From aac657a90afe72d3e4ff1e7dbbcdbd236e0ba586 Mon Sep 17 00:00:00 2001 From: Waldemar Brodkorb Date: Wed, 28 May 2014 10:18:33 +0200 Subject: update to rc7 --- mk/kernel-ver.mk | 8 +- target/arm/cubox-i/patches/3.15-rc6/rmk.patch | 12452 -------------- .../patches/3.15-rc6/sdma-firmware-cubox-i.patch | 131 - target/arm/cubox-i/patches/3.15-rc7/rmk.patch | 12452 ++++++++++++++ .../patches/3.15-rc7/sdma-firmware-cubox-i.patch | 131 + target/config/Config.in.kernelversion.choice | 4 +- target/config/Config.in.kernelversion.default | 2 +- .../linux/patches/3.15-rc6/bsd-compatibility.patch | 2538 --- target/linux/patches/3.15-rc6/cleankernel.patch | 11 - target/linux/patches/3.15-rc6/defaults.patch | 46 - .../linux/patches/3.15-rc6/disable-netfilter.patch | 160 - .../patches/3.15-rc6/export-symbol-for-exmap.patch | 11 - target/linux/patches/3.15-rc6/gemalto.patch | 11 - .../patches/3.15-rc6/initramfs-nosizelimit.patch | 57 - target/linux/patches/3.15-rc6/lemote-rfkill.patch | 21 - target/linux/patches/3.15-rc6/microblaze-axi.patch | 11 - .../patches/3.15-rc6/microblaze-ethernet.patch | 11 - target/linux/patches/3.15-rc6/mkpiggy.patch | 28 - target/linux/patches/3.15-rc6/mtd-rootfs.patch | 26 - target/linux/patches/3.15-rc6/nfsv3-tcp.patch | 12 - target/linux/patches/3.15-rc6/non-static.patch | 33 - .../patches/3.15-rc6/ppc64-missing-zlib.patch | 11 - target/linux/patches/3.15-rc6/relocs.patch | 2709 --- target/linux/patches/3.15-rc6/sgidefs.patch | 18 - target/linux/patches/3.15-rc6/sortext.patch | 33 - target/linux/patches/3.15-rc6/startup.patch | 37 - target/linux/patches/3.15-rc6/uuid.patch | 263 - target/linux/patches/3.15-rc6/wlan-cf.patch | 11 - target/linux/patches/3.15-rc6/xargs.patch | 12 - target/linux/patches/3.15-rc6/yaffs2.patch | 16551 ------------------- target/linux/patches/3.15-rc6/zlib-inflate.patch | 12 - .../linux/patches/3.15-rc7/bsd-compatibility.patch | 2538 +++ target/linux/patches/3.15-rc7/cleankernel.patch | 11 + target/linux/patches/3.15-rc7/defaults.patch | 46 + .../linux/patches/3.15-rc7/disable-netfilter.patch | 160 + .../patches/3.15-rc7/export-symbol-for-exmap.patch | 11 + target/linux/patches/3.15-rc7/gemalto.patch | 11 + .../patches/3.15-rc7/initramfs-nosizelimit.patch | 57 + target/linux/patches/3.15-rc7/lemote-rfkill.patch | 21 + target/linux/patches/3.15-rc7/microblaze-axi.patch | 11 + .../patches/3.15-rc7/microblaze-ethernet.patch | 11 + target/linux/patches/3.15-rc7/mkpiggy.patch | 28 + target/linux/patches/3.15-rc7/mtd-rootfs.patch | 26 + target/linux/patches/3.15-rc7/nfsv3-tcp.patch | 12 + target/linux/patches/3.15-rc7/non-static.patch | 33 + .../patches/3.15-rc7/ppc64-missing-zlib.patch | 11 + target/linux/patches/3.15-rc7/relocs.patch | 2709 +++ target/linux/patches/3.15-rc7/sgidefs.patch | 18 + target/linux/patches/3.15-rc7/sortext.patch | 33 + target/linux/patches/3.15-rc7/startup.patch | 37 + target/linux/patches/3.15-rc7/uuid.patch | 263 + target/linux/patches/3.15-rc7/wlan-cf.patch | 11 + target/linux/patches/3.15-rc7/xargs.patch | 12 + target/linux/patches/3.15-rc7/yaffs2.patch | 16551 +++++++++++++++++++ target/linux/patches/3.15-rc7/zlib-inflate.patch | 12 + .../patches/3.15-rc6/rb532-pci.patch | 11 - .../patches/3.15-rc6/rb532-serial.patch | 15 - .../patches/3.15-rc7/rb532-pci.patch | 11 + .../patches/3.15-rc7/rb532-serial.patch | 15 + 59 files changed, 35249 insertions(+), 35249 deletions(-) delete mode 100644 target/arm/cubox-i/patches/3.15-rc6/rmk.patch delete mode 100644 target/arm/cubox-i/patches/3.15-rc6/sdma-firmware-cubox-i.patch create mode 100644 target/arm/cubox-i/patches/3.15-rc7/rmk.patch create mode 100644 target/arm/cubox-i/patches/3.15-rc7/sdma-firmware-cubox-i.patch delete mode 100644 target/linux/patches/3.15-rc6/bsd-compatibility.patch delete mode 100644 target/linux/patches/3.15-rc6/cleankernel.patch delete mode 100644 target/linux/patches/3.15-rc6/defaults.patch delete mode 100644 target/linux/patches/3.15-rc6/disable-netfilter.patch delete mode 100644 target/linux/patches/3.15-rc6/export-symbol-for-exmap.patch delete mode 100644 target/linux/patches/3.15-rc6/gemalto.patch delete mode 100644 target/linux/patches/3.15-rc6/initramfs-nosizelimit.patch delete mode 100644 target/linux/patches/3.15-rc6/lemote-rfkill.patch delete mode 100644 target/linux/patches/3.15-rc6/microblaze-axi.patch delete mode 100644 target/linux/patches/3.15-rc6/microblaze-ethernet.patch delete mode 100644 target/linux/patches/3.15-rc6/mkpiggy.patch delete mode 100644 target/linux/patches/3.15-rc6/mtd-rootfs.patch delete mode 100644 target/linux/patches/3.15-rc6/nfsv3-tcp.patch delete mode 100644 target/linux/patches/3.15-rc6/non-static.patch delete mode 100644 target/linux/patches/3.15-rc6/ppc64-missing-zlib.patch delete mode 100644 target/linux/patches/3.15-rc6/relocs.patch delete mode 100644 target/linux/patches/3.15-rc6/sgidefs.patch delete mode 100644 target/linux/patches/3.15-rc6/sortext.patch delete mode 100644 target/linux/patches/3.15-rc6/startup.patch delete mode 100644 target/linux/patches/3.15-rc6/uuid.patch delete mode 100644 target/linux/patches/3.15-rc6/wlan-cf.patch delete mode 100644 target/linux/patches/3.15-rc6/xargs.patch delete mode 100644 target/linux/patches/3.15-rc6/yaffs2.patch delete mode 100644 target/linux/patches/3.15-rc6/zlib-inflate.patch create mode 100644 target/linux/patches/3.15-rc7/bsd-compatibility.patch create mode 100644 target/linux/patches/3.15-rc7/cleankernel.patch create mode 100644 target/linux/patches/3.15-rc7/defaults.patch create mode 100644 target/linux/patches/3.15-rc7/disable-netfilter.patch create mode 100644 target/linux/patches/3.15-rc7/export-symbol-for-exmap.patch create mode 100644 target/linux/patches/3.15-rc7/gemalto.patch create mode 100644 target/linux/patches/3.15-rc7/initramfs-nosizelimit.patch create mode 100644 target/linux/patches/3.15-rc7/lemote-rfkill.patch create mode 100644 target/linux/patches/3.15-rc7/microblaze-axi.patch create mode 100644 target/linux/patches/3.15-rc7/microblaze-ethernet.patch create mode 100644 target/linux/patches/3.15-rc7/mkpiggy.patch create mode 100644 target/linux/patches/3.15-rc7/mtd-rootfs.patch create mode 100644 target/linux/patches/3.15-rc7/nfsv3-tcp.patch create mode 100644 target/linux/patches/3.15-rc7/non-static.patch create mode 100644 target/linux/patches/3.15-rc7/ppc64-missing-zlib.patch create mode 100644 target/linux/patches/3.15-rc7/relocs.patch create mode 100644 target/linux/patches/3.15-rc7/sgidefs.patch create mode 100644 target/linux/patches/3.15-rc7/sortext.patch create mode 100644 target/linux/patches/3.15-rc7/startup.patch create mode 100644 target/linux/patches/3.15-rc7/uuid.patch create mode 100644 target/linux/patches/3.15-rc7/wlan-cf.patch create mode 100644 target/linux/patches/3.15-rc7/xargs.patch create mode 100644 target/linux/patches/3.15-rc7/yaffs2.patch create mode 100644 target/linux/patches/3.15-rc7/zlib-inflate.patch delete mode 100644 target/mips/mikrotik-rb532/patches/3.15-rc6/rb532-pci.patch delete mode 100644 target/mips/mikrotik-rb532/patches/3.15-rc6/rb532-serial.patch create mode 100644 target/mips/mikrotik-rb532/patches/3.15-rc7/rb532-pci.patch create mode 100644 target/mips/mikrotik-rb532/patches/3.15-rc7/rb532-serial.patch diff --git a/mk/kernel-ver.mk b/mk/kernel-ver.mk index 8ed3e417c..a56e00672 100644 --- a/mk/kernel-ver.mk +++ b/mk/kernel-ver.mk @@ -1,8 +1,8 @@ -ifeq ($(ADK_KERNEL_VERSION_3_15_RC6),y) -KERNEL_VERSION:= 3.15-rc6 -KERNEL_MOD_VERSION:= 3.15.0-rc6 +ifeq ($(ADK_KERNEL_VERSION_3_15_RC7),y) +KERNEL_VERSION:= 3.15-rc7 +KERNEL_MOD_VERSION:= 3.15.0-rc7 KERNEL_RELEASE:= 1 -KERNEL_MD5SUM:= 2f6ee0845fa66391696db2be6cd69cf9 +KERNEL_MD5SUM:= a56d456b69b2e984aea0329bed0bda4d endif ifeq ($(ADK_KERNEL_VERSION_3_14_4),y) KERNEL_VERSION:= 3.14.4 diff --git a/target/arm/cubox-i/patches/3.15-rc6/rmk.patch b/target/arm/cubox-i/patches/3.15-rc6/rmk.patch deleted file mode 100644 index 83afb1a78..000000000 --- a/target/arm/cubox-i/patches/3.15-rc6/rmk.patch +++ /dev/null @@ -1,12452 +0,0 @@ -diff -Nur linux-3.15-rc6.orig/arch/arm/boot/dts/imx6dl-hummingboard.dts linux-3.15-rc6/arch/arm/boot/dts/imx6dl-hummingboard.dts ---- linux-3.15-rc6.orig/arch/arm/boot/dts/imx6dl-hummingboard.dts 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/arch/arm/boot/dts/imx6dl-hummingboard.dts 2014-05-23 11:26:48.244939835 +0200 -@@ -67,6 +67,14 @@ - status = "okay"; - }; - -+&hdmi { -+ pinctrl-names = "default"; -+ pinctrl-0 = <&pinctrl_hummingboard_hdmi>; -+ ddc-i2c-bus = <&i2c2>; -+ status = "okay"; -+ crtcs = <&ipu1 0>; -+}; -+ - &i2c1 { - pinctrl-names = "default"; - pinctrl-0 = <&pinctrl_hummingboard_i2c1>; -@@ -82,6 +90,13 @@ - */ - }; - -+&i2c2 { -+ clock-frequency = <100000>; -+ pinctrl-names = "default"; -+ pinctrl-0 = <&pinctrl_hummingboard_i2c2>; -+ status = "okay"; -+}; -+ - &iomuxc { - hummingboard { - pinctrl_hummingboard_flexcan1: hummingboard-flexcan1 { -@@ -97,6 +112,12 @@ - >; - }; - -+ pinctrl_hummingboard_hdmi: hummingboard-hdmi { -+ fsl,pins = < -+ MX6QDL_PAD_KEY_ROW2__HDMI_TX_CEC_LINE 0x1f8b0 -+ >; -+ }; -+ - pinctrl_hummingboard_i2c1: hummingboard-i2c1 { - fsl,pins = < - MX6QDL_PAD_EIM_D21__I2C1_SCL 0x4001b8b1 -@@ -104,6 +125,13 @@ - >; - }; - -+ pinctrl_hummingboard_i2c2: hummingboard-i2c2 { -+ fsl,pins = < -+ MX6QDL_PAD_KEY_COL3__I2C2_SCL 0x4001b8b1 -+ MX6QDL_PAD_KEY_ROW3__I2C2_SDA 0x4001b8b1 -+ >; -+ }; -+ - pinctrl_hummingboard_spdif: hummingboard-spdif { - fsl,pins = ; - }; -diff -Nur linux-3.15-rc6.orig/arch/arm/boot/dts/imx6q-cubox-i.dts linux-3.15-rc6/arch/arm/boot/dts/imx6q-cubox-i.dts ---- linux-3.15-rc6.orig/arch/arm/boot/dts/imx6q-cubox-i.dts 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/arch/arm/boot/dts/imx6q-cubox-i.dts 2014-05-23 11:26:48.244939835 +0200 -@@ -13,4 +13,8 @@ - - &sata { - status = "okay"; -+ fsl,transmit-level-mV = <1104>; -+ fsl,transmit-boost-mdB = <0>; -+ fsl,transmit-atten-16ths = <9>; -+ fsl,no-spread-spectrum; - }; -diff -Nur linux-3.15-rc6.orig/arch/arm/boot/dts/imx6qdl-cubox-i.dtsi linux-3.15-rc6/arch/arm/boot/dts/imx6qdl-cubox-i.dtsi ---- linux-3.15-rc6.orig/arch/arm/boot/dts/imx6qdl-cubox-i.dtsi 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/arch/arm/boot/dts/imx6qdl-cubox-i.dtsi 2014-05-23 11:26:48.244939835 +0200 -@@ -12,6 +12,19 @@ - pinctrl-0 = <&pinctrl_cubox_i_ir>; - }; - -+ pwmleds { -+ compatible = "pwm-leds"; -+ pinctrl-names = "default"; -+ pinctrl-0 = <&pinctrl_cubox_i_pwm1>; -+ -+ front { -+ active-low; -+ label = "imx6:red:front"; -+ max-brightness = <248>; -+ pwms = <&pwm1 0 50000>; -+ }; -+ }; -+ - regulators { - compatible = "simple-bus"; - -@@ -55,6 +68,21 @@ - }; - }; - -+&hdmi { -+ pinctrl-names = "default"; -+ pinctrl-0 = <&pinctrl_cubox_i_hdmi>; -+ ddc-i2c-bus = <&i2c2>; -+ status = "okay"; -+ crtcs = <&ipu1 0>; -+}; -+ -+&i2c2 { -+ clock-frequency = <100000>; -+ pinctrl-names = "default"; -+ pinctrl-0 = <&pinctrl_cubox_i_i2c2>; -+ status = "okay"; -+}; -+ - &i2c3 { - pinctrl-names = "default"; - pinctrl-0 = <&pinctrl_cubox_i_i2c3>; -@@ -69,6 +97,19 @@ - - &iomuxc { - cubox_i { -+ pinctrl_cubox_i_hdmi: cubox-i-hdmi { -+ fsl,pins = < -+ MX6QDL_PAD_KEY_ROW2__HDMI_TX_CEC_LINE 0x1f8b0 -+ >; -+ }; -+ -+ pinctrl_cubox_i_i2c2: cubox-i-i2c2 { -+ fsl,pins = < -+ MX6QDL_PAD_KEY_COL3__I2C2_SCL 0x4001b8b1 -+ MX6QDL_PAD_KEY_ROW3__I2C2_SDA 0x4001b8b1 -+ >; -+ }; -+ - pinctrl_cubox_i_i2c3: cubox-i-i2c3 { - fsl,pins = < - MX6QDL_PAD_EIM_D17__I2C3_SCL 0x4001b8b1 -@@ -82,6 +123,10 @@ - >; - }; - -+ pinctrl_cubox_i_pwm1: cubox-i-pwm1-front-led { -+ fsl,pins = ; -+ }; -+ - pinctrl_cubox_i_spdif: cubox-i-spdif { - fsl,pins = ; - }; -@@ -111,6 +156,28 @@ - MX6QDL_PAD_SD2_DAT3__SD2_DATA3 0x13059 - >; - }; -+ -+ pinctrl_cubox_i_usdhc2_100mhz: cubox-i-usdhc2-100mhz { -+ fsl,pins = < -+ MX6QDL_PAD_SD2_CMD__SD2_CMD 0x170b9 -+ MX6QDL_PAD_SD2_CLK__SD2_CLK 0x100b9 -+ MX6QDL_PAD_SD2_DAT0__SD2_DATA0 0x170b9 -+ MX6QDL_PAD_SD2_DAT1__SD2_DATA1 0x170b9 -+ MX6QDL_PAD_SD2_DAT2__SD2_DATA2 0x170b9 -+ MX6QDL_PAD_SD2_DAT3__SD2_DATA3 0x130b9 -+ >; -+ }; -+ -+ pinctrl_cubox_i_usdhc2_200mhz: cubox-i-usdhc2-200mhz { -+ fsl,pins = < -+ MX6QDL_PAD_SD2_CMD__SD2_CMD 0x170f9 -+ MX6QDL_PAD_SD2_CLK__SD2_CLK 0x100f9 -+ MX6QDL_PAD_SD2_DAT0__SD2_DATA0 0x170f9 -+ MX6QDL_PAD_SD2_DAT1__SD2_DATA1 0x170f9 -+ MX6QDL_PAD_SD2_DAT2__SD2_DATA2 0x170f9 -+ MX6QDL_PAD_SD2_DAT3__SD2_DATA3 0x130f9 -+ >; -+ }; - }; - }; - -@@ -130,9 +197,19 @@ - status = "okay"; - }; - -+&uart4 { -+ status = "okay"; -+}; -+ -+&usdhc1 { -+ status = "okay"; -+}; -+ - &usdhc2 { -- pinctrl-names = "default"; -+ pinctrl-names = "default", "state_100mhz", "state_200mhz"; - pinctrl-0 = <&pinctrl_cubox_i_usdhc2_aux &pinctrl_cubox_i_usdhc2>; -+ pinctrl-1 = <&pinctrl_cubox_i_usdhc2_aux &pinctrl_cubox_i_usdhc2_100mhz>; -+ pinctrl-2 = <&pinctrl_cubox_i_usdhc2_aux &pinctrl_cubox_i_usdhc2_200mhz>; - vmmc-supply = <®_3p3v>; - cd-gpios = <&gpio1 4 0>; - status = "okay"; -diff -Nur linux-3.15-rc6.orig/arch/arm/boot/dts/imx6qdl.dtsi linux-3.15-rc6/arch/arm/boot/dts/imx6qdl.dtsi ---- linux-3.15-rc6.orig/arch/arm/boot/dts/imx6qdl.dtsi 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/arch/arm/boot/dts/imx6qdl.dtsi 2014-05-23 11:26:48.244939835 +0200 -@@ -128,6 +128,8 @@ - cache-level = <2>; - arm,tag-latency = <4 2 3>; - arm,data-latency = <4 2 3>; -+ arm,dynamic-clk-gating; -+ arm,standby-mode; - }; - - pcie: pcie@0x01000000 { -diff -Nur linux-3.15-rc6.orig/arch/arm/boot/dts/imx6qdl-microsom.dtsi linux-3.15-rc6/arch/arm/boot/dts/imx6qdl-microsom.dtsi ---- linux-3.15-rc6.orig/arch/arm/boot/dts/imx6qdl-microsom.dtsi 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/arch/arm/boot/dts/imx6qdl-microsom.dtsi 2014-05-23 11:26:48.244939835 +0200 -@@ -1,9 +1,69 @@ - /* - * Copyright (C) 2013,2014 Russell King - */ -+#include -+/ { -+ regulators { -+ compatible = "simple-bus"; -+ -+ reg_brcm_osc: brcm-osc-reg { -+ compatible = "regulator-fixed"; -+ enable-active-high; -+ gpio = <&gpio5 5 0>; -+ pinctrl-names = "default"; -+ pinctrl-0 = <&pinctrl_microsom_brcm_osc_reg>; -+ regulator-name = "brcm_osc_reg"; -+ regulator-min-microvolt = <3300000>; -+ regulator-max-microvolt = <3300000>; -+ regulator-always-on; -+ regulator-boot-on; -+ }; -+ -+ reg_brcm: brcm-reg { -+ compatible = "regulator-fixed"; -+ enable-active-high; -+ gpio = <&gpio3 19 0>; -+ pinctrl-names = "default"; -+ pinctrl-0 = <&pinctrl_microsom_brcm_reg>; -+ regulator-name = "brcm_reg"; -+ regulator-min-microvolt = <3300000>; -+ regulator-max-microvolt = <3300000>; -+ startup-delay-us = <200000>; -+ }; -+ }; -+}; - - &iomuxc { - microsom { -+ pinctrl_microsom_brcm_osc_reg: microsom-brcm-osc-reg { -+ fsl,pins = < -+ MX6QDL_PAD_DISP0_DAT11__GPIO5_IO05 0x40013070 -+ >; -+ }; -+ -+ pinctrl_microsom_brcm_reg: microsom-brcm-reg { -+ fsl,pins = < -+ MX6QDL_PAD_EIM_D19__GPIO3_IO19 0x40013070 -+ >; -+ }; -+ -+ pinctrl_microsom_brcm_wifi: microsom-brcm-wifi { -+ fsl,pins = < -+ MX6QDL_PAD_GPIO_8__XTALOSC_REF_CLK_32K 0x1b0b0 -+ MX6QDL_PAD_CSI0_DATA_EN__GPIO5_IO20 0x40013070 -+ MX6QDL_PAD_CSI0_DAT8__GPIO5_IO26 0x40013070 -+ MX6QDL_PAD_CSI0_DAT9__GPIO5_IO27 0x40013070 -+ >; -+ }; -+ -+ pinctrl_microsom_brcm_bt: microsom-brcm-bt { -+ fsl,pins = < -+ MX6QDL_PAD_CSI0_DAT14__GPIO6_IO00 0x40013070 -+ MX6QDL_PAD_CSI0_DAT15__GPIO6_IO01 0x40013070 -+ MX6QDL_PAD_CSI0_DAT18__GPIO6_IO04 0x40013070 -+ >; -+ }; -+ - pinctrl_microsom_uart1: microsom-uart1 { - fsl,pins = < - MX6QDL_PAD_CSI0_DAT10__UART1_TX_DATA 0x1b0b1 -@@ -11,6 +71,15 @@ - >; - }; - -+ pinctrl_microsom_uart4_1: microsom-uart4 { -+ fsl,pins = < -+ MX6QDL_PAD_CSI0_DAT12__UART4_TX_DATA 0x1b0b1 -+ MX6QDL_PAD_CSI0_DAT13__UART4_RX_DATA 0x1b0b1 -+ MX6QDL_PAD_CSI0_DAT16__UART4_RTS_B 0x1b0b1 -+ MX6QDL_PAD_CSI0_DAT17__UART4_CTS_B 0x1b0b1 -+ >; -+ }; -+ - pinctrl_microsom_usbotg: microsom-usbotg { - /* - * Similar to pinctrl_usbotg_2, but we want it -@@ -18,6 +87,17 @@ - */ - fsl,pins = ; - }; -+ -+ pinctrl_microsom_usdhc1: microsom-usdhc1 { -+ fsl,pins = < -+ MX6QDL_PAD_SD1_CMD__SD1_CMD 0x17059 -+ MX6QDL_PAD_SD1_CLK__SD1_CLK 0x10059 -+ MX6QDL_PAD_SD1_DAT0__SD1_DATA0 0x17059 -+ MX6QDL_PAD_SD1_DAT1__SD1_DATA1 0x17059 -+ MX6QDL_PAD_SD1_DAT2__SD1_DATA2 0x17059 -+ MX6QDL_PAD_SD1_DAT3__SD1_DATA3 0x17059 -+ >; -+ }; - }; - }; - -@@ -27,7 +107,25 @@ - status = "okay"; - }; - -+/* UART4 - Connected to optional BRCM Wifi/BT/FM */ -+&uart4 { -+ pinctrl-names = "default"; -+ pinctrl-0 = <&pinctrl_microsom_brcm_bt &pinctrl_microsom_uart4_1>; -+ fsl,uart-has-rtscts; -+}; -+ - &usbotg { - pinctrl-names = "default"; - pinctrl-0 = <&pinctrl_microsom_usbotg>; - }; -+ -+/* USDHC1 - Connected to optional BRCM Wifi/BT/FM */ -+&usdhc1 { -+ card-external-vcc-supply = <®_brcm>; -+ card-reset-gpios = <&gpio5 26 GPIO_ACTIVE_LOW>, <&gpio6 0 GPIO_ACTIVE_LOW>; -+ keep-power-in-suspend; -+ non-removable; -+ pinctrl-names = "default"; -+ pinctrl-0 = <&pinctrl_microsom_brcm_wifi &pinctrl_microsom_usdhc1>; -+ vmmc-supply = <®_brcm>; -+}; -diff -Nur linux-3.15-rc6.orig/arch/arm/boot/dts/imx6sl.dtsi linux-3.15-rc6/arch/arm/boot/dts/imx6sl.dtsi ---- linux-3.15-rc6.orig/arch/arm/boot/dts/imx6sl.dtsi 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/arch/arm/boot/dts/imx6sl.dtsi 2014-05-23 11:26:48.244939835 +0200 -@@ -111,6 +111,8 @@ - cache-level = <2>; - arm,tag-latency = <4 2 3>; - arm,data-latency = <4 2 3>; -+ arm,dynamic-clk-gating; -+ arm,standby-mode; - }; - - pmu { -diff -Nur linux-3.15-rc6.orig/arch/arm/boot/dts/marco.dtsi linux-3.15-rc6/arch/arm/boot/dts/marco.dtsi ---- linux-3.15-rc6.orig/arch/arm/boot/dts/marco.dtsi 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/arch/arm/boot/dts/marco.dtsi 2014-05-23 11:26:48.244939835 +0200 -@@ -36,7 +36,7 @@ - ranges = <0x40000000 0x40000000 0xa0000000>; - - l2-cache-controller@c0030000 { -- compatible = "sirf,marco-pl310-cache", "arm,pl310-cache"; -+ compatible = "arm,pl310-cache"; - reg = <0xc0030000 0x1000>; - interrupts = <0 59 0>; - arm,tag-latency = <1 1 1>; -diff -Nur linux-3.15-rc6.orig/arch/arm/boot/dts/prima2.dtsi linux-3.15-rc6/arch/arm/boot/dts/prima2.dtsi ---- linux-3.15-rc6.orig/arch/arm/boot/dts/prima2.dtsi 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/arch/arm/boot/dts/prima2.dtsi 2014-05-23 11:26:48.244939835 +0200 -@@ -48,7 +48,7 @@ - ranges = <0x40000000 0x40000000 0x80000000>; - - l2-cache-controller@80040000 { -- compatible = "arm,pl310-cache", "sirf,prima2-pl310-cache"; -+ compatible = "arm,pl310-cache"; - reg = <0x80040000 0x1000>; - interrupts = <59>; - arm,tag-latency = <1 1 1>; -diff -Nur linux-3.15-rc6.orig/arch/arm/configs/imx_v6_v7_defconfig linux-3.15-rc6/arch/arm/configs/imx_v6_v7_defconfig ---- linux-3.15-rc6.orig/arch/arm/configs/imx_v6_v7_defconfig 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/arch/arm/configs/imx_v6_v7_defconfig 2014-05-23 11:26:48.248939848 +0200 -@@ -245,6 +245,7 @@ - CONFIG_DRM_IMX_LDB=y - CONFIG_DRM_IMX_IPUV3_CORE=y - CONFIG_DRM_IMX_IPUV3=y -+CONFIG_DRM_IMX_HDMI=y - CONFIG_COMMON_CLK_DEBUG=y - # CONFIG_IOMMU_SUPPORT is not set - CONFIG_PWM=y -diff -Nur linux-3.15-rc6.orig/arch/arm/include/asm/hardware/cache-l2x0.h linux-3.15-rc6/arch/arm/include/asm/hardware/cache-l2x0.h ---- linux-3.15-rc6.orig/arch/arm/include/asm/hardware/cache-l2x0.h 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/arch/arm/include/asm/hardware/cache-l2x0.h 2014-05-23 11:26:48.248939848 +0200 -@@ -26,8 +26,8 @@ - #define L2X0_CACHE_TYPE 0x004 - #define L2X0_CTRL 0x100 - #define L2X0_AUX_CTRL 0x104 --#define L2X0_TAG_LATENCY_CTRL 0x108 --#define L2X0_DATA_LATENCY_CTRL 0x10C -+#define L310_TAG_LATENCY_CTRL 0x108 -+#define L310_DATA_LATENCY_CTRL 0x10C - #define L2X0_EVENT_CNT_CTRL 0x200 - #define L2X0_EVENT_CNT1_CFG 0x204 - #define L2X0_EVENT_CNT0_CFG 0x208 -@@ -54,53 +54,93 @@ - #define L2X0_LOCKDOWN_WAY_D_BASE 0x900 - #define L2X0_LOCKDOWN_WAY_I_BASE 0x904 - #define L2X0_LOCKDOWN_STRIDE 0x08 --#define L2X0_ADDR_FILTER_START 0xC00 --#define L2X0_ADDR_FILTER_END 0xC04 -+#define L310_ADDR_FILTER_START 0xC00 -+#define L310_ADDR_FILTER_END 0xC04 - #define L2X0_TEST_OPERATION 0xF00 - #define L2X0_LINE_DATA 0xF10 - #define L2X0_LINE_TAG 0xF30 - #define L2X0_DEBUG_CTRL 0xF40 --#define L2X0_PREFETCH_CTRL 0xF60 --#define L2X0_POWER_CTRL 0xF80 --#define L2X0_DYNAMIC_CLK_GATING_EN (1 << 1) --#define L2X0_STNDBY_MODE_EN (1 << 0) -+#define L310_PREFETCH_CTRL 0xF60 -+#define L310_POWER_CTRL 0xF80 -+#define L310_DYNAMIC_CLK_GATING_EN (1 << 1) -+#define L310_STNDBY_MODE_EN (1 << 0) - - /* Registers shifts and masks */ - #define L2X0_CACHE_ID_PART_MASK (0xf << 6) - #define L2X0_CACHE_ID_PART_L210 (1 << 6) -+#define L2X0_CACHE_ID_PART_L220 (2 << 6) - #define L2X0_CACHE_ID_PART_L310 (3 << 6) - #define L2X0_CACHE_ID_RTL_MASK 0x3f --#define L2X0_CACHE_ID_RTL_R0P0 0x0 --#define L2X0_CACHE_ID_RTL_R1P0 0x2 --#define L2X0_CACHE_ID_RTL_R2P0 0x4 --#define L2X0_CACHE_ID_RTL_R3P0 0x5 --#define L2X0_CACHE_ID_RTL_R3P1 0x6 --#define L2X0_CACHE_ID_RTL_R3P2 0x8 -- --#define L2X0_AUX_CTRL_MASK 0xc0000fff -+#define L210_CACHE_ID_RTL_R0P2_02 0x00 -+#define L210_CACHE_ID_RTL_R0P1 0x01 -+#define L210_CACHE_ID_RTL_R0P2_01 0x02 -+#define L210_CACHE_ID_RTL_R0P3 0x03 -+#define L210_CACHE_ID_RTL_R0P4 0x0b -+#define L210_CACHE_ID_RTL_R0P5 0x0f -+#define L220_CACHE_ID_RTL_R1P7_01REL0 0x06 -+#define L310_CACHE_ID_RTL_R0P0 0x00 -+#define L310_CACHE_ID_RTL_R1P0 0x02 -+#define L310_CACHE_ID_RTL_R2P0 0x04 -+#define L310_CACHE_ID_RTL_R3P0 0x05 -+#define L310_CACHE_ID_RTL_R3P1 0x06 -+#define L310_CACHE_ID_RTL_R3P1_50REL0 0x07 -+#define L310_CACHE_ID_RTL_R3P2 0x08 -+#define L310_CACHE_ID_RTL_R3P3 0x09 -+ -+/* L2C auxiliary control register - bits common to L2C-210/220/310 */ -+#define L2C_AUX_CTRL_WAY_SIZE_SHIFT 17 -+#define L2C_AUX_CTRL_WAY_SIZE_MASK (7 << 17) -+#define L2C_AUX_CTRL_WAY_SIZE(n) ((n) << 17) -+#define L2C_AUX_CTRL_EVTMON_ENABLE BIT(20) -+#define L2C_AUX_CTRL_PARITY_ENABLE BIT(21) -+#define L2C_AUX_CTRL_SHARED_OVERRIDE BIT(22) -+/* L2C-210/220 common bits */ - #define L2X0_AUX_CTRL_DATA_RD_LATENCY_SHIFT 0 --#define L2X0_AUX_CTRL_DATA_RD_LATENCY_MASK 0x7 -+#define L2X0_AUX_CTRL_DATA_RD_LATENCY_MASK (7 << 0) - #define L2X0_AUX_CTRL_DATA_WR_LATENCY_SHIFT 3 --#define L2X0_AUX_CTRL_DATA_WR_LATENCY_MASK (0x7 << 3) -+#define L2X0_AUX_CTRL_DATA_WR_LATENCY_MASK (7 << 3) - #define L2X0_AUX_CTRL_TAG_LATENCY_SHIFT 6 --#define L2X0_AUX_CTRL_TAG_LATENCY_MASK (0x7 << 6) -+#define L2X0_AUX_CTRL_TAG_LATENCY_MASK (7 << 6) - #define L2X0_AUX_CTRL_DIRTY_LATENCY_SHIFT 9 --#define L2X0_AUX_CTRL_DIRTY_LATENCY_MASK (0x7 << 9) --#define L2X0_AUX_CTRL_ASSOCIATIVITY_SHIFT 16 --#define L2X0_AUX_CTRL_WAY_SIZE_SHIFT 17 --#define L2X0_AUX_CTRL_WAY_SIZE_MASK (0x7 << 17) --#define L2X0_AUX_CTRL_SHARE_OVERRIDE_SHIFT 22 --#define L2X0_AUX_CTRL_NS_LOCKDOWN_SHIFT 26 --#define L2X0_AUX_CTRL_NS_INT_CTRL_SHIFT 27 --#define L2X0_AUX_CTRL_DATA_PREFETCH_SHIFT 28 --#define L2X0_AUX_CTRL_INSTR_PREFETCH_SHIFT 29 --#define L2X0_AUX_CTRL_EARLY_BRESP_SHIFT 30 -- --#define L2X0_LATENCY_CTRL_SETUP_SHIFT 0 --#define L2X0_LATENCY_CTRL_RD_SHIFT 4 --#define L2X0_LATENCY_CTRL_WR_SHIFT 8 -- --#define L2X0_ADDR_FILTER_EN 1 -+#define L2X0_AUX_CTRL_DIRTY_LATENCY_MASK (7 << 9) -+#define L2X0_AUX_CTRL_ASSOC_SHIFT 13 -+#define L2X0_AUX_CTRL_ASSOC_MASK (15 << 13) -+/* L2C-210 specific bits */ -+#define L210_AUX_CTRL_WRAP_DISABLE BIT(12) -+#define L210_AUX_CTRL_WA_OVERRIDE BIT(23) -+#define L210_AUX_CTRL_EXCLUSIVE_ABORT BIT(24) -+/* L2C-220 specific bits */ -+#define L220_AUX_CTRL_EXCLUSIVE_CACHE BIT(12) -+#define L220_AUX_CTRL_FWA_SHIFT 23 -+#define L220_AUX_CTRL_FWA_MASK (3 << 23) -+#define L220_AUX_CTRL_NS_LOCKDOWN BIT(26) -+#define L220_AUX_CTRL_NS_INT_CTRL BIT(27) -+/* L2C-310 specific bits */ -+#define L310_AUX_CTRL_FULL_LINE_ZERO BIT(0) /* R2P0+ */ -+#define L310_AUX_CTRL_HIGHPRIO_SO_DEV BIT(10) /* R2P0+ */ -+#define L310_AUX_CTRL_STORE_LIMITATION BIT(11) /* R2P0+ */ -+#define L310_AUX_CTRL_EXCLUSIVE_CACHE BIT(12) -+#define L310_AUX_CTRL_ASSOCIATIVITY_16 BIT(16) -+#define L310_AUX_CTRL_CACHE_REPLACE_RR BIT(25) /* R2P0+ */ -+#define L310_AUX_CTRL_NS_LOCKDOWN BIT(26) -+#define L310_AUX_CTRL_NS_INT_CTRL BIT(27) -+#define L310_AUX_CTRL_DATA_PREFETCH BIT(28) -+#define L310_AUX_CTRL_INSTR_PREFETCH BIT(29) -+#define L310_AUX_CTRL_EARLY_BRESP BIT(30) /* R2P0+ */ -+ -+#define L310_LATENCY_CTRL_SETUP(n) ((n) << 0) -+#define L310_LATENCY_CTRL_RD(n) ((n) << 4) -+#define L310_LATENCY_CTRL_WR(n) ((n) << 8) -+ -+#define L310_ADDR_FILTER_EN 1 -+ -+#define L310_PREFETCH_CTRL_OFFSET_MASK 0x1f -+#define L310_PREFETCH_CTRL_DBL_LINEFILL_INCR BIT(23) -+#define L310_PREFETCH_CTRL_PREFETCH_DROP BIT(24) -+#define L310_PREFETCH_CTRL_DBL_LINEFILL_WRAP BIT(27) -+#define L310_PREFETCH_CTRL_DATA_PREFETCH BIT(28) -+#define L310_PREFETCH_CTRL_INSTR_PREFETCH BIT(29) -+#define L310_PREFETCH_CTRL_DBL_LINEFILL BIT(30) - - #define L2X0_CTRL_EN 1 - -diff -Nur linux-3.15-rc6.orig/arch/arm/include/asm/outercache.h linux-3.15-rc6/arch/arm/include/asm/outercache.h ---- linux-3.15-rc6.orig/arch/arm/include/asm/outercache.h 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/arch/arm/include/asm/outercache.h 2014-05-23 11:26:48.248939848 +0200 -@@ -21,6 +21,7 @@ - #ifndef __ASM_OUTERCACHE_H - #define __ASM_OUTERCACHE_H - -+#include - #include - - struct outer_cache_fns { -@@ -28,53 +29,84 @@ - void (*clean_range)(unsigned long, unsigned long); - void (*flush_range)(unsigned long, unsigned long); - void (*flush_all)(void); -- void (*inv_all)(void); - void (*disable)(void); - #ifdef CONFIG_OUTER_CACHE_SYNC - void (*sync)(void); - #endif -- void (*set_debug)(unsigned long); - void (*resume)(void); -+ -+ /* This is an ARM L2C thing */ -+ void (*write_sec)(unsigned long, unsigned); - }; - - extern struct outer_cache_fns outer_cache; - - #ifdef CONFIG_OUTER_CACHE -- -+/** -+ * outer_inv_range - invalidate range of outer cache lines -+ * @start: starting physical address, inclusive -+ * @end: end physical address, exclusive -+ */ - static inline void outer_inv_range(phys_addr_t start, phys_addr_t end) - { - if (outer_cache.inv_range) - outer_cache.inv_range(start, end); - } -+ -+/** -+ * outer_clean_range - clean dirty outer cache lines -+ * @start: starting physical address, inclusive -+ * @end: end physical address, exclusive -+ */ - static inline void outer_clean_range(phys_addr_t start, phys_addr_t end) - { - if (outer_cache.clean_range) - outer_cache.clean_range(start, end); - } -+ -+/** -+ * outer_flush_range - clean and invalidate outer cache lines -+ * @start: starting physical address, inclusive -+ * @end: end physical address, exclusive -+ */ - static inline void outer_flush_range(phys_addr_t start, phys_addr_t end) - { - if (outer_cache.flush_range) - outer_cache.flush_range(start, end); - } - -+/** -+ * outer_flush_all - clean and invalidate all cache lines in the outer cache -+ * -+ * Note: depending on implementation, this may not be atomic - it must -+ * only be called with interrupts disabled and no other active outer -+ * cache masters. -+ * -+ * It is intended that this function is only used by implementations -+ * needing to override the outer_cache.disable() method due to security. -+ * (Some implementations perform this as a clean followed by an invalidate.) -+ */ - static inline void outer_flush_all(void) - { - if (outer_cache.flush_all) - outer_cache.flush_all(); - } - --static inline void outer_inv_all(void) --{ -- if (outer_cache.inv_all) -- outer_cache.inv_all(); --} -- --static inline void outer_disable(void) --{ -- if (outer_cache.disable) -- outer_cache.disable(); --} -- -+/** -+ * outer_disable - clean, invalidate and disable the outer cache -+ * -+ * Disable the outer cache, ensuring that any data contained in the outer -+ * cache is pushed out to lower levels of system memory. The note and -+ * conditions above concerning outer_flush_all() applies here. -+ */ -+extern void outer_disable(void); -+ -+/** -+ * outer_resume - restore the cache configuration and re-enable outer cache -+ * -+ * Restore any configuration that the cache had when previously enabled, -+ * and re-enable the outer cache. -+ */ - static inline void outer_resume(void) - { - if (outer_cache.resume) -@@ -90,13 +122,18 @@ - static inline void outer_flush_range(phys_addr_t start, phys_addr_t end) - { } - static inline void outer_flush_all(void) { } --static inline void outer_inv_all(void) { } - static inline void outer_disable(void) { } - static inline void outer_resume(void) { } - - #endif - - #ifdef CONFIG_OUTER_CACHE_SYNC -+/** -+ * outer_sync - perform a sync point for outer cache -+ * -+ * Ensure that all outer cache operations are complete and any store -+ * buffers are drained. -+ */ - static inline void outer_sync(void) - { - if (outer_cache.sync) -diff -Nur linux-3.15-rc6.orig/arch/arm/Kconfig linux-3.15-rc6/arch/arm/Kconfig ---- linux-3.15-rc6.orig/arch/arm/Kconfig 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/arch/arm/Kconfig 2014-05-23 11:26:48.248939848 +0200 -@@ -1230,19 +1230,6 @@ - register of the Cortex-A9 which reduces the linefill issuing - capabilities of the processor. - --config PL310_ERRATA_588369 -- bool "PL310 errata: Clean & Invalidate maintenance operations do not invalidate clean lines" -- depends on CACHE_L2X0 -- help -- The PL310 L2 cache controller implements three types of Clean & -- Invalidate maintenance operations: by Physical Address -- (offset 0x7F0), by Index/Way (0x7F8) and by Way (0x7FC). -- They are architecturally defined to behave as the execution of a -- clean operation followed immediately by an invalidate operation, -- both performing to the same memory location. This functionality -- is not correctly implemented in PL310 as clean lines are not -- invalidated as a result of these operations. -- - config ARM_ERRATA_643719 - bool "ARM errata: LoUIS bit field in CLIDR register is incorrect" - depends on CPU_V7 && SMP -@@ -1265,17 +1252,6 @@ - tables. The workaround changes the TLB flushing routines to invalidate - entries regardless of the ASID. - --config PL310_ERRATA_727915 -- bool "PL310 errata: Background Clean & Invalidate by Way operation can cause data corruption" -- depends on CACHE_L2X0 -- help -- PL310 implements the Clean & Invalidate by Way L2 cache maintenance -- operation (offset 0x7FC). This operation runs in background so that -- PL310 can handle normal accesses while it is in progress. Under very -- rare circumstances, due to this erratum, write data can be lost when -- PL310 treats a cacheable write transaction during a Clean & -- Invalidate by Way operation. -- - config ARM_ERRATA_743622 - bool "ARM errata: Faulty hazard checking in the Store Buffer may lead to data corruption" - depends on CPU_V7 -@@ -1301,21 +1277,6 @@ - operation is received by a CPU before the ICIALLUIS has completed, - potentially leading to corrupted entries in the cache or TLB. - --config PL310_ERRATA_753970 -- bool "PL310 errata: cache sync operation may be faulty" -- depends on CACHE_PL310 -- help -- This option enables the workaround for the 753970 PL310 (r3p0) erratum. -- -- Under some condition the effect of cache sync operation on -- the store buffer still remains when the operation completes. -- This means that the store buffer is always asked to drain and -- this prevents it from merging any further writes. The workaround -- is to replace the normal offset of cache sync operation (0x730) -- by another offset targeting an unmapped PL310 register 0x740. -- This has the same effect as the cache sync operation: store buffer -- drain and waiting for all buffers empty. -- - config ARM_ERRATA_754322 - bool "ARM errata: possible faulty MMU translations following an ASID switch" - depends on CPU_V7 -@@ -1364,18 +1325,6 @@ - relevant cache maintenance functions and sets a specific bit - in the diagnostic control register of the SCU. - --config PL310_ERRATA_769419 -- bool "PL310 errata: no automatic Store Buffer drain" -- depends on CACHE_L2X0 -- help -- On revisions of the PL310 prior to r3p2, the Store Buffer does -- not automatically drain. This can cause normal, non-cacheable -- writes to be retained when the memory system is idle, leading -- to suboptimal I/O performance for drivers using coherent DMA. -- This option adds a write barrier to the cpu_idle loop so that, -- on systems with an outer cache, the store buffer is drained -- explicitly. -- - config ARM_ERRATA_775420 - bool "ARM errata: A data cache maintenance operation which aborts, might lead to deadlock" - depends on CPU_V7 -diff -Nur linux-3.15-rc6.orig/arch/arm/mach-berlin/berlin.c linux-3.15-rc6/arch/arm/mach-berlin/berlin.c ---- linux-3.15-rc6.orig/arch/arm/mach-berlin/berlin.c 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/arch/arm/mach-berlin/berlin.c 2014-05-23 11:26:48.256939874 +0200 -@@ -24,7 +24,7 @@ - * with DT probing for L2CCs, berlin_init_machine can be removed. - * Note: 88DE3005 (Armada 1500-mini) uses pl310 l2cc - */ -- l2x0_of_init(0x70c00000, 0xfeffffff); -+ l2x0_of_init(0x30c00000, 0xfeffffff); - of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL); - } - -diff -Nur linux-3.15-rc6.orig/arch/arm/mach-cns3xxx/core.c linux-3.15-rc6/arch/arm/mach-cns3xxx/core.c ---- linux-3.15-rc6.orig/arch/arm/mach-cns3xxx/core.c 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/arch/arm/mach-cns3xxx/core.c 2014-05-23 11:26:48.256939874 +0200 -@@ -272,9 +272,9 @@ - * - * 1 cycle of latency for setup, read and write accesses - */ -- val = readl(base + L2X0_TAG_LATENCY_CTRL); -+ val = readl(base + L310_TAG_LATENCY_CTRL); - val &= 0xfffff888; -- writel(val, base + L2X0_TAG_LATENCY_CTRL); -+ writel(val, base + L310_TAG_LATENCY_CTRL); - - /* - * Data RAM Control register -@@ -285,12 +285,12 @@ - * - * 1 cycle of latency for setup, read and write accesses - */ -- val = readl(base + L2X0_DATA_LATENCY_CTRL); -+ val = readl(base + L310_DATA_LATENCY_CTRL); - val &= 0xfffff888; -- writel(val, base + L2X0_DATA_LATENCY_CTRL); -+ writel(val, base + L310_DATA_LATENCY_CTRL); - - /* 32 KiB, 8-way, parity disable */ -- l2x0_init(base, 0x00540000, 0xfe000fff); -+ l2x0_init(base, 0x00500000, 0xfe0f0fff); - } - - #endif /* CONFIG_CACHE_L2X0 */ -diff -Nur linux-3.15-rc6.orig/arch/arm/mach-exynos/common.h linux-3.15-rc6/arch/arm/mach-exynos/common.h ---- linux-3.15-rc6.orig/arch/arm/mach-exynos/common.h 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/arch/arm/mach-exynos/common.h 2014-05-23 11:26:48.256939874 +0200 -@@ -55,7 +55,6 @@ - NUM_SYS_POWERDOWN, - }; - --extern unsigned long l2x0_regs_phys; - struct exynos_pmu_conf { - void __iomem *reg; - unsigned int val[NUM_SYS_POWERDOWN]; -diff -Nur linux-3.15-rc6.orig/arch/arm/mach-exynos/exynos.c linux-3.15-rc6/arch/arm/mach-exynos/exynos.c ---- linux-3.15-rc6.orig/arch/arm/mach-exynos/exynos.c 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/arch/arm/mach-exynos/exynos.c 2014-05-23 11:26:48.256939874 +0200 -@@ -32,9 +32,6 @@ - #include "mfc.h" - #include "regs-pmu.h" - --#define L2_AUX_VAL 0x7C470001 --#define L2_AUX_MASK 0xC200ffff -- - static struct map_desc exynos4_iodesc[] __initdata = { - { - .virtual = (unsigned long)S3C_VA_SYS, -@@ -321,17 +318,7 @@ - - static int __init exynos4_l2x0_cache_init(void) - { -- int ret; -- -- ret = l2x0_of_init(L2_AUX_VAL, L2_AUX_MASK); -- if (ret) -- return ret; -- -- if (IS_ENABLED(CONFIG_S5P_SLEEP)) { -- l2x0_regs_phys = virt_to_phys(&l2x0_saved_regs); -- clean_dcache_area(&l2x0_regs_phys, sizeof(unsigned long)); -- } -- return 0; -+ return l2x0_of_init(0x3c400001, 0xc20fffff); - } - early_initcall(exynos4_l2x0_cache_init); - -diff -Nur linux-3.15-rc6.orig/arch/arm/mach-exynos/sleep.S linux-3.15-rc6/arch/arm/mach-exynos/sleep.S ---- linux-3.15-rc6.orig/arch/arm/mach-exynos/sleep.S 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/arch/arm/mach-exynos/sleep.S 2014-05-23 11:26:48.256939874 +0200 -@@ -16,8 +16,6 @@ - */ - - #include --#include --#include - - #define CPU_MASK 0xff0ffff0 - #define CPU_CORTEX_A9 0x410fc090 -@@ -53,33 +51,7 @@ - and r0, r0, r1 - ldr r1, =CPU_CORTEX_A9 - cmp r0, r1 -- bne skip_l2_resume -- adr r0, l2x0_regs_phys -- ldr r0, [r0] -- cmp r0, #0 -- beq skip_l2_resume -- ldr r1, [r0, #L2X0_R_PHY_BASE] -- ldr r2, [r1, #L2X0_CTRL] -- tst r2, #0x1 -- bne skip_l2_resume -- ldr r2, [r0, #L2X0_R_AUX_CTRL] -- str r2, [r1, #L2X0_AUX_CTRL] -- ldr r2, [r0, #L2X0_R_TAG_LATENCY] -- str r2, [r1, #L2X0_TAG_LATENCY_CTRL] -- ldr r2, [r0, #L2X0_R_DATA_LATENCY] -- str r2, [r1, #L2X0_DATA_LATENCY_CTRL] -- ldr r2, [r0, #L2X0_R_PREFETCH_CTRL] -- str r2, [r1, #L2X0_PREFETCH_CTRL] -- ldr r2, [r0, #L2X0_R_PWR_CTRL] -- str r2, [r1, #L2X0_POWER_CTRL] -- mov r2, #1 -- str r2, [r1, #L2X0_CTRL] --skip_l2_resume: -+ bleq l2c310_early_resume - #endif - b cpu_resume - ENDPROC(exynos_cpu_resume) --#ifdef CONFIG_CACHE_L2X0 -- .globl l2x0_regs_phys --l2x0_regs_phys: -- .long 0 --#endif -diff -Nur linux-3.15-rc6.orig/arch/arm/mach-highbank/highbank.c linux-3.15-rc6/arch/arm/mach-highbank/highbank.c ---- linux-3.15-rc6.orig/arch/arm/mach-highbank/highbank.c 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/arch/arm/mach-highbank/highbank.c 2014-05-23 11:26:48.256939874 +0200 -@@ -51,11 +51,13 @@ - } - - --static void highbank_l2x0_disable(void) -+static void highbank_l2c310_write_sec(unsigned long val, unsigned reg) - { -- outer_flush_all(); -- /* Disable PL310 L2 Cache controller */ -- highbank_smc1(0x102, 0x0); -+ if (reg == L2X0_CTRL) -+ highbank_smc1(0x102, val); -+ else -+ WARN_ONCE(1, "Highbank L2C310: ignoring write to reg 0x%x\n", -+ reg); - } - - static void __init highbank_init_irq(void) -@@ -66,11 +68,9 @@ - highbank_scu_map_io(); - - /* Enable PL310 L2 Cache controller */ -- if (IS_ENABLED(CONFIG_CACHE_L2X0) && -- of_find_compatible_node(NULL, NULL, "arm,pl310-cache")) { -- highbank_smc1(0x102, 0x1); -- l2x0_of_init(0, ~0UL); -- outer_cache.disable = highbank_l2x0_disable; -+ if (IS_ENABLED(CONFIG_CACHE_L2X0)) { -+ outer_cache.write_sec = highbank_l2c310_write_sec; -+ l2x0_of_init(0, ~0); - } - } - -diff -Nur linux-3.15-rc6.orig/arch/arm/mach-imx/clk-pllv3.c linux-3.15-rc6/arch/arm/mach-imx/clk-pllv3.c ---- linux-3.15-rc6.orig/arch/arm/mach-imx/clk-pllv3.c 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/arch/arm/mach-imx/clk-pllv3.c 2014-05-23 11:26:48.256939874 +0200 -@@ -273,9 +273,10 @@ - struct clk_pllv3 *pll = to_clk_pllv3(hw); - unsigned long min_rate = parent_rate * 27; - unsigned long max_rate = parent_rate * 54; -- u32 val, div; -+ u32 val, newval, div; - u32 mfn, mfd = 1000000; - s64 temp64; -+ int ret; - - if (rate < min_rate || rate > max_rate) - return -EINVAL; -@@ -287,13 +288,27 @@ - mfn = temp64; - - val = readl_relaxed(pll->base); -- val &= ~pll->div_mask; -- val |= div; -- writel_relaxed(val, pll->base); -+ -+ /* set the PLL into bypass mode */ -+ newval = val | BM_PLL_BYPASS; -+ writel_relaxed(newval, pll->base); -+ -+ /* configure the new frequency */ -+ newval &= ~pll->div_mask; -+ newval |= div; -+ writel_relaxed(newval, pll->base); - writel_relaxed(mfn, pll->base + PLL_NUM_OFFSET); -- writel_relaxed(mfd, pll->base + PLL_DENOM_OFFSET); -+ writel(mfd, pll->base + PLL_DENOM_OFFSET); -+ -+ ret = clk_pllv3_wait_lock(pll); -+ if (ret == 0 && val & BM_PLL_POWER) { -+ /* only if it locked can we switch back to the PLL */ -+ newval &= ~BM_PLL_BYPASS; -+ newval |= val & BM_PLL_BYPASS; -+ writel(newval, pll->base); -+ } - -- return clk_pllv3_wait_lock(pll); -+ return ret; - } - - static const struct clk_ops clk_pllv3_av_ops = { -diff -Nur linux-3.15-rc6.orig/arch/arm/mach-imx/mach-vf610.c linux-3.15-rc6/arch/arm/mach-imx/mach-vf610.c ---- linux-3.15-rc6.orig/arch/arm/mach-imx/mach-vf610.c 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/arch/arm/mach-imx/mach-vf610.c 2014-05-23 11:26:48.256939874 +0200 -@@ -22,7 +22,7 @@ - - static void __init vf610_init_irq(void) - { -- l2x0_of_init(0, ~0UL); -+ l2x0_of_init(0, ~0); - irqchip_init(); - } - -diff -Nur linux-3.15-rc6.orig/arch/arm/mach-imx/suspend-imx6.S linux-3.15-rc6/arch/arm/mach-imx/suspend-imx6.S ---- linux-3.15-rc6.orig/arch/arm/mach-imx/suspend-imx6.S 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/arch/arm/mach-imx/suspend-imx6.S 2014-05-23 11:26:48.256939874 +0200 -@@ -334,28 +334,10 @@ - * turned into relative ones. - */ - --#ifdef CONFIG_CACHE_L2X0 -- .macro pl310_resume -- adr r0, l2x0_saved_regs_offset -- ldr r2, [r0] -- add r2, r2, r0 -- ldr r0, [r2, #L2X0_R_PHY_BASE] @ get physical base of l2x0 -- ldr r1, [r2, #L2X0_R_AUX_CTRL] @ get aux_ctrl value -- str r1, [r0, #L2X0_AUX_CTRL] @ restore aux_ctrl -- mov r1, #0x1 -- str r1, [r0, #L2X0_CTRL] @ re-enable L2 -- .endm -- --l2x0_saved_regs_offset: -- .word l2x0_saved_regs - . -- --#else -- .macro pl310_resume -- .endm --#endif -- - ENTRY(v7_cpu_resume) - bl v7_invalidate_l1 -- pl310_resume -+#ifdef CONFIG_CACHE_L2X0 -+ bl l2c310_early_resume -+#endif - b cpu_resume - ENDPROC(v7_cpu_resume) -diff -Nur linux-3.15-rc6.orig/arch/arm/mach-imx/system.c linux-3.15-rc6/arch/arm/mach-imx/system.c ---- linux-3.15-rc6.orig/arch/arm/mach-imx/system.c 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/arch/arm/mach-imx/system.c 2014-05-23 11:26:48.260939887 +0200 -@@ -124,7 +124,7 @@ - } - - /* Configure the L2 PREFETCH and POWER registers */ -- val = readl_relaxed(l2x0_base + L2X0_PREFETCH_CTRL); -+ val = readl_relaxed(l2x0_base + L310_PREFETCH_CTRL); - val |= 0x70800000; - /* - * The L2 cache controller(PL310) version on the i.MX6D/Q is r3p1-50rel0 -@@ -137,14 +137,12 @@ - */ - if (cpu_is_imx6q()) - val &= ~(1 << 30 | 1 << 23); -- writel_relaxed(val, l2x0_base + L2X0_PREFETCH_CTRL); -- val = L2X0_DYNAMIC_CLK_GATING_EN | L2X0_STNDBY_MODE_EN; -- writel_relaxed(val, l2x0_base + L2X0_POWER_CTRL); -+ writel_relaxed(val, l2x0_base + L310_PREFETCH_CTRL); - - iounmap(l2x0_base); - of_node_put(np); - - out: -- l2x0_of_init(0, ~0UL); -+ l2x0_of_init(0, ~0); - } - #endif -diff -Nur linux-3.15-rc6.orig/arch/arm/mach-mvebu/board-v7.c linux-3.15-rc6/arch/arm/mach-mvebu/board-v7.c ---- linux-3.15-rc6.orig/arch/arm/mach-mvebu/board-v7.c 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/arch/arm/mach-mvebu/board-v7.c 2014-05-23 11:26:48.260939887 +0200 -@@ -60,7 +60,7 @@ - coherency_init(); - BUG_ON(mvebu_mbus_dt_init()); - #ifdef CONFIG_CACHE_L2X0 -- l2x0_of_init(0, ~0UL); -+ l2x0_of_init(0, ~0); - #endif - - if (of_machine_is_compatible("marvell,armada375")) -diff -Nur linux-3.15-rc6.orig/arch/arm/mach-nomadik/cpu-8815.c linux-3.15-rc6/arch/arm/mach-nomadik/cpu-8815.c ---- linux-3.15-rc6.orig/arch/arm/mach-nomadik/cpu-8815.c 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/arch/arm/mach-nomadik/cpu-8815.c 2014-05-23 11:26:48.260939887 +0200 -@@ -147,7 +147,7 @@ - { - #ifdef CONFIG_CACHE_L2X0 - /* At full speed latency must be >=2, so 0x249 in low bits */ -- l2x0_of_init(0x00730249, 0xfe000fff); -+ l2x0_of_init(0x00700249, 0xfe0fefff); - #endif - of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL); - } -diff -Nur linux-3.15-rc6.orig/arch/arm/mach-omap2/common.h linux-3.15-rc6/arch/arm/mach-omap2/common.h ---- linux-3.15-rc6.orig/arch/arm/mach-omap2/common.h 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/arch/arm/mach-omap2/common.h 2014-05-23 11:26:48.260939887 +0200 -@@ -91,6 +91,7 @@ - extern void omap3_secure_sync32k_timer_init(void); - extern void omap3_gptimer_timer_init(void); - extern void omap4_local_timer_init(void); -+int omap_l2_cache_init(void); - extern void omap5_realtime_timer_init(void); - - void omap2420_init_early(void); -diff -Nur linux-3.15-rc6.orig/arch/arm/mach-omap2/io.c linux-3.15-rc6/arch/arm/mach-omap2/io.c ---- linux-3.15-rc6.orig/arch/arm/mach-omap2/io.c 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/arch/arm/mach-omap2/io.c 2014-05-23 11:26:48.260939887 +0200 -@@ -609,6 +609,7 @@ - am43xx_clockdomains_init(); - am43xx_hwmod_init(); - omap_hwmod_init_postsetup(); -+ omap_l2_cache_init(); - omap_clk_soc_init = am43xx_dt_clk_init; - } - -@@ -640,6 +641,7 @@ - omap44xx_clockdomains_init(); - omap44xx_hwmod_init(); - omap_hwmod_init_postsetup(); -+ omap_l2_cache_init(); - omap_clk_soc_init = omap4xxx_dt_clk_init; - } - -diff -Nur linux-3.15-rc6.orig/arch/arm/mach-omap2/Kconfig linux-3.15-rc6/arch/arm/mach-omap2/Kconfig ---- linux-3.15-rc6.orig/arch/arm/mach-omap2/Kconfig 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/arch/arm/mach-omap2/Kconfig 2014-05-23 11:26:48.260939887 +0200 -@@ -65,6 +65,7 @@ - select ARCH_HAS_OPP - select ARM_GIC - select MACH_OMAP_GENERIC -+ select MIGHT_HAVE_CACHE_L2X0 - - config SOC_DRA7XX - bool "TI DRA7XX" -diff -Nur linux-3.15-rc6.orig/arch/arm/mach-omap2/omap4-common.c linux-3.15-rc6/arch/arm/mach-omap2/omap4-common.c ---- linux-3.15-rc6.orig/arch/arm/mach-omap2/omap4-common.c 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/arch/arm/mach-omap2/omap4-common.c 2014-05-23 11:26:48.260939887 +0200 -@@ -167,75 +167,57 @@ - return l2cache_base; - } - --static void omap4_l2x0_disable(void) -+static void omap4_l2c310_write_sec(unsigned long val, unsigned reg) - { -- outer_flush_all(); -- /* Disable PL310 L2 Cache controller */ -- omap_smc1(0x102, 0x0); --} -+ unsigned smc_op; - --static void omap4_l2x0_set_debug(unsigned long val) --{ -- /* Program PL310 L2 Cache controller debug register */ -- omap_smc1(0x100, val); -+ switch (reg) { -+ case L2X0_CTRL: -+ smc_op = OMAP4_MON_L2X0_CTRL_INDEX; -+ break; -+ -+ case L2X0_AUX_CTRL: -+ smc_op = OMAP4_MON_L2X0_AUXCTRL_INDEX; -+ break; -+ -+ case L2X0_DEBUG_CTRL: -+ smc_op = OMAP4_MON_L2X0_DBG_CTRL_INDEX; -+ break; -+ -+ case L310_PREFETCH_CTRL: -+ smc_op = OMAP4_MON_L2X0_PREFETCH_INDEX; -+ break; -+ -+ default: -+ WARN_ONCE(1, "OMAP L2C310: ignoring write to reg 0x%x\n", reg); -+ return; -+ } -+ -+ omap_smc1(smc_op, val); - } - --static int __init omap_l2_cache_init(void) -+int __init omap_l2_cache_init(void) - { -- u32 aux_ctrl = 0; -- -- /* -- * To avoid code running on other OMAPs in -- * multi-omap builds -- */ -- if (!cpu_is_omap44xx()) -- return -ENODEV; -+ u32 aux_ctrl; - - /* Static mapping, never released */ - l2cache_base = ioremap(OMAP44XX_L2CACHE_BASE, SZ_4K); - if (WARN_ON(!l2cache_base)) - return -ENOMEM; - -- /* -- * 16-way associativity, parity disabled -- * Way size - 32KB (es1.0) -- * Way size - 64KB (es2.0 +) -- */ -- aux_ctrl = ((1 << L2X0_AUX_CTRL_ASSOCIATIVITY_SHIFT) | -- (0x1 << 25) | -- (0x1 << L2X0_AUX_CTRL_NS_LOCKDOWN_SHIFT) | -- (0x1 << L2X0_AUX_CTRL_NS_INT_CTRL_SHIFT)); -- -- if (omap_rev() == OMAP4430_REV_ES1_0) { -- aux_ctrl |= 0x2 << L2X0_AUX_CTRL_WAY_SIZE_SHIFT; -- } else { -- aux_ctrl |= ((0x3 << L2X0_AUX_CTRL_WAY_SIZE_SHIFT) | -- (1 << L2X0_AUX_CTRL_SHARE_OVERRIDE_SHIFT) | -- (1 << L2X0_AUX_CTRL_DATA_PREFETCH_SHIFT) | -- (1 << L2X0_AUX_CTRL_INSTR_PREFETCH_SHIFT) | -- (1 << L2X0_AUX_CTRL_EARLY_BRESP_SHIFT)); -- } -- if (omap_rev() != OMAP4430_REV_ES1_0) -- omap_smc1(0x109, aux_ctrl); -- -- /* Enable PL310 L2 Cache controller */ -- omap_smc1(0x102, 0x1); -+ /* 16-way associativity, parity disabled, way size - 64KB (es2.0 +) */ -+ aux_ctrl = L2C_AUX_CTRL_SHARED_OVERRIDE | -+ L310_AUX_CTRL_DATA_PREFETCH | -+ L310_AUX_CTRL_INSTR_PREFETCH; - -+ outer_cache.write_sec = omap4_l2c310_write_sec; - if (of_have_populated_dt()) -- l2x0_of_init(aux_ctrl, L2X0_AUX_CTRL_MASK); -+ l2x0_of_init(aux_ctrl, 0xcf9fffff); - else -- l2x0_init(l2cache_base, aux_ctrl, L2X0_AUX_CTRL_MASK); -- -- /* -- * Override default outer_cache.disable with a OMAP4 -- * specific one -- */ -- outer_cache.disable = omap4_l2x0_disable; -- outer_cache.set_debug = omap4_l2x0_set_debug; -+ l2x0_init(l2cache_base, aux_ctrl, 0xcf9fffff); - - return 0; - } --omap_early_initcall(omap_l2_cache_init); - #endif - - void __iomem *omap4_get_sar_ram_base(void) -diff -Nur linux-3.15-rc6.orig/arch/arm/mach-omap2/omap-mpuss-lowpower.c linux-3.15-rc6/arch/arm/mach-omap2/omap-mpuss-lowpower.c ---- linux-3.15-rc6.orig/arch/arm/mach-omap2/omap-mpuss-lowpower.c 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/arch/arm/mach-omap2/omap-mpuss-lowpower.c 2014-05-23 11:26:48.268939913 +0200 -@@ -187,19 +187,15 @@ - * in every restore MPUSS OFF path. - */ - #ifdef CONFIG_CACHE_L2X0 --static void save_l2x0_context(void) -+static void __init save_l2x0_context(void) - { -- u32 val; -- void __iomem *l2x0_base = omap4_get_l2cache_base(); -- if (l2x0_base) { -- val = __raw_readl(l2x0_base + L2X0_AUX_CTRL); -- __raw_writel(val, sar_base + L2X0_AUXCTRL_OFFSET); -- val = __raw_readl(l2x0_base + L2X0_PREFETCH_CTRL); -- __raw_writel(val, sar_base + L2X0_PREFETCH_CTRL_OFFSET); -- } -+ __raw_writel(l2x0_saved_regs.aux_ctrl, -+ sar_base + L2X0_AUXCTRL_OFFSET); -+ __raw_writel(l2x0_saved_regs.prefetch_ctrl, -+ sar_base + L2X0_PREFETCH_CTRL_OFFSET); - } - #else --static void save_l2x0_context(void) -+static void __init save_l2x0_context(void) - {} - #endif - -diff -Nur linux-3.15-rc6.orig/arch/arm/mach-prima2/l2x0.c linux-3.15-rc6/arch/arm/mach-prima2/l2x0.c ---- linux-3.15-rc6.orig/arch/arm/mach-prima2/l2x0.c 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/arch/arm/mach-prima2/l2x0.c 2014-05-23 11:26:48.268939913 +0200 -@@ -8,42 +8,10 @@ - - #include - #include --#include - #include - --struct l2x0_aux { -- u32 val; -- u32 mask; --}; -- --static const struct l2x0_aux prima2_l2x0_aux __initconst = { -- .val = 2 << L2X0_AUX_CTRL_WAY_SIZE_SHIFT, -- .mask = 0, --}; -- --static const struct l2x0_aux marco_l2x0_aux __initconst = { -- .val = (2 << L2X0_AUX_CTRL_WAY_SIZE_SHIFT) | -- (1 << L2X0_AUX_CTRL_ASSOCIATIVITY_SHIFT), -- .mask = L2X0_AUX_CTRL_MASK, --}; -- --static const struct of_device_id sirf_l2x0_ids[] __initconst = { -- { .compatible = "sirf,prima2-pl310-cache", .data = &prima2_l2x0_aux, }, -- { .compatible = "sirf,marco-pl310-cache", .data = &marco_l2x0_aux, }, -- {}, --}; -- - static int __init sirfsoc_l2x0_init(void) - { -- struct device_node *np; -- const struct l2x0_aux *aux; -- -- np = of_find_matching_node(NULL, sirf_l2x0_ids); -- if (np) { -- aux = of_match_node(sirf_l2x0_ids, np)->data; -- return l2x0_of_init(aux->val, aux->mask); -- } -- -- return 0; -+ return l2x0_of_init(0, ~0); - } - early_initcall(sirfsoc_l2x0_init); -diff -Nur linux-3.15-rc6.orig/arch/arm/mach-prima2/pm.c linux-3.15-rc6/arch/arm/mach-prima2/pm.c ---- linux-3.15-rc6.orig/arch/arm/mach-prima2/pm.c 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/arch/arm/mach-prima2/pm.c 2014-05-23 11:26:48.268939913 +0200 -@@ -71,7 +71,6 @@ - case PM_SUSPEND_MEM: - sirfsoc_pre_suspend_power_off(); - -- outer_flush_all(); - outer_disable(); - /* go zzz */ - cpu_suspend(0, sirfsoc_finish_suspend); -diff -Nur linux-3.15-rc6.orig/arch/arm/mach-realview/realview_eb.c linux-3.15-rc6/arch/arm/mach-realview/realview_eb.c ---- linux-3.15-rc6.orig/arch/arm/mach-realview/realview_eb.c 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/arch/arm/mach-realview/realview_eb.c 2014-05-23 11:26:48.268939913 +0200 -@@ -442,8 +442,13 @@ - realview_eb11mp_fixup(); - - #ifdef CONFIG_CACHE_L2X0 -- /* 1MB (128KB/way), 8-way associativity, evmon/parity/share enabled -- * Bits: .... ...0 0111 1001 0000 .... .... .... */ -+ /* -+ * The PL220 needs to be manually configured as the hardware -+ * doesn't report the correct sizes. -+ * 1MB (128KB/way), 8-way associativity, event monitor and -+ * parity enabled, ignore share bit, no force write allocate -+ * Bits: .... ...0 0111 1001 0000 .... .... .... -+ */ - l2x0_init(__io_address(REALVIEW_EB11MP_L220_BASE), 0x00790000, 0xfe000fff); - #endif - platform_device_register(&pmu_device); -diff -Nur linux-3.15-rc6.orig/arch/arm/mach-realview/realview_pb1176.c linux-3.15-rc6/arch/arm/mach-realview/realview_pb1176.c ---- linux-3.15-rc6.orig/arch/arm/mach-realview/realview_pb1176.c 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/arch/arm/mach-realview/realview_pb1176.c 2014-05-23 11:26:48.268939913 +0200 -@@ -355,7 +355,13 @@ - int i; - - #ifdef CONFIG_CACHE_L2X0 -- /* 128Kb (16Kb/way) 8-way associativity. evmon/parity/share enabled. */ -+ /* -+ * The PL220 needs to be manually configured as the hardware -+ * doesn't report the correct sizes. -+ * 128kB (16kB/way), 8-way associativity, event monitor and -+ * parity enabled, ignore share bit, no force write allocate -+ * Bits: .... ...0 0111 0011 0000 .... .... .... -+ */ - l2x0_init(__io_address(REALVIEW_PB1176_L220_BASE), 0x00730000, 0xfe000fff); - #endif - -diff -Nur linux-3.15-rc6.orig/arch/arm/mach-realview/realview_pb11mp.c linux-3.15-rc6/arch/arm/mach-realview/realview_pb11mp.c ---- linux-3.15-rc6.orig/arch/arm/mach-realview/realview_pb11mp.c 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/arch/arm/mach-realview/realview_pb11mp.c 2014-05-23 11:26:48.268939913 +0200 -@@ -337,8 +337,13 @@ - int i; - - #ifdef CONFIG_CACHE_L2X0 -- /* 1MB (128KB/way), 8-way associativity, evmon/parity/share enabled -- * Bits: .... ...0 0111 1001 0000 .... .... .... */ -+ /* -+ * The PL220 needs to be manually configured as the hardware -+ * doesn't report the correct sizes. -+ * 1MB (128KB/way), 8-way associativity, event monitor and -+ * parity enabled, ignore share bit, no force write allocate -+ * Bits: .... ...0 0111 1001 0000 .... .... .... -+ */ - l2x0_init(__io_address(REALVIEW_TC11MP_L220_BASE), 0x00790000, 0xfe000fff); - #endif - -diff -Nur linux-3.15-rc6.orig/arch/arm/mach-realview/realview_pbx.c linux-3.15-rc6/arch/arm/mach-realview/realview_pbx.c ---- linux-3.15-rc6.orig/arch/arm/mach-realview/realview_pbx.c 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/arch/arm/mach-realview/realview_pbx.c 2014-05-23 11:26:48.268939913 +0200 -@@ -370,8 +370,8 @@ - __io_address(REALVIEW_PBX_TILE_L220_BASE); - - /* set RAM latencies to 1 cycle for eASIC */ -- writel(0, l2x0_base + L2X0_TAG_LATENCY_CTRL); -- writel(0, l2x0_base + L2X0_DATA_LATENCY_CTRL); -+ writel(0, l2x0_base + L310_TAG_LATENCY_CTRL); -+ writel(0, l2x0_base + L310_DATA_LATENCY_CTRL); - - /* 16KB way size, 8-way associativity, parity disabled - * Bits: .. 0 0 0 0 1 00 1 0 1 001 0 000 0 .... .... .... */ -diff -Nur linux-3.15-rc6.orig/arch/arm/mach-rockchip/rockchip.c linux-3.15-rc6/arch/arm/mach-rockchip/rockchip.c ---- linux-3.15-rc6.orig/arch/arm/mach-rockchip/rockchip.c 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/arch/arm/mach-rockchip/rockchip.c 2014-05-23 11:26:48.268939913 +0200 -@@ -26,7 +26,7 @@ - - static void __init rockchip_dt_init(void) - { -- l2x0_of_init(0, ~0UL); -+ l2x0_of_init(0, ~0); - of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL); - } - -diff -Nur linux-3.15-rc6.orig/arch/arm/mach-shmobile/board-armadillo800eva.c linux-3.15-rc6/arch/arm/mach-shmobile/board-armadillo800eva.c ---- linux-3.15-rc6.orig/arch/arm/mach-shmobile/board-armadillo800eva.c 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/arch/arm/mach-shmobile/board-armadillo800eva.c 2014-05-23 11:26:48.272939927 +0200 -@@ -1271,8 +1271,8 @@ - - - #ifdef CONFIG_CACHE_L2X0 -- /* Early BRESP enable, Shared attribute override enable, 32K*8way */ -- l2x0_init(IOMEM(0xf0002000), 0x40440000, 0x82000fff); -+ /* Shared attribute override enable, 32K*8way */ -+ l2x0_init(IOMEM(0xf0002000), 0x00400000, 0xc20f0fff); - #endif - - i2c_register_board_info(0, i2c0_devices, ARRAY_SIZE(i2c0_devices)); -diff -Nur linux-3.15-rc6.orig/arch/arm/mach-shmobile/board-armadillo800eva-reference.c linux-3.15-rc6/arch/arm/mach-shmobile/board-armadillo800eva-reference.c ---- linux-3.15-rc6.orig/arch/arm/mach-shmobile/board-armadillo800eva-reference.c 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/arch/arm/mach-shmobile/board-armadillo800eva-reference.c 2014-05-23 11:26:48.272939927 +0200 -@@ -164,8 +164,8 @@ - r8a7740_meram_workaround(); - - #ifdef CONFIG_CACHE_L2X0 -- /* Early BRESP enable, Shared attribute override enable, 32K*8way */ -- l2x0_init(IOMEM(0xf0002000), 0x40440000, 0x82000fff); -+ /* Shared attribute override enable, 32K*8way */ -+ l2x0_init(IOMEM(0xf0002000), 0x00400000, 0xc20f0fff); - #endif - - r8a7740_add_standard_devices_dt(); -diff -Nur linux-3.15-rc6.orig/arch/arm/mach-shmobile/board-kzm9g.c linux-3.15-rc6/arch/arm/mach-shmobile/board-kzm9g.c ---- linux-3.15-rc6.orig/arch/arm/mach-shmobile/board-kzm9g.c 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/arch/arm/mach-shmobile/board-kzm9g.c 2014-05-23 11:26:48.272939927 +0200 -@@ -876,8 +876,8 @@ - gpio_request_one(223, GPIOF_IN, NULL); /* IRQ8 */ - - #ifdef CONFIG_CACHE_L2X0 -- /* Early BRESP enable, Shared attribute override enable, 64K*8way */ -- l2x0_init(IOMEM(0xf0100000), 0x40460000, 0x82000fff); -+ /* Shared attribute override enable, 64K*8way */ -+ l2x0_init(IOMEM(0xf0100000), 0x00400000, 0xc20f0fff); - #endif - - i2c_register_board_info(0, i2c0_devices, ARRAY_SIZE(i2c0_devices)); -diff -Nur linux-3.15-rc6.orig/arch/arm/mach-shmobile/board-kzm9g-reference.c linux-3.15-rc6/arch/arm/mach-shmobile/board-kzm9g-reference.c ---- linux-3.15-rc6.orig/arch/arm/mach-shmobile/board-kzm9g-reference.c 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/arch/arm/mach-shmobile/board-kzm9g-reference.c 2014-05-23 11:26:48.272939927 +0200 -@@ -36,8 +36,8 @@ - sh73a0_add_standard_devices_dt(); - - #ifdef CONFIG_CACHE_L2X0 -- /* Early BRESP enable, Shared attribute override enable, 64K*8way */ -- l2x0_init(IOMEM(0xf0100000), 0x40460000, 0x82000fff); -+ /* Shared attribute override enable, 64K*8way */ -+ l2x0_init(IOMEM(0xf0100000), 0x00400000, 0xc20f0fff); - #endif - } - -diff -Nur linux-3.15-rc6.orig/arch/arm/mach-shmobile/setup-r8a7778.c linux-3.15-rc6/arch/arm/mach-shmobile/setup-r8a7778.c ---- linux-3.15-rc6.orig/arch/arm/mach-shmobile/setup-r8a7778.c 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/arch/arm/mach-shmobile/setup-r8a7778.c 2014-05-23 11:26:48.272939927 +0200 -@@ -298,10 +298,10 @@ - void __iomem *base = ioremap_nocache(0xf0100000, 0x1000); - if (base) { - /* -- * Early BRESP enable, Shared attribute override enable, 64K*16way -+ * Shared attribute override enable, 64K*16way - * don't call iounmap(base) - */ -- l2x0_init(base, 0x40470000, 0x82000fff); -+ l2x0_init(base, 0x00400000, 0xc20f0fff); - } - #endif - -diff -Nur linux-3.15-rc6.orig/arch/arm/mach-shmobile/setup-r8a7779.c linux-3.15-rc6/arch/arm/mach-shmobile/setup-r8a7779.c ---- linux-3.15-rc6.orig/arch/arm/mach-shmobile/setup-r8a7779.c 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/arch/arm/mach-shmobile/setup-r8a7779.c 2014-05-23 11:26:48.272939927 +0200 -@@ -700,8 +700,8 @@ - void __init r8a7779_add_standard_devices(void) - { - #ifdef CONFIG_CACHE_L2X0 -- /* Early BRESP enable, Shared attribute override enable, 64K*16way */ -- l2x0_init(IOMEM(0xf0100000), 0x40470000, 0x82000fff); -+ /* Shared attribute override enable, 64K*16way */ -+ l2x0_init(IOMEM(0xf0100000), 0x00400000, 0xc20f0fff); - #endif - r8a7779_pm_init(); - -diff -Nur linux-3.15-rc6.orig/arch/arm/mach-socfpga/socfpga.c linux-3.15-rc6/arch/arm/mach-socfpga/socfpga.c ---- linux-3.15-rc6.orig/arch/arm/mach-socfpga/socfpga.c 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/arch/arm/mach-socfpga/socfpga.c 2014-05-23 11:26:48.272939927 +0200 -@@ -100,7 +100,7 @@ - - static void __init socfpga_cyclone5_init(void) - { -- l2x0_of_init(0, ~0UL); -+ l2x0_of_init(0, ~0); - of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL); - } - -diff -Nur linux-3.15-rc6.orig/arch/arm/mach-spear/platsmp.c linux-3.15-rc6/arch/arm/mach-spear/platsmp.c ---- linux-3.15-rc6.orig/arch/arm/mach-spear/platsmp.c 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/arch/arm/mach-spear/platsmp.c 2014-05-23 11:26:48.272939927 +0200 -@@ -20,6 +20,18 @@ - #include - #include "generic.h" - -+/* -+ * Write pen_release in a way that is guaranteed to be visible to all -+ * observers, irrespective of whether they're taking part in coherency -+ * or not. This is necessary for the hotplug code to work reliably. -+ */ -+static void write_pen_release(int val) -+{ -+ pen_release = val; -+ smp_wmb(); -+ sync_cache_w(&pen_release); -+} -+ - static DEFINE_SPINLOCK(boot_lock); - - static void __iomem *scu_base = IOMEM(VA_SCU_BASE); -@@ -30,8 +42,7 @@ - * let the primary processor know we're out of the - * pen, then head off into the C entry point - */ -- pen_release = -1; -- smp_wmb(); -+ write_pen_release(-1); - - /* - * Synchronise with the boot thread. -@@ -58,9 +69,7 @@ - * Note that "pen_release" is the hardware CPU ID, whereas - * "cpu" is Linux's internal ID. - */ -- pen_release = cpu; -- flush_cache_all(); -- outer_flush_all(); -+ write_pen_release(cpu); - - timeout = jiffies + (1 * HZ); - while (time_before(jiffies, timeout)) { -diff -Nur linux-3.15-rc6.orig/arch/arm/mach-spear/spear13xx.c linux-3.15-rc6/arch/arm/mach-spear/spear13xx.c ---- linux-3.15-rc6.orig/arch/arm/mach-spear/spear13xx.c 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/arch/arm/mach-spear/spear13xx.c 2014-05-23 11:26:48.272939927 +0200 -@@ -38,15 +38,15 @@ - if (!IS_ENABLED(CONFIG_CACHE_L2X0)) - return; - -- writel_relaxed(0x06, VA_L2CC_BASE + L2X0_PREFETCH_CTRL); -+ writel_relaxed(0x06, VA_L2CC_BASE + L310_PREFETCH_CTRL); - - /* - * Program following latencies in order to make - * SPEAr1340 work at 600 MHz - */ -- writel_relaxed(0x221, VA_L2CC_BASE + L2X0_TAG_LATENCY_CTRL); -- writel_relaxed(0x441, VA_L2CC_BASE + L2X0_DATA_LATENCY_CTRL); -- l2x0_init(VA_L2CC_BASE, 0x70A60001, 0xfe00ffff); -+ writel_relaxed(0x221, VA_L2CC_BASE + L310_TAG_LATENCY_CTRL); -+ writel_relaxed(0x441, VA_L2CC_BASE + L310_DATA_LATENCY_CTRL); -+ l2x0_init(VA_L2CC_BASE, 0x30a00001, 0xfe0fffff); - } - - /* -diff -Nur linux-3.15-rc6.orig/arch/arm/mach-sti/board-dt.c linux-3.15-rc6/arch/arm/mach-sti/board-dt.c ---- linux-3.15-rc6.orig/arch/arm/mach-sti/board-dt.c 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/arch/arm/mach-sti/board-dt.c 2014-05-23 11:26:48.272939927 +0200 -@@ -16,15 +16,9 @@ - - void __init stih41x_l2x0_init(void) - { -- u32 way_size = 0x4; -- u32 aux_ctrl; -- /* may be this can be encoded in macros like BIT*() */ -- aux_ctrl = (0x1 << L2X0_AUX_CTRL_SHARE_OVERRIDE_SHIFT) | -- (0x1 << L2X0_AUX_CTRL_DATA_PREFETCH_SHIFT) | -- (0x1 << L2X0_AUX_CTRL_INSTR_PREFETCH_SHIFT) | -- (way_size << L2X0_AUX_CTRL_WAY_SIZE_SHIFT); -- -- l2x0_of_init(aux_ctrl, L2X0_AUX_CTRL_MASK); -+ l2x0_of_init(L2C_AUX_CTRL_SHARED_OVERRIDE | -+ L310_AUX_CTRL_DATA_PREFETCH | -+ L310_AUX_CTRL_INSTR_PREFETCH, 0xc00f0fff); - } - - static void __init stih41x_machine_init(void) -diff -Nur linux-3.15-rc6.orig/arch/arm/mach-tegra/pm.h linux-3.15-rc6/arch/arm/mach-tegra/pm.h ---- linux-3.15-rc6.orig/arch/arm/mach-tegra/pm.h 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/arch/arm/mach-tegra/pm.h 2014-05-23 11:26:48.272939927 +0200 -@@ -35,8 +35,6 @@ - void tegra30_lp1_iram_hook(void); - void tegra30_sleep_core_init(void); - --extern unsigned long l2x0_saved_regs_addr; -- - void tegra_clear_cpu_in_lp2(void); - bool tegra_set_cpu_in_lp2(void); - -diff -Nur linux-3.15-rc6.orig/arch/arm/mach-tegra/reset-handler.S linux-3.15-rc6/arch/arm/mach-tegra/reset-handler.S ---- linux-3.15-rc6.orig/arch/arm/mach-tegra/reset-handler.S 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/arch/arm/mach-tegra/reset-handler.S 2014-05-23 11:26:48.276939940 +0200 -@@ -19,7 +19,6 @@ - - #include - #include --#include - - #include "flowctrl.h" - #include "fuse.h" -@@ -78,8 +77,10 @@ - str r1, [r0] - #endif - -+#ifdef CONFIG_CACHE_L2X0 - /* L2 cache resume & re-enable */ -- l2_cache_resume r0, r1, r2, l2x0_saved_regs_addr -+ bl l2c310_early_resume -+#endif - end_ca9_scu_l2_resume: - mov32 r9, 0xc0f - cmp r8, r9 -@@ -89,12 +90,6 @@ - ENDPROC(tegra_resume) - #endif - --#ifdef CONFIG_CACHE_L2X0 -- .globl l2x0_saved_regs_addr --l2x0_saved_regs_addr: -- .long 0 --#endif -- - .align L1_CACHE_SHIFT - ENTRY(__tegra_cpu_reset_handler_start) - -diff -Nur linux-3.15-rc6.orig/arch/arm/mach-tegra/sleep.h linux-3.15-rc6/arch/arm/mach-tegra/sleep.h ---- linux-3.15-rc6.orig/arch/arm/mach-tegra/sleep.h 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/arch/arm/mach-tegra/sleep.h 2014-05-23 11:26:48.276939940 +0200 -@@ -120,37 +120,6 @@ - mov \tmp1, \tmp1, lsr #8 - .endm - --/* Macro to resume & re-enable L2 cache */ --#ifndef L2X0_CTRL_EN --#define L2X0_CTRL_EN 1 --#endif -- --#ifdef CONFIG_CACHE_L2X0 --.macro l2_cache_resume, tmp1, tmp2, tmp3, phys_l2x0_saved_regs -- W(adr) \tmp1, \phys_l2x0_saved_regs -- ldr \tmp1, [\tmp1] -- ldr \tmp2, [\tmp1, #L2X0_R_PHY_BASE] -- ldr \tmp3, [\tmp2, #L2X0_CTRL] -- tst \tmp3, #L2X0_CTRL_EN -- bne exit_l2_resume -- ldr \tmp3, [\tmp1, #L2X0_R_TAG_LATENCY] -- str \tmp3, [\tmp2, #L2X0_TAG_LATENCY_CTRL] -- ldr \tmp3, [\tmp1, #L2X0_R_DATA_LATENCY] -- str \tmp3, [\tmp2, #L2X0_DATA_LATENCY_CTRL] -- ldr \tmp3, [\tmp1, #L2X0_R_PREFETCH_CTRL] -- str \tmp3, [\tmp2, #L2X0_PREFETCH_CTRL] -- ldr \tmp3, [\tmp1, #L2X0_R_PWR_CTRL] -- str \tmp3, [\tmp2, #L2X0_POWER_CTRL] -- ldr \tmp3, [\tmp1, #L2X0_R_AUX_CTRL] -- str \tmp3, [\tmp2, #L2X0_AUX_CTRL] -- mov \tmp3, #L2X0_CTRL_EN -- str \tmp3, [\tmp2, #L2X0_CTRL] --exit_l2_resume: --.endm --#else /* CONFIG_CACHE_L2X0 */ --.macro l2_cache_resume, tmp1, tmp2, tmp3, phys_l2x0_saved_regs --.endm --#endif /* CONFIG_CACHE_L2X0 */ - #else - void tegra_pen_lock(void); - void tegra_pen_unlock(void); -diff -Nur linux-3.15-rc6.orig/arch/arm/mach-tegra/tegra.c linux-3.15-rc6/arch/arm/mach-tegra/tegra.c ---- linux-3.15-rc6.orig/arch/arm/mach-tegra/tegra.c 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/arch/arm/mach-tegra/tegra.c 2014-05-23 11:26:48.276939940 +0200 -@@ -73,27 +73,7 @@ - static void __init tegra_init_cache(void) - { - #ifdef CONFIG_CACHE_L2X0 -- static const struct of_device_id pl310_ids[] __initconst = { -- { .compatible = "arm,pl310-cache", }, -- {} -- }; -- -- struct device_node *np; -- int ret; -- void __iomem *p = IO_ADDRESS(TEGRA_ARM_PERIF_BASE) + 0x3000; -- u32 aux_ctrl, cache_type; -- -- np = of_find_matching_node(NULL, pl310_ids); -- if (!np) -- return; -- -- cache_type = readl(p + L2X0_CACHE_TYPE); -- aux_ctrl = (cache_type & 0x700) << (17-8); -- aux_ctrl |= 0x7C400001; -- -- ret = l2x0_of_init(aux_ctrl, 0x8200c3fe); -- if (!ret) -- l2x0_saved_regs_addr = virt_to_phys(&l2x0_saved_regs); -+ l2x0_of_init(0x3c400001, 0xc20fc3fe); - #endif - } - -diff -Nur linux-3.15-rc6.orig/arch/arm/mach-ux500/cache-l2x0.c linux-3.15-rc6/arch/arm/mach-ux500/cache-l2x0.c ---- linux-3.15-rc6.orig/arch/arm/mach-ux500/cache-l2x0.c 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/arch/arm/mach-ux500/cache-l2x0.c 2014-05-23 11:26:48.276939940 +0200 -@@ -35,10 +35,16 @@ - return 0; - } - --static int __init ux500_l2x0_init(void) -+static void ux500_l2c310_write_sec(unsigned long val, unsigned reg) - { -- u32 aux_val = 0x3e000000; -+ /* -+ * We can't write to secure registers as we are in non-secure -+ * mode, until we have some SMI service available. -+ */ -+} - -+static int __init ux500_l2x0_init(void) -+{ - if (cpu_is_u8500_family() || cpu_is_ux540_family()) - l2x0_base = __io_address(U8500_L2CC_BASE); - else -@@ -48,28 +54,12 @@ - /* Unlock before init */ - ux500_l2x0_unlock(); - -- /* DBx540's L2 has 128KB way size */ -- if (cpu_is_ux540_family()) -- /* 128KB way size */ -- aux_val |= (0x4 << L2X0_AUX_CTRL_WAY_SIZE_SHIFT); -- else -- /* 64KB way size */ -- aux_val |= (0x3 << L2X0_AUX_CTRL_WAY_SIZE_SHIFT); -+ outer_cache.write_sec = ux500_l2c310_write_sec; - -- /* 64KB way size, 8 way associativity, force WA */ - if (of_have_populated_dt()) -- l2x0_of_init(aux_val, 0xc0000fff); -+ l2x0_of_init(0, ~0); - else -- l2x0_init(l2x0_base, aux_val, 0xc0000fff); -- -- /* -- * We can't disable l2 as we are in non secure mode, currently -- * this seems be called only during kexec path. So let's -- * override outer.disable with nasty assignment until we have -- * some SMI service available. -- */ -- outer_cache.disable = NULL; -- outer_cache.set_debug = NULL; -+ l2x0_init(l2x0_base, 0, ~0); - - return 0; - } -diff -Nur linux-3.15-rc6.orig/arch/arm/mach-vexpress/ct-ca9x4.c linux-3.15-rc6/arch/arm/mach-vexpress/ct-ca9x4.c ---- linux-3.15-rc6.orig/arch/arm/mach-vexpress/ct-ca9x4.c 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/arch/arm/mach-vexpress/ct-ca9x4.c 2014-05-23 11:26:48.276939940 +0200 -@@ -45,6 +45,23 @@ - iotable_init(ct_ca9x4_io_desc, ARRAY_SIZE(ct_ca9x4_io_desc)); - } - -+static void __init ca9x4_l2_init(void) -+{ -+#ifdef CONFIG_CACHE_L2X0 -+ void __iomem *l2x0_base = ioremap(CT_CA9X4_L2CC, SZ_4K); -+ -+ if (l2x0_base) { -+ /* set RAM latencies to 1 cycle for this core tile. */ -+ writel(0, l2x0_base + L310_TAG_LATENCY_CTRL); -+ writel(0, l2x0_base + L310_DATA_LATENCY_CTRL); -+ -+ l2x0_init(l2x0_base, 0x00400000, 0xfe0fffff); -+ } else { -+ pr_err("L2C: unable to map L2 cache controller\n"); -+ } -+#endif -+} -+ - #ifdef CONFIG_HAVE_ARM_TWD - static DEFINE_TWD_LOCAL_TIMER(twd_local_timer, A9_MPCORE_TWD, IRQ_LOCALTIMER); - -@@ -63,6 +80,7 @@ - gic_init(0, 29, ioremap(A9_MPCORE_GIC_DIST, SZ_4K), - ioremap(A9_MPCORE_GIC_CPU, SZ_256)); - ca9x4_twd_init(); -+ ca9x4_l2_init(); - } - - static int ct_ca9x4_clcd_setup(struct clcd_fb *fb) -@@ -141,16 +159,6 @@ - { - int i; - --#ifdef CONFIG_CACHE_L2X0 -- void __iomem *l2x0_base = ioremap(CT_CA9X4_L2CC, SZ_4K); -- -- /* set RAM latencies to 1 cycle for this core tile. */ -- writel(0, l2x0_base + L2X0_TAG_LATENCY_CTRL); -- writel(0, l2x0_base + L2X0_DATA_LATENCY_CTRL); -- -- l2x0_init(l2x0_base, 0x00400000, 0xfe0fffff); --#endif -- - for (i = 0; i < ARRAY_SIZE(ct_ca9x4_amba_devs); i++) - amba_device_register(ct_ca9x4_amba_devs[i], &iomem_resource); - -diff -Nur linux-3.15-rc6.orig/arch/arm/mach-zynq/common.c linux-3.15-rc6/arch/arm/mach-zynq/common.c ---- linux-3.15-rc6.orig/arch/arm/mach-zynq/common.c 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/arch/arm/mach-zynq/common.c 2014-05-23 11:26:48.276939940 +0200 -@@ -70,7 +70,7 @@ - /* - * 64KB way size, 8-way associativity, parity disabled - */ -- l2x0_of_init(0x02060000, 0xF0F0FFFF); -+ l2x0_of_init(0x02000000, 0xf0ffffff); - - of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL); - -diff -Nur linux-3.15-rc6.orig/arch/arm/mm/cache-feroceon-l2.c linux-3.15-rc6/arch/arm/mm/cache-feroceon-l2.c ---- linux-3.15-rc6.orig/arch/arm/mm/cache-feroceon-l2.c 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/arch/arm/mm/cache-feroceon-l2.c 2014-05-23 11:26:48.280939953 +0200 -@@ -350,7 +350,6 @@ - outer_cache.inv_range = feroceon_l2_inv_range; - outer_cache.clean_range = feroceon_l2_clean_range; - outer_cache.flush_range = feroceon_l2_flush_range; -- outer_cache.inv_all = l2_inv_all; - - enable_l2(); - -diff -Nur linux-3.15-rc6.orig/arch/arm/mm/cache-l2x0.c linux-3.15-rc6/arch/arm/mm/cache-l2x0.c ---- linux-3.15-rc6.orig/arch/arm/mm/cache-l2x0.c 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/arch/arm/mm/cache-l2x0.c 2014-05-23 11:26:48.280939953 +0200 -@@ -16,18 +16,33 @@ - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ -+#include - #include - #include -+#include - #include - #include - #include - #include - - #include -+#include -+#include - #include - #include "cache-tauros3.h" - #include "cache-aurora-l2.h" - -+struct l2c_init_data { -+ const char *type; -+ unsigned way_size_0; -+ unsigned num_lock; -+ void (*of_parse)(const struct device_node *, u32 *, u32 *); -+ void (*enable)(void __iomem *, u32, unsigned); -+ void (*fixup)(void __iomem *, u32, struct outer_cache_fns *); -+ void (*save)(void __iomem *); -+ struct outer_cache_fns outer_cache; -+}; -+ - #define CACHE_LINE_SIZE 32 - - static void __iomem *l2x0_base; -@@ -36,96 +51,116 @@ - static u32 l2x0_size; - static unsigned long sync_reg_offset = L2X0_CACHE_SYNC; - --/* Aurora don't have the cache ID register available, so we have to -- * pass it though the device tree */ --static u32 cache_id_part_number_from_dt; -- - struct l2x0_regs l2x0_saved_regs; - --struct l2x0_of_data { -- void (*setup)(const struct device_node *, u32 *, u32 *); -- void (*save)(void); -- struct outer_cache_fns outer_cache; --}; -- --static bool of_init = false; -- --static inline void cache_wait_way(void __iomem *reg, unsigned long mask) -+/* -+ * Common code for all cache controllers. -+ */ -+static inline void l2c_wait_mask(void __iomem *reg, unsigned long mask) - { - /* wait for cache operation by line or way to complete */ - while (readl_relaxed(reg) & mask) - cpu_relax(); - } - --#ifdef CONFIG_CACHE_PL310 --static inline void cache_wait(void __iomem *reg, unsigned long mask) -+/* -+ * By default, we write directly to secure registers. Platforms must -+ * override this if they are running non-secure. -+ */ -+static void l2c_write_sec(unsigned long val, void __iomem *base, unsigned reg) - { -- /* cache operations by line are atomic on PL310 */ -+ if (val == readl_relaxed(base + reg)) -+ return; -+ if (outer_cache.write_sec) -+ outer_cache.write_sec(val, reg); -+ else -+ writel_relaxed(val, base + reg); - } --#else --#define cache_wait cache_wait_way --#endif - --static inline void cache_sync(void) -+/* -+ * This should only be called when we have a requirement that the -+ * register be written due to a work-around, as platforms running -+ * in non-secure mode may not be able to access this register. -+ */ -+static inline void l2c_set_debug(void __iomem *base, unsigned long val) - { -- void __iomem *base = l2x0_base; -- -- writel_relaxed(0, base + sync_reg_offset); -- cache_wait(base + L2X0_CACHE_SYNC, 1); -+ l2c_write_sec(val, base, L2X0_DEBUG_CTRL); - } - --static inline void l2x0_clean_line(unsigned long addr) -+static void __l2c_op_way(void __iomem *reg) - { -- void __iomem *base = l2x0_base; -- cache_wait(base + L2X0_CLEAN_LINE_PA, 1); -- writel_relaxed(addr, base + L2X0_CLEAN_LINE_PA); -+ writel_relaxed(l2x0_way_mask, reg); -+ l2c_wait_mask(reg, l2x0_way_mask); - } - --static inline void l2x0_inv_line(unsigned long addr) -+static inline void l2c_unlock(void __iomem *base, unsigned num) - { -- void __iomem *base = l2x0_base; -- cache_wait(base + L2X0_INV_LINE_PA, 1); -- writel_relaxed(addr, base + L2X0_INV_LINE_PA); -+ unsigned i; -+ -+ for (i = 0; i < num; i++) { -+ writel_relaxed(0, base + L2X0_LOCKDOWN_WAY_D_BASE + -+ i * L2X0_LOCKDOWN_STRIDE); -+ writel_relaxed(0, base + L2X0_LOCKDOWN_WAY_I_BASE + -+ i * L2X0_LOCKDOWN_STRIDE); -+ } - } - --#if defined(CONFIG_PL310_ERRATA_588369) || defined(CONFIG_PL310_ERRATA_727915) --static inline void debug_writel(unsigned long val) -+/* -+ * Enable the L2 cache controller. This function must only be -+ * called when the cache controller is known to be disabled. -+ */ -+static void l2c_enable(void __iomem *base, u32 aux, unsigned num_lock) - { -- if (outer_cache.set_debug) -- outer_cache.set_debug(val); -+ unsigned long flags; -+ -+ l2c_write_sec(aux, base, L2X0_AUX_CTRL); -+ -+ l2c_unlock(base, num_lock); -+ -+ local_irq_save(flags); -+ __l2c_op_way(base + L2X0_INV_WAY); -+ writel_relaxed(0, base + sync_reg_offset); -+ l2c_wait_mask(base + sync_reg_offset, 1); -+ local_irq_restore(flags); -+ -+ l2c_write_sec(L2X0_CTRL_EN, base, L2X0_CTRL); - } - --static void pl310_set_debug(unsigned long val) -+static void l2c_disable(void) - { -- writel_relaxed(val, l2x0_base + L2X0_DEBUG_CTRL); -+ void __iomem *base = l2x0_base; -+ -+ outer_cache.flush_all(); -+ l2c_write_sec(0, base, L2X0_CTRL); -+ dsb(st); - } --#else --/* Optimised out for non-errata case */ --static inline void debug_writel(unsigned long val) -+ -+#ifdef CONFIG_CACHE_PL310 -+static inline void cache_wait(void __iomem *reg, unsigned long mask) - { -+ /* cache operations by line are atomic on PL310 */ - } -- --#define pl310_set_debug NULL -+#else -+#define cache_wait l2c_wait_mask - #endif - --#ifdef CONFIG_PL310_ERRATA_588369 --static inline void l2x0_flush_line(unsigned long addr) -+static inline void cache_sync(void) - { - void __iomem *base = l2x0_base; - -- /* Clean by PA followed by Invalidate by PA */ -- cache_wait(base + L2X0_CLEAN_LINE_PA, 1); -- writel_relaxed(addr, base + L2X0_CLEAN_LINE_PA); -- cache_wait(base + L2X0_INV_LINE_PA, 1); -- writel_relaxed(addr, base + L2X0_INV_LINE_PA); -+ writel_relaxed(0, base + sync_reg_offset); -+ cache_wait(base + L2X0_CACHE_SYNC, 1); - } --#else - --static inline void l2x0_flush_line(unsigned long addr) -+#if defined(CONFIG_PL310_ERRATA_588369) || defined(CONFIG_PL310_ERRATA_727915) -+static inline void debug_writel(unsigned long val) -+{ -+ l2c_set_debug(l2x0_base, val); -+} -+#else -+/* Optimised out for non-errata case */ -+static inline void debug_writel(unsigned long val) - { -- void __iomem *base = l2x0_base; -- cache_wait(base + L2X0_CLEAN_INV_LINE_PA, 1); -- writel_relaxed(addr, base + L2X0_CLEAN_INV_LINE_PA); - } - #endif - -@@ -141,8 +176,7 @@ - static void __l2x0_flush_all(void) - { - debug_writel(0x03); -- writel_relaxed(l2x0_way_mask, l2x0_base + L2X0_CLEAN_INV_WAY); -- cache_wait_way(l2x0_base + L2X0_CLEAN_INV_WAY, l2x0_way_mask); -+ __l2c_op_way(l2x0_base + L2X0_CLEAN_INV_WAY); - cache_sync(); - debug_writel(0x00); - } -@@ -157,274 +191,882 @@ - raw_spin_unlock_irqrestore(&l2x0_lock, flags); - } - --static void l2x0_clean_all(void) -+static void l2x0_disable(void) - { - unsigned long flags; - -- /* clean all ways */ - raw_spin_lock_irqsave(&l2x0_lock, flags); -- writel_relaxed(l2x0_way_mask, l2x0_base + L2X0_CLEAN_WAY); -- cache_wait_way(l2x0_base + L2X0_CLEAN_WAY, l2x0_way_mask); -- cache_sync(); -+ __l2x0_flush_all(); -+ l2c_write_sec(0, l2x0_base, L2X0_CTRL); -+ dsb(st); - raw_spin_unlock_irqrestore(&l2x0_lock, flags); - } - --static void l2x0_inv_all(void) -+static void l2c_save(void __iomem *base) - { -- unsigned long flags; -+ l2x0_saved_regs.aux_ctrl = readl_relaxed(l2x0_base + L2X0_AUX_CTRL); -+} - -- /* invalidate all ways */ -- raw_spin_lock_irqsave(&l2x0_lock, flags); -- /* Invalidating when L2 is enabled is a nono */ -- BUG_ON(readl(l2x0_base + L2X0_CTRL) & L2X0_CTRL_EN); -- writel_relaxed(l2x0_way_mask, l2x0_base + L2X0_INV_WAY); -- cache_wait_way(l2x0_base + L2X0_INV_WAY, l2x0_way_mask); -- cache_sync(); -- raw_spin_unlock_irqrestore(&l2x0_lock, flags); -+/* -+ * L2C-210 specific code. -+ * -+ * The L2C-2x0 PA, set/way and sync operations are atomic, but we must -+ * ensure that no background operation is running. The way operations -+ * are all background tasks. -+ * -+ * While a background operation is in progress, any new operation is -+ * ignored (unspecified whether this causes an error.) Thankfully, not -+ * used on SMP. -+ * -+ * Never has a different sync register other than L2X0_CACHE_SYNC, but -+ * we use sync_reg_offset here so we can share some of this with L2C-310. -+ */ -+static void __l2c210_cache_sync(void __iomem *base) -+{ -+ writel_relaxed(0, base + sync_reg_offset); - } - --static void l2x0_inv_range(unsigned long start, unsigned long end) -+static void __l2c210_op_pa_range(void __iomem *reg, unsigned long start, -+ unsigned long end) -+{ -+ while (start < end) { -+ writel_relaxed(start, reg); -+ start += CACHE_LINE_SIZE; -+ } -+} -+ -+static void l2c210_inv_range(unsigned long start, unsigned long end) - { - void __iomem *base = l2x0_base; -- unsigned long flags; - -- raw_spin_lock_irqsave(&l2x0_lock, flags); - if (start & (CACHE_LINE_SIZE - 1)) { - start &= ~(CACHE_LINE_SIZE - 1); -- debug_writel(0x03); -- l2x0_flush_line(start); -- debug_writel(0x00); -+ writel_relaxed(start, base + L2X0_CLEAN_INV_LINE_PA); - start += CACHE_LINE_SIZE; - } - - if (end & (CACHE_LINE_SIZE - 1)) { - end &= ~(CACHE_LINE_SIZE - 1); -- debug_writel(0x03); -- l2x0_flush_line(end); -- debug_writel(0x00); -+ writel_relaxed(end, base + L2X0_CLEAN_INV_LINE_PA); - } - -+ __l2c210_op_pa_range(base + L2X0_INV_LINE_PA, start, end); -+ __l2c210_cache_sync(base); -+} -+ -+static void l2c210_clean_range(unsigned long start, unsigned long end) -+{ -+ void __iomem *base = l2x0_base; -+ -+ start &= ~(CACHE_LINE_SIZE - 1); -+ __l2c210_op_pa_range(base + L2X0_CLEAN_LINE_PA, start, end); -+ __l2c210_cache_sync(base); -+} -+ -+static void l2c210_flush_range(unsigned long start, unsigned long end) -+{ -+ void __iomem *base = l2x0_base; -+ -+ start &= ~(CACHE_LINE_SIZE - 1); -+ __l2c210_op_pa_range(base + L2X0_CLEAN_INV_LINE_PA, start, end); -+ __l2c210_cache_sync(base); -+} -+ -+static void l2c210_flush_all(void) -+{ -+ void __iomem *base = l2x0_base; -+ -+ BUG_ON(!irqs_disabled()); -+ -+ __l2c_op_way(base + L2X0_CLEAN_INV_WAY); -+ __l2c210_cache_sync(base); -+} -+ -+static void l2c210_sync(void) -+{ -+ __l2c210_cache_sync(l2x0_base); -+} -+ -+static void l2c210_resume(void) -+{ -+ void __iomem *base = l2x0_base; -+ -+ if (!(readl_relaxed(base + L2X0_CTRL) & L2X0_CTRL_EN)) -+ l2c_enable(base, l2x0_saved_regs.aux_ctrl, 1); -+} -+ -+static const struct l2c_init_data l2c210_data __initconst = { -+ .type = "L2C-210", -+ .way_size_0 = SZ_8K, -+ .num_lock = 1, -+ .enable = l2c_enable, -+ .save = l2c_save, -+ .outer_cache = { -+ .inv_range = l2c210_inv_range, -+ .clean_range = l2c210_clean_range, -+ .flush_range = l2c210_flush_range, -+ .flush_all = l2c210_flush_all, -+ .disable = l2c_disable, -+ .sync = l2c210_sync, -+ .resume = l2c210_resume, -+ }, -+}; -+ -+/* -+ * L2C-220 specific code. -+ * -+ * All operations are background operations: they have to be waited for. -+ * Conflicting requests generate a slave error (which will cause an -+ * imprecise abort.) Never uses sync_reg_offset, so we hard-code the -+ * sync register here. -+ * -+ * However, we can re-use the l2c210_resume call. -+ */ -+static inline void __l2c220_cache_sync(void __iomem *base) -+{ -+ writel_relaxed(0, base + L2X0_CACHE_SYNC); -+ l2c_wait_mask(base + L2X0_CACHE_SYNC, 1); -+} -+ -+static void l2c220_op_way(void __iomem *base, unsigned reg) -+{ -+ unsigned long flags; -+ -+ raw_spin_lock_irqsave(&l2x0_lock, flags); -+ __l2c_op_way(base + reg); -+ __l2c220_cache_sync(base); -+ raw_spin_unlock_irqrestore(&l2x0_lock, flags); -+} -+ -+static unsigned long l2c220_op_pa_range(void __iomem *reg, unsigned long start, -+ unsigned long end, unsigned long flags) -+{ -+ raw_spinlock_t *lock = &l2x0_lock; -+ - while (start < end) { - unsigned long blk_end = start + min(end - start, 4096UL); - - while (start < blk_end) { -- l2x0_inv_line(start); -+ l2c_wait_mask(reg, 1); -+ writel_relaxed(start, reg); - start += CACHE_LINE_SIZE; - } - - if (blk_end < end) { -- raw_spin_unlock_irqrestore(&l2x0_lock, flags); -- raw_spin_lock_irqsave(&l2x0_lock, flags); -+ raw_spin_unlock_irqrestore(lock, flags); -+ raw_spin_lock_irqsave(lock, flags); - } - } -- cache_wait(base + L2X0_INV_LINE_PA, 1); -- cache_sync(); -- raw_spin_unlock_irqrestore(&l2x0_lock, flags); -+ -+ return flags; - } - --static void l2x0_clean_range(unsigned long start, unsigned long end) -+static void l2c220_inv_range(unsigned long start, unsigned long end) - { - void __iomem *base = l2x0_base; - unsigned long flags; - -- if ((end - start) >= l2x0_size) { -- l2x0_clean_all(); -- return; -- } -- - raw_spin_lock_irqsave(&l2x0_lock, flags); -- start &= ~(CACHE_LINE_SIZE - 1); -- while (start < end) { -- unsigned long blk_end = start + min(end - start, 4096UL); -- -- while (start < blk_end) { -- l2x0_clean_line(start); -+ if ((start | end) & (CACHE_LINE_SIZE - 1)) { -+ if (start & (CACHE_LINE_SIZE - 1)) { -+ start &= ~(CACHE_LINE_SIZE - 1); -+ writel_relaxed(start, base + L2X0_CLEAN_INV_LINE_PA); - start += CACHE_LINE_SIZE; - } - -- if (blk_end < end) { -- raw_spin_unlock_irqrestore(&l2x0_lock, flags); -- raw_spin_lock_irqsave(&l2x0_lock, flags); -+ if (end & (CACHE_LINE_SIZE - 1)) { -+ end &= ~(CACHE_LINE_SIZE - 1); -+ l2c_wait_mask(base + L2X0_CLEAN_INV_LINE_PA, 1); -+ writel_relaxed(end, base + L2X0_CLEAN_INV_LINE_PA); - } - } -- cache_wait(base + L2X0_CLEAN_LINE_PA, 1); -- cache_sync(); -+ -+ flags = l2c220_op_pa_range(base + L2X0_INV_LINE_PA, -+ start, end, flags); -+ l2c_wait_mask(base + L2X0_INV_LINE_PA, 1); -+ __l2c220_cache_sync(base); - raw_spin_unlock_irqrestore(&l2x0_lock, flags); - } - --static void l2x0_flush_range(unsigned long start, unsigned long end) -+static void l2c220_clean_range(unsigned long start, unsigned long end) - { - void __iomem *base = l2x0_base; - unsigned long flags; - -+ start &= ~(CACHE_LINE_SIZE - 1); - if ((end - start) >= l2x0_size) { -- l2x0_flush_all(); -+ l2c220_op_way(base, L2X0_CLEAN_WAY); - return; - } - - raw_spin_lock_irqsave(&l2x0_lock, flags); -+ flags = l2c220_op_pa_range(base + L2X0_CLEAN_LINE_PA, -+ start, end, flags); -+ l2c_wait_mask(base + L2X0_CLEAN_INV_LINE_PA, 1); -+ __l2c220_cache_sync(base); -+ raw_spin_unlock_irqrestore(&l2x0_lock, flags); -+} -+ -+static void l2c220_flush_range(unsigned long start, unsigned long end) -+{ -+ void __iomem *base = l2x0_base; -+ unsigned long flags; -+ - start &= ~(CACHE_LINE_SIZE - 1); -+ if ((end - start) >= l2x0_size) { -+ l2c220_op_way(base, L2X0_CLEAN_INV_WAY); -+ return; -+ } -+ -+ raw_spin_lock_irqsave(&l2x0_lock, flags); -+ flags = l2c220_op_pa_range(base + L2X0_CLEAN_INV_LINE_PA, -+ start, end, flags); -+ l2c_wait_mask(base + L2X0_CLEAN_INV_LINE_PA, 1); -+ __l2c220_cache_sync(base); -+ raw_spin_unlock_irqrestore(&l2x0_lock, flags); -+} -+ -+static void l2c220_flush_all(void) -+{ -+ l2c220_op_way(l2x0_base, L2X0_CLEAN_INV_WAY); -+} -+ -+static void l2c220_sync(void) -+{ -+ unsigned long flags; -+ -+ raw_spin_lock_irqsave(&l2x0_lock, flags); -+ __l2c220_cache_sync(l2x0_base); -+ raw_spin_unlock_irqrestore(&l2x0_lock, flags); -+} -+ -+static void l2c220_enable(void __iomem *base, u32 aux, unsigned num_lock) -+{ -+ /* -+ * Always enable non-secure access to the lockdown registers - -+ * we write to them as part of the L2C enable sequence so they -+ * need to be accessible. -+ */ -+ aux |= L220_AUX_CTRL_NS_LOCKDOWN; -+ -+ l2c_enable(base, aux, num_lock); -+} -+ -+static const struct l2c_init_data l2c220_data = { -+ .type = "L2C-220", -+ .way_size_0 = SZ_8K, -+ .num_lock = 1, -+ .enable = l2c220_enable, -+ .save = l2c_save, -+ .outer_cache = { -+ .inv_range = l2c220_inv_range, -+ .clean_range = l2c220_clean_range, -+ .flush_range = l2c220_flush_range, -+ .flush_all = l2c220_flush_all, -+ .disable = l2c_disable, -+ .sync = l2c220_sync, -+ .resume = l2c210_resume, -+ }, -+}; -+ -+/* -+ * L2C-310 specific code. -+ * -+ * Very similar to L2C-210, the PA, set/way and sync operations are atomic, -+ * and the way operations are all background tasks. However, issuing an -+ * operation while a background operation is in progress results in a -+ * SLVERR response. We can reuse: -+ * -+ * __l2c210_cache_sync (using sync_reg_offset) -+ * l2c210_sync -+ * l2c210_inv_range (if 588369 is not applicable) -+ * l2c210_clean_range -+ * l2c210_flush_range (if 588369 is not applicable) -+ * l2c210_flush_all (if 727915 is not applicable) -+ * -+ * Errata: -+ * 588369: PL310 R0P0->R1P0, fixed R2P0. -+ * Affects: all clean+invalidate operations -+ * clean and invalidate skips the invalidate step, so we need to issue -+ * separate operations. We also require the above debug workaround -+ * enclosing this code fragment on affected parts. On unaffected parts, -+ * we must not use this workaround without the debug register writes -+ * to avoid exposing a problem similar to 727915. -+ * -+ * 727915: PL310 R2P0->R3P0, fixed R3P1. -+ * Affects: clean+invalidate by way -+ * clean and invalidate by way runs in the background, and a store can -+ * hit the line between the clean operation and invalidate operation, -+ * resulting in the store being lost. -+ * -+ * 752271: PL310 R3P0->R3P1-50REL0, fixed R3P2. -+ * Affects: 8x64-bit (double fill) line fetches -+ * double fill line fetches can fail to cause dirty data to be evicted -+ * from the cache before the new data overwrites the second line. -+ * -+ * 753970: PL310 R3P0, fixed R3P1. -+ * Affects: sync -+ * prevents merging writes after the sync operation, until another L2C -+ * operation is performed (or a number of other conditions.) -+ * -+ * 769419: PL310 R0P0->R3P1, fixed R3P2. -+ * Affects: store buffer -+ * store buffer is not automatically drained. -+ */ -+static void l2c310_inv_range_erratum(unsigned long start, unsigned long end) -+{ -+ void __iomem *base = l2x0_base; -+ -+ if ((start | end) & (CACHE_LINE_SIZE - 1)) { -+ unsigned long flags; -+ -+ /* Erratum 588369 for both clean+invalidate operations */ -+ raw_spin_lock_irqsave(&l2x0_lock, flags); -+ l2c_set_debug(base, 0x03); -+ -+ if (start & (CACHE_LINE_SIZE - 1)) { -+ start &= ~(CACHE_LINE_SIZE - 1); -+ writel_relaxed(start, base + L2X0_CLEAN_LINE_PA); -+ writel_relaxed(start, base + L2X0_INV_LINE_PA); -+ start += CACHE_LINE_SIZE; -+ } -+ -+ if (end & (CACHE_LINE_SIZE - 1)) { -+ end &= ~(CACHE_LINE_SIZE - 1); -+ writel_relaxed(end, base + L2X0_CLEAN_LINE_PA); -+ writel_relaxed(end, base + L2X0_INV_LINE_PA); -+ } -+ -+ l2c_set_debug(base, 0x00); -+ raw_spin_unlock_irqrestore(&l2x0_lock, flags); -+ } -+ -+ __l2c210_op_pa_range(base + L2X0_INV_LINE_PA, start, end); -+ __l2c210_cache_sync(base); -+} -+ -+static void l2c310_flush_range_erratum(unsigned long start, unsigned long end) -+{ -+ raw_spinlock_t *lock = &l2x0_lock; -+ unsigned long flags; -+ void __iomem *base = l2x0_base; -+ -+ raw_spin_lock_irqsave(lock, flags); - while (start < end) { - unsigned long blk_end = start + min(end - start, 4096UL); - -- debug_writel(0x03); -+ l2c_set_debug(base, 0x03); - while (start < blk_end) { -- l2x0_flush_line(start); -+ writel_relaxed(start, base + L2X0_CLEAN_LINE_PA); -+ writel_relaxed(start, base + L2X0_INV_LINE_PA); - start += CACHE_LINE_SIZE; - } -- debug_writel(0x00); -+ l2c_set_debug(base, 0x00); - - if (blk_end < end) { -- raw_spin_unlock_irqrestore(&l2x0_lock, flags); -- raw_spin_lock_irqsave(&l2x0_lock, flags); -+ raw_spin_unlock_irqrestore(lock, flags); -+ raw_spin_lock_irqsave(lock, flags); - } - } -- cache_wait(base + L2X0_CLEAN_INV_LINE_PA, 1); -- cache_sync(); -- raw_spin_unlock_irqrestore(&l2x0_lock, flags); -+ raw_spin_unlock_irqrestore(lock, flags); -+ __l2c210_cache_sync(base); - } - --static void l2x0_disable(void) -+static void l2c310_flush_all_erratum(void) - { -+ void __iomem *base = l2x0_base; - unsigned long flags; - - raw_spin_lock_irqsave(&l2x0_lock, flags); -- __l2x0_flush_all(); -- writel_relaxed(0, l2x0_base + L2X0_CTRL); -- dsb(st); -+ l2c_set_debug(base, 0x03); -+ __l2c_op_way(base + L2X0_CLEAN_INV_WAY); -+ l2c_set_debug(base, 0x00); -+ __l2c210_cache_sync(base); - raw_spin_unlock_irqrestore(&l2x0_lock, flags); - } - --static void l2x0_unlock(u32 cache_id) -+static void __init l2c310_save(void __iomem *base) - { -- int lockregs; -- int i; -+ unsigned revision; - -- switch (cache_id & L2X0_CACHE_ID_PART_MASK) { -- case L2X0_CACHE_ID_PART_L310: -- lockregs = 8; -- break; -- case AURORA_CACHE_ID: -- lockregs = 4; -+ l2c_save(base); -+ -+ l2x0_saved_regs.tag_latency = readl_relaxed(base + -+ L310_TAG_LATENCY_CTRL); -+ l2x0_saved_regs.data_latency = readl_relaxed(base + -+ L310_DATA_LATENCY_CTRL); -+ l2x0_saved_regs.filter_end = readl_relaxed(base + -+ L310_ADDR_FILTER_END); -+ l2x0_saved_regs.filter_start = readl_relaxed(base + -+ L310_ADDR_FILTER_START); -+ -+ revision = readl_relaxed(base + L2X0_CACHE_ID) & -+ L2X0_CACHE_ID_RTL_MASK; -+ -+ /* From r2p0, there is Prefetch offset/control register */ -+ if (revision >= L310_CACHE_ID_RTL_R2P0) -+ l2x0_saved_regs.prefetch_ctrl = readl_relaxed(base + -+ L310_PREFETCH_CTRL); -+ -+ /* From r3p0, there is Power control register */ -+ if (revision >= L310_CACHE_ID_RTL_R3P0) -+ l2x0_saved_regs.pwr_ctrl = readl_relaxed(base + -+ L310_POWER_CTRL); -+} -+ -+static void l2c310_resume(void) -+{ -+ void __iomem *base = l2x0_base; -+ -+ if (!(readl_relaxed(base + L2X0_CTRL) & L2X0_CTRL_EN)) { -+ unsigned revision; -+ -+ /* restore pl310 setup */ -+ writel_relaxed(l2x0_saved_regs.tag_latency, -+ base + L310_TAG_LATENCY_CTRL); -+ writel_relaxed(l2x0_saved_regs.data_latency, -+ base + L310_DATA_LATENCY_CTRL); -+ writel_relaxed(l2x0_saved_regs.filter_end, -+ base + L310_ADDR_FILTER_END); -+ writel_relaxed(l2x0_saved_regs.filter_start, -+ base + L310_ADDR_FILTER_START); -+ -+ revision = readl_relaxed(base + L2X0_CACHE_ID) & -+ L2X0_CACHE_ID_RTL_MASK; -+ -+ if (revision >= L310_CACHE_ID_RTL_R2P0) -+ l2c_write_sec(l2x0_saved_regs.prefetch_ctrl, base, -+ L310_PREFETCH_CTRL); -+ if (revision >= L310_CACHE_ID_RTL_R3P0) -+ l2c_write_sec(l2x0_saved_regs.pwr_ctrl, base, -+ L310_POWER_CTRL); -+ -+ l2c_enable(base, l2x0_saved_regs.aux_ctrl, 8); -+ -+ /* Re-enable full-line-of-zeros for Cortex-A9 */ -+ if (l2x0_saved_regs.aux_ctrl & L310_AUX_CTRL_FULL_LINE_ZERO) -+ set_auxcr(get_auxcr() | BIT(3) | BIT(2) | BIT(1)); -+ } -+} -+ -+static int l2c310_cpu_enable_flz(struct notifier_block *nb, unsigned long act, void *data) -+{ -+ switch (act & ~CPU_TASKS_FROZEN) { -+ case CPU_STARTING: -+ set_auxcr(get_auxcr() | BIT(3) | BIT(2) | BIT(1)); - break; -- default: -- /* L210 and unknown types */ -- lockregs = 1; -+ case CPU_DYING: -+ set_auxcr(get_auxcr() & ~(BIT(3) | BIT(2) | BIT(1))); - break; - } -+ return NOTIFY_OK; -+} - -- for (i = 0; i < lockregs; i++) { -- writel_relaxed(0x0, l2x0_base + L2X0_LOCKDOWN_WAY_D_BASE + -- i * L2X0_LOCKDOWN_STRIDE); -- writel_relaxed(0x0, l2x0_base + L2X0_LOCKDOWN_WAY_I_BASE + -- i * L2X0_LOCKDOWN_STRIDE); -+static void __init l2c310_enable(void __iomem *base, u32 aux, unsigned num_lock) -+{ -+ unsigned rev = readl_relaxed(base + L2X0_CACHE_ID) & L2X0_CACHE_ID_PART_MASK; -+ bool cortex_a9 = read_cpuid_part_number() == ARM_CPU_PART_CORTEX_A9; -+ -+ if (rev >= L310_CACHE_ID_RTL_R2P0) { -+ if (cortex_a9) { -+ aux |= L310_AUX_CTRL_EARLY_BRESP; -+ pr_info("L2C-310 enabling early BRESP for Cortex-A9\n"); -+ } else if (aux & L310_AUX_CTRL_EARLY_BRESP) { -+ pr_warn("L2C-310 early BRESP only supported with Cortex-A9\n"); -+ aux &= ~L310_AUX_CTRL_EARLY_BRESP; -+ } -+ } -+ -+ if (cortex_a9) { -+ u32 aux_cur = readl_relaxed(base + L2X0_AUX_CTRL); -+ u32 acr = get_auxcr(); -+ -+ pr_debug("Cortex-A9 ACR=0x%08x\n", acr); -+ -+ if (acr & BIT(3) && !(aux_cur & L310_AUX_CTRL_FULL_LINE_ZERO)) -+ pr_err("L2C-310: full line of zeros enabled in Cortex-A9 but not L2C-310 - invalid\n"); -+ -+ if (aux & L310_AUX_CTRL_FULL_LINE_ZERO && !(acr & BIT(3))) -+ pr_err("L2C-310: enabling full line of zeros but not enabled in Cortex-A9\n"); -+ -+ if (!(aux & L310_AUX_CTRL_FULL_LINE_ZERO) && !outer_cache.write_sec) { -+ aux |= L310_AUX_CTRL_FULL_LINE_ZERO; -+ pr_info("L2C-310 full line of zeros enabled for Cortex-A9\n"); -+ } -+ } else if (aux & (L310_AUX_CTRL_FULL_LINE_ZERO | L310_AUX_CTRL_EARLY_BRESP)) { -+ pr_err("L2C-310: disabling Cortex-A9 specific feature bits\n"); -+ aux &= ~(L310_AUX_CTRL_FULL_LINE_ZERO | L310_AUX_CTRL_EARLY_BRESP); -+ } -+ -+ if (aux & (L310_AUX_CTRL_DATA_PREFETCH | L310_AUX_CTRL_INSTR_PREFETCH)) { -+ u32 prefetch = readl_relaxed(base + L310_PREFETCH_CTRL); -+ -+ pr_info("L2C-310 %s%s prefetch enabled, offset %u lines\n", -+ aux & L310_AUX_CTRL_INSTR_PREFETCH ? "I" : "", -+ aux & L310_AUX_CTRL_DATA_PREFETCH ? "D" : "", -+ 1 + (prefetch & L310_PREFETCH_CTRL_OFFSET_MASK)); -+ } -+ -+ /* r3p0 or later has power control register */ -+ if (rev >= L310_CACHE_ID_RTL_R3P0) { -+ u32 power_ctrl; -+ -+ l2c_write_sec(L310_DYNAMIC_CLK_GATING_EN | L310_STNDBY_MODE_EN, -+ base, L310_POWER_CTRL); -+ power_ctrl = readl_relaxed(base + L310_POWER_CTRL); -+ pr_info("L2C-310 dynamic clock gating %sabled, standby mode %sabled\n", -+ power_ctrl & L310_DYNAMIC_CLK_GATING_EN ? "en" : "dis", -+ power_ctrl & L310_STNDBY_MODE_EN ? "en" : "dis"); -+ } -+ -+ /* -+ * Always enable non-secure access to the lockdown registers - -+ * we write to them as part of the L2C enable sequence so they -+ * need to be accessible. -+ */ -+ aux |= L310_AUX_CTRL_NS_LOCKDOWN; -+ -+ l2c_enable(base, aux, num_lock); -+ -+ if (aux & L310_AUX_CTRL_FULL_LINE_ZERO) { -+ set_auxcr(get_auxcr() | BIT(3) | BIT(2) | BIT(1)); -+ cpu_notifier(l2c310_cpu_enable_flz, 0); - } - } - --void __init l2x0_init(void __iomem *base, u32 aux_val, u32 aux_mask) -+static void __init l2c310_fixup(void __iomem *base, u32 cache_id, -+ struct outer_cache_fns *fns) - { -- u32 aux; -- u32 cache_id; -- u32 way_size = 0; -- int ways; -- int way_size_shift = L2X0_WAY_SIZE_SHIFT; -- const char *type; -+ unsigned revision = cache_id & L2X0_CACHE_ID_RTL_MASK; -+ const char *errata[8]; -+ unsigned n = 0; - -- l2x0_base = base; -- if (cache_id_part_number_from_dt) -- cache_id = cache_id_part_number_from_dt; -- else -- cache_id = readl_relaxed(l2x0_base + L2X0_CACHE_ID); -- aux = readl_relaxed(l2x0_base + L2X0_AUX_CTRL); -+ if (IS_ENABLED(CONFIG_PL310_ERRATA_588369) && -+ revision < L310_CACHE_ID_RTL_R2P0 && -+ /* For bcm compatibility */ -+ fns->inv_range == l2c210_inv_range) { -+ fns->inv_range = l2c310_inv_range_erratum; -+ fns->flush_range = l2c310_flush_range_erratum; -+ errata[n++] = "588369"; -+ } -+ -+ if (IS_ENABLED(CONFIG_PL310_ERRATA_727915) && -+ revision >= L310_CACHE_ID_RTL_R2P0 && -+ revision < L310_CACHE_ID_RTL_R3P1) { -+ fns->flush_all = l2c310_flush_all_erratum; -+ errata[n++] = "727915"; -+ } -+ -+ if (revision >= L310_CACHE_ID_RTL_R3P0 && -+ revision < L310_CACHE_ID_RTL_R3P2) { -+ u32 val = readl_relaxed(base + L310_PREFETCH_CTRL); -+ /* I don't think bit23 is required here... but iMX6 does so */ -+ if (val & (BIT(30) | BIT(23))) { -+ val &= ~(BIT(30) | BIT(23)); -+ l2c_write_sec(val, base, L310_PREFETCH_CTRL); -+ errata[n++] = "752271"; -+ } -+ } -+ -+ if (IS_ENABLED(CONFIG_PL310_ERRATA_753970) && -+ revision == L310_CACHE_ID_RTL_R3P0) { -+ sync_reg_offset = L2X0_DUMMY_REG; -+ errata[n++] = "753970"; -+ } -+ -+ if (IS_ENABLED(CONFIG_PL310_ERRATA_769419)) -+ errata[n++] = "769419"; -+ -+ if (n) { -+ unsigned i; -+ -+ pr_info("L2C-310 errat%s", n > 1 ? "a" : "um"); -+ for (i = 0; i < n; i++) -+ pr_cont(" %s", errata[i]); -+ pr_cont(" enabled\n"); -+ } -+} -+ -+static void l2c310_disable(void) -+{ -+ /* -+ * If full-line-of-zeros is enabled, we must first disable it in the -+ * Cortex-A9 auxiliary control register before disabling the L2 cache. -+ */ -+ if (l2x0_saved_regs.aux_ctrl & L310_AUX_CTRL_FULL_LINE_ZERO) -+ set_auxcr(get_auxcr() & ~(BIT(3) | BIT(2) | BIT(1))); - -+ l2c_disable(); -+} -+ -+static const struct l2c_init_data l2c310_init_fns __initconst = { -+ .type = "L2C-310", -+ .way_size_0 = SZ_8K, -+ .num_lock = 8, -+ .enable = l2c310_enable, -+ .fixup = l2c310_fixup, -+ .save = l2c310_save, -+ .outer_cache = { -+ .inv_range = l2c210_inv_range, -+ .clean_range = l2c210_clean_range, -+ .flush_range = l2c210_flush_range, -+ .flush_all = l2c210_flush_all, -+ .disable = l2c310_disable, -+ .sync = l2c210_sync, -+ .resume = l2c310_resume, -+ }, -+}; -+ -+static void __init __l2c_init(const struct l2c_init_data *data, -+ u32 aux_val, u32 aux_mask, u32 cache_id) -+{ -+ struct outer_cache_fns fns; -+ unsigned way_size_bits, ways; -+ u32 aux, old_aux; -+ -+ /* -+ * Sanity check the aux values. aux_mask is the bits we preserve -+ * from reading the hardware register, and aux_val is the bits we -+ * set. -+ */ -+ if (aux_val & aux_mask) -+ pr_alert("L2C: platform provided aux values permit register corruption.\n"); -+ -+ old_aux = aux = readl_relaxed(l2x0_base + L2X0_AUX_CTRL); - aux &= aux_mask; - aux |= aux_val; - -+ if (old_aux != aux) -+ pr_warn("L2C: DT/platform modifies aux control register: 0x%08x -> 0x%08x\n", -+ old_aux, aux); -+ - /* Determine the number of ways */ - switch (cache_id & L2X0_CACHE_ID_PART_MASK) { - case L2X0_CACHE_ID_PART_L310: -+ if ((aux_val | ~aux_mask) & (L2C_AUX_CTRL_WAY_SIZE_MASK | L310_AUX_CTRL_ASSOCIATIVITY_16)) -+ pr_warn("L2C: DT/platform tries to modify or specify cache size\n"); - if (aux & (1 << 16)) - ways = 16; - else - ways = 8; -- type = "L310"; --#ifdef CONFIG_PL310_ERRATA_753970 -- /* Unmapped register. */ -- sync_reg_offset = L2X0_DUMMY_REG; --#endif -- if ((cache_id & L2X0_CACHE_ID_RTL_MASK) <= L2X0_CACHE_ID_RTL_R3P0) -- outer_cache.set_debug = pl310_set_debug; - break; -+ - case L2X0_CACHE_ID_PART_L210: -+ case L2X0_CACHE_ID_PART_L220: - ways = (aux >> 13) & 0xf; -- type = "L210"; - break; - - case AURORA_CACHE_ID: -- sync_reg_offset = AURORA_SYNC_REG; - ways = (aux >> 13) & 0xf; - ways = 2 << ((ways + 1) >> 2); -- way_size_shift = AURORA_WAY_SIZE_SHIFT; -- type = "Aurora"; - break; -+ - default: - /* Assume unknown chips have 8 ways */ - ways = 8; -- type = "L2x0 series"; - break; - } - - l2x0_way_mask = (1 << ways) - 1; - - /* -- * L2 cache Size = Way size * Number of ways -+ * way_size_0 is the size that a way_size value of zero would be -+ * given the calculation: way_size = way_size_0 << way_size_bits. -+ * So, if way_size_bits=0 is reserved, but way_size_bits=1 is 16k, -+ * then way_size_0 would be 8k. -+ * -+ * L2 cache size = number of ways * way size. -+ */ -+ way_size_bits = (aux & L2C_AUX_CTRL_WAY_SIZE_MASK) >> -+ L2C_AUX_CTRL_WAY_SIZE_SHIFT; -+ l2x0_size = ways * (data->way_size_0 << way_size_bits); -+ -+ fns = data->outer_cache; -+ fns.write_sec = outer_cache.write_sec; -+ if (data->fixup) -+ data->fixup(l2x0_base, cache_id, &fns); -+ -+ /* -+ * Check if l2x0 controller is already enabled. If we are booting -+ * in non-secure mode accessing the below registers will fault. - */ -- way_size = (aux & L2X0_AUX_CTRL_WAY_SIZE_MASK) >> 17; -- way_size = 1 << (way_size + way_size_shift); -+ if (!(readl_relaxed(l2x0_base + L2X0_CTRL) & L2X0_CTRL_EN)) -+ data->enable(l2x0_base, aux, data->num_lock); - -- l2x0_size = ways * way_size * SZ_1K; -+ outer_cache = fns; - - /* -- * Check if l2x0 controller is already enabled. -- * If you are booting from non-secure mode -- * accessing the below registers will fault. -+ * It is strange to save the register state before initialisation, -+ * but hey, this is what the DT implementations decided to do. - */ -- if (!(readl_relaxed(l2x0_base + L2X0_CTRL) & L2X0_CTRL_EN)) { -- /* Make sure that I&D is not locked down when starting */ -- l2x0_unlock(cache_id); -+ if (data->save) -+ data->save(l2x0_base); -+ -+ /* Re-read it in case some bits are reserved. */ -+ aux = readl_relaxed(l2x0_base + L2X0_AUX_CTRL); -+ -+ pr_info("%s cache controller enabled, %d ways, %d kB\n", -+ data->type, ways, l2x0_size >> 10); -+ pr_info("%s: CACHE_ID 0x%08x, AUX_CTRL 0x%08x\n", -+ data->type, cache_id, aux); -+} - -- /* l2x0 controller is disabled */ -- writel_relaxed(aux, l2x0_base + L2X0_AUX_CTRL); -+void __init l2x0_init(void __iomem *base, u32 aux_val, u32 aux_mask) -+{ -+ const struct l2c_init_data *data; -+ u32 cache_id; - -- l2x0_inv_all(); -+ l2x0_base = base; - -- /* enable L2X0 */ -- writel_relaxed(L2X0_CTRL_EN, l2x0_base + L2X0_CTRL); -+ cache_id = readl_relaxed(base + L2X0_CACHE_ID); -+ -+ switch (cache_id & L2X0_CACHE_ID_PART_MASK) { -+ default: -+ case L2X0_CACHE_ID_PART_L210: -+ data = &l2c210_data; -+ break; -+ -+ case L2X0_CACHE_ID_PART_L220: -+ data = &l2c220_data; -+ break; -+ -+ case L2X0_CACHE_ID_PART_L310: -+ data = &l2c310_init_fns; -+ break; - } - -- /* Re-read it in case some bits are reserved. */ -- aux = readl_relaxed(l2x0_base + L2X0_AUX_CTRL); -+ __l2c_init(data, aux_val, aux_mask, cache_id); -+} -+ -+#ifdef CONFIG_OF -+static int l2_wt_override; -+ -+/* Aurora don't have the cache ID register available, so we have to -+ * pass it though the device tree */ -+static u32 cache_id_part_number_from_dt; -+ -+static void __init l2x0_of_parse(const struct device_node *np, -+ u32 *aux_val, u32 *aux_mask) -+{ -+ u32 data[2] = { 0, 0 }; -+ u32 tag = 0; -+ u32 dirty = 0; -+ u32 val = 0, mask = 0; -+ -+ of_property_read_u32(np, "arm,tag-latency", &tag); -+ if (tag) { -+ mask |= L2X0_AUX_CTRL_TAG_LATENCY_MASK; -+ val |= (tag - 1) << L2X0_AUX_CTRL_TAG_LATENCY_SHIFT; -+ } -+ -+ of_property_read_u32_array(np, "arm,data-latency", -+ data, ARRAY_SIZE(data)); -+ if (data[0] && data[1]) { -+ mask |= L2X0_AUX_CTRL_DATA_RD_LATENCY_MASK | -+ L2X0_AUX_CTRL_DATA_WR_LATENCY_MASK; -+ val |= ((data[0] - 1) << L2X0_AUX_CTRL_DATA_RD_LATENCY_SHIFT) | -+ ((data[1] - 1) << L2X0_AUX_CTRL_DATA_WR_LATENCY_SHIFT); -+ } -+ -+ of_property_read_u32(np, "arm,dirty-latency", &dirty); -+ if (dirty) { -+ mask |= L2X0_AUX_CTRL_DIRTY_LATENCY_MASK; -+ val |= (dirty - 1) << L2X0_AUX_CTRL_DIRTY_LATENCY_SHIFT; -+ } - -- /* Save the value for resuming. */ -- l2x0_saved_regs.aux_ctrl = aux; -+ *aux_val &= ~mask; -+ *aux_val |= val; -+ *aux_mask &= ~mask; -+} -+ -+static const struct l2c_init_data of_l2c210_data __initconst = { -+ .type = "L2C-210", -+ .way_size_0 = SZ_8K, -+ .num_lock = 1, -+ .of_parse = l2x0_of_parse, -+ .enable = l2c_enable, -+ .save = l2c_save, -+ .outer_cache = { -+ .inv_range = l2c210_inv_range, -+ .clean_range = l2c210_clean_range, -+ .flush_range = l2c210_flush_range, -+ .flush_all = l2c210_flush_all, -+ .disable = l2c_disable, -+ .sync = l2c210_sync, -+ .resume = l2c210_resume, -+ }, -+}; -+ -+static const struct l2c_init_data of_l2c220_data __initconst = { -+ .type = "L2C-220", -+ .way_size_0 = SZ_8K, -+ .num_lock = 1, -+ .of_parse = l2x0_of_parse, -+ .enable = l2c220_enable, -+ .save = l2c_save, -+ .outer_cache = { -+ .inv_range = l2c220_inv_range, -+ .clean_range = l2c220_clean_range, -+ .flush_range = l2c220_flush_range, -+ .flush_all = l2c220_flush_all, -+ .disable = l2c_disable, -+ .sync = l2c220_sync, -+ .resume = l2c210_resume, -+ }, -+}; -+ -+static void __init l2c310_of_parse(const struct device_node *np, -+ u32 *aux_val, u32 *aux_mask) -+{ -+ u32 data[3] = { 0, 0, 0 }; -+ u32 tag[3] = { 0, 0, 0 }; -+ u32 filter[2] = { 0, 0 }; -+ -+ of_property_read_u32_array(np, "arm,tag-latency", tag, ARRAY_SIZE(tag)); -+ if (tag[0] && tag[1] && tag[2]) -+ writel_relaxed( -+ L310_LATENCY_CTRL_RD(tag[0] - 1) | -+ L310_LATENCY_CTRL_WR(tag[1] - 1) | -+ L310_LATENCY_CTRL_SETUP(tag[2] - 1), -+ l2x0_base + L310_TAG_LATENCY_CTRL); -+ -+ of_property_read_u32_array(np, "arm,data-latency", -+ data, ARRAY_SIZE(data)); -+ if (data[0] && data[1] && data[2]) -+ writel_relaxed( -+ L310_LATENCY_CTRL_RD(data[0] - 1) | -+ L310_LATENCY_CTRL_WR(data[1] - 1) | -+ L310_LATENCY_CTRL_SETUP(data[2] - 1), -+ l2x0_base + L310_DATA_LATENCY_CTRL); - -- if (!of_init) { -- outer_cache.inv_range = l2x0_inv_range; -- outer_cache.clean_range = l2x0_clean_range; -- outer_cache.flush_range = l2x0_flush_range; -- outer_cache.sync = l2x0_cache_sync; -- outer_cache.flush_all = l2x0_flush_all; -- outer_cache.inv_all = l2x0_inv_all; -- outer_cache.disable = l2x0_disable; -- } -- -- pr_info("%s cache controller enabled\n", type); -- pr_info("l2x0: %d ways, CACHE_ID 0x%08x, AUX_CTRL 0x%08x, Cache size: %d kB\n", -- ways, cache_id, aux, l2x0_size >> 10); -+ of_property_read_u32_array(np, "arm,filter-ranges", -+ filter, ARRAY_SIZE(filter)); -+ if (filter[1]) { -+ writel_relaxed(ALIGN(filter[0] + filter[1], SZ_1M), -+ l2x0_base + L310_ADDR_FILTER_END); -+ writel_relaxed((filter[0] & ~(SZ_1M - 1)) | L310_ADDR_FILTER_EN, -+ l2x0_base + L310_ADDR_FILTER_START); -+ } - } - --#ifdef CONFIG_OF --static int l2_wt_override; -+static const struct l2c_init_data of_l2c310_data __initconst = { -+ .type = "L2C-310", -+ .way_size_0 = SZ_8K, -+ .num_lock = 8, -+ .of_parse = l2c310_of_parse, -+ .enable = l2c310_enable, -+ .fixup = l2c310_fixup, -+ .save = l2c310_save, -+ .outer_cache = { -+ .inv_range = l2c210_inv_range, -+ .clean_range = l2c210_clean_range, -+ .flush_range = l2c210_flush_range, -+ .flush_all = l2c210_flush_all, -+ .disable = l2c310_disable, -+ .sync = l2c210_sync, -+ .resume = l2c310_resume, -+ }, -+}; - - /* - * Note that the end addresses passed to Linux primitives are -@@ -524,6 +1166,100 @@ - } - } - -+static void aurora_save(void __iomem *base) -+{ -+ l2x0_saved_regs.ctrl = readl_relaxed(base + L2X0_CTRL); -+ l2x0_saved_regs.aux_ctrl = readl_relaxed(base + L2X0_AUX_CTRL); -+} -+ -+static void aurora_resume(void) -+{ -+ void __iomem *base = l2x0_base; -+ -+ if (!(readl(base + L2X0_CTRL) & L2X0_CTRL_EN)) { -+ writel_relaxed(l2x0_saved_regs.aux_ctrl, base + L2X0_AUX_CTRL); -+ writel_relaxed(l2x0_saved_regs.ctrl, base + L2X0_CTRL); -+ } -+} -+ -+/* -+ * For Aurora cache in no outer mode, enable via the CP15 coprocessor -+ * broadcasting of cache commands to L2. -+ */ -+static void __init aurora_enable_no_outer(void __iomem *base, u32 aux, -+ unsigned num_lock) -+{ -+ u32 u; -+ -+ asm volatile("mrc p15, 1, %0, c15, c2, 0" : "=r" (u)); -+ u |= AURORA_CTRL_FW; /* Set the FW bit */ -+ asm volatile("mcr p15, 1, %0, c15, c2, 0" : : "r" (u)); -+ -+ isb(); -+ -+ l2c_enable(base, aux, num_lock); -+} -+ -+static void __init aurora_fixup(void __iomem *base, u32 cache_id, -+ struct outer_cache_fns *fns) -+{ -+ sync_reg_offset = AURORA_SYNC_REG; -+} -+ -+static void __init aurora_of_parse(const struct device_node *np, -+ u32 *aux_val, u32 *aux_mask) -+{ -+ u32 val = AURORA_ACR_REPLACEMENT_TYPE_SEMIPLRU; -+ u32 mask = AURORA_ACR_REPLACEMENT_MASK; -+ -+ of_property_read_u32(np, "cache-id-part", -+ &cache_id_part_number_from_dt); -+ -+ /* Determine and save the write policy */ -+ l2_wt_override = of_property_read_bool(np, "wt-override"); -+ -+ if (l2_wt_override) { -+ val |= AURORA_ACR_FORCE_WRITE_THRO_POLICY; -+ mask |= AURORA_ACR_FORCE_WRITE_POLICY_MASK; -+ } -+ -+ *aux_val &= ~mask; -+ *aux_val |= val; -+ *aux_mask &= ~mask; -+} -+ -+static const struct l2c_init_data of_aurora_with_outer_data __initconst = { -+ .type = "Aurora", -+ .way_size_0 = SZ_4K, -+ .num_lock = 4, -+ .of_parse = aurora_of_parse, -+ .enable = l2c_enable, -+ .fixup = aurora_fixup, -+ .save = aurora_save, -+ .outer_cache = { -+ .inv_range = aurora_inv_range, -+ .clean_range = aurora_clean_range, -+ .flush_range = aurora_flush_range, -+ .flush_all = l2x0_flush_all, -+ .disable = l2x0_disable, -+ .sync = l2x0_cache_sync, -+ .resume = aurora_resume, -+ }, -+}; -+ -+static const struct l2c_init_data of_aurora_no_outer_data __initconst = { -+ .type = "Aurora", -+ .way_size_0 = SZ_4K, -+ .num_lock = 4, -+ .of_parse = aurora_of_parse, -+ .enable = aurora_enable_no_outer, -+ .fixup = aurora_fixup, -+ .save = aurora_save, -+ .outer_cache = { -+ .resume = aurora_resume, -+ }, -+}; -+ - /* - * For certain Broadcom SoCs, depending on the address range, different offsets - * need to be added to the address before passing it to L2 for -@@ -588,16 +1324,16 @@ - - /* normal case, no cross section between start and end */ - if (likely(bcm_addr_is_sys_emi(end) || !bcm_addr_is_sys_emi(start))) { -- l2x0_inv_range(new_start, new_end); -+ l2c210_inv_range(new_start, new_end); - return; - } - - /* They cross sections, so it can only be a cross from section - * 2 to section 3 - */ -- l2x0_inv_range(new_start, -+ l2c210_inv_range(new_start, - bcm_l2_phys_addr(BCM_VC_EMI_SEC3_START_ADDR-1)); -- l2x0_inv_range(bcm_l2_phys_addr(BCM_VC_EMI_SEC3_START_ADDR), -+ l2c210_inv_range(bcm_l2_phys_addr(BCM_VC_EMI_SEC3_START_ADDR), - new_end); - } - -@@ -610,26 +1346,21 @@ - if (unlikely(end <= start)) - return; - -- if ((end - start) >= l2x0_size) { -- l2x0_clean_all(); -- return; -- } -- - new_start = bcm_l2_phys_addr(start); - new_end = bcm_l2_phys_addr(end); - - /* normal case, no cross section between start and end */ - if (likely(bcm_addr_is_sys_emi(end) || !bcm_addr_is_sys_emi(start))) { -- l2x0_clean_range(new_start, new_end); -+ l2c210_clean_range(new_start, new_end); - return; - } - - /* They cross sections, so it can only be a cross from section - * 2 to section 3 - */ -- l2x0_clean_range(new_start, -+ l2c210_clean_range(new_start, - bcm_l2_phys_addr(BCM_VC_EMI_SEC3_START_ADDR-1)); -- l2x0_clean_range(bcm_l2_phys_addr(BCM_VC_EMI_SEC3_START_ADDR), -+ l2c210_clean_range(bcm_l2_phys_addr(BCM_VC_EMI_SEC3_START_ADDR), - new_end); - } - -@@ -643,7 +1374,7 @@ - return; - - if ((end - start) >= l2x0_size) { -- l2x0_flush_all(); -+ outer_cache.flush_all(); - return; - } - -@@ -652,283 +1383,67 @@ - - /* normal case, no cross section between start and end */ - if (likely(bcm_addr_is_sys_emi(end) || !bcm_addr_is_sys_emi(start))) { -- l2x0_flush_range(new_start, new_end); -+ l2c210_flush_range(new_start, new_end); - return; - } - - /* They cross sections, so it can only be a cross from section - * 2 to section 3 - */ -- l2x0_flush_range(new_start, -+ l2c210_flush_range(new_start, - bcm_l2_phys_addr(BCM_VC_EMI_SEC3_START_ADDR-1)); -- l2x0_flush_range(bcm_l2_phys_addr(BCM_VC_EMI_SEC3_START_ADDR), -+ l2c210_flush_range(bcm_l2_phys_addr(BCM_VC_EMI_SEC3_START_ADDR), - new_end); - } - --static void __init l2x0_of_setup(const struct device_node *np, -- u32 *aux_val, u32 *aux_mask) --{ -- u32 data[2] = { 0, 0 }; -- u32 tag = 0; -- u32 dirty = 0; -- u32 val = 0, mask = 0; -- -- of_property_read_u32(np, "arm,tag-latency", &tag); -- if (tag) { -- mask |= L2X0_AUX_CTRL_TAG_LATENCY_MASK; -- val |= (tag - 1) << L2X0_AUX_CTRL_TAG_LATENCY_SHIFT; -- } -- -- of_property_read_u32_array(np, "arm,data-latency", -- data, ARRAY_SIZE(data)); -- if (data[0] && data[1]) { -- mask |= L2X0_AUX_CTRL_DATA_RD_LATENCY_MASK | -- L2X0_AUX_CTRL_DATA_WR_LATENCY_MASK; -- val |= ((data[0] - 1) << L2X0_AUX_CTRL_DATA_RD_LATENCY_SHIFT) | -- ((data[1] - 1) << L2X0_AUX_CTRL_DATA_WR_LATENCY_SHIFT); -- } -- -- of_property_read_u32(np, "arm,dirty-latency", &dirty); -- if (dirty) { -- mask |= L2X0_AUX_CTRL_DIRTY_LATENCY_MASK; -- val |= (dirty - 1) << L2X0_AUX_CTRL_DIRTY_LATENCY_SHIFT; -- } -- -- *aux_val &= ~mask; -- *aux_val |= val; -- *aux_mask &= ~mask; --} -- --static void __init pl310_of_setup(const struct device_node *np, -- u32 *aux_val, u32 *aux_mask) --{ -- u32 data[3] = { 0, 0, 0 }; -- u32 tag[3] = { 0, 0, 0 }; -- u32 filter[2] = { 0, 0 }; -- -- of_property_read_u32_array(np, "arm,tag-latency", tag, ARRAY_SIZE(tag)); -- if (tag[0] && tag[1] && tag[2]) -- writel_relaxed( -- ((tag[0] - 1) << L2X0_LATENCY_CTRL_RD_SHIFT) | -- ((tag[1] - 1) << L2X0_LATENCY_CTRL_WR_SHIFT) | -- ((tag[2] - 1) << L2X0_LATENCY_CTRL_SETUP_SHIFT), -- l2x0_base + L2X0_TAG_LATENCY_CTRL); -- -- of_property_read_u32_array(np, "arm,data-latency", -- data, ARRAY_SIZE(data)); -- if (data[0] && data[1] && data[2]) -- writel_relaxed( -- ((data[0] - 1) << L2X0_LATENCY_CTRL_RD_SHIFT) | -- ((data[1] - 1) << L2X0_LATENCY_CTRL_WR_SHIFT) | -- ((data[2] - 1) << L2X0_LATENCY_CTRL_SETUP_SHIFT), -- l2x0_base + L2X0_DATA_LATENCY_CTRL); -- -- of_property_read_u32_array(np, "arm,filter-ranges", -- filter, ARRAY_SIZE(filter)); -- if (filter[1]) { -- writel_relaxed(ALIGN(filter[0] + filter[1], SZ_1M), -- l2x0_base + L2X0_ADDR_FILTER_END); -- writel_relaxed((filter[0] & ~(SZ_1M - 1)) | L2X0_ADDR_FILTER_EN, -- l2x0_base + L2X0_ADDR_FILTER_START); -- } --} -- --static void __init pl310_save(void) --{ -- u32 l2x0_revision = readl_relaxed(l2x0_base + L2X0_CACHE_ID) & -- L2X0_CACHE_ID_RTL_MASK; -- -- l2x0_saved_regs.tag_latency = readl_relaxed(l2x0_base + -- L2X0_TAG_LATENCY_CTRL); -- l2x0_saved_regs.data_latency = readl_relaxed(l2x0_base + -- L2X0_DATA_LATENCY_CTRL); -- l2x0_saved_regs.filter_end = readl_relaxed(l2x0_base + -- L2X0_ADDR_FILTER_END); -- l2x0_saved_regs.filter_start = readl_relaxed(l2x0_base + -- L2X0_ADDR_FILTER_START); -- -- if (l2x0_revision >= L2X0_CACHE_ID_RTL_R2P0) { -- /* -- * From r2p0, there is Prefetch offset/control register -- */ -- l2x0_saved_regs.prefetch_ctrl = readl_relaxed(l2x0_base + -- L2X0_PREFETCH_CTRL); -- /* -- * From r3p0, there is Power control register -- */ -- if (l2x0_revision >= L2X0_CACHE_ID_RTL_R3P0) -- l2x0_saved_regs.pwr_ctrl = readl_relaxed(l2x0_base + -- L2X0_POWER_CTRL); -- } --} -+/* Broadcom L2C-310 start from ARMs R3P2 or later, and require no fixups */ -+static const struct l2c_init_data of_bcm_l2x0_data __initconst = { -+ .type = "BCM-L2C-310", -+ .way_size_0 = SZ_8K, -+ .num_lock = 8, -+ .of_parse = l2c310_of_parse, -+ .enable = l2c310_enable, -+ .save = l2c310_save, -+ .outer_cache = { -+ .inv_range = bcm_inv_range, -+ .clean_range = bcm_clean_range, -+ .flush_range = bcm_flush_range, -+ .flush_all = l2c210_flush_all, -+ .disable = l2c310_disable, -+ .sync = l2c210_sync, -+ .resume = l2c310_resume, -+ }, -+}; - --static void aurora_save(void) -+static void __init tauros3_save(void __iomem *base) - { -- l2x0_saved_regs.ctrl = readl_relaxed(l2x0_base + L2X0_CTRL); -- l2x0_saved_regs.aux_ctrl = readl_relaxed(l2x0_base + L2X0_AUX_CTRL); --} -+ l2c_save(base); - --static void __init tauros3_save(void) --{ - l2x0_saved_regs.aux2_ctrl = -- readl_relaxed(l2x0_base + TAUROS3_AUX2_CTRL); -+ readl_relaxed(base + TAUROS3_AUX2_CTRL); - l2x0_saved_regs.prefetch_ctrl = -- readl_relaxed(l2x0_base + L2X0_PREFETCH_CTRL); --} -- --static void l2x0_resume(void) --{ -- if (!(readl_relaxed(l2x0_base + L2X0_CTRL) & L2X0_CTRL_EN)) { -- /* restore aux ctrl and enable l2 */ -- l2x0_unlock(readl_relaxed(l2x0_base + L2X0_CACHE_ID)); -- -- writel_relaxed(l2x0_saved_regs.aux_ctrl, l2x0_base + -- L2X0_AUX_CTRL); -- -- l2x0_inv_all(); -- -- writel_relaxed(L2X0_CTRL_EN, l2x0_base + L2X0_CTRL); -- } --} -- --static void pl310_resume(void) --{ -- u32 l2x0_revision; -- -- if (!(readl_relaxed(l2x0_base + L2X0_CTRL) & L2X0_CTRL_EN)) { -- /* restore pl310 setup */ -- writel_relaxed(l2x0_saved_regs.tag_latency, -- l2x0_base + L2X0_TAG_LATENCY_CTRL); -- writel_relaxed(l2x0_saved_regs.data_latency, -- l2x0_base + L2X0_DATA_LATENCY_CTRL); -- writel_relaxed(l2x0_saved_regs.filter_end, -- l2x0_base + L2X0_ADDR_FILTER_END); -- writel_relaxed(l2x0_saved_regs.filter_start, -- l2x0_base + L2X0_ADDR_FILTER_START); -- -- l2x0_revision = readl_relaxed(l2x0_base + L2X0_CACHE_ID) & -- L2X0_CACHE_ID_RTL_MASK; -- -- if (l2x0_revision >= L2X0_CACHE_ID_RTL_R2P0) { -- writel_relaxed(l2x0_saved_regs.prefetch_ctrl, -- l2x0_base + L2X0_PREFETCH_CTRL); -- if (l2x0_revision >= L2X0_CACHE_ID_RTL_R3P0) -- writel_relaxed(l2x0_saved_regs.pwr_ctrl, -- l2x0_base + L2X0_POWER_CTRL); -- } -- } -- -- l2x0_resume(); --} -- --static void aurora_resume(void) --{ -- if (!(readl(l2x0_base + L2X0_CTRL) & L2X0_CTRL_EN)) { -- writel_relaxed(l2x0_saved_regs.aux_ctrl, -- l2x0_base + L2X0_AUX_CTRL); -- writel_relaxed(l2x0_saved_regs.ctrl, l2x0_base + L2X0_CTRL); -- } -+ readl_relaxed(base + L310_PREFETCH_CTRL); - } - - static void tauros3_resume(void) - { -- if (!(readl_relaxed(l2x0_base + L2X0_CTRL) & L2X0_CTRL_EN)) { -+ void __iomem *base = l2x0_base; -+ -+ if (!(readl_relaxed(base + L2X0_CTRL) & L2X0_CTRL_EN)) { - writel_relaxed(l2x0_saved_regs.aux2_ctrl, -- l2x0_base + TAUROS3_AUX2_CTRL); -+ base + TAUROS3_AUX2_CTRL); - writel_relaxed(l2x0_saved_regs.prefetch_ctrl, -- l2x0_base + L2X0_PREFETCH_CTRL); -- } -- -- l2x0_resume(); --} -- --static void __init aurora_broadcast_l2_commands(void) --{ -- __u32 u; -- /* Enable Broadcasting of cache commands to L2*/ -- __asm__ __volatile__("mrc p15, 1, %0, c15, c2, 0" : "=r"(u)); -- u |= AURORA_CTRL_FW; /* Set the FW bit */ -- __asm__ __volatile__("mcr p15, 1, %0, c15, c2, 0\n" : : "r"(u)); -- isb(); --} -- --static void __init aurora_of_setup(const struct device_node *np, -- u32 *aux_val, u32 *aux_mask) --{ -- u32 val = AURORA_ACR_REPLACEMENT_TYPE_SEMIPLRU; -- u32 mask = AURORA_ACR_REPLACEMENT_MASK; -+ base + L310_PREFETCH_CTRL); - -- of_property_read_u32(np, "cache-id-part", -- &cache_id_part_number_from_dt); -- -- /* Determine and save the write policy */ -- l2_wt_override = of_property_read_bool(np, "wt-override"); -- -- if (l2_wt_override) { -- val |= AURORA_ACR_FORCE_WRITE_THRO_POLICY; -- mask |= AURORA_ACR_FORCE_WRITE_POLICY_MASK; -+ l2c_enable(base, l2x0_saved_regs.aux_ctrl, 8); - } -- -- *aux_val &= ~mask; -- *aux_val |= val; -- *aux_mask &= ~mask; - } - --static const struct l2x0_of_data pl310_data = { -- .setup = pl310_of_setup, -- .save = pl310_save, -- .outer_cache = { -- .resume = pl310_resume, -- .inv_range = l2x0_inv_range, -- .clean_range = l2x0_clean_range, -- .flush_range = l2x0_flush_range, -- .sync = l2x0_cache_sync, -- .flush_all = l2x0_flush_all, -- .inv_all = l2x0_inv_all, -- .disable = l2x0_disable, -- }, --}; -- --static const struct l2x0_of_data l2x0_data = { -- .setup = l2x0_of_setup, -- .save = NULL, -- .outer_cache = { -- .resume = l2x0_resume, -- .inv_range = l2x0_inv_range, -- .clean_range = l2x0_clean_range, -- .flush_range = l2x0_flush_range, -- .sync = l2x0_cache_sync, -- .flush_all = l2x0_flush_all, -- .inv_all = l2x0_inv_all, -- .disable = l2x0_disable, -- }, --}; -- --static const struct l2x0_of_data aurora_with_outer_data = { -- .setup = aurora_of_setup, -- .save = aurora_save, -- .outer_cache = { -- .resume = aurora_resume, -- .inv_range = aurora_inv_range, -- .clean_range = aurora_clean_range, -- .flush_range = aurora_flush_range, -- .sync = l2x0_cache_sync, -- .flush_all = l2x0_flush_all, -- .inv_all = l2x0_inv_all, -- .disable = l2x0_disable, -- }, --}; -- --static const struct l2x0_of_data aurora_no_outer_data = { -- .setup = aurora_of_setup, -- .save = aurora_save, -- .outer_cache = { -- .resume = aurora_resume, -- }, --}; -- --static const struct l2x0_of_data tauros3_data = { -- .setup = NULL, -+static const struct l2c_init_data of_tauros3_data __initconst = { -+ .type = "Tauros3", -+ .way_size_0 = SZ_8K, -+ .num_lock = 8, -+ .enable = l2c_enable, - .save = tauros3_save, - /* Tauros3 broadcasts L1 cache operations to L2 */ - .outer_cache = { -@@ -936,43 +1451,26 @@ - }, - }; - --static const struct l2x0_of_data bcm_l2x0_data = { -- .setup = pl310_of_setup, -- .save = pl310_save, -- .outer_cache = { -- .resume = pl310_resume, -- .inv_range = bcm_inv_range, -- .clean_range = bcm_clean_range, -- .flush_range = bcm_flush_range, -- .sync = l2x0_cache_sync, -- .flush_all = l2x0_flush_all, -- .inv_all = l2x0_inv_all, -- .disable = l2x0_disable, -- }, --}; -- -+#define L2C_ID(name, fns) { .compatible = name, .data = (void *)&fns } - static const struct of_device_id l2x0_ids[] __initconst = { -- { .compatible = "arm,l210-cache", .data = (void *)&l2x0_data }, -- { .compatible = "arm,l220-cache", .data = (void *)&l2x0_data }, -- { .compatible = "arm,pl310-cache", .data = (void *)&pl310_data }, -- { .compatible = "bcm,bcm11351-a2-pl310-cache", /* deprecated name */ -- .data = (void *)&bcm_l2x0_data}, -- { .compatible = "brcm,bcm11351-a2-pl310-cache", -- .data = (void *)&bcm_l2x0_data}, -- { .compatible = "marvell,aurora-outer-cache", -- .data = (void *)&aurora_with_outer_data}, -- { .compatible = "marvell,aurora-system-cache", -- .data = (void *)&aurora_no_outer_data}, -- { .compatible = "marvell,tauros3-cache", -- .data = (void *)&tauros3_data }, -+ L2C_ID("arm,l210-cache", of_l2c210_data), -+ L2C_ID("arm,l220-cache", of_l2c220_data), -+ L2C_ID("arm,pl310-cache", of_l2c310_data), -+ L2C_ID("brcm,bcm11351-a2-pl310-cache", of_bcm_l2x0_data), -+ L2C_ID("marvell,aurora-outer-cache", of_aurora_with_outer_data), -+ L2C_ID("marvell,aurora-system-cache", of_aurora_no_outer_data), -+ L2C_ID("marvell,tauros3-cache", of_tauros3_data), -+ /* Deprecated IDs */ -+ L2C_ID("bcm,bcm11351-a2-pl310-cache", of_bcm_l2x0_data), - {} - }; - - int __init l2x0_of_init(u32 aux_val, u32 aux_mask) - { -+ const struct l2c_init_data *data; - struct device_node *np; -- const struct l2x0_of_data *data; - struct resource res; -+ u32 cache_id, old_aux; - - np = of_find_matching_node(NULL, l2x0_ids); - if (!np) -@@ -989,23 +1487,29 @@ - - data = of_match_node(l2x0_ids, np)->data; - -- /* L2 configuration can only be changed if the cache is disabled */ -- if (!(readl_relaxed(l2x0_base + L2X0_CTRL) & L2X0_CTRL_EN)) { -- if (data->setup) -- data->setup(np, &aux_val, &aux_mask); -- -- /* For aurora cache in no outer mode select the -- * correct mode using the coprocessor*/ -- if (data == &aurora_no_outer_data) -- aurora_broadcast_l2_commands(); -+ old_aux = readl_relaxed(l2x0_base + L2X0_AUX_CTRL); -+ if (old_aux != ((old_aux & aux_mask) | aux_val)) { -+ pr_warn("L2C: platform modifies aux control register: 0x%08x -> 0x%08x\n", -+ old_aux, (old_aux & aux_mask) | aux_val); -+ } else if (aux_mask != ~0U && aux_val != 0) { -+ pr_alert("L2C: platform provided aux values match the hardware, so have no effect. Please remove them.\n"); - } - -- if (data->save) -- data->save(); -+ /* All L2 caches are unified, so this property should be specified */ -+ if (!of_property_read_bool(np, "cache-unified")) -+ pr_err("L2C: device tree omits to specify unified cache\n"); -+ -+ /* L2 configuration can only be changed if the cache is disabled */ -+ if (!(readl_relaxed(l2x0_base + L2X0_CTRL) & L2X0_CTRL_EN)) -+ if (data->of_parse) -+ data->of_parse(np, &aux_val, &aux_mask); -+ -+ if (cache_id_part_number_from_dt) -+ cache_id = cache_id_part_number_from_dt; -+ else -+ cache_id = readl_relaxed(l2x0_base + L2X0_CACHE_ID); - -- of_init = true; -- memcpy(&outer_cache, &data->outer_cache, sizeof(outer_cache)); -- l2x0_init(l2x0_base, aux_val, aux_mask); -+ __l2c_init(data, aux_val, aux_mask, cache_id); - - return 0; - } -diff -Nur linux-3.15-rc6.orig/arch/arm/mm/Kconfig linux-3.15-rc6/arch/arm/mm/Kconfig ---- linux-3.15-rc6.orig/arch/arm/mm/Kconfig 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/arch/arm/mm/Kconfig 2014-05-23 11:26:48.280939953 +0200 -@@ -897,6 +897,57 @@ - This option enables optimisations for the PL310 cache - controller. - -+config PL310_ERRATA_588369 -+ bool "PL310 errata: Clean & Invalidate maintenance operations do not invalidate clean lines" -+ depends on CACHE_L2X0 -+ help -+ The PL310 L2 cache controller implements three types of Clean & -+ Invalidate maintenance operations: by Physical Address -+ (offset 0x7F0), by Index/Way (0x7F8) and by Way (0x7FC). -+ They are architecturally defined to behave as the execution of a -+ clean operation followed immediately by an invalidate operation, -+ both performing to the same memory location. This functionality -+ is not correctly implemented in PL310 as clean lines are not -+ invalidated as a result of these operations. -+ -+config PL310_ERRATA_727915 -+ bool "PL310 errata: Background Clean & Invalidate by Way operation can cause data corruption" -+ depends on CACHE_L2X0 -+ help -+ PL310 implements the Clean & Invalidate by Way L2 cache maintenance -+ operation (offset 0x7FC). This operation runs in background so that -+ PL310 can handle normal accesses while it is in progress. Under very -+ rare circumstances, due to this erratum, write data can be lost when -+ PL310 treats a cacheable write transaction during a Clean & -+ Invalidate by Way operation. -+ -+config PL310_ERRATA_753970 -+ bool "PL310 errata: cache sync operation may be faulty" -+ depends on CACHE_PL310 -+ help -+ This option enables the workaround for the 753970 PL310 (r3p0) erratum. -+ -+ Under some condition the effect of cache sync operation on -+ the store buffer still remains when the operation completes. -+ This means that the store buffer is always asked to drain and -+ this prevents it from merging any further writes. The workaround -+ is to replace the normal offset of cache sync operation (0x730) -+ by another offset targeting an unmapped PL310 register 0x740. -+ This has the same effect as the cache sync operation: store buffer -+ drain and waiting for all buffers empty. -+ -+config PL310_ERRATA_769419 -+ bool "PL310 errata: no automatic Store Buffer drain" -+ depends on CACHE_L2X0 -+ help -+ On revisions of the PL310 prior to r3p2, the Store Buffer does -+ not automatically drain. This can cause normal, non-cacheable -+ writes to be retained when the memory system is idle, leading -+ to suboptimal I/O performance for drivers using coherent DMA. -+ This option adds a write barrier to the cpu_idle loop so that, -+ on systems with an outer cache, the store buffer is drained -+ explicitly. -+ - config CACHE_TAUROS2 - bool "Enable the Tauros2 L2 cache controller" - depends on (ARCH_DOVE || ARCH_MMP || CPU_PJ4) -diff -Nur linux-3.15-rc6.orig/arch/arm/mm/l2c-common.c linux-3.15-rc6/arch/arm/mm/l2c-common.c ---- linux-3.15-rc6.orig/arch/arm/mm/l2c-common.c 1970-01-01 01:00:00.000000000 +0100 -+++ linux-3.15-rc6/arch/arm/mm/l2c-common.c 2014-05-23 11:26:48.284939966 +0200 -@@ -0,0 +1,20 @@ -+/* -+ * Copyright (C) 2010 ARM Ltd. -+ * Written by Catalin Marinas -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+#include -+#include -+#include -+ -+void outer_disable(void) -+{ -+ WARN_ON(!irqs_disabled()); -+ WARN_ON(num_online_cpus() > 1); -+ -+ if (outer_cache.disable) -+ outer_cache.disable(); -+} -diff -Nur linux-3.15-rc6.orig/arch/arm/mm/l2c-l2x0-resume.S linux-3.15-rc6/arch/arm/mm/l2c-l2x0-resume.S ---- linux-3.15-rc6.orig/arch/arm/mm/l2c-l2x0-resume.S 1970-01-01 01:00:00.000000000 +0100 -+++ linux-3.15-rc6/arch/arm/mm/l2c-l2x0-resume.S 2014-05-23 11:26:48.284939966 +0200 -@@ -0,0 +1,58 @@ -+/* -+ * L2C-310 early resume code. This can be used by platforms to restore -+ * the settings of their L2 cache controller before restoring the -+ * processor state. -+ * -+ * This code can only be used to if you are running in the secure world. -+ */ -+#include -+#include -+ -+ .text -+ -+ENTRY(l2c310_early_resume) -+ adr r0, 1f -+ ldr r2, [r0] -+ add r0, r2, r0 -+ -+ ldmia r0, {r1, r2, r3, r4, r5, r6, r7, r8} -+ @ r1 = phys address of L2C-310 controller -+ @ r2 = aux_ctrl -+ @ r3 = tag_latency -+ @ r4 = data_latency -+ @ r5 = filter_start -+ @ r6 = filter_end -+ @ r7 = prefetch_ctrl -+ @ r8 = pwr_ctrl -+ -+ @ Check that the address has been initialised -+ teq r1, #0 -+ moveq pc, lr -+ -+ @ The prefetch and power control registers are revision dependent -+ @ and can be written whether or not the L2 cache is enabled -+ ldr r0, [r1, #L2X0_CACHE_ID] -+ and r0, r0, #L2X0_CACHE_ID_RTL_MASK -+ cmp r0, #L310_CACHE_ID_RTL_R2P0 -+ strcs r7, [r1, #L310_PREFETCH_CTRL] -+ cmp r0, #L310_CACHE_ID_RTL_R3P0 -+ strcs r8, [r1, #L310_POWER_CTRL] -+ -+ @ Don't setup the L2 cache if it is already enabled -+ ldr r0, [r1, #L2X0_CTRL] -+ tst r0, #L2X0_CTRL_EN -+ movne pc, lr -+ -+ str r3, [r1, #L310_TAG_LATENCY_CTRL] -+ str r4, [r1, #L310_DATA_LATENCY_CTRL] -+ str r6, [r1, #L310_ADDR_FILTER_END] -+ str r5, [r1, #L310_ADDR_FILTER_START] -+ -+ str r2, [r1, #L2X0_AUX_CTRL] -+ mov r9, #L2X0_CTRL_EN -+ str r9, [r1, #L2X0_CTRL] -+ mov pc, lr -+ENDPROC(l2c310_early_resume) -+ -+ .align -+1: .long l2x0_saved_regs - . -diff -Nur linux-3.15-rc6.orig/arch/arm/mm/Makefile linux-3.15-rc6/arch/arm/mm/Makefile ---- linux-3.15-rc6.orig/arch/arm/mm/Makefile 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/arch/arm/mm/Makefile 2014-05-23 11:26:48.284939966 +0200 -@@ -95,7 +95,8 @@ - AFLAGS_proc-v6.o :=-Wa,-march=armv6 - AFLAGS_proc-v7.o :=-Wa,-march=armv7-a - -+obj-$(CONFIG_OUTER_CACHE) += l2c-common.o - obj-$(CONFIG_CACHE_FEROCEON_L2) += cache-feroceon-l2.o --obj-$(CONFIG_CACHE_L2X0) += cache-l2x0.o -+obj-$(CONFIG_CACHE_L2X0) += cache-l2x0.o l2c-l2x0-resume.o - obj-$(CONFIG_CACHE_XSC3L2) += cache-xsc3l2.o - obj-$(CONFIG_CACHE_TAUROS2) += cache-tauros2.o -diff -Nur linux-3.15-rc6.orig/arch/arm/plat-samsung/s5p-sleep.S linux-3.15-rc6/arch/arm/plat-samsung/s5p-sleep.S ---- linux-3.15-rc6.orig/arch/arm/plat-samsung/s5p-sleep.S 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/arch/arm/plat-samsung/s5p-sleep.S 2014-05-23 11:26:48.284939966 +0200 -@@ -22,7 +22,6 @@ - */ - - #include --#include - - .data - .align -diff -Nur linux-3.15-rc6.orig/Documentation/devicetree/bindings/leds/leds-pwm.txt linux-3.15-rc6/Documentation/devicetree/bindings/leds/leds-pwm.txt ---- linux-3.15-rc6.orig/Documentation/devicetree/bindings/leds/leds-pwm.txt 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/Documentation/devicetree/bindings/leds/leds-pwm.txt 2014-05-23 11:26:48.284939966 +0200 -@@ -13,6 +13,8 @@ - For the pwms and pwm-names property please refer to: - Documentation/devicetree/bindings/pwm/pwm.txt - - max-brightness : Maximum brightness possible for the LED -+- active-low : (optional) For PWMs where the LED is wired to supply -+ rather than ground. - - label : (optional) - see Documentation/devicetree/bindings/leds/common.txt - - linux,default-trigger : (optional) -diff -Nur linux-3.15-rc6.orig/Documentation/devicetree/bindings/mmc/mmc.txt linux-3.15-rc6/Documentation/devicetree/bindings/mmc/mmc.txt ---- linux-3.15-rc6.orig/Documentation/devicetree/bindings/mmc/mmc.txt 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/Documentation/devicetree/bindings/mmc/mmc.txt 2014-05-23 11:26:48.284939966 +0200 -@@ -5,6 +5,8 @@ - Interpreted by the OF core: - - reg: Registers location and length. - - interrupts: Interrupts used by the MMC controller. -+- clocks: Clocks needed for the host controller, if any. -+- clock-names: Goes with clocks above. - - Card detection: - If no property below is supplied, host native card detect is used. -@@ -39,6 +41,15 @@ - - mmc-hs200-1_8v: eMMC HS200 mode(1.8V I/O) is supported - - mmc-hs200-1_2v: eMMC HS200 mode(1.2V I/O) is supported - -+Card power and reset control: -+The following properties can be specified for cases where the MMC -+peripheral needs additional reset, regulator and clock lines. It is for -+example common for WiFi/BT adapters to have these separate from the main -+MMC bus: -+ - card-reset-gpios: Specify GPIOs for card reset (reset active low) -+ - card-external-vcc-supply: Regulator to drive (independent) card VCC -+ - clock with name "card_ext_clock": External clock provided to the card -+ - *NOTE* on CD and WP polarity. To use common for all SD/MMC host controllers line - polarity properties, we have to fix the meaning of the "normal" and "inverted" - line levels. We choose to follow the SDHCI standard, which specifies both those -diff -Nur linux-3.15-rc6.orig/Documentation/devicetree/bindings/staging/imx-drm/fsl-imx-drm.txt linux-3.15-rc6/Documentation/devicetree/bindings/staging/imx-drm/fsl-imx-drm.txt ---- linux-3.15-rc6.orig/Documentation/devicetree/bindings/staging/imx-drm/fsl-imx-drm.txt 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/Documentation/devicetree/bindings/staging/imx-drm/fsl-imx-drm.txt 2014-05-23 11:26:48.288939979 +0200 -@@ -60,7 +60,8 @@ - - compatible: Should be "fsl,imx-parallel-display" - Optional properties: - - interface_pix_fmt: How this display is connected to the -- display interface. Currently supported types: "rgb24", "rgb565", "bgr666" -+ display interface. Currently supported types: "rgb24", "rgb565", "bgr666", -+ "rgb666" - - edid: verbatim EDID data block describing attached display. - - ddc: phandle describing the i2c bus handling the display data - channel -diff -Nur linux-3.15-rc6.orig/Documentation/DocBook/media/v4l/pixfmt-packed-rgb.xml linux-3.15-rc6/Documentation/DocBook/media/v4l/pixfmt-packed-rgb.xml ---- linux-3.15-rc6.orig/Documentation/DocBook/media/v4l/pixfmt-packed-rgb.xml 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/Documentation/DocBook/media/v4l/pixfmt-packed-rgb.xml 2014-05-23 11:26:48.288939979 +0200 -@@ -279,6 +279,45 @@ - - - -+ -+ V4L2_PIX_FMT_RGB666 -+ 'RGBH' -+ -+ r5 -+ r4 -+ r3 -+ r2 -+ r1 -+ r0 -+ g5 -+ g4 -+ -+ g3 -+ g2 -+ g1 -+ g0 -+ b5 -+ b4 -+ b3 -+ b2 -+ -+ b1 -+ b0 -+ -+ -+ -+ -+ -+ -+ -+ -+ -+ -+ -+ -+ -+ -+ - - V4L2_PIX_FMT_BGR24 - 'BGR3' -diff -Nur linux-3.15-rc6.orig/drivers/ata/ahci_imx.c linux-3.15-rc6/drivers/ata/ahci_imx.c ---- linux-3.15-rc6.orig/drivers/ata/ahci_imx.c 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/drivers/ata/ahci_imx.c 2014-05-23 11:26:48.288939979 +0200 -@@ -62,6 +62,7 @@ - struct regmap *gpr; - bool no_device; - bool first_time; -+ u32 phy_params; - }; - - static int ahci_imx_hotplug; -@@ -246,14 +247,7 @@ - IMX6Q_GPR13_SATA_TX_LVL_MASK | - IMX6Q_GPR13_SATA_MPLL_CLK_EN | - IMX6Q_GPR13_SATA_TX_EDGE_RATE, -- IMX6Q_GPR13_SATA_RX_EQ_VAL_3_0_DB | -- IMX6Q_GPR13_SATA_RX_LOS_LVL_SATA2M | -- IMX6Q_GPR13_SATA_RX_DPLL_MODE_2P_4F | -- IMX6Q_GPR13_SATA_SPD_MODE_3P0G | -- IMX6Q_GPR13_SATA_MPLL_SS_EN | -- IMX6Q_GPR13_SATA_TX_ATTEN_9_16 | -- IMX6Q_GPR13_SATA_TX_BOOST_3_33_DB | -- IMX6Q_GPR13_SATA_TX_LVL_1_025_V); -+ imxpriv->phy_params); - regmap_update_bits(imxpriv->gpr, IOMUXC_GPR13, - IMX6Q_GPR13_SATA_MPLL_CLK_EN, - IMX6Q_GPR13_SATA_MPLL_CLK_EN); -@@ -324,6 +318,10 @@ - writel(reg_val | IMX_P0PHYCR_TEST_PDDQ, mmio + IMX_P0PHYCR); - imx_sata_disable(hpriv); - imxpriv->no_device = true; -+ -+ dev_info(ap->dev, "no device found, disabling link.\n"); -+ dev_info(ap->dev, "pass " MODULE_PARAM_PREFIX -+ ".hotplug=1 to enable hotplug\n"); - } - - static int ahci_imx_softreset(struct ata_link *link, unsigned int *class, -@@ -364,6 +362,165 @@ - }; - MODULE_DEVICE_TABLE(of, imx_ahci_of_match); - -+struct reg_value { -+ u32 of_value; -+ u32 reg_value; -+}; -+ -+struct reg_property { -+ const char *name; -+ const struct reg_value *values; -+ size_t num_values; -+ u32 def_value; -+ u32 set_value; -+}; -+ -+static const struct reg_value gpr13_tx_level[] = { -+ { 937, IMX6Q_GPR13_SATA_TX_LVL_0_937_V }, -+ { 947, IMX6Q_GPR13_SATA_TX_LVL_0_947_V }, -+ { 957, IMX6Q_GPR13_SATA_TX_LVL_0_957_V }, -+ { 966, IMX6Q_GPR13_SATA_TX_LVL_0_966_V }, -+ { 976, IMX6Q_GPR13_SATA_TX_LVL_0_976_V }, -+ { 986, IMX6Q_GPR13_SATA_TX_LVL_0_986_V }, -+ { 996, IMX6Q_GPR13_SATA_TX_LVL_0_996_V }, -+ { 1005, IMX6Q_GPR13_SATA_TX_LVL_1_005_V }, -+ { 1015, IMX6Q_GPR13_SATA_TX_LVL_1_015_V }, -+ { 1025, IMX6Q_GPR13_SATA_TX_LVL_1_025_V }, -+ { 1035, IMX6Q_GPR13_SATA_TX_LVL_1_035_V }, -+ { 1045, IMX6Q_GPR13_SATA_TX_LVL_1_045_V }, -+ { 1054, IMX6Q_GPR13_SATA_TX_LVL_1_054_V }, -+ { 1064, IMX6Q_GPR13_SATA_TX_LVL_1_064_V }, -+ { 1074, IMX6Q_GPR13_SATA_TX_LVL_1_074_V }, -+ { 1084, IMX6Q_GPR13_SATA_TX_LVL_1_084_V }, -+ { 1094, IMX6Q_GPR13_SATA_TX_LVL_1_094_V }, -+ { 1104, IMX6Q_GPR13_SATA_TX_LVL_1_104_V }, -+ { 1113, IMX6Q_GPR13_SATA_TX_LVL_1_113_V }, -+ { 1123, IMX6Q_GPR13_SATA_TX_LVL_1_123_V }, -+ { 1133, IMX6Q_GPR13_SATA_TX_LVL_1_133_V }, -+ { 1143, IMX6Q_GPR13_SATA_TX_LVL_1_143_V }, -+ { 1152, IMX6Q_GPR13_SATA_TX_LVL_1_152_V }, -+ { 1162, IMX6Q_GPR13_SATA_TX_LVL_1_162_V }, -+ { 1172, IMX6Q_GPR13_SATA_TX_LVL_1_172_V }, -+ { 1182, IMX6Q_GPR13_SATA_TX_LVL_1_182_V }, -+ { 1191, IMX6Q_GPR13_SATA_TX_LVL_1_191_V }, -+ { 1201, IMX6Q_GPR13_SATA_TX_LVL_1_201_V }, -+ { 1211, IMX6Q_GPR13_SATA_TX_LVL_1_211_V }, -+ { 1221, IMX6Q_GPR13_SATA_TX_LVL_1_221_V }, -+ { 1230, IMX6Q_GPR13_SATA_TX_LVL_1_230_V }, -+ { 1240, IMX6Q_GPR13_SATA_TX_LVL_1_240_V } -+}; -+ -+static const struct reg_value gpr13_tx_boost[] = { -+ { 0, IMX6Q_GPR13_SATA_TX_BOOST_0_00_DB }, -+ { 370, IMX6Q_GPR13_SATA_TX_BOOST_0_37_DB }, -+ { 740, IMX6Q_GPR13_SATA_TX_BOOST_0_74_DB }, -+ { 111, IMX6Q_GPR13_SATA_TX_BOOST_1_11_DB }, -+ { 148, IMX6Q_GPR13_SATA_TX_BOOST_1_48_DB }, -+ { 185, IMX6Q_GPR13_SATA_TX_BOOST_1_85_DB }, -+ { 222, IMX6Q_GPR13_SATA_TX_BOOST_2_22_DB }, -+ { 259, IMX6Q_GPR13_SATA_TX_BOOST_2_59_DB }, -+ { 296, IMX6Q_GPR13_SATA_TX_BOOST_2_96_DB }, -+ { 333, IMX6Q_GPR13_SATA_TX_BOOST_3_33_DB }, -+ { 370, IMX6Q_GPR13_SATA_TX_BOOST_3_70_DB }, -+ { 407, IMX6Q_GPR13_SATA_TX_BOOST_4_07_DB }, -+ { 444, IMX6Q_GPR13_SATA_TX_BOOST_4_44_DB }, -+ { 481, IMX6Q_GPR13_SATA_TX_BOOST_4_81_DB }, -+ { 528, IMX6Q_GPR13_SATA_TX_BOOST_5_28_DB }, -+ { 575, IMX6Q_GPR13_SATA_TX_BOOST_5_75_DB } -+}; -+ -+static const struct reg_value gpr13_tx_atten[] = { -+ { 8, IMX6Q_GPR13_SATA_TX_ATTEN_8_16 }, -+ { 9, IMX6Q_GPR13_SATA_TX_ATTEN_9_16 }, -+ { 10, IMX6Q_GPR13_SATA_TX_ATTEN_10_16 }, -+ { 12, IMX6Q_GPR13_SATA_TX_ATTEN_12_16 }, -+ { 14, IMX6Q_GPR13_SATA_TX_ATTEN_14_16 }, -+ { 16, IMX6Q_GPR13_SATA_TX_ATTEN_16_16 }, -+}; -+ -+static const struct reg_value gpr13_rx_eq[] = { -+ { 500, IMX6Q_GPR13_SATA_RX_EQ_VAL_0_5_DB }, -+ { 1000, IMX6Q_GPR13_SATA_RX_EQ_VAL_1_0_DB }, -+ { 1500, IMX6Q_GPR13_SATA_RX_EQ_VAL_1_5_DB }, -+ { 2000, IMX6Q_GPR13_SATA_RX_EQ_VAL_2_0_DB }, -+ { 2500, IMX6Q_GPR13_SATA_RX_EQ_VAL_2_5_DB }, -+ { 3000, IMX6Q_GPR13_SATA_RX_EQ_VAL_3_0_DB }, -+ { 3500, IMX6Q_GPR13_SATA_RX_EQ_VAL_3_5_DB }, -+ { 4000, IMX6Q_GPR13_SATA_RX_EQ_VAL_4_0_DB }, -+}; -+ -+static const struct reg_property gpr13_props[] = { -+ { -+ .name = "fsl,transmit-level-mV", -+ .values = gpr13_tx_level, -+ .num_values = ARRAY_SIZE(gpr13_tx_level), -+ .def_value = IMX6Q_GPR13_SATA_TX_LVL_1_025_V, -+ }, { -+ .name = "fsl,transmit-boost-mdB", -+ .values = gpr13_tx_boost, -+ .num_values = ARRAY_SIZE(gpr13_tx_boost), -+ .def_value = IMX6Q_GPR13_SATA_TX_BOOST_3_33_DB, -+ }, { -+ .name = "fsl,transmit-atten-16ths", -+ .values = gpr13_tx_atten, -+ .num_values = ARRAY_SIZE(gpr13_tx_atten), -+ .def_value = IMX6Q_GPR13_SATA_TX_ATTEN_9_16, -+ }, { -+ .name = "fsl,receive-eq-mdB", -+ .values = gpr13_rx_eq, -+ .num_values = ARRAY_SIZE(gpr13_rx_eq), -+ .def_value = IMX6Q_GPR13_SATA_RX_EQ_VAL_3_0_DB, -+ }, { -+ .name = "fsl,no-spread-spectrum", -+ .def_value = IMX6Q_GPR13_SATA_MPLL_SS_EN, -+ .set_value = 0, -+ }, -+}; -+ -+static u32 imx_ahci_parse_props(struct device *dev, -+ const struct reg_property *prop, size_t num) -+{ -+ struct device_node *np = dev->of_node; -+ u32 reg_value = 0; -+ int i, j; -+ -+ for (i = 0; i < num; i++, prop++) { -+ u32 of_val; -+ -+ if (prop->num_values == 0) { -+ if (of_property_read_bool(np, prop->name)) -+ reg_value |= prop->set_value; -+ else -+ reg_value |= prop->def_value; -+ continue; -+ } -+ -+ if (of_property_read_u32(np, prop->name, &of_val)) { -+ dev_info(dev, "%s not specified, using %08x\n", -+ prop->name, prop->def_value); -+ reg_value |= prop->def_value; -+ continue; -+ } -+ -+ for (j = 0; j < prop->num_values; j++) { -+ if (prop->values[j].of_value == of_val) { -+ dev_info(dev, "%s value %u, using %08x\n", -+ prop->name, of_val, prop->values[j].reg_value); -+ reg_value |= prop->values[j].reg_value; -+ break; -+ } -+ } -+ -+ if (j == prop->num_values) { -+ dev_err(dev, "DT property %s is not a valid value\n", -+ prop->name); -+ reg_value |= prop->def_value; -+ } -+ } -+ -+ return reg_value; -+} -+ - static int imx_ahci_probe(struct platform_device *pdev) - { - struct device *dev = &pdev->dev; -@@ -392,6 +549,8 @@ - } - - if (imxpriv->type == AHCI_IMX6Q) { -+ u32 reg_value; -+ - imxpriv->gpr = syscon_regmap_lookup_by_compatible( - "fsl,imx6q-iomuxc-gpr"); - if (IS_ERR(imxpriv->gpr)) { -@@ -399,6 +558,15 @@ - "failed to find fsl,imx6q-iomux-gpr regmap\n"); - return PTR_ERR(imxpriv->gpr); - } -+ -+ reg_value = imx_ahci_parse_props(dev, gpr13_props, -+ ARRAY_SIZE(gpr13_props)); -+ -+ imxpriv->phy_params = -+ IMX6Q_GPR13_SATA_RX_LOS_LVL_SATA2M | -+ IMX6Q_GPR13_SATA_RX_DPLL_MODE_2P_4F | -+ IMX6Q_GPR13_SATA_SPD_MODE_3P0G | -+ reg_value; - } - - hpriv = ahci_platform_get_resources(pdev); -diff -Nur linux-3.15-rc6.orig/drivers/cec/cec-dev.c linux-3.15-rc6/drivers/cec/cec-dev.c ---- linux-3.15-rc6.orig/drivers/cec/cec-dev.c 1970-01-01 01:00:00.000000000 +0100 -+++ linux-3.15-rc6/drivers/cec/cec-dev.c 2014-05-23 11:26:48.296940005 +0200 -@@ -0,0 +1,384 @@ -+/* -+ * HDMI Consumer Electronics Control -+ * -+ * This provides the user API for communication with HDMI CEC complaint -+ * devices in kernel drivers, and is based upon the protocol developed -+ * by Freescale for their i.MX SoCs. -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+ -+struct cec_event { -+ struct cec_user_event usr; -+ struct list_head node; -+}; -+ -+static struct class *cec_class; -+static int cec_major; -+ -+static void cec_dev_send_message(struct cec_dev *cec_dev, u8 *msg, -+ size_t count) -+{ -+ unsigned long flags; -+ -+ spin_lock_irqsave(&cec_dev->lock, flags); -+ cec_dev->retries = 5; -+ cec_dev->write_busy = 1; -+ cec_dev->send_message(cec_dev, msg, count); -+ spin_unlock_irqrestore(&cec_dev->lock, flags); -+} -+ -+void cec_dev_event(struct cec_dev *cec_dev, int type, u8 *msg, size_t len) -+{ -+ struct cec_event *event; -+ unsigned long flags; -+ -+ event = kzalloc(sizeof(*event), GFP_ATOMIC); -+ if (event) { -+ event->usr.event_type = type; -+ event->usr.msg_len = len; -+ if (msg) -+ memcpy(event->usr.msg, msg, len); -+ -+ spin_lock_irqsave(&cec_dev->lock, flags); -+ list_add_tail(&event->node, &cec_dev->events); -+ spin_unlock_irqrestore(&cec_dev->lock, flags); -+ wake_up(&cec_dev->waitq); -+ } -+} -+EXPORT_SYMBOL_GPL(cec_dev_event); -+ -+static int cec_dev_lock_write(struct cec_dev *cec_dev, struct file *file) -+ __acquires(cec_dev->mutex) -+{ -+ int ret; -+ -+ do { -+ if (file->f_flags & O_NONBLOCK) { -+ if (cec_dev->write_busy) -+ return -EAGAIN; -+ } else { -+ ret = wait_event_interruptible(cec_dev->waitq, -+ !cec_dev->write_busy); -+ if (ret) -+ break; -+ } -+ -+ ret = mutex_lock_interruptible(&cec_dev->mutex); -+ if (ret) -+ break; -+ -+ if (!cec_dev->write_busy) -+ break; -+ -+ mutex_unlock(&cec_dev->mutex); -+ } while (1); -+ -+ return ret; -+} -+ -+static ssize_t cec_dev_read(struct file *file, char __user *buf, -+ size_t count, loff_t *ppos) -+{ -+ struct cec_dev *cec_dev = file->private_data; -+ ssize_t ret; -+ -+ if (count > sizeof(struct cec_user_event)) -+ count = sizeof(struct cec_user_event); -+ -+ if (!access_ok(VERIFY_WRITE, buf, count)) -+ return -EFAULT; -+ -+ do { -+ struct cec_event *event = NULL; -+ unsigned long flags; -+ -+ spin_lock_irqsave(&cec_dev->lock, flags); -+ if (!list_empty(&cec_dev->events)) { -+ event = list_first_entry(&cec_dev->events, -+ struct cec_event, node); -+ list_del(&event->node); -+ } -+ spin_unlock_irqrestore(&cec_dev->lock, flags); -+ -+ if (event) { -+ ret = __copy_to_user(buf, &event->usr, count) ? -+ -EFAULT : count; -+ kfree(event); -+ break; -+ } -+ -+ if (file->f_flags & O_NONBLOCK) { -+ ret = -EAGAIN; -+ break; -+ } -+ -+ ret = wait_event_interruptible(cec_dev->waitq, -+ !list_empty(&cec_dev->events)); -+ if (ret) -+ break; -+ } while (1); -+ -+ return ret; -+} -+ -+static ssize_t cec_dev_write(struct file *file, const char __user *buf, -+ size_t count, loff_t *ppos) -+{ -+ struct cec_dev *cec_dev = file->private_data; -+ u8 msg[MAX_MESSAGE_LEN]; -+ int ret; -+ -+ if (count > sizeof(msg)) -+ return -E2BIG; -+ -+ if (copy_from_user(msg, buf, count)) -+ return -EFAULT; -+ -+ ret = cec_dev_lock_write(cec_dev, file); -+ if (ret) -+ return ret; -+ -+ cec_dev_send_message(cec_dev, msg, count); -+ -+ mutex_unlock(&cec_dev->mutex); -+ -+ return count; -+} -+ -+static long cec_dev_ioctl(struct file *file, u_int cmd, unsigned long arg) -+{ -+ struct cec_dev *cec_dev = file->private_data; -+ int ret; -+ -+ switch (cmd) { -+ case HDMICEC_IOC_O_SETLOGICALADDRESS: -+ case HDMICEC_IOC_SETLOGICALADDRESS: -+ if (arg > 15) { -+ ret = -EINVAL; -+ break; -+ } -+ -+ ret = cec_dev_lock_write(cec_dev, file); -+ if (ret == 0) { -+ unsigned char msg[1]; -+ -+ cec_dev->addresses = BIT(arg); -+ cec_dev->set_address(cec_dev, cec_dev->addresses); -+ -+ /* -+ * Send a ping message with the source and destination -+ * set to our address; the result indicates whether -+ * unit has chosen our address simultaneously. -+ */ -+ msg[0] = arg << 4 | arg; -+ cec_dev_send_message(cec_dev, msg, sizeof(msg)); -+ mutex_unlock(&cec_dev->mutex); -+ } -+ break; -+ -+ case HDMICEC_IOC_STARTDEVICE: -+ ret = mutex_lock_interruptible(&cec_dev->mutex); -+ if (ret == 0) { -+ cec_dev->addresses = BIT(15); -+ cec_dev->set_address(cec_dev, cec_dev->addresses); -+ mutex_unlock(&cec_dev->mutex); -+ } -+ break; -+ -+ case HDMICEC_IOC_STOPDEVICE: -+ ret = 0; -+ break; -+ -+ case HDMICEC_IOC_GETPHYADDRESS: -+ ret = put_user(cec_dev->physical, (u16 __user *)arg); -+ ret = -ENOIOCTLCMD; -+ break; -+ -+ default: -+ ret = -ENOIOCTLCMD; -+ break; -+ } -+ -+ return ret; -+} -+ -+static unsigned cec_dev_poll(struct file *file, poll_table *wait) -+{ -+ struct cec_dev *cec_dev = file->private_data; -+ unsigned mask = 0; -+ -+ poll_wait(file, &cec_dev->waitq, wait); -+ -+ if (cec_dev->write_busy == 0) -+ mask |= POLLOUT | POLLWRNORM; -+ if (!list_empty(&cec_dev->events)) -+ mask |= POLLIN | POLLRDNORM; -+ -+ return mask; -+} -+ -+static int cec_dev_release(struct inode *inode, struct file *file) -+{ -+ struct cec_dev *cec_dev = file->private_data; -+ -+ mutex_lock(&cec_dev->mutex); -+ if (cec_dev->users >= 1) -+ cec_dev->users -= 1; -+ if (cec_dev->users == 0) { -+ /* -+ * Wait for any write to complete before shutting down. -+ * A message should complete in a maximum of 2.75ms * -+ * 160 bits + 4.7ms, or 444.7ms. Let's call that 500ms. -+ * If we time out, shutdown anyway. -+ */ -+ wait_event_timeout(cec_dev->waitq, !cec_dev->write_busy, -+ msecs_to_jiffies(500)); -+ -+ cec_dev->release(cec_dev); -+ -+ while (!list_empty(&cec_dev->events)) { -+ struct cec_event *event; -+ -+ event = list_first_entry(&cec_dev->events, -+ struct cec_event, node); -+ list_del(&event->node); -+ kfree(event); -+ } -+ } -+ mutex_unlock(&cec_dev->mutex); -+ return 0; -+} -+ -+static int cec_dev_open(struct inode *inode, struct file *file) -+{ -+ struct cec_dev *cec_dev = container_of(inode->i_cdev, struct cec_dev, -+ cdev); -+ int ret = 0; -+ -+ nonseekable_open(inode, file); -+ -+ file->private_data = cec_dev; -+ -+ ret = mutex_lock_interruptible(&cec_dev->mutex); -+ if (ret) -+ return ret; -+ -+ if (cec_dev->users++ == 0) { -+ cec_dev->addresses = BIT(15); -+ -+ ret = cec_dev->open(cec_dev); -+ if (ret < 0) -+ cec_dev->users = 0; -+ } -+ mutex_unlock(&cec_dev->mutex); -+ -+ return ret; -+} -+ -+static const struct file_operations hdmi_cec_fops = { -+ .owner = THIS_MODULE, -+ .read = cec_dev_read, -+ .write = cec_dev_write, -+ .open = cec_dev_open, -+ .unlocked_ioctl = cec_dev_ioctl, -+ .release = cec_dev_release, -+ .poll = cec_dev_poll, -+}; -+ -+void cec_dev_init(struct cec_dev *cec_dev, struct module *module) -+{ -+ cec_dev->devn = MKDEV(cec_major, 0); -+ -+ INIT_LIST_HEAD(&cec_dev->events); -+ init_waitqueue_head(&cec_dev->waitq); -+ spin_lock_init(&cec_dev->lock); -+ mutex_init(&cec_dev->mutex); -+ -+ cec_dev->addresses = BIT(15); -+ -+ cdev_init(&cec_dev->cdev, &hdmi_cec_fops); -+ cec_dev->cdev.owner = module; -+} -+EXPORT_SYMBOL_GPL(cec_dev_init); -+ -+int cec_dev_add(struct cec_dev *cec_dev, struct device *dev, const char *name) -+{ -+ struct device *cd; -+ int ret; -+ -+ ret = cdev_add(&cec_dev->cdev, cec_dev->devn, 1); -+ if (ret < 0) -+ goto err_cdev; -+ -+ cd = device_create(cec_class, dev, cec_dev->devn, NULL, name); -+ if (IS_ERR(cd)) { -+ ret = PTR_ERR(cd); -+ dev_err(dev, "can't create device: %d\n", ret); -+ goto err_dev; -+ } -+ -+ return 0; -+ -+ err_dev: -+ cdev_del(&cec_dev->cdev); -+ err_cdev: -+ return ret; -+} -+EXPORT_SYMBOL_GPL(cec_dev_add); -+ -+void cec_dev_remove(struct cec_dev *cec_dev) -+{ -+ device_destroy(cec_class, cec_dev->devn); -+ cdev_del(&cec_dev->cdev); -+} -+EXPORT_SYMBOL_GPL(cec_dev_remove); -+ -+static int cec_init(void) -+{ -+ dev_t dev; -+ int ret; -+ -+ cec_class = class_create(THIS_MODULE, "hdmi-cec"); -+ if (IS_ERR(cec_class)) { -+ ret = PTR_ERR(cec_class); -+ pr_err("cec: can't create cec class: %d\n", ret); -+ goto err_class; -+ } -+ -+ ret = alloc_chrdev_region(&dev, 0, 1, "hdmi-cec"); -+ if (ret) { -+ pr_err("cec: can't create character devices: %d\n", ret); -+ goto err_chrdev; -+ } -+ -+ cec_major = MAJOR(dev); -+ -+ return 0; -+ -+ err_chrdev: -+ class_destroy(cec_class); -+ err_class: -+ return ret; -+} -+subsys_initcall(cec_init); -+ -+static void cec_exit(void) -+{ -+ unregister_chrdev_region(MKDEV(cec_major, 0), 1); -+ class_destroy(cec_class); -+} -+module_exit(cec_exit); -+ -+MODULE_AUTHOR("Russell King "); -+MODULE_DESCRIPTION("Generic HDMI CEC driver"); -+MODULE_LICENSE("GPL"); -diff -Nur linux-3.15-rc6.orig/drivers/cec/Kconfig linux-3.15-rc6/drivers/cec/Kconfig ---- linux-3.15-rc6.orig/drivers/cec/Kconfig 1970-01-01 01:00:00.000000000 +0100 -+++ linux-3.15-rc6/drivers/cec/Kconfig 2014-05-23 11:26:48.296940005 +0200 -@@ -0,0 +1,14 @@ -+# -+# Consumer Electroncs Control support -+# -+ -+menu "Consumer Electronics Control devices" -+ -+config CEC -+ bool -+ -+config HDMI_CEC_CORE -+ tristate -+ select CEC -+ -+endmenu -diff -Nur linux-3.15-rc6.orig/drivers/cec/Makefile linux-3.15-rc6/drivers/cec/Makefile ---- linux-3.15-rc6.orig/drivers/cec/Makefile 1970-01-01 01:00:00.000000000 +0100 -+++ linux-3.15-rc6/drivers/cec/Makefile 2014-05-23 11:26:48.296940005 +0200 -@@ -0,0 +1 @@ -+obj-$(CONFIG_HDMI_CEC_CORE) += cec-dev.o -diff -Nur linux-3.15-rc6.orig/drivers/gpu/drm/drm_crtc_helper.c linux-3.15-rc6/drivers/gpu/drm/drm_crtc_helper.c ---- linux-3.15-rc6.orig/drivers/gpu/drm/drm_crtc_helper.c 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/drivers/gpu/drm/drm_crtc_helper.c 2014-05-23 11:26:48.296940005 +0200 -@@ -140,16 +140,10 @@ - static void __drm_helper_disable_unused_functions(struct drm_device *dev) - { - struct drm_encoder *encoder; -- struct drm_connector *connector; - struct drm_crtc *crtc; - - drm_warn_on_modeset_not_all_locked(dev); - -- list_for_each_entry(connector, &dev->mode_config.connector_list, head) { -- if (!connector->encoder) -- continue; -- } -- - list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { - if (!drm_helper_encoder_in_use(encoder)) { - drm_encoder_disable(encoder); -diff -Nur linux-3.15-rc6.orig/drivers/Kconfig linux-3.15-rc6/drivers/Kconfig ---- linux-3.15-rc6.orig/drivers/Kconfig 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/drivers/Kconfig 2014-05-23 11:26:48.296940005 +0200 -@@ -174,4 +174,6 @@ - - source "drivers/mcb/Kconfig" - -+source "drivers/cec/Kconfig" -+ - endmenu -diff -Nur linux-3.15-rc6.orig/drivers/leds/leds-pwm.c linux-3.15-rc6/drivers/leds/leds-pwm.c ---- linux-3.15-rc6.orig/drivers/leds/leds-pwm.c 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/drivers/leds/leds-pwm.c 2014-05-23 11:26:48.296940005 +0200 -@@ -69,6 +69,10 @@ - - duty *= brightness; - do_div(duty, max); -+ -+ if (led_dat->active_low) -+ duty = led_dat->period - duty; -+ - led_dat->duty = duty; - - if (led_dat->can_sleep) -@@ -92,55 +96,75 @@ - } - } - --static int led_pwm_create_of(struct platform_device *pdev, -- struct led_pwm_priv *priv) -+static int led_pwm_add(struct device *dev, struct led_pwm_priv *priv, -+ struct led_pwm *led, struct device_node *child) - { -- struct device_node *child; -+ struct led_pwm_data *led_data = &priv->leds[priv->num_leds]; - int ret; - -- for_each_child_of_node(pdev->dev.of_node, child) { -- struct led_pwm_data *led_dat = &priv->leds[priv->num_leds]; -+ led_data->active_low = led->active_low; -+ led_data->period = led->pwm_period_ns; -+ led_data->cdev.name = led->name; -+ led_data->cdev.default_trigger = led->default_trigger; -+ led_data->cdev.brightness_set = led_pwm_set; -+ led_data->cdev.brightness = LED_OFF; -+ led_data->cdev.max_brightness = led->max_brightness; -+ led_data->cdev.flags = LED_CORE_SUSPENDRESUME; -+ -+ if (child) -+ led_data->pwm = devm_of_pwm_get(dev, child, NULL); -+ else -+ led_data->pwm = devm_pwm_get(dev, led->name); -+ if (IS_ERR(led_data->pwm)) { -+ ret = PTR_ERR(led_data->pwm); -+ dev_err(dev, "unable to request PWM for %s: %d\n", -+ led->name, ret); -+ return ret; -+ } - -- led_dat->cdev.name = of_get_property(child, "label", -- NULL) ? : child->name; -+ if (child) -+ led_data->period = pwm_get_period(led_data->pwm); - -- led_dat->pwm = devm_of_pwm_get(&pdev->dev, child, NULL); -- if (IS_ERR(led_dat->pwm)) { -- dev_err(&pdev->dev, "unable to request PWM for %s\n", -- led_dat->cdev.name); -- ret = PTR_ERR(led_dat->pwm); -- goto err; -- } -- /* Get the period from PWM core when n*/ -- led_dat->period = pwm_get_period(led_dat->pwm); -+ led_data->can_sleep = pwm_can_sleep(led_data->pwm); -+ if (led_data->can_sleep) -+ INIT_WORK(&led_data->work, led_pwm_work); - -- led_dat->cdev.default_trigger = of_get_property(child, -+ ret = led_classdev_register(dev, &led_data->cdev); -+ if (ret == 0) { -+ priv->num_leds++; -+ } else { -+ dev_err(dev, "failed to register PWM led for %s: %d\n", -+ led->name, ret); -+ } -+ -+ return ret; -+} -+ -+static int led_pwm_create_of(struct device *dev, struct led_pwm_priv *priv) -+{ -+ struct device_node *child; -+ struct led_pwm led; -+ int ret = 0; -+ -+ memset(&led, 0, sizeof(led)); -+ -+ for_each_child_of_node(dev->of_node, child) { -+ led.name = of_get_property(child, "label", NULL) ? : -+ child->name; -+ -+ led.default_trigger = of_get_property(child, - "linux,default-trigger", NULL); -+ led.active_low = of_property_read_bool(child, "active-low"); - of_property_read_u32(child, "max-brightness", -- &led_dat->cdev.max_brightness); -+ &led.max_brightness); - -- led_dat->cdev.brightness_set = led_pwm_set; -- led_dat->cdev.brightness = LED_OFF; -- led_dat->cdev.flags |= LED_CORE_SUSPENDRESUME; -- -- led_dat->can_sleep = pwm_can_sleep(led_dat->pwm); -- if (led_dat->can_sleep) -- INIT_WORK(&led_dat->work, led_pwm_work); -- -- ret = led_classdev_register(&pdev->dev, &led_dat->cdev); -- if (ret < 0) { -- dev_err(&pdev->dev, "failed to register for %s\n", -- led_dat->cdev.name); -+ ret = led_pwm_add(dev, priv, &led, child); -+ if (ret) { - of_node_put(child); -- goto err; -+ break; - } -- priv->num_leds++; - } - -- return 0; --err: -- led_pwm_cleanup(priv); -- - return ret; - } - -@@ -166,51 +190,23 @@ - - if (pdata) { - for (i = 0; i < count; i++) { -- struct led_pwm *cur_led = &pdata->leds[i]; -- struct led_pwm_data *led_dat = &priv->leds[i]; -- -- led_dat->pwm = devm_pwm_get(&pdev->dev, cur_led->name); -- if (IS_ERR(led_dat->pwm)) { -- ret = PTR_ERR(led_dat->pwm); -- dev_err(&pdev->dev, -- "unable to request PWM for %s\n", -- cur_led->name); -- goto err; -- } -- -- led_dat->cdev.name = cur_led->name; -- led_dat->cdev.default_trigger = cur_led->default_trigger; -- led_dat->active_low = cur_led->active_low; -- led_dat->period = cur_led->pwm_period_ns; -- led_dat->cdev.brightness_set = led_pwm_set; -- led_dat->cdev.brightness = LED_OFF; -- led_dat->cdev.max_brightness = cur_led->max_brightness; -- led_dat->cdev.flags |= LED_CORE_SUSPENDRESUME; -- -- led_dat->can_sleep = pwm_can_sleep(led_dat->pwm); -- if (led_dat->can_sleep) -- INIT_WORK(&led_dat->work, led_pwm_work); -- -- ret = led_classdev_register(&pdev->dev, &led_dat->cdev); -- if (ret < 0) -- goto err; -+ ret = led_pwm_add(&pdev->dev, priv, &pdata->leds[i], -+ NULL); -+ if (ret) -+ break; - } -- priv->num_leds = count; - } else { -- ret = led_pwm_create_of(pdev, priv); -- if (ret) -- return ret; -+ ret = led_pwm_create_of(&pdev->dev, priv); -+ } -+ -+ if (ret) { -+ led_pwm_cleanup(priv); -+ return ret; - } - - platform_set_drvdata(pdev, priv); - - return 0; -- --err: -- priv->num_leds = i; -- led_pwm_cleanup(priv); -- -- return ret; - } - - static int led_pwm_remove(struct platform_device *pdev) -diff -Nur linux-3.15-rc6.orig/drivers/Makefile linux-3.15-rc6/drivers/Makefile ---- linux-3.15-rc6.orig/drivers/Makefile 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/drivers/Makefile 2014-05-23 11:26:48.296940005 +0200 -@@ -157,3 +157,4 @@ - obj-$(CONFIG_FMC) += fmc/ - obj-$(CONFIG_POWERCAP) += powercap/ - obj-$(CONFIG_MCB) += mcb/ -+obj-$(CONFIG_CEC) += cec/ -diff -Nur linux-3.15-rc6.orig/drivers/mmc/core/core.c linux-3.15-rc6/drivers/mmc/core/core.c ---- linux-3.15-rc6.orig/drivers/mmc/core/core.c 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/drivers/mmc/core/core.c 2014-05-23 11:26:48.300940018 +0200 -@@ -13,11 +13,13 @@ - #include - #include - #include -+#include - #include - #include - #include - #include - #include -+#include - #include - #include - #include -@@ -1504,6 +1506,43 @@ - mmc_host_clk_release(host); - } - -+static void mmc_card_power_up(struct mmc_host *host) -+{ -+ int i; -+ struct gpio_desc **gds = host->card_reset_gpios; -+ -+ for (i = 0; i < ARRAY_SIZE(host->card_reset_gpios); i++) { -+ if (gds[i]) { -+ dev_dbg(host->parent, "Asserting reset line %d", i); -+ gpiod_set_value(gds[i], 1); -+ } -+ } -+ -+ if (host->card_regulator) { -+ dev_dbg(host->parent, "Enabling external regulator"); -+ if (regulator_enable(host->card_regulator)) -+ dev_err(host->parent, "Failed to enable external regulator"); -+ } -+ -+ if (host->card_clk) { -+ dev_dbg(host->parent, "Enabling external clock"); -+ clk_prepare_enable(host->card_clk); -+ } -+ -+ /* 2ms delay to let clocks and power settle */ -+ mmc_delay(20); -+ -+ for (i = 0; i < ARRAY_SIZE(host->card_reset_gpios); i++) { -+ if (gds[i]) { -+ dev_dbg(host->parent, "Deasserting reset line %d", i); -+ gpiod_set_value(gds[i], 0); -+ } -+ } -+ -+ /* 2ms delay to after reset release */ -+ mmc_delay(20); -+} -+ - /* - * Apply power to the MMC stack. This is a two-stage process. - * First, we enable power to the card without the clock running. -@@ -1520,6 +1559,9 @@ - if (host->ios.power_mode == MMC_POWER_ON) - return; - -+ /* Power up the card/module first, if needed */ -+ mmc_card_power_up(host); -+ - mmc_host_clk_hold(host); - - host->ios.vdd = fls(ocr) - 1; -diff -Nur linux-3.15-rc6.orig/drivers/mmc/core/host.c linux-3.15-rc6/drivers/mmc/core/host.c ---- linux-3.15-rc6.orig/drivers/mmc/core/host.c 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/drivers/mmc/core/host.c 2014-05-23 11:26:48.300940018 +0200 -@@ -12,14 +12,18 @@ - * MMC host class device management - */ - -+#include -+#include - #include - #include -+#include - #include - #include - #include - #include - #include - #include -+#include - #include - #include - -@@ -457,6 +461,66 @@ - - EXPORT_SYMBOL(mmc_of_parse); - -+static int mmc_of_parse_child(struct mmc_host *host) -+{ -+ struct device_node *np; -+ struct clk *clk; -+ int i; -+ -+ if (!host->parent || !host->parent->of_node) -+ return 0; -+ -+ np = host->parent->of_node; -+ -+ host->card_regulator = regulator_get(host->parent, "card-external-vcc"); -+ if (IS_ERR(host->card_regulator)) { -+ if (PTR_ERR(host->card_regulator) == -EPROBE_DEFER) -+ return PTR_ERR(host->card_regulator); -+ host->card_regulator = NULL; -+ } -+ -+ /* Parse card power/reset/clock control */ -+ if (of_find_property(np, "card-reset-gpios", NULL)) { -+ struct gpio_desc *gpd; -+ int level = 0; -+ -+ /* -+ * If the regulator is enabled, then we can hold the -+ * card in reset with an active high resets. Otherwise, -+ * hold the resets low. -+ */ -+ if (host->card_regulator && regulator_is_enabled(host->card_regulator)) -+ level = 1; -+ -+ for (i = 0; i < ARRAY_SIZE(host->card_reset_gpios); i++) { -+ gpd = devm_gpiod_get_index(host->parent, "card-reset", i); -+ if (IS_ERR(gpd)) { -+ if (PTR_ERR(gpd) == -EPROBE_DEFER) -+ return PTR_ERR(gpd); -+ break; -+ } -+ gpiod_direction_output(gpd, gpiod_is_active_low(gpd) | level); -+ host->card_reset_gpios[i] = gpd; -+ } -+ -+ gpd = devm_gpiod_get_index(host->parent, "card-reset", ARRAY_SIZE(host->card_reset_gpios)); -+ if (!IS_ERR(gpd)) { -+ dev_warn(host->parent, "More reset gpios than we can handle"); -+ gpiod_put(gpd); -+ } -+ } -+ -+ clk = of_clk_get_by_name(np, "card_ext_clock"); -+ if (IS_ERR(clk)) { -+ if (PTR_ERR(clk) == -EPROBE_DEFER) -+ return PTR_ERR(clk); -+ clk = NULL; -+ } -+ host->card_clk = clk; -+ -+ return 0; -+} -+ - /** - * mmc_alloc_host - initialise the per-host structure. - * @extra: sizeof private data structure -@@ -536,6 +600,10 @@ - { - int err; - -+ err = mmc_of_parse_child(host); -+ if (err) -+ return err; -+ - WARN_ON((host->caps & MMC_CAP_SDIO_IRQ) && - !host->ops->enable_sdio_irq); - -diff -Nur linux-3.15-rc6.orig/drivers/mmc/core/sdio_irq.c linux-3.15-rc6/drivers/mmc/core/sdio_irq.c ---- linux-3.15-rc6.orig/drivers/mmc/core/sdio_irq.c 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/drivers/mmc/core/sdio_irq.c 2014-05-23 11:26:48.300940018 +0200 -@@ -90,6 +90,15 @@ - return ret; - } - -+void sdio_run_irqs(struct mmc_host *host) -+{ -+ mmc_claim_host(host); -+ host->sdio_irq_pending = true; -+ process_sdio_pending_irqs(host); -+ mmc_release_host(host); -+} -+EXPORT_SYMBOL_GPL(sdio_run_irqs); -+ - static int sdio_irq_thread(void *_host) - { - struct mmc_host *host = _host; -@@ -189,14 +198,20 @@ - WARN_ON(!host->claimed); - - if (!host->sdio_irqs++) { -- atomic_set(&host->sdio_irq_thread_abort, 0); -- host->sdio_irq_thread = -- kthread_run(sdio_irq_thread, host, "ksdioirqd/%s", -- mmc_hostname(host)); -- if (IS_ERR(host->sdio_irq_thread)) { -- int err = PTR_ERR(host->sdio_irq_thread); -- host->sdio_irqs--; -- return err; -+ if (!(host->caps2 & MMC_CAP2_SDIO_NOTHREAD)) { -+ atomic_set(&host->sdio_irq_thread_abort, 0); -+ host->sdio_irq_thread = -+ kthread_run(sdio_irq_thread, host, -+ "ksdioirqd/%s", mmc_hostname(host)); -+ if (IS_ERR(host->sdio_irq_thread)) { -+ int err = PTR_ERR(host->sdio_irq_thread); -+ host->sdio_irqs--; -+ return err; -+ } -+ } else { -+ mmc_host_clk_hold(host); -+ host->ops->enable_sdio_irq(host, 1); -+ mmc_host_clk_release(host); - } - } - -@@ -211,8 +226,14 @@ - BUG_ON(host->sdio_irqs < 1); - - if (!--host->sdio_irqs) { -- atomic_set(&host->sdio_irq_thread_abort, 1); -- kthread_stop(host->sdio_irq_thread); -+ if (!(host->caps2 & MMC_CAP2_SDIO_NOTHREAD)) { -+ atomic_set(&host->sdio_irq_thread_abort, 1); -+ kthread_stop(host->sdio_irq_thread); -+ } else { -+ mmc_host_clk_hold(host); -+ host->ops->enable_sdio_irq(host, 0); -+ mmc_host_clk_release(host); -+ } - } - - return 0; -diff -Nur linux-3.15-rc6.orig/drivers/mmc/host/dw_mmc.c linux-3.15-rc6/drivers/mmc/host/dw_mmc.c ---- linux-3.15-rc6.orig/drivers/mmc/host/dw_mmc.c 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/drivers/mmc/host/dw_mmc.c 2014-05-23 11:26:48.300940018 +0200 -@@ -2140,6 +2140,8 @@ - if (!mmc) - return -ENOMEM; - -+ mmc_of_parse(mmc); -+ - slot = mmc_priv(mmc); - slot->id = id; - slot->mmc = mmc; -diff -Nur linux-3.15-rc6.orig/drivers/mmc/host/Kconfig linux-3.15-rc6/drivers/mmc/host/Kconfig ---- linux-3.15-rc6.orig/drivers/mmc/host/Kconfig 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/drivers/mmc/host/Kconfig 2014-05-23 11:26:48.300940018 +0200 -@@ -25,8 +25,7 @@ - If unsure, say N. - - config MMC_SDHCI -- tristate "Secure Digital Host Controller Interface support" -- depends on HAS_DMA -+ tristate - help - This selects the generic Secure Digital Host Controller Interface. - It is used by manufacturers such as Texas Instruments(R), Ricoh(R) -@@ -59,7 +58,8 @@ - - config MMC_SDHCI_PCI - tristate "SDHCI support on PCI bus" -- depends on MMC_SDHCI && PCI -+ depends on PCI && HAS_DMA -+ select MMC_SDHCI - help - This selects the PCI Secure Digital Host Controller Interface. - Most controllers found today are PCI devices. -@@ -83,7 +83,8 @@ - - config MMC_SDHCI_ACPI - tristate "SDHCI support for ACPI enumerated SDHCI controllers" -- depends on MMC_SDHCI && ACPI -+ depends on ACPI && HAS_DMA -+ select MMC_SDHCI - help - This selects support for ACPI enumerated SDHCI controllers, - identified by ACPI Compatibility ID PNP0D40 or specific -@@ -94,8 +95,8 @@ - If unsure, say N. - - config MMC_SDHCI_PLTFM -- tristate "SDHCI platform and OF driver helper" -- depends on MMC_SDHCI -+ tristate -+ select MMC_SDHCI - help - This selects the common helper functions support for Secure Digital - Host Controller Interface based platform and OF drivers. -@@ -106,8 +107,8 @@ - - config MMC_SDHCI_OF_ARASAN - tristate "SDHCI OF support for the Arasan SDHCI controllers" -- depends on MMC_SDHCI_PLTFM -- depends on OF -+ depends on OF && HAS_DMA -+ select MMC_SDHCI_PLTFM - help - This selects the Arasan Secure Digital Host Controller Interface - (SDHCI). This hardware is found e.g. in Xilinx' Zynq SoC. -@@ -118,9 +119,9 @@ - - config MMC_SDHCI_OF_ESDHC - tristate "SDHCI OF support for the Freescale eSDHC controller" -- depends on MMC_SDHCI_PLTFM -- depends on PPC_OF -+ depends on PPC_OF && HAS_DMA - select MMC_SDHCI_BIG_ENDIAN_32BIT_BYTE_SWAPPER -+ select MMC_SDHCI_PLTFM - help - This selects the Freescale eSDHC controller support. - -@@ -130,9 +131,9 @@ - - config MMC_SDHCI_OF_HLWD - tristate "SDHCI OF support for the Nintendo Wii SDHCI controllers" -- depends on MMC_SDHCI_PLTFM -- depends on PPC_OF -+ depends on PPC_OF && HAS_DMA - select MMC_SDHCI_BIG_ENDIAN_32BIT_BYTE_SWAPPER -+ select MMC_SDHCI_PLTFM - help - This selects the Secure Digital Host Controller Interface (SDHCI) - found in the "Hollywood" chipset of the Nintendo Wii video game -@@ -144,8 +145,8 @@ - - config MMC_SDHCI_CNS3XXX - tristate "SDHCI support on the Cavium Networks CNS3xxx SoC" -- depends on ARCH_CNS3XXX -- depends on MMC_SDHCI_PLTFM -+ depends on ARCH_CNS3XXX && HAS_DMA -+ select MMC_SDHCI_PLTFM - help - This selects the SDHCI support for CNS3xxx System-on-Chip devices. - -@@ -155,9 +156,9 @@ - - config MMC_SDHCI_ESDHC_IMX - tristate "SDHCI support for the Freescale eSDHC/uSDHC i.MX controller" -- depends on ARCH_MXC -- depends on MMC_SDHCI_PLTFM -+ depends on ARCH_MXC && HAS_DMA - select MMC_SDHCI_IO_ACCESSORS -+ select MMC_SDHCI_PLTFM - help - This selects the Freescale eSDHC/uSDHC controller support - found on i.MX25, i.MX35 i.MX5x and i.MX6x. -@@ -168,9 +169,9 @@ - - config MMC_SDHCI_DOVE - tristate "SDHCI support on Marvell's Dove SoC" -- depends on ARCH_DOVE -- depends on MMC_SDHCI_PLTFM -+ depends on ARCH_DOVE && HAS_DMA - select MMC_SDHCI_IO_ACCESSORS -+ select MMC_SDHCI_PLTFM - help - This selects the Secure Digital Host Controller Interface in - Marvell's Dove SoC. -@@ -181,9 +182,9 @@ - - config MMC_SDHCI_TEGRA - tristate "SDHCI platform support for the Tegra SD/MMC Controller" -- depends on ARCH_TEGRA -- depends on MMC_SDHCI_PLTFM -+ depends on ARCH_TEGRA && HAS_DMA - select MMC_SDHCI_IO_ACCESSORS -+ select MMC_SDHCI_PLTFM - help - This selects the Tegra SD/MMC controller. If you have a Tegra - platform with SD or MMC devices, say Y or M here. -@@ -192,7 +193,8 @@ - - config MMC_SDHCI_S3C - tristate "SDHCI support on Samsung S3C SoC" -- depends on MMC_SDHCI && PLAT_SAMSUNG -+ depends on PLAT_SAMSUNG && HAS_DMA -+ select MMC_SDHCI - help - This selects the Secure Digital Host Controller Interface (SDHCI) - often referrered to as the HSMMC block in some of the Samsung S3C -@@ -204,8 +206,8 @@ - - config MMC_SDHCI_SIRF - tristate "SDHCI support on CSR SiRFprimaII and SiRFmarco SoCs" -- depends on ARCH_SIRF -- depends on MMC_SDHCI_PLTFM -+ depends on ARCH_SIRF && HAS_DMA -+ select MMC_SDHCI_PLTFM - help - This selects the SDHCI support for SiRF System-on-Chip devices. - -@@ -215,8 +217,7 @@ - - config MMC_SDHCI_PXAV3 - tristate "Marvell MMP2 SD Host Controller support (PXAV3)" -- depends on CLKDEV_LOOKUP -- select MMC_SDHCI -+ depends on CLKDEV_LOOKUP && HAS_DMA - select MMC_SDHCI_PLTFM - default CPU_MMP2 - help -@@ -228,8 +229,7 @@ - - config MMC_SDHCI_PXAV2 - tristate "Marvell PXA9XX SD Host Controller support (PXAV2)" -- depends on CLKDEV_LOOKUP -- select MMC_SDHCI -+ depends on CLKDEV_LOOKUP && HAS_DMA - select MMC_SDHCI_PLTFM - default CPU_PXA910 - help -@@ -241,7 +241,8 @@ - - config MMC_SDHCI_SPEAR - tristate "SDHCI support on ST SPEAr platform" -- depends on MMC_SDHCI && PLAT_SPEAR -+ depends on PLAT_SPEAR && HAS_DMA -+ select MMC_SDHCI - help - This selects the Secure Digital Host Controller Interface (SDHCI) - often referrered to as the HSMMC block in some of the ST SPEAR range -@@ -263,7 +264,7 @@ - - config MMC_SDHCI_BCM_KONA - tristate "SDHCI support on Broadcom KONA platform" -- depends on ARCH_BCM_MOBILE -+ depends on ARCH_BCM_MOBILE && HAS_DMA - select MMC_SDHCI_PLTFM - help - This selects the Broadcom Kona Secure Digital Host Controller -@@ -274,9 +275,9 @@ - - config MMC_SDHCI_BCM2835 - tristate "SDHCI platform support for the BCM2835 SD/MMC Controller" -- depends on ARCH_BCM2835 -- depends on MMC_SDHCI_PLTFM -+ depends on ARCH_BCM2835 && HAS_DMA - select MMC_SDHCI_IO_ACCESSORS -+ select MMC_SDHCI_PLTFM - help - This selects the BCM2835 SD/MMC controller. If you have a BCM2835 - platform with SD or MMC devices, say Y or M here. -diff -Nur linux-3.15-rc6.orig/drivers/mmc/host/sdhci-acpi.c linux-3.15-rc6/drivers/mmc/host/sdhci-acpi.c ---- linux-3.15-rc6.orig/drivers/mmc/host/sdhci-acpi.c 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/drivers/mmc/host/sdhci-acpi.c 2014-05-23 11:26:48.300940018 +0200 -@@ -102,11 +102,19 @@ - } - - static const struct sdhci_ops sdhci_acpi_ops_dflt = { -+ .set_clock = sdhci_set_clock, - .enable_dma = sdhci_acpi_enable_dma, -+ .set_bus_width = sdhci_set_bus_width, -+ .reset = sdhci_reset, -+ .set_uhs_signaling = sdhci_set_uhs_signaling, - }; - - static const struct sdhci_ops sdhci_acpi_ops_int = { -+ .set_clock = sdhci_set_clock, - .enable_dma = sdhci_acpi_enable_dma, -+ .set_bus_width = sdhci_set_bus_width, -+ .reset = sdhci_reset, -+ .set_uhs_signaling = sdhci_set_uhs_signaling, - .hw_reset = sdhci_acpi_int_hw_reset, - }; - -diff -Nur linux-3.15-rc6.orig/drivers/mmc/host/sdhci-bcm2835.c linux-3.15-rc6/drivers/mmc/host/sdhci-bcm2835.c ---- linux-3.15-rc6.orig/drivers/mmc/host/sdhci-bcm2835.c 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/drivers/mmc/host/sdhci-bcm2835.c 2014-05-23 11:26:48.300940018 +0200 -@@ -131,8 +131,12 @@ - .read_l = bcm2835_sdhci_readl, - .read_w = bcm2835_sdhci_readw, - .read_b = bcm2835_sdhci_readb, -+ .set_clock = sdhci_set_clock, - .get_max_clock = sdhci_pltfm_clk_get_max_clock, - .get_min_clock = bcm2835_sdhci_get_min_clock, -+ .set_bus_width = sdhci_set_bus_width, -+ .reset = sdhci_reset, -+ .set_uhs_signaling = sdhci_set_uhs_signaling, - }; - - static const struct sdhci_pltfm_data bcm2835_sdhci_pdata = { -diff -Nur linux-3.15-rc6.orig/drivers/mmc/host/sdhci-bcm-kona.c linux-3.15-rc6/drivers/mmc/host/sdhci-bcm-kona.c ---- linux-3.15-rc6.orig/drivers/mmc/host/sdhci-bcm-kona.c 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/drivers/mmc/host/sdhci-bcm-kona.c 2014-05-23 11:26:48.300940018 +0200 -@@ -206,9 +206,13 @@ - } - - static struct sdhci_ops sdhci_bcm_kona_ops = { -+ .set_clock = sdhci_set_clock, - .get_max_clock = sdhci_bcm_kona_get_max_clk, - .get_timeout_clock = sdhci_bcm_kona_get_timeout_clock, - .platform_send_init_74_clocks = sdhci_bcm_kona_init_74_clocks, -+ .set_bus_width = sdhci_set_bus_width, -+ .reset = sdhci_reset, -+ .set_uhs_signaling = sdhci_set_uhs_signaling, - .card_event = sdhci_bcm_kona_card_event, - }; - -diff -Nur linux-3.15-rc6.orig/drivers/mmc/host/sdhci.c linux-3.15-rc6/drivers/mmc/host/sdhci.c ---- linux-3.15-rc6.orig/drivers/mmc/host/sdhci.c 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/drivers/mmc/host/sdhci.c 2014-05-23 11:26:48.304940032 +0200 -@@ -44,6 +44,8 @@ - - #define MAX_TUNING_LOOP 40 - -+#define ADMA_SIZE ((128 * 2 + 1) * 4) -+ - static unsigned int debug_quirks = 0; - static unsigned int debug_quirks2; - -@@ -131,43 +133,26 @@ - * * - \*****************************************************************************/ - --static void sdhci_clear_set_irqs(struct sdhci_host *host, u32 clear, u32 set) --{ -- u32 ier; -- -- ier = sdhci_readl(host, SDHCI_INT_ENABLE); -- ier &= ~clear; -- ier |= set; -- sdhci_writel(host, ier, SDHCI_INT_ENABLE); -- sdhci_writel(host, ier, SDHCI_SIGNAL_ENABLE); --} -- --static void sdhci_unmask_irqs(struct sdhci_host *host, u32 irqs) --{ -- sdhci_clear_set_irqs(host, 0, irqs); --} -- --static void sdhci_mask_irqs(struct sdhci_host *host, u32 irqs) --{ -- sdhci_clear_set_irqs(host, irqs, 0); --} -- - static void sdhci_set_card_detection(struct sdhci_host *host, bool enable) - { -- u32 present, irqs; -+ u32 present; - - if ((host->quirks & SDHCI_QUIRK_BROKEN_CARD_DETECTION) || - (host->mmc->caps & MMC_CAP_NONREMOVABLE)) - return; - -- present = sdhci_readl(host, SDHCI_PRESENT_STATE) & -- SDHCI_CARD_PRESENT; -- irqs = present ? SDHCI_INT_CARD_REMOVE : SDHCI_INT_CARD_INSERT; -+ if (enable) { -+ present = sdhci_readl(host, SDHCI_PRESENT_STATE) & -+ SDHCI_CARD_PRESENT; - -- if (enable) -- sdhci_unmask_irqs(host, irqs); -- else -- sdhci_mask_irqs(host, irqs); -+ host->ier |= present ? SDHCI_INT_CARD_REMOVE : -+ SDHCI_INT_CARD_INSERT; -+ } else { -+ host->ier &= ~(SDHCI_INT_CARD_REMOVE | SDHCI_INT_CARD_INSERT); -+ } -+ -+ sdhci_writel(host, host->ier, SDHCI_INT_ENABLE); -+ sdhci_writel(host, host->ier, SDHCI_SIGNAL_ENABLE); - } - - static void sdhci_enable_card_detection(struct sdhci_host *host) -@@ -180,22 +165,9 @@ - sdhci_set_card_detection(host, false); - } - --static void sdhci_reset(struct sdhci_host *host, u8 mask) -+void sdhci_reset(struct sdhci_host *host, u8 mask) - { - unsigned long timeout; -- u32 uninitialized_var(ier); -- -- if (host->quirks & SDHCI_QUIRK_NO_CARD_NO_RESET) { -- if (!(sdhci_readl(host, SDHCI_PRESENT_STATE) & -- SDHCI_CARD_PRESENT)) -- return; -- } -- -- if (host->quirks & SDHCI_QUIRK_RESTORE_IRQS_AFTER_RESET) -- ier = sdhci_readl(host, SDHCI_INT_ENABLE); -- -- if (host->ops->platform_reset_enter) -- host->ops->platform_reset_enter(host, mask); - - sdhci_writeb(host, mask, SDHCI_SOFTWARE_RESET); - -@@ -220,16 +192,27 @@ - timeout--; - mdelay(1); - } -+} -+EXPORT_SYMBOL_GPL(sdhci_reset); -+ -+static void sdhci_do_reset(struct sdhci_host *host, u8 mask) -+{ -+ if (host->quirks & SDHCI_QUIRK_NO_CARD_NO_RESET) { -+ if (!(sdhci_readl(host, SDHCI_PRESENT_STATE) & -+ SDHCI_CARD_PRESENT)) -+ return; -+ } - -- if (host->ops->platform_reset_exit) -- host->ops->platform_reset_exit(host, mask); -+ host->ops->reset(host, mask); - -- if (host->quirks & SDHCI_QUIRK_RESTORE_IRQS_AFTER_RESET) -- sdhci_clear_set_irqs(host, SDHCI_INT_ALL_MASK, ier); -+ if (mask & SDHCI_RESET_ALL) { -+ if (host->flags & (SDHCI_USE_SDMA | SDHCI_USE_ADMA)) { -+ if (host->ops->enable_dma) -+ host->ops->enable_dma(host); -+ } - -- if (host->flags & (SDHCI_USE_SDMA | SDHCI_USE_ADMA)) { -- if ((host->ops->enable_dma) && (mask & SDHCI_RESET_ALL)) -- host->ops->enable_dma(host); -+ /* Resetting the controller clears many */ -+ host->preset_enabled = false; - } - } - -@@ -238,15 +221,18 @@ - static void sdhci_init(struct sdhci_host *host, int soft) - { - if (soft) -- sdhci_reset(host, SDHCI_RESET_CMD|SDHCI_RESET_DATA); -+ sdhci_do_reset(host, SDHCI_RESET_CMD|SDHCI_RESET_DATA); - else -- sdhci_reset(host, SDHCI_RESET_ALL); -+ sdhci_do_reset(host, SDHCI_RESET_ALL); -+ -+ host->ier = SDHCI_INT_BUS_POWER | SDHCI_INT_DATA_END_BIT | -+ SDHCI_INT_DATA_CRC | SDHCI_INT_DATA_TIMEOUT | -+ SDHCI_INT_INDEX | SDHCI_INT_END_BIT | SDHCI_INT_CRC | -+ SDHCI_INT_TIMEOUT | SDHCI_INT_DATA_END | -+ SDHCI_INT_RESPONSE; - -- sdhci_clear_set_irqs(host, SDHCI_INT_ALL_MASK, -- SDHCI_INT_BUS_POWER | SDHCI_INT_DATA_END_BIT | -- SDHCI_INT_DATA_CRC | SDHCI_INT_DATA_TIMEOUT | SDHCI_INT_INDEX | -- SDHCI_INT_END_BIT | SDHCI_INT_CRC | SDHCI_INT_TIMEOUT | -- SDHCI_INT_DATA_END | SDHCI_INT_RESPONSE); -+ sdhci_writel(host, host->ier, SDHCI_INT_ENABLE); -+ sdhci_writel(host, host->ier, SDHCI_SIGNAL_ENABLE); - - if (soft) { - /* force clock reconfiguration */ -@@ -502,11 +488,6 @@ - else - direction = DMA_TO_DEVICE; - -- /* -- * The ADMA descriptor table is mapped further down as we -- * need to fill it with data first. -- */ -- - host->align_addr = dma_map_single(mmc_dev(host->mmc), - host->align_buffer, 128 * 4, direction); - if (dma_mapping_error(mmc_dev(host->mmc), host->align_addr)) -@@ -567,7 +548,7 @@ - * If this triggers then we have a calculation bug - * somewhere. :/ - */ -- WARN_ON((desc - host->adma_desc) > (128 * 2 + 1) * 4); -+ WARN_ON((desc - host->adma_desc) > ADMA_SIZE); - } - - if (host->quirks & SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC) { -@@ -595,17 +576,8 @@ - host->align_addr, 128 * 4, direction); - } - -- host->adma_addr = dma_map_single(mmc_dev(host->mmc), -- host->adma_desc, (128 * 2 + 1) * 4, DMA_TO_DEVICE); -- if (dma_mapping_error(mmc_dev(host->mmc), host->adma_addr)) -- goto unmap_entries; -- BUG_ON(host->adma_addr & 0x3); -- - return 0; - --unmap_entries: -- dma_unmap_sg(mmc_dev(host->mmc), data->sg, -- data->sg_len, direction); - unmap_align: - dma_unmap_single(mmc_dev(host->mmc), host->align_addr, - 128 * 4, direction); -@@ -623,19 +595,25 @@ - u8 *align; - char *buffer; - unsigned long flags; -+ bool has_unaligned; - - if (data->flags & MMC_DATA_READ) - direction = DMA_FROM_DEVICE; - else - direction = DMA_TO_DEVICE; - -- dma_unmap_single(mmc_dev(host->mmc), host->adma_addr, -- (128 * 2 + 1) * 4, DMA_TO_DEVICE); -- - dma_unmap_single(mmc_dev(host->mmc), host->align_addr, - 128 * 4, direction); - -- if (data->flags & MMC_DATA_READ) { -+ /* Do a quick scan of the SG list for any unaligned mappings */ -+ has_unaligned = false; -+ for_each_sg(data->sg, sg, host->sg_count, i) -+ if (sg_dma_address(sg) & 3) { -+ has_unaligned = true; -+ break; -+ } -+ -+ if (has_unaligned && data->flags & MMC_DATA_READ) { - dma_sync_sg_for_cpu(mmc_dev(host->mmc), data->sg, - data->sg_len, direction); - -@@ -721,9 +699,12 @@ - u32 dma_irqs = SDHCI_INT_DMA_END | SDHCI_INT_ADMA_ERROR; - - if (host->flags & SDHCI_REQ_USE_DMA) -- sdhci_clear_set_irqs(host, pio_irqs, dma_irqs); -+ host->ier = (host->ier & ~pio_irqs) | dma_irqs; - else -- sdhci_clear_set_irqs(host, dma_irqs, pio_irqs); -+ host->ier = (host->ier & ~dma_irqs) | pio_irqs; -+ -+ sdhci_writel(host, host->ier, SDHCI_INT_ENABLE); -+ sdhci_writel(host, host->ier, SDHCI_SIGNAL_ENABLE); - } - - static void sdhci_prepare_data(struct sdhci_host *host, struct mmc_command *cmd) -@@ -976,8 +957,8 @@ - * upon error conditions. - */ - if (data->error) { -- sdhci_reset(host, SDHCI_RESET_CMD); -- sdhci_reset(host, SDHCI_RESET_DATA); -+ sdhci_do_reset(host, SDHCI_RESET_CMD); -+ sdhci_do_reset(host, SDHCI_RESET_DATA); - } - - sdhci_send_command(host, data->stop); -@@ -1107,24 +1088,23 @@ - - static u16 sdhci_get_preset_value(struct sdhci_host *host) - { -- u16 ctrl, preset = 0; -+ u16 preset = 0; - -- ctrl = sdhci_readw(host, SDHCI_HOST_CONTROL2); -- -- switch (ctrl & SDHCI_CTRL_UHS_MASK) { -- case SDHCI_CTRL_UHS_SDR12: -+ switch (host->timing) { -+ case MMC_TIMING_UHS_SDR12: - preset = sdhci_readw(host, SDHCI_PRESET_FOR_SDR12); - break; -- case SDHCI_CTRL_UHS_SDR25: -+ case MMC_TIMING_UHS_SDR25: - preset = sdhci_readw(host, SDHCI_PRESET_FOR_SDR25); - break; -- case SDHCI_CTRL_UHS_SDR50: -+ case MMC_TIMING_UHS_SDR50: - preset = sdhci_readw(host, SDHCI_PRESET_FOR_SDR50); - break; -- case SDHCI_CTRL_UHS_SDR104: -+ case MMC_TIMING_UHS_SDR104: -+ case MMC_TIMING_MMC_HS200: - preset = sdhci_readw(host, SDHCI_PRESET_FOR_SDR104); - break; -- case SDHCI_CTRL_UHS_DDR50: -+ case MMC_TIMING_UHS_DDR50: - preset = sdhci_readw(host, SDHCI_PRESET_FOR_DDR50); - break; - default: -@@ -1136,32 +1116,22 @@ - return preset; - } - --static void sdhci_set_clock(struct sdhci_host *host, unsigned int clock) -+void sdhci_set_clock(struct sdhci_host *host, unsigned int clock) - { - int div = 0; /* Initialized for compiler warning */ - int real_div = div, clk_mul = 1; - u16 clk = 0; - unsigned long timeout; - -- if (clock && clock == host->clock) -- return; -- - host->mmc->actual_clock = 0; - -- if (host->ops->set_clock) { -- host->ops->set_clock(host, clock); -- if (host->quirks & SDHCI_QUIRK_NONSTANDARD_CLOCK) -- return; -- } -- - sdhci_writew(host, 0, SDHCI_CLOCK_CONTROL); - - if (clock == 0) -- goto out; -+ return; - - if (host->version >= SDHCI_SPEC_300) { -- if (sdhci_readw(host, SDHCI_HOST_CONTROL2) & -- SDHCI_CTRL_PRESET_VAL_ENABLE) { -+ if (host->preset_enabled) { - u16 pre_val; - - clk = sdhci_readw(host, SDHCI_CLOCK_CONTROL); -@@ -1247,26 +1217,16 @@ - - clk |= SDHCI_CLOCK_CARD_EN; - sdhci_writew(host, clk, SDHCI_CLOCK_CONTROL); -- --out: -- host->clock = clock; --} -- --static inline void sdhci_update_clock(struct sdhci_host *host) --{ -- unsigned int clock; -- -- clock = host->clock; -- host->clock = 0; -- sdhci_set_clock(host, clock); - } -+EXPORT_SYMBOL_GPL(sdhci_set_clock); - --static int sdhci_set_power(struct sdhci_host *host, unsigned short power) -+static void sdhci_set_power(struct sdhci_host *host, unsigned char mode, -+ unsigned short vdd) - { - u8 pwr = 0; - -- if (power != (unsigned short)-1) { -- switch (1 << power) { -+ if (mode != MMC_POWER_OFF) { -+ switch (1 << vdd) { - case MMC_VDD_165_195: - pwr = SDHCI_POWER_180; - break; -@@ -1284,7 +1244,7 @@ - } - - if (host->pwr == pwr) -- return -1; -+ return; - - host->pwr = pwr; - -@@ -1292,38 +1252,43 @@ - sdhci_writeb(host, 0, SDHCI_POWER_CONTROL); - if (host->quirks2 & SDHCI_QUIRK2_CARD_ON_NEEDS_BUS_ON) - sdhci_runtime_pm_bus_off(host); -- return 0; -- } -- -- /* -- * Spec says that we should clear the power reg before setting -- * a new value. Some controllers don't seem to like this though. -- */ -- if (!(host->quirks & SDHCI_QUIRK_SINGLE_POWER_WRITE)) -- sdhci_writeb(host, 0, SDHCI_POWER_CONTROL); -+ vdd = 0; -+ } else { -+ /* -+ * Spec says that we should clear the power reg before setting -+ * a new value. Some controllers don't seem to like this though. -+ */ -+ if (!(host->quirks & SDHCI_QUIRK_SINGLE_POWER_WRITE)) -+ sdhci_writeb(host, 0, SDHCI_POWER_CONTROL); - -- /* -- * At least the Marvell CaFe chip gets confused if we set the voltage -- * and set turn on power at the same time, so set the voltage first. -- */ -- if (host->quirks & SDHCI_QUIRK_NO_SIMULT_VDD_AND_POWER) -- sdhci_writeb(host, pwr, SDHCI_POWER_CONTROL); -+ /* -+ * At least the Marvell CaFe chip gets confused if we set the -+ * voltage and set turn on power at the same time, so set the -+ * voltage first. -+ */ -+ if (host->quirks & SDHCI_QUIRK_NO_SIMULT_VDD_AND_POWER) -+ sdhci_writeb(host, pwr, SDHCI_POWER_CONTROL); - -- pwr |= SDHCI_POWER_ON; -+ pwr |= SDHCI_POWER_ON; - -- sdhci_writeb(host, pwr, SDHCI_POWER_CONTROL); -+ sdhci_writeb(host, pwr, SDHCI_POWER_CONTROL); - -- if (host->quirks2 & SDHCI_QUIRK2_CARD_ON_NEEDS_BUS_ON) -- sdhci_runtime_pm_bus_on(host); -+ if (host->quirks2 & SDHCI_QUIRK2_CARD_ON_NEEDS_BUS_ON) -+ sdhci_runtime_pm_bus_on(host); - -- /* -- * Some controllers need an extra 10ms delay of 10ms before they -- * can apply clock after applying power -- */ -- if (host->quirks & SDHCI_QUIRK_DELAY_AFTER_POWER) -- mdelay(10); -+ /* -+ * Some controllers need an extra 10ms delay of 10ms before -+ * they can apply clock after applying power -+ */ -+ if (host->quirks & SDHCI_QUIRK_DELAY_AFTER_POWER) -+ mdelay(10); -+ } - -- return power; -+ if (host->vmmc) { -+ spin_unlock_irq(&host->lock); -+ mmc_regulator_set_ocr(host->mmc, host->vmmc, vdd); -+ spin_lock_irq(&host->lock); -+ } - } - - /*****************************************************************************\ -@@ -1427,10 +1392,52 @@ - spin_unlock_irqrestore(&host->lock, flags); - } - -+void sdhci_set_bus_width(struct sdhci_host *host, int width) -+{ -+ u8 ctrl; -+ -+ ctrl = sdhci_readb(host, SDHCI_HOST_CONTROL); -+ if (width == MMC_BUS_WIDTH_8) { -+ ctrl &= ~SDHCI_CTRL_4BITBUS; -+ if (host->version >= SDHCI_SPEC_300) -+ ctrl |= SDHCI_CTRL_8BITBUS; -+ } else { -+ if (host->version >= SDHCI_SPEC_300) -+ ctrl &= ~SDHCI_CTRL_8BITBUS; -+ if (width == MMC_BUS_WIDTH_4) -+ ctrl |= SDHCI_CTRL_4BITBUS; -+ else -+ ctrl &= ~SDHCI_CTRL_4BITBUS; -+ } -+ sdhci_writeb(host, ctrl, SDHCI_HOST_CONTROL); -+} -+EXPORT_SYMBOL_GPL(sdhci_set_bus_width); -+ -+void sdhci_set_uhs_signaling(struct sdhci_host *host, unsigned timing) -+{ -+ u16 ctrl_2; -+ -+ ctrl_2 = sdhci_readw(host, SDHCI_HOST_CONTROL2); -+ /* Select Bus Speed Mode for host */ -+ ctrl_2 &= ~SDHCI_CTRL_UHS_MASK; -+ if ((timing == MMC_TIMING_MMC_HS200) || -+ (timing == MMC_TIMING_UHS_SDR104)) -+ ctrl_2 |= SDHCI_CTRL_UHS_SDR104; -+ else if (timing == MMC_TIMING_UHS_SDR12) -+ ctrl_2 |= SDHCI_CTRL_UHS_SDR12; -+ else if (timing == MMC_TIMING_UHS_SDR25) -+ ctrl_2 |= SDHCI_CTRL_UHS_SDR25; -+ else if (timing == MMC_TIMING_UHS_SDR50) -+ ctrl_2 |= SDHCI_CTRL_UHS_SDR50; -+ else if (timing == MMC_TIMING_UHS_DDR50) -+ ctrl_2 |= SDHCI_CTRL_UHS_DDR50; -+ sdhci_writew(host, ctrl_2, SDHCI_HOST_CONTROL2); -+} -+EXPORT_SYMBOL_GPL(sdhci_set_uhs_signaling); -+ - static void sdhci_do_set_ios(struct sdhci_host *host, struct mmc_ios *ios) - { - unsigned long flags; -- int vdd_bit = -1; - u8 ctrl; - - spin_lock_irqsave(&host->lock, flags); -@@ -1456,45 +1463,17 @@ - !(host->quirks2 & SDHCI_QUIRK2_PRESET_VALUE_BROKEN)) - sdhci_enable_preset_value(host, false); - -- sdhci_set_clock(host, ios->clock); -- -- if (ios->power_mode == MMC_POWER_OFF) -- vdd_bit = sdhci_set_power(host, -1); -- else -- vdd_bit = sdhci_set_power(host, ios->vdd); -- -- if (host->vmmc && vdd_bit != -1) { -- spin_unlock_irqrestore(&host->lock, flags); -- mmc_regulator_set_ocr(host->mmc, host->vmmc, vdd_bit); -- spin_lock_irqsave(&host->lock, flags); -+ if (!ios->clock || ios->clock != host->clock) { -+ host->ops->set_clock(host, ios->clock); -+ host->clock = ios->clock; - } - -+ sdhci_set_power(host, ios->power_mode, ios->vdd); -+ - if (host->ops->platform_send_init_74_clocks) - host->ops->platform_send_init_74_clocks(host, ios->power_mode); - -- /* -- * If your platform has 8-bit width support but is not a v3 controller, -- * or if it requires special setup code, you should implement that in -- * platform_bus_width(). -- */ -- if (host->ops->platform_bus_width) { -- host->ops->platform_bus_width(host, ios->bus_width); -- } else { -- ctrl = sdhci_readb(host, SDHCI_HOST_CONTROL); -- if (ios->bus_width == MMC_BUS_WIDTH_8) { -- ctrl &= ~SDHCI_CTRL_4BITBUS; -- if (host->version >= SDHCI_SPEC_300) -- ctrl |= SDHCI_CTRL_8BITBUS; -- } else { -- if (host->version >= SDHCI_SPEC_300) -- ctrl &= ~SDHCI_CTRL_8BITBUS; -- if (ios->bus_width == MMC_BUS_WIDTH_4) -- ctrl |= SDHCI_CTRL_4BITBUS; -- else -- ctrl &= ~SDHCI_CTRL_4BITBUS; -- } -- sdhci_writeb(host, ctrl, SDHCI_HOST_CONTROL); -- } -+ host->ops->set_bus_width(host, ios->bus_width); - - ctrl = sdhci_readb(host, SDHCI_HOST_CONTROL); - -@@ -1516,13 +1495,13 @@ - (ios->timing == MMC_TIMING_UHS_SDR25)) - ctrl |= SDHCI_CTRL_HISPD; - -- ctrl_2 = sdhci_readw(host, SDHCI_HOST_CONTROL2); -- if (!(ctrl_2 & SDHCI_CTRL_PRESET_VAL_ENABLE)) { -+ if (!host->preset_enabled) { - sdhci_writeb(host, ctrl, SDHCI_HOST_CONTROL); - /* - * We only need to set Driver Strength if the - * preset value enable is not set. - */ -+ ctrl_2 = sdhci_readw(host, SDHCI_HOST_CONTROL2); - ctrl_2 &= ~SDHCI_CTRL_DRV_TYPE_MASK; - if (ios->drv_type == MMC_SET_DRIVER_TYPE_A) - ctrl_2 |= SDHCI_CTRL_DRV_TYPE_A; -@@ -1546,34 +1525,11 @@ - sdhci_writeb(host, ctrl, SDHCI_HOST_CONTROL); - - /* Re-enable SD Clock */ -- sdhci_update_clock(host); -+ host->ops->set_clock(host, host->clock); - } - -- -- /* Reset SD Clock Enable */ -- clk = sdhci_readw(host, SDHCI_CLOCK_CONTROL); -- clk &= ~SDHCI_CLOCK_CARD_EN; -- sdhci_writew(host, clk, SDHCI_CLOCK_CONTROL); -- -- if (host->ops->set_uhs_signaling) -- host->ops->set_uhs_signaling(host, ios->timing); -- else { -- ctrl_2 = sdhci_readw(host, SDHCI_HOST_CONTROL2); -- /* Select Bus Speed Mode for host */ -- ctrl_2 &= ~SDHCI_CTRL_UHS_MASK; -- if ((ios->timing == MMC_TIMING_MMC_HS200) || -- (ios->timing == MMC_TIMING_UHS_SDR104)) -- ctrl_2 |= SDHCI_CTRL_UHS_SDR104; -- else if (ios->timing == MMC_TIMING_UHS_SDR12) -- ctrl_2 |= SDHCI_CTRL_UHS_SDR12; -- else if (ios->timing == MMC_TIMING_UHS_SDR25) -- ctrl_2 |= SDHCI_CTRL_UHS_SDR25; -- else if (ios->timing == MMC_TIMING_UHS_SDR50) -- ctrl_2 |= SDHCI_CTRL_UHS_SDR50; -- else if (ios->timing == MMC_TIMING_UHS_DDR50) -- ctrl_2 |= SDHCI_CTRL_UHS_DDR50; -- sdhci_writew(host, ctrl_2, SDHCI_HOST_CONTROL2); -- } -+ host->ops->set_uhs_signaling(host, ios->timing); -+ host->timing = ios->timing; - - if (!(host->quirks2 & SDHCI_QUIRK2_PRESET_VALUE_BROKEN) && - ((ios->timing == MMC_TIMING_UHS_SDR12) || -@@ -1588,9 +1544,6 @@ - ios->drv_type = (preset & SDHCI_PRESET_DRV_MASK) - >> SDHCI_PRESET_DRV_SHIFT; - } -- -- /* Re-enable SD Clock */ -- sdhci_update_clock(host); - } else - sdhci_writeb(host, ctrl, SDHCI_HOST_CONTROL); - -@@ -1600,7 +1553,7 @@ - * it on each ios seems to solve the problem. - */ - if(host->quirks & SDHCI_QUIRK_RESET_CMD_DATA_ON_IOS) -- sdhci_reset(host, SDHCI_RESET_CMD | SDHCI_RESET_DATA); -+ sdhci_do_reset(host, SDHCI_RESET_CMD | SDHCI_RESET_DATA); - - mmiowb(); - spin_unlock_irqrestore(&host->lock, flags); -@@ -1709,24 +1662,16 @@ - - static void sdhci_enable_sdio_irq_nolock(struct sdhci_host *host, int enable) - { -- if (host->flags & SDHCI_DEVICE_DEAD) -- goto out; -- -- if (enable) -- host->flags |= SDHCI_SDIO_IRQ_ENABLED; -- else -- host->flags &= ~SDHCI_SDIO_IRQ_ENABLED; -- -- /* SDIO IRQ will be enabled as appropriate in runtime resume */ -- if (host->runtime_suspended) -- goto out; -+ if (!(host->flags & SDHCI_DEVICE_DEAD)) { -+ if (enable) -+ host->ier |= SDHCI_INT_CARD_INT; -+ else -+ host->ier &= ~SDHCI_INT_CARD_INT; - -- if (enable) -- sdhci_unmask_irqs(host, SDHCI_INT_CARD_INT); -- else -- sdhci_mask_irqs(host, SDHCI_INT_CARD_INT); --out: -- mmiowb(); -+ sdhci_writel(host, host->ier, SDHCI_INT_ENABLE); -+ sdhci_writel(host, host->ier, SDHCI_SIGNAL_ENABLE); -+ mmiowb(); -+ } - } - - static void sdhci_enable_sdio_irq(struct mmc_host *mmc, int enable) -@@ -1734,9 +1679,18 @@ - struct sdhci_host *host = mmc_priv(mmc); - unsigned long flags; - -+ sdhci_runtime_pm_get(host); -+ - spin_lock_irqsave(&host->lock, flags); -+ if (enable) -+ host->flags |= SDHCI_SDIO_IRQ_ENABLED; -+ else -+ host->flags &= ~SDHCI_SDIO_IRQ_ENABLED; -+ - sdhci_enable_sdio_irq_nolock(host, enable); - spin_unlock_irqrestore(&host->lock, flags); -+ -+ sdhci_runtime_pm_put(host); - } - - static int sdhci_do_start_signal_voltage_switch(struct sdhci_host *host, -@@ -1798,9 +1752,6 @@ - ctrl |= SDHCI_CTRL_VDD_180; - sdhci_writew(host, ctrl, SDHCI_HOST_CONTROL2); - -- /* Wait for 5ms */ -- usleep_range(5000, 5500); -- - /* 1.8V regulator output should be stable within 5 ms */ - ctrl = sdhci_readw(host, SDHCI_HOST_CONTROL2); - if (ctrl & SDHCI_CTRL_VDD_180) -@@ -1855,22 +1806,16 @@ - - static int sdhci_execute_tuning(struct mmc_host *mmc, u32 opcode) - { -- struct sdhci_host *host; -+ struct sdhci_host *host = mmc_priv(mmc); - u16 ctrl; -- u32 ier; - int tuning_loop_counter = MAX_TUNING_LOOP; - unsigned long timeout; - int err = 0; -- bool requires_tuning_nonuhs = false; - unsigned long flags; - -- host = mmc_priv(mmc); -- - sdhci_runtime_pm_get(host); - spin_lock_irqsave(&host->lock, flags); - -- ctrl = sdhci_readw(host, SDHCI_HOST_CONTROL2); -- - /* - * The Host Controller needs tuning only in case of SDR104 mode - * and for SDR50 mode when Use Tuning for SDR50 is set in the -@@ -1878,15 +1823,18 @@ - * If the Host Controller supports the HS200 mode then the - * tuning function has to be executed. - */ -- if (((ctrl & SDHCI_CTRL_UHS_MASK) == SDHCI_CTRL_UHS_SDR50) && -- (host->flags & SDHCI_SDR50_NEEDS_TUNING || -- host->flags & SDHCI_SDR104_NEEDS_TUNING)) -- requires_tuning_nonuhs = true; -- -- if (((ctrl & SDHCI_CTRL_UHS_MASK) == SDHCI_CTRL_UHS_SDR104) || -- requires_tuning_nonuhs) -- ctrl |= SDHCI_CTRL_EXEC_TUNING; -- else { -+ switch (host->timing) { -+ case MMC_TIMING_MMC_HS200: -+ case MMC_TIMING_UHS_SDR104: -+ break; -+ -+ case MMC_TIMING_UHS_SDR50: -+ if (host->flags & SDHCI_SDR50_NEEDS_TUNING || -+ host->flags & SDHCI_SDR104_NEEDS_TUNING) -+ break; -+ /* FALLTHROUGH */ -+ -+ default: - spin_unlock_irqrestore(&host->lock, flags); - sdhci_runtime_pm_put(host); - return 0; -@@ -1899,6 +1847,8 @@ - return err; - } - -+ ctrl = sdhci_readw(host, SDHCI_HOST_CONTROL2); -+ ctrl |= SDHCI_CTRL_EXEC_TUNING; - sdhci_writew(host, ctrl, SDHCI_HOST_CONTROL2); - - /* -@@ -1911,8 +1861,8 @@ - * to make sure we don't hit a controller bug, we _only_ - * enable Buffer Read Ready interrupt here. - */ -- ier = sdhci_readl(host, SDHCI_INT_ENABLE); -- sdhci_clear_set_irqs(host, ier, SDHCI_INT_DATA_AVAIL); -+ sdhci_writel(host, SDHCI_INT_DATA_AVAIL, SDHCI_INT_ENABLE); -+ sdhci_writel(host, SDHCI_INT_DATA_AVAIL, SDHCI_SIGNAL_ENABLE); - - /* - * Issue CMD19 repeatedly till Execute Tuning is set to 0 or the number -@@ -2044,7 +1994,8 @@ - if (err && (host->flags & SDHCI_USING_RETUNING_TIMER)) - err = 0; - -- sdhci_clear_set_irqs(host, SDHCI_INT_DATA_AVAIL, ier); -+ sdhci_writel(host, host->ier, SDHCI_INT_ENABLE); -+ sdhci_writel(host, host->ier, SDHCI_SIGNAL_ENABLE); - spin_unlock_irqrestore(&host->lock, flags); - sdhci_runtime_pm_put(host); - -@@ -2054,26 +2005,30 @@ - - static void sdhci_enable_preset_value(struct sdhci_host *host, bool enable) - { -- u16 ctrl; -- - /* Host Controller v3.00 defines preset value registers */ - if (host->version < SDHCI_SPEC_300) - return; - -- ctrl = sdhci_readw(host, SDHCI_HOST_CONTROL2); -- - /* - * We only enable or disable Preset Value if they are not already - * enabled or disabled respectively. Otherwise, we bail out. - */ -- if (enable && !(ctrl & SDHCI_CTRL_PRESET_VAL_ENABLE)) { -- ctrl |= SDHCI_CTRL_PRESET_VAL_ENABLE; -- sdhci_writew(host, ctrl, SDHCI_HOST_CONTROL2); -- host->flags |= SDHCI_PV_ENABLED; -- } else if (!enable && (ctrl & SDHCI_CTRL_PRESET_VAL_ENABLE)) { -- ctrl &= ~SDHCI_CTRL_PRESET_VAL_ENABLE; -+ if (host->preset_enabled != enable) { -+ u16 ctrl = sdhci_readw(host, SDHCI_HOST_CONTROL2); -+ -+ if (enable) -+ ctrl |= SDHCI_CTRL_PRESET_VAL_ENABLE; -+ else -+ ctrl &= ~SDHCI_CTRL_PRESET_VAL_ENABLE; -+ - sdhci_writew(host, ctrl, SDHCI_HOST_CONTROL2); -- host->flags &= ~SDHCI_PV_ENABLED; -+ -+ if (enable) -+ host->flags |= SDHCI_PV_ENABLED; -+ else -+ host->flags &= ~SDHCI_PV_ENABLED; -+ -+ host->preset_enabled = enable; - } - } - -@@ -2095,8 +2050,8 @@ - pr_err("%s: Resetting controller.\n", - mmc_hostname(host->mmc)); - -- sdhci_reset(host, SDHCI_RESET_CMD); -- sdhci_reset(host, SDHCI_RESET_DATA); -+ sdhci_do_reset(host, SDHCI_RESET_CMD); -+ sdhci_do_reset(host, SDHCI_RESET_DATA); - - host->mrq->cmd->error = -ENOMEDIUM; - tasklet_schedule(&host->finish_tasklet); -@@ -2124,15 +2079,6 @@ - * * - \*****************************************************************************/ - --static void sdhci_tasklet_card(unsigned long param) --{ -- struct sdhci_host *host = (struct sdhci_host*)param; -- -- sdhci_card_event(host->mmc); -- -- mmc_detect_change(host->mmc, msecs_to_jiffies(200)); --} -- - static void sdhci_tasklet_finish(unsigned long param) - { - struct sdhci_host *host; -@@ -2169,12 +2115,12 @@ - /* Some controllers need this kick or reset won't work here */ - if (host->quirks & SDHCI_QUIRK_CLOCK_BEFORE_RESET) - /* This is to force an update */ -- sdhci_update_clock(host); -+ host->ops->set_clock(host, host->clock); - - /* Spec says we should do both at the same time, but Ricoh - controllers do not like that. */ -- sdhci_reset(host, SDHCI_RESET_CMD); -- sdhci_reset(host, SDHCI_RESET_DATA); -+ sdhci_do_reset(host, SDHCI_RESET_CMD); -+ sdhci_do_reset(host, SDHCI_RESET_DATA); - } - - host->mrq = NULL; -@@ -2424,101 +2370,94 @@ - - static irqreturn_t sdhci_irq(int irq, void *dev_id) - { -- irqreturn_t result; -+ irqreturn_t result = IRQ_NONE; - struct sdhci_host *host = dev_id; -- u32 intmask, unexpected = 0; -- int cardint = 0, max_loops = 16; -+ u32 intmask, mask, unexpected = 0; -+ int max_loops = 16; - - spin_lock(&host->lock); - -- if (host->runtime_suspended) { -+ if (host->runtime_suspended && !sdhci_sdio_irq_enabled(host)) { - spin_unlock(&host->lock); - return IRQ_NONE; - } - - intmask = sdhci_readl(host, SDHCI_INT_STATUS); -- - if (!intmask || intmask == 0xffffffff) { - result = IRQ_NONE; - goto out; - } - --again: -- DBG("*** %s got interrupt: 0x%08x\n", -- mmc_hostname(host->mmc), intmask); -- -- if (intmask & (SDHCI_INT_CARD_INSERT | SDHCI_INT_CARD_REMOVE)) { -- u32 present = sdhci_readl(host, SDHCI_PRESENT_STATE) & -- SDHCI_CARD_PRESENT; -- -- /* -- * There is a observation on i.mx esdhc. INSERT bit will be -- * immediately set again when it gets cleared, if a card is -- * inserted. We have to mask the irq to prevent interrupt -- * storm which will freeze the system. And the REMOVE gets -- * the same situation. -- * -- * More testing are needed here to ensure it works for other -- * platforms though. -- */ -- sdhci_mask_irqs(host, present ? SDHCI_INT_CARD_INSERT : -- SDHCI_INT_CARD_REMOVE); -- sdhci_unmask_irqs(host, present ? SDHCI_INT_CARD_REMOVE : -- SDHCI_INT_CARD_INSERT); -- -- sdhci_writel(host, intmask & (SDHCI_INT_CARD_INSERT | -- SDHCI_INT_CARD_REMOVE), SDHCI_INT_STATUS); -- intmask &= ~(SDHCI_INT_CARD_INSERT | SDHCI_INT_CARD_REMOVE); -- tasklet_schedule(&host->card_tasklet); -- } -- -- if (intmask & SDHCI_INT_CMD_MASK) { -- sdhci_writel(host, intmask & SDHCI_INT_CMD_MASK, -- SDHCI_INT_STATUS); -- sdhci_cmd_irq(host, intmask & SDHCI_INT_CMD_MASK); -- } -+ do { -+ /* Clear selected interrupts. */ -+ mask = intmask & (SDHCI_INT_CMD_MASK | SDHCI_INT_DATA_MASK | -+ SDHCI_INT_BUS_POWER); -+ sdhci_writel(host, mask, SDHCI_INT_STATUS); -+ -+ DBG("*** %s got interrupt: 0x%08x\n", -+ mmc_hostname(host->mmc), intmask); -+ -+ if (intmask & (SDHCI_INT_CARD_INSERT | SDHCI_INT_CARD_REMOVE)) { -+ u32 present = sdhci_readl(host, SDHCI_PRESENT_STATE) & -+ SDHCI_CARD_PRESENT; - -- if (intmask & SDHCI_INT_DATA_MASK) { -- sdhci_writel(host, intmask & SDHCI_INT_DATA_MASK, -- SDHCI_INT_STATUS); -- sdhci_data_irq(host, intmask & SDHCI_INT_DATA_MASK); -- } -+ /* -+ * There is a observation on i.mx esdhc. INSERT -+ * bit will be immediately set again when it gets -+ * cleared, if a card is inserted. We have to mask -+ * the irq to prevent interrupt storm which will -+ * freeze the system. And the REMOVE gets the -+ * same situation. -+ * -+ * More testing are needed here to ensure it works -+ * for other platforms though. -+ */ -+ host->ier &= ~(SDHCI_INT_CARD_INSERT | -+ SDHCI_INT_CARD_REMOVE); -+ host->ier |= present ? SDHCI_INT_CARD_REMOVE : -+ SDHCI_INT_CARD_INSERT; -+ sdhci_writel(host, host->ier, SDHCI_INT_ENABLE); -+ sdhci_writel(host, host->ier, SDHCI_SIGNAL_ENABLE); - -- intmask &= ~(SDHCI_INT_CMD_MASK | SDHCI_INT_DATA_MASK); -+ sdhci_writel(host, intmask & (SDHCI_INT_CARD_INSERT | -+ SDHCI_INT_CARD_REMOVE), SDHCI_INT_STATUS); - -- intmask &= ~SDHCI_INT_ERROR; -+ host->thread_isr |= intmask & (SDHCI_INT_CARD_INSERT | -+ SDHCI_INT_CARD_REMOVE); -+ result = IRQ_WAKE_THREAD; -+ } - -- if (intmask & SDHCI_INT_BUS_POWER) { -- pr_err("%s: Card is consuming too much power!\n", -- mmc_hostname(host->mmc)); -- sdhci_writel(host, SDHCI_INT_BUS_POWER, SDHCI_INT_STATUS); -- } -+ if (intmask & SDHCI_INT_CMD_MASK) -+ sdhci_cmd_irq(host, intmask & SDHCI_INT_CMD_MASK); - -- intmask &= ~SDHCI_INT_BUS_POWER; -+ if (intmask & SDHCI_INT_DATA_MASK) -+ sdhci_data_irq(host, intmask & SDHCI_INT_DATA_MASK); - -- if (intmask & SDHCI_INT_CARD_INT) -- cardint = 1; -+ if (intmask & SDHCI_INT_BUS_POWER) -+ pr_err("%s: Card is consuming too much power!\n", -+ mmc_hostname(host->mmc)); - -- intmask &= ~SDHCI_INT_CARD_INT; -+ if (intmask & SDHCI_INT_CARD_INT) { -+ sdhci_enable_sdio_irq_nolock(host, false); -+ host->thread_isr |= SDHCI_INT_CARD_INT; -+ result = IRQ_WAKE_THREAD; -+ } - -- if (intmask) { -- unexpected |= intmask; -- sdhci_writel(host, intmask, SDHCI_INT_STATUS); -- } -+ intmask &= ~(SDHCI_INT_CARD_INSERT | SDHCI_INT_CARD_REMOVE | -+ SDHCI_INT_CMD_MASK | SDHCI_INT_DATA_MASK | -+ SDHCI_INT_ERROR | SDHCI_INT_BUS_POWER | -+ SDHCI_INT_CARD_INT); - -- result = IRQ_HANDLED; -+ if (intmask) { -+ unexpected |= intmask; -+ sdhci_writel(host, intmask, SDHCI_INT_STATUS); -+ } - -- intmask = sdhci_readl(host, SDHCI_INT_STATUS); -+ if (result == IRQ_NONE) -+ result = IRQ_HANDLED; - -- /* -- * If we know we'll call the driver to signal SDIO IRQ, disregard -- * further indications of Card Interrupt in the status to avoid a -- * needless loop. -- */ -- if (cardint) -- intmask &= ~SDHCI_INT_CARD_INT; -- if (intmask && --max_loops) -- goto again; -+ intmask = sdhci_readl(host, SDHCI_INT_STATUS); -+ } while (intmask && --max_loops); - out: - spin_unlock(&host->lock); - -@@ -2527,15 +2466,38 @@ - mmc_hostname(host->mmc), unexpected); - sdhci_dumpregs(host); - } -- /* -- * We have to delay this as it calls back into the driver. -- */ -- if (cardint) -- mmc_signal_sdio_irq(host->mmc); - - return result; - } - -+static irqreturn_t sdhci_thread_irq(int irq, void *dev_id) -+{ -+ struct sdhci_host *host = dev_id; -+ unsigned long flags; -+ u32 isr; -+ -+ spin_lock_irqsave(&host->lock, flags); -+ isr = host->thread_isr; -+ host->thread_isr = 0; -+ spin_unlock_irqrestore(&host->lock, flags); -+ -+ if (isr & (SDHCI_INT_CARD_INSERT | SDHCI_INT_CARD_REMOVE)) { -+ sdhci_card_event(host->mmc); -+ mmc_detect_change(host->mmc, msecs_to_jiffies(200)); -+ } -+ -+ if (isr & SDHCI_INT_CARD_INT) { -+ sdio_run_irqs(host->mmc); -+ -+ spin_lock_irqsave(&host->lock, flags); -+ if (host->flags & SDHCI_SDIO_IRQ_ENABLED) -+ sdhci_enable_sdio_irq_nolock(host, true); -+ spin_unlock_irqrestore(&host->lock, flags); -+ } -+ -+ return isr ? IRQ_HANDLED : IRQ_NONE; -+} -+ - /*****************************************************************************\ - * * - * Suspend/resume * -@@ -2572,9 +2534,6 @@ - - int sdhci_suspend_host(struct sdhci_host *host) - { -- if (host->ops->platform_suspend) -- host->ops->platform_suspend(host); -- - sdhci_disable_card_detection(host); - - /* Disable tuning since we are suspending */ -@@ -2584,7 +2543,9 @@ - } - - if (!device_may_wakeup(mmc_dev(host->mmc))) { -- sdhci_mask_irqs(host, SDHCI_INT_ALL_MASK); -+ host->ier = 0; -+ sdhci_writel(host, 0, SDHCI_INT_ENABLE); -+ sdhci_writel(host, 0, SDHCI_SIGNAL_ENABLE); - free_irq(host->irq, host); - } else { - sdhci_enable_irq_wakeups(host); -@@ -2605,8 +2566,9 @@ - } - - if (!device_may_wakeup(mmc_dev(host->mmc))) { -- ret = request_irq(host->irq, sdhci_irq, IRQF_SHARED, -- mmc_hostname(host->mmc), host); -+ ret = request_threaded_irq(host->irq, sdhci_irq, -+ sdhci_thread_irq, IRQF_SHARED, -+ mmc_hostname(host->mmc), host); - if (ret) - return ret; - } else { -@@ -2628,9 +2590,6 @@ - - sdhci_enable_card_detection(host); - -- if (host->ops->platform_resume) -- host->ops->platform_resume(host); -- - /* Set the re-tuning expiration flag */ - if (host->flags & SDHCI_USING_RETUNING_TIMER) - host->flags |= SDHCI_NEEDS_RETUNING; -@@ -2682,10 +2641,12 @@ - } - - spin_lock_irqsave(&host->lock, flags); -- sdhci_mask_irqs(host, SDHCI_INT_ALL_MASK); -+ host->ier &= SDHCI_INT_CARD_INT; -+ sdhci_writel(host, host->ier, SDHCI_INT_ENABLE); -+ sdhci_writel(host, host->ier, SDHCI_SIGNAL_ENABLE); - spin_unlock_irqrestore(&host->lock, flags); - -- synchronize_irq(host->irq); -+ synchronize_hardirq(host->irq); - - spin_lock_irqsave(&host->lock, flags); - host->runtime_suspended = true; -@@ -2729,7 +2690,7 @@ - host->runtime_suspended = false; - - /* Enable SDIO IRQ */ -- if ((host->flags & SDHCI_SDIO_IRQ_ENABLED)) -+ if (host->flags & SDHCI_SDIO_IRQ_ENABLED) - sdhci_enable_sdio_irq_nolock(host, true); - - /* Enable Card Detection */ -@@ -2788,7 +2749,7 @@ - if (debug_quirks2) - host->quirks2 = debug_quirks2; - -- sdhci_reset(host, SDHCI_RESET_ALL); -+ sdhci_do_reset(host, SDHCI_RESET_ALL); - - host->version = sdhci_readw(host, SDHCI_HOST_VERSION); - host->version = (host->version & SDHCI_SPEC_VER_MASK) -@@ -2848,15 +2809,29 @@ - * (128) and potentially one alignment transfer for - * each of those entries. - */ -- host->adma_desc = kmalloc((128 * 2 + 1) * 4, GFP_KERNEL); -+ host->adma_desc = dma_alloc_coherent(mmc_dev(host->mmc), -+ ADMA_SIZE, &host->adma_addr, -+ GFP_KERNEL); - host->align_buffer = kmalloc(128 * 4, GFP_KERNEL); - if (!host->adma_desc || !host->align_buffer) { -- kfree(host->adma_desc); -+ dma_free_coherent(mmc_dev(host->mmc), ADMA_SIZE, -+ host->adma_desc, host->adma_addr); - kfree(host->align_buffer); - pr_warning("%s: Unable to allocate ADMA " - "buffers. Falling back to standard DMA.\n", - mmc_hostname(mmc)); - host->flags &= ~SDHCI_USE_ADMA; -+ host->adma_desc = NULL; -+ host->align_buffer = NULL; -+ } else if (host->adma_addr & 3) { -+ pr_warning("%s: unable to allocate aligned ADMA descriptor\n", -+ mmc_hostname(mmc)); -+ host->flags &= ~SDHCI_USE_ADMA; -+ dma_free_coherent(mmc_dev(host->mmc), ADMA_SIZE, -+ host->adma_desc, host->adma_addr); -+ kfree(host->align_buffer); -+ host->adma_desc = NULL; -+ host->align_buffer = NULL; - } - } - -@@ -2941,6 +2916,7 @@ - mmc->max_busy_timeout = (1 << 27) / host->timeout_clk; - - mmc->caps |= MMC_CAP_SDIO_IRQ | MMC_CAP_ERASE | MMC_CAP_CMD23; -+ mmc->caps2 |= MMC_CAP2_SDIO_NOTHREAD; - - if (host->quirks & SDHCI_QUIRK_MULTIBLOCK_READ_ACMD12) - host->flags |= SDHCI_AUTO_CMD12; -@@ -3212,8 +3188,6 @@ - /* - * Init tasklets. - */ -- tasklet_init(&host->card_tasklet, -- sdhci_tasklet_card, (unsigned long)host); - tasklet_init(&host->finish_tasklet, - sdhci_tasklet_finish, (unsigned long)host); - -@@ -3230,8 +3204,8 @@ - - sdhci_init(host, 0); - -- ret = request_irq(host->irq, sdhci_irq, IRQF_SHARED, -- mmc_hostname(mmc), host); -+ ret = request_threaded_irq(host->irq, sdhci_irq, sdhci_thread_irq, -+ IRQF_SHARED, mmc_hostname(mmc), host); - if (ret) { - pr_err("%s: Failed to request IRQ %d: %d\n", - mmc_hostname(mmc), host->irq, ret); -@@ -3273,12 +3247,12 @@ - - #ifdef SDHCI_USE_LEDS_CLASS - reset: -- sdhci_reset(host, SDHCI_RESET_ALL); -- sdhci_mask_irqs(host, SDHCI_INT_ALL_MASK); -+ sdhci_do_reset(host, SDHCI_RESET_ALL); -+ sdhci_writel(host, 0, SDHCI_INT_ENABLE); -+ sdhci_writel(host, 0, SDHCI_SIGNAL_ENABLE); - free_irq(host->irq, host); - #endif - untasklet: -- tasklet_kill(&host->card_tasklet); - tasklet_kill(&host->finish_tasklet); - - return ret; -@@ -3315,14 +3289,14 @@ - #endif - - if (!dead) -- sdhci_reset(host, SDHCI_RESET_ALL); -+ sdhci_do_reset(host, SDHCI_RESET_ALL); - -- sdhci_mask_irqs(host, SDHCI_INT_ALL_MASK); -+ sdhci_writel(host, 0, SDHCI_INT_ENABLE); -+ sdhci_writel(host, 0, SDHCI_SIGNAL_ENABLE); - free_irq(host->irq, host); - - del_timer_sync(&host->timer); - -- tasklet_kill(&host->card_tasklet); - tasklet_kill(&host->finish_tasklet); - - if (host->vmmc) { -@@ -3335,7 +3309,9 @@ - regulator_put(host->vqmmc); - } - -- kfree(host->adma_desc); -+ if (host->adma_desc) -+ dma_free_coherent(mmc_dev(host->mmc), ADMA_SIZE, -+ host->adma_desc, host->adma_addr); - kfree(host->align_buffer); - - host->adma_desc = NULL; -diff -Nur linux-3.15-rc6.orig/drivers/mmc/host/sdhci-cns3xxx.c linux-3.15-rc6/drivers/mmc/host/sdhci-cns3xxx.c ---- linux-3.15-rc6.orig/drivers/mmc/host/sdhci-cns3xxx.c 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/drivers/mmc/host/sdhci-cns3xxx.c 2014-05-23 11:26:48.304940032 +0200 -@@ -30,13 +30,12 @@ - u16 clk; - unsigned long timeout; - -- if (clock == host->clock) -- return; -+ host->mmc->actual_clock = 0; - - sdhci_writew(host, 0, SDHCI_CLOCK_CONTROL); - - if (clock == 0) -- goto out; -+ return; - - while (host->max_clk / div > clock) { - /* -@@ -75,13 +74,14 @@ - - clk |= SDHCI_CLOCK_CARD_EN; - sdhci_writew(host, clk, SDHCI_CLOCK_CONTROL); --out: -- host->clock = clock; - } - - static const struct sdhci_ops sdhci_cns3xxx_ops = { - .get_max_clock = sdhci_cns3xxx_get_max_clk, - .set_clock = sdhci_cns3xxx_set_clock, -+ .set_bus_width = sdhci_set_bus_width, -+ .reset = sdhci_reset, -+ .set_uhs_signaling = sdhci_set_uhs_signaling, - }; - - static const struct sdhci_pltfm_data sdhci_cns3xxx_pdata = { -@@ -90,8 +90,7 @@ - SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK | - SDHCI_QUIRK_INVERTED_WRITE_PROTECT | - SDHCI_QUIRK_CAP_CLOCK_BASE_BROKEN | -- SDHCI_QUIRK_BROKEN_TIMEOUT_VAL | -- SDHCI_QUIRK_NONSTANDARD_CLOCK, -+ SDHCI_QUIRK_BROKEN_TIMEOUT_VAL, - }; - - static int sdhci_cns3xxx_probe(struct platform_device *pdev) -diff -Nur linux-3.15-rc6.orig/drivers/mmc/host/sdhci-dove.c linux-3.15-rc6/drivers/mmc/host/sdhci-dove.c ---- linux-3.15-rc6.orig/drivers/mmc/host/sdhci-dove.c 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/drivers/mmc/host/sdhci-dove.c 2014-05-23 11:26:48.304940032 +0200 -@@ -86,6 +86,10 @@ - static const struct sdhci_ops sdhci_dove_ops = { - .read_w = sdhci_dove_readw, - .read_l = sdhci_dove_readl, -+ .set_clock = sdhci_set_clock, -+ .set_bus_width = sdhci_set_bus_width, -+ .reset = sdhci_reset, -+ .set_uhs_signaling = sdhci_set_uhs_signaling, - }; - - static const struct sdhci_pltfm_data sdhci_dove_pdata = { -diff -Nur linux-3.15-rc6.orig/drivers/mmc/host/sdhci-esdhc.h linux-3.15-rc6/drivers/mmc/host/sdhci-esdhc.h ---- linux-3.15-rc6.orig/drivers/mmc/host/sdhci-esdhc.h 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/drivers/mmc/host/sdhci-esdhc.h 2014-05-23 11:26:48.304940032 +0200 -@@ -20,10 +20,8 @@ - - #define ESDHC_DEFAULT_QUIRKS (SDHCI_QUIRK_FORCE_BLK_SZ_2048 | \ - SDHCI_QUIRK_NO_BUSY_IRQ | \ -- SDHCI_QUIRK_NONSTANDARD_CLOCK | \ - SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK | \ -- SDHCI_QUIRK_PIO_NEEDS_DELAY | \ -- SDHCI_QUIRK_RESTORE_IRQS_AFTER_RESET) -+ SDHCI_QUIRK_PIO_NEEDS_DELAY) - - #define ESDHC_SYSTEM_CONTROL 0x2c - #define ESDHC_CLOCK_MASK 0x0000fff0 -diff -Nur linux-3.15-rc6.orig/drivers/mmc/host/sdhci-esdhc-imx.c linux-3.15-rc6/drivers/mmc/host/sdhci-esdhc-imx.c ---- linux-3.15-rc6.orig/drivers/mmc/host/sdhci-esdhc-imx.c 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/drivers/mmc/host/sdhci-esdhc-imx.c 2014-05-23 11:26:48.304940032 +0200 -@@ -160,7 +160,6 @@ - MULTIBLK_IN_PROCESS, /* exact multiblock cmd in process */ - WAIT_FOR_INT, /* sent CMD12, waiting for response INT */ - } multiblock_status; -- u32 uhs_mode; - u32 is_ddr; - }; - -@@ -382,7 +381,6 @@ - if (val & ESDHC_MIX_CTRL_SMPCLK_SEL) - ret |= SDHCI_CTRL_TUNED_CLK; - -- ret |= (imx_data->uhs_mode & SDHCI_CTRL_UHS_MASK); - ret &= ~SDHCI_CTRL_PRESET_VAL_ENABLE; - - return ret; -@@ -429,7 +427,6 @@ - else - new_val &= ~ESDHC_VENDOR_SPEC_VSELECT; - writel(new_val, host->ioaddr + ESDHC_VENDOR_SPEC); -- imx_data->uhs_mode = val & SDHCI_CTRL_UHS_MASK; - if (imx_data->socdata->flags & ESDHC_FLAG_MAN_TUNING) { - new_val = readl(host->ioaddr + ESDHC_MIX_CTRL); - if (val & SDHCI_CTRL_TUNED_CLK) -@@ -600,12 +597,14 @@ - u32 temp, val; - - if (clock == 0) { -+ host->mmc->actual_clock = 0; -+ - if (esdhc_is_usdhc(imx_data)) { - val = readl(host->ioaddr + ESDHC_VENDOR_SPEC); - writel(val & ~ESDHC_VENDOR_SPEC_FRC_SDCLK_ON, - host->ioaddr + ESDHC_VENDOR_SPEC); - } -- goto out; -+ return; - } - - if (esdhc_is_usdhc(imx_data) && !imx_data->is_ddr) -@@ -645,8 +644,6 @@ - } - - mdelay(1); --out: -- host->clock = clock; - } - - static unsigned int esdhc_pltfm_get_ro(struct sdhci_host *host) -@@ -668,7 +665,7 @@ - return -ENOSYS; - } - --static int esdhc_pltfm_bus_width(struct sdhci_host *host, int width) -+static void esdhc_pltfm_set_bus_width(struct sdhci_host *host, int width) - { - u32 ctrl; - -@@ -686,8 +683,6 @@ - - esdhc_clrset_le(host, ESDHC_CTRL_BUSWIDTH_MASK, ctrl, - SDHCI_HOST_CONTROL); -- -- return 0; - } - - static void esdhc_prepare_tuning(struct sdhci_host *host, u32 val) -@@ -697,6 +692,7 @@ - /* FIXME: delay a bit for card to be ready for next tuning due to errors */ - mdelay(1); - -+ /* This is balanced by the runtime put in sdhci_tasklet_finish */ - pm_runtime_get_sync(host->mmc->parent); - reg = readl(host->ioaddr + ESDHC_MIX_CTRL); - reg |= ESDHC_MIX_CTRL_EXE_TUNE | ESDHC_MIX_CTRL_SMPCLK_SEL | -@@ -713,13 +709,12 @@ - complete(&mrq->completion); - } - --static int esdhc_send_tuning_cmd(struct sdhci_host *host, u32 opcode) -+static int esdhc_send_tuning_cmd(struct sdhci_host *host, u32 opcode, -+ struct scatterlist *sg) - { - struct mmc_command cmd = {0}; - struct mmc_request mrq = {NULL}; - struct mmc_data data = {0}; -- struct scatterlist sg; -- char tuning_pattern[ESDHC_TUNING_BLOCK_PATTERN_LEN]; - - cmd.opcode = opcode; - cmd.arg = 0; -@@ -728,11 +723,9 @@ - data.blksz = ESDHC_TUNING_BLOCK_PATTERN_LEN; - data.blocks = 1; - data.flags = MMC_DATA_READ; -- data.sg = &sg; -+ data.sg = sg; - data.sg_len = 1; - -- sg_init_one(&sg, tuning_pattern, sizeof(tuning_pattern)); -- - mrq.cmd = &cmd; - mrq.cmd->mrq = &mrq; - mrq.data = &data; -@@ -742,14 +735,12 @@ - mrq.done = esdhc_request_done; - init_completion(&(mrq.completion)); - -- disable_irq(host->irq); -- spin_lock(&host->lock); -+ spin_lock_irq(&host->lock); - host->mrq = &mrq; - - sdhci_send_command(host, mrq.cmd); - -- spin_unlock(&host->lock); -- enable_irq(host->irq); -+ spin_unlock_irq(&host->lock); - - wait_for_completion(&mrq.completion); - -@@ -772,13 +763,21 @@ - - static int esdhc_executing_tuning(struct sdhci_host *host, u32 opcode) - { -+ struct scatterlist sg; -+ char *tuning_pattern; - int min, max, avg, ret; - -+ tuning_pattern = kmalloc(ESDHC_TUNING_BLOCK_PATTERN_LEN, GFP_KERNEL); -+ if (!tuning_pattern) -+ return -ENOMEM; -+ -+ sg_init_one(&sg, tuning_pattern, ESDHC_TUNING_BLOCK_PATTERN_LEN); -+ - /* find the mininum delay first which can pass tuning */ - min = ESDHC_TUNE_CTRL_MIN; - while (min < ESDHC_TUNE_CTRL_MAX) { - esdhc_prepare_tuning(host, min); -- if (!esdhc_send_tuning_cmd(host, opcode)) -+ if (!esdhc_send_tuning_cmd(host, opcode, &sg)) - break; - min += ESDHC_TUNE_CTRL_STEP; - } -@@ -787,7 +786,7 @@ - max = min + ESDHC_TUNE_CTRL_STEP; - while (max < ESDHC_TUNE_CTRL_MAX) { - esdhc_prepare_tuning(host, max); -- if (esdhc_send_tuning_cmd(host, opcode)) { -+ if (esdhc_send_tuning_cmd(host, opcode, &sg)) { - max -= ESDHC_TUNE_CTRL_STEP; - break; - } -@@ -797,9 +796,11 @@ - /* use average delay to get the best timing */ - avg = (min + max) / 2; - esdhc_prepare_tuning(host, avg); -- ret = esdhc_send_tuning_cmd(host, opcode); -+ ret = esdhc_send_tuning_cmd(host, opcode, &sg); - esdhc_post_tuning(host); - -+ kfree(tuning_pattern); -+ - dev_dbg(mmc_dev(host->mmc), "tunning %s at 0x%x ret %d\n", - ret ? "failed" : "passed", avg, ret); - -@@ -837,28 +838,20 @@ - return pinctrl_select_state(imx_data->pinctrl, pinctrl); - } - --static int esdhc_set_uhs_signaling(struct sdhci_host *host, unsigned int uhs) -+static void esdhc_set_uhs_signaling(struct sdhci_host *host, unsigned timing) - { - struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); - struct pltfm_imx_data *imx_data = pltfm_host->priv; - struct esdhc_platform_data *boarddata = &imx_data->boarddata; - -- switch (uhs) { -+ switch (timing) { - case MMC_TIMING_UHS_SDR12: -- imx_data->uhs_mode = SDHCI_CTRL_UHS_SDR12; -- break; - case MMC_TIMING_UHS_SDR25: -- imx_data->uhs_mode = SDHCI_CTRL_UHS_SDR25; -- break; - case MMC_TIMING_UHS_SDR50: -- imx_data->uhs_mode = SDHCI_CTRL_UHS_SDR50; -- break; - case MMC_TIMING_UHS_SDR104: - case MMC_TIMING_MMC_HS200: -- imx_data->uhs_mode = SDHCI_CTRL_UHS_SDR104; - break; - case MMC_TIMING_UHS_DDR50: -- imx_data->uhs_mode = SDHCI_CTRL_UHS_DDR50; - writel(readl(host->ioaddr + ESDHC_MIX_CTRL) | - ESDHC_MIX_CTRL_DDREN, - host->ioaddr + ESDHC_MIX_CTRL); -@@ -875,7 +868,15 @@ - break; - } - -- return esdhc_change_pinstate(host, uhs); -+ esdhc_change_pinstate(host, timing); -+} -+ -+static void esdhc_reset(struct sdhci_host *host, u8 mask) -+{ -+ sdhci_reset(host, mask); -+ -+ sdhci_writel(host, host->ier, SDHCI_INT_ENABLE); -+ sdhci_writel(host, host->ier, SDHCI_SIGNAL_ENABLE); - } - - static struct sdhci_ops sdhci_esdhc_ops = { -@@ -888,8 +889,9 @@ - .get_max_clock = esdhc_pltfm_get_max_clock, - .get_min_clock = esdhc_pltfm_get_min_clock, - .get_ro = esdhc_pltfm_get_ro, -- .platform_bus_width = esdhc_pltfm_bus_width, -+ .set_bus_width = esdhc_pltfm_set_bus_width, - .set_uhs_signaling = esdhc_set_uhs_signaling, -+ .reset = esdhc_reset, - }; - - static const struct sdhci_pltfm_data sdhci_esdhc_imx_pdata = { -@@ -1170,8 +1172,10 @@ - - ret = sdhci_runtime_suspend_host(host); - -- clk_disable_unprepare(imx_data->clk_per); -- clk_disable_unprepare(imx_data->clk_ipg); -+ if (!sdhci_sdio_irq_enabled(host)) { -+ clk_disable_unprepare(imx_data->clk_per); -+ clk_disable_unprepare(imx_data->clk_ipg); -+ } - clk_disable_unprepare(imx_data->clk_ahb); - - return ret; -@@ -1183,8 +1187,10 @@ - struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); - struct pltfm_imx_data *imx_data = pltfm_host->priv; - -- clk_prepare_enable(imx_data->clk_per); -- clk_prepare_enable(imx_data->clk_ipg); -+ if (!sdhci_sdio_irq_enabled(host)) { -+ clk_prepare_enable(imx_data->clk_per); -+ clk_prepare_enable(imx_data->clk_ipg); -+ } - clk_prepare_enable(imx_data->clk_ahb); - - return sdhci_runtime_resume_host(host); -diff -Nur linux-3.15-rc6.orig/drivers/mmc/host/sdhci.h linux-3.15-rc6/drivers/mmc/host/sdhci.h ---- linux-3.15-rc6.orig/drivers/mmc/host/sdhci.h 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/drivers/mmc/host/sdhci.h 2014-05-23 11:26:48.304940032 +0200 -@@ -281,18 +281,14 @@ - unsigned int (*get_max_clock)(struct sdhci_host *host); - unsigned int (*get_min_clock)(struct sdhci_host *host); - unsigned int (*get_timeout_clock)(struct sdhci_host *host); -- int (*platform_bus_width)(struct sdhci_host *host, -- int width); -+ void (*set_bus_width)(struct sdhci_host *host, int width); - void (*platform_send_init_74_clocks)(struct sdhci_host *host, - u8 power_mode); - unsigned int (*get_ro)(struct sdhci_host *host); -- void (*platform_reset_enter)(struct sdhci_host *host, u8 mask); -- void (*platform_reset_exit)(struct sdhci_host *host, u8 mask); -+ void (*reset)(struct sdhci_host *host, u8 mask); - int (*platform_execute_tuning)(struct sdhci_host *host, u32 opcode); -- int (*set_uhs_signaling)(struct sdhci_host *host, unsigned int uhs); -+ void (*set_uhs_signaling)(struct sdhci_host *host, unsigned int uhs); - void (*hw_reset)(struct sdhci_host *host); -- void (*platform_suspend)(struct sdhci_host *host); -- void (*platform_resume)(struct sdhci_host *host); - void (*adma_workaround)(struct sdhci_host *host, u32 intmask); - void (*platform_init)(struct sdhci_host *host); - void (*card_event)(struct sdhci_host *host); -@@ -397,6 +393,16 @@ - extern void sdhci_send_command(struct sdhci_host *host, - struct mmc_command *cmd); - -+static inline bool sdhci_sdio_irq_enabled(struct sdhci_host *host) -+{ -+ return !!(host->flags & SDHCI_SDIO_IRQ_ENABLED); -+} -+ -+void sdhci_set_clock(struct sdhci_host *host, unsigned int clock); -+void sdhci_set_bus_width(struct sdhci_host *host, int width); -+void sdhci_reset(struct sdhci_host *host, u8 mask); -+void sdhci_set_uhs_signaling(struct sdhci_host *host, unsigned timing); -+ - #ifdef CONFIG_PM - extern int sdhci_suspend_host(struct sdhci_host *host); - extern int sdhci_resume_host(struct sdhci_host *host); -diff -Nur linux-3.15-rc6.orig/drivers/mmc/host/sdhci-of-arasan.c linux-3.15-rc6/drivers/mmc/host/sdhci-of-arasan.c ---- linux-3.15-rc6.orig/drivers/mmc/host/sdhci-of-arasan.c 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/drivers/mmc/host/sdhci-of-arasan.c 2014-05-23 11:26:48.304940032 +0200 -@@ -52,8 +52,12 @@ - } - - static struct sdhci_ops sdhci_arasan_ops = { -+ .set_clock = sdhci_set_clock, - .get_max_clock = sdhci_pltfm_clk_get_max_clock, - .get_timeout_clock = sdhci_arasan_get_timeout_clock, -+ .set_bus_width = sdhci_set_bus_width, -+ .reset = sdhci_reset, -+ .set_uhs_signaling = sdhci_set_uhs_signaling, - }; - - static struct sdhci_pltfm_data sdhci_arasan_pdata = { -diff -Nur linux-3.15-rc6.orig/drivers/mmc/host/sdhci-of-esdhc.c linux-3.15-rc6/drivers/mmc/host/sdhci-of-esdhc.c ---- linux-3.15-rc6.orig/drivers/mmc/host/sdhci-of-esdhc.c 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/drivers/mmc/host/sdhci-of-esdhc.c 2014-05-23 11:26:48.304940032 +0200 -@@ -199,13 +199,14 @@ - - static void esdhc_of_set_clock(struct sdhci_host *host, unsigned int clock) - { -- - int pre_div = 2; - int div = 1; - u32 temp; - -+ host->mmc->actual_clock = 0; -+ - if (clock == 0) -- goto out; -+ return; - - /* Workaround to reduce the clock frequency for p1010 esdhc */ - if (of_find_compatible_node(NULL, NULL, "fsl,p1010-esdhc")) { -@@ -238,24 +239,8 @@ - | (pre_div << ESDHC_PREDIV_SHIFT)); - sdhci_writel(host, temp, ESDHC_SYSTEM_CONTROL); - mdelay(1); --out: -- host->clock = clock; - } - --#ifdef CONFIG_PM --static u32 esdhc_proctl; --static void esdhc_of_suspend(struct sdhci_host *host) --{ -- esdhc_proctl = sdhci_be32bs_readl(host, SDHCI_HOST_CONTROL); --} -- --static void esdhc_of_resume(struct sdhci_host *host) --{ -- esdhc_of_enable_dma(host); -- sdhci_be32bs_writel(host, esdhc_proctl, SDHCI_HOST_CONTROL); --} --#endif -- - static void esdhc_of_platform_init(struct sdhci_host *host) - { - u32 vvn; -@@ -269,7 +254,7 @@ - host->quirks &= ~SDHCI_QUIRK_NO_BUSY_IRQ; - } - --static int esdhc_pltfm_bus_width(struct sdhci_host *host, int width) -+static void esdhc_pltfm_set_bus_width(struct sdhci_host *host, int width) - { - u32 ctrl; - -@@ -289,8 +274,6 @@ - - clrsetbits_be32(host->ioaddr + SDHCI_HOST_CONTROL, - ESDHC_CTRL_BUSWIDTH_MASK, ctrl); -- -- return 0; - } - - static const struct sdhci_ops sdhci_esdhc_ops = { -@@ -305,13 +288,46 @@ - .get_max_clock = esdhc_of_get_max_clock, - .get_min_clock = esdhc_of_get_min_clock, - .platform_init = esdhc_of_platform_init, --#ifdef CONFIG_PM -- .platform_suspend = esdhc_of_suspend, -- .platform_resume = esdhc_of_resume, --#endif - .adma_workaround = esdhci_of_adma_workaround, -- .platform_bus_width = esdhc_pltfm_bus_width, -+ .set_bus_width = esdhc_pltfm_set_bus_width, -+ .reset = sdhci_reset, -+ .set_uhs_signaling = sdhci_set_uhs_signaling, -+}; -+ -+#ifdef CONFIG_PM -+ -+static u32 esdhc_proctl; -+static int esdhc_of_suspend(struct device *dev) -+{ -+ struct sdhci_host *host = dev_get_drvdata(dev); -+ -+ esdhc_proctl = sdhci_be32bs_readl(host, SDHCI_HOST_CONTROL); -+ -+ return sdhci_suspend_host(host); -+} -+ -+static void esdhc_of_resume(device *dev) -+{ -+ struct sdhci_host *host = dev_get_drvdata(dev); -+ int ret = sdhci_resume_host(host); -+ -+ if (ret == 0) { -+ /* Isn't this already done by sdhci_resume_host() ? --rmk */ -+ esdhc_of_enable_dma(host); -+ sdhci_be32bs_writel(host, esdhc_proctl, SDHCI_HOST_CONTROL); -+ } -+ -+ return ret; -+} -+ -+static const struct dev_pm_ops esdhc_pmops = { -+ .suspend = esdhci_of_suspend, -+ .resume = esdhci_of_resume, - }; -+#define ESDHC_PMOPS (&esdhc_pmops) -+#else -+#define ESDHC_PMOPS NULL -+#endif - - static const struct sdhci_pltfm_data sdhci_esdhc_pdata = { - /* -@@ -374,7 +390,7 @@ - .name = "sdhci-esdhc", - .owner = THIS_MODULE, - .of_match_table = sdhci_esdhc_of_match, -- .pm = SDHCI_PLTFM_PMOPS, -+ .pm = ESDHC_PMOPS, - }, - .probe = sdhci_esdhc_probe, - .remove = sdhci_esdhc_remove, -diff -Nur linux-3.15-rc6.orig/drivers/mmc/host/sdhci-of-hlwd.c linux-3.15-rc6/drivers/mmc/host/sdhci-of-hlwd.c ---- linux-3.15-rc6.orig/drivers/mmc/host/sdhci-of-hlwd.c 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/drivers/mmc/host/sdhci-of-hlwd.c 2014-05-23 11:26:48.304940032 +0200 -@@ -58,6 +58,10 @@ - .write_l = sdhci_hlwd_writel, - .write_w = sdhci_hlwd_writew, - .write_b = sdhci_hlwd_writeb, -+ .set_clock = sdhci_set_clock, -+ .set_bus_width = sdhci_set_bus_width, -+ .reset = sdhci_reset, -+ .set_uhs_signaling = sdhci_set_uhs_signaling, - }; - - static const struct sdhci_pltfm_data sdhci_hlwd_pdata = { -diff -Nur linux-3.15-rc6.orig/drivers/mmc/host/sdhci-pci.c linux-3.15-rc6/drivers/mmc/host/sdhci-pci.c ---- linux-3.15-rc6.orig/drivers/mmc/host/sdhci-pci.c 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/drivers/mmc/host/sdhci-pci.c 2014-05-23 11:26:48.304940032 +0200 -@@ -1031,7 +1031,7 @@ - return 0; - } - --static int sdhci_pci_bus_width(struct sdhci_host *host, int width) -+static void sdhci_pci_set_bus_width(struct sdhci_host *host, int width) - { - u8 ctrl; - -@@ -1052,8 +1052,6 @@ - } - - sdhci_writeb(host, ctrl, SDHCI_HOST_CONTROL); -- -- return 0; - } - - static void sdhci_pci_gpio_hw_reset(struct sdhci_host *host) -@@ -1080,8 +1078,11 @@ - } - - static const struct sdhci_ops sdhci_pci_ops = { -+ .set_clock = sdhci_set_clock, - .enable_dma = sdhci_pci_enable_dma, -- .platform_bus_width = sdhci_pci_bus_width, -+ .set_bus_width = sdhci_pci_set_bus_width, -+ .reset = sdhci_reset, -+ .set_uhs_signaling = sdhci_set_uhs_signaling, - .hw_reset = sdhci_pci_hw_reset, - }; - -diff -Nur linux-3.15-rc6.orig/drivers/mmc/host/sdhci-pltfm.c linux-3.15-rc6/drivers/mmc/host/sdhci-pltfm.c ---- linux-3.15-rc6.orig/drivers/mmc/host/sdhci-pltfm.c 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/drivers/mmc/host/sdhci-pltfm.c 2014-05-23 11:26:48.308940045 +0200 -@@ -45,6 +45,10 @@ - EXPORT_SYMBOL_GPL(sdhci_pltfm_clk_get_max_clock); - - static const struct sdhci_ops sdhci_pltfm_ops = { -+ .set_clock = sdhci_set_clock, -+ .set_bus_width = sdhci_set_bus_width, -+ .reset = sdhci_reset, -+ .set_uhs_signaling = sdhci_set_uhs_signaling, - }; - - #ifdef CONFIG_OF -diff -Nur linux-3.15-rc6.orig/drivers/mmc/host/sdhci-pxav2.c linux-3.15-rc6/drivers/mmc/host/sdhci-pxav2.c ---- linux-3.15-rc6.orig/drivers/mmc/host/sdhci-pxav2.c 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/drivers/mmc/host/sdhci-pxav2.c 2014-05-23 11:26:48.308940045 +0200 -@@ -51,11 +51,13 @@ - #define MMC_CARD 0x1000 - #define MMC_WIDTH 0x0100 - --static void pxav2_set_private_registers(struct sdhci_host *host, u8 mask) -+static void pxav2_reset(struct sdhci_host *host, u8 mask) - { - struct platform_device *pdev = to_platform_device(mmc_dev(host->mmc)); - struct sdhci_pxa_platdata *pdata = pdev->dev.platform_data; - -+ sdhci_reset(host, mask); -+ - if (mask == SDHCI_RESET_ALL) { - u16 tmp = 0; - -@@ -88,7 +90,7 @@ - } - } - --static int pxav2_mmc_set_width(struct sdhci_host *host, int width) -+static void pxav2_mmc_set_bus_width(struct sdhci_host *host, int width) - { - u8 ctrl; - u16 tmp; -@@ -107,14 +109,14 @@ - } - writew(tmp, host->ioaddr + SD_CE_ATA_2); - writeb(ctrl, host->ioaddr + SDHCI_HOST_CONTROL); -- -- return 0; - } - - static const struct sdhci_ops pxav2_sdhci_ops = { -+ .set_clock = sdhci_set_clock, - .get_max_clock = sdhci_pltfm_clk_get_max_clock, -- .platform_reset_exit = pxav2_set_private_registers, -- .platform_bus_width = pxav2_mmc_set_width, -+ .set_bus_width = pxav2_mmc_set_bus_width, -+ .reset = pxav2_reset, -+ .set_uhs_signaling = sdhci_set_uhs_signaling, - }; - - #ifdef CONFIG_OF -diff -Nur linux-3.15-rc6.orig/drivers/mmc/host/sdhci-pxav3.c linux-3.15-rc6/drivers/mmc/host/sdhci-pxav3.c ---- linux-3.15-rc6.orig/drivers/mmc/host/sdhci-pxav3.c 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/drivers/mmc/host/sdhci-pxav3.c 2014-05-23 11:26:48.308940045 +0200 -@@ -112,11 +112,13 @@ - return 0; - } - --static void pxav3_set_private_registers(struct sdhci_host *host, u8 mask) -+static void pxav3_reset(struct sdhci_host *host, u8 mask) - { - struct platform_device *pdev = to_platform_device(mmc_dev(host->mmc)); - struct sdhci_pxa_platdata *pdata = pdev->dev.platform_data; - -+ sdhci_reset(host, mask); -+ - if (mask == SDHCI_RESET_ALL) { - /* - * tune timing of read data/command when crc error happen -@@ -184,7 +186,7 @@ - pxa->power_mode = power_mode; - } - --static int pxav3_set_uhs_signaling(struct sdhci_host *host, unsigned int uhs) -+static void pxav3_set_uhs_signaling(struct sdhci_host *host, unsigned int uhs) - { - u16 ctrl_2; - -@@ -218,15 +220,16 @@ - dev_dbg(mmc_dev(host->mmc), - "%s uhs = %d, ctrl_2 = %04X\n", - __func__, uhs, ctrl_2); -- -- return 0; - } - - static const struct sdhci_ops pxav3_sdhci_ops = { -- .platform_reset_exit = pxav3_set_private_registers, -+ .set_clock = sdhci_set_clock, - .set_uhs_signaling = pxav3_set_uhs_signaling, - .platform_send_init_74_clocks = pxav3_gen_init_74_clocks, - .get_max_clock = sdhci_pltfm_clk_get_max_clock, -+ .set_bus_width = sdhci_set_bus_width, -+ .reset = pxav3_reset, -+ .set_uhs_signaling = sdhci_set_uhs_signaling, - }; - - static struct sdhci_pltfm_data sdhci_pxav3_pdata = { -diff -Nur linux-3.15-rc6.orig/drivers/mmc/host/sdhci-s3c.c linux-3.15-rc6/drivers/mmc/host/sdhci-s3c.c ---- linux-3.15-rc6.orig/drivers/mmc/host/sdhci-s3c.c 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/drivers/mmc/host/sdhci-s3c.c 2014-05-23 11:26:48.308940045 +0200 -@@ -58,6 +58,8 @@ - struct clk *clk_io; - struct clk *clk_bus[MAX_BUS_CLK]; - unsigned long clk_rates[MAX_BUS_CLK]; -+ -+ bool no_divider; - }; - - /** -@@ -70,6 +72,7 @@ - */ - struct sdhci_s3c_drv_data { - unsigned int sdhci_quirks; -+ bool no_divider; - }; - - static inline struct sdhci_s3c *to_s3c(struct sdhci_host *host) -@@ -119,7 +122,7 @@ - * If controller uses a non-standard clock division, find the best clock - * speed possible with selected clock source and skip the division. - */ -- if (ourhost->host->quirks & SDHCI_QUIRK_NONSTANDARD_CLOCK) { -+ if (ourhost->no_divider) { - rate = clk_round_rate(clksrc, wanted); - return wanted - rate; - } -@@ -161,9 +164,13 @@ - int src; - u32 ctrl; - -+ host->mmc->actual_clock = 0; -+ - /* don't bother if the clock is going off. */ -- if (clock == 0) -+ if (clock == 0) { -+ sdhci_set_clock(host, clock); - return; -+ } - - for (src = 0; src < MAX_BUS_CLK; src++) { - delta = sdhci_s3c_consider_clock(ourhost, src, clock); -@@ -215,6 +222,8 @@ - if (clock < 25 * 1000000) - ctrl |= (S3C_SDHCI_CTRL3_FCSEL3 | S3C_SDHCI_CTRL3_FCSEL2); - writel(ctrl, host->ioaddr + S3C_SDHCI_CONTROL3); -+ -+ sdhci_set_clock(host, clock); - } - - /** -@@ -295,10 +304,11 @@ - unsigned long timeout; - u16 clk = 0; - -+ host->mmc->actual_clock = 0; -+ - /* If the clock is going off, set to 0 at clock control register */ - if (clock == 0) { - sdhci_writew(host, 0, SDHCI_CLOCK_CONTROL); -- host->clock = clock; - return; - } - -@@ -306,8 +316,6 @@ - - clk_set_rate(ourhost->clk_bus[ourhost->cur_clk], clock); - -- host->clock = clock; -- - clk = SDHCI_CLOCK_INT_EN; - sdhci_writew(host, clk, SDHCI_CLOCK_CONTROL); - -@@ -329,14 +337,14 @@ - } - - /** -- * sdhci_s3c_platform_bus_width - support 8bit buswidth -+ * sdhci_s3c_set_bus_width - support 8bit buswidth - * @host: The SDHCI host being queried - * @width: MMC_BUS_WIDTH_ macro for the bus width being requested - * - * We have 8-bit width support but is not a v3 controller. - * So we add platform_bus_width() and support 8bit width. - */ --static int sdhci_s3c_platform_bus_width(struct sdhci_host *host, int width) -+static void sdhci_s3c_set_bus_width(struct sdhci_host *host, int width) - { - u8 ctrl; - -@@ -358,15 +366,15 @@ - } - - sdhci_writeb(host, ctrl, SDHCI_HOST_CONTROL); -- -- return 0; - } - - static struct sdhci_ops sdhci_s3c_ops = { - .get_max_clock = sdhci_s3c_get_max_clk, - .set_clock = sdhci_s3c_set_clock, - .get_min_clock = sdhci_s3c_get_min_clock, -- .platform_bus_width = sdhci_s3c_platform_bus_width, -+ .set_bus_width = sdhci_s3c_set_bus_width, -+ .reset = sdhci_reset, -+ .set_uhs_signaling = sdhci_set_uhs_signaling, - }; - - static void sdhci_s3c_notify_change(struct platform_device *dev, int state) -@@ -606,8 +614,10 @@ - /* Setup quirks for the controller */ - host->quirks |= SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC; - host->quirks |= SDHCI_QUIRK_NO_HISPD_BIT; -- if (drv_data) -+ if (drv_data) { - host->quirks |= drv_data->sdhci_quirks; -+ sc->no_divider = drv_data->no_divider; -+ } - - #ifndef CONFIG_MMC_SDHCI_S3C_DMA - -@@ -656,7 +666,7 @@ - * If controller does not have internal clock divider, - * we can use overriding functions instead of default. - */ -- if (host->quirks & SDHCI_QUIRK_NONSTANDARD_CLOCK) { -+ if (sc->no_divider) { - sdhci_s3c_ops.set_clock = sdhci_cmu_set_clock; - sdhci_s3c_ops.get_min_clock = sdhci_cmu_get_min_clock; - sdhci_s3c_ops.get_max_clock = sdhci_cmu_get_max_clock; -@@ -797,7 +807,7 @@ - - #if defined(CONFIG_CPU_EXYNOS4210) || defined(CONFIG_SOC_EXYNOS4212) - static struct sdhci_s3c_drv_data exynos4_sdhci_drv_data = { -- .sdhci_quirks = SDHCI_QUIRK_NONSTANDARD_CLOCK, -+ .no_divider = true, - }; - #define EXYNOS4_SDHCI_DRV_DATA ((kernel_ulong_t)&exynos4_sdhci_drv_data) - #else -diff -Nur linux-3.15-rc6.orig/drivers/mmc/host/sdhci-sirf.c linux-3.15-rc6/drivers/mmc/host/sdhci-sirf.c ---- linux-3.15-rc6.orig/drivers/mmc/host/sdhci-sirf.c 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/drivers/mmc/host/sdhci-sirf.c 2014-05-23 11:26:48.308940045 +0200 -@@ -28,7 +28,11 @@ - } - - static struct sdhci_ops sdhci_sirf_ops = { -+ .set_clock = sdhci_set_clock, - .get_max_clock = sdhci_sirf_get_max_clk, -+ .set_bus_width = sdhci_set_bus_width, -+ .reset = sdhci_reset, -+ .set_uhs_signaling = sdhci_set_uhs_signaling, - }; - - static struct sdhci_pltfm_data sdhci_sirf_pdata = { -diff -Nur linux-3.15-rc6.orig/drivers/mmc/host/sdhci-spear.c linux-3.15-rc6/drivers/mmc/host/sdhci-spear.c ---- linux-3.15-rc6.orig/drivers/mmc/host/sdhci-spear.c 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/drivers/mmc/host/sdhci-spear.c 2014-05-23 11:26:48.308940045 +0200 -@@ -38,7 +38,10 @@ - - /* sdhci ops */ - static const struct sdhci_ops sdhci_pltfm_ops = { -- /* Nothing to do for now. */ -+ .set_clock = sdhci_set_clock, -+ .set_bus_width = sdhci_set_bus_width, -+ .reset = sdhci_reset, -+ .set_uhs_signaling = sdhci_set_uhs_signaling, - }; - - #ifdef CONFIG_OF -diff -Nur linux-3.15-rc6.orig/drivers/mmc/host/sdhci-tegra.c linux-3.15-rc6/drivers/mmc/host/sdhci-tegra.c ---- linux-3.15-rc6.orig/drivers/mmc/host/sdhci-tegra.c 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/drivers/mmc/host/sdhci-tegra.c 2014-05-23 11:26:48.308940045 +0200 -@@ -48,19 +48,6 @@ - int power_gpio; - }; - --static u32 tegra_sdhci_readl(struct sdhci_host *host, int reg) --{ -- u32 val; -- -- if (unlikely(reg == SDHCI_PRESENT_STATE)) { -- /* Use wp_gpio here instead? */ -- val = readl(host->ioaddr + reg); -- return val | SDHCI_WRITE_PROTECT; -- } -- -- return readl(host->ioaddr + reg); --} -- - static u16 tegra_sdhci_readw(struct sdhci_host *host, int reg) - { - struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); -@@ -108,12 +95,14 @@ - return mmc_gpio_get_ro(host->mmc); - } - --static void tegra_sdhci_reset_exit(struct sdhci_host *host, u8 mask) -+static void tegra_sdhci_reset(struct sdhci_host *host, u8 mask) - { - struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); - struct sdhci_tegra *tegra_host = pltfm_host->priv; - const struct sdhci_tegra_soc_data *soc_data = tegra_host->soc_data; - -+ sdhci_reset(host, mask); -+ - if (!(mask & SDHCI_RESET_ALL)) - return; - -@@ -127,7 +116,7 @@ - } - } - --static int tegra_sdhci_buswidth(struct sdhci_host *host, int bus_width) -+static void tegra_sdhci_set_bus_width(struct sdhci_host *host, int bus_width) - { - u32 ctrl; - -@@ -144,16 +133,16 @@ - ctrl &= ~SDHCI_CTRL_4BITBUS; - } - sdhci_writeb(host, ctrl, SDHCI_HOST_CONTROL); -- return 0; - } - - static const struct sdhci_ops tegra_sdhci_ops = { - .get_ro = tegra_sdhci_get_ro, -- .read_l = tegra_sdhci_readl, - .read_w = tegra_sdhci_readw, - .write_l = tegra_sdhci_writel, -- .platform_bus_width = tegra_sdhci_buswidth, -- .platform_reset_exit = tegra_sdhci_reset_exit, -+ .set_clock = sdhci_set_clock, -+ .set_bus_width = tegra_sdhci_set_bus_width, -+ .reset = tegra_sdhci_reset, -+ .set_uhs_signaling = sdhci_set_uhs_signaling, - }; - - static const struct sdhci_pltfm_data sdhci_tegra20_pdata = { -diff -Nur linux-3.15-rc6.orig/drivers/net/ethernet/freescale/fec.h linux-3.15-rc6/drivers/net/ethernet/freescale/fec.h ---- linux-3.15-rc6.orig/drivers/net/ethernet/freescale/fec.h 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/drivers/net/ethernet/freescale/fec.h 2014-05-23 11:26:48.308940045 +0200 -@@ -14,6 +14,7 @@ - /****************************************************************************/ - - #include -+#include - #include - #include - -@@ -170,6 +171,11 @@ - unsigned short res0[4]; - }; - -+union bufdesc_u { -+ struct bufdesc bd; -+ struct bufdesc_ex ebd; -+}; -+ - /* - * The following definitions courtesy of commproc.h, which where - * Copyright (c) 1997 Dan Malek (dmalek@jlc.net). -@@ -202,6 +208,7 @@ - #define BD_ENET_RX_OV ((ushort)0x0002) - #define BD_ENET_RX_CL ((ushort)0x0001) - #define BD_ENET_RX_STATS ((ushort)0x013f) /* All status bits */ -+#define BD_ENET_RX_ERROR ((ushort)0x003f) - - /* Enhanced buffer descriptor control/status used by Ethernet receive */ - #define BD_ENET_RX_VLAN 0x00000004 -@@ -224,10 +231,17 @@ - #define BD_ENET_TX_STATS ((ushort)0x03ff) /* All status bits */ - - /*enhanced buffer descriptor control/status used by Ethernet transmit*/ --#define BD_ENET_TX_INT 0x40000000 --#define BD_ENET_TX_TS 0x20000000 --#define BD_ENET_TX_PINS 0x10000000 --#define BD_ENET_TX_IINS 0x08000000 -+#define BD_ENET_TX_INT BIT(30) -+#define BD_ENET_TX_TS BIT(29) -+#define BD_ENET_TX_PINS BIT(28) -+#define BD_ENET_TX_IINS BIT(27) -+#define BD_ENET_TX_TXE BIT(15) -+#define BD_ENET_TX_UE BIT(13) -+#define BD_ENET_TX_EE BIT(12) -+#define BD_ENET_TX_FE BIT(11) -+#define BD_ENET_TX_LCE BIT(10) -+#define BD_ENET_TX_OE BIT(9) -+#define BD_ENET_TX_TSE BIT(8) - - - /* This device has up to three irqs on some platforms */ -@@ -240,28 +254,20 @@ - * the skbuffer directly. - */ - --#define FEC_ENET_RX_PAGES 8 -+#define FEC_ENET_RX_PAGES 64 - #define FEC_ENET_RX_FRSIZE 2048 - #define FEC_ENET_RX_FRPPG (PAGE_SIZE / FEC_ENET_RX_FRSIZE) - #define RX_RING_SIZE (FEC_ENET_RX_FRPPG * FEC_ENET_RX_PAGES) - #define FEC_ENET_TX_FRSIZE 2048 - #define FEC_ENET_TX_FRPPG (PAGE_SIZE / FEC_ENET_TX_FRSIZE) --#define TX_RING_SIZE 16 /* Must be power of two */ --#define TX_RING_MOD_MASK 15 /* for this to work */ -+#define TX_RING_SIZE 128 /* Must be power of two */ - - #define BD_ENET_RX_INT 0x00800000 - #define BD_ENET_RX_PTP ((ushort)0x0400) - #define BD_ENET_RX_ICE 0x00000020 - #define BD_ENET_RX_PCR 0x00000010 --#define FLAG_RX_CSUM_ENABLED (BD_ENET_RX_ICE | BD_ENET_RX_PCR) - #define FLAG_RX_CSUM_ERROR (BD_ENET_RX_ICE | BD_ENET_RX_PCR) - --struct fec_enet_delayed_work { -- struct delayed_work delay_work; -- bool timeout; -- bool trig_tx; --}; -- - /* The FEC buffer descriptors track the ring buffers. The rx_bd_base and - * tx_bd_base always point to the base of the buffer descriptors. The - * cur_rx and cur_tx point to the currently available buffer. -@@ -281,27 +287,33 @@ - struct clk *clk_enet_out; - struct clk *clk_ptp; - -+ unsigned char tx_page_map[TX_RING_SIZE]; - /* The saved address of a sent-in-place packet/buffer, for skfree(). */ - unsigned char *tx_bounce[TX_RING_SIZE]; - struct sk_buff *tx_skbuff[TX_RING_SIZE]; - struct sk_buff *rx_skbuff[RX_RING_SIZE]; - - /* CPM dual port RAM relative addresses */ -- dma_addr_t bd_dma; -+ dma_addr_t rx_bd_dma; -+ dma_addr_t tx_bd_dma; - /* Address of Rx and Tx buffers */ -- struct bufdesc *rx_bd_base; -- struct bufdesc *tx_bd_base; -+ union bufdesc_u *rx_bd_base; -+ union bufdesc_u *tx_bd_base; - /* The next free ring entry */ -- struct bufdesc *cur_rx, *cur_tx; -- /* The ring entries to be free()ed */ -- struct bufdesc *dirty_tx; -+ unsigned short tx_next; -+ unsigned short tx_dirty; -+ unsigned short tx_min; -+ unsigned short rx_next; - - unsigned short tx_ring_size; - unsigned short rx_ring_size; - -+ unsigned char flags; -+ -+ struct mutex mutex; -+ - struct platform_device *pdev; - -- int opened; - int dev_id; - - /* Phylib and MDIO interface */ -@@ -315,11 +327,12 @@ - int speed; - struct completion mdio_done; - int irq[FEC_IRQ_NUM]; -- int bufdesc_ex; -- int pause_flag; -+ unsigned short pause_flag; -+ unsigned short pause_mode; - - struct napi_struct napi; -- int csum_flags; -+ -+ struct work_struct tx_timeout_work; - - struct ptp_clock *ptp_clock; - struct ptp_clock_info ptp_caps; -@@ -333,8 +346,8 @@ - int hwts_rx_en; - int hwts_tx_en; - struct timer_list time_keep; -- struct fec_enet_delayed_work delay_work; - struct regulator *reg_phy; -+ unsigned long quirks; - }; - - void fec_ptp_init(struct platform_device *pdev); -diff -Nur linux-3.15-rc6.orig/drivers/net/ethernet/freescale/fec_main.c linux-3.15-rc6/drivers/net/ethernet/freescale/fec_main.c ---- linux-3.15-rc6.orig/drivers/net/ethernet/freescale/fec_main.c 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/drivers/net/ethernet/freescale/fec_main.c 2014-05-23 11:26:48.312940058 +0200 -@@ -33,12 +33,6 @@ - #include - #include - #include --#include --#include --#include --#include --#include --#include - #include - #include - #include -@@ -91,16 +85,8 @@ - #define FEC_QUIRK_HAS_CSUM (1 << 5) - /* Controller has hardware vlan support */ - #define FEC_QUIRK_HAS_VLAN (1 << 6) --/* ENET IP errata ERR006358 -- * -- * If the ready bit in the transmit buffer descriptor (TxBD[R]) is previously -- * detected as not set during a prior frame transmission, then the -- * ENET_TDAR[TDAR] bit is cleared at a later time, even if additional TxBDs -- * were added to the ring and the ENET_TDAR[TDAR] bit is set. This results in -- * frames not being transmitted until there is a 0-to-1 transition on -- * ENET_TDAR[TDAR]. -- */ --#define FEC_QUIRK_ERR006358 (1 << 7) -+/* Controller has ability to offset rx packets */ -+#define FEC_QUIRK_RX_SHIFT16 (1 << 8) - - static struct platform_device_id fec_devtype[] = { - { -@@ -120,7 +106,7 @@ - .name = "imx6q-fec", - .driver_data = FEC_QUIRK_ENET_MAC | FEC_QUIRK_HAS_GBIT | - FEC_QUIRK_HAS_BUFDESC_EX | FEC_QUIRK_HAS_CSUM | -- FEC_QUIRK_HAS_VLAN | FEC_QUIRK_ERR006358, -+ FEC_QUIRK_HAS_VLAN | FEC_QUIRK_RX_SHIFT16, - }, { - .name = "mvf600-fec", - .driver_data = FEC_QUIRK_ENET_MAC, -@@ -172,9 +158,15 @@ - #endif - #endif /* CONFIG_M5272 */ - --#if (((RX_RING_SIZE + TX_RING_SIZE) * 32) > PAGE_SIZE) --#error "FEC: descriptor ring size constants too large" -+#if RX_RING_SIZE * 32 > PAGE_SIZE -+#error "FEC: receive descriptor ring size too large" - #endif -+#if TX_RING_SIZE * 32 > PAGE_SIZE -+#error "FEC: transmit descriptor ring size too large" -+#endif -+ -+/* Minimum TX ring size when using NETIF_F_SG */ -+#define TX_RING_SIZE_MIN_SG (2 * (MAX_SKB_FRAGS + 1)) - - /* Interrupt events/masks. */ - #define FEC_ENET_HBERR ((uint)0x80000000) /* Heartbeat error */ -@@ -200,6 +192,7 @@ - /* FEC receive acceleration */ - #define FEC_RACC_IPDIS (1 << 1) - #define FEC_RACC_PRODIS (1 << 2) -+#define FEC_RACC_SHIFT16 BIT(7) - #define FEC_RACC_OPTIONS (FEC_RACC_IPDIS | FEC_RACC_PRODIS) - - /* -@@ -228,62 +221,60 @@ - /* Transmitter timeout */ - #define TX_TIMEOUT (2 * HZ) - --#define FEC_PAUSE_FLAG_AUTONEG 0x1 --#define FEC_PAUSE_FLAG_ENABLE 0x2 -+/* pause mode/flag */ -+#define FEC_PAUSE_FLAG_AUTONEG BIT(0) -+#define FEC_PAUSE_FLAG_RX BIT(1) -+#define FEC_PAUSE_FLAG_TX BIT(2) -+ -+/* flags */ -+#define FEC_FLAG_BUFDESC_EX BIT(0) -+#define FEC_FLAG_RX_CSUM BIT(1) -+#define FEC_FLAG_RX_VLAN BIT(2) - - static int mii_cnt; - --static inline --struct bufdesc *fec_enet_get_nextdesc(struct bufdesc *bdp, struct fec_enet_private *fep) -+static unsigned copybreak = 200; -+module_param(copybreak, uint, 0644); -+MODULE_PARM_DESC(copybreak, -+ "Maximum size of packet that is copied to a new buffer on receive"); -+ -+static bool fec_enet_rx_zerocopy(struct fec_enet_private *fep, unsigned pktlen) - { -- struct bufdesc *new_bd = bdp + 1; -- struct bufdesc_ex *ex_new_bd = (struct bufdesc_ex *)bdp + 1; -- struct bufdesc_ex *ex_base; -- struct bufdesc *base; -- int ring_size; -- -- if (bdp >= fep->tx_bd_base) { -- base = fep->tx_bd_base; -- ring_size = fep->tx_ring_size; -- ex_base = (struct bufdesc_ex *)fep->tx_bd_base; -- } else { -- base = fep->rx_bd_base; -- ring_size = fep->rx_ring_size; -- ex_base = (struct bufdesc_ex *)fep->rx_bd_base; -- } -+#ifndef CONFIG_M5272 -+ if (fep->quirks & FEC_QUIRK_RX_SHIFT16 && pktlen >= copybreak) -+ return true; -+#endif -+ return false; -+} - -- if (fep->bufdesc_ex) -- return (struct bufdesc *)((ex_new_bd >= (ex_base + ring_size)) ? -- ex_base : ex_new_bd); -+static union bufdesc_u * -+fec_enet_tx_get(unsigned index, struct fec_enet_private *fep) -+{ -+ union bufdesc_u *base = fep->tx_bd_base; -+ union bufdesc_u *bdp; -+ -+ if (fep->flags & FEC_FLAG_BUFDESC_EX) -+ bdp = (union bufdesc_u *)(&base->ebd + index); - else -- return (new_bd >= (base + ring_size)) ? -- base : new_bd; -+ bdp = (union bufdesc_u *)(&base->bd + index); -+ -+ return bdp; - } - --static inline --struct bufdesc *fec_enet_get_prevdesc(struct bufdesc *bdp, struct fec_enet_private *fep) -+static union bufdesc_u * -+fec_enet_rx_get(unsigned index, struct fec_enet_private *fep) - { -- struct bufdesc *new_bd = bdp - 1; -- struct bufdesc_ex *ex_new_bd = (struct bufdesc_ex *)bdp - 1; -- struct bufdesc_ex *ex_base; -- struct bufdesc *base; -- int ring_size; -- -- if (bdp >= fep->tx_bd_base) { -- base = fep->tx_bd_base; -- ring_size = fep->tx_ring_size; -- ex_base = (struct bufdesc_ex *)fep->tx_bd_base; -- } else { -- base = fep->rx_bd_base; -- ring_size = fep->rx_ring_size; -- ex_base = (struct bufdesc_ex *)fep->rx_bd_base; -- } -+ union bufdesc_u *base = fep->rx_bd_base; -+ union bufdesc_u *bdp; -+ -+ index &= fep->rx_ring_size - 1; - -- if (fep->bufdesc_ex) -- return (struct bufdesc *)((ex_new_bd < ex_base) ? -- (ex_new_bd + ring_size) : ex_new_bd); -+ if (fep->flags & FEC_FLAG_BUFDESC_EX) -+ bdp = (union bufdesc_u *)(&base->ebd + index); - else -- return (new_bd < base) ? (new_bd + ring_size) : new_bd; -+ bdp = (union bufdesc_u *)(&base->bd + index); -+ -+ return bdp; - } - - static void *swap_buffer(void *bufaddr, int len) -@@ -297,13 +288,47 @@ - return bufaddr; - } - -+static void fec_dump(struct net_device *ndev) -+{ -+ struct fec_enet_private *fep = netdev_priv(ndev); -+ union bufdesc_u *bdp; -+ unsigned index = 0; -+ -+ netdev_info(ndev, "TX ring dump\n"); -+ pr_info("Nr SC addr len SKB\n"); -+ -+ for (index = 0; index < fep->tx_ring_size; index++) { -+ bdp = fec_enet_tx_get(index, fep); -+ -+ pr_info("%3u %c%c 0x%04x 0x%08lx %4u %p", -+ index, -+ index == fep->tx_next ? 'S' : ' ', -+ index == fep->tx_dirty ? 'H' : ' ', -+ bdp->bd.cbd_sc, bdp->bd.cbd_bufaddr, -+ bdp->bd.cbd_datlen, -+ fep->tx_skbuff[index]); -+ if (fep->flags & FEC_FLAG_BUFDESC_EX) -+ pr_cont(" %08lx", bdp->ebd.cbd_esc); -+ pr_cont("\n"); -+ } -+} -+ - static int - fec_enet_clear_csum(struct sk_buff *skb, struct net_device *ndev) - { -+ int csum_start; -+ - /* Only run for packets requiring a checksum. */ - if (skb->ip_summed != CHECKSUM_PARTIAL) - return 0; - -+ csum_start = skb_checksum_start_offset(skb); -+ if (csum_start + skb->csum_offset > skb_headlen(skb)) { -+ netdev_err(ndev, "checksum outside skb head: headlen %u start %u offset %u\n", -+ skb_headlen(skb), csum_start, skb->csum_offset); -+ return -1; -+ } -+ - if (unlikely(skb_cow_head(skb, 0))) - return -1; - -@@ -312,23 +337,56 @@ - return 0; - } - -+static void -+fec_enet_tx_unmap(unsigned index, union bufdesc_u *bdp, struct fec_enet_private *fep) -+{ -+ dma_addr_t addr = bdp->bd.cbd_bufaddr; -+ unsigned length = bdp->bd.cbd_datlen; -+ -+ bdp->bd.cbd_bufaddr = 0; -+ -+ if (fep->tx_page_map[index]) -+ dma_unmap_page(&fep->pdev->dev, addr, length, DMA_TO_DEVICE); -+ else -+ dma_unmap_single(&fep->pdev->dev, addr, length, DMA_TO_DEVICE); -+} -+ -+static void -+fec_enet_tx_unmap_range(unsigned index, unsigned last, struct fec_enet_private *fep) -+{ -+ union bufdesc_u *bdp; -+ -+ do { -+ if (last == 0) -+ last = fep->tx_ring_size; -+ last--; -+ -+ bdp = fec_enet_tx_get(last, fep); -+ fec_enet_tx_unmap(last, bdp, fep); -+ } while (index != last); -+} -+ -+static unsigned ring_free(unsigned ins, unsigned rem, unsigned size) -+{ -+ int num = rem - ins; -+ return num < 0 ? num + size : num; -+} -+ - static netdev_tx_t - fec_enet_start_xmit(struct sk_buff *skb, struct net_device *ndev) - { - struct fec_enet_private *fep = netdev_priv(ndev); -- const struct platform_device_id *id_entry = -- platform_get_device_id(fep->pdev); -- struct bufdesc *bdp, *bdp_pre; -+ union bufdesc_u *bdp; - void *bufaddr; - unsigned short status; -- unsigned int index; -+ unsigned index, last, length, cbd_esc; -+ int f, nr_frags = skb_shinfo(skb)->nr_frags; -+ dma_addr_t addr; - - /* Fill in a Tx ring entry */ -- bdp = fep->cur_tx; -- -- status = bdp->cbd_sc; -+ index = fep->tx_next; - -- if (status & BD_ENET_TX_READY) { -+ if (ring_free(index, fep->tx_dirty, fep->tx_ring_size) < 1 + nr_frags) { - /* Ooops. All transmit buffers are full. Bail out. - * This should not happen, since ndev->tbusy should be set. - */ -@@ -342,26 +400,17 @@ - return NETDEV_TX_OK; - } - -- /* Clear all of the status flags */ -- status &= ~BD_ENET_TX_STATS; -- - /* Set buffer length and buffer pointer */ - bufaddr = skb->data; -- bdp->cbd_datlen = skb->len; -+ length = skb_headlen(skb); - - /* - * On some FEC implementations data must be aligned on - * 4-byte boundaries. Use bounce buffers to copy data - * and get it aligned. Ugh. - */ -- if (fep->bufdesc_ex) -- index = (struct bufdesc_ex *)bdp - -- (struct bufdesc_ex *)fep->tx_bd_base; -- else -- index = bdp - fep->tx_bd_base; -- - if (((unsigned long) bufaddr) & FEC_ALIGNMENT) { -- memcpy(fep->tx_bounce[index], skb->data, skb->len); -+ memcpy(fep->tx_bounce[index], skb->data, length); - bufaddr = fep->tx_bounce[index]; - } - -@@ -370,75 +419,127 @@ - * the system that it's running on. As the result, driver has to - * swap every frame going to and coming from the controller. - */ -- if (id_entry->driver_data & FEC_QUIRK_SWAP_FRAME) -- swap_buffer(bufaddr, skb->len); -+ if (fep->quirks & FEC_QUIRK_SWAP_FRAME) -+ swap_buffer(bufaddr, length); - -- /* Save skb pointer */ -- fep->tx_skbuff[index] = skb; -+ /* Push the data cache so the CPM does not get stale memory data. */ -+ addr = dma_map_single(&fep->pdev->dev, bufaddr, length, DMA_TO_DEVICE); -+ if (dma_mapping_error(&fep->pdev->dev, addr)) -+ goto release; -+ -+ bdp = fec_enet_tx_get(index, fep); -+ bdp->bd.cbd_datlen = length; -+ bdp->bd.cbd_bufaddr = addr; - -- /* Push the data cache so the CPM does not get stale memory -- * data. -- */ -- bdp->cbd_bufaddr = dma_map_single(&fep->pdev->dev, bufaddr, -- skb->len, DMA_TO_DEVICE); -- if (dma_mapping_error(&fep->pdev->dev, bdp->cbd_bufaddr)) { -- bdp->cbd_bufaddr = 0; -- fep->tx_skbuff[index] = NULL; -- dev_kfree_skb_any(skb); -- if (net_ratelimit()) -- netdev_err(ndev, "Tx DMA memory map failed\n"); -- return NETDEV_TX_OK; -- } -+ fep->tx_page_map[index] = 0; - -- if (fep->bufdesc_ex) { -- -- struct bufdesc_ex *ebdp = (struct bufdesc_ex *)bdp; -- ebdp->cbd_bdu = 0; -+ cbd_esc = BD_ENET_TX_INT; -+ if (fep->flags & FEC_FLAG_BUFDESC_EX) { - if (unlikely(skb_shinfo(skb)->tx_flags & SKBTX_HW_TSTAMP && - fep->hwts_tx_en)) { -- ebdp->cbd_esc = (BD_ENET_TX_TS | BD_ENET_TX_INT); -+ cbd_esc |= BD_ENET_TX_TS; - skb_shinfo(skb)->tx_flags |= SKBTX_IN_PROGRESS; - } else { -- ebdp->cbd_esc = BD_ENET_TX_INT; -- - /* Enable protocol checksum flags - * We do not bother with the IP Checksum bits as they - * are done by the kernel - */ - if (skb->ip_summed == CHECKSUM_PARTIAL) -- ebdp->cbd_esc |= BD_ENET_TX_PINS; -+ cbd_esc |= BD_ENET_TX_PINS; -+ } -+ bdp->ebd.cbd_bdu = 0; -+ bdp->ebd.cbd_esc = cbd_esc; -+ } -+ -+ for (last = index, f = 0; f < nr_frags; f++) { -+ const struct skb_frag_struct *frag = &skb_shinfo(skb)->frags[f]; -+ -+ if (++last >= fep->tx_ring_size) -+ last = 0; -+ -+ length = skb_frag_size(frag); -+ -+ /* If the alignment is unsuitable, we need to bounce. */ -+ if (frag->page_offset & FEC_ALIGNMENT) { -+ unsigned char *bounce = fep->tx_bounce[last]; -+ -+ /* FIXME: highdma? */ -+ memcpy(bounce, skb_frag_address(frag), length); -+ -+ addr = dma_map_single(&fep->pdev->dev, bounce, -+ length, DMA_TO_DEVICE); -+ fep->tx_page_map[last] = 0; -+ } else { -+ addr = skb_frag_dma_map(&fep->pdev->dev, frag, 0, -+ length, DMA_TO_DEVICE); -+ fep->tx_page_map[last] = 1; -+ } -+ -+ if (dma_mapping_error(&fep->pdev->dev, addr)) -+ goto release_frags; -+ -+ bdp = fec_enet_tx_get(last, fep); -+ bdp->bd.cbd_datlen = length; -+ bdp->bd.cbd_bufaddr = addr; -+ if (fep->flags & FEC_FLAG_BUFDESC_EX) { -+ bdp->ebd.cbd_esc = cbd_esc; -+ bdp->ebd.cbd_bdu = 0; - } - } - -+ /* Save skb pointer */ -+ fep->tx_skbuff[last] = skb; -+ -+ /* -+ * We need the preceding stores to the descriptor to complete -+ * before updating the status field, which hands it over to the -+ * hardware. The corresponding rmb() is "in the hardware". -+ */ -+ wmb(); -+ - /* Send it on its way. Tell FEC it's ready, interrupt when done, - * it's the last BD of the frame, and to put the CRC on the end. - */ -- status |= (BD_ENET_TX_READY | BD_ENET_TX_INTR -- | BD_ENET_TX_LAST | BD_ENET_TX_TC); -- bdp->cbd_sc = status; -- -- bdp_pre = fec_enet_get_prevdesc(bdp, fep); -- if ((id_entry->driver_data & FEC_QUIRK_ERR006358) && -- !(bdp_pre->cbd_sc & BD_ENET_TX_READY)) { -- fep->delay_work.trig_tx = true; -- schedule_delayed_work(&(fep->delay_work.delay_work), -- msecs_to_jiffies(1)); -+ status = bdp->bd.cbd_sc & BD_ENET_TX_WRAP; -+ bdp->bd.cbd_sc = status | BD_ENET_TX_READY | BD_ENET_TX_INTR | -+ BD_ENET_TX_LAST | BD_ENET_TX_TC; -+ -+ /* Now walk backwards setting the TX_READY on each fragment */ -+ for (f = nr_frags - 1; f >= 0; f--) { -+ unsigned i = index + f; -+ -+ if (i >= fep->tx_ring_size) -+ i -= fep->tx_ring_size; -+ -+ bdp = fec_enet_tx_get(i, fep); -+ status = bdp->bd.cbd_sc & BD_ENET_TX_WRAP; -+ bdp->bd.cbd_sc = status | BD_ENET_TX_READY | BD_ENET_TX_INTR; - } - -- /* If this was the last BD in the ring, start at the beginning again. */ -- bdp = fec_enet_get_nextdesc(bdp, fep); -- - skb_tx_timestamp(skb); -+ netdev_sent_queue(ndev, skb->len); -+ -+ if (++last >= fep->tx_ring_size) -+ last = 0; - -- fep->cur_tx = bdp; -+ fep->tx_next = last; - -- if (fep->cur_tx == fep->dirty_tx) -+ if (ring_free(last, fep->tx_dirty, fep->tx_ring_size) < fep->tx_min) - netif_stop_queue(ndev); - - /* Trigger transmission start */ -- writel(0, fep->hwp + FEC_X_DES_ACTIVE); -+ if (readl(fep->hwp + FEC_X_DES_ACTIVE) == 0) -+ writel(0, fep->hwp + FEC_X_DES_ACTIVE); - - return NETDEV_TX_OK; -+ -+ release_frags: -+ fec_enet_tx_unmap_range(index, last, fep); -+ release: -+ dev_kfree_skb_any(skb); -+ if (net_ratelimit()) -+ netdev_err(ndev, "Tx DMA memory map failed\n"); -+ return NETDEV_TX_OK; - } - - /* Init RX & TX buffer descriptors -@@ -446,71 +547,60 @@ - static void fec_enet_bd_init(struct net_device *dev) - { - struct fec_enet_private *fep = netdev_priv(dev); -- struct bufdesc *bdp; -+ union bufdesc_u *bdp; - unsigned int i; - - /* Initialize the receive buffer descriptors. */ -- bdp = fep->rx_bd_base; - for (i = 0; i < fep->rx_ring_size; i++) { -+ bdp = fec_enet_rx_get(i, fep); - - /* Initialize the BD for every fragment in the page. */ -- if (bdp->cbd_bufaddr) -- bdp->cbd_sc = BD_ENET_RX_EMPTY; -+ if (bdp->bd.cbd_bufaddr) -+ bdp->bd.cbd_sc = BD_ENET_RX_EMPTY; - else -- bdp->cbd_sc = 0; -- bdp = fec_enet_get_nextdesc(bdp, fep); -- } -+ bdp->bd.cbd_sc = 0; - -- /* Set the last buffer to wrap */ -- bdp = fec_enet_get_prevdesc(bdp, fep); -- bdp->cbd_sc |= BD_SC_WRAP; -+ if (i == fep->rx_ring_size - 1) -+ bdp->bd.cbd_sc |= BD_SC_WRAP; -+ } - -- fep->cur_rx = fep->rx_bd_base; -+ fep->rx_next = 0; - - /* ...and the same for transmit */ -- bdp = fep->tx_bd_base; -- fep->cur_tx = bdp; - for (i = 0; i < fep->tx_ring_size; i++) { -+ bdp = fec_enet_tx_get(i, fep); - - /* Initialize the BD for every fragment in the page. */ -- bdp->cbd_sc = 0; -- if (bdp->cbd_bufaddr && fep->tx_skbuff[i]) { -+ if (i == fep->tx_ring_size - 1) -+ bdp->bd.cbd_sc = BD_SC_WRAP; -+ else -+ bdp->bd.cbd_sc = 0; -+ if (bdp->bd.cbd_bufaddr) -+ fec_enet_tx_unmap(i, bdp, fep); -+ if (fep->tx_skbuff[i]) { - dev_kfree_skb_any(fep->tx_skbuff[i]); - fep->tx_skbuff[i] = NULL; - } -- bdp->cbd_bufaddr = 0; -- bdp = fec_enet_get_nextdesc(bdp, fep); - } - -- /* Set the last buffer to wrap */ -- bdp = fec_enet_get_prevdesc(bdp, fep); -- bdp->cbd_sc |= BD_SC_WRAP; -- fep->dirty_tx = bdp; -+ fep->tx_next = 0; -+ fep->tx_dirty = fep->tx_ring_size - 1; - } - --/* This function is called to start or restart the FEC during a link -- * change. This only happens when switching between half and full -- * duplex. -+/* -+ * This function is called to start or restart the FEC during a link -+ * change, transmit timeout, or to reconfigure the FEC. The network -+ * packet processing for this device must be stopped before this call. - */ - static void --fec_restart(struct net_device *ndev, int duplex) -+fec_restart(struct net_device *ndev) - { - struct fec_enet_private *fep = netdev_priv(ndev); -- const struct platform_device_id *id_entry = -- platform_get_device_id(fep->pdev); -- int i; - u32 val; - u32 temp_mac[2]; - u32 rcntl = OPT_FRAME_SIZE | 0x04; - u32 ecntl = 0x2; /* ETHEREN */ - -- if (netif_running(ndev)) { -- netif_device_detach(ndev); -- napi_disable(&fep->napi); -- netif_stop_queue(ndev); -- netif_tx_lock_bh(ndev); -- } -- - /* Whack a reset. We should wait for this. */ - writel(1, fep->hwp + FEC_ECNTRL); - udelay(10); -@@ -519,7 +609,7 @@ - * enet-mac reset will reset mac address registers too, - * so need to reconfigure it. - */ -- if (id_entry->driver_data & FEC_QUIRK_ENET_MAC) { -+ if (fep->quirks & FEC_QUIRK_ENET_MAC) { - memcpy(&temp_mac, ndev->dev_addr, ETH_ALEN); - writel(cpu_to_be32(temp_mac[0]), fep->hwp + FEC_ADDR_LOW); - writel(cpu_to_be32(temp_mac[1]), fep->hwp + FEC_ADDR_HIGH); -@@ -531,27 +621,16 @@ - /* Set maximum receive buffer size. */ - writel(PKT_MAXBLR_SIZE, fep->hwp + FEC_R_BUFF_SIZE); - -- fec_enet_bd_init(ndev); -+ if (fep->rx_bd_base) -+ fec_enet_bd_init(ndev); -+ netdev_reset_queue(ndev); - - /* Set receive and transmit descriptor base. */ -- writel(fep->bd_dma, fep->hwp + FEC_R_DES_START); -- if (fep->bufdesc_ex) -- writel((unsigned long)fep->bd_dma + sizeof(struct bufdesc_ex) -- * fep->rx_ring_size, fep->hwp + FEC_X_DES_START); -- else -- writel((unsigned long)fep->bd_dma + sizeof(struct bufdesc) -- * fep->rx_ring_size, fep->hwp + FEC_X_DES_START); -- -- -- for (i = 0; i <= TX_RING_MOD_MASK; i++) { -- if (fep->tx_skbuff[i]) { -- dev_kfree_skb_any(fep->tx_skbuff[i]); -- fep->tx_skbuff[i] = NULL; -- } -- } -+ writel(fep->rx_bd_dma, fep->hwp + FEC_R_DES_START); -+ writel(fep->tx_bd_dma, fep->hwp + FEC_X_DES_START); - - /* Enable MII mode */ -- if (duplex) { -+ if (fep->full_duplex == DUPLEX_FULL) { - /* FD enable */ - writel(0x04, fep->hwp + FEC_X_CNTRL); - } else { -@@ -560,15 +639,15 @@ - writel(0x0, fep->hwp + FEC_X_CNTRL); - } - -- fep->full_duplex = duplex; -- - /* Set MII speed */ - writel(fep->phy_speed, fep->hwp + FEC_MII_SPEED); - - #if !defined(CONFIG_M5272) - /* set RX checksum */ - val = readl(fep->hwp + FEC_RACC); -- if (fep->csum_flags & FLAG_RX_CSUM_ENABLED) -+ if (fep->quirks & FEC_QUIRK_RX_SHIFT16) -+ val |= FEC_RACC_SHIFT16; -+ if (fep->flags & FEC_FLAG_RX_CSUM) - val |= FEC_RACC_OPTIONS; - else - val &= ~FEC_RACC_OPTIONS; -@@ -579,9 +658,9 @@ - * The phy interface and speed need to get configured - * differently on enet-mac. - */ -- if (id_entry->driver_data & FEC_QUIRK_ENET_MAC) { -+ if (fep->quirks & FEC_QUIRK_ENET_MAC) { - /* Enable flow control and length check */ -- rcntl |= 0x40000000 | 0x00000020; -+ rcntl |= 0x40000000; - - /* RGMII, RMII or MII */ - if (fep->phy_interface == PHY_INTERFACE_MODE_RGMII) -@@ -602,7 +681,7 @@ - } - } else { - #ifdef FEC_MIIGSK_ENR -- if (id_entry->driver_data & FEC_QUIRK_USE_GASKET) { -+ if (fep->quirks & FEC_QUIRK_USE_GASKET) { - u32 cfgr; - /* disable the gasket and wait */ - writel(0, fep->hwp + FEC_MIIGSK_ENR); -@@ -627,22 +706,24 @@ - } - - #if !defined(CONFIG_M5272) -- /* enable pause frame*/ -- if ((fep->pause_flag & FEC_PAUSE_FLAG_ENABLE) || -- ((fep->pause_flag & FEC_PAUSE_FLAG_AUTONEG) && -- fep->phy_dev && fep->phy_dev->pause)) { -- rcntl |= FEC_ENET_FCE; -- -- /* set FIFO threshold parameter to reduce overrun */ -- writel(FEC_ENET_RSEM_V, fep->hwp + FEC_R_FIFO_RSEM); -- writel(FEC_ENET_RSFL_V, fep->hwp + FEC_R_FIFO_RSFL); -- writel(FEC_ENET_RAEM_V, fep->hwp + FEC_R_FIFO_RAEM); -- writel(FEC_ENET_RAFL_V, fep->hwp + FEC_R_FIFO_RAFL); -+ if (fep->full_duplex == DUPLEX_FULL) { -+ /* -+ * Configure pause modes according to the current status. -+ * Must only be enabled for full duplex links. -+ */ -+ if (fep->pause_mode & FEC_PAUSE_FLAG_RX) -+ rcntl |= FEC_ENET_FCE; - -- /* OPD */ -- writel(FEC_ENET_OPD_V, fep->hwp + FEC_OPD); -- } else { -- rcntl &= ~FEC_ENET_FCE; -+ if (fep->pause_mode & FEC_PAUSE_FLAG_TX) { -+ /* set FIFO threshold parameter to reduce overrun */ -+ writel(FEC_ENET_RSEM_V, fep->hwp + FEC_R_FIFO_RSEM); -+ writel(FEC_ENET_RSFL_V, fep->hwp + FEC_R_FIFO_RSFL); -+ writel(FEC_ENET_RAEM_V, fep->hwp + FEC_R_FIFO_RAEM); -+ writel(FEC_ENET_RAFL_V, fep->hwp + FEC_R_FIFO_RAFL); -+ -+ /* OPD */ -+ writel(FEC_ENET_OPD_V, fep->hwp + FEC_OPD); -+ } - } - #endif /* !defined(CONFIG_M5272) */ - -@@ -655,14 +736,14 @@ - writel(0, fep->hwp + FEC_HASH_TABLE_LOW); - #endif - -- if (id_entry->driver_data & FEC_QUIRK_ENET_MAC) { -+ if (fep->quirks & FEC_QUIRK_ENET_MAC) { - /* enable ENET endian swap */ - ecntl |= (1 << 8); - /* enable ENET store and forward mode */ - writel(1 << 8, fep->hwp + FEC_X_WMRK); - } - -- if (fep->bufdesc_ex) -+ if (fep->flags & FEC_FLAG_BUFDESC_EX) - ecntl |= (1 << 4); - - #ifndef CONFIG_M5272 -@@ -674,26 +755,17 @@ - writel(ecntl, fep->hwp + FEC_ECNTRL); - writel(0, fep->hwp + FEC_R_DES_ACTIVE); - -- if (fep->bufdesc_ex) -+ if (fep->flags & FEC_FLAG_BUFDESC_EX) - fec_ptp_start_cyclecounter(ndev); - - /* Enable interrupts we wish to service */ - writel(FEC_DEFAULT_IMASK, fep->hwp + FEC_IMASK); -- -- if (netif_running(ndev)) { -- netif_tx_unlock_bh(ndev); -- netif_wake_queue(ndev); -- napi_enable(&fep->napi); -- netif_device_attach(ndev); -- } - } - - static void - fec_stop(struct net_device *ndev) - { - struct fec_enet_private *fep = netdev_priv(ndev); -- const struct platform_device_id *id_entry = -- platform_get_device_id(fep->pdev); - u32 rmii_mode = readl(fep->hwp + FEC_R_CNTRL) & (1 << 8); - - /* We cannot expect a graceful transmit stop without link !!! */ -@@ -711,7 +783,7 @@ - writel(FEC_DEFAULT_IMASK, fep->hwp + FEC_IMASK); - - /* We have to keep ENET enabled to have MII interrupt stay working */ -- if (id_entry->driver_data & FEC_QUIRK_ENET_MAC) { -+ if (fep->quirks & FEC_QUIRK_ENET_MAC) { - writel(2, fep->hwp + FEC_ECNTRL); - writel(rmii_mode, fep->hwp + FEC_R_CNTRL); - } -@@ -723,127 +795,312 @@ - { - struct fec_enet_private *fep = netdev_priv(ndev); - -+ fec_dump(ndev); -+ - ndev->stats.tx_errors++; - -- fep->delay_work.timeout = true; -- schedule_delayed_work(&(fep->delay_work.delay_work), 0); -+ schedule_work(&fep->tx_timeout_work); - } - --static void fec_enet_work(struct work_struct *work) -+static void fec_enet_timeout_work(struct work_struct *work) - { - struct fec_enet_private *fep = -- container_of(work, -- struct fec_enet_private, -- delay_work.delay_work.work); -- -- if (fep->delay_work.timeout) { -- fep->delay_work.timeout = false; -- fec_restart(fep->netdev, fep->full_duplex); -- netif_wake_queue(fep->netdev); -- } -+ container_of(work, struct fec_enet_private, tx_timeout_work); -+ struct net_device *ndev = fep->netdev; - -- if (fep->delay_work.trig_tx) { -- fep->delay_work.trig_tx = false; -- writel(0, fep->hwp + FEC_X_DES_ACTIVE); -+ rtnl_lock(); -+ if (netif_device_present(ndev) || netif_running(ndev)) { -+ mutex_lock(&fep->mutex); -+ napi_disable(&fep->napi); -+ netif_tx_lock_bh(ndev); -+ fec_restart(ndev); -+ netif_wake_queue(ndev); -+ netif_tx_unlock_bh(ndev); -+ napi_enable(&fep->napi); -+ mutex_unlock(&fep->mutex); - } -+ rtnl_unlock(); - } - - static void -+fec_enet_hwtstamp(struct fec_enet_private *fep, unsigned ts, -+ struct skb_shared_hwtstamps *hwtstamps) -+{ -+ unsigned long flags; -+ u64 ns; -+ -+ spin_lock_irqsave(&fep->tmreg_lock, flags); -+ ns = timecounter_cyc2time(&fep->tc, ts); -+ spin_unlock_irqrestore(&fep->tmreg_lock, flags); -+ -+ memset(hwtstamps, 0, sizeof(*hwtstamps)); -+ hwtstamps->hwtstamp = ns_to_ktime(ns); -+} -+ -+static void noinline - fec_enet_tx(struct net_device *ndev) - { -- struct fec_enet_private *fep; -- struct bufdesc *bdp; -- unsigned short status; -+ struct fec_enet_private *fep = netdev_priv(ndev); -+ union bufdesc_u *bdp; - struct sk_buff *skb; -- int index = 0; -- -- fep = netdev_priv(ndev); -- bdp = fep->dirty_tx; -+ unsigned index = fep->tx_dirty; -+ unsigned pkts_compl, bytes_compl; - -- /* get next bdp of dirty_tx */ -- bdp = fec_enet_get_nextdesc(bdp, fep); -+ pkts_compl = bytes_compl = 0; -+ do { -+ unsigned status, cbd_esc; - -- while (((status = bdp->cbd_sc) & BD_ENET_TX_READY) == 0) { -+ if (++index >= fep->tx_ring_size) -+ index = 0; - - /* current queue is empty */ -- if (bdp == fep->cur_tx) -+ if (index == fep->tx_next) - break; - -- if (fep->bufdesc_ex) -- index = (struct bufdesc_ex *)bdp - -- (struct bufdesc_ex *)fep->tx_bd_base; -- else -- index = bdp - fep->tx_bd_base; -+ bdp = fec_enet_tx_get(index, fep); -+ -+ status = bdp->bd.cbd_sc; -+ if (status & BD_ENET_TX_READY) -+ break; -+ -+ fec_enet_tx_unmap(index, bdp, fep); - - skb = fep->tx_skbuff[index]; -- dma_unmap_single(&fep->pdev->dev, bdp->cbd_bufaddr, skb->len, -- DMA_TO_DEVICE); -- bdp->cbd_bufaddr = 0; -+ fep->tx_skbuff[index] = NULL; - - /* Check for errors. */ -- if (status & (BD_ENET_TX_HB | BD_ENET_TX_LC | -- BD_ENET_TX_RL | BD_ENET_TX_UN | -- BD_ENET_TX_CSL)) { -- ndev->stats.tx_errors++; -- if (status & BD_ENET_TX_HB) /* No heartbeat */ -- ndev->stats.tx_heartbeat_errors++; -- if (status & BD_ENET_TX_LC) /* Late collision */ -- ndev->stats.tx_window_errors++; -- if (status & BD_ENET_TX_RL) /* Retrans limit */ -- ndev->stats.tx_aborted_errors++; -- if (status & BD_ENET_TX_UN) /* Underrun */ -- ndev->stats.tx_fifo_errors++; -- if (status & BD_ENET_TX_CSL) /* Carrier lost */ -- ndev->stats.tx_carrier_errors++; -+ if (fep->flags & FEC_FLAG_BUFDESC_EX) { -+ cbd_esc = bdp->ebd.cbd_esc; -+ if (cbd_esc & BD_ENET_TX_TXE) { -+ ndev->stats.tx_errors++; -+ if (cbd_esc & BD_ENET_TX_EE) { /* excess collision */ -+ ndev->stats.collisions += 16; -+ ndev->stats.tx_aborted_errors++; -+ } -+ if (cbd_esc & BD_ENET_TX_LCE) /* late collision error */ -+ ndev->stats.tx_window_errors++; -+ if (cbd_esc & (BD_ENET_TX_UE | BD_ENET_TX_FE | BD_ENET_TX_OE)) -+ ndev->stats.tx_fifo_errors++; -+ goto next; -+ } - } else { -- ndev->stats.tx_packets++; -- ndev->stats.tx_bytes += bdp->cbd_datlen; -+ if (status & (BD_ENET_TX_HB | BD_ENET_TX_LC | -+ BD_ENET_TX_RL | BD_ENET_TX_UN | -+ BD_ENET_TX_CSL)) { -+ ndev->stats.tx_errors++; -+ if (status & BD_ENET_TX_HB) /* No heartbeat */ -+ ndev->stats.tx_heartbeat_errors++; -+ if (status & BD_ENET_TX_LC) /* Late collision */ -+ ndev->stats.tx_window_errors++; -+ if (status & BD_ENET_TX_RL) /* Retrans limit */ -+ ndev->stats.tx_aborted_errors++; -+ if (status & BD_ENET_TX_UN) /* Underrun */ -+ ndev->stats.tx_fifo_errors++; -+ if (status & BD_ENET_TX_CSL) /* Carrier lost */ -+ ndev->stats.tx_carrier_errors++; -+ goto next; -+ } - } - -- if (unlikely(skb_shinfo(skb)->tx_flags & SKBTX_IN_PROGRESS) && -- fep->bufdesc_ex) { -- struct skb_shared_hwtstamps shhwtstamps; -- unsigned long flags; -- struct bufdesc_ex *ebdp = (struct bufdesc_ex *)bdp; -- -- memset(&shhwtstamps, 0, sizeof(shhwtstamps)); -- spin_lock_irqsave(&fep->tmreg_lock, flags); -- shhwtstamps.hwtstamp = ns_to_ktime( -- timecounter_cyc2time(&fep->tc, ebdp->ts)); -- spin_unlock_irqrestore(&fep->tmreg_lock, flags); -- skb_tstamp_tx(skb, &shhwtstamps); -+ if (skb) { -+ ndev->stats.tx_packets++; -+ ndev->stats.tx_bytes += skb->len; - } - -- if (status & BD_ENET_TX_READY) -- netdev_err(ndev, "HEY! Enet xmit interrupt and TX_READY\n"); -- - /* Deferred means some collisions occurred during transmit, - * but we eventually sent the packet OK. - */ - if (status & BD_ENET_TX_DEF) - ndev->stats.collisions++; -+ next: -+ if (skb) { -+ if (fep->flags & FEC_FLAG_BUFDESC_EX && -+ unlikely(skb_shinfo(skb)->tx_flags & SKBTX_IN_PROGRESS)) { -+ struct skb_shared_hwtstamps shhwtstamps; - -- /* Free the sk buffer associated with this last transmit */ -- dev_kfree_skb_any(skb); -- fep->tx_skbuff[index] = NULL; -+ fec_enet_hwtstamp(fep, bdp->ebd.ts, &shhwtstamps); -+ skb_tstamp_tx(skb, &shhwtstamps); -+ } - -- fep->dirty_tx = bdp; -+ pkts_compl++; -+ bytes_compl += skb->len; - -- /* Update pointer to next buffer descriptor to be transmitted */ -- bdp = fec_enet_get_nextdesc(bdp, fep); -+ /* Free the sk buffer associated with this last transmit */ -+ dev_kfree_skb_any(skb); -+ } - -- /* Since we have freed up a buffer, the ring is no longer full -- */ -- if (fep->dirty_tx != fep->cur_tx) { -- if (netif_queue_stopped(ndev)) -- netif_wake_queue(ndev); -+ fep->tx_dirty = index; -+ } while (1); -+ -+ netdev_completed_queue(ndev, pkts_compl, bytes_compl); -+ -+ /* ERR006538: Keep the transmitter going */ -+ if (index != fep->tx_next && readl(fep->hwp + FEC_X_DES_ACTIVE) == 0) -+ writel(0, fep->hwp + FEC_X_DES_ACTIVE); -+ -+ if (netif_queue_stopped(ndev) && -+ ring_free(fep->tx_next, fep->tx_dirty, fep->tx_ring_size) >= -+ fep->tx_min) -+ netif_wake_queue(ndev); -+} -+ -+ -+static void -+fec_enet_receive(struct sk_buff *skb, union bufdesc_u *bdp, struct net_device *ndev) -+{ -+ struct fec_enet_private *fep = netdev_priv(ndev); -+ -+ skb->protocol = eth_type_trans(skb, ndev); -+ -+ /* Get receive timestamp from the skb */ -+ if (fep->hwts_rx_en && fep->flags & FEC_FLAG_BUFDESC_EX) -+ fec_enet_hwtstamp(fep, bdp->ebd.ts, skb_hwtstamps(skb)); -+ -+ if (fep->flags & FEC_FLAG_RX_CSUM) { -+ if (!(bdp->ebd.cbd_esc & FLAG_RX_CSUM_ERROR)) { -+ /* don't check it */ -+ skb->ip_summed = CHECKSUM_UNNECESSARY; -+ } else { -+ skb_checksum_none_assert(skb); - } - } -- return; -+ -+ napi_gro_receive(&fep->napi, skb); -+} -+ -+static void -+fec_enet_receive_copy(unsigned pkt_len, unsigned index, union bufdesc_u *bdp, struct net_device *ndev) -+{ -+ struct fec_enet_private *fep = netdev_priv(ndev); -+ struct sk_buff *skb; -+ unsigned char *data; -+ bool vlan_packet_rcvd = false; -+ -+ /* -+ * Detect the presence of the VLAN tag, and adjust -+ * the packet length appropriately. -+ */ -+ if (fep->flags & FEC_FLAG_RX_VLAN && -+ bdp->ebd.cbd_esc & BD_ENET_RX_VLAN) { -+ pkt_len -= VLAN_HLEN; -+ vlan_packet_rcvd = true; -+ } -+ -+ /* This does 16 byte alignment, exactly what we need. */ -+ skb = netdev_alloc_skb(ndev, pkt_len + NET_IP_ALIGN); -+ if (unlikely(!skb)) { -+ ndev->stats.rx_dropped++; -+ return; -+ } -+ -+ dma_sync_single_for_cpu(&fep->pdev->dev, bdp->bd.cbd_bufaddr, -+ FEC_ENET_RX_FRSIZE, DMA_FROM_DEVICE); -+ -+ data = fep->rx_skbuff[index]->data; -+ -+#ifndef CONFIG_M5272 -+ /* -+ * If we have enabled this feature, we need to discard -+ * the two bytes at the beginning of the packet before -+ * copying it. -+ */ -+ if (fep->quirks & FEC_QUIRK_RX_SHIFT16) { -+ pkt_len -= 2; -+ data += 2; -+ } -+#endif -+ -+ if (fep->quirks & FEC_QUIRK_SWAP_FRAME) -+ swap_buffer(data, pkt_len); -+ -+ skb_reserve(skb, NET_IP_ALIGN); -+ skb_put(skb, pkt_len); /* Make room */ -+ -+ /* If this is a VLAN packet remove the VLAN Tag */ -+ if (vlan_packet_rcvd) { -+ struct vlan_hdr *vlan = (struct vlan_hdr *)(data + ETH_HLEN); -+ -+ __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), -+ ntohs(vlan->h_vlan_TCI)); -+ -+ /* Extract the frame data without the VLAN header. */ -+ skb_copy_to_linear_data(skb, data, 2 * ETH_ALEN); -+ skb_copy_to_linear_data_offset(skb, 2 * ETH_ALEN, -+ data + 2 * ETH_ALEN + VLAN_HLEN, -+ pkt_len - 2 * ETH_ALEN); -+ } else { -+ skb_copy_to_linear_data(skb, data, pkt_len); -+ } -+ -+ dma_sync_single_for_device(&fep->pdev->dev, bdp->bd.cbd_bufaddr, -+ FEC_ENET_RX_FRSIZE, DMA_FROM_DEVICE); -+ -+ fec_enet_receive(skb, bdp, ndev); - } - -+static void -+fec_enet_receive_nocopy(unsigned pkt_len, unsigned index, union bufdesc_u *bdp, -+ struct net_device *ndev) -+{ -+ struct fec_enet_private *fep = netdev_priv(ndev); -+ struct sk_buff *skb, *skb_new; -+ unsigned char *data; -+ dma_addr_t addr; -+ -+ skb_new = netdev_alloc_skb(ndev, FEC_ENET_RX_FRSIZE); -+ if (!skb_new) { -+ ndev->stats.rx_dropped++; -+ return; -+ } -+ -+ addr = dma_map_single(&fep->pdev->dev, skb_new->data, -+ FEC_ENET_RX_FRSIZE, DMA_FROM_DEVICE); -+ if (dma_mapping_error(&fep->pdev->dev, addr)) { -+ dev_kfree_skb(skb_new); -+ ndev->stats.rx_dropped++; -+ return; -+ } - --/* During a receive, the cur_rx points to the current incoming buffer. -+ /* We have the new skb, so proceed to deal with the received data. */ -+ dma_unmap_single(&fep->pdev->dev, bdp->bd.cbd_bufaddr, -+ FEC_ENET_RX_FRSIZE, DMA_FROM_DEVICE); -+ -+ skb = fep->rx_skbuff[index]; -+ -+ /* Now subsitute in the new skb */ -+ fep->rx_skbuff[index] = skb_new; -+ bdp->bd.cbd_bufaddr = addr; -+ -+ /* -+ * Update the skb length according to the raw packet length. -+ * Then remove the two bytes of additional padding. -+ */ -+ skb_put(skb, pkt_len); -+ data = skb_pull_inline(skb, 2); -+ -+ if (fep->quirks & FEC_QUIRK_SWAP_FRAME) -+ swap_buffer(data, skb->len); -+ -+ /* -+ * Now juggle things for the VLAN tag - if the hardware -+ * flags this as present, we need to read the tag, and -+ * then shuffle the ethernet addresses up. -+ */ -+ if (ndev->features & NETIF_F_HW_VLAN_CTAG_RX && -+ bdp->ebd.cbd_esc & BD_ENET_RX_VLAN) { -+ struct vlan_hdr *vlan = (struct vlan_hdr *)(data + ETH_HLEN); -+ -+ __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), -+ ntohs(vlan->h_vlan_TCI)); -+ -+ memmove(data + VLAN_HLEN, data, 2 * ETH_ALEN); -+ skb_pull_inline(skb, VLAN_HLEN); -+ } -+ -+ fec_enet_receive(skb, bdp, ndev); -+} -+ -+/* During a receive, the rx_next points to the current incoming buffer. - * When we update through the ring, if the next incoming buffer has - * not been given to the system, we just set the empty indicator, - * effectively tossing the packet. -@@ -852,18 +1109,9 @@ - fec_enet_rx(struct net_device *ndev, int budget) - { - struct fec_enet_private *fep = netdev_priv(ndev); -- const struct platform_device_id *id_entry = -- platform_get_device_id(fep->pdev); -- struct bufdesc *bdp; -- unsigned short status; -- struct sk_buff *skb; - ushort pkt_len; -- __u8 *data; - int pkt_received = 0; -- struct bufdesc_ex *ebdp = NULL; -- bool vlan_packet_rcvd = false; -- u16 vlan_tag; -- int index = 0; -+ unsigned index = fep->rx_next; - - #ifdef CONFIG_M532x - flush_cache_all(); -@@ -872,12 +1120,17 @@ - /* First, grab all of the stats for the incoming packet. - * These get messed up if we get called due to a busy condition. - */ -- bdp = fep->cur_rx; -+ do { -+ union bufdesc_u *bdp = fec_enet_rx_get(index, fep); -+ unsigned status; - -- while (!((status = bdp->cbd_sc) & BD_ENET_RX_EMPTY)) { -+ status = bdp->bd.cbd_sc; -+ if (status & BD_ENET_RX_EMPTY) -+ break; - - if (pkt_received >= budget) - break; -+ - pkt_received++; - - /* Since we have allocated space to hold a complete frame, -@@ -886,155 +1139,81 @@ - if ((status & BD_ENET_RX_LAST) == 0) - netdev_err(ndev, "rcv is not +last\n"); - -- if (!fep->opened) -- goto rx_processing_done; -+ writel(FEC_ENET_RXF, fep->hwp + FEC_IEVENT); - - /* Check for errors. */ -- if (status & (BD_ENET_RX_LG | BD_ENET_RX_SH | BD_ENET_RX_NO | -- BD_ENET_RX_CR | BD_ENET_RX_OV)) { -+ if (status & BD_ENET_RX_ERROR) { - ndev->stats.rx_errors++; -- if (status & (BD_ENET_RX_LG | BD_ENET_RX_SH)) { -- /* Frame too long or too short. */ -- ndev->stats.rx_length_errors++; -- } -- if (status & BD_ENET_RX_NO) /* Frame alignment */ -- ndev->stats.rx_frame_errors++; -- if (status & BD_ENET_RX_CR) /* CRC Error */ -- ndev->stats.rx_crc_errors++; -- if (status & BD_ENET_RX_OV) /* FIFO overrun */ -- ndev->stats.rx_fifo_errors++; -- } - -- /* Report late collisions as a frame error. -- * On this error, the BD is closed, but we don't know what we -- * have in the buffer. So, just drop this frame on the floor. -- */ -- if (status & BD_ENET_RX_CL) { -- ndev->stats.rx_errors++; -- ndev->stats.rx_frame_errors++; -+ /* -+ * Report late collisions as a frame error. On this -+ * error, the BD is closed, but we don't know what we -+ * have in the buffer. So, just drop this frame on -+ * the floor. -+ */ -+ if (status & BD_ENET_RX_CL) { -+ ndev->stats.rx_frame_errors++; -+ } else { -+ if (status & (BD_ENET_RX_LG | BD_ENET_RX_SH)) -+ /* Frame too long or too short. */ -+ ndev->stats.rx_length_errors++; -+ if (status & BD_ENET_RX_NO) /* Frame alignment */ -+ ndev->stats.rx_frame_errors++; -+ if (status & BD_ENET_RX_CR) /* CRC Error */ -+ ndev->stats.rx_crc_errors++; -+ if (status & BD_ENET_RX_OV) /* FIFO overrun */ -+ ndev->stats.rx_fifo_errors++; -+ } - goto rx_processing_done; - } - - /* Process the incoming frame. */ - ndev->stats.rx_packets++; -- pkt_len = bdp->cbd_datlen; -- ndev->stats.rx_bytes += pkt_len; -- -- if (fep->bufdesc_ex) -- index = (struct bufdesc_ex *)bdp - -- (struct bufdesc_ex *)fep->rx_bd_base; -- else -- index = bdp - fep->rx_bd_base; -- data = fep->rx_skbuff[index]->data; -- dma_sync_single_for_cpu(&fep->pdev->dev, bdp->cbd_bufaddr, -- FEC_ENET_RX_FRSIZE, DMA_FROM_DEVICE); -- -- if (id_entry->driver_data & FEC_QUIRK_SWAP_FRAME) -- swap_buffer(data, pkt_len); - -- /* Extract the enhanced buffer descriptor */ -- ebdp = NULL; -- if (fep->bufdesc_ex) -- ebdp = (struct bufdesc_ex *)bdp; -- -- /* If this is a VLAN packet remove the VLAN Tag */ -- vlan_packet_rcvd = false; -- if ((ndev->features & NETIF_F_HW_VLAN_CTAG_RX) && -- fep->bufdesc_ex && (ebdp->cbd_esc & BD_ENET_RX_VLAN)) { -- /* Push and remove the vlan tag */ -- struct vlan_hdr *vlan_header = -- (struct vlan_hdr *) (data + ETH_HLEN); -- vlan_tag = ntohs(vlan_header->h_vlan_TCI); -- pkt_len -= VLAN_HLEN; -- -- vlan_packet_rcvd = true; -- } -- -- /* This does 16 byte alignment, exactly what we need. -- * The packet length includes FCS, but we don't want to -- * include that when passing upstream as it messes up -- * bridging applications. -+ /* -+ * The packet length includes FCS, but we don't want -+ * to include that when passing upstream as it messes -+ * up bridging applications. - */ -- skb = netdev_alloc_skb(ndev, pkt_len - 4 + NET_IP_ALIGN); -+ pkt_len = bdp->bd.cbd_datlen - 4; -+ ndev->stats.rx_bytes += pkt_len; - -- if (unlikely(!skb)) { -- ndev->stats.rx_dropped++; -+ if (fec_enet_rx_zerocopy(fep, pkt_len)) { -+ fec_enet_receive_nocopy(pkt_len, index, bdp, ndev); - } else { -- int payload_offset = (2 * ETH_ALEN); -- skb_reserve(skb, NET_IP_ALIGN); -- skb_put(skb, pkt_len - 4); /* Make room */ -- -- /* Extract the frame data without the VLAN header. */ -- skb_copy_to_linear_data(skb, data, (2 * ETH_ALEN)); -- if (vlan_packet_rcvd) -- payload_offset = (2 * ETH_ALEN) + VLAN_HLEN; -- skb_copy_to_linear_data_offset(skb, (2 * ETH_ALEN), -- data + payload_offset, -- pkt_len - 4 - (2 * ETH_ALEN)); -- -- skb->protocol = eth_type_trans(skb, ndev); -- -- /* Get receive timestamp from the skb */ -- if (fep->hwts_rx_en && fep->bufdesc_ex) { -- struct skb_shared_hwtstamps *shhwtstamps = -- skb_hwtstamps(skb); -- unsigned long flags; -- -- memset(shhwtstamps, 0, sizeof(*shhwtstamps)); -- -- spin_lock_irqsave(&fep->tmreg_lock, flags); -- shhwtstamps->hwtstamp = ns_to_ktime( -- timecounter_cyc2time(&fep->tc, ebdp->ts)); -- spin_unlock_irqrestore(&fep->tmreg_lock, flags); -- } -- -- if (fep->bufdesc_ex && -- (fep->csum_flags & FLAG_RX_CSUM_ENABLED)) { -- if (!(ebdp->cbd_esc & FLAG_RX_CSUM_ERROR)) { -- /* don't check it */ -- skb->ip_summed = CHECKSUM_UNNECESSARY; -- } else { -- skb_checksum_none_assert(skb); -- } -- } -- -- /* Handle received VLAN packets */ -- if (vlan_packet_rcvd) -- __vlan_hwaccel_put_tag(skb, -- htons(ETH_P_8021Q), -- vlan_tag); -- -- napi_gro_receive(&fep->napi, skb); -+ fec_enet_receive_copy(pkt_len, index, bdp, ndev); - } - -- dma_sync_single_for_device(&fep->pdev->dev, bdp->cbd_bufaddr, -- FEC_ENET_RX_FRSIZE, DMA_FROM_DEVICE); - rx_processing_done: -+ if (fep->flags & FEC_FLAG_BUFDESC_EX) { -+ bdp->ebd.cbd_esc = BD_ENET_RX_INT; -+ bdp->ebd.cbd_prot = 0; -+ bdp->ebd.cbd_bdu = 0; -+ } -+ -+ /* -+ * Ensure that the previous writes have completed before -+ * the status update becomes visible. -+ */ -+ wmb(); -+ - /* Clear the status flags for this buffer */ - status &= ~BD_ENET_RX_STATS; - - /* Mark the buffer empty */ - status |= BD_ENET_RX_EMPTY; -- bdp->cbd_sc = status; -- -- if (fep->bufdesc_ex) { -- struct bufdesc_ex *ebdp = (struct bufdesc_ex *)bdp; -- -- ebdp->cbd_esc = BD_ENET_RX_INT; -- ebdp->cbd_prot = 0; -- ebdp->cbd_bdu = 0; -- } -- -- /* Update BD pointer to next entry */ -- bdp = fec_enet_get_nextdesc(bdp, fep); -+ bdp->bd.cbd_sc = status; - - /* Doing this here will keep the FEC running while we process - * incoming frames. On a heavily loaded network, we should be - * able to keep up at the expense of system resources. - */ - writel(0, fep->hwp + FEC_R_DES_ACTIVE); -- } -- fep->cur_rx = bdp; -+ -+ if (++index >= fep->rx_ring_size) -+ index = 0; -+ } while (1); -+ fep->rx_next = index; - - return pkt_received; - } -@@ -1044,29 +1223,25 @@ - { - struct net_device *ndev = dev_id; - struct fec_enet_private *fep = netdev_priv(ndev); -+ const unsigned napi_mask = FEC_ENET_RXF | FEC_ENET_TXF; - uint int_events; - irqreturn_t ret = IRQ_NONE; - -- do { -- int_events = readl(fep->hwp + FEC_IEVENT); -- writel(int_events, fep->hwp + FEC_IEVENT); -+ int_events = readl(fep->hwp + FEC_IEVENT); -+ writel(int_events & ~napi_mask, fep->hwp + FEC_IEVENT); - -- if (int_events & (FEC_ENET_RXF | FEC_ENET_TXF)) { -- ret = IRQ_HANDLED; -+ if (int_events & napi_mask) { -+ ret = IRQ_HANDLED; - -- /* Disable the RX interrupt */ -- if (napi_schedule_prep(&fep->napi)) { -- writel(FEC_RX_DISABLED_IMASK, -- fep->hwp + FEC_IMASK); -- __napi_schedule(&fep->napi); -- } -- } -+ /* Disable the NAPI interrupts */ -+ writel(FEC_ENET_MII, fep->hwp + FEC_IMASK); -+ napi_schedule(&fep->napi); -+ } - -- if (int_events & FEC_ENET_MII) { -- ret = IRQ_HANDLED; -- complete(&fep->mdio_done); -- } -- } while (int_events); -+ if (int_events & FEC_ENET_MII) { -+ ret = IRQ_HANDLED; -+ complete(&fep->mdio_done); -+ } - - return ret; - } -@@ -1074,8 +1249,16 @@ - static int fec_enet_rx_napi(struct napi_struct *napi, int budget) - { - struct net_device *ndev = napi->dev; -- int pkts = fec_enet_rx(ndev, budget); - struct fec_enet_private *fep = netdev_priv(ndev); -+ int pkts; -+ -+ /* -+ * Clear any pending transmit or receive interrupts before -+ * processing the rings to avoid racing with the hardware. -+ */ -+ writel(FEC_ENET_RXF | FEC_ENET_TXF, fep->hwp + FEC_IEVENT); -+ -+ pkts = fec_enet_rx(ndev, budget); - - fec_enet_tx(ndev); - -@@ -1173,26 +1356,78 @@ - return; - } - -- if (phy_dev->link) { -+ /* -+ * If the netdev is down, or is going down, we're not interested -+ * in link state events, so just mark our idea of the link as down -+ * and ignore the event. -+ */ -+ if (!netif_running(ndev) || !netif_device_present(ndev)) { -+ fep->link = 0; -+ } else if (phy_dev->link) { - if (!fep->link) { - fep->link = phy_dev->link; - status_change = 1; - } - -- if (fep->full_duplex != phy_dev->duplex) -+ if (fep->full_duplex != phy_dev->duplex) { -+ fep->full_duplex = phy_dev->duplex; - status_change = 1; -+ } - - if (phy_dev->speed != fep->speed) { - fep->speed = phy_dev->speed; - status_change = 1; - } - -+ if (fep->pause_flag & FEC_PAUSE_FLAG_AUTONEG) { -+ u32 lcl_adv = phy_dev->advertising; -+ u32 rmt_adv = phy_dev->lp_advertising; -+ unsigned mode = 0; -+ -+ if (lcl_adv & rmt_adv & ADVERTISED_Pause) { -+ /* -+ * Local Device Link Partner -+ * Pause AsymDir Pause AsymDir Result -+ * 1 X 1 X TX+RX -+ */ -+ mode = FEC_PAUSE_FLAG_TX | FEC_PAUSE_FLAG_RX; -+ } else if (lcl_adv & rmt_adv & ADVERTISED_Asym_Pause) { -+ /* -+ * 0 1 1 1 RX -+ * 1 1 0 1 TX -+ */ -+ if (rmt_adv & ADVERTISED_Pause) -+ mode = FEC_PAUSE_FLAG_RX; -+ else -+ mode = FEC_PAUSE_FLAG_TX; -+ } -+ -+ if (mode != fep->pause_mode) { -+ fep->pause_mode = mode; -+ status_change = 1; -+ } -+ } -+ - /* if any of the above changed restart the FEC */ -- if (status_change) -- fec_restart(ndev, phy_dev->duplex); -+ if (status_change) { -+ mutex_lock(&fep->mutex); -+ napi_disable(&fep->napi); -+ netif_tx_lock_bh(ndev); -+ fec_restart(ndev); -+ netif_wake_queue(ndev); -+ netif_tx_unlock_bh(ndev); -+ napi_enable(&fep->napi); -+ mutex_unlock(&fep->mutex); -+ } - } else { - if (fep->link) { -+ mutex_lock(&fep->mutex); -+ napi_disable(&fep->napi); -+ netif_tx_lock_bh(ndev); - fec_stop(ndev); -+ netif_tx_unlock_bh(ndev); -+ napi_enable(&fep->napi); -+ mutex_unlock(&fep->mutex); - fep->link = phy_dev->link; - status_change = 1; - } -@@ -1202,23 +1437,35 @@ - phy_print_status(phy_dev); - } - --static int fec_enet_mdio_read(struct mii_bus *bus, int mii_id, int regnum) -+static unsigned long fec_enet_mdio_op(struct fec_enet_private *fep, -+ unsigned data) - { -- struct fec_enet_private *fep = bus->priv; - unsigned long time_left; - - fep->mii_timeout = 0; - init_completion(&fep->mdio_done); - -- /* start a read op */ -- writel(FEC_MMFR_ST | FEC_MMFR_OP_READ | -- FEC_MMFR_PA(mii_id) | FEC_MMFR_RA(regnum) | -- FEC_MMFR_TA, fep->hwp + FEC_MII_DATA); -+ mutex_lock(&fep->mutex); -+ -+ /* start operation */ -+ writel(data, fep->hwp + FEC_MII_DATA); - - /* wait for end of transfer */ - time_left = wait_for_completion_timeout(&fep->mdio_done, - usecs_to_jiffies(FEC_MII_TIMEOUT)); -- if (time_left == 0) { -+ -+ mutex_unlock(&fep->mutex); -+ -+ return time_left; -+} -+ -+static int fec_enet_mdio_read(struct mii_bus *bus, int mii_id, int regnum) -+{ -+ struct fec_enet_private *fep = bus->priv; -+ -+ if (fec_enet_mdio_op(fep, FEC_MMFR_ST | FEC_MMFR_OP_READ | -+ FEC_MMFR_PA(mii_id) | FEC_MMFR_RA(regnum) | -+ FEC_MMFR_TA) == 0) { - fep->mii_timeout = 1; - netdev_err(fep->netdev, "MDIO read timeout\n"); - return -ETIMEDOUT; -@@ -1232,21 +1479,10 @@ - u16 value) - { - struct fec_enet_private *fep = bus->priv; -- unsigned long time_left; -- -- fep->mii_timeout = 0; -- init_completion(&fep->mdio_done); -- -- /* start a write op */ -- writel(FEC_MMFR_ST | FEC_MMFR_OP_WRITE | -- FEC_MMFR_PA(mii_id) | FEC_MMFR_RA(regnum) | -- FEC_MMFR_TA | FEC_MMFR_DATA(value), -- fep->hwp + FEC_MII_DATA); - -- /* wait for end of transfer */ -- time_left = wait_for_completion_timeout(&fep->mdio_done, -- usecs_to_jiffies(FEC_MII_TIMEOUT)); -- if (time_left == 0) { -+ if (fec_enet_mdio_op(fep, FEC_MMFR_ST | FEC_MMFR_OP_WRITE | -+ FEC_MMFR_PA(mii_id) | FEC_MMFR_RA(regnum) | -+ FEC_MMFR_TA | FEC_MMFR_DATA(value)) == 0) { - fep->mii_timeout = 1; - netdev_err(fep->netdev, "MDIO write timeout\n"); - return -ETIMEDOUT; -@@ -1255,11 +1491,37 @@ - return 0; - } - -+static void fec_enet_phy_config(struct net_device *ndev) -+{ -+#ifndef CONFIG_M5272 -+ struct fec_enet_private *fep = netdev_priv(ndev); -+ struct phy_device *phy = fep->phy_dev; -+ unsigned pause = 0; -+ -+ /* -+ * Pause advertisment logic is weird. We don't advertise the raw -+ * "can tx" and "can rx" modes, but instead it is whether we support -+ * symmetric flow or asymmetric flow. -+ * -+ * Symmetric flow means we can only support both transmit and receive -+ * flow control frames together. Asymmetric flow means we can -+ * independently control each. Note that there is no bit encoding -+ * for "I can only receive flow control frames." -+ */ -+ if (fep->pause_flag & FEC_PAUSE_FLAG_RX) -+ pause |= ADVERTISED_Asym_Pause | ADVERTISED_Pause; -+ if (fep->pause_flag & FEC_PAUSE_FLAG_TX) -+ pause |= ADVERTISED_Asym_Pause; -+ -+ pause &= phy->supported; -+ pause |= phy->advertising & ~(ADVERTISED_Pause | ADVERTISED_Asym_Pause); -+ phy->advertising = pause; -+#endif -+} -+ - static int fec_enet_mii_probe(struct net_device *ndev) - { - struct fec_enet_private *fep = netdev_priv(ndev); -- const struct platform_device_id *id_entry = -- platform_get_device_id(fep->pdev); - struct phy_device *phy_dev = NULL; - char mdio_bus_id[MII_BUS_ID_SIZE]; - char phy_name[MII_BUS_ID_SIZE + 3]; -@@ -1297,10 +1559,11 @@ - } - - /* mask with MAC supported features */ -- if (id_entry->driver_data & FEC_QUIRK_HAS_GBIT) { -+ if (fep->quirks & FEC_QUIRK_HAS_GBIT) { - phy_dev->supported &= PHY_GBIT_FEATURES; -+ phy_dev->supported &= ~SUPPORTED_1000baseT_Half; - #if !defined(CONFIG_M5272) -- phy_dev->supported |= SUPPORTED_Pause; -+ phy_dev->supported |= SUPPORTED_Pause | SUPPORTED_Asym_Pause; - #endif - } - else -@@ -1312,6 +1575,8 @@ - fep->link = 0; - fep->full_duplex = 0; - -+ fec_enet_phy_config(ndev); -+ - netdev_info(ndev, "Freescale FEC PHY driver [%s] (mii_bus:phy_addr=%s, irq=%d)\n", - fep->phy_dev->drv->name, dev_name(&fep->phy_dev->dev), - fep->phy_dev->irq); -@@ -1324,8 +1589,6 @@ - static struct mii_bus *fec0_mii_bus; - struct net_device *ndev = platform_get_drvdata(pdev); - struct fec_enet_private *fep = netdev_priv(ndev); -- const struct platform_device_id *id_entry = -- platform_get_device_id(fep->pdev); - int err = -ENXIO, i; - - /* -@@ -1344,7 +1607,7 @@ - * mdio interface in board design, and need to be configured by - * fec0 mii_bus. - */ -- if ((id_entry->driver_data & FEC_QUIRK_ENET_MAC) && fep->dev_id > 0) { -+ if ((fep->quirks & FEC_QUIRK_ENET_MAC) && fep->dev_id > 0) { - /* fec1 uses fec0 mii_bus */ - if (mii_cnt && fec0_mii_bus) { - fep->mii_bus = fec0_mii_bus; -@@ -1365,7 +1628,7 @@ - * document. - */ - fep->phy_speed = DIV_ROUND_UP(clk_get_rate(fep->clk_ahb), 5000000); -- if (id_entry->driver_data & FEC_QUIRK_ENET_MAC) -+ if (fep->quirks & FEC_QUIRK_ENET_MAC) - fep->phy_speed--; - fep->phy_speed <<= 1; - writel(fep->phy_speed, fep->hwp + FEC_MII_SPEED); -@@ -1399,7 +1662,7 @@ - mii_cnt++; - - /* save fec0 mii_bus */ -- if (id_entry->driver_data & FEC_QUIRK_ENET_MAC) -+ if (fep->quirks & FEC_QUIRK_ENET_MAC) - fec0_mii_bus = fep->mii_bus; - - return 0; -@@ -1461,7 +1724,7 @@ - { - struct fec_enet_private *fep = netdev_priv(ndev); - -- if (fep->bufdesc_ex) { -+ if (fep->flags & FEC_FLAG_BUFDESC_EX) { - - info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE | - SOF_TIMESTAMPING_RX_SOFTWARE | -@@ -1485,6 +1748,51 @@ - } - } - -+static void fec_enet_get_ringparam(struct net_device *ndev, -+ struct ethtool_ringparam *ring) -+{ -+ struct fec_enet_private *fep = netdev_priv(ndev); -+ -+ ring->rx_max_pending = RX_RING_SIZE; -+ ring->tx_max_pending = TX_RING_SIZE; -+ ring->rx_pending = fep->rx_ring_size; -+ ring->tx_pending = fep->tx_ring_size; -+} -+ -+static int fec_enet_set_ringparam(struct net_device *ndev, -+ struct ethtool_ringparam *ring) -+{ -+ struct fec_enet_private *fep = netdev_priv(ndev); -+ unsigned rx, tx, tx_min; -+ -+ tx_min = ndev->features & NETIF_F_SG ? TX_RING_SIZE_MIN_SG : 16; -+ -+ rx = clamp_t(u32, ring->rx_pending, 16, RX_RING_SIZE); -+ tx = clamp_t(u32, ring->tx_pending, tx_min, TX_RING_SIZE); -+ -+ if (tx == fep->tx_ring_size && rx == fep->rx_ring_size) -+ return 0; -+ -+ /* Setting the ring size while the interface is down is easy */ -+ if (!netif_running(ndev)) { -+ fep->tx_ring_size = tx; -+ fep->rx_ring_size = rx; -+ } else { -+ return -EINVAL; -+ -+ napi_disable(&fep->napi); -+ netif_tx_lock_bh(ndev); -+ fec_stop(ndev); -+ /* reallocate ring */ -+ fec_restart(ndev); -+ netif_wake_queue(ndev); -+ netif_tx_unlock_bh(ndev); -+ napi_enable(&fep->napi); -+ } -+ -+ return 0; -+} -+ - #if !defined(CONFIG_M5272) - - static void fec_enet_get_pauseparam(struct net_device *ndev, -@@ -1493,42 +1801,81 @@ - struct fec_enet_private *fep = netdev_priv(ndev); - - pause->autoneg = (fep->pause_flag & FEC_PAUSE_FLAG_AUTONEG) != 0; -- pause->tx_pause = (fep->pause_flag & FEC_PAUSE_FLAG_ENABLE) != 0; -- pause->rx_pause = pause->tx_pause; -+ pause->rx_pause = (fep->pause_flag & FEC_PAUSE_FLAG_RX) != 0; -+ pause->tx_pause = (fep->pause_flag & FEC_PAUSE_FLAG_TX) != 0; - } - - static int fec_enet_set_pauseparam(struct net_device *ndev, - struct ethtool_pauseparam *pause) - { - struct fec_enet_private *fep = netdev_priv(ndev); -+ unsigned pause_flag, changed; -+ struct phy_device *phy = fep->phy_dev; - -- if (pause->tx_pause != pause->rx_pause) { -- netdev_info(ndev, -- "hardware only support enable/disable both tx and rx"); -+ if (!phy) -+ return -ENODEV; -+ if (!(phy->supported & SUPPORTED_Pause)) -+ return -EINVAL; -+ if (!(phy->supported & SUPPORTED_Asym_Pause) && -+ pause->rx_pause != pause->tx_pause) - return -EINVAL; -- } - -- fep->pause_flag = 0; -+ pause_flag = 0; -+ if (pause->autoneg) -+ pause_flag |= FEC_PAUSE_FLAG_AUTONEG; -+ if (pause->rx_pause) -+ pause_flag |= FEC_PAUSE_FLAG_RX; -+ if (pause->tx_pause) -+ pause_flag |= FEC_PAUSE_FLAG_TX; -+ -+ changed = fep->pause_flag ^ pause_flag; -+ fep->pause_flag = pause_flag; -+ -+ /* configure the phy advertisment according to our new options */ -+ fec_enet_phy_config(ndev); -+ -+ if (changed) { -+ if (pause_flag & FEC_PAUSE_FLAG_AUTONEG) { -+ if (netif_running(ndev)) -+ phy_start_aneg(fep->phy_dev); -+ } else { -+ int adv, old_adv; - -- /* tx pause must be same as rx pause */ -- fep->pause_flag |= pause->rx_pause ? FEC_PAUSE_FLAG_ENABLE : 0; -- fep->pause_flag |= pause->autoneg ? FEC_PAUSE_FLAG_AUTONEG : 0; -- -- if (pause->rx_pause || pause->autoneg) { -- fep->phy_dev->supported |= ADVERTISED_Pause; -- fep->phy_dev->advertising |= ADVERTISED_Pause; -- } else { -- fep->phy_dev->supported &= ~ADVERTISED_Pause; -- fep->phy_dev->advertising &= ~ADVERTISED_Pause; -- } -+ /* -+ * Even if we are not in autonegotiate mode, we -+ * still update the phy with our capabilities so -+ * our link parter can make the appropriate -+ * decision. PHYLIB provides no way to do this. -+ */ -+ adv = phy_read(phy, MII_ADVERTISE); -+ if (adv >= 0) { -+ old_adv = adv; -+ adv &= ~(ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM); -+ if (phy->advertising & ADVERTISED_Pause) -+ adv |= ADVERTISE_PAUSE_CAP; -+ if (phy->advertising & ADVERTISED_Asym_Pause) -+ adv |= ADVERTISE_PAUSE_ASYM; - -- if (pause->autoneg) { -- if (netif_running(ndev)) -- fec_stop(ndev); -- phy_start_aneg(fep->phy_dev); -+ if (old_adv != adv) -+ phy_write(phy, MII_ADVERTISE, adv); -+ } -+ -+ /* Forced pause mode */ -+ fep->pause_mode = fep->pause_flag; -+ -+ if (netif_running(ndev)) { -+ mutex_lock(&fep->mutex); -+ napi_disable(&fep->napi); -+ netif_tx_lock_bh(ndev); -+ fec_stop(ndev); -+ fec_restart(ndev); -+ netif_wake_queue(ndev); -+ netif_tx_unlock_bh(ndev); -+ napi_enable(&fep->napi); -+ mutex_unlock(&fep->mutex); -+ } -+ } - } -- if (netif_running(ndev)) -- fec_restart(ndev, 0); - - return 0; - } -@@ -1645,21 +1992,21 @@ - } - - static const struct ethtool_ops fec_enet_ethtool_ops = { --#if !defined(CONFIG_M5272) -- .get_pauseparam = fec_enet_get_pauseparam, -- .set_pauseparam = fec_enet_set_pauseparam, --#endif - .get_settings = fec_enet_get_settings, - .set_settings = fec_enet_set_settings, - .get_drvinfo = fec_enet_get_drvinfo, -- .get_link = ethtool_op_get_link, -- .get_ts_info = fec_enet_get_ts_info, - .nway_reset = fec_enet_nway_reset, -+ .get_link = ethtool_op_get_link, -+ .get_ringparam = fec_enet_get_ringparam, -+ .set_ringparam = fec_enet_set_ringparam, - #ifndef CONFIG_M5272 -- .get_ethtool_stats = fec_enet_get_ethtool_stats, -+ .get_pauseparam = fec_enet_get_pauseparam, -+ .set_pauseparam = fec_enet_set_pauseparam, - .get_strings = fec_enet_get_strings, -+ .get_ethtool_stats = fec_enet_get_ethtool_stats, - .get_sset_count = fec_enet_get_sset_count, - #endif -+ .get_ts_info = fec_enet_get_ts_info, - }; - - static int fec_enet_ioctl(struct net_device *ndev, struct ifreq *rq, int cmd) -@@ -1673,7 +2020,7 @@ - if (!phydev) - return -ENODEV; - -- if (fep->bufdesc_ex) { -+ if (fep->flags & FEC_FLAG_BUFDESC_EX) { - if (cmd == SIOCSHWTSTAMP) - return fec_ptp_set(ndev, rq); - if (cmd == SIOCGHWTSTAMP) -@@ -1688,23 +2035,33 @@ - struct fec_enet_private *fep = netdev_priv(ndev); - unsigned int i; - struct sk_buff *skb; -- struct bufdesc *bdp; -+ union bufdesc_u *bdp; - -- bdp = fep->rx_bd_base; - for (i = 0; i < fep->rx_ring_size; i++) { -- skb = fep->rx_skbuff[i]; -+ bdp = fec_enet_rx_get(i, fep); - -- if (bdp->cbd_bufaddr) -- dma_unmap_single(&fep->pdev->dev, bdp->cbd_bufaddr, -+ skb = fep->rx_skbuff[i]; -+ fep->rx_skbuff[i] = NULL; -+ if (skb) { -+ dma_unmap_single(&fep->pdev->dev, bdp->bd.cbd_bufaddr, - FEC_ENET_RX_FRSIZE, DMA_FROM_DEVICE); -- if (skb) - dev_kfree_skb(skb); -- bdp = fec_enet_get_nextdesc(bdp, fep); -+ } - } - -- bdp = fep->tx_bd_base; -- for (i = 0; i < fep->tx_ring_size; i++) -+ for (i = 0; i < fep->tx_ring_size; i++) { -+ bdp = fec_enet_tx_get(i, fep); -+ if (bdp->bd.cbd_bufaddr) -+ fec_enet_tx_unmap(i, bdp, fep); - kfree(fep->tx_bounce[i]); -+ fep->tx_bounce[i] = NULL; -+ skb = fep->tx_skbuff[i]; -+ fep->tx_skbuff[i] = NULL; -+ if (skb) -+ dev_kfree_skb(skb); -+ } -+ -+ dma_free_coherent(NULL, PAGE_SIZE, fep->rx_bd_base, fep->rx_bd_dma); - } - - static int fec_enet_alloc_buffers(struct net_device *ndev) -@@ -1712,59 +2069,82 @@ - struct fec_enet_private *fep = netdev_priv(ndev); - unsigned int i; - struct sk_buff *skb; -- struct bufdesc *bdp; -+ union bufdesc_u *bdp; -+ union bufdesc_u *rx_cbd_cpu, *tx_cbd_cpu; -+ dma_addr_t rx_cbd_dma, tx_cbd_dma; -+ -+ /* Allocate memory for buffer descriptors. */ -+ rx_cbd_cpu = dma_alloc_coherent(NULL, PAGE_SIZE, &rx_cbd_dma, -+ GFP_KERNEL); -+ tx_cbd_cpu = dma_alloc_coherent(NULL, PAGE_SIZE, &tx_cbd_dma, -+ GFP_KERNEL); -+ if (!rx_cbd_cpu || !tx_cbd_cpu) { -+ if (rx_cbd_cpu) -+ dma_free_coherent(NULL, PAGE_SIZE, rx_cbd_cpu, rx_cbd_dma); -+ if (tx_cbd_cpu) -+ dma_free_coherent(NULL, PAGE_SIZE, tx_cbd_cpu, tx_cbd_dma); -+ return -ENOMEM; -+ } -+ -+ memset(rx_cbd_cpu, 0, PAGE_SIZE); -+ memset(tx_cbd_cpu, 0, PAGE_SIZE); -+ -+ /* Set receive and transmit descriptor base. */ -+ fep->rx_bd_base = rx_cbd_cpu; -+ fep->rx_bd_dma = rx_cbd_dma; -+ fep->tx_bd_base = tx_cbd_cpu; -+ fep->tx_bd_dma = tx_cbd_dma; - -- bdp = fep->rx_bd_base; - for (i = 0; i < fep->rx_ring_size; i++) { -+ dma_addr_t addr; -+ - skb = netdev_alloc_skb(ndev, FEC_ENET_RX_FRSIZE); -- if (!skb) { -- fec_enet_free_buffers(ndev); -- return -ENOMEM; -- } -- fep->rx_skbuff[i] = skb; -+ if (!skb) -+ goto err_alloc; - -- bdp->cbd_bufaddr = dma_map_single(&fep->pdev->dev, skb->data, -+ addr = dma_map_single(&fep->pdev->dev, skb->data, - FEC_ENET_RX_FRSIZE, DMA_FROM_DEVICE); -- if (dma_mapping_error(&fep->pdev->dev, bdp->cbd_bufaddr)) { -- fec_enet_free_buffers(ndev); -+ if (dma_mapping_error(&fep->pdev->dev, addr)) { -+ dev_kfree_skb(skb); - if (net_ratelimit()) - netdev_err(ndev, "Rx DMA memory map failed\n"); -- return -ENOMEM; -+ goto err_alloc; - } -- bdp->cbd_sc = BD_ENET_RX_EMPTY; - -- if (fep->bufdesc_ex) { -- struct bufdesc_ex *ebdp = (struct bufdesc_ex *)bdp; -- ebdp->cbd_esc = BD_ENET_RX_INT; -- } -+ fep->rx_skbuff[i] = skb; -+ bdp = fec_enet_rx_get(i, fep); -+ bdp->bd.cbd_bufaddr = addr; -+ bdp->bd.cbd_sc = BD_ENET_RX_EMPTY; -+ /* Set the last buffer to wrap. */ -+ if (i == fep->rx_ring_size - 1) -+ bdp->bd.cbd_sc |= BD_SC_WRAP; - -- bdp = fec_enet_get_nextdesc(bdp, fep); -+ if (fep->flags & FEC_FLAG_BUFDESC_EX) -+ bdp->ebd.cbd_esc = BD_ENET_RX_INT; - } - -- /* Set the last buffer to wrap. */ -- bdp = fec_enet_get_prevdesc(bdp, fep); -- bdp->cbd_sc |= BD_SC_WRAP; -- -- bdp = fep->tx_bd_base; - for (i = 0; i < fep->tx_ring_size; i++) { -+ bdp = fec_enet_tx_get(i, fep); - fep->tx_bounce[i] = kmalloc(FEC_ENET_TX_FRSIZE, GFP_KERNEL); -+ if (!fep->tx_bounce[i]) -+ goto err_alloc; - -- bdp->cbd_sc = 0; -- bdp->cbd_bufaddr = 0; -- -- if (fep->bufdesc_ex) { -- struct bufdesc_ex *ebdp = (struct bufdesc_ex *)bdp; -- ebdp->cbd_esc = BD_ENET_TX_INT; -- } -+ /* Set the last buffer to wrap. */ -+ if (i == fep->tx_ring_size - 1) -+ bdp->bd.cbd_sc = BD_SC_WRAP; -+ else -+ bdp->bd.cbd_sc = 0; -+ bdp->bd.cbd_bufaddr = 0; - -- bdp = fec_enet_get_nextdesc(bdp, fep); -+ if (fep->flags & FEC_FLAG_BUFDESC_EX) -+ bdp->ebd.cbd_esc = BD_ENET_TX_INT; - } - -- /* Set the last buffer to wrap. */ -- bdp = fec_enet_get_prevdesc(bdp, fep); -- bdp->cbd_sc |= BD_SC_WRAP; -- - return 0; -+ -+ err_alloc: -+ fec_enet_free_buffers(ndev); -+ return -ENOMEM; - } - - static int -@@ -1788,10 +2168,12 @@ - return ret; - } - -+ mutex_lock(&fep->mutex); -+ fec_restart(ndev); -+ mutex_unlock(&fep->mutex); - napi_enable(&fep->napi); - phy_start(fep->phy_dev); - netif_start_queue(ndev); -- fep->opened = 1; - return 0; - } - -@@ -1800,17 +2182,19 @@ - { - struct fec_enet_private *fep = netdev_priv(ndev); - -- /* Don't know what to do yet. */ -- napi_disable(&fep->napi); -- fep->opened = 0; -- netif_stop_queue(ndev); -- fec_stop(ndev); -+ phy_stop(fep->phy_dev); - -- if (fep->phy_dev) { -- phy_stop(fep->phy_dev); -- phy_disconnect(fep->phy_dev); -+ if (netif_device_present(ndev)) { -+ napi_disable(&fep->napi); -+ netif_tx_disable(ndev); -+ mutex_lock(&fep->mutex); -+ fec_stop(ndev); -+ mutex_unlock(&fep->mutex); - } - -+ phy_disconnect(fep->phy_dev); -+ fep->phy_dev = NULL; -+ - fec_enet_free_buffers(ndev); - - return 0; -@@ -1935,28 +2319,67 @@ - } - #endif - -+static netdev_features_t fec_fix_features(struct net_device *ndev, -+ netdev_features_t features) -+{ -+ struct fec_enet_private *fep = netdev_priv(ndev); -+ -+ /* -+ * NETIF_F_SG requires a minimum transmit ring size. If we -+ * have less than this size, we can't support this feature. -+ */ -+ if (fep->tx_ring_size < TX_RING_SIZE_MIN_SG) -+ features &= ~NETIF_F_SG; -+ -+ return features; -+} -+ -+#define FEATURES_NEED_QUIESCE (NETIF_F_RXCSUM | NETIF_F_SG) -+ - static int fec_set_features(struct net_device *netdev, - netdev_features_t features) - { - struct fec_enet_private *fep = netdev_priv(netdev); - netdev_features_t changed = features ^ netdev->features; - -+ /* Quiesce the device if necessary */ -+ if (netif_running(netdev) && changed & FEATURES_NEED_QUIESCE) { -+ mutex_lock(&fep->mutex); -+ napi_disable(&fep->napi); -+ netif_tx_lock_bh(netdev); -+ fec_stop(netdev); -+ } -+ - netdev->features = features; - - /* Receive checksum has been changed */ - if (changed & NETIF_F_RXCSUM) { - if (features & NETIF_F_RXCSUM) -- fep->csum_flags |= FLAG_RX_CSUM_ENABLED; -+ fep->flags |= FEC_FLAG_RX_CSUM; - else -- fep->csum_flags &= ~FLAG_RX_CSUM_ENABLED; -+ fep->flags &= ~FEC_FLAG_RX_CSUM; -+ } - -- if (netif_running(netdev)) { -- fec_stop(netdev); -- fec_restart(netdev, fep->phy_dev->duplex); -- netif_wake_queue(netdev); -- } else { -- fec_restart(netdev, fep->phy_dev->duplex); -- } -+ if (changed & NETIF_F_HW_VLAN_CTAG_RX) { -+ if (features & NETIF_F_HW_VLAN_CTAG_RX) -+ fep->flags |= FEC_FLAG_RX_VLAN; -+ else -+ fep->flags &= ~FEC_FLAG_RX_VLAN; -+ } -+ -+ /* Set the appropriate minimum transmit ring free threshold */ -+ if (features & NETIF_F_SG) -+ fep->tx_min = MAX_SKB_FRAGS + 1; -+ else -+ fep->tx_min = 1; -+ -+ /* Resume the device after updates */ -+ if (netif_running(netdev) && changed & FEATURES_NEED_QUIESCE) { -+ fec_restart(netdev); -+ netif_wake_queue(netdev); -+ netif_tx_unlock_bh(netdev); -+ napi_enable(&fep->napi); -+ mutex_unlock(&fep->mutex); - } - - return 0; -@@ -1975,27 +2398,13 @@ - #ifdef CONFIG_NET_POLL_CONTROLLER - .ndo_poll_controller = fec_poll_controller, - #endif -+ .ndo_fix_features = fec_fix_features, - .ndo_set_features = fec_set_features, - }; - -- /* -- * XXX: We need to clean up on failure exits here. -- * -- */ --static int fec_enet_init(struct net_device *ndev) -+static void fec_enet_init(struct net_device *ndev) - { - struct fec_enet_private *fep = netdev_priv(ndev); -- const struct platform_device_id *id_entry = -- platform_get_device_id(fep->pdev); -- struct bufdesc *cbd_base; -- -- /* Allocate memory for buffer descriptors. */ -- cbd_base = dma_alloc_coherent(NULL, PAGE_SIZE, &fep->bd_dma, -- GFP_KERNEL); -- if (!cbd_base) -- return -ENOMEM; -- -- memset(cbd_base, 0, PAGE_SIZE); - - fep->netdev = ndev; - -@@ -2008,13 +2417,8 @@ - fep->tx_ring_size = TX_RING_SIZE; - fep->rx_ring_size = RX_RING_SIZE; - -- /* Set receive and transmit descriptor base. */ -- fep->rx_bd_base = cbd_base; -- if (fep->bufdesc_ex) -- fep->tx_bd_base = (struct bufdesc *) -- (((struct bufdesc_ex *)cbd_base) + fep->rx_ring_size); -- else -- fep->tx_bd_base = cbd_base + fep->rx_ring_size; -+ fep->rx_bd_base = fep->tx_bd_base = NULL; -+ fep->rx_bd_dma = fep->tx_bd_dma = 0; - - /* The FEC Ethernet specific entries in the device structure */ - ndev->watchdog_timeo = TX_TIMEOUT; -@@ -2024,24 +2428,37 @@ - writel(FEC_RX_DISABLED_IMASK, fep->hwp + FEC_IMASK); - netif_napi_add(ndev, &fep->napi, fec_enet_rx_napi, NAPI_POLL_WEIGHT); - -- if (id_entry->driver_data & FEC_QUIRK_HAS_VLAN) { -- /* enable hw VLAN support */ -- ndev->features |= NETIF_F_HW_VLAN_CTAG_RX; -- ndev->hw_features |= NETIF_F_HW_VLAN_CTAG_RX; -- } -- -- if (id_entry->driver_data & FEC_QUIRK_HAS_CSUM) { -- /* enable hw accelerator */ -- ndev->features |= (NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM -- | NETIF_F_RXCSUM); -- ndev->hw_features |= (NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM -- | NETIF_F_RXCSUM); -- fep->csum_flags |= FLAG_RX_CSUM_ENABLED; -+ if (fep->flags & FEC_FLAG_BUFDESC_EX) { -+ /* Features which require the enhanced buffer descriptors */ -+ if (fep->quirks & FEC_QUIRK_HAS_VLAN) { -+ /* enable hw VLAN support */ -+ ndev->features |= NETIF_F_HW_VLAN_CTAG_RX; -+ ndev->hw_features |= NETIF_F_HW_VLAN_CTAG_RX; -+ fep->flags |= FEC_FLAG_RX_VLAN; -+ } -+ -+ if (fep->quirks & FEC_QUIRK_HAS_CSUM) { -+ /* enable hw accelerator */ -+ ndev->features |= (NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM -+ | NETIF_F_RXCSUM); -+ ndev->hw_features |= (NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM -+ | NETIF_F_RXCSUM); -+ fep->flags |= FEC_FLAG_RX_CSUM; -+ } - } - -- fec_restart(ndev, 0); -+ if (!(fep->quirks & FEC_QUIRK_SWAP_FRAME)) { -+ /* don't enable SG if we need to swap frames */ -+ ndev->features |= NETIF_F_SG; -+ ndev->hw_features |= NETIF_F_SG; -+ } - -- return 0; -+ if (ndev->features & NETIF_F_SG) -+ fep->tx_min = MAX_SKB_FRAGS + 1; -+ else -+ fep->tx_min = 1; -+ -+ fec_restart(ndev); - } - - #ifdef CONFIG_OF -@@ -2107,11 +2524,16 @@ - /* setup board info structure */ - fep = netdev_priv(ndev); - -+ mutex_init(&fep->mutex); -+ -+ if (pdev->id_entry) -+ fep->quirks = pdev->id_entry->driver_data; - #if !defined(CONFIG_M5272) - /* default enable pause frame auto negotiation */ -- if (pdev->id_entry && -- (pdev->id_entry->driver_data & FEC_QUIRK_HAS_GBIT)) -- fep->pause_flag |= FEC_PAUSE_FLAG_AUTONEG; -+ if (fep->quirks & FEC_QUIRK_HAS_GBIT) -+ fep->pause_flag |= FEC_PAUSE_FLAG_AUTONEG | -+ FEC_PAUSE_FLAG_TX | -+ FEC_PAUSE_FLAG_RX; - #endif - - r = platform_get_resource(pdev, IORESOURCE_MEM, 0); -@@ -2124,7 +2546,9 @@ - fep->pdev = pdev; - fep->dev_id = dev_id++; - -- fep->bufdesc_ex = 0; -+ fep->flags = 0; -+ if (pdev->id_entry->driver_data & FEC_QUIRK_HAS_BUFDESC_EX) -+ fep->flags |= FEC_FLAG_BUFDESC_EX; - - platform_set_drvdata(pdev, ndev); - -@@ -2157,11 +2581,9 @@ - fep->clk_enet_out = NULL; - - fep->clk_ptp = devm_clk_get(&pdev->dev, "ptp"); -- fep->bufdesc_ex = -- pdev->id_entry->driver_data & FEC_QUIRK_HAS_BUFDESC_EX; - if (IS_ERR(fep->clk_ptp)) { - fep->clk_ptp = NULL; -- fep->bufdesc_ex = 0; -+ fep->flags &= ~FEC_FLAG_BUFDESC_EX; - } - - ret = clk_prepare_enable(fep->clk_ahb); -@@ -2198,12 +2620,10 @@ - - fec_reset_phy(pdev); - -- if (fep->bufdesc_ex) -+ if (fep->flags & FEC_FLAG_BUFDESC_EX) - fec_ptp_init(pdev); - -- ret = fec_enet_init(ndev); -- if (ret) -- goto failed_init; -+ fec_enet_init(ndev); - - for (i = 0; i < FEC_IRQ_NUM; i++) { - irq = platform_get_irq(pdev, i); -@@ -2230,17 +2650,16 @@ - if (ret) - goto failed_register; - -- if (fep->bufdesc_ex && fep->ptp_clock) -+ if (fep->flags & FEC_FLAG_BUFDESC_EX && fep->ptp_clock) - netdev_info(ndev, "registered PHC device %d\n", fep->dev_id); - -- INIT_DELAYED_WORK(&(fep->delay_work.delay_work), fec_enet_work); -+ INIT_WORK(&fep->tx_timeout_work, fec_enet_timeout_work); - return 0; - - failed_register: - fec_enet_mii_remove(fep); - failed_mii_init: - failed_irq: --failed_init: - if (fep->reg_phy) - regulator_disable(fep->reg_phy); - failed_regulator: -@@ -2266,7 +2685,7 @@ - struct net_device *ndev = platform_get_drvdata(pdev); - struct fec_enet_private *fep = netdev_priv(ndev); - -- cancel_delayed_work_sync(&(fep->delay_work.delay_work)); -+ cancel_work_sync(&fep->tx_timeout_work); - unregister_netdev(ndev); - fec_enet_mii_remove(fep); - del_timer_sync(&fep->time_keep); -@@ -2292,10 +2711,19 @@ - struct net_device *ndev = dev_get_drvdata(dev); - struct fec_enet_private *fep = netdev_priv(ndev); - -+ rtnl_lock(); - if (netif_running(ndev)) { -- fec_stop(ndev); -+ phy_stop(fep->phy_dev); -+ napi_disable(&fep->napi); -+ netif_tx_lock_bh(ndev); - netif_device_detach(ndev); -+ netif_tx_unlock_bh(ndev); -+ mutex_lock(&fep->mutex); -+ fec_stop(ndev); -+ mutex_unlock(&fep->mutex); - } -+ rtnl_unlock(); -+ - if (fep->clk_ptp) - clk_disable_unprepare(fep->clk_ptp); - if (fep->clk_enet_out) -@@ -2342,10 +2770,18 @@ - goto failed_clk_ptp; - } - -+ rtnl_lock(); - if (netif_running(ndev)) { -- fec_restart(ndev, fep->full_duplex); -+ mutex_lock(&fep->mutex); -+ fec_restart(ndev); -+ mutex_unlock(&fep->mutex); -+ netif_tx_lock_bh(ndev); - netif_device_attach(ndev); -+ netif_tx_unlock_bh(ndev); -+ napi_enable(&fep->napi); -+ phy_start(fep->phy_dev); - } -+ rtnl_unlock(); - - return 0; - -diff -Nur linux-3.15-rc6.orig/drivers/regulator/anatop-regulator.c linux-3.15-rc6/drivers/regulator/anatop-regulator.c ---- linux-3.15-rc6.orig/drivers/regulator/anatop-regulator.c 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/drivers/regulator/anatop-regulator.c 2014-05-23 11:26:48.312940058 +0200 -@@ -267,6 +267,7 @@ - config.driver_data = sreg; - config.of_node = pdev->dev.of_node; - config.regmap = sreg->anatop; -+ config.ena_gpio = -EINVAL; - - /* Only core regulators have the ramp up delay configuration. */ - if (sreg->control_reg && sreg->delay_bit_width) { -diff -Nur linux-3.15-rc6.orig/drivers/regulator/core.c linux-3.15-rc6/drivers/regulator/core.c ---- linux-3.15-rc6.orig/drivers/regulator/core.c 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/drivers/regulator/core.c 2014-05-23 11:26:48.312940058 +0200 -@@ -3459,7 +3459,7 @@ - - dev_set_drvdata(&rdev->dev, rdev); - -- if (config->ena_gpio && gpio_is_valid(config->ena_gpio)) { -+ if (gpio_is_valid(config->ena_gpio)) { - ret = regulator_ena_gpio_request(rdev, config); - if (ret != 0) { - rdev_err(rdev, "Failed to request enable GPIO%d: %d\n", -diff -Nur linux-3.15-rc6.orig/drivers/regulator/dummy.c linux-3.15-rc6/drivers/regulator/dummy.c ---- linux-3.15-rc6.orig/drivers/regulator/dummy.c 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/drivers/regulator/dummy.c 2014-05-23 11:26:48.312940058 +0200 -@@ -48,6 +48,7 @@ - - config.dev = &pdev->dev; - config.init_data = &dummy_initdata; -+ config.ena_gpio = -EINVAL; - - dummy_regulator_rdev = regulator_register(&dummy_desc, &config); - if (IS_ERR(dummy_regulator_rdev)) { -diff -Nur linux-3.15-rc6.orig/drivers/regulator/fixed.c linux-3.15-rc6/drivers/regulator/fixed.c ---- linux-3.15-rc6.orig/drivers/regulator/fixed.c 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/drivers/regulator/fixed.c 2014-05-23 11:26:48.312940058 +0200 -@@ -161,9 +161,7 @@ - drvdata->desc.n_voltages = 1; - - drvdata->desc.fixed_uV = config->microvolts; -- -- if (config->gpio >= 0) -- cfg.ena_gpio = config->gpio; -+ cfg.ena_gpio = config->gpio; - cfg.ena_gpio_invert = !config->enable_high; - if (config->enabled_at_boot) { - if (config->enable_high) -diff -Nur linux-3.15-rc6.orig/drivers/staging/imx-drm/drm-ddc-connector.c linux-3.15-rc6/drivers/staging/imx-drm/drm-ddc-connector.c ---- linux-3.15-rc6.orig/drivers/staging/imx-drm/drm-ddc-connector.c 1970-01-01 01:00:00.000000000 +0100 -+++ linux-3.15-rc6/drivers/staging/imx-drm/drm-ddc-connector.c 2014-05-23 11:26:48.312940058 +0200 -@@ -0,0 +1,92 @@ -+#include -+#include -+#include -+#include -+#include -+ -+#include "drm-ddc-connector.h" -+ -+static enum drm_connector_status -+drm_ddc_connector_detect(struct drm_connector *connector, bool force) -+{ -+ struct drm_ddc_connector *ddc_conn = to_ddc_conn(connector); -+ -+ return ddc_conn->detect ? ddc_conn->detect(connector, force) : -+ connector_status_connected; -+} -+ -+int drm_ddc_connector_get_modes(struct drm_connector *connector) -+{ -+ struct drm_ddc_connector *ddc_conn = to_ddc_conn(connector); -+ struct edid *edid; -+ int ret = 0; -+ -+ if (!ddc_conn->ddc) -+ return 0; -+ -+ edid = drm_get_edid(connector, ddc_conn->ddc); -+ if (edid) { -+ drm_mode_connector_update_edid_property(connector, edid); -+ ret = drm_add_edid_modes(connector, edid); -+ /* Store the ELD */ -+ drm_edid_to_eld(connector, edid); -+ kfree(edid); -+ } -+ -+ return ret; -+} -+EXPORT_SYMBOL_GPL(drm_ddc_connector_get_modes); -+ -+static void drm_ddc_connector_destroy(struct drm_connector *connector) -+{ -+ struct drm_ddc_connector *ddc_conn = to_ddc_conn(connector); -+ -+ drm_sysfs_connector_remove(connector); -+ drm_connector_cleanup(connector); -+ if (ddc_conn->ddc) -+ i2c_put_adapter(ddc_conn->ddc); -+} -+ -+static const struct drm_connector_funcs drm_ddc_connector_funcs = { -+ .dpms = drm_helper_connector_dpms, -+ .fill_modes = drm_helper_probe_single_connector_modes, -+ .detect = drm_ddc_connector_detect, -+ .destroy = drm_ddc_connector_destroy, -+}; -+ -+int drm_ddc_connector_add(struct drm_device *drm, -+ struct drm_ddc_connector *ddc_conn, int connector_type) -+{ -+ drm_connector_init(drm, &ddc_conn->connector, &drm_ddc_connector_funcs, -+ connector_type); -+ return 0; -+} -+EXPORT_SYMBOL_GPL(drm_ddc_connector_add); -+ -+struct drm_ddc_connector *drm_ddc_connector_create(struct drm_device *drm, -+ struct device_node *np, void *private) -+{ -+ struct drm_ddc_connector *ddc_conn; -+ struct device_node *ddc_node; -+ -+ ddc_conn = devm_kzalloc(drm->dev, sizeof(*ddc_conn), GFP_KERNEL); -+ if (!ddc_conn) -+ return ERR_PTR(-ENOMEM); -+ -+ ddc_conn->private = private; -+ -+ ddc_node = of_parse_phandle(np, "ddc-i2c-bus", 0); -+ if (ddc_node) { -+ ddc_conn->ddc = of_find_i2c_adapter_by_node(ddc_node); -+ of_node_put(ddc_node); -+ if (!ddc_conn->ddc) -+ return ERR_PTR(-EPROBE_DEFER); -+ } -+ -+ return ddc_conn; -+} -+EXPORT_SYMBOL_GPL(drm_ddc_connector_create); -+ -+MODULE_AUTHOR("Russell King "); -+MODULE_DESCRIPTION("Generic DRM DDC connector module"); -+MODULE_LICENSE("GPL v2"); -diff -Nur linux-3.15-rc6.orig/drivers/staging/imx-drm/drm-ddc-connector.h linux-3.15-rc6/drivers/staging/imx-drm/drm-ddc-connector.h ---- linux-3.15-rc6.orig/drivers/staging/imx-drm/drm-ddc-connector.h 1970-01-01 01:00:00.000000000 +0100 -+++ linux-3.15-rc6/drivers/staging/imx-drm/drm-ddc-connector.h 2014-05-23 11:26:48.312940058 +0200 -@@ -0,0 +1,26 @@ -+#ifndef DRM_DDC_CONNECTOR_H -+#define DRM_DDC_CONNECTOR_H -+ -+struct drm_ddc_connector { -+ struct i2c_adapter *ddc; -+ struct drm_connector connector; -+ enum drm_connector_status (*detect)(struct drm_connector *, bool); -+ void *private; -+}; -+ -+#define to_ddc_conn(c) container_of(c, struct drm_ddc_connector, connector) -+ -+int drm_ddc_connector_get_modes(struct drm_connector *connector); -+int drm_ddc_connector_add(struct drm_device *drm, -+ struct drm_ddc_connector *ddc_conn, int connector_type); -+struct drm_ddc_connector *drm_ddc_connector_create(struct drm_device *drm, -+ struct device_node *np, void *private); -+ -+static inline void *drm_ddc_private(struct drm_connector *connector) -+{ -+ struct drm_ddc_connector *ddc_conn = to_ddc_conn(connector); -+ -+ return ddc_conn->private; -+} -+ -+#endif -diff -Nur linux-3.15-rc6.orig/drivers/staging/imx-drm/dw-hdmi-audio.c linux-3.15-rc6/drivers/staging/imx-drm/dw-hdmi-audio.c ---- linux-3.15-rc6.orig/drivers/staging/imx-drm/dw-hdmi-audio.c 1970-01-01 01:00:00.000000000 +0100 -+++ linux-3.15-rc6/drivers/staging/imx-drm/dw-hdmi-audio.c 2014-05-23 11:26:48.316940071 +0200 -@@ -0,0 +1,654 @@ -+/* -+ * DesignWare HDMI audio driver -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ * -+ * Written and tested against the (alleged) DW HDMI Tx found in iMX6S. -+ */ -+#include -+#include -+#include -+#include -+#include -+ -+#include -+#include -+#include -+#include -+ -+#include "dw-hdmi-audio.h" -+ -+#define DRIVER_NAME "dw-hdmi-audio" -+ -+/* Provide some bits rather than bit offsets */ -+enum { -+ HDMI_AHB_DMA_CONF0_SW_FIFO_RST = BIT(7), -+ HDMI_AHB_DMA_CONF0_EN_HLOCK = BIT(3), -+ HDMI_AHB_DMA_START_START = BIT(0), -+ HDMI_AHB_DMA_STOP_STOP = BIT(0), -+ HDMI_IH_MUTE_AHBDMAAUD_STAT0_ERROR = BIT(5), -+ HDMI_IH_MUTE_AHBDMAAUD_STAT0_LOST = BIT(4), -+ HDMI_IH_MUTE_AHBDMAAUD_STAT0_RETRY = BIT(3), -+ HDMI_IH_MUTE_AHBDMAAUD_STAT0_DONE = BIT(2), -+ HDMI_IH_MUTE_AHBDMAAUD_STAT0_BUFFFULL = BIT(1), -+ HDMI_IH_MUTE_AHBDMAAUD_STAT0_BUFFEMPTY = BIT(0), -+ HDMI_IH_MUTE_AHBDMAAUD_STAT0_ALL = -+ HDMI_IH_MUTE_AHBDMAAUD_STAT0_ERROR | -+ HDMI_IH_MUTE_AHBDMAAUD_STAT0_LOST | -+ HDMI_IH_MUTE_AHBDMAAUD_STAT0_RETRY | -+ HDMI_IH_MUTE_AHBDMAAUD_STAT0_DONE | -+ HDMI_IH_MUTE_AHBDMAAUD_STAT0_BUFFFULL | -+ HDMI_IH_MUTE_AHBDMAAUD_STAT0_BUFFEMPTY, -+ HDMI_IH_AHBDMAAUD_STAT0_ERROR = BIT(5), -+ HDMI_IH_AHBDMAAUD_STAT0_LOST = BIT(4), -+ HDMI_IH_AHBDMAAUD_STAT0_RETRY = BIT(3), -+ HDMI_IH_AHBDMAAUD_STAT0_DONE = BIT(2), -+ HDMI_IH_AHBDMAAUD_STAT0_BUFFFULL = BIT(1), -+ HDMI_IH_AHBDMAAUD_STAT0_BUFFEMPTY = BIT(0), -+ HDMI_IH_AHBDMAAUD_STAT0_ALL = -+ HDMI_IH_AHBDMAAUD_STAT0_ERROR | -+ HDMI_IH_AHBDMAAUD_STAT0_LOST | -+ HDMI_IH_AHBDMAAUD_STAT0_RETRY | -+ HDMI_IH_AHBDMAAUD_STAT0_DONE | -+ HDMI_IH_AHBDMAAUD_STAT0_BUFFFULL | -+ HDMI_IH_AHBDMAAUD_STAT0_BUFFEMPTY, -+ HDMI_AHB_DMA_CONF0_INCR16 = 2 << 1, -+ HDMI_AHB_DMA_CONF0_INCR8 = 1 << 1, -+ HDMI_AHB_DMA_CONF0_INCR4 = 0, -+ HDMI_AHB_DMA_CONF0_BURST_MODE = BIT(0), -+ HDMI_AHB_DMA_MASK_DONE = BIT(7), -+ HDMI_REVISION_ID = 0x0001, -+ HDMI_IH_AHBDMAAUD_STAT0 = 0x0109, -+ HDMI_IH_MUTE_AHBDMAAUD_STAT0 = 0x0189, -+ HDMI_AUD_N1 = 0x3200, -+ HDMI_AUD_CTS1 = 0x3203, -+ HDMI_AHB_DMA_CONF0 = 0x3600, -+ HDMI_AHB_DMA_START = 0x3601, -+ HDMI_AHB_DMA_STOP = 0x3602, -+ HDMI_AHB_DMA_THRSLD = 0x3603, -+ HDMI_AHB_DMA_STRADDR0 = 0x3604, -+ HDMI_AHB_DMA_STPADDR0 = 0x3608, -+ HDMI_AHB_DMA_STAT = 0x3612, -+ HDMI_AHB_DMA_STAT_FULL = BIT(1), -+ HDMI_AHB_DMA_MASK = 0x3614, -+ HDMI_AHB_DMA_POL = 0x3615, -+ HDMI_AHB_DMA_CONF1 = 0x3616, -+ HDMI_AHB_DMA_BUFFPOL = 0x361a, -+}; -+ -+struct snd_dw_hdmi { -+ struct snd_card *card; -+ struct snd_pcm *pcm; -+ struct dw_hdmi_audio_data data; -+ struct snd_pcm_substream *substream; -+ void (*reformat)(struct snd_dw_hdmi *, size_t, size_t); -+ void *buf_src; -+ void *buf_dst; -+ dma_addr_t buf_addr; -+ unsigned buf_offset; -+ unsigned buf_period; -+ unsigned buf_size; -+ unsigned channels; -+ uint8_t revision; -+ uint8_t iec_offset; -+ uint8_t cs[192][8]; -+}; -+ -+static void dw_hdmi_writel(unsigned long val, void __iomem *ptr) -+{ -+ writeb_relaxed(val, ptr); -+ writeb_relaxed(val >> 8, ptr + 1); -+ writeb_relaxed(val >> 16, ptr + 2); -+ writeb_relaxed(val >> 24, ptr + 3); -+} -+ -+/* -+ * Convert to hardware format: The userspace buffer contains IEC958 samples, -+ * with the PCUV bits in bits 31..28 and audio samples in bits 27..4. We -+ * need these to be in bits 27..24, with the IEC B bit in bit 28, and audio -+ * samples in 23..0. -+ * -+ * Default preamble in bits 3..0: 8 = block start, 4 = even 2 = odd -+ * -+ * Ideally, we could do with having the data properly formatted in userspace. -+ */ -+static void dw_hdmi_reformat_iec958(struct snd_dw_hdmi *dw, -+ size_t offset, size_t bytes) -+{ -+ uint32_t *src = dw->buf_src + offset; -+ uint32_t *dst = dw->buf_dst + offset; -+ uint32_t *end = dw->buf_src + offset + bytes; -+ -+ do { -+ uint32_t b, sample = *src++; -+ -+ b = (sample & 8) << (28 - 3); -+ -+ sample >>= 4; -+ -+ *dst++ = sample | b; -+ } while (src < end); -+} -+ -+static uint32_t parity(uint32_t sample) -+{ -+ sample ^= sample >> 16; -+ sample ^= sample >> 8; -+ sample ^= sample >> 4; -+ sample ^= sample >> 2; -+ sample ^= sample >> 1; -+ return (sample & 1) << 27; -+} -+ -+static void dw_hdmi_reformat_s24(struct snd_dw_hdmi *dw, -+ size_t offset, size_t bytes) -+{ -+ uint32_t *src = dw->buf_src + offset; -+ uint32_t *dst = dw->buf_dst + offset; -+ uint32_t *end = dw->buf_src + offset + bytes; -+ -+ do { -+ unsigned i; -+ uint8_t *cs; -+ -+ cs = dw->cs[dw->iec_offset++]; -+ if (dw->iec_offset >= 192) -+ dw->iec_offset = 0; -+ -+ i = dw->channels; -+ do { -+ uint32_t sample = *src++; -+ -+ sample &= ~0xff000000; -+ sample |= *cs++ << 24; -+ sample |= parity(sample & ~0xf8000000); -+ -+ *dst++ = sample; -+ } while (--i); -+ } while (src < end); -+} -+ -+static void dw_hdmi_create_cs(struct snd_dw_hdmi *dw, -+ struct snd_pcm_runtime *runtime) -+{ -+ uint8_t cs[4]; -+ unsigned ch, i, j; -+ -+ cs[0] = IEC958_AES0_CON_NOT_COPYRIGHT | IEC958_AES0_CON_EMPHASIS_NONE; -+ cs[1] = IEC958_AES1_CON_GENERAL; -+ cs[2] = IEC958_AES2_CON_SOURCE_UNSPEC; -+ cs[3] = IEC958_AES3_CON_CLOCK_1000PPM; -+ -+ switch (runtime->rate) { -+ case 32000: -+ cs[3] |= IEC958_AES3_CON_FS_32000; -+ break; -+ case 44100: -+ cs[3] |= IEC958_AES3_CON_FS_44100; -+ break; -+ case 48000: -+ cs[3] |= IEC958_AES3_CON_FS_48000; -+ break; -+ case 88200: -+ cs[3] |= IEC958_AES3_CON_FS_88200; -+ break; -+ case 96000: -+ cs[3] |= IEC958_AES3_CON_FS_96000; -+ break; -+ case 176400: -+ cs[3] |= IEC958_AES3_CON_FS_176400; -+ break; -+ case 192000: -+ cs[3] |= IEC958_AES3_CON_FS_192000; -+ break; -+ } -+ -+ memset(dw->cs, 0, sizeof(dw->cs)); -+ -+ for (ch = 0; ch < 8; ch++) { -+ cs[2] &= ~IEC958_AES2_CON_CHANNEL; -+ cs[2] |= (ch + 1) << 4; -+ -+ for (i = 0; i < ARRAY_SIZE(cs); i++) { -+ unsigned c = cs[i]; -+ -+ for (j = 0; j < 8; j++, c >>= 1) -+ dw->cs[i * 8 + j][ch] = (c & 1) << 2; -+ } -+ } -+ dw->cs[0][0] |= BIT(4); -+} -+ -+static void dw_hdmi_start_dma(struct snd_dw_hdmi *dw) -+{ -+ void __iomem *base = dw->data.base; -+ unsigned offset = dw->buf_offset; -+ unsigned period = dw->buf_period; -+ u32 start, stop; -+ -+ dw->reformat(dw, offset, period); -+ -+ /* Clear all irqs before enabling irqs and starting DMA */ -+ writeb_relaxed(HDMI_IH_AHBDMAAUD_STAT0_ALL, -+ base + HDMI_IH_AHBDMAAUD_STAT0); -+ -+ start = dw->buf_addr + offset; -+ stop = start + period - 1; -+ -+ /* Setup the hardware start/stop addresses */ -+ dw_hdmi_writel(start, base + HDMI_AHB_DMA_STRADDR0); -+ dw_hdmi_writel(stop, base + HDMI_AHB_DMA_STPADDR0); -+ -+ writeb_relaxed((u8)~HDMI_AHB_DMA_MASK_DONE, base + HDMI_AHB_DMA_MASK); -+ writeb(HDMI_AHB_DMA_START_START, base + HDMI_AHB_DMA_START); -+ -+ offset += period; -+ if (offset >= dw->buf_size) -+ offset = 0; -+ dw->buf_offset = offset; -+} -+ -+static void dw_hdmi_stop_dma(struct snd_dw_hdmi *dw) -+{ -+ dw->substream = NULL; -+ -+ /* Disable interrupts before disabling DMA */ -+ writeb_relaxed(~0, dw->data.base + HDMI_AHB_DMA_MASK); -+ writeb_relaxed(HDMI_AHB_DMA_STOP_STOP, dw->data.base + HDMI_AHB_DMA_STOP); -+} -+ -+static irqreturn_t snd_dw_hdmi_irq(int irq, void *data) -+{ -+ struct snd_dw_hdmi *dw = data; -+ struct snd_pcm_substream *substream; -+ unsigned stat; -+ -+ stat = readb_relaxed(dw->data.base + HDMI_IH_AHBDMAAUD_STAT0); -+ if (!stat) -+ return IRQ_NONE; -+ -+ writeb_relaxed(stat, dw->data.base + HDMI_IH_AHBDMAAUD_STAT0); -+ -+ substream = dw->substream; -+ if (stat & HDMI_IH_AHBDMAAUD_STAT0_DONE && substream) { -+ snd_pcm_period_elapsed(substream); -+ if (dw->substream) -+ dw_hdmi_start_dma(dw); -+ } -+ -+ return IRQ_HANDLED; -+} -+ -+static struct snd_pcm_hardware dw_hdmi_hw = { -+ .info = SNDRV_PCM_INFO_INTERLEAVED | -+ SNDRV_PCM_INFO_BLOCK_TRANSFER | -+ SNDRV_PCM_INFO_MMAP | -+ SNDRV_PCM_INFO_MMAP_VALID, -+ .formats = SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_LE | -+ SNDRV_PCM_FMTBIT_S24_LE, -+ .rates = SNDRV_PCM_RATE_32000 | -+ SNDRV_PCM_RATE_44100 | -+ SNDRV_PCM_RATE_48000 | -+ SNDRV_PCM_RATE_88200 | -+ SNDRV_PCM_RATE_96000 | -+ SNDRV_PCM_RATE_176400 | -+ SNDRV_PCM_RATE_192000, -+ .channels_min = 2, -+ .channels_max = 8, -+ .buffer_bytes_max = 64 * 1024, -+ .period_bytes_min = 256, -+ .period_bytes_max = 8192, /* ERR004323: must limit to 8k */ -+ .periods_min = 2, -+ .periods_max = 16, -+ .fifo_size = 0, -+}; -+ -+static unsigned rates_mask[] = { -+ SNDRV_PCM_RATE_32000, -+ SNDRV_PCM_RATE_44100, -+ SNDRV_PCM_RATE_48000, -+ SNDRV_PCM_RATE_88200, -+ SNDRV_PCM_RATE_96000, -+ SNDRV_PCM_RATE_176400, -+ SNDRV_PCM_RATE_192000, -+}; -+ -+static void dw_hdmi_parse_eld(struct snd_dw_hdmi *dw, -+ struct snd_pcm_runtime *runtime) -+{ -+ u8 *sad, *eld = dw->data.eld; -+ unsigned eld_ver, mnl, sad_count, rates, rate_mask, i; -+ unsigned max_channels; -+ -+ eld_ver = eld[0] >> 3; -+ if (eld_ver != 2 && eld_ver != 31) -+ return; -+ -+ mnl = eld[4] & 0x1f; -+ if (mnl > 16) -+ return; -+ -+ sad_count = eld[5] >> 4; -+ sad = eld + 20 + mnl; -+ -+ /* Start from the basic audio settings */ -+ max_channels = 2; -+ rates = 7; -+ while (sad_count > 0) { -+ switch (sad[0] & 0x78) { -+ case 0x08: /* PCM */ -+ max_channels = max(max_channels, (sad[0] & 7) + 1u); -+ rates |= sad[1]; -+ break; -+ } -+ sad += 3; -+ sad_count -= 1; -+ } -+ -+ for (rate_mask = i = 0; i < ARRAY_SIZE(rates_mask); i++) -+ if (rates & 1 << i) -+ rate_mask |= rates_mask[i]; -+ -+ runtime->hw.rates &= rate_mask; -+ runtime->hw.channels_max = min(runtime->hw.channels_max, max_channels); -+} -+ -+static int dw_hdmi_open(struct snd_pcm_substream *substream) -+{ -+ struct snd_pcm_runtime *runtime = substream->runtime; -+ struct snd_dw_hdmi *dw = substream->private_data; -+ void __iomem *base = dw->data.base; -+ int ret; -+ -+ /* Clear FIFO */ -+ writeb_relaxed(HDMI_AHB_DMA_CONF0_SW_FIFO_RST, -+ base + HDMI_AHB_DMA_CONF0); -+ -+ /* Configure interrupt polarities */ -+ writeb_relaxed(~0, base + HDMI_AHB_DMA_POL); -+ writeb_relaxed(~0, base + HDMI_AHB_DMA_BUFFPOL); -+ -+ /* Keep interrupts masked, and clear any pending */ -+ writeb_relaxed(~0, base + HDMI_AHB_DMA_MASK); -+ writeb_relaxed(~0, base + HDMI_IH_AHBDMAAUD_STAT0); -+ -+ ret = request_irq(dw->data.irq, snd_dw_hdmi_irq, IRQF_SHARED, -+ "dw-hdmi-audio", dw); -+ if (ret) -+ return ret; -+ -+ /* Un-mute done interrupt */ -+ writeb_relaxed(HDMI_IH_MUTE_AHBDMAAUD_STAT0_ALL & -+ ~HDMI_IH_MUTE_AHBDMAAUD_STAT0_DONE, -+ base + HDMI_IH_MUTE_AHBDMAAUD_STAT0); -+ -+ runtime->hw = dw_hdmi_hw; -+ dw_hdmi_parse_eld(dw, runtime); -+ snd_pcm_limit_hw_rates(runtime); -+ -+ return 0; -+} -+ -+static int dw_hdmi_close(struct snd_pcm_substream *substream) -+{ -+ struct snd_dw_hdmi *dw = substream->private_data; -+ -+ /* Mute all interrupts */ -+ writeb_relaxed(HDMI_IH_MUTE_AHBDMAAUD_STAT0_ALL, -+ dw->data.base + HDMI_IH_MUTE_AHBDMAAUD_STAT0); -+ -+ free_irq(dw->data.irq, dw); -+ -+ return 0; -+} -+ -+static int dw_hdmi_hw_free(struct snd_pcm_substream *substream) -+{ -+ return snd_pcm_lib_free_vmalloc_buffer(substream); -+} -+ -+static int dw_hdmi_hw_params(struct snd_pcm_substream *substream, -+ struct snd_pcm_hw_params *params) -+{ -+ return snd_pcm_lib_alloc_vmalloc_buffer(substream, -+ params_buffer_bytes(params)); -+} -+ -+static int dw_hdmi_prepare(struct snd_pcm_substream *substream) -+{ -+ struct snd_pcm_runtime *runtime = substream->runtime; -+ struct snd_dw_hdmi *dw = substream->private_data; -+ uint8_t threshold, conf0, conf1; -+ -+ /* Setup as per 3.0.5 FSL 4.1.0 BSP */ -+ switch (dw->revision) { -+ case 0x0a: -+ conf0 = HDMI_AHB_DMA_CONF0_BURST_MODE | -+ HDMI_AHB_DMA_CONF0_INCR4; -+ if (runtime->channels == 2) -+ threshold = 126; -+ else -+ threshold = 124; -+ break; -+ case 0x1a: -+ conf0 = HDMI_AHB_DMA_CONF0_BURST_MODE | -+ HDMI_AHB_DMA_CONF0_INCR8; -+ threshold = 128; -+ break; -+ default: -+ /* NOTREACHED */ -+ return -EINVAL; -+ } -+ -+ dw->data.set_sample_rate(dw->data.hdmi, runtime->rate); -+ -+ /* Minimum number of bytes in the fifo. */ -+ runtime->hw.fifo_size = threshold * 32; -+ -+ conf0 |= HDMI_AHB_DMA_CONF0_EN_HLOCK; -+ conf1 = (1 << runtime->channels) - 1; -+ -+ writeb_relaxed(threshold, dw->data.base + HDMI_AHB_DMA_THRSLD); -+ writeb_relaxed(conf0, dw->data.base + HDMI_AHB_DMA_CONF0); -+ writeb_relaxed(conf1, dw->data.base + HDMI_AHB_DMA_CONF1); -+ -+ switch (runtime->format) { -+ case SNDRV_PCM_FORMAT_IEC958_SUBFRAME_LE: -+ dw->reformat = dw_hdmi_reformat_iec958; -+ break; -+ case SNDRV_PCM_FORMAT_S24_LE: -+ dw_hdmi_create_cs(dw, runtime); -+ dw->reformat = dw_hdmi_reformat_s24; -+ break; -+ } -+ dw->iec_offset = 0; -+ dw->channels = runtime->channels; -+ dw->buf_src = runtime->dma_area; -+ dw->buf_dst = substream->dma_buffer.area; -+ dw->buf_addr = substream->dma_buffer.addr; -+ dw->buf_period = snd_pcm_lib_period_bytes(substream); -+ dw->buf_size = snd_pcm_lib_buffer_bytes(substream); -+ -+ return 0; -+} -+ -+static int dw_hdmi_trigger(struct snd_pcm_substream *substream, int cmd) -+{ -+ struct snd_dw_hdmi *dw = substream->private_data; -+ void __iomem *base = dw->data.base; -+ unsigned n[3], cts[3]; -+ int ret = 0, i; -+ bool err005174; -+ -+ switch (cmd) { -+ case SNDRV_PCM_TRIGGER_START: -+ err005174 = dw->revision == 0x0a; -+ if (err005174) { -+ for (i = 2; i >= 1; i--) { -+ n[i] = readb_relaxed(base + HDMI_AUD_N1 + i); -+ cts[i] = readb_relaxed(base + HDMI_AUD_CTS1 + i); -+ writeb_relaxed(0, base + HDMI_AUD_N1 + i); -+ writeb_relaxed(0, base + HDMI_AUD_CTS1 + i); -+ } -+ } -+ -+ dw->buf_offset = 0; -+ dw->substream = substream; -+ dw_hdmi_start_dma(dw); -+ -+ if (err005174) { -+ for (i = 2; i >= 1; i--) -+ writeb_relaxed(cts[i], base + HDMI_AUD_CTS1 + i); -+ for (i = 2; i >= 1; i--) -+ writeb_relaxed(n[i], base + HDMI_AUD_N1 + i); -+ } -+ -+ substream->runtime->delay = substream->runtime->period_size; -+ break; -+ -+ case SNDRV_PCM_TRIGGER_STOP: -+ dw_hdmi_stop_dma(dw); -+ break; -+ -+ default: -+ ret = -EINVAL; -+ break; -+ } -+ -+ return ret; -+} -+ -+static snd_pcm_uframes_t dw_hdmi_pointer(struct snd_pcm_substream *substream) -+{ -+ struct snd_pcm_runtime *runtime = substream->runtime; -+ struct snd_dw_hdmi *dw = substream->private_data; -+ -+ return bytes_to_frames(runtime, dw->buf_offset); -+} -+ -+static struct snd_pcm_ops snd_dw_hdmi_ops = { -+ .open = dw_hdmi_open, -+ .close = dw_hdmi_close, -+ .ioctl = snd_pcm_lib_ioctl, -+ .hw_params = dw_hdmi_hw_params, -+ .hw_free = dw_hdmi_hw_free, -+ .prepare = dw_hdmi_prepare, -+ .trigger = dw_hdmi_trigger, -+ .pointer = dw_hdmi_pointer, -+ .page = snd_pcm_lib_get_vmalloc_page, -+}; -+ -+static int snd_dw_hdmi_probe(struct platform_device *pdev) -+{ -+ const struct dw_hdmi_audio_data *data = pdev->dev.platform_data; -+ struct device *dev = pdev->dev.parent; -+ struct snd_dw_hdmi *dw; -+ struct snd_card *card; -+ struct snd_pcm *pcm; -+ unsigned revision; -+ int ret; -+ -+ writeb_relaxed(HDMI_IH_MUTE_AHBDMAAUD_STAT0_ALL, -+ data->base + HDMI_IH_MUTE_AHBDMAAUD_STAT0); -+ revision = readb_relaxed(data->base + HDMI_REVISION_ID); -+ if (revision != 0x0a && revision != 0x1a) { -+ dev_err(dev, "dw-hdmi-audio: unknown revision 0x%02x\n", -+ revision); -+ return -ENXIO; -+ } -+ -+ ret = snd_card_create(SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1, -+ THIS_MODULE, sizeof(struct snd_dw_hdmi), &card); -+ if (ret < 0) -+ return ret; -+ -+ snd_card_set_dev(card, dev); -+ -+ strlcpy(card->driver, DRIVER_NAME, sizeof(card->driver)); -+ strlcpy(card->shortname, "DW-HDMI", sizeof(card->shortname)); -+ snprintf(card->longname, sizeof(card->longname), -+ "%s rev 0x%02x, irq %d", card->shortname, revision, -+ data->irq); -+ -+ dw = card->private_data; -+ dw->card = card; -+ dw->data = *data; -+ dw->revision = revision; -+ -+ ret = snd_pcm_new(card, "DW HDMI", 0, 1, 0, &pcm); -+ if (ret < 0) -+ goto err; -+ -+ dw->pcm = pcm; -+ pcm->private_data = dw; -+ strlcpy(pcm->name, DRIVER_NAME, sizeof(pcm->name)); -+ snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_dw_hdmi_ops); -+ -+ snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, -+ dev, 64 * 1024, 64 * 1024); -+ -+ ret = snd_card_register(card); -+ if (ret < 0) -+ goto err; -+ -+ platform_set_drvdata(pdev, dw); -+ -+ return 0; -+ -+err: -+ snd_card_free(card); -+ return ret; -+} -+ -+static int snd_dw_hdmi_remove(struct platform_device *pdev) -+{ -+ struct snd_dw_hdmi *dw = platform_get_drvdata(pdev); -+ -+ snd_card_free(dw->card); -+ -+ return 0; -+} -+ -+#ifdef CONFIG_PM_SLEEP -+static int snd_dw_hdmi_suspend(struct device *dev) -+{ -+ struct snd_dw_hdmi *dw = dev_get_drvdata(dev); -+ -+ snd_power_change_state(dw->card, SNDRV_CTL_POWER_D3cold); -+ snd_pcm_suspend_all(dw->pcm); -+ -+ return 0; -+} -+ -+static int snd_dw_hdmi_resume(struct device *dev) -+{ -+ struct snd_dw_hdmi *dw = dev_get_drvdata(dev); -+ -+ snd_power_change_state(dw->card, SNDRV_CTL_POWER_D0); -+ -+ return 0; -+} -+ -+static SIMPLE_DEV_PM_OPS(snd_dw_hdmi_pm, snd_dw_hdmi_suspend, -+ snd_dw_hdmi_resume); -+#define PM_OPS &snd_dw_hdmi_pm -+#else -+#define PM_OPS NULL -+#endif -+ -+static struct platform_driver snd_dw_hdmi_driver = { -+ .probe = snd_dw_hdmi_probe, -+ .remove = snd_dw_hdmi_remove, -+ .driver = { -+ .name = "dw-hdmi-audio", -+ .owner = THIS_MODULE, -+ .pm = PM_OPS, -+ }, -+}; -+ -+module_platform_driver(snd_dw_hdmi_driver); -+ -+MODULE_AUTHOR("Russell King "); -+MODULE_LICENSE("GPL"); -diff -Nur linux-3.15-rc6.orig/drivers/staging/imx-drm/dw-hdmi-audio.h linux-3.15-rc6/drivers/staging/imx-drm/dw-hdmi-audio.h ---- linux-3.15-rc6.orig/drivers/staging/imx-drm/dw-hdmi-audio.h 1970-01-01 01:00:00.000000000 +0100 -+++ linux-3.15-rc6/drivers/staging/imx-drm/dw-hdmi-audio.h 2014-05-23 11:26:48.316940071 +0200 -@@ -0,0 +1,15 @@ -+#ifndef DW_HDMI_AUDIO_H -+#define DW_HDMI_AUDIO_H -+ -+struct imx_hdmi; -+ -+struct dw_hdmi_audio_data { -+ phys_addr_t phys; -+ void __iomem *base; -+ int irq; -+ struct imx_hdmi *hdmi; -+ u8 *eld; -+ void (*set_sample_rate)(struct imx_hdmi *, unsigned); -+}; -+ -+#endif -diff -Nur linux-3.15-rc6.orig/drivers/staging/imx-drm/dw-hdmi-cec.c linux-3.15-rc6/drivers/staging/imx-drm/dw-hdmi-cec.c ---- linux-3.15-rc6.orig/drivers/staging/imx-drm/dw-hdmi-cec.c 1970-01-01 01:00:00.000000000 +0100 -+++ linux-3.15-rc6/drivers/staging/imx-drm/dw-hdmi-cec.c 2014-05-23 11:26:48.316940071 +0200 -@@ -0,0 +1,205 @@ -+/* http://git.freescale.com/git/cgit.cgi/imx/linux-2.6-imx.git/tree/drivers/mxc/hdmi-cec/mxc_hdmi-cec.c?h=imx_3.0.35_4.1.0 */ -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+ -+#include "imx-hdmi.h" -+#include "dw-hdmi-cec.h" -+ -+#define DEV_NAME "mxc_hdmi_cec" -+ -+enum { -+ CEC_STAT_DONE = BIT(0), -+ CEC_STAT_EOM = BIT(1), -+ CEC_STAT_NACK = BIT(2), -+ CEC_STAT_ARBLOST = BIT(3), -+ CEC_STAT_ERROR_INIT = BIT(4), -+ CEC_STAT_ERROR_FOLL = BIT(5), -+ CEC_STAT_WAKEUP = BIT(6), -+ -+ CEC_CTRL_START = BIT(0), -+ CEC_CTRL_NORMAL = 1 << 1, -+}; -+ -+struct dw_hdmi_cec { -+ struct cec_dev cec; -+ -+ struct device *dev; -+ void __iomem *base; -+ const struct dw_hdmi_cec_ops *ops; -+ void *ops_data; -+ int irq; -+}; -+ -+static void dw_hdmi_set_address(struct cec_dev *cec_dev, unsigned addresses) -+{ -+ struct dw_hdmi_cec *cec = container_of(cec_dev, struct dw_hdmi_cec, cec); -+ -+ writeb(addresses & 255, cec->base + HDMI_CEC_ADDR_L); -+ writeb(addresses >> 8, cec->base + HDMI_CEC_ADDR_H); -+} -+ -+static void dw_hdmi_send_message(struct cec_dev *cec_dev, u8 *msg, -+ size_t count) -+{ -+ struct dw_hdmi_cec *cec = container_of(cec_dev, struct dw_hdmi_cec, cec); -+ unsigned i; -+ -+ for (i = 0; i < count; i++) -+ writeb(msg[i], cec->base + HDMI_CEC_TX_DATA0 + i); -+ -+ writeb(count, cec->base + HDMI_CEC_TX_CNT); -+ writeb(CEC_CTRL_NORMAL | CEC_CTRL_START, cec->base + HDMI_CEC_CTRL); -+} -+ -+static irqreturn_t dw_hdmi_cec_irq(int irq, void *data) -+{ -+ struct dw_hdmi_cec *cec = data; -+ struct cec_dev *cec_dev = &cec->cec; -+ unsigned stat = readb(cec->base + HDMI_IH_CEC_STAT0); -+ -+ if (stat == 0) -+ return IRQ_NONE; -+ -+ writeb(stat, cec->base + HDMI_IH_CEC_STAT0); -+ -+ if (stat & CEC_STAT_ERROR_INIT) { -+ if (cec->cec.retries) { -+ unsigned v = readb(cec->base + HDMI_CEC_CTRL); -+ writeb(v | CEC_CTRL_START, cec->base + HDMI_CEC_CTRL); -+ cec->cec.retries -= 1; -+ } else { -+ cec->cec.write_busy = 0; -+ cec_dev_event(cec_dev, MESSAGE_TYPE_SEND_ERROR, NULL, 0); -+ } -+ } else if (stat & (CEC_STAT_DONE | CEC_STAT_NACK)) -+ cec_dev_send_complete(cec_dev, stat & CEC_STAT_DONE); -+ -+ if (stat & CEC_STAT_EOM) { -+ unsigned len, i; -+ u8 msg[MAX_MESSAGE_LEN]; -+ -+ len = readb(cec->base + HDMI_CEC_RX_CNT); -+ if (len > sizeof(msg)) -+ len = sizeof(msg); -+ -+ for (i = 0; i < len; i++) -+ msg[i] = readb(cec->base + HDMI_CEC_RX_DATA0 + i); -+ -+ writeb(0, cec->base + HDMI_CEC_LOCK); -+ -+ cec_dev_receive(cec_dev, msg, len); -+ } -+ -+ return IRQ_HANDLED; -+} -+EXPORT_SYMBOL(dw_hdmi_cec_irq); -+ -+static void dw_hdmi_cec_release(struct cec_dev *cec_dev) -+{ -+ struct dw_hdmi_cec *cec = container_of(cec_dev, struct dw_hdmi_cec, cec); -+ -+ writeb(~0, cec->base + HDMI_CEC_MASK); -+ writeb(~0, cec->base + HDMI_IH_MUTE_CEC_STAT0); -+ writeb(0, cec->base + HDMI_CEC_POLARITY); -+ -+ free_irq(cec->irq, cec); -+ -+ cec->ops->disable(cec->ops_data); -+} -+ -+static int dw_hdmi_cec_open(struct cec_dev *cec_dev) -+{ -+ struct dw_hdmi_cec *cec = container_of(cec_dev, struct dw_hdmi_cec, cec); -+ unsigned irqs; -+ int ret; -+ -+ writeb(0, cec->base + HDMI_CEC_CTRL); -+ writeb(~0, cec->base + HDMI_IH_CEC_STAT0); -+ writeb(0, cec->base + HDMI_CEC_LOCK); -+ -+ ret = request_irq(cec->irq, dw_hdmi_cec_irq, IRQF_SHARED, -+ DEV_NAME, cec); -+ if (ret < 0) -+ return ret; -+ -+ dw_hdmi_set_address(cec_dev, cec_dev->addresses); -+ -+ cec->ops->enable(cec->ops_data); -+ -+ irqs = CEC_STAT_ERROR_INIT | CEC_STAT_NACK | CEC_STAT_EOM | -+ CEC_STAT_DONE; -+ writeb(irqs, cec->base + HDMI_CEC_POLARITY); -+ writeb(~irqs, cec->base + HDMI_CEC_MASK); -+ writeb(~irqs, cec->base + HDMI_IH_MUTE_CEC_STAT0); -+ -+ return 0; -+} -+ -+static int dw_hdmi_cec_probe(struct platform_device *pdev) -+{ -+ struct dw_hdmi_cec_data *data = dev_get_platdata(&pdev->dev); -+ struct dw_hdmi_cec *cec; -+ -+ if (!data) -+ return -ENXIO; -+ -+ cec = devm_kzalloc(&pdev->dev, sizeof(*cec), GFP_KERNEL); -+ if (!cec) -+ return -ENOMEM; -+ -+ cec->dev = &pdev->dev; -+ cec->base = data->base; -+ cec->irq = data->irq; -+ cec->ops = data->ops; -+ cec->ops_data = data->ops_data; -+ cec->cec.open = dw_hdmi_cec_open; -+ cec->cec.release = dw_hdmi_cec_release; -+ cec->cec.send_message = dw_hdmi_send_message; -+ cec->cec.set_address = dw_hdmi_set_address; -+ -+ cec_dev_init(&cec->cec, THIS_MODULE); -+ -+ /* FIXME: soft-reset the CEC interface */ -+ -+ dw_hdmi_set_address(&cec->cec, cec->cec.addresses); -+ writeb(0, cec->base + HDMI_CEC_TX_CNT); -+ writeb(~0, cec->base + HDMI_CEC_MASK); -+ writeb(~0, cec->base + HDMI_IH_MUTE_CEC_STAT0); -+ writeb(0, cec->base + HDMI_CEC_POLARITY); -+ -+ /* -+ * Our device is just a convenience - we want to link to the real -+ * hardware device here, so that userspace can see the association -+ * between the HDMI hardware and its associated CEC chardev. -+ */ -+ return cec_dev_add(&cec->cec, cec->dev->parent, DEV_NAME); -+} -+ -+static int dw_hdmi_cec_remove(struct platform_device *pdev) -+{ -+ struct dw_hdmi_cec *cec = platform_get_drvdata(pdev); -+ -+ cec_dev_remove(&cec->cec); -+ -+ return 0; -+} -+ -+static struct platform_driver dw_hdmi_cec_driver = { -+ .probe = dw_hdmi_cec_probe, -+ .remove = dw_hdmi_cec_remove, -+ .driver = { -+ .name = "dw-hdmi-cec", -+ .owner = THIS_MODULE, -+ }, -+}; -+module_platform_driver(dw_hdmi_cec_driver); -+ -+MODULE_AUTHOR("Russell King "); -+MODULE_DESCRIPTION("Synopsis Designware HDMI CEC driver for i.MX"); -+MODULE_LICENSE("GPL"); -+MODULE_ALIAS(PLATFORM_MODULE_PREFIX "dw-hdmi-cec"); -diff -Nur linux-3.15-rc6.orig/drivers/staging/imx-drm/dw-hdmi-cec.h linux-3.15-rc6/drivers/staging/imx-drm/dw-hdmi-cec.h ---- linux-3.15-rc6.orig/drivers/staging/imx-drm/dw-hdmi-cec.h 1970-01-01 01:00:00.000000000 +0100 -+++ linux-3.15-rc6/drivers/staging/imx-drm/dw-hdmi-cec.h 2014-05-23 11:26:48.316940071 +0200 -@@ -0,0 +1,16 @@ -+#ifndef DW_HDMI_CEC_H -+#define DW_HDMI_CEC_H -+ -+struct dw_hdmi_cec_ops { -+ void (*enable)(void *); -+ void (*disable)(void *); -+}; -+ -+struct dw_hdmi_cec_data { -+ void __iomem *base; -+ int irq; -+ const struct dw_hdmi_cec_ops *ops; -+ void *ops_data; -+}; -+ -+#endif -diff -Nur linux-3.15-rc6.orig/drivers/staging/imx-drm/imx-hdmi.c linux-3.15-rc6/drivers/staging/imx-drm/imx-hdmi.c ---- linux-3.15-rc6.orig/drivers/staging/imx-drm/imx-hdmi.c 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/drivers/staging/imx-drm/imx-hdmi.c 2014-05-23 11:26:48.316940071 +0200 -@@ -28,6 +28,9 @@ - #include - #include - -+#include "drm-ddc-connector.h" -+#include "dw-hdmi-audio.h" -+#include "dw-hdmi-cec.h" - #include "ipu-v3/imx-ipu-v3.h" - #include "imx-hdmi.h" - #include "imx-drm.h" -@@ -112,27 +115,27 @@ - }; - - struct imx_hdmi { -- struct drm_connector connector; -+ struct drm_ddc_connector *ddc_conn; - struct drm_encoder encoder; - -+ struct platform_device *audio; -+ struct platform_device *cec; - enum imx_hdmi_devtype dev_type; - struct device *dev; - struct clk *isfr_clk; - struct clk *iahb_clk; - -- enum drm_connector_status connector_status; -- - struct hdmi_data_info hdmi_data; - int vic; - - u8 edid[HDMI_EDID_LEN]; -+ u8 mc_clkdis; - bool cable_plugin; - - bool phy_enabled; - struct drm_display_mode previous_mode; - - struct regmap *regmap; -- struct i2c_adapter *ddc; - void __iomem *regs; - - unsigned int sample_rate; -@@ -362,6 +365,12 @@ - hdmi_set_clk_regenerator(hdmi, hdmi->hdmi_data.video_mode.mpixelclock); - } - -+static void imx_hdmi_set_sample_rate(struct imx_hdmi *hdmi, unsigned rate) -+{ -+ hdmi->sample_rate = rate; -+ hdmi_set_clk_regenerator(hdmi, hdmi->hdmi_data.video_mode.mpixelclock); -+} -+ - /* - * this submodule is responsible for the video data synchronization. - * for example, for RGB 4:4:4 input, the data map is defined as -@@ -1148,8 +1157,6 @@ - /* HDMI Initialization Step B.4 */ - static void imx_hdmi_enable_video_path(struct imx_hdmi *hdmi) - { -- u8 clkdis; -- - /* control period minimum duration */ - hdmi_writeb(hdmi, 12, HDMI_FC_CTRLDUR); - hdmi_writeb(hdmi, 32, HDMI_FC_EXCTRLDUR); -@@ -1161,23 +1168,28 @@ - hdmi_writeb(hdmi, 0x21, HDMI_FC_CH2PREAM); - - /* Enable pixel clock and tmds data path */ -- clkdis = 0x7F; -- clkdis &= ~HDMI_MC_CLKDIS_PIXELCLK_DISABLE; -- hdmi_writeb(hdmi, clkdis, HDMI_MC_CLKDIS); -+ hdmi->mc_clkdis |= HDMI_MC_CLKDIS_HDCPCLK_DISABLE | -+ HDMI_MC_CLKDIS_CSCCLK_DISABLE | -+ HDMI_MC_CLKDIS_AUDCLK_DISABLE | -+ HDMI_MC_CLKDIS_PREPCLK_DISABLE | -+ HDMI_MC_CLKDIS_TMDSCLK_DISABLE; -+ hdmi->mc_clkdis &= ~HDMI_MC_CLKDIS_PIXELCLK_DISABLE; -+ hdmi_writeb(hdmi, hdmi->mc_clkdis, HDMI_MC_CLKDIS); - -- clkdis &= ~HDMI_MC_CLKDIS_TMDSCLK_DISABLE; -- hdmi_writeb(hdmi, clkdis, HDMI_MC_CLKDIS); -+ hdmi->mc_clkdis &= ~HDMI_MC_CLKDIS_TMDSCLK_DISABLE; -+ hdmi_writeb(hdmi, hdmi->mc_clkdis, HDMI_MC_CLKDIS); - - /* Enable csc path */ - if (is_color_space_conversion(hdmi)) { -- clkdis &= ~HDMI_MC_CLKDIS_CSCCLK_DISABLE; -- hdmi_writeb(hdmi, clkdis, HDMI_MC_CLKDIS); -+ hdmi->mc_clkdis &= ~HDMI_MC_CLKDIS_CSCCLK_DISABLE; -+ hdmi_writeb(hdmi, hdmi->mc_clkdis, HDMI_MC_CLKDIS); - } - } - - static void hdmi_enable_audio_clk(struct imx_hdmi *hdmi) - { -- hdmi_modb(hdmi, 0, HDMI_MC_CLKDIS_AUDCLK_DISABLE, HDMI_MC_CLKDIS); -+ hdmi->mc_clkdis &= ~HDMI_MC_CLKDIS_AUDCLK_DISABLE; -+ hdmi_writeb(hdmi, hdmi->mc_clkdis, HDMI_MC_CLKDIS); - } - - /* Workaround to clear the overflow condition */ -@@ -1380,41 +1392,16 @@ - static enum drm_connector_status imx_hdmi_connector_detect(struct drm_connector - *connector, bool force) - { -- struct imx_hdmi *hdmi = container_of(connector, struct imx_hdmi, -- connector); -- return hdmi->connector_status; --} -- --static int imx_hdmi_connector_get_modes(struct drm_connector *connector) --{ -- struct imx_hdmi *hdmi = container_of(connector, struct imx_hdmi, -- connector); -- struct edid *edid; -- int ret; -+ struct imx_hdmi *hdmi = drm_ddc_private(connector); - -- if (!hdmi->ddc) -- return 0; -- -- edid = drm_get_edid(connector, hdmi->ddc); -- if (edid) { -- dev_dbg(hdmi->dev, "got edid: width[%d] x height[%d]\n", -- edid->width_cm, edid->height_cm); -- -- drm_mode_connector_update_edid_property(connector, edid); -- ret = drm_add_edid_modes(connector, edid); -- kfree(edid); -- } else { -- dev_dbg(hdmi->dev, "failed to get edid\n"); -- } -- -- return 0; -+ return hdmi_readb(hdmi, HDMI_PHY_STAT0) & HDMI_PHY_HPD ? -+ connector_status_connected : connector_status_disconnected; - } - - static struct drm_encoder *imx_hdmi_connector_best_encoder(struct drm_connector - *connector) - { -- struct imx_hdmi *hdmi = container_of(connector, struct imx_hdmi, -- connector); -+ struct imx_hdmi *hdmi = drm_ddc_private(connector); - - return &hdmi->encoder; - } -@@ -1483,15 +1470,8 @@ - .disable = imx_hdmi_encoder_disable, - }; - --static struct drm_connector_funcs imx_hdmi_connector_funcs = { -- .dpms = drm_helper_connector_dpms, -- .fill_modes = drm_helper_probe_single_connector_modes, -- .detect = imx_hdmi_connector_detect, -- .destroy = imx_drm_connector_destroy, --}; -- - static struct drm_connector_helper_funcs imx_hdmi_connector_helper_funcs = { -- .get_modes = imx_hdmi_connector_get_modes, -+ .get_modes = drm_ddc_connector_get_modes, - .mode_valid = imx_drm_connector_mode_valid, - .best_encoder = imx_hdmi_connector_best_encoder, - }; -@@ -1524,7 +1504,6 @@ - - hdmi_modb(hdmi, 0, HDMI_PHY_HPD, HDMI_PHY_POL0); - -- hdmi->connector_status = connector_status_connected; - imx_hdmi_poweron(hdmi); - } else { - dev_dbg(hdmi->dev, "EVENT=plugout\n"); -@@ -1532,10 +1511,9 @@ - hdmi_modb(hdmi, HDMI_PHY_HPD, HDMI_PHY_HPD, - HDMI_PHY_POL0); - -- hdmi->connector_status = connector_status_disconnected; - imx_hdmi_poweroff(hdmi); - } -- drm_helper_hpd_irq_event(hdmi->connector.dev); -+ drm_helper_hpd_irq_event(hdmi->ddc_conn->connector.dev); - } - - hdmi_writeb(hdmi, intr_stat, HDMI_IH_PHY_STAT0); -@@ -1553,24 +1531,42 @@ - if (ret) - return ret; - -- hdmi->connector.polled = DRM_CONNECTOR_POLL_HPD; -+ hdmi->ddc_conn->connector.polled = DRM_CONNECTOR_POLL_HPD; - - drm_encoder_helper_add(&hdmi->encoder, &imx_hdmi_encoder_helper_funcs); - drm_encoder_init(drm, &hdmi->encoder, &imx_hdmi_encoder_funcs, - DRM_MODE_ENCODER_TMDS); - -- drm_connector_helper_add(&hdmi->connector, -+ drm_connector_helper_add(&hdmi->ddc_conn->connector, - &imx_hdmi_connector_helper_funcs); -- drm_connector_init(drm, &hdmi->connector, &imx_hdmi_connector_funcs, -- DRM_MODE_CONNECTOR_HDMIA); -- -- hdmi->connector.encoder = &hdmi->encoder; -+ drm_ddc_connector_add(drm, hdmi->ddc_conn, DRM_MODE_CONNECTOR_HDMIA); - -- drm_mode_connector_attach_encoder(&hdmi->connector, &hdmi->encoder); -+ drm_mode_connector_attach_encoder(&hdmi->ddc_conn->connector, &hdmi->encoder); - - return 0; - } - -+static void imx_hdmi_cec_enable(void *data) -+{ -+ struct imx_hdmi *hdmi = data; -+ -+ hdmi->mc_clkdis &= ~HDMI_MC_CLKDIS_CECCLK_DISABLE; -+ hdmi_writeb(hdmi, hdmi->mc_clkdis, HDMI_MC_CLKDIS); -+} -+ -+static void imx_hdmi_cec_disable(void *data) -+{ -+ struct imx_hdmi *hdmi = data; -+ -+ hdmi->mc_clkdis |= HDMI_MC_CLKDIS_CECCLK_DISABLE; -+ hdmi_writeb(hdmi, hdmi->mc_clkdis, HDMI_MC_CLKDIS); -+} -+ -+static const struct dw_hdmi_cec_ops imx_hdmi_cec_ops = { -+ .enable = imx_hdmi_cec_enable, -+ .disable = imx_hdmi_cec_disable, -+}; -+ - static struct platform_device_id imx_hdmi_devtype[] = { - { - .name = "imx6q-hdmi", -@@ -1592,11 +1588,13 @@ - static int imx_hdmi_bind(struct device *dev, struct device *master, void *data) - { - struct platform_device *pdev = to_platform_device(dev); -+ struct platform_device_info pdevinfo; - const struct of_device_id *of_id = - of_match_device(imx_hdmi_dt_ids, dev); - struct drm_device *drm = data; - struct device_node *np = dev->of_node; -- struct device_node *ddc_node; -+ struct dw_hdmi_audio_data audio; -+ struct dw_hdmi_cec_data cec; - struct imx_hdmi *hdmi; - struct resource *iores; - int ret, irq; -@@ -1605,27 +1603,22 @@ - if (!hdmi) - return -ENOMEM; - -+ hdmi->ddc_conn = drm_ddc_connector_create(drm, np, hdmi); -+ if (IS_ERR(hdmi->ddc_conn)) -+ return PTR_ERR(hdmi->ddc_conn); -+ -+ hdmi->ddc_conn->detect = imx_hdmi_connector_detect; -+ - hdmi->dev = dev; -- hdmi->connector_status = connector_status_disconnected; - hdmi->sample_rate = 48000; - hdmi->ratio = 100; -+ hdmi->mc_clkdis = 0x7f; - - if (of_id) { - const struct platform_device_id *device_id = of_id->data; - hdmi->dev_type = device_id->driver_data; - } - -- ddc_node = of_parse_phandle(np, "ddc-i2c-bus", 0); -- if (ddc_node) { -- hdmi->ddc = of_find_i2c_adapter_by_node(ddc_node); -- if (!hdmi->ddc) -- dev_dbg(hdmi->dev, "failed to read ddc node\n"); -- -- of_node_put(ddc_node); -- } else { -- dev_dbg(hdmi->dev, "no ddc property found\n"); -- } -- - irq = platform_get_irq(pdev, 0); - if (irq < 0) - return -EINVAL; -@@ -1711,6 +1704,35 @@ - /* Unmute interrupts */ - hdmi_writeb(hdmi, ~HDMI_IH_PHY_STAT0_HPD, HDMI_IH_MUTE_PHY_STAT0); - -+ memset(&pdevinfo, 0, sizeof(pdevinfo)); -+ pdevinfo.parent = dev; -+ pdevinfo.id = PLATFORM_DEVID_AUTO; -+ -+ audio.phys = iores->start; -+ audio.base = hdmi->regs; -+ audio.irq = irq; -+ audio.hdmi = hdmi; -+ audio.eld = hdmi->ddc_conn->connector.eld; -+ audio.set_sample_rate = imx_hdmi_set_sample_rate; -+ -+ pdevinfo.name = "dw-hdmi-audio"; -+ pdevinfo.data = &audio; -+ pdevinfo.size_data = sizeof(audio); -+ pdevinfo.dma_mask = DMA_BIT_MASK(32); -+ hdmi->audio = platform_device_register_full(&pdevinfo); -+ -+ cec.base = hdmi->regs; -+ cec.irq = irq; -+ cec.ops = &imx_hdmi_cec_ops; -+ cec.ops_data = hdmi; -+ -+ pdevinfo.name = "dw-hdmi-cec"; -+ pdevinfo.data = &cec; -+ pdevinfo.size_data = sizeof(cec); -+ pdevinfo.dma_mask = 0; -+ -+ hdmi->cec = platform_device_register_full(&pdevinfo); -+ - dev_set_drvdata(dev, hdmi); - - return 0; -@@ -1728,15 +1750,19 @@ - { - struct imx_hdmi *hdmi = dev_get_drvdata(dev); - -+ if (!IS_ERR(hdmi->audio)) -+ platform_device_unregister(hdmi->audio); -+ if (!IS_ERR(hdmi->cec)) -+ platform_device_unregister(hdmi->cec); -+ - /* Disable all interrupts */ - hdmi_writeb(hdmi, ~0, HDMI_IH_MUTE_PHY_STAT0); - -- hdmi->connector.funcs->destroy(&hdmi->connector); -+ hdmi->ddc_conn->connector.funcs->destroy(&hdmi->ddc_conn->connector); - hdmi->encoder.funcs->destroy(&hdmi->encoder); - - clk_disable_unprepare(hdmi->iahb_clk); - clk_disable_unprepare(hdmi->isfr_clk); -- i2c_put_adapter(hdmi->ddc); - } - - static const struct component_ops hdmi_ops = { -diff -Nur linux-3.15-rc6.orig/drivers/staging/imx-drm/imx-ldb.c linux-3.15-rc6/drivers/staging/imx-drm/imx-ldb.c ---- linux-3.15-rc6.orig/drivers/staging/imx-drm/imx-ldb.c 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/drivers/staging/imx-drm/imx-ldb.c 2014-05-23 11:26:48.316940071 +0200 -@@ -24,6 +24,7 @@ - #include - #include - #include -+#include - #include - #include - #include -@@ -60,6 +61,7 @@ - struct imx_ldb *ldb; - struct drm_connector connector; - struct drm_encoder encoder; -+ struct drm_panel *panel; - struct device_node *child; - int chno; - void *edid; -@@ -96,6 +98,13 @@ - struct imx_ldb_channel *imx_ldb_ch = con_to_imx_ldb_ch(connector); - int num_modes = 0; - -+ if (imx_ldb_ch->panel && imx_ldb_ch->panel->funcs && -+ imx_ldb_ch->panel->funcs->get_modes) { -+ num_modes = imx_ldb_ch->panel->funcs->get_modes(imx_ldb_ch->panel); -+ if (num_modes > 0) -+ return num_modes; -+ } -+ - if (imx_ldb_ch->edid) { - drm_mode_connector_update_edid_property(connector, - imx_ldb_ch->edid); -@@ -243,6 +252,8 @@ - } - - regmap_write(ldb->regmap, IOMUXC_GPR2, ldb->ldb_ctrl); -+ -+ drm_panel_enable(imx_ldb_ch->panel); - } - - static void imx_ldb_encoder_mode_set(struct drm_encoder *encoder, -@@ -294,6 +305,8 @@ - (ldb->ldb_ctrl & LDB_CH1_MODE_EN_MASK) == 0) - return; - -+ drm_panel_disable(imx_ldb_ch->panel); -+ - if (imx_ldb_ch == &ldb->channel[0]) - ldb->ldb_ctrl &= ~LDB_CH0_MODE_EN_MASK; - else if (imx_ldb_ch == &ldb->channel[1]) -@@ -379,6 +392,9 @@ - drm_connector_init(drm, &imx_ldb_ch->connector, - &imx_ldb_connector_funcs, DRM_MODE_CONNECTOR_LVDS); - -+ if (imx_ldb_ch->panel) -+ drm_panel_attach(imx_ldb_ch->panel, &imx_ldb_ch->connector); -+ - drm_mode_connector_attach_encoder(&imx_ldb_ch->connector, - &imx_ldb_ch->encoder); - -@@ -493,6 +509,7 @@ - - for_each_child_of_node(np, child) { - struct imx_ldb_channel *channel; -+ struct device_node *panel_node; - - ret = of_property_read_u32(child, "reg", &i); - if (ret || i < 0 || i > 1) -@@ -556,6 +573,10 @@ - return -EINVAL; - } - -+ panel_node = of_parse_phandle(child, "fsl,panel", 0); -+ if (panel_node) -+ channel->panel = of_drm_find_panel(panel_node); -+ - ret = imx_ldb_register(drm, channel); - if (ret) - return ret; -diff -Nur linux-3.15-rc6.orig/drivers/staging/imx-drm/imx-tve.c linux-3.15-rc6/drivers/staging/imx-drm/imx-tve.c ---- linux-3.15-rc6.orig/drivers/staging/imx-drm/imx-tve.c 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/drivers/staging/imx-drm/imx-tve.c 2014-05-23 11:28:50.689342803 +0200 -@@ -22,7 +22,6 @@ - #include - #include - #include --#include - #include - #include - #include -@@ -31,6 +30,7 @@ - #include - #include - -+#include "drm-ddc-connector.h" - #include "ipu-v3/imx-ipu-v3.h" - #include "imx-drm.h" - -@@ -111,7 +111,7 @@ - }; - - struct imx_tve { -- struct drm_connector connector; -+ struct drm_ddc_connector *ddc_conn; - struct drm_encoder encoder; - struct device *dev; - spinlock_t lock; /* register lock */ -@@ -120,7 +120,6 @@ - - struct regmap *regmap; - struct regulator *dac_reg; -- struct i2c_adapter *ddc; - struct clk *clk; - struct clk *di_sel_clk; - struct clk_hw clk_hw_di; -@@ -219,35 +218,10 @@ - return 0; - } - --static enum drm_connector_status imx_tve_connector_detect( -- struct drm_connector *connector, bool force) --{ -- return connector_status_connected; --} -- --static int imx_tve_connector_get_modes(struct drm_connector *connector) --{ -- struct imx_tve *tve = con_to_tve(connector); -- struct edid *edid; -- int ret = 0; -- -- if (!tve->ddc) -- return 0; -- -- edid = drm_get_edid(connector, tve->ddc); -- if (edid) { -- drm_mode_connector_update_edid_property(connector, edid); -- ret = drm_add_edid_modes(connector, edid); -- kfree(edid); -- } -- -- return ret; --} -- - static int imx_tve_connector_mode_valid(struct drm_connector *connector, - struct drm_display_mode *mode) - { -- struct imx_tve *tve = con_to_tve(connector); -+ struct imx_tve *tve = to_ddc_conn(connector)->private; - unsigned long rate; - int ret; - -@@ -274,7 +248,7 @@ - static struct drm_encoder *imx_tve_connector_best_encoder( - struct drm_connector *connector) - { -- struct imx_tve *tve = con_to_tve(connector); -+ struct imx_tve *tve = drm_ddc_private(connector); - - return &tve->encoder; - } -@@ -362,15 +336,8 @@ - tve_disable(tve); - } - --static struct drm_connector_funcs imx_tve_connector_funcs = { -- .dpms = drm_helper_connector_dpms, -- .fill_modes = drm_helper_probe_single_connector_modes, -- .detect = imx_tve_connector_detect, -- .destroy = imx_drm_connector_destroy, --}; -- - static struct drm_connector_helper_funcs imx_tve_connector_helper_funcs = { -- .get_modes = imx_tve_connector_get_modes, -+ .get_modes = drm_ddc_connector_get_modes, - .best_encoder = imx_tve_connector_best_encoder, - .mode_valid = imx_tve_connector_mode_valid, - }; -@@ -513,12 +480,11 @@ - drm_encoder_init(drm, &tve->encoder, &imx_tve_encoder_funcs, - encoder_type); - -- drm_connector_helper_add(&tve->connector, -+ drm_connector_helper_add(&tve->ddc_conn->connector, - &imx_tve_connector_helper_funcs); -- drm_connector_init(drm, &tve->connector, &imx_tve_connector_funcs, -- DRM_MODE_CONNECTOR_VGA); -+ drm_ddc_connector_add(drm, tve->ddc_conn, DRM_MODE_CONNECTOR_VGA); - -- drm_mode_connector_attach_encoder(&tve->connector, &tve->encoder); -+ drm_mode_connector_attach_encoder(&tve->ddc_conn->connector, &tve->encoder); - - return 0; - } -@@ -567,7 +533,6 @@ - struct platform_device *pdev = to_platform_device(dev); - struct drm_device *drm = data; - struct device_node *np = dev->of_node; -- struct device_node *ddc_node; - struct imx_tve *tve; - struct resource *res; - void __iomem *base; -@@ -579,15 +544,13 @@ - if (!tve) - return -ENOMEM; - -+ tve->ddc_conn = drm_ddc_connector_create(drm, np, tve); -+ if (IS_ERR(tve->ddc_conn)) -+ return PTR_ERR(tve->ddc_conn); -+ - tve->dev = dev; - spin_lock_init(&tve->lock); - -- ddc_node = of_parse_phandle(np, "ddc-i2c-bus", 0); -- if (ddc_node) { -- tve->ddc = of_find_i2c_adapter_by_node(ddc_node); -- of_node_put(ddc_node); -- } -- - tve->mode = of_get_tve_mode(np); - if (tve->mode != TVE_MODE_VGA) { - dev_err(dev, "only VGA mode supported, currently\n"); -@@ -694,7 +657,7 @@ - { - struct imx_tve *tve = dev_get_drvdata(dev); - -- tve->connector.funcs->destroy(&tve->connector); -+ tve->ddc_conn->connector.funcs->destroy(&tve->ddc_conn->connector); - tve->encoder.funcs->destroy(&tve->encoder); - - if (!IS_ERR(tve->dac_reg)) -diff -Nur linux-3.15-rc6.orig/drivers/staging/imx-drm/ipu-v3/imx-ipu-v3.h linux-3.15-rc6/drivers/staging/imx-drm/ipu-v3/imx-ipu-v3.h ---- linux-3.15-rc6.orig/drivers/staging/imx-drm/ipu-v3/imx-ipu-v3.h 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/drivers/staging/imx-drm/ipu-v3/imx-ipu-v3.h 2014-05-23 11:26:48.316940071 +0200 -@@ -76,6 +76,7 @@ - IPU_IRQ_EOS = 192, - }; - -+int ipu_map_irq(struct ipu_soc *ipu, int irq); - int ipu_idmac_channel_irq(struct ipu_soc *ipu, struct ipuv3_channel *channel, - enum ipu_channel_irq irq); - -@@ -114,8 +115,10 @@ - void ipu_dc_put(struct ipu_dc *dc); - int ipu_dc_init_sync(struct ipu_dc *dc, struct ipu_di *di, bool interlaced, - u32 pixel_fmt, u32 width); -+void ipu_dc_enable(struct ipu_soc *ipu); - void ipu_dc_enable_channel(struct ipu_dc *dc); - void ipu_dc_disable_channel(struct ipu_dc *dc); -+void ipu_dc_disable(struct ipu_soc *ipu); - - /* - * IPU Display Interface (di) functions -@@ -152,8 +155,10 @@ - - struct ipu_dp *ipu_dp_get(struct ipu_soc *ipu, unsigned int flow); - void ipu_dp_put(struct ipu_dp *); -+int ipu_dp_enable(struct ipu_soc *ipu); - int ipu_dp_enable_channel(struct ipu_dp *dp); - void ipu_dp_disable_channel(struct ipu_dp *dp); -+void ipu_dp_disable(struct ipu_soc *ipu); - int ipu_dp_setup_channel(struct ipu_dp *dp, - enum ipu_color_space in, enum ipu_color_space out); - int ipu_dp_set_window_pos(struct ipu_dp *, u16 x_pos, u16 y_pos); -diff -Nur linux-3.15-rc6.orig/drivers/staging/imx-drm/ipu-v3/ipu-common.c linux-3.15-rc6/drivers/staging/imx-drm/ipu-v3/ipu-common.c ---- linux-3.15-rc6.orig/drivers/staging/imx-drm/ipu-v3/ipu-common.c 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/drivers/staging/imx-drm/ipu-v3/ipu-common.c 2014-05-23 11:26:48.352940189 +0200 -@@ -697,6 +697,12 @@ - } - EXPORT_SYMBOL_GPL(ipu_idmac_enable_channel); - -+bool ipu_idmac_channel_busy(struct ipu_soc *ipu, unsigned int chno) -+{ -+ return (ipu_idmac_read(ipu, IDMAC_CHA_BUSY(chno)) & idma_mask(chno)); -+} -+EXPORT_SYMBOL_GPL(ipu_idmac_channel_busy); -+ - int ipu_idmac_wait_busy(struct ipuv3_channel *channel, int ms) - { - struct ipu_soc *ipu = channel->ipu; -@@ -714,6 +720,22 @@ - } - EXPORT_SYMBOL_GPL(ipu_idmac_wait_busy); - -+int ipu_wait_interrupt(struct ipu_soc *ipu, int irq, int ms) -+{ -+ unsigned long timeout; -+ -+ timeout = jiffies + msecs_to_jiffies(ms); -+ ipu_cm_write(ipu, BIT(irq % 32), IPU_INT_STAT(irq / 32)); -+ while (!(ipu_cm_read(ipu, IPU_INT_STAT(irq / 32) & BIT(irq % 32)))) { -+ if (time_after(jiffies, timeout)) -+ return -ETIMEDOUT; -+ cpu_relax(); -+ } -+ -+ return 0; -+} -+EXPORT_SYMBOL_GPL(ipu_wait_interrupt); -+ - int ipu_idmac_disable_channel(struct ipuv3_channel *channel) - { - struct ipu_soc *ipu = channel->ipu; -@@ -933,15 +955,22 @@ - chained_irq_exit(chip, desc); - } - --int ipu_idmac_channel_irq(struct ipu_soc *ipu, struct ipuv3_channel *channel, -- enum ipu_channel_irq irq_type) -+int ipu_map_irq(struct ipu_soc *ipu, int irq) - { -- int irq = irq_linear_revmap(ipu->domain, irq_type + channel->num); -+ int virq; - -- if (!irq) -- irq = irq_create_mapping(ipu->domain, irq_type + channel->num); -+ virq = irq_linear_revmap(ipu->domain, irq); -+ if (!virq) -+ virq = irq_create_mapping(ipu->domain, irq); - -- return irq; -+ return virq; -+} -+EXPORT_SYMBOL_GPL(ipu_map_irq); -+ -+int ipu_idmac_channel_irq(struct ipu_soc *ipu, struct ipuv3_channel *channel, -+ enum ipu_channel_irq irq_type) -+{ -+ return ipu_map_irq(ipu, irq_type + channel->num); - } - EXPORT_SYMBOL_GPL(ipu_idmac_channel_irq); - -diff -Nur linux-3.15-rc6.orig/drivers/staging/imx-drm/ipu-v3/ipu-dc.c linux-3.15-rc6/drivers/staging/imx-drm/ipu-v3/ipu-dc.c ---- linux-3.15-rc6.orig/drivers/staging/imx-drm/ipu-v3/ipu-dc.c 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/drivers/staging/imx-drm/ipu-v3/ipu-dc.c 2014-05-23 11:26:48.360940215 +0200 -@@ -18,6 +18,7 @@ - #include - #include - #include -+#include - #include - - #include "../imx-drm.h" -@@ -92,6 +93,7 @@ - IPU_DC_MAP_GBR24, /* TVEv2 */ - IPU_DC_MAP_BGR666, - IPU_DC_MAP_BGR24, -+ IPU_DC_MAP_RGB666, - }; - - struct ipu_dc { -@@ -110,6 +112,9 @@ - struct device *dev; - struct ipu_dc channels[IPU_DC_NUM_CHANNELS]; - struct mutex mutex; -+ struct completion comp; -+ int dc_irq; -+ int dp_irq; - }; - - static void dc_link_event(struct ipu_dc *dc, int event, int addr, int priority) -@@ -155,6 +160,8 @@ - return IPU_DC_MAP_BGR666; - case V4L2_PIX_FMT_BGR24: - return IPU_DC_MAP_BGR24; -+ case V4L2_PIX_FMT_RGB666: -+ return IPU_DC_MAP_RGB666; - default: - return -EINVAL; - } -@@ -220,12 +227,16 @@ - writel(0x0, dc->base + DC_WR_CH_ADDR); - writel(width, priv->dc_reg + DC_DISP_CONF2(dc->di)); - -- ipu_module_enable(priv->ipu, IPU_CONF_DC_EN); -- - return 0; - } - EXPORT_SYMBOL_GPL(ipu_dc_init_sync); - -+void ipu_dc_enable(struct ipu_soc *ipu) -+{ -+ ipu_module_enable(ipu, IPU_CONF_DC_EN); -+} -+EXPORT_SYMBOL_GPL(ipu_dc_enable); -+ - void ipu_dc_enable_channel(struct ipu_dc *dc) - { - int di; -@@ -239,41 +250,55 @@ - } - EXPORT_SYMBOL_GPL(ipu_dc_enable_channel); - -+static irqreturn_t dc_irq_handler(int irq, void *dev_id) -+{ -+ struct ipu_dc *dc = dev_id; -+ u32 reg; -+ -+ reg = readl(dc->base + DC_WR_CH_CONF); -+ reg &= ~DC_WR_CH_CONF_PROG_TYPE_MASK; -+ writel(reg, dc->base + DC_WR_CH_CONF); -+ -+ /* The Freescale BSP kernel clears DIx_COUNTER_RELEASE here */ -+ -+ complete(&dc->priv->comp); -+ return IRQ_HANDLED; -+} -+ - void ipu_dc_disable_channel(struct ipu_dc *dc) - { - struct ipu_dc_priv *priv = dc->priv; -+ int irq, ret; - u32 val; -- int irq = 0, timeout = 50; - -+ /* TODO: Handle MEM_FG_SYNC differently from MEM_BG_SYNC */ - if (dc->chno == 1) -- irq = IPU_IRQ_DC_FC_1; -+ irq = priv->dc_irq; - else if (dc->chno == 5) -- irq = IPU_IRQ_DP_SF_END; -+ irq = priv->dp_irq; - else - return; - -- /* should wait for the interrupt here */ -- mdelay(50); -- -- if (dc->di == 0) -- val = 0x00000002; -- else -- val = 0x00000020; -- -- /* Wait for DC triple buffer to empty */ -- while ((readl(priv->dc_reg + DC_STAT) & val) != val) { -- usleep_range(2000, 20000); -- timeout -= 2; -- if (timeout <= 0) -- break; -+ init_completion(&priv->comp); -+ enable_irq(irq); -+ ret = wait_for_completion_timeout(&priv->comp, msecs_to_jiffies(50)); -+ disable_irq(irq); -+ if (ret <= 0) { -+ dev_warn(priv->dev, "DC stop timeout after 50 ms\n"); -+ -+ val = readl(dc->base + DC_WR_CH_CONF); -+ val &= ~DC_WR_CH_CONF_PROG_TYPE_MASK; -+ writel(val, dc->base + DC_WR_CH_CONF); - } -- -- val = readl(dc->base + DC_WR_CH_CONF); -- val &= ~DC_WR_CH_CONF_PROG_TYPE_MASK; -- writel(val, dc->base + DC_WR_CH_CONF); - } - EXPORT_SYMBOL_GPL(ipu_dc_disable_channel); - -+void ipu_dc_disable(struct ipu_soc *ipu) -+{ -+ ipu_module_disable(ipu, IPU_CONF_DC_EN); -+} -+EXPORT_SYMBOL_GPL(ipu_dc_disable); -+ - static void ipu_dc_map_config(struct ipu_dc_priv *priv, enum ipu_dc_map map, - int byte_num, int offset, int mask) - { -@@ -340,7 +365,7 @@ - struct ipu_dc_priv *priv; - static int channel_offsets[] = { 0, 0x1c, 0x38, 0x54, 0x58, 0x5c, - 0x78, 0, 0x94, 0xb4}; -- int i; -+ int i, ret; - - priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); - if (!priv) -@@ -361,6 +386,23 @@ - priv->channels[i].base = priv->dc_reg + channel_offsets[i]; - } - -+ priv->dc_irq = ipu_map_irq(ipu, IPU_IRQ_DC_FC_1); -+ if (!priv->dc_irq) -+ return -EINVAL; -+ ret = devm_request_irq(dev, priv->dc_irq, dc_irq_handler, 0, NULL, -+ &priv->channels[1]); -+ if (ret < 0) -+ return ret; -+ disable_irq(priv->dc_irq); -+ priv->dp_irq = ipu_map_irq(ipu, IPU_IRQ_DP_SF_END); -+ if (!priv->dp_irq) -+ return -EINVAL; -+ ret = devm_request_irq(dev, priv->dp_irq, dc_irq_handler, 0, NULL, -+ &priv->channels[5]); -+ if (ret < 0) -+ return ret; -+ disable_irq(priv->dp_irq); -+ - writel(DC_WR_CH_CONF_WORD_SIZE_24 | DC_WR_CH_CONF_DISP_ID_PARALLEL(1) | - DC_WR_CH_CONF_PROG_DI_ID, - priv->channels[1].base + DC_WR_CH_CONF); -@@ -404,6 +446,12 @@ - ipu_dc_map_config(priv, IPU_DC_MAP_BGR24, 1, 15, 0xff); /* green */ - ipu_dc_map_config(priv, IPU_DC_MAP_BGR24, 0, 23, 0xff); /* blue */ - -+ /* rgb666 */ -+ ipu_dc_map_clear(priv, IPU_DC_MAP_RGB666); -+ ipu_dc_map_config(priv, IPU_DC_MAP_RGB666, 0, 5, 0xfc); /* blue */ -+ ipu_dc_map_config(priv, IPU_DC_MAP_RGB666, 1, 11, 0xfc); /* green */ -+ ipu_dc_map_config(priv, IPU_DC_MAP_RGB666, 2, 17, 0xfc); /* red */ -+ - return 0; - } - -diff -Nur linux-3.15-rc6.orig/drivers/staging/imx-drm/ipu-v3/ipu-di.c linux-3.15-rc6/drivers/staging/imx-drm/ipu-v3/ipu-di.c ---- linux-3.15-rc6.orig/drivers/staging/imx-drm/ipu-v3/ipu-di.c 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/drivers/staging/imx-drm/ipu-v3/ipu-di.c 2014-05-23 11:26:48.372940255 +0200 -@@ -595,7 +595,7 @@ - } - } - -- if (!sig->clk_pol) -+ if (sig->clk_pol) - di_gen |= DI_GEN_POLARITY_DISP_CLK; - - ipu_di_write(di, di_gen, DI_GENERAL); -diff -Nur linux-3.15-rc6.orig/drivers/staging/imx-drm/ipu-v3/ipu-dmfc.c linux-3.15-rc6/drivers/staging/imx-drm/ipu-v3/ipu-dmfc.c ---- linux-3.15-rc6.orig/drivers/staging/imx-drm/ipu-v3/ipu-dmfc.c 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/drivers/staging/imx-drm/ipu-v3/ipu-dmfc.c 2014-05-23 11:26:48.380940281 +0200 -@@ -28,7 +28,12 @@ - #define DMFC_GENERAL1 0x0014 - #define DMFC_GENERAL2 0x0018 - #define DMFC_IC_CTRL 0x001c --#define DMFC_STAT 0x0020 -+#define DMFC_WR_CHAN_ALT 0x0020 -+#define DMFC_WR_CHAN_DEF_ALT 0x0024 -+#define DMFC_DP_CHAN_ALT 0x0028 -+#define DMFC_DP_CHAN_DEF_ALT 0x002c -+#define DMFC_GENERAL1_ALT 0x0030 -+#define DMFC_STAT 0x0034 - - #define DMFC_WR_CHAN_1_28 0 - #define DMFC_WR_CHAN_2_41 8 -@@ -133,6 +138,20 @@ - } - EXPORT_SYMBOL_GPL(ipu_dmfc_enable_channel); - -+static void ipu_dmfc_wait_fifos(struct ipu_dmfc_priv *priv) -+{ -+ unsigned long timeout = jiffies + msecs_to_jiffies(1000); -+ -+ while ((readl(priv->base + DMFC_STAT) & 0x02fff000) != 0x02fff000) { -+ if (time_after(jiffies, timeout)) { -+ dev_warn(priv->dev, -+ "Timeout waiting for DMFC FIFOs to clear\n"); -+ break; -+ } -+ cpu_relax(); -+ } -+} -+ - void ipu_dmfc_disable_channel(struct dmfc_channel *dmfc) - { - struct ipu_dmfc_priv *priv = dmfc->priv; -@@ -141,8 +160,10 @@ - - priv->use_count--; - -- if (!priv->use_count) -+ if (!priv->use_count) { -+ ipu_dmfc_wait_fifos(priv); - ipu_module_disable(priv->ipu, IPU_CONF_DMFC_EN); -+ } - - if (priv->use_count < 0) - priv->use_count = 0; -diff -Nur linux-3.15-rc6.orig/drivers/staging/imx-drm/ipu-v3/ipu-dp.c linux-3.15-rc6/drivers/staging/imx-drm/ipu-v3/ipu-dp.c ---- linux-3.15-rc6.orig/drivers/staging/imx-drm/ipu-v3/ipu-dp.c 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/drivers/staging/imx-drm/ipu-v3/ipu-dp.c 2014-05-23 11:26:48.388940307 +0200 -@@ -215,10 +215,9 @@ - } - EXPORT_SYMBOL_GPL(ipu_dp_setup_channel); - --int ipu_dp_enable_channel(struct ipu_dp *dp) -+int ipu_dp_enable(struct ipu_soc *ipu) - { -- struct ipu_flow *flow = to_flow(dp); -- struct ipu_dp_priv *priv = flow->priv; -+ struct ipu_dp_priv *priv = ipu->dp_priv; - - mutex_lock(&priv->mutex); - -@@ -227,15 +226,28 @@ - - priv->use_count++; - -- if (dp->foreground) { -- u32 reg; -+ mutex_unlock(&priv->mutex); -+ -+ return 0; -+} -+EXPORT_SYMBOL_GPL(ipu_dp_enable); -+ -+int ipu_dp_enable_channel(struct ipu_dp *dp) -+{ -+ struct ipu_flow *flow = to_flow(dp); -+ struct ipu_dp_priv *priv = flow->priv; -+ u32 reg; -+ -+ if (!dp->foreground) -+ return 0; -+ -+ mutex_lock(&priv->mutex); - -- reg = readl(flow->base + DP_COM_CONF); -- reg |= DP_COM_CONF_FG_EN; -- writel(reg, flow->base + DP_COM_CONF); -+ reg = readl(flow->base + DP_COM_CONF); -+ reg |= DP_COM_CONF_FG_EN; -+ writel(reg, flow->base + DP_COM_CONF); - -- ipu_srm_dp_sync_update(priv->ipu); -- } -+ ipu_srm_dp_sync_update(priv->ipu); - - mutex_unlock(&priv->mutex); - -@@ -247,25 +259,38 @@ - { - struct ipu_flow *flow = to_flow(dp); - struct ipu_dp_priv *priv = flow->priv; -+ u32 reg, csc; -+ -+ if (!dp->foreground) -+ return; - - mutex_lock(&priv->mutex); - -- priv->use_count--; -+ reg = readl(flow->base + DP_COM_CONF); -+ csc = reg & DP_COM_CONF_CSC_DEF_MASK; -+ if (csc == DP_COM_CONF_CSC_DEF_FG) -+ reg &= ~DP_COM_CONF_CSC_DEF_MASK; -+ -+ reg &= ~DP_COM_CONF_FG_EN; -+ writel(reg, flow->base + DP_COM_CONF); -+ -+ writel(0, flow->base + DP_FG_POS); -+ ipu_srm_dp_sync_update(priv->ipu); -+ -+ if (ipu_idmac_channel_busy(priv->ipu, IPUV3_CHANNEL_MEM_BG_SYNC)) -+ ipu_wait_interrupt(priv->ipu, IPU_IRQ_DP_SF_END, 50); -+ -+ mutex_unlock(&priv->mutex); -+} -+EXPORT_SYMBOL_GPL(ipu_dp_disable_channel); - -- if (dp->foreground) { -- u32 reg, csc; -+void ipu_dp_disable(struct ipu_soc *ipu) -+{ -+ struct ipu_dp_priv *priv = ipu->dp_priv; - -- reg = readl(flow->base + DP_COM_CONF); -- csc = reg & DP_COM_CONF_CSC_DEF_MASK; -- if (csc == DP_COM_CONF_CSC_DEF_FG) -- reg &= ~DP_COM_CONF_CSC_DEF_MASK; -- -- reg &= ~DP_COM_CONF_FG_EN; -- writel(reg, flow->base + DP_COM_CONF); -- -- writel(0, flow->base + DP_FG_POS); -- ipu_srm_dp_sync_update(priv->ipu); -- } -+ mutex_lock(&priv->mutex); -+ -+ priv->use_count--; - - if (!priv->use_count) - ipu_module_disable(priv->ipu, IPU_CONF_DP_EN); -@@ -275,7 +300,7 @@ - - mutex_unlock(&priv->mutex); - } --EXPORT_SYMBOL_GPL(ipu_dp_disable_channel); -+EXPORT_SYMBOL_GPL(ipu_dp_disable); - - struct ipu_dp *ipu_dp_get(struct ipu_soc *ipu, unsigned int flow) - { -diff -Nur linux-3.15-rc6.orig/drivers/staging/imx-drm/ipu-v3/ipu-prv.h linux-3.15-rc6/drivers/staging/imx-drm/ipu-v3/ipu-prv.h ---- linux-3.15-rc6.orig/drivers/staging/imx-drm/ipu-v3/ipu-prv.h 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/drivers/staging/imx-drm/ipu-v3/ipu-prv.h 2014-05-23 11:26:48.396940333 +0200 -@@ -185,6 +185,9 @@ - int ipu_module_enable(struct ipu_soc *ipu, u32 mask); - int ipu_module_disable(struct ipu_soc *ipu, u32 mask); - -+bool ipu_idmac_channel_busy(struct ipu_soc *ipu, unsigned int chno); -+int ipu_wait_interrupt(struct ipu_soc *ipu, int irq, int ms); -+ - int ipu_di_init(struct ipu_soc *ipu, struct device *dev, int id, - unsigned long base, u32 module, struct clk *ipu_clk); - void ipu_di_exit(struct ipu_soc *ipu, int id); -diff -Nur linux-3.15-rc6.orig/drivers/staging/imx-drm/ipuv3-crtc.c linux-3.15-rc6/drivers/staging/imx-drm/ipuv3-crtc.c ---- linux-3.15-rc6.orig/drivers/staging/imx-drm/ipuv3-crtc.c 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/drivers/staging/imx-drm/ipuv3-crtc.c 2014-05-23 11:26:48.396940333 +0200 -@@ -60,24 +60,32 @@ - - static void ipu_fb_enable(struct ipu_crtc *ipu_crtc) - { -+ struct ipu_soc *ipu = dev_get_drvdata(ipu_crtc->dev->parent); -+ - if (ipu_crtc->enabled) - return; - -- ipu_di_enable(ipu_crtc->di); -- ipu_dc_enable_channel(ipu_crtc->dc); -+ ipu_dc_enable(ipu); - ipu_plane_enable(ipu_crtc->plane[0]); -+ /* Start DC channel and DI after IDMAC */ -+ ipu_dc_enable_channel(ipu_crtc->dc); -+ ipu_di_enable(ipu_crtc->di); - - ipu_crtc->enabled = 1; - } - - static void ipu_fb_disable(struct ipu_crtc *ipu_crtc) - { -+ struct ipu_soc *ipu = dev_get_drvdata(ipu_crtc->dev->parent); -+ - if (!ipu_crtc->enabled) - return; - -- ipu_plane_disable(ipu_crtc->plane[0]); -+ /* Stop DC channel and DI before IDMAC */ - ipu_dc_disable_channel(ipu_crtc->dc); - ipu_di_disable(ipu_crtc->di); -+ ipu_plane_disable(ipu_crtc->plane[0]); -+ ipu_dc_disable(ipu); - - ipu_crtc->enabled = 0; - } -@@ -158,7 +166,7 @@ - sig_cfg.Vsync_pol = 1; - - sig_cfg.enable_pol = 1; -- sig_cfg.clk_pol = 1; -+ sig_cfg.clk_pol = 0; - sig_cfg.width = mode->hdisplay; - sig_cfg.height = mode->vdisplay; - sig_cfg.pixel_fmt = out_pixel_fmt; -diff -Nur linux-3.15-rc6.orig/drivers/staging/imx-drm/ipuv3-plane.c linux-3.15-rc6/drivers/staging/imx-drm/ipuv3-plane.c ---- linux-3.15-rc6.orig/drivers/staging/imx-drm/ipuv3-plane.c 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/drivers/staging/imx-drm/ipuv3-plane.c 2014-05-23 11:26:48.396940333 +0200 -@@ -239,6 +239,8 @@ - - void ipu_plane_enable(struct ipu_plane *ipu_plane) - { -+ if (ipu_plane->dp) -+ ipu_dp_enable(ipu_plane->ipu); - ipu_dmfc_enable_channel(ipu_plane->dmfc); - ipu_idmac_enable_channel(ipu_plane->ipu_ch); - if (ipu_plane->dp) -@@ -257,6 +259,8 @@ - ipu_dp_disable_channel(ipu_plane->dp); - ipu_idmac_disable_channel(ipu_plane->ipu_ch); - ipu_dmfc_disable_channel(ipu_plane->dmfc); -+ if (ipu_plane->dp) -+ ipu_dp_disable(ipu_plane->ipu); - } - - static void ipu_plane_dpms(struct ipu_plane *ipu_plane, int mode) -diff -Nur linux-3.15-rc6.orig/drivers/staging/imx-drm/Kconfig linux-3.15-rc6/drivers/staging/imx-drm/Kconfig ---- linux-3.15-rc6.orig/drivers/staging/imx-drm/Kconfig 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/drivers/staging/imx-drm/Kconfig 2014-05-23 11:26:48.396940333 +0200 -@@ -35,6 +35,7 @@ - config DRM_IMX_LDB - tristate "Support for LVDS displays" - depends on DRM_IMX && MFD_SYSCON -+ select DRM_PANEL - help - Choose this to enable the internal LVDS Display Bridge (LDB) - found on i.MX53 and i.MX6 processors. -@@ -60,3 +61,20 @@ - depends on DRM_IMX - help - Choose this if you want to use HDMI on i.MX6. -+ -+config DRM_DW_HDMI_AUDIO -+ tristate "Synopsis Designware Audio interface" -+ depends on DRM_IMX_HDMI != n -+ help -+ Support the Audio interface which is part of the Synopsis -+ Designware HDMI block. This is used in conjunction with -+ the i.MX HDMI driver. -+ -+config DRM_DW_HDMI_CEC -+ tristate "Synopsis Designware CEC interface" -+ depends on DRM_IMX_HDMI != n -+ select HDMI_CEC_CORE -+ help -+ Support the CEC interface which is part of the Synposis -+ Designware HDMI block. This is used in conjunction with -+ the i.MX HDMI driver. -diff -Nur linux-3.15-rc6.orig/drivers/staging/imx-drm/Makefile linux-3.15-rc6/drivers/staging/imx-drm/Makefile ---- linux-3.15-rc6.orig/drivers/staging/imx-drm/Makefile 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/drivers/staging/imx-drm/Makefile 2014-05-23 11:26:48.396940333 +0200 -@@ -3,6 +3,7 @@ - - obj-$(CONFIG_DRM_IMX) += imxdrm.o - -+obj-$(CONFIG_DRM_IMX) += drm-ddc-connector.o - obj-$(CONFIG_DRM_IMX_PARALLEL_DISPLAY) += parallel-display.o - obj-$(CONFIG_DRM_IMX_TVE) += imx-tve.o - obj-$(CONFIG_DRM_IMX_LDB) += imx-ldb.o -@@ -11,3 +12,5 @@ - imx-ipuv3-crtc-objs := ipuv3-crtc.o ipuv3-plane.o - obj-$(CONFIG_DRM_IMX_IPUV3) += imx-ipuv3-crtc.o - obj-$(CONFIG_DRM_IMX_HDMI) += imx-hdmi.o -+obj-$(CONFIG_DRM_DW_HDMI_AUDIO) += dw-hdmi-audio.o -+obj-$(CONFIG_DRM_DW_HDMI_CEC) += dw-hdmi-cec.o -diff -Nur linux-3.15-rc6.orig/drivers/staging/imx-drm/parallel-display.c linux-3.15-rc6/drivers/staging/imx-drm/parallel-display.c ---- linux-3.15-rc6.orig/drivers/staging/imx-drm/parallel-display.c 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/drivers/staging/imx-drm/parallel-display.c 2014-05-23 11:26:48.396940333 +0200 -@@ -219,6 +219,8 @@ - imxpd->interface_pix_fmt = V4L2_PIX_FMT_RGB565; - else if (!strcmp(fmt, "bgr666")) - imxpd->interface_pix_fmt = V4L2_PIX_FMT_BGR666; -+ else if (!strcmp(fmt, "rgb666")) -+ imxpd->interface_pix_fmt = V4L2_PIX_FMT_RGB666; - } - - panel_node = of_parse_phandle(np, "fsl,panel", 0); -diff -Nur linux-3.15-rc6.orig/include/linux/cec-dev.h linux-3.15-rc6/include/linux/cec-dev.h ---- linux-3.15-rc6.orig/include/linux/cec-dev.h 1970-01-01 01:00:00.000000000 +0100 -+++ linux-3.15-rc6/include/linux/cec-dev.h 2014-05-23 11:26:48.396940333 +0200 -@@ -0,0 +1,69 @@ -+#ifndef _LINUX_CEC_DEV_H -+#define _LINUX_CEC_DEV_H -+ -+#include -+#include -+#include -+#include -+#include -+ -+#include -+ -+struct device; -+ -+struct cec_dev { -+ struct cdev cdev; -+ dev_t devn; -+ -+ struct mutex mutex; -+ unsigned users; -+ -+ spinlock_t lock; -+ wait_queue_head_t waitq; -+ struct list_head events; -+ u8 write_busy; -+ -+ u8 retries; -+ u16 addresses; -+ u16 physical; -+ -+ int (*open)(struct cec_dev *); -+ void (*release)(struct cec_dev *); -+ void (*send_message)(struct cec_dev *, u8 *, size_t); -+ void (*set_address)(struct cec_dev *, unsigned); -+}; -+ -+void cec_dev_event(struct cec_dev *cec_dev, int type, u8 *msg, size_t len); -+ -+static inline void cec_dev_receive(struct cec_dev *cec_dev, u8 *msg, -+ unsigned len) -+{ -+ cec_dev_event(cec_dev, MESSAGE_TYPE_RECEIVE_SUCCESS, msg, len); -+} -+ -+static inline void cec_dev_send_complete(struct cec_dev *cec_dev, int ack) -+{ -+ cec_dev->retries = 0; -+ cec_dev->write_busy = 0; -+ -+ cec_dev_event(cec_dev, ack ? MESSAGE_TYPE_SEND_SUCCESS : -+ MESSAGE_TYPE_NOACK, NULL, 0); -+} -+ -+static inline void cec_dev_disconnect(struct cec_dev *cec_dev) -+{ -+ cec_dev->physical = 0; -+ cec_dev_event(cec_dev, MESSAGE_TYPE_DISCONNECTED, NULL, 0); -+} -+ -+static inline void cec_dev_connect(struct cec_dev *cec_dev, u32 phys) -+{ -+ cec_dev->physical = phys; -+ cec_dev_event(cec_dev, MESSAGE_TYPE_CONNECTED, NULL, 0); -+} -+ -+void cec_dev_init(struct cec_dev *cec_dev, struct module *); -+int cec_dev_add(struct cec_dev *cec_dev, struct device *, const char *name); -+void cec_dev_remove(struct cec_dev *cec_dev); -+ -+#endif -diff -Nur linux-3.15-rc6.orig/include/linux/mmc/host.h linux-3.15-rc6/include/linux/mmc/host.h ---- linux-3.15-rc6.orig/include/linux/mmc/host.h 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/include/linux/mmc/host.h 2014-05-23 11:26:48.400940347 +0200 -@@ -278,6 +278,7 @@ - #define MMC_CAP2_PACKED_CMD (MMC_CAP2_PACKED_RD | \ - MMC_CAP2_PACKED_WR) - #define MMC_CAP2_NO_PRESCAN_POWERUP (1 << 14) /* Don't power up before scan */ -+#define MMC_CAP2_SDIO_NOTHREAD (1 << 15) - - mmc_pm_flag_t pm_caps; /* supported pm features */ - -@@ -293,6 +294,11 @@ - unsigned long clkgate_delay; - #endif - -+ /* card specific properties to deal with power and reset */ -+ struct regulator *card_regulator; /* External VCC needed by the card */ -+ struct gpio_desc *card_reset_gpios[2]; /* External resets, active low */ -+ struct clk *card_clk; /* External clock needed by the card */ -+ - /* host specific block data */ - unsigned int max_seg_size; /* see blk_queue_max_segment_size */ - unsigned short max_segs; /* see blk_queue_max_segments */ -@@ -391,6 +397,8 @@ - wake_up_process(host->sdio_irq_thread); - } - -+void sdio_run_irqs(struct mmc_host *host); -+ - #ifdef CONFIG_REGULATOR - int mmc_regulator_get_ocrmask(struct regulator *supply); - int mmc_regulator_set_ocr(struct mmc_host *mmc, -diff -Nur linux-3.15-rc6.orig/include/linux/mmc/sdhci.h linux-3.15-rc6/include/linux/mmc/sdhci.h ---- linux-3.15-rc6.orig/include/linux/mmc/sdhci.h 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/include/linux/mmc/sdhci.h 2014-05-23 11:26:48.400940347 +0200 -@@ -57,12 +57,8 @@ - #define SDHCI_QUIRK_BROKEN_CARD_DETECTION (1<<15) - /* Controller reports inverted write-protect state */ - #define SDHCI_QUIRK_INVERTED_WRITE_PROTECT (1<<16) --/* Controller has nonstandard clock management */ --#define SDHCI_QUIRK_NONSTANDARD_CLOCK (1<<17) - /* Controller does not like fast PIO transfers */ - #define SDHCI_QUIRK_PIO_NEEDS_DELAY (1<<18) --/* Controller losing signal/interrupt enable states after reset */ --#define SDHCI_QUIRK_RESTORE_IRQS_AFTER_RESET (1<<19) - /* Controller has to be forced to use block size of 2048 bytes */ - #define SDHCI_QUIRK_FORCE_BLK_SZ_2048 (1<<20) - /* Controller cannot do multi-block transfers */ -@@ -147,6 +143,7 @@ - - bool runtime_suspended; /* Host is runtime suspended */ - bool bus_on; /* Bus power prevents runtime suspend */ -+ bool preset_enabled; /* Preset is enabled */ - - struct mmc_request *mrq; /* Current request */ - struct mmc_command *cmd; /* Current command */ -@@ -164,8 +161,7 @@ - dma_addr_t adma_addr; /* Mapped ADMA descr. table */ - dma_addr_t align_addr; /* Mapped bounce buffer */ - -- struct tasklet_struct card_tasklet; /* Tasklet structures */ -- struct tasklet_struct finish_tasklet; -+ struct tasklet_struct finish_tasklet; /* Tasklet structures */ - - struct timer_list timer; /* Timer for timeouts */ - -@@ -177,6 +173,13 @@ - unsigned int ocr_avail_mmc; - u32 ocr_mask; /* available voltages */ - -+ unsigned timing; /* Current timing */ -+ -+ u32 thread_isr; -+ -+ /* cached registers */ -+ u32 ier; -+ - wait_queue_head_t buf_ready_int; /* Waitqueue for Buffer Read Ready interrupt */ - unsigned int tuning_done; /* Condition flag set when CMD19 succeeds */ - -diff -Nur linux-3.15-rc6.orig/include/uapi/linux/cec-dev.h linux-3.15-rc6/include/uapi/linux/cec-dev.h ---- linux-3.15-rc6.orig/include/uapi/linux/cec-dev.h 1970-01-01 01:00:00.000000000 +0100 -+++ linux-3.15-rc6/include/uapi/linux/cec-dev.h 2014-05-23 11:26:48.400940347 +0200 -@@ -0,0 +1,34 @@ -+#ifndef _UAPI_LINUX_CEC_DEV_H -+#define _UAPI_LINUX_CEC_DEV_H -+ -+#include -+#include -+ -+#define MAX_MESSAGE_LEN 16 -+ -+enum { -+ HDMICEC_IOC_MAGIC = 'H', -+ /* This is wrong: we pass the argument as a number, not a pointer */ -+ HDMICEC_IOC_O_SETLOGICALADDRESS = _IOW(HDMICEC_IOC_MAGIC, 1, unsigned char), -+ HDMICEC_IOC_SETLOGICALADDRESS = _IO(HDMICEC_IOC_MAGIC, 1), -+ HDMICEC_IOC_STARTDEVICE = _IO(HDMICEC_IOC_MAGIC, 2), -+ HDMICEC_IOC_STOPDEVICE = _IO(HDMICEC_IOC_MAGIC, 3), -+ HDMICEC_IOC_GETPHYADDRESS = _IOR(HDMICEC_IOC_MAGIC, 4, unsigned char[4]), -+}; -+ -+enum { -+ MESSAGE_TYPE_RECEIVE_SUCCESS = 1, -+ MESSAGE_TYPE_NOACK, -+ MESSAGE_TYPE_DISCONNECTED, -+ MESSAGE_TYPE_CONNECTED, -+ MESSAGE_TYPE_SEND_SUCCESS, -+ MESSAGE_TYPE_SEND_ERROR, -+}; -+ -+struct cec_user_event { -+ __u32 event_type; -+ __u32 msg_len; -+ __u8 msg[MAX_MESSAGE_LEN]; -+}; -+ -+#endif -diff -Nur linux-3.15-rc6.orig/include/uapi/linux/videodev2.h linux-3.15-rc6/include/uapi/linux/videodev2.h ---- linux-3.15-rc6.orig/include/uapi/linux/videodev2.h 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/include/uapi/linux/videodev2.h 2014-05-23 11:26:48.400940347 +0200 -@@ -299,6 +299,7 @@ - #define V4L2_PIX_FMT_RGB555X v4l2_fourcc('R', 'G', 'B', 'Q') /* 16 RGB-5-5-5 BE */ - #define V4L2_PIX_FMT_RGB565X v4l2_fourcc('R', 'G', 'B', 'R') /* 16 RGB-5-6-5 BE */ - #define V4L2_PIX_FMT_BGR666 v4l2_fourcc('B', 'G', 'R', 'H') /* 18 BGR-6-6-6 */ -+#define V4L2_PIX_FMT_RGB666 v4l2_fourcc('R', 'G', 'B', 'H') /* 18 RGB-6-6-6 */ - #define V4L2_PIX_FMT_BGR24 v4l2_fourcc('B', 'G', 'R', '3') /* 24 BGR-8-8-8 */ - #define V4L2_PIX_FMT_RGB24 v4l2_fourcc('R', 'G', 'B', '3') /* 24 RGB-8-8-8 */ - #define V4L2_PIX_FMT_BGR32 v4l2_fourcc('B', 'G', 'R', '4') /* 32 BGR-8-8-8-8 */ -diff -Nur linux-3.15-rc6.orig/sound/soc/fsl/imx-pcm-dma.c linux-3.15-rc6/sound/soc/fsl/imx-pcm-dma.c ---- linux-3.15-rc6.orig/sound/soc/fsl/imx-pcm-dma.c 2014-05-21 23:42:02.000000000 +0200 -+++ linux-3.15-rc6/sound/soc/fsl/imx-pcm-dma.c 2014-05-23 11:26:48.400940347 +0200 -@@ -44,7 +44,7 @@ - .buffer_bytes_max = IMX_SSI_DMABUF_SIZE, - .period_bytes_min = 128, - .period_bytes_max = 65535, /* Limited by SDMA engine */ -- .periods_min = 2, -+ .periods_min = 4, - .periods_max = 255, - .fifo_size = 0, - }; diff --git a/target/arm/cubox-i/patches/3.15-rc6/sdma-firmware-cubox-i.patch b/target/arm/cubox-i/patches/3.15-rc6/sdma-firmware-cubox-i.patch deleted file mode 100644 index 13f94a208..000000000 --- a/target/arm/cubox-i/patches/3.15-rc6/sdma-firmware-cubox-i.patch +++ /dev/null @@ -1,131 +0,0 @@ -diff -Nur linux-3.14.1.orig/firmware/imx/sdma/sdma-imx6q.bin.ihex linux-3.14.1/firmware/imx/sdma/sdma-imx6q.bin.ihex ---- linux-3.14.1.orig/firmware/imx/sdma/sdma-imx6q.bin.ihex 1970-01-01 01:00:00.000000000 +0100 -+++ linux-3.14.1/firmware/imx/sdma/sdma-imx6q.bin.ihex 2014-04-24 07:58:28.028222137 +0200 -@@ -0,0 +1,116 @@ -+:1000000053444D4101000000010000001C000000AD -+:1000100026000000B40000007A0600008202000002 -+:10002000FFFFFFFF00000000FFFFFFFFFFFFFFFFDC -+:10003000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFD0 -+:10004000FFFFFFFFFFFFFFFF6A1A0000FFFFFFFF38 -+:10005000EB020000BB180000FFFFFFFF08040000D8 -+:10006000FFFFFFFFC0030000FFFFFFFFFFFFFFFFD9 -+:10007000FFFFFFFFAB020000FFFFFFFF7B0300005D -+:10008000FFFFFFFFFFFFFFFF4C0400006E040000B6 -+:10009000FFFFFFFF00180000FFFFFFFFFFFFFFFF54 -+:1000A000000000000018000062180000161A00008E -+:1000B000061B0000E3C1DB57E35FE357F352016A1D -+:1000C0008F00D500017D8D00A005EB5D7804037DD8 -+:1000D00079042C7D367C79041F7CEE56000F600677 -+:1000E000057D0965437E0A62417E20980A623E7E54 -+:1000F00009653C7E12051205AD026007037DFB55C4 -+:10010000D36D2B98FB55041DD36DC86A2F7F011F3B -+:1001100003200048E47C5398FB55D76D1500057803 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-+:10051000027D0652329A2652337E6005027D100219 -+:100520001202096A2D7F1202096A2A7F1202096AE1 -+:10053000277F011F03200048EA7CE3555D9A1500E0 -+:1005400015001500047806520B6A26520B6A5C9A55 -+:1005500015001500047806520A6A26520A6A5C9A47 -+:10056000150004780652096A2652096A097C286A2D -+:10057000077F0000DB57004D057DFAC1DB571B9A52 -+:1005800077C254040AC2189AE3C1DB57F352056AD2 -+:10059000FB568E02941AC36AC8626902247D941EB7 -+:1005A000C36ED36EC8624802C86A9426981EC36E92 -+:1005B000D36EC8624C02C86A9826C36E981EC36E7A -+:1005C000C8629826C36E6002097CC8626E02247DF0 -+:1005D000096A1E7F0125004D257D849A286A187FAF -+:1005E00004627AC2B89AE36E8F00D805017D8D004F -+:1005F000A005C8626E02107D096A0A7F0120F97C9D -+:10060000286A067F0000004D0D7DFAC1DB576E9A07 -+:10061000070004620C6AB59A286AFA7F04627AC2FB -+:1006200058045404286AF47F0AC26B9AD9C1E3C102 -+:10063000DB57F352056AFB568E02941A0252690286 -+:100640001D7D941E06524802065A9426981E065294 -+:100650004C02065A9826981E065260020A7C98267A -+:1006600006526E02237D096A1D7F0125004D247DFF -+:10067000D19A286A177F04627AC2029B8F00D8053C -+:10068000017D8D00A00506526E02107D096A0A7F69 -+:100690000120F97C286A067F0000004D0D7DFAC11B -+:1006A000DB57C19A070004620C6AFF9A286AFA7F36 -+:1006B00004627AC258045404286AF47F0AC2BE9ABB -+:1006C000016E0B612F7E0B622D7E0B632B7E0C0D5A -+:1006D0001704170417049D04081DCC05017C0C0D9C -+:1006E000D16A000F4207C86FDD6F1C7F8E009D002E -+:1006F00001680B67177ED56B04080278C86F120774 -+:10070000117C0B670F7E04080278C86F12070A7C01 -+:10071000DD6F087FD169010FC86FDD6F037F0101B5 -+:0E0720000004129B0700FF680C680002129B89 -+:00000001FF -diff -Nur linux-3.14.1.orig/firmware/Makefile linux-3.14.1/firmware/Makefile ---- linux-3.14.1.orig/firmware/Makefile 2014-04-14 15:50:10.000000000 +0200 -+++ linux-3.14.1/firmware/Makefile 2014-04-24 13:01:55.802324681 +0200 -@@ -61,6 +61,7 @@ - radeon/RV770_pfp.bin radeon/RV770_me.bin \ - radeon/RV730_pfp.bin radeon/RV730_me.bin \ - radeon/RV710_pfp.bin radeon/RV710_me.bin -+fw-shipped-$(CONFIG_IMX_SDMA) += imx/sdma/sdma-imx6q.bin - fw-shipped-$(CONFIG_DVB_AV7110) += av7110/bootcode.bin - fw-shipped-$(CONFIG_DVB_TTUSB_BUDGET) += ttusb-budget/dspbootcode.bin - fw-shipped-$(CONFIG_E100) += e100/d101m_ucode.bin e100/d101s_ucode.bin \ diff --git a/target/arm/cubox-i/patches/3.15-rc7/rmk.patch b/target/arm/cubox-i/patches/3.15-rc7/rmk.patch new file mode 100644 index 000000000..83afb1a78 --- /dev/null +++ b/target/arm/cubox-i/patches/3.15-rc7/rmk.patch @@ -0,0 +1,12452 @@ +diff -Nur linux-3.15-rc6.orig/arch/arm/boot/dts/imx6dl-hummingboard.dts linux-3.15-rc6/arch/arm/boot/dts/imx6dl-hummingboard.dts +--- linux-3.15-rc6.orig/arch/arm/boot/dts/imx6dl-hummingboard.dts 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/arch/arm/boot/dts/imx6dl-hummingboard.dts 2014-05-23 11:26:48.244939835 +0200 +@@ -67,6 +67,14 @@ + status = "okay"; + }; + ++&hdmi { ++ pinctrl-names = "default"; ++ pinctrl-0 = <&pinctrl_hummingboard_hdmi>; ++ ddc-i2c-bus = <&i2c2>; ++ status = "okay"; ++ crtcs = <&ipu1 0>; ++}; ++ + &i2c1 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_hummingboard_i2c1>; +@@ -82,6 +90,13 @@ + */ + }; + ++&i2c2 { ++ clock-frequency = <100000>; ++ pinctrl-names = "default"; ++ pinctrl-0 = <&pinctrl_hummingboard_i2c2>; ++ status = "okay"; ++}; ++ + &iomuxc { + hummingboard { + pinctrl_hummingboard_flexcan1: hummingboard-flexcan1 { +@@ -97,6 +112,12 @@ + >; + }; + ++ pinctrl_hummingboard_hdmi: hummingboard-hdmi { ++ fsl,pins = < ++ MX6QDL_PAD_KEY_ROW2__HDMI_TX_CEC_LINE 0x1f8b0 ++ >; ++ }; ++ + pinctrl_hummingboard_i2c1: hummingboard-i2c1 { + fsl,pins = < + MX6QDL_PAD_EIM_D21__I2C1_SCL 0x4001b8b1 +@@ -104,6 +125,13 @@ + >; + }; + ++ pinctrl_hummingboard_i2c2: hummingboard-i2c2 { ++ fsl,pins = < ++ MX6QDL_PAD_KEY_COL3__I2C2_SCL 0x4001b8b1 ++ MX6QDL_PAD_KEY_ROW3__I2C2_SDA 0x4001b8b1 ++ >; ++ }; ++ + pinctrl_hummingboard_spdif: hummingboard-spdif { + fsl,pins = ; + }; +diff -Nur linux-3.15-rc6.orig/arch/arm/boot/dts/imx6q-cubox-i.dts linux-3.15-rc6/arch/arm/boot/dts/imx6q-cubox-i.dts +--- linux-3.15-rc6.orig/arch/arm/boot/dts/imx6q-cubox-i.dts 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/arch/arm/boot/dts/imx6q-cubox-i.dts 2014-05-23 11:26:48.244939835 +0200 +@@ -13,4 +13,8 @@ + + &sata { + status = "okay"; ++ fsl,transmit-level-mV = <1104>; ++ fsl,transmit-boost-mdB = <0>; ++ fsl,transmit-atten-16ths = <9>; ++ fsl,no-spread-spectrum; + }; +diff -Nur linux-3.15-rc6.orig/arch/arm/boot/dts/imx6qdl-cubox-i.dtsi linux-3.15-rc6/arch/arm/boot/dts/imx6qdl-cubox-i.dtsi +--- linux-3.15-rc6.orig/arch/arm/boot/dts/imx6qdl-cubox-i.dtsi 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/arch/arm/boot/dts/imx6qdl-cubox-i.dtsi 2014-05-23 11:26:48.244939835 +0200 +@@ -12,6 +12,19 @@ + pinctrl-0 = <&pinctrl_cubox_i_ir>; + }; + ++ pwmleds { ++ compatible = "pwm-leds"; ++ pinctrl-names = "default"; ++ pinctrl-0 = <&pinctrl_cubox_i_pwm1>; ++ ++ front { ++ active-low; ++ label = "imx6:red:front"; ++ max-brightness = <248>; ++ pwms = <&pwm1 0 50000>; ++ }; ++ }; ++ + regulators { + compatible = "simple-bus"; + +@@ -55,6 +68,21 @@ + }; + }; + ++&hdmi { ++ pinctrl-names = "default"; ++ pinctrl-0 = <&pinctrl_cubox_i_hdmi>; ++ ddc-i2c-bus = <&i2c2>; ++ status = "okay"; ++ crtcs = <&ipu1 0>; ++}; ++ ++&i2c2 { ++ clock-frequency = <100000>; ++ pinctrl-names = "default"; ++ pinctrl-0 = <&pinctrl_cubox_i_i2c2>; ++ status = "okay"; ++}; ++ + &i2c3 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_cubox_i_i2c3>; +@@ -69,6 +97,19 @@ + + &iomuxc { + cubox_i { ++ pinctrl_cubox_i_hdmi: cubox-i-hdmi { ++ fsl,pins = < ++ MX6QDL_PAD_KEY_ROW2__HDMI_TX_CEC_LINE 0x1f8b0 ++ >; ++ }; ++ ++ pinctrl_cubox_i_i2c2: cubox-i-i2c2 { ++ fsl,pins = < ++ MX6QDL_PAD_KEY_COL3__I2C2_SCL 0x4001b8b1 ++ MX6QDL_PAD_KEY_ROW3__I2C2_SDA 0x4001b8b1 ++ >; ++ }; ++ + pinctrl_cubox_i_i2c3: cubox-i-i2c3 { + fsl,pins = < + MX6QDL_PAD_EIM_D17__I2C3_SCL 0x4001b8b1 +@@ -82,6 +123,10 @@ + >; + }; + ++ pinctrl_cubox_i_pwm1: cubox-i-pwm1-front-led { ++ fsl,pins = ; ++ }; ++ + pinctrl_cubox_i_spdif: cubox-i-spdif { + fsl,pins = ; + }; +@@ -111,6 +156,28 @@ + MX6QDL_PAD_SD2_DAT3__SD2_DATA3 0x13059 + >; + }; ++ ++ pinctrl_cubox_i_usdhc2_100mhz: cubox-i-usdhc2-100mhz { ++ fsl,pins = < ++ MX6QDL_PAD_SD2_CMD__SD2_CMD 0x170b9 ++ MX6QDL_PAD_SD2_CLK__SD2_CLK 0x100b9 ++ MX6QDL_PAD_SD2_DAT0__SD2_DATA0 0x170b9 ++ MX6QDL_PAD_SD2_DAT1__SD2_DATA1 0x170b9 ++ MX6QDL_PAD_SD2_DAT2__SD2_DATA2 0x170b9 ++ MX6QDL_PAD_SD2_DAT3__SD2_DATA3 0x130b9 ++ >; ++ }; ++ ++ pinctrl_cubox_i_usdhc2_200mhz: cubox-i-usdhc2-200mhz { ++ fsl,pins = < ++ MX6QDL_PAD_SD2_CMD__SD2_CMD 0x170f9 ++ MX6QDL_PAD_SD2_CLK__SD2_CLK 0x100f9 ++ MX6QDL_PAD_SD2_DAT0__SD2_DATA0 0x170f9 ++ MX6QDL_PAD_SD2_DAT1__SD2_DATA1 0x170f9 ++ MX6QDL_PAD_SD2_DAT2__SD2_DATA2 0x170f9 ++ MX6QDL_PAD_SD2_DAT3__SD2_DATA3 0x130f9 ++ >; ++ }; + }; + }; + +@@ -130,9 +197,19 @@ + status = "okay"; + }; + ++&uart4 { ++ status = "okay"; ++}; ++ ++&usdhc1 { ++ status = "okay"; ++}; ++ + &usdhc2 { +- pinctrl-names = "default"; ++ pinctrl-names = "default", "state_100mhz", "state_200mhz"; + pinctrl-0 = <&pinctrl_cubox_i_usdhc2_aux &pinctrl_cubox_i_usdhc2>; ++ pinctrl-1 = <&pinctrl_cubox_i_usdhc2_aux &pinctrl_cubox_i_usdhc2_100mhz>; ++ pinctrl-2 = <&pinctrl_cubox_i_usdhc2_aux &pinctrl_cubox_i_usdhc2_200mhz>; + vmmc-supply = <®_3p3v>; + cd-gpios = <&gpio1 4 0>; + status = "okay"; +diff -Nur linux-3.15-rc6.orig/arch/arm/boot/dts/imx6qdl.dtsi linux-3.15-rc6/arch/arm/boot/dts/imx6qdl.dtsi +--- linux-3.15-rc6.orig/arch/arm/boot/dts/imx6qdl.dtsi 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/arch/arm/boot/dts/imx6qdl.dtsi 2014-05-23 11:26:48.244939835 +0200 +@@ -128,6 +128,8 @@ + cache-level = <2>; + arm,tag-latency = <4 2 3>; + arm,data-latency = <4 2 3>; ++ arm,dynamic-clk-gating; ++ arm,standby-mode; + }; + + pcie: pcie@0x01000000 { +diff -Nur linux-3.15-rc6.orig/arch/arm/boot/dts/imx6qdl-microsom.dtsi linux-3.15-rc6/arch/arm/boot/dts/imx6qdl-microsom.dtsi +--- linux-3.15-rc6.orig/arch/arm/boot/dts/imx6qdl-microsom.dtsi 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/arch/arm/boot/dts/imx6qdl-microsom.dtsi 2014-05-23 11:26:48.244939835 +0200 +@@ -1,9 +1,69 @@ + /* + * Copyright (C) 2013,2014 Russell King + */ ++#include ++/ { ++ regulators { ++ compatible = "simple-bus"; ++ ++ reg_brcm_osc: brcm-osc-reg { ++ compatible = "regulator-fixed"; ++ enable-active-high; ++ gpio = <&gpio5 5 0>; ++ pinctrl-names = "default"; ++ pinctrl-0 = <&pinctrl_microsom_brcm_osc_reg>; ++ regulator-name = "brcm_osc_reg"; ++ regulator-min-microvolt = <3300000>; ++ regulator-max-microvolt = <3300000>; ++ regulator-always-on; ++ regulator-boot-on; ++ }; ++ ++ reg_brcm: brcm-reg { ++ compatible = "regulator-fixed"; ++ enable-active-high; ++ gpio = <&gpio3 19 0>; ++ pinctrl-names = "default"; ++ pinctrl-0 = <&pinctrl_microsom_brcm_reg>; ++ regulator-name = "brcm_reg"; ++ regulator-min-microvolt = <3300000>; ++ regulator-max-microvolt = <3300000>; ++ startup-delay-us = <200000>; ++ }; ++ }; ++}; + + &iomuxc { + microsom { ++ pinctrl_microsom_brcm_osc_reg: microsom-brcm-osc-reg { ++ fsl,pins = < ++ MX6QDL_PAD_DISP0_DAT11__GPIO5_IO05 0x40013070 ++ >; ++ }; ++ ++ pinctrl_microsom_brcm_reg: microsom-brcm-reg { ++ fsl,pins = < ++ MX6QDL_PAD_EIM_D19__GPIO3_IO19 0x40013070 ++ >; ++ }; ++ ++ pinctrl_microsom_brcm_wifi: microsom-brcm-wifi { ++ fsl,pins = < ++ MX6QDL_PAD_GPIO_8__XTALOSC_REF_CLK_32K 0x1b0b0 ++ MX6QDL_PAD_CSI0_DATA_EN__GPIO5_IO20 0x40013070 ++ MX6QDL_PAD_CSI0_DAT8__GPIO5_IO26 0x40013070 ++ MX6QDL_PAD_CSI0_DAT9__GPIO5_IO27 0x40013070 ++ >; ++ }; ++ ++ pinctrl_microsom_brcm_bt: microsom-brcm-bt { ++ fsl,pins = < ++ MX6QDL_PAD_CSI0_DAT14__GPIO6_IO00 0x40013070 ++ MX6QDL_PAD_CSI0_DAT15__GPIO6_IO01 0x40013070 ++ MX6QDL_PAD_CSI0_DAT18__GPIO6_IO04 0x40013070 ++ >; ++ }; ++ + pinctrl_microsom_uart1: microsom-uart1 { + fsl,pins = < + MX6QDL_PAD_CSI0_DAT10__UART1_TX_DATA 0x1b0b1 +@@ -11,6 +71,15 @@ + >; + }; + ++ pinctrl_microsom_uart4_1: microsom-uart4 { ++ fsl,pins = < ++ MX6QDL_PAD_CSI0_DAT12__UART4_TX_DATA 0x1b0b1 ++ MX6QDL_PAD_CSI0_DAT13__UART4_RX_DATA 0x1b0b1 ++ MX6QDL_PAD_CSI0_DAT16__UART4_RTS_B 0x1b0b1 ++ MX6QDL_PAD_CSI0_DAT17__UART4_CTS_B 0x1b0b1 ++ >; ++ }; ++ + pinctrl_microsom_usbotg: microsom-usbotg { + /* + * Similar to pinctrl_usbotg_2, but we want it +@@ -18,6 +87,17 @@ + */ + fsl,pins = ; + }; ++ ++ pinctrl_microsom_usdhc1: microsom-usdhc1 { ++ fsl,pins = < ++ MX6QDL_PAD_SD1_CMD__SD1_CMD 0x17059 ++ MX6QDL_PAD_SD1_CLK__SD1_CLK 0x10059 ++ MX6QDL_PAD_SD1_DAT0__SD1_DATA0 0x17059 ++ MX6QDL_PAD_SD1_DAT1__SD1_DATA1 0x17059 ++ MX6QDL_PAD_SD1_DAT2__SD1_DATA2 0x17059 ++ MX6QDL_PAD_SD1_DAT3__SD1_DATA3 0x17059 ++ >; ++ }; + }; + }; + +@@ -27,7 +107,25 @@ + status = "okay"; + }; + ++/* UART4 - Connected to optional BRCM Wifi/BT/FM */ ++&uart4 { ++ pinctrl-names = "default"; ++ pinctrl-0 = <&pinctrl_microsom_brcm_bt &pinctrl_microsom_uart4_1>; ++ fsl,uart-has-rtscts; ++}; ++ + &usbotg { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_microsom_usbotg>; + }; ++ ++/* USDHC1 - Connected to optional BRCM Wifi/BT/FM */ ++&usdhc1 { ++ card-external-vcc-supply = <®_brcm>; ++ card-reset-gpios = <&gpio5 26 GPIO_ACTIVE_LOW>, <&gpio6 0 GPIO_ACTIVE_LOW>; ++ keep-power-in-suspend; ++ non-removable; ++ pinctrl-names = "default"; ++ pinctrl-0 = <&pinctrl_microsom_brcm_wifi &pinctrl_microsom_usdhc1>; ++ vmmc-supply = <®_brcm>; ++}; +diff -Nur linux-3.15-rc6.orig/arch/arm/boot/dts/imx6sl.dtsi linux-3.15-rc6/arch/arm/boot/dts/imx6sl.dtsi +--- linux-3.15-rc6.orig/arch/arm/boot/dts/imx6sl.dtsi 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/arch/arm/boot/dts/imx6sl.dtsi 2014-05-23 11:26:48.244939835 +0200 +@@ -111,6 +111,8 @@ + cache-level = <2>; + arm,tag-latency = <4 2 3>; + arm,data-latency = <4 2 3>; ++ arm,dynamic-clk-gating; ++ arm,standby-mode; + }; + + pmu { +diff -Nur linux-3.15-rc6.orig/arch/arm/boot/dts/marco.dtsi linux-3.15-rc6/arch/arm/boot/dts/marco.dtsi +--- linux-3.15-rc6.orig/arch/arm/boot/dts/marco.dtsi 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/arch/arm/boot/dts/marco.dtsi 2014-05-23 11:26:48.244939835 +0200 +@@ -36,7 +36,7 @@ + ranges = <0x40000000 0x40000000 0xa0000000>; + + l2-cache-controller@c0030000 { +- compatible = "sirf,marco-pl310-cache", "arm,pl310-cache"; ++ compatible = "arm,pl310-cache"; + reg = <0xc0030000 0x1000>; + interrupts = <0 59 0>; + arm,tag-latency = <1 1 1>; +diff -Nur linux-3.15-rc6.orig/arch/arm/boot/dts/prima2.dtsi linux-3.15-rc6/arch/arm/boot/dts/prima2.dtsi +--- linux-3.15-rc6.orig/arch/arm/boot/dts/prima2.dtsi 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/arch/arm/boot/dts/prima2.dtsi 2014-05-23 11:26:48.244939835 +0200 +@@ -48,7 +48,7 @@ + ranges = <0x40000000 0x40000000 0x80000000>; + + l2-cache-controller@80040000 { +- compatible = "arm,pl310-cache", "sirf,prima2-pl310-cache"; ++ compatible = "arm,pl310-cache"; + reg = <0x80040000 0x1000>; + interrupts = <59>; + arm,tag-latency = <1 1 1>; +diff -Nur linux-3.15-rc6.orig/arch/arm/configs/imx_v6_v7_defconfig linux-3.15-rc6/arch/arm/configs/imx_v6_v7_defconfig +--- linux-3.15-rc6.orig/arch/arm/configs/imx_v6_v7_defconfig 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/arch/arm/configs/imx_v6_v7_defconfig 2014-05-23 11:26:48.248939848 +0200 +@@ -245,6 +245,7 @@ + CONFIG_DRM_IMX_LDB=y + CONFIG_DRM_IMX_IPUV3_CORE=y + CONFIG_DRM_IMX_IPUV3=y ++CONFIG_DRM_IMX_HDMI=y + CONFIG_COMMON_CLK_DEBUG=y + # CONFIG_IOMMU_SUPPORT is not set + CONFIG_PWM=y +diff -Nur linux-3.15-rc6.orig/arch/arm/include/asm/hardware/cache-l2x0.h linux-3.15-rc6/arch/arm/include/asm/hardware/cache-l2x0.h +--- linux-3.15-rc6.orig/arch/arm/include/asm/hardware/cache-l2x0.h 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/arch/arm/include/asm/hardware/cache-l2x0.h 2014-05-23 11:26:48.248939848 +0200 +@@ -26,8 +26,8 @@ + #define L2X0_CACHE_TYPE 0x004 + #define L2X0_CTRL 0x100 + #define L2X0_AUX_CTRL 0x104 +-#define L2X0_TAG_LATENCY_CTRL 0x108 +-#define L2X0_DATA_LATENCY_CTRL 0x10C ++#define L310_TAG_LATENCY_CTRL 0x108 ++#define L310_DATA_LATENCY_CTRL 0x10C + #define L2X0_EVENT_CNT_CTRL 0x200 + #define L2X0_EVENT_CNT1_CFG 0x204 + #define L2X0_EVENT_CNT0_CFG 0x208 +@@ -54,53 +54,93 @@ + #define L2X0_LOCKDOWN_WAY_D_BASE 0x900 + #define L2X0_LOCKDOWN_WAY_I_BASE 0x904 + #define L2X0_LOCKDOWN_STRIDE 0x08 +-#define L2X0_ADDR_FILTER_START 0xC00 +-#define L2X0_ADDR_FILTER_END 0xC04 ++#define L310_ADDR_FILTER_START 0xC00 ++#define L310_ADDR_FILTER_END 0xC04 + #define L2X0_TEST_OPERATION 0xF00 + #define L2X0_LINE_DATA 0xF10 + #define L2X0_LINE_TAG 0xF30 + #define L2X0_DEBUG_CTRL 0xF40 +-#define L2X0_PREFETCH_CTRL 0xF60 +-#define L2X0_POWER_CTRL 0xF80 +-#define L2X0_DYNAMIC_CLK_GATING_EN (1 << 1) +-#define L2X0_STNDBY_MODE_EN (1 << 0) ++#define L310_PREFETCH_CTRL 0xF60 ++#define L310_POWER_CTRL 0xF80 ++#define L310_DYNAMIC_CLK_GATING_EN (1 << 1) ++#define L310_STNDBY_MODE_EN (1 << 0) + + /* Registers shifts and masks */ + #define L2X0_CACHE_ID_PART_MASK (0xf << 6) + #define L2X0_CACHE_ID_PART_L210 (1 << 6) ++#define L2X0_CACHE_ID_PART_L220 (2 << 6) + #define L2X0_CACHE_ID_PART_L310 (3 << 6) + #define L2X0_CACHE_ID_RTL_MASK 0x3f +-#define L2X0_CACHE_ID_RTL_R0P0 0x0 +-#define L2X0_CACHE_ID_RTL_R1P0 0x2 +-#define L2X0_CACHE_ID_RTL_R2P0 0x4 +-#define L2X0_CACHE_ID_RTL_R3P0 0x5 +-#define L2X0_CACHE_ID_RTL_R3P1 0x6 +-#define L2X0_CACHE_ID_RTL_R3P2 0x8 +- +-#define L2X0_AUX_CTRL_MASK 0xc0000fff ++#define L210_CACHE_ID_RTL_R0P2_02 0x00 ++#define L210_CACHE_ID_RTL_R0P1 0x01 ++#define L210_CACHE_ID_RTL_R0P2_01 0x02 ++#define L210_CACHE_ID_RTL_R0P3 0x03 ++#define L210_CACHE_ID_RTL_R0P4 0x0b ++#define L210_CACHE_ID_RTL_R0P5 0x0f ++#define L220_CACHE_ID_RTL_R1P7_01REL0 0x06 ++#define L310_CACHE_ID_RTL_R0P0 0x00 ++#define L310_CACHE_ID_RTL_R1P0 0x02 ++#define L310_CACHE_ID_RTL_R2P0 0x04 ++#define L310_CACHE_ID_RTL_R3P0 0x05 ++#define L310_CACHE_ID_RTL_R3P1 0x06 ++#define L310_CACHE_ID_RTL_R3P1_50REL0 0x07 ++#define L310_CACHE_ID_RTL_R3P2 0x08 ++#define L310_CACHE_ID_RTL_R3P3 0x09 ++ ++/* L2C auxiliary control register - bits common to L2C-210/220/310 */ ++#define L2C_AUX_CTRL_WAY_SIZE_SHIFT 17 ++#define L2C_AUX_CTRL_WAY_SIZE_MASK (7 << 17) ++#define L2C_AUX_CTRL_WAY_SIZE(n) ((n) << 17) ++#define L2C_AUX_CTRL_EVTMON_ENABLE BIT(20) ++#define L2C_AUX_CTRL_PARITY_ENABLE BIT(21) ++#define L2C_AUX_CTRL_SHARED_OVERRIDE BIT(22) ++/* L2C-210/220 common bits */ + #define L2X0_AUX_CTRL_DATA_RD_LATENCY_SHIFT 0 +-#define L2X0_AUX_CTRL_DATA_RD_LATENCY_MASK 0x7 ++#define L2X0_AUX_CTRL_DATA_RD_LATENCY_MASK (7 << 0) + #define L2X0_AUX_CTRL_DATA_WR_LATENCY_SHIFT 3 +-#define L2X0_AUX_CTRL_DATA_WR_LATENCY_MASK (0x7 << 3) ++#define L2X0_AUX_CTRL_DATA_WR_LATENCY_MASK (7 << 3) + #define L2X0_AUX_CTRL_TAG_LATENCY_SHIFT 6 +-#define L2X0_AUX_CTRL_TAG_LATENCY_MASK (0x7 << 6) ++#define L2X0_AUX_CTRL_TAG_LATENCY_MASK (7 << 6) + #define L2X0_AUX_CTRL_DIRTY_LATENCY_SHIFT 9 +-#define L2X0_AUX_CTRL_DIRTY_LATENCY_MASK (0x7 << 9) +-#define L2X0_AUX_CTRL_ASSOCIATIVITY_SHIFT 16 +-#define L2X0_AUX_CTRL_WAY_SIZE_SHIFT 17 +-#define L2X0_AUX_CTRL_WAY_SIZE_MASK (0x7 << 17) +-#define L2X0_AUX_CTRL_SHARE_OVERRIDE_SHIFT 22 +-#define L2X0_AUX_CTRL_NS_LOCKDOWN_SHIFT 26 +-#define L2X0_AUX_CTRL_NS_INT_CTRL_SHIFT 27 +-#define L2X0_AUX_CTRL_DATA_PREFETCH_SHIFT 28 +-#define L2X0_AUX_CTRL_INSTR_PREFETCH_SHIFT 29 +-#define L2X0_AUX_CTRL_EARLY_BRESP_SHIFT 30 +- +-#define L2X0_LATENCY_CTRL_SETUP_SHIFT 0 +-#define L2X0_LATENCY_CTRL_RD_SHIFT 4 +-#define L2X0_LATENCY_CTRL_WR_SHIFT 8 +- +-#define L2X0_ADDR_FILTER_EN 1 ++#define L2X0_AUX_CTRL_DIRTY_LATENCY_MASK (7 << 9) ++#define L2X0_AUX_CTRL_ASSOC_SHIFT 13 ++#define L2X0_AUX_CTRL_ASSOC_MASK (15 << 13) ++/* L2C-210 specific bits */ ++#define L210_AUX_CTRL_WRAP_DISABLE BIT(12) ++#define L210_AUX_CTRL_WA_OVERRIDE BIT(23) ++#define L210_AUX_CTRL_EXCLUSIVE_ABORT BIT(24) ++/* L2C-220 specific bits */ ++#define L220_AUX_CTRL_EXCLUSIVE_CACHE BIT(12) ++#define L220_AUX_CTRL_FWA_SHIFT 23 ++#define L220_AUX_CTRL_FWA_MASK (3 << 23) ++#define L220_AUX_CTRL_NS_LOCKDOWN BIT(26) ++#define L220_AUX_CTRL_NS_INT_CTRL BIT(27) ++/* L2C-310 specific bits */ ++#define L310_AUX_CTRL_FULL_LINE_ZERO BIT(0) /* R2P0+ */ ++#define L310_AUX_CTRL_HIGHPRIO_SO_DEV BIT(10) /* R2P0+ */ ++#define L310_AUX_CTRL_STORE_LIMITATION BIT(11) /* R2P0+ */ ++#define L310_AUX_CTRL_EXCLUSIVE_CACHE BIT(12) ++#define L310_AUX_CTRL_ASSOCIATIVITY_16 BIT(16) ++#define L310_AUX_CTRL_CACHE_REPLACE_RR BIT(25) /* R2P0+ */ ++#define L310_AUX_CTRL_NS_LOCKDOWN BIT(26) ++#define L310_AUX_CTRL_NS_INT_CTRL BIT(27) ++#define L310_AUX_CTRL_DATA_PREFETCH BIT(28) ++#define L310_AUX_CTRL_INSTR_PREFETCH BIT(29) ++#define L310_AUX_CTRL_EARLY_BRESP BIT(30) /* R2P0+ */ ++ ++#define L310_LATENCY_CTRL_SETUP(n) ((n) << 0) ++#define L310_LATENCY_CTRL_RD(n) ((n) << 4) ++#define L310_LATENCY_CTRL_WR(n) ((n) << 8) ++ ++#define L310_ADDR_FILTER_EN 1 ++ ++#define L310_PREFETCH_CTRL_OFFSET_MASK 0x1f ++#define L310_PREFETCH_CTRL_DBL_LINEFILL_INCR BIT(23) ++#define L310_PREFETCH_CTRL_PREFETCH_DROP BIT(24) ++#define L310_PREFETCH_CTRL_DBL_LINEFILL_WRAP BIT(27) ++#define L310_PREFETCH_CTRL_DATA_PREFETCH BIT(28) ++#define L310_PREFETCH_CTRL_INSTR_PREFETCH BIT(29) ++#define L310_PREFETCH_CTRL_DBL_LINEFILL BIT(30) + + #define L2X0_CTRL_EN 1 + +diff -Nur linux-3.15-rc6.orig/arch/arm/include/asm/outercache.h linux-3.15-rc6/arch/arm/include/asm/outercache.h +--- linux-3.15-rc6.orig/arch/arm/include/asm/outercache.h 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/arch/arm/include/asm/outercache.h 2014-05-23 11:26:48.248939848 +0200 +@@ -21,6 +21,7 @@ + #ifndef __ASM_OUTERCACHE_H + #define __ASM_OUTERCACHE_H + ++#include + #include + + struct outer_cache_fns { +@@ -28,53 +29,84 @@ + void (*clean_range)(unsigned long, unsigned long); + void (*flush_range)(unsigned long, unsigned long); + void (*flush_all)(void); +- void (*inv_all)(void); + void (*disable)(void); + #ifdef CONFIG_OUTER_CACHE_SYNC + void (*sync)(void); + #endif +- void (*set_debug)(unsigned long); + void (*resume)(void); ++ ++ /* This is an ARM L2C thing */ ++ void (*write_sec)(unsigned long, unsigned); + }; + + extern struct outer_cache_fns outer_cache; + + #ifdef CONFIG_OUTER_CACHE +- ++/** ++ * outer_inv_range - invalidate range of outer cache lines ++ * @start: starting physical address, inclusive ++ * @end: end physical address, exclusive ++ */ + static inline void outer_inv_range(phys_addr_t start, phys_addr_t end) + { + if (outer_cache.inv_range) + outer_cache.inv_range(start, end); + } ++ ++/** ++ * outer_clean_range - clean dirty outer cache lines ++ * @start: starting physical address, inclusive ++ * @end: end physical address, exclusive ++ */ + static inline void outer_clean_range(phys_addr_t start, phys_addr_t end) + { + if (outer_cache.clean_range) + outer_cache.clean_range(start, end); + } ++ ++/** ++ * outer_flush_range - clean and invalidate outer cache lines ++ * @start: starting physical address, inclusive ++ * @end: end physical address, exclusive ++ */ + static inline void outer_flush_range(phys_addr_t start, phys_addr_t end) + { + if (outer_cache.flush_range) + outer_cache.flush_range(start, end); + } + ++/** ++ * outer_flush_all - clean and invalidate all cache lines in the outer cache ++ * ++ * Note: depending on implementation, this may not be atomic - it must ++ * only be called with interrupts disabled and no other active outer ++ * cache masters. ++ * ++ * It is intended that this function is only used by implementations ++ * needing to override the outer_cache.disable() method due to security. ++ * (Some implementations perform this as a clean followed by an invalidate.) ++ */ + static inline void outer_flush_all(void) + { + if (outer_cache.flush_all) + outer_cache.flush_all(); + } + +-static inline void outer_inv_all(void) +-{ +- if (outer_cache.inv_all) +- outer_cache.inv_all(); +-} +- +-static inline void outer_disable(void) +-{ +- if (outer_cache.disable) +- outer_cache.disable(); +-} +- ++/** ++ * outer_disable - clean, invalidate and disable the outer cache ++ * ++ * Disable the outer cache, ensuring that any data contained in the outer ++ * cache is pushed out to lower levels of system memory. The note and ++ * conditions above concerning outer_flush_all() applies here. ++ */ ++extern void outer_disable(void); ++ ++/** ++ * outer_resume - restore the cache configuration and re-enable outer cache ++ * ++ * Restore any configuration that the cache had when previously enabled, ++ * and re-enable the outer cache. ++ */ + static inline void outer_resume(void) + { + if (outer_cache.resume) +@@ -90,13 +122,18 @@ + static inline void outer_flush_range(phys_addr_t start, phys_addr_t end) + { } + static inline void outer_flush_all(void) { } +-static inline void outer_inv_all(void) { } + static inline void outer_disable(void) { } + static inline void outer_resume(void) { } + + #endif + + #ifdef CONFIG_OUTER_CACHE_SYNC ++/** ++ * outer_sync - perform a sync point for outer cache ++ * ++ * Ensure that all outer cache operations are complete and any store ++ * buffers are drained. ++ */ + static inline void outer_sync(void) + { + if (outer_cache.sync) +diff -Nur linux-3.15-rc6.orig/arch/arm/Kconfig linux-3.15-rc6/arch/arm/Kconfig +--- linux-3.15-rc6.orig/arch/arm/Kconfig 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/arch/arm/Kconfig 2014-05-23 11:26:48.248939848 +0200 +@@ -1230,19 +1230,6 @@ + register of the Cortex-A9 which reduces the linefill issuing + capabilities of the processor. + +-config PL310_ERRATA_588369 +- bool "PL310 errata: Clean & Invalidate maintenance operations do not invalidate clean lines" +- depends on CACHE_L2X0 +- help +- The PL310 L2 cache controller implements three types of Clean & +- Invalidate maintenance operations: by Physical Address +- (offset 0x7F0), by Index/Way (0x7F8) and by Way (0x7FC). +- They are architecturally defined to behave as the execution of a +- clean operation followed immediately by an invalidate operation, +- both performing to the same memory location. This functionality +- is not correctly implemented in PL310 as clean lines are not +- invalidated as a result of these operations. +- + config ARM_ERRATA_643719 + bool "ARM errata: LoUIS bit field in CLIDR register is incorrect" + depends on CPU_V7 && SMP +@@ -1265,17 +1252,6 @@ + tables. The workaround changes the TLB flushing routines to invalidate + entries regardless of the ASID. + +-config PL310_ERRATA_727915 +- bool "PL310 errata: Background Clean & Invalidate by Way operation can cause data corruption" +- depends on CACHE_L2X0 +- help +- PL310 implements the Clean & Invalidate by Way L2 cache maintenance +- operation (offset 0x7FC). This operation runs in background so that +- PL310 can handle normal accesses while it is in progress. Under very +- rare circumstances, due to this erratum, write data can be lost when +- PL310 treats a cacheable write transaction during a Clean & +- Invalidate by Way operation. +- + config ARM_ERRATA_743622 + bool "ARM errata: Faulty hazard checking in the Store Buffer may lead to data corruption" + depends on CPU_V7 +@@ -1301,21 +1277,6 @@ + operation is received by a CPU before the ICIALLUIS has completed, + potentially leading to corrupted entries in the cache or TLB. + +-config PL310_ERRATA_753970 +- bool "PL310 errata: cache sync operation may be faulty" +- depends on CACHE_PL310 +- help +- This option enables the workaround for the 753970 PL310 (r3p0) erratum. +- +- Under some condition the effect of cache sync operation on +- the store buffer still remains when the operation completes. +- This means that the store buffer is always asked to drain and +- this prevents it from merging any further writes. The workaround +- is to replace the normal offset of cache sync operation (0x730) +- by another offset targeting an unmapped PL310 register 0x740. +- This has the same effect as the cache sync operation: store buffer +- drain and waiting for all buffers empty. +- + config ARM_ERRATA_754322 + bool "ARM errata: possible faulty MMU translations following an ASID switch" + depends on CPU_V7 +@@ -1364,18 +1325,6 @@ + relevant cache maintenance functions and sets a specific bit + in the diagnostic control register of the SCU. + +-config PL310_ERRATA_769419 +- bool "PL310 errata: no automatic Store Buffer drain" +- depends on CACHE_L2X0 +- help +- On revisions of the PL310 prior to r3p2, the Store Buffer does +- not automatically drain. This can cause normal, non-cacheable +- writes to be retained when the memory system is idle, leading +- to suboptimal I/O performance for drivers using coherent DMA. +- This option adds a write barrier to the cpu_idle loop so that, +- on systems with an outer cache, the store buffer is drained +- explicitly. +- + config ARM_ERRATA_775420 + bool "ARM errata: A data cache maintenance operation which aborts, might lead to deadlock" + depends on CPU_V7 +diff -Nur linux-3.15-rc6.orig/arch/arm/mach-berlin/berlin.c linux-3.15-rc6/arch/arm/mach-berlin/berlin.c +--- linux-3.15-rc6.orig/arch/arm/mach-berlin/berlin.c 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/arch/arm/mach-berlin/berlin.c 2014-05-23 11:26:48.256939874 +0200 +@@ -24,7 +24,7 @@ + * with DT probing for L2CCs, berlin_init_machine can be removed. + * Note: 88DE3005 (Armada 1500-mini) uses pl310 l2cc + */ +- l2x0_of_init(0x70c00000, 0xfeffffff); ++ l2x0_of_init(0x30c00000, 0xfeffffff); + of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL); + } + +diff -Nur linux-3.15-rc6.orig/arch/arm/mach-cns3xxx/core.c linux-3.15-rc6/arch/arm/mach-cns3xxx/core.c +--- linux-3.15-rc6.orig/arch/arm/mach-cns3xxx/core.c 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/arch/arm/mach-cns3xxx/core.c 2014-05-23 11:26:48.256939874 +0200 +@@ -272,9 +272,9 @@ + * + * 1 cycle of latency for setup, read and write accesses + */ +- val = readl(base + L2X0_TAG_LATENCY_CTRL); ++ val = readl(base + L310_TAG_LATENCY_CTRL); + val &= 0xfffff888; +- writel(val, base + L2X0_TAG_LATENCY_CTRL); ++ writel(val, base + L310_TAG_LATENCY_CTRL); + + /* + * Data RAM Control register +@@ -285,12 +285,12 @@ + * + * 1 cycle of latency for setup, read and write accesses + */ +- val = readl(base + L2X0_DATA_LATENCY_CTRL); ++ val = readl(base + L310_DATA_LATENCY_CTRL); + val &= 0xfffff888; +- writel(val, base + L2X0_DATA_LATENCY_CTRL); ++ writel(val, base + L310_DATA_LATENCY_CTRL); + + /* 32 KiB, 8-way, parity disable */ +- l2x0_init(base, 0x00540000, 0xfe000fff); ++ l2x0_init(base, 0x00500000, 0xfe0f0fff); + } + + #endif /* CONFIG_CACHE_L2X0 */ +diff -Nur linux-3.15-rc6.orig/arch/arm/mach-exynos/common.h linux-3.15-rc6/arch/arm/mach-exynos/common.h +--- linux-3.15-rc6.orig/arch/arm/mach-exynos/common.h 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/arch/arm/mach-exynos/common.h 2014-05-23 11:26:48.256939874 +0200 +@@ -55,7 +55,6 @@ + NUM_SYS_POWERDOWN, + }; + +-extern unsigned long l2x0_regs_phys; + struct exynos_pmu_conf { + void __iomem *reg; + unsigned int val[NUM_SYS_POWERDOWN]; +diff -Nur linux-3.15-rc6.orig/arch/arm/mach-exynos/exynos.c linux-3.15-rc6/arch/arm/mach-exynos/exynos.c +--- linux-3.15-rc6.orig/arch/arm/mach-exynos/exynos.c 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/arch/arm/mach-exynos/exynos.c 2014-05-23 11:26:48.256939874 +0200 +@@ -32,9 +32,6 @@ + #include "mfc.h" + #include "regs-pmu.h" + +-#define L2_AUX_VAL 0x7C470001 +-#define L2_AUX_MASK 0xC200ffff +- + static struct map_desc exynos4_iodesc[] __initdata = { + { + .virtual = (unsigned long)S3C_VA_SYS, +@@ -321,17 +318,7 @@ + + static int __init exynos4_l2x0_cache_init(void) + { +- int ret; +- +- ret = l2x0_of_init(L2_AUX_VAL, L2_AUX_MASK); +- if (ret) +- return ret; +- +- if (IS_ENABLED(CONFIG_S5P_SLEEP)) { +- l2x0_regs_phys = virt_to_phys(&l2x0_saved_regs); +- clean_dcache_area(&l2x0_regs_phys, sizeof(unsigned long)); +- } +- return 0; ++ return l2x0_of_init(0x3c400001, 0xc20fffff); + } + early_initcall(exynos4_l2x0_cache_init); + +diff -Nur linux-3.15-rc6.orig/arch/arm/mach-exynos/sleep.S linux-3.15-rc6/arch/arm/mach-exynos/sleep.S +--- linux-3.15-rc6.orig/arch/arm/mach-exynos/sleep.S 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/arch/arm/mach-exynos/sleep.S 2014-05-23 11:26:48.256939874 +0200 +@@ -16,8 +16,6 @@ + */ + + #include +-#include +-#include + + #define CPU_MASK 0xff0ffff0 + #define CPU_CORTEX_A9 0x410fc090 +@@ -53,33 +51,7 @@ + and r0, r0, r1 + ldr r1, =CPU_CORTEX_A9 + cmp r0, r1 +- bne skip_l2_resume +- adr r0, l2x0_regs_phys +- ldr r0, [r0] +- cmp r0, #0 +- beq skip_l2_resume +- ldr r1, [r0, #L2X0_R_PHY_BASE] +- ldr r2, [r1, #L2X0_CTRL] +- tst r2, #0x1 +- bne skip_l2_resume +- ldr r2, [r0, #L2X0_R_AUX_CTRL] +- str r2, [r1, #L2X0_AUX_CTRL] +- ldr r2, [r0, #L2X0_R_TAG_LATENCY] +- str r2, [r1, #L2X0_TAG_LATENCY_CTRL] +- ldr r2, [r0, #L2X0_R_DATA_LATENCY] +- str r2, [r1, #L2X0_DATA_LATENCY_CTRL] +- ldr r2, [r0, #L2X0_R_PREFETCH_CTRL] +- str r2, [r1, #L2X0_PREFETCH_CTRL] +- ldr r2, [r0, #L2X0_R_PWR_CTRL] +- str r2, [r1, #L2X0_POWER_CTRL] +- mov r2, #1 +- str r2, [r1, #L2X0_CTRL] +-skip_l2_resume: ++ bleq l2c310_early_resume + #endif + b cpu_resume + ENDPROC(exynos_cpu_resume) +-#ifdef CONFIG_CACHE_L2X0 +- .globl l2x0_regs_phys +-l2x0_regs_phys: +- .long 0 +-#endif +diff -Nur linux-3.15-rc6.orig/arch/arm/mach-highbank/highbank.c linux-3.15-rc6/arch/arm/mach-highbank/highbank.c +--- linux-3.15-rc6.orig/arch/arm/mach-highbank/highbank.c 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/arch/arm/mach-highbank/highbank.c 2014-05-23 11:26:48.256939874 +0200 +@@ -51,11 +51,13 @@ + } + + +-static void highbank_l2x0_disable(void) ++static void highbank_l2c310_write_sec(unsigned long val, unsigned reg) + { +- outer_flush_all(); +- /* Disable PL310 L2 Cache controller */ +- highbank_smc1(0x102, 0x0); ++ if (reg == L2X0_CTRL) ++ highbank_smc1(0x102, val); ++ else ++ WARN_ONCE(1, "Highbank L2C310: ignoring write to reg 0x%x\n", ++ reg); + } + + static void __init highbank_init_irq(void) +@@ -66,11 +68,9 @@ + highbank_scu_map_io(); + + /* Enable PL310 L2 Cache controller */ +- if (IS_ENABLED(CONFIG_CACHE_L2X0) && +- of_find_compatible_node(NULL, NULL, "arm,pl310-cache")) { +- highbank_smc1(0x102, 0x1); +- l2x0_of_init(0, ~0UL); +- outer_cache.disable = highbank_l2x0_disable; ++ if (IS_ENABLED(CONFIG_CACHE_L2X0)) { ++ outer_cache.write_sec = highbank_l2c310_write_sec; ++ l2x0_of_init(0, ~0); + } + } + +diff -Nur linux-3.15-rc6.orig/arch/arm/mach-imx/clk-pllv3.c linux-3.15-rc6/arch/arm/mach-imx/clk-pllv3.c +--- linux-3.15-rc6.orig/arch/arm/mach-imx/clk-pllv3.c 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/arch/arm/mach-imx/clk-pllv3.c 2014-05-23 11:26:48.256939874 +0200 +@@ -273,9 +273,10 @@ + struct clk_pllv3 *pll = to_clk_pllv3(hw); + unsigned long min_rate = parent_rate * 27; + unsigned long max_rate = parent_rate * 54; +- u32 val, div; ++ u32 val, newval, div; + u32 mfn, mfd = 1000000; + s64 temp64; ++ int ret; + + if (rate < min_rate || rate > max_rate) + return -EINVAL; +@@ -287,13 +288,27 @@ + mfn = temp64; + + val = readl_relaxed(pll->base); +- val &= ~pll->div_mask; +- val |= div; +- writel_relaxed(val, pll->base); ++ ++ /* set the PLL into bypass mode */ ++ newval = val | BM_PLL_BYPASS; ++ writel_relaxed(newval, pll->base); ++ ++ /* configure the new frequency */ ++ newval &= ~pll->div_mask; ++ newval |= div; ++ writel_relaxed(newval, pll->base); + writel_relaxed(mfn, pll->base + PLL_NUM_OFFSET); +- writel_relaxed(mfd, pll->base + PLL_DENOM_OFFSET); ++ writel(mfd, pll->base + PLL_DENOM_OFFSET); ++ ++ ret = clk_pllv3_wait_lock(pll); ++ if (ret == 0 && val & BM_PLL_POWER) { ++ /* only if it locked can we switch back to the PLL */ ++ newval &= ~BM_PLL_BYPASS; ++ newval |= val & BM_PLL_BYPASS; ++ writel(newval, pll->base); ++ } + +- return clk_pllv3_wait_lock(pll); ++ return ret; + } + + static const struct clk_ops clk_pllv3_av_ops = { +diff -Nur linux-3.15-rc6.orig/arch/arm/mach-imx/mach-vf610.c linux-3.15-rc6/arch/arm/mach-imx/mach-vf610.c +--- linux-3.15-rc6.orig/arch/arm/mach-imx/mach-vf610.c 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/arch/arm/mach-imx/mach-vf610.c 2014-05-23 11:26:48.256939874 +0200 +@@ -22,7 +22,7 @@ + + static void __init vf610_init_irq(void) + { +- l2x0_of_init(0, ~0UL); ++ l2x0_of_init(0, ~0); + irqchip_init(); + } + +diff -Nur linux-3.15-rc6.orig/arch/arm/mach-imx/suspend-imx6.S linux-3.15-rc6/arch/arm/mach-imx/suspend-imx6.S +--- linux-3.15-rc6.orig/arch/arm/mach-imx/suspend-imx6.S 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/arch/arm/mach-imx/suspend-imx6.S 2014-05-23 11:26:48.256939874 +0200 +@@ -334,28 +334,10 @@ + * turned into relative ones. + */ + +-#ifdef CONFIG_CACHE_L2X0 +- .macro pl310_resume +- adr r0, l2x0_saved_regs_offset +- ldr r2, [r0] +- add r2, r2, r0 +- ldr r0, [r2, #L2X0_R_PHY_BASE] @ get physical base of l2x0 +- ldr r1, [r2, #L2X0_R_AUX_CTRL] @ get aux_ctrl value +- str r1, [r0, #L2X0_AUX_CTRL] @ restore aux_ctrl +- mov r1, #0x1 +- str r1, [r0, #L2X0_CTRL] @ re-enable L2 +- .endm +- +-l2x0_saved_regs_offset: +- .word l2x0_saved_regs - . +- +-#else +- .macro pl310_resume +- .endm +-#endif +- + ENTRY(v7_cpu_resume) + bl v7_invalidate_l1 +- pl310_resume ++#ifdef CONFIG_CACHE_L2X0 ++ bl l2c310_early_resume ++#endif + b cpu_resume + ENDPROC(v7_cpu_resume) +diff -Nur linux-3.15-rc6.orig/arch/arm/mach-imx/system.c linux-3.15-rc6/arch/arm/mach-imx/system.c +--- linux-3.15-rc6.orig/arch/arm/mach-imx/system.c 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/arch/arm/mach-imx/system.c 2014-05-23 11:26:48.260939887 +0200 +@@ -124,7 +124,7 @@ + } + + /* Configure the L2 PREFETCH and POWER registers */ +- val = readl_relaxed(l2x0_base + L2X0_PREFETCH_CTRL); ++ val = readl_relaxed(l2x0_base + L310_PREFETCH_CTRL); + val |= 0x70800000; + /* + * The L2 cache controller(PL310) version on the i.MX6D/Q is r3p1-50rel0 +@@ -137,14 +137,12 @@ + */ + if (cpu_is_imx6q()) + val &= ~(1 << 30 | 1 << 23); +- writel_relaxed(val, l2x0_base + L2X0_PREFETCH_CTRL); +- val = L2X0_DYNAMIC_CLK_GATING_EN | L2X0_STNDBY_MODE_EN; +- writel_relaxed(val, l2x0_base + L2X0_POWER_CTRL); ++ writel_relaxed(val, l2x0_base + L310_PREFETCH_CTRL); + + iounmap(l2x0_base); + of_node_put(np); + + out: +- l2x0_of_init(0, ~0UL); ++ l2x0_of_init(0, ~0); + } + #endif +diff -Nur linux-3.15-rc6.orig/arch/arm/mach-mvebu/board-v7.c linux-3.15-rc6/arch/arm/mach-mvebu/board-v7.c +--- linux-3.15-rc6.orig/arch/arm/mach-mvebu/board-v7.c 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/arch/arm/mach-mvebu/board-v7.c 2014-05-23 11:26:48.260939887 +0200 +@@ -60,7 +60,7 @@ + coherency_init(); + BUG_ON(mvebu_mbus_dt_init()); + #ifdef CONFIG_CACHE_L2X0 +- l2x0_of_init(0, ~0UL); ++ l2x0_of_init(0, ~0); + #endif + + if (of_machine_is_compatible("marvell,armada375")) +diff -Nur linux-3.15-rc6.orig/arch/arm/mach-nomadik/cpu-8815.c linux-3.15-rc6/arch/arm/mach-nomadik/cpu-8815.c +--- linux-3.15-rc6.orig/arch/arm/mach-nomadik/cpu-8815.c 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/arch/arm/mach-nomadik/cpu-8815.c 2014-05-23 11:26:48.260939887 +0200 +@@ -147,7 +147,7 @@ + { + #ifdef CONFIG_CACHE_L2X0 + /* At full speed latency must be >=2, so 0x249 in low bits */ +- l2x0_of_init(0x00730249, 0xfe000fff); ++ l2x0_of_init(0x00700249, 0xfe0fefff); + #endif + of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL); + } +diff -Nur linux-3.15-rc6.orig/arch/arm/mach-omap2/common.h linux-3.15-rc6/arch/arm/mach-omap2/common.h +--- linux-3.15-rc6.orig/arch/arm/mach-omap2/common.h 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/arch/arm/mach-omap2/common.h 2014-05-23 11:26:48.260939887 +0200 +@@ -91,6 +91,7 @@ + extern void omap3_secure_sync32k_timer_init(void); + extern void omap3_gptimer_timer_init(void); + extern void omap4_local_timer_init(void); ++int omap_l2_cache_init(void); + extern void omap5_realtime_timer_init(void); + + void omap2420_init_early(void); +diff -Nur linux-3.15-rc6.orig/arch/arm/mach-omap2/io.c linux-3.15-rc6/arch/arm/mach-omap2/io.c +--- linux-3.15-rc6.orig/arch/arm/mach-omap2/io.c 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/arch/arm/mach-omap2/io.c 2014-05-23 11:26:48.260939887 +0200 +@@ -609,6 +609,7 @@ + am43xx_clockdomains_init(); + am43xx_hwmod_init(); + omap_hwmod_init_postsetup(); ++ omap_l2_cache_init(); + omap_clk_soc_init = am43xx_dt_clk_init; + } + +@@ -640,6 +641,7 @@ + omap44xx_clockdomains_init(); + omap44xx_hwmod_init(); + omap_hwmod_init_postsetup(); ++ omap_l2_cache_init(); + omap_clk_soc_init = omap4xxx_dt_clk_init; + } + +diff -Nur linux-3.15-rc6.orig/arch/arm/mach-omap2/Kconfig linux-3.15-rc6/arch/arm/mach-omap2/Kconfig +--- linux-3.15-rc6.orig/arch/arm/mach-omap2/Kconfig 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/arch/arm/mach-omap2/Kconfig 2014-05-23 11:26:48.260939887 +0200 +@@ -65,6 +65,7 @@ + select ARCH_HAS_OPP + select ARM_GIC + select MACH_OMAP_GENERIC ++ select MIGHT_HAVE_CACHE_L2X0 + + config SOC_DRA7XX + bool "TI DRA7XX" +diff -Nur linux-3.15-rc6.orig/arch/arm/mach-omap2/omap4-common.c linux-3.15-rc6/arch/arm/mach-omap2/omap4-common.c +--- linux-3.15-rc6.orig/arch/arm/mach-omap2/omap4-common.c 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/arch/arm/mach-omap2/omap4-common.c 2014-05-23 11:26:48.260939887 +0200 +@@ -167,75 +167,57 @@ + return l2cache_base; + } + +-static void omap4_l2x0_disable(void) ++static void omap4_l2c310_write_sec(unsigned long val, unsigned reg) + { +- outer_flush_all(); +- /* Disable PL310 L2 Cache controller */ +- omap_smc1(0x102, 0x0); +-} ++ unsigned smc_op; + +-static void omap4_l2x0_set_debug(unsigned long val) +-{ +- /* Program PL310 L2 Cache controller debug register */ +- omap_smc1(0x100, val); ++ switch (reg) { ++ case L2X0_CTRL: ++ smc_op = OMAP4_MON_L2X0_CTRL_INDEX; ++ break; ++ ++ case L2X0_AUX_CTRL: ++ smc_op = OMAP4_MON_L2X0_AUXCTRL_INDEX; ++ break; ++ ++ case L2X0_DEBUG_CTRL: ++ smc_op = OMAP4_MON_L2X0_DBG_CTRL_INDEX; ++ break; ++ ++ case L310_PREFETCH_CTRL: ++ smc_op = OMAP4_MON_L2X0_PREFETCH_INDEX; ++ break; ++ ++ default: ++ WARN_ONCE(1, "OMAP L2C310: ignoring write to reg 0x%x\n", reg); ++ return; ++ } ++ ++ omap_smc1(smc_op, val); + } + +-static int __init omap_l2_cache_init(void) ++int __init omap_l2_cache_init(void) + { +- u32 aux_ctrl = 0; +- +- /* +- * To avoid code running on other OMAPs in +- * multi-omap builds +- */ +- if (!cpu_is_omap44xx()) +- return -ENODEV; ++ u32 aux_ctrl; + + /* Static mapping, never released */ + l2cache_base = ioremap(OMAP44XX_L2CACHE_BASE, SZ_4K); + if (WARN_ON(!l2cache_base)) + return -ENOMEM; + +- /* +- * 16-way associativity, parity disabled +- * Way size - 32KB (es1.0) +- * Way size - 64KB (es2.0 +) +- */ +- aux_ctrl = ((1 << L2X0_AUX_CTRL_ASSOCIATIVITY_SHIFT) | +- (0x1 << 25) | +- (0x1 << L2X0_AUX_CTRL_NS_LOCKDOWN_SHIFT) | +- (0x1 << L2X0_AUX_CTRL_NS_INT_CTRL_SHIFT)); +- +- if (omap_rev() == OMAP4430_REV_ES1_0) { +- aux_ctrl |= 0x2 << L2X0_AUX_CTRL_WAY_SIZE_SHIFT; +- } else { +- aux_ctrl |= ((0x3 << L2X0_AUX_CTRL_WAY_SIZE_SHIFT) | +- (1 << L2X0_AUX_CTRL_SHARE_OVERRIDE_SHIFT) | +- (1 << L2X0_AUX_CTRL_DATA_PREFETCH_SHIFT) | +- (1 << L2X0_AUX_CTRL_INSTR_PREFETCH_SHIFT) | +- (1 << L2X0_AUX_CTRL_EARLY_BRESP_SHIFT)); +- } +- if (omap_rev() != OMAP4430_REV_ES1_0) +- omap_smc1(0x109, aux_ctrl); +- +- /* Enable PL310 L2 Cache controller */ +- omap_smc1(0x102, 0x1); ++ /* 16-way associativity, parity disabled, way size - 64KB (es2.0 +) */ ++ aux_ctrl = L2C_AUX_CTRL_SHARED_OVERRIDE | ++ L310_AUX_CTRL_DATA_PREFETCH | ++ L310_AUX_CTRL_INSTR_PREFETCH; + ++ outer_cache.write_sec = omap4_l2c310_write_sec; + if (of_have_populated_dt()) +- l2x0_of_init(aux_ctrl, L2X0_AUX_CTRL_MASK); ++ l2x0_of_init(aux_ctrl, 0xcf9fffff); + else +- l2x0_init(l2cache_base, aux_ctrl, L2X0_AUX_CTRL_MASK); +- +- /* +- * Override default outer_cache.disable with a OMAP4 +- * specific one +- */ +- outer_cache.disable = omap4_l2x0_disable; +- outer_cache.set_debug = omap4_l2x0_set_debug; ++ l2x0_init(l2cache_base, aux_ctrl, 0xcf9fffff); + + return 0; + } +-omap_early_initcall(omap_l2_cache_init); + #endif + + void __iomem *omap4_get_sar_ram_base(void) +diff -Nur linux-3.15-rc6.orig/arch/arm/mach-omap2/omap-mpuss-lowpower.c linux-3.15-rc6/arch/arm/mach-omap2/omap-mpuss-lowpower.c +--- linux-3.15-rc6.orig/arch/arm/mach-omap2/omap-mpuss-lowpower.c 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/arch/arm/mach-omap2/omap-mpuss-lowpower.c 2014-05-23 11:26:48.268939913 +0200 +@@ -187,19 +187,15 @@ + * in every restore MPUSS OFF path. + */ + #ifdef CONFIG_CACHE_L2X0 +-static void save_l2x0_context(void) ++static void __init save_l2x0_context(void) + { +- u32 val; +- void __iomem *l2x0_base = omap4_get_l2cache_base(); +- if (l2x0_base) { +- val = __raw_readl(l2x0_base + L2X0_AUX_CTRL); +- __raw_writel(val, sar_base + L2X0_AUXCTRL_OFFSET); +- val = __raw_readl(l2x0_base + L2X0_PREFETCH_CTRL); +- __raw_writel(val, sar_base + L2X0_PREFETCH_CTRL_OFFSET); +- } ++ __raw_writel(l2x0_saved_regs.aux_ctrl, ++ sar_base + L2X0_AUXCTRL_OFFSET); ++ __raw_writel(l2x0_saved_regs.prefetch_ctrl, ++ sar_base + L2X0_PREFETCH_CTRL_OFFSET); + } + #else +-static void save_l2x0_context(void) ++static void __init save_l2x0_context(void) + {} + #endif + +diff -Nur linux-3.15-rc6.orig/arch/arm/mach-prima2/l2x0.c linux-3.15-rc6/arch/arm/mach-prima2/l2x0.c +--- linux-3.15-rc6.orig/arch/arm/mach-prima2/l2x0.c 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/arch/arm/mach-prima2/l2x0.c 2014-05-23 11:26:48.268939913 +0200 +@@ -8,42 +8,10 @@ + + #include + #include +-#include + #include + +-struct l2x0_aux { +- u32 val; +- u32 mask; +-}; +- +-static const struct l2x0_aux prima2_l2x0_aux __initconst = { +- .val = 2 << L2X0_AUX_CTRL_WAY_SIZE_SHIFT, +- .mask = 0, +-}; +- +-static const struct l2x0_aux marco_l2x0_aux __initconst = { +- .val = (2 << L2X0_AUX_CTRL_WAY_SIZE_SHIFT) | +- (1 << L2X0_AUX_CTRL_ASSOCIATIVITY_SHIFT), +- .mask = L2X0_AUX_CTRL_MASK, +-}; +- +-static const struct of_device_id sirf_l2x0_ids[] __initconst = { +- { .compatible = "sirf,prima2-pl310-cache", .data = &prima2_l2x0_aux, }, +- { .compatible = "sirf,marco-pl310-cache", .data = &marco_l2x0_aux, }, +- {}, +-}; +- + static int __init sirfsoc_l2x0_init(void) + { +- struct device_node *np; +- const struct l2x0_aux *aux; +- +- np = of_find_matching_node(NULL, sirf_l2x0_ids); +- if (np) { +- aux = of_match_node(sirf_l2x0_ids, np)->data; +- return l2x0_of_init(aux->val, aux->mask); +- } +- +- return 0; ++ return l2x0_of_init(0, ~0); + } + early_initcall(sirfsoc_l2x0_init); +diff -Nur linux-3.15-rc6.orig/arch/arm/mach-prima2/pm.c linux-3.15-rc6/arch/arm/mach-prima2/pm.c +--- linux-3.15-rc6.orig/arch/arm/mach-prima2/pm.c 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/arch/arm/mach-prima2/pm.c 2014-05-23 11:26:48.268939913 +0200 +@@ -71,7 +71,6 @@ + case PM_SUSPEND_MEM: + sirfsoc_pre_suspend_power_off(); + +- outer_flush_all(); + outer_disable(); + /* go zzz */ + cpu_suspend(0, sirfsoc_finish_suspend); +diff -Nur linux-3.15-rc6.orig/arch/arm/mach-realview/realview_eb.c linux-3.15-rc6/arch/arm/mach-realview/realview_eb.c +--- linux-3.15-rc6.orig/arch/arm/mach-realview/realview_eb.c 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/arch/arm/mach-realview/realview_eb.c 2014-05-23 11:26:48.268939913 +0200 +@@ -442,8 +442,13 @@ + realview_eb11mp_fixup(); + + #ifdef CONFIG_CACHE_L2X0 +- /* 1MB (128KB/way), 8-way associativity, evmon/parity/share enabled +- * Bits: .... ...0 0111 1001 0000 .... .... .... */ ++ /* ++ * The PL220 needs to be manually configured as the hardware ++ * doesn't report the correct sizes. ++ * 1MB (128KB/way), 8-way associativity, event monitor and ++ * parity enabled, ignore share bit, no force write allocate ++ * Bits: .... ...0 0111 1001 0000 .... .... .... ++ */ + l2x0_init(__io_address(REALVIEW_EB11MP_L220_BASE), 0x00790000, 0xfe000fff); + #endif + platform_device_register(&pmu_device); +diff -Nur linux-3.15-rc6.orig/arch/arm/mach-realview/realview_pb1176.c linux-3.15-rc6/arch/arm/mach-realview/realview_pb1176.c +--- linux-3.15-rc6.orig/arch/arm/mach-realview/realview_pb1176.c 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/arch/arm/mach-realview/realview_pb1176.c 2014-05-23 11:26:48.268939913 +0200 +@@ -355,7 +355,13 @@ + int i; + + #ifdef CONFIG_CACHE_L2X0 +- /* 128Kb (16Kb/way) 8-way associativity. evmon/parity/share enabled. */ ++ /* ++ * The PL220 needs to be manually configured as the hardware ++ * doesn't report the correct sizes. ++ * 128kB (16kB/way), 8-way associativity, event monitor and ++ * parity enabled, ignore share bit, no force write allocate ++ * Bits: .... ...0 0111 0011 0000 .... .... .... ++ */ + l2x0_init(__io_address(REALVIEW_PB1176_L220_BASE), 0x00730000, 0xfe000fff); + #endif + +diff -Nur linux-3.15-rc6.orig/arch/arm/mach-realview/realview_pb11mp.c linux-3.15-rc6/arch/arm/mach-realview/realview_pb11mp.c +--- linux-3.15-rc6.orig/arch/arm/mach-realview/realview_pb11mp.c 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/arch/arm/mach-realview/realview_pb11mp.c 2014-05-23 11:26:48.268939913 +0200 +@@ -337,8 +337,13 @@ + int i; + + #ifdef CONFIG_CACHE_L2X0 +- /* 1MB (128KB/way), 8-way associativity, evmon/parity/share enabled +- * Bits: .... ...0 0111 1001 0000 .... .... .... */ ++ /* ++ * The PL220 needs to be manually configured as the hardware ++ * doesn't report the correct sizes. ++ * 1MB (128KB/way), 8-way associativity, event monitor and ++ * parity enabled, ignore share bit, no force write allocate ++ * Bits: .... ...0 0111 1001 0000 .... .... .... ++ */ + l2x0_init(__io_address(REALVIEW_TC11MP_L220_BASE), 0x00790000, 0xfe000fff); + #endif + +diff -Nur linux-3.15-rc6.orig/arch/arm/mach-realview/realview_pbx.c linux-3.15-rc6/arch/arm/mach-realview/realview_pbx.c +--- linux-3.15-rc6.orig/arch/arm/mach-realview/realview_pbx.c 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/arch/arm/mach-realview/realview_pbx.c 2014-05-23 11:26:48.268939913 +0200 +@@ -370,8 +370,8 @@ + __io_address(REALVIEW_PBX_TILE_L220_BASE); + + /* set RAM latencies to 1 cycle for eASIC */ +- writel(0, l2x0_base + L2X0_TAG_LATENCY_CTRL); +- writel(0, l2x0_base + L2X0_DATA_LATENCY_CTRL); ++ writel(0, l2x0_base + L310_TAG_LATENCY_CTRL); ++ writel(0, l2x0_base + L310_DATA_LATENCY_CTRL); + + /* 16KB way size, 8-way associativity, parity disabled + * Bits: .. 0 0 0 0 1 00 1 0 1 001 0 000 0 .... .... .... */ +diff -Nur linux-3.15-rc6.orig/arch/arm/mach-rockchip/rockchip.c linux-3.15-rc6/arch/arm/mach-rockchip/rockchip.c +--- linux-3.15-rc6.orig/arch/arm/mach-rockchip/rockchip.c 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/arch/arm/mach-rockchip/rockchip.c 2014-05-23 11:26:48.268939913 +0200 +@@ -26,7 +26,7 @@ + + static void __init rockchip_dt_init(void) + { +- l2x0_of_init(0, ~0UL); ++ l2x0_of_init(0, ~0); + of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL); + } + +diff -Nur linux-3.15-rc6.orig/arch/arm/mach-shmobile/board-armadillo800eva.c linux-3.15-rc6/arch/arm/mach-shmobile/board-armadillo800eva.c +--- linux-3.15-rc6.orig/arch/arm/mach-shmobile/board-armadillo800eva.c 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/arch/arm/mach-shmobile/board-armadillo800eva.c 2014-05-23 11:26:48.272939927 +0200 +@@ -1271,8 +1271,8 @@ + + + #ifdef CONFIG_CACHE_L2X0 +- /* Early BRESP enable, Shared attribute override enable, 32K*8way */ +- l2x0_init(IOMEM(0xf0002000), 0x40440000, 0x82000fff); ++ /* Shared attribute override enable, 32K*8way */ ++ l2x0_init(IOMEM(0xf0002000), 0x00400000, 0xc20f0fff); + #endif + + i2c_register_board_info(0, i2c0_devices, ARRAY_SIZE(i2c0_devices)); +diff -Nur linux-3.15-rc6.orig/arch/arm/mach-shmobile/board-armadillo800eva-reference.c linux-3.15-rc6/arch/arm/mach-shmobile/board-armadillo800eva-reference.c +--- linux-3.15-rc6.orig/arch/arm/mach-shmobile/board-armadillo800eva-reference.c 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/arch/arm/mach-shmobile/board-armadillo800eva-reference.c 2014-05-23 11:26:48.272939927 +0200 +@@ -164,8 +164,8 @@ + r8a7740_meram_workaround(); + + #ifdef CONFIG_CACHE_L2X0 +- /* Early BRESP enable, Shared attribute override enable, 32K*8way */ +- l2x0_init(IOMEM(0xf0002000), 0x40440000, 0x82000fff); ++ /* Shared attribute override enable, 32K*8way */ ++ l2x0_init(IOMEM(0xf0002000), 0x00400000, 0xc20f0fff); + #endif + + r8a7740_add_standard_devices_dt(); +diff -Nur linux-3.15-rc6.orig/arch/arm/mach-shmobile/board-kzm9g.c linux-3.15-rc6/arch/arm/mach-shmobile/board-kzm9g.c +--- linux-3.15-rc6.orig/arch/arm/mach-shmobile/board-kzm9g.c 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/arch/arm/mach-shmobile/board-kzm9g.c 2014-05-23 11:26:48.272939927 +0200 +@@ -876,8 +876,8 @@ + gpio_request_one(223, GPIOF_IN, NULL); /* IRQ8 */ + + #ifdef CONFIG_CACHE_L2X0 +- /* Early BRESP enable, Shared attribute override enable, 64K*8way */ +- l2x0_init(IOMEM(0xf0100000), 0x40460000, 0x82000fff); ++ /* Shared attribute override enable, 64K*8way */ ++ l2x0_init(IOMEM(0xf0100000), 0x00400000, 0xc20f0fff); + #endif + + i2c_register_board_info(0, i2c0_devices, ARRAY_SIZE(i2c0_devices)); +diff -Nur linux-3.15-rc6.orig/arch/arm/mach-shmobile/board-kzm9g-reference.c linux-3.15-rc6/arch/arm/mach-shmobile/board-kzm9g-reference.c +--- linux-3.15-rc6.orig/arch/arm/mach-shmobile/board-kzm9g-reference.c 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/arch/arm/mach-shmobile/board-kzm9g-reference.c 2014-05-23 11:26:48.272939927 +0200 +@@ -36,8 +36,8 @@ + sh73a0_add_standard_devices_dt(); + + #ifdef CONFIG_CACHE_L2X0 +- /* Early BRESP enable, Shared attribute override enable, 64K*8way */ +- l2x0_init(IOMEM(0xf0100000), 0x40460000, 0x82000fff); ++ /* Shared attribute override enable, 64K*8way */ ++ l2x0_init(IOMEM(0xf0100000), 0x00400000, 0xc20f0fff); + #endif + } + +diff -Nur linux-3.15-rc6.orig/arch/arm/mach-shmobile/setup-r8a7778.c linux-3.15-rc6/arch/arm/mach-shmobile/setup-r8a7778.c +--- linux-3.15-rc6.orig/arch/arm/mach-shmobile/setup-r8a7778.c 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/arch/arm/mach-shmobile/setup-r8a7778.c 2014-05-23 11:26:48.272939927 +0200 +@@ -298,10 +298,10 @@ + void __iomem *base = ioremap_nocache(0xf0100000, 0x1000); + if (base) { + /* +- * Early BRESP enable, Shared attribute override enable, 64K*16way ++ * Shared attribute override enable, 64K*16way + * don't call iounmap(base) + */ +- l2x0_init(base, 0x40470000, 0x82000fff); ++ l2x0_init(base, 0x00400000, 0xc20f0fff); + } + #endif + +diff -Nur linux-3.15-rc6.orig/arch/arm/mach-shmobile/setup-r8a7779.c linux-3.15-rc6/arch/arm/mach-shmobile/setup-r8a7779.c +--- linux-3.15-rc6.orig/arch/arm/mach-shmobile/setup-r8a7779.c 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/arch/arm/mach-shmobile/setup-r8a7779.c 2014-05-23 11:26:48.272939927 +0200 +@@ -700,8 +700,8 @@ + void __init r8a7779_add_standard_devices(void) + { + #ifdef CONFIG_CACHE_L2X0 +- /* Early BRESP enable, Shared attribute override enable, 64K*16way */ +- l2x0_init(IOMEM(0xf0100000), 0x40470000, 0x82000fff); ++ /* Shared attribute override enable, 64K*16way */ ++ l2x0_init(IOMEM(0xf0100000), 0x00400000, 0xc20f0fff); + #endif + r8a7779_pm_init(); + +diff -Nur linux-3.15-rc6.orig/arch/arm/mach-socfpga/socfpga.c linux-3.15-rc6/arch/arm/mach-socfpga/socfpga.c +--- linux-3.15-rc6.orig/arch/arm/mach-socfpga/socfpga.c 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/arch/arm/mach-socfpga/socfpga.c 2014-05-23 11:26:48.272939927 +0200 +@@ -100,7 +100,7 @@ + + static void __init socfpga_cyclone5_init(void) + { +- l2x0_of_init(0, ~0UL); ++ l2x0_of_init(0, ~0); + of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL); + } + +diff -Nur linux-3.15-rc6.orig/arch/arm/mach-spear/platsmp.c linux-3.15-rc6/arch/arm/mach-spear/platsmp.c +--- linux-3.15-rc6.orig/arch/arm/mach-spear/platsmp.c 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/arch/arm/mach-spear/platsmp.c 2014-05-23 11:26:48.272939927 +0200 +@@ -20,6 +20,18 @@ + #include + #include "generic.h" + ++/* ++ * Write pen_release in a way that is guaranteed to be visible to all ++ * observers, irrespective of whether they're taking part in coherency ++ * or not. This is necessary for the hotplug code to work reliably. ++ */ ++static void write_pen_release(int val) ++{ ++ pen_release = val; ++ smp_wmb(); ++ sync_cache_w(&pen_release); ++} ++ + static DEFINE_SPINLOCK(boot_lock); + + static void __iomem *scu_base = IOMEM(VA_SCU_BASE); +@@ -30,8 +42,7 @@ + * let the primary processor know we're out of the + * pen, then head off into the C entry point + */ +- pen_release = -1; +- smp_wmb(); ++ write_pen_release(-1); + + /* + * Synchronise with the boot thread. +@@ -58,9 +69,7 @@ + * Note that "pen_release" is the hardware CPU ID, whereas + * "cpu" is Linux's internal ID. + */ +- pen_release = cpu; +- flush_cache_all(); +- outer_flush_all(); ++ write_pen_release(cpu); + + timeout = jiffies + (1 * HZ); + while (time_before(jiffies, timeout)) { +diff -Nur linux-3.15-rc6.orig/arch/arm/mach-spear/spear13xx.c linux-3.15-rc6/arch/arm/mach-spear/spear13xx.c +--- linux-3.15-rc6.orig/arch/arm/mach-spear/spear13xx.c 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/arch/arm/mach-spear/spear13xx.c 2014-05-23 11:26:48.272939927 +0200 +@@ -38,15 +38,15 @@ + if (!IS_ENABLED(CONFIG_CACHE_L2X0)) + return; + +- writel_relaxed(0x06, VA_L2CC_BASE + L2X0_PREFETCH_CTRL); ++ writel_relaxed(0x06, VA_L2CC_BASE + L310_PREFETCH_CTRL); + + /* + * Program following latencies in order to make + * SPEAr1340 work at 600 MHz + */ +- writel_relaxed(0x221, VA_L2CC_BASE + L2X0_TAG_LATENCY_CTRL); +- writel_relaxed(0x441, VA_L2CC_BASE + L2X0_DATA_LATENCY_CTRL); +- l2x0_init(VA_L2CC_BASE, 0x70A60001, 0xfe00ffff); ++ writel_relaxed(0x221, VA_L2CC_BASE + L310_TAG_LATENCY_CTRL); ++ writel_relaxed(0x441, VA_L2CC_BASE + L310_DATA_LATENCY_CTRL); ++ l2x0_init(VA_L2CC_BASE, 0x30a00001, 0xfe0fffff); + } + + /* +diff -Nur linux-3.15-rc6.orig/arch/arm/mach-sti/board-dt.c linux-3.15-rc6/arch/arm/mach-sti/board-dt.c +--- linux-3.15-rc6.orig/arch/arm/mach-sti/board-dt.c 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/arch/arm/mach-sti/board-dt.c 2014-05-23 11:26:48.272939927 +0200 +@@ -16,15 +16,9 @@ + + void __init stih41x_l2x0_init(void) + { +- u32 way_size = 0x4; +- u32 aux_ctrl; +- /* may be this can be encoded in macros like BIT*() */ +- aux_ctrl = (0x1 << L2X0_AUX_CTRL_SHARE_OVERRIDE_SHIFT) | +- (0x1 << L2X0_AUX_CTRL_DATA_PREFETCH_SHIFT) | +- (0x1 << L2X0_AUX_CTRL_INSTR_PREFETCH_SHIFT) | +- (way_size << L2X0_AUX_CTRL_WAY_SIZE_SHIFT); +- +- l2x0_of_init(aux_ctrl, L2X0_AUX_CTRL_MASK); ++ l2x0_of_init(L2C_AUX_CTRL_SHARED_OVERRIDE | ++ L310_AUX_CTRL_DATA_PREFETCH | ++ L310_AUX_CTRL_INSTR_PREFETCH, 0xc00f0fff); + } + + static void __init stih41x_machine_init(void) +diff -Nur linux-3.15-rc6.orig/arch/arm/mach-tegra/pm.h linux-3.15-rc6/arch/arm/mach-tegra/pm.h +--- linux-3.15-rc6.orig/arch/arm/mach-tegra/pm.h 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/arch/arm/mach-tegra/pm.h 2014-05-23 11:26:48.272939927 +0200 +@@ -35,8 +35,6 @@ + void tegra30_lp1_iram_hook(void); + void tegra30_sleep_core_init(void); + +-extern unsigned long l2x0_saved_regs_addr; +- + void tegra_clear_cpu_in_lp2(void); + bool tegra_set_cpu_in_lp2(void); + +diff -Nur linux-3.15-rc6.orig/arch/arm/mach-tegra/reset-handler.S linux-3.15-rc6/arch/arm/mach-tegra/reset-handler.S +--- linux-3.15-rc6.orig/arch/arm/mach-tegra/reset-handler.S 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/arch/arm/mach-tegra/reset-handler.S 2014-05-23 11:26:48.276939940 +0200 +@@ -19,7 +19,6 @@ + + #include + #include +-#include + + #include "flowctrl.h" + #include "fuse.h" +@@ -78,8 +77,10 @@ + str r1, [r0] + #endif + ++#ifdef CONFIG_CACHE_L2X0 + /* L2 cache resume & re-enable */ +- l2_cache_resume r0, r1, r2, l2x0_saved_regs_addr ++ bl l2c310_early_resume ++#endif + end_ca9_scu_l2_resume: + mov32 r9, 0xc0f + cmp r8, r9 +@@ -89,12 +90,6 @@ + ENDPROC(tegra_resume) + #endif + +-#ifdef CONFIG_CACHE_L2X0 +- .globl l2x0_saved_regs_addr +-l2x0_saved_regs_addr: +- .long 0 +-#endif +- + .align L1_CACHE_SHIFT + ENTRY(__tegra_cpu_reset_handler_start) + +diff -Nur linux-3.15-rc6.orig/arch/arm/mach-tegra/sleep.h linux-3.15-rc6/arch/arm/mach-tegra/sleep.h +--- linux-3.15-rc6.orig/arch/arm/mach-tegra/sleep.h 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/arch/arm/mach-tegra/sleep.h 2014-05-23 11:26:48.276939940 +0200 +@@ -120,37 +120,6 @@ + mov \tmp1, \tmp1, lsr #8 + .endm + +-/* Macro to resume & re-enable L2 cache */ +-#ifndef L2X0_CTRL_EN +-#define L2X0_CTRL_EN 1 +-#endif +- +-#ifdef CONFIG_CACHE_L2X0 +-.macro l2_cache_resume, tmp1, tmp2, tmp3, phys_l2x0_saved_regs +- W(adr) \tmp1, \phys_l2x0_saved_regs +- ldr \tmp1, [\tmp1] +- ldr \tmp2, [\tmp1, #L2X0_R_PHY_BASE] +- ldr \tmp3, [\tmp2, #L2X0_CTRL] +- tst \tmp3, #L2X0_CTRL_EN +- bne exit_l2_resume +- ldr \tmp3, [\tmp1, #L2X0_R_TAG_LATENCY] +- str \tmp3, [\tmp2, #L2X0_TAG_LATENCY_CTRL] +- ldr \tmp3, [\tmp1, #L2X0_R_DATA_LATENCY] +- str \tmp3, [\tmp2, #L2X0_DATA_LATENCY_CTRL] +- ldr \tmp3, [\tmp1, #L2X0_R_PREFETCH_CTRL] +- str \tmp3, [\tmp2, #L2X0_PREFETCH_CTRL] +- ldr \tmp3, [\tmp1, #L2X0_R_PWR_CTRL] +- str \tmp3, [\tmp2, #L2X0_POWER_CTRL] +- ldr \tmp3, [\tmp1, #L2X0_R_AUX_CTRL] +- str \tmp3, [\tmp2, #L2X0_AUX_CTRL] +- mov \tmp3, #L2X0_CTRL_EN +- str \tmp3, [\tmp2, #L2X0_CTRL] +-exit_l2_resume: +-.endm +-#else /* CONFIG_CACHE_L2X0 */ +-.macro l2_cache_resume, tmp1, tmp2, tmp3, phys_l2x0_saved_regs +-.endm +-#endif /* CONFIG_CACHE_L2X0 */ + #else + void tegra_pen_lock(void); + void tegra_pen_unlock(void); +diff -Nur linux-3.15-rc6.orig/arch/arm/mach-tegra/tegra.c linux-3.15-rc6/arch/arm/mach-tegra/tegra.c +--- linux-3.15-rc6.orig/arch/arm/mach-tegra/tegra.c 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/arch/arm/mach-tegra/tegra.c 2014-05-23 11:26:48.276939940 +0200 +@@ -73,27 +73,7 @@ + static void __init tegra_init_cache(void) + { + #ifdef CONFIG_CACHE_L2X0 +- static const struct of_device_id pl310_ids[] __initconst = { +- { .compatible = "arm,pl310-cache", }, +- {} +- }; +- +- struct device_node *np; +- int ret; +- void __iomem *p = IO_ADDRESS(TEGRA_ARM_PERIF_BASE) + 0x3000; +- u32 aux_ctrl, cache_type; +- +- np = of_find_matching_node(NULL, pl310_ids); +- if (!np) +- return; +- +- cache_type = readl(p + L2X0_CACHE_TYPE); +- aux_ctrl = (cache_type & 0x700) << (17-8); +- aux_ctrl |= 0x7C400001; +- +- ret = l2x0_of_init(aux_ctrl, 0x8200c3fe); +- if (!ret) +- l2x0_saved_regs_addr = virt_to_phys(&l2x0_saved_regs); ++ l2x0_of_init(0x3c400001, 0xc20fc3fe); + #endif + } + +diff -Nur linux-3.15-rc6.orig/arch/arm/mach-ux500/cache-l2x0.c linux-3.15-rc6/arch/arm/mach-ux500/cache-l2x0.c +--- linux-3.15-rc6.orig/arch/arm/mach-ux500/cache-l2x0.c 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/arch/arm/mach-ux500/cache-l2x0.c 2014-05-23 11:26:48.276939940 +0200 +@@ -35,10 +35,16 @@ + return 0; + } + +-static int __init ux500_l2x0_init(void) ++static void ux500_l2c310_write_sec(unsigned long val, unsigned reg) + { +- u32 aux_val = 0x3e000000; ++ /* ++ * We can't write to secure registers as we are in non-secure ++ * mode, until we have some SMI service available. ++ */ ++} + ++static int __init ux500_l2x0_init(void) ++{ + if (cpu_is_u8500_family() || cpu_is_ux540_family()) + l2x0_base = __io_address(U8500_L2CC_BASE); + else +@@ -48,28 +54,12 @@ + /* Unlock before init */ + ux500_l2x0_unlock(); + +- /* DBx540's L2 has 128KB way size */ +- if (cpu_is_ux540_family()) +- /* 128KB way size */ +- aux_val |= (0x4 << L2X0_AUX_CTRL_WAY_SIZE_SHIFT); +- else +- /* 64KB way size */ +- aux_val |= (0x3 << L2X0_AUX_CTRL_WAY_SIZE_SHIFT); ++ outer_cache.write_sec = ux500_l2c310_write_sec; + +- /* 64KB way size, 8 way associativity, force WA */ + if (of_have_populated_dt()) +- l2x0_of_init(aux_val, 0xc0000fff); ++ l2x0_of_init(0, ~0); + else +- l2x0_init(l2x0_base, aux_val, 0xc0000fff); +- +- /* +- * We can't disable l2 as we are in non secure mode, currently +- * this seems be called only during kexec path. So let's +- * override outer.disable with nasty assignment until we have +- * some SMI service available. +- */ +- outer_cache.disable = NULL; +- outer_cache.set_debug = NULL; ++ l2x0_init(l2x0_base, 0, ~0); + + return 0; + } +diff -Nur linux-3.15-rc6.orig/arch/arm/mach-vexpress/ct-ca9x4.c linux-3.15-rc6/arch/arm/mach-vexpress/ct-ca9x4.c +--- linux-3.15-rc6.orig/arch/arm/mach-vexpress/ct-ca9x4.c 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/arch/arm/mach-vexpress/ct-ca9x4.c 2014-05-23 11:26:48.276939940 +0200 +@@ -45,6 +45,23 @@ + iotable_init(ct_ca9x4_io_desc, ARRAY_SIZE(ct_ca9x4_io_desc)); + } + ++static void __init ca9x4_l2_init(void) ++{ ++#ifdef CONFIG_CACHE_L2X0 ++ void __iomem *l2x0_base = ioremap(CT_CA9X4_L2CC, SZ_4K); ++ ++ if (l2x0_base) { ++ /* set RAM latencies to 1 cycle for this core tile. */ ++ writel(0, l2x0_base + L310_TAG_LATENCY_CTRL); ++ writel(0, l2x0_base + L310_DATA_LATENCY_CTRL); ++ ++ l2x0_init(l2x0_base, 0x00400000, 0xfe0fffff); ++ } else { ++ pr_err("L2C: unable to map L2 cache controller\n"); ++ } ++#endif ++} ++ + #ifdef CONFIG_HAVE_ARM_TWD + static DEFINE_TWD_LOCAL_TIMER(twd_local_timer, A9_MPCORE_TWD, IRQ_LOCALTIMER); + +@@ -63,6 +80,7 @@ + gic_init(0, 29, ioremap(A9_MPCORE_GIC_DIST, SZ_4K), + ioremap(A9_MPCORE_GIC_CPU, SZ_256)); + ca9x4_twd_init(); ++ ca9x4_l2_init(); + } + + static int ct_ca9x4_clcd_setup(struct clcd_fb *fb) +@@ -141,16 +159,6 @@ + { + int i; + +-#ifdef CONFIG_CACHE_L2X0 +- void __iomem *l2x0_base = ioremap(CT_CA9X4_L2CC, SZ_4K); +- +- /* set RAM latencies to 1 cycle for this core tile. */ +- writel(0, l2x0_base + L2X0_TAG_LATENCY_CTRL); +- writel(0, l2x0_base + L2X0_DATA_LATENCY_CTRL); +- +- l2x0_init(l2x0_base, 0x00400000, 0xfe0fffff); +-#endif +- + for (i = 0; i < ARRAY_SIZE(ct_ca9x4_amba_devs); i++) + amba_device_register(ct_ca9x4_amba_devs[i], &iomem_resource); + +diff -Nur linux-3.15-rc6.orig/arch/arm/mach-zynq/common.c linux-3.15-rc6/arch/arm/mach-zynq/common.c +--- linux-3.15-rc6.orig/arch/arm/mach-zynq/common.c 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/arch/arm/mach-zynq/common.c 2014-05-23 11:26:48.276939940 +0200 +@@ -70,7 +70,7 @@ + /* + * 64KB way size, 8-way associativity, parity disabled + */ +- l2x0_of_init(0x02060000, 0xF0F0FFFF); ++ l2x0_of_init(0x02000000, 0xf0ffffff); + + of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL); + +diff -Nur linux-3.15-rc6.orig/arch/arm/mm/cache-feroceon-l2.c linux-3.15-rc6/arch/arm/mm/cache-feroceon-l2.c +--- linux-3.15-rc6.orig/arch/arm/mm/cache-feroceon-l2.c 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/arch/arm/mm/cache-feroceon-l2.c 2014-05-23 11:26:48.280939953 +0200 +@@ -350,7 +350,6 @@ + outer_cache.inv_range = feroceon_l2_inv_range; + outer_cache.clean_range = feroceon_l2_clean_range; + outer_cache.flush_range = feroceon_l2_flush_range; +- outer_cache.inv_all = l2_inv_all; + + enable_l2(); + +diff -Nur linux-3.15-rc6.orig/arch/arm/mm/cache-l2x0.c linux-3.15-rc6/arch/arm/mm/cache-l2x0.c +--- linux-3.15-rc6.orig/arch/arm/mm/cache-l2x0.c 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/arch/arm/mm/cache-l2x0.c 2014-05-23 11:26:48.280939953 +0200 +@@ -16,18 +16,33 @@ + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ ++#include + #include + #include ++#include + #include + #include + #include + #include + + #include ++#include ++#include + #include + #include "cache-tauros3.h" + #include "cache-aurora-l2.h" + ++struct l2c_init_data { ++ const char *type; ++ unsigned way_size_0; ++ unsigned num_lock; ++ void (*of_parse)(const struct device_node *, u32 *, u32 *); ++ void (*enable)(void __iomem *, u32, unsigned); ++ void (*fixup)(void __iomem *, u32, struct outer_cache_fns *); ++ void (*save)(void __iomem *); ++ struct outer_cache_fns outer_cache; ++}; ++ + #define CACHE_LINE_SIZE 32 + + static void __iomem *l2x0_base; +@@ -36,96 +51,116 @@ + static u32 l2x0_size; + static unsigned long sync_reg_offset = L2X0_CACHE_SYNC; + +-/* Aurora don't have the cache ID register available, so we have to +- * pass it though the device tree */ +-static u32 cache_id_part_number_from_dt; +- + struct l2x0_regs l2x0_saved_regs; + +-struct l2x0_of_data { +- void (*setup)(const struct device_node *, u32 *, u32 *); +- void (*save)(void); +- struct outer_cache_fns outer_cache; +-}; +- +-static bool of_init = false; +- +-static inline void cache_wait_way(void __iomem *reg, unsigned long mask) ++/* ++ * Common code for all cache controllers. ++ */ ++static inline void l2c_wait_mask(void __iomem *reg, unsigned long mask) + { + /* wait for cache operation by line or way to complete */ + while (readl_relaxed(reg) & mask) + cpu_relax(); + } + +-#ifdef CONFIG_CACHE_PL310 +-static inline void cache_wait(void __iomem *reg, unsigned long mask) ++/* ++ * By default, we write directly to secure registers. Platforms must ++ * override this if they are running non-secure. ++ */ ++static void l2c_write_sec(unsigned long val, void __iomem *base, unsigned reg) + { +- /* cache operations by line are atomic on PL310 */ ++ if (val == readl_relaxed(base + reg)) ++ return; ++ if (outer_cache.write_sec) ++ outer_cache.write_sec(val, reg); ++ else ++ writel_relaxed(val, base + reg); + } +-#else +-#define cache_wait cache_wait_way +-#endif + +-static inline void cache_sync(void) ++/* ++ * This should only be called when we have a requirement that the ++ * register be written due to a work-around, as platforms running ++ * in non-secure mode may not be able to access this register. ++ */ ++static inline void l2c_set_debug(void __iomem *base, unsigned long val) + { +- void __iomem *base = l2x0_base; +- +- writel_relaxed(0, base + sync_reg_offset); +- cache_wait(base + L2X0_CACHE_SYNC, 1); ++ l2c_write_sec(val, base, L2X0_DEBUG_CTRL); + } + +-static inline void l2x0_clean_line(unsigned long addr) ++static void __l2c_op_way(void __iomem *reg) + { +- void __iomem *base = l2x0_base; +- cache_wait(base + L2X0_CLEAN_LINE_PA, 1); +- writel_relaxed(addr, base + L2X0_CLEAN_LINE_PA); ++ writel_relaxed(l2x0_way_mask, reg); ++ l2c_wait_mask(reg, l2x0_way_mask); + } + +-static inline void l2x0_inv_line(unsigned long addr) ++static inline void l2c_unlock(void __iomem *base, unsigned num) + { +- void __iomem *base = l2x0_base; +- cache_wait(base + L2X0_INV_LINE_PA, 1); +- writel_relaxed(addr, base + L2X0_INV_LINE_PA); ++ unsigned i; ++ ++ for (i = 0; i < num; i++) { ++ writel_relaxed(0, base + L2X0_LOCKDOWN_WAY_D_BASE + ++ i * L2X0_LOCKDOWN_STRIDE); ++ writel_relaxed(0, base + L2X0_LOCKDOWN_WAY_I_BASE + ++ i * L2X0_LOCKDOWN_STRIDE); ++ } + } + +-#if defined(CONFIG_PL310_ERRATA_588369) || defined(CONFIG_PL310_ERRATA_727915) +-static inline void debug_writel(unsigned long val) ++/* ++ * Enable the L2 cache controller. This function must only be ++ * called when the cache controller is known to be disabled. ++ */ ++static void l2c_enable(void __iomem *base, u32 aux, unsigned num_lock) + { +- if (outer_cache.set_debug) +- outer_cache.set_debug(val); ++ unsigned long flags; ++ ++ l2c_write_sec(aux, base, L2X0_AUX_CTRL); ++ ++ l2c_unlock(base, num_lock); ++ ++ local_irq_save(flags); ++ __l2c_op_way(base + L2X0_INV_WAY); ++ writel_relaxed(0, base + sync_reg_offset); ++ l2c_wait_mask(base + sync_reg_offset, 1); ++ local_irq_restore(flags); ++ ++ l2c_write_sec(L2X0_CTRL_EN, base, L2X0_CTRL); + } + +-static void pl310_set_debug(unsigned long val) ++static void l2c_disable(void) + { +- writel_relaxed(val, l2x0_base + L2X0_DEBUG_CTRL); ++ void __iomem *base = l2x0_base; ++ ++ outer_cache.flush_all(); ++ l2c_write_sec(0, base, L2X0_CTRL); ++ dsb(st); + } +-#else +-/* Optimised out for non-errata case */ +-static inline void debug_writel(unsigned long val) ++ ++#ifdef CONFIG_CACHE_PL310 ++static inline void cache_wait(void __iomem *reg, unsigned long mask) + { ++ /* cache operations by line are atomic on PL310 */ + } +- +-#define pl310_set_debug NULL ++#else ++#define cache_wait l2c_wait_mask + #endif + +-#ifdef CONFIG_PL310_ERRATA_588369 +-static inline void l2x0_flush_line(unsigned long addr) ++static inline void cache_sync(void) + { + void __iomem *base = l2x0_base; + +- /* Clean by PA followed by Invalidate by PA */ +- cache_wait(base + L2X0_CLEAN_LINE_PA, 1); +- writel_relaxed(addr, base + L2X0_CLEAN_LINE_PA); +- cache_wait(base + L2X0_INV_LINE_PA, 1); +- writel_relaxed(addr, base + L2X0_INV_LINE_PA); ++ writel_relaxed(0, base + sync_reg_offset); ++ cache_wait(base + L2X0_CACHE_SYNC, 1); + } +-#else + +-static inline void l2x0_flush_line(unsigned long addr) ++#if defined(CONFIG_PL310_ERRATA_588369) || defined(CONFIG_PL310_ERRATA_727915) ++static inline void debug_writel(unsigned long val) ++{ ++ l2c_set_debug(l2x0_base, val); ++} ++#else ++/* Optimised out for non-errata case */ ++static inline void debug_writel(unsigned long val) + { +- void __iomem *base = l2x0_base; +- cache_wait(base + L2X0_CLEAN_INV_LINE_PA, 1); +- writel_relaxed(addr, base + L2X0_CLEAN_INV_LINE_PA); + } + #endif + +@@ -141,8 +176,7 @@ + static void __l2x0_flush_all(void) + { + debug_writel(0x03); +- writel_relaxed(l2x0_way_mask, l2x0_base + L2X0_CLEAN_INV_WAY); +- cache_wait_way(l2x0_base + L2X0_CLEAN_INV_WAY, l2x0_way_mask); ++ __l2c_op_way(l2x0_base + L2X0_CLEAN_INV_WAY); + cache_sync(); + debug_writel(0x00); + } +@@ -157,274 +191,882 @@ + raw_spin_unlock_irqrestore(&l2x0_lock, flags); + } + +-static void l2x0_clean_all(void) ++static void l2x0_disable(void) + { + unsigned long flags; + +- /* clean all ways */ + raw_spin_lock_irqsave(&l2x0_lock, flags); +- writel_relaxed(l2x0_way_mask, l2x0_base + L2X0_CLEAN_WAY); +- cache_wait_way(l2x0_base + L2X0_CLEAN_WAY, l2x0_way_mask); +- cache_sync(); ++ __l2x0_flush_all(); ++ l2c_write_sec(0, l2x0_base, L2X0_CTRL); ++ dsb(st); + raw_spin_unlock_irqrestore(&l2x0_lock, flags); + } + +-static void l2x0_inv_all(void) ++static void l2c_save(void __iomem *base) + { +- unsigned long flags; ++ l2x0_saved_regs.aux_ctrl = readl_relaxed(l2x0_base + L2X0_AUX_CTRL); ++} + +- /* invalidate all ways */ +- raw_spin_lock_irqsave(&l2x0_lock, flags); +- /* Invalidating when L2 is enabled is a nono */ +- BUG_ON(readl(l2x0_base + L2X0_CTRL) & L2X0_CTRL_EN); +- writel_relaxed(l2x0_way_mask, l2x0_base + L2X0_INV_WAY); +- cache_wait_way(l2x0_base + L2X0_INV_WAY, l2x0_way_mask); +- cache_sync(); +- raw_spin_unlock_irqrestore(&l2x0_lock, flags); ++/* ++ * L2C-210 specific code. ++ * ++ * The L2C-2x0 PA, set/way and sync operations are atomic, but we must ++ * ensure that no background operation is running. The way operations ++ * are all background tasks. ++ * ++ * While a background operation is in progress, any new operation is ++ * ignored (unspecified whether this causes an error.) Thankfully, not ++ * used on SMP. ++ * ++ * Never has a different sync register other than L2X0_CACHE_SYNC, but ++ * we use sync_reg_offset here so we can share some of this with L2C-310. ++ */ ++static void __l2c210_cache_sync(void __iomem *base) ++{ ++ writel_relaxed(0, base + sync_reg_offset); + } + +-static void l2x0_inv_range(unsigned long start, unsigned long end) ++static void __l2c210_op_pa_range(void __iomem *reg, unsigned long start, ++ unsigned long end) ++{ ++ while (start < end) { ++ writel_relaxed(start, reg); ++ start += CACHE_LINE_SIZE; ++ } ++} ++ ++static void l2c210_inv_range(unsigned long start, unsigned long end) + { + void __iomem *base = l2x0_base; +- unsigned long flags; + +- raw_spin_lock_irqsave(&l2x0_lock, flags); + if (start & (CACHE_LINE_SIZE - 1)) { + start &= ~(CACHE_LINE_SIZE - 1); +- debug_writel(0x03); +- l2x0_flush_line(start); +- debug_writel(0x00); ++ writel_relaxed(start, base + L2X0_CLEAN_INV_LINE_PA); + start += CACHE_LINE_SIZE; + } + + if (end & (CACHE_LINE_SIZE - 1)) { + end &= ~(CACHE_LINE_SIZE - 1); +- debug_writel(0x03); +- l2x0_flush_line(end); +- debug_writel(0x00); ++ writel_relaxed(end, base + L2X0_CLEAN_INV_LINE_PA); + } + ++ __l2c210_op_pa_range(base + L2X0_INV_LINE_PA, start, end); ++ __l2c210_cache_sync(base); ++} ++ ++static void l2c210_clean_range(unsigned long start, unsigned long end) ++{ ++ void __iomem *base = l2x0_base; ++ ++ start &= ~(CACHE_LINE_SIZE - 1); ++ __l2c210_op_pa_range(base + L2X0_CLEAN_LINE_PA, start, end); ++ __l2c210_cache_sync(base); ++} ++ ++static void l2c210_flush_range(unsigned long start, unsigned long end) ++{ ++ void __iomem *base = l2x0_base; ++ ++ start &= ~(CACHE_LINE_SIZE - 1); ++ __l2c210_op_pa_range(base + L2X0_CLEAN_INV_LINE_PA, start, end); ++ __l2c210_cache_sync(base); ++} ++ ++static void l2c210_flush_all(void) ++{ ++ void __iomem *base = l2x0_base; ++ ++ BUG_ON(!irqs_disabled()); ++ ++ __l2c_op_way(base + L2X0_CLEAN_INV_WAY); ++ __l2c210_cache_sync(base); ++} ++ ++static void l2c210_sync(void) ++{ ++ __l2c210_cache_sync(l2x0_base); ++} ++ ++static void l2c210_resume(void) ++{ ++ void __iomem *base = l2x0_base; ++ ++ if (!(readl_relaxed(base + L2X0_CTRL) & L2X0_CTRL_EN)) ++ l2c_enable(base, l2x0_saved_regs.aux_ctrl, 1); ++} ++ ++static const struct l2c_init_data l2c210_data __initconst = { ++ .type = "L2C-210", ++ .way_size_0 = SZ_8K, ++ .num_lock = 1, ++ .enable = l2c_enable, ++ .save = l2c_save, ++ .outer_cache = { ++ .inv_range = l2c210_inv_range, ++ .clean_range = l2c210_clean_range, ++ .flush_range = l2c210_flush_range, ++ .flush_all = l2c210_flush_all, ++ .disable = l2c_disable, ++ .sync = l2c210_sync, ++ .resume = l2c210_resume, ++ }, ++}; ++ ++/* ++ * L2C-220 specific code. ++ * ++ * All operations are background operations: they have to be waited for. ++ * Conflicting requests generate a slave error (which will cause an ++ * imprecise abort.) Never uses sync_reg_offset, so we hard-code the ++ * sync register here. ++ * ++ * However, we can re-use the l2c210_resume call. ++ */ ++static inline void __l2c220_cache_sync(void __iomem *base) ++{ ++ writel_relaxed(0, base + L2X0_CACHE_SYNC); ++ l2c_wait_mask(base + L2X0_CACHE_SYNC, 1); ++} ++ ++static void l2c220_op_way(void __iomem *base, unsigned reg) ++{ ++ unsigned long flags; ++ ++ raw_spin_lock_irqsave(&l2x0_lock, flags); ++ __l2c_op_way(base + reg); ++ __l2c220_cache_sync(base); ++ raw_spin_unlock_irqrestore(&l2x0_lock, flags); ++} ++ ++static unsigned long l2c220_op_pa_range(void __iomem *reg, unsigned long start, ++ unsigned long end, unsigned long flags) ++{ ++ raw_spinlock_t *lock = &l2x0_lock; ++ + while (start < end) { + unsigned long blk_end = start + min(end - start, 4096UL); + + while (start < blk_end) { +- l2x0_inv_line(start); ++ l2c_wait_mask(reg, 1); ++ writel_relaxed(start, reg); + start += CACHE_LINE_SIZE; + } + + if (blk_end < end) { +- raw_spin_unlock_irqrestore(&l2x0_lock, flags); +- raw_spin_lock_irqsave(&l2x0_lock, flags); ++ raw_spin_unlock_irqrestore(lock, flags); ++ raw_spin_lock_irqsave(lock, flags); + } + } +- cache_wait(base + L2X0_INV_LINE_PA, 1); +- cache_sync(); +- raw_spin_unlock_irqrestore(&l2x0_lock, flags); ++ ++ return flags; + } + +-static void l2x0_clean_range(unsigned long start, unsigned long end) ++static void l2c220_inv_range(unsigned long start, unsigned long end) + { + void __iomem *base = l2x0_base; + unsigned long flags; + +- if ((end - start) >= l2x0_size) { +- l2x0_clean_all(); +- return; +- } +- + raw_spin_lock_irqsave(&l2x0_lock, flags); +- start &= ~(CACHE_LINE_SIZE - 1); +- while (start < end) { +- unsigned long blk_end = start + min(end - start, 4096UL); +- +- while (start < blk_end) { +- l2x0_clean_line(start); ++ if ((start | end) & (CACHE_LINE_SIZE - 1)) { ++ if (start & (CACHE_LINE_SIZE - 1)) { ++ start &= ~(CACHE_LINE_SIZE - 1); ++ writel_relaxed(start, base + L2X0_CLEAN_INV_LINE_PA); + start += CACHE_LINE_SIZE; + } + +- if (blk_end < end) { +- raw_spin_unlock_irqrestore(&l2x0_lock, flags); +- raw_spin_lock_irqsave(&l2x0_lock, flags); ++ if (end & (CACHE_LINE_SIZE - 1)) { ++ end &= ~(CACHE_LINE_SIZE - 1); ++ l2c_wait_mask(base + L2X0_CLEAN_INV_LINE_PA, 1); ++ writel_relaxed(end, base + L2X0_CLEAN_INV_LINE_PA); + } + } +- cache_wait(base + L2X0_CLEAN_LINE_PA, 1); +- cache_sync(); ++ ++ flags = l2c220_op_pa_range(base + L2X0_INV_LINE_PA, ++ start, end, flags); ++ l2c_wait_mask(base + L2X0_INV_LINE_PA, 1); ++ __l2c220_cache_sync(base); + raw_spin_unlock_irqrestore(&l2x0_lock, flags); + } + +-static void l2x0_flush_range(unsigned long start, unsigned long end) ++static void l2c220_clean_range(unsigned long start, unsigned long end) + { + void __iomem *base = l2x0_base; + unsigned long flags; + ++ start &= ~(CACHE_LINE_SIZE - 1); + if ((end - start) >= l2x0_size) { +- l2x0_flush_all(); ++ l2c220_op_way(base, L2X0_CLEAN_WAY); + return; + } + + raw_spin_lock_irqsave(&l2x0_lock, flags); ++ flags = l2c220_op_pa_range(base + L2X0_CLEAN_LINE_PA, ++ start, end, flags); ++ l2c_wait_mask(base + L2X0_CLEAN_INV_LINE_PA, 1); ++ __l2c220_cache_sync(base); ++ raw_spin_unlock_irqrestore(&l2x0_lock, flags); ++} ++ ++static void l2c220_flush_range(unsigned long start, unsigned long end) ++{ ++ void __iomem *base = l2x0_base; ++ unsigned long flags; ++ + start &= ~(CACHE_LINE_SIZE - 1); ++ if ((end - start) >= l2x0_size) { ++ l2c220_op_way(base, L2X0_CLEAN_INV_WAY); ++ return; ++ } ++ ++ raw_spin_lock_irqsave(&l2x0_lock, flags); ++ flags = l2c220_op_pa_range(base + L2X0_CLEAN_INV_LINE_PA, ++ start, end, flags); ++ l2c_wait_mask(base + L2X0_CLEAN_INV_LINE_PA, 1); ++ __l2c220_cache_sync(base); ++ raw_spin_unlock_irqrestore(&l2x0_lock, flags); ++} ++ ++static void l2c220_flush_all(void) ++{ ++ l2c220_op_way(l2x0_base, L2X0_CLEAN_INV_WAY); ++} ++ ++static void l2c220_sync(void) ++{ ++ unsigned long flags; ++ ++ raw_spin_lock_irqsave(&l2x0_lock, flags); ++ __l2c220_cache_sync(l2x0_base); ++ raw_spin_unlock_irqrestore(&l2x0_lock, flags); ++} ++ ++static void l2c220_enable(void __iomem *base, u32 aux, unsigned num_lock) ++{ ++ /* ++ * Always enable non-secure access to the lockdown registers - ++ * we write to them as part of the L2C enable sequence so they ++ * need to be accessible. ++ */ ++ aux |= L220_AUX_CTRL_NS_LOCKDOWN; ++ ++ l2c_enable(base, aux, num_lock); ++} ++ ++static const struct l2c_init_data l2c220_data = { ++ .type = "L2C-220", ++ .way_size_0 = SZ_8K, ++ .num_lock = 1, ++ .enable = l2c220_enable, ++ .save = l2c_save, ++ .outer_cache = { ++ .inv_range = l2c220_inv_range, ++ .clean_range = l2c220_clean_range, ++ .flush_range = l2c220_flush_range, ++ .flush_all = l2c220_flush_all, ++ .disable = l2c_disable, ++ .sync = l2c220_sync, ++ .resume = l2c210_resume, ++ }, ++}; ++ ++/* ++ * L2C-310 specific code. ++ * ++ * Very similar to L2C-210, the PA, set/way and sync operations are atomic, ++ * and the way operations are all background tasks. However, issuing an ++ * operation while a background operation is in progress results in a ++ * SLVERR response. We can reuse: ++ * ++ * __l2c210_cache_sync (using sync_reg_offset) ++ * l2c210_sync ++ * l2c210_inv_range (if 588369 is not applicable) ++ * l2c210_clean_range ++ * l2c210_flush_range (if 588369 is not applicable) ++ * l2c210_flush_all (if 727915 is not applicable) ++ * ++ * Errata: ++ * 588369: PL310 R0P0->R1P0, fixed R2P0. ++ * Affects: all clean+invalidate operations ++ * clean and invalidate skips the invalidate step, so we need to issue ++ * separate operations. We also require the above debug workaround ++ * enclosing this code fragment on affected parts. On unaffected parts, ++ * we must not use this workaround without the debug register writes ++ * to avoid exposing a problem similar to 727915. ++ * ++ * 727915: PL310 R2P0->R3P0, fixed R3P1. ++ * Affects: clean+invalidate by way ++ * clean and invalidate by way runs in the background, and a store can ++ * hit the line between the clean operation and invalidate operation, ++ * resulting in the store being lost. ++ * ++ * 752271: PL310 R3P0->R3P1-50REL0, fixed R3P2. ++ * Affects: 8x64-bit (double fill) line fetches ++ * double fill line fetches can fail to cause dirty data to be evicted ++ * from the cache before the new data overwrites the second line. ++ * ++ * 753970: PL310 R3P0, fixed R3P1. ++ * Affects: sync ++ * prevents merging writes after the sync operation, until another L2C ++ * operation is performed (or a number of other conditions.) ++ * ++ * 769419: PL310 R0P0->R3P1, fixed R3P2. ++ * Affects: store buffer ++ * store buffer is not automatically drained. ++ */ ++static void l2c310_inv_range_erratum(unsigned long start, unsigned long end) ++{ ++ void __iomem *base = l2x0_base; ++ ++ if ((start | end) & (CACHE_LINE_SIZE - 1)) { ++ unsigned long flags; ++ ++ /* Erratum 588369 for both clean+invalidate operations */ ++ raw_spin_lock_irqsave(&l2x0_lock, flags); ++ l2c_set_debug(base, 0x03); ++ ++ if (start & (CACHE_LINE_SIZE - 1)) { ++ start &= ~(CACHE_LINE_SIZE - 1); ++ writel_relaxed(start, base + L2X0_CLEAN_LINE_PA); ++ writel_relaxed(start, base + L2X0_INV_LINE_PA); ++ start += CACHE_LINE_SIZE; ++ } ++ ++ if (end & (CACHE_LINE_SIZE - 1)) { ++ end &= ~(CACHE_LINE_SIZE - 1); ++ writel_relaxed(end, base + L2X0_CLEAN_LINE_PA); ++ writel_relaxed(end, base + L2X0_INV_LINE_PA); ++ } ++ ++ l2c_set_debug(base, 0x00); ++ raw_spin_unlock_irqrestore(&l2x0_lock, flags); ++ } ++ ++ __l2c210_op_pa_range(base + L2X0_INV_LINE_PA, start, end); ++ __l2c210_cache_sync(base); ++} ++ ++static void l2c310_flush_range_erratum(unsigned long start, unsigned long end) ++{ ++ raw_spinlock_t *lock = &l2x0_lock; ++ unsigned long flags; ++ void __iomem *base = l2x0_base; ++ ++ raw_spin_lock_irqsave(lock, flags); + while (start < end) { + unsigned long blk_end = start + min(end - start, 4096UL); + +- debug_writel(0x03); ++ l2c_set_debug(base, 0x03); + while (start < blk_end) { +- l2x0_flush_line(start); ++ writel_relaxed(start, base + L2X0_CLEAN_LINE_PA); ++ writel_relaxed(start, base + L2X0_INV_LINE_PA); + start += CACHE_LINE_SIZE; + } +- debug_writel(0x00); ++ l2c_set_debug(base, 0x00); + + if (blk_end < end) { +- raw_spin_unlock_irqrestore(&l2x0_lock, flags); +- raw_spin_lock_irqsave(&l2x0_lock, flags); ++ raw_spin_unlock_irqrestore(lock, flags); ++ raw_spin_lock_irqsave(lock, flags); + } + } +- cache_wait(base + L2X0_CLEAN_INV_LINE_PA, 1); +- cache_sync(); +- raw_spin_unlock_irqrestore(&l2x0_lock, flags); ++ raw_spin_unlock_irqrestore(lock, flags); ++ __l2c210_cache_sync(base); + } + +-static void l2x0_disable(void) ++static void l2c310_flush_all_erratum(void) + { ++ void __iomem *base = l2x0_base; + unsigned long flags; + + raw_spin_lock_irqsave(&l2x0_lock, flags); +- __l2x0_flush_all(); +- writel_relaxed(0, l2x0_base + L2X0_CTRL); +- dsb(st); ++ l2c_set_debug(base, 0x03); ++ __l2c_op_way(base + L2X0_CLEAN_INV_WAY); ++ l2c_set_debug(base, 0x00); ++ __l2c210_cache_sync(base); + raw_spin_unlock_irqrestore(&l2x0_lock, flags); + } + +-static void l2x0_unlock(u32 cache_id) ++static void __init l2c310_save(void __iomem *base) + { +- int lockregs; +- int i; ++ unsigned revision; + +- switch (cache_id & L2X0_CACHE_ID_PART_MASK) { +- case L2X0_CACHE_ID_PART_L310: +- lockregs = 8; +- break; +- case AURORA_CACHE_ID: +- lockregs = 4; ++ l2c_save(base); ++ ++ l2x0_saved_regs.tag_latency = readl_relaxed(base + ++ L310_TAG_LATENCY_CTRL); ++ l2x0_saved_regs.data_latency = readl_relaxed(base + ++ L310_DATA_LATENCY_CTRL); ++ l2x0_saved_regs.filter_end = readl_relaxed(base + ++ L310_ADDR_FILTER_END); ++ l2x0_saved_regs.filter_start = readl_relaxed(base + ++ L310_ADDR_FILTER_START); ++ ++ revision = readl_relaxed(base + L2X0_CACHE_ID) & ++ L2X0_CACHE_ID_RTL_MASK; ++ ++ /* From r2p0, there is Prefetch offset/control register */ ++ if (revision >= L310_CACHE_ID_RTL_R2P0) ++ l2x0_saved_regs.prefetch_ctrl = readl_relaxed(base + ++ L310_PREFETCH_CTRL); ++ ++ /* From r3p0, there is Power control register */ ++ if (revision >= L310_CACHE_ID_RTL_R3P0) ++ l2x0_saved_regs.pwr_ctrl = readl_relaxed(base + ++ L310_POWER_CTRL); ++} ++ ++static void l2c310_resume(void) ++{ ++ void __iomem *base = l2x0_base; ++ ++ if (!(readl_relaxed(base + L2X0_CTRL) & L2X0_CTRL_EN)) { ++ unsigned revision; ++ ++ /* restore pl310 setup */ ++ writel_relaxed(l2x0_saved_regs.tag_latency, ++ base + L310_TAG_LATENCY_CTRL); ++ writel_relaxed(l2x0_saved_regs.data_latency, ++ base + L310_DATA_LATENCY_CTRL); ++ writel_relaxed(l2x0_saved_regs.filter_end, ++ base + L310_ADDR_FILTER_END); ++ writel_relaxed(l2x0_saved_regs.filter_start, ++ base + L310_ADDR_FILTER_START); ++ ++ revision = readl_relaxed(base + L2X0_CACHE_ID) & ++ L2X0_CACHE_ID_RTL_MASK; ++ ++ if (revision >= L310_CACHE_ID_RTL_R2P0) ++ l2c_write_sec(l2x0_saved_regs.prefetch_ctrl, base, ++ L310_PREFETCH_CTRL); ++ if (revision >= L310_CACHE_ID_RTL_R3P0) ++ l2c_write_sec(l2x0_saved_regs.pwr_ctrl, base, ++ L310_POWER_CTRL); ++ ++ l2c_enable(base, l2x0_saved_regs.aux_ctrl, 8); ++ ++ /* Re-enable full-line-of-zeros for Cortex-A9 */ ++ if (l2x0_saved_regs.aux_ctrl & L310_AUX_CTRL_FULL_LINE_ZERO) ++ set_auxcr(get_auxcr() | BIT(3) | BIT(2) | BIT(1)); ++ } ++} ++ ++static int l2c310_cpu_enable_flz(struct notifier_block *nb, unsigned long act, void *data) ++{ ++ switch (act & ~CPU_TASKS_FROZEN) { ++ case CPU_STARTING: ++ set_auxcr(get_auxcr() | BIT(3) | BIT(2) | BIT(1)); + break; +- default: +- /* L210 and unknown types */ +- lockregs = 1; ++ case CPU_DYING: ++ set_auxcr(get_auxcr() & ~(BIT(3) | BIT(2) | BIT(1))); + break; + } ++ return NOTIFY_OK; ++} + +- for (i = 0; i < lockregs; i++) { +- writel_relaxed(0x0, l2x0_base + L2X0_LOCKDOWN_WAY_D_BASE + +- i * L2X0_LOCKDOWN_STRIDE); +- writel_relaxed(0x0, l2x0_base + L2X0_LOCKDOWN_WAY_I_BASE + +- i * L2X0_LOCKDOWN_STRIDE); ++static void __init l2c310_enable(void __iomem *base, u32 aux, unsigned num_lock) ++{ ++ unsigned rev = readl_relaxed(base + L2X0_CACHE_ID) & L2X0_CACHE_ID_PART_MASK; ++ bool cortex_a9 = read_cpuid_part_number() == ARM_CPU_PART_CORTEX_A9; ++ ++ if (rev >= L310_CACHE_ID_RTL_R2P0) { ++ if (cortex_a9) { ++ aux |= L310_AUX_CTRL_EARLY_BRESP; ++ pr_info("L2C-310 enabling early BRESP for Cortex-A9\n"); ++ } else if (aux & L310_AUX_CTRL_EARLY_BRESP) { ++ pr_warn("L2C-310 early BRESP only supported with Cortex-A9\n"); ++ aux &= ~L310_AUX_CTRL_EARLY_BRESP; ++ } ++ } ++ ++ if (cortex_a9) { ++ u32 aux_cur = readl_relaxed(base + L2X0_AUX_CTRL); ++ u32 acr = get_auxcr(); ++ ++ pr_debug("Cortex-A9 ACR=0x%08x\n", acr); ++ ++ if (acr & BIT(3) && !(aux_cur & L310_AUX_CTRL_FULL_LINE_ZERO)) ++ pr_err("L2C-310: full line of zeros enabled in Cortex-A9 but not L2C-310 - invalid\n"); ++ ++ if (aux & L310_AUX_CTRL_FULL_LINE_ZERO && !(acr & BIT(3))) ++ pr_err("L2C-310: enabling full line of zeros but not enabled in Cortex-A9\n"); ++ ++ if (!(aux & L310_AUX_CTRL_FULL_LINE_ZERO) && !outer_cache.write_sec) { ++ aux |= L310_AUX_CTRL_FULL_LINE_ZERO; ++ pr_info("L2C-310 full line of zeros enabled for Cortex-A9\n"); ++ } ++ } else if (aux & (L310_AUX_CTRL_FULL_LINE_ZERO | L310_AUX_CTRL_EARLY_BRESP)) { ++ pr_err("L2C-310: disabling Cortex-A9 specific feature bits\n"); ++ aux &= ~(L310_AUX_CTRL_FULL_LINE_ZERO | L310_AUX_CTRL_EARLY_BRESP); ++ } ++ ++ if (aux & (L310_AUX_CTRL_DATA_PREFETCH | L310_AUX_CTRL_INSTR_PREFETCH)) { ++ u32 prefetch = readl_relaxed(base + L310_PREFETCH_CTRL); ++ ++ pr_info("L2C-310 %s%s prefetch enabled, offset %u lines\n", ++ aux & L310_AUX_CTRL_INSTR_PREFETCH ? "I" : "", ++ aux & L310_AUX_CTRL_DATA_PREFETCH ? "D" : "", ++ 1 + (prefetch & L310_PREFETCH_CTRL_OFFSET_MASK)); ++ } ++ ++ /* r3p0 or later has power control register */ ++ if (rev >= L310_CACHE_ID_RTL_R3P0) { ++ u32 power_ctrl; ++ ++ l2c_write_sec(L310_DYNAMIC_CLK_GATING_EN | L310_STNDBY_MODE_EN, ++ base, L310_POWER_CTRL); ++ power_ctrl = readl_relaxed(base + L310_POWER_CTRL); ++ pr_info("L2C-310 dynamic clock gating %sabled, standby mode %sabled\n", ++ power_ctrl & L310_DYNAMIC_CLK_GATING_EN ? "en" : "dis", ++ power_ctrl & L310_STNDBY_MODE_EN ? "en" : "dis"); ++ } ++ ++ /* ++ * Always enable non-secure access to the lockdown registers - ++ * we write to them as part of the L2C enable sequence so they ++ * need to be accessible. ++ */ ++ aux |= L310_AUX_CTRL_NS_LOCKDOWN; ++ ++ l2c_enable(base, aux, num_lock); ++ ++ if (aux & L310_AUX_CTRL_FULL_LINE_ZERO) { ++ set_auxcr(get_auxcr() | BIT(3) | BIT(2) | BIT(1)); ++ cpu_notifier(l2c310_cpu_enable_flz, 0); + } + } + +-void __init l2x0_init(void __iomem *base, u32 aux_val, u32 aux_mask) ++static void __init l2c310_fixup(void __iomem *base, u32 cache_id, ++ struct outer_cache_fns *fns) + { +- u32 aux; +- u32 cache_id; +- u32 way_size = 0; +- int ways; +- int way_size_shift = L2X0_WAY_SIZE_SHIFT; +- const char *type; ++ unsigned revision = cache_id & L2X0_CACHE_ID_RTL_MASK; ++ const char *errata[8]; ++ unsigned n = 0; + +- l2x0_base = base; +- if (cache_id_part_number_from_dt) +- cache_id = cache_id_part_number_from_dt; +- else +- cache_id = readl_relaxed(l2x0_base + L2X0_CACHE_ID); +- aux = readl_relaxed(l2x0_base + L2X0_AUX_CTRL); ++ if (IS_ENABLED(CONFIG_PL310_ERRATA_588369) && ++ revision < L310_CACHE_ID_RTL_R2P0 && ++ /* For bcm compatibility */ ++ fns->inv_range == l2c210_inv_range) { ++ fns->inv_range = l2c310_inv_range_erratum; ++ fns->flush_range = l2c310_flush_range_erratum; ++ errata[n++] = "588369"; ++ } ++ ++ if (IS_ENABLED(CONFIG_PL310_ERRATA_727915) && ++ revision >= L310_CACHE_ID_RTL_R2P0 && ++ revision < L310_CACHE_ID_RTL_R3P1) { ++ fns->flush_all = l2c310_flush_all_erratum; ++ errata[n++] = "727915"; ++ } ++ ++ if (revision >= L310_CACHE_ID_RTL_R3P0 && ++ revision < L310_CACHE_ID_RTL_R3P2) { ++ u32 val = readl_relaxed(base + L310_PREFETCH_CTRL); ++ /* I don't think bit23 is required here... but iMX6 does so */ ++ if (val & (BIT(30) | BIT(23))) { ++ val &= ~(BIT(30) | BIT(23)); ++ l2c_write_sec(val, base, L310_PREFETCH_CTRL); ++ errata[n++] = "752271"; ++ } ++ } ++ ++ if (IS_ENABLED(CONFIG_PL310_ERRATA_753970) && ++ revision == L310_CACHE_ID_RTL_R3P0) { ++ sync_reg_offset = L2X0_DUMMY_REG; ++ errata[n++] = "753970"; ++ } ++ ++ if (IS_ENABLED(CONFIG_PL310_ERRATA_769419)) ++ errata[n++] = "769419"; ++ ++ if (n) { ++ unsigned i; ++ ++ pr_info("L2C-310 errat%s", n > 1 ? "a" : "um"); ++ for (i = 0; i < n; i++) ++ pr_cont(" %s", errata[i]); ++ pr_cont(" enabled\n"); ++ } ++} ++ ++static void l2c310_disable(void) ++{ ++ /* ++ * If full-line-of-zeros is enabled, we must first disable it in the ++ * Cortex-A9 auxiliary control register before disabling the L2 cache. ++ */ ++ if (l2x0_saved_regs.aux_ctrl & L310_AUX_CTRL_FULL_LINE_ZERO) ++ set_auxcr(get_auxcr() & ~(BIT(3) | BIT(2) | BIT(1))); + ++ l2c_disable(); ++} ++ ++static const struct l2c_init_data l2c310_init_fns __initconst = { ++ .type = "L2C-310", ++ .way_size_0 = SZ_8K, ++ .num_lock = 8, ++ .enable = l2c310_enable, ++ .fixup = l2c310_fixup, ++ .save = l2c310_save, ++ .outer_cache = { ++ .inv_range = l2c210_inv_range, ++ .clean_range = l2c210_clean_range, ++ .flush_range = l2c210_flush_range, ++ .flush_all = l2c210_flush_all, ++ .disable = l2c310_disable, ++ .sync = l2c210_sync, ++ .resume = l2c310_resume, ++ }, ++}; ++ ++static void __init __l2c_init(const struct l2c_init_data *data, ++ u32 aux_val, u32 aux_mask, u32 cache_id) ++{ ++ struct outer_cache_fns fns; ++ unsigned way_size_bits, ways; ++ u32 aux, old_aux; ++ ++ /* ++ * Sanity check the aux values. aux_mask is the bits we preserve ++ * from reading the hardware register, and aux_val is the bits we ++ * set. ++ */ ++ if (aux_val & aux_mask) ++ pr_alert("L2C: platform provided aux values permit register corruption.\n"); ++ ++ old_aux = aux = readl_relaxed(l2x0_base + L2X0_AUX_CTRL); + aux &= aux_mask; + aux |= aux_val; + ++ if (old_aux != aux) ++ pr_warn("L2C: DT/platform modifies aux control register: 0x%08x -> 0x%08x\n", ++ old_aux, aux); ++ + /* Determine the number of ways */ + switch (cache_id & L2X0_CACHE_ID_PART_MASK) { + case L2X0_CACHE_ID_PART_L310: ++ if ((aux_val | ~aux_mask) & (L2C_AUX_CTRL_WAY_SIZE_MASK | L310_AUX_CTRL_ASSOCIATIVITY_16)) ++ pr_warn("L2C: DT/platform tries to modify or specify cache size\n"); + if (aux & (1 << 16)) + ways = 16; + else + ways = 8; +- type = "L310"; +-#ifdef CONFIG_PL310_ERRATA_753970 +- /* Unmapped register. */ +- sync_reg_offset = L2X0_DUMMY_REG; +-#endif +- if ((cache_id & L2X0_CACHE_ID_RTL_MASK) <= L2X0_CACHE_ID_RTL_R3P0) +- outer_cache.set_debug = pl310_set_debug; + break; ++ + case L2X0_CACHE_ID_PART_L210: ++ case L2X0_CACHE_ID_PART_L220: + ways = (aux >> 13) & 0xf; +- type = "L210"; + break; + + case AURORA_CACHE_ID: +- sync_reg_offset = AURORA_SYNC_REG; + ways = (aux >> 13) & 0xf; + ways = 2 << ((ways + 1) >> 2); +- way_size_shift = AURORA_WAY_SIZE_SHIFT; +- type = "Aurora"; + break; ++ + default: + /* Assume unknown chips have 8 ways */ + ways = 8; +- type = "L2x0 series"; + break; + } + + l2x0_way_mask = (1 << ways) - 1; + + /* +- * L2 cache Size = Way size * Number of ways ++ * way_size_0 is the size that a way_size value of zero would be ++ * given the calculation: way_size = way_size_0 << way_size_bits. ++ * So, if way_size_bits=0 is reserved, but way_size_bits=1 is 16k, ++ * then way_size_0 would be 8k. ++ * ++ * L2 cache size = number of ways * way size. ++ */ ++ way_size_bits = (aux & L2C_AUX_CTRL_WAY_SIZE_MASK) >> ++ L2C_AUX_CTRL_WAY_SIZE_SHIFT; ++ l2x0_size = ways * (data->way_size_0 << way_size_bits); ++ ++ fns = data->outer_cache; ++ fns.write_sec = outer_cache.write_sec; ++ if (data->fixup) ++ data->fixup(l2x0_base, cache_id, &fns); ++ ++ /* ++ * Check if l2x0 controller is already enabled. If we are booting ++ * in non-secure mode accessing the below registers will fault. + */ +- way_size = (aux & L2X0_AUX_CTRL_WAY_SIZE_MASK) >> 17; +- way_size = 1 << (way_size + way_size_shift); ++ if (!(readl_relaxed(l2x0_base + L2X0_CTRL) & L2X0_CTRL_EN)) ++ data->enable(l2x0_base, aux, data->num_lock); + +- l2x0_size = ways * way_size * SZ_1K; ++ outer_cache = fns; + + /* +- * Check if l2x0 controller is already enabled. +- * If you are booting from non-secure mode +- * accessing the below registers will fault. ++ * It is strange to save the register state before initialisation, ++ * but hey, this is what the DT implementations decided to do. + */ +- if (!(readl_relaxed(l2x0_base + L2X0_CTRL) & L2X0_CTRL_EN)) { +- /* Make sure that I&D is not locked down when starting */ +- l2x0_unlock(cache_id); ++ if (data->save) ++ data->save(l2x0_base); ++ ++ /* Re-read it in case some bits are reserved. */ ++ aux = readl_relaxed(l2x0_base + L2X0_AUX_CTRL); ++ ++ pr_info("%s cache controller enabled, %d ways, %d kB\n", ++ data->type, ways, l2x0_size >> 10); ++ pr_info("%s: CACHE_ID 0x%08x, AUX_CTRL 0x%08x\n", ++ data->type, cache_id, aux); ++} + +- /* l2x0 controller is disabled */ +- writel_relaxed(aux, l2x0_base + L2X0_AUX_CTRL); ++void __init l2x0_init(void __iomem *base, u32 aux_val, u32 aux_mask) ++{ ++ const struct l2c_init_data *data; ++ u32 cache_id; + +- l2x0_inv_all(); ++ l2x0_base = base; + +- /* enable L2X0 */ +- writel_relaxed(L2X0_CTRL_EN, l2x0_base + L2X0_CTRL); ++ cache_id = readl_relaxed(base + L2X0_CACHE_ID); ++ ++ switch (cache_id & L2X0_CACHE_ID_PART_MASK) { ++ default: ++ case L2X0_CACHE_ID_PART_L210: ++ data = &l2c210_data; ++ break; ++ ++ case L2X0_CACHE_ID_PART_L220: ++ data = &l2c220_data; ++ break; ++ ++ case L2X0_CACHE_ID_PART_L310: ++ data = &l2c310_init_fns; ++ break; + } + +- /* Re-read it in case some bits are reserved. */ +- aux = readl_relaxed(l2x0_base + L2X0_AUX_CTRL); ++ __l2c_init(data, aux_val, aux_mask, cache_id); ++} ++ ++#ifdef CONFIG_OF ++static int l2_wt_override; ++ ++/* Aurora don't have the cache ID register available, so we have to ++ * pass it though the device tree */ ++static u32 cache_id_part_number_from_dt; ++ ++static void __init l2x0_of_parse(const struct device_node *np, ++ u32 *aux_val, u32 *aux_mask) ++{ ++ u32 data[2] = { 0, 0 }; ++ u32 tag = 0; ++ u32 dirty = 0; ++ u32 val = 0, mask = 0; ++ ++ of_property_read_u32(np, "arm,tag-latency", &tag); ++ if (tag) { ++ mask |= L2X0_AUX_CTRL_TAG_LATENCY_MASK; ++ val |= (tag - 1) << L2X0_AUX_CTRL_TAG_LATENCY_SHIFT; ++ } ++ ++ of_property_read_u32_array(np, "arm,data-latency", ++ data, ARRAY_SIZE(data)); ++ if (data[0] && data[1]) { ++ mask |= L2X0_AUX_CTRL_DATA_RD_LATENCY_MASK | ++ L2X0_AUX_CTRL_DATA_WR_LATENCY_MASK; ++ val |= ((data[0] - 1) << L2X0_AUX_CTRL_DATA_RD_LATENCY_SHIFT) | ++ ((data[1] - 1) << L2X0_AUX_CTRL_DATA_WR_LATENCY_SHIFT); ++ } ++ ++ of_property_read_u32(np, "arm,dirty-latency", &dirty); ++ if (dirty) { ++ mask |= L2X0_AUX_CTRL_DIRTY_LATENCY_MASK; ++ val |= (dirty - 1) << L2X0_AUX_CTRL_DIRTY_LATENCY_SHIFT; ++ } + +- /* Save the value for resuming. */ +- l2x0_saved_regs.aux_ctrl = aux; ++ *aux_val &= ~mask; ++ *aux_val |= val; ++ *aux_mask &= ~mask; ++} ++ ++static const struct l2c_init_data of_l2c210_data __initconst = { ++ .type = "L2C-210", ++ .way_size_0 = SZ_8K, ++ .num_lock = 1, ++ .of_parse = l2x0_of_parse, ++ .enable = l2c_enable, ++ .save = l2c_save, ++ .outer_cache = { ++ .inv_range = l2c210_inv_range, ++ .clean_range = l2c210_clean_range, ++ .flush_range = l2c210_flush_range, ++ .flush_all = l2c210_flush_all, ++ .disable = l2c_disable, ++ .sync = l2c210_sync, ++ .resume = l2c210_resume, ++ }, ++}; ++ ++static const struct l2c_init_data of_l2c220_data __initconst = { ++ .type = "L2C-220", ++ .way_size_0 = SZ_8K, ++ .num_lock = 1, ++ .of_parse = l2x0_of_parse, ++ .enable = l2c220_enable, ++ .save = l2c_save, ++ .outer_cache = { ++ .inv_range = l2c220_inv_range, ++ .clean_range = l2c220_clean_range, ++ .flush_range = l2c220_flush_range, ++ .flush_all = l2c220_flush_all, ++ .disable = l2c_disable, ++ .sync = l2c220_sync, ++ .resume = l2c210_resume, ++ }, ++}; ++ ++static void __init l2c310_of_parse(const struct device_node *np, ++ u32 *aux_val, u32 *aux_mask) ++{ ++ u32 data[3] = { 0, 0, 0 }; ++ u32 tag[3] = { 0, 0, 0 }; ++ u32 filter[2] = { 0, 0 }; ++ ++ of_property_read_u32_array(np, "arm,tag-latency", tag, ARRAY_SIZE(tag)); ++ if (tag[0] && tag[1] && tag[2]) ++ writel_relaxed( ++ L310_LATENCY_CTRL_RD(tag[0] - 1) | ++ L310_LATENCY_CTRL_WR(tag[1] - 1) | ++ L310_LATENCY_CTRL_SETUP(tag[2] - 1), ++ l2x0_base + L310_TAG_LATENCY_CTRL); ++ ++ of_property_read_u32_array(np, "arm,data-latency", ++ data, ARRAY_SIZE(data)); ++ if (data[0] && data[1] && data[2]) ++ writel_relaxed( ++ L310_LATENCY_CTRL_RD(data[0] - 1) | ++ L310_LATENCY_CTRL_WR(data[1] - 1) | ++ L310_LATENCY_CTRL_SETUP(data[2] - 1), ++ l2x0_base + L310_DATA_LATENCY_CTRL); + +- if (!of_init) { +- outer_cache.inv_range = l2x0_inv_range; +- outer_cache.clean_range = l2x0_clean_range; +- outer_cache.flush_range = l2x0_flush_range; +- outer_cache.sync = l2x0_cache_sync; +- outer_cache.flush_all = l2x0_flush_all; +- outer_cache.inv_all = l2x0_inv_all; +- outer_cache.disable = l2x0_disable; +- } +- +- pr_info("%s cache controller enabled\n", type); +- pr_info("l2x0: %d ways, CACHE_ID 0x%08x, AUX_CTRL 0x%08x, Cache size: %d kB\n", +- ways, cache_id, aux, l2x0_size >> 10); ++ of_property_read_u32_array(np, "arm,filter-ranges", ++ filter, ARRAY_SIZE(filter)); ++ if (filter[1]) { ++ writel_relaxed(ALIGN(filter[0] + filter[1], SZ_1M), ++ l2x0_base + L310_ADDR_FILTER_END); ++ writel_relaxed((filter[0] & ~(SZ_1M - 1)) | L310_ADDR_FILTER_EN, ++ l2x0_base + L310_ADDR_FILTER_START); ++ } + } + +-#ifdef CONFIG_OF +-static int l2_wt_override; ++static const struct l2c_init_data of_l2c310_data __initconst = { ++ .type = "L2C-310", ++ .way_size_0 = SZ_8K, ++ .num_lock = 8, ++ .of_parse = l2c310_of_parse, ++ .enable = l2c310_enable, ++ .fixup = l2c310_fixup, ++ .save = l2c310_save, ++ .outer_cache = { ++ .inv_range = l2c210_inv_range, ++ .clean_range = l2c210_clean_range, ++ .flush_range = l2c210_flush_range, ++ .flush_all = l2c210_flush_all, ++ .disable = l2c310_disable, ++ .sync = l2c210_sync, ++ .resume = l2c310_resume, ++ }, ++}; + + /* + * Note that the end addresses passed to Linux primitives are +@@ -524,6 +1166,100 @@ + } + } + ++static void aurora_save(void __iomem *base) ++{ ++ l2x0_saved_regs.ctrl = readl_relaxed(base + L2X0_CTRL); ++ l2x0_saved_regs.aux_ctrl = readl_relaxed(base + L2X0_AUX_CTRL); ++} ++ ++static void aurora_resume(void) ++{ ++ void __iomem *base = l2x0_base; ++ ++ if (!(readl(base + L2X0_CTRL) & L2X0_CTRL_EN)) { ++ writel_relaxed(l2x0_saved_regs.aux_ctrl, base + L2X0_AUX_CTRL); ++ writel_relaxed(l2x0_saved_regs.ctrl, base + L2X0_CTRL); ++ } ++} ++ ++/* ++ * For Aurora cache in no outer mode, enable via the CP15 coprocessor ++ * broadcasting of cache commands to L2. ++ */ ++static void __init aurora_enable_no_outer(void __iomem *base, u32 aux, ++ unsigned num_lock) ++{ ++ u32 u; ++ ++ asm volatile("mrc p15, 1, %0, c15, c2, 0" : "=r" (u)); ++ u |= AURORA_CTRL_FW; /* Set the FW bit */ ++ asm volatile("mcr p15, 1, %0, c15, c2, 0" : : "r" (u)); ++ ++ isb(); ++ ++ l2c_enable(base, aux, num_lock); ++} ++ ++static void __init aurora_fixup(void __iomem *base, u32 cache_id, ++ struct outer_cache_fns *fns) ++{ ++ sync_reg_offset = AURORA_SYNC_REG; ++} ++ ++static void __init aurora_of_parse(const struct device_node *np, ++ u32 *aux_val, u32 *aux_mask) ++{ ++ u32 val = AURORA_ACR_REPLACEMENT_TYPE_SEMIPLRU; ++ u32 mask = AURORA_ACR_REPLACEMENT_MASK; ++ ++ of_property_read_u32(np, "cache-id-part", ++ &cache_id_part_number_from_dt); ++ ++ /* Determine and save the write policy */ ++ l2_wt_override = of_property_read_bool(np, "wt-override"); ++ ++ if (l2_wt_override) { ++ val |= AURORA_ACR_FORCE_WRITE_THRO_POLICY; ++ mask |= AURORA_ACR_FORCE_WRITE_POLICY_MASK; ++ } ++ ++ *aux_val &= ~mask; ++ *aux_val |= val; ++ *aux_mask &= ~mask; ++} ++ ++static const struct l2c_init_data of_aurora_with_outer_data __initconst = { ++ .type = "Aurora", ++ .way_size_0 = SZ_4K, ++ .num_lock = 4, ++ .of_parse = aurora_of_parse, ++ .enable = l2c_enable, ++ .fixup = aurora_fixup, ++ .save = aurora_save, ++ .outer_cache = { ++ .inv_range = aurora_inv_range, ++ .clean_range = aurora_clean_range, ++ .flush_range = aurora_flush_range, ++ .flush_all = l2x0_flush_all, ++ .disable = l2x0_disable, ++ .sync = l2x0_cache_sync, ++ .resume = aurora_resume, ++ }, ++}; ++ ++static const struct l2c_init_data of_aurora_no_outer_data __initconst = { ++ .type = "Aurora", ++ .way_size_0 = SZ_4K, ++ .num_lock = 4, ++ .of_parse = aurora_of_parse, ++ .enable = aurora_enable_no_outer, ++ .fixup = aurora_fixup, ++ .save = aurora_save, ++ .outer_cache = { ++ .resume = aurora_resume, ++ }, ++}; ++ + /* + * For certain Broadcom SoCs, depending on the address range, different offsets + * need to be added to the address before passing it to L2 for +@@ -588,16 +1324,16 @@ + + /* normal case, no cross section between start and end */ + if (likely(bcm_addr_is_sys_emi(end) || !bcm_addr_is_sys_emi(start))) { +- l2x0_inv_range(new_start, new_end); ++ l2c210_inv_range(new_start, new_end); + return; + } + + /* They cross sections, so it can only be a cross from section + * 2 to section 3 + */ +- l2x0_inv_range(new_start, ++ l2c210_inv_range(new_start, + bcm_l2_phys_addr(BCM_VC_EMI_SEC3_START_ADDR-1)); +- l2x0_inv_range(bcm_l2_phys_addr(BCM_VC_EMI_SEC3_START_ADDR), ++ l2c210_inv_range(bcm_l2_phys_addr(BCM_VC_EMI_SEC3_START_ADDR), + new_end); + } + +@@ -610,26 +1346,21 @@ + if (unlikely(end <= start)) + return; + +- if ((end - start) >= l2x0_size) { +- l2x0_clean_all(); +- return; +- } +- + new_start = bcm_l2_phys_addr(start); + new_end = bcm_l2_phys_addr(end); + + /* normal case, no cross section between start and end */ + if (likely(bcm_addr_is_sys_emi(end) || !bcm_addr_is_sys_emi(start))) { +- l2x0_clean_range(new_start, new_end); ++ l2c210_clean_range(new_start, new_end); + return; + } + + /* They cross sections, so it can only be a cross from section + * 2 to section 3 + */ +- l2x0_clean_range(new_start, ++ l2c210_clean_range(new_start, + bcm_l2_phys_addr(BCM_VC_EMI_SEC3_START_ADDR-1)); +- l2x0_clean_range(bcm_l2_phys_addr(BCM_VC_EMI_SEC3_START_ADDR), ++ l2c210_clean_range(bcm_l2_phys_addr(BCM_VC_EMI_SEC3_START_ADDR), + new_end); + } + +@@ -643,7 +1374,7 @@ + return; + + if ((end - start) >= l2x0_size) { +- l2x0_flush_all(); ++ outer_cache.flush_all(); + return; + } + +@@ -652,283 +1383,67 @@ + + /* normal case, no cross section between start and end */ + if (likely(bcm_addr_is_sys_emi(end) || !bcm_addr_is_sys_emi(start))) { +- l2x0_flush_range(new_start, new_end); ++ l2c210_flush_range(new_start, new_end); + return; + } + + /* They cross sections, so it can only be a cross from section + * 2 to section 3 + */ +- l2x0_flush_range(new_start, ++ l2c210_flush_range(new_start, + bcm_l2_phys_addr(BCM_VC_EMI_SEC3_START_ADDR-1)); +- l2x0_flush_range(bcm_l2_phys_addr(BCM_VC_EMI_SEC3_START_ADDR), ++ l2c210_flush_range(bcm_l2_phys_addr(BCM_VC_EMI_SEC3_START_ADDR), + new_end); + } + +-static void __init l2x0_of_setup(const struct device_node *np, +- u32 *aux_val, u32 *aux_mask) +-{ +- u32 data[2] = { 0, 0 }; +- u32 tag = 0; +- u32 dirty = 0; +- u32 val = 0, mask = 0; +- +- of_property_read_u32(np, "arm,tag-latency", &tag); +- if (tag) { +- mask |= L2X0_AUX_CTRL_TAG_LATENCY_MASK; +- val |= (tag - 1) << L2X0_AUX_CTRL_TAG_LATENCY_SHIFT; +- } +- +- of_property_read_u32_array(np, "arm,data-latency", +- data, ARRAY_SIZE(data)); +- if (data[0] && data[1]) { +- mask |= L2X0_AUX_CTRL_DATA_RD_LATENCY_MASK | +- L2X0_AUX_CTRL_DATA_WR_LATENCY_MASK; +- val |= ((data[0] - 1) << L2X0_AUX_CTRL_DATA_RD_LATENCY_SHIFT) | +- ((data[1] - 1) << L2X0_AUX_CTRL_DATA_WR_LATENCY_SHIFT); +- } +- +- of_property_read_u32(np, "arm,dirty-latency", &dirty); +- if (dirty) { +- mask |= L2X0_AUX_CTRL_DIRTY_LATENCY_MASK; +- val |= (dirty - 1) << L2X0_AUX_CTRL_DIRTY_LATENCY_SHIFT; +- } +- +- *aux_val &= ~mask; +- *aux_val |= val; +- *aux_mask &= ~mask; +-} +- +-static void __init pl310_of_setup(const struct device_node *np, +- u32 *aux_val, u32 *aux_mask) +-{ +- u32 data[3] = { 0, 0, 0 }; +- u32 tag[3] = { 0, 0, 0 }; +- u32 filter[2] = { 0, 0 }; +- +- of_property_read_u32_array(np, "arm,tag-latency", tag, ARRAY_SIZE(tag)); +- if (tag[0] && tag[1] && tag[2]) +- writel_relaxed( +- ((tag[0] - 1) << L2X0_LATENCY_CTRL_RD_SHIFT) | +- ((tag[1] - 1) << L2X0_LATENCY_CTRL_WR_SHIFT) | +- ((tag[2] - 1) << L2X0_LATENCY_CTRL_SETUP_SHIFT), +- l2x0_base + L2X0_TAG_LATENCY_CTRL); +- +- of_property_read_u32_array(np, "arm,data-latency", +- data, ARRAY_SIZE(data)); +- if (data[0] && data[1] && data[2]) +- writel_relaxed( +- ((data[0] - 1) << L2X0_LATENCY_CTRL_RD_SHIFT) | +- ((data[1] - 1) << L2X0_LATENCY_CTRL_WR_SHIFT) | +- ((data[2] - 1) << L2X0_LATENCY_CTRL_SETUP_SHIFT), +- l2x0_base + L2X0_DATA_LATENCY_CTRL); +- +- of_property_read_u32_array(np, "arm,filter-ranges", +- filter, ARRAY_SIZE(filter)); +- if (filter[1]) { +- writel_relaxed(ALIGN(filter[0] + filter[1], SZ_1M), +- l2x0_base + L2X0_ADDR_FILTER_END); +- writel_relaxed((filter[0] & ~(SZ_1M - 1)) | L2X0_ADDR_FILTER_EN, +- l2x0_base + L2X0_ADDR_FILTER_START); +- } +-} +- +-static void __init pl310_save(void) +-{ +- u32 l2x0_revision = readl_relaxed(l2x0_base + L2X0_CACHE_ID) & +- L2X0_CACHE_ID_RTL_MASK; +- +- l2x0_saved_regs.tag_latency = readl_relaxed(l2x0_base + +- L2X0_TAG_LATENCY_CTRL); +- l2x0_saved_regs.data_latency = readl_relaxed(l2x0_base + +- L2X0_DATA_LATENCY_CTRL); +- l2x0_saved_regs.filter_end = readl_relaxed(l2x0_base + +- L2X0_ADDR_FILTER_END); +- l2x0_saved_regs.filter_start = readl_relaxed(l2x0_base + +- L2X0_ADDR_FILTER_START); +- +- if (l2x0_revision >= L2X0_CACHE_ID_RTL_R2P0) { +- /* +- * From r2p0, there is Prefetch offset/control register +- */ +- l2x0_saved_regs.prefetch_ctrl = readl_relaxed(l2x0_base + +- L2X0_PREFETCH_CTRL); +- /* +- * From r3p0, there is Power control register +- */ +- if (l2x0_revision >= L2X0_CACHE_ID_RTL_R3P0) +- l2x0_saved_regs.pwr_ctrl = readl_relaxed(l2x0_base + +- L2X0_POWER_CTRL); +- } +-} ++/* Broadcom L2C-310 start from ARMs R3P2 or later, and require no fixups */ ++static const struct l2c_init_data of_bcm_l2x0_data __initconst = { ++ .type = "BCM-L2C-310", ++ .way_size_0 = SZ_8K, ++ .num_lock = 8, ++ .of_parse = l2c310_of_parse, ++ .enable = l2c310_enable, ++ .save = l2c310_save, ++ .outer_cache = { ++ .inv_range = bcm_inv_range, ++ .clean_range = bcm_clean_range, ++ .flush_range = bcm_flush_range, ++ .flush_all = l2c210_flush_all, ++ .disable = l2c310_disable, ++ .sync = l2c210_sync, ++ .resume = l2c310_resume, ++ }, ++}; + +-static void aurora_save(void) ++static void __init tauros3_save(void __iomem *base) + { +- l2x0_saved_regs.ctrl = readl_relaxed(l2x0_base + L2X0_CTRL); +- l2x0_saved_regs.aux_ctrl = readl_relaxed(l2x0_base + L2X0_AUX_CTRL); +-} ++ l2c_save(base); + +-static void __init tauros3_save(void) +-{ + l2x0_saved_regs.aux2_ctrl = +- readl_relaxed(l2x0_base + TAUROS3_AUX2_CTRL); ++ readl_relaxed(base + TAUROS3_AUX2_CTRL); + l2x0_saved_regs.prefetch_ctrl = +- readl_relaxed(l2x0_base + L2X0_PREFETCH_CTRL); +-} +- +-static void l2x0_resume(void) +-{ +- if (!(readl_relaxed(l2x0_base + L2X0_CTRL) & L2X0_CTRL_EN)) { +- /* restore aux ctrl and enable l2 */ +- l2x0_unlock(readl_relaxed(l2x0_base + L2X0_CACHE_ID)); +- +- writel_relaxed(l2x0_saved_regs.aux_ctrl, l2x0_base + +- L2X0_AUX_CTRL); +- +- l2x0_inv_all(); +- +- writel_relaxed(L2X0_CTRL_EN, l2x0_base + L2X0_CTRL); +- } +-} +- +-static void pl310_resume(void) +-{ +- u32 l2x0_revision; +- +- if (!(readl_relaxed(l2x0_base + L2X0_CTRL) & L2X0_CTRL_EN)) { +- /* restore pl310 setup */ +- writel_relaxed(l2x0_saved_regs.tag_latency, +- l2x0_base + L2X0_TAG_LATENCY_CTRL); +- writel_relaxed(l2x0_saved_regs.data_latency, +- l2x0_base + L2X0_DATA_LATENCY_CTRL); +- writel_relaxed(l2x0_saved_regs.filter_end, +- l2x0_base + L2X0_ADDR_FILTER_END); +- writel_relaxed(l2x0_saved_regs.filter_start, +- l2x0_base + L2X0_ADDR_FILTER_START); +- +- l2x0_revision = readl_relaxed(l2x0_base + L2X0_CACHE_ID) & +- L2X0_CACHE_ID_RTL_MASK; +- +- if (l2x0_revision >= L2X0_CACHE_ID_RTL_R2P0) { +- writel_relaxed(l2x0_saved_regs.prefetch_ctrl, +- l2x0_base + L2X0_PREFETCH_CTRL); +- if (l2x0_revision >= L2X0_CACHE_ID_RTL_R3P0) +- writel_relaxed(l2x0_saved_regs.pwr_ctrl, +- l2x0_base + L2X0_POWER_CTRL); +- } +- } +- +- l2x0_resume(); +-} +- +-static void aurora_resume(void) +-{ +- if (!(readl(l2x0_base + L2X0_CTRL) & L2X0_CTRL_EN)) { +- writel_relaxed(l2x0_saved_regs.aux_ctrl, +- l2x0_base + L2X0_AUX_CTRL); +- writel_relaxed(l2x0_saved_regs.ctrl, l2x0_base + L2X0_CTRL); +- } ++ readl_relaxed(base + L310_PREFETCH_CTRL); + } + + static void tauros3_resume(void) + { +- if (!(readl_relaxed(l2x0_base + L2X0_CTRL) & L2X0_CTRL_EN)) { ++ void __iomem *base = l2x0_base; ++ ++ if (!(readl_relaxed(base + L2X0_CTRL) & L2X0_CTRL_EN)) { + writel_relaxed(l2x0_saved_regs.aux2_ctrl, +- l2x0_base + TAUROS3_AUX2_CTRL); ++ base + TAUROS3_AUX2_CTRL); + writel_relaxed(l2x0_saved_regs.prefetch_ctrl, +- l2x0_base + L2X0_PREFETCH_CTRL); +- } +- +- l2x0_resume(); +-} +- +-static void __init aurora_broadcast_l2_commands(void) +-{ +- __u32 u; +- /* Enable Broadcasting of cache commands to L2*/ +- __asm__ __volatile__("mrc p15, 1, %0, c15, c2, 0" : "=r"(u)); +- u |= AURORA_CTRL_FW; /* Set the FW bit */ +- __asm__ __volatile__("mcr p15, 1, %0, c15, c2, 0\n" : : "r"(u)); +- isb(); +-} +- +-static void __init aurora_of_setup(const struct device_node *np, +- u32 *aux_val, u32 *aux_mask) +-{ +- u32 val = AURORA_ACR_REPLACEMENT_TYPE_SEMIPLRU; +- u32 mask = AURORA_ACR_REPLACEMENT_MASK; ++ base + L310_PREFETCH_CTRL); + +- of_property_read_u32(np, "cache-id-part", +- &cache_id_part_number_from_dt); +- +- /* Determine and save the write policy */ +- l2_wt_override = of_property_read_bool(np, "wt-override"); +- +- if (l2_wt_override) { +- val |= AURORA_ACR_FORCE_WRITE_THRO_POLICY; +- mask |= AURORA_ACR_FORCE_WRITE_POLICY_MASK; ++ l2c_enable(base, l2x0_saved_regs.aux_ctrl, 8); + } +- +- *aux_val &= ~mask; +- *aux_val |= val; +- *aux_mask &= ~mask; + } + +-static const struct l2x0_of_data pl310_data = { +- .setup = pl310_of_setup, +- .save = pl310_save, +- .outer_cache = { +- .resume = pl310_resume, +- .inv_range = l2x0_inv_range, +- .clean_range = l2x0_clean_range, +- .flush_range = l2x0_flush_range, +- .sync = l2x0_cache_sync, +- .flush_all = l2x0_flush_all, +- .inv_all = l2x0_inv_all, +- .disable = l2x0_disable, +- }, +-}; +- +-static const struct l2x0_of_data l2x0_data = { +- .setup = l2x0_of_setup, +- .save = NULL, +- .outer_cache = { +- .resume = l2x0_resume, +- .inv_range = l2x0_inv_range, +- .clean_range = l2x0_clean_range, +- .flush_range = l2x0_flush_range, +- .sync = l2x0_cache_sync, +- .flush_all = l2x0_flush_all, +- .inv_all = l2x0_inv_all, +- .disable = l2x0_disable, +- }, +-}; +- +-static const struct l2x0_of_data aurora_with_outer_data = { +- .setup = aurora_of_setup, +- .save = aurora_save, +- .outer_cache = { +- .resume = aurora_resume, +- .inv_range = aurora_inv_range, +- .clean_range = aurora_clean_range, +- .flush_range = aurora_flush_range, +- .sync = l2x0_cache_sync, +- .flush_all = l2x0_flush_all, +- .inv_all = l2x0_inv_all, +- .disable = l2x0_disable, +- }, +-}; +- +-static const struct l2x0_of_data aurora_no_outer_data = { +- .setup = aurora_of_setup, +- .save = aurora_save, +- .outer_cache = { +- .resume = aurora_resume, +- }, +-}; +- +-static const struct l2x0_of_data tauros3_data = { +- .setup = NULL, ++static const struct l2c_init_data of_tauros3_data __initconst = { ++ .type = "Tauros3", ++ .way_size_0 = SZ_8K, ++ .num_lock = 8, ++ .enable = l2c_enable, + .save = tauros3_save, + /* Tauros3 broadcasts L1 cache operations to L2 */ + .outer_cache = { +@@ -936,43 +1451,26 @@ + }, + }; + +-static const struct l2x0_of_data bcm_l2x0_data = { +- .setup = pl310_of_setup, +- .save = pl310_save, +- .outer_cache = { +- .resume = pl310_resume, +- .inv_range = bcm_inv_range, +- .clean_range = bcm_clean_range, +- .flush_range = bcm_flush_range, +- .sync = l2x0_cache_sync, +- .flush_all = l2x0_flush_all, +- .inv_all = l2x0_inv_all, +- .disable = l2x0_disable, +- }, +-}; +- ++#define L2C_ID(name, fns) { .compatible = name, .data = (void *)&fns } + static const struct of_device_id l2x0_ids[] __initconst = { +- { .compatible = "arm,l210-cache", .data = (void *)&l2x0_data }, +- { .compatible = "arm,l220-cache", .data = (void *)&l2x0_data }, +- { .compatible = "arm,pl310-cache", .data = (void *)&pl310_data }, +- { .compatible = "bcm,bcm11351-a2-pl310-cache", /* deprecated name */ +- .data = (void *)&bcm_l2x0_data}, +- { .compatible = "brcm,bcm11351-a2-pl310-cache", +- .data = (void *)&bcm_l2x0_data}, +- { .compatible = "marvell,aurora-outer-cache", +- .data = (void *)&aurora_with_outer_data}, +- { .compatible = "marvell,aurora-system-cache", +- .data = (void *)&aurora_no_outer_data}, +- { .compatible = "marvell,tauros3-cache", +- .data = (void *)&tauros3_data }, ++ L2C_ID("arm,l210-cache", of_l2c210_data), ++ L2C_ID("arm,l220-cache", of_l2c220_data), ++ L2C_ID("arm,pl310-cache", of_l2c310_data), ++ L2C_ID("brcm,bcm11351-a2-pl310-cache", of_bcm_l2x0_data), ++ L2C_ID("marvell,aurora-outer-cache", of_aurora_with_outer_data), ++ L2C_ID("marvell,aurora-system-cache", of_aurora_no_outer_data), ++ L2C_ID("marvell,tauros3-cache", of_tauros3_data), ++ /* Deprecated IDs */ ++ L2C_ID("bcm,bcm11351-a2-pl310-cache", of_bcm_l2x0_data), + {} + }; + + int __init l2x0_of_init(u32 aux_val, u32 aux_mask) + { ++ const struct l2c_init_data *data; + struct device_node *np; +- const struct l2x0_of_data *data; + struct resource res; ++ u32 cache_id, old_aux; + + np = of_find_matching_node(NULL, l2x0_ids); + if (!np) +@@ -989,23 +1487,29 @@ + + data = of_match_node(l2x0_ids, np)->data; + +- /* L2 configuration can only be changed if the cache is disabled */ +- if (!(readl_relaxed(l2x0_base + L2X0_CTRL) & L2X0_CTRL_EN)) { +- if (data->setup) +- data->setup(np, &aux_val, &aux_mask); +- +- /* For aurora cache in no outer mode select the +- * correct mode using the coprocessor*/ +- if (data == &aurora_no_outer_data) +- aurora_broadcast_l2_commands(); ++ old_aux = readl_relaxed(l2x0_base + L2X0_AUX_CTRL); ++ if (old_aux != ((old_aux & aux_mask) | aux_val)) { ++ pr_warn("L2C: platform modifies aux control register: 0x%08x -> 0x%08x\n", ++ old_aux, (old_aux & aux_mask) | aux_val); ++ } else if (aux_mask != ~0U && aux_val != 0) { ++ pr_alert("L2C: platform provided aux values match the hardware, so have no effect. Please remove them.\n"); + } + +- if (data->save) +- data->save(); ++ /* All L2 caches are unified, so this property should be specified */ ++ if (!of_property_read_bool(np, "cache-unified")) ++ pr_err("L2C: device tree omits to specify unified cache\n"); ++ ++ /* L2 configuration can only be changed if the cache is disabled */ ++ if (!(readl_relaxed(l2x0_base + L2X0_CTRL) & L2X0_CTRL_EN)) ++ if (data->of_parse) ++ data->of_parse(np, &aux_val, &aux_mask); ++ ++ if (cache_id_part_number_from_dt) ++ cache_id = cache_id_part_number_from_dt; ++ else ++ cache_id = readl_relaxed(l2x0_base + L2X0_CACHE_ID); + +- of_init = true; +- memcpy(&outer_cache, &data->outer_cache, sizeof(outer_cache)); +- l2x0_init(l2x0_base, aux_val, aux_mask); ++ __l2c_init(data, aux_val, aux_mask, cache_id); + + return 0; + } +diff -Nur linux-3.15-rc6.orig/arch/arm/mm/Kconfig linux-3.15-rc6/arch/arm/mm/Kconfig +--- linux-3.15-rc6.orig/arch/arm/mm/Kconfig 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/arch/arm/mm/Kconfig 2014-05-23 11:26:48.280939953 +0200 +@@ -897,6 +897,57 @@ + This option enables optimisations for the PL310 cache + controller. + ++config PL310_ERRATA_588369 ++ bool "PL310 errata: Clean & Invalidate maintenance operations do not invalidate clean lines" ++ depends on CACHE_L2X0 ++ help ++ The PL310 L2 cache controller implements three types of Clean & ++ Invalidate maintenance operations: by Physical Address ++ (offset 0x7F0), by Index/Way (0x7F8) and by Way (0x7FC). ++ They are architecturally defined to behave as the execution of a ++ clean operation followed immediately by an invalidate operation, ++ both performing to the same memory location. This functionality ++ is not correctly implemented in PL310 as clean lines are not ++ invalidated as a result of these operations. ++ ++config PL310_ERRATA_727915 ++ bool "PL310 errata: Background Clean & Invalidate by Way operation can cause data corruption" ++ depends on CACHE_L2X0 ++ help ++ PL310 implements the Clean & Invalidate by Way L2 cache maintenance ++ operation (offset 0x7FC). This operation runs in background so that ++ PL310 can handle normal accesses while it is in progress. Under very ++ rare circumstances, due to this erratum, write data can be lost when ++ PL310 treats a cacheable write transaction during a Clean & ++ Invalidate by Way operation. ++ ++config PL310_ERRATA_753970 ++ bool "PL310 errata: cache sync operation may be faulty" ++ depends on CACHE_PL310 ++ help ++ This option enables the workaround for the 753970 PL310 (r3p0) erratum. ++ ++ Under some condition the effect of cache sync operation on ++ the store buffer still remains when the operation completes. ++ This means that the store buffer is always asked to drain and ++ this prevents it from merging any further writes. The workaround ++ is to replace the normal offset of cache sync operation (0x730) ++ by another offset targeting an unmapped PL310 register 0x740. ++ This has the same effect as the cache sync operation: store buffer ++ drain and waiting for all buffers empty. ++ ++config PL310_ERRATA_769419 ++ bool "PL310 errata: no automatic Store Buffer drain" ++ depends on CACHE_L2X0 ++ help ++ On revisions of the PL310 prior to r3p2, the Store Buffer does ++ not automatically drain. This can cause normal, non-cacheable ++ writes to be retained when the memory system is idle, leading ++ to suboptimal I/O performance for drivers using coherent DMA. ++ This option adds a write barrier to the cpu_idle loop so that, ++ on systems with an outer cache, the store buffer is drained ++ explicitly. ++ + config CACHE_TAUROS2 + bool "Enable the Tauros2 L2 cache controller" + depends on (ARCH_DOVE || ARCH_MMP || CPU_PJ4) +diff -Nur linux-3.15-rc6.orig/arch/arm/mm/l2c-common.c linux-3.15-rc6/arch/arm/mm/l2c-common.c +--- linux-3.15-rc6.orig/arch/arm/mm/l2c-common.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-3.15-rc6/arch/arm/mm/l2c-common.c 2014-05-23 11:26:48.284939966 +0200 +@@ -0,0 +1,20 @@ ++/* ++ * Copyright (C) 2010 ARM Ltd. ++ * Written by Catalin Marinas ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License version 2 as ++ * published by the Free Software Foundation. ++ */ ++#include ++#include ++#include ++ ++void outer_disable(void) ++{ ++ WARN_ON(!irqs_disabled()); ++ WARN_ON(num_online_cpus() > 1); ++ ++ if (outer_cache.disable) ++ outer_cache.disable(); ++} +diff -Nur linux-3.15-rc6.orig/arch/arm/mm/l2c-l2x0-resume.S linux-3.15-rc6/arch/arm/mm/l2c-l2x0-resume.S +--- linux-3.15-rc6.orig/arch/arm/mm/l2c-l2x0-resume.S 1970-01-01 01:00:00.000000000 +0100 ++++ linux-3.15-rc6/arch/arm/mm/l2c-l2x0-resume.S 2014-05-23 11:26:48.284939966 +0200 +@@ -0,0 +1,58 @@ ++/* ++ * L2C-310 early resume code. This can be used by platforms to restore ++ * the settings of their L2 cache controller before restoring the ++ * processor state. ++ * ++ * This code can only be used to if you are running in the secure world. ++ */ ++#include ++#include ++ ++ .text ++ ++ENTRY(l2c310_early_resume) ++ adr r0, 1f ++ ldr r2, [r0] ++ add r0, r2, r0 ++ ++ ldmia r0, {r1, r2, r3, r4, r5, r6, r7, r8} ++ @ r1 = phys address of L2C-310 controller ++ @ r2 = aux_ctrl ++ @ r3 = tag_latency ++ @ r4 = data_latency ++ @ r5 = filter_start ++ @ r6 = filter_end ++ @ r7 = prefetch_ctrl ++ @ r8 = pwr_ctrl ++ ++ @ Check that the address has been initialised ++ teq r1, #0 ++ moveq pc, lr ++ ++ @ The prefetch and power control registers are revision dependent ++ @ and can be written whether or not the L2 cache is enabled ++ ldr r0, [r1, #L2X0_CACHE_ID] ++ and r0, r0, #L2X0_CACHE_ID_RTL_MASK ++ cmp r0, #L310_CACHE_ID_RTL_R2P0 ++ strcs r7, [r1, #L310_PREFETCH_CTRL] ++ cmp r0, #L310_CACHE_ID_RTL_R3P0 ++ strcs r8, [r1, #L310_POWER_CTRL] ++ ++ @ Don't setup the L2 cache if it is already enabled ++ ldr r0, [r1, #L2X0_CTRL] ++ tst r0, #L2X0_CTRL_EN ++ movne pc, lr ++ ++ str r3, [r1, #L310_TAG_LATENCY_CTRL] ++ str r4, [r1, #L310_DATA_LATENCY_CTRL] ++ str r6, [r1, #L310_ADDR_FILTER_END] ++ str r5, [r1, #L310_ADDR_FILTER_START] ++ ++ str r2, [r1, #L2X0_AUX_CTRL] ++ mov r9, #L2X0_CTRL_EN ++ str r9, [r1, #L2X0_CTRL] ++ mov pc, lr ++ENDPROC(l2c310_early_resume) ++ ++ .align ++1: .long l2x0_saved_regs - . +diff -Nur linux-3.15-rc6.orig/arch/arm/mm/Makefile linux-3.15-rc6/arch/arm/mm/Makefile +--- linux-3.15-rc6.orig/arch/arm/mm/Makefile 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/arch/arm/mm/Makefile 2014-05-23 11:26:48.284939966 +0200 +@@ -95,7 +95,8 @@ + AFLAGS_proc-v6.o :=-Wa,-march=armv6 + AFLAGS_proc-v7.o :=-Wa,-march=armv7-a + ++obj-$(CONFIG_OUTER_CACHE) += l2c-common.o + obj-$(CONFIG_CACHE_FEROCEON_L2) += cache-feroceon-l2.o +-obj-$(CONFIG_CACHE_L2X0) += cache-l2x0.o ++obj-$(CONFIG_CACHE_L2X0) += cache-l2x0.o l2c-l2x0-resume.o + obj-$(CONFIG_CACHE_XSC3L2) += cache-xsc3l2.o + obj-$(CONFIG_CACHE_TAUROS2) += cache-tauros2.o +diff -Nur linux-3.15-rc6.orig/arch/arm/plat-samsung/s5p-sleep.S linux-3.15-rc6/arch/arm/plat-samsung/s5p-sleep.S +--- linux-3.15-rc6.orig/arch/arm/plat-samsung/s5p-sleep.S 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/arch/arm/plat-samsung/s5p-sleep.S 2014-05-23 11:26:48.284939966 +0200 +@@ -22,7 +22,6 @@ + */ + + #include +-#include + + .data + .align +diff -Nur linux-3.15-rc6.orig/Documentation/devicetree/bindings/leds/leds-pwm.txt linux-3.15-rc6/Documentation/devicetree/bindings/leds/leds-pwm.txt +--- linux-3.15-rc6.orig/Documentation/devicetree/bindings/leds/leds-pwm.txt 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/Documentation/devicetree/bindings/leds/leds-pwm.txt 2014-05-23 11:26:48.284939966 +0200 +@@ -13,6 +13,8 @@ + For the pwms and pwm-names property please refer to: + Documentation/devicetree/bindings/pwm/pwm.txt + - max-brightness : Maximum brightness possible for the LED ++- active-low : (optional) For PWMs where the LED is wired to supply ++ rather than ground. + - label : (optional) + see Documentation/devicetree/bindings/leds/common.txt + - linux,default-trigger : (optional) +diff -Nur linux-3.15-rc6.orig/Documentation/devicetree/bindings/mmc/mmc.txt linux-3.15-rc6/Documentation/devicetree/bindings/mmc/mmc.txt +--- linux-3.15-rc6.orig/Documentation/devicetree/bindings/mmc/mmc.txt 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/Documentation/devicetree/bindings/mmc/mmc.txt 2014-05-23 11:26:48.284939966 +0200 +@@ -5,6 +5,8 @@ + Interpreted by the OF core: + - reg: Registers location and length. + - interrupts: Interrupts used by the MMC controller. ++- clocks: Clocks needed for the host controller, if any. ++- clock-names: Goes with clocks above. + + Card detection: + If no property below is supplied, host native card detect is used. +@@ -39,6 +41,15 @@ + - mmc-hs200-1_8v: eMMC HS200 mode(1.8V I/O) is supported + - mmc-hs200-1_2v: eMMC HS200 mode(1.2V I/O) is supported + ++Card power and reset control: ++The following properties can be specified for cases where the MMC ++peripheral needs additional reset, regulator and clock lines. It is for ++example common for WiFi/BT adapters to have these separate from the main ++MMC bus: ++ - card-reset-gpios: Specify GPIOs for card reset (reset active low) ++ - card-external-vcc-supply: Regulator to drive (independent) card VCC ++ - clock with name "card_ext_clock": External clock provided to the card ++ + *NOTE* on CD and WP polarity. To use common for all SD/MMC host controllers line + polarity properties, we have to fix the meaning of the "normal" and "inverted" + line levels. We choose to follow the SDHCI standard, which specifies both those +diff -Nur linux-3.15-rc6.orig/Documentation/devicetree/bindings/staging/imx-drm/fsl-imx-drm.txt linux-3.15-rc6/Documentation/devicetree/bindings/staging/imx-drm/fsl-imx-drm.txt +--- linux-3.15-rc6.orig/Documentation/devicetree/bindings/staging/imx-drm/fsl-imx-drm.txt 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/Documentation/devicetree/bindings/staging/imx-drm/fsl-imx-drm.txt 2014-05-23 11:26:48.288939979 +0200 +@@ -60,7 +60,8 @@ + - compatible: Should be "fsl,imx-parallel-display" + Optional properties: + - interface_pix_fmt: How this display is connected to the +- display interface. Currently supported types: "rgb24", "rgb565", "bgr666" ++ display interface. Currently supported types: "rgb24", "rgb565", "bgr666", ++ "rgb666" + - edid: verbatim EDID data block describing attached display. + - ddc: phandle describing the i2c bus handling the display data + channel +diff -Nur linux-3.15-rc6.orig/Documentation/DocBook/media/v4l/pixfmt-packed-rgb.xml linux-3.15-rc6/Documentation/DocBook/media/v4l/pixfmt-packed-rgb.xml +--- linux-3.15-rc6.orig/Documentation/DocBook/media/v4l/pixfmt-packed-rgb.xml 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/Documentation/DocBook/media/v4l/pixfmt-packed-rgb.xml 2014-05-23 11:26:48.288939979 +0200 +@@ -279,6 +279,45 @@ + + + ++ ++ V4L2_PIX_FMT_RGB666 ++ 'RGBH' ++ ++ r5 ++ r4 ++ r3 ++ r2 ++ r1 ++ r0 ++ g5 ++ g4 ++ ++ g3 ++ g2 ++ g1 ++ g0 ++ b5 ++ b4 ++ b3 ++ b2 ++ ++ b1 ++ b0 ++ ++ ++ ++ ++ ++ ++ ++ ++ ++ ++ ++ ++ ++ ++ + + V4L2_PIX_FMT_BGR24 + 'BGR3' +diff -Nur linux-3.15-rc6.orig/drivers/ata/ahci_imx.c linux-3.15-rc6/drivers/ata/ahci_imx.c +--- linux-3.15-rc6.orig/drivers/ata/ahci_imx.c 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/drivers/ata/ahci_imx.c 2014-05-23 11:26:48.288939979 +0200 +@@ -62,6 +62,7 @@ + struct regmap *gpr; + bool no_device; + bool first_time; ++ u32 phy_params; + }; + + static int ahci_imx_hotplug; +@@ -246,14 +247,7 @@ + IMX6Q_GPR13_SATA_TX_LVL_MASK | + IMX6Q_GPR13_SATA_MPLL_CLK_EN | + IMX6Q_GPR13_SATA_TX_EDGE_RATE, +- IMX6Q_GPR13_SATA_RX_EQ_VAL_3_0_DB | +- IMX6Q_GPR13_SATA_RX_LOS_LVL_SATA2M | +- IMX6Q_GPR13_SATA_RX_DPLL_MODE_2P_4F | +- IMX6Q_GPR13_SATA_SPD_MODE_3P0G | +- IMX6Q_GPR13_SATA_MPLL_SS_EN | +- IMX6Q_GPR13_SATA_TX_ATTEN_9_16 | +- IMX6Q_GPR13_SATA_TX_BOOST_3_33_DB | +- IMX6Q_GPR13_SATA_TX_LVL_1_025_V); ++ imxpriv->phy_params); + regmap_update_bits(imxpriv->gpr, IOMUXC_GPR13, + IMX6Q_GPR13_SATA_MPLL_CLK_EN, + IMX6Q_GPR13_SATA_MPLL_CLK_EN); +@@ -324,6 +318,10 @@ + writel(reg_val | IMX_P0PHYCR_TEST_PDDQ, mmio + IMX_P0PHYCR); + imx_sata_disable(hpriv); + imxpriv->no_device = true; ++ ++ dev_info(ap->dev, "no device found, disabling link.\n"); ++ dev_info(ap->dev, "pass " MODULE_PARAM_PREFIX ++ ".hotplug=1 to enable hotplug\n"); + } + + static int ahci_imx_softreset(struct ata_link *link, unsigned int *class, +@@ -364,6 +362,165 @@ + }; + MODULE_DEVICE_TABLE(of, imx_ahci_of_match); + ++struct reg_value { ++ u32 of_value; ++ u32 reg_value; ++}; ++ ++struct reg_property { ++ const char *name; ++ const struct reg_value *values; ++ size_t num_values; ++ u32 def_value; ++ u32 set_value; ++}; ++ ++static const struct reg_value gpr13_tx_level[] = { ++ { 937, IMX6Q_GPR13_SATA_TX_LVL_0_937_V }, ++ { 947, IMX6Q_GPR13_SATA_TX_LVL_0_947_V }, ++ { 957, IMX6Q_GPR13_SATA_TX_LVL_0_957_V }, ++ { 966, IMX6Q_GPR13_SATA_TX_LVL_0_966_V }, ++ { 976, IMX6Q_GPR13_SATA_TX_LVL_0_976_V }, ++ { 986, IMX6Q_GPR13_SATA_TX_LVL_0_986_V }, ++ { 996, IMX6Q_GPR13_SATA_TX_LVL_0_996_V }, ++ { 1005, IMX6Q_GPR13_SATA_TX_LVL_1_005_V }, ++ { 1015, IMX6Q_GPR13_SATA_TX_LVL_1_015_V }, ++ { 1025, IMX6Q_GPR13_SATA_TX_LVL_1_025_V }, ++ { 1035, IMX6Q_GPR13_SATA_TX_LVL_1_035_V }, ++ { 1045, IMX6Q_GPR13_SATA_TX_LVL_1_045_V }, ++ { 1054, IMX6Q_GPR13_SATA_TX_LVL_1_054_V }, ++ { 1064, IMX6Q_GPR13_SATA_TX_LVL_1_064_V }, ++ { 1074, IMX6Q_GPR13_SATA_TX_LVL_1_074_V }, ++ { 1084, IMX6Q_GPR13_SATA_TX_LVL_1_084_V }, ++ { 1094, IMX6Q_GPR13_SATA_TX_LVL_1_094_V }, ++ { 1104, IMX6Q_GPR13_SATA_TX_LVL_1_104_V }, ++ { 1113, IMX6Q_GPR13_SATA_TX_LVL_1_113_V }, ++ { 1123, IMX6Q_GPR13_SATA_TX_LVL_1_123_V }, ++ { 1133, IMX6Q_GPR13_SATA_TX_LVL_1_133_V }, ++ { 1143, IMX6Q_GPR13_SATA_TX_LVL_1_143_V }, ++ { 1152, IMX6Q_GPR13_SATA_TX_LVL_1_152_V }, ++ { 1162, IMX6Q_GPR13_SATA_TX_LVL_1_162_V }, ++ { 1172, IMX6Q_GPR13_SATA_TX_LVL_1_172_V }, ++ { 1182, IMX6Q_GPR13_SATA_TX_LVL_1_182_V }, ++ { 1191, IMX6Q_GPR13_SATA_TX_LVL_1_191_V }, ++ { 1201, IMX6Q_GPR13_SATA_TX_LVL_1_201_V }, ++ { 1211, IMX6Q_GPR13_SATA_TX_LVL_1_211_V }, ++ { 1221, IMX6Q_GPR13_SATA_TX_LVL_1_221_V }, ++ { 1230, IMX6Q_GPR13_SATA_TX_LVL_1_230_V }, ++ { 1240, IMX6Q_GPR13_SATA_TX_LVL_1_240_V } ++}; ++ ++static const struct reg_value gpr13_tx_boost[] = { ++ { 0, IMX6Q_GPR13_SATA_TX_BOOST_0_00_DB }, ++ { 370, IMX6Q_GPR13_SATA_TX_BOOST_0_37_DB }, ++ { 740, IMX6Q_GPR13_SATA_TX_BOOST_0_74_DB }, ++ { 111, IMX6Q_GPR13_SATA_TX_BOOST_1_11_DB }, ++ { 148, IMX6Q_GPR13_SATA_TX_BOOST_1_48_DB }, ++ { 185, IMX6Q_GPR13_SATA_TX_BOOST_1_85_DB }, ++ { 222, IMX6Q_GPR13_SATA_TX_BOOST_2_22_DB }, ++ { 259, IMX6Q_GPR13_SATA_TX_BOOST_2_59_DB }, ++ { 296, IMX6Q_GPR13_SATA_TX_BOOST_2_96_DB }, ++ { 333, IMX6Q_GPR13_SATA_TX_BOOST_3_33_DB }, ++ { 370, IMX6Q_GPR13_SATA_TX_BOOST_3_70_DB }, ++ { 407, IMX6Q_GPR13_SATA_TX_BOOST_4_07_DB }, ++ { 444, IMX6Q_GPR13_SATA_TX_BOOST_4_44_DB }, ++ { 481, IMX6Q_GPR13_SATA_TX_BOOST_4_81_DB }, ++ { 528, IMX6Q_GPR13_SATA_TX_BOOST_5_28_DB }, ++ { 575, IMX6Q_GPR13_SATA_TX_BOOST_5_75_DB } ++}; ++ ++static const struct reg_value gpr13_tx_atten[] = { ++ { 8, IMX6Q_GPR13_SATA_TX_ATTEN_8_16 }, ++ { 9, IMX6Q_GPR13_SATA_TX_ATTEN_9_16 }, ++ { 10, IMX6Q_GPR13_SATA_TX_ATTEN_10_16 }, ++ { 12, IMX6Q_GPR13_SATA_TX_ATTEN_12_16 }, ++ { 14, IMX6Q_GPR13_SATA_TX_ATTEN_14_16 }, ++ { 16, IMX6Q_GPR13_SATA_TX_ATTEN_16_16 }, ++}; ++ ++static const struct reg_value gpr13_rx_eq[] = { ++ { 500, IMX6Q_GPR13_SATA_RX_EQ_VAL_0_5_DB }, ++ { 1000, IMX6Q_GPR13_SATA_RX_EQ_VAL_1_0_DB }, ++ { 1500, IMX6Q_GPR13_SATA_RX_EQ_VAL_1_5_DB }, ++ { 2000, IMX6Q_GPR13_SATA_RX_EQ_VAL_2_0_DB }, ++ { 2500, IMX6Q_GPR13_SATA_RX_EQ_VAL_2_5_DB }, ++ { 3000, IMX6Q_GPR13_SATA_RX_EQ_VAL_3_0_DB }, ++ { 3500, IMX6Q_GPR13_SATA_RX_EQ_VAL_3_5_DB }, ++ { 4000, IMX6Q_GPR13_SATA_RX_EQ_VAL_4_0_DB }, ++}; ++ ++static const struct reg_property gpr13_props[] = { ++ { ++ .name = "fsl,transmit-level-mV", ++ .values = gpr13_tx_level, ++ .num_values = ARRAY_SIZE(gpr13_tx_level), ++ .def_value = IMX6Q_GPR13_SATA_TX_LVL_1_025_V, ++ }, { ++ .name = "fsl,transmit-boost-mdB", ++ .values = gpr13_tx_boost, ++ .num_values = ARRAY_SIZE(gpr13_tx_boost), ++ .def_value = IMX6Q_GPR13_SATA_TX_BOOST_3_33_DB, ++ }, { ++ .name = "fsl,transmit-atten-16ths", ++ .values = gpr13_tx_atten, ++ .num_values = ARRAY_SIZE(gpr13_tx_atten), ++ .def_value = IMX6Q_GPR13_SATA_TX_ATTEN_9_16, ++ }, { ++ .name = "fsl,receive-eq-mdB", ++ .values = gpr13_rx_eq, ++ .num_values = ARRAY_SIZE(gpr13_rx_eq), ++ .def_value = IMX6Q_GPR13_SATA_RX_EQ_VAL_3_0_DB, ++ }, { ++ .name = "fsl,no-spread-spectrum", ++ .def_value = IMX6Q_GPR13_SATA_MPLL_SS_EN, ++ .set_value = 0, ++ }, ++}; ++ ++static u32 imx_ahci_parse_props(struct device *dev, ++ const struct reg_property *prop, size_t num) ++{ ++ struct device_node *np = dev->of_node; ++ u32 reg_value = 0; ++ int i, j; ++ ++ for (i = 0; i < num; i++, prop++) { ++ u32 of_val; ++ ++ if (prop->num_values == 0) { ++ if (of_property_read_bool(np, prop->name)) ++ reg_value |= prop->set_value; ++ else ++ reg_value |= prop->def_value; ++ continue; ++ } ++ ++ if (of_property_read_u32(np, prop->name, &of_val)) { ++ dev_info(dev, "%s not specified, using %08x\n", ++ prop->name, prop->def_value); ++ reg_value |= prop->def_value; ++ continue; ++ } ++ ++ for (j = 0; j < prop->num_values; j++) { ++ if (prop->values[j].of_value == of_val) { ++ dev_info(dev, "%s value %u, using %08x\n", ++ prop->name, of_val, prop->values[j].reg_value); ++ reg_value |= prop->values[j].reg_value; ++ break; ++ } ++ } ++ ++ if (j == prop->num_values) { ++ dev_err(dev, "DT property %s is not a valid value\n", ++ prop->name); ++ reg_value |= prop->def_value; ++ } ++ } ++ ++ return reg_value; ++} ++ + static int imx_ahci_probe(struct platform_device *pdev) + { + struct device *dev = &pdev->dev; +@@ -392,6 +549,8 @@ + } + + if (imxpriv->type == AHCI_IMX6Q) { ++ u32 reg_value; ++ + imxpriv->gpr = syscon_regmap_lookup_by_compatible( + "fsl,imx6q-iomuxc-gpr"); + if (IS_ERR(imxpriv->gpr)) { +@@ -399,6 +558,15 @@ + "failed to find fsl,imx6q-iomux-gpr regmap\n"); + return PTR_ERR(imxpriv->gpr); + } ++ ++ reg_value = imx_ahci_parse_props(dev, gpr13_props, ++ ARRAY_SIZE(gpr13_props)); ++ ++ imxpriv->phy_params = ++ IMX6Q_GPR13_SATA_RX_LOS_LVL_SATA2M | ++ IMX6Q_GPR13_SATA_RX_DPLL_MODE_2P_4F | ++ IMX6Q_GPR13_SATA_SPD_MODE_3P0G | ++ reg_value; + } + + hpriv = ahci_platform_get_resources(pdev); +diff -Nur linux-3.15-rc6.orig/drivers/cec/cec-dev.c linux-3.15-rc6/drivers/cec/cec-dev.c +--- linux-3.15-rc6.orig/drivers/cec/cec-dev.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-3.15-rc6/drivers/cec/cec-dev.c 2014-05-23 11:26:48.296940005 +0200 +@@ -0,0 +1,384 @@ ++/* ++ * HDMI Consumer Electronics Control ++ * ++ * This provides the user API for communication with HDMI CEC complaint ++ * devices in kernel drivers, and is based upon the protocol developed ++ * by Freescale for their i.MX SoCs. ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License version 2 as ++ * published by the Free Software Foundation. ++ */ ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++ ++struct cec_event { ++ struct cec_user_event usr; ++ struct list_head node; ++}; ++ ++static struct class *cec_class; ++static int cec_major; ++ ++static void cec_dev_send_message(struct cec_dev *cec_dev, u8 *msg, ++ size_t count) ++{ ++ unsigned long flags; ++ ++ spin_lock_irqsave(&cec_dev->lock, flags); ++ cec_dev->retries = 5; ++ cec_dev->write_busy = 1; ++ cec_dev->send_message(cec_dev, msg, count); ++ spin_unlock_irqrestore(&cec_dev->lock, flags); ++} ++ ++void cec_dev_event(struct cec_dev *cec_dev, int type, u8 *msg, size_t len) ++{ ++ struct cec_event *event; ++ unsigned long flags; ++ ++ event = kzalloc(sizeof(*event), GFP_ATOMIC); ++ if (event) { ++ event->usr.event_type = type; ++ event->usr.msg_len = len; ++ if (msg) ++ memcpy(event->usr.msg, msg, len); ++ ++ spin_lock_irqsave(&cec_dev->lock, flags); ++ list_add_tail(&event->node, &cec_dev->events); ++ spin_unlock_irqrestore(&cec_dev->lock, flags); ++ wake_up(&cec_dev->waitq); ++ } ++} ++EXPORT_SYMBOL_GPL(cec_dev_event); ++ ++static int cec_dev_lock_write(struct cec_dev *cec_dev, struct file *file) ++ __acquires(cec_dev->mutex) ++{ ++ int ret; ++ ++ do { ++ if (file->f_flags & O_NONBLOCK) { ++ if (cec_dev->write_busy) ++ return -EAGAIN; ++ } else { ++ ret = wait_event_interruptible(cec_dev->waitq, ++ !cec_dev->write_busy); ++ if (ret) ++ break; ++ } ++ ++ ret = mutex_lock_interruptible(&cec_dev->mutex); ++ if (ret) ++ break; ++ ++ if (!cec_dev->write_busy) ++ break; ++ ++ mutex_unlock(&cec_dev->mutex); ++ } while (1); ++ ++ return ret; ++} ++ ++static ssize_t cec_dev_read(struct file *file, char __user *buf, ++ size_t count, loff_t *ppos) ++{ ++ struct cec_dev *cec_dev = file->private_data; ++ ssize_t ret; ++ ++ if (count > sizeof(struct cec_user_event)) ++ count = sizeof(struct cec_user_event); ++ ++ if (!access_ok(VERIFY_WRITE, buf, count)) ++ return -EFAULT; ++ ++ do { ++ struct cec_event *event = NULL; ++ unsigned long flags; ++ ++ spin_lock_irqsave(&cec_dev->lock, flags); ++ if (!list_empty(&cec_dev->events)) { ++ event = list_first_entry(&cec_dev->events, ++ struct cec_event, node); ++ list_del(&event->node); ++ } ++ spin_unlock_irqrestore(&cec_dev->lock, flags); ++ ++ if (event) { ++ ret = __copy_to_user(buf, &event->usr, count) ? ++ -EFAULT : count; ++ kfree(event); ++ break; ++ } ++ ++ if (file->f_flags & O_NONBLOCK) { ++ ret = -EAGAIN; ++ break; ++ } ++ ++ ret = wait_event_interruptible(cec_dev->waitq, ++ !list_empty(&cec_dev->events)); ++ if (ret) ++ break; ++ } while (1); ++ ++ return ret; ++} ++ ++static ssize_t cec_dev_write(struct file *file, const char __user *buf, ++ size_t count, loff_t *ppos) ++{ ++ struct cec_dev *cec_dev = file->private_data; ++ u8 msg[MAX_MESSAGE_LEN]; ++ int ret; ++ ++ if (count > sizeof(msg)) ++ return -E2BIG; ++ ++ if (copy_from_user(msg, buf, count)) ++ return -EFAULT; ++ ++ ret = cec_dev_lock_write(cec_dev, file); ++ if (ret) ++ return ret; ++ ++ cec_dev_send_message(cec_dev, msg, count); ++ ++ mutex_unlock(&cec_dev->mutex); ++ ++ return count; ++} ++ ++static long cec_dev_ioctl(struct file *file, u_int cmd, unsigned long arg) ++{ ++ struct cec_dev *cec_dev = file->private_data; ++ int ret; ++ ++ switch (cmd) { ++ case HDMICEC_IOC_O_SETLOGICALADDRESS: ++ case HDMICEC_IOC_SETLOGICALADDRESS: ++ if (arg > 15) { ++ ret = -EINVAL; ++ break; ++ } ++ ++ ret = cec_dev_lock_write(cec_dev, file); ++ if (ret == 0) { ++ unsigned char msg[1]; ++ ++ cec_dev->addresses = BIT(arg); ++ cec_dev->set_address(cec_dev, cec_dev->addresses); ++ ++ /* ++ * Send a ping message with the source and destination ++ * set to our address; the result indicates whether ++ * unit has chosen our address simultaneously. ++ */ ++ msg[0] = arg << 4 | arg; ++ cec_dev_send_message(cec_dev, msg, sizeof(msg)); ++ mutex_unlock(&cec_dev->mutex); ++ } ++ break; ++ ++ case HDMICEC_IOC_STARTDEVICE: ++ ret = mutex_lock_interruptible(&cec_dev->mutex); ++ if (ret == 0) { ++ cec_dev->addresses = BIT(15); ++ cec_dev->set_address(cec_dev, cec_dev->addresses); ++ mutex_unlock(&cec_dev->mutex); ++ } ++ break; ++ ++ case HDMICEC_IOC_STOPDEVICE: ++ ret = 0; ++ break; ++ ++ case HDMICEC_IOC_GETPHYADDRESS: ++ ret = put_user(cec_dev->physical, (u16 __user *)arg); ++ ret = -ENOIOCTLCMD; ++ break; ++ ++ default: ++ ret = -ENOIOCTLCMD; ++ break; ++ } ++ ++ return ret; ++} ++ ++static unsigned cec_dev_poll(struct file *file, poll_table *wait) ++{ ++ struct cec_dev *cec_dev = file->private_data; ++ unsigned mask = 0; ++ ++ poll_wait(file, &cec_dev->waitq, wait); ++ ++ if (cec_dev->write_busy == 0) ++ mask |= POLLOUT | POLLWRNORM; ++ if (!list_empty(&cec_dev->events)) ++ mask |= POLLIN | POLLRDNORM; ++ ++ return mask; ++} ++ ++static int cec_dev_release(struct inode *inode, struct file *file) ++{ ++ struct cec_dev *cec_dev = file->private_data; ++ ++ mutex_lock(&cec_dev->mutex); ++ if (cec_dev->users >= 1) ++ cec_dev->users -= 1; ++ if (cec_dev->users == 0) { ++ /* ++ * Wait for any write to complete before shutting down. ++ * A message should complete in a maximum of 2.75ms * ++ * 160 bits + 4.7ms, or 444.7ms. Let's call that 500ms. ++ * If we time out, shutdown anyway. ++ */ ++ wait_event_timeout(cec_dev->waitq, !cec_dev->write_busy, ++ msecs_to_jiffies(500)); ++ ++ cec_dev->release(cec_dev); ++ ++ while (!list_empty(&cec_dev->events)) { ++ struct cec_event *event; ++ ++ event = list_first_entry(&cec_dev->events, ++ struct cec_event, node); ++ list_del(&event->node); ++ kfree(event); ++ } ++ } ++ mutex_unlock(&cec_dev->mutex); ++ return 0; ++} ++ ++static int cec_dev_open(struct inode *inode, struct file *file) ++{ ++ struct cec_dev *cec_dev = container_of(inode->i_cdev, struct cec_dev, ++ cdev); ++ int ret = 0; ++ ++ nonseekable_open(inode, file); ++ ++ file->private_data = cec_dev; ++ ++ ret = mutex_lock_interruptible(&cec_dev->mutex); ++ if (ret) ++ return ret; ++ ++ if (cec_dev->users++ == 0) { ++ cec_dev->addresses = BIT(15); ++ ++ ret = cec_dev->open(cec_dev); ++ if (ret < 0) ++ cec_dev->users = 0; ++ } ++ mutex_unlock(&cec_dev->mutex); ++ ++ return ret; ++} ++ ++static const struct file_operations hdmi_cec_fops = { ++ .owner = THIS_MODULE, ++ .read = cec_dev_read, ++ .write = cec_dev_write, ++ .open = cec_dev_open, ++ .unlocked_ioctl = cec_dev_ioctl, ++ .release = cec_dev_release, ++ .poll = cec_dev_poll, ++}; ++ ++void cec_dev_init(struct cec_dev *cec_dev, struct module *module) ++{ ++ cec_dev->devn = MKDEV(cec_major, 0); ++ ++ INIT_LIST_HEAD(&cec_dev->events); ++ init_waitqueue_head(&cec_dev->waitq); ++ spin_lock_init(&cec_dev->lock); ++ mutex_init(&cec_dev->mutex); ++ ++ cec_dev->addresses = BIT(15); ++ ++ cdev_init(&cec_dev->cdev, &hdmi_cec_fops); ++ cec_dev->cdev.owner = module; ++} ++EXPORT_SYMBOL_GPL(cec_dev_init); ++ ++int cec_dev_add(struct cec_dev *cec_dev, struct device *dev, const char *name) ++{ ++ struct device *cd; ++ int ret; ++ ++ ret = cdev_add(&cec_dev->cdev, cec_dev->devn, 1); ++ if (ret < 0) ++ goto err_cdev; ++ ++ cd = device_create(cec_class, dev, cec_dev->devn, NULL, name); ++ if (IS_ERR(cd)) { ++ ret = PTR_ERR(cd); ++ dev_err(dev, "can't create device: %d\n", ret); ++ goto err_dev; ++ } ++ ++ return 0; ++ ++ err_dev: ++ cdev_del(&cec_dev->cdev); ++ err_cdev: ++ return ret; ++} ++EXPORT_SYMBOL_GPL(cec_dev_add); ++ ++void cec_dev_remove(struct cec_dev *cec_dev) ++{ ++ device_destroy(cec_class, cec_dev->devn); ++ cdev_del(&cec_dev->cdev); ++} ++EXPORT_SYMBOL_GPL(cec_dev_remove); ++ ++static int cec_init(void) ++{ ++ dev_t dev; ++ int ret; ++ ++ cec_class = class_create(THIS_MODULE, "hdmi-cec"); ++ if (IS_ERR(cec_class)) { ++ ret = PTR_ERR(cec_class); ++ pr_err("cec: can't create cec class: %d\n", ret); ++ goto err_class; ++ } ++ ++ ret = alloc_chrdev_region(&dev, 0, 1, "hdmi-cec"); ++ if (ret) { ++ pr_err("cec: can't create character devices: %d\n", ret); ++ goto err_chrdev; ++ } ++ ++ cec_major = MAJOR(dev); ++ ++ return 0; ++ ++ err_chrdev: ++ class_destroy(cec_class); ++ err_class: ++ return ret; ++} ++subsys_initcall(cec_init); ++ ++static void cec_exit(void) ++{ ++ unregister_chrdev_region(MKDEV(cec_major, 0), 1); ++ class_destroy(cec_class); ++} ++module_exit(cec_exit); ++ ++MODULE_AUTHOR("Russell King "); ++MODULE_DESCRIPTION("Generic HDMI CEC driver"); ++MODULE_LICENSE("GPL"); +diff -Nur linux-3.15-rc6.orig/drivers/cec/Kconfig linux-3.15-rc6/drivers/cec/Kconfig +--- linux-3.15-rc6.orig/drivers/cec/Kconfig 1970-01-01 01:00:00.000000000 +0100 ++++ linux-3.15-rc6/drivers/cec/Kconfig 2014-05-23 11:26:48.296940005 +0200 +@@ -0,0 +1,14 @@ ++# ++# Consumer Electroncs Control support ++# ++ ++menu "Consumer Electronics Control devices" ++ ++config CEC ++ bool ++ ++config HDMI_CEC_CORE ++ tristate ++ select CEC ++ ++endmenu +diff -Nur linux-3.15-rc6.orig/drivers/cec/Makefile linux-3.15-rc6/drivers/cec/Makefile +--- linux-3.15-rc6.orig/drivers/cec/Makefile 1970-01-01 01:00:00.000000000 +0100 ++++ linux-3.15-rc6/drivers/cec/Makefile 2014-05-23 11:26:48.296940005 +0200 +@@ -0,0 +1 @@ ++obj-$(CONFIG_HDMI_CEC_CORE) += cec-dev.o +diff -Nur linux-3.15-rc6.orig/drivers/gpu/drm/drm_crtc_helper.c linux-3.15-rc6/drivers/gpu/drm/drm_crtc_helper.c +--- linux-3.15-rc6.orig/drivers/gpu/drm/drm_crtc_helper.c 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/drivers/gpu/drm/drm_crtc_helper.c 2014-05-23 11:26:48.296940005 +0200 +@@ -140,16 +140,10 @@ + static void __drm_helper_disable_unused_functions(struct drm_device *dev) + { + struct drm_encoder *encoder; +- struct drm_connector *connector; + struct drm_crtc *crtc; + + drm_warn_on_modeset_not_all_locked(dev); + +- list_for_each_entry(connector, &dev->mode_config.connector_list, head) { +- if (!connector->encoder) +- continue; +- } +- + list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { + if (!drm_helper_encoder_in_use(encoder)) { + drm_encoder_disable(encoder); +diff -Nur linux-3.15-rc6.orig/drivers/Kconfig linux-3.15-rc6/drivers/Kconfig +--- linux-3.15-rc6.orig/drivers/Kconfig 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/drivers/Kconfig 2014-05-23 11:26:48.296940005 +0200 +@@ -174,4 +174,6 @@ + + source "drivers/mcb/Kconfig" + ++source "drivers/cec/Kconfig" ++ + endmenu +diff -Nur linux-3.15-rc6.orig/drivers/leds/leds-pwm.c linux-3.15-rc6/drivers/leds/leds-pwm.c +--- linux-3.15-rc6.orig/drivers/leds/leds-pwm.c 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/drivers/leds/leds-pwm.c 2014-05-23 11:26:48.296940005 +0200 +@@ -69,6 +69,10 @@ + + duty *= brightness; + do_div(duty, max); ++ ++ if (led_dat->active_low) ++ duty = led_dat->period - duty; ++ + led_dat->duty = duty; + + if (led_dat->can_sleep) +@@ -92,55 +96,75 @@ + } + } + +-static int led_pwm_create_of(struct platform_device *pdev, +- struct led_pwm_priv *priv) ++static int led_pwm_add(struct device *dev, struct led_pwm_priv *priv, ++ struct led_pwm *led, struct device_node *child) + { +- struct device_node *child; ++ struct led_pwm_data *led_data = &priv->leds[priv->num_leds]; + int ret; + +- for_each_child_of_node(pdev->dev.of_node, child) { +- struct led_pwm_data *led_dat = &priv->leds[priv->num_leds]; ++ led_data->active_low = led->active_low; ++ led_data->period = led->pwm_period_ns; ++ led_data->cdev.name = led->name; ++ led_data->cdev.default_trigger = led->default_trigger; ++ led_data->cdev.brightness_set = led_pwm_set; ++ led_data->cdev.brightness = LED_OFF; ++ led_data->cdev.max_brightness = led->max_brightness; ++ led_data->cdev.flags = LED_CORE_SUSPENDRESUME; ++ ++ if (child) ++ led_data->pwm = devm_of_pwm_get(dev, child, NULL); ++ else ++ led_data->pwm = devm_pwm_get(dev, led->name); ++ if (IS_ERR(led_data->pwm)) { ++ ret = PTR_ERR(led_data->pwm); ++ dev_err(dev, "unable to request PWM for %s: %d\n", ++ led->name, ret); ++ return ret; ++ } + +- led_dat->cdev.name = of_get_property(child, "label", +- NULL) ? : child->name; ++ if (child) ++ led_data->period = pwm_get_period(led_data->pwm); + +- led_dat->pwm = devm_of_pwm_get(&pdev->dev, child, NULL); +- if (IS_ERR(led_dat->pwm)) { +- dev_err(&pdev->dev, "unable to request PWM for %s\n", +- led_dat->cdev.name); +- ret = PTR_ERR(led_dat->pwm); +- goto err; +- } +- /* Get the period from PWM core when n*/ +- led_dat->period = pwm_get_period(led_dat->pwm); ++ led_data->can_sleep = pwm_can_sleep(led_data->pwm); ++ if (led_data->can_sleep) ++ INIT_WORK(&led_data->work, led_pwm_work); + +- led_dat->cdev.default_trigger = of_get_property(child, ++ ret = led_classdev_register(dev, &led_data->cdev); ++ if (ret == 0) { ++ priv->num_leds++; ++ } else { ++ dev_err(dev, "failed to register PWM led for %s: %d\n", ++ led->name, ret); ++ } ++ ++ return ret; ++} ++ ++static int led_pwm_create_of(struct device *dev, struct led_pwm_priv *priv) ++{ ++ struct device_node *child; ++ struct led_pwm led; ++ int ret = 0; ++ ++ memset(&led, 0, sizeof(led)); ++ ++ for_each_child_of_node(dev->of_node, child) { ++ led.name = of_get_property(child, "label", NULL) ? : ++ child->name; ++ ++ led.default_trigger = of_get_property(child, + "linux,default-trigger", NULL); ++ led.active_low = of_property_read_bool(child, "active-low"); + of_property_read_u32(child, "max-brightness", +- &led_dat->cdev.max_brightness); ++ &led.max_brightness); + +- led_dat->cdev.brightness_set = led_pwm_set; +- led_dat->cdev.brightness = LED_OFF; +- led_dat->cdev.flags |= LED_CORE_SUSPENDRESUME; +- +- led_dat->can_sleep = pwm_can_sleep(led_dat->pwm); +- if (led_dat->can_sleep) +- INIT_WORK(&led_dat->work, led_pwm_work); +- +- ret = led_classdev_register(&pdev->dev, &led_dat->cdev); +- if (ret < 0) { +- dev_err(&pdev->dev, "failed to register for %s\n", +- led_dat->cdev.name); ++ ret = led_pwm_add(dev, priv, &led, child); ++ if (ret) { + of_node_put(child); +- goto err; ++ break; + } +- priv->num_leds++; + } + +- return 0; +-err: +- led_pwm_cleanup(priv); +- + return ret; + } + +@@ -166,51 +190,23 @@ + + if (pdata) { + for (i = 0; i < count; i++) { +- struct led_pwm *cur_led = &pdata->leds[i]; +- struct led_pwm_data *led_dat = &priv->leds[i]; +- +- led_dat->pwm = devm_pwm_get(&pdev->dev, cur_led->name); +- if (IS_ERR(led_dat->pwm)) { +- ret = PTR_ERR(led_dat->pwm); +- dev_err(&pdev->dev, +- "unable to request PWM for %s\n", +- cur_led->name); +- goto err; +- } +- +- led_dat->cdev.name = cur_led->name; +- led_dat->cdev.default_trigger = cur_led->default_trigger; +- led_dat->active_low = cur_led->active_low; +- led_dat->period = cur_led->pwm_period_ns; +- led_dat->cdev.brightness_set = led_pwm_set; +- led_dat->cdev.brightness = LED_OFF; +- led_dat->cdev.max_brightness = cur_led->max_brightness; +- led_dat->cdev.flags |= LED_CORE_SUSPENDRESUME; +- +- led_dat->can_sleep = pwm_can_sleep(led_dat->pwm); +- if (led_dat->can_sleep) +- INIT_WORK(&led_dat->work, led_pwm_work); +- +- ret = led_classdev_register(&pdev->dev, &led_dat->cdev); +- if (ret < 0) +- goto err; ++ ret = led_pwm_add(&pdev->dev, priv, &pdata->leds[i], ++ NULL); ++ if (ret) ++ break; + } +- priv->num_leds = count; + } else { +- ret = led_pwm_create_of(pdev, priv); +- if (ret) +- return ret; ++ ret = led_pwm_create_of(&pdev->dev, priv); ++ } ++ ++ if (ret) { ++ led_pwm_cleanup(priv); ++ return ret; + } + + platform_set_drvdata(pdev, priv); + + return 0; +- +-err: +- priv->num_leds = i; +- led_pwm_cleanup(priv); +- +- return ret; + } + + static int led_pwm_remove(struct platform_device *pdev) +diff -Nur linux-3.15-rc6.orig/drivers/Makefile linux-3.15-rc6/drivers/Makefile +--- linux-3.15-rc6.orig/drivers/Makefile 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/drivers/Makefile 2014-05-23 11:26:48.296940005 +0200 +@@ -157,3 +157,4 @@ + obj-$(CONFIG_FMC) += fmc/ + obj-$(CONFIG_POWERCAP) += powercap/ + obj-$(CONFIG_MCB) += mcb/ ++obj-$(CONFIG_CEC) += cec/ +diff -Nur linux-3.15-rc6.orig/drivers/mmc/core/core.c linux-3.15-rc6/drivers/mmc/core/core.c +--- linux-3.15-rc6.orig/drivers/mmc/core/core.c 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/drivers/mmc/core/core.c 2014-05-23 11:26:48.300940018 +0200 +@@ -13,11 +13,13 @@ + #include + #include + #include ++#include + #include + #include + #include + #include + #include ++#include + #include + #include + #include +@@ -1504,6 +1506,43 @@ + mmc_host_clk_release(host); + } + ++static void mmc_card_power_up(struct mmc_host *host) ++{ ++ int i; ++ struct gpio_desc **gds = host->card_reset_gpios; ++ ++ for (i = 0; i < ARRAY_SIZE(host->card_reset_gpios); i++) { ++ if (gds[i]) { ++ dev_dbg(host->parent, "Asserting reset line %d", i); ++ gpiod_set_value(gds[i], 1); ++ } ++ } ++ ++ if (host->card_regulator) { ++ dev_dbg(host->parent, "Enabling external regulator"); ++ if (regulator_enable(host->card_regulator)) ++ dev_err(host->parent, "Failed to enable external regulator"); ++ } ++ ++ if (host->card_clk) { ++ dev_dbg(host->parent, "Enabling external clock"); ++ clk_prepare_enable(host->card_clk); ++ } ++ ++ /* 2ms delay to let clocks and power settle */ ++ mmc_delay(20); ++ ++ for (i = 0; i < ARRAY_SIZE(host->card_reset_gpios); i++) { ++ if (gds[i]) { ++ dev_dbg(host->parent, "Deasserting reset line %d", i); ++ gpiod_set_value(gds[i], 0); ++ } ++ } ++ ++ /* 2ms delay to after reset release */ ++ mmc_delay(20); ++} ++ + /* + * Apply power to the MMC stack. This is a two-stage process. + * First, we enable power to the card without the clock running. +@@ -1520,6 +1559,9 @@ + if (host->ios.power_mode == MMC_POWER_ON) + return; + ++ /* Power up the card/module first, if needed */ ++ mmc_card_power_up(host); ++ + mmc_host_clk_hold(host); + + host->ios.vdd = fls(ocr) - 1; +diff -Nur linux-3.15-rc6.orig/drivers/mmc/core/host.c linux-3.15-rc6/drivers/mmc/core/host.c +--- linux-3.15-rc6.orig/drivers/mmc/core/host.c 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/drivers/mmc/core/host.c 2014-05-23 11:26:48.300940018 +0200 +@@ -12,14 +12,18 @@ + * MMC host class device management + */ + ++#include ++#include + #include + #include ++#include + #include + #include + #include + #include + #include + #include ++#include + #include + #include + +@@ -457,6 +461,66 @@ + + EXPORT_SYMBOL(mmc_of_parse); + ++static int mmc_of_parse_child(struct mmc_host *host) ++{ ++ struct device_node *np; ++ struct clk *clk; ++ int i; ++ ++ if (!host->parent || !host->parent->of_node) ++ return 0; ++ ++ np = host->parent->of_node; ++ ++ host->card_regulator = regulator_get(host->parent, "card-external-vcc"); ++ if (IS_ERR(host->card_regulator)) { ++ if (PTR_ERR(host->card_regulator) == -EPROBE_DEFER) ++ return PTR_ERR(host->card_regulator); ++ host->card_regulator = NULL; ++ } ++ ++ /* Parse card power/reset/clock control */ ++ if (of_find_property(np, "card-reset-gpios", NULL)) { ++ struct gpio_desc *gpd; ++ int level = 0; ++ ++ /* ++ * If the regulator is enabled, then we can hold the ++ * card in reset with an active high resets. Otherwise, ++ * hold the resets low. ++ */ ++ if (host->card_regulator && regulator_is_enabled(host->card_regulator)) ++ level = 1; ++ ++ for (i = 0; i < ARRAY_SIZE(host->card_reset_gpios); i++) { ++ gpd = devm_gpiod_get_index(host->parent, "card-reset", i); ++ if (IS_ERR(gpd)) { ++ if (PTR_ERR(gpd) == -EPROBE_DEFER) ++ return PTR_ERR(gpd); ++ break; ++ } ++ gpiod_direction_output(gpd, gpiod_is_active_low(gpd) | level); ++ host->card_reset_gpios[i] = gpd; ++ } ++ ++ gpd = devm_gpiod_get_index(host->parent, "card-reset", ARRAY_SIZE(host->card_reset_gpios)); ++ if (!IS_ERR(gpd)) { ++ dev_warn(host->parent, "More reset gpios than we can handle"); ++ gpiod_put(gpd); ++ } ++ } ++ ++ clk = of_clk_get_by_name(np, "card_ext_clock"); ++ if (IS_ERR(clk)) { ++ if (PTR_ERR(clk) == -EPROBE_DEFER) ++ return PTR_ERR(clk); ++ clk = NULL; ++ } ++ host->card_clk = clk; ++ ++ return 0; ++} ++ + /** + * mmc_alloc_host - initialise the per-host structure. + * @extra: sizeof private data structure +@@ -536,6 +600,10 @@ + { + int err; + ++ err = mmc_of_parse_child(host); ++ if (err) ++ return err; ++ + WARN_ON((host->caps & MMC_CAP_SDIO_IRQ) && + !host->ops->enable_sdio_irq); + +diff -Nur linux-3.15-rc6.orig/drivers/mmc/core/sdio_irq.c linux-3.15-rc6/drivers/mmc/core/sdio_irq.c +--- linux-3.15-rc6.orig/drivers/mmc/core/sdio_irq.c 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/drivers/mmc/core/sdio_irq.c 2014-05-23 11:26:48.300940018 +0200 +@@ -90,6 +90,15 @@ + return ret; + } + ++void sdio_run_irqs(struct mmc_host *host) ++{ ++ mmc_claim_host(host); ++ host->sdio_irq_pending = true; ++ process_sdio_pending_irqs(host); ++ mmc_release_host(host); ++} ++EXPORT_SYMBOL_GPL(sdio_run_irqs); ++ + static int sdio_irq_thread(void *_host) + { + struct mmc_host *host = _host; +@@ -189,14 +198,20 @@ + WARN_ON(!host->claimed); + + if (!host->sdio_irqs++) { +- atomic_set(&host->sdio_irq_thread_abort, 0); +- host->sdio_irq_thread = +- kthread_run(sdio_irq_thread, host, "ksdioirqd/%s", +- mmc_hostname(host)); +- if (IS_ERR(host->sdio_irq_thread)) { +- int err = PTR_ERR(host->sdio_irq_thread); +- host->sdio_irqs--; +- return err; ++ if (!(host->caps2 & MMC_CAP2_SDIO_NOTHREAD)) { ++ atomic_set(&host->sdio_irq_thread_abort, 0); ++ host->sdio_irq_thread = ++ kthread_run(sdio_irq_thread, host, ++ "ksdioirqd/%s", mmc_hostname(host)); ++ if (IS_ERR(host->sdio_irq_thread)) { ++ int err = PTR_ERR(host->sdio_irq_thread); ++ host->sdio_irqs--; ++ return err; ++ } ++ } else { ++ mmc_host_clk_hold(host); ++ host->ops->enable_sdio_irq(host, 1); ++ mmc_host_clk_release(host); + } + } + +@@ -211,8 +226,14 @@ + BUG_ON(host->sdio_irqs < 1); + + if (!--host->sdio_irqs) { +- atomic_set(&host->sdio_irq_thread_abort, 1); +- kthread_stop(host->sdio_irq_thread); ++ if (!(host->caps2 & MMC_CAP2_SDIO_NOTHREAD)) { ++ atomic_set(&host->sdio_irq_thread_abort, 1); ++ kthread_stop(host->sdio_irq_thread); ++ } else { ++ mmc_host_clk_hold(host); ++ host->ops->enable_sdio_irq(host, 0); ++ mmc_host_clk_release(host); ++ } + } + + return 0; +diff -Nur linux-3.15-rc6.orig/drivers/mmc/host/dw_mmc.c linux-3.15-rc6/drivers/mmc/host/dw_mmc.c +--- linux-3.15-rc6.orig/drivers/mmc/host/dw_mmc.c 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/drivers/mmc/host/dw_mmc.c 2014-05-23 11:26:48.300940018 +0200 +@@ -2140,6 +2140,8 @@ + if (!mmc) + return -ENOMEM; + ++ mmc_of_parse(mmc); ++ + slot = mmc_priv(mmc); + slot->id = id; + slot->mmc = mmc; +diff -Nur linux-3.15-rc6.orig/drivers/mmc/host/Kconfig linux-3.15-rc6/drivers/mmc/host/Kconfig +--- linux-3.15-rc6.orig/drivers/mmc/host/Kconfig 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/drivers/mmc/host/Kconfig 2014-05-23 11:26:48.300940018 +0200 +@@ -25,8 +25,7 @@ + If unsure, say N. + + config MMC_SDHCI +- tristate "Secure Digital Host Controller Interface support" +- depends on HAS_DMA ++ tristate + help + This selects the generic Secure Digital Host Controller Interface. + It is used by manufacturers such as Texas Instruments(R), Ricoh(R) +@@ -59,7 +58,8 @@ + + config MMC_SDHCI_PCI + tristate "SDHCI support on PCI bus" +- depends on MMC_SDHCI && PCI ++ depends on PCI && HAS_DMA ++ select MMC_SDHCI + help + This selects the PCI Secure Digital Host Controller Interface. + Most controllers found today are PCI devices. +@@ -83,7 +83,8 @@ + + config MMC_SDHCI_ACPI + tristate "SDHCI support for ACPI enumerated SDHCI controllers" +- depends on MMC_SDHCI && ACPI ++ depends on ACPI && HAS_DMA ++ select MMC_SDHCI + help + This selects support for ACPI enumerated SDHCI controllers, + identified by ACPI Compatibility ID PNP0D40 or specific +@@ -94,8 +95,8 @@ + If unsure, say N. + + config MMC_SDHCI_PLTFM +- tristate "SDHCI platform and OF driver helper" +- depends on MMC_SDHCI ++ tristate ++ select MMC_SDHCI + help + This selects the common helper functions support for Secure Digital + Host Controller Interface based platform and OF drivers. +@@ -106,8 +107,8 @@ + + config MMC_SDHCI_OF_ARASAN + tristate "SDHCI OF support for the Arasan SDHCI controllers" +- depends on MMC_SDHCI_PLTFM +- depends on OF ++ depends on OF && HAS_DMA ++ select MMC_SDHCI_PLTFM + help + This selects the Arasan Secure Digital Host Controller Interface + (SDHCI). This hardware is found e.g. in Xilinx' Zynq SoC. +@@ -118,9 +119,9 @@ + + config MMC_SDHCI_OF_ESDHC + tristate "SDHCI OF support for the Freescale eSDHC controller" +- depends on MMC_SDHCI_PLTFM +- depends on PPC_OF ++ depends on PPC_OF && HAS_DMA + select MMC_SDHCI_BIG_ENDIAN_32BIT_BYTE_SWAPPER ++ select MMC_SDHCI_PLTFM + help + This selects the Freescale eSDHC controller support. + +@@ -130,9 +131,9 @@ + + config MMC_SDHCI_OF_HLWD + tristate "SDHCI OF support for the Nintendo Wii SDHCI controllers" +- depends on MMC_SDHCI_PLTFM +- depends on PPC_OF ++ depends on PPC_OF && HAS_DMA + select MMC_SDHCI_BIG_ENDIAN_32BIT_BYTE_SWAPPER ++ select MMC_SDHCI_PLTFM + help + This selects the Secure Digital Host Controller Interface (SDHCI) + found in the "Hollywood" chipset of the Nintendo Wii video game +@@ -144,8 +145,8 @@ + + config MMC_SDHCI_CNS3XXX + tristate "SDHCI support on the Cavium Networks CNS3xxx SoC" +- depends on ARCH_CNS3XXX +- depends on MMC_SDHCI_PLTFM ++ depends on ARCH_CNS3XXX && HAS_DMA ++ select MMC_SDHCI_PLTFM + help + This selects the SDHCI support for CNS3xxx System-on-Chip devices. + +@@ -155,9 +156,9 @@ + + config MMC_SDHCI_ESDHC_IMX + tristate "SDHCI support for the Freescale eSDHC/uSDHC i.MX controller" +- depends on ARCH_MXC +- depends on MMC_SDHCI_PLTFM ++ depends on ARCH_MXC && HAS_DMA + select MMC_SDHCI_IO_ACCESSORS ++ select MMC_SDHCI_PLTFM + help + This selects the Freescale eSDHC/uSDHC controller support + found on i.MX25, i.MX35 i.MX5x and i.MX6x. +@@ -168,9 +169,9 @@ + + config MMC_SDHCI_DOVE + tristate "SDHCI support on Marvell's Dove SoC" +- depends on ARCH_DOVE +- depends on MMC_SDHCI_PLTFM ++ depends on ARCH_DOVE && HAS_DMA + select MMC_SDHCI_IO_ACCESSORS ++ select MMC_SDHCI_PLTFM + help + This selects the Secure Digital Host Controller Interface in + Marvell's Dove SoC. +@@ -181,9 +182,9 @@ + + config MMC_SDHCI_TEGRA + tristate "SDHCI platform support for the Tegra SD/MMC Controller" +- depends on ARCH_TEGRA +- depends on MMC_SDHCI_PLTFM ++ depends on ARCH_TEGRA && HAS_DMA + select MMC_SDHCI_IO_ACCESSORS ++ select MMC_SDHCI_PLTFM + help + This selects the Tegra SD/MMC controller. If you have a Tegra + platform with SD or MMC devices, say Y or M here. +@@ -192,7 +193,8 @@ + + config MMC_SDHCI_S3C + tristate "SDHCI support on Samsung S3C SoC" +- depends on MMC_SDHCI && PLAT_SAMSUNG ++ depends on PLAT_SAMSUNG && HAS_DMA ++ select MMC_SDHCI + help + This selects the Secure Digital Host Controller Interface (SDHCI) + often referrered to as the HSMMC block in some of the Samsung S3C +@@ -204,8 +206,8 @@ + + config MMC_SDHCI_SIRF + tristate "SDHCI support on CSR SiRFprimaII and SiRFmarco SoCs" +- depends on ARCH_SIRF +- depends on MMC_SDHCI_PLTFM ++ depends on ARCH_SIRF && HAS_DMA ++ select MMC_SDHCI_PLTFM + help + This selects the SDHCI support for SiRF System-on-Chip devices. + +@@ -215,8 +217,7 @@ + + config MMC_SDHCI_PXAV3 + tristate "Marvell MMP2 SD Host Controller support (PXAV3)" +- depends on CLKDEV_LOOKUP +- select MMC_SDHCI ++ depends on CLKDEV_LOOKUP && HAS_DMA + select MMC_SDHCI_PLTFM + default CPU_MMP2 + help +@@ -228,8 +229,7 @@ + + config MMC_SDHCI_PXAV2 + tristate "Marvell PXA9XX SD Host Controller support (PXAV2)" +- depends on CLKDEV_LOOKUP +- select MMC_SDHCI ++ depends on CLKDEV_LOOKUP && HAS_DMA + select MMC_SDHCI_PLTFM + default CPU_PXA910 + help +@@ -241,7 +241,8 @@ + + config MMC_SDHCI_SPEAR + tristate "SDHCI support on ST SPEAr platform" +- depends on MMC_SDHCI && PLAT_SPEAR ++ depends on PLAT_SPEAR && HAS_DMA ++ select MMC_SDHCI + help + This selects the Secure Digital Host Controller Interface (SDHCI) + often referrered to as the HSMMC block in some of the ST SPEAR range +@@ -263,7 +264,7 @@ + + config MMC_SDHCI_BCM_KONA + tristate "SDHCI support on Broadcom KONA platform" +- depends on ARCH_BCM_MOBILE ++ depends on ARCH_BCM_MOBILE && HAS_DMA + select MMC_SDHCI_PLTFM + help + This selects the Broadcom Kona Secure Digital Host Controller +@@ -274,9 +275,9 @@ + + config MMC_SDHCI_BCM2835 + tristate "SDHCI platform support for the BCM2835 SD/MMC Controller" +- depends on ARCH_BCM2835 +- depends on MMC_SDHCI_PLTFM ++ depends on ARCH_BCM2835 && HAS_DMA + select MMC_SDHCI_IO_ACCESSORS ++ select MMC_SDHCI_PLTFM + help + This selects the BCM2835 SD/MMC controller. If you have a BCM2835 + platform with SD or MMC devices, say Y or M here. +diff -Nur linux-3.15-rc6.orig/drivers/mmc/host/sdhci-acpi.c linux-3.15-rc6/drivers/mmc/host/sdhci-acpi.c +--- linux-3.15-rc6.orig/drivers/mmc/host/sdhci-acpi.c 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/drivers/mmc/host/sdhci-acpi.c 2014-05-23 11:26:48.300940018 +0200 +@@ -102,11 +102,19 @@ + } + + static const struct sdhci_ops sdhci_acpi_ops_dflt = { ++ .set_clock = sdhci_set_clock, + .enable_dma = sdhci_acpi_enable_dma, ++ .set_bus_width = sdhci_set_bus_width, ++ .reset = sdhci_reset, ++ .set_uhs_signaling = sdhci_set_uhs_signaling, + }; + + static const struct sdhci_ops sdhci_acpi_ops_int = { ++ .set_clock = sdhci_set_clock, + .enable_dma = sdhci_acpi_enable_dma, ++ .set_bus_width = sdhci_set_bus_width, ++ .reset = sdhci_reset, ++ .set_uhs_signaling = sdhci_set_uhs_signaling, + .hw_reset = sdhci_acpi_int_hw_reset, + }; + +diff -Nur linux-3.15-rc6.orig/drivers/mmc/host/sdhci-bcm2835.c linux-3.15-rc6/drivers/mmc/host/sdhci-bcm2835.c +--- linux-3.15-rc6.orig/drivers/mmc/host/sdhci-bcm2835.c 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/drivers/mmc/host/sdhci-bcm2835.c 2014-05-23 11:26:48.300940018 +0200 +@@ -131,8 +131,12 @@ + .read_l = bcm2835_sdhci_readl, + .read_w = bcm2835_sdhci_readw, + .read_b = bcm2835_sdhci_readb, ++ .set_clock = sdhci_set_clock, + .get_max_clock = sdhci_pltfm_clk_get_max_clock, + .get_min_clock = bcm2835_sdhci_get_min_clock, ++ .set_bus_width = sdhci_set_bus_width, ++ .reset = sdhci_reset, ++ .set_uhs_signaling = sdhci_set_uhs_signaling, + }; + + static const struct sdhci_pltfm_data bcm2835_sdhci_pdata = { +diff -Nur linux-3.15-rc6.orig/drivers/mmc/host/sdhci-bcm-kona.c linux-3.15-rc6/drivers/mmc/host/sdhci-bcm-kona.c +--- linux-3.15-rc6.orig/drivers/mmc/host/sdhci-bcm-kona.c 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/drivers/mmc/host/sdhci-bcm-kona.c 2014-05-23 11:26:48.300940018 +0200 +@@ -206,9 +206,13 @@ + } + + static struct sdhci_ops sdhci_bcm_kona_ops = { ++ .set_clock = sdhci_set_clock, + .get_max_clock = sdhci_bcm_kona_get_max_clk, + .get_timeout_clock = sdhci_bcm_kona_get_timeout_clock, + .platform_send_init_74_clocks = sdhci_bcm_kona_init_74_clocks, ++ .set_bus_width = sdhci_set_bus_width, ++ .reset = sdhci_reset, ++ .set_uhs_signaling = sdhci_set_uhs_signaling, + .card_event = sdhci_bcm_kona_card_event, + }; + +diff -Nur linux-3.15-rc6.orig/drivers/mmc/host/sdhci.c linux-3.15-rc6/drivers/mmc/host/sdhci.c +--- linux-3.15-rc6.orig/drivers/mmc/host/sdhci.c 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/drivers/mmc/host/sdhci.c 2014-05-23 11:26:48.304940032 +0200 +@@ -44,6 +44,8 @@ + + #define MAX_TUNING_LOOP 40 + ++#define ADMA_SIZE ((128 * 2 + 1) * 4) ++ + static unsigned int debug_quirks = 0; + static unsigned int debug_quirks2; + +@@ -131,43 +133,26 @@ + * * + \*****************************************************************************/ + +-static void sdhci_clear_set_irqs(struct sdhci_host *host, u32 clear, u32 set) +-{ +- u32 ier; +- +- ier = sdhci_readl(host, SDHCI_INT_ENABLE); +- ier &= ~clear; +- ier |= set; +- sdhci_writel(host, ier, SDHCI_INT_ENABLE); +- sdhci_writel(host, ier, SDHCI_SIGNAL_ENABLE); +-} +- +-static void sdhci_unmask_irqs(struct sdhci_host *host, u32 irqs) +-{ +- sdhci_clear_set_irqs(host, 0, irqs); +-} +- +-static void sdhci_mask_irqs(struct sdhci_host *host, u32 irqs) +-{ +- sdhci_clear_set_irqs(host, irqs, 0); +-} +- + static void sdhci_set_card_detection(struct sdhci_host *host, bool enable) + { +- u32 present, irqs; ++ u32 present; + + if ((host->quirks & SDHCI_QUIRK_BROKEN_CARD_DETECTION) || + (host->mmc->caps & MMC_CAP_NONREMOVABLE)) + return; + +- present = sdhci_readl(host, SDHCI_PRESENT_STATE) & +- SDHCI_CARD_PRESENT; +- irqs = present ? SDHCI_INT_CARD_REMOVE : SDHCI_INT_CARD_INSERT; ++ if (enable) { ++ present = sdhci_readl(host, SDHCI_PRESENT_STATE) & ++ SDHCI_CARD_PRESENT; + +- if (enable) +- sdhci_unmask_irqs(host, irqs); +- else +- sdhci_mask_irqs(host, irqs); ++ host->ier |= present ? SDHCI_INT_CARD_REMOVE : ++ SDHCI_INT_CARD_INSERT; ++ } else { ++ host->ier &= ~(SDHCI_INT_CARD_REMOVE | SDHCI_INT_CARD_INSERT); ++ } ++ ++ sdhci_writel(host, host->ier, SDHCI_INT_ENABLE); ++ sdhci_writel(host, host->ier, SDHCI_SIGNAL_ENABLE); + } + + static void sdhci_enable_card_detection(struct sdhci_host *host) +@@ -180,22 +165,9 @@ + sdhci_set_card_detection(host, false); + } + +-static void sdhci_reset(struct sdhci_host *host, u8 mask) ++void sdhci_reset(struct sdhci_host *host, u8 mask) + { + unsigned long timeout; +- u32 uninitialized_var(ier); +- +- if (host->quirks & SDHCI_QUIRK_NO_CARD_NO_RESET) { +- if (!(sdhci_readl(host, SDHCI_PRESENT_STATE) & +- SDHCI_CARD_PRESENT)) +- return; +- } +- +- if (host->quirks & SDHCI_QUIRK_RESTORE_IRQS_AFTER_RESET) +- ier = sdhci_readl(host, SDHCI_INT_ENABLE); +- +- if (host->ops->platform_reset_enter) +- host->ops->platform_reset_enter(host, mask); + + sdhci_writeb(host, mask, SDHCI_SOFTWARE_RESET); + +@@ -220,16 +192,27 @@ + timeout--; + mdelay(1); + } ++} ++EXPORT_SYMBOL_GPL(sdhci_reset); ++ ++static void sdhci_do_reset(struct sdhci_host *host, u8 mask) ++{ ++ if (host->quirks & SDHCI_QUIRK_NO_CARD_NO_RESET) { ++ if (!(sdhci_readl(host, SDHCI_PRESENT_STATE) & ++ SDHCI_CARD_PRESENT)) ++ return; ++ } + +- if (host->ops->platform_reset_exit) +- host->ops->platform_reset_exit(host, mask); ++ host->ops->reset(host, mask); + +- if (host->quirks & SDHCI_QUIRK_RESTORE_IRQS_AFTER_RESET) +- sdhci_clear_set_irqs(host, SDHCI_INT_ALL_MASK, ier); ++ if (mask & SDHCI_RESET_ALL) { ++ if (host->flags & (SDHCI_USE_SDMA | SDHCI_USE_ADMA)) { ++ if (host->ops->enable_dma) ++ host->ops->enable_dma(host); ++ } + +- if (host->flags & (SDHCI_USE_SDMA | SDHCI_USE_ADMA)) { +- if ((host->ops->enable_dma) && (mask & SDHCI_RESET_ALL)) +- host->ops->enable_dma(host); ++ /* Resetting the controller clears many */ ++ host->preset_enabled = false; + } + } + +@@ -238,15 +221,18 @@ + static void sdhci_init(struct sdhci_host *host, int soft) + { + if (soft) +- sdhci_reset(host, SDHCI_RESET_CMD|SDHCI_RESET_DATA); ++ sdhci_do_reset(host, SDHCI_RESET_CMD|SDHCI_RESET_DATA); + else +- sdhci_reset(host, SDHCI_RESET_ALL); ++ sdhci_do_reset(host, SDHCI_RESET_ALL); ++ ++ host->ier = SDHCI_INT_BUS_POWER | SDHCI_INT_DATA_END_BIT | ++ SDHCI_INT_DATA_CRC | SDHCI_INT_DATA_TIMEOUT | ++ SDHCI_INT_INDEX | SDHCI_INT_END_BIT | SDHCI_INT_CRC | ++ SDHCI_INT_TIMEOUT | SDHCI_INT_DATA_END | ++ SDHCI_INT_RESPONSE; + +- sdhci_clear_set_irqs(host, SDHCI_INT_ALL_MASK, +- SDHCI_INT_BUS_POWER | SDHCI_INT_DATA_END_BIT | +- SDHCI_INT_DATA_CRC | SDHCI_INT_DATA_TIMEOUT | SDHCI_INT_INDEX | +- SDHCI_INT_END_BIT | SDHCI_INT_CRC | SDHCI_INT_TIMEOUT | +- SDHCI_INT_DATA_END | SDHCI_INT_RESPONSE); ++ sdhci_writel(host, host->ier, SDHCI_INT_ENABLE); ++ sdhci_writel(host, host->ier, SDHCI_SIGNAL_ENABLE); + + if (soft) { + /* force clock reconfiguration */ +@@ -502,11 +488,6 @@ + else + direction = DMA_TO_DEVICE; + +- /* +- * The ADMA descriptor table is mapped further down as we +- * need to fill it with data first. +- */ +- + host->align_addr = dma_map_single(mmc_dev(host->mmc), + host->align_buffer, 128 * 4, direction); + if (dma_mapping_error(mmc_dev(host->mmc), host->align_addr)) +@@ -567,7 +548,7 @@ + * If this triggers then we have a calculation bug + * somewhere. :/ + */ +- WARN_ON((desc - host->adma_desc) > (128 * 2 + 1) * 4); ++ WARN_ON((desc - host->adma_desc) > ADMA_SIZE); + } + + if (host->quirks & SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC) { +@@ -595,17 +576,8 @@ + host->align_addr, 128 * 4, direction); + } + +- host->adma_addr = dma_map_single(mmc_dev(host->mmc), +- host->adma_desc, (128 * 2 + 1) * 4, DMA_TO_DEVICE); +- if (dma_mapping_error(mmc_dev(host->mmc), host->adma_addr)) +- goto unmap_entries; +- BUG_ON(host->adma_addr & 0x3); +- + return 0; + +-unmap_entries: +- dma_unmap_sg(mmc_dev(host->mmc), data->sg, +- data->sg_len, direction); + unmap_align: + dma_unmap_single(mmc_dev(host->mmc), host->align_addr, + 128 * 4, direction); +@@ -623,19 +595,25 @@ + u8 *align; + char *buffer; + unsigned long flags; ++ bool has_unaligned; + + if (data->flags & MMC_DATA_READ) + direction = DMA_FROM_DEVICE; + else + direction = DMA_TO_DEVICE; + +- dma_unmap_single(mmc_dev(host->mmc), host->adma_addr, +- (128 * 2 + 1) * 4, DMA_TO_DEVICE); +- + dma_unmap_single(mmc_dev(host->mmc), host->align_addr, + 128 * 4, direction); + +- if (data->flags & MMC_DATA_READ) { ++ /* Do a quick scan of the SG list for any unaligned mappings */ ++ has_unaligned = false; ++ for_each_sg(data->sg, sg, host->sg_count, i) ++ if (sg_dma_address(sg) & 3) { ++ has_unaligned = true; ++ break; ++ } ++ ++ if (has_unaligned && data->flags & MMC_DATA_READ) { + dma_sync_sg_for_cpu(mmc_dev(host->mmc), data->sg, + data->sg_len, direction); + +@@ -721,9 +699,12 @@ + u32 dma_irqs = SDHCI_INT_DMA_END | SDHCI_INT_ADMA_ERROR; + + if (host->flags & SDHCI_REQ_USE_DMA) +- sdhci_clear_set_irqs(host, pio_irqs, dma_irqs); ++ host->ier = (host->ier & ~pio_irqs) | dma_irqs; + else +- sdhci_clear_set_irqs(host, dma_irqs, pio_irqs); ++ host->ier = (host->ier & ~dma_irqs) | pio_irqs; ++ ++ sdhci_writel(host, host->ier, SDHCI_INT_ENABLE); ++ sdhci_writel(host, host->ier, SDHCI_SIGNAL_ENABLE); + } + + static void sdhci_prepare_data(struct sdhci_host *host, struct mmc_command *cmd) +@@ -976,8 +957,8 @@ + * upon error conditions. + */ + if (data->error) { +- sdhci_reset(host, SDHCI_RESET_CMD); +- sdhci_reset(host, SDHCI_RESET_DATA); ++ sdhci_do_reset(host, SDHCI_RESET_CMD); ++ sdhci_do_reset(host, SDHCI_RESET_DATA); + } + + sdhci_send_command(host, data->stop); +@@ -1107,24 +1088,23 @@ + + static u16 sdhci_get_preset_value(struct sdhci_host *host) + { +- u16 ctrl, preset = 0; ++ u16 preset = 0; + +- ctrl = sdhci_readw(host, SDHCI_HOST_CONTROL2); +- +- switch (ctrl & SDHCI_CTRL_UHS_MASK) { +- case SDHCI_CTRL_UHS_SDR12: ++ switch (host->timing) { ++ case MMC_TIMING_UHS_SDR12: + preset = sdhci_readw(host, SDHCI_PRESET_FOR_SDR12); + break; +- case SDHCI_CTRL_UHS_SDR25: ++ case MMC_TIMING_UHS_SDR25: + preset = sdhci_readw(host, SDHCI_PRESET_FOR_SDR25); + break; +- case SDHCI_CTRL_UHS_SDR50: ++ case MMC_TIMING_UHS_SDR50: + preset = sdhci_readw(host, SDHCI_PRESET_FOR_SDR50); + break; +- case SDHCI_CTRL_UHS_SDR104: ++ case MMC_TIMING_UHS_SDR104: ++ case MMC_TIMING_MMC_HS200: + preset = sdhci_readw(host, SDHCI_PRESET_FOR_SDR104); + break; +- case SDHCI_CTRL_UHS_DDR50: ++ case MMC_TIMING_UHS_DDR50: + preset = sdhci_readw(host, SDHCI_PRESET_FOR_DDR50); + break; + default: +@@ -1136,32 +1116,22 @@ + return preset; + } + +-static void sdhci_set_clock(struct sdhci_host *host, unsigned int clock) ++void sdhci_set_clock(struct sdhci_host *host, unsigned int clock) + { + int div = 0; /* Initialized for compiler warning */ + int real_div = div, clk_mul = 1; + u16 clk = 0; + unsigned long timeout; + +- if (clock && clock == host->clock) +- return; +- + host->mmc->actual_clock = 0; + +- if (host->ops->set_clock) { +- host->ops->set_clock(host, clock); +- if (host->quirks & SDHCI_QUIRK_NONSTANDARD_CLOCK) +- return; +- } +- + sdhci_writew(host, 0, SDHCI_CLOCK_CONTROL); + + if (clock == 0) +- goto out; ++ return; + + if (host->version >= SDHCI_SPEC_300) { +- if (sdhci_readw(host, SDHCI_HOST_CONTROL2) & +- SDHCI_CTRL_PRESET_VAL_ENABLE) { ++ if (host->preset_enabled) { + u16 pre_val; + + clk = sdhci_readw(host, SDHCI_CLOCK_CONTROL); +@@ -1247,26 +1217,16 @@ + + clk |= SDHCI_CLOCK_CARD_EN; + sdhci_writew(host, clk, SDHCI_CLOCK_CONTROL); +- +-out: +- host->clock = clock; +-} +- +-static inline void sdhci_update_clock(struct sdhci_host *host) +-{ +- unsigned int clock; +- +- clock = host->clock; +- host->clock = 0; +- sdhci_set_clock(host, clock); + } ++EXPORT_SYMBOL_GPL(sdhci_set_clock); + +-static int sdhci_set_power(struct sdhci_host *host, unsigned short power) ++static void sdhci_set_power(struct sdhci_host *host, unsigned char mode, ++ unsigned short vdd) + { + u8 pwr = 0; + +- if (power != (unsigned short)-1) { +- switch (1 << power) { ++ if (mode != MMC_POWER_OFF) { ++ switch (1 << vdd) { + case MMC_VDD_165_195: + pwr = SDHCI_POWER_180; + break; +@@ -1284,7 +1244,7 @@ + } + + if (host->pwr == pwr) +- return -1; ++ return; + + host->pwr = pwr; + +@@ -1292,38 +1252,43 @@ + sdhci_writeb(host, 0, SDHCI_POWER_CONTROL); + if (host->quirks2 & SDHCI_QUIRK2_CARD_ON_NEEDS_BUS_ON) + sdhci_runtime_pm_bus_off(host); +- return 0; +- } +- +- /* +- * Spec says that we should clear the power reg before setting +- * a new value. Some controllers don't seem to like this though. +- */ +- if (!(host->quirks & SDHCI_QUIRK_SINGLE_POWER_WRITE)) +- sdhci_writeb(host, 0, SDHCI_POWER_CONTROL); ++ vdd = 0; ++ } else { ++ /* ++ * Spec says that we should clear the power reg before setting ++ * a new value. Some controllers don't seem to like this though. ++ */ ++ if (!(host->quirks & SDHCI_QUIRK_SINGLE_POWER_WRITE)) ++ sdhci_writeb(host, 0, SDHCI_POWER_CONTROL); + +- /* +- * At least the Marvell CaFe chip gets confused if we set the voltage +- * and set turn on power at the same time, so set the voltage first. +- */ +- if (host->quirks & SDHCI_QUIRK_NO_SIMULT_VDD_AND_POWER) +- sdhci_writeb(host, pwr, SDHCI_POWER_CONTROL); ++ /* ++ * At least the Marvell CaFe chip gets confused if we set the ++ * voltage and set turn on power at the same time, so set the ++ * voltage first. ++ */ ++ if (host->quirks & SDHCI_QUIRK_NO_SIMULT_VDD_AND_POWER) ++ sdhci_writeb(host, pwr, SDHCI_POWER_CONTROL); + +- pwr |= SDHCI_POWER_ON; ++ pwr |= SDHCI_POWER_ON; + +- sdhci_writeb(host, pwr, SDHCI_POWER_CONTROL); ++ sdhci_writeb(host, pwr, SDHCI_POWER_CONTROL); + +- if (host->quirks2 & SDHCI_QUIRK2_CARD_ON_NEEDS_BUS_ON) +- sdhci_runtime_pm_bus_on(host); ++ if (host->quirks2 & SDHCI_QUIRK2_CARD_ON_NEEDS_BUS_ON) ++ sdhci_runtime_pm_bus_on(host); + +- /* +- * Some controllers need an extra 10ms delay of 10ms before they +- * can apply clock after applying power +- */ +- if (host->quirks & SDHCI_QUIRK_DELAY_AFTER_POWER) +- mdelay(10); ++ /* ++ * Some controllers need an extra 10ms delay of 10ms before ++ * they can apply clock after applying power ++ */ ++ if (host->quirks & SDHCI_QUIRK_DELAY_AFTER_POWER) ++ mdelay(10); ++ } + +- return power; ++ if (host->vmmc) { ++ spin_unlock_irq(&host->lock); ++ mmc_regulator_set_ocr(host->mmc, host->vmmc, vdd); ++ spin_lock_irq(&host->lock); ++ } + } + + /*****************************************************************************\ +@@ -1427,10 +1392,52 @@ + spin_unlock_irqrestore(&host->lock, flags); + } + ++void sdhci_set_bus_width(struct sdhci_host *host, int width) ++{ ++ u8 ctrl; ++ ++ ctrl = sdhci_readb(host, SDHCI_HOST_CONTROL); ++ if (width == MMC_BUS_WIDTH_8) { ++ ctrl &= ~SDHCI_CTRL_4BITBUS; ++ if (host->version >= SDHCI_SPEC_300) ++ ctrl |= SDHCI_CTRL_8BITBUS; ++ } else { ++ if (host->version >= SDHCI_SPEC_300) ++ ctrl &= ~SDHCI_CTRL_8BITBUS; ++ if (width == MMC_BUS_WIDTH_4) ++ ctrl |= SDHCI_CTRL_4BITBUS; ++ else ++ ctrl &= ~SDHCI_CTRL_4BITBUS; ++ } ++ sdhci_writeb(host, ctrl, SDHCI_HOST_CONTROL); ++} ++EXPORT_SYMBOL_GPL(sdhci_set_bus_width); ++ ++void sdhci_set_uhs_signaling(struct sdhci_host *host, unsigned timing) ++{ ++ u16 ctrl_2; ++ ++ ctrl_2 = sdhci_readw(host, SDHCI_HOST_CONTROL2); ++ /* Select Bus Speed Mode for host */ ++ ctrl_2 &= ~SDHCI_CTRL_UHS_MASK; ++ if ((timing == MMC_TIMING_MMC_HS200) || ++ (timing == MMC_TIMING_UHS_SDR104)) ++ ctrl_2 |= SDHCI_CTRL_UHS_SDR104; ++ else if (timing == MMC_TIMING_UHS_SDR12) ++ ctrl_2 |= SDHCI_CTRL_UHS_SDR12; ++ else if (timing == MMC_TIMING_UHS_SDR25) ++ ctrl_2 |= SDHCI_CTRL_UHS_SDR25; ++ else if (timing == MMC_TIMING_UHS_SDR50) ++ ctrl_2 |= SDHCI_CTRL_UHS_SDR50; ++ else if (timing == MMC_TIMING_UHS_DDR50) ++ ctrl_2 |= SDHCI_CTRL_UHS_DDR50; ++ sdhci_writew(host, ctrl_2, SDHCI_HOST_CONTROL2); ++} ++EXPORT_SYMBOL_GPL(sdhci_set_uhs_signaling); ++ + static void sdhci_do_set_ios(struct sdhci_host *host, struct mmc_ios *ios) + { + unsigned long flags; +- int vdd_bit = -1; + u8 ctrl; + + spin_lock_irqsave(&host->lock, flags); +@@ -1456,45 +1463,17 @@ + !(host->quirks2 & SDHCI_QUIRK2_PRESET_VALUE_BROKEN)) + sdhci_enable_preset_value(host, false); + +- sdhci_set_clock(host, ios->clock); +- +- if (ios->power_mode == MMC_POWER_OFF) +- vdd_bit = sdhci_set_power(host, -1); +- else +- vdd_bit = sdhci_set_power(host, ios->vdd); +- +- if (host->vmmc && vdd_bit != -1) { +- spin_unlock_irqrestore(&host->lock, flags); +- mmc_regulator_set_ocr(host->mmc, host->vmmc, vdd_bit); +- spin_lock_irqsave(&host->lock, flags); ++ if (!ios->clock || ios->clock != host->clock) { ++ host->ops->set_clock(host, ios->clock); ++ host->clock = ios->clock; + } + ++ sdhci_set_power(host, ios->power_mode, ios->vdd); ++ + if (host->ops->platform_send_init_74_clocks) + host->ops->platform_send_init_74_clocks(host, ios->power_mode); + +- /* +- * If your platform has 8-bit width support but is not a v3 controller, +- * or if it requires special setup code, you should implement that in +- * platform_bus_width(). +- */ +- if (host->ops->platform_bus_width) { +- host->ops->platform_bus_width(host, ios->bus_width); +- } else { +- ctrl = sdhci_readb(host, SDHCI_HOST_CONTROL); +- if (ios->bus_width == MMC_BUS_WIDTH_8) { +- ctrl &= ~SDHCI_CTRL_4BITBUS; +- if (host->version >= SDHCI_SPEC_300) +- ctrl |= SDHCI_CTRL_8BITBUS; +- } else { +- if (host->version >= SDHCI_SPEC_300) +- ctrl &= ~SDHCI_CTRL_8BITBUS; +- if (ios->bus_width == MMC_BUS_WIDTH_4) +- ctrl |= SDHCI_CTRL_4BITBUS; +- else +- ctrl &= ~SDHCI_CTRL_4BITBUS; +- } +- sdhci_writeb(host, ctrl, SDHCI_HOST_CONTROL); +- } ++ host->ops->set_bus_width(host, ios->bus_width); + + ctrl = sdhci_readb(host, SDHCI_HOST_CONTROL); + +@@ -1516,13 +1495,13 @@ + (ios->timing == MMC_TIMING_UHS_SDR25)) + ctrl |= SDHCI_CTRL_HISPD; + +- ctrl_2 = sdhci_readw(host, SDHCI_HOST_CONTROL2); +- if (!(ctrl_2 & SDHCI_CTRL_PRESET_VAL_ENABLE)) { ++ if (!host->preset_enabled) { + sdhci_writeb(host, ctrl, SDHCI_HOST_CONTROL); + /* + * We only need to set Driver Strength if the + * preset value enable is not set. + */ ++ ctrl_2 = sdhci_readw(host, SDHCI_HOST_CONTROL2); + ctrl_2 &= ~SDHCI_CTRL_DRV_TYPE_MASK; + if (ios->drv_type == MMC_SET_DRIVER_TYPE_A) + ctrl_2 |= SDHCI_CTRL_DRV_TYPE_A; +@@ -1546,34 +1525,11 @@ + sdhci_writeb(host, ctrl, SDHCI_HOST_CONTROL); + + /* Re-enable SD Clock */ +- sdhci_update_clock(host); ++ host->ops->set_clock(host, host->clock); + } + +- +- /* Reset SD Clock Enable */ +- clk = sdhci_readw(host, SDHCI_CLOCK_CONTROL); +- clk &= ~SDHCI_CLOCK_CARD_EN; +- sdhci_writew(host, clk, SDHCI_CLOCK_CONTROL); +- +- if (host->ops->set_uhs_signaling) +- host->ops->set_uhs_signaling(host, ios->timing); +- else { +- ctrl_2 = sdhci_readw(host, SDHCI_HOST_CONTROL2); +- /* Select Bus Speed Mode for host */ +- ctrl_2 &= ~SDHCI_CTRL_UHS_MASK; +- if ((ios->timing == MMC_TIMING_MMC_HS200) || +- (ios->timing == MMC_TIMING_UHS_SDR104)) +- ctrl_2 |= SDHCI_CTRL_UHS_SDR104; +- else if (ios->timing == MMC_TIMING_UHS_SDR12) +- ctrl_2 |= SDHCI_CTRL_UHS_SDR12; +- else if (ios->timing == MMC_TIMING_UHS_SDR25) +- ctrl_2 |= SDHCI_CTRL_UHS_SDR25; +- else if (ios->timing == MMC_TIMING_UHS_SDR50) +- ctrl_2 |= SDHCI_CTRL_UHS_SDR50; +- else if (ios->timing == MMC_TIMING_UHS_DDR50) +- ctrl_2 |= SDHCI_CTRL_UHS_DDR50; +- sdhci_writew(host, ctrl_2, SDHCI_HOST_CONTROL2); +- } ++ host->ops->set_uhs_signaling(host, ios->timing); ++ host->timing = ios->timing; + + if (!(host->quirks2 & SDHCI_QUIRK2_PRESET_VALUE_BROKEN) && + ((ios->timing == MMC_TIMING_UHS_SDR12) || +@@ -1588,9 +1544,6 @@ + ios->drv_type = (preset & SDHCI_PRESET_DRV_MASK) + >> SDHCI_PRESET_DRV_SHIFT; + } +- +- /* Re-enable SD Clock */ +- sdhci_update_clock(host); + } else + sdhci_writeb(host, ctrl, SDHCI_HOST_CONTROL); + +@@ -1600,7 +1553,7 @@ + * it on each ios seems to solve the problem. + */ + if(host->quirks & SDHCI_QUIRK_RESET_CMD_DATA_ON_IOS) +- sdhci_reset(host, SDHCI_RESET_CMD | SDHCI_RESET_DATA); ++ sdhci_do_reset(host, SDHCI_RESET_CMD | SDHCI_RESET_DATA); + + mmiowb(); + spin_unlock_irqrestore(&host->lock, flags); +@@ -1709,24 +1662,16 @@ + + static void sdhci_enable_sdio_irq_nolock(struct sdhci_host *host, int enable) + { +- if (host->flags & SDHCI_DEVICE_DEAD) +- goto out; +- +- if (enable) +- host->flags |= SDHCI_SDIO_IRQ_ENABLED; +- else +- host->flags &= ~SDHCI_SDIO_IRQ_ENABLED; +- +- /* SDIO IRQ will be enabled as appropriate in runtime resume */ +- if (host->runtime_suspended) +- goto out; ++ if (!(host->flags & SDHCI_DEVICE_DEAD)) { ++ if (enable) ++ host->ier |= SDHCI_INT_CARD_INT; ++ else ++ host->ier &= ~SDHCI_INT_CARD_INT; + +- if (enable) +- sdhci_unmask_irqs(host, SDHCI_INT_CARD_INT); +- else +- sdhci_mask_irqs(host, SDHCI_INT_CARD_INT); +-out: +- mmiowb(); ++ sdhci_writel(host, host->ier, SDHCI_INT_ENABLE); ++ sdhci_writel(host, host->ier, SDHCI_SIGNAL_ENABLE); ++ mmiowb(); ++ } + } + + static void sdhci_enable_sdio_irq(struct mmc_host *mmc, int enable) +@@ -1734,9 +1679,18 @@ + struct sdhci_host *host = mmc_priv(mmc); + unsigned long flags; + ++ sdhci_runtime_pm_get(host); ++ + spin_lock_irqsave(&host->lock, flags); ++ if (enable) ++ host->flags |= SDHCI_SDIO_IRQ_ENABLED; ++ else ++ host->flags &= ~SDHCI_SDIO_IRQ_ENABLED; ++ + sdhci_enable_sdio_irq_nolock(host, enable); + spin_unlock_irqrestore(&host->lock, flags); ++ ++ sdhci_runtime_pm_put(host); + } + + static int sdhci_do_start_signal_voltage_switch(struct sdhci_host *host, +@@ -1798,9 +1752,6 @@ + ctrl |= SDHCI_CTRL_VDD_180; + sdhci_writew(host, ctrl, SDHCI_HOST_CONTROL2); + +- /* Wait for 5ms */ +- usleep_range(5000, 5500); +- + /* 1.8V regulator output should be stable within 5 ms */ + ctrl = sdhci_readw(host, SDHCI_HOST_CONTROL2); + if (ctrl & SDHCI_CTRL_VDD_180) +@@ -1855,22 +1806,16 @@ + + static int sdhci_execute_tuning(struct mmc_host *mmc, u32 opcode) + { +- struct sdhci_host *host; ++ struct sdhci_host *host = mmc_priv(mmc); + u16 ctrl; +- u32 ier; + int tuning_loop_counter = MAX_TUNING_LOOP; + unsigned long timeout; + int err = 0; +- bool requires_tuning_nonuhs = false; + unsigned long flags; + +- host = mmc_priv(mmc); +- + sdhci_runtime_pm_get(host); + spin_lock_irqsave(&host->lock, flags); + +- ctrl = sdhci_readw(host, SDHCI_HOST_CONTROL2); +- + /* + * The Host Controller needs tuning only in case of SDR104 mode + * and for SDR50 mode when Use Tuning for SDR50 is set in the +@@ -1878,15 +1823,18 @@ + * If the Host Controller supports the HS200 mode then the + * tuning function has to be executed. + */ +- if (((ctrl & SDHCI_CTRL_UHS_MASK) == SDHCI_CTRL_UHS_SDR50) && +- (host->flags & SDHCI_SDR50_NEEDS_TUNING || +- host->flags & SDHCI_SDR104_NEEDS_TUNING)) +- requires_tuning_nonuhs = true; +- +- if (((ctrl & SDHCI_CTRL_UHS_MASK) == SDHCI_CTRL_UHS_SDR104) || +- requires_tuning_nonuhs) +- ctrl |= SDHCI_CTRL_EXEC_TUNING; +- else { ++ switch (host->timing) { ++ case MMC_TIMING_MMC_HS200: ++ case MMC_TIMING_UHS_SDR104: ++ break; ++ ++ case MMC_TIMING_UHS_SDR50: ++ if (host->flags & SDHCI_SDR50_NEEDS_TUNING || ++ host->flags & SDHCI_SDR104_NEEDS_TUNING) ++ break; ++ /* FALLTHROUGH */ ++ ++ default: + spin_unlock_irqrestore(&host->lock, flags); + sdhci_runtime_pm_put(host); + return 0; +@@ -1899,6 +1847,8 @@ + return err; + } + ++ ctrl = sdhci_readw(host, SDHCI_HOST_CONTROL2); ++ ctrl |= SDHCI_CTRL_EXEC_TUNING; + sdhci_writew(host, ctrl, SDHCI_HOST_CONTROL2); + + /* +@@ -1911,8 +1861,8 @@ + * to make sure we don't hit a controller bug, we _only_ + * enable Buffer Read Ready interrupt here. + */ +- ier = sdhci_readl(host, SDHCI_INT_ENABLE); +- sdhci_clear_set_irqs(host, ier, SDHCI_INT_DATA_AVAIL); ++ sdhci_writel(host, SDHCI_INT_DATA_AVAIL, SDHCI_INT_ENABLE); ++ sdhci_writel(host, SDHCI_INT_DATA_AVAIL, SDHCI_SIGNAL_ENABLE); + + /* + * Issue CMD19 repeatedly till Execute Tuning is set to 0 or the number +@@ -2044,7 +1994,8 @@ + if (err && (host->flags & SDHCI_USING_RETUNING_TIMER)) + err = 0; + +- sdhci_clear_set_irqs(host, SDHCI_INT_DATA_AVAIL, ier); ++ sdhci_writel(host, host->ier, SDHCI_INT_ENABLE); ++ sdhci_writel(host, host->ier, SDHCI_SIGNAL_ENABLE); + spin_unlock_irqrestore(&host->lock, flags); + sdhci_runtime_pm_put(host); + +@@ -2054,26 +2005,30 @@ + + static void sdhci_enable_preset_value(struct sdhci_host *host, bool enable) + { +- u16 ctrl; +- + /* Host Controller v3.00 defines preset value registers */ + if (host->version < SDHCI_SPEC_300) + return; + +- ctrl = sdhci_readw(host, SDHCI_HOST_CONTROL2); +- + /* + * We only enable or disable Preset Value if they are not already + * enabled or disabled respectively. Otherwise, we bail out. + */ +- if (enable && !(ctrl & SDHCI_CTRL_PRESET_VAL_ENABLE)) { +- ctrl |= SDHCI_CTRL_PRESET_VAL_ENABLE; +- sdhci_writew(host, ctrl, SDHCI_HOST_CONTROL2); +- host->flags |= SDHCI_PV_ENABLED; +- } else if (!enable && (ctrl & SDHCI_CTRL_PRESET_VAL_ENABLE)) { +- ctrl &= ~SDHCI_CTRL_PRESET_VAL_ENABLE; ++ if (host->preset_enabled != enable) { ++ u16 ctrl = sdhci_readw(host, SDHCI_HOST_CONTROL2); ++ ++ if (enable) ++ ctrl |= SDHCI_CTRL_PRESET_VAL_ENABLE; ++ else ++ ctrl &= ~SDHCI_CTRL_PRESET_VAL_ENABLE; ++ + sdhci_writew(host, ctrl, SDHCI_HOST_CONTROL2); +- host->flags &= ~SDHCI_PV_ENABLED; ++ ++ if (enable) ++ host->flags |= SDHCI_PV_ENABLED; ++ else ++ host->flags &= ~SDHCI_PV_ENABLED; ++ ++ host->preset_enabled = enable; + } + } + +@@ -2095,8 +2050,8 @@ + pr_err("%s: Resetting controller.\n", + mmc_hostname(host->mmc)); + +- sdhci_reset(host, SDHCI_RESET_CMD); +- sdhci_reset(host, SDHCI_RESET_DATA); ++ sdhci_do_reset(host, SDHCI_RESET_CMD); ++ sdhci_do_reset(host, SDHCI_RESET_DATA); + + host->mrq->cmd->error = -ENOMEDIUM; + tasklet_schedule(&host->finish_tasklet); +@@ -2124,15 +2079,6 @@ + * * + \*****************************************************************************/ + +-static void sdhci_tasklet_card(unsigned long param) +-{ +- struct sdhci_host *host = (struct sdhci_host*)param; +- +- sdhci_card_event(host->mmc); +- +- mmc_detect_change(host->mmc, msecs_to_jiffies(200)); +-} +- + static void sdhci_tasklet_finish(unsigned long param) + { + struct sdhci_host *host; +@@ -2169,12 +2115,12 @@ + /* Some controllers need this kick or reset won't work here */ + if (host->quirks & SDHCI_QUIRK_CLOCK_BEFORE_RESET) + /* This is to force an update */ +- sdhci_update_clock(host); ++ host->ops->set_clock(host, host->clock); + + /* Spec says we should do both at the same time, but Ricoh + controllers do not like that. */ +- sdhci_reset(host, SDHCI_RESET_CMD); +- sdhci_reset(host, SDHCI_RESET_DATA); ++ sdhci_do_reset(host, SDHCI_RESET_CMD); ++ sdhci_do_reset(host, SDHCI_RESET_DATA); + } + + host->mrq = NULL; +@@ -2424,101 +2370,94 @@ + + static irqreturn_t sdhci_irq(int irq, void *dev_id) + { +- irqreturn_t result; ++ irqreturn_t result = IRQ_NONE; + struct sdhci_host *host = dev_id; +- u32 intmask, unexpected = 0; +- int cardint = 0, max_loops = 16; ++ u32 intmask, mask, unexpected = 0; ++ int max_loops = 16; + + spin_lock(&host->lock); + +- if (host->runtime_suspended) { ++ if (host->runtime_suspended && !sdhci_sdio_irq_enabled(host)) { + spin_unlock(&host->lock); + return IRQ_NONE; + } + + intmask = sdhci_readl(host, SDHCI_INT_STATUS); +- + if (!intmask || intmask == 0xffffffff) { + result = IRQ_NONE; + goto out; + } + +-again: +- DBG("*** %s got interrupt: 0x%08x\n", +- mmc_hostname(host->mmc), intmask); +- +- if (intmask & (SDHCI_INT_CARD_INSERT | SDHCI_INT_CARD_REMOVE)) { +- u32 present = sdhci_readl(host, SDHCI_PRESENT_STATE) & +- SDHCI_CARD_PRESENT; +- +- /* +- * There is a observation on i.mx esdhc. INSERT bit will be +- * immediately set again when it gets cleared, if a card is +- * inserted. We have to mask the irq to prevent interrupt +- * storm which will freeze the system. And the REMOVE gets +- * the same situation. +- * +- * More testing are needed here to ensure it works for other +- * platforms though. +- */ +- sdhci_mask_irqs(host, present ? SDHCI_INT_CARD_INSERT : +- SDHCI_INT_CARD_REMOVE); +- sdhci_unmask_irqs(host, present ? SDHCI_INT_CARD_REMOVE : +- SDHCI_INT_CARD_INSERT); +- +- sdhci_writel(host, intmask & (SDHCI_INT_CARD_INSERT | +- SDHCI_INT_CARD_REMOVE), SDHCI_INT_STATUS); +- intmask &= ~(SDHCI_INT_CARD_INSERT | SDHCI_INT_CARD_REMOVE); +- tasklet_schedule(&host->card_tasklet); +- } +- +- if (intmask & SDHCI_INT_CMD_MASK) { +- sdhci_writel(host, intmask & SDHCI_INT_CMD_MASK, +- SDHCI_INT_STATUS); +- sdhci_cmd_irq(host, intmask & SDHCI_INT_CMD_MASK); +- } ++ do { ++ /* Clear selected interrupts. */ ++ mask = intmask & (SDHCI_INT_CMD_MASK | SDHCI_INT_DATA_MASK | ++ SDHCI_INT_BUS_POWER); ++ sdhci_writel(host, mask, SDHCI_INT_STATUS); ++ ++ DBG("*** %s got interrupt: 0x%08x\n", ++ mmc_hostname(host->mmc), intmask); ++ ++ if (intmask & (SDHCI_INT_CARD_INSERT | SDHCI_INT_CARD_REMOVE)) { ++ u32 present = sdhci_readl(host, SDHCI_PRESENT_STATE) & ++ SDHCI_CARD_PRESENT; + +- if (intmask & SDHCI_INT_DATA_MASK) { +- sdhci_writel(host, intmask & SDHCI_INT_DATA_MASK, +- SDHCI_INT_STATUS); +- sdhci_data_irq(host, intmask & SDHCI_INT_DATA_MASK); +- } ++ /* ++ * There is a observation on i.mx esdhc. INSERT ++ * bit will be immediately set again when it gets ++ * cleared, if a card is inserted. We have to mask ++ * the irq to prevent interrupt storm which will ++ * freeze the system. And the REMOVE gets the ++ * same situation. ++ * ++ * More testing are needed here to ensure it works ++ * for other platforms though. ++ */ ++ host->ier &= ~(SDHCI_INT_CARD_INSERT | ++ SDHCI_INT_CARD_REMOVE); ++ host->ier |= present ? SDHCI_INT_CARD_REMOVE : ++ SDHCI_INT_CARD_INSERT; ++ sdhci_writel(host, host->ier, SDHCI_INT_ENABLE); ++ sdhci_writel(host, host->ier, SDHCI_SIGNAL_ENABLE); + +- intmask &= ~(SDHCI_INT_CMD_MASK | SDHCI_INT_DATA_MASK); ++ sdhci_writel(host, intmask & (SDHCI_INT_CARD_INSERT | ++ SDHCI_INT_CARD_REMOVE), SDHCI_INT_STATUS); + +- intmask &= ~SDHCI_INT_ERROR; ++ host->thread_isr |= intmask & (SDHCI_INT_CARD_INSERT | ++ SDHCI_INT_CARD_REMOVE); ++ result = IRQ_WAKE_THREAD; ++ } + +- if (intmask & SDHCI_INT_BUS_POWER) { +- pr_err("%s: Card is consuming too much power!\n", +- mmc_hostname(host->mmc)); +- sdhci_writel(host, SDHCI_INT_BUS_POWER, SDHCI_INT_STATUS); +- } ++ if (intmask & SDHCI_INT_CMD_MASK) ++ sdhci_cmd_irq(host, intmask & SDHCI_INT_CMD_MASK); + +- intmask &= ~SDHCI_INT_BUS_POWER; ++ if (intmask & SDHCI_INT_DATA_MASK) ++ sdhci_data_irq(host, intmask & SDHCI_INT_DATA_MASK); + +- if (intmask & SDHCI_INT_CARD_INT) +- cardint = 1; ++ if (intmask & SDHCI_INT_BUS_POWER) ++ pr_err("%s: Card is consuming too much power!\n", ++ mmc_hostname(host->mmc)); + +- intmask &= ~SDHCI_INT_CARD_INT; ++ if (intmask & SDHCI_INT_CARD_INT) { ++ sdhci_enable_sdio_irq_nolock(host, false); ++ host->thread_isr |= SDHCI_INT_CARD_INT; ++ result = IRQ_WAKE_THREAD; ++ } + +- if (intmask) { +- unexpected |= intmask; +- sdhci_writel(host, intmask, SDHCI_INT_STATUS); +- } ++ intmask &= ~(SDHCI_INT_CARD_INSERT | SDHCI_INT_CARD_REMOVE | ++ SDHCI_INT_CMD_MASK | SDHCI_INT_DATA_MASK | ++ SDHCI_INT_ERROR | SDHCI_INT_BUS_POWER | ++ SDHCI_INT_CARD_INT); + +- result = IRQ_HANDLED; ++ if (intmask) { ++ unexpected |= intmask; ++ sdhci_writel(host, intmask, SDHCI_INT_STATUS); ++ } + +- intmask = sdhci_readl(host, SDHCI_INT_STATUS); ++ if (result == IRQ_NONE) ++ result = IRQ_HANDLED; + +- /* +- * If we know we'll call the driver to signal SDIO IRQ, disregard +- * further indications of Card Interrupt in the status to avoid a +- * needless loop. +- */ +- if (cardint) +- intmask &= ~SDHCI_INT_CARD_INT; +- if (intmask && --max_loops) +- goto again; ++ intmask = sdhci_readl(host, SDHCI_INT_STATUS); ++ } while (intmask && --max_loops); + out: + spin_unlock(&host->lock); + +@@ -2527,15 +2466,38 @@ + mmc_hostname(host->mmc), unexpected); + sdhci_dumpregs(host); + } +- /* +- * We have to delay this as it calls back into the driver. +- */ +- if (cardint) +- mmc_signal_sdio_irq(host->mmc); + + return result; + } + ++static irqreturn_t sdhci_thread_irq(int irq, void *dev_id) ++{ ++ struct sdhci_host *host = dev_id; ++ unsigned long flags; ++ u32 isr; ++ ++ spin_lock_irqsave(&host->lock, flags); ++ isr = host->thread_isr; ++ host->thread_isr = 0; ++ spin_unlock_irqrestore(&host->lock, flags); ++ ++ if (isr & (SDHCI_INT_CARD_INSERT | SDHCI_INT_CARD_REMOVE)) { ++ sdhci_card_event(host->mmc); ++ mmc_detect_change(host->mmc, msecs_to_jiffies(200)); ++ } ++ ++ if (isr & SDHCI_INT_CARD_INT) { ++ sdio_run_irqs(host->mmc); ++ ++ spin_lock_irqsave(&host->lock, flags); ++ if (host->flags & SDHCI_SDIO_IRQ_ENABLED) ++ sdhci_enable_sdio_irq_nolock(host, true); ++ spin_unlock_irqrestore(&host->lock, flags); ++ } ++ ++ return isr ? IRQ_HANDLED : IRQ_NONE; ++} ++ + /*****************************************************************************\ + * * + * Suspend/resume * +@@ -2572,9 +2534,6 @@ + + int sdhci_suspend_host(struct sdhci_host *host) + { +- if (host->ops->platform_suspend) +- host->ops->platform_suspend(host); +- + sdhci_disable_card_detection(host); + + /* Disable tuning since we are suspending */ +@@ -2584,7 +2543,9 @@ + } + + if (!device_may_wakeup(mmc_dev(host->mmc))) { +- sdhci_mask_irqs(host, SDHCI_INT_ALL_MASK); ++ host->ier = 0; ++ sdhci_writel(host, 0, SDHCI_INT_ENABLE); ++ sdhci_writel(host, 0, SDHCI_SIGNAL_ENABLE); + free_irq(host->irq, host); + } else { + sdhci_enable_irq_wakeups(host); +@@ -2605,8 +2566,9 @@ + } + + if (!device_may_wakeup(mmc_dev(host->mmc))) { +- ret = request_irq(host->irq, sdhci_irq, IRQF_SHARED, +- mmc_hostname(host->mmc), host); ++ ret = request_threaded_irq(host->irq, sdhci_irq, ++ sdhci_thread_irq, IRQF_SHARED, ++ mmc_hostname(host->mmc), host); + if (ret) + return ret; + } else { +@@ -2628,9 +2590,6 @@ + + sdhci_enable_card_detection(host); + +- if (host->ops->platform_resume) +- host->ops->platform_resume(host); +- + /* Set the re-tuning expiration flag */ + if (host->flags & SDHCI_USING_RETUNING_TIMER) + host->flags |= SDHCI_NEEDS_RETUNING; +@@ -2682,10 +2641,12 @@ + } + + spin_lock_irqsave(&host->lock, flags); +- sdhci_mask_irqs(host, SDHCI_INT_ALL_MASK); ++ host->ier &= SDHCI_INT_CARD_INT; ++ sdhci_writel(host, host->ier, SDHCI_INT_ENABLE); ++ sdhci_writel(host, host->ier, SDHCI_SIGNAL_ENABLE); + spin_unlock_irqrestore(&host->lock, flags); + +- synchronize_irq(host->irq); ++ synchronize_hardirq(host->irq); + + spin_lock_irqsave(&host->lock, flags); + host->runtime_suspended = true; +@@ -2729,7 +2690,7 @@ + host->runtime_suspended = false; + + /* Enable SDIO IRQ */ +- if ((host->flags & SDHCI_SDIO_IRQ_ENABLED)) ++ if (host->flags & SDHCI_SDIO_IRQ_ENABLED) + sdhci_enable_sdio_irq_nolock(host, true); + + /* Enable Card Detection */ +@@ -2788,7 +2749,7 @@ + if (debug_quirks2) + host->quirks2 = debug_quirks2; + +- sdhci_reset(host, SDHCI_RESET_ALL); ++ sdhci_do_reset(host, SDHCI_RESET_ALL); + + host->version = sdhci_readw(host, SDHCI_HOST_VERSION); + host->version = (host->version & SDHCI_SPEC_VER_MASK) +@@ -2848,15 +2809,29 @@ + * (128) and potentially one alignment transfer for + * each of those entries. + */ +- host->adma_desc = kmalloc((128 * 2 + 1) * 4, GFP_KERNEL); ++ host->adma_desc = dma_alloc_coherent(mmc_dev(host->mmc), ++ ADMA_SIZE, &host->adma_addr, ++ GFP_KERNEL); + host->align_buffer = kmalloc(128 * 4, GFP_KERNEL); + if (!host->adma_desc || !host->align_buffer) { +- kfree(host->adma_desc); ++ dma_free_coherent(mmc_dev(host->mmc), ADMA_SIZE, ++ host->adma_desc, host->adma_addr); + kfree(host->align_buffer); + pr_warning("%s: Unable to allocate ADMA " + "buffers. Falling back to standard DMA.\n", + mmc_hostname(mmc)); + host->flags &= ~SDHCI_USE_ADMA; ++ host->adma_desc = NULL; ++ host->align_buffer = NULL; ++ } else if (host->adma_addr & 3) { ++ pr_warning("%s: unable to allocate aligned ADMA descriptor\n", ++ mmc_hostname(mmc)); ++ host->flags &= ~SDHCI_USE_ADMA; ++ dma_free_coherent(mmc_dev(host->mmc), ADMA_SIZE, ++ host->adma_desc, host->adma_addr); ++ kfree(host->align_buffer); ++ host->adma_desc = NULL; ++ host->align_buffer = NULL; + } + } + +@@ -2941,6 +2916,7 @@ + mmc->max_busy_timeout = (1 << 27) / host->timeout_clk; + + mmc->caps |= MMC_CAP_SDIO_IRQ | MMC_CAP_ERASE | MMC_CAP_CMD23; ++ mmc->caps2 |= MMC_CAP2_SDIO_NOTHREAD; + + if (host->quirks & SDHCI_QUIRK_MULTIBLOCK_READ_ACMD12) + host->flags |= SDHCI_AUTO_CMD12; +@@ -3212,8 +3188,6 @@ + /* + * Init tasklets. + */ +- tasklet_init(&host->card_tasklet, +- sdhci_tasklet_card, (unsigned long)host); + tasklet_init(&host->finish_tasklet, + sdhci_tasklet_finish, (unsigned long)host); + +@@ -3230,8 +3204,8 @@ + + sdhci_init(host, 0); + +- ret = request_irq(host->irq, sdhci_irq, IRQF_SHARED, +- mmc_hostname(mmc), host); ++ ret = request_threaded_irq(host->irq, sdhci_irq, sdhci_thread_irq, ++ IRQF_SHARED, mmc_hostname(mmc), host); + if (ret) { + pr_err("%s: Failed to request IRQ %d: %d\n", + mmc_hostname(mmc), host->irq, ret); +@@ -3273,12 +3247,12 @@ + + #ifdef SDHCI_USE_LEDS_CLASS + reset: +- sdhci_reset(host, SDHCI_RESET_ALL); +- sdhci_mask_irqs(host, SDHCI_INT_ALL_MASK); ++ sdhci_do_reset(host, SDHCI_RESET_ALL); ++ sdhci_writel(host, 0, SDHCI_INT_ENABLE); ++ sdhci_writel(host, 0, SDHCI_SIGNAL_ENABLE); + free_irq(host->irq, host); + #endif + untasklet: +- tasklet_kill(&host->card_tasklet); + tasklet_kill(&host->finish_tasklet); + + return ret; +@@ -3315,14 +3289,14 @@ + #endif + + if (!dead) +- sdhci_reset(host, SDHCI_RESET_ALL); ++ sdhci_do_reset(host, SDHCI_RESET_ALL); + +- sdhci_mask_irqs(host, SDHCI_INT_ALL_MASK); ++ sdhci_writel(host, 0, SDHCI_INT_ENABLE); ++ sdhci_writel(host, 0, SDHCI_SIGNAL_ENABLE); + free_irq(host->irq, host); + + del_timer_sync(&host->timer); + +- tasklet_kill(&host->card_tasklet); + tasklet_kill(&host->finish_tasklet); + + if (host->vmmc) { +@@ -3335,7 +3309,9 @@ + regulator_put(host->vqmmc); + } + +- kfree(host->adma_desc); ++ if (host->adma_desc) ++ dma_free_coherent(mmc_dev(host->mmc), ADMA_SIZE, ++ host->adma_desc, host->adma_addr); + kfree(host->align_buffer); + + host->adma_desc = NULL; +diff -Nur linux-3.15-rc6.orig/drivers/mmc/host/sdhci-cns3xxx.c linux-3.15-rc6/drivers/mmc/host/sdhci-cns3xxx.c +--- linux-3.15-rc6.orig/drivers/mmc/host/sdhci-cns3xxx.c 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/drivers/mmc/host/sdhci-cns3xxx.c 2014-05-23 11:26:48.304940032 +0200 +@@ -30,13 +30,12 @@ + u16 clk; + unsigned long timeout; + +- if (clock == host->clock) +- return; ++ host->mmc->actual_clock = 0; + + sdhci_writew(host, 0, SDHCI_CLOCK_CONTROL); + + if (clock == 0) +- goto out; ++ return; + + while (host->max_clk / div > clock) { + /* +@@ -75,13 +74,14 @@ + + clk |= SDHCI_CLOCK_CARD_EN; + sdhci_writew(host, clk, SDHCI_CLOCK_CONTROL); +-out: +- host->clock = clock; + } + + static const struct sdhci_ops sdhci_cns3xxx_ops = { + .get_max_clock = sdhci_cns3xxx_get_max_clk, + .set_clock = sdhci_cns3xxx_set_clock, ++ .set_bus_width = sdhci_set_bus_width, ++ .reset = sdhci_reset, ++ .set_uhs_signaling = sdhci_set_uhs_signaling, + }; + + static const struct sdhci_pltfm_data sdhci_cns3xxx_pdata = { +@@ -90,8 +90,7 @@ + SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK | + SDHCI_QUIRK_INVERTED_WRITE_PROTECT | + SDHCI_QUIRK_CAP_CLOCK_BASE_BROKEN | +- SDHCI_QUIRK_BROKEN_TIMEOUT_VAL | +- SDHCI_QUIRK_NONSTANDARD_CLOCK, ++ SDHCI_QUIRK_BROKEN_TIMEOUT_VAL, + }; + + static int sdhci_cns3xxx_probe(struct platform_device *pdev) +diff -Nur linux-3.15-rc6.orig/drivers/mmc/host/sdhci-dove.c linux-3.15-rc6/drivers/mmc/host/sdhci-dove.c +--- linux-3.15-rc6.orig/drivers/mmc/host/sdhci-dove.c 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/drivers/mmc/host/sdhci-dove.c 2014-05-23 11:26:48.304940032 +0200 +@@ -86,6 +86,10 @@ + static const struct sdhci_ops sdhci_dove_ops = { + .read_w = sdhci_dove_readw, + .read_l = sdhci_dove_readl, ++ .set_clock = sdhci_set_clock, ++ .set_bus_width = sdhci_set_bus_width, ++ .reset = sdhci_reset, ++ .set_uhs_signaling = sdhci_set_uhs_signaling, + }; + + static const struct sdhci_pltfm_data sdhci_dove_pdata = { +diff -Nur linux-3.15-rc6.orig/drivers/mmc/host/sdhci-esdhc.h linux-3.15-rc6/drivers/mmc/host/sdhci-esdhc.h +--- linux-3.15-rc6.orig/drivers/mmc/host/sdhci-esdhc.h 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/drivers/mmc/host/sdhci-esdhc.h 2014-05-23 11:26:48.304940032 +0200 +@@ -20,10 +20,8 @@ + + #define ESDHC_DEFAULT_QUIRKS (SDHCI_QUIRK_FORCE_BLK_SZ_2048 | \ + SDHCI_QUIRK_NO_BUSY_IRQ | \ +- SDHCI_QUIRK_NONSTANDARD_CLOCK | \ + SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK | \ +- SDHCI_QUIRK_PIO_NEEDS_DELAY | \ +- SDHCI_QUIRK_RESTORE_IRQS_AFTER_RESET) ++ SDHCI_QUIRK_PIO_NEEDS_DELAY) + + #define ESDHC_SYSTEM_CONTROL 0x2c + #define ESDHC_CLOCK_MASK 0x0000fff0 +diff -Nur linux-3.15-rc6.orig/drivers/mmc/host/sdhci-esdhc-imx.c linux-3.15-rc6/drivers/mmc/host/sdhci-esdhc-imx.c +--- linux-3.15-rc6.orig/drivers/mmc/host/sdhci-esdhc-imx.c 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/drivers/mmc/host/sdhci-esdhc-imx.c 2014-05-23 11:26:48.304940032 +0200 +@@ -160,7 +160,6 @@ + MULTIBLK_IN_PROCESS, /* exact multiblock cmd in process */ + WAIT_FOR_INT, /* sent CMD12, waiting for response INT */ + } multiblock_status; +- u32 uhs_mode; + u32 is_ddr; + }; + +@@ -382,7 +381,6 @@ + if (val & ESDHC_MIX_CTRL_SMPCLK_SEL) + ret |= SDHCI_CTRL_TUNED_CLK; + +- ret |= (imx_data->uhs_mode & SDHCI_CTRL_UHS_MASK); + ret &= ~SDHCI_CTRL_PRESET_VAL_ENABLE; + + return ret; +@@ -429,7 +427,6 @@ + else + new_val &= ~ESDHC_VENDOR_SPEC_VSELECT; + writel(new_val, host->ioaddr + ESDHC_VENDOR_SPEC); +- imx_data->uhs_mode = val & SDHCI_CTRL_UHS_MASK; + if (imx_data->socdata->flags & ESDHC_FLAG_MAN_TUNING) { + new_val = readl(host->ioaddr + ESDHC_MIX_CTRL); + if (val & SDHCI_CTRL_TUNED_CLK) +@@ -600,12 +597,14 @@ + u32 temp, val; + + if (clock == 0) { ++ host->mmc->actual_clock = 0; ++ + if (esdhc_is_usdhc(imx_data)) { + val = readl(host->ioaddr + ESDHC_VENDOR_SPEC); + writel(val & ~ESDHC_VENDOR_SPEC_FRC_SDCLK_ON, + host->ioaddr + ESDHC_VENDOR_SPEC); + } +- goto out; ++ return; + } + + if (esdhc_is_usdhc(imx_data) && !imx_data->is_ddr) +@@ -645,8 +644,6 @@ + } + + mdelay(1); +-out: +- host->clock = clock; + } + + static unsigned int esdhc_pltfm_get_ro(struct sdhci_host *host) +@@ -668,7 +665,7 @@ + return -ENOSYS; + } + +-static int esdhc_pltfm_bus_width(struct sdhci_host *host, int width) ++static void esdhc_pltfm_set_bus_width(struct sdhci_host *host, int width) + { + u32 ctrl; + +@@ -686,8 +683,6 @@ + + esdhc_clrset_le(host, ESDHC_CTRL_BUSWIDTH_MASK, ctrl, + SDHCI_HOST_CONTROL); +- +- return 0; + } + + static void esdhc_prepare_tuning(struct sdhci_host *host, u32 val) +@@ -697,6 +692,7 @@ + /* FIXME: delay a bit for card to be ready for next tuning due to errors */ + mdelay(1); + ++ /* This is balanced by the runtime put in sdhci_tasklet_finish */ + pm_runtime_get_sync(host->mmc->parent); + reg = readl(host->ioaddr + ESDHC_MIX_CTRL); + reg |= ESDHC_MIX_CTRL_EXE_TUNE | ESDHC_MIX_CTRL_SMPCLK_SEL | +@@ -713,13 +709,12 @@ + complete(&mrq->completion); + } + +-static int esdhc_send_tuning_cmd(struct sdhci_host *host, u32 opcode) ++static int esdhc_send_tuning_cmd(struct sdhci_host *host, u32 opcode, ++ struct scatterlist *sg) + { + struct mmc_command cmd = {0}; + struct mmc_request mrq = {NULL}; + struct mmc_data data = {0}; +- struct scatterlist sg; +- char tuning_pattern[ESDHC_TUNING_BLOCK_PATTERN_LEN]; + + cmd.opcode = opcode; + cmd.arg = 0; +@@ -728,11 +723,9 @@ + data.blksz = ESDHC_TUNING_BLOCK_PATTERN_LEN; + data.blocks = 1; + data.flags = MMC_DATA_READ; +- data.sg = &sg; ++ data.sg = sg; + data.sg_len = 1; + +- sg_init_one(&sg, tuning_pattern, sizeof(tuning_pattern)); +- + mrq.cmd = &cmd; + mrq.cmd->mrq = &mrq; + mrq.data = &data; +@@ -742,14 +735,12 @@ + mrq.done = esdhc_request_done; + init_completion(&(mrq.completion)); + +- disable_irq(host->irq); +- spin_lock(&host->lock); ++ spin_lock_irq(&host->lock); + host->mrq = &mrq; + + sdhci_send_command(host, mrq.cmd); + +- spin_unlock(&host->lock); +- enable_irq(host->irq); ++ spin_unlock_irq(&host->lock); + + wait_for_completion(&mrq.completion); + +@@ -772,13 +763,21 @@ + + static int esdhc_executing_tuning(struct sdhci_host *host, u32 opcode) + { ++ struct scatterlist sg; ++ char *tuning_pattern; + int min, max, avg, ret; + ++ tuning_pattern = kmalloc(ESDHC_TUNING_BLOCK_PATTERN_LEN, GFP_KERNEL); ++ if (!tuning_pattern) ++ return -ENOMEM; ++ ++ sg_init_one(&sg, tuning_pattern, ESDHC_TUNING_BLOCK_PATTERN_LEN); ++ + /* find the mininum delay first which can pass tuning */ + min = ESDHC_TUNE_CTRL_MIN; + while (min < ESDHC_TUNE_CTRL_MAX) { + esdhc_prepare_tuning(host, min); +- if (!esdhc_send_tuning_cmd(host, opcode)) ++ if (!esdhc_send_tuning_cmd(host, opcode, &sg)) + break; + min += ESDHC_TUNE_CTRL_STEP; + } +@@ -787,7 +786,7 @@ + max = min + ESDHC_TUNE_CTRL_STEP; + while (max < ESDHC_TUNE_CTRL_MAX) { + esdhc_prepare_tuning(host, max); +- if (esdhc_send_tuning_cmd(host, opcode)) { ++ if (esdhc_send_tuning_cmd(host, opcode, &sg)) { + max -= ESDHC_TUNE_CTRL_STEP; + break; + } +@@ -797,9 +796,11 @@ + /* use average delay to get the best timing */ + avg = (min + max) / 2; + esdhc_prepare_tuning(host, avg); +- ret = esdhc_send_tuning_cmd(host, opcode); ++ ret = esdhc_send_tuning_cmd(host, opcode, &sg); + esdhc_post_tuning(host); + ++ kfree(tuning_pattern); ++ + dev_dbg(mmc_dev(host->mmc), "tunning %s at 0x%x ret %d\n", + ret ? "failed" : "passed", avg, ret); + +@@ -837,28 +838,20 @@ + return pinctrl_select_state(imx_data->pinctrl, pinctrl); + } + +-static int esdhc_set_uhs_signaling(struct sdhci_host *host, unsigned int uhs) ++static void esdhc_set_uhs_signaling(struct sdhci_host *host, unsigned timing) + { + struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); + struct pltfm_imx_data *imx_data = pltfm_host->priv; + struct esdhc_platform_data *boarddata = &imx_data->boarddata; + +- switch (uhs) { ++ switch (timing) { + case MMC_TIMING_UHS_SDR12: +- imx_data->uhs_mode = SDHCI_CTRL_UHS_SDR12; +- break; + case MMC_TIMING_UHS_SDR25: +- imx_data->uhs_mode = SDHCI_CTRL_UHS_SDR25; +- break; + case MMC_TIMING_UHS_SDR50: +- imx_data->uhs_mode = SDHCI_CTRL_UHS_SDR50; +- break; + case MMC_TIMING_UHS_SDR104: + case MMC_TIMING_MMC_HS200: +- imx_data->uhs_mode = SDHCI_CTRL_UHS_SDR104; + break; + case MMC_TIMING_UHS_DDR50: +- imx_data->uhs_mode = SDHCI_CTRL_UHS_DDR50; + writel(readl(host->ioaddr + ESDHC_MIX_CTRL) | + ESDHC_MIX_CTRL_DDREN, + host->ioaddr + ESDHC_MIX_CTRL); +@@ -875,7 +868,15 @@ + break; + } + +- return esdhc_change_pinstate(host, uhs); ++ esdhc_change_pinstate(host, timing); ++} ++ ++static void esdhc_reset(struct sdhci_host *host, u8 mask) ++{ ++ sdhci_reset(host, mask); ++ ++ sdhci_writel(host, host->ier, SDHCI_INT_ENABLE); ++ sdhci_writel(host, host->ier, SDHCI_SIGNAL_ENABLE); + } + + static struct sdhci_ops sdhci_esdhc_ops = { +@@ -888,8 +889,9 @@ + .get_max_clock = esdhc_pltfm_get_max_clock, + .get_min_clock = esdhc_pltfm_get_min_clock, + .get_ro = esdhc_pltfm_get_ro, +- .platform_bus_width = esdhc_pltfm_bus_width, ++ .set_bus_width = esdhc_pltfm_set_bus_width, + .set_uhs_signaling = esdhc_set_uhs_signaling, ++ .reset = esdhc_reset, + }; + + static const struct sdhci_pltfm_data sdhci_esdhc_imx_pdata = { +@@ -1170,8 +1172,10 @@ + + ret = sdhci_runtime_suspend_host(host); + +- clk_disable_unprepare(imx_data->clk_per); +- clk_disable_unprepare(imx_data->clk_ipg); ++ if (!sdhci_sdio_irq_enabled(host)) { ++ clk_disable_unprepare(imx_data->clk_per); ++ clk_disable_unprepare(imx_data->clk_ipg); ++ } + clk_disable_unprepare(imx_data->clk_ahb); + + return ret; +@@ -1183,8 +1187,10 @@ + struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); + struct pltfm_imx_data *imx_data = pltfm_host->priv; + +- clk_prepare_enable(imx_data->clk_per); +- clk_prepare_enable(imx_data->clk_ipg); ++ if (!sdhci_sdio_irq_enabled(host)) { ++ clk_prepare_enable(imx_data->clk_per); ++ clk_prepare_enable(imx_data->clk_ipg); ++ } + clk_prepare_enable(imx_data->clk_ahb); + + return sdhci_runtime_resume_host(host); +diff -Nur linux-3.15-rc6.orig/drivers/mmc/host/sdhci.h linux-3.15-rc6/drivers/mmc/host/sdhci.h +--- linux-3.15-rc6.orig/drivers/mmc/host/sdhci.h 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/drivers/mmc/host/sdhci.h 2014-05-23 11:26:48.304940032 +0200 +@@ -281,18 +281,14 @@ + unsigned int (*get_max_clock)(struct sdhci_host *host); + unsigned int (*get_min_clock)(struct sdhci_host *host); + unsigned int (*get_timeout_clock)(struct sdhci_host *host); +- int (*platform_bus_width)(struct sdhci_host *host, +- int width); ++ void (*set_bus_width)(struct sdhci_host *host, int width); + void (*platform_send_init_74_clocks)(struct sdhci_host *host, + u8 power_mode); + unsigned int (*get_ro)(struct sdhci_host *host); +- void (*platform_reset_enter)(struct sdhci_host *host, u8 mask); +- void (*platform_reset_exit)(struct sdhci_host *host, u8 mask); ++ void (*reset)(struct sdhci_host *host, u8 mask); + int (*platform_execute_tuning)(struct sdhci_host *host, u32 opcode); +- int (*set_uhs_signaling)(struct sdhci_host *host, unsigned int uhs); ++ void (*set_uhs_signaling)(struct sdhci_host *host, unsigned int uhs); + void (*hw_reset)(struct sdhci_host *host); +- void (*platform_suspend)(struct sdhci_host *host); +- void (*platform_resume)(struct sdhci_host *host); + void (*adma_workaround)(struct sdhci_host *host, u32 intmask); + void (*platform_init)(struct sdhci_host *host); + void (*card_event)(struct sdhci_host *host); +@@ -397,6 +393,16 @@ + extern void sdhci_send_command(struct sdhci_host *host, + struct mmc_command *cmd); + ++static inline bool sdhci_sdio_irq_enabled(struct sdhci_host *host) ++{ ++ return !!(host->flags & SDHCI_SDIO_IRQ_ENABLED); ++} ++ ++void sdhci_set_clock(struct sdhci_host *host, unsigned int clock); ++void sdhci_set_bus_width(struct sdhci_host *host, int width); ++void sdhci_reset(struct sdhci_host *host, u8 mask); ++void sdhci_set_uhs_signaling(struct sdhci_host *host, unsigned timing); ++ + #ifdef CONFIG_PM + extern int sdhci_suspend_host(struct sdhci_host *host); + extern int sdhci_resume_host(struct sdhci_host *host); +diff -Nur linux-3.15-rc6.orig/drivers/mmc/host/sdhci-of-arasan.c linux-3.15-rc6/drivers/mmc/host/sdhci-of-arasan.c +--- linux-3.15-rc6.orig/drivers/mmc/host/sdhci-of-arasan.c 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/drivers/mmc/host/sdhci-of-arasan.c 2014-05-23 11:26:48.304940032 +0200 +@@ -52,8 +52,12 @@ + } + + static struct sdhci_ops sdhci_arasan_ops = { ++ .set_clock = sdhci_set_clock, + .get_max_clock = sdhci_pltfm_clk_get_max_clock, + .get_timeout_clock = sdhci_arasan_get_timeout_clock, ++ .set_bus_width = sdhci_set_bus_width, ++ .reset = sdhci_reset, ++ .set_uhs_signaling = sdhci_set_uhs_signaling, + }; + + static struct sdhci_pltfm_data sdhci_arasan_pdata = { +diff -Nur linux-3.15-rc6.orig/drivers/mmc/host/sdhci-of-esdhc.c linux-3.15-rc6/drivers/mmc/host/sdhci-of-esdhc.c +--- linux-3.15-rc6.orig/drivers/mmc/host/sdhci-of-esdhc.c 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/drivers/mmc/host/sdhci-of-esdhc.c 2014-05-23 11:26:48.304940032 +0200 +@@ -199,13 +199,14 @@ + + static void esdhc_of_set_clock(struct sdhci_host *host, unsigned int clock) + { +- + int pre_div = 2; + int div = 1; + u32 temp; + ++ host->mmc->actual_clock = 0; ++ + if (clock == 0) +- goto out; ++ return; + + /* Workaround to reduce the clock frequency for p1010 esdhc */ + if (of_find_compatible_node(NULL, NULL, "fsl,p1010-esdhc")) { +@@ -238,24 +239,8 @@ + | (pre_div << ESDHC_PREDIV_SHIFT)); + sdhci_writel(host, temp, ESDHC_SYSTEM_CONTROL); + mdelay(1); +-out: +- host->clock = clock; + } + +-#ifdef CONFIG_PM +-static u32 esdhc_proctl; +-static void esdhc_of_suspend(struct sdhci_host *host) +-{ +- esdhc_proctl = sdhci_be32bs_readl(host, SDHCI_HOST_CONTROL); +-} +- +-static void esdhc_of_resume(struct sdhci_host *host) +-{ +- esdhc_of_enable_dma(host); +- sdhci_be32bs_writel(host, esdhc_proctl, SDHCI_HOST_CONTROL); +-} +-#endif +- + static void esdhc_of_platform_init(struct sdhci_host *host) + { + u32 vvn; +@@ -269,7 +254,7 @@ + host->quirks &= ~SDHCI_QUIRK_NO_BUSY_IRQ; + } + +-static int esdhc_pltfm_bus_width(struct sdhci_host *host, int width) ++static void esdhc_pltfm_set_bus_width(struct sdhci_host *host, int width) + { + u32 ctrl; + +@@ -289,8 +274,6 @@ + + clrsetbits_be32(host->ioaddr + SDHCI_HOST_CONTROL, + ESDHC_CTRL_BUSWIDTH_MASK, ctrl); +- +- return 0; + } + + static const struct sdhci_ops sdhci_esdhc_ops = { +@@ -305,13 +288,46 @@ + .get_max_clock = esdhc_of_get_max_clock, + .get_min_clock = esdhc_of_get_min_clock, + .platform_init = esdhc_of_platform_init, +-#ifdef CONFIG_PM +- .platform_suspend = esdhc_of_suspend, +- .platform_resume = esdhc_of_resume, +-#endif + .adma_workaround = esdhci_of_adma_workaround, +- .platform_bus_width = esdhc_pltfm_bus_width, ++ .set_bus_width = esdhc_pltfm_set_bus_width, ++ .reset = sdhci_reset, ++ .set_uhs_signaling = sdhci_set_uhs_signaling, ++}; ++ ++#ifdef CONFIG_PM ++ ++static u32 esdhc_proctl; ++static int esdhc_of_suspend(struct device *dev) ++{ ++ struct sdhci_host *host = dev_get_drvdata(dev); ++ ++ esdhc_proctl = sdhci_be32bs_readl(host, SDHCI_HOST_CONTROL); ++ ++ return sdhci_suspend_host(host); ++} ++ ++static void esdhc_of_resume(device *dev) ++{ ++ struct sdhci_host *host = dev_get_drvdata(dev); ++ int ret = sdhci_resume_host(host); ++ ++ if (ret == 0) { ++ /* Isn't this already done by sdhci_resume_host() ? --rmk */ ++ esdhc_of_enable_dma(host); ++ sdhci_be32bs_writel(host, esdhc_proctl, SDHCI_HOST_CONTROL); ++ } ++ ++ return ret; ++} ++ ++static const struct dev_pm_ops esdhc_pmops = { ++ .suspend = esdhci_of_suspend, ++ .resume = esdhci_of_resume, + }; ++#define ESDHC_PMOPS (&esdhc_pmops) ++#else ++#define ESDHC_PMOPS NULL ++#endif + + static const struct sdhci_pltfm_data sdhci_esdhc_pdata = { + /* +@@ -374,7 +390,7 @@ + .name = "sdhci-esdhc", + .owner = THIS_MODULE, + .of_match_table = sdhci_esdhc_of_match, +- .pm = SDHCI_PLTFM_PMOPS, ++ .pm = ESDHC_PMOPS, + }, + .probe = sdhci_esdhc_probe, + .remove = sdhci_esdhc_remove, +diff -Nur linux-3.15-rc6.orig/drivers/mmc/host/sdhci-of-hlwd.c linux-3.15-rc6/drivers/mmc/host/sdhci-of-hlwd.c +--- linux-3.15-rc6.orig/drivers/mmc/host/sdhci-of-hlwd.c 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/drivers/mmc/host/sdhci-of-hlwd.c 2014-05-23 11:26:48.304940032 +0200 +@@ -58,6 +58,10 @@ + .write_l = sdhci_hlwd_writel, + .write_w = sdhci_hlwd_writew, + .write_b = sdhci_hlwd_writeb, ++ .set_clock = sdhci_set_clock, ++ .set_bus_width = sdhci_set_bus_width, ++ .reset = sdhci_reset, ++ .set_uhs_signaling = sdhci_set_uhs_signaling, + }; + + static const struct sdhci_pltfm_data sdhci_hlwd_pdata = { +diff -Nur linux-3.15-rc6.orig/drivers/mmc/host/sdhci-pci.c linux-3.15-rc6/drivers/mmc/host/sdhci-pci.c +--- linux-3.15-rc6.orig/drivers/mmc/host/sdhci-pci.c 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/drivers/mmc/host/sdhci-pci.c 2014-05-23 11:26:48.304940032 +0200 +@@ -1031,7 +1031,7 @@ + return 0; + } + +-static int sdhci_pci_bus_width(struct sdhci_host *host, int width) ++static void sdhci_pci_set_bus_width(struct sdhci_host *host, int width) + { + u8 ctrl; + +@@ -1052,8 +1052,6 @@ + } + + sdhci_writeb(host, ctrl, SDHCI_HOST_CONTROL); +- +- return 0; + } + + static void sdhci_pci_gpio_hw_reset(struct sdhci_host *host) +@@ -1080,8 +1078,11 @@ + } + + static const struct sdhci_ops sdhci_pci_ops = { ++ .set_clock = sdhci_set_clock, + .enable_dma = sdhci_pci_enable_dma, +- .platform_bus_width = sdhci_pci_bus_width, ++ .set_bus_width = sdhci_pci_set_bus_width, ++ .reset = sdhci_reset, ++ .set_uhs_signaling = sdhci_set_uhs_signaling, + .hw_reset = sdhci_pci_hw_reset, + }; + +diff -Nur linux-3.15-rc6.orig/drivers/mmc/host/sdhci-pltfm.c linux-3.15-rc6/drivers/mmc/host/sdhci-pltfm.c +--- linux-3.15-rc6.orig/drivers/mmc/host/sdhci-pltfm.c 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/drivers/mmc/host/sdhci-pltfm.c 2014-05-23 11:26:48.308940045 +0200 +@@ -45,6 +45,10 @@ + EXPORT_SYMBOL_GPL(sdhci_pltfm_clk_get_max_clock); + + static const struct sdhci_ops sdhci_pltfm_ops = { ++ .set_clock = sdhci_set_clock, ++ .set_bus_width = sdhci_set_bus_width, ++ .reset = sdhci_reset, ++ .set_uhs_signaling = sdhci_set_uhs_signaling, + }; + + #ifdef CONFIG_OF +diff -Nur linux-3.15-rc6.orig/drivers/mmc/host/sdhci-pxav2.c linux-3.15-rc6/drivers/mmc/host/sdhci-pxav2.c +--- linux-3.15-rc6.orig/drivers/mmc/host/sdhci-pxav2.c 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/drivers/mmc/host/sdhci-pxav2.c 2014-05-23 11:26:48.308940045 +0200 +@@ -51,11 +51,13 @@ + #define MMC_CARD 0x1000 + #define MMC_WIDTH 0x0100 + +-static void pxav2_set_private_registers(struct sdhci_host *host, u8 mask) ++static void pxav2_reset(struct sdhci_host *host, u8 mask) + { + struct platform_device *pdev = to_platform_device(mmc_dev(host->mmc)); + struct sdhci_pxa_platdata *pdata = pdev->dev.platform_data; + ++ sdhci_reset(host, mask); ++ + if (mask == SDHCI_RESET_ALL) { + u16 tmp = 0; + +@@ -88,7 +90,7 @@ + } + } + +-static int pxav2_mmc_set_width(struct sdhci_host *host, int width) ++static void pxav2_mmc_set_bus_width(struct sdhci_host *host, int width) + { + u8 ctrl; + u16 tmp; +@@ -107,14 +109,14 @@ + } + writew(tmp, host->ioaddr + SD_CE_ATA_2); + writeb(ctrl, host->ioaddr + SDHCI_HOST_CONTROL); +- +- return 0; + } + + static const struct sdhci_ops pxav2_sdhci_ops = { ++ .set_clock = sdhci_set_clock, + .get_max_clock = sdhci_pltfm_clk_get_max_clock, +- .platform_reset_exit = pxav2_set_private_registers, +- .platform_bus_width = pxav2_mmc_set_width, ++ .set_bus_width = pxav2_mmc_set_bus_width, ++ .reset = pxav2_reset, ++ .set_uhs_signaling = sdhci_set_uhs_signaling, + }; + + #ifdef CONFIG_OF +diff -Nur linux-3.15-rc6.orig/drivers/mmc/host/sdhci-pxav3.c linux-3.15-rc6/drivers/mmc/host/sdhci-pxav3.c +--- linux-3.15-rc6.orig/drivers/mmc/host/sdhci-pxav3.c 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/drivers/mmc/host/sdhci-pxav3.c 2014-05-23 11:26:48.308940045 +0200 +@@ -112,11 +112,13 @@ + return 0; + } + +-static void pxav3_set_private_registers(struct sdhci_host *host, u8 mask) ++static void pxav3_reset(struct sdhci_host *host, u8 mask) + { + struct platform_device *pdev = to_platform_device(mmc_dev(host->mmc)); + struct sdhci_pxa_platdata *pdata = pdev->dev.platform_data; + ++ sdhci_reset(host, mask); ++ + if (mask == SDHCI_RESET_ALL) { + /* + * tune timing of read data/command when crc error happen +@@ -184,7 +186,7 @@ + pxa->power_mode = power_mode; + } + +-static int pxav3_set_uhs_signaling(struct sdhci_host *host, unsigned int uhs) ++static void pxav3_set_uhs_signaling(struct sdhci_host *host, unsigned int uhs) + { + u16 ctrl_2; + +@@ -218,15 +220,16 @@ + dev_dbg(mmc_dev(host->mmc), + "%s uhs = %d, ctrl_2 = %04X\n", + __func__, uhs, ctrl_2); +- +- return 0; + } + + static const struct sdhci_ops pxav3_sdhci_ops = { +- .platform_reset_exit = pxav3_set_private_registers, ++ .set_clock = sdhci_set_clock, + .set_uhs_signaling = pxav3_set_uhs_signaling, + .platform_send_init_74_clocks = pxav3_gen_init_74_clocks, + .get_max_clock = sdhci_pltfm_clk_get_max_clock, ++ .set_bus_width = sdhci_set_bus_width, ++ .reset = pxav3_reset, ++ .set_uhs_signaling = sdhci_set_uhs_signaling, + }; + + static struct sdhci_pltfm_data sdhci_pxav3_pdata = { +diff -Nur linux-3.15-rc6.orig/drivers/mmc/host/sdhci-s3c.c linux-3.15-rc6/drivers/mmc/host/sdhci-s3c.c +--- linux-3.15-rc6.orig/drivers/mmc/host/sdhci-s3c.c 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/drivers/mmc/host/sdhci-s3c.c 2014-05-23 11:26:48.308940045 +0200 +@@ -58,6 +58,8 @@ + struct clk *clk_io; + struct clk *clk_bus[MAX_BUS_CLK]; + unsigned long clk_rates[MAX_BUS_CLK]; ++ ++ bool no_divider; + }; + + /** +@@ -70,6 +72,7 @@ + */ + struct sdhci_s3c_drv_data { + unsigned int sdhci_quirks; ++ bool no_divider; + }; + + static inline struct sdhci_s3c *to_s3c(struct sdhci_host *host) +@@ -119,7 +122,7 @@ + * If controller uses a non-standard clock division, find the best clock + * speed possible with selected clock source and skip the division. + */ +- if (ourhost->host->quirks & SDHCI_QUIRK_NONSTANDARD_CLOCK) { ++ if (ourhost->no_divider) { + rate = clk_round_rate(clksrc, wanted); + return wanted - rate; + } +@@ -161,9 +164,13 @@ + int src; + u32 ctrl; + ++ host->mmc->actual_clock = 0; ++ + /* don't bother if the clock is going off. */ +- if (clock == 0) ++ if (clock == 0) { ++ sdhci_set_clock(host, clock); + return; ++ } + + for (src = 0; src < MAX_BUS_CLK; src++) { + delta = sdhci_s3c_consider_clock(ourhost, src, clock); +@@ -215,6 +222,8 @@ + if (clock < 25 * 1000000) + ctrl |= (S3C_SDHCI_CTRL3_FCSEL3 | S3C_SDHCI_CTRL3_FCSEL2); + writel(ctrl, host->ioaddr + S3C_SDHCI_CONTROL3); ++ ++ sdhci_set_clock(host, clock); + } + + /** +@@ -295,10 +304,11 @@ + unsigned long timeout; + u16 clk = 0; + ++ host->mmc->actual_clock = 0; ++ + /* If the clock is going off, set to 0 at clock control register */ + if (clock == 0) { + sdhci_writew(host, 0, SDHCI_CLOCK_CONTROL); +- host->clock = clock; + return; + } + +@@ -306,8 +316,6 @@ + + clk_set_rate(ourhost->clk_bus[ourhost->cur_clk], clock); + +- host->clock = clock; +- + clk = SDHCI_CLOCK_INT_EN; + sdhci_writew(host, clk, SDHCI_CLOCK_CONTROL); + +@@ -329,14 +337,14 @@ + } + + /** +- * sdhci_s3c_platform_bus_width - support 8bit buswidth ++ * sdhci_s3c_set_bus_width - support 8bit buswidth + * @host: The SDHCI host being queried + * @width: MMC_BUS_WIDTH_ macro for the bus width being requested + * + * We have 8-bit width support but is not a v3 controller. + * So we add platform_bus_width() and support 8bit width. + */ +-static int sdhci_s3c_platform_bus_width(struct sdhci_host *host, int width) ++static void sdhci_s3c_set_bus_width(struct sdhci_host *host, int width) + { + u8 ctrl; + +@@ -358,15 +366,15 @@ + } + + sdhci_writeb(host, ctrl, SDHCI_HOST_CONTROL); +- +- return 0; + } + + static struct sdhci_ops sdhci_s3c_ops = { + .get_max_clock = sdhci_s3c_get_max_clk, + .set_clock = sdhci_s3c_set_clock, + .get_min_clock = sdhci_s3c_get_min_clock, +- .platform_bus_width = sdhci_s3c_platform_bus_width, ++ .set_bus_width = sdhci_s3c_set_bus_width, ++ .reset = sdhci_reset, ++ .set_uhs_signaling = sdhci_set_uhs_signaling, + }; + + static void sdhci_s3c_notify_change(struct platform_device *dev, int state) +@@ -606,8 +614,10 @@ + /* Setup quirks for the controller */ + host->quirks |= SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC; + host->quirks |= SDHCI_QUIRK_NO_HISPD_BIT; +- if (drv_data) ++ if (drv_data) { + host->quirks |= drv_data->sdhci_quirks; ++ sc->no_divider = drv_data->no_divider; ++ } + + #ifndef CONFIG_MMC_SDHCI_S3C_DMA + +@@ -656,7 +666,7 @@ + * If controller does not have internal clock divider, + * we can use overriding functions instead of default. + */ +- if (host->quirks & SDHCI_QUIRK_NONSTANDARD_CLOCK) { ++ if (sc->no_divider) { + sdhci_s3c_ops.set_clock = sdhci_cmu_set_clock; + sdhci_s3c_ops.get_min_clock = sdhci_cmu_get_min_clock; + sdhci_s3c_ops.get_max_clock = sdhci_cmu_get_max_clock; +@@ -797,7 +807,7 @@ + + #if defined(CONFIG_CPU_EXYNOS4210) || defined(CONFIG_SOC_EXYNOS4212) + static struct sdhci_s3c_drv_data exynos4_sdhci_drv_data = { +- .sdhci_quirks = SDHCI_QUIRK_NONSTANDARD_CLOCK, ++ .no_divider = true, + }; + #define EXYNOS4_SDHCI_DRV_DATA ((kernel_ulong_t)&exynos4_sdhci_drv_data) + #else +diff -Nur linux-3.15-rc6.orig/drivers/mmc/host/sdhci-sirf.c linux-3.15-rc6/drivers/mmc/host/sdhci-sirf.c +--- linux-3.15-rc6.orig/drivers/mmc/host/sdhci-sirf.c 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/drivers/mmc/host/sdhci-sirf.c 2014-05-23 11:26:48.308940045 +0200 +@@ -28,7 +28,11 @@ + } + + static struct sdhci_ops sdhci_sirf_ops = { ++ .set_clock = sdhci_set_clock, + .get_max_clock = sdhci_sirf_get_max_clk, ++ .set_bus_width = sdhci_set_bus_width, ++ .reset = sdhci_reset, ++ .set_uhs_signaling = sdhci_set_uhs_signaling, + }; + + static struct sdhci_pltfm_data sdhci_sirf_pdata = { +diff -Nur linux-3.15-rc6.orig/drivers/mmc/host/sdhci-spear.c linux-3.15-rc6/drivers/mmc/host/sdhci-spear.c +--- linux-3.15-rc6.orig/drivers/mmc/host/sdhci-spear.c 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/drivers/mmc/host/sdhci-spear.c 2014-05-23 11:26:48.308940045 +0200 +@@ -38,7 +38,10 @@ + + /* sdhci ops */ + static const struct sdhci_ops sdhci_pltfm_ops = { +- /* Nothing to do for now. */ ++ .set_clock = sdhci_set_clock, ++ .set_bus_width = sdhci_set_bus_width, ++ .reset = sdhci_reset, ++ .set_uhs_signaling = sdhci_set_uhs_signaling, + }; + + #ifdef CONFIG_OF +diff -Nur linux-3.15-rc6.orig/drivers/mmc/host/sdhci-tegra.c linux-3.15-rc6/drivers/mmc/host/sdhci-tegra.c +--- linux-3.15-rc6.orig/drivers/mmc/host/sdhci-tegra.c 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/drivers/mmc/host/sdhci-tegra.c 2014-05-23 11:26:48.308940045 +0200 +@@ -48,19 +48,6 @@ + int power_gpio; + }; + +-static u32 tegra_sdhci_readl(struct sdhci_host *host, int reg) +-{ +- u32 val; +- +- if (unlikely(reg == SDHCI_PRESENT_STATE)) { +- /* Use wp_gpio here instead? */ +- val = readl(host->ioaddr + reg); +- return val | SDHCI_WRITE_PROTECT; +- } +- +- return readl(host->ioaddr + reg); +-} +- + static u16 tegra_sdhci_readw(struct sdhci_host *host, int reg) + { + struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); +@@ -108,12 +95,14 @@ + return mmc_gpio_get_ro(host->mmc); + } + +-static void tegra_sdhci_reset_exit(struct sdhci_host *host, u8 mask) ++static void tegra_sdhci_reset(struct sdhci_host *host, u8 mask) + { + struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); + struct sdhci_tegra *tegra_host = pltfm_host->priv; + const struct sdhci_tegra_soc_data *soc_data = tegra_host->soc_data; + ++ sdhci_reset(host, mask); ++ + if (!(mask & SDHCI_RESET_ALL)) + return; + +@@ -127,7 +116,7 @@ + } + } + +-static int tegra_sdhci_buswidth(struct sdhci_host *host, int bus_width) ++static void tegra_sdhci_set_bus_width(struct sdhci_host *host, int bus_width) + { + u32 ctrl; + +@@ -144,16 +133,16 @@ + ctrl &= ~SDHCI_CTRL_4BITBUS; + } + sdhci_writeb(host, ctrl, SDHCI_HOST_CONTROL); +- return 0; + } + + static const struct sdhci_ops tegra_sdhci_ops = { + .get_ro = tegra_sdhci_get_ro, +- .read_l = tegra_sdhci_readl, + .read_w = tegra_sdhci_readw, + .write_l = tegra_sdhci_writel, +- .platform_bus_width = tegra_sdhci_buswidth, +- .platform_reset_exit = tegra_sdhci_reset_exit, ++ .set_clock = sdhci_set_clock, ++ .set_bus_width = tegra_sdhci_set_bus_width, ++ .reset = tegra_sdhci_reset, ++ .set_uhs_signaling = sdhci_set_uhs_signaling, + }; + + static const struct sdhci_pltfm_data sdhci_tegra20_pdata = { +diff -Nur linux-3.15-rc6.orig/drivers/net/ethernet/freescale/fec.h linux-3.15-rc6/drivers/net/ethernet/freescale/fec.h +--- linux-3.15-rc6.orig/drivers/net/ethernet/freescale/fec.h 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/drivers/net/ethernet/freescale/fec.h 2014-05-23 11:26:48.308940045 +0200 +@@ -14,6 +14,7 @@ + /****************************************************************************/ + + #include ++#include + #include + #include + +@@ -170,6 +171,11 @@ + unsigned short res0[4]; + }; + ++union bufdesc_u { ++ struct bufdesc bd; ++ struct bufdesc_ex ebd; ++}; ++ + /* + * The following definitions courtesy of commproc.h, which where + * Copyright (c) 1997 Dan Malek (dmalek@jlc.net). +@@ -202,6 +208,7 @@ + #define BD_ENET_RX_OV ((ushort)0x0002) + #define BD_ENET_RX_CL ((ushort)0x0001) + #define BD_ENET_RX_STATS ((ushort)0x013f) /* All status bits */ ++#define BD_ENET_RX_ERROR ((ushort)0x003f) + + /* Enhanced buffer descriptor control/status used by Ethernet receive */ + #define BD_ENET_RX_VLAN 0x00000004 +@@ -224,10 +231,17 @@ + #define BD_ENET_TX_STATS ((ushort)0x03ff) /* All status bits */ + + /*enhanced buffer descriptor control/status used by Ethernet transmit*/ +-#define BD_ENET_TX_INT 0x40000000 +-#define BD_ENET_TX_TS 0x20000000 +-#define BD_ENET_TX_PINS 0x10000000 +-#define BD_ENET_TX_IINS 0x08000000 ++#define BD_ENET_TX_INT BIT(30) ++#define BD_ENET_TX_TS BIT(29) ++#define BD_ENET_TX_PINS BIT(28) ++#define BD_ENET_TX_IINS BIT(27) ++#define BD_ENET_TX_TXE BIT(15) ++#define BD_ENET_TX_UE BIT(13) ++#define BD_ENET_TX_EE BIT(12) ++#define BD_ENET_TX_FE BIT(11) ++#define BD_ENET_TX_LCE BIT(10) ++#define BD_ENET_TX_OE BIT(9) ++#define BD_ENET_TX_TSE BIT(8) + + + /* This device has up to three irqs on some platforms */ +@@ -240,28 +254,20 @@ + * the skbuffer directly. + */ + +-#define FEC_ENET_RX_PAGES 8 ++#define FEC_ENET_RX_PAGES 64 + #define FEC_ENET_RX_FRSIZE 2048 + #define FEC_ENET_RX_FRPPG (PAGE_SIZE / FEC_ENET_RX_FRSIZE) + #define RX_RING_SIZE (FEC_ENET_RX_FRPPG * FEC_ENET_RX_PAGES) + #define FEC_ENET_TX_FRSIZE 2048 + #define FEC_ENET_TX_FRPPG (PAGE_SIZE / FEC_ENET_TX_FRSIZE) +-#define TX_RING_SIZE 16 /* Must be power of two */ +-#define TX_RING_MOD_MASK 15 /* for this to work */ ++#define TX_RING_SIZE 128 /* Must be power of two */ + + #define BD_ENET_RX_INT 0x00800000 + #define BD_ENET_RX_PTP ((ushort)0x0400) + #define BD_ENET_RX_ICE 0x00000020 + #define BD_ENET_RX_PCR 0x00000010 +-#define FLAG_RX_CSUM_ENABLED (BD_ENET_RX_ICE | BD_ENET_RX_PCR) + #define FLAG_RX_CSUM_ERROR (BD_ENET_RX_ICE | BD_ENET_RX_PCR) + +-struct fec_enet_delayed_work { +- struct delayed_work delay_work; +- bool timeout; +- bool trig_tx; +-}; +- + /* The FEC buffer descriptors track the ring buffers. The rx_bd_base and + * tx_bd_base always point to the base of the buffer descriptors. The + * cur_rx and cur_tx point to the currently available buffer. +@@ -281,27 +287,33 @@ + struct clk *clk_enet_out; + struct clk *clk_ptp; + ++ unsigned char tx_page_map[TX_RING_SIZE]; + /* The saved address of a sent-in-place packet/buffer, for skfree(). */ + unsigned char *tx_bounce[TX_RING_SIZE]; + struct sk_buff *tx_skbuff[TX_RING_SIZE]; + struct sk_buff *rx_skbuff[RX_RING_SIZE]; + + /* CPM dual port RAM relative addresses */ +- dma_addr_t bd_dma; ++ dma_addr_t rx_bd_dma; ++ dma_addr_t tx_bd_dma; + /* Address of Rx and Tx buffers */ +- struct bufdesc *rx_bd_base; +- struct bufdesc *tx_bd_base; ++ union bufdesc_u *rx_bd_base; ++ union bufdesc_u *tx_bd_base; + /* The next free ring entry */ +- struct bufdesc *cur_rx, *cur_tx; +- /* The ring entries to be free()ed */ +- struct bufdesc *dirty_tx; ++ unsigned short tx_next; ++ unsigned short tx_dirty; ++ unsigned short tx_min; ++ unsigned short rx_next; + + unsigned short tx_ring_size; + unsigned short rx_ring_size; + ++ unsigned char flags; ++ ++ struct mutex mutex; ++ + struct platform_device *pdev; + +- int opened; + int dev_id; + + /* Phylib and MDIO interface */ +@@ -315,11 +327,12 @@ + int speed; + struct completion mdio_done; + int irq[FEC_IRQ_NUM]; +- int bufdesc_ex; +- int pause_flag; ++ unsigned short pause_flag; ++ unsigned short pause_mode; + + struct napi_struct napi; +- int csum_flags; ++ ++ struct work_struct tx_timeout_work; + + struct ptp_clock *ptp_clock; + struct ptp_clock_info ptp_caps; +@@ -333,8 +346,8 @@ + int hwts_rx_en; + int hwts_tx_en; + struct timer_list time_keep; +- struct fec_enet_delayed_work delay_work; + struct regulator *reg_phy; ++ unsigned long quirks; + }; + + void fec_ptp_init(struct platform_device *pdev); +diff -Nur linux-3.15-rc6.orig/drivers/net/ethernet/freescale/fec_main.c linux-3.15-rc6/drivers/net/ethernet/freescale/fec_main.c +--- linux-3.15-rc6.orig/drivers/net/ethernet/freescale/fec_main.c 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/drivers/net/ethernet/freescale/fec_main.c 2014-05-23 11:26:48.312940058 +0200 +@@ -33,12 +33,6 @@ + #include + #include + #include +-#include +-#include +-#include +-#include +-#include +-#include + #include + #include + #include +@@ -91,16 +85,8 @@ + #define FEC_QUIRK_HAS_CSUM (1 << 5) + /* Controller has hardware vlan support */ + #define FEC_QUIRK_HAS_VLAN (1 << 6) +-/* ENET IP errata ERR006358 +- * +- * If the ready bit in the transmit buffer descriptor (TxBD[R]) is previously +- * detected as not set during a prior frame transmission, then the +- * ENET_TDAR[TDAR] bit is cleared at a later time, even if additional TxBDs +- * were added to the ring and the ENET_TDAR[TDAR] bit is set. This results in +- * frames not being transmitted until there is a 0-to-1 transition on +- * ENET_TDAR[TDAR]. +- */ +-#define FEC_QUIRK_ERR006358 (1 << 7) ++/* Controller has ability to offset rx packets */ ++#define FEC_QUIRK_RX_SHIFT16 (1 << 8) + + static struct platform_device_id fec_devtype[] = { + { +@@ -120,7 +106,7 @@ + .name = "imx6q-fec", + .driver_data = FEC_QUIRK_ENET_MAC | FEC_QUIRK_HAS_GBIT | + FEC_QUIRK_HAS_BUFDESC_EX | FEC_QUIRK_HAS_CSUM | +- FEC_QUIRK_HAS_VLAN | FEC_QUIRK_ERR006358, ++ FEC_QUIRK_HAS_VLAN | FEC_QUIRK_RX_SHIFT16, + }, { + .name = "mvf600-fec", + .driver_data = FEC_QUIRK_ENET_MAC, +@@ -172,9 +158,15 @@ + #endif + #endif /* CONFIG_M5272 */ + +-#if (((RX_RING_SIZE + TX_RING_SIZE) * 32) > PAGE_SIZE) +-#error "FEC: descriptor ring size constants too large" ++#if RX_RING_SIZE * 32 > PAGE_SIZE ++#error "FEC: receive descriptor ring size too large" + #endif ++#if TX_RING_SIZE * 32 > PAGE_SIZE ++#error "FEC: transmit descriptor ring size too large" ++#endif ++ ++/* Minimum TX ring size when using NETIF_F_SG */ ++#define TX_RING_SIZE_MIN_SG (2 * (MAX_SKB_FRAGS + 1)) + + /* Interrupt events/masks. */ + #define FEC_ENET_HBERR ((uint)0x80000000) /* Heartbeat error */ +@@ -200,6 +192,7 @@ + /* FEC receive acceleration */ + #define FEC_RACC_IPDIS (1 << 1) + #define FEC_RACC_PRODIS (1 << 2) ++#define FEC_RACC_SHIFT16 BIT(7) + #define FEC_RACC_OPTIONS (FEC_RACC_IPDIS | FEC_RACC_PRODIS) + + /* +@@ -228,62 +221,60 @@ + /* Transmitter timeout */ + #define TX_TIMEOUT (2 * HZ) + +-#define FEC_PAUSE_FLAG_AUTONEG 0x1 +-#define FEC_PAUSE_FLAG_ENABLE 0x2 ++/* pause mode/flag */ ++#define FEC_PAUSE_FLAG_AUTONEG BIT(0) ++#define FEC_PAUSE_FLAG_RX BIT(1) ++#define FEC_PAUSE_FLAG_TX BIT(2) ++ ++/* flags */ ++#define FEC_FLAG_BUFDESC_EX BIT(0) ++#define FEC_FLAG_RX_CSUM BIT(1) ++#define FEC_FLAG_RX_VLAN BIT(2) + + static int mii_cnt; + +-static inline +-struct bufdesc *fec_enet_get_nextdesc(struct bufdesc *bdp, struct fec_enet_private *fep) ++static unsigned copybreak = 200; ++module_param(copybreak, uint, 0644); ++MODULE_PARM_DESC(copybreak, ++ "Maximum size of packet that is copied to a new buffer on receive"); ++ ++static bool fec_enet_rx_zerocopy(struct fec_enet_private *fep, unsigned pktlen) + { +- struct bufdesc *new_bd = bdp + 1; +- struct bufdesc_ex *ex_new_bd = (struct bufdesc_ex *)bdp + 1; +- struct bufdesc_ex *ex_base; +- struct bufdesc *base; +- int ring_size; +- +- if (bdp >= fep->tx_bd_base) { +- base = fep->tx_bd_base; +- ring_size = fep->tx_ring_size; +- ex_base = (struct bufdesc_ex *)fep->tx_bd_base; +- } else { +- base = fep->rx_bd_base; +- ring_size = fep->rx_ring_size; +- ex_base = (struct bufdesc_ex *)fep->rx_bd_base; +- } ++#ifndef CONFIG_M5272 ++ if (fep->quirks & FEC_QUIRK_RX_SHIFT16 && pktlen >= copybreak) ++ return true; ++#endif ++ return false; ++} + +- if (fep->bufdesc_ex) +- return (struct bufdesc *)((ex_new_bd >= (ex_base + ring_size)) ? +- ex_base : ex_new_bd); ++static union bufdesc_u * ++fec_enet_tx_get(unsigned index, struct fec_enet_private *fep) ++{ ++ union bufdesc_u *base = fep->tx_bd_base; ++ union bufdesc_u *bdp; ++ ++ if (fep->flags & FEC_FLAG_BUFDESC_EX) ++ bdp = (union bufdesc_u *)(&base->ebd + index); + else +- return (new_bd >= (base + ring_size)) ? +- base : new_bd; ++ bdp = (union bufdesc_u *)(&base->bd + index); ++ ++ return bdp; + } + +-static inline +-struct bufdesc *fec_enet_get_prevdesc(struct bufdesc *bdp, struct fec_enet_private *fep) ++static union bufdesc_u * ++fec_enet_rx_get(unsigned index, struct fec_enet_private *fep) + { +- struct bufdesc *new_bd = bdp - 1; +- struct bufdesc_ex *ex_new_bd = (struct bufdesc_ex *)bdp - 1; +- struct bufdesc_ex *ex_base; +- struct bufdesc *base; +- int ring_size; +- +- if (bdp >= fep->tx_bd_base) { +- base = fep->tx_bd_base; +- ring_size = fep->tx_ring_size; +- ex_base = (struct bufdesc_ex *)fep->tx_bd_base; +- } else { +- base = fep->rx_bd_base; +- ring_size = fep->rx_ring_size; +- ex_base = (struct bufdesc_ex *)fep->rx_bd_base; +- } ++ union bufdesc_u *base = fep->rx_bd_base; ++ union bufdesc_u *bdp; ++ ++ index &= fep->rx_ring_size - 1; + +- if (fep->bufdesc_ex) +- return (struct bufdesc *)((ex_new_bd < ex_base) ? +- (ex_new_bd + ring_size) : ex_new_bd); ++ if (fep->flags & FEC_FLAG_BUFDESC_EX) ++ bdp = (union bufdesc_u *)(&base->ebd + index); + else +- return (new_bd < base) ? (new_bd + ring_size) : new_bd; ++ bdp = (union bufdesc_u *)(&base->bd + index); ++ ++ return bdp; + } + + static void *swap_buffer(void *bufaddr, int len) +@@ -297,13 +288,47 @@ + return bufaddr; + } + ++static void fec_dump(struct net_device *ndev) ++{ ++ struct fec_enet_private *fep = netdev_priv(ndev); ++ union bufdesc_u *bdp; ++ unsigned index = 0; ++ ++ netdev_info(ndev, "TX ring dump\n"); ++ pr_info("Nr SC addr len SKB\n"); ++ ++ for (index = 0; index < fep->tx_ring_size; index++) { ++ bdp = fec_enet_tx_get(index, fep); ++ ++ pr_info("%3u %c%c 0x%04x 0x%08lx %4u %p", ++ index, ++ index == fep->tx_next ? 'S' : ' ', ++ index == fep->tx_dirty ? 'H' : ' ', ++ bdp->bd.cbd_sc, bdp->bd.cbd_bufaddr, ++ bdp->bd.cbd_datlen, ++ fep->tx_skbuff[index]); ++ if (fep->flags & FEC_FLAG_BUFDESC_EX) ++ pr_cont(" %08lx", bdp->ebd.cbd_esc); ++ pr_cont("\n"); ++ } ++} ++ + static int + fec_enet_clear_csum(struct sk_buff *skb, struct net_device *ndev) + { ++ int csum_start; ++ + /* Only run for packets requiring a checksum. */ + if (skb->ip_summed != CHECKSUM_PARTIAL) + return 0; + ++ csum_start = skb_checksum_start_offset(skb); ++ if (csum_start + skb->csum_offset > skb_headlen(skb)) { ++ netdev_err(ndev, "checksum outside skb head: headlen %u start %u offset %u\n", ++ skb_headlen(skb), csum_start, skb->csum_offset); ++ return -1; ++ } ++ + if (unlikely(skb_cow_head(skb, 0))) + return -1; + +@@ -312,23 +337,56 @@ + return 0; + } + ++static void ++fec_enet_tx_unmap(unsigned index, union bufdesc_u *bdp, struct fec_enet_private *fep) ++{ ++ dma_addr_t addr = bdp->bd.cbd_bufaddr; ++ unsigned length = bdp->bd.cbd_datlen; ++ ++ bdp->bd.cbd_bufaddr = 0; ++ ++ if (fep->tx_page_map[index]) ++ dma_unmap_page(&fep->pdev->dev, addr, length, DMA_TO_DEVICE); ++ else ++ dma_unmap_single(&fep->pdev->dev, addr, length, DMA_TO_DEVICE); ++} ++ ++static void ++fec_enet_tx_unmap_range(unsigned index, unsigned last, struct fec_enet_private *fep) ++{ ++ union bufdesc_u *bdp; ++ ++ do { ++ if (last == 0) ++ last = fep->tx_ring_size; ++ last--; ++ ++ bdp = fec_enet_tx_get(last, fep); ++ fec_enet_tx_unmap(last, bdp, fep); ++ } while (index != last); ++} ++ ++static unsigned ring_free(unsigned ins, unsigned rem, unsigned size) ++{ ++ int num = rem - ins; ++ return num < 0 ? num + size : num; ++} ++ + static netdev_tx_t + fec_enet_start_xmit(struct sk_buff *skb, struct net_device *ndev) + { + struct fec_enet_private *fep = netdev_priv(ndev); +- const struct platform_device_id *id_entry = +- platform_get_device_id(fep->pdev); +- struct bufdesc *bdp, *bdp_pre; ++ union bufdesc_u *bdp; + void *bufaddr; + unsigned short status; +- unsigned int index; ++ unsigned index, last, length, cbd_esc; ++ int f, nr_frags = skb_shinfo(skb)->nr_frags; ++ dma_addr_t addr; + + /* Fill in a Tx ring entry */ +- bdp = fep->cur_tx; +- +- status = bdp->cbd_sc; ++ index = fep->tx_next; + +- if (status & BD_ENET_TX_READY) { ++ if (ring_free(index, fep->tx_dirty, fep->tx_ring_size) < 1 + nr_frags) { + /* Ooops. All transmit buffers are full. Bail out. + * This should not happen, since ndev->tbusy should be set. + */ +@@ -342,26 +400,17 @@ + return NETDEV_TX_OK; + } + +- /* Clear all of the status flags */ +- status &= ~BD_ENET_TX_STATS; +- + /* Set buffer length and buffer pointer */ + bufaddr = skb->data; +- bdp->cbd_datlen = skb->len; ++ length = skb_headlen(skb); + + /* + * On some FEC implementations data must be aligned on + * 4-byte boundaries. Use bounce buffers to copy data + * and get it aligned. Ugh. + */ +- if (fep->bufdesc_ex) +- index = (struct bufdesc_ex *)bdp - +- (struct bufdesc_ex *)fep->tx_bd_base; +- else +- index = bdp - fep->tx_bd_base; +- + if (((unsigned long) bufaddr) & FEC_ALIGNMENT) { +- memcpy(fep->tx_bounce[index], skb->data, skb->len); ++ memcpy(fep->tx_bounce[index], skb->data, length); + bufaddr = fep->tx_bounce[index]; + } + +@@ -370,75 +419,127 @@ + * the system that it's running on. As the result, driver has to + * swap every frame going to and coming from the controller. + */ +- if (id_entry->driver_data & FEC_QUIRK_SWAP_FRAME) +- swap_buffer(bufaddr, skb->len); ++ if (fep->quirks & FEC_QUIRK_SWAP_FRAME) ++ swap_buffer(bufaddr, length); + +- /* Save skb pointer */ +- fep->tx_skbuff[index] = skb; ++ /* Push the data cache so the CPM does not get stale memory data. */ ++ addr = dma_map_single(&fep->pdev->dev, bufaddr, length, DMA_TO_DEVICE); ++ if (dma_mapping_error(&fep->pdev->dev, addr)) ++ goto release; ++ ++ bdp = fec_enet_tx_get(index, fep); ++ bdp->bd.cbd_datlen = length; ++ bdp->bd.cbd_bufaddr = addr; + +- /* Push the data cache so the CPM does not get stale memory +- * data. +- */ +- bdp->cbd_bufaddr = dma_map_single(&fep->pdev->dev, bufaddr, +- skb->len, DMA_TO_DEVICE); +- if (dma_mapping_error(&fep->pdev->dev, bdp->cbd_bufaddr)) { +- bdp->cbd_bufaddr = 0; +- fep->tx_skbuff[index] = NULL; +- dev_kfree_skb_any(skb); +- if (net_ratelimit()) +- netdev_err(ndev, "Tx DMA memory map failed\n"); +- return NETDEV_TX_OK; +- } ++ fep->tx_page_map[index] = 0; + +- if (fep->bufdesc_ex) { +- +- struct bufdesc_ex *ebdp = (struct bufdesc_ex *)bdp; +- ebdp->cbd_bdu = 0; ++ cbd_esc = BD_ENET_TX_INT; ++ if (fep->flags & FEC_FLAG_BUFDESC_EX) { + if (unlikely(skb_shinfo(skb)->tx_flags & SKBTX_HW_TSTAMP && + fep->hwts_tx_en)) { +- ebdp->cbd_esc = (BD_ENET_TX_TS | BD_ENET_TX_INT); ++ cbd_esc |= BD_ENET_TX_TS; + skb_shinfo(skb)->tx_flags |= SKBTX_IN_PROGRESS; + } else { +- ebdp->cbd_esc = BD_ENET_TX_INT; +- + /* Enable protocol checksum flags + * We do not bother with the IP Checksum bits as they + * are done by the kernel + */ + if (skb->ip_summed == CHECKSUM_PARTIAL) +- ebdp->cbd_esc |= BD_ENET_TX_PINS; ++ cbd_esc |= BD_ENET_TX_PINS; ++ } ++ bdp->ebd.cbd_bdu = 0; ++ bdp->ebd.cbd_esc = cbd_esc; ++ } ++ ++ for (last = index, f = 0; f < nr_frags; f++) { ++ const struct skb_frag_struct *frag = &skb_shinfo(skb)->frags[f]; ++ ++ if (++last >= fep->tx_ring_size) ++ last = 0; ++ ++ length = skb_frag_size(frag); ++ ++ /* If the alignment is unsuitable, we need to bounce. */ ++ if (frag->page_offset & FEC_ALIGNMENT) { ++ unsigned char *bounce = fep->tx_bounce[last]; ++ ++ /* FIXME: highdma? */ ++ memcpy(bounce, skb_frag_address(frag), length); ++ ++ addr = dma_map_single(&fep->pdev->dev, bounce, ++ length, DMA_TO_DEVICE); ++ fep->tx_page_map[last] = 0; ++ } else { ++ addr = skb_frag_dma_map(&fep->pdev->dev, frag, 0, ++ length, DMA_TO_DEVICE); ++ fep->tx_page_map[last] = 1; ++ } ++ ++ if (dma_mapping_error(&fep->pdev->dev, addr)) ++ goto release_frags; ++ ++ bdp = fec_enet_tx_get(last, fep); ++ bdp->bd.cbd_datlen = length; ++ bdp->bd.cbd_bufaddr = addr; ++ if (fep->flags & FEC_FLAG_BUFDESC_EX) { ++ bdp->ebd.cbd_esc = cbd_esc; ++ bdp->ebd.cbd_bdu = 0; + } + } + ++ /* Save skb pointer */ ++ fep->tx_skbuff[last] = skb; ++ ++ /* ++ * We need the preceding stores to the descriptor to complete ++ * before updating the status field, which hands it over to the ++ * hardware. The corresponding rmb() is "in the hardware". ++ */ ++ wmb(); ++ + /* Send it on its way. Tell FEC it's ready, interrupt when done, + * it's the last BD of the frame, and to put the CRC on the end. + */ +- status |= (BD_ENET_TX_READY | BD_ENET_TX_INTR +- | BD_ENET_TX_LAST | BD_ENET_TX_TC); +- bdp->cbd_sc = status; +- +- bdp_pre = fec_enet_get_prevdesc(bdp, fep); +- if ((id_entry->driver_data & FEC_QUIRK_ERR006358) && +- !(bdp_pre->cbd_sc & BD_ENET_TX_READY)) { +- fep->delay_work.trig_tx = true; +- schedule_delayed_work(&(fep->delay_work.delay_work), +- msecs_to_jiffies(1)); ++ status = bdp->bd.cbd_sc & BD_ENET_TX_WRAP; ++ bdp->bd.cbd_sc = status | BD_ENET_TX_READY | BD_ENET_TX_INTR | ++ BD_ENET_TX_LAST | BD_ENET_TX_TC; ++ ++ /* Now walk backwards setting the TX_READY on each fragment */ ++ for (f = nr_frags - 1; f >= 0; f--) { ++ unsigned i = index + f; ++ ++ if (i >= fep->tx_ring_size) ++ i -= fep->tx_ring_size; ++ ++ bdp = fec_enet_tx_get(i, fep); ++ status = bdp->bd.cbd_sc & BD_ENET_TX_WRAP; ++ bdp->bd.cbd_sc = status | BD_ENET_TX_READY | BD_ENET_TX_INTR; + } + +- /* If this was the last BD in the ring, start at the beginning again. */ +- bdp = fec_enet_get_nextdesc(bdp, fep); +- + skb_tx_timestamp(skb); ++ netdev_sent_queue(ndev, skb->len); ++ ++ if (++last >= fep->tx_ring_size) ++ last = 0; + +- fep->cur_tx = bdp; ++ fep->tx_next = last; + +- if (fep->cur_tx == fep->dirty_tx) ++ if (ring_free(last, fep->tx_dirty, fep->tx_ring_size) < fep->tx_min) + netif_stop_queue(ndev); + + /* Trigger transmission start */ +- writel(0, fep->hwp + FEC_X_DES_ACTIVE); ++ if (readl(fep->hwp + FEC_X_DES_ACTIVE) == 0) ++ writel(0, fep->hwp + FEC_X_DES_ACTIVE); + + return NETDEV_TX_OK; ++ ++ release_frags: ++ fec_enet_tx_unmap_range(index, last, fep); ++ release: ++ dev_kfree_skb_any(skb); ++ if (net_ratelimit()) ++ netdev_err(ndev, "Tx DMA memory map failed\n"); ++ return NETDEV_TX_OK; + } + + /* Init RX & TX buffer descriptors +@@ -446,71 +547,60 @@ + static void fec_enet_bd_init(struct net_device *dev) + { + struct fec_enet_private *fep = netdev_priv(dev); +- struct bufdesc *bdp; ++ union bufdesc_u *bdp; + unsigned int i; + + /* Initialize the receive buffer descriptors. */ +- bdp = fep->rx_bd_base; + for (i = 0; i < fep->rx_ring_size; i++) { ++ bdp = fec_enet_rx_get(i, fep); + + /* Initialize the BD for every fragment in the page. */ +- if (bdp->cbd_bufaddr) +- bdp->cbd_sc = BD_ENET_RX_EMPTY; ++ if (bdp->bd.cbd_bufaddr) ++ bdp->bd.cbd_sc = BD_ENET_RX_EMPTY; + else +- bdp->cbd_sc = 0; +- bdp = fec_enet_get_nextdesc(bdp, fep); +- } ++ bdp->bd.cbd_sc = 0; + +- /* Set the last buffer to wrap */ +- bdp = fec_enet_get_prevdesc(bdp, fep); +- bdp->cbd_sc |= BD_SC_WRAP; ++ if (i == fep->rx_ring_size - 1) ++ bdp->bd.cbd_sc |= BD_SC_WRAP; ++ } + +- fep->cur_rx = fep->rx_bd_base; ++ fep->rx_next = 0; + + /* ...and the same for transmit */ +- bdp = fep->tx_bd_base; +- fep->cur_tx = bdp; + for (i = 0; i < fep->tx_ring_size; i++) { ++ bdp = fec_enet_tx_get(i, fep); + + /* Initialize the BD for every fragment in the page. */ +- bdp->cbd_sc = 0; +- if (bdp->cbd_bufaddr && fep->tx_skbuff[i]) { ++ if (i == fep->tx_ring_size - 1) ++ bdp->bd.cbd_sc = BD_SC_WRAP; ++ else ++ bdp->bd.cbd_sc = 0; ++ if (bdp->bd.cbd_bufaddr) ++ fec_enet_tx_unmap(i, bdp, fep); ++ if (fep->tx_skbuff[i]) { + dev_kfree_skb_any(fep->tx_skbuff[i]); + fep->tx_skbuff[i] = NULL; + } +- bdp->cbd_bufaddr = 0; +- bdp = fec_enet_get_nextdesc(bdp, fep); + } + +- /* Set the last buffer to wrap */ +- bdp = fec_enet_get_prevdesc(bdp, fep); +- bdp->cbd_sc |= BD_SC_WRAP; +- fep->dirty_tx = bdp; ++ fep->tx_next = 0; ++ fep->tx_dirty = fep->tx_ring_size - 1; + } + +-/* This function is called to start or restart the FEC during a link +- * change. This only happens when switching between half and full +- * duplex. ++/* ++ * This function is called to start or restart the FEC during a link ++ * change, transmit timeout, or to reconfigure the FEC. The network ++ * packet processing for this device must be stopped before this call. + */ + static void +-fec_restart(struct net_device *ndev, int duplex) ++fec_restart(struct net_device *ndev) + { + struct fec_enet_private *fep = netdev_priv(ndev); +- const struct platform_device_id *id_entry = +- platform_get_device_id(fep->pdev); +- int i; + u32 val; + u32 temp_mac[2]; + u32 rcntl = OPT_FRAME_SIZE | 0x04; + u32 ecntl = 0x2; /* ETHEREN */ + +- if (netif_running(ndev)) { +- netif_device_detach(ndev); +- napi_disable(&fep->napi); +- netif_stop_queue(ndev); +- netif_tx_lock_bh(ndev); +- } +- + /* Whack a reset. We should wait for this. */ + writel(1, fep->hwp + FEC_ECNTRL); + udelay(10); +@@ -519,7 +609,7 @@ + * enet-mac reset will reset mac address registers too, + * so need to reconfigure it. + */ +- if (id_entry->driver_data & FEC_QUIRK_ENET_MAC) { ++ if (fep->quirks & FEC_QUIRK_ENET_MAC) { + memcpy(&temp_mac, ndev->dev_addr, ETH_ALEN); + writel(cpu_to_be32(temp_mac[0]), fep->hwp + FEC_ADDR_LOW); + writel(cpu_to_be32(temp_mac[1]), fep->hwp + FEC_ADDR_HIGH); +@@ -531,27 +621,16 @@ + /* Set maximum receive buffer size. */ + writel(PKT_MAXBLR_SIZE, fep->hwp + FEC_R_BUFF_SIZE); + +- fec_enet_bd_init(ndev); ++ if (fep->rx_bd_base) ++ fec_enet_bd_init(ndev); ++ netdev_reset_queue(ndev); + + /* Set receive and transmit descriptor base. */ +- writel(fep->bd_dma, fep->hwp + FEC_R_DES_START); +- if (fep->bufdesc_ex) +- writel((unsigned long)fep->bd_dma + sizeof(struct bufdesc_ex) +- * fep->rx_ring_size, fep->hwp + FEC_X_DES_START); +- else +- writel((unsigned long)fep->bd_dma + sizeof(struct bufdesc) +- * fep->rx_ring_size, fep->hwp + FEC_X_DES_START); +- +- +- for (i = 0; i <= TX_RING_MOD_MASK; i++) { +- if (fep->tx_skbuff[i]) { +- dev_kfree_skb_any(fep->tx_skbuff[i]); +- fep->tx_skbuff[i] = NULL; +- } +- } ++ writel(fep->rx_bd_dma, fep->hwp + FEC_R_DES_START); ++ writel(fep->tx_bd_dma, fep->hwp + FEC_X_DES_START); + + /* Enable MII mode */ +- if (duplex) { ++ if (fep->full_duplex == DUPLEX_FULL) { + /* FD enable */ + writel(0x04, fep->hwp + FEC_X_CNTRL); + } else { +@@ -560,15 +639,15 @@ + writel(0x0, fep->hwp + FEC_X_CNTRL); + } + +- fep->full_duplex = duplex; +- + /* Set MII speed */ + writel(fep->phy_speed, fep->hwp + FEC_MII_SPEED); + + #if !defined(CONFIG_M5272) + /* set RX checksum */ + val = readl(fep->hwp + FEC_RACC); +- if (fep->csum_flags & FLAG_RX_CSUM_ENABLED) ++ if (fep->quirks & FEC_QUIRK_RX_SHIFT16) ++ val |= FEC_RACC_SHIFT16; ++ if (fep->flags & FEC_FLAG_RX_CSUM) + val |= FEC_RACC_OPTIONS; + else + val &= ~FEC_RACC_OPTIONS; +@@ -579,9 +658,9 @@ + * The phy interface and speed need to get configured + * differently on enet-mac. + */ +- if (id_entry->driver_data & FEC_QUIRK_ENET_MAC) { ++ if (fep->quirks & FEC_QUIRK_ENET_MAC) { + /* Enable flow control and length check */ +- rcntl |= 0x40000000 | 0x00000020; ++ rcntl |= 0x40000000; + + /* RGMII, RMII or MII */ + if (fep->phy_interface == PHY_INTERFACE_MODE_RGMII) +@@ -602,7 +681,7 @@ + } + } else { + #ifdef FEC_MIIGSK_ENR +- if (id_entry->driver_data & FEC_QUIRK_USE_GASKET) { ++ if (fep->quirks & FEC_QUIRK_USE_GASKET) { + u32 cfgr; + /* disable the gasket and wait */ + writel(0, fep->hwp + FEC_MIIGSK_ENR); +@@ -627,22 +706,24 @@ + } + + #if !defined(CONFIG_M5272) +- /* enable pause frame*/ +- if ((fep->pause_flag & FEC_PAUSE_FLAG_ENABLE) || +- ((fep->pause_flag & FEC_PAUSE_FLAG_AUTONEG) && +- fep->phy_dev && fep->phy_dev->pause)) { +- rcntl |= FEC_ENET_FCE; +- +- /* set FIFO threshold parameter to reduce overrun */ +- writel(FEC_ENET_RSEM_V, fep->hwp + FEC_R_FIFO_RSEM); +- writel(FEC_ENET_RSFL_V, fep->hwp + FEC_R_FIFO_RSFL); +- writel(FEC_ENET_RAEM_V, fep->hwp + FEC_R_FIFO_RAEM); +- writel(FEC_ENET_RAFL_V, fep->hwp + FEC_R_FIFO_RAFL); ++ if (fep->full_duplex == DUPLEX_FULL) { ++ /* ++ * Configure pause modes according to the current status. ++ * Must only be enabled for full duplex links. ++ */ ++ if (fep->pause_mode & FEC_PAUSE_FLAG_RX) ++ rcntl |= FEC_ENET_FCE; + +- /* OPD */ +- writel(FEC_ENET_OPD_V, fep->hwp + FEC_OPD); +- } else { +- rcntl &= ~FEC_ENET_FCE; ++ if (fep->pause_mode & FEC_PAUSE_FLAG_TX) { ++ /* set FIFO threshold parameter to reduce overrun */ ++ writel(FEC_ENET_RSEM_V, fep->hwp + FEC_R_FIFO_RSEM); ++ writel(FEC_ENET_RSFL_V, fep->hwp + FEC_R_FIFO_RSFL); ++ writel(FEC_ENET_RAEM_V, fep->hwp + FEC_R_FIFO_RAEM); ++ writel(FEC_ENET_RAFL_V, fep->hwp + FEC_R_FIFO_RAFL); ++ ++ /* OPD */ ++ writel(FEC_ENET_OPD_V, fep->hwp + FEC_OPD); ++ } + } + #endif /* !defined(CONFIG_M5272) */ + +@@ -655,14 +736,14 @@ + writel(0, fep->hwp + FEC_HASH_TABLE_LOW); + #endif + +- if (id_entry->driver_data & FEC_QUIRK_ENET_MAC) { ++ if (fep->quirks & FEC_QUIRK_ENET_MAC) { + /* enable ENET endian swap */ + ecntl |= (1 << 8); + /* enable ENET store and forward mode */ + writel(1 << 8, fep->hwp + FEC_X_WMRK); + } + +- if (fep->bufdesc_ex) ++ if (fep->flags & FEC_FLAG_BUFDESC_EX) + ecntl |= (1 << 4); + + #ifndef CONFIG_M5272 +@@ -674,26 +755,17 @@ + writel(ecntl, fep->hwp + FEC_ECNTRL); + writel(0, fep->hwp + FEC_R_DES_ACTIVE); + +- if (fep->bufdesc_ex) ++ if (fep->flags & FEC_FLAG_BUFDESC_EX) + fec_ptp_start_cyclecounter(ndev); + + /* Enable interrupts we wish to service */ + writel(FEC_DEFAULT_IMASK, fep->hwp + FEC_IMASK); +- +- if (netif_running(ndev)) { +- netif_tx_unlock_bh(ndev); +- netif_wake_queue(ndev); +- napi_enable(&fep->napi); +- netif_device_attach(ndev); +- } + } + + static void + fec_stop(struct net_device *ndev) + { + struct fec_enet_private *fep = netdev_priv(ndev); +- const struct platform_device_id *id_entry = +- platform_get_device_id(fep->pdev); + u32 rmii_mode = readl(fep->hwp + FEC_R_CNTRL) & (1 << 8); + + /* We cannot expect a graceful transmit stop without link !!! */ +@@ -711,7 +783,7 @@ + writel(FEC_DEFAULT_IMASK, fep->hwp + FEC_IMASK); + + /* We have to keep ENET enabled to have MII interrupt stay working */ +- if (id_entry->driver_data & FEC_QUIRK_ENET_MAC) { ++ if (fep->quirks & FEC_QUIRK_ENET_MAC) { + writel(2, fep->hwp + FEC_ECNTRL); + writel(rmii_mode, fep->hwp + FEC_R_CNTRL); + } +@@ -723,127 +795,312 @@ + { + struct fec_enet_private *fep = netdev_priv(ndev); + ++ fec_dump(ndev); ++ + ndev->stats.tx_errors++; + +- fep->delay_work.timeout = true; +- schedule_delayed_work(&(fep->delay_work.delay_work), 0); ++ schedule_work(&fep->tx_timeout_work); + } + +-static void fec_enet_work(struct work_struct *work) ++static void fec_enet_timeout_work(struct work_struct *work) + { + struct fec_enet_private *fep = +- container_of(work, +- struct fec_enet_private, +- delay_work.delay_work.work); +- +- if (fep->delay_work.timeout) { +- fep->delay_work.timeout = false; +- fec_restart(fep->netdev, fep->full_duplex); +- netif_wake_queue(fep->netdev); +- } ++ container_of(work, struct fec_enet_private, tx_timeout_work); ++ struct net_device *ndev = fep->netdev; + +- if (fep->delay_work.trig_tx) { +- fep->delay_work.trig_tx = false; +- writel(0, fep->hwp + FEC_X_DES_ACTIVE); ++ rtnl_lock(); ++ if (netif_device_present(ndev) || netif_running(ndev)) { ++ mutex_lock(&fep->mutex); ++ napi_disable(&fep->napi); ++ netif_tx_lock_bh(ndev); ++ fec_restart(ndev); ++ netif_wake_queue(ndev); ++ netif_tx_unlock_bh(ndev); ++ napi_enable(&fep->napi); ++ mutex_unlock(&fep->mutex); + } ++ rtnl_unlock(); + } + + static void ++fec_enet_hwtstamp(struct fec_enet_private *fep, unsigned ts, ++ struct skb_shared_hwtstamps *hwtstamps) ++{ ++ unsigned long flags; ++ u64 ns; ++ ++ spin_lock_irqsave(&fep->tmreg_lock, flags); ++ ns = timecounter_cyc2time(&fep->tc, ts); ++ spin_unlock_irqrestore(&fep->tmreg_lock, flags); ++ ++ memset(hwtstamps, 0, sizeof(*hwtstamps)); ++ hwtstamps->hwtstamp = ns_to_ktime(ns); ++} ++ ++static void noinline + fec_enet_tx(struct net_device *ndev) + { +- struct fec_enet_private *fep; +- struct bufdesc *bdp; +- unsigned short status; ++ struct fec_enet_private *fep = netdev_priv(ndev); ++ union bufdesc_u *bdp; + struct sk_buff *skb; +- int index = 0; +- +- fep = netdev_priv(ndev); +- bdp = fep->dirty_tx; ++ unsigned index = fep->tx_dirty; ++ unsigned pkts_compl, bytes_compl; + +- /* get next bdp of dirty_tx */ +- bdp = fec_enet_get_nextdesc(bdp, fep); ++ pkts_compl = bytes_compl = 0; ++ do { ++ unsigned status, cbd_esc; + +- while (((status = bdp->cbd_sc) & BD_ENET_TX_READY) == 0) { ++ if (++index >= fep->tx_ring_size) ++ index = 0; + + /* current queue is empty */ +- if (bdp == fep->cur_tx) ++ if (index == fep->tx_next) + break; + +- if (fep->bufdesc_ex) +- index = (struct bufdesc_ex *)bdp - +- (struct bufdesc_ex *)fep->tx_bd_base; +- else +- index = bdp - fep->tx_bd_base; ++ bdp = fec_enet_tx_get(index, fep); ++ ++ status = bdp->bd.cbd_sc; ++ if (status & BD_ENET_TX_READY) ++ break; ++ ++ fec_enet_tx_unmap(index, bdp, fep); + + skb = fep->tx_skbuff[index]; +- dma_unmap_single(&fep->pdev->dev, bdp->cbd_bufaddr, skb->len, +- DMA_TO_DEVICE); +- bdp->cbd_bufaddr = 0; ++ fep->tx_skbuff[index] = NULL; + + /* Check for errors. */ +- if (status & (BD_ENET_TX_HB | BD_ENET_TX_LC | +- BD_ENET_TX_RL | BD_ENET_TX_UN | +- BD_ENET_TX_CSL)) { +- ndev->stats.tx_errors++; +- if (status & BD_ENET_TX_HB) /* No heartbeat */ +- ndev->stats.tx_heartbeat_errors++; +- if (status & BD_ENET_TX_LC) /* Late collision */ +- ndev->stats.tx_window_errors++; +- if (status & BD_ENET_TX_RL) /* Retrans limit */ +- ndev->stats.tx_aborted_errors++; +- if (status & BD_ENET_TX_UN) /* Underrun */ +- ndev->stats.tx_fifo_errors++; +- if (status & BD_ENET_TX_CSL) /* Carrier lost */ +- ndev->stats.tx_carrier_errors++; ++ if (fep->flags & FEC_FLAG_BUFDESC_EX) { ++ cbd_esc = bdp->ebd.cbd_esc; ++ if (cbd_esc & BD_ENET_TX_TXE) { ++ ndev->stats.tx_errors++; ++ if (cbd_esc & BD_ENET_TX_EE) { /* excess collision */ ++ ndev->stats.collisions += 16; ++ ndev->stats.tx_aborted_errors++; ++ } ++ if (cbd_esc & BD_ENET_TX_LCE) /* late collision error */ ++ ndev->stats.tx_window_errors++; ++ if (cbd_esc & (BD_ENET_TX_UE | BD_ENET_TX_FE | BD_ENET_TX_OE)) ++ ndev->stats.tx_fifo_errors++; ++ goto next; ++ } + } else { +- ndev->stats.tx_packets++; +- ndev->stats.tx_bytes += bdp->cbd_datlen; ++ if (status & (BD_ENET_TX_HB | BD_ENET_TX_LC | ++ BD_ENET_TX_RL | BD_ENET_TX_UN | ++ BD_ENET_TX_CSL)) { ++ ndev->stats.tx_errors++; ++ if (status & BD_ENET_TX_HB) /* No heartbeat */ ++ ndev->stats.tx_heartbeat_errors++; ++ if (status & BD_ENET_TX_LC) /* Late collision */ ++ ndev->stats.tx_window_errors++; ++ if (status & BD_ENET_TX_RL) /* Retrans limit */ ++ ndev->stats.tx_aborted_errors++; ++ if (status & BD_ENET_TX_UN) /* Underrun */ ++ ndev->stats.tx_fifo_errors++; ++ if (status & BD_ENET_TX_CSL) /* Carrier lost */ ++ ndev->stats.tx_carrier_errors++; ++ goto next; ++ } + } + +- if (unlikely(skb_shinfo(skb)->tx_flags & SKBTX_IN_PROGRESS) && +- fep->bufdesc_ex) { +- struct skb_shared_hwtstamps shhwtstamps; +- unsigned long flags; +- struct bufdesc_ex *ebdp = (struct bufdesc_ex *)bdp; +- +- memset(&shhwtstamps, 0, sizeof(shhwtstamps)); +- spin_lock_irqsave(&fep->tmreg_lock, flags); +- shhwtstamps.hwtstamp = ns_to_ktime( +- timecounter_cyc2time(&fep->tc, ebdp->ts)); +- spin_unlock_irqrestore(&fep->tmreg_lock, flags); +- skb_tstamp_tx(skb, &shhwtstamps); ++ if (skb) { ++ ndev->stats.tx_packets++; ++ ndev->stats.tx_bytes += skb->len; + } + +- if (status & BD_ENET_TX_READY) +- netdev_err(ndev, "HEY! Enet xmit interrupt and TX_READY\n"); +- + /* Deferred means some collisions occurred during transmit, + * but we eventually sent the packet OK. + */ + if (status & BD_ENET_TX_DEF) + ndev->stats.collisions++; ++ next: ++ if (skb) { ++ if (fep->flags & FEC_FLAG_BUFDESC_EX && ++ unlikely(skb_shinfo(skb)->tx_flags & SKBTX_IN_PROGRESS)) { ++ struct skb_shared_hwtstamps shhwtstamps; + +- /* Free the sk buffer associated with this last transmit */ +- dev_kfree_skb_any(skb); +- fep->tx_skbuff[index] = NULL; ++ fec_enet_hwtstamp(fep, bdp->ebd.ts, &shhwtstamps); ++ skb_tstamp_tx(skb, &shhwtstamps); ++ } + +- fep->dirty_tx = bdp; ++ pkts_compl++; ++ bytes_compl += skb->len; + +- /* Update pointer to next buffer descriptor to be transmitted */ +- bdp = fec_enet_get_nextdesc(bdp, fep); ++ /* Free the sk buffer associated with this last transmit */ ++ dev_kfree_skb_any(skb); ++ } + +- /* Since we have freed up a buffer, the ring is no longer full +- */ +- if (fep->dirty_tx != fep->cur_tx) { +- if (netif_queue_stopped(ndev)) +- netif_wake_queue(ndev); ++ fep->tx_dirty = index; ++ } while (1); ++ ++ netdev_completed_queue(ndev, pkts_compl, bytes_compl); ++ ++ /* ERR006538: Keep the transmitter going */ ++ if (index != fep->tx_next && readl(fep->hwp + FEC_X_DES_ACTIVE) == 0) ++ writel(0, fep->hwp + FEC_X_DES_ACTIVE); ++ ++ if (netif_queue_stopped(ndev) && ++ ring_free(fep->tx_next, fep->tx_dirty, fep->tx_ring_size) >= ++ fep->tx_min) ++ netif_wake_queue(ndev); ++} ++ ++ ++static void ++fec_enet_receive(struct sk_buff *skb, union bufdesc_u *bdp, struct net_device *ndev) ++{ ++ struct fec_enet_private *fep = netdev_priv(ndev); ++ ++ skb->protocol = eth_type_trans(skb, ndev); ++ ++ /* Get receive timestamp from the skb */ ++ if (fep->hwts_rx_en && fep->flags & FEC_FLAG_BUFDESC_EX) ++ fec_enet_hwtstamp(fep, bdp->ebd.ts, skb_hwtstamps(skb)); ++ ++ if (fep->flags & FEC_FLAG_RX_CSUM) { ++ if (!(bdp->ebd.cbd_esc & FLAG_RX_CSUM_ERROR)) { ++ /* don't check it */ ++ skb->ip_summed = CHECKSUM_UNNECESSARY; ++ } else { ++ skb_checksum_none_assert(skb); + } + } +- return; ++ ++ napi_gro_receive(&fep->napi, skb); ++} ++ ++static void ++fec_enet_receive_copy(unsigned pkt_len, unsigned index, union bufdesc_u *bdp, struct net_device *ndev) ++{ ++ struct fec_enet_private *fep = netdev_priv(ndev); ++ struct sk_buff *skb; ++ unsigned char *data; ++ bool vlan_packet_rcvd = false; ++ ++ /* ++ * Detect the presence of the VLAN tag, and adjust ++ * the packet length appropriately. ++ */ ++ if (fep->flags & FEC_FLAG_RX_VLAN && ++ bdp->ebd.cbd_esc & BD_ENET_RX_VLAN) { ++ pkt_len -= VLAN_HLEN; ++ vlan_packet_rcvd = true; ++ } ++ ++ /* This does 16 byte alignment, exactly what we need. */ ++ skb = netdev_alloc_skb(ndev, pkt_len + NET_IP_ALIGN); ++ if (unlikely(!skb)) { ++ ndev->stats.rx_dropped++; ++ return; ++ } ++ ++ dma_sync_single_for_cpu(&fep->pdev->dev, bdp->bd.cbd_bufaddr, ++ FEC_ENET_RX_FRSIZE, DMA_FROM_DEVICE); ++ ++ data = fep->rx_skbuff[index]->data; ++ ++#ifndef CONFIG_M5272 ++ /* ++ * If we have enabled this feature, we need to discard ++ * the two bytes at the beginning of the packet before ++ * copying it. ++ */ ++ if (fep->quirks & FEC_QUIRK_RX_SHIFT16) { ++ pkt_len -= 2; ++ data += 2; ++ } ++#endif ++ ++ if (fep->quirks & FEC_QUIRK_SWAP_FRAME) ++ swap_buffer(data, pkt_len); ++ ++ skb_reserve(skb, NET_IP_ALIGN); ++ skb_put(skb, pkt_len); /* Make room */ ++ ++ /* If this is a VLAN packet remove the VLAN Tag */ ++ if (vlan_packet_rcvd) { ++ struct vlan_hdr *vlan = (struct vlan_hdr *)(data + ETH_HLEN); ++ ++ __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), ++ ntohs(vlan->h_vlan_TCI)); ++ ++ /* Extract the frame data without the VLAN header. */ ++ skb_copy_to_linear_data(skb, data, 2 * ETH_ALEN); ++ skb_copy_to_linear_data_offset(skb, 2 * ETH_ALEN, ++ data + 2 * ETH_ALEN + VLAN_HLEN, ++ pkt_len - 2 * ETH_ALEN); ++ } else { ++ skb_copy_to_linear_data(skb, data, pkt_len); ++ } ++ ++ dma_sync_single_for_device(&fep->pdev->dev, bdp->bd.cbd_bufaddr, ++ FEC_ENET_RX_FRSIZE, DMA_FROM_DEVICE); ++ ++ fec_enet_receive(skb, bdp, ndev); + } + ++static void ++fec_enet_receive_nocopy(unsigned pkt_len, unsigned index, union bufdesc_u *bdp, ++ struct net_device *ndev) ++{ ++ struct fec_enet_private *fep = netdev_priv(ndev); ++ struct sk_buff *skb, *skb_new; ++ unsigned char *data; ++ dma_addr_t addr; ++ ++ skb_new = netdev_alloc_skb(ndev, FEC_ENET_RX_FRSIZE); ++ if (!skb_new) { ++ ndev->stats.rx_dropped++; ++ return; ++ } ++ ++ addr = dma_map_single(&fep->pdev->dev, skb_new->data, ++ FEC_ENET_RX_FRSIZE, DMA_FROM_DEVICE); ++ if (dma_mapping_error(&fep->pdev->dev, addr)) { ++ dev_kfree_skb(skb_new); ++ ndev->stats.rx_dropped++; ++ return; ++ } + +-/* During a receive, the cur_rx points to the current incoming buffer. ++ /* We have the new skb, so proceed to deal with the received data. */ ++ dma_unmap_single(&fep->pdev->dev, bdp->bd.cbd_bufaddr, ++ FEC_ENET_RX_FRSIZE, DMA_FROM_DEVICE); ++ ++ skb = fep->rx_skbuff[index]; ++ ++ /* Now subsitute in the new skb */ ++ fep->rx_skbuff[index] = skb_new; ++ bdp->bd.cbd_bufaddr = addr; ++ ++ /* ++ * Update the skb length according to the raw packet length. ++ * Then remove the two bytes of additional padding. ++ */ ++ skb_put(skb, pkt_len); ++ data = skb_pull_inline(skb, 2); ++ ++ if (fep->quirks & FEC_QUIRK_SWAP_FRAME) ++ swap_buffer(data, skb->len); ++ ++ /* ++ * Now juggle things for the VLAN tag - if the hardware ++ * flags this as present, we need to read the tag, and ++ * then shuffle the ethernet addresses up. ++ */ ++ if (ndev->features & NETIF_F_HW_VLAN_CTAG_RX && ++ bdp->ebd.cbd_esc & BD_ENET_RX_VLAN) { ++ struct vlan_hdr *vlan = (struct vlan_hdr *)(data + ETH_HLEN); ++ ++ __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), ++ ntohs(vlan->h_vlan_TCI)); ++ ++ memmove(data + VLAN_HLEN, data, 2 * ETH_ALEN); ++ skb_pull_inline(skb, VLAN_HLEN); ++ } ++ ++ fec_enet_receive(skb, bdp, ndev); ++} ++ ++/* During a receive, the rx_next points to the current incoming buffer. + * When we update through the ring, if the next incoming buffer has + * not been given to the system, we just set the empty indicator, + * effectively tossing the packet. +@@ -852,18 +1109,9 @@ + fec_enet_rx(struct net_device *ndev, int budget) + { + struct fec_enet_private *fep = netdev_priv(ndev); +- const struct platform_device_id *id_entry = +- platform_get_device_id(fep->pdev); +- struct bufdesc *bdp; +- unsigned short status; +- struct sk_buff *skb; + ushort pkt_len; +- __u8 *data; + int pkt_received = 0; +- struct bufdesc_ex *ebdp = NULL; +- bool vlan_packet_rcvd = false; +- u16 vlan_tag; +- int index = 0; ++ unsigned index = fep->rx_next; + + #ifdef CONFIG_M532x + flush_cache_all(); +@@ -872,12 +1120,17 @@ + /* First, grab all of the stats for the incoming packet. + * These get messed up if we get called due to a busy condition. + */ +- bdp = fep->cur_rx; ++ do { ++ union bufdesc_u *bdp = fec_enet_rx_get(index, fep); ++ unsigned status; + +- while (!((status = bdp->cbd_sc) & BD_ENET_RX_EMPTY)) { ++ status = bdp->bd.cbd_sc; ++ if (status & BD_ENET_RX_EMPTY) ++ break; + + if (pkt_received >= budget) + break; ++ + pkt_received++; + + /* Since we have allocated space to hold a complete frame, +@@ -886,155 +1139,81 @@ + if ((status & BD_ENET_RX_LAST) == 0) + netdev_err(ndev, "rcv is not +last\n"); + +- if (!fep->opened) +- goto rx_processing_done; ++ writel(FEC_ENET_RXF, fep->hwp + FEC_IEVENT); + + /* Check for errors. */ +- if (status & (BD_ENET_RX_LG | BD_ENET_RX_SH | BD_ENET_RX_NO | +- BD_ENET_RX_CR | BD_ENET_RX_OV)) { ++ if (status & BD_ENET_RX_ERROR) { + ndev->stats.rx_errors++; +- if (status & (BD_ENET_RX_LG | BD_ENET_RX_SH)) { +- /* Frame too long or too short. */ +- ndev->stats.rx_length_errors++; +- } +- if (status & BD_ENET_RX_NO) /* Frame alignment */ +- ndev->stats.rx_frame_errors++; +- if (status & BD_ENET_RX_CR) /* CRC Error */ +- ndev->stats.rx_crc_errors++; +- if (status & BD_ENET_RX_OV) /* FIFO overrun */ +- ndev->stats.rx_fifo_errors++; +- } + +- /* Report late collisions as a frame error. +- * On this error, the BD is closed, but we don't know what we +- * have in the buffer. So, just drop this frame on the floor. +- */ +- if (status & BD_ENET_RX_CL) { +- ndev->stats.rx_errors++; +- ndev->stats.rx_frame_errors++; ++ /* ++ * Report late collisions as a frame error. On this ++ * error, the BD is closed, but we don't know what we ++ * have in the buffer. So, just drop this frame on ++ * the floor. ++ */ ++ if (status & BD_ENET_RX_CL) { ++ ndev->stats.rx_frame_errors++; ++ } else { ++ if (status & (BD_ENET_RX_LG | BD_ENET_RX_SH)) ++ /* Frame too long or too short. */ ++ ndev->stats.rx_length_errors++; ++ if (status & BD_ENET_RX_NO) /* Frame alignment */ ++ ndev->stats.rx_frame_errors++; ++ if (status & BD_ENET_RX_CR) /* CRC Error */ ++ ndev->stats.rx_crc_errors++; ++ if (status & BD_ENET_RX_OV) /* FIFO overrun */ ++ ndev->stats.rx_fifo_errors++; ++ } + goto rx_processing_done; + } + + /* Process the incoming frame. */ + ndev->stats.rx_packets++; +- pkt_len = bdp->cbd_datlen; +- ndev->stats.rx_bytes += pkt_len; +- +- if (fep->bufdesc_ex) +- index = (struct bufdesc_ex *)bdp - +- (struct bufdesc_ex *)fep->rx_bd_base; +- else +- index = bdp - fep->rx_bd_base; +- data = fep->rx_skbuff[index]->data; +- dma_sync_single_for_cpu(&fep->pdev->dev, bdp->cbd_bufaddr, +- FEC_ENET_RX_FRSIZE, DMA_FROM_DEVICE); +- +- if (id_entry->driver_data & FEC_QUIRK_SWAP_FRAME) +- swap_buffer(data, pkt_len); + +- /* Extract the enhanced buffer descriptor */ +- ebdp = NULL; +- if (fep->bufdesc_ex) +- ebdp = (struct bufdesc_ex *)bdp; +- +- /* If this is a VLAN packet remove the VLAN Tag */ +- vlan_packet_rcvd = false; +- if ((ndev->features & NETIF_F_HW_VLAN_CTAG_RX) && +- fep->bufdesc_ex && (ebdp->cbd_esc & BD_ENET_RX_VLAN)) { +- /* Push and remove the vlan tag */ +- struct vlan_hdr *vlan_header = +- (struct vlan_hdr *) (data + ETH_HLEN); +- vlan_tag = ntohs(vlan_header->h_vlan_TCI); +- pkt_len -= VLAN_HLEN; +- +- vlan_packet_rcvd = true; +- } +- +- /* This does 16 byte alignment, exactly what we need. +- * The packet length includes FCS, but we don't want to +- * include that when passing upstream as it messes up +- * bridging applications. ++ /* ++ * The packet length includes FCS, but we don't want ++ * to include that when passing upstream as it messes ++ * up bridging applications. + */ +- skb = netdev_alloc_skb(ndev, pkt_len - 4 + NET_IP_ALIGN); ++ pkt_len = bdp->bd.cbd_datlen - 4; ++ ndev->stats.rx_bytes += pkt_len; + +- if (unlikely(!skb)) { +- ndev->stats.rx_dropped++; ++ if (fec_enet_rx_zerocopy(fep, pkt_len)) { ++ fec_enet_receive_nocopy(pkt_len, index, bdp, ndev); + } else { +- int payload_offset = (2 * ETH_ALEN); +- skb_reserve(skb, NET_IP_ALIGN); +- skb_put(skb, pkt_len - 4); /* Make room */ +- +- /* Extract the frame data without the VLAN header. */ +- skb_copy_to_linear_data(skb, data, (2 * ETH_ALEN)); +- if (vlan_packet_rcvd) +- payload_offset = (2 * ETH_ALEN) + VLAN_HLEN; +- skb_copy_to_linear_data_offset(skb, (2 * ETH_ALEN), +- data + payload_offset, +- pkt_len - 4 - (2 * ETH_ALEN)); +- +- skb->protocol = eth_type_trans(skb, ndev); +- +- /* Get receive timestamp from the skb */ +- if (fep->hwts_rx_en && fep->bufdesc_ex) { +- struct skb_shared_hwtstamps *shhwtstamps = +- skb_hwtstamps(skb); +- unsigned long flags; +- +- memset(shhwtstamps, 0, sizeof(*shhwtstamps)); +- +- spin_lock_irqsave(&fep->tmreg_lock, flags); +- shhwtstamps->hwtstamp = ns_to_ktime( +- timecounter_cyc2time(&fep->tc, ebdp->ts)); +- spin_unlock_irqrestore(&fep->tmreg_lock, flags); +- } +- +- if (fep->bufdesc_ex && +- (fep->csum_flags & FLAG_RX_CSUM_ENABLED)) { +- if (!(ebdp->cbd_esc & FLAG_RX_CSUM_ERROR)) { +- /* don't check it */ +- skb->ip_summed = CHECKSUM_UNNECESSARY; +- } else { +- skb_checksum_none_assert(skb); +- } +- } +- +- /* Handle received VLAN packets */ +- if (vlan_packet_rcvd) +- __vlan_hwaccel_put_tag(skb, +- htons(ETH_P_8021Q), +- vlan_tag); +- +- napi_gro_receive(&fep->napi, skb); ++ fec_enet_receive_copy(pkt_len, index, bdp, ndev); + } + +- dma_sync_single_for_device(&fep->pdev->dev, bdp->cbd_bufaddr, +- FEC_ENET_RX_FRSIZE, DMA_FROM_DEVICE); + rx_processing_done: ++ if (fep->flags & FEC_FLAG_BUFDESC_EX) { ++ bdp->ebd.cbd_esc = BD_ENET_RX_INT; ++ bdp->ebd.cbd_prot = 0; ++ bdp->ebd.cbd_bdu = 0; ++ } ++ ++ /* ++ * Ensure that the previous writes have completed before ++ * the status update becomes visible. ++ */ ++ wmb(); ++ + /* Clear the status flags for this buffer */ + status &= ~BD_ENET_RX_STATS; + + /* Mark the buffer empty */ + status |= BD_ENET_RX_EMPTY; +- bdp->cbd_sc = status; +- +- if (fep->bufdesc_ex) { +- struct bufdesc_ex *ebdp = (struct bufdesc_ex *)bdp; +- +- ebdp->cbd_esc = BD_ENET_RX_INT; +- ebdp->cbd_prot = 0; +- ebdp->cbd_bdu = 0; +- } +- +- /* Update BD pointer to next entry */ +- bdp = fec_enet_get_nextdesc(bdp, fep); ++ bdp->bd.cbd_sc = status; + + /* Doing this here will keep the FEC running while we process + * incoming frames. On a heavily loaded network, we should be + * able to keep up at the expense of system resources. + */ + writel(0, fep->hwp + FEC_R_DES_ACTIVE); +- } +- fep->cur_rx = bdp; ++ ++ if (++index >= fep->rx_ring_size) ++ index = 0; ++ } while (1); ++ fep->rx_next = index; + + return pkt_received; + } +@@ -1044,29 +1223,25 @@ + { + struct net_device *ndev = dev_id; + struct fec_enet_private *fep = netdev_priv(ndev); ++ const unsigned napi_mask = FEC_ENET_RXF | FEC_ENET_TXF; + uint int_events; + irqreturn_t ret = IRQ_NONE; + +- do { +- int_events = readl(fep->hwp + FEC_IEVENT); +- writel(int_events, fep->hwp + FEC_IEVENT); ++ int_events = readl(fep->hwp + FEC_IEVENT); ++ writel(int_events & ~napi_mask, fep->hwp + FEC_IEVENT); + +- if (int_events & (FEC_ENET_RXF | FEC_ENET_TXF)) { +- ret = IRQ_HANDLED; ++ if (int_events & napi_mask) { ++ ret = IRQ_HANDLED; + +- /* Disable the RX interrupt */ +- if (napi_schedule_prep(&fep->napi)) { +- writel(FEC_RX_DISABLED_IMASK, +- fep->hwp + FEC_IMASK); +- __napi_schedule(&fep->napi); +- } +- } ++ /* Disable the NAPI interrupts */ ++ writel(FEC_ENET_MII, fep->hwp + FEC_IMASK); ++ napi_schedule(&fep->napi); ++ } + +- if (int_events & FEC_ENET_MII) { +- ret = IRQ_HANDLED; +- complete(&fep->mdio_done); +- } +- } while (int_events); ++ if (int_events & FEC_ENET_MII) { ++ ret = IRQ_HANDLED; ++ complete(&fep->mdio_done); ++ } + + return ret; + } +@@ -1074,8 +1249,16 @@ + static int fec_enet_rx_napi(struct napi_struct *napi, int budget) + { + struct net_device *ndev = napi->dev; +- int pkts = fec_enet_rx(ndev, budget); + struct fec_enet_private *fep = netdev_priv(ndev); ++ int pkts; ++ ++ /* ++ * Clear any pending transmit or receive interrupts before ++ * processing the rings to avoid racing with the hardware. ++ */ ++ writel(FEC_ENET_RXF | FEC_ENET_TXF, fep->hwp + FEC_IEVENT); ++ ++ pkts = fec_enet_rx(ndev, budget); + + fec_enet_tx(ndev); + +@@ -1173,26 +1356,78 @@ + return; + } + +- if (phy_dev->link) { ++ /* ++ * If the netdev is down, or is going down, we're not interested ++ * in link state events, so just mark our idea of the link as down ++ * and ignore the event. ++ */ ++ if (!netif_running(ndev) || !netif_device_present(ndev)) { ++ fep->link = 0; ++ } else if (phy_dev->link) { + if (!fep->link) { + fep->link = phy_dev->link; + status_change = 1; + } + +- if (fep->full_duplex != phy_dev->duplex) ++ if (fep->full_duplex != phy_dev->duplex) { ++ fep->full_duplex = phy_dev->duplex; + status_change = 1; ++ } + + if (phy_dev->speed != fep->speed) { + fep->speed = phy_dev->speed; + status_change = 1; + } + ++ if (fep->pause_flag & FEC_PAUSE_FLAG_AUTONEG) { ++ u32 lcl_adv = phy_dev->advertising; ++ u32 rmt_adv = phy_dev->lp_advertising; ++ unsigned mode = 0; ++ ++ if (lcl_adv & rmt_adv & ADVERTISED_Pause) { ++ /* ++ * Local Device Link Partner ++ * Pause AsymDir Pause AsymDir Result ++ * 1 X 1 X TX+RX ++ */ ++ mode = FEC_PAUSE_FLAG_TX | FEC_PAUSE_FLAG_RX; ++ } else if (lcl_adv & rmt_adv & ADVERTISED_Asym_Pause) { ++ /* ++ * 0 1 1 1 RX ++ * 1 1 0 1 TX ++ */ ++ if (rmt_adv & ADVERTISED_Pause) ++ mode = FEC_PAUSE_FLAG_RX; ++ else ++ mode = FEC_PAUSE_FLAG_TX; ++ } ++ ++ if (mode != fep->pause_mode) { ++ fep->pause_mode = mode; ++ status_change = 1; ++ } ++ } ++ + /* if any of the above changed restart the FEC */ +- if (status_change) +- fec_restart(ndev, phy_dev->duplex); ++ if (status_change) { ++ mutex_lock(&fep->mutex); ++ napi_disable(&fep->napi); ++ netif_tx_lock_bh(ndev); ++ fec_restart(ndev); ++ netif_wake_queue(ndev); ++ netif_tx_unlock_bh(ndev); ++ napi_enable(&fep->napi); ++ mutex_unlock(&fep->mutex); ++ } + } else { + if (fep->link) { ++ mutex_lock(&fep->mutex); ++ napi_disable(&fep->napi); ++ netif_tx_lock_bh(ndev); + fec_stop(ndev); ++ netif_tx_unlock_bh(ndev); ++ napi_enable(&fep->napi); ++ mutex_unlock(&fep->mutex); + fep->link = phy_dev->link; + status_change = 1; + } +@@ -1202,23 +1437,35 @@ + phy_print_status(phy_dev); + } + +-static int fec_enet_mdio_read(struct mii_bus *bus, int mii_id, int regnum) ++static unsigned long fec_enet_mdio_op(struct fec_enet_private *fep, ++ unsigned data) + { +- struct fec_enet_private *fep = bus->priv; + unsigned long time_left; + + fep->mii_timeout = 0; + init_completion(&fep->mdio_done); + +- /* start a read op */ +- writel(FEC_MMFR_ST | FEC_MMFR_OP_READ | +- FEC_MMFR_PA(mii_id) | FEC_MMFR_RA(regnum) | +- FEC_MMFR_TA, fep->hwp + FEC_MII_DATA); ++ mutex_lock(&fep->mutex); ++ ++ /* start operation */ ++ writel(data, fep->hwp + FEC_MII_DATA); + + /* wait for end of transfer */ + time_left = wait_for_completion_timeout(&fep->mdio_done, + usecs_to_jiffies(FEC_MII_TIMEOUT)); +- if (time_left == 0) { ++ ++ mutex_unlock(&fep->mutex); ++ ++ return time_left; ++} ++ ++static int fec_enet_mdio_read(struct mii_bus *bus, int mii_id, int regnum) ++{ ++ struct fec_enet_private *fep = bus->priv; ++ ++ if (fec_enet_mdio_op(fep, FEC_MMFR_ST | FEC_MMFR_OP_READ | ++ FEC_MMFR_PA(mii_id) | FEC_MMFR_RA(regnum) | ++ FEC_MMFR_TA) == 0) { + fep->mii_timeout = 1; + netdev_err(fep->netdev, "MDIO read timeout\n"); + return -ETIMEDOUT; +@@ -1232,21 +1479,10 @@ + u16 value) + { + struct fec_enet_private *fep = bus->priv; +- unsigned long time_left; +- +- fep->mii_timeout = 0; +- init_completion(&fep->mdio_done); +- +- /* start a write op */ +- writel(FEC_MMFR_ST | FEC_MMFR_OP_WRITE | +- FEC_MMFR_PA(mii_id) | FEC_MMFR_RA(regnum) | +- FEC_MMFR_TA | FEC_MMFR_DATA(value), +- fep->hwp + FEC_MII_DATA); + +- /* wait for end of transfer */ +- time_left = wait_for_completion_timeout(&fep->mdio_done, +- usecs_to_jiffies(FEC_MII_TIMEOUT)); +- if (time_left == 0) { ++ if (fec_enet_mdio_op(fep, FEC_MMFR_ST | FEC_MMFR_OP_WRITE | ++ FEC_MMFR_PA(mii_id) | FEC_MMFR_RA(regnum) | ++ FEC_MMFR_TA | FEC_MMFR_DATA(value)) == 0) { + fep->mii_timeout = 1; + netdev_err(fep->netdev, "MDIO write timeout\n"); + return -ETIMEDOUT; +@@ -1255,11 +1491,37 @@ + return 0; + } + ++static void fec_enet_phy_config(struct net_device *ndev) ++{ ++#ifndef CONFIG_M5272 ++ struct fec_enet_private *fep = netdev_priv(ndev); ++ struct phy_device *phy = fep->phy_dev; ++ unsigned pause = 0; ++ ++ /* ++ * Pause advertisment logic is weird. We don't advertise the raw ++ * "can tx" and "can rx" modes, but instead it is whether we support ++ * symmetric flow or asymmetric flow. ++ * ++ * Symmetric flow means we can only support both transmit and receive ++ * flow control frames together. Asymmetric flow means we can ++ * independently control each. Note that there is no bit encoding ++ * for "I can only receive flow control frames." ++ */ ++ if (fep->pause_flag & FEC_PAUSE_FLAG_RX) ++ pause |= ADVERTISED_Asym_Pause | ADVERTISED_Pause; ++ if (fep->pause_flag & FEC_PAUSE_FLAG_TX) ++ pause |= ADVERTISED_Asym_Pause; ++ ++ pause &= phy->supported; ++ pause |= phy->advertising & ~(ADVERTISED_Pause | ADVERTISED_Asym_Pause); ++ phy->advertising = pause; ++#endif ++} ++ + static int fec_enet_mii_probe(struct net_device *ndev) + { + struct fec_enet_private *fep = netdev_priv(ndev); +- const struct platform_device_id *id_entry = +- platform_get_device_id(fep->pdev); + struct phy_device *phy_dev = NULL; + char mdio_bus_id[MII_BUS_ID_SIZE]; + char phy_name[MII_BUS_ID_SIZE + 3]; +@@ -1297,10 +1559,11 @@ + } + + /* mask with MAC supported features */ +- if (id_entry->driver_data & FEC_QUIRK_HAS_GBIT) { ++ if (fep->quirks & FEC_QUIRK_HAS_GBIT) { + phy_dev->supported &= PHY_GBIT_FEATURES; ++ phy_dev->supported &= ~SUPPORTED_1000baseT_Half; + #if !defined(CONFIG_M5272) +- phy_dev->supported |= SUPPORTED_Pause; ++ phy_dev->supported |= SUPPORTED_Pause | SUPPORTED_Asym_Pause; + #endif + } + else +@@ -1312,6 +1575,8 @@ + fep->link = 0; + fep->full_duplex = 0; + ++ fec_enet_phy_config(ndev); ++ + netdev_info(ndev, "Freescale FEC PHY driver [%s] (mii_bus:phy_addr=%s, irq=%d)\n", + fep->phy_dev->drv->name, dev_name(&fep->phy_dev->dev), + fep->phy_dev->irq); +@@ -1324,8 +1589,6 @@ + static struct mii_bus *fec0_mii_bus; + struct net_device *ndev = platform_get_drvdata(pdev); + struct fec_enet_private *fep = netdev_priv(ndev); +- const struct platform_device_id *id_entry = +- platform_get_device_id(fep->pdev); + int err = -ENXIO, i; + + /* +@@ -1344,7 +1607,7 @@ + * mdio interface in board design, and need to be configured by + * fec0 mii_bus. + */ +- if ((id_entry->driver_data & FEC_QUIRK_ENET_MAC) && fep->dev_id > 0) { ++ if ((fep->quirks & FEC_QUIRK_ENET_MAC) && fep->dev_id > 0) { + /* fec1 uses fec0 mii_bus */ + if (mii_cnt && fec0_mii_bus) { + fep->mii_bus = fec0_mii_bus; +@@ -1365,7 +1628,7 @@ + * document. + */ + fep->phy_speed = DIV_ROUND_UP(clk_get_rate(fep->clk_ahb), 5000000); +- if (id_entry->driver_data & FEC_QUIRK_ENET_MAC) ++ if (fep->quirks & FEC_QUIRK_ENET_MAC) + fep->phy_speed--; + fep->phy_speed <<= 1; + writel(fep->phy_speed, fep->hwp + FEC_MII_SPEED); +@@ -1399,7 +1662,7 @@ + mii_cnt++; + + /* save fec0 mii_bus */ +- if (id_entry->driver_data & FEC_QUIRK_ENET_MAC) ++ if (fep->quirks & FEC_QUIRK_ENET_MAC) + fec0_mii_bus = fep->mii_bus; + + return 0; +@@ -1461,7 +1724,7 @@ + { + struct fec_enet_private *fep = netdev_priv(ndev); + +- if (fep->bufdesc_ex) { ++ if (fep->flags & FEC_FLAG_BUFDESC_EX) { + + info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE | + SOF_TIMESTAMPING_RX_SOFTWARE | +@@ -1485,6 +1748,51 @@ + } + } + ++static void fec_enet_get_ringparam(struct net_device *ndev, ++ struct ethtool_ringparam *ring) ++{ ++ struct fec_enet_private *fep = netdev_priv(ndev); ++ ++ ring->rx_max_pending = RX_RING_SIZE; ++ ring->tx_max_pending = TX_RING_SIZE; ++ ring->rx_pending = fep->rx_ring_size; ++ ring->tx_pending = fep->tx_ring_size; ++} ++ ++static int fec_enet_set_ringparam(struct net_device *ndev, ++ struct ethtool_ringparam *ring) ++{ ++ struct fec_enet_private *fep = netdev_priv(ndev); ++ unsigned rx, tx, tx_min; ++ ++ tx_min = ndev->features & NETIF_F_SG ? TX_RING_SIZE_MIN_SG : 16; ++ ++ rx = clamp_t(u32, ring->rx_pending, 16, RX_RING_SIZE); ++ tx = clamp_t(u32, ring->tx_pending, tx_min, TX_RING_SIZE); ++ ++ if (tx == fep->tx_ring_size && rx == fep->rx_ring_size) ++ return 0; ++ ++ /* Setting the ring size while the interface is down is easy */ ++ if (!netif_running(ndev)) { ++ fep->tx_ring_size = tx; ++ fep->rx_ring_size = rx; ++ } else { ++ return -EINVAL; ++ ++ napi_disable(&fep->napi); ++ netif_tx_lock_bh(ndev); ++ fec_stop(ndev); ++ /* reallocate ring */ ++ fec_restart(ndev); ++ netif_wake_queue(ndev); ++ netif_tx_unlock_bh(ndev); ++ napi_enable(&fep->napi); ++ } ++ ++ return 0; ++} ++ + #if !defined(CONFIG_M5272) + + static void fec_enet_get_pauseparam(struct net_device *ndev, +@@ -1493,42 +1801,81 @@ + struct fec_enet_private *fep = netdev_priv(ndev); + + pause->autoneg = (fep->pause_flag & FEC_PAUSE_FLAG_AUTONEG) != 0; +- pause->tx_pause = (fep->pause_flag & FEC_PAUSE_FLAG_ENABLE) != 0; +- pause->rx_pause = pause->tx_pause; ++ pause->rx_pause = (fep->pause_flag & FEC_PAUSE_FLAG_RX) != 0; ++ pause->tx_pause = (fep->pause_flag & FEC_PAUSE_FLAG_TX) != 0; + } + + static int fec_enet_set_pauseparam(struct net_device *ndev, + struct ethtool_pauseparam *pause) + { + struct fec_enet_private *fep = netdev_priv(ndev); ++ unsigned pause_flag, changed; ++ struct phy_device *phy = fep->phy_dev; + +- if (pause->tx_pause != pause->rx_pause) { +- netdev_info(ndev, +- "hardware only support enable/disable both tx and rx"); ++ if (!phy) ++ return -ENODEV; ++ if (!(phy->supported & SUPPORTED_Pause)) ++ return -EINVAL; ++ if (!(phy->supported & SUPPORTED_Asym_Pause) && ++ pause->rx_pause != pause->tx_pause) + return -EINVAL; +- } + +- fep->pause_flag = 0; ++ pause_flag = 0; ++ if (pause->autoneg) ++ pause_flag |= FEC_PAUSE_FLAG_AUTONEG; ++ if (pause->rx_pause) ++ pause_flag |= FEC_PAUSE_FLAG_RX; ++ if (pause->tx_pause) ++ pause_flag |= FEC_PAUSE_FLAG_TX; ++ ++ changed = fep->pause_flag ^ pause_flag; ++ fep->pause_flag = pause_flag; ++ ++ /* configure the phy advertisment according to our new options */ ++ fec_enet_phy_config(ndev); ++ ++ if (changed) { ++ if (pause_flag & FEC_PAUSE_FLAG_AUTONEG) { ++ if (netif_running(ndev)) ++ phy_start_aneg(fep->phy_dev); ++ } else { ++ int adv, old_adv; + +- /* tx pause must be same as rx pause */ +- fep->pause_flag |= pause->rx_pause ? FEC_PAUSE_FLAG_ENABLE : 0; +- fep->pause_flag |= pause->autoneg ? FEC_PAUSE_FLAG_AUTONEG : 0; +- +- if (pause->rx_pause || pause->autoneg) { +- fep->phy_dev->supported |= ADVERTISED_Pause; +- fep->phy_dev->advertising |= ADVERTISED_Pause; +- } else { +- fep->phy_dev->supported &= ~ADVERTISED_Pause; +- fep->phy_dev->advertising &= ~ADVERTISED_Pause; +- } ++ /* ++ * Even if we are not in autonegotiate mode, we ++ * still update the phy with our capabilities so ++ * our link parter can make the appropriate ++ * decision. PHYLIB provides no way to do this. ++ */ ++ adv = phy_read(phy, MII_ADVERTISE); ++ if (adv >= 0) { ++ old_adv = adv; ++ adv &= ~(ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM); ++ if (phy->advertising & ADVERTISED_Pause) ++ adv |= ADVERTISE_PAUSE_CAP; ++ if (phy->advertising & ADVERTISED_Asym_Pause) ++ adv |= ADVERTISE_PAUSE_ASYM; + +- if (pause->autoneg) { +- if (netif_running(ndev)) +- fec_stop(ndev); +- phy_start_aneg(fep->phy_dev); ++ if (old_adv != adv) ++ phy_write(phy, MII_ADVERTISE, adv); ++ } ++ ++ /* Forced pause mode */ ++ fep->pause_mode = fep->pause_flag; ++ ++ if (netif_running(ndev)) { ++ mutex_lock(&fep->mutex); ++ napi_disable(&fep->napi); ++ netif_tx_lock_bh(ndev); ++ fec_stop(ndev); ++ fec_restart(ndev); ++ netif_wake_queue(ndev); ++ netif_tx_unlock_bh(ndev); ++ napi_enable(&fep->napi); ++ mutex_unlock(&fep->mutex); ++ } ++ } + } +- if (netif_running(ndev)) +- fec_restart(ndev, 0); + + return 0; + } +@@ -1645,21 +1992,21 @@ + } + + static const struct ethtool_ops fec_enet_ethtool_ops = { +-#if !defined(CONFIG_M5272) +- .get_pauseparam = fec_enet_get_pauseparam, +- .set_pauseparam = fec_enet_set_pauseparam, +-#endif + .get_settings = fec_enet_get_settings, + .set_settings = fec_enet_set_settings, + .get_drvinfo = fec_enet_get_drvinfo, +- .get_link = ethtool_op_get_link, +- .get_ts_info = fec_enet_get_ts_info, + .nway_reset = fec_enet_nway_reset, ++ .get_link = ethtool_op_get_link, ++ .get_ringparam = fec_enet_get_ringparam, ++ .set_ringparam = fec_enet_set_ringparam, + #ifndef CONFIG_M5272 +- .get_ethtool_stats = fec_enet_get_ethtool_stats, ++ .get_pauseparam = fec_enet_get_pauseparam, ++ .set_pauseparam = fec_enet_set_pauseparam, + .get_strings = fec_enet_get_strings, ++ .get_ethtool_stats = fec_enet_get_ethtool_stats, + .get_sset_count = fec_enet_get_sset_count, + #endif ++ .get_ts_info = fec_enet_get_ts_info, + }; + + static int fec_enet_ioctl(struct net_device *ndev, struct ifreq *rq, int cmd) +@@ -1673,7 +2020,7 @@ + if (!phydev) + return -ENODEV; + +- if (fep->bufdesc_ex) { ++ if (fep->flags & FEC_FLAG_BUFDESC_EX) { + if (cmd == SIOCSHWTSTAMP) + return fec_ptp_set(ndev, rq); + if (cmd == SIOCGHWTSTAMP) +@@ -1688,23 +2035,33 @@ + struct fec_enet_private *fep = netdev_priv(ndev); + unsigned int i; + struct sk_buff *skb; +- struct bufdesc *bdp; ++ union bufdesc_u *bdp; + +- bdp = fep->rx_bd_base; + for (i = 0; i < fep->rx_ring_size; i++) { +- skb = fep->rx_skbuff[i]; ++ bdp = fec_enet_rx_get(i, fep); + +- if (bdp->cbd_bufaddr) +- dma_unmap_single(&fep->pdev->dev, bdp->cbd_bufaddr, ++ skb = fep->rx_skbuff[i]; ++ fep->rx_skbuff[i] = NULL; ++ if (skb) { ++ dma_unmap_single(&fep->pdev->dev, bdp->bd.cbd_bufaddr, + FEC_ENET_RX_FRSIZE, DMA_FROM_DEVICE); +- if (skb) + dev_kfree_skb(skb); +- bdp = fec_enet_get_nextdesc(bdp, fep); ++ } + } + +- bdp = fep->tx_bd_base; +- for (i = 0; i < fep->tx_ring_size; i++) ++ for (i = 0; i < fep->tx_ring_size; i++) { ++ bdp = fec_enet_tx_get(i, fep); ++ if (bdp->bd.cbd_bufaddr) ++ fec_enet_tx_unmap(i, bdp, fep); + kfree(fep->tx_bounce[i]); ++ fep->tx_bounce[i] = NULL; ++ skb = fep->tx_skbuff[i]; ++ fep->tx_skbuff[i] = NULL; ++ if (skb) ++ dev_kfree_skb(skb); ++ } ++ ++ dma_free_coherent(NULL, PAGE_SIZE, fep->rx_bd_base, fep->rx_bd_dma); + } + + static int fec_enet_alloc_buffers(struct net_device *ndev) +@@ -1712,59 +2069,82 @@ + struct fec_enet_private *fep = netdev_priv(ndev); + unsigned int i; + struct sk_buff *skb; +- struct bufdesc *bdp; ++ union bufdesc_u *bdp; ++ union bufdesc_u *rx_cbd_cpu, *tx_cbd_cpu; ++ dma_addr_t rx_cbd_dma, tx_cbd_dma; ++ ++ /* Allocate memory for buffer descriptors. */ ++ rx_cbd_cpu = dma_alloc_coherent(NULL, PAGE_SIZE, &rx_cbd_dma, ++ GFP_KERNEL); ++ tx_cbd_cpu = dma_alloc_coherent(NULL, PAGE_SIZE, &tx_cbd_dma, ++ GFP_KERNEL); ++ if (!rx_cbd_cpu || !tx_cbd_cpu) { ++ if (rx_cbd_cpu) ++ dma_free_coherent(NULL, PAGE_SIZE, rx_cbd_cpu, rx_cbd_dma); ++ if (tx_cbd_cpu) ++ dma_free_coherent(NULL, PAGE_SIZE, tx_cbd_cpu, tx_cbd_dma); ++ return -ENOMEM; ++ } ++ ++ memset(rx_cbd_cpu, 0, PAGE_SIZE); ++ memset(tx_cbd_cpu, 0, PAGE_SIZE); ++ ++ /* Set receive and transmit descriptor base. */ ++ fep->rx_bd_base = rx_cbd_cpu; ++ fep->rx_bd_dma = rx_cbd_dma; ++ fep->tx_bd_base = tx_cbd_cpu; ++ fep->tx_bd_dma = tx_cbd_dma; + +- bdp = fep->rx_bd_base; + for (i = 0; i < fep->rx_ring_size; i++) { ++ dma_addr_t addr; ++ + skb = netdev_alloc_skb(ndev, FEC_ENET_RX_FRSIZE); +- if (!skb) { +- fec_enet_free_buffers(ndev); +- return -ENOMEM; +- } +- fep->rx_skbuff[i] = skb; ++ if (!skb) ++ goto err_alloc; + +- bdp->cbd_bufaddr = dma_map_single(&fep->pdev->dev, skb->data, ++ addr = dma_map_single(&fep->pdev->dev, skb->data, + FEC_ENET_RX_FRSIZE, DMA_FROM_DEVICE); +- if (dma_mapping_error(&fep->pdev->dev, bdp->cbd_bufaddr)) { +- fec_enet_free_buffers(ndev); ++ if (dma_mapping_error(&fep->pdev->dev, addr)) { ++ dev_kfree_skb(skb); + if (net_ratelimit()) + netdev_err(ndev, "Rx DMA memory map failed\n"); +- return -ENOMEM; ++ goto err_alloc; + } +- bdp->cbd_sc = BD_ENET_RX_EMPTY; + +- if (fep->bufdesc_ex) { +- struct bufdesc_ex *ebdp = (struct bufdesc_ex *)bdp; +- ebdp->cbd_esc = BD_ENET_RX_INT; +- } ++ fep->rx_skbuff[i] = skb; ++ bdp = fec_enet_rx_get(i, fep); ++ bdp->bd.cbd_bufaddr = addr; ++ bdp->bd.cbd_sc = BD_ENET_RX_EMPTY; ++ /* Set the last buffer to wrap. */ ++ if (i == fep->rx_ring_size - 1) ++ bdp->bd.cbd_sc |= BD_SC_WRAP; + +- bdp = fec_enet_get_nextdesc(bdp, fep); ++ if (fep->flags & FEC_FLAG_BUFDESC_EX) ++ bdp->ebd.cbd_esc = BD_ENET_RX_INT; + } + +- /* Set the last buffer to wrap. */ +- bdp = fec_enet_get_prevdesc(bdp, fep); +- bdp->cbd_sc |= BD_SC_WRAP; +- +- bdp = fep->tx_bd_base; + for (i = 0; i < fep->tx_ring_size; i++) { ++ bdp = fec_enet_tx_get(i, fep); + fep->tx_bounce[i] = kmalloc(FEC_ENET_TX_FRSIZE, GFP_KERNEL); ++ if (!fep->tx_bounce[i]) ++ goto err_alloc; + +- bdp->cbd_sc = 0; +- bdp->cbd_bufaddr = 0; +- +- if (fep->bufdesc_ex) { +- struct bufdesc_ex *ebdp = (struct bufdesc_ex *)bdp; +- ebdp->cbd_esc = BD_ENET_TX_INT; +- } ++ /* Set the last buffer to wrap. */ ++ if (i == fep->tx_ring_size - 1) ++ bdp->bd.cbd_sc = BD_SC_WRAP; ++ else ++ bdp->bd.cbd_sc = 0; ++ bdp->bd.cbd_bufaddr = 0; + +- bdp = fec_enet_get_nextdesc(bdp, fep); ++ if (fep->flags & FEC_FLAG_BUFDESC_EX) ++ bdp->ebd.cbd_esc = BD_ENET_TX_INT; + } + +- /* Set the last buffer to wrap. */ +- bdp = fec_enet_get_prevdesc(bdp, fep); +- bdp->cbd_sc |= BD_SC_WRAP; +- + return 0; ++ ++ err_alloc: ++ fec_enet_free_buffers(ndev); ++ return -ENOMEM; + } + + static int +@@ -1788,10 +2168,12 @@ + return ret; + } + ++ mutex_lock(&fep->mutex); ++ fec_restart(ndev); ++ mutex_unlock(&fep->mutex); + napi_enable(&fep->napi); + phy_start(fep->phy_dev); + netif_start_queue(ndev); +- fep->opened = 1; + return 0; + } + +@@ -1800,17 +2182,19 @@ + { + struct fec_enet_private *fep = netdev_priv(ndev); + +- /* Don't know what to do yet. */ +- napi_disable(&fep->napi); +- fep->opened = 0; +- netif_stop_queue(ndev); +- fec_stop(ndev); ++ phy_stop(fep->phy_dev); + +- if (fep->phy_dev) { +- phy_stop(fep->phy_dev); +- phy_disconnect(fep->phy_dev); ++ if (netif_device_present(ndev)) { ++ napi_disable(&fep->napi); ++ netif_tx_disable(ndev); ++ mutex_lock(&fep->mutex); ++ fec_stop(ndev); ++ mutex_unlock(&fep->mutex); + } + ++ phy_disconnect(fep->phy_dev); ++ fep->phy_dev = NULL; ++ + fec_enet_free_buffers(ndev); + + return 0; +@@ -1935,28 +2319,67 @@ + } + #endif + ++static netdev_features_t fec_fix_features(struct net_device *ndev, ++ netdev_features_t features) ++{ ++ struct fec_enet_private *fep = netdev_priv(ndev); ++ ++ /* ++ * NETIF_F_SG requires a minimum transmit ring size. If we ++ * have less than this size, we can't support this feature. ++ */ ++ if (fep->tx_ring_size < TX_RING_SIZE_MIN_SG) ++ features &= ~NETIF_F_SG; ++ ++ return features; ++} ++ ++#define FEATURES_NEED_QUIESCE (NETIF_F_RXCSUM | NETIF_F_SG) ++ + static int fec_set_features(struct net_device *netdev, + netdev_features_t features) + { + struct fec_enet_private *fep = netdev_priv(netdev); + netdev_features_t changed = features ^ netdev->features; + ++ /* Quiesce the device if necessary */ ++ if (netif_running(netdev) && changed & FEATURES_NEED_QUIESCE) { ++ mutex_lock(&fep->mutex); ++ napi_disable(&fep->napi); ++ netif_tx_lock_bh(netdev); ++ fec_stop(netdev); ++ } ++ + netdev->features = features; + + /* Receive checksum has been changed */ + if (changed & NETIF_F_RXCSUM) { + if (features & NETIF_F_RXCSUM) +- fep->csum_flags |= FLAG_RX_CSUM_ENABLED; ++ fep->flags |= FEC_FLAG_RX_CSUM; + else +- fep->csum_flags &= ~FLAG_RX_CSUM_ENABLED; ++ fep->flags &= ~FEC_FLAG_RX_CSUM; ++ } + +- if (netif_running(netdev)) { +- fec_stop(netdev); +- fec_restart(netdev, fep->phy_dev->duplex); +- netif_wake_queue(netdev); +- } else { +- fec_restart(netdev, fep->phy_dev->duplex); +- } ++ if (changed & NETIF_F_HW_VLAN_CTAG_RX) { ++ if (features & NETIF_F_HW_VLAN_CTAG_RX) ++ fep->flags |= FEC_FLAG_RX_VLAN; ++ else ++ fep->flags &= ~FEC_FLAG_RX_VLAN; ++ } ++ ++ /* Set the appropriate minimum transmit ring free threshold */ ++ if (features & NETIF_F_SG) ++ fep->tx_min = MAX_SKB_FRAGS + 1; ++ else ++ fep->tx_min = 1; ++ ++ /* Resume the device after updates */ ++ if (netif_running(netdev) && changed & FEATURES_NEED_QUIESCE) { ++ fec_restart(netdev); ++ netif_wake_queue(netdev); ++ netif_tx_unlock_bh(netdev); ++ napi_enable(&fep->napi); ++ mutex_unlock(&fep->mutex); + } + + return 0; +@@ -1975,27 +2398,13 @@ + #ifdef CONFIG_NET_POLL_CONTROLLER + .ndo_poll_controller = fec_poll_controller, + #endif ++ .ndo_fix_features = fec_fix_features, + .ndo_set_features = fec_set_features, + }; + +- /* +- * XXX: We need to clean up on failure exits here. +- * +- */ +-static int fec_enet_init(struct net_device *ndev) ++static void fec_enet_init(struct net_device *ndev) + { + struct fec_enet_private *fep = netdev_priv(ndev); +- const struct platform_device_id *id_entry = +- platform_get_device_id(fep->pdev); +- struct bufdesc *cbd_base; +- +- /* Allocate memory for buffer descriptors. */ +- cbd_base = dma_alloc_coherent(NULL, PAGE_SIZE, &fep->bd_dma, +- GFP_KERNEL); +- if (!cbd_base) +- return -ENOMEM; +- +- memset(cbd_base, 0, PAGE_SIZE); + + fep->netdev = ndev; + +@@ -2008,13 +2417,8 @@ + fep->tx_ring_size = TX_RING_SIZE; + fep->rx_ring_size = RX_RING_SIZE; + +- /* Set receive and transmit descriptor base. */ +- fep->rx_bd_base = cbd_base; +- if (fep->bufdesc_ex) +- fep->tx_bd_base = (struct bufdesc *) +- (((struct bufdesc_ex *)cbd_base) + fep->rx_ring_size); +- else +- fep->tx_bd_base = cbd_base + fep->rx_ring_size; ++ fep->rx_bd_base = fep->tx_bd_base = NULL; ++ fep->rx_bd_dma = fep->tx_bd_dma = 0; + + /* The FEC Ethernet specific entries in the device structure */ + ndev->watchdog_timeo = TX_TIMEOUT; +@@ -2024,24 +2428,37 @@ + writel(FEC_RX_DISABLED_IMASK, fep->hwp + FEC_IMASK); + netif_napi_add(ndev, &fep->napi, fec_enet_rx_napi, NAPI_POLL_WEIGHT); + +- if (id_entry->driver_data & FEC_QUIRK_HAS_VLAN) { +- /* enable hw VLAN support */ +- ndev->features |= NETIF_F_HW_VLAN_CTAG_RX; +- ndev->hw_features |= NETIF_F_HW_VLAN_CTAG_RX; +- } +- +- if (id_entry->driver_data & FEC_QUIRK_HAS_CSUM) { +- /* enable hw accelerator */ +- ndev->features |= (NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM +- | NETIF_F_RXCSUM); +- ndev->hw_features |= (NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM +- | NETIF_F_RXCSUM); +- fep->csum_flags |= FLAG_RX_CSUM_ENABLED; ++ if (fep->flags & FEC_FLAG_BUFDESC_EX) { ++ /* Features which require the enhanced buffer descriptors */ ++ if (fep->quirks & FEC_QUIRK_HAS_VLAN) { ++ /* enable hw VLAN support */ ++ ndev->features |= NETIF_F_HW_VLAN_CTAG_RX; ++ ndev->hw_features |= NETIF_F_HW_VLAN_CTAG_RX; ++ fep->flags |= FEC_FLAG_RX_VLAN; ++ } ++ ++ if (fep->quirks & FEC_QUIRK_HAS_CSUM) { ++ /* enable hw accelerator */ ++ ndev->features |= (NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM ++ | NETIF_F_RXCSUM); ++ ndev->hw_features |= (NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM ++ | NETIF_F_RXCSUM); ++ fep->flags |= FEC_FLAG_RX_CSUM; ++ } + } + +- fec_restart(ndev, 0); ++ if (!(fep->quirks & FEC_QUIRK_SWAP_FRAME)) { ++ /* don't enable SG if we need to swap frames */ ++ ndev->features |= NETIF_F_SG; ++ ndev->hw_features |= NETIF_F_SG; ++ } + +- return 0; ++ if (ndev->features & NETIF_F_SG) ++ fep->tx_min = MAX_SKB_FRAGS + 1; ++ else ++ fep->tx_min = 1; ++ ++ fec_restart(ndev); + } + + #ifdef CONFIG_OF +@@ -2107,11 +2524,16 @@ + /* setup board info structure */ + fep = netdev_priv(ndev); + ++ mutex_init(&fep->mutex); ++ ++ if (pdev->id_entry) ++ fep->quirks = pdev->id_entry->driver_data; + #if !defined(CONFIG_M5272) + /* default enable pause frame auto negotiation */ +- if (pdev->id_entry && +- (pdev->id_entry->driver_data & FEC_QUIRK_HAS_GBIT)) +- fep->pause_flag |= FEC_PAUSE_FLAG_AUTONEG; ++ if (fep->quirks & FEC_QUIRK_HAS_GBIT) ++ fep->pause_flag |= FEC_PAUSE_FLAG_AUTONEG | ++ FEC_PAUSE_FLAG_TX | ++ FEC_PAUSE_FLAG_RX; + #endif + + r = platform_get_resource(pdev, IORESOURCE_MEM, 0); +@@ -2124,7 +2546,9 @@ + fep->pdev = pdev; + fep->dev_id = dev_id++; + +- fep->bufdesc_ex = 0; ++ fep->flags = 0; ++ if (pdev->id_entry->driver_data & FEC_QUIRK_HAS_BUFDESC_EX) ++ fep->flags |= FEC_FLAG_BUFDESC_EX; + + platform_set_drvdata(pdev, ndev); + +@@ -2157,11 +2581,9 @@ + fep->clk_enet_out = NULL; + + fep->clk_ptp = devm_clk_get(&pdev->dev, "ptp"); +- fep->bufdesc_ex = +- pdev->id_entry->driver_data & FEC_QUIRK_HAS_BUFDESC_EX; + if (IS_ERR(fep->clk_ptp)) { + fep->clk_ptp = NULL; +- fep->bufdesc_ex = 0; ++ fep->flags &= ~FEC_FLAG_BUFDESC_EX; + } + + ret = clk_prepare_enable(fep->clk_ahb); +@@ -2198,12 +2620,10 @@ + + fec_reset_phy(pdev); + +- if (fep->bufdesc_ex) ++ if (fep->flags & FEC_FLAG_BUFDESC_EX) + fec_ptp_init(pdev); + +- ret = fec_enet_init(ndev); +- if (ret) +- goto failed_init; ++ fec_enet_init(ndev); + + for (i = 0; i < FEC_IRQ_NUM; i++) { + irq = platform_get_irq(pdev, i); +@@ -2230,17 +2650,16 @@ + if (ret) + goto failed_register; + +- if (fep->bufdesc_ex && fep->ptp_clock) ++ if (fep->flags & FEC_FLAG_BUFDESC_EX && fep->ptp_clock) + netdev_info(ndev, "registered PHC device %d\n", fep->dev_id); + +- INIT_DELAYED_WORK(&(fep->delay_work.delay_work), fec_enet_work); ++ INIT_WORK(&fep->tx_timeout_work, fec_enet_timeout_work); + return 0; + + failed_register: + fec_enet_mii_remove(fep); + failed_mii_init: + failed_irq: +-failed_init: + if (fep->reg_phy) + regulator_disable(fep->reg_phy); + failed_regulator: +@@ -2266,7 +2685,7 @@ + struct net_device *ndev = platform_get_drvdata(pdev); + struct fec_enet_private *fep = netdev_priv(ndev); + +- cancel_delayed_work_sync(&(fep->delay_work.delay_work)); ++ cancel_work_sync(&fep->tx_timeout_work); + unregister_netdev(ndev); + fec_enet_mii_remove(fep); + del_timer_sync(&fep->time_keep); +@@ -2292,10 +2711,19 @@ + struct net_device *ndev = dev_get_drvdata(dev); + struct fec_enet_private *fep = netdev_priv(ndev); + ++ rtnl_lock(); + if (netif_running(ndev)) { +- fec_stop(ndev); ++ phy_stop(fep->phy_dev); ++ napi_disable(&fep->napi); ++ netif_tx_lock_bh(ndev); + netif_device_detach(ndev); ++ netif_tx_unlock_bh(ndev); ++ mutex_lock(&fep->mutex); ++ fec_stop(ndev); ++ mutex_unlock(&fep->mutex); + } ++ rtnl_unlock(); ++ + if (fep->clk_ptp) + clk_disable_unprepare(fep->clk_ptp); + if (fep->clk_enet_out) +@@ -2342,10 +2770,18 @@ + goto failed_clk_ptp; + } + ++ rtnl_lock(); + if (netif_running(ndev)) { +- fec_restart(ndev, fep->full_duplex); ++ mutex_lock(&fep->mutex); ++ fec_restart(ndev); ++ mutex_unlock(&fep->mutex); ++ netif_tx_lock_bh(ndev); + netif_device_attach(ndev); ++ netif_tx_unlock_bh(ndev); ++ napi_enable(&fep->napi); ++ phy_start(fep->phy_dev); + } ++ rtnl_unlock(); + + return 0; + +diff -Nur linux-3.15-rc6.orig/drivers/regulator/anatop-regulator.c linux-3.15-rc6/drivers/regulator/anatop-regulator.c +--- linux-3.15-rc6.orig/drivers/regulator/anatop-regulator.c 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/drivers/regulator/anatop-regulator.c 2014-05-23 11:26:48.312940058 +0200 +@@ -267,6 +267,7 @@ + config.driver_data = sreg; + config.of_node = pdev->dev.of_node; + config.regmap = sreg->anatop; ++ config.ena_gpio = -EINVAL; + + /* Only core regulators have the ramp up delay configuration. */ + if (sreg->control_reg && sreg->delay_bit_width) { +diff -Nur linux-3.15-rc6.orig/drivers/regulator/core.c linux-3.15-rc6/drivers/regulator/core.c +--- linux-3.15-rc6.orig/drivers/regulator/core.c 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/drivers/regulator/core.c 2014-05-23 11:26:48.312940058 +0200 +@@ -3459,7 +3459,7 @@ + + dev_set_drvdata(&rdev->dev, rdev); + +- if (config->ena_gpio && gpio_is_valid(config->ena_gpio)) { ++ if (gpio_is_valid(config->ena_gpio)) { + ret = regulator_ena_gpio_request(rdev, config); + if (ret != 0) { + rdev_err(rdev, "Failed to request enable GPIO%d: %d\n", +diff -Nur linux-3.15-rc6.orig/drivers/regulator/dummy.c linux-3.15-rc6/drivers/regulator/dummy.c +--- linux-3.15-rc6.orig/drivers/regulator/dummy.c 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/drivers/regulator/dummy.c 2014-05-23 11:26:48.312940058 +0200 +@@ -48,6 +48,7 @@ + + config.dev = &pdev->dev; + config.init_data = &dummy_initdata; ++ config.ena_gpio = -EINVAL; + + dummy_regulator_rdev = regulator_register(&dummy_desc, &config); + if (IS_ERR(dummy_regulator_rdev)) { +diff -Nur linux-3.15-rc6.orig/drivers/regulator/fixed.c linux-3.15-rc6/drivers/regulator/fixed.c +--- linux-3.15-rc6.orig/drivers/regulator/fixed.c 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/drivers/regulator/fixed.c 2014-05-23 11:26:48.312940058 +0200 +@@ -161,9 +161,7 @@ + drvdata->desc.n_voltages = 1; + + drvdata->desc.fixed_uV = config->microvolts; +- +- if (config->gpio >= 0) +- cfg.ena_gpio = config->gpio; ++ cfg.ena_gpio = config->gpio; + cfg.ena_gpio_invert = !config->enable_high; + if (config->enabled_at_boot) { + if (config->enable_high) +diff -Nur linux-3.15-rc6.orig/drivers/staging/imx-drm/drm-ddc-connector.c linux-3.15-rc6/drivers/staging/imx-drm/drm-ddc-connector.c +--- linux-3.15-rc6.orig/drivers/staging/imx-drm/drm-ddc-connector.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-3.15-rc6/drivers/staging/imx-drm/drm-ddc-connector.c 2014-05-23 11:26:48.312940058 +0200 +@@ -0,0 +1,92 @@ ++#include ++#include ++#include ++#include ++#include ++ ++#include "drm-ddc-connector.h" ++ ++static enum drm_connector_status ++drm_ddc_connector_detect(struct drm_connector *connector, bool force) ++{ ++ struct drm_ddc_connector *ddc_conn = to_ddc_conn(connector); ++ ++ return ddc_conn->detect ? ddc_conn->detect(connector, force) : ++ connector_status_connected; ++} ++ ++int drm_ddc_connector_get_modes(struct drm_connector *connector) ++{ ++ struct drm_ddc_connector *ddc_conn = to_ddc_conn(connector); ++ struct edid *edid; ++ int ret = 0; ++ ++ if (!ddc_conn->ddc) ++ return 0; ++ ++ edid = drm_get_edid(connector, ddc_conn->ddc); ++ if (edid) { ++ drm_mode_connector_update_edid_property(connector, edid); ++ ret = drm_add_edid_modes(connector, edid); ++ /* Store the ELD */ ++ drm_edid_to_eld(connector, edid); ++ kfree(edid); ++ } ++ ++ return ret; ++} ++EXPORT_SYMBOL_GPL(drm_ddc_connector_get_modes); ++ ++static void drm_ddc_connector_destroy(struct drm_connector *connector) ++{ ++ struct drm_ddc_connector *ddc_conn = to_ddc_conn(connector); ++ ++ drm_sysfs_connector_remove(connector); ++ drm_connector_cleanup(connector); ++ if (ddc_conn->ddc) ++ i2c_put_adapter(ddc_conn->ddc); ++} ++ ++static const struct drm_connector_funcs drm_ddc_connector_funcs = { ++ .dpms = drm_helper_connector_dpms, ++ .fill_modes = drm_helper_probe_single_connector_modes, ++ .detect = drm_ddc_connector_detect, ++ .destroy = drm_ddc_connector_destroy, ++}; ++ ++int drm_ddc_connector_add(struct drm_device *drm, ++ struct drm_ddc_connector *ddc_conn, int connector_type) ++{ ++ drm_connector_init(drm, &ddc_conn->connector, &drm_ddc_connector_funcs, ++ connector_type); ++ return 0; ++} ++EXPORT_SYMBOL_GPL(drm_ddc_connector_add); ++ ++struct drm_ddc_connector *drm_ddc_connector_create(struct drm_device *drm, ++ struct device_node *np, void *private) ++{ ++ struct drm_ddc_connector *ddc_conn; ++ struct device_node *ddc_node; ++ ++ ddc_conn = devm_kzalloc(drm->dev, sizeof(*ddc_conn), GFP_KERNEL); ++ if (!ddc_conn) ++ return ERR_PTR(-ENOMEM); ++ ++ ddc_conn->private = private; ++ ++ ddc_node = of_parse_phandle(np, "ddc-i2c-bus", 0); ++ if (ddc_node) { ++ ddc_conn->ddc = of_find_i2c_adapter_by_node(ddc_node); ++ of_node_put(ddc_node); ++ if (!ddc_conn->ddc) ++ return ERR_PTR(-EPROBE_DEFER); ++ } ++ ++ return ddc_conn; ++} ++EXPORT_SYMBOL_GPL(drm_ddc_connector_create); ++ ++MODULE_AUTHOR("Russell King "); ++MODULE_DESCRIPTION("Generic DRM DDC connector module"); ++MODULE_LICENSE("GPL v2"); +diff -Nur linux-3.15-rc6.orig/drivers/staging/imx-drm/drm-ddc-connector.h linux-3.15-rc6/drivers/staging/imx-drm/drm-ddc-connector.h +--- linux-3.15-rc6.orig/drivers/staging/imx-drm/drm-ddc-connector.h 1970-01-01 01:00:00.000000000 +0100 ++++ linux-3.15-rc6/drivers/staging/imx-drm/drm-ddc-connector.h 2014-05-23 11:26:48.312940058 +0200 +@@ -0,0 +1,26 @@ ++#ifndef DRM_DDC_CONNECTOR_H ++#define DRM_DDC_CONNECTOR_H ++ ++struct drm_ddc_connector { ++ struct i2c_adapter *ddc; ++ struct drm_connector connector; ++ enum drm_connector_status (*detect)(struct drm_connector *, bool); ++ void *private; ++}; ++ ++#define to_ddc_conn(c) container_of(c, struct drm_ddc_connector, connector) ++ ++int drm_ddc_connector_get_modes(struct drm_connector *connector); ++int drm_ddc_connector_add(struct drm_device *drm, ++ struct drm_ddc_connector *ddc_conn, int connector_type); ++struct drm_ddc_connector *drm_ddc_connector_create(struct drm_device *drm, ++ struct device_node *np, void *private); ++ ++static inline void *drm_ddc_private(struct drm_connector *connector) ++{ ++ struct drm_ddc_connector *ddc_conn = to_ddc_conn(connector); ++ ++ return ddc_conn->private; ++} ++ ++#endif +diff -Nur linux-3.15-rc6.orig/drivers/staging/imx-drm/dw-hdmi-audio.c linux-3.15-rc6/drivers/staging/imx-drm/dw-hdmi-audio.c +--- linux-3.15-rc6.orig/drivers/staging/imx-drm/dw-hdmi-audio.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-3.15-rc6/drivers/staging/imx-drm/dw-hdmi-audio.c 2014-05-23 11:26:48.316940071 +0200 +@@ -0,0 +1,654 @@ ++/* ++ * DesignWare HDMI audio driver ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License version 2 as ++ * published by the Free Software Foundation. ++ * ++ * Written and tested against the (alleged) DW HDMI Tx found in iMX6S. ++ */ ++#include ++#include ++#include ++#include ++#include ++ ++#include ++#include ++#include ++#include ++ ++#include "dw-hdmi-audio.h" ++ ++#define DRIVER_NAME "dw-hdmi-audio" ++ ++/* Provide some bits rather than bit offsets */ ++enum { ++ HDMI_AHB_DMA_CONF0_SW_FIFO_RST = BIT(7), ++ HDMI_AHB_DMA_CONF0_EN_HLOCK = BIT(3), ++ HDMI_AHB_DMA_START_START = BIT(0), ++ HDMI_AHB_DMA_STOP_STOP = BIT(0), ++ HDMI_IH_MUTE_AHBDMAAUD_STAT0_ERROR = BIT(5), ++ HDMI_IH_MUTE_AHBDMAAUD_STAT0_LOST = BIT(4), ++ HDMI_IH_MUTE_AHBDMAAUD_STAT0_RETRY = BIT(3), ++ HDMI_IH_MUTE_AHBDMAAUD_STAT0_DONE = BIT(2), ++ HDMI_IH_MUTE_AHBDMAAUD_STAT0_BUFFFULL = BIT(1), ++ HDMI_IH_MUTE_AHBDMAAUD_STAT0_BUFFEMPTY = BIT(0), ++ HDMI_IH_MUTE_AHBDMAAUD_STAT0_ALL = ++ HDMI_IH_MUTE_AHBDMAAUD_STAT0_ERROR | ++ HDMI_IH_MUTE_AHBDMAAUD_STAT0_LOST | ++ HDMI_IH_MUTE_AHBDMAAUD_STAT0_RETRY | ++ HDMI_IH_MUTE_AHBDMAAUD_STAT0_DONE | ++ HDMI_IH_MUTE_AHBDMAAUD_STAT0_BUFFFULL | ++ HDMI_IH_MUTE_AHBDMAAUD_STAT0_BUFFEMPTY, ++ HDMI_IH_AHBDMAAUD_STAT0_ERROR = BIT(5), ++ HDMI_IH_AHBDMAAUD_STAT0_LOST = BIT(4), ++ HDMI_IH_AHBDMAAUD_STAT0_RETRY = BIT(3), ++ HDMI_IH_AHBDMAAUD_STAT0_DONE = BIT(2), ++ HDMI_IH_AHBDMAAUD_STAT0_BUFFFULL = BIT(1), ++ HDMI_IH_AHBDMAAUD_STAT0_BUFFEMPTY = BIT(0), ++ HDMI_IH_AHBDMAAUD_STAT0_ALL = ++ HDMI_IH_AHBDMAAUD_STAT0_ERROR | ++ HDMI_IH_AHBDMAAUD_STAT0_LOST | ++ HDMI_IH_AHBDMAAUD_STAT0_RETRY | ++ HDMI_IH_AHBDMAAUD_STAT0_DONE | ++ HDMI_IH_AHBDMAAUD_STAT0_BUFFFULL | ++ HDMI_IH_AHBDMAAUD_STAT0_BUFFEMPTY, ++ HDMI_AHB_DMA_CONF0_INCR16 = 2 << 1, ++ HDMI_AHB_DMA_CONF0_INCR8 = 1 << 1, ++ HDMI_AHB_DMA_CONF0_INCR4 = 0, ++ HDMI_AHB_DMA_CONF0_BURST_MODE = BIT(0), ++ HDMI_AHB_DMA_MASK_DONE = BIT(7), ++ HDMI_REVISION_ID = 0x0001, ++ HDMI_IH_AHBDMAAUD_STAT0 = 0x0109, ++ HDMI_IH_MUTE_AHBDMAAUD_STAT0 = 0x0189, ++ HDMI_AUD_N1 = 0x3200, ++ HDMI_AUD_CTS1 = 0x3203, ++ HDMI_AHB_DMA_CONF0 = 0x3600, ++ HDMI_AHB_DMA_START = 0x3601, ++ HDMI_AHB_DMA_STOP = 0x3602, ++ HDMI_AHB_DMA_THRSLD = 0x3603, ++ HDMI_AHB_DMA_STRADDR0 = 0x3604, ++ HDMI_AHB_DMA_STPADDR0 = 0x3608, ++ HDMI_AHB_DMA_STAT = 0x3612, ++ HDMI_AHB_DMA_STAT_FULL = BIT(1), ++ HDMI_AHB_DMA_MASK = 0x3614, ++ HDMI_AHB_DMA_POL = 0x3615, ++ HDMI_AHB_DMA_CONF1 = 0x3616, ++ HDMI_AHB_DMA_BUFFPOL = 0x361a, ++}; ++ ++struct snd_dw_hdmi { ++ struct snd_card *card; ++ struct snd_pcm *pcm; ++ struct dw_hdmi_audio_data data; ++ struct snd_pcm_substream *substream; ++ void (*reformat)(struct snd_dw_hdmi *, size_t, size_t); ++ void *buf_src; ++ void *buf_dst; ++ dma_addr_t buf_addr; ++ unsigned buf_offset; ++ unsigned buf_period; ++ unsigned buf_size; ++ unsigned channels; ++ uint8_t revision; ++ uint8_t iec_offset; ++ uint8_t cs[192][8]; ++}; ++ ++static void dw_hdmi_writel(unsigned long val, void __iomem *ptr) ++{ ++ writeb_relaxed(val, ptr); ++ writeb_relaxed(val >> 8, ptr + 1); ++ writeb_relaxed(val >> 16, ptr + 2); ++ writeb_relaxed(val >> 24, ptr + 3); ++} ++ ++/* ++ * Convert to hardware format: The userspace buffer contains IEC958 samples, ++ * with the PCUV bits in bits 31..28 and audio samples in bits 27..4. We ++ * need these to be in bits 27..24, with the IEC B bit in bit 28, and audio ++ * samples in 23..0. ++ * ++ * Default preamble in bits 3..0: 8 = block start, 4 = even 2 = odd ++ * ++ * Ideally, we could do with having the data properly formatted in userspace. ++ */ ++static void dw_hdmi_reformat_iec958(struct snd_dw_hdmi *dw, ++ size_t offset, size_t bytes) ++{ ++ uint32_t *src = dw->buf_src + offset; ++ uint32_t *dst = dw->buf_dst + offset; ++ uint32_t *end = dw->buf_src + offset + bytes; ++ ++ do { ++ uint32_t b, sample = *src++; ++ ++ b = (sample & 8) << (28 - 3); ++ ++ sample >>= 4; ++ ++ *dst++ = sample | b; ++ } while (src < end); ++} ++ ++static uint32_t parity(uint32_t sample) ++{ ++ sample ^= sample >> 16; ++ sample ^= sample >> 8; ++ sample ^= sample >> 4; ++ sample ^= sample >> 2; ++ sample ^= sample >> 1; ++ return (sample & 1) << 27; ++} ++ ++static void dw_hdmi_reformat_s24(struct snd_dw_hdmi *dw, ++ size_t offset, size_t bytes) ++{ ++ uint32_t *src = dw->buf_src + offset; ++ uint32_t *dst = dw->buf_dst + offset; ++ uint32_t *end = dw->buf_src + offset + bytes; ++ ++ do { ++ unsigned i; ++ uint8_t *cs; ++ ++ cs = dw->cs[dw->iec_offset++]; ++ if (dw->iec_offset >= 192) ++ dw->iec_offset = 0; ++ ++ i = dw->channels; ++ do { ++ uint32_t sample = *src++; ++ ++ sample &= ~0xff000000; ++ sample |= *cs++ << 24; ++ sample |= parity(sample & ~0xf8000000); ++ ++ *dst++ = sample; ++ } while (--i); ++ } while (src < end); ++} ++ ++static void dw_hdmi_create_cs(struct snd_dw_hdmi *dw, ++ struct snd_pcm_runtime *runtime) ++{ ++ uint8_t cs[4]; ++ unsigned ch, i, j; ++ ++ cs[0] = IEC958_AES0_CON_NOT_COPYRIGHT | IEC958_AES0_CON_EMPHASIS_NONE; ++ cs[1] = IEC958_AES1_CON_GENERAL; ++ cs[2] = IEC958_AES2_CON_SOURCE_UNSPEC; ++ cs[3] = IEC958_AES3_CON_CLOCK_1000PPM; ++ ++ switch (runtime->rate) { ++ case 32000: ++ cs[3] |= IEC958_AES3_CON_FS_32000; ++ break; ++ case 44100: ++ cs[3] |= IEC958_AES3_CON_FS_44100; ++ break; ++ case 48000: ++ cs[3] |= IEC958_AES3_CON_FS_48000; ++ break; ++ case 88200: ++ cs[3] |= IEC958_AES3_CON_FS_88200; ++ break; ++ case 96000: ++ cs[3] |= IEC958_AES3_CON_FS_96000; ++ break; ++ case 176400: ++ cs[3] |= IEC958_AES3_CON_FS_176400; ++ break; ++ case 192000: ++ cs[3] |= IEC958_AES3_CON_FS_192000; ++ break; ++ } ++ ++ memset(dw->cs, 0, sizeof(dw->cs)); ++ ++ for (ch = 0; ch < 8; ch++) { ++ cs[2] &= ~IEC958_AES2_CON_CHANNEL; ++ cs[2] |= (ch + 1) << 4; ++ ++ for (i = 0; i < ARRAY_SIZE(cs); i++) { ++ unsigned c = cs[i]; ++ ++ for (j = 0; j < 8; j++, c >>= 1) ++ dw->cs[i * 8 + j][ch] = (c & 1) << 2; ++ } ++ } ++ dw->cs[0][0] |= BIT(4); ++} ++ ++static void dw_hdmi_start_dma(struct snd_dw_hdmi *dw) ++{ ++ void __iomem *base = dw->data.base; ++ unsigned offset = dw->buf_offset; ++ unsigned period = dw->buf_period; ++ u32 start, stop; ++ ++ dw->reformat(dw, offset, period); ++ ++ /* Clear all irqs before enabling irqs and starting DMA */ ++ writeb_relaxed(HDMI_IH_AHBDMAAUD_STAT0_ALL, ++ base + HDMI_IH_AHBDMAAUD_STAT0); ++ ++ start = dw->buf_addr + offset; ++ stop = start + period - 1; ++ ++ /* Setup the hardware start/stop addresses */ ++ dw_hdmi_writel(start, base + HDMI_AHB_DMA_STRADDR0); ++ dw_hdmi_writel(stop, base + HDMI_AHB_DMA_STPADDR0); ++ ++ writeb_relaxed((u8)~HDMI_AHB_DMA_MASK_DONE, base + HDMI_AHB_DMA_MASK); ++ writeb(HDMI_AHB_DMA_START_START, base + HDMI_AHB_DMA_START); ++ ++ offset += period; ++ if (offset >= dw->buf_size) ++ offset = 0; ++ dw->buf_offset = offset; ++} ++ ++static void dw_hdmi_stop_dma(struct snd_dw_hdmi *dw) ++{ ++ dw->substream = NULL; ++ ++ /* Disable interrupts before disabling DMA */ ++ writeb_relaxed(~0, dw->data.base + HDMI_AHB_DMA_MASK); ++ writeb_relaxed(HDMI_AHB_DMA_STOP_STOP, dw->data.base + HDMI_AHB_DMA_STOP); ++} ++ ++static irqreturn_t snd_dw_hdmi_irq(int irq, void *data) ++{ ++ struct snd_dw_hdmi *dw = data; ++ struct snd_pcm_substream *substream; ++ unsigned stat; ++ ++ stat = readb_relaxed(dw->data.base + HDMI_IH_AHBDMAAUD_STAT0); ++ if (!stat) ++ return IRQ_NONE; ++ ++ writeb_relaxed(stat, dw->data.base + HDMI_IH_AHBDMAAUD_STAT0); ++ ++ substream = dw->substream; ++ if (stat & HDMI_IH_AHBDMAAUD_STAT0_DONE && substream) { ++ snd_pcm_period_elapsed(substream); ++ if (dw->substream) ++ dw_hdmi_start_dma(dw); ++ } ++ ++ return IRQ_HANDLED; ++} ++ ++static struct snd_pcm_hardware dw_hdmi_hw = { ++ .info = SNDRV_PCM_INFO_INTERLEAVED | ++ SNDRV_PCM_INFO_BLOCK_TRANSFER | ++ SNDRV_PCM_INFO_MMAP | ++ SNDRV_PCM_INFO_MMAP_VALID, ++ .formats = SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_LE | ++ SNDRV_PCM_FMTBIT_S24_LE, ++ .rates = SNDRV_PCM_RATE_32000 | ++ SNDRV_PCM_RATE_44100 | ++ SNDRV_PCM_RATE_48000 | ++ SNDRV_PCM_RATE_88200 | ++ SNDRV_PCM_RATE_96000 | ++ SNDRV_PCM_RATE_176400 | ++ SNDRV_PCM_RATE_192000, ++ .channels_min = 2, ++ .channels_max = 8, ++ .buffer_bytes_max = 64 * 1024, ++ .period_bytes_min = 256, ++ .period_bytes_max = 8192, /* ERR004323: must limit to 8k */ ++ .periods_min = 2, ++ .periods_max = 16, ++ .fifo_size = 0, ++}; ++ ++static unsigned rates_mask[] = { ++ SNDRV_PCM_RATE_32000, ++ SNDRV_PCM_RATE_44100, ++ SNDRV_PCM_RATE_48000, ++ SNDRV_PCM_RATE_88200, ++ SNDRV_PCM_RATE_96000, ++ SNDRV_PCM_RATE_176400, ++ SNDRV_PCM_RATE_192000, ++}; ++ ++static void dw_hdmi_parse_eld(struct snd_dw_hdmi *dw, ++ struct snd_pcm_runtime *runtime) ++{ ++ u8 *sad, *eld = dw->data.eld; ++ unsigned eld_ver, mnl, sad_count, rates, rate_mask, i; ++ unsigned max_channels; ++ ++ eld_ver = eld[0] >> 3; ++ if (eld_ver != 2 && eld_ver != 31) ++ return; ++ ++ mnl = eld[4] & 0x1f; ++ if (mnl > 16) ++ return; ++ ++ sad_count = eld[5] >> 4; ++ sad = eld + 20 + mnl; ++ ++ /* Start from the basic audio settings */ ++ max_channels = 2; ++ rates = 7; ++ while (sad_count > 0) { ++ switch (sad[0] & 0x78) { ++ case 0x08: /* PCM */ ++ max_channels = max(max_channels, (sad[0] & 7) + 1u); ++ rates |= sad[1]; ++ break; ++ } ++ sad += 3; ++ sad_count -= 1; ++ } ++ ++ for (rate_mask = i = 0; i < ARRAY_SIZE(rates_mask); i++) ++ if (rates & 1 << i) ++ rate_mask |= rates_mask[i]; ++ ++ runtime->hw.rates &= rate_mask; ++ runtime->hw.channels_max = min(runtime->hw.channels_max, max_channels); ++} ++ ++static int dw_hdmi_open(struct snd_pcm_substream *substream) ++{ ++ struct snd_pcm_runtime *runtime = substream->runtime; ++ struct snd_dw_hdmi *dw = substream->private_data; ++ void __iomem *base = dw->data.base; ++ int ret; ++ ++ /* Clear FIFO */ ++ writeb_relaxed(HDMI_AHB_DMA_CONF0_SW_FIFO_RST, ++ base + HDMI_AHB_DMA_CONF0); ++ ++ /* Configure interrupt polarities */ ++ writeb_relaxed(~0, base + HDMI_AHB_DMA_POL); ++ writeb_relaxed(~0, base + HDMI_AHB_DMA_BUFFPOL); ++ ++ /* Keep interrupts masked, and clear any pending */ ++ writeb_relaxed(~0, base + HDMI_AHB_DMA_MASK); ++ writeb_relaxed(~0, base + HDMI_IH_AHBDMAAUD_STAT0); ++ ++ ret = request_irq(dw->data.irq, snd_dw_hdmi_irq, IRQF_SHARED, ++ "dw-hdmi-audio", dw); ++ if (ret) ++ return ret; ++ ++ /* Un-mute done interrupt */ ++ writeb_relaxed(HDMI_IH_MUTE_AHBDMAAUD_STAT0_ALL & ++ ~HDMI_IH_MUTE_AHBDMAAUD_STAT0_DONE, ++ base + HDMI_IH_MUTE_AHBDMAAUD_STAT0); ++ ++ runtime->hw = dw_hdmi_hw; ++ dw_hdmi_parse_eld(dw, runtime); ++ snd_pcm_limit_hw_rates(runtime); ++ ++ return 0; ++} ++ ++static int dw_hdmi_close(struct snd_pcm_substream *substream) ++{ ++ struct snd_dw_hdmi *dw = substream->private_data; ++ ++ /* Mute all interrupts */ ++ writeb_relaxed(HDMI_IH_MUTE_AHBDMAAUD_STAT0_ALL, ++ dw->data.base + HDMI_IH_MUTE_AHBDMAAUD_STAT0); ++ ++ free_irq(dw->data.irq, dw); ++ ++ return 0; ++} ++ ++static int dw_hdmi_hw_free(struct snd_pcm_substream *substream) ++{ ++ return snd_pcm_lib_free_vmalloc_buffer(substream); ++} ++ ++static int dw_hdmi_hw_params(struct snd_pcm_substream *substream, ++ struct snd_pcm_hw_params *params) ++{ ++ return snd_pcm_lib_alloc_vmalloc_buffer(substream, ++ params_buffer_bytes(params)); ++} ++ ++static int dw_hdmi_prepare(struct snd_pcm_substream *substream) ++{ ++ struct snd_pcm_runtime *runtime = substream->runtime; ++ struct snd_dw_hdmi *dw = substream->private_data; ++ uint8_t threshold, conf0, conf1; ++ ++ /* Setup as per 3.0.5 FSL 4.1.0 BSP */ ++ switch (dw->revision) { ++ case 0x0a: ++ conf0 = HDMI_AHB_DMA_CONF0_BURST_MODE | ++ HDMI_AHB_DMA_CONF0_INCR4; ++ if (runtime->channels == 2) ++ threshold = 126; ++ else ++ threshold = 124; ++ break; ++ case 0x1a: ++ conf0 = HDMI_AHB_DMA_CONF0_BURST_MODE | ++ HDMI_AHB_DMA_CONF0_INCR8; ++ threshold = 128; ++ break; ++ default: ++ /* NOTREACHED */ ++ return -EINVAL; ++ } ++ ++ dw->data.set_sample_rate(dw->data.hdmi, runtime->rate); ++ ++ /* Minimum number of bytes in the fifo. */ ++ runtime->hw.fifo_size = threshold * 32; ++ ++ conf0 |= HDMI_AHB_DMA_CONF0_EN_HLOCK; ++ conf1 = (1 << runtime->channels) - 1; ++ ++ writeb_relaxed(threshold, dw->data.base + HDMI_AHB_DMA_THRSLD); ++ writeb_relaxed(conf0, dw->data.base + HDMI_AHB_DMA_CONF0); ++ writeb_relaxed(conf1, dw->data.base + HDMI_AHB_DMA_CONF1); ++ ++ switch (runtime->format) { ++ case SNDRV_PCM_FORMAT_IEC958_SUBFRAME_LE: ++ dw->reformat = dw_hdmi_reformat_iec958; ++ break; ++ case SNDRV_PCM_FORMAT_S24_LE: ++ dw_hdmi_create_cs(dw, runtime); ++ dw->reformat = dw_hdmi_reformat_s24; ++ break; ++ } ++ dw->iec_offset = 0; ++ dw->channels = runtime->channels; ++ dw->buf_src = runtime->dma_area; ++ dw->buf_dst = substream->dma_buffer.area; ++ dw->buf_addr = substream->dma_buffer.addr; ++ dw->buf_period = snd_pcm_lib_period_bytes(substream); ++ dw->buf_size = snd_pcm_lib_buffer_bytes(substream); ++ ++ return 0; ++} ++ ++static int dw_hdmi_trigger(struct snd_pcm_substream *substream, int cmd) ++{ ++ struct snd_dw_hdmi *dw = substream->private_data; ++ void __iomem *base = dw->data.base; ++ unsigned n[3], cts[3]; ++ int ret = 0, i; ++ bool err005174; ++ ++ switch (cmd) { ++ case SNDRV_PCM_TRIGGER_START: ++ err005174 = dw->revision == 0x0a; ++ if (err005174) { ++ for (i = 2; i >= 1; i--) { ++ n[i] = readb_relaxed(base + HDMI_AUD_N1 + i); ++ cts[i] = readb_relaxed(base + HDMI_AUD_CTS1 + i); ++ writeb_relaxed(0, base + HDMI_AUD_N1 + i); ++ writeb_relaxed(0, base + HDMI_AUD_CTS1 + i); ++ } ++ } ++ ++ dw->buf_offset = 0; ++ dw->substream = substream; ++ dw_hdmi_start_dma(dw); ++ ++ if (err005174) { ++ for (i = 2; i >= 1; i--) ++ writeb_relaxed(cts[i], base + HDMI_AUD_CTS1 + i); ++ for (i = 2; i >= 1; i--) ++ writeb_relaxed(n[i], base + HDMI_AUD_N1 + i); ++ } ++ ++ substream->runtime->delay = substream->runtime->period_size; ++ break; ++ ++ case SNDRV_PCM_TRIGGER_STOP: ++ dw_hdmi_stop_dma(dw); ++ break; ++ ++ default: ++ ret = -EINVAL; ++ break; ++ } ++ ++ return ret; ++} ++ ++static snd_pcm_uframes_t dw_hdmi_pointer(struct snd_pcm_substream *substream) ++{ ++ struct snd_pcm_runtime *runtime = substream->runtime; ++ struct snd_dw_hdmi *dw = substream->private_data; ++ ++ return bytes_to_frames(runtime, dw->buf_offset); ++} ++ ++static struct snd_pcm_ops snd_dw_hdmi_ops = { ++ .open = dw_hdmi_open, ++ .close = dw_hdmi_close, ++ .ioctl = snd_pcm_lib_ioctl, ++ .hw_params = dw_hdmi_hw_params, ++ .hw_free = dw_hdmi_hw_free, ++ .prepare = dw_hdmi_prepare, ++ .trigger = dw_hdmi_trigger, ++ .pointer = dw_hdmi_pointer, ++ .page = snd_pcm_lib_get_vmalloc_page, ++}; ++ ++static int snd_dw_hdmi_probe(struct platform_device *pdev) ++{ ++ const struct dw_hdmi_audio_data *data = pdev->dev.platform_data; ++ struct device *dev = pdev->dev.parent; ++ struct snd_dw_hdmi *dw; ++ struct snd_card *card; ++ struct snd_pcm *pcm; ++ unsigned revision; ++ int ret; ++ ++ writeb_relaxed(HDMI_IH_MUTE_AHBDMAAUD_STAT0_ALL, ++ data->base + HDMI_IH_MUTE_AHBDMAAUD_STAT0); ++ revision = readb_relaxed(data->base + HDMI_REVISION_ID); ++ if (revision != 0x0a && revision != 0x1a) { ++ dev_err(dev, "dw-hdmi-audio: unknown revision 0x%02x\n", ++ revision); ++ return -ENXIO; ++ } ++ ++ ret = snd_card_create(SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1, ++ THIS_MODULE, sizeof(struct snd_dw_hdmi), &card); ++ if (ret < 0) ++ return ret; ++ ++ snd_card_set_dev(card, dev); ++ ++ strlcpy(card->driver, DRIVER_NAME, sizeof(card->driver)); ++ strlcpy(card->shortname, "DW-HDMI", sizeof(card->shortname)); ++ snprintf(card->longname, sizeof(card->longname), ++ "%s rev 0x%02x, irq %d", card->shortname, revision, ++ data->irq); ++ ++ dw = card->private_data; ++ dw->card = card; ++ dw->data = *data; ++ dw->revision = revision; ++ ++ ret = snd_pcm_new(card, "DW HDMI", 0, 1, 0, &pcm); ++ if (ret < 0) ++ goto err; ++ ++ dw->pcm = pcm; ++ pcm->private_data = dw; ++ strlcpy(pcm->name, DRIVER_NAME, sizeof(pcm->name)); ++ snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_dw_hdmi_ops); ++ ++ snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, ++ dev, 64 * 1024, 64 * 1024); ++ ++ ret = snd_card_register(card); ++ if (ret < 0) ++ goto err; ++ ++ platform_set_drvdata(pdev, dw); ++ ++ return 0; ++ ++err: ++ snd_card_free(card); ++ return ret; ++} ++ ++static int snd_dw_hdmi_remove(struct platform_device *pdev) ++{ ++ struct snd_dw_hdmi *dw = platform_get_drvdata(pdev); ++ ++ snd_card_free(dw->card); ++ ++ return 0; ++} ++ ++#ifdef CONFIG_PM_SLEEP ++static int snd_dw_hdmi_suspend(struct device *dev) ++{ ++ struct snd_dw_hdmi *dw = dev_get_drvdata(dev); ++ ++ snd_power_change_state(dw->card, SNDRV_CTL_POWER_D3cold); ++ snd_pcm_suspend_all(dw->pcm); ++ ++ return 0; ++} ++ ++static int snd_dw_hdmi_resume(struct device *dev) ++{ ++ struct snd_dw_hdmi *dw = dev_get_drvdata(dev); ++ ++ snd_power_change_state(dw->card, SNDRV_CTL_POWER_D0); ++ ++ return 0; ++} ++ ++static SIMPLE_DEV_PM_OPS(snd_dw_hdmi_pm, snd_dw_hdmi_suspend, ++ snd_dw_hdmi_resume); ++#define PM_OPS &snd_dw_hdmi_pm ++#else ++#define PM_OPS NULL ++#endif ++ ++static struct platform_driver snd_dw_hdmi_driver = { ++ .probe = snd_dw_hdmi_probe, ++ .remove = snd_dw_hdmi_remove, ++ .driver = { ++ .name = "dw-hdmi-audio", ++ .owner = THIS_MODULE, ++ .pm = PM_OPS, ++ }, ++}; ++ ++module_platform_driver(snd_dw_hdmi_driver); ++ ++MODULE_AUTHOR("Russell King "); ++MODULE_LICENSE("GPL"); +diff -Nur linux-3.15-rc6.orig/drivers/staging/imx-drm/dw-hdmi-audio.h linux-3.15-rc6/drivers/staging/imx-drm/dw-hdmi-audio.h +--- linux-3.15-rc6.orig/drivers/staging/imx-drm/dw-hdmi-audio.h 1970-01-01 01:00:00.000000000 +0100 ++++ linux-3.15-rc6/drivers/staging/imx-drm/dw-hdmi-audio.h 2014-05-23 11:26:48.316940071 +0200 +@@ -0,0 +1,15 @@ ++#ifndef DW_HDMI_AUDIO_H ++#define DW_HDMI_AUDIO_H ++ ++struct imx_hdmi; ++ ++struct dw_hdmi_audio_data { ++ phys_addr_t phys; ++ void __iomem *base; ++ int irq; ++ struct imx_hdmi *hdmi; ++ u8 *eld; ++ void (*set_sample_rate)(struct imx_hdmi *, unsigned); ++}; ++ ++#endif +diff -Nur linux-3.15-rc6.orig/drivers/staging/imx-drm/dw-hdmi-cec.c linux-3.15-rc6/drivers/staging/imx-drm/dw-hdmi-cec.c +--- linux-3.15-rc6.orig/drivers/staging/imx-drm/dw-hdmi-cec.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-3.15-rc6/drivers/staging/imx-drm/dw-hdmi-cec.c 2014-05-23 11:26:48.316940071 +0200 +@@ -0,0 +1,205 @@ ++/* http://git.freescale.com/git/cgit.cgi/imx/linux-2.6-imx.git/tree/drivers/mxc/hdmi-cec/mxc_hdmi-cec.c?h=imx_3.0.35_4.1.0 */ ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++ ++#include "imx-hdmi.h" ++#include "dw-hdmi-cec.h" ++ ++#define DEV_NAME "mxc_hdmi_cec" ++ ++enum { ++ CEC_STAT_DONE = BIT(0), ++ CEC_STAT_EOM = BIT(1), ++ CEC_STAT_NACK = BIT(2), ++ CEC_STAT_ARBLOST = BIT(3), ++ CEC_STAT_ERROR_INIT = BIT(4), ++ CEC_STAT_ERROR_FOLL = BIT(5), ++ CEC_STAT_WAKEUP = BIT(6), ++ ++ CEC_CTRL_START = BIT(0), ++ CEC_CTRL_NORMAL = 1 << 1, ++}; ++ ++struct dw_hdmi_cec { ++ struct cec_dev cec; ++ ++ struct device *dev; ++ void __iomem *base; ++ const struct dw_hdmi_cec_ops *ops; ++ void *ops_data; ++ int irq; ++}; ++ ++static void dw_hdmi_set_address(struct cec_dev *cec_dev, unsigned addresses) ++{ ++ struct dw_hdmi_cec *cec = container_of(cec_dev, struct dw_hdmi_cec, cec); ++ ++ writeb(addresses & 255, cec->base + HDMI_CEC_ADDR_L); ++ writeb(addresses >> 8, cec->base + HDMI_CEC_ADDR_H); ++} ++ ++static void dw_hdmi_send_message(struct cec_dev *cec_dev, u8 *msg, ++ size_t count) ++{ ++ struct dw_hdmi_cec *cec = container_of(cec_dev, struct dw_hdmi_cec, cec); ++ unsigned i; ++ ++ for (i = 0; i < count; i++) ++ writeb(msg[i], cec->base + HDMI_CEC_TX_DATA0 + i); ++ ++ writeb(count, cec->base + HDMI_CEC_TX_CNT); ++ writeb(CEC_CTRL_NORMAL | CEC_CTRL_START, cec->base + HDMI_CEC_CTRL); ++} ++ ++static irqreturn_t dw_hdmi_cec_irq(int irq, void *data) ++{ ++ struct dw_hdmi_cec *cec = data; ++ struct cec_dev *cec_dev = &cec->cec; ++ unsigned stat = readb(cec->base + HDMI_IH_CEC_STAT0); ++ ++ if (stat == 0) ++ return IRQ_NONE; ++ ++ writeb(stat, cec->base + HDMI_IH_CEC_STAT0); ++ ++ if (stat & CEC_STAT_ERROR_INIT) { ++ if (cec->cec.retries) { ++ unsigned v = readb(cec->base + HDMI_CEC_CTRL); ++ writeb(v | CEC_CTRL_START, cec->base + HDMI_CEC_CTRL); ++ cec->cec.retries -= 1; ++ } else { ++ cec->cec.write_busy = 0; ++ cec_dev_event(cec_dev, MESSAGE_TYPE_SEND_ERROR, NULL, 0); ++ } ++ } else if (stat & (CEC_STAT_DONE | CEC_STAT_NACK)) ++ cec_dev_send_complete(cec_dev, stat & CEC_STAT_DONE); ++ ++ if (stat & CEC_STAT_EOM) { ++ unsigned len, i; ++ u8 msg[MAX_MESSAGE_LEN]; ++ ++ len = readb(cec->base + HDMI_CEC_RX_CNT); ++ if (len > sizeof(msg)) ++ len = sizeof(msg); ++ ++ for (i = 0; i < len; i++) ++ msg[i] = readb(cec->base + HDMI_CEC_RX_DATA0 + i); ++ ++ writeb(0, cec->base + HDMI_CEC_LOCK); ++ ++ cec_dev_receive(cec_dev, msg, len); ++ } ++ ++ return IRQ_HANDLED; ++} ++EXPORT_SYMBOL(dw_hdmi_cec_irq); ++ ++static void dw_hdmi_cec_release(struct cec_dev *cec_dev) ++{ ++ struct dw_hdmi_cec *cec = container_of(cec_dev, struct dw_hdmi_cec, cec); ++ ++ writeb(~0, cec->base + HDMI_CEC_MASK); ++ writeb(~0, cec->base + HDMI_IH_MUTE_CEC_STAT0); ++ writeb(0, cec->base + HDMI_CEC_POLARITY); ++ ++ free_irq(cec->irq, cec); ++ ++ cec->ops->disable(cec->ops_data); ++} ++ ++static int dw_hdmi_cec_open(struct cec_dev *cec_dev) ++{ ++ struct dw_hdmi_cec *cec = container_of(cec_dev, struct dw_hdmi_cec, cec); ++ unsigned irqs; ++ int ret; ++ ++ writeb(0, cec->base + HDMI_CEC_CTRL); ++ writeb(~0, cec->base + HDMI_IH_CEC_STAT0); ++ writeb(0, cec->base + HDMI_CEC_LOCK); ++ ++ ret = request_irq(cec->irq, dw_hdmi_cec_irq, IRQF_SHARED, ++ DEV_NAME, cec); ++ if (ret < 0) ++ return ret; ++ ++ dw_hdmi_set_address(cec_dev, cec_dev->addresses); ++ ++ cec->ops->enable(cec->ops_data); ++ ++ irqs = CEC_STAT_ERROR_INIT | CEC_STAT_NACK | CEC_STAT_EOM | ++ CEC_STAT_DONE; ++ writeb(irqs, cec->base + HDMI_CEC_POLARITY); ++ writeb(~irqs, cec->base + HDMI_CEC_MASK); ++ writeb(~irqs, cec->base + HDMI_IH_MUTE_CEC_STAT0); ++ ++ return 0; ++} ++ ++static int dw_hdmi_cec_probe(struct platform_device *pdev) ++{ ++ struct dw_hdmi_cec_data *data = dev_get_platdata(&pdev->dev); ++ struct dw_hdmi_cec *cec; ++ ++ if (!data) ++ return -ENXIO; ++ ++ cec = devm_kzalloc(&pdev->dev, sizeof(*cec), GFP_KERNEL); ++ if (!cec) ++ return -ENOMEM; ++ ++ cec->dev = &pdev->dev; ++ cec->base = data->base; ++ cec->irq = data->irq; ++ cec->ops = data->ops; ++ cec->ops_data = data->ops_data; ++ cec->cec.open = dw_hdmi_cec_open; ++ cec->cec.release = dw_hdmi_cec_release; ++ cec->cec.send_message = dw_hdmi_send_message; ++ cec->cec.set_address = dw_hdmi_set_address; ++ ++ cec_dev_init(&cec->cec, THIS_MODULE); ++ ++ /* FIXME: soft-reset the CEC interface */ ++ ++ dw_hdmi_set_address(&cec->cec, cec->cec.addresses); ++ writeb(0, cec->base + HDMI_CEC_TX_CNT); ++ writeb(~0, cec->base + HDMI_CEC_MASK); ++ writeb(~0, cec->base + HDMI_IH_MUTE_CEC_STAT0); ++ writeb(0, cec->base + HDMI_CEC_POLARITY); ++ ++ /* ++ * Our device is just a convenience - we want to link to the real ++ * hardware device here, so that userspace can see the association ++ * between the HDMI hardware and its associated CEC chardev. ++ */ ++ return cec_dev_add(&cec->cec, cec->dev->parent, DEV_NAME); ++} ++ ++static int dw_hdmi_cec_remove(struct platform_device *pdev) ++{ ++ struct dw_hdmi_cec *cec = platform_get_drvdata(pdev); ++ ++ cec_dev_remove(&cec->cec); ++ ++ return 0; ++} ++ ++static struct platform_driver dw_hdmi_cec_driver = { ++ .probe = dw_hdmi_cec_probe, ++ .remove = dw_hdmi_cec_remove, ++ .driver = { ++ .name = "dw-hdmi-cec", ++ .owner = THIS_MODULE, ++ }, ++}; ++module_platform_driver(dw_hdmi_cec_driver); ++ ++MODULE_AUTHOR("Russell King "); ++MODULE_DESCRIPTION("Synopsis Designware HDMI CEC driver for i.MX"); ++MODULE_LICENSE("GPL"); ++MODULE_ALIAS(PLATFORM_MODULE_PREFIX "dw-hdmi-cec"); +diff -Nur linux-3.15-rc6.orig/drivers/staging/imx-drm/dw-hdmi-cec.h linux-3.15-rc6/drivers/staging/imx-drm/dw-hdmi-cec.h +--- linux-3.15-rc6.orig/drivers/staging/imx-drm/dw-hdmi-cec.h 1970-01-01 01:00:00.000000000 +0100 ++++ linux-3.15-rc6/drivers/staging/imx-drm/dw-hdmi-cec.h 2014-05-23 11:26:48.316940071 +0200 +@@ -0,0 +1,16 @@ ++#ifndef DW_HDMI_CEC_H ++#define DW_HDMI_CEC_H ++ ++struct dw_hdmi_cec_ops { ++ void (*enable)(void *); ++ void (*disable)(void *); ++}; ++ ++struct dw_hdmi_cec_data { ++ void __iomem *base; ++ int irq; ++ const struct dw_hdmi_cec_ops *ops; ++ void *ops_data; ++}; ++ ++#endif +diff -Nur linux-3.15-rc6.orig/drivers/staging/imx-drm/imx-hdmi.c linux-3.15-rc6/drivers/staging/imx-drm/imx-hdmi.c +--- linux-3.15-rc6.orig/drivers/staging/imx-drm/imx-hdmi.c 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/drivers/staging/imx-drm/imx-hdmi.c 2014-05-23 11:26:48.316940071 +0200 +@@ -28,6 +28,9 @@ + #include + #include + ++#include "drm-ddc-connector.h" ++#include "dw-hdmi-audio.h" ++#include "dw-hdmi-cec.h" + #include "ipu-v3/imx-ipu-v3.h" + #include "imx-hdmi.h" + #include "imx-drm.h" +@@ -112,27 +115,27 @@ + }; + + struct imx_hdmi { +- struct drm_connector connector; ++ struct drm_ddc_connector *ddc_conn; + struct drm_encoder encoder; + ++ struct platform_device *audio; ++ struct platform_device *cec; + enum imx_hdmi_devtype dev_type; + struct device *dev; + struct clk *isfr_clk; + struct clk *iahb_clk; + +- enum drm_connector_status connector_status; +- + struct hdmi_data_info hdmi_data; + int vic; + + u8 edid[HDMI_EDID_LEN]; ++ u8 mc_clkdis; + bool cable_plugin; + + bool phy_enabled; + struct drm_display_mode previous_mode; + + struct regmap *regmap; +- struct i2c_adapter *ddc; + void __iomem *regs; + + unsigned int sample_rate; +@@ -362,6 +365,12 @@ + hdmi_set_clk_regenerator(hdmi, hdmi->hdmi_data.video_mode.mpixelclock); + } + ++static void imx_hdmi_set_sample_rate(struct imx_hdmi *hdmi, unsigned rate) ++{ ++ hdmi->sample_rate = rate; ++ hdmi_set_clk_regenerator(hdmi, hdmi->hdmi_data.video_mode.mpixelclock); ++} ++ + /* + * this submodule is responsible for the video data synchronization. + * for example, for RGB 4:4:4 input, the data map is defined as +@@ -1148,8 +1157,6 @@ + /* HDMI Initialization Step B.4 */ + static void imx_hdmi_enable_video_path(struct imx_hdmi *hdmi) + { +- u8 clkdis; +- + /* control period minimum duration */ + hdmi_writeb(hdmi, 12, HDMI_FC_CTRLDUR); + hdmi_writeb(hdmi, 32, HDMI_FC_EXCTRLDUR); +@@ -1161,23 +1168,28 @@ + hdmi_writeb(hdmi, 0x21, HDMI_FC_CH2PREAM); + + /* Enable pixel clock and tmds data path */ +- clkdis = 0x7F; +- clkdis &= ~HDMI_MC_CLKDIS_PIXELCLK_DISABLE; +- hdmi_writeb(hdmi, clkdis, HDMI_MC_CLKDIS); ++ hdmi->mc_clkdis |= HDMI_MC_CLKDIS_HDCPCLK_DISABLE | ++ HDMI_MC_CLKDIS_CSCCLK_DISABLE | ++ HDMI_MC_CLKDIS_AUDCLK_DISABLE | ++ HDMI_MC_CLKDIS_PREPCLK_DISABLE | ++ HDMI_MC_CLKDIS_TMDSCLK_DISABLE; ++ hdmi->mc_clkdis &= ~HDMI_MC_CLKDIS_PIXELCLK_DISABLE; ++ hdmi_writeb(hdmi, hdmi->mc_clkdis, HDMI_MC_CLKDIS); + +- clkdis &= ~HDMI_MC_CLKDIS_TMDSCLK_DISABLE; +- hdmi_writeb(hdmi, clkdis, HDMI_MC_CLKDIS); ++ hdmi->mc_clkdis &= ~HDMI_MC_CLKDIS_TMDSCLK_DISABLE; ++ hdmi_writeb(hdmi, hdmi->mc_clkdis, HDMI_MC_CLKDIS); + + /* Enable csc path */ + if (is_color_space_conversion(hdmi)) { +- clkdis &= ~HDMI_MC_CLKDIS_CSCCLK_DISABLE; +- hdmi_writeb(hdmi, clkdis, HDMI_MC_CLKDIS); ++ hdmi->mc_clkdis &= ~HDMI_MC_CLKDIS_CSCCLK_DISABLE; ++ hdmi_writeb(hdmi, hdmi->mc_clkdis, HDMI_MC_CLKDIS); + } + } + + static void hdmi_enable_audio_clk(struct imx_hdmi *hdmi) + { +- hdmi_modb(hdmi, 0, HDMI_MC_CLKDIS_AUDCLK_DISABLE, HDMI_MC_CLKDIS); ++ hdmi->mc_clkdis &= ~HDMI_MC_CLKDIS_AUDCLK_DISABLE; ++ hdmi_writeb(hdmi, hdmi->mc_clkdis, HDMI_MC_CLKDIS); + } + + /* Workaround to clear the overflow condition */ +@@ -1380,41 +1392,16 @@ + static enum drm_connector_status imx_hdmi_connector_detect(struct drm_connector + *connector, bool force) + { +- struct imx_hdmi *hdmi = container_of(connector, struct imx_hdmi, +- connector); +- return hdmi->connector_status; +-} +- +-static int imx_hdmi_connector_get_modes(struct drm_connector *connector) +-{ +- struct imx_hdmi *hdmi = container_of(connector, struct imx_hdmi, +- connector); +- struct edid *edid; +- int ret; ++ struct imx_hdmi *hdmi = drm_ddc_private(connector); + +- if (!hdmi->ddc) +- return 0; +- +- edid = drm_get_edid(connector, hdmi->ddc); +- if (edid) { +- dev_dbg(hdmi->dev, "got edid: width[%d] x height[%d]\n", +- edid->width_cm, edid->height_cm); +- +- drm_mode_connector_update_edid_property(connector, edid); +- ret = drm_add_edid_modes(connector, edid); +- kfree(edid); +- } else { +- dev_dbg(hdmi->dev, "failed to get edid\n"); +- } +- +- return 0; ++ return hdmi_readb(hdmi, HDMI_PHY_STAT0) & HDMI_PHY_HPD ? ++ connector_status_connected : connector_status_disconnected; + } + + static struct drm_encoder *imx_hdmi_connector_best_encoder(struct drm_connector + *connector) + { +- struct imx_hdmi *hdmi = container_of(connector, struct imx_hdmi, +- connector); ++ struct imx_hdmi *hdmi = drm_ddc_private(connector); + + return &hdmi->encoder; + } +@@ -1483,15 +1470,8 @@ + .disable = imx_hdmi_encoder_disable, + }; + +-static struct drm_connector_funcs imx_hdmi_connector_funcs = { +- .dpms = drm_helper_connector_dpms, +- .fill_modes = drm_helper_probe_single_connector_modes, +- .detect = imx_hdmi_connector_detect, +- .destroy = imx_drm_connector_destroy, +-}; +- + static struct drm_connector_helper_funcs imx_hdmi_connector_helper_funcs = { +- .get_modes = imx_hdmi_connector_get_modes, ++ .get_modes = drm_ddc_connector_get_modes, + .mode_valid = imx_drm_connector_mode_valid, + .best_encoder = imx_hdmi_connector_best_encoder, + }; +@@ -1524,7 +1504,6 @@ + + hdmi_modb(hdmi, 0, HDMI_PHY_HPD, HDMI_PHY_POL0); + +- hdmi->connector_status = connector_status_connected; + imx_hdmi_poweron(hdmi); + } else { + dev_dbg(hdmi->dev, "EVENT=plugout\n"); +@@ -1532,10 +1511,9 @@ + hdmi_modb(hdmi, HDMI_PHY_HPD, HDMI_PHY_HPD, + HDMI_PHY_POL0); + +- hdmi->connector_status = connector_status_disconnected; + imx_hdmi_poweroff(hdmi); + } +- drm_helper_hpd_irq_event(hdmi->connector.dev); ++ drm_helper_hpd_irq_event(hdmi->ddc_conn->connector.dev); + } + + hdmi_writeb(hdmi, intr_stat, HDMI_IH_PHY_STAT0); +@@ -1553,24 +1531,42 @@ + if (ret) + return ret; + +- hdmi->connector.polled = DRM_CONNECTOR_POLL_HPD; ++ hdmi->ddc_conn->connector.polled = DRM_CONNECTOR_POLL_HPD; + + drm_encoder_helper_add(&hdmi->encoder, &imx_hdmi_encoder_helper_funcs); + drm_encoder_init(drm, &hdmi->encoder, &imx_hdmi_encoder_funcs, + DRM_MODE_ENCODER_TMDS); + +- drm_connector_helper_add(&hdmi->connector, ++ drm_connector_helper_add(&hdmi->ddc_conn->connector, + &imx_hdmi_connector_helper_funcs); +- drm_connector_init(drm, &hdmi->connector, &imx_hdmi_connector_funcs, +- DRM_MODE_CONNECTOR_HDMIA); +- +- hdmi->connector.encoder = &hdmi->encoder; ++ drm_ddc_connector_add(drm, hdmi->ddc_conn, DRM_MODE_CONNECTOR_HDMIA); + +- drm_mode_connector_attach_encoder(&hdmi->connector, &hdmi->encoder); ++ drm_mode_connector_attach_encoder(&hdmi->ddc_conn->connector, &hdmi->encoder); + + return 0; + } + ++static void imx_hdmi_cec_enable(void *data) ++{ ++ struct imx_hdmi *hdmi = data; ++ ++ hdmi->mc_clkdis &= ~HDMI_MC_CLKDIS_CECCLK_DISABLE; ++ hdmi_writeb(hdmi, hdmi->mc_clkdis, HDMI_MC_CLKDIS); ++} ++ ++static void imx_hdmi_cec_disable(void *data) ++{ ++ struct imx_hdmi *hdmi = data; ++ ++ hdmi->mc_clkdis |= HDMI_MC_CLKDIS_CECCLK_DISABLE; ++ hdmi_writeb(hdmi, hdmi->mc_clkdis, HDMI_MC_CLKDIS); ++} ++ ++static const struct dw_hdmi_cec_ops imx_hdmi_cec_ops = { ++ .enable = imx_hdmi_cec_enable, ++ .disable = imx_hdmi_cec_disable, ++}; ++ + static struct platform_device_id imx_hdmi_devtype[] = { + { + .name = "imx6q-hdmi", +@@ -1592,11 +1588,13 @@ + static int imx_hdmi_bind(struct device *dev, struct device *master, void *data) + { + struct platform_device *pdev = to_platform_device(dev); ++ struct platform_device_info pdevinfo; + const struct of_device_id *of_id = + of_match_device(imx_hdmi_dt_ids, dev); + struct drm_device *drm = data; + struct device_node *np = dev->of_node; +- struct device_node *ddc_node; ++ struct dw_hdmi_audio_data audio; ++ struct dw_hdmi_cec_data cec; + struct imx_hdmi *hdmi; + struct resource *iores; + int ret, irq; +@@ -1605,27 +1603,22 @@ + if (!hdmi) + return -ENOMEM; + ++ hdmi->ddc_conn = drm_ddc_connector_create(drm, np, hdmi); ++ if (IS_ERR(hdmi->ddc_conn)) ++ return PTR_ERR(hdmi->ddc_conn); ++ ++ hdmi->ddc_conn->detect = imx_hdmi_connector_detect; ++ + hdmi->dev = dev; +- hdmi->connector_status = connector_status_disconnected; + hdmi->sample_rate = 48000; + hdmi->ratio = 100; ++ hdmi->mc_clkdis = 0x7f; + + if (of_id) { + const struct platform_device_id *device_id = of_id->data; + hdmi->dev_type = device_id->driver_data; + } + +- ddc_node = of_parse_phandle(np, "ddc-i2c-bus", 0); +- if (ddc_node) { +- hdmi->ddc = of_find_i2c_adapter_by_node(ddc_node); +- if (!hdmi->ddc) +- dev_dbg(hdmi->dev, "failed to read ddc node\n"); +- +- of_node_put(ddc_node); +- } else { +- dev_dbg(hdmi->dev, "no ddc property found\n"); +- } +- + irq = platform_get_irq(pdev, 0); + if (irq < 0) + return -EINVAL; +@@ -1711,6 +1704,35 @@ + /* Unmute interrupts */ + hdmi_writeb(hdmi, ~HDMI_IH_PHY_STAT0_HPD, HDMI_IH_MUTE_PHY_STAT0); + ++ memset(&pdevinfo, 0, sizeof(pdevinfo)); ++ pdevinfo.parent = dev; ++ pdevinfo.id = PLATFORM_DEVID_AUTO; ++ ++ audio.phys = iores->start; ++ audio.base = hdmi->regs; ++ audio.irq = irq; ++ audio.hdmi = hdmi; ++ audio.eld = hdmi->ddc_conn->connector.eld; ++ audio.set_sample_rate = imx_hdmi_set_sample_rate; ++ ++ pdevinfo.name = "dw-hdmi-audio"; ++ pdevinfo.data = &audio; ++ pdevinfo.size_data = sizeof(audio); ++ pdevinfo.dma_mask = DMA_BIT_MASK(32); ++ hdmi->audio = platform_device_register_full(&pdevinfo); ++ ++ cec.base = hdmi->regs; ++ cec.irq = irq; ++ cec.ops = &imx_hdmi_cec_ops; ++ cec.ops_data = hdmi; ++ ++ pdevinfo.name = "dw-hdmi-cec"; ++ pdevinfo.data = &cec; ++ pdevinfo.size_data = sizeof(cec); ++ pdevinfo.dma_mask = 0; ++ ++ hdmi->cec = platform_device_register_full(&pdevinfo); ++ + dev_set_drvdata(dev, hdmi); + + return 0; +@@ -1728,15 +1750,19 @@ + { + struct imx_hdmi *hdmi = dev_get_drvdata(dev); + ++ if (!IS_ERR(hdmi->audio)) ++ platform_device_unregister(hdmi->audio); ++ if (!IS_ERR(hdmi->cec)) ++ platform_device_unregister(hdmi->cec); ++ + /* Disable all interrupts */ + hdmi_writeb(hdmi, ~0, HDMI_IH_MUTE_PHY_STAT0); + +- hdmi->connector.funcs->destroy(&hdmi->connector); ++ hdmi->ddc_conn->connector.funcs->destroy(&hdmi->ddc_conn->connector); + hdmi->encoder.funcs->destroy(&hdmi->encoder); + + clk_disable_unprepare(hdmi->iahb_clk); + clk_disable_unprepare(hdmi->isfr_clk); +- i2c_put_adapter(hdmi->ddc); + } + + static const struct component_ops hdmi_ops = { +diff -Nur linux-3.15-rc6.orig/drivers/staging/imx-drm/imx-ldb.c linux-3.15-rc6/drivers/staging/imx-drm/imx-ldb.c +--- linux-3.15-rc6.orig/drivers/staging/imx-drm/imx-ldb.c 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/drivers/staging/imx-drm/imx-ldb.c 2014-05-23 11:26:48.316940071 +0200 +@@ -24,6 +24,7 @@ + #include + #include + #include ++#include + #include + #include + #include +@@ -60,6 +61,7 @@ + struct imx_ldb *ldb; + struct drm_connector connector; + struct drm_encoder encoder; ++ struct drm_panel *panel; + struct device_node *child; + int chno; + void *edid; +@@ -96,6 +98,13 @@ + struct imx_ldb_channel *imx_ldb_ch = con_to_imx_ldb_ch(connector); + int num_modes = 0; + ++ if (imx_ldb_ch->panel && imx_ldb_ch->panel->funcs && ++ imx_ldb_ch->panel->funcs->get_modes) { ++ num_modes = imx_ldb_ch->panel->funcs->get_modes(imx_ldb_ch->panel); ++ if (num_modes > 0) ++ return num_modes; ++ } ++ + if (imx_ldb_ch->edid) { + drm_mode_connector_update_edid_property(connector, + imx_ldb_ch->edid); +@@ -243,6 +252,8 @@ + } + + regmap_write(ldb->regmap, IOMUXC_GPR2, ldb->ldb_ctrl); ++ ++ drm_panel_enable(imx_ldb_ch->panel); + } + + static void imx_ldb_encoder_mode_set(struct drm_encoder *encoder, +@@ -294,6 +305,8 @@ + (ldb->ldb_ctrl & LDB_CH1_MODE_EN_MASK) == 0) + return; + ++ drm_panel_disable(imx_ldb_ch->panel); ++ + if (imx_ldb_ch == &ldb->channel[0]) + ldb->ldb_ctrl &= ~LDB_CH0_MODE_EN_MASK; + else if (imx_ldb_ch == &ldb->channel[1]) +@@ -379,6 +392,9 @@ + drm_connector_init(drm, &imx_ldb_ch->connector, + &imx_ldb_connector_funcs, DRM_MODE_CONNECTOR_LVDS); + ++ if (imx_ldb_ch->panel) ++ drm_panel_attach(imx_ldb_ch->panel, &imx_ldb_ch->connector); ++ + drm_mode_connector_attach_encoder(&imx_ldb_ch->connector, + &imx_ldb_ch->encoder); + +@@ -493,6 +509,7 @@ + + for_each_child_of_node(np, child) { + struct imx_ldb_channel *channel; ++ struct device_node *panel_node; + + ret = of_property_read_u32(child, "reg", &i); + if (ret || i < 0 || i > 1) +@@ -556,6 +573,10 @@ + return -EINVAL; + } + ++ panel_node = of_parse_phandle(child, "fsl,panel", 0); ++ if (panel_node) ++ channel->panel = of_drm_find_panel(panel_node); ++ + ret = imx_ldb_register(drm, channel); + if (ret) + return ret; +diff -Nur linux-3.15-rc6.orig/drivers/staging/imx-drm/imx-tve.c linux-3.15-rc6/drivers/staging/imx-drm/imx-tve.c +--- linux-3.15-rc6.orig/drivers/staging/imx-drm/imx-tve.c 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/drivers/staging/imx-drm/imx-tve.c 2014-05-23 11:28:50.689342803 +0200 +@@ -22,7 +22,6 @@ + #include + #include + #include +-#include + #include + #include + #include +@@ -31,6 +30,7 @@ + #include + #include + ++#include "drm-ddc-connector.h" + #include "ipu-v3/imx-ipu-v3.h" + #include "imx-drm.h" + +@@ -111,7 +111,7 @@ + }; + + struct imx_tve { +- struct drm_connector connector; ++ struct drm_ddc_connector *ddc_conn; + struct drm_encoder encoder; + struct device *dev; + spinlock_t lock; /* register lock */ +@@ -120,7 +120,6 @@ + + struct regmap *regmap; + struct regulator *dac_reg; +- struct i2c_adapter *ddc; + struct clk *clk; + struct clk *di_sel_clk; + struct clk_hw clk_hw_di; +@@ -219,35 +218,10 @@ + return 0; + } + +-static enum drm_connector_status imx_tve_connector_detect( +- struct drm_connector *connector, bool force) +-{ +- return connector_status_connected; +-} +- +-static int imx_tve_connector_get_modes(struct drm_connector *connector) +-{ +- struct imx_tve *tve = con_to_tve(connector); +- struct edid *edid; +- int ret = 0; +- +- if (!tve->ddc) +- return 0; +- +- edid = drm_get_edid(connector, tve->ddc); +- if (edid) { +- drm_mode_connector_update_edid_property(connector, edid); +- ret = drm_add_edid_modes(connector, edid); +- kfree(edid); +- } +- +- return ret; +-} +- + static int imx_tve_connector_mode_valid(struct drm_connector *connector, + struct drm_display_mode *mode) + { +- struct imx_tve *tve = con_to_tve(connector); ++ struct imx_tve *tve = to_ddc_conn(connector)->private; + unsigned long rate; + int ret; + +@@ -274,7 +248,7 @@ + static struct drm_encoder *imx_tve_connector_best_encoder( + struct drm_connector *connector) + { +- struct imx_tve *tve = con_to_tve(connector); ++ struct imx_tve *tve = drm_ddc_private(connector); + + return &tve->encoder; + } +@@ -362,15 +336,8 @@ + tve_disable(tve); + } + +-static struct drm_connector_funcs imx_tve_connector_funcs = { +- .dpms = drm_helper_connector_dpms, +- .fill_modes = drm_helper_probe_single_connector_modes, +- .detect = imx_tve_connector_detect, +- .destroy = imx_drm_connector_destroy, +-}; +- + static struct drm_connector_helper_funcs imx_tve_connector_helper_funcs = { +- .get_modes = imx_tve_connector_get_modes, ++ .get_modes = drm_ddc_connector_get_modes, + .best_encoder = imx_tve_connector_best_encoder, + .mode_valid = imx_tve_connector_mode_valid, + }; +@@ -513,12 +480,11 @@ + drm_encoder_init(drm, &tve->encoder, &imx_tve_encoder_funcs, + encoder_type); + +- drm_connector_helper_add(&tve->connector, ++ drm_connector_helper_add(&tve->ddc_conn->connector, + &imx_tve_connector_helper_funcs); +- drm_connector_init(drm, &tve->connector, &imx_tve_connector_funcs, +- DRM_MODE_CONNECTOR_VGA); ++ drm_ddc_connector_add(drm, tve->ddc_conn, DRM_MODE_CONNECTOR_VGA); + +- drm_mode_connector_attach_encoder(&tve->connector, &tve->encoder); ++ drm_mode_connector_attach_encoder(&tve->ddc_conn->connector, &tve->encoder); + + return 0; + } +@@ -567,7 +533,6 @@ + struct platform_device *pdev = to_platform_device(dev); + struct drm_device *drm = data; + struct device_node *np = dev->of_node; +- struct device_node *ddc_node; + struct imx_tve *tve; + struct resource *res; + void __iomem *base; +@@ -579,15 +544,13 @@ + if (!tve) + return -ENOMEM; + ++ tve->ddc_conn = drm_ddc_connector_create(drm, np, tve); ++ if (IS_ERR(tve->ddc_conn)) ++ return PTR_ERR(tve->ddc_conn); ++ + tve->dev = dev; + spin_lock_init(&tve->lock); + +- ddc_node = of_parse_phandle(np, "ddc-i2c-bus", 0); +- if (ddc_node) { +- tve->ddc = of_find_i2c_adapter_by_node(ddc_node); +- of_node_put(ddc_node); +- } +- + tve->mode = of_get_tve_mode(np); + if (tve->mode != TVE_MODE_VGA) { + dev_err(dev, "only VGA mode supported, currently\n"); +@@ -694,7 +657,7 @@ + { + struct imx_tve *tve = dev_get_drvdata(dev); + +- tve->connector.funcs->destroy(&tve->connector); ++ tve->ddc_conn->connector.funcs->destroy(&tve->ddc_conn->connector); + tve->encoder.funcs->destroy(&tve->encoder); + + if (!IS_ERR(tve->dac_reg)) +diff -Nur linux-3.15-rc6.orig/drivers/staging/imx-drm/ipu-v3/imx-ipu-v3.h linux-3.15-rc6/drivers/staging/imx-drm/ipu-v3/imx-ipu-v3.h +--- linux-3.15-rc6.orig/drivers/staging/imx-drm/ipu-v3/imx-ipu-v3.h 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/drivers/staging/imx-drm/ipu-v3/imx-ipu-v3.h 2014-05-23 11:26:48.316940071 +0200 +@@ -76,6 +76,7 @@ + IPU_IRQ_EOS = 192, + }; + ++int ipu_map_irq(struct ipu_soc *ipu, int irq); + int ipu_idmac_channel_irq(struct ipu_soc *ipu, struct ipuv3_channel *channel, + enum ipu_channel_irq irq); + +@@ -114,8 +115,10 @@ + void ipu_dc_put(struct ipu_dc *dc); + int ipu_dc_init_sync(struct ipu_dc *dc, struct ipu_di *di, bool interlaced, + u32 pixel_fmt, u32 width); ++void ipu_dc_enable(struct ipu_soc *ipu); + void ipu_dc_enable_channel(struct ipu_dc *dc); + void ipu_dc_disable_channel(struct ipu_dc *dc); ++void ipu_dc_disable(struct ipu_soc *ipu); + + /* + * IPU Display Interface (di) functions +@@ -152,8 +155,10 @@ + + struct ipu_dp *ipu_dp_get(struct ipu_soc *ipu, unsigned int flow); + void ipu_dp_put(struct ipu_dp *); ++int ipu_dp_enable(struct ipu_soc *ipu); + int ipu_dp_enable_channel(struct ipu_dp *dp); + void ipu_dp_disable_channel(struct ipu_dp *dp); ++void ipu_dp_disable(struct ipu_soc *ipu); + int ipu_dp_setup_channel(struct ipu_dp *dp, + enum ipu_color_space in, enum ipu_color_space out); + int ipu_dp_set_window_pos(struct ipu_dp *, u16 x_pos, u16 y_pos); +diff -Nur linux-3.15-rc6.orig/drivers/staging/imx-drm/ipu-v3/ipu-common.c linux-3.15-rc6/drivers/staging/imx-drm/ipu-v3/ipu-common.c +--- linux-3.15-rc6.orig/drivers/staging/imx-drm/ipu-v3/ipu-common.c 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/drivers/staging/imx-drm/ipu-v3/ipu-common.c 2014-05-23 11:26:48.352940189 +0200 +@@ -697,6 +697,12 @@ + } + EXPORT_SYMBOL_GPL(ipu_idmac_enable_channel); + ++bool ipu_idmac_channel_busy(struct ipu_soc *ipu, unsigned int chno) ++{ ++ return (ipu_idmac_read(ipu, IDMAC_CHA_BUSY(chno)) & idma_mask(chno)); ++} ++EXPORT_SYMBOL_GPL(ipu_idmac_channel_busy); ++ + int ipu_idmac_wait_busy(struct ipuv3_channel *channel, int ms) + { + struct ipu_soc *ipu = channel->ipu; +@@ -714,6 +720,22 @@ + } + EXPORT_SYMBOL_GPL(ipu_idmac_wait_busy); + ++int ipu_wait_interrupt(struct ipu_soc *ipu, int irq, int ms) ++{ ++ unsigned long timeout; ++ ++ timeout = jiffies + msecs_to_jiffies(ms); ++ ipu_cm_write(ipu, BIT(irq % 32), IPU_INT_STAT(irq / 32)); ++ while (!(ipu_cm_read(ipu, IPU_INT_STAT(irq / 32) & BIT(irq % 32)))) { ++ if (time_after(jiffies, timeout)) ++ return -ETIMEDOUT; ++ cpu_relax(); ++ } ++ ++ return 0; ++} ++EXPORT_SYMBOL_GPL(ipu_wait_interrupt); ++ + int ipu_idmac_disable_channel(struct ipuv3_channel *channel) + { + struct ipu_soc *ipu = channel->ipu; +@@ -933,15 +955,22 @@ + chained_irq_exit(chip, desc); + } + +-int ipu_idmac_channel_irq(struct ipu_soc *ipu, struct ipuv3_channel *channel, +- enum ipu_channel_irq irq_type) ++int ipu_map_irq(struct ipu_soc *ipu, int irq) + { +- int irq = irq_linear_revmap(ipu->domain, irq_type + channel->num); ++ int virq; + +- if (!irq) +- irq = irq_create_mapping(ipu->domain, irq_type + channel->num); ++ virq = irq_linear_revmap(ipu->domain, irq); ++ if (!virq) ++ virq = irq_create_mapping(ipu->domain, irq); + +- return irq; ++ return virq; ++} ++EXPORT_SYMBOL_GPL(ipu_map_irq); ++ ++int ipu_idmac_channel_irq(struct ipu_soc *ipu, struct ipuv3_channel *channel, ++ enum ipu_channel_irq irq_type) ++{ ++ return ipu_map_irq(ipu, irq_type + channel->num); + } + EXPORT_SYMBOL_GPL(ipu_idmac_channel_irq); + +diff -Nur linux-3.15-rc6.orig/drivers/staging/imx-drm/ipu-v3/ipu-dc.c linux-3.15-rc6/drivers/staging/imx-drm/ipu-v3/ipu-dc.c +--- linux-3.15-rc6.orig/drivers/staging/imx-drm/ipu-v3/ipu-dc.c 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/drivers/staging/imx-drm/ipu-v3/ipu-dc.c 2014-05-23 11:26:48.360940215 +0200 +@@ -18,6 +18,7 @@ + #include + #include + #include ++#include + #include + + #include "../imx-drm.h" +@@ -92,6 +93,7 @@ + IPU_DC_MAP_GBR24, /* TVEv2 */ + IPU_DC_MAP_BGR666, + IPU_DC_MAP_BGR24, ++ IPU_DC_MAP_RGB666, + }; + + struct ipu_dc { +@@ -110,6 +112,9 @@ + struct device *dev; + struct ipu_dc channels[IPU_DC_NUM_CHANNELS]; + struct mutex mutex; ++ struct completion comp; ++ int dc_irq; ++ int dp_irq; + }; + + static void dc_link_event(struct ipu_dc *dc, int event, int addr, int priority) +@@ -155,6 +160,8 @@ + return IPU_DC_MAP_BGR666; + case V4L2_PIX_FMT_BGR24: + return IPU_DC_MAP_BGR24; ++ case V4L2_PIX_FMT_RGB666: ++ return IPU_DC_MAP_RGB666; + default: + return -EINVAL; + } +@@ -220,12 +227,16 @@ + writel(0x0, dc->base + DC_WR_CH_ADDR); + writel(width, priv->dc_reg + DC_DISP_CONF2(dc->di)); + +- ipu_module_enable(priv->ipu, IPU_CONF_DC_EN); +- + return 0; + } + EXPORT_SYMBOL_GPL(ipu_dc_init_sync); + ++void ipu_dc_enable(struct ipu_soc *ipu) ++{ ++ ipu_module_enable(ipu, IPU_CONF_DC_EN); ++} ++EXPORT_SYMBOL_GPL(ipu_dc_enable); ++ + void ipu_dc_enable_channel(struct ipu_dc *dc) + { + int di; +@@ -239,41 +250,55 @@ + } + EXPORT_SYMBOL_GPL(ipu_dc_enable_channel); + ++static irqreturn_t dc_irq_handler(int irq, void *dev_id) ++{ ++ struct ipu_dc *dc = dev_id; ++ u32 reg; ++ ++ reg = readl(dc->base + DC_WR_CH_CONF); ++ reg &= ~DC_WR_CH_CONF_PROG_TYPE_MASK; ++ writel(reg, dc->base + DC_WR_CH_CONF); ++ ++ /* The Freescale BSP kernel clears DIx_COUNTER_RELEASE here */ ++ ++ complete(&dc->priv->comp); ++ return IRQ_HANDLED; ++} ++ + void ipu_dc_disable_channel(struct ipu_dc *dc) + { + struct ipu_dc_priv *priv = dc->priv; ++ int irq, ret; + u32 val; +- int irq = 0, timeout = 50; + ++ /* TODO: Handle MEM_FG_SYNC differently from MEM_BG_SYNC */ + if (dc->chno == 1) +- irq = IPU_IRQ_DC_FC_1; ++ irq = priv->dc_irq; + else if (dc->chno == 5) +- irq = IPU_IRQ_DP_SF_END; ++ irq = priv->dp_irq; + else + return; + +- /* should wait for the interrupt here */ +- mdelay(50); +- +- if (dc->di == 0) +- val = 0x00000002; +- else +- val = 0x00000020; +- +- /* Wait for DC triple buffer to empty */ +- while ((readl(priv->dc_reg + DC_STAT) & val) != val) { +- usleep_range(2000, 20000); +- timeout -= 2; +- if (timeout <= 0) +- break; ++ init_completion(&priv->comp); ++ enable_irq(irq); ++ ret = wait_for_completion_timeout(&priv->comp, msecs_to_jiffies(50)); ++ disable_irq(irq); ++ if (ret <= 0) { ++ dev_warn(priv->dev, "DC stop timeout after 50 ms\n"); ++ ++ val = readl(dc->base + DC_WR_CH_CONF); ++ val &= ~DC_WR_CH_CONF_PROG_TYPE_MASK; ++ writel(val, dc->base + DC_WR_CH_CONF); + } +- +- val = readl(dc->base + DC_WR_CH_CONF); +- val &= ~DC_WR_CH_CONF_PROG_TYPE_MASK; +- writel(val, dc->base + DC_WR_CH_CONF); + } + EXPORT_SYMBOL_GPL(ipu_dc_disable_channel); + ++void ipu_dc_disable(struct ipu_soc *ipu) ++{ ++ ipu_module_disable(ipu, IPU_CONF_DC_EN); ++} ++EXPORT_SYMBOL_GPL(ipu_dc_disable); ++ + static void ipu_dc_map_config(struct ipu_dc_priv *priv, enum ipu_dc_map map, + int byte_num, int offset, int mask) + { +@@ -340,7 +365,7 @@ + struct ipu_dc_priv *priv; + static int channel_offsets[] = { 0, 0x1c, 0x38, 0x54, 0x58, 0x5c, + 0x78, 0, 0x94, 0xb4}; +- int i; ++ int i, ret; + + priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); + if (!priv) +@@ -361,6 +386,23 @@ + priv->channels[i].base = priv->dc_reg + channel_offsets[i]; + } + ++ priv->dc_irq = ipu_map_irq(ipu, IPU_IRQ_DC_FC_1); ++ if (!priv->dc_irq) ++ return -EINVAL; ++ ret = devm_request_irq(dev, priv->dc_irq, dc_irq_handler, 0, NULL, ++ &priv->channels[1]); ++ if (ret < 0) ++ return ret; ++ disable_irq(priv->dc_irq); ++ priv->dp_irq = ipu_map_irq(ipu, IPU_IRQ_DP_SF_END); ++ if (!priv->dp_irq) ++ return -EINVAL; ++ ret = devm_request_irq(dev, priv->dp_irq, dc_irq_handler, 0, NULL, ++ &priv->channels[5]); ++ if (ret < 0) ++ return ret; ++ disable_irq(priv->dp_irq); ++ + writel(DC_WR_CH_CONF_WORD_SIZE_24 | DC_WR_CH_CONF_DISP_ID_PARALLEL(1) | + DC_WR_CH_CONF_PROG_DI_ID, + priv->channels[1].base + DC_WR_CH_CONF); +@@ -404,6 +446,12 @@ + ipu_dc_map_config(priv, IPU_DC_MAP_BGR24, 1, 15, 0xff); /* green */ + ipu_dc_map_config(priv, IPU_DC_MAP_BGR24, 0, 23, 0xff); /* blue */ + ++ /* rgb666 */ ++ ipu_dc_map_clear(priv, IPU_DC_MAP_RGB666); ++ ipu_dc_map_config(priv, IPU_DC_MAP_RGB666, 0, 5, 0xfc); /* blue */ ++ ipu_dc_map_config(priv, IPU_DC_MAP_RGB666, 1, 11, 0xfc); /* green */ ++ ipu_dc_map_config(priv, IPU_DC_MAP_RGB666, 2, 17, 0xfc); /* red */ ++ + return 0; + } + +diff -Nur linux-3.15-rc6.orig/drivers/staging/imx-drm/ipu-v3/ipu-di.c linux-3.15-rc6/drivers/staging/imx-drm/ipu-v3/ipu-di.c +--- linux-3.15-rc6.orig/drivers/staging/imx-drm/ipu-v3/ipu-di.c 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/drivers/staging/imx-drm/ipu-v3/ipu-di.c 2014-05-23 11:26:48.372940255 +0200 +@@ -595,7 +595,7 @@ + } + } + +- if (!sig->clk_pol) ++ if (sig->clk_pol) + di_gen |= DI_GEN_POLARITY_DISP_CLK; + + ipu_di_write(di, di_gen, DI_GENERAL); +diff -Nur linux-3.15-rc6.orig/drivers/staging/imx-drm/ipu-v3/ipu-dmfc.c linux-3.15-rc6/drivers/staging/imx-drm/ipu-v3/ipu-dmfc.c +--- linux-3.15-rc6.orig/drivers/staging/imx-drm/ipu-v3/ipu-dmfc.c 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/drivers/staging/imx-drm/ipu-v3/ipu-dmfc.c 2014-05-23 11:26:48.380940281 +0200 +@@ -28,7 +28,12 @@ + #define DMFC_GENERAL1 0x0014 + #define DMFC_GENERAL2 0x0018 + #define DMFC_IC_CTRL 0x001c +-#define DMFC_STAT 0x0020 ++#define DMFC_WR_CHAN_ALT 0x0020 ++#define DMFC_WR_CHAN_DEF_ALT 0x0024 ++#define DMFC_DP_CHAN_ALT 0x0028 ++#define DMFC_DP_CHAN_DEF_ALT 0x002c ++#define DMFC_GENERAL1_ALT 0x0030 ++#define DMFC_STAT 0x0034 + + #define DMFC_WR_CHAN_1_28 0 + #define DMFC_WR_CHAN_2_41 8 +@@ -133,6 +138,20 @@ + } + EXPORT_SYMBOL_GPL(ipu_dmfc_enable_channel); + ++static void ipu_dmfc_wait_fifos(struct ipu_dmfc_priv *priv) ++{ ++ unsigned long timeout = jiffies + msecs_to_jiffies(1000); ++ ++ while ((readl(priv->base + DMFC_STAT) & 0x02fff000) != 0x02fff000) { ++ if (time_after(jiffies, timeout)) { ++ dev_warn(priv->dev, ++ "Timeout waiting for DMFC FIFOs to clear\n"); ++ break; ++ } ++ cpu_relax(); ++ } ++} ++ + void ipu_dmfc_disable_channel(struct dmfc_channel *dmfc) + { + struct ipu_dmfc_priv *priv = dmfc->priv; +@@ -141,8 +160,10 @@ + + priv->use_count--; + +- if (!priv->use_count) ++ if (!priv->use_count) { ++ ipu_dmfc_wait_fifos(priv); + ipu_module_disable(priv->ipu, IPU_CONF_DMFC_EN); ++ } + + if (priv->use_count < 0) + priv->use_count = 0; +diff -Nur linux-3.15-rc6.orig/drivers/staging/imx-drm/ipu-v3/ipu-dp.c linux-3.15-rc6/drivers/staging/imx-drm/ipu-v3/ipu-dp.c +--- linux-3.15-rc6.orig/drivers/staging/imx-drm/ipu-v3/ipu-dp.c 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/drivers/staging/imx-drm/ipu-v3/ipu-dp.c 2014-05-23 11:26:48.388940307 +0200 +@@ -215,10 +215,9 @@ + } + EXPORT_SYMBOL_GPL(ipu_dp_setup_channel); + +-int ipu_dp_enable_channel(struct ipu_dp *dp) ++int ipu_dp_enable(struct ipu_soc *ipu) + { +- struct ipu_flow *flow = to_flow(dp); +- struct ipu_dp_priv *priv = flow->priv; ++ struct ipu_dp_priv *priv = ipu->dp_priv; + + mutex_lock(&priv->mutex); + +@@ -227,15 +226,28 @@ + + priv->use_count++; + +- if (dp->foreground) { +- u32 reg; ++ mutex_unlock(&priv->mutex); ++ ++ return 0; ++} ++EXPORT_SYMBOL_GPL(ipu_dp_enable); ++ ++int ipu_dp_enable_channel(struct ipu_dp *dp) ++{ ++ struct ipu_flow *flow = to_flow(dp); ++ struct ipu_dp_priv *priv = flow->priv; ++ u32 reg; ++ ++ if (!dp->foreground) ++ return 0; ++ ++ mutex_lock(&priv->mutex); + +- reg = readl(flow->base + DP_COM_CONF); +- reg |= DP_COM_CONF_FG_EN; +- writel(reg, flow->base + DP_COM_CONF); ++ reg = readl(flow->base + DP_COM_CONF); ++ reg |= DP_COM_CONF_FG_EN; ++ writel(reg, flow->base + DP_COM_CONF); + +- ipu_srm_dp_sync_update(priv->ipu); +- } ++ ipu_srm_dp_sync_update(priv->ipu); + + mutex_unlock(&priv->mutex); + +@@ -247,25 +259,38 @@ + { + struct ipu_flow *flow = to_flow(dp); + struct ipu_dp_priv *priv = flow->priv; ++ u32 reg, csc; ++ ++ if (!dp->foreground) ++ return; + + mutex_lock(&priv->mutex); + +- priv->use_count--; ++ reg = readl(flow->base + DP_COM_CONF); ++ csc = reg & DP_COM_CONF_CSC_DEF_MASK; ++ if (csc == DP_COM_CONF_CSC_DEF_FG) ++ reg &= ~DP_COM_CONF_CSC_DEF_MASK; ++ ++ reg &= ~DP_COM_CONF_FG_EN; ++ writel(reg, flow->base + DP_COM_CONF); ++ ++ writel(0, flow->base + DP_FG_POS); ++ ipu_srm_dp_sync_update(priv->ipu); ++ ++ if (ipu_idmac_channel_busy(priv->ipu, IPUV3_CHANNEL_MEM_BG_SYNC)) ++ ipu_wait_interrupt(priv->ipu, IPU_IRQ_DP_SF_END, 50); ++ ++ mutex_unlock(&priv->mutex); ++} ++EXPORT_SYMBOL_GPL(ipu_dp_disable_channel); + +- if (dp->foreground) { +- u32 reg, csc; ++void ipu_dp_disable(struct ipu_soc *ipu) ++{ ++ struct ipu_dp_priv *priv = ipu->dp_priv; + +- reg = readl(flow->base + DP_COM_CONF); +- csc = reg & DP_COM_CONF_CSC_DEF_MASK; +- if (csc == DP_COM_CONF_CSC_DEF_FG) +- reg &= ~DP_COM_CONF_CSC_DEF_MASK; +- +- reg &= ~DP_COM_CONF_FG_EN; +- writel(reg, flow->base + DP_COM_CONF); +- +- writel(0, flow->base + DP_FG_POS); +- ipu_srm_dp_sync_update(priv->ipu); +- } ++ mutex_lock(&priv->mutex); ++ ++ priv->use_count--; + + if (!priv->use_count) + ipu_module_disable(priv->ipu, IPU_CONF_DP_EN); +@@ -275,7 +300,7 @@ + + mutex_unlock(&priv->mutex); + } +-EXPORT_SYMBOL_GPL(ipu_dp_disable_channel); ++EXPORT_SYMBOL_GPL(ipu_dp_disable); + + struct ipu_dp *ipu_dp_get(struct ipu_soc *ipu, unsigned int flow) + { +diff -Nur linux-3.15-rc6.orig/drivers/staging/imx-drm/ipu-v3/ipu-prv.h linux-3.15-rc6/drivers/staging/imx-drm/ipu-v3/ipu-prv.h +--- linux-3.15-rc6.orig/drivers/staging/imx-drm/ipu-v3/ipu-prv.h 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/drivers/staging/imx-drm/ipu-v3/ipu-prv.h 2014-05-23 11:26:48.396940333 +0200 +@@ -185,6 +185,9 @@ + int ipu_module_enable(struct ipu_soc *ipu, u32 mask); + int ipu_module_disable(struct ipu_soc *ipu, u32 mask); + ++bool ipu_idmac_channel_busy(struct ipu_soc *ipu, unsigned int chno); ++int ipu_wait_interrupt(struct ipu_soc *ipu, int irq, int ms); ++ + int ipu_di_init(struct ipu_soc *ipu, struct device *dev, int id, + unsigned long base, u32 module, struct clk *ipu_clk); + void ipu_di_exit(struct ipu_soc *ipu, int id); +diff -Nur linux-3.15-rc6.orig/drivers/staging/imx-drm/ipuv3-crtc.c linux-3.15-rc6/drivers/staging/imx-drm/ipuv3-crtc.c +--- linux-3.15-rc6.orig/drivers/staging/imx-drm/ipuv3-crtc.c 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/drivers/staging/imx-drm/ipuv3-crtc.c 2014-05-23 11:26:48.396940333 +0200 +@@ -60,24 +60,32 @@ + + static void ipu_fb_enable(struct ipu_crtc *ipu_crtc) + { ++ struct ipu_soc *ipu = dev_get_drvdata(ipu_crtc->dev->parent); ++ + if (ipu_crtc->enabled) + return; + +- ipu_di_enable(ipu_crtc->di); +- ipu_dc_enable_channel(ipu_crtc->dc); ++ ipu_dc_enable(ipu); + ipu_plane_enable(ipu_crtc->plane[0]); ++ /* Start DC channel and DI after IDMAC */ ++ ipu_dc_enable_channel(ipu_crtc->dc); ++ ipu_di_enable(ipu_crtc->di); + + ipu_crtc->enabled = 1; + } + + static void ipu_fb_disable(struct ipu_crtc *ipu_crtc) + { ++ struct ipu_soc *ipu = dev_get_drvdata(ipu_crtc->dev->parent); ++ + if (!ipu_crtc->enabled) + return; + +- ipu_plane_disable(ipu_crtc->plane[0]); ++ /* Stop DC channel and DI before IDMAC */ + ipu_dc_disable_channel(ipu_crtc->dc); + ipu_di_disable(ipu_crtc->di); ++ ipu_plane_disable(ipu_crtc->plane[0]); ++ ipu_dc_disable(ipu); + + ipu_crtc->enabled = 0; + } +@@ -158,7 +166,7 @@ + sig_cfg.Vsync_pol = 1; + + sig_cfg.enable_pol = 1; +- sig_cfg.clk_pol = 1; ++ sig_cfg.clk_pol = 0; + sig_cfg.width = mode->hdisplay; + sig_cfg.height = mode->vdisplay; + sig_cfg.pixel_fmt = out_pixel_fmt; +diff -Nur linux-3.15-rc6.orig/drivers/staging/imx-drm/ipuv3-plane.c linux-3.15-rc6/drivers/staging/imx-drm/ipuv3-plane.c +--- linux-3.15-rc6.orig/drivers/staging/imx-drm/ipuv3-plane.c 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/drivers/staging/imx-drm/ipuv3-plane.c 2014-05-23 11:26:48.396940333 +0200 +@@ -239,6 +239,8 @@ + + void ipu_plane_enable(struct ipu_plane *ipu_plane) + { ++ if (ipu_plane->dp) ++ ipu_dp_enable(ipu_plane->ipu); + ipu_dmfc_enable_channel(ipu_plane->dmfc); + ipu_idmac_enable_channel(ipu_plane->ipu_ch); + if (ipu_plane->dp) +@@ -257,6 +259,8 @@ + ipu_dp_disable_channel(ipu_plane->dp); + ipu_idmac_disable_channel(ipu_plane->ipu_ch); + ipu_dmfc_disable_channel(ipu_plane->dmfc); ++ if (ipu_plane->dp) ++ ipu_dp_disable(ipu_plane->ipu); + } + + static void ipu_plane_dpms(struct ipu_plane *ipu_plane, int mode) +diff -Nur linux-3.15-rc6.orig/drivers/staging/imx-drm/Kconfig linux-3.15-rc6/drivers/staging/imx-drm/Kconfig +--- linux-3.15-rc6.orig/drivers/staging/imx-drm/Kconfig 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/drivers/staging/imx-drm/Kconfig 2014-05-23 11:26:48.396940333 +0200 +@@ -35,6 +35,7 @@ + config DRM_IMX_LDB + tristate "Support for LVDS displays" + depends on DRM_IMX && MFD_SYSCON ++ select DRM_PANEL + help + Choose this to enable the internal LVDS Display Bridge (LDB) + found on i.MX53 and i.MX6 processors. +@@ -60,3 +61,20 @@ + depends on DRM_IMX + help + Choose this if you want to use HDMI on i.MX6. ++ ++config DRM_DW_HDMI_AUDIO ++ tristate "Synopsis Designware Audio interface" ++ depends on DRM_IMX_HDMI != n ++ help ++ Support the Audio interface which is part of the Synopsis ++ Designware HDMI block. This is used in conjunction with ++ the i.MX HDMI driver. ++ ++config DRM_DW_HDMI_CEC ++ tristate "Synopsis Designware CEC interface" ++ depends on DRM_IMX_HDMI != n ++ select HDMI_CEC_CORE ++ help ++ Support the CEC interface which is part of the Synposis ++ Designware HDMI block. This is used in conjunction with ++ the i.MX HDMI driver. +diff -Nur linux-3.15-rc6.orig/drivers/staging/imx-drm/Makefile linux-3.15-rc6/drivers/staging/imx-drm/Makefile +--- linux-3.15-rc6.orig/drivers/staging/imx-drm/Makefile 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/drivers/staging/imx-drm/Makefile 2014-05-23 11:26:48.396940333 +0200 +@@ -3,6 +3,7 @@ + + obj-$(CONFIG_DRM_IMX) += imxdrm.o + ++obj-$(CONFIG_DRM_IMX) += drm-ddc-connector.o + obj-$(CONFIG_DRM_IMX_PARALLEL_DISPLAY) += parallel-display.o + obj-$(CONFIG_DRM_IMX_TVE) += imx-tve.o + obj-$(CONFIG_DRM_IMX_LDB) += imx-ldb.o +@@ -11,3 +12,5 @@ + imx-ipuv3-crtc-objs := ipuv3-crtc.o ipuv3-plane.o + obj-$(CONFIG_DRM_IMX_IPUV3) += imx-ipuv3-crtc.o + obj-$(CONFIG_DRM_IMX_HDMI) += imx-hdmi.o ++obj-$(CONFIG_DRM_DW_HDMI_AUDIO) += dw-hdmi-audio.o ++obj-$(CONFIG_DRM_DW_HDMI_CEC) += dw-hdmi-cec.o +diff -Nur linux-3.15-rc6.orig/drivers/staging/imx-drm/parallel-display.c linux-3.15-rc6/drivers/staging/imx-drm/parallel-display.c +--- linux-3.15-rc6.orig/drivers/staging/imx-drm/parallel-display.c 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/drivers/staging/imx-drm/parallel-display.c 2014-05-23 11:26:48.396940333 +0200 +@@ -219,6 +219,8 @@ + imxpd->interface_pix_fmt = V4L2_PIX_FMT_RGB565; + else if (!strcmp(fmt, "bgr666")) + imxpd->interface_pix_fmt = V4L2_PIX_FMT_BGR666; ++ else if (!strcmp(fmt, "rgb666")) ++ imxpd->interface_pix_fmt = V4L2_PIX_FMT_RGB666; + } + + panel_node = of_parse_phandle(np, "fsl,panel", 0); +diff -Nur linux-3.15-rc6.orig/include/linux/cec-dev.h linux-3.15-rc6/include/linux/cec-dev.h +--- linux-3.15-rc6.orig/include/linux/cec-dev.h 1970-01-01 01:00:00.000000000 +0100 ++++ linux-3.15-rc6/include/linux/cec-dev.h 2014-05-23 11:26:48.396940333 +0200 +@@ -0,0 +1,69 @@ ++#ifndef _LINUX_CEC_DEV_H ++#define _LINUX_CEC_DEV_H ++ ++#include ++#include ++#include ++#include ++#include ++ ++#include ++ ++struct device; ++ ++struct cec_dev { ++ struct cdev cdev; ++ dev_t devn; ++ ++ struct mutex mutex; ++ unsigned users; ++ ++ spinlock_t lock; ++ wait_queue_head_t waitq; ++ struct list_head events; ++ u8 write_busy; ++ ++ u8 retries; ++ u16 addresses; ++ u16 physical; ++ ++ int (*open)(struct cec_dev *); ++ void (*release)(struct cec_dev *); ++ void (*send_message)(struct cec_dev *, u8 *, size_t); ++ void (*set_address)(struct cec_dev *, unsigned); ++}; ++ ++void cec_dev_event(struct cec_dev *cec_dev, int type, u8 *msg, size_t len); ++ ++static inline void cec_dev_receive(struct cec_dev *cec_dev, u8 *msg, ++ unsigned len) ++{ ++ cec_dev_event(cec_dev, MESSAGE_TYPE_RECEIVE_SUCCESS, msg, len); ++} ++ ++static inline void cec_dev_send_complete(struct cec_dev *cec_dev, int ack) ++{ ++ cec_dev->retries = 0; ++ cec_dev->write_busy = 0; ++ ++ cec_dev_event(cec_dev, ack ? MESSAGE_TYPE_SEND_SUCCESS : ++ MESSAGE_TYPE_NOACK, NULL, 0); ++} ++ ++static inline void cec_dev_disconnect(struct cec_dev *cec_dev) ++{ ++ cec_dev->physical = 0; ++ cec_dev_event(cec_dev, MESSAGE_TYPE_DISCONNECTED, NULL, 0); ++} ++ ++static inline void cec_dev_connect(struct cec_dev *cec_dev, u32 phys) ++{ ++ cec_dev->physical = phys; ++ cec_dev_event(cec_dev, MESSAGE_TYPE_CONNECTED, NULL, 0); ++} ++ ++void cec_dev_init(struct cec_dev *cec_dev, struct module *); ++int cec_dev_add(struct cec_dev *cec_dev, struct device *, const char *name); ++void cec_dev_remove(struct cec_dev *cec_dev); ++ ++#endif +diff -Nur linux-3.15-rc6.orig/include/linux/mmc/host.h linux-3.15-rc6/include/linux/mmc/host.h +--- linux-3.15-rc6.orig/include/linux/mmc/host.h 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/include/linux/mmc/host.h 2014-05-23 11:26:48.400940347 +0200 +@@ -278,6 +278,7 @@ + #define MMC_CAP2_PACKED_CMD (MMC_CAP2_PACKED_RD | \ + MMC_CAP2_PACKED_WR) + #define MMC_CAP2_NO_PRESCAN_POWERUP (1 << 14) /* Don't power up before scan */ ++#define MMC_CAP2_SDIO_NOTHREAD (1 << 15) + + mmc_pm_flag_t pm_caps; /* supported pm features */ + +@@ -293,6 +294,11 @@ + unsigned long clkgate_delay; + #endif + ++ /* card specific properties to deal with power and reset */ ++ struct regulator *card_regulator; /* External VCC needed by the card */ ++ struct gpio_desc *card_reset_gpios[2]; /* External resets, active low */ ++ struct clk *card_clk; /* External clock needed by the card */ ++ + /* host specific block data */ + unsigned int max_seg_size; /* see blk_queue_max_segment_size */ + unsigned short max_segs; /* see blk_queue_max_segments */ +@@ -391,6 +397,8 @@ + wake_up_process(host->sdio_irq_thread); + } + ++void sdio_run_irqs(struct mmc_host *host); ++ + #ifdef CONFIG_REGULATOR + int mmc_regulator_get_ocrmask(struct regulator *supply); + int mmc_regulator_set_ocr(struct mmc_host *mmc, +diff -Nur linux-3.15-rc6.orig/include/linux/mmc/sdhci.h linux-3.15-rc6/include/linux/mmc/sdhci.h +--- linux-3.15-rc6.orig/include/linux/mmc/sdhci.h 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/include/linux/mmc/sdhci.h 2014-05-23 11:26:48.400940347 +0200 +@@ -57,12 +57,8 @@ + #define SDHCI_QUIRK_BROKEN_CARD_DETECTION (1<<15) + /* Controller reports inverted write-protect state */ + #define SDHCI_QUIRK_INVERTED_WRITE_PROTECT (1<<16) +-/* Controller has nonstandard clock management */ +-#define SDHCI_QUIRK_NONSTANDARD_CLOCK (1<<17) + /* Controller does not like fast PIO transfers */ + #define SDHCI_QUIRK_PIO_NEEDS_DELAY (1<<18) +-/* Controller losing signal/interrupt enable states after reset */ +-#define SDHCI_QUIRK_RESTORE_IRQS_AFTER_RESET (1<<19) + /* Controller has to be forced to use block size of 2048 bytes */ + #define SDHCI_QUIRK_FORCE_BLK_SZ_2048 (1<<20) + /* Controller cannot do multi-block transfers */ +@@ -147,6 +143,7 @@ + + bool runtime_suspended; /* Host is runtime suspended */ + bool bus_on; /* Bus power prevents runtime suspend */ ++ bool preset_enabled; /* Preset is enabled */ + + struct mmc_request *mrq; /* Current request */ + struct mmc_command *cmd; /* Current command */ +@@ -164,8 +161,7 @@ + dma_addr_t adma_addr; /* Mapped ADMA descr. table */ + dma_addr_t align_addr; /* Mapped bounce buffer */ + +- struct tasklet_struct card_tasklet; /* Tasklet structures */ +- struct tasklet_struct finish_tasklet; ++ struct tasklet_struct finish_tasklet; /* Tasklet structures */ + + struct timer_list timer; /* Timer for timeouts */ + +@@ -177,6 +173,13 @@ + unsigned int ocr_avail_mmc; + u32 ocr_mask; /* available voltages */ + ++ unsigned timing; /* Current timing */ ++ ++ u32 thread_isr; ++ ++ /* cached registers */ ++ u32 ier; ++ + wait_queue_head_t buf_ready_int; /* Waitqueue for Buffer Read Ready interrupt */ + unsigned int tuning_done; /* Condition flag set when CMD19 succeeds */ + +diff -Nur linux-3.15-rc6.orig/include/uapi/linux/cec-dev.h linux-3.15-rc6/include/uapi/linux/cec-dev.h +--- linux-3.15-rc6.orig/include/uapi/linux/cec-dev.h 1970-01-01 01:00:00.000000000 +0100 ++++ linux-3.15-rc6/include/uapi/linux/cec-dev.h 2014-05-23 11:26:48.400940347 +0200 +@@ -0,0 +1,34 @@ ++#ifndef _UAPI_LINUX_CEC_DEV_H ++#define _UAPI_LINUX_CEC_DEV_H ++ ++#include ++#include ++ ++#define MAX_MESSAGE_LEN 16 ++ ++enum { ++ HDMICEC_IOC_MAGIC = 'H', ++ /* This is wrong: we pass the argument as a number, not a pointer */ ++ HDMICEC_IOC_O_SETLOGICALADDRESS = _IOW(HDMICEC_IOC_MAGIC, 1, unsigned char), ++ HDMICEC_IOC_SETLOGICALADDRESS = _IO(HDMICEC_IOC_MAGIC, 1), ++ HDMICEC_IOC_STARTDEVICE = _IO(HDMICEC_IOC_MAGIC, 2), ++ HDMICEC_IOC_STOPDEVICE = _IO(HDMICEC_IOC_MAGIC, 3), ++ HDMICEC_IOC_GETPHYADDRESS = _IOR(HDMICEC_IOC_MAGIC, 4, unsigned char[4]), ++}; ++ ++enum { ++ MESSAGE_TYPE_RECEIVE_SUCCESS = 1, ++ MESSAGE_TYPE_NOACK, ++ MESSAGE_TYPE_DISCONNECTED, ++ MESSAGE_TYPE_CONNECTED, ++ MESSAGE_TYPE_SEND_SUCCESS, ++ MESSAGE_TYPE_SEND_ERROR, ++}; ++ ++struct cec_user_event { ++ __u32 event_type; ++ __u32 msg_len; ++ __u8 msg[MAX_MESSAGE_LEN]; ++}; ++ ++#endif +diff -Nur linux-3.15-rc6.orig/include/uapi/linux/videodev2.h linux-3.15-rc6/include/uapi/linux/videodev2.h +--- linux-3.15-rc6.orig/include/uapi/linux/videodev2.h 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/include/uapi/linux/videodev2.h 2014-05-23 11:26:48.400940347 +0200 +@@ -299,6 +299,7 @@ + #define V4L2_PIX_FMT_RGB555X v4l2_fourcc('R', 'G', 'B', 'Q') /* 16 RGB-5-5-5 BE */ + #define V4L2_PIX_FMT_RGB565X v4l2_fourcc('R', 'G', 'B', 'R') /* 16 RGB-5-6-5 BE */ + #define V4L2_PIX_FMT_BGR666 v4l2_fourcc('B', 'G', 'R', 'H') /* 18 BGR-6-6-6 */ ++#define V4L2_PIX_FMT_RGB666 v4l2_fourcc('R', 'G', 'B', 'H') /* 18 RGB-6-6-6 */ + #define V4L2_PIX_FMT_BGR24 v4l2_fourcc('B', 'G', 'R', '3') /* 24 BGR-8-8-8 */ + #define V4L2_PIX_FMT_RGB24 v4l2_fourcc('R', 'G', 'B', '3') /* 24 RGB-8-8-8 */ + #define V4L2_PIX_FMT_BGR32 v4l2_fourcc('B', 'G', 'R', '4') /* 32 BGR-8-8-8-8 */ +diff -Nur linux-3.15-rc6.orig/sound/soc/fsl/imx-pcm-dma.c linux-3.15-rc6/sound/soc/fsl/imx-pcm-dma.c +--- linux-3.15-rc6.orig/sound/soc/fsl/imx-pcm-dma.c 2014-05-21 23:42:02.000000000 +0200 ++++ linux-3.15-rc6/sound/soc/fsl/imx-pcm-dma.c 2014-05-23 11:26:48.400940347 +0200 +@@ -44,7 +44,7 @@ + .buffer_bytes_max = IMX_SSI_DMABUF_SIZE, + .period_bytes_min = 128, + .period_bytes_max = 65535, /* Limited by SDMA engine */ +- .periods_min = 2, ++ .periods_min = 4, + .periods_max = 255, + .fifo_size = 0, + }; diff --git a/target/arm/cubox-i/patches/3.15-rc7/sdma-firmware-cubox-i.patch b/target/arm/cubox-i/patches/3.15-rc7/sdma-firmware-cubox-i.patch new file mode 100644 index 000000000..13f94a208 --- /dev/null +++ b/target/arm/cubox-i/patches/3.15-rc7/sdma-firmware-cubox-i.patch @@ -0,0 +1,131 @@ +diff -Nur linux-3.14.1.orig/firmware/imx/sdma/sdma-imx6q.bin.ihex linux-3.14.1/firmware/imx/sdma/sdma-imx6q.bin.ihex +--- linux-3.14.1.orig/firmware/imx/sdma/sdma-imx6q.bin.ihex 1970-01-01 01:00:00.000000000 +0100 ++++ linux-3.14.1/firmware/imx/sdma/sdma-imx6q.bin.ihex 2014-04-24 07:58:28.028222137 +0200 +@@ -0,0 +1,116 @@ ++:1000000053444D4101000000010000001C000000AD ++:1000100026000000B40000007A0600008202000002 ++:10002000FFFFFFFF00000000FFFFFFFFFFFFFFFFDC ++:10003000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFD0 ++:10004000FFFFFFFFFFFFFFFF6A1A0000FFFFFFFF38 ++:10005000EB020000BB180000FFFFFFFF08040000D8 ++:10006000FFFFFFFFC0030000FFFFFFFFFFFFFFFFD9 ++:10007000FFFFFFFFAB020000FFFFFFFF7B0300005D ++:10008000FFFFFFFFFFFFFFFF4C0400006E040000B6 ++:10009000FFFFFFFF00180000FFFFFFFFFFFFFFFF54 ++:1000A000000000000018000062180000161A00008E ++:1000B000061B0000E3C1DB57E35FE357F352016A1D ++:1000C0008F00D500017D8D00A005EB5D7804037DD8 ++:1000D00079042C7D367C79041F7CEE56000F600677 ++:1000E000057D0965437E0A62417E20980A623E7E54 ++:1000F00009653C7E12051205AD026007037DFB55C4 ++:10010000D36D2B98FB55041DD36DC86A2F7F011F3B ++:1001100003200048E47C5398FB55D76D1500057803 ++:100120000962C86A0962C86AD76D5298FB55D76DD3 ++:100130001500150005780A62C86A0A62C86AD76D98 ++:100140005298FB55D76D15001500150005780B6208 ++:10015000C86A0B62C86AD76D097CDF6D077F000033 ++:10016000EB55004D077DFAC1E35706980700CC68B0 ++:100170000C6813C20AC20398D9C1E3C1DB57E35F1D ++:10018000E357F352216A8F00D500017D8D00A00551 ++:10019000EB5DFB567804037D79042A7D317C79047C ++:1001A000207C700B1103EB53000F6003057D096584 ++:1001B000377E0A62357E86980A62327E0965307E15 ++:1001C00012051205AD026007027C065A8E98265A67 ++:1001D000277F011F03200048E87C700B1103135395 ++:1001E000AF98150004780962065A0962265AAE983B ++:1001F0001500150004780A62065A0A62265AAE985B ++:1002000015001500150004780B62065A0B62265A79 ++:10021000077C0000EB55004D067DFAC1E357699855 ++:1002200007000C6813C20AC26698700B11031353BF ++:100230006C07017CD9C1FB5E8A066B07017CD9C1C2 ++:10024000F35EDB59D3588F0110010F398B003CC18D ++:100250002B7DC05AC85B4EC1277C88038906E35CAE ++:10026000FF0D1105FF1DBC053E07004D187D7008F0 ++:1002700011007E07097D7D07027D2852E698F8521D ++:10028000DB54BC02CC02097C7C07027D2852EF982B ++:10029000F852D354BC02CC02097D0004DD988B00D7 ++:1002A000C052C85359C1D67D0002CD98FF08BF0087 ++:1002B0007F07157D8804D500017D8D00A005EB5DCD ++:1002C0008F0212021202FF3ADA05027C3E071899E9 ++:1002D000A402DD02027D3E0718995E071899EB55CE ++:1002E0009805EB5DF352FB546A07267D6C07017D90 ++:1002F00055996B07577C6907047D6807027D010EDD ++:100300002F999358D600017D8E009355A005935DDB ++:10031000A00602780255045D1D7C004E087C69072A ++:10032000037D0255177E3C99045D147F8906935026 ++:100330000048017D2799A099150006780255045DB3 ++:100340004F070255245D2F07017CA09917006F0706 ++:10035000017C012093559D000700A7D9F598D36C27 ++:100360006907047D6807027D010E64999358D600E1 ++:10037000017D8E009355A005935DA006027802557D ++:10038000C86D0F7C004E087C6907037D0255097E0D ++:100390007199C86D067F890693500048017D5C996C ++:1003A000A0999A99C36A6907047D6807027D010EC6 ++:1003B00087999358D600017D8E009355A005935DD3 ++:1003C000A0060278C865045D0F7C004E087C6907B2 ++:1003D000037DC865097E9499045D067F8906935064 ++:1003E0000048017D7F99A09993559D000700FF6CFF ++:1003F000A7D9F5980000E354EB55004D017CF59822 ++:10040000DD98E354EB55FF0A1102FF1A7F07027CC7 ++:10041000A005B4999D008C05BA05A0051002BA0488 ++:10042000AD0454040600E3C1DB57FB52C36AF35228 ++:10043000056A8F00D500017D8D00A005EB5D780475 ++:10044000037D79042B7D1E7C7904337CEE56000FEE ++:10045000FB556007027DC36DD599041DC36DC8624D ++:100460003B7E6006027D10021202096A357F12028D ++:10047000096A327F1202096A2F7F011F0320004898 ++:10048000E77C099AFB55C76D150015001500057826 ++:10049000C8620B6AC8620B6AC76D089AFB55C76DC4 ++:1004A000150015000578C8620A6AC8620A6AC76D35 ++:1004B000089AFB55C76D15000578C862096AC862BD ++:1004C000096AC76D097C286A077F0000EB55004D5B ++:1004D000057DFAC1DB57BF9977C254040AC2BA99A5 ++:1004E000D9C1E3C1DB57F352056A8F00D500017D06 ++:1004F0008D00A005FB567804037D7904297D1F7CBF ++:1005000079042E7CE35D700D1105ED55000F600739 ++:10051000027D0652329A2652337E6005027D100219 ++:100520001202096A2D7F1202096A2A7F1202096AE1 ++:10053000277F011F03200048EA7CE3555D9A1500E0 ++:1005400015001500047806520B6A26520B6A5C9A55 ++:1005500015001500047806520A6A26520A6A5C9A47 ++:10056000150004780652096A2652096A097C286A2D ++:10057000077F0000DB57004D057DFAC1DB571B9A52 ++:1005800077C254040AC2189AE3C1DB57F352056AD2 ++:10059000FB568E02941AC36AC8626902247D941EB7 ++:1005A000C36ED36EC8624802C86A9426981EC36E92 ++:1005B000D36EC8624C02C86A9826C36E981EC36E7A ++:1005C000C8629826C36E6002097CC8626E02247DF0 ++:1005D000096A1E7F0125004D257D849A286A187FAF ++:1005E00004627AC2B89AE36E8F00D805017D8D004F ++:1005F000A005C8626E02107D096A0A7F0120F97C9D ++:10060000286A067F0000004D0D7DFAC1DB576E9A07 ++:10061000070004620C6AB59A286AFA7F04627AC2FB ++:1006200058045404286AF47F0AC26B9AD9C1E3C102 ++:10063000DB57F352056AFB568E02941A0252690286 ++:100640001D7D941E06524802065A9426981E065294 ++:100650004C02065A9826981E065260020A7C98267A ++:1006600006526E02237D096A1D7F0125004D247DFF ++:10067000D19A286A177F04627AC2029B8F00D8053C ++:10068000017D8D00A00506526E02107D096A0A7F69 ++:100690000120F97C286A067F0000004D0D7DFAC11B ++:1006A000DB57C19A070004620C6AFF9A286AFA7F36 ++:1006B00004627AC258045404286AF47F0AC2BE9ABB ++:1006C000016E0B612F7E0B622D7E0B632B7E0C0D5A ++:1006D0001704170417049D04081DCC05017C0C0D9C ++:1006E000D16A000F4207C86FDD6F1C7F8E009D002E ++:1006F00001680B67177ED56B04080278C86F120774 ++:10070000117C0B670F7E04080278C86F12070A7C01 ++:10071000DD6F087FD169010FC86FDD6F037F0101B5 ++:0E0720000004129B0700FF680C680002129B89 ++:00000001FF +diff -Nur linux-3.14.1.orig/firmware/Makefile linux-3.14.1/firmware/Makefile +--- linux-3.14.1.orig/firmware/Makefile 2014-04-14 15:50:10.000000000 +0200 ++++ linux-3.14.1/firmware/Makefile 2014-04-24 13:01:55.802324681 +0200 +@@ -61,6 +61,7 @@ + radeon/RV770_pfp.bin radeon/RV770_me.bin \ + radeon/RV730_pfp.bin radeon/RV730_me.bin \ + radeon/RV710_pfp.bin radeon/RV710_me.bin ++fw-shipped-$(CONFIG_IMX_SDMA) += imx/sdma/sdma-imx6q.bin + fw-shipped-$(CONFIG_DVB_AV7110) += av7110/bootcode.bin + fw-shipped-$(CONFIG_DVB_TTUSB_BUDGET) += ttusb-budget/dspbootcode.bin + fw-shipped-$(CONFIG_E100) += e100/d101m_ucode.bin e100/d101s_ucode.bin \ diff --git a/target/config/Config.in.kernelversion.choice b/target/config/Config.in.kernelversion.choice index d826144c8..f547e4c48 100644 --- a/target/config/Config.in.kernelversion.choice +++ b/target/config/Config.in.kernelversion.choice @@ -6,8 +6,8 @@ prompt "Kernel Version" depends on !ADK_TOOLCHAIN_ONLY && !ADK_CHOOSE_TARGET_ARCH && !ADK_CHOOSE_TARGET_SYSTEM && ADK_TARGET_KERNEL_CUSTOMISING default ADK_KERNEL_VERSION_3_14_4 -config ADK_KERNEL_VERSION_3_15_RC6 - prompt "3.15-rc6" +config ADK_KERNEL_VERSION_3_15_RC7 + prompt "3.15-rc7" boolean select ADK_KERNEL_VERSION_3_15 diff --git a/target/config/Config.in.kernelversion.default b/target/config/Config.in.kernelversion.default index b9d339c27..ef22f67d9 100644 --- a/target/config/Config.in.kernelversion.default +++ b/target/config/Config.in.kernelversion.default @@ -18,7 +18,7 @@ config ADK_KERNEL_VERSION_3_4 config ADK_KERNEL_VERSION string - default "3.15-rc6" if ADK_KERNEL_VERSION_3_15_RC6 + default "3.15-rc7" if ADK_KERNEL_VERSION_3_15_RC7 default "3.14.4" if ADK_KERNEL_VERSION_3_14_4 default "3.12.20" if ADK_KERNEL_VERSION_3_12_20 default "3.10.40" if ADK_KERNEL_VERSION_3_10_40 diff --git a/target/linux/patches/3.15-rc6/bsd-compatibility.patch b/target/linux/patches/3.15-rc6/bsd-compatibility.patch deleted file mode 100644 index b954b658f..000000000 --- a/target/linux/patches/3.15-rc6/bsd-compatibility.patch +++ /dev/null @@ -1,2538 +0,0 @@ -diff -Nur linux-3.11.5.orig/scripts/Makefile.lib linux-3.11.5/scripts/Makefile.lib ---- linux-3.11.5.orig/scripts/Makefile.lib 2013-10-14 03:14:45.000000000 +0200 -+++ linux-3.11.5/scripts/Makefile.lib 2013-10-16 18:09:31.000000000 +0200 -@@ -281,7 +281,12 @@ - size_append = printf $(shell \ - dec_size=0; \ - for F in $1; do \ -- fsize=$$(stat -c "%s" $$F); \ -+ if stat -qs .>/dev/null 2>&1; then \ -+ statcmd='stat -f %z'; \ -+ else \ -+ statcmd='stat -c %s'; \ -+ fi; \ -+ fsize=$$($$statcmd $$F); \ - dec_size=$$(expr $$dec_size + $$fsize); \ - done; \ - printf "%08x\n" $$dec_size | \ -diff -Nur linux-3.11.5.orig/scripts/mod/mk_elfconfig.c linux-3.11.5/scripts/mod/mk_elfconfig.c ---- linux-3.11.5.orig/scripts/mod/mk_elfconfig.c 2013-10-14 03:14:45.000000000 +0200 -+++ linux-3.11.5/scripts/mod/mk_elfconfig.c 2013-10-16 18:09:31.000000000 +0200 -@@ -1,7 +1,18 @@ - #include - #include - #include --#include -+ -+#define EI_NIDENT (16) -+#define ELFMAG "\177ELF" -+ -+#define SELFMAG 4 -+#define EI_CLASS 4 -+#define ELFCLASS32 1 /* 32-bit objects */ -+#define ELFCLASS64 2 /* 64-bit objects */ -+ -+#define EI_DATA 5 /* Data encoding byte index */ -+#define ELFDATA2LSB 1 /* 2's complement, little endian */ -+#define ELFDATA2MSB 2 /* 2's complement, big endian */ - - int - main(int argc, char **argv) -diff -Nur linux-3.11.5.orig/scripts/mod/modpost.h linux-3.11.5/scripts/mod/modpost.h ---- linux-3.11.5.orig/scripts/mod/modpost.h 2013-10-14 03:14:45.000000000 +0200 -+++ linux-3.11.5/scripts/mod/modpost.h 2013-10-16 18:09:31.000000000 +0200 -@@ -7,7 +7,2453 @@ - #include - #include - #include --#include -+ -+ -+/* This file defines standard ELF types, structures, and macros. -+ Copyright (C) 1995-1999,2000,2001,2002,2003 Free Software Foundation, Inc. -+ This file is part of the GNU C Library. -+ -+ The GNU C Library is free software; you can redistribute it and/or -+ modify it under the terms of the GNU Lesser General Public -+ License as published by the Free Software Foundation; either -+ version 2.1 of the License, or (at your option) any later version. -+ -+ The GNU C Library is distributed in the hope that it will be useful, -+ but WITHOUT ANY WARRANTY; without even the implied warranty of -+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -+ Lesser General Public License for more details. -+ -+ You should have received a copy of the GNU Lesser General Public -+ License along with the GNU C Library; if not, write to the Free -+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA -+ 02111-1307 USA. */ -+ -+#ifndef _ELF_H -+#define _ELF_H 1 -+ -+__BEGIN_DECLS -+ -+/* Standard ELF types. */ -+ -+#include -+ -+/* Type for a 16-bit quantity. */ -+typedef uint16_t Elf32_Half; -+typedef uint16_t Elf64_Half; -+ -+/* Types for signed and unsigned 32-bit quantities. */ -+typedef uint32_t Elf32_Word; -+typedef int32_t Elf32_Sword; -+typedef uint32_t Elf64_Word; -+typedef int32_t Elf64_Sword; -+ -+/* Types for signed and unsigned 64-bit quantities. */ -+typedef uint64_t Elf32_Xword; -+typedef int64_t Elf32_Sxword; -+typedef uint64_t Elf64_Xword; -+typedef int64_t Elf64_Sxword; -+ -+/* Type of addresses. */ -+typedef uint32_t Elf32_Addr; -+typedef uint64_t Elf64_Addr; -+ -+/* Type of file offsets. */ -+typedef uint32_t Elf32_Off; -+typedef uint64_t Elf64_Off; -+ -+/* Type for section indices, which are 16-bit quantities. */ -+typedef uint16_t Elf32_Section; -+typedef uint16_t Elf64_Section; -+ -+/* Type for version symbol information. */ -+typedef Elf32_Half Elf32_Versym; -+typedef Elf64_Half Elf64_Versym; -+ -+ -+/* The ELF file header. This appears at the start of every ELF file. */ -+ -+#define EI_NIDENT (16) -+ -+typedef struct -+{ -+ unsigned char e_ident[EI_NIDENT]; /* Magic number and other info */ -+ Elf32_Half e_type; /* Object file type */ -+ Elf32_Half e_machine; /* Architecture */ -+ Elf32_Word e_version; /* Object file version */ -+ Elf32_Addr e_entry; /* Entry point virtual address */ -+ Elf32_Off e_phoff; /* Program header table file offset */ -+ Elf32_Off e_shoff; /* Section header table file offset */ -+ Elf32_Word e_flags; /* Processor-specific flags */ -+ Elf32_Half e_ehsize; /* ELF header size in bytes */ -+ Elf32_Half e_phentsize; /* Program header table entry size */ -+ Elf32_Half e_phnum; /* Program header table entry count */ -+ Elf32_Half e_shentsize; /* Section header table entry size */ -+ Elf32_Half e_shnum; /* Section header table entry count */ -+ Elf32_Half e_shstrndx; /* Section header string table index */ -+} Elf32_Ehdr; -+ -+typedef struct -+{ -+ unsigned char e_ident[EI_NIDENT]; /* Magic number and other info */ -+ Elf64_Half e_type; /* Object file type */ -+ Elf64_Half e_machine; /* Architecture */ -+ Elf64_Word e_version; /* Object file version */ -+ Elf64_Addr e_entry; /* Entry point virtual address */ -+ Elf64_Off e_phoff; /* Program header table file offset */ -+ Elf64_Off e_shoff; /* Section header table file offset */ -+ Elf64_Word e_flags; /* Processor-specific flags */ -+ Elf64_Half e_ehsize; /* ELF header size in bytes */ -+ Elf64_Half e_phentsize; /* Program header table entry size */ -+ Elf64_Half e_phnum; /* Program header table entry count */ -+ Elf64_Half e_shentsize; /* Section header table entry size */ -+ Elf64_Half e_shnum; /* Section header table entry count */ -+ Elf64_Half e_shstrndx; /* Section header string table index */ -+} Elf64_Ehdr; -+ -+/* Fields in the e_ident array. The EI_* macros are indices into the -+ array. The macros under each EI_* macro are the values the byte -+ may have. */ -+ -+#define EI_MAG0 0 /* File identification byte 0 index */ -+#define ELFMAG0 0x7f /* Magic number byte 0 */ -+ -+#define EI_MAG1 1 /* File identification byte 1 index */ -+#define ELFMAG1 'E' /* Magic number byte 1 */ -+ -+#define EI_MAG2 2 /* File identification byte 2 index */ -+#define ELFMAG2 'L' /* Magic number byte 2 */ -+ -+#define EI_MAG3 3 /* File identification byte 3 index */ -+#define ELFMAG3 'F' /* Magic number byte 3 */ -+ -+/* Conglomeration of the identification bytes, for easy testing as a word. */ -+#define ELFMAG "\177ELF" -+#define SELFMAG 4 -+ -+#define EI_CLASS 4 /* File class byte index */ -+#define ELFCLASSNONE 0 /* Invalid class */ -+#define ELFCLASS32 1 /* 32-bit objects */ -+#define ELFCLASS64 2 /* 64-bit objects */ -+#define ELFCLASSNUM 3 -+ -+#define EI_DATA 5 /* Data encoding byte index */ -+#define ELFDATANONE 0 /* Invalid data encoding */ -+#define ELFDATA2LSB 1 /* 2's complement, little endian */ -+#define ELFDATA2MSB 2 /* 2's complement, big endian */ -+#define ELFDATANUM 3 -+ -+#define EI_VERSION 6 /* File version byte index */ -+ /* Value must be EV_CURRENT */ -+ -+#define EI_OSABI 7 /* OS ABI identification */ -+#define ELFOSABI_NONE 0 /* UNIX System V ABI */ -+#define ELFOSABI_SYSV 0 /* Alias. */ -+#define ELFOSABI_HPUX 1 /* HP-UX */ -+#define ELFOSABI_NETBSD 2 /* NetBSD. */ -+#define ELFOSABI_LINUX 3 /* Linux. */ -+#define ELFOSABI_SOLARIS 6 /* Sun Solaris. */ -+#define ELFOSABI_AIX 7 /* IBM AIX. */ -+#define ELFOSABI_IRIX 8 /* SGI Irix. */ -+#define ELFOSABI_FREEBSD 9 /* FreeBSD. */ -+#define ELFOSABI_TRU64 10 /* Compaq TRU64 UNIX. */ -+#define ELFOSABI_MODESTO 11 /* Novell Modesto. */ -+#define ELFOSABI_OPENBSD 12 /* OpenBSD. */ -+#define ELFOSABI_ARM 97 /* ARM */ -+#define ELFOSABI_STANDALONE 255 /* Standalone (embedded) application */ -+ -+#define EI_ABIVERSION 8 /* ABI version */ -+ -+#define EI_PAD 9 /* Byte index of padding bytes */ -+ -+/* Legal values for e_type (object file type). */ -+ -+#define ET_NONE 0 /* No file type */ -+#define ET_REL 1 /* Relocatable file */ -+#define ET_EXEC 2 /* Executable file */ -+#define ET_DYN 3 /* Shared object file */ -+#define ET_CORE 4 /* Core file */ -+#define ET_NUM 5 /* Number of defined types */ -+#define ET_LOOS 0xfe00 /* OS-specific range start */ -+#define ET_HIOS 0xfeff /* OS-specific range end */ -+#define ET_LOPROC 0xff00 /* Processor-specific range start */ -+#define ET_HIPROC 0xffff /* Processor-specific range end */ -+ -+/* Legal values for e_machine (architecture). */ -+ -+#define EM_NONE 0 /* No machine */ -+#define EM_M32 1 /* AT&T WE 32100 */ -+#define EM_SPARC 2 /* SUN SPARC */ -+#define EM_386 3 /* Intel 80386 */ -+#define EM_68K 4 /* Motorola m68k family */ -+#define EM_88K 5 /* Motorola m88k family */ -+#define EM_860 7 /* Intel 80860 */ -+#define EM_MIPS 8 /* MIPS R3000 big-endian */ -+#define EM_S370 9 /* IBM System/370 */ -+#define EM_MIPS_RS3_LE 10 /* MIPS R3000 little-endian */ -+ -+#define EM_PARISC 15 /* HPPA */ -+#define EM_VPP500 17 /* Fujitsu VPP500 */ -+#define EM_SPARC32PLUS 18 /* Sun's "v8plus" */ -+#define EM_960 19 /* Intel 80960 */ -+#define EM_PPC 20 /* PowerPC */ -+#define EM_PPC64 21 /* PowerPC 64-bit */ -+#define EM_S390 22 /* IBM S390 */ -+ -+#define EM_V800 36 /* NEC V800 series */ -+#define EM_FR20 37 /* Fujitsu FR20 */ -+#define EM_RH32 38 /* TRW RH-32 */ -+#define EM_RCE 39 /* Motorola RCE */ -+#define EM_ARM 40 /* ARM */ -+#define EM_FAKE_ALPHA 41 /* Digital Alpha */ -+#define EM_SH 42 /* Hitachi SH */ -+#define EM_SPARCV9 43 /* SPARC v9 64-bit */ -+#define EM_TRICORE 44 /* Siemens Tricore */ -+#define EM_ARC 45 /* Argonaut RISC Core */ -+#define EM_H8_300 46 /* Hitachi H8/300 */ -+#define EM_H8_300H 47 /* Hitachi H8/300H */ -+#define EM_H8S 48 /* Hitachi H8S */ -+#define EM_H8_500 49 /* Hitachi H8/500 */ -+#define EM_IA_64 50 /* Intel Merced */ -+#define EM_MIPS_X 51 /* Stanford MIPS-X */ -+#define EM_COLDFIRE 52 /* Motorola Coldfire */ -+#define EM_68HC12 53 /* Motorola M68HC12 */ -+#define EM_MMA 54 /* Fujitsu MMA Multimedia Accelerator*/ -+#define EM_PCP 55 /* Siemens PCP */ -+#define EM_NCPU 56 /* Sony nCPU embeeded RISC */ -+#define EM_NDR1 57 /* Denso NDR1 microprocessor */ -+#define EM_STARCORE 58 /* Motorola Start*Core processor */ -+#define EM_ME16 59 /* Toyota ME16 processor */ -+#define EM_ST100 60 /* STMicroelectronic ST100 processor */ -+#define EM_TINYJ 61 /* Advanced Logic Corp. Tinyj emb.fam*/ -+#define EM_X86_64 62 /* AMD x86-64 architecture */ -+#define EM_PDSP 63 /* Sony DSP Processor */ -+ -+#define EM_FX66 66 /* Siemens FX66 microcontroller */ -+#define EM_ST9PLUS 67 /* STMicroelectronics ST9+ 8/16 mc */ -+#define EM_ST7 68 /* STmicroelectronics ST7 8 bit mc */ -+#define EM_68HC16 69 /* Motorola MC68HC16 microcontroller */ -+#define EM_68HC11 70 /* Motorola MC68HC11 microcontroller */ -+#define EM_68HC08 71 /* Motorola MC68HC08 microcontroller */ -+#define EM_68HC05 72 /* Motorola MC68HC05 microcontroller */ -+#define EM_SVX 73 /* Silicon Graphics SVx */ -+#define EM_ST19 74 /* STMicroelectronics ST19 8 bit mc */ -+#define EM_VAX 75 /* Digital VAX */ -+#define EM_CRIS 76 /* Axis Communications 32-bit embedded processor */ -+#define EM_JAVELIN 77 /* Infineon Technologies 32-bit embedded processor */ -+#define EM_FIREPATH 78 /* Element 14 64-bit DSP Processor */ -+#define EM_ZSP 79 /* LSI Logic 16-bit DSP Processor */ -+#define EM_MMIX 80 /* Donald Knuth's educational 64-bit processor */ -+#define EM_HUANY 81 /* Harvard University machine-independent object files */ -+#define EM_PRISM 82 /* SiTera Prism */ -+#define EM_AVR 83 /* Atmel AVR 8-bit microcontroller */ -+#define EM_FR30 84 /* Fujitsu FR30 */ -+#define EM_D10V 85 /* Mitsubishi D10V */ -+#define EM_D30V 86 /* Mitsubishi D30V */ -+#define EM_V850 87 /* NEC v850 */ -+#define EM_M32R 88 /* Mitsubishi M32R */ -+#define EM_MN10300 89 /* Matsushita MN10300 */ -+#define EM_MN10200 90 /* Matsushita MN10200 */ -+#define EM_PJ 91 /* picoJava */ -+#define EM_OPENRISC 92 /* OpenRISC 32-bit embedded processor */ -+#define EM_ARC_A5 93 /* ARC Cores Tangent-A5 */ -+#define EM_XTENSA 94 /* Tensilica Xtensa Architecture */ -+#define EM_NUM 95 -+ -+/* If it is necessary to assign new unofficial EM_* values, please -+ pick large random numbers (0x8523, 0xa7f2, etc.) to minimize the -+ chances of collision with official or non-GNU unofficial values. */ -+ -+#define EM_ALPHA 0x9026 -+ -+/* Legal values for e_version (version). */ -+ -+#define EV_NONE 0 /* Invalid ELF version */ -+#define EV_CURRENT 1 /* Current version */ -+#define EV_NUM 2 -+ -+/* Section header. */ -+ -+typedef struct -+{ -+ Elf32_Word sh_name; /* Section name (string tbl index) */ -+ Elf32_Word sh_type; /* Section type */ -+ Elf32_Word sh_flags; /* Section flags */ -+ Elf32_Addr sh_addr; /* Section virtual addr at execution */ -+ Elf32_Off sh_offset; /* Section file offset */ -+ Elf32_Word sh_size; /* Section size in bytes */ -+ Elf32_Word sh_link; /* Link to another section */ -+ Elf32_Word sh_info; /* Additional section information */ -+ Elf32_Word sh_addralign; /* Section alignment */ -+ Elf32_Word sh_entsize; /* Entry size if section holds table */ -+} Elf32_Shdr; -+ -+typedef struct -+{ -+ Elf64_Word sh_name; /* Section name (string tbl index) */ -+ Elf64_Word sh_type; /* Section type */ -+ Elf64_Xword sh_flags; /* Section flags */ -+ Elf64_Addr sh_addr; /* Section virtual addr at execution */ -+ Elf64_Off sh_offset; /* Section file offset */ -+ Elf64_Xword sh_size; /* Section size in bytes */ -+ Elf64_Word sh_link; /* Link to another section */ -+ Elf64_Word sh_info; /* Additional section information */ -+ Elf64_Xword sh_addralign; /* Section alignment */ -+ Elf64_Xword sh_entsize; /* Entry size if section holds table */ -+} Elf64_Shdr; -+ -+/* Special section indices. */ -+ -+#define SHN_UNDEF 0 /* Undefined section */ -+#define SHN_LORESERVE 0xff00 /* Start of reserved indices */ -+#define SHN_LOPROC 0xff00 /* Start of processor-specific */ -+#define SHN_HIPROC 0xff1f /* End of processor-specific */ -+#define SHN_LOOS 0xff20 /* Start of OS-specific */ -+#define SHN_HIOS 0xff3f /* End of OS-specific */ -+#define SHN_ABS 0xfff1 /* Associated symbol is absolute */ -+#define SHN_COMMON 0xfff2 /* Associated symbol is common */ -+#define SHN_XINDEX 0xffff /* Index is in extra table. */ -+#define SHN_HIRESERVE 0xffff /* End of reserved indices */ -+ -+/* Legal values for sh_type (section type). */ -+ -+#define SHT_NULL 0 /* Section header table entry unused */ -+#define SHT_PROGBITS 1 /* Program data */ -+#define SHT_SYMTAB 2 /* Symbol table */ -+#define SHT_STRTAB 3 /* String table */ -+#define SHT_RELA 4 /* Relocation entries with addends */ -+#define SHT_HASH 5 /* Symbol hash table */ -+#define SHT_DYNAMIC 6 /* Dynamic linking information */ -+#define SHT_NOTE 7 /* Notes */ -+#define SHT_NOBITS 8 /* Program space with no data (bss) */ -+#define SHT_REL 9 /* Relocation entries, no addends */ -+#define SHT_SHLIB 10 /* Reserved */ -+#define SHT_DYNSYM 11 /* Dynamic linker symbol table */ -+#define SHT_INIT_ARRAY 14 /* Array of constructors */ -+#define SHT_FINI_ARRAY 15 /* Array of destructors */ -+#define SHT_PREINIT_ARRAY 16 /* Array of pre-constructors */ -+#define SHT_GROUP 17 /* Section group */ -+#define SHT_SYMTAB_SHNDX 18 /* Extended section indeces */ -+#define SHT_NUM 19 /* Number of defined types. */ -+#define SHT_LOOS 0x60000000 /* Start OS-specific */ -+#define SHT_GNU_LIBLIST 0x6ffffff7 /* Prelink library list */ -+#define SHT_CHECKSUM 0x6ffffff8 /* Checksum for DSO content. */ -+#define SHT_LOSUNW 0x6ffffffa /* Sun-specific low bound. */ -+#define SHT_SUNW_move 0x6ffffffa -+#define SHT_SUNW_COMDAT 0x6ffffffb -+#define SHT_SUNW_syminfo 0x6ffffffc -+#define SHT_GNU_verdef 0x6ffffffd /* Version definition section. */ -+#define SHT_GNU_verneed 0x6ffffffe /* Version needs section. */ -+#define SHT_GNU_versym 0x6fffffff /* Version symbol table. */ -+#define SHT_HISUNW 0x6fffffff /* Sun-specific high bound. */ -+#define SHT_HIOS 0x6fffffff /* End OS-specific type */ -+#define SHT_LOPROC 0x70000000 /* Start of processor-specific */ -+#define SHT_HIPROC 0x7fffffff /* End of processor-specific */ -+#define SHT_LOUSER 0x80000000 /* Start of application-specific */ -+#define SHT_HIUSER 0x8fffffff /* End of application-specific */ -+ -+/* Legal values for sh_flags (section flags). */ -+ -+#define SHF_WRITE (1 << 0) /* Writable */ -+#define SHF_ALLOC (1 << 1) /* Occupies memory during execution */ -+#define SHF_EXECINSTR (1 << 2) /* Executable */ -+#define SHF_MERGE (1 << 4) /* Might be merged */ -+#define SHF_STRINGS (1 << 5) /* Contains nul-terminated strings */ -+#define SHF_INFO_LINK (1 << 6) /* `sh_info' contains SHT index */ -+#define SHF_LINK_ORDER (1 << 7) /* Preserve order after combining */ -+#define SHF_OS_NONCONFORMING (1 << 8) /* Non-standard OS specific handling -+ required */ -+#define SHF_GROUP (1 << 9) /* Section is member of a group. */ -+#define SHF_TLS (1 << 10) /* Section hold thread-local data. */ -+#define SHF_MASKOS 0x0ff00000 /* OS-specific. */ -+#define SHF_MASKPROC 0xf0000000 /* Processor-specific */ -+ -+/* Section group handling. */ -+#define GRP_COMDAT 0x1 /* Mark group as COMDAT. */ -+ -+/* Symbol table entry. */ -+ -+typedef struct -+{ -+ Elf32_Word st_name; /* Symbol name (string tbl index) */ -+ Elf32_Addr st_value; /* Symbol value */ -+ Elf32_Word st_size; /* Symbol size */ -+ unsigned char st_info; /* Symbol type and binding */ -+ unsigned char st_other; /* Symbol visibility */ -+ Elf32_Section st_shndx; /* Section index */ -+} Elf32_Sym; -+ -+typedef struct -+{ -+ Elf64_Word st_name; /* Symbol name (string tbl index) */ -+ unsigned char st_info; /* Symbol type and binding */ -+ unsigned char st_other; /* Symbol visibility */ -+ Elf64_Section st_shndx; /* Section index */ -+ Elf64_Addr st_value; /* Symbol value */ -+ Elf64_Xword st_size; /* Symbol size */ -+} Elf64_Sym; -+ -+/* The syminfo section if available contains additional information about -+ every dynamic symbol. */ -+ -+typedef struct -+{ -+ Elf32_Half si_boundto; /* Direct bindings, symbol bound to */ -+ Elf32_Half si_flags; /* Per symbol flags */ -+} Elf32_Syminfo; -+ -+typedef struct -+{ -+ Elf64_Half si_boundto; /* Direct bindings, symbol bound to */ -+ Elf64_Half si_flags; /* Per symbol flags */ -+} Elf64_Syminfo; -+ -+/* Possible values for si_boundto. */ -+#define SYMINFO_BT_SELF 0xffff /* Symbol bound to self */ -+#define SYMINFO_BT_PARENT 0xfffe /* Symbol bound to parent */ -+#define SYMINFO_BT_LOWRESERVE 0xff00 /* Beginning of reserved entries */ -+ -+/* Possible bitmasks for si_flags. */ -+#define SYMINFO_FLG_DIRECT 0x0001 /* Direct bound symbol */ -+#define SYMINFO_FLG_PASSTHRU 0x0002 /* Pass-thru symbol for translator */ -+#define SYMINFO_FLG_COPY 0x0004 /* Symbol is a copy-reloc */ -+#define SYMINFO_FLG_LAZYLOAD 0x0008 /* Symbol bound to object to be lazy -+ loaded */ -+/* Syminfo version values. */ -+#define SYMINFO_NONE 0 -+#define SYMINFO_CURRENT 1 -+#define SYMINFO_NUM 2 -+ -+ -+/* How to extract and insert information held in the st_info field. */ -+ -+#define ELF32_ST_BIND(val) (((unsigned char) (val)) >> 4) -+#define ELF32_ST_TYPE(val) ((val) & 0xf) -+#define ELF32_ST_INFO(bind, type) (((bind) << 4) + ((type) & 0xf)) -+ -+/* Both Elf32_Sym and Elf64_Sym use the same one-byte st_info field. */ -+#define ELF64_ST_BIND(val) ELF32_ST_BIND (val) -+#define ELF64_ST_TYPE(val) ELF32_ST_TYPE (val) -+#define ELF64_ST_INFO(bind, type) ELF32_ST_INFO ((bind), (type)) -+ -+/* Legal values for ST_BIND subfield of st_info (symbol binding). */ -+ -+#define STB_LOCAL 0 /* Local symbol */ -+#define STB_GLOBAL 1 /* Global symbol */ -+#define STB_WEAK 2 /* Weak symbol */ -+#define STB_NUM 3 /* Number of defined types. */ -+#define STB_LOOS 10 /* Start of OS-specific */ -+#define STB_HIOS 12 /* End of OS-specific */ -+#define STB_LOPROC 13 /* Start of processor-specific */ -+#define STB_HIPROC 15 /* End of processor-specific */ -+ -+/* Legal values for ST_TYPE subfield of st_info (symbol type). */ -+ -+#define STT_NOTYPE 0 /* Symbol type is unspecified */ -+#define STT_OBJECT 1 /* Symbol is a data object */ -+#define STT_FUNC 2 /* Symbol is a code object */ -+#define STT_SECTION 3 /* Symbol associated with a section */ -+#define STT_FILE 4 /* Symbol's name is file name */ -+#define STT_COMMON 5 /* Symbol is a common data object */ -+#define STT_TLS 6 /* Symbol is thread-local data object*/ -+#define STT_NUM 7 /* Number of defined types. */ -+#define STT_LOOS 10 /* Start of OS-specific */ -+#define STT_HIOS 12 /* End of OS-specific */ -+#define STT_LOPROC 13 /* Start of processor-specific */ -+#define STT_HIPROC 15 /* End of processor-specific */ -+ -+ -+/* Symbol table indices are found in the hash buckets and chain table -+ of a symbol hash table section. This special index value indicates -+ the end of a chain, meaning no further symbols are found in that bucket. */ -+ -+#define STN_UNDEF 0 /* End of a chain. */ -+ -+ -+/* How to extract and insert information held in the st_other field. */ -+ -+#define ELF32_ST_VISIBILITY(o) ((o) & 0x03) -+ -+/* For ELF64 the definitions are the same. */ -+#define ELF64_ST_VISIBILITY(o) ELF32_ST_VISIBILITY (o) -+ -+/* Symbol visibility specification encoded in the st_other field. */ -+#define STV_DEFAULT 0 /* Default symbol visibility rules */ -+#define STV_INTERNAL 1 /* Processor specific hidden class */ -+#define STV_HIDDEN 2 /* Sym unavailable in other modules */ -+#define STV_PROTECTED 3 /* Not preemptible, not exported */ -+ -+ -+/* Relocation table entry without addend (in section of type SHT_REL). */ -+ -+typedef struct -+{ -+ Elf32_Addr r_offset; /* Address */ -+ Elf32_Word r_info; /* Relocation type and symbol index */ -+} Elf32_Rel; -+ -+/* I have seen two different definitions of the Elf64_Rel and -+ Elf64_Rela structures, so we'll leave them out until Novell (or -+ whoever) gets their act together. */ -+/* The following, at least, is used on Sparc v9, MIPS, and Alpha. */ -+ -+typedef struct -+{ -+ Elf64_Addr r_offset; /* Address */ -+ Elf64_Xword r_info; /* Relocation type and symbol index */ -+} Elf64_Rel; -+ -+/* Relocation table entry with addend (in section of type SHT_RELA). */ -+ -+typedef struct -+{ -+ Elf32_Addr r_offset; /* Address */ -+ Elf32_Word r_info; /* Relocation type and symbol index */ -+ Elf32_Sword r_addend; /* Addend */ -+} Elf32_Rela; -+ -+typedef struct -+{ -+ Elf64_Addr r_offset; /* Address */ -+ Elf64_Xword r_info; /* Relocation type and symbol index */ -+ Elf64_Sxword r_addend; /* Addend */ -+} Elf64_Rela; -+ -+/* How to extract and insert information held in the r_info field. */ -+ -+#define ELF32_R_SYM(val) ((val) >> 8) -+#define ELF32_R_TYPE(val) ((val) & 0xff) -+#define ELF32_R_INFO(sym, type) (((sym) << 8) + ((type) & 0xff)) -+ -+#define ELF64_R_SYM(i) ((i) >> 32) -+#define ELF64_R_TYPE(i) ((i) & 0xffffffff) -+#define ELF64_R_INFO(sym,type) ((((Elf64_Xword) (sym)) << 32) + (type)) -+ -+/* Program segment header. */ -+ -+typedef struct -+{ -+ Elf32_Word p_type; /* Segment type */ -+ Elf32_Off p_offset; /* Segment file offset */ -+ Elf32_Addr p_vaddr; /* Segment virtual address */ -+ Elf32_Addr p_paddr; /* Segment physical address */ -+ Elf32_Word p_filesz; /* Segment size in file */ -+ Elf32_Word p_memsz; /* Segment size in memory */ -+ Elf32_Word p_flags; /* Segment flags */ -+ Elf32_Word p_align; /* Segment alignment */ -+} Elf32_Phdr; -+ -+typedef struct -+{ -+ Elf64_Word p_type; /* Segment type */ -+ Elf64_Word p_flags; /* Segment flags */ -+ Elf64_Off p_offset; /* Segment file offset */ -+ Elf64_Addr p_vaddr; /* Segment virtual address */ -+ Elf64_Addr p_paddr; /* Segment physical address */ -+ Elf64_Xword p_filesz; /* Segment size in file */ -+ Elf64_Xword p_memsz; /* Segment size in memory */ -+ Elf64_Xword p_align; /* Segment alignment */ -+} Elf64_Phdr; -+ -+/* Legal values for p_type (segment type). */ -+ -+#define PT_NULL 0 /* Program header table entry unused */ -+#define PT_LOAD 1 /* Loadable program segment */ -+#define PT_DYNAMIC 2 /* Dynamic linking information */ -+#define PT_INTERP 3 /* Program interpreter */ -+#define PT_NOTE 4 /* Auxiliary information */ -+#define PT_SHLIB 5 /* Reserved */ -+#define PT_PHDR 6 /* Entry for header table itself */ -+#define PT_TLS 7 /* Thread-local storage segment */ -+#define PT_NUM 8 /* Number of defined types */ -+#define PT_LOOS 0x60000000 /* Start of OS-specific */ -+#define PT_GNU_EH_FRAME 0x6474e550 /* GCC .eh_frame_hdr segment */ -+#define PT_GNU_STACK 0x6474e551 /* Indicates stack executability */ -+#define PT_LOSUNW 0x6ffffffa -+#define PT_SUNWBSS 0x6ffffffa /* Sun Specific segment */ -+#define PT_SUNWSTACK 0x6ffffffb /* Stack segment */ -+#define PT_HISUNW 0x6fffffff -+#define PT_HIOS 0x6fffffff /* End of OS-specific */ -+#define PT_LOPROC 0x70000000 /* Start of processor-specific */ -+#define PT_HIPROC 0x7fffffff /* End of processor-specific */ -+ -+/* Legal values for p_flags (segment flags). */ -+ -+#define PF_X (1 << 0) /* Segment is executable */ -+#define PF_W (1 << 1) /* Segment is writable */ -+#define PF_R (1 << 2) /* Segment is readable */ -+#define PF_MASKOS 0x0ff00000 /* OS-specific */ -+#define PF_MASKPROC 0xf0000000 /* Processor-specific */ -+ -+/* Legal values for note segment descriptor types for core files. */ -+ -+#define NT_PRSTATUS 1 /* Contains copy of prstatus struct */ -+#define NT_FPREGSET 2 /* Contains copy of fpregset struct */ -+#define NT_PRPSINFO 3 /* Contains copy of prpsinfo struct */ -+#define NT_PRXREG 4 /* Contains copy of prxregset struct */ -+#define NT_TASKSTRUCT 4 /* Contains copy of task structure */ -+#define NT_PLATFORM 5 /* String from sysinfo(SI_PLATFORM) */ -+#define NT_AUXV 6 /* Contains copy of auxv array */ -+#define NT_GWINDOWS 7 /* Contains copy of gwindows struct */ -+#define NT_ASRS 8 /* Contains copy of asrset struct */ -+#define NT_PSTATUS 10 /* Contains copy of pstatus struct */ -+#define NT_PSINFO 13 /* Contains copy of psinfo struct */ -+#define NT_PRCRED 14 /* Contains copy of prcred struct */ -+#define NT_UTSNAME 15 /* Contains copy of utsname struct */ -+#define NT_LWPSTATUS 16 /* Contains copy of lwpstatus struct */ -+#define NT_LWPSINFO 17 /* Contains copy of lwpinfo struct */ -+#define NT_PRFPXREG 20 /* Contains copy of fprxregset struct*/ -+ -+/* Legal values for the note segment descriptor types for object files. */ -+ -+#define NT_VERSION 1 /* Contains a version string. */ -+ -+ -+/* Dynamic section entry. */ -+ -+typedef struct -+{ -+ Elf32_Sword d_tag; /* Dynamic entry type */ -+ union -+ { -+ Elf32_Word d_val; /* Integer value */ -+ Elf32_Addr d_ptr; /* Address value */ -+ } d_un; -+} Elf32_Dyn; -+ -+typedef struct -+{ -+ Elf64_Sxword d_tag; /* Dynamic entry type */ -+ union -+ { -+ Elf64_Xword d_val; /* Integer value */ -+ Elf64_Addr d_ptr; /* Address value */ -+ } d_un; -+} Elf64_Dyn; -+ -+/* Legal values for d_tag (dynamic entry type). */ -+ -+#define DT_NULL 0 /* Marks end of dynamic section */ -+#define DT_NEEDED 1 /* Name of needed library */ -+#define DT_PLTRELSZ 2 /* Size in bytes of PLT relocs */ -+#define DT_PLTGOT 3 /* Processor defined value */ -+#define DT_HASH 4 /* Address of symbol hash table */ -+#define DT_STRTAB 5 /* Address of string table */ -+#define DT_SYMTAB 6 /* Address of symbol table */ -+#define DT_RELA 7 /* Address of Rela relocs */ -+#define DT_RELASZ 8 /* Total size of Rela relocs */ -+#define DT_RELAENT 9 /* Size of one Rela reloc */ -+#define DT_STRSZ 10 /* Size of string table */ -+#define DT_SYMENT 11 /* Size of one symbol table entry */ -+#define DT_INIT 12 /* Address of init function */ -+#define DT_FINI 13 /* Address of termination function */ -+#define DT_SONAME 14 /* Name of shared object */ -+#define DT_RPATH 15 /* Library search path (deprecated) */ -+#define DT_SYMBOLIC 16 /* Start symbol search here */ -+#define DT_REL 17 /* Address of Rel relocs */ -+#define DT_RELSZ 18 /* Total size of Rel relocs */ -+#define DT_RELENT 19 /* Size of one Rel reloc */ -+#define DT_PLTREL 20 /* Type of reloc in PLT */ -+#define DT_DEBUG 21 /* For debugging; unspecified */ -+#define DT_TEXTREL 22 /* Reloc might modify .text */ -+#define DT_JMPREL 23 /* Address of PLT relocs */ -+#define DT_BIND_NOW 24 /* Process relocations of object */ -+#define DT_INIT_ARRAY 25 /* Array with addresses of init fct */ -+#define DT_FINI_ARRAY 26 /* Array with addresses of fini fct */ -+#define DT_INIT_ARRAYSZ 27 /* Size in bytes of DT_INIT_ARRAY */ -+#define DT_FINI_ARRAYSZ 28 /* Size in bytes of DT_FINI_ARRAY */ -+#define DT_RUNPATH 29 /* Library search path */ -+#define DT_FLAGS 30 /* Flags for the object being loaded */ -+#define DT_ENCODING 32 /* Start of encoded range */ -+#define DT_PREINIT_ARRAY 32 /* Array with addresses of preinit fct*/ -+#define DT_PREINIT_ARRAYSZ 33 /* size in bytes of DT_PREINIT_ARRAY */ -+#define DT_NUM 34 /* Number used */ -+#define DT_LOOS 0x6000000d /* Start of OS-specific */ -+#define DT_HIOS 0x6ffff000 /* End of OS-specific */ -+#define DT_LOPROC 0x70000000 /* Start of processor-specific */ -+#define DT_HIPROC 0x7fffffff /* End of processor-specific */ -+#define DT_PROCNUM DT_MIPS_NUM /* Most used by any processor */ -+ -+/* DT_* entries which fall between DT_VALRNGHI & DT_VALRNGLO use the -+ Dyn.d_un.d_val field of the Elf*_Dyn structure. This follows Sun's -+ approach. */ -+#define DT_VALRNGLO 0x6ffffd00 -+#define DT_GNU_PRELINKED 0x6ffffdf5 /* Prelinking timestamp */ -+#define DT_GNU_CONFLICTSZ 0x6ffffdf6 /* Size of conflict section */ -+#define DT_GNU_LIBLISTSZ 0x6ffffdf7 /* Size of library list */ -+#define DT_CHECKSUM 0x6ffffdf8 -+#define DT_PLTPADSZ 0x6ffffdf9 -+#define DT_MOVEENT 0x6ffffdfa -+#define DT_MOVESZ 0x6ffffdfb -+#define DT_FEATURE_1 0x6ffffdfc /* Feature selection (DTF_*). */ -+#define DT_POSFLAG_1 0x6ffffdfd /* Flags for DT_* entries, effecting -+ the following DT_* entry. */ -+#define DT_SYMINSZ 0x6ffffdfe /* Size of syminfo table (in bytes) */ -+#define DT_SYMINENT 0x6ffffdff /* Entry size of syminfo */ -+#define DT_VALRNGHI 0x6ffffdff -+#define DT_VALTAGIDX(tag) (DT_VALRNGHI - (tag)) /* Reverse order! */ -+#define DT_VALNUM 12 -+ -+/* DT_* entries which fall between DT_ADDRRNGHI & DT_ADDRRNGLO use the -+ Dyn.d_un.d_ptr field of the Elf*_Dyn structure. -+ -+ If any adjustment is made to the ELF object after it has been -+ built these entries will need to be adjusted. */ -+#define DT_ADDRRNGLO 0x6ffffe00 -+#define DT_GNU_CONFLICT 0x6ffffef8 /* Start of conflict section */ -+#define DT_GNU_LIBLIST 0x6ffffef9 /* Library list */ -+#define DT_CONFIG 0x6ffffefa /* Configuration information. */ -+#define DT_DEPAUDIT 0x6ffffefb /* Dependency auditing. */ -+#define DT_AUDIT 0x6ffffefc /* Object auditing. */ -+#define DT_PLTPAD 0x6ffffefd /* PLT padding. */ -+#define DT_MOVETAB 0x6ffffefe /* Move table. */ -+#define DT_SYMINFO 0x6ffffeff /* Syminfo table. */ -+#define DT_ADDRRNGHI 0x6ffffeff -+#define DT_ADDRTAGIDX(tag) (DT_ADDRRNGHI - (tag)) /* Reverse order! */ -+#define DT_ADDRNUM 10 -+ -+/* The versioning entry types. The next are defined as part of the -+ GNU extension. */ -+#define DT_VERSYM 0x6ffffff0 -+ -+#define DT_RELACOUNT 0x6ffffff9 -+#define DT_RELCOUNT 0x6ffffffa -+ -+/* These were chosen by Sun. */ -+#define DT_FLAGS_1 0x6ffffffb /* State flags, see DF_1_* below. */ -+#define DT_VERDEF 0x6ffffffc /* Address of version definition -+ table */ -+#define DT_VERDEFNUM 0x6ffffffd /* Number of version definitions */ -+#define DT_VERNEED 0x6ffffffe /* Address of table with needed -+ versions */ -+#define DT_VERNEEDNUM 0x6fffffff /* Number of needed versions */ -+#define DT_VERSIONTAGIDX(tag) (DT_VERNEEDNUM - (tag)) /* Reverse order! */ -+#define DT_VERSIONTAGNUM 16 -+ -+/* Sun added these machine-independent extensions in the "processor-specific" -+ range. Be compatible. */ -+#define DT_AUXILIARY 0x7ffffffd /* Shared object to load before self */ -+#define DT_FILTER 0x7fffffff /* Shared object to get values from */ -+#define DT_EXTRATAGIDX(tag) ((Elf32_Word)-((Elf32_Sword) (tag) <<1>>1)-1) -+#define DT_EXTRANUM 3 -+ -+/* Values of `d_un.d_val' in the DT_FLAGS entry. */ -+#define DF_ORIGIN 0x00000001 /* Object may use DF_ORIGIN */ -+#define DF_SYMBOLIC 0x00000002 /* Symbol resolutions starts here */ -+#define DF_TEXTREL 0x00000004 /* Object contains text relocations */ -+#define DF_BIND_NOW 0x00000008 /* No lazy binding for this object */ -+#define DF_STATIC_TLS 0x00000010 /* Module uses the static TLS model */ -+ -+/* State flags selectable in the `d_un.d_val' element of the DT_FLAGS_1 -+ entry in the dynamic section. */ -+#define DF_1_NOW 0x00000001 /* Set RTLD_NOW for this object. */ -+#define DF_1_GLOBAL 0x00000002 /* Set RTLD_GLOBAL for this object. */ -+#define DF_1_GROUP 0x00000004 /* Set RTLD_GROUP for this object. */ -+#define DF_1_NODELETE 0x00000008 /* Set RTLD_NODELETE for this object.*/ -+#define DF_1_LOADFLTR 0x00000010 /* Trigger filtee loading at runtime.*/ -+#define DF_1_INITFIRST 0x00000020 /* Set RTLD_INITFIRST for this object*/ -+#define DF_1_NOOPEN 0x00000040 /* Set RTLD_NOOPEN for this object. */ -+#define DF_1_ORIGIN 0x00000080 /* $ORIGIN must be handled. */ -+#define DF_1_DIRECT 0x00000100 /* Direct binding enabled. */ -+#define DF_1_TRANS 0x00000200 -+#define DF_1_INTERPOSE 0x00000400 /* Object is used to interpose. */ -+#define DF_1_NODEFLIB 0x00000800 /* Ignore default lib search path. */ -+#define DF_1_NODUMP 0x00001000 /* Object can't be dldump'ed. */ -+#define DF_1_CONFALT 0x00002000 /* Configuration alternative created.*/ -+#define DF_1_ENDFILTEE 0x00004000 /* Filtee terminates filters search. */ -+#define DF_1_DISPRELDNE 0x00008000 /* Disp reloc applied at build time. */ -+#define DF_1_DISPRELPND 0x00010000 /* Disp reloc applied at run-time. */ -+ -+/* Flags for the feature selection in DT_FEATURE_1. */ -+#define DTF_1_PARINIT 0x00000001 -+#define DTF_1_CONFEXP 0x00000002 -+ -+/* Flags in the DT_POSFLAG_1 entry effecting only the next DT_* entry. */ -+#define DF_P1_LAZYLOAD 0x00000001 /* Lazyload following object. */ -+#define DF_P1_GROUPPERM 0x00000002 /* Symbols from next object are not -+ generally available. */ -+ -+/* Version definition sections. */ -+ -+typedef struct -+{ -+ Elf32_Half vd_version; /* Version revision */ -+ Elf32_Half vd_flags; /* Version information */ -+ Elf32_Half vd_ndx; /* Version Index */ -+ Elf32_Half vd_cnt; /* Number of associated aux entries */ -+ Elf32_Word vd_hash; /* Version name hash value */ -+ Elf32_Word vd_aux; /* Offset in bytes to verdaux array */ -+ Elf32_Word vd_next; /* Offset in bytes to next verdef -+ entry */ -+} Elf32_Verdef; -+ -+typedef struct -+{ -+ Elf64_Half vd_version; /* Version revision */ -+ Elf64_Half vd_flags; /* Version information */ -+ Elf64_Half vd_ndx; /* Version Index */ -+ Elf64_Half vd_cnt; /* Number of associated aux entries */ -+ Elf64_Word vd_hash; /* Version name hash value */ -+ Elf64_Word vd_aux; /* Offset in bytes to verdaux array */ -+ Elf64_Word vd_next; /* Offset in bytes to next verdef -+ entry */ -+} Elf64_Verdef; -+ -+ -+/* Legal values for vd_version (version revision). */ -+#define VER_DEF_NONE 0 /* No version */ -+#define VER_DEF_CURRENT 1 /* Current version */ -+#define VER_DEF_NUM 2 /* Given version number */ -+ -+/* Legal values for vd_flags (version information flags). */ -+#define VER_FLG_BASE 0x1 /* Version definition of file itself */ -+#define VER_FLG_WEAK 0x2 /* Weak version identifier */ -+ -+/* Versym symbol index values. */ -+#define VER_NDX_LOCAL 0 /* Symbol is local. */ -+#define VER_NDX_GLOBAL 1 /* Symbol is global. */ -+#define VER_NDX_LORESERVE 0xff00 /* Beginning of reserved entries. */ -+#define VER_NDX_ELIMINATE 0xff01 /* Symbol is to be eliminated. */ -+ -+/* Auxialiary version information. */ -+ -+typedef struct -+{ -+ Elf32_Word vda_name; /* Version or dependency names */ -+ Elf32_Word vda_next; /* Offset in bytes to next verdaux -+ entry */ -+} Elf32_Verdaux; -+ -+typedef struct -+{ -+ Elf64_Word vda_name; /* Version or dependency names */ -+ Elf64_Word vda_next; /* Offset in bytes to next verdaux -+ entry */ -+} Elf64_Verdaux; -+ -+ -+/* Version dependency section. */ -+ -+typedef struct -+{ -+ Elf32_Half vn_version; /* Version of structure */ -+ Elf32_Half vn_cnt; /* Number of associated aux entries */ -+ Elf32_Word vn_file; /* Offset of filename for this -+ dependency */ -+ Elf32_Word vn_aux; /* Offset in bytes to vernaux array */ -+ Elf32_Word vn_next; /* Offset in bytes to next verneed -+ entry */ -+} Elf32_Verneed; -+ -+typedef struct -+{ -+ Elf64_Half vn_version; /* Version of structure */ -+ Elf64_Half vn_cnt; /* Number of associated aux entries */ -+ Elf64_Word vn_file; /* Offset of filename for this -+ dependency */ -+ Elf64_Word vn_aux; /* Offset in bytes to vernaux array */ -+ Elf64_Word vn_next; /* Offset in bytes to next verneed -+ entry */ -+} Elf64_Verneed; -+ -+ -+/* Legal values for vn_version (version revision). */ -+#define VER_NEED_NONE 0 /* No version */ -+#define VER_NEED_CURRENT 1 /* Current version */ -+#define VER_NEED_NUM 2 /* Given version number */ -+ -+/* Auxiliary needed version information. */ -+ -+typedef struct -+{ -+ Elf32_Word vna_hash; /* Hash value of dependency name */ -+ Elf32_Half vna_flags; /* Dependency specific information */ -+ Elf32_Half vna_other; /* Unused */ -+ Elf32_Word vna_name; /* Dependency name string offset */ -+ Elf32_Word vna_next; /* Offset in bytes to next vernaux -+ entry */ -+} Elf32_Vernaux; -+ -+typedef struct -+{ -+ Elf64_Word vna_hash; /* Hash value of dependency name */ -+ Elf64_Half vna_flags; /* Dependency specific information */ -+ Elf64_Half vna_other; /* Unused */ -+ Elf64_Word vna_name; /* Dependency name string offset */ -+ Elf64_Word vna_next; /* Offset in bytes to next vernaux -+ entry */ -+} Elf64_Vernaux; -+ -+ -+/* Legal values for vna_flags. */ -+#define VER_FLG_WEAK 0x2 /* Weak version identifier */ -+ -+ -+/* Auxiliary vector. */ -+ -+/* This vector is normally only used by the program interpreter. The -+ usual definition in an ABI supplement uses the name auxv_t. The -+ vector is not usually defined in a standard file, but it -+ can't hurt. We rename it to avoid conflicts. The sizes of these -+ types are an arrangement between the exec server and the program -+ interpreter, so we don't fully specify them here. */ -+ -+typedef struct -+{ -+ int a_type; /* Entry type */ -+ union -+ { -+ long int a_val; /* Integer value */ -+ void *a_ptr; /* Pointer value */ -+ void (*a_fcn) (void); /* Function pointer value */ -+ } a_un; -+} Elf32_auxv_t; -+ -+typedef struct -+{ -+ long int a_type; /* Entry type */ -+ union -+ { -+ long int a_val; /* Integer value */ -+ void *a_ptr; /* Pointer value */ -+ void (*a_fcn) (void); /* Function pointer value */ -+ } a_un; -+} Elf64_auxv_t; -+ -+/* Legal values for a_type (entry type). */ -+ -+#define AT_NULL 0 /* End of vector */ -+#define AT_IGNORE 1 /* Entry should be ignored */ -+#define AT_EXECFD 2 /* File descriptor of program */ -+#define AT_PHDR 3 /* Program headers for program */ -+#define AT_PHENT 4 /* Size of program header entry */ -+#define AT_PHNUM 5 /* Number of program headers */ -+#define AT_PAGESZ 6 /* System page size */ -+#define AT_BASE 7 /* Base address of interpreter */ -+#define AT_FLAGS 8 /* Flags */ -+#define AT_ENTRY 9 /* Entry point of program */ -+#define AT_NOTELF 10 /* Program is not ELF */ -+#define AT_UID 11 /* Real uid */ -+#define AT_EUID 12 /* Effective uid */ -+#define AT_GID 13 /* Real gid */ -+#define AT_EGID 14 /* Effective gid */ -+#define AT_CLKTCK 17 /* Frequency of times() */ -+ -+/* Some more special a_type values describing the hardware. */ -+#define AT_PLATFORM 15 /* String identifying platform. */ -+#define AT_HWCAP 16 /* Machine dependent hints about -+ processor capabilities. */ -+ -+/* This entry gives some information about the FPU initialization -+ performed by the kernel. */ -+#define AT_FPUCW 18 /* Used FPU control word. */ -+ -+/* Cache block sizes. */ -+#define AT_DCACHEBSIZE 19 /* Data cache block size. */ -+#define AT_ICACHEBSIZE 20 /* Instruction cache block size. */ -+#define AT_UCACHEBSIZE 21 /* Unified cache block size. */ -+ -+/* A special ignored value for PPC, used by the kernel to control the -+ interpretation of the AUXV. Must be > 16. */ -+#define AT_IGNOREPPC 22 /* Entry should be ignored. */ -+ -+#define AT_SECURE 23 /* Boolean, was exec setuid-like? */ -+ -+/* Pointer to the global system page used for system calls and other -+ nice things. */ -+#define AT_SYSINFO 32 -+#define AT_SYSINFO_EHDR 33 -+ -+ -+/* Note section contents. Each entry in the note section begins with -+ a header of a fixed form. */ -+ -+typedef struct -+{ -+ Elf32_Word n_namesz; /* Length of the note's name. */ -+ Elf32_Word n_descsz; /* Length of the note's descriptor. */ -+ Elf32_Word n_type; /* Type of the note. */ -+} Elf32_Nhdr; -+ -+typedef struct -+{ -+ Elf64_Word n_namesz; /* Length of the note's name. */ -+ Elf64_Word n_descsz; /* Length of the note's descriptor. */ -+ Elf64_Word n_type; /* Type of the note. */ -+} Elf64_Nhdr; -+ -+/* Known names of notes. */ -+ -+/* Solaris entries in the note section have this name. */ -+#define ELF_NOTE_SOLARIS "SUNW Solaris" -+ -+/* Note entries for GNU systems have this name. */ -+#define ELF_NOTE_GNU "GNU" -+ -+ -+/* Defined types of notes for Solaris. */ -+ -+/* Value of descriptor (one word) is desired pagesize for the binary. */ -+#define ELF_NOTE_PAGESIZE_HINT 1 -+ -+ -+/* Defined note types for GNU systems. */ -+ -+/* ABI information. The descriptor consists of words: -+ word 0: OS descriptor -+ word 1: major version of the ABI -+ word 2: minor version of the ABI -+ word 3: subminor version of the ABI -+*/ -+#define ELF_NOTE_ABI 1 -+ -+/* Known OSes. These value can appear in word 0 of an ELF_NOTE_ABI -+ note section entry. */ -+#define ELF_NOTE_OS_LINUX 0 -+#define ELF_NOTE_OS_GNU 1 -+#define ELF_NOTE_OS_SOLARIS2 2 -+#define ELF_NOTE_OS_FREEBSD 3 -+ -+ -+/* Move records. */ -+typedef struct -+{ -+ Elf32_Xword m_value; /* Symbol value. */ -+ Elf32_Word m_info; /* Size and index. */ -+ Elf32_Word m_poffset; /* Symbol offset. */ -+ Elf32_Half m_repeat; /* Repeat count. */ -+ Elf32_Half m_stride; /* Stride info. */ -+} Elf32_Move; -+ -+typedef struct -+{ -+ Elf64_Xword m_value; /* Symbol value. */ -+ Elf64_Xword m_info; /* Size and index. */ -+ Elf64_Xword m_poffset; /* Symbol offset. */ -+ Elf64_Half m_repeat; /* Repeat count. */ -+ Elf64_Half m_stride; /* Stride info. */ -+} Elf64_Move; -+ -+/* Macro to construct move records. */ -+#define ELF32_M_SYM(info) ((info) >> 8) -+#define ELF32_M_SIZE(info) ((unsigned char) (info)) -+#define ELF32_M_INFO(sym, size) (((sym) << 8) + (unsigned char) (size)) -+ -+#define ELF64_M_SYM(info) ELF32_M_SYM (info) -+#define ELF64_M_SIZE(info) ELF32_M_SIZE (info) -+#define ELF64_M_INFO(sym, size) ELF32_M_INFO (sym, size) -+ -+ -+/* Motorola 68k specific definitions. */ -+ -+/* Values for Elf32_Ehdr.e_flags. */ -+#define EF_CPU32 0x00810000 -+ -+/* m68k relocs. */ -+ -+#define R_68K_NONE 0 /* No reloc */ -+#define R_68K_32 1 /* Direct 32 bit */ -+#define R_68K_16 2 /* Direct 16 bit */ -+#define R_68K_8 3 /* Direct 8 bit */ -+#define R_68K_PC32 4 /* PC relative 32 bit */ -+#define R_68K_PC16 5 /* PC relative 16 bit */ -+#define R_68K_PC8 6 /* PC relative 8 bit */ -+#define R_68K_GOT32 7 /* 32 bit PC relative GOT entry */ -+#define R_68K_GOT16 8 /* 16 bit PC relative GOT entry */ -+#define R_68K_GOT8 9 /* 8 bit PC relative GOT entry */ -+#define R_68K_GOT32O 10 /* 32 bit GOT offset */ -+#define R_68K_GOT16O 11 /* 16 bit GOT offset */ -+#define R_68K_GOT8O 12 /* 8 bit GOT offset */ -+#define R_68K_PLT32 13 /* 32 bit PC relative PLT address */ -+#define R_68K_PLT16 14 /* 16 bit PC relative PLT address */ -+#define R_68K_PLT8 15 /* 8 bit PC relative PLT address */ -+#define R_68K_PLT32O 16 /* 32 bit PLT offset */ -+#define R_68K_PLT16O 17 /* 16 bit PLT offset */ -+#define R_68K_PLT8O 18 /* 8 bit PLT offset */ -+#define R_68K_COPY 19 /* Copy symbol at runtime */ -+#define R_68K_GLOB_DAT 20 /* Create GOT entry */ -+#define R_68K_JMP_SLOT 21 /* Create PLT entry */ -+#define R_68K_RELATIVE 22 /* Adjust by program base */ -+/* Keep this the last entry. */ -+#define R_68K_NUM 23 -+ -+/* Intel 80386 specific definitions. */ -+ -+/* i386 relocs. */ -+ -+#define R_386_NONE 0 /* No reloc */ -+#define R_386_32 1 /* Direct 32 bit */ -+#define R_386_PC32 2 /* PC relative 32 bit */ -+#define R_386_GOT32 3 /* 32 bit GOT entry */ -+#define R_386_PLT32 4 /* 32 bit PLT address */ -+#define R_386_COPY 5 /* Copy symbol at runtime */ -+#define R_386_GLOB_DAT 6 /* Create GOT entry */ -+#define R_386_JMP_SLOT 7 /* Create PLT entry */ -+#define R_386_RELATIVE 8 /* Adjust by program base */ -+#define R_386_GOTOFF 9 /* 32 bit offset to GOT */ -+#define R_386_GOTPC 10 /* 32 bit PC relative offset to GOT */ -+#define R_386_32PLT 11 -+#define R_386_TLS_TPOFF 14 /* Offset in static TLS block */ -+#define R_386_TLS_IE 15 /* Address of GOT entry for static TLS -+ block offset */ -+#define R_386_TLS_GOTIE 16 /* GOT entry for static TLS block -+ offset */ -+#define R_386_TLS_LE 17 /* Offset relative to static TLS -+ block */ -+#define R_386_TLS_GD 18 /* Direct 32 bit for GNU version of -+ general dynamic thread local data */ -+#define R_386_TLS_LDM 19 /* Direct 32 bit for GNU version of -+ local dynamic thread local data -+ in LE code */ -+#define R_386_16 20 -+#define R_386_PC16 21 -+#define R_386_8 22 -+#define R_386_PC8 23 -+#define R_386_TLS_GD_32 24 /* Direct 32 bit for general dynamic -+ thread local data */ -+#define R_386_TLS_GD_PUSH 25 /* Tag for pushl in GD TLS code */ -+#define R_386_TLS_GD_CALL 26 /* Relocation for call to -+ __tls_get_addr() */ -+#define R_386_TLS_GD_POP 27 /* Tag for popl in GD TLS code */ -+#define R_386_TLS_LDM_32 28 /* Direct 32 bit for local dynamic -+ thread local data in LE code */ -+#define R_386_TLS_LDM_PUSH 29 /* Tag for pushl in LDM TLS code */ -+#define R_386_TLS_LDM_CALL 30 /* Relocation for call to -+ __tls_get_addr() in LDM code */ -+#define R_386_TLS_LDM_POP 31 /* Tag for popl in LDM TLS code */ -+#define R_386_TLS_LDO_32 32 /* Offset relative to TLS block */ -+#define R_386_TLS_IE_32 33 /* GOT entry for negated static TLS -+ block offset */ -+#define R_386_TLS_LE_32 34 /* Negated offset relative to static -+ TLS block */ -+#define R_386_TLS_DTPMOD32 35 /* ID of module containing symbol */ -+#define R_386_TLS_DTPOFF32 36 /* Offset in TLS block */ -+#define R_386_TLS_TPOFF32 37 /* Negated offset in static TLS block */ -+/* Keep this the last entry. */ -+#define R_386_NUM 38 -+ -+/* SUN SPARC specific definitions. */ -+ -+/* Legal values for ST_TYPE subfield of st_info (symbol type). */ -+ -+#define STT_REGISTER 13 /* Global register reserved to app. */ -+ -+/* Values for Elf64_Ehdr.e_flags. */ -+ -+#define EF_SPARCV9_MM 3 -+#define EF_SPARCV9_TSO 0 -+#define EF_SPARCV9_PSO 1 -+#define EF_SPARCV9_RMO 2 -+#define EF_SPARC_LEDATA 0x800000 /* little endian data */ -+#define EF_SPARC_EXT_MASK 0xFFFF00 -+#define EF_SPARC_32PLUS 0x000100 /* generic V8+ features */ -+#define EF_SPARC_SUN_US1 0x000200 /* Sun UltraSPARC1 extensions */ -+#define EF_SPARC_HAL_R1 0x000400 /* HAL R1 extensions */ -+#define EF_SPARC_SUN_US3 0x000800 /* Sun UltraSPARCIII extensions */ -+ -+/* SPARC relocs. */ -+ -+#define R_SPARC_NONE 0 /* No reloc */ -+#define R_SPARC_8 1 /* Direct 8 bit */ -+#define R_SPARC_16 2 /* Direct 16 bit */ -+#define R_SPARC_32 3 /* Direct 32 bit */ -+#define R_SPARC_DISP8 4 /* PC relative 8 bit */ -+#define R_SPARC_DISP16 5 /* PC relative 16 bit */ -+#define R_SPARC_DISP32 6 /* PC relative 32 bit */ -+#define R_SPARC_WDISP30 7 /* PC relative 30 bit shifted */ -+#define R_SPARC_WDISP22 8 /* PC relative 22 bit shifted */ -+#define R_SPARC_HI22 9 /* High 22 bit */ -+#define R_SPARC_22 10 /* Direct 22 bit */ -+#define R_SPARC_13 11 /* Direct 13 bit */ -+#define R_SPARC_LO10 12 /* Truncated 10 bit */ -+#define R_SPARC_GOT10 13 /* Truncated 10 bit GOT entry */ -+#define R_SPARC_GOT13 14 /* 13 bit GOT entry */ -+#define R_SPARC_GOT22 15 /* 22 bit GOT entry shifted */ -+#define R_SPARC_PC10 16 /* PC relative 10 bit truncated */ -+#define R_SPARC_PC22 17 /* PC relative 22 bit shifted */ -+#define R_SPARC_WPLT30 18 /* 30 bit PC relative PLT address */ -+#define R_SPARC_COPY 19 /* Copy symbol at runtime */ -+#define R_SPARC_GLOB_DAT 20 /* Create GOT entry */ -+#define R_SPARC_JMP_SLOT 21 /* Create PLT entry */ -+#define R_SPARC_RELATIVE 22 /* Adjust by program base */ -+#define R_SPARC_UA32 23 /* Direct 32 bit unaligned */ -+ -+/* Additional Sparc64 relocs. */ -+ -+#define R_SPARC_PLT32 24 /* Direct 32 bit ref to PLT entry */ -+#define R_SPARC_HIPLT22 25 /* High 22 bit PLT entry */ -+#define R_SPARC_LOPLT10 26 /* Truncated 10 bit PLT entry */ -+#define R_SPARC_PCPLT32 27 /* PC rel 32 bit ref to PLT entry */ -+#define R_SPARC_PCPLT22 28 /* PC rel high 22 bit PLT entry */ -+#define R_SPARC_PCPLT10 29 /* PC rel trunc 10 bit PLT entry */ -+#define R_SPARC_10 30 /* Direct 10 bit */ -+#define R_SPARC_11 31 /* Direct 11 bit */ -+#define R_SPARC_64 32 /* Direct 64 bit */ -+#define R_SPARC_OLO10 33 /* 10bit with secondary 13bit addend */ -+#define R_SPARC_HH22 34 /* Top 22 bits of direct 64 bit */ -+#define R_SPARC_HM10 35 /* High middle 10 bits of ... */ -+#define R_SPARC_LM22 36 /* Low middle 22 bits of ... */ -+#define R_SPARC_PC_HH22 37 /* Top 22 bits of pc rel 64 bit */ -+#define R_SPARC_PC_HM10 38 /* High middle 10 bit of ... */ -+#define R_SPARC_PC_LM22 39 /* Low miggle 22 bits of ... */ -+#define R_SPARC_WDISP16 40 /* PC relative 16 bit shifted */ -+#define R_SPARC_WDISP19 41 /* PC relative 19 bit shifted */ -+#define R_SPARC_7 43 /* Direct 7 bit */ -+#define R_SPARC_5 44 /* Direct 5 bit */ -+#define R_SPARC_6 45 /* Direct 6 bit */ -+#define R_SPARC_DISP64 46 /* PC relative 64 bit */ -+#define R_SPARC_PLT64 47 /* Direct 64 bit ref to PLT entry */ -+#define R_SPARC_HIX22 48 /* High 22 bit complemented */ -+#define R_SPARC_LOX10 49 /* Truncated 11 bit complemented */ -+#define R_SPARC_H44 50 /* Direct high 12 of 44 bit */ -+#define R_SPARC_M44 51 /* Direct mid 22 of 44 bit */ -+#define R_SPARC_L44 52 /* Direct low 10 of 44 bit */ -+#define R_SPARC_REGISTER 53 /* Global register usage */ -+#define R_SPARC_UA64 54 /* Direct 64 bit unaligned */ -+#define R_SPARC_UA16 55 /* Direct 16 bit unaligned */ -+#define R_SPARC_TLS_GD_HI22 56 -+#define R_SPARC_TLS_GD_LO10 57 -+#define R_SPARC_TLS_GD_ADD 58 -+#define R_SPARC_TLS_GD_CALL 59 -+#define R_SPARC_TLS_LDM_HI22 60 -+#define R_SPARC_TLS_LDM_LO10 61 -+#define R_SPARC_TLS_LDM_ADD 62 -+#define R_SPARC_TLS_LDM_CALL 63 -+#define R_SPARC_TLS_LDO_HIX22 64 -+#define R_SPARC_TLS_LDO_LOX10 65 -+#define R_SPARC_TLS_LDO_ADD 66 -+#define R_SPARC_TLS_IE_HI22 67 -+#define R_SPARC_TLS_IE_LO10 68 -+#define R_SPARC_TLS_IE_LD 69 -+#define R_SPARC_TLS_IE_LDX 70 -+#define R_SPARC_TLS_IE_ADD 71 -+#define R_SPARC_TLS_LE_HIX22 72 -+#define R_SPARC_TLS_LE_LOX10 73 -+#define R_SPARC_TLS_DTPMOD32 74 -+#define R_SPARC_TLS_DTPMOD64 75 -+#define R_SPARC_TLS_DTPOFF32 76 -+#define R_SPARC_TLS_DTPOFF64 77 -+#define R_SPARC_TLS_TPOFF32 78 -+#define R_SPARC_TLS_TPOFF64 79 -+/* Keep this the last entry. */ -+#define R_SPARC_NUM 80 -+ -+/* For Sparc64, legal values for d_tag of Elf64_Dyn. */ -+ -+#define DT_SPARC_REGISTER 0x70000001 -+#define DT_SPARC_NUM 2 -+ -+/* Bits present in AT_HWCAP, primarily for Sparc32. */ -+ -+#define HWCAP_SPARC_FLUSH 1 /* The cpu supports flush insn. */ -+#define HWCAP_SPARC_STBAR 2 -+#define HWCAP_SPARC_SWAP 4 -+#define HWCAP_SPARC_MULDIV 8 -+#define HWCAP_SPARC_V9 16 /* The cpu is v9, so v8plus is ok. */ -+#define HWCAP_SPARC_ULTRA3 32 -+ -+/* MIPS R3000 specific definitions. */ -+ -+/* Legal values for e_flags field of Elf32_Ehdr. */ -+ -+#define EF_MIPS_NOREORDER 1 /* A .noreorder directive was used */ -+#define EF_MIPS_PIC 2 /* Contains PIC code */ -+#define EF_MIPS_CPIC 4 /* Uses PIC calling sequence */ -+#define EF_MIPS_XGOT 8 -+#define EF_MIPS_64BIT_WHIRL 16 -+#define EF_MIPS_ABI2 32 -+#define EF_MIPS_ABI_ON32 64 -+#define EF_MIPS_ARCH 0xf0000000 /* MIPS architecture level */ -+ -+/* Legal values for MIPS architecture level. */ -+ -+#define EF_MIPS_ARCH_1 0x00000000 /* -mips1 code. */ -+#define EF_MIPS_ARCH_2 0x10000000 /* -mips2 code. */ -+#define EF_MIPS_ARCH_3 0x20000000 /* -mips3 code. */ -+#define EF_MIPS_ARCH_4 0x30000000 /* -mips4 code. */ -+#define EF_MIPS_ARCH_5 0x40000000 /* -mips5 code. */ -+#define EF_MIPS_ARCH_32 0x60000000 /* MIPS32 code. */ -+#define EF_MIPS_ARCH_64 0x70000000 /* MIPS64 code. */ -+ -+/* The following are non-official names and should not be used. */ -+ -+#define E_MIPS_ARCH_1 0x00000000 /* -mips1 code. */ -+#define E_MIPS_ARCH_2 0x10000000 /* -mips2 code. */ -+#define E_MIPS_ARCH_3 0x20000000 /* -mips3 code. */ -+#define E_MIPS_ARCH_4 0x30000000 /* -mips4 code. */ -+#define E_MIPS_ARCH_5 0x40000000 /* -mips5 code. */ -+#define E_MIPS_ARCH_32 0x60000000 /* MIPS32 code. */ -+#define E_MIPS_ARCH_64 0x70000000 /* MIPS64 code. */ -+ -+/* Special section indices. */ -+ -+#define SHN_MIPS_ACOMMON 0xff00 /* Allocated common symbols */ -+#define SHN_MIPS_TEXT 0xff01 /* Allocated test symbols. */ -+#define SHN_MIPS_DATA 0xff02 /* Allocated data symbols. */ -+#define SHN_MIPS_SCOMMON 0xff03 /* Small common symbols */ -+#define SHN_MIPS_SUNDEFINED 0xff04 /* Small undefined symbols */ -+ -+/* Legal values for sh_type field of Elf32_Shdr. */ -+ -+#define SHT_MIPS_LIBLIST 0x70000000 /* Shared objects used in link */ -+#define SHT_MIPS_MSYM 0x70000001 -+#define SHT_MIPS_CONFLICT 0x70000002 /* Conflicting symbols */ -+#define SHT_MIPS_GPTAB 0x70000003 /* Global data area sizes */ -+#define SHT_MIPS_UCODE 0x70000004 /* Reserved for SGI/MIPS compilers */ -+#define SHT_MIPS_DEBUG 0x70000005 /* MIPS ECOFF debugging information*/ -+#define SHT_MIPS_REGINFO 0x70000006 /* Register usage information */ -+#define SHT_MIPS_PACKAGE 0x70000007 -+#define SHT_MIPS_PACKSYM 0x70000008 -+#define SHT_MIPS_RELD 0x70000009 -+#define SHT_MIPS_IFACE 0x7000000b -+#define SHT_MIPS_CONTENT 0x7000000c -+#define SHT_MIPS_OPTIONS 0x7000000d /* Miscellaneous options. */ -+#define SHT_MIPS_SHDR 0x70000010 -+#define SHT_MIPS_FDESC 0x70000011 -+#define SHT_MIPS_EXTSYM 0x70000012 -+#define SHT_MIPS_DENSE 0x70000013 -+#define SHT_MIPS_PDESC 0x70000014 -+#define SHT_MIPS_LOCSYM 0x70000015 -+#define SHT_MIPS_AUXSYM 0x70000016 -+#define SHT_MIPS_OPTSYM 0x70000017 -+#define SHT_MIPS_LOCSTR 0x70000018 -+#define SHT_MIPS_LINE 0x70000019 -+#define SHT_MIPS_RFDESC 0x7000001a -+#define SHT_MIPS_DELTASYM 0x7000001b -+#define SHT_MIPS_DELTAINST 0x7000001c -+#define SHT_MIPS_DELTACLASS 0x7000001d -+#define SHT_MIPS_DWARF 0x7000001e /* DWARF debugging information. */ -+#define SHT_MIPS_DELTADECL 0x7000001f -+#define SHT_MIPS_SYMBOL_LIB 0x70000020 -+#define SHT_MIPS_EVENTS 0x70000021 /* Event section. */ -+#define SHT_MIPS_TRANSLATE 0x70000022 -+#define SHT_MIPS_PIXIE 0x70000023 -+#define SHT_MIPS_XLATE 0x70000024 -+#define SHT_MIPS_XLATE_DEBUG 0x70000025 -+#define SHT_MIPS_WHIRL 0x70000026 -+#define SHT_MIPS_EH_REGION 0x70000027 -+#define SHT_MIPS_XLATE_OLD 0x70000028 -+#define SHT_MIPS_PDR_EXCEPTION 0x70000029 -+ -+/* Legal values for sh_flags field of Elf32_Shdr. */ -+ -+#define SHF_MIPS_GPREL 0x10000000 /* Must be part of global data area */ -+#define SHF_MIPS_MERGE 0x20000000 -+#define SHF_MIPS_ADDR 0x40000000 -+#define SHF_MIPS_STRINGS 0x80000000 -+#define SHF_MIPS_NOSTRIP 0x08000000 -+#define SHF_MIPS_LOCAL 0x04000000 -+#define SHF_MIPS_NAMES 0x02000000 -+#define SHF_MIPS_NODUPE 0x01000000 -+ -+ -+/* Symbol tables. */ -+ -+/* MIPS specific values for `st_other'. */ -+#define STO_MIPS_DEFAULT 0x0 -+#define STO_MIPS_INTERNAL 0x1 -+#define STO_MIPS_HIDDEN 0x2 -+#define STO_MIPS_PROTECTED 0x3 -+#define STO_MIPS_SC_ALIGN_UNUSED 0xff -+ -+/* MIPS specific values for `st_info'. */ -+#define STB_MIPS_SPLIT_COMMON 13 -+ -+/* Entries found in sections of type SHT_MIPS_GPTAB. */ -+ -+typedef union -+{ -+ struct -+ { -+ Elf32_Word gt_current_g_value; /* -G value used for compilation */ -+ Elf32_Word gt_unused; /* Not used */ -+ } gt_header; /* First entry in section */ -+ struct -+ { -+ Elf32_Word gt_g_value; /* If this value were used for -G */ -+ Elf32_Word gt_bytes; /* This many bytes would be used */ -+ } gt_entry; /* Subsequent entries in section */ -+} Elf32_gptab; -+ -+/* Entry found in sections of type SHT_MIPS_REGINFO. */ -+ -+typedef struct -+{ -+ Elf32_Word ri_gprmask; /* General registers used */ -+ Elf32_Word ri_cprmask[4]; /* Coprocessor registers used */ -+ Elf32_Sword ri_gp_value; /* $gp register value */ -+} Elf32_RegInfo; -+ -+/* Entries found in sections of type SHT_MIPS_OPTIONS. */ -+ -+typedef struct -+{ -+ unsigned char kind; /* Determines interpretation of the -+ variable part of descriptor. */ -+ unsigned char size; /* Size of descriptor, including header. */ -+ Elf32_Section section; /* Section header index of section affected, -+ 0 for global options. */ -+ Elf32_Word info; /* Kind-specific information. */ -+} Elf_Options; -+ -+/* Values for `kind' field in Elf_Options. */ -+ -+#define ODK_NULL 0 /* Undefined. */ -+#define ODK_REGINFO 1 /* Register usage information. */ -+#define ODK_EXCEPTIONS 2 /* Exception processing options. */ -+#define ODK_PAD 3 /* Section padding options. */ -+#define ODK_HWPATCH 4 /* Hardware workarounds performed */ -+#define ODK_FILL 5 /* record the fill value used by the linker. */ -+#define ODK_TAGS 6 /* reserve space for desktop tools to write. */ -+#define ODK_HWAND 7 /* HW workarounds. 'AND' bits when merging. */ -+#define ODK_HWOR 8 /* HW workarounds. 'OR' bits when merging. */ -+ -+/* Values for `info' in Elf_Options for ODK_EXCEPTIONS entries. */ -+ -+#define OEX_FPU_MIN 0x1f /* FPE's which MUST be enabled. */ -+#define OEX_FPU_MAX 0x1f00 /* FPE's which MAY be enabled. */ -+#define OEX_PAGE0 0x10000 /* page zero must be mapped. */ -+#define OEX_SMM 0x20000 /* Force sequential memory mode? */ -+#define OEX_FPDBUG 0x40000 /* Force floating point debug mode? */ -+#define OEX_PRECISEFP OEX_FPDBUG -+#define OEX_DISMISS 0x80000 /* Dismiss invalid address faults? */ -+ -+#define OEX_FPU_INVAL 0x10 -+#define OEX_FPU_DIV0 0x08 -+#define OEX_FPU_OFLO 0x04 -+#define OEX_FPU_UFLO 0x02 -+#define OEX_FPU_INEX 0x01 -+ -+/* Masks for `info' in Elf_Options for an ODK_HWPATCH entry. */ -+ -+#define OHW_R4KEOP 0x1 /* R4000 end-of-page patch. */ -+#define OHW_R8KPFETCH 0x2 /* may need R8000 prefetch patch. */ -+#define OHW_R5KEOP 0x4 /* R5000 end-of-page patch. */ -+#define OHW_R5KCVTL 0x8 /* R5000 cvt.[ds].l bug. clean=1. */ -+ -+#define OPAD_PREFIX 0x1 -+#define OPAD_POSTFIX 0x2 -+#define OPAD_SYMBOL 0x4 -+ -+/* Entry found in `.options' section. */ -+ -+typedef struct -+{ -+ Elf32_Word hwp_flags1; /* Extra flags. */ -+ Elf32_Word hwp_flags2; /* Extra flags. */ -+} Elf_Options_Hw; -+ -+/* Masks for `info' in ElfOptions for ODK_HWAND and ODK_HWOR entries. */ -+ -+#define OHWA0_R4KEOP_CHECKED 0x00000001 -+#define OHWA1_R4KEOP_CLEAN 0x00000002 -+ -+/* MIPS relocs. */ -+ -+#define R_MIPS_NONE 0 /* No reloc */ -+#define R_MIPS_16 1 /* Direct 16 bit */ -+#define R_MIPS_32 2 /* Direct 32 bit */ -+#define R_MIPS_REL32 3 /* PC relative 32 bit */ -+#define R_MIPS_26 4 /* Direct 26 bit shifted */ -+#define R_MIPS_HI16 5 /* High 16 bit */ -+#define R_MIPS_LO16 6 /* Low 16 bit */ -+#define R_MIPS_GPREL16 7 /* GP relative 16 bit */ -+#define R_MIPS_LITERAL 8 /* 16 bit literal entry */ -+#define R_MIPS_GOT16 9 /* 16 bit GOT entry */ -+#define R_MIPS_PC16 10 /* PC relative 16 bit */ -+#define R_MIPS_CALL16 11 /* 16 bit GOT entry for function */ -+#define R_MIPS_GPREL32 12 /* GP relative 32 bit */ -+ -+#define R_MIPS_SHIFT5 16 -+#define R_MIPS_SHIFT6 17 -+#define R_MIPS_64 18 -+#define R_MIPS_GOT_DISP 19 -+#define R_MIPS_GOT_PAGE 20 -+#define R_MIPS_GOT_OFST 21 -+#define R_MIPS_GOT_HI16 22 -+#define R_MIPS_GOT_LO16 23 -+#define R_MIPS_SUB 24 -+#define R_MIPS_INSERT_A 25 -+#define R_MIPS_INSERT_B 26 -+#define R_MIPS_DELETE 27 -+#define R_MIPS_HIGHER 28 -+#define R_MIPS_HIGHEST 29 -+#define R_MIPS_CALL_HI16 30 -+#define R_MIPS_CALL_LO16 31 -+#define R_MIPS_SCN_DISP 32 -+#define R_MIPS_REL16 33 -+#define R_MIPS_ADD_IMMEDIATE 34 -+#define R_MIPS_PJUMP 35 -+#define R_MIPS_RELGOT 36 -+#define R_MIPS_JALR 37 -+/* Keep this the last entry. */ -+#define R_MIPS_NUM 38 -+ -+/* Legal values for p_type field of Elf32_Phdr. */ -+ -+#define PT_MIPS_REGINFO 0x70000000 /* Register usage information */ -+#define PT_MIPS_RTPROC 0x70000001 /* Runtime procedure table. */ -+#define PT_MIPS_OPTIONS 0x70000002 -+ -+/* Special program header types. */ -+ -+#define PF_MIPS_LOCAL 0x10000000 -+ -+/* Legal values for d_tag field of Elf32_Dyn. */ -+ -+#define DT_MIPS_RLD_VERSION 0x70000001 /* Runtime linker interface version */ -+#define DT_MIPS_TIME_STAMP 0x70000002 /* Timestamp */ -+#define DT_MIPS_ICHECKSUM 0x70000003 /* Checksum */ -+#define DT_MIPS_IVERSION 0x70000004 /* Version string (string tbl index) */ -+#define DT_MIPS_FLAGS 0x70000005 /* Flags */ -+#define DT_MIPS_BASE_ADDRESS 0x70000006 /* Base address */ -+#define DT_MIPS_MSYM 0x70000007 -+#define DT_MIPS_CONFLICT 0x70000008 /* Address of CONFLICT section */ -+#define DT_MIPS_LIBLIST 0x70000009 /* Address of LIBLIST section */ -+#define DT_MIPS_LOCAL_GOTNO 0x7000000a /* Number of local GOT entries */ -+#define DT_MIPS_CONFLICTNO 0x7000000b /* Number of CONFLICT entries */ -+#define DT_MIPS_LIBLISTNO 0x70000010 /* Number of LIBLIST entries */ -+#define DT_MIPS_SYMTABNO 0x70000011 /* Number of DYNSYM entries */ -+#define DT_MIPS_UNREFEXTNO 0x70000012 /* First external DYNSYM */ -+#define DT_MIPS_GOTSYM 0x70000013 /* First GOT entry in DYNSYM */ -+#define DT_MIPS_HIPAGENO 0x70000014 /* Number of GOT page table entries */ -+#define DT_MIPS_RLD_MAP 0x70000016 /* Address of run time loader map. */ -+#define DT_MIPS_DELTA_CLASS 0x70000017 /* Delta C++ class definition. */ -+#define DT_MIPS_DELTA_CLASS_NO 0x70000018 /* Number of entries in -+ DT_MIPS_DELTA_CLASS. */ -+#define DT_MIPS_DELTA_INSTANCE 0x70000019 /* Delta C++ class instances. */ -+#define DT_MIPS_DELTA_INSTANCE_NO 0x7000001a /* Number of entries in -+ DT_MIPS_DELTA_INSTANCE. */ -+#define DT_MIPS_DELTA_RELOC 0x7000001b /* Delta relocations. */ -+#define DT_MIPS_DELTA_RELOC_NO 0x7000001c /* Number of entries in -+ DT_MIPS_DELTA_RELOC. */ -+#define DT_MIPS_DELTA_SYM 0x7000001d /* Delta symbols that Delta -+ relocations refer to. */ -+#define DT_MIPS_DELTA_SYM_NO 0x7000001e /* Number of entries in -+ DT_MIPS_DELTA_SYM. */ -+#define DT_MIPS_DELTA_CLASSSYM 0x70000020 /* Delta symbols that hold the -+ class declaration. */ -+#define DT_MIPS_DELTA_CLASSSYM_NO 0x70000021 /* Number of entries in -+ DT_MIPS_DELTA_CLASSSYM. */ -+#define DT_MIPS_CXX_FLAGS 0x70000022 /* Flags indicating for C++ flavor. */ -+#define DT_MIPS_PIXIE_INIT 0x70000023 -+#define DT_MIPS_SYMBOL_LIB 0x70000024 -+#define DT_MIPS_LOCALPAGE_GOTIDX 0x70000025 -+#define DT_MIPS_LOCAL_GOTIDX 0x70000026 -+#define DT_MIPS_HIDDEN_GOTIDX 0x70000027 -+#define DT_MIPS_PROTECTED_GOTIDX 0x70000028 -+#define DT_MIPS_OPTIONS 0x70000029 /* Address of .options. */ -+#define DT_MIPS_INTERFACE 0x7000002a /* Address of .interface. */ -+#define DT_MIPS_DYNSTR_ALIGN 0x7000002b -+#define DT_MIPS_INTERFACE_SIZE 0x7000002c /* Size of the .interface section. */ -+#define DT_MIPS_RLD_TEXT_RESOLVE_ADDR 0x7000002d /* Address of rld_text_rsolve -+ function stored in GOT. */ -+#define DT_MIPS_PERF_SUFFIX 0x7000002e /* Default suffix of dso to be added -+ by rld on dlopen() calls. */ -+#define DT_MIPS_COMPACT_SIZE 0x7000002f /* (O32)Size of compact rel section. */ -+#define DT_MIPS_GP_VALUE 0x70000030 /* GP value for aux GOTs. */ -+#define DT_MIPS_AUX_DYNAMIC 0x70000031 /* Address of aux .dynamic. */ -+#define DT_MIPS_NUM 0x32 -+ -+/* Legal values for DT_MIPS_FLAGS Elf32_Dyn entry. */ -+ -+#define RHF_NONE 0 /* No flags */ -+#define RHF_QUICKSTART (1 << 0) /* Use quickstart */ -+#define RHF_NOTPOT (1 << 1) /* Hash size not power of 2 */ -+#define RHF_NO_LIBRARY_REPLACEMENT (1 << 2) /* Ignore LD_LIBRARY_PATH */ -+#define RHF_NO_MOVE (1 << 3) -+#define RHF_SGI_ONLY (1 << 4) -+#define RHF_GUARANTEE_INIT (1 << 5) -+#define RHF_DELTA_C_PLUS_PLUS (1 << 6) -+#define RHF_GUARANTEE_START_INIT (1 << 7) -+#define RHF_PIXIE (1 << 8) -+#define RHF_DEFAULT_DELAY_LOAD (1 << 9) -+#define RHF_REQUICKSTART (1 << 10) -+#define RHF_REQUICKSTARTED (1 << 11) -+#define RHF_CORD (1 << 12) -+#define RHF_NO_UNRES_UNDEF (1 << 13) -+#define RHF_RLD_ORDER_SAFE (1 << 14) -+ -+/* Entries found in sections of type SHT_MIPS_LIBLIST. */ -+ -+typedef struct -+{ -+ Elf32_Word l_name; /* Name (string table index) */ -+ Elf32_Word l_time_stamp; /* Timestamp */ -+ Elf32_Word l_checksum; /* Checksum */ -+ Elf32_Word l_version; /* Interface version */ -+ Elf32_Word l_flags; /* Flags */ -+} Elf32_Lib; -+ -+typedef struct -+{ -+ Elf64_Word l_name; /* Name (string table index) */ -+ Elf64_Word l_time_stamp; /* Timestamp */ -+ Elf64_Word l_checksum; /* Checksum */ -+ Elf64_Word l_version; /* Interface version */ -+ Elf64_Word l_flags; /* Flags */ -+} Elf64_Lib; -+ -+ -+/* Legal values for l_flags. */ -+ -+#define LL_NONE 0 -+#define LL_EXACT_MATCH (1 << 0) /* Require exact match */ -+#define LL_IGNORE_INT_VER (1 << 1) /* Ignore interface version */ -+#define LL_REQUIRE_MINOR (1 << 2) -+#define LL_EXPORTS (1 << 3) -+#define LL_DELAY_LOAD (1 << 4) -+#define LL_DELTA (1 << 5) -+ -+/* Entries found in sections of type SHT_MIPS_CONFLICT. */ -+ -+typedef Elf32_Addr Elf32_Conflict; -+ -+ -+/* HPPA specific definitions. */ -+ -+/* Legal values for e_flags field of Elf32_Ehdr. */ -+ -+#define EF_PARISC_TRAPNIL 0x00010000 /* Trap nil pointer dereference. */ -+#define EF_PARISC_EXT 0x00020000 /* Program uses arch. extensions. */ -+#define EF_PARISC_LSB 0x00040000 /* Program expects little endian. */ -+#define EF_PARISC_WIDE 0x00080000 /* Program expects wide mode. */ -+#define EF_PARISC_NO_KABP 0x00100000 /* No kernel assisted branch -+ prediction. */ -+#define EF_PARISC_LAZYSWAP 0x00400000 /* Allow lazy swapping. */ -+#define EF_PARISC_ARCH 0x0000ffff /* Architecture version. */ -+ -+/* Defined values for `e_flags & EF_PARISC_ARCH' are: */ -+ -+#define EFA_PARISC_1_0 0x020b /* PA-RISC 1.0 big-endian. */ -+#define EFA_PARISC_1_1 0x0210 /* PA-RISC 1.1 big-endian. */ -+#define EFA_PARISC_2_0 0x0214 /* PA-RISC 2.0 big-endian. */ -+ -+/* Additional section indeces. */ -+ -+#define SHN_PARISC_ANSI_COMMON 0xff00 /* Section for tenatively declared -+ symbols in ANSI C. */ -+#define SHN_PARISC_HUGE_COMMON 0xff01 /* Common blocks in huge model. */ -+ -+/* Legal values for sh_type field of Elf32_Shdr. */ -+ -+#define SHT_PARISC_EXT 0x70000000 /* Contains product specific ext. */ -+#define SHT_PARISC_UNWIND 0x70000001 /* Unwind information. */ -+#define SHT_PARISC_DOC 0x70000002 /* Debug info for optimized code. */ -+ -+/* Legal values for sh_flags field of Elf32_Shdr. */ -+ -+#define SHF_PARISC_SHORT 0x20000000 /* Section with short addressing. */ -+#define SHF_PARISC_HUGE 0x40000000 /* Section far from gp. */ -+#define SHF_PARISC_SBP 0x80000000 /* Static branch prediction code. */ -+ -+/* Legal values for ST_TYPE subfield of st_info (symbol type). */ -+ -+#define STT_PARISC_MILLICODE 13 /* Millicode function entry point. */ -+ -+#define STT_HP_OPAQUE (STT_LOOS + 0x1) -+#define STT_HP_STUB (STT_LOOS + 0x2) -+ -+/* HPPA relocs. */ -+ -+#define R_PARISC_NONE 0 /* No reloc. */ -+#define R_PARISC_DIR32 1 /* Direct 32-bit reference. */ -+#define R_PARISC_DIR21L 2 /* Left 21 bits of eff. address. */ -+#define R_PARISC_DIR17R 3 /* Right 17 bits of eff. address. */ -+#define R_PARISC_DIR17F 4 /* 17 bits of eff. address. */ -+#define R_PARISC_DIR14R 6 /* Right 14 bits of eff. address. */ -+#define R_PARISC_PCREL32 9 /* 32-bit rel. address. */ -+#define R_PARISC_PCREL21L 10 /* Left 21 bits of rel. address. */ -+#define R_PARISC_PCREL17R 11 /* Right 17 bits of rel. address. */ -+#define R_PARISC_PCREL17F 12 /* 17 bits of rel. address. */ -+#define R_PARISC_PCREL14R 14 /* Right 14 bits of rel. address. */ -+#define R_PARISC_DPREL21L 18 /* Left 21 bits of rel. address. */ -+#define R_PARISC_DPREL14R 22 /* Right 14 bits of rel. address. */ -+#define R_PARISC_GPREL21L 26 /* GP-relative, left 21 bits. */ -+#define R_PARISC_GPREL14R 30 /* GP-relative, right 14 bits. */ -+#define R_PARISC_LTOFF21L 34 /* LT-relative, left 21 bits. */ -+#define R_PARISC_LTOFF14R 38 /* LT-relative, right 14 bits. */ -+#define R_PARISC_SECREL32 41 /* 32 bits section rel. address. */ -+#define R_PARISC_SEGBASE 48 /* No relocation, set segment base. */ -+#define R_PARISC_SEGREL32 49 /* 32 bits segment rel. address. */ -+#define R_PARISC_PLTOFF21L 50 /* PLT rel. address, left 21 bits. */ -+#define R_PARISC_PLTOFF14R 54 /* PLT rel. address, right 14 bits. */ -+#define R_PARISC_LTOFF_FPTR32 57 /* 32 bits LT-rel. function pointer. */ -+#define R_PARISC_LTOFF_FPTR21L 58 /* LT-rel. fct ptr, left 21 bits. */ -+#define R_PARISC_LTOFF_FPTR14R 62 /* LT-rel. fct ptr, right 14 bits. */ -+#define R_PARISC_FPTR64 64 /* 64 bits function address. */ -+#define R_PARISC_PLABEL32 65 /* 32 bits function address. */ -+#define R_PARISC_PCREL64 72 /* 64 bits PC-rel. address. */ -+#define R_PARISC_PCREL22F 74 /* 22 bits PC-rel. address. */ -+#define R_PARISC_PCREL14WR 75 /* PC-rel. address, right 14 bits. */ -+#define R_PARISC_PCREL14DR 76 /* PC rel. address, right 14 bits. */ -+#define R_PARISC_PCREL16F 77 /* 16 bits PC-rel. address. */ -+#define R_PARISC_PCREL16WF 78 /* 16 bits PC-rel. address. */ -+#define R_PARISC_PCREL16DF 79 /* 16 bits PC-rel. address. */ -+#define R_PARISC_DIR64 80 /* 64 bits of eff. address. */ -+#define R_PARISC_DIR14WR 83 /* 14 bits of eff. address. */ -+#define R_PARISC_DIR14DR 84 /* 14 bits of eff. address. */ -+#define R_PARISC_DIR16F 85 /* 16 bits of eff. address. */ -+#define R_PARISC_DIR16WF 86 /* 16 bits of eff. address. */ -+#define R_PARISC_DIR16DF 87 /* 16 bits of eff. address. */ -+#define R_PARISC_GPREL64 88 /* 64 bits of GP-rel. address. */ -+#define R_PARISC_GPREL14WR 91 /* GP-rel. address, right 14 bits. */ -+#define R_PARISC_GPREL14DR 92 /* GP-rel. address, right 14 bits. */ -+#define R_PARISC_GPREL16F 93 /* 16 bits GP-rel. address. */ -+#define R_PARISC_GPREL16WF 94 /* 16 bits GP-rel. address. */ -+#define R_PARISC_GPREL16DF 95 /* 16 bits GP-rel. address. */ -+#define R_PARISC_LTOFF64 96 /* 64 bits LT-rel. address. */ -+#define R_PARISC_LTOFF14WR 99 /* LT-rel. address, right 14 bits. */ -+#define R_PARISC_LTOFF14DR 100 /* LT-rel. address, right 14 bits. */ -+#define R_PARISC_LTOFF16F 101 /* 16 bits LT-rel. address. */ -+#define R_PARISC_LTOFF16WF 102 /* 16 bits LT-rel. address. */ -+#define R_PARISC_LTOFF16DF 103 /* 16 bits LT-rel. address. */ -+#define R_PARISC_SECREL64 104 /* 64 bits section rel. address. */ -+#define R_PARISC_SEGREL64 112 /* 64 bits segment rel. address. */ -+#define R_PARISC_PLTOFF14WR 115 /* PLT-rel. address, right 14 bits. */ -+#define R_PARISC_PLTOFF14DR 116 /* PLT-rel. address, right 14 bits. */ -+#define R_PARISC_PLTOFF16F 117 /* 16 bits LT-rel. address. */ -+#define R_PARISC_PLTOFF16WF 118 /* 16 bits PLT-rel. address. */ -+#define R_PARISC_PLTOFF16DF 119 /* 16 bits PLT-rel. address. */ -+#define R_PARISC_LTOFF_FPTR64 120 /* 64 bits LT-rel. function ptr. */ -+#define R_PARISC_LTOFF_FPTR14WR 123 /* LT-rel. fct. ptr., right 14 bits. */ -+#define R_PARISC_LTOFF_FPTR14DR 124 /* LT-rel. fct. ptr., right 14 bits. */ -+#define R_PARISC_LTOFF_FPTR16F 125 /* 16 bits LT-rel. function ptr. */ -+#define R_PARISC_LTOFF_FPTR16WF 126 /* 16 bits LT-rel. function ptr. */ -+#define R_PARISC_LTOFF_FPTR16DF 127 /* 16 bits LT-rel. function ptr. */ -+#define R_PARISC_LORESERVE 128 -+#define R_PARISC_COPY 128 /* Copy relocation. */ -+#define R_PARISC_IPLT 129 /* Dynamic reloc, imported PLT */ -+#define R_PARISC_EPLT 130 /* Dynamic reloc, exported PLT */ -+#define R_PARISC_TPREL32 153 /* 32 bits TP-rel. address. */ -+#define R_PARISC_TPREL21L 154 /* TP-rel. address, left 21 bits. */ -+#define R_PARISC_TPREL14R 158 /* TP-rel. address, right 14 bits. */ -+#define R_PARISC_LTOFF_TP21L 162 /* LT-TP-rel. address, left 21 bits. */ -+#define R_PARISC_LTOFF_TP14R 166 /* LT-TP-rel. address, right 14 bits.*/ -+#define R_PARISC_LTOFF_TP14F 167 /* 14 bits LT-TP-rel. address. */ -+#define R_PARISC_TPREL64 216 /* 64 bits TP-rel. address. */ -+#define R_PARISC_TPREL14WR 219 /* TP-rel. address, right 14 bits. */ -+#define R_PARISC_TPREL14DR 220 /* TP-rel. address, right 14 bits. */ -+#define R_PARISC_TPREL16F 221 /* 16 bits TP-rel. address. */ -+#define R_PARISC_TPREL16WF 222 /* 16 bits TP-rel. address. */ -+#define R_PARISC_TPREL16DF 223 /* 16 bits TP-rel. address. */ -+#define R_PARISC_LTOFF_TP64 224 /* 64 bits LT-TP-rel. address. */ -+#define R_PARISC_LTOFF_TP14WR 227 /* LT-TP-rel. address, right 14 bits.*/ -+#define R_PARISC_LTOFF_TP14DR 228 /* LT-TP-rel. address, right 14 bits.*/ -+#define R_PARISC_LTOFF_TP16F 229 /* 16 bits LT-TP-rel. address. */ -+#define R_PARISC_LTOFF_TP16WF 230 /* 16 bits LT-TP-rel. address. */ -+#define R_PARISC_LTOFF_TP16DF 231 /* 16 bits LT-TP-rel. address. */ -+#define R_PARISC_HIRESERVE 255 -+ -+/* Legal values for p_type field of Elf32_Phdr/Elf64_Phdr. */ -+ -+#define PT_HP_TLS (PT_LOOS + 0x0) -+#define PT_HP_CORE_NONE (PT_LOOS + 0x1) -+#define PT_HP_CORE_VERSION (PT_LOOS + 0x2) -+#define PT_HP_CORE_KERNEL (PT_LOOS + 0x3) -+#define PT_HP_CORE_COMM (PT_LOOS + 0x4) -+#define PT_HP_CORE_PROC (PT_LOOS + 0x5) -+#define PT_HP_CORE_LOADABLE (PT_LOOS + 0x6) -+#define PT_HP_CORE_STACK (PT_LOOS + 0x7) -+#define PT_HP_CORE_SHM (PT_LOOS + 0x8) -+#define PT_HP_CORE_MMF (PT_LOOS + 0x9) -+#define PT_HP_PARALLEL (PT_LOOS + 0x10) -+#define PT_HP_FASTBIND (PT_LOOS + 0x11) -+#define PT_HP_OPT_ANNOT (PT_LOOS + 0x12) -+#define PT_HP_HSL_ANNOT (PT_LOOS + 0x13) -+#define PT_HP_STACK (PT_LOOS + 0x14) -+ -+#define PT_PARISC_ARCHEXT 0x70000000 -+#define PT_PARISC_UNWIND 0x70000001 -+ -+/* Legal values for p_flags field of Elf32_Phdr/Elf64_Phdr. */ -+ -+#define PF_PARISC_SBP 0x08000000 -+ -+#define PF_HP_PAGE_SIZE 0x00100000 -+#define PF_HP_FAR_SHARED 0x00200000 -+#define PF_HP_NEAR_SHARED 0x00400000 -+#define PF_HP_CODE 0x01000000 -+#define PF_HP_MODIFY 0x02000000 -+#define PF_HP_LAZYSWAP 0x04000000 -+#define PF_HP_SBP 0x08000000 -+ -+ -+/* Alpha specific definitions. */ -+ -+/* Legal values for e_flags field of Elf64_Ehdr. */ -+ -+#define EF_ALPHA_32BIT 1 /* All addresses must be < 2GB. */ -+#define EF_ALPHA_CANRELAX 2 /* Relocations for relaxing exist. */ -+ -+/* Legal values for sh_type field of Elf64_Shdr. */ -+ -+/* These two are primerily concerned with ECOFF debugging info. */ -+#define SHT_ALPHA_DEBUG 0x70000001 -+#define SHT_ALPHA_REGINFO 0x70000002 -+ -+/* Legal values for sh_flags field of Elf64_Shdr. */ -+ -+#define SHF_ALPHA_GPREL 0x10000000 -+ -+/* Legal values for st_other field of Elf64_Sym. */ -+#define STO_ALPHA_NOPV 0x80 /* No PV required. */ -+#define STO_ALPHA_STD_GPLOAD 0x88 /* PV only used for initial ldgp. */ -+ -+/* Alpha relocs. */ -+ -+#define R_ALPHA_NONE 0 /* No reloc */ -+#define R_ALPHA_REFLONG 1 /* Direct 32 bit */ -+#define R_ALPHA_REFQUAD 2 /* Direct 64 bit */ -+#define R_ALPHA_GPREL32 3 /* GP relative 32 bit */ -+#define R_ALPHA_LITERAL 4 /* GP relative 16 bit w/optimization */ -+#define R_ALPHA_LITUSE 5 /* Optimization hint for LITERAL */ -+#define R_ALPHA_GPDISP 6 /* Add displacement to GP */ -+#define R_ALPHA_BRADDR 7 /* PC+4 relative 23 bit shifted */ -+#define R_ALPHA_HINT 8 /* PC+4 relative 16 bit shifted */ -+#define R_ALPHA_SREL16 9 /* PC relative 16 bit */ -+#define R_ALPHA_SREL32 10 /* PC relative 32 bit */ -+#define R_ALPHA_SREL64 11 /* PC relative 64 bit */ -+#define R_ALPHA_GPRELHIGH 17 /* GP relative 32 bit, high 16 bits */ -+#define R_ALPHA_GPRELLOW 18 /* GP relative 32 bit, low 16 bits */ -+#define R_ALPHA_GPREL16 19 /* GP relative 16 bit */ -+#define R_ALPHA_COPY 24 /* Copy symbol at runtime */ -+#define R_ALPHA_GLOB_DAT 25 /* Create GOT entry */ -+#define R_ALPHA_JMP_SLOT 26 /* Create PLT entry */ -+#define R_ALPHA_RELATIVE 27 /* Adjust by program base */ -+#define R_ALPHA_TLS_GD_HI 28 -+#define R_ALPHA_TLSGD 29 -+#define R_ALPHA_TLS_LDM 30 -+#define R_ALPHA_DTPMOD64 31 -+#define R_ALPHA_GOTDTPREL 32 -+#define R_ALPHA_DTPREL64 33 -+#define R_ALPHA_DTPRELHI 34 -+#define R_ALPHA_DTPRELLO 35 -+#define R_ALPHA_DTPREL16 36 -+#define R_ALPHA_GOTTPREL 37 -+#define R_ALPHA_TPREL64 38 -+#define R_ALPHA_TPRELHI 39 -+#define R_ALPHA_TPRELLO 40 -+#define R_ALPHA_TPREL16 41 -+/* Keep this the last entry. */ -+#define R_ALPHA_NUM 46 -+ -+/* Magic values of the LITUSE relocation addend. */ -+#define LITUSE_ALPHA_ADDR 0 -+#define LITUSE_ALPHA_BASE 1 -+#define LITUSE_ALPHA_BYTOFF 2 -+#define LITUSE_ALPHA_JSR 3 -+#define LITUSE_ALPHA_TLS_GD 4 -+#define LITUSE_ALPHA_TLS_LDM 5 -+ -+ -+/* PowerPC specific declarations */ -+ -+/* Values for Elf32/64_Ehdr.e_flags. */ -+#define EF_PPC_EMB 0x80000000 /* PowerPC embedded flag */ -+ -+/* Cygnus local bits below */ -+#define EF_PPC_RELOCATABLE 0x00010000 /* PowerPC -mrelocatable flag*/ -+#define EF_PPC_RELOCATABLE_LIB 0x00008000 /* PowerPC -mrelocatable-lib -+ flag */ -+ -+/* PowerPC relocations defined by the ABIs */ -+#define R_PPC_NONE 0 -+#define R_PPC_ADDR32 1 /* 32bit absolute address */ -+#define R_PPC_ADDR24 2 /* 26bit address, 2 bits ignored. */ -+#define R_PPC_ADDR16 3 /* 16bit absolute address */ -+#define R_PPC_ADDR16_LO 4 /* lower 16bit of absolute address */ -+#define R_PPC_ADDR16_HI 5 /* high 16bit of absolute address */ -+#define R_PPC_ADDR16_HA 6 /* adjusted high 16bit */ -+#define R_PPC_ADDR14 7 /* 16bit address, 2 bits ignored */ -+#define R_PPC_ADDR14_BRTAKEN 8 -+#define R_PPC_ADDR14_BRNTAKEN 9 -+#define R_PPC_REL24 10 /* PC relative 26 bit */ -+#define R_PPC_REL14 11 /* PC relative 16 bit */ -+#define R_PPC_REL14_BRTAKEN 12 -+#define R_PPC_REL14_BRNTAKEN 13 -+#define R_PPC_GOT16 14 -+#define R_PPC_GOT16_LO 15 -+#define R_PPC_GOT16_HI 16 -+#define R_PPC_GOT16_HA 17 -+#define R_PPC_PLTREL24 18 -+#define R_PPC_COPY 19 -+#define R_PPC_GLOB_DAT 20 -+#define R_PPC_JMP_SLOT 21 -+#define R_PPC_RELATIVE 22 -+#define R_PPC_LOCAL24PC 23 -+#define R_PPC_UADDR32 24 -+#define R_PPC_UADDR16 25 -+#define R_PPC_REL32 26 -+#define R_PPC_PLT32 27 -+#define R_PPC_PLTREL32 28 -+#define R_PPC_PLT16_LO 29 -+#define R_PPC_PLT16_HI 30 -+#define R_PPC_PLT16_HA 31 -+#define R_PPC_SDAREL16 32 -+#define R_PPC_SECTOFF 33 -+#define R_PPC_SECTOFF_LO 34 -+#define R_PPC_SECTOFF_HI 35 -+#define R_PPC_SECTOFF_HA 36 -+ -+/* PowerPC relocations defined for the TLS access ABI. */ -+#define R_PPC_TLS 67 /* none (sym+add)@tls */ -+#define R_PPC_DTPMOD32 68 /* word32 (sym+add)@dtpmod */ -+#define R_PPC_TPREL16 69 /* half16* (sym+add)@tprel */ -+#define R_PPC_TPREL16_LO 70 /* half16 (sym+add)@tprel@l */ -+#define R_PPC_TPREL16_HI 71 /* half16 (sym+add)@tprel@h */ -+#define R_PPC_TPREL16_HA 72 /* half16 (sym+add)@tprel@ha */ -+#define R_PPC_TPREL32 73 /* word32 (sym+add)@tprel */ -+#define R_PPC_DTPREL16 74 /* half16* (sym+add)@dtprel */ -+#define R_PPC_DTPREL16_LO 75 /* half16 (sym+add)@dtprel@l */ -+#define R_PPC_DTPREL16_HI 76 /* half16 (sym+add)@dtprel@h */ -+#define R_PPC_DTPREL16_HA 77 /* half16 (sym+add)@dtprel@ha */ -+#define R_PPC_DTPREL32 78 /* word32 (sym+add)@dtprel */ -+#define R_PPC_GOT_TLSGD16 79 /* half16* (sym+add)@got@tlsgd */ -+#define R_PPC_GOT_TLSGD16_LO 80 /* half16 (sym+add)@got@tlsgd@l */ -+#define R_PPC_GOT_TLSGD16_HI 81 /* half16 (sym+add)@got@tlsgd@h */ -+#define R_PPC_GOT_TLSGD16_HA 82 /* half16 (sym+add)@got@tlsgd@ha */ -+#define R_PPC_GOT_TLSLD16 83 /* half16* (sym+add)@got@tlsld */ -+#define R_PPC_GOT_TLSLD16_LO 84 /* half16 (sym+add)@got@tlsld@l */ -+#define R_PPC_GOT_TLSLD16_HI 85 /* half16 (sym+add)@got@tlsld@h */ -+#define R_PPC_GOT_TLSLD16_HA 86 /* half16 (sym+add)@got@tlsld@ha */ -+#define R_PPC_GOT_TPREL16 87 /* half16* (sym+add)@got@tprel */ -+#define R_PPC_GOT_TPREL16_LO 88 /* half16 (sym+add)@got@tprel@l */ -+#define R_PPC_GOT_TPREL16_HI 89 /* half16 (sym+add)@got@tprel@h */ -+#define R_PPC_GOT_TPREL16_HA 90 /* half16 (sym+add)@got@tprel@ha */ -+#define R_PPC_GOT_DTPREL16 91 /* half16* (sym+add)@got@dtprel */ -+#define R_PPC_GOT_DTPREL16_LO 92 /* half16* (sym+add)@got@dtprel@l */ -+#define R_PPC_GOT_DTPREL16_HI 93 /* half16* (sym+add)@got@dtprel@h */ -+#define R_PPC_GOT_DTPREL16_HA 94 /* half16* (sym+add)@got@dtprel@ha */ -+ -+/* Keep this the last entry. */ -+#define R_PPC_NUM 95 -+ -+/* The remaining relocs are from the Embedded ELF ABI, and are not -+ in the SVR4 ELF ABI. */ -+#define R_PPC_EMB_NADDR32 101 -+#define R_PPC_EMB_NADDR16 102 -+#define R_PPC_EMB_NADDR16_LO 103 -+#define R_PPC_EMB_NADDR16_HI 104 -+#define R_PPC_EMB_NADDR16_HA 105 -+#define R_PPC_EMB_SDAI16 106 -+#define R_PPC_EMB_SDA2I16 107 -+#define R_PPC_EMB_SDA2REL 108 -+#define R_PPC_EMB_SDA21 109 /* 16 bit offset in SDA */ -+#define R_PPC_EMB_MRKREF 110 -+#define R_PPC_EMB_RELSEC16 111 -+#define R_PPC_EMB_RELST_LO 112 -+#define R_PPC_EMB_RELST_HI 113 -+#define R_PPC_EMB_RELST_HA 114 -+#define R_PPC_EMB_BIT_FLD 115 -+#define R_PPC_EMB_RELSDA 116 /* 16 bit relative offset in SDA */ -+ -+/* Diab tool relocations. */ -+#define R_PPC_DIAB_SDA21_LO 180 /* like EMB_SDA21, but lower 16 bit */ -+#define R_PPC_DIAB_SDA21_HI 181 /* like EMB_SDA21, but high 16 bit */ -+#define R_PPC_DIAB_SDA21_HA 182 /* like EMB_SDA21, adjusted high 16 */ -+#define R_PPC_DIAB_RELSDA_LO 183 /* like EMB_RELSDA, but lower 16 bit */ -+#define R_PPC_DIAB_RELSDA_HI 184 /* like EMB_RELSDA, but high 16 bit */ -+#define R_PPC_DIAB_RELSDA_HA 185 /* like EMB_RELSDA, adjusted high 16 */ -+ -+/* This is a phony reloc to handle any old fashioned TOC16 references -+ that may still be in object files. */ -+#define R_PPC_TOC16 255 -+ -+ -+/* PowerPC64 relocations defined by the ABIs */ -+#define R_PPC64_NONE R_PPC_NONE -+#define R_PPC64_ADDR32 R_PPC_ADDR32 /* 32bit absolute address */ -+#define R_PPC64_ADDR24 R_PPC_ADDR24 /* 26bit address, word aligned */ -+#define R_PPC64_ADDR16 R_PPC_ADDR16 /* 16bit absolute address */ -+#define R_PPC64_ADDR16_LO R_PPC_ADDR16_LO /* lower 16bits of address */ -+#define R_PPC64_ADDR16_HI R_PPC_ADDR16_HI /* high 16bits of address. */ -+#define R_PPC64_ADDR16_HA R_PPC_ADDR16_HA /* adjusted high 16bits. */ -+#define R_PPC64_ADDR14 R_PPC_ADDR14 /* 16bit address, word aligned */ -+#define R_PPC64_ADDR14_BRTAKEN R_PPC_ADDR14_BRTAKEN -+#define R_PPC64_ADDR14_BRNTAKEN R_PPC_ADDR14_BRNTAKEN -+#define R_PPC64_REL24 R_PPC_REL24 /* PC-rel. 26 bit, word aligned */ -+#define R_PPC64_REL14 R_PPC_REL14 /* PC relative 16 bit */ -+#define R_PPC64_REL14_BRTAKEN R_PPC_REL14_BRTAKEN -+#define R_PPC64_REL14_BRNTAKEN R_PPC_REL14_BRNTAKEN -+#define R_PPC64_GOT16 R_PPC_GOT16 -+#define R_PPC64_GOT16_LO R_PPC_GOT16_LO -+#define R_PPC64_GOT16_HI R_PPC_GOT16_HI -+#define R_PPC64_GOT16_HA R_PPC_GOT16_HA -+ -+#define R_PPC64_COPY R_PPC_COPY -+#define R_PPC64_GLOB_DAT R_PPC_GLOB_DAT -+#define R_PPC64_JMP_SLOT R_PPC_JMP_SLOT -+#define R_PPC64_RELATIVE R_PPC_RELATIVE -+ -+#define R_PPC64_UADDR32 R_PPC_UADDR32 -+#define R_PPC64_UADDR16 R_PPC_UADDR16 -+#define R_PPC64_REL32 R_PPC_REL32 -+#define R_PPC64_PLT32 R_PPC_PLT32 -+#define R_PPC64_PLTREL32 R_PPC_PLTREL32 -+#define R_PPC64_PLT16_LO R_PPC_PLT16_LO -+#define R_PPC64_PLT16_HI R_PPC_PLT16_HI -+#define R_PPC64_PLT16_HA R_PPC_PLT16_HA -+ -+#define R_PPC64_SECTOFF R_PPC_SECTOFF -+#define R_PPC64_SECTOFF_LO R_PPC_SECTOFF_LO -+#define R_PPC64_SECTOFF_HI R_PPC_SECTOFF_HI -+#define R_PPC64_SECTOFF_HA R_PPC_SECTOFF_HA -+#define R_PPC64_ADDR30 37 /* word30 (S + A - P) >> 2 */ -+#define R_PPC64_ADDR64 38 /* doubleword64 S + A */ -+#define R_PPC64_ADDR16_HIGHER 39 /* half16 #higher(S + A) */ -+#define R_PPC64_ADDR16_HIGHERA 40 /* half16 #highera(S + A) */ -+#define R_PPC64_ADDR16_HIGHEST 41 /* half16 #highest(S + A) */ -+#define R_PPC64_ADDR16_HIGHESTA 42 /* half16 #highesta(S + A) */ -+#define R_PPC64_UADDR64 43 /* doubleword64 S + A */ -+#define R_PPC64_REL64 44 /* doubleword64 S + A - P */ -+#define R_PPC64_PLT64 45 /* doubleword64 L + A */ -+#define R_PPC64_PLTREL64 46 /* doubleword64 L + A - P */ -+#define R_PPC64_TOC16 47 /* half16* S + A - .TOC */ -+#define R_PPC64_TOC16_LO 48 /* half16 #lo(S + A - .TOC.) */ -+#define R_PPC64_TOC16_HI 49 /* half16 #hi(S + A - .TOC.) */ -+#define R_PPC64_TOC16_HA 50 /* half16 #ha(S + A - .TOC.) */ -+#define R_PPC64_TOC 51 /* doubleword64 .TOC */ -+#define R_PPC64_PLTGOT16 52 /* half16* M + A */ -+#define R_PPC64_PLTGOT16_LO 53 /* half16 #lo(M + A) */ -+#define R_PPC64_PLTGOT16_HI 54 /* half16 #hi(M + A) */ -+#define R_PPC64_PLTGOT16_HA 55 /* half16 #ha(M + A) */ -+ -+#define R_PPC64_ADDR16_DS 56 /* half16ds* (S + A) >> 2 */ -+#define R_PPC64_ADDR16_LO_DS 57 /* half16ds #lo(S + A) >> 2 */ -+#define R_PPC64_GOT16_DS 58 /* half16ds* (G + A) >> 2 */ -+#define R_PPC64_GOT16_LO_DS 59 /* half16ds #lo(G + A) >> 2 */ -+#define R_PPC64_PLT16_LO_DS 60 /* half16ds #lo(L + A) >> 2 */ -+#define R_PPC64_SECTOFF_DS 61 /* half16ds* (R + A) >> 2 */ -+#define R_PPC64_SECTOFF_LO_DS 62 /* half16ds #lo(R + A) >> 2 */ -+#define R_PPC64_TOC16_DS 63 /* half16ds* (S + A - .TOC.) >> 2 */ -+#define R_PPC64_TOC16_LO_DS 64 /* half16ds #lo(S + A - .TOC.) >> 2 */ -+#define R_PPC64_PLTGOT16_DS 65 /* half16ds* (M + A) >> 2 */ -+#define R_PPC64_PLTGOT16_LO_DS 66 /* half16ds #lo(M + A) >> 2 */ -+ -+/* PowerPC64 relocations defined for the TLS access ABI. */ -+#define R_PPC64_TLS 67 /* none (sym+add)@tls */ -+#define R_PPC64_DTPMOD64 68 /* doubleword64 (sym+add)@dtpmod */ -+#define R_PPC64_TPREL16 69 /* half16* (sym+add)@tprel */ -+#define R_PPC64_TPREL16_LO 70 /* half16 (sym+add)@tprel@l */ -+#define R_PPC64_TPREL16_HI 71 /* half16 (sym+add)@tprel@h */ -+#define R_PPC64_TPREL16_HA 72 /* half16 (sym+add)@tprel@ha */ -+#define R_PPC64_TPREL64 73 /* doubleword64 (sym+add)@tprel */ -+#define R_PPC64_DTPREL16 74 /* half16* (sym+add)@dtprel */ -+#define R_PPC64_DTPREL16_LO 75 /* half16 (sym+add)@dtprel@l */ -+#define R_PPC64_DTPREL16_HI 76 /* half16 (sym+add)@dtprel@h */ -+#define R_PPC64_DTPREL16_HA 77 /* half16 (sym+add)@dtprel@ha */ -+#define R_PPC64_DTPREL64 78 /* doubleword64 (sym+add)@dtprel */ -+#define R_PPC64_GOT_TLSGD16 79 /* half16* (sym+add)@got@tlsgd */ -+#define R_PPC64_GOT_TLSGD16_LO 80 /* half16 (sym+add)@got@tlsgd@l */ -+#define R_PPC64_GOT_TLSGD16_HI 81 /* half16 (sym+add)@got@tlsgd@h */ -+#define R_PPC64_GOT_TLSGD16_HA 82 /* half16 (sym+add)@got@tlsgd@ha */ -+#define R_PPC64_GOT_TLSLD16 83 /* half16* (sym+add)@got@tlsld */ -+#define R_PPC64_GOT_TLSLD16_LO 84 /* half16 (sym+add)@got@tlsld@l */ -+#define R_PPC64_GOT_TLSLD16_HI 85 /* half16 (sym+add)@got@tlsld@h */ -+#define R_PPC64_GOT_TLSLD16_HA 86 /* half16 (sym+add)@got@tlsld@ha */ -+#define R_PPC64_GOT_TPREL16_DS 87 /* half16ds* (sym+add)@got@tprel */ -+#define R_PPC64_GOT_TPREL16_LO_DS 88 /* half16ds (sym+add)@got@tprel@l */ -+#define R_PPC64_GOT_TPREL16_HI 89 /* half16 (sym+add)@got@tprel@h */ -+#define R_PPC64_GOT_TPREL16_HA 90 /* half16 (sym+add)@got@tprel@ha */ -+#define R_PPC64_GOT_DTPREL16_DS 91 /* half16ds* (sym+add)@got@dtprel */ -+#define R_PPC64_GOT_DTPREL16_LO_DS 92 /* half16ds (sym+add)@got@dtprel@l */ -+#define R_PPC64_GOT_DTPREL16_HI 93 /* half16 (sym+add)@got@dtprel@h */ -+#define R_PPC64_GOT_DTPREL16_HA 94 /* half16 (sym+add)@got@dtprel@ha */ -+#define R_PPC64_TPREL16_DS 95 /* half16ds* (sym+add)@tprel */ -+#define R_PPC64_TPREL16_LO_DS 96 /* half16ds (sym+add)@tprel@l */ -+#define R_PPC64_TPREL16_HIGHER 97 /* half16 (sym+add)@tprel@higher */ -+#define R_PPC64_TPREL16_HIGHERA 98 /* half16 (sym+add)@tprel@highera */ -+#define R_PPC64_TPREL16_HIGHEST 99 /* half16 (sym+add)@tprel@highest */ -+#define R_PPC64_TPREL16_HIGHESTA 100 /* half16 (sym+add)@tprel@highesta */ -+#define R_PPC64_DTPREL16_DS 101 /* half16ds* (sym+add)@dtprel */ -+#define R_PPC64_DTPREL16_LO_DS 102 /* half16ds (sym+add)@dtprel@l */ -+#define R_PPC64_DTPREL16_HIGHER 103 /* half16 (sym+add)@dtprel@higher */ -+#define R_PPC64_DTPREL16_HIGHERA 104 /* half16 (sym+add)@dtprel@highera */ -+#define R_PPC64_DTPREL16_HIGHEST 105 /* half16 (sym+add)@dtprel@highest */ -+#define R_PPC64_DTPREL16_HIGHESTA 106 /* half16 (sym+add)@dtprel@highesta */ -+ -+/* Keep this the last entry. */ -+#define R_PPC64_NUM 107 -+ -+/* PowerPC64 specific values for the Dyn d_tag field. */ -+#define DT_PPC64_GLINK (DT_LOPROC + 0) -+#define DT_PPC64_NUM 1 -+ -+ -+/* ARM specific declarations */ -+ -+/* Processor specific flags for the ELF header e_flags field. */ -+#define EF_ARM_RELEXEC 0x01 -+#define EF_ARM_HASENTRY 0x02 -+#define EF_ARM_INTERWORK 0x04 -+#define EF_ARM_APCS_26 0x08 -+#define EF_ARM_APCS_FLOAT 0x10 -+#define EF_ARM_PIC 0x20 -+#define EF_ARM_ALIGN8 0x40 /* 8-bit structure alignment is in use */ -+#define EF_ARM_NEW_ABI 0x80 -+#define EF_ARM_OLD_ABI 0x100 -+ -+/* Other constants defined in the ARM ELF spec. version B-01. */ -+/* NB. These conflict with values defined above. */ -+#define EF_ARM_SYMSARESORTED 0x04 -+#define EF_ARM_DYNSYMSUSESEGIDX 0x08 -+#define EF_ARM_MAPSYMSFIRST 0x10 -+#define EF_ARM_EABIMASK 0XFF000000 -+ -+#define EF_ARM_EABI_VERSION(flags) ((flags) & EF_ARM_EABIMASK) -+#define EF_ARM_EABI_UNKNOWN 0x00000000 -+#define EF_ARM_EABI_VER1 0x01000000 -+#define EF_ARM_EABI_VER2 0x02000000 -+ -+/* Additional symbol types for Thumb */ -+#define STT_ARM_TFUNC 0xd -+ -+/* ARM-specific values for sh_flags */ -+#define SHF_ARM_ENTRYSECT 0x10000000 /* Section contains an entry point */ -+#define SHF_ARM_COMDEF 0x80000000 /* Section may be multiply defined -+ in the input to a link step */ -+ -+/* ARM-specific program header flags */ -+#define PF_ARM_SB 0x10000000 /* Segment contains the location -+ addressed by the static base */ -+ -+/* ARM relocs. */ -+#define R_ARM_NONE 0 /* No reloc */ -+#define R_ARM_PC24 1 /* PC relative 26 bit branch */ -+#define R_ARM_ABS32 2 /* Direct 32 bit */ -+#define R_ARM_REL32 3 /* PC relative 32 bit */ -+#define R_ARM_PC13 4 -+#define R_ARM_ABS16 5 /* Direct 16 bit */ -+#define R_ARM_ABS12 6 /* Direct 12 bit */ -+#define R_ARM_THM_ABS5 7 -+#define R_ARM_ABS8 8 /* Direct 8 bit */ -+#define R_ARM_SBREL32 9 -+#define R_ARM_THM_PC22 10 -+#define R_ARM_THM_PC8 11 -+#define R_ARM_AMP_VCALL9 12 -+#define R_ARM_SWI24 13 -+#define R_ARM_THM_SWI8 14 -+#define R_ARM_XPC25 15 -+#define R_ARM_THM_XPC22 16 -+#define R_ARM_COPY 20 /* Copy symbol at runtime */ -+#define R_ARM_GLOB_DAT 21 /* Create GOT entry */ -+#define R_ARM_JUMP_SLOT 22 /* Create PLT entry */ -+#define R_ARM_RELATIVE 23 /* Adjust by program base */ -+#define R_ARM_GOTOFF 24 /* 32 bit offset to GOT */ -+#define R_ARM_GOTPC 25 /* 32 bit PC relative offset to GOT */ -+#define R_ARM_GOT32 26 /* 32 bit GOT entry */ -+#define R_ARM_PLT32 27 /* 32 bit PLT address */ -+#define R_ARM_ALU_PCREL_7_0 32 -+#define R_ARM_ALU_PCREL_15_8 33 -+#define R_ARM_ALU_PCREL_23_15 34 -+#define R_ARM_LDR_SBREL_11_0 35 -+#define R_ARM_ALU_SBREL_19_12 36 -+#define R_ARM_ALU_SBREL_27_20 37 -+#define R_ARM_GNU_VTENTRY 100 -+#define R_ARM_GNU_VTINHERIT 101 -+#define R_ARM_THM_PC11 102 /* thumb unconditional branch */ -+#define R_ARM_THM_PC9 103 /* thumb conditional branch */ -+#define R_ARM_RXPC25 249 -+#define R_ARM_RSBREL32 250 -+#define R_ARM_THM_RPC22 251 -+#define R_ARM_RREL32 252 -+#define R_ARM_RABS22 253 -+#define R_ARM_RPC24 254 -+#define R_ARM_RBASE 255 -+/* Keep this the last entry. */ -+#define R_ARM_NUM 256 -+ -+/* IA-64 specific declarations. */ -+ -+/* Processor specific flags for the Ehdr e_flags field. */ -+#define EF_IA_64_MASKOS 0x0000000f /* os-specific flags */ -+#define EF_IA_64_ABI64 0x00000010 /* 64-bit ABI */ -+#define EF_IA_64_ARCH 0xff000000 /* arch. version mask */ -+ -+/* Processor specific values for the Phdr p_type field. */ -+#define PT_IA_64_ARCHEXT (PT_LOPROC + 0) /* arch extension bits */ -+#define PT_IA_64_UNWIND (PT_LOPROC + 1) /* ia64 unwind bits */ -+ -+/* Processor specific flags for the Phdr p_flags field. */ -+#define PF_IA_64_NORECOV 0x80000000 /* spec insns w/o recovery */ -+ -+/* Processor specific values for the Shdr sh_type field. */ -+#define SHT_IA_64_EXT (SHT_LOPROC + 0) /* extension bits */ -+#define SHT_IA_64_UNWIND (SHT_LOPROC + 1) /* unwind bits */ -+ -+/* Processor specific flags for the Shdr sh_flags field. */ -+#define SHF_IA_64_SHORT 0x10000000 /* section near gp */ -+#define SHF_IA_64_NORECOV 0x20000000 /* spec insns w/o recovery */ -+ -+/* Processor specific values for the Dyn d_tag field. */ -+#define DT_IA_64_PLT_RESERVE (DT_LOPROC + 0) -+#define DT_IA_64_NUM 1 -+ -+/* IA-64 relocations. */ -+#define R_IA64_NONE 0x00 /* none */ -+#define R_IA64_IMM14 0x21 /* symbol + addend, add imm14 */ -+#define R_IA64_IMM22 0x22 /* symbol + addend, add imm22 */ -+#define R_IA64_IMM64 0x23 /* symbol + addend, mov imm64 */ -+#define R_IA64_DIR32MSB 0x24 /* symbol + addend, data4 MSB */ -+#define R_IA64_DIR32LSB 0x25 /* symbol + addend, data4 LSB */ -+#define R_IA64_DIR64MSB 0x26 /* symbol + addend, data8 MSB */ -+#define R_IA64_DIR64LSB 0x27 /* symbol + addend, data8 LSB */ -+#define R_IA64_GPREL22 0x2a /* @gprel(sym + add), add imm22 */ -+#define R_IA64_GPREL64I 0x2b /* @gprel(sym + add), mov imm64 */ -+#define R_IA64_GPREL32MSB 0x2c /* @gprel(sym + add), data4 MSB */ -+#define R_IA64_GPREL32LSB 0x2d /* @gprel(sym + add), data4 LSB */ -+#define R_IA64_GPREL64MSB 0x2e /* @gprel(sym + add), data8 MSB */ -+#define R_IA64_GPREL64LSB 0x2f /* @gprel(sym + add), data8 LSB */ -+#define R_IA64_LTOFF22 0x32 /* @ltoff(sym + add), add imm22 */ -+#define R_IA64_LTOFF64I 0x33 /* @ltoff(sym + add), mov imm64 */ -+#define R_IA64_PLTOFF22 0x3a /* @pltoff(sym + add), add imm22 */ -+#define R_IA64_PLTOFF64I 0x3b /* @pltoff(sym + add), mov imm64 */ -+#define R_IA64_PLTOFF64MSB 0x3e /* @pltoff(sym + add), data8 MSB */ -+#define R_IA64_PLTOFF64LSB 0x3f /* @pltoff(sym + add), data8 LSB */ -+#define R_IA64_FPTR64I 0x43 /* @fptr(sym + add), mov imm64 */ -+#define R_IA64_FPTR32MSB 0x44 /* @fptr(sym + add), data4 MSB */ -+#define R_IA64_FPTR32LSB 0x45 /* @fptr(sym + add), data4 LSB */ -+#define R_IA64_FPTR64MSB 0x46 /* @fptr(sym + add), data8 MSB */ -+#define R_IA64_FPTR64LSB 0x47 /* @fptr(sym + add), data8 LSB */ -+#define R_IA64_PCREL60B 0x48 /* @pcrel(sym + add), brl */ -+#define R_IA64_PCREL21B 0x49 /* @pcrel(sym + add), ptb, call */ -+#define R_IA64_PCREL21M 0x4a /* @pcrel(sym + add), chk.s */ -+#define R_IA64_PCREL21F 0x4b /* @pcrel(sym + add), fchkf */ -+#define R_IA64_PCREL32MSB 0x4c /* @pcrel(sym + add), data4 MSB */ -+#define R_IA64_PCREL32LSB 0x4d /* @pcrel(sym + add), data4 LSB */ -+#define R_IA64_PCREL64MSB 0x4e /* @pcrel(sym + add), data8 MSB */ -+#define R_IA64_PCREL64LSB 0x4f /* @pcrel(sym + add), data8 LSB */ -+#define R_IA64_LTOFF_FPTR22 0x52 /* @ltoff(@fptr(s+a)), imm22 */ -+#define R_IA64_LTOFF_FPTR64I 0x53 /* @ltoff(@fptr(s+a)), imm64 */ -+#define R_IA64_LTOFF_FPTR32MSB 0x54 /* @ltoff(@fptr(s+a)), data4 MSB */ -+#define R_IA64_LTOFF_FPTR32LSB 0x55 /* @ltoff(@fptr(s+a)), data4 LSB */ -+#define R_IA64_LTOFF_FPTR64MSB 0x56 /* @ltoff(@fptr(s+a)), data8 MSB */ -+#define R_IA64_LTOFF_FPTR64LSB 0x57 /* @ltoff(@fptr(s+a)), data8 LSB */ -+#define R_IA64_SEGREL32MSB 0x5c /* @segrel(sym + add), data4 MSB */ -+#define R_IA64_SEGREL32LSB 0x5d /* @segrel(sym + add), data4 LSB */ -+#define R_IA64_SEGREL64MSB 0x5e /* @segrel(sym + add), data8 MSB */ -+#define R_IA64_SEGREL64LSB 0x5f /* @segrel(sym + add), data8 LSB */ -+#define R_IA64_SECREL32MSB 0x64 /* @secrel(sym + add), data4 MSB */ -+#define R_IA64_SECREL32LSB 0x65 /* @secrel(sym + add), data4 LSB */ -+#define R_IA64_SECREL64MSB 0x66 /* @secrel(sym + add), data8 MSB */ -+#define R_IA64_SECREL64LSB 0x67 /* @secrel(sym + add), data8 LSB */ -+#define R_IA64_REL32MSB 0x6c /* data 4 + REL */ -+#define R_IA64_REL32LSB 0x6d /* data 4 + REL */ -+#define R_IA64_REL64MSB 0x6e /* data 8 + REL */ -+#define R_IA64_REL64LSB 0x6f /* data 8 + REL */ -+#define R_IA64_LTV32MSB 0x74 /* symbol + addend, data4 MSB */ -+#define R_IA64_LTV32LSB 0x75 /* symbol + addend, data4 LSB */ -+#define R_IA64_LTV64MSB 0x76 /* symbol + addend, data8 MSB */ -+#define R_IA64_LTV64LSB 0x77 /* symbol + addend, data8 LSB */ -+#define R_IA64_PCREL21BI 0x79 /* @pcrel(sym + add), 21bit inst */ -+#define R_IA64_PCREL22 0x7a /* @pcrel(sym + add), 22bit inst */ -+#define R_IA64_PCREL64I 0x7b /* @pcrel(sym + add), 64bit inst */ -+#define R_IA64_IPLTMSB 0x80 /* dynamic reloc, imported PLT, MSB */ -+#define R_IA64_IPLTLSB 0x81 /* dynamic reloc, imported PLT, LSB */ -+#define R_IA64_COPY 0x84 /* copy relocation */ -+#define R_IA64_SUB 0x85 /* Addend and symbol difference */ -+#define R_IA64_LTOFF22X 0x86 /* LTOFF22, relaxable. */ -+#define R_IA64_LDXMOV 0x87 /* Use of LTOFF22X. */ -+#define R_IA64_TPREL14 0x91 /* @tprel(sym + add), imm14 */ -+#define R_IA64_TPREL22 0x92 /* @tprel(sym + add), imm22 */ -+#define R_IA64_TPREL64I 0x93 /* @tprel(sym + add), imm64 */ -+#define R_IA64_TPREL64MSB 0x96 /* @tprel(sym + add), data8 MSB */ -+#define R_IA64_TPREL64LSB 0x97 /* @tprel(sym + add), data8 LSB */ -+#define R_IA64_LTOFF_TPREL22 0x9a /* @ltoff(@tprel(s+a)), imm2 */ -+#define R_IA64_DTPMOD64MSB 0xa6 /* @dtpmod(sym + add), data8 MSB */ -+#define R_IA64_DTPMOD64LSB 0xa7 /* @dtpmod(sym + add), data8 LSB */ -+#define R_IA64_LTOFF_DTPMOD22 0xaa /* @ltoff(@dtpmod(sym + add)), imm22 */ -+#define R_IA64_DTPREL14 0xb1 /* @dtprel(sym + add), imm14 */ -+#define R_IA64_DTPREL22 0xb2 /* @dtprel(sym + add), imm22 */ -+#define R_IA64_DTPREL64I 0xb3 /* @dtprel(sym + add), imm64 */ -+#define R_IA64_DTPREL32MSB 0xb4 /* @dtprel(sym + add), data4 MSB */ -+#define R_IA64_DTPREL32LSB 0xb5 /* @dtprel(sym + add), data4 LSB */ -+#define R_IA64_DTPREL64MSB 0xb6 /* @dtprel(sym + add), data8 MSB */ -+#define R_IA64_DTPREL64LSB 0xb7 /* @dtprel(sym + add), data8 LSB */ -+#define R_IA64_LTOFF_DTPREL22 0xba /* @ltoff(@dtprel(s+a)), imm22 */ -+ -+/* SH specific declarations */ -+ -+/* SH relocs. */ -+#define R_SH_NONE 0 -+#define R_SH_DIR32 1 -+#define R_SH_REL32 2 -+#define R_SH_DIR8WPN 3 -+#define R_SH_IND12W 4 -+#define R_SH_DIR8WPL 5 -+#define R_SH_DIR8WPZ 6 -+#define R_SH_DIR8BP 7 -+#define R_SH_DIR8W 8 -+#define R_SH_DIR8L 9 -+#define R_SH_SWITCH16 25 -+#define R_SH_SWITCH32 26 -+#define R_SH_USES 27 -+#define R_SH_COUNT 28 -+#define R_SH_ALIGN 29 -+#define R_SH_CODE 30 -+#define R_SH_DATA 31 -+#define R_SH_LABEL 32 -+#define R_SH_SWITCH8 33 -+#define R_SH_GNU_VTINHERIT 34 -+#define R_SH_GNU_VTENTRY 35 -+#define R_SH_TLS_GD_32 144 -+#define R_SH_TLS_LD_32 145 -+#define R_SH_TLS_LDO_32 146 -+#define R_SH_TLS_IE_32 147 -+#define R_SH_TLS_LE_32 148 -+#define R_SH_TLS_DTPMOD32 149 -+#define R_SH_TLS_DTPOFF32 150 -+#define R_SH_TLS_TPOFF32 151 -+#define R_SH_GOT32 160 -+#define R_SH_PLT32 161 -+#define R_SH_COPY 162 -+#define R_SH_GLOB_DAT 163 -+#define R_SH_JMP_SLOT 164 -+#define R_SH_RELATIVE 165 -+#define R_SH_GOTOFF 166 -+#define R_SH_GOTPC 167 -+/* Keep this the last entry. */ -+#define R_SH_NUM 256 -+ -+/* Additional s390 relocs */ -+ -+#define R_390_NONE 0 /* No reloc. */ -+#define R_390_8 1 /* Direct 8 bit. */ -+#define R_390_12 2 /* Direct 12 bit. */ -+#define R_390_16 3 /* Direct 16 bit. */ -+#define R_390_32 4 /* Direct 32 bit. */ -+#define R_390_PC32 5 /* PC relative 32 bit. */ -+#define R_390_GOT12 6 /* 12 bit GOT offset. */ -+#define R_390_GOT32 7 /* 32 bit GOT offset. */ -+#define R_390_PLT32 8 /* 32 bit PC relative PLT address. */ -+#define R_390_COPY 9 /* Copy symbol at runtime. */ -+#define R_390_GLOB_DAT 10 /* Create GOT entry. */ -+#define R_390_JMP_SLOT 11 /* Create PLT entry. */ -+#define R_390_RELATIVE 12 /* Adjust by program base. */ -+#define R_390_GOTOFF32 13 /* 32 bit offset to GOT. */ -+#define R_390_GOTPC 14 /* 32 bit PC relative offset to GOT. */ -+#define R_390_GOT16 15 /* 16 bit GOT offset. */ -+#define R_390_PC16 16 /* PC relative 16 bit. */ -+#define R_390_PC16DBL 17 /* PC relative 16 bit shifted by 1. */ -+#define R_390_PLT16DBL 18 /* 16 bit PC rel. PLT shifted by 1. */ -+#define R_390_PC32DBL 19 /* PC relative 32 bit shifted by 1. */ -+#define R_390_PLT32DBL 20 /* 32 bit PC rel. PLT shifted by 1. */ -+#define R_390_GOTPCDBL 21 /* 32 bit PC rel. GOT shifted by 1. */ -+#define R_390_64 22 /* Direct 64 bit. */ -+#define R_390_PC64 23 /* PC relative 64 bit. */ -+#define R_390_GOT64 24 /* 64 bit GOT offset. */ -+#define R_390_PLT64 25 /* 64 bit PC relative PLT address. */ -+#define R_390_GOTENT 26 /* 32 bit PC rel. to GOT entry >> 1. */ -+#define R_390_GOTOFF16 27 /* 16 bit offset to GOT. */ -+#define R_390_GOTOFF64 28 /* 64 bit offset to GOT. */ -+#define R_390_GOTPLT12 29 /* 12 bit offset to jump slot. */ -+#define R_390_GOTPLT16 30 /* 16 bit offset to jump slot. */ -+#define R_390_GOTPLT32 31 /* 32 bit offset to jump slot. */ -+#define R_390_GOTPLT64 32 /* 64 bit offset to jump slot. */ -+#define R_390_GOTPLTENT 33 /* 32 bit rel. offset to jump slot. */ -+#define R_390_PLTOFF16 34 /* 16 bit offset from GOT to PLT. */ -+#define R_390_PLTOFF32 35 /* 32 bit offset from GOT to PLT. */ -+#define R_390_PLTOFF64 36 /* 16 bit offset from GOT to PLT. */ -+#define R_390_TLS_LOAD 37 /* Tag for load insn in TLS code. */ -+#define R_390_TLS_GDCALL 38 /* Tag for function call in general -+ dynamic TLS code. */ -+#define R_390_TLS_LDCALL 39 /* Tag for function call in local -+ dynamic TLS code. */ -+#define R_390_TLS_GD32 40 /* Direct 32 bit for general dynamic -+ thread local data. */ -+#define R_390_TLS_GD64 41 /* Direct 64 bit for general dynamic -+ thread local data. */ -+#define R_390_TLS_GOTIE12 42 /* 12 bit GOT offset for static TLS -+ block offset. */ -+#define R_390_TLS_GOTIE32 43 /* 32 bit GOT offset for static TLS -+ block offset. */ -+#define R_390_TLS_GOTIE64 44 /* 64 bit GOT offset for static TLS -+ block offset. */ -+#define R_390_TLS_LDM32 45 /* Direct 32 bit for local dynamic -+ thread local data in LE code. */ -+#define R_390_TLS_LDM64 46 /* Direct 64 bit for local dynamic -+ thread local data in LE code. */ -+#define R_390_TLS_IE32 47 /* 32 bit address of GOT entry for -+ negated static TLS block offset. */ -+#define R_390_TLS_IE64 48 /* 64 bit address of GOT entry for -+ negated static TLS block offset. */ -+#define R_390_TLS_IEENT 49 /* 32 bit rel. offset to GOT entry for -+ negated static TLS block offset. */ -+#define R_390_TLS_LE32 50 /* 32 bit negated offset relative to -+ static TLS block. */ -+#define R_390_TLS_LE64 51 /* 64 bit negated offset relative to -+ static TLS block. */ -+#define R_390_TLS_LDO32 52 /* 32 bit offset relative to TLS -+ block. */ -+#define R_390_TLS_LDO64 53 /* 64 bit offset relative to TLS -+ block. */ -+#define R_390_TLS_DTPMOD 54 /* ID of module containing symbol. */ -+#define R_390_TLS_DTPOFF 55 /* Offset in TLS block. */ -+#define R_390_TLS_TPOFF 56 /* Negated offset in static TLS -+ block. */ -+ -+/* Keep this the last entry. */ -+#define R_390_NUM 57 -+ -+/* CRIS relocations. */ -+#define R_CRIS_NONE 0 -+#define R_CRIS_8 1 -+#define R_CRIS_16 2 -+#define R_CRIS_32 3 -+#define R_CRIS_8_PCREL 4 -+#define R_CRIS_16_PCREL 5 -+#define R_CRIS_32_PCREL 6 -+#define R_CRIS_GNU_VTINHERIT 7 -+#define R_CRIS_GNU_VTENTRY 8 -+#define R_CRIS_COPY 9 -+#define R_CRIS_GLOB_DAT 10 -+#define R_CRIS_JUMP_SLOT 11 -+#define R_CRIS_RELATIVE 12 -+#define R_CRIS_16_GOT 13 -+#define R_CRIS_32_GOT 14 -+#define R_CRIS_16_GOTPLT 15 -+#define R_CRIS_32_GOTPLT 16 -+#define R_CRIS_32_GOTREL 17 -+#define R_CRIS_32_PLT_GOTREL 18 -+#define R_CRIS_32_PLT_PCREL 19 -+ -+#define R_CRIS_NUM 20 -+ -+/* AMD x86-64 relocations. */ -+#define R_X86_64_NONE 0 /* No reloc */ -+#define R_X86_64_64 1 /* Direct 64 bit */ -+#define R_X86_64_PC32 2 /* PC relative 32 bit signed */ -+#define R_X86_64_GOT32 3 /* 32 bit GOT entry */ -+#define R_X86_64_PLT32 4 /* 32 bit PLT address */ -+#define R_X86_64_COPY 5 /* Copy symbol at runtime */ -+#define R_X86_64_GLOB_DAT 6 /* Create GOT entry */ -+#define R_X86_64_JUMP_SLOT 7 /* Create PLT entry */ -+#define R_X86_64_RELATIVE 8 /* Adjust by program base */ -+#define R_X86_64_GOTPCREL 9 /* 32 bit signed PC relative -+ offset to GOT */ -+#define R_X86_64_32 10 /* Direct 32 bit zero extended */ -+#define R_X86_64_32S 11 /* Direct 32 bit sign extended */ -+#define R_X86_64_16 12 /* Direct 16 bit zero extended */ -+#define R_X86_64_PC16 13 /* 16 bit sign extended pc relative */ -+#define R_X86_64_8 14 /* Direct 8 bit sign extended */ -+#define R_X86_64_PC8 15 /* 8 bit sign extended pc relative */ -+#define R_X86_64_DTPMOD64 16 /* ID of module containing symbol */ -+#define R_X86_64_DTPOFF64 17 /* Offset in module's TLS block */ -+#define R_X86_64_TPOFF64 18 /* Offset in initial TLS block */ -+#define R_X86_64_TLSGD 19 /* 32 bit signed PC relative offset -+ to two GOT entries for GD symbol */ -+#define R_X86_64_TLSLD 20 /* 32 bit signed PC relative offset -+ to two GOT entries for LD symbol */ -+#define R_X86_64_DTPOFF32 21 /* Offset in TLS block */ -+#define R_X86_64_GOTTPOFF 22 /* 32 bit signed PC relative offset -+ to GOT entry for IE symbol */ -+#define R_X86_64_TPOFF32 23 /* Offset in initial TLS block */ -+ -+#define R_X86_64_NUM 24 -+ -+__END_DECLS -+ -+#endif /* elf.h */ - - #include "elfconfig.h" - -@@ -185,3 +2631,4 @@ - void fatal(const char *fmt, ...); - void warn(const char *fmt, ...); - void merror(const char *fmt, ...); -+ -diff -Nur linux-3.11.5.orig/scripts/mod/sumversion.c linux-3.11.5/scripts/mod/sumversion.c ---- linux-3.11.5.orig/scripts/mod/sumversion.c 2013-10-14 03:14:45.000000000 +0200 -+++ linux-3.11.5/scripts/mod/sumversion.c 2013-10-16 18:09:31.000000000 +0200 -@@ -1,4 +1,4 @@ --#include -+/* #include */ - #ifdef __sun__ - #include - #else -diff -Nur linux-3.11.5.orig/tools/include/tools/linux_types.h linux-3.11.5/tools/include/tools/linux_types.h ---- linux-3.11.5.orig/tools/include/tools/linux_types.h 1970-01-01 01:00:00.000000000 +0100 -+++ linux-3.11.5/tools/include/tools/linux_types.h 2013-10-16 18:09:31.000000000 +0200 -@@ -0,0 +1,22 @@ -+#ifndef __LINUX_TYPES_H -+#define __LINUX_TYPES_H -+ -+#include -+ -+typedef uint8_t __u8; -+typedef uint8_t __be8; -+typedef uint8_t __le8; -+ -+typedef uint16_t __u16; -+typedef uint16_t __be16; -+typedef uint16_t __le16; -+ -+typedef uint32_t __u32; -+typedef uint32_t __be32; -+typedef uint32_t __le32; -+ -+typedef uint64_t __u64; -+typedef uint64_t __be64; -+typedef uint64_t __le64; -+ -+#endif diff --git a/target/linux/patches/3.15-rc6/cleankernel.patch b/target/linux/patches/3.15-rc6/cleankernel.patch deleted file mode 100644 index d8c055dc3..000000000 --- a/target/linux/patches/3.15-rc6/cleankernel.patch +++ /dev/null @@ -1,11 +0,0 @@ -diff -Nur linux-3.11.5.orig/scripts/Makefile.headersinst linux-3.11.5/scripts/Makefile.headersinst ---- linux-3.11.5.orig/scripts/Makefile.headersinst 2013-10-14 03:14:45.000000000 +0200 -+++ linux-3.11.5/scripts/Makefile.headersinst 2013-10-15 16:33:10.000000000 +0200 -@@ -107,7 +107,6 @@ - - targets += $(install-file) - $(install-file): scripts/headers_install.sh $(input-files1) $(input-files2) $(input-files3) FORCE -- $(if $(unwanted),$(call cmd,remove),) - $(if $(wildcard $(dir $@)),,$(shell mkdir -p $(dir $@))) - $(call if_changed,install) - diff --git a/target/linux/patches/3.15-rc6/defaults.patch b/target/linux/patches/3.15-rc6/defaults.patch deleted file mode 100644 index 6cdca084e..000000000 --- a/target/linux/patches/3.15-rc6/defaults.patch +++ /dev/null @@ -1,46 +0,0 @@ -diff -Nur linux-3.0.4.orig/fs/Kconfig linux-3.0.4/fs/Kconfig ---- linux-3.0.4.orig/fs/Kconfig 2011-08-29 22:56:30.000000000 +0200 -+++ linux-3.0.4/fs/Kconfig 2011-10-15 22:08:44.000000000 +0200 -@@ -47,7 +47,7 @@ - def_bool n - - config EXPORTFS -- tristate -+ def_bool y - - config FILE_LOCKING - bool "Enable POSIX file locking API" if EXPERT -diff -Nur linux-3.0.4.orig/fs/notify/Kconfig linux-3.0.4/fs/notify/Kconfig ---- linux-3.0.4.orig/fs/notify/Kconfig 2011-08-29 22:56:30.000000000 +0200 -+++ linux-3.0.4/fs/notify/Kconfig 2011-10-15 22:02:00.000000000 +0200 -@@ -1,5 +1,5 @@ - config FSNOTIFY -- def_bool n -+ def_bool y - - source "fs/notify/dnotify/Kconfig" - source "fs/notify/inotify/Kconfig" -diff -Nur linux-3.11.10.orig/drivers/scsi/Kconfig linux-3.11.10/drivers/scsi/Kconfig ---- linux-3.11.10.orig/drivers/scsi/Kconfig 2013-11-29 19:42:37.000000000 +0100 -+++ linux-3.11.10/drivers/scsi/Kconfig 2013-12-27 19:13:21.000000000 +0100 -@@ -2,7 +2,7 @@ - - config SCSI_MOD - tristate -- default y if SCSI=n || SCSI=y -+ default y if SCSI=y - default m if SCSI=m - - config RAID_ATTRS -diff -Nur linux-3.11.10.orig/usr/Kconfig linux-3.11.10/usr/Kconfig ---- linux-3.11.10.orig/usr/Kconfig 2013-11-29 19:42:37.000000000 +0100 -+++ linux-3.11.10/usr/Kconfig 2013-12-27 19:15:16.000000000 +0100 -@@ -47,7 +47,7 @@ - - config RD_GZIP - bool "Support initial ramdisks compressed using gzip" if EXPERT -- default y -+ default n - depends on BLK_DEV_INITRD - select DECOMPRESS_GZIP - help diff --git a/target/linux/patches/3.15-rc6/disable-netfilter.patch b/target/linux/patches/3.15-rc6/disable-netfilter.patch deleted file mode 100644 index 7b1ca013a..000000000 --- a/target/linux/patches/3.15-rc6/disable-netfilter.patch +++ /dev/null @@ -1,160 +0,0 @@ -diff -Nur linux-3.7.3.orig/net/Kconfig linux-3.7.3/net/Kconfig ---- linux-3.7.3.orig/net/Kconfig 2013-01-17 17:47:40.000000000 +0100 -+++ linux-3.7.3/net/Kconfig 2013-01-19 18:19:55.000000000 +0100 -@@ -163,7 +163,7 @@ - config NETFILTER_ADVANCED - bool "Advanced netfilter configuration" - depends on NETFILTER -- default y -+ default n - help - If you say Y here you can select between all the netfilter modules. - If you say N the more unusual ones will not be shown and the -@@ -175,7 +175,7 @@ - bool "Bridged IP/ARP packets filtering" - depends on BRIDGE && NETFILTER && INET - depends on NETFILTER_ADVANCED -- default y -+ default n - ---help--- - Enabling this option will let arptables resp. iptables see bridged - ARP resp. IP traffic. If you want a bridging firewall, you probably -diff -Nur linux-3.7.3.orig/net/netfilter/Kconfig linux-3.7.3/net/netfilter/Kconfig ---- linux-3.7.3.orig/net/netfilter/Kconfig 2013-01-17 17:47:40.000000000 +0100 -+++ linux-3.7.3/net/netfilter/Kconfig 2013-01-19 18:21:41.000000000 +0100 -@@ -22,7 +22,6 @@ - - config NETFILTER_NETLINK_LOG - tristate "Netfilter LOG over NFNETLINK interface" -- default m if NETFILTER_ADVANCED=n - select NETFILTER_NETLINK - help - If this option is enabled, the kernel will include support -@@ -34,7 +33,6 @@ - - config NF_CONNTRACK - tristate "Netfilter connection tracking support" -- default m if NETFILTER_ADVANCED=n - help - Connection tracking keeps a record of what packets have passed - through your machine, in order to figure out how they are related -@@ -60,7 +58,6 @@ - config NF_CONNTRACK_SECMARK - bool 'Connection tracking security mark support' - depends on NETWORK_SECMARK -- default m if NETFILTER_ADVANCED=n - help - This option enables security markings to be applied to - connections. Typically they are copied to connections from -@@ -177,7 +174,6 @@ - - config NF_CONNTRACK_FTP - tristate "FTP protocol support" -- default m if NETFILTER_ADVANCED=n - help - Tracking FTP connections is problematic: special helpers are - required for tracking them, and doing masquerading and other forms -@@ -211,7 +207,6 @@ - - config NF_CONNTRACK_IRC - tristate "IRC protocol support" -- default m if NETFILTER_ADVANCED=n - help - There is a commonly-used extension to IRC called - Direct Client-to-Client Protocol (DCC). This enables users to send -@@ -296,7 +291,6 @@ - - config NF_CONNTRACK_SIP - tristate "SIP protocol support" -- default m if NETFILTER_ADVANCED=n - help - SIP is an application-layer control protocol that can establish, - modify, and terminate multimedia sessions (conferences) such as -@@ -320,7 +314,6 @@ - config NF_CT_NETLINK - tristate 'Connection tracking netlink interface' - select NETFILTER_NETLINK -- default m if NETFILTER_ADVANCED=n - help - This option enables support for a netlink-based userspace interface - -@@ -424,7 +417,6 @@ - - config NETFILTER_XTABLES - tristate "Netfilter Xtables support (required for ip_tables)" -- default m if NETFILTER_ADVANCED=n - help - This is required if you intend to use any of ip_tables, - ip6_tables or arp_tables. -@@ -435,7 +427,6 @@ - - config NETFILTER_XT_MARK - tristate 'nfmark target and match support' -- default m if NETFILTER_ADVANCED=n - ---help--- - This option adds the "MARK" target and "mark" match. - -@@ -527,7 +518,6 @@ - config NETFILTER_XT_TARGET_CONNSECMARK - tristate '"CONNSECMARK" target support' - depends on NF_CONNTRACK && NF_CONNTRACK_SECMARK -- default m if NETFILTER_ADVANCED=n - help - The CONNSECMARK target copies security markings from packets - to connections, and restores security markings from connections -@@ -632,7 +622,6 @@ - - config NETFILTER_XT_TARGET_LOG - tristate "LOG target support" -- default m if NETFILTER_ADVANCED=n - help - This option adds a `LOG' target, which allows you to create rules in - any iptables table which records the packet header to the syslog. -@@ -660,7 +649,6 @@ - - config NETFILTER_XT_TARGET_NFLOG - tristate '"NFLOG" target support' -- default m if NETFILTER_ADVANCED=n - select NETFILTER_NETLINK_LOG - help - This option enables the NFLOG target, which allows to LOG -@@ -741,7 +729,6 @@ - config NETFILTER_XT_TARGET_SECMARK - tristate '"SECMARK" target support' - depends on NETWORK_SECMARK -- default m if NETFILTER_ADVANCED=n - help - The SECMARK target allows security marking of network - packets, for use with security subsystems. -@@ -751,7 +738,6 @@ - config NETFILTER_XT_TARGET_TCPMSS - tristate '"TCPMSS" target support' - depends on (IPV6 || IPV6=n) -- default m if NETFILTER_ADVANCED=n - ---help--- - This option adds a `TCPMSS' target, which allows you to alter the - MSS value of TCP SYN packets, to control the maximum size for that -@@ -856,7 +842,6 @@ - config NETFILTER_XT_MATCH_CONNTRACK - tristate '"conntrack" connection tracking match support' - depends on NF_CONNTRACK -- default m if NETFILTER_ADVANCED=n - help - This is a general conntrack match module, a superset of the state match. - -@@ -1063,7 +1048,6 @@ - config NETFILTER_XT_MATCH_POLICY - tristate 'IPsec "policy" match support' - depends on XFRM -- default m if NETFILTER_ADVANCED=n - help - Policy matching allows you to match packets based on the - IPsec policy that was used during decapsulation/will -@@ -1170,7 +1154,6 @@ - config NETFILTER_XT_MATCH_STATE - tristate '"state" match support' - depends on NF_CONNTRACK -- default m if NETFILTER_ADVANCED=n - help - Connection state matching allows you to match packets based on their - relationship to a tracked connection (ie. previous packets). This diff --git a/target/linux/patches/3.15-rc6/export-symbol-for-exmap.patch b/target/linux/patches/3.15-rc6/export-symbol-for-exmap.patch deleted file mode 100644 index 4f0fc8449..000000000 --- a/target/linux/patches/3.15-rc6/export-symbol-for-exmap.patch +++ /dev/null @@ -1,11 +0,0 @@ -diff -Nur linux-3.11.5.orig/kernel/pid.c linux-3.11.5/kernel/pid.c ---- linux-3.11.5.orig/kernel/pid.c 2013-10-14 03:14:45.000000000 +0200 -+++ linux-3.11.5/kernel/pid.c 2013-10-29 15:37:02.000000000 +0100 -@@ -450,6 +450,7 @@ - { - return find_task_by_pid_ns(vnr, task_active_pid_ns(current)); - } -+EXPORT_SYMBOL(find_task_by_vpid); - - struct pid *get_task_pid(struct task_struct *task, enum pid_type type) - { diff --git a/target/linux/patches/3.15-rc6/gemalto.patch b/target/linux/patches/3.15-rc6/gemalto.patch deleted file mode 100644 index 65f7af1d7..000000000 --- a/target/linux/patches/3.15-rc6/gemalto.patch +++ /dev/null @@ -1,11 +0,0 @@ -diff -Nur linux-2.6.36.orig/drivers/tty/serial/8250/serial_cs.c linux-2.6.36/drivers/serial/8250/serial_cs.c ---- linux-2.6.36.orig/drivers/tty/serial/8250/serial_cs.c 2010-10-20 22:30:22.000000000 +0200 -+++ linux-2.6.36/drivers/tty/serial/8250/serial_cs.c 2010-12-13 23:03:40.000000000 +0100 -@@ -794,6 +794,7 @@ - PCMCIA_DEVICE_MANF_CARD(0x0137, 0x0025), - PCMCIA_DEVICE_MANF_CARD(0x0137, 0x0045), - PCMCIA_DEVICE_MANF_CARD(0x0137, 0x0052), -+ PCMCIA_DEVICE_MANF_CARD(0x0157, 0x0100), /* Gemalto SCR */ - PCMCIA_DEVICE_MANF_CARD(0x016c, 0x0006), /* Psion 56K+Fax */ - PCMCIA_DEVICE_MANF_CARD(0x0200, 0x0001), /* MultiMobile */ - PCMCIA_DEVICE_PROD_ID134("ADV", "TECH", "COMpad-32/85", 0x67459937, 0x916d02ba, 0x8fbe92ae), diff --git a/target/linux/patches/3.15-rc6/initramfs-nosizelimit.patch b/target/linux/patches/3.15-rc6/initramfs-nosizelimit.patch deleted file mode 100644 index 40d2f6bd8..000000000 --- a/target/linux/patches/3.15-rc6/initramfs-nosizelimit.patch +++ /dev/null @@ -1,57 +0,0 @@ -From 9a18df7a71bfa620b1278777d64783a359d7eb4e Mon Sep 17 00:00:00 2001 -From: Thorsten Glaser -Date: Sun, 4 May 2014 01:37:54 +0200 -Subject: [PATCH] mount tmpfs-as-rootfs (initramfs) with -o - nr_blocks=0,nr_inodes=0 - -I would have preferred to write this patch to be able to pass -rootflags=nr_blocks=0,nr_inodes=0 on the kernel command line, -and then hand these rootflags over to the initramfs (tmpfs) -mount in the same way the kernel hands them over to the block -device rootfs mount. But at least the Debian/m68k initrd also -parses $rootflags from the environment and adds it to the call -to the user-space mount for the eventual root device, which -would make the kernel command line rootflags option be used in -both places (tmpfs and e.g. ext4) which is guaranteed to error -out in at least one of them. - -This change is intended to aid people in a setup where the -initrd is the final root filesystem, i.e. not mounted over. -This is especially useful in automated tests running on qemu -for boards with constrained memory (e.g. 64 MiB on sh4). - -Considering that the initramfs is normally emptied out then -overmounted, this change is probably safe for setups where -initramfs just hosts early userspace, too, since the tmpfs -backing it is not accessible any more later on, AFAICT. - -Signed-off-by: Thorsten Glaser ---- - init/do_mounts.c | 4 ++++ - 1 file changed, 4 insertions(+) - -diff --git a/init/do_mounts.c b/init/do_mounts.c -index 82f2288..55a4cfe 100644 ---- a/init/do_mounts.c -+++ b/init/do_mounts.c -@@ -594,6 +594,7 @@ out: - } - - static bool is_tmpfs; -+static char tmpfs_rootflags[] = "nr_blocks=0,nr_inodes=0"; - static struct dentry *rootfs_mount(struct file_system_type *fs_type, - int flags, const char *dev_name, void *data) - { -@@ -606,6 +607,9 @@ static struct dentry *rootfs_mount(struct file_system_type *fs_type, - if (IS_ENABLED(CONFIG_TMPFS) && is_tmpfs) - fill = shmem_fill_super; - -+ if (is_tmpfs) -+ data = tmpfs_rootflags; -+ - return mount_nodev(fs_type, flags, data, fill); - } - --- -2.0.0.rc0 - diff --git a/target/linux/patches/3.15-rc6/lemote-rfkill.patch b/target/linux/patches/3.15-rc6/lemote-rfkill.patch deleted file mode 100644 index a61488434..000000000 --- a/target/linux/patches/3.15-rc6/lemote-rfkill.patch +++ /dev/null @@ -1,21 +0,0 @@ -diff -Nur linux-3.3.orig/drivers/net/wireless/rtl818x/rtl8187/rfkill.c linux-3.3/drivers/net/wireless/rtl818x/rtl8187/rfkill.c ---- linux-3.3.orig/drivers/net/wireless/rtl818x/rtl8187/rfkill.c 2012-03-19 00:15:34.000000000 +0100 -+++ linux-3.3/drivers/net/wireless/rtl818x/rtl8187/rfkill.c 2012-03-27 23:29:46.000000000 +0200 -@@ -22,6 +22,9 @@ - - static bool rtl8187_is_radio_enabled(struct rtl8187_priv *priv) - { -+#ifdef CONFIG_LEMOTE_MACH2F -+ return 1; -+#else - u8 gpio; - - gpio = rtl818x_ioread8(priv, &priv->map->GPIO0); -@@ -29,6 +32,7 @@ - gpio = rtl818x_ioread8(priv, &priv->map->GPIO1); - - return gpio & priv->rfkill_mask; -+#endif - } - - void rtl8187_rfkill_init(struct ieee80211_hw *hw) diff --git a/target/linux/patches/3.15-rc6/microblaze-axi.patch b/target/linux/patches/3.15-rc6/microblaze-axi.patch deleted file mode 100644 index 1a4b17d8c..000000000 --- a/target/linux/patches/3.15-rc6/microblaze-axi.patch +++ /dev/null @@ -1,11 +0,0 @@ -diff -Nur linux-3.13.3.orig/drivers/net/ethernet/xilinx/xilinx_axienet_main.c linux-3.13.3/drivers/net/ethernet/xilinx/xilinx_axienet_main.c ---- linux-3.13.3.orig/drivers/net/ethernet/xilinx/xilinx_axienet_main.c 2014-02-13 23:00:14.000000000 +0100 -+++ linux-3.13.3/drivers/net/ethernet/xilinx/xilinx_axienet_main.c 2014-02-24 08:03:57.000000000 +0100 -@@ -25,6 +25,7 @@ - #include - #include - #include -+#include - #include - #include - #include diff --git a/target/linux/patches/3.15-rc6/microblaze-ethernet.patch b/target/linux/patches/3.15-rc6/microblaze-ethernet.patch deleted file mode 100644 index 742ab477e..000000000 --- a/target/linux/patches/3.15-rc6/microblaze-ethernet.patch +++ /dev/null @@ -1,11 +0,0 @@ -diff -Nur linux-3.11.10.orig/drivers/net/ethernet/xilinx/xilinx_emaclite.c linux-3.11.10/drivers/net/ethernet/xilinx/xilinx_emaclite.c ---- linux-3.11.10.orig/drivers/net/ethernet/xilinx/xilinx_emaclite.c 2013-11-29 19:42:37.000000000 +0100 -+++ linux-3.11.10/drivers/net/ethernet/xilinx/xilinx_emaclite.c 2013-12-23 20:01:14.000000000 +0100 -@@ -1282,6 +1282,7 @@ - { .compatible = "xlnx,opb-ethernetlite-1.01.b", }, - { .compatible = "xlnx,xps-ethernetlite-1.00.a", }, - { .compatible = "xlnx,xps-ethernetlite-2.00.a", }, -+ { .compatible = "xlnx,xps-ethernetlite-2.00.b", }, - { .compatible = "xlnx,xps-ethernetlite-2.01.a", }, - { .compatible = "xlnx,xps-ethernetlite-3.00.a", }, - { /* end of list */ }, diff --git a/target/linux/patches/3.15-rc6/mkpiggy.patch b/target/linux/patches/3.15-rc6/mkpiggy.patch deleted file mode 100644 index 751678b74..000000000 --- a/target/linux/patches/3.15-rc6/mkpiggy.patch +++ /dev/null @@ -1,28 +0,0 @@ -diff -Nur linux-3.13.3.orig/arch/x86/boot/compressed/mkpiggy.c linux-3.13.3/arch/x86/boot/compressed/mkpiggy.c ---- linux-3.13.3.orig/arch/x86/boot/compressed/mkpiggy.c 2014-02-13 23:00:14.000000000 +0100 -+++ linux-3.13.3/arch/x86/boot/compressed/mkpiggy.c 2014-02-17 11:09:06.000000000 +0100 -@@ -29,7 +29,14 @@ - #include - #include - #include --#include -+ -+static uint32_t getle32(const void *p) -+{ -+ const uint8_t *cp = p; -+ -+ return (uint32_t)cp[0] + ((uint32_t)cp[1] << 8) + -+ ((uint32_t)cp[2] << 16) + ((uint32_t)cp[3] << 24); -+} - - int main(int argc, char *argv[]) - { -@@ -63,7 +70,7 @@ - } - - ilen = ftell(f); -- olen = get_unaligned_le32(&olen); -+ olen = getle32(&olen); - - /* - * Now we have the input (compressed) and output (uncompressed) diff --git a/target/linux/patches/3.15-rc6/mtd-rootfs.patch b/target/linux/patches/3.15-rc6/mtd-rootfs.patch deleted file mode 100644 index 775d5fc80..000000000 --- a/target/linux/patches/3.15-rc6/mtd-rootfs.patch +++ /dev/null @@ -1,26 +0,0 @@ -diff -Nur linux-3.5.orig//drivers/mtd/mtdpart.c linux-3.5/drivers/mtd/mtdpart.c ---- linux-3.5.orig//drivers/mtd/mtdpart.c 2012-07-21 22:58:29.000000000 +0200 -+++ linux-3.5/drivers/mtd/mtdpart.c 2012-07-31 23:59:07.000000000 +0200 -@@ -30,6 +30,7 @@ - #include - #include - #include -+#include - - #include "mtdcore.h" - -@@ -637,6 +638,14 @@ - if (IS_ERR(slave)) - return PTR_ERR(slave); - -+ if (strcmp(parts[i].name, "rootfs") == 0) { -+ if (ROOT_DEV == 0) { -+ printk(KERN_NOTICE "mtd: partition \"rootfs\" " -+ "set to be root filesystem\n"); -+ ROOT_DEV = MKDEV(MTD_BLOCK_MAJOR, i); -+ } -+ } -+ - mutex_lock(&mtd_partitions_mutex); - list_add(&slave->list, &mtd_partitions); - mutex_unlock(&mtd_partitions_mutex); diff --git a/target/linux/patches/3.15-rc6/nfsv3-tcp.patch b/target/linux/patches/3.15-rc6/nfsv3-tcp.patch deleted file mode 100644 index d5e07e1c2..000000000 --- a/target/linux/patches/3.15-rc6/nfsv3-tcp.patch +++ /dev/null @@ -1,12 +0,0 @@ -diff -Nur linux-3.15-rc5.orig/fs/nfs/nfsroot.c linux-3.15-rc5/fs/nfs/nfsroot.c ---- linux-3.15-rc5.orig/fs/nfs/nfsroot.c 2014-05-09 22:10:52.000000000 +0200 -+++ linux-3.15-rc5/fs/nfs/nfsroot.c 2014-05-16 15:45:38.000000000 +0200 -@@ -87,7 +87,7 @@ - #define NFS_ROOT "/tftpboot/%s" - - /* Default NFSROOT mount options. */ --#define NFS_DEF_OPTIONS "vers=2,udp,rsize=4096,wsize=4096" -+#define NFS_DEF_OPTIONS "nfsvers=3,proto=tcp,rsize=4096,wsize=4096" - - /* Parameters passed from the kernel command line */ - static char nfs_root_parms[256] __initdata = ""; diff --git a/target/linux/patches/3.15-rc6/non-static.patch b/target/linux/patches/3.15-rc6/non-static.patch deleted file mode 100644 index a967703d0..000000000 --- a/target/linux/patches/3.15-rc6/non-static.patch +++ /dev/null @@ -1,33 +0,0 @@ -diff -Nur linux-2.6.39-rc6.orig/fs/namei.c linux-2.6.39-rc6/fs/namei.c ---- linux-2.6.39-rc6.orig/fs/namei.c 2011-05-04 04:59:13.000000000 +0200 -+++ linux-2.6.39-rc6/fs/namei.c 2011-05-05 11:30:14.000000000 +0200 -@@ -1769,7 +1769,7 @@ - * needs parent already locked. Doesn't follow mounts. - * SMP-safe. - */ --static struct dentry *lookup_hash(struct nameidata *nd) -+struct dentry *lookup_hash(struct nameidata *nd) - { - return __lookup_hash(&nd->last, nd->path.dentry, nd); - } -diff -Nur linux-2.6.39-rc6.orig/fs/splice.c linux-2.6.39-rc6/fs/splice.c ---- linux-2.6.39-rc6.orig/fs/splice.c 2011-05-04 04:59:13.000000000 +0200 -+++ linux-2.6.39-rc6/fs/splice.c 2011-05-05 11:31:04.000000000 +0200 -@@ -1081,7 +1081,7 @@ - /* - * Attempt to initiate a splice from pipe to file. - */ --static long do_splice_from(struct pipe_inode_info *pipe, struct file *out, -+long do_splice_from(struct pipe_inode_info *pipe, struct file *out, - loff_t *ppos, size_t len, unsigned int flags) - { - ssize_t (*splice_write)(struct pipe_inode_info *, struct file *, -@@ -1109,7 +1109,7 @@ - /* - * Attempt to initiate a splice from a file to a pipe. - */ --static long do_splice_to(struct file *in, loff_t *ppos, -+long do_splice_to(struct file *in, loff_t *ppos, - struct pipe_inode_info *pipe, size_t len, - unsigned int flags) - { diff --git a/target/linux/patches/3.15-rc6/ppc64-missing-zlib.patch b/target/linux/patches/3.15-rc6/ppc64-missing-zlib.patch deleted file mode 100644 index c6e0616be..000000000 --- a/target/linux/patches/3.15-rc6/ppc64-missing-zlib.patch +++ /dev/null @@ -1,11 +0,0 @@ -diff -Nur linux-3.11.5.orig/arch/powerpc/platforms/pseries/Kconfig linux-3.11.5/arch/powerpc/platforms/pseries/Kconfig ---- linux-3.11.5.orig/arch/powerpc/platforms/pseries/Kconfig 2013-10-14 03:14:45.000000000 +0200 -+++ linux-3.11.5/arch/powerpc/platforms/pseries/Kconfig 2013-11-01 15:23:09.000000000 +0100 -@@ -17,6 +17,7 @@ - select PPC_NATIVE - select PPC_PCI_CHOICE if EXPERT - select ZLIB_DEFLATE -+ select ZLIB_INFLATE - select PPC_DOORBELL - select HAVE_CONTEXT_TRACKING - select HOTPLUG_CPU if SMP diff --git a/target/linux/patches/3.15-rc6/relocs.patch b/target/linux/patches/3.15-rc6/relocs.patch deleted file mode 100644 index 69a7c88a9..000000000 --- a/target/linux/patches/3.15-rc6/relocs.patch +++ /dev/null @@ -1,2709 +0,0 @@ -diff -Nur linux-3.13.6.orig/arch/x86/tools/relocs.c linux-3.13.6/arch/x86/tools/relocs.c ---- linux-3.13.6.orig/arch/x86/tools/relocs.c 2014-03-07 07:07:02.000000000 +0100 -+++ linux-3.13.6/arch/x86/tools/relocs.c 2014-03-15 19:39:45.000000000 +0100 -@@ -126,6 +126,7 @@ - - if (err) { - regerror(err, &sym_regex_c[i], errbuf, sizeof errbuf); -+ printf("foo: %s\n", sym_regex[i]); - die("%s", errbuf); - } - } -diff -Nur linux-3.13.6.orig/arch/x86/tools/relocs.h linux-3.13.6/arch/x86/tools/relocs.h ---- linux-3.13.6.orig/arch/x86/tools/relocs.h 2014-03-07 07:07:02.000000000 +0100 -+++ linux-3.13.6/arch/x86/tools/relocs.h 2014-03-15 18:48:40.000000000 +0100 -@@ -9,11 +9,19 @@ - #include - #include - #include -+#ifdef __linux__ - #include - #include - #define USE_BSD - #include -+#else -+#include "elf.h" -+#endif -+#ifdef __APPLE__ -+#include -+#else - #include -+#endif - #include - - void die(char *fmt, ...); -diff -Nur linux-3.13.6.orig/tools/include/elf.h linux-3.13.6/tools/include/elf.h ---- linux-3.13.6.orig/tools/include/elf.h 1970-01-01 01:00:00.000000000 +0100 -+++ linux-3.13.6/tools/include/elf.h 2014-03-15 18:47:36.000000000 +0100 -@@ -0,0 +1,2671 @@ -+#ifndef _ELF_H -+#define _ELF_H -+ -+#ifdef __cplusplus -+extern "C" { -+#endif -+ -+#include -+ -+typedef uint16_t Elf32_Half; -+typedef uint16_t Elf64_Half; -+ -+typedef uint32_t Elf32_Word; -+typedef int32_t Elf32_Sword; -+typedef uint32_t Elf64_Word; -+typedef int32_t Elf64_Sword; -+ -+typedef uint64_t Elf32_Xword; -+typedef int64_t Elf32_Sxword; -+typedef uint64_t Elf64_Xword; -+typedef int64_t Elf64_Sxword; -+ -+typedef uint32_t Elf32_Addr; -+typedef uint64_t Elf64_Addr; -+ -+typedef uint32_t Elf32_Off; -+typedef uint64_t Elf64_Off; -+ -+typedef uint16_t Elf32_Section; -+typedef uint16_t Elf64_Section; -+ -+typedef Elf32_Half Elf32_Versym; -+typedef Elf64_Half Elf64_Versym; -+ -+#define EI_NIDENT (16) -+ -+typedef struct { -+ unsigned char e_ident[EI_NIDENT]; -+ Elf32_Half e_type; -+ Elf32_Half e_machine; -+ Elf32_Word e_version; -+ Elf32_Addr e_entry; -+ Elf32_Off e_phoff; -+ Elf32_Off e_shoff; -+ Elf32_Word e_flags; -+ Elf32_Half e_ehsize; -+ Elf32_Half e_phentsize; -+ Elf32_Half e_phnum; -+ Elf32_Half e_shentsize; -+ Elf32_Half e_shnum; -+ Elf32_Half e_shstrndx; -+} Elf32_Ehdr; -+ -+typedef struct { -+ unsigned char e_ident[EI_NIDENT]; -+ Elf64_Half e_type; -+ Elf64_Half e_machine; -+ Elf64_Word e_version; -+ Elf64_Addr e_entry; -+ Elf64_Off e_phoff; -+ Elf64_Off e_shoff; -+ Elf64_Word e_flags; -+ Elf64_Half e_ehsize; -+ Elf64_Half e_phentsize; -+ Elf64_Half e_phnum; -+ Elf64_Half e_shentsize; -+ Elf64_Half e_shnum; -+ Elf64_Half e_shstrndx; -+} Elf64_Ehdr; -+ -+#define EI_MAG0 0 -+#define ELFMAG0 0x7f -+ -+#define EI_MAG1 1 -+#define ELFMAG1 'E' -+ -+#define EI_MAG2 2 -+#define ELFMAG2 'L' -+ -+#define EI_MAG3 3 -+#define ELFMAG3 'F' -+ -+ -+#define ELFMAG "\177ELF" -+#define SELFMAG 4 -+ -+#define EI_CLASS 4 -+#define ELFCLASSNONE 0 -+#define ELFCLASS32 1 -+#define ELFCLASS64 2 -+#define ELFCLASSNUM 3 -+ -+#define EI_DATA 5 -+#define ELFDATANONE 0 -+#define ELFDATA2LSB 1 -+#define ELFDATA2MSB 2 -+#define ELFDATANUM 3 -+ -+#define EI_VERSION 6 -+ -+ -+#define EI_OSABI 7 -+#define ELFOSABI_NONE 0 -+#define ELFOSABI_SYSV 0 -+#define ELFOSABI_HPUX 1 -+#define ELFOSABI_NETBSD 2 -+#define ELFOSABI_LINUX 3 -+#define ELFOSABI_GNU 3 -+#define ELFOSABI_SOLARIS 6 -+#define ELFOSABI_AIX 7 -+#define ELFOSABI_IRIX 8 -+#define ELFOSABI_FREEBSD 9 -+#define ELFOSABI_TRU64 10 -+#define ELFOSABI_MODESTO 11 -+#define ELFOSABI_OPENBSD 12 -+#define ELFOSABI_ARM 97 -+#define ELFOSABI_STANDALONE 255 -+ -+#define EI_ABIVERSION 8 -+ -+#define EI_PAD 9 -+ -+ -+ -+#define ET_NONE 0 -+#define ET_REL 1 -+#define ET_EXEC 2 -+#define ET_DYN 3 -+#define ET_CORE 4 -+#define ET_NUM 5 -+#define ET_LOOS 0xfe00 -+#define ET_HIOS 0xfeff -+#define ET_LOPROC 0xff00 -+#define ET_HIPROC 0xffff -+ -+ -+ -+#define EM_NONE 0 -+#define EM_M32 1 -+#define EM_SPARC 2 -+#define EM_386 3 -+#define EM_68K 4 -+#define EM_88K 5 -+#define EM_860 7 -+#define EM_MIPS 8 -+#define EM_S370 9 -+#define EM_MIPS_RS3_LE 10 -+ -+#define EM_PARISC 15 -+#define EM_VPP500 17 -+#define EM_SPARC32PLUS 18 -+#define EM_960 19 -+#define EM_PPC 20 -+#define EM_PPC64 21 -+#define EM_S390 22 -+ -+#define EM_V800 36 -+#define EM_FR20 37 -+#define EM_RH32 38 -+#define EM_RCE 39 -+#define EM_ARM 40 -+#define EM_FAKE_ALPHA 41 -+#define EM_SH 42 -+#define EM_SPARCV9 43 -+#define EM_TRICORE 44 -+#define EM_ARC 45 -+#define EM_H8_300 46 -+#define EM_H8_300H 47 -+#define EM_H8S 48 -+#define EM_H8_500 49 -+#define EM_IA_64 50 -+#define EM_MIPS_X 51 -+#define EM_COLDFIRE 52 -+#define EM_68HC12 53 -+#define EM_MMA 54 -+#define EM_PCP 55 -+#define EM_NCPU 56 -+#define EM_NDR1 57 -+#define EM_STARCORE 58 -+#define EM_ME16 59 -+#define EM_ST100 60 -+#define EM_TINYJ 61 -+#define EM_X86_64 62 -+#define EM_PDSP 63 -+ -+#define EM_FX66 66 -+#define EM_ST9PLUS 67 -+#define EM_ST7 68 -+#define EM_68HC16 69 -+#define EM_68HC11 70 -+#define EM_68HC08 71 -+#define EM_68HC05 72 -+#define EM_SVX 73 -+#define EM_ST19 74 -+#define EM_VAX 75 -+#define EM_CRIS 76 -+#define EM_JAVELIN 77 -+#define EM_FIREPATH 78 -+#define EM_ZSP 79 -+#define EM_MMIX 80 -+#define EM_HUANY 81 -+#define EM_PRISM 82 -+#define EM_AVR 83 -+#define EM_FR30 84 -+#define EM_D10V 85 -+#define EM_D30V 86 -+#define EM_V850 87 -+#define EM_M32R 88 -+#define EM_MN10300 89 -+#define EM_MN10200 90 -+#define EM_PJ 91 -+#define EM_OPENRISC 92 -+#define EM_ARC_A5 93 -+#define EM_XTENSA 94 -+#define EM_AARCH64 183 -+#define EM_TILEPRO 188 -+#define EM_MICROBLAZE 189 -+#define EM_TILEGX 191 -+#define EM_NUM 192 -+#define EM_ALPHA 0x9026 -+ -+#define EV_NONE 0 -+#define EV_CURRENT 1 -+#define EV_NUM 2 -+ -+typedef struct { -+ Elf32_Word sh_name; -+ Elf32_Word sh_type; -+ Elf32_Word sh_flags; -+ Elf32_Addr sh_addr; -+ Elf32_Off sh_offset; -+ Elf32_Word sh_size; -+ Elf32_Word sh_link; -+ Elf32_Word sh_info; -+ Elf32_Word sh_addralign; -+ Elf32_Word sh_entsize; -+} Elf32_Shdr; -+ -+typedef struct { -+ Elf64_Word sh_name; -+ Elf64_Word sh_type; -+ Elf64_Xword sh_flags; -+ Elf64_Addr sh_addr; -+ Elf64_Off sh_offset; -+ Elf64_Xword sh_size; -+ Elf64_Word sh_link; -+ Elf64_Word sh_info; -+ Elf64_Xword sh_addralign; -+ Elf64_Xword sh_entsize; -+} Elf64_Shdr; -+ -+ -+ -+#define SHN_UNDEF 0 -+#define SHN_LORESERVE 0xff00 -+#define SHN_LOPROC 0xff00 -+#define SHN_BEFORE 0xff00 -+ -+#define SHN_AFTER 0xff01 -+ -+#define SHN_HIPROC 0xff1f -+#define SHN_LOOS 0xff20 -+#define SHN_HIOS 0xff3f -+#define SHN_ABS 0xfff1 -+#define SHN_COMMON 0xfff2 -+#define SHN_XINDEX 0xffff -+#define SHN_HIRESERVE 0xffff -+ -+ -+ -+#define SHT_NULL 0 -+#define SHT_PROGBITS 1 -+#define SHT_SYMTAB 2 -+#define SHT_STRTAB 3 -+#define SHT_RELA 4 -+#define SHT_HASH 5 -+#define SHT_DYNAMIC 6 -+#define SHT_NOTE 7 -+#define SHT_NOBITS 8 -+#define SHT_REL 9 -+#define SHT_SHLIB 10 -+#define SHT_DYNSYM 11 -+#define SHT_INIT_ARRAY 14 -+#define SHT_FINI_ARRAY 15 -+#define SHT_PREINIT_ARRAY 16 -+#define SHT_GROUP 17 -+#define SHT_SYMTAB_SHNDX 18 -+#define SHT_NUM 19 -+#define SHT_LOOS 0x60000000 -+#define SHT_GNU_ATTRIBUTES 0x6ffffff5 -+#define SHT_GNU_HASH 0x6ffffff6 -+#define SHT_GNU_LIBLIST 0x6ffffff7 -+#define SHT_CHECKSUM 0x6ffffff8 -+#define SHT_LOSUNW 0x6ffffffa -+#define SHT_SUNW_move 0x6ffffffa -+#define SHT_SUNW_COMDAT 0x6ffffffb -+#define SHT_SUNW_syminfo 0x6ffffffc -+#define SHT_GNU_verdef 0x6ffffffd -+#define SHT_GNU_verneed 0x6ffffffe -+#define SHT_GNU_versym 0x6fffffff -+#define SHT_HISUNW 0x6fffffff -+#define SHT_HIOS 0x6fffffff -+#define SHT_LOPROC 0x70000000 -+#define SHT_HIPROC 0x7fffffff -+#define SHT_LOUSER 0x80000000 -+#define SHT_HIUSER 0x8fffffff -+ -+#define SHF_WRITE (1 << 0) -+#define SHF_ALLOC (1 << 1) -+#define SHF_EXECINSTR (1 << 2) -+#define SHF_MERGE (1 << 4) -+#define SHF_STRINGS (1 << 5) -+#define SHF_INFO_LINK (1 << 6) -+#define SHF_LINK_ORDER (1 << 7) -+#define SHF_OS_NONCONFORMING (1 << 8) -+ -+#define SHF_GROUP (1 << 9) -+#define SHF_TLS (1 << 10) -+#define SHF_MASKOS 0x0ff00000 -+#define SHF_MASKPROC 0xf0000000 -+#define SHF_ORDERED (1 << 30) -+#define SHF_EXCLUDE (1 << 31) -+ -+#define GRP_COMDAT 0x1 -+ -+typedef struct { -+ Elf32_Word st_name; -+ Elf32_Addr st_value; -+ Elf32_Word st_size; -+ unsigned char st_info; -+ unsigned char st_other; -+ Elf32_Section st_shndx; -+} Elf32_Sym; -+ -+typedef struct { -+ Elf64_Word st_name; -+ unsigned char st_info; -+ unsigned char st_other; -+ Elf64_Section st_shndx; -+ Elf64_Addr st_value; -+ Elf64_Xword st_size; -+} Elf64_Sym; -+ -+typedef struct { -+ Elf32_Half si_boundto; -+ Elf32_Half si_flags; -+} Elf32_Syminfo; -+ -+typedef struct { -+ Elf64_Half si_boundto; -+ Elf64_Half si_flags; -+} Elf64_Syminfo; -+ -+#define SYMINFO_BT_SELF 0xffff -+#define SYMINFO_BT_PARENT 0xfffe -+#define SYMINFO_BT_LOWRESERVE 0xff00 -+ -+#define SYMINFO_FLG_DIRECT 0x0001 -+#define SYMINFO_FLG_PASSTHRU 0x0002 -+#define SYMINFO_FLG_COPY 0x0004 -+#define SYMINFO_FLG_LAZYLOAD 0x0008 -+ -+#define SYMINFO_NONE 0 -+#define SYMINFO_CURRENT 1 -+#define SYMINFO_NUM 2 -+ -+#define ELF32_ST_BIND(val) (((unsigned char) (val)) >> 4) -+#define ELF32_ST_TYPE(val) ((val) & 0xf) -+#define ELF32_ST_INFO(bind, type) (((bind) << 4) + ((type) & 0xf)) -+ -+#define ELF64_ST_BIND(val) ELF32_ST_BIND (val) -+#define ELF64_ST_TYPE(val) ELF32_ST_TYPE (val) -+#define ELF64_ST_INFO(bind, type) ELF32_ST_INFO ((bind), (type)) -+ -+#define STB_LOCAL 0 -+#define STB_GLOBAL 1 -+#define STB_WEAK 2 -+#define STB_NUM 3 -+#define STB_LOOS 10 -+#define STB_GNU_UNIQUE 10 -+#define STB_HIOS 12 -+#define STB_LOPROC 13 -+#define STB_HIPROC 15 -+ -+#define STT_NOTYPE 0 -+#define STT_OBJECT 1 -+#define STT_FUNC 2 -+#define STT_SECTION 3 -+#define STT_FILE 4 -+#define STT_COMMON 5 -+#define STT_TLS 6 -+#define STT_NUM 7 -+#define STT_LOOS 10 -+#define STT_GNU_IFUNC 10 -+#define STT_HIOS 12 -+#define STT_LOPROC 13 -+#define STT_HIPROC 15 -+ -+#define STN_UNDEF 0 -+ -+#define ELF32_ST_VISIBILITY(o) ((o) & 0x03) -+#define ELF64_ST_VISIBILITY(o) ELF32_ST_VISIBILITY (o) -+ -+#define STV_DEFAULT 0 -+#define STV_INTERNAL 1 -+#define STV_HIDDEN 2 -+#define STV_PROTECTED 3 -+ -+ -+ -+ -+typedef struct -+{ -+ Elf32_Addr r_offset; -+ Elf32_Word r_info; -+} Elf32_Rel; -+ -+typedef struct { -+ Elf64_Addr r_offset; -+ Elf64_Xword r_info; -+} Elf64_Rel; -+ -+ -+ -+typedef struct { -+ Elf32_Addr r_offset; -+ Elf32_Word r_info; -+ Elf32_Sword r_addend; -+} Elf32_Rela; -+ -+typedef struct { -+ Elf64_Addr r_offset; -+ Elf64_Xword r_info; -+ Elf64_Sxword r_addend; -+} Elf64_Rela; -+ -+ -+ -+#define ELF32_R_SYM(val) ((val) >> 8) -+#define ELF32_R_TYPE(val) ((val) & 0xff) -+#define ELF32_R_INFO(sym, type) (((sym) << 8) + ((type) & 0xff)) -+ -+#define ELF64_R_SYM(i) ((i) >> 32) -+#define ELF64_R_TYPE(i) ((i) & 0xffffffff) -+#define ELF64_R_INFO(sym,type) ((((Elf64_Xword) (sym)) << 32) + (type)) -+ -+ -+ -+typedef struct { -+ Elf32_Word p_type; -+ Elf32_Off p_offset; -+ Elf32_Addr p_vaddr; -+ Elf32_Addr p_paddr; -+ Elf32_Word p_filesz; -+ Elf32_Word p_memsz; -+ Elf32_Word p_flags; -+ Elf32_Word p_align; -+} Elf32_Phdr; -+ -+typedef struct { -+ Elf64_Word p_type; -+ Elf64_Word p_flags; -+ Elf64_Off p_offset; -+ Elf64_Addr p_vaddr; -+ Elf64_Addr p_paddr; -+ Elf64_Xword p_filesz; -+ Elf64_Xword p_memsz; -+ Elf64_Xword p_align; -+} Elf64_Phdr; -+ -+ -+ -+#define PT_NULL 0 -+#define PT_LOAD 1 -+#define PT_DYNAMIC 2 -+#define PT_INTERP 3 -+#define PT_NOTE 4 -+#define PT_SHLIB 5 -+#define PT_PHDR 6 -+#define PT_TLS 7 -+#define PT_NUM 8 -+#define PT_LOOS 0x60000000 -+#define PT_GNU_EH_FRAME 0x6474e550 -+#define PT_GNU_STACK 0x6474e551 -+#define PT_GNU_RELRO 0x6474e552 -+#define PT_LOSUNW 0x6ffffffa -+#define PT_SUNWBSS 0x6ffffffa -+#define PT_SUNWSTACK 0x6ffffffb -+#define PT_HISUNW 0x6fffffff -+#define PT_HIOS 0x6fffffff -+#define PT_LOPROC 0x70000000 -+#define PT_HIPROC 0x7fffffff -+ -+ -+#define PN_XNUM 0xffff -+ -+ -+#define PF_X (1 << 0) -+#define PF_W (1 << 1) -+#define PF_R (1 << 2) -+#define PF_MASKOS 0x0ff00000 -+#define PF_MASKPROC 0xf0000000 -+ -+ -+ -+#define NT_PRSTATUS 1 -+#define NT_FPREGSET 2 -+#define NT_PRPSINFO 3 -+#define NT_PRXREG 4 -+#define NT_TASKSTRUCT 4 -+#define NT_PLATFORM 5 -+#define NT_AUXV 6 -+#define NT_GWINDOWS 7 -+#define NT_ASRS 8 -+#define NT_PSTATUS 10 -+#define NT_PSINFO 13 -+#define NT_PRCRED 14 -+#define NT_UTSNAME 15 -+#define NT_LWPSTATUS 16 -+#define NT_LWPSINFO 17 -+#define NT_PRFPXREG 20 -+#define NT_SIGINFO 0x53494749 -+#define NT_FILE 0x46494c45 -+#define NT_PRXFPREG 0x46e62b7f -+#define NT_PPC_VMX 0x100 -+#define NT_PPC_SPE 0x101 -+#define NT_PPC_VSX 0x102 -+#define NT_386_TLS 0x200 -+#define NT_386_IOPERM 0x201 -+#define NT_X86_XSTATE 0x202 -+#define NT_S390_HIGH_GPRS 0x300 -+#define NT_S390_TIMER 0x301 -+#define NT_S390_TODCMP 0x302 -+#define NT_S390_TODPREG 0x303 -+#define NT_S390_CTRS 0x304 -+#define NT_S390_PREFIX 0x305 -+#define NT_S390_LAST_BREAK 0x306 -+#define NT_S390_SYSTEM_CALL 0x307 -+#define NT_S390_TDB 0x308 -+#define NT_ARM_VFP 0x400 -+#define NT_ARM_TLS 0x401 -+#define NT_ARM_HW_BREAK 0x402 -+#define NT_ARM_HW_WATCH 0x403 -+#define NT_METAG_CBUF 0x500 -+#define NT_METAG_RPIPE 0x501 -+#define NT_METAG_TLS 0x502 -+#define NT_VERSION 1 -+ -+ -+ -+ -+typedef struct { -+ Elf32_Sword d_tag; -+ union { -+ Elf32_Word d_val; -+ Elf32_Addr d_ptr; -+ } d_un; -+} Elf32_Dyn; -+ -+typedef struct { -+ Elf64_Sxword d_tag; -+ union { -+ Elf64_Xword d_val; -+ Elf64_Addr d_ptr; -+ } d_un; -+} Elf64_Dyn; -+ -+ -+ -+#define DT_NULL 0 -+#define DT_NEEDED 1 -+#define DT_PLTRELSZ 2 -+#define DT_PLTGOT 3 -+#define DT_HASH 4 -+#define DT_STRTAB 5 -+#define DT_SYMTAB 6 -+#define DT_RELA 7 -+#define DT_RELASZ 8 -+#define DT_RELAENT 9 -+#define DT_STRSZ 10 -+#define DT_SYMENT 11 -+#define DT_INIT 12 -+#define DT_FINI 13 -+#define DT_SONAME 14 -+#define DT_RPATH 15 -+#define DT_SYMBOLIC 16 -+#define DT_REL 17 -+#define DT_RELSZ 18 -+#define DT_RELENT 19 -+#define DT_PLTREL 20 -+#define DT_DEBUG 21 -+#define DT_TEXTREL 22 -+#define DT_JMPREL 23 -+#define DT_BIND_NOW 24 -+#define DT_INIT_ARRAY 25 -+#define DT_FINI_ARRAY 26 -+#define DT_INIT_ARRAYSZ 27 -+#define DT_FINI_ARRAYSZ 28 -+#define DT_RUNPATH 29 -+#define DT_FLAGS 30 -+#define DT_ENCODING 32 -+#define DT_PREINIT_ARRAY 32 -+#define DT_PREINIT_ARRAYSZ 33 -+#define DT_NUM 34 -+#define DT_LOOS 0x6000000d -+#define DT_HIOS 0x6ffff000 -+#define DT_LOPROC 0x70000000 -+#define DT_HIPROC 0x7fffffff -+#define DT_PROCNUM DT_MIPS_NUM -+ -+#define DT_VALRNGLO 0x6ffffd00 -+#define DT_GNU_PRELINKED 0x6ffffdf5 -+#define DT_GNU_CONFLICTSZ 0x6ffffdf6 -+#define DT_GNU_LIBLISTSZ 0x6ffffdf7 -+#define DT_CHECKSUM 0x6ffffdf8 -+#define DT_PLTPADSZ 0x6ffffdf9 -+#define DT_MOVEENT 0x6ffffdfa -+#define DT_MOVESZ 0x6ffffdfb -+#define DT_FEATURE_1 0x6ffffdfc -+#define DT_POSFLAG_1 0x6ffffdfd -+ -+#define DT_SYMINSZ 0x6ffffdfe -+#define DT_SYMINENT 0x6ffffdff -+#define DT_VALRNGHI 0x6ffffdff -+#define DT_VALTAGIDX(tag) (DT_VALRNGHI - (tag)) -+#define DT_VALNUM 12 -+ -+#define DT_ADDRRNGLO 0x6ffffe00 -+#define DT_GNU_HASH 0x6ffffef5 -+#define DT_TLSDESC_PLT 0x6ffffef6 -+#define DT_TLSDESC_GOT 0x6ffffef7 -+#define DT_GNU_CONFLICT 0x6ffffef8 -+#define DT_GNU_LIBLIST 0x6ffffef9 -+#define DT_CONFIG 0x6ffffefa -+#define DT_DEPAUDIT 0x6ffffefb -+#define DT_AUDIT 0x6ffffefc -+#define DT_PLTPAD 0x6ffffefd -+#define DT_MOVETAB 0x6ffffefe -+#define DT_SYMINFO 0x6ffffeff -+#define DT_ADDRRNGHI 0x6ffffeff -+#define DT_ADDRTAGIDX(tag) (DT_ADDRRNGHI - (tag)) -+#define DT_ADDRNUM 11 -+ -+ -+ -+#define DT_VERSYM 0x6ffffff0 -+ -+#define DT_RELACOUNT 0x6ffffff9 -+#define DT_RELCOUNT 0x6ffffffa -+ -+ -+#define DT_FLAGS_1 0x6ffffffb -+#define DT_VERDEF 0x6ffffffc -+ -+#define DT_VERDEFNUM 0x6ffffffd -+#define DT_VERNEED 0x6ffffffe -+ -+#define DT_VERNEEDNUM 0x6fffffff -+#define DT_VERSIONTAGIDX(tag) (DT_VERNEEDNUM - (tag)) -+#define DT_VERSIONTAGNUM 16 -+ -+ -+ -+#define DT_AUXILIARY 0x7ffffffd -+#define DT_FILTER 0x7fffffff -+#define DT_EXTRATAGIDX(tag) ((Elf32_Word)-((Elf32_Sword) (tag) <<1>>1)-1) -+#define DT_EXTRANUM 3 -+ -+ -+#define DF_ORIGIN 0x00000001 -+#define DF_SYMBOLIC 0x00000002 -+#define DF_TEXTREL 0x00000004 -+#define DF_BIND_NOW 0x00000008 -+#define DF_STATIC_TLS 0x00000010 -+ -+ -+ -+#define DF_1_NOW 0x00000001 -+#define DF_1_GLOBAL 0x00000002 -+#define DF_1_GROUP 0x00000004 -+#define DF_1_NODELETE 0x00000008 -+#define DF_1_LOADFLTR 0x00000010 -+#define DF_1_INITFIRST 0x00000020 -+#define DF_1_NOOPEN 0x00000040 -+#define DF_1_ORIGIN 0x00000080 -+#define DF_1_DIRECT 0x00000100 -+#define DF_1_TRANS 0x00000200 -+#define DF_1_INTERPOSE 0x00000400 -+#define DF_1_NODEFLIB 0x00000800 -+#define DF_1_NODUMP 0x00001000 -+#define DF_1_CONFALT 0x00002000 -+#define DF_1_ENDFILTEE 0x00004000 -+#define DF_1_DISPRELDNE 0x00008000 -+#define DF_1_DISPRELPND 0x00010000 -+#define DF_1_NODIRECT 0x00020000 -+#define DF_1_IGNMULDEF 0x00040000 -+#define DF_1_NOKSYMS 0x00080000 -+#define DF_1_NOHDR 0x00100000 -+#define DF_1_EDITED 0x00200000 -+#define DF_1_NORELOC 0x00400000 -+#define DF_1_SYMINTPOSE 0x00800000 -+#define DF_1_GLOBAUDIT 0x01000000 -+#define DF_1_SINGLETON 0x02000000 -+ -+#define DTF_1_PARINIT 0x00000001 -+#define DTF_1_CONFEXP 0x00000002 -+ -+ -+#define DF_P1_LAZYLOAD 0x00000001 -+#define DF_P1_GROUPPERM 0x00000002 -+ -+ -+ -+ -+typedef struct { -+ Elf32_Half vd_version; -+ Elf32_Half vd_flags; -+ Elf32_Half vd_ndx; -+ Elf32_Half vd_cnt; -+ Elf32_Word vd_hash; -+ Elf32_Word vd_aux; -+ Elf32_Word vd_next; -+} Elf32_Verdef; -+ -+typedef struct { -+ Elf64_Half vd_version; -+ Elf64_Half vd_flags; -+ Elf64_Half vd_ndx; -+ Elf64_Half vd_cnt; -+ Elf64_Word vd_hash; -+ Elf64_Word vd_aux; -+ Elf64_Word vd_next; -+} Elf64_Verdef; -+ -+ -+ -+#define VER_DEF_NONE 0 -+#define VER_DEF_CURRENT 1 -+#define VER_DEF_NUM 2 -+ -+ -+#define VER_FLG_BASE 0x1 -+#define VER_FLG_WEAK 0x2 -+ -+ -+#define VER_NDX_LOCAL 0 -+#define VER_NDX_GLOBAL 1 -+#define VER_NDX_LORESERVE 0xff00 -+#define VER_NDX_ELIMINATE 0xff01 -+ -+ -+ -+typedef struct { -+ Elf32_Word vda_name; -+ Elf32_Word vda_next; -+} Elf32_Verdaux; -+ -+typedef struct { -+ Elf64_Word vda_name; -+ Elf64_Word vda_next; -+} Elf64_Verdaux; -+ -+ -+ -+ -+typedef struct { -+ Elf32_Half vn_version; -+ Elf32_Half vn_cnt; -+ Elf32_Word vn_file; -+ Elf32_Word vn_aux; -+ Elf32_Word vn_next; -+} Elf32_Verneed; -+ -+typedef struct { -+ Elf64_Half vn_version; -+ Elf64_Half vn_cnt; -+ Elf64_Word vn_file; -+ Elf64_Word vn_aux; -+ Elf64_Word vn_next; -+} Elf64_Verneed; -+ -+ -+ -+#define VER_NEED_NONE 0 -+#define VER_NEED_CURRENT 1 -+#define VER_NEED_NUM 2 -+ -+ -+ -+typedef struct { -+ Elf32_Word vna_hash; -+ Elf32_Half vna_flags; -+ Elf32_Half vna_other; -+ Elf32_Word vna_name; -+ Elf32_Word vna_next; -+} Elf32_Vernaux; -+ -+typedef struct { -+ Elf64_Word vna_hash; -+ Elf64_Half vna_flags; -+ Elf64_Half vna_other; -+ Elf64_Word vna_name; -+ Elf64_Word vna_next; -+} Elf64_Vernaux; -+ -+ -+ -+#define VER_FLG_WEAK 0x2 -+ -+ -+ -+typedef struct { -+ uint32_t a_type; -+ union { -+ uint32_t a_val; -+ } a_un; -+} Elf32_auxv_t; -+ -+typedef struct { -+ uint64_t a_type; -+ union { -+ uint64_t a_val; -+ } a_un; -+} Elf64_auxv_t; -+ -+ -+ -+#define AT_NULL 0 -+#define AT_IGNORE 1 -+#define AT_EXECFD 2 -+#define AT_PHDR 3 -+#define AT_PHENT 4 -+#define AT_PHNUM 5 -+#define AT_PAGESZ 6 -+#define AT_BASE 7 -+#define AT_FLAGS 8 -+#define AT_ENTRY 9 -+#define AT_NOTELF 10 -+#define AT_UID 11 -+#define AT_EUID 12 -+#define AT_GID 13 -+#define AT_EGID 14 -+#define AT_CLKTCK 17 -+ -+ -+#define AT_PLATFORM 15 -+#define AT_HWCAP 16 -+ -+ -+ -+ -+#define AT_FPUCW 18 -+ -+ -+#define AT_DCACHEBSIZE 19 -+#define AT_ICACHEBSIZE 20 -+#define AT_UCACHEBSIZE 21 -+ -+ -+ -+#define AT_IGNOREPPC 22 -+ -+#define AT_SECURE 23 -+ -+#define AT_BASE_PLATFORM 24 -+ -+#define AT_RANDOM 25 -+ -+#define AT_HWCAP2 26 -+ -+#define AT_EXECFN 31 -+ -+ -+ -+#define AT_SYSINFO 32 -+#define AT_SYSINFO_EHDR 33 -+ -+ -+ -+#define AT_L1I_CACHESHAPE 34 -+#define AT_L1D_CACHESHAPE 35 -+#define AT_L2_CACHESHAPE 36 -+#define AT_L3_CACHESHAPE 37 -+ -+ -+ -+ -+typedef struct { -+ Elf32_Word n_namesz; -+ Elf32_Word n_descsz; -+ Elf32_Word n_type; -+} Elf32_Nhdr; -+ -+typedef struct { -+ Elf64_Word n_namesz; -+ Elf64_Word n_descsz; -+ Elf64_Word n_type; -+} Elf64_Nhdr; -+ -+ -+ -+ -+#define ELF_NOTE_SOLARIS "SUNW Solaris" -+ -+ -+#define ELF_NOTE_GNU "GNU" -+ -+ -+ -+ -+ -+#define ELF_NOTE_PAGESIZE_HINT 1 -+ -+ -+#define NT_GNU_ABI_TAG 1 -+#define ELF_NOTE_ABI NT_GNU_ABI_TAG -+ -+ -+ -+#define ELF_NOTE_OS_LINUX 0 -+#define ELF_NOTE_OS_GNU 1 -+#define ELF_NOTE_OS_SOLARIS2 2 -+#define ELF_NOTE_OS_FREEBSD 3 -+ -+#define NT_GNU_BUILD_ID 3 -+#define NT_GNU_GOLD_VERSION 4 -+ -+ -+ -+typedef struct { -+ Elf32_Xword m_value; -+ Elf32_Word m_info; -+ Elf32_Word m_poffset; -+ Elf32_Half m_repeat; -+ Elf32_Half m_stride; -+} Elf32_Move; -+ -+typedef struct { -+ Elf64_Xword m_value; -+ Elf64_Xword m_info; -+ Elf64_Xword m_poffset; -+ Elf64_Half m_repeat; -+ Elf64_Half m_stride; -+} Elf64_Move; -+ -+ -+#define ELF32_M_SYM(info) ((info) >> 8) -+#define ELF32_M_SIZE(info) ((unsigned char) (info)) -+#define ELF32_M_INFO(sym, size) (((sym) << 8) + (unsigned char) (size)) -+ -+#define ELF64_M_SYM(info) ELF32_M_SYM (info) -+#define ELF64_M_SIZE(info) ELF32_M_SIZE (info) -+#define ELF64_M_INFO(sym, size) ELF32_M_INFO (sym, size) -+ -+#define EF_CPU32 0x00810000 -+ -+#define R_68K_NONE 0 -+#define R_68K_32 1 -+#define R_68K_16 2 -+#define R_68K_8 3 -+#define R_68K_PC32 4 -+#define R_68K_PC16 5 -+#define R_68K_PC8 6 -+#define R_68K_GOT32 7 -+#define R_68K_GOT16 8 -+#define R_68K_GOT8 9 -+#define R_68K_GOT32O 10 -+#define R_68K_GOT16O 11 -+#define R_68K_GOT8O 12 -+#define R_68K_PLT32 13 -+#define R_68K_PLT16 14 -+#define R_68K_PLT8 15 -+#define R_68K_PLT32O 16 -+#define R_68K_PLT16O 17 -+#define R_68K_PLT8O 18 -+#define R_68K_COPY 19 -+#define R_68K_GLOB_DAT 20 -+#define R_68K_JMP_SLOT 21 -+#define R_68K_RELATIVE 22 -+#define R_68K_NUM 23 -+ -+#define R_386_NONE 0 -+#define R_386_32 1 -+#define R_386_PC32 2 -+#define R_386_GOT32 3 -+#define R_386_PLT32 4 -+#define R_386_COPY 5 -+#define R_386_GLOB_DAT 6 -+#define R_386_JMP_SLOT 7 -+#define R_386_RELATIVE 8 -+#define R_386_GOTOFF 9 -+#define R_386_GOTPC 10 -+#define R_386_32PLT 11 -+#define R_386_TLS_TPOFF 14 -+#define R_386_TLS_IE 15 -+#define R_386_TLS_GOTIE 16 -+#define R_386_TLS_LE 17 -+#define R_386_TLS_GD 18 -+#define R_386_TLS_LDM 19 -+#define R_386_16 20 -+#define R_386_PC16 21 -+#define R_386_8 22 -+#define R_386_PC8 23 -+#define R_386_TLS_GD_32 24 -+#define R_386_TLS_GD_PUSH 25 -+#define R_386_TLS_GD_CALL 26 -+#define R_386_TLS_GD_POP 27 -+#define R_386_TLS_LDM_32 28 -+#define R_386_TLS_LDM_PUSH 29 -+#define R_386_TLS_LDM_CALL 30 -+#define R_386_TLS_LDM_POP 31 -+#define R_386_TLS_LDO_32 32 -+#define R_386_TLS_IE_32 33 -+#define R_386_TLS_LE_32 34 -+#define R_386_TLS_DTPMOD32 35 -+#define R_386_TLS_DTPOFF32 36 -+#define R_386_TLS_TPOFF32 37 -+#define R_386_SIZE32 38 -+#define R_386_TLS_GOTDESC 39 -+#define R_386_TLS_DESC_CALL 40 -+#define R_386_TLS_DESC 41 -+#define R_386_IRELATIVE 42 -+#define R_386_NUM 43 -+ -+ -+ -+ -+ -+#define STT_SPARC_REGISTER 13 -+ -+ -+ -+#define EF_SPARCV9_MM 3 -+#define EF_SPARCV9_TSO 0 -+#define EF_SPARCV9_PSO 1 -+#define EF_SPARCV9_RMO 2 -+#define EF_SPARC_LEDATA 0x800000 -+#define EF_SPARC_EXT_MASK 0xFFFF00 -+#define EF_SPARC_32PLUS 0x000100 -+#define EF_SPARC_SUN_US1 0x000200 -+#define EF_SPARC_HAL_R1 0x000400 -+#define EF_SPARC_SUN_US3 0x000800 -+ -+ -+ -+#define R_SPARC_NONE 0 -+#define R_SPARC_8 1 -+#define R_SPARC_16 2 -+#define R_SPARC_32 3 -+#define R_SPARC_DISP8 4 -+#define R_SPARC_DISP16 5 -+#define R_SPARC_DISP32 6 -+#define R_SPARC_WDISP30 7 -+#define R_SPARC_WDISP22 8 -+#define R_SPARC_HI22 9 -+#define R_SPARC_22 10 -+#define R_SPARC_13 11 -+#define R_SPARC_LO10 12 -+#define R_SPARC_GOT10 13 -+#define R_SPARC_GOT13 14 -+#define R_SPARC_GOT22 15 -+#define R_SPARC_PC10 16 -+#define R_SPARC_PC22 17 -+#define R_SPARC_WPLT30 18 -+#define R_SPARC_COPY 19 -+#define R_SPARC_GLOB_DAT 20 -+#define R_SPARC_JMP_SLOT 21 -+#define R_SPARC_RELATIVE 22 -+#define R_SPARC_UA32 23 -+ -+ -+ -+#define R_SPARC_PLT32 24 -+#define R_SPARC_HIPLT22 25 -+#define R_SPARC_LOPLT10 26 -+#define R_SPARC_PCPLT32 27 -+#define R_SPARC_PCPLT22 28 -+#define R_SPARC_PCPLT10 29 -+#define R_SPARC_10 30 -+#define R_SPARC_11 31 -+#define R_SPARC_64 32 -+#define R_SPARC_OLO10 33 -+#define R_SPARC_HH22 34 -+#define R_SPARC_HM10 35 -+#define R_SPARC_LM22 36 -+#define R_SPARC_PC_HH22 37 -+#define R_SPARC_PC_HM10 38 -+#define R_SPARC_PC_LM22 39 -+#define R_SPARC_WDISP16 40 -+#define R_SPARC_WDISP19 41 -+#define R_SPARC_GLOB_JMP 42 -+#define R_SPARC_7 43 -+#define R_SPARC_5 44 -+#define R_SPARC_6 45 -+#define R_SPARC_DISP64 46 -+#define R_SPARC_PLT64 47 -+#define R_SPARC_HIX22 48 -+#define R_SPARC_LOX10 49 -+#define R_SPARC_H44 50 -+#define R_SPARC_M44 51 -+#define R_SPARC_L44 52 -+#define R_SPARC_REGISTER 53 -+#define R_SPARC_UA64 54 -+#define R_SPARC_UA16 55 -+#define R_SPARC_TLS_GD_HI22 56 -+#define R_SPARC_TLS_GD_LO10 57 -+#define R_SPARC_TLS_GD_ADD 58 -+#define R_SPARC_TLS_GD_CALL 59 -+#define R_SPARC_TLS_LDM_HI22 60 -+#define R_SPARC_TLS_LDM_LO10 61 -+#define R_SPARC_TLS_LDM_ADD 62 -+#define R_SPARC_TLS_LDM_CALL 63 -+#define R_SPARC_TLS_LDO_HIX22 64 -+#define R_SPARC_TLS_LDO_LOX10 65 -+#define R_SPARC_TLS_LDO_ADD 66 -+#define R_SPARC_TLS_IE_HI22 67 -+#define R_SPARC_TLS_IE_LO10 68 -+#define R_SPARC_TLS_IE_LD 69 -+#define R_SPARC_TLS_IE_LDX 70 -+#define R_SPARC_TLS_IE_ADD 71 -+#define R_SPARC_TLS_LE_HIX22 72 -+#define R_SPARC_TLS_LE_LOX10 73 -+#define R_SPARC_TLS_DTPMOD32 74 -+#define R_SPARC_TLS_DTPMOD64 75 -+#define R_SPARC_TLS_DTPOFF32 76 -+#define R_SPARC_TLS_DTPOFF64 77 -+#define R_SPARC_TLS_TPOFF32 78 -+#define R_SPARC_TLS_TPOFF64 79 -+#define R_SPARC_GOTDATA_HIX22 80 -+#define R_SPARC_GOTDATA_LOX10 81 -+#define R_SPARC_GOTDATA_OP_HIX22 82 -+#define R_SPARC_GOTDATA_OP_LOX10 83 -+#define R_SPARC_GOTDATA_OP 84 -+#define R_SPARC_H34 85 -+#define R_SPARC_SIZE32 86 -+#define R_SPARC_SIZE64 87 -+#define R_SPARC_GNU_VTINHERIT 250 -+#define R_SPARC_GNU_VTENTRY 251 -+#define R_SPARC_REV32 252 -+ -+#define R_SPARC_NUM 253 -+ -+ -+ -+#define DT_SPARC_REGISTER 0x70000001 -+#define DT_SPARC_NUM 2 -+ -+ -+#define EF_MIPS_NOREORDER 1 -+#define EF_MIPS_PIC 2 -+#define EF_MIPS_CPIC 4 -+#define EF_MIPS_XGOT 8 -+#define EF_MIPS_64BIT_WHIRL 16 -+#define EF_MIPS_ABI2 32 -+#define EF_MIPS_ABI_ON32 64 -+#define EF_MIPS_ARCH 0xf0000000 -+ -+ -+ -+#define EF_MIPS_ARCH_1 0x00000000 -+#define EF_MIPS_ARCH_2 0x10000000 -+#define EF_MIPS_ARCH_3 0x20000000 -+#define EF_MIPS_ARCH_4 0x30000000 -+#define EF_MIPS_ARCH_5 0x40000000 -+#define EF_MIPS_ARCH_32 0x50000000 -+#define EF_MIPS_ARCH_64 0x60000000 -+#define EF_MIPS_ARCH_32R2 0x70000000 -+#define EF_MIPS_ARCH_64R2 0x80000000 -+ -+ -+#define E_MIPS_ARCH_1 0x00000000 -+#define E_MIPS_ARCH_2 0x10000000 -+#define E_MIPS_ARCH_3 0x20000000 -+#define E_MIPS_ARCH_4 0x30000000 -+#define E_MIPS_ARCH_5 0x40000000 -+#define E_MIPS_ARCH_32 0x50000000 -+#define E_MIPS_ARCH_64 0x60000000 -+ -+ -+ -+#define SHN_MIPS_ACOMMON 0xff00 -+#define SHN_MIPS_TEXT 0xff01 -+#define SHN_MIPS_DATA 0xff02 -+#define SHN_MIPS_SCOMMON 0xff03 -+#define SHN_MIPS_SUNDEFINED 0xff04 -+ -+ -+ -+#define SHT_MIPS_LIBLIST 0x70000000 -+#define SHT_MIPS_MSYM 0x70000001 -+#define SHT_MIPS_CONFLICT 0x70000002 -+#define SHT_MIPS_GPTAB 0x70000003 -+#define SHT_MIPS_UCODE 0x70000004 -+#define SHT_MIPS_DEBUG 0x70000005 -+#define SHT_MIPS_REGINFO 0x70000006 -+#define SHT_MIPS_PACKAGE 0x70000007 -+#define SHT_MIPS_PACKSYM 0x70000008 -+#define SHT_MIPS_RELD 0x70000009 -+#define SHT_MIPS_IFACE 0x7000000b -+#define SHT_MIPS_CONTENT 0x7000000c -+#define SHT_MIPS_OPTIONS 0x7000000d -+#define SHT_MIPS_SHDR 0x70000010 -+#define SHT_MIPS_FDESC 0x70000011 -+#define SHT_MIPS_EXTSYM 0x70000012 -+#define SHT_MIPS_DENSE 0x70000013 -+#define SHT_MIPS_PDESC 0x70000014 -+#define SHT_MIPS_LOCSYM 0x70000015 -+#define SHT_MIPS_AUXSYM 0x70000016 -+#define SHT_MIPS_OPTSYM 0x70000017 -+#define SHT_MIPS_LOCSTR 0x70000018 -+#define SHT_MIPS_LINE 0x70000019 -+#define SHT_MIPS_RFDESC 0x7000001a -+#define SHT_MIPS_DELTASYM 0x7000001b -+#define SHT_MIPS_DELTAINST 0x7000001c -+#define SHT_MIPS_DELTACLASS 0x7000001d -+#define SHT_MIPS_DWARF 0x7000001e -+#define SHT_MIPS_DELTADECL 0x7000001f -+#define SHT_MIPS_SYMBOL_LIB 0x70000020 -+#define SHT_MIPS_EVENTS 0x70000021 -+#define SHT_MIPS_TRANSLATE 0x70000022 -+#define SHT_MIPS_PIXIE 0x70000023 -+#define SHT_MIPS_XLATE 0x70000024 -+#define SHT_MIPS_XLATE_DEBUG 0x70000025 -+#define SHT_MIPS_WHIRL 0x70000026 -+#define SHT_MIPS_EH_REGION 0x70000027 -+#define SHT_MIPS_XLATE_OLD 0x70000028 -+#define SHT_MIPS_PDR_EXCEPTION 0x70000029 -+ -+ -+ -+#define SHF_MIPS_GPREL 0x10000000 -+#define SHF_MIPS_MERGE 0x20000000 -+#define SHF_MIPS_ADDR 0x40000000 -+#define SHF_MIPS_STRINGS 0x80000000 -+#define SHF_MIPS_NOSTRIP 0x08000000 -+#define SHF_MIPS_LOCAL 0x04000000 -+#define SHF_MIPS_NAMES 0x02000000 -+#define SHF_MIPS_NODUPE 0x01000000 -+ -+ -+ -+ -+ -+#define STO_MIPS_DEFAULT 0x0 -+#define STO_MIPS_INTERNAL 0x1 -+#define STO_MIPS_HIDDEN 0x2 -+#define STO_MIPS_PROTECTED 0x3 -+#define STO_MIPS_PLT 0x8 -+#define STO_MIPS_SC_ALIGN_UNUSED 0xff -+ -+ -+#define STB_MIPS_SPLIT_COMMON 13 -+ -+ -+ -+typedef union { -+ struct { -+ Elf32_Word gt_current_g_value; -+ Elf32_Word gt_unused; -+ } gt_header; -+ struct { -+ Elf32_Word gt_g_value; -+ Elf32_Word gt_bytes; -+ } gt_entry; -+} Elf32_gptab; -+ -+ -+ -+typedef struct { -+ Elf32_Word ri_gprmask; -+ Elf32_Word ri_cprmask[4]; -+ Elf32_Sword ri_gp_value; -+} Elf32_RegInfo; -+ -+ -+ -+typedef struct { -+ unsigned char kind; -+ -+ unsigned char size; -+ Elf32_Section section; -+ -+ Elf32_Word info; -+} Elf_Options; -+ -+ -+ -+#define ODK_NULL 0 -+#define ODK_REGINFO 1 -+#define ODK_EXCEPTIONS 2 -+#define ODK_PAD 3 -+#define ODK_HWPATCH 4 -+#define ODK_FILL 5 -+#define ODK_TAGS 6 -+#define ODK_HWAND 7 -+#define ODK_HWOR 8 -+ -+ -+ -+#define OEX_FPU_MIN 0x1f -+#define OEX_FPU_MAX 0x1f00 -+#define OEX_PAGE0 0x10000 -+#define OEX_SMM 0x20000 -+#define OEX_FPDBUG 0x40000 -+#define OEX_PRECISEFP OEX_FPDBUG -+#define OEX_DISMISS 0x80000 -+ -+#define OEX_FPU_INVAL 0x10 -+#define OEX_FPU_DIV0 0x08 -+#define OEX_FPU_OFLO 0x04 -+#define OEX_FPU_UFLO 0x02 -+#define OEX_FPU_INEX 0x01 -+ -+ -+ -+#define OHW_R4KEOP 0x1 -+#define OHW_R8KPFETCH 0x2 -+#define OHW_R5KEOP 0x4 -+#define OHW_R5KCVTL 0x8 -+ -+#define OPAD_PREFIX 0x1 -+#define OPAD_POSTFIX 0x2 -+#define OPAD_SYMBOL 0x4 -+ -+ -+ -+typedef struct { -+ Elf32_Word hwp_flags1; -+ Elf32_Word hwp_flags2; -+} Elf_Options_Hw; -+ -+ -+ -+#define OHWA0_R4KEOP_CHECKED 0x00000001 -+#define OHWA1_R4KEOP_CLEAN 0x00000002 -+ -+ -+ -+#define R_MIPS_NONE 0 -+#define R_MIPS_16 1 -+#define R_MIPS_32 2 -+#define R_MIPS_REL32 3 -+#define R_MIPS_26 4 -+#define R_MIPS_HI16 5 -+#define R_MIPS_LO16 6 -+#define R_MIPS_GPREL16 7 -+#define R_MIPS_LITERAL 8 -+#define R_MIPS_GOT16 9 -+#define R_MIPS_PC16 10 -+#define R_MIPS_CALL16 11 -+#define R_MIPS_GPREL32 12 -+ -+#define R_MIPS_SHIFT5 16 -+#define R_MIPS_SHIFT6 17 -+#define R_MIPS_64 18 -+#define R_MIPS_GOT_DISP 19 -+#define R_MIPS_GOT_PAGE 20 -+#define R_MIPS_GOT_OFST 21 -+#define R_MIPS_GOT_HI16 22 -+#define R_MIPS_GOT_LO16 23 -+#define R_MIPS_SUB 24 -+#define R_MIPS_INSERT_A 25 -+#define R_MIPS_INSERT_B 26 -+#define R_MIPS_DELETE 27 -+#define R_MIPS_HIGHER 28 -+#define R_MIPS_HIGHEST 29 -+#define R_MIPS_CALL_HI16 30 -+#define R_MIPS_CALL_LO16 31 -+#define R_MIPS_SCN_DISP 32 -+#define R_MIPS_REL16 33 -+#define R_MIPS_ADD_IMMEDIATE 34 -+#define R_MIPS_PJUMP 35 -+#define R_MIPS_RELGOT 36 -+#define R_MIPS_JALR 37 -+#define R_MIPS_TLS_DTPMOD32 38 -+#define R_MIPS_TLS_DTPREL32 39 -+#define R_MIPS_TLS_DTPMOD64 40 -+#define R_MIPS_TLS_DTPREL64 41 -+#define R_MIPS_TLS_GD 42 -+#define R_MIPS_TLS_LDM 43 -+#define R_MIPS_TLS_DTPREL_HI16 44 -+#define R_MIPS_TLS_DTPREL_LO16 45 -+#define R_MIPS_TLS_GOTTPREL 46 -+#define R_MIPS_TLS_TPREL32 47 -+#define R_MIPS_TLS_TPREL64 48 -+#define R_MIPS_TLS_TPREL_HI16 49 -+#define R_MIPS_TLS_TPREL_LO16 50 -+#define R_MIPS_GLOB_DAT 51 -+#define R_MIPS_COPY 126 -+#define R_MIPS_JUMP_SLOT 127 -+ -+#define R_MIPS_NUM 128 -+ -+ -+ -+#define PT_MIPS_REGINFO 0x70000000 -+#define PT_MIPS_RTPROC 0x70000001 -+#define PT_MIPS_OPTIONS 0x70000002 -+ -+ -+ -+#define PF_MIPS_LOCAL 0x10000000 -+ -+ -+ -+#define DT_MIPS_RLD_VERSION 0x70000001 -+#define DT_MIPS_TIME_STAMP 0x70000002 -+#define DT_MIPS_ICHECKSUM 0x70000003 -+#define DT_MIPS_IVERSION 0x70000004 -+#define DT_MIPS_FLAGS 0x70000005 -+#define DT_MIPS_BASE_ADDRESS 0x70000006 -+#define DT_MIPS_MSYM 0x70000007 -+#define DT_MIPS_CONFLICT 0x70000008 -+#define DT_MIPS_LIBLIST 0x70000009 -+#define DT_MIPS_LOCAL_GOTNO 0x7000000a -+#define DT_MIPS_CONFLICTNO 0x7000000b -+#define DT_MIPS_LIBLISTNO 0x70000010 -+#define DT_MIPS_SYMTABNO 0x70000011 -+#define DT_MIPS_UNREFEXTNO 0x70000012 -+#define DT_MIPS_GOTSYM 0x70000013 -+#define DT_MIPS_HIPAGENO 0x70000014 -+#define DT_MIPS_RLD_MAP 0x70000016 -+#define DT_MIPS_DELTA_CLASS 0x70000017 -+#define DT_MIPS_DELTA_CLASS_NO 0x70000018 -+ -+#define DT_MIPS_DELTA_INSTANCE 0x70000019 -+#define DT_MIPS_DELTA_INSTANCE_NO 0x7000001a -+ -+#define DT_MIPS_DELTA_RELOC 0x7000001b -+#define DT_MIPS_DELTA_RELOC_NO 0x7000001c -+ -+#define DT_MIPS_DELTA_SYM 0x7000001d -+ -+#define DT_MIPS_DELTA_SYM_NO 0x7000001e -+ -+#define DT_MIPS_DELTA_CLASSSYM 0x70000020 -+ -+#define DT_MIPS_DELTA_CLASSSYM_NO 0x70000021 -+ -+#define DT_MIPS_CXX_FLAGS 0x70000022 -+#define DT_MIPS_PIXIE_INIT 0x70000023 -+#define DT_MIPS_SYMBOL_LIB 0x70000024 -+#define DT_MIPS_LOCALPAGE_GOTIDX 0x70000025 -+#define DT_MIPS_LOCAL_GOTIDX 0x70000026 -+#define DT_MIPS_HIDDEN_GOTIDX 0x70000027 -+#define DT_MIPS_PROTECTED_GOTIDX 0x70000028 -+#define DT_MIPS_OPTIONS 0x70000029 -+#define DT_MIPS_INTERFACE 0x7000002a -+#define DT_MIPS_DYNSTR_ALIGN 0x7000002b -+#define DT_MIPS_INTERFACE_SIZE 0x7000002c -+#define DT_MIPS_RLD_TEXT_RESOLVE_ADDR 0x7000002d -+ -+#define DT_MIPS_PERF_SUFFIX 0x7000002e -+ -+#define DT_MIPS_COMPACT_SIZE 0x7000002f -+#define DT_MIPS_GP_VALUE 0x70000030 -+#define DT_MIPS_AUX_DYNAMIC 0x70000031 -+ -+#define DT_MIPS_PLTGOT 0x70000032 -+ -+#define DT_MIPS_RWPLT 0x70000034 -+#define DT_MIPS_NUM 0x35 -+ -+ -+ -+#define RHF_NONE 0 -+#define RHF_QUICKSTART (1 << 0) -+#define RHF_NOTPOT (1 << 1) -+#define RHF_NO_LIBRARY_REPLACEMENT (1 << 2) -+#define RHF_NO_MOVE (1 << 3) -+#define RHF_SGI_ONLY (1 << 4) -+#define RHF_GUARANTEE_INIT (1 << 5) -+#define RHF_DELTA_C_PLUS_PLUS (1 << 6) -+#define RHF_GUARANTEE_START_INIT (1 << 7) -+#define RHF_PIXIE (1 << 8) -+#define RHF_DEFAULT_DELAY_LOAD (1 << 9) -+#define RHF_REQUICKSTART (1 << 10) -+#define RHF_REQUICKSTARTED (1 << 11) -+#define RHF_CORD (1 << 12) -+#define RHF_NO_UNRES_UNDEF (1 << 13) -+#define RHF_RLD_ORDER_SAFE (1 << 14) -+ -+ -+ -+typedef struct -+{ -+ Elf32_Word l_name; -+ Elf32_Word l_time_stamp; -+ Elf32_Word l_checksum; -+ Elf32_Word l_version; -+ Elf32_Word l_flags; -+} Elf32_Lib; -+ -+typedef struct -+{ -+ Elf64_Word l_name; -+ Elf64_Word l_time_stamp; -+ Elf64_Word l_checksum; -+ Elf64_Word l_version; -+ Elf64_Word l_flags; -+} Elf64_Lib; -+ -+ -+ -+ -+#define LL_NONE 0 -+#define LL_EXACT_MATCH (1 << 0) -+#define LL_IGNORE_INT_VER (1 << 1) -+#define LL_REQUIRE_MINOR (1 << 2) -+#define LL_EXPORTS (1 << 3) -+#define LL_DELAY_LOAD (1 << 4) -+#define LL_DELTA (1 << 5) -+ -+ -+ -+typedef Elf32_Addr Elf32_Conflict; -+ -+ -+ -+ -+ -+ -+#define EF_PARISC_TRAPNIL 0x00010000 -+#define EF_PARISC_EXT 0x00020000 -+#define EF_PARISC_LSB 0x00040000 -+#define EF_PARISC_WIDE 0x00080000 -+#define EF_PARISC_NO_KABP 0x00100000 -+ -+#define EF_PARISC_LAZYSWAP 0x00400000 -+#define EF_PARISC_ARCH 0x0000ffff -+ -+ -+ -+#define EFA_PARISC_1_0 0x020b -+#define EFA_PARISC_1_1 0x0210 -+#define EFA_PARISC_2_0 0x0214 -+ -+ -+ -+#define SHN_PARISC_ANSI_COMMON 0xff00 -+ -+#define SHN_PARISC_HUGE_COMMON 0xff01 -+ -+ -+ -+#define SHT_PARISC_EXT 0x70000000 -+#define SHT_PARISC_UNWIND 0x70000001 -+#define SHT_PARISC_DOC 0x70000002 -+ -+ -+ -+#define SHF_PARISC_SHORT 0x20000000 -+#define SHF_PARISC_HUGE 0x40000000 -+#define SHF_PARISC_SBP 0x80000000 -+ -+ -+ -+#define STT_PARISC_MILLICODE 13 -+ -+#define STT_HP_OPAQUE (STT_LOOS + 0x1) -+#define STT_HP_STUB (STT_LOOS + 0x2) -+ -+ -+ -+#define R_PARISC_NONE 0 -+#define R_PARISC_DIR32 1 -+#define R_PARISC_DIR21L 2 -+#define R_PARISC_DIR17R 3 -+#define R_PARISC_DIR17F 4 -+#define R_PARISC_DIR14R 6 -+#define R_PARISC_PCREL32 9 -+#define R_PARISC_PCREL21L 10 -+#define R_PARISC_PCREL17R 11 -+#define R_PARISC_PCREL17F 12 -+#define R_PARISC_PCREL14R 14 -+#define R_PARISC_DPREL21L 18 -+#define R_PARISC_DPREL14R 22 -+#define R_PARISC_GPREL21L 26 -+#define R_PARISC_GPREL14R 30 -+#define R_PARISC_LTOFF21L 34 -+#define R_PARISC_LTOFF14R 38 -+#define R_PARISC_SECREL32 41 -+#define R_PARISC_SEGBASE 48 -+#define R_PARISC_SEGREL32 49 -+#define R_PARISC_PLTOFF21L 50 -+#define R_PARISC_PLTOFF14R 54 -+#define R_PARISC_LTOFF_FPTR32 57 -+#define R_PARISC_LTOFF_FPTR21L 58 -+#define R_PARISC_LTOFF_FPTR14R 62 -+#define R_PARISC_FPTR64 64 -+#define R_PARISC_PLABEL32 65 -+#define R_PARISC_PLABEL21L 66 -+#define R_PARISC_PLABEL14R 70 -+#define R_PARISC_PCREL64 72 -+#define R_PARISC_PCREL22F 74 -+#define R_PARISC_PCREL14WR 75 -+#define R_PARISC_PCREL14DR 76 -+#define R_PARISC_PCREL16F 77 -+#define R_PARISC_PCREL16WF 78 -+#define R_PARISC_PCREL16DF 79 -+#define R_PARISC_DIR64 80 -+#define R_PARISC_DIR14WR 83 -+#define R_PARISC_DIR14DR 84 -+#define R_PARISC_DIR16F 85 -+#define R_PARISC_DIR16WF 86 -+#define R_PARISC_DIR16DF 87 -+#define R_PARISC_GPREL64 88 -+#define R_PARISC_GPREL14WR 91 -+#define R_PARISC_GPREL14DR 92 -+#define R_PARISC_GPREL16F 93 -+#define R_PARISC_GPREL16WF 94 -+#define R_PARISC_GPREL16DF 95 -+#define R_PARISC_LTOFF64 96 -+#define R_PARISC_LTOFF14WR 99 -+#define R_PARISC_LTOFF14DR 100 -+#define R_PARISC_LTOFF16F 101 -+#define R_PARISC_LTOFF16WF 102 -+#define R_PARISC_LTOFF16DF 103 -+#define R_PARISC_SECREL64 104 -+#define R_PARISC_SEGREL64 112 -+#define R_PARISC_PLTOFF14WR 115 -+#define R_PARISC_PLTOFF14DR 116 -+#define R_PARISC_PLTOFF16F 117 -+#define R_PARISC_PLTOFF16WF 118 -+#define R_PARISC_PLTOFF16DF 119 -+#define R_PARISC_LTOFF_FPTR64 120 -+#define R_PARISC_LTOFF_FPTR14WR 123 -+#define R_PARISC_LTOFF_FPTR14DR 124 -+#define R_PARISC_LTOFF_FPTR16F 125 -+#define R_PARISC_LTOFF_FPTR16WF 126 -+#define R_PARISC_LTOFF_FPTR16DF 127 -+#define R_PARISC_LORESERVE 128 -+#define R_PARISC_COPY 128 -+#define R_PARISC_IPLT 129 -+#define R_PARISC_EPLT 130 -+#define R_PARISC_TPREL32 153 -+#define R_PARISC_TPREL21L 154 -+#define R_PARISC_TPREL14R 158 -+#define R_PARISC_LTOFF_TP21L 162 -+#define R_PARISC_LTOFF_TP14R 166 -+#define R_PARISC_LTOFF_TP14F 167 -+#define R_PARISC_TPREL64 216 -+#define R_PARISC_TPREL14WR 219 -+#define R_PARISC_TPREL14DR 220 -+#define R_PARISC_TPREL16F 221 -+#define R_PARISC_TPREL16WF 222 -+#define R_PARISC_TPREL16DF 223 -+#define R_PARISC_LTOFF_TP64 224 -+#define R_PARISC_LTOFF_TP14WR 227 -+#define R_PARISC_LTOFF_TP14DR 228 -+#define R_PARISC_LTOFF_TP16F 229 -+#define R_PARISC_LTOFF_TP16WF 230 -+#define R_PARISC_LTOFF_TP16DF 231 -+#define R_PARISC_GNU_VTENTRY 232 -+#define R_PARISC_GNU_VTINHERIT 233 -+#define R_PARISC_TLS_GD21L 234 -+#define R_PARISC_TLS_GD14R 235 -+#define R_PARISC_TLS_GDCALL 236 -+#define R_PARISC_TLS_LDM21L 237 -+#define R_PARISC_TLS_LDM14R 238 -+#define R_PARISC_TLS_LDMCALL 239 -+#define R_PARISC_TLS_LDO21L 240 -+#define R_PARISC_TLS_LDO14R 241 -+#define R_PARISC_TLS_DTPMOD32 242 -+#define R_PARISC_TLS_DTPMOD64 243 -+#define R_PARISC_TLS_DTPOFF32 244 -+#define R_PARISC_TLS_DTPOFF64 245 -+#define R_PARISC_TLS_LE21L R_PARISC_TPREL21L -+#define R_PARISC_TLS_LE14R R_PARISC_TPREL14R -+#define R_PARISC_TLS_IE21L R_PARISC_LTOFF_TP21L -+#define R_PARISC_TLS_IE14R R_PARISC_LTOFF_TP14R -+#define R_PARISC_TLS_TPREL32 R_PARISC_TPREL32 -+#define R_PARISC_TLS_TPREL64 R_PARISC_TPREL64 -+#define R_PARISC_HIRESERVE 255 -+ -+ -+ -+#define PT_HP_TLS (PT_LOOS + 0x0) -+#define PT_HP_CORE_NONE (PT_LOOS + 0x1) -+#define PT_HP_CORE_VERSION (PT_LOOS + 0x2) -+#define PT_HP_CORE_KERNEL (PT_LOOS + 0x3) -+#define PT_HP_CORE_COMM (PT_LOOS + 0x4) -+#define PT_HP_CORE_PROC (PT_LOOS + 0x5) -+#define PT_HP_CORE_LOADABLE (PT_LOOS + 0x6) -+#define PT_HP_CORE_STACK (PT_LOOS + 0x7) -+#define PT_HP_CORE_SHM (PT_LOOS + 0x8) -+#define PT_HP_CORE_MMF (PT_LOOS + 0x9) -+#define PT_HP_PARALLEL (PT_LOOS + 0x10) -+#define PT_HP_FASTBIND (PT_LOOS + 0x11) -+#define PT_HP_OPT_ANNOT (PT_LOOS + 0x12) -+#define PT_HP_HSL_ANNOT (PT_LOOS + 0x13) -+#define PT_HP_STACK (PT_LOOS + 0x14) -+ -+#define PT_PARISC_ARCHEXT 0x70000000 -+#define PT_PARISC_UNWIND 0x70000001 -+ -+ -+ -+#define PF_PARISC_SBP 0x08000000 -+ -+#define PF_HP_PAGE_SIZE 0x00100000 -+#define PF_HP_FAR_SHARED 0x00200000 -+#define PF_HP_NEAR_SHARED 0x00400000 -+#define PF_HP_CODE 0x01000000 -+#define PF_HP_MODIFY 0x02000000 -+#define PF_HP_LAZYSWAP 0x04000000 -+#define PF_HP_SBP 0x08000000 -+ -+ -+ -+ -+ -+ -+#define EF_ALPHA_32BIT 1 -+#define EF_ALPHA_CANRELAX 2 -+ -+ -+ -+ -+#define SHT_ALPHA_DEBUG 0x70000001 -+#define SHT_ALPHA_REGINFO 0x70000002 -+ -+ -+ -+#define SHF_ALPHA_GPREL 0x10000000 -+ -+ -+#define STO_ALPHA_NOPV 0x80 -+#define STO_ALPHA_STD_GPLOAD 0x88 -+ -+ -+ -+#define R_ALPHA_NONE 0 -+#define R_ALPHA_REFLONG 1 -+#define R_ALPHA_REFQUAD 2 -+#define R_ALPHA_GPREL32 3 -+#define R_ALPHA_LITERAL 4 -+#define R_ALPHA_LITUSE 5 -+#define R_ALPHA_GPDISP 6 -+#define R_ALPHA_BRADDR 7 -+#define R_ALPHA_HINT 8 -+#define R_ALPHA_SREL16 9 -+#define R_ALPHA_SREL32 10 -+#define R_ALPHA_SREL64 11 -+#define R_ALPHA_GPRELHIGH 17 -+#define R_ALPHA_GPRELLOW 18 -+#define R_ALPHA_GPREL16 19 -+#define R_ALPHA_COPY 24 -+#define R_ALPHA_GLOB_DAT 25 -+#define R_ALPHA_JMP_SLOT 26 -+#define R_ALPHA_RELATIVE 27 -+#define R_ALPHA_TLS_GD_HI 28 -+#define R_ALPHA_TLSGD 29 -+#define R_ALPHA_TLS_LDM 30 -+#define R_ALPHA_DTPMOD64 31 -+#define R_ALPHA_GOTDTPREL 32 -+#define R_ALPHA_DTPREL64 33 -+#define R_ALPHA_DTPRELHI 34 -+#define R_ALPHA_DTPRELLO 35 -+#define R_ALPHA_DTPREL16 36 -+#define R_ALPHA_GOTTPREL 37 -+#define R_ALPHA_TPREL64 38 -+#define R_ALPHA_TPRELHI 39 -+#define R_ALPHA_TPRELLO 40 -+#define R_ALPHA_TPREL16 41 -+ -+#define R_ALPHA_NUM 46 -+ -+ -+#define LITUSE_ALPHA_ADDR 0 -+#define LITUSE_ALPHA_BASE 1 -+#define LITUSE_ALPHA_BYTOFF 2 -+#define LITUSE_ALPHA_JSR 3 -+#define LITUSE_ALPHA_TLS_GD 4 -+#define LITUSE_ALPHA_TLS_LDM 5 -+ -+ -+#define DT_ALPHA_PLTRO (DT_LOPROC + 0) -+#define DT_ALPHA_NUM 1 -+ -+ -+ -+ -+#define EF_PPC_EMB 0x80000000 -+ -+ -+#define EF_PPC_RELOCATABLE 0x00010000 -+#define EF_PPC_RELOCATABLE_LIB 0x00008000 -+ -+ -+ -+#define R_PPC_NONE 0 -+#define R_PPC_ADDR32 1 -+#define R_PPC_ADDR24 2 -+#define R_PPC_ADDR16 3 -+#define R_PPC_ADDR16_LO 4 -+#define R_PPC_ADDR16_HI 5 -+#define R_PPC_ADDR16_HA 6 -+#define R_PPC_ADDR14 7 -+#define R_PPC_ADDR14_BRTAKEN 8 -+#define R_PPC_ADDR14_BRNTAKEN 9 -+#define R_PPC_REL24 10 -+#define R_PPC_REL14 11 -+#define R_PPC_REL14_BRTAKEN 12 -+#define R_PPC_REL14_BRNTAKEN 13 -+#define R_PPC_GOT16 14 -+#define R_PPC_GOT16_LO 15 -+#define R_PPC_GOT16_HI 16 -+#define R_PPC_GOT16_HA 17 -+#define R_PPC_PLTREL24 18 -+#define R_PPC_COPY 19 -+#define R_PPC_GLOB_DAT 20 -+#define R_PPC_JMP_SLOT 21 -+#define R_PPC_RELATIVE 22 -+#define R_PPC_LOCAL24PC 23 -+#define R_PPC_UADDR32 24 -+#define R_PPC_UADDR16 25 -+#define R_PPC_REL32 26 -+#define R_PPC_PLT32 27 -+#define R_PPC_PLTREL32 28 -+#define R_PPC_PLT16_LO 29 -+#define R_PPC_PLT16_HI 30 -+#define R_PPC_PLT16_HA 31 -+#define R_PPC_SDAREL16 32 -+#define R_PPC_SECTOFF 33 -+#define R_PPC_SECTOFF_LO 34 -+#define R_PPC_SECTOFF_HI 35 -+#define R_PPC_SECTOFF_HA 36 -+ -+ -+#define R_PPC_TLS 67 -+#define R_PPC_DTPMOD32 68 -+#define R_PPC_TPREL16 69 -+#define R_PPC_TPREL16_LO 70 -+#define R_PPC_TPREL16_HI 71 -+#define R_PPC_TPREL16_HA 72 -+#define R_PPC_TPREL32 73 -+#define R_PPC_DTPREL16 74 -+#define R_PPC_DTPREL16_LO 75 -+#define R_PPC_DTPREL16_HI 76 -+#define R_PPC_DTPREL16_HA 77 -+#define R_PPC_DTPREL32 78 -+#define R_PPC_GOT_TLSGD16 79 -+#define R_PPC_GOT_TLSGD16_LO 80 -+#define R_PPC_GOT_TLSGD16_HI 81 -+#define R_PPC_GOT_TLSGD16_HA 82 -+#define R_PPC_GOT_TLSLD16 83 -+#define R_PPC_GOT_TLSLD16_LO 84 -+#define R_PPC_GOT_TLSLD16_HI 85 -+#define R_PPC_GOT_TLSLD16_HA 86 -+#define R_PPC_GOT_TPREL16 87 -+#define R_PPC_GOT_TPREL16_LO 88 -+#define R_PPC_GOT_TPREL16_HI 89 -+#define R_PPC_GOT_TPREL16_HA 90 -+#define R_PPC_GOT_DTPREL16 91 -+#define R_PPC_GOT_DTPREL16_LO 92 -+#define R_PPC_GOT_DTPREL16_HI 93 -+#define R_PPC_GOT_DTPREL16_HA 94 -+ -+ -+ -+#define R_PPC_EMB_NADDR32 101 -+#define R_PPC_EMB_NADDR16 102 -+#define R_PPC_EMB_NADDR16_LO 103 -+#define R_PPC_EMB_NADDR16_HI 104 -+#define R_PPC_EMB_NADDR16_HA 105 -+#define R_PPC_EMB_SDAI16 106 -+#define R_PPC_EMB_SDA2I16 107 -+#define R_PPC_EMB_SDA2REL 108 -+#define R_PPC_EMB_SDA21 109 -+#define R_PPC_EMB_MRKREF 110 -+#define R_PPC_EMB_RELSEC16 111 -+#define R_PPC_EMB_RELST_LO 112 -+#define R_PPC_EMB_RELST_HI 113 -+#define R_PPC_EMB_RELST_HA 114 -+#define R_PPC_EMB_BIT_FLD 115 -+#define R_PPC_EMB_RELSDA 116 -+ -+ -+#define R_PPC_DIAB_SDA21_LO 180 -+#define R_PPC_DIAB_SDA21_HI 181 -+#define R_PPC_DIAB_SDA21_HA 182 -+#define R_PPC_DIAB_RELSDA_LO 183 -+#define R_PPC_DIAB_RELSDA_HI 184 -+#define R_PPC_DIAB_RELSDA_HA 185 -+ -+ -+#define R_PPC_IRELATIVE 248 -+ -+ -+#define R_PPC_REL16 249 -+#define R_PPC_REL16_LO 250 -+#define R_PPC_REL16_HI 251 -+#define R_PPC_REL16_HA 252 -+ -+ -+ -+#define R_PPC_TOC16 255 -+ -+ -+#define DT_PPC_GOT (DT_LOPROC + 0) -+#define DT_PPC_NUM 1 -+ -+ -+#define R_PPC64_NONE R_PPC_NONE -+#define R_PPC64_ADDR32 R_PPC_ADDR32 -+#define R_PPC64_ADDR24 R_PPC_ADDR24 -+#define R_PPC64_ADDR16 R_PPC_ADDR16 -+#define R_PPC64_ADDR16_LO R_PPC_ADDR16_LO -+#define R_PPC64_ADDR16_HI R_PPC_ADDR16_HI -+#define R_PPC64_ADDR16_HA R_PPC_ADDR16_HA -+#define R_PPC64_ADDR14 R_PPC_ADDR14 -+#define R_PPC64_ADDR14_BRTAKEN R_PPC_ADDR14_BRTAKEN -+#define R_PPC64_ADDR14_BRNTAKEN R_PPC_ADDR14_BRNTAKEN -+#define R_PPC64_REL24 R_PPC_REL24 -+#define R_PPC64_REL14 R_PPC_REL14 -+#define R_PPC64_REL14_BRTAKEN R_PPC_REL14_BRTAKEN -+#define R_PPC64_REL14_BRNTAKEN R_PPC_REL14_BRNTAKEN -+#define R_PPC64_GOT16 R_PPC_GOT16 -+#define R_PPC64_GOT16_LO R_PPC_GOT16_LO -+#define R_PPC64_GOT16_HI R_PPC_GOT16_HI -+#define R_PPC64_GOT16_HA R_PPC_GOT16_HA -+ -+#define R_PPC64_COPY R_PPC_COPY -+#define R_PPC64_GLOB_DAT R_PPC_GLOB_DAT -+#define R_PPC64_JMP_SLOT R_PPC_JMP_SLOT -+#define R_PPC64_RELATIVE R_PPC_RELATIVE -+ -+#define R_PPC64_UADDR32 R_PPC_UADDR32 -+#define R_PPC64_UADDR16 R_PPC_UADDR16 -+#define R_PPC64_REL32 R_PPC_REL32 -+#define R_PPC64_PLT32 R_PPC_PLT32 -+#define R_PPC64_PLTREL32 R_PPC_PLTREL32 -+#define R_PPC64_PLT16_LO R_PPC_PLT16_LO -+#define R_PPC64_PLT16_HI R_PPC_PLT16_HI -+#define R_PPC64_PLT16_HA R_PPC_PLT16_HA -+ -+#define R_PPC64_SECTOFF R_PPC_SECTOFF -+#define R_PPC64_SECTOFF_LO R_PPC_SECTOFF_LO -+#define R_PPC64_SECTOFF_HI R_PPC_SECTOFF_HI -+#define R_PPC64_SECTOFF_HA R_PPC_SECTOFF_HA -+#define R_PPC64_ADDR30 37 -+#define R_PPC64_ADDR64 38 -+#define R_PPC64_ADDR16_HIGHER 39 -+#define R_PPC64_ADDR16_HIGHERA 40 -+#define R_PPC64_ADDR16_HIGHEST 41 -+#define R_PPC64_ADDR16_HIGHESTA 42 -+#define R_PPC64_UADDR64 43 -+#define R_PPC64_REL64 44 -+#define R_PPC64_PLT64 45 -+#define R_PPC64_PLTREL64 46 -+#define R_PPC64_TOC16 47 -+#define R_PPC64_TOC16_LO 48 -+#define R_PPC64_TOC16_HI 49 -+#define R_PPC64_TOC16_HA 50 -+#define R_PPC64_TOC 51 -+#define R_PPC64_PLTGOT16 52 -+#define R_PPC64_PLTGOT16_LO 53 -+#define R_PPC64_PLTGOT16_HI 54 -+#define R_PPC64_PLTGOT16_HA 55 -+ -+#define R_PPC64_ADDR16_DS 56 -+#define R_PPC64_ADDR16_LO_DS 57 -+#define R_PPC64_GOT16_DS 58 -+#define R_PPC64_GOT16_LO_DS 59 -+#define R_PPC64_PLT16_LO_DS 60 -+#define R_PPC64_SECTOFF_DS 61 -+#define R_PPC64_SECTOFF_LO_DS 62 -+#define R_PPC64_TOC16_DS 63 -+#define R_PPC64_TOC16_LO_DS 64 -+#define R_PPC64_PLTGOT16_DS 65 -+#define R_PPC64_PLTGOT16_LO_DS 66 -+ -+ -+#define R_PPC64_TLS 67 -+#define R_PPC64_DTPMOD64 68 -+#define R_PPC64_TPREL16 69 -+#define R_PPC64_TPREL16_LO 70 -+#define R_PPC64_TPREL16_HI 71 -+#define R_PPC64_TPREL16_HA 72 -+#define R_PPC64_TPREL64 73 -+#define R_PPC64_DTPREL16 74 -+#define R_PPC64_DTPREL16_LO 75 -+#define R_PPC64_DTPREL16_HI 76 -+#define R_PPC64_DTPREL16_HA 77 -+#define R_PPC64_DTPREL64 78 -+#define R_PPC64_GOT_TLSGD16 79 -+#define R_PPC64_GOT_TLSGD16_LO 80 -+#define R_PPC64_GOT_TLSGD16_HI 81 -+#define R_PPC64_GOT_TLSGD16_HA 82 -+#define R_PPC64_GOT_TLSLD16 83 -+#define R_PPC64_GOT_TLSLD16_LO 84 -+#define R_PPC64_GOT_TLSLD16_HI 85 -+#define R_PPC64_GOT_TLSLD16_HA 86 -+#define R_PPC64_GOT_TPREL16_DS 87 -+#define R_PPC64_GOT_TPREL16_LO_DS 88 -+#define R_PPC64_GOT_TPREL16_HI 89 -+#define R_PPC64_GOT_TPREL16_HA 90 -+#define R_PPC64_GOT_DTPREL16_DS 91 -+#define R_PPC64_GOT_DTPREL16_LO_DS 92 -+#define R_PPC64_GOT_DTPREL16_HI 93 -+#define R_PPC64_GOT_DTPREL16_HA 94 -+#define R_PPC64_TPREL16_DS 95 -+#define R_PPC64_TPREL16_LO_DS 96 -+#define R_PPC64_TPREL16_HIGHER 97 -+#define R_PPC64_TPREL16_HIGHERA 98 -+#define R_PPC64_TPREL16_HIGHEST 99 -+#define R_PPC64_TPREL16_HIGHESTA 100 -+#define R_PPC64_DTPREL16_DS 101 -+#define R_PPC64_DTPREL16_LO_DS 102 -+#define R_PPC64_DTPREL16_HIGHER 103 -+#define R_PPC64_DTPREL16_HIGHERA 104 -+#define R_PPC64_DTPREL16_HIGHEST 105 -+#define R_PPC64_DTPREL16_HIGHESTA 106 -+ -+ -+#define R_PPC64_JMP_IREL 247 -+#define R_PPC64_IRELATIVE 248 -+#define R_PPC64_REL16 249 -+#define R_PPC64_REL16_LO 250 -+#define R_PPC64_REL16_HI 251 -+#define R_PPC64_REL16_HA 252 -+ -+ -+#define DT_PPC64_GLINK (DT_LOPROC + 0) -+#define DT_PPC64_OPD (DT_LOPROC + 1) -+#define DT_PPC64_OPDSZ (DT_LOPROC + 2) -+#define DT_PPC64_NUM 3 -+ -+ -+ -+ -+ -+#define EF_ARM_RELEXEC 0x01 -+#define EF_ARM_HASENTRY 0x02 -+#define EF_ARM_INTERWORK 0x04 -+#define EF_ARM_APCS_26 0x08 -+#define EF_ARM_APCS_FLOAT 0x10 -+#define EF_ARM_PIC 0x20 -+#define EF_ARM_ALIGN8 0x40 -+#define EF_ARM_NEW_ABI 0x80 -+#define EF_ARM_OLD_ABI 0x100 -+#define EF_ARM_SOFT_FLOAT 0x200 -+#define EF_ARM_VFP_FLOAT 0x400 -+#define EF_ARM_MAVERICK_FLOAT 0x800 -+ -+#define EF_ARM_ABI_FLOAT_SOFT 0x200 -+#define EF_ARM_ABI_FLOAT_HARD 0x400 -+ -+ -+#define EF_ARM_SYMSARESORTED 0x04 -+#define EF_ARM_DYNSYMSUSESEGIDX 0x08 -+#define EF_ARM_MAPSYMSFIRST 0x10 -+#define EF_ARM_EABIMASK 0XFF000000 -+ -+ -+#define EF_ARM_BE8 0x00800000 -+#define EF_ARM_LE8 0x00400000 -+ -+#define EF_ARM_EABI_VERSION(flags) ((flags) & EF_ARM_EABIMASK) -+#define EF_ARM_EABI_UNKNOWN 0x00000000 -+#define EF_ARM_EABI_VER1 0x01000000 -+#define EF_ARM_EABI_VER2 0x02000000 -+#define EF_ARM_EABI_VER3 0x03000000 -+#define EF_ARM_EABI_VER4 0x04000000 -+#define EF_ARM_EABI_VER5 0x05000000 -+ -+ -+#define STT_ARM_TFUNC STT_LOPROC -+#define STT_ARM_16BIT STT_HIPROC -+ -+ -+#define SHF_ARM_ENTRYSECT 0x10000000 -+#define SHF_ARM_COMDEF 0x80000000 -+ -+ -+ -+#define PF_ARM_SB 0x10000000 -+ -+#define PF_ARM_PI 0x20000000 -+#define PF_ARM_ABS 0x40000000 -+ -+ -+#define PT_ARM_EXIDX (PT_LOPROC + 1) -+ -+ -+#define SHT_ARM_EXIDX (SHT_LOPROC + 1) -+#define SHT_ARM_PREEMPTMAP (SHT_LOPROC + 2) -+#define SHT_ARM_ATTRIBUTES (SHT_LOPROC + 3) -+ -+ -+#define R_AARCH64_NONE 0 -+#define R_AARCH64_ABS64 257 -+#define R_AARCH64_ABS32 258 -+#define R_AARCH64_COPY 1024 -+#define R_AARCH64_GLOB_DAT 1025 -+#define R_AARCH64_JUMP_SLOT 1026 -+#define R_AARCH64_RELATIVE 1027 -+#define R_AARCH64_TLS_DTPMOD64 1028 -+#define R_AARCH64_TLS_DTPREL64 1029 -+#define R_AARCH64_TLS_TPREL64 1030 -+#define R_AARCH64_TLSDESC 1031 -+ -+ -+#define R_ARM_NONE 0 -+#define R_ARM_PC24 1 -+#define R_ARM_ABS32 2 -+#define R_ARM_REL32 3 -+#define R_ARM_PC13 4 -+#define R_ARM_ABS16 5 -+#define R_ARM_ABS12 6 -+#define R_ARM_THM_ABS5 7 -+#define R_ARM_ABS8 8 -+#define R_ARM_SBREL32 9 -+#define R_ARM_THM_PC22 10 -+#define R_ARM_THM_PC8 11 -+#define R_ARM_AMP_VCALL9 12 -+#define R_ARM_TLS_DESC 13 -+#define R_ARM_THM_SWI8 14 -+#define R_ARM_XPC25 15 -+#define R_ARM_THM_XPC22 16 -+#define R_ARM_TLS_DTPMOD32 17 -+#define R_ARM_TLS_DTPOFF32 18 -+#define R_ARM_TLS_TPOFF32 19 -+#define R_ARM_COPY 20 -+#define R_ARM_GLOB_DAT 21 -+#define R_ARM_JUMP_SLOT 22 -+#define R_ARM_RELATIVE 23 -+#define R_ARM_GOTOFF 24 -+#define R_ARM_GOTPC 25 -+#define R_ARM_GOT32 26 -+#define R_ARM_PLT32 27 -+#define R_ARM_CALL 28 -+#define R_ARM_JUMP24 29 -+#define R_ARM_THM_JUMP24 30 -+#define R_ARM_BASE_ABS 31 -+#define R_ARM_ALU_PCREL_7_0 32 -+#define R_ARM_ALU_PCREL_15_8 33 -+#define R_ARM_ALU_PCREL_23_15 34 -+#define R_ARM_LDR_SBREL_11_0 35 -+#define R_ARM_ALU_SBREL_19_12 36 -+#define R_ARM_ALU_SBREL_27_20 37 -+#define R_ARM_TARGET1 38 -+#define R_ARM_SBREL31 39 -+#define R_ARM_V4BX 40 -+#define R_ARM_TARGET2 41 -+#define R_ARM_PREL31 42 -+#define R_ARM_MOVW_ABS_NC 43 -+#define R_ARM_MOVT_ABS 44 -+#define R_ARM_MOVW_PREL_NC 45 -+#define R_ARM_MOVT_PREL 46 -+#define R_ARM_THM_MOVW_ABS_NC 47 -+#define R_ARM_THM_MOVT_ABS 48 -+#define R_ARM_THM_MOVW_PREL_NC 49 -+#define R_ARM_THM_MOVT_PREL 50 -+#define R_ARM_THM_JUMP19 51 -+#define R_ARM_THM_JUMP6 52 -+#define R_ARM_THM_ALU_PREL_11_0 53 -+#define R_ARM_THM_PC12 54 -+#define R_ARM_ABS32_NOI 55 -+#define R_ARM_REL32_NOI 56 -+#define R_ARM_ALU_PC_G0_NC 57 -+#define R_ARM_ALU_PC_G0 58 -+#define R_ARM_ALU_PC_G1_NC 59 -+#define R_ARM_ALU_PC_G1 60 -+#define R_ARM_ALU_PC_G2 61 -+#define R_ARM_LDR_PC_G1 62 -+#define R_ARM_LDR_PC_G2 63 -+#define R_ARM_LDRS_PC_G0 64 -+#define R_ARM_LDRS_PC_G1 65 -+#define R_ARM_LDRS_PC_G2 66 -+#define R_ARM_LDC_PC_G0 67 -+#define R_ARM_LDC_PC_G1 68 -+#define R_ARM_LDC_PC_G2 69 -+#define R_ARM_ALU_SB_G0_NC 70 -+#define R_ARM_ALU_SB_G0 71 -+#define R_ARM_ALU_SB_G1_NC 72 -+#define R_ARM_ALU_SB_G1 73 -+#define R_ARM_ALU_SB_G2 74 -+#define R_ARM_LDR_SB_G0 75 -+#define R_ARM_LDR_SB_G1 76 -+#define R_ARM_LDR_SB_G2 77 -+#define R_ARM_LDRS_SB_G0 78 -+#define R_ARM_LDRS_SB_G1 79 -+#define R_ARM_LDRS_SB_G2 80 -+#define R_ARM_LDC_SB_G0 81 -+#define R_ARM_LDC_SB_G1 82 -+#define R_ARM_LDC_SB_G2 83 -+#define R_ARM_MOVW_BREL_NC 84 -+#define R_ARM_MOVT_BREL 85 -+#define R_ARM_MOVW_BREL 86 -+#define R_ARM_THM_MOVW_BREL_NC 87 -+#define R_ARM_THM_MOVT_BREL 88 -+#define R_ARM_THM_MOVW_BREL 89 -+#define R_ARM_TLS_GOTDESC 90 -+#define R_ARM_TLS_CALL 91 -+#define R_ARM_TLS_DESCSEQ 92 -+#define R_ARM_THM_TLS_CALL 93 -+#define R_ARM_PLT32_ABS 94 -+#define R_ARM_GOT_ABS 95 -+#define R_ARM_GOT_PREL 96 -+#define R_ARM_GOT_BREL12 97 -+#define R_ARM_GOTOFF12 98 -+#define R_ARM_GOTRELAX 99 -+#define R_ARM_GNU_VTENTRY 100 -+#define R_ARM_GNU_VTINHERIT 101 -+#define R_ARM_THM_PC11 102 -+#define R_ARM_THM_PC9 103 -+#define R_ARM_TLS_GD32 104 -+ -+#define R_ARM_TLS_LDM32 105 -+ -+#define R_ARM_TLS_LDO32 106 -+ -+#define R_ARM_TLS_IE32 107 -+ -+#define R_ARM_TLS_LE32 108 -+#define R_ARM_TLS_LDO12 109 -+#define R_ARM_TLS_LE12 110 -+#define R_ARM_TLS_IE12GP 111 -+#define R_ARM_ME_TOO 128 -+#define R_ARM_THM_TLS_DESCSEQ 129 -+#define R_ARM_THM_TLS_DESCSEQ16 129 -+#define R_ARM_THM_TLS_DESCSEQ32 130 -+#define R_ARM_THM_GOT_BREL12 131 -+#define R_ARM_IRELATIVE 160 -+#define R_ARM_RXPC25 249 -+#define R_ARM_RSBREL32 250 -+#define R_ARM_THM_RPC22 251 -+#define R_ARM_RREL32 252 -+#define R_ARM_RABS22 253 -+#define R_ARM_RPC24 254 -+#define R_ARM_RBASE 255 -+ -+#define R_ARM_NUM 256 -+ -+ -+ -+ -+#define EF_IA_64_MASKOS 0x0000000f -+#define EF_IA_64_ABI64 0x00000010 -+#define EF_IA_64_ARCH 0xff000000 -+ -+ -+#define PT_IA_64_ARCHEXT (PT_LOPROC + 0) -+#define PT_IA_64_UNWIND (PT_LOPROC + 1) -+#define PT_IA_64_HP_OPT_ANOT (PT_LOOS + 0x12) -+#define PT_IA_64_HP_HSL_ANOT (PT_LOOS + 0x13) -+#define PT_IA_64_HP_STACK (PT_LOOS + 0x14) -+ -+ -+#define PF_IA_64_NORECOV 0x80000000 -+ -+ -+#define SHT_IA_64_EXT (SHT_LOPROC + 0) -+#define SHT_IA_64_UNWIND (SHT_LOPROC + 1) -+ -+ -+#define SHF_IA_64_SHORT 0x10000000 -+#define SHF_IA_64_NORECOV 0x20000000 -+ -+ -+#define DT_IA_64_PLT_RESERVE (DT_LOPROC + 0) -+#define DT_IA_64_NUM 1 -+ -+ -+#define R_IA64_NONE 0x00 -+#define R_IA64_IMM14 0x21 -+#define R_IA64_IMM22 0x22 -+#define R_IA64_IMM64 0x23 -+#define R_IA64_DIR32MSB 0x24 -+#define R_IA64_DIR32LSB 0x25 -+#define R_IA64_DIR64MSB 0x26 -+#define R_IA64_DIR64LSB 0x27 -+#define R_IA64_GPREL22 0x2a -+#define R_IA64_GPREL64I 0x2b -+#define R_IA64_GPREL32MSB 0x2c -+#define R_IA64_GPREL32LSB 0x2d -+#define R_IA64_GPREL64MSB 0x2e -+#define R_IA64_GPREL64LSB 0x2f -+#define R_IA64_LTOFF22 0x32 -+#define R_IA64_LTOFF64I 0x33 -+#define R_IA64_PLTOFF22 0x3a -+#define R_IA64_PLTOFF64I 0x3b -+#define R_IA64_PLTOFF64MSB 0x3e -+#define R_IA64_PLTOFF64LSB 0x3f -+#define R_IA64_FPTR64I 0x43 -+#define R_IA64_FPTR32MSB 0x44 -+#define R_IA64_FPTR32LSB 0x45 -+#define R_IA64_FPTR64MSB 0x46 -+#define R_IA64_FPTR64LSB 0x47 -+#define R_IA64_PCREL60B 0x48 -+#define R_IA64_PCREL21B 0x49 -+#define R_IA64_PCREL21M 0x4a -+#define R_IA64_PCREL21F 0x4b -+#define R_IA64_PCREL32MSB 0x4c -+#define R_IA64_PCREL32LSB 0x4d -+#define R_IA64_PCREL64MSB 0x4e -+#define R_IA64_PCREL64LSB 0x4f -+#define R_IA64_LTOFF_FPTR22 0x52 -+#define R_IA64_LTOFF_FPTR64I 0x53 -+#define R_IA64_LTOFF_FPTR32MSB 0x54 -+#define R_IA64_LTOFF_FPTR32LSB 0x55 -+#define R_IA64_LTOFF_FPTR64MSB 0x56 -+#define R_IA64_LTOFF_FPTR64LSB 0x57 -+#define R_IA64_SEGREL32MSB 0x5c -+#define R_IA64_SEGREL32LSB 0x5d -+#define R_IA64_SEGREL64MSB 0x5e -+#define R_IA64_SEGREL64LSB 0x5f -+#define R_IA64_SECREL32MSB 0x64 -+#define R_IA64_SECREL32LSB 0x65 -+#define R_IA64_SECREL64MSB 0x66 -+#define R_IA64_SECREL64LSB 0x67 -+#define R_IA64_REL32MSB 0x6c -+#define R_IA64_REL32LSB 0x6d -+#define R_IA64_REL64MSB 0x6e -+#define R_IA64_REL64LSB 0x6f -+#define R_IA64_LTV32MSB 0x74 -+#define R_IA64_LTV32LSB 0x75 -+#define R_IA64_LTV64MSB 0x76 -+#define R_IA64_LTV64LSB 0x77 -+#define R_IA64_PCREL21BI 0x79 -+#define R_IA64_PCREL22 0x7a -+#define R_IA64_PCREL64I 0x7b -+#define R_IA64_IPLTMSB 0x80 -+#define R_IA64_IPLTLSB 0x81 -+#define R_IA64_COPY 0x84 -+#define R_IA64_SUB 0x85 -+#define R_IA64_LTOFF22X 0x86 -+#define R_IA64_LDXMOV 0x87 -+#define R_IA64_TPREL14 0x91 -+#define R_IA64_TPREL22 0x92 -+#define R_IA64_TPREL64I 0x93 -+#define R_IA64_TPREL64MSB 0x96 -+#define R_IA64_TPREL64LSB 0x97 -+#define R_IA64_LTOFF_TPREL22 0x9a -+#define R_IA64_DTPMOD64MSB 0xa6 -+#define R_IA64_DTPMOD64LSB 0xa7 -+#define R_IA64_LTOFF_DTPMOD22 0xaa -+#define R_IA64_DTPREL14 0xb1 -+#define R_IA64_DTPREL22 0xb2 -+#define R_IA64_DTPREL64I 0xb3 -+#define R_IA64_DTPREL32MSB 0xb4 -+#define R_IA64_DTPREL32LSB 0xb5 -+#define R_IA64_DTPREL64MSB 0xb6 -+#define R_IA64_DTPREL64LSB 0xb7 -+#define R_IA64_LTOFF_DTPREL22 0xba -+ -+ -+ -+ -+#define R_SH_NONE 0 -+#define R_SH_DIR32 1 -+#define R_SH_REL32 2 -+#define R_SH_DIR8WPN 3 -+#define R_SH_IND12W 4 -+#define R_SH_DIR8WPL 5 -+#define R_SH_DIR8WPZ 6 -+#define R_SH_DIR8BP 7 -+#define R_SH_DIR8W 8 -+#define R_SH_DIR8L 9 -+#define R_SH_SWITCH16 25 -+#define R_SH_SWITCH32 26 -+#define R_SH_USES 27 -+#define R_SH_COUNT 28 -+#define R_SH_ALIGN 29 -+#define R_SH_CODE 30 -+#define R_SH_DATA 31 -+#define R_SH_LABEL 32 -+#define R_SH_SWITCH8 33 -+#define R_SH_GNU_VTINHERIT 34 -+#define R_SH_GNU_VTENTRY 35 -+#define R_SH_TLS_GD_32 144 -+#define R_SH_TLS_LD_32 145 -+#define R_SH_TLS_LDO_32 146 -+#define R_SH_TLS_IE_32 147 -+#define R_SH_TLS_LE_32 148 -+#define R_SH_TLS_DTPMOD32 149 -+#define R_SH_TLS_DTPOFF32 150 -+#define R_SH_TLS_TPOFF32 151 -+#define R_SH_GOT32 160 -+#define R_SH_PLT32 161 -+#define R_SH_COPY 162 -+#define R_SH_GLOB_DAT 163 -+#define R_SH_JMP_SLOT 164 -+#define R_SH_RELATIVE 165 -+#define R_SH_GOTOFF 166 -+#define R_SH_GOTPC 167 -+ -+#define R_SH_NUM 256 -+ -+ -+ -+#define R_390_NONE 0 -+#define R_390_8 1 -+#define R_390_12 2 -+#define R_390_16 3 -+#define R_390_32 4 -+#define R_390_PC32 5 -+#define R_390_GOT12 6 -+#define R_390_GOT32 7 -+#define R_390_PLT32 8 -+#define R_390_COPY 9 -+#define R_390_GLOB_DAT 10 -+#define R_390_JMP_SLOT 11 -+#define R_390_RELATIVE 12 -+#define R_390_GOTOFF32 13 -+#define R_390_GOTPC 14 -+#define R_390_GOT16 15 -+#define R_390_PC16 16 -+#define R_390_PC16DBL 17 -+#define R_390_PLT16DBL 18 -+#define R_390_PC32DBL 19 -+#define R_390_PLT32DBL 20 -+#define R_390_GOTPCDBL 21 -+#define R_390_64 22 -+#define R_390_PC64 23 -+#define R_390_GOT64 24 -+#define R_390_PLT64 25 -+#define R_390_GOTENT 26 -+#define R_390_GOTOFF16 27 -+#define R_390_GOTOFF64 28 -+#define R_390_GOTPLT12 29 -+#define R_390_GOTPLT16 30 -+#define R_390_GOTPLT32 31 -+#define R_390_GOTPLT64 32 -+#define R_390_GOTPLTENT 33 -+#define R_390_PLTOFF16 34 -+#define R_390_PLTOFF32 35 -+#define R_390_PLTOFF64 36 -+#define R_390_TLS_LOAD 37 -+#define R_390_TLS_GDCALL 38 -+ -+#define R_390_TLS_LDCALL 39 -+ -+#define R_390_TLS_GD32 40 -+ -+#define R_390_TLS_GD64 41 -+ -+#define R_390_TLS_GOTIE12 42 -+ -+#define R_390_TLS_GOTIE32 43 -+ -+#define R_390_TLS_GOTIE64 44 -+ -+#define R_390_TLS_LDM32 45 -+ -+#define R_390_TLS_LDM64 46 -+ -+#define R_390_TLS_IE32 47 -+ -+#define R_390_TLS_IE64 48 -+ -+#define R_390_TLS_IEENT 49 -+ -+#define R_390_TLS_LE32 50 -+ -+#define R_390_TLS_LE64 51 -+ -+#define R_390_TLS_LDO32 52 -+ -+#define R_390_TLS_LDO64 53 -+ -+#define R_390_TLS_DTPMOD 54 -+#define R_390_TLS_DTPOFF 55 -+#define R_390_TLS_TPOFF 56 -+ -+#define R_390_20 57 -+#define R_390_GOT20 58 -+#define R_390_GOTPLT20 59 -+#define R_390_TLS_GOTIE20 60 -+ -+ -+#define R_390_NUM 61 -+ -+ -+ -+#define R_CRIS_NONE 0 -+#define R_CRIS_8 1 -+#define R_CRIS_16 2 -+#define R_CRIS_32 3 -+#define R_CRIS_8_PCREL 4 -+#define R_CRIS_16_PCREL 5 -+#define R_CRIS_32_PCREL 6 -+#define R_CRIS_GNU_VTINHERIT 7 -+#define R_CRIS_GNU_VTENTRY 8 -+#define R_CRIS_COPY 9 -+#define R_CRIS_GLOB_DAT 10 -+#define R_CRIS_JUMP_SLOT 11 -+#define R_CRIS_RELATIVE 12 -+#define R_CRIS_16_GOT 13 -+#define R_CRIS_32_GOT 14 -+#define R_CRIS_16_GOTPLT 15 -+#define R_CRIS_32_GOTPLT 16 -+#define R_CRIS_32_GOTREL 17 -+#define R_CRIS_32_PLT_GOTREL 18 -+#define R_CRIS_32_PLT_PCREL 19 -+ -+#define R_CRIS_NUM 20 -+ -+ -+ -+#define R_X86_64_NONE 0 -+#define R_X86_64_64 1 -+#define R_X86_64_PC32 2 -+#define R_X86_64_GOT32 3 -+#define R_X86_64_PLT32 4 -+#define R_X86_64_COPY 5 -+#define R_X86_64_GLOB_DAT 6 -+#define R_X86_64_JUMP_SLOT 7 -+#define R_X86_64_RELATIVE 8 -+#define R_X86_64_GOTPCREL 9 -+ -+#define R_X86_64_32 10 -+#define R_X86_64_32S 11 -+#define R_X86_64_16 12 -+#define R_X86_64_PC16 13 -+#define R_X86_64_8 14 -+#define R_X86_64_PC8 15 -+#define R_X86_64_DTPMOD64 16 -+#define R_X86_64_DTPOFF64 17 -+#define R_X86_64_TPOFF64 18 -+#define R_X86_64_TLSGD 19 -+ -+#define R_X86_64_TLSLD 20 -+ -+#define R_X86_64_DTPOFF32 21 -+#define R_X86_64_GOTTPOFF 22 -+ -+#define R_X86_64_TPOFF32 23 -+#define R_X86_64_PC64 24 -+#define R_X86_64_GOTOFF64 25 -+#define R_X86_64_GOTPC32 26 -+#define R_X86_64_GOT64 27 -+#define R_X86_64_GOTPCREL64 28 -+#define R_X86_64_GOTPC64 29 -+#define R_X86_64_GOTPLT64 30 -+#define R_X86_64_PLTOFF64 31 -+#define R_X86_64_SIZE32 32 -+#define R_X86_64_SIZE64 33 -+ -+#define R_X86_64_GOTPC32_TLSDESC 34 -+#define R_X86_64_TLSDESC_CALL 35 -+ -+#define R_X86_64_TLSDESC 36 -+#define R_X86_64_IRELATIVE 37 -+#define R_X86_64_RELATIVE64 38 -+#define R_X86_64_NUM 39 -+ -+ -+ -+#define R_MN10300_NONE 0 -+#define R_MN10300_32 1 -+#define R_MN10300_16 2 -+#define R_MN10300_8 3 -+#define R_MN10300_PCREL32 4 -+#define R_MN10300_PCREL16 5 -+#define R_MN10300_PCREL8 6 -+#define R_MN10300_GNU_VTINHERIT 7 -+#define R_MN10300_GNU_VTENTRY 8 -+#define R_MN10300_24 9 -+#define R_MN10300_GOTPC32 10 -+#define R_MN10300_GOTPC16 11 -+#define R_MN10300_GOTOFF32 12 -+#define R_MN10300_GOTOFF24 13 -+#define R_MN10300_GOTOFF16 14 -+#define R_MN10300_PLT32 15 -+#define R_MN10300_PLT16 16 -+#define R_MN10300_GOT32 17 -+#define R_MN10300_GOT24 18 -+#define R_MN10300_GOT16 19 -+#define R_MN10300_COPY 20 -+#define R_MN10300_GLOB_DAT 21 -+#define R_MN10300_JMP_SLOT 22 -+#define R_MN10300_RELATIVE 23 -+ -+#define R_MN10300_NUM 24 -+ -+ -+ -+#define R_M32R_NONE 0 -+#define R_M32R_16 1 -+#define R_M32R_32 2 -+#define R_M32R_24 3 -+#define R_M32R_10_PCREL 4 -+#define R_M32R_18_PCREL 5 -+#define R_M32R_26_PCREL 6 -+#define R_M32R_HI16_ULO 7 -+#define R_M32R_HI16_SLO 8 -+#define R_M32R_LO16 9 -+#define R_M32R_SDA16 10 -+#define R_M32R_GNU_VTINHERIT 11 -+#define R_M32R_GNU_VTENTRY 12 -+ -+#define R_M32R_16_RELA 33 -+#define R_M32R_32_RELA 34 -+#define R_M32R_24_RELA 35 -+#define R_M32R_10_PCREL_RELA 36 -+#define R_M32R_18_PCREL_RELA 37 -+#define R_M32R_26_PCREL_RELA 38 -+#define R_M32R_HI16_ULO_RELA 39 -+#define R_M32R_HI16_SLO_RELA 40 -+#define R_M32R_LO16_RELA 41 -+#define R_M32R_SDA16_RELA 42 -+#define R_M32R_RELA_GNU_VTINHERIT 43 -+#define R_M32R_RELA_GNU_VTENTRY 44 -+#define R_M32R_REL32 45 -+ -+#define R_M32R_GOT24 48 -+#define R_M32R_26_PLTREL 49 -+#define R_M32R_COPY 50 -+#define R_M32R_GLOB_DAT 51 -+#define R_M32R_JMP_SLOT 52 -+#define R_M32R_RELATIVE 53 -+#define R_M32R_GOTOFF 54 -+#define R_M32R_GOTPC24 55 -+#define R_M32R_GOT16_HI_ULO 56 -+ -+#define R_M32R_GOT16_HI_SLO 57 -+ -+#define R_M32R_GOT16_LO 58 -+#define R_M32R_GOTPC_HI_ULO 59 -+ -+#define R_M32R_GOTPC_HI_SLO 60 -+ -+#define R_M32R_GOTPC_LO 61 -+ -+#define R_M32R_GOTOFF_HI_ULO 62 -+ -+#define R_M32R_GOTOFF_HI_SLO 63 -+ -+#define R_M32R_GOTOFF_LO 64 -+#define R_M32R_NUM 256 -+ -+#define R_MICROBLAZE_NONE 0 -+#define R_MICROBLAZE_32 1 -+#define R_MICROBLAZE_32_PCREL 2 -+#define R_MICROBLAZE_64_PCREL 3 -+#define R_MICROBLAZE_32_PCREL_LO 4 -+#define R_MICROBLAZE_64 5 -+#define R_MICROBLAZE_32_LO 6 -+#define R_MICROBLAZE_SRO32 7 -+#define R_MICROBLAZE_SRW32 8 -+#define R_MICROBLAZE_64_NONE 9 -+#define R_MICROBLAZE_32_SYM_OP_SYM 10 -+#define R_MICROBLAZE_GNU_VTINHERIT 11 -+#define R_MICROBLAZE_GNU_VTENTRY 12 -+#define R_MICROBLAZE_GOTPC_64 13 -+#define R_MICROBLAZE_GOT_64 14 -+#define R_MICROBLAZE_PLT_64 15 -+#define R_MICROBLAZE_REL 16 -+#define R_MICROBLAZE_JUMP_SLOT 17 -+#define R_MICROBLAZE_GLOB_DAT 18 -+#define R_MICROBLAZE_GOTOFF_64 19 -+#define R_MICROBLAZE_GOTOFF_32 20 -+#define R_MICROBLAZE_COPY 21 -+#define R_MICROBLAZE_TLS 22 -+#define R_MICROBLAZE_TLSGD 23 -+#define R_MICROBLAZE_TLSLD 24 -+#define R_MICROBLAZE_TLSDTPMOD32 25 -+#define R_MICROBLAZE_TLSDTPREL32 26 -+#define R_MICROBLAZE_TLSDTPREL64 27 -+#define R_MICROBLAZE_TLSGOTTPREL32 28 -+#define R_MICROBLAZE_TLSTPREL32 29 -+ -+#ifdef __cplusplus -+} -+#endif -+ -+ -+#endif diff --git a/target/linux/patches/3.15-rc6/sgidefs.patch b/target/linux/patches/3.15-rc6/sgidefs.patch deleted file mode 100644 index f00a284d9..000000000 --- a/target/linux/patches/3.15-rc6/sgidefs.patch +++ /dev/null @@ -1,18 +0,0 @@ -diff -Nur linux-3.11.5.orig/arch/mips/include/uapi/asm/sgidefs.h linux-3.11.5/arch/mips/include/uapi/asm/sgidefs.h ---- linux-3.11.5.orig/arch/mips/include/uapi/asm/sgidefs.h 2013-10-14 03:14:45.000000000 +0200 -+++ linux-3.11.5/arch/mips/include/uapi/asm/sgidefs.h 2013-11-08 22:01:28.000000000 +0100 -@@ -11,14 +11,6 @@ - #define __ASM_SGIDEFS_H - - /* -- * Using a Linux compiler for building Linux seems logic but not to -- * everybody. -- */ --#ifndef __linux__ --#error Use a Linux compiler or give up. --#endif -- --/* - * Definitions for the ISA levels - * - * With the introduction of MIPS32 / MIPS64 instruction sets definitions diff --git a/target/linux/patches/3.15-rc6/sortext.patch b/target/linux/patches/3.15-rc6/sortext.patch deleted file mode 100644 index 8fd4e1d6b..000000000 --- a/target/linux/patches/3.15-rc6/sortext.patch +++ /dev/null @@ -1,33 +0,0 @@ -diff -Nur linux-3.12.6.orig/arch/arm/Kconfig linux-3.12.6/arch/arm/Kconfig ---- linux-3.12.6.orig/arch/arm/Kconfig 2013-12-20 16:51:33.000000000 +0100 -+++ linux-3.12.6/arch/arm/Kconfig 2013-12-28 19:29:33.000000000 +0100 -@@ -6,7 +6,6 @@ - select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST - select ARCH_HAVE_CUSTOM_GPIO_H - select ARCH_WANT_IPC_PARSE_VERSION -- select BUILDTIME_EXTABLE_SORT if MMU - select CLONE_BACKWARDS - select CPU_PM if (SUSPEND || CPU_IDLE) - select DCACHE_WORD_ACCESS if (CPU_V6 || CPU_V6K || CPU_V7) && !CPU_BIG_ENDIAN && MMU -diff -Nur linux-3.12.6.orig/arch/mips/Kconfig linux-3.12.6/arch/mips/Kconfig ---- linux-3.12.6.orig/arch/mips/Kconfig 2013-12-20 16:51:33.000000000 +0100 -+++ linux-3.12.6/arch/mips/Kconfig 2013-12-28 19:30:06.000000000 +0100 -@@ -35,7 +35,6 @@ - select HAVE_MEMBLOCK_NODE_MAP - select ARCH_DISCARD_MEMBLOCK - select GENERIC_SMP_IDLE_THREAD -- select BUILDTIME_EXTABLE_SORT - select GENERIC_CLOCKEVENTS - select GENERIC_CMOS_UPDATE - select HAVE_MOD_ARCH_SPECIFIC -diff -Nur linux-3.12.6.orig/arch/x86/Kconfig linux-3.12.6/arch/x86/Kconfig ---- linux-3.12.6.orig/arch/x86/Kconfig 2013-12-20 16:51:33.000000000 +0100 -+++ linux-3.12.6/arch/x86/Kconfig 2013-12-28 19:29:50.000000000 +0100 -@@ -100,7 +100,6 @@ - select GENERIC_SMP_IDLE_THREAD - select ARCH_WANT_IPC_PARSE_VERSION if X86_32 - select HAVE_ARCH_SECCOMP_FILTER -- select BUILDTIME_EXTABLE_SORT - select GENERIC_CMOS_UPDATE - select HAVE_ARCH_SOFT_DIRTY - select CLOCKSOURCE_WATCHDOG diff --git a/target/linux/patches/3.15-rc6/startup.patch b/target/linux/patches/3.15-rc6/startup.patch deleted file mode 100644 index d396b75e4..000000000 --- a/target/linux/patches/3.15-rc6/startup.patch +++ /dev/null @@ -1,37 +0,0 @@ -diff -Nur linux-3.13.3.orig/init/main.c linux-3.13.3/init/main.c ---- linux-3.13.3.orig/init/main.c 2014-02-13 23:00:14.000000000 +0100 -+++ linux-3.13.3/init/main.c 2014-02-17 11:35:14.000000000 +0100 -@@ -916,6 +917,8 @@ - if (sys_open((const char __user *) "/dev/console", O_RDWR, 0) < 0) - pr_err("Warning: unable to open an initial console.\n"); - -+ printk(KERN_WARNING "Starting Linux (built with OpenADK).\n"); -+ - (void) sys_dup(0); - (void) sys_dup(0); - /* -diff -Nur linux-3.13.6.orig/init/initramfs.c linux-3.13.6/init/initramfs.c ---- linux-3.13.6.orig/init/initramfs.c 2014-03-07 07:07:02.000000000 +0100 -+++ linux-3.13.6/init/initramfs.c 2014-03-15 12:11:31.882731916 +0100 -@@ -622,6 +622,9 @@ - */ - load_default_modules(); - } -+#ifdef CONFIG_DEVTMPFS_MOUNT -+ devtmpfs_mount("dev"); -+#endif - return 0; - } - rootfs_initcall(populate_rootfs); -diff -Nur linux-3.13.6.orig/init/main.c linux-3.13.6/init/main.c ---- linux-3.13.6.orig/init/main.c 2014-03-07 07:07:02.000000000 +0100 -+++ linux-3.13.6/init/main.c 2014-03-15 12:13:16.459024452 +0100 -@@ -924,7 +924,7 @@ - */ - - if (!ramdisk_execute_command) -- ramdisk_execute_command = "/init"; -+ ramdisk_execute_command = "/sbin/init"; - - if (sys_access((const char __user *) ramdisk_execute_command, 0) != 0) { - ramdisk_execute_command = NULL; diff --git a/target/linux/patches/3.15-rc6/uuid.patch b/target/linux/patches/3.15-rc6/uuid.patch deleted file mode 100644 index e8d523074..000000000 --- a/target/linux/patches/3.15-rc6/uuid.patch +++ /dev/null @@ -1,263 +0,0 @@ -diff -Nur linux-3.14.1.orig/block/genhd.c linux-3.14.1/block/genhd.c ---- linux-3.14.1.orig/block/genhd.c 2014-04-14 15:50:10.000000000 +0200 -+++ linux-3.14.1/block/genhd.c 2014-04-24 09:50:05.281309701 +0200 -@@ -34,7 +34,7 @@ - static DEFINE_MUTEX(ext_devt_mutex); - static DEFINE_IDR(ext_devt_idr); - --static struct device_type disk_type; -+struct device_type disk_type; - - static void disk_check_events(struct disk_events *ev, - unsigned int *clearing_ptr); -@@ -1121,7 +1121,7 @@ - return NULL; - } - --static struct device_type disk_type = { -+struct device_type disk_type = { - .name = "disk", - .groups = disk_attr_groups, - .release = disk_release, -diff -Nur linux-3.14.1.orig/init/do_mounts.c linux-3.14.1/init/do_mounts.c ---- linux-3.14.1.orig/init/do_mounts.c 2014-04-14 15:50:10.000000000 +0200 -+++ linux-3.14.1/init/do_mounts.c 2014-04-24 10:17:54.043200973 +0200 -@@ -33,6 +33,7 @@ - #include - #include - -+#include "../fs/ext2/ext2.h" - #include "do_mounts.h" - - int __initdata rd_doload; /* 1 = load RAM disk, 0 = don't load */ -@@ -44,6 +45,132 @@ - - dev_t ROOT_DEV; - -+#ifdef CONFIG_EXT2_FS -+/* support for root=UUID=ce40d6b2-18eb-4a75-aefe-7ddb0995ce63 bootargs */ -+ -+#include -+ -+__u8 root_dev_uuid[16]; -+int root_dev_type; /* 0 = normal (/dev/hda1, 0301); 1 = UUID; 3 = bad */ -+ -+/* imported from block/genhd.c after removing its static qualifier */ -+extern struct device_type disk_type; -+ -+/* helper function */ -+static __u8 __init fromhex(char c) -+{ -+ if (c >= '0' && c <= '9') -+ return (c - '0'); -+ c &= ~32; -+ if (c >= 'A' && c <= 'F') -+ return (c - 'A' + 10); -+ return (0xFF); -+} -+ -+static void __init parse_uuid(const char *s) -+{ -+ int i; -+ __u8 j, k; -+ -+ if (strlen(s) != 36 || s[8] != '-' || s[13] != '-' || -+ s[18] != '-' || s[23] != '-') -+ goto bad_uuid; -+ for (i = 0; i < 16; i++) { -+ if (*s == '-') -+ ++s; -+ j = fromhex(*s++); -+ k = fromhex(*s++); -+ if (j == 0xFF || k == 0xFF) -+ goto bad_uuid; -+ root_dev_uuid[i] = (j << 4) | k; -+ } -+ return; -+ bad_uuid: -+ /* we cannot panic here, defer */ -+ root_dev_type = 3; -+} -+ -+/* from drivers/md/md.c */ -+static void __init initcode_bi_complete(struct bio *bio, int error) -+{ -+ complete((struct completion*)bio->bi_private); -+} -+ -+static int __init initcode_sync_page_read(struct block_device *bdev, -+ sector_t sector, int size, struct page *page) -+{ -+ struct bio *bio = bio_alloc(GFP_NOIO, 1); -+ struct completion event; -+ int ret, rw = READ; -+ -+ rw |= REQ_SYNC; -+ -+ bio->bi_bdev = bdev; -+ bio->bi_iter.bi_sector = sector; -+ bio_add_page(bio, page, size, 0); -+ init_completion(&event); -+ bio->bi_private = &event; -+ bio->bi_end_io = initcode_bi_complete; -+ submit_bio(rw, bio); -+ wait_for_completion(&event); -+ -+ ret = test_bit(BIO_UPTODATE, &bio->bi_flags); -+ bio_put(bio); -+ /* 0 = failure */ -+ return ret; -+} -+ -+/* most of this taken from fs/ext2/super.c */ -+static int __init check_dev(struct gendisk *thedisk, dev_t devt, -+ int blocksize, struct page *page) -+{ -+ struct ext2_super_block * es; -+ struct block_device *bdev; -+ unsigned long sb_block = 1; -+ unsigned long logic_sb_block; -+ unsigned long offset = 0; -+ int rv = /* not found */ 0; -+ char bff[22]; -+ -+ bdev = bdget(devt); -+ if (blkdev_get(bdev, FMODE_READ, NULL)) { -+ printk(KERN_ERR "VFS: opening block device %s failed!\n", -+ format_dev_t(bff, devt)); -+ return (0); -+ } -+ -+ if (blocksize != BLOCK_SIZE) { -+ logic_sb_block = (sb_block*BLOCK_SIZE) / blocksize; -+ offset = (sb_block*BLOCK_SIZE) % blocksize; -+ } else { -+ logic_sb_block = sb_block; -+ } -+ -+// printk(KERN_ERR "D: attempting to read %d @%lu from " -+// "bdev %p devt %08X %s\n", blocksize, logic_sb_block, -+// bdev, devt, format_dev_t(bff, devt)); -+ if (!initcode_sync_page_read(bdev, logic_sb_block, blocksize, page)) { -+// printk(KERN_ERR "D: failed!\n"); -+ goto out; -+ } -+ es = (struct ext2_super_block *)(((char *)page_address(page)) + offset); -+ if (le16_to_cpu(es->s_magic) == EXT2_SUPER_MAGIC) { -+// printk(KERN_ERR "D: has uuid " -+// "%02X%02X%02X%02X-%02X%02X-%02X%02X-%02X%02X-%02X%02X%02X%02X%02X%02X\n", -+// es->s_uuid[0], es->s_uuid[1], es->s_uuid[2], es->s_uuid[3], -+// es->s_uuid[4], es->s_uuid[5], es->s_uuid[6], es->s_uuid[7], -+// es->s_uuid[8], es->s_uuid[9], es->s_uuid[10], es->s_uuid[11], -+// es->s_uuid[12], es->s_uuid[13], es->s_uuid[14], es->s_uuid[15]); -+ if (!memcmp(es->s_uuid, root_dev_uuid, 16)) -+ rv = /* found */ 1; -+ } -+// else printk(KERN_ERR "D: bad ext2fs magic\n"); -+ out: -+ blkdev_put(bdev, FMODE_READ); -+ return (rv); -+} -+#endif /* CONFIG_EXT2_FS for UUID support */ -+ - static int __init load_ramdisk(char *str) - { - rd_doload = simple_strtol(str,NULL,0) & 3; -@@ -289,6 +416,13 @@ - static int __init root_dev_setup(char *line) - { - strlcpy(saved_root_name, line, sizeof(saved_root_name)); -+#ifdef CONFIG_EXT2_FS -+ root_dev_type = 0; -+ if (!strncmp(line, "UUID=", 5)) { -+ root_dev_type = 1; -+ parse_uuid(line + 5); -+ } -+#endif /* CONFIG_EXT2_FS for UUID support */ - return 1; - } - -@@ -505,6 +639,83 @@ - - void __init mount_root(void) - { -+#ifdef CONFIG_EXT2_FS -+ /* UUID support */ -+// printk_all_partitions(); -+ if (root_dev_type == 1) { -+ int blocksize; -+ -+ /* from block/genhd.c printk_all_partitions */ -+ struct class_dev_iter iter; -+ struct device *dev; -+ -+ /* from drivers/md/md.c */ -+ struct page *sb_page; -+ -+ if (!(sb_page = alloc_page(GFP_KERNEL))) { -+ printk(KERN_ERR "VFS: no memory for bio page\n"); -+ goto nomemforbio; -+ } -+ -+// printk(KERN_ERR "D: root is: " -+// "%02X%02X%02X%02X-%02X%02X-%02X%02X-%02X%02X-%02X%02X%02X%02X%02X%02X\n", -+// root_dev_uuid[0], root_dev_uuid[1], root_dev_uuid[2], root_dev_uuid[3], -+// root_dev_uuid[4], root_dev_uuid[5], root_dev_uuid[6], root_dev_uuid[7], -+// root_dev_uuid[8], root_dev_uuid[9], root_dev_uuid[10], root_dev_uuid[11], -+// root_dev_uuid[12], root_dev_uuid[13], root_dev_uuid[14], root_dev_uuid[15]); -+ /* from block/genhd.c printk_all_partitions */ -+// printk(KERN_ERR "D: begin iter\n"); -+ class_dev_iter_init(&iter, &block_class, NULL, &disk_type); -+ while (root_dev_type && (dev = class_dev_iter_next(&iter))) { -+// char bff[22]; -+ struct gendisk *disk = dev_to_disk(dev); -+ struct disk_part_iter piter; -+ struct hd_struct *part; -+ if (get_capacity(disk) == 0 || -+ (disk->flags & GENHD_FL_SUPPRESS_PARTITION_INFO)) { -+// printk(KERN_ERR "D: ignoring\n"); -+ continue; -+ } -+ blocksize = queue_logical_block_size(disk->queue); -+// printk(KERN_ERR "D: gendisk, blocksize %d " -+// "name '%s' devt %08X %s #part %d\n", blocksize, -+// disk->disk_name, dev->devt, -+// format_dev_t(bff, dev->devt), -+// disk_max_parts(disk)); -+ disk_part_iter_init(&piter, disk, DISK_PITER_INCL_PART0); -+ while (root_dev_type && (part = disk_part_iter_next(&piter))) { -+ /* avoid empty or too small partitions */ -+// printk(KERN_ERR "D: part #%d start %llu " -+// "nr %llu\n", part->partno, -+// (__u64)part->start_sect, -+// (__u64)part->nr_sects); -+ if (part->nr_sects < 8) -+ continue; -+ if (check_dev(disk, MKDEV(MAJOR(dev->devt), -+ MINOR(dev->devt) + part->partno), -+ blocksize, sb_page)) { -+ ROOT_DEV = part_devt(part); -+// printk(KERN_ERR "D: got match!\n"); -+ // comment out below for debugging -+ root_dev_type = 0; -+ } -+ } -+ disk_part_iter_exit(&piter); -+ } -+// printk(KERN_ERR "D: end iter\n"); -+ class_dev_iter_exit(&iter); -+ put_page(sb_page); -+ } -+ nomemforbio: -+ if (root_dev_type == 1) -+ printk(KERN_ERR "VFS: Unable to find root by UUID %s.\n", -+ saved_root_name + 5); -+ else if (root_dev_type == 3) -+ /* execute deferred panic from parse_uuid */ -+ panic("Badly formatted UUID %s was supplied as kernel " -+ "parameter root", saved_root_name + 5); -+#endif /* CONFIG_EXT2_FS for UUID support */ -+ - #ifdef CONFIG_ROOT_NFS - if (ROOT_DEV == Root_NFS) { - if (mount_nfs_root()) diff --git a/target/linux/patches/3.15-rc6/wlan-cf.patch b/target/linux/patches/3.15-rc6/wlan-cf.patch deleted file mode 100644 index fc20759e2..000000000 --- a/target/linux/patches/3.15-rc6/wlan-cf.patch +++ /dev/null @@ -1,11 +0,0 @@ -diff -Nur linux-2.6.39.orig/drivers/net/wireless/hostap/hostap_cs.c linux-2.6.39/drivers/net/wireless/hostap/hostap_cs.c ---- linux-2.6.39.orig/drivers/net/wireless/hostap/hostap_cs.c 2011-05-19 06:06:34.000000000 +0200 -+++ linux-2.6.39/drivers/net/wireless/hostap/hostap_cs.c 2011-09-12 02:46:26.987984145 +0200 -@@ -623,6 +623,7 @@ - static struct pcmcia_device_id hostap_cs_ids[] = { - PCMCIA_DEVICE_MANF_CARD(0x000b, 0x7100), - PCMCIA_DEVICE_MANF_CARD(0x000b, 0x7300), -+ PCMCIA_DEVICE_MANF_CARD(0x0004, 0x2003), - PCMCIA_DEVICE_MANF_CARD(0x0101, 0x0777), - PCMCIA_DEVICE_MANF_CARD(0x0126, 0x8000), - PCMCIA_DEVICE_MANF_CARD(0x0138, 0x0002), diff --git a/target/linux/patches/3.15-rc6/xargs.patch b/target/linux/patches/3.15-rc6/xargs.patch deleted file mode 100644 index 2c7b3df59..000000000 --- a/target/linux/patches/3.15-rc6/xargs.patch +++ /dev/null @@ -1,12 +0,0 @@ -diff -Nur linux-3.12.6.orig/scripts/Makefile.modpost linux-3.12.6/scripts/Makefile.modpost ---- linux-3.12.6.orig/scripts/Makefile.modpost 2013-12-20 16:51:33.000000000 +0100 -+++ linux-3.12.6/scripts/Makefile.modpost 2014-01-25 14:55:33.000000000 +0100 -@@ -60,7 +60,7 @@ - modulesymfile := $(firstword $(KBUILD_EXTMOD))/Module.symvers - - # Step 1), find all modules listed in $(MODVERDIR)/ --MODLISTCMD := find $(MODVERDIR) -name '*.mod' | xargs -r grep -h '\.ko$$' | sort -u -+MODLISTCMD := find $(MODVERDIR) -name '*.mod' | xargs grep -h '\.ko$$' | sort -u - __modules := $(shell $(MODLISTCMD)) - modules := $(patsubst %.o,%.ko, $(wildcard $(__modules:.ko=.o))) - diff --git a/target/linux/patches/3.15-rc6/yaffs2.patch b/target/linux/patches/3.15-rc6/yaffs2.patch deleted file mode 100644 index bb244c7ca..000000000 --- a/target/linux/patches/3.15-rc6/yaffs2.patch +++ /dev/null @@ -1,16551 +0,0 @@ -diff -Nur linux-3.15-rc5.orig/fs/Kconfig linux-3.15-rc5/fs/Kconfig ---- linux-3.15-rc5.orig/fs/Kconfig 2014-05-09 22:10:52.000000000 +0200 -+++ linux-3.15-rc5/fs/Kconfig 2014-05-17 01:53:17.000000000 +0200 -@@ -190,6 +190,7 @@ - source "fs/befs/Kconfig" - source "fs/bfs/Kconfig" - source "fs/efs/Kconfig" -+source "fs/yaffs2/Kconfig" - source "fs/jffs2/Kconfig" - # UBIFS File system configuration - source "fs/ubifs/Kconfig" -diff -Nur linux-3.15-rc5.orig/fs/Makefile linux-3.15-rc5/fs/Makefile ---- linux-3.15-rc5.orig/fs/Makefile 2014-05-09 22:10:52.000000000 +0200 -+++ linux-3.15-rc5/fs/Makefile 2014-05-17 01:53:25.000000000 +0200 -@@ -126,3 +126,4 @@ - obj-$(CONFIG_CEPH_FS) += ceph/ - obj-$(CONFIG_PSTORE) += pstore/ - obj-$(CONFIG_EFIVAR_FS) += efivarfs/ -+obj-$(CONFIG_YAFFS_FS) += yaffs2/ -diff -Nur linux-3.15-rc5.orig/fs/yaffs2/Kconfig linux-3.15-rc5/fs/yaffs2/Kconfig ---- linux-3.15-rc5.orig/fs/yaffs2/Kconfig 1970-01-01 01:00:00.000000000 +0100 -+++ linux-3.15-rc5/fs/yaffs2/Kconfig 2014-05-17 01:53:27.000000000 +0200 -@@ -0,0 +1,171 @@ -+# -+# yaffs file system configurations -+# -+ -+config YAFFS_FS -+ tristate "yaffs2 file system support" -+ default n -+ depends on MTD_BLOCK -+ select YAFFS_YAFFS1 -+ select YAFFS_YAFFS2 -+ help -+ yaffs2, or Yet Another Flash File System, is a file system -+ optimised for NAND Flash chips. -+ -+ To compile the yaffs2 file system support as a module, choose M -+ here: the module will be called yaffs2. -+ -+ If unsure, say N. -+ -+ Further information on yaffs2 is available at -+ . -+ -+config YAFFS_YAFFS1 -+ bool "512 byte / page devices" -+ depends on YAFFS_FS -+ default y -+ help -+ Enable yaffs1 support -- yaffs for 512 byte / page devices -+ -+ Not needed for 2K-page devices. -+ -+ If unsure, say Y. -+ -+config YAFFS_9BYTE_TAGS -+ bool "Use older-style on-NAND data format with pageStatus byte" -+ depends on YAFFS_YAFFS1 -+ default n -+ help -+ -+ Older-style on-NAND data format has a "pageStatus" byte to record -+ chunk/page state. This byte is zero when the page is discarded. -+ Choose this option if you have existing on-NAND data using this -+ format that you need to continue to support. New data written -+ also uses the older-style format. Note: Use of this option -+ generally requires that MTD's oob layout be adjusted to use the -+ older-style format. See notes on tags formats and MTD versions -+ in yaffs_mtdif1.c. -+ -+ If unsure, say N. -+ -+config YAFFS_DOES_ECC -+ bool "Lets yaffs do its own ECC" -+ depends on YAFFS_FS && YAFFS_YAFFS1 && !YAFFS_9BYTE_TAGS -+ default n -+ help -+ This enables yaffs to use its own ECC functions instead of using -+ the ones from the generic MTD-NAND driver. -+ -+ If unsure, say N. -+ -+config YAFFS_ECC_WRONG_ORDER -+ bool "Use the same ecc byte order as Steven Hill's nand_ecc.c" -+ depends on YAFFS_FS && YAFFS_DOES_ECC && !YAFFS_9BYTE_TAGS -+ default n -+ help -+ This makes yaffs_ecc.c use the same ecc byte order as Steven -+ Hill's nand_ecc.c. If not set, then you get the same ecc byte -+ order as SmartMedia. -+ -+ If unsure, say N. -+ -+config YAFFS_YAFFS2 -+ bool "2048 byte (or larger) / page devices" -+ depends on YAFFS_FS -+ default y -+ help -+ Enable yaffs2 support -- yaffs for >= 2K bytes per page devices -+ -+ If unsure, say Y. -+ -+config YAFFS_AUTO_YAFFS2 -+ bool "Autoselect yaffs2 format" -+ depends on YAFFS_YAFFS2 -+ default y -+ help -+ Without this, you need to explicitely use yaffs2 as the file -+ system type. With this, you can say "yaffs" and yaffs or yaffs2 -+ will be used depending on the device page size (yaffs on -+ 512-byte page devices, yaffs2 on 2K page devices). -+ -+ If unsure, say Y. -+ -+config YAFFS_DISABLE_TAGS_ECC -+ bool "Disable yaffs from doing ECC on tags by default" -+ depends on YAFFS_FS && YAFFS_YAFFS2 -+ default n -+ help -+ This defaults yaffs to using its own ECC calculations on tags instead of -+ just relying on the MTD. -+ This behavior can also be overridden with tags_ecc_on and -+ tags_ecc_off mount options. -+ -+ If unsure, say N. -+ -+config YAFFS_ALWAYS_CHECK_CHUNK_ERASED -+ bool "Force chunk erase check" -+ depends on YAFFS_FS -+ default n -+ help -+ Normally yaffs only checks chunks before writing until an erased -+ chunk is found. This helps to detect any partially written -+ chunks that might have happened due to power loss. -+ -+ Enabling this forces on the test that chunks are erased in flash -+ before writing to them. This takes more time but is potentially -+ a bit more secure. -+ -+ Suggest setting Y during development and ironing out driver -+ issues etc. Suggest setting to N if you want faster writing. -+ -+ If unsure, say Y. -+ -+config YAFFS_EMPTY_LOST_AND_FOUND -+ bool "Empty lost and found on boot" -+ depends on YAFFS_FS -+ default n -+ help -+ If this is enabled then the contents of lost and found is -+ automatically dumped at mount. -+ -+ If unsure, say N. -+ -+config YAFFS_DISABLE_BLOCK_REFRESHING -+ bool "Disable yaffs2 block refreshing" -+ depends on YAFFS_FS -+ default n -+ help -+ If this is set, then block refreshing is disabled. -+ Block refreshing infrequently refreshes the oldest block in -+ a yaffs2 file system. This mechanism helps to refresh flash to -+ mitigate against data loss. This is particularly useful for MLC. -+ -+ If unsure, say N. -+ -+config YAFFS_DISABLE_BACKGROUND -+ bool "Disable yaffs2 background processing" -+ depends on YAFFS_FS -+ default n -+ help -+ If this is set, then background processing is disabled. -+ Background processing makes many foreground activities faster. -+ -+ If unsure, say N. -+ -+config YAFFS_DISABLE_BAD_BLOCK_MARKING -+ bool "Disable yaffs2 bad block marking" -+ depends on YAFFS_FS -+ default n -+ help -+ Useful during early flash bring up to prevent problems causing -+ lots of bad block marking. -+ -+ If unsure, say N. -+ -+config YAFFS_XATTR -+ bool "Enable yaffs2 xattr support" -+ depends on YAFFS_FS -+ default y -+ help -+ If this is set then yaffs2 will provide xattr support. -+ If unsure, say Y. -diff -Nur linux-3.15-rc5.orig/fs/yaffs2/Makefile linux-3.15-rc5/fs/yaffs2/Makefile ---- linux-3.15-rc5.orig/fs/yaffs2/Makefile 1970-01-01 01:00:00.000000000 +0100 -+++ linux-3.15-rc5/fs/yaffs2/Makefile 2014-05-17 01:53:27.000000000 +0200 -@@ -0,0 +1,18 @@ -+# -+# Makefile for the linux YAFFS filesystem routines. -+# -+ -+obj-$(CONFIG_YAFFS_FS) += yaffs.o -+ -+yaffs-y := yaffs_ecc.o yaffs_vfs.o yaffs_guts.o yaffs_checkptrw.o -+yaffs-y += yaffs_packedtags1.o yaffs_packedtags2.o yaffs_nand.o -+yaffs-y += yaffs_tagscompat.o yaffs_tagsmarshall.o -+yaffs-y += yaffs_mtdif.o -+yaffs-y += yaffs_nameval.o yaffs_attribs.o -+yaffs-y += yaffs_allocator.o -+yaffs-y += yaffs_yaffs1.o -+yaffs-y += yaffs_yaffs2.o -+yaffs-y += yaffs_bitmap.o -+yaffs-y += yaffs_summary.o -+yaffs-y += yaffs_verify.o -+ -diff -Nur linux-3.15-rc5.orig/fs/yaffs2/yaffs_allocator.c linux-3.15-rc5/fs/yaffs2/yaffs_allocator.c ---- linux-3.15-rc5.orig/fs/yaffs2/yaffs_allocator.c 1970-01-01 01:00:00.000000000 +0100 -+++ linux-3.15-rc5/fs/yaffs2/yaffs_allocator.c 2014-05-17 01:53:27.000000000 +0200 -@@ -0,0 +1,357 @@ -+/* -+ * YAFFS: Yet Another Flash File System. A NAND-flash specific file system. -+ * -+ * Copyright (C) 2002-2011 Aleph One Ltd. -+ * for Toby Churchill Ltd and Brightstar Engineering -+ * -+ * Created by Charles Manning -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+#include "yaffs_allocator.h" -+#include "yaffs_guts.h" -+#include "yaffs_trace.h" -+#include "yportenv.h" -+ -+/* -+ * Each entry in yaffs_tnode_list and yaffs_obj_list hold blocks -+ * of approx 100 objects that are themn allocated singly. -+ * This is basically a simplified slab allocator. -+ * -+ * We don't use the Linux slab allocator because slab does not allow -+ * us to dump all the objects in one hit when we do a umount and tear -+ * down all the tnodes and objects. slab requires that we first free -+ * the individual objects. -+ * -+ * Once yaffs has been mainlined I shall try to motivate for a change -+ * to slab to provide the extra features we need here. -+ */ -+ -+struct yaffs_tnode_list { -+ struct yaffs_tnode_list *next; -+ struct yaffs_tnode *tnodes; -+}; -+ -+struct yaffs_obj_list { -+ struct yaffs_obj_list *next; -+ struct yaffs_obj *objects; -+}; -+ -+struct yaffs_allocator { -+ int n_tnodes_created; -+ struct yaffs_tnode *free_tnodes; -+ int n_free_tnodes; -+ struct yaffs_tnode_list *alloc_tnode_list; -+ -+ int n_obj_created; -+ struct list_head free_objs; -+ int n_free_objects; -+ -+ struct yaffs_obj_list *allocated_obj_list; -+}; -+ -+static void yaffs_deinit_raw_tnodes(struct yaffs_dev *dev) -+{ -+ struct yaffs_allocator *allocator = -+ (struct yaffs_allocator *)dev->allocator; -+ struct yaffs_tnode_list *tmp; -+ -+ if (!allocator) { -+ BUG(); -+ return; -+ } -+ -+ while (allocator->alloc_tnode_list) { -+ tmp = allocator->alloc_tnode_list->next; -+ -+ kfree(allocator->alloc_tnode_list->tnodes); -+ kfree(allocator->alloc_tnode_list); -+ allocator->alloc_tnode_list = tmp; -+ } -+ -+ allocator->free_tnodes = NULL; -+ allocator->n_free_tnodes = 0; -+ allocator->n_tnodes_created = 0; -+} -+ -+static void yaffs_init_raw_tnodes(struct yaffs_dev *dev) -+{ -+ struct yaffs_allocator *allocator = dev->allocator; -+ -+ if (!allocator) { -+ BUG(); -+ return; -+ } -+ -+ allocator->alloc_tnode_list = NULL; -+ allocator->free_tnodes = NULL; -+ allocator->n_free_tnodes = 0; -+ allocator->n_tnodes_created = 0; -+} -+ -+static int yaffs_create_tnodes(struct yaffs_dev *dev, int n_tnodes) -+{ -+ struct yaffs_allocator *allocator = -+ (struct yaffs_allocator *)dev->allocator; -+ int i; -+ struct yaffs_tnode *new_tnodes; -+ u8 *mem; -+ struct yaffs_tnode *curr; -+ struct yaffs_tnode *next; -+ struct yaffs_tnode_list *tnl; -+ -+ if (!allocator) { -+ BUG(); -+ return YAFFS_FAIL; -+ } -+ -+ if (n_tnodes < 1) -+ return YAFFS_OK; -+ -+ /* make these things */ -+ new_tnodes = kmalloc(n_tnodes * dev->tnode_size, GFP_NOFS); -+ mem = (u8 *) new_tnodes; -+ -+ if (!new_tnodes) { -+ yaffs_trace(YAFFS_TRACE_ERROR, -+ "yaffs: Could not allocate Tnodes"); -+ return YAFFS_FAIL; -+ } -+ -+ /* New hookup for wide tnodes */ -+ for (i = 0; i < n_tnodes - 1; i++) { -+ curr = (struct yaffs_tnode *)&mem[i * dev->tnode_size]; -+ next = (struct yaffs_tnode *)&mem[(i + 1) * dev->tnode_size]; -+ curr->internal[0] = next; -+ } -+ -+ curr = (struct yaffs_tnode *)&mem[(n_tnodes - 1) * dev->tnode_size]; -+ curr->internal[0] = allocator->free_tnodes; -+ allocator->free_tnodes = (struct yaffs_tnode *)mem; -+ -+ allocator->n_free_tnodes += n_tnodes; -+ allocator->n_tnodes_created += n_tnodes; -+ -+ /* Now add this bunch of tnodes to a list for freeing up. -+ * NB If we can't add this to the management list it isn't fatal -+ * but it just means we can't free this bunch of tnodes later. -+ */ -+ tnl = kmalloc(sizeof(struct yaffs_tnode_list), GFP_NOFS); -+ if (!tnl) { -+ yaffs_trace(YAFFS_TRACE_ERROR, -+ "Could not add tnodes to management list"); -+ return YAFFS_FAIL; -+ } else { -+ tnl->tnodes = new_tnodes; -+ tnl->next = allocator->alloc_tnode_list; -+ allocator->alloc_tnode_list = tnl; -+ } -+ -+ yaffs_trace(YAFFS_TRACE_ALLOCATE, "Tnodes added"); -+ -+ return YAFFS_OK; -+} -+ -+struct yaffs_tnode *yaffs_alloc_raw_tnode(struct yaffs_dev *dev) -+{ -+ struct yaffs_allocator *allocator = -+ (struct yaffs_allocator *)dev->allocator; -+ struct yaffs_tnode *tn = NULL; -+ -+ if (!allocator) { -+ BUG(); -+ return NULL; -+ } -+ -+ /* If there are none left make more */ -+ if (!allocator->free_tnodes) -+ yaffs_create_tnodes(dev, YAFFS_ALLOCATION_NTNODES); -+ -+ if (allocator->free_tnodes) { -+ tn = allocator->free_tnodes; -+ allocator->free_tnodes = allocator->free_tnodes->internal[0]; -+ allocator->n_free_tnodes--; -+ } -+ -+ return tn; -+} -+ -+/* FreeTnode frees up a tnode and puts it back on the free list */ -+void yaffs_free_raw_tnode(struct yaffs_dev *dev, struct yaffs_tnode *tn) -+{ -+ struct yaffs_allocator *allocator = dev->allocator; -+ -+ if (!allocator) { -+ BUG(); -+ return; -+ } -+ -+ if (tn) { -+ tn->internal[0] = allocator->free_tnodes; -+ allocator->free_tnodes = tn; -+ allocator->n_free_tnodes++; -+ } -+ dev->checkpoint_blocks_required = 0; /* force recalculation */ -+} -+ -+/*--------------- yaffs_obj alloaction ------------------------ -+ * -+ * Free yaffs_objs are stored in a list using obj->siblings. -+ * The blocks of allocated objects are stored in a linked list. -+ */ -+ -+static void yaffs_init_raw_objs(struct yaffs_dev *dev) -+{ -+ struct yaffs_allocator *allocator = dev->allocator; -+ -+ if (!allocator) { -+ BUG(); -+ return; -+ } -+ -+ allocator->allocated_obj_list = NULL; -+ INIT_LIST_HEAD(&allocator->free_objs); -+ allocator->n_free_objects = 0; -+} -+ -+static void yaffs_deinit_raw_objs(struct yaffs_dev *dev) -+{ -+ struct yaffs_allocator *allocator = dev->allocator; -+ struct yaffs_obj_list *tmp; -+ -+ if (!allocator) { -+ BUG(); -+ return; -+ } -+ -+ while (allocator->allocated_obj_list) { -+ tmp = allocator->allocated_obj_list->next; -+ kfree(allocator->allocated_obj_list->objects); -+ kfree(allocator->allocated_obj_list); -+ allocator->allocated_obj_list = tmp; -+ } -+ -+ INIT_LIST_HEAD(&allocator->free_objs); -+ allocator->n_free_objects = 0; -+ allocator->n_obj_created = 0; -+} -+ -+static int yaffs_create_free_objs(struct yaffs_dev *dev, int n_obj) -+{ -+ struct yaffs_allocator *allocator = dev->allocator; -+ int i; -+ struct yaffs_obj *new_objs; -+ struct yaffs_obj_list *list; -+ -+ if (!allocator) { -+ BUG(); -+ return YAFFS_FAIL; -+ } -+ -+ if (n_obj < 1) -+ return YAFFS_OK; -+ -+ /* make these things */ -+ new_objs = kmalloc(n_obj * sizeof(struct yaffs_obj), GFP_NOFS); -+ list = kmalloc(sizeof(struct yaffs_obj_list), GFP_NOFS); -+ -+ if (!new_objs || !list) { -+ kfree(new_objs); -+ new_objs = NULL; -+ kfree(list); -+ list = NULL; -+ yaffs_trace(YAFFS_TRACE_ALLOCATE, -+ "Could not allocate more objects"); -+ return YAFFS_FAIL; -+ } -+ -+ /* Hook them into the free list */ -+ for (i = 0; i < n_obj; i++) -+ list_add(&new_objs[i].siblings, &allocator->free_objs); -+ -+ allocator->n_free_objects += n_obj; -+ allocator->n_obj_created += n_obj; -+ -+ /* Now add this bunch of Objects to a list for freeing up. */ -+ -+ list->objects = new_objs; -+ list->next = allocator->allocated_obj_list; -+ allocator->allocated_obj_list = list; -+ -+ return YAFFS_OK; -+} -+ -+struct yaffs_obj *yaffs_alloc_raw_obj(struct yaffs_dev *dev) -+{ -+ struct yaffs_obj *obj = NULL; -+ struct list_head *lh; -+ struct yaffs_allocator *allocator = dev->allocator; -+ -+ if (!allocator) { -+ BUG(); -+ return obj; -+ } -+ -+ /* If there are none left make more */ -+ if (list_empty(&allocator->free_objs)) -+ yaffs_create_free_objs(dev, YAFFS_ALLOCATION_NOBJECTS); -+ -+ if (!list_empty(&allocator->free_objs)) { -+ lh = allocator->free_objs.next; -+ obj = list_entry(lh, struct yaffs_obj, siblings); -+ list_del_init(lh); -+ allocator->n_free_objects--; -+ } -+ -+ return obj; -+} -+ -+void yaffs_free_raw_obj(struct yaffs_dev *dev, struct yaffs_obj *obj) -+{ -+ -+ struct yaffs_allocator *allocator = dev->allocator; -+ -+ if (!allocator) { -+ BUG(); -+ return; -+ } -+ -+ /* Link into the free list. */ -+ list_add(&obj->siblings, &allocator->free_objs); -+ allocator->n_free_objects++; -+} -+ -+void yaffs_deinit_raw_tnodes_and_objs(struct yaffs_dev *dev) -+{ -+ -+ if (!dev->allocator) { -+ BUG(); -+ return; -+ } -+ -+ yaffs_deinit_raw_tnodes(dev); -+ yaffs_deinit_raw_objs(dev); -+ kfree(dev->allocator); -+ dev->allocator = NULL; -+} -+ -+void yaffs_init_raw_tnodes_and_objs(struct yaffs_dev *dev) -+{ -+ struct yaffs_allocator *allocator; -+ -+ if (dev->allocator) { -+ BUG(); -+ return; -+ } -+ -+ allocator = kmalloc(sizeof(struct yaffs_allocator), GFP_NOFS); -+ if (allocator) { -+ dev->allocator = allocator; -+ yaffs_init_raw_tnodes(dev); -+ yaffs_init_raw_objs(dev); -+ } -+} -+ -diff -Nur linux-3.15-rc5.orig/fs/yaffs2/yaffs_allocator.h linux-3.15-rc5/fs/yaffs2/yaffs_allocator.h ---- linux-3.15-rc5.orig/fs/yaffs2/yaffs_allocator.h 1970-01-01 01:00:00.000000000 +0100 -+++ linux-3.15-rc5/fs/yaffs2/yaffs_allocator.h 2014-05-17 01:53:27.000000000 +0200 -@@ -0,0 +1,30 @@ -+/* -+ * YAFFS: Yet another Flash File System . A NAND-flash specific file system. -+ * -+ * Copyright (C) 2002-2011 Aleph One Ltd. -+ * for Toby Churchill Ltd and Brightstar Engineering -+ * -+ * Created by Charles Manning -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU Lesser General Public License version 2.1 as -+ * published by the Free Software Foundation. -+ * -+ * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL. -+ */ -+ -+#ifndef __YAFFS_ALLOCATOR_H__ -+#define __YAFFS_ALLOCATOR_H__ -+ -+#include "yaffs_guts.h" -+ -+void yaffs_init_raw_tnodes_and_objs(struct yaffs_dev *dev); -+void yaffs_deinit_raw_tnodes_and_objs(struct yaffs_dev *dev); -+ -+struct yaffs_tnode *yaffs_alloc_raw_tnode(struct yaffs_dev *dev); -+void yaffs_free_raw_tnode(struct yaffs_dev *dev, struct yaffs_tnode *tn); -+ -+struct yaffs_obj *yaffs_alloc_raw_obj(struct yaffs_dev *dev); -+void yaffs_free_raw_obj(struct yaffs_dev *dev, struct yaffs_obj *obj); -+ -+#endif -diff -Nur linux-3.15-rc5.orig/fs/yaffs2/yaffs_attribs.c linux-3.15-rc5/fs/yaffs2/yaffs_attribs.c ---- linux-3.15-rc5.orig/fs/yaffs2/yaffs_attribs.c 1970-01-01 01:00:00.000000000 +0100 -+++ linux-3.15-rc5/fs/yaffs2/yaffs_attribs.c 2014-05-17 01:53:27.000000000 +0200 -@@ -0,0 +1,166 @@ -+/* -+ * YAFFS: Yet Another Flash File System. A NAND-flash specific file system. -+ * -+ * Copyright (C) 2002-2011 Aleph One Ltd. -+ * for Toby Churchill Ltd and Brightstar Engineering -+ * -+ * Created by Charles Manning -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+#include "yaffs_guts.h" -+#include "yaffs_attribs.h" -+ -+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 5, 0)) -+static inline uid_t ia_uid_read(const struct iattr *iattr) -+{ -+ return from_kuid(&init_user_ns, iattr->ia_uid); -+} -+ -+static inline gid_t ia_gid_read(const struct iattr *iattr) -+{ -+ return from_kgid(&init_user_ns, iattr->ia_gid); -+} -+ -+static inline void ia_uid_write(struct iattr *iattr, uid_t uid) -+{ -+ iattr->ia_uid = make_kuid(&init_user_ns, uid); -+} -+ -+static inline void ia_gid_write(struct iattr *iattr, gid_t gid) -+{ -+ iattr->ia_gid = make_kgid(&init_user_ns, gid); -+} -+#else -+static inline uid_t ia_uid_read(const struct iattr *iattr) -+{ -+ return iattr->ia_uid; -+} -+ -+static inline gid_t ia_gid_read(const struct iattr *inode) -+{ -+ return iattr->ia_gid; -+} -+ -+static inline void ia_uid_write(struct iattr *iattr, uid_t uid) -+{ -+ iattr->ia_uid = uid; -+} -+ -+static inline void ia_gid_write(struct iattr *iattr, gid_t gid) -+{ -+ iattr->ia_gid = gid; -+} -+#endif -+ -+void yaffs_load_attribs(struct yaffs_obj *obj, struct yaffs_obj_hdr *oh) -+{ -+ obj->yst_uid = oh->yst_uid; -+ obj->yst_gid = oh->yst_gid; -+ obj->yst_atime = oh->yst_atime; -+ obj->yst_mtime = oh->yst_mtime; -+ obj->yst_ctime = oh->yst_ctime; -+ obj->yst_rdev = oh->yst_rdev; -+} -+ -+void yaffs_load_attribs_oh(struct yaffs_obj_hdr *oh, struct yaffs_obj *obj) -+{ -+ oh->yst_uid = obj->yst_uid; -+ oh->yst_gid = obj->yst_gid; -+ oh->yst_atime = obj->yst_atime; -+ oh->yst_mtime = obj->yst_mtime; -+ oh->yst_ctime = obj->yst_ctime; -+ oh->yst_rdev = obj->yst_rdev; -+ -+} -+ -+void yaffs_load_current_time(struct yaffs_obj *obj, int do_a, int do_c) -+{ -+ obj->yst_mtime = Y_CURRENT_TIME; -+ if (do_a) -+ obj->yst_atime = obj->yst_mtime; -+ if (do_c) -+ obj->yst_ctime = obj->yst_mtime; -+} -+ -+void yaffs_attribs_init(struct yaffs_obj *obj, u32 gid, u32 uid, u32 rdev) -+{ -+ yaffs_load_current_time(obj, 1, 1); -+ obj->yst_rdev = rdev; -+ obj->yst_uid = uid; -+ obj->yst_gid = gid; -+} -+ -+static loff_t yaffs_get_file_size(struct yaffs_obj *obj) -+{ -+ YCHAR *alias = NULL; -+ obj = yaffs_get_equivalent_obj(obj); -+ -+ switch (obj->variant_type) { -+ case YAFFS_OBJECT_TYPE_FILE: -+ return obj->variant.file_variant.file_size; -+ case YAFFS_OBJECT_TYPE_SYMLINK: -+ alias = obj->variant.symlink_variant.alias; -+ if (!alias) -+ return 0; -+ return strnlen(alias, YAFFS_MAX_ALIAS_LENGTH); -+ default: -+ return 0; -+ } -+} -+ -+int yaffs_set_attribs(struct yaffs_obj *obj, struct iattr *attr) -+{ -+ unsigned int valid = attr->ia_valid; -+ -+ if (valid & ATTR_MODE) -+ obj->yst_mode = attr->ia_mode; -+ if (valid & ATTR_UID) -+ obj->yst_uid = ia_uid_read(attr); -+ if (valid & ATTR_GID) -+ obj->yst_gid = ia_gid_read(attr); -+ -+ if (valid & ATTR_ATIME) -+ obj->yst_atime = Y_TIME_CONVERT(attr->ia_atime); -+ if (valid & ATTR_CTIME) -+ obj->yst_ctime = Y_TIME_CONVERT(attr->ia_ctime); -+ if (valid & ATTR_MTIME) -+ obj->yst_mtime = Y_TIME_CONVERT(attr->ia_mtime); -+ -+ if (valid & ATTR_SIZE) -+ yaffs_resize_file(obj, attr->ia_size); -+ -+ yaffs_update_oh(obj, NULL, 1, 0, 0, NULL); -+ -+ return YAFFS_OK; -+ -+} -+ -+int yaffs_get_attribs(struct yaffs_obj *obj, struct iattr *attr) -+{ -+ unsigned int valid = 0; -+ -+ attr->ia_mode = obj->yst_mode; -+ valid |= ATTR_MODE; -+ ia_uid_write(attr, obj->yst_uid); -+ valid |= ATTR_UID; -+ ia_gid_write(attr, obj->yst_gid); -+ valid |= ATTR_GID; -+ -+ Y_TIME_CONVERT(attr->ia_atime) = obj->yst_atime; -+ valid |= ATTR_ATIME; -+ Y_TIME_CONVERT(attr->ia_ctime) = obj->yst_ctime; -+ valid |= ATTR_CTIME; -+ Y_TIME_CONVERT(attr->ia_mtime) = obj->yst_mtime; -+ valid |= ATTR_MTIME; -+ -+ attr->ia_size = yaffs_get_file_size(obj); -+ valid |= ATTR_SIZE; -+ -+ attr->ia_valid = valid; -+ -+ return YAFFS_OK; -+} -diff -Nur linux-3.15-rc5.orig/fs/yaffs2/yaffs_attribs.h linux-3.15-rc5/fs/yaffs2/yaffs_attribs.h ---- linux-3.15-rc5.orig/fs/yaffs2/yaffs_attribs.h 1970-01-01 01:00:00.000000000 +0100 -+++ linux-3.15-rc5/fs/yaffs2/yaffs_attribs.h 2014-05-17 01:53:27.000000000 +0200 -@@ -0,0 +1,28 @@ -+/* -+ * YAFFS: Yet another Flash File System . A NAND-flash specific file system. -+ * -+ * Copyright (C) 2002-2011 Aleph One Ltd. -+ * for Toby Churchill Ltd and Brightstar Engineering -+ * -+ * Created by Charles Manning -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU Lesser General Public License version 2.1 as -+ * published by the Free Software Foundation. -+ * -+ * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL. -+ */ -+ -+#ifndef __YAFFS_ATTRIBS_H__ -+#define __YAFFS_ATTRIBS_H__ -+ -+#include "yaffs_guts.h" -+ -+void yaffs_load_attribs(struct yaffs_obj *obj, struct yaffs_obj_hdr *oh); -+void yaffs_load_attribs_oh(struct yaffs_obj_hdr *oh, struct yaffs_obj *obj); -+void yaffs_attribs_init(struct yaffs_obj *obj, u32 gid, u32 uid, u32 rdev); -+void yaffs_load_current_time(struct yaffs_obj *obj, int do_a, int do_c); -+int yaffs_set_attribs(struct yaffs_obj *obj, struct iattr *attr); -+int yaffs_get_attribs(struct yaffs_obj *obj, struct iattr *attr); -+ -+#endif -diff -Nur linux-3.15-rc5.orig/fs/yaffs2/yaffs_bitmap.c linux-3.15-rc5/fs/yaffs2/yaffs_bitmap.c ---- linux-3.15-rc5.orig/fs/yaffs2/yaffs_bitmap.c 1970-01-01 01:00:00.000000000 +0100 -+++ linux-3.15-rc5/fs/yaffs2/yaffs_bitmap.c 2014-05-17 01:53:27.000000000 +0200 -@@ -0,0 +1,97 @@ -+/* -+ * YAFFS: Yet Another Flash File System. A NAND-flash specific file system. -+ * -+ * Copyright (C) 2002-2011 Aleph One Ltd. -+ * for Toby Churchill Ltd and Brightstar Engineering -+ * -+ * Created by Charles Manning -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+#include "yaffs_bitmap.h" -+#include "yaffs_trace.h" -+/* -+ * Chunk bitmap manipulations -+ */ -+ -+static inline u8 *yaffs_block_bits(struct yaffs_dev *dev, int blk) -+{ -+ if (blk < dev->internal_start_block || blk > dev->internal_end_block) { -+ yaffs_trace(YAFFS_TRACE_ERROR, -+ "BlockBits block %d is not valid", -+ blk); -+ BUG(); -+ } -+ return dev->chunk_bits + -+ (dev->chunk_bit_stride * (blk - dev->internal_start_block)); -+} -+ -+void yaffs_verify_chunk_bit_id(struct yaffs_dev *dev, int blk, int chunk) -+{ -+ if (blk < dev->internal_start_block || blk > dev->internal_end_block || -+ chunk < 0 || chunk >= dev->param.chunks_per_block) { -+ yaffs_trace(YAFFS_TRACE_ERROR, -+ "Chunk Id (%d:%d) invalid", -+ blk, chunk); -+ BUG(); -+ } -+} -+ -+void yaffs_clear_chunk_bits(struct yaffs_dev *dev, int blk) -+{ -+ u8 *blk_bits = yaffs_block_bits(dev, blk); -+ -+ memset(blk_bits, 0, dev->chunk_bit_stride); -+} -+ -+void yaffs_clear_chunk_bit(struct yaffs_dev *dev, int blk, int chunk) -+{ -+ u8 *blk_bits = yaffs_block_bits(dev, blk); -+ -+ yaffs_verify_chunk_bit_id(dev, blk, chunk); -+ blk_bits[chunk / 8] &= ~(1 << (chunk & 7)); -+} -+ -+void yaffs_set_chunk_bit(struct yaffs_dev *dev, int blk, int chunk) -+{ -+ u8 *blk_bits = yaffs_block_bits(dev, blk); -+ -+ yaffs_verify_chunk_bit_id(dev, blk, chunk); -+ blk_bits[chunk / 8] |= (1 << (chunk & 7)); -+} -+ -+int yaffs_check_chunk_bit(struct yaffs_dev *dev, int blk, int chunk) -+{ -+ u8 *blk_bits = yaffs_block_bits(dev, blk); -+ -+ yaffs_verify_chunk_bit_id(dev, blk, chunk); -+ return (blk_bits[chunk / 8] & (1 << (chunk & 7))) ? 1 : 0; -+} -+ -+int yaffs_still_some_chunks(struct yaffs_dev *dev, int blk) -+{ -+ u8 *blk_bits = yaffs_block_bits(dev, blk); -+ int i; -+ -+ for (i = 0; i < dev->chunk_bit_stride; i++) { -+ if (*blk_bits) -+ return 1; -+ blk_bits++; -+ } -+ return 0; -+} -+ -+int yaffs_count_chunk_bits(struct yaffs_dev *dev, int blk) -+{ -+ u8 *blk_bits = yaffs_block_bits(dev, blk); -+ int i; -+ int n = 0; -+ -+ for (i = 0; i < dev->chunk_bit_stride; i++, blk_bits++) -+ n += hweight8(*blk_bits); -+ -+ return n; -+} -diff -Nur linux-3.15-rc5.orig/fs/yaffs2/yaffs_bitmap.h linux-3.15-rc5/fs/yaffs2/yaffs_bitmap.h ---- linux-3.15-rc5.orig/fs/yaffs2/yaffs_bitmap.h 1970-01-01 01:00:00.000000000 +0100 -+++ linux-3.15-rc5/fs/yaffs2/yaffs_bitmap.h 2014-05-17 01:53:27.000000000 +0200 -@@ -0,0 +1,33 @@ -+/* -+ * YAFFS: Yet another Flash File System . A NAND-flash specific file system. -+ * -+ * Copyright (C) 2002-2011 Aleph One Ltd. -+ * for Toby Churchill Ltd and Brightstar Engineering -+ * -+ * Created by Charles Manning -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU Lesser General Public License version 2.1 as -+ * published by the Free Software Foundation. -+ * -+ * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL. -+ */ -+ -+/* -+ * Chunk bitmap manipulations -+ */ -+ -+#ifndef __YAFFS_BITMAP_H__ -+#define __YAFFS_BITMAP_H__ -+ -+#include "yaffs_guts.h" -+ -+void yaffs_verify_chunk_bit_id(struct yaffs_dev *dev, int blk, int chunk); -+void yaffs_clear_chunk_bits(struct yaffs_dev *dev, int blk); -+void yaffs_clear_chunk_bit(struct yaffs_dev *dev, int blk, int chunk); -+void yaffs_set_chunk_bit(struct yaffs_dev *dev, int blk, int chunk); -+int yaffs_check_chunk_bit(struct yaffs_dev *dev, int blk, int chunk); -+int yaffs_still_some_chunks(struct yaffs_dev *dev, int blk); -+int yaffs_count_chunk_bits(struct yaffs_dev *dev, int blk); -+ -+#endif -diff -Nur linux-3.15-rc5.orig/fs/yaffs2/yaffs_checkptrw.c linux-3.15-rc5/fs/yaffs2/yaffs_checkptrw.c ---- linux-3.15-rc5.orig/fs/yaffs2/yaffs_checkptrw.c 1970-01-01 01:00:00.000000000 +0100 -+++ linux-3.15-rc5/fs/yaffs2/yaffs_checkptrw.c 2014-05-17 01:53:27.000000000 +0200 -@@ -0,0 +1,474 @@ -+/* -+ * YAFFS: Yet Another Flash File System. A NAND-flash specific file system. -+ * -+ * Copyright (C) 2002-2011 Aleph One Ltd. -+ * for Toby Churchill Ltd and Brightstar Engineering -+ * -+ * Created by Charles Manning -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+#include "yaffs_checkptrw.h" -+#include "yaffs_getblockinfo.h" -+ -+struct yaffs_checkpt_chunk_hdr { -+ int version; -+ int seq; -+ u32 sum; -+ u32 xor; -+} ; -+ -+ -+static int apply_chunk_offset(struct yaffs_dev *dev, int chunk) -+{ -+ return chunk - dev->chunk_offset; -+} -+ -+static int apply_block_offset(struct yaffs_dev *dev, int block) -+{ -+ return block - dev->block_offset; -+} -+ -+static void yaffs2_checkpt_init_chunk_hdr(struct yaffs_dev *dev) -+{ -+ struct yaffs_checkpt_chunk_hdr hdr; -+ -+ hdr.version = YAFFS_CHECKPOINT_VERSION; -+ hdr.seq = dev->checkpt_page_seq; -+ hdr.sum = dev->checkpt_sum; -+ hdr.xor = dev->checkpt_xor; -+ -+ dev->checkpt_byte_offs = sizeof(hdr); -+ -+ memcpy(dev->checkpt_buffer, &hdr, sizeof(hdr)); -+} -+ -+static int yaffs2_checkpt_check_chunk_hdr(struct yaffs_dev *dev) -+{ -+ struct yaffs_checkpt_chunk_hdr hdr; -+ -+ memcpy(&hdr, dev->checkpt_buffer, sizeof(hdr)); -+ -+ dev->checkpt_byte_offs = sizeof(hdr); -+ -+ return hdr.version == YAFFS_CHECKPOINT_VERSION && -+ hdr.seq == dev->checkpt_page_seq && -+ hdr.sum == dev->checkpt_sum && -+ hdr.xor == dev->checkpt_xor; -+} -+ -+static int yaffs2_checkpt_space_ok(struct yaffs_dev *dev) -+{ -+ int blocks_avail = dev->n_erased_blocks - dev->param.n_reserved_blocks; -+ -+ yaffs_trace(YAFFS_TRACE_CHECKPOINT, -+ "checkpt blocks_avail = %d", blocks_avail); -+ -+ return (blocks_avail <= 0) ? 0 : 1; -+} -+ -+static int yaffs_checkpt_erase(struct yaffs_dev *dev) -+{ -+ int i; -+ -+ if (!dev->drv.drv_erase_fn) -+ return 0; -+ yaffs_trace(YAFFS_TRACE_CHECKPOINT, -+ "checking blocks %d to %d", -+ dev->internal_start_block, dev->internal_end_block); -+ -+ for (i = dev->internal_start_block; i <= dev->internal_end_block; i++) { -+ struct yaffs_block_info *bi = yaffs_get_block_info(dev, i); -+ int offset_i = apply_block_offset(dev, i); -+ int result; -+ -+ if (bi->block_state == YAFFS_BLOCK_STATE_CHECKPOINT) { -+ yaffs_trace(YAFFS_TRACE_CHECKPOINT, -+ "erasing checkpt block %d", i); -+ -+ dev->n_erasures++; -+ -+ result = dev->drv.drv_erase_fn(dev, offset_i); -+ if(result) { -+ bi->block_state = YAFFS_BLOCK_STATE_EMPTY; -+ dev->n_erased_blocks++; -+ dev->n_free_chunks += -+ dev->param.chunks_per_block; -+ } else { -+ dev->drv.drv_mark_bad_fn(dev, offset_i); -+ bi->block_state = YAFFS_BLOCK_STATE_DEAD; -+ } -+ } -+ } -+ -+ dev->blocks_in_checkpt = 0; -+ -+ return 1; -+} -+ -+static void yaffs2_checkpt_find_erased_block(struct yaffs_dev *dev) -+{ -+ int i; -+ int blocks_avail = dev->n_erased_blocks - dev->param.n_reserved_blocks; -+ -+ yaffs_trace(YAFFS_TRACE_CHECKPOINT, -+ "allocating checkpt block: erased %d reserved %d avail %d next %d ", -+ dev->n_erased_blocks, dev->param.n_reserved_blocks, -+ blocks_avail, dev->checkpt_next_block); -+ -+ if (dev->checkpt_next_block >= 0 && -+ dev->checkpt_next_block <= dev->internal_end_block && -+ blocks_avail > 0) { -+ -+ for (i = dev->checkpt_next_block; i <= dev->internal_end_block; -+ i++) { -+ struct yaffs_block_info *bi; -+ -+ bi = yaffs_get_block_info(dev, i); -+ if (bi->block_state == YAFFS_BLOCK_STATE_EMPTY) { -+ dev->checkpt_next_block = i + 1; -+ dev->checkpt_cur_block = i; -+ yaffs_trace(YAFFS_TRACE_CHECKPOINT, -+ "allocating checkpt block %d", i); -+ return; -+ } -+ } -+ } -+ yaffs_trace(YAFFS_TRACE_CHECKPOINT, "out of checkpt blocks"); -+ -+ dev->checkpt_next_block = -1; -+ dev->checkpt_cur_block = -1; -+} -+ -+static void yaffs2_checkpt_find_block(struct yaffs_dev *dev) -+{ -+ int i; -+ struct yaffs_ext_tags tags; -+ -+ yaffs_trace(YAFFS_TRACE_CHECKPOINT, -+ "find next checkpt block: start: blocks %d next %d", -+ dev->blocks_in_checkpt, dev->checkpt_next_block); -+ -+ if (dev->blocks_in_checkpt < dev->checkpt_max_blocks) -+ for (i = dev->checkpt_next_block; i <= dev->internal_end_block; -+ i++) { -+ int chunk = i * dev->param.chunks_per_block; -+ enum yaffs_block_state state; -+ u32 seq; -+ -+ dev->tagger.read_chunk_tags_fn(dev, -+ apply_chunk_offset(dev, chunk), -+ NULL, &tags); -+ yaffs_trace(YAFFS_TRACE_CHECKPOINT, -+ "find next checkpt block: search: block %d state %d oid %d seq %d eccr %d", -+ i, (int) state, -+ tags.obj_id, tags.seq_number, -+ tags.ecc_result); -+ -+ if (tags.seq_number != YAFFS_SEQUENCE_CHECKPOINT_DATA) -+ continue; -+ -+ dev->tagger.query_block_fn(dev, -+ apply_block_offset(dev, i), -+ &state, &seq); -+ if (state == YAFFS_BLOCK_STATE_DEAD) -+ continue; -+ -+ /* Right kind of block */ -+ dev->checkpt_next_block = tags.obj_id; -+ dev->checkpt_cur_block = i; -+ dev->checkpt_block_list[dev->blocks_in_checkpt] = i; -+ dev->blocks_in_checkpt++; -+ yaffs_trace(YAFFS_TRACE_CHECKPOINT, -+ "found checkpt block %d", i); -+ return; -+ } -+ -+ yaffs_trace(YAFFS_TRACE_CHECKPOINT, "found no more checkpt blocks"); -+ -+ dev->checkpt_next_block = -1; -+ dev->checkpt_cur_block = -1; -+} -+ -+int yaffs2_checkpt_open(struct yaffs_dev *dev, int writing) -+{ -+ int i; -+ -+ dev->checkpt_open_write = writing; -+ -+ /* Got the functions we need? */ -+ if (!dev->tagger.write_chunk_tags_fn || -+ !dev->tagger.read_chunk_tags_fn || -+ !dev->drv.drv_erase_fn || -+ !dev->drv.drv_mark_bad_fn) -+ return 0; -+ -+ if (writing && !yaffs2_checkpt_space_ok(dev)) -+ return 0; -+ -+ if (!dev->checkpt_buffer) -+ dev->checkpt_buffer = -+ kmalloc(dev->param.total_bytes_per_chunk, GFP_NOFS); -+ if (!dev->checkpt_buffer) -+ return 0; -+ -+ dev->checkpt_page_seq = 0; -+ dev->checkpt_byte_count = 0; -+ dev->checkpt_sum = 0; -+ dev->checkpt_xor = 0; -+ dev->checkpt_cur_block = -1; -+ dev->checkpt_cur_chunk = -1; -+ dev->checkpt_next_block = dev->internal_start_block; -+ -+ if (writing) { -+ memset(dev->checkpt_buffer, 0, dev->data_bytes_per_chunk); -+ yaffs2_checkpt_init_chunk_hdr(dev); -+ return yaffs_checkpt_erase(dev); -+ } -+ -+ /* Opening for a read */ -+ /* Set to a value that will kick off a read */ -+ dev->checkpt_byte_offs = dev->data_bytes_per_chunk; -+ /* A checkpoint block list of 1 checkpoint block per 16 block is -+ * (hopefully) going to be way more than we need */ -+ dev->blocks_in_checkpt = 0; -+ dev->checkpt_max_blocks = -+ (dev->internal_end_block - dev->internal_start_block) / 16 + 2; -+ dev->checkpt_block_list = -+ kmalloc(sizeof(int) * dev->checkpt_max_blocks, GFP_NOFS); -+ -+ if (!dev->checkpt_block_list) -+ return 0; -+ -+ for (i = 0; i < dev->checkpt_max_blocks; i++) -+ dev->checkpt_block_list[i] = -1; -+ -+ return 1; -+} -+ -+int yaffs2_get_checkpt_sum(struct yaffs_dev *dev, u32 * sum) -+{ -+ u32 composite_sum; -+ -+ composite_sum = (dev->checkpt_sum << 8) | (dev->checkpt_xor & 0xff); -+ *sum = composite_sum; -+ return 1; -+} -+ -+static int yaffs2_checkpt_flush_buffer(struct yaffs_dev *dev) -+{ -+ int chunk; -+ int offset_chunk; -+ struct yaffs_ext_tags tags; -+ -+ if (dev->checkpt_cur_block < 0) { -+ yaffs2_checkpt_find_erased_block(dev); -+ dev->checkpt_cur_chunk = 0; -+ } -+ -+ if (dev->checkpt_cur_block < 0) -+ return 0; -+ -+ tags.is_deleted = 0; -+ tags.obj_id = dev->checkpt_next_block; /* Hint to next place to look */ -+ tags.chunk_id = dev->checkpt_page_seq + 1; -+ tags.seq_number = YAFFS_SEQUENCE_CHECKPOINT_DATA; -+ tags.n_bytes = dev->data_bytes_per_chunk; -+ if (dev->checkpt_cur_chunk == 0) { -+ /* First chunk we write for the block? Set block state to -+ checkpoint */ -+ struct yaffs_block_info *bi = -+ yaffs_get_block_info(dev, dev->checkpt_cur_block); -+ bi->block_state = YAFFS_BLOCK_STATE_CHECKPOINT; -+ dev->blocks_in_checkpt++; -+ } -+ -+ chunk = -+ dev->checkpt_cur_block * dev->param.chunks_per_block + -+ dev->checkpt_cur_chunk; -+ -+ yaffs_trace(YAFFS_TRACE_CHECKPOINT, -+ "checkpoint wite buffer nand %d(%d:%d) objid %d chId %d", -+ chunk, dev->checkpt_cur_block, dev->checkpt_cur_chunk, -+ tags.obj_id, tags.chunk_id); -+ -+ offset_chunk = apply_chunk_offset(dev, chunk); -+ -+ dev->n_page_writes++; -+ -+ dev->tagger.write_chunk_tags_fn(dev, offset_chunk, -+ dev->checkpt_buffer, &tags); -+ dev->checkpt_page_seq++; -+ dev->checkpt_cur_chunk++; -+ if (dev->checkpt_cur_chunk >= dev->param.chunks_per_block) { -+ dev->checkpt_cur_chunk = 0; -+ dev->checkpt_cur_block = -1; -+ } -+ memset(dev->checkpt_buffer, 0, dev->data_bytes_per_chunk); -+ -+ yaffs2_checkpt_init_chunk_hdr(dev); -+ -+ -+ return 1; -+} -+ -+int yaffs2_checkpt_wr(struct yaffs_dev *dev, const void *data, int n_bytes) -+{ -+ int i = 0; -+ int ok = 1; -+ u8 *data_bytes = (u8 *) data; -+ -+ if (!dev->checkpt_buffer) -+ return 0; -+ -+ if (!dev->checkpt_open_write) -+ return -1; -+ -+ while (i < n_bytes && ok) { -+ dev->checkpt_buffer[dev->checkpt_byte_offs] = *data_bytes; -+ dev->checkpt_sum += *data_bytes; -+ dev->checkpt_xor ^= *data_bytes; -+ -+ dev->checkpt_byte_offs++; -+ i++; -+ data_bytes++; -+ dev->checkpt_byte_count++; -+ -+ if (dev->checkpt_byte_offs < 0 || -+ dev->checkpt_byte_offs >= dev->data_bytes_per_chunk) -+ ok = yaffs2_checkpt_flush_buffer(dev); -+ } -+ -+ return i; -+} -+ -+int yaffs2_checkpt_rd(struct yaffs_dev *dev, void *data, int n_bytes) -+{ -+ int i = 0; -+ int ok = 1; -+ struct yaffs_ext_tags tags; -+ int chunk; -+ int offset_chunk; -+ u8 *data_bytes = (u8 *) data; -+ -+ if (!dev->checkpt_buffer) -+ return 0; -+ -+ if (dev->checkpt_open_write) -+ return -1; -+ -+ while (i < n_bytes && ok) { -+ -+ if (dev->checkpt_byte_offs < 0 || -+ dev->checkpt_byte_offs >= dev->data_bytes_per_chunk) { -+ -+ if (dev->checkpt_cur_block < 0) { -+ yaffs2_checkpt_find_block(dev); -+ dev->checkpt_cur_chunk = 0; -+ } -+ -+ if (dev->checkpt_cur_block < 0) { -+ ok = 0; -+ break; -+ } -+ -+ chunk = dev->checkpt_cur_block * -+ dev->param.chunks_per_block + -+ dev->checkpt_cur_chunk; -+ -+ offset_chunk = apply_chunk_offset(dev, chunk); -+ dev->n_page_reads++; -+ -+ /* read in the next chunk */ -+ dev->tagger.read_chunk_tags_fn(dev, -+ offset_chunk, -+ dev->checkpt_buffer, -+ &tags); -+ -+ if (tags.chunk_id != (dev->checkpt_page_seq + 1) || -+ tags.ecc_result > YAFFS_ECC_RESULT_FIXED || -+ tags.seq_number != YAFFS_SEQUENCE_CHECKPOINT_DATA) { -+ ok = 0; -+ break; -+ } -+ if(!yaffs2_checkpt_check_chunk_hdr(dev)) { -+ ok = 0; -+ break; -+ } -+ -+ dev->checkpt_page_seq++; -+ dev->checkpt_cur_chunk++; -+ -+ if (dev->checkpt_cur_chunk >= -+ dev->param.chunks_per_block) -+ dev->checkpt_cur_block = -1; -+ -+ } -+ -+ *data_bytes = dev->checkpt_buffer[dev->checkpt_byte_offs]; -+ dev->checkpt_sum += *data_bytes; -+ dev->checkpt_xor ^= *data_bytes; -+ dev->checkpt_byte_offs++; -+ i++; -+ data_bytes++; -+ dev->checkpt_byte_count++; -+ } -+ -+ return i; -+} -+ -+int yaffs_checkpt_close(struct yaffs_dev *dev) -+{ -+ int i; -+ -+ if (dev->checkpt_open_write) { -+ if (dev->checkpt_byte_offs != -+ sizeof(sizeof(struct yaffs_checkpt_chunk_hdr))) -+ yaffs2_checkpt_flush_buffer(dev); -+ } else if (dev->checkpt_block_list) { -+ for (i = 0; -+ i < dev->blocks_in_checkpt && -+ dev->checkpt_block_list[i] >= 0; i++) { -+ int blk = dev->checkpt_block_list[i]; -+ struct yaffs_block_info *bi = NULL; -+ -+ if (dev->internal_start_block <= blk && -+ blk <= dev->internal_end_block) -+ bi = yaffs_get_block_info(dev, blk); -+ if (bi && bi->block_state == YAFFS_BLOCK_STATE_EMPTY) -+ bi->block_state = YAFFS_BLOCK_STATE_CHECKPOINT; -+ } -+ kfree(dev->checkpt_block_list); -+ dev->checkpt_block_list = NULL; -+ } -+ -+ dev->n_free_chunks -= -+ dev->blocks_in_checkpt * dev->param.chunks_per_block; -+ dev->n_erased_blocks -= dev->blocks_in_checkpt; -+ -+ yaffs_trace(YAFFS_TRACE_CHECKPOINT, "checkpoint byte count %d", -+ dev->checkpt_byte_count); -+ -+ if (dev->checkpt_buffer) { -+ /* free the buffer */ -+ kfree(dev->checkpt_buffer); -+ dev->checkpt_buffer = NULL; -+ return 1; -+ } else { -+ return 0; -+ } -+} -+ -+int yaffs2_checkpt_invalidate_stream(struct yaffs_dev *dev) -+{ -+ /* Erase the checkpoint data */ -+ -+ yaffs_trace(YAFFS_TRACE_CHECKPOINT, -+ "checkpoint invalidate of %d blocks", -+ dev->blocks_in_checkpt); -+ -+ return yaffs_checkpt_erase(dev); -+} -diff -Nur linux-3.15-rc5.orig/fs/yaffs2/yaffs_checkptrw.h linux-3.15-rc5/fs/yaffs2/yaffs_checkptrw.h ---- linux-3.15-rc5.orig/fs/yaffs2/yaffs_checkptrw.h 1970-01-01 01:00:00.000000000 +0100 -+++ linux-3.15-rc5/fs/yaffs2/yaffs_checkptrw.h 2014-05-17 01:53:27.000000000 +0200 -@@ -0,0 +1,33 @@ -+/* -+ * YAFFS: Yet another Flash File System . A NAND-flash specific file system. -+ * -+ * Copyright (C) 2002-2011 Aleph One Ltd. -+ * for Toby Churchill Ltd and Brightstar Engineering -+ * -+ * Created by Charles Manning -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU Lesser General Public License version 2.1 as -+ * published by the Free Software Foundation. -+ * -+ * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL. -+ */ -+ -+#ifndef __YAFFS_CHECKPTRW_H__ -+#define __YAFFS_CHECKPTRW_H__ -+ -+#include "yaffs_guts.h" -+ -+int yaffs2_checkpt_open(struct yaffs_dev *dev, int writing); -+ -+int yaffs2_checkpt_wr(struct yaffs_dev *dev, const void *data, int n_bytes); -+ -+int yaffs2_checkpt_rd(struct yaffs_dev *dev, void *data, int n_bytes); -+ -+int yaffs2_get_checkpt_sum(struct yaffs_dev *dev, u32 * sum); -+ -+int yaffs_checkpt_close(struct yaffs_dev *dev); -+ -+int yaffs2_checkpt_invalidate_stream(struct yaffs_dev *dev); -+ -+#endif -diff -Nur linux-3.15-rc5.orig/fs/yaffs2/yaffs_ecc.c linux-3.15-rc5/fs/yaffs2/yaffs_ecc.c ---- linux-3.15-rc5.orig/fs/yaffs2/yaffs_ecc.c 1970-01-01 01:00:00.000000000 +0100 -+++ linux-3.15-rc5/fs/yaffs2/yaffs_ecc.c 2014-05-17 01:53:27.000000000 +0200 -@@ -0,0 +1,281 @@ -+/* -+ * YAFFS: Yet Another Flash File System. A NAND-flash specific file system. -+ * -+ * Copyright (C) 2002-2011 Aleph One Ltd. -+ * for Toby Churchill Ltd and Brightstar Engineering -+ * -+ * Created by Charles Manning -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+/* -+ * This code implements the ECC algorithm used in SmartMedia. -+ * -+ * The ECC comprises 22 bits of parity information and is stuffed into 3 bytes. -+ * The two unused bit are set to 1. -+ * The ECC can correct single bit errors in a 256-byte page of data. Thus, two -+ * such ECC blocks are used on a 512-byte NAND page. -+ * -+ */ -+ -+#include "yportenv.h" -+ -+#include "yaffs_ecc.h" -+ -+/* Table generated by gen-ecc.c -+ * Using a table means we do not have to calculate p1..p4 and p1'..p4' -+ * for each byte of data. These are instead provided in a table in bits7..2. -+ * Bit 0 of each entry indicates whether the entry has an odd or even parity, -+ * and therefore this bytes influence on the line parity. -+ */ -+ -+static const unsigned char column_parity_table[] = { -+ 0x00, 0x55, 0x59, 0x0c, 0x65, 0x30, 0x3c, 0x69, -+ 0x69, 0x3c, 0x30, 0x65, 0x0c, 0x59, 0x55, 0x00, -+ 0x95, 0xc0, 0xcc, 0x99, 0xf0, 0xa5, 0xa9, 0xfc, -+ 0xfc, 0xa9, 0xa5, 0xf0, 0x99, 0xcc, 0xc0, 0x95, -+ 0x99, 0xcc, 0xc0, 0x95, 0xfc, 0xa9, 0xa5, 0xf0, -+ 0xf0, 0xa5, 0xa9, 0xfc, 0x95, 0xc0, 0xcc, 0x99, -+ 0x0c, 0x59, 0x55, 0x00, 0x69, 0x3c, 0x30, 0x65, -+ 0x65, 0x30, 0x3c, 0x69, 0x00, 0x55, 0x59, 0x0c, -+ 0xa5, 0xf0, 0xfc, 0xa9, 0xc0, 0x95, 0x99, 0xcc, -+ 0xcc, 0x99, 0x95, 0xc0, 0xa9, 0xfc, 0xf0, 0xa5, -+ 0x30, 0x65, 0x69, 0x3c, 0x55, 0x00, 0x0c, 0x59, -+ 0x59, 0x0c, 0x00, 0x55, 0x3c, 0x69, 0x65, 0x30, -+ 0x3c, 0x69, 0x65, 0x30, 0x59, 0x0c, 0x00, 0x55, -+ 0x55, 0x00, 0x0c, 0x59, 0x30, 0x65, 0x69, 0x3c, -+ 0xa9, 0xfc, 0xf0, 0xa5, 0xcc, 0x99, 0x95, 0xc0, -+ 0xc0, 0x95, 0x99, 0xcc, 0xa5, 0xf0, 0xfc, 0xa9, -+ 0xa9, 0xfc, 0xf0, 0xa5, 0xcc, 0x99, 0x95, 0xc0, -+ 0xc0, 0x95, 0x99, 0xcc, 0xa5, 0xf0, 0xfc, 0xa9, -+ 0x3c, 0x69, 0x65, 0x30, 0x59, 0x0c, 0x00, 0x55, -+ 0x55, 0x00, 0x0c, 0x59, 0x30, 0x65, 0x69, 0x3c, -+ 0x30, 0x65, 0x69, 0x3c, 0x55, 0x00, 0x0c, 0x59, -+ 0x59, 0x0c, 0x00, 0x55, 0x3c, 0x69, 0x65, 0x30, -+ 0xa5, 0xf0, 0xfc, 0xa9, 0xc0, 0x95, 0x99, 0xcc, -+ 0xcc, 0x99, 0x95, 0xc0, 0xa9, 0xfc, 0xf0, 0xa5, -+ 0x0c, 0x59, 0x55, 0x00, 0x69, 0x3c, 0x30, 0x65, -+ 0x65, 0x30, 0x3c, 0x69, 0x00, 0x55, 0x59, 0x0c, -+ 0x99, 0xcc, 0xc0, 0x95, 0xfc, 0xa9, 0xa5, 0xf0, -+ 0xf0, 0xa5, 0xa9, 0xfc, 0x95, 0xc0, 0xcc, 0x99, -+ 0x95, 0xc0, 0xcc, 0x99, 0xf0, 0xa5, 0xa9, 0xfc, -+ 0xfc, 0xa9, 0xa5, 0xf0, 0x99, 0xcc, 0xc0, 0x95, -+ 0x00, 0x55, 0x59, 0x0c, 0x65, 0x30, 0x3c, 0x69, -+ 0x69, 0x3c, 0x30, 0x65, 0x0c, 0x59, 0x55, 0x00, -+}; -+ -+ -+/* Calculate the ECC for a 256-byte block of data */ -+void yaffs_ecc_calc(const unsigned char *data, unsigned char *ecc) -+{ -+ unsigned int i; -+ unsigned char col_parity = 0; -+ unsigned char line_parity = 0; -+ unsigned char line_parity_prime = 0; -+ unsigned char t; -+ unsigned char b; -+ -+ for (i = 0; i < 256; i++) { -+ b = column_parity_table[*data++]; -+ col_parity ^= b; -+ -+ if (b & 0x01) { /* odd number of bits in the byte */ -+ line_parity ^= i; -+ line_parity_prime ^= ~i; -+ } -+ } -+ -+ ecc[2] = (~col_parity) | 0x03; -+ -+ t = 0; -+ if (line_parity & 0x80) -+ t |= 0x80; -+ if (line_parity_prime & 0x80) -+ t |= 0x40; -+ if (line_parity & 0x40) -+ t |= 0x20; -+ if (line_parity_prime & 0x40) -+ t |= 0x10; -+ if (line_parity & 0x20) -+ t |= 0x08; -+ if (line_parity_prime & 0x20) -+ t |= 0x04; -+ if (line_parity & 0x10) -+ t |= 0x02; -+ if (line_parity_prime & 0x10) -+ t |= 0x01; -+ ecc[1] = ~t; -+ -+ t = 0; -+ if (line_parity & 0x08) -+ t |= 0x80; -+ if (line_parity_prime & 0x08) -+ t |= 0x40; -+ if (line_parity & 0x04) -+ t |= 0x20; -+ if (line_parity_prime & 0x04) -+ t |= 0x10; -+ if (line_parity & 0x02) -+ t |= 0x08; -+ if (line_parity_prime & 0x02) -+ t |= 0x04; -+ if (line_parity & 0x01) -+ t |= 0x02; -+ if (line_parity_prime & 0x01) -+ t |= 0x01; -+ ecc[0] = ~t; -+ -+} -+ -+/* Correct the ECC on a 256 byte block of data */ -+ -+int yaffs_ecc_correct(unsigned char *data, unsigned char *read_ecc, -+ const unsigned char *test_ecc) -+{ -+ unsigned char d0, d1, d2; /* deltas */ -+ -+ d0 = read_ecc[0] ^ test_ecc[0]; -+ d1 = read_ecc[1] ^ test_ecc[1]; -+ d2 = read_ecc[2] ^ test_ecc[2]; -+ -+ if ((d0 | d1 | d2) == 0) -+ return 0; /* no error */ -+ -+ if (((d0 ^ (d0 >> 1)) & 0x55) == 0x55 && -+ ((d1 ^ (d1 >> 1)) & 0x55) == 0x55 && -+ ((d2 ^ (d2 >> 1)) & 0x54) == 0x54) { -+ /* Single bit (recoverable) error in data */ -+ -+ unsigned byte; -+ unsigned bit; -+ -+ bit = byte = 0; -+ -+ if (d1 & 0x80) -+ byte |= 0x80; -+ if (d1 & 0x20) -+ byte |= 0x40; -+ if (d1 & 0x08) -+ byte |= 0x20; -+ if (d1 & 0x02) -+ byte |= 0x10; -+ if (d0 & 0x80) -+ byte |= 0x08; -+ if (d0 & 0x20) -+ byte |= 0x04; -+ if (d0 & 0x08) -+ byte |= 0x02; -+ if (d0 & 0x02) -+ byte |= 0x01; -+ -+ if (d2 & 0x80) -+ bit |= 0x04; -+ if (d2 & 0x20) -+ bit |= 0x02; -+ if (d2 & 0x08) -+ bit |= 0x01; -+ -+ data[byte] ^= (1 << bit); -+ -+ return 1; /* Corrected the error */ -+ } -+ -+ if ((hweight8(d0) + hweight8(d1) + hweight8(d2)) == 1) { -+ /* Reccoverable error in ecc */ -+ -+ read_ecc[0] = test_ecc[0]; -+ read_ecc[1] = test_ecc[1]; -+ read_ecc[2] = test_ecc[2]; -+ -+ return 1; /* Corrected the error */ -+ } -+ -+ /* Unrecoverable error */ -+ -+ return -1; -+ -+} -+ -+/* -+ * ECCxxxOther does ECC calcs on arbitrary n bytes of data -+ */ -+void yaffs_ecc_calc_other(const unsigned char *data, unsigned n_bytes, -+ struct yaffs_ecc_other *ecc_other) -+{ -+ unsigned int i; -+ unsigned char col_parity = 0; -+ unsigned line_parity = 0; -+ unsigned line_parity_prime = 0; -+ unsigned char b; -+ -+ for (i = 0; i < n_bytes; i++) { -+ b = column_parity_table[*data++]; -+ col_parity ^= b; -+ -+ if (b & 0x01) { -+ /* odd number of bits in the byte */ -+ line_parity ^= i; -+ line_parity_prime ^= ~i; -+ } -+ -+ } -+ -+ ecc_other->col_parity = (col_parity >> 2) & 0x3f; -+ ecc_other->line_parity = line_parity; -+ ecc_other->line_parity_prime = line_parity_prime; -+} -+ -+int yaffs_ecc_correct_other(unsigned char *data, unsigned n_bytes, -+ struct yaffs_ecc_other *read_ecc, -+ const struct yaffs_ecc_other *test_ecc) -+{ -+ unsigned char delta_col; /* column parity delta */ -+ unsigned delta_line; /* line parity delta */ -+ unsigned delta_line_prime; /* line parity delta */ -+ unsigned bit; -+ -+ delta_col = read_ecc->col_parity ^ test_ecc->col_parity; -+ delta_line = read_ecc->line_parity ^ test_ecc->line_parity; -+ delta_line_prime = -+ read_ecc->line_parity_prime ^ test_ecc->line_parity_prime; -+ -+ if ((delta_col | delta_line | delta_line_prime) == 0) -+ return 0; /* no error */ -+ -+ if (delta_line == ~delta_line_prime && -+ (((delta_col ^ (delta_col >> 1)) & 0x15) == 0x15)) { -+ /* Single bit (recoverable) error in data */ -+ -+ bit = 0; -+ -+ if (delta_col & 0x20) -+ bit |= 0x04; -+ if (delta_col & 0x08) -+ bit |= 0x02; -+ if (delta_col & 0x02) -+ bit |= 0x01; -+ -+ if (delta_line >= n_bytes) -+ return -1; -+ -+ data[delta_line] ^= (1 << bit); -+ -+ return 1; /* corrected */ -+ } -+ -+ if ((hweight32(delta_line) + -+ hweight32(delta_line_prime) + -+ hweight8(delta_col)) == 1) { -+ /* Reccoverable error in ecc */ -+ -+ *read_ecc = *test_ecc; -+ return 1; /* corrected */ -+ } -+ -+ /* Unrecoverable error */ -+ -+ return -1; -+} -diff -Nur linux-3.15-rc5.orig/fs/yaffs2/yaffs_ecc.h linux-3.15-rc5/fs/yaffs2/yaffs_ecc.h ---- linux-3.15-rc5.orig/fs/yaffs2/yaffs_ecc.h 1970-01-01 01:00:00.000000000 +0100 -+++ linux-3.15-rc5/fs/yaffs2/yaffs_ecc.h 2014-05-17 01:53:27.000000000 +0200 -@@ -0,0 +1,44 @@ -+/* -+ * YAFFS: Yet another Flash File System . A NAND-flash specific file system. -+ * -+ * Copyright (C) 2002-2011 Aleph One Ltd. -+ * for Toby Churchill Ltd and Brightstar Engineering -+ * -+ * Created by Charles Manning -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU Lesser General Public License version 2.1 as -+ * published by the Free Software Foundation. -+ * -+ * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL. -+ */ -+ -+/* -+ * This code implements the ECC algorithm used in SmartMedia. -+ * -+ * The ECC comprises 22 bits of parity information and is stuffed into 3 bytes. -+ * The two unused bit are set to 1. -+ * The ECC can correct single bit errors in a 256-byte page of data. -+ * Thus, two such ECC blocks are used on a 512-byte NAND page. -+ * -+ */ -+ -+#ifndef __YAFFS_ECC_H__ -+#define __YAFFS_ECC_H__ -+ -+struct yaffs_ecc_other { -+ unsigned char col_parity; -+ unsigned line_parity; -+ unsigned line_parity_prime; -+}; -+ -+void yaffs_ecc_calc(const unsigned char *data, unsigned char *ecc); -+int yaffs_ecc_correct(unsigned char *data, unsigned char *read_ecc, -+ const unsigned char *test_ecc); -+ -+void yaffs_ecc_calc_other(const unsigned char *data, unsigned n_bytes, -+ struct yaffs_ecc_other *ecc); -+int yaffs_ecc_correct_other(unsigned char *data, unsigned n_bytes, -+ struct yaffs_ecc_other *read_ecc, -+ const struct yaffs_ecc_other *test_ecc); -+#endif -diff -Nur linux-3.15-rc5.orig/fs/yaffs2/yaffs_getblockinfo.h linux-3.15-rc5/fs/yaffs2/yaffs_getblockinfo.h ---- linux-3.15-rc5.orig/fs/yaffs2/yaffs_getblockinfo.h 1970-01-01 01:00:00.000000000 +0100 -+++ linux-3.15-rc5/fs/yaffs2/yaffs_getblockinfo.h 2014-05-17 01:53:27.000000000 +0200 -@@ -0,0 +1,35 @@ -+/* -+ * YAFFS: Yet another Flash File System . A NAND-flash specific file system. -+ * -+ * Copyright (C) 2002-2011 Aleph One Ltd. -+ * for Toby Churchill Ltd and Brightstar Engineering -+ * -+ * Created by Charles Manning -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU Lesser General Public License version 2.1 as -+ * published by the Free Software Foundation. -+ * -+ * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL. -+ */ -+ -+#ifndef __YAFFS_GETBLOCKINFO_H__ -+#define __YAFFS_GETBLOCKINFO_H__ -+ -+#include "yaffs_guts.h" -+#include "yaffs_trace.h" -+ -+/* Function to manipulate block info */ -+static inline struct yaffs_block_info *yaffs_get_block_info(struct yaffs_dev -+ *dev, int blk) -+{ -+ if (blk < dev->internal_start_block || blk > dev->internal_end_block) { -+ yaffs_trace(YAFFS_TRACE_ERROR, -+ "**>> yaffs: get_block_info block %d is not valid", -+ blk); -+ BUG(); -+ } -+ return &dev->block_info[blk - dev->internal_start_block]; -+} -+ -+#endif -diff -Nur linux-3.15-rc5.orig/fs/yaffs2/yaffs_guts.c linux-3.15-rc5/fs/yaffs2/yaffs_guts.c ---- linux-3.15-rc5.orig/fs/yaffs2/yaffs_guts.c 1970-01-01 01:00:00.000000000 +0100 -+++ linux-3.15-rc5/fs/yaffs2/yaffs_guts.c 2014-05-17 01:53:27.000000000 +0200 -@@ -0,0 +1,5146 @@ -+/* -+ * YAFFS: Yet Another Flash File System. A NAND-flash specific file system. -+ * -+ * Copyright (C) 2002-2011 Aleph One Ltd. -+ * for Toby Churchill Ltd and Brightstar Engineering -+ * -+ * Created by Charles Manning -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+#include "yportenv.h" -+#include "yaffs_trace.h" -+ -+#include "yaffs_guts.h" -+#include "yaffs_getblockinfo.h" -+#include "yaffs_tagscompat.h" -+#include "yaffs_tagsmarshall.h" -+#include "yaffs_nand.h" -+#include "yaffs_yaffs1.h" -+#include "yaffs_yaffs2.h" -+#include "yaffs_bitmap.h" -+#include "yaffs_verify.h" -+#include "yaffs_nand.h" -+#include "yaffs_packedtags2.h" -+#include "yaffs_nameval.h" -+#include "yaffs_allocator.h" -+#include "yaffs_attribs.h" -+#include "yaffs_summary.h" -+ -+/* Note YAFFS_GC_GOOD_ENOUGH must be <= YAFFS_GC_PASSIVE_THRESHOLD */ -+#define YAFFS_GC_GOOD_ENOUGH 2 -+#define YAFFS_GC_PASSIVE_THRESHOLD 4 -+ -+#include "yaffs_ecc.h" -+ -+/* Forward declarations */ -+ -+static int yaffs_wr_data_obj(struct yaffs_obj *in, int inode_chunk, -+ const u8 *buffer, int n_bytes, int use_reserve); -+ -+static void yaffs_fix_null_name(struct yaffs_obj *obj, YCHAR *name, -+ int buffer_size); -+ -+/* Function to calculate chunk and offset */ -+ -+void yaffs_addr_to_chunk(struct yaffs_dev *dev, loff_t addr, -+ int *chunk_out, u32 *offset_out) -+{ -+ int chunk; -+ u32 offset; -+ -+ chunk = (u32) (addr >> dev->chunk_shift); -+ -+ if (dev->chunk_div == 1) { -+ /* easy power of 2 case */ -+ offset = (u32) (addr & dev->chunk_mask); -+ } else { -+ /* Non power-of-2 case */ -+ -+ loff_t chunk_base; -+ -+ chunk /= dev->chunk_div; -+ -+ chunk_base = ((loff_t) chunk) * dev->data_bytes_per_chunk; -+ offset = (u32) (addr - chunk_base); -+ } -+ -+ *chunk_out = chunk; -+ *offset_out = offset; -+} -+ -+/* Function to return the number of shifts for a power of 2 greater than or -+ * equal to the given number -+ * Note we don't try to cater for all possible numbers and this does not have to -+ * be hellishly efficient. -+ */ -+ -+static inline u32 calc_shifts_ceiling(u32 x) -+{ -+ int extra_bits; -+ int shifts; -+ -+ shifts = extra_bits = 0; -+ -+ while (x > 1) { -+ if (x & 1) -+ extra_bits++; -+ x >>= 1; -+ shifts++; -+ } -+ -+ if (extra_bits) -+ shifts++; -+ -+ return shifts; -+} -+ -+/* Function to return the number of shifts to get a 1 in bit 0 -+ */ -+ -+static inline u32 calc_shifts(u32 x) -+{ -+ u32 shifts; -+ -+ shifts = 0; -+ -+ if (!x) -+ return 0; -+ -+ while (!(x & 1)) { -+ x >>= 1; -+ shifts++; -+ } -+ -+ return shifts; -+} -+ -+/* -+ * Temporary buffer manipulations. -+ */ -+ -+static int yaffs_init_tmp_buffers(struct yaffs_dev *dev) -+{ -+ int i; -+ u8 *buf = (u8 *) 1; -+ -+ memset(dev->temp_buffer, 0, sizeof(dev->temp_buffer)); -+ -+ for (i = 0; buf && i < YAFFS_N_TEMP_BUFFERS; i++) { -+ dev->temp_buffer[i].in_use = 0; -+ buf = kmalloc(dev->param.total_bytes_per_chunk, GFP_NOFS); -+ dev->temp_buffer[i].buffer = buf; -+ } -+ -+ return buf ? YAFFS_OK : YAFFS_FAIL; -+} -+ -+u8 *yaffs_get_temp_buffer(struct yaffs_dev * dev) -+{ -+ int i; -+ -+ dev->temp_in_use++; -+ if (dev->temp_in_use > dev->max_temp) -+ dev->max_temp = dev->temp_in_use; -+ -+ for (i = 0; i < YAFFS_N_TEMP_BUFFERS; i++) { -+ if (dev->temp_buffer[i].in_use == 0) { -+ dev->temp_buffer[i].in_use = 1; -+ return dev->temp_buffer[i].buffer; -+ } -+ } -+ -+ yaffs_trace(YAFFS_TRACE_BUFFERS, "Out of temp buffers"); -+ /* -+ * If we got here then we have to allocate an unmanaged one -+ * This is not good. -+ */ -+ -+ dev->unmanaged_buffer_allocs++; -+ return kmalloc(dev->data_bytes_per_chunk, GFP_NOFS); -+ -+} -+ -+void yaffs_release_temp_buffer(struct yaffs_dev *dev, u8 *buffer) -+{ -+ int i; -+ -+ dev->temp_in_use--; -+ -+ for (i = 0; i < YAFFS_N_TEMP_BUFFERS; i++) { -+ if (dev->temp_buffer[i].buffer == buffer) { -+ dev->temp_buffer[i].in_use = 0; -+ return; -+ } -+ } -+ -+ if (buffer) { -+ /* assume it is an unmanaged one. */ -+ yaffs_trace(YAFFS_TRACE_BUFFERS, -+ "Releasing unmanaged temp buffer"); -+ kfree(buffer); -+ dev->unmanaged_buffer_deallocs++; -+ } -+ -+} -+ -+/* -+ * Functions for robustisizing TODO -+ * -+ */ -+ -+static void yaffs_handle_chunk_wr_ok(struct yaffs_dev *dev, int nand_chunk, -+ const u8 *data, -+ const struct yaffs_ext_tags *tags) -+{ -+ (void) dev; -+ (void) nand_chunk; -+ (void) data; -+ (void) tags; -+} -+ -+static void yaffs_handle_chunk_update(struct yaffs_dev *dev, int nand_chunk, -+ const struct yaffs_ext_tags *tags) -+{ -+ (void) dev; -+ (void) nand_chunk; -+ (void) tags; -+} -+ -+void yaffs_handle_chunk_error(struct yaffs_dev *dev, -+ struct yaffs_block_info *bi) -+{ -+ if (!bi->gc_prioritise) { -+ bi->gc_prioritise = 1; -+ dev->has_pending_prioritised_gc = 1; -+ bi->chunk_error_strikes++; -+ -+ if (bi->chunk_error_strikes > 3) { -+ bi->needs_retiring = 1; /* Too many stikes, so retire */ -+ yaffs_trace(YAFFS_TRACE_ALWAYS, -+ "yaffs: Block struck out"); -+ -+ } -+ } -+} -+ -+static void yaffs_handle_chunk_wr_error(struct yaffs_dev *dev, int nand_chunk, -+ int erased_ok) -+{ -+ int flash_block = nand_chunk / dev->param.chunks_per_block; -+ struct yaffs_block_info *bi = yaffs_get_block_info(dev, flash_block); -+ -+ yaffs_handle_chunk_error(dev, bi); -+ -+ if (erased_ok) { -+ /* Was an actual write failure, -+ * so mark the block for retirement.*/ -+ bi->needs_retiring = 1; -+ yaffs_trace(YAFFS_TRACE_ERROR | YAFFS_TRACE_BAD_BLOCKS, -+ "**>> Block %d needs retiring", flash_block); -+ } -+ -+ /* Delete the chunk */ -+ yaffs_chunk_del(dev, nand_chunk, 1, __LINE__); -+ yaffs_skip_rest_of_block(dev); -+} -+ -+/* -+ * Verification code -+ */ -+ -+/* -+ * Simple hash function. Needs to have a reasonable spread -+ */ -+ -+static inline int yaffs_hash_fn(int n) -+{ -+ if (n < 0) -+ n = -n; -+ return n % YAFFS_NOBJECT_BUCKETS; -+} -+ -+/* -+ * Access functions to useful fake objects. -+ * Note that root might have a presence in NAND if permissions are set. -+ */ -+ -+struct yaffs_obj *yaffs_root(struct yaffs_dev *dev) -+{ -+ return dev->root_dir; -+} -+ -+struct yaffs_obj *yaffs_lost_n_found(struct yaffs_dev *dev) -+{ -+ return dev->lost_n_found; -+} -+ -+/* -+ * Erased NAND checking functions -+ */ -+ -+int yaffs_check_ff(u8 *buffer, int n_bytes) -+{ -+ /* Horrible, slow implementation */ -+ while (n_bytes--) { -+ if (*buffer != 0xff) -+ return 0; -+ buffer++; -+ } -+ return 1; -+} -+ -+static int yaffs_check_chunk_erased(struct yaffs_dev *dev, int nand_chunk) -+{ -+ int retval = YAFFS_OK; -+ u8 *data = yaffs_get_temp_buffer(dev); -+ struct yaffs_ext_tags tags; -+ int result; -+ -+ result = yaffs_rd_chunk_tags_nand(dev, nand_chunk, data, &tags); -+ -+ if (tags.ecc_result > YAFFS_ECC_RESULT_NO_ERROR) -+ retval = YAFFS_FAIL; -+ -+ if (!yaffs_check_ff(data, dev->data_bytes_per_chunk) || -+ tags.chunk_used) { -+ yaffs_trace(YAFFS_TRACE_NANDACCESS, -+ "Chunk %d not erased", nand_chunk); -+ retval = YAFFS_FAIL; -+ } -+ -+ yaffs_release_temp_buffer(dev, data); -+ -+ return retval; -+ -+} -+ -+static int yaffs_verify_chunk_written(struct yaffs_dev *dev, -+ int nand_chunk, -+ const u8 *data, -+ struct yaffs_ext_tags *tags) -+{ -+ int retval = YAFFS_OK; -+ struct yaffs_ext_tags temp_tags; -+ u8 *buffer = yaffs_get_temp_buffer(dev); -+ int result; -+ -+ result = yaffs_rd_chunk_tags_nand(dev, nand_chunk, buffer, &temp_tags); -+ if (memcmp(buffer, data, dev->data_bytes_per_chunk) || -+ temp_tags.obj_id != tags->obj_id || -+ temp_tags.chunk_id != tags->chunk_id || -+ temp_tags.n_bytes != tags->n_bytes) -+ retval = YAFFS_FAIL; -+ -+ yaffs_release_temp_buffer(dev, buffer); -+ -+ return retval; -+} -+ -+ -+int yaffs_check_alloc_available(struct yaffs_dev *dev, int n_chunks) -+{ -+ int reserved_chunks; -+ int reserved_blocks = dev->param.n_reserved_blocks; -+ int checkpt_blocks; -+ -+ checkpt_blocks = yaffs_calc_checkpt_blocks_required(dev); -+ -+ reserved_chunks = -+ (reserved_blocks + checkpt_blocks) * dev->param.chunks_per_block; -+ -+ return (dev->n_free_chunks > (reserved_chunks + n_chunks)); -+} -+ -+static int yaffs_find_alloc_block(struct yaffs_dev *dev) -+{ -+ int i; -+ struct yaffs_block_info *bi; -+ -+ if (dev->n_erased_blocks < 1) { -+ /* Hoosterman we've got a problem. -+ * Can't get space to gc -+ */ -+ yaffs_trace(YAFFS_TRACE_ERROR, -+ "yaffs tragedy: no more erased blocks"); -+ -+ return -1; -+ } -+ -+ /* Find an empty block. */ -+ -+ for (i = dev->internal_start_block; i <= dev->internal_end_block; i++) { -+ dev->alloc_block_finder++; -+ if (dev->alloc_block_finder < dev->internal_start_block -+ || dev->alloc_block_finder > dev->internal_end_block) { -+ dev->alloc_block_finder = dev->internal_start_block; -+ } -+ -+ bi = yaffs_get_block_info(dev, dev->alloc_block_finder); -+ -+ if (bi->block_state == YAFFS_BLOCK_STATE_EMPTY) { -+ bi->block_state = YAFFS_BLOCK_STATE_ALLOCATING; -+ dev->seq_number++; -+ bi->seq_number = dev->seq_number; -+ dev->n_erased_blocks--; -+ yaffs_trace(YAFFS_TRACE_ALLOCATE, -+ "Allocated block %d, seq %d, %d left" , -+ dev->alloc_block_finder, dev->seq_number, -+ dev->n_erased_blocks); -+ return dev->alloc_block_finder; -+ } -+ } -+ -+ yaffs_trace(YAFFS_TRACE_ALWAYS, -+ "yaffs tragedy: no more erased blocks, but there should have been %d", -+ dev->n_erased_blocks); -+ -+ return -1; -+} -+ -+static int yaffs_alloc_chunk(struct yaffs_dev *dev, int use_reserver, -+ struct yaffs_block_info **block_ptr) -+{ -+ int ret_val; -+ struct yaffs_block_info *bi; -+ -+ if (dev->alloc_block < 0) { -+ /* Get next block to allocate off */ -+ dev->alloc_block = yaffs_find_alloc_block(dev); -+ dev->alloc_page = 0; -+ } -+ -+ if (!use_reserver && !yaffs_check_alloc_available(dev, 1)) { -+ /* No space unless we're allowed to use the reserve. */ -+ return -1; -+ } -+ -+ if (dev->n_erased_blocks < dev->param.n_reserved_blocks -+ && dev->alloc_page == 0) -+ yaffs_trace(YAFFS_TRACE_ALLOCATE, "Allocating reserve"); -+ -+ /* Next page please.... */ -+ if (dev->alloc_block >= 0) { -+ bi = yaffs_get_block_info(dev, dev->alloc_block); -+ -+ ret_val = (dev->alloc_block * dev->param.chunks_per_block) + -+ dev->alloc_page; -+ bi->pages_in_use++; -+ yaffs_set_chunk_bit(dev, dev->alloc_block, dev->alloc_page); -+ -+ dev->alloc_page++; -+ -+ dev->n_free_chunks--; -+ -+ /* If the block is full set the state to full */ -+ if (dev->alloc_page >= dev->param.chunks_per_block) { -+ bi->block_state = YAFFS_BLOCK_STATE_FULL; -+ dev->alloc_block = -1; -+ } -+ -+ if (block_ptr) -+ *block_ptr = bi; -+ -+ return ret_val; -+ } -+ -+ yaffs_trace(YAFFS_TRACE_ERROR, -+ "!!!!!!!!! Allocator out !!!!!!!!!!!!!!!!!"); -+ -+ return -1; -+} -+ -+static int yaffs_get_erased_chunks(struct yaffs_dev *dev) -+{ -+ int n; -+ -+ n = dev->n_erased_blocks * dev->param.chunks_per_block; -+ -+ if (dev->alloc_block > 0) -+ n += (dev->param.chunks_per_block - dev->alloc_page); -+ -+ return n; -+ -+} -+ -+/* -+ * yaffs_skip_rest_of_block() skips over the rest of the allocation block -+ * if we don't want to write to it. -+ */ -+void yaffs_skip_rest_of_block(struct yaffs_dev *dev) -+{ -+ struct yaffs_block_info *bi; -+ -+ if (dev->alloc_block > 0) { -+ bi = yaffs_get_block_info(dev, dev->alloc_block); -+ if (bi->block_state == YAFFS_BLOCK_STATE_ALLOCATING) { -+ bi->block_state = YAFFS_BLOCK_STATE_FULL; -+ dev->alloc_block = -1; -+ } -+ } -+} -+ -+static int yaffs_write_new_chunk(struct yaffs_dev *dev, -+ const u8 *data, -+ struct yaffs_ext_tags *tags, int use_reserver) -+{ -+ int attempts = 0; -+ int write_ok = 0; -+ int chunk; -+ -+ yaffs2_checkpt_invalidate(dev); -+ -+ do { -+ struct yaffs_block_info *bi = 0; -+ int erased_ok = 0; -+ -+ chunk = yaffs_alloc_chunk(dev, use_reserver, &bi); -+ if (chunk < 0) { -+ /* no space */ -+ break; -+ } -+ -+ /* First check this chunk is erased, if it needs -+ * checking. The checking policy (unless forced -+ * always on) is as follows: -+ * -+ * Check the first page we try to write in a block. -+ * If the check passes then we don't need to check any -+ * more. If the check fails, we check again... -+ * If the block has been erased, we don't need to check. -+ * -+ * However, if the block has been prioritised for gc, -+ * then we think there might be something odd about -+ * this block and stop using it. -+ * -+ * Rationale: We should only ever see chunks that have -+ * not been erased if there was a partially written -+ * chunk due to power loss. This checking policy should -+ * catch that case with very few checks and thus save a -+ * lot of checks that are most likely not needed. -+ * -+ * Mods to the above -+ * If an erase check fails or the write fails we skip the -+ * rest of the block. -+ */ -+ -+ /* let's give it a try */ -+ attempts++; -+ -+ if (dev->param.always_check_erased) -+ bi->skip_erased_check = 0; -+ -+ if (!bi->skip_erased_check) { -+ erased_ok = yaffs_check_chunk_erased(dev, chunk); -+ if (erased_ok != YAFFS_OK) { -+ yaffs_trace(YAFFS_TRACE_ERROR, -+ "**>> yaffs chunk %d was not erased", -+ chunk); -+ -+ /* If not erased, delete this one, -+ * skip rest of block and -+ * try another chunk */ -+ yaffs_chunk_del(dev, chunk, 1, __LINE__); -+ yaffs_skip_rest_of_block(dev); -+ continue; -+ } -+ } -+ -+ write_ok = yaffs_wr_chunk_tags_nand(dev, chunk, data, tags); -+ -+ if (!bi->skip_erased_check) -+ write_ok = -+ yaffs_verify_chunk_written(dev, chunk, data, tags); -+ -+ if (write_ok != YAFFS_OK) { -+ /* Clean up aborted write, skip to next block and -+ * try another chunk */ -+ yaffs_handle_chunk_wr_error(dev, chunk, erased_ok); -+ continue; -+ } -+ -+ bi->skip_erased_check = 1; -+ -+ /* Copy the data into the robustification buffer */ -+ yaffs_handle_chunk_wr_ok(dev, chunk, data, tags); -+ -+ } while (write_ok != YAFFS_OK && -+ (yaffs_wr_attempts <= 0 || attempts <= yaffs_wr_attempts)); -+ -+ if (!write_ok) -+ chunk = -1; -+ -+ if (attempts > 1) { -+ yaffs_trace(YAFFS_TRACE_ERROR, -+ "**>> yaffs write required %d attempts", -+ attempts); -+ dev->n_retried_writes += (attempts - 1); -+ } -+ -+ return chunk; -+} -+ -+/* -+ * Block retiring for handling a broken block. -+ */ -+ -+static void yaffs_retire_block(struct yaffs_dev *dev, int flash_block) -+{ -+ struct yaffs_block_info *bi = yaffs_get_block_info(dev, flash_block); -+ -+ yaffs2_checkpt_invalidate(dev); -+ -+ yaffs2_clear_oldest_dirty_seq(dev, bi); -+ -+ if (yaffs_mark_bad(dev, flash_block) != YAFFS_OK) { -+ if (yaffs_erase_block(dev, flash_block) != YAFFS_OK) { -+ yaffs_trace(YAFFS_TRACE_ALWAYS, -+ "yaffs: Failed to mark bad and erase block %d", -+ flash_block); -+ } else { -+ struct yaffs_ext_tags tags; -+ int chunk_id = -+ flash_block * dev->param.chunks_per_block; -+ -+ u8 *buffer = yaffs_get_temp_buffer(dev); -+ -+ memset(buffer, 0xff, dev->data_bytes_per_chunk); -+ memset(&tags, 0, sizeof(tags)); -+ tags.seq_number = YAFFS_SEQUENCE_BAD_BLOCK; -+ if (dev->tagger.write_chunk_tags_fn(dev, chunk_id - -+ dev->chunk_offset, -+ buffer, -+ &tags) != YAFFS_OK) -+ yaffs_trace(YAFFS_TRACE_ALWAYS, -+ "yaffs: Failed to write bad block marker to block %d", -+ flash_block); -+ -+ yaffs_release_temp_buffer(dev, buffer); -+ } -+ } -+ -+ bi->block_state = YAFFS_BLOCK_STATE_DEAD; -+ bi->gc_prioritise = 0; -+ bi->needs_retiring = 0; -+ -+ dev->n_retired_blocks++; -+} -+ -+/*---------------- Name handling functions ------------*/ -+ -+static u16 yaffs_calc_name_sum(const YCHAR *name) -+{ -+ u16 sum = 0; -+ u16 i = 1; -+ -+ if (!name) -+ return 0; -+ -+ while ((*name) && i < (YAFFS_MAX_NAME_LENGTH / 2)) { -+ -+ /* 0x1f mask is case insensitive */ -+ sum += ((*name) & 0x1f) * i; -+ i++; -+ name++; -+ } -+ return sum; -+} -+ -+ -+void yaffs_set_obj_name(struct yaffs_obj *obj, const YCHAR * name) -+{ -+ memset(obj->short_name, 0, sizeof(obj->short_name)); -+ -+ if (name && !name[0]) { -+ yaffs_fix_null_name(obj, obj->short_name, -+ YAFFS_SHORT_NAME_LENGTH); -+ name = obj->short_name; -+ } else if (name && -+ strnlen(name, YAFFS_SHORT_NAME_LENGTH + 1) <= -+ YAFFS_SHORT_NAME_LENGTH) { -+ strcpy(obj->short_name, name); -+ } -+ -+ obj->sum = yaffs_calc_name_sum(name); -+} -+ -+void yaffs_set_obj_name_from_oh(struct yaffs_obj *obj, -+ const struct yaffs_obj_hdr *oh) -+{ -+#ifdef CONFIG_YAFFS_AUTO_UNICODE -+ YCHAR tmp_name[YAFFS_MAX_NAME_LENGTH + 1]; -+ memset(tmp_name, 0, sizeof(tmp_name)); -+ yaffs_load_name_from_oh(obj->my_dev, tmp_name, oh->name, -+ YAFFS_MAX_NAME_LENGTH + 1); -+ yaffs_set_obj_name(obj, tmp_name); -+#else -+ yaffs_set_obj_name(obj, oh->name); -+#endif -+} -+ -+loff_t yaffs_max_file_size(struct yaffs_dev *dev) -+{ -+ if(sizeof(loff_t) < 8) -+ return YAFFS_MAX_FILE_SIZE_32; -+ else -+ return ((loff_t) YAFFS_MAX_CHUNK_ID) * dev->data_bytes_per_chunk; -+} -+ -+/*-------------------- TNODES ------------------- -+ -+ * List of spare tnodes -+ * The list is hooked together using the first pointer -+ * in the tnode. -+ */ -+ -+struct yaffs_tnode *yaffs_get_tnode(struct yaffs_dev *dev) -+{ -+ struct yaffs_tnode *tn = yaffs_alloc_raw_tnode(dev); -+ -+ if (tn) { -+ memset(tn, 0, dev->tnode_size); -+ dev->n_tnodes++; -+ } -+ -+ dev->checkpoint_blocks_required = 0; /* force recalculation */ -+ -+ return tn; -+} -+ -+/* FreeTnode frees up a tnode and puts it back on the free list */ -+static void yaffs_free_tnode(struct yaffs_dev *dev, struct yaffs_tnode *tn) -+{ -+ yaffs_free_raw_tnode(dev, tn); -+ dev->n_tnodes--; -+ dev->checkpoint_blocks_required = 0; /* force recalculation */ -+} -+ -+static void yaffs_deinit_tnodes_and_objs(struct yaffs_dev *dev) -+{ -+ yaffs_deinit_raw_tnodes_and_objs(dev); -+ dev->n_obj = 0; -+ dev->n_tnodes = 0; -+} -+ -+static void yaffs_load_tnode_0(struct yaffs_dev *dev, struct yaffs_tnode *tn, -+ unsigned pos, unsigned val) -+{ -+ u32 *map = (u32 *) tn; -+ u32 bit_in_map; -+ u32 bit_in_word; -+ u32 word_in_map; -+ u32 mask; -+ -+ pos &= YAFFS_TNODES_LEVEL0_MASK; -+ val >>= dev->chunk_grp_bits; -+ -+ bit_in_map = pos * dev->tnode_width; -+ word_in_map = bit_in_map / 32; -+ bit_in_word = bit_in_map & (32 - 1); -+ -+ mask = dev->tnode_mask << bit_in_word; -+ -+ map[word_in_map] &= ~mask; -+ map[word_in_map] |= (mask & (val << bit_in_word)); -+ -+ if (dev->tnode_width > (32 - bit_in_word)) { -+ bit_in_word = (32 - bit_in_word); -+ word_in_map++; -+ mask = -+ dev->tnode_mask >> bit_in_word; -+ map[word_in_map] &= ~mask; -+ map[word_in_map] |= (mask & (val >> bit_in_word)); -+ } -+} -+ -+u32 yaffs_get_group_base(struct yaffs_dev *dev, struct yaffs_tnode *tn, -+ unsigned pos) -+{ -+ u32 *map = (u32 *) tn; -+ u32 bit_in_map; -+ u32 bit_in_word; -+ u32 word_in_map; -+ u32 val; -+ -+ pos &= YAFFS_TNODES_LEVEL0_MASK; -+ -+ bit_in_map = pos * dev->tnode_width; -+ word_in_map = bit_in_map / 32; -+ bit_in_word = bit_in_map & (32 - 1); -+ -+ val = map[word_in_map] >> bit_in_word; -+ -+ if (dev->tnode_width > (32 - bit_in_word)) { -+ bit_in_word = (32 - bit_in_word); -+ word_in_map++; -+ val |= (map[word_in_map] << bit_in_word); -+ } -+ -+ val &= dev->tnode_mask; -+ val <<= dev->chunk_grp_bits; -+ -+ return val; -+} -+ -+/* ------------------- End of individual tnode manipulation -----------------*/ -+ -+/* ---------Functions to manipulate the look-up tree (made up of tnodes) ------ -+ * The look up tree is represented by the top tnode and the number of top_level -+ * in the tree. 0 means only the level 0 tnode is in the tree. -+ */ -+ -+/* FindLevel0Tnode finds the level 0 tnode, if one exists. */ -+struct yaffs_tnode *yaffs_find_tnode_0(struct yaffs_dev *dev, -+ struct yaffs_file_var *file_struct, -+ u32 chunk_id) -+{ -+ struct yaffs_tnode *tn = file_struct->top; -+ u32 i; -+ int required_depth; -+ int level = file_struct->top_level; -+ -+ (void) dev; -+ -+ /* Check sane level and chunk Id */ -+ if (level < 0 || level > YAFFS_TNODES_MAX_LEVEL) -+ return NULL; -+ -+ if (chunk_id > YAFFS_MAX_CHUNK_ID) -+ return NULL; -+ -+ /* First check we're tall enough (ie enough top_level) */ -+ -+ i = chunk_id >> YAFFS_TNODES_LEVEL0_BITS; -+ required_depth = 0; -+ while (i) { -+ i >>= YAFFS_TNODES_INTERNAL_BITS; -+ required_depth++; -+ } -+ -+ if (required_depth > file_struct->top_level) -+ return NULL; /* Not tall enough, so we can't find it */ -+ -+ /* Traverse down to level 0 */ -+ while (level > 0 && tn) { -+ tn = tn->internal[(chunk_id >> -+ (YAFFS_TNODES_LEVEL0_BITS + -+ (level - 1) * -+ YAFFS_TNODES_INTERNAL_BITS)) & -+ YAFFS_TNODES_INTERNAL_MASK]; -+ level--; -+ } -+ -+ return tn; -+} -+ -+/* add_find_tnode_0 finds the level 0 tnode if it exists, -+ * otherwise first expands the tree. -+ * This happens in two steps: -+ * 1. If the tree isn't tall enough, then make it taller. -+ * 2. Scan down the tree towards the level 0 tnode adding tnodes if required. -+ * -+ * Used when modifying the tree. -+ * -+ * If the tn argument is NULL, then a fresh tnode will be added otherwise the -+ * specified tn will be plugged into the ttree. -+ */ -+ -+struct yaffs_tnode *yaffs_add_find_tnode_0(struct yaffs_dev *dev, -+ struct yaffs_file_var *file_struct, -+ u32 chunk_id, -+ struct yaffs_tnode *passed_tn) -+{ -+ int required_depth; -+ int i; -+ int l; -+ struct yaffs_tnode *tn; -+ u32 x; -+ -+ /* Check sane level and page Id */ -+ if (file_struct->top_level < 0 || -+ file_struct->top_level > YAFFS_TNODES_MAX_LEVEL) -+ return NULL; -+ -+ if (chunk_id > YAFFS_MAX_CHUNK_ID) -+ return NULL; -+ -+ /* First check we're tall enough (ie enough top_level) */ -+ -+ x = chunk_id >> YAFFS_TNODES_LEVEL0_BITS; -+ required_depth = 0; -+ while (x) { -+ x >>= YAFFS_TNODES_INTERNAL_BITS; -+ required_depth++; -+ } -+ -+ if (required_depth > file_struct->top_level) { -+ /* Not tall enough, gotta make the tree taller */ -+ for (i = file_struct->top_level; i < required_depth; i++) { -+ -+ tn = yaffs_get_tnode(dev); -+ -+ if (tn) { -+ tn->internal[0] = file_struct->top; -+ file_struct->top = tn; -+ file_struct->top_level++; -+ } else { -+ yaffs_trace(YAFFS_TRACE_ERROR, -+ "yaffs: no more tnodes"); -+ return NULL; -+ } -+ } -+ } -+ -+ /* Traverse down to level 0, adding anything we need */ -+ -+ l = file_struct->top_level; -+ tn = file_struct->top; -+ -+ if (l > 0) { -+ while (l > 0 && tn) { -+ x = (chunk_id >> -+ (YAFFS_TNODES_LEVEL0_BITS + -+ (l - 1) * YAFFS_TNODES_INTERNAL_BITS)) & -+ YAFFS_TNODES_INTERNAL_MASK; -+ -+ if ((l > 1) && !tn->internal[x]) { -+ /* Add missing non-level-zero tnode */ -+ tn->internal[x] = yaffs_get_tnode(dev); -+ if (!tn->internal[x]) -+ return NULL; -+ } else if (l == 1) { -+ /* Looking from level 1 at level 0 */ -+ if (passed_tn) { -+ /* If we already have one, release it */ -+ if (tn->internal[x]) -+ yaffs_free_tnode(dev, -+ tn->internal[x]); -+ tn->internal[x] = passed_tn; -+ -+ } else if (!tn->internal[x]) { -+ /* Don't have one, none passed in */ -+ tn->internal[x] = yaffs_get_tnode(dev); -+ if (!tn->internal[x]) -+ return NULL; -+ } -+ } -+ -+ tn = tn->internal[x]; -+ l--; -+ } -+ } else { -+ /* top is level 0 */ -+ if (passed_tn) { -+ memcpy(tn, passed_tn, -+ (dev->tnode_width * YAFFS_NTNODES_LEVEL0) / 8); -+ yaffs_free_tnode(dev, passed_tn); -+ } -+ } -+ -+ return tn; -+} -+ -+static int yaffs_tags_match(const struct yaffs_ext_tags *tags, int obj_id, -+ int chunk_obj) -+{ -+ return (tags->chunk_id == chunk_obj && -+ tags->obj_id == obj_id && -+ !tags->is_deleted) ? 1 : 0; -+ -+} -+ -+static int yaffs_find_chunk_in_group(struct yaffs_dev *dev, int the_chunk, -+ struct yaffs_ext_tags *tags, int obj_id, -+ int inode_chunk) -+{ -+ int j; -+ -+ for (j = 0; the_chunk && j < dev->chunk_grp_size; j++) { -+ if (yaffs_check_chunk_bit -+ (dev, the_chunk / dev->param.chunks_per_block, -+ the_chunk % dev->param.chunks_per_block)) { -+ -+ if (dev->chunk_grp_size == 1) -+ return the_chunk; -+ else { -+ yaffs_rd_chunk_tags_nand(dev, the_chunk, NULL, -+ tags); -+ if (yaffs_tags_match(tags, -+ obj_id, inode_chunk)) { -+ /* found it; */ -+ return the_chunk; -+ } -+ } -+ } -+ the_chunk++; -+ } -+ return -1; -+} -+ -+int yaffs_find_chunk_in_file(struct yaffs_obj *in, int inode_chunk, -+ struct yaffs_ext_tags *tags) -+{ -+ /*Get the Tnode, then get the level 0 offset chunk offset */ -+ struct yaffs_tnode *tn; -+ int the_chunk = -1; -+ struct yaffs_ext_tags local_tags; -+ int ret_val = -1; -+ struct yaffs_dev *dev = in->my_dev; -+ -+ if (!tags) { -+ /* Passed a NULL, so use our own tags space */ -+ tags = &local_tags; -+ } -+ -+ tn = yaffs_find_tnode_0(dev, &in->variant.file_variant, inode_chunk); -+ -+ if (!tn) -+ return ret_val; -+ -+ the_chunk = yaffs_get_group_base(dev, tn, inode_chunk); -+ -+ ret_val = yaffs_find_chunk_in_group(dev, the_chunk, tags, in->obj_id, -+ inode_chunk); -+ return ret_val; -+} -+ -+static int yaffs_find_del_file_chunk(struct yaffs_obj *in, int inode_chunk, -+ struct yaffs_ext_tags *tags) -+{ -+ /* Get the Tnode, then get the level 0 offset chunk offset */ -+ struct yaffs_tnode *tn; -+ int the_chunk = -1; -+ struct yaffs_ext_tags local_tags; -+ struct yaffs_dev *dev = in->my_dev; -+ int ret_val = -1; -+ -+ if (!tags) { -+ /* Passed a NULL, so use our own tags space */ -+ tags = &local_tags; -+ } -+ -+ tn = yaffs_find_tnode_0(dev, &in->variant.file_variant, inode_chunk); -+ -+ if (!tn) -+ return ret_val; -+ -+ the_chunk = yaffs_get_group_base(dev, tn, inode_chunk); -+ -+ ret_val = yaffs_find_chunk_in_group(dev, the_chunk, tags, in->obj_id, -+ inode_chunk); -+ -+ /* Delete the entry in the filestructure (if found) */ -+ if (ret_val != -1) -+ yaffs_load_tnode_0(dev, tn, inode_chunk, 0); -+ -+ return ret_val; -+} -+ -+int yaffs_put_chunk_in_file(struct yaffs_obj *in, int inode_chunk, -+ int nand_chunk, int in_scan) -+{ -+ /* NB in_scan is zero unless scanning. -+ * For forward scanning, in_scan is > 0; -+ * for backward scanning in_scan is < 0 -+ * -+ * nand_chunk = 0 is a dummy insert to make sure the tnodes are there. -+ */ -+ -+ struct yaffs_tnode *tn; -+ struct yaffs_dev *dev = in->my_dev; -+ int existing_cunk; -+ struct yaffs_ext_tags existing_tags; -+ struct yaffs_ext_tags new_tags; -+ unsigned existing_serial, new_serial; -+ -+ if (in->variant_type != YAFFS_OBJECT_TYPE_FILE) { -+ /* Just ignore an attempt at putting a chunk into a non-file -+ * during scanning. -+ * If it is not during Scanning then something went wrong! -+ */ -+ if (!in_scan) { -+ yaffs_trace(YAFFS_TRACE_ERROR, -+ "yaffs tragedy:attempt to put data chunk into a non-file" -+ ); -+ BUG(); -+ } -+ -+ yaffs_chunk_del(dev, nand_chunk, 1, __LINE__); -+ return YAFFS_OK; -+ } -+ -+ tn = yaffs_add_find_tnode_0(dev, -+ &in->variant.file_variant, -+ inode_chunk, NULL); -+ if (!tn) -+ return YAFFS_FAIL; -+ -+ if (!nand_chunk) -+ /* Dummy insert, bail now */ -+ return YAFFS_OK; -+ -+ existing_cunk = yaffs_get_group_base(dev, tn, inode_chunk); -+ -+ if (in_scan != 0) { -+ /* If we're scanning then we need to test for duplicates -+ * NB This does not need to be efficient since it should only -+ * happen when the power fails during a write, then only one -+ * chunk should ever be affected. -+ * -+ * Correction for YAFFS2: This could happen quite a lot and we -+ * need to think about efficiency! TODO -+ * Update: For backward scanning we don't need to re-read tags -+ * so this is quite cheap. -+ */ -+ -+ if (existing_cunk > 0) { -+ /* NB Right now existing chunk will not be real -+ * chunk_id if the chunk group size > 1 -+ * thus we have to do a FindChunkInFile to get the -+ * real chunk id. -+ * -+ * We have a duplicate now we need to decide which -+ * one to use: -+ * -+ * Backwards scanning YAFFS2: The old one is what -+ * we use, dump the new one. -+ * YAFFS1: Get both sets of tags and compare serial -+ * numbers. -+ */ -+ -+ if (in_scan > 0) { -+ /* Only do this for forward scanning */ -+ yaffs_rd_chunk_tags_nand(dev, -+ nand_chunk, -+ NULL, &new_tags); -+ -+ /* Do a proper find */ -+ existing_cunk = -+ yaffs_find_chunk_in_file(in, inode_chunk, -+ &existing_tags); -+ } -+ -+ if (existing_cunk <= 0) { -+ /*Hoosterman - how did this happen? */ -+ -+ yaffs_trace(YAFFS_TRACE_ERROR, -+ "yaffs tragedy: existing chunk < 0 in scan" -+ ); -+ -+ } -+ -+ /* NB The deleted flags should be false, otherwise -+ * the chunks will not be loaded during a scan -+ */ -+ -+ if (in_scan > 0) { -+ new_serial = new_tags.serial_number; -+ existing_serial = existing_tags.serial_number; -+ } -+ -+ if ((in_scan > 0) && -+ (existing_cunk <= 0 || -+ ((existing_serial + 1) & 3) == new_serial)) { -+ /* Forward scanning. -+ * Use new -+ * Delete the old one and drop through to -+ * update the tnode -+ */ -+ yaffs_chunk_del(dev, existing_cunk, 1, -+ __LINE__); -+ } else { -+ /* Backward scanning or we want to use the -+ * existing one -+ * Delete the new one and return early so that -+ * the tnode isn't changed -+ */ -+ yaffs_chunk_del(dev, nand_chunk, 1, __LINE__); -+ return YAFFS_OK; -+ } -+ } -+ -+ } -+ -+ if (existing_cunk == 0) -+ in->n_data_chunks++; -+ -+ yaffs_load_tnode_0(dev, tn, inode_chunk, nand_chunk); -+ -+ return YAFFS_OK; -+} -+ -+static void yaffs_soft_del_chunk(struct yaffs_dev *dev, int chunk) -+{ -+ struct yaffs_block_info *the_block; -+ unsigned block_no; -+ -+ yaffs_trace(YAFFS_TRACE_DELETION, "soft delete chunk %d", chunk); -+ -+ block_no = chunk / dev->param.chunks_per_block; -+ the_block = yaffs_get_block_info(dev, block_no); -+ if (the_block) { -+ the_block->soft_del_pages++; -+ dev->n_free_chunks++; -+ yaffs2_update_oldest_dirty_seq(dev, block_no, the_block); -+ } -+} -+ -+/* SoftDeleteWorker scans backwards through the tnode tree and soft deletes all -+ * the chunks in the file. -+ * All soft deleting does is increment the block's softdelete count and pulls -+ * the chunk out of the tnode. -+ * Thus, essentially this is the same as DeleteWorker except that the chunks -+ * are soft deleted. -+ */ -+ -+static int yaffs_soft_del_worker(struct yaffs_obj *in, struct yaffs_tnode *tn, -+ u32 level, int chunk_offset) -+{ -+ int i; -+ int the_chunk; -+ int all_done = 1; -+ struct yaffs_dev *dev = in->my_dev; -+ -+ if (!tn) -+ return 1; -+ -+ if (level > 0) { -+ for (i = YAFFS_NTNODES_INTERNAL - 1; -+ all_done && i >= 0; -+ i--) { -+ if (tn->internal[i]) { -+ all_done = -+ yaffs_soft_del_worker(in, -+ tn->internal[i], -+ level - 1, -+ (chunk_offset << -+ YAFFS_TNODES_INTERNAL_BITS) -+ + i); -+ if (all_done) { -+ yaffs_free_tnode(dev, -+ tn->internal[i]); -+ tn->internal[i] = NULL; -+ } else { -+ /* Can this happen? */ -+ } -+ } -+ } -+ return (all_done) ? 1 : 0; -+ } -+ -+ /* level 0 */ -+ for (i = YAFFS_NTNODES_LEVEL0 - 1; i >= 0; i--) { -+ the_chunk = yaffs_get_group_base(dev, tn, i); -+ if (the_chunk) { -+ yaffs_soft_del_chunk(dev, the_chunk); -+ yaffs_load_tnode_0(dev, tn, i, 0); -+ } -+ } -+ return 1; -+} -+ -+static void yaffs_remove_obj_from_dir(struct yaffs_obj *obj) -+{ -+ struct yaffs_dev *dev = obj->my_dev; -+ struct yaffs_obj *parent; -+ -+ yaffs_verify_obj_in_dir(obj); -+ parent = obj->parent; -+ -+ yaffs_verify_dir(parent); -+ -+ if (dev && dev->param.remove_obj_fn) -+ dev->param.remove_obj_fn(obj); -+ -+ list_del_init(&obj->siblings); -+ obj->parent = NULL; -+ -+ yaffs_verify_dir(parent); -+} -+ -+void yaffs_add_obj_to_dir(struct yaffs_obj *directory, struct yaffs_obj *obj) -+{ -+ if (!directory) { -+ yaffs_trace(YAFFS_TRACE_ALWAYS, -+ "tragedy: Trying to add an object to a null pointer directory" -+ ); -+ BUG(); -+ return; -+ } -+ if (directory->variant_type != YAFFS_OBJECT_TYPE_DIRECTORY) { -+ yaffs_trace(YAFFS_TRACE_ALWAYS, -+ "tragedy: Trying to add an object to a non-directory" -+ ); -+ BUG(); -+ } -+ -+ if (obj->siblings.prev == NULL) { -+ /* Not initialised */ -+ BUG(); -+ } -+ -+ yaffs_verify_dir(directory); -+ -+ yaffs_remove_obj_from_dir(obj); -+ -+ /* Now add it */ -+ list_add(&obj->siblings, &directory->variant.dir_variant.children); -+ obj->parent = directory; -+ -+ if (directory == obj->my_dev->unlinked_dir -+ || directory == obj->my_dev->del_dir) { -+ obj->unlinked = 1; -+ obj->my_dev->n_unlinked_files++; -+ obj->rename_allowed = 0; -+ } -+ -+ yaffs_verify_dir(directory); -+ yaffs_verify_obj_in_dir(obj); -+} -+ -+static int yaffs_change_obj_name(struct yaffs_obj *obj, -+ struct yaffs_obj *new_dir, -+ const YCHAR *new_name, int force, int shadows) -+{ -+ int unlink_op; -+ int del_op; -+ struct yaffs_obj *existing_target; -+ -+ if (new_dir == NULL) -+ new_dir = obj->parent; /* use the old directory */ -+ -+ if (new_dir->variant_type != YAFFS_OBJECT_TYPE_DIRECTORY) { -+ yaffs_trace(YAFFS_TRACE_ALWAYS, -+ "tragedy: yaffs_change_obj_name: new_dir is not a directory" -+ ); -+ BUG(); -+ } -+ -+ unlink_op = (new_dir == obj->my_dev->unlinked_dir); -+ del_op = (new_dir == obj->my_dev->del_dir); -+ -+ existing_target = yaffs_find_by_name(new_dir, new_name); -+ -+ /* If the object is a file going into the unlinked directory, -+ * then it is OK to just stuff it in since duplicate names are OK. -+ * else only proceed if the new name does not exist and we're putting -+ * it into a directory. -+ */ -+ if (!(unlink_op || del_op || force || -+ shadows > 0 || !existing_target) || -+ new_dir->variant_type != YAFFS_OBJECT_TYPE_DIRECTORY) -+ return YAFFS_FAIL; -+ -+ yaffs_set_obj_name(obj, new_name); -+ obj->dirty = 1; -+ yaffs_add_obj_to_dir(new_dir, obj); -+ -+ if (unlink_op) -+ obj->unlinked = 1; -+ -+ /* If it is a deletion then we mark it as a shrink for gc */ -+ if (yaffs_update_oh(obj, new_name, 0, del_op, shadows, NULL) >= 0) -+ return YAFFS_OK; -+ -+ return YAFFS_FAIL; -+} -+ -+/*------------------------ Short Operations Cache ------------------------------ -+ * In many situations where there is no high level buffering a lot of -+ * reads might be short sequential reads, and a lot of writes may be short -+ * sequential writes. eg. scanning/writing a jpeg file. -+ * In these cases, a short read/write cache can provide a huge perfomance -+ * benefit with dumb-as-a-rock code. -+ * In Linux, the page cache provides read buffering and the short op cache -+ * provides write buffering. -+ * -+ * There are a small number (~10) of cache chunks per device so that we don't -+ * need a very intelligent search. -+ */ -+ -+static int yaffs_obj_cache_dirty(struct yaffs_obj *obj) -+{ -+ struct yaffs_dev *dev = obj->my_dev; -+ int i; -+ struct yaffs_cache *cache; -+ int n_caches = obj->my_dev->param.n_caches; -+ -+ for (i = 0; i < n_caches; i++) { -+ cache = &dev->cache[i]; -+ if (cache->object == obj && cache->dirty) -+ return 1; -+ } -+ -+ return 0; -+} -+ -+static void yaffs_flush_file_cache(struct yaffs_obj *obj) -+{ -+ struct yaffs_dev *dev = obj->my_dev; -+ int lowest = -99; /* Stop compiler whining. */ -+ int i; -+ struct yaffs_cache *cache; -+ int chunk_written = 0; -+ int n_caches = obj->my_dev->param.n_caches; -+ -+ if (n_caches < 1) -+ return; -+ do { -+ cache = NULL; -+ -+ /* Find the lowest dirty chunk for this object */ -+ for (i = 0; i < n_caches; i++) { -+ if (dev->cache[i].object == obj && -+ dev->cache[i].dirty) { -+ if (!cache || -+ dev->cache[i].chunk_id < lowest) { -+ cache = &dev->cache[i]; -+ lowest = cache->chunk_id; -+ } -+ } -+ } -+ -+ if (cache && !cache->locked) { -+ /* Write it out and free it up */ -+ chunk_written = -+ yaffs_wr_data_obj(cache->object, -+ cache->chunk_id, -+ cache->data, -+ cache->n_bytes, 1); -+ cache->dirty = 0; -+ cache->object = NULL; -+ } -+ } while (cache && chunk_written > 0); -+ -+ if (cache) -+ /* Hoosterman, disk full while writing cache out. */ -+ yaffs_trace(YAFFS_TRACE_ERROR, -+ "yaffs tragedy: no space during cache write"); -+} -+ -+/*yaffs_flush_whole_cache(dev) -+ * -+ * -+ */ -+ -+void yaffs_flush_whole_cache(struct yaffs_dev *dev) -+{ -+ struct yaffs_obj *obj; -+ int n_caches = dev->param.n_caches; -+ int i; -+ -+ /* Find a dirty object in the cache and flush it... -+ * until there are no further dirty objects. -+ */ -+ do { -+ obj = NULL; -+ for (i = 0; i < n_caches && !obj; i++) { -+ if (dev->cache[i].object && dev->cache[i].dirty) -+ obj = dev->cache[i].object; -+ } -+ if (obj) -+ yaffs_flush_file_cache(obj); -+ } while (obj); -+ -+} -+ -+/* Grab us a cache chunk for use. -+ * First look for an empty one. -+ * Then look for the least recently used non-dirty one. -+ * Then look for the least recently used dirty one...., flush and look again. -+ */ -+static struct yaffs_cache *yaffs_grab_chunk_worker(struct yaffs_dev *dev) -+{ -+ int i; -+ -+ if (dev->param.n_caches > 0) { -+ for (i = 0; i < dev->param.n_caches; i++) { -+ if (!dev->cache[i].object) -+ return &dev->cache[i]; -+ } -+ } -+ return NULL; -+} -+ -+static struct yaffs_cache *yaffs_grab_chunk_cache(struct yaffs_dev *dev) -+{ -+ struct yaffs_cache *cache; -+ struct yaffs_obj *the_obj; -+ int usage; -+ int i; -+ int pushout; -+ -+ if (dev->param.n_caches < 1) -+ return NULL; -+ -+ /* Try find a non-dirty one... */ -+ -+ cache = yaffs_grab_chunk_worker(dev); -+ -+ if (!cache) { -+ /* They were all dirty, find the LRU object and flush -+ * its cache, then find again. -+ * NB what's here is not very accurate, -+ * we actually flush the object with the LRU chunk. -+ */ -+ -+ /* With locking we can't assume we can use entry zero, -+ * Set the_obj to a valid pointer for Coverity. */ -+ the_obj = dev->cache[0].object; -+ usage = -1; -+ cache = NULL; -+ pushout = -1; -+ -+ for (i = 0; i < dev->param.n_caches; i++) { -+ if (dev->cache[i].object && -+ !dev->cache[i].locked && -+ (dev->cache[i].last_use < usage || -+ !cache)) { -+ usage = dev->cache[i].last_use; -+ the_obj = dev->cache[i].object; -+ cache = &dev->cache[i]; -+ pushout = i; -+ } -+ } -+ -+ if (!cache || cache->dirty) { -+ /* Flush and try again */ -+ yaffs_flush_file_cache(the_obj); -+ cache = yaffs_grab_chunk_worker(dev); -+ } -+ } -+ return cache; -+} -+ -+/* Find a cached chunk */ -+static struct yaffs_cache *yaffs_find_chunk_cache(const struct yaffs_obj *obj, -+ int chunk_id) -+{ -+ struct yaffs_dev *dev = obj->my_dev; -+ int i; -+ -+ if (dev->param.n_caches < 1) -+ return NULL; -+ -+ for (i = 0; i < dev->param.n_caches; i++) { -+ if (dev->cache[i].object == obj && -+ dev->cache[i].chunk_id == chunk_id) { -+ dev->cache_hits++; -+ -+ return &dev->cache[i]; -+ } -+ } -+ return NULL; -+} -+ -+/* Mark the chunk for the least recently used algorithym */ -+static void yaffs_use_cache(struct yaffs_dev *dev, struct yaffs_cache *cache, -+ int is_write) -+{ -+ int i; -+ -+ if (dev->param.n_caches < 1) -+ return; -+ -+ if (dev->cache_last_use < 0 || -+ dev->cache_last_use > 100000000) { -+ /* Reset the cache usages */ -+ for (i = 1; i < dev->param.n_caches; i++) -+ dev->cache[i].last_use = 0; -+ -+ dev->cache_last_use = 0; -+ } -+ dev->cache_last_use++; -+ cache->last_use = dev->cache_last_use; -+ -+ if (is_write) -+ cache->dirty = 1; -+} -+ -+/* Invalidate a single cache page. -+ * Do this when a whole page gets written, -+ * ie the short cache for this page is no longer valid. -+ */ -+static void yaffs_invalidate_chunk_cache(struct yaffs_obj *object, int chunk_id) -+{ -+ struct yaffs_cache *cache; -+ -+ if (object->my_dev->param.n_caches > 0) { -+ cache = yaffs_find_chunk_cache(object, chunk_id); -+ -+ if (cache) -+ cache->object = NULL; -+ } -+} -+ -+/* Invalidate all the cache pages associated with this object -+ * Do this whenever ther file is deleted or resized. -+ */ -+static void yaffs_invalidate_whole_cache(struct yaffs_obj *in) -+{ -+ int i; -+ struct yaffs_dev *dev = in->my_dev; -+ -+ if (dev->param.n_caches > 0) { -+ /* Invalidate it. */ -+ for (i = 0; i < dev->param.n_caches; i++) { -+ if (dev->cache[i].object == in) -+ dev->cache[i].object = NULL; -+ } -+ } -+} -+ -+static void yaffs_unhash_obj(struct yaffs_obj *obj) -+{ -+ int bucket; -+ struct yaffs_dev *dev = obj->my_dev; -+ -+ /* If it is still linked into the bucket list, free from the list */ -+ if (!list_empty(&obj->hash_link)) { -+ list_del_init(&obj->hash_link); -+ bucket = yaffs_hash_fn(obj->obj_id); -+ dev->obj_bucket[bucket].count--; -+ } -+} -+ -+/* FreeObject frees up a Object and puts it back on the free list */ -+static void yaffs_free_obj(struct yaffs_obj *obj) -+{ -+ struct yaffs_dev *dev; -+ -+ if (!obj) { -+ BUG(); -+ return; -+ } -+ dev = obj->my_dev; -+ yaffs_trace(YAFFS_TRACE_OS, "FreeObject %p inode %p", -+ obj, obj->my_inode); -+ if (obj->parent) -+ BUG(); -+ if (!list_empty(&obj->siblings)) -+ BUG(); -+ -+ if (obj->my_inode) { -+ /* We're still hooked up to a cached inode. -+ * Don't delete now, but mark for later deletion -+ */ -+ obj->defered_free = 1; -+ return; -+ } -+ -+ yaffs_unhash_obj(obj); -+ -+ yaffs_free_raw_obj(dev, obj); -+ dev->n_obj--; -+ dev->checkpoint_blocks_required = 0; /* force recalculation */ -+} -+ -+void yaffs_handle_defered_free(struct yaffs_obj *obj) -+{ -+ if (obj->defered_free) -+ yaffs_free_obj(obj); -+} -+ -+static int yaffs_generic_obj_del(struct yaffs_obj *in) -+{ -+ /* Iinvalidate the file's data in the cache, without flushing. */ -+ yaffs_invalidate_whole_cache(in); -+ -+ if (in->my_dev->param.is_yaffs2 && in->parent != in->my_dev->del_dir) { -+ /* Move to unlinked directory so we have a deletion record */ -+ yaffs_change_obj_name(in, in->my_dev->del_dir, _Y("deleted"), 0, -+ 0); -+ } -+ -+ yaffs_remove_obj_from_dir(in); -+ yaffs_chunk_del(in->my_dev, in->hdr_chunk, 1, __LINE__); -+ in->hdr_chunk = 0; -+ -+ yaffs_free_obj(in); -+ return YAFFS_OK; -+ -+} -+ -+static void yaffs_soft_del_file(struct yaffs_obj *obj) -+{ -+ if (!obj->deleted || -+ obj->variant_type != YAFFS_OBJECT_TYPE_FILE || -+ obj->soft_del) -+ return; -+ -+ if (obj->n_data_chunks <= 0) { -+ /* Empty file with no duplicate object headers, -+ * just delete it immediately */ -+ yaffs_free_tnode(obj->my_dev, obj->variant.file_variant.top); -+ obj->variant.file_variant.top = NULL; -+ yaffs_trace(YAFFS_TRACE_TRACING, -+ "yaffs: Deleting empty file %d", -+ obj->obj_id); -+ yaffs_generic_obj_del(obj); -+ } else { -+ yaffs_soft_del_worker(obj, -+ obj->variant.file_variant.top, -+ obj->variant. -+ file_variant.top_level, 0); -+ obj->soft_del = 1; -+ } -+} -+ -+/* Pruning removes any part of the file structure tree that is beyond the -+ * bounds of the file (ie that does not point to chunks). -+ * -+ * A file should only get pruned when its size is reduced. -+ * -+ * Before pruning, the chunks must be pulled from the tree and the -+ * level 0 tnode entries must be zeroed out. -+ * Could also use this for file deletion, but that's probably better handled -+ * by a special case. -+ * -+ * This function is recursive. For levels > 0 the function is called again on -+ * any sub-tree. For level == 0 we just check if the sub-tree has data. -+ * If there is no data in a subtree then it is pruned. -+ */ -+ -+static struct yaffs_tnode *yaffs_prune_worker(struct yaffs_dev *dev, -+ struct yaffs_tnode *tn, u32 level, -+ int del0) -+{ -+ int i; -+ int has_data; -+ -+ if (!tn) -+ return tn; -+ -+ has_data = 0; -+ -+ if (level > 0) { -+ for (i = 0; i < YAFFS_NTNODES_INTERNAL; i++) { -+ if (tn->internal[i]) { -+ tn->internal[i] = -+ yaffs_prune_worker(dev, -+ tn->internal[i], -+ level - 1, -+ (i == 0) ? del0 : 1); -+ } -+ -+ if (tn->internal[i]) -+ has_data++; -+ } -+ } else { -+ int tnode_size_u32 = dev->tnode_size / sizeof(u32); -+ u32 *map = (u32 *) tn; -+ -+ for (i = 0; !has_data && i < tnode_size_u32; i++) { -+ if (map[i]) -+ has_data++; -+ } -+ } -+ -+ if (has_data == 0 && del0) { -+ /* Free and return NULL */ -+ yaffs_free_tnode(dev, tn); -+ tn = NULL; -+ } -+ return tn; -+} -+ -+static int yaffs_prune_tree(struct yaffs_dev *dev, -+ struct yaffs_file_var *file_struct) -+{ -+ int i; -+ int has_data; -+ int done = 0; -+ struct yaffs_tnode *tn; -+ -+ if (file_struct->top_level < 1) -+ return YAFFS_OK; -+ -+ file_struct->top = -+ yaffs_prune_worker(dev, file_struct->top, file_struct->top_level, 0); -+ -+ /* Now we have a tree with all the non-zero branches NULL but -+ * the height is the same as it was. -+ * Let's see if we can trim internal tnodes to shorten the tree. -+ * We can do this if only the 0th element in the tnode is in use -+ * (ie all the non-zero are NULL) -+ */ -+ -+ while (file_struct->top_level && !done) { -+ tn = file_struct->top; -+ -+ has_data = 0; -+ for (i = 1; i < YAFFS_NTNODES_INTERNAL; i++) { -+ if (tn->internal[i]) -+ has_data++; -+ } -+ -+ if (!has_data) { -+ file_struct->top = tn->internal[0]; -+ file_struct->top_level--; -+ yaffs_free_tnode(dev, tn); -+ } else { -+ done = 1; -+ } -+ } -+ -+ return YAFFS_OK; -+} -+ -+/*-------------------- End of File Structure functions.-------------------*/ -+ -+/* alloc_empty_obj gets us a clean Object.*/ -+static struct yaffs_obj *yaffs_alloc_empty_obj(struct yaffs_dev *dev) -+{ -+ struct yaffs_obj *obj = yaffs_alloc_raw_obj(dev); -+ -+ if (!obj) -+ return obj; -+ -+ dev->n_obj++; -+ -+ /* Now sweeten it up... */ -+ -+ memset(obj, 0, sizeof(struct yaffs_obj)); -+ obj->being_created = 1; -+ -+ obj->my_dev = dev; -+ obj->hdr_chunk = 0; -+ obj->variant_type = YAFFS_OBJECT_TYPE_UNKNOWN; -+ INIT_LIST_HEAD(&(obj->hard_links)); -+ INIT_LIST_HEAD(&(obj->hash_link)); -+ INIT_LIST_HEAD(&obj->siblings); -+ -+ /* Now make the directory sane */ -+ if (dev->root_dir) { -+ obj->parent = dev->root_dir; -+ list_add(&(obj->siblings), -+ &dev->root_dir->variant.dir_variant.children); -+ } -+ -+ /* Add it to the lost and found directory. -+ * NB Can't put root or lost-n-found in lost-n-found so -+ * check if lost-n-found exists first -+ */ -+ if (dev->lost_n_found) -+ yaffs_add_obj_to_dir(dev->lost_n_found, obj); -+ -+ obj->being_created = 0; -+ -+ dev->checkpoint_blocks_required = 0; /* force recalculation */ -+ -+ return obj; -+} -+ -+static int yaffs_find_nice_bucket(struct yaffs_dev *dev) -+{ -+ int i; -+ int l = 999; -+ int lowest = 999999; -+ -+ /* Search for the shortest list or one that -+ * isn't too long. -+ */ -+ -+ for (i = 0; i < 10 && lowest > 4; i++) { -+ dev->bucket_finder++; -+ dev->bucket_finder %= YAFFS_NOBJECT_BUCKETS; -+ if (dev->obj_bucket[dev->bucket_finder].count < lowest) { -+ lowest = dev->obj_bucket[dev->bucket_finder].count; -+ l = dev->bucket_finder; -+ } -+ } -+ -+ return l; -+} -+ -+static int yaffs_new_obj_id(struct yaffs_dev *dev) -+{ -+ int bucket = yaffs_find_nice_bucket(dev); -+ int found = 0; -+ struct list_head *i; -+ u32 n = (u32) bucket; -+ -+ /* Now find an object value that has not already been taken -+ * by scanning the list. -+ */ -+ -+ while (!found) { -+ found = 1; -+ n += YAFFS_NOBJECT_BUCKETS; -+ if (1 || dev->obj_bucket[bucket].count > 0) { -+ list_for_each(i, &dev->obj_bucket[bucket].list) { -+ /* If there is already one in the list */ -+ if (i && list_entry(i, struct yaffs_obj, -+ hash_link)->obj_id == n) { -+ found = 0; -+ } -+ } -+ } -+ } -+ return n; -+} -+ -+static void yaffs_hash_obj(struct yaffs_obj *in) -+{ -+ int bucket = yaffs_hash_fn(in->obj_id); -+ struct yaffs_dev *dev = in->my_dev; -+ -+ list_add(&in->hash_link, &dev->obj_bucket[bucket].list); -+ dev->obj_bucket[bucket].count++; -+} -+ -+struct yaffs_obj *yaffs_find_by_number(struct yaffs_dev *dev, u32 number) -+{ -+ int bucket = yaffs_hash_fn(number); -+ struct list_head *i; -+ struct yaffs_obj *in; -+ -+ list_for_each(i, &dev->obj_bucket[bucket].list) { -+ /* Look if it is in the list */ -+ in = list_entry(i, struct yaffs_obj, hash_link); -+ if (in->obj_id == number) { -+ /* Don't show if it is defered free */ -+ if (in->defered_free) -+ return NULL; -+ return in; -+ } -+ } -+ -+ return NULL; -+} -+ -+static struct yaffs_obj *yaffs_new_obj(struct yaffs_dev *dev, int number, -+ enum yaffs_obj_type type) -+{ -+ struct yaffs_obj *the_obj = NULL; -+ struct yaffs_tnode *tn = NULL; -+ -+ if (number < 0) -+ number = yaffs_new_obj_id(dev); -+ -+ if (type == YAFFS_OBJECT_TYPE_FILE) { -+ tn = yaffs_get_tnode(dev); -+ if (!tn) -+ return NULL; -+ } -+ -+ the_obj = yaffs_alloc_empty_obj(dev); -+ if (!the_obj) { -+ if (tn) -+ yaffs_free_tnode(dev, tn); -+ return NULL; -+ } -+ -+ the_obj->fake = 0; -+ the_obj->rename_allowed = 1; -+ the_obj->unlink_allowed = 1; -+ the_obj->obj_id = number; -+ yaffs_hash_obj(the_obj); -+ the_obj->variant_type = type; -+ yaffs_load_current_time(the_obj, 1, 1); -+ -+ switch (type) { -+ case YAFFS_OBJECT_TYPE_FILE: -+ the_obj->variant.file_variant.file_size = 0; -+ the_obj->variant.file_variant.scanned_size = 0; -+ the_obj->variant.file_variant.shrink_size = -+ yaffs_max_file_size(dev); -+ the_obj->variant.file_variant.top_level = 0; -+ the_obj->variant.file_variant.top = tn; -+ break; -+ case YAFFS_OBJECT_TYPE_DIRECTORY: -+ INIT_LIST_HEAD(&the_obj->variant.dir_variant.children); -+ INIT_LIST_HEAD(&the_obj->variant.dir_variant.dirty); -+ break; -+ case YAFFS_OBJECT_TYPE_SYMLINK: -+ case YAFFS_OBJECT_TYPE_HARDLINK: -+ case YAFFS_OBJECT_TYPE_SPECIAL: -+ /* No action required */ -+ break; -+ case YAFFS_OBJECT_TYPE_UNKNOWN: -+ /* todo this should not happen */ -+ break; -+ } -+ return the_obj; -+} -+ -+static struct yaffs_obj *yaffs_create_fake_dir(struct yaffs_dev *dev, -+ int number, u32 mode) -+{ -+ -+ struct yaffs_obj *obj = -+ yaffs_new_obj(dev, number, YAFFS_OBJECT_TYPE_DIRECTORY); -+ -+ if (!obj) -+ return NULL; -+ -+ obj->fake = 1; /* it is fake so it might not use NAND */ -+ obj->rename_allowed = 0; -+ obj->unlink_allowed = 0; -+ obj->deleted = 0; -+ obj->unlinked = 0; -+ obj->yst_mode = mode; -+ obj->my_dev = dev; -+ obj->hdr_chunk = 0; /* Not a valid chunk. */ -+ return obj; -+ -+} -+ -+ -+static void yaffs_init_tnodes_and_objs(struct yaffs_dev *dev) -+{ -+ int i; -+ -+ dev->n_obj = 0; -+ dev->n_tnodes = 0; -+ yaffs_init_raw_tnodes_and_objs(dev); -+ -+ for (i = 0; i < YAFFS_NOBJECT_BUCKETS; i++) { -+ INIT_LIST_HEAD(&dev->obj_bucket[i].list); -+ dev->obj_bucket[i].count = 0; -+ } -+} -+ -+struct yaffs_obj *yaffs_find_or_create_by_number(struct yaffs_dev *dev, -+ int number, -+ enum yaffs_obj_type type) -+{ -+ struct yaffs_obj *the_obj = NULL; -+ -+ if (number > 0) -+ the_obj = yaffs_find_by_number(dev, number); -+ -+ if (!the_obj) -+ the_obj = yaffs_new_obj(dev, number, type); -+ -+ return the_obj; -+ -+} -+ -+YCHAR *yaffs_clone_str(const YCHAR *str) -+{ -+ YCHAR *new_str = NULL; -+ int len; -+ -+ if (!str) -+ str = _Y(""); -+ -+ len = strnlen(str, YAFFS_MAX_ALIAS_LENGTH); -+ new_str = kmalloc((len + 1) * sizeof(YCHAR), GFP_NOFS); -+ if (new_str) { -+ strncpy(new_str, str, len); -+ new_str[len] = 0; -+ } -+ return new_str; -+ -+} -+/* -+ *yaffs_update_parent() handles fixing a directories mtime and ctime when a new -+ * link (ie. name) is created or deleted in the directory. -+ * -+ * ie. -+ * create dir/a : update dir's mtime/ctime -+ * rm dir/a: update dir's mtime/ctime -+ * modify dir/a: don't update dir's mtimme/ctime -+ * -+ * This can be handled immediately or defered. Defering helps reduce the number -+ * of updates when many files in a directory are changed within a brief period. -+ * -+ * If the directory updating is defered then yaffs_update_dirty_dirs must be -+ * called periodically. -+ */ -+ -+static void yaffs_update_parent(struct yaffs_obj *obj) -+{ -+ struct yaffs_dev *dev; -+ -+ if (!obj) -+ return; -+ dev = obj->my_dev; -+ obj->dirty = 1; -+ yaffs_load_current_time(obj, 0, 1); -+ if (dev->param.defered_dir_update) { -+ struct list_head *link = &obj->variant.dir_variant.dirty; -+ -+ if (list_empty(link)) { -+ list_add(link, &dev->dirty_dirs); -+ yaffs_trace(YAFFS_TRACE_BACKGROUND, -+ "Added object %d to dirty directories", -+ obj->obj_id); -+ } -+ -+ } else { -+ yaffs_update_oh(obj, NULL, 0, 0, 0, NULL); -+ } -+} -+ -+void yaffs_update_dirty_dirs(struct yaffs_dev *dev) -+{ -+ struct list_head *link; -+ struct yaffs_obj *obj; -+ struct yaffs_dir_var *d_s; -+ union yaffs_obj_var *o_v; -+ -+ yaffs_trace(YAFFS_TRACE_BACKGROUND, "Update dirty directories"); -+ -+ while (!list_empty(&dev->dirty_dirs)) { -+ link = dev->dirty_dirs.next; -+ list_del_init(link); -+ -+ d_s = list_entry(link, struct yaffs_dir_var, dirty); -+ o_v = list_entry(d_s, union yaffs_obj_var, dir_variant); -+ obj = list_entry(o_v, struct yaffs_obj, variant); -+ -+ yaffs_trace(YAFFS_TRACE_BACKGROUND, "Update directory %d", -+ obj->obj_id); -+ -+ if (obj->dirty) -+ yaffs_update_oh(obj, NULL, 0, 0, 0, NULL); -+ } -+} -+ -+/* -+ * Mknod (create) a new object. -+ * equiv_obj only has meaning for a hard link; -+ * alias_str only has meaning for a symlink. -+ * rdev only has meaning for devices (a subset of special objects) -+ */ -+ -+static struct yaffs_obj *yaffs_create_obj(enum yaffs_obj_type type, -+ struct yaffs_obj *parent, -+ const YCHAR *name, -+ u32 mode, -+ u32 uid, -+ u32 gid, -+ struct yaffs_obj *equiv_obj, -+ const YCHAR *alias_str, u32 rdev) -+{ -+ struct yaffs_obj *in; -+ YCHAR *str = NULL; -+ struct yaffs_dev *dev = parent->my_dev; -+ -+ /* Check if the entry exists. -+ * If it does then fail the call since we don't want a dup. */ -+ if (yaffs_find_by_name(parent, name)) -+ return NULL; -+ -+ if (type == YAFFS_OBJECT_TYPE_SYMLINK) { -+ str = yaffs_clone_str(alias_str); -+ if (!str) -+ return NULL; -+ } -+ -+ in = yaffs_new_obj(dev, -1, type); -+ -+ if (!in) { -+ kfree(str); -+ return NULL; -+ } -+ -+ in->hdr_chunk = 0; -+ in->valid = 1; -+ in->variant_type = type; -+ -+ in->yst_mode = mode; -+ -+ yaffs_attribs_init(in, gid, uid, rdev); -+ -+ in->n_data_chunks = 0; -+ -+ yaffs_set_obj_name(in, name); -+ in->dirty = 1; -+ -+ yaffs_add_obj_to_dir(parent, in); -+ -+ in->my_dev = parent->my_dev; -+ -+ switch (type) { -+ case YAFFS_OBJECT_TYPE_SYMLINK: -+ in->variant.symlink_variant.alias = str; -+ break; -+ case YAFFS_OBJECT_TYPE_HARDLINK: -+ in->variant.hardlink_variant.equiv_obj = equiv_obj; -+ in->variant.hardlink_variant.equiv_id = equiv_obj->obj_id; -+ list_add(&in->hard_links, &equiv_obj->hard_links); -+ break; -+ case YAFFS_OBJECT_TYPE_FILE: -+ case YAFFS_OBJECT_TYPE_DIRECTORY: -+ case YAFFS_OBJECT_TYPE_SPECIAL: -+ case YAFFS_OBJECT_TYPE_UNKNOWN: -+ /* do nothing */ -+ break; -+ } -+ -+ if (yaffs_update_oh(in, name, 0, 0, 0, NULL) < 0) { -+ /* Could not create the object header, fail */ -+ yaffs_del_obj(in); -+ in = NULL; -+ } -+ -+ if (in) -+ yaffs_update_parent(parent); -+ -+ return in; -+} -+ -+struct yaffs_obj *yaffs_create_file(struct yaffs_obj *parent, -+ const YCHAR *name, u32 mode, u32 uid, -+ u32 gid) -+{ -+ return yaffs_create_obj(YAFFS_OBJECT_TYPE_FILE, parent, name, mode, -+ uid, gid, NULL, NULL, 0); -+} -+ -+struct yaffs_obj *yaffs_create_dir(struct yaffs_obj *parent, const YCHAR *name, -+ u32 mode, u32 uid, u32 gid) -+{ -+ return yaffs_create_obj(YAFFS_OBJECT_TYPE_DIRECTORY, parent, name, -+ mode, uid, gid, NULL, NULL, 0); -+} -+ -+struct yaffs_obj *yaffs_create_special(struct yaffs_obj *parent, -+ const YCHAR *name, u32 mode, u32 uid, -+ u32 gid, u32 rdev) -+{ -+ return yaffs_create_obj(YAFFS_OBJECT_TYPE_SPECIAL, parent, name, mode, -+ uid, gid, NULL, NULL, rdev); -+} -+ -+struct yaffs_obj *yaffs_create_symlink(struct yaffs_obj *parent, -+ const YCHAR *name, u32 mode, u32 uid, -+ u32 gid, const YCHAR *alias) -+{ -+ return yaffs_create_obj(YAFFS_OBJECT_TYPE_SYMLINK, parent, name, mode, -+ uid, gid, NULL, alias, 0); -+} -+ -+/* yaffs_link_obj returns the object id of the equivalent object.*/ -+struct yaffs_obj *yaffs_link_obj(struct yaffs_obj *parent, const YCHAR * name, -+ struct yaffs_obj *equiv_obj) -+{ -+ /* Get the real object in case we were fed a hard link obj */ -+ equiv_obj = yaffs_get_equivalent_obj(equiv_obj); -+ -+ if (yaffs_create_obj(YAFFS_OBJECT_TYPE_HARDLINK, -+ parent, name, 0, 0, 0, -+ equiv_obj, NULL, 0)) -+ return equiv_obj; -+ -+ return NULL; -+ -+} -+ -+ -+ -+/*---------------------- Block Management and Page Allocation -------------*/ -+ -+static void yaffs_deinit_blocks(struct yaffs_dev *dev) -+{ -+ if (dev->block_info_alt && dev->block_info) -+ vfree(dev->block_info); -+ else -+ kfree(dev->block_info); -+ -+ dev->block_info_alt = 0; -+ -+ dev->block_info = NULL; -+ -+ if (dev->chunk_bits_alt && dev->chunk_bits) -+ vfree(dev->chunk_bits); -+ else -+ kfree(dev->chunk_bits); -+ dev->chunk_bits_alt = 0; -+ dev->chunk_bits = NULL; -+} -+ -+static int yaffs_init_blocks(struct yaffs_dev *dev) -+{ -+ int n_blocks = dev->internal_end_block - dev->internal_start_block + 1; -+ -+ dev->block_info = NULL; -+ dev->chunk_bits = NULL; -+ dev->alloc_block = -1; /* force it to get a new one */ -+ -+ /* If the first allocation strategy fails, thry the alternate one */ -+ dev->block_info = -+ kmalloc(n_blocks * sizeof(struct yaffs_block_info), GFP_NOFS); -+ if (!dev->block_info) { -+ dev->block_info = -+ vmalloc(n_blocks * sizeof(struct yaffs_block_info)); -+ dev->block_info_alt = 1; -+ } else { -+ dev->block_info_alt = 0; -+ } -+ -+ if (!dev->block_info) -+ goto alloc_error; -+ -+ /* Set up dynamic blockinfo stuff. Round up bytes. */ -+ dev->chunk_bit_stride = (dev->param.chunks_per_block + 7) / 8; -+ dev->chunk_bits = -+ kmalloc(dev->chunk_bit_stride * n_blocks, GFP_NOFS); -+ if (!dev->chunk_bits) { -+ dev->chunk_bits = -+ vmalloc(dev->chunk_bit_stride * n_blocks); -+ dev->chunk_bits_alt = 1; -+ } else { -+ dev->chunk_bits_alt = 0; -+ } -+ if (!dev->chunk_bits) -+ goto alloc_error; -+ -+ -+ memset(dev->block_info, 0, n_blocks * sizeof(struct yaffs_block_info)); -+ memset(dev->chunk_bits, 0, dev->chunk_bit_stride * n_blocks); -+ return YAFFS_OK; -+ -+alloc_error: -+ yaffs_deinit_blocks(dev); -+ return YAFFS_FAIL; -+} -+ -+ -+void yaffs_block_became_dirty(struct yaffs_dev *dev, int block_no) -+{ -+ struct yaffs_block_info *bi = yaffs_get_block_info(dev, block_no); -+ int erased_ok = 0; -+ int i; -+ -+ /* If the block is still healthy erase it and mark as clean. -+ * If the block has had a data failure, then retire it. -+ */ -+ -+ yaffs_trace(YAFFS_TRACE_GC | YAFFS_TRACE_ERASE, -+ "yaffs_block_became_dirty block %d state %d %s", -+ block_no, bi->block_state, -+ (bi->needs_retiring) ? "needs retiring" : ""); -+ -+ yaffs2_clear_oldest_dirty_seq(dev, bi); -+ -+ bi->block_state = YAFFS_BLOCK_STATE_DIRTY; -+ -+ /* If this is the block being garbage collected then stop gc'ing */ -+ if (block_no == dev->gc_block) -+ dev->gc_block = 0; -+ -+ /* If this block is currently the best candidate for gc -+ * then drop as a candidate */ -+ if (block_no == dev->gc_dirtiest) { -+ dev->gc_dirtiest = 0; -+ dev->gc_pages_in_use = 0; -+ } -+ -+ if (!bi->needs_retiring) { -+ yaffs2_checkpt_invalidate(dev); -+ erased_ok = yaffs_erase_block(dev, block_no); -+ if (!erased_ok) { -+ dev->n_erase_failures++; -+ yaffs_trace(YAFFS_TRACE_ERROR | YAFFS_TRACE_BAD_BLOCKS, -+ "**>> Erasure failed %d", block_no); -+ } -+ } -+ -+ /* Verify erasure if needed */ -+ if (erased_ok && -+ ((yaffs_trace_mask & YAFFS_TRACE_ERASE) || -+ !yaffs_skip_verification(dev))) { -+ for (i = 0; i < dev->param.chunks_per_block; i++) { -+ if (!yaffs_check_chunk_erased(dev, -+ block_no * dev->param.chunks_per_block + i)) { -+ yaffs_trace(YAFFS_TRACE_ERROR, -+ ">>Block %d erasure supposedly OK, but chunk %d not erased", -+ block_no, i); -+ } -+ } -+ } -+ -+ if (!erased_ok) { -+ /* We lost a block of free space */ -+ dev->n_free_chunks -= dev->param.chunks_per_block; -+ yaffs_retire_block(dev, block_no); -+ yaffs_trace(YAFFS_TRACE_ERROR | YAFFS_TRACE_BAD_BLOCKS, -+ "**>> Block %d retired", block_no); -+ return; -+ } -+ -+ /* Clean it up... */ -+ bi->block_state = YAFFS_BLOCK_STATE_EMPTY; -+ bi->seq_number = 0; -+ dev->n_erased_blocks++; -+ bi->pages_in_use = 0; -+ bi->soft_del_pages = 0; -+ bi->has_shrink_hdr = 0; -+ bi->skip_erased_check = 1; /* Clean, so no need to check */ -+ bi->gc_prioritise = 0; -+ bi->has_summary = 0; -+ -+ yaffs_clear_chunk_bits(dev, block_no); -+ -+ yaffs_trace(YAFFS_TRACE_ERASE, "Erased block %d", block_no); -+} -+ -+static inline int yaffs_gc_process_chunk(struct yaffs_dev *dev, -+ struct yaffs_block_info *bi, -+ int old_chunk, u8 *buffer) -+{ -+ int new_chunk; -+ int mark_flash = 1; -+ struct yaffs_ext_tags tags; -+ struct yaffs_obj *object; -+ int matching_chunk; -+ int ret_val = YAFFS_OK; -+ -+ memset(&tags, 0, sizeof(tags)); -+ yaffs_rd_chunk_tags_nand(dev, old_chunk, -+ buffer, &tags); -+ object = yaffs_find_by_number(dev, tags.obj_id); -+ -+ yaffs_trace(YAFFS_TRACE_GC_DETAIL, -+ "Collecting chunk in block %d, %d %d %d ", -+ dev->gc_chunk, tags.obj_id, -+ tags.chunk_id, tags.n_bytes); -+ -+ if (object && !yaffs_skip_verification(dev)) { -+ if (tags.chunk_id == 0) -+ matching_chunk = -+ object->hdr_chunk; -+ else if (object->soft_del) -+ /* Defeat the test */ -+ matching_chunk = old_chunk; -+ else -+ matching_chunk = -+ yaffs_find_chunk_in_file -+ (object, tags.chunk_id, -+ NULL); -+ -+ if (old_chunk != matching_chunk) -+ yaffs_trace(YAFFS_TRACE_ERROR, -+ "gc: page in gc mismatch: %d %d %d %d", -+ old_chunk, -+ matching_chunk, -+ tags.obj_id, -+ tags.chunk_id); -+ } -+ -+ if (!object) { -+ yaffs_trace(YAFFS_TRACE_ERROR, -+ "page %d in gc has no object: %d %d %d ", -+ old_chunk, -+ tags.obj_id, tags.chunk_id, -+ tags.n_bytes); -+ } -+ -+ if (object && -+ object->deleted && -+ object->soft_del && tags.chunk_id != 0) { -+ /* Data chunk in a soft deleted file, -+ * throw it away. -+ * It's a soft deleted data chunk, -+ * No need to copy this, just forget -+ * about it and fix up the object. -+ */ -+ -+ /* Free chunks already includes -+ * softdeleted chunks, how ever this -+ * chunk is going to soon be really -+ * deleted which will increment free -+ * chunks. We have to decrement free -+ * chunks so this works out properly. -+ */ -+ dev->n_free_chunks--; -+ bi->soft_del_pages--; -+ -+ object->n_data_chunks--; -+ if (object->n_data_chunks <= 0) { -+ /* remeber to clean up obj */ -+ dev->gc_cleanup_list[dev->n_clean_ups] = tags.obj_id; -+ dev->n_clean_ups++; -+ } -+ mark_flash = 0; -+ } else if (object) { -+ /* It's either a data chunk in a live -+ * file or an ObjectHeader, so we're -+ * interested in it. -+ * NB Need to keep the ObjectHeaders of -+ * deleted files until the whole file -+ * has been deleted off -+ */ -+ tags.serial_number++; -+ dev->n_gc_copies++; -+ -+ if (tags.chunk_id == 0) { -+ /* It is an object Id, -+ * We need to nuke the -+ * shrinkheader flags since its -+ * work is done. -+ * Also need to clean up -+ * shadowing. -+ */ -+ struct yaffs_obj_hdr *oh; -+ oh = (struct yaffs_obj_hdr *) buffer; -+ -+ oh->is_shrink = 0; -+ tags.extra_is_shrink = 0; -+ oh->shadows_obj = 0; -+ oh->inband_shadowed_obj_id = 0; -+ tags.extra_shadows = 0; -+ -+ /* Update file size */ -+ if (object->variant_type == YAFFS_OBJECT_TYPE_FILE) { -+ yaffs_oh_size_load(oh, -+ object->variant.file_variant.file_size); -+ tags.extra_file_size = -+ object->variant.file_variant.file_size; -+ } -+ -+ yaffs_verify_oh(object, oh, &tags, 1); -+ new_chunk = -+ yaffs_write_new_chunk(dev, (u8 *) oh, &tags, 1); -+ } else { -+ new_chunk = -+ yaffs_write_new_chunk(dev, buffer, &tags, 1); -+ } -+ -+ if (new_chunk < 0) { -+ ret_val = YAFFS_FAIL; -+ } else { -+ -+ /* Now fix up the Tnodes etc. */ -+ -+ if (tags.chunk_id == 0) { -+ /* It's a header */ -+ object->hdr_chunk = new_chunk; -+ object->serial = tags.serial_number; -+ } else { -+ /* It's a data chunk */ -+ yaffs_put_chunk_in_file(object, tags.chunk_id, -+ new_chunk, 0); -+ } -+ } -+ } -+ if (ret_val == YAFFS_OK) -+ yaffs_chunk_del(dev, old_chunk, mark_flash, __LINE__); -+ return ret_val; -+} -+ -+static int yaffs_gc_block(struct yaffs_dev *dev, int block, int whole_block) -+{ -+ int old_chunk; -+ int ret_val = YAFFS_OK; -+ int i; -+ int is_checkpt_block; -+ int max_copies; -+ int chunks_before = yaffs_get_erased_chunks(dev); -+ int chunks_after; -+ struct yaffs_block_info *bi = yaffs_get_block_info(dev, block); -+ -+ is_checkpt_block = (bi->block_state == YAFFS_BLOCK_STATE_CHECKPOINT); -+ -+ yaffs_trace(YAFFS_TRACE_TRACING, -+ "Collecting block %d, in use %d, shrink %d, whole_block %d", -+ block, bi->pages_in_use, bi->has_shrink_hdr, -+ whole_block); -+ -+ /*yaffs_verify_free_chunks(dev); */ -+ -+ if (bi->block_state == YAFFS_BLOCK_STATE_FULL) -+ bi->block_state = YAFFS_BLOCK_STATE_COLLECTING; -+ -+ bi->has_shrink_hdr = 0; /* clear the flag so that the block can erase */ -+ -+ dev->gc_disable = 1; -+ -+ yaffs_summary_gc(dev, block); -+ -+ if (is_checkpt_block || !yaffs_still_some_chunks(dev, block)) { -+ yaffs_trace(YAFFS_TRACE_TRACING, -+ "Collecting block %d that has no chunks in use", -+ block); -+ yaffs_block_became_dirty(dev, block); -+ } else { -+ -+ u8 *buffer = yaffs_get_temp_buffer(dev); -+ -+ yaffs_verify_blk(dev, bi, block); -+ -+ max_copies = (whole_block) ? dev->param.chunks_per_block : 5; -+ old_chunk = block * dev->param.chunks_per_block + dev->gc_chunk; -+ -+ for (/* init already done */ ; -+ ret_val == YAFFS_OK && -+ dev->gc_chunk < dev->param.chunks_per_block && -+ (bi->block_state == YAFFS_BLOCK_STATE_COLLECTING) && -+ max_copies > 0; -+ dev->gc_chunk++, old_chunk++) { -+ if (yaffs_check_chunk_bit(dev, block, dev->gc_chunk)) { -+ /* Page is in use and might need to be copied */ -+ max_copies--; -+ ret_val = yaffs_gc_process_chunk(dev, bi, -+ old_chunk, buffer); -+ } -+ } -+ yaffs_release_temp_buffer(dev, buffer); -+ } -+ -+ yaffs_verify_collected_blk(dev, bi, block); -+ -+ if (bi->block_state == YAFFS_BLOCK_STATE_COLLECTING) { -+ /* -+ * The gc did not complete. Set block state back to FULL -+ * because checkpointing does not restore gc. -+ */ -+ bi->block_state = YAFFS_BLOCK_STATE_FULL; -+ } else { -+ /* The gc completed. */ -+ /* Do any required cleanups */ -+ for (i = 0; i < dev->n_clean_ups; i++) { -+ /* Time to delete the file too */ -+ struct yaffs_obj *object = -+ yaffs_find_by_number(dev, dev->gc_cleanup_list[i]); -+ if (object) { -+ yaffs_free_tnode(dev, -+ object->variant.file_variant.top); -+ object->variant.file_variant.top = NULL; -+ yaffs_trace(YAFFS_TRACE_GC, -+ "yaffs: About to finally delete object %d", -+ object->obj_id); -+ yaffs_generic_obj_del(object); -+ object->my_dev->n_deleted_files--; -+ } -+ -+ } -+ chunks_after = yaffs_get_erased_chunks(dev); -+ if (chunks_before >= chunks_after) -+ yaffs_trace(YAFFS_TRACE_GC, -+ "gc did not increase free chunks before %d after %d", -+ chunks_before, chunks_after); -+ dev->gc_block = 0; -+ dev->gc_chunk = 0; -+ dev->n_clean_ups = 0; -+ } -+ -+ dev->gc_disable = 0; -+ -+ return ret_val; -+} -+ -+/* -+ * find_gc_block() selects the dirtiest block (or close enough) -+ * for garbage collection. -+ */ -+ -+static unsigned yaffs_find_gc_block(struct yaffs_dev *dev, -+ int aggressive, int background) -+{ -+ int i; -+ int iterations; -+ unsigned selected = 0; -+ int prioritised = 0; -+ int prioritised_exist = 0; -+ struct yaffs_block_info *bi; -+ int threshold; -+ -+ /* First let's see if we need to grab a prioritised block */ -+ if (dev->has_pending_prioritised_gc && !aggressive) { -+ dev->gc_dirtiest = 0; -+ bi = dev->block_info; -+ for (i = dev->internal_start_block; -+ i <= dev->internal_end_block && !selected; i++) { -+ -+ if (bi->gc_prioritise) { -+ prioritised_exist = 1; -+ if (bi->block_state == YAFFS_BLOCK_STATE_FULL && -+ yaffs_block_ok_for_gc(dev, bi)) { -+ selected = i; -+ prioritised = 1; -+ } -+ } -+ bi++; -+ } -+ -+ /* -+ * If there is a prioritised block and none was selected then -+ * this happened because there is at least one old dirty block -+ * gumming up the works. Let's gc the oldest dirty block. -+ */ -+ -+ if (prioritised_exist && -+ !selected && dev->oldest_dirty_block > 0) -+ selected = dev->oldest_dirty_block; -+ -+ if (!prioritised_exist) /* None found, so we can clear this */ -+ dev->has_pending_prioritised_gc = 0; -+ } -+ -+ /* If we're doing aggressive GC then we are happy to take a less-dirty -+ * block, and search harder. -+ * else (leasurely gc), then we only bother to do this if the -+ * block has only a few pages in use. -+ */ -+ -+ if (!selected) { -+ int pages_used; -+ int n_blocks = -+ dev->internal_end_block - dev->internal_start_block + 1; -+ if (aggressive) { -+ threshold = dev->param.chunks_per_block; -+ iterations = n_blocks; -+ } else { -+ int max_threshold; -+ -+ if (background) -+ max_threshold = dev->param.chunks_per_block / 2; -+ else -+ max_threshold = dev->param.chunks_per_block / 8; -+ -+ if (max_threshold < YAFFS_GC_PASSIVE_THRESHOLD) -+ max_threshold = YAFFS_GC_PASSIVE_THRESHOLD; -+ -+ threshold = background ? (dev->gc_not_done + 2) * 2 : 0; -+ if (threshold < YAFFS_GC_PASSIVE_THRESHOLD) -+ threshold = YAFFS_GC_PASSIVE_THRESHOLD; -+ if (threshold > max_threshold) -+ threshold = max_threshold; -+ -+ iterations = n_blocks / 16 + 1; -+ if (iterations > 100) -+ iterations = 100; -+ } -+ -+ for (i = 0; -+ i < iterations && -+ (dev->gc_dirtiest < 1 || -+ dev->gc_pages_in_use > YAFFS_GC_GOOD_ENOUGH); -+ i++) { -+ dev->gc_block_finder++; -+ if (dev->gc_block_finder < dev->internal_start_block || -+ dev->gc_block_finder > dev->internal_end_block) -+ dev->gc_block_finder = -+ dev->internal_start_block; -+ -+ bi = yaffs_get_block_info(dev, dev->gc_block_finder); -+ -+ pages_used = bi->pages_in_use - bi->soft_del_pages; -+ -+ if (bi->block_state == YAFFS_BLOCK_STATE_FULL && -+ pages_used < dev->param.chunks_per_block && -+ (dev->gc_dirtiest < 1 || -+ pages_used < dev->gc_pages_in_use) && -+ yaffs_block_ok_for_gc(dev, bi)) { -+ dev->gc_dirtiest = dev->gc_block_finder; -+ dev->gc_pages_in_use = pages_used; -+ } -+ } -+ -+ if (dev->gc_dirtiest > 0 && dev->gc_pages_in_use <= threshold) -+ selected = dev->gc_dirtiest; -+ } -+ -+ /* -+ * If nothing has been selected for a while, try the oldest dirty -+ * because that's gumming up the works. -+ */ -+ -+ if (!selected && dev->param.is_yaffs2 && -+ dev->gc_not_done >= (background ? 10 : 20)) { -+ yaffs2_find_oldest_dirty_seq(dev); -+ if (dev->oldest_dirty_block > 0) { -+ selected = dev->oldest_dirty_block; -+ dev->gc_dirtiest = selected; -+ dev->oldest_dirty_gc_count++; -+ bi = yaffs_get_block_info(dev, selected); -+ dev->gc_pages_in_use = -+ bi->pages_in_use - bi->soft_del_pages; -+ } else { -+ dev->gc_not_done = 0; -+ } -+ } -+ -+ if (selected) { -+ yaffs_trace(YAFFS_TRACE_GC, -+ "GC Selected block %d with %d free, prioritised:%d", -+ selected, -+ dev->param.chunks_per_block - dev->gc_pages_in_use, -+ prioritised); -+ -+ dev->n_gc_blocks++; -+ if (background) -+ dev->bg_gcs++; -+ -+ dev->gc_dirtiest = 0; -+ dev->gc_pages_in_use = 0; -+ dev->gc_not_done = 0; -+ if (dev->refresh_skip > 0) -+ dev->refresh_skip--; -+ } else { -+ dev->gc_not_done++; -+ yaffs_trace(YAFFS_TRACE_GC, -+ "GC none: finder %d skip %d threshold %d dirtiest %d using %d oldest %d%s", -+ dev->gc_block_finder, dev->gc_not_done, threshold, -+ dev->gc_dirtiest, dev->gc_pages_in_use, -+ dev->oldest_dirty_block, background ? " bg" : ""); -+ } -+ -+ return selected; -+} -+ -+/* New garbage collector -+ * If we're very low on erased blocks then we do aggressive garbage collection -+ * otherwise we do "leasurely" garbage collection. -+ * Aggressive gc looks further (whole array) and will accept less dirty blocks. -+ * Passive gc only inspects smaller areas and only accepts more dirty blocks. -+ * -+ * The idea is to help clear out space in a more spread-out manner. -+ * Dunno if it really does anything useful. -+ */ -+static int yaffs_check_gc(struct yaffs_dev *dev, int background) -+{ -+ int aggressive = 0; -+ int gc_ok = YAFFS_OK; -+ int max_tries = 0; -+ int min_erased; -+ int erased_chunks; -+ int checkpt_block_adjust; -+ -+ if (dev->param.gc_control_fn && -+ (dev->param.gc_control_fn(dev) & 1) == 0) -+ return YAFFS_OK; -+ -+ if (dev->gc_disable) -+ /* Bail out so we don't get recursive gc */ -+ return YAFFS_OK; -+ -+ /* This loop should pass the first time. -+ * Only loops here if the collection does not increase space. -+ */ -+ -+ do { -+ max_tries++; -+ -+ checkpt_block_adjust = yaffs_calc_checkpt_blocks_required(dev); -+ -+ min_erased = -+ dev->param.n_reserved_blocks + checkpt_block_adjust + 1; -+ erased_chunks = -+ dev->n_erased_blocks * dev->param.chunks_per_block; -+ -+ /* If we need a block soon then do aggressive gc. */ -+ if (dev->n_erased_blocks < min_erased) -+ aggressive = 1; -+ else { -+ if (!background -+ && erased_chunks > (dev->n_free_chunks / 4)) -+ break; -+ -+ if (dev->gc_skip > 20) -+ dev->gc_skip = 20; -+ if (erased_chunks < dev->n_free_chunks / 2 || -+ dev->gc_skip < 1 || background) -+ aggressive = 0; -+ else { -+ dev->gc_skip--; -+ break; -+ } -+ } -+ -+ dev->gc_skip = 5; -+ -+ /* If we don't already have a block being gc'd then see if we -+ * should start another */ -+ -+ if (dev->gc_block < 1 && !aggressive) { -+ dev->gc_block = yaffs2_find_refresh_block(dev); -+ dev->gc_chunk = 0; -+ dev->n_clean_ups = 0; -+ } -+ if (dev->gc_block < 1) { -+ dev->gc_block = -+ yaffs_find_gc_block(dev, aggressive, background); -+ dev->gc_chunk = 0; -+ dev->n_clean_ups = 0; -+ } -+ -+ if (dev->gc_block > 0) { -+ dev->all_gcs++; -+ if (!aggressive) -+ dev->passive_gc_count++; -+ -+ yaffs_trace(YAFFS_TRACE_GC, -+ "yaffs: GC n_erased_blocks %d aggressive %d", -+ dev->n_erased_blocks, aggressive); -+ -+ gc_ok = yaffs_gc_block(dev, dev->gc_block, aggressive); -+ } -+ -+ if (dev->n_erased_blocks < (dev->param.n_reserved_blocks) && -+ dev->gc_block > 0) { -+ yaffs_trace(YAFFS_TRACE_GC, -+ "yaffs: GC !!!no reclaim!!! n_erased_blocks %d after try %d block %d", -+ dev->n_erased_blocks, max_tries, -+ dev->gc_block); -+ } -+ } while ((dev->n_erased_blocks < dev->param.n_reserved_blocks) && -+ (dev->gc_block > 0) && (max_tries < 2)); -+ -+ return aggressive ? gc_ok : YAFFS_OK; -+} -+ -+/* -+ * yaffs_bg_gc() -+ * Garbage collects. Intended to be called from a background thread. -+ * Returns non-zero if at least half the free chunks are erased. -+ */ -+int yaffs_bg_gc(struct yaffs_dev *dev, unsigned urgency) -+{ -+ int erased_chunks = dev->n_erased_blocks * dev->param.chunks_per_block; -+ -+ yaffs_trace(YAFFS_TRACE_BACKGROUND, "Background gc %u", urgency); -+ -+ yaffs_check_gc(dev, 1); -+ return erased_chunks > dev->n_free_chunks / 2; -+} -+ -+/*-------------------- Data file manipulation -----------------*/ -+ -+static int yaffs_rd_data_obj(struct yaffs_obj *in, int inode_chunk, u8 * buffer) -+{ -+ int nand_chunk = yaffs_find_chunk_in_file(in, inode_chunk, NULL); -+ -+ if (nand_chunk >= 0) -+ return yaffs_rd_chunk_tags_nand(in->my_dev, nand_chunk, -+ buffer, NULL); -+ else { -+ yaffs_trace(YAFFS_TRACE_NANDACCESS, -+ "Chunk %d not found zero instead", -+ nand_chunk); -+ /* get sane (zero) data if you read a hole */ -+ memset(buffer, 0, in->my_dev->data_bytes_per_chunk); -+ return 0; -+ } -+ -+} -+ -+void yaffs_chunk_del(struct yaffs_dev *dev, int chunk_id, int mark_flash, -+ int lyn) -+{ -+ int block; -+ int page; -+ struct yaffs_ext_tags tags; -+ struct yaffs_block_info *bi; -+ -+ if (chunk_id <= 0) -+ return; -+ -+ dev->n_deletions++; -+ block = chunk_id / dev->param.chunks_per_block; -+ page = chunk_id % dev->param.chunks_per_block; -+ -+ if (!yaffs_check_chunk_bit(dev, block, page)) -+ yaffs_trace(YAFFS_TRACE_VERIFY, -+ "Deleting invalid chunk %d", chunk_id); -+ -+ bi = yaffs_get_block_info(dev, block); -+ -+ yaffs2_update_oldest_dirty_seq(dev, block, bi); -+ -+ yaffs_trace(YAFFS_TRACE_DELETION, -+ "line %d delete of chunk %d", -+ lyn, chunk_id); -+ -+ if (!dev->param.is_yaffs2 && mark_flash && -+ bi->block_state != YAFFS_BLOCK_STATE_COLLECTING) { -+ -+ memset(&tags, 0, sizeof(tags)); -+ tags.is_deleted = 1; -+ yaffs_wr_chunk_tags_nand(dev, chunk_id, NULL, &tags); -+ yaffs_handle_chunk_update(dev, chunk_id, &tags); -+ } else { -+ dev->n_unmarked_deletions++; -+ } -+ -+ /* Pull out of the management area. -+ * If the whole block became dirty, this will kick off an erasure. -+ */ -+ if (bi->block_state == YAFFS_BLOCK_STATE_ALLOCATING || -+ bi->block_state == YAFFS_BLOCK_STATE_FULL || -+ bi->block_state == YAFFS_BLOCK_STATE_NEEDS_SCAN || -+ bi->block_state == YAFFS_BLOCK_STATE_COLLECTING) { -+ dev->n_free_chunks++; -+ yaffs_clear_chunk_bit(dev, block, page); -+ bi->pages_in_use--; -+ -+ if (bi->pages_in_use == 0 && -+ !bi->has_shrink_hdr && -+ bi->block_state != YAFFS_BLOCK_STATE_ALLOCATING && -+ bi->block_state != YAFFS_BLOCK_STATE_NEEDS_SCAN) { -+ yaffs_block_became_dirty(dev, block); -+ } -+ } -+} -+ -+static int yaffs_wr_data_obj(struct yaffs_obj *in, int inode_chunk, -+ const u8 *buffer, int n_bytes, int use_reserve) -+{ -+ /* Find old chunk Need to do this to get serial number -+ * Write new one and patch into tree. -+ * Invalidate old tags. -+ */ -+ -+ int prev_chunk_id; -+ struct yaffs_ext_tags prev_tags; -+ int new_chunk_id; -+ struct yaffs_ext_tags new_tags; -+ struct yaffs_dev *dev = in->my_dev; -+ -+ yaffs_check_gc(dev, 0); -+ -+ /* Get the previous chunk at this location in the file if it exists. -+ * If it does not exist then put a zero into the tree. This creates -+ * the tnode now, rather than later when it is harder to clean up. -+ */ -+ prev_chunk_id = yaffs_find_chunk_in_file(in, inode_chunk, &prev_tags); -+ if (prev_chunk_id < 1 && -+ !yaffs_put_chunk_in_file(in, inode_chunk, 0, 0)) -+ return 0; -+ -+ /* Set up new tags */ -+ memset(&new_tags, 0, sizeof(new_tags)); -+ -+ new_tags.chunk_id = inode_chunk; -+ new_tags.obj_id = in->obj_id; -+ new_tags.serial_number = -+ (prev_chunk_id > 0) ? prev_tags.serial_number + 1 : 1; -+ new_tags.n_bytes = n_bytes; -+ -+ if (n_bytes < 1 || n_bytes > dev->param.total_bytes_per_chunk) { -+ yaffs_trace(YAFFS_TRACE_ERROR, -+ "Writing %d bytes to chunk!!!!!!!!!", -+ n_bytes); -+ BUG(); -+ } -+ -+ new_chunk_id = -+ yaffs_write_new_chunk(dev, buffer, &new_tags, use_reserve); -+ -+ if (new_chunk_id > 0) { -+ yaffs_put_chunk_in_file(in, inode_chunk, new_chunk_id, 0); -+ -+ if (prev_chunk_id > 0) -+ yaffs_chunk_del(dev, prev_chunk_id, 1, __LINE__); -+ -+ yaffs_verify_file_sane(in); -+ } -+ return new_chunk_id; -+ -+} -+ -+ -+ -+static int yaffs_do_xattrib_mod(struct yaffs_obj *obj, int set, -+ const YCHAR *name, const void *value, int size, -+ int flags) -+{ -+ struct yaffs_xattr_mod xmod; -+ int result; -+ -+ xmod.set = set; -+ xmod.name = name; -+ xmod.data = value; -+ xmod.size = size; -+ xmod.flags = flags; -+ xmod.result = -ENOSPC; -+ -+ result = yaffs_update_oh(obj, NULL, 0, 0, 0, &xmod); -+ -+ if (result > 0) -+ return xmod.result; -+ else -+ return -ENOSPC; -+} -+ -+static int yaffs_apply_xattrib_mod(struct yaffs_obj *obj, char *buffer, -+ struct yaffs_xattr_mod *xmod) -+{ -+ int retval = 0; -+ int x_offs = sizeof(struct yaffs_obj_hdr); -+ struct yaffs_dev *dev = obj->my_dev; -+ int x_size = dev->data_bytes_per_chunk - sizeof(struct yaffs_obj_hdr); -+ char *x_buffer = buffer + x_offs; -+ -+ if (xmod->set) -+ retval = -+ nval_set(x_buffer, x_size, xmod->name, xmod->data, -+ xmod->size, xmod->flags); -+ else -+ retval = nval_del(x_buffer, x_size, xmod->name); -+ -+ obj->has_xattr = nval_hasvalues(x_buffer, x_size); -+ obj->xattr_known = 1; -+ xmod->result = retval; -+ -+ return retval; -+} -+ -+static int yaffs_do_xattrib_fetch(struct yaffs_obj *obj, const YCHAR *name, -+ void *value, int size) -+{ -+ char *buffer = NULL; -+ int result; -+ struct yaffs_ext_tags tags; -+ struct yaffs_dev *dev = obj->my_dev; -+ int x_offs = sizeof(struct yaffs_obj_hdr); -+ int x_size = dev->data_bytes_per_chunk - sizeof(struct yaffs_obj_hdr); -+ char *x_buffer; -+ int retval = 0; -+ -+ if (obj->hdr_chunk < 1) -+ return -ENODATA; -+ -+ /* If we know that the object has no xattribs then don't do all the -+ * reading and parsing. -+ */ -+ if (obj->xattr_known && !obj->has_xattr) { -+ if (name) -+ return -ENODATA; -+ else -+ return 0; -+ } -+ -+ buffer = (char *)yaffs_get_temp_buffer(dev); -+ if (!buffer) -+ return -ENOMEM; -+ -+ result = -+ yaffs_rd_chunk_tags_nand(dev, obj->hdr_chunk, (u8 *) buffer, &tags); -+ -+ if (result != YAFFS_OK) -+ retval = -ENOENT; -+ else { -+ x_buffer = buffer + x_offs; -+ -+ if (!obj->xattr_known) { -+ obj->has_xattr = nval_hasvalues(x_buffer, x_size); -+ obj->xattr_known = 1; -+ } -+ -+ if (name) -+ retval = nval_get(x_buffer, x_size, name, value, size); -+ else -+ retval = nval_list(x_buffer, x_size, value, size); -+ } -+ yaffs_release_temp_buffer(dev, (u8 *) buffer); -+ return retval; -+} -+ -+int yaffs_set_xattrib(struct yaffs_obj *obj, const YCHAR * name, -+ const void *value, int size, int flags) -+{ -+ return yaffs_do_xattrib_mod(obj, 1, name, value, size, flags); -+} -+ -+int yaffs_remove_xattrib(struct yaffs_obj *obj, const YCHAR * name) -+{ -+ return yaffs_do_xattrib_mod(obj, 0, name, NULL, 0, 0); -+} -+ -+int yaffs_get_xattrib(struct yaffs_obj *obj, const YCHAR * name, void *value, -+ int size) -+{ -+ return yaffs_do_xattrib_fetch(obj, name, value, size); -+} -+ -+int yaffs_list_xattrib(struct yaffs_obj *obj, char *buffer, int size) -+{ -+ return yaffs_do_xattrib_fetch(obj, NULL, buffer, size); -+} -+ -+static void yaffs_check_obj_details_loaded(struct yaffs_obj *in) -+{ -+ u8 *buf; -+ struct yaffs_obj_hdr *oh; -+ struct yaffs_dev *dev; -+ struct yaffs_ext_tags tags; -+ int result; -+ int alloc_failed = 0; -+ -+ if (!in || !in->lazy_loaded || in->hdr_chunk < 1) -+ return; -+ -+ dev = in->my_dev; -+ in->lazy_loaded = 0; -+ buf = yaffs_get_temp_buffer(dev); -+ -+ result = yaffs_rd_chunk_tags_nand(dev, in->hdr_chunk, buf, &tags); -+ oh = (struct yaffs_obj_hdr *)buf; -+ -+ in->yst_mode = oh->yst_mode; -+ yaffs_load_attribs(in, oh); -+ yaffs_set_obj_name_from_oh(in, oh); -+ -+ if (in->variant_type == YAFFS_OBJECT_TYPE_SYMLINK) { -+ in->variant.symlink_variant.alias = -+ yaffs_clone_str(oh->alias); -+ if (!in->variant.symlink_variant.alias) -+ alloc_failed = 1; /* Not returned */ -+ } -+ yaffs_release_temp_buffer(dev, buf); -+} -+ -+static void yaffs_load_name_from_oh(struct yaffs_dev *dev, YCHAR *name, -+ const YCHAR *oh_name, int buff_size) -+{ -+#ifdef CONFIG_YAFFS_AUTO_UNICODE -+ if (dev->param.auto_unicode) { -+ if (*oh_name) { -+ /* It is an ASCII name, do an ASCII to -+ * unicode conversion */ -+ const char *ascii_oh_name = (const char *)oh_name; -+ int n = buff_size - 1; -+ while (n > 0 && *ascii_oh_name) { -+ *name = *ascii_oh_name; -+ name++; -+ ascii_oh_name++; -+ n--; -+ } -+ } else { -+ strncpy(name, oh_name + 1, buff_size - 1); -+ } -+ } else { -+#else -+ (void) dev; -+ { -+#endif -+ strncpy(name, oh_name, buff_size - 1); -+ } -+} -+ -+static void yaffs_load_oh_from_name(struct yaffs_dev *dev, YCHAR *oh_name, -+ const YCHAR *name) -+{ -+#ifdef CONFIG_YAFFS_AUTO_UNICODE -+ -+ int is_ascii; -+ YCHAR *w; -+ -+ if (dev->param.auto_unicode) { -+ -+ is_ascii = 1; -+ w = name; -+ -+ /* Figure out if the name will fit in ascii character set */ -+ while (is_ascii && *w) { -+ if ((*w) & 0xff00) -+ is_ascii = 0; -+ w++; -+ } -+ -+ if (is_ascii) { -+ /* It is an ASCII name, so convert unicode to ascii */ -+ char *ascii_oh_name = (char *)oh_name; -+ int n = YAFFS_MAX_NAME_LENGTH - 1; -+ while (n > 0 && *name) { -+ *ascii_oh_name = *name; -+ name++; -+ ascii_oh_name++; -+ n--; -+ } -+ } else { -+ /* Unicode name, so save starting at the second YCHAR */ -+ *oh_name = 0; -+ strncpy(oh_name + 1, name, YAFFS_MAX_NAME_LENGTH - 2); -+ } -+ } else { -+#else -+ dev = dev; -+ { -+#endif -+ strncpy(oh_name, name, YAFFS_MAX_NAME_LENGTH - 1); -+ } -+} -+ -+/* UpdateObjectHeader updates the header on NAND for an object. -+ * If name is not NULL, then that new name is used. -+ */ -+int yaffs_update_oh(struct yaffs_obj *in, const YCHAR *name, int force, -+ int is_shrink, int shadows, struct yaffs_xattr_mod *xmod) -+{ -+ -+ struct yaffs_block_info *bi; -+ struct yaffs_dev *dev = in->my_dev; -+ int prev_chunk_id; -+ int ret_val = 0; -+ int result = 0; -+ int new_chunk_id; -+ struct yaffs_ext_tags new_tags; -+ struct yaffs_ext_tags old_tags; -+ const YCHAR *alias = NULL; -+ u8 *buffer = NULL; -+ YCHAR old_name[YAFFS_MAX_NAME_LENGTH + 1]; -+ struct yaffs_obj_hdr *oh = NULL; -+ loff_t file_size = 0; -+ -+ strcpy(old_name, _Y("silly old name")); -+ -+ if (in->fake && in != dev->root_dir && !force && !xmod) -+ return ret_val; -+ -+ yaffs_check_gc(dev, 0); -+ yaffs_check_obj_details_loaded(in); -+ -+ buffer = yaffs_get_temp_buffer(in->my_dev); -+ oh = (struct yaffs_obj_hdr *)buffer; -+ -+ prev_chunk_id = in->hdr_chunk; -+ -+ if (prev_chunk_id > 0) { -+ result = yaffs_rd_chunk_tags_nand(dev, prev_chunk_id, -+ buffer, &old_tags); -+ -+ yaffs_verify_oh(in, oh, &old_tags, 0); -+ memcpy(old_name, oh->name, sizeof(oh->name)); -+ memset(buffer, 0xff, sizeof(struct yaffs_obj_hdr)); -+ } else { -+ memset(buffer, 0xff, dev->data_bytes_per_chunk); -+ } -+ -+ oh->type = in->variant_type; -+ oh->yst_mode = in->yst_mode; -+ oh->shadows_obj = oh->inband_shadowed_obj_id = shadows; -+ -+ yaffs_load_attribs_oh(oh, in); -+ -+ if (in->parent) -+ oh->parent_obj_id = in->parent->obj_id; -+ else -+ oh->parent_obj_id = 0; -+ -+ if (name && *name) { -+ memset(oh->name, 0, sizeof(oh->name)); -+ yaffs_load_oh_from_name(dev, oh->name, name); -+ } else if (prev_chunk_id > 0) { -+ memcpy(oh->name, old_name, sizeof(oh->name)); -+ } else { -+ memset(oh->name, 0, sizeof(oh->name)); -+ } -+ -+ oh->is_shrink = is_shrink; -+ -+ switch (in->variant_type) { -+ case YAFFS_OBJECT_TYPE_UNKNOWN: -+ /* Should not happen */ -+ break; -+ case YAFFS_OBJECT_TYPE_FILE: -+ if (oh->parent_obj_id != YAFFS_OBJECTID_DELETED && -+ oh->parent_obj_id != YAFFS_OBJECTID_UNLINKED) -+ file_size = in->variant.file_variant.file_size; -+ yaffs_oh_size_load(oh, file_size); -+ break; -+ case YAFFS_OBJECT_TYPE_HARDLINK: -+ oh->equiv_id = in->variant.hardlink_variant.equiv_id; -+ break; -+ case YAFFS_OBJECT_TYPE_SPECIAL: -+ /* Do nothing */ -+ break; -+ case YAFFS_OBJECT_TYPE_DIRECTORY: -+ /* Do nothing */ -+ break; -+ case YAFFS_OBJECT_TYPE_SYMLINK: -+ alias = in->variant.symlink_variant.alias; -+ if (!alias) -+ alias = _Y("no alias"); -+ strncpy(oh->alias, alias, YAFFS_MAX_ALIAS_LENGTH); -+ oh->alias[YAFFS_MAX_ALIAS_LENGTH] = 0; -+ break; -+ } -+ -+ /* process any xattrib modifications */ -+ if (xmod) -+ yaffs_apply_xattrib_mod(in, (char *)buffer, xmod); -+ -+ /* Tags */ -+ memset(&new_tags, 0, sizeof(new_tags)); -+ in->serial++; -+ new_tags.chunk_id = 0; -+ new_tags.obj_id = in->obj_id; -+ new_tags.serial_number = in->serial; -+ -+ /* Add extra info for file header */ -+ new_tags.extra_available = 1; -+ new_tags.extra_parent_id = oh->parent_obj_id; -+ new_tags.extra_file_size = file_size; -+ new_tags.extra_is_shrink = oh->is_shrink; -+ new_tags.extra_equiv_id = oh->equiv_id; -+ new_tags.extra_shadows = (oh->shadows_obj > 0) ? 1 : 0; -+ new_tags.extra_obj_type = in->variant_type; -+ yaffs_verify_oh(in, oh, &new_tags, 1); -+ -+ /* Create new chunk in NAND */ -+ new_chunk_id = -+ yaffs_write_new_chunk(dev, buffer, &new_tags, -+ (prev_chunk_id > 0) ? 1 : 0); -+ -+ if (buffer) -+ yaffs_release_temp_buffer(dev, buffer); -+ -+ if (new_chunk_id < 0) -+ return new_chunk_id; -+ -+ in->hdr_chunk = new_chunk_id; -+ -+ if (prev_chunk_id > 0) -+ yaffs_chunk_del(dev, prev_chunk_id, 1, __LINE__); -+ -+ if (!yaffs_obj_cache_dirty(in)) -+ in->dirty = 0; -+ -+ /* If this was a shrink, then mark the block -+ * that the chunk lives on */ -+ if (is_shrink) { -+ bi = yaffs_get_block_info(in->my_dev, -+ new_chunk_id / -+ in->my_dev->param.chunks_per_block); -+ bi->has_shrink_hdr = 1; -+ } -+ -+ -+ return new_chunk_id; -+} -+ -+/*--------------------- File read/write ------------------------ -+ * Read and write have very similar structures. -+ * In general the read/write has three parts to it -+ * An incomplete chunk to start with (if the read/write is not chunk-aligned) -+ * Some complete chunks -+ * An incomplete chunk to end off with -+ * -+ * Curve-balls: the first chunk might also be the last chunk. -+ */ -+ -+int yaffs_file_rd(struct yaffs_obj *in, u8 * buffer, loff_t offset, int n_bytes) -+{ -+ int chunk; -+ u32 start; -+ int n_copy; -+ int n = n_bytes; -+ int n_done = 0; -+ struct yaffs_cache *cache; -+ struct yaffs_dev *dev; -+ -+ dev = in->my_dev; -+ -+ while (n > 0) { -+ yaffs_addr_to_chunk(dev, offset, &chunk, &start); -+ chunk++; -+ -+ /* OK now check for the curveball where the start and end are in -+ * the same chunk. -+ */ -+ if ((start + n) < dev->data_bytes_per_chunk) -+ n_copy = n; -+ else -+ n_copy = dev->data_bytes_per_chunk - start; -+ -+ cache = yaffs_find_chunk_cache(in, chunk); -+ -+ /* If the chunk is already in the cache or it is less than -+ * a whole chunk or we're using inband tags then use the cache -+ * (if there is caching) else bypass the cache. -+ */ -+ if (cache || n_copy != dev->data_bytes_per_chunk || -+ dev->param.inband_tags) { -+ if (dev->param.n_caches > 0) { -+ -+ /* If we can't find the data in the cache, -+ * then load it up. */ -+ -+ if (!cache) { -+ cache = -+ yaffs_grab_chunk_cache(in->my_dev); -+ cache->object = in; -+ cache->chunk_id = chunk; -+ cache->dirty = 0; -+ cache->locked = 0; -+ yaffs_rd_data_obj(in, chunk, -+ cache->data); -+ cache->n_bytes = 0; -+ } -+ -+ yaffs_use_cache(dev, cache, 0); -+ -+ cache->locked = 1; -+ -+ memcpy(buffer, &cache->data[start], n_copy); -+ -+ cache->locked = 0; -+ } else { -+ /* Read into the local buffer then copy.. */ -+ -+ u8 *local_buffer = -+ yaffs_get_temp_buffer(dev); -+ yaffs_rd_data_obj(in, chunk, local_buffer); -+ -+ memcpy(buffer, &local_buffer[start], n_copy); -+ -+ yaffs_release_temp_buffer(dev, local_buffer); -+ } -+ } else { -+ /* A full chunk. Read directly into the buffer. */ -+ yaffs_rd_data_obj(in, chunk, buffer); -+ } -+ n -= n_copy; -+ offset += n_copy; -+ buffer += n_copy; -+ n_done += n_copy; -+ } -+ return n_done; -+} -+ -+int yaffs_do_file_wr(struct yaffs_obj *in, const u8 *buffer, loff_t offset, -+ int n_bytes, int write_through) -+{ -+ -+ int chunk; -+ u32 start; -+ int n_copy; -+ int n = n_bytes; -+ int n_done = 0; -+ int n_writeback; -+ loff_t start_write = offset; -+ int chunk_written = 0; -+ u32 n_bytes_read; -+ loff_t chunk_start; -+ struct yaffs_dev *dev; -+ -+ dev = in->my_dev; -+ -+ while (n > 0 && chunk_written >= 0) { -+ yaffs_addr_to_chunk(dev, offset, &chunk, &start); -+ -+ if (((loff_t)chunk) * -+ dev->data_bytes_per_chunk + start != offset || -+ start >= dev->data_bytes_per_chunk) { -+ yaffs_trace(YAFFS_TRACE_ERROR, -+ "AddrToChunk of offset %lld gives chunk %d start %d", -+ offset, chunk, start); -+ } -+ chunk++; /* File pos to chunk in file offset */ -+ -+ /* OK now check for the curveball where the start and end are in -+ * the same chunk. -+ */ -+ -+ if ((start + n) < dev->data_bytes_per_chunk) { -+ n_copy = n; -+ -+ /* Now calculate how many bytes to write back.... -+ * If we're overwriting and not writing to then end of -+ * file then we need to write back as much as was there -+ * before. -+ */ -+ -+ chunk_start = (((loff_t)(chunk - 1)) * -+ dev->data_bytes_per_chunk); -+ -+ if (chunk_start > in->variant.file_variant.file_size) -+ n_bytes_read = 0; /* Past end of file */ -+ else -+ n_bytes_read = -+ in->variant.file_variant.file_size - -+ chunk_start; -+ -+ if (n_bytes_read > dev->data_bytes_per_chunk) -+ n_bytes_read = dev->data_bytes_per_chunk; -+ -+ n_writeback = -+ (n_bytes_read > -+ (start + n)) ? n_bytes_read : (start + n); -+ -+ if (n_writeback < 0 || -+ n_writeback > dev->data_bytes_per_chunk) -+ BUG(); -+ -+ } else { -+ n_copy = dev->data_bytes_per_chunk - start; -+ n_writeback = dev->data_bytes_per_chunk; -+ } -+ -+ if (n_copy != dev->data_bytes_per_chunk || -+ !dev->param.cache_bypass_aligned || -+ dev->param.inband_tags) { -+ /* An incomplete start or end chunk (or maybe both -+ * start and end chunk), or we're using inband tags, -+ * or we're forcing writes through the cache, -+ * so we want to use the cache buffers. -+ */ -+ if (dev->param.n_caches > 0) { -+ struct yaffs_cache *cache; -+ -+ /* If we can't find the data in the cache, then -+ * load the cache */ -+ cache = yaffs_find_chunk_cache(in, chunk); -+ -+ if (!cache && -+ yaffs_check_alloc_available(dev, 1)) { -+ cache = yaffs_grab_chunk_cache(dev); -+ cache->object = in; -+ cache->chunk_id = chunk; -+ cache->dirty = 0; -+ cache->locked = 0; -+ yaffs_rd_data_obj(in, chunk, -+ cache->data); -+ } else if (cache && -+ !cache->dirty && -+ !yaffs_check_alloc_available(dev, -+ 1)) { -+ /* Drop the cache if it was a read cache -+ * item and no space check has been made -+ * for it. -+ */ -+ cache = NULL; -+ } -+ -+ if (cache) { -+ yaffs_use_cache(dev, cache, 1); -+ cache->locked = 1; -+ -+ memcpy(&cache->data[start], buffer, -+ n_copy); -+ -+ cache->locked = 0; -+ cache->n_bytes = n_writeback; -+ -+ if (write_through) { -+ chunk_written = -+ yaffs_wr_data_obj -+ (cache->object, -+ cache->chunk_id, -+ cache->data, -+ cache->n_bytes, 1); -+ cache->dirty = 0; -+ } -+ } else { -+ chunk_written = -1; /* fail write */ -+ } -+ } else { -+ /* An incomplete start or end chunk (or maybe -+ * both start and end chunk). Read into the -+ * local buffer then copy over and write back. -+ */ -+ -+ u8 *local_buffer = yaffs_get_temp_buffer(dev); -+ -+ yaffs_rd_data_obj(in, chunk, local_buffer); -+ memcpy(&local_buffer[start], buffer, n_copy); -+ -+ chunk_written = -+ yaffs_wr_data_obj(in, chunk, -+ local_buffer, -+ n_writeback, 0); -+ -+ yaffs_release_temp_buffer(dev, local_buffer); -+ } -+ } else { -+ /* A full chunk. Write directly from the buffer. */ -+ -+ chunk_written = -+ yaffs_wr_data_obj(in, chunk, buffer, -+ dev->data_bytes_per_chunk, 0); -+ -+ /* Since we've overwritten the cached data, -+ * we better invalidate it. */ -+ yaffs_invalidate_chunk_cache(in, chunk); -+ } -+ -+ if (chunk_written >= 0) { -+ n -= n_copy; -+ offset += n_copy; -+ buffer += n_copy; -+ n_done += n_copy; -+ } -+ } -+ -+ /* Update file object */ -+ -+ if ((start_write + n_done) > in->variant.file_variant.file_size) -+ in->variant.file_variant.file_size = (start_write + n_done); -+ -+ in->dirty = 1; -+ return n_done; -+} -+ -+int yaffs_wr_file(struct yaffs_obj *in, const u8 *buffer, loff_t offset, -+ int n_bytes, int write_through) -+{ -+ yaffs2_handle_hole(in, offset); -+ return yaffs_do_file_wr(in, buffer, offset, n_bytes, write_through); -+} -+ -+/* ---------------------- File resizing stuff ------------------ */ -+ -+static void yaffs_prune_chunks(struct yaffs_obj *in, loff_t new_size) -+{ -+ -+ struct yaffs_dev *dev = in->my_dev; -+ loff_t old_size = in->variant.file_variant.file_size; -+ int i; -+ int chunk_id; -+ u32 dummy; -+ int last_del; -+ int start_del; -+ -+ if (old_size > 0) -+ yaffs_addr_to_chunk(dev, old_size - 1, &last_del, &dummy); -+ else -+ last_del = 0; -+ -+ yaffs_addr_to_chunk(dev, new_size + dev->data_bytes_per_chunk - 1, -+ &start_del, &dummy); -+ last_del++; -+ start_del++; -+ -+ /* Delete backwards so that we don't end up with holes if -+ * power is lost part-way through the operation. -+ */ -+ for (i = last_del; i >= start_del; i--) { -+ /* NB this could be optimised somewhat, -+ * eg. could retrieve the tags and write them without -+ * using yaffs_chunk_del -+ */ -+ -+ chunk_id = yaffs_find_del_file_chunk(in, i, NULL); -+ -+ if (chunk_id < 1) -+ continue; -+ -+ if (chunk_id < -+ (dev->internal_start_block * dev->param.chunks_per_block) || -+ chunk_id >= -+ ((dev->internal_end_block + 1) * -+ dev->param.chunks_per_block)) { -+ yaffs_trace(YAFFS_TRACE_ALWAYS, -+ "Found daft chunk_id %d for %d", -+ chunk_id, i); -+ } else { -+ in->n_data_chunks--; -+ yaffs_chunk_del(dev, chunk_id, 1, __LINE__); -+ } -+ } -+} -+ -+void yaffs_resize_file_down(struct yaffs_obj *obj, loff_t new_size) -+{ -+ int new_full; -+ u32 new_partial; -+ struct yaffs_dev *dev = obj->my_dev; -+ -+ yaffs_addr_to_chunk(dev, new_size, &new_full, &new_partial); -+ -+ yaffs_prune_chunks(obj, new_size); -+ -+ if (new_partial != 0) { -+ int last_chunk = 1 + new_full; -+ u8 *local_buffer = yaffs_get_temp_buffer(dev); -+ -+ /* Rewrite the last chunk with its new size and zero pad */ -+ yaffs_rd_data_obj(obj, last_chunk, local_buffer); -+ memset(local_buffer + new_partial, 0, -+ dev->data_bytes_per_chunk - new_partial); -+ -+ yaffs_wr_data_obj(obj, last_chunk, local_buffer, -+ new_partial, 1); -+ -+ yaffs_release_temp_buffer(dev, local_buffer); -+ } -+ -+ obj->variant.file_variant.file_size = new_size; -+ -+ yaffs_prune_tree(dev, &obj->variant.file_variant); -+} -+ -+int yaffs_resize_file(struct yaffs_obj *in, loff_t new_size) -+{ -+ struct yaffs_dev *dev = in->my_dev; -+ loff_t old_size = in->variant.file_variant.file_size; -+ -+ yaffs_flush_file_cache(in); -+ yaffs_invalidate_whole_cache(in); -+ -+ yaffs_check_gc(dev, 0); -+ -+ if (in->variant_type != YAFFS_OBJECT_TYPE_FILE) -+ return YAFFS_FAIL; -+ -+ if (new_size == old_size) -+ return YAFFS_OK; -+ -+ if (new_size > old_size) { -+ yaffs2_handle_hole(in, new_size); -+ in->variant.file_variant.file_size = new_size; -+ } else { -+ /* new_size < old_size */ -+ yaffs_resize_file_down(in, new_size); -+ } -+ -+ /* Write a new object header to reflect the resize. -+ * show we've shrunk the file, if need be -+ * Do this only if the file is not in the deleted directories -+ * and is not shadowed. -+ */ -+ if (in->parent && -+ !in->is_shadowed && -+ in->parent->obj_id != YAFFS_OBJECTID_UNLINKED && -+ in->parent->obj_id != YAFFS_OBJECTID_DELETED) -+ yaffs_update_oh(in, NULL, 0, 0, 0, NULL); -+ -+ return YAFFS_OK; -+} -+ -+int yaffs_flush_file(struct yaffs_obj *in, int update_time, int data_sync) -+{ -+ if (!in->dirty) -+ return YAFFS_OK; -+ -+ yaffs_flush_file_cache(in); -+ -+ if (data_sync) -+ return YAFFS_OK; -+ -+ if (update_time) -+ yaffs_load_current_time(in, 0, 0); -+ -+ return (yaffs_update_oh(in, NULL, 0, 0, 0, NULL) >= 0) ? -+ YAFFS_OK : YAFFS_FAIL; -+} -+ -+ -+/* yaffs_del_file deletes the whole file data -+ * and the inode associated with the file. -+ * It does not delete the links associated with the file. -+ */ -+static int yaffs_unlink_file_if_needed(struct yaffs_obj *in) -+{ -+ int ret_val; -+ int del_now = 0; -+ struct yaffs_dev *dev = in->my_dev; -+ -+ if (!in->my_inode) -+ del_now = 1; -+ -+ if (del_now) { -+ ret_val = -+ yaffs_change_obj_name(in, in->my_dev->del_dir, -+ _Y("deleted"), 0, 0); -+ yaffs_trace(YAFFS_TRACE_TRACING, -+ "yaffs: immediate deletion of file %d", -+ in->obj_id); -+ in->deleted = 1; -+ in->my_dev->n_deleted_files++; -+ if (dev->param.disable_soft_del || dev->param.is_yaffs2) -+ yaffs_resize_file(in, 0); -+ yaffs_soft_del_file(in); -+ } else { -+ ret_val = -+ yaffs_change_obj_name(in, in->my_dev->unlinked_dir, -+ _Y("unlinked"), 0, 0); -+ } -+ return ret_val; -+} -+ -+static int yaffs_del_file(struct yaffs_obj *in) -+{ -+ int ret_val = YAFFS_OK; -+ int deleted; /* Need to cache value on stack if in is freed */ -+ struct yaffs_dev *dev = in->my_dev; -+ -+ if (dev->param.disable_soft_del || dev->param.is_yaffs2) -+ yaffs_resize_file(in, 0); -+ -+ if (in->n_data_chunks > 0) { -+ /* Use soft deletion if there is data in the file. -+ * That won't be the case if it has been resized to zero. -+ */ -+ if (!in->unlinked) -+ ret_val = yaffs_unlink_file_if_needed(in); -+ -+ deleted = in->deleted; -+ -+ if (ret_val == YAFFS_OK && in->unlinked && !in->deleted) { -+ in->deleted = 1; -+ deleted = 1; -+ in->my_dev->n_deleted_files++; -+ yaffs_soft_del_file(in); -+ } -+ return deleted ? YAFFS_OK : YAFFS_FAIL; -+ } else { -+ /* The file has no data chunks so we toss it immediately */ -+ yaffs_free_tnode(in->my_dev, in->variant.file_variant.top); -+ in->variant.file_variant.top = NULL; -+ yaffs_generic_obj_del(in); -+ -+ return YAFFS_OK; -+ } -+} -+ -+int yaffs_is_non_empty_dir(struct yaffs_obj *obj) -+{ -+ return (obj && -+ obj->variant_type == YAFFS_OBJECT_TYPE_DIRECTORY) && -+ !(list_empty(&obj->variant.dir_variant.children)); -+} -+ -+static int yaffs_del_dir(struct yaffs_obj *obj) -+{ -+ /* First check that the directory is empty. */ -+ if (yaffs_is_non_empty_dir(obj)) -+ return YAFFS_FAIL; -+ -+ return yaffs_generic_obj_del(obj); -+} -+ -+static int yaffs_del_symlink(struct yaffs_obj *in) -+{ -+ kfree(in->variant.symlink_variant.alias); -+ in->variant.symlink_variant.alias = NULL; -+ -+ return yaffs_generic_obj_del(in); -+} -+ -+static int yaffs_del_link(struct yaffs_obj *in) -+{ -+ /* remove this hardlink from the list associated with the equivalent -+ * object -+ */ -+ list_del_init(&in->hard_links); -+ return yaffs_generic_obj_del(in); -+} -+ -+int yaffs_del_obj(struct yaffs_obj *obj) -+{ -+ int ret_val = -1; -+ -+ switch (obj->variant_type) { -+ case YAFFS_OBJECT_TYPE_FILE: -+ ret_val = yaffs_del_file(obj); -+ break; -+ case YAFFS_OBJECT_TYPE_DIRECTORY: -+ if (!list_empty(&obj->variant.dir_variant.dirty)) { -+ yaffs_trace(YAFFS_TRACE_BACKGROUND, -+ "Remove object %d from dirty directories", -+ obj->obj_id); -+ list_del_init(&obj->variant.dir_variant.dirty); -+ } -+ return yaffs_del_dir(obj); -+ break; -+ case YAFFS_OBJECT_TYPE_SYMLINK: -+ ret_val = yaffs_del_symlink(obj); -+ break; -+ case YAFFS_OBJECT_TYPE_HARDLINK: -+ ret_val = yaffs_del_link(obj); -+ break; -+ case YAFFS_OBJECT_TYPE_SPECIAL: -+ ret_val = yaffs_generic_obj_del(obj); -+ break; -+ case YAFFS_OBJECT_TYPE_UNKNOWN: -+ ret_val = 0; -+ break; /* should not happen. */ -+ } -+ return ret_val; -+} -+ -+ -+static void yaffs_empty_dir_to_dir(struct yaffs_obj *from_dir, -+ struct yaffs_obj *to_dir) -+{ -+ struct yaffs_obj *obj; -+ struct list_head *lh; -+ struct list_head *n; -+ -+ list_for_each_safe(lh, n, &from_dir->variant.dir_variant.children) { -+ obj = list_entry(lh, struct yaffs_obj, siblings); -+ yaffs_add_obj_to_dir(to_dir, obj); -+ } -+} -+ -+struct yaffs_obj *yaffs_retype_obj(struct yaffs_obj *obj, -+ enum yaffs_obj_type type) -+{ -+ /* Tear down the old variant */ -+ switch (obj->variant_type) { -+ case YAFFS_OBJECT_TYPE_FILE: -+ /* Nuke file data */ -+ yaffs_resize_file(obj, 0); -+ yaffs_free_tnode(obj->my_dev, obj->variant.file_variant.top); -+ obj->variant.file_variant.top = NULL; -+ break; -+ case YAFFS_OBJECT_TYPE_DIRECTORY: -+ /* Put the children in lost and found. */ -+ yaffs_empty_dir_to_dir(obj, obj->my_dev->lost_n_found); -+ if (!list_empty(&obj->variant.dir_variant.dirty)) -+ list_del_init(&obj->variant.dir_variant.dirty); -+ break; -+ case YAFFS_OBJECT_TYPE_SYMLINK: -+ /* Nuke symplink data */ -+ kfree(obj->variant.symlink_variant.alias); -+ obj->variant.symlink_variant.alias = NULL; -+ break; -+ case YAFFS_OBJECT_TYPE_HARDLINK: -+ list_del_init(&obj->hard_links); -+ break; -+ default: -+ break; -+ } -+ -+ memset(&obj->variant, 0, sizeof(obj->variant)); -+ -+ /*Set up new variant if the memset is not enough. */ -+ switch (type) { -+ case YAFFS_OBJECT_TYPE_DIRECTORY: -+ INIT_LIST_HEAD(&obj->variant.dir_variant.children); -+ INIT_LIST_HEAD(&obj->variant.dir_variant.dirty); -+ break; -+ case YAFFS_OBJECT_TYPE_FILE: -+ case YAFFS_OBJECT_TYPE_SYMLINK: -+ case YAFFS_OBJECT_TYPE_HARDLINK: -+ default: -+ break; -+ } -+ -+ obj->variant_type = type; -+ -+ return obj; -+ -+} -+ -+static int yaffs_unlink_worker(struct yaffs_obj *obj) -+{ -+ int del_now = 0; -+ -+ if (!obj) -+ return YAFFS_FAIL; -+ -+ if (!obj->my_inode) -+ del_now = 1; -+ -+ yaffs_update_parent(obj->parent); -+ -+ if (obj->variant_type == YAFFS_OBJECT_TYPE_HARDLINK) { -+ return yaffs_del_link(obj); -+ } else if (!list_empty(&obj->hard_links)) { -+ /* Curve ball: We're unlinking an object that has a hardlink. -+ * -+ * This problem arises because we are not strictly following -+ * The Linux link/inode model. -+ * -+ * We can't really delete the object. -+ * Instead, we do the following: -+ * - Select a hardlink. -+ * - Unhook it from the hard links -+ * - Move it from its parent directory so that the rename works. -+ * - Rename the object to the hardlink's name. -+ * - Delete the hardlink -+ */ -+ -+ struct yaffs_obj *hl; -+ struct yaffs_obj *parent; -+ int ret_val; -+ YCHAR name[YAFFS_MAX_NAME_LENGTH + 1]; -+ -+ hl = list_entry(obj->hard_links.next, struct yaffs_obj, -+ hard_links); -+ -+ yaffs_get_obj_name(hl, name, YAFFS_MAX_NAME_LENGTH + 1); -+ parent = hl->parent; -+ -+ list_del_init(&hl->hard_links); -+ -+ yaffs_add_obj_to_dir(obj->my_dev->unlinked_dir, hl); -+ -+ ret_val = yaffs_change_obj_name(obj, parent, name, 0, 0); -+ -+ if (ret_val == YAFFS_OK) -+ ret_val = yaffs_generic_obj_del(hl); -+ -+ return ret_val; -+ -+ } else if (del_now) { -+ switch (obj->variant_type) { -+ case YAFFS_OBJECT_TYPE_FILE: -+ return yaffs_del_file(obj); -+ break; -+ case YAFFS_OBJECT_TYPE_DIRECTORY: -+ list_del_init(&obj->variant.dir_variant.dirty); -+ return yaffs_del_dir(obj); -+ break; -+ case YAFFS_OBJECT_TYPE_SYMLINK: -+ return yaffs_del_symlink(obj); -+ break; -+ case YAFFS_OBJECT_TYPE_SPECIAL: -+ return yaffs_generic_obj_del(obj); -+ break; -+ case YAFFS_OBJECT_TYPE_HARDLINK: -+ case YAFFS_OBJECT_TYPE_UNKNOWN: -+ default: -+ return YAFFS_FAIL; -+ } -+ } else if (yaffs_is_non_empty_dir(obj)) { -+ return YAFFS_FAIL; -+ } else { -+ return yaffs_change_obj_name(obj, obj->my_dev->unlinked_dir, -+ _Y("unlinked"), 0, 0); -+ } -+} -+ -+static int yaffs_unlink_obj(struct yaffs_obj *obj) -+{ -+ if (obj && obj->unlink_allowed) -+ return yaffs_unlink_worker(obj); -+ -+ return YAFFS_FAIL; -+} -+ -+int yaffs_unlinker(struct yaffs_obj *dir, const YCHAR *name) -+{ -+ struct yaffs_obj *obj; -+ -+ obj = yaffs_find_by_name(dir, name); -+ return yaffs_unlink_obj(obj); -+} -+ -+/* Note: -+ * If old_name is NULL then we take old_dir as the object to be renamed. -+ */ -+int yaffs_rename_obj(struct yaffs_obj *old_dir, const YCHAR *old_name, -+ struct yaffs_obj *new_dir, const YCHAR *new_name) -+{ -+ struct yaffs_obj *obj = NULL; -+ struct yaffs_obj *existing_target = NULL; -+ int force = 0; -+ int result; -+ struct yaffs_dev *dev; -+ -+ if (!old_dir || old_dir->variant_type != YAFFS_OBJECT_TYPE_DIRECTORY) { -+ BUG(); -+ return YAFFS_FAIL; -+ } -+ if (!new_dir || new_dir->variant_type != YAFFS_OBJECT_TYPE_DIRECTORY) { -+ BUG(); -+ return YAFFS_FAIL; -+ } -+ -+ dev = old_dir->my_dev; -+ -+#ifdef CONFIG_YAFFS_CASE_INSENSITIVE -+ /* Special case for case insemsitive systems. -+ * While look-up is case insensitive, the name isn't. -+ * Therefore we might want to change x.txt to X.txt -+ */ -+ if (old_dir == new_dir && -+ old_name && new_name && -+ strcmp(old_name, new_name) == 0) -+ force = 1; -+#endif -+ -+ if (strnlen(new_name, YAFFS_MAX_NAME_LENGTH + 1) > -+ YAFFS_MAX_NAME_LENGTH) -+ /* ENAMETOOLONG */ -+ return YAFFS_FAIL; -+ -+ if (old_name) -+ obj = yaffs_find_by_name(old_dir, old_name); -+ else{ -+ obj = old_dir; -+ old_dir = obj->parent; -+ } -+ -+ if (obj && obj->rename_allowed) { -+ /* Now handle an existing target, if there is one */ -+ existing_target = yaffs_find_by_name(new_dir, new_name); -+ if (yaffs_is_non_empty_dir(existing_target)) { -+ return YAFFS_FAIL; /* ENOTEMPTY */ -+ } else if (existing_target && existing_target != obj) { -+ /* Nuke the target first, using shadowing, -+ * but only if it isn't the same object. -+ * -+ * Note we must disable gc here otherwise it can mess -+ * up the shadowing. -+ * -+ */ -+ dev->gc_disable = 1; -+ yaffs_change_obj_name(obj, new_dir, new_name, force, -+ existing_target->obj_id); -+ existing_target->is_shadowed = 1; -+ yaffs_unlink_obj(existing_target); -+ dev->gc_disable = 0; -+ } -+ -+ result = yaffs_change_obj_name(obj, new_dir, new_name, 1, 0); -+ -+ yaffs_update_parent(old_dir); -+ if (new_dir != old_dir) -+ yaffs_update_parent(new_dir); -+ -+ return result; -+ } -+ return YAFFS_FAIL; -+} -+ -+/*----------------------- Initialisation Scanning ---------------------- */ -+ -+void yaffs_handle_shadowed_obj(struct yaffs_dev *dev, int obj_id, -+ int backward_scanning) -+{ -+ struct yaffs_obj *obj; -+ -+ if (backward_scanning) { -+ /* Handle YAFFS2 case (backward scanning) -+ * If the shadowed object exists then ignore. -+ */ -+ obj = yaffs_find_by_number(dev, obj_id); -+ if (obj) -+ return; -+ } -+ -+ /* Let's create it (if it does not exist) assuming it is a file so that -+ * it can do shrinking etc. -+ * We put it in unlinked dir to be cleaned up after the scanning -+ */ -+ obj = -+ yaffs_find_or_create_by_number(dev, obj_id, YAFFS_OBJECT_TYPE_FILE); -+ if (!obj) -+ return; -+ obj->is_shadowed = 1; -+ yaffs_add_obj_to_dir(dev->unlinked_dir, obj); -+ obj->variant.file_variant.shrink_size = 0; -+ obj->valid = 1; /* So that we don't read any other info. */ -+} -+ -+void yaffs_link_fixup(struct yaffs_dev *dev, struct list_head *hard_list) -+{ -+ struct list_head *lh; -+ struct list_head *save; -+ struct yaffs_obj *hl; -+ struct yaffs_obj *in; -+ -+ list_for_each_safe(lh, save, hard_list) { -+ hl = list_entry(lh, struct yaffs_obj, hard_links); -+ in = yaffs_find_by_number(dev, -+ hl->variant.hardlink_variant.equiv_id); -+ -+ if (in) { -+ /* Add the hardlink pointers */ -+ hl->variant.hardlink_variant.equiv_obj = in; -+ list_add(&hl->hard_links, &in->hard_links); -+ } else { -+ /* Todo Need to report/handle this better. -+ * Got a problem... hardlink to a non-existant object -+ */ -+ hl->variant.hardlink_variant.equiv_obj = NULL; -+ INIT_LIST_HEAD(&hl->hard_links); -+ } -+ } -+} -+ -+static void yaffs_strip_deleted_objs(struct yaffs_dev *dev) -+{ -+ /* -+ * Sort out state of unlinked and deleted objects after scanning. -+ */ -+ struct list_head *i; -+ struct list_head *n; -+ struct yaffs_obj *l; -+ -+ if (dev->read_only) -+ return; -+ -+ /* Soft delete all the unlinked files */ -+ list_for_each_safe(i, n, -+ &dev->unlinked_dir->variant.dir_variant.children) { -+ l = list_entry(i, struct yaffs_obj, siblings); -+ yaffs_del_obj(l); -+ } -+ -+ list_for_each_safe(i, n, &dev->del_dir->variant.dir_variant.children) { -+ l = list_entry(i, struct yaffs_obj, siblings); -+ yaffs_del_obj(l); -+ } -+} -+ -+/* -+ * This code iterates through all the objects making sure that they are rooted. -+ * Any unrooted objects are re-rooted in lost+found. -+ * An object needs to be in one of: -+ * - Directly under deleted, unlinked -+ * - Directly or indirectly under root. -+ * -+ * Note: -+ * This code assumes that we don't ever change the current relationships -+ * between directories: -+ * root_dir->parent == unlinked_dir->parent == del_dir->parent == NULL -+ * lost-n-found->parent == root_dir -+ * -+ * This fixes the problem where directories might have inadvertently been -+ * deleted leaving the object "hanging" without being rooted in the -+ * directory tree. -+ */ -+ -+static int yaffs_has_null_parent(struct yaffs_dev *dev, struct yaffs_obj *obj) -+{ -+ return (obj == dev->del_dir || -+ obj == dev->unlinked_dir || obj == dev->root_dir); -+} -+ -+static void yaffs_fix_hanging_objs(struct yaffs_dev *dev) -+{ -+ struct yaffs_obj *obj; -+ struct yaffs_obj *parent; -+ int i; -+ struct list_head *lh; -+ struct list_head *n; -+ int depth_limit; -+ int hanging; -+ -+ if (dev->read_only) -+ return; -+ -+ /* Iterate through the objects in each hash entry, -+ * looking at each object. -+ * Make sure it is rooted. -+ */ -+ -+ for (i = 0; i < YAFFS_NOBJECT_BUCKETS; i++) { -+ list_for_each_safe(lh, n, &dev->obj_bucket[i].list) { -+ obj = list_entry(lh, struct yaffs_obj, hash_link); -+ parent = obj->parent; -+ -+ if (yaffs_has_null_parent(dev, obj)) { -+ /* These directories are not hanging */ -+ hanging = 0; -+ } else if (!parent || -+ parent->variant_type != -+ YAFFS_OBJECT_TYPE_DIRECTORY) { -+ hanging = 1; -+ } else if (yaffs_has_null_parent(dev, parent)) { -+ hanging = 0; -+ } else { -+ /* -+ * Need to follow the parent chain to -+ * see if it is hanging. -+ */ -+ hanging = 0; -+ depth_limit = 100; -+ -+ while (parent != dev->root_dir && -+ parent->parent && -+ parent->parent->variant_type == -+ YAFFS_OBJECT_TYPE_DIRECTORY && -+ depth_limit > 0) { -+ parent = parent->parent; -+ depth_limit--; -+ } -+ if (parent != dev->root_dir) -+ hanging = 1; -+ } -+ if (hanging) { -+ yaffs_trace(YAFFS_TRACE_SCAN, -+ "Hanging object %d moved to lost and found", -+ obj->obj_id); -+ yaffs_add_obj_to_dir(dev->lost_n_found, obj); -+ } -+ } -+ } -+} -+ -+/* -+ * Delete directory contents for cleaning up lost and found. -+ */ -+static void yaffs_del_dir_contents(struct yaffs_obj *dir) -+{ -+ struct yaffs_obj *obj; -+ struct list_head *lh; -+ struct list_head *n; -+ -+ if (dir->variant_type != YAFFS_OBJECT_TYPE_DIRECTORY) -+ BUG(); -+ -+ list_for_each_safe(lh, n, &dir->variant.dir_variant.children) { -+ obj = list_entry(lh, struct yaffs_obj, siblings); -+ if (obj->variant_type == YAFFS_OBJECT_TYPE_DIRECTORY) -+ yaffs_del_dir_contents(obj); -+ yaffs_trace(YAFFS_TRACE_SCAN, -+ "Deleting lost_found object %d", -+ obj->obj_id); -+ yaffs_unlink_obj(obj); -+ } -+} -+ -+static void yaffs_empty_l_n_f(struct yaffs_dev *dev) -+{ -+ yaffs_del_dir_contents(dev->lost_n_found); -+} -+ -+ -+struct yaffs_obj *yaffs_find_by_name(struct yaffs_obj *directory, -+ const YCHAR *name) -+{ -+ int sum; -+ struct list_head *i; -+ YCHAR buffer[YAFFS_MAX_NAME_LENGTH + 1]; -+ struct yaffs_obj *l; -+ -+ if (!name) -+ return NULL; -+ -+ if (!directory) { -+ yaffs_trace(YAFFS_TRACE_ALWAYS, -+ "tragedy: yaffs_find_by_name: null pointer directory" -+ ); -+ BUG(); -+ return NULL; -+ } -+ if (directory->variant_type != YAFFS_OBJECT_TYPE_DIRECTORY) { -+ yaffs_trace(YAFFS_TRACE_ALWAYS, -+ "tragedy: yaffs_find_by_name: non-directory" -+ ); -+ BUG(); -+ } -+ -+ sum = yaffs_calc_name_sum(name); -+ -+ list_for_each(i, &directory->variant.dir_variant.children) { -+ l = list_entry(i, struct yaffs_obj, siblings); -+ -+ if (l->parent != directory) -+ BUG(); -+ -+ yaffs_check_obj_details_loaded(l); -+ -+ /* Special case for lost-n-found */ -+ if (l->obj_id == YAFFS_OBJECTID_LOSTNFOUND) { -+ if (!strcmp(name, YAFFS_LOSTNFOUND_NAME)) -+ return l; -+ } else if (l->sum == sum || l->hdr_chunk <= 0) { -+ /* LostnFound chunk called Objxxx -+ * Do a real check -+ */ -+ yaffs_get_obj_name(l, buffer, -+ YAFFS_MAX_NAME_LENGTH + 1); -+ if (!strncmp(name, buffer, YAFFS_MAX_NAME_LENGTH)) -+ return l; -+ } -+ } -+ return NULL; -+} -+ -+/* GetEquivalentObject dereferences any hard links to get to the -+ * actual object. -+ */ -+ -+struct yaffs_obj *yaffs_get_equivalent_obj(struct yaffs_obj *obj) -+{ -+ if (obj && obj->variant_type == YAFFS_OBJECT_TYPE_HARDLINK) { -+ obj = obj->variant.hardlink_variant.equiv_obj; -+ yaffs_check_obj_details_loaded(obj); -+ } -+ return obj; -+} -+ -+/* -+ * A note or two on object names. -+ * * If the object name is missing, we then make one up in the form objnnn -+ * -+ * * ASCII names are stored in the object header's name field from byte zero -+ * * Unicode names are historically stored starting from byte zero. -+ * -+ * Then there are automatic Unicode names... -+ * The purpose of these is to save names in a way that can be read as -+ * ASCII or Unicode names as appropriate, thus allowing a Unicode and ASCII -+ * system to share files. -+ * -+ * These automatic unicode are stored slightly differently... -+ * - If the name can fit in the ASCII character space then they are saved as -+ * ascii names as per above. -+ * - If the name needs Unicode then the name is saved in Unicode -+ * starting at oh->name[1]. -+ -+ */ -+static void yaffs_fix_null_name(struct yaffs_obj *obj, YCHAR *name, -+ int buffer_size) -+{ -+ /* Create an object name if we could not find one. */ -+ if (strnlen(name, YAFFS_MAX_NAME_LENGTH) == 0) { -+ YCHAR local_name[20]; -+ YCHAR num_string[20]; -+ YCHAR *x = &num_string[19]; -+ unsigned v = obj->obj_id; -+ num_string[19] = 0; -+ while (v > 0) { -+ x--; -+ *x = '0' + (v % 10); -+ v /= 10; -+ } -+ /* make up a name */ -+ strcpy(local_name, YAFFS_LOSTNFOUND_PREFIX); -+ strcat(local_name, x); -+ strncpy(name, local_name, buffer_size - 1); -+ } -+} -+ -+int yaffs_get_obj_name(struct yaffs_obj *obj, YCHAR *name, int buffer_size) -+{ -+ memset(name, 0, buffer_size * sizeof(YCHAR)); -+ yaffs_check_obj_details_loaded(obj); -+ if (obj->obj_id == YAFFS_OBJECTID_LOSTNFOUND) { -+ strncpy(name, YAFFS_LOSTNFOUND_NAME, buffer_size - 1); -+ } else if (obj->short_name[0]) { -+ strcpy(name, obj->short_name); -+ } else if (obj->hdr_chunk > 0) { -+ int result; -+ u8 *buffer = yaffs_get_temp_buffer(obj->my_dev); -+ -+ struct yaffs_obj_hdr *oh = (struct yaffs_obj_hdr *)buffer; -+ -+ memset(buffer, 0, obj->my_dev->data_bytes_per_chunk); -+ -+ if (obj->hdr_chunk > 0) { -+ result = yaffs_rd_chunk_tags_nand(obj->my_dev, -+ obj->hdr_chunk, -+ buffer, NULL); -+ } -+ yaffs_load_name_from_oh(obj->my_dev, name, oh->name, -+ buffer_size); -+ -+ yaffs_release_temp_buffer(obj->my_dev, buffer); -+ } -+ -+ yaffs_fix_null_name(obj, name, buffer_size); -+ -+ return strnlen(name, YAFFS_MAX_NAME_LENGTH); -+} -+ -+loff_t yaffs_get_obj_length(struct yaffs_obj *obj) -+{ -+ /* Dereference any hard linking */ -+ obj = yaffs_get_equivalent_obj(obj); -+ -+ if (obj->variant_type == YAFFS_OBJECT_TYPE_FILE) -+ return obj->variant.file_variant.file_size; -+ if (obj->variant_type == YAFFS_OBJECT_TYPE_SYMLINK) { -+ if (!obj->variant.symlink_variant.alias) -+ return 0; -+ return strnlen(obj->variant.symlink_variant.alias, -+ YAFFS_MAX_ALIAS_LENGTH); -+ } else { -+ /* Only a directory should drop through to here */ -+ return obj->my_dev->data_bytes_per_chunk; -+ } -+} -+ -+int yaffs_get_obj_link_count(struct yaffs_obj *obj) -+{ -+ int count = 0; -+ struct list_head *i; -+ -+ if (!obj->unlinked) -+ count++; /* the object itself */ -+ -+ list_for_each(i, &obj->hard_links) -+ count++; /* add the hard links; */ -+ -+ return count; -+} -+ -+int yaffs_get_obj_inode(struct yaffs_obj *obj) -+{ -+ obj = yaffs_get_equivalent_obj(obj); -+ -+ return obj->obj_id; -+} -+ -+unsigned yaffs_get_obj_type(struct yaffs_obj *obj) -+{ -+ obj = yaffs_get_equivalent_obj(obj); -+ -+ switch (obj->variant_type) { -+ case YAFFS_OBJECT_TYPE_FILE: -+ return DT_REG; -+ break; -+ case YAFFS_OBJECT_TYPE_DIRECTORY: -+ return DT_DIR; -+ break; -+ case YAFFS_OBJECT_TYPE_SYMLINK: -+ return DT_LNK; -+ break; -+ case YAFFS_OBJECT_TYPE_HARDLINK: -+ return DT_REG; -+ break; -+ case YAFFS_OBJECT_TYPE_SPECIAL: -+ if (S_ISFIFO(obj->yst_mode)) -+ return DT_FIFO; -+ if (S_ISCHR(obj->yst_mode)) -+ return DT_CHR; -+ if (S_ISBLK(obj->yst_mode)) -+ return DT_BLK; -+ if (S_ISSOCK(obj->yst_mode)) -+ return DT_SOCK; -+ return DT_REG; -+ break; -+ default: -+ return DT_REG; -+ break; -+ } -+} -+ -+YCHAR *yaffs_get_symlink_alias(struct yaffs_obj *obj) -+{ -+ obj = yaffs_get_equivalent_obj(obj); -+ if (obj->variant_type == YAFFS_OBJECT_TYPE_SYMLINK) -+ return yaffs_clone_str(obj->variant.symlink_variant.alias); -+ else -+ return yaffs_clone_str(_Y("")); -+} -+ -+/*--------------------------- Initialisation code -------------------------- */ -+ -+static int yaffs_check_dev_fns(struct yaffs_dev *dev) -+{ -+ struct yaffs_driver *drv = &dev->drv; -+ struct yaffs_tags_handler *tagger = &dev->tagger; -+ -+ /* Common functions, gotta have */ -+ if (!drv->drv_read_chunk_fn || -+ !drv->drv_write_chunk_fn || -+ !drv->drv_erase_fn) -+ return 0; -+ -+ if (dev->param.is_yaffs2 && -+ (!drv->drv_mark_bad_fn || !drv->drv_check_bad_fn)) -+ return 0; -+ -+ /* Install the default tags marshalling functions if needed. */ -+ yaffs_tags_compat_install(dev); -+ yaffs_tags_marshall_install(dev); -+ -+ /* Check we now have the marshalling functions required. */ -+ if (!tagger->write_chunk_tags_fn || -+ !tagger->read_chunk_tags_fn || -+ !tagger->query_block_fn || -+ !tagger->mark_bad_fn) -+ return 0; -+ -+ return 1; -+} -+ -+static int yaffs_create_initial_dir(struct yaffs_dev *dev) -+{ -+ /* Initialise the unlinked, deleted, root and lost+found directories */ -+ dev->lost_n_found = dev->root_dir = NULL; -+ dev->unlinked_dir = dev->del_dir = NULL; -+ dev->unlinked_dir = -+ yaffs_create_fake_dir(dev, YAFFS_OBJECTID_UNLINKED, S_IFDIR); -+ dev->del_dir = -+ yaffs_create_fake_dir(dev, YAFFS_OBJECTID_DELETED, S_IFDIR); -+ dev->root_dir = -+ yaffs_create_fake_dir(dev, YAFFS_OBJECTID_ROOT, -+ YAFFS_ROOT_MODE | S_IFDIR); -+ dev->lost_n_found = -+ yaffs_create_fake_dir(dev, YAFFS_OBJECTID_LOSTNFOUND, -+ YAFFS_LOSTNFOUND_MODE | S_IFDIR); -+ -+ if (dev->lost_n_found && dev->root_dir && dev->unlinked_dir -+ && dev->del_dir) { -+ yaffs_add_obj_to_dir(dev->root_dir, dev->lost_n_found); -+ return YAFFS_OK; -+ } -+ return YAFFS_FAIL; -+} -+ -+/* Low level init. -+ * Typically only used by yaffs_guts_initialise, but also used by the -+ * Low level yaffs driver tests. -+ */ -+ -+int yaffs_guts_ll_init(struct yaffs_dev *dev) -+{ -+ -+ -+ yaffs_trace(YAFFS_TRACE_TRACING, "yaffs: yaffs_ll_init()"); -+ -+ if (!dev) { -+ yaffs_trace(YAFFS_TRACE_ALWAYS, -+ "yaffs: Need a device" -+ ); -+ return YAFFS_FAIL; -+ } -+ -+ if (dev->ll_init) -+ return YAFFS_OK; -+ -+ dev->internal_start_block = dev->param.start_block; -+ dev->internal_end_block = dev->param.end_block; -+ dev->block_offset = 0; -+ dev->chunk_offset = 0; -+ dev->n_free_chunks = 0; -+ -+ dev->gc_block = 0; -+ -+ if (dev->param.start_block == 0) { -+ dev->internal_start_block = dev->param.start_block + 1; -+ dev->internal_end_block = dev->param.end_block + 1; -+ dev->block_offset = 1; -+ dev->chunk_offset = dev->param.chunks_per_block; -+ } -+ -+ /* Check geometry parameters. */ -+ -+ if ((!dev->param.inband_tags && dev->param.is_yaffs2 && -+ dev->param.total_bytes_per_chunk < 1024) || -+ (!dev->param.is_yaffs2 && -+ dev->param.total_bytes_per_chunk < 512) || -+ (dev->param.inband_tags && !dev->param.is_yaffs2) || -+ dev->param.chunks_per_block < 2 || -+ dev->param.n_reserved_blocks < 2 || -+ dev->internal_start_block <= 0 || -+ dev->internal_end_block <= 0 || -+ dev->internal_end_block <= -+ (dev->internal_start_block + dev->param.n_reserved_blocks + 2) -+ ) { -+ /* otherwise it is too small */ -+ yaffs_trace(YAFFS_TRACE_ALWAYS, -+ "NAND geometry problems: chunk size %d, type is yaffs%s, inband_tags %d ", -+ dev->param.total_bytes_per_chunk, -+ dev->param.is_yaffs2 ? "2" : "", -+ dev->param.inband_tags); -+ return YAFFS_FAIL; -+ } -+ -+ /* Sort out space for inband tags, if required */ -+ if (dev->param.inband_tags) -+ dev->data_bytes_per_chunk = -+ dev->param.total_bytes_per_chunk - -+ sizeof(struct yaffs_packed_tags2_tags_only); -+ else -+ dev->data_bytes_per_chunk = dev->param.total_bytes_per_chunk; -+ -+ /* Got the right mix of functions? */ -+ if (!yaffs_check_dev_fns(dev)) { -+ /* Function missing */ -+ yaffs_trace(YAFFS_TRACE_ALWAYS, -+ "device function(s) missing or wrong"); -+ -+ return YAFFS_FAIL; -+ } -+ -+ if (yaffs_init_nand(dev) != YAFFS_OK) { -+ yaffs_trace(YAFFS_TRACE_ALWAYS, "InitialiseNAND failed"); -+ return YAFFS_FAIL; -+ } -+ -+ return YAFFS_OK; -+} -+ -+ -+int yaffs_guts_format_dev(struct yaffs_dev *dev) -+{ -+ int i; -+ enum yaffs_block_state state; -+ u32 dummy; -+ -+ if(yaffs_guts_ll_init(dev) != YAFFS_OK) -+ return YAFFS_FAIL; -+ -+ if(dev->is_mounted) -+ return YAFFS_FAIL; -+ -+ for (i = dev->internal_start_block; i <= dev->internal_end_block; i++) { -+ yaffs_query_init_block_state(dev, i, &state, &dummy); -+ if (state != YAFFS_BLOCK_STATE_DEAD) -+ yaffs_erase_block(dev, i); -+ } -+ -+ return YAFFS_OK; -+} -+ -+ -+int yaffs_guts_initialise(struct yaffs_dev *dev) -+{ -+ int init_failed = 0; -+ unsigned x; -+ int bits; -+ -+ if(yaffs_guts_ll_init(dev) != YAFFS_OK) -+ return YAFFS_FAIL; -+ -+ if (dev->is_mounted) { -+ yaffs_trace(YAFFS_TRACE_ALWAYS, "device already mounted"); -+ return YAFFS_FAIL; -+ } -+ -+ dev->is_mounted = 1; -+ -+ /* OK now calculate a few things for the device */ -+ -+ /* -+ * Calculate all the chunk size manipulation numbers: -+ */ -+ x = dev->data_bytes_per_chunk; -+ /* We always use dev->chunk_shift and dev->chunk_div */ -+ dev->chunk_shift = calc_shifts(x); -+ x >>= dev->chunk_shift; -+ dev->chunk_div = x; -+ /* We only use chunk mask if chunk_div is 1 */ -+ dev->chunk_mask = (1 << dev->chunk_shift) - 1; -+ -+ /* -+ * Calculate chunk_grp_bits. -+ * We need to find the next power of 2 > than internal_end_block -+ */ -+ -+ x = dev->param.chunks_per_block * (dev->internal_end_block + 1); -+ -+ bits = calc_shifts_ceiling(x); -+ -+ /* Set up tnode width if wide tnodes are enabled. */ -+ if (!dev->param.wide_tnodes_disabled) { -+ /* bits must be even so that we end up with 32-bit words */ -+ if (bits & 1) -+ bits++; -+ if (bits < 16) -+ dev->tnode_width = 16; -+ else -+ dev->tnode_width = bits; -+ } else { -+ dev->tnode_width = 16; -+ } -+ -+ dev->tnode_mask = (1 << dev->tnode_width) - 1; -+ -+ /* Level0 Tnodes are 16 bits or wider (if wide tnodes are enabled), -+ * so if the bitwidth of the -+ * chunk range we're using is greater than 16 we need -+ * to figure out chunk shift and chunk_grp_size -+ */ -+ -+ if (bits <= dev->tnode_width) -+ dev->chunk_grp_bits = 0; -+ else -+ dev->chunk_grp_bits = bits - dev->tnode_width; -+ -+ dev->tnode_size = (dev->tnode_width * YAFFS_NTNODES_LEVEL0) / 8; -+ if (dev->tnode_size < sizeof(struct yaffs_tnode)) -+ dev->tnode_size = sizeof(struct yaffs_tnode); -+ -+ dev->chunk_grp_size = 1 << dev->chunk_grp_bits; -+ -+ if (dev->param.chunks_per_block < dev->chunk_grp_size) { -+ /* We have a problem because the soft delete won't work if -+ * the chunk group size > chunks per block. -+ * This can be remedied by using larger "virtual blocks". -+ */ -+ yaffs_trace(YAFFS_TRACE_ALWAYS, "chunk group too large"); -+ -+ return YAFFS_FAIL; -+ } -+ -+ /* Finished verifying the device, continue with initialisation */ -+ -+ /* More device initialisation */ -+ dev->all_gcs = 0; -+ dev->passive_gc_count = 0; -+ dev->oldest_dirty_gc_count = 0; -+ dev->bg_gcs = 0; -+ dev->gc_block_finder = 0; -+ dev->buffered_block = -1; -+ dev->doing_buffered_block_rewrite = 0; -+ dev->n_deleted_files = 0; -+ dev->n_bg_deletions = 0; -+ dev->n_unlinked_files = 0; -+ dev->n_ecc_fixed = 0; -+ dev->n_ecc_unfixed = 0; -+ dev->n_tags_ecc_fixed = 0; -+ dev->n_tags_ecc_unfixed = 0; -+ dev->n_erase_failures = 0; -+ dev->n_erased_blocks = 0; -+ dev->gc_disable = 0; -+ dev->has_pending_prioritised_gc = 1; -+ /* Assume the worst for now, will get fixed on first GC */ -+ INIT_LIST_HEAD(&dev->dirty_dirs); -+ dev->oldest_dirty_seq = 0; -+ dev->oldest_dirty_block = 0; -+ -+ /* Initialise temporary buffers and caches. */ -+ if (!yaffs_init_tmp_buffers(dev)) -+ init_failed = 1; -+ -+ dev->cache = NULL; -+ dev->gc_cleanup_list = NULL; -+ -+ if (!init_failed && dev->param.n_caches > 0) { -+ int i; -+ void *buf; -+ int cache_bytes = -+ dev->param.n_caches * sizeof(struct yaffs_cache); -+ -+ if (dev->param.n_caches > YAFFS_MAX_SHORT_OP_CACHES) -+ dev->param.n_caches = YAFFS_MAX_SHORT_OP_CACHES; -+ -+ dev->cache = kmalloc(cache_bytes, GFP_NOFS); -+ -+ buf = (u8 *) dev->cache; -+ -+ if (dev->cache) -+ memset(dev->cache, 0, cache_bytes); -+ -+ for (i = 0; i < dev->param.n_caches && buf; i++) { -+ dev->cache[i].object = NULL; -+ dev->cache[i].last_use = 0; -+ dev->cache[i].dirty = 0; -+ dev->cache[i].data = buf = -+ kmalloc(dev->param.total_bytes_per_chunk, GFP_NOFS); -+ } -+ if (!buf) -+ init_failed = 1; -+ -+ dev->cache_last_use = 0; -+ } -+ -+ dev->cache_hits = 0; -+ -+ if (!init_failed) { -+ dev->gc_cleanup_list = -+ kmalloc(dev->param.chunks_per_block * sizeof(u32), -+ GFP_NOFS); -+ if (!dev->gc_cleanup_list) -+ init_failed = 1; -+ } -+ -+ if (dev->param.is_yaffs2) -+ dev->param.use_header_file_size = 1; -+ -+ if (!init_failed && !yaffs_init_blocks(dev)) -+ init_failed = 1; -+ -+ yaffs_init_tnodes_and_objs(dev); -+ -+ if (!init_failed && !yaffs_create_initial_dir(dev)) -+ init_failed = 1; -+ -+ if (!init_failed && dev->param.is_yaffs2 && -+ !dev->param.disable_summary && -+ !yaffs_summary_init(dev)) -+ init_failed = 1; -+ -+ if (!init_failed) { -+ /* Now scan the flash. */ -+ if (dev->param.is_yaffs2) { -+ if (yaffs2_checkpt_restore(dev)) { -+ yaffs_check_obj_details_loaded(dev->root_dir); -+ yaffs_trace(YAFFS_TRACE_CHECKPOINT | -+ YAFFS_TRACE_MOUNT, -+ "yaffs: restored from checkpoint" -+ ); -+ } else { -+ -+ /* Clean up the mess caused by an aborted -+ * checkpoint load then scan backwards. -+ */ -+ yaffs_deinit_blocks(dev); -+ -+ yaffs_deinit_tnodes_and_objs(dev); -+ -+ dev->n_erased_blocks = 0; -+ dev->n_free_chunks = 0; -+ dev->alloc_block = -1; -+ dev->alloc_page = -1; -+ dev->n_deleted_files = 0; -+ dev->n_unlinked_files = 0; -+ dev->n_bg_deletions = 0; -+ -+ if (!init_failed && !yaffs_init_blocks(dev)) -+ init_failed = 1; -+ -+ yaffs_init_tnodes_and_objs(dev); -+ -+ if (!init_failed -+ && !yaffs_create_initial_dir(dev)) -+ init_failed = 1; -+ -+ if (!init_failed && !yaffs2_scan_backwards(dev)) -+ init_failed = 1; -+ } -+ } else if (!yaffs1_scan(dev)) { -+ init_failed = 1; -+ } -+ -+ yaffs_strip_deleted_objs(dev); -+ yaffs_fix_hanging_objs(dev); -+ if (dev->param.empty_lost_n_found) -+ yaffs_empty_l_n_f(dev); -+ } -+ -+ if (init_failed) { -+ /* Clean up the mess */ -+ yaffs_trace(YAFFS_TRACE_TRACING, -+ "yaffs: yaffs_guts_initialise() aborted."); -+ -+ yaffs_deinitialise(dev); -+ return YAFFS_FAIL; -+ } -+ -+ /* Zero out stats */ -+ dev->n_page_reads = 0; -+ dev->n_page_writes = 0; -+ dev->n_erasures = 0; -+ dev->n_gc_copies = 0; -+ dev->n_retried_writes = 0; -+ -+ dev->n_retired_blocks = 0; -+ -+ yaffs_verify_free_chunks(dev); -+ yaffs_verify_blocks(dev); -+ -+ /* Clean up any aborted checkpoint data */ -+ if (!dev->is_checkpointed && dev->blocks_in_checkpt > 0) -+ yaffs2_checkpt_invalidate(dev); -+ -+ yaffs_trace(YAFFS_TRACE_TRACING, -+ "yaffs: yaffs_guts_initialise() done."); -+ return YAFFS_OK; -+} -+ -+void yaffs_deinitialise(struct yaffs_dev *dev) -+{ -+ if (dev->is_mounted) { -+ int i; -+ -+ yaffs_deinit_blocks(dev); -+ yaffs_deinit_tnodes_and_objs(dev); -+ yaffs_summary_deinit(dev); -+ -+ if (dev->param.n_caches > 0 && dev->cache) { -+ -+ for (i = 0; i < dev->param.n_caches; i++) { -+ kfree(dev->cache[i].data); -+ dev->cache[i].data = NULL; -+ } -+ -+ kfree(dev->cache); -+ dev->cache = NULL; -+ } -+ -+ kfree(dev->gc_cleanup_list); -+ -+ for (i = 0; i < YAFFS_N_TEMP_BUFFERS; i++) -+ kfree(dev->temp_buffer[i].buffer); -+ -+ dev->is_mounted = 0; -+ -+ yaffs_deinit_nand(dev); -+ } -+} -+ -+int yaffs_count_free_chunks(struct yaffs_dev *dev) -+{ -+ int n_free = 0; -+ int b; -+ struct yaffs_block_info *blk; -+ -+ blk = dev->block_info; -+ for (b = dev->internal_start_block; b <= dev->internal_end_block; b++) { -+ switch (blk->block_state) { -+ case YAFFS_BLOCK_STATE_EMPTY: -+ case YAFFS_BLOCK_STATE_ALLOCATING: -+ case YAFFS_BLOCK_STATE_COLLECTING: -+ case YAFFS_BLOCK_STATE_FULL: -+ n_free += -+ (dev->param.chunks_per_block - blk->pages_in_use + -+ blk->soft_del_pages); -+ break; -+ default: -+ break; -+ } -+ blk++; -+ } -+ return n_free; -+} -+ -+int yaffs_get_n_free_chunks(struct yaffs_dev *dev) -+{ -+ /* This is what we report to the outside world */ -+ int n_free; -+ int n_dirty_caches; -+ int blocks_for_checkpt; -+ int i; -+ -+ n_free = dev->n_free_chunks; -+ n_free += dev->n_deleted_files; -+ -+ /* Now count and subtract the number of dirty chunks in the cache. */ -+ -+ for (n_dirty_caches = 0, i = 0; i < dev->param.n_caches; i++) { -+ if (dev->cache[i].dirty) -+ n_dirty_caches++; -+ } -+ -+ n_free -= n_dirty_caches; -+ -+ n_free -= -+ ((dev->param.n_reserved_blocks + 1) * dev->param.chunks_per_block); -+ -+ /* Now figure checkpoint space and report that... */ -+ blocks_for_checkpt = yaffs_calc_checkpt_blocks_required(dev); -+ -+ n_free -= (blocks_for_checkpt * dev->param.chunks_per_block); -+ -+ if (n_free < 0) -+ n_free = 0; -+ -+ return n_free; -+} -+ -+ -+ -+/* -+ * Marshalling functions to get loff_t file sizes into and out of -+ * object headers. -+ */ -+void yaffs_oh_size_load(struct yaffs_obj_hdr *oh, loff_t fsize) -+{ -+ oh->file_size_low = (fsize & 0xFFFFFFFF); -+ oh->file_size_high = ((fsize >> 32) & 0xFFFFFFFF); -+} -+ -+loff_t yaffs_oh_to_size(struct yaffs_obj_hdr *oh) -+{ -+ loff_t retval; -+ -+ if (sizeof(loff_t) >= 8 && ~(oh->file_size_high)) -+ retval = (((loff_t) oh->file_size_high) << 32) | -+ (((loff_t) oh->file_size_low) & 0xFFFFFFFF); -+ else -+ retval = (loff_t) oh->file_size_low; -+ -+ return retval; -+} -+ -+ -+void yaffs_count_blocks_by_state(struct yaffs_dev *dev, int bs[10]) -+{ -+ int i; -+ struct yaffs_block_info *bi; -+ int s; -+ -+ for(i = 0; i < 10; i++) -+ bs[i] = 0; -+ -+ for(i = dev->internal_start_block; i <= dev->internal_end_block; i++) { -+ bi = yaffs_get_block_info(dev, i); -+ s = bi->block_state; -+ if(s > YAFFS_BLOCK_STATE_DEAD || s < YAFFS_BLOCK_STATE_UNKNOWN) -+ bs[0]++; -+ else -+ bs[s]++; -+ } -+} -diff -Nur linux-3.15-rc5.orig/fs/yaffs2/yaffs_guts.h linux-3.15-rc5/fs/yaffs2/yaffs_guts.h ---- linux-3.15-rc5.orig/fs/yaffs2/yaffs_guts.h 1970-01-01 01:00:00.000000000 +0100 -+++ linux-3.15-rc5/fs/yaffs2/yaffs_guts.h 2014-05-17 01:53:27.000000000 +0200 -@@ -0,0 +1,1007 @@ -+/* -+ * YAFFS: Yet another Flash File System . A NAND-flash specific file system. -+ * -+ * Copyright (C) 2002-2011 Aleph One Ltd. -+ * for Toby Churchill Ltd and Brightstar Engineering -+ * -+ * Created by Charles Manning -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU Lesser General Public License version 2.1 as -+ * published by the Free Software Foundation. -+ * -+ * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL. -+ */ -+ -+#ifndef __YAFFS_GUTS_H__ -+#define __YAFFS_GUTS_H__ -+ -+#include "yportenv.h" -+ -+#define YAFFS_OK 1 -+#define YAFFS_FAIL 0 -+ -+/* Give us a Y=0x59, -+ * Give us an A=0x41, -+ * Give us an FF=0xff -+ * Give us an S=0x53 -+ * And what have we got... -+ */ -+#define YAFFS_MAGIC 0x5941ff53 -+ -+/* -+ * Tnodes form a tree with the tnodes in "levels" -+ * Levels greater than 0 hold 8 slots which point to other tnodes. -+ * Those at level 0 hold 16 slots which point to chunks in NAND. -+ * -+ * A maximum level of 8 thust supports files of size up to: -+ * -+ * 2^(3*MAX_LEVEL+4) -+ * -+ * Thus a max level of 8 supports files with up to 2^^28 chunks which gives -+ * a maximum file size of around 512Gbytees with 2k chunks. -+ */ -+#define YAFFS_NTNODES_LEVEL0 16 -+#define YAFFS_TNODES_LEVEL0_BITS 4 -+#define YAFFS_TNODES_LEVEL0_MASK 0xf -+ -+#define YAFFS_NTNODES_INTERNAL (YAFFS_NTNODES_LEVEL0 / 2) -+#define YAFFS_TNODES_INTERNAL_BITS (YAFFS_TNODES_LEVEL0_BITS - 1) -+#define YAFFS_TNODES_INTERNAL_MASK 0x7 -+#define YAFFS_TNODES_MAX_LEVEL 8 -+#define YAFFS_TNODES_MAX_BITS (YAFFS_TNODES_LEVEL0_BITS + \ -+ YAFFS_TNODES_INTERNAL_BITS * \ -+ YAFFS_TNODES_MAX_LEVEL) -+#define YAFFS_MAX_CHUNK_ID ((1 << YAFFS_TNODES_MAX_BITS) - 1) -+ -+#define YAFFS_MAX_FILE_SIZE_32 0x7fffffff -+ -+/* Constants for YAFFS1 mode */ -+#define YAFFS_BYTES_PER_SPARE 16 -+#define YAFFS_BYTES_PER_CHUNK 512 -+#define YAFFS_CHUNK_SIZE_SHIFT 9 -+#define YAFFS_CHUNKS_PER_BLOCK 32 -+#define YAFFS_BYTES_PER_BLOCK (YAFFS_CHUNKS_PER_BLOCK*YAFFS_BYTES_PER_CHUNK) -+ -+#define YAFFS_MIN_YAFFS2_CHUNK_SIZE 1024 -+#define YAFFS_MIN_YAFFS2_SPARE_SIZE 32 -+ -+ -+ -+#define YAFFS_ALLOCATION_NOBJECTS 100 -+#define YAFFS_ALLOCATION_NTNODES 100 -+#define YAFFS_ALLOCATION_NLINKS 100 -+ -+#define YAFFS_NOBJECT_BUCKETS 256 -+ -+#define YAFFS_OBJECT_SPACE 0x40000 -+#define YAFFS_MAX_OBJECT_ID (YAFFS_OBJECT_SPACE - 1) -+ -+/* Binary data version stamps */ -+#define YAFFS_SUMMARY_VERSION 1 -+#define YAFFS_CHECKPOINT_VERSION 7 -+ -+#ifdef CONFIG_YAFFS_UNICODE -+#define YAFFS_MAX_NAME_LENGTH 127 -+#define YAFFS_MAX_ALIAS_LENGTH 79 -+#else -+#define YAFFS_MAX_NAME_LENGTH 255 -+#define YAFFS_MAX_ALIAS_LENGTH 159 -+#endif -+ -+#define YAFFS_SHORT_NAME_LENGTH 15 -+ -+/* Some special object ids for pseudo objects */ -+#define YAFFS_OBJECTID_ROOT 1 -+#define YAFFS_OBJECTID_LOSTNFOUND 2 -+#define YAFFS_OBJECTID_UNLINKED 3 -+#define YAFFS_OBJECTID_DELETED 4 -+ -+/* Fake object Id for summary data */ -+#define YAFFS_OBJECTID_SUMMARY 0x10 -+ -+/* Pseudo object ids for checkpointing */ -+#define YAFFS_OBJECTID_CHECKPOINT_DATA 0x20 -+#define YAFFS_SEQUENCE_CHECKPOINT_DATA 0x21 -+ -+#define YAFFS_MAX_SHORT_OP_CACHES 20 -+ -+#define YAFFS_N_TEMP_BUFFERS 6 -+ -+/* We limit the number attempts at sucessfully saving a chunk of data. -+ * Small-page devices have 32 pages per block; large-page devices have 64. -+ * Default to something in the order of 5 to 10 blocks worth of chunks. -+ */ -+#define YAFFS_WR_ATTEMPTS (5*64) -+ -+/* Sequence numbers are used in YAFFS2 to determine block allocation order. -+ * The range is limited slightly to help distinguish bad numbers from good. -+ * This also allows us to perhaps in the future use special numbers for -+ * special purposes. -+ * EFFFFF00 allows the allocation of 8 blocks/second (~1Mbytes) for 15 years, -+ * and is a larger number than the lifetime of a 2GB device. -+ */ -+#define YAFFS_LOWEST_SEQUENCE_NUMBER 0x00001000 -+#define YAFFS_HIGHEST_SEQUENCE_NUMBER 0xefffff00 -+ -+/* Special sequence number for bad block that failed to be marked bad */ -+#define YAFFS_SEQUENCE_BAD_BLOCK 0xffff0000 -+ -+/* ChunkCache is used for short read/write operations.*/ -+struct yaffs_cache { -+ struct yaffs_obj *object; -+ int chunk_id; -+ int last_use; -+ int dirty; -+ int n_bytes; /* Only valid if the cache is dirty */ -+ int locked; /* Can't push out or flush while locked. */ -+ u8 *data; -+}; -+ -+/* yaffs1 tags structures in RAM -+ * NB This uses bitfield. Bitfields should not straddle a u32 boundary -+ * otherwise the structure size will get blown out. -+ */ -+ -+struct yaffs_tags { -+ u32 chunk_id:20; -+ u32 serial_number:2; -+ u32 n_bytes_lsb:10; -+ u32 obj_id:18; -+ u32 ecc:12; -+ u32 n_bytes_msb:2; -+}; -+ -+union yaffs_tags_union { -+ struct yaffs_tags as_tags; -+ u8 as_bytes[8]; -+}; -+ -+ -+/* Stuff used for extended tags in YAFFS2 */ -+ -+enum yaffs_ecc_result { -+ YAFFS_ECC_RESULT_UNKNOWN, -+ YAFFS_ECC_RESULT_NO_ERROR, -+ YAFFS_ECC_RESULT_FIXED, -+ YAFFS_ECC_RESULT_UNFIXED -+}; -+ -+enum yaffs_obj_type { -+ YAFFS_OBJECT_TYPE_UNKNOWN, -+ YAFFS_OBJECT_TYPE_FILE, -+ YAFFS_OBJECT_TYPE_SYMLINK, -+ YAFFS_OBJECT_TYPE_DIRECTORY, -+ YAFFS_OBJECT_TYPE_HARDLINK, -+ YAFFS_OBJECT_TYPE_SPECIAL -+}; -+ -+#define YAFFS_OBJECT_TYPE_MAX YAFFS_OBJECT_TYPE_SPECIAL -+ -+struct yaffs_ext_tags { -+ unsigned chunk_used; /* Status of the chunk: used or unused */ -+ unsigned obj_id; /* If 0 this is not used */ -+ unsigned chunk_id; /* If 0 this is a header, else a data chunk */ -+ unsigned n_bytes; /* Only valid for data chunks */ -+ -+ /* The following stuff only has meaning when we read */ -+ enum yaffs_ecc_result ecc_result; -+ unsigned block_bad; -+ -+ /* YAFFS 1 stuff */ -+ unsigned is_deleted; /* The chunk is marked deleted */ -+ unsigned serial_number; /* Yaffs1 2-bit serial number */ -+ -+ /* YAFFS2 stuff */ -+ unsigned seq_number; /* The sequence number of this block */ -+ -+ /* Extra info if this is an object header (YAFFS2 only) */ -+ -+ unsigned extra_available; /* Extra info available if not zero */ -+ unsigned extra_parent_id; /* The parent object */ -+ unsigned extra_is_shrink; /* Is it a shrink header? */ -+ unsigned extra_shadows; /* Does this shadow another object? */ -+ -+ enum yaffs_obj_type extra_obj_type; /* What object type? */ -+ -+ loff_t extra_file_size; /* Length if it is a file */ -+ unsigned extra_equiv_id; /* Equivalent object for a hard link */ -+}; -+ -+/* Spare structure for YAFFS1 */ -+struct yaffs_spare { -+ u8 tb0; -+ u8 tb1; -+ u8 tb2; -+ u8 tb3; -+ u8 page_status; /* set to 0 to delete the chunk */ -+ u8 block_status; -+ u8 tb4; -+ u8 tb5; -+ u8 ecc1[3]; -+ u8 tb6; -+ u8 tb7; -+ u8 ecc2[3]; -+}; -+ -+/*Special structure for passing through to mtd */ -+struct yaffs_nand_spare { -+ struct yaffs_spare spare; -+ int eccres1; -+ int eccres2; -+}; -+ -+/* Block data in RAM */ -+ -+enum yaffs_block_state { -+ YAFFS_BLOCK_STATE_UNKNOWN = 0, -+ -+ YAFFS_BLOCK_STATE_SCANNING, -+ /* Being scanned */ -+ -+ YAFFS_BLOCK_STATE_NEEDS_SCAN, -+ /* The block might have something on it (ie it is allocating or full, -+ * perhaps empty) but it needs to be scanned to determine its true -+ * state. -+ * This state is only valid during scanning. -+ * NB We tolerate empty because the pre-scanner might be incapable of -+ * deciding -+ * However, if this state is returned on a YAFFS2 device, -+ * then we expect a sequence number -+ */ -+ -+ YAFFS_BLOCK_STATE_EMPTY, -+ /* This block is empty */ -+ -+ YAFFS_BLOCK_STATE_ALLOCATING, -+ /* This block is partially allocated. -+ * At least one page holds valid data. -+ * This is the one currently being used for page -+ * allocation. Should never be more than one of these. -+ * If a block is only partially allocated at mount it is treated as -+ * full. -+ */ -+ -+ YAFFS_BLOCK_STATE_FULL, -+ /* All the pages in this block have been allocated. -+ * If a block was only partially allocated when mounted we treat -+ * it as fully allocated. -+ */ -+ -+ YAFFS_BLOCK_STATE_DIRTY, -+ /* The block was full and now all chunks have been deleted. -+ * Erase me, reuse me. -+ */ -+ -+ YAFFS_BLOCK_STATE_CHECKPOINT, -+ /* This block is assigned to holding checkpoint data. */ -+ -+ YAFFS_BLOCK_STATE_COLLECTING, -+ /* This block is being garbage collected */ -+ -+ YAFFS_BLOCK_STATE_DEAD -+ /* This block has failed and is not in use */ -+}; -+ -+#define YAFFS_NUMBER_OF_BLOCK_STATES (YAFFS_BLOCK_STATE_DEAD + 1) -+ -+struct yaffs_block_info { -+ -+ s32 soft_del_pages:10; /* number of soft deleted pages */ -+ s32 pages_in_use:10; /* number of pages in use */ -+ u32 block_state:4; /* One of the above block states. */ -+ /* NB use unsigned because enum is sometimes -+ * an int */ -+ u32 needs_retiring:1; /* Data has failed on this block, */ -+ /*need to get valid data off and retire*/ -+ u32 skip_erased_check:1;/* Skip the erased check on this block */ -+ u32 gc_prioritise:1; /* An ECC check or blank check has failed. -+ Block should be prioritised for GC */ -+ u32 chunk_error_strikes:3; /* How many times we've had ecc etc -+ failures on this block and tried to reuse it */ -+ u32 has_summary:1; /* The block has a summary */ -+ -+ u32 has_shrink_hdr:1; /* This block has at least one shrink header */ -+ u32 seq_number; /* block sequence number for yaffs2 */ -+ -+}; -+ -+/* -------------------------- Object structure -------------------------------*/ -+/* This is the object structure as stored on NAND */ -+ -+struct yaffs_obj_hdr { -+ enum yaffs_obj_type type; -+ -+ /* Apply to everything */ -+ int parent_obj_id; -+ u16 sum_no_longer_used; /* checksum of name. No longer used */ -+ YCHAR name[YAFFS_MAX_NAME_LENGTH + 1]; -+ -+ /* The following apply to all object types except for hard links */ -+ u32 yst_mode; /* protection */ -+ -+ u32 yst_uid; -+ u32 yst_gid; -+ u32 yst_atime; -+ u32 yst_mtime; -+ u32 yst_ctime; -+ -+ /* File size applies to files only */ -+ u32 file_size_low; -+ -+ /* Equivalent object id applies to hard links only. */ -+ int equiv_id; -+ -+ /* Alias is for symlinks only. */ -+ YCHAR alias[YAFFS_MAX_ALIAS_LENGTH + 1]; -+ -+ u32 yst_rdev; /* stuff for block and char devices (major/min) */ -+ -+ u32 win_ctime[2]; -+ u32 win_atime[2]; -+ u32 win_mtime[2]; -+ -+ u32 inband_shadowed_obj_id; -+ u32 inband_is_shrink; -+ -+ u32 file_size_high; -+ u32 reserved[1]; -+ int shadows_obj; /* This object header shadows the -+ specified object if > 0 */ -+ -+ /* is_shrink applies to object headers written when wemake a hole. */ -+ u32 is_shrink; -+ -+}; -+ -+/*--------------------------- Tnode -------------------------- */ -+ -+struct yaffs_tnode { -+ struct yaffs_tnode *internal[YAFFS_NTNODES_INTERNAL]; -+}; -+ -+/*------------------------ Object -----------------------------*/ -+/* An object can be one of: -+ * - a directory (no data, has children links -+ * - a regular file (data.... not prunes :->). -+ * - a symlink [symbolic link] (the alias). -+ * - a hard link -+ */ -+ -+struct yaffs_file_var { -+ loff_t file_size; -+ loff_t scanned_size; -+ loff_t shrink_size; -+ int top_level; -+ struct yaffs_tnode *top; -+}; -+ -+struct yaffs_dir_var { -+ struct list_head children; /* list of child links */ -+ struct list_head dirty; /* Entry for list of dirty directories */ -+}; -+ -+struct yaffs_symlink_var { -+ YCHAR *alias; -+}; -+ -+struct yaffs_hardlink_var { -+ struct yaffs_obj *equiv_obj; -+ u32 equiv_id; -+}; -+ -+union yaffs_obj_var { -+ struct yaffs_file_var file_variant; -+ struct yaffs_dir_var dir_variant; -+ struct yaffs_symlink_var symlink_variant; -+ struct yaffs_hardlink_var hardlink_variant; -+}; -+ -+struct yaffs_obj { -+ u8 deleted:1; /* This should only apply to unlinked files. */ -+ u8 soft_del:1; /* it has also been soft deleted */ -+ u8 unlinked:1; /* An unlinked file.*/ -+ u8 fake:1; /* A fake object has no presence on NAND. */ -+ u8 rename_allowed:1; /* Some objects cannot be renamed. */ -+ u8 unlink_allowed:1; -+ u8 dirty:1; /* the object needs to be written to flash */ -+ u8 valid:1; /* When the file system is being loaded up, this -+ * object might be created before the data -+ * is available -+ * ie. file data chunks encountered before -+ * the header. -+ */ -+ u8 lazy_loaded:1; /* This object has been lazy loaded and -+ * is missing some detail */ -+ -+ u8 defered_free:1; /* Object is removed from NAND, but is -+ * still in the inode cache. -+ * Free of object is defered. -+ * until the inode is released. -+ */ -+ u8 being_created:1; /* This object is still being created -+ * so skip some verification checks. */ -+ u8 is_shadowed:1; /* This object is shadowed on the way -+ * to being renamed. */ -+ -+ u8 xattr_known:1; /* We know if this has object has xattribs -+ * or not. */ -+ u8 has_xattr:1; /* This object has xattribs. -+ * Only valid if xattr_known. */ -+ -+ u8 serial; /* serial number of chunk in NAND.*/ -+ u16 sum; /* sum of the name to speed searching */ -+ -+ struct yaffs_dev *my_dev; /* The device I'm on */ -+ -+ struct list_head hash_link; /* list of objects in hash bucket */ -+ -+ struct list_head hard_links; /* hard linked object chain*/ -+ -+ /* directory structure stuff */ -+ /* also used for linking up the free list */ -+ struct yaffs_obj *parent; -+ struct list_head siblings; -+ -+ /* Where's my object header in NAND? */ -+ int hdr_chunk; -+ -+ int n_data_chunks; /* Number of data chunks for this file. */ -+ -+ u32 obj_id; /* the object id value */ -+ -+ u32 yst_mode; -+ -+ YCHAR short_name[YAFFS_SHORT_NAME_LENGTH + 1]; -+ -+#ifdef CONFIG_YAFFS_WINCE -+ u32 win_ctime[2]; -+ u32 win_mtime[2]; -+ u32 win_atime[2]; -+#else -+ u32 yst_uid; -+ u32 yst_gid; -+ u32 yst_atime; -+ u32 yst_mtime; -+ u32 yst_ctime; -+#endif -+ -+ u32 yst_rdev; -+ -+ void *my_inode; -+ -+ enum yaffs_obj_type variant_type; -+ -+ union yaffs_obj_var variant; -+ -+}; -+ -+struct yaffs_obj_bucket { -+ struct list_head list; -+ int count; -+}; -+ -+/* yaffs_checkpt_obj holds the definition of an object as dumped -+ * by checkpointing. -+ */ -+ -+struct yaffs_checkpt_obj { -+ int struct_type; -+ u32 obj_id; -+ u32 parent_id; -+ int hdr_chunk; -+ enum yaffs_obj_type variant_type:3; -+ u8 deleted:1; -+ u8 soft_del:1; -+ u8 unlinked:1; -+ u8 fake:1; -+ u8 rename_allowed:1; -+ u8 unlink_allowed:1; -+ u8 serial; -+ int n_data_chunks; -+ loff_t size_or_equiv_obj; -+}; -+ -+/*--------------------- Temporary buffers ---------------- -+ * -+ * These are chunk-sized working buffers. Each device has a few. -+ */ -+ -+struct yaffs_buffer { -+ u8 *buffer; -+ int in_use; -+}; -+ -+/*----------------- Device ---------------------------------*/ -+ -+struct yaffs_param { -+ const YCHAR *name; -+ -+ /* -+ * Entry parameters set up way early. Yaffs sets up the rest. -+ * The structure should be zeroed out before use so that unused -+ * and default values are zero. -+ */ -+ -+ int inband_tags; /* Use unband tags */ -+ u32 total_bytes_per_chunk; /* Should be >= 512, does not need to -+ be a power of 2 */ -+ int chunks_per_block; /* does not need to be a power of 2 */ -+ int spare_bytes_per_chunk; /* spare area size */ -+ int start_block; /* Start block we're allowed to use */ -+ int end_block; /* End block we're allowed to use */ -+ int n_reserved_blocks; /* Tuneable so that we can reduce -+ * reserved blocks on NOR and RAM. */ -+ -+ int n_caches; /* If <= 0, then short op caching is disabled, -+ * else the number of short op caches. -+ */ -+ int cache_bypass_aligned; /* If non-zero then bypass the cache for -+ * aligned writes. -+ */ -+ -+ int use_nand_ecc; /* Flag to decide whether or not to use -+ * NAND driver ECC on data (yaffs1) */ -+ int tags_9bytes; /* Use 9 byte tags */ -+ int no_tags_ecc; /* Flag to decide whether or not to do ECC -+ * on packed tags (yaffs2) */ -+ -+ int is_yaffs2; /* Use yaffs2 mode on this device */ -+ -+ int empty_lost_n_found; /* Auto-empty lost+found directory on mount */ -+ -+ int refresh_period; /* How often to check for a block refresh */ -+ -+ /* Checkpoint control. Can be set before or after initialisation */ -+ u8 skip_checkpt_rd; -+ u8 skip_checkpt_wr; -+ -+ int enable_xattr; /* Enable xattribs */ -+ -+ int max_objects; /* -+ * Set to limit the number of objects created. -+ * 0 = no limit. -+ */ -+ -+ /* The remove_obj_fn function must be supplied by OS flavours that -+ * need it. -+ * yaffs direct uses it to implement the faster readdir. -+ * Linux uses it to protect the directory during unlocking. -+ */ -+ void (*remove_obj_fn) (struct yaffs_obj *obj); -+ -+ /* Callback to mark the superblock dirty */ -+ void (*sb_dirty_fn) (struct yaffs_dev *dev); -+ -+ /* Callback to control garbage collection. */ -+ unsigned (*gc_control_fn) (struct yaffs_dev *dev); -+ -+ /* Debug control flags. Don't use unless you know what you're doing */ -+ int use_header_file_size; /* Flag to determine if we should use -+ * file sizes from the header */ -+ int disable_lazy_load; /* Disable lazy loading on this device */ -+ int wide_tnodes_disabled; /* Set to disable wide tnodes */ -+ int disable_soft_del; /* yaffs 1 only: Set to disable the use of -+ * softdeletion. */ -+ -+ int defered_dir_update; /* Set to defer directory updates */ -+ -+#ifdef CONFIG_YAFFS_AUTO_UNICODE -+ int auto_unicode; -+#endif -+ int always_check_erased; /* Force chunk erased check always on */ -+ -+ int disable_summary; -+ int disable_bad_block_marking; -+ -+}; -+ -+struct yaffs_driver { -+ int (*drv_write_chunk_fn) (struct yaffs_dev *dev, int nand_chunk, -+ const u8 *data, int data_len, -+ const u8 *oob, int oob_len); -+ int (*drv_read_chunk_fn) (struct yaffs_dev *dev, int nand_chunk, -+ u8 *data, int data_len, -+ u8 *oob, int oob_len, -+ enum yaffs_ecc_result *ecc_result); -+ int (*drv_erase_fn) (struct yaffs_dev *dev, int block_no); -+ int (*drv_mark_bad_fn) (struct yaffs_dev *dev, int block_no); -+ int (*drv_check_bad_fn) (struct yaffs_dev *dev, int block_no); -+ int (*drv_initialise_fn) (struct yaffs_dev *dev); -+ int (*drv_deinitialise_fn) (struct yaffs_dev *dev); -+}; -+ -+struct yaffs_tags_handler { -+ int (*write_chunk_tags_fn) (struct yaffs_dev *dev, -+ int nand_chunk, const u8 *data, -+ const struct yaffs_ext_tags *tags); -+ int (*read_chunk_tags_fn) (struct yaffs_dev *dev, -+ int nand_chunk, u8 *data, -+ struct yaffs_ext_tags *tags); -+ -+ int (*query_block_fn) (struct yaffs_dev *dev, int block_no, -+ enum yaffs_block_state *state, -+ u32 *seq_number); -+ int (*mark_bad_fn) (struct yaffs_dev *dev, int block_no); -+}; -+ -+struct yaffs_dev { -+ struct yaffs_param param; -+ struct yaffs_driver drv; -+ struct yaffs_tags_handler tagger; -+ -+ /* Context storage. Holds extra OS specific data for this device */ -+ -+ void *os_context; -+ void *driver_context; -+ -+ struct list_head dev_list; -+ -+ int ll_init; -+ /* Runtime parameters. Set up by YAFFS. */ -+ int data_bytes_per_chunk; -+ -+ /* Non-wide tnode stuff */ -+ u16 chunk_grp_bits; /* Number of bits that need to be resolved if -+ * the tnodes are not wide enough. -+ */ -+ u16 chunk_grp_size; /* == 2^^chunk_grp_bits */ -+ -+ /* Stuff to support wide tnodes */ -+ u32 tnode_width; -+ u32 tnode_mask; -+ u32 tnode_size; -+ -+ /* Stuff for figuring out file offset to chunk conversions */ -+ u32 chunk_shift; /* Shift value */ -+ u32 chunk_div; /* Divisor after shifting: 1 for 2^n sizes */ -+ u32 chunk_mask; /* Mask to use for power-of-2 case */ -+ -+ int is_mounted; -+ int read_only; -+ int is_checkpointed; -+ -+ /* Stuff to support block offsetting to support start block zero */ -+ int internal_start_block; -+ int internal_end_block; -+ int block_offset; -+ int chunk_offset; -+ -+ /* Runtime checkpointing stuff */ -+ int checkpt_page_seq; /* running sequence number of checkpt pages */ -+ int checkpt_byte_count; -+ int checkpt_byte_offs; -+ u8 *checkpt_buffer; -+ int checkpt_open_write; -+ int blocks_in_checkpt; -+ int checkpt_cur_chunk; -+ int checkpt_cur_block; -+ int checkpt_next_block; -+ int *checkpt_block_list; -+ int checkpt_max_blocks; -+ u32 checkpt_sum; -+ u32 checkpt_xor; -+ -+ int checkpoint_blocks_required; /* Number of blocks needed to store -+ * current checkpoint set */ -+ -+ /* Block Info */ -+ struct yaffs_block_info *block_info; -+ u8 *chunk_bits; /* bitmap of chunks in use */ -+ u8 block_info_alt:1; /* allocated using alternative alloc */ -+ u8 chunk_bits_alt:1; /* allocated using alternative alloc */ -+ int chunk_bit_stride; /* Number of bytes of chunk_bits per block. -+ * Must be consistent with chunks_per_block. -+ */ -+ -+ int n_erased_blocks; -+ int alloc_block; /* Current block being allocated off */ -+ u32 alloc_page; -+ int alloc_block_finder; /* Used to search for next allocation block */ -+ -+ /* Object and Tnode memory management */ -+ void *allocator; -+ int n_obj; -+ int n_tnodes; -+ -+ int n_hardlinks; -+ -+ struct yaffs_obj_bucket obj_bucket[YAFFS_NOBJECT_BUCKETS]; -+ u32 bucket_finder; -+ -+ int n_free_chunks; -+ -+ /* Garbage collection control */ -+ u32 *gc_cleanup_list; /* objects to delete at the end of a GC. */ -+ u32 n_clean_ups; -+ -+ unsigned has_pending_prioritised_gc; /* We think this device might -+ have pending prioritised gcs */ -+ unsigned gc_disable; -+ unsigned gc_block_finder; -+ unsigned gc_dirtiest; -+ unsigned gc_pages_in_use; -+ unsigned gc_not_done; -+ unsigned gc_block; -+ unsigned gc_chunk; -+ unsigned gc_skip; -+ struct yaffs_summary_tags *gc_sum_tags; -+ -+ /* Special directories */ -+ struct yaffs_obj *root_dir; -+ struct yaffs_obj *lost_n_found; -+ -+ int buffered_block; /* Which block is buffered here? */ -+ int doing_buffered_block_rewrite; -+ -+ struct yaffs_cache *cache; -+ int cache_last_use; -+ -+ /* Stuff for background deletion and unlinked files. */ -+ struct yaffs_obj *unlinked_dir; /* Directory where unlinked and deleted -+ files live. */ -+ struct yaffs_obj *del_dir; /* Directory where deleted objects are -+ sent to disappear. */ -+ struct yaffs_obj *unlinked_deletion; /* Current file being -+ background deleted. */ -+ int n_deleted_files; /* Count of files awaiting deletion; */ -+ int n_unlinked_files; /* Count of unlinked files. */ -+ int n_bg_deletions; /* Count of background deletions. */ -+ -+ /* Temporary buffer management */ -+ struct yaffs_buffer temp_buffer[YAFFS_N_TEMP_BUFFERS]; -+ int max_temp; -+ int temp_in_use; -+ int unmanaged_buffer_allocs; -+ int unmanaged_buffer_deallocs; -+ -+ /* yaffs2 runtime stuff */ -+ unsigned seq_number; /* Sequence number of currently -+ allocating block */ -+ unsigned oldest_dirty_seq; -+ unsigned oldest_dirty_block; -+ -+ /* Block refreshing */ -+ int refresh_skip; /* A skip down counter. -+ * Refresh happens when this gets to zero. */ -+ -+ /* Dirty directory handling */ -+ struct list_head dirty_dirs; /* List of dirty directories */ -+ -+ /* Summary */ -+ int chunks_per_summary; -+ struct yaffs_summary_tags *sum_tags; -+ -+ /* Statistics */ -+ u32 n_page_writes; -+ u32 n_page_reads; -+ u32 n_erasures; -+ u32 n_bad_queries; -+ u32 n_bad_markings; -+ u32 n_erase_failures; -+ u32 n_gc_copies; -+ u32 all_gcs; -+ u32 passive_gc_count; -+ u32 oldest_dirty_gc_count; -+ u32 n_gc_blocks; -+ u32 bg_gcs; -+ u32 n_retried_writes; -+ u32 n_retired_blocks; -+ u32 n_ecc_fixed; -+ u32 n_ecc_unfixed; -+ u32 n_tags_ecc_fixed; -+ u32 n_tags_ecc_unfixed; -+ u32 n_deletions; -+ u32 n_unmarked_deletions; -+ u32 refresh_count; -+ u32 cache_hits; -+ u32 tags_used; -+ u32 summary_used; -+ -+}; -+ -+/* The CheckpointDevice structure holds the device information that changes -+ *at runtime and must be preserved over unmount/mount cycles. -+ */ -+struct yaffs_checkpt_dev { -+ int struct_type; -+ int n_erased_blocks; -+ int alloc_block; /* Current block being allocated off */ -+ u32 alloc_page; -+ int n_free_chunks; -+ -+ int n_deleted_files; /* Count of files awaiting deletion; */ -+ int n_unlinked_files; /* Count of unlinked files. */ -+ int n_bg_deletions; /* Count of background deletions. */ -+ -+ /* yaffs2 runtime stuff */ -+ unsigned seq_number; /* Sequence number of currently -+ * allocating block */ -+ -+}; -+ -+struct yaffs_checkpt_validity { -+ int struct_type; -+ u32 magic; -+ u32 version; -+ u32 head; -+}; -+ -+struct yaffs_shadow_fixer { -+ int obj_id; -+ int shadowed_id; -+ struct yaffs_shadow_fixer *next; -+}; -+ -+/* Structure for doing xattr modifications */ -+struct yaffs_xattr_mod { -+ int set; /* If 0 then this is a deletion */ -+ const YCHAR *name; -+ const void *data; -+ int size; -+ int flags; -+ int result; -+}; -+ -+/*----------------------- YAFFS Functions -----------------------*/ -+ -+int yaffs_guts_initialise(struct yaffs_dev *dev); -+void yaffs_deinitialise(struct yaffs_dev *dev); -+ -+int yaffs_get_n_free_chunks(struct yaffs_dev *dev); -+ -+int yaffs_rename_obj(struct yaffs_obj *old_dir, const YCHAR * old_name, -+ struct yaffs_obj *new_dir, const YCHAR * new_name); -+ -+int yaffs_unlinker(struct yaffs_obj *dir, const YCHAR * name); -+int yaffs_del_obj(struct yaffs_obj *obj); -+struct yaffs_obj *yaffs_retype_obj(struct yaffs_obj *obj, -+ enum yaffs_obj_type type); -+ -+ -+int yaffs_get_obj_name(struct yaffs_obj *obj, YCHAR * name, int buffer_size); -+loff_t yaffs_get_obj_length(struct yaffs_obj *obj); -+int yaffs_get_obj_inode(struct yaffs_obj *obj); -+unsigned yaffs_get_obj_type(struct yaffs_obj *obj); -+int yaffs_get_obj_link_count(struct yaffs_obj *obj); -+ -+/* File operations */ -+int yaffs_file_rd(struct yaffs_obj *obj, u8 * buffer, loff_t offset, -+ int n_bytes); -+int yaffs_wr_file(struct yaffs_obj *obj, const u8 * buffer, loff_t offset, -+ int n_bytes, int write_trhrough); -+int yaffs_resize_file(struct yaffs_obj *obj, loff_t new_size); -+ -+struct yaffs_obj *yaffs_create_file(struct yaffs_obj *parent, -+ const YCHAR *name, u32 mode, u32 uid, -+ u32 gid); -+ -+int yaffs_flush_file(struct yaffs_obj *obj, int update_time, int data_sync); -+ -+/* Flushing and checkpointing */ -+void yaffs_flush_whole_cache(struct yaffs_dev *dev); -+ -+int yaffs_checkpoint_save(struct yaffs_dev *dev); -+int yaffs_checkpoint_restore(struct yaffs_dev *dev); -+ -+/* Directory operations */ -+struct yaffs_obj *yaffs_create_dir(struct yaffs_obj *parent, const YCHAR *name, -+ u32 mode, u32 uid, u32 gid); -+struct yaffs_obj *yaffs_find_by_name(struct yaffs_obj *the_dir, -+ const YCHAR *name); -+struct yaffs_obj *yaffs_find_by_number(struct yaffs_dev *dev, u32 number); -+ -+/* Link operations */ -+struct yaffs_obj *yaffs_link_obj(struct yaffs_obj *parent, const YCHAR *name, -+ struct yaffs_obj *equiv_obj); -+ -+struct yaffs_obj *yaffs_get_equivalent_obj(struct yaffs_obj *obj); -+ -+/* Symlink operations */ -+struct yaffs_obj *yaffs_create_symlink(struct yaffs_obj *parent, -+ const YCHAR *name, u32 mode, u32 uid, -+ u32 gid, const YCHAR *alias); -+YCHAR *yaffs_get_symlink_alias(struct yaffs_obj *obj); -+ -+/* Special inodes (fifos, sockets and devices) */ -+struct yaffs_obj *yaffs_create_special(struct yaffs_obj *parent, -+ const YCHAR *name, u32 mode, u32 uid, -+ u32 gid, u32 rdev); -+ -+int yaffs_set_xattrib(struct yaffs_obj *obj, const YCHAR *name, -+ const void *value, int size, int flags); -+int yaffs_get_xattrib(struct yaffs_obj *obj, const YCHAR *name, void *value, -+ int size); -+int yaffs_list_xattrib(struct yaffs_obj *obj, char *buffer, int size); -+int yaffs_remove_xattrib(struct yaffs_obj *obj, const YCHAR *name); -+ -+/* Special directories */ -+struct yaffs_obj *yaffs_root(struct yaffs_dev *dev); -+struct yaffs_obj *yaffs_lost_n_found(struct yaffs_dev *dev); -+ -+void yaffs_handle_defered_free(struct yaffs_obj *obj); -+ -+void yaffs_update_dirty_dirs(struct yaffs_dev *dev); -+ -+int yaffs_bg_gc(struct yaffs_dev *dev, unsigned urgency); -+ -+/* Debug dump */ -+int yaffs_dump_obj(struct yaffs_obj *obj); -+ -+void yaffs_guts_test(struct yaffs_dev *dev); -+int yaffs_guts_ll_init(struct yaffs_dev *dev); -+ -+ -+/* A few useful functions to be used within the core files*/ -+void yaffs_chunk_del(struct yaffs_dev *dev, int chunk_id, int mark_flash, -+ int lyn); -+int yaffs_check_ff(u8 *buffer, int n_bytes); -+void yaffs_handle_chunk_error(struct yaffs_dev *dev, -+ struct yaffs_block_info *bi); -+ -+u8 *yaffs_get_temp_buffer(struct yaffs_dev *dev); -+void yaffs_release_temp_buffer(struct yaffs_dev *dev, u8 *buffer); -+ -+struct yaffs_obj *yaffs_find_or_create_by_number(struct yaffs_dev *dev, -+ int number, -+ enum yaffs_obj_type type); -+int yaffs_put_chunk_in_file(struct yaffs_obj *in, int inode_chunk, -+ int nand_chunk, int in_scan); -+void yaffs_set_obj_name(struct yaffs_obj *obj, const YCHAR *name); -+void yaffs_set_obj_name_from_oh(struct yaffs_obj *obj, -+ const struct yaffs_obj_hdr *oh); -+void yaffs_add_obj_to_dir(struct yaffs_obj *directory, struct yaffs_obj *obj); -+YCHAR *yaffs_clone_str(const YCHAR *str); -+void yaffs_link_fixup(struct yaffs_dev *dev, struct list_head *hard_list); -+void yaffs_block_became_dirty(struct yaffs_dev *dev, int block_no); -+int yaffs_update_oh(struct yaffs_obj *in, const YCHAR *name, -+ int force, int is_shrink, int shadows, -+ struct yaffs_xattr_mod *xop); -+void yaffs_handle_shadowed_obj(struct yaffs_dev *dev, int obj_id, -+ int backward_scanning); -+int yaffs_check_alloc_available(struct yaffs_dev *dev, int n_chunks); -+struct yaffs_tnode *yaffs_get_tnode(struct yaffs_dev *dev); -+struct yaffs_tnode *yaffs_add_find_tnode_0(struct yaffs_dev *dev, -+ struct yaffs_file_var *file_struct, -+ u32 chunk_id, -+ struct yaffs_tnode *passed_tn); -+ -+int yaffs_do_file_wr(struct yaffs_obj *in, const u8 *buffer, loff_t offset, -+ int n_bytes, int write_trhrough); -+void yaffs_resize_file_down(struct yaffs_obj *obj, loff_t new_size); -+void yaffs_skip_rest_of_block(struct yaffs_dev *dev); -+ -+int yaffs_count_free_chunks(struct yaffs_dev *dev); -+ -+struct yaffs_tnode *yaffs_find_tnode_0(struct yaffs_dev *dev, -+ struct yaffs_file_var *file_struct, -+ u32 chunk_id); -+ -+u32 yaffs_get_group_base(struct yaffs_dev *dev, struct yaffs_tnode *tn, -+ unsigned pos); -+ -+int yaffs_is_non_empty_dir(struct yaffs_obj *obj); -+ -+int yaffs_guts_format_dev(struct yaffs_dev *dev); -+ -+void yaffs_addr_to_chunk(struct yaffs_dev *dev, loff_t addr, -+ int *chunk_out, u32 *offset_out); -+/* -+ * Marshalling functions to get loff_t file sizes into aand out of -+ * object headers. -+ */ -+void yaffs_oh_size_load(struct yaffs_obj_hdr *oh, loff_t fsize); -+loff_t yaffs_oh_to_size(struct yaffs_obj_hdr *oh); -+loff_t yaffs_max_file_size(struct yaffs_dev *dev); -+ -+/* -+ * Debug function to count number of blocks in each state -+ * NB Needs to be called with correct number of integers -+ */ -+ -+void yaffs_count_blocks_by_state(struct yaffs_dev *dev, int bs[10]); -+ -+int yaffs_find_chunk_in_file(struct yaffs_obj *in, int inode_chunk, -+ struct yaffs_ext_tags *tags); -+ -+#endif -diff -Nur linux-3.15-rc5.orig/fs/yaffs2/yaffs_linux.h linux-3.15-rc5/fs/yaffs2/yaffs_linux.h ---- linux-3.15-rc5.orig/fs/yaffs2/yaffs_linux.h 1970-01-01 01:00:00.000000000 +0100 -+++ linux-3.15-rc5/fs/yaffs2/yaffs_linux.h 2014-05-17 01:53:27.000000000 +0200 -@@ -0,0 +1,48 @@ -+/* -+ * YAFFS: Yet another Flash File System . A NAND-flash specific file system. -+ * -+ * Copyright (C) 2002-2011 Aleph One Ltd. -+ * for Toby Churchill Ltd and Brightstar Engineering -+ * -+ * Created by Charles Manning -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU Lesser General Public License version 2.1 as -+ * published by the Free Software Foundation. -+ * -+ * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL. -+ */ -+ -+#ifndef __YAFFS_LINUX_H__ -+#define __YAFFS_LINUX_H__ -+ -+#include "yportenv.h" -+ -+struct yaffs_linux_context { -+ struct list_head context_list; /* List of these we have mounted */ -+ struct yaffs_dev *dev; -+ struct super_block *super; -+ struct task_struct *bg_thread; /* Background thread for this device */ -+ int bg_running; -+ struct mutex gross_lock; /* Gross locking mutex*/ -+ u8 *spare_buffer; /* For mtdif2 use. Don't know the buffer size -+ * at compile time so we have to allocate it. -+ */ -+ struct list_head search_contexts; -+ struct task_struct *readdir_process; -+ unsigned mount_id; -+ int dirty; -+}; -+ -+#define yaffs_dev_to_lc(dev) ((struct yaffs_linux_context *)((dev)->os_context)) -+#define yaffs_dev_to_mtd(dev) ((struct mtd_info *)((dev)->driver_context)) -+ -+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17)) -+#define WRITE_SIZE_STR "writesize" -+#define WRITE_SIZE(mtd) ((mtd)->writesize) -+#else -+#define WRITE_SIZE_STR "oobblock" -+#define WRITE_SIZE(mtd) ((mtd)->oobblock) -+#endif -+ -+#endif -diff -Nur linux-3.15-rc5.orig/fs/yaffs2/yaffs_mtdif.c linux-3.15-rc5/fs/yaffs2/yaffs_mtdif.c ---- linux-3.15-rc5.orig/fs/yaffs2/yaffs_mtdif.c 1970-01-01 01:00:00.000000000 +0100 -+++ linux-3.15-rc5/fs/yaffs2/yaffs_mtdif.c 2014-05-17 01:53:27.000000000 +0200 -@@ -0,0 +1,309 @@ -+/* -+ * YAFFS: Yet Another Flash File System. A NAND-flash specific file system. -+ * -+ * Copyright (C) 2002-2011 Aleph One Ltd. -+ * for Toby Churchill Ltd and Brightstar Engineering -+ * -+ * Created by Charles Manning -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+#include "yportenv.h" -+ -+#include "yaffs_mtdif.h" -+ -+#include "linux/mtd/mtd.h" -+#include "linux/types.h" -+#include "linux/time.h" -+#include "linux/major.h" -+#include "linux/mtd/nand.h" -+#include "linux/kernel.h" -+#include "linux/version.h" -+#include "linux/types.h" -+ -+#include "yaffs_trace.h" -+#include "yaffs_guts.h" -+#include "yaffs_linux.h" -+ -+ -+#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 2, 0)) -+#define MTD_OPS_AUTO_OOB MTD_OOB_AUTO -+#endif -+ -+ -+#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 4, 0)) -+#define mtd_erase(m, ei) (m)->erase(m, ei) -+#define mtd_write_oob(m, addr, pops) (m)->write_oob(m, addr, pops) -+#define mtd_read_oob(m, addr, pops) (m)->read_oob(m, addr, pops) -+#define mtd_block_isbad(m, offs) (m)->block_isbad(m, offs) -+#define mtd_block_markbad(m, offs) (m)->block_markbad(m, offs) -+#endif -+ -+ -+ -+int nandmtd_erase_block(struct yaffs_dev *dev, int block_no) -+{ -+ struct mtd_info *mtd = yaffs_dev_to_mtd(dev); -+ u32 addr = -+ ((loff_t) block_no) * dev->param.total_bytes_per_chunk * -+ dev->param.chunks_per_block; -+ struct erase_info ei; -+ int retval = 0; -+ -+ ei.mtd = mtd; -+ ei.addr = addr; -+ ei.len = dev->param.total_bytes_per_chunk * dev->param.chunks_per_block; -+ ei.time = 1000; -+ ei.retries = 2; -+ ei.callback = NULL; -+ ei.priv = (u_long) dev; -+ -+ retval = mtd_erase(mtd, &ei); -+ -+ if (retval == 0) -+ return YAFFS_OK; -+ -+ return YAFFS_FAIL; -+} -+ -+ -+static int yaffs_mtd_write(struct yaffs_dev *dev, int nand_chunk, -+ const u8 *data, int data_len, -+ const u8 *oob, int oob_len) -+{ -+ struct mtd_info *mtd = yaffs_dev_to_mtd(dev); -+ loff_t addr; -+ struct mtd_oob_ops ops; -+ int retval; -+ -+ yaffs_trace(YAFFS_TRACE_MTD, -+ "yaffs_mtd_write(%p, %d, %p, %d, %p, %d)\n", -+ dev, nand_chunk, data, data_len, oob, oob_len); -+ -+ if (!data || !data_len) { -+ data = NULL; -+ data_len = 0; -+ } -+ -+ if (!oob || !oob_len) { -+ oob = NULL; -+ oob_len = 0; -+ } -+ -+ addr = ((loff_t) nand_chunk) * dev->param.total_bytes_per_chunk; -+ memset(&ops, 0, sizeof(ops)); -+ ops.mode = MTD_OPS_AUTO_OOB; -+ ops.len = (data) ? data_len : 0; -+ ops.ooblen = oob_len; -+ ops.datbuf = (u8 *)data; -+ ops.oobbuf = (u8 *)oob; -+ -+ retval = mtd_write_oob(mtd, addr, &ops); -+ if (retval) { -+ yaffs_trace(YAFFS_TRACE_MTD, -+ "write_oob failed, chunk %d, mtd error %d", -+ nand_chunk, retval); -+ } -+ return retval ? YAFFS_FAIL : YAFFS_OK; -+} -+ -+static int yaffs_mtd_read(struct yaffs_dev *dev, int nand_chunk, -+ u8 *data, int data_len, -+ u8 *oob, int oob_len, -+ enum yaffs_ecc_result *ecc_result) -+{ -+ struct mtd_info *mtd = yaffs_dev_to_mtd(dev); -+ loff_t addr; -+ struct mtd_oob_ops ops; -+ int retval; -+ -+ addr = ((loff_t) nand_chunk) * dev->param.total_bytes_per_chunk; -+ memset(&ops, 0, sizeof(ops)); -+ ops.mode = MTD_OPS_AUTO_OOB; -+ ops.len = (data) ? data_len : 0; -+ ops.ooblen = oob_len; -+ ops.datbuf = data; -+ ops.oobbuf = oob; -+ -+#if (MTD_VERSION_CODE < MTD_VERSION(2, 6, 20)) -+ /* In MTD 2.6.18 to 2.6.19 nand_base.c:nand_do_read_oob() has a bug; -+ * help it out with ops.len = ops.ooblen when ops.datbuf == NULL. -+ */ -+ ops.len = (ops.datbuf) ? ops.len : ops.ooblen; -+#endif -+ /* Read page and oob using MTD. -+ * Check status and determine ECC result. -+ */ -+ retval = mtd_read_oob(mtd, addr, &ops); -+ if (retval) -+ yaffs_trace(YAFFS_TRACE_MTD, -+ "read_oob failed, chunk %d, mtd error %d", -+ nand_chunk, retval); -+ -+ switch (retval) { -+ case 0: -+ /* no error */ -+ if(ecc_result) -+ *ecc_result = YAFFS_ECC_RESULT_NO_ERROR; -+ break; -+ -+ case -EUCLEAN: -+ /* MTD's ECC fixed the data */ -+ if(ecc_result) -+ *ecc_result = YAFFS_ECC_RESULT_FIXED; -+ dev->n_ecc_fixed++; -+ break; -+ -+ case -EBADMSG: -+ default: -+ /* MTD's ECC could not fix the data */ -+ dev->n_ecc_unfixed++; -+ if(ecc_result) -+ *ecc_result = YAFFS_ECC_RESULT_UNFIXED; -+ return YAFFS_FAIL; -+ } -+ -+ return YAFFS_OK; -+} -+ -+static int yaffs_mtd_erase(struct yaffs_dev *dev, int block_no) -+{ -+ struct mtd_info *mtd = yaffs_dev_to_mtd(dev); -+ -+ loff_t addr; -+ struct erase_info ei; -+ int retval = 0; -+ u32 block_size; -+ -+ block_size = dev->param.total_bytes_per_chunk * -+ dev->param.chunks_per_block; -+ addr = ((loff_t) block_no) * block_size; -+ -+ ei.mtd = mtd; -+ ei.addr = addr; -+ ei.len = block_size; -+ ei.time = 1000; -+ ei.retries = 2; -+ ei.callback = NULL; -+ ei.priv = (u_long) dev; -+ -+ retval = mtd_erase(mtd, &ei); -+ -+ if (retval == 0) -+ return YAFFS_OK; -+ -+ return YAFFS_FAIL; -+} -+ -+static int yaffs_mtd_mark_bad(struct yaffs_dev *dev, int block_no) -+{ -+ struct mtd_info *mtd = yaffs_dev_to_mtd(dev); -+ int blocksize = dev->param.chunks_per_block * dev->param.total_bytes_per_chunk; -+ int retval; -+ -+ yaffs_trace(YAFFS_TRACE_BAD_BLOCKS, "marking block %d bad", block_no); -+ -+ retval = mtd_block_markbad(mtd, (loff_t) blocksize * block_no); -+ return (retval) ? YAFFS_FAIL : YAFFS_OK; -+} -+ -+static int yaffs_mtd_check_bad(struct yaffs_dev *dev, int block_no) -+{ -+ struct mtd_info *mtd = yaffs_dev_to_mtd(dev); -+ int blocksize = dev->param.chunks_per_block * dev->param.total_bytes_per_chunk; -+ int retval; -+ -+ yaffs_trace(YAFFS_TRACE_MTD, "checking block %d bad", block_no); -+ -+ retval = mtd_block_isbad(mtd, (loff_t) blocksize * block_no); -+ return (retval) ? YAFFS_FAIL : YAFFS_OK; -+} -+ -+static int yaffs_mtd_initialise(struct yaffs_dev *dev) -+{ -+ return YAFFS_OK; -+} -+ -+static int yaffs_mtd_deinitialise(struct yaffs_dev *dev) -+{ -+ return YAFFS_OK; -+} -+ -+ -+void yaffs_mtd_drv_install(struct yaffs_dev *dev) -+{ -+ struct yaffs_driver *drv = &dev->drv; -+ -+ drv->drv_write_chunk_fn = yaffs_mtd_write; -+ drv->drv_read_chunk_fn = yaffs_mtd_read; -+ drv->drv_erase_fn = yaffs_mtd_erase; -+ drv->drv_mark_bad_fn = yaffs_mtd_mark_bad; -+ drv->drv_check_bad_fn = yaffs_mtd_check_bad; -+ drv->drv_initialise_fn = yaffs_mtd_initialise; -+ drv->drv_deinitialise_fn = yaffs_mtd_deinitialise; -+} -+ -+ -+struct mtd_info * yaffs_get_mtd_device(dev_t sdev) -+{ -+ struct mtd_info *mtd; -+ -+ mtd = yaffs_get_mtd_device(sdev); -+ -+ /* Check it's an mtd device..... */ -+ if (MAJOR(sdev) != MTD_BLOCK_MAJOR) -+ return NULL; /* This isn't an mtd device */ -+ -+ /* Check it's NAND */ -+ if (mtd->type != MTD_NANDFLASH) { -+ yaffs_trace(YAFFS_TRACE_ALWAYS, -+ "yaffs: MTD device is not NAND it's type %d", -+ mtd->type); -+ return NULL; -+ } -+ -+ yaffs_trace(YAFFS_TRACE_OS, " %s %d", WRITE_SIZE_STR, WRITE_SIZE(mtd)); -+ yaffs_trace(YAFFS_TRACE_OS, " oobsize %d", mtd->oobsize); -+ yaffs_trace(YAFFS_TRACE_OS, " erasesize %d", mtd->erasesize); -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 29) -+ yaffs_trace(YAFFS_TRACE_OS, " size %u", mtd->size); -+#else -+ yaffs_trace(YAFFS_TRACE_OS, " size %lld", mtd->size); -+#endif -+ -+ return mtd; -+} -+ -+int yaffs_verify_mtd(struct mtd_info *mtd, int yaffs_version, int inband_tags) -+{ -+ if (yaffs_version == 2) { -+ if ((WRITE_SIZE(mtd) < YAFFS_MIN_YAFFS2_CHUNK_SIZE || -+ mtd->oobsize < YAFFS_MIN_YAFFS2_SPARE_SIZE) && -+ !inband_tags) { -+ yaffs_trace(YAFFS_TRACE_ALWAYS, -+ "MTD device does not have the right page sizes" -+ ); -+ return -1; -+ } -+ } else { -+ if (WRITE_SIZE(mtd) < YAFFS_BYTES_PER_CHUNK || -+ mtd->oobsize != YAFFS_BYTES_PER_SPARE) { -+ yaffs_trace(YAFFS_TRACE_ALWAYS, -+ "MTD device does not support have the right page sizes" -+ ); -+ return -1; -+ } -+ } -+ -+ return 0; -+} -+ -+ -+void yaffs_put_mtd_device(struct mtd_info *mtd) -+{ -+ if(mtd) -+ put_mtd_device(mtd); -+} -diff -Nur linux-3.15-rc5.orig/fs/yaffs2/yaffs_mtdif.h linux-3.15-rc5/fs/yaffs2/yaffs_mtdif.h ---- linux-3.15-rc5.orig/fs/yaffs2/yaffs_mtdif.h 1970-01-01 01:00:00.000000000 +0100 -+++ linux-3.15-rc5/fs/yaffs2/yaffs_mtdif.h 2014-05-17 01:53:27.000000000 +0200 -@@ -0,0 +1,25 @@ -+/* -+ * YAFFS: Yet another Flash File System . A NAND-flash specific file system. -+ * -+ * Copyright (C) 2002-2011 Aleph One Ltd. -+ * for Toby Churchill Ltd and Brightstar Engineering -+ * -+ * Created by Charles Manning -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU Lesser General Public License version 2.1 as -+ * published by the Free Software Foundation. -+ * -+ * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL. -+ */ -+ -+#ifndef __YAFFS_MTDIF_H__ -+#define __YAFFS_MTDIF_H__ -+ -+#include "yaffs_guts.h" -+ -+void yaffs_mtd_drv_install(struct yaffs_dev *dev); -+struct mtd_info * yaffs_get_mtd_device(dev_t sdev); -+void yaffs_put_mtd_device(struct mtd_info *mtd); -+int yaffs_verify_mtd(struct mtd_info *mtd, int yaffs_version, int inband_tags); -+#endif -diff -Nur linux-3.15-rc5.orig/fs/yaffs2/yaffs_nameval.c linux-3.15-rc5/fs/yaffs2/yaffs_nameval.c ---- linux-3.15-rc5.orig/fs/yaffs2/yaffs_nameval.c 1970-01-01 01:00:00.000000000 +0100 -+++ linux-3.15-rc5/fs/yaffs2/yaffs_nameval.c 2014-05-17 01:53:27.000000000 +0200 -@@ -0,0 +1,208 @@ -+/* -+ * YAFFS: Yet Another Flash File System. A NAND-flash specific file system. -+ * -+ * Copyright (C) 2002-2011 Aleph One Ltd. -+ * for Toby Churchill Ltd and Brightstar Engineering -+ * -+ * Created by Charles Manning -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+/* -+ * This simple implementation of a name-value store assumes a small number of -+* values and fits into a small finite buffer. -+ * -+ * Each attribute is stored as a record: -+ * sizeof(int) bytes record size. -+ * strnlen+1 bytes name null terminated. -+ * nbytes value. -+ * ---------- -+ * total size stored in record size -+ * -+ * This code has not been tested with unicode yet. -+ */ -+ -+#include "yaffs_nameval.h" -+ -+#include "yportenv.h" -+ -+static int nval_find(const char *xb, int xb_size, const YCHAR *name, -+ int *exist_size) -+{ -+ int pos = 0; -+ int size; -+ -+ memcpy(&size, xb, sizeof(int)); -+ while (size > 0 && (size < xb_size) && (pos + size < xb_size)) { -+ if (!strncmp((YCHAR *) (xb + pos + sizeof(int)), -+ name, size)) { -+ if (exist_size) -+ *exist_size = size; -+ return pos; -+ } -+ pos += size; -+ if (pos < xb_size - sizeof(int)) -+ memcpy(&size, xb + pos, sizeof(int)); -+ else -+ size = 0; -+ } -+ if (exist_size) -+ *exist_size = 0; -+ return -ENODATA; -+} -+ -+static int nval_used(const char *xb, int xb_size) -+{ -+ int pos = 0; -+ int size; -+ -+ memcpy(&size, xb + pos, sizeof(int)); -+ while (size > 0 && (size < xb_size) && (pos + size < xb_size)) { -+ pos += size; -+ if (pos < xb_size - sizeof(int)) -+ memcpy(&size, xb + pos, sizeof(int)); -+ else -+ size = 0; -+ } -+ return pos; -+} -+ -+int nval_del(char *xb, int xb_size, const YCHAR *name) -+{ -+ int pos = nval_find(xb, xb_size, name, NULL); -+ int size; -+ -+ if (pos < 0 || pos >= xb_size) -+ return -ENODATA; -+ -+ /* Find size, shift rest over this record, -+ * then zero out the rest of buffer */ -+ memcpy(&size, xb + pos, sizeof(int)); -+ memcpy(xb + pos, xb + pos + size, xb_size - (pos + size)); -+ memset(xb + (xb_size - size), 0, size); -+ return 0; -+} -+ -+int nval_set(char *xb, int xb_size, const YCHAR *name, const char *buf, -+ int bsize, int flags) -+{ -+ int pos; -+ int namelen = strnlen(name, xb_size); -+ int reclen; -+ int size_exist = 0; -+ int space; -+ int start; -+ -+ pos = nval_find(xb, xb_size, name, &size_exist); -+ -+ if (flags & XATTR_CREATE && pos >= 0) -+ return -EEXIST; -+ if (flags & XATTR_REPLACE && pos < 0) -+ return -ENODATA; -+ -+ start = nval_used(xb, xb_size); -+ space = xb_size - start + size_exist; -+ -+ reclen = (sizeof(int) + namelen + 1 + bsize); -+ -+ if (reclen > space) -+ return -ENOSPC; -+ -+ if (pos >= 0) { -+ nval_del(xb, xb_size, name); -+ start = nval_used(xb, xb_size); -+ } -+ -+ pos = start; -+ -+ memcpy(xb + pos, &reclen, sizeof(int)); -+ pos += sizeof(int); -+ strncpy((YCHAR *) (xb + pos), name, reclen); -+ pos += (namelen + 1); -+ memcpy(xb + pos, buf, bsize); -+ return 0; -+} -+ -+int nval_get(const char *xb, int xb_size, const YCHAR * name, char *buf, -+ int bsize) -+{ -+ int pos = nval_find(xb, xb_size, name, NULL); -+ int size; -+ -+ if (pos >= 0 && pos < xb_size) { -+ -+ memcpy(&size, xb + pos, sizeof(int)); -+ pos += sizeof(int); /* advance past record length */ -+ size -= sizeof(int); -+ -+ /* Advance over name string */ -+ while (xb[pos] && size > 0 && pos < xb_size) { -+ pos++; -+ size--; -+ } -+ /*Advance over NUL */ -+ pos++; -+ size--; -+ -+ /* If bsize is zero then this is a size query. -+ * Return the size, but don't copy. -+ */ -+ if (!bsize) -+ return size; -+ -+ if (size <= bsize) { -+ memcpy(buf, xb + pos, size); -+ return size; -+ } -+ } -+ if (pos >= 0) -+ return -ERANGE; -+ -+ return -ENODATA; -+} -+ -+int nval_list(const char *xb, int xb_size, char *buf, int bsize) -+{ -+ int pos = 0; -+ int size; -+ int name_len; -+ int ncopied = 0; -+ int filled = 0; -+ -+ memcpy(&size, xb + pos, sizeof(int)); -+ while (size > sizeof(int) && -+ size <= xb_size && -+ (pos + size) < xb_size && -+ !filled) { -+ pos += sizeof(int); -+ size -= sizeof(int); -+ name_len = strnlen((YCHAR *) (xb + pos), size); -+ if (ncopied + name_len + 1 < bsize) { -+ memcpy(buf, xb + pos, name_len * sizeof(YCHAR)); -+ buf += name_len; -+ *buf = '\0'; -+ buf++; -+ if (sizeof(YCHAR) > 1) { -+ *buf = '\0'; -+ buf++; -+ } -+ ncopied += (name_len + 1); -+ } else { -+ filled = 1; -+ } -+ pos += size; -+ if (pos < xb_size - sizeof(int)) -+ memcpy(&size, xb + pos, sizeof(int)); -+ else -+ size = 0; -+ } -+ return ncopied; -+} -+ -+int nval_hasvalues(const char *xb, int xb_size) -+{ -+ return nval_used(xb, xb_size) > 0; -+} -diff -Nur linux-3.15-rc5.orig/fs/yaffs2/yaffs_nameval.h linux-3.15-rc5/fs/yaffs2/yaffs_nameval.h ---- linux-3.15-rc5.orig/fs/yaffs2/yaffs_nameval.h 1970-01-01 01:00:00.000000000 +0100 -+++ linux-3.15-rc5/fs/yaffs2/yaffs_nameval.h 2014-05-17 01:53:27.000000000 +0200 -@@ -0,0 +1,28 @@ -+/* -+ * YAFFS: Yet another Flash File System . A NAND-flash specific file system. -+ * -+ * Copyright (C) 2002-2011 Aleph One Ltd. -+ * for Toby Churchill Ltd and Brightstar Engineering -+ * -+ * Created by Charles Manning -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU Lesser General Public License version 2.1 as -+ * published by the Free Software Foundation. -+ * -+ * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL. -+ */ -+ -+#ifndef __NAMEVAL_H__ -+#define __NAMEVAL_H__ -+ -+#include "yportenv.h" -+ -+int nval_del(char *xb, int xb_size, const YCHAR * name); -+int nval_set(char *xb, int xb_size, const YCHAR * name, const char *buf, -+ int bsize, int flags); -+int nval_get(const char *xb, int xb_size, const YCHAR * name, char *buf, -+ int bsize); -+int nval_list(const char *xb, int xb_size, char *buf, int bsize); -+int nval_hasvalues(const char *xb, int xb_size); -+#endif -diff -Nur linux-3.15-rc5.orig/fs/yaffs2/yaffs_nand.c linux-3.15-rc5/fs/yaffs2/yaffs_nand.c ---- linux-3.15-rc5.orig/fs/yaffs2/yaffs_nand.c 1970-01-01 01:00:00.000000000 +0100 -+++ linux-3.15-rc5/fs/yaffs2/yaffs_nand.c 2014-05-17 01:53:27.000000000 +0200 -@@ -0,0 +1,122 @@ -+/* -+ * YAFFS: Yet Another Flash File System. A NAND-flash specific file system. -+ * -+ * Copyright (C) 2002-2011 Aleph One Ltd. -+ * for Toby Churchill Ltd and Brightstar Engineering -+ * -+ * Created by Charles Manning -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+#include "yaffs_nand.h" -+#include "yaffs_tagscompat.h" -+ -+#include "yaffs_getblockinfo.h" -+#include "yaffs_summary.h" -+ -+static int apply_chunk_offset(struct yaffs_dev *dev, int chunk) -+{ -+ return chunk - dev->chunk_offset; -+} -+ -+int yaffs_rd_chunk_tags_nand(struct yaffs_dev *dev, int nand_chunk, -+ u8 *buffer, struct yaffs_ext_tags *tags) -+{ -+ int result; -+ struct yaffs_ext_tags local_tags; -+ int flash_chunk = apply_chunk_offset(dev, nand_chunk); -+ -+ dev->n_page_reads++; -+ -+ /* If there are no tags provided use local tags. */ -+ if (!tags) -+ tags = &local_tags; -+ -+ result = dev->tagger.read_chunk_tags_fn(dev, flash_chunk, buffer, tags); -+ if (tags && tags->ecc_result > YAFFS_ECC_RESULT_NO_ERROR) { -+ -+ struct yaffs_block_info *bi; -+ bi = yaffs_get_block_info(dev, -+ nand_chunk / -+ dev->param.chunks_per_block); -+ yaffs_handle_chunk_error(dev, bi); -+ } -+ return result; -+} -+ -+int yaffs_wr_chunk_tags_nand(struct yaffs_dev *dev, -+ int nand_chunk, -+ const u8 *buffer, struct yaffs_ext_tags *tags) -+{ -+ int result; -+ int flash_chunk = apply_chunk_offset(dev, nand_chunk); -+ -+ dev->n_page_writes++; -+ -+ if (!tags) { -+ yaffs_trace(YAFFS_TRACE_ERROR, "Writing with no tags"); -+ BUG(); -+ return YAFFS_FAIL; -+ } -+ -+ tags->seq_number = dev->seq_number; -+ tags->chunk_used = 1; -+ yaffs_trace(YAFFS_TRACE_WRITE, -+ "Writing chunk %d tags %d %d", -+ nand_chunk, tags->obj_id, tags->chunk_id); -+ -+ result = dev->tagger.write_chunk_tags_fn(dev, flash_chunk, -+ buffer, tags); -+ -+ yaffs_summary_add(dev, tags, nand_chunk); -+ -+ return result; -+} -+ -+int yaffs_mark_bad(struct yaffs_dev *dev, int block_no) -+{ -+ block_no -= dev->block_offset; -+ dev->n_bad_markings++; -+ -+ if (dev->param.disable_bad_block_marking) -+ return YAFFS_OK; -+ -+ return dev->tagger.mark_bad_fn(dev, block_no); -+} -+ -+ -+int yaffs_query_init_block_state(struct yaffs_dev *dev, -+ int block_no, -+ enum yaffs_block_state *state, -+ u32 *seq_number) -+{ -+ block_no -= dev->block_offset; -+ return dev->tagger.query_block_fn(dev, block_no, state, seq_number); -+} -+ -+int yaffs_erase_block(struct yaffs_dev *dev, int block_no) -+{ -+ int result; -+ -+ block_no -= dev->block_offset; -+ dev->n_erasures++; -+ result = dev->drv.drv_erase_fn(dev, block_no); -+ return result; -+} -+ -+int yaffs_init_nand(struct yaffs_dev *dev) -+{ -+ if (dev->drv.drv_initialise_fn) -+ return dev->drv.drv_initialise_fn(dev); -+ return YAFFS_OK; -+} -+ -+int yaffs_deinit_nand(struct yaffs_dev *dev) -+{ -+ if (dev->drv.drv_deinitialise_fn) -+ return dev->drv.drv_deinitialise_fn(dev); -+ return YAFFS_OK; -+} -diff -Nur linux-3.15-rc5.orig/fs/yaffs2/yaffs_nand.h linux-3.15-rc5/fs/yaffs2/yaffs_nand.h ---- linux-3.15-rc5.orig/fs/yaffs2/yaffs_nand.h 1970-01-01 01:00:00.000000000 +0100 -+++ linux-3.15-rc5/fs/yaffs2/yaffs_nand.h 2014-05-17 01:53:27.000000000 +0200 -@@ -0,0 +1,39 @@ -+/* -+ * YAFFS: Yet another Flash File System . A NAND-flash specific file system. -+ * -+ * Copyright (C) 2002-2011 Aleph One Ltd. -+ * for Toby Churchill Ltd and Brightstar Engineering -+ * -+ * Created by Charles Manning -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU Lesser General Public License version 2.1 as -+ * published by the Free Software Foundation. -+ * -+ * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL. -+ */ -+ -+#ifndef __YAFFS_NAND_H__ -+#define __YAFFS_NAND_H__ -+#include "yaffs_guts.h" -+ -+int yaffs_rd_chunk_tags_nand(struct yaffs_dev *dev, int nand_chunk, -+ u8 *buffer, struct yaffs_ext_tags *tags); -+ -+int yaffs_wr_chunk_tags_nand(struct yaffs_dev *dev, -+ int nand_chunk, -+ const u8 *buffer, struct yaffs_ext_tags *tags); -+ -+int yaffs_mark_bad(struct yaffs_dev *dev, int block_no); -+ -+int yaffs_query_init_block_state(struct yaffs_dev *dev, -+ int block_no, -+ enum yaffs_block_state *state, -+ unsigned *seq_number); -+ -+int yaffs_erase_block(struct yaffs_dev *dev, int flash_block); -+ -+int yaffs_init_nand(struct yaffs_dev *dev); -+int yaffs_deinit_nand(struct yaffs_dev *dev); -+ -+#endif -diff -Nur linux-3.15-rc5.orig/fs/yaffs2/yaffs_packedtags1.c linux-3.15-rc5/fs/yaffs2/yaffs_packedtags1.c ---- linux-3.15-rc5.orig/fs/yaffs2/yaffs_packedtags1.c 1970-01-01 01:00:00.000000000 +0100 -+++ linux-3.15-rc5/fs/yaffs2/yaffs_packedtags1.c 2014-05-17 01:53:27.000000000 +0200 -@@ -0,0 +1,56 @@ -+/* -+ * YAFFS: Yet Another Flash File System. A NAND-flash specific file system. -+ * -+ * Copyright (C) 2002-2011 Aleph One Ltd. -+ * for Toby Churchill Ltd and Brightstar Engineering -+ * -+ * Created by Charles Manning -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+#include "yaffs_packedtags1.h" -+#include "yportenv.h" -+ -+static const u8 all_ff[20] = { -+ 0xff, 0xff, 0xff, 0xff, -+ 0xff, 0xff, 0xff, 0xff, -+ 0xff, 0xff, 0xff, 0xff, -+ 0xff, 0xff, 0xff, 0xff, -+ 0xff, 0xff, 0xff, 0xff -+}; -+ -+void yaffs_pack_tags1(struct yaffs_packed_tags1 *pt, -+ const struct yaffs_ext_tags *t) -+{ -+ pt->chunk_id = t->chunk_id; -+ pt->serial_number = t->serial_number; -+ pt->n_bytes = t->n_bytes; -+ pt->obj_id = t->obj_id; -+ pt->ecc = 0; -+ pt->deleted = (t->is_deleted) ? 0 : 1; -+ pt->unused_stuff = 0; -+ pt->should_be_ff = 0xffffffff; -+} -+ -+void yaffs_unpack_tags1(struct yaffs_ext_tags *t, -+ const struct yaffs_packed_tags1 *pt) -+{ -+ -+ if (memcmp(all_ff, pt, sizeof(struct yaffs_packed_tags1))) { -+ t->block_bad = 0; -+ if (pt->should_be_ff != 0xffffffff) -+ t->block_bad = 1; -+ t->chunk_used = 1; -+ t->obj_id = pt->obj_id; -+ t->chunk_id = pt->chunk_id; -+ t->n_bytes = pt->n_bytes; -+ t->ecc_result = YAFFS_ECC_RESULT_NO_ERROR; -+ t->is_deleted = (pt->deleted) ? 0 : 1; -+ t->serial_number = pt->serial_number; -+ } else { -+ memset(t, 0, sizeof(struct yaffs_ext_tags)); -+ } -+} -diff -Nur linux-3.15-rc5.orig/fs/yaffs2/yaffs_packedtags1.h linux-3.15-rc5/fs/yaffs2/yaffs_packedtags1.h ---- linux-3.15-rc5.orig/fs/yaffs2/yaffs_packedtags1.h 1970-01-01 01:00:00.000000000 +0100 -+++ linux-3.15-rc5/fs/yaffs2/yaffs_packedtags1.h 2014-05-17 01:53:27.000000000 +0200 -@@ -0,0 +1,39 @@ -+/* -+ * YAFFS: Yet another Flash File System . A NAND-flash specific file system. -+ * -+ * Copyright (C) 2002-2011 Aleph One Ltd. -+ * for Toby Churchill Ltd and Brightstar Engineering -+ * -+ * Created by Charles Manning -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU Lesser General Public License version 2.1 as -+ * published by the Free Software Foundation. -+ * -+ * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL. -+ */ -+ -+/* This is used to pack YAFFS1 tags, not YAFFS2 tags. */ -+ -+#ifndef __YAFFS_PACKEDTAGS1_H__ -+#define __YAFFS_PACKEDTAGS1_H__ -+ -+#include "yaffs_guts.h" -+ -+struct yaffs_packed_tags1 { -+ u32 chunk_id:20; -+ u32 serial_number:2; -+ u32 n_bytes:10; -+ u32 obj_id:18; -+ u32 ecc:12; -+ u32 deleted:1; -+ u32 unused_stuff:1; -+ unsigned should_be_ff; -+ -+}; -+ -+void yaffs_pack_tags1(struct yaffs_packed_tags1 *pt, -+ const struct yaffs_ext_tags *t); -+void yaffs_unpack_tags1(struct yaffs_ext_tags *t, -+ const struct yaffs_packed_tags1 *pt); -+#endif -diff -Nur linux-3.15-rc5.orig/fs/yaffs2/yaffs_packedtags2.c linux-3.15-rc5/fs/yaffs2/yaffs_packedtags2.c ---- linux-3.15-rc5.orig/fs/yaffs2/yaffs_packedtags2.c 1970-01-01 01:00:00.000000000 +0100 -+++ linux-3.15-rc5/fs/yaffs2/yaffs_packedtags2.c 2014-05-17 01:53:27.000000000 +0200 -@@ -0,0 +1,197 @@ -+/* -+ * YAFFS: Yet Another Flash File System. A NAND-flash specific file system. -+ * -+ * Copyright (C) 2002-2011 Aleph One Ltd. -+ * for Toby Churchill Ltd and Brightstar Engineering -+ * -+ * Created by Charles Manning -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+#include "yaffs_packedtags2.h" -+#include "yportenv.h" -+#include "yaffs_trace.h" -+ -+/* This code packs a set of extended tags into a binary structure for -+ * NAND storage -+ */ -+ -+/* Some of the information is "extra" struff which can be packed in to -+ * speed scanning -+ * This is defined by having the EXTRA_HEADER_INFO_FLAG set. -+ */ -+ -+/* Extra flags applied to chunk_id */ -+ -+#define EXTRA_HEADER_INFO_FLAG 0x80000000 -+#define EXTRA_SHRINK_FLAG 0x40000000 -+#define EXTRA_SHADOWS_FLAG 0x20000000 -+#define EXTRA_SPARE_FLAGS 0x10000000 -+ -+#define ALL_EXTRA_FLAGS 0xf0000000 -+ -+/* Also, the top 4 bits of the object Id are set to the object type. */ -+#define EXTRA_OBJECT_TYPE_SHIFT (28) -+#define EXTRA_OBJECT_TYPE_MASK ((0x0f) << EXTRA_OBJECT_TYPE_SHIFT) -+ -+static void yaffs_dump_packed_tags2_tags_only( -+ const struct yaffs_packed_tags2_tags_only *ptt) -+{ -+ yaffs_trace(YAFFS_TRACE_MTD, -+ "packed tags obj %d chunk %d byte %d seq %d", -+ ptt->obj_id, ptt->chunk_id, ptt->n_bytes, ptt->seq_number); -+} -+ -+static void yaffs_dump_packed_tags2(const struct yaffs_packed_tags2 *pt) -+{ -+ yaffs_dump_packed_tags2_tags_only(&pt->t); -+} -+ -+static void yaffs_dump_tags2(const struct yaffs_ext_tags *t) -+{ -+ yaffs_trace(YAFFS_TRACE_MTD, -+ "ext.tags eccres %d blkbad %d chused %d obj %d chunk%d byte %d del %d ser %d seq %d", -+ t->ecc_result, t->block_bad, t->chunk_used, t->obj_id, -+ t->chunk_id, t->n_bytes, t->is_deleted, t->serial_number, -+ t->seq_number); -+ -+} -+ -+static int yaffs_check_tags_extra_packable(const struct yaffs_ext_tags *t) -+{ -+ if (t->chunk_id != 0 || !t->extra_available) -+ return 0; -+ -+ /* Check if the file size is too long to store */ -+ if (t->extra_obj_type == YAFFS_OBJECT_TYPE_FILE && -+ (t->extra_file_size >> 31) != 0) -+ return 0; -+ return 1; -+} -+ -+void yaffs_pack_tags2_tags_only(struct yaffs_packed_tags2_tags_only *ptt, -+ const struct yaffs_ext_tags *t) -+{ -+ ptt->chunk_id = t->chunk_id; -+ ptt->seq_number = t->seq_number; -+ ptt->n_bytes = t->n_bytes; -+ ptt->obj_id = t->obj_id; -+ -+ /* Only store extra tags for object headers. -+ * If it is a file then only store if the file size is short\ -+ * enough to fit. -+ */ -+ if (yaffs_check_tags_extra_packable(t)) { -+ /* Store the extra header info instead */ -+ /* We save the parent object in the chunk_id */ -+ ptt->chunk_id = EXTRA_HEADER_INFO_FLAG | t->extra_parent_id; -+ if (t->extra_is_shrink) -+ ptt->chunk_id |= EXTRA_SHRINK_FLAG; -+ if (t->extra_shadows) -+ ptt->chunk_id |= EXTRA_SHADOWS_FLAG; -+ -+ ptt->obj_id &= ~EXTRA_OBJECT_TYPE_MASK; -+ ptt->obj_id |= (t->extra_obj_type << EXTRA_OBJECT_TYPE_SHIFT); -+ -+ if (t->extra_obj_type == YAFFS_OBJECT_TYPE_HARDLINK) -+ ptt->n_bytes = t->extra_equiv_id; -+ else if (t->extra_obj_type == YAFFS_OBJECT_TYPE_FILE) -+ ptt->n_bytes = (unsigned) t->extra_file_size; -+ else -+ ptt->n_bytes = 0; -+ } -+ -+ yaffs_dump_packed_tags2_tags_only(ptt); -+ yaffs_dump_tags2(t); -+} -+ -+void yaffs_pack_tags2(struct yaffs_packed_tags2 *pt, -+ const struct yaffs_ext_tags *t, int tags_ecc) -+{ -+ yaffs_pack_tags2_tags_only(&pt->t, t); -+ -+ if (tags_ecc) -+ yaffs_ecc_calc_other((unsigned char *)&pt->t, -+ sizeof(struct yaffs_packed_tags2_tags_only), -+ &pt->ecc); -+} -+ -+void yaffs_unpack_tags2_tags_only(struct yaffs_ext_tags *t, -+ struct yaffs_packed_tags2_tags_only *ptt) -+{ -+ memset(t, 0, sizeof(struct yaffs_ext_tags)); -+ -+ if (ptt->seq_number == 0xffffffff) -+ return; -+ -+ t->block_bad = 0; -+ t->chunk_used = 1; -+ t->obj_id = ptt->obj_id; -+ t->chunk_id = ptt->chunk_id; -+ t->n_bytes = ptt->n_bytes; -+ t->is_deleted = 0; -+ t->serial_number = 0; -+ t->seq_number = ptt->seq_number; -+ -+ /* Do extra header info stuff */ -+ if (ptt->chunk_id & EXTRA_HEADER_INFO_FLAG) { -+ t->chunk_id = 0; -+ t->n_bytes = 0; -+ -+ t->extra_available = 1; -+ t->extra_parent_id = ptt->chunk_id & (~(ALL_EXTRA_FLAGS)); -+ t->extra_is_shrink = ptt->chunk_id & EXTRA_SHRINK_FLAG ? 1 : 0; -+ t->extra_shadows = ptt->chunk_id & EXTRA_SHADOWS_FLAG ? 1 : 0; -+ t->extra_obj_type = ptt->obj_id >> EXTRA_OBJECT_TYPE_SHIFT; -+ t->obj_id &= ~EXTRA_OBJECT_TYPE_MASK; -+ -+ if (t->extra_obj_type == YAFFS_OBJECT_TYPE_HARDLINK) -+ t->extra_equiv_id = ptt->n_bytes; -+ else -+ t->extra_file_size = ptt->n_bytes; -+ } -+ yaffs_dump_packed_tags2_tags_only(ptt); -+ yaffs_dump_tags2(t); -+} -+ -+void yaffs_unpack_tags2(struct yaffs_ext_tags *t, struct yaffs_packed_tags2 *pt, -+ int tags_ecc) -+{ -+ enum yaffs_ecc_result ecc_result = YAFFS_ECC_RESULT_NO_ERROR; -+ -+ if (pt->t.seq_number != 0xffffffff && tags_ecc) { -+ /* Chunk is in use and we need to do ECC */ -+ -+ struct yaffs_ecc_other ecc; -+ int result; -+ yaffs_ecc_calc_other((unsigned char *)&pt->t, -+ sizeof(struct yaffs_packed_tags2_tags_only), -+ &ecc); -+ result = -+ yaffs_ecc_correct_other((unsigned char *)&pt->t, -+ sizeof(struct yaffs_packed_tags2_tags_only), -+ &pt->ecc, &ecc); -+ switch (result) { -+ case 0: -+ ecc_result = YAFFS_ECC_RESULT_NO_ERROR; -+ break; -+ case 1: -+ ecc_result = YAFFS_ECC_RESULT_FIXED; -+ break; -+ case -1: -+ ecc_result = YAFFS_ECC_RESULT_UNFIXED; -+ break; -+ default: -+ ecc_result = YAFFS_ECC_RESULT_UNKNOWN; -+ } -+ } -+ yaffs_unpack_tags2_tags_only(t, &pt->t); -+ -+ t->ecc_result = ecc_result; -+ -+ yaffs_dump_packed_tags2(pt); -+ yaffs_dump_tags2(t); -+} -diff -Nur linux-3.15-rc5.orig/fs/yaffs2/yaffs_packedtags2.h linux-3.15-rc5/fs/yaffs2/yaffs_packedtags2.h ---- linux-3.15-rc5.orig/fs/yaffs2/yaffs_packedtags2.h 1970-01-01 01:00:00.000000000 +0100 -+++ linux-3.15-rc5/fs/yaffs2/yaffs_packedtags2.h 2014-05-17 01:53:27.000000000 +0200 -@@ -0,0 +1,47 @@ -+/* -+ * YAFFS: Yet another Flash File System . A NAND-flash specific file system. -+ * -+ * Copyright (C) 2002-2011 Aleph One Ltd. -+ * for Toby Churchill Ltd and Brightstar Engineering -+ * -+ * Created by Charles Manning -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU Lesser General Public License version 2.1 as -+ * published by the Free Software Foundation. -+ * -+ * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL. -+ */ -+ -+/* This is used to pack YAFFS2 tags, not YAFFS1tags. */ -+ -+#ifndef __YAFFS_PACKEDTAGS2_H__ -+#define __YAFFS_PACKEDTAGS2_H__ -+ -+#include "yaffs_guts.h" -+#include "yaffs_ecc.h" -+ -+struct yaffs_packed_tags2_tags_only { -+ unsigned seq_number; -+ unsigned obj_id; -+ unsigned chunk_id; -+ unsigned n_bytes; -+}; -+ -+struct yaffs_packed_tags2 { -+ struct yaffs_packed_tags2_tags_only t; -+ struct yaffs_ecc_other ecc; -+}; -+ -+/* Full packed tags with ECC, used for oob tags */ -+void yaffs_pack_tags2(struct yaffs_packed_tags2 *pt, -+ const struct yaffs_ext_tags *t, int tags_ecc); -+void yaffs_unpack_tags2(struct yaffs_ext_tags *t, struct yaffs_packed_tags2 *pt, -+ int tags_ecc); -+ -+/* Only the tags part (no ECC for use with inband tags */ -+void yaffs_pack_tags2_tags_only(struct yaffs_packed_tags2_tags_only *pt, -+ const struct yaffs_ext_tags *t); -+void yaffs_unpack_tags2_tags_only(struct yaffs_ext_tags *t, -+ struct yaffs_packed_tags2_tags_only *pt); -+#endif -diff -Nur linux-3.15-rc5.orig/fs/yaffs2/yaffs_summary.c linux-3.15-rc5/fs/yaffs2/yaffs_summary.c ---- linux-3.15-rc5.orig/fs/yaffs2/yaffs_summary.c 1970-01-01 01:00:00.000000000 +0100 -+++ linux-3.15-rc5/fs/yaffs2/yaffs_summary.c 2014-05-17 01:53:27.000000000 +0200 -@@ -0,0 +1,312 @@ -+/* -+ * YAFFS: Yet Another Flash File System. A NAND-flash specific file system. -+ * -+ * Copyright (C) 2002-2011 Aleph One Ltd. -+ * for Toby Churchill Ltd and Brightstar Engineering -+ * -+ * Created by Charles Manning -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+/* Summaries write the useful part of the tags for the chunks in a block into an -+ * an array which is written to the last n chunks of the block. -+ * Reading the summaries gives all the tags for the block in one read. Much -+ * faster. -+ * -+ * Chunks holding summaries are marked with tags making it look like -+ * they are part of a fake file. -+ * -+ * The summary could also be used during gc. -+ * -+ */ -+ -+#include "yaffs_summary.h" -+#include "yaffs_packedtags2.h" -+#include "yaffs_nand.h" -+#include "yaffs_getblockinfo.h" -+#include "yaffs_bitmap.h" -+ -+/* -+ * The summary is built up in an array of summary tags. -+ * This gets written to the last one or two (maybe more) chunks in a block. -+ * A summary header is written as the first part of each chunk of summary data. -+ * The summary header must match or the summary is rejected. -+ */ -+ -+/* Summary tags don't need the sequence number because that is redundant. */ -+struct yaffs_summary_tags { -+ unsigned obj_id; -+ unsigned chunk_id; -+ unsigned n_bytes; -+}; -+ -+/* Summary header */ -+struct yaffs_summary_header { -+ unsigned version; /* Must match current version */ -+ unsigned block; /* Must be this block */ -+ unsigned seq; /* Must be this sequence number */ -+ unsigned sum; /* Just add up all the bytes in the tags */ -+}; -+ -+ -+static void yaffs_summary_clear(struct yaffs_dev *dev) -+{ -+ if (!dev->sum_tags) -+ return; -+ memset(dev->sum_tags, 0, dev->chunks_per_summary * -+ sizeof(struct yaffs_summary_tags)); -+} -+ -+ -+void yaffs_summary_deinit(struct yaffs_dev *dev) -+{ -+ kfree(dev->sum_tags); -+ dev->sum_tags = NULL; -+ kfree(dev->gc_sum_tags); -+ dev->gc_sum_tags = NULL; -+ dev->chunks_per_summary = 0; -+} -+ -+int yaffs_summary_init(struct yaffs_dev *dev) -+{ -+ int sum_bytes; -+ int chunks_used; /* Number of chunks used by summary */ -+ int sum_tags_bytes; -+ -+ sum_bytes = dev->param.chunks_per_block * -+ sizeof(struct yaffs_summary_tags); -+ -+ chunks_used = (sum_bytes + dev->data_bytes_per_chunk - 1)/ -+ (dev->data_bytes_per_chunk - -+ sizeof(struct yaffs_summary_header)); -+ -+ dev->chunks_per_summary = dev->param.chunks_per_block - chunks_used; -+ sum_tags_bytes = sizeof(struct yaffs_summary_tags) * -+ dev->chunks_per_summary; -+ dev->sum_tags = kmalloc(sum_tags_bytes, GFP_NOFS); -+ dev->gc_sum_tags = kmalloc(sum_tags_bytes, GFP_NOFS); -+ if (!dev->sum_tags || !dev->gc_sum_tags) { -+ yaffs_summary_deinit(dev); -+ return YAFFS_FAIL; -+ } -+ -+ yaffs_summary_clear(dev); -+ -+ return YAFFS_OK; -+} -+ -+static unsigned yaffs_summary_sum(struct yaffs_dev *dev) -+{ -+ u8 *sum_buffer = (u8 *)dev->sum_tags; -+ int i; -+ unsigned sum = 0; -+ -+ i = sizeof(struct yaffs_summary_tags) * -+ dev->chunks_per_summary; -+ while (i > 0) { -+ sum += *sum_buffer; -+ sum_buffer++; -+ i--; -+ } -+ -+ return sum; -+} -+ -+static int yaffs_summary_write(struct yaffs_dev *dev, int blk) -+{ -+ struct yaffs_ext_tags tags; -+ u8 *buffer; -+ u8 *sum_buffer = (u8 *)dev->sum_tags; -+ int n_bytes; -+ int chunk_in_nand; -+ int chunk_in_block; -+ int result; -+ int this_tx; -+ struct yaffs_summary_header hdr; -+ int sum_bytes_per_chunk = dev->data_bytes_per_chunk - sizeof(hdr); -+ struct yaffs_block_info *bi = yaffs_get_block_info(dev, blk); -+ -+ buffer = yaffs_get_temp_buffer(dev); -+ n_bytes = sizeof(struct yaffs_summary_tags) * -+ dev->chunks_per_summary; -+ memset(&tags, 0, sizeof(struct yaffs_ext_tags)); -+ tags.obj_id = YAFFS_OBJECTID_SUMMARY; -+ tags.chunk_id = 1; -+ chunk_in_block = dev->chunks_per_summary; -+ chunk_in_nand = dev->alloc_block * dev->param.chunks_per_block + -+ dev->chunks_per_summary; -+ hdr.version = YAFFS_SUMMARY_VERSION; -+ hdr.block = blk; -+ hdr.seq = bi->seq_number; -+ hdr.sum = yaffs_summary_sum(dev); -+ -+ do { -+ this_tx = n_bytes; -+ if (this_tx > sum_bytes_per_chunk) -+ this_tx = sum_bytes_per_chunk; -+ memcpy(buffer, &hdr, sizeof(hdr)); -+ memcpy(buffer + sizeof(hdr), sum_buffer, this_tx); -+ tags.n_bytes = this_tx + sizeof(hdr); -+ result = yaffs_wr_chunk_tags_nand(dev, chunk_in_nand, -+ buffer, &tags); -+ -+ if (result != YAFFS_OK) -+ break; -+ yaffs_set_chunk_bit(dev, blk, chunk_in_block); -+ bi->pages_in_use++; -+ dev->n_free_chunks--; -+ -+ n_bytes -= this_tx; -+ sum_buffer += this_tx; -+ chunk_in_nand++; -+ chunk_in_block++; -+ tags.chunk_id++; -+ } while (result == YAFFS_OK && n_bytes > 0); -+ yaffs_release_temp_buffer(dev, buffer); -+ -+ -+ if (result == YAFFS_OK) -+ bi->has_summary = 1; -+ -+ -+ return result; -+} -+ -+int yaffs_summary_read(struct yaffs_dev *dev, -+ struct yaffs_summary_tags *st, -+ int blk) -+{ -+ struct yaffs_ext_tags tags; -+ u8 *buffer; -+ u8 *sum_buffer = (u8 *)st; -+ int n_bytes; -+ int chunk_id; -+ int chunk_in_nand; -+ int chunk_in_block; -+ int result; -+ int this_tx; -+ struct yaffs_summary_header hdr; -+ struct yaffs_block_info *bi = yaffs_get_block_info(dev, blk); -+ int sum_bytes_per_chunk = dev->data_bytes_per_chunk - sizeof(hdr); -+ int sum_tags_bytes; -+ -+ sum_tags_bytes = sizeof(struct yaffs_summary_tags) * -+ dev->chunks_per_summary; -+ buffer = yaffs_get_temp_buffer(dev); -+ n_bytes = sizeof(struct yaffs_summary_tags) * dev->chunks_per_summary; -+ chunk_in_block = dev->chunks_per_summary; -+ chunk_in_nand = blk * dev->param.chunks_per_block + -+ dev->chunks_per_summary; -+ chunk_id = 1; -+ do { -+ this_tx = n_bytes; -+ if (this_tx > sum_bytes_per_chunk) -+ this_tx = sum_bytes_per_chunk; -+ result = yaffs_rd_chunk_tags_nand(dev, chunk_in_nand, -+ buffer, &tags); -+ -+ if (tags.chunk_id != chunk_id || -+ tags.obj_id != YAFFS_OBJECTID_SUMMARY || -+ tags.chunk_used == 0 || -+ tags.ecc_result > YAFFS_ECC_RESULT_FIXED || -+ tags.n_bytes != (this_tx + sizeof(hdr))) -+ result = YAFFS_FAIL; -+ if (result != YAFFS_OK) -+ break; -+ -+ if (st == dev->sum_tags) { -+ /* If we're scanning then update the block info */ -+ yaffs_set_chunk_bit(dev, blk, chunk_in_block); -+ bi->pages_in_use++; -+ } -+ memcpy(&hdr, buffer, sizeof(hdr)); -+ memcpy(sum_buffer, buffer + sizeof(hdr), this_tx); -+ n_bytes -= this_tx; -+ sum_buffer += this_tx; -+ chunk_in_nand++; -+ chunk_in_block++; -+ chunk_id++; -+ } while (result == YAFFS_OK && n_bytes > 0); -+ yaffs_release_temp_buffer(dev, buffer); -+ -+ if (result == YAFFS_OK) { -+ /* Verify header */ -+ if (hdr.version != YAFFS_SUMMARY_VERSION || -+ hdr.seq != bi->seq_number || -+ hdr.sum != yaffs_summary_sum(dev)) -+ result = YAFFS_FAIL; -+ } -+ -+ if (st == dev->sum_tags && result == YAFFS_OK) -+ bi->has_summary = 1; -+ -+ return result; -+} -+ -+int yaffs_summary_add(struct yaffs_dev *dev, -+ struct yaffs_ext_tags *tags, -+ int chunk_in_nand) -+{ -+ struct yaffs_packed_tags2_tags_only tags_only; -+ struct yaffs_summary_tags *sum_tags; -+ int block_in_nand = chunk_in_nand / dev->param.chunks_per_block; -+ int chunk_in_block = chunk_in_nand % dev->param.chunks_per_block; -+ -+ if (!dev->sum_tags) -+ return YAFFS_OK; -+ -+ if (chunk_in_block >= 0 && chunk_in_block < dev->chunks_per_summary) { -+ yaffs_pack_tags2_tags_only(&tags_only, tags); -+ sum_tags = &dev->sum_tags[chunk_in_block]; -+ sum_tags->chunk_id = tags_only.chunk_id; -+ sum_tags->n_bytes = tags_only.n_bytes; -+ sum_tags->obj_id = tags_only.obj_id; -+ -+ if (chunk_in_block == dev->chunks_per_summary - 1) { -+ /* Time to write out the summary */ -+ yaffs_summary_write(dev, block_in_nand); -+ yaffs_summary_clear(dev); -+ yaffs_skip_rest_of_block(dev); -+ } -+ } -+ return YAFFS_OK; -+} -+ -+int yaffs_summary_fetch(struct yaffs_dev *dev, -+ struct yaffs_ext_tags *tags, -+ int chunk_in_block) -+{ -+ struct yaffs_packed_tags2_tags_only tags_only; -+ struct yaffs_summary_tags *sum_tags; -+ if (chunk_in_block >= 0 && chunk_in_block < dev->chunks_per_summary) { -+ sum_tags = &dev->sum_tags[chunk_in_block]; -+ tags_only.chunk_id = sum_tags->chunk_id; -+ tags_only.n_bytes = sum_tags->n_bytes; -+ tags_only.obj_id = sum_tags->obj_id; -+ yaffs_unpack_tags2_tags_only(tags, &tags_only); -+ return YAFFS_OK; -+ } -+ return YAFFS_FAIL; -+} -+ -+void yaffs_summary_gc(struct yaffs_dev *dev, int blk) -+{ -+ struct yaffs_block_info *bi = yaffs_get_block_info(dev, blk); -+ int i; -+ -+ if (!bi->has_summary) -+ return; -+ -+ for (i = dev->chunks_per_summary; -+ i < dev->param.chunks_per_block; -+ i++) { -+ if (yaffs_check_chunk_bit(dev, blk, i)) { -+ yaffs_clear_chunk_bit(dev, blk, i); -+ bi->pages_in_use--; -+ dev->n_free_chunks++; -+ } -+ } -+} -diff -Nur linux-3.15-rc5.orig/fs/yaffs2/yaffs_summary.h linux-3.15-rc5/fs/yaffs2/yaffs_summary.h ---- linux-3.15-rc5.orig/fs/yaffs2/yaffs_summary.h 1970-01-01 01:00:00.000000000 +0100 -+++ linux-3.15-rc5/fs/yaffs2/yaffs_summary.h 2014-05-17 01:53:27.000000000 +0200 -@@ -0,0 +1,37 @@ -+/* -+ * YAFFS: Yet another Flash File System . A NAND-flash specific file system. -+ * -+ * Copyright (C) 2002-2011 Aleph One Ltd. -+ * for Toby Churchill Ltd and Brightstar Engineering -+ * -+ * Created by Charles Manning -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU Lesser General Public License version 2.1 as -+ * published by the Free Software Foundation. -+ * -+ * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL. -+ */ -+ -+#ifndef __YAFFS_SUMMARY_H__ -+#define __YAFFS_SUMMARY_H__ -+ -+#include "yaffs_packedtags2.h" -+ -+ -+int yaffs_summary_init(struct yaffs_dev *dev); -+void yaffs_summary_deinit(struct yaffs_dev *dev); -+ -+int yaffs_summary_add(struct yaffs_dev *dev, -+ struct yaffs_ext_tags *tags, -+ int chunk_in_block); -+int yaffs_summary_fetch(struct yaffs_dev *dev, -+ struct yaffs_ext_tags *tags, -+ int chunk_in_block); -+int yaffs_summary_read(struct yaffs_dev *dev, -+ struct yaffs_summary_tags *st, -+ int blk); -+void yaffs_summary_gc(struct yaffs_dev *dev, int blk); -+ -+ -+#endif -diff -Nur linux-3.15-rc5.orig/fs/yaffs2/yaffs_tagscompat.c linux-3.15-rc5/fs/yaffs2/yaffs_tagscompat.c ---- linux-3.15-rc5.orig/fs/yaffs2/yaffs_tagscompat.c 1970-01-01 01:00:00.000000000 +0100 -+++ linux-3.15-rc5/fs/yaffs2/yaffs_tagscompat.c 2014-05-17 01:53:27.000000000 +0200 -@@ -0,0 +1,381 @@ -+/* -+ * YAFFS: Yet Another Flash File System. A NAND-flash specific file system. -+ * -+ * Copyright (C) 2002-2011 Aleph One Ltd. -+ * for Toby Churchill Ltd and Brightstar Engineering -+ * -+ * Created by Charles Manning -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+#include "yaffs_guts.h" -+#include "yaffs_tagscompat.h" -+#include "yaffs_ecc.h" -+#include "yaffs_getblockinfo.h" -+#include "yaffs_trace.h" -+ -+static void yaffs_handle_rd_data_error(struct yaffs_dev *dev, int nand_chunk); -+ -+ -+/********** Tags ECC calculations *********/ -+ -+ -+void yaffs_calc_tags_ecc(struct yaffs_tags *tags) -+{ -+ /* Calculate an ecc */ -+ unsigned char *b = ((union yaffs_tags_union *)tags)->as_bytes; -+ unsigned i, j; -+ unsigned ecc = 0; -+ unsigned bit = 0; -+ -+ tags->ecc = 0; -+ -+ for (i = 0; i < 8; i++) { -+ for (j = 1; j & 0xff; j <<= 1) { -+ bit++; -+ if (b[i] & j) -+ ecc ^= bit; -+ } -+ } -+ tags->ecc = ecc; -+} -+ -+int yaffs_check_tags_ecc(struct yaffs_tags *tags) -+{ -+ unsigned ecc = tags->ecc; -+ -+ yaffs_calc_tags_ecc(tags); -+ -+ ecc ^= tags->ecc; -+ -+ if (ecc && ecc <= 64) { -+ /* TODO: Handle the failure better. Retire? */ -+ unsigned char *b = ((union yaffs_tags_union *)tags)->as_bytes; -+ -+ ecc--; -+ -+ b[ecc / 8] ^= (1 << (ecc & 7)); -+ -+ /* Now recvalc the ecc */ -+ yaffs_calc_tags_ecc(tags); -+ -+ return 1; /* recovered error */ -+ } else if (ecc) { -+ /* Wierd ecc failure value */ -+ /* TODO Need to do somethiong here */ -+ return -1; /* unrecovered error */ -+ } -+ return 0; -+} -+ -+/********** Tags **********/ -+ -+static void yaffs_load_tags_to_spare(struct yaffs_spare *spare_ptr, -+ struct yaffs_tags *tags_ptr) -+{ -+ union yaffs_tags_union *tu = (union yaffs_tags_union *)tags_ptr; -+ -+ yaffs_calc_tags_ecc(tags_ptr); -+ -+ spare_ptr->tb0 = tu->as_bytes[0]; -+ spare_ptr->tb1 = tu->as_bytes[1]; -+ spare_ptr->tb2 = tu->as_bytes[2]; -+ spare_ptr->tb3 = tu->as_bytes[3]; -+ spare_ptr->tb4 = tu->as_bytes[4]; -+ spare_ptr->tb5 = tu->as_bytes[5]; -+ spare_ptr->tb6 = tu->as_bytes[6]; -+ spare_ptr->tb7 = tu->as_bytes[7]; -+} -+ -+static void yaffs_get_tags_from_spare(struct yaffs_dev *dev, -+ struct yaffs_spare *spare_ptr, -+ struct yaffs_tags *tags_ptr) -+{ -+ union yaffs_tags_union *tu = (union yaffs_tags_union *)tags_ptr; -+ int result; -+ -+ tu->as_bytes[0] = spare_ptr->tb0; -+ tu->as_bytes[1] = spare_ptr->tb1; -+ tu->as_bytes[2] = spare_ptr->tb2; -+ tu->as_bytes[3] = spare_ptr->tb3; -+ tu->as_bytes[4] = spare_ptr->tb4; -+ tu->as_bytes[5] = spare_ptr->tb5; -+ tu->as_bytes[6] = spare_ptr->tb6; -+ tu->as_bytes[7] = spare_ptr->tb7; -+ -+ result = yaffs_check_tags_ecc(tags_ptr); -+ if (result > 0) -+ dev->n_tags_ecc_fixed++; -+ else if (result < 0) -+ dev->n_tags_ecc_unfixed++; -+} -+ -+static void yaffs_spare_init(struct yaffs_spare *spare) -+{ -+ memset(spare, 0xff, sizeof(struct yaffs_spare)); -+} -+ -+static int yaffs_wr_nand(struct yaffs_dev *dev, -+ int nand_chunk, const u8 *data, -+ struct yaffs_spare *spare) -+{ -+ int data_size = dev->data_bytes_per_chunk; -+ -+ return dev->drv.drv_write_chunk_fn(dev, nand_chunk, -+ data, data_size, -+ (u8 *) spare, sizeof(*spare)); -+} -+ -+static int yaffs_rd_chunk_nand(struct yaffs_dev *dev, -+ int nand_chunk, -+ u8 *data, -+ struct yaffs_spare *spare, -+ enum yaffs_ecc_result *ecc_result, -+ int correct_errors) -+{ -+ int ret_val; -+ struct yaffs_spare local_spare; -+ int data_size; -+ int spare_size; -+ int ecc_result1, ecc_result2; -+ u8 calc_ecc[3]; -+ -+ if (!spare) { -+ /* If we don't have a real spare, then we use a local one. */ -+ /* Need this for the calculation of the ecc */ -+ spare = &local_spare; -+ } -+ data_size = dev->data_bytes_per_chunk; -+ spare_size = sizeof(struct yaffs_spare); -+ -+ if (dev->param.use_nand_ecc) -+ return dev->drv.drv_read_chunk_fn(dev, nand_chunk, -+ data, data_size, -+ (u8 *) spare, spare_size, -+ ecc_result); -+ -+ -+ /* Handle the ECC at this level. */ -+ -+ ret_val = dev->drv.drv_read_chunk_fn(dev, nand_chunk, -+ data, data_size, -+ (u8 *)spare, spare_size, -+ NULL); -+ if (!data || !correct_errors) -+ return ret_val; -+ -+ /* Do ECC correction if needed. */ -+ yaffs_ecc_calc(data, calc_ecc); -+ ecc_result1 = yaffs_ecc_correct(data, spare->ecc1, calc_ecc); -+ yaffs_ecc_calc(&data[256], calc_ecc); -+ ecc_result2 = yaffs_ecc_correct(&data[256], spare->ecc2, calc_ecc); -+ -+ if (ecc_result1 > 0) { -+ yaffs_trace(YAFFS_TRACE_ERROR, -+ "**>>yaffs ecc error fix performed on chunk %d:0", -+ nand_chunk); -+ dev->n_ecc_fixed++; -+ } else if (ecc_result1 < 0) { -+ yaffs_trace(YAFFS_TRACE_ERROR, -+ "**>>yaffs ecc error unfixed on chunk %d:0", -+ nand_chunk); -+ dev->n_ecc_unfixed++; -+ } -+ -+ if (ecc_result2 > 0) { -+ yaffs_trace(YAFFS_TRACE_ERROR, -+ "**>>yaffs ecc error fix performed on chunk %d:1", -+ nand_chunk); -+ dev->n_ecc_fixed++; -+ } else if (ecc_result2 < 0) { -+ yaffs_trace(YAFFS_TRACE_ERROR, -+ "**>>yaffs ecc error unfixed on chunk %d:1", -+ nand_chunk); -+ dev->n_ecc_unfixed++; -+ } -+ -+ if (ecc_result1 || ecc_result2) { -+ /* We had a data problem on this page */ -+ yaffs_handle_rd_data_error(dev, nand_chunk); -+ } -+ -+ if (ecc_result1 < 0 || ecc_result2 < 0) -+ *ecc_result = YAFFS_ECC_RESULT_UNFIXED; -+ else if (ecc_result1 > 0 || ecc_result2 > 0) -+ *ecc_result = YAFFS_ECC_RESULT_FIXED; -+ else -+ *ecc_result = YAFFS_ECC_RESULT_NO_ERROR; -+ -+ return ret_val; -+} -+ -+/* -+ * Functions for robustisizing -+ */ -+ -+static void yaffs_handle_rd_data_error(struct yaffs_dev *dev, int nand_chunk) -+{ -+ int flash_block = nand_chunk / dev->param.chunks_per_block; -+ -+ /* Mark the block for retirement */ -+ yaffs_get_block_info(dev, flash_block + dev->block_offset)-> -+ needs_retiring = 1; -+ yaffs_trace(YAFFS_TRACE_ERROR | YAFFS_TRACE_BAD_BLOCKS, -+ "**>>Block %d marked for retirement", -+ flash_block); -+ -+ /* TODO: -+ * Just do a garbage collection on the affected block -+ * then retire the block -+ * NB recursion -+ */ -+} -+ -+static int yaffs_tags_compat_wr(struct yaffs_dev *dev, -+ int nand_chunk, -+ const u8 *data, const struct yaffs_ext_tags *ext_tags) -+{ -+ struct yaffs_spare spare; -+ struct yaffs_tags tags; -+ -+ yaffs_spare_init(&spare); -+ -+ if (ext_tags->is_deleted) -+ spare.page_status = 0; -+ else { -+ tags.obj_id = ext_tags->obj_id; -+ tags.chunk_id = ext_tags->chunk_id; -+ -+ tags.n_bytes_lsb = ext_tags->n_bytes & (1024 - 1); -+ -+ if (dev->data_bytes_per_chunk >= 1024) -+ tags.n_bytes_msb = (ext_tags->n_bytes >> 10) & 3; -+ else -+ tags.n_bytes_msb = 3; -+ -+ tags.serial_number = ext_tags->serial_number; -+ -+ if (!dev->param.use_nand_ecc && data) { -+ yaffs_ecc_calc(data, spare.ecc1); -+ yaffs_ecc_calc(&data[256], spare.ecc2); -+ } -+ -+ yaffs_load_tags_to_spare(&spare, &tags); -+ } -+ return yaffs_wr_nand(dev, nand_chunk, data, &spare); -+} -+ -+static int yaffs_tags_compat_rd(struct yaffs_dev *dev, -+ int nand_chunk, -+ u8 *data, struct yaffs_ext_tags *ext_tags) -+{ -+ struct yaffs_spare spare; -+ struct yaffs_tags tags; -+ enum yaffs_ecc_result ecc_result = YAFFS_ECC_RESULT_UNKNOWN; -+ static struct yaffs_spare spare_ff; -+ static int init; -+ int deleted; -+ -+ if (!init) { -+ memset(&spare_ff, 0xff, sizeof(spare_ff)); -+ init = 1; -+ } -+ -+ if (!yaffs_rd_chunk_nand(dev, nand_chunk, -+ data, &spare, &ecc_result, 1)) -+ return YAFFS_FAIL; -+ -+ /* ext_tags may be NULL */ -+ if (!ext_tags) -+ return YAFFS_OK; -+ -+ deleted = (hweight8(spare.page_status) < 7) ? 1 : 0; -+ -+ ext_tags->is_deleted = deleted; -+ ext_tags->ecc_result = ecc_result; -+ ext_tags->block_bad = 0; /* We're reading it */ -+ /* therefore it is not a bad block */ -+ ext_tags->chunk_used = -+ memcmp(&spare_ff, &spare, sizeof(spare_ff)) ? 1 : 0; -+ -+ if (ext_tags->chunk_used) { -+ yaffs_get_tags_from_spare(dev, &spare, &tags); -+ ext_tags->obj_id = tags.obj_id; -+ ext_tags->chunk_id = tags.chunk_id; -+ ext_tags->n_bytes = tags.n_bytes_lsb; -+ -+ if (dev->data_bytes_per_chunk >= 1024) -+ ext_tags->n_bytes |= -+ (((unsigned)tags.n_bytes_msb) << 10); -+ -+ ext_tags->serial_number = tags.serial_number; -+ } -+ -+ return YAFFS_OK; -+} -+ -+static int yaffs_tags_compat_mark_bad(struct yaffs_dev *dev, int flash_block) -+{ -+ struct yaffs_spare spare; -+ -+ memset(&spare, 0xff, sizeof(struct yaffs_spare)); -+ -+ spare.block_status = 'Y'; -+ -+ yaffs_wr_nand(dev, flash_block * dev->param.chunks_per_block, NULL, -+ &spare); -+ yaffs_wr_nand(dev, flash_block * dev->param.chunks_per_block + 1, -+ NULL, &spare); -+ -+ return YAFFS_OK; -+} -+ -+static int yaffs_tags_compat_query_block(struct yaffs_dev *dev, -+ int block_no, -+ enum yaffs_block_state *state, -+ u32 *seq_number) -+{ -+ struct yaffs_spare spare0, spare1; -+ static struct yaffs_spare spare_ff; -+ static int init; -+ enum yaffs_ecc_result dummy; -+ -+ if (!init) { -+ memset(&spare_ff, 0xff, sizeof(spare_ff)); -+ init = 1; -+ } -+ -+ *seq_number = 0; -+ -+ /* Look for bad block markers in the first two chunks */ -+ yaffs_rd_chunk_nand(dev, block_no * dev->param.chunks_per_block, -+ NULL, &spare0, &dummy, 0); -+ yaffs_rd_chunk_nand(dev, block_no * dev->param.chunks_per_block + 1, -+ NULL, &spare1, &dummy, 0); -+ -+ if (hweight8(spare0.block_status & spare1.block_status) < 7) -+ *state = YAFFS_BLOCK_STATE_DEAD; -+ else if (memcmp(&spare_ff, &spare0, sizeof(spare_ff)) == 0) -+ *state = YAFFS_BLOCK_STATE_EMPTY; -+ else -+ *state = YAFFS_BLOCK_STATE_NEEDS_SCAN; -+ -+ return YAFFS_OK; -+} -+ -+void yaffs_tags_compat_install(struct yaffs_dev *dev) -+{ -+ if(dev->param.is_yaffs2) -+ return; -+ if(!dev->tagger.write_chunk_tags_fn) -+ dev->tagger.write_chunk_tags_fn = yaffs_tags_compat_wr; -+ if(!dev->tagger.read_chunk_tags_fn) -+ dev->tagger.read_chunk_tags_fn = yaffs_tags_compat_rd; -+ if(!dev->tagger.query_block_fn) -+ dev->tagger.query_block_fn = yaffs_tags_compat_query_block; -+ if(!dev->tagger.mark_bad_fn) -+ dev->tagger.mark_bad_fn = yaffs_tags_compat_mark_bad; -+} -diff -Nur linux-3.15-rc5.orig/fs/yaffs2/yaffs_tagscompat.h linux-3.15-rc5/fs/yaffs2/yaffs_tagscompat.h ---- linux-3.15-rc5.orig/fs/yaffs2/yaffs_tagscompat.h 1970-01-01 01:00:00.000000000 +0100 -+++ linux-3.15-rc5/fs/yaffs2/yaffs_tagscompat.h 2014-05-17 01:53:27.000000000 +0200 -@@ -0,0 +1,44 @@ -+/* -+ * YAFFS: Yet another Flash File System . A NAND-flash specific file system. -+ * -+ * Copyright (C) 2002-2011 Aleph One Ltd. -+ * for Toby Churchill Ltd and Brightstar Engineering -+ * -+ * Created by Charles Manning -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU Lesser General Public License version 2.1 as -+ * published by the Free Software Foundation. -+ * -+ * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL. -+ */ -+ -+#ifndef __YAFFS_TAGSCOMPAT_H__ -+#define __YAFFS_TAGSCOMPAT_H__ -+ -+ -+#include "yaffs_guts.h" -+ -+#if 0 -+ -+ -+int yaffs_tags_compat_wr(struct yaffs_dev *dev, -+ int nand_chunk, -+ const u8 *data, const struct yaffs_ext_tags *tags); -+int yaffs_tags_compat_rd(struct yaffs_dev *dev, -+ int nand_chunk, -+ u8 *data, struct yaffs_ext_tags *tags); -+int yaffs_tags_compat_mark_bad(struct yaffs_dev *dev, int block_no); -+int yaffs_tags_compat_query_block(struct yaffs_dev *dev, -+ int block_no, -+ enum yaffs_block_state *state, -+ u32 *seq_number); -+ -+#endif -+ -+ -+void yaffs_tags_compat_install(struct yaffs_dev *dev); -+void yaffs_calc_tags_ecc(struct yaffs_tags *tags); -+int yaffs_check_tags_ecc(struct yaffs_tags *tags); -+ -+#endif -diff -Nur linux-3.15-rc5.orig/fs/yaffs2/yaffs_tagsmarshall.c linux-3.15-rc5/fs/yaffs2/yaffs_tagsmarshall.c ---- linux-3.15-rc5.orig/fs/yaffs2/yaffs_tagsmarshall.c 1970-01-01 01:00:00.000000000 +0100 -+++ linux-3.15-rc5/fs/yaffs2/yaffs_tagsmarshall.c 2014-05-17 01:53:27.000000000 +0200 -@@ -0,0 +1,199 @@ -+/* -+ * YAFFS: Yet Another Flash File System. A NAND-flash specific file system. -+ * -+ * Copyright (C) 2002-2011 Aleph One Ltd. -+ * for Toby Churchill Ltd and Brightstar Engineering -+ * -+ * Created by Charles Manning -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+#include "yaffs_guts.h" -+#include "yaffs_trace.h" -+#include "yaffs_packedtags2.h" -+ -+static int yaffs_tags_marshall_write(struct yaffs_dev *dev, -+ int nand_chunk, const u8 *data, -+ const struct yaffs_ext_tags *tags) -+{ -+ struct yaffs_packed_tags2 pt; -+ int retval; -+ -+ int packed_tags_size = -+ dev->param.no_tags_ecc ? sizeof(pt.t) : sizeof(pt); -+ void *packed_tags_ptr = -+ dev->param.no_tags_ecc ? (void *)&pt.t : (void *)&pt; -+ -+ yaffs_trace(YAFFS_TRACE_MTD, -+ "yaffs_tags_marshall_write chunk %d data %p tags %p", -+ nand_chunk, data, tags); -+ -+ /* For yaffs2 writing there must be both data and tags. -+ * If we're using inband tags, then the tags are stuffed into -+ * the end of the data buffer. -+ */ -+ if (!data || !tags) -+ BUG(); -+ else if (dev->param.inband_tags) { -+ struct yaffs_packed_tags2_tags_only *pt2tp; -+ pt2tp = -+ (struct yaffs_packed_tags2_tags_only *)(data + -+ dev-> -+ data_bytes_per_chunk); -+ yaffs_pack_tags2_tags_only(pt2tp, tags); -+ } else { -+ yaffs_pack_tags2(&pt, tags, !dev->param.no_tags_ecc); -+ } -+ -+ retval = dev->drv.drv_write_chunk_fn(dev, nand_chunk, -+ data, dev->param.total_bytes_per_chunk, -+ (dev->param.inband_tags) ? NULL : packed_tags_ptr, -+ (dev->param.inband_tags) ? 0 : packed_tags_size); -+ -+ return retval; -+} -+ -+static int yaffs_tags_marshall_read(struct yaffs_dev *dev, -+ int nand_chunk, u8 *data, -+ struct yaffs_ext_tags *tags) -+{ -+ int retval = 0; -+ int local_data = 0; -+ u8 spare_buffer[100]; -+ enum yaffs_ecc_result ecc_result; -+ -+ struct yaffs_packed_tags2 pt; -+ -+ int packed_tags_size = -+ dev->param.no_tags_ecc ? sizeof(pt.t) : sizeof(pt); -+ void *packed_tags_ptr = -+ dev->param.no_tags_ecc ? (void *)&pt.t : (void *)&pt; -+ -+ yaffs_trace(YAFFS_TRACE_MTD, -+ "yaffs_tags_marshall_read chunk %d data %p tags %p", -+ nand_chunk, data, tags); -+ -+ if (dev->param.inband_tags) { -+ if (!data) { -+ local_data = 1; -+ data = yaffs_get_temp_buffer(dev); -+ } -+ } -+ -+ if (dev->param.inband_tags || (data && !tags)) -+ retval = dev->drv.drv_read_chunk_fn(dev, nand_chunk, -+ data, dev->param.total_bytes_per_chunk, -+ NULL, 0, -+ &ecc_result); -+ else if (tags) -+ retval = dev->drv.drv_read_chunk_fn(dev, nand_chunk, -+ data, dev->param.total_bytes_per_chunk, -+ spare_buffer, packed_tags_size, -+ &ecc_result); -+ else -+ BUG(); -+ -+ -+ if (dev->param.inband_tags) { -+ if (tags) { -+ struct yaffs_packed_tags2_tags_only *pt2tp; -+ pt2tp = -+ (struct yaffs_packed_tags2_tags_only *) -+ &data[dev->data_bytes_per_chunk]; -+ yaffs_unpack_tags2_tags_only(tags, pt2tp); -+ } -+ } else if (tags) { -+ memcpy(packed_tags_ptr, spare_buffer, packed_tags_size); -+ yaffs_unpack_tags2(tags, &pt, !dev->param.no_tags_ecc); -+ } -+ -+ if (local_data) -+ yaffs_release_temp_buffer(dev, data); -+ -+ if (tags && ecc_result == YAFFS_ECC_RESULT_UNFIXED) { -+ tags->ecc_result = YAFFS_ECC_RESULT_UNFIXED; -+ dev->n_ecc_unfixed++; -+ } -+ -+ if (tags && ecc_result == -YAFFS_ECC_RESULT_FIXED) { -+ if (tags->ecc_result <= YAFFS_ECC_RESULT_NO_ERROR) -+ tags->ecc_result = YAFFS_ECC_RESULT_FIXED; -+ dev->n_ecc_fixed++; -+ } -+ -+ if (ecc_result < YAFFS_ECC_RESULT_UNFIXED) -+ return YAFFS_OK; -+ else -+ return YAFFS_FAIL; -+} -+ -+static int yaffs_tags_marshall_query_block(struct yaffs_dev *dev, int block_no, -+ enum yaffs_block_state *state, -+ u32 *seq_number) -+{ -+ int retval; -+ -+ yaffs_trace(YAFFS_TRACE_MTD, "yaffs_tags_marshall_query_block %d", -+ block_no); -+ -+ retval = dev->drv.drv_check_bad_fn(dev, block_no); -+ -+ if (retval== YAFFS_FAIL) { -+ yaffs_trace(YAFFS_TRACE_MTD, "block is bad"); -+ -+ *state = YAFFS_BLOCK_STATE_DEAD; -+ *seq_number = 0; -+ } else { -+ struct yaffs_ext_tags t; -+ -+ yaffs_tags_marshall_read(dev, -+ block_no * dev->param.chunks_per_block, -+ NULL, &t); -+ -+ if (t.chunk_used) { -+ *seq_number = t.seq_number; -+ *state = YAFFS_BLOCK_STATE_NEEDS_SCAN; -+ } else { -+ *seq_number = 0; -+ *state = YAFFS_BLOCK_STATE_EMPTY; -+ } -+ } -+ -+ yaffs_trace(YAFFS_TRACE_MTD, -+ "block query returns seq %d state %d", -+ *seq_number, *state); -+ -+ if (retval == 0) -+ return YAFFS_OK; -+ else -+ return YAFFS_FAIL; -+} -+ -+static int yaffs_tags_marshall_mark_bad(struct yaffs_dev *dev, int block_no) -+{ -+ return dev->drv.drv_mark_bad_fn(dev, block_no); -+ -+} -+ -+ -+void yaffs_tags_marshall_install(struct yaffs_dev *dev) -+{ -+ if (!dev->param.is_yaffs2) -+ return; -+ -+ if (!dev->tagger.write_chunk_tags_fn) -+ dev->tagger.write_chunk_tags_fn = yaffs_tags_marshall_write; -+ -+ if (!dev->tagger.read_chunk_tags_fn) -+ dev->tagger.read_chunk_tags_fn = yaffs_tags_marshall_read; -+ -+ if (!dev->tagger.query_block_fn) -+ dev->tagger.query_block_fn = yaffs_tags_marshall_query_block; -+ -+ if (!dev->tagger.mark_bad_fn) -+ dev->tagger.mark_bad_fn = yaffs_tags_marshall_mark_bad; -+ -+} -diff -Nur linux-3.15-rc5.orig/fs/yaffs2/yaffs_tagsmarshall.h linux-3.15-rc5/fs/yaffs2/yaffs_tagsmarshall.h ---- linux-3.15-rc5.orig/fs/yaffs2/yaffs_tagsmarshall.h 1970-01-01 01:00:00.000000000 +0100 -+++ linux-3.15-rc5/fs/yaffs2/yaffs_tagsmarshall.h 2014-05-17 01:53:27.000000000 +0200 -@@ -0,0 +1,22 @@ -+/* -+ * YAFFS: Yet another Flash File System . A NAND-flash specific file system. -+ * -+ * Copyright (C) 2002-2011 Aleph One Ltd. -+ * for Toby Churchill Ltd and Brightstar Engineering -+ * -+ * Created by Charles Manning -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU Lesser General Public License version 2.1 as -+ * published by the Free Software Foundation. -+ * -+ * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL. -+ */ -+ -+#ifndef __YAFFS_TAGSMARSHALL_H__ -+#define __YAFFS_TAGSMARSHALL_H__ -+ -+#include "yaffs_guts.h" -+void yaffs_tags_marshall_install(struct yaffs_dev *dev); -+ -+#endif -diff -Nur linux-3.15-rc5.orig/fs/yaffs2/yaffs_trace.h linux-3.15-rc5/fs/yaffs2/yaffs_trace.h ---- linux-3.15-rc5.orig/fs/yaffs2/yaffs_trace.h 1970-01-01 01:00:00.000000000 +0100 -+++ linux-3.15-rc5/fs/yaffs2/yaffs_trace.h 2014-05-17 01:53:27.000000000 +0200 -@@ -0,0 +1,57 @@ -+/* -+ * YAFFS: Yet another Flash File System . A NAND-flash specific file system. -+ * -+ * Copyright (C) 2002-2011 Aleph One Ltd. -+ * for Toby Churchill Ltd and Brightstar Engineering -+ * -+ * Created by Charles Manning -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU Lesser General Public License version 2.1 as -+ * published by the Free Software Foundation. -+ * -+ * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL. -+ */ -+ -+#ifndef __YTRACE_H__ -+#define __YTRACE_H__ -+ -+extern unsigned int yaffs_trace_mask; -+extern unsigned int yaffs_wr_attempts; -+ -+/* -+ * Tracing flags. -+ * The flags masked in YAFFS_TRACE_ALWAYS are always traced. -+ */ -+ -+#define YAFFS_TRACE_OS 0x00000002 -+#define YAFFS_TRACE_ALLOCATE 0x00000004 -+#define YAFFS_TRACE_SCAN 0x00000008 -+#define YAFFS_TRACE_BAD_BLOCKS 0x00000010 -+#define YAFFS_TRACE_ERASE 0x00000020 -+#define YAFFS_TRACE_GC 0x00000040 -+#define YAFFS_TRACE_WRITE 0x00000080 -+#define YAFFS_TRACE_TRACING 0x00000100 -+#define YAFFS_TRACE_DELETION 0x00000200 -+#define YAFFS_TRACE_BUFFERS 0x00000400 -+#define YAFFS_TRACE_NANDACCESS 0x00000800 -+#define YAFFS_TRACE_GC_DETAIL 0x00001000 -+#define YAFFS_TRACE_SCAN_DEBUG 0x00002000 -+#define YAFFS_TRACE_MTD 0x00004000 -+#define YAFFS_TRACE_CHECKPOINT 0x00008000 -+ -+#define YAFFS_TRACE_VERIFY 0x00010000 -+#define YAFFS_TRACE_VERIFY_NAND 0x00020000 -+#define YAFFS_TRACE_VERIFY_FULL 0x00040000 -+#define YAFFS_TRACE_VERIFY_ALL 0x000f0000 -+ -+#define YAFFS_TRACE_SYNC 0x00100000 -+#define YAFFS_TRACE_BACKGROUND 0x00200000 -+#define YAFFS_TRACE_LOCK 0x00400000 -+#define YAFFS_TRACE_MOUNT 0x00800000 -+ -+#define YAFFS_TRACE_ERROR 0x40000000 -+#define YAFFS_TRACE_BUG 0x80000000 -+#define YAFFS_TRACE_ALWAYS 0xf0000000 -+ -+#endif -diff -Nur linux-3.15-rc5.orig/fs/yaffs2/yaffs_verify.c linux-3.15-rc5/fs/yaffs2/yaffs_verify.c ---- linux-3.15-rc5.orig/fs/yaffs2/yaffs_verify.c 1970-01-01 01:00:00.000000000 +0100 -+++ linux-3.15-rc5/fs/yaffs2/yaffs_verify.c 2014-05-17 01:53:27.000000000 +0200 -@@ -0,0 +1,529 @@ -+/* -+ * YAFFS: Yet Another Flash File System. A NAND-flash specific file system. -+ * -+ * Copyright (C) 2002-2011 Aleph One Ltd. -+ * for Toby Churchill Ltd and Brightstar Engineering -+ * -+ * Created by Charles Manning -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+#include "yaffs_verify.h" -+#include "yaffs_trace.h" -+#include "yaffs_bitmap.h" -+#include "yaffs_getblockinfo.h" -+#include "yaffs_nand.h" -+ -+int yaffs_skip_verification(struct yaffs_dev *dev) -+{ -+ (void) dev; -+ return !(yaffs_trace_mask & -+ (YAFFS_TRACE_VERIFY | YAFFS_TRACE_VERIFY_FULL)); -+} -+ -+static int yaffs_skip_full_verification(struct yaffs_dev *dev) -+{ -+ (void) dev; -+ return !(yaffs_trace_mask & (YAFFS_TRACE_VERIFY_FULL)); -+} -+ -+static int yaffs_skip_nand_verification(struct yaffs_dev *dev) -+{ -+ (void) dev; -+ return !(yaffs_trace_mask & (YAFFS_TRACE_VERIFY_NAND)); -+} -+ -+static const char * const block_state_name[] = { -+ "Unknown", -+ "Needs scan", -+ "Scanning", -+ "Empty", -+ "Allocating", -+ "Full", -+ "Dirty", -+ "Checkpoint", -+ "Collecting", -+ "Dead" -+}; -+ -+void yaffs_verify_blk(struct yaffs_dev *dev, struct yaffs_block_info *bi, int n) -+{ -+ int actually_used; -+ int in_use; -+ -+ if (yaffs_skip_verification(dev)) -+ return; -+ -+ /* Report illegal runtime states */ -+ if (bi->block_state >= YAFFS_NUMBER_OF_BLOCK_STATES) -+ yaffs_trace(YAFFS_TRACE_VERIFY, -+ "Block %d has undefined state %d", -+ n, bi->block_state); -+ -+ switch (bi->block_state) { -+ case YAFFS_BLOCK_STATE_UNKNOWN: -+ case YAFFS_BLOCK_STATE_SCANNING: -+ case YAFFS_BLOCK_STATE_NEEDS_SCAN: -+ yaffs_trace(YAFFS_TRACE_VERIFY, -+ "Block %d has bad run-state %s", -+ n, block_state_name[bi->block_state]); -+ } -+ -+ /* Check pages in use and soft deletions are legal */ -+ -+ actually_used = bi->pages_in_use - bi->soft_del_pages; -+ -+ if (bi->pages_in_use < 0 || -+ bi->pages_in_use > dev->param.chunks_per_block || -+ bi->soft_del_pages < 0 || -+ bi->soft_del_pages > dev->param.chunks_per_block || -+ actually_used < 0 || actually_used > dev->param.chunks_per_block) -+ yaffs_trace(YAFFS_TRACE_VERIFY, -+ "Block %d has illegal values pages_in_used %d soft_del_pages %d", -+ n, bi->pages_in_use, bi->soft_del_pages); -+ -+ /* Check chunk bitmap legal */ -+ in_use = yaffs_count_chunk_bits(dev, n); -+ if (in_use != bi->pages_in_use) -+ yaffs_trace(YAFFS_TRACE_VERIFY, -+ "Block %d has inconsistent values pages_in_use %d counted chunk bits %d", -+ n, bi->pages_in_use, in_use); -+} -+ -+void yaffs_verify_collected_blk(struct yaffs_dev *dev, -+ struct yaffs_block_info *bi, int n) -+{ -+ yaffs_verify_blk(dev, bi, n); -+ -+ /* After collection the block should be in the erased state */ -+ -+ if (bi->block_state != YAFFS_BLOCK_STATE_COLLECTING && -+ bi->block_state != YAFFS_BLOCK_STATE_EMPTY) { -+ yaffs_trace(YAFFS_TRACE_ERROR, -+ "Block %d is in state %d after gc, should be erased", -+ n, bi->block_state); -+ } -+} -+ -+void yaffs_verify_blocks(struct yaffs_dev *dev) -+{ -+ int i; -+ int state_count[YAFFS_NUMBER_OF_BLOCK_STATES]; -+ int illegal_states = 0; -+ -+ if (yaffs_skip_verification(dev)) -+ return; -+ -+ memset(state_count, 0, sizeof(state_count)); -+ -+ for (i = dev->internal_start_block; i <= dev->internal_end_block; i++) { -+ struct yaffs_block_info *bi = yaffs_get_block_info(dev, i); -+ yaffs_verify_blk(dev, bi, i); -+ -+ if (bi->block_state < YAFFS_NUMBER_OF_BLOCK_STATES) -+ state_count[bi->block_state]++; -+ else -+ illegal_states++; -+ } -+ -+ yaffs_trace(YAFFS_TRACE_VERIFY, "Block summary"); -+ -+ yaffs_trace(YAFFS_TRACE_VERIFY, -+ "%d blocks have illegal states", -+ illegal_states); -+ if (state_count[YAFFS_BLOCK_STATE_ALLOCATING] > 1) -+ yaffs_trace(YAFFS_TRACE_VERIFY, -+ "Too many allocating blocks"); -+ -+ for (i = 0; i < YAFFS_NUMBER_OF_BLOCK_STATES; i++) -+ yaffs_trace(YAFFS_TRACE_VERIFY, -+ "%s %d blocks", -+ block_state_name[i], state_count[i]); -+ -+ if (dev->blocks_in_checkpt != state_count[YAFFS_BLOCK_STATE_CHECKPOINT]) -+ yaffs_trace(YAFFS_TRACE_VERIFY, -+ "Checkpoint block count wrong dev %d count %d", -+ dev->blocks_in_checkpt, -+ state_count[YAFFS_BLOCK_STATE_CHECKPOINT]); -+ -+ if (dev->n_erased_blocks != state_count[YAFFS_BLOCK_STATE_EMPTY]) -+ yaffs_trace(YAFFS_TRACE_VERIFY, -+ "Erased block count wrong dev %d count %d", -+ dev->n_erased_blocks, -+ state_count[YAFFS_BLOCK_STATE_EMPTY]); -+ -+ if (state_count[YAFFS_BLOCK_STATE_COLLECTING] > 1) -+ yaffs_trace(YAFFS_TRACE_VERIFY, -+ "Too many collecting blocks %d (max is 1)", -+ state_count[YAFFS_BLOCK_STATE_COLLECTING]); -+} -+ -+/* -+ * Verify the object header. oh must be valid, but obj and tags may be NULL in -+ * which case those tests will not be performed. -+ */ -+void yaffs_verify_oh(struct yaffs_obj *obj, struct yaffs_obj_hdr *oh, -+ struct yaffs_ext_tags *tags, int parent_check) -+{ -+ if (obj && yaffs_skip_verification(obj->my_dev)) -+ return; -+ -+ if (!(tags && obj && oh)) { -+ yaffs_trace(YAFFS_TRACE_VERIFY, -+ "Verifying object header tags %p obj %p oh %p", -+ tags, obj, oh); -+ return; -+ } -+ -+ if (oh->type <= YAFFS_OBJECT_TYPE_UNKNOWN || -+ oh->type > YAFFS_OBJECT_TYPE_MAX) -+ yaffs_trace(YAFFS_TRACE_VERIFY, -+ "Obj %d header type is illegal value 0x%x", -+ tags->obj_id, oh->type); -+ -+ if (tags->obj_id != obj->obj_id) -+ yaffs_trace(YAFFS_TRACE_VERIFY, -+ "Obj %d header mismatch obj_id %d", -+ tags->obj_id, obj->obj_id); -+ -+ /* -+ * Check that the object's parent ids match if parent_check requested. -+ * -+ * Tests do not apply to the root object. -+ */ -+ -+ if (parent_check && tags->obj_id > 1 && !obj->parent) -+ yaffs_trace(YAFFS_TRACE_VERIFY, -+ "Obj %d header mismatch parent_id %d obj->parent is NULL", -+ tags->obj_id, oh->parent_obj_id); -+ -+ if (parent_check && obj->parent && -+ oh->parent_obj_id != obj->parent->obj_id && -+ (oh->parent_obj_id != YAFFS_OBJECTID_UNLINKED || -+ obj->parent->obj_id != YAFFS_OBJECTID_DELETED)) -+ yaffs_trace(YAFFS_TRACE_VERIFY, -+ "Obj %d header mismatch parent_id %d parent_obj_id %d", -+ tags->obj_id, oh->parent_obj_id, -+ obj->parent->obj_id); -+ -+ if (tags->obj_id > 1 && oh->name[0] == 0) /* Null name */ -+ yaffs_trace(YAFFS_TRACE_VERIFY, -+ "Obj %d header name is NULL", -+ obj->obj_id); -+ -+ if (tags->obj_id > 1 && ((u8) (oh->name[0])) == 0xff) /* Junk name */ -+ yaffs_trace(YAFFS_TRACE_VERIFY, -+ "Obj %d header name is 0xff", -+ obj->obj_id); -+} -+ -+void yaffs_verify_file(struct yaffs_obj *obj) -+{ -+ u32 x; -+ int required_depth; -+ int actual_depth; -+ int last_chunk; -+ u32 offset_in_chunk; -+ u32 the_chunk; -+ -+ u32 i; -+ struct yaffs_dev *dev; -+ struct yaffs_ext_tags tags; -+ struct yaffs_tnode *tn; -+ u32 obj_id; -+ -+ if (!obj) -+ return; -+ -+ if (yaffs_skip_verification(obj->my_dev)) -+ return; -+ -+ dev = obj->my_dev; -+ obj_id = obj->obj_id; -+ -+ -+ /* Check file size is consistent with tnode depth */ -+ yaffs_addr_to_chunk(dev, obj->variant.file_variant.file_size, -+ &last_chunk, &offset_in_chunk); -+ last_chunk++; -+ x = last_chunk >> YAFFS_TNODES_LEVEL0_BITS; -+ required_depth = 0; -+ while (x > 0) { -+ x >>= YAFFS_TNODES_INTERNAL_BITS; -+ required_depth++; -+ } -+ -+ actual_depth = obj->variant.file_variant.top_level; -+ -+ /* Check that the chunks in the tnode tree are all correct. -+ * We do this by scanning through the tnode tree and -+ * checking the tags for every chunk match. -+ */ -+ -+ if (yaffs_skip_nand_verification(dev)) -+ return; -+ -+ for (i = 1; i <= last_chunk; i++) { -+ tn = yaffs_find_tnode_0(dev, &obj->variant.file_variant, i); -+ -+ if (!tn) -+ continue; -+ -+ the_chunk = yaffs_get_group_base(dev, tn, i); -+ if (the_chunk > 0) { -+ yaffs_rd_chunk_tags_nand(dev, the_chunk, NULL, -+ &tags); -+ if (tags.obj_id != obj_id || tags.chunk_id != i) -+ yaffs_trace(YAFFS_TRACE_VERIFY, -+ "Object %d chunk_id %d NAND mismatch chunk %d tags (%d:%d)", -+ obj_id, i, the_chunk, -+ tags.obj_id, tags.chunk_id); -+ } -+ } -+} -+ -+void yaffs_verify_link(struct yaffs_obj *obj) -+{ -+ if (obj && yaffs_skip_verification(obj->my_dev)) -+ return; -+ -+ /* Verify sane equivalent object */ -+} -+ -+void yaffs_verify_symlink(struct yaffs_obj *obj) -+{ -+ if (obj && yaffs_skip_verification(obj->my_dev)) -+ return; -+ -+ /* Verify symlink string */ -+} -+ -+void yaffs_verify_special(struct yaffs_obj *obj) -+{ -+ if (obj && yaffs_skip_verification(obj->my_dev)) -+ return; -+} -+ -+void yaffs_verify_obj(struct yaffs_obj *obj) -+{ -+ struct yaffs_dev *dev; -+ u32 chunk_min; -+ u32 chunk_max; -+ u32 chunk_id_ok; -+ u32 chunk_in_range; -+ u32 chunk_wrongly_deleted; -+ u32 chunk_valid; -+ -+ if (!obj) -+ return; -+ -+ if (obj->being_created) -+ return; -+ -+ dev = obj->my_dev; -+ -+ if (yaffs_skip_verification(dev)) -+ return; -+ -+ /* Check sane object header chunk */ -+ -+ chunk_min = dev->internal_start_block * dev->param.chunks_per_block; -+ chunk_max = -+ (dev->internal_end_block + 1) * dev->param.chunks_per_block - 1; -+ -+ chunk_in_range = (((unsigned)(obj->hdr_chunk)) >= chunk_min && -+ ((unsigned)(obj->hdr_chunk)) <= chunk_max); -+ chunk_id_ok = chunk_in_range || (obj->hdr_chunk == 0); -+ chunk_valid = chunk_in_range && -+ yaffs_check_chunk_bit(dev, -+ obj->hdr_chunk / dev->param.chunks_per_block, -+ obj->hdr_chunk % dev->param.chunks_per_block); -+ chunk_wrongly_deleted = chunk_in_range && !chunk_valid; -+ -+ if (!obj->fake && (!chunk_id_ok || chunk_wrongly_deleted)) -+ yaffs_trace(YAFFS_TRACE_VERIFY, -+ "Obj %d has chunk_id %d %s %s", -+ obj->obj_id, obj->hdr_chunk, -+ chunk_id_ok ? "" : ",out of range", -+ chunk_wrongly_deleted ? ",marked as deleted" : ""); -+ -+ if (chunk_valid && !yaffs_skip_nand_verification(dev)) { -+ struct yaffs_ext_tags tags; -+ struct yaffs_obj_hdr *oh; -+ u8 *buffer = yaffs_get_temp_buffer(dev); -+ -+ oh = (struct yaffs_obj_hdr *)buffer; -+ -+ yaffs_rd_chunk_tags_nand(dev, obj->hdr_chunk, buffer, &tags); -+ -+ yaffs_verify_oh(obj, oh, &tags, 1); -+ -+ yaffs_release_temp_buffer(dev, buffer); -+ } -+ -+ /* Verify it has a parent */ -+ if (obj && !obj->fake && (!obj->parent || obj->parent->my_dev != dev)) { -+ yaffs_trace(YAFFS_TRACE_VERIFY, -+ "Obj %d has parent pointer %p which does not look like an object", -+ obj->obj_id, obj->parent); -+ } -+ -+ /* Verify parent is a directory */ -+ if (obj->parent && -+ obj->parent->variant_type != YAFFS_OBJECT_TYPE_DIRECTORY) { -+ yaffs_trace(YAFFS_TRACE_VERIFY, -+ "Obj %d's parent is not a directory (type %d)", -+ obj->obj_id, obj->parent->variant_type); -+ } -+ -+ switch (obj->variant_type) { -+ case YAFFS_OBJECT_TYPE_FILE: -+ yaffs_verify_file(obj); -+ break; -+ case YAFFS_OBJECT_TYPE_SYMLINK: -+ yaffs_verify_symlink(obj); -+ break; -+ case YAFFS_OBJECT_TYPE_DIRECTORY: -+ yaffs_verify_dir(obj); -+ break; -+ case YAFFS_OBJECT_TYPE_HARDLINK: -+ yaffs_verify_link(obj); -+ break; -+ case YAFFS_OBJECT_TYPE_SPECIAL: -+ yaffs_verify_special(obj); -+ break; -+ case YAFFS_OBJECT_TYPE_UNKNOWN: -+ default: -+ yaffs_trace(YAFFS_TRACE_VERIFY, -+ "Obj %d has illegaltype %d", -+ obj->obj_id, obj->variant_type); -+ break; -+ } -+} -+ -+void yaffs_verify_objects(struct yaffs_dev *dev) -+{ -+ struct yaffs_obj *obj; -+ int i; -+ struct list_head *lh; -+ -+ if (yaffs_skip_verification(dev)) -+ return; -+ -+ /* Iterate through the objects in each hash entry */ -+ -+ for (i = 0; i < YAFFS_NOBJECT_BUCKETS; i++) { -+ list_for_each(lh, &dev->obj_bucket[i].list) { -+ obj = list_entry(lh, struct yaffs_obj, hash_link); -+ yaffs_verify_obj(obj); -+ } -+ } -+} -+ -+void yaffs_verify_obj_in_dir(struct yaffs_obj *obj) -+{ -+ struct list_head *lh; -+ struct yaffs_obj *list_obj; -+ int count = 0; -+ -+ if (!obj) { -+ yaffs_trace(YAFFS_TRACE_ALWAYS, "No object to verify"); -+ BUG(); -+ return; -+ } -+ -+ if (yaffs_skip_verification(obj->my_dev)) -+ return; -+ -+ if (!obj->parent) { -+ yaffs_trace(YAFFS_TRACE_ALWAYS, "Object does not have parent"); -+ BUG(); -+ return; -+ } -+ -+ if (obj->parent->variant_type != YAFFS_OBJECT_TYPE_DIRECTORY) { -+ yaffs_trace(YAFFS_TRACE_ALWAYS, "Parent is not directory"); -+ BUG(); -+ } -+ -+ /* Iterate through the objects in each hash entry */ -+ -+ list_for_each(lh, &obj->parent->variant.dir_variant.children) { -+ list_obj = list_entry(lh, struct yaffs_obj, siblings); -+ yaffs_verify_obj(list_obj); -+ if (obj == list_obj) -+ count++; -+ } -+ -+ if (count != 1) { -+ yaffs_trace(YAFFS_TRACE_ALWAYS, -+ "Object in directory %d times", -+ count); -+ BUG(); -+ } -+} -+ -+void yaffs_verify_dir(struct yaffs_obj *directory) -+{ -+ struct list_head *lh; -+ struct yaffs_obj *list_obj; -+ -+ if (!directory) { -+ BUG(); -+ return; -+ } -+ -+ if (yaffs_skip_full_verification(directory->my_dev)) -+ return; -+ -+ if (directory->variant_type != YAFFS_OBJECT_TYPE_DIRECTORY) { -+ yaffs_trace(YAFFS_TRACE_ALWAYS, -+ "Directory has wrong type: %d", -+ directory->variant_type); -+ BUG(); -+ } -+ -+ /* Iterate through the objects in each hash entry */ -+ -+ list_for_each(lh, &directory->variant.dir_variant.children) { -+ list_obj = list_entry(lh, struct yaffs_obj, siblings); -+ if (list_obj->parent != directory) { -+ yaffs_trace(YAFFS_TRACE_ALWAYS, -+ "Object in directory list has wrong parent %p", -+ list_obj->parent); -+ BUG(); -+ } -+ yaffs_verify_obj_in_dir(list_obj); -+ } -+} -+ -+static int yaffs_free_verification_failures; -+ -+void yaffs_verify_free_chunks(struct yaffs_dev *dev) -+{ -+ int counted; -+ int difference; -+ -+ if (yaffs_skip_verification(dev)) -+ return; -+ -+ counted = yaffs_count_free_chunks(dev); -+ -+ difference = dev->n_free_chunks - counted; -+ -+ if (difference) { -+ yaffs_trace(YAFFS_TRACE_ALWAYS, -+ "Freechunks verification failure %d %d %d", -+ dev->n_free_chunks, counted, difference); -+ yaffs_free_verification_failures++; -+ } -+} -+ -+int yaffs_verify_file_sane(struct yaffs_obj *in) -+{ -+ (void) in; -+ return YAFFS_OK; -+} -diff -Nur linux-3.15-rc5.orig/fs/yaffs2/yaffs_verify.h linux-3.15-rc5/fs/yaffs2/yaffs_verify.h ---- linux-3.15-rc5.orig/fs/yaffs2/yaffs_verify.h 1970-01-01 01:00:00.000000000 +0100 -+++ linux-3.15-rc5/fs/yaffs2/yaffs_verify.h 2014-05-17 01:53:27.000000000 +0200 -@@ -0,0 +1,43 @@ -+/* -+ * YAFFS: Yet another Flash File System . A NAND-flash specific file system. -+ * -+ * Copyright (C) 2002-2011 Aleph One Ltd. -+ * for Toby Churchill Ltd and Brightstar Engineering -+ * -+ * Created by Charles Manning -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU Lesser General Public License version 2.1 as -+ * published by the Free Software Foundation. -+ * -+ * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL. -+ */ -+ -+#ifndef __YAFFS_VERIFY_H__ -+#define __YAFFS_VERIFY_H__ -+ -+#include "yaffs_guts.h" -+ -+void yaffs_verify_blk(struct yaffs_dev *dev, struct yaffs_block_info *bi, -+ int n); -+void yaffs_verify_collected_blk(struct yaffs_dev *dev, -+ struct yaffs_block_info *bi, int n); -+void yaffs_verify_blocks(struct yaffs_dev *dev); -+ -+void yaffs_verify_oh(struct yaffs_obj *obj, struct yaffs_obj_hdr *oh, -+ struct yaffs_ext_tags *tags, int parent_check); -+void yaffs_verify_file(struct yaffs_obj *obj); -+void yaffs_verify_link(struct yaffs_obj *obj); -+void yaffs_verify_symlink(struct yaffs_obj *obj); -+void yaffs_verify_special(struct yaffs_obj *obj); -+void yaffs_verify_obj(struct yaffs_obj *obj); -+void yaffs_verify_objects(struct yaffs_dev *dev); -+void yaffs_verify_obj_in_dir(struct yaffs_obj *obj); -+void yaffs_verify_dir(struct yaffs_obj *directory); -+void yaffs_verify_free_chunks(struct yaffs_dev *dev); -+ -+int yaffs_verify_file_sane(struct yaffs_obj *obj); -+ -+int yaffs_skip_verification(struct yaffs_dev *dev); -+ -+#endif -diff -Nur linux-3.15-rc5.orig/fs/yaffs2/yaffs_vfs.c linux-3.15-rc5/fs/yaffs2/yaffs_vfs.c ---- linux-3.15-rc5.orig/fs/yaffs2/yaffs_vfs.c 1970-01-01 01:00:00.000000000 +0100 -+++ linux-3.15-rc5/fs/yaffs2/yaffs_vfs.c 2014-05-17 02:52:54.000000000 +0200 -@@ -0,0 +1,3604 @@ -+/* -+ * YAFFS: Yet Another Flash File System. A NAND-flash specific file system. -+ * -+ * Copyright (C) 2002-2011 Aleph One Ltd. -+ * for Toby Churchill Ltd and Brightstar Engineering -+ * -+ * Created by Charles Manning -+ * Acknowledgements: -+ * Luc van OostenRyck for numerous patches. -+ * Nick Bane for numerous patches. -+ * Nick Bane for 2.5/2.6 integration. -+ * Andras Toth for mknod rdev issue. -+ * Michael Fischer for finding the problem with inode inconsistency. -+ * Some code bodily lifted from JFFS -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+/* -+ * -+ * This is the file system front-end to YAFFS that hooks it up to -+ * the VFS. -+ * -+ * Special notes: -+ * >> 2.4: sb->u.generic_sbp points to the struct yaffs_dev associated with -+ * this superblock -+ * >> 2.6: sb->s_fs_info points to the struct yaffs_dev associated with this -+ * superblock -+ * >> inode->u.generic_ip points to the associated struct yaffs_obj. -+ */ -+ -+/* -+ * There are two variants of the VFS glue code. This variant should compile -+ * for any version of Linux. -+ */ -+#include -+ -+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 10)) -+#define YAFFS_COMPILE_BACKGROUND -+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 23)) -+#define YAFFS_COMPILE_FREEZER -+#endif -+#endif -+ -+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 28)) -+#define YAFFS_COMPILE_EXPORTFS -+#endif -+ -+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 35)) -+#define YAFFS_USE_SETATTR_COPY -+#define YAFFS_USE_TRUNCATE_SETSIZE -+#endif -+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 35)) -+#define YAFFS_HAS_EVICT_INODE -+#endif -+ -+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 13)) -+#define YAFFS_NEW_FOLLOW_LINK 1 -+#else -+#define YAFFS_NEW_FOLLOW_LINK 0 -+#endif -+ -+#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 6, 0)) -+#define YAFFS_HAS_WRITE_SUPER -+#endif -+ -+ -+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 19)) -+#include -+#endif -+ -+#include -+#include -+#include -+#include -+#include -+#include -+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 39)) -+#include -+#endif -+#include -+#include -+#include -+#include -+#include -+ -+#if (YAFFS_NEW_FOLLOW_LINK == 1) -+#include -+#endif -+ -+#ifdef YAFFS_COMPILE_EXPORTFS -+#include -+#endif -+ -+#ifdef YAFFS_COMPILE_BACKGROUND -+#include -+#include -+#endif -+#ifdef YAFFS_COMPILE_FREEZER -+#include -+#endif -+ -+#include -+ -+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0)) -+ -+#include -+ -+#define UnlockPage(p) unlock_page(p) -+#define Page_Uptodate(page) test_bit(PG_uptodate, &(page)->flags) -+ -+/* FIXME: use sb->s_id instead ? */ -+#define yaffs_devname(sb, buf) bdevname(sb->s_bdev, buf) -+ -+#else -+ -+#include -+#define BDEVNAME_SIZE 0 -+#define yaffs_devname(sb, buf) kdevname(sb->s_dev) -+ -+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 5, 0)) -+/* added NCB 26/5/2006 for 2.4.25-vrs2-tcl1 kernel */ -+#define __user -+#endif -+ -+#endif -+ -+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 26)) -+#define YPROC_ROOT (&proc_root) -+#else -+#define YPROC_ROOT NULL -+#endif -+ -+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 26)) -+#define Y_INIT_TIMER(a) init_timer(a) -+#else -+#define Y_INIT_TIMER(a) init_timer_on_stack(a) -+#endif -+ -+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 27)) -+#define YAFFS_USE_WRITE_BEGIN_END 1 -+#else -+#define YAFFS_USE_WRITE_BEGIN_END 0 -+#endif -+ -+#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 6, 0)) -+#define YAFFS_SUPER_HAS_DIRTY -+#endif -+ -+ -+#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 2, 0)) -+#define set_nlink(inode, count) do { (inode)->i_nlink = (count); } while(0) -+#endif -+ -+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 28)) -+static uint32_t YCALCBLOCKS(uint64_t partition_size, uint32_t block_size) -+{ -+ uint64_t result = partition_size; -+ do_div(result, block_size); -+ return (uint32_t) result; -+} -+#else -+#define YCALCBLOCKS(s, b) ((s)/(b)) -+#endif -+ -+#include -+#include -+ -+#include "yportenv.h" -+#include "yaffs_trace.h" -+#include "yaffs_guts.h" -+#include "yaffs_attribs.h" -+ -+#include "yaffs_linux.h" -+ -+#include "yaffs_mtdif.h" -+#include "yaffs_packedtags2.h" -+#include "yaffs_getblockinfo.h" -+ -+unsigned int yaffs_trace_mask = -+ YAFFS_TRACE_BAD_BLOCKS | -+ YAFFS_TRACE_ALWAYS | -+ 0; -+ -+unsigned int yaffs_wr_attempts = YAFFS_WR_ATTEMPTS; -+unsigned int yaffs_auto_checkpoint = 1; -+unsigned int yaffs_gc_control = 1; -+unsigned int yaffs_bg_enable = 1; -+unsigned int yaffs_auto_select = 1; -+/* Module Parameters */ -+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0)) -+module_param(yaffs_trace_mask, uint, 0644); -+module_param(yaffs_wr_attempts, uint, 0644); -+module_param(yaffs_auto_checkpoint, uint, 0644); -+module_param(yaffs_gc_control, uint, 0644); -+module_param(yaffs_bg_enable, uint, 0644); -+#else -+MODULE_PARM(yaffs_trace_mask, "i"); -+MODULE_PARM(yaffs_wr_attempts, "i"); -+MODULE_PARM(yaffs_auto_checkpoint, "i"); -+MODULE_PARM(yaffs_gc_control, "i"); -+#endif -+ -+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 25)) -+/* use iget and read_inode */ -+#define Y_IGET(sb, inum) iget((sb), (inum)) -+ -+#else -+/* Call local equivalent */ -+#define YAFFS_USE_OWN_IGET -+#define Y_IGET(sb, inum) yaffs_iget((sb), (inum)) -+ -+#endif -+ -+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 18)) -+#define yaffs_inode_to_obj_lv(iptr) ((iptr)->i_private) -+#else -+#define yaffs_inode_to_obj_lv(iptr) ((iptr)->u.generic_ip) -+#endif -+ -+#define yaffs_inode_to_obj(iptr) \ -+ ((struct yaffs_obj *)(yaffs_inode_to_obj_lv(iptr))) -+#define yaffs_dentry_to_obj(dptr) yaffs_inode_to_obj((dptr)->d_inode) -+ -+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0)) -+#define yaffs_super_to_dev(sb) ((struct yaffs_dev *)sb->s_fs_info) -+#else -+#define yaffs_super_to_dev(sb) ((struct yaffs_dev *)sb->u.generic_sbp) -+#endif -+ -+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 5, 0)) -+#define Y_CLEAR_INODE(i) clear_inode(i) -+#else -+#define Y_CLEAR_INODE(i) end_writeback(i) -+#endif -+ -+ -+#define update_dir_time(dir) do {\ -+ (dir)->i_ctime = (dir)->i_mtime = CURRENT_TIME; \ -+ } while (0) -+ -+static void yaffs_fill_inode_from_obj(struct inode *inode, -+ struct yaffs_obj *obj); -+ -+ -+static void yaffs_gross_lock(struct yaffs_dev *dev) -+{ -+ yaffs_trace(YAFFS_TRACE_LOCK, "yaffs locking %p", current); -+ mutex_lock(&(yaffs_dev_to_lc(dev)->gross_lock)); -+ yaffs_trace(YAFFS_TRACE_LOCK, "yaffs locked %p", current); -+} -+ -+static void yaffs_gross_unlock(struct yaffs_dev *dev) -+{ -+ yaffs_trace(YAFFS_TRACE_LOCK, "yaffs unlocking %p", current); -+ mutex_unlock(&(yaffs_dev_to_lc(dev)->gross_lock)); -+} -+ -+ -+static int yaffs_readpage_nolock(struct file *f, struct page *pg) -+{ -+ /* Lifted from jffs2 */ -+ -+ struct yaffs_obj *obj; -+ unsigned char *pg_buf; -+ int ret; -+ loff_t pos = ((loff_t) pg->index) << PAGE_CACHE_SHIFT; -+ struct yaffs_dev *dev; -+ -+ yaffs_trace(YAFFS_TRACE_OS, -+ "yaffs_readpage_nolock at %lld, size %08x", -+ (long long)pos, -+ (unsigned)PAGE_CACHE_SIZE); -+ -+ obj = yaffs_dentry_to_obj(f->f_dentry); -+ -+ dev = obj->my_dev; -+ -+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0)) -+ BUG_ON(!PageLocked(pg)); -+#else -+ if (!PageLocked(pg)) -+ PAGE_BUG(pg); -+#endif -+ -+ pg_buf = kmap(pg); -+ /* FIXME: Can kmap fail? */ -+ -+ yaffs_gross_lock(dev); -+ -+ ret = yaffs_file_rd(obj, pg_buf, pos, PAGE_CACHE_SIZE); -+ -+ yaffs_gross_unlock(dev); -+ -+ if (ret >= 0) -+ ret = 0; -+ -+ if (ret) { -+ ClearPageUptodate(pg); -+ SetPageError(pg); -+ } else { -+ SetPageUptodate(pg); -+ ClearPageError(pg); -+ } -+ -+ flush_dcache_page(pg); -+ kunmap(pg); -+ -+ yaffs_trace(YAFFS_TRACE_OS, "yaffs_readpage_nolock done"); -+ return ret; -+} -+ -+static int yaffs_readpage_unlock(struct file *f, struct page *pg) -+{ -+ int ret = yaffs_readpage_nolock(f, pg); -+ UnlockPage(pg); -+ return ret; -+} -+ -+static int yaffs_readpage(struct file *f, struct page *pg) -+{ -+ int ret; -+ -+ yaffs_trace(YAFFS_TRACE_OS, "yaffs_readpage"); -+ ret = yaffs_readpage_unlock(f, pg); -+ yaffs_trace(YAFFS_TRACE_OS, "yaffs_readpage done"); -+ return ret; -+} -+ -+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 5, 0)) -+#define YCRED_FSUID() from_kuid(&init_user_ns, current_fsuid()) -+#define YCRED_FSGID() from_kgid(&init_user_ns, current_fsgid()) -+#else -+#define YCRED_FSUID() YCRED(current)->fsuid -+#define YCRED_FSGID() YCRED(current)->fsgid -+ -+static inline uid_t i_uid_read(const struct inode *inode) -+{ -+ return inode->i_uid; -+} -+ -+static inline gid_t i_gid_read(const struct inode *inode) -+{ -+ return inode->i_gid; -+} -+ -+static inline void i_uid_write(struct inode *inode, uid_t uid) -+{ -+ inode->i_uid = uid; -+} -+ -+static inline void i_gid_write(struct inode *inode, gid_t gid) -+{ -+ inode->i_gid = gid; -+} -+#endif -+ -+static void yaffs_set_super_dirty_val(struct yaffs_dev *dev, int val) -+{ -+ struct yaffs_linux_context *lc = yaffs_dev_to_lc(dev); -+ -+ if (lc) -+ lc->dirty = val; -+ -+# ifdef YAFFS_SUPER_HAS_DIRTY -+ { -+ struct super_block *sb = lc->super; -+ -+ if (sb) -+ sb->s_dirt = val; -+ } -+#endif -+ -+} -+ -+static void yaffs_set_super_dirty(struct yaffs_dev *dev) -+{ -+ yaffs_set_super_dirty_val(dev, 1); -+} -+ -+static void yaffs_clear_super_dirty(struct yaffs_dev *dev) -+{ -+ yaffs_set_super_dirty_val(dev, 0); -+} -+ -+static int yaffs_check_super_dirty(struct yaffs_dev *dev) -+{ -+ struct yaffs_linux_context *lc = yaffs_dev_to_lc(dev); -+ -+ if (lc && lc->dirty) -+ return 1; -+ -+# ifdef YAFFS_SUPER_HAS_DIRTY -+ { -+ struct super_block *sb = lc->super; -+ -+ if (sb && sb->s_dirt) -+ return 1; -+ } -+#endif -+ return 0; -+ -+} -+ -+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0)) -+static int yaffs_writepage(struct page *page, struct writeback_control *wbc) -+#else -+static int yaffs_writepage(struct page *page) -+#endif -+{ -+ struct yaffs_dev *dev; -+ struct address_space *mapping = page->mapping; -+ struct inode *inode; -+ unsigned long end_index; -+ char *buffer; -+ struct yaffs_obj *obj; -+ int n_written = 0; -+ unsigned n_bytes; -+ loff_t i_size; -+ -+ if (!mapping) -+ BUG(); -+ inode = mapping->host; -+ if (!inode) -+ BUG(); -+ i_size = i_size_read(inode); -+ -+ end_index = i_size >> PAGE_CACHE_SHIFT; -+ -+ if (page->index < end_index) -+ n_bytes = PAGE_CACHE_SIZE; -+ else { -+ n_bytes = i_size & (PAGE_CACHE_SIZE - 1); -+ -+ if (page->index > end_index || !n_bytes) { -+ yaffs_trace(YAFFS_TRACE_OS, -+ "yaffs_writepage at %lld, inode size = %lld!!", -+ ((loff_t)page->index) << PAGE_CACHE_SHIFT, -+ inode->i_size); -+ yaffs_trace(YAFFS_TRACE_OS, -+ " -> don't care!!"); -+ -+ zero_user_segment(page, 0, PAGE_CACHE_SIZE); -+ set_page_writeback(page); -+ unlock_page(page); -+ end_page_writeback(page); -+ return 0; -+ } -+ } -+ -+ if (n_bytes != PAGE_CACHE_SIZE) -+ zero_user_segment(page, n_bytes, PAGE_CACHE_SIZE); -+ -+ get_page(page); -+ -+ buffer = kmap(page); -+ -+ obj = yaffs_inode_to_obj(inode); -+ dev = obj->my_dev; -+ yaffs_gross_lock(dev); -+ -+ yaffs_trace(YAFFS_TRACE_OS, -+ "yaffs_writepage at %lld, size %08x", -+ ((loff_t)page->index) << PAGE_CACHE_SHIFT, n_bytes); -+ yaffs_trace(YAFFS_TRACE_OS, -+ "writepag0: obj = %lld, ino = %lld", -+ obj->variant.file_variant.file_size, inode->i_size); -+ -+ n_written = yaffs_wr_file(obj, buffer, -+ ((loff_t)page->index) << PAGE_CACHE_SHIFT, n_bytes, 0); -+ -+ yaffs_set_super_dirty(dev); -+ -+ yaffs_trace(YAFFS_TRACE_OS, -+ "writepag1: obj = %lld, ino = %lld", -+ obj->variant.file_variant.file_size, inode->i_size); -+ -+ yaffs_gross_unlock(dev); -+ -+ kunmap(page); -+ set_page_writeback(page); -+ unlock_page(page); -+ end_page_writeback(page); -+ put_page(page); -+ -+ return (n_written == n_bytes) ? 0 : -ENOSPC; -+} -+ -+/* Space holding and freeing is done to ensure we have space available for write_begin/end */ -+/* For now we just assume few parallel writes and check against a small number. */ -+/* Todo: need to do this with a counter to handle parallel reads better */ -+ -+static ssize_t yaffs_hold_space(struct file *f) -+{ -+ struct yaffs_obj *obj; -+ struct yaffs_dev *dev; -+ -+ int n_free_chunks; -+ -+ obj = yaffs_dentry_to_obj(f->f_dentry); -+ -+ dev = obj->my_dev; -+ -+ yaffs_gross_lock(dev); -+ -+ n_free_chunks = yaffs_get_n_free_chunks(dev); -+ -+ yaffs_gross_unlock(dev); -+ -+ return (n_free_chunks > 20) ? 1 : 0; -+} -+ -+static void yaffs_release_space(struct file *f) -+{ -+ struct yaffs_obj *obj; -+ struct yaffs_dev *dev; -+ -+ obj = yaffs_dentry_to_obj(f->f_dentry); -+ -+ dev = obj->my_dev; -+ -+ yaffs_gross_lock(dev); -+ -+ yaffs_gross_unlock(dev); -+} -+ -+#if (YAFFS_USE_WRITE_BEGIN_END > 0) -+static int yaffs_write_begin(struct file *filp, struct address_space *mapping, -+ loff_t pos, unsigned len, unsigned flags, -+ struct page **pagep, void **fsdata) -+{ -+ struct page *pg = NULL; -+ pgoff_t index = pos >> PAGE_CACHE_SHIFT; -+ -+ int ret = 0; -+ int space_held = 0; -+ -+ /* Get a page */ -+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 28) -+ pg = grab_cache_page_write_begin(mapping, index, flags); -+#else -+ pg = __grab_cache_page(mapping, index); -+#endif -+ -+ *pagep = pg; -+ if (!pg) { -+ ret = -ENOMEM; -+ goto out; -+ } -+ yaffs_trace(YAFFS_TRACE_OS, -+ "start yaffs_write_begin index %d(%x) uptodate %d", -+ (int)index, (int)index, Page_Uptodate(pg) ? 1 : 0); -+ -+ /* Get fs space */ -+ space_held = yaffs_hold_space(filp); -+ -+ if (!space_held) { -+ ret = -ENOSPC; -+ goto out; -+ } -+ -+ /* Update page if required */ -+ -+ if (!Page_Uptodate(pg)) -+ ret = yaffs_readpage_nolock(filp, pg); -+ -+ if (ret) -+ goto out; -+ -+ /* Happy path return */ -+ yaffs_trace(YAFFS_TRACE_OS, "end yaffs_write_begin - ok"); -+ -+ return 0; -+ -+out: -+ yaffs_trace(YAFFS_TRACE_OS, -+ "end yaffs_write_begin fail returning %d", ret); -+ if (space_held) -+ yaffs_release_space(filp); -+ if (pg) { -+ unlock_page(pg); -+ page_cache_release(pg); -+ } -+ return ret; -+} -+ -+#else -+ -+static int yaffs_prepare_write(struct file *f, struct page *pg, -+ unsigned offset, unsigned to) -+{ -+ yaffs_trace(YAFFS_TRACE_OS, "yaffs_prepair_write"); -+ -+ if (!Page_Uptodate(pg)) -+ return yaffs_readpage_nolock(f, pg); -+ return 0; -+} -+#endif -+ -+ -+static ssize_t yaffs_file_write(struct file *f, const char *buf, size_t n, -+ loff_t * pos) -+{ -+ struct yaffs_obj *obj; -+ int n_written; -+ loff_t ipos; -+ struct inode *inode; -+ struct yaffs_dev *dev; -+ -+ obj = yaffs_dentry_to_obj(f->f_dentry); -+ -+ if (!obj) { -+ yaffs_trace(YAFFS_TRACE_OS, -+ "yaffs_file_write: hey obj is null!"); -+ return -EINVAL; -+ } -+ -+ dev = obj->my_dev; -+ -+ yaffs_gross_lock(dev); -+ -+ inode = f->f_dentry->d_inode; -+ -+ if (!S_ISBLK(inode->i_mode) && f->f_flags & O_APPEND) -+ ipos = inode->i_size; -+ else -+ ipos = *pos; -+ -+ yaffs_trace(YAFFS_TRACE_OS, -+ "yaffs_file_write about to write writing %u(%x) bytes to object %d at %lld", -+ (unsigned)n, (unsigned)n, obj->obj_id, ipos); -+ -+ n_written = yaffs_wr_file(obj, buf, ipos, n, 0); -+ -+ yaffs_set_super_dirty(dev); -+ -+ yaffs_trace(YAFFS_TRACE_OS, -+ "yaffs_file_write: %d(%x) bytes written", -+ (unsigned)n, (unsigned)n); -+ -+ if (n_written > 0) { -+ ipos += n_written; -+ *pos = ipos; -+ if (ipos > inode->i_size) { -+ inode->i_size = ipos; -+ inode->i_blocks = (ipos + 511) >> 9; -+ -+ yaffs_trace(YAFFS_TRACE_OS, -+ "yaffs_file_write size updated to %lld bytes, %d blocks", -+ ipos, (int)(inode->i_blocks)); -+ } -+ -+ } -+ yaffs_gross_unlock(dev); -+ return (n_written == 0) && (n > 0) ? -ENOSPC : n_written; -+} -+ -+ -+#if (YAFFS_USE_WRITE_BEGIN_END > 0) -+static int yaffs_write_end(struct file *filp, struct address_space *mapping, -+ loff_t pos, unsigned len, unsigned copied, -+ struct page *pg, void *fsdadata) -+{ -+ int ret = 0; -+ void *addr, *kva; -+ uint32_t offset_into_page = pos & (PAGE_CACHE_SIZE - 1); -+ -+ kva = kmap(pg); -+ addr = kva + offset_into_page; -+ -+ yaffs_trace(YAFFS_TRACE_OS, -+ "yaffs_write_end addr %p pos %lld n_bytes %d", -+ addr, pos, copied); -+ -+ ret = yaffs_file_write(filp, addr, copied, &pos); -+ -+ if (ret != copied) { -+ yaffs_trace(YAFFS_TRACE_OS, -+ "yaffs_write_end not same size ret %d copied %d", -+ ret, copied); -+ SetPageError(pg); -+ } -+ -+ kunmap(pg); -+ -+ yaffs_release_space(filp); -+ unlock_page(pg); -+ page_cache_release(pg); -+ return ret; -+} -+#else -+ -+static int yaffs_commit_write(struct file *f, struct page *pg, unsigned offset, -+ unsigned to) -+{ -+ void *addr, *kva; -+ -+ loff_t pos = (((loff_t) pg->index) << PAGE_CACHE_SHIFT) + offset; -+ int n_bytes = to - offset; -+ int n_written; -+ -+ kva = kmap(pg); -+ addr = kva + offset; -+ -+ yaffs_trace(YAFFS_TRACE_OS, -+ "yaffs_commit_write addr %p pos %lld n_bytes %d", -+ addr, pos, n_bytes); -+ -+ n_written = yaffs_file_write(f, addr, n_bytes, &pos); -+ -+ if (n_written != n_bytes) { -+ yaffs_trace(YAFFS_TRACE_OS, -+ "yaffs_commit_write not same size n_written %d n_bytes %d", -+ n_written, n_bytes); -+ SetPageError(pg); -+ } -+ kunmap(pg); -+ -+ yaffs_trace(YAFFS_TRACE_OS, -+ "yaffs_commit_write returning %d", -+ n_written == n_bytes ? 0 : n_written); -+ -+ return n_written == n_bytes ? 0 : n_written; -+} -+#endif -+ -+static struct address_space_operations yaffs_file_address_operations = { -+ .readpage = yaffs_readpage, -+ .writepage = yaffs_writepage, -+#if (YAFFS_USE_WRITE_BEGIN_END > 0) -+ .write_begin = yaffs_write_begin, -+ .write_end = yaffs_write_end, -+#else -+ .prepare_write = yaffs_prepare_write, -+ .commit_write = yaffs_commit_write, -+#endif -+}; -+ -+ -+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17)) -+static int yaffs_file_flush(struct file *file, fl_owner_t id) -+#else -+static int yaffs_file_flush(struct file *file) -+#endif -+{ -+ struct yaffs_obj *obj = yaffs_dentry_to_obj(file->f_dentry); -+ -+ struct yaffs_dev *dev = obj->my_dev; -+ -+ yaffs_trace(YAFFS_TRACE_OS, -+ "yaffs_file_flush object %d (%s)", -+ obj->obj_id, -+ obj->dirty ? "dirty" : "clean"); -+ -+ yaffs_gross_lock(dev); -+ -+ yaffs_flush_file(obj, 1, 0); -+ -+ yaffs_gross_unlock(dev); -+ -+ return 0; -+} -+ -+ -+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 39)) -+static int yaffs_sync_object(struct file *file, loff_t start, loff_t end, int datasync) -+#elif (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 34)) -+static int yaffs_sync_object(struct file *file, int datasync) -+#else -+static int yaffs_sync_object(struct file *file, struct dentry *dentry, -+ int datasync) -+#endif -+{ -+ struct yaffs_obj *obj; -+ struct yaffs_dev *dev; -+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 34)) -+ struct dentry *dentry = file->f_path.dentry; -+#endif -+ -+ obj = yaffs_dentry_to_obj(dentry); -+ -+ dev = obj->my_dev; -+ -+ yaffs_trace(YAFFS_TRACE_OS | YAFFS_TRACE_SYNC, -+ "yaffs_sync_object"); -+ yaffs_gross_lock(dev); -+ yaffs_flush_file(obj, 1, datasync); -+ yaffs_gross_unlock(dev); -+ return 0; -+} -+ -+ -+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 22)) -+static const struct file_operations yaffs_file_operations = { -+ .read = do_sync_read, -+ .write = do_sync_write, -+ .aio_read = generic_file_aio_read, -+ .aio_write = generic_file_aio_write, -+ .mmap = generic_file_mmap, -+ .flush = yaffs_file_flush, -+ .fsync = yaffs_sync_object, -+ .splice_read = generic_file_splice_read, -+ .splice_write = generic_file_splice_write, -+ .llseek = generic_file_llseek, -+}; -+ -+#elif (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 18)) -+ -+static const struct file_operations yaffs_file_operations = { -+ .read = do_sync_read, -+ .write = do_sync_write, -+ .aio_read = generic_file_aio_read, -+ .aio_write = generic_file_aio_write, -+ .mmap = generic_file_mmap, -+ .flush = yaffs_file_flush, -+ .fsync = yaffs_sync_object, -+ .sendfile = generic_file_sendfile, -+}; -+ -+#else -+ -+static const struct file_operations yaffs_file_operations = { -+ .read = generic_file_read, -+ .write = generic_file_write, -+ .mmap = generic_file_mmap, -+ .flush = yaffs_file_flush, -+ .fsync = yaffs_sync_object, -+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0)) -+ .sendfile = generic_file_sendfile, -+#endif -+}; -+#endif -+ -+ -+ -+ -+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 25)) -+static void zero_user_segment(struct page *page, unsigned start, unsigned end) -+{ -+ void *kaddr = kmap_atomic(page, KM_USER0); -+ memset(kaddr + start, 0, end - start); -+ kunmap_atomic(kaddr, KM_USER0); -+ flush_dcache_page(page); -+} -+#endif -+ -+ -+static int yaffs_vfs_setsize(struct inode *inode, loff_t newsize) -+{ -+#ifdef YAFFS_USE_TRUNCATE_SETSIZE -+ truncate_setsize(inode, newsize); -+ return 0; -+#else -+ truncate_inode_pages(&inode->i_data, newsize); -+ return 0; -+#endif -+ -+} -+ -+ -+static int yaffs_vfs_setattr(struct inode *inode, struct iattr *attr) -+{ -+#ifdef YAFFS_USE_SETATTR_COPY -+ setattr_copy(inode, attr); -+ return 0; -+#else -+ return inode_setattr(inode, attr); -+#endif -+ -+} -+ -+static int yaffs_setattr(struct dentry *dentry, struct iattr *attr) -+{ -+ struct inode *inode = dentry->d_inode; -+ int error = 0; -+ struct yaffs_dev *dev; -+ -+ yaffs_trace(YAFFS_TRACE_OS, -+ "yaffs_setattr of object %d", -+ yaffs_inode_to_obj(inode)->obj_id); -+#if 0 -+ /* Fail if a requested resize >= 2GB */ -+ if (attr->ia_valid & ATTR_SIZE && (attr->ia_size >> 31)) -+ error = -EINVAL; -+#endif -+ -+ if (error == 0) -+ error = inode_change_ok(inode, attr); -+ if (error == 0) { -+ int result; -+ if (!error) { -+ error = yaffs_vfs_setattr(inode, attr); -+ yaffs_trace(YAFFS_TRACE_OS, "inode_setattr called"); -+ if (attr->ia_valid & ATTR_SIZE) { -+ yaffs_vfs_setsize(inode, attr->ia_size); -+ inode->i_blocks = (inode->i_size + 511) >> 9; -+ } -+ } -+ dev = yaffs_inode_to_obj(inode)->my_dev; -+ if (attr->ia_valid & ATTR_SIZE) { -+ yaffs_trace(YAFFS_TRACE_OS, -+ "resize to %d(%x)", -+ (int)(attr->ia_size), -+ (int)(attr->ia_size)); -+ } -+ yaffs_gross_lock(dev); -+ result = yaffs_set_attribs(yaffs_inode_to_obj(inode), attr); -+ if (result == YAFFS_OK) { -+ error = 0; -+ } else { -+ error = -EPERM; -+ } -+ yaffs_gross_unlock(dev); -+ -+ } -+ -+ yaffs_trace(YAFFS_TRACE_OS, "yaffs_setattr done returning %d", error); -+ -+ return error; -+} -+ -+static int yaffs_setxattr(struct dentry *dentry, const char *name, -+ const void *value, size_t size, int flags) -+{ -+ struct inode *inode = dentry->d_inode; -+ int error = 0; -+ struct yaffs_dev *dev; -+ struct yaffs_obj *obj = yaffs_inode_to_obj(inode); -+ -+ yaffs_trace(YAFFS_TRACE_OS, "yaffs_setxattr of object %d", obj->obj_id); -+ -+ if (error == 0) { -+ int result; -+ dev = obj->my_dev; -+ yaffs_gross_lock(dev); -+ result = yaffs_set_xattrib(obj, name, value, size, flags); -+ if (result == YAFFS_OK) -+ error = 0; -+ else if (result < 0) -+ error = result; -+ yaffs_gross_unlock(dev); -+ -+ } -+ yaffs_trace(YAFFS_TRACE_OS, "yaffs_setxattr done returning %d", error); -+ -+ return error; -+} -+ -+static ssize_t yaffs_getxattr(struct dentry * dentry, const char *name, -+ void *buff, size_t size) -+{ -+ struct inode *inode = dentry->d_inode; -+ int error = 0; -+ struct yaffs_dev *dev; -+ struct yaffs_obj *obj = yaffs_inode_to_obj(inode); -+ -+ yaffs_trace(YAFFS_TRACE_OS, -+ "yaffs_getxattr \"%s\" from object %d", -+ name, obj->obj_id); -+ -+ if (error == 0) { -+ dev = obj->my_dev; -+ yaffs_gross_lock(dev); -+ error = yaffs_get_xattrib(obj, name, buff, size); -+ yaffs_gross_unlock(dev); -+ -+ } -+ yaffs_trace(YAFFS_TRACE_OS, "yaffs_getxattr done returning %d", error); -+ -+ return error; -+} -+ -+static int yaffs_removexattr(struct dentry *dentry, const char *name) -+{ -+ struct inode *inode = dentry->d_inode; -+ int error = 0; -+ struct yaffs_dev *dev; -+ struct yaffs_obj *obj = yaffs_inode_to_obj(inode); -+ -+ yaffs_trace(YAFFS_TRACE_OS, -+ "yaffs_removexattr of object %d", obj->obj_id); -+ -+ if (error == 0) { -+ int result; -+ dev = obj->my_dev; -+ yaffs_gross_lock(dev); -+ result = yaffs_remove_xattrib(obj, name); -+ if (result == YAFFS_OK) -+ error = 0; -+ else if (result < 0) -+ error = result; -+ yaffs_gross_unlock(dev); -+ -+ } -+ yaffs_trace(YAFFS_TRACE_OS, -+ "yaffs_removexattr done returning %d", error); -+ -+ return error; -+} -+ -+static ssize_t yaffs_listxattr(struct dentry * dentry, char *buff, size_t size) -+{ -+ struct inode *inode = dentry->d_inode; -+ int error = 0; -+ struct yaffs_dev *dev; -+ struct yaffs_obj *obj = yaffs_inode_to_obj(inode); -+ -+ yaffs_trace(YAFFS_TRACE_OS, -+ "yaffs_listxattr of object %d", obj->obj_id); -+ -+ if (error == 0) { -+ dev = obj->my_dev; -+ yaffs_gross_lock(dev); -+ error = yaffs_list_xattrib(obj, buff, size); -+ yaffs_gross_unlock(dev); -+ -+ } -+ yaffs_trace(YAFFS_TRACE_OS, -+ "yaffs_listxattr done returning %d", error); -+ -+ return error; -+} -+ -+ -+static const struct inode_operations yaffs_file_inode_operations = { -+ .setattr = yaffs_setattr, -+ .setxattr = yaffs_setxattr, -+ .getxattr = yaffs_getxattr, -+ .listxattr = yaffs_listxattr, -+ .removexattr = yaffs_removexattr, -+}; -+ -+ -+static int yaffs_readlink(struct dentry *dentry, char __user * buffer, -+ int buflen) -+{ -+ unsigned char *alias; -+ int ret; -+ -+ struct yaffs_dev *dev = yaffs_dentry_to_obj(dentry)->my_dev; -+ -+ yaffs_gross_lock(dev); -+ -+ alias = yaffs_get_symlink_alias(yaffs_dentry_to_obj(dentry)); -+ -+ yaffs_gross_unlock(dev); -+ -+ if (!alias) -+ return -ENOMEM; -+ -+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 15, 0)) -+ ret = readlink_copy(buffer, buflen, alias); -+#else -+ ret = vfs_readlink(dentry, buffer, buflen, alias); -+#endif -+ kfree(alias); -+ return ret; -+} -+ -+#if (YAFFS_NEW_FOLLOW_LINK == 1) -+static void *yaffs_follow_link(struct dentry *dentry, struct nameidata *nd) -+{ -+ void *ret; -+#else -+static int yaffs_follow_link(struct dentry *dentry, struct nameidata *nd) -+{ -+ int ret -+#endif -+ unsigned char *alias; -+ int ret_int = 0; -+ struct yaffs_dev *dev = yaffs_dentry_to_obj(dentry)->my_dev; -+ -+ yaffs_gross_lock(dev); -+ -+ alias = yaffs_get_symlink_alias(yaffs_dentry_to_obj(dentry)); -+ yaffs_gross_unlock(dev); -+ -+ if (!alias) { -+ ret_int = -ENOMEM; -+ goto out; -+ } -+#if (YAFFS_NEW_FOLLOW_LINK == 1) -+ nd_set_link(nd, alias); -+ ret = alias; -+out: -+ if (ret_int) -+ ret = ERR_PTR(ret_int); -+ return ret; -+#else -+ ret = vfs_follow_link(nd, alias); -+ kfree(alias); -+out: -+ if (ret_int) -+ ret = ret_int; -+ return ret; -+#endif -+} -+ -+ -+#ifdef YAFFS_HAS_PUT_INODE -+ -+/* For now put inode is just for debugging -+ * Put inode is called when the inode **structure** is put. -+ */ -+static void yaffs_put_inode(struct inode *inode) -+{ -+ yaffs_trace(YAFFS_TRACE_OS, -+ "yaffs_put_inode: ino %d, count %d"), -+ (int)inode->i_ino, atomic_read(&inode->i_count); -+ -+} -+#endif -+ -+#if (YAFFS_NEW_FOLLOW_LINK == 1) -+void yaffs_put_link(struct dentry *dentry, struct nameidata *nd, void *alias) -+{ -+ kfree(alias); -+} -+#endif -+ -+static const struct inode_operations yaffs_symlink_inode_operations = { -+ .readlink = yaffs_readlink, -+ .follow_link = yaffs_follow_link, -+#if (YAFFS_NEW_FOLLOW_LINK == 1) -+ .put_link = yaffs_put_link, -+#endif -+ .setattr = yaffs_setattr, -+ .setxattr = yaffs_setxattr, -+ .getxattr = yaffs_getxattr, -+ .listxattr = yaffs_listxattr, -+ .removexattr = yaffs_removexattr, -+}; -+ -+#ifdef YAFFS_USE_OWN_IGET -+ -+static struct inode *yaffs_iget(struct super_block *sb, unsigned long ino) -+{ -+ struct inode *inode; -+ struct yaffs_obj *obj; -+ struct yaffs_dev *dev = yaffs_super_to_dev(sb); -+ -+ yaffs_trace(YAFFS_TRACE_OS, "yaffs_iget for %lu", ino); -+ -+ inode = iget_locked(sb, ino); -+ if (!inode) -+ return ERR_PTR(-ENOMEM); -+ if (!(inode->i_state & I_NEW)) -+ return inode; -+ -+ /* NB This is called as a side effect of other functions, but -+ * we had to release the lock to prevent deadlocks, so -+ * need to lock again. -+ */ -+ -+ yaffs_gross_lock(dev); -+ -+ obj = yaffs_find_by_number(dev, inode->i_ino); -+ -+ yaffs_fill_inode_from_obj(inode, obj); -+ -+ yaffs_gross_unlock(dev); -+ -+ unlock_new_inode(inode); -+ return inode; -+} -+ -+#else -+ -+static void yaffs_read_inode(struct inode *inode) -+{ -+ /* NB This is called as a side effect of other functions, but -+ * we had to release the lock to prevent deadlocks, so -+ * need to lock again. -+ */ -+ -+ struct yaffs_obj *obj; -+ struct yaffs_dev *dev = yaffs_super_to_dev(inode->i_sb); -+ -+ yaffs_trace(YAFFS_TRACE_OS, -+ "yaffs_read_inode for %d", (int)inode->i_ino); -+ -+ if (current != yaffs_dev_to_lc(dev)->readdir_process) -+ yaffs_gross_lock(dev); -+ -+ obj = yaffs_find_by_number(dev, inode->i_ino); -+ -+ yaffs_fill_inode_from_obj(inode, obj); -+ -+ if (current != yaffs_dev_to_lc(dev)->readdir_process) -+ yaffs_gross_unlock(dev); -+} -+ -+#endif -+ -+ -+ -+struct inode *yaffs_get_inode(struct super_block *sb, int mode, int dev, -+ struct yaffs_obj *obj) -+{ -+ struct inode *inode; -+ -+ if (!sb) { -+ yaffs_trace(YAFFS_TRACE_OS, -+ "yaffs_get_inode for NULL super_block!!"); -+ return NULL; -+ -+ } -+ -+ if (!obj) { -+ yaffs_trace(YAFFS_TRACE_OS, -+ "yaffs_get_inode for NULL object!!"); -+ return NULL; -+ -+ } -+ -+ yaffs_trace(YAFFS_TRACE_OS, -+ "yaffs_get_inode for object %d", obj->obj_id); -+ -+ inode = Y_IGET(sb, obj->obj_id); -+ if (IS_ERR(inode)) -+ return NULL; -+ -+ /* NB Side effect: iget calls back to yaffs_read_inode(). */ -+ /* iget also increments the inode's i_count */ -+ /* NB You can't be holding gross_lock or deadlock will happen! */ -+ -+ return inode; -+} -+ -+ -+ -+#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 29) -+#define YCRED(x) x -+#else -+#define YCRED(x) (x->cred) -+#endif -+ -+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 4, 0)) -+static int yaffs_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, -+ dev_t rdev) -+#elif (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0)) -+static int yaffs_mknod(struct inode *dir, struct dentry *dentry, int mode, -+ dev_t rdev) -+#else -+static int yaffs_mknod(struct inode *dir, struct dentry *dentry, int mode, -+ int rdev) -+#endif -+{ -+ struct inode *inode; -+ -+ struct yaffs_obj *obj = NULL; -+ struct yaffs_dev *dev; -+ -+ struct yaffs_obj *parent = yaffs_inode_to_obj(dir); -+ -+ int error = -ENOSPC; -+ uid_t uid = YCRED_FSUID(); -+ gid_t gid = -+ (dir->i_mode & S_ISGID) ? i_gid_read(dir) : YCRED_FSGID(); -+ -+ if ((dir->i_mode & S_ISGID) && S_ISDIR(mode)) -+ mode |= S_ISGID; -+ -+ if (parent) { -+ yaffs_trace(YAFFS_TRACE_OS, -+ "yaffs_mknod: parent object %d type %d", -+ parent->obj_id, parent->variant_type); -+ } else { -+ yaffs_trace(YAFFS_TRACE_OS, -+ "yaffs_mknod: could not get parent object"); -+ return -EPERM; -+ } -+ -+ yaffs_trace(YAFFS_TRACE_OS, -+ "yaffs_mknod: making oject for %s, mode %x dev %x", -+ dentry->d_name.name, mode, rdev); -+ -+ dev = parent->my_dev; -+ -+ yaffs_gross_lock(dev); -+ -+ switch (mode & S_IFMT) { -+ default: -+ /* Special (socket, fifo, device...) */ -+ yaffs_trace(YAFFS_TRACE_OS, "yaffs_mknod: making special"); -+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0)) -+ obj = -+ yaffs_create_special(parent, dentry->d_name.name, mode, uid, -+ gid, old_encode_dev(rdev)); -+#else -+ obj = -+ yaffs_create_special(parent, dentry->d_name.name, mode, uid, -+ gid, rdev); -+#endif -+ break; -+ case S_IFREG: /* file */ -+ yaffs_trace(YAFFS_TRACE_OS, "yaffs_mknod: making file"); -+ obj = yaffs_create_file(parent, dentry->d_name.name, mode, uid, -+ gid); -+ break; -+ case S_IFDIR: /* directory */ -+ yaffs_trace(YAFFS_TRACE_OS, "yaffs_mknod: making directory"); -+ obj = yaffs_create_dir(parent, dentry->d_name.name, mode, -+ uid, gid); -+ break; -+ case S_IFLNK: /* symlink */ -+ yaffs_trace(YAFFS_TRACE_OS, "yaffs_mknod: making symlink"); -+ obj = NULL; /* Do we ever get here? */ -+ break; -+ } -+ -+ /* Can not call yaffs_get_inode() with gross lock held */ -+ yaffs_gross_unlock(dev); -+ -+ if (obj) { -+ inode = yaffs_get_inode(dir->i_sb, mode, rdev, obj); -+ d_instantiate(dentry, inode); -+ update_dir_time(dir); -+ yaffs_trace(YAFFS_TRACE_OS, -+ "yaffs_mknod created object %d count = %d", -+ obj->obj_id, atomic_read(&inode->i_count)); -+ error = 0; -+ yaffs_fill_inode_from_obj(dir, parent); -+ } else { -+ yaffs_trace(YAFFS_TRACE_OS, "yaffs_mknod failed making object"); -+ error = -ENOMEM; -+ } -+ -+ return error; -+} -+ -+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 4, 0)) -+static int yaffs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode) -+#else -+static int yaffs_mkdir(struct inode *dir, struct dentry *dentry, int mode) -+#endif -+{ -+ int ret_val; -+ yaffs_trace(YAFFS_TRACE_OS, "yaffs_mkdir"); -+ ret_val = yaffs_mknod(dir, dentry, mode | S_IFDIR, 0); -+ return ret_val; -+} -+ -+ -+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 6, 0)) -+static int yaffs_create(struct inode *dir, struct dentry *dentry, umode_t mode, -+ bool dummy) -+#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 4, 0)) -+static int yaffs_create(struct inode *dir, struct dentry *dentry, umode_t mode, -+ struct nameidata *n) -+#elif (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0)) -+static int yaffs_create(struct inode *dir, struct dentry *dentry, int mode, -+ struct nameidata *n) -+#else -+static int yaffs_create(struct inode *dir, struct dentry *dentry, int mode) -+#endif -+{ -+ yaffs_trace(YAFFS_TRACE_OS, "yaffs_create"); -+ return yaffs_mknod(dir, dentry, mode | S_IFREG, 0); -+} -+ -+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 6, 0)) -+static struct dentry *yaffs_lookup(struct inode *dir, struct dentry *dentry, -+ unsigned int dummy) -+#elif (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0)) -+static struct dentry *yaffs_lookup(struct inode *dir, struct dentry *dentry, -+ struct nameidata *n) -+#else -+static struct dentry *yaffs_lookup(struct inode *dir, struct dentry *dentry) -+#endif -+{ -+ struct yaffs_obj *obj; -+ struct inode *inode = NULL; /* NCB 2.5/2.6 needs NULL here */ -+ -+ struct yaffs_dev *dev = yaffs_inode_to_obj(dir)->my_dev; -+ -+ if (current != yaffs_dev_to_lc(dev)->readdir_process) -+ yaffs_gross_lock(dev); -+ -+ yaffs_trace(YAFFS_TRACE_OS, "yaffs_lookup for %d:%s", -+ yaffs_inode_to_obj(dir)->obj_id, dentry->d_name.name); -+ -+ obj = yaffs_find_by_name(yaffs_inode_to_obj(dir), dentry->d_name.name); -+ -+ obj = yaffs_get_equivalent_obj(obj); /* in case it was a hardlink */ -+ -+ /* Can't hold gross lock when calling yaffs_get_inode() */ -+ if (current != yaffs_dev_to_lc(dev)->readdir_process) -+ yaffs_gross_unlock(dev); -+ -+ if (obj) { -+ yaffs_trace(YAFFS_TRACE_OS, -+ "yaffs_lookup found %d", obj->obj_id); -+ -+ inode = yaffs_get_inode(dir->i_sb, obj->yst_mode, 0, obj); -+ } else { -+ yaffs_trace(YAFFS_TRACE_OS, "yaffs_lookup not found"); -+ -+ } -+ -+/* added NCB for 2.5/6 compatability - forces add even if inode is -+ * NULL which creates dentry hash */ -+ d_add(dentry, inode); -+ -+ return NULL; -+} -+ -+/* -+ * Create a link... -+ */ -+static int yaffs_link(struct dentry *old_dentry, struct inode *dir, -+ struct dentry *dentry) -+{ -+ struct inode *inode = old_dentry->d_inode; -+ struct yaffs_obj *obj = NULL; -+ struct yaffs_obj *link = NULL; -+ struct yaffs_dev *dev; -+ -+ yaffs_trace(YAFFS_TRACE_OS, "yaffs_link"); -+ -+ obj = yaffs_inode_to_obj(inode); -+ dev = obj->my_dev; -+ -+ yaffs_gross_lock(dev); -+ -+ if (!S_ISDIR(inode->i_mode)) /* Don't link directories */ -+ link = -+ yaffs_link_obj(yaffs_inode_to_obj(dir), dentry->d_name.name, -+ obj); -+ -+ if (link) { -+ set_nlink(old_dentry->d_inode, yaffs_get_obj_link_count(obj)); -+ d_instantiate(dentry, old_dentry->d_inode); -+ atomic_inc(&old_dentry->d_inode->i_count); -+ yaffs_trace(YAFFS_TRACE_OS, -+ "yaffs_link link count %d i_count %d", -+ old_dentry->d_inode->i_nlink, -+ atomic_read(&old_dentry->d_inode->i_count)); -+ } -+ -+ yaffs_gross_unlock(dev); -+ -+ if (link) { -+ update_dir_time(dir); -+ return 0; -+ } -+ -+ return -EPERM; -+} -+ -+static int yaffs_symlink(struct inode *dir, struct dentry *dentry, -+ const char *symname) -+{ -+ struct yaffs_obj *obj; -+ struct yaffs_dev *dev; -+ uid_t uid = YCRED_FSUID(); -+ gid_t gid = -+ (dir->i_mode & S_ISGID) ? i_gid_read(dir) : YCRED_FSGID(); -+ -+ yaffs_trace(YAFFS_TRACE_OS, "yaffs_symlink"); -+ -+ if (strnlen(dentry->d_name.name, YAFFS_MAX_NAME_LENGTH + 1) > -+ YAFFS_MAX_NAME_LENGTH) -+ return -ENAMETOOLONG; -+ -+ if (strnlen(symname, YAFFS_MAX_ALIAS_LENGTH + 1) > -+ YAFFS_MAX_ALIAS_LENGTH) -+ return -ENAMETOOLONG; -+ -+ dev = yaffs_inode_to_obj(dir)->my_dev; -+ yaffs_gross_lock(dev); -+ obj = yaffs_create_symlink(yaffs_inode_to_obj(dir), dentry->d_name.name, -+ S_IFLNK | S_IRWXUGO, uid, gid, symname); -+ yaffs_gross_unlock(dev); -+ -+ if (obj) { -+ struct inode *inode; -+ -+ inode = yaffs_get_inode(dir->i_sb, obj->yst_mode, 0, obj); -+ d_instantiate(dentry, inode); -+ update_dir_time(dir); -+ yaffs_trace(YAFFS_TRACE_OS, "symlink created OK"); -+ return 0; -+ } else { -+ yaffs_trace(YAFFS_TRACE_OS, "symlink not created"); -+ } -+ -+ return -ENOMEM; -+} -+ -+/* -+ * The VFS layer already does all the dentry stuff for rename. -+ * -+ * NB: POSIX says you can rename an object over an old object of the same name -+ */ -+static int yaffs_rename(struct inode *old_dir, struct dentry *old_dentry, -+ struct inode *new_dir, struct dentry *new_dentry) -+{ -+ struct yaffs_dev *dev; -+ int ret_val = YAFFS_FAIL; -+ struct yaffs_obj *target; -+ -+ yaffs_trace(YAFFS_TRACE_OS, "yaffs_rename"); -+ dev = yaffs_inode_to_obj(old_dir)->my_dev; -+ -+ yaffs_gross_lock(dev); -+ -+ /* Check if the target is an existing directory that is not empty. */ -+ target = yaffs_find_by_name(yaffs_inode_to_obj(new_dir), -+ new_dentry->d_name.name); -+ -+ if (target && target->variant_type == YAFFS_OBJECT_TYPE_DIRECTORY && -+ !list_empty(&target->variant.dir_variant.children)) { -+ -+ yaffs_trace(YAFFS_TRACE_OS, "target is non-empty dir"); -+ -+ ret_val = YAFFS_FAIL; -+ } else { -+ /* Now does unlinking internally using shadowing mechanism */ -+ yaffs_trace(YAFFS_TRACE_OS, "calling yaffs_rename_obj"); -+ -+ ret_val = yaffs_rename_obj(yaffs_inode_to_obj(old_dir), -+ old_dentry->d_name.name, -+ yaffs_inode_to_obj(new_dir), -+ new_dentry->d_name.name); -+ } -+ yaffs_gross_unlock(dev); -+ -+ if (ret_val == YAFFS_OK) { -+ if (target) -+ inode_dec_link_count(new_dentry->d_inode); -+ -+ update_dir_time(old_dir); -+ if (old_dir != new_dir) -+ update_dir_time(new_dir); -+ return 0; -+ } else { -+ return -ENOTEMPTY; -+ } -+} -+ -+ -+ -+ -+static int yaffs_unlink(struct inode *dir, struct dentry *dentry) -+{ -+ int ret_val; -+ -+ struct yaffs_dev *dev; -+ struct yaffs_obj *obj; -+ -+ yaffs_trace(YAFFS_TRACE_OS, "yaffs_unlink %d:%s", -+ (int)(dir->i_ino), dentry->d_name.name); -+ obj = yaffs_inode_to_obj(dir); -+ dev = obj->my_dev; -+ -+ yaffs_gross_lock(dev); -+ -+ ret_val = yaffs_unlinker(obj, dentry->d_name.name); -+ -+ if (ret_val == YAFFS_OK) { -+ inode_dec_link_count(dentry->d_inode); -+ dir->i_version++; -+ yaffs_gross_unlock(dev); -+ update_dir_time(dir); -+ return 0; -+ } -+ yaffs_gross_unlock(dev); -+ return -ENOTEMPTY; -+} -+ -+ -+ -+static const struct inode_operations yaffs_dir_inode_operations = { -+ .create = yaffs_create, -+ .lookup = yaffs_lookup, -+ .link = yaffs_link, -+ .unlink = yaffs_unlink, -+ .symlink = yaffs_symlink, -+ .mkdir = yaffs_mkdir, -+ .rmdir = yaffs_unlink, -+ .mknod = yaffs_mknod, -+ .rename = yaffs_rename, -+ .setattr = yaffs_setattr, -+ .setxattr = yaffs_setxattr, -+ .getxattr = yaffs_getxattr, -+ .listxattr = yaffs_listxattr, -+ .removexattr = yaffs_removexattr, -+}; -+ -+/*-----------------------------------------------------------------*/ -+/* Directory search context allows us to unlock access to yaffs during -+ * filldir without causing problems with the directory being modified. -+ * This is similar to the tried and tested mechanism used in yaffs direct. -+ * -+ * A search context iterates along a doubly linked list of siblings in the -+ * directory. If the iterating object is deleted then this would corrupt -+ * the list iteration, likely causing a crash. The search context avoids -+ * this by using the remove_obj_fn to move the search context to the -+ * next object before the object is deleted. -+ * -+ * Many readdirs (and thus seach conexts) may be alive simulateously so -+ * each struct yaffs_dev has a list of these. -+ * -+ * A seach context lives for the duration of a readdir. -+ * -+ * All these functions must be called while yaffs is locked. -+ */ -+ -+struct yaffs_search_context { -+ struct yaffs_dev *dev; -+ struct yaffs_obj *dir_obj; -+ struct yaffs_obj *next_return; -+ struct list_head others; -+}; -+ -+/* -+ * yaffs_new_search() creates a new search context, initialises it and -+ * adds it to the device's search context list. -+ * -+ * Called at start of readdir. -+ */ -+static struct yaffs_search_context *yaffs_new_search(struct yaffs_obj *dir) -+{ -+ struct yaffs_dev *dev = dir->my_dev; -+ struct yaffs_search_context *sc = -+ kmalloc(sizeof(struct yaffs_search_context), GFP_NOFS); -+ if (sc) { -+ sc->dir_obj = dir; -+ sc->dev = dev; -+ if (list_empty(&sc->dir_obj->variant.dir_variant.children)) -+ sc->next_return = NULL; -+ else -+ sc->next_return = -+ list_entry(dir->variant.dir_variant.children.next, -+ struct yaffs_obj, siblings); -+ INIT_LIST_HEAD(&sc->others); -+ list_add(&sc->others, &(yaffs_dev_to_lc(dev)->search_contexts)); -+ } -+ return sc; -+} -+ -+/* -+ * yaffs_search_end() disposes of a search context and cleans up. -+ */ -+static void yaffs_search_end(struct yaffs_search_context *sc) -+{ -+ if (sc) { -+ list_del(&sc->others); -+ kfree(sc); -+ } -+} -+ -+/* -+ * yaffs_search_advance() moves a search context to the next object. -+ * Called when the search iterates or when an object removal causes -+ * the search context to be moved to the next object. -+ */ -+static void yaffs_search_advance(struct yaffs_search_context *sc) -+{ -+ if (!sc) -+ return; -+ -+ if (sc->next_return == NULL || -+ list_empty(&sc->dir_obj->variant.dir_variant.children)) -+ sc->next_return = NULL; -+ else { -+ struct list_head *next = sc->next_return->siblings.next; -+ -+ if (next == &sc->dir_obj->variant.dir_variant.children) -+ sc->next_return = NULL; /* end of list */ -+ else -+ sc->next_return = -+ list_entry(next, struct yaffs_obj, siblings); -+ } -+} -+ -+/* -+ * yaffs_remove_obj_callback() is called when an object is unlinked. -+ * We check open search contexts and advance any which are currently -+ * on the object being iterated. -+ */ -+static void yaffs_remove_obj_callback(struct yaffs_obj *obj) -+{ -+ -+ struct list_head *i; -+ struct yaffs_search_context *sc; -+ struct list_head *search_contexts = -+ &(yaffs_dev_to_lc(obj->my_dev)->search_contexts); -+ -+ /* Iterate through the directory search contexts. -+ * If any are currently on the object being removed, then advance -+ * the search context to the next object to prevent a hanging pointer. -+ */ -+ list_for_each(i, search_contexts) { -+ sc = list_entry(i, struct yaffs_search_context, others); -+ if (sc->next_return == obj) -+ yaffs_search_advance(sc); -+ } -+ -+} -+ -+ -+/*-----------------------------------------------------------------*/ -+ -+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 12, 0)) -+static int yaffs_readdir(struct file *file, struct dir_context *ctx) -+{ -+ struct yaffs_obj *obj; -+ struct yaffs_dev *dev; -+ struct yaffs_search_context *sc; -+ struct inode *inode = file->f_dentry->d_inode; -+ unsigned long offset, curoffs; -+ struct yaffs_obj *l; -+ int ret_val = 0; -+ -+ char name[YAFFS_MAX_NAME_LENGTH + 1]; -+ -+ obj = yaffs_dentry_to_obj(file->f_dentry); -+ dev = obj->my_dev; -+ -+ yaffs_gross_lock(dev); -+ -+ yaffs_dev_to_lc(dev)->readdir_process = current; -+ -+ offset = ctx->pos; -+ -+ sc = yaffs_new_search(obj); -+ if (!sc) { -+ ret_val = -ENOMEM; -+ goto out; -+ } -+ -+ yaffs_trace(YAFFS_TRACE_OS, -+ "yaffs_readdir: starting at %d", (int)offset); -+ -+ if (offset == 0) { -+ yaffs_trace(YAFFS_TRACE_OS, -+ "yaffs_readdir: entry . ino %d", -+ (int)inode->i_ino); -+ yaffs_gross_unlock(dev); -+ if (!dir_emit_dot(file, ctx)) { -+ yaffs_gross_lock(dev); -+ goto out; -+ } -+ yaffs_gross_lock(dev); -+ offset++; -+ ctx->pos++; -+ } -+ if (offset == 1) { -+ yaffs_trace(YAFFS_TRACE_OS, -+ "yaffs_readdir: entry .. ino %d", -+ (int)file->f_dentry->d_parent->d_inode->i_ino); -+ yaffs_gross_unlock(dev); -+ if (!dir_emit_dotdot(file, ctx)) { -+ yaffs_gross_lock(dev); -+ goto out; -+ } -+ yaffs_gross_lock(dev); -+ offset++; -+ ctx->pos++; -+ } -+ -+ curoffs = 1; -+ -+ /* If the directory has changed since the open or last call to -+ readdir, rewind to after the 2 canned entries. */ -+ if (file->f_version != inode->i_version) { -+ offset = 2; -+ ctx->pos = offset; -+ file->f_version = inode->i_version; -+ } -+ -+ while (sc->next_return) { -+ curoffs++; -+ l = sc->next_return; -+ if (curoffs >= offset) { -+ int this_inode = yaffs_get_obj_inode(l); -+ int this_type = yaffs_get_obj_type(l); -+ -+ yaffs_get_obj_name(l, name, YAFFS_MAX_NAME_LENGTH + 1); -+ yaffs_trace(YAFFS_TRACE_OS, -+ "yaffs_readdir: %s inode %d", -+ name, yaffs_get_obj_inode(l)); -+ -+ yaffs_gross_unlock(dev); -+ -+ if (!dir_emit(ctx, name, strlen(name), -+ this_inode, this_type) < 0) { -+ yaffs_gross_lock(dev); -+ goto out; -+ } -+ -+ yaffs_gross_lock(dev); -+ -+ offset++; -+ ctx->pos++; -+ } -+ yaffs_search_advance(sc); -+ } -+ -+out: -+ yaffs_search_end(sc); -+ yaffs_dev_to_lc(dev)->readdir_process = NULL; -+ yaffs_gross_unlock(dev); -+ -+ return ret_val; -+} -+#else -+static int yaffs_readdir(struct file *f, void *dirent, filldir_t filldir) -+{ -+ struct yaffs_obj *obj; -+ struct yaffs_dev *dev; -+ struct yaffs_search_context *sc; -+ struct inode *inode = f->f_dentry->d_inode; -+ unsigned long offset, curoffs; -+ struct yaffs_obj *l; -+ int ret_val = 0; -+ -+ char name[YAFFS_MAX_NAME_LENGTH + 1]; -+ -+ obj = yaffs_dentry_to_obj(f->f_dentry); -+ dev = obj->my_dev; -+ -+ yaffs_gross_lock(dev); -+ -+ yaffs_dev_to_lc(dev)->readdir_process = current; -+ -+ offset = f->f_pos; -+ -+ sc = yaffs_new_search(obj); -+ if (!sc) { -+ ret_val = -ENOMEM; -+ goto out; -+ } -+ -+ yaffs_trace(YAFFS_TRACE_OS, -+ "yaffs_readdir: starting at %d", (int)offset); -+ -+ if (offset == 0) { -+ yaffs_trace(YAFFS_TRACE_OS, -+ "yaffs_readdir: entry . ino %d", -+ (int)inode->i_ino); -+ yaffs_gross_unlock(dev); -+ if (filldir(dirent, ".", 1, offset, inode->i_ino, DT_DIR) < 0) { -+ yaffs_gross_lock(dev); -+ goto out; -+ } -+ yaffs_gross_lock(dev); -+ offset++; -+ f->f_pos++; -+ } -+ if (offset == 1) { -+ yaffs_trace(YAFFS_TRACE_OS, -+ "yaffs_readdir: entry .. ino %d", -+ (int)f->f_dentry->d_parent->d_inode->i_ino); -+ yaffs_gross_unlock(dev); -+ if (filldir(dirent, "..", 2, offset, -+ f->f_dentry->d_parent->d_inode->i_ino, -+ DT_DIR) < 0) { -+ yaffs_gross_lock(dev); -+ goto out; -+ } -+ yaffs_gross_lock(dev); -+ offset++; -+ f->f_pos++; -+ } -+ -+ curoffs = 1; -+ -+ /* If the directory has changed since the open or last call to -+ readdir, rewind to after the 2 canned entries. */ -+ if (f->f_version != inode->i_version) { -+ offset = 2; -+ f->f_pos = offset; -+ f->f_version = inode->i_version; -+ } -+ -+ while (sc->next_return) { -+ curoffs++; -+ l = sc->next_return; -+ if (curoffs >= offset) { -+ int this_inode = yaffs_get_obj_inode(l); -+ int this_type = yaffs_get_obj_type(l); -+ -+ yaffs_get_obj_name(l, name, YAFFS_MAX_NAME_LENGTH + 1); -+ yaffs_trace(YAFFS_TRACE_OS, -+ "yaffs_readdir: %s inode %d", -+ name, yaffs_get_obj_inode(l)); -+ -+ yaffs_gross_unlock(dev); -+ -+ if (filldir(dirent, -+ name, -+ strlen(name), -+ offset, this_inode, this_type) < 0) { -+ yaffs_gross_lock(dev); -+ goto out; -+ } -+ -+ yaffs_gross_lock(dev); -+ -+ offset++; -+ f->f_pos++; -+ } -+ yaffs_search_advance(sc); -+ } -+ -+out: -+ yaffs_search_end(sc); -+ yaffs_dev_to_lc(dev)->readdir_process = NULL; -+ yaffs_gross_unlock(dev); -+ -+ return ret_val; -+} -+#endif -+ -+static const struct file_operations yaffs_dir_operations = { -+ .read = generic_read_dir, -+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 12, 0)) -+ .iterate = yaffs_readdir, -+#else -+ .readdir = yaffs_readdir, -+#endif -+ .fsync = yaffs_sync_object, -+ .llseek = generic_file_llseek, -+}; -+ -+static void yaffs_fill_inode_from_obj(struct inode *inode, -+ struct yaffs_obj *obj) -+{ -+ if (inode && obj) { -+ -+ /* Check mode against the variant type and attempt to repair if broken. */ -+ u32 mode = obj->yst_mode; -+ switch (obj->variant_type) { -+ case YAFFS_OBJECT_TYPE_FILE: -+ if (!S_ISREG(mode)) { -+ obj->yst_mode &= ~S_IFMT; -+ obj->yst_mode |= S_IFREG; -+ } -+ -+ break; -+ case YAFFS_OBJECT_TYPE_SYMLINK: -+ if (!S_ISLNK(mode)) { -+ obj->yst_mode &= ~S_IFMT; -+ obj->yst_mode |= S_IFLNK; -+ } -+ -+ break; -+ case YAFFS_OBJECT_TYPE_DIRECTORY: -+ if (!S_ISDIR(mode)) { -+ obj->yst_mode &= ~S_IFMT; -+ obj->yst_mode |= S_IFDIR; -+ } -+ -+ break; -+ case YAFFS_OBJECT_TYPE_UNKNOWN: -+ case YAFFS_OBJECT_TYPE_HARDLINK: -+ case YAFFS_OBJECT_TYPE_SPECIAL: -+ default: -+ /* TODO? */ -+ break; -+ } -+ -+ inode->i_flags |= S_NOATIME; -+ -+ inode->i_ino = obj->obj_id; -+ inode->i_mode = obj->yst_mode; -+ i_uid_write(inode, obj->yst_uid); -+ i_gid_write(inode, obj->yst_gid); -+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 19)) -+ inode->i_blksize = inode->i_sb->s_blocksize; -+#endif -+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0)) -+ -+ inode->i_rdev = old_decode_dev(obj->yst_rdev); -+ inode->i_atime.tv_sec = (time_t) (obj->yst_atime); -+ inode->i_atime.tv_nsec = 0; -+ inode->i_mtime.tv_sec = (time_t) obj->yst_mtime; -+ inode->i_mtime.tv_nsec = 0; -+ inode->i_ctime.tv_sec = (time_t) obj->yst_ctime; -+ inode->i_ctime.tv_nsec = 0; -+#else -+ inode->i_rdev = obj->yst_rdev; -+ inode->i_atime = obj->yst_atime; -+ inode->i_mtime = obj->yst_mtime; -+ inode->i_ctime = obj->yst_ctime; -+#endif -+ inode->i_size = yaffs_get_obj_length(obj); -+ inode->i_blocks = (inode->i_size + 511) >> 9; -+ -+ set_nlink(inode, yaffs_get_obj_link_count(obj)); -+ -+ yaffs_trace(YAFFS_TRACE_OS, -+ "yaffs_fill_inode mode %x uid %d gid %d size %lld count %d", -+ inode->i_mode, i_uid_read(inode), i_gid_read(inode), -+ inode->i_size, atomic_read(&inode->i_count)); -+ -+ switch (obj->yst_mode & S_IFMT) { -+ default: /* fifo, device or socket */ -+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0)) -+ init_special_inode(inode, obj->yst_mode, -+ old_decode_dev(obj->yst_rdev)); -+#else -+ init_special_inode(inode, obj->yst_mode, -+ (dev_t) (obj->yst_rdev)); -+#endif -+ break; -+ case S_IFREG: /* file */ -+ inode->i_op = &yaffs_file_inode_operations; -+ inode->i_fop = &yaffs_file_operations; -+ inode->i_mapping->a_ops = -+ &yaffs_file_address_operations; -+ break; -+ case S_IFDIR: /* directory */ -+ inode->i_op = &yaffs_dir_inode_operations; -+ inode->i_fop = &yaffs_dir_operations; -+ break; -+ case S_IFLNK: /* symlink */ -+ inode->i_op = &yaffs_symlink_inode_operations; -+ break; -+ } -+ -+ yaffs_inode_to_obj_lv(inode) = obj; -+ -+ obj->my_inode = inode; -+ -+ } else { -+ yaffs_trace(YAFFS_TRACE_OS, -+ "yaffs_fill_inode invalid parameters"); -+ } -+ -+} -+ -+ -+ -+/* -+ * yaffs background thread functions . -+ * yaffs_bg_thread_fn() the thread function -+ * yaffs_bg_start() launches the background thread. -+ * yaffs_bg_stop() cleans up the background thread. -+ * -+ * NB: -+ * The thread should only run after the yaffs is initialised -+ * The thread should be stopped before yaffs is unmounted. -+ * The thread should not do any writing while the fs is in read only. -+ */ -+ -+static unsigned yaffs_bg_gc_urgency(struct yaffs_dev *dev) -+{ -+ unsigned erased_chunks = -+ dev->n_erased_blocks * dev->param.chunks_per_block; -+ struct yaffs_linux_context *context = yaffs_dev_to_lc(dev); -+ unsigned scattered = 0; /* Free chunks not in an erased block */ -+ -+ if (erased_chunks < dev->n_free_chunks) -+ scattered = (dev->n_free_chunks - erased_chunks); -+ -+ if (!context->bg_running) -+ return 0; -+ else if (scattered < (dev->param.chunks_per_block * 2)) -+ return 0; -+ else if (erased_chunks > dev->n_free_chunks / 2) -+ return 0; -+ else if (erased_chunks > dev->n_free_chunks / 4) -+ return 1; -+ else -+ return 2; -+} -+ -+#ifdef YAFFS_COMPILE_BACKGROUND -+ -+void yaffs_background_waker(unsigned long data) -+{ -+ wake_up_process((struct task_struct *)data); -+} -+ -+static int yaffs_bg_thread_fn(void *data) -+{ -+ struct yaffs_dev *dev = (struct yaffs_dev *)data; -+ struct yaffs_linux_context *context = yaffs_dev_to_lc(dev); -+ unsigned long now = jiffies; -+ unsigned long next_dir_update = now; -+ unsigned long next_gc = now; -+ unsigned long expires; -+ unsigned int urgency; -+ -+ int gc_result; -+ struct timer_list timer; -+ -+ yaffs_trace(YAFFS_TRACE_BACKGROUND, -+ "yaffs_background starting for dev %p", (void *)dev); -+ -+#ifdef YAFFS_COMPILE_FREEZER -+ set_freezable(); -+#endif -+ while (context->bg_running) { -+ yaffs_trace(YAFFS_TRACE_BACKGROUND, "yaffs_background"); -+ -+ if (kthread_should_stop()) -+ break; -+ -+#ifdef YAFFS_COMPILE_FREEZER -+ if (try_to_freeze()) -+ continue; -+#endif -+ yaffs_gross_lock(dev); -+ -+ now = jiffies; -+ -+ if (time_after(now, next_dir_update) && yaffs_bg_enable) { -+ yaffs_update_dirty_dirs(dev); -+ next_dir_update = now + HZ; -+ } -+ -+ if (time_after(now, next_gc) && yaffs_bg_enable) { -+ if (!dev->is_checkpointed) { -+ urgency = yaffs_bg_gc_urgency(dev); -+ gc_result = yaffs_bg_gc(dev, urgency); -+ if (urgency > 1) -+ next_gc = now + HZ / 20 + 1; -+ else if (urgency > 0) -+ next_gc = now + HZ / 10 + 1; -+ else -+ next_gc = now + HZ * 2; -+ } else { -+ /* -+ * gc not running so set to next_dir_update -+ * to cut down on wake ups -+ */ -+ next_gc = next_dir_update; -+ } -+ } -+ yaffs_gross_unlock(dev); -+#if 1 -+ expires = next_dir_update; -+ if (time_before(next_gc, expires)) -+ expires = next_gc; -+ if (time_before(expires, now)) -+ expires = now + HZ; -+ -+ Y_INIT_TIMER(&timer); -+ timer.expires = expires + 1; -+ timer.data = (unsigned long)current; -+ timer.function = yaffs_background_waker; -+ -+ set_current_state(TASK_INTERRUPTIBLE); -+ add_timer(&timer); -+ schedule(); -+ del_timer_sync(&timer); -+#else -+ msleep(10); -+#endif -+ } -+ -+ return 0; -+} -+ -+static int yaffs_bg_start(struct yaffs_dev *dev) -+{ -+ int retval = 0; -+ struct yaffs_linux_context *context = yaffs_dev_to_lc(dev); -+ -+ if (dev->read_only) -+ return -1; -+ -+ context->bg_running = 1; -+ -+ context->bg_thread = kthread_run(yaffs_bg_thread_fn, -+ (void *)dev, "yaffs-bg-%d", -+ context->mount_id); -+ -+ if (IS_ERR(context->bg_thread)) { -+ retval = PTR_ERR(context->bg_thread); -+ context->bg_thread = NULL; -+ context->bg_running = 0; -+ } -+ return retval; -+} -+ -+static void yaffs_bg_stop(struct yaffs_dev *dev) -+{ -+ struct yaffs_linux_context *ctxt = yaffs_dev_to_lc(dev); -+ -+ ctxt->bg_running = 0; -+ -+ if (ctxt->bg_thread) { -+ kthread_stop(ctxt->bg_thread); -+ ctxt->bg_thread = NULL; -+ } -+} -+#else -+static int yaffs_bg_thread_fn(void *data) -+{ -+ return 0; -+} -+ -+static int yaffs_bg_start(struct yaffs_dev *dev) -+{ -+ return 0; -+} -+ -+static void yaffs_bg_stop(struct yaffs_dev *dev) -+{ -+} -+#endif -+ -+ -+static void yaffs_flush_inodes(struct super_block *sb) -+{ -+ struct inode *iptr; -+ struct yaffs_obj *obj; -+ -+ list_for_each_entry(iptr, &sb->s_inodes, i_sb_list) { -+ obj = yaffs_inode_to_obj(iptr); -+ if (obj) { -+ yaffs_trace(YAFFS_TRACE_OS, -+ "flushing obj %d", -+ obj->obj_id); -+ yaffs_flush_file(obj, 1, 0); -+ } -+ } -+} -+ -+static void yaffs_flush_super(struct super_block *sb, int do_checkpoint) -+{ -+ struct yaffs_dev *dev = yaffs_super_to_dev(sb); -+ if (!dev) -+ return; -+ -+ yaffs_flush_inodes(sb); -+ yaffs_update_dirty_dirs(dev); -+ yaffs_flush_whole_cache(dev); -+ if (do_checkpoint) -+ yaffs_checkpoint_save(dev); -+} -+ -+static LIST_HEAD(yaffs_context_list); -+struct mutex yaffs_context_lock; -+ -+static void yaffs_put_super(struct super_block *sb) -+{ -+ struct yaffs_dev *dev = yaffs_super_to_dev(sb); -+ struct mtd_info *mtd = yaffs_dev_to_mtd(dev); -+ -+ yaffs_trace(YAFFS_TRACE_OS | YAFFS_TRACE_ALWAYS, -+ "yaffs_put_super"); -+ -+ yaffs_trace(YAFFS_TRACE_OS | YAFFS_TRACE_BACKGROUND, -+ "Shutting down yaffs background thread"); -+ yaffs_bg_stop(dev); -+ yaffs_trace(YAFFS_TRACE_OS | YAFFS_TRACE_BACKGROUND, -+ "yaffs background thread shut down"); -+ -+ yaffs_gross_lock(dev); -+ -+ yaffs_flush_super(sb, 1); -+ -+ yaffs_deinitialise(dev); -+ -+ yaffs_gross_unlock(dev); -+ -+ mutex_lock(&yaffs_context_lock); -+ list_del_init(&(yaffs_dev_to_lc(dev)->context_list)); -+ mutex_unlock(&yaffs_context_lock); -+ -+ if (yaffs_dev_to_lc(dev)->spare_buffer) { -+ kfree(yaffs_dev_to_lc(dev)->spare_buffer); -+ yaffs_dev_to_lc(dev)->spare_buffer = NULL; -+ } -+ -+ kfree(dev); -+ -+ yaffs_put_mtd_device(mtd); -+ -+ yaffs_trace(YAFFS_TRACE_OS | YAFFS_TRACE_ALWAYS, -+ "yaffs_put_super done"); -+} -+ -+ -+static unsigned yaffs_gc_control_callback(struct yaffs_dev *dev) -+{ -+ return yaffs_gc_control; -+} -+ -+ -+#ifdef YAFFS_COMPILE_EXPORTFS -+ -+static struct inode *yaffs2_nfs_get_inode(struct super_block *sb, uint64_t ino, -+ uint32_t generation) -+{ -+ return Y_IGET(sb, ino); -+} -+ -+static struct dentry *yaffs2_fh_to_dentry(struct super_block *sb, -+ struct fid *fid, int fh_len, -+ int fh_type) -+{ -+ return generic_fh_to_dentry(sb, fid, fh_len, fh_type, -+ yaffs2_nfs_get_inode); -+} -+ -+static struct dentry *yaffs2_fh_to_parent(struct super_block *sb, -+ struct fid *fid, int fh_len, -+ int fh_type) -+{ -+ return generic_fh_to_parent(sb, fid, fh_len, fh_type, -+ yaffs2_nfs_get_inode); -+} -+ -+struct dentry *yaffs2_get_parent(struct dentry *dentry) -+{ -+ -+ struct super_block *sb = dentry->d_inode->i_sb; -+ struct dentry *parent = ERR_PTR(-ENOENT); -+ struct inode *inode; -+ unsigned long parent_ino; -+ struct yaffs_obj *d_obj; -+ struct yaffs_obj *parent_obj; -+ -+ d_obj = yaffs_inode_to_obj(dentry->d_inode); -+ -+ if (d_obj) { -+ parent_obj = d_obj->parent; -+ if (parent_obj) { -+ parent_ino = yaffs_get_obj_inode(parent_obj); -+ inode = Y_IGET(sb, parent_ino); -+ -+ if (IS_ERR(inode)) { -+ parent = ERR_CAST(inode); -+ } else { -+ parent = d_obtain_alias(inode); -+ if (!IS_ERR(parent)) { -+ parent = ERR_PTR(-ENOMEM); -+ iput(inode); -+ } -+ } -+ } -+ } -+ -+ return parent; -+} -+ -+/* Just declare a zero structure as a NULL value implies -+ * using the default functions of exportfs. -+ */ -+ -+static struct export_operations yaffs_export_ops = { -+ .fh_to_dentry = yaffs2_fh_to_dentry, -+ .fh_to_parent = yaffs2_fh_to_parent, -+ .get_parent = yaffs2_get_parent, -+}; -+ -+#endif -+ -+static void yaffs_unstitch_obj(struct inode *inode, struct yaffs_obj *obj) -+{ -+ /* Clear the association between the inode and -+ * the struct yaffs_obj. -+ */ -+ obj->my_inode = NULL; -+ yaffs_inode_to_obj_lv(inode) = NULL; -+ -+ /* If the object freeing was deferred, then the real -+ * free happens now. -+ * This should fix the inode inconsistency problem. -+ */ -+ yaffs_handle_defered_free(obj); -+} -+ -+#ifdef YAFFS_HAS_EVICT_INODE -+/* yaffs_evict_inode combines into one operation what was previously done in -+ * yaffs_clear_inode() and yaffs_delete_inode() -+ * -+ */ -+static void yaffs_evict_inode(struct inode *inode) -+{ -+ struct yaffs_obj *obj; -+ struct yaffs_dev *dev; -+ int deleteme = 0; -+ -+ obj = yaffs_inode_to_obj(inode); -+ -+ yaffs_trace(YAFFS_TRACE_OS, -+ "yaffs_evict_inode: ino %d, count %d %s", -+ (int)inode->i_ino, atomic_read(&inode->i_count), -+ obj ? "object exists" : "null object"); -+ -+ if (!inode->i_nlink && !is_bad_inode(inode)) -+ deleteme = 1; -+ truncate_inode_pages(&inode->i_data, 0); -+ Y_CLEAR_INODE(inode); -+ -+ if (deleteme && obj) { -+ dev = obj->my_dev; -+ yaffs_gross_lock(dev); -+ yaffs_del_obj(obj); -+ yaffs_gross_unlock(dev); -+ } -+ if (obj) { -+ dev = obj->my_dev; -+ yaffs_gross_lock(dev); -+ yaffs_unstitch_obj(inode, obj); -+ yaffs_gross_unlock(dev); -+ } -+} -+#else -+ -+/* clear is called to tell the fs to release any per-inode data it holds. -+ * The object might still exist on disk and is just being thrown out of the cache -+ * or else the object has actually been deleted and we're being called via -+ * the chain -+ * yaffs_delete_inode() -> clear_inode()->yaffs_clear_inode() -+ */ -+ -+static void yaffs_clear_inode(struct inode *inode) -+{ -+ struct yaffs_obj *obj; -+ struct yaffs_dev *dev; -+ -+ obj = yaffs_inode_to_obj(inode); -+ -+ yaffs_trace(YAFFS_TRACE_OS, -+ "yaffs_clear_inode: ino %d, count %d %s", -+ (int)inode->i_ino, atomic_read(&inode->i_count), -+ obj ? "object exists" : "null object"); -+ -+ if (obj) { -+ dev = obj->my_dev; -+ yaffs_gross_lock(dev); -+ yaffs_unstitch_obj(inode, obj); -+ yaffs_gross_unlock(dev); -+ } -+ -+} -+ -+/* delete is called when the link count is zero and the inode -+ * is put (ie. nobody wants to know about it anymore, time to -+ * delete the file). -+ * NB Must call clear_inode() -+ */ -+static void yaffs_delete_inode(struct inode *inode) -+{ -+ struct yaffs_obj *obj = yaffs_inode_to_obj(inode); -+ struct yaffs_dev *dev; -+ -+ yaffs_trace(YAFFS_TRACE_OS, -+ "yaffs_delete_inode: ino %d, count %d %s", -+ (int)inode->i_ino, atomic_read(&inode->i_count), -+ obj ? "object exists" : "null object"); -+ -+ if (obj) { -+ dev = obj->my_dev; -+ yaffs_gross_lock(dev); -+ yaffs_del_obj(obj); -+ yaffs_gross_unlock(dev); -+ } -+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 13)) -+ truncate_inode_pages(&inode->i_data, 0); -+#endif -+ clear_inode(inode); -+} -+#endif -+ -+ -+ -+ -+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17)) -+static int yaffs_statfs(struct dentry *dentry, struct kstatfs *buf) -+{ -+ struct yaffs_dev *dev = yaffs_dentry_to_obj(dentry)->my_dev; -+ struct super_block *sb = dentry->d_sb; -+#elif (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0)) -+static int yaffs_statfs(struct super_block *sb, struct kstatfs *buf) -+{ -+ struct yaffs_dev *dev = yaffs_super_to_dev(sb); -+#else -+static int yaffs_statfs(struct super_block *sb, struct statfs *buf) -+{ -+ struct yaffs_dev *dev = yaffs_super_to_dev(sb); -+#endif -+ -+ yaffs_trace(YAFFS_TRACE_OS, "yaffs_statfs"); -+ -+ yaffs_gross_lock(dev); -+ -+ buf->f_type = YAFFS_MAGIC; -+ buf->f_bsize = sb->s_blocksize; -+ buf->f_namelen = 255; -+ -+ if (dev->data_bytes_per_chunk & (dev->data_bytes_per_chunk - 1)) { -+ /* Do this if chunk size is not a power of 2 */ -+ -+ uint64_t bytes_in_dev; -+ uint64_t bytes_free; -+ -+ bytes_in_dev = -+ ((uint64_t) -+ ((dev->param.end_block - dev->param.start_block + -+ 1))) * ((uint64_t) (dev->param.chunks_per_block * -+ dev->data_bytes_per_chunk)); -+ -+ do_div(bytes_in_dev, sb->s_blocksize); /* bytes_in_dev becomes the number of blocks */ -+ buf->f_blocks = bytes_in_dev; -+ -+ bytes_free = ((uint64_t) (yaffs_get_n_free_chunks(dev))) * -+ ((uint64_t) (dev->data_bytes_per_chunk)); -+ -+ do_div(bytes_free, sb->s_blocksize); -+ -+ buf->f_bfree = bytes_free; -+ -+ } else if (sb->s_blocksize > dev->data_bytes_per_chunk) { -+ -+ buf->f_blocks = -+ (dev->param.end_block - dev->param.start_block + 1) * -+ dev->param.chunks_per_block / -+ (sb->s_blocksize / dev->data_bytes_per_chunk); -+ buf->f_bfree = -+ yaffs_get_n_free_chunks(dev) / -+ (sb->s_blocksize / dev->data_bytes_per_chunk); -+ } else { -+ buf->f_blocks = -+ (dev->param.end_block - dev->param.start_block + 1) * -+ dev->param.chunks_per_block * -+ (dev->data_bytes_per_chunk / sb->s_blocksize); -+ -+ buf->f_bfree = -+ yaffs_get_n_free_chunks(dev) * -+ (dev->data_bytes_per_chunk / sb->s_blocksize); -+ } -+ -+ buf->f_files = 0; -+ buf->f_ffree = 0; -+ buf->f_bavail = buf->f_bfree; -+ -+ yaffs_gross_unlock(dev); -+ return 0; -+} -+ -+ -+ -+static int yaffs_do_sync_fs(struct super_block *sb, int request_checkpoint) -+{ -+ -+ struct yaffs_dev *dev = yaffs_super_to_dev(sb); -+ unsigned int oneshot_checkpoint = (yaffs_auto_checkpoint & 4); -+ unsigned gc_urgent = yaffs_bg_gc_urgency(dev); -+ int do_checkpoint; -+ int dirty = yaffs_check_super_dirty(dev); -+ -+ yaffs_trace(YAFFS_TRACE_OS | YAFFS_TRACE_SYNC | YAFFS_TRACE_BACKGROUND, -+ "yaffs_do_sync_fs: gc-urgency %d %s %s%s", -+ gc_urgent, -+ dirty ? "dirty" : "clean", -+ request_checkpoint ? "checkpoint requested" : "no checkpoint", -+ oneshot_checkpoint ? " one-shot" : ""); -+ -+ yaffs_gross_lock(dev); -+ do_checkpoint = ((request_checkpoint && !gc_urgent) || -+ oneshot_checkpoint) && !dev->is_checkpointed; -+ -+ if (dirty || do_checkpoint) { -+ yaffs_flush_super(sb, !dev->is_checkpointed && do_checkpoint); -+ yaffs_clear_super_dirty(dev); -+ if (oneshot_checkpoint) -+ yaffs_auto_checkpoint &= ~4; -+ } -+ yaffs_gross_unlock(dev); -+ -+ return 0; -+} -+ -+ -+#ifdef YAFFS_HAS_WRITE_SUPER -+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17)) -+static void yaffs_write_super(struct super_block *sb) -+#else -+static int yaffs_write_super(struct super_block *sb) -+#endif -+{ -+ unsigned request_checkpoint = (yaffs_auto_checkpoint >= 2); -+ -+ yaffs_trace(YAFFS_TRACE_OS | YAFFS_TRACE_SYNC | YAFFS_TRACE_BACKGROUND, -+ "yaffs_write_super %s", -+ request_checkpoint ? " checkpt" : ""); -+ -+ yaffs_do_sync_fs(sb, request_checkpoint); -+ -+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 18)) -+ return 0; -+#endif -+} -+#endif -+ -+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17)) -+static int yaffs_sync_fs(struct super_block *sb, int wait) -+#else -+static int yaffs_sync_fs(struct super_block *sb) -+#endif -+{ -+ unsigned request_checkpoint = (yaffs_auto_checkpoint >= 1); -+ -+ yaffs_trace(YAFFS_TRACE_OS | YAFFS_TRACE_SYNC, -+ "yaffs_sync_fs%s", request_checkpoint ? " checkpt" : ""); -+ -+ yaffs_do_sync_fs(sb, request_checkpoint); -+ -+ return 0; -+} -+ -+ -+ -+static const struct super_operations yaffs_super_ops = { -+ .statfs = yaffs_statfs, -+ -+#ifndef YAFFS_USE_OWN_IGET -+ .read_inode = yaffs_read_inode, -+#endif -+#ifdef YAFFS_HAS_PUT_INODE -+ .put_inode = yaffs_put_inode, -+#endif -+ .put_super = yaffs_put_super, -+#ifdef YAFFS_HAS_EVICT_INODE -+ .evict_inode = yaffs_evict_inode, -+#else -+ .delete_inode = yaffs_delete_inode, -+ .clear_inode = yaffs_clear_inode, -+#endif -+ .sync_fs = yaffs_sync_fs, -+#ifdef YAFFS_HAS_WRITE_SUPER -+ .write_super = yaffs_write_super, -+#endif -+}; -+ -+struct yaffs_options { -+ int inband_tags; -+ int skip_checkpoint_read; -+ int skip_checkpoint_write; -+ int no_cache; -+ int tags_ecc_on; -+ int tags_ecc_overridden; -+ int lazy_loading_enabled; -+ int lazy_loading_overridden; -+ int empty_lost_and_found; -+ int empty_lost_and_found_overridden; -+ int disable_summary; -+}; -+ -+#define MAX_OPT_LEN 30 -+static int yaffs_parse_options(struct yaffs_options *options, -+ const char *options_str) -+{ -+ char cur_opt[MAX_OPT_LEN + 1]; -+ int p; -+ int error = 0; -+ -+ /* Parse through the options which is a comma seperated list */ -+ -+ while (options_str && *options_str && !error) { -+ memset(cur_opt, 0, MAX_OPT_LEN + 1); -+ p = 0; -+ -+ while (*options_str == ',') -+ options_str++; -+ -+ while (*options_str && *options_str != ',') { -+ if (p < MAX_OPT_LEN) { -+ cur_opt[p] = *options_str; -+ p++; -+ } -+ options_str++; -+ } -+ -+ if (!strcmp(cur_opt, "inband-tags")) { -+ options->inband_tags = 1; -+ } else if (!strcmp(cur_opt, "tags-ecc-off")) { -+ options->tags_ecc_on = 0; -+ options->tags_ecc_overridden = 1; -+ } else if (!strcmp(cur_opt, "tags-ecc-on")) { -+ options->tags_ecc_on = 1; -+ options->tags_ecc_overridden = 1; -+ } else if (!strcmp(cur_opt, "lazy-loading-off")) { -+ options->lazy_loading_enabled = 0; -+ options->lazy_loading_overridden = 1; -+ } else if (!strcmp(cur_opt, "lazy-loading-on")) { -+ options->lazy_loading_enabled = 1; -+ options->lazy_loading_overridden = 1; -+ } else if (!strcmp(cur_opt, "disable-summary")) { -+ options->disable_summary = 1; -+ } else if (!strcmp(cur_opt, "empty-lost-and-found-off")) { -+ options->empty_lost_and_found = 0; -+ options->empty_lost_and_found_overridden = 1; -+ } else if (!strcmp(cur_opt, "empty-lost-and-found-on")) { -+ options->empty_lost_and_found = 1; -+ options->empty_lost_and_found_overridden = 1; -+ } else if (!strcmp(cur_opt, "no-cache")) { -+ options->no_cache = 1; -+ } else if (!strcmp(cur_opt, "no-checkpoint-read")) { -+ options->skip_checkpoint_read = 1; -+ } else if (!strcmp(cur_opt, "no-checkpoint-write")) { -+ options->skip_checkpoint_write = 1; -+ } else if (!strcmp(cur_opt, "no-checkpoint")) { -+ options->skip_checkpoint_read = 1; -+ options->skip_checkpoint_write = 1; -+ } else { -+ printk(KERN_INFO "yaffs: Bad mount option \"%s\"\n", -+ cur_opt); -+ error = 1; -+ } -+ } -+ -+ return error; -+} -+ -+ -+static struct dentry *yaffs_make_root(struct inode *inode) -+{ -+#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 4, 0)) -+ struct dentry *root = d_alloc_root(inode); -+ -+ if (!root) -+ iput(inode); -+ -+ return root; -+#else -+ return d_make_root(inode); -+#endif -+} -+ -+ -+ -+ -+static struct super_block *yaffs_internal_read_super(int yaffs_version, -+ struct super_block *sb, -+ void *data, int silent) -+{ -+ int n_blocks; -+ struct inode *inode = NULL; -+ struct dentry *root; -+ struct yaffs_dev *dev = 0; -+ char devname_buf[BDEVNAME_SIZE + 1]; -+ struct mtd_info *mtd; -+ int err; -+ char *data_str = (char *)data; -+ struct yaffs_linux_context *context = NULL; -+ struct yaffs_param *param; -+ -+ int read_only = 0; -+ int inband_tags = 0; -+ -+ struct yaffs_options options; -+ -+ unsigned mount_id; -+ int found; -+ struct yaffs_linux_context *context_iterator; -+ struct list_head *l; -+ -+ if (!sb) { -+ printk(KERN_INFO "yaffs: sb is NULL\n"); -+ return NULL; -+ } -+ -+ sb->s_magic = YAFFS_MAGIC; -+ sb->s_op = &yaffs_super_ops; -+ sb->s_flags |= MS_NOATIME; -+ -+ read_only = ((sb->s_flags & MS_RDONLY) != 0); -+ -+#ifdef YAFFS_COMPILE_EXPORTFS -+ sb->s_export_op = &yaffs_export_ops; -+#endif -+ -+ if (!sb->s_dev) -+ printk(KERN_INFO "yaffs: sb->s_dev is NULL\n"); -+ else if (!yaffs_devname(sb, devname_buf)) -+ printk(KERN_INFO "yaffs: devname is NULL\n"); -+ else -+ printk(KERN_INFO "yaffs: dev is %d name is \"%s\" %s\n", -+ sb->s_dev, -+ yaffs_devname(sb, devname_buf), read_only ? "ro" : "rw"); -+ -+ if (!data_str) -+ data_str = ""; -+ -+ printk(KERN_INFO "yaffs: passed flags \"%s\"\n", data_str); -+ -+ memset(&options, 0, sizeof(options)); -+ -+ if (yaffs_parse_options(&options, data_str)) { -+ /* Option parsing failed */ -+ return NULL; -+ } -+ -+ sb->s_blocksize = PAGE_CACHE_SIZE; -+ sb->s_blocksize_bits = PAGE_CACHE_SHIFT; -+ -+ yaffs_trace(YAFFS_TRACE_OS, -+ "yaffs_read_super: Using yaffs%d", yaffs_version); -+ yaffs_trace(YAFFS_TRACE_OS, -+ "yaffs_read_super: block size %d", (int)(sb->s_blocksize)); -+ -+ yaffs_trace(YAFFS_TRACE_ALWAYS, -+ "yaffs: Attempting MTD mount of %u.%u,\"%s\"", -+ MAJOR(sb->s_dev), MINOR(sb->s_dev), -+ yaffs_devname(sb, devname_buf)); -+ -+ /* Get the device */ -+ mtd = get_mtd_device(NULL, MINOR(sb->s_dev)); -+ if (IS_ERR(mtd)) { -+ yaffs_trace(YAFFS_TRACE_ALWAYS, -+ "yaffs: MTD device %u either not valid or unavailable", -+ MINOR(sb->s_dev)); -+ return NULL; -+ } -+ -+ if (yaffs_auto_select && yaffs_version == 1 && WRITE_SIZE(mtd) >= 2048) { -+ yaffs_trace(YAFFS_TRACE_ALWAYS, "auto selecting yaffs2"); -+ yaffs_version = 2; -+ } -+ -+ /* Added NCB 26/5/2006 for completeness */ -+ if (yaffs_version == 2 && !options.inband_tags -+ && WRITE_SIZE(mtd) == 512) { -+ yaffs_trace(YAFFS_TRACE_ALWAYS, "auto selecting yaffs1"); -+ yaffs_version = 1; -+ } -+ -+ if (mtd->oobavail < sizeof(struct yaffs_packed_tags2) || -+ options.inband_tags) -+ inband_tags = 1; -+ -+ if(yaffs_verify_mtd(mtd, yaffs_version, inband_tags) < 0) -+ return NULL; -+ -+ /* OK, so if we got here, we have an MTD that's NAND and looks -+ * like it has the right capabilities -+ * Set the struct yaffs_dev up for mtd -+ */ -+ -+ if (!read_only && !(mtd->flags & MTD_WRITEABLE)) { -+ read_only = 1; -+ printk(KERN_INFO -+ "yaffs: mtd is read only, setting superblock read only\n" -+ ); -+ sb->s_flags |= MS_RDONLY; -+ } -+ -+ dev = kmalloc(sizeof(struct yaffs_dev), GFP_KERNEL); -+ context = kmalloc(sizeof(struct yaffs_linux_context), GFP_KERNEL); -+ -+ if (!dev || !context) { -+ kfree(dev); -+ kfree(context); -+ dev = NULL; -+ context = NULL; -+ -+ /* Deep shit could not allocate device structure */ -+ yaffs_trace(YAFFS_TRACE_ALWAYS, -+ "yaffs_read_super: Failed trying to allocate struct yaffs_dev." -+ ); -+ return NULL; -+ } -+ memset(dev, 0, sizeof(struct yaffs_dev)); -+ param = &(dev->param); -+ -+ memset(context, 0, sizeof(struct yaffs_linux_context)); -+ dev->os_context = context; -+ INIT_LIST_HEAD(&(context->context_list)); -+ context->dev = dev; -+ context->super = sb; -+ -+ dev->read_only = read_only; -+ -+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0)) -+ sb->s_fs_info = dev; -+#else -+ sb->u.generic_sbp = dev; -+#endif -+ -+ -+ dev->driver_context = mtd; -+ param->name = mtd->name; -+ -+ /* Set up the memory size parameters.... */ -+ -+ -+ param->n_reserved_blocks = 5; -+ param->n_caches = (options.no_cache) ? 0 : 10; -+ param->inband_tags = inband_tags; -+ -+ param->enable_xattr = 1; -+ if (options.lazy_loading_overridden) -+ param->disable_lazy_load = !options.lazy_loading_enabled; -+ -+ param->defered_dir_update = 1; -+ -+ if (options.tags_ecc_overridden) -+ param->no_tags_ecc = !options.tags_ecc_on; -+ -+ param->empty_lost_n_found = 1; -+ param->refresh_period = 500; -+ param->disable_summary = options.disable_summary; -+ -+ -+#ifdef CONFIG_YAFFS_DISABLE_BAD_BLOCK_MARKING -+ param->disable_bad_block_marking = 1; -+#endif -+ if (options.empty_lost_and_found_overridden) -+ param->empty_lost_n_found = options.empty_lost_and_found; -+ -+ /* ... and the functions. */ -+ if (yaffs_version == 2) { -+ param->is_yaffs2 = 1; -+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17)) -+ param->total_bytes_per_chunk = mtd->writesize; -+ param->chunks_per_block = mtd->erasesize / mtd->writesize; -+#else -+ param->total_bytes_per_chunk = mtd->oobblock; -+ param->chunks_per_block = mtd->erasesize / mtd->oobblock; -+#endif -+ n_blocks = YCALCBLOCKS(mtd->size, mtd->erasesize); -+ -+ param->start_block = 0; -+ param->end_block = n_blocks - 1; -+ } else { -+ param->is_yaffs2 = 0; -+ n_blocks = YCALCBLOCKS(mtd->size, -+ YAFFS_CHUNKS_PER_BLOCK * YAFFS_BYTES_PER_CHUNK); -+ -+ param->chunks_per_block = YAFFS_CHUNKS_PER_BLOCK; -+ param->total_bytes_per_chunk = YAFFS_BYTES_PER_CHUNK; -+ } -+ -+ param->start_block = 0; -+ param->end_block = n_blocks - 1; -+ -+ yaffs_mtd_drv_install(dev); -+ -+ param->sb_dirty_fn = yaffs_set_super_dirty; -+ param->gc_control_fn = yaffs_gc_control_callback; -+ -+ yaffs_dev_to_lc(dev)->super = sb; -+ -+ param->use_nand_ecc = 1; -+ -+ param->skip_checkpt_rd = options.skip_checkpoint_read; -+ param->skip_checkpt_wr = options.skip_checkpoint_write; -+ -+ mutex_lock(&yaffs_context_lock); -+ /* Get a mount id */ -+ found = 0; -+ for (mount_id = 0; !found; mount_id++) { -+ found = 1; -+ list_for_each(l, &yaffs_context_list) { -+ context_iterator = -+ list_entry(l, struct yaffs_linux_context, -+ context_list); -+ if (context_iterator->mount_id == mount_id) -+ found = 0; -+ } -+ } -+ context->mount_id = mount_id; -+ -+ list_add_tail(&(yaffs_dev_to_lc(dev)->context_list), -+ &yaffs_context_list); -+ mutex_unlock(&yaffs_context_lock); -+ -+ /* Directory search handling... */ -+ INIT_LIST_HEAD(&(yaffs_dev_to_lc(dev)->search_contexts)); -+ param->remove_obj_fn = yaffs_remove_obj_callback; -+ -+ mutex_init(&(yaffs_dev_to_lc(dev)->gross_lock)); -+ -+ yaffs_gross_lock(dev); -+ -+ err = yaffs_guts_initialise(dev); -+ -+ yaffs_trace(YAFFS_TRACE_OS, -+ "yaffs_read_super: guts initialised %s", -+ (err == YAFFS_OK) ? "OK" : "FAILED"); -+ -+ if (err == YAFFS_OK) -+ yaffs_bg_start(dev); -+ -+ if (!context->bg_thread) -+ param->defered_dir_update = 0; -+ -+ sb->s_maxbytes = yaffs_max_file_size(dev); -+ -+ /* Release lock before yaffs_get_inode() */ -+ yaffs_gross_unlock(dev); -+ -+ /* Create root inode */ -+ if (err == YAFFS_OK) -+ inode = yaffs_get_inode(sb, S_IFDIR | 0755, 0, yaffs_root(dev)); -+ -+ if (!inode) -+ return NULL; -+ -+ inode->i_op = &yaffs_dir_inode_operations; -+ inode->i_fop = &yaffs_dir_operations; -+ -+ yaffs_trace(YAFFS_TRACE_OS, "yaffs_read_super: got root inode"); -+ -+ root = yaffs_make_root(inode); -+ -+ if (!root) -+ return NULL; -+ -+ sb->s_root = root; -+ if(!dev->is_checkpointed) -+ yaffs_set_super_dirty(dev); -+ -+ yaffs_trace(YAFFS_TRACE_ALWAYS, -+ "yaffs_read_super: is_checkpointed %d", -+ dev->is_checkpointed); -+ -+ yaffs_trace(YAFFS_TRACE_OS, "yaffs_read_super: done"); -+ return sb; -+} -+ -+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0)) -+static int yaffs_internal_read_super_mtd(struct super_block *sb, void *data, -+ int silent) -+{ -+ return yaffs_internal_read_super(1, sb, data, silent) ? 0 : -EINVAL; -+} -+ -+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 39)) -+static struct dentry *yaffs_mount(struct file_system_type *fs_type, int flags, -+ const char *dev_name, void *data) -+{ -+ return mount_bdev(fs_type, flags, dev_name, data, yaffs_internal_read_super_mtd); -+} -+#elif (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17)) -+static int yaffs_read_super(struct file_system_type *fs, -+ int flags, const char *dev_name, -+ void *data, struct vfsmount *mnt) -+{ -+ -+ return get_sb_bdev(fs, flags, dev_name, data, -+ yaffs_internal_read_super_mtd, mnt); -+} -+#else -+static struct super_block *yaffs_read_super(struct file_system_type *fs, -+ int flags, const char *dev_name, -+ void *data) -+{ -+ -+ return get_sb_bdev(fs, flags, dev_name, data, -+ yaffs_internal_read_super_mtd); -+} -+#endif -+ -+static struct file_system_type yaffs_fs_type = { -+ .owner = THIS_MODULE, -+ .name = "yaffs", -+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 39)) -+ .mount = yaffs_mount, -+#else -+ .get_sb = yaffs_read_super, -+#endif -+ .kill_sb = kill_block_super, -+ .fs_flags = FS_REQUIRES_DEV, -+}; -+#else -+static struct super_block *yaffs_read_super(struct super_block *sb, void *data, -+ int silent) -+{ -+ return yaffs_internal_read_super(1, sb, data, silent); -+} -+ -+static DECLARE_FSTYPE(yaffs_fs_type, "yaffs", yaffs_read_super, -+ FS_REQUIRES_DEV); -+#endif -+ -+ -+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0)) -+static int yaffs2_internal_read_super_mtd(struct super_block *sb, void *data, -+ int silent) -+{ -+ return yaffs_internal_read_super(2, sb, data, silent) ? 0 : -EINVAL; -+} -+ -+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 39)) -+static struct dentry *yaffs2_mount(struct file_system_type *fs_type, int flags, -+ const char *dev_name, void *data) -+{ -+ return mount_bdev(fs_type, flags, dev_name, data, yaffs2_internal_read_super_mtd); -+} -+#elif (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17)) -+static int yaffs2_read_super(struct file_system_type *fs, -+ int flags, const char *dev_name, void *data, -+ struct vfsmount *mnt) -+{ -+ return get_sb_bdev(fs, flags, dev_name, data, -+ yaffs2_internal_read_super_mtd, mnt); -+} -+#else -+static struct super_block *yaffs2_read_super(struct file_system_type *fs, -+ int flags, const char *dev_name, -+ void *data) -+{ -+ -+ return get_sb_bdev(fs, flags, dev_name, data, -+ yaffs2_internal_read_super_mtd); -+} -+#endif -+ -+static struct file_system_type yaffs2_fs_type = { -+ .owner = THIS_MODULE, -+ .name = "yaffs2", -+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 39)) -+ .mount = yaffs2_mount, -+#else -+ .get_sb = yaffs2_read_super, -+#endif -+ .kill_sb = kill_block_super, -+ .fs_flags = FS_REQUIRES_DEV, -+}; -+#else -+static struct super_block *yaffs2_read_super(struct super_block *sb, -+ void *data, int silent) -+{ -+ return yaffs_internal_read_super(2, sb, data, silent); -+} -+ -+static DECLARE_FSTYPE(yaffs2_fs_type, "yaffs2", yaffs2_read_super, -+ FS_REQUIRES_DEV); -+#endif -+ -+ -+#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 9, 0)) -+static struct proc_dir_entry *my_proc_entry; -+ -+static char *yaffs_dump_dev_part0(char *buf, struct yaffs_dev *dev) -+{ -+ struct yaffs_param *param = &dev->param; -+ int bs[10]; -+ -+ yaffs_count_blocks_by_state(dev,bs); -+ -+ buf += sprintf(buf, "start_block.......... %d\n", param->start_block); -+ buf += sprintf(buf, "end_block............ %d\n", param->end_block); -+ buf += sprintf(buf, "total_bytes_per_chunk %d\n", -+ param->total_bytes_per_chunk); -+ buf += sprintf(buf, "use_nand_ecc......... %d\n", param->use_nand_ecc); -+ buf += sprintf(buf, "no_tags_ecc.......... %d\n", param->no_tags_ecc); -+ buf += sprintf(buf, "is_yaffs2............ %d\n", param->is_yaffs2); -+ buf += sprintf(buf, "inband_tags.......... %d\n", param->inband_tags); -+ buf += sprintf(buf, "empty_lost_n_found... %d\n", -+ param->empty_lost_n_found); -+ buf += sprintf(buf, "disable_lazy_load.... %d\n", -+ param->disable_lazy_load); -+ buf += sprintf(buf, "disable_bad_block_mrk %d\n", -+ param->disable_bad_block_marking); -+ buf += sprintf(buf, "refresh_period....... %d\n", -+ param->refresh_period); -+ buf += sprintf(buf, "n_caches............. %d\n", param->n_caches); -+ buf += sprintf(buf, "n_reserved_blocks.... %d\n", -+ param->n_reserved_blocks); -+ buf += sprintf(buf, "always_check_erased.. %d\n", -+ param->always_check_erased); -+ buf += sprintf(buf, "\n"); -+ buf += sprintf(buf, "block count by state\n"); -+ buf += sprintf(buf, "0:%d 1:%d 2:%d 3:%d 4:%d\n", -+ bs[0], bs[1], bs[2], bs[3], bs[4]); -+ buf += sprintf(buf, "5:%d 6:%d 7:%d 8:%d 9:%d\n", -+ bs[5], bs[6], bs[7], bs[8], bs[9]); -+ -+ return buf; -+} -+ -+static char *yaffs_dump_dev_part1(char *buf, struct yaffs_dev *dev) -+{ -+ buf += sprintf(buf, "max file size....... %lld\n", -+ (long long) yaffs_max_file_size(dev)); -+ buf += sprintf(buf, "data_bytes_per_chunk. %d\n", -+ dev->data_bytes_per_chunk); -+ buf += sprintf(buf, "chunk_grp_bits....... %d\n", dev->chunk_grp_bits); -+ buf += sprintf(buf, "chunk_grp_size....... %d\n", dev->chunk_grp_size); -+ buf += sprintf(buf, "n_erased_blocks...... %d\n", dev->n_erased_blocks); -+ buf += sprintf(buf, "blocks_in_checkpt.... %d\n", -+ dev->blocks_in_checkpt); -+ buf += sprintf(buf, "\n"); -+ buf += sprintf(buf, "n_tnodes............. %d\n", dev->n_tnodes); -+ buf += sprintf(buf, "n_obj................ %d\n", dev->n_obj); -+ buf += sprintf(buf, "n_free_chunks........ %d\n", dev->n_free_chunks); -+ buf += sprintf(buf, "\n"); -+ buf += sprintf(buf, "n_page_writes........ %u\n", dev->n_page_writes); -+ buf += sprintf(buf, "n_page_reads......... %u\n", dev->n_page_reads); -+ buf += sprintf(buf, "n_erasures........... %u\n", dev->n_erasures); -+ buf += sprintf(buf, "n_gc_copies.......... %u\n", dev->n_gc_copies); -+ buf += sprintf(buf, "all_gcs.............. %u\n", dev->all_gcs); -+ buf += sprintf(buf, "passive_gc_count..... %u\n", -+ dev->passive_gc_count); -+ buf += sprintf(buf, "oldest_dirty_gc_count %u\n", -+ dev->oldest_dirty_gc_count); -+ buf += sprintf(buf, "n_gc_blocks.......... %u\n", dev->n_gc_blocks); -+ buf += sprintf(buf, "bg_gcs............... %u\n", dev->bg_gcs); -+ buf += sprintf(buf, "n_retried_writes..... %u\n", -+ dev->n_retried_writes); -+ buf += sprintf(buf, "n_retired_blocks..... %u\n", -+ dev->n_retired_blocks); -+ buf += sprintf(buf, "n_ecc_fixed.......... %u\n", dev->n_ecc_fixed); -+ buf += sprintf(buf, "n_ecc_unfixed........ %u\n", dev->n_ecc_unfixed); -+ buf += sprintf(buf, "n_tags_ecc_fixed..... %u\n", -+ dev->n_tags_ecc_fixed); -+ buf += sprintf(buf, "n_tags_ecc_unfixed... %u\n", -+ dev->n_tags_ecc_unfixed); -+ buf += sprintf(buf, "cache_hits........... %u\n", dev->cache_hits); -+ buf += sprintf(buf, "n_deleted_files...... %u\n", dev->n_deleted_files); -+ buf += sprintf(buf, "n_unlinked_files..... %u\n", -+ dev->n_unlinked_files); -+ buf += sprintf(buf, "refresh_count........ %u\n", dev->refresh_count); -+ buf += sprintf(buf, "n_bg_deletions....... %u\n", dev->n_bg_deletions); -+ buf += sprintf(buf, "tags_used............ %u\n", dev->tags_used); -+ buf += sprintf(buf, "summary_used......... %u\n", dev->summary_used); -+ -+ return buf; -+} -+ -+static int yaffs_proc_read(char *page, -+ char **start, -+ off_t offset, int count, int *eof, void *data) -+{ -+ struct list_head *item; -+ char *buf = page; -+ int step = offset; -+ int n = 0; -+ -+ /* Get proc_file_read() to step 'offset' by one on each sucessive call. -+ * We use 'offset' (*ppos) to indicate where we are in dev_list. -+ * This also assumes the user has posted a read buffer large -+ * enough to hold the complete output; but that's life in /proc. -+ */ -+ -+ *(int *)start = 1; -+ -+ /* Print header first */ -+ if (step == 0) -+ buf += -+ sprintf(buf, -+ "Multi-version YAFFS built:" __DATE__ " " __TIME__ -+ "\n"); -+ else if (step == 1) -+ buf += sprintf(buf, "\n"); -+ else { -+ step -= 2; -+ -+ mutex_lock(&yaffs_context_lock); -+ -+ /* Locate and print the Nth entry. Order N-squared but N is small. */ -+ list_for_each(item, &yaffs_context_list) { -+ struct yaffs_linux_context *dc = -+ list_entry(item, struct yaffs_linux_context, -+ context_list); -+ struct yaffs_dev *dev = dc->dev; -+ -+ if (n < (step & ~1)) { -+ n += 2; -+ continue; -+ } -+ if ((step & 1) == 0) { -+ buf += -+ sprintf(buf, "\nDevice %d \"%s\"\n", n, -+ dev->param.name); -+ buf = yaffs_dump_dev_part0(buf, dev); -+ } else { -+ buf = yaffs_dump_dev_part1(buf, dev); -+ } -+ -+ break; -+ } -+ mutex_unlock(&yaffs_context_lock); -+ } -+ -+ return buf - page < count ? buf - page : count; -+} -+ -+/** -+ * Set the verbosity of the warnings and error messages. -+ * -+ * Note that the names can only be a..z or _ with the current code. -+ */ -+ -+static struct { -+ char *mask_name; -+ unsigned mask_bitfield; -+} mask_flags[] = { -+ {"allocate", YAFFS_TRACE_ALLOCATE}, -+ {"always", YAFFS_TRACE_ALWAYS}, -+ {"background", YAFFS_TRACE_BACKGROUND}, -+ {"bad_blocks", YAFFS_TRACE_BAD_BLOCKS}, -+ {"buffers", YAFFS_TRACE_BUFFERS}, -+ {"bug", YAFFS_TRACE_BUG}, -+ {"checkpt", YAFFS_TRACE_CHECKPOINT}, -+ {"deletion", YAFFS_TRACE_DELETION}, -+ {"erase", YAFFS_TRACE_ERASE}, -+ {"error", YAFFS_TRACE_ERROR}, -+ {"gc_detail", YAFFS_TRACE_GC_DETAIL}, -+ {"gc", YAFFS_TRACE_GC}, -+ {"lock", YAFFS_TRACE_LOCK}, -+ {"mtd", YAFFS_TRACE_MTD}, -+ {"nandaccess", YAFFS_TRACE_NANDACCESS}, -+ {"os", YAFFS_TRACE_OS}, -+ {"scan_debug", YAFFS_TRACE_SCAN_DEBUG}, -+ {"scan", YAFFS_TRACE_SCAN}, -+ {"mount", YAFFS_TRACE_MOUNT}, -+ {"tracing", YAFFS_TRACE_TRACING}, -+ {"sync", YAFFS_TRACE_SYNC}, -+ {"write", YAFFS_TRACE_WRITE}, -+ {"verify", YAFFS_TRACE_VERIFY}, -+ {"verify_nand", YAFFS_TRACE_VERIFY_NAND}, -+ {"verify_full", YAFFS_TRACE_VERIFY_FULL}, -+ {"verify_all", YAFFS_TRACE_VERIFY_ALL}, -+ {"all", 0xffffffff}, -+ {"none", 0}, -+ {NULL, 0}, -+}; -+ -+#define MAX_MASK_NAME_LENGTH 40 -+static int yaffs_proc_write_trace_options(struct file *file, const char *buf, -+ unsigned long count, void *data) -+{ -+ unsigned rg = 0, mask_bitfield; -+ char *end; -+ char *mask_name; -+ const char *x; -+ char substring[MAX_MASK_NAME_LENGTH + 1]; -+ int i; -+ int done = 0; -+ int add, len = 0; -+ int pos = 0; -+ -+ rg = yaffs_trace_mask; -+ -+ while (!done && (pos < count)) { -+ done = 1; -+ while ((pos < count) && isspace(buf[pos])) -+ pos++; -+ -+ switch (buf[pos]) { -+ case '+': -+ case '-': -+ case '=': -+ add = buf[pos]; -+ pos++; -+ break; -+ -+ default: -+ add = ' '; -+ break; -+ } -+ mask_name = NULL; -+ -+ mask_bitfield = simple_strtoul(buf + pos, &end, 0); -+ -+ if (end > buf + pos) { -+ mask_name = "numeral"; -+ len = end - (buf + pos); -+ pos += len; -+ done = 0; -+ } else { -+ for (x = buf + pos, i = 0; -+ (*x == '_' || (*x >= 'a' && *x <= 'z')) && -+ i < MAX_MASK_NAME_LENGTH; x++, i++, pos++) -+ substring[i] = *x; -+ substring[i] = '\0'; -+ -+ for (i = 0; mask_flags[i].mask_name != NULL; i++) { -+ if (strcmp(substring, mask_flags[i].mask_name) -+ == 0) { -+ mask_name = mask_flags[i].mask_name; -+ mask_bitfield = -+ mask_flags[i].mask_bitfield; -+ done = 0; -+ break; -+ } -+ } -+ } -+ -+ if (mask_name != NULL) { -+ done = 0; -+ switch (add) { -+ case '-': -+ rg &= ~mask_bitfield; -+ break; -+ case '+': -+ rg |= mask_bitfield; -+ break; -+ case '=': -+ rg = mask_bitfield; -+ break; -+ default: -+ rg |= mask_bitfield; -+ break; -+ } -+ } -+ } -+ -+ yaffs_trace_mask = rg | YAFFS_TRACE_ALWAYS; -+ -+ printk(KERN_DEBUG "new trace = 0x%08X\n", yaffs_trace_mask); -+ -+ if (rg & YAFFS_TRACE_ALWAYS) { -+ for (i = 0; mask_flags[i].mask_name != NULL; i++) { -+ char flag; -+ flag = ((rg & mask_flags[i].mask_bitfield) == -+ mask_flags[i].mask_bitfield) ? '+' : '-'; -+ printk(KERN_DEBUG "%c%s\n", flag, -+ mask_flags[i].mask_name); -+ } -+ } -+ -+ return count; -+} -+ -+/* Debug strings are of the form: -+ * .bnnn print info on block n -+ * .cobjn,chunkn print nand chunk id for objn:chunkn -+ */ -+ -+static int yaffs_proc_debug_write(struct file *file, const char *buf, -+ unsigned long count, void *data) -+{ -+ -+ char str[100]; -+ char *p0; -+ char *p1; -+ long p1_val; -+ long p0_val; -+ char cmd; -+ struct list_head *item; -+ -+ memset(str, 0, sizeof(str)); -+ memcpy(str, buf, min(count, sizeof(str) -1)); -+ -+ cmd = str[1]; -+ -+ p0 = str + 2; -+ -+ p1 = p0; -+ -+ while (*p1 && *p1 != ',') { -+ p1++; -+ } -+ *p1 = '\0'; -+ p1++; -+ -+ p0_val = simple_strtol(p0, NULL, 0); -+ p1_val = simple_strtol(p1, NULL, 0); -+ -+ -+ mutex_lock(&yaffs_context_lock); -+ -+ /* Locate and print the Nth entry. Order N-squared but N is small. */ -+ list_for_each(item, &yaffs_context_list) { -+ struct yaffs_linux_context *dc = -+ list_entry(item, struct yaffs_linux_context, -+ context_list); -+ struct yaffs_dev *dev = dc->dev; -+ -+ if (cmd == 'b') { -+ struct yaffs_block_info *bi; -+ -+ bi = yaffs_get_block_info(dev,p0_val); -+ -+ if(bi) { -+ printk("Block %d: state %d, retire %d, use %d, seq %d\n", -+ (int)p0_val, bi->block_state, -+ bi->needs_retiring, bi->pages_in_use, -+ bi->seq_number); -+ } -+ } else if (cmd == 'c') { -+ struct yaffs_obj *obj; -+ int nand_chunk; -+ -+ obj = yaffs_find_by_number(dev, p0_val); -+ if (!obj) -+ printk("No obj %d\n", (int)p0_val); -+ else { -+ if(p1_val == 0) -+ nand_chunk = obj->hdr_chunk; -+ else -+ nand_chunk = -+ yaffs_find_chunk_in_file(obj, -+ p1_val, NULL); -+ printk("Nand chunk for %d:%d is %d\n", -+ (int)p0_val, (int)p1_val, nand_chunk); -+ } -+ } -+ } -+ -+ mutex_unlock(&yaffs_context_lock); -+ -+ return count; -+} -+ -+static int yaffs_proc_write(struct file *file, const char *buf, -+ unsigned long count, void *data) -+{ -+ if (buf[0] == '.') -+ return yaffs_proc_debug_write(file, buf, count, data); -+ return yaffs_proc_write_trace_options(file, buf, count, data); -+} -+#endif /* (LINUX_VERSION_CODE < KERNEL_VERSION(3, 9, 0)) */ -+ -+/* Stuff to handle installation of file systems */ -+struct file_system_to_install { -+ struct file_system_type *fst; -+ int installed; -+}; -+ -+static struct file_system_to_install fs_to_install[] = { -+ {&yaffs_fs_type, 0}, -+ {&yaffs2_fs_type, 0}, -+ {NULL, 0} -+}; -+ -+static int __init init_yaffs_fs(void) -+{ -+ int error = 0; -+ struct file_system_to_install *fsinst; -+ -+ yaffs_trace(YAFFS_TRACE_ALWAYS, -+ "yaffs built " __DATE__ " " __TIME__ " Installing."); -+ -+ mutex_init(&yaffs_context_lock); -+ -+#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 9, 0)) -+ /* Install the proc_fs entries */ -+ my_proc_entry = create_proc_entry("yaffs", -+ S_IRUGO | S_IFREG, YPROC_ROOT); -+ -+ if (my_proc_entry) { -+ my_proc_entry->write_proc = yaffs_proc_write; -+ my_proc_entry->read_proc = yaffs_proc_read; -+ my_proc_entry->data = NULL; -+ } else { -+ return -ENOMEM; -+ } -+#endif -+ -+ /* Now add the file system entries */ -+ -+ fsinst = fs_to_install; -+ -+ while (fsinst->fst && !error) { -+ error = register_filesystem(fsinst->fst); -+ if (!error) -+ fsinst->installed = 1; -+ fsinst++; -+ } -+ -+ /* Any errors? uninstall */ -+ if (error) { -+ fsinst = fs_to_install; -+ -+ while (fsinst->fst) { -+ if (fsinst->installed) { -+ unregister_filesystem(fsinst->fst); -+ fsinst->installed = 0; -+ } -+ fsinst++; -+ } -+ } -+ -+ return error; -+} -+ -+static void __exit exit_yaffs_fs(void) -+{ -+ -+ struct file_system_to_install *fsinst; -+ -+ yaffs_trace(YAFFS_TRACE_ALWAYS, -+ "yaffs built " __DATE__ " " __TIME__ " removing."); -+ -+#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 9, 0)) -+ remove_proc_entry("yaffs", YPROC_ROOT); -+#endif -+ -+ fsinst = fs_to_install; -+ -+ while (fsinst->fst) { -+ if (fsinst->installed) { -+ unregister_filesystem(fsinst->fst); -+ fsinst->installed = 0; -+ } -+ fsinst++; -+ } -+} -+ -+module_init(init_yaffs_fs) -+ module_exit(exit_yaffs_fs) -+ -+ MODULE_DESCRIPTION("YAFFS2 - a NAND specific flash file system"); -+MODULE_AUTHOR("Charles Manning, Aleph One Ltd., 2002-2011"); -+MODULE_LICENSE("GPL"); -diff -Nur linux-3.15-rc5.orig/fs/yaffs2/yaffs_yaffs1.c linux-3.15-rc5/fs/yaffs2/yaffs_yaffs1.c ---- linux-3.15-rc5.orig/fs/yaffs2/yaffs_yaffs1.c 1970-01-01 01:00:00.000000000 +0100 -+++ linux-3.15-rc5/fs/yaffs2/yaffs_yaffs1.c 2014-05-17 01:53:27.000000000 +0200 -@@ -0,0 +1,422 @@ -+/* -+ * YAFFS: Yet Another Flash File System. A NAND-flash specific file system. -+ * -+ * Copyright (C) 2002-2011 Aleph One Ltd. -+ * for Toby Churchill Ltd and Brightstar Engineering -+ * -+ * Created by Charles Manning -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+#include "yaffs_yaffs1.h" -+#include "yportenv.h" -+#include "yaffs_trace.h" -+#include "yaffs_bitmap.h" -+#include "yaffs_getblockinfo.h" -+#include "yaffs_nand.h" -+#include "yaffs_attribs.h" -+ -+int yaffs1_scan(struct yaffs_dev *dev) -+{ -+ struct yaffs_ext_tags tags; -+ int blk; -+ int result; -+ int chunk; -+ int c; -+ int deleted; -+ enum yaffs_block_state state; -+ LIST_HEAD(hard_list); -+ struct yaffs_block_info *bi; -+ u32 seq_number; -+ struct yaffs_obj_hdr *oh; -+ struct yaffs_obj *in; -+ struct yaffs_obj *parent; -+ int alloc_failed = 0; -+ struct yaffs_shadow_fixer *shadow_fixers = NULL; -+ u8 *chunk_data; -+ -+ yaffs_trace(YAFFS_TRACE_SCAN, -+ "yaffs1_scan starts intstartblk %d intendblk %d...", -+ dev->internal_start_block, dev->internal_end_block); -+ -+ chunk_data = yaffs_get_temp_buffer(dev); -+ -+ dev->seq_number = YAFFS_LOWEST_SEQUENCE_NUMBER; -+ -+ /* Scan all the blocks to determine their state */ -+ bi = dev->block_info; -+ for (blk = dev->internal_start_block; blk <= dev->internal_end_block; -+ blk++) { -+ yaffs_clear_chunk_bits(dev, blk); -+ bi->pages_in_use = 0; -+ bi->soft_del_pages = 0; -+ -+ yaffs_query_init_block_state(dev, blk, &state, &seq_number); -+ -+ bi->block_state = state; -+ bi->seq_number = seq_number; -+ -+ if (bi->seq_number == YAFFS_SEQUENCE_BAD_BLOCK) -+ bi->block_state = state = YAFFS_BLOCK_STATE_DEAD; -+ -+ yaffs_trace(YAFFS_TRACE_SCAN_DEBUG, -+ "Block scanning block %d state %d seq %d", -+ blk, state, seq_number); -+ -+ if (state == YAFFS_BLOCK_STATE_DEAD) { -+ yaffs_trace(YAFFS_TRACE_BAD_BLOCKS, -+ "block %d is bad", blk); -+ } else if (state == YAFFS_BLOCK_STATE_EMPTY) { -+ yaffs_trace(YAFFS_TRACE_SCAN_DEBUG, "Block empty "); -+ dev->n_erased_blocks++; -+ dev->n_free_chunks += dev->param.chunks_per_block; -+ } -+ bi++; -+ } -+ -+ /* For each block.... */ -+ for (blk = dev->internal_start_block; -+ !alloc_failed && blk <= dev->internal_end_block; blk++) { -+ -+ cond_resched(); -+ -+ bi = yaffs_get_block_info(dev, blk); -+ state = bi->block_state; -+ -+ deleted = 0; -+ -+ /* For each chunk in each block that needs scanning.... */ -+ for (c = 0; -+ !alloc_failed && c < dev->param.chunks_per_block && -+ state == YAFFS_BLOCK_STATE_NEEDS_SCAN; c++) { -+ /* Read the tags and decide what to do */ -+ chunk = blk * dev->param.chunks_per_block + c; -+ -+ result = yaffs_rd_chunk_tags_nand(dev, chunk, NULL, -+ &tags); -+ -+ /* Let's have a good look at this chunk... */ -+ -+ if (tags.ecc_result == YAFFS_ECC_RESULT_UNFIXED || -+ tags.is_deleted) { -+ /* YAFFS1 only... -+ * A deleted chunk -+ */ -+ deleted++; -+ dev->n_free_chunks++; -+ } else if (!tags.chunk_used) { -+ /* An unassigned chunk in the block -+ * This means that either the block is empty or -+ * this is the one being allocated from -+ */ -+ -+ if (c == 0) { -+ /* We're looking at the first chunk in -+ *the block so the block is unused */ -+ state = YAFFS_BLOCK_STATE_EMPTY; -+ dev->n_erased_blocks++; -+ } else { -+ /* this is the block being allocated */ -+ yaffs_trace(YAFFS_TRACE_SCAN, -+ " Allocating from %d %d", -+ blk, c); -+ state = YAFFS_BLOCK_STATE_ALLOCATING; -+ dev->alloc_block = blk; -+ dev->alloc_page = c; -+ dev->alloc_block_finder = blk; -+ -+ } -+ -+ dev->n_free_chunks += -+ (dev->param.chunks_per_block - c); -+ } else if (tags.chunk_id > 0) { -+ /* chunk_id > 0 so it is a data chunk... */ -+ unsigned int endpos; -+ -+ yaffs_set_chunk_bit(dev, blk, c); -+ bi->pages_in_use++; -+ -+ in = yaffs_find_or_create_by_number(dev, -+ tags.obj_id, -+ YAFFS_OBJECT_TYPE_FILE); -+ /* PutChunkIntoFile checks for a clash -+ * (two data chunks with the same chunk_id). -+ */ -+ -+ if (!in) -+ alloc_failed = 1; -+ -+ if (in) { -+ if (!yaffs_put_chunk_in_file -+ (in, tags.chunk_id, chunk, 1)) -+ alloc_failed = 1; -+ } -+ -+ endpos = -+ (tags.chunk_id - 1) * -+ dev->data_bytes_per_chunk + -+ tags.n_bytes; -+ if (in && -+ in->variant_type == -+ YAFFS_OBJECT_TYPE_FILE && -+ in->variant.file_variant.scanned_size < -+ endpos) { -+ in->variant.file_variant.scanned_size = -+ endpos; -+ if (!dev->param.use_header_file_size) { -+ in->variant. -+ file_variant.file_size = -+ in->variant. -+ file_variant.scanned_size; -+ } -+ -+ } -+ } else { -+ /* chunk_id == 0, so it is an ObjectHeader. -+ * Make the object -+ */ -+ yaffs_set_chunk_bit(dev, blk, c); -+ bi->pages_in_use++; -+ -+ result = yaffs_rd_chunk_tags_nand(dev, chunk, -+ chunk_data, -+ NULL); -+ -+ oh = (struct yaffs_obj_hdr *)chunk_data; -+ -+ in = yaffs_find_by_number(dev, tags.obj_id); -+ if (in && in->variant_type != oh->type) { -+ /* This should not happen, but somehow -+ * Wev'e ended up with an obj_id that -+ * has been reused but not yet deleted, -+ * and worse still it has changed type. -+ * Delete the old object. -+ */ -+ -+ yaffs_del_obj(in); -+ in = NULL; -+ } -+ -+ in = yaffs_find_or_create_by_number(dev, -+ tags.obj_id, -+ oh->type); -+ -+ if (!in) -+ alloc_failed = 1; -+ -+ if (in && oh->shadows_obj > 0) { -+ -+ struct yaffs_shadow_fixer *fixer; -+ fixer = -+ kmalloc(sizeof -+ (struct yaffs_shadow_fixer), -+ GFP_NOFS); -+ if (fixer) { -+ fixer->next = shadow_fixers; -+ shadow_fixers = fixer; -+ fixer->obj_id = tags.obj_id; -+ fixer->shadowed_id = -+ oh->shadows_obj; -+ yaffs_trace(YAFFS_TRACE_SCAN, -+ " Shadow fixer: %d shadows %d", -+ fixer->obj_id, -+ fixer->shadowed_id); -+ -+ } -+ -+ } -+ -+ if (in && in->valid) { -+ /* We have already filled this one. -+ * We have a duplicate and need to -+ * resolve it. */ -+ -+ unsigned existing_serial = in->serial; -+ unsigned new_serial = -+ tags.serial_number; -+ -+ if (((existing_serial + 1) & 3) == -+ new_serial) { -+ /* Use new one - destroy the -+ * exisiting one */ -+ yaffs_chunk_del(dev, -+ in->hdr_chunk, -+ 1, __LINE__); -+ in->valid = 0; -+ } else { -+ /* Use existing - destroy -+ * this one. */ -+ yaffs_chunk_del(dev, chunk, 1, -+ __LINE__); -+ } -+ } -+ -+ if (in && !in->valid && -+ (tags.obj_id == YAFFS_OBJECTID_ROOT || -+ tags.obj_id == -+ YAFFS_OBJECTID_LOSTNFOUND)) { -+ /* We only load some info, don't fiddle -+ * with directory structure */ -+ in->valid = 1; -+ in->variant_type = oh->type; -+ -+ in->yst_mode = oh->yst_mode; -+ yaffs_load_attribs(in, oh); -+ in->hdr_chunk = chunk; -+ in->serial = tags.serial_number; -+ -+ } else if (in && !in->valid) { -+ /* we need to load this info */ -+ -+ in->valid = 1; -+ in->variant_type = oh->type; -+ -+ in->yst_mode = oh->yst_mode; -+ yaffs_load_attribs(in, oh); -+ in->hdr_chunk = chunk; -+ in->serial = tags.serial_number; -+ -+ yaffs_set_obj_name_from_oh(in, oh); -+ in->dirty = 0; -+ -+ /* directory stuff... -+ * hook up to parent -+ */ -+ -+ parent = -+ yaffs_find_or_create_by_number -+ (dev, oh->parent_obj_id, -+ YAFFS_OBJECT_TYPE_DIRECTORY); -+ if (!parent) -+ alloc_failed = 1; -+ if (parent && parent->variant_type == -+ YAFFS_OBJECT_TYPE_UNKNOWN) { -+ /* Set up as a directory */ -+ parent->variant_type = -+ YAFFS_OBJECT_TYPE_DIRECTORY; -+ INIT_LIST_HEAD(&parent-> -+ variant.dir_variant. -+ children); -+ } else if (!parent || -+ parent->variant_type != -+ YAFFS_OBJECT_TYPE_DIRECTORY) { -+ /* Hoosterman, a problem.... -+ * We're trying to use a -+ * non-directory as a directory -+ */ -+ -+ yaffs_trace(YAFFS_TRACE_ERROR, -+ "yaffs tragedy: attempting to use non-directory as a directory in scan. Put in lost+found." -+ ); -+ parent = dev->lost_n_found; -+ } -+ -+ yaffs_add_obj_to_dir(parent, in); -+ -+ switch (in->variant_type) { -+ case YAFFS_OBJECT_TYPE_UNKNOWN: -+ /* Todo got a problem */ -+ break; -+ case YAFFS_OBJECT_TYPE_FILE: -+ if (dev->param. -+ use_header_file_size) -+ in->variant. -+ file_variant.file_size -+ = yaffs_oh_to_size(oh); -+ break; -+ case YAFFS_OBJECT_TYPE_HARDLINK: -+ in->variant. -+ hardlink_variant.equiv_id = -+ oh->equiv_id; -+ list_add(&in->hard_links, -+ &hard_list); -+ break; -+ case YAFFS_OBJECT_TYPE_DIRECTORY: -+ /* Do nothing */ -+ break; -+ case YAFFS_OBJECT_TYPE_SPECIAL: -+ /* Do nothing */ -+ break; -+ case YAFFS_OBJECT_TYPE_SYMLINK: -+ in->variant.symlink_variant. -+ alias = -+ yaffs_clone_str(oh->alias); -+ if (!in->variant. -+ symlink_variant.alias) -+ alloc_failed = 1; -+ break; -+ } -+ } -+ } -+ } -+ -+ if (state == YAFFS_BLOCK_STATE_NEEDS_SCAN) { -+ /* If we got this far while scanning, -+ * then the block is fully allocated. */ -+ state = YAFFS_BLOCK_STATE_FULL; -+ } -+ -+ if (state == YAFFS_BLOCK_STATE_ALLOCATING) { -+ /* If the block was partially allocated then -+ * treat it as fully allocated. */ -+ state = YAFFS_BLOCK_STATE_FULL; -+ dev->alloc_block = -1; -+ } -+ -+ bi->block_state = state; -+ -+ /* Now let's see if it was dirty */ -+ if (bi->pages_in_use == 0 && -+ !bi->has_shrink_hdr && -+ bi->block_state == YAFFS_BLOCK_STATE_FULL) -+ yaffs_block_became_dirty(dev, blk); -+ } -+ -+ /* Ok, we've done all the scanning. -+ * Fix up the hard link chains. -+ * We should now have scanned all the objects, now it's time to add -+ * these hardlinks. -+ */ -+ -+ yaffs_link_fixup(dev, &hard_list); -+ -+ /* -+ * Fix up any shadowed objects. -+ * There should not be more than one of these. -+ */ -+ { -+ struct yaffs_shadow_fixer *fixer; -+ struct yaffs_obj *obj; -+ -+ while (shadow_fixers) { -+ fixer = shadow_fixers; -+ shadow_fixers = fixer->next; -+ /* Complete the rename transaction by deleting the -+ * shadowed object then setting the object header -+ to unshadowed. -+ */ -+ obj = yaffs_find_by_number(dev, fixer->shadowed_id); -+ if (obj) -+ yaffs_del_obj(obj); -+ -+ obj = yaffs_find_by_number(dev, fixer->obj_id); -+ -+ if (obj) -+ yaffs_update_oh(obj, NULL, 1, 0, 0, NULL); -+ -+ kfree(fixer); -+ } -+ } -+ -+ yaffs_release_temp_buffer(dev, chunk_data); -+ -+ if (alloc_failed) -+ return YAFFS_FAIL; -+ -+ yaffs_trace(YAFFS_TRACE_SCAN, "yaffs1_scan ends"); -+ -+ return YAFFS_OK; -+} -diff -Nur linux-3.15-rc5.orig/fs/yaffs2/yaffs_yaffs1.h linux-3.15-rc5/fs/yaffs2/yaffs_yaffs1.h ---- linux-3.15-rc5.orig/fs/yaffs2/yaffs_yaffs1.h 1970-01-01 01:00:00.000000000 +0100 -+++ linux-3.15-rc5/fs/yaffs2/yaffs_yaffs1.h 2014-05-17 01:53:27.000000000 +0200 -@@ -0,0 +1,22 @@ -+/* -+ * YAFFS: Yet another Flash File System . A NAND-flash specific file system. -+ * -+ * Copyright (C) 2002-2011 Aleph One Ltd. -+ * for Toby Churchill Ltd and Brightstar Engineering -+ * -+ * Created by Charles Manning -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU Lesser General Public License version 2.1 as -+ * published by the Free Software Foundation. -+ * -+ * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL. -+ */ -+ -+#ifndef __YAFFS_YAFFS1_H__ -+#define __YAFFS_YAFFS1_H__ -+ -+#include "yaffs_guts.h" -+int yaffs1_scan(struct yaffs_dev *dev); -+ -+#endif -diff -Nur linux-3.15-rc5.orig/fs/yaffs2/yaffs_yaffs2.c linux-3.15-rc5/fs/yaffs2/yaffs_yaffs2.c ---- linux-3.15-rc5.orig/fs/yaffs2/yaffs_yaffs2.c 1970-01-01 01:00:00.000000000 +0100 -+++ linux-3.15-rc5/fs/yaffs2/yaffs_yaffs2.c 2014-05-17 01:53:27.000000000 +0200 -@@ -0,0 +1,1534 @@ -+/* -+ * YAFFS: Yet Another Flash File System. A NAND-flash specific file system. -+ * -+ * Copyright (C) 2002-2011 Aleph One Ltd. -+ * for Toby Churchill Ltd and Brightstar Engineering -+ * -+ * Created by Charles Manning -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+#include "yaffs_guts.h" -+#include "yaffs_trace.h" -+#include "yaffs_yaffs2.h" -+#include "yaffs_checkptrw.h" -+#include "yaffs_bitmap.h" -+#include "yaffs_nand.h" -+#include "yaffs_getblockinfo.h" -+#include "yaffs_verify.h" -+#include "yaffs_attribs.h" -+#include "yaffs_summary.h" -+ -+/* -+ * Checkpoints are really no benefit on very small partitions. -+ * -+ * To save space on small partitions don't bother with checkpoints unless -+ * the partition is at least this big. -+ */ -+#define YAFFS_CHECKPOINT_MIN_BLOCKS 60 -+#define YAFFS_SMALL_HOLE_THRESHOLD 4 -+ -+/* -+ * Oldest Dirty Sequence Number handling. -+ */ -+ -+/* yaffs_calc_oldest_dirty_seq() -+ * yaffs2_find_oldest_dirty_seq() -+ * Calculate the oldest dirty sequence number if we don't know it. -+ */ -+void yaffs_calc_oldest_dirty_seq(struct yaffs_dev *dev) -+{ -+ int i; -+ unsigned seq; -+ unsigned block_no = 0; -+ struct yaffs_block_info *b; -+ -+ if (!dev->param.is_yaffs2) -+ return; -+ -+ /* Find the oldest dirty sequence number. */ -+ seq = dev->seq_number + 1; -+ b = dev->block_info; -+ for (i = dev->internal_start_block; i <= dev->internal_end_block; i++) { -+ if (b->block_state == YAFFS_BLOCK_STATE_FULL && -+ (b->pages_in_use - b->soft_del_pages) < -+ dev->param.chunks_per_block && -+ b->seq_number < seq) { -+ seq = b->seq_number; -+ block_no = i; -+ } -+ b++; -+ } -+ -+ if (block_no) { -+ dev->oldest_dirty_seq = seq; -+ dev->oldest_dirty_block = block_no; -+ } -+} -+ -+void yaffs2_find_oldest_dirty_seq(struct yaffs_dev *dev) -+{ -+ if (!dev->param.is_yaffs2) -+ return; -+ -+ if (!dev->oldest_dirty_seq) -+ yaffs_calc_oldest_dirty_seq(dev); -+} -+ -+/* -+ * yaffs_clear_oldest_dirty_seq() -+ * Called when a block is erased or marked bad. (ie. when its seq_number -+ * becomes invalid). If the value matches the oldest then we clear -+ * dev->oldest_dirty_seq to force its recomputation. -+ */ -+void yaffs2_clear_oldest_dirty_seq(struct yaffs_dev *dev, -+ struct yaffs_block_info *bi) -+{ -+ -+ if (!dev->param.is_yaffs2) -+ return; -+ -+ if (!bi || bi->seq_number == dev->oldest_dirty_seq) { -+ dev->oldest_dirty_seq = 0; -+ dev->oldest_dirty_block = 0; -+ } -+} -+ -+/* -+ * yaffs2_update_oldest_dirty_seq() -+ * Update the oldest dirty sequence number whenever we dirty a block. -+ * Only do this if the oldest_dirty_seq is actually being tracked. -+ */ -+void yaffs2_update_oldest_dirty_seq(struct yaffs_dev *dev, unsigned block_no, -+ struct yaffs_block_info *bi) -+{ -+ if (!dev->param.is_yaffs2) -+ return; -+ -+ if (dev->oldest_dirty_seq) { -+ if (dev->oldest_dirty_seq > bi->seq_number) { -+ dev->oldest_dirty_seq = bi->seq_number; -+ dev->oldest_dirty_block = block_no; -+ } -+ } -+} -+ -+int yaffs_block_ok_for_gc(struct yaffs_dev *dev, struct yaffs_block_info *bi) -+{ -+ -+ if (!dev->param.is_yaffs2) -+ return 1; /* disqualification only applies to yaffs2. */ -+ -+ if (!bi->has_shrink_hdr) -+ return 1; /* can gc */ -+ -+ yaffs2_find_oldest_dirty_seq(dev); -+ -+ /* Can't do gc of this block if there are any blocks older than this -+ * one that have discarded pages. -+ */ -+ return (bi->seq_number <= dev->oldest_dirty_seq); -+} -+ -+/* -+ * yaffs2_find_refresh_block() -+ * periodically finds the oldest full block by sequence number for refreshing. -+ * Only for yaffs2. -+ */ -+u32 yaffs2_find_refresh_block(struct yaffs_dev *dev) -+{ -+ u32 b; -+ u32 oldest = 0; -+ u32 oldest_seq = 0; -+ struct yaffs_block_info *bi; -+ -+ if (!dev->param.is_yaffs2) -+ return oldest; -+ -+ /* -+ * If refresh period < 10 then refreshing is disabled. -+ */ -+ if (dev->param.refresh_period < 10) -+ return oldest; -+ -+ /* -+ * Fix broken values. -+ */ -+ if (dev->refresh_skip > dev->param.refresh_period) -+ dev->refresh_skip = dev->param.refresh_period; -+ -+ if (dev->refresh_skip > 0) -+ return oldest; -+ -+ /* -+ * Refresh skip is now zero. -+ * We'll do a refresh this time around.... -+ * Update the refresh skip and find the oldest block. -+ */ -+ dev->refresh_skip = dev->param.refresh_period; -+ dev->refresh_count++; -+ bi = dev->block_info; -+ for (b = dev->internal_start_block; b <= dev->internal_end_block; b++) { -+ -+ if (bi->block_state == YAFFS_BLOCK_STATE_FULL) { -+ -+ if (oldest < 1 || bi->seq_number < oldest_seq) { -+ oldest = b; -+ oldest_seq = bi->seq_number; -+ } -+ } -+ bi++; -+ } -+ -+ if (oldest > 0) { -+ yaffs_trace(YAFFS_TRACE_GC, -+ "GC refresh count %d selected block %d with seq_number %d", -+ dev->refresh_count, oldest, oldest_seq); -+ } -+ -+ return oldest; -+} -+ -+int yaffs2_checkpt_required(struct yaffs_dev *dev) -+{ -+ int nblocks; -+ -+ if (!dev->param.is_yaffs2) -+ return 0; -+ -+ nblocks = dev->internal_end_block - dev->internal_start_block + 1; -+ -+ return !dev->param.skip_checkpt_wr && -+ !dev->read_only && (nblocks >= YAFFS_CHECKPOINT_MIN_BLOCKS); -+} -+ -+int yaffs_calc_checkpt_blocks_required(struct yaffs_dev *dev) -+{ -+ int retval; -+ int n_bytes = 0; -+ int n_blocks; -+ int dev_blocks; -+ -+ if (!dev->param.is_yaffs2) -+ return 0; -+ -+ if (!dev->checkpoint_blocks_required && yaffs2_checkpt_required(dev)) { -+ /* Not a valid value so recalculate */ -+ dev_blocks = dev->param.end_block - dev->param.start_block + 1; -+ n_bytes += sizeof(struct yaffs_checkpt_validity); -+ n_bytes += sizeof(struct yaffs_checkpt_dev); -+ n_bytes += dev_blocks * sizeof(struct yaffs_block_info); -+ n_bytes += dev_blocks * dev->chunk_bit_stride; -+ n_bytes += -+ (sizeof(struct yaffs_checkpt_obj) + sizeof(u32)) * -+ dev->n_obj; -+ n_bytes += (dev->tnode_size + sizeof(u32)) * dev->n_tnodes; -+ n_bytes += sizeof(struct yaffs_checkpt_validity); -+ n_bytes += sizeof(u32); /* checksum */ -+ -+ /* Round up and add 2 blocks to allow for some bad blocks, -+ * so add 3 */ -+ -+ n_blocks = -+ (n_bytes / -+ (dev->data_bytes_per_chunk * -+ dev->param.chunks_per_block)) + 3; -+ -+ dev->checkpoint_blocks_required = n_blocks; -+ } -+ -+ retval = dev->checkpoint_blocks_required - dev->blocks_in_checkpt; -+ if (retval < 0) -+ retval = 0; -+ return retval; -+} -+ -+/*--------------------- Checkpointing --------------------*/ -+ -+static int yaffs2_wr_checkpt_validity_marker(struct yaffs_dev *dev, int head) -+{ -+ struct yaffs_checkpt_validity cp; -+ -+ memset(&cp, 0, sizeof(cp)); -+ -+ cp.struct_type = sizeof(cp); -+ cp.magic = YAFFS_MAGIC; -+ cp.version = YAFFS_CHECKPOINT_VERSION; -+ cp.head = (head) ? 1 : 0; -+ -+ return (yaffs2_checkpt_wr(dev, &cp, sizeof(cp)) == sizeof(cp)) ? 1 : 0; -+} -+ -+static int yaffs2_rd_checkpt_validity_marker(struct yaffs_dev *dev, int head) -+{ -+ struct yaffs_checkpt_validity cp; -+ int ok; -+ -+ ok = (yaffs2_checkpt_rd(dev, &cp, sizeof(cp)) == sizeof(cp)); -+ -+ if (ok) -+ ok = (cp.struct_type == sizeof(cp)) && -+ (cp.magic == YAFFS_MAGIC) && -+ (cp.version == YAFFS_CHECKPOINT_VERSION) && -+ (cp.head == ((head) ? 1 : 0)); -+ return ok ? 1 : 0; -+} -+ -+static void yaffs2_dev_to_checkpt_dev(struct yaffs_checkpt_dev *cp, -+ struct yaffs_dev *dev) -+{ -+ cp->n_erased_blocks = dev->n_erased_blocks; -+ cp->alloc_block = dev->alloc_block; -+ cp->alloc_page = dev->alloc_page; -+ cp->n_free_chunks = dev->n_free_chunks; -+ -+ cp->n_deleted_files = dev->n_deleted_files; -+ cp->n_unlinked_files = dev->n_unlinked_files; -+ cp->n_bg_deletions = dev->n_bg_deletions; -+ cp->seq_number = dev->seq_number; -+ -+} -+ -+static void yaffs_checkpt_dev_to_dev(struct yaffs_dev *dev, -+ struct yaffs_checkpt_dev *cp) -+{ -+ dev->n_erased_blocks = cp->n_erased_blocks; -+ dev->alloc_block = cp->alloc_block; -+ dev->alloc_page = cp->alloc_page; -+ dev->n_free_chunks = cp->n_free_chunks; -+ -+ dev->n_deleted_files = cp->n_deleted_files; -+ dev->n_unlinked_files = cp->n_unlinked_files; -+ dev->n_bg_deletions = cp->n_bg_deletions; -+ dev->seq_number = cp->seq_number; -+} -+ -+static int yaffs2_wr_checkpt_dev(struct yaffs_dev *dev) -+{ -+ struct yaffs_checkpt_dev cp; -+ u32 n_bytes; -+ u32 n_blocks = dev->internal_end_block - dev->internal_start_block + 1; -+ int ok; -+ -+ /* Write device runtime values */ -+ yaffs2_dev_to_checkpt_dev(&cp, dev); -+ cp.struct_type = sizeof(cp); -+ -+ ok = (yaffs2_checkpt_wr(dev, &cp, sizeof(cp)) == sizeof(cp)); -+ if (!ok) -+ return 0; -+ -+ /* Write block info */ -+ n_bytes = n_blocks * sizeof(struct yaffs_block_info); -+ ok = (yaffs2_checkpt_wr(dev, dev->block_info, n_bytes) == n_bytes); -+ if (!ok) -+ return 0; -+ -+ /* Write chunk bits */ -+ n_bytes = n_blocks * dev->chunk_bit_stride; -+ ok = (yaffs2_checkpt_wr(dev, dev->chunk_bits, n_bytes) == n_bytes); -+ -+ return ok ? 1 : 0; -+} -+ -+static int yaffs2_rd_checkpt_dev(struct yaffs_dev *dev) -+{ -+ struct yaffs_checkpt_dev cp; -+ u32 n_bytes; -+ u32 n_blocks = -+ (dev->internal_end_block - dev->internal_start_block + 1); -+ int ok; -+ -+ ok = (yaffs2_checkpt_rd(dev, &cp, sizeof(cp)) == sizeof(cp)); -+ if (!ok) -+ return 0; -+ -+ if (cp.struct_type != sizeof(cp)) -+ return 0; -+ -+ yaffs_checkpt_dev_to_dev(dev, &cp); -+ -+ n_bytes = n_blocks * sizeof(struct yaffs_block_info); -+ -+ ok = (yaffs2_checkpt_rd(dev, dev->block_info, n_bytes) == n_bytes); -+ -+ if (!ok) -+ return 0; -+ -+ n_bytes = n_blocks * dev->chunk_bit_stride; -+ -+ ok = (yaffs2_checkpt_rd(dev, dev->chunk_bits, n_bytes) == n_bytes); -+ -+ return ok ? 1 : 0; -+} -+ -+static void yaffs2_obj_checkpt_obj(struct yaffs_checkpt_obj *cp, -+ struct yaffs_obj *obj) -+{ -+ cp->obj_id = obj->obj_id; -+ cp->parent_id = (obj->parent) ? obj->parent->obj_id : 0; -+ cp->hdr_chunk = obj->hdr_chunk; -+ cp->variant_type = obj->variant_type; -+ cp->deleted = obj->deleted; -+ cp->soft_del = obj->soft_del; -+ cp->unlinked = obj->unlinked; -+ cp->fake = obj->fake; -+ cp->rename_allowed = obj->rename_allowed; -+ cp->unlink_allowed = obj->unlink_allowed; -+ cp->serial = obj->serial; -+ cp->n_data_chunks = obj->n_data_chunks; -+ -+ if (obj->variant_type == YAFFS_OBJECT_TYPE_FILE) -+ cp->size_or_equiv_obj = obj->variant.file_variant.file_size; -+ else if (obj->variant_type == YAFFS_OBJECT_TYPE_HARDLINK) -+ cp->size_or_equiv_obj = obj->variant.hardlink_variant.equiv_id; -+} -+ -+static int yaffs2_checkpt_obj_to_obj(struct yaffs_obj *obj, -+ struct yaffs_checkpt_obj *cp) -+{ -+ struct yaffs_obj *parent; -+ -+ if (obj->variant_type != cp->variant_type) { -+ yaffs_trace(YAFFS_TRACE_ERROR, -+ "Checkpoint read object %d type %d chunk %d does not match existing object type %d", -+ cp->obj_id, cp->variant_type, cp->hdr_chunk, -+ obj->variant_type); -+ return 0; -+ } -+ -+ obj->obj_id = cp->obj_id; -+ -+ if (cp->parent_id) -+ parent = yaffs_find_or_create_by_number(obj->my_dev, -+ cp->parent_id, -+ YAFFS_OBJECT_TYPE_DIRECTORY); -+ else -+ parent = NULL; -+ -+ if (parent) { -+ if (parent->variant_type != YAFFS_OBJECT_TYPE_DIRECTORY) { -+ yaffs_trace(YAFFS_TRACE_ALWAYS, -+ "Checkpoint read object %d parent %d type %d chunk %d Parent type, %d, not directory", -+ cp->obj_id, cp->parent_id, -+ cp->variant_type, cp->hdr_chunk, -+ parent->variant_type); -+ return 0; -+ } -+ yaffs_add_obj_to_dir(parent, obj); -+ } -+ -+ obj->hdr_chunk = cp->hdr_chunk; -+ obj->variant_type = cp->variant_type; -+ obj->deleted = cp->deleted; -+ obj->soft_del = cp->soft_del; -+ obj->unlinked = cp->unlinked; -+ obj->fake = cp->fake; -+ obj->rename_allowed = cp->rename_allowed; -+ obj->unlink_allowed = cp->unlink_allowed; -+ obj->serial = cp->serial; -+ obj->n_data_chunks = cp->n_data_chunks; -+ -+ if (obj->variant_type == YAFFS_OBJECT_TYPE_FILE) -+ obj->variant.file_variant.file_size = cp->size_or_equiv_obj; -+ else if (obj->variant_type == YAFFS_OBJECT_TYPE_HARDLINK) -+ obj->variant.hardlink_variant.equiv_id = cp->size_or_equiv_obj; -+ -+ if (obj->hdr_chunk > 0) -+ obj->lazy_loaded = 1; -+ return 1; -+} -+ -+static int yaffs2_checkpt_tnode_worker(struct yaffs_obj *in, -+ struct yaffs_tnode *tn, u32 level, -+ int chunk_offset) -+{ -+ int i; -+ struct yaffs_dev *dev = in->my_dev; -+ int ok = 1; -+ u32 base_offset; -+ -+ if (!tn) -+ return 1; -+ -+ if (level > 0) { -+ for (i = 0; i < YAFFS_NTNODES_INTERNAL && ok; i++) { -+ if (!tn->internal[i]) -+ continue; -+ ok = yaffs2_checkpt_tnode_worker(in, -+ tn->internal[i], -+ level - 1, -+ (chunk_offset << -+ YAFFS_TNODES_INTERNAL_BITS) + i); -+ } -+ return ok; -+ } -+ -+ /* Level 0 tnode */ -+ base_offset = chunk_offset << YAFFS_TNODES_LEVEL0_BITS; -+ ok = (yaffs2_checkpt_wr(dev, &base_offset, sizeof(base_offset)) == -+ sizeof(base_offset)); -+ if (ok) -+ ok = (yaffs2_checkpt_wr(dev, tn, dev->tnode_size) == -+ dev->tnode_size); -+ -+ return ok; -+} -+ -+static int yaffs2_wr_checkpt_tnodes(struct yaffs_obj *obj) -+{ -+ u32 end_marker = ~0; -+ int ok = 1; -+ -+ if (obj->variant_type != YAFFS_OBJECT_TYPE_FILE) -+ return ok; -+ -+ ok = yaffs2_checkpt_tnode_worker(obj, -+ obj->variant.file_variant.top, -+ obj->variant.file_variant. -+ top_level, 0); -+ if (ok) -+ ok = (yaffs2_checkpt_wr(obj->my_dev, &end_marker, -+ sizeof(end_marker)) == sizeof(end_marker)); -+ -+ return ok ? 1 : 0; -+} -+ -+static int yaffs2_rd_checkpt_tnodes(struct yaffs_obj *obj) -+{ -+ u32 base_chunk; -+ int ok = 1; -+ struct yaffs_dev *dev = obj->my_dev; -+ struct yaffs_file_var *file_stuct_ptr = &obj->variant.file_variant; -+ struct yaffs_tnode *tn; -+ int nread = 0; -+ -+ ok = (yaffs2_checkpt_rd(dev, &base_chunk, sizeof(base_chunk)) == -+ sizeof(base_chunk)); -+ -+ while (ok && (~base_chunk)) { -+ nread++; -+ /* Read level 0 tnode */ -+ -+ tn = yaffs_get_tnode(dev); -+ if (tn) -+ ok = (yaffs2_checkpt_rd(dev, tn, dev->tnode_size) == -+ dev->tnode_size); -+ else -+ ok = 0; -+ -+ if (tn && ok) -+ ok = yaffs_add_find_tnode_0(dev, -+ file_stuct_ptr, -+ base_chunk, tn) ? 1 : 0; -+ -+ if (ok) -+ ok = (yaffs2_checkpt_rd -+ (dev, &base_chunk, -+ sizeof(base_chunk)) == sizeof(base_chunk)); -+ } -+ -+ yaffs_trace(YAFFS_TRACE_CHECKPOINT, -+ "Checkpoint read tnodes %d records, last %d. ok %d", -+ nread, base_chunk, ok); -+ -+ return ok ? 1 : 0; -+} -+ -+static int yaffs2_wr_checkpt_objs(struct yaffs_dev *dev) -+{ -+ struct yaffs_obj *obj; -+ struct yaffs_checkpt_obj cp; -+ int i; -+ int ok = 1; -+ struct list_head *lh; -+ -+ /* Iterate through the objects in each hash entry, -+ * dumping them to the checkpointing stream. -+ */ -+ -+ for (i = 0; ok && i < YAFFS_NOBJECT_BUCKETS; i++) { -+ list_for_each(lh, &dev->obj_bucket[i].list) { -+ obj = list_entry(lh, struct yaffs_obj, hash_link); -+ if (!obj->defered_free) { -+ yaffs2_obj_checkpt_obj(&cp, obj); -+ cp.struct_type = sizeof(cp); -+ -+ yaffs_trace(YAFFS_TRACE_CHECKPOINT, -+ "Checkpoint write object %d parent %d type %d chunk %d obj addr %p", -+ cp.obj_id, cp.parent_id, -+ cp.variant_type, cp.hdr_chunk, obj); -+ -+ ok = (yaffs2_checkpt_wr(dev, &cp, -+ sizeof(cp)) == sizeof(cp)); -+ -+ if (ok && -+ obj->variant_type == -+ YAFFS_OBJECT_TYPE_FILE) -+ ok = yaffs2_wr_checkpt_tnodes(obj); -+ } -+ } -+ } -+ -+ /* Dump end of list */ -+ memset(&cp, 0xff, sizeof(struct yaffs_checkpt_obj)); -+ cp.struct_type = sizeof(cp); -+ -+ if (ok) -+ ok = (yaffs2_checkpt_wr(dev, &cp, sizeof(cp)) == sizeof(cp)); -+ -+ return ok ? 1 : 0; -+} -+ -+static int yaffs2_rd_checkpt_objs(struct yaffs_dev *dev) -+{ -+ struct yaffs_obj *obj; -+ struct yaffs_checkpt_obj cp; -+ int ok = 1; -+ int done = 0; -+ LIST_HEAD(hard_list); -+ -+ -+ while (ok && !done) { -+ ok = (yaffs2_checkpt_rd(dev, &cp, sizeof(cp)) == sizeof(cp)); -+ if (cp.struct_type != sizeof(cp)) { -+ yaffs_trace(YAFFS_TRACE_CHECKPOINT, -+ "struct size %d instead of %d ok %d", -+ cp.struct_type, (int)sizeof(cp), ok); -+ ok = 0; -+ } -+ -+ yaffs_trace(YAFFS_TRACE_CHECKPOINT, -+ "Checkpoint read object %d parent %d type %d chunk %d ", -+ cp.obj_id, cp.parent_id, cp.variant_type, -+ cp.hdr_chunk); -+ -+ if (ok && cp.obj_id == ~0) { -+ done = 1; -+ } else if (ok) { -+ obj = -+ yaffs_find_or_create_by_number(dev, cp.obj_id, -+ cp.variant_type); -+ if (obj) { -+ ok = yaffs2_checkpt_obj_to_obj(obj, &cp); -+ if (!ok) -+ break; -+ if (obj->variant_type == -+ YAFFS_OBJECT_TYPE_FILE) { -+ ok = yaffs2_rd_checkpt_tnodes(obj); -+ } else if (obj->variant_type == -+ YAFFS_OBJECT_TYPE_HARDLINK) { -+ list_add(&obj->hard_links, &hard_list); -+ } -+ } else { -+ ok = 0; -+ } -+ } -+ } -+ -+ if (ok) -+ yaffs_link_fixup(dev, &hard_list); -+ -+ return ok ? 1 : 0; -+} -+ -+static int yaffs2_wr_checkpt_sum(struct yaffs_dev *dev) -+{ -+ u32 checkpt_sum; -+ int ok; -+ -+ yaffs2_get_checkpt_sum(dev, &checkpt_sum); -+ -+ ok = (yaffs2_checkpt_wr(dev, &checkpt_sum, sizeof(checkpt_sum)) == -+ sizeof(checkpt_sum)); -+ -+ if (!ok) -+ return 0; -+ -+ return 1; -+} -+ -+static int yaffs2_rd_checkpt_sum(struct yaffs_dev *dev) -+{ -+ u32 checkpt_sum0; -+ u32 checkpt_sum1; -+ int ok; -+ -+ yaffs2_get_checkpt_sum(dev, &checkpt_sum0); -+ -+ ok = (yaffs2_checkpt_rd(dev, &checkpt_sum1, sizeof(checkpt_sum1)) == -+ sizeof(checkpt_sum1)); -+ -+ if (!ok) -+ return 0; -+ -+ if (checkpt_sum0 != checkpt_sum1) -+ return 0; -+ -+ return 1; -+} -+ -+static int yaffs2_wr_checkpt_data(struct yaffs_dev *dev) -+{ -+ int ok = 1; -+ -+ if (!yaffs2_checkpt_required(dev)) { -+ yaffs_trace(YAFFS_TRACE_CHECKPOINT, -+ "skipping checkpoint write"); -+ ok = 0; -+ } -+ -+ if (ok) -+ ok = yaffs2_checkpt_open(dev, 1); -+ -+ if (ok) { -+ yaffs_trace(YAFFS_TRACE_CHECKPOINT, -+ "write checkpoint validity"); -+ ok = yaffs2_wr_checkpt_validity_marker(dev, 1); -+ } -+ if (ok) { -+ yaffs_trace(YAFFS_TRACE_CHECKPOINT, -+ "write checkpoint device"); -+ ok = yaffs2_wr_checkpt_dev(dev); -+ } -+ if (ok) { -+ yaffs_trace(YAFFS_TRACE_CHECKPOINT, -+ "write checkpoint objects"); -+ ok = yaffs2_wr_checkpt_objs(dev); -+ } -+ if (ok) { -+ yaffs_trace(YAFFS_TRACE_CHECKPOINT, -+ "write checkpoint validity"); -+ ok = yaffs2_wr_checkpt_validity_marker(dev, 0); -+ } -+ -+ if (ok) -+ ok = yaffs2_wr_checkpt_sum(dev); -+ -+ if (!yaffs_checkpt_close(dev)) -+ ok = 0; -+ -+ if (ok) -+ dev->is_checkpointed = 1; -+ else -+ dev->is_checkpointed = 0; -+ -+ return dev->is_checkpointed; -+} -+ -+static int yaffs2_rd_checkpt_data(struct yaffs_dev *dev) -+{ -+ int ok = 1; -+ -+ if (!dev->param.is_yaffs2) -+ ok = 0; -+ -+ if (ok && dev->param.skip_checkpt_rd) { -+ yaffs_trace(YAFFS_TRACE_CHECKPOINT, -+ "skipping checkpoint read"); -+ ok = 0; -+ } -+ -+ if (ok) -+ ok = yaffs2_checkpt_open(dev, 0); /* open for read */ -+ -+ if (ok) { -+ yaffs_trace(YAFFS_TRACE_CHECKPOINT, -+ "read checkpoint validity"); -+ ok = yaffs2_rd_checkpt_validity_marker(dev, 1); -+ } -+ if (ok) { -+ yaffs_trace(YAFFS_TRACE_CHECKPOINT, -+ "read checkpoint device"); -+ ok = yaffs2_rd_checkpt_dev(dev); -+ } -+ if (ok) { -+ yaffs_trace(YAFFS_TRACE_CHECKPOINT, -+ "read checkpoint objects"); -+ ok = yaffs2_rd_checkpt_objs(dev); -+ } -+ if (ok) { -+ yaffs_trace(YAFFS_TRACE_CHECKPOINT, -+ "read checkpoint validity"); -+ ok = yaffs2_rd_checkpt_validity_marker(dev, 0); -+ } -+ -+ if (ok) { -+ ok = yaffs2_rd_checkpt_sum(dev); -+ yaffs_trace(YAFFS_TRACE_CHECKPOINT, -+ "read checkpoint checksum %d", ok); -+ } -+ -+ if (!yaffs_checkpt_close(dev)) -+ ok = 0; -+ -+ if (ok) -+ dev->is_checkpointed = 1; -+ else -+ dev->is_checkpointed = 0; -+ -+ return ok ? 1 : 0; -+} -+ -+void yaffs2_checkpt_invalidate(struct yaffs_dev *dev) -+{ -+ if (dev->is_checkpointed || dev->blocks_in_checkpt > 0) { -+ dev->is_checkpointed = 0; -+ yaffs2_checkpt_invalidate_stream(dev); -+ } -+ if (dev->param.sb_dirty_fn) -+ dev->param.sb_dirty_fn(dev); -+} -+ -+int yaffs_checkpoint_save(struct yaffs_dev *dev) -+{ -+ yaffs_trace(YAFFS_TRACE_CHECKPOINT, -+ "save entry: is_checkpointed %d", -+ dev->is_checkpointed); -+ -+ yaffs_verify_objects(dev); -+ yaffs_verify_blocks(dev); -+ yaffs_verify_free_chunks(dev); -+ -+ if (!dev->is_checkpointed) { -+ yaffs2_checkpt_invalidate(dev); -+ yaffs2_wr_checkpt_data(dev); -+ } -+ -+ yaffs_trace(YAFFS_TRACE_CHECKPOINT | YAFFS_TRACE_MOUNT, -+ "save exit: is_checkpointed %d", -+ dev->is_checkpointed); -+ -+ return dev->is_checkpointed; -+} -+ -+int yaffs2_checkpt_restore(struct yaffs_dev *dev) -+{ -+ int retval; -+ -+ yaffs_trace(YAFFS_TRACE_CHECKPOINT, -+ "restore entry: is_checkpointed %d", -+ dev->is_checkpointed); -+ -+ retval = yaffs2_rd_checkpt_data(dev); -+ -+ if (dev->is_checkpointed) { -+ yaffs_verify_objects(dev); -+ yaffs_verify_blocks(dev); -+ yaffs_verify_free_chunks(dev); -+ } -+ -+ yaffs_trace(YAFFS_TRACE_CHECKPOINT, -+ "restore exit: is_checkpointed %d", -+ dev->is_checkpointed); -+ -+ return retval; -+} -+ -+int yaffs2_handle_hole(struct yaffs_obj *obj, loff_t new_size) -+{ -+ /* if new_size > old_file_size. -+ * We're going to be writing a hole. -+ * If the hole is small then write zeros otherwise write a start -+ * of hole marker. -+ */ -+ loff_t old_file_size; -+ loff_t increase; -+ int small_hole; -+ int result = YAFFS_OK; -+ struct yaffs_dev *dev = NULL; -+ u8 *local_buffer = NULL; -+ int small_increase_ok = 0; -+ -+ if (!obj) -+ return YAFFS_FAIL; -+ -+ if (obj->variant_type != YAFFS_OBJECT_TYPE_FILE) -+ return YAFFS_FAIL; -+ -+ dev = obj->my_dev; -+ -+ /* Bail out if not yaffs2 mode */ -+ if (!dev->param.is_yaffs2) -+ return YAFFS_OK; -+ -+ old_file_size = obj->variant.file_variant.file_size; -+ -+ if (new_size <= old_file_size) -+ return YAFFS_OK; -+ -+ increase = new_size - old_file_size; -+ -+ if (increase < YAFFS_SMALL_HOLE_THRESHOLD * dev->data_bytes_per_chunk && -+ yaffs_check_alloc_available(dev, YAFFS_SMALL_HOLE_THRESHOLD + 1)) -+ small_hole = 1; -+ else -+ small_hole = 0; -+ -+ if (small_hole) -+ local_buffer = yaffs_get_temp_buffer(dev); -+ -+ if (local_buffer) { -+ /* fill hole with zero bytes */ -+ loff_t pos = old_file_size; -+ int this_write; -+ int written; -+ memset(local_buffer, 0, dev->data_bytes_per_chunk); -+ small_increase_ok = 1; -+ -+ while (increase > 0 && small_increase_ok) { -+ this_write = increase; -+ if (this_write > dev->data_bytes_per_chunk) -+ this_write = dev->data_bytes_per_chunk; -+ written = -+ yaffs_do_file_wr(obj, local_buffer, pos, this_write, -+ 0); -+ if (written == this_write) { -+ pos += this_write; -+ increase -= this_write; -+ } else { -+ small_increase_ok = 0; -+ } -+ } -+ -+ yaffs_release_temp_buffer(dev, local_buffer); -+ -+ /* If out of space then reverse any chunks we've added */ -+ if (!small_increase_ok) -+ yaffs_resize_file_down(obj, old_file_size); -+ } -+ -+ if (!small_increase_ok && -+ obj->parent && -+ obj->parent->obj_id != YAFFS_OBJECTID_UNLINKED && -+ obj->parent->obj_id != YAFFS_OBJECTID_DELETED) { -+ /* Write a hole start header with the old file size */ -+ yaffs_update_oh(obj, NULL, 0, 1, 0, NULL); -+ } -+ -+ return result; -+} -+ -+struct yaffs_block_index { -+ int seq; -+ int block; -+}; -+ -+static int yaffs2_ybicmp(const void *a, const void *b) -+{ -+ int aseq = ((struct yaffs_block_index *)a)->seq; -+ int bseq = ((struct yaffs_block_index *)b)->seq; -+ int ablock = ((struct yaffs_block_index *)a)->block; -+ int bblock = ((struct yaffs_block_index *)b)->block; -+ -+ if (aseq == bseq) -+ return ablock - bblock; -+ -+ return aseq - bseq; -+} -+ -+static inline int yaffs2_scan_chunk(struct yaffs_dev *dev, -+ struct yaffs_block_info *bi, -+ int blk, int chunk_in_block, -+ int *found_chunks, -+ u8 *chunk_data, -+ struct list_head *hard_list, -+ int summary_available) -+{ -+ struct yaffs_obj_hdr *oh; -+ struct yaffs_obj *in; -+ struct yaffs_obj *parent; -+ int equiv_id; -+ loff_t file_size; -+ int is_shrink; -+ int is_unlinked; -+ struct yaffs_ext_tags tags; -+ int result; -+ int alloc_failed = 0; -+ int chunk = blk * dev->param.chunks_per_block + chunk_in_block; -+ struct yaffs_file_var *file_var; -+ struct yaffs_hardlink_var *hl_var; -+ struct yaffs_symlink_var *sl_var; -+ -+ if (summary_available) { -+ result = yaffs_summary_fetch(dev, &tags, chunk_in_block); -+ tags.seq_number = bi->seq_number; -+ } -+ -+ if (!summary_available || tags.obj_id == 0) { -+ result = yaffs_rd_chunk_tags_nand(dev, chunk, NULL, &tags); -+ dev->tags_used++; -+ } else { -+ dev->summary_used++; -+ } -+ -+ /* Let's have a good look at this chunk... */ -+ -+ if (!tags.chunk_used) { -+ /* An unassigned chunk in the block. -+ * If there are used chunks after this one, then -+ * it is a chunk that was skipped due to failing -+ * the erased check. Just skip it so that it can -+ * be deleted. -+ * But, more typically, We get here when this is -+ * an unallocated chunk and his means that -+ * either the block is empty or this is the one -+ * being allocated from -+ */ -+ -+ if (*found_chunks) { -+ /* This is a chunk that was skipped due -+ * to failing the erased check */ -+ } else if (chunk_in_block == 0) { -+ /* We're looking at the first chunk in -+ * the block so the block is unused */ -+ bi->block_state = YAFFS_BLOCK_STATE_EMPTY; -+ dev->n_erased_blocks++; -+ } else { -+ if (bi->block_state == YAFFS_BLOCK_STATE_NEEDS_SCAN || -+ bi->block_state == YAFFS_BLOCK_STATE_ALLOCATING) { -+ if (dev->seq_number == bi->seq_number) { -+ /* Allocating from this block*/ -+ yaffs_trace(YAFFS_TRACE_SCAN, -+ " Allocating from %d %d", -+ blk, chunk_in_block); -+ -+ bi->block_state = -+ YAFFS_BLOCK_STATE_ALLOCATING; -+ dev->alloc_block = blk; -+ dev->alloc_page = chunk_in_block; -+ dev->alloc_block_finder = blk; -+ } else { -+ /* This is a partially written block -+ * that is not the current -+ * allocation block. -+ */ -+ yaffs_trace(YAFFS_TRACE_SCAN, -+ "Partially written block %d detected. gc will fix this.", -+ blk); -+ } -+ } -+ } -+ -+ dev->n_free_chunks++; -+ -+ } else if (tags.ecc_result == -+ YAFFS_ECC_RESULT_UNFIXED) { -+ yaffs_trace(YAFFS_TRACE_SCAN, -+ " Unfixed ECC in chunk(%d:%d), chunk ignored", -+ blk, chunk_in_block); -+ dev->n_free_chunks++; -+ } else if (tags.obj_id > YAFFS_MAX_OBJECT_ID || -+ tags.chunk_id > YAFFS_MAX_CHUNK_ID || -+ tags.obj_id == YAFFS_OBJECTID_SUMMARY || -+ (tags.chunk_id > 0 && -+ tags.n_bytes > dev->data_bytes_per_chunk) || -+ tags.seq_number != bi->seq_number) { -+ yaffs_trace(YAFFS_TRACE_SCAN, -+ "Chunk (%d:%d) with bad tags:obj = %d, chunk_id = %d, n_bytes = %d, ignored", -+ blk, chunk_in_block, tags.obj_id, -+ tags.chunk_id, tags.n_bytes); -+ dev->n_free_chunks++; -+ } else if (tags.chunk_id > 0) { -+ /* chunk_id > 0 so it is a data chunk... */ -+ loff_t endpos; -+ loff_t chunk_base = (tags.chunk_id - 1) * -+ dev->data_bytes_per_chunk; -+ -+ *found_chunks = 1; -+ -+ yaffs_set_chunk_bit(dev, blk, chunk_in_block); -+ bi->pages_in_use++; -+ -+ in = yaffs_find_or_create_by_number(dev, -+ tags.obj_id, -+ YAFFS_OBJECT_TYPE_FILE); -+ if (!in) -+ /* Out of memory */ -+ alloc_failed = 1; -+ -+ if (in && -+ in->variant_type == YAFFS_OBJECT_TYPE_FILE && -+ chunk_base < in->variant.file_variant.shrink_size) { -+ /* This has not been invalidated by -+ * a resize */ -+ if (!yaffs_put_chunk_in_file(in, tags.chunk_id, -+ chunk, -1)) -+ alloc_failed = 1; -+ -+ /* File size is calculated by looking at -+ * the data chunks if we have not -+ * seen an object header yet. -+ * Stop this practice once we find an -+ * object header. -+ */ -+ endpos = chunk_base + tags.n_bytes; -+ -+ if (!in->valid && -+ in->variant.file_variant.scanned_size < endpos) { -+ in->variant.file_variant. -+ scanned_size = endpos; -+ in->variant.file_variant. -+ file_size = endpos; -+ } -+ } else if (in) { -+ /* This chunk has been invalidated by a -+ * resize, or a past file deletion -+ * so delete the chunk*/ -+ yaffs_chunk_del(dev, chunk, 1, __LINE__); -+ } -+ } else { -+ /* chunk_id == 0, so it is an ObjectHeader. -+ * Thus, we read in the object header and make -+ * the object -+ */ -+ *found_chunks = 1; -+ -+ yaffs_set_chunk_bit(dev, blk, chunk_in_block); -+ bi->pages_in_use++; -+ -+ oh = NULL; -+ in = NULL; -+ -+ if (tags.extra_available) { -+ in = yaffs_find_or_create_by_number(dev, -+ tags.obj_id, -+ tags.extra_obj_type); -+ if (!in) -+ alloc_failed = 1; -+ } -+ -+ if (!in || -+ (!in->valid && dev->param.disable_lazy_load) || -+ tags.extra_shadows || -+ (!in->valid && (tags.obj_id == YAFFS_OBJECTID_ROOT || -+ tags.obj_id == YAFFS_OBJECTID_LOSTNFOUND))) { -+ -+ /* If we don't have valid info then we -+ * need to read the chunk -+ * TODO In future we can probably defer -+ * reading the chunk and living with -+ * invalid data until needed. -+ */ -+ -+ result = yaffs_rd_chunk_tags_nand(dev, -+ chunk, -+ chunk_data, -+ NULL); -+ -+ oh = (struct yaffs_obj_hdr *)chunk_data; -+ -+ if (dev->param.inband_tags) { -+ /* Fix up the header if they got -+ * corrupted by inband tags */ -+ oh->shadows_obj = -+ oh->inband_shadowed_obj_id; -+ oh->is_shrink = -+ oh->inband_is_shrink; -+ } -+ -+ if (!in) { -+ in = yaffs_find_or_create_by_number(dev, -+ tags.obj_id, oh->type); -+ if (!in) -+ alloc_failed = 1; -+ } -+ } -+ -+ if (!in) { -+ /* TODO Hoosterman we have a problem! */ -+ yaffs_trace(YAFFS_TRACE_ERROR, -+ "yaffs tragedy: Could not make object for object %d at chunk %d during scan", -+ tags.obj_id, chunk); -+ return YAFFS_FAIL; -+ } -+ -+ if (in->valid) { -+ /* We have already filled this one. -+ * We have a duplicate that will be -+ * discarded, but we first have to suck -+ * out resize info if it is a file. -+ */ -+ if ((in->variant_type == YAFFS_OBJECT_TYPE_FILE) && -+ ((oh && oh->type == YAFFS_OBJECT_TYPE_FILE) || -+ (tags.extra_available && -+ tags.extra_obj_type == YAFFS_OBJECT_TYPE_FILE) -+ )) { -+ loff_t this_size = (oh) ? -+ yaffs_oh_to_size(oh) : -+ tags.extra_file_size; -+ u32 parent_obj_id = (oh) ? -+ oh->parent_obj_id : -+ tags.extra_parent_id; -+ -+ is_shrink = (oh) ? -+ oh->is_shrink : -+ tags.extra_is_shrink; -+ -+ /* If it is deleted (unlinked -+ * at start also means deleted) -+ * we treat the file size as -+ * being zeroed at this point. -+ */ -+ if (parent_obj_id == YAFFS_OBJECTID_DELETED || -+ parent_obj_id == YAFFS_OBJECTID_UNLINKED) { -+ this_size = 0; -+ is_shrink = 1; -+ } -+ -+ if (is_shrink && -+ in->variant.file_variant.shrink_size > -+ this_size) -+ in->variant.file_variant.shrink_size = -+ this_size; -+ -+ if (is_shrink) -+ bi->has_shrink_hdr = 1; -+ } -+ /* Use existing - destroy this one. */ -+ yaffs_chunk_del(dev, chunk, 1, __LINE__); -+ } -+ -+ if (!in->valid && in->variant_type != -+ (oh ? oh->type : tags.extra_obj_type)) { -+ yaffs_trace(YAFFS_TRACE_ERROR, -+ "yaffs tragedy: Bad type, %d != %d, for object %d at chunk %d during scan", -+ oh ? oh->type : tags.extra_obj_type, -+ in->variant_type, tags.obj_id, -+ chunk); -+ in = yaffs_retype_obj(in, oh ? oh->type : tags.extra_obj_type); -+ } -+ -+ if (!in->valid && -+ (tags.obj_id == YAFFS_OBJECTID_ROOT || -+ tags.obj_id == YAFFS_OBJECTID_LOSTNFOUND)) { -+ /* We only load some info, don't fiddle -+ * with directory structure */ -+ in->valid = 1; -+ -+ if (oh) { -+ in->yst_mode = oh->yst_mode; -+ yaffs_load_attribs(in, oh); -+ in->lazy_loaded = 0; -+ } else { -+ in->lazy_loaded = 1; -+ } -+ in->hdr_chunk = chunk; -+ -+ } else if (!in->valid) { -+ /* we need to load this info */ -+ in->valid = 1; -+ in->hdr_chunk = chunk; -+ if (oh) { -+ in->variant_type = oh->type; -+ in->yst_mode = oh->yst_mode; -+ yaffs_load_attribs(in, oh); -+ -+ if (oh->shadows_obj > 0) -+ yaffs_handle_shadowed_obj(dev, -+ oh->shadows_obj, 1); -+ -+ yaffs_set_obj_name_from_oh(in, oh); -+ parent = yaffs_find_or_create_by_number(dev, -+ oh->parent_obj_id, -+ YAFFS_OBJECT_TYPE_DIRECTORY); -+ file_size = yaffs_oh_to_size(oh); -+ is_shrink = oh->is_shrink; -+ equiv_id = oh->equiv_id; -+ } else { -+ in->variant_type = tags.extra_obj_type; -+ parent = yaffs_find_or_create_by_number(dev, -+ tags.extra_parent_id, -+ YAFFS_OBJECT_TYPE_DIRECTORY); -+ file_size = tags.extra_file_size; -+ is_shrink = tags.extra_is_shrink; -+ equiv_id = tags.extra_equiv_id; -+ in->lazy_loaded = 1; -+ } -+ in->dirty = 0; -+ -+ if (!parent) -+ alloc_failed = 1; -+ -+ /* directory stuff... -+ * hook up to parent -+ */ -+ -+ if (parent && -+ parent->variant_type == YAFFS_OBJECT_TYPE_UNKNOWN) { -+ /* Set up as a directory */ -+ parent->variant_type = -+ YAFFS_OBJECT_TYPE_DIRECTORY; -+ INIT_LIST_HEAD(&parent-> -+ variant.dir_variant.children); -+ } else if (!parent || -+ parent->variant_type != -+ YAFFS_OBJECT_TYPE_DIRECTORY) { -+ /* Hoosterman, another problem.... -+ * Trying to use a non-directory as a directory -+ */ -+ -+ yaffs_trace(YAFFS_TRACE_ERROR, -+ "yaffs tragedy: attempting to use non-directory as a directory in scan. Put in lost+found." -+ ); -+ parent = dev->lost_n_found; -+ } -+ yaffs_add_obj_to_dir(parent, in); -+ -+ is_unlinked = (parent == dev->del_dir) || -+ (parent == dev->unlinked_dir); -+ -+ if (is_shrink) -+ /* Mark the block */ -+ bi->has_shrink_hdr = 1; -+ -+ /* Note re hardlinks. -+ * Since we might scan a hardlink before its equivalent -+ * object is scanned we put them all in a list. -+ * After scanning is complete, we should have all the -+ * objects, so we run through this list and fix up all -+ * the chains. -+ */ -+ -+ switch (in->variant_type) { -+ case YAFFS_OBJECT_TYPE_UNKNOWN: -+ /* Todo got a problem */ -+ break; -+ case YAFFS_OBJECT_TYPE_FILE: -+ file_var = &in->variant.file_variant; -+ if (file_var->scanned_size < file_size) { -+ /* This covers the case where the file -+ * size is greater than the data held. -+ * This will happen if the file is -+ * resized to be larger than its -+ * current data extents. -+ */ -+ file_var->file_size = file_size; -+ file_var->scanned_size = file_size; -+ } -+ -+ if (file_var->shrink_size > file_size) -+ file_var->shrink_size = file_size; -+ -+ break; -+ case YAFFS_OBJECT_TYPE_HARDLINK: -+ hl_var = &in->variant.hardlink_variant; -+ if (!is_unlinked) { -+ hl_var->equiv_id = equiv_id; -+ list_add(&in->hard_links, hard_list); -+ } -+ break; -+ case YAFFS_OBJECT_TYPE_DIRECTORY: -+ /* Do nothing */ -+ break; -+ case YAFFS_OBJECT_TYPE_SPECIAL: -+ /* Do nothing */ -+ break; -+ case YAFFS_OBJECT_TYPE_SYMLINK: -+ sl_var = &in->variant.symlink_variant; -+ if (oh) { -+ sl_var->alias = -+ yaffs_clone_str(oh->alias); -+ if (!sl_var->alias) -+ alloc_failed = 1; -+ } -+ break; -+ } -+ } -+ } -+ return alloc_failed ? YAFFS_FAIL : YAFFS_OK; -+} -+ -+int yaffs2_scan_backwards(struct yaffs_dev *dev) -+{ -+ int blk; -+ int block_iter; -+ int start_iter; -+ int end_iter; -+ int n_to_scan = 0; -+ enum yaffs_block_state state; -+ int c; -+ int deleted; -+ LIST_HEAD(hard_list); -+ struct yaffs_block_info *bi; -+ u32 seq_number; -+ int n_blocks = dev->internal_end_block - dev->internal_start_block + 1; -+ u8 *chunk_data; -+ int found_chunks; -+ int alloc_failed = 0; -+ struct yaffs_block_index *block_index = NULL; -+ int alt_block_index = 0; -+ int summary_available; -+ -+ yaffs_trace(YAFFS_TRACE_SCAN, -+ "yaffs2_scan_backwards starts intstartblk %d intendblk %d...", -+ dev->internal_start_block, dev->internal_end_block); -+ -+ dev->seq_number = YAFFS_LOWEST_SEQUENCE_NUMBER; -+ -+ block_index = -+ kmalloc(n_blocks * sizeof(struct yaffs_block_index), GFP_NOFS); -+ -+ if (!block_index) { -+ block_index = -+ vmalloc(n_blocks * sizeof(struct yaffs_block_index)); -+ alt_block_index = 1; -+ } -+ -+ if (!block_index) { -+ yaffs_trace(YAFFS_TRACE_SCAN, -+ "yaffs2_scan_backwards() could not allocate block index!" -+ ); -+ return YAFFS_FAIL; -+ } -+ -+ dev->blocks_in_checkpt = 0; -+ -+ chunk_data = yaffs_get_temp_buffer(dev); -+ -+ /* Scan all the blocks to determine their state */ -+ bi = dev->block_info; -+ for (blk = dev->internal_start_block; blk <= dev->internal_end_block; -+ blk++) { -+ yaffs_clear_chunk_bits(dev, blk); -+ bi->pages_in_use = 0; -+ bi->soft_del_pages = 0; -+ -+ yaffs_query_init_block_state(dev, blk, &state, &seq_number); -+ -+ bi->block_state = state; -+ bi->seq_number = seq_number; -+ -+ if (bi->seq_number == YAFFS_SEQUENCE_CHECKPOINT_DATA) -+ bi->block_state = YAFFS_BLOCK_STATE_CHECKPOINT; -+ if (bi->seq_number == YAFFS_SEQUENCE_BAD_BLOCK) -+ bi->block_state = YAFFS_BLOCK_STATE_DEAD; -+ -+ yaffs_trace(YAFFS_TRACE_SCAN_DEBUG, -+ "Block scanning block %d state %d seq %d", -+ blk, bi->block_state, seq_number); -+ -+ if (bi->block_state == YAFFS_BLOCK_STATE_CHECKPOINT) { -+ dev->blocks_in_checkpt++; -+ -+ } else if (bi->block_state == YAFFS_BLOCK_STATE_DEAD) { -+ yaffs_trace(YAFFS_TRACE_BAD_BLOCKS, -+ "block %d is bad", blk); -+ } else if (bi->block_state == YAFFS_BLOCK_STATE_EMPTY) { -+ yaffs_trace(YAFFS_TRACE_SCAN_DEBUG, "Block empty "); -+ dev->n_erased_blocks++; -+ dev->n_free_chunks += dev->param.chunks_per_block; -+ } else if (bi->block_state == -+ YAFFS_BLOCK_STATE_NEEDS_SCAN) { -+ /* Determine the highest sequence number */ -+ if (seq_number >= YAFFS_LOWEST_SEQUENCE_NUMBER && -+ seq_number < YAFFS_HIGHEST_SEQUENCE_NUMBER) { -+ block_index[n_to_scan].seq = seq_number; -+ block_index[n_to_scan].block = blk; -+ n_to_scan++; -+ if (seq_number >= dev->seq_number) -+ dev->seq_number = seq_number; -+ } else { -+ /* TODO: Nasty sequence number! */ -+ yaffs_trace(YAFFS_TRACE_SCAN, -+ "Block scanning block %d has bad sequence number %d", -+ blk, seq_number); -+ } -+ } -+ bi++; -+ } -+ -+ yaffs_trace(YAFFS_TRACE_ALWAYS, "%d blocks to be sorted...", n_to_scan); -+ -+ cond_resched(); -+ -+ /* Sort the blocks by sequence number */ -+ sort(block_index, n_to_scan, sizeof(struct yaffs_block_index), -+ yaffs2_ybicmp, NULL); -+ -+ cond_resched(); -+ -+ yaffs_trace(YAFFS_TRACE_SCAN, "...done"); -+ -+ /* Now scan the blocks looking at the data. */ -+ start_iter = 0; -+ end_iter = n_to_scan - 1; -+ yaffs_trace(YAFFS_TRACE_SCAN_DEBUG, "%d blocks to scan", n_to_scan); -+ -+ /* For each block.... backwards */ -+ for (block_iter = end_iter; -+ !alloc_failed && block_iter >= start_iter; -+ block_iter--) { -+ /* Cooperative multitasking! This loop can run for so -+ long that watchdog timers expire. */ -+ cond_resched(); -+ -+ /* get the block to scan in the correct order */ -+ blk = block_index[block_iter].block; -+ bi = yaffs_get_block_info(dev, blk); -+ deleted = 0; -+ -+ summary_available = yaffs_summary_read(dev, dev->sum_tags, blk); -+ -+ /* For each chunk in each block that needs scanning.... */ -+ found_chunks = 0; -+ if (summary_available) -+ c = dev->chunks_per_summary - 1; -+ else -+ c = dev->param.chunks_per_block - 1; -+ -+ for (/* c is already initialised */; -+ !alloc_failed && c >= 0 && -+ (bi->block_state == YAFFS_BLOCK_STATE_NEEDS_SCAN || -+ bi->block_state == YAFFS_BLOCK_STATE_ALLOCATING); -+ c--) { -+ /* Scan backwards... -+ * Read the tags and decide what to do -+ */ -+ if (yaffs2_scan_chunk(dev, bi, blk, c, -+ &found_chunks, chunk_data, -+ &hard_list, summary_available) == -+ YAFFS_FAIL) -+ alloc_failed = 1; -+ } -+ -+ if (bi->block_state == YAFFS_BLOCK_STATE_NEEDS_SCAN) { -+ /* If we got this far while scanning, then the block -+ * is fully allocated. */ -+ bi->block_state = YAFFS_BLOCK_STATE_FULL; -+ } -+ -+ /* Now let's see if it was dirty */ -+ if (bi->pages_in_use == 0 && -+ !bi->has_shrink_hdr && -+ bi->block_state == YAFFS_BLOCK_STATE_FULL) { -+ yaffs_block_became_dirty(dev, blk); -+ } -+ } -+ -+ yaffs_skip_rest_of_block(dev); -+ -+ if (alt_block_index) -+ vfree(block_index); -+ else -+ kfree(block_index); -+ -+ /* Ok, we've done all the scanning. -+ * Fix up the hard link chains. -+ * We have scanned all the objects, now it's time to add these -+ * hardlinks. -+ */ -+ yaffs_link_fixup(dev, &hard_list); -+ -+ yaffs_release_temp_buffer(dev, chunk_data); -+ -+ if (alloc_failed) -+ return YAFFS_FAIL; -+ -+ yaffs_trace(YAFFS_TRACE_SCAN, "yaffs2_scan_backwards ends"); -+ -+ return YAFFS_OK; -+} -diff -Nur linux-3.15-rc5.orig/fs/yaffs2/yaffs_yaffs2.h linux-3.15-rc5/fs/yaffs2/yaffs_yaffs2.h ---- linux-3.15-rc5.orig/fs/yaffs2/yaffs_yaffs2.h 1970-01-01 01:00:00.000000000 +0100 -+++ linux-3.15-rc5/fs/yaffs2/yaffs_yaffs2.h 2014-05-17 01:53:27.000000000 +0200 -@@ -0,0 +1,39 @@ -+/* -+ * YAFFS: Yet another Flash File System . A NAND-flash specific file system. -+ * -+ * Copyright (C) 2002-2011 Aleph One Ltd. -+ * for Toby Churchill Ltd and Brightstar Engineering -+ * -+ * Created by Charles Manning -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU Lesser General Public License version 2.1 as -+ * published by the Free Software Foundation. -+ * -+ * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL. -+ */ -+ -+#ifndef __YAFFS_YAFFS2_H__ -+#define __YAFFS_YAFFS2_H__ -+ -+#include "yaffs_guts.h" -+ -+void yaffs_calc_oldest_dirty_seq(struct yaffs_dev *dev); -+void yaffs2_find_oldest_dirty_seq(struct yaffs_dev *dev); -+void yaffs2_clear_oldest_dirty_seq(struct yaffs_dev *dev, -+ struct yaffs_block_info *bi); -+void yaffs2_update_oldest_dirty_seq(struct yaffs_dev *dev, unsigned block_no, -+ struct yaffs_block_info *bi); -+int yaffs_block_ok_for_gc(struct yaffs_dev *dev, struct yaffs_block_info *bi); -+u32 yaffs2_find_refresh_block(struct yaffs_dev *dev); -+int yaffs2_checkpt_required(struct yaffs_dev *dev); -+int yaffs_calc_checkpt_blocks_required(struct yaffs_dev *dev); -+ -+void yaffs2_checkpt_invalidate(struct yaffs_dev *dev); -+int yaffs2_checkpt_save(struct yaffs_dev *dev); -+int yaffs2_checkpt_restore(struct yaffs_dev *dev); -+ -+int yaffs2_handle_hole(struct yaffs_obj *obj, loff_t new_size); -+int yaffs2_scan_backwards(struct yaffs_dev *dev); -+ -+#endif -diff -Nur linux-3.15-rc5.orig/fs/yaffs2/yportenv.h linux-3.15-rc5/fs/yaffs2/yportenv.h ---- linux-3.15-rc5.orig/fs/yaffs2/yportenv.h 1970-01-01 01:00:00.000000000 +0100 -+++ linux-3.15-rc5/fs/yaffs2/yportenv.h 2014-05-17 01:53:27.000000000 +0200 -@@ -0,0 +1,85 @@ -+/* -+ * YAFFS: Yet another Flash File System . A NAND-flash specific file system. -+ * -+ * Copyright (C) 2002-2011 Aleph One Ltd. -+ * for Toby Churchill Ltd and Brightstar Engineering -+ * -+ * Created by Charles Manning -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU Lesser General Public License version 2.1 as -+ * published by the Free Software Foundation. -+ * -+ * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL. -+ */ -+ -+#ifndef __YPORTENV_H__ -+#define __YPORTENV_H__ -+ -+/* -+ * Define the MTD version in terms of Linux Kernel versions -+ * This allows yaffs to be used independantly of the kernel -+ * as well as with it. -+ */ -+ -+#define MTD_VERSION(a, b, c) (((a) << 16) + ((b) << 8) + (c)) -+ -+#ifdef YAFFS_OUT_OF_TREE -+#include "moduleconfig.h" -+#endif -+ -+#include -+#define MTD_VERSION_CODE LINUX_VERSION_CODE -+ -+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 19)) -+#include -+#endif -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+ -+/* These type wrappings are used to support Unicode names in WinCE. */ -+#define YCHAR char -+#define YUCHAR unsigned char -+#define _Y(x) x -+ -+#define YAFFS_LOSTNFOUND_NAME "lost+found" -+#define YAFFS_LOSTNFOUND_PREFIX "obj" -+ -+ -+#define YAFFS_ROOT_MODE 0755 -+#define YAFFS_LOSTNFOUND_MODE 0700 -+ -+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0)) -+#define Y_CURRENT_TIME CURRENT_TIME.tv_sec -+#define Y_TIME_CONVERT(x) (x).tv_sec -+#else -+#define Y_CURRENT_TIME CURRENT_TIME -+#define Y_TIME_CONVERT(x) (x) -+#endif -+ -+#define compile_time_assertion(assertion) \ -+ ({ int x = __builtin_choose_expr(assertion, 0, (void)0); (void) x; }) -+ -+ -+#define yaffs_printf(msk, fmt, ...) \ -+ printk(KERN_DEBUG "yaffs: " fmt "\n", ##__VA_ARGS__) -+ -+#define yaffs_trace(msk, fmt, ...) do { \ -+ if (yaffs_trace_mask & (msk)) \ -+ printk(KERN_DEBUG "yaffs: " fmt "\n", ##__VA_ARGS__); \ -+} while (0) -+ -+ -+#endif diff --git a/target/linux/patches/3.15-rc6/zlib-inflate.patch b/target/linux/patches/3.15-rc6/zlib-inflate.patch deleted file mode 100644 index 58e1f6d21..000000000 --- a/target/linux/patches/3.15-rc6/zlib-inflate.patch +++ /dev/null @@ -1,12 +0,0 @@ -diff -Nur linux-2.6.37.orig/lib/Kconfig linux-2.6.37/lib/Kconfig ---- linux-2.6.37.orig/lib/Kconfig 2011-01-05 01:50:19.000000000 +0100 -+++ linux-2.6.37/lib/Kconfig 2011-03-01 20:10:29.833370667 +0100 -@@ -95,7 +95,7 @@ - # compression support is select'ed if needed - # - config ZLIB_INFLATE -- tristate -+ boolean - - config ZLIB_DEFLATE - tristate diff --git a/target/linux/patches/3.15-rc7/bsd-compatibility.patch b/target/linux/patches/3.15-rc7/bsd-compatibility.patch new file mode 100644 index 000000000..b954b658f --- /dev/null +++ b/target/linux/patches/3.15-rc7/bsd-compatibility.patch @@ -0,0 +1,2538 @@ +diff -Nur linux-3.11.5.orig/scripts/Makefile.lib linux-3.11.5/scripts/Makefile.lib +--- linux-3.11.5.orig/scripts/Makefile.lib 2013-10-14 03:14:45.000000000 +0200 ++++ linux-3.11.5/scripts/Makefile.lib 2013-10-16 18:09:31.000000000 +0200 +@@ -281,7 +281,12 @@ + size_append = printf $(shell \ + dec_size=0; \ + for F in $1; do \ +- fsize=$$(stat -c "%s" $$F); \ ++ if stat -qs .>/dev/null 2>&1; then \ ++ statcmd='stat -f %z'; \ ++ else \ ++ statcmd='stat -c %s'; \ ++ fi; \ ++ fsize=$$($$statcmd $$F); \ + dec_size=$$(expr $$dec_size + $$fsize); \ + done; \ + printf "%08x\n" $$dec_size | \ +diff -Nur linux-3.11.5.orig/scripts/mod/mk_elfconfig.c linux-3.11.5/scripts/mod/mk_elfconfig.c +--- linux-3.11.5.orig/scripts/mod/mk_elfconfig.c 2013-10-14 03:14:45.000000000 +0200 ++++ linux-3.11.5/scripts/mod/mk_elfconfig.c 2013-10-16 18:09:31.000000000 +0200 +@@ -1,7 +1,18 @@ + #include + #include + #include +-#include ++ ++#define EI_NIDENT (16) ++#define ELFMAG "\177ELF" ++ ++#define SELFMAG 4 ++#define EI_CLASS 4 ++#define ELFCLASS32 1 /* 32-bit objects */ ++#define ELFCLASS64 2 /* 64-bit objects */ ++ ++#define EI_DATA 5 /* Data encoding byte index */ ++#define ELFDATA2LSB 1 /* 2's complement, little endian */ ++#define ELFDATA2MSB 2 /* 2's complement, big endian */ + + int + main(int argc, char **argv) +diff -Nur linux-3.11.5.orig/scripts/mod/modpost.h linux-3.11.5/scripts/mod/modpost.h +--- linux-3.11.5.orig/scripts/mod/modpost.h 2013-10-14 03:14:45.000000000 +0200 ++++ linux-3.11.5/scripts/mod/modpost.h 2013-10-16 18:09:31.000000000 +0200 +@@ -7,7 +7,2453 @@ + #include + #include + #include +-#include ++ ++ ++/* This file defines standard ELF types, structures, and macros. ++ Copyright (C) 1995-1999,2000,2001,2002,2003 Free Software Foundation, Inc. ++ This file is part of the GNU C Library. ++ ++ The GNU C Library is free software; you can redistribute it and/or ++ modify it under the terms of the GNU Lesser General Public ++ License as published by the Free Software Foundation; either ++ version 2.1 of the License, or (at your option) any later version. ++ ++ The GNU C Library is distributed in the hope that it will be useful, ++ but WITHOUT ANY WARRANTY; without even the implied warranty of ++ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU ++ Lesser General Public License for more details. ++ ++ You should have received a copy of the GNU Lesser General Public ++ License along with the GNU C Library; if not, write to the Free ++ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA ++ 02111-1307 USA. */ ++ ++#ifndef _ELF_H ++#define _ELF_H 1 ++ ++__BEGIN_DECLS ++ ++/* Standard ELF types. */ ++ ++#include ++ ++/* Type for a 16-bit quantity. */ ++typedef uint16_t Elf32_Half; ++typedef uint16_t Elf64_Half; ++ ++/* Types for signed and unsigned 32-bit quantities. */ ++typedef uint32_t Elf32_Word; ++typedef int32_t Elf32_Sword; ++typedef uint32_t Elf64_Word; ++typedef int32_t Elf64_Sword; ++ ++/* Types for signed and unsigned 64-bit quantities. */ ++typedef uint64_t Elf32_Xword; ++typedef int64_t Elf32_Sxword; ++typedef uint64_t Elf64_Xword; ++typedef int64_t Elf64_Sxword; ++ ++/* Type of addresses. */ ++typedef uint32_t Elf32_Addr; ++typedef uint64_t Elf64_Addr; ++ ++/* Type of file offsets. */ ++typedef uint32_t Elf32_Off; ++typedef uint64_t Elf64_Off; ++ ++/* Type for section indices, which are 16-bit quantities. */ ++typedef uint16_t Elf32_Section; ++typedef uint16_t Elf64_Section; ++ ++/* Type for version symbol information. */ ++typedef Elf32_Half Elf32_Versym; ++typedef Elf64_Half Elf64_Versym; ++ ++ ++/* The ELF file header. This appears at the start of every ELF file. */ ++ ++#define EI_NIDENT (16) ++ ++typedef struct ++{ ++ unsigned char e_ident[EI_NIDENT]; /* Magic number and other info */ ++ Elf32_Half e_type; /* Object file type */ ++ Elf32_Half e_machine; /* Architecture */ ++ Elf32_Word e_version; /* Object file version */ ++ Elf32_Addr e_entry; /* Entry point virtual address */ ++ Elf32_Off e_phoff; /* Program header table file offset */ ++ Elf32_Off e_shoff; /* Section header table file offset */ ++ Elf32_Word e_flags; /* Processor-specific flags */ ++ Elf32_Half e_ehsize; /* ELF header size in bytes */ ++ Elf32_Half e_phentsize; /* Program header table entry size */ ++ Elf32_Half e_phnum; /* Program header table entry count */ ++ Elf32_Half e_shentsize; /* Section header table entry size */ ++ Elf32_Half e_shnum; /* Section header table entry count */ ++ Elf32_Half e_shstrndx; /* Section header string table index */ ++} Elf32_Ehdr; ++ ++typedef struct ++{ ++ unsigned char e_ident[EI_NIDENT]; /* Magic number and other info */ ++ Elf64_Half e_type; /* Object file type */ ++ Elf64_Half e_machine; /* Architecture */ ++ Elf64_Word e_version; /* Object file version */ ++ Elf64_Addr e_entry; /* Entry point virtual address */ ++ Elf64_Off e_phoff; /* Program header table file offset */ ++ Elf64_Off e_shoff; /* Section header table file offset */ ++ Elf64_Word e_flags; /* Processor-specific flags */ ++ Elf64_Half e_ehsize; /* ELF header size in bytes */ ++ Elf64_Half e_phentsize; /* Program header table entry size */ ++ Elf64_Half e_phnum; /* Program header table entry count */ ++ Elf64_Half e_shentsize; /* Section header table entry size */ ++ Elf64_Half e_shnum; /* Section header table entry count */ ++ Elf64_Half e_shstrndx; /* Section header string table index */ ++} Elf64_Ehdr; ++ ++/* Fields in the e_ident array. The EI_* macros are indices into the ++ array. The macros under each EI_* macro are the values the byte ++ may have. */ ++ ++#define EI_MAG0 0 /* File identification byte 0 index */ ++#define ELFMAG0 0x7f /* Magic number byte 0 */ ++ ++#define EI_MAG1 1 /* File identification byte 1 index */ ++#define ELFMAG1 'E' /* Magic number byte 1 */ ++ ++#define EI_MAG2 2 /* File identification byte 2 index */ ++#define ELFMAG2 'L' /* Magic number byte 2 */ ++ ++#define EI_MAG3 3 /* File identification byte 3 index */ ++#define ELFMAG3 'F' /* Magic number byte 3 */ ++ ++/* Conglomeration of the identification bytes, for easy testing as a word. */ ++#define ELFMAG "\177ELF" ++#define SELFMAG 4 ++ ++#define EI_CLASS 4 /* File class byte index */ ++#define ELFCLASSNONE 0 /* Invalid class */ ++#define ELFCLASS32 1 /* 32-bit objects */ ++#define ELFCLASS64 2 /* 64-bit objects */ ++#define ELFCLASSNUM 3 ++ ++#define EI_DATA 5 /* Data encoding byte index */ ++#define ELFDATANONE 0 /* Invalid data encoding */ ++#define ELFDATA2LSB 1 /* 2's complement, little endian */ ++#define ELFDATA2MSB 2 /* 2's complement, big endian */ ++#define ELFDATANUM 3 ++ ++#define EI_VERSION 6 /* File version byte index */ ++ /* Value must be EV_CURRENT */ ++ ++#define EI_OSABI 7 /* OS ABI identification */ ++#define ELFOSABI_NONE 0 /* UNIX System V ABI */ ++#define ELFOSABI_SYSV 0 /* Alias. */ ++#define ELFOSABI_HPUX 1 /* HP-UX */ ++#define ELFOSABI_NETBSD 2 /* NetBSD. */ ++#define ELFOSABI_LINUX 3 /* Linux. */ ++#define ELFOSABI_SOLARIS 6 /* Sun Solaris. */ ++#define ELFOSABI_AIX 7 /* IBM AIX. */ ++#define ELFOSABI_IRIX 8 /* SGI Irix. */ ++#define ELFOSABI_FREEBSD 9 /* FreeBSD. */ ++#define ELFOSABI_TRU64 10 /* Compaq TRU64 UNIX. */ ++#define ELFOSABI_MODESTO 11 /* Novell Modesto. */ ++#define ELFOSABI_OPENBSD 12 /* OpenBSD. */ ++#define ELFOSABI_ARM 97 /* ARM */ ++#define ELFOSABI_STANDALONE 255 /* Standalone (embedded) application */ ++ ++#define EI_ABIVERSION 8 /* ABI version */ ++ ++#define EI_PAD 9 /* Byte index of padding bytes */ ++ ++/* Legal values for e_type (object file type). */ ++ ++#define ET_NONE 0 /* No file type */ ++#define ET_REL 1 /* Relocatable file */ ++#define ET_EXEC 2 /* Executable file */ ++#define ET_DYN 3 /* Shared object file */ ++#define ET_CORE 4 /* Core file */ ++#define ET_NUM 5 /* Number of defined types */ ++#define ET_LOOS 0xfe00 /* OS-specific range start */ ++#define ET_HIOS 0xfeff /* OS-specific range end */ ++#define ET_LOPROC 0xff00 /* Processor-specific range start */ ++#define ET_HIPROC 0xffff /* Processor-specific range end */ ++ ++/* Legal values for e_machine (architecture). */ ++ ++#define EM_NONE 0 /* No machine */ ++#define EM_M32 1 /* AT&T WE 32100 */ ++#define EM_SPARC 2 /* SUN SPARC */ ++#define EM_386 3 /* Intel 80386 */ ++#define EM_68K 4 /* Motorola m68k family */ ++#define EM_88K 5 /* Motorola m88k family */ ++#define EM_860 7 /* Intel 80860 */ ++#define EM_MIPS 8 /* MIPS R3000 big-endian */ ++#define EM_S370 9 /* IBM System/370 */ ++#define EM_MIPS_RS3_LE 10 /* MIPS R3000 little-endian */ ++ ++#define EM_PARISC 15 /* HPPA */ ++#define EM_VPP500 17 /* Fujitsu VPP500 */ ++#define EM_SPARC32PLUS 18 /* Sun's "v8plus" */ ++#define EM_960 19 /* Intel 80960 */ ++#define EM_PPC 20 /* PowerPC */ ++#define EM_PPC64 21 /* PowerPC 64-bit */ ++#define EM_S390 22 /* IBM S390 */ ++ ++#define EM_V800 36 /* NEC V800 series */ ++#define EM_FR20 37 /* Fujitsu FR20 */ ++#define EM_RH32 38 /* TRW RH-32 */ ++#define EM_RCE 39 /* Motorola RCE */ ++#define EM_ARM 40 /* ARM */ ++#define EM_FAKE_ALPHA 41 /* Digital Alpha */ ++#define EM_SH 42 /* Hitachi SH */ ++#define EM_SPARCV9 43 /* SPARC v9 64-bit */ ++#define EM_TRICORE 44 /* Siemens Tricore */ ++#define EM_ARC 45 /* Argonaut RISC Core */ ++#define EM_H8_300 46 /* Hitachi H8/300 */ ++#define EM_H8_300H 47 /* Hitachi H8/300H */ ++#define EM_H8S 48 /* Hitachi H8S */ ++#define EM_H8_500 49 /* Hitachi H8/500 */ ++#define EM_IA_64 50 /* Intel Merced */ ++#define EM_MIPS_X 51 /* Stanford MIPS-X */ ++#define EM_COLDFIRE 52 /* Motorola Coldfire */ ++#define EM_68HC12 53 /* Motorola M68HC12 */ ++#define EM_MMA 54 /* Fujitsu MMA Multimedia Accelerator*/ ++#define EM_PCP 55 /* Siemens PCP */ ++#define EM_NCPU 56 /* Sony nCPU embeeded RISC */ ++#define EM_NDR1 57 /* Denso NDR1 microprocessor */ ++#define EM_STARCORE 58 /* Motorola Start*Core processor */ ++#define EM_ME16 59 /* Toyota ME16 processor */ ++#define EM_ST100 60 /* STMicroelectronic ST100 processor */ ++#define EM_TINYJ 61 /* Advanced Logic Corp. Tinyj emb.fam*/ ++#define EM_X86_64 62 /* AMD x86-64 architecture */ ++#define EM_PDSP 63 /* Sony DSP Processor */ ++ ++#define EM_FX66 66 /* Siemens FX66 microcontroller */ ++#define EM_ST9PLUS 67 /* STMicroelectronics ST9+ 8/16 mc */ ++#define EM_ST7 68 /* STmicroelectronics ST7 8 bit mc */ ++#define EM_68HC16 69 /* Motorola MC68HC16 microcontroller */ ++#define EM_68HC11 70 /* Motorola MC68HC11 microcontroller */ ++#define EM_68HC08 71 /* Motorola MC68HC08 microcontroller */ ++#define EM_68HC05 72 /* Motorola MC68HC05 microcontroller */ ++#define EM_SVX 73 /* Silicon Graphics SVx */ ++#define EM_ST19 74 /* STMicroelectronics ST19 8 bit mc */ ++#define EM_VAX 75 /* Digital VAX */ ++#define EM_CRIS 76 /* Axis Communications 32-bit embedded processor */ ++#define EM_JAVELIN 77 /* Infineon Technologies 32-bit embedded processor */ ++#define EM_FIREPATH 78 /* Element 14 64-bit DSP Processor */ ++#define EM_ZSP 79 /* LSI Logic 16-bit DSP Processor */ ++#define EM_MMIX 80 /* Donald Knuth's educational 64-bit processor */ ++#define EM_HUANY 81 /* Harvard University machine-independent object files */ ++#define EM_PRISM 82 /* SiTera Prism */ ++#define EM_AVR 83 /* Atmel AVR 8-bit microcontroller */ ++#define EM_FR30 84 /* Fujitsu FR30 */ ++#define EM_D10V 85 /* Mitsubishi D10V */ ++#define EM_D30V 86 /* Mitsubishi D30V */ ++#define EM_V850 87 /* NEC v850 */ ++#define EM_M32R 88 /* Mitsubishi M32R */ ++#define EM_MN10300 89 /* Matsushita MN10300 */ ++#define EM_MN10200 90 /* Matsushita MN10200 */ ++#define EM_PJ 91 /* picoJava */ ++#define EM_OPENRISC 92 /* OpenRISC 32-bit embedded processor */ ++#define EM_ARC_A5 93 /* ARC Cores Tangent-A5 */ ++#define EM_XTENSA 94 /* Tensilica Xtensa Architecture */ ++#define EM_NUM 95 ++ ++/* If it is necessary to assign new unofficial EM_* values, please ++ pick large random numbers (0x8523, 0xa7f2, etc.) to minimize the ++ chances of collision with official or non-GNU unofficial values. */ ++ ++#define EM_ALPHA 0x9026 ++ ++/* Legal values for e_version (version). */ ++ ++#define EV_NONE 0 /* Invalid ELF version */ ++#define EV_CURRENT 1 /* Current version */ ++#define EV_NUM 2 ++ ++/* Section header. */ ++ ++typedef struct ++{ ++ Elf32_Word sh_name; /* Section name (string tbl index) */ ++ Elf32_Word sh_type; /* Section type */ ++ Elf32_Word sh_flags; /* Section flags */ ++ Elf32_Addr sh_addr; /* Section virtual addr at execution */ ++ Elf32_Off sh_offset; /* Section file offset */ ++ Elf32_Word sh_size; /* Section size in bytes */ ++ Elf32_Word sh_link; /* Link to another section */ ++ Elf32_Word sh_info; /* Additional section information */ ++ Elf32_Word sh_addralign; /* Section alignment */ ++ Elf32_Word sh_entsize; /* Entry size if section holds table */ ++} Elf32_Shdr; ++ ++typedef struct ++{ ++ Elf64_Word sh_name; /* Section name (string tbl index) */ ++ Elf64_Word sh_type; /* Section type */ ++ Elf64_Xword sh_flags; /* Section flags */ ++ Elf64_Addr sh_addr; /* Section virtual addr at execution */ ++ Elf64_Off sh_offset; /* Section file offset */ ++ Elf64_Xword sh_size; /* Section size in bytes */ ++ Elf64_Word sh_link; /* Link to another section */ ++ Elf64_Word sh_info; /* Additional section information */ ++ Elf64_Xword sh_addralign; /* Section alignment */ ++ Elf64_Xword sh_entsize; /* Entry size if section holds table */ ++} Elf64_Shdr; ++ ++/* Special section indices. */ ++ ++#define SHN_UNDEF 0 /* Undefined section */ ++#define SHN_LORESERVE 0xff00 /* Start of reserved indices */ ++#define SHN_LOPROC 0xff00 /* Start of processor-specific */ ++#define SHN_HIPROC 0xff1f /* End of processor-specific */ ++#define SHN_LOOS 0xff20 /* Start of OS-specific */ ++#define SHN_HIOS 0xff3f /* End of OS-specific */ ++#define SHN_ABS 0xfff1 /* Associated symbol is absolute */ ++#define SHN_COMMON 0xfff2 /* Associated symbol is common */ ++#define SHN_XINDEX 0xffff /* Index is in extra table. */ ++#define SHN_HIRESERVE 0xffff /* End of reserved indices */ ++ ++/* Legal values for sh_type (section type). */ ++ ++#define SHT_NULL 0 /* Section header table entry unused */ ++#define SHT_PROGBITS 1 /* Program data */ ++#define SHT_SYMTAB 2 /* Symbol table */ ++#define SHT_STRTAB 3 /* String table */ ++#define SHT_RELA 4 /* Relocation entries with addends */ ++#define SHT_HASH 5 /* Symbol hash table */ ++#define SHT_DYNAMIC 6 /* Dynamic linking information */ ++#define SHT_NOTE 7 /* Notes */ ++#define SHT_NOBITS 8 /* Program space with no data (bss) */ ++#define SHT_REL 9 /* Relocation entries, no addends */ ++#define SHT_SHLIB 10 /* Reserved */ ++#define SHT_DYNSYM 11 /* Dynamic linker symbol table */ ++#define SHT_INIT_ARRAY 14 /* Array of constructors */ ++#define SHT_FINI_ARRAY 15 /* Array of destructors */ ++#define SHT_PREINIT_ARRAY 16 /* Array of pre-constructors */ ++#define SHT_GROUP 17 /* Section group */ ++#define SHT_SYMTAB_SHNDX 18 /* Extended section indeces */ ++#define SHT_NUM 19 /* Number of defined types. */ ++#define SHT_LOOS 0x60000000 /* Start OS-specific */ ++#define SHT_GNU_LIBLIST 0x6ffffff7 /* Prelink library list */ ++#define SHT_CHECKSUM 0x6ffffff8 /* Checksum for DSO content. */ ++#define SHT_LOSUNW 0x6ffffffa /* Sun-specific low bound. */ ++#define SHT_SUNW_move 0x6ffffffa ++#define SHT_SUNW_COMDAT 0x6ffffffb ++#define SHT_SUNW_syminfo 0x6ffffffc ++#define SHT_GNU_verdef 0x6ffffffd /* Version definition section. */ ++#define SHT_GNU_verneed 0x6ffffffe /* Version needs section. */ ++#define SHT_GNU_versym 0x6fffffff /* Version symbol table. */ ++#define SHT_HISUNW 0x6fffffff /* Sun-specific high bound. */ ++#define SHT_HIOS 0x6fffffff /* End OS-specific type */ ++#define SHT_LOPROC 0x70000000 /* Start of processor-specific */ ++#define SHT_HIPROC 0x7fffffff /* End of processor-specific */ ++#define SHT_LOUSER 0x80000000 /* Start of application-specific */ ++#define SHT_HIUSER 0x8fffffff /* End of application-specific */ ++ ++/* Legal values for sh_flags (section flags). */ ++ ++#define SHF_WRITE (1 << 0) /* Writable */ ++#define SHF_ALLOC (1 << 1) /* Occupies memory during execution */ ++#define SHF_EXECINSTR (1 << 2) /* Executable */ ++#define SHF_MERGE (1 << 4) /* Might be merged */ ++#define SHF_STRINGS (1 << 5) /* Contains nul-terminated strings */ ++#define SHF_INFO_LINK (1 << 6) /* `sh_info' contains SHT index */ ++#define SHF_LINK_ORDER (1 << 7) /* Preserve order after combining */ ++#define SHF_OS_NONCONFORMING (1 << 8) /* Non-standard OS specific handling ++ required */ ++#define SHF_GROUP (1 << 9) /* Section is member of a group. */ ++#define SHF_TLS (1 << 10) /* Section hold thread-local data. */ ++#define SHF_MASKOS 0x0ff00000 /* OS-specific. */ ++#define SHF_MASKPROC 0xf0000000 /* Processor-specific */ ++ ++/* Section group handling. */ ++#define GRP_COMDAT 0x1 /* Mark group as COMDAT. */ ++ ++/* Symbol table entry. */ ++ ++typedef struct ++{ ++ Elf32_Word st_name; /* Symbol name (string tbl index) */ ++ Elf32_Addr st_value; /* Symbol value */ ++ Elf32_Word st_size; /* Symbol size */ ++ unsigned char st_info; /* Symbol type and binding */ ++ unsigned char st_other; /* Symbol visibility */ ++ Elf32_Section st_shndx; /* Section index */ ++} Elf32_Sym; ++ ++typedef struct ++{ ++ Elf64_Word st_name; /* Symbol name (string tbl index) */ ++ unsigned char st_info; /* Symbol type and binding */ ++ unsigned char st_other; /* Symbol visibility */ ++ Elf64_Section st_shndx; /* Section index */ ++ Elf64_Addr st_value; /* Symbol value */ ++ Elf64_Xword st_size; /* Symbol size */ ++} Elf64_Sym; ++ ++/* The syminfo section if available contains additional information about ++ every dynamic symbol. */ ++ ++typedef struct ++{ ++ Elf32_Half si_boundto; /* Direct bindings, symbol bound to */ ++ Elf32_Half si_flags; /* Per symbol flags */ ++} Elf32_Syminfo; ++ ++typedef struct ++{ ++ Elf64_Half si_boundto; /* Direct bindings, symbol bound to */ ++ Elf64_Half si_flags; /* Per symbol flags */ ++} Elf64_Syminfo; ++ ++/* Possible values for si_boundto. */ ++#define SYMINFO_BT_SELF 0xffff /* Symbol bound to self */ ++#define SYMINFO_BT_PARENT 0xfffe /* Symbol bound to parent */ ++#define SYMINFO_BT_LOWRESERVE 0xff00 /* Beginning of reserved entries */ ++ ++/* Possible bitmasks for si_flags. */ ++#define SYMINFO_FLG_DIRECT 0x0001 /* Direct bound symbol */ ++#define SYMINFO_FLG_PASSTHRU 0x0002 /* Pass-thru symbol for translator */ ++#define SYMINFO_FLG_COPY 0x0004 /* Symbol is a copy-reloc */ ++#define SYMINFO_FLG_LAZYLOAD 0x0008 /* Symbol bound to object to be lazy ++ loaded */ ++/* Syminfo version values. */ ++#define SYMINFO_NONE 0 ++#define SYMINFO_CURRENT 1 ++#define SYMINFO_NUM 2 ++ ++ ++/* How to extract and insert information held in the st_info field. */ ++ ++#define ELF32_ST_BIND(val) (((unsigned char) (val)) >> 4) ++#define ELF32_ST_TYPE(val) ((val) & 0xf) ++#define ELF32_ST_INFO(bind, type) (((bind) << 4) + ((type) & 0xf)) ++ ++/* Both Elf32_Sym and Elf64_Sym use the same one-byte st_info field. */ ++#define ELF64_ST_BIND(val) ELF32_ST_BIND (val) ++#define ELF64_ST_TYPE(val) ELF32_ST_TYPE (val) ++#define ELF64_ST_INFO(bind, type) ELF32_ST_INFO ((bind), (type)) ++ ++/* Legal values for ST_BIND subfield of st_info (symbol binding). */ ++ ++#define STB_LOCAL 0 /* Local symbol */ ++#define STB_GLOBAL 1 /* Global symbol */ ++#define STB_WEAK 2 /* Weak symbol */ ++#define STB_NUM 3 /* Number of defined types. */ ++#define STB_LOOS 10 /* Start of OS-specific */ ++#define STB_HIOS 12 /* End of OS-specific */ ++#define STB_LOPROC 13 /* Start of processor-specific */ ++#define STB_HIPROC 15 /* End of processor-specific */ ++ ++/* Legal values for ST_TYPE subfield of st_info (symbol type). */ ++ ++#define STT_NOTYPE 0 /* Symbol type is unspecified */ ++#define STT_OBJECT 1 /* Symbol is a data object */ ++#define STT_FUNC 2 /* Symbol is a code object */ ++#define STT_SECTION 3 /* Symbol associated with a section */ ++#define STT_FILE 4 /* Symbol's name is file name */ ++#define STT_COMMON 5 /* Symbol is a common data object */ ++#define STT_TLS 6 /* Symbol is thread-local data object*/ ++#define STT_NUM 7 /* Number of defined types. */ ++#define STT_LOOS 10 /* Start of OS-specific */ ++#define STT_HIOS 12 /* End of OS-specific */ ++#define STT_LOPROC 13 /* Start of processor-specific */ ++#define STT_HIPROC 15 /* End of processor-specific */ ++ ++ ++/* Symbol table indices are found in the hash buckets and chain table ++ of a symbol hash table section. This special index value indicates ++ the end of a chain, meaning no further symbols are found in that bucket. */ ++ ++#define STN_UNDEF 0 /* End of a chain. */ ++ ++ ++/* How to extract and insert information held in the st_other field. */ ++ ++#define ELF32_ST_VISIBILITY(o) ((o) & 0x03) ++ ++/* For ELF64 the definitions are the same. */ ++#define ELF64_ST_VISIBILITY(o) ELF32_ST_VISIBILITY (o) ++ ++/* Symbol visibility specification encoded in the st_other field. */ ++#define STV_DEFAULT 0 /* Default symbol visibility rules */ ++#define STV_INTERNAL 1 /* Processor specific hidden class */ ++#define STV_HIDDEN 2 /* Sym unavailable in other modules */ ++#define STV_PROTECTED 3 /* Not preemptible, not exported */ ++ ++ ++/* Relocation table entry without addend (in section of type SHT_REL). */ ++ ++typedef struct ++{ ++ Elf32_Addr r_offset; /* Address */ ++ Elf32_Word r_info; /* Relocation type and symbol index */ ++} Elf32_Rel; ++ ++/* I have seen two different definitions of the Elf64_Rel and ++ Elf64_Rela structures, so we'll leave them out until Novell (or ++ whoever) gets their act together. */ ++/* The following, at least, is used on Sparc v9, MIPS, and Alpha. */ ++ ++typedef struct ++{ ++ Elf64_Addr r_offset; /* Address */ ++ Elf64_Xword r_info; /* Relocation type and symbol index */ ++} Elf64_Rel; ++ ++/* Relocation table entry with addend (in section of type SHT_RELA). */ ++ ++typedef struct ++{ ++ Elf32_Addr r_offset; /* Address */ ++ Elf32_Word r_info; /* Relocation type and symbol index */ ++ Elf32_Sword r_addend; /* Addend */ ++} Elf32_Rela; ++ ++typedef struct ++{ ++ Elf64_Addr r_offset; /* Address */ ++ Elf64_Xword r_info; /* Relocation type and symbol index */ ++ Elf64_Sxword r_addend; /* Addend */ ++} Elf64_Rela; ++ ++/* How to extract and insert information held in the r_info field. */ ++ ++#define ELF32_R_SYM(val) ((val) >> 8) ++#define ELF32_R_TYPE(val) ((val) & 0xff) ++#define ELF32_R_INFO(sym, type) (((sym) << 8) + ((type) & 0xff)) ++ ++#define ELF64_R_SYM(i) ((i) >> 32) ++#define ELF64_R_TYPE(i) ((i) & 0xffffffff) ++#define ELF64_R_INFO(sym,type) ((((Elf64_Xword) (sym)) << 32) + (type)) ++ ++/* Program segment header. */ ++ ++typedef struct ++{ ++ Elf32_Word p_type; /* Segment type */ ++ Elf32_Off p_offset; /* Segment file offset */ ++ Elf32_Addr p_vaddr; /* Segment virtual address */ ++ Elf32_Addr p_paddr; /* Segment physical address */ ++ Elf32_Word p_filesz; /* Segment size in file */ ++ Elf32_Word p_memsz; /* Segment size in memory */ ++ Elf32_Word p_flags; /* Segment flags */ ++ Elf32_Word p_align; /* Segment alignment */ ++} Elf32_Phdr; ++ ++typedef struct ++{ ++ Elf64_Word p_type; /* Segment type */ ++ Elf64_Word p_flags; /* Segment flags */ ++ Elf64_Off p_offset; /* Segment file offset */ ++ Elf64_Addr p_vaddr; /* Segment virtual address */ ++ Elf64_Addr p_paddr; /* Segment physical address */ ++ Elf64_Xword p_filesz; /* Segment size in file */ ++ Elf64_Xword p_memsz; /* Segment size in memory */ ++ Elf64_Xword p_align; /* Segment alignment */ ++} Elf64_Phdr; ++ ++/* Legal values for p_type (segment type). */ ++ ++#define PT_NULL 0 /* Program header table entry unused */ ++#define PT_LOAD 1 /* Loadable program segment */ ++#define PT_DYNAMIC 2 /* Dynamic linking information */ ++#define PT_INTERP 3 /* Program interpreter */ ++#define PT_NOTE 4 /* Auxiliary information */ ++#define PT_SHLIB 5 /* Reserved */ ++#define PT_PHDR 6 /* Entry for header table itself */ ++#define PT_TLS 7 /* Thread-local storage segment */ ++#define PT_NUM 8 /* Number of defined types */ ++#define PT_LOOS 0x60000000 /* Start of OS-specific */ ++#define PT_GNU_EH_FRAME 0x6474e550 /* GCC .eh_frame_hdr segment */ ++#define PT_GNU_STACK 0x6474e551 /* Indicates stack executability */ ++#define PT_LOSUNW 0x6ffffffa ++#define PT_SUNWBSS 0x6ffffffa /* Sun Specific segment */ ++#define PT_SUNWSTACK 0x6ffffffb /* Stack segment */ ++#define PT_HISUNW 0x6fffffff ++#define PT_HIOS 0x6fffffff /* End of OS-specific */ ++#define PT_LOPROC 0x70000000 /* Start of processor-specific */ ++#define PT_HIPROC 0x7fffffff /* End of processor-specific */ ++ ++/* Legal values for p_flags (segment flags). */ ++ ++#define PF_X (1 << 0) /* Segment is executable */ ++#define PF_W (1 << 1) /* Segment is writable */ ++#define PF_R (1 << 2) /* Segment is readable */ ++#define PF_MASKOS 0x0ff00000 /* OS-specific */ ++#define PF_MASKPROC 0xf0000000 /* Processor-specific */ ++ ++/* Legal values for note segment descriptor types for core files. */ ++ ++#define NT_PRSTATUS 1 /* Contains copy of prstatus struct */ ++#define NT_FPREGSET 2 /* Contains copy of fpregset struct */ ++#define NT_PRPSINFO 3 /* Contains copy of prpsinfo struct */ ++#define NT_PRXREG 4 /* Contains copy of prxregset struct */ ++#define NT_TASKSTRUCT 4 /* Contains copy of task structure */ ++#define NT_PLATFORM 5 /* String from sysinfo(SI_PLATFORM) */ ++#define NT_AUXV 6 /* Contains copy of auxv array */ ++#define NT_GWINDOWS 7 /* Contains copy of gwindows struct */ ++#define NT_ASRS 8 /* Contains copy of asrset struct */ ++#define NT_PSTATUS 10 /* Contains copy of pstatus struct */ ++#define NT_PSINFO 13 /* Contains copy of psinfo struct */ ++#define NT_PRCRED 14 /* Contains copy of prcred struct */ ++#define NT_UTSNAME 15 /* Contains copy of utsname struct */ ++#define NT_LWPSTATUS 16 /* Contains copy of lwpstatus struct */ ++#define NT_LWPSINFO 17 /* Contains copy of lwpinfo struct */ ++#define NT_PRFPXREG 20 /* Contains copy of fprxregset struct*/ ++ ++/* Legal values for the note segment descriptor types for object files. */ ++ ++#define NT_VERSION 1 /* Contains a version string. */ ++ ++ ++/* Dynamic section entry. */ ++ ++typedef struct ++{ ++ Elf32_Sword d_tag; /* Dynamic entry type */ ++ union ++ { ++ Elf32_Word d_val; /* Integer value */ ++ Elf32_Addr d_ptr; /* Address value */ ++ } d_un; ++} Elf32_Dyn; ++ ++typedef struct ++{ ++ Elf64_Sxword d_tag; /* Dynamic entry type */ ++ union ++ { ++ Elf64_Xword d_val; /* Integer value */ ++ Elf64_Addr d_ptr; /* Address value */ ++ } d_un; ++} Elf64_Dyn; ++ ++/* Legal values for d_tag (dynamic entry type). */ ++ ++#define DT_NULL 0 /* Marks end of dynamic section */ ++#define DT_NEEDED 1 /* Name of needed library */ ++#define DT_PLTRELSZ 2 /* Size in bytes of PLT relocs */ ++#define DT_PLTGOT 3 /* Processor defined value */ ++#define DT_HASH 4 /* Address of symbol hash table */ ++#define DT_STRTAB 5 /* Address of string table */ ++#define DT_SYMTAB 6 /* Address of symbol table */ ++#define DT_RELA 7 /* Address of Rela relocs */ ++#define DT_RELASZ 8 /* Total size of Rela relocs */ ++#define DT_RELAENT 9 /* Size of one Rela reloc */ ++#define DT_STRSZ 10 /* Size of string table */ ++#define DT_SYMENT 11 /* Size of one symbol table entry */ ++#define DT_INIT 12 /* Address of init function */ ++#define DT_FINI 13 /* Address of termination function */ ++#define DT_SONAME 14 /* Name of shared object */ ++#define DT_RPATH 15 /* Library search path (deprecated) */ ++#define DT_SYMBOLIC 16 /* Start symbol search here */ ++#define DT_REL 17 /* Address of Rel relocs */ ++#define DT_RELSZ 18 /* Total size of Rel relocs */ ++#define DT_RELENT 19 /* Size of one Rel reloc */ ++#define DT_PLTREL 20 /* Type of reloc in PLT */ ++#define DT_DEBUG 21 /* For debugging; unspecified */ ++#define DT_TEXTREL 22 /* Reloc might modify .text */ ++#define DT_JMPREL 23 /* Address of PLT relocs */ ++#define DT_BIND_NOW 24 /* Process relocations of object */ ++#define DT_INIT_ARRAY 25 /* Array with addresses of init fct */ ++#define DT_FINI_ARRAY 26 /* Array with addresses of fini fct */ ++#define DT_INIT_ARRAYSZ 27 /* Size in bytes of DT_INIT_ARRAY */ ++#define DT_FINI_ARRAYSZ 28 /* Size in bytes of DT_FINI_ARRAY */ ++#define DT_RUNPATH 29 /* Library search path */ ++#define DT_FLAGS 30 /* Flags for the object being loaded */ ++#define DT_ENCODING 32 /* Start of encoded range */ ++#define DT_PREINIT_ARRAY 32 /* Array with addresses of preinit fct*/ ++#define DT_PREINIT_ARRAYSZ 33 /* size in bytes of DT_PREINIT_ARRAY */ ++#define DT_NUM 34 /* Number used */ ++#define DT_LOOS 0x6000000d /* Start of OS-specific */ ++#define DT_HIOS 0x6ffff000 /* End of OS-specific */ ++#define DT_LOPROC 0x70000000 /* Start of processor-specific */ ++#define DT_HIPROC 0x7fffffff /* End of processor-specific */ ++#define DT_PROCNUM DT_MIPS_NUM /* Most used by any processor */ ++ ++/* DT_* entries which fall between DT_VALRNGHI & DT_VALRNGLO use the ++ Dyn.d_un.d_val field of the Elf*_Dyn structure. This follows Sun's ++ approach. */ ++#define DT_VALRNGLO 0x6ffffd00 ++#define DT_GNU_PRELINKED 0x6ffffdf5 /* Prelinking timestamp */ ++#define DT_GNU_CONFLICTSZ 0x6ffffdf6 /* Size of conflict section */ ++#define DT_GNU_LIBLISTSZ 0x6ffffdf7 /* Size of library list */ ++#define DT_CHECKSUM 0x6ffffdf8 ++#define DT_PLTPADSZ 0x6ffffdf9 ++#define DT_MOVEENT 0x6ffffdfa ++#define DT_MOVESZ 0x6ffffdfb ++#define DT_FEATURE_1 0x6ffffdfc /* Feature selection (DTF_*). */ ++#define DT_POSFLAG_1 0x6ffffdfd /* Flags for DT_* entries, effecting ++ the following DT_* entry. */ ++#define DT_SYMINSZ 0x6ffffdfe /* Size of syminfo table (in bytes) */ ++#define DT_SYMINENT 0x6ffffdff /* Entry size of syminfo */ ++#define DT_VALRNGHI 0x6ffffdff ++#define DT_VALTAGIDX(tag) (DT_VALRNGHI - (tag)) /* Reverse order! */ ++#define DT_VALNUM 12 ++ ++/* DT_* entries which fall between DT_ADDRRNGHI & DT_ADDRRNGLO use the ++ Dyn.d_un.d_ptr field of the Elf*_Dyn structure. ++ ++ If any adjustment is made to the ELF object after it has been ++ built these entries will need to be adjusted. */ ++#define DT_ADDRRNGLO 0x6ffffe00 ++#define DT_GNU_CONFLICT 0x6ffffef8 /* Start of conflict section */ ++#define DT_GNU_LIBLIST 0x6ffffef9 /* Library list */ ++#define DT_CONFIG 0x6ffffefa /* Configuration information. */ ++#define DT_DEPAUDIT 0x6ffffefb /* Dependency auditing. */ ++#define DT_AUDIT 0x6ffffefc /* Object auditing. */ ++#define DT_PLTPAD 0x6ffffefd /* PLT padding. */ ++#define DT_MOVETAB 0x6ffffefe /* Move table. */ ++#define DT_SYMINFO 0x6ffffeff /* Syminfo table. */ ++#define DT_ADDRRNGHI 0x6ffffeff ++#define DT_ADDRTAGIDX(tag) (DT_ADDRRNGHI - (tag)) /* Reverse order! */ ++#define DT_ADDRNUM 10 ++ ++/* The versioning entry types. The next are defined as part of the ++ GNU extension. */ ++#define DT_VERSYM 0x6ffffff0 ++ ++#define DT_RELACOUNT 0x6ffffff9 ++#define DT_RELCOUNT 0x6ffffffa ++ ++/* These were chosen by Sun. */ ++#define DT_FLAGS_1 0x6ffffffb /* State flags, see DF_1_* below. */ ++#define DT_VERDEF 0x6ffffffc /* Address of version definition ++ table */ ++#define DT_VERDEFNUM 0x6ffffffd /* Number of version definitions */ ++#define DT_VERNEED 0x6ffffffe /* Address of table with needed ++ versions */ ++#define DT_VERNEEDNUM 0x6fffffff /* Number of needed versions */ ++#define DT_VERSIONTAGIDX(tag) (DT_VERNEEDNUM - (tag)) /* Reverse order! */ ++#define DT_VERSIONTAGNUM 16 ++ ++/* Sun added these machine-independent extensions in the "processor-specific" ++ range. Be compatible. */ ++#define DT_AUXILIARY 0x7ffffffd /* Shared object to load before self */ ++#define DT_FILTER 0x7fffffff /* Shared object to get values from */ ++#define DT_EXTRATAGIDX(tag) ((Elf32_Word)-((Elf32_Sword) (tag) <<1>>1)-1) ++#define DT_EXTRANUM 3 ++ ++/* Values of `d_un.d_val' in the DT_FLAGS entry. */ ++#define DF_ORIGIN 0x00000001 /* Object may use DF_ORIGIN */ ++#define DF_SYMBOLIC 0x00000002 /* Symbol resolutions starts here */ ++#define DF_TEXTREL 0x00000004 /* Object contains text relocations */ ++#define DF_BIND_NOW 0x00000008 /* No lazy binding for this object */ ++#define DF_STATIC_TLS 0x00000010 /* Module uses the static TLS model */ ++ ++/* State flags selectable in the `d_un.d_val' element of the DT_FLAGS_1 ++ entry in the dynamic section. */ ++#define DF_1_NOW 0x00000001 /* Set RTLD_NOW for this object. */ ++#define DF_1_GLOBAL 0x00000002 /* Set RTLD_GLOBAL for this object. */ ++#define DF_1_GROUP 0x00000004 /* Set RTLD_GROUP for this object. */ ++#define DF_1_NODELETE 0x00000008 /* Set RTLD_NODELETE for this object.*/ ++#define DF_1_LOADFLTR 0x00000010 /* Trigger filtee loading at runtime.*/ ++#define DF_1_INITFIRST 0x00000020 /* Set RTLD_INITFIRST for this object*/ ++#define DF_1_NOOPEN 0x00000040 /* Set RTLD_NOOPEN for this object. */ ++#define DF_1_ORIGIN 0x00000080 /* $ORIGIN must be handled. */ ++#define DF_1_DIRECT 0x00000100 /* Direct binding enabled. */ ++#define DF_1_TRANS 0x00000200 ++#define DF_1_INTERPOSE 0x00000400 /* Object is used to interpose. */ ++#define DF_1_NODEFLIB 0x00000800 /* Ignore default lib search path. */ ++#define DF_1_NODUMP 0x00001000 /* Object can't be dldump'ed. */ ++#define DF_1_CONFALT 0x00002000 /* Configuration alternative created.*/ ++#define DF_1_ENDFILTEE 0x00004000 /* Filtee terminates filters search. */ ++#define DF_1_DISPRELDNE 0x00008000 /* Disp reloc applied at build time. */ ++#define DF_1_DISPRELPND 0x00010000 /* Disp reloc applied at run-time. */ ++ ++/* Flags for the feature selection in DT_FEATURE_1. */ ++#define DTF_1_PARINIT 0x00000001 ++#define DTF_1_CONFEXP 0x00000002 ++ ++/* Flags in the DT_POSFLAG_1 entry effecting only the next DT_* entry. */ ++#define DF_P1_LAZYLOAD 0x00000001 /* Lazyload following object. */ ++#define DF_P1_GROUPPERM 0x00000002 /* Symbols from next object are not ++ generally available. */ ++ ++/* Version definition sections. */ ++ ++typedef struct ++{ ++ Elf32_Half vd_version; /* Version revision */ ++ Elf32_Half vd_flags; /* Version information */ ++ Elf32_Half vd_ndx; /* Version Index */ ++ Elf32_Half vd_cnt; /* Number of associated aux entries */ ++ Elf32_Word vd_hash; /* Version name hash value */ ++ Elf32_Word vd_aux; /* Offset in bytes to verdaux array */ ++ Elf32_Word vd_next; /* Offset in bytes to next verdef ++ entry */ ++} Elf32_Verdef; ++ ++typedef struct ++{ ++ Elf64_Half vd_version; /* Version revision */ ++ Elf64_Half vd_flags; /* Version information */ ++ Elf64_Half vd_ndx; /* Version Index */ ++ Elf64_Half vd_cnt; /* Number of associated aux entries */ ++ Elf64_Word vd_hash; /* Version name hash value */ ++ Elf64_Word vd_aux; /* Offset in bytes to verdaux array */ ++ Elf64_Word vd_next; /* Offset in bytes to next verdef ++ entry */ ++} Elf64_Verdef; ++ ++ ++/* Legal values for vd_version (version revision). */ ++#define VER_DEF_NONE 0 /* No version */ ++#define VER_DEF_CURRENT 1 /* Current version */ ++#define VER_DEF_NUM 2 /* Given version number */ ++ ++/* Legal values for vd_flags (version information flags). */ ++#define VER_FLG_BASE 0x1 /* Version definition of file itself */ ++#define VER_FLG_WEAK 0x2 /* Weak version identifier */ ++ ++/* Versym symbol index values. */ ++#define VER_NDX_LOCAL 0 /* Symbol is local. */ ++#define VER_NDX_GLOBAL 1 /* Symbol is global. */ ++#define VER_NDX_LORESERVE 0xff00 /* Beginning of reserved entries. */ ++#define VER_NDX_ELIMINATE 0xff01 /* Symbol is to be eliminated. */ ++ ++/* Auxialiary version information. */ ++ ++typedef struct ++{ ++ Elf32_Word vda_name; /* Version or dependency names */ ++ Elf32_Word vda_next; /* Offset in bytes to next verdaux ++ entry */ ++} Elf32_Verdaux; ++ ++typedef struct ++{ ++ Elf64_Word vda_name; /* Version or dependency names */ ++ Elf64_Word vda_next; /* Offset in bytes to next verdaux ++ entry */ ++} Elf64_Verdaux; ++ ++ ++/* Version dependency section. */ ++ ++typedef struct ++{ ++ Elf32_Half vn_version; /* Version of structure */ ++ Elf32_Half vn_cnt; /* Number of associated aux entries */ ++ Elf32_Word vn_file; /* Offset of filename for this ++ dependency */ ++ Elf32_Word vn_aux; /* Offset in bytes to vernaux array */ ++ Elf32_Word vn_next; /* Offset in bytes to next verneed ++ entry */ ++} Elf32_Verneed; ++ ++typedef struct ++{ ++ Elf64_Half vn_version; /* Version of structure */ ++ Elf64_Half vn_cnt; /* Number of associated aux entries */ ++ Elf64_Word vn_file; /* Offset of filename for this ++ dependency */ ++ Elf64_Word vn_aux; /* Offset in bytes to vernaux array */ ++ Elf64_Word vn_next; /* Offset in bytes to next verneed ++ entry */ ++} Elf64_Verneed; ++ ++ ++/* Legal values for vn_version (version revision). */ ++#define VER_NEED_NONE 0 /* No version */ ++#define VER_NEED_CURRENT 1 /* Current version */ ++#define VER_NEED_NUM 2 /* Given version number */ ++ ++/* Auxiliary needed version information. */ ++ ++typedef struct ++{ ++ Elf32_Word vna_hash; /* Hash value of dependency name */ ++ Elf32_Half vna_flags; /* Dependency specific information */ ++ Elf32_Half vna_other; /* Unused */ ++ Elf32_Word vna_name; /* Dependency name string offset */ ++ Elf32_Word vna_next; /* Offset in bytes to next vernaux ++ entry */ ++} Elf32_Vernaux; ++ ++typedef struct ++{ ++ Elf64_Word vna_hash; /* Hash value of dependency name */ ++ Elf64_Half vna_flags; /* Dependency specific information */ ++ Elf64_Half vna_other; /* Unused */ ++ Elf64_Word vna_name; /* Dependency name string offset */ ++ Elf64_Word vna_next; /* Offset in bytes to next vernaux ++ entry */ ++} Elf64_Vernaux; ++ ++ ++/* Legal values for vna_flags. */ ++#define VER_FLG_WEAK 0x2 /* Weak version identifier */ ++ ++ ++/* Auxiliary vector. */ ++ ++/* This vector is normally only used by the program interpreter. The ++ usual definition in an ABI supplement uses the name auxv_t. The ++ vector is not usually defined in a standard file, but it ++ can't hurt. We rename it to avoid conflicts. The sizes of these ++ types are an arrangement between the exec server and the program ++ interpreter, so we don't fully specify them here. */ ++ ++typedef struct ++{ ++ int a_type; /* Entry type */ ++ union ++ { ++ long int a_val; /* Integer value */ ++ void *a_ptr; /* Pointer value */ ++ void (*a_fcn) (void); /* Function pointer value */ ++ } a_un; ++} Elf32_auxv_t; ++ ++typedef struct ++{ ++ long int a_type; /* Entry type */ ++ union ++ { ++ long int a_val; /* Integer value */ ++ void *a_ptr; /* Pointer value */ ++ void (*a_fcn) (void); /* Function pointer value */ ++ } a_un; ++} Elf64_auxv_t; ++ ++/* Legal values for a_type (entry type). */ ++ ++#define AT_NULL 0 /* End of vector */ ++#define AT_IGNORE 1 /* Entry should be ignored */ ++#define AT_EXECFD 2 /* File descriptor of program */ ++#define AT_PHDR 3 /* Program headers for program */ ++#define AT_PHENT 4 /* Size of program header entry */ ++#define AT_PHNUM 5 /* Number of program headers */ ++#define AT_PAGESZ 6 /* System page size */ ++#define AT_BASE 7 /* Base address of interpreter */ ++#define AT_FLAGS 8 /* Flags */ ++#define AT_ENTRY 9 /* Entry point of program */ ++#define AT_NOTELF 10 /* Program is not ELF */ ++#define AT_UID 11 /* Real uid */ ++#define AT_EUID 12 /* Effective uid */ ++#define AT_GID 13 /* Real gid */ ++#define AT_EGID 14 /* Effective gid */ ++#define AT_CLKTCK 17 /* Frequency of times() */ ++ ++/* Some more special a_type values describing the hardware. */ ++#define AT_PLATFORM 15 /* String identifying platform. */ ++#define AT_HWCAP 16 /* Machine dependent hints about ++ processor capabilities. */ ++ ++/* This entry gives some information about the FPU initialization ++ performed by the kernel. */ ++#define AT_FPUCW 18 /* Used FPU control word. */ ++ ++/* Cache block sizes. */ ++#define AT_DCACHEBSIZE 19 /* Data cache block size. */ ++#define AT_ICACHEBSIZE 20 /* Instruction cache block size. */ ++#define AT_UCACHEBSIZE 21 /* Unified cache block size. */ ++ ++/* A special ignored value for PPC, used by the kernel to control the ++ interpretation of the AUXV. Must be > 16. */ ++#define AT_IGNOREPPC 22 /* Entry should be ignored. */ ++ ++#define AT_SECURE 23 /* Boolean, was exec setuid-like? */ ++ ++/* Pointer to the global system page used for system calls and other ++ nice things. */ ++#define AT_SYSINFO 32 ++#define AT_SYSINFO_EHDR 33 ++ ++ ++/* Note section contents. Each entry in the note section begins with ++ a header of a fixed form. */ ++ ++typedef struct ++{ ++ Elf32_Word n_namesz; /* Length of the note's name. */ ++ Elf32_Word n_descsz; /* Length of the note's descriptor. */ ++ Elf32_Word n_type; /* Type of the note. */ ++} Elf32_Nhdr; ++ ++typedef struct ++{ ++ Elf64_Word n_namesz; /* Length of the note's name. */ ++ Elf64_Word n_descsz; /* Length of the note's descriptor. */ ++ Elf64_Word n_type; /* Type of the note. */ ++} Elf64_Nhdr; ++ ++/* Known names of notes. */ ++ ++/* Solaris entries in the note section have this name. */ ++#define ELF_NOTE_SOLARIS "SUNW Solaris" ++ ++/* Note entries for GNU systems have this name. */ ++#define ELF_NOTE_GNU "GNU" ++ ++ ++/* Defined types of notes for Solaris. */ ++ ++/* Value of descriptor (one word) is desired pagesize for the binary. */ ++#define ELF_NOTE_PAGESIZE_HINT 1 ++ ++ ++/* Defined note types for GNU systems. */ ++ ++/* ABI information. The descriptor consists of words: ++ word 0: OS descriptor ++ word 1: major version of the ABI ++ word 2: minor version of the ABI ++ word 3: subminor version of the ABI ++*/ ++#define ELF_NOTE_ABI 1 ++ ++/* Known OSes. These value can appear in word 0 of an ELF_NOTE_ABI ++ note section entry. */ ++#define ELF_NOTE_OS_LINUX 0 ++#define ELF_NOTE_OS_GNU 1 ++#define ELF_NOTE_OS_SOLARIS2 2 ++#define ELF_NOTE_OS_FREEBSD 3 ++ ++ ++/* Move records. */ ++typedef struct ++{ ++ Elf32_Xword m_value; /* Symbol value. */ ++ Elf32_Word m_info; /* Size and index. */ ++ Elf32_Word m_poffset; /* Symbol offset. */ ++ Elf32_Half m_repeat; /* Repeat count. */ ++ Elf32_Half m_stride; /* Stride info. */ ++} Elf32_Move; ++ ++typedef struct ++{ ++ Elf64_Xword m_value; /* Symbol value. */ ++ Elf64_Xword m_info; /* Size and index. */ ++ Elf64_Xword m_poffset; /* Symbol offset. */ ++ Elf64_Half m_repeat; /* Repeat count. */ ++ Elf64_Half m_stride; /* Stride info. */ ++} Elf64_Move; ++ ++/* Macro to construct move records. */ ++#define ELF32_M_SYM(info) ((info) >> 8) ++#define ELF32_M_SIZE(info) ((unsigned char) (info)) ++#define ELF32_M_INFO(sym, size) (((sym) << 8) + (unsigned char) (size)) ++ ++#define ELF64_M_SYM(info) ELF32_M_SYM (info) ++#define ELF64_M_SIZE(info) ELF32_M_SIZE (info) ++#define ELF64_M_INFO(sym, size) ELF32_M_INFO (sym, size) ++ ++ ++/* Motorola 68k specific definitions. */ ++ ++/* Values for Elf32_Ehdr.e_flags. */ ++#define EF_CPU32 0x00810000 ++ ++/* m68k relocs. */ ++ ++#define R_68K_NONE 0 /* No reloc */ ++#define R_68K_32 1 /* Direct 32 bit */ ++#define R_68K_16 2 /* Direct 16 bit */ ++#define R_68K_8 3 /* Direct 8 bit */ ++#define R_68K_PC32 4 /* PC relative 32 bit */ ++#define R_68K_PC16 5 /* PC relative 16 bit */ ++#define R_68K_PC8 6 /* PC relative 8 bit */ ++#define R_68K_GOT32 7 /* 32 bit PC relative GOT entry */ ++#define R_68K_GOT16 8 /* 16 bit PC relative GOT entry */ ++#define R_68K_GOT8 9 /* 8 bit PC relative GOT entry */ ++#define R_68K_GOT32O 10 /* 32 bit GOT offset */ ++#define R_68K_GOT16O 11 /* 16 bit GOT offset */ ++#define R_68K_GOT8O 12 /* 8 bit GOT offset */ ++#define R_68K_PLT32 13 /* 32 bit PC relative PLT address */ ++#define R_68K_PLT16 14 /* 16 bit PC relative PLT address */ ++#define R_68K_PLT8 15 /* 8 bit PC relative PLT address */ ++#define R_68K_PLT32O 16 /* 32 bit PLT offset */ ++#define R_68K_PLT16O 17 /* 16 bit PLT offset */ ++#define R_68K_PLT8O 18 /* 8 bit PLT offset */ ++#define R_68K_COPY 19 /* Copy symbol at runtime */ ++#define R_68K_GLOB_DAT 20 /* Create GOT entry */ ++#define R_68K_JMP_SLOT 21 /* Create PLT entry */ ++#define R_68K_RELATIVE 22 /* Adjust by program base */ ++/* Keep this the last entry. */ ++#define R_68K_NUM 23 ++ ++/* Intel 80386 specific definitions. */ ++ ++/* i386 relocs. */ ++ ++#define R_386_NONE 0 /* No reloc */ ++#define R_386_32 1 /* Direct 32 bit */ ++#define R_386_PC32 2 /* PC relative 32 bit */ ++#define R_386_GOT32 3 /* 32 bit GOT entry */ ++#define R_386_PLT32 4 /* 32 bit PLT address */ ++#define R_386_COPY 5 /* Copy symbol at runtime */ ++#define R_386_GLOB_DAT 6 /* Create GOT entry */ ++#define R_386_JMP_SLOT 7 /* Create PLT entry */ ++#define R_386_RELATIVE 8 /* Adjust by program base */ ++#define R_386_GOTOFF 9 /* 32 bit offset to GOT */ ++#define R_386_GOTPC 10 /* 32 bit PC relative offset to GOT */ ++#define R_386_32PLT 11 ++#define R_386_TLS_TPOFF 14 /* Offset in static TLS block */ ++#define R_386_TLS_IE 15 /* Address of GOT entry for static TLS ++ block offset */ ++#define R_386_TLS_GOTIE 16 /* GOT entry for static TLS block ++ offset */ ++#define R_386_TLS_LE 17 /* Offset relative to static TLS ++ block */ ++#define R_386_TLS_GD 18 /* Direct 32 bit for GNU version of ++ general dynamic thread local data */ ++#define R_386_TLS_LDM 19 /* Direct 32 bit for GNU version of ++ local dynamic thread local data ++ in LE code */ ++#define R_386_16 20 ++#define R_386_PC16 21 ++#define R_386_8 22 ++#define R_386_PC8 23 ++#define R_386_TLS_GD_32 24 /* Direct 32 bit for general dynamic ++ thread local data */ ++#define R_386_TLS_GD_PUSH 25 /* Tag for pushl in GD TLS code */ ++#define R_386_TLS_GD_CALL 26 /* Relocation for call to ++ __tls_get_addr() */ ++#define R_386_TLS_GD_POP 27 /* Tag for popl in GD TLS code */ ++#define R_386_TLS_LDM_32 28 /* Direct 32 bit for local dynamic ++ thread local data in LE code */ ++#define R_386_TLS_LDM_PUSH 29 /* Tag for pushl in LDM TLS code */ ++#define R_386_TLS_LDM_CALL 30 /* Relocation for call to ++ __tls_get_addr() in LDM code */ ++#define R_386_TLS_LDM_POP 31 /* Tag for popl in LDM TLS code */ ++#define R_386_TLS_LDO_32 32 /* Offset relative to TLS block */ ++#define R_386_TLS_IE_32 33 /* GOT entry for negated static TLS ++ block offset */ ++#define R_386_TLS_LE_32 34 /* Negated offset relative to static ++ TLS block */ ++#define R_386_TLS_DTPMOD32 35 /* ID of module containing symbol */ ++#define R_386_TLS_DTPOFF32 36 /* Offset in TLS block */ ++#define R_386_TLS_TPOFF32 37 /* Negated offset in static TLS block */ ++/* Keep this the last entry. */ ++#define R_386_NUM 38 ++ ++/* SUN SPARC specific definitions. */ ++ ++/* Legal values for ST_TYPE subfield of st_info (symbol type). */ ++ ++#define STT_REGISTER 13 /* Global register reserved to app. */ ++ ++/* Values for Elf64_Ehdr.e_flags. */ ++ ++#define EF_SPARCV9_MM 3 ++#define EF_SPARCV9_TSO 0 ++#define EF_SPARCV9_PSO 1 ++#define EF_SPARCV9_RMO 2 ++#define EF_SPARC_LEDATA 0x800000 /* little endian data */ ++#define EF_SPARC_EXT_MASK 0xFFFF00 ++#define EF_SPARC_32PLUS 0x000100 /* generic V8+ features */ ++#define EF_SPARC_SUN_US1 0x000200 /* Sun UltraSPARC1 extensions */ ++#define EF_SPARC_HAL_R1 0x000400 /* HAL R1 extensions */ ++#define EF_SPARC_SUN_US3 0x000800 /* Sun UltraSPARCIII extensions */ ++ ++/* SPARC relocs. */ ++ ++#define R_SPARC_NONE 0 /* No reloc */ ++#define R_SPARC_8 1 /* Direct 8 bit */ ++#define R_SPARC_16 2 /* Direct 16 bit */ ++#define R_SPARC_32 3 /* Direct 32 bit */ ++#define R_SPARC_DISP8 4 /* PC relative 8 bit */ ++#define R_SPARC_DISP16 5 /* PC relative 16 bit */ ++#define R_SPARC_DISP32 6 /* PC relative 32 bit */ ++#define R_SPARC_WDISP30 7 /* PC relative 30 bit shifted */ ++#define R_SPARC_WDISP22 8 /* PC relative 22 bit shifted */ ++#define R_SPARC_HI22 9 /* High 22 bit */ ++#define R_SPARC_22 10 /* Direct 22 bit */ ++#define R_SPARC_13 11 /* Direct 13 bit */ ++#define R_SPARC_LO10 12 /* Truncated 10 bit */ ++#define R_SPARC_GOT10 13 /* Truncated 10 bit GOT entry */ ++#define R_SPARC_GOT13 14 /* 13 bit GOT entry */ ++#define R_SPARC_GOT22 15 /* 22 bit GOT entry shifted */ ++#define R_SPARC_PC10 16 /* PC relative 10 bit truncated */ ++#define R_SPARC_PC22 17 /* PC relative 22 bit shifted */ ++#define R_SPARC_WPLT30 18 /* 30 bit PC relative PLT address */ ++#define R_SPARC_COPY 19 /* Copy symbol at runtime */ ++#define R_SPARC_GLOB_DAT 20 /* Create GOT entry */ ++#define R_SPARC_JMP_SLOT 21 /* Create PLT entry */ ++#define R_SPARC_RELATIVE 22 /* Adjust by program base */ ++#define R_SPARC_UA32 23 /* Direct 32 bit unaligned */ ++ ++/* Additional Sparc64 relocs. */ ++ ++#define R_SPARC_PLT32 24 /* Direct 32 bit ref to PLT entry */ ++#define R_SPARC_HIPLT22 25 /* High 22 bit PLT entry */ ++#define R_SPARC_LOPLT10 26 /* Truncated 10 bit PLT entry */ ++#define R_SPARC_PCPLT32 27 /* PC rel 32 bit ref to PLT entry */ ++#define R_SPARC_PCPLT22 28 /* PC rel high 22 bit PLT entry */ ++#define R_SPARC_PCPLT10 29 /* PC rel trunc 10 bit PLT entry */ ++#define R_SPARC_10 30 /* Direct 10 bit */ ++#define R_SPARC_11 31 /* Direct 11 bit */ ++#define R_SPARC_64 32 /* Direct 64 bit */ ++#define R_SPARC_OLO10 33 /* 10bit with secondary 13bit addend */ ++#define R_SPARC_HH22 34 /* Top 22 bits of direct 64 bit */ ++#define R_SPARC_HM10 35 /* High middle 10 bits of ... */ ++#define R_SPARC_LM22 36 /* Low middle 22 bits of ... */ ++#define R_SPARC_PC_HH22 37 /* Top 22 bits of pc rel 64 bit */ ++#define R_SPARC_PC_HM10 38 /* High middle 10 bit of ... */ ++#define R_SPARC_PC_LM22 39 /* Low miggle 22 bits of ... */ ++#define R_SPARC_WDISP16 40 /* PC relative 16 bit shifted */ ++#define R_SPARC_WDISP19 41 /* PC relative 19 bit shifted */ ++#define R_SPARC_7 43 /* Direct 7 bit */ ++#define R_SPARC_5 44 /* Direct 5 bit */ ++#define R_SPARC_6 45 /* Direct 6 bit */ ++#define R_SPARC_DISP64 46 /* PC relative 64 bit */ ++#define R_SPARC_PLT64 47 /* Direct 64 bit ref to PLT entry */ ++#define R_SPARC_HIX22 48 /* High 22 bit complemented */ ++#define R_SPARC_LOX10 49 /* Truncated 11 bit complemented */ ++#define R_SPARC_H44 50 /* Direct high 12 of 44 bit */ ++#define R_SPARC_M44 51 /* Direct mid 22 of 44 bit */ ++#define R_SPARC_L44 52 /* Direct low 10 of 44 bit */ ++#define R_SPARC_REGISTER 53 /* Global register usage */ ++#define R_SPARC_UA64 54 /* Direct 64 bit unaligned */ ++#define R_SPARC_UA16 55 /* Direct 16 bit unaligned */ ++#define R_SPARC_TLS_GD_HI22 56 ++#define R_SPARC_TLS_GD_LO10 57 ++#define R_SPARC_TLS_GD_ADD 58 ++#define R_SPARC_TLS_GD_CALL 59 ++#define R_SPARC_TLS_LDM_HI22 60 ++#define R_SPARC_TLS_LDM_LO10 61 ++#define R_SPARC_TLS_LDM_ADD 62 ++#define R_SPARC_TLS_LDM_CALL 63 ++#define R_SPARC_TLS_LDO_HIX22 64 ++#define R_SPARC_TLS_LDO_LOX10 65 ++#define R_SPARC_TLS_LDO_ADD 66 ++#define R_SPARC_TLS_IE_HI22 67 ++#define R_SPARC_TLS_IE_LO10 68 ++#define R_SPARC_TLS_IE_LD 69 ++#define R_SPARC_TLS_IE_LDX 70 ++#define R_SPARC_TLS_IE_ADD 71 ++#define R_SPARC_TLS_LE_HIX22 72 ++#define R_SPARC_TLS_LE_LOX10 73 ++#define R_SPARC_TLS_DTPMOD32 74 ++#define R_SPARC_TLS_DTPMOD64 75 ++#define R_SPARC_TLS_DTPOFF32 76 ++#define R_SPARC_TLS_DTPOFF64 77 ++#define R_SPARC_TLS_TPOFF32 78 ++#define R_SPARC_TLS_TPOFF64 79 ++/* Keep this the last entry. */ ++#define R_SPARC_NUM 80 ++ ++/* For Sparc64, legal values for d_tag of Elf64_Dyn. */ ++ ++#define DT_SPARC_REGISTER 0x70000001 ++#define DT_SPARC_NUM 2 ++ ++/* Bits present in AT_HWCAP, primarily for Sparc32. */ ++ ++#define HWCAP_SPARC_FLUSH 1 /* The cpu supports flush insn. */ ++#define HWCAP_SPARC_STBAR 2 ++#define HWCAP_SPARC_SWAP 4 ++#define HWCAP_SPARC_MULDIV 8 ++#define HWCAP_SPARC_V9 16 /* The cpu is v9, so v8plus is ok. */ ++#define HWCAP_SPARC_ULTRA3 32 ++ ++/* MIPS R3000 specific definitions. */ ++ ++/* Legal values for e_flags field of Elf32_Ehdr. */ ++ ++#define EF_MIPS_NOREORDER 1 /* A .noreorder directive was used */ ++#define EF_MIPS_PIC 2 /* Contains PIC code */ ++#define EF_MIPS_CPIC 4 /* Uses PIC calling sequence */ ++#define EF_MIPS_XGOT 8 ++#define EF_MIPS_64BIT_WHIRL 16 ++#define EF_MIPS_ABI2 32 ++#define EF_MIPS_ABI_ON32 64 ++#define EF_MIPS_ARCH 0xf0000000 /* MIPS architecture level */ ++ ++/* Legal values for MIPS architecture level. */ ++ ++#define EF_MIPS_ARCH_1 0x00000000 /* -mips1 code. */ ++#define EF_MIPS_ARCH_2 0x10000000 /* -mips2 code. */ ++#define EF_MIPS_ARCH_3 0x20000000 /* -mips3 code. */ ++#define EF_MIPS_ARCH_4 0x30000000 /* -mips4 code. */ ++#define EF_MIPS_ARCH_5 0x40000000 /* -mips5 code. */ ++#define EF_MIPS_ARCH_32 0x60000000 /* MIPS32 code. */ ++#define EF_MIPS_ARCH_64 0x70000000 /* MIPS64 code. */ ++ ++/* The following are non-official names and should not be used. */ ++ ++#define E_MIPS_ARCH_1 0x00000000 /* -mips1 code. */ ++#define E_MIPS_ARCH_2 0x10000000 /* -mips2 code. */ ++#define E_MIPS_ARCH_3 0x20000000 /* -mips3 code. */ ++#define E_MIPS_ARCH_4 0x30000000 /* -mips4 code. */ ++#define E_MIPS_ARCH_5 0x40000000 /* -mips5 code. */ ++#define E_MIPS_ARCH_32 0x60000000 /* MIPS32 code. */ ++#define E_MIPS_ARCH_64 0x70000000 /* MIPS64 code. */ ++ ++/* Special section indices. */ ++ ++#define SHN_MIPS_ACOMMON 0xff00 /* Allocated common symbols */ ++#define SHN_MIPS_TEXT 0xff01 /* Allocated test symbols. */ ++#define SHN_MIPS_DATA 0xff02 /* Allocated data symbols. */ ++#define SHN_MIPS_SCOMMON 0xff03 /* Small common symbols */ ++#define SHN_MIPS_SUNDEFINED 0xff04 /* Small undefined symbols */ ++ ++/* Legal values for sh_type field of Elf32_Shdr. */ ++ ++#define SHT_MIPS_LIBLIST 0x70000000 /* Shared objects used in link */ ++#define SHT_MIPS_MSYM 0x70000001 ++#define SHT_MIPS_CONFLICT 0x70000002 /* Conflicting symbols */ ++#define SHT_MIPS_GPTAB 0x70000003 /* Global data area sizes */ ++#define SHT_MIPS_UCODE 0x70000004 /* Reserved for SGI/MIPS compilers */ ++#define SHT_MIPS_DEBUG 0x70000005 /* MIPS ECOFF debugging information*/ ++#define SHT_MIPS_REGINFO 0x70000006 /* Register usage information */ ++#define SHT_MIPS_PACKAGE 0x70000007 ++#define SHT_MIPS_PACKSYM 0x70000008 ++#define SHT_MIPS_RELD 0x70000009 ++#define SHT_MIPS_IFACE 0x7000000b ++#define SHT_MIPS_CONTENT 0x7000000c ++#define SHT_MIPS_OPTIONS 0x7000000d /* Miscellaneous options. */ ++#define SHT_MIPS_SHDR 0x70000010 ++#define SHT_MIPS_FDESC 0x70000011 ++#define SHT_MIPS_EXTSYM 0x70000012 ++#define SHT_MIPS_DENSE 0x70000013 ++#define SHT_MIPS_PDESC 0x70000014 ++#define SHT_MIPS_LOCSYM 0x70000015 ++#define SHT_MIPS_AUXSYM 0x70000016 ++#define SHT_MIPS_OPTSYM 0x70000017 ++#define SHT_MIPS_LOCSTR 0x70000018 ++#define SHT_MIPS_LINE 0x70000019 ++#define SHT_MIPS_RFDESC 0x7000001a ++#define SHT_MIPS_DELTASYM 0x7000001b ++#define SHT_MIPS_DELTAINST 0x7000001c ++#define SHT_MIPS_DELTACLASS 0x7000001d ++#define SHT_MIPS_DWARF 0x7000001e /* DWARF debugging information. */ ++#define SHT_MIPS_DELTADECL 0x7000001f ++#define SHT_MIPS_SYMBOL_LIB 0x70000020 ++#define SHT_MIPS_EVENTS 0x70000021 /* Event section. */ ++#define SHT_MIPS_TRANSLATE 0x70000022 ++#define SHT_MIPS_PIXIE 0x70000023 ++#define SHT_MIPS_XLATE 0x70000024 ++#define SHT_MIPS_XLATE_DEBUG 0x70000025 ++#define SHT_MIPS_WHIRL 0x70000026 ++#define SHT_MIPS_EH_REGION 0x70000027 ++#define SHT_MIPS_XLATE_OLD 0x70000028 ++#define SHT_MIPS_PDR_EXCEPTION 0x70000029 ++ ++/* Legal values for sh_flags field of Elf32_Shdr. */ ++ ++#define SHF_MIPS_GPREL 0x10000000 /* Must be part of global data area */ ++#define SHF_MIPS_MERGE 0x20000000 ++#define SHF_MIPS_ADDR 0x40000000 ++#define SHF_MIPS_STRINGS 0x80000000 ++#define SHF_MIPS_NOSTRIP 0x08000000 ++#define SHF_MIPS_LOCAL 0x04000000 ++#define SHF_MIPS_NAMES 0x02000000 ++#define SHF_MIPS_NODUPE 0x01000000 ++ ++ ++/* Symbol tables. */ ++ ++/* MIPS specific values for `st_other'. */ ++#define STO_MIPS_DEFAULT 0x0 ++#define STO_MIPS_INTERNAL 0x1 ++#define STO_MIPS_HIDDEN 0x2 ++#define STO_MIPS_PROTECTED 0x3 ++#define STO_MIPS_SC_ALIGN_UNUSED 0xff ++ ++/* MIPS specific values for `st_info'. */ ++#define STB_MIPS_SPLIT_COMMON 13 ++ ++/* Entries found in sections of type SHT_MIPS_GPTAB. */ ++ ++typedef union ++{ ++ struct ++ { ++ Elf32_Word gt_current_g_value; /* -G value used for compilation */ ++ Elf32_Word gt_unused; /* Not used */ ++ } gt_header; /* First entry in section */ ++ struct ++ { ++ Elf32_Word gt_g_value; /* If this value were used for -G */ ++ Elf32_Word gt_bytes; /* This many bytes would be used */ ++ } gt_entry; /* Subsequent entries in section */ ++} Elf32_gptab; ++ ++/* Entry found in sections of type SHT_MIPS_REGINFO. */ ++ ++typedef struct ++{ ++ Elf32_Word ri_gprmask; /* General registers used */ ++ Elf32_Word ri_cprmask[4]; /* Coprocessor registers used */ ++ Elf32_Sword ri_gp_value; /* $gp register value */ ++} Elf32_RegInfo; ++ ++/* Entries found in sections of type SHT_MIPS_OPTIONS. */ ++ ++typedef struct ++{ ++ unsigned char kind; /* Determines interpretation of the ++ variable part of descriptor. */ ++ unsigned char size; /* Size of descriptor, including header. */ ++ Elf32_Section section; /* Section header index of section affected, ++ 0 for global options. */ ++ Elf32_Word info; /* Kind-specific information. */ ++} Elf_Options; ++ ++/* Values for `kind' field in Elf_Options. */ ++ ++#define ODK_NULL 0 /* Undefined. */ ++#define ODK_REGINFO 1 /* Register usage information. */ ++#define ODK_EXCEPTIONS 2 /* Exception processing options. */ ++#define ODK_PAD 3 /* Section padding options. */ ++#define ODK_HWPATCH 4 /* Hardware workarounds performed */ ++#define ODK_FILL 5 /* record the fill value used by the linker. */ ++#define ODK_TAGS 6 /* reserve space for desktop tools to write. */ ++#define ODK_HWAND 7 /* HW workarounds. 'AND' bits when merging. */ ++#define ODK_HWOR 8 /* HW workarounds. 'OR' bits when merging. */ ++ ++/* Values for `info' in Elf_Options for ODK_EXCEPTIONS entries. */ ++ ++#define OEX_FPU_MIN 0x1f /* FPE's which MUST be enabled. */ ++#define OEX_FPU_MAX 0x1f00 /* FPE's which MAY be enabled. */ ++#define OEX_PAGE0 0x10000 /* page zero must be mapped. */ ++#define OEX_SMM 0x20000 /* Force sequential memory mode? */ ++#define OEX_FPDBUG 0x40000 /* Force floating point debug mode? */ ++#define OEX_PRECISEFP OEX_FPDBUG ++#define OEX_DISMISS 0x80000 /* Dismiss invalid address faults? */ ++ ++#define OEX_FPU_INVAL 0x10 ++#define OEX_FPU_DIV0 0x08 ++#define OEX_FPU_OFLO 0x04 ++#define OEX_FPU_UFLO 0x02 ++#define OEX_FPU_INEX 0x01 ++ ++/* Masks for `info' in Elf_Options for an ODK_HWPATCH entry. */ ++ ++#define OHW_R4KEOP 0x1 /* R4000 end-of-page patch. */ ++#define OHW_R8KPFETCH 0x2 /* may need R8000 prefetch patch. */ ++#define OHW_R5KEOP 0x4 /* R5000 end-of-page patch. */ ++#define OHW_R5KCVTL 0x8 /* R5000 cvt.[ds].l bug. clean=1. */ ++ ++#define OPAD_PREFIX 0x1 ++#define OPAD_POSTFIX 0x2 ++#define OPAD_SYMBOL 0x4 ++ ++/* Entry found in `.options' section. */ ++ ++typedef struct ++{ ++ Elf32_Word hwp_flags1; /* Extra flags. */ ++ Elf32_Word hwp_flags2; /* Extra flags. */ ++} Elf_Options_Hw; ++ ++/* Masks for `info' in ElfOptions for ODK_HWAND and ODK_HWOR entries. */ ++ ++#define OHWA0_R4KEOP_CHECKED 0x00000001 ++#define OHWA1_R4KEOP_CLEAN 0x00000002 ++ ++/* MIPS relocs. */ ++ ++#define R_MIPS_NONE 0 /* No reloc */ ++#define R_MIPS_16 1 /* Direct 16 bit */ ++#define R_MIPS_32 2 /* Direct 32 bit */ ++#define R_MIPS_REL32 3 /* PC relative 32 bit */ ++#define R_MIPS_26 4 /* Direct 26 bit shifted */ ++#define R_MIPS_HI16 5 /* High 16 bit */ ++#define R_MIPS_LO16 6 /* Low 16 bit */ ++#define R_MIPS_GPREL16 7 /* GP relative 16 bit */ ++#define R_MIPS_LITERAL 8 /* 16 bit literal entry */ ++#define R_MIPS_GOT16 9 /* 16 bit GOT entry */ ++#define R_MIPS_PC16 10 /* PC relative 16 bit */ ++#define R_MIPS_CALL16 11 /* 16 bit GOT entry for function */ ++#define R_MIPS_GPREL32 12 /* GP relative 32 bit */ ++ ++#define R_MIPS_SHIFT5 16 ++#define R_MIPS_SHIFT6 17 ++#define R_MIPS_64 18 ++#define R_MIPS_GOT_DISP 19 ++#define R_MIPS_GOT_PAGE 20 ++#define R_MIPS_GOT_OFST 21 ++#define R_MIPS_GOT_HI16 22 ++#define R_MIPS_GOT_LO16 23 ++#define R_MIPS_SUB 24 ++#define R_MIPS_INSERT_A 25 ++#define R_MIPS_INSERT_B 26 ++#define R_MIPS_DELETE 27 ++#define R_MIPS_HIGHER 28 ++#define R_MIPS_HIGHEST 29 ++#define R_MIPS_CALL_HI16 30 ++#define R_MIPS_CALL_LO16 31 ++#define R_MIPS_SCN_DISP 32 ++#define R_MIPS_REL16 33 ++#define R_MIPS_ADD_IMMEDIATE 34 ++#define R_MIPS_PJUMP 35 ++#define R_MIPS_RELGOT 36 ++#define R_MIPS_JALR 37 ++/* Keep this the last entry. */ ++#define R_MIPS_NUM 38 ++ ++/* Legal values for p_type field of Elf32_Phdr. */ ++ ++#define PT_MIPS_REGINFO 0x70000000 /* Register usage information */ ++#define PT_MIPS_RTPROC 0x70000001 /* Runtime procedure table. */ ++#define PT_MIPS_OPTIONS 0x70000002 ++ ++/* Special program header types. */ ++ ++#define PF_MIPS_LOCAL 0x10000000 ++ ++/* Legal values for d_tag field of Elf32_Dyn. */ ++ ++#define DT_MIPS_RLD_VERSION 0x70000001 /* Runtime linker interface version */ ++#define DT_MIPS_TIME_STAMP 0x70000002 /* Timestamp */ ++#define DT_MIPS_ICHECKSUM 0x70000003 /* Checksum */ ++#define DT_MIPS_IVERSION 0x70000004 /* Version string (string tbl index) */ ++#define DT_MIPS_FLAGS 0x70000005 /* Flags */ ++#define DT_MIPS_BASE_ADDRESS 0x70000006 /* Base address */ ++#define DT_MIPS_MSYM 0x70000007 ++#define DT_MIPS_CONFLICT 0x70000008 /* Address of CONFLICT section */ ++#define DT_MIPS_LIBLIST 0x70000009 /* Address of LIBLIST section */ ++#define DT_MIPS_LOCAL_GOTNO 0x7000000a /* Number of local GOT entries */ ++#define DT_MIPS_CONFLICTNO 0x7000000b /* Number of CONFLICT entries */ ++#define DT_MIPS_LIBLISTNO 0x70000010 /* Number of LIBLIST entries */ ++#define DT_MIPS_SYMTABNO 0x70000011 /* Number of DYNSYM entries */ ++#define DT_MIPS_UNREFEXTNO 0x70000012 /* First external DYNSYM */ ++#define DT_MIPS_GOTSYM 0x70000013 /* First GOT entry in DYNSYM */ ++#define DT_MIPS_HIPAGENO 0x70000014 /* Number of GOT page table entries */ ++#define DT_MIPS_RLD_MAP 0x70000016 /* Address of run time loader map. */ ++#define DT_MIPS_DELTA_CLASS 0x70000017 /* Delta C++ class definition. */ ++#define DT_MIPS_DELTA_CLASS_NO 0x70000018 /* Number of entries in ++ DT_MIPS_DELTA_CLASS. */ ++#define DT_MIPS_DELTA_INSTANCE 0x70000019 /* Delta C++ class instances. */ ++#define DT_MIPS_DELTA_INSTANCE_NO 0x7000001a /* Number of entries in ++ DT_MIPS_DELTA_INSTANCE. */ ++#define DT_MIPS_DELTA_RELOC 0x7000001b /* Delta relocations. */ ++#define DT_MIPS_DELTA_RELOC_NO 0x7000001c /* Number of entries in ++ DT_MIPS_DELTA_RELOC. */ ++#define DT_MIPS_DELTA_SYM 0x7000001d /* Delta symbols that Delta ++ relocations refer to. */ ++#define DT_MIPS_DELTA_SYM_NO 0x7000001e /* Number of entries in ++ DT_MIPS_DELTA_SYM. */ ++#define DT_MIPS_DELTA_CLASSSYM 0x70000020 /* Delta symbols that hold the ++ class declaration. */ ++#define DT_MIPS_DELTA_CLASSSYM_NO 0x70000021 /* Number of entries in ++ DT_MIPS_DELTA_CLASSSYM. */ ++#define DT_MIPS_CXX_FLAGS 0x70000022 /* Flags indicating for C++ flavor. */ ++#define DT_MIPS_PIXIE_INIT 0x70000023 ++#define DT_MIPS_SYMBOL_LIB 0x70000024 ++#define DT_MIPS_LOCALPAGE_GOTIDX 0x70000025 ++#define DT_MIPS_LOCAL_GOTIDX 0x70000026 ++#define DT_MIPS_HIDDEN_GOTIDX 0x70000027 ++#define DT_MIPS_PROTECTED_GOTIDX 0x70000028 ++#define DT_MIPS_OPTIONS 0x70000029 /* Address of .options. */ ++#define DT_MIPS_INTERFACE 0x7000002a /* Address of .interface. */ ++#define DT_MIPS_DYNSTR_ALIGN 0x7000002b ++#define DT_MIPS_INTERFACE_SIZE 0x7000002c /* Size of the .interface section. */ ++#define DT_MIPS_RLD_TEXT_RESOLVE_ADDR 0x7000002d /* Address of rld_text_rsolve ++ function stored in GOT. */ ++#define DT_MIPS_PERF_SUFFIX 0x7000002e /* Default suffix of dso to be added ++ by rld on dlopen() calls. */ ++#define DT_MIPS_COMPACT_SIZE 0x7000002f /* (O32)Size of compact rel section. */ ++#define DT_MIPS_GP_VALUE 0x70000030 /* GP value for aux GOTs. */ ++#define DT_MIPS_AUX_DYNAMIC 0x70000031 /* Address of aux .dynamic. */ ++#define DT_MIPS_NUM 0x32 ++ ++/* Legal values for DT_MIPS_FLAGS Elf32_Dyn entry. */ ++ ++#define RHF_NONE 0 /* No flags */ ++#define RHF_QUICKSTART (1 << 0) /* Use quickstart */ ++#define RHF_NOTPOT (1 << 1) /* Hash size not power of 2 */ ++#define RHF_NO_LIBRARY_REPLACEMENT (1 << 2) /* Ignore LD_LIBRARY_PATH */ ++#define RHF_NO_MOVE (1 << 3) ++#define RHF_SGI_ONLY (1 << 4) ++#define RHF_GUARANTEE_INIT (1 << 5) ++#define RHF_DELTA_C_PLUS_PLUS (1 << 6) ++#define RHF_GUARANTEE_START_INIT (1 << 7) ++#define RHF_PIXIE (1 << 8) ++#define RHF_DEFAULT_DELAY_LOAD (1 << 9) ++#define RHF_REQUICKSTART (1 << 10) ++#define RHF_REQUICKSTARTED (1 << 11) ++#define RHF_CORD (1 << 12) ++#define RHF_NO_UNRES_UNDEF (1 << 13) ++#define RHF_RLD_ORDER_SAFE (1 << 14) ++ ++/* Entries found in sections of type SHT_MIPS_LIBLIST. */ ++ ++typedef struct ++{ ++ Elf32_Word l_name; /* Name (string table index) */ ++ Elf32_Word l_time_stamp; /* Timestamp */ ++ Elf32_Word l_checksum; /* Checksum */ ++ Elf32_Word l_version; /* Interface version */ ++ Elf32_Word l_flags; /* Flags */ ++} Elf32_Lib; ++ ++typedef struct ++{ ++ Elf64_Word l_name; /* Name (string table index) */ ++ Elf64_Word l_time_stamp; /* Timestamp */ ++ Elf64_Word l_checksum; /* Checksum */ ++ Elf64_Word l_version; /* Interface version */ ++ Elf64_Word l_flags; /* Flags */ ++} Elf64_Lib; ++ ++ ++/* Legal values for l_flags. */ ++ ++#define LL_NONE 0 ++#define LL_EXACT_MATCH (1 << 0) /* Require exact match */ ++#define LL_IGNORE_INT_VER (1 << 1) /* Ignore interface version */ ++#define LL_REQUIRE_MINOR (1 << 2) ++#define LL_EXPORTS (1 << 3) ++#define LL_DELAY_LOAD (1 << 4) ++#define LL_DELTA (1 << 5) ++ ++/* Entries found in sections of type SHT_MIPS_CONFLICT. */ ++ ++typedef Elf32_Addr Elf32_Conflict; ++ ++ ++/* HPPA specific definitions. */ ++ ++/* Legal values for e_flags field of Elf32_Ehdr. */ ++ ++#define EF_PARISC_TRAPNIL 0x00010000 /* Trap nil pointer dereference. */ ++#define EF_PARISC_EXT 0x00020000 /* Program uses arch. extensions. */ ++#define EF_PARISC_LSB 0x00040000 /* Program expects little endian. */ ++#define EF_PARISC_WIDE 0x00080000 /* Program expects wide mode. */ ++#define EF_PARISC_NO_KABP 0x00100000 /* No kernel assisted branch ++ prediction. */ ++#define EF_PARISC_LAZYSWAP 0x00400000 /* Allow lazy swapping. */ ++#define EF_PARISC_ARCH 0x0000ffff /* Architecture version. */ ++ ++/* Defined values for `e_flags & EF_PARISC_ARCH' are: */ ++ ++#define EFA_PARISC_1_0 0x020b /* PA-RISC 1.0 big-endian. */ ++#define EFA_PARISC_1_1 0x0210 /* PA-RISC 1.1 big-endian. */ ++#define EFA_PARISC_2_0 0x0214 /* PA-RISC 2.0 big-endian. */ ++ ++/* Additional section indeces. */ ++ ++#define SHN_PARISC_ANSI_COMMON 0xff00 /* Section for tenatively declared ++ symbols in ANSI C. */ ++#define SHN_PARISC_HUGE_COMMON 0xff01 /* Common blocks in huge model. */ ++ ++/* Legal values for sh_type field of Elf32_Shdr. */ ++ ++#define SHT_PARISC_EXT 0x70000000 /* Contains product specific ext. */ ++#define SHT_PARISC_UNWIND 0x70000001 /* Unwind information. */ ++#define SHT_PARISC_DOC 0x70000002 /* Debug info for optimized code. */ ++ ++/* Legal values for sh_flags field of Elf32_Shdr. */ ++ ++#define SHF_PARISC_SHORT 0x20000000 /* Section with short addressing. */ ++#define SHF_PARISC_HUGE 0x40000000 /* Section far from gp. */ ++#define SHF_PARISC_SBP 0x80000000 /* Static branch prediction code. */ ++ ++/* Legal values for ST_TYPE subfield of st_info (symbol type). */ ++ ++#define STT_PARISC_MILLICODE 13 /* Millicode function entry point. */ ++ ++#define STT_HP_OPAQUE (STT_LOOS + 0x1) ++#define STT_HP_STUB (STT_LOOS + 0x2) ++ ++/* HPPA relocs. */ ++ ++#define R_PARISC_NONE 0 /* No reloc. */ ++#define R_PARISC_DIR32 1 /* Direct 32-bit reference. */ ++#define R_PARISC_DIR21L 2 /* Left 21 bits of eff. address. */ ++#define R_PARISC_DIR17R 3 /* Right 17 bits of eff. address. */ ++#define R_PARISC_DIR17F 4 /* 17 bits of eff. address. */ ++#define R_PARISC_DIR14R 6 /* Right 14 bits of eff. address. */ ++#define R_PARISC_PCREL32 9 /* 32-bit rel. address. */ ++#define R_PARISC_PCREL21L 10 /* Left 21 bits of rel. address. */ ++#define R_PARISC_PCREL17R 11 /* Right 17 bits of rel. address. */ ++#define R_PARISC_PCREL17F 12 /* 17 bits of rel. address. */ ++#define R_PARISC_PCREL14R 14 /* Right 14 bits of rel. address. */ ++#define R_PARISC_DPREL21L 18 /* Left 21 bits of rel. address. */ ++#define R_PARISC_DPREL14R 22 /* Right 14 bits of rel. address. */ ++#define R_PARISC_GPREL21L 26 /* GP-relative, left 21 bits. */ ++#define R_PARISC_GPREL14R 30 /* GP-relative, right 14 bits. */ ++#define R_PARISC_LTOFF21L 34 /* LT-relative, left 21 bits. */ ++#define R_PARISC_LTOFF14R 38 /* LT-relative, right 14 bits. */ ++#define R_PARISC_SECREL32 41 /* 32 bits section rel. address. */ ++#define R_PARISC_SEGBASE 48 /* No relocation, set segment base. */ ++#define R_PARISC_SEGREL32 49 /* 32 bits segment rel. address. */ ++#define R_PARISC_PLTOFF21L 50 /* PLT rel. address, left 21 bits. */ ++#define R_PARISC_PLTOFF14R 54 /* PLT rel. address, right 14 bits. */ ++#define R_PARISC_LTOFF_FPTR32 57 /* 32 bits LT-rel. function pointer. */ ++#define R_PARISC_LTOFF_FPTR21L 58 /* LT-rel. fct ptr, left 21 bits. */ ++#define R_PARISC_LTOFF_FPTR14R 62 /* LT-rel. fct ptr, right 14 bits. */ ++#define R_PARISC_FPTR64 64 /* 64 bits function address. */ ++#define R_PARISC_PLABEL32 65 /* 32 bits function address. */ ++#define R_PARISC_PCREL64 72 /* 64 bits PC-rel. address. */ ++#define R_PARISC_PCREL22F 74 /* 22 bits PC-rel. address. */ ++#define R_PARISC_PCREL14WR 75 /* PC-rel. address, right 14 bits. */ ++#define R_PARISC_PCREL14DR 76 /* PC rel. address, right 14 bits. */ ++#define R_PARISC_PCREL16F 77 /* 16 bits PC-rel. address. */ ++#define R_PARISC_PCREL16WF 78 /* 16 bits PC-rel. address. */ ++#define R_PARISC_PCREL16DF 79 /* 16 bits PC-rel. address. */ ++#define R_PARISC_DIR64 80 /* 64 bits of eff. address. */ ++#define R_PARISC_DIR14WR 83 /* 14 bits of eff. address. */ ++#define R_PARISC_DIR14DR 84 /* 14 bits of eff. address. */ ++#define R_PARISC_DIR16F 85 /* 16 bits of eff. address. */ ++#define R_PARISC_DIR16WF 86 /* 16 bits of eff. address. */ ++#define R_PARISC_DIR16DF 87 /* 16 bits of eff. address. */ ++#define R_PARISC_GPREL64 88 /* 64 bits of GP-rel. address. */ ++#define R_PARISC_GPREL14WR 91 /* GP-rel. address, right 14 bits. */ ++#define R_PARISC_GPREL14DR 92 /* GP-rel. address, right 14 bits. */ ++#define R_PARISC_GPREL16F 93 /* 16 bits GP-rel. address. */ ++#define R_PARISC_GPREL16WF 94 /* 16 bits GP-rel. address. */ ++#define R_PARISC_GPREL16DF 95 /* 16 bits GP-rel. address. */ ++#define R_PARISC_LTOFF64 96 /* 64 bits LT-rel. address. */ ++#define R_PARISC_LTOFF14WR 99 /* LT-rel. address, right 14 bits. */ ++#define R_PARISC_LTOFF14DR 100 /* LT-rel. address, right 14 bits. */ ++#define R_PARISC_LTOFF16F 101 /* 16 bits LT-rel. address. */ ++#define R_PARISC_LTOFF16WF 102 /* 16 bits LT-rel. address. */ ++#define R_PARISC_LTOFF16DF 103 /* 16 bits LT-rel. address. */ ++#define R_PARISC_SECREL64 104 /* 64 bits section rel. address. */ ++#define R_PARISC_SEGREL64 112 /* 64 bits segment rel. address. */ ++#define R_PARISC_PLTOFF14WR 115 /* PLT-rel. address, right 14 bits. */ ++#define R_PARISC_PLTOFF14DR 116 /* PLT-rel. address, right 14 bits. */ ++#define R_PARISC_PLTOFF16F 117 /* 16 bits LT-rel. address. */ ++#define R_PARISC_PLTOFF16WF 118 /* 16 bits PLT-rel. address. */ ++#define R_PARISC_PLTOFF16DF 119 /* 16 bits PLT-rel. address. */ ++#define R_PARISC_LTOFF_FPTR64 120 /* 64 bits LT-rel. function ptr. */ ++#define R_PARISC_LTOFF_FPTR14WR 123 /* LT-rel. fct. ptr., right 14 bits. */ ++#define R_PARISC_LTOFF_FPTR14DR 124 /* LT-rel. fct. ptr., right 14 bits. */ ++#define R_PARISC_LTOFF_FPTR16F 125 /* 16 bits LT-rel. function ptr. */ ++#define R_PARISC_LTOFF_FPTR16WF 126 /* 16 bits LT-rel. function ptr. */ ++#define R_PARISC_LTOFF_FPTR16DF 127 /* 16 bits LT-rel. function ptr. */ ++#define R_PARISC_LORESERVE 128 ++#define R_PARISC_COPY 128 /* Copy relocation. */ ++#define R_PARISC_IPLT 129 /* Dynamic reloc, imported PLT */ ++#define R_PARISC_EPLT 130 /* Dynamic reloc, exported PLT */ ++#define R_PARISC_TPREL32 153 /* 32 bits TP-rel. address. */ ++#define R_PARISC_TPREL21L 154 /* TP-rel. address, left 21 bits. */ ++#define R_PARISC_TPREL14R 158 /* TP-rel. address, right 14 bits. */ ++#define R_PARISC_LTOFF_TP21L 162 /* LT-TP-rel. address, left 21 bits. */ ++#define R_PARISC_LTOFF_TP14R 166 /* LT-TP-rel. address, right 14 bits.*/ ++#define R_PARISC_LTOFF_TP14F 167 /* 14 bits LT-TP-rel. address. */ ++#define R_PARISC_TPREL64 216 /* 64 bits TP-rel. address. */ ++#define R_PARISC_TPREL14WR 219 /* TP-rel. address, right 14 bits. */ ++#define R_PARISC_TPREL14DR 220 /* TP-rel. address, right 14 bits. */ ++#define R_PARISC_TPREL16F 221 /* 16 bits TP-rel. address. */ ++#define R_PARISC_TPREL16WF 222 /* 16 bits TP-rel. address. */ ++#define R_PARISC_TPREL16DF 223 /* 16 bits TP-rel. address. */ ++#define R_PARISC_LTOFF_TP64 224 /* 64 bits LT-TP-rel. address. */ ++#define R_PARISC_LTOFF_TP14WR 227 /* LT-TP-rel. address, right 14 bits.*/ ++#define R_PARISC_LTOFF_TP14DR 228 /* LT-TP-rel. address, right 14 bits.*/ ++#define R_PARISC_LTOFF_TP16F 229 /* 16 bits LT-TP-rel. address. */ ++#define R_PARISC_LTOFF_TP16WF 230 /* 16 bits LT-TP-rel. address. */ ++#define R_PARISC_LTOFF_TP16DF 231 /* 16 bits LT-TP-rel. address. */ ++#define R_PARISC_HIRESERVE 255 ++ ++/* Legal values for p_type field of Elf32_Phdr/Elf64_Phdr. */ ++ ++#define PT_HP_TLS (PT_LOOS + 0x0) ++#define PT_HP_CORE_NONE (PT_LOOS + 0x1) ++#define PT_HP_CORE_VERSION (PT_LOOS + 0x2) ++#define PT_HP_CORE_KERNEL (PT_LOOS + 0x3) ++#define PT_HP_CORE_COMM (PT_LOOS + 0x4) ++#define PT_HP_CORE_PROC (PT_LOOS + 0x5) ++#define PT_HP_CORE_LOADABLE (PT_LOOS + 0x6) ++#define PT_HP_CORE_STACK (PT_LOOS + 0x7) ++#define PT_HP_CORE_SHM (PT_LOOS + 0x8) ++#define PT_HP_CORE_MMF (PT_LOOS + 0x9) ++#define PT_HP_PARALLEL (PT_LOOS + 0x10) ++#define PT_HP_FASTBIND (PT_LOOS + 0x11) ++#define PT_HP_OPT_ANNOT (PT_LOOS + 0x12) ++#define PT_HP_HSL_ANNOT (PT_LOOS + 0x13) ++#define PT_HP_STACK (PT_LOOS + 0x14) ++ ++#define PT_PARISC_ARCHEXT 0x70000000 ++#define PT_PARISC_UNWIND 0x70000001 ++ ++/* Legal values for p_flags field of Elf32_Phdr/Elf64_Phdr. */ ++ ++#define PF_PARISC_SBP 0x08000000 ++ ++#define PF_HP_PAGE_SIZE 0x00100000 ++#define PF_HP_FAR_SHARED 0x00200000 ++#define PF_HP_NEAR_SHARED 0x00400000 ++#define PF_HP_CODE 0x01000000 ++#define PF_HP_MODIFY 0x02000000 ++#define PF_HP_LAZYSWAP 0x04000000 ++#define PF_HP_SBP 0x08000000 ++ ++ ++/* Alpha specific definitions. */ ++ ++/* Legal values for e_flags field of Elf64_Ehdr. */ ++ ++#define EF_ALPHA_32BIT 1 /* All addresses must be < 2GB. */ ++#define EF_ALPHA_CANRELAX 2 /* Relocations for relaxing exist. */ ++ ++/* Legal values for sh_type field of Elf64_Shdr. */ ++ ++/* These two are primerily concerned with ECOFF debugging info. */ ++#define SHT_ALPHA_DEBUG 0x70000001 ++#define SHT_ALPHA_REGINFO 0x70000002 ++ ++/* Legal values for sh_flags field of Elf64_Shdr. */ ++ ++#define SHF_ALPHA_GPREL 0x10000000 ++ ++/* Legal values for st_other field of Elf64_Sym. */ ++#define STO_ALPHA_NOPV 0x80 /* No PV required. */ ++#define STO_ALPHA_STD_GPLOAD 0x88 /* PV only used for initial ldgp. */ ++ ++/* Alpha relocs. */ ++ ++#define R_ALPHA_NONE 0 /* No reloc */ ++#define R_ALPHA_REFLONG 1 /* Direct 32 bit */ ++#define R_ALPHA_REFQUAD 2 /* Direct 64 bit */ ++#define R_ALPHA_GPREL32 3 /* GP relative 32 bit */ ++#define R_ALPHA_LITERAL 4 /* GP relative 16 bit w/optimization */ ++#define R_ALPHA_LITUSE 5 /* Optimization hint for LITERAL */ ++#define R_ALPHA_GPDISP 6 /* Add displacement to GP */ ++#define R_ALPHA_BRADDR 7 /* PC+4 relative 23 bit shifted */ ++#define R_ALPHA_HINT 8 /* PC+4 relative 16 bit shifted */ ++#define R_ALPHA_SREL16 9 /* PC relative 16 bit */ ++#define R_ALPHA_SREL32 10 /* PC relative 32 bit */ ++#define R_ALPHA_SREL64 11 /* PC relative 64 bit */ ++#define R_ALPHA_GPRELHIGH 17 /* GP relative 32 bit, high 16 bits */ ++#define R_ALPHA_GPRELLOW 18 /* GP relative 32 bit, low 16 bits */ ++#define R_ALPHA_GPREL16 19 /* GP relative 16 bit */ ++#define R_ALPHA_COPY 24 /* Copy symbol at runtime */ ++#define R_ALPHA_GLOB_DAT 25 /* Create GOT entry */ ++#define R_ALPHA_JMP_SLOT 26 /* Create PLT entry */ ++#define R_ALPHA_RELATIVE 27 /* Adjust by program base */ ++#define R_ALPHA_TLS_GD_HI 28 ++#define R_ALPHA_TLSGD 29 ++#define R_ALPHA_TLS_LDM 30 ++#define R_ALPHA_DTPMOD64 31 ++#define R_ALPHA_GOTDTPREL 32 ++#define R_ALPHA_DTPREL64 33 ++#define R_ALPHA_DTPRELHI 34 ++#define R_ALPHA_DTPRELLO 35 ++#define R_ALPHA_DTPREL16 36 ++#define R_ALPHA_GOTTPREL 37 ++#define R_ALPHA_TPREL64 38 ++#define R_ALPHA_TPRELHI 39 ++#define R_ALPHA_TPRELLO 40 ++#define R_ALPHA_TPREL16 41 ++/* Keep this the last entry. */ ++#define R_ALPHA_NUM 46 ++ ++/* Magic values of the LITUSE relocation addend. */ ++#define LITUSE_ALPHA_ADDR 0 ++#define LITUSE_ALPHA_BASE 1 ++#define LITUSE_ALPHA_BYTOFF 2 ++#define LITUSE_ALPHA_JSR 3 ++#define LITUSE_ALPHA_TLS_GD 4 ++#define LITUSE_ALPHA_TLS_LDM 5 ++ ++ ++/* PowerPC specific declarations */ ++ ++/* Values for Elf32/64_Ehdr.e_flags. */ ++#define EF_PPC_EMB 0x80000000 /* PowerPC embedded flag */ ++ ++/* Cygnus local bits below */ ++#define EF_PPC_RELOCATABLE 0x00010000 /* PowerPC -mrelocatable flag*/ ++#define EF_PPC_RELOCATABLE_LIB 0x00008000 /* PowerPC -mrelocatable-lib ++ flag */ ++ ++/* PowerPC relocations defined by the ABIs */ ++#define R_PPC_NONE 0 ++#define R_PPC_ADDR32 1 /* 32bit absolute address */ ++#define R_PPC_ADDR24 2 /* 26bit address, 2 bits ignored. */ ++#define R_PPC_ADDR16 3 /* 16bit absolute address */ ++#define R_PPC_ADDR16_LO 4 /* lower 16bit of absolute address */ ++#define R_PPC_ADDR16_HI 5 /* high 16bit of absolute address */ ++#define R_PPC_ADDR16_HA 6 /* adjusted high 16bit */ ++#define R_PPC_ADDR14 7 /* 16bit address, 2 bits ignored */ ++#define R_PPC_ADDR14_BRTAKEN 8 ++#define R_PPC_ADDR14_BRNTAKEN 9 ++#define R_PPC_REL24 10 /* PC relative 26 bit */ ++#define R_PPC_REL14 11 /* PC relative 16 bit */ ++#define R_PPC_REL14_BRTAKEN 12 ++#define R_PPC_REL14_BRNTAKEN 13 ++#define R_PPC_GOT16 14 ++#define R_PPC_GOT16_LO 15 ++#define R_PPC_GOT16_HI 16 ++#define R_PPC_GOT16_HA 17 ++#define R_PPC_PLTREL24 18 ++#define R_PPC_COPY 19 ++#define R_PPC_GLOB_DAT 20 ++#define R_PPC_JMP_SLOT 21 ++#define R_PPC_RELATIVE 22 ++#define R_PPC_LOCAL24PC 23 ++#define R_PPC_UADDR32 24 ++#define R_PPC_UADDR16 25 ++#define R_PPC_REL32 26 ++#define R_PPC_PLT32 27 ++#define R_PPC_PLTREL32 28 ++#define R_PPC_PLT16_LO 29 ++#define R_PPC_PLT16_HI 30 ++#define R_PPC_PLT16_HA 31 ++#define R_PPC_SDAREL16 32 ++#define R_PPC_SECTOFF 33 ++#define R_PPC_SECTOFF_LO 34 ++#define R_PPC_SECTOFF_HI 35 ++#define R_PPC_SECTOFF_HA 36 ++ ++/* PowerPC relocations defined for the TLS access ABI. */ ++#define R_PPC_TLS 67 /* none (sym+add)@tls */ ++#define R_PPC_DTPMOD32 68 /* word32 (sym+add)@dtpmod */ ++#define R_PPC_TPREL16 69 /* half16* (sym+add)@tprel */ ++#define R_PPC_TPREL16_LO 70 /* half16 (sym+add)@tprel@l */ ++#define R_PPC_TPREL16_HI 71 /* half16 (sym+add)@tprel@h */ ++#define R_PPC_TPREL16_HA 72 /* half16 (sym+add)@tprel@ha */ ++#define R_PPC_TPREL32 73 /* word32 (sym+add)@tprel */ ++#define R_PPC_DTPREL16 74 /* half16* (sym+add)@dtprel */ ++#define R_PPC_DTPREL16_LO 75 /* half16 (sym+add)@dtprel@l */ ++#define R_PPC_DTPREL16_HI 76 /* half16 (sym+add)@dtprel@h */ ++#define R_PPC_DTPREL16_HA 77 /* half16 (sym+add)@dtprel@ha */ ++#define R_PPC_DTPREL32 78 /* word32 (sym+add)@dtprel */ ++#define R_PPC_GOT_TLSGD16 79 /* half16* (sym+add)@got@tlsgd */ ++#define R_PPC_GOT_TLSGD16_LO 80 /* half16 (sym+add)@got@tlsgd@l */ ++#define R_PPC_GOT_TLSGD16_HI 81 /* half16 (sym+add)@got@tlsgd@h */ ++#define R_PPC_GOT_TLSGD16_HA 82 /* half16 (sym+add)@got@tlsgd@ha */ ++#define R_PPC_GOT_TLSLD16 83 /* half16* (sym+add)@got@tlsld */ ++#define R_PPC_GOT_TLSLD16_LO 84 /* half16 (sym+add)@got@tlsld@l */ ++#define R_PPC_GOT_TLSLD16_HI 85 /* half16 (sym+add)@got@tlsld@h */ ++#define R_PPC_GOT_TLSLD16_HA 86 /* half16 (sym+add)@got@tlsld@ha */ ++#define R_PPC_GOT_TPREL16 87 /* half16* (sym+add)@got@tprel */ ++#define R_PPC_GOT_TPREL16_LO 88 /* half16 (sym+add)@got@tprel@l */ ++#define R_PPC_GOT_TPREL16_HI 89 /* half16 (sym+add)@got@tprel@h */ ++#define R_PPC_GOT_TPREL16_HA 90 /* half16 (sym+add)@got@tprel@ha */ ++#define R_PPC_GOT_DTPREL16 91 /* half16* (sym+add)@got@dtprel */ ++#define R_PPC_GOT_DTPREL16_LO 92 /* half16* (sym+add)@got@dtprel@l */ ++#define R_PPC_GOT_DTPREL16_HI 93 /* half16* (sym+add)@got@dtprel@h */ ++#define R_PPC_GOT_DTPREL16_HA 94 /* half16* (sym+add)@got@dtprel@ha */ ++ ++/* Keep this the last entry. */ ++#define R_PPC_NUM 95 ++ ++/* The remaining relocs are from the Embedded ELF ABI, and are not ++ in the SVR4 ELF ABI. */ ++#define R_PPC_EMB_NADDR32 101 ++#define R_PPC_EMB_NADDR16 102 ++#define R_PPC_EMB_NADDR16_LO 103 ++#define R_PPC_EMB_NADDR16_HI 104 ++#define R_PPC_EMB_NADDR16_HA 105 ++#define R_PPC_EMB_SDAI16 106 ++#define R_PPC_EMB_SDA2I16 107 ++#define R_PPC_EMB_SDA2REL 108 ++#define R_PPC_EMB_SDA21 109 /* 16 bit offset in SDA */ ++#define R_PPC_EMB_MRKREF 110 ++#define R_PPC_EMB_RELSEC16 111 ++#define R_PPC_EMB_RELST_LO 112 ++#define R_PPC_EMB_RELST_HI 113 ++#define R_PPC_EMB_RELST_HA 114 ++#define R_PPC_EMB_BIT_FLD 115 ++#define R_PPC_EMB_RELSDA 116 /* 16 bit relative offset in SDA */ ++ ++/* Diab tool relocations. */ ++#define R_PPC_DIAB_SDA21_LO 180 /* like EMB_SDA21, but lower 16 bit */ ++#define R_PPC_DIAB_SDA21_HI 181 /* like EMB_SDA21, but high 16 bit */ ++#define R_PPC_DIAB_SDA21_HA 182 /* like EMB_SDA21, adjusted high 16 */ ++#define R_PPC_DIAB_RELSDA_LO 183 /* like EMB_RELSDA, but lower 16 bit */ ++#define R_PPC_DIAB_RELSDA_HI 184 /* like EMB_RELSDA, but high 16 bit */ ++#define R_PPC_DIAB_RELSDA_HA 185 /* like EMB_RELSDA, adjusted high 16 */ ++ ++/* This is a phony reloc to handle any old fashioned TOC16 references ++ that may still be in object files. */ ++#define R_PPC_TOC16 255 ++ ++ ++/* PowerPC64 relocations defined by the ABIs */ ++#define R_PPC64_NONE R_PPC_NONE ++#define R_PPC64_ADDR32 R_PPC_ADDR32 /* 32bit absolute address */ ++#define R_PPC64_ADDR24 R_PPC_ADDR24 /* 26bit address, word aligned */ ++#define R_PPC64_ADDR16 R_PPC_ADDR16 /* 16bit absolute address */ ++#define R_PPC64_ADDR16_LO R_PPC_ADDR16_LO /* lower 16bits of address */ ++#define R_PPC64_ADDR16_HI R_PPC_ADDR16_HI /* high 16bits of address. */ ++#define R_PPC64_ADDR16_HA R_PPC_ADDR16_HA /* adjusted high 16bits. */ ++#define R_PPC64_ADDR14 R_PPC_ADDR14 /* 16bit address, word aligned */ ++#define R_PPC64_ADDR14_BRTAKEN R_PPC_ADDR14_BRTAKEN ++#define R_PPC64_ADDR14_BRNTAKEN R_PPC_ADDR14_BRNTAKEN ++#define R_PPC64_REL24 R_PPC_REL24 /* PC-rel. 26 bit, word aligned */ ++#define R_PPC64_REL14 R_PPC_REL14 /* PC relative 16 bit */ ++#define R_PPC64_REL14_BRTAKEN R_PPC_REL14_BRTAKEN ++#define R_PPC64_REL14_BRNTAKEN R_PPC_REL14_BRNTAKEN ++#define R_PPC64_GOT16 R_PPC_GOT16 ++#define R_PPC64_GOT16_LO R_PPC_GOT16_LO ++#define R_PPC64_GOT16_HI R_PPC_GOT16_HI ++#define R_PPC64_GOT16_HA R_PPC_GOT16_HA ++ ++#define R_PPC64_COPY R_PPC_COPY ++#define R_PPC64_GLOB_DAT R_PPC_GLOB_DAT ++#define R_PPC64_JMP_SLOT R_PPC_JMP_SLOT ++#define R_PPC64_RELATIVE R_PPC_RELATIVE ++ ++#define R_PPC64_UADDR32 R_PPC_UADDR32 ++#define R_PPC64_UADDR16 R_PPC_UADDR16 ++#define R_PPC64_REL32 R_PPC_REL32 ++#define R_PPC64_PLT32 R_PPC_PLT32 ++#define R_PPC64_PLTREL32 R_PPC_PLTREL32 ++#define R_PPC64_PLT16_LO R_PPC_PLT16_LO ++#define R_PPC64_PLT16_HI R_PPC_PLT16_HI ++#define R_PPC64_PLT16_HA R_PPC_PLT16_HA ++ ++#define R_PPC64_SECTOFF R_PPC_SECTOFF ++#define R_PPC64_SECTOFF_LO R_PPC_SECTOFF_LO ++#define R_PPC64_SECTOFF_HI R_PPC_SECTOFF_HI ++#define R_PPC64_SECTOFF_HA R_PPC_SECTOFF_HA ++#define R_PPC64_ADDR30 37 /* word30 (S + A - P) >> 2 */ ++#define R_PPC64_ADDR64 38 /* doubleword64 S + A */ ++#define R_PPC64_ADDR16_HIGHER 39 /* half16 #higher(S + A) */ ++#define R_PPC64_ADDR16_HIGHERA 40 /* half16 #highera(S + A) */ ++#define R_PPC64_ADDR16_HIGHEST 41 /* half16 #highest(S + A) */ ++#define R_PPC64_ADDR16_HIGHESTA 42 /* half16 #highesta(S + A) */ ++#define R_PPC64_UADDR64 43 /* doubleword64 S + A */ ++#define R_PPC64_REL64 44 /* doubleword64 S + A - P */ ++#define R_PPC64_PLT64 45 /* doubleword64 L + A */ ++#define R_PPC64_PLTREL64 46 /* doubleword64 L + A - P */ ++#define R_PPC64_TOC16 47 /* half16* S + A - .TOC */ ++#define R_PPC64_TOC16_LO 48 /* half16 #lo(S + A - .TOC.) */ ++#define R_PPC64_TOC16_HI 49 /* half16 #hi(S + A - .TOC.) */ ++#define R_PPC64_TOC16_HA 50 /* half16 #ha(S + A - .TOC.) */ ++#define R_PPC64_TOC 51 /* doubleword64 .TOC */ ++#define R_PPC64_PLTGOT16 52 /* half16* M + A */ ++#define R_PPC64_PLTGOT16_LO 53 /* half16 #lo(M + A) */ ++#define R_PPC64_PLTGOT16_HI 54 /* half16 #hi(M + A) */ ++#define R_PPC64_PLTGOT16_HA 55 /* half16 #ha(M + A) */ ++ ++#define R_PPC64_ADDR16_DS 56 /* half16ds* (S + A) >> 2 */ ++#define R_PPC64_ADDR16_LO_DS 57 /* half16ds #lo(S + A) >> 2 */ ++#define R_PPC64_GOT16_DS 58 /* half16ds* (G + A) >> 2 */ ++#define R_PPC64_GOT16_LO_DS 59 /* half16ds #lo(G + A) >> 2 */ ++#define R_PPC64_PLT16_LO_DS 60 /* half16ds #lo(L + A) >> 2 */ ++#define R_PPC64_SECTOFF_DS 61 /* half16ds* (R + A) >> 2 */ ++#define R_PPC64_SECTOFF_LO_DS 62 /* half16ds #lo(R + A) >> 2 */ ++#define R_PPC64_TOC16_DS 63 /* half16ds* (S + A - .TOC.) >> 2 */ ++#define R_PPC64_TOC16_LO_DS 64 /* half16ds #lo(S + A - .TOC.) >> 2 */ ++#define R_PPC64_PLTGOT16_DS 65 /* half16ds* (M + A) >> 2 */ ++#define R_PPC64_PLTGOT16_LO_DS 66 /* half16ds #lo(M + A) >> 2 */ ++ ++/* PowerPC64 relocations defined for the TLS access ABI. */ ++#define R_PPC64_TLS 67 /* none (sym+add)@tls */ ++#define R_PPC64_DTPMOD64 68 /* doubleword64 (sym+add)@dtpmod */ ++#define R_PPC64_TPREL16 69 /* half16* (sym+add)@tprel */ ++#define R_PPC64_TPREL16_LO 70 /* half16 (sym+add)@tprel@l */ ++#define R_PPC64_TPREL16_HI 71 /* half16 (sym+add)@tprel@h */ ++#define R_PPC64_TPREL16_HA 72 /* half16 (sym+add)@tprel@ha */ ++#define R_PPC64_TPREL64 73 /* doubleword64 (sym+add)@tprel */ ++#define R_PPC64_DTPREL16 74 /* half16* (sym+add)@dtprel */ ++#define R_PPC64_DTPREL16_LO 75 /* half16 (sym+add)@dtprel@l */ ++#define R_PPC64_DTPREL16_HI 76 /* half16 (sym+add)@dtprel@h */ ++#define R_PPC64_DTPREL16_HA 77 /* half16 (sym+add)@dtprel@ha */ ++#define R_PPC64_DTPREL64 78 /* doubleword64 (sym+add)@dtprel */ ++#define R_PPC64_GOT_TLSGD16 79 /* half16* (sym+add)@got@tlsgd */ ++#define R_PPC64_GOT_TLSGD16_LO 80 /* half16 (sym+add)@got@tlsgd@l */ ++#define R_PPC64_GOT_TLSGD16_HI 81 /* half16 (sym+add)@got@tlsgd@h */ ++#define R_PPC64_GOT_TLSGD16_HA 82 /* half16 (sym+add)@got@tlsgd@ha */ ++#define R_PPC64_GOT_TLSLD16 83 /* half16* (sym+add)@got@tlsld */ ++#define R_PPC64_GOT_TLSLD16_LO 84 /* half16 (sym+add)@got@tlsld@l */ ++#define R_PPC64_GOT_TLSLD16_HI 85 /* half16 (sym+add)@got@tlsld@h */ ++#define R_PPC64_GOT_TLSLD16_HA 86 /* half16 (sym+add)@got@tlsld@ha */ ++#define R_PPC64_GOT_TPREL16_DS 87 /* half16ds* (sym+add)@got@tprel */ ++#define R_PPC64_GOT_TPREL16_LO_DS 88 /* half16ds (sym+add)@got@tprel@l */ ++#define R_PPC64_GOT_TPREL16_HI 89 /* half16 (sym+add)@got@tprel@h */ ++#define R_PPC64_GOT_TPREL16_HA 90 /* half16 (sym+add)@got@tprel@ha */ ++#define R_PPC64_GOT_DTPREL16_DS 91 /* half16ds* (sym+add)@got@dtprel */ ++#define R_PPC64_GOT_DTPREL16_LO_DS 92 /* half16ds (sym+add)@got@dtprel@l */ ++#define R_PPC64_GOT_DTPREL16_HI 93 /* half16 (sym+add)@got@dtprel@h */ ++#define R_PPC64_GOT_DTPREL16_HA 94 /* half16 (sym+add)@got@dtprel@ha */ ++#define R_PPC64_TPREL16_DS 95 /* half16ds* (sym+add)@tprel */ ++#define R_PPC64_TPREL16_LO_DS 96 /* half16ds (sym+add)@tprel@l */ ++#define R_PPC64_TPREL16_HIGHER 97 /* half16 (sym+add)@tprel@higher */ ++#define R_PPC64_TPREL16_HIGHERA 98 /* half16 (sym+add)@tprel@highera */ ++#define R_PPC64_TPREL16_HIGHEST 99 /* half16 (sym+add)@tprel@highest */ ++#define R_PPC64_TPREL16_HIGHESTA 100 /* half16 (sym+add)@tprel@highesta */ ++#define R_PPC64_DTPREL16_DS 101 /* half16ds* (sym+add)@dtprel */ ++#define R_PPC64_DTPREL16_LO_DS 102 /* half16ds (sym+add)@dtprel@l */ ++#define R_PPC64_DTPREL16_HIGHER 103 /* half16 (sym+add)@dtprel@higher */ ++#define R_PPC64_DTPREL16_HIGHERA 104 /* half16 (sym+add)@dtprel@highera */ ++#define R_PPC64_DTPREL16_HIGHEST 105 /* half16 (sym+add)@dtprel@highest */ ++#define R_PPC64_DTPREL16_HIGHESTA 106 /* half16 (sym+add)@dtprel@highesta */ ++ ++/* Keep this the last entry. */ ++#define R_PPC64_NUM 107 ++ ++/* PowerPC64 specific values for the Dyn d_tag field. */ ++#define DT_PPC64_GLINK (DT_LOPROC + 0) ++#define DT_PPC64_NUM 1 ++ ++ ++/* ARM specific declarations */ ++ ++/* Processor specific flags for the ELF header e_flags field. */ ++#define EF_ARM_RELEXEC 0x01 ++#define EF_ARM_HASENTRY 0x02 ++#define EF_ARM_INTERWORK 0x04 ++#define EF_ARM_APCS_26 0x08 ++#define EF_ARM_APCS_FLOAT 0x10 ++#define EF_ARM_PIC 0x20 ++#define EF_ARM_ALIGN8 0x40 /* 8-bit structure alignment is in use */ ++#define EF_ARM_NEW_ABI 0x80 ++#define EF_ARM_OLD_ABI 0x100 ++ ++/* Other constants defined in the ARM ELF spec. version B-01. */ ++/* NB. These conflict with values defined above. */ ++#define EF_ARM_SYMSARESORTED 0x04 ++#define EF_ARM_DYNSYMSUSESEGIDX 0x08 ++#define EF_ARM_MAPSYMSFIRST 0x10 ++#define EF_ARM_EABIMASK 0XFF000000 ++ ++#define EF_ARM_EABI_VERSION(flags) ((flags) & EF_ARM_EABIMASK) ++#define EF_ARM_EABI_UNKNOWN 0x00000000 ++#define EF_ARM_EABI_VER1 0x01000000 ++#define EF_ARM_EABI_VER2 0x02000000 ++ ++/* Additional symbol types for Thumb */ ++#define STT_ARM_TFUNC 0xd ++ ++/* ARM-specific values for sh_flags */ ++#define SHF_ARM_ENTRYSECT 0x10000000 /* Section contains an entry point */ ++#define SHF_ARM_COMDEF 0x80000000 /* Section may be multiply defined ++ in the input to a link step */ ++ ++/* ARM-specific program header flags */ ++#define PF_ARM_SB 0x10000000 /* Segment contains the location ++ addressed by the static base */ ++ ++/* ARM relocs. */ ++#define R_ARM_NONE 0 /* No reloc */ ++#define R_ARM_PC24 1 /* PC relative 26 bit branch */ ++#define R_ARM_ABS32 2 /* Direct 32 bit */ ++#define R_ARM_REL32 3 /* PC relative 32 bit */ ++#define R_ARM_PC13 4 ++#define R_ARM_ABS16 5 /* Direct 16 bit */ ++#define R_ARM_ABS12 6 /* Direct 12 bit */ ++#define R_ARM_THM_ABS5 7 ++#define R_ARM_ABS8 8 /* Direct 8 bit */ ++#define R_ARM_SBREL32 9 ++#define R_ARM_THM_PC22 10 ++#define R_ARM_THM_PC8 11 ++#define R_ARM_AMP_VCALL9 12 ++#define R_ARM_SWI24 13 ++#define R_ARM_THM_SWI8 14 ++#define R_ARM_XPC25 15 ++#define R_ARM_THM_XPC22 16 ++#define R_ARM_COPY 20 /* Copy symbol at runtime */ ++#define R_ARM_GLOB_DAT 21 /* Create GOT entry */ ++#define R_ARM_JUMP_SLOT 22 /* Create PLT entry */ ++#define R_ARM_RELATIVE 23 /* Adjust by program base */ ++#define R_ARM_GOTOFF 24 /* 32 bit offset to GOT */ ++#define R_ARM_GOTPC 25 /* 32 bit PC relative offset to GOT */ ++#define R_ARM_GOT32 26 /* 32 bit GOT entry */ ++#define R_ARM_PLT32 27 /* 32 bit PLT address */ ++#define R_ARM_ALU_PCREL_7_0 32 ++#define R_ARM_ALU_PCREL_15_8 33 ++#define R_ARM_ALU_PCREL_23_15 34 ++#define R_ARM_LDR_SBREL_11_0 35 ++#define R_ARM_ALU_SBREL_19_12 36 ++#define R_ARM_ALU_SBREL_27_20 37 ++#define R_ARM_GNU_VTENTRY 100 ++#define R_ARM_GNU_VTINHERIT 101 ++#define R_ARM_THM_PC11 102 /* thumb unconditional branch */ ++#define R_ARM_THM_PC9 103 /* thumb conditional branch */ ++#define R_ARM_RXPC25 249 ++#define R_ARM_RSBREL32 250 ++#define R_ARM_THM_RPC22 251 ++#define R_ARM_RREL32 252 ++#define R_ARM_RABS22 253 ++#define R_ARM_RPC24 254 ++#define R_ARM_RBASE 255 ++/* Keep this the last entry. */ ++#define R_ARM_NUM 256 ++ ++/* IA-64 specific declarations. */ ++ ++/* Processor specific flags for the Ehdr e_flags field. */ ++#define EF_IA_64_MASKOS 0x0000000f /* os-specific flags */ ++#define EF_IA_64_ABI64 0x00000010 /* 64-bit ABI */ ++#define EF_IA_64_ARCH 0xff000000 /* arch. version mask */ ++ ++/* Processor specific values for the Phdr p_type field. */ ++#define PT_IA_64_ARCHEXT (PT_LOPROC + 0) /* arch extension bits */ ++#define PT_IA_64_UNWIND (PT_LOPROC + 1) /* ia64 unwind bits */ ++ ++/* Processor specific flags for the Phdr p_flags field. */ ++#define PF_IA_64_NORECOV 0x80000000 /* spec insns w/o recovery */ ++ ++/* Processor specific values for the Shdr sh_type field. */ ++#define SHT_IA_64_EXT (SHT_LOPROC + 0) /* extension bits */ ++#define SHT_IA_64_UNWIND (SHT_LOPROC + 1) /* unwind bits */ ++ ++/* Processor specific flags for the Shdr sh_flags field. */ ++#define SHF_IA_64_SHORT 0x10000000 /* section near gp */ ++#define SHF_IA_64_NORECOV 0x20000000 /* spec insns w/o recovery */ ++ ++/* Processor specific values for the Dyn d_tag field. */ ++#define DT_IA_64_PLT_RESERVE (DT_LOPROC + 0) ++#define DT_IA_64_NUM 1 ++ ++/* IA-64 relocations. */ ++#define R_IA64_NONE 0x00 /* none */ ++#define R_IA64_IMM14 0x21 /* symbol + addend, add imm14 */ ++#define R_IA64_IMM22 0x22 /* symbol + addend, add imm22 */ ++#define R_IA64_IMM64 0x23 /* symbol + addend, mov imm64 */ ++#define R_IA64_DIR32MSB 0x24 /* symbol + addend, data4 MSB */ ++#define R_IA64_DIR32LSB 0x25 /* symbol + addend, data4 LSB */ ++#define R_IA64_DIR64MSB 0x26 /* symbol + addend, data8 MSB */ ++#define R_IA64_DIR64LSB 0x27 /* symbol + addend, data8 LSB */ ++#define R_IA64_GPREL22 0x2a /* @gprel(sym + add), add imm22 */ ++#define R_IA64_GPREL64I 0x2b /* @gprel(sym + add), mov imm64 */ ++#define R_IA64_GPREL32MSB 0x2c /* @gprel(sym + add), data4 MSB */ ++#define R_IA64_GPREL32LSB 0x2d /* @gprel(sym + add), data4 LSB */ ++#define R_IA64_GPREL64MSB 0x2e /* @gprel(sym + add), data8 MSB */ ++#define R_IA64_GPREL64LSB 0x2f /* @gprel(sym + add), data8 LSB */ ++#define R_IA64_LTOFF22 0x32 /* @ltoff(sym + add), add imm22 */ ++#define R_IA64_LTOFF64I 0x33 /* @ltoff(sym + add), mov imm64 */ ++#define R_IA64_PLTOFF22 0x3a /* @pltoff(sym + add), add imm22 */ ++#define R_IA64_PLTOFF64I 0x3b /* @pltoff(sym + add), mov imm64 */ ++#define R_IA64_PLTOFF64MSB 0x3e /* @pltoff(sym + add), data8 MSB */ ++#define R_IA64_PLTOFF64LSB 0x3f /* @pltoff(sym + add), data8 LSB */ ++#define R_IA64_FPTR64I 0x43 /* @fptr(sym + add), mov imm64 */ ++#define R_IA64_FPTR32MSB 0x44 /* @fptr(sym + add), data4 MSB */ ++#define R_IA64_FPTR32LSB 0x45 /* @fptr(sym + add), data4 LSB */ ++#define R_IA64_FPTR64MSB 0x46 /* @fptr(sym + add), data8 MSB */ ++#define R_IA64_FPTR64LSB 0x47 /* @fptr(sym + add), data8 LSB */ ++#define R_IA64_PCREL60B 0x48 /* @pcrel(sym + add), brl */ ++#define R_IA64_PCREL21B 0x49 /* @pcrel(sym + add), ptb, call */ ++#define R_IA64_PCREL21M 0x4a /* @pcrel(sym + add), chk.s */ ++#define R_IA64_PCREL21F 0x4b /* @pcrel(sym + add), fchkf */ ++#define R_IA64_PCREL32MSB 0x4c /* @pcrel(sym + add), data4 MSB */ ++#define R_IA64_PCREL32LSB 0x4d /* @pcrel(sym + add), data4 LSB */ ++#define R_IA64_PCREL64MSB 0x4e /* @pcrel(sym + add), data8 MSB */ ++#define R_IA64_PCREL64LSB 0x4f /* @pcrel(sym + add), data8 LSB */ ++#define R_IA64_LTOFF_FPTR22 0x52 /* @ltoff(@fptr(s+a)), imm22 */ ++#define R_IA64_LTOFF_FPTR64I 0x53 /* @ltoff(@fptr(s+a)), imm64 */ ++#define R_IA64_LTOFF_FPTR32MSB 0x54 /* @ltoff(@fptr(s+a)), data4 MSB */ ++#define R_IA64_LTOFF_FPTR32LSB 0x55 /* @ltoff(@fptr(s+a)), data4 LSB */ ++#define R_IA64_LTOFF_FPTR64MSB 0x56 /* @ltoff(@fptr(s+a)), data8 MSB */ ++#define R_IA64_LTOFF_FPTR64LSB 0x57 /* @ltoff(@fptr(s+a)), data8 LSB */ ++#define R_IA64_SEGREL32MSB 0x5c /* @segrel(sym + add), data4 MSB */ ++#define R_IA64_SEGREL32LSB 0x5d /* @segrel(sym + add), data4 LSB */ ++#define R_IA64_SEGREL64MSB 0x5e /* @segrel(sym + add), data8 MSB */ ++#define R_IA64_SEGREL64LSB 0x5f /* @segrel(sym + add), data8 LSB */ ++#define R_IA64_SECREL32MSB 0x64 /* @secrel(sym + add), data4 MSB */ ++#define R_IA64_SECREL32LSB 0x65 /* @secrel(sym + add), data4 LSB */ ++#define R_IA64_SECREL64MSB 0x66 /* @secrel(sym + add), data8 MSB */ ++#define R_IA64_SECREL64LSB 0x67 /* @secrel(sym + add), data8 LSB */ ++#define R_IA64_REL32MSB 0x6c /* data 4 + REL */ ++#define R_IA64_REL32LSB 0x6d /* data 4 + REL */ ++#define R_IA64_REL64MSB 0x6e /* data 8 + REL */ ++#define R_IA64_REL64LSB 0x6f /* data 8 + REL */ ++#define R_IA64_LTV32MSB 0x74 /* symbol + addend, data4 MSB */ ++#define R_IA64_LTV32LSB 0x75 /* symbol + addend, data4 LSB */ ++#define R_IA64_LTV64MSB 0x76 /* symbol + addend, data8 MSB */ ++#define R_IA64_LTV64LSB 0x77 /* symbol + addend, data8 LSB */ ++#define R_IA64_PCREL21BI 0x79 /* @pcrel(sym + add), 21bit inst */ ++#define R_IA64_PCREL22 0x7a /* @pcrel(sym + add), 22bit inst */ ++#define R_IA64_PCREL64I 0x7b /* @pcrel(sym + add), 64bit inst */ ++#define R_IA64_IPLTMSB 0x80 /* dynamic reloc, imported PLT, MSB */ ++#define R_IA64_IPLTLSB 0x81 /* dynamic reloc, imported PLT, LSB */ ++#define R_IA64_COPY 0x84 /* copy relocation */ ++#define R_IA64_SUB 0x85 /* Addend and symbol difference */ ++#define R_IA64_LTOFF22X 0x86 /* LTOFF22, relaxable. */ ++#define R_IA64_LDXMOV 0x87 /* Use of LTOFF22X. */ ++#define R_IA64_TPREL14 0x91 /* @tprel(sym + add), imm14 */ ++#define R_IA64_TPREL22 0x92 /* @tprel(sym + add), imm22 */ ++#define R_IA64_TPREL64I 0x93 /* @tprel(sym + add), imm64 */ ++#define R_IA64_TPREL64MSB 0x96 /* @tprel(sym + add), data8 MSB */ ++#define R_IA64_TPREL64LSB 0x97 /* @tprel(sym + add), data8 LSB */ ++#define R_IA64_LTOFF_TPREL22 0x9a /* @ltoff(@tprel(s+a)), imm2 */ ++#define R_IA64_DTPMOD64MSB 0xa6 /* @dtpmod(sym + add), data8 MSB */ ++#define R_IA64_DTPMOD64LSB 0xa7 /* @dtpmod(sym + add), data8 LSB */ ++#define R_IA64_LTOFF_DTPMOD22 0xaa /* @ltoff(@dtpmod(sym + add)), imm22 */ ++#define R_IA64_DTPREL14 0xb1 /* @dtprel(sym + add), imm14 */ ++#define R_IA64_DTPREL22 0xb2 /* @dtprel(sym + add), imm22 */ ++#define R_IA64_DTPREL64I 0xb3 /* @dtprel(sym + add), imm64 */ ++#define R_IA64_DTPREL32MSB 0xb4 /* @dtprel(sym + add), data4 MSB */ ++#define R_IA64_DTPREL32LSB 0xb5 /* @dtprel(sym + add), data4 LSB */ ++#define R_IA64_DTPREL64MSB 0xb6 /* @dtprel(sym + add), data8 MSB */ ++#define R_IA64_DTPREL64LSB 0xb7 /* @dtprel(sym + add), data8 LSB */ ++#define R_IA64_LTOFF_DTPREL22 0xba /* @ltoff(@dtprel(s+a)), imm22 */ ++ ++/* SH specific declarations */ ++ ++/* SH relocs. */ ++#define R_SH_NONE 0 ++#define R_SH_DIR32 1 ++#define R_SH_REL32 2 ++#define R_SH_DIR8WPN 3 ++#define R_SH_IND12W 4 ++#define R_SH_DIR8WPL 5 ++#define R_SH_DIR8WPZ 6 ++#define R_SH_DIR8BP 7 ++#define R_SH_DIR8W 8 ++#define R_SH_DIR8L 9 ++#define R_SH_SWITCH16 25 ++#define R_SH_SWITCH32 26 ++#define R_SH_USES 27 ++#define R_SH_COUNT 28 ++#define R_SH_ALIGN 29 ++#define R_SH_CODE 30 ++#define R_SH_DATA 31 ++#define R_SH_LABEL 32 ++#define R_SH_SWITCH8 33 ++#define R_SH_GNU_VTINHERIT 34 ++#define R_SH_GNU_VTENTRY 35 ++#define R_SH_TLS_GD_32 144 ++#define R_SH_TLS_LD_32 145 ++#define R_SH_TLS_LDO_32 146 ++#define R_SH_TLS_IE_32 147 ++#define R_SH_TLS_LE_32 148 ++#define R_SH_TLS_DTPMOD32 149 ++#define R_SH_TLS_DTPOFF32 150 ++#define R_SH_TLS_TPOFF32 151 ++#define R_SH_GOT32 160 ++#define R_SH_PLT32 161 ++#define R_SH_COPY 162 ++#define R_SH_GLOB_DAT 163 ++#define R_SH_JMP_SLOT 164 ++#define R_SH_RELATIVE 165 ++#define R_SH_GOTOFF 166 ++#define R_SH_GOTPC 167 ++/* Keep this the last entry. */ ++#define R_SH_NUM 256 ++ ++/* Additional s390 relocs */ ++ ++#define R_390_NONE 0 /* No reloc. */ ++#define R_390_8 1 /* Direct 8 bit. */ ++#define R_390_12 2 /* Direct 12 bit. */ ++#define R_390_16 3 /* Direct 16 bit. */ ++#define R_390_32 4 /* Direct 32 bit. */ ++#define R_390_PC32 5 /* PC relative 32 bit. */ ++#define R_390_GOT12 6 /* 12 bit GOT offset. */ ++#define R_390_GOT32 7 /* 32 bit GOT offset. */ ++#define R_390_PLT32 8 /* 32 bit PC relative PLT address. */ ++#define R_390_COPY 9 /* Copy symbol at runtime. */ ++#define R_390_GLOB_DAT 10 /* Create GOT entry. */ ++#define R_390_JMP_SLOT 11 /* Create PLT entry. */ ++#define R_390_RELATIVE 12 /* Adjust by program base. */ ++#define R_390_GOTOFF32 13 /* 32 bit offset to GOT. */ ++#define R_390_GOTPC 14 /* 32 bit PC relative offset to GOT. */ ++#define R_390_GOT16 15 /* 16 bit GOT offset. */ ++#define R_390_PC16 16 /* PC relative 16 bit. */ ++#define R_390_PC16DBL 17 /* PC relative 16 bit shifted by 1. */ ++#define R_390_PLT16DBL 18 /* 16 bit PC rel. PLT shifted by 1. */ ++#define R_390_PC32DBL 19 /* PC relative 32 bit shifted by 1. */ ++#define R_390_PLT32DBL 20 /* 32 bit PC rel. PLT shifted by 1. */ ++#define R_390_GOTPCDBL 21 /* 32 bit PC rel. GOT shifted by 1. */ ++#define R_390_64 22 /* Direct 64 bit. */ ++#define R_390_PC64 23 /* PC relative 64 bit. */ ++#define R_390_GOT64 24 /* 64 bit GOT offset. */ ++#define R_390_PLT64 25 /* 64 bit PC relative PLT address. */ ++#define R_390_GOTENT 26 /* 32 bit PC rel. to GOT entry >> 1. */ ++#define R_390_GOTOFF16 27 /* 16 bit offset to GOT. */ ++#define R_390_GOTOFF64 28 /* 64 bit offset to GOT. */ ++#define R_390_GOTPLT12 29 /* 12 bit offset to jump slot. */ ++#define R_390_GOTPLT16 30 /* 16 bit offset to jump slot. */ ++#define R_390_GOTPLT32 31 /* 32 bit offset to jump slot. */ ++#define R_390_GOTPLT64 32 /* 64 bit offset to jump slot. */ ++#define R_390_GOTPLTENT 33 /* 32 bit rel. offset to jump slot. */ ++#define R_390_PLTOFF16 34 /* 16 bit offset from GOT to PLT. */ ++#define R_390_PLTOFF32 35 /* 32 bit offset from GOT to PLT. */ ++#define R_390_PLTOFF64 36 /* 16 bit offset from GOT to PLT. */ ++#define R_390_TLS_LOAD 37 /* Tag for load insn in TLS code. */ ++#define R_390_TLS_GDCALL 38 /* Tag for function call in general ++ dynamic TLS code. */ ++#define R_390_TLS_LDCALL 39 /* Tag for function call in local ++ dynamic TLS code. */ ++#define R_390_TLS_GD32 40 /* Direct 32 bit for general dynamic ++ thread local data. */ ++#define R_390_TLS_GD64 41 /* Direct 64 bit for general dynamic ++ thread local data. */ ++#define R_390_TLS_GOTIE12 42 /* 12 bit GOT offset for static TLS ++ block offset. */ ++#define R_390_TLS_GOTIE32 43 /* 32 bit GOT offset for static TLS ++ block offset. */ ++#define R_390_TLS_GOTIE64 44 /* 64 bit GOT offset for static TLS ++ block offset. */ ++#define R_390_TLS_LDM32 45 /* Direct 32 bit for local dynamic ++ thread local data in LE code. */ ++#define R_390_TLS_LDM64 46 /* Direct 64 bit for local dynamic ++ thread local data in LE code. */ ++#define R_390_TLS_IE32 47 /* 32 bit address of GOT entry for ++ negated static TLS block offset. */ ++#define R_390_TLS_IE64 48 /* 64 bit address of GOT entry for ++ negated static TLS block offset. */ ++#define R_390_TLS_IEENT 49 /* 32 bit rel. offset to GOT entry for ++ negated static TLS block offset. */ ++#define R_390_TLS_LE32 50 /* 32 bit negated offset relative to ++ static TLS block. */ ++#define R_390_TLS_LE64 51 /* 64 bit negated offset relative to ++ static TLS block. */ ++#define R_390_TLS_LDO32 52 /* 32 bit offset relative to TLS ++ block. */ ++#define R_390_TLS_LDO64 53 /* 64 bit offset relative to TLS ++ block. */ ++#define R_390_TLS_DTPMOD 54 /* ID of module containing symbol. */ ++#define R_390_TLS_DTPOFF 55 /* Offset in TLS block. */ ++#define R_390_TLS_TPOFF 56 /* Negated offset in static TLS ++ block. */ ++ ++/* Keep this the last entry. */ ++#define R_390_NUM 57 ++ ++/* CRIS relocations. */ ++#define R_CRIS_NONE 0 ++#define R_CRIS_8 1 ++#define R_CRIS_16 2 ++#define R_CRIS_32 3 ++#define R_CRIS_8_PCREL 4 ++#define R_CRIS_16_PCREL 5 ++#define R_CRIS_32_PCREL 6 ++#define R_CRIS_GNU_VTINHERIT 7 ++#define R_CRIS_GNU_VTENTRY 8 ++#define R_CRIS_COPY 9 ++#define R_CRIS_GLOB_DAT 10 ++#define R_CRIS_JUMP_SLOT 11 ++#define R_CRIS_RELATIVE 12 ++#define R_CRIS_16_GOT 13 ++#define R_CRIS_32_GOT 14 ++#define R_CRIS_16_GOTPLT 15 ++#define R_CRIS_32_GOTPLT 16 ++#define R_CRIS_32_GOTREL 17 ++#define R_CRIS_32_PLT_GOTREL 18 ++#define R_CRIS_32_PLT_PCREL 19 ++ ++#define R_CRIS_NUM 20 ++ ++/* AMD x86-64 relocations. */ ++#define R_X86_64_NONE 0 /* No reloc */ ++#define R_X86_64_64 1 /* Direct 64 bit */ ++#define R_X86_64_PC32 2 /* PC relative 32 bit signed */ ++#define R_X86_64_GOT32 3 /* 32 bit GOT entry */ ++#define R_X86_64_PLT32 4 /* 32 bit PLT address */ ++#define R_X86_64_COPY 5 /* Copy symbol at runtime */ ++#define R_X86_64_GLOB_DAT 6 /* Create GOT entry */ ++#define R_X86_64_JUMP_SLOT 7 /* Create PLT entry */ ++#define R_X86_64_RELATIVE 8 /* Adjust by program base */ ++#define R_X86_64_GOTPCREL 9 /* 32 bit signed PC relative ++ offset to GOT */ ++#define R_X86_64_32 10 /* Direct 32 bit zero extended */ ++#define R_X86_64_32S 11 /* Direct 32 bit sign extended */ ++#define R_X86_64_16 12 /* Direct 16 bit zero extended */ ++#define R_X86_64_PC16 13 /* 16 bit sign extended pc relative */ ++#define R_X86_64_8 14 /* Direct 8 bit sign extended */ ++#define R_X86_64_PC8 15 /* 8 bit sign extended pc relative */ ++#define R_X86_64_DTPMOD64 16 /* ID of module containing symbol */ ++#define R_X86_64_DTPOFF64 17 /* Offset in module's TLS block */ ++#define R_X86_64_TPOFF64 18 /* Offset in initial TLS block */ ++#define R_X86_64_TLSGD 19 /* 32 bit signed PC relative offset ++ to two GOT entries for GD symbol */ ++#define R_X86_64_TLSLD 20 /* 32 bit signed PC relative offset ++ to two GOT entries for LD symbol */ ++#define R_X86_64_DTPOFF32 21 /* Offset in TLS block */ ++#define R_X86_64_GOTTPOFF 22 /* 32 bit signed PC relative offset ++ to GOT entry for IE symbol */ ++#define R_X86_64_TPOFF32 23 /* Offset in initial TLS block */ ++ ++#define R_X86_64_NUM 24 ++ ++__END_DECLS ++ ++#endif /* elf.h */ + + #include "elfconfig.h" + +@@ -185,3 +2631,4 @@ + void fatal(const char *fmt, ...); + void warn(const char *fmt, ...); + void merror(const char *fmt, ...); ++ +diff -Nur linux-3.11.5.orig/scripts/mod/sumversion.c linux-3.11.5/scripts/mod/sumversion.c +--- linux-3.11.5.orig/scripts/mod/sumversion.c 2013-10-14 03:14:45.000000000 +0200 ++++ linux-3.11.5/scripts/mod/sumversion.c 2013-10-16 18:09:31.000000000 +0200 +@@ -1,4 +1,4 @@ +-#include ++/* #include */ + #ifdef __sun__ + #include + #else +diff -Nur linux-3.11.5.orig/tools/include/tools/linux_types.h linux-3.11.5/tools/include/tools/linux_types.h +--- linux-3.11.5.orig/tools/include/tools/linux_types.h 1970-01-01 01:00:00.000000000 +0100 ++++ linux-3.11.5/tools/include/tools/linux_types.h 2013-10-16 18:09:31.000000000 +0200 +@@ -0,0 +1,22 @@ ++#ifndef __LINUX_TYPES_H ++#define __LINUX_TYPES_H ++ ++#include ++ ++typedef uint8_t __u8; ++typedef uint8_t __be8; ++typedef uint8_t __le8; ++ ++typedef uint16_t __u16; ++typedef uint16_t __be16; ++typedef uint16_t __le16; ++ ++typedef uint32_t __u32; ++typedef uint32_t __be32; ++typedef uint32_t __le32; ++ ++typedef uint64_t __u64; ++typedef uint64_t __be64; ++typedef uint64_t __le64; ++ ++#endif diff --git a/target/linux/patches/3.15-rc7/cleankernel.patch b/target/linux/patches/3.15-rc7/cleankernel.patch new file mode 100644 index 000000000..d8c055dc3 --- /dev/null +++ b/target/linux/patches/3.15-rc7/cleankernel.patch @@ -0,0 +1,11 @@ +diff -Nur linux-3.11.5.orig/scripts/Makefile.headersinst linux-3.11.5/scripts/Makefile.headersinst +--- linux-3.11.5.orig/scripts/Makefile.headersinst 2013-10-14 03:14:45.000000000 +0200 ++++ linux-3.11.5/scripts/Makefile.headersinst 2013-10-15 16:33:10.000000000 +0200 +@@ -107,7 +107,6 @@ + + targets += $(install-file) + $(install-file): scripts/headers_install.sh $(input-files1) $(input-files2) $(input-files3) FORCE +- $(if $(unwanted),$(call cmd,remove),) + $(if $(wildcard $(dir $@)),,$(shell mkdir -p $(dir $@))) + $(call if_changed,install) + diff --git a/target/linux/patches/3.15-rc7/defaults.patch b/target/linux/patches/3.15-rc7/defaults.patch new file mode 100644 index 000000000..6cdca084e --- /dev/null +++ b/target/linux/patches/3.15-rc7/defaults.patch @@ -0,0 +1,46 @@ +diff -Nur linux-3.0.4.orig/fs/Kconfig linux-3.0.4/fs/Kconfig +--- linux-3.0.4.orig/fs/Kconfig 2011-08-29 22:56:30.000000000 +0200 ++++ linux-3.0.4/fs/Kconfig 2011-10-15 22:08:44.000000000 +0200 +@@ -47,7 +47,7 @@ + def_bool n + + config EXPORTFS +- tristate ++ def_bool y + + config FILE_LOCKING + bool "Enable POSIX file locking API" if EXPERT +diff -Nur linux-3.0.4.orig/fs/notify/Kconfig linux-3.0.4/fs/notify/Kconfig +--- linux-3.0.4.orig/fs/notify/Kconfig 2011-08-29 22:56:30.000000000 +0200 ++++ linux-3.0.4/fs/notify/Kconfig 2011-10-15 22:02:00.000000000 +0200 +@@ -1,5 +1,5 @@ + config FSNOTIFY +- def_bool n ++ def_bool y + + source "fs/notify/dnotify/Kconfig" + source "fs/notify/inotify/Kconfig" +diff -Nur linux-3.11.10.orig/drivers/scsi/Kconfig linux-3.11.10/drivers/scsi/Kconfig +--- linux-3.11.10.orig/drivers/scsi/Kconfig 2013-11-29 19:42:37.000000000 +0100 ++++ linux-3.11.10/drivers/scsi/Kconfig 2013-12-27 19:13:21.000000000 +0100 +@@ -2,7 +2,7 @@ + + config SCSI_MOD + tristate +- default y if SCSI=n || SCSI=y ++ default y if SCSI=y + default m if SCSI=m + + config RAID_ATTRS +diff -Nur linux-3.11.10.orig/usr/Kconfig linux-3.11.10/usr/Kconfig +--- linux-3.11.10.orig/usr/Kconfig 2013-11-29 19:42:37.000000000 +0100 ++++ linux-3.11.10/usr/Kconfig 2013-12-27 19:15:16.000000000 +0100 +@@ -47,7 +47,7 @@ + + config RD_GZIP + bool "Support initial ramdisks compressed using gzip" if EXPERT +- default y ++ default n + depends on BLK_DEV_INITRD + select DECOMPRESS_GZIP + help diff --git a/target/linux/patches/3.15-rc7/disable-netfilter.patch b/target/linux/patches/3.15-rc7/disable-netfilter.patch new file mode 100644 index 000000000..7b1ca013a --- /dev/null +++ b/target/linux/patches/3.15-rc7/disable-netfilter.patch @@ -0,0 +1,160 @@ +diff -Nur linux-3.7.3.orig/net/Kconfig linux-3.7.3/net/Kconfig +--- linux-3.7.3.orig/net/Kconfig 2013-01-17 17:47:40.000000000 +0100 ++++ linux-3.7.3/net/Kconfig 2013-01-19 18:19:55.000000000 +0100 +@@ -163,7 +163,7 @@ + config NETFILTER_ADVANCED + bool "Advanced netfilter configuration" + depends on NETFILTER +- default y ++ default n + help + If you say Y here you can select between all the netfilter modules. + If you say N the more unusual ones will not be shown and the +@@ -175,7 +175,7 @@ + bool "Bridged IP/ARP packets filtering" + depends on BRIDGE && NETFILTER && INET + depends on NETFILTER_ADVANCED +- default y ++ default n + ---help--- + Enabling this option will let arptables resp. iptables see bridged + ARP resp. IP traffic. If you want a bridging firewall, you probably +diff -Nur linux-3.7.3.orig/net/netfilter/Kconfig linux-3.7.3/net/netfilter/Kconfig +--- linux-3.7.3.orig/net/netfilter/Kconfig 2013-01-17 17:47:40.000000000 +0100 ++++ linux-3.7.3/net/netfilter/Kconfig 2013-01-19 18:21:41.000000000 +0100 +@@ -22,7 +22,6 @@ + + config NETFILTER_NETLINK_LOG + tristate "Netfilter LOG over NFNETLINK interface" +- default m if NETFILTER_ADVANCED=n + select NETFILTER_NETLINK + help + If this option is enabled, the kernel will include support +@@ -34,7 +33,6 @@ + + config NF_CONNTRACK + tristate "Netfilter connection tracking support" +- default m if NETFILTER_ADVANCED=n + help + Connection tracking keeps a record of what packets have passed + through your machine, in order to figure out how they are related +@@ -60,7 +58,6 @@ + config NF_CONNTRACK_SECMARK + bool 'Connection tracking security mark support' + depends on NETWORK_SECMARK +- default m if NETFILTER_ADVANCED=n + help + This option enables security markings to be applied to + connections. Typically they are copied to connections from +@@ -177,7 +174,6 @@ + + config NF_CONNTRACK_FTP + tristate "FTP protocol support" +- default m if NETFILTER_ADVANCED=n + help + Tracking FTP connections is problematic: special helpers are + required for tracking them, and doing masquerading and other forms +@@ -211,7 +207,6 @@ + + config NF_CONNTRACK_IRC + tristate "IRC protocol support" +- default m if NETFILTER_ADVANCED=n + help + There is a commonly-used extension to IRC called + Direct Client-to-Client Protocol (DCC). This enables users to send +@@ -296,7 +291,6 @@ + + config NF_CONNTRACK_SIP + tristate "SIP protocol support" +- default m if NETFILTER_ADVANCED=n + help + SIP is an application-layer control protocol that can establish, + modify, and terminate multimedia sessions (conferences) such as +@@ -320,7 +314,6 @@ + config NF_CT_NETLINK + tristate 'Connection tracking netlink interface' + select NETFILTER_NETLINK +- default m if NETFILTER_ADVANCED=n + help + This option enables support for a netlink-based userspace interface + +@@ -424,7 +417,6 @@ + + config NETFILTER_XTABLES + tristate "Netfilter Xtables support (required for ip_tables)" +- default m if NETFILTER_ADVANCED=n + help + This is required if you intend to use any of ip_tables, + ip6_tables or arp_tables. +@@ -435,7 +427,6 @@ + + config NETFILTER_XT_MARK + tristate 'nfmark target and match support' +- default m if NETFILTER_ADVANCED=n + ---help--- + This option adds the "MARK" target and "mark" match. + +@@ -527,7 +518,6 @@ + config NETFILTER_XT_TARGET_CONNSECMARK + tristate '"CONNSECMARK" target support' + depends on NF_CONNTRACK && NF_CONNTRACK_SECMARK +- default m if NETFILTER_ADVANCED=n + help + The CONNSECMARK target copies security markings from packets + to connections, and restores security markings from connections +@@ -632,7 +622,6 @@ + + config NETFILTER_XT_TARGET_LOG + tristate "LOG target support" +- default m if NETFILTER_ADVANCED=n + help + This option adds a `LOG' target, which allows you to create rules in + any iptables table which records the packet header to the syslog. +@@ -660,7 +649,6 @@ + + config NETFILTER_XT_TARGET_NFLOG + tristate '"NFLOG" target support' +- default m if NETFILTER_ADVANCED=n + select NETFILTER_NETLINK_LOG + help + This option enables the NFLOG target, which allows to LOG +@@ -741,7 +729,6 @@ + config NETFILTER_XT_TARGET_SECMARK + tristate '"SECMARK" target support' + depends on NETWORK_SECMARK +- default m if NETFILTER_ADVANCED=n + help + The SECMARK target allows security marking of network + packets, for use with security subsystems. +@@ -751,7 +738,6 @@ + config NETFILTER_XT_TARGET_TCPMSS + tristate '"TCPMSS" target support' + depends on (IPV6 || IPV6=n) +- default m if NETFILTER_ADVANCED=n + ---help--- + This option adds a `TCPMSS' target, which allows you to alter the + MSS value of TCP SYN packets, to control the maximum size for that +@@ -856,7 +842,6 @@ + config NETFILTER_XT_MATCH_CONNTRACK + tristate '"conntrack" connection tracking match support' + depends on NF_CONNTRACK +- default m if NETFILTER_ADVANCED=n + help + This is a general conntrack match module, a superset of the state match. + +@@ -1063,7 +1048,6 @@ + config NETFILTER_XT_MATCH_POLICY + tristate 'IPsec "policy" match support' + depends on XFRM +- default m if NETFILTER_ADVANCED=n + help + Policy matching allows you to match packets based on the + IPsec policy that was used during decapsulation/will +@@ -1170,7 +1154,6 @@ + config NETFILTER_XT_MATCH_STATE + tristate '"state" match support' + depends on NF_CONNTRACK +- default m if NETFILTER_ADVANCED=n + help + Connection state matching allows you to match packets based on their + relationship to a tracked connection (ie. previous packets). This diff --git a/target/linux/patches/3.15-rc7/export-symbol-for-exmap.patch b/target/linux/patches/3.15-rc7/export-symbol-for-exmap.patch new file mode 100644 index 000000000..4f0fc8449 --- /dev/null +++ b/target/linux/patches/3.15-rc7/export-symbol-for-exmap.patch @@ -0,0 +1,11 @@ +diff -Nur linux-3.11.5.orig/kernel/pid.c linux-3.11.5/kernel/pid.c +--- linux-3.11.5.orig/kernel/pid.c 2013-10-14 03:14:45.000000000 +0200 ++++ linux-3.11.5/kernel/pid.c 2013-10-29 15:37:02.000000000 +0100 +@@ -450,6 +450,7 @@ + { + return find_task_by_pid_ns(vnr, task_active_pid_ns(current)); + } ++EXPORT_SYMBOL(find_task_by_vpid); + + struct pid *get_task_pid(struct task_struct *task, enum pid_type type) + { diff --git a/target/linux/patches/3.15-rc7/gemalto.patch b/target/linux/patches/3.15-rc7/gemalto.patch new file mode 100644 index 000000000..65f7af1d7 --- /dev/null +++ b/target/linux/patches/3.15-rc7/gemalto.patch @@ -0,0 +1,11 @@ +diff -Nur linux-2.6.36.orig/drivers/tty/serial/8250/serial_cs.c linux-2.6.36/drivers/serial/8250/serial_cs.c +--- linux-2.6.36.orig/drivers/tty/serial/8250/serial_cs.c 2010-10-20 22:30:22.000000000 +0200 ++++ linux-2.6.36/drivers/tty/serial/8250/serial_cs.c 2010-12-13 23:03:40.000000000 +0100 +@@ -794,6 +794,7 @@ + PCMCIA_DEVICE_MANF_CARD(0x0137, 0x0025), + PCMCIA_DEVICE_MANF_CARD(0x0137, 0x0045), + PCMCIA_DEVICE_MANF_CARD(0x0137, 0x0052), ++ PCMCIA_DEVICE_MANF_CARD(0x0157, 0x0100), /* Gemalto SCR */ + PCMCIA_DEVICE_MANF_CARD(0x016c, 0x0006), /* Psion 56K+Fax */ + PCMCIA_DEVICE_MANF_CARD(0x0200, 0x0001), /* MultiMobile */ + PCMCIA_DEVICE_PROD_ID134("ADV", "TECH", "COMpad-32/85", 0x67459937, 0x916d02ba, 0x8fbe92ae), diff --git a/target/linux/patches/3.15-rc7/initramfs-nosizelimit.patch b/target/linux/patches/3.15-rc7/initramfs-nosizelimit.patch new file mode 100644 index 000000000..40d2f6bd8 --- /dev/null +++ b/target/linux/patches/3.15-rc7/initramfs-nosizelimit.patch @@ -0,0 +1,57 @@ +From 9a18df7a71bfa620b1278777d64783a359d7eb4e Mon Sep 17 00:00:00 2001 +From: Thorsten Glaser +Date: Sun, 4 May 2014 01:37:54 +0200 +Subject: [PATCH] mount tmpfs-as-rootfs (initramfs) with -o + nr_blocks=0,nr_inodes=0 + +I would have preferred to write this patch to be able to pass +rootflags=nr_blocks=0,nr_inodes=0 on the kernel command line, +and then hand these rootflags over to the initramfs (tmpfs) +mount in the same way the kernel hands them over to the block +device rootfs mount. But at least the Debian/m68k initrd also +parses $rootflags from the environment and adds it to the call +to the user-space mount for the eventual root device, which +would make the kernel command line rootflags option be used in +both places (tmpfs and e.g. ext4) which is guaranteed to error +out in at least one of them. + +This change is intended to aid people in a setup where the +initrd is the final root filesystem, i.e. not mounted over. +This is especially useful in automated tests running on qemu +for boards with constrained memory (e.g. 64 MiB on sh4). + +Considering that the initramfs is normally emptied out then +overmounted, this change is probably safe for setups where +initramfs just hosts early userspace, too, since the tmpfs +backing it is not accessible any more later on, AFAICT. + +Signed-off-by: Thorsten Glaser +--- + init/do_mounts.c | 4 ++++ + 1 file changed, 4 insertions(+) + +diff --git a/init/do_mounts.c b/init/do_mounts.c +index 82f2288..55a4cfe 100644 +--- a/init/do_mounts.c ++++ b/init/do_mounts.c +@@ -594,6 +594,7 @@ out: + } + + static bool is_tmpfs; ++static char tmpfs_rootflags[] = "nr_blocks=0,nr_inodes=0"; + static struct dentry *rootfs_mount(struct file_system_type *fs_type, + int flags, const char *dev_name, void *data) + { +@@ -606,6 +607,9 @@ static struct dentry *rootfs_mount(struct file_system_type *fs_type, + if (IS_ENABLED(CONFIG_TMPFS) && is_tmpfs) + fill = shmem_fill_super; + ++ if (is_tmpfs) ++ data = tmpfs_rootflags; ++ + return mount_nodev(fs_type, flags, data, fill); + } + +-- +2.0.0.rc0 + diff --git a/target/linux/patches/3.15-rc7/lemote-rfkill.patch b/target/linux/patches/3.15-rc7/lemote-rfkill.patch new file mode 100644 index 000000000..a61488434 --- /dev/null +++ b/target/linux/patches/3.15-rc7/lemote-rfkill.patch @@ -0,0 +1,21 @@ +diff -Nur linux-3.3.orig/drivers/net/wireless/rtl818x/rtl8187/rfkill.c linux-3.3/drivers/net/wireless/rtl818x/rtl8187/rfkill.c +--- linux-3.3.orig/drivers/net/wireless/rtl818x/rtl8187/rfkill.c 2012-03-19 00:15:34.000000000 +0100 ++++ linux-3.3/drivers/net/wireless/rtl818x/rtl8187/rfkill.c 2012-03-27 23:29:46.000000000 +0200 +@@ -22,6 +22,9 @@ + + static bool rtl8187_is_radio_enabled(struct rtl8187_priv *priv) + { ++#ifdef CONFIG_LEMOTE_MACH2F ++ return 1; ++#else + u8 gpio; + + gpio = rtl818x_ioread8(priv, &priv->map->GPIO0); +@@ -29,6 +32,7 @@ + gpio = rtl818x_ioread8(priv, &priv->map->GPIO1); + + return gpio & priv->rfkill_mask; ++#endif + } + + void rtl8187_rfkill_init(struct ieee80211_hw *hw) diff --git a/target/linux/patches/3.15-rc7/microblaze-axi.patch b/target/linux/patches/3.15-rc7/microblaze-axi.patch new file mode 100644 index 000000000..1a4b17d8c --- /dev/null +++ b/target/linux/patches/3.15-rc7/microblaze-axi.patch @@ -0,0 +1,11 @@ +diff -Nur linux-3.13.3.orig/drivers/net/ethernet/xilinx/xilinx_axienet_main.c linux-3.13.3/drivers/net/ethernet/xilinx/xilinx_axienet_main.c +--- linux-3.13.3.orig/drivers/net/ethernet/xilinx/xilinx_axienet_main.c 2014-02-13 23:00:14.000000000 +0100 ++++ linux-3.13.3/drivers/net/ethernet/xilinx/xilinx_axienet_main.c 2014-02-24 08:03:57.000000000 +0100 +@@ -25,6 +25,7 @@ + #include + #include + #include ++#include + #include + #include + #include diff --git a/target/linux/patches/3.15-rc7/microblaze-ethernet.patch b/target/linux/patches/3.15-rc7/microblaze-ethernet.patch new file mode 100644 index 000000000..742ab477e --- /dev/null +++ b/target/linux/patches/3.15-rc7/microblaze-ethernet.patch @@ -0,0 +1,11 @@ +diff -Nur linux-3.11.10.orig/drivers/net/ethernet/xilinx/xilinx_emaclite.c linux-3.11.10/drivers/net/ethernet/xilinx/xilinx_emaclite.c +--- linux-3.11.10.orig/drivers/net/ethernet/xilinx/xilinx_emaclite.c 2013-11-29 19:42:37.000000000 +0100 ++++ linux-3.11.10/drivers/net/ethernet/xilinx/xilinx_emaclite.c 2013-12-23 20:01:14.000000000 +0100 +@@ -1282,6 +1282,7 @@ + { .compatible = "xlnx,opb-ethernetlite-1.01.b", }, + { .compatible = "xlnx,xps-ethernetlite-1.00.a", }, + { .compatible = "xlnx,xps-ethernetlite-2.00.a", }, ++ { .compatible = "xlnx,xps-ethernetlite-2.00.b", }, + { .compatible = "xlnx,xps-ethernetlite-2.01.a", }, + { .compatible = "xlnx,xps-ethernetlite-3.00.a", }, + { /* end of list */ }, diff --git a/target/linux/patches/3.15-rc7/mkpiggy.patch b/target/linux/patches/3.15-rc7/mkpiggy.patch new file mode 100644 index 000000000..751678b74 --- /dev/null +++ b/target/linux/patches/3.15-rc7/mkpiggy.patch @@ -0,0 +1,28 @@ +diff -Nur linux-3.13.3.orig/arch/x86/boot/compressed/mkpiggy.c linux-3.13.3/arch/x86/boot/compressed/mkpiggy.c +--- linux-3.13.3.orig/arch/x86/boot/compressed/mkpiggy.c 2014-02-13 23:00:14.000000000 +0100 ++++ linux-3.13.3/arch/x86/boot/compressed/mkpiggy.c 2014-02-17 11:09:06.000000000 +0100 +@@ -29,7 +29,14 @@ + #include + #include + #include +-#include ++ ++static uint32_t getle32(const void *p) ++{ ++ const uint8_t *cp = p; ++ ++ return (uint32_t)cp[0] + ((uint32_t)cp[1] << 8) + ++ ((uint32_t)cp[2] << 16) + ((uint32_t)cp[3] << 24); ++} + + int main(int argc, char *argv[]) + { +@@ -63,7 +70,7 @@ + } + + ilen = ftell(f); +- olen = get_unaligned_le32(&olen); ++ olen = getle32(&olen); + + /* + * Now we have the input (compressed) and output (uncompressed) diff --git a/target/linux/patches/3.15-rc7/mtd-rootfs.patch b/target/linux/patches/3.15-rc7/mtd-rootfs.patch new file mode 100644 index 000000000..775d5fc80 --- /dev/null +++ b/target/linux/patches/3.15-rc7/mtd-rootfs.patch @@ -0,0 +1,26 @@ +diff -Nur linux-3.5.orig//drivers/mtd/mtdpart.c linux-3.5/drivers/mtd/mtdpart.c +--- linux-3.5.orig//drivers/mtd/mtdpart.c 2012-07-21 22:58:29.000000000 +0200 ++++ linux-3.5/drivers/mtd/mtdpart.c 2012-07-31 23:59:07.000000000 +0200 +@@ -30,6 +30,7 @@ + #include + #include + #include ++#include + + #include "mtdcore.h" + +@@ -637,6 +638,14 @@ + if (IS_ERR(slave)) + return PTR_ERR(slave); + ++ if (strcmp(parts[i].name, "rootfs") == 0) { ++ if (ROOT_DEV == 0) { ++ printk(KERN_NOTICE "mtd: partition \"rootfs\" " ++ "set to be root filesystem\n"); ++ ROOT_DEV = MKDEV(MTD_BLOCK_MAJOR, i); ++ } ++ } ++ + mutex_lock(&mtd_partitions_mutex); + list_add(&slave->list, &mtd_partitions); + mutex_unlock(&mtd_partitions_mutex); diff --git a/target/linux/patches/3.15-rc7/nfsv3-tcp.patch b/target/linux/patches/3.15-rc7/nfsv3-tcp.patch new file mode 100644 index 000000000..d5e07e1c2 --- /dev/null +++ b/target/linux/patches/3.15-rc7/nfsv3-tcp.patch @@ -0,0 +1,12 @@ +diff -Nur linux-3.15-rc5.orig/fs/nfs/nfsroot.c linux-3.15-rc5/fs/nfs/nfsroot.c +--- linux-3.15-rc5.orig/fs/nfs/nfsroot.c 2014-05-09 22:10:52.000000000 +0200 ++++ linux-3.15-rc5/fs/nfs/nfsroot.c 2014-05-16 15:45:38.000000000 +0200 +@@ -87,7 +87,7 @@ + #define NFS_ROOT "/tftpboot/%s" + + /* Default NFSROOT mount options. */ +-#define NFS_DEF_OPTIONS "vers=2,udp,rsize=4096,wsize=4096" ++#define NFS_DEF_OPTIONS "nfsvers=3,proto=tcp,rsize=4096,wsize=4096" + + /* Parameters passed from the kernel command line */ + static char nfs_root_parms[256] __initdata = ""; diff --git a/target/linux/patches/3.15-rc7/non-static.patch b/target/linux/patches/3.15-rc7/non-static.patch new file mode 100644 index 000000000..a967703d0 --- /dev/null +++ b/target/linux/patches/3.15-rc7/non-static.patch @@ -0,0 +1,33 @@ +diff -Nur linux-2.6.39-rc6.orig/fs/namei.c linux-2.6.39-rc6/fs/namei.c +--- linux-2.6.39-rc6.orig/fs/namei.c 2011-05-04 04:59:13.000000000 +0200 ++++ linux-2.6.39-rc6/fs/namei.c 2011-05-05 11:30:14.000000000 +0200 +@@ -1769,7 +1769,7 @@ + * needs parent already locked. Doesn't follow mounts. + * SMP-safe. + */ +-static struct dentry *lookup_hash(struct nameidata *nd) ++struct dentry *lookup_hash(struct nameidata *nd) + { + return __lookup_hash(&nd->last, nd->path.dentry, nd); + } +diff -Nur linux-2.6.39-rc6.orig/fs/splice.c linux-2.6.39-rc6/fs/splice.c +--- linux-2.6.39-rc6.orig/fs/splice.c 2011-05-04 04:59:13.000000000 +0200 ++++ linux-2.6.39-rc6/fs/splice.c 2011-05-05 11:31:04.000000000 +0200 +@@ -1081,7 +1081,7 @@ + /* + * Attempt to initiate a splice from pipe to file. + */ +-static long do_splice_from(struct pipe_inode_info *pipe, struct file *out, ++long do_splice_from(struct pipe_inode_info *pipe, struct file *out, + loff_t *ppos, size_t len, unsigned int flags) + { + ssize_t (*splice_write)(struct pipe_inode_info *, struct file *, +@@ -1109,7 +1109,7 @@ + /* + * Attempt to initiate a splice from a file to a pipe. + */ +-static long do_splice_to(struct file *in, loff_t *ppos, ++long do_splice_to(struct file *in, loff_t *ppos, + struct pipe_inode_info *pipe, size_t len, + unsigned int flags) + { diff --git a/target/linux/patches/3.15-rc7/ppc64-missing-zlib.patch b/target/linux/patches/3.15-rc7/ppc64-missing-zlib.patch new file mode 100644 index 000000000..c6e0616be --- /dev/null +++ b/target/linux/patches/3.15-rc7/ppc64-missing-zlib.patch @@ -0,0 +1,11 @@ +diff -Nur linux-3.11.5.orig/arch/powerpc/platforms/pseries/Kconfig linux-3.11.5/arch/powerpc/platforms/pseries/Kconfig +--- linux-3.11.5.orig/arch/powerpc/platforms/pseries/Kconfig 2013-10-14 03:14:45.000000000 +0200 ++++ linux-3.11.5/arch/powerpc/platforms/pseries/Kconfig 2013-11-01 15:23:09.000000000 +0100 +@@ -17,6 +17,7 @@ + select PPC_NATIVE + select PPC_PCI_CHOICE if EXPERT + select ZLIB_DEFLATE ++ select ZLIB_INFLATE + select PPC_DOORBELL + select HAVE_CONTEXT_TRACKING + select HOTPLUG_CPU if SMP diff --git a/target/linux/patches/3.15-rc7/relocs.patch b/target/linux/patches/3.15-rc7/relocs.patch new file mode 100644 index 000000000..69a7c88a9 --- /dev/null +++ b/target/linux/patches/3.15-rc7/relocs.patch @@ -0,0 +1,2709 @@ +diff -Nur linux-3.13.6.orig/arch/x86/tools/relocs.c linux-3.13.6/arch/x86/tools/relocs.c +--- linux-3.13.6.orig/arch/x86/tools/relocs.c 2014-03-07 07:07:02.000000000 +0100 ++++ linux-3.13.6/arch/x86/tools/relocs.c 2014-03-15 19:39:45.000000000 +0100 +@@ -126,6 +126,7 @@ + + if (err) { + regerror(err, &sym_regex_c[i], errbuf, sizeof errbuf); ++ printf("foo: %s\n", sym_regex[i]); + die("%s", errbuf); + } + } +diff -Nur linux-3.13.6.orig/arch/x86/tools/relocs.h linux-3.13.6/arch/x86/tools/relocs.h +--- linux-3.13.6.orig/arch/x86/tools/relocs.h 2014-03-07 07:07:02.000000000 +0100 ++++ linux-3.13.6/arch/x86/tools/relocs.h 2014-03-15 18:48:40.000000000 +0100 +@@ -9,11 +9,19 @@ + #include + #include + #include ++#ifdef __linux__ + #include + #include + #define USE_BSD + #include ++#else ++#include "elf.h" ++#endif ++#ifdef __APPLE__ ++#include ++#else + #include ++#endif + #include + + void die(char *fmt, ...); +diff -Nur linux-3.13.6.orig/tools/include/elf.h linux-3.13.6/tools/include/elf.h +--- linux-3.13.6.orig/tools/include/elf.h 1970-01-01 01:00:00.000000000 +0100 ++++ linux-3.13.6/tools/include/elf.h 2014-03-15 18:47:36.000000000 +0100 +@@ -0,0 +1,2671 @@ ++#ifndef _ELF_H ++#define _ELF_H ++ ++#ifdef __cplusplus ++extern "C" { ++#endif ++ ++#include ++ ++typedef uint16_t Elf32_Half; ++typedef uint16_t Elf64_Half; ++ ++typedef uint32_t Elf32_Word; ++typedef int32_t Elf32_Sword; ++typedef uint32_t Elf64_Word; ++typedef int32_t Elf64_Sword; ++ ++typedef uint64_t Elf32_Xword; ++typedef int64_t Elf32_Sxword; ++typedef uint64_t Elf64_Xword; ++typedef int64_t Elf64_Sxword; ++ ++typedef uint32_t Elf32_Addr; ++typedef uint64_t Elf64_Addr; ++ ++typedef uint32_t Elf32_Off; ++typedef uint64_t Elf64_Off; ++ ++typedef uint16_t Elf32_Section; ++typedef uint16_t Elf64_Section; ++ ++typedef Elf32_Half Elf32_Versym; ++typedef Elf64_Half Elf64_Versym; ++ ++#define EI_NIDENT (16) ++ ++typedef struct { ++ unsigned char e_ident[EI_NIDENT]; ++ Elf32_Half e_type; ++ Elf32_Half e_machine; ++ Elf32_Word e_version; ++ Elf32_Addr e_entry; ++ Elf32_Off e_phoff; ++ Elf32_Off e_shoff; ++ Elf32_Word e_flags; ++ Elf32_Half e_ehsize; ++ Elf32_Half e_phentsize; ++ Elf32_Half e_phnum; ++ Elf32_Half e_shentsize; ++ Elf32_Half e_shnum; ++ Elf32_Half e_shstrndx; ++} Elf32_Ehdr; ++ ++typedef struct { ++ unsigned char e_ident[EI_NIDENT]; ++ Elf64_Half e_type; ++ Elf64_Half e_machine; ++ Elf64_Word e_version; ++ Elf64_Addr e_entry; ++ Elf64_Off e_phoff; ++ Elf64_Off e_shoff; ++ Elf64_Word e_flags; ++ Elf64_Half e_ehsize; ++ Elf64_Half e_phentsize; ++ Elf64_Half e_phnum; ++ Elf64_Half e_shentsize; ++ Elf64_Half e_shnum; ++ Elf64_Half e_shstrndx; ++} Elf64_Ehdr; ++ ++#define EI_MAG0 0 ++#define ELFMAG0 0x7f ++ ++#define EI_MAG1 1 ++#define ELFMAG1 'E' ++ ++#define EI_MAG2 2 ++#define ELFMAG2 'L' ++ ++#define EI_MAG3 3 ++#define ELFMAG3 'F' ++ ++ ++#define ELFMAG "\177ELF" ++#define SELFMAG 4 ++ ++#define EI_CLASS 4 ++#define ELFCLASSNONE 0 ++#define ELFCLASS32 1 ++#define ELFCLASS64 2 ++#define ELFCLASSNUM 3 ++ ++#define EI_DATA 5 ++#define ELFDATANONE 0 ++#define ELFDATA2LSB 1 ++#define ELFDATA2MSB 2 ++#define ELFDATANUM 3 ++ ++#define EI_VERSION 6 ++ ++ ++#define EI_OSABI 7 ++#define ELFOSABI_NONE 0 ++#define ELFOSABI_SYSV 0 ++#define ELFOSABI_HPUX 1 ++#define ELFOSABI_NETBSD 2 ++#define ELFOSABI_LINUX 3 ++#define ELFOSABI_GNU 3 ++#define ELFOSABI_SOLARIS 6 ++#define ELFOSABI_AIX 7 ++#define ELFOSABI_IRIX 8 ++#define ELFOSABI_FREEBSD 9 ++#define ELFOSABI_TRU64 10 ++#define ELFOSABI_MODESTO 11 ++#define ELFOSABI_OPENBSD 12 ++#define ELFOSABI_ARM 97 ++#define ELFOSABI_STANDALONE 255 ++ ++#define EI_ABIVERSION 8 ++ ++#define EI_PAD 9 ++ ++ ++ ++#define ET_NONE 0 ++#define ET_REL 1 ++#define ET_EXEC 2 ++#define ET_DYN 3 ++#define ET_CORE 4 ++#define ET_NUM 5 ++#define ET_LOOS 0xfe00 ++#define ET_HIOS 0xfeff ++#define ET_LOPROC 0xff00 ++#define ET_HIPROC 0xffff ++ ++ ++ ++#define EM_NONE 0 ++#define EM_M32 1 ++#define EM_SPARC 2 ++#define EM_386 3 ++#define EM_68K 4 ++#define EM_88K 5 ++#define EM_860 7 ++#define EM_MIPS 8 ++#define EM_S370 9 ++#define EM_MIPS_RS3_LE 10 ++ ++#define EM_PARISC 15 ++#define EM_VPP500 17 ++#define EM_SPARC32PLUS 18 ++#define EM_960 19 ++#define EM_PPC 20 ++#define EM_PPC64 21 ++#define EM_S390 22 ++ ++#define EM_V800 36 ++#define EM_FR20 37 ++#define EM_RH32 38 ++#define EM_RCE 39 ++#define EM_ARM 40 ++#define EM_FAKE_ALPHA 41 ++#define EM_SH 42 ++#define EM_SPARCV9 43 ++#define EM_TRICORE 44 ++#define EM_ARC 45 ++#define EM_H8_300 46 ++#define EM_H8_300H 47 ++#define EM_H8S 48 ++#define EM_H8_500 49 ++#define EM_IA_64 50 ++#define EM_MIPS_X 51 ++#define EM_COLDFIRE 52 ++#define EM_68HC12 53 ++#define EM_MMA 54 ++#define EM_PCP 55 ++#define EM_NCPU 56 ++#define EM_NDR1 57 ++#define EM_STARCORE 58 ++#define EM_ME16 59 ++#define EM_ST100 60 ++#define EM_TINYJ 61 ++#define EM_X86_64 62 ++#define EM_PDSP 63 ++ ++#define EM_FX66 66 ++#define EM_ST9PLUS 67 ++#define EM_ST7 68 ++#define EM_68HC16 69 ++#define EM_68HC11 70 ++#define EM_68HC08 71 ++#define EM_68HC05 72 ++#define EM_SVX 73 ++#define EM_ST19 74 ++#define EM_VAX 75 ++#define EM_CRIS 76 ++#define EM_JAVELIN 77 ++#define EM_FIREPATH 78 ++#define EM_ZSP 79 ++#define EM_MMIX 80 ++#define EM_HUANY 81 ++#define EM_PRISM 82 ++#define EM_AVR 83 ++#define EM_FR30 84 ++#define EM_D10V 85 ++#define EM_D30V 86 ++#define EM_V850 87 ++#define EM_M32R 88 ++#define EM_MN10300 89 ++#define EM_MN10200 90 ++#define EM_PJ 91 ++#define EM_OPENRISC 92 ++#define EM_ARC_A5 93 ++#define EM_XTENSA 94 ++#define EM_AARCH64 183 ++#define EM_TILEPRO 188 ++#define EM_MICROBLAZE 189 ++#define EM_TILEGX 191 ++#define EM_NUM 192 ++#define EM_ALPHA 0x9026 ++ ++#define EV_NONE 0 ++#define EV_CURRENT 1 ++#define EV_NUM 2 ++ ++typedef struct { ++ Elf32_Word sh_name; ++ Elf32_Word sh_type; ++ Elf32_Word sh_flags; ++ Elf32_Addr sh_addr; ++ Elf32_Off sh_offset; ++ Elf32_Word sh_size; ++ Elf32_Word sh_link; ++ Elf32_Word sh_info; ++ Elf32_Word sh_addralign; ++ Elf32_Word sh_entsize; ++} Elf32_Shdr; ++ ++typedef struct { ++ Elf64_Word sh_name; ++ Elf64_Word sh_type; ++ Elf64_Xword sh_flags; ++ Elf64_Addr sh_addr; ++ Elf64_Off sh_offset; ++ Elf64_Xword sh_size; ++ Elf64_Word sh_link; ++ Elf64_Word sh_info; ++ Elf64_Xword sh_addralign; ++ Elf64_Xword sh_entsize; ++} Elf64_Shdr; ++ ++ ++ ++#define SHN_UNDEF 0 ++#define SHN_LORESERVE 0xff00 ++#define SHN_LOPROC 0xff00 ++#define SHN_BEFORE 0xff00 ++ ++#define SHN_AFTER 0xff01 ++ ++#define SHN_HIPROC 0xff1f ++#define SHN_LOOS 0xff20 ++#define SHN_HIOS 0xff3f ++#define SHN_ABS 0xfff1 ++#define SHN_COMMON 0xfff2 ++#define SHN_XINDEX 0xffff ++#define SHN_HIRESERVE 0xffff ++ ++ ++ ++#define SHT_NULL 0 ++#define SHT_PROGBITS 1 ++#define SHT_SYMTAB 2 ++#define SHT_STRTAB 3 ++#define SHT_RELA 4 ++#define SHT_HASH 5 ++#define SHT_DYNAMIC 6 ++#define SHT_NOTE 7 ++#define SHT_NOBITS 8 ++#define SHT_REL 9 ++#define SHT_SHLIB 10 ++#define SHT_DYNSYM 11 ++#define SHT_INIT_ARRAY 14 ++#define SHT_FINI_ARRAY 15 ++#define SHT_PREINIT_ARRAY 16 ++#define SHT_GROUP 17 ++#define SHT_SYMTAB_SHNDX 18 ++#define SHT_NUM 19 ++#define SHT_LOOS 0x60000000 ++#define SHT_GNU_ATTRIBUTES 0x6ffffff5 ++#define SHT_GNU_HASH 0x6ffffff6 ++#define SHT_GNU_LIBLIST 0x6ffffff7 ++#define SHT_CHECKSUM 0x6ffffff8 ++#define SHT_LOSUNW 0x6ffffffa ++#define SHT_SUNW_move 0x6ffffffa ++#define SHT_SUNW_COMDAT 0x6ffffffb ++#define SHT_SUNW_syminfo 0x6ffffffc ++#define SHT_GNU_verdef 0x6ffffffd ++#define SHT_GNU_verneed 0x6ffffffe ++#define SHT_GNU_versym 0x6fffffff ++#define SHT_HISUNW 0x6fffffff ++#define SHT_HIOS 0x6fffffff ++#define SHT_LOPROC 0x70000000 ++#define SHT_HIPROC 0x7fffffff ++#define SHT_LOUSER 0x80000000 ++#define SHT_HIUSER 0x8fffffff ++ ++#define SHF_WRITE (1 << 0) ++#define SHF_ALLOC (1 << 1) ++#define SHF_EXECINSTR (1 << 2) ++#define SHF_MERGE (1 << 4) ++#define SHF_STRINGS (1 << 5) ++#define SHF_INFO_LINK (1 << 6) ++#define SHF_LINK_ORDER (1 << 7) ++#define SHF_OS_NONCONFORMING (1 << 8) ++ ++#define SHF_GROUP (1 << 9) ++#define SHF_TLS (1 << 10) ++#define SHF_MASKOS 0x0ff00000 ++#define SHF_MASKPROC 0xf0000000 ++#define SHF_ORDERED (1 << 30) ++#define SHF_EXCLUDE (1 << 31) ++ ++#define GRP_COMDAT 0x1 ++ ++typedef struct { ++ Elf32_Word st_name; ++ Elf32_Addr st_value; ++ Elf32_Word st_size; ++ unsigned char st_info; ++ unsigned char st_other; ++ Elf32_Section st_shndx; ++} Elf32_Sym; ++ ++typedef struct { ++ Elf64_Word st_name; ++ unsigned char st_info; ++ unsigned char st_other; ++ Elf64_Section st_shndx; ++ Elf64_Addr st_value; ++ Elf64_Xword st_size; ++} Elf64_Sym; ++ ++typedef struct { ++ Elf32_Half si_boundto; ++ Elf32_Half si_flags; ++} Elf32_Syminfo; ++ ++typedef struct { ++ Elf64_Half si_boundto; ++ Elf64_Half si_flags; ++} Elf64_Syminfo; ++ ++#define SYMINFO_BT_SELF 0xffff ++#define SYMINFO_BT_PARENT 0xfffe ++#define SYMINFO_BT_LOWRESERVE 0xff00 ++ ++#define SYMINFO_FLG_DIRECT 0x0001 ++#define SYMINFO_FLG_PASSTHRU 0x0002 ++#define SYMINFO_FLG_COPY 0x0004 ++#define SYMINFO_FLG_LAZYLOAD 0x0008 ++ ++#define SYMINFO_NONE 0 ++#define SYMINFO_CURRENT 1 ++#define SYMINFO_NUM 2 ++ ++#define ELF32_ST_BIND(val) (((unsigned char) (val)) >> 4) ++#define ELF32_ST_TYPE(val) ((val) & 0xf) ++#define ELF32_ST_INFO(bind, type) (((bind) << 4) + ((type) & 0xf)) ++ ++#define ELF64_ST_BIND(val) ELF32_ST_BIND (val) ++#define ELF64_ST_TYPE(val) ELF32_ST_TYPE (val) ++#define ELF64_ST_INFO(bind, type) ELF32_ST_INFO ((bind), (type)) ++ ++#define STB_LOCAL 0 ++#define STB_GLOBAL 1 ++#define STB_WEAK 2 ++#define STB_NUM 3 ++#define STB_LOOS 10 ++#define STB_GNU_UNIQUE 10 ++#define STB_HIOS 12 ++#define STB_LOPROC 13 ++#define STB_HIPROC 15 ++ ++#define STT_NOTYPE 0 ++#define STT_OBJECT 1 ++#define STT_FUNC 2 ++#define STT_SECTION 3 ++#define STT_FILE 4 ++#define STT_COMMON 5 ++#define STT_TLS 6 ++#define STT_NUM 7 ++#define STT_LOOS 10 ++#define STT_GNU_IFUNC 10 ++#define STT_HIOS 12 ++#define STT_LOPROC 13 ++#define STT_HIPROC 15 ++ ++#define STN_UNDEF 0 ++ ++#define ELF32_ST_VISIBILITY(o) ((o) & 0x03) ++#define ELF64_ST_VISIBILITY(o) ELF32_ST_VISIBILITY (o) ++ ++#define STV_DEFAULT 0 ++#define STV_INTERNAL 1 ++#define STV_HIDDEN 2 ++#define STV_PROTECTED 3 ++ ++ ++ ++ ++typedef struct ++{ ++ Elf32_Addr r_offset; ++ Elf32_Word r_info; ++} Elf32_Rel; ++ ++typedef struct { ++ Elf64_Addr r_offset; ++ Elf64_Xword r_info; ++} Elf64_Rel; ++ ++ ++ ++typedef struct { ++ Elf32_Addr r_offset; ++ Elf32_Word r_info; ++ Elf32_Sword r_addend; ++} Elf32_Rela; ++ ++typedef struct { ++ Elf64_Addr r_offset; ++ Elf64_Xword r_info; ++ Elf64_Sxword r_addend; ++} Elf64_Rela; ++ ++ ++ ++#define ELF32_R_SYM(val) ((val) >> 8) ++#define ELF32_R_TYPE(val) ((val) & 0xff) ++#define ELF32_R_INFO(sym, type) (((sym) << 8) + ((type) & 0xff)) ++ ++#define ELF64_R_SYM(i) ((i) >> 32) ++#define ELF64_R_TYPE(i) ((i) & 0xffffffff) ++#define ELF64_R_INFO(sym,type) ((((Elf64_Xword) (sym)) << 32) + (type)) ++ ++ ++ ++typedef struct { ++ Elf32_Word p_type; ++ Elf32_Off p_offset; ++ Elf32_Addr p_vaddr; ++ Elf32_Addr p_paddr; ++ Elf32_Word p_filesz; ++ Elf32_Word p_memsz; ++ Elf32_Word p_flags; ++ Elf32_Word p_align; ++} Elf32_Phdr; ++ ++typedef struct { ++ Elf64_Word p_type; ++ Elf64_Word p_flags; ++ Elf64_Off p_offset; ++ Elf64_Addr p_vaddr; ++ Elf64_Addr p_paddr; ++ Elf64_Xword p_filesz; ++ Elf64_Xword p_memsz; ++ Elf64_Xword p_align; ++} Elf64_Phdr; ++ ++ ++ ++#define PT_NULL 0 ++#define PT_LOAD 1 ++#define PT_DYNAMIC 2 ++#define PT_INTERP 3 ++#define PT_NOTE 4 ++#define PT_SHLIB 5 ++#define PT_PHDR 6 ++#define PT_TLS 7 ++#define PT_NUM 8 ++#define PT_LOOS 0x60000000 ++#define PT_GNU_EH_FRAME 0x6474e550 ++#define PT_GNU_STACK 0x6474e551 ++#define PT_GNU_RELRO 0x6474e552 ++#define PT_LOSUNW 0x6ffffffa ++#define PT_SUNWBSS 0x6ffffffa ++#define PT_SUNWSTACK 0x6ffffffb ++#define PT_HISUNW 0x6fffffff ++#define PT_HIOS 0x6fffffff ++#define PT_LOPROC 0x70000000 ++#define PT_HIPROC 0x7fffffff ++ ++ ++#define PN_XNUM 0xffff ++ ++ ++#define PF_X (1 << 0) ++#define PF_W (1 << 1) ++#define PF_R (1 << 2) ++#define PF_MASKOS 0x0ff00000 ++#define PF_MASKPROC 0xf0000000 ++ ++ ++ ++#define NT_PRSTATUS 1 ++#define NT_FPREGSET 2 ++#define NT_PRPSINFO 3 ++#define NT_PRXREG 4 ++#define NT_TASKSTRUCT 4 ++#define NT_PLATFORM 5 ++#define NT_AUXV 6 ++#define NT_GWINDOWS 7 ++#define NT_ASRS 8 ++#define NT_PSTATUS 10 ++#define NT_PSINFO 13 ++#define NT_PRCRED 14 ++#define NT_UTSNAME 15 ++#define NT_LWPSTATUS 16 ++#define NT_LWPSINFO 17 ++#define NT_PRFPXREG 20 ++#define NT_SIGINFO 0x53494749 ++#define NT_FILE 0x46494c45 ++#define NT_PRXFPREG 0x46e62b7f ++#define NT_PPC_VMX 0x100 ++#define NT_PPC_SPE 0x101 ++#define NT_PPC_VSX 0x102 ++#define NT_386_TLS 0x200 ++#define NT_386_IOPERM 0x201 ++#define NT_X86_XSTATE 0x202 ++#define NT_S390_HIGH_GPRS 0x300 ++#define NT_S390_TIMER 0x301 ++#define NT_S390_TODCMP 0x302 ++#define NT_S390_TODPREG 0x303 ++#define NT_S390_CTRS 0x304 ++#define NT_S390_PREFIX 0x305 ++#define NT_S390_LAST_BREAK 0x306 ++#define NT_S390_SYSTEM_CALL 0x307 ++#define NT_S390_TDB 0x308 ++#define NT_ARM_VFP 0x400 ++#define NT_ARM_TLS 0x401 ++#define NT_ARM_HW_BREAK 0x402 ++#define NT_ARM_HW_WATCH 0x403 ++#define NT_METAG_CBUF 0x500 ++#define NT_METAG_RPIPE 0x501 ++#define NT_METAG_TLS 0x502 ++#define NT_VERSION 1 ++ ++ ++ ++ ++typedef struct { ++ Elf32_Sword d_tag; ++ union { ++ Elf32_Word d_val; ++ Elf32_Addr d_ptr; ++ } d_un; ++} Elf32_Dyn; ++ ++typedef struct { ++ Elf64_Sxword d_tag; ++ union { ++ Elf64_Xword d_val; ++ Elf64_Addr d_ptr; ++ } d_un; ++} Elf64_Dyn; ++ ++ ++ ++#define DT_NULL 0 ++#define DT_NEEDED 1 ++#define DT_PLTRELSZ 2 ++#define DT_PLTGOT 3 ++#define DT_HASH 4 ++#define DT_STRTAB 5 ++#define DT_SYMTAB 6 ++#define DT_RELA 7 ++#define DT_RELASZ 8 ++#define DT_RELAENT 9 ++#define DT_STRSZ 10 ++#define DT_SYMENT 11 ++#define DT_INIT 12 ++#define DT_FINI 13 ++#define DT_SONAME 14 ++#define DT_RPATH 15 ++#define DT_SYMBOLIC 16 ++#define DT_REL 17 ++#define DT_RELSZ 18 ++#define DT_RELENT 19 ++#define DT_PLTREL 20 ++#define DT_DEBUG 21 ++#define DT_TEXTREL 22 ++#define DT_JMPREL 23 ++#define DT_BIND_NOW 24 ++#define DT_INIT_ARRAY 25 ++#define DT_FINI_ARRAY 26 ++#define DT_INIT_ARRAYSZ 27 ++#define DT_FINI_ARRAYSZ 28 ++#define DT_RUNPATH 29 ++#define DT_FLAGS 30 ++#define DT_ENCODING 32 ++#define DT_PREINIT_ARRAY 32 ++#define DT_PREINIT_ARRAYSZ 33 ++#define DT_NUM 34 ++#define DT_LOOS 0x6000000d ++#define DT_HIOS 0x6ffff000 ++#define DT_LOPROC 0x70000000 ++#define DT_HIPROC 0x7fffffff ++#define DT_PROCNUM DT_MIPS_NUM ++ ++#define DT_VALRNGLO 0x6ffffd00 ++#define DT_GNU_PRELINKED 0x6ffffdf5 ++#define DT_GNU_CONFLICTSZ 0x6ffffdf6 ++#define DT_GNU_LIBLISTSZ 0x6ffffdf7 ++#define DT_CHECKSUM 0x6ffffdf8 ++#define DT_PLTPADSZ 0x6ffffdf9 ++#define DT_MOVEENT 0x6ffffdfa ++#define DT_MOVESZ 0x6ffffdfb ++#define DT_FEATURE_1 0x6ffffdfc ++#define DT_POSFLAG_1 0x6ffffdfd ++ ++#define DT_SYMINSZ 0x6ffffdfe ++#define DT_SYMINENT 0x6ffffdff ++#define DT_VALRNGHI 0x6ffffdff ++#define DT_VALTAGIDX(tag) (DT_VALRNGHI - (tag)) ++#define DT_VALNUM 12 ++ ++#define DT_ADDRRNGLO 0x6ffffe00 ++#define DT_GNU_HASH 0x6ffffef5 ++#define DT_TLSDESC_PLT 0x6ffffef6 ++#define DT_TLSDESC_GOT 0x6ffffef7 ++#define DT_GNU_CONFLICT 0x6ffffef8 ++#define DT_GNU_LIBLIST 0x6ffffef9 ++#define DT_CONFIG 0x6ffffefa ++#define DT_DEPAUDIT 0x6ffffefb ++#define DT_AUDIT 0x6ffffefc ++#define DT_PLTPAD 0x6ffffefd ++#define DT_MOVETAB 0x6ffffefe ++#define DT_SYMINFO 0x6ffffeff ++#define DT_ADDRRNGHI 0x6ffffeff ++#define DT_ADDRTAGIDX(tag) (DT_ADDRRNGHI - (tag)) ++#define DT_ADDRNUM 11 ++ ++ ++ ++#define DT_VERSYM 0x6ffffff0 ++ ++#define DT_RELACOUNT 0x6ffffff9 ++#define DT_RELCOUNT 0x6ffffffa ++ ++ ++#define DT_FLAGS_1 0x6ffffffb ++#define DT_VERDEF 0x6ffffffc ++ ++#define DT_VERDEFNUM 0x6ffffffd ++#define DT_VERNEED 0x6ffffffe ++ ++#define DT_VERNEEDNUM 0x6fffffff ++#define DT_VERSIONTAGIDX(tag) (DT_VERNEEDNUM - (tag)) ++#define DT_VERSIONTAGNUM 16 ++ ++ ++ ++#define DT_AUXILIARY 0x7ffffffd ++#define DT_FILTER 0x7fffffff ++#define DT_EXTRATAGIDX(tag) ((Elf32_Word)-((Elf32_Sword) (tag) <<1>>1)-1) ++#define DT_EXTRANUM 3 ++ ++ ++#define DF_ORIGIN 0x00000001 ++#define DF_SYMBOLIC 0x00000002 ++#define DF_TEXTREL 0x00000004 ++#define DF_BIND_NOW 0x00000008 ++#define DF_STATIC_TLS 0x00000010 ++ ++ ++ ++#define DF_1_NOW 0x00000001 ++#define DF_1_GLOBAL 0x00000002 ++#define DF_1_GROUP 0x00000004 ++#define DF_1_NODELETE 0x00000008 ++#define DF_1_LOADFLTR 0x00000010 ++#define DF_1_INITFIRST 0x00000020 ++#define DF_1_NOOPEN 0x00000040 ++#define DF_1_ORIGIN 0x00000080 ++#define DF_1_DIRECT 0x00000100 ++#define DF_1_TRANS 0x00000200 ++#define DF_1_INTERPOSE 0x00000400 ++#define DF_1_NODEFLIB 0x00000800 ++#define DF_1_NODUMP 0x00001000 ++#define DF_1_CONFALT 0x00002000 ++#define DF_1_ENDFILTEE 0x00004000 ++#define DF_1_DISPRELDNE 0x00008000 ++#define DF_1_DISPRELPND 0x00010000 ++#define DF_1_NODIRECT 0x00020000 ++#define DF_1_IGNMULDEF 0x00040000 ++#define DF_1_NOKSYMS 0x00080000 ++#define DF_1_NOHDR 0x00100000 ++#define DF_1_EDITED 0x00200000 ++#define DF_1_NORELOC 0x00400000 ++#define DF_1_SYMINTPOSE 0x00800000 ++#define DF_1_GLOBAUDIT 0x01000000 ++#define DF_1_SINGLETON 0x02000000 ++ ++#define DTF_1_PARINIT 0x00000001 ++#define DTF_1_CONFEXP 0x00000002 ++ ++ ++#define DF_P1_LAZYLOAD 0x00000001 ++#define DF_P1_GROUPPERM 0x00000002 ++ ++ ++ ++ ++typedef struct { ++ Elf32_Half vd_version; ++ Elf32_Half vd_flags; ++ Elf32_Half vd_ndx; ++ Elf32_Half vd_cnt; ++ Elf32_Word vd_hash; ++ Elf32_Word vd_aux; ++ Elf32_Word vd_next; ++} Elf32_Verdef; ++ ++typedef struct { ++ Elf64_Half vd_version; ++ Elf64_Half vd_flags; ++ Elf64_Half vd_ndx; ++ Elf64_Half vd_cnt; ++ Elf64_Word vd_hash; ++ Elf64_Word vd_aux; ++ Elf64_Word vd_next; ++} Elf64_Verdef; ++ ++ ++ ++#define VER_DEF_NONE 0 ++#define VER_DEF_CURRENT 1 ++#define VER_DEF_NUM 2 ++ ++ ++#define VER_FLG_BASE 0x1 ++#define VER_FLG_WEAK 0x2 ++ ++ ++#define VER_NDX_LOCAL 0 ++#define VER_NDX_GLOBAL 1 ++#define VER_NDX_LORESERVE 0xff00 ++#define VER_NDX_ELIMINATE 0xff01 ++ ++ ++ ++typedef struct { ++ Elf32_Word vda_name; ++ Elf32_Word vda_next; ++} Elf32_Verdaux; ++ ++typedef struct { ++ Elf64_Word vda_name; ++ Elf64_Word vda_next; ++} Elf64_Verdaux; ++ ++ ++ ++ ++typedef struct { ++ Elf32_Half vn_version; ++ Elf32_Half vn_cnt; ++ Elf32_Word vn_file; ++ Elf32_Word vn_aux; ++ Elf32_Word vn_next; ++} Elf32_Verneed; ++ ++typedef struct { ++ Elf64_Half vn_version; ++ Elf64_Half vn_cnt; ++ Elf64_Word vn_file; ++ Elf64_Word vn_aux; ++ Elf64_Word vn_next; ++} Elf64_Verneed; ++ ++ ++ ++#define VER_NEED_NONE 0 ++#define VER_NEED_CURRENT 1 ++#define VER_NEED_NUM 2 ++ ++ ++ ++typedef struct { ++ Elf32_Word vna_hash; ++ Elf32_Half vna_flags; ++ Elf32_Half vna_other; ++ Elf32_Word vna_name; ++ Elf32_Word vna_next; ++} Elf32_Vernaux; ++ ++typedef struct { ++ Elf64_Word vna_hash; ++ Elf64_Half vna_flags; ++ Elf64_Half vna_other; ++ Elf64_Word vna_name; ++ Elf64_Word vna_next; ++} Elf64_Vernaux; ++ ++ ++ ++#define VER_FLG_WEAK 0x2 ++ ++ ++ ++typedef struct { ++ uint32_t a_type; ++ union { ++ uint32_t a_val; ++ } a_un; ++} Elf32_auxv_t; ++ ++typedef struct { ++ uint64_t a_type; ++ union { ++ uint64_t a_val; ++ } a_un; ++} Elf64_auxv_t; ++ ++ ++ ++#define AT_NULL 0 ++#define AT_IGNORE 1 ++#define AT_EXECFD 2 ++#define AT_PHDR 3 ++#define AT_PHENT 4 ++#define AT_PHNUM 5 ++#define AT_PAGESZ 6 ++#define AT_BASE 7 ++#define AT_FLAGS 8 ++#define AT_ENTRY 9 ++#define AT_NOTELF 10 ++#define AT_UID 11 ++#define AT_EUID 12 ++#define AT_GID 13 ++#define AT_EGID 14 ++#define AT_CLKTCK 17 ++ ++ ++#define AT_PLATFORM 15 ++#define AT_HWCAP 16 ++ ++ ++ ++ ++#define AT_FPUCW 18 ++ ++ ++#define AT_DCACHEBSIZE 19 ++#define AT_ICACHEBSIZE 20 ++#define AT_UCACHEBSIZE 21 ++ ++ ++ ++#define AT_IGNOREPPC 22 ++ ++#define AT_SECURE 23 ++ ++#define AT_BASE_PLATFORM 24 ++ ++#define AT_RANDOM 25 ++ ++#define AT_HWCAP2 26 ++ ++#define AT_EXECFN 31 ++ ++ ++ ++#define AT_SYSINFO 32 ++#define AT_SYSINFO_EHDR 33 ++ ++ ++ ++#define AT_L1I_CACHESHAPE 34 ++#define AT_L1D_CACHESHAPE 35 ++#define AT_L2_CACHESHAPE 36 ++#define AT_L3_CACHESHAPE 37 ++ ++ ++ ++ ++typedef struct { ++ Elf32_Word n_namesz; ++ Elf32_Word n_descsz; ++ Elf32_Word n_type; ++} Elf32_Nhdr; ++ ++typedef struct { ++ Elf64_Word n_namesz; ++ Elf64_Word n_descsz; ++ Elf64_Word n_type; ++} Elf64_Nhdr; ++ ++ ++ ++ ++#define ELF_NOTE_SOLARIS "SUNW Solaris" ++ ++ ++#define ELF_NOTE_GNU "GNU" ++ ++ ++ ++ ++ ++#define ELF_NOTE_PAGESIZE_HINT 1 ++ ++ ++#define NT_GNU_ABI_TAG 1 ++#define ELF_NOTE_ABI NT_GNU_ABI_TAG ++ ++ ++ ++#define ELF_NOTE_OS_LINUX 0 ++#define ELF_NOTE_OS_GNU 1 ++#define ELF_NOTE_OS_SOLARIS2 2 ++#define ELF_NOTE_OS_FREEBSD 3 ++ ++#define NT_GNU_BUILD_ID 3 ++#define NT_GNU_GOLD_VERSION 4 ++ ++ ++ ++typedef struct { ++ Elf32_Xword m_value; ++ Elf32_Word m_info; ++ Elf32_Word m_poffset; ++ Elf32_Half m_repeat; ++ Elf32_Half m_stride; ++} Elf32_Move; ++ ++typedef struct { ++ Elf64_Xword m_value; ++ Elf64_Xword m_info; ++ Elf64_Xword m_poffset; ++ Elf64_Half m_repeat; ++ Elf64_Half m_stride; ++} Elf64_Move; ++ ++ ++#define ELF32_M_SYM(info) ((info) >> 8) ++#define ELF32_M_SIZE(info) ((unsigned char) (info)) ++#define ELF32_M_INFO(sym, size) (((sym) << 8) + (unsigned char) (size)) ++ ++#define ELF64_M_SYM(info) ELF32_M_SYM (info) ++#define ELF64_M_SIZE(info) ELF32_M_SIZE (info) ++#define ELF64_M_INFO(sym, size) ELF32_M_INFO (sym, size) ++ ++#define EF_CPU32 0x00810000 ++ ++#define R_68K_NONE 0 ++#define R_68K_32 1 ++#define R_68K_16 2 ++#define R_68K_8 3 ++#define R_68K_PC32 4 ++#define R_68K_PC16 5 ++#define R_68K_PC8 6 ++#define R_68K_GOT32 7 ++#define R_68K_GOT16 8 ++#define R_68K_GOT8 9 ++#define R_68K_GOT32O 10 ++#define R_68K_GOT16O 11 ++#define R_68K_GOT8O 12 ++#define R_68K_PLT32 13 ++#define R_68K_PLT16 14 ++#define R_68K_PLT8 15 ++#define R_68K_PLT32O 16 ++#define R_68K_PLT16O 17 ++#define R_68K_PLT8O 18 ++#define R_68K_COPY 19 ++#define R_68K_GLOB_DAT 20 ++#define R_68K_JMP_SLOT 21 ++#define R_68K_RELATIVE 22 ++#define R_68K_NUM 23 ++ ++#define R_386_NONE 0 ++#define R_386_32 1 ++#define R_386_PC32 2 ++#define R_386_GOT32 3 ++#define R_386_PLT32 4 ++#define R_386_COPY 5 ++#define R_386_GLOB_DAT 6 ++#define R_386_JMP_SLOT 7 ++#define R_386_RELATIVE 8 ++#define R_386_GOTOFF 9 ++#define R_386_GOTPC 10 ++#define R_386_32PLT 11 ++#define R_386_TLS_TPOFF 14 ++#define R_386_TLS_IE 15 ++#define R_386_TLS_GOTIE 16 ++#define R_386_TLS_LE 17 ++#define R_386_TLS_GD 18 ++#define R_386_TLS_LDM 19 ++#define R_386_16 20 ++#define R_386_PC16 21 ++#define R_386_8 22 ++#define R_386_PC8 23 ++#define R_386_TLS_GD_32 24 ++#define R_386_TLS_GD_PUSH 25 ++#define R_386_TLS_GD_CALL 26 ++#define R_386_TLS_GD_POP 27 ++#define R_386_TLS_LDM_32 28 ++#define R_386_TLS_LDM_PUSH 29 ++#define R_386_TLS_LDM_CALL 30 ++#define R_386_TLS_LDM_POP 31 ++#define R_386_TLS_LDO_32 32 ++#define R_386_TLS_IE_32 33 ++#define R_386_TLS_LE_32 34 ++#define R_386_TLS_DTPMOD32 35 ++#define R_386_TLS_DTPOFF32 36 ++#define R_386_TLS_TPOFF32 37 ++#define R_386_SIZE32 38 ++#define R_386_TLS_GOTDESC 39 ++#define R_386_TLS_DESC_CALL 40 ++#define R_386_TLS_DESC 41 ++#define R_386_IRELATIVE 42 ++#define R_386_NUM 43 ++ ++ ++ ++ ++ ++#define STT_SPARC_REGISTER 13 ++ ++ ++ ++#define EF_SPARCV9_MM 3 ++#define EF_SPARCV9_TSO 0 ++#define EF_SPARCV9_PSO 1 ++#define EF_SPARCV9_RMO 2 ++#define EF_SPARC_LEDATA 0x800000 ++#define EF_SPARC_EXT_MASK 0xFFFF00 ++#define EF_SPARC_32PLUS 0x000100 ++#define EF_SPARC_SUN_US1 0x000200 ++#define EF_SPARC_HAL_R1 0x000400 ++#define EF_SPARC_SUN_US3 0x000800 ++ ++ ++ ++#define R_SPARC_NONE 0 ++#define R_SPARC_8 1 ++#define R_SPARC_16 2 ++#define R_SPARC_32 3 ++#define R_SPARC_DISP8 4 ++#define R_SPARC_DISP16 5 ++#define R_SPARC_DISP32 6 ++#define R_SPARC_WDISP30 7 ++#define R_SPARC_WDISP22 8 ++#define R_SPARC_HI22 9 ++#define R_SPARC_22 10 ++#define R_SPARC_13 11 ++#define R_SPARC_LO10 12 ++#define R_SPARC_GOT10 13 ++#define R_SPARC_GOT13 14 ++#define R_SPARC_GOT22 15 ++#define R_SPARC_PC10 16 ++#define R_SPARC_PC22 17 ++#define R_SPARC_WPLT30 18 ++#define R_SPARC_COPY 19 ++#define R_SPARC_GLOB_DAT 20 ++#define R_SPARC_JMP_SLOT 21 ++#define R_SPARC_RELATIVE 22 ++#define R_SPARC_UA32 23 ++ ++ ++ ++#define R_SPARC_PLT32 24 ++#define R_SPARC_HIPLT22 25 ++#define R_SPARC_LOPLT10 26 ++#define R_SPARC_PCPLT32 27 ++#define R_SPARC_PCPLT22 28 ++#define R_SPARC_PCPLT10 29 ++#define R_SPARC_10 30 ++#define R_SPARC_11 31 ++#define R_SPARC_64 32 ++#define R_SPARC_OLO10 33 ++#define R_SPARC_HH22 34 ++#define R_SPARC_HM10 35 ++#define R_SPARC_LM22 36 ++#define R_SPARC_PC_HH22 37 ++#define R_SPARC_PC_HM10 38 ++#define R_SPARC_PC_LM22 39 ++#define R_SPARC_WDISP16 40 ++#define R_SPARC_WDISP19 41 ++#define R_SPARC_GLOB_JMP 42 ++#define R_SPARC_7 43 ++#define R_SPARC_5 44 ++#define R_SPARC_6 45 ++#define R_SPARC_DISP64 46 ++#define R_SPARC_PLT64 47 ++#define R_SPARC_HIX22 48 ++#define R_SPARC_LOX10 49 ++#define R_SPARC_H44 50 ++#define R_SPARC_M44 51 ++#define R_SPARC_L44 52 ++#define R_SPARC_REGISTER 53 ++#define R_SPARC_UA64 54 ++#define R_SPARC_UA16 55 ++#define R_SPARC_TLS_GD_HI22 56 ++#define R_SPARC_TLS_GD_LO10 57 ++#define R_SPARC_TLS_GD_ADD 58 ++#define R_SPARC_TLS_GD_CALL 59 ++#define R_SPARC_TLS_LDM_HI22 60 ++#define R_SPARC_TLS_LDM_LO10 61 ++#define R_SPARC_TLS_LDM_ADD 62 ++#define R_SPARC_TLS_LDM_CALL 63 ++#define R_SPARC_TLS_LDO_HIX22 64 ++#define R_SPARC_TLS_LDO_LOX10 65 ++#define R_SPARC_TLS_LDO_ADD 66 ++#define R_SPARC_TLS_IE_HI22 67 ++#define R_SPARC_TLS_IE_LO10 68 ++#define R_SPARC_TLS_IE_LD 69 ++#define R_SPARC_TLS_IE_LDX 70 ++#define R_SPARC_TLS_IE_ADD 71 ++#define R_SPARC_TLS_LE_HIX22 72 ++#define R_SPARC_TLS_LE_LOX10 73 ++#define R_SPARC_TLS_DTPMOD32 74 ++#define R_SPARC_TLS_DTPMOD64 75 ++#define R_SPARC_TLS_DTPOFF32 76 ++#define R_SPARC_TLS_DTPOFF64 77 ++#define R_SPARC_TLS_TPOFF32 78 ++#define R_SPARC_TLS_TPOFF64 79 ++#define R_SPARC_GOTDATA_HIX22 80 ++#define R_SPARC_GOTDATA_LOX10 81 ++#define R_SPARC_GOTDATA_OP_HIX22 82 ++#define R_SPARC_GOTDATA_OP_LOX10 83 ++#define R_SPARC_GOTDATA_OP 84 ++#define R_SPARC_H34 85 ++#define R_SPARC_SIZE32 86 ++#define R_SPARC_SIZE64 87 ++#define R_SPARC_GNU_VTINHERIT 250 ++#define R_SPARC_GNU_VTENTRY 251 ++#define R_SPARC_REV32 252 ++ ++#define R_SPARC_NUM 253 ++ ++ ++ ++#define DT_SPARC_REGISTER 0x70000001 ++#define DT_SPARC_NUM 2 ++ ++ ++#define EF_MIPS_NOREORDER 1 ++#define EF_MIPS_PIC 2 ++#define EF_MIPS_CPIC 4 ++#define EF_MIPS_XGOT 8 ++#define EF_MIPS_64BIT_WHIRL 16 ++#define EF_MIPS_ABI2 32 ++#define EF_MIPS_ABI_ON32 64 ++#define EF_MIPS_ARCH 0xf0000000 ++ ++ ++ ++#define EF_MIPS_ARCH_1 0x00000000 ++#define EF_MIPS_ARCH_2 0x10000000 ++#define EF_MIPS_ARCH_3 0x20000000 ++#define EF_MIPS_ARCH_4 0x30000000 ++#define EF_MIPS_ARCH_5 0x40000000 ++#define EF_MIPS_ARCH_32 0x50000000 ++#define EF_MIPS_ARCH_64 0x60000000 ++#define EF_MIPS_ARCH_32R2 0x70000000 ++#define EF_MIPS_ARCH_64R2 0x80000000 ++ ++ ++#define E_MIPS_ARCH_1 0x00000000 ++#define E_MIPS_ARCH_2 0x10000000 ++#define E_MIPS_ARCH_3 0x20000000 ++#define E_MIPS_ARCH_4 0x30000000 ++#define E_MIPS_ARCH_5 0x40000000 ++#define E_MIPS_ARCH_32 0x50000000 ++#define E_MIPS_ARCH_64 0x60000000 ++ ++ ++ ++#define SHN_MIPS_ACOMMON 0xff00 ++#define SHN_MIPS_TEXT 0xff01 ++#define SHN_MIPS_DATA 0xff02 ++#define SHN_MIPS_SCOMMON 0xff03 ++#define SHN_MIPS_SUNDEFINED 0xff04 ++ ++ ++ ++#define SHT_MIPS_LIBLIST 0x70000000 ++#define SHT_MIPS_MSYM 0x70000001 ++#define SHT_MIPS_CONFLICT 0x70000002 ++#define SHT_MIPS_GPTAB 0x70000003 ++#define SHT_MIPS_UCODE 0x70000004 ++#define SHT_MIPS_DEBUG 0x70000005 ++#define SHT_MIPS_REGINFO 0x70000006 ++#define SHT_MIPS_PACKAGE 0x70000007 ++#define SHT_MIPS_PACKSYM 0x70000008 ++#define SHT_MIPS_RELD 0x70000009 ++#define SHT_MIPS_IFACE 0x7000000b ++#define SHT_MIPS_CONTENT 0x7000000c ++#define SHT_MIPS_OPTIONS 0x7000000d ++#define SHT_MIPS_SHDR 0x70000010 ++#define SHT_MIPS_FDESC 0x70000011 ++#define SHT_MIPS_EXTSYM 0x70000012 ++#define SHT_MIPS_DENSE 0x70000013 ++#define SHT_MIPS_PDESC 0x70000014 ++#define SHT_MIPS_LOCSYM 0x70000015 ++#define SHT_MIPS_AUXSYM 0x70000016 ++#define SHT_MIPS_OPTSYM 0x70000017 ++#define SHT_MIPS_LOCSTR 0x70000018 ++#define SHT_MIPS_LINE 0x70000019 ++#define SHT_MIPS_RFDESC 0x7000001a ++#define SHT_MIPS_DELTASYM 0x7000001b ++#define SHT_MIPS_DELTAINST 0x7000001c ++#define SHT_MIPS_DELTACLASS 0x7000001d ++#define SHT_MIPS_DWARF 0x7000001e ++#define SHT_MIPS_DELTADECL 0x7000001f ++#define SHT_MIPS_SYMBOL_LIB 0x70000020 ++#define SHT_MIPS_EVENTS 0x70000021 ++#define SHT_MIPS_TRANSLATE 0x70000022 ++#define SHT_MIPS_PIXIE 0x70000023 ++#define SHT_MIPS_XLATE 0x70000024 ++#define SHT_MIPS_XLATE_DEBUG 0x70000025 ++#define SHT_MIPS_WHIRL 0x70000026 ++#define SHT_MIPS_EH_REGION 0x70000027 ++#define SHT_MIPS_XLATE_OLD 0x70000028 ++#define SHT_MIPS_PDR_EXCEPTION 0x70000029 ++ ++ ++ ++#define SHF_MIPS_GPREL 0x10000000 ++#define SHF_MIPS_MERGE 0x20000000 ++#define SHF_MIPS_ADDR 0x40000000 ++#define SHF_MIPS_STRINGS 0x80000000 ++#define SHF_MIPS_NOSTRIP 0x08000000 ++#define SHF_MIPS_LOCAL 0x04000000 ++#define SHF_MIPS_NAMES 0x02000000 ++#define SHF_MIPS_NODUPE 0x01000000 ++ ++ ++ ++ ++ ++#define STO_MIPS_DEFAULT 0x0 ++#define STO_MIPS_INTERNAL 0x1 ++#define STO_MIPS_HIDDEN 0x2 ++#define STO_MIPS_PROTECTED 0x3 ++#define STO_MIPS_PLT 0x8 ++#define STO_MIPS_SC_ALIGN_UNUSED 0xff ++ ++ ++#define STB_MIPS_SPLIT_COMMON 13 ++ ++ ++ ++typedef union { ++ struct { ++ Elf32_Word gt_current_g_value; ++ Elf32_Word gt_unused; ++ } gt_header; ++ struct { ++ Elf32_Word gt_g_value; ++ Elf32_Word gt_bytes; ++ } gt_entry; ++} Elf32_gptab; ++ ++ ++ ++typedef struct { ++ Elf32_Word ri_gprmask; ++ Elf32_Word ri_cprmask[4]; ++ Elf32_Sword ri_gp_value; ++} Elf32_RegInfo; ++ ++ ++ ++typedef struct { ++ unsigned char kind; ++ ++ unsigned char size; ++ Elf32_Section section; ++ ++ Elf32_Word info; ++} Elf_Options; ++ ++ ++ ++#define ODK_NULL 0 ++#define ODK_REGINFO 1 ++#define ODK_EXCEPTIONS 2 ++#define ODK_PAD 3 ++#define ODK_HWPATCH 4 ++#define ODK_FILL 5 ++#define ODK_TAGS 6 ++#define ODK_HWAND 7 ++#define ODK_HWOR 8 ++ ++ ++ ++#define OEX_FPU_MIN 0x1f ++#define OEX_FPU_MAX 0x1f00 ++#define OEX_PAGE0 0x10000 ++#define OEX_SMM 0x20000 ++#define OEX_FPDBUG 0x40000 ++#define OEX_PRECISEFP OEX_FPDBUG ++#define OEX_DISMISS 0x80000 ++ ++#define OEX_FPU_INVAL 0x10 ++#define OEX_FPU_DIV0 0x08 ++#define OEX_FPU_OFLO 0x04 ++#define OEX_FPU_UFLO 0x02 ++#define OEX_FPU_INEX 0x01 ++ ++ ++ ++#define OHW_R4KEOP 0x1 ++#define OHW_R8KPFETCH 0x2 ++#define OHW_R5KEOP 0x4 ++#define OHW_R5KCVTL 0x8 ++ ++#define OPAD_PREFIX 0x1 ++#define OPAD_POSTFIX 0x2 ++#define OPAD_SYMBOL 0x4 ++ ++ ++ ++typedef struct { ++ Elf32_Word hwp_flags1; ++ Elf32_Word hwp_flags2; ++} Elf_Options_Hw; ++ ++ ++ ++#define OHWA0_R4KEOP_CHECKED 0x00000001 ++#define OHWA1_R4KEOP_CLEAN 0x00000002 ++ ++ ++ ++#define R_MIPS_NONE 0 ++#define R_MIPS_16 1 ++#define R_MIPS_32 2 ++#define R_MIPS_REL32 3 ++#define R_MIPS_26 4 ++#define R_MIPS_HI16 5 ++#define R_MIPS_LO16 6 ++#define R_MIPS_GPREL16 7 ++#define R_MIPS_LITERAL 8 ++#define R_MIPS_GOT16 9 ++#define R_MIPS_PC16 10 ++#define R_MIPS_CALL16 11 ++#define R_MIPS_GPREL32 12 ++ ++#define R_MIPS_SHIFT5 16 ++#define R_MIPS_SHIFT6 17 ++#define R_MIPS_64 18 ++#define R_MIPS_GOT_DISP 19 ++#define R_MIPS_GOT_PAGE 20 ++#define R_MIPS_GOT_OFST 21 ++#define R_MIPS_GOT_HI16 22 ++#define R_MIPS_GOT_LO16 23 ++#define R_MIPS_SUB 24 ++#define R_MIPS_INSERT_A 25 ++#define R_MIPS_INSERT_B 26 ++#define R_MIPS_DELETE 27 ++#define R_MIPS_HIGHER 28 ++#define R_MIPS_HIGHEST 29 ++#define R_MIPS_CALL_HI16 30 ++#define R_MIPS_CALL_LO16 31 ++#define R_MIPS_SCN_DISP 32 ++#define R_MIPS_REL16 33 ++#define R_MIPS_ADD_IMMEDIATE 34 ++#define R_MIPS_PJUMP 35 ++#define R_MIPS_RELGOT 36 ++#define R_MIPS_JALR 37 ++#define R_MIPS_TLS_DTPMOD32 38 ++#define R_MIPS_TLS_DTPREL32 39 ++#define R_MIPS_TLS_DTPMOD64 40 ++#define R_MIPS_TLS_DTPREL64 41 ++#define R_MIPS_TLS_GD 42 ++#define R_MIPS_TLS_LDM 43 ++#define R_MIPS_TLS_DTPREL_HI16 44 ++#define R_MIPS_TLS_DTPREL_LO16 45 ++#define R_MIPS_TLS_GOTTPREL 46 ++#define R_MIPS_TLS_TPREL32 47 ++#define R_MIPS_TLS_TPREL64 48 ++#define R_MIPS_TLS_TPREL_HI16 49 ++#define R_MIPS_TLS_TPREL_LO16 50 ++#define R_MIPS_GLOB_DAT 51 ++#define R_MIPS_COPY 126 ++#define R_MIPS_JUMP_SLOT 127 ++ ++#define R_MIPS_NUM 128 ++ ++ ++ ++#define PT_MIPS_REGINFO 0x70000000 ++#define PT_MIPS_RTPROC 0x70000001 ++#define PT_MIPS_OPTIONS 0x70000002 ++ ++ ++ ++#define PF_MIPS_LOCAL 0x10000000 ++ ++ ++ ++#define DT_MIPS_RLD_VERSION 0x70000001 ++#define DT_MIPS_TIME_STAMP 0x70000002 ++#define DT_MIPS_ICHECKSUM 0x70000003 ++#define DT_MIPS_IVERSION 0x70000004 ++#define DT_MIPS_FLAGS 0x70000005 ++#define DT_MIPS_BASE_ADDRESS 0x70000006 ++#define DT_MIPS_MSYM 0x70000007 ++#define DT_MIPS_CONFLICT 0x70000008 ++#define DT_MIPS_LIBLIST 0x70000009 ++#define DT_MIPS_LOCAL_GOTNO 0x7000000a ++#define DT_MIPS_CONFLICTNO 0x7000000b ++#define DT_MIPS_LIBLISTNO 0x70000010 ++#define DT_MIPS_SYMTABNO 0x70000011 ++#define DT_MIPS_UNREFEXTNO 0x70000012 ++#define DT_MIPS_GOTSYM 0x70000013 ++#define DT_MIPS_HIPAGENO 0x70000014 ++#define DT_MIPS_RLD_MAP 0x70000016 ++#define DT_MIPS_DELTA_CLASS 0x70000017 ++#define DT_MIPS_DELTA_CLASS_NO 0x70000018 ++ ++#define DT_MIPS_DELTA_INSTANCE 0x70000019 ++#define DT_MIPS_DELTA_INSTANCE_NO 0x7000001a ++ ++#define DT_MIPS_DELTA_RELOC 0x7000001b ++#define DT_MIPS_DELTA_RELOC_NO 0x7000001c ++ ++#define DT_MIPS_DELTA_SYM 0x7000001d ++ ++#define DT_MIPS_DELTA_SYM_NO 0x7000001e ++ ++#define DT_MIPS_DELTA_CLASSSYM 0x70000020 ++ ++#define DT_MIPS_DELTA_CLASSSYM_NO 0x70000021 ++ ++#define DT_MIPS_CXX_FLAGS 0x70000022 ++#define DT_MIPS_PIXIE_INIT 0x70000023 ++#define DT_MIPS_SYMBOL_LIB 0x70000024 ++#define DT_MIPS_LOCALPAGE_GOTIDX 0x70000025 ++#define DT_MIPS_LOCAL_GOTIDX 0x70000026 ++#define DT_MIPS_HIDDEN_GOTIDX 0x70000027 ++#define DT_MIPS_PROTECTED_GOTIDX 0x70000028 ++#define DT_MIPS_OPTIONS 0x70000029 ++#define DT_MIPS_INTERFACE 0x7000002a ++#define DT_MIPS_DYNSTR_ALIGN 0x7000002b ++#define DT_MIPS_INTERFACE_SIZE 0x7000002c ++#define DT_MIPS_RLD_TEXT_RESOLVE_ADDR 0x7000002d ++ ++#define DT_MIPS_PERF_SUFFIX 0x7000002e ++ ++#define DT_MIPS_COMPACT_SIZE 0x7000002f ++#define DT_MIPS_GP_VALUE 0x70000030 ++#define DT_MIPS_AUX_DYNAMIC 0x70000031 ++ ++#define DT_MIPS_PLTGOT 0x70000032 ++ ++#define DT_MIPS_RWPLT 0x70000034 ++#define DT_MIPS_NUM 0x35 ++ ++ ++ ++#define RHF_NONE 0 ++#define RHF_QUICKSTART (1 << 0) ++#define RHF_NOTPOT (1 << 1) ++#define RHF_NO_LIBRARY_REPLACEMENT (1 << 2) ++#define RHF_NO_MOVE (1 << 3) ++#define RHF_SGI_ONLY (1 << 4) ++#define RHF_GUARANTEE_INIT (1 << 5) ++#define RHF_DELTA_C_PLUS_PLUS (1 << 6) ++#define RHF_GUARANTEE_START_INIT (1 << 7) ++#define RHF_PIXIE (1 << 8) ++#define RHF_DEFAULT_DELAY_LOAD (1 << 9) ++#define RHF_REQUICKSTART (1 << 10) ++#define RHF_REQUICKSTARTED (1 << 11) ++#define RHF_CORD (1 << 12) ++#define RHF_NO_UNRES_UNDEF (1 << 13) ++#define RHF_RLD_ORDER_SAFE (1 << 14) ++ ++ ++ ++typedef struct ++{ ++ Elf32_Word l_name; ++ Elf32_Word l_time_stamp; ++ Elf32_Word l_checksum; ++ Elf32_Word l_version; ++ Elf32_Word l_flags; ++} Elf32_Lib; ++ ++typedef struct ++{ ++ Elf64_Word l_name; ++ Elf64_Word l_time_stamp; ++ Elf64_Word l_checksum; ++ Elf64_Word l_version; ++ Elf64_Word l_flags; ++} Elf64_Lib; ++ ++ ++ ++ ++#define LL_NONE 0 ++#define LL_EXACT_MATCH (1 << 0) ++#define LL_IGNORE_INT_VER (1 << 1) ++#define LL_REQUIRE_MINOR (1 << 2) ++#define LL_EXPORTS (1 << 3) ++#define LL_DELAY_LOAD (1 << 4) ++#define LL_DELTA (1 << 5) ++ ++ ++ ++typedef Elf32_Addr Elf32_Conflict; ++ ++ ++ ++ ++ ++ ++#define EF_PARISC_TRAPNIL 0x00010000 ++#define EF_PARISC_EXT 0x00020000 ++#define EF_PARISC_LSB 0x00040000 ++#define EF_PARISC_WIDE 0x00080000 ++#define EF_PARISC_NO_KABP 0x00100000 ++ ++#define EF_PARISC_LAZYSWAP 0x00400000 ++#define EF_PARISC_ARCH 0x0000ffff ++ ++ ++ ++#define EFA_PARISC_1_0 0x020b ++#define EFA_PARISC_1_1 0x0210 ++#define EFA_PARISC_2_0 0x0214 ++ ++ ++ ++#define SHN_PARISC_ANSI_COMMON 0xff00 ++ ++#define SHN_PARISC_HUGE_COMMON 0xff01 ++ ++ ++ ++#define SHT_PARISC_EXT 0x70000000 ++#define SHT_PARISC_UNWIND 0x70000001 ++#define SHT_PARISC_DOC 0x70000002 ++ ++ ++ ++#define SHF_PARISC_SHORT 0x20000000 ++#define SHF_PARISC_HUGE 0x40000000 ++#define SHF_PARISC_SBP 0x80000000 ++ ++ ++ ++#define STT_PARISC_MILLICODE 13 ++ ++#define STT_HP_OPAQUE (STT_LOOS + 0x1) ++#define STT_HP_STUB (STT_LOOS + 0x2) ++ ++ ++ ++#define R_PARISC_NONE 0 ++#define R_PARISC_DIR32 1 ++#define R_PARISC_DIR21L 2 ++#define R_PARISC_DIR17R 3 ++#define R_PARISC_DIR17F 4 ++#define R_PARISC_DIR14R 6 ++#define R_PARISC_PCREL32 9 ++#define R_PARISC_PCREL21L 10 ++#define R_PARISC_PCREL17R 11 ++#define R_PARISC_PCREL17F 12 ++#define R_PARISC_PCREL14R 14 ++#define R_PARISC_DPREL21L 18 ++#define R_PARISC_DPREL14R 22 ++#define R_PARISC_GPREL21L 26 ++#define R_PARISC_GPREL14R 30 ++#define R_PARISC_LTOFF21L 34 ++#define R_PARISC_LTOFF14R 38 ++#define R_PARISC_SECREL32 41 ++#define R_PARISC_SEGBASE 48 ++#define R_PARISC_SEGREL32 49 ++#define R_PARISC_PLTOFF21L 50 ++#define R_PARISC_PLTOFF14R 54 ++#define R_PARISC_LTOFF_FPTR32 57 ++#define R_PARISC_LTOFF_FPTR21L 58 ++#define R_PARISC_LTOFF_FPTR14R 62 ++#define R_PARISC_FPTR64 64 ++#define R_PARISC_PLABEL32 65 ++#define R_PARISC_PLABEL21L 66 ++#define R_PARISC_PLABEL14R 70 ++#define R_PARISC_PCREL64 72 ++#define R_PARISC_PCREL22F 74 ++#define R_PARISC_PCREL14WR 75 ++#define R_PARISC_PCREL14DR 76 ++#define R_PARISC_PCREL16F 77 ++#define R_PARISC_PCREL16WF 78 ++#define R_PARISC_PCREL16DF 79 ++#define R_PARISC_DIR64 80 ++#define R_PARISC_DIR14WR 83 ++#define R_PARISC_DIR14DR 84 ++#define R_PARISC_DIR16F 85 ++#define R_PARISC_DIR16WF 86 ++#define R_PARISC_DIR16DF 87 ++#define R_PARISC_GPREL64 88 ++#define R_PARISC_GPREL14WR 91 ++#define R_PARISC_GPREL14DR 92 ++#define R_PARISC_GPREL16F 93 ++#define R_PARISC_GPREL16WF 94 ++#define R_PARISC_GPREL16DF 95 ++#define R_PARISC_LTOFF64 96 ++#define R_PARISC_LTOFF14WR 99 ++#define R_PARISC_LTOFF14DR 100 ++#define R_PARISC_LTOFF16F 101 ++#define R_PARISC_LTOFF16WF 102 ++#define R_PARISC_LTOFF16DF 103 ++#define R_PARISC_SECREL64 104 ++#define R_PARISC_SEGREL64 112 ++#define R_PARISC_PLTOFF14WR 115 ++#define R_PARISC_PLTOFF14DR 116 ++#define R_PARISC_PLTOFF16F 117 ++#define R_PARISC_PLTOFF16WF 118 ++#define R_PARISC_PLTOFF16DF 119 ++#define R_PARISC_LTOFF_FPTR64 120 ++#define R_PARISC_LTOFF_FPTR14WR 123 ++#define R_PARISC_LTOFF_FPTR14DR 124 ++#define R_PARISC_LTOFF_FPTR16F 125 ++#define R_PARISC_LTOFF_FPTR16WF 126 ++#define R_PARISC_LTOFF_FPTR16DF 127 ++#define R_PARISC_LORESERVE 128 ++#define R_PARISC_COPY 128 ++#define R_PARISC_IPLT 129 ++#define R_PARISC_EPLT 130 ++#define R_PARISC_TPREL32 153 ++#define R_PARISC_TPREL21L 154 ++#define R_PARISC_TPREL14R 158 ++#define R_PARISC_LTOFF_TP21L 162 ++#define R_PARISC_LTOFF_TP14R 166 ++#define R_PARISC_LTOFF_TP14F 167 ++#define R_PARISC_TPREL64 216 ++#define R_PARISC_TPREL14WR 219 ++#define R_PARISC_TPREL14DR 220 ++#define R_PARISC_TPREL16F 221 ++#define R_PARISC_TPREL16WF 222 ++#define R_PARISC_TPREL16DF 223 ++#define R_PARISC_LTOFF_TP64 224 ++#define R_PARISC_LTOFF_TP14WR 227 ++#define R_PARISC_LTOFF_TP14DR 228 ++#define R_PARISC_LTOFF_TP16F 229 ++#define R_PARISC_LTOFF_TP16WF 230 ++#define R_PARISC_LTOFF_TP16DF 231 ++#define R_PARISC_GNU_VTENTRY 232 ++#define R_PARISC_GNU_VTINHERIT 233 ++#define R_PARISC_TLS_GD21L 234 ++#define R_PARISC_TLS_GD14R 235 ++#define R_PARISC_TLS_GDCALL 236 ++#define R_PARISC_TLS_LDM21L 237 ++#define R_PARISC_TLS_LDM14R 238 ++#define R_PARISC_TLS_LDMCALL 239 ++#define R_PARISC_TLS_LDO21L 240 ++#define R_PARISC_TLS_LDO14R 241 ++#define R_PARISC_TLS_DTPMOD32 242 ++#define R_PARISC_TLS_DTPMOD64 243 ++#define R_PARISC_TLS_DTPOFF32 244 ++#define R_PARISC_TLS_DTPOFF64 245 ++#define R_PARISC_TLS_LE21L R_PARISC_TPREL21L ++#define R_PARISC_TLS_LE14R R_PARISC_TPREL14R ++#define R_PARISC_TLS_IE21L R_PARISC_LTOFF_TP21L ++#define R_PARISC_TLS_IE14R R_PARISC_LTOFF_TP14R ++#define R_PARISC_TLS_TPREL32 R_PARISC_TPREL32 ++#define R_PARISC_TLS_TPREL64 R_PARISC_TPREL64 ++#define R_PARISC_HIRESERVE 255 ++ ++ ++ ++#define PT_HP_TLS (PT_LOOS + 0x0) ++#define PT_HP_CORE_NONE (PT_LOOS + 0x1) ++#define PT_HP_CORE_VERSION (PT_LOOS + 0x2) ++#define PT_HP_CORE_KERNEL (PT_LOOS + 0x3) ++#define PT_HP_CORE_COMM (PT_LOOS + 0x4) ++#define PT_HP_CORE_PROC (PT_LOOS + 0x5) ++#define PT_HP_CORE_LOADABLE (PT_LOOS + 0x6) ++#define PT_HP_CORE_STACK (PT_LOOS + 0x7) ++#define PT_HP_CORE_SHM (PT_LOOS + 0x8) ++#define PT_HP_CORE_MMF (PT_LOOS + 0x9) ++#define PT_HP_PARALLEL (PT_LOOS + 0x10) ++#define PT_HP_FASTBIND (PT_LOOS + 0x11) ++#define PT_HP_OPT_ANNOT (PT_LOOS + 0x12) ++#define PT_HP_HSL_ANNOT (PT_LOOS + 0x13) ++#define PT_HP_STACK (PT_LOOS + 0x14) ++ ++#define PT_PARISC_ARCHEXT 0x70000000 ++#define PT_PARISC_UNWIND 0x70000001 ++ ++ ++ ++#define PF_PARISC_SBP 0x08000000 ++ ++#define PF_HP_PAGE_SIZE 0x00100000 ++#define PF_HP_FAR_SHARED 0x00200000 ++#define PF_HP_NEAR_SHARED 0x00400000 ++#define PF_HP_CODE 0x01000000 ++#define PF_HP_MODIFY 0x02000000 ++#define PF_HP_LAZYSWAP 0x04000000 ++#define PF_HP_SBP 0x08000000 ++ ++ ++ ++ ++ ++ ++#define EF_ALPHA_32BIT 1 ++#define EF_ALPHA_CANRELAX 2 ++ ++ ++ ++ ++#define SHT_ALPHA_DEBUG 0x70000001 ++#define SHT_ALPHA_REGINFO 0x70000002 ++ ++ ++ ++#define SHF_ALPHA_GPREL 0x10000000 ++ ++ ++#define STO_ALPHA_NOPV 0x80 ++#define STO_ALPHA_STD_GPLOAD 0x88 ++ ++ ++ ++#define R_ALPHA_NONE 0 ++#define R_ALPHA_REFLONG 1 ++#define R_ALPHA_REFQUAD 2 ++#define R_ALPHA_GPREL32 3 ++#define R_ALPHA_LITERAL 4 ++#define R_ALPHA_LITUSE 5 ++#define R_ALPHA_GPDISP 6 ++#define R_ALPHA_BRADDR 7 ++#define R_ALPHA_HINT 8 ++#define R_ALPHA_SREL16 9 ++#define R_ALPHA_SREL32 10 ++#define R_ALPHA_SREL64 11 ++#define R_ALPHA_GPRELHIGH 17 ++#define R_ALPHA_GPRELLOW 18 ++#define R_ALPHA_GPREL16 19 ++#define R_ALPHA_COPY 24 ++#define R_ALPHA_GLOB_DAT 25 ++#define R_ALPHA_JMP_SLOT 26 ++#define R_ALPHA_RELATIVE 27 ++#define R_ALPHA_TLS_GD_HI 28 ++#define R_ALPHA_TLSGD 29 ++#define R_ALPHA_TLS_LDM 30 ++#define R_ALPHA_DTPMOD64 31 ++#define R_ALPHA_GOTDTPREL 32 ++#define R_ALPHA_DTPREL64 33 ++#define R_ALPHA_DTPRELHI 34 ++#define R_ALPHA_DTPRELLO 35 ++#define R_ALPHA_DTPREL16 36 ++#define R_ALPHA_GOTTPREL 37 ++#define R_ALPHA_TPREL64 38 ++#define R_ALPHA_TPRELHI 39 ++#define R_ALPHA_TPRELLO 40 ++#define R_ALPHA_TPREL16 41 ++ ++#define R_ALPHA_NUM 46 ++ ++ ++#define LITUSE_ALPHA_ADDR 0 ++#define LITUSE_ALPHA_BASE 1 ++#define LITUSE_ALPHA_BYTOFF 2 ++#define LITUSE_ALPHA_JSR 3 ++#define LITUSE_ALPHA_TLS_GD 4 ++#define LITUSE_ALPHA_TLS_LDM 5 ++ ++ ++#define DT_ALPHA_PLTRO (DT_LOPROC + 0) ++#define DT_ALPHA_NUM 1 ++ ++ ++ ++ ++#define EF_PPC_EMB 0x80000000 ++ ++ ++#define EF_PPC_RELOCATABLE 0x00010000 ++#define EF_PPC_RELOCATABLE_LIB 0x00008000 ++ ++ ++ ++#define R_PPC_NONE 0 ++#define R_PPC_ADDR32 1 ++#define R_PPC_ADDR24 2 ++#define R_PPC_ADDR16 3 ++#define R_PPC_ADDR16_LO 4 ++#define R_PPC_ADDR16_HI 5 ++#define R_PPC_ADDR16_HA 6 ++#define R_PPC_ADDR14 7 ++#define R_PPC_ADDR14_BRTAKEN 8 ++#define R_PPC_ADDR14_BRNTAKEN 9 ++#define R_PPC_REL24 10 ++#define R_PPC_REL14 11 ++#define R_PPC_REL14_BRTAKEN 12 ++#define R_PPC_REL14_BRNTAKEN 13 ++#define R_PPC_GOT16 14 ++#define R_PPC_GOT16_LO 15 ++#define R_PPC_GOT16_HI 16 ++#define R_PPC_GOT16_HA 17 ++#define R_PPC_PLTREL24 18 ++#define R_PPC_COPY 19 ++#define R_PPC_GLOB_DAT 20 ++#define R_PPC_JMP_SLOT 21 ++#define R_PPC_RELATIVE 22 ++#define R_PPC_LOCAL24PC 23 ++#define R_PPC_UADDR32 24 ++#define R_PPC_UADDR16 25 ++#define R_PPC_REL32 26 ++#define R_PPC_PLT32 27 ++#define R_PPC_PLTREL32 28 ++#define R_PPC_PLT16_LO 29 ++#define R_PPC_PLT16_HI 30 ++#define R_PPC_PLT16_HA 31 ++#define R_PPC_SDAREL16 32 ++#define R_PPC_SECTOFF 33 ++#define R_PPC_SECTOFF_LO 34 ++#define R_PPC_SECTOFF_HI 35 ++#define R_PPC_SECTOFF_HA 36 ++ ++ ++#define R_PPC_TLS 67 ++#define R_PPC_DTPMOD32 68 ++#define R_PPC_TPREL16 69 ++#define R_PPC_TPREL16_LO 70 ++#define R_PPC_TPREL16_HI 71 ++#define R_PPC_TPREL16_HA 72 ++#define R_PPC_TPREL32 73 ++#define R_PPC_DTPREL16 74 ++#define R_PPC_DTPREL16_LO 75 ++#define R_PPC_DTPREL16_HI 76 ++#define R_PPC_DTPREL16_HA 77 ++#define R_PPC_DTPREL32 78 ++#define R_PPC_GOT_TLSGD16 79 ++#define R_PPC_GOT_TLSGD16_LO 80 ++#define R_PPC_GOT_TLSGD16_HI 81 ++#define R_PPC_GOT_TLSGD16_HA 82 ++#define R_PPC_GOT_TLSLD16 83 ++#define R_PPC_GOT_TLSLD16_LO 84 ++#define R_PPC_GOT_TLSLD16_HI 85 ++#define R_PPC_GOT_TLSLD16_HA 86 ++#define R_PPC_GOT_TPREL16 87 ++#define R_PPC_GOT_TPREL16_LO 88 ++#define R_PPC_GOT_TPREL16_HI 89 ++#define R_PPC_GOT_TPREL16_HA 90 ++#define R_PPC_GOT_DTPREL16 91 ++#define R_PPC_GOT_DTPREL16_LO 92 ++#define R_PPC_GOT_DTPREL16_HI 93 ++#define R_PPC_GOT_DTPREL16_HA 94 ++ ++ ++ ++#define R_PPC_EMB_NADDR32 101 ++#define R_PPC_EMB_NADDR16 102 ++#define R_PPC_EMB_NADDR16_LO 103 ++#define R_PPC_EMB_NADDR16_HI 104 ++#define R_PPC_EMB_NADDR16_HA 105 ++#define R_PPC_EMB_SDAI16 106 ++#define R_PPC_EMB_SDA2I16 107 ++#define R_PPC_EMB_SDA2REL 108 ++#define R_PPC_EMB_SDA21 109 ++#define R_PPC_EMB_MRKREF 110 ++#define R_PPC_EMB_RELSEC16 111 ++#define R_PPC_EMB_RELST_LO 112 ++#define R_PPC_EMB_RELST_HI 113 ++#define R_PPC_EMB_RELST_HA 114 ++#define R_PPC_EMB_BIT_FLD 115 ++#define R_PPC_EMB_RELSDA 116 ++ ++ ++#define R_PPC_DIAB_SDA21_LO 180 ++#define R_PPC_DIAB_SDA21_HI 181 ++#define R_PPC_DIAB_SDA21_HA 182 ++#define R_PPC_DIAB_RELSDA_LO 183 ++#define R_PPC_DIAB_RELSDA_HI 184 ++#define R_PPC_DIAB_RELSDA_HA 185 ++ ++ ++#define R_PPC_IRELATIVE 248 ++ ++ ++#define R_PPC_REL16 249 ++#define R_PPC_REL16_LO 250 ++#define R_PPC_REL16_HI 251 ++#define R_PPC_REL16_HA 252 ++ ++ ++ ++#define R_PPC_TOC16 255 ++ ++ ++#define DT_PPC_GOT (DT_LOPROC + 0) ++#define DT_PPC_NUM 1 ++ ++ ++#define R_PPC64_NONE R_PPC_NONE ++#define R_PPC64_ADDR32 R_PPC_ADDR32 ++#define R_PPC64_ADDR24 R_PPC_ADDR24 ++#define R_PPC64_ADDR16 R_PPC_ADDR16 ++#define R_PPC64_ADDR16_LO R_PPC_ADDR16_LO ++#define R_PPC64_ADDR16_HI R_PPC_ADDR16_HI ++#define R_PPC64_ADDR16_HA R_PPC_ADDR16_HA ++#define R_PPC64_ADDR14 R_PPC_ADDR14 ++#define R_PPC64_ADDR14_BRTAKEN R_PPC_ADDR14_BRTAKEN ++#define R_PPC64_ADDR14_BRNTAKEN R_PPC_ADDR14_BRNTAKEN ++#define R_PPC64_REL24 R_PPC_REL24 ++#define R_PPC64_REL14 R_PPC_REL14 ++#define R_PPC64_REL14_BRTAKEN R_PPC_REL14_BRTAKEN ++#define R_PPC64_REL14_BRNTAKEN R_PPC_REL14_BRNTAKEN ++#define R_PPC64_GOT16 R_PPC_GOT16 ++#define R_PPC64_GOT16_LO R_PPC_GOT16_LO ++#define R_PPC64_GOT16_HI R_PPC_GOT16_HI ++#define R_PPC64_GOT16_HA R_PPC_GOT16_HA ++ ++#define R_PPC64_COPY R_PPC_COPY ++#define R_PPC64_GLOB_DAT R_PPC_GLOB_DAT ++#define R_PPC64_JMP_SLOT R_PPC_JMP_SLOT ++#define R_PPC64_RELATIVE R_PPC_RELATIVE ++ ++#define R_PPC64_UADDR32 R_PPC_UADDR32 ++#define R_PPC64_UADDR16 R_PPC_UADDR16 ++#define R_PPC64_REL32 R_PPC_REL32 ++#define R_PPC64_PLT32 R_PPC_PLT32 ++#define R_PPC64_PLTREL32 R_PPC_PLTREL32 ++#define R_PPC64_PLT16_LO R_PPC_PLT16_LO ++#define R_PPC64_PLT16_HI R_PPC_PLT16_HI ++#define R_PPC64_PLT16_HA R_PPC_PLT16_HA ++ ++#define R_PPC64_SECTOFF R_PPC_SECTOFF ++#define R_PPC64_SECTOFF_LO R_PPC_SECTOFF_LO ++#define R_PPC64_SECTOFF_HI R_PPC_SECTOFF_HI ++#define R_PPC64_SECTOFF_HA R_PPC_SECTOFF_HA ++#define R_PPC64_ADDR30 37 ++#define R_PPC64_ADDR64 38 ++#define R_PPC64_ADDR16_HIGHER 39 ++#define R_PPC64_ADDR16_HIGHERA 40 ++#define R_PPC64_ADDR16_HIGHEST 41 ++#define R_PPC64_ADDR16_HIGHESTA 42 ++#define R_PPC64_UADDR64 43 ++#define R_PPC64_REL64 44 ++#define R_PPC64_PLT64 45 ++#define R_PPC64_PLTREL64 46 ++#define R_PPC64_TOC16 47 ++#define R_PPC64_TOC16_LO 48 ++#define R_PPC64_TOC16_HI 49 ++#define R_PPC64_TOC16_HA 50 ++#define R_PPC64_TOC 51 ++#define R_PPC64_PLTGOT16 52 ++#define R_PPC64_PLTGOT16_LO 53 ++#define R_PPC64_PLTGOT16_HI 54 ++#define R_PPC64_PLTGOT16_HA 55 ++ ++#define R_PPC64_ADDR16_DS 56 ++#define R_PPC64_ADDR16_LO_DS 57 ++#define R_PPC64_GOT16_DS 58 ++#define R_PPC64_GOT16_LO_DS 59 ++#define R_PPC64_PLT16_LO_DS 60 ++#define R_PPC64_SECTOFF_DS 61 ++#define R_PPC64_SECTOFF_LO_DS 62 ++#define R_PPC64_TOC16_DS 63 ++#define R_PPC64_TOC16_LO_DS 64 ++#define R_PPC64_PLTGOT16_DS 65 ++#define R_PPC64_PLTGOT16_LO_DS 66 ++ ++ ++#define R_PPC64_TLS 67 ++#define R_PPC64_DTPMOD64 68 ++#define R_PPC64_TPREL16 69 ++#define R_PPC64_TPREL16_LO 70 ++#define R_PPC64_TPREL16_HI 71 ++#define R_PPC64_TPREL16_HA 72 ++#define R_PPC64_TPREL64 73 ++#define R_PPC64_DTPREL16 74 ++#define R_PPC64_DTPREL16_LO 75 ++#define R_PPC64_DTPREL16_HI 76 ++#define R_PPC64_DTPREL16_HA 77 ++#define R_PPC64_DTPREL64 78 ++#define R_PPC64_GOT_TLSGD16 79 ++#define R_PPC64_GOT_TLSGD16_LO 80 ++#define R_PPC64_GOT_TLSGD16_HI 81 ++#define R_PPC64_GOT_TLSGD16_HA 82 ++#define R_PPC64_GOT_TLSLD16 83 ++#define R_PPC64_GOT_TLSLD16_LO 84 ++#define R_PPC64_GOT_TLSLD16_HI 85 ++#define R_PPC64_GOT_TLSLD16_HA 86 ++#define R_PPC64_GOT_TPREL16_DS 87 ++#define R_PPC64_GOT_TPREL16_LO_DS 88 ++#define R_PPC64_GOT_TPREL16_HI 89 ++#define R_PPC64_GOT_TPREL16_HA 90 ++#define R_PPC64_GOT_DTPREL16_DS 91 ++#define R_PPC64_GOT_DTPREL16_LO_DS 92 ++#define R_PPC64_GOT_DTPREL16_HI 93 ++#define R_PPC64_GOT_DTPREL16_HA 94 ++#define R_PPC64_TPREL16_DS 95 ++#define R_PPC64_TPREL16_LO_DS 96 ++#define R_PPC64_TPREL16_HIGHER 97 ++#define R_PPC64_TPREL16_HIGHERA 98 ++#define R_PPC64_TPREL16_HIGHEST 99 ++#define R_PPC64_TPREL16_HIGHESTA 100 ++#define R_PPC64_DTPREL16_DS 101 ++#define R_PPC64_DTPREL16_LO_DS 102 ++#define R_PPC64_DTPREL16_HIGHER 103 ++#define R_PPC64_DTPREL16_HIGHERA 104 ++#define R_PPC64_DTPREL16_HIGHEST 105 ++#define R_PPC64_DTPREL16_HIGHESTA 106 ++ ++ ++#define R_PPC64_JMP_IREL 247 ++#define R_PPC64_IRELATIVE 248 ++#define R_PPC64_REL16 249 ++#define R_PPC64_REL16_LO 250 ++#define R_PPC64_REL16_HI 251 ++#define R_PPC64_REL16_HA 252 ++ ++ ++#define DT_PPC64_GLINK (DT_LOPROC + 0) ++#define DT_PPC64_OPD (DT_LOPROC + 1) ++#define DT_PPC64_OPDSZ (DT_LOPROC + 2) ++#define DT_PPC64_NUM 3 ++ ++ ++ ++ ++ ++#define EF_ARM_RELEXEC 0x01 ++#define EF_ARM_HASENTRY 0x02 ++#define EF_ARM_INTERWORK 0x04 ++#define EF_ARM_APCS_26 0x08 ++#define EF_ARM_APCS_FLOAT 0x10 ++#define EF_ARM_PIC 0x20 ++#define EF_ARM_ALIGN8 0x40 ++#define EF_ARM_NEW_ABI 0x80 ++#define EF_ARM_OLD_ABI 0x100 ++#define EF_ARM_SOFT_FLOAT 0x200 ++#define EF_ARM_VFP_FLOAT 0x400 ++#define EF_ARM_MAVERICK_FLOAT 0x800 ++ ++#define EF_ARM_ABI_FLOAT_SOFT 0x200 ++#define EF_ARM_ABI_FLOAT_HARD 0x400 ++ ++ ++#define EF_ARM_SYMSARESORTED 0x04 ++#define EF_ARM_DYNSYMSUSESEGIDX 0x08 ++#define EF_ARM_MAPSYMSFIRST 0x10 ++#define EF_ARM_EABIMASK 0XFF000000 ++ ++ ++#define EF_ARM_BE8 0x00800000 ++#define EF_ARM_LE8 0x00400000 ++ ++#define EF_ARM_EABI_VERSION(flags) ((flags) & EF_ARM_EABIMASK) ++#define EF_ARM_EABI_UNKNOWN 0x00000000 ++#define EF_ARM_EABI_VER1 0x01000000 ++#define EF_ARM_EABI_VER2 0x02000000 ++#define EF_ARM_EABI_VER3 0x03000000 ++#define EF_ARM_EABI_VER4 0x04000000 ++#define EF_ARM_EABI_VER5 0x05000000 ++ ++ ++#define STT_ARM_TFUNC STT_LOPROC ++#define STT_ARM_16BIT STT_HIPROC ++ ++ ++#define SHF_ARM_ENTRYSECT 0x10000000 ++#define SHF_ARM_COMDEF 0x80000000 ++ ++ ++ ++#define PF_ARM_SB 0x10000000 ++ ++#define PF_ARM_PI 0x20000000 ++#define PF_ARM_ABS 0x40000000 ++ ++ ++#define PT_ARM_EXIDX (PT_LOPROC + 1) ++ ++ ++#define SHT_ARM_EXIDX (SHT_LOPROC + 1) ++#define SHT_ARM_PREEMPTMAP (SHT_LOPROC + 2) ++#define SHT_ARM_ATTRIBUTES (SHT_LOPROC + 3) ++ ++ ++#define R_AARCH64_NONE 0 ++#define R_AARCH64_ABS64 257 ++#define R_AARCH64_ABS32 258 ++#define R_AARCH64_COPY 1024 ++#define R_AARCH64_GLOB_DAT 1025 ++#define R_AARCH64_JUMP_SLOT 1026 ++#define R_AARCH64_RELATIVE 1027 ++#define R_AARCH64_TLS_DTPMOD64 1028 ++#define R_AARCH64_TLS_DTPREL64 1029 ++#define R_AARCH64_TLS_TPREL64 1030 ++#define R_AARCH64_TLSDESC 1031 ++ ++ ++#define R_ARM_NONE 0 ++#define R_ARM_PC24 1 ++#define R_ARM_ABS32 2 ++#define R_ARM_REL32 3 ++#define R_ARM_PC13 4 ++#define R_ARM_ABS16 5 ++#define R_ARM_ABS12 6 ++#define R_ARM_THM_ABS5 7 ++#define R_ARM_ABS8 8 ++#define R_ARM_SBREL32 9 ++#define R_ARM_THM_PC22 10 ++#define R_ARM_THM_PC8 11 ++#define R_ARM_AMP_VCALL9 12 ++#define R_ARM_TLS_DESC 13 ++#define R_ARM_THM_SWI8 14 ++#define R_ARM_XPC25 15 ++#define R_ARM_THM_XPC22 16 ++#define R_ARM_TLS_DTPMOD32 17 ++#define R_ARM_TLS_DTPOFF32 18 ++#define R_ARM_TLS_TPOFF32 19 ++#define R_ARM_COPY 20 ++#define R_ARM_GLOB_DAT 21 ++#define R_ARM_JUMP_SLOT 22 ++#define R_ARM_RELATIVE 23 ++#define R_ARM_GOTOFF 24 ++#define R_ARM_GOTPC 25 ++#define R_ARM_GOT32 26 ++#define R_ARM_PLT32 27 ++#define R_ARM_CALL 28 ++#define R_ARM_JUMP24 29 ++#define R_ARM_THM_JUMP24 30 ++#define R_ARM_BASE_ABS 31 ++#define R_ARM_ALU_PCREL_7_0 32 ++#define R_ARM_ALU_PCREL_15_8 33 ++#define R_ARM_ALU_PCREL_23_15 34 ++#define R_ARM_LDR_SBREL_11_0 35 ++#define R_ARM_ALU_SBREL_19_12 36 ++#define R_ARM_ALU_SBREL_27_20 37 ++#define R_ARM_TARGET1 38 ++#define R_ARM_SBREL31 39 ++#define R_ARM_V4BX 40 ++#define R_ARM_TARGET2 41 ++#define R_ARM_PREL31 42 ++#define R_ARM_MOVW_ABS_NC 43 ++#define R_ARM_MOVT_ABS 44 ++#define R_ARM_MOVW_PREL_NC 45 ++#define R_ARM_MOVT_PREL 46 ++#define R_ARM_THM_MOVW_ABS_NC 47 ++#define R_ARM_THM_MOVT_ABS 48 ++#define R_ARM_THM_MOVW_PREL_NC 49 ++#define R_ARM_THM_MOVT_PREL 50 ++#define R_ARM_THM_JUMP19 51 ++#define R_ARM_THM_JUMP6 52 ++#define R_ARM_THM_ALU_PREL_11_0 53 ++#define R_ARM_THM_PC12 54 ++#define R_ARM_ABS32_NOI 55 ++#define R_ARM_REL32_NOI 56 ++#define R_ARM_ALU_PC_G0_NC 57 ++#define R_ARM_ALU_PC_G0 58 ++#define R_ARM_ALU_PC_G1_NC 59 ++#define R_ARM_ALU_PC_G1 60 ++#define R_ARM_ALU_PC_G2 61 ++#define R_ARM_LDR_PC_G1 62 ++#define R_ARM_LDR_PC_G2 63 ++#define R_ARM_LDRS_PC_G0 64 ++#define R_ARM_LDRS_PC_G1 65 ++#define R_ARM_LDRS_PC_G2 66 ++#define R_ARM_LDC_PC_G0 67 ++#define R_ARM_LDC_PC_G1 68 ++#define R_ARM_LDC_PC_G2 69 ++#define R_ARM_ALU_SB_G0_NC 70 ++#define R_ARM_ALU_SB_G0 71 ++#define R_ARM_ALU_SB_G1_NC 72 ++#define R_ARM_ALU_SB_G1 73 ++#define R_ARM_ALU_SB_G2 74 ++#define R_ARM_LDR_SB_G0 75 ++#define R_ARM_LDR_SB_G1 76 ++#define R_ARM_LDR_SB_G2 77 ++#define R_ARM_LDRS_SB_G0 78 ++#define R_ARM_LDRS_SB_G1 79 ++#define R_ARM_LDRS_SB_G2 80 ++#define R_ARM_LDC_SB_G0 81 ++#define R_ARM_LDC_SB_G1 82 ++#define R_ARM_LDC_SB_G2 83 ++#define R_ARM_MOVW_BREL_NC 84 ++#define R_ARM_MOVT_BREL 85 ++#define R_ARM_MOVW_BREL 86 ++#define R_ARM_THM_MOVW_BREL_NC 87 ++#define R_ARM_THM_MOVT_BREL 88 ++#define R_ARM_THM_MOVW_BREL 89 ++#define R_ARM_TLS_GOTDESC 90 ++#define R_ARM_TLS_CALL 91 ++#define R_ARM_TLS_DESCSEQ 92 ++#define R_ARM_THM_TLS_CALL 93 ++#define R_ARM_PLT32_ABS 94 ++#define R_ARM_GOT_ABS 95 ++#define R_ARM_GOT_PREL 96 ++#define R_ARM_GOT_BREL12 97 ++#define R_ARM_GOTOFF12 98 ++#define R_ARM_GOTRELAX 99 ++#define R_ARM_GNU_VTENTRY 100 ++#define R_ARM_GNU_VTINHERIT 101 ++#define R_ARM_THM_PC11 102 ++#define R_ARM_THM_PC9 103 ++#define R_ARM_TLS_GD32 104 ++ ++#define R_ARM_TLS_LDM32 105 ++ ++#define R_ARM_TLS_LDO32 106 ++ ++#define R_ARM_TLS_IE32 107 ++ ++#define R_ARM_TLS_LE32 108 ++#define R_ARM_TLS_LDO12 109 ++#define R_ARM_TLS_LE12 110 ++#define R_ARM_TLS_IE12GP 111 ++#define R_ARM_ME_TOO 128 ++#define R_ARM_THM_TLS_DESCSEQ 129 ++#define R_ARM_THM_TLS_DESCSEQ16 129 ++#define R_ARM_THM_TLS_DESCSEQ32 130 ++#define R_ARM_THM_GOT_BREL12 131 ++#define R_ARM_IRELATIVE 160 ++#define R_ARM_RXPC25 249 ++#define R_ARM_RSBREL32 250 ++#define R_ARM_THM_RPC22 251 ++#define R_ARM_RREL32 252 ++#define R_ARM_RABS22 253 ++#define R_ARM_RPC24 254 ++#define R_ARM_RBASE 255 ++ ++#define R_ARM_NUM 256 ++ ++ ++ ++ ++#define EF_IA_64_MASKOS 0x0000000f ++#define EF_IA_64_ABI64 0x00000010 ++#define EF_IA_64_ARCH 0xff000000 ++ ++ ++#define PT_IA_64_ARCHEXT (PT_LOPROC + 0) ++#define PT_IA_64_UNWIND (PT_LOPROC + 1) ++#define PT_IA_64_HP_OPT_ANOT (PT_LOOS + 0x12) ++#define PT_IA_64_HP_HSL_ANOT (PT_LOOS + 0x13) ++#define PT_IA_64_HP_STACK (PT_LOOS + 0x14) ++ ++ ++#define PF_IA_64_NORECOV 0x80000000 ++ ++ ++#define SHT_IA_64_EXT (SHT_LOPROC + 0) ++#define SHT_IA_64_UNWIND (SHT_LOPROC + 1) ++ ++ ++#define SHF_IA_64_SHORT 0x10000000 ++#define SHF_IA_64_NORECOV 0x20000000 ++ ++ ++#define DT_IA_64_PLT_RESERVE (DT_LOPROC + 0) ++#define DT_IA_64_NUM 1 ++ ++ ++#define R_IA64_NONE 0x00 ++#define R_IA64_IMM14 0x21 ++#define R_IA64_IMM22 0x22 ++#define R_IA64_IMM64 0x23 ++#define R_IA64_DIR32MSB 0x24 ++#define R_IA64_DIR32LSB 0x25 ++#define R_IA64_DIR64MSB 0x26 ++#define R_IA64_DIR64LSB 0x27 ++#define R_IA64_GPREL22 0x2a ++#define R_IA64_GPREL64I 0x2b ++#define R_IA64_GPREL32MSB 0x2c ++#define R_IA64_GPREL32LSB 0x2d ++#define R_IA64_GPREL64MSB 0x2e ++#define R_IA64_GPREL64LSB 0x2f ++#define R_IA64_LTOFF22 0x32 ++#define R_IA64_LTOFF64I 0x33 ++#define R_IA64_PLTOFF22 0x3a ++#define R_IA64_PLTOFF64I 0x3b ++#define R_IA64_PLTOFF64MSB 0x3e ++#define R_IA64_PLTOFF64LSB 0x3f ++#define R_IA64_FPTR64I 0x43 ++#define R_IA64_FPTR32MSB 0x44 ++#define R_IA64_FPTR32LSB 0x45 ++#define R_IA64_FPTR64MSB 0x46 ++#define R_IA64_FPTR64LSB 0x47 ++#define R_IA64_PCREL60B 0x48 ++#define R_IA64_PCREL21B 0x49 ++#define R_IA64_PCREL21M 0x4a ++#define R_IA64_PCREL21F 0x4b ++#define R_IA64_PCREL32MSB 0x4c ++#define R_IA64_PCREL32LSB 0x4d ++#define R_IA64_PCREL64MSB 0x4e ++#define R_IA64_PCREL64LSB 0x4f ++#define R_IA64_LTOFF_FPTR22 0x52 ++#define R_IA64_LTOFF_FPTR64I 0x53 ++#define R_IA64_LTOFF_FPTR32MSB 0x54 ++#define R_IA64_LTOFF_FPTR32LSB 0x55 ++#define R_IA64_LTOFF_FPTR64MSB 0x56 ++#define R_IA64_LTOFF_FPTR64LSB 0x57 ++#define R_IA64_SEGREL32MSB 0x5c ++#define R_IA64_SEGREL32LSB 0x5d ++#define R_IA64_SEGREL64MSB 0x5e ++#define R_IA64_SEGREL64LSB 0x5f ++#define R_IA64_SECREL32MSB 0x64 ++#define R_IA64_SECREL32LSB 0x65 ++#define R_IA64_SECREL64MSB 0x66 ++#define R_IA64_SECREL64LSB 0x67 ++#define R_IA64_REL32MSB 0x6c ++#define R_IA64_REL32LSB 0x6d ++#define R_IA64_REL64MSB 0x6e ++#define R_IA64_REL64LSB 0x6f ++#define R_IA64_LTV32MSB 0x74 ++#define R_IA64_LTV32LSB 0x75 ++#define R_IA64_LTV64MSB 0x76 ++#define R_IA64_LTV64LSB 0x77 ++#define R_IA64_PCREL21BI 0x79 ++#define R_IA64_PCREL22 0x7a ++#define R_IA64_PCREL64I 0x7b ++#define R_IA64_IPLTMSB 0x80 ++#define R_IA64_IPLTLSB 0x81 ++#define R_IA64_COPY 0x84 ++#define R_IA64_SUB 0x85 ++#define R_IA64_LTOFF22X 0x86 ++#define R_IA64_LDXMOV 0x87 ++#define R_IA64_TPREL14 0x91 ++#define R_IA64_TPREL22 0x92 ++#define R_IA64_TPREL64I 0x93 ++#define R_IA64_TPREL64MSB 0x96 ++#define R_IA64_TPREL64LSB 0x97 ++#define R_IA64_LTOFF_TPREL22 0x9a ++#define R_IA64_DTPMOD64MSB 0xa6 ++#define R_IA64_DTPMOD64LSB 0xa7 ++#define R_IA64_LTOFF_DTPMOD22 0xaa ++#define R_IA64_DTPREL14 0xb1 ++#define R_IA64_DTPREL22 0xb2 ++#define R_IA64_DTPREL64I 0xb3 ++#define R_IA64_DTPREL32MSB 0xb4 ++#define R_IA64_DTPREL32LSB 0xb5 ++#define R_IA64_DTPREL64MSB 0xb6 ++#define R_IA64_DTPREL64LSB 0xb7 ++#define R_IA64_LTOFF_DTPREL22 0xba ++ ++ ++ ++ ++#define R_SH_NONE 0 ++#define R_SH_DIR32 1 ++#define R_SH_REL32 2 ++#define R_SH_DIR8WPN 3 ++#define R_SH_IND12W 4 ++#define R_SH_DIR8WPL 5 ++#define R_SH_DIR8WPZ 6 ++#define R_SH_DIR8BP 7 ++#define R_SH_DIR8W 8 ++#define R_SH_DIR8L 9 ++#define R_SH_SWITCH16 25 ++#define R_SH_SWITCH32 26 ++#define R_SH_USES 27 ++#define R_SH_COUNT 28 ++#define R_SH_ALIGN 29 ++#define R_SH_CODE 30 ++#define R_SH_DATA 31 ++#define R_SH_LABEL 32 ++#define R_SH_SWITCH8 33 ++#define R_SH_GNU_VTINHERIT 34 ++#define R_SH_GNU_VTENTRY 35 ++#define R_SH_TLS_GD_32 144 ++#define R_SH_TLS_LD_32 145 ++#define R_SH_TLS_LDO_32 146 ++#define R_SH_TLS_IE_32 147 ++#define R_SH_TLS_LE_32 148 ++#define R_SH_TLS_DTPMOD32 149 ++#define R_SH_TLS_DTPOFF32 150 ++#define R_SH_TLS_TPOFF32 151 ++#define R_SH_GOT32 160 ++#define R_SH_PLT32 161 ++#define R_SH_COPY 162 ++#define R_SH_GLOB_DAT 163 ++#define R_SH_JMP_SLOT 164 ++#define R_SH_RELATIVE 165 ++#define R_SH_GOTOFF 166 ++#define R_SH_GOTPC 167 ++ ++#define R_SH_NUM 256 ++ ++ ++ ++#define R_390_NONE 0 ++#define R_390_8 1 ++#define R_390_12 2 ++#define R_390_16 3 ++#define R_390_32 4 ++#define R_390_PC32 5 ++#define R_390_GOT12 6 ++#define R_390_GOT32 7 ++#define R_390_PLT32 8 ++#define R_390_COPY 9 ++#define R_390_GLOB_DAT 10 ++#define R_390_JMP_SLOT 11 ++#define R_390_RELATIVE 12 ++#define R_390_GOTOFF32 13 ++#define R_390_GOTPC 14 ++#define R_390_GOT16 15 ++#define R_390_PC16 16 ++#define R_390_PC16DBL 17 ++#define R_390_PLT16DBL 18 ++#define R_390_PC32DBL 19 ++#define R_390_PLT32DBL 20 ++#define R_390_GOTPCDBL 21 ++#define R_390_64 22 ++#define R_390_PC64 23 ++#define R_390_GOT64 24 ++#define R_390_PLT64 25 ++#define R_390_GOTENT 26 ++#define R_390_GOTOFF16 27 ++#define R_390_GOTOFF64 28 ++#define R_390_GOTPLT12 29 ++#define R_390_GOTPLT16 30 ++#define R_390_GOTPLT32 31 ++#define R_390_GOTPLT64 32 ++#define R_390_GOTPLTENT 33 ++#define R_390_PLTOFF16 34 ++#define R_390_PLTOFF32 35 ++#define R_390_PLTOFF64 36 ++#define R_390_TLS_LOAD 37 ++#define R_390_TLS_GDCALL 38 ++ ++#define R_390_TLS_LDCALL 39 ++ ++#define R_390_TLS_GD32 40 ++ ++#define R_390_TLS_GD64 41 ++ ++#define R_390_TLS_GOTIE12 42 ++ ++#define R_390_TLS_GOTIE32 43 ++ ++#define R_390_TLS_GOTIE64 44 ++ ++#define R_390_TLS_LDM32 45 ++ ++#define R_390_TLS_LDM64 46 ++ ++#define R_390_TLS_IE32 47 ++ ++#define R_390_TLS_IE64 48 ++ ++#define R_390_TLS_IEENT 49 ++ ++#define R_390_TLS_LE32 50 ++ ++#define R_390_TLS_LE64 51 ++ ++#define R_390_TLS_LDO32 52 ++ ++#define R_390_TLS_LDO64 53 ++ ++#define R_390_TLS_DTPMOD 54 ++#define R_390_TLS_DTPOFF 55 ++#define R_390_TLS_TPOFF 56 ++ ++#define R_390_20 57 ++#define R_390_GOT20 58 ++#define R_390_GOTPLT20 59 ++#define R_390_TLS_GOTIE20 60 ++ ++ ++#define R_390_NUM 61 ++ ++ ++ ++#define R_CRIS_NONE 0 ++#define R_CRIS_8 1 ++#define R_CRIS_16 2 ++#define R_CRIS_32 3 ++#define R_CRIS_8_PCREL 4 ++#define R_CRIS_16_PCREL 5 ++#define R_CRIS_32_PCREL 6 ++#define R_CRIS_GNU_VTINHERIT 7 ++#define R_CRIS_GNU_VTENTRY 8 ++#define R_CRIS_COPY 9 ++#define R_CRIS_GLOB_DAT 10 ++#define R_CRIS_JUMP_SLOT 11 ++#define R_CRIS_RELATIVE 12 ++#define R_CRIS_16_GOT 13 ++#define R_CRIS_32_GOT 14 ++#define R_CRIS_16_GOTPLT 15 ++#define R_CRIS_32_GOTPLT 16 ++#define R_CRIS_32_GOTREL 17 ++#define R_CRIS_32_PLT_GOTREL 18 ++#define R_CRIS_32_PLT_PCREL 19 ++ ++#define R_CRIS_NUM 20 ++ ++ ++ ++#define R_X86_64_NONE 0 ++#define R_X86_64_64 1 ++#define R_X86_64_PC32 2 ++#define R_X86_64_GOT32 3 ++#define R_X86_64_PLT32 4 ++#define R_X86_64_COPY 5 ++#define R_X86_64_GLOB_DAT 6 ++#define R_X86_64_JUMP_SLOT 7 ++#define R_X86_64_RELATIVE 8 ++#define R_X86_64_GOTPCREL 9 ++ ++#define R_X86_64_32 10 ++#define R_X86_64_32S 11 ++#define R_X86_64_16 12 ++#define R_X86_64_PC16 13 ++#define R_X86_64_8 14 ++#define R_X86_64_PC8 15 ++#define R_X86_64_DTPMOD64 16 ++#define R_X86_64_DTPOFF64 17 ++#define R_X86_64_TPOFF64 18 ++#define R_X86_64_TLSGD 19 ++ ++#define R_X86_64_TLSLD 20 ++ ++#define R_X86_64_DTPOFF32 21 ++#define R_X86_64_GOTTPOFF 22 ++ ++#define R_X86_64_TPOFF32 23 ++#define R_X86_64_PC64 24 ++#define R_X86_64_GOTOFF64 25 ++#define R_X86_64_GOTPC32 26 ++#define R_X86_64_GOT64 27 ++#define R_X86_64_GOTPCREL64 28 ++#define R_X86_64_GOTPC64 29 ++#define R_X86_64_GOTPLT64 30 ++#define R_X86_64_PLTOFF64 31 ++#define R_X86_64_SIZE32 32 ++#define R_X86_64_SIZE64 33 ++ ++#define R_X86_64_GOTPC32_TLSDESC 34 ++#define R_X86_64_TLSDESC_CALL 35 ++ ++#define R_X86_64_TLSDESC 36 ++#define R_X86_64_IRELATIVE 37 ++#define R_X86_64_RELATIVE64 38 ++#define R_X86_64_NUM 39 ++ ++ ++ ++#define R_MN10300_NONE 0 ++#define R_MN10300_32 1 ++#define R_MN10300_16 2 ++#define R_MN10300_8 3 ++#define R_MN10300_PCREL32 4 ++#define R_MN10300_PCREL16 5 ++#define R_MN10300_PCREL8 6 ++#define R_MN10300_GNU_VTINHERIT 7 ++#define R_MN10300_GNU_VTENTRY 8 ++#define R_MN10300_24 9 ++#define R_MN10300_GOTPC32 10 ++#define R_MN10300_GOTPC16 11 ++#define R_MN10300_GOTOFF32 12 ++#define R_MN10300_GOTOFF24 13 ++#define R_MN10300_GOTOFF16 14 ++#define R_MN10300_PLT32 15 ++#define R_MN10300_PLT16 16 ++#define R_MN10300_GOT32 17 ++#define R_MN10300_GOT24 18 ++#define R_MN10300_GOT16 19 ++#define R_MN10300_COPY 20 ++#define R_MN10300_GLOB_DAT 21 ++#define R_MN10300_JMP_SLOT 22 ++#define R_MN10300_RELATIVE 23 ++ ++#define R_MN10300_NUM 24 ++ ++ ++ ++#define R_M32R_NONE 0 ++#define R_M32R_16 1 ++#define R_M32R_32 2 ++#define R_M32R_24 3 ++#define R_M32R_10_PCREL 4 ++#define R_M32R_18_PCREL 5 ++#define R_M32R_26_PCREL 6 ++#define R_M32R_HI16_ULO 7 ++#define R_M32R_HI16_SLO 8 ++#define R_M32R_LO16 9 ++#define R_M32R_SDA16 10 ++#define R_M32R_GNU_VTINHERIT 11 ++#define R_M32R_GNU_VTENTRY 12 ++ ++#define R_M32R_16_RELA 33 ++#define R_M32R_32_RELA 34 ++#define R_M32R_24_RELA 35 ++#define R_M32R_10_PCREL_RELA 36 ++#define R_M32R_18_PCREL_RELA 37 ++#define R_M32R_26_PCREL_RELA 38 ++#define R_M32R_HI16_ULO_RELA 39 ++#define R_M32R_HI16_SLO_RELA 40 ++#define R_M32R_LO16_RELA 41 ++#define R_M32R_SDA16_RELA 42 ++#define R_M32R_RELA_GNU_VTINHERIT 43 ++#define R_M32R_RELA_GNU_VTENTRY 44 ++#define R_M32R_REL32 45 ++ ++#define R_M32R_GOT24 48 ++#define R_M32R_26_PLTREL 49 ++#define R_M32R_COPY 50 ++#define R_M32R_GLOB_DAT 51 ++#define R_M32R_JMP_SLOT 52 ++#define R_M32R_RELATIVE 53 ++#define R_M32R_GOTOFF 54 ++#define R_M32R_GOTPC24 55 ++#define R_M32R_GOT16_HI_ULO 56 ++ ++#define R_M32R_GOT16_HI_SLO 57 ++ ++#define R_M32R_GOT16_LO 58 ++#define R_M32R_GOTPC_HI_ULO 59 ++ ++#define R_M32R_GOTPC_HI_SLO 60 ++ ++#define R_M32R_GOTPC_LO 61 ++ ++#define R_M32R_GOTOFF_HI_ULO 62 ++ ++#define R_M32R_GOTOFF_HI_SLO 63 ++ ++#define R_M32R_GOTOFF_LO 64 ++#define R_M32R_NUM 256 ++ ++#define R_MICROBLAZE_NONE 0 ++#define R_MICROBLAZE_32 1 ++#define R_MICROBLAZE_32_PCREL 2 ++#define R_MICROBLAZE_64_PCREL 3 ++#define R_MICROBLAZE_32_PCREL_LO 4 ++#define R_MICROBLAZE_64 5 ++#define R_MICROBLAZE_32_LO 6 ++#define R_MICROBLAZE_SRO32 7 ++#define R_MICROBLAZE_SRW32 8 ++#define R_MICROBLAZE_64_NONE 9 ++#define R_MICROBLAZE_32_SYM_OP_SYM 10 ++#define R_MICROBLAZE_GNU_VTINHERIT 11 ++#define R_MICROBLAZE_GNU_VTENTRY 12 ++#define R_MICROBLAZE_GOTPC_64 13 ++#define R_MICROBLAZE_GOT_64 14 ++#define R_MICROBLAZE_PLT_64 15 ++#define R_MICROBLAZE_REL 16 ++#define R_MICROBLAZE_JUMP_SLOT 17 ++#define R_MICROBLAZE_GLOB_DAT 18 ++#define R_MICROBLAZE_GOTOFF_64 19 ++#define R_MICROBLAZE_GOTOFF_32 20 ++#define R_MICROBLAZE_COPY 21 ++#define R_MICROBLAZE_TLS 22 ++#define R_MICROBLAZE_TLSGD 23 ++#define R_MICROBLAZE_TLSLD 24 ++#define R_MICROBLAZE_TLSDTPMOD32 25 ++#define R_MICROBLAZE_TLSDTPREL32 26 ++#define R_MICROBLAZE_TLSDTPREL64 27 ++#define R_MICROBLAZE_TLSGOTTPREL32 28 ++#define R_MICROBLAZE_TLSTPREL32 29 ++ ++#ifdef __cplusplus ++} ++#endif ++ ++ ++#endif diff --git a/target/linux/patches/3.15-rc7/sgidefs.patch b/target/linux/patches/3.15-rc7/sgidefs.patch new file mode 100644 index 000000000..f00a284d9 --- /dev/null +++ b/target/linux/patches/3.15-rc7/sgidefs.patch @@ -0,0 +1,18 @@ +diff -Nur linux-3.11.5.orig/arch/mips/include/uapi/asm/sgidefs.h linux-3.11.5/arch/mips/include/uapi/asm/sgidefs.h +--- linux-3.11.5.orig/arch/mips/include/uapi/asm/sgidefs.h 2013-10-14 03:14:45.000000000 +0200 ++++ linux-3.11.5/arch/mips/include/uapi/asm/sgidefs.h 2013-11-08 22:01:28.000000000 +0100 +@@ -11,14 +11,6 @@ + #define __ASM_SGIDEFS_H + + /* +- * Using a Linux compiler for building Linux seems logic but not to +- * everybody. +- */ +-#ifndef __linux__ +-#error Use a Linux compiler or give up. +-#endif +- +-/* + * Definitions for the ISA levels + * + * With the introduction of MIPS32 / MIPS64 instruction sets definitions diff --git a/target/linux/patches/3.15-rc7/sortext.patch b/target/linux/patches/3.15-rc7/sortext.patch new file mode 100644 index 000000000..8fd4e1d6b --- /dev/null +++ b/target/linux/patches/3.15-rc7/sortext.patch @@ -0,0 +1,33 @@ +diff -Nur linux-3.12.6.orig/arch/arm/Kconfig linux-3.12.6/arch/arm/Kconfig +--- linux-3.12.6.orig/arch/arm/Kconfig 2013-12-20 16:51:33.000000000 +0100 ++++ linux-3.12.6/arch/arm/Kconfig 2013-12-28 19:29:33.000000000 +0100 +@@ -6,7 +6,6 @@ + select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST + select ARCH_HAVE_CUSTOM_GPIO_H + select ARCH_WANT_IPC_PARSE_VERSION +- select BUILDTIME_EXTABLE_SORT if MMU + select CLONE_BACKWARDS + select CPU_PM if (SUSPEND || CPU_IDLE) + select DCACHE_WORD_ACCESS if (CPU_V6 || CPU_V6K || CPU_V7) && !CPU_BIG_ENDIAN && MMU +diff -Nur linux-3.12.6.orig/arch/mips/Kconfig linux-3.12.6/arch/mips/Kconfig +--- linux-3.12.6.orig/arch/mips/Kconfig 2013-12-20 16:51:33.000000000 +0100 ++++ linux-3.12.6/arch/mips/Kconfig 2013-12-28 19:30:06.000000000 +0100 +@@ -35,7 +35,6 @@ + select HAVE_MEMBLOCK_NODE_MAP + select ARCH_DISCARD_MEMBLOCK + select GENERIC_SMP_IDLE_THREAD +- select BUILDTIME_EXTABLE_SORT + select GENERIC_CLOCKEVENTS + select GENERIC_CMOS_UPDATE + select HAVE_MOD_ARCH_SPECIFIC +diff -Nur linux-3.12.6.orig/arch/x86/Kconfig linux-3.12.6/arch/x86/Kconfig +--- linux-3.12.6.orig/arch/x86/Kconfig 2013-12-20 16:51:33.000000000 +0100 ++++ linux-3.12.6/arch/x86/Kconfig 2013-12-28 19:29:50.000000000 +0100 +@@ -100,7 +100,6 @@ + select GENERIC_SMP_IDLE_THREAD + select ARCH_WANT_IPC_PARSE_VERSION if X86_32 + select HAVE_ARCH_SECCOMP_FILTER +- select BUILDTIME_EXTABLE_SORT + select GENERIC_CMOS_UPDATE + select HAVE_ARCH_SOFT_DIRTY + select CLOCKSOURCE_WATCHDOG diff --git a/target/linux/patches/3.15-rc7/startup.patch b/target/linux/patches/3.15-rc7/startup.patch new file mode 100644 index 000000000..d396b75e4 --- /dev/null +++ b/target/linux/patches/3.15-rc7/startup.patch @@ -0,0 +1,37 @@ +diff -Nur linux-3.13.3.orig/init/main.c linux-3.13.3/init/main.c +--- linux-3.13.3.orig/init/main.c 2014-02-13 23:00:14.000000000 +0100 ++++ linux-3.13.3/init/main.c 2014-02-17 11:35:14.000000000 +0100 +@@ -916,6 +917,8 @@ + if (sys_open((const char __user *) "/dev/console", O_RDWR, 0) < 0) + pr_err("Warning: unable to open an initial console.\n"); + ++ printk(KERN_WARNING "Starting Linux (built with OpenADK).\n"); ++ + (void) sys_dup(0); + (void) sys_dup(0); + /* +diff -Nur linux-3.13.6.orig/init/initramfs.c linux-3.13.6/init/initramfs.c +--- linux-3.13.6.orig/init/initramfs.c 2014-03-07 07:07:02.000000000 +0100 ++++ linux-3.13.6/init/initramfs.c 2014-03-15 12:11:31.882731916 +0100 +@@ -622,6 +622,9 @@ + */ + load_default_modules(); + } ++#ifdef CONFIG_DEVTMPFS_MOUNT ++ devtmpfs_mount("dev"); ++#endif + return 0; + } + rootfs_initcall(populate_rootfs); +diff -Nur linux-3.13.6.orig/init/main.c linux-3.13.6/init/main.c +--- linux-3.13.6.orig/init/main.c 2014-03-07 07:07:02.000000000 +0100 ++++ linux-3.13.6/init/main.c 2014-03-15 12:13:16.459024452 +0100 +@@ -924,7 +924,7 @@ + */ + + if (!ramdisk_execute_command) +- ramdisk_execute_command = "/init"; ++ ramdisk_execute_command = "/sbin/init"; + + if (sys_access((const char __user *) ramdisk_execute_command, 0) != 0) { + ramdisk_execute_command = NULL; diff --git a/target/linux/patches/3.15-rc7/uuid.patch b/target/linux/patches/3.15-rc7/uuid.patch new file mode 100644 index 000000000..e8d523074 --- /dev/null +++ b/target/linux/patches/3.15-rc7/uuid.patch @@ -0,0 +1,263 @@ +diff -Nur linux-3.14.1.orig/block/genhd.c linux-3.14.1/block/genhd.c +--- linux-3.14.1.orig/block/genhd.c 2014-04-14 15:50:10.000000000 +0200 ++++ linux-3.14.1/block/genhd.c 2014-04-24 09:50:05.281309701 +0200 +@@ -34,7 +34,7 @@ + static DEFINE_MUTEX(ext_devt_mutex); + static DEFINE_IDR(ext_devt_idr); + +-static struct device_type disk_type; ++struct device_type disk_type; + + static void disk_check_events(struct disk_events *ev, + unsigned int *clearing_ptr); +@@ -1121,7 +1121,7 @@ + return NULL; + } + +-static struct device_type disk_type = { ++struct device_type disk_type = { + .name = "disk", + .groups = disk_attr_groups, + .release = disk_release, +diff -Nur linux-3.14.1.orig/init/do_mounts.c linux-3.14.1/init/do_mounts.c +--- linux-3.14.1.orig/init/do_mounts.c 2014-04-14 15:50:10.000000000 +0200 ++++ linux-3.14.1/init/do_mounts.c 2014-04-24 10:17:54.043200973 +0200 +@@ -33,6 +33,7 @@ + #include + #include + ++#include "../fs/ext2/ext2.h" + #include "do_mounts.h" + + int __initdata rd_doload; /* 1 = load RAM disk, 0 = don't load */ +@@ -44,6 +45,132 @@ + + dev_t ROOT_DEV; + ++#ifdef CONFIG_EXT2_FS ++/* support for root=UUID=ce40d6b2-18eb-4a75-aefe-7ddb0995ce63 bootargs */ ++ ++#include ++ ++__u8 root_dev_uuid[16]; ++int root_dev_type; /* 0 = normal (/dev/hda1, 0301); 1 = UUID; 3 = bad */ ++ ++/* imported from block/genhd.c after removing its static qualifier */ ++extern struct device_type disk_type; ++ ++/* helper function */ ++static __u8 __init fromhex(char c) ++{ ++ if (c >= '0' && c <= '9') ++ return (c - '0'); ++ c &= ~32; ++ if (c >= 'A' && c <= 'F') ++ return (c - 'A' + 10); ++ return (0xFF); ++} ++ ++static void __init parse_uuid(const char *s) ++{ ++ int i; ++ __u8 j, k; ++ ++ if (strlen(s) != 36 || s[8] != '-' || s[13] != '-' || ++ s[18] != '-' || s[23] != '-') ++ goto bad_uuid; ++ for (i = 0; i < 16; i++) { ++ if (*s == '-') ++ ++s; ++ j = fromhex(*s++); ++ k = fromhex(*s++); ++ if (j == 0xFF || k == 0xFF) ++ goto bad_uuid; ++ root_dev_uuid[i] = (j << 4) | k; ++ } ++ return; ++ bad_uuid: ++ /* we cannot panic here, defer */ ++ root_dev_type = 3; ++} ++ ++/* from drivers/md/md.c */ ++static void __init initcode_bi_complete(struct bio *bio, int error) ++{ ++ complete((struct completion*)bio->bi_private); ++} ++ ++static int __init initcode_sync_page_read(struct block_device *bdev, ++ sector_t sector, int size, struct page *page) ++{ ++ struct bio *bio = bio_alloc(GFP_NOIO, 1); ++ struct completion event; ++ int ret, rw = READ; ++ ++ rw |= REQ_SYNC; ++ ++ bio->bi_bdev = bdev; ++ bio->bi_iter.bi_sector = sector; ++ bio_add_page(bio, page, size, 0); ++ init_completion(&event); ++ bio->bi_private = &event; ++ bio->bi_end_io = initcode_bi_complete; ++ submit_bio(rw, bio); ++ wait_for_completion(&event); ++ ++ ret = test_bit(BIO_UPTODATE, &bio->bi_flags); ++ bio_put(bio); ++ /* 0 = failure */ ++ return ret; ++} ++ ++/* most of this taken from fs/ext2/super.c */ ++static int __init check_dev(struct gendisk *thedisk, dev_t devt, ++ int blocksize, struct page *page) ++{ ++ struct ext2_super_block * es; ++ struct block_device *bdev; ++ unsigned long sb_block = 1; ++ unsigned long logic_sb_block; ++ unsigned long offset = 0; ++ int rv = /* not found */ 0; ++ char bff[22]; ++ ++ bdev = bdget(devt); ++ if (blkdev_get(bdev, FMODE_READ, NULL)) { ++ printk(KERN_ERR "VFS: opening block device %s failed!\n", ++ format_dev_t(bff, devt)); ++ return (0); ++ } ++ ++ if (blocksize != BLOCK_SIZE) { ++ logic_sb_block = (sb_block*BLOCK_SIZE) / blocksize; ++ offset = (sb_block*BLOCK_SIZE) % blocksize; ++ } else { ++ logic_sb_block = sb_block; ++ } ++ ++// printk(KERN_ERR "D: attempting to read %d @%lu from " ++// "bdev %p devt %08X %s\n", blocksize, logic_sb_block, ++// bdev, devt, format_dev_t(bff, devt)); ++ if (!initcode_sync_page_read(bdev, logic_sb_block, blocksize, page)) { ++// printk(KERN_ERR "D: failed!\n"); ++ goto out; ++ } ++ es = (struct ext2_super_block *)(((char *)page_address(page)) + offset); ++ if (le16_to_cpu(es->s_magic) == EXT2_SUPER_MAGIC) { ++// printk(KERN_ERR "D: has uuid " ++// "%02X%02X%02X%02X-%02X%02X-%02X%02X-%02X%02X-%02X%02X%02X%02X%02X%02X\n", ++// es->s_uuid[0], es->s_uuid[1], es->s_uuid[2], es->s_uuid[3], ++// es->s_uuid[4], es->s_uuid[5], es->s_uuid[6], es->s_uuid[7], ++// es->s_uuid[8], es->s_uuid[9], es->s_uuid[10], es->s_uuid[11], ++// es->s_uuid[12], es->s_uuid[13], es->s_uuid[14], es->s_uuid[15]); ++ if (!memcmp(es->s_uuid, root_dev_uuid, 16)) ++ rv = /* found */ 1; ++ } ++// else printk(KERN_ERR "D: bad ext2fs magic\n"); ++ out: ++ blkdev_put(bdev, FMODE_READ); ++ return (rv); ++} ++#endif /* CONFIG_EXT2_FS for UUID support */ ++ + static int __init load_ramdisk(char *str) + { + rd_doload = simple_strtol(str,NULL,0) & 3; +@@ -289,6 +416,13 @@ + static int __init root_dev_setup(char *line) + { + strlcpy(saved_root_name, line, sizeof(saved_root_name)); ++#ifdef CONFIG_EXT2_FS ++ root_dev_type = 0; ++ if (!strncmp(line, "UUID=", 5)) { ++ root_dev_type = 1; ++ parse_uuid(line + 5); ++ } ++#endif /* CONFIG_EXT2_FS for UUID support */ + return 1; + } + +@@ -505,6 +639,83 @@ + + void __init mount_root(void) + { ++#ifdef CONFIG_EXT2_FS ++ /* UUID support */ ++// printk_all_partitions(); ++ if (root_dev_type == 1) { ++ int blocksize; ++ ++ /* from block/genhd.c printk_all_partitions */ ++ struct class_dev_iter iter; ++ struct device *dev; ++ ++ /* from drivers/md/md.c */ ++ struct page *sb_page; ++ ++ if (!(sb_page = alloc_page(GFP_KERNEL))) { ++ printk(KERN_ERR "VFS: no memory for bio page\n"); ++ goto nomemforbio; ++ } ++ ++// printk(KERN_ERR "D: root is: " ++// "%02X%02X%02X%02X-%02X%02X-%02X%02X-%02X%02X-%02X%02X%02X%02X%02X%02X\n", ++// root_dev_uuid[0], root_dev_uuid[1], root_dev_uuid[2], root_dev_uuid[3], ++// root_dev_uuid[4], root_dev_uuid[5], root_dev_uuid[6], root_dev_uuid[7], ++// root_dev_uuid[8], root_dev_uuid[9], root_dev_uuid[10], root_dev_uuid[11], ++// root_dev_uuid[12], root_dev_uuid[13], root_dev_uuid[14], root_dev_uuid[15]); ++ /* from block/genhd.c printk_all_partitions */ ++// printk(KERN_ERR "D: begin iter\n"); ++ class_dev_iter_init(&iter, &block_class, NULL, &disk_type); ++ while (root_dev_type && (dev = class_dev_iter_next(&iter))) { ++// char bff[22]; ++ struct gendisk *disk = dev_to_disk(dev); ++ struct disk_part_iter piter; ++ struct hd_struct *part; ++ if (get_capacity(disk) == 0 || ++ (disk->flags & GENHD_FL_SUPPRESS_PARTITION_INFO)) { ++// printk(KERN_ERR "D: ignoring\n"); ++ continue; ++ } ++ blocksize = queue_logical_block_size(disk->queue); ++// printk(KERN_ERR "D: gendisk, blocksize %d " ++// "name '%s' devt %08X %s #part %d\n", blocksize, ++// disk->disk_name, dev->devt, ++// format_dev_t(bff, dev->devt), ++// disk_max_parts(disk)); ++ disk_part_iter_init(&piter, disk, DISK_PITER_INCL_PART0); ++ while (root_dev_type && (part = disk_part_iter_next(&piter))) { ++ /* avoid empty or too small partitions */ ++// printk(KERN_ERR "D: part #%d start %llu " ++// "nr %llu\n", part->partno, ++// (__u64)part->start_sect, ++// (__u64)part->nr_sects); ++ if (part->nr_sects < 8) ++ continue; ++ if (check_dev(disk, MKDEV(MAJOR(dev->devt), ++ MINOR(dev->devt) + part->partno), ++ blocksize, sb_page)) { ++ ROOT_DEV = part_devt(part); ++// printk(KERN_ERR "D: got match!\n"); ++ // comment out below for debugging ++ root_dev_type = 0; ++ } ++ } ++ disk_part_iter_exit(&piter); ++ } ++// printk(KERN_ERR "D: end iter\n"); ++ class_dev_iter_exit(&iter); ++ put_page(sb_page); ++ } ++ nomemforbio: ++ if (root_dev_type == 1) ++ printk(KERN_ERR "VFS: Unable to find root by UUID %s.\n", ++ saved_root_name + 5); ++ else if (root_dev_type == 3) ++ /* execute deferred panic from parse_uuid */ ++ panic("Badly formatted UUID %s was supplied as kernel " ++ "parameter root", saved_root_name + 5); ++#endif /* CONFIG_EXT2_FS for UUID support */ ++ + #ifdef CONFIG_ROOT_NFS + if (ROOT_DEV == Root_NFS) { + if (mount_nfs_root()) diff --git a/target/linux/patches/3.15-rc7/wlan-cf.patch b/target/linux/patches/3.15-rc7/wlan-cf.patch new file mode 100644 index 000000000..fc20759e2 --- /dev/null +++ b/target/linux/patches/3.15-rc7/wlan-cf.patch @@ -0,0 +1,11 @@ +diff -Nur linux-2.6.39.orig/drivers/net/wireless/hostap/hostap_cs.c linux-2.6.39/drivers/net/wireless/hostap/hostap_cs.c +--- linux-2.6.39.orig/drivers/net/wireless/hostap/hostap_cs.c 2011-05-19 06:06:34.000000000 +0200 ++++ linux-2.6.39/drivers/net/wireless/hostap/hostap_cs.c 2011-09-12 02:46:26.987984145 +0200 +@@ -623,6 +623,7 @@ + static struct pcmcia_device_id hostap_cs_ids[] = { + PCMCIA_DEVICE_MANF_CARD(0x000b, 0x7100), + PCMCIA_DEVICE_MANF_CARD(0x000b, 0x7300), ++ PCMCIA_DEVICE_MANF_CARD(0x0004, 0x2003), + PCMCIA_DEVICE_MANF_CARD(0x0101, 0x0777), + PCMCIA_DEVICE_MANF_CARD(0x0126, 0x8000), + PCMCIA_DEVICE_MANF_CARD(0x0138, 0x0002), diff --git a/target/linux/patches/3.15-rc7/xargs.patch b/target/linux/patches/3.15-rc7/xargs.patch new file mode 100644 index 000000000..2c7b3df59 --- /dev/null +++ b/target/linux/patches/3.15-rc7/xargs.patch @@ -0,0 +1,12 @@ +diff -Nur linux-3.12.6.orig/scripts/Makefile.modpost linux-3.12.6/scripts/Makefile.modpost +--- linux-3.12.6.orig/scripts/Makefile.modpost 2013-12-20 16:51:33.000000000 +0100 ++++ linux-3.12.6/scripts/Makefile.modpost 2014-01-25 14:55:33.000000000 +0100 +@@ -60,7 +60,7 @@ + modulesymfile := $(firstword $(KBUILD_EXTMOD))/Module.symvers + + # Step 1), find all modules listed in $(MODVERDIR)/ +-MODLISTCMD := find $(MODVERDIR) -name '*.mod' | xargs -r grep -h '\.ko$$' | sort -u ++MODLISTCMD := find $(MODVERDIR) -name '*.mod' | xargs grep -h '\.ko$$' | sort -u + __modules := $(shell $(MODLISTCMD)) + modules := $(patsubst %.o,%.ko, $(wildcard $(__modules:.ko=.o))) + diff --git a/target/linux/patches/3.15-rc7/yaffs2.patch b/target/linux/patches/3.15-rc7/yaffs2.patch new file mode 100644 index 000000000..bb244c7ca --- /dev/null +++ b/target/linux/patches/3.15-rc7/yaffs2.patch @@ -0,0 +1,16551 @@ +diff -Nur linux-3.15-rc5.orig/fs/Kconfig linux-3.15-rc5/fs/Kconfig +--- linux-3.15-rc5.orig/fs/Kconfig 2014-05-09 22:10:52.000000000 +0200 ++++ linux-3.15-rc5/fs/Kconfig 2014-05-17 01:53:17.000000000 +0200 +@@ -190,6 +190,7 @@ + source "fs/befs/Kconfig" + source "fs/bfs/Kconfig" + source "fs/efs/Kconfig" ++source "fs/yaffs2/Kconfig" + source "fs/jffs2/Kconfig" + # UBIFS File system configuration + source "fs/ubifs/Kconfig" +diff -Nur linux-3.15-rc5.orig/fs/Makefile linux-3.15-rc5/fs/Makefile +--- linux-3.15-rc5.orig/fs/Makefile 2014-05-09 22:10:52.000000000 +0200 ++++ linux-3.15-rc5/fs/Makefile 2014-05-17 01:53:25.000000000 +0200 +@@ -126,3 +126,4 @@ + obj-$(CONFIG_CEPH_FS) += ceph/ + obj-$(CONFIG_PSTORE) += pstore/ + obj-$(CONFIG_EFIVAR_FS) += efivarfs/ ++obj-$(CONFIG_YAFFS_FS) += yaffs2/ +diff -Nur linux-3.15-rc5.orig/fs/yaffs2/Kconfig linux-3.15-rc5/fs/yaffs2/Kconfig +--- linux-3.15-rc5.orig/fs/yaffs2/Kconfig 1970-01-01 01:00:00.000000000 +0100 ++++ linux-3.15-rc5/fs/yaffs2/Kconfig 2014-05-17 01:53:27.000000000 +0200 +@@ -0,0 +1,171 @@ ++# ++# yaffs file system configurations ++# ++ ++config YAFFS_FS ++ tristate "yaffs2 file system support" ++ default n ++ depends on MTD_BLOCK ++ select YAFFS_YAFFS1 ++ select YAFFS_YAFFS2 ++ help ++ yaffs2, or Yet Another Flash File System, is a file system ++ optimised for NAND Flash chips. ++ ++ To compile the yaffs2 file system support as a module, choose M ++ here: the module will be called yaffs2. ++ ++ If unsure, say N. ++ ++ Further information on yaffs2 is available at ++ . ++ ++config YAFFS_YAFFS1 ++ bool "512 byte / page devices" ++ depends on YAFFS_FS ++ default y ++ help ++ Enable yaffs1 support -- yaffs for 512 byte / page devices ++ ++ Not needed for 2K-page devices. ++ ++ If unsure, say Y. ++ ++config YAFFS_9BYTE_TAGS ++ bool "Use older-style on-NAND data format with pageStatus byte" ++ depends on YAFFS_YAFFS1 ++ default n ++ help ++ ++ Older-style on-NAND data format has a "pageStatus" byte to record ++ chunk/page state. This byte is zero when the page is discarded. ++ Choose this option if you have existing on-NAND data using this ++ format that you need to continue to support. New data written ++ also uses the older-style format. Note: Use of this option ++ generally requires that MTD's oob layout be adjusted to use the ++ older-style format. See notes on tags formats and MTD versions ++ in yaffs_mtdif1.c. ++ ++ If unsure, say N. ++ ++config YAFFS_DOES_ECC ++ bool "Lets yaffs do its own ECC" ++ depends on YAFFS_FS && YAFFS_YAFFS1 && !YAFFS_9BYTE_TAGS ++ default n ++ help ++ This enables yaffs to use its own ECC functions instead of using ++ the ones from the generic MTD-NAND driver. ++ ++ If unsure, say N. ++ ++config YAFFS_ECC_WRONG_ORDER ++ bool "Use the same ecc byte order as Steven Hill's nand_ecc.c" ++ depends on YAFFS_FS && YAFFS_DOES_ECC && !YAFFS_9BYTE_TAGS ++ default n ++ help ++ This makes yaffs_ecc.c use the same ecc byte order as Steven ++ Hill's nand_ecc.c. If not set, then you get the same ecc byte ++ order as SmartMedia. ++ ++ If unsure, say N. ++ ++config YAFFS_YAFFS2 ++ bool "2048 byte (or larger) / page devices" ++ depends on YAFFS_FS ++ default y ++ help ++ Enable yaffs2 support -- yaffs for >= 2K bytes per page devices ++ ++ If unsure, say Y. ++ ++config YAFFS_AUTO_YAFFS2 ++ bool "Autoselect yaffs2 format" ++ depends on YAFFS_YAFFS2 ++ default y ++ help ++ Without this, you need to explicitely use yaffs2 as the file ++ system type. With this, you can say "yaffs" and yaffs or yaffs2 ++ will be used depending on the device page size (yaffs on ++ 512-byte page devices, yaffs2 on 2K page devices). ++ ++ If unsure, say Y. ++ ++config YAFFS_DISABLE_TAGS_ECC ++ bool "Disable yaffs from doing ECC on tags by default" ++ depends on YAFFS_FS && YAFFS_YAFFS2 ++ default n ++ help ++ This defaults yaffs to using its own ECC calculations on tags instead of ++ just relying on the MTD. ++ This behavior can also be overridden with tags_ecc_on and ++ tags_ecc_off mount options. ++ ++ If unsure, say N. ++ ++config YAFFS_ALWAYS_CHECK_CHUNK_ERASED ++ bool "Force chunk erase check" ++ depends on YAFFS_FS ++ default n ++ help ++ Normally yaffs only checks chunks before writing until an erased ++ chunk is found. This helps to detect any partially written ++ chunks that might have happened due to power loss. ++ ++ Enabling this forces on the test that chunks are erased in flash ++ before writing to them. This takes more time but is potentially ++ a bit more secure. ++ ++ Suggest setting Y during development and ironing out driver ++ issues etc. Suggest setting to N if you want faster writing. ++ ++ If unsure, say Y. ++ ++config YAFFS_EMPTY_LOST_AND_FOUND ++ bool "Empty lost and found on boot" ++ depends on YAFFS_FS ++ default n ++ help ++ If this is enabled then the contents of lost and found is ++ automatically dumped at mount. ++ ++ If unsure, say N. ++ ++config YAFFS_DISABLE_BLOCK_REFRESHING ++ bool "Disable yaffs2 block refreshing" ++ depends on YAFFS_FS ++ default n ++ help ++ If this is set, then block refreshing is disabled. ++ Block refreshing infrequently refreshes the oldest block in ++ a yaffs2 file system. This mechanism helps to refresh flash to ++ mitigate against data loss. This is particularly useful for MLC. ++ ++ If unsure, say N. ++ ++config YAFFS_DISABLE_BACKGROUND ++ bool "Disable yaffs2 background processing" ++ depends on YAFFS_FS ++ default n ++ help ++ If this is set, then background processing is disabled. ++ Background processing makes many foreground activities faster. ++ ++ If unsure, say N. ++ ++config YAFFS_DISABLE_BAD_BLOCK_MARKING ++ bool "Disable yaffs2 bad block marking" ++ depends on YAFFS_FS ++ default n ++ help ++ Useful during early flash bring up to prevent problems causing ++ lots of bad block marking. ++ ++ If unsure, say N. ++ ++config YAFFS_XATTR ++ bool "Enable yaffs2 xattr support" ++ depends on YAFFS_FS ++ default y ++ help ++ If this is set then yaffs2 will provide xattr support. ++ If unsure, say Y. +diff -Nur linux-3.15-rc5.orig/fs/yaffs2/Makefile linux-3.15-rc5/fs/yaffs2/Makefile +--- linux-3.15-rc5.orig/fs/yaffs2/Makefile 1970-01-01 01:00:00.000000000 +0100 ++++ linux-3.15-rc5/fs/yaffs2/Makefile 2014-05-17 01:53:27.000000000 +0200 +@@ -0,0 +1,18 @@ ++# ++# Makefile for the linux YAFFS filesystem routines. ++# ++ ++obj-$(CONFIG_YAFFS_FS) += yaffs.o ++ ++yaffs-y := yaffs_ecc.o yaffs_vfs.o yaffs_guts.o yaffs_checkptrw.o ++yaffs-y += yaffs_packedtags1.o yaffs_packedtags2.o yaffs_nand.o ++yaffs-y += yaffs_tagscompat.o yaffs_tagsmarshall.o ++yaffs-y += yaffs_mtdif.o ++yaffs-y += yaffs_nameval.o yaffs_attribs.o ++yaffs-y += yaffs_allocator.o ++yaffs-y += yaffs_yaffs1.o ++yaffs-y += yaffs_yaffs2.o ++yaffs-y += yaffs_bitmap.o ++yaffs-y += yaffs_summary.o ++yaffs-y += yaffs_verify.o ++ +diff -Nur linux-3.15-rc5.orig/fs/yaffs2/yaffs_allocator.c linux-3.15-rc5/fs/yaffs2/yaffs_allocator.c +--- linux-3.15-rc5.orig/fs/yaffs2/yaffs_allocator.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-3.15-rc5/fs/yaffs2/yaffs_allocator.c 2014-05-17 01:53:27.000000000 +0200 +@@ -0,0 +1,357 @@ ++/* ++ * YAFFS: Yet Another Flash File System. A NAND-flash specific file system. ++ * ++ * Copyright (C) 2002-2011 Aleph One Ltd. ++ * for Toby Churchill Ltd and Brightstar Engineering ++ * ++ * Created by Charles Manning ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License version 2 as ++ * published by the Free Software Foundation. ++ */ ++ ++#include "yaffs_allocator.h" ++#include "yaffs_guts.h" ++#include "yaffs_trace.h" ++#include "yportenv.h" ++ ++/* ++ * Each entry in yaffs_tnode_list and yaffs_obj_list hold blocks ++ * of approx 100 objects that are themn allocated singly. ++ * This is basically a simplified slab allocator. ++ * ++ * We don't use the Linux slab allocator because slab does not allow ++ * us to dump all the objects in one hit when we do a umount and tear ++ * down all the tnodes and objects. slab requires that we first free ++ * the individual objects. ++ * ++ * Once yaffs has been mainlined I shall try to motivate for a change ++ * to slab to provide the extra features we need here. ++ */ ++ ++struct yaffs_tnode_list { ++ struct yaffs_tnode_list *next; ++ struct yaffs_tnode *tnodes; ++}; ++ ++struct yaffs_obj_list { ++ struct yaffs_obj_list *next; ++ struct yaffs_obj *objects; ++}; ++ ++struct yaffs_allocator { ++ int n_tnodes_created; ++ struct yaffs_tnode *free_tnodes; ++ int n_free_tnodes; ++ struct yaffs_tnode_list *alloc_tnode_list; ++ ++ int n_obj_created; ++ struct list_head free_objs; ++ int n_free_objects; ++ ++ struct yaffs_obj_list *allocated_obj_list; ++}; ++ ++static void yaffs_deinit_raw_tnodes(struct yaffs_dev *dev) ++{ ++ struct yaffs_allocator *allocator = ++ (struct yaffs_allocator *)dev->allocator; ++ struct yaffs_tnode_list *tmp; ++ ++ if (!allocator) { ++ BUG(); ++ return; ++ } ++ ++ while (allocator->alloc_tnode_list) { ++ tmp = allocator->alloc_tnode_list->next; ++ ++ kfree(allocator->alloc_tnode_list->tnodes); ++ kfree(allocator->alloc_tnode_list); ++ allocator->alloc_tnode_list = tmp; ++ } ++ ++ allocator->free_tnodes = NULL; ++ allocator->n_free_tnodes = 0; ++ allocator->n_tnodes_created = 0; ++} ++ ++static void yaffs_init_raw_tnodes(struct yaffs_dev *dev) ++{ ++ struct yaffs_allocator *allocator = dev->allocator; ++ ++ if (!allocator) { ++ BUG(); ++ return; ++ } ++ ++ allocator->alloc_tnode_list = NULL; ++ allocator->free_tnodes = NULL; ++ allocator->n_free_tnodes = 0; ++ allocator->n_tnodes_created = 0; ++} ++ ++static int yaffs_create_tnodes(struct yaffs_dev *dev, int n_tnodes) ++{ ++ struct yaffs_allocator *allocator = ++ (struct yaffs_allocator *)dev->allocator; ++ int i; ++ struct yaffs_tnode *new_tnodes; ++ u8 *mem; ++ struct yaffs_tnode *curr; ++ struct yaffs_tnode *next; ++ struct yaffs_tnode_list *tnl; ++ ++ if (!allocator) { ++ BUG(); ++ return YAFFS_FAIL; ++ } ++ ++ if (n_tnodes < 1) ++ return YAFFS_OK; ++ ++ /* make these things */ ++ new_tnodes = kmalloc(n_tnodes * dev->tnode_size, GFP_NOFS); ++ mem = (u8 *) new_tnodes; ++ ++ if (!new_tnodes) { ++ yaffs_trace(YAFFS_TRACE_ERROR, ++ "yaffs: Could not allocate Tnodes"); ++ return YAFFS_FAIL; ++ } ++ ++ /* New hookup for wide tnodes */ ++ for (i = 0; i < n_tnodes - 1; i++) { ++ curr = (struct yaffs_tnode *)&mem[i * dev->tnode_size]; ++ next = (struct yaffs_tnode *)&mem[(i + 1) * dev->tnode_size]; ++ curr->internal[0] = next; ++ } ++ ++ curr = (struct yaffs_tnode *)&mem[(n_tnodes - 1) * dev->tnode_size]; ++ curr->internal[0] = allocator->free_tnodes; ++ allocator->free_tnodes = (struct yaffs_tnode *)mem; ++ ++ allocator->n_free_tnodes += n_tnodes; ++ allocator->n_tnodes_created += n_tnodes; ++ ++ /* Now add this bunch of tnodes to a list for freeing up. ++ * NB If we can't add this to the management list it isn't fatal ++ * but it just means we can't free this bunch of tnodes later. ++ */ ++ tnl = kmalloc(sizeof(struct yaffs_tnode_list), GFP_NOFS); ++ if (!tnl) { ++ yaffs_trace(YAFFS_TRACE_ERROR, ++ "Could not add tnodes to management list"); ++ return YAFFS_FAIL; ++ } else { ++ tnl->tnodes = new_tnodes; ++ tnl->next = allocator->alloc_tnode_list; ++ allocator->alloc_tnode_list = tnl; ++ } ++ ++ yaffs_trace(YAFFS_TRACE_ALLOCATE, "Tnodes added"); ++ ++ return YAFFS_OK; ++} ++ ++struct yaffs_tnode *yaffs_alloc_raw_tnode(struct yaffs_dev *dev) ++{ ++ struct yaffs_allocator *allocator = ++ (struct yaffs_allocator *)dev->allocator; ++ struct yaffs_tnode *tn = NULL; ++ ++ if (!allocator) { ++ BUG(); ++ return NULL; ++ } ++ ++ /* If there are none left make more */ ++ if (!allocator->free_tnodes) ++ yaffs_create_tnodes(dev, YAFFS_ALLOCATION_NTNODES); ++ ++ if (allocator->free_tnodes) { ++ tn = allocator->free_tnodes; ++ allocator->free_tnodes = allocator->free_tnodes->internal[0]; ++ allocator->n_free_tnodes--; ++ } ++ ++ return tn; ++} ++ ++/* FreeTnode frees up a tnode and puts it back on the free list */ ++void yaffs_free_raw_tnode(struct yaffs_dev *dev, struct yaffs_tnode *tn) ++{ ++ struct yaffs_allocator *allocator = dev->allocator; ++ ++ if (!allocator) { ++ BUG(); ++ return; ++ } ++ ++ if (tn) { ++ tn->internal[0] = allocator->free_tnodes; ++ allocator->free_tnodes = tn; ++ allocator->n_free_tnodes++; ++ } ++ dev->checkpoint_blocks_required = 0; /* force recalculation */ ++} ++ ++/*--------------- yaffs_obj alloaction ------------------------ ++ * ++ * Free yaffs_objs are stored in a list using obj->siblings. ++ * The blocks of allocated objects are stored in a linked list. ++ */ ++ ++static void yaffs_init_raw_objs(struct yaffs_dev *dev) ++{ ++ struct yaffs_allocator *allocator = dev->allocator; ++ ++ if (!allocator) { ++ BUG(); ++ return; ++ } ++ ++ allocator->allocated_obj_list = NULL; ++ INIT_LIST_HEAD(&allocator->free_objs); ++ allocator->n_free_objects = 0; ++} ++ ++static void yaffs_deinit_raw_objs(struct yaffs_dev *dev) ++{ ++ struct yaffs_allocator *allocator = dev->allocator; ++ struct yaffs_obj_list *tmp; ++ ++ if (!allocator) { ++ BUG(); ++ return; ++ } ++ ++ while (allocator->allocated_obj_list) { ++ tmp = allocator->allocated_obj_list->next; ++ kfree(allocator->allocated_obj_list->objects); ++ kfree(allocator->allocated_obj_list); ++ allocator->allocated_obj_list = tmp; ++ } ++ ++ INIT_LIST_HEAD(&allocator->free_objs); ++ allocator->n_free_objects = 0; ++ allocator->n_obj_created = 0; ++} ++ ++static int yaffs_create_free_objs(struct yaffs_dev *dev, int n_obj) ++{ ++ struct yaffs_allocator *allocator = dev->allocator; ++ int i; ++ struct yaffs_obj *new_objs; ++ struct yaffs_obj_list *list; ++ ++ if (!allocator) { ++ BUG(); ++ return YAFFS_FAIL; ++ } ++ ++ if (n_obj < 1) ++ return YAFFS_OK; ++ ++ /* make these things */ ++ new_objs = kmalloc(n_obj * sizeof(struct yaffs_obj), GFP_NOFS); ++ list = kmalloc(sizeof(struct yaffs_obj_list), GFP_NOFS); ++ ++ if (!new_objs || !list) { ++ kfree(new_objs); ++ new_objs = NULL; ++ kfree(list); ++ list = NULL; ++ yaffs_trace(YAFFS_TRACE_ALLOCATE, ++ "Could not allocate more objects"); ++ return YAFFS_FAIL; ++ } ++ ++ /* Hook them into the free list */ ++ for (i = 0; i < n_obj; i++) ++ list_add(&new_objs[i].siblings, &allocator->free_objs); ++ ++ allocator->n_free_objects += n_obj; ++ allocator->n_obj_created += n_obj; ++ ++ /* Now add this bunch of Objects to a list for freeing up. */ ++ ++ list->objects = new_objs; ++ list->next = allocator->allocated_obj_list; ++ allocator->allocated_obj_list = list; ++ ++ return YAFFS_OK; ++} ++ ++struct yaffs_obj *yaffs_alloc_raw_obj(struct yaffs_dev *dev) ++{ ++ struct yaffs_obj *obj = NULL; ++ struct list_head *lh; ++ struct yaffs_allocator *allocator = dev->allocator; ++ ++ if (!allocator) { ++ BUG(); ++ return obj; ++ } ++ ++ /* If there are none left make more */ ++ if (list_empty(&allocator->free_objs)) ++ yaffs_create_free_objs(dev, YAFFS_ALLOCATION_NOBJECTS); ++ ++ if (!list_empty(&allocator->free_objs)) { ++ lh = allocator->free_objs.next; ++ obj = list_entry(lh, struct yaffs_obj, siblings); ++ list_del_init(lh); ++ allocator->n_free_objects--; ++ } ++ ++ return obj; ++} ++ ++void yaffs_free_raw_obj(struct yaffs_dev *dev, struct yaffs_obj *obj) ++{ ++ ++ struct yaffs_allocator *allocator = dev->allocator; ++ ++ if (!allocator) { ++ BUG(); ++ return; ++ } ++ ++ /* Link into the free list. */ ++ list_add(&obj->siblings, &allocator->free_objs); ++ allocator->n_free_objects++; ++} ++ ++void yaffs_deinit_raw_tnodes_and_objs(struct yaffs_dev *dev) ++{ ++ ++ if (!dev->allocator) { ++ BUG(); ++ return; ++ } ++ ++ yaffs_deinit_raw_tnodes(dev); ++ yaffs_deinit_raw_objs(dev); ++ kfree(dev->allocator); ++ dev->allocator = NULL; ++} ++ ++void yaffs_init_raw_tnodes_and_objs(struct yaffs_dev *dev) ++{ ++ struct yaffs_allocator *allocator; ++ ++ if (dev->allocator) { ++ BUG(); ++ return; ++ } ++ ++ allocator = kmalloc(sizeof(struct yaffs_allocator), GFP_NOFS); ++ if (allocator) { ++ dev->allocator = allocator; ++ yaffs_init_raw_tnodes(dev); ++ yaffs_init_raw_objs(dev); ++ } ++} ++ +diff -Nur linux-3.15-rc5.orig/fs/yaffs2/yaffs_allocator.h linux-3.15-rc5/fs/yaffs2/yaffs_allocator.h +--- linux-3.15-rc5.orig/fs/yaffs2/yaffs_allocator.h 1970-01-01 01:00:00.000000000 +0100 ++++ linux-3.15-rc5/fs/yaffs2/yaffs_allocator.h 2014-05-17 01:53:27.000000000 +0200 +@@ -0,0 +1,30 @@ ++/* ++ * YAFFS: Yet another Flash File System . A NAND-flash specific file system. ++ * ++ * Copyright (C) 2002-2011 Aleph One Ltd. ++ * for Toby Churchill Ltd and Brightstar Engineering ++ * ++ * Created by Charles Manning ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU Lesser General Public License version 2.1 as ++ * published by the Free Software Foundation. ++ * ++ * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL. ++ */ ++ ++#ifndef __YAFFS_ALLOCATOR_H__ ++#define __YAFFS_ALLOCATOR_H__ ++ ++#include "yaffs_guts.h" ++ ++void yaffs_init_raw_tnodes_and_objs(struct yaffs_dev *dev); ++void yaffs_deinit_raw_tnodes_and_objs(struct yaffs_dev *dev); ++ ++struct yaffs_tnode *yaffs_alloc_raw_tnode(struct yaffs_dev *dev); ++void yaffs_free_raw_tnode(struct yaffs_dev *dev, struct yaffs_tnode *tn); ++ ++struct yaffs_obj *yaffs_alloc_raw_obj(struct yaffs_dev *dev); ++void yaffs_free_raw_obj(struct yaffs_dev *dev, struct yaffs_obj *obj); ++ ++#endif +diff -Nur linux-3.15-rc5.orig/fs/yaffs2/yaffs_attribs.c linux-3.15-rc5/fs/yaffs2/yaffs_attribs.c +--- linux-3.15-rc5.orig/fs/yaffs2/yaffs_attribs.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-3.15-rc5/fs/yaffs2/yaffs_attribs.c 2014-05-17 01:53:27.000000000 +0200 +@@ -0,0 +1,166 @@ ++/* ++ * YAFFS: Yet Another Flash File System. A NAND-flash specific file system. ++ * ++ * Copyright (C) 2002-2011 Aleph One Ltd. ++ * for Toby Churchill Ltd and Brightstar Engineering ++ * ++ * Created by Charles Manning ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License version 2 as ++ * published by the Free Software Foundation. ++ */ ++ ++#include "yaffs_guts.h" ++#include "yaffs_attribs.h" ++ ++#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 5, 0)) ++static inline uid_t ia_uid_read(const struct iattr *iattr) ++{ ++ return from_kuid(&init_user_ns, iattr->ia_uid); ++} ++ ++static inline gid_t ia_gid_read(const struct iattr *iattr) ++{ ++ return from_kgid(&init_user_ns, iattr->ia_gid); ++} ++ ++static inline void ia_uid_write(struct iattr *iattr, uid_t uid) ++{ ++ iattr->ia_uid = make_kuid(&init_user_ns, uid); ++} ++ ++static inline void ia_gid_write(struct iattr *iattr, gid_t gid) ++{ ++ iattr->ia_gid = make_kgid(&init_user_ns, gid); ++} ++#else ++static inline uid_t ia_uid_read(const struct iattr *iattr) ++{ ++ return iattr->ia_uid; ++} ++ ++static inline gid_t ia_gid_read(const struct iattr *inode) ++{ ++ return iattr->ia_gid; ++} ++ ++static inline void ia_uid_write(struct iattr *iattr, uid_t uid) ++{ ++ iattr->ia_uid = uid; ++} ++ ++static inline void ia_gid_write(struct iattr *iattr, gid_t gid) ++{ ++ iattr->ia_gid = gid; ++} ++#endif ++ ++void yaffs_load_attribs(struct yaffs_obj *obj, struct yaffs_obj_hdr *oh) ++{ ++ obj->yst_uid = oh->yst_uid; ++ obj->yst_gid = oh->yst_gid; ++ obj->yst_atime = oh->yst_atime; ++ obj->yst_mtime = oh->yst_mtime; ++ obj->yst_ctime = oh->yst_ctime; ++ obj->yst_rdev = oh->yst_rdev; ++} ++ ++void yaffs_load_attribs_oh(struct yaffs_obj_hdr *oh, struct yaffs_obj *obj) ++{ ++ oh->yst_uid = obj->yst_uid; ++ oh->yst_gid = obj->yst_gid; ++ oh->yst_atime = obj->yst_atime; ++ oh->yst_mtime = obj->yst_mtime; ++ oh->yst_ctime = obj->yst_ctime; ++ oh->yst_rdev = obj->yst_rdev; ++ ++} ++ ++void yaffs_load_current_time(struct yaffs_obj *obj, int do_a, int do_c) ++{ ++ obj->yst_mtime = Y_CURRENT_TIME; ++ if (do_a) ++ obj->yst_atime = obj->yst_mtime; ++ if (do_c) ++ obj->yst_ctime = obj->yst_mtime; ++} ++ ++void yaffs_attribs_init(struct yaffs_obj *obj, u32 gid, u32 uid, u32 rdev) ++{ ++ yaffs_load_current_time(obj, 1, 1); ++ obj->yst_rdev = rdev; ++ obj->yst_uid = uid; ++ obj->yst_gid = gid; ++} ++ ++static loff_t yaffs_get_file_size(struct yaffs_obj *obj) ++{ ++ YCHAR *alias = NULL; ++ obj = yaffs_get_equivalent_obj(obj); ++ ++ switch (obj->variant_type) { ++ case YAFFS_OBJECT_TYPE_FILE: ++ return obj->variant.file_variant.file_size; ++ case YAFFS_OBJECT_TYPE_SYMLINK: ++ alias = obj->variant.symlink_variant.alias; ++ if (!alias) ++ return 0; ++ return strnlen(alias, YAFFS_MAX_ALIAS_LENGTH); ++ default: ++ return 0; ++ } ++} ++ ++int yaffs_set_attribs(struct yaffs_obj *obj, struct iattr *attr) ++{ ++ unsigned int valid = attr->ia_valid; ++ ++ if (valid & ATTR_MODE) ++ obj->yst_mode = attr->ia_mode; ++ if (valid & ATTR_UID) ++ obj->yst_uid = ia_uid_read(attr); ++ if (valid & ATTR_GID) ++ obj->yst_gid = ia_gid_read(attr); ++ ++ if (valid & ATTR_ATIME) ++ obj->yst_atime = Y_TIME_CONVERT(attr->ia_atime); ++ if (valid & ATTR_CTIME) ++ obj->yst_ctime = Y_TIME_CONVERT(attr->ia_ctime); ++ if (valid & ATTR_MTIME) ++ obj->yst_mtime = Y_TIME_CONVERT(attr->ia_mtime); ++ ++ if (valid & ATTR_SIZE) ++ yaffs_resize_file(obj, attr->ia_size); ++ ++ yaffs_update_oh(obj, NULL, 1, 0, 0, NULL); ++ ++ return YAFFS_OK; ++ ++} ++ ++int yaffs_get_attribs(struct yaffs_obj *obj, struct iattr *attr) ++{ ++ unsigned int valid = 0; ++ ++ attr->ia_mode = obj->yst_mode; ++ valid |= ATTR_MODE; ++ ia_uid_write(attr, obj->yst_uid); ++ valid |= ATTR_UID; ++ ia_gid_write(attr, obj->yst_gid); ++ valid |= ATTR_GID; ++ ++ Y_TIME_CONVERT(attr->ia_atime) = obj->yst_atime; ++ valid |= ATTR_ATIME; ++ Y_TIME_CONVERT(attr->ia_ctime) = obj->yst_ctime; ++ valid |= ATTR_CTIME; ++ Y_TIME_CONVERT(attr->ia_mtime) = obj->yst_mtime; ++ valid |= ATTR_MTIME; ++ ++ attr->ia_size = yaffs_get_file_size(obj); ++ valid |= ATTR_SIZE; ++ ++ attr->ia_valid = valid; ++ ++ return YAFFS_OK; ++} +diff -Nur linux-3.15-rc5.orig/fs/yaffs2/yaffs_attribs.h linux-3.15-rc5/fs/yaffs2/yaffs_attribs.h +--- linux-3.15-rc5.orig/fs/yaffs2/yaffs_attribs.h 1970-01-01 01:00:00.000000000 +0100 ++++ linux-3.15-rc5/fs/yaffs2/yaffs_attribs.h 2014-05-17 01:53:27.000000000 +0200 +@@ -0,0 +1,28 @@ ++/* ++ * YAFFS: Yet another Flash File System . A NAND-flash specific file system. ++ * ++ * Copyright (C) 2002-2011 Aleph One Ltd. ++ * for Toby Churchill Ltd and Brightstar Engineering ++ * ++ * Created by Charles Manning ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU Lesser General Public License version 2.1 as ++ * published by the Free Software Foundation. ++ * ++ * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL. ++ */ ++ ++#ifndef __YAFFS_ATTRIBS_H__ ++#define __YAFFS_ATTRIBS_H__ ++ ++#include "yaffs_guts.h" ++ ++void yaffs_load_attribs(struct yaffs_obj *obj, struct yaffs_obj_hdr *oh); ++void yaffs_load_attribs_oh(struct yaffs_obj_hdr *oh, struct yaffs_obj *obj); ++void yaffs_attribs_init(struct yaffs_obj *obj, u32 gid, u32 uid, u32 rdev); ++void yaffs_load_current_time(struct yaffs_obj *obj, int do_a, int do_c); ++int yaffs_set_attribs(struct yaffs_obj *obj, struct iattr *attr); ++int yaffs_get_attribs(struct yaffs_obj *obj, struct iattr *attr); ++ ++#endif +diff -Nur linux-3.15-rc5.orig/fs/yaffs2/yaffs_bitmap.c linux-3.15-rc5/fs/yaffs2/yaffs_bitmap.c +--- linux-3.15-rc5.orig/fs/yaffs2/yaffs_bitmap.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-3.15-rc5/fs/yaffs2/yaffs_bitmap.c 2014-05-17 01:53:27.000000000 +0200 +@@ -0,0 +1,97 @@ ++/* ++ * YAFFS: Yet Another Flash File System. A NAND-flash specific file system. ++ * ++ * Copyright (C) 2002-2011 Aleph One Ltd. ++ * for Toby Churchill Ltd and Brightstar Engineering ++ * ++ * Created by Charles Manning ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License version 2 as ++ * published by the Free Software Foundation. ++ */ ++ ++#include "yaffs_bitmap.h" ++#include "yaffs_trace.h" ++/* ++ * Chunk bitmap manipulations ++ */ ++ ++static inline u8 *yaffs_block_bits(struct yaffs_dev *dev, int blk) ++{ ++ if (blk < dev->internal_start_block || blk > dev->internal_end_block) { ++ yaffs_trace(YAFFS_TRACE_ERROR, ++ "BlockBits block %d is not valid", ++ blk); ++ BUG(); ++ } ++ return dev->chunk_bits + ++ (dev->chunk_bit_stride * (blk - dev->internal_start_block)); ++} ++ ++void yaffs_verify_chunk_bit_id(struct yaffs_dev *dev, int blk, int chunk) ++{ ++ if (blk < dev->internal_start_block || blk > dev->internal_end_block || ++ chunk < 0 || chunk >= dev->param.chunks_per_block) { ++ yaffs_trace(YAFFS_TRACE_ERROR, ++ "Chunk Id (%d:%d) invalid", ++ blk, chunk); ++ BUG(); ++ } ++} ++ ++void yaffs_clear_chunk_bits(struct yaffs_dev *dev, int blk) ++{ ++ u8 *blk_bits = yaffs_block_bits(dev, blk); ++ ++ memset(blk_bits, 0, dev->chunk_bit_stride); ++} ++ ++void yaffs_clear_chunk_bit(struct yaffs_dev *dev, int blk, int chunk) ++{ ++ u8 *blk_bits = yaffs_block_bits(dev, blk); ++ ++ yaffs_verify_chunk_bit_id(dev, blk, chunk); ++ blk_bits[chunk / 8] &= ~(1 << (chunk & 7)); ++} ++ ++void yaffs_set_chunk_bit(struct yaffs_dev *dev, int blk, int chunk) ++{ ++ u8 *blk_bits = yaffs_block_bits(dev, blk); ++ ++ yaffs_verify_chunk_bit_id(dev, blk, chunk); ++ blk_bits[chunk / 8] |= (1 << (chunk & 7)); ++} ++ ++int yaffs_check_chunk_bit(struct yaffs_dev *dev, int blk, int chunk) ++{ ++ u8 *blk_bits = yaffs_block_bits(dev, blk); ++ ++ yaffs_verify_chunk_bit_id(dev, blk, chunk); ++ return (blk_bits[chunk / 8] & (1 << (chunk & 7))) ? 1 : 0; ++} ++ ++int yaffs_still_some_chunks(struct yaffs_dev *dev, int blk) ++{ ++ u8 *blk_bits = yaffs_block_bits(dev, blk); ++ int i; ++ ++ for (i = 0; i < dev->chunk_bit_stride; i++) { ++ if (*blk_bits) ++ return 1; ++ blk_bits++; ++ } ++ return 0; ++} ++ ++int yaffs_count_chunk_bits(struct yaffs_dev *dev, int blk) ++{ ++ u8 *blk_bits = yaffs_block_bits(dev, blk); ++ int i; ++ int n = 0; ++ ++ for (i = 0; i < dev->chunk_bit_stride; i++, blk_bits++) ++ n += hweight8(*blk_bits); ++ ++ return n; ++} +diff -Nur linux-3.15-rc5.orig/fs/yaffs2/yaffs_bitmap.h linux-3.15-rc5/fs/yaffs2/yaffs_bitmap.h +--- linux-3.15-rc5.orig/fs/yaffs2/yaffs_bitmap.h 1970-01-01 01:00:00.000000000 +0100 ++++ linux-3.15-rc5/fs/yaffs2/yaffs_bitmap.h 2014-05-17 01:53:27.000000000 +0200 +@@ -0,0 +1,33 @@ ++/* ++ * YAFFS: Yet another Flash File System . A NAND-flash specific file system. ++ * ++ * Copyright (C) 2002-2011 Aleph One Ltd. ++ * for Toby Churchill Ltd and Brightstar Engineering ++ * ++ * Created by Charles Manning ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU Lesser General Public License version 2.1 as ++ * published by the Free Software Foundation. ++ * ++ * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL. ++ */ ++ ++/* ++ * Chunk bitmap manipulations ++ */ ++ ++#ifndef __YAFFS_BITMAP_H__ ++#define __YAFFS_BITMAP_H__ ++ ++#include "yaffs_guts.h" ++ ++void yaffs_verify_chunk_bit_id(struct yaffs_dev *dev, int blk, int chunk); ++void yaffs_clear_chunk_bits(struct yaffs_dev *dev, int blk); ++void yaffs_clear_chunk_bit(struct yaffs_dev *dev, int blk, int chunk); ++void yaffs_set_chunk_bit(struct yaffs_dev *dev, int blk, int chunk); ++int yaffs_check_chunk_bit(struct yaffs_dev *dev, int blk, int chunk); ++int yaffs_still_some_chunks(struct yaffs_dev *dev, int blk); ++int yaffs_count_chunk_bits(struct yaffs_dev *dev, int blk); ++ ++#endif +diff -Nur linux-3.15-rc5.orig/fs/yaffs2/yaffs_checkptrw.c linux-3.15-rc5/fs/yaffs2/yaffs_checkptrw.c +--- linux-3.15-rc5.orig/fs/yaffs2/yaffs_checkptrw.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-3.15-rc5/fs/yaffs2/yaffs_checkptrw.c 2014-05-17 01:53:27.000000000 +0200 +@@ -0,0 +1,474 @@ ++/* ++ * YAFFS: Yet Another Flash File System. A NAND-flash specific file system. ++ * ++ * Copyright (C) 2002-2011 Aleph One Ltd. ++ * for Toby Churchill Ltd and Brightstar Engineering ++ * ++ * Created by Charles Manning ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License version 2 as ++ * published by the Free Software Foundation. ++ */ ++ ++#include "yaffs_checkptrw.h" ++#include "yaffs_getblockinfo.h" ++ ++struct yaffs_checkpt_chunk_hdr { ++ int version; ++ int seq; ++ u32 sum; ++ u32 xor; ++} ; ++ ++ ++static int apply_chunk_offset(struct yaffs_dev *dev, int chunk) ++{ ++ return chunk - dev->chunk_offset; ++} ++ ++static int apply_block_offset(struct yaffs_dev *dev, int block) ++{ ++ return block - dev->block_offset; ++} ++ ++static void yaffs2_checkpt_init_chunk_hdr(struct yaffs_dev *dev) ++{ ++ struct yaffs_checkpt_chunk_hdr hdr; ++ ++ hdr.version = YAFFS_CHECKPOINT_VERSION; ++ hdr.seq = dev->checkpt_page_seq; ++ hdr.sum = dev->checkpt_sum; ++ hdr.xor = dev->checkpt_xor; ++ ++ dev->checkpt_byte_offs = sizeof(hdr); ++ ++ memcpy(dev->checkpt_buffer, &hdr, sizeof(hdr)); ++} ++ ++static int yaffs2_checkpt_check_chunk_hdr(struct yaffs_dev *dev) ++{ ++ struct yaffs_checkpt_chunk_hdr hdr; ++ ++ memcpy(&hdr, dev->checkpt_buffer, sizeof(hdr)); ++ ++ dev->checkpt_byte_offs = sizeof(hdr); ++ ++ return hdr.version == YAFFS_CHECKPOINT_VERSION && ++ hdr.seq == dev->checkpt_page_seq && ++ hdr.sum == dev->checkpt_sum && ++ hdr.xor == dev->checkpt_xor; ++} ++ ++static int yaffs2_checkpt_space_ok(struct yaffs_dev *dev) ++{ ++ int blocks_avail = dev->n_erased_blocks - dev->param.n_reserved_blocks; ++ ++ yaffs_trace(YAFFS_TRACE_CHECKPOINT, ++ "checkpt blocks_avail = %d", blocks_avail); ++ ++ return (blocks_avail <= 0) ? 0 : 1; ++} ++ ++static int yaffs_checkpt_erase(struct yaffs_dev *dev) ++{ ++ int i; ++ ++ if (!dev->drv.drv_erase_fn) ++ return 0; ++ yaffs_trace(YAFFS_TRACE_CHECKPOINT, ++ "checking blocks %d to %d", ++ dev->internal_start_block, dev->internal_end_block); ++ ++ for (i = dev->internal_start_block; i <= dev->internal_end_block; i++) { ++ struct yaffs_block_info *bi = yaffs_get_block_info(dev, i); ++ int offset_i = apply_block_offset(dev, i); ++ int result; ++ ++ if (bi->block_state == YAFFS_BLOCK_STATE_CHECKPOINT) { ++ yaffs_trace(YAFFS_TRACE_CHECKPOINT, ++ "erasing checkpt block %d", i); ++ ++ dev->n_erasures++; ++ ++ result = dev->drv.drv_erase_fn(dev, offset_i); ++ if(result) { ++ bi->block_state = YAFFS_BLOCK_STATE_EMPTY; ++ dev->n_erased_blocks++; ++ dev->n_free_chunks += ++ dev->param.chunks_per_block; ++ } else { ++ dev->drv.drv_mark_bad_fn(dev, offset_i); ++ bi->block_state = YAFFS_BLOCK_STATE_DEAD; ++ } ++ } ++ } ++ ++ dev->blocks_in_checkpt = 0; ++ ++ return 1; ++} ++ ++static void yaffs2_checkpt_find_erased_block(struct yaffs_dev *dev) ++{ ++ int i; ++ int blocks_avail = dev->n_erased_blocks - dev->param.n_reserved_blocks; ++ ++ yaffs_trace(YAFFS_TRACE_CHECKPOINT, ++ "allocating checkpt block: erased %d reserved %d avail %d next %d ", ++ dev->n_erased_blocks, dev->param.n_reserved_blocks, ++ blocks_avail, dev->checkpt_next_block); ++ ++ if (dev->checkpt_next_block >= 0 && ++ dev->checkpt_next_block <= dev->internal_end_block && ++ blocks_avail > 0) { ++ ++ for (i = dev->checkpt_next_block; i <= dev->internal_end_block; ++ i++) { ++ struct yaffs_block_info *bi; ++ ++ bi = yaffs_get_block_info(dev, i); ++ if (bi->block_state == YAFFS_BLOCK_STATE_EMPTY) { ++ dev->checkpt_next_block = i + 1; ++ dev->checkpt_cur_block = i; ++ yaffs_trace(YAFFS_TRACE_CHECKPOINT, ++ "allocating checkpt block %d", i); ++ return; ++ } ++ } ++ } ++ yaffs_trace(YAFFS_TRACE_CHECKPOINT, "out of checkpt blocks"); ++ ++ dev->checkpt_next_block = -1; ++ dev->checkpt_cur_block = -1; ++} ++ ++static void yaffs2_checkpt_find_block(struct yaffs_dev *dev) ++{ ++ int i; ++ struct yaffs_ext_tags tags; ++ ++ yaffs_trace(YAFFS_TRACE_CHECKPOINT, ++ "find next checkpt block: start: blocks %d next %d", ++ dev->blocks_in_checkpt, dev->checkpt_next_block); ++ ++ if (dev->blocks_in_checkpt < dev->checkpt_max_blocks) ++ for (i = dev->checkpt_next_block; i <= dev->internal_end_block; ++ i++) { ++ int chunk = i * dev->param.chunks_per_block; ++ enum yaffs_block_state state; ++ u32 seq; ++ ++ dev->tagger.read_chunk_tags_fn(dev, ++ apply_chunk_offset(dev, chunk), ++ NULL, &tags); ++ yaffs_trace(YAFFS_TRACE_CHECKPOINT, ++ "find next checkpt block: search: block %d state %d oid %d seq %d eccr %d", ++ i, (int) state, ++ tags.obj_id, tags.seq_number, ++ tags.ecc_result); ++ ++ if (tags.seq_number != YAFFS_SEQUENCE_CHECKPOINT_DATA) ++ continue; ++ ++ dev->tagger.query_block_fn(dev, ++ apply_block_offset(dev, i), ++ &state, &seq); ++ if (state == YAFFS_BLOCK_STATE_DEAD) ++ continue; ++ ++ /* Right kind of block */ ++ dev->checkpt_next_block = tags.obj_id; ++ dev->checkpt_cur_block = i; ++ dev->checkpt_block_list[dev->blocks_in_checkpt] = i; ++ dev->blocks_in_checkpt++; ++ yaffs_trace(YAFFS_TRACE_CHECKPOINT, ++ "found checkpt block %d", i); ++ return; ++ } ++ ++ yaffs_trace(YAFFS_TRACE_CHECKPOINT, "found no more checkpt blocks"); ++ ++ dev->checkpt_next_block = -1; ++ dev->checkpt_cur_block = -1; ++} ++ ++int yaffs2_checkpt_open(struct yaffs_dev *dev, int writing) ++{ ++ int i; ++ ++ dev->checkpt_open_write = writing; ++ ++ /* Got the functions we need? */ ++ if (!dev->tagger.write_chunk_tags_fn || ++ !dev->tagger.read_chunk_tags_fn || ++ !dev->drv.drv_erase_fn || ++ !dev->drv.drv_mark_bad_fn) ++ return 0; ++ ++ if (writing && !yaffs2_checkpt_space_ok(dev)) ++ return 0; ++ ++ if (!dev->checkpt_buffer) ++ dev->checkpt_buffer = ++ kmalloc(dev->param.total_bytes_per_chunk, GFP_NOFS); ++ if (!dev->checkpt_buffer) ++ return 0; ++ ++ dev->checkpt_page_seq = 0; ++ dev->checkpt_byte_count = 0; ++ dev->checkpt_sum = 0; ++ dev->checkpt_xor = 0; ++ dev->checkpt_cur_block = -1; ++ dev->checkpt_cur_chunk = -1; ++ dev->checkpt_next_block = dev->internal_start_block; ++ ++ if (writing) { ++ memset(dev->checkpt_buffer, 0, dev->data_bytes_per_chunk); ++ yaffs2_checkpt_init_chunk_hdr(dev); ++ return yaffs_checkpt_erase(dev); ++ } ++ ++ /* Opening for a read */ ++ /* Set to a value that will kick off a read */ ++ dev->checkpt_byte_offs = dev->data_bytes_per_chunk; ++ /* A checkpoint block list of 1 checkpoint block per 16 block is ++ * (hopefully) going to be way more than we need */ ++ dev->blocks_in_checkpt = 0; ++ dev->checkpt_max_blocks = ++ (dev->internal_end_block - dev->internal_start_block) / 16 + 2; ++ dev->checkpt_block_list = ++ kmalloc(sizeof(int) * dev->checkpt_max_blocks, GFP_NOFS); ++ ++ if (!dev->checkpt_block_list) ++ return 0; ++ ++ for (i = 0; i < dev->checkpt_max_blocks; i++) ++ dev->checkpt_block_list[i] = -1; ++ ++ return 1; ++} ++ ++int yaffs2_get_checkpt_sum(struct yaffs_dev *dev, u32 * sum) ++{ ++ u32 composite_sum; ++ ++ composite_sum = (dev->checkpt_sum << 8) | (dev->checkpt_xor & 0xff); ++ *sum = composite_sum; ++ return 1; ++} ++ ++static int yaffs2_checkpt_flush_buffer(struct yaffs_dev *dev) ++{ ++ int chunk; ++ int offset_chunk; ++ struct yaffs_ext_tags tags; ++ ++ if (dev->checkpt_cur_block < 0) { ++ yaffs2_checkpt_find_erased_block(dev); ++ dev->checkpt_cur_chunk = 0; ++ } ++ ++ if (dev->checkpt_cur_block < 0) ++ return 0; ++ ++ tags.is_deleted = 0; ++ tags.obj_id = dev->checkpt_next_block; /* Hint to next place to look */ ++ tags.chunk_id = dev->checkpt_page_seq + 1; ++ tags.seq_number = YAFFS_SEQUENCE_CHECKPOINT_DATA; ++ tags.n_bytes = dev->data_bytes_per_chunk; ++ if (dev->checkpt_cur_chunk == 0) { ++ /* First chunk we write for the block? Set block state to ++ checkpoint */ ++ struct yaffs_block_info *bi = ++ yaffs_get_block_info(dev, dev->checkpt_cur_block); ++ bi->block_state = YAFFS_BLOCK_STATE_CHECKPOINT; ++ dev->blocks_in_checkpt++; ++ } ++ ++ chunk = ++ dev->checkpt_cur_block * dev->param.chunks_per_block + ++ dev->checkpt_cur_chunk; ++ ++ yaffs_trace(YAFFS_TRACE_CHECKPOINT, ++ "checkpoint wite buffer nand %d(%d:%d) objid %d chId %d", ++ chunk, dev->checkpt_cur_block, dev->checkpt_cur_chunk, ++ tags.obj_id, tags.chunk_id); ++ ++ offset_chunk = apply_chunk_offset(dev, chunk); ++ ++ dev->n_page_writes++; ++ ++ dev->tagger.write_chunk_tags_fn(dev, offset_chunk, ++ dev->checkpt_buffer, &tags); ++ dev->checkpt_page_seq++; ++ dev->checkpt_cur_chunk++; ++ if (dev->checkpt_cur_chunk >= dev->param.chunks_per_block) { ++ dev->checkpt_cur_chunk = 0; ++ dev->checkpt_cur_block = -1; ++ } ++ memset(dev->checkpt_buffer, 0, dev->data_bytes_per_chunk); ++ ++ yaffs2_checkpt_init_chunk_hdr(dev); ++ ++ ++ return 1; ++} ++ ++int yaffs2_checkpt_wr(struct yaffs_dev *dev, const void *data, int n_bytes) ++{ ++ int i = 0; ++ int ok = 1; ++ u8 *data_bytes = (u8 *) data; ++ ++ if (!dev->checkpt_buffer) ++ return 0; ++ ++ if (!dev->checkpt_open_write) ++ return -1; ++ ++ while (i < n_bytes && ok) { ++ dev->checkpt_buffer[dev->checkpt_byte_offs] = *data_bytes; ++ dev->checkpt_sum += *data_bytes; ++ dev->checkpt_xor ^= *data_bytes; ++ ++ dev->checkpt_byte_offs++; ++ i++; ++ data_bytes++; ++ dev->checkpt_byte_count++; ++ ++ if (dev->checkpt_byte_offs < 0 || ++ dev->checkpt_byte_offs >= dev->data_bytes_per_chunk) ++ ok = yaffs2_checkpt_flush_buffer(dev); ++ } ++ ++ return i; ++} ++ ++int yaffs2_checkpt_rd(struct yaffs_dev *dev, void *data, int n_bytes) ++{ ++ int i = 0; ++ int ok = 1; ++ struct yaffs_ext_tags tags; ++ int chunk; ++ int offset_chunk; ++ u8 *data_bytes = (u8 *) data; ++ ++ if (!dev->checkpt_buffer) ++ return 0; ++ ++ if (dev->checkpt_open_write) ++ return -1; ++ ++ while (i < n_bytes && ok) { ++ ++ if (dev->checkpt_byte_offs < 0 || ++ dev->checkpt_byte_offs >= dev->data_bytes_per_chunk) { ++ ++ if (dev->checkpt_cur_block < 0) { ++ yaffs2_checkpt_find_block(dev); ++ dev->checkpt_cur_chunk = 0; ++ } ++ ++ if (dev->checkpt_cur_block < 0) { ++ ok = 0; ++ break; ++ } ++ ++ chunk = dev->checkpt_cur_block * ++ dev->param.chunks_per_block + ++ dev->checkpt_cur_chunk; ++ ++ offset_chunk = apply_chunk_offset(dev, chunk); ++ dev->n_page_reads++; ++ ++ /* read in the next chunk */ ++ dev->tagger.read_chunk_tags_fn(dev, ++ offset_chunk, ++ dev->checkpt_buffer, ++ &tags); ++ ++ if (tags.chunk_id != (dev->checkpt_page_seq + 1) || ++ tags.ecc_result > YAFFS_ECC_RESULT_FIXED || ++ tags.seq_number != YAFFS_SEQUENCE_CHECKPOINT_DATA) { ++ ok = 0; ++ break; ++ } ++ if(!yaffs2_checkpt_check_chunk_hdr(dev)) { ++ ok = 0; ++ break; ++ } ++ ++ dev->checkpt_page_seq++; ++ dev->checkpt_cur_chunk++; ++ ++ if (dev->checkpt_cur_chunk >= ++ dev->param.chunks_per_block) ++ dev->checkpt_cur_block = -1; ++ ++ } ++ ++ *data_bytes = dev->checkpt_buffer[dev->checkpt_byte_offs]; ++ dev->checkpt_sum += *data_bytes; ++ dev->checkpt_xor ^= *data_bytes; ++ dev->checkpt_byte_offs++; ++ i++; ++ data_bytes++; ++ dev->checkpt_byte_count++; ++ } ++ ++ return i; ++} ++ ++int yaffs_checkpt_close(struct yaffs_dev *dev) ++{ ++ int i; ++ ++ if (dev->checkpt_open_write) { ++ if (dev->checkpt_byte_offs != ++ sizeof(sizeof(struct yaffs_checkpt_chunk_hdr))) ++ yaffs2_checkpt_flush_buffer(dev); ++ } else if (dev->checkpt_block_list) { ++ for (i = 0; ++ i < dev->blocks_in_checkpt && ++ dev->checkpt_block_list[i] >= 0; i++) { ++ int blk = dev->checkpt_block_list[i]; ++ struct yaffs_block_info *bi = NULL; ++ ++ if (dev->internal_start_block <= blk && ++ blk <= dev->internal_end_block) ++ bi = yaffs_get_block_info(dev, blk); ++ if (bi && bi->block_state == YAFFS_BLOCK_STATE_EMPTY) ++ bi->block_state = YAFFS_BLOCK_STATE_CHECKPOINT; ++ } ++ kfree(dev->checkpt_block_list); ++ dev->checkpt_block_list = NULL; ++ } ++ ++ dev->n_free_chunks -= ++ dev->blocks_in_checkpt * dev->param.chunks_per_block; ++ dev->n_erased_blocks -= dev->blocks_in_checkpt; ++ ++ yaffs_trace(YAFFS_TRACE_CHECKPOINT, "checkpoint byte count %d", ++ dev->checkpt_byte_count); ++ ++ if (dev->checkpt_buffer) { ++ /* free the buffer */ ++ kfree(dev->checkpt_buffer); ++ dev->checkpt_buffer = NULL; ++ return 1; ++ } else { ++ return 0; ++ } ++} ++ ++int yaffs2_checkpt_invalidate_stream(struct yaffs_dev *dev) ++{ ++ /* Erase the checkpoint data */ ++ ++ yaffs_trace(YAFFS_TRACE_CHECKPOINT, ++ "checkpoint invalidate of %d blocks", ++ dev->blocks_in_checkpt); ++ ++ return yaffs_checkpt_erase(dev); ++} +diff -Nur linux-3.15-rc5.orig/fs/yaffs2/yaffs_checkptrw.h linux-3.15-rc5/fs/yaffs2/yaffs_checkptrw.h +--- linux-3.15-rc5.orig/fs/yaffs2/yaffs_checkptrw.h 1970-01-01 01:00:00.000000000 +0100 ++++ linux-3.15-rc5/fs/yaffs2/yaffs_checkptrw.h 2014-05-17 01:53:27.000000000 +0200 +@@ -0,0 +1,33 @@ ++/* ++ * YAFFS: Yet another Flash File System . A NAND-flash specific file system. ++ * ++ * Copyright (C) 2002-2011 Aleph One Ltd. ++ * for Toby Churchill Ltd and Brightstar Engineering ++ * ++ * Created by Charles Manning ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU Lesser General Public License version 2.1 as ++ * published by the Free Software Foundation. ++ * ++ * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL. ++ */ ++ ++#ifndef __YAFFS_CHECKPTRW_H__ ++#define __YAFFS_CHECKPTRW_H__ ++ ++#include "yaffs_guts.h" ++ ++int yaffs2_checkpt_open(struct yaffs_dev *dev, int writing); ++ ++int yaffs2_checkpt_wr(struct yaffs_dev *dev, const void *data, int n_bytes); ++ ++int yaffs2_checkpt_rd(struct yaffs_dev *dev, void *data, int n_bytes); ++ ++int yaffs2_get_checkpt_sum(struct yaffs_dev *dev, u32 * sum); ++ ++int yaffs_checkpt_close(struct yaffs_dev *dev); ++ ++int yaffs2_checkpt_invalidate_stream(struct yaffs_dev *dev); ++ ++#endif +diff -Nur linux-3.15-rc5.orig/fs/yaffs2/yaffs_ecc.c linux-3.15-rc5/fs/yaffs2/yaffs_ecc.c +--- linux-3.15-rc5.orig/fs/yaffs2/yaffs_ecc.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-3.15-rc5/fs/yaffs2/yaffs_ecc.c 2014-05-17 01:53:27.000000000 +0200 +@@ -0,0 +1,281 @@ ++/* ++ * YAFFS: Yet Another Flash File System. A NAND-flash specific file system. ++ * ++ * Copyright (C) 2002-2011 Aleph One Ltd. ++ * for Toby Churchill Ltd and Brightstar Engineering ++ * ++ * Created by Charles Manning ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License version 2 as ++ * published by the Free Software Foundation. ++ */ ++ ++/* ++ * This code implements the ECC algorithm used in SmartMedia. ++ * ++ * The ECC comprises 22 bits of parity information and is stuffed into 3 bytes. ++ * The two unused bit are set to 1. ++ * The ECC can correct single bit errors in a 256-byte page of data. Thus, two ++ * such ECC blocks are used on a 512-byte NAND page. ++ * ++ */ ++ ++#include "yportenv.h" ++ ++#include "yaffs_ecc.h" ++ ++/* Table generated by gen-ecc.c ++ * Using a table means we do not have to calculate p1..p4 and p1'..p4' ++ * for each byte of data. These are instead provided in a table in bits7..2. ++ * Bit 0 of each entry indicates whether the entry has an odd or even parity, ++ * and therefore this bytes influence on the line parity. ++ */ ++ ++static const unsigned char column_parity_table[] = { ++ 0x00, 0x55, 0x59, 0x0c, 0x65, 0x30, 0x3c, 0x69, ++ 0x69, 0x3c, 0x30, 0x65, 0x0c, 0x59, 0x55, 0x00, ++ 0x95, 0xc0, 0xcc, 0x99, 0xf0, 0xa5, 0xa9, 0xfc, ++ 0xfc, 0xa9, 0xa5, 0xf0, 0x99, 0xcc, 0xc0, 0x95, ++ 0x99, 0xcc, 0xc0, 0x95, 0xfc, 0xa9, 0xa5, 0xf0, ++ 0xf0, 0xa5, 0xa9, 0xfc, 0x95, 0xc0, 0xcc, 0x99, ++ 0x0c, 0x59, 0x55, 0x00, 0x69, 0x3c, 0x30, 0x65, ++ 0x65, 0x30, 0x3c, 0x69, 0x00, 0x55, 0x59, 0x0c, ++ 0xa5, 0xf0, 0xfc, 0xa9, 0xc0, 0x95, 0x99, 0xcc, ++ 0xcc, 0x99, 0x95, 0xc0, 0xa9, 0xfc, 0xf0, 0xa5, ++ 0x30, 0x65, 0x69, 0x3c, 0x55, 0x00, 0x0c, 0x59, ++ 0x59, 0x0c, 0x00, 0x55, 0x3c, 0x69, 0x65, 0x30, ++ 0x3c, 0x69, 0x65, 0x30, 0x59, 0x0c, 0x00, 0x55, ++ 0x55, 0x00, 0x0c, 0x59, 0x30, 0x65, 0x69, 0x3c, ++ 0xa9, 0xfc, 0xf0, 0xa5, 0xcc, 0x99, 0x95, 0xc0, ++ 0xc0, 0x95, 0x99, 0xcc, 0xa5, 0xf0, 0xfc, 0xa9, ++ 0xa9, 0xfc, 0xf0, 0xa5, 0xcc, 0x99, 0x95, 0xc0, ++ 0xc0, 0x95, 0x99, 0xcc, 0xa5, 0xf0, 0xfc, 0xa9, ++ 0x3c, 0x69, 0x65, 0x30, 0x59, 0x0c, 0x00, 0x55, ++ 0x55, 0x00, 0x0c, 0x59, 0x30, 0x65, 0x69, 0x3c, ++ 0x30, 0x65, 0x69, 0x3c, 0x55, 0x00, 0x0c, 0x59, ++ 0x59, 0x0c, 0x00, 0x55, 0x3c, 0x69, 0x65, 0x30, ++ 0xa5, 0xf0, 0xfc, 0xa9, 0xc0, 0x95, 0x99, 0xcc, ++ 0xcc, 0x99, 0x95, 0xc0, 0xa9, 0xfc, 0xf0, 0xa5, ++ 0x0c, 0x59, 0x55, 0x00, 0x69, 0x3c, 0x30, 0x65, ++ 0x65, 0x30, 0x3c, 0x69, 0x00, 0x55, 0x59, 0x0c, ++ 0x99, 0xcc, 0xc0, 0x95, 0xfc, 0xa9, 0xa5, 0xf0, ++ 0xf0, 0xa5, 0xa9, 0xfc, 0x95, 0xc0, 0xcc, 0x99, ++ 0x95, 0xc0, 0xcc, 0x99, 0xf0, 0xa5, 0xa9, 0xfc, ++ 0xfc, 0xa9, 0xa5, 0xf0, 0x99, 0xcc, 0xc0, 0x95, ++ 0x00, 0x55, 0x59, 0x0c, 0x65, 0x30, 0x3c, 0x69, ++ 0x69, 0x3c, 0x30, 0x65, 0x0c, 0x59, 0x55, 0x00, ++}; ++ ++ ++/* Calculate the ECC for a 256-byte block of data */ ++void yaffs_ecc_calc(const unsigned char *data, unsigned char *ecc) ++{ ++ unsigned int i; ++ unsigned char col_parity = 0; ++ unsigned char line_parity = 0; ++ unsigned char line_parity_prime = 0; ++ unsigned char t; ++ unsigned char b; ++ ++ for (i = 0; i < 256; i++) { ++ b = column_parity_table[*data++]; ++ col_parity ^= b; ++ ++ if (b & 0x01) { /* odd number of bits in the byte */ ++ line_parity ^= i; ++ line_parity_prime ^= ~i; ++ } ++ } ++ ++ ecc[2] = (~col_parity) | 0x03; ++ ++ t = 0; ++ if (line_parity & 0x80) ++ t |= 0x80; ++ if (line_parity_prime & 0x80) ++ t |= 0x40; ++ if (line_parity & 0x40) ++ t |= 0x20; ++ if (line_parity_prime & 0x40) ++ t |= 0x10; ++ if (line_parity & 0x20) ++ t |= 0x08; ++ if (line_parity_prime & 0x20) ++ t |= 0x04; ++ if (line_parity & 0x10) ++ t |= 0x02; ++ if (line_parity_prime & 0x10) ++ t |= 0x01; ++ ecc[1] = ~t; ++ ++ t = 0; ++ if (line_parity & 0x08) ++ t |= 0x80; ++ if (line_parity_prime & 0x08) ++ t |= 0x40; ++ if (line_parity & 0x04) ++ t |= 0x20; ++ if (line_parity_prime & 0x04) ++ t |= 0x10; ++ if (line_parity & 0x02) ++ t |= 0x08; ++ if (line_parity_prime & 0x02) ++ t |= 0x04; ++ if (line_parity & 0x01) ++ t |= 0x02; ++ if (line_parity_prime & 0x01) ++ t |= 0x01; ++ ecc[0] = ~t; ++ ++} ++ ++/* Correct the ECC on a 256 byte block of data */ ++ ++int yaffs_ecc_correct(unsigned char *data, unsigned char *read_ecc, ++ const unsigned char *test_ecc) ++{ ++ unsigned char d0, d1, d2; /* deltas */ ++ ++ d0 = read_ecc[0] ^ test_ecc[0]; ++ d1 = read_ecc[1] ^ test_ecc[1]; ++ d2 = read_ecc[2] ^ test_ecc[2]; ++ ++ if ((d0 | d1 | d2) == 0) ++ return 0; /* no error */ ++ ++ if (((d0 ^ (d0 >> 1)) & 0x55) == 0x55 && ++ ((d1 ^ (d1 >> 1)) & 0x55) == 0x55 && ++ ((d2 ^ (d2 >> 1)) & 0x54) == 0x54) { ++ /* Single bit (recoverable) error in data */ ++ ++ unsigned byte; ++ unsigned bit; ++ ++ bit = byte = 0; ++ ++ if (d1 & 0x80) ++ byte |= 0x80; ++ if (d1 & 0x20) ++ byte |= 0x40; ++ if (d1 & 0x08) ++ byte |= 0x20; ++ if (d1 & 0x02) ++ byte |= 0x10; ++ if (d0 & 0x80) ++ byte |= 0x08; ++ if (d0 & 0x20) ++ byte |= 0x04; ++ if (d0 & 0x08) ++ byte |= 0x02; ++ if (d0 & 0x02) ++ byte |= 0x01; ++ ++ if (d2 & 0x80) ++ bit |= 0x04; ++ if (d2 & 0x20) ++ bit |= 0x02; ++ if (d2 & 0x08) ++ bit |= 0x01; ++ ++ data[byte] ^= (1 << bit); ++ ++ return 1; /* Corrected the error */ ++ } ++ ++ if ((hweight8(d0) + hweight8(d1) + hweight8(d2)) == 1) { ++ /* Reccoverable error in ecc */ ++ ++ read_ecc[0] = test_ecc[0]; ++ read_ecc[1] = test_ecc[1]; ++ read_ecc[2] = test_ecc[2]; ++ ++ return 1; /* Corrected the error */ ++ } ++ ++ /* Unrecoverable error */ ++ ++ return -1; ++ ++} ++ ++/* ++ * ECCxxxOther does ECC calcs on arbitrary n bytes of data ++ */ ++void yaffs_ecc_calc_other(const unsigned char *data, unsigned n_bytes, ++ struct yaffs_ecc_other *ecc_other) ++{ ++ unsigned int i; ++ unsigned char col_parity = 0; ++ unsigned line_parity = 0; ++ unsigned line_parity_prime = 0; ++ unsigned char b; ++ ++ for (i = 0; i < n_bytes; i++) { ++ b = column_parity_table[*data++]; ++ col_parity ^= b; ++ ++ if (b & 0x01) { ++ /* odd number of bits in the byte */ ++ line_parity ^= i; ++ line_parity_prime ^= ~i; ++ } ++ ++ } ++ ++ ecc_other->col_parity = (col_parity >> 2) & 0x3f; ++ ecc_other->line_parity = line_parity; ++ ecc_other->line_parity_prime = line_parity_prime; ++} ++ ++int yaffs_ecc_correct_other(unsigned char *data, unsigned n_bytes, ++ struct yaffs_ecc_other *read_ecc, ++ const struct yaffs_ecc_other *test_ecc) ++{ ++ unsigned char delta_col; /* column parity delta */ ++ unsigned delta_line; /* line parity delta */ ++ unsigned delta_line_prime; /* line parity delta */ ++ unsigned bit; ++ ++ delta_col = read_ecc->col_parity ^ test_ecc->col_parity; ++ delta_line = read_ecc->line_parity ^ test_ecc->line_parity; ++ delta_line_prime = ++ read_ecc->line_parity_prime ^ test_ecc->line_parity_prime; ++ ++ if ((delta_col | delta_line | delta_line_prime) == 0) ++ return 0; /* no error */ ++ ++ if (delta_line == ~delta_line_prime && ++ (((delta_col ^ (delta_col >> 1)) & 0x15) == 0x15)) { ++ /* Single bit (recoverable) error in data */ ++ ++ bit = 0; ++ ++ if (delta_col & 0x20) ++ bit |= 0x04; ++ if (delta_col & 0x08) ++ bit |= 0x02; ++ if (delta_col & 0x02) ++ bit |= 0x01; ++ ++ if (delta_line >= n_bytes) ++ return -1; ++ ++ data[delta_line] ^= (1 << bit); ++ ++ return 1; /* corrected */ ++ } ++ ++ if ((hweight32(delta_line) + ++ hweight32(delta_line_prime) + ++ hweight8(delta_col)) == 1) { ++ /* Reccoverable error in ecc */ ++ ++ *read_ecc = *test_ecc; ++ return 1; /* corrected */ ++ } ++ ++ /* Unrecoverable error */ ++ ++ return -1; ++} +diff -Nur linux-3.15-rc5.orig/fs/yaffs2/yaffs_ecc.h linux-3.15-rc5/fs/yaffs2/yaffs_ecc.h +--- linux-3.15-rc5.orig/fs/yaffs2/yaffs_ecc.h 1970-01-01 01:00:00.000000000 +0100 ++++ linux-3.15-rc5/fs/yaffs2/yaffs_ecc.h 2014-05-17 01:53:27.000000000 +0200 +@@ -0,0 +1,44 @@ ++/* ++ * YAFFS: Yet another Flash File System . A NAND-flash specific file system. ++ * ++ * Copyright (C) 2002-2011 Aleph One Ltd. ++ * for Toby Churchill Ltd and Brightstar Engineering ++ * ++ * Created by Charles Manning ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU Lesser General Public License version 2.1 as ++ * published by the Free Software Foundation. ++ * ++ * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL. ++ */ ++ ++/* ++ * This code implements the ECC algorithm used in SmartMedia. ++ * ++ * The ECC comprises 22 bits of parity information and is stuffed into 3 bytes. ++ * The two unused bit are set to 1. ++ * The ECC can correct single bit errors in a 256-byte page of data. ++ * Thus, two such ECC blocks are used on a 512-byte NAND page. ++ * ++ */ ++ ++#ifndef __YAFFS_ECC_H__ ++#define __YAFFS_ECC_H__ ++ ++struct yaffs_ecc_other { ++ unsigned char col_parity; ++ unsigned line_parity; ++ unsigned line_parity_prime; ++}; ++ ++void yaffs_ecc_calc(const unsigned char *data, unsigned char *ecc); ++int yaffs_ecc_correct(unsigned char *data, unsigned char *read_ecc, ++ const unsigned char *test_ecc); ++ ++void yaffs_ecc_calc_other(const unsigned char *data, unsigned n_bytes, ++ struct yaffs_ecc_other *ecc); ++int yaffs_ecc_correct_other(unsigned char *data, unsigned n_bytes, ++ struct yaffs_ecc_other *read_ecc, ++ const struct yaffs_ecc_other *test_ecc); ++#endif +diff -Nur linux-3.15-rc5.orig/fs/yaffs2/yaffs_getblockinfo.h linux-3.15-rc5/fs/yaffs2/yaffs_getblockinfo.h +--- linux-3.15-rc5.orig/fs/yaffs2/yaffs_getblockinfo.h 1970-01-01 01:00:00.000000000 +0100 ++++ linux-3.15-rc5/fs/yaffs2/yaffs_getblockinfo.h 2014-05-17 01:53:27.000000000 +0200 +@@ -0,0 +1,35 @@ ++/* ++ * YAFFS: Yet another Flash File System . A NAND-flash specific file system. ++ * ++ * Copyright (C) 2002-2011 Aleph One Ltd. ++ * for Toby Churchill Ltd and Brightstar Engineering ++ * ++ * Created by Charles Manning ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU Lesser General Public License version 2.1 as ++ * published by the Free Software Foundation. ++ * ++ * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL. ++ */ ++ ++#ifndef __YAFFS_GETBLOCKINFO_H__ ++#define __YAFFS_GETBLOCKINFO_H__ ++ ++#include "yaffs_guts.h" ++#include "yaffs_trace.h" ++ ++/* Function to manipulate block info */ ++static inline struct yaffs_block_info *yaffs_get_block_info(struct yaffs_dev ++ *dev, int blk) ++{ ++ if (blk < dev->internal_start_block || blk > dev->internal_end_block) { ++ yaffs_trace(YAFFS_TRACE_ERROR, ++ "**>> yaffs: get_block_info block %d is not valid", ++ blk); ++ BUG(); ++ } ++ return &dev->block_info[blk - dev->internal_start_block]; ++} ++ ++#endif +diff -Nur linux-3.15-rc5.orig/fs/yaffs2/yaffs_guts.c linux-3.15-rc5/fs/yaffs2/yaffs_guts.c +--- linux-3.15-rc5.orig/fs/yaffs2/yaffs_guts.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-3.15-rc5/fs/yaffs2/yaffs_guts.c 2014-05-17 01:53:27.000000000 +0200 +@@ -0,0 +1,5146 @@ ++/* ++ * YAFFS: Yet Another Flash File System. A NAND-flash specific file system. ++ * ++ * Copyright (C) 2002-2011 Aleph One Ltd. ++ * for Toby Churchill Ltd and Brightstar Engineering ++ * ++ * Created by Charles Manning ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License version 2 as ++ * published by the Free Software Foundation. ++ */ ++ ++#include "yportenv.h" ++#include "yaffs_trace.h" ++ ++#include "yaffs_guts.h" ++#include "yaffs_getblockinfo.h" ++#include "yaffs_tagscompat.h" ++#include "yaffs_tagsmarshall.h" ++#include "yaffs_nand.h" ++#include "yaffs_yaffs1.h" ++#include "yaffs_yaffs2.h" ++#include "yaffs_bitmap.h" ++#include "yaffs_verify.h" ++#include "yaffs_nand.h" ++#include "yaffs_packedtags2.h" ++#include "yaffs_nameval.h" ++#include "yaffs_allocator.h" ++#include "yaffs_attribs.h" ++#include "yaffs_summary.h" ++ ++/* Note YAFFS_GC_GOOD_ENOUGH must be <= YAFFS_GC_PASSIVE_THRESHOLD */ ++#define YAFFS_GC_GOOD_ENOUGH 2 ++#define YAFFS_GC_PASSIVE_THRESHOLD 4 ++ ++#include "yaffs_ecc.h" ++ ++/* Forward declarations */ ++ ++static int yaffs_wr_data_obj(struct yaffs_obj *in, int inode_chunk, ++ const u8 *buffer, int n_bytes, int use_reserve); ++ ++static void yaffs_fix_null_name(struct yaffs_obj *obj, YCHAR *name, ++ int buffer_size); ++ ++/* Function to calculate chunk and offset */ ++ ++void yaffs_addr_to_chunk(struct yaffs_dev *dev, loff_t addr, ++ int *chunk_out, u32 *offset_out) ++{ ++ int chunk; ++ u32 offset; ++ ++ chunk = (u32) (addr >> dev->chunk_shift); ++ ++ if (dev->chunk_div == 1) { ++ /* easy power of 2 case */ ++ offset = (u32) (addr & dev->chunk_mask); ++ } else { ++ /* Non power-of-2 case */ ++ ++ loff_t chunk_base; ++ ++ chunk /= dev->chunk_div; ++ ++ chunk_base = ((loff_t) chunk) * dev->data_bytes_per_chunk; ++ offset = (u32) (addr - chunk_base); ++ } ++ ++ *chunk_out = chunk; ++ *offset_out = offset; ++} ++ ++/* Function to return the number of shifts for a power of 2 greater than or ++ * equal to the given number ++ * Note we don't try to cater for all possible numbers and this does not have to ++ * be hellishly efficient. ++ */ ++ ++static inline u32 calc_shifts_ceiling(u32 x) ++{ ++ int extra_bits; ++ int shifts; ++ ++ shifts = extra_bits = 0; ++ ++ while (x > 1) { ++ if (x & 1) ++ extra_bits++; ++ x >>= 1; ++ shifts++; ++ } ++ ++ if (extra_bits) ++ shifts++; ++ ++ return shifts; ++} ++ ++/* Function to return the number of shifts to get a 1 in bit 0 ++ */ ++ ++static inline u32 calc_shifts(u32 x) ++{ ++ u32 shifts; ++ ++ shifts = 0; ++ ++ if (!x) ++ return 0; ++ ++ while (!(x & 1)) { ++ x >>= 1; ++ shifts++; ++ } ++ ++ return shifts; ++} ++ ++/* ++ * Temporary buffer manipulations. ++ */ ++ ++static int yaffs_init_tmp_buffers(struct yaffs_dev *dev) ++{ ++ int i; ++ u8 *buf = (u8 *) 1; ++ ++ memset(dev->temp_buffer, 0, sizeof(dev->temp_buffer)); ++ ++ for (i = 0; buf && i < YAFFS_N_TEMP_BUFFERS; i++) { ++ dev->temp_buffer[i].in_use = 0; ++ buf = kmalloc(dev->param.total_bytes_per_chunk, GFP_NOFS); ++ dev->temp_buffer[i].buffer = buf; ++ } ++ ++ return buf ? YAFFS_OK : YAFFS_FAIL; ++} ++ ++u8 *yaffs_get_temp_buffer(struct yaffs_dev * dev) ++{ ++ int i; ++ ++ dev->temp_in_use++; ++ if (dev->temp_in_use > dev->max_temp) ++ dev->max_temp = dev->temp_in_use; ++ ++ for (i = 0; i < YAFFS_N_TEMP_BUFFERS; i++) { ++ if (dev->temp_buffer[i].in_use == 0) { ++ dev->temp_buffer[i].in_use = 1; ++ return dev->temp_buffer[i].buffer; ++ } ++ } ++ ++ yaffs_trace(YAFFS_TRACE_BUFFERS, "Out of temp buffers"); ++ /* ++ * If we got here then we have to allocate an unmanaged one ++ * This is not good. ++ */ ++ ++ dev->unmanaged_buffer_allocs++; ++ return kmalloc(dev->data_bytes_per_chunk, GFP_NOFS); ++ ++} ++ ++void yaffs_release_temp_buffer(struct yaffs_dev *dev, u8 *buffer) ++{ ++ int i; ++ ++ dev->temp_in_use--; ++ ++ for (i = 0; i < YAFFS_N_TEMP_BUFFERS; i++) { ++ if (dev->temp_buffer[i].buffer == buffer) { ++ dev->temp_buffer[i].in_use = 0; ++ return; ++ } ++ } ++ ++ if (buffer) { ++ /* assume it is an unmanaged one. */ ++ yaffs_trace(YAFFS_TRACE_BUFFERS, ++ "Releasing unmanaged temp buffer"); ++ kfree(buffer); ++ dev->unmanaged_buffer_deallocs++; ++ } ++ ++} ++ ++/* ++ * Functions for robustisizing TODO ++ * ++ */ ++ ++static void yaffs_handle_chunk_wr_ok(struct yaffs_dev *dev, int nand_chunk, ++ const u8 *data, ++ const struct yaffs_ext_tags *tags) ++{ ++ (void) dev; ++ (void) nand_chunk; ++ (void) data; ++ (void) tags; ++} ++ ++static void yaffs_handle_chunk_update(struct yaffs_dev *dev, int nand_chunk, ++ const struct yaffs_ext_tags *tags) ++{ ++ (void) dev; ++ (void) nand_chunk; ++ (void) tags; ++} ++ ++void yaffs_handle_chunk_error(struct yaffs_dev *dev, ++ struct yaffs_block_info *bi) ++{ ++ if (!bi->gc_prioritise) { ++ bi->gc_prioritise = 1; ++ dev->has_pending_prioritised_gc = 1; ++ bi->chunk_error_strikes++; ++ ++ if (bi->chunk_error_strikes > 3) { ++ bi->needs_retiring = 1; /* Too many stikes, so retire */ ++ yaffs_trace(YAFFS_TRACE_ALWAYS, ++ "yaffs: Block struck out"); ++ ++ } ++ } ++} ++ ++static void yaffs_handle_chunk_wr_error(struct yaffs_dev *dev, int nand_chunk, ++ int erased_ok) ++{ ++ int flash_block = nand_chunk / dev->param.chunks_per_block; ++ struct yaffs_block_info *bi = yaffs_get_block_info(dev, flash_block); ++ ++ yaffs_handle_chunk_error(dev, bi); ++ ++ if (erased_ok) { ++ /* Was an actual write failure, ++ * so mark the block for retirement.*/ ++ bi->needs_retiring = 1; ++ yaffs_trace(YAFFS_TRACE_ERROR | YAFFS_TRACE_BAD_BLOCKS, ++ "**>> Block %d needs retiring", flash_block); ++ } ++ ++ /* Delete the chunk */ ++ yaffs_chunk_del(dev, nand_chunk, 1, __LINE__); ++ yaffs_skip_rest_of_block(dev); ++} ++ ++/* ++ * Verification code ++ */ ++ ++/* ++ * Simple hash function. Needs to have a reasonable spread ++ */ ++ ++static inline int yaffs_hash_fn(int n) ++{ ++ if (n < 0) ++ n = -n; ++ return n % YAFFS_NOBJECT_BUCKETS; ++} ++ ++/* ++ * Access functions to useful fake objects. ++ * Note that root might have a presence in NAND if permissions are set. ++ */ ++ ++struct yaffs_obj *yaffs_root(struct yaffs_dev *dev) ++{ ++ return dev->root_dir; ++} ++ ++struct yaffs_obj *yaffs_lost_n_found(struct yaffs_dev *dev) ++{ ++ return dev->lost_n_found; ++} ++ ++/* ++ * Erased NAND checking functions ++ */ ++ ++int yaffs_check_ff(u8 *buffer, int n_bytes) ++{ ++ /* Horrible, slow implementation */ ++ while (n_bytes--) { ++ if (*buffer != 0xff) ++ return 0; ++ buffer++; ++ } ++ return 1; ++} ++ ++static int yaffs_check_chunk_erased(struct yaffs_dev *dev, int nand_chunk) ++{ ++ int retval = YAFFS_OK; ++ u8 *data = yaffs_get_temp_buffer(dev); ++ struct yaffs_ext_tags tags; ++ int result; ++ ++ result = yaffs_rd_chunk_tags_nand(dev, nand_chunk, data, &tags); ++ ++ if (tags.ecc_result > YAFFS_ECC_RESULT_NO_ERROR) ++ retval = YAFFS_FAIL; ++ ++ if (!yaffs_check_ff(data, dev->data_bytes_per_chunk) || ++ tags.chunk_used) { ++ yaffs_trace(YAFFS_TRACE_NANDACCESS, ++ "Chunk %d not erased", nand_chunk); ++ retval = YAFFS_FAIL; ++ } ++ ++ yaffs_release_temp_buffer(dev, data); ++ ++ return retval; ++ ++} ++ ++static int yaffs_verify_chunk_written(struct yaffs_dev *dev, ++ int nand_chunk, ++ const u8 *data, ++ struct yaffs_ext_tags *tags) ++{ ++ int retval = YAFFS_OK; ++ struct yaffs_ext_tags temp_tags; ++ u8 *buffer = yaffs_get_temp_buffer(dev); ++ int result; ++ ++ result = yaffs_rd_chunk_tags_nand(dev, nand_chunk, buffer, &temp_tags); ++ if (memcmp(buffer, data, dev->data_bytes_per_chunk) || ++ temp_tags.obj_id != tags->obj_id || ++ temp_tags.chunk_id != tags->chunk_id || ++ temp_tags.n_bytes != tags->n_bytes) ++ retval = YAFFS_FAIL; ++ ++ yaffs_release_temp_buffer(dev, buffer); ++ ++ return retval; ++} ++ ++ ++int yaffs_check_alloc_available(struct yaffs_dev *dev, int n_chunks) ++{ ++ int reserved_chunks; ++ int reserved_blocks = dev->param.n_reserved_blocks; ++ int checkpt_blocks; ++ ++ checkpt_blocks = yaffs_calc_checkpt_blocks_required(dev); ++ ++ reserved_chunks = ++ (reserved_blocks + checkpt_blocks) * dev->param.chunks_per_block; ++ ++ return (dev->n_free_chunks > (reserved_chunks + n_chunks)); ++} ++ ++static int yaffs_find_alloc_block(struct yaffs_dev *dev) ++{ ++ int i; ++ struct yaffs_block_info *bi; ++ ++ if (dev->n_erased_blocks < 1) { ++ /* Hoosterman we've got a problem. ++ * Can't get space to gc ++ */ ++ yaffs_trace(YAFFS_TRACE_ERROR, ++ "yaffs tragedy: no more erased blocks"); ++ ++ return -1; ++ } ++ ++ /* Find an empty block. */ ++ ++ for (i = dev->internal_start_block; i <= dev->internal_end_block; i++) { ++ dev->alloc_block_finder++; ++ if (dev->alloc_block_finder < dev->internal_start_block ++ || dev->alloc_block_finder > dev->internal_end_block) { ++ dev->alloc_block_finder = dev->internal_start_block; ++ } ++ ++ bi = yaffs_get_block_info(dev, dev->alloc_block_finder); ++ ++ if (bi->block_state == YAFFS_BLOCK_STATE_EMPTY) { ++ bi->block_state = YAFFS_BLOCK_STATE_ALLOCATING; ++ dev->seq_number++; ++ bi->seq_number = dev->seq_number; ++ dev->n_erased_blocks--; ++ yaffs_trace(YAFFS_TRACE_ALLOCATE, ++ "Allocated block %d, seq %d, %d left" , ++ dev->alloc_block_finder, dev->seq_number, ++ dev->n_erased_blocks); ++ return dev->alloc_block_finder; ++ } ++ } ++ ++ yaffs_trace(YAFFS_TRACE_ALWAYS, ++ "yaffs tragedy: no more erased blocks, but there should have been %d", ++ dev->n_erased_blocks); ++ ++ return -1; ++} ++ ++static int yaffs_alloc_chunk(struct yaffs_dev *dev, int use_reserver, ++ struct yaffs_block_info **block_ptr) ++{ ++ int ret_val; ++ struct yaffs_block_info *bi; ++ ++ if (dev->alloc_block < 0) { ++ /* Get next block to allocate off */ ++ dev->alloc_block = yaffs_find_alloc_block(dev); ++ dev->alloc_page = 0; ++ } ++ ++ if (!use_reserver && !yaffs_check_alloc_available(dev, 1)) { ++ /* No space unless we're allowed to use the reserve. */ ++ return -1; ++ } ++ ++ if (dev->n_erased_blocks < dev->param.n_reserved_blocks ++ && dev->alloc_page == 0) ++ yaffs_trace(YAFFS_TRACE_ALLOCATE, "Allocating reserve"); ++ ++ /* Next page please.... */ ++ if (dev->alloc_block >= 0) { ++ bi = yaffs_get_block_info(dev, dev->alloc_block); ++ ++ ret_val = (dev->alloc_block * dev->param.chunks_per_block) + ++ dev->alloc_page; ++ bi->pages_in_use++; ++ yaffs_set_chunk_bit(dev, dev->alloc_block, dev->alloc_page); ++ ++ dev->alloc_page++; ++ ++ dev->n_free_chunks--; ++ ++ /* If the block is full set the state to full */ ++ if (dev->alloc_page >= dev->param.chunks_per_block) { ++ bi->block_state = YAFFS_BLOCK_STATE_FULL; ++ dev->alloc_block = -1; ++ } ++ ++ if (block_ptr) ++ *block_ptr = bi; ++ ++ return ret_val; ++ } ++ ++ yaffs_trace(YAFFS_TRACE_ERROR, ++ "!!!!!!!!! Allocator out !!!!!!!!!!!!!!!!!"); ++ ++ return -1; ++} ++ ++static int yaffs_get_erased_chunks(struct yaffs_dev *dev) ++{ ++ int n; ++ ++ n = dev->n_erased_blocks * dev->param.chunks_per_block; ++ ++ if (dev->alloc_block > 0) ++ n += (dev->param.chunks_per_block - dev->alloc_page); ++ ++ return n; ++ ++} ++ ++/* ++ * yaffs_skip_rest_of_block() skips over the rest of the allocation block ++ * if we don't want to write to it. ++ */ ++void yaffs_skip_rest_of_block(struct yaffs_dev *dev) ++{ ++ struct yaffs_block_info *bi; ++ ++ if (dev->alloc_block > 0) { ++ bi = yaffs_get_block_info(dev, dev->alloc_block); ++ if (bi->block_state == YAFFS_BLOCK_STATE_ALLOCATING) { ++ bi->block_state = YAFFS_BLOCK_STATE_FULL; ++ dev->alloc_block = -1; ++ } ++ } ++} ++ ++static int yaffs_write_new_chunk(struct yaffs_dev *dev, ++ const u8 *data, ++ struct yaffs_ext_tags *tags, int use_reserver) ++{ ++ int attempts = 0; ++ int write_ok = 0; ++ int chunk; ++ ++ yaffs2_checkpt_invalidate(dev); ++ ++ do { ++ struct yaffs_block_info *bi = 0; ++ int erased_ok = 0; ++ ++ chunk = yaffs_alloc_chunk(dev, use_reserver, &bi); ++ if (chunk < 0) { ++ /* no space */ ++ break; ++ } ++ ++ /* First check this chunk is erased, if it needs ++ * checking. The checking policy (unless forced ++ * always on) is as follows: ++ * ++ * Check the first page we try to write in a block. ++ * If the check passes then we don't need to check any ++ * more. If the check fails, we check again... ++ * If the block has been erased, we don't need to check. ++ * ++ * However, if the block has been prioritised for gc, ++ * then we think there might be something odd about ++ * this block and stop using it. ++ * ++ * Rationale: We should only ever see chunks that have ++ * not been erased if there was a partially written ++ * chunk due to power loss. This checking policy should ++ * catch that case with very few checks and thus save a ++ * lot of checks that are most likely not needed. ++ * ++ * Mods to the above ++ * If an erase check fails or the write fails we skip the ++ * rest of the block. ++ */ ++ ++ /* let's give it a try */ ++ attempts++; ++ ++ if (dev->param.always_check_erased) ++ bi->skip_erased_check = 0; ++ ++ if (!bi->skip_erased_check) { ++ erased_ok = yaffs_check_chunk_erased(dev, chunk); ++ if (erased_ok != YAFFS_OK) { ++ yaffs_trace(YAFFS_TRACE_ERROR, ++ "**>> yaffs chunk %d was not erased", ++ chunk); ++ ++ /* If not erased, delete this one, ++ * skip rest of block and ++ * try another chunk */ ++ yaffs_chunk_del(dev, chunk, 1, __LINE__); ++ yaffs_skip_rest_of_block(dev); ++ continue; ++ } ++ } ++ ++ write_ok = yaffs_wr_chunk_tags_nand(dev, chunk, data, tags); ++ ++ if (!bi->skip_erased_check) ++ write_ok = ++ yaffs_verify_chunk_written(dev, chunk, data, tags); ++ ++ if (write_ok != YAFFS_OK) { ++ /* Clean up aborted write, skip to next block and ++ * try another chunk */ ++ yaffs_handle_chunk_wr_error(dev, chunk, erased_ok); ++ continue; ++ } ++ ++ bi->skip_erased_check = 1; ++ ++ /* Copy the data into the robustification buffer */ ++ yaffs_handle_chunk_wr_ok(dev, chunk, data, tags); ++ ++ } while (write_ok != YAFFS_OK && ++ (yaffs_wr_attempts <= 0 || attempts <= yaffs_wr_attempts)); ++ ++ if (!write_ok) ++ chunk = -1; ++ ++ if (attempts > 1) { ++ yaffs_trace(YAFFS_TRACE_ERROR, ++ "**>> yaffs write required %d attempts", ++ attempts); ++ dev->n_retried_writes += (attempts - 1); ++ } ++ ++ return chunk; ++} ++ ++/* ++ * Block retiring for handling a broken block. ++ */ ++ ++static void yaffs_retire_block(struct yaffs_dev *dev, int flash_block) ++{ ++ struct yaffs_block_info *bi = yaffs_get_block_info(dev, flash_block); ++ ++ yaffs2_checkpt_invalidate(dev); ++ ++ yaffs2_clear_oldest_dirty_seq(dev, bi); ++ ++ if (yaffs_mark_bad(dev, flash_block) != YAFFS_OK) { ++ if (yaffs_erase_block(dev, flash_block) != YAFFS_OK) { ++ yaffs_trace(YAFFS_TRACE_ALWAYS, ++ "yaffs: Failed to mark bad and erase block %d", ++ flash_block); ++ } else { ++ struct yaffs_ext_tags tags; ++ int chunk_id = ++ flash_block * dev->param.chunks_per_block; ++ ++ u8 *buffer = yaffs_get_temp_buffer(dev); ++ ++ memset(buffer, 0xff, dev->data_bytes_per_chunk); ++ memset(&tags, 0, sizeof(tags)); ++ tags.seq_number = YAFFS_SEQUENCE_BAD_BLOCK; ++ if (dev->tagger.write_chunk_tags_fn(dev, chunk_id - ++ dev->chunk_offset, ++ buffer, ++ &tags) != YAFFS_OK) ++ yaffs_trace(YAFFS_TRACE_ALWAYS, ++ "yaffs: Failed to write bad block marker to block %d", ++ flash_block); ++ ++ yaffs_release_temp_buffer(dev, buffer); ++ } ++ } ++ ++ bi->block_state = YAFFS_BLOCK_STATE_DEAD; ++ bi->gc_prioritise = 0; ++ bi->needs_retiring = 0; ++ ++ dev->n_retired_blocks++; ++} ++ ++/*---------------- Name handling functions ------------*/ ++ ++static u16 yaffs_calc_name_sum(const YCHAR *name) ++{ ++ u16 sum = 0; ++ u16 i = 1; ++ ++ if (!name) ++ return 0; ++ ++ while ((*name) && i < (YAFFS_MAX_NAME_LENGTH / 2)) { ++ ++ /* 0x1f mask is case insensitive */ ++ sum += ((*name) & 0x1f) * i; ++ i++; ++ name++; ++ } ++ return sum; ++} ++ ++ ++void yaffs_set_obj_name(struct yaffs_obj *obj, const YCHAR * name) ++{ ++ memset(obj->short_name, 0, sizeof(obj->short_name)); ++ ++ if (name && !name[0]) { ++ yaffs_fix_null_name(obj, obj->short_name, ++ YAFFS_SHORT_NAME_LENGTH); ++ name = obj->short_name; ++ } else if (name && ++ strnlen(name, YAFFS_SHORT_NAME_LENGTH + 1) <= ++ YAFFS_SHORT_NAME_LENGTH) { ++ strcpy(obj->short_name, name); ++ } ++ ++ obj->sum = yaffs_calc_name_sum(name); ++} ++ ++void yaffs_set_obj_name_from_oh(struct yaffs_obj *obj, ++ const struct yaffs_obj_hdr *oh) ++{ ++#ifdef CONFIG_YAFFS_AUTO_UNICODE ++ YCHAR tmp_name[YAFFS_MAX_NAME_LENGTH + 1]; ++ memset(tmp_name, 0, sizeof(tmp_name)); ++ yaffs_load_name_from_oh(obj->my_dev, tmp_name, oh->name, ++ YAFFS_MAX_NAME_LENGTH + 1); ++ yaffs_set_obj_name(obj, tmp_name); ++#else ++ yaffs_set_obj_name(obj, oh->name); ++#endif ++} ++ ++loff_t yaffs_max_file_size(struct yaffs_dev *dev) ++{ ++ if(sizeof(loff_t) < 8) ++ return YAFFS_MAX_FILE_SIZE_32; ++ else ++ return ((loff_t) YAFFS_MAX_CHUNK_ID) * dev->data_bytes_per_chunk; ++} ++ ++/*-------------------- TNODES ------------------- ++ ++ * List of spare tnodes ++ * The list is hooked together using the first pointer ++ * in the tnode. ++ */ ++ ++struct yaffs_tnode *yaffs_get_tnode(struct yaffs_dev *dev) ++{ ++ struct yaffs_tnode *tn = yaffs_alloc_raw_tnode(dev); ++ ++ if (tn) { ++ memset(tn, 0, dev->tnode_size); ++ dev->n_tnodes++; ++ } ++ ++ dev->checkpoint_blocks_required = 0; /* force recalculation */ ++ ++ return tn; ++} ++ ++/* FreeTnode frees up a tnode and puts it back on the free list */ ++static void yaffs_free_tnode(struct yaffs_dev *dev, struct yaffs_tnode *tn) ++{ ++ yaffs_free_raw_tnode(dev, tn); ++ dev->n_tnodes--; ++ dev->checkpoint_blocks_required = 0; /* force recalculation */ ++} ++ ++static void yaffs_deinit_tnodes_and_objs(struct yaffs_dev *dev) ++{ ++ yaffs_deinit_raw_tnodes_and_objs(dev); ++ dev->n_obj = 0; ++ dev->n_tnodes = 0; ++} ++ ++static void yaffs_load_tnode_0(struct yaffs_dev *dev, struct yaffs_tnode *tn, ++ unsigned pos, unsigned val) ++{ ++ u32 *map = (u32 *) tn; ++ u32 bit_in_map; ++ u32 bit_in_word; ++ u32 word_in_map; ++ u32 mask; ++ ++ pos &= YAFFS_TNODES_LEVEL0_MASK; ++ val >>= dev->chunk_grp_bits; ++ ++ bit_in_map = pos * dev->tnode_width; ++ word_in_map = bit_in_map / 32; ++ bit_in_word = bit_in_map & (32 - 1); ++ ++ mask = dev->tnode_mask << bit_in_word; ++ ++ map[word_in_map] &= ~mask; ++ map[word_in_map] |= (mask & (val << bit_in_word)); ++ ++ if (dev->tnode_width > (32 - bit_in_word)) { ++ bit_in_word = (32 - bit_in_word); ++ word_in_map++; ++ mask = ++ dev->tnode_mask >> bit_in_word; ++ map[word_in_map] &= ~mask; ++ map[word_in_map] |= (mask & (val >> bit_in_word)); ++ } ++} ++ ++u32 yaffs_get_group_base(struct yaffs_dev *dev, struct yaffs_tnode *tn, ++ unsigned pos) ++{ ++ u32 *map = (u32 *) tn; ++ u32 bit_in_map; ++ u32 bit_in_word; ++ u32 word_in_map; ++ u32 val; ++ ++ pos &= YAFFS_TNODES_LEVEL0_MASK; ++ ++ bit_in_map = pos * dev->tnode_width; ++ word_in_map = bit_in_map / 32; ++ bit_in_word = bit_in_map & (32 - 1); ++ ++ val = map[word_in_map] >> bit_in_word; ++ ++ if (dev->tnode_width > (32 - bit_in_word)) { ++ bit_in_word = (32 - bit_in_word); ++ word_in_map++; ++ val |= (map[word_in_map] << bit_in_word); ++ } ++ ++ val &= dev->tnode_mask; ++ val <<= dev->chunk_grp_bits; ++ ++ return val; ++} ++ ++/* ------------------- End of individual tnode manipulation -----------------*/ ++ ++/* ---------Functions to manipulate the look-up tree (made up of tnodes) ------ ++ * The look up tree is represented by the top tnode and the number of top_level ++ * in the tree. 0 means only the level 0 tnode is in the tree. ++ */ ++ ++/* FindLevel0Tnode finds the level 0 tnode, if one exists. */ ++struct yaffs_tnode *yaffs_find_tnode_0(struct yaffs_dev *dev, ++ struct yaffs_file_var *file_struct, ++ u32 chunk_id) ++{ ++ struct yaffs_tnode *tn = file_struct->top; ++ u32 i; ++ int required_depth; ++ int level = file_struct->top_level; ++ ++ (void) dev; ++ ++ /* Check sane level and chunk Id */ ++ if (level < 0 || level > YAFFS_TNODES_MAX_LEVEL) ++ return NULL; ++ ++ if (chunk_id > YAFFS_MAX_CHUNK_ID) ++ return NULL; ++ ++ /* First check we're tall enough (ie enough top_level) */ ++ ++ i = chunk_id >> YAFFS_TNODES_LEVEL0_BITS; ++ required_depth = 0; ++ while (i) { ++ i >>= YAFFS_TNODES_INTERNAL_BITS; ++ required_depth++; ++ } ++ ++ if (required_depth > file_struct->top_level) ++ return NULL; /* Not tall enough, so we can't find it */ ++ ++ /* Traverse down to level 0 */ ++ while (level > 0 && tn) { ++ tn = tn->internal[(chunk_id >> ++ (YAFFS_TNODES_LEVEL0_BITS + ++ (level - 1) * ++ YAFFS_TNODES_INTERNAL_BITS)) & ++ YAFFS_TNODES_INTERNAL_MASK]; ++ level--; ++ } ++ ++ return tn; ++} ++ ++/* add_find_tnode_0 finds the level 0 tnode if it exists, ++ * otherwise first expands the tree. ++ * This happens in two steps: ++ * 1. If the tree isn't tall enough, then make it taller. ++ * 2. Scan down the tree towards the level 0 tnode adding tnodes if required. ++ * ++ * Used when modifying the tree. ++ * ++ * If the tn argument is NULL, then a fresh tnode will be added otherwise the ++ * specified tn will be plugged into the ttree. ++ */ ++ ++struct yaffs_tnode *yaffs_add_find_tnode_0(struct yaffs_dev *dev, ++ struct yaffs_file_var *file_struct, ++ u32 chunk_id, ++ struct yaffs_tnode *passed_tn) ++{ ++ int required_depth; ++ int i; ++ int l; ++ struct yaffs_tnode *tn; ++ u32 x; ++ ++ /* Check sane level and page Id */ ++ if (file_struct->top_level < 0 || ++ file_struct->top_level > YAFFS_TNODES_MAX_LEVEL) ++ return NULL; ++ ++ if (chunk_id > YAFFS_MAX_CHUNK_ID) ++ return NULL; ++ ++ /* First check we're tall enough (ie enough top_level) */ ++ ++ x = chunk_id >> YAFFS_TNODES_LEVEL0_BITS; ++ required_depth = 0; ++ while (x) { ++ x >>= YAFFS_TNODES_INTERNAL_BITS; ++ required_depth++; ++ } ++ ++ if (required_depth > file_struct->top_level) { ++ /* Not tall enough, gotta make the tree taller */ ++ for (i = file_struct->top_level; i < required_depth; i++) { ++ ++ tn = yaffs_get_tnode(dev); ++ ++ if (tn) { ++ tn->internal[0] = file_struct->top; ++ file_struct->top = tn; ++ file_struct->top_level++; ++ } else { ++ yaffs_trace(YAFFS_TRACE_ERROR, ++ "yaffs: no more tnodes"); ++ return NULL; ++ } ++ } ++ } ++ ++ /* Traverse down to level 0, adding anything we need */ ++ ++ l = file_struct->top_level; ++ tn = file_struct->top; ++ ++ if (l > 0) { ++ while (l > 0 && tn) { ++ x = (chunk_id >> ++ (YAFFS_TNODES_LEVEL0_BITS + ++ (l - 1) * YAFFS_TNODES_INTERNAL_BITS)) & ++ YAFFS_TNODES_INTERNAL_MASK; ++ ++ if ((l > 1) && !tn->internal[x]) { ++ /* Add missing non-level-zero tnode */ ++ tn->internal[x] = yaffs_get_tnode(dev); ++ if (!tn->internal[x]) ++ return NULL; ++ } else if (l == 1) { ++ /* Looking from level 1 at level 0 */ ++ if (passed_tn) { ++ /* If we already have one, release it */ ++ if (tn->internal[x]) ++ yaffs_free_tnode(dev, ++ tn->internal[x]); ++ tn->internal[x] = passed_tn; ++ ++ } else if (!tn->internal[x]) { ++ /* Don't have one, none passed in */ ++ tn->internal[x] = yaffs_get_tnode(dev); ++ if (!tn->internal[x]) ++ return NULL; ++ } ++ } ++ ++ tn = tn->internal[x]; ++ l--; ++ } ++ } else { ++ /* top is level 0 */ ++ if (passed_tn) { ++ memcpy(tn, passed_tn, ++ (dev->tnode_width * YAFFS_NTNODES_LEVEL0) / 8); ++ yaffs_free_tnode(dev, passed_tn); ++ } ++ } ++ ++ return tn; ++} ++ ++static int yaffs_tags_match(const struct yaffs_ext_tags *tags, int obj_id, ++ int chunk_obj) ++{ ++ return (tags->chunk_id == chunk_obj && ++ tags->obj_id == obj_id && ++ !tags->is_deleted) ? 1 : 0; ++ ++} ++ ++static int yaffs_find_chunk_in_group(struct yaffs_dev *dev, int the_chunk, ++ struct yaffs_ext_tags *tags, int obj_id, ++ int inode_chunk) ++{ ++ int j; ++ ++ for (j = 0; the_chunk && j < dev->chunk_grp_size; j++) { ++ if (yaffs_check_chunk_bit ++ (dev, the_chunk / dev->param.chunks_per_block, ++ the_chunk % dev->param.chunks_per_block)) { ++ ++ if (dev->chunk_grp_size == 1) ++ return the_chunk; ++ else { ++ yaffs_rd_chunk_tags_nand(dev, the_chunk, NULL, ++ tags); ++ if (yaffs_tags_match(tags, ++ obj_id, inode_chunk)) { ++ /* found it; */ ++ return the_chunk; ++ } ++ } ++ } ++ the_chunk++; ++ } ++ return -1; ++} ++ ++int yaffs_find_chunk_in_file(struct yaffs_obj *in, int inode_chunk, ++ struct yaffs_ext_tags *tags) ++{ ++ /*Get the Tnode, then get the level 0 offset chunk offset */ ++ struct yaffs_tnode *tn; ++ int the_chunk = -1; ++ struct yaffs_ext_tags local_tags; ++ int ret_val = -1; ++ struct yaffs_dev *dev = in->my_dev; ++ ++ if (!tags) { ++ /* Passed a NULL, so use our own tags space */ ++ tags = &local_tags; ++ } ++ ++ tn = yaffs_find_tnode_0(dev, &in->variant.file_variant, inode_chunk); ++ ++ if (!tn) ++ return ret_val; ++ ++ the_chunk = yaffs_get_group_base(dev, tn, inode_chunk); ++ ++ ret_val = yaffs_find_chunk_in_group(dev, the_chunk, tags, in->obj_id, ++ inode_chunk); ++ return ret_val; ++} ++ ++static int yaffs_find_del_file_chunk(struct yaffs_obj *in, int inode_chunk, ++ struct yaffs_ext_tags *tags) ++{ ++ /* Get the Tnode, then get the level 0 offset chunk offset */ ++ struct yaffs_tnode *tn; ++ int the_chunk = -1; ++ struct yaffs_ext_tags local_tags; ++ struct yaffs_dev *dev = in->my_dev; ++ int ret_val = -1; ++ ++ if (!tags) { ++ /* Passed a NULL, so use our own tags space */ ++ tags = &local_tags; ++ } ++ ++ tn = yaffs_find_tnode_0(dev, &in->variant.file_variant, inode_chunk); ++ ++ if (!tn) ++ return ret_val; ++ ++ the_chunk = yaffs_get_group_base(dev, tn, inode_chunk); ++ ++ ret_val = yaffs_find_chunk_in_group(dev, the_chunk, tags, in->obj_id, ++ inode_chunk); ++ ++ /* Delete the entry in the filestructure (if found) */ ++ if (ret_val != -1) ++ yaffs_load_tnode_0(dev, tn, inode_chunk, 0); ++ ++ return ret_val; ++} ++ ++int yaffs_put_chunk_in_file(struct yaffs_obj *in, int inode_chunk, ++ int nand_chunk, int in_scan) ++{ ++ /* NB in_scan is zero unless scanning. ++ * For forward scanning, in_scan is > 0; ++ * for backward scanning in_scan is < 0 ++ * ++ * nand_chunk = 0 is a dummy insert to make sure the tnodes are there. ++ */ ++ ++ struct yaffs_tnode *tn; ++ struct yaffs_dev *dev = in->my_dev; ++ int existing_cunk; ++ struct yaffs_ext_tags existing_tags; ++ struct yaffs_ext_tags new_tags; ++ unsigned existing_serial, new_serial; ++ ++ if (in->variant_type != YAFFS_OBJECT_TYPE_FILE) { ++ /* Just ignore an attempt at putting a chunk into a non-file ++ * during scanning. ++ * If it is not during Scanning then something went wrong! ++ */ ++ if (!in_scan) { ++ yaffs_trace(YAFFS_TRACE_ERROR, ++ "yaffs tragedy:attempt to put data chunk into a non-file" ++ ); ++ BUG(); ++ } ++ ++ yaffs_chunk_del(dev, nand_chunk, 1, __LINE__); ++ return YAFFS_OK; ++ } ++ ++ tn = yaffs_add_find_tnode_0(dev, ++ &in->variant.file_variant, ++ inode_chunk, NULL); ++ if (!tn) ++ return YAFFS_FAIL; ++ ++ if (!nand_chunk) ++ /* Dummy insert, bail now */ ++ return YAFFS_OK; ++ ++ existing_cunk = yaffs_get_group_base(dev, tn, inode_chunk); ++ ++ if (in_scan != 0) { ++ /* If we're scanning then we need to test for duplicates ++ * NB This does not need to be efficient since it should only ++ * happen when the power fails during a write, then only one ++ * chunk should ever be affected. ++ * ++ * Correction for YAFFS2: This could happen quite a lot and we ++ * need to think about efficiency! TODO ++ * Update: For backward scanning we don't need to re-read tags ++ * so this is quite cheap. ++ */ ++ ++ if (existing_cunk > 0) { ++ /* NB Right now existing chunk will not be real ++ * chunk_id if the chunk group size > 1 ++ * thus we have to do a FindChunkInFile to get the ++ * real chunk id. ++ * ++ * We have a duplicate now we need to decide which ++ * one to use: ++ * ++ * Backwards scanning YAFFS2: The old one is what ++ * we use, dump the new one. ++ * YAFFS1: Get both sets of tags and compare serial ++ * numbers. ++ */ ++ ++ if (in_scan > 0) { ++ /* Only do this for forward scanning */ ++ yaffs_rd_chunk_tags_nand(dev, ++ nand_chunk, ++ NULL, &new_tags); ++ ++ /* Do a proper find */ ++ existing_cunk = ++ yaffs_find_chunk_in_file(in, inode_chunk, ++ &existing_tags); ++ } ++ ++ if (existing_cunk <= 0) { ++ /*Hoosterman - how did this happen? */ ++ ++ yaffs_trace(YAFFS_TRACE_ERROR, ++ "yaffs tragedy: existing chunk < 0 in scan" ++ ); ++ ++ } ++ ++ /* NB The deleted flags should be false, otherwise ++ * the chunks will not be loaded during a scan ++ */ ++ ++ if (in_scan > 0) { ++ new_serial = new_tags.serial_number; ++ existing_serial = existing_tags.serial_number; ++ } ++ ++ if ((in_scan > 0) && ++ (existing_cunk <= 0 || ++ ((existing_serial + 1) & 3) == new_serial)) { ++ /* Forward scanning. ++ * Use new ++ * Delete the old one and drop through to ++ * update the tnode ++ */ ++ yaffs_chunk_del(dev, existing_cunk, 1, ++ __LINE__); ++ } else { ++ /* Backward scanning or we want to use the ++ * existing one ++ * Delete the new one and return early so that ++ * the tnode isn't changed ++ */ ++ yaffs_chunk_del(dev, nand_chunk, 1, __LINE__); ++ return YAFFS_OK; ++ } ++ } ++ ++ } ++ ++ if (existing_cunk == 0) ++ in->n_data_chunks++; ++ ++ yaffs_load_tnode_0(dev, tn, inode_chunk, nand_chunk); ++ ++ return YAFFS_OK; ++} ++ ++static void yaffs_soft_del_chunk(struct yaffs_dev *dev, int chunk) ++{ ++ struct yaffs_block_info *the_block; ++ unsigned block_no; ++ ++ yaffs_trace(YAFFS_TRACE_DELETION, "soft delete chunk %d", chunk); ++ ++ block_no = chunk / dev->param.chunks_per_block; ++ the_block = yaffs_get_block_info(dev, block_no); ++ if (the_block) { ++ the_block->soft_del_pages++; ++ dev->n_free_chunks++; ++ yaffs2_update_oldest_dirty_seq(dev, block_no, the_block); ++ } ++} ++ ++/* SoftDeleteWorker scans backwards through the tnode tree and soft deletes all ++ * the chunks in the file. ++ * All soft deleting does is increment the block's softdelete count and pulls ++ * the chunk out of the tnode. ++ * Thus, essentially this is the same as DeleteWorker except that the chunks ++ * are soft deleted. ++ */ ++ ++static int yaffs_soft_del_worker(struct yaffs_obj *in, struct yaffs_tnode *tn, ++ u32 level, int chunk_offset) ++{ ++ int i; ++ int the_chunk; ++ int all_done = 1; ++ struct yaffs_dev *dev = in->my_dev; ++ ++ if (!tn) ++ return 1; ++ ++ if (level > 0) { ++ for (i = YAFFS_NTNODES_INTERNAL - 1; ++ all_done && i >= 0; ++ i--) { ++ if (tn->internal[i]) { ++ all_done = ++ yaffs_soft_del_worker(in, ++ tn->internal[i], ++ level - 1, ++ (chunk_offset << ++ YAFFS_TNODES_INTERNAL_BITS) ++ + i); ++ if (all_done) { ++ yaffs_free_tnode(dev, ++ tn->internal[i]); ++ tn->internal[i] = NULL; ++ } else { ++ /* Can this happen? */ ++ } ++ } ++ } ++ return (all_done) ? 1 : 0; ++ } ++ ++ /* level 0 */ ++ for (i = YAFFS_NTNODES_LEVEL0 - 1; i >= 0; i--) { ++ the_chunk = yaffs_get_group_base(dev, tn, i); ++ if (the_chunk) { ++ yaffs_soft_del_chunk(dev, the_chunk); ++ yaffs_load_tnode_0(dev, tn, i, 0); ++ } ++ } ++ return 1; ++} ++ ++static void yaffs_remove_obj_from_dir(struct yaffs_obj *obj) ++{ ++ struct yaffs_dev *dev = obj->my_dev; ++ struct yaffs_obj *parent; ++ ++ yaffs_verify_obj_in_dir(obj); ++ parent = obj->parent; ++ ++ yaffs_verify_dir(parent); ++ ++ if (dev && dev->param.remove_obj_fn) ++ dev->param.remove_obj_fn(obj); ++ ++ list_del_init(&obj->siblings); ++ obj->parent = NULL; ++ ++ yaffs_verify_dir(parent); ++} ++ ++void yaffs_add_obj_to_dir(struct yaffs_obj *directory, struct yaffs_obj *obj) ++{ ++ if (!directory) { ++ yaffs_trace(YAFFS_TRACE_ALWAYS, ++ "tragedy: Trying to add an object to a null pointer directory" ++ ); ++ BUG(); ++ return; ++ } ++ if (directory->variant_type != YAFFS_OBJECT_TYPE_DIRECTORY) { ++ yaffs_trace(YAFFS_TRACE_ALWAYS, ++ "tragedy: Trying to add an object to a non-directory" ++ ); ++ BUG(); ++ } ++ ++ if (obj->siblings.prev == NULL) { ++ /* Not initialised */ ++ BUG(); ++ } ++ ++ yaffs_verify_dir(directory); ++ ++ yaffs_remove_obj_from_dir(obj); ++ ++ /* Now add it */ ++ list_add(&obj->siblings, &directory->variant.dir_variant.children); ++ obj->parent = directory; ++ ++ if (directory == obj->my_dev->unlinked_dir ++ || directory == obj->my_dev->del_dir) { ++ obj->unlinked = 1; ++ obj->my_dev->n_unlinked_files++; ++ obj->rename_allowed = 0; ++ } ++ ++ yaffs_verify_dir(directory); ++ yaffs_verify_obj_in_dir(obj); ++} ++ ++static int yaffs_change_obj_name(struct yaffs_obj *obj, ++ struct yaffs_obj *new_dir, ++ const YCHAR *new_name, int force, int shadows) ++{ ++ int unlink_op; ++ int del_op; ++ struct yaffs_obj *existing_target; ++ ++ if (new_dir == NULL) ++ new_dir = obj->parent; /* use the old directory */ ++ ++ if (new_dir->variant_type != YAFFS_OBJECT_TYPE_DIRECTORY) { ++ yaffs_trace(YAFFS_TRACE_ALWAYS, ++ "tragedy: yaffs_change_obj_name: new_dir is not a directory" ++ ); ++ BUG(); ++ } ++ ++ unlink_op = (new_dir == obj->my_dev->unlinked_dir); ++ del_op = (new_dir == obj->my_dev->del_dir); ++ ++ existing_target = yaffs_find_by_name(new_dir, new_name); ++ ++ /* If the object is a file going into the unlinked directory, ++ * then it is OK to just stuff it in since duplicate names are OK. ++ * else only proceed if the new name does not exist and we're putting ++ * it into a directory. ++ */ ++ if (!(unlink_op || del_op || force || ++ shadows > 0 || !existing_target) || ++ new_dir->variant_type != YAFFS_OBJECT_TYPE_DIRECTORY) ++ return YAFFS_FAIL; ++ ++ yaffs_set_obj_name(obj, new_name); ++ obj->dirty = 1; ++ yaffs_add_obj_to_dir(new_dir, obj); ++ ++ if (unlink_op) ++ obj->unlinked = 1; ++ ++ /* If it is a deletion then we mark it as a shrink for gc */ ++ if (yaffs_update_oh(obj, new_name, 0, del_op, shadows, NULL) >= 0) ++ return YAFFS_OK; ++ ++ return YAFFS_FAIL; ++} ++ ++/*------------------------ Short Operations Cache ------------------------------ ++ * In many situations where there is no high level buffering a lot of ++ * reads might be short sequential reads, and a lot of writes may be short ++ * sequential writes. eg. scanning/writing a jpeg file. ++ * In these cases, a short read/write cache can provide a huge perfomance ++ * benefit with dumb-as-a-rock code. ++ * In Linux, the page cache provides read buffering and the short op cache ++ * provides write buffering. ++ * ++ * There are a small number (~10) of cache chunks per device so that we don't ++ * need a very intelligent search. ++ */ ++ ++static int yaffs_obj_cache_dirty(struct yaffs_obj *obj) ++{ ++ struct yaffs_dev *dev = obj->my_dev; ++ int i; ++ struct yaffs_cache *cache; ++ int n_caches = obj->my_dev->param.n_caches; ++ ++ for (i = 0; i < n_caches; i++) { ++ cache = &dev->cache[i]; ++ if (cache->object == obj && cache->dirty) ++ return 1; ++ } ++ ++ return 0; ++} ++ ++static void yaffs_flush_file_cache(struct yaffs_obj *obj) ++{ ++ struct yaffs_dev *dev = obj->my_dev; ++ int lowest = -99; /* Stop compiler whining. */ ++ int i; ++ struct yaffs_cache *cache; ++ int chunk_written = 0; ++ int n_caches = obj->my_dev->param.n_caches; ++ ++ if (n_caches < 1) ++ return; ++ do { ++ cache = NULL; ++ ++ /* Find the lowest dirty chunk for this object */ ++ for (i = 0; i < n_caches; i++) { ++ if (dev->cache[i].object == obj && ++ dev->cache[i].dirty) { ++ if (!cache || ++ dev->cache[i].chunk_id < lowest) { ++ cache = &dev->cache[i]; ++ lowest = cache->chunk_id; ++ } ++ } ++ } ++ ++ if (cache && !cache->locked) { ++ /* Write it out and free it up */ ++ chunk_written = ++ yaffs_wr_data_obj(cache->object, ++ cache->chunk_id, ++ cache->data, ++ cache->n_bytes, 1); ++ cache->dirty = 0; ++ cache->object = NULL; ++ } ++ } while (cache && chunk_written > 0); ++ ++ if (cache) ++ /* Hoosterman, disk full while writing cache out. */ ++ yaffs_trace(YAFFS_TRACE_ERROR, ++ "yaffs tragedy: no space during cache write"); ++} ++ ++/*yaffs_flush_whole_cache(dev) ++ * ++ * ++ */ ++ ++void yaffs_flush_whole_cache(struct yaffs_dev *dev) ++{ ++ struct yaffs_obj *obj; ++ int n_caches = dev->param.n_caches; ++ int i; ++ ++ /* Find a dirty object in the cache and flush it... ++ * until there are no further dirty objects. ++ */ ++ do { ++ obj = NULL; ++ for (i = 0; i < n_caches && !obj; i++) { ++ if (dev->cache[i].object && dev->cache[i].dirty) ++ obj = dev->cache[i].object; ++ } ++ if (obj) ++ yaffs_flush_file_cache(obj); ++ } while (obj); ++ ++} ++ ++/* Grab us a cache chunk for use. ++ * First look for an empty one. ++ * Then look for the least recently used non-dirty one. ++ * Then look for the least recently used dirty one...., flush and look again. ++ */ ++static struct yaffs_cache *yaffs_grab_chunk_worker(struct yaffs_dev *dev) ++{ ++ int i; ++ ++ if (dev->param.n_caches > 0) { ++ for (i = 0; i < dev->param.n_caches; i++) { ++ if (!dev->cache[i].object) ++ return &dev->cache[i]; ++ } ++ } ++ return NULL; ++} ++ ++static struct yaffs_cache *yaffs_grab_chunk_cache(struct yaffs_dev *dev) ++{ ++ struct yaffs_cache *cache; ++ struct yaffs_obj *the_obj; ++ int usage; ++ int i; ++ int pushout; ++ ++ if (dev->param.n_caches < 1) ++ return NULL; ++ ++ /* Try find a non-dirty one... */ ++ ++ cache = yaffs_grab_chunk_worker(dev); ++ ++ if (!cache) { ++ /* They were all dirty, find the LRU object and flush ++ * its cache, then find again. ++ * NB what's here is not very accurate, ++ * we actually flush the object with the LRU chunk. ++ */ ++ ++ /* With locking we can't assume we can use entry zero, ++ * Set the_obj to a valid pointer for Coverity. */ ++ the_obj = dev->cache[0].object; ++ usage = -1; ++ cache = NULL; ++ pushout = -1; ++ ++ for (i = 0; i < dev->param.n_caches; i++) { ++ if (dev->cache[i].object && ++ !dev->cache[i].locked && ++ (dev->cache[i].last_use < usage || ++ !cache)) { ++ usage = dev->cache[i].last_use; ++ the_obj = dev->cache[i].object; ++ cache = &dev->cache[i]; ++ pushout = i; ++ } ++ } ++ ++ if (!cache || cache->dirty) { ++ /* Flush and try again */ ++ yaffs_flush_file_cache(the_obj); ++ cache = yaffs_grab_chunk_worker(dev); ++ } ++ } ++ return cache; ++} ++ ++/* Find a cached chunk */ ++static struct yaffs_cache *yaffs_find_chunk_cache(const struct yaffs_obj *obj, ++ int chunk_id) ++{ ++ struct yaffs_dev *dev = obj->my_dev; ++ int i; ++ ++ if (dev->param.n_caches < 1) ++ return NULL; ++ ++ for (i = 0; i < dev->param.n_caches; i++) { ++ if (dev->cache[i].object == obj && ++ dev->cache[i].chunk_id == chunk_id) { ++ dev->cache_hits++; ++ ++ return &dev->cache[i]; ++ } ++ } ++ return NULL; ++} ++ ++/* Mark the chunk for the least recently used algorithym */ ++static void yaffs_use_cache(struct yaffs_dev *dev, struct yaffs_cache *cache, ++ int is_write) ++{ ++ int i; ++ ++ if (dev->param.n_caches < 1) ++ return; ++ ++ if (dev->cache_last_use < 0 || ++ dev->cache_last_use > 100000000) { ++ /* Reset the cache usages */ ++ for (i = 1; i < dev->param.n_caches; i++) ++ dev->cache[i].last_use = 0; ++ ++ dev->cache_last_use = 0; ++ } ++ dev->cache_last_use++; ++ cache->last_use = dev->cache_last_use; ++ ++ if (is_write) ++ cache->dirty = 1; ++} ++ ++/* Invalidate a single cache page. ++ * Do this when a whole page gets written, ++ * ie the short cache for this page is no longer valid. ++ */ ++static void yaffs_invalidate_chunk_cache(struct yaffs_obj *object, int chunk_id) ++{ ++ struct yaffs_cache *cache; ++ ++ if (object->my_dev->param.n_caches > 0) { ++ cache = yaffs_find_chunk_cache(object, chunk_id); ++ ++ if (cache) ++ cache->object = NULL; ++ } ++} ++ ++/* Invalidate all the cache pages associated with this object ++ * Do this whenever ther file is deleted or resized. ++ */ ++static void yaffs_invalidate_whole_cache(struct yaffs_obj *in) ++{ ++ int i; ++ struct yaffs_dev *dev = in->my_dev; ++ ++ if (dev->param.n_caches > 0) { ++ /* Invalidate it. */ ++ for (i = 0; i < dev->param.n_caches; i++) { ++ if (dev->cache[i].object == in) ++ dev->cache[i].object = NULL; ++ } ++ } ++} ++ ++static void yaffs_unhash_obj(struct yaffs_obj *obj) ++{ ++ int bucket; ++ struct yaffs_dev *dev = obj->my_dev; ++ ++ /* If it is still linked into the bucket list, free from the list */ ++ if (!list_empty(&obj->hash_link)) { ++ list_del_init(&obj->hash_link); ++ bucket = yaffs_hash_fn(obj->obj_id); ++ dev->obj_bucket[bucket].count--; ++ } ++} ++ ++/* FreeObject frees up a Object and puts it back on the free list */ ++static void yaffs_free_obj(struct yaffs_obj *obj) ++{ ++ struct yaffs_dev *dev; ++ ++ if (!obj) { ++ BUG(); ++ return; ++ } ++ dev = obj->my_dev; ++ yaffs_trace(YAFFS_TRACE_OS, "FreeObject %p inode %p", ++ obj, obj->my_inode); ++ if (obj->parent) ++ BUG(); ++ if (!list_empty(&obj->siblings)) ++ BUG(); ++ ++ if (obj->my_inode) { ++ /* We're still hooked up to a cached inode. ++ * Don't delete now, but mark for later deletion ++ */ ++ obj->defered_free = 1; ++ return; ++ } ++ ++ yaffs_unhash_obj(obj); ++ ++ yaffs_free_raw_obj(dev, obj); ++ dev->n_obj--; ++ dev->checkpoint_blocks_required = 0; /* force recalculation */ ++} ++ ++void yaffs_handle_defered_free(struct yaffs_obj *obj) ++{ ++ if (obj->defered_free) ++ yaffs_free_obj(obj); ++} ++ ++static int yaffs_generic_obj_del(struct yaffs_obj *in) ++{ ++ /* Iinvalidate the file's data in the cache, without flushing. */ ++ yaffs_invalidate_whole_cache(in); ++ ++ if (in->my_dev->param.is_yaffs2 && in->parent != in->my_dev->del_dir) { ++ /* Move to unlinked directory so we have a deletion record */ ++ yaffs_change_obj_name(in, in->my_dev->del_dir, _Y("deleted"), 0, ++ 0); ++ } ++ ++ yaffs_remove_obj_from_dir(in); ++ yaffs_chunk_del(in->my_dev, in->hdr_chunk, 1, __LINE__); ++ in->hdr_chunk = 0; ++ ++ yaffs_free_obj(in); ++ return YAFFS_OK; ++ ++} ++ ++static void yaffs_soft_del_file(struct yaffs_obj *obj) ++{ ++ if (!obj->deleted || ++ obj->variant_type != YAFFS_OBJECT_TYPE_FILE || ++ obj->soft_del) ++ return; ++ ++ if (obj->n_data_chunks <= 0) { ++ /* Empty file with no duplicate object headers, ++ * just delete it immediately */ ++ yaffs_free_tnode(obj->my_dev, obj->variant.file_variant.top); ++ obj->variant.file_variant.top = NULL; ++ yaffs_trace(YAFFS_TRACE_TRACING, ++ "yaffs: Deleting empty file %d", ++ obj->obj_id); ++ yaffs_generic_obj_del(obj); ++ } else { ++ yaffs_soft_del_worker(obj, ++ obj->variant.file_variant.top, ++ obj->variant. ++ file_variant.top_level, 0); ++ obj->soft_del = 1; ++ } ++} ++ ++/* Pruning removes any part of the file structure tree that is beyond the ++ * bounds of the file (ie that does not point to chunks). ++ * ++ * A file should only get pruned when its size is reduced. ++ * ++ * Before pruning, the chunks must be pulled from the tree and the ++ * level 0 tnode entries must be zeroed out. ++ * Could also use this for file deletion, but that's probably better handled ++ * by a special case. ++ * ++ * This function is recursive. For levels > 0 the function is called again on ++ * any sub-tree. For level == 0 we just check if the sub-tree has data. ++ * If there is no data in a subtree then it is pruned. ++ */ ++ ++static struct yaffs_tnode *yaffs_prune_worker(struct yaffs_dev *dev, ++ struct yaffs_tnode *tn, u32 level, ++ int del0) ++{ ++ int i; ++ int has_data; ++ ++ if (!tn) ++ return tn; ++ ++ has_data = 0; ++ ++ if (level > 0) { ++ for (i = 0; i < YAFFS_NTNODES_INTERNAL; i++) { ++ if (tn->internal[i]) { ++ tn->internal[i] = ++ yaffs_prune_worker(dev, ++ tn->internal[i], ++ level - 1, ++ (i == 0) ? del0 : 1); ++ } ++ ++ if (tn->internal[i]) ++ has_data++; ++ } ++ } else { ++ int tnode_size_u32 = dev->tnode_size / sizeof(u32); ++ u32 *map = (u32 *) tn; ++ ++ for (i = 0; !has_data && i < tnode_size_u32; i++) { ++ if (map[i]) ++ has_data++; ++ } ++ } ++ ++ if (has_data == 0 && del0) { ++ /* Free and return NULL */ ++ yaffs_free_tnode(dev, tn); ++ tn = NULL; ++ } ++ return tn; ++} ++ ++static int yaffs_prune_tree(struct yaffs_dev *dev, ++ struct yaffs_file_var *file_struct) ++{ ++ int i; ++ int has_data; ++ int done = 0; ++ struct yaffs_tnode *tn; ++ ++ if (file_struct->top_level < 1) ++ return YAFFS_OK; ++ ++ file_struct->top = ++ yaffs_prune_worker(dev, file_struct->top, file_struct->top_level, 0); ++ ++ /* Now we have a tree with all the non-zero branches NULL but ++ * the height is the same as it was. ++ * Let's see if we can trim internal tnodes to shorten the tree. ++ * We can do this if only the 0th element in the tnode is in use ++ * (ie all the non-zero are NULL) ++ */ ++ ++ while (file_struct->top_level && !done) { ++ tn = file_struct->top; ++ ++ has_data = 0; ++ for (i = 1; i < YAFFS_NTNODES_INTERNAL; i++) { ++ if (tn->internal[i]) ++ has_data++; ++ } ++ ++ if (!has_data) { ++ file_struct->top = tn->internal[0]; ++ file_struct->top_level--; ++ yaffs_free_tnode(dev, tn); ++ } else { ++ done = 1; ++ } ++ } ++ ++ return YAFFS_OK; ++} ++ ++/*-------------------- End of File Structure functions.-------------------*/ ++ ++/* alloc_empty_obj gets us a clean Object.*/ ++static struct yaffs_obj *yaffs_alloc_empty_obj(struct yaffs_dev *dev) ++{ ++ struct yaffs_obj *obj = yaffs_alloc_raw_obj(dev); ++ ++ if (!obj) ++ return obj; ++ ++ dev->n_obj++; ++ ++ /* Now sweeten it up... */ ++ ++ memset(obj, 0, sizeof(struct yaffs_obj)); ++ obj->being_created = 1; ++ ++ obj->my_dev = dev; ++ obj->hdr_chunk = 0; ++ obj->variant_type = YAFFS_OBJECT_TYPE_UNKNOWN; ++ INIT_LIST_HEAD(&(obj->hard_links)); ++ INIT_LIST_HEAD(&(obj->hash_link)); ++ INIT_LIST_HEAD(&obj->siblings); ++ ++ /* Now make the directory sane */ ++ if (dev->root_dir) { ++ obj->parent = dev->root_dir; ++ list_add(&(obj->siblings), ++ &dev->root_dir->variant.dir_variant.children); ++ } ++ ++ /* Add it to the lost and found directory. ++ * NB Can't put root or lost-n-found in lost-n-found so ++ * check if lost-n-found exists first ++ */ ++ if (dev->lost_n_found) ++ yaffs_add_obj_to_dir(dev->lost_n_found, obj); ++ ++ obj->being_created = 0; ++ ++ dev->checkpoint_blocks_required = 0; /* force recalculation */ ++ ++ return obj; ++} ++ ++static int yaffs_find_nice_bucket(struct yaffs_dev *dev) ++{ ++ int i; ++ int l = 999; ++ int lowest = 999999; ++ ++ /* Search for the shortest list or one that ++ * isn't too long. ++ */ ++ ++ for (i = 0; i < 10 && lowest > 4; i++) { ++ dev->bucket_finder++; ++ dev->bucket_finder %= YAFFS_NOBJECT_BUCKETS; ++ if (dev->obj_bucket[dev->bucket_finder].count < lowest) { ++ lowest = dev->obj_bucket[dev->bucket_finder].count; ++ l = dev->bucket_finder; ++ } ++ } ++ ++ return l; ++} ++ ++static int yaffs_new_obj_id(struct yaffs_dev *dev) ++{ ++ int bucket = yaffs_find_nice_bucket(dev); ++ int found = 0; ++ struct list_head *i; ++ u32 n = (u32) bucket; ++ ++ /* Now find an object value that has not already been taken ++ * by scanning the list. ++ */ ++ ++ while (!found) { ++ found = 1; ++ n += YAFFS_NOBJECT_BUCKETS; ++ if (1 || dev->obj_bucket[bucket].count > 0) { ++ list_for_each(i, &dev->obj_bucket[bucket].list) { ++ /* If there is already one in the list */ ++ if (i && list_entry(i, struct yaffs_obj, ++ hash_link)->obj_id == n) { ++ found = 0; ++ } ++ } ++ } ++ } ++ return n; ++} ++ ++static void yaffs_hash_obj(struct yaffs_obj *in) ++{ ++ int bucket = yaffs_hash_fn(in->obj_id); ++ struct yaffs_dev *dev = in->my_dev; ++ ++ list_add(&in->hash_link, &dev->obj_bucket[bucket].list); ++ dev->obj_bucket[bucket].count++; ++} ++ ++struct yaffs_obj *yaffs_find_by_number(struct yaffs_dev *dev, u32 number) ++{ ++ int bucket = yaffs_hash_fn(number); ++ struct list_head *i; ++ struct yaffs_obj *in; ++ ++ list_for_each(i, &dev->obj_bucket[bucket].list) { ++ /* Look if it is in the list */ ++ in = list_entry(i, struct yaffs_obj, hash_link); ++ if (in->obj_id == number) { ++ /* Don't show if it is defered free */ ++ if (in->defered_free) ++ return NULL; ++ return in; ++ } ++ } ++ ++ return NULL; ++} ++ ++static struct yaffs_obj *yaffs_new_obj(struct yaffs_dev *dev, int number, ++ enum yaffs_obj_type type) ++{ ++ struct yaffs_obj *the_obj = NULL; ++ struct yaffs_tnode *tn = NULL; ++ ++ if (number < 0) ++ number = yaffs_new_obj_id(dev); ++ ++ if (type == YAFFS_OBJECT_TYPE_FILE) { ++ tn = yaffs_get_tnode(dev); ++ if (!tn) ++ return NULL; ++ } ++ ++ the_obj = yaffs_alloc_empty_obj(dev); ++ if (!the_obj) { ++ if (tn) ++ yaffs_free_tnode(dev, tn); ++ return NULL; ++ } ++ ++ the_obj->fake = 0; ++ the_obj->rename_allowed = 1; ++ the_obj->unlink_allowed = 1; ++ the_obj->obj_id = number; ++ yaffs_hash_obj(the_obj); ++ the_obj->variant_type = type; ++ yaffs_load_current_time(the_obj, 1, 1); ++ ++ switch (type) { ++ case YAFFS_OBJECT_TYPE_FILE: ++ the_obj->variant.file_variant.file_size = 0; ++ the_obj->variant.file_variant.scanned_size = 0; ++ the_obj->variant.file_variant.shrink_size = ++ yaffs_max_file_size(dev); ++ the_obj->variant.file_variant.top_level = 0; ++ the_obj->variant.file_variant.top = tn; ++ break; ++ case YAFFS_OBJECT_TYPE_DIRECTORY: ++ INIT_LIST_HEAD(&the_obj->variant.dir_variant.children); ++ INIT_LIST_HEAD(&the_obj->variant.dir_variant.dirty); ++ break; ++ case YAFFS_OBJECT_TYPE_SYMLINK: ++ case YAFFS_OBJECT_TYPE_HARDLINK: ++ case YAFFS_OBJECT_TYPE_SPECIAL: ++ /* No action required */ ++ break; ++ case YAFFS_OBJECT_TYPE_UNKNOWN: ++ /* todo this should not happen */ ++ break; ++ } ++ return the_obj; ++} ++ ++static struct yaffs_obj *yaffs_create_fake_dir(struct yaffs_dev *dev, ++ int number, u32 mode) ++{ ++ ++ struct yaffs_obj *obj = ++ yaffs_new_obj(dev, number, YAFFS_OBJECT_TYPE_DIRECTORY); ++ ++ if (!obj) ++ return NULL; ++ ++ obj->fake = 1; /* it is fake so it might not use NAND */ ++ obj->rename_allowed = 0; ++ obj->unlink_allowed = 0; ++ obj->deleted = 0; ++ obj->unlinked = 0; ++ obj->yst_mode = mode; ++ obj->my_dev = dev; ++ obj->hdr_chunk = 0; /* Not a valid chunk. */ ++ return obj; ++ ++} ++ ++ ++static void yaffs_init_tnodes_and_objs(struct yaffs_dev *dev) ++{ ++ int i; ++ ++ dev->n_obj = 0; ++ dev->n_tnodes = 0; ++ yaffs_init_raw_tnodes_and_objs(dev); ++ ++ for (i = 0; i < YAFFS_NOBJECT_BUCKETS; i++) { ++ INIT_LIST_HEAD(&dev->obj_bucket[i].list); ++ dev->obj_bucket[i].count = 0; ++ } ++} ++ ++struct yaffs_obj *yaffs_find_or_create_by_number(struct yaffs_dev *dev, ++ int number, ++ enum yaffs_obj_type type) ++{ ++ struct yaffs_obj *the_obj = NULL; ++ ++ if (number > 0) ++ the_obj = yaffs_find_by_number(dev, number); ++ ++ if (!the_obj) ++ the_obj = yaffs_new_obj(dev, number, type); ++ ++ return the_obj; ++ ++} ++ ++YCHAR *yaffs_clone_str(const YCHAR *str) ++{ ++ YCHAR *new_str = NULL; ++ int len; ++ ++ if (!str) ++ str = _Y(""); ++ ++ len = strnlen(str, YAFFS_MAX_ALIAS_LENGTH); ++ new_str = kmalloc((len + 1) * sizeof(YCHAR), GFP_NOFS); ++ if (new_str) { ++ strncpy(new_str, str, len); ++ new_str[len] = 0; ++ } ++ return new_str; ++ ++} ++/* ++ *yaffs_update_parent() handles fixing a directories mtime and ctime when a new ++ * link (ie. name) is created or deleted in the directory. ++ * ++ * ie. ++ * create dir/a : update dir's mtime/ctime ++ * rm dir/a: update dir's mtime/ctime ++ * modify dir/a: don't update dir's mtimme/ctime ++ * ++ * This can be handled immediately or defered. Defering helps reduce the number ++ * of updates when many files in a directory are changed within a brief period. ++ * ++ * If the directory updating is defered then yaffs_update_dirty_dirs must be ++ * called periodically. ++ */ ++ ++static void yaffs_update_parent(struct yaffs_obj *obj) ++{ ++ struct yaffs_dev *dev; ++ ++ if (!obj) ++ return; ++ dev = obj->my_dev; ++ obj->dirty = 1; ++ yaffs_load_current_time(obj, 0, 1); ++ if (dev->param.defered_dir_update) { ++ struct list_head *link = &obj->variant.dir_variant.dirty; ++ ++ if (list_empty(link)) { ++ list_add(link, &dev->dirty_dirs); ++ yaffs_trace(YAFFS_TRACE_BACKGROUND, ++ "Added object %d to dirty directories", ++ obj->obj_id); ++ } ++ ++ } else { ++ yaffs_update_oh(obj, NULL, 0, 0, 0, NULL); ++ } ++} ++ ++void yaffs_update_dirty_dirs(struct yaffs_dev *dev) ++{ ++ struct list_head *link; ++ struct yaffs_obj *obj; ++ struct yaffs_dir_var *d_s; ++ union yaffs_obj_var *o_v; ++ ++ yaffs_trace(YAFFS_TRACE_BACKGROUND, "Update dirty directories"); ++ ++ while (!list_empty(&dev->dirty_dirs)) { ++ link = dev->dirty_dirs.next; ++ list_del_init(link); ++ ++ d_s = list_entry(link, struct yaffs_dir_var, dirty); ++ o_v = list_entry(d_s, union yaffs_obj_var, dir_variant); ++ obj = list_entry(o_v, struct yaffs_obj, variant); ++ ++ yaffs_trace(YAFFS_TRACE_BACKGROUND, "Update directory %d", ++ obj->obj_id); ++ ++ if (obj->dirty) ++ yaffs_update_oh(obj, NULL, 0, 0, 0, NULL); ++ } ++} ++ ++/* ++ * Mknod (create) a new object. ++ * equiv_obj only has meaning for a hard link; ++ * alias_str only has meaning for a symlink. ++ * rdev only has meaning for devices (a subset of special objects) ++ */ ++ ++static struct yaffs_obj *yaffs_create_obj(enum yaffs_obj_type type, ++ struct yaffs_obj *parent, ++ const YCHAR *name, ++ u32 mode, ++ u32 uid, ++ u32 gid, ++ struct yaffs_obj *equiv_obj, ++ const YCHAR *alias_str, u32 rdev) ++{ ++ struct yaffs_obj *in; ++ YCHAR *str = NULL; ++ struct yaffs_dev *dev = parent->my_dev; ++ ++ /* Check if the entry exists. ++ * If it does then fail the call since we don't want a dup. */ ++ if (yaffs_find_by_name(parent, name)) ++ return NULL; ++ ++ if (type == YAFFS_OBJECT_TYPE_SYMLINK) { ++ str = yaffs_clone_str(alias_str); ++ if (!str) ++ return NULL; ++ } ++ ++ in = yaffs_new_obj(dev, -1, type); ++ ++ if (!in) { ++ kfree(str); ++ return NULL; ++ } ++ ++ in->hdr_chunk = 0; ++ in->valid = 1; ++ in->variant_type = type; ++ ++ in->yst_mode = mode; ++ ++ yaffs_attribs_init(in, gid, uid, rdev); ++ ++ in->n_data_chunks = 0; ++ ++ yaffs_set_obj_name(in, name); ++ in->dirty = 1; ++ ++ yaffs_add_obj_to_dir(parent, in); ++ ++ in->my_dev = parent->my_dev; ++ ++ switch (type) { ++ case YAFFS_OBJECT_TYPE_SYMLINK: ++ in->variant.symlink_variant.alias = str; ++ break; ++ case YAFFS_OBJECT_TYPE_HARDLINK: ++ in->variant.hardlink_variant.equiv_obj = equiv_obj; ++ in->variant.hardlink_variant.equiv_id = equiv_obj->obj_id; ++ list_add(&in->hard_links, &equiv_obj->hard_links); ++ break; ++ case YAFFS_OBJECT_TYPE_FILE: ++ case YAFFS_OBJECT_TYPE_DIRECTORY: ++ case YAFFS_OBJECT_TYPE_SPECIAL: ++ case YAFFS_OBJECT_TYPE_UNKNOWN: ++ /* do nothing */ ++ break; ++ } ++ ++ if (yaffs_update_oh(in, name, 0, 0, 0, NULL) < 0) { ++ /* Could not create the object header, fail */ ++ yaffs_del_obj(in); ++ in = NULL; ++ } ++ ++ if (in) ++ yaffs_update_parent(parent); ++ ++ return in; ++} ++ ++struct yaffs_obj *yaffs_create_file(struct yaffs_obj *parent, ++ const YCHAR *name, u32 mode, u32 uid, ++ u32 gid) ++{ ++ return yaffs_create_obj(YAFFS_OBJECT_TYPE_FILE, parent, name, mode, ++ uid, gid, NULL, NULL, 0); ++} ++ ++struct yaffs_obj *yaffs_create_dir(struct yaffs_obj *parent, const YCHAR *name, ++ u32 mode, u32 uid, u32 gid) ++{ ++ return yaffs_create_obj(YAFFS_OBJECT_TYPE_DIRECTORY, parent, name, ++ mode, uid, gid, NULL, NULL, 0); ++} ++ ++struct yaffs_obj *yaffs_create_special(struct yaffs_obj *parent, ++ const YCHAR *name, u32 mode, u32 uid, ++ u32 gid, u32 rdev) ++{ ++ return yaffs_create_obj(YAFFS_OBJECT_TYPE_SPECIAL, parent, name, mode, ++ uid, gid, NULL, NULL, rdev); ++} ++ ++struct yaffs_obj *yaffs_create_symlink(struct yaffs_obj *parent, ++ const YCHAR *name, u32 mode, u32 uid, ++ u32 gid, const YCHAR *alias) ++{ ++ return yaffs_create_obj(YAFFS_OBJECT_TYPE_SYMLINK, parent, name, mode, ++ uid, gid, NULL, alias, 0); ++} ++ ++/* yaffs_link_obj returns the object id of the equivalent object.*/ ++struct yaffs_obj *yaffs_link_obj(struct yaffs_obj *parent, const YCHAR * name, ++ struct yaffs_obj *equiv_obj) ++{ ++ /* Get the real object in case we were fed a hard link obj */ ++ equiv_obj = yaffs_get_equivalent_obj(equiv_obj); ++ ++ if (yaffs_create_obj(YAFFS_OBJECT_TYPE_HARDLINK, ++ parent, name, 0, 0, 0, ++ equiv_obj, NULL, 0)) ++ return equiv_obj; ++ ++ return NULL; ++ ++} ++ ++ ++ ++/*---------------------- Block Management and Page Allocation -------------*/ ++ ++static void yaffs_deinit_blocks(struct yaffs_dev *dev) ++{ ++ if (dev->block_info_alt && dev->block_info) ++ vfree(dev->block_info); ++ else ++ kfree(dev->block_info); ++ ++ dev->block_info_alt = 0; ++ ++ dev->block_info = NULL; ++ ++ if (dev->chunk_bits_alt && dev->chunk_bits) ++ vfree(dev->chunk_bits); ++ else ++ kfree(dev->chunk_bits); ++ dev->chunk_bits_alt = 0; ++ dev->chunk_bits = NULL; ++} ++ ++static int yaffs_init_blocks(struct yaffs_dev *dev) ++{ ++ int n_blocks = dev->internal_end_block - dev->internal_start_block + 1; ++ ++ dev->block_info = NULL; ++ dev->chunk_bits = NULL; ++ dev->alloc_block = -1; /* force it to get a new one */ ++ ++ /* If the first allocation strategy fails, thry the alternate one */ ++ dev->block_info = ++ kmalloc(n_blocks * sizeof(struct yaffs_block_info), GFP_NOFS); ++ if (!dev->block_info) { ++ dev->block_info = ++ vmalloc(n_blocks * sizeof(struct yaffs_block_info)); ++ dev->block_info_alt = 1; ++ } else { ++ dev->block_info_alt = 0; ++ } ++ ++ if (!dev->block_info) ++ goto alloc_error; ++ ++ /* Set up dynamic blockinfo stuff. Round up bytes. */ ++ dev->chunk_bit_stride = (dev->param.chunks_per_block + 7) / 8; ++ dev->chunk_bits = ++ kmalloc(dev->chunk_bit_stride * n_blocks, GFP_NOFS); ++ if (!dev->chunk_bits) { ++ dev->chunk_bits = ++ vmalloc(dev->chunk_bit_stride * n_blocks); ++ dev->chunk_bits_alt = 1; ++ } else { ++ dev->chunk_bits_alt = 0; ++ } ++ if (!dev->chunk_bits) ++ goto alloc_error; ++ ++ ++ memset(dev->block_info, 0, n_blocks * sizeof(struct yaffs_block_info)); ++ memset(dev->chunk_bits, 0, dev->chunk_bit_stride * n_blocks); ++ return YAFFS_OK; ++ ++alloc_error: ++ yaffs_deinit_blocks(dev); ++ return YAFFS_FAIL; ++} ++ ++ ++void yaffs_block_became_dirty(struct yaffs_dev *dev, int block_no) ++{ ++ struct yaffs_block_info *bi = yaffs_get_block_info(dev, block_no); ++ int erased_ok = 0; ++ int i; ++ ++ /* If the block is still healthy erase it and mark as clean. ++ * If the block has had a data failure, then retire it. ++ */ ++ ++ yaffs_trace(YAFFS_TRACE_GC | YAFFS_TRACE_ERASE, ++ "yaffs_block_became_dirty block %d state %d %s", ++ block_no, bi->block_state, ++ (bi->needs_retiring) ? "needs retiring" : ""); ++ ++ yaffs2_clear_oldest_dirty_seq(dev, bi); ++ ++ bi->block_state = YAFFS_BLOCK_STATE_DIRTY; ++ ++ /* If this is the block being garbage collected then stop gc'ing */ ++ if (block_no == dev->gc_block) ++ dev->gc_block = 0; ++ ++ /* If this block is currently the best candidate for gc ++ * then drop as a candidate */ ++ if (block_no == dev->gc_dirtiest) { ++ dev->gc_dirtiest = 0; ++ dev->gc_pages_in_use = 0; ++ } ++ ++ if (!bi->needs_retiring) { ++ yaffs2_checkpt_invalidate(dev); ++ erased_ok = yaffs_erase_block(dev, block_no); ++ if (!erased_ok) { ++ dev->n_erase_failures++; ++ yaffs_trace(YAFFS_TRACE_ERROR | YAFFS_TRACE_BAD_BLOCKS, ++ "**>> Erasure failed %d", block_no); ++ } ++ } ++ ++ /* Verify erasure if needed */ ++ if (erased_ok && ++ ((yaffs_trace_mask & YAFFS_TRACE_ERASE) || ++ !yaffs_skip_verification(dev))) { ++ for (i = 0; i < dev->param.chunks_per_block; i++) { ++ if (!yaffs_check_chunk_erased(dev, ++ block_no * dev->param.chunks_per_block + i)) { ++ yaffs_trace(YAFFS_TRACE_ERROR, ++ ">>Block %d erasure supposedly OK, but chunk %d not erased", ++ block_no, i); ++ } ++ } ++ } ++ ++ if (!erased_ok) { ++ /* We lost a block of free space */ ++ dev->n_free_chunks -= dev->param.chunks_per_block; ++ yaffs_retire_block(dev, block_no); ++ yaffs_trace(YAFFS_TRACE_ERROR | YAFFS_TRACE_BAD_BLOCKS, ++ "**>> Block %d retired", block_no); ++ return; ++ } ++ ++ /* Clean it up... */ ++ bi->block_state = YAFFS_BLOCK_STATE_EMPTY; ++ bi->seq_number = 0; ++ dev->n_erased_blocks++; ++ bi->pages_in_use = 0; ++ bi->soft_del_pages = 0; ++ bi->has_shrink_hdr = 0; ++ bi->skip_erased_check = 1; /* Clean, so no need to check */ ++ bi->gc_prioritise = 0; ++ bi->has_summary = 0; ++ ++ yaffs_clear_chunk_bits(dev, block_no); ++ ++ yaffs_trace(YAFFS_TRACE_ERASE, "Erased block %d", block_no); ++} ++ ++static inline int yaffs_gc_process_chunk(struct yaffs_dev *dev, ++ struct yaffs_block_info *bi, ++ int old_chunk, u8 *buffer) ++{ ++ int new_chunk; ++ int mark_flash = 1; ++ struct yaffs_ext_tags tags; ++ struct yaffs_obj *object; ++ int matching_chunk; ++ int ret_val = YAFFS_OK; ++ ++ memset(&tags, 0, sizeof(tags)); ++ yaffs_rd_chunk_tags_nand(dev, old_chunk, ++ buffer, &tags); ++ object = yaffs_find_by_number(dev, tags.obj_id); ++ ++ yaffs_trace(YAFFS_TRACE_GC_DETAIL, ++ "Collecting chunk in block %d, %d %d %d ", ++ dev->gc_chunk, tags.obj_id, ++ tags.chunk_id, tags.n_bytes); ++ ++ if (object && !yaffs_skip_verification(dev)) { ++ if (tags.chunk_id == 0) ++ matching_chunk = ++ object->hdr_chunk; ++ else if (object->soft_del) ++ /* Defeat the test */ ++ matching_chunk = old_chunk; ++ else ++ matching_chunk = ++ yaffs_find_chunk_in_file ++ (object, tags.chunk_id, ++ NULL); ++ ++ if (old_chunk != matching_chunk) ++ yaffs_trace(YAFFS_TRACE_ERROR, ++ "gc: page in gc mismatch: %d %d %d %d", ++ old_chunk, ++ matching_chunk, ++ tags.obj_id, ++ tags.chunk_id); ++ } ++ ++ if (!object) { ++ yaffs_trace(YAFFS_TRACE_ERROR, ++ "page %d in gc has no object: %d %d %d ", ++ old_chunk, ++ tags.obj_id, tags.chunk_id, ++ tags.n_bytes); ++ } ++ ++ if (object && ++ object->deleted && ++ object->soft_del && tags.chunk_id != 0) { ++ /* Data chunk in a soft deleted file, ++ * throw it away. ++ * It's a soft deleted data chunk, ++ * No need to copy this, just forget ++ * about it and fix up the object. ++ */ ++ ++ /* Free chunks already includes ++ * softdeleted chunks, how ever this ++ * chunk is going to soon be really ++ * deleted which will increment free ++ * chunks. We have to decrement free ++ * chunks so this works out properly. ++ */ ++ dev->n_free_chunks--; ++ bi->soft_del_pages--; ++ ++ object->n_data_chunks--; ++ if (object->n_data_chunks <= 0) { ++ /* remeber to clean up obj */ ++ dev->gc_cleanup_list[dev->n_clean_ups] = tags.obj_id; ++ dev->n_clean_ups++; ++ } ++ mark_flash = 0; ++ } else if (object) { ++ /* It's either a data chunk in a live ++ * file or an ObjectHeader, so we're ++ * interested in it. ++ * NB Need to keep the ObjectHeaders of ++ * deleted files until the whole file ++ * has been deleted off ++ */ ++ tags.serial_number++; ++ dev->n_gc_copies++; ++ ++ if (tags.chunk_id == 0) { ++ /* It is an object Id, ++ * We need to nuke the ++ * shrinkheader flags since its ++ * work is done. ++ * Also need to clean up ++ * shadowing. ++ */ ++ struct yaffs_obj_hdr *oh; ++ oh = (struct yaffs_obj_hdr *) buffer; ++ ++ oh->is_shrink = 0; ++ tags.extra_is_shrink = 0; ++ oh->shadows_obj = 0; ++ oh->inband_shadowed_obj_id = 0; ++ tags.extra_shadows = 0; ++ ++ /* Update file size */ ++ if (object->variant_type == YAFFS_OBJECT_TYPE_FILE) { ++ yaffs_oh_size_load(oh, ++ object->variant.file_variant.file_size); ++ tags.extra_file_size = ++ object->variant.file_variant.file_size; ++ } ++ ++ yaffs_verify_oh(object, oh, &tags, 1); ++ new_chunk = ++ yaffs_write_new_chunk(dev, (u8 *) oh, &tags, 1); ++ } else { ++ new_chunk = ++ yaffs_write_new_chunk(dev, buffer, &tags, 1); ++ } ++ ++ if (new_chunk < 0) { ++ ret_val = YAFFS_FAIL; ++ } else { ++ ++ /* Now fix up the Tnodes etc. */ ++ ++ if (tags.chunk_id == 0) { ++ /* It's a header */ ++ object->hdr_chunk = new_chunk; ++ object->serial = tags.serial_number; ++ } else { ++ /* It's a data chunk */ ++ yaffs_put_chunk_in_file(object, tags.chunk_id, ++ new_chunk, 0); ++ } ++ } ++ } ++ if (ret_val == YAFFS_OK) ++ yaffs_chunk_del(dev, old_chunk, mark_flash, __LINE__); ++ return ret_val; ++} ++ ++static int yaffs_gc_block(struct yaffs_dev *dev, int block, int whole_block) ++{ ++ int old_chunk; ++ int ret_val = YAFFS_OK; ++ int i; ++ int is_checkpt_block; ++ int max_copies; ++ int chunks_before = yaffs_get_erased_chunks(dev); ++ int chunks_after; ++ struct yaffs_block_info *bi = yaffs_get_block_info(dev, block); ++ ++ is_checkpt_block = (bi->block_state == YAFFS_BLOCK_STATE_CHECKPOINT); ++ ++ yaffs_trace(YAFFS_TRACE_TRACING, ++ "Collecting block %d, in use %d, shrink %d, whole_block %d", ++ block, bi->pages_in_use, bi->has_shrink_hdr, ++ whole_block); ++ ++ /*yaffs_verify_free_chunks(dev); */ ++ ++ if (bi->block_state == YAFFS_BLOCK_STATE_FULL) ++ bi->block_state = YAFFS_BLOCK_STATE_COLLECTING; ++ ++ bi->has_shrink_hdr = 0; /* clear the flag so that the block can erase */ ++ ++ dev->gc_disable = 1; ++ ++ yaffs_summary_gc(dev, block); ++ ++ if (is_checkpt_block || !yaffs_still_some_chunks(dev, block)) { ++ yaffs_trace(YAFFS_TRACE_TRACING, ++ "Collecting block %d that has no chunks in use", ++ block); ++ yaffs_block_became_dirty(dev, block); ++ } else { ++ ++ u8 *buffer = yaffs_get_temp_buffer(dev); ++ ++ yaffs_verify_blk(dev, bi, block); ++ ++ max_copies = (whole_block) ? dev->param.chunks_per_block : 5; ++ old_chunk = block * dev->param.chunks_per_block + dev->gc_chunk; ++ ++ for (/* init already done */ ; ++ ret_val == YAFFS_OK && ++ dev->gc_chunk < dev->param.chunks_per_block && ++ (bi->block_state == YAFFS_BLOCK_STATE_COLLECTING) && ++ max_copies > 0; ++ dev->gc_chunk++, old_chunk++) { ++ if (yaffs_check_chunk_bit(dev, block, dev->gc_chunk)) { ++ /* Page is in use and might need to be copied */ ++ max_copies--; ++ ret_val = yaffs_gc_process_chunk(dev, bi, ++ old_chunk, buffer); ++ } ++ } ++ yaffs_release_temp_buffer(dev, buffer); ++ } ++ ++ yaffs_verify_collected_blk(dev, bi, block); ++ ++ if (bi->block_state == YAFFS_BLOCK_STATE_COLLECTING) { ++ /* ++ * The gc did not complete. Set block state back to FULL ++ * because checkpointing does not restore gc. ++ */ ++ bi->block_state = YAFFS_BLOCK_STATE_FULL; ++ } else { ++ /* The gc completed. */ ++ /* Do any required cleanups */ ++ for (i = 0; i < dev->n_clean_ups; i++) { ++ /* Time to delete the file too */ ++ struct yaffs_obj *object = ++ yaffs_find_by_number(dev, dev->gc_cleanup_list[i]); ++ if (object) { ++ yaffs_free_tnode(dev, ++ object->variant.file_variant.top); ++ object->variant.file_variant.top = NULL; ++ yaffs_trace(YAFFS_TRACE_GC, ++ "yaffs: About to finally delete object %d", ++ object->obj_id); ++ yaffs_generic_obj_del(object); ++ object->my_dev->n_deleted_files--; ++ } ++ ++ } ++ chunks_after = yaffs_get_erased_chunks(dev); ++ if (chunks_before >= chunks_after) ++ yaffs_trace(YAFFS_TRACE_GC, ++ "gc did not increase free chunks before %d after %d", ++ chunks_before, chunks_after); ++ dev->gc_block = 0; ++ dev->gc_chunk = 0; ++ dev->n_clean_ups = 0; ++ } ++ ++ dev->gc_disable = 0; ++ ++ return ret_val; ++} ++ ++/* ++ * find_gc_block() selects the dirtiest block (or close enough) ++ * for garbage collection. ++ */ ++ ++static unsigned yaffs_find_gc_block(struct yaffs_dev *dev, ++ int aggressive, int background) ++{ ++ int i; ++ int iterations; ++ unsigned selected = 0; ++ int prioritised = 0; ++ int prioritised_exist = 0; ++ struct yaffs_block_info *bi; ++ int threshold; ++ ++ /* First let's see if we need to grab a prioritised block */ ++ if (dev->has_pending_prioritised_gc && !aggressive) { ++ dev->gc_dirtiest = 0; ++ bi = dev->block_info; ++ for (i = dev->internal_start_block; ++ i <= dev->internal_end_block && !selected; i++) { ++ ++ if (bi->gc_prioritise) { ++ prioritised_exist = 1; ++ if (bi->block_state == YAFFS_BLOCK_STATE_FULL && ++ yaffs_block_ok_for_gc(dev, bi)) { ++ selected = i; ++ prioritised = 1; ++ } ++ } ++ bi++; ++ } ++ ++ /* ++ * If there is a prioritised block and none was selected then ++ * this happened because there is at least one old dirty block ++ * gumming up the works. Let's gc the oldest dirty block. ++ */ ++ ++ if (prioritised_exist && ++ !selected && dev->oldest_dirty_block > 0) ++ selected = dev->oldest_dirty_block; ++ ++ if (!prioritised_exist) /* None found, so we can clear this */ ++ dev->has_pending_prioritised_gc = 0; ++ } ++ ++ /* If we're doing aggressive GC then we are happy to take a less-dirty ++ * block, and search harder. ++ * else (leasurely gc), then we only bother to do this if the ++ * block has only a few pages in use. ++ */ ++ ++ if (!selected) { ++ int pages_used; ++ int n_blocks = ++ dev->internal_end_block - dev->internal_start_block + 1; ++ if (aggressive) { ++ threshold = dev->param.chunks_per_block; ++ iterations = n_blocks; ++ } else { ++ int max_threshold; ++ ++ if (background) ++ max_threshold = dev->param.chunks_per_block / 2; ++ else ++ max_threshold = dev->param.chunks_per_block / 8; ++ ++ if (max_threshold < YAFFS_GC_PASSIVE_THRESHOLD) ++ max_threshold = YAFFS_GC_PASSIVE_THRESHOLD; ++ ++ threshold = background ? (dev->gc_not_done + 2) * 2 : 0; ++ if (threshold < YAFFS_GC_PASSIVE_THRESHOLD) ++ threshold = YAFFS_GC_PASSIVE_THRESHOLD; ++ if (threshold > max_threshold) ++ threshold = max_threshold; ++ ++ iterations = n_blocks / 16 + 1; ++ if (iterations > 100) ++ iterations = 100; ++ } ++ ++ for (i = 0; ++ i < iterations && ++ (dev->gc_dirtiest < 1 || ++ dev->gc_pages_in_use > YAFFS_GC_GOOD_ENOUGH); ++ i++) { ++ dev->gc_block_finder++; ++ if (dev->gc_block_finder < dev->internal_start_block || ++ dev->gc_block_finder > dev->internal_end_block) ++ dev->gc_block_finder = ++ dev->internal_start_block; ++ ++ bi = yaffs_get_block_info(dev, dev->gc_block_finder); ++ ++ pages_used = bi->pages_in_use - bi->soft_del_pages; ++ ++ if (bi->block_state == YAFFS_BLOCK_STATE_FULL && ++ pages_used < dev->param.chunks_per_block && ++ (dev->gc_dirtiest < 1 || ++ pages_used < dev->gc_pages_in_use) && ++ yaffs_block_ok_for_gc(dev, bi)) { ++ dev->gc_dirtiest = dev->gc_block_finder; ++ dev->gc_pages_in_use = pages_used; ++ } ++ } ++ ++ if (dev->gc_dirtiest > 0 && dev->gc_pages_in_use <= threshold) ++ selected = dev->gc_dirtiest; ++ } ++ ++ /* ++ * If nothing has been selected for a while, try the oldest dirty ++ * because that's gumming up the works. ++ */ ++ ++ if (!selected && dev->param.is_yaffs2 && ++ dev->gc_not_done >= (background ? 10 : 20)) { ++ yaffs2_find_oldest_dirty_seq(dev); ++ if (dev->oldest_dirty_block > 0) { ++ selected = dev->oldest_dirty_block; ++ dev->gc_dirtiest = selected; ++ dev->oldest_dirty_gc_count++; ++ bi = yaffs_get_block_info(dev, selected); ++ dev->gc_pages_in_use = ++ bi->pages_in_use - bi->soft_del_pages; ++ } else { ++ dev->gc_not_done = 0; ++ } ++ } ++ ++ if (selected) { ++ yaffs_trace(YAFFS_TRACE_GC, ++ "GC Selected block %d with %d free, prioritised:%d", ++ selected, ++ dev->param.chunks_per_block - dev->gc_pages_in_use, ++ prioritised); ++ ++ dev->n_gc_blocks++; ++ if (background) ++ dev->bg_gcs++; ++ ++ dev->gc_dirtiest = 0; ++ dev->gc_pages_in_use = 0; ++ dev->gc_not_done = 0; ++ if (dev->refresh_skip > 0) ++ dev->refresh_skip--; ++ } else { ++ dev->gc_not_done++; ++ yaffs_trace(YAFFS_TRACE_GC, ++ "GC none: finder %d skip %d threshold %d dirtiest %d using %d oldest %d%s", ++ dev->gc_block_finder, dev->gc_not_done, threshold, ++ dev->gc_dirtiest, dev->gc_pages_in_use, ++ dev->oldest_dirty_block, background ? " bg" : ""); ++ } ++ ++ return selected; ++} ++ ++/* New garbage collector ++ * If we're very low on erased blocks then we do aggressive garbage collection ++ * otherwise we do "leasurely" garbage collection. ++ * Aggressive gc looks further (whole array) and will accept less dirty blocks. ++ * Passive gc only inspects smaller areas and only accepts more dirty blocks. ++ * ++ * The idea is to help clear out space in a more spread-out manner. ++ * Dunno if it really does anything useful. ++ */ ++static int yaffs_check_gc(struct yaffs_dev *dev, int background) ++{ ++ int aggressive = 0; ++ int gc_ok = YAFFS_OK; ++ int max_tries = 0; ++ int min_erased; ++ int erased_chunks; ++ int checkpt_block_adjust; ++ ++ if (dev->param.gc_control_fn && ++ (dev->param.gc_control_fn(dev) & 1) == 0) ++ return YAFFS_OK; ++ ++ if (dev->gc_disable) ++ /* Bail out so we don't get recursive gc */ ++ return YAFFS_OK; ++ ++ /* This loop should pass the first time. ++ * Only loops here if the collection does not increase space. ++ */ ++ ++ do { ++ max_tries++; ++ ++ checkpt_block_adjust = yaffs_calc_checkpt_blocks_required(dev); ++ ++ min_erased = ++ dev->param.n_reserved_blocks + checkpt_block_adjust + 1; ++ erased_chunks = ++ dev->n_erased_blocks * dev->param.chunks_per_block; ++ ++ /* If we need a block soon then do aggressive gc. */ ++ if (dev->n_erased_blocks < min_erased) ++ aggressive = 1; ++ else { ++ if (!background ++ && erased_chunks > (dev->n_free_chunks / 4)) ++ break; ++ ++ if (dev->gc_skip > 20) ++ dev->gc_skip = 20; ++ if (erased_chunks < dev->n_free_chunks / 2 || ++ dev->gc_skip < 1 || background) ++ aggressive = 0; ++ else { ++ dev->gc_skip--; ++ break; ++ } ++ } ++ ++ dev->gc_skip = 5; ++ ++ /* If we don't already have a block being gc'd then see if we ++ * should start another */ ++ ++ if (dev->gc_block < 1 && !aggressive) { ++ dev->gc_block = yaffs2_find_refresh_block(dev); ++ dev->gc_chunk = 0; ++ dev->n_clean_ups = 0; ++ } ++ if (dev->gc_block < 1) { ++ dev->gc_block = ++ yaffs_find_gc_block(dev, aggressive, background); ++ dev->gc_chunk = 0; ++ dev->n_clean_ups = 0; ++ } ++ ++ if (dev->gc_block > 0) { ++ dev->all_gcs++; ++ if (!aggressive) ++ dev->passive_gc_count++; ++ ++ yaffs_trace(YAFFS_TRACE_GC, ++ "yaffs: GC n_erased_blocks %d aggressive %d", ++ dev->n_erased_blocks, aggressive); ++ ++ gc_ok = yaffs_gc_block(dev, dev->gc_block, aggressive); ++ } ++ ++ if (dev->n_erased_blocks < (dev->param.n_reserved_blocks) && ++ dev->gc_block > 0) { ++ yaffs_trace(YAFFS_TRACE_GC, ++ "yaffs: GC !!!no reclaim!!! n_erased_blocks %d after try %d block %d", ++ dev->n_erased_blocks, max_tries, ++ dev->gc_block); ++ } ++ } while ((dev->n_erased_blocks < dev->param.n_reserved_blocks) && ++ (dev->gc_block > 0) && (max_tries < 2)); ++ ++ return aggressive ? gc_ok : YAFFS_OK; ++} ++ ++/* ++ * yaffs_bg_gc() ++ * Garbage collects. Intended to be called from a background thread. ++ * Returns non-zero if at least half the free chunks are erased. ++ */ ++int yaffs_bg_gc(struct yaffs_dev *dev, unsigned urgency) ++{ ++ int erased_chunks = dev->n_erased_blocks * dev->param.chunks_per_block; ++ ++ yaffs_trace(YAFFS_TRACE_BACKGROUND, "Background gc %u", urgency); ++ ++ yaffs_check_gc(dev, 1); ++ return erased_chunks > dev->n_free_chunks / 2; ++} ++ ++/*-------------------- Data file manipulation -----------------*/ ++ ++static int yaffs_rd_data_obj(struct yaffs_obj *in, int inode_chunk, u8 * buffer) ++{ ++ int nand_chunk = yaffs_find_chunk_in_file(in, inode_chunk, NULL); ++ ++ if (nand_chunk >= 0) ++ return yaffs_rd_chunk_tags_nand(in->my_dev, nand_chunk, ++ buffer, NULL); ++ else { ++ yaffs_trace(YAFFS_TRACE_NANDACCESS, ++ "Chunk %d not found zero instead", ++ nand_chunk); ++ /* get sane (zero) data if you read a hole */ ++ memset(buffer, 0, in->my_dev->data_bytes_per_chunk); ++ return 0; ++ } ++ ++} ++ ++void yaffs_chunk_del(struct yaffs_dev *dev, int chunk_id, int mark_flash, ++ int lyn) ++{ ++ int block; ++ int page; ++ struct yaffs_ext_tags tags; ++ struct yaffs_block_info *bi; ++ ++ if (chunk_id <= 0) ++ return; ++ ++ dev->n_deletions++; ++ block = chunk_id / dev->param.chunks_per_block; ++ page = chunk_id % dev->param.chunks_per_block; ++ ++ if (!yaffs_check_chunk_bit(dev, block, page)) ++ yaffs_trace(YAFFS_TRACE_VERIFY, ++ "Deleting invalid chunk %d", chunk_id); ++ ++ bi = yaffs_get_block_info(dev, block); ++ ++ yaffs2_update_oldest_dirty_seq(dev, block, bi); ++ ++ yaffs_trace(YAFFS_TRACE_DELETION, ++ "line %d delete of chunk %d", ++ lyn, chunk_id); ++ ++ if (!dev->param.is_yaffs2 && mark_flash && ++ bi->block_state != YAFFS_BLOCK_STATE_COLLECTING) { ++ ++ memset(&tags, 0, sizeof(tags)); ++ tags.is_deleted = 1; ++ yaffs_wr_chunk_tags_nand(dev, chunk_id, NULL, &tags); ++ yaffs_handle_chunk_update(dev, chunk_id, &tags); ++ } else { ++ dev->n_unmarked_deletions++; ++ } ++ ++ /* Pull out of the management area. ++ * If the whole block became dirty, this will kick off an erasure. ++ */ ++ if (bi->block_state == YAFFS_BLOCK_STATE_ALLOCATING || ++ bi->block_state == YAFFS_BLOCK_STATE_FULL || ++ bi->block_state == YAFFS_BLOCK_STATE_NEEDS_SCAN || ++ bi->block_state == YAFFS_BLOCK_STATE_COLLECTING) { ++ dev->n_free_chunks++; ++ yaffs_clear_chunk_bit(dev, block, page); ++ bi->pages_in_use--; ++ ++ if (bi->pages_in_use == 0 && ++ !bi->has_shrink_hdr && ++ bi->block_state != YAFFS_BLOCK_STATE_ALLOCATING && ++ bi->block_state != YAFFS_BLOCK_STATE_NEEDS_SCAN) { ++ yaffs_block_became_dirty(dev, block); ++ } ++ } ++} ++ ++static int yaffs_wr_data_obj(struct yaffs_obj *in, int inode_chunk, ++ const u8 *buffer, int n_bytes, int use_reserve) ++{ ++ /* Find old chunk Need to do this to get serial number ++ * Write new one and patch into tree. ++ * Invalidate old tags. ++ */ ++ ++ int prev_chunk_id; ++ struct yaffs_ext_tags prev_tags; ++ int new_chunk_id; ++ struct yaffs_ext_tags new_tags; ++ struct yaffs_dev *dev = in->my_dev; ++ ++ yaffs_check_gc(dev, 0); ++ ++ /* Get the previous chunk at this location in the file if it exists. ++ * If it does not exist then put a zero into the tree. This creates ++ * the tnode now, rather than later when it is harder to clean up. ++ */ ++ prev_chunk_id = yaffs_find_chunk_in_file(in, inode_chunk, &prev_tags); ++ if (prev_chunk_id < 1 && ++ !yaffs_put_chunk_in_file(in, inode_chunk, 0, 0)) ++ return 0; ++ ++ /* Set up new tags */ ++ memset(&new_tags, 0, sizeof(new_tags)); ++ ++ new_tags.chunk_id = inode_chunk; ++ new_tags.obj_id = in->obj_id; ++ new_tags.serial_number = ++ (prev_chunk_id > 0) ? prev_tags.serial_number + 1 : 1; ++ new_tags.n_bytes = n_bytes; ++ ++ if (n_bytes < 1 || n_bytes > dev->param.total_bytes_per_chunk) { ++ yaffs_trace(YAFFS_TRACE_ERROR, ++ "Writing %d bytes to chunk!!!!!!!!!", ++ n_bytes); ++ BUG(); ++ } ++ ++ new_chunk_id = ++ yaffs_write_new_chunk(dev, buffer, &new_tags, use_reserve); ++ ++ if (new_chunk_id > 0) { ++ yaffs_put_chunk_in_file(in, inode_chunk, new_chunk_id, 0); ++ ++ if (prev_chunk_id > 0) ++ yaffs_chunk_del(dev, prev_chunk_id, 1, __LINE__); ++ ++ yaffs_verify_file_sane(in); ++ } ++ return new_chunk_id; ++ ++} ++ ++ ++ ++static int yaffs_do_xattrib_mod(struct yaffs_obj *obj, int set, ++ const YCHAR *name, const void *value, int size, ++ int flags) ++{ ++ struct yaffs_xattr_mod xmod; ++ int result; ++ ++ xmod.set = set; ++ xmod.name = name; ++ xmod.data = value; ++ xmod.size = size; ++ xmod.flags = flags; ++ xmod.result = -ENOSPC; ++ ++ result = yaffs_update_oh(obj, NULL, 0, 0, 0, &xmod); ++ ++ if (result > 0) ++ return xmod.result; ++ else ++ return -ENOSPC; ++} ++ ++static int yaffs_apply_xattrib_mod(struct yaffs_obj *obj, char *buffer, ++ struct yaffs_xattr_mod *xmod) ++{ ++ int retval = 0; ++ int x_offs = sizeof(struct yaffs_obj_hdr); ++ struct yaffs_dev *dev = obj->my_dev; ++ int x_size = dev->data_bytes_per_chunk - sizeof(struct yaffs_obj_hdr); ++ char *x_buffer = buffer + x_offs; ++ ++ if (xmod->set) ++ retval = ++ nval_set(x_buffer, x_size, xmod->name, xmod->data, ++ xmod->size, xmod->flags); ++ else ++ retval = nval_del(x_buffer, x_size, xmod->name); ++ ++ obj->has_xattr = nval_hasvalues(x_buffer, x_size); ++ obj->xattr_known = 1; ++ xmod->result = retval; ++ ++ return retval; ++} ++ ++static int yaffs_do_xattrib_fetch(struct yaffs_obj *obj, const YCHAR *name, ++ void *value, int size) ++{ ++ char *buffer = NULL; ++ int result; ++ struct yaffs_ext_tags tags; ++ struct yaffs_dev *dev = obj->my_dev; ++ int x_offs = sizeof(struct yaffs_obj_hdr); ++ int x_size = dev->data_bytes_per_chunk - sizeof(struct yaffs_obj_hdr); ++ char *x_buffer; ++ int retval = 0; ++ ++ if (obj->hdr_chunk < 1) ++ return -ENODATA; ++ ++ /* If we know that the object has no xattribs then don't do all the ++ * reading and parsing. ++ */ ++ if (obj->xattr_known && !obj->has_xattr) { ++ if (name) ++ return -ENODATA; ++ else ++ return 0; ++ } ++ ++ buffer = (char *)yaffs_get_temp_buffer(dev); ++ if (!buffer) ++ return -ENOMEM; ++ ++ result = ++ yaffs_rd_chunk_tags_nand(dev, obj->hdr_chunk, (u8 *) buffer, &tags); ++ ++ if (result != YAFFS_OK) ++ retval = -ENOENT; ++ else { ++ x_buffer = buffer + x_offs; ++ ++ if (!obj->xattr_known) { ++ obj->has_xattr = nval_hasvalues(x_buffer, x_size); ++ obj->xattr_known = 1; ++ } ++ ++ if (name) ++ retval = nval_get(x_buffer, x_size, name, value, size); ++ else ++ retval = nval_list(x_buffer, x_size, value, size); ++ } ++ yaffs_release_temp_buffer(dev, (u8 *) buffer); ++ return retval; ++} ++ ++int yaffs_set_xattrib(struct yaffs_obj *obj, const YCHAR * name, ++ const void *value, int size, int flags) ++{ ++ return yaffs_do_xattrib_mod(obj, 1, name, value, size, flags); ++} ++ ++int yaffs_remove_xattrib(struct yaffs_obj *obj, const YCHAR * name) ++{ ++ return yaffs_do_xattrib_mod(obj, 0, name, NULL, 0, 0); ++} ++ ++int yaffs_get_xattrib(struct yaffs_obj *obj, const YCHAR * name, void *value, ++ int size) ++{ ++ return yaffs_do_xattrib_fetch(obj, name, value, size); ++} ++ ++int yaffs_list_xattrib(struct yaffs_obj *obj, char *buffer, int size) ++{ ++ return yaffs_do_xattrib_fetch(obj, NULL, buffer, size); ++} ++ ++static void yaffs_check_obj_details_loaded(struct yaffs_obj *in) ++{ ++ u8 *buf; ++ struct yaffs_obj_hdr *oh; ++ struct yaffs_dev *dev; ++ struct yaffs_ext_tags tags; ++ int result; ++ int alloc_failed = 0; ++ ++ if (!in || !in->lazy_loaded || in->hdr_chunk < 1) ++ return; ++ ++ dev = in->my_dev; ++ in->lazy_loaded = 0; ++ buf = yaffs_get_temp_buffer(dev); ++ ++ result = yaffs_rd_chunk_tags_nand(dev, in->hdr_chunk, buf, &tags); ++ oh = (struct yaffs_obj_hdr *)buf; ++ ++ in->yst_mode = oh->yst_mode; ++ yaffs_load_attribs(in, oh); ++ yaffs_set_obj_name_from_oh(in, oh); ++ ++ if (in->variant_type == YAFFS_OBJECT_TYPE_SYMLINK) { ++ in->variant.symlink_variant.alias = ++ yaffs_clone_str(oh->alias); ++ if (!in->variant.symlink_variant.alias) ++ alloc_failed = 1; /* Not returned */ ++ } ++ yaffs_release_temp_buffer(dev, buf); ++} ++ ++static void yaffs_load_name_from_oh(struct yaffs_dev *dev, YCHAR *name, ++ const YCHAR *oh_name, int buff_size) ++{ ++#ifdef CONFIG_YAFFS_AUTO_UNICODE ++ if (dev->param.auto_unicode) { ++ if (*oh_name) { ++ /* It is an ASCII name, do an ASCII to ++ * unicode conversion */ ++ const char *ascii_oh_name = (const char *)oh_name; ++ int n = buff_size - 1; ++ while (n > 0 && *ascii_oh_name) { ++ *name = *ascii_oh_name; ++ name++; ++ ascii_oh_name++; ++ n--; ++ } ++ } else { ++ strncpy(name, oh_name + 1, buff_size - 1); ++ } ++ } else { ++#else ++ (void) dev; ++ { ++#endif ++ strncpy(name, oh_name, buff_size - 1); ++ } ++} ++ ++static void yaffs_load_oh_from_name(struct yaffs_dev *dev, YCHAR *oh_name, ++ const YCHAR *name) ++{ ++#ifdef CONFIG_YAFFS_AUTO_UNICODE ++ ++ int is_ascii; ++ YCHAR *w; ++ ++ if (dev->param.auto_unicode) { ++ ++ is_ascii = 1; ++ w = name; ++ ++ /* Figure out if the name will fit in ascii character set */ ++ while (is_ascii && *w) { ++ if ((*w) & 0xff00) ++ is_ascii = 0; ++ w++; ++ } ++ ++ if (is_ascii) { ++ /* It is an ASCII name, so convert unicode to ascii */ ++ char *ascii_oh_name = (char *)oh_name; ++ int n = YAFFS_MAX_NAME_LENGTH - 1; ++ while (n > 0 && *name) { ++ *ascii_oh_name = *name; ++ name++; ++ ascii_oh_name++; ++ n--; ++ } ++ } else { ++ /* Unicode name, so save starting at the second YCHAR */ ++ *oh_name = 0; ++ strncpy(oh_name + 1, name, YAFFS_MAX_NAME_LENGTH - 2); ++ } ++ } else { ++#else ++ dev = dev; ++ { ++#endif ++ strncpy(oh_name, name, YAFFS_MAX_NAME_LENGTH - 1); ++ } ++} ++ ++/* UpdateObjectHeader updates the header on NAND for an object. ++ * If name is not NULL, then that new name is used. ++ */ ++int yaffs_update_oh(struct yaffs_obj *in, const YCHAR *name, int force, ++ int is_shrink, int shadows, struct yaffs_xattr_mod *xmod) ++{ ++ ++ struct yaffs_block_info *bi; ++ struct yaffs_dev *dev = in->my_dev; ++ int prev_chunk_id; ++ int ret_val = 0; ++ int result = 0; ++ int new_chunk_id; ++ struct yaffs_ext_tags new_tags; ++ struct yaffs_ext_tags old_tags; ++ const YCHAR *alias = NULL; ++ u8 *buffer = NULL; ++ YCHAR old_name[YAFFS_MAX_NAME_LENGTH + 1]; ++ struct yaffs_obj_hdr *oh = NULL; ++ loff_t file_size = 0; ++ ++ strcpy(old_name, _Y("silly old name")); ++ ++ if (in->fake && in != dev->root_dir && !force && !xmod) ++ return ret_val; ++ ++ yaffs_check_gc(dev, 0); ++ yaffs_check_obj_details_loaded(in); ++ ++ buffer = yaffs_get_temp_buffer(in->my_dev); ++ oh = (struct yaffs_obj_hdr *)buffer; ++ ++ prev_chunk_id = in->hdr_chunk; ++ ++ if (prev_chunk_id > 0) { ++ result = yaffs_rd_chunk_tags_nand(dev, prev_chunk_id, ++ buffer, &old_tags); ++ ++ yaffs_verify_oh(in, oh, &old_tags, 0); ++ memcpy(old_name, oh->name, sizeof(oh->name)); ++ memset(buffer, 0xff, sizeof(struct yaffs_obj_hdr)); ++ } else { ++ memset(buffer, 0xff, dev->data_bytes_per_chunk); ++ } ++ ++ oh->type = in->variant_type; ++ oh->yst_mode = in->yst_mode; ++ oh->shadows_obj = oh->inband_shadowed_obj_id = shadows; ++ ++ yaffs_load_attribs_oh(oh, in); ++ ++ if (in->parent) ++ oh->parent_obj_id = in->parent->obj_id; ++ else ++ oh->parent_obj_id = 0; ++ ++ if (name && *name) { ++ memset(oh->name, 0, sizeof(oh->name)); ++ yaffs_load_oh_from_name(dev, oh->name, name); ++ } else if (prev_chunk_id > 0) { ++ memcpy(oh->name, old_name, sizeof(oh->name)); ++ } else { ++ memset(oh->name, 0, sizeof(oh->name)); ++ } ++ ++ oh->is_shrink = is_shrink; ++ ++ switch (in->variant_type) { ++ case YAFFS_OBJECT_TYPE_UNKNOWN: ++ /* Should not happen */ ++ break; ++ case YAFFS_OBJECT_TYPE_FILE: ++ if (oh->parent_obj_id != YAFFS_OBJECTID_DELETED && ++ oh->parent_obj_id != YAFFS_OBJECTID_UNLINKED) ++ file_size = in->variant.file_variant.file_size; ++ yaffs_oh_size_load(oh, file_size); ++ break; ++ case YAFFS_OBJECT_TYPE_HARDLINK: ++ oh->equiv_id = in->variant.hardlink_variant.equiv_id; ++ break; ++ case YAFFS_OBJECT_TYPE_SPECIAL: ++ /* Do nothing */ ++ break; ++ case YAFFS_OBJECT_TYPE_DIRECTORY: ++ /* Do nothing */ ++ break; ++ case YAFFS_OBJECT_TYPE_SYMLINK: ++ alias = in->variant.symlink_variant.alias; ++ if (!alias) ++ alias = _Y("no alias"); ++ strncpy(oh->alias, alias, YAFFS_MAX_ALIAS_LENGTH); ++ oh->alias[YAFFS_MAX_ALIAS_LENGTH] = 0; ++ break; ++ } ++ ++ /* process any xattrib modifications */ ++ if (xmod) ++ yaffs_apply_xattrib_mod(in, (char *)buffer, xmod); ++ ++ /* Tags */ ++ memset(&new_tags, 0, sizeof(new_tags)); ++ in->serial++; ++ new_tags.chunk_id = 0; ++ new_tags.obj_id = in->obj_id; ++ new_tags.serial_number = in->serial; ++ ++ /* Add extra info for file header */ ++ new_tags.extra_available = 1; ++ new_tags.extra_parent_id = oh->parent_obj_id; ++ new_tags.extra_file_size = file_size; ++ new_tags.extra_is_shrink = oh->is_shrink; ++ new_tags.extra_equiv_id = oh->equiv_id; ++ new_tags.extra_shadows = (oh->shadows_obj > 0) ? 1 : 0; ++ new_tags.extra_obj_type = in->variant_type; ++ yaffs_verify_oh(in, oh, &new_tags, 1); ++ ++ /* Create new chunk in NAND */ ++ new_chunk_id = ++ yaffs_write_new_chunk(dev, buffer, &new_tags, ++ (prev_chunk_id > 0) ? 1 : 0); ++ ++ if (buffer) ++ yaffs_release_temp_buffer(dev, buffer); ++ ++ if (new_chunk_id < 0) ++ return new_chunk_id; ++ ++ in->hdr_chunk = new_chunk_id; ++ ++ if (prev_chunk_id > 0) ++ yaffs_chunk_del(dev, prev_chunk_id, 1, __LINE__); ++ ++ if (!yaffs_obj_cache_dirty(in)) ++ in->dirty = 0; ++ ++ /* If this was a shrink, then mark the block ++ * that the chunk lives on */ ++ if (is_shrink) { ++ bi = yaffs_get_block_info(in->my_dev, ++ new_chunk_id / ++ in->my_dev->param.chunks_per_block); ++ bi->has_shrink_hdr = 1; ++ } ++ ++ ++ return new_chunk_id; ++} ++ ++/*--------------------- File read/write ------------------------ ++ * Read and write have very similar structures. ++ * In general the read/write has three parts to it ++ * An incomplete chunk to start with (if the read/write is not chunk-aligned) ++ * Some complete chunks ++ * An incomplete chunk to end off with ++ * ++ * Curve-balls: the first chunk might also be the last chunk. ++ */ ++ ++int yaffs_file_rd(struct yaffs_obj *in, u8 * buffer, loff_t offset, int n_bytes) ++{ ++ int chunk; ++ u32 start; ++ int n_copy; ++ int n = n_bytes; ++ int n_done = 0; ++ struct yaffs_cache *cache; ++ struct yaffs_dev *dev; ++ ++ dev = in->my_dev; ++ ++ while (n > 0) { ++ yaffs_addr_to_chunk(dev, offset, &chunk, &start); ++ chunk++; ++ ++ /* OK now check for the curveball where the start and end are in ++ * the same chunk. ++ */ ++ if ((start + n) < dev->data_bytes_per_chunk) ++ n_copy = n; ++ else ++ n_copy = dev->data_bytes_per_chunk - start; ++ ++ cache = yaffs_find_chunk_cache(in, chunk); ++ ++ /* If the chunk is already in the cache or it is less than ++ * a whole chunk or we're using inband tags then use the cache ++ * (if there is caching) else bypass the cache. ++ */ ++ if (cache || n_copy != dev->data_bytes_per_chunk || ++ dev->param.inband_tags) { ++ if (dev->param.n_caches > 0) { ++ ++ /* If we can't find the data in the cache, ++ * then load it up. */ ++ ++ if (!cache) { ++ cache = ++ yaffs_grab_chunk_cache(in->my_dev); ++ cache->object = in; ++ cache->chunk_id = chunk; ++ cache->dirty = 0; ++ cache->locked = 0; ++ yaffs_rd_data_obj(in, chunk, ++ cache->data); ++ cache->n_bytes = 0; ++ } ++ ++ yaffs_use_cache(dev, cache, 0); ++ ++ cache->locked = 1; ++ ++ memcpy(buffer, &cache->data[start], n_copy); ++ ++ cache->locked = 0; ++ } else { ++ /* Read into the local buffer then copy.. */ ++ ++ u8 *local_buffer = ++ yaffs_get_temp_buffer(dev); ++ yaffs_rd_data_obj(in, chunk, local_buffer); ++ ++ memcpy(buffer, &local_buffer[start], n_copy); ++ ++ yaffs_release_temp_buffer(dev, local_buffer); ++ } ++ } else { ++ /* A full chunk. Read directly into the buffer. */ ++ yaffs_rd_data_obj(in, chunk, buffer); ++ } ++ n -= n_copy; ++ offset += n_copy; ++ buffer += n_copy; ++ n_done += n_copy; ++ } ++ return n_done; ++} ++ ++int yaffs_do_file_wr(struct yaffs_obj *in, const u8 *buffer, loff_t offset, ++ int n_bytes, int write_through) ++{ ++ ++ int chunk; ++ u32 start; ++ int n_copy; ++ int n = n_bytes; ++ int n_done = 0; ++ int n_writeback; ++ loff_t start_write = offset; ++ int chunk_written = 0; ++ u32 n_bytes_read; ++ loff_t chunk_start; ++ struct yaffs_dev *dev; ++ ++ dev = in->my_dev; ++ ++ while (n > 0 && chunk_written >= 0) { ++ yaffs_addr_to_chunk(dev, offset, &chunk, &start); ++ ++ if (((loff_t)chunk) * ++ dev->data_bytes_per_chunk + start != offset || ++ start >= dev->data_bytes_per_chunk) { ++ yaffs_trace(YAFFS_TRACE_ERROR, ++ "AddrToChunk of offset %lld gives chunk %d start %d", ++ offset, chunk, start); ++ } ++ chunk++; /* File pos to chunk in file offset */ ++ ++ /* OK now check for the curveball where the start and end are in ++ * the same chunk. ++ */ ++ ++ if ((start + n) < dev->data_bytes_per_chunk) { ++ n_copy = n; ++ ++ /* Now calculate how many bytes to write back.... ++ * If we're overwriting and not writing to then end of ++ * file then we need to write back as much as was there ++ * before. ++ */ ++ ++ chunk_start = (((loff_t)(chunk - 1)) * ++ dev->data_bytes_per_chunk); ++ ++ if (chunk_start > in->variant.file_variant.file_size) ++ n_bytes_read = 0; /* Past end of file */ ++ else ++ n_bytes_read = ++ in->variant.file_variant.file_size - ++ chunk_start; ++ ++ if (n_bytes_read > dev->data_bytes_per_chunk) ++ n_bytes_read = dev->data_bytes_per_chunk; ++ ++ n_writeback = ++ (n_bytes_read > ++ (start + n)) ? n_bytes_read : (start + n); ++ ++ if (n_writeback < 0 || ++ n_writeback > dev->data_bytes_per_chunk) ++ BUG(); ++ ++ } else { ++ n_copy = dev->data_bytes_per_chunk - start; ++ n_writeback = dev->data_bytes_per_chunk; ++ } ++ ++ if (n_copy != dev->data_bytes_per_chunk || ++ !dev->param.cache_bypass_aligned || ++ dev->param.inband_tags) { ++ /* An incomplete start or end chunk (or maybe both ++ * start and end chunk), or we're using inband tags, ++ * or we're forcing writes through the cache, ++ * so we want to use the cache buffers. ++ */ ++ if (dev->param.n_caches > 0) { ++ struct yaffs_cache *cache; ++ ++ /* If we can't find the data in the cache, then ++ * load the cache */ ++ cache = yaffs_find_chunk_cache(in, chunk); ++ ++ if (!cache && ++ yaffs_check_alloc_available(dev, 1)) { ++ cache = yaffs_grab_chunk_cache(dev); ++ cache->object = in; ++ cache->chunk_id = chunk; ++ cache->dirty = 0; ++ cache->locked = 0; ++ yaffs_rd_data_obj(in, chunk, ++ cache->data); ++ } else if (cache && ++ !cache->dirty && ++ !yaffs_check_alloc_available(dev, ++ 1)) { ++ /* Drop the cache if it was a read cache ++ * item and no space check has been made ++ * for it. ++ */ ++ cache = NULL; ++ } ++ ++ if (cache) { ++ yaffs_use_cache(dev, cache, 1); ++ cache->locked = 1; ++ ++ memcpy(&cache->data[start], buffer, ++ n_copy); ++ ++ cache->locked = 0; ++ cache->n_bytes = n_writeback; ++ ++ if (write_through) { ++ chunk_written = ++ yaffs_wr_data_obj ++ (cache->object, ++ cache->chunk_id, ++ cache->data, ++ cache->n_bytes, 1); ++ cache->dirty = 0; ++ } ++ } else { ++ chunk_written = -1; /* fail write */ ++ } ++ } else { ++ /* An incomplete start or end chunk (or maybe ++ * both start and end chunk). Read into the ++ * local buffer then copy over and write back. ++ */ ++ ++ u8 *local_buffer = yaffs_get_temp_buffer(dev); ++ ++ yaffs_rd_data_obj(in, chunk, local_buffer); ++ memcpy(&local_buffer[start], buffer, n_copy); ++ ++ chunk_written = ++ yaffs_wr_data_obj(in, chunk, ++ local_buffer, ++ n_writeback, 0); ++ ++ yaffs_release_temp_buffer(dev, local_buffer); ++ } ++ } else { ++ /* A full chunk. Write directly from the buffer. */ ++ ++ chunk_written = ++ yaffs_wr_data_obj(in, chunk, buffer, ++ dev->data_bytes_per_chunk, 0); ++ ++ /* Since we've overwritten the cached data, ++ * we better invalidate it. */ ++ yaffs_invalidate_chunk_cache(in, chunk); ++ } ++ ++ if (chunk_written >= 0) { ++ n -= n_copy; ++ offset += n_copy; ++ buffer += n_copy; ++ n_done += n_copy; ++ } ++ } ++ ++ /* Update file object */ ++ ++ if ((start_write + n_done) > in->variant.file_variant.file_size) ++ in->variant.file_variant.file_size = (start_write + n_done); ++ ++ in->dirty = 1; ++ return n_done; ++} ++ ++int yaffs_wr_file(struct yaffs_obj *in, const u8 *buffer, loff_t offset, ++ int n_bytes, int write_through) ++{ ++ yaffs2_handle_hole(in, offset); ++ return yaffs_do_file_wr(in, buffer, offset, n_bytes, write_through); ++} ++ ++/* ---------------------- File resizing stuff ------------------ */ ++ ++static void yaffs_prune_chunks(struct yaffs_obj *in, loff_t new_size) ++{ ++ ++ struct yaffs_dev *dev = in->my_dev; ++ loff_t old_size = in->variant.file_variant.file_size; ++ int i; ++ int chunk_id; ++ u32 dummy; ++ int last_del; ++ int start_del; ++ ++ if (old_size > 0) ++ yaffs_addr_to_chunk(dev, old_size - 1, &last_del, &dummy); ++ else ++ last_del = 0; ++ ++ yaffs_addr_to_chunk(dev, new_size + dev->data_bytes_per_chunk - 1, ++ &start_del, &dummy); ++ last_del++; ++ start_del++; ++ ++ /* Delete backwards so that we don't end up with holes if ++ * power is lost part-way through the operation. ++ */ ++ for (i = last_del; i >= start_del; i--) { ++ /* NB this could be optimised somewhat, ++ * eg. could retrieve the tags and write them without ++ * using yaffs_chunk_del ++ */ ++ ++ chunk_id = yaffs_find_del_file_chunk(in, i, NULL); ++ ++ if (chunk_id < 1) ++ continue; ++ ++ if (chunk_id < ++ (dev->internal_start_block * dev->param.chunks_per_block) || ++ chunk_id >= ++ ((dev->internal_end_block + 1) * ++ dev->param.chunks_per_block)) { ++ yaffs_trace(YAFFS_TRACE_ALWAYS, ++ "Found daft chunk_id %d for %d", ++ chunk_id, i); ++ } else { ++ in->n_data_chunks--; ++ yaffs_chunk_del(dev, chunk_id, 1, __LINE__); ++ } ++ } ++} ++ ++void yaffs_resize_file_down(struct yaffs_obj *obj, loff_t new_size) ++{ ++ int new_full; ++ u32 new_partial; ++ struct yaffs_dev *dev = obj->my_dev; ++ ++ yaffs_addr_to_chunk(dev, new_size, &new_full, &new_partial); ++ ++ yaffs_prune_chunks(obj, new_size); ++ ++ if (new_partial != 0) { ++ int last_chunk = 1 + new_full; ++ u8 *local_buffer = yaffs_get_temp_buffer(dev); ++ ++ /* Rewrite the last chunk with its new size and zero pad */ ++ yaffs_rd_data_obj(obj, last_chunk, local_buffer); ++ memset(local_buffer + new_partial, 0, ++ dev->data_bytes_per_chunk - new_partial); ++ ++ yaffs_wr_data_obj(obj, last_chunk, local_buffer, ++ new_partial, 1); ++ ++ yaffs_release_temp_buffer(dev, local_buffer); ++ } ++ ++ obj->variant.file_variant.file_size = new_size; ++ ++ yaffs_prune_tree(dev, &obj->variant.file_variant); ++} ++ ++int yaffs_resize_file(struct yaffs_obj *in, loff_t new_size) ++{ ++ struct yaffs_dev *dev = in->my_dev; ++ loff_t old_size = in->variant.file_variant.file_size; ++ ++ yaffs_flush_file_cache(in); ++ yaffs_invalidate_whole_cache(in); ++ ++ yaffs_check_gc(dev, 0); ++ ++ if (in->variant_type != YAFFS_OBJECT_TYPE_FILE) ++ return YAFFS_FAIL; ++ ++ if (new_size == old_size) ++ return YAFFS_OK; ++ ++ if (new_size > old_size) { ++ yaffs2_handle_hole(in, new_size); ++ in->variant.file_variant.file_size = new_size; ++ } else { ++ /* new_size < old_size */ ++ yaffs_resize_file_down(in, new_size); ++ } ++ ++ /* Write a new object header to reflect the resize. ++ * show we've shrunk the file, if need be ++ * Do this only if the file is not in the deleted directories ++ * and is not shadowed. ++ */ ++ if (in->parent && ++ !in->is_shadowed && ++ in->parent->obj_id != YAFFS_OBJECTID_UNLINKED && ++ in->parent->obj_id != YAFFS_OBJECTID_DELETED) ++ yaffs_update_oh(in, NULL, 0, 0, 0, NULL); ++ ++ return YAFFS_OK; ++} ++ ++int yaffs_flush_file(struct yaffs_obj *in, int update_time, int data_sync) ++{ ++ if (!in->dirty) ++ return YAFFS_OK; ++ ++ yaffs_flush_file_cache(in); ++ ++ if (data_sync) ++ return YAFFS_OK; ++ ++ if (update_time) ++ yaffs_load_current_time(in, 0, 0); ++ ++ return (yaffs_update_oh(in, NULL, 0, 0, 0, NULL) >= 0) ? ++ YAFFS_OK : YAFFS_FAIL; ++} ++ ++ ++/* yaffs_del_file deletes the whole file data ++ * and the inode associated with the file. ++ * It does not delete the links associated with the file. ++ */ ++static int yaffs_unlink_file_if_needed(struct yaffs_obj *in) ++{ ++ int ret_val; ++ int del_now = 0; ++ struct yaffs_dev *dev = in->my_dev; ++ ++ if (!in->my_inode) ++ del_now = 1; ++ ++ if (del_now) { ++ ret_val = ++ yaffs_change_obj_name(in, in->my_dev->del_dir, ++ _Y("deleted"), 0, 0); ++ yaffs_trace(YAFFS_TRACE_TRACING, ++ "yaffs: immediate deletion of file %d", ++ in->obj_id); ++ in->deleted = 1; ++ in->my_dev->n_deleted_files++; ++ if (dev->param.disable_soft_del || dev->param.is_yaffs2) ++ yaffs_resize_file(in, 0); ++ yaffs_soft_del_file(in); ++ } else { ++ ret_val = ++ yaffs_change_obj_name(in, in->my_dev->unlinked_dir, ++ _Y("unlinked"), 0, 0); ++ } ++ return ret_val; ++} ++ ++static int yaffs_del_file(struct yaffs_obj *in) ++{ ++ int ret_val = YAFFS_OK; ++ int deleted; /* Need to cache value on stack if in is freed */ ++ struct yaffs_dev *dev = in->my_dev; ++ ++ if (dev->param.disable_soft_del || dev->param.is_yaffs2) ++ yaffs_resize_file(in, 0); ++ ++ if (in->n_data_chunks > 0) { ++ /* Use soft deletion if there is data in the file. ++ * That won't be the case if it has been resized to zero. ++ */ ++ if (!in->unlinked) ++ ret_val = yaffs_unlink_file_if_needed(in); ++ ++ deleted = in->deleted; ++ ++ if (ret_val == YAFFS_OK && in->unlinked && !in->deleted) { ++ in->deleted = 1; ++ deleted = 1; ++ in->my_dev->n_deleted_files++; ++ yaffs_soft_del_file(in); ++ } ++ return deleted ? YAFFS_OK : YAFFS_FAIL; ++ } else { ++ /* The file has no data chunks so we toss it immediately */ ++ yaffs_free_tnode(in->my_dev, in->variant.file_variant.top); ++ in->variant.file_variant.top = NULL; ++ yaffs_generic_obj_del(in); ++ ++ return YAFFS_OK; ++ } ++} ++ ++int yaffs_is_non_empty_dir(struct yaffs_obj *obj) ++{ ++ return (obj && ++ obj->variant_type == YAFFS_OBJECT_TYPE_DIRECTORY) && ++ !(list_empty(&obj->variant.dir_variant.children)); ++} ++ ++static int yaffs_del_dir(struct yaffs_obj *obj) ++{ ++ /* First check that the directory is empty. */ ++ if (yaffs_is_non_empty_dir(obj)) ++ return YAFFS_FAIL; ++ ++ return yaffs_generic_obj_del(obj); ++} ++ ++static int yaffs_del_symlink(struct yaffs_obj *in) ++{ ++ kfree(in->variant.symlink_variant.alias); ++ in->variant.symlink_variant.alias = NULL; ++ ++ return yaffs_generic_obj_del(in); ++} ++ ++static int yaffs_del_link(struct yaffs_obj *in) ++{ ++ /* remove this hardlink from the list associated with the equivalent ++ * object ++ */ ++ list_del_init(&in->hard_links); ++ return yaffs_generic_obj_del(in); ++} ++ ++int yaffs_del_obj(struct yaffs_obj *obj) ++{ ++ int ret_val = -1; ++ ++ switch (obj->variant_type) { ++ case YAFFS_OBJECT_TYPE_FILE: ++ ret_val = yaffs_del_file(obj); ++ break; ++ case YAFFS_OBJECT_TYPE_DIRECTORY: ++ if (!list_empty(&obj->variant.dir_variant.dirty)) { ++ yaffs_trace(YAFFS_TRACE_BACKGROUND, ++ "Remove object %d from dirty directories", ++ obj->obj_id); ++ list_del_init(&obj->variant.dir_variant.dirty); ++ } ++ return yaffs_del_dir(obj); ++ break; ++ case YAFFS_OBJECT_TYPE_SYMLINK: ++ ret_val = yaffs_del_symlink(obj); ++ break; ++ case YAFFS_OBJECT_TYPE_HARDLINK: ++ ret_val = yaffs_del_link(obj); ++ break; ++ case YAFFS_OBJECT_TYPE_SPECIAL: ++ ret_val = yaffs_generic_obj_del(obj); ++ break; ++ case YAFFS_OBJECT_TYPE_UNKNOWN: ++ ret_val = 0; ++ break; /* should not happen. */ ++ } ++ return ret_val; ++} ++ ++ ++static void yaffs_empty_dir_to_dir(struct yaffs_obj *from_dir, ++ struct yaffs_obj *to_dir) ++{ ++ struct yaffs_obj *obj; ++ struct list_head *lh; ++ struct list_head *n; ++ ++ list_for_each_safe(lh, n, &from_dir->variant.dir_variant.children) { ++ obj = list_entry(lh, struct yaffs_obj, siblings); ++ yaffs_add_obj_to_dir(to_dir, obj); ++ } ++} ++ ++struct yaffs_obj *yaffs_retype_obj(struct yaffs_obj *obj, ++ enum yaffs_obj_type type) ++{ ++ /* Tear down the old variant */ ++ switch (obj->variant_type) { ++ case YAFFS_OBJECT_TYPE_FILE: ++ /* Nuke file data */ ++ yaffs_resize_file(obj, 0); ++ yaffs_free_tnode(obj->my_dev, obj->variant.file_variant.top); ++ obj->variant.file_variant.top = NULL; ++ break; ++ case YAFFS_OBJECT_TYPE_DIRECTORY: ++ /* Put the children in lost and found. */ ++ yaffs_empty_dir_to_dir(obj, obj->my_dev->lost_n_found); ++ if (!list_empty(&obj->variant.dir_variant.dirty)) ++ list_del_init(&obj->variant.dir_variant.dirty); ++ break; ++ case YAFFS_OBJECT_TYPE_SYMLINK: ++ /* Nuke symplink data */ ++ kfree(obj->variant.symlink_variant.alias); ++ obj->variant.symlink_variant.alias = NULL; ++ break; ++ case YAFFS_OBJECT_TYPE_HARDLINK: ++ list_del_init(&obj->hard_links); ++ break; ++ default: ++ break; ++ } ++ ++ memset(&obj->variant, 0, sizeof(obj->variant)); ++ ++ /*Set up new variant if the memset is not enough. */ ++ switch (type) { ++ case YAFFS_OBJECT_TYPE_DIRECTORY: ++ INIT_LIST_HEAD(&obj->variant.dir_variant.children); ++ INIT_LIST_HEAD(&obj->variant.dir_variant.dirty); ++ break; ++ case YAFFS_OBJECT_TYPE_FILE: ++ case YAFFS_OBJECT_TYPE_SYMLINK: ++ case YAFFS_OBJECT_TYPE_HARDLINK: ++ default: ++ break; ++ } ++ ++ obj->variant_type = type; ++ ++ return obj; ++ ++} ++ ++static int yaffs_unlink_worker(struct yaffs_obj *obj) ++{ ++ int del_now = 0; ++ ++ if (!obj) ++ return YAFFS_FAIL; ++ ++ if (!obj->my_inode) ++ del_now = 1; ++ ++ yaffs_update_parent(obj->parent); ++ ++ if (obj->variant_type == YAFFS_OBJECT_TYPE_HARDLINK) { ++ return yaffs_del_link(obj); ++ } else if (!list_empty(&obj->hard_links)) { ++ /* Curve ball: We're unlinking an object that has a hardlink. ++ * ++ * This problem arises because we are not strictly following ++ * The Linux link/inode model. ++ * ++ * We can't really delete the object. ++ * Instead, we do the following: ++ * - Select a hardlink. ++ * - Unhook it from the hard links ++ * - Move it from its parent directory so that the rename works. ++ * - Rename the object to the hardlink's name. ++ * - Delete the hardlink ++ */ ++ ++ struct yaffs_obj *hl; ++ struct yaffs_obj *parent; ++ int ret_val; ++ YCHAR name[YAFFS_MAX_NAME_LENGTH + 1]; ++ ++ hl = list_entry(obj->hard_links.next, struct yaffs_obj, ++ hard_links); ++ ++ yaffs_get_obj_name(hl, name, YAFFS_MAX_NAME_LENGTH + 1); ++ parent = hl->parent; ++ ++ list_del_init(&hl->hard_links); ++ ++ yaffs_add_obj_to_dir(obj->my_dev->unlinked_dir, hl); ++ ++ ret_val = yaffs_change_obj_name(obj, parent, name, 0, 0); ++ ++ if (ret_val == YAFFS_OK) ++ ret_val = yaffs_generic_obj_del(hl); ++ ++ return ret_val; ++ ++ } else if (del_now) { ++ switch (obj->variant_type) { ++ case YAFFS_OBJECT_TYPE_FILE: ++ return yaffs_del_file(obj); ++ break; ++ case YAFFS_OBJECT_TYPE_DIRECTORY: ++ list_del_init(&obj->variant.dir_variant.dirty); ++ return yaffs_del_dir(obj); ++ break; ++ case YAFFS_OBJECT_TYPE_SYMLINK: ++ return yaffs_del_symlink(obj); ++ break; ++ case YAFFS_OBJECT_TYPE_SPECIAL: ++ return yaffs_generic_obj_del(obj); ++ break; ++ case YAFFS_OBJECT_TYPE_HARDLINK: ++ case YAFFS_OBJECT_TYPE_UNKNOWN: ++ default: ++ return YAFFS_FAIL; ++ } ++ } else if (yaffs_is_non_empty_dir(obj)) { ++ return YAFFS_FAIL; ++ } else { ++ return yaffs_change_obj_name(obj, obj->my_dev->unlinked_dir, ++ _Y("unlinked"), 0, 0); ++ } ++} ++ ++static int yaffs_unlink_obj(struct yaffs_obj *obj) ++{ ++ if (obj && obj->unlink_allowed) ++ return yaffs_unlink_worker(obj); ++ ++ return YAFFS_FAIL; ++} ++ ++int yaffs_unlinker(struct yaffs_obj *dir, const YCHAR *name) ++{ ++ struct yaffs_obj *obj; ++ ++ obj = yaffs_find_by_name(dir, name); ++ return yaffs_unlink_obj(obj); ++} ++ ++/* Note: ++ * If old_name is NULL then we take old_dir as the object to be renamed. ++ */ ++int yaffs_rename_obj(struct yaffs_obj *old_dir, const YCHAR *old_name, ++ struct yaffs_obj *new_dir, const YCHAR *new_name) ++{ ++ struct yaffs_obj *obj = NULL; ++ struct yaffs_obj *existing_target = NULL; ++ int force = 0; ++ int result; ++ struct yaffs_dev *dev; ++ ++ if (!old_dir || old_dir->variant_type != YAFFS_OBJECT_TYPE_DIRECTORY) { ++ BUG(); ++ return YAFFS_FAIL; ++ } ++ if (!new_dir || new_dir->variant_type != YAFFS_OBJECT_TYPE_DIRECTORY) { ++ BUG(); ++ return YAFFS_FAIL; ++ } ++ ++ dev = old_dir->my_dev; ++ ++#ifdef CONFIG_YAFFS_CASE_INSENSITIVE ++ /* Special case for case insemsitive systems. ++ * While look-up is case insensitive, the name isn't. ++ * Therefore we might want to change x.txt to X.txt ++ */ ++ if (old_dir == new_dir && ++ old_name && new_name && ++ strcmp(old_name, new_name) == 0) ++ force = 1; ++#endif ++ ++ if (strnlen(new_name, YAFFS_MAX_NAME_LENGTH + 1) > ++ YAFFS_MAX_NAME_LENGTH) ++ /* ENAMETOOLONG */ ++ return YAFFS_FAIL; ++ ++ if (old_name) ++ obj = yaffs_find_by_name(old_dir, old_name); ++ else{ ++ obj = old_dir; ++ old_dir = obj->parent; ++ } ++ ++ if (obj && obj->rename_allowed) { ++ /* Now handle an existing target, if there is one */ ++ existing_target = yaffs_find_by_name(new_dir, new_name); ++ if (yaffs_is_non_empty_dir(existing_target)) { ++ return YAFFS_FAIL; /* ENOTEMPTY */ ++ } else if (existing_target && existing_target != obj) { ++ /* Nuke the target first, using shadowing, ++ * but only if it isn't the same object. ++ * ++ * Note we must disable gc here otherwise it can mess ++ * up the shadowing. ++ * ++ */ ++ dev->gc_disable = 1; ++ yaffs_change_obj_name(obj, new_dir, new_name, force, ++ existing_target->obj_id); ++ existing_target->is_shadowed = 1; ++ yaffs_unlink_obj(existing_target); ++ dev->gc_disable = 0; ++ } ++ ++ result = yaffs_change_obj_name(obj, new_dir, new_name, 1, 0); ++ ++ yaffs_update_parent(old_dir); ++ if (new_dir != old_dir) ++ yaffs_update_parent(new_dir); ++ ++ return result; ++ } ++ return YAFFS_FAIL; ++} ++ ++/*----------------------- Initialisation Scanning ---------------------- */ ++ ++void yaffs_handle_shadowed_obj(struct yaffs_dev *dev, int obj_id, ++ int backward_scanning) ++{ ++ struct yaffs_obj *obj; ++ ++ if (backward_scanning) { ++ /* Handle YAFFS2 case (backward scanning) ++ * If the shadowed object exists then ignore. ++ */ ++ obj = yaffs_find_by_number(dev, obj_id); ++ if (obj) ++ return; ++ } ++ ++ /* Let's create it (if it does not exist) assuming it is a file so that ++ * it can do shrinking etc. ++ * We put it in unlinked dir to be cleaned up after the scanning ++ */ ++ obj = ++ yaffs_find_or_create_by_number(dev, obj_id, YAFFS_OBJECT_TYPE_FILE); ++ if (!obj) ++ return; ++ obj->is_shadowed = 1; ++ yaffs_add_obj_to_dir(dev->unlinked_dir, obj); ++ obj->variant.file_variant.shrink_size = 0; ++ obj->valid = 1; /* So that we don't read any other info. */ ++} ++ ++void yaffs_link_fixup(struct yaffs_dev *dev, struct list_head *hard_list) ++{ ++ struct list_head *lh; ++ struct list_head *save; ++ struct yaffs_obj *hl; ++ struct yaffs_obj *in; ++ ++ list_for_each_safe(lh, save, hard_list) { ++ hl = list_entry(lh, struct yaffs_obj, hard_links); ++ in = yaffs_find_by_number(dev, ++ hl->variant.hardlink_variant.equiv_id); ++ ++ if (in) { ++ /* Add the hardlink pointers */ ++ hl->variant.hardlink_variant.equiv_obj = in; ++ list_add(&hl->hard_links, &in->hard_links); ++ } else { ++ /* Todo Need to report/handle this better. ++ * Got a problem... hardlink to a non-existant object ++ */ ++ hl->variant.hardlink_variant.equiv_obj = NULL; ++ INIT_LIST_HEAD(&hl->hard_links); ++ } ++ } ++} ++ ++static void yaffs_strip_deleted_objs(struct yaffs_dev *dev) ++{ ++ /* ++ * Sort out state of unlinked and deleted objects after scanning. ++ */ ++ struct list_head *i; ++ struct list_head *n; ++ struct yaffs_obj *l; ++ ++ if (dev->read_only) ++ return; ++ ++ /* Soft delete all the unlinked files */ ++ list_for_each_safe(i, n, ++ &dev->unlinked_dir->variant.dir_variant.children) { ++ l = list_entry(i, struct yaffs_obj, siblings); ++ yaffs_del_obj(l); ++ } ++ ++ list_for_each_safe(i, n, &dev->del_dir->variant.dir_variant.children) { ++ l = list_entry(i, struct yaffs_obj, siblings); ++ yaffs_del_obj(l); ++ } ++} ++ ++/* ++ * This code iterates through all the objects making sure that they are rooted. ++ * Any unrooted objects are re-rooted in lost+found. ++ * An object needs to be in one of: ++ * - Directly under deleted, unlinked ++ * - Directly or indirectly under root. ++ * ++ * Note: ++ * This code assumes that we don't ever change the current relationships ++ * between directories: ++ * root_dir->parent == unlinked_dir->parent == del_dir->parent == NULL ++ * lost-n-found->parent == root_dir ++ * ++ * This fixes the problem where directories might have inadvertently been ++ * deleted leaving the object "hanging" without being rooted in the ++ * directory tree. ++ */ ++ ++static int yaffs_has_null_parent(struct yaffs_dev *dev, struct yaffs_obj *obj) ++{ ++ return (obj == dev->del_dir || ++ obj == dev->unlinked_dir || obj == dev->root_dir); ++} ++ ++static void yaffs_fix_hanging_objs(struct yaffs_dev *dev) ++{ ++ struct yaffs_obj *obj; ++ struct yaffs_obj *parent; ++ int i; ++ struct list_head *lh; ++ struct list_head *n; ++ int depth_limit; ++ int hanging; ++ ++ if (dev->read_only) ++ return; ++ ++ /* Iterate through the objects in each hash entry, ++ * looking at each object. ++ * Make sure it is rooted. ++ */ ++ ++ for (i = 0; i < YAFFS_NOBJECT_BUCKETS; i++) { ++ list_for_each_safe(lh, n, &dev->obj_bucket[i].list) { ++ obj = list_entry(lh, struct yaffs_obj, hash_link); ++ parent = obj->parent; ++ ++ if (yaffs_has_null_parent(dev, obj)) { ++ /* These directories are not hanging */ ++ hanging = 0; ++ } else if (!parent || ++ parent->variant_type != ++ YAFFS_OBJECT_TYPE_DIRECTORY) { ++ hanging = 1; ++ } else if (yaffs_has_null_parent(dev, parent)) { ++ hanging = 0; ++ } else { ++ /* ++ * Need to follow the parent chain to ++ * see if it is hanging. ++ */ ++ hanging = 0; ++ depth_limit = 100; ++ ++ while (parent != dev->root_dir && ++ parent->parent && ++ parent->parent->variant_type == ++ YAFFS_OBJECT_TYPE_DIRECTORY && ++ depth_limit > 0) { ++ parent = parent->parent; ++ depth_limit--; ++ } ++ if (parent != dev->root_dir) ++ hanging = 1; ++ } ++ if (hanging) { ++ yaffs_trace(YAFFS_TRACE_SCAN, ++ "Hanging object %d moved to lost and found", ++ obj->obj_id); ++ yaffs_add_obj_to_dir(dev->lost_n_found, obj); ++ } ++ } ++ } ++} ++ ++/* ++ * Delete directory contents for cleaning up lost and found. ++ */ ++static void yaffs_del_dir_contents(struct yaffs_obj *dir) ++{ ++ struct yaffs_obj *obj; ++ struct list_head *lh; ++ struct list_head *n; ++ ++ if (dir->variant_type != YAFFS_OBJECT_TYPE_DIRECTORY) ++ BUG(); ++ ++ list_for_each_safe(lh, n, &dir->variant.dir_variant.children) { ++ obj = list_entry(lh, struct yaffs_obj, siblings); ++ if (obj->variant_type == YAFFS_OBJECT_TYPE_DIRECTORY) ++ yaffs_del_dir_contents(obj); ++ yaffs_trace(YAFFS_TRACE_SCAN, ++ "Deleting lost_found object %d", ++ obj->obj_id); ++ yaffs_unlink_obj(obj); ++ } ++} ++ ++static void yaffs_empty_l_n_f(struct yaffs_dev *dev) ++{ ++ yaffs_del_dir_contents(dev->lost_n_found); ++} ++ ++ ++struct yaffs_obj *yaffs_find_by_name(struct yaffs_obj *directory, ++ const YCHAR *name) ++{ ++ int sum; ++ struct list_head *i; ++ YCHAR buffer[YAFFS_MAX_NAME_LENGTH + 1]; ++ struct yaffs_obj *l; ++ ++ if (!name) ++ return NULL; ++ ++ if (!directory) { ++ yaffs_trace(YAFFS_TRACE_ALWAYS, ++ "tragedy: yaffs_find_by_name: null pointer directory" ++ ); ++ BUG(); ++ return NULL; ++ } ++ if (directory->variant_type != YAFFS_OBJECT_TYPE_DIRECTORY) { ++ yaffs_trace(YAFFS_TRACE_ALWAYS, ++ "tragedy: yaffs_find_by_name: non-directory" ++ ); ++ BUG(); ++ } ++ ++ sum = yaffs_calc_name_sum(name); ++ ++ list_for_each(i, &directory->variant.dir_variant.children) { ++ l = list_entry(i, struct yaffs_obj, siblings); ++ ++ if (l->parent != directory) ++ BUG(); ++ ++ yaffs_check_obj_details_loaded(l); ++ ++ /* Special case for lost-n-found */ ++ if (l->obj_id == YAFFS_OBJECTID_LOSTNFOUND) { ++ if (!strcmp(name, YAFFS_LOSTNFOUND_NAME)) ++ return l; ++ } else if (l->sum == sum || l->hdr_chunk <= 0) { ++ /* LostnFound chunk called Objxxx ++ * Do a real check ++ */ ++ yaffs_get_obj_name(l, buffer, ++ YAFFS_MAX_NAME_LENGTH + 1); ++ if (!strncmp(name, buffer, YAFFS_MAX_NAME_LENGTH)) ++ return l; ++ } ++ } ++ return NULL; ++} ++ ++/* GetEquivalentObject dereferences any hard links to get to the ++ * actual object. ++ */ ++ ++struct yaffs_obj *yaffs_get_equivalent_obj(struct yaffs_obj *obj) ++{ ++ if (obj && obj->variant_type == YAFFS_OBJECT_TYPE_HARDLINK) { ++ obj = obj->variant.hardlink_variant.equiv_obj; ++ yaffs_check_obj_details_loaded(obj); ++ } ++ return obj; ++} ++ ++/* ++ * A note or two on object names. ++ * * If the object name is missing, we then make one up in the form objnnn ++ * ++ * * ASCII names are stored in the object header's name field from byte zero ++ * * Unicode names are historically stored starting from byte zero. ++ * ++ * Then there are automatic Unicode names... ++ * The purpose of these is to save names in a way that can be read as ++ * ASCII or Unicode names as appropriate, thus allowing a Unicode and ASCII ++ * system to share files. ++ * ++ * These automatic unicode are stored slightly differently... ++ * - If the name can fit in the ASCII character space then they are saved as ++ * ascii names as per above. ++ * - If the name needs Unicode then the name is saved in Unicode ++ * starting at oh->name[1]. ++ ++ */ ++static void yaffs_fix_null_name(struct yaffs_obj *obj, YCHAR *name, ++ int buffer_size) ++{ ++ /* Create an object name if we could not find one. */ ++ if (strnlen(name, YAFFS_MAX_NAME_LENGTH) == 0) { ++ YCHAR local_name[20]; ++ YCHAR num_string[20]; ++ YCHAR *x = &num_string[19]; ++ unsigned v = obj->obj_id; ++ num_string[19] = 0; ++ while (v > 0) { ++ x--; ++ *x = '0' + (v % 10); ++ v /= 10; ++ } ++ /* make up a name */ ++ strcpy(local_name, YAFFS_LOSTNFOUND_PREFIX); ++ strcat(local_name, x); ++ strncpy(name, local_name, buffer_size - 1); ++ } ++} ++ ++int yaffs_get_obj_name(struct yaffs_obj *obj, YCHAR *name, int buffer_size) ++{ ++ memset(name, 0, buffer_size * sizeof(YCHAR)); ++ yaffs_check_obj_details_loaded(obj); ++ if (obj->obj_id == YAFFS_OBJECTID_LOSTNFOUND) { ++ strncpy(name, YAFFS_LOSTNFOUND_NAME, buffer_size - 1); ++ } else if (obj->short_name[0]) { ++ strcpy(name, obj->short_name); ++ } else if (obj->hdr_chunk > 0) { ++ int result; ++ u8 *buffer = yaffs_get_temp_buffer(obj->my_dev); ++ ++ struct yaffs_obj_hdr *oh = (struct yaffs_obj_hdr *)buffer; ++ ++ memset(buffer, 0, obj->my_dev->data_bytes_per_chunk); ++ ++ if (obj->hdr_chunk > 0) { ++ result = yaffs_rd_chunk_tags_nand(obj->my_dev, ++ obj->hdr_chunk, ++ buffer, NULL); ++ } ++ yaffs_load_name_from_oh(obj->my_dev, name, oh->name, ++ buffer_size); ++ ++ yaffs_release_temp_buffer(obj->my_dev, buffer); ++ } ++ ++ yaffs_fix_null_name(obj, name, buffer_size); ++ ++ return strnlen(name, YAFFS_MAX_NAME_LENGTH); ++} ++ ++loff_t yaffs_get_obj_length(struct yaffs_obj *obj) ++{ ++ /* Dereference any hard linking */ ++ obj = yaffs_get_equivalent_obj(obj); ++ ++ if (obj->variant_type == YAFFS_OBJECT_TYPE_FILE) ++ return obj->variant.file_variant.file_size; ++ if (obj->variant_type == YAFFS_OBJECT_TYPE_SYMLINK) { ++ if (!obj->variant.symlink_variant.alias) ++ return 0; ++ return strnlen(obj->variant.symlink_variant.alias, ++ YAFFS_MAX_ALIAS_LENGTH); ++ } else { ++ /* Only a directory should drop through to here */ ++ return obj->my_dev->data_bytes_per_chunk; ++ } ++} ++ ++int yaffs_get_obj_link_count(struct yaffs_obj *obj) ++{ ++ int count = 0; ++ struct list_head *i; ++ ++ if (!obj->unlinked) ++ count++; /* the object itself */ ++ ++ list_for_each(i, &obj->hard_links) ++ count++; /* add the hard links; */ ++ ++ return count; ++} ++ ++int yaffs_get_obj_inode(struct yaffs_obj *obj) ++{ ++ obj = yaffs_get_equivalent_obj(obj); ++ ++ return obj->obj_id; ++} ++ ++unsigned yaffs_get_obj_type(struct yaffs_obj *obj) ++{ ++ obj = yaffs_get_equivalent_obj(obj); ++ ++ switch (obj->variant_type) { ++ case YAFFS_OBJECT_TYPE_FILE: ++ return DT_REG; ++ break; ++ case YAFFS_OBJECT_TYPE_DIRECTORY: ++ return DT_DIR; ++ break; ++ case YAFFS_OBJECT_TYPE_SYMLINK: ++ return DT_LNK; ++ break; ++ case YAFFS_OBJECT_TYPE_HARDLINK: ++ return DT_REG; ++ break; ++ case YAFFS_OBJECT_TYPE_SPECIAL: ++ if (S_ISFIFO(obj->yst_mode)) ++ return DT_FIFO; ++ if (S_ISCHR(obj->yst_mode)) ++ return DT_CHR; ++ if (S_ISBLK(obj->yst_mode)) ++ return DT_BLK; ++ if (S_ISSOCK(obj->yst_mode)) ++ return DT_SOCK; ++ return DT_REG; ++ break; ++ default: ++ return DT_REG; ++ break; ++ } ++} ++ ++YCHAR *yaffs_get_symlink_alias(struct yaffs_obj *obj) ++{ ++ obj = yaffs_get_equivalent_obj(obj); ++ if (obj->variant_type == YAFFS_OBJECT_TYPE_SYMLINK) ++ return yaffs_clone_str(obj->variant.symlink_variant.alias); ++ else ++ return yaffs_clone_str(_Y("")); ++} ++ ++/*--------------------------- Initialisation code -------------------------- */ ++ ++static int yaffs_check_dev_fns(struct yaffs_dev *dev) ++{ ++ struct yaffs_driver *drv = &dev->drv; ++ struct yaffs_tags_handler *tagger = &dev->tagger; ++ ++ /* Common functions, gotta have */ ++ if (!drv->drv_read_chunk_fn || ++ !drv->drv_write_chunk_fn || ++ !drv->drv_erase_fn) ++ return 0; ++ ++ if (dev->param.is_yaffs2 && ++ (!drv->drv_mark_bad_fn || !drv->drv_check_bad_fn)) ++ return 0; ++ ++ /* Install the default tags marshalling functions if needed. */ ++ yaffs_tags_compat_install(dev); ++ yaffs_tags_marshall_install(dev); ++ ++ /* Check we now have the marshalling functions required. */ ++ if (!tagger->write_chunk_tags_fn || ++ !tagger->read_chunk_tags_fn || ++ !tagger->query_block_fn || ++ !tagger->mark_bad_fn) ++ return 0; ++ ++ return 1; ++} ++ ++static int yaffs_create_initial_dir(struct yaffs_dev *dev) ++{ ++ /* Initialise the unlinked, deleted, root and lost+found directories */ ++ dev->lost_n_found = dev->root_dir = NULL; ++ dev->unlinked_dir = dev->del_dir = NULL; ++ dev->unlinked_dir = ++ yaffs_create_fake_dir(dev, YAFFS_OBJECTID_UNLINKED, S_IFDIR); ++ dev->del_dir = ++ yaffs_create_fake_dir(dev, YAFFS_OBJECTID_DELETED, S_IFDIR); ++ dev->root_dir = ++ yaffs_create_fake_dir(dev, YAFFS_OBJECTID_ROOT, ++ YAFFS_ROOT_MODE | S_IFDIR); ++ dev->lost_n_found = ++ yaffs_create_fake_dir(dev, YAFFS_OBJECTID_LOSTNFOUND, ++ YAFFS_LOSTNFOUND_MODE | S_IFDIR); ++ ++ if (dev->lost_n_found && dev->root_dir && dev->unlinked_dir ++ && dev->del_dir) { ++ yaffs_add_obj_to_dir(dev->root_dir, dev->lost_n_found); ++ return YAFFS_OK; ++ } ++ return YAFFS_FAIL; ++} ++ ++/* Low level init. ++ * Typically only used by yaffs_guts_initialise, but also used by the ++ * Low level yaffs driver tests. ++ */ ++ ++int yaffs_guts_ll_init(struct yaffs_dev *dev) ++{ ++ ++ ++ yaffs_trace(YAFFS_TRACE_TRACING, "yaffs: yaffs_ll_init()"); ++ ++ if (!dev) { ++ yaffs_trace(YAFFS_TRACE_ALWAYS, ++ "yaffs: Need a device" ++ ); ++ return YAFFS_FAIL; ++ } ++ ++ if (dev->ll_init) ++ return YAFFS_OK; ++ ++ dev->internal_start_block = dev->param.start_block; ++ dev->internal_end_block = dev->param.end_block; ++ dev->block_offset = 0; ++ dev->chunk_offset = 0; ++ dev->n_free_chunks = 0; ++ ++ dev->gc_block = 0; ++ ++ if (dev->param.start_block == 0) { ++ dev->internal_start_block = dev->param.start_block + 1; ++ dev->internal_end_block = dev->param.end_block + 1; ++ dev->block_offset = 1; ++ dev->chunk_offset = dev->param.chunks_per_block; ++ } ++ ++ /* Check geometry parameters. */ ++ ++ if ((!dev->param.inband_tags && dev->param.is_yaffs2 && ++ dev->param.total_bytes_per_chunk < 1024) || ++ (!dev->param.is_yaffs2 && ++ dev->param.total_bytes_per_chunk < 512) || ++ (dev->param.inband_tags && !dev->param.is_yaffs2) || ++ dev->param.chunks_per_block < 2 || ++ dev->param.n_reserved_blocks < 2 || ++ dev->internal_start_block <= 0 || ++ dev->internal_end_block <= 0 || ++ dev->internal_end_block <= ++ (dev->internal_start_block + dev->param.n_reserved_blocks + 2) ++ ) { ++ /* otherwise it is too small */ ++ yaffs_trace(YAFFS_TRACE_ALWAYS, ++ "NAND geometry problems: chunk size %d, type is yaffs%s, inband_tags %d ", ++ dev->param.total_bytes_per_chunk, ++ dev->param.is_yaffs2 ? "2" : "", ++ dev->param.inband_tags); ++ return YAFFS_FAIL; ++ } ++ ++ /* Sort out space for inband tags, if required */ ++ if (dev->param.inband_tags) ++ dev->data_bytes_per_chunk = ++ dev->param.total_bytes_per_chunk - ++ sizeof(struct yaffs_packed_tags2_tags_only); ++ else ++ dev->data_bytes_per_chunk = dev->param.total_bytes_per_chunk; ++ ++ /* Got the right mix of functions? */ ++ if (!yaffs_check_dev_fns(dev)) { ++ /* Function missing */ ++ yaffs_trace(YAFFS_TRACE_ALWAYS, ++ "device function(s) missing or wrong"); ++ ++ return YAFFS_FAIL; ++ } ++ ++ if (yaffs_init_nand(dev) != YAFFS_OK) { ++ yaffs_trace(YAFFS_TRACE_ALWAYS, "InitialiseNAND failed"); ++ return YAFFS_FAIL; ++ } ++ ++ return YAFFS_OK; ++} ++ ++ ++int yaffs_guts_format_dev(struct yaffs_dev *dev) ++{ ++ int i; ++ enum yaffs_block_state state; ++ u32 dummy; ++ ++ if(yaffs_guts_ll_init(dev) != YAFFS_OK) ++ return YAFFS_FAIL; ++ ++ if(dev->is_mounted) ++ return YAFFS_FAIL; ++ ++ for (i = dev->internal_start_block; i <= dev->internal_end_block; i++) { ++ yaffs_query_init_block_state(dev, i, &state, &dummy); ++ if (state != YAFFS_BLOCK_STATE_DEAD) ++ yaffs_erase_block(dev, i); ++ } ++ ++ return YAFFS_OK; ++} ++ ++ ++int yaffs_guts_initialise(struct yaffs_dev *dev) ++{ ++ int init_failed = 0; ++ unsigned x; ++ int bits; ++ ++ if(yaffs_guts_ll_init(dev) != YAFFS_OK) ++ return YAFFS_FAIL; ++ ++ if (dev->is_mounted) { ++ yaffs_trace(YAFFS_TRACE_ALWAYS, "device already mounted"); ++ return YAFFS_FAIL; ++ } ++ ++ dev->is_mounted = 1; ++ ++ /* OK now calculate a few things for the device */ ++ ++ /* ++ * Calculate all the chunk size manipulation numbers: ++ */ ++ x = dev->data_bytes_per_chunk; ++ /* We always use dev->chunk_shift and dev->chunk_div */ ++ dev->chunk_shift = calc_shifts(x); ++ x >>= dev->chunk_shift; ++ dev->chunk_div = x; ++ /* We only use chunk mask if chunk_div is 1 */ ++ dev->chunk_mask = (1 << dev->chunk_shift) - 1; ++ ++ /* ++ * Calculate chunk_grp_bits. ++ * We need to find the next power of 2 > than internal_end_block ++ */ ++ ++ x = dev->param.chunks_per_block * (dev->internal_end_block + 1); ++ ++ bits = calc_shifts_ceiling(x); ++ ++ /* Set up tnode width if wide tnodes are enabled. */ ++ if (!dev->param.wide_tnodes_disabled) { ++ /* bits must be even so that we end up with 32-bit words */ ++ if (bits & 1) ++ bits++; ++ if (bits < 16) ++ dev->tnode_width = 16; ++ else ++ dev->tnode_width = bits; ++ } else { ++ dev->tnode_width = 16; ++ } ++ ++ dev->tnode_mask = (1 << dev->tnode_width) - 1; ++ ++ /* Level0 Tnodes are 16 bits or wider (if wide tnodes are enabled), ++ * so if the bitwidth of the ++ * chunk range we're using is greater than 16 we need ++ * to figure out chunk shift and chunk_grp_size ++ */ ++ ++ if (bits <= dev->tnode_width) ++ dev->chunk_grp_bits = 0; ++ else ++ dev->chunk_grp_bits = bits - dev->tnode_width; ++ ++ dev->tnode_size = (dev->tnode_width * YAFFS_NTNODES_LEVEL0) / 8; ++ if (dev->tnode_size < sizeof(struct yaffs_tnode)) ++ dev->tnode_size = sizeof(struct yaffs_tnode); ++ ++ dev->chunk_grp_size = 1 << dev->chunk_grp_bits; ++ ++ if (dev->param.chunks_per_block < dev->chunk_grp_size) { ++ /* We have a problem because the soft delete won't work if ++ * the chunk group size > chunks per block. ++ * This can be remedied by using larger "virtual blocks". ++ */ ++ yaffs_trace(YAFFS_TRACE_ALWAYS, "chunk group too large"); ++ ++ return YAFFS_FAIL; ++ } ++ ++ /* Finished verifying the device, continue with initialisation */ ++ ++ /* More device initialisation */ ++ dev->all_gcs = 0; ++ dev->passive_gc_count = 0; ++ dev->oldest_dirty_gc_count = 0; ++ dev->bg_gcs = 0; ++ dev->gc_block_finder = 0; ++ dev->buffered_block = -1; ++ dev->doing_buffered_block_rewrite = 0; ++ dev->n_deleted_files = 0; ++ dev->n_bg_deletions = 0; ++ dev->n_unlinked_files = 0; ++ dev->n_ecc_fixed = 0; ++ dev->n_ecc_unfixed = 0; ++ dev->n_tags_ecc_fixed = 0; ++ dev->n_tags_ecc_unfixed = 0; ++ dev->n_erase_failures = 0; ++ dev->n_erased_blocks = 0; ++ dev->gc_disable = 0; ++ dev->has_pending_prioritised_gc = 1; ++ /* Assume the worst for now, will get fixed on first GC */ ++ INIT_LIST_HEAD(&dev->dirty_dirs); ++ dev->oldest_dirty_seq = 0; ++ dev->oldest_dirty_block = 0; ++ ++ /* Initialise temporary buffers and caches. */ ++ if (!yaffs_init_tmp_buffers(dev)) ++ init_failed = 1; ++ ++ dev->cache = NULL; ++ dev->gc_cleanup_list = NULL; ++ ++ if (!init_failed && dev->param.n_caches > 0) { ++ int i; ++ void *buf; ++ int cache_bytes = ++ dev->param.n_caches * sizeof(struct yaffs_cache); ++ ++ if (dev->param.n_caches > YAFFS_MAX_SHORT_OP_CACHES) ++ dev->param.n_caches = YAFFS_MAX_SHORT_OP_CACHES; ++ ++ dev->cache = kmalloc(cache_bytes, GFP_NOFS); ++ ++ buf = (u8 *) dev->cache; ++ ++ if (dev->cache) ++ memset(dev->cache, 0, cache_bytes); ++ ++ for (i = 0; i < dev->param.n_caches && buf; i++) { ++ dev->cache[i].object = NULL; ++ dev->cache[i].last_use = 0; ++ dev->cache[i].dirty = 0; ++ dev->cache[i].data = buf = ++ kmalloc(dev->param.total_bytes_per_chunk, GFP_NOFS); ++ } ++ if (!buf) ++ init_failed = 1; ++ ++ dev->cache_last_use = 0; ++ } ++ ++ dev->cache_hits = 0; ++ ++ if (!init_failed) { ++ dev->gc_cleanup_list = ++ kmalloc(dev->param.chunks_per_block * sizeof(u32), ++ GFP_NOFS); ++ if (!dev->gc_cleanup_list) ++ init_failed = 1; ++ } ++ ++ if (dev->param.is_yaffs2) ++ dev->param.use_header_file_size = 1; ++ ++ if (!init_failed && !yaffs_init_blocks(dev)) ++ init_failed = 1; ++ ++ yaffs_init_tnodes_and_objs(dev); ++ ++ if (!init_failed && !yaffs_create_initial_dir(dev)) ++ init_failed = 1; ++ ++ if (!init_failed && dev->param.is_yaffs2 && ++ !dev->param.disable_summary && ++ !yaffs_summary_init(dev)) ++ init_failed = 1; ++ ++ if (!init_failed) { ++ /* Now scan the flash. */ ++ if (dev->param.is_yaffs2) { ++ if (yaffs2_checkpt_restore(dev)) { ++ yaffs_check_obj_details_loaded(dev->root_dir); ++ yaffs_trace(YAFFS_TRACE_CHECKPOINT | ++ YAFFS_TRACE_MOUNT, ++ "yaffs: restored from checkpoint" ++ ); ++ } else { ++ ++ /* Clean up the mess caused by an aborted ++ * checkpoint load then scan backwards. ++ */ ++ yaffs_deinit_blocks(dev); ++ ++ yaffs_deinit_tnodes_and_objs(dev); ++ ++ dev->n_erased_blocks = 0; ++ dev->n_free_chunks = 0; ++ dev->alloc_block = -1; ++ dev->alloc_page = -1; ++ dev->n_deleted_files = 0; ++ dev->n_unlinked_files = 0; ++ dev->n_bg_deletions = 0; ++ ++ if (!init_failed && !yaffs_init_blocks(dev)) ++ init_failed = 1; ++ ++ yaffs_init_tnodes_and_objs(dev); ++ ++ if (!init_failed ++ && !yaffs_create_initial_dir(dev)) ++ init_failed = 1; ++ ++ if (!init_failed && !yaffs2_scan_backwards(dev)) ++ init_failed = 1; ++ } ++ } else if (!yaffs1_scan(dev)) { ++ init_failed = 1; ++ } ++ ++ yaffs_strip_deleted_objs(dev); ++ yaffs_fix_hanging_objs(dev); ++ if (dev->param.empty_lost_n_found) ++ yaffs_empty_l_n_f(dev); ++ } ++ ++ if (init_failed) { ++ /* Clean up the mess */ ++ yaffs_trace(YAFFS_TRACE_TRACING, ++ "yaffs: yaffs_guts_initialise() aborted."); ++ ++ yaffs_deinitialise(dev); ++ return YAFFS_FAIL; ++ } ++ ++ /* Zero out stats */ ++ dev->n_page_reads = 0; ++ dev->n_page_writes = 0; ++ dev->n_erasures = 0; ++ dev->n_gc_copies = 0; ++ dev->n_retried_writes = 0; ++ ++ dev->n_retired_blocks = 0; ++ ++ yaffs_verify_free_chunks(dev); ++ yaffs_verify_blocks(dev); ++ ++ /* Clean up any aborted checkpoint data */ ++ if (!dev->is_checkpointed && dev->blocks_in_checkpt > 0) ++ yaffs2_checkpt_invalidate(dev); ++ ++ yaffs_trace(YAFFS_TRACE_TRACING, ++ "yaffs: yaffs_guts_initialise() done."); ++ return YAFFS_OK; ++} ++ ++void yaffs_deinitialise(struct yaffs_dev *dev) ++{ ++ if (dev->is_mounted) { ++ int i; ++ ++ yaffs_deinit_blocks(dev); ++ yaffs_deinit_tnodes_and_objs(dev); ++ yaffs_summary_deinit(dev); ++ ++ if (dev->param.n_caches > 0 && dev->cache) { ++ ++ for (i = 0; i < dev->param.n_caches; i++) { ++ kfree(dev->cache[i].data); ++ dev->cache[i].data = NULL; ++ } ++ ++ kfree(dev->cache); ++ dev->cache = NULL; ++ } ++ ++ kfree(dev->gc_cleanup_list); ++ ++ for (i = 0; i < YAFFS_N_TEMP_BUFFERS; i++) ++ kfree(dev->temp_buffer[i].buffer); ++ ++ dev->is_mounted = 0; ++ ++ yaffs_deinit_nand(dev); ++ } ++} ++ ++int yaffs_count_free_chunks(struct yaffs_dev *dev) ++{ ++ int n_free = 0; ++ int b; ++ struct yaffs_block_info *blk; ++ ++ blk = dev->block_info; ++ for (b = dev->internal_start_block; b <= dev->internal_end_block; b++) { ++ switch (blk->block_state) { ++ case YAFFS_BLOCK_STATE_EMPTY: ++ case YAFFS_BLOCK_STATE_ALLOCATING: ++ case YAFFS_BLOCK_STATE_COLLECTING: ++ case YAFFS_BLOCK_STATE_FULL: ++ n_free += ++ (dev->param.chunks_per_block - blk->pages_in_use + ++ blk->soft_del_pages); ++ break; ++ default: ++ break; ++ } ++ blk++; ++ } ++ return n_free; ++} ++ ++int yaffs_get_n_free_chunks(struct yaffs_dev *dev) ++{ ++ /* This is what we report to the outside world */ ++ int n_free; ++ int n_dirty_caches; ++ int blocks_for_checkpt; ++ int i; ++ ++ n_free = dev->n_free_chunks; ++ n_free += dev->n_deleted_files; ++ ++ /* Now count and subtract the number of dirty chunks in the cache. */ ++ ++ for (n_dirty_caches = 0, i = 0; i < dev->param.n_caches; i++) { ++ if (dev->cache[i].dirty) ++ n_dirty_caches++; ++ } ++ ++ n_free -= n_dirty_caches; ++ ++ n_free -= ++ ((dev->param.n_reserved_blocks + 1) * dev->param.chunks_per_block); ++ ++ /* Now figure checkpoint space and report that... */ ++ blocks_for_checkpt = yaffs_calc_checkpt_blocks_required(dev); ++ ++ n_free -= (blocks_for_checkpt * dev->param.chunks_per_block); ++ ++ if (n_free < 0) ++ n_free = 0; ++ ++ return n_free; ++} ++ ++ ++ ++/* ++ * Marshalling functions to get loff_t file sizes into and out of ++ * object headers. ++ */ ++void yaffs_oh_size_load(struct yaffs_obj_hdr *oh, loff_t fsize) ++{ ++ oh->file_size_low = (fsize & 0xFFFFFFFF); ++ oh->file_size_high = ((fsize >> 32) & 0xFFFFFFFF); ++} ++ ++loff_t yaffs_oh_to_size(struct yaffs_obj_hdr *oh) ++{ ++ loff_t retval; ++ ++ if (sizeof(loff_t) >= 8 && ~(oh->file_size_high)) ++ retval = (((loff_t) oh->file_size_high) << 32) | ++ (((loff_t) oh->file_size_low) & 0xFFFFFFFF); ++ else ++ retval = (loff_t) oh->file_size_low; ++ ++ return retval; ++} ++ ++ ++void yaffs_count_blocks_by_state(struct yaffs_dev *dev, int bs[10]) ++{ ++ int i; ++ struct yaffs_block_info *bi; ++ int s; ++ ++ for(i = 0; i < 10; i++) ++ bs[i] = 0; ++ ++ for(i = dev->internal_start_block; i <= dev->internal_end_block; i++) { ++ bi = yaffs_get_block_info(dev, i); ++ s = bi->block_state; ++ if(s > YAFFS_BLOCK_STATE_DEAD || s < YAFFS_BLOCK_STATE_UNKNOWN) ++ bs[0]++; ++ else ++ bs[s]++; ++ } ++} +diff -Nur linux-3.15-rc5.orig/fs/yaffs2/yaffs_guts.h linux-3.15-rc5/fs/yaffs2/yaffs_guts.h +--- linux-3.15-rc5.orig/fs/yaffs2/yaffs_guts.h 1970-01-01 01:00:00.000000000 +0100 ++++ linux-3.15-rc5/fs/yaffs2/yaffs_guts.h 2014-05-17 01:53:27.000000000 +0200 +@@ -0,0 +1,1007 @@ ++/* ++ * YAFFS: Yet another Flash File System . A NAND-flash specific file system. ++ * ++ * Copyright (C) 2002-2011 Aleph One Ltd. ++ * for Toby Churchill Ltd and Brightstar Engineering ++ * ++ * Created by Charles Manning ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU Lesser General Public License version 2.1 as ++ * published by the Free Software Foundation. ++ * ++ * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL. ++ */ ++ ++#ifndef __YAFFS_GUTS_H__ ++#define __YAFFS_GUTS_H__ ++ ++#include "yportenv.h" ++ ++#define YAFFS_OK 1 ++#define YAFFS_FAIL 0 ++ ++/* Give us a Y=0x59, ++ * Give us an A=0x41, ++ * Give us an FF=0xff ++ * Give us an S=0x53 ++ * And what have we got... ++ */ ++#define YAFFS_MAGIC 0x5941ff53 ++ ++/* ++ * Tnodes form a tree with the tnodes in "levels" ++ * Levels greater than 0 hold 8 slots which point to other tnodes. ++ * Those at level 0 hold 16 slots which point to chunks in NAND. ++ * ++ * A maximum level of 8 thust supports files of size up to: ++ * ++ * 2^(3*MAX_LEVEL+4) ++ * ++ * Thus a max level of 8 supports files with up to 2^^28 chunks which gives ++ * a maximum file size of around 512Gbytees with 2k chunks. ++ */ ++#define YAFFS_NTNODES_LEVEL0 16 ++#define YAFFS_TNODES_LEVEL0_BITS 4 ++#define YAFFS_TNODES_LEVEL0_MASK 0xf ++ ++#define YAFFS_NTNODES_INTERNAL (YAFFS_NTNODES_LEVEL0 / 2) ++#define YAFFS_TNODES_INTERNAL_BITS (YAFFS_TNODES_LEVEL0_BITS - 1) ++#define YAFFS_TNODES_INTERNAL_MASK 0x7 ++#define YAFFS_TNODES_MAX_LEVEL 8 ++#define YAFFS_TNODES_MAX_BITS (YAFFS_TNODES_LEVEL0_BITS + \ ++ YAFFS_TNODES_INTERNAL_BITS * \ ++ YAFFS_TNODES_MAX_LEVEL) ++#define YAFFS_MAX_CHUNK_ID ((1 << YAFFS_TNODES_MAX_BITS) - 1) ++ ++#define YAFFS_MAX_FILE_SIZE_32 0x7fffffff ++ ++/* Constants for YAFFS1 mode */ ++#define YAFFS_BYTES_PER_SPARE 16 ++#define YAFFS_BYTES_PER_CHUNK 512 ++#define YAFFS_CHUNK_SIZE_SHIFT 9 ++#define YAFFS_CHUNKS_PER_BLOCK 32 ++#define YAFFS_BYTES_PER_BLOCK (YAFFS_CHUNKS_PER_BLOCK*YAFFS_BYTES_PER_CHUNK) ++ ++#define YAFFS_MIN_YAFFS2_CHUNK_SIZE 1024 ++#define YAFFS_MIN_YAFFS2_SPARE_SIZE 32 ++ ++ ++ ++#define YAFFS_ALLOCATION_NOBJECTS 100 ++#define YAFFS_ALLOCATION_NTNODES 100 ++#define YAFFS_ALLOCATION_NLINKS 100 ++ ++#define YAFFS_NOBJECT_BUCKETS 256 ++ ++#define YAFFS_OBJECT_SPACE 0x40000 ++#define YAFFS_MAX_OBJECT_ID (YAFFS_OBJECT_SPACE - 1) ++ ++/* Binary data version stamps */ ++#define YAFFS_SUMMARY_VERSION 1 ++#define YAFFS_CHECKPOINT_VERSION 7 ++ ++#ifdef CONFIG_YAFFS_UNICODE ++#define YAFFS_MAX_NAME_LENGTH 127 ++#define YAFFS_MAX_ALIAS_LENGTH 79 ++#else ++#define YAFFS_MAX_NAME_LENGTH 255 ++#define YAFFS_MAX_ALIAS_LENGTH 159 ++#endif ++ ++#define YAFFS_SHORT_NAME_LENGTH 15 ++ ++/* Some special object ids for pseudo objects */ ++#define YAFFS_OBJECTID_ROOT 1 ++#define YAFFS_OBJECTID_LOSTNFOUND 2 ++#define YAFFS_OBJECTID_UNLINKED 3 ++#define YAFFS_OBJECTID_DELETED 4 ++ ++/* Fake object Id for summary data */ ++#define YAFFS_OBJECTID_SUMMARY 0x10 ++ ++/* Pseudo object ids for checkpointing */ ++#define YAFFS_OBJECTID_CHECKPOINT_DATA 0x20 ++#define YAFFS_SEQUENCE_CHECKPOINT_DATA 0x21 ++ ++#define YAFFS_MAX_SHORT_OP_CACHES 20 ++ ++#define YAFFS_N_TEMP_BUFFERS 6 ++ ++/* We limit the number attempts at sucessfully saving a chunk of data. ++ * Small-page devices have 32 pages per block; large-page devices have 64. ++ * Default to something in the order of 5 to 10 blocks worth of chunks. ++ */ ++#define YAFFS_WR_ATTEMPTS (5*64) ++ ++/* Sequence numbers are used in YAFFS2 to determine block allocation order. ++ * The range is limited slightly to help distinguish bad numbers from good. ++ * This also allows us to perhaps in the future use special numbers for ++ * special purposes. ++ * EFFFFF00 allows the allocation of 8 blocks/second (~1Mbytes) for 15 years, ++ * and is a larger number than the lifetime of a 2GB device. ++ */ ++#define YAFFS_LOWEST_SEQUENCE_NUMBER 0x00001000 ++#define YAFFS_HIGHEST_SEQUENCE_NUMBER 0xefffff00 ++ ++/* Special sequence number for bad block that failed to be marked bad */ ++#define YAFFS_SEQUENCE_BAD_BLOCK 0xffff0000 ++ ++/* ChunkCache is used for short read/write operations.*/ ++struct yaffs_cache { ++ struct yaffs_obj *object; ++ int chunk_id; ++ int last_use; ++ int dirty; ++ int n_bytes; /* Only valid if the cache is dirty */ ++ int locked; /* Can't push out or flush while locked. */ ++ u8 *data; ++}; ++ ++/* yaffs1 tags structures in RAM ++ * NB This uses bitfield. Bitfields should not straddle a u32 boundary ++ * otherwise the structure size will get blown out. ++ */ ++ ++struct yaffs_tags { ++ u32 chunk_id:20; ++ u32 serial_number:2; ++ u32 n_bytes_lsb:10; ++ u32 obj_id:18; ++ u32 ecc:12; ++ u32 n_bytes_msb:2; ++}; ++ ++union yaffs_tags_union { ++ struct yaffs_tags as_tags; ++ u8 as_bytes[8]; ++}; ++ ++ ++/* Stuff used for extended tags in YAFFS2 */ ++ ++enum yaffs_ecc_result { ++ YAFFS_ECC_RESULT_UNKNOWN, ++ YAFFS_ECC_RESULT_NO_ERROR, ++ YAFFS_ECC_RESULT_FIXED, ++ YAFFS_ECC_RESULT_UNFIXED ++}; ++ ++enum yaffs_obj_type { ++ YAFFS_OBJECT_TYPE_UNKNOWN, ++ YAFFS_OBJECT_TYPE_FILE, ++ YAFFS_OBJECT_TYPE_SYMLINK, ++ YAFFS_OBJECT_TYPE_DIRECTORY, ++ YAFFS_OBJECT_TYPE_HARDLINK, ++ YAFFS_OBJECT_TYPE_SPECIAL ++}; ++ ++#define YAFFS_OBJECT_TYPE_MAX YAFFS_OBJECT_TYPE_SPECIAL ++ ++struct yaffs_ext_tags { ++ unsigned chunk_used; /* Status of the chunk: used or unused */ ++ unsigned obj_id; /* If 0 this is not used */ ++ unsigned chunk_id; /* If 0 this is a header, else a data chunk */ ++ unsigned n_bytes; /* Only valid for data chunks */ ++ ++ /* The following stuff only has meaning when we read */ ++ enum yaffs_ecc_result ecc_result; ++ unsigned block_bad; ++ ++ /* YAFFS 1 stuff */ ++ unsigned is_deleted; /* The chunk is marked deleted */ ++ unsigned serial_number; /* Yaffs1 2-bit serial number */ ++ ++ /* YAFFS2 stuff */ ++ unsigned seq_number; /* The sequence number of this block */ ++ ++ /* Extra info if this is an object header (YAFFS2 only) */ ++ ++ unsigned extra_available; /* Extra info available if not zero */ ++ unsigned extra_parent_id; /* The parent object */ ++ unsigned extra_is_shrink; /* Is it a shrink header? */ ++ unsigned extra_shadows; /* Does this shadow another object? */ ++ ++ enum yaffs_obj_type extra_obj_type; /* What object type? */ ++ ++ loff_t extra_file_size; /* Length if it is a file */ ++ unsigned extra_equiv_id; /* Equivalent object for a hard link */ ++}; ++ ++/* Spare structure for YAFFS1 */ ++struct yaffs_spare { ++ u8 tb0; ++ u8 tb1; ++ u8 tb2; ++ u8 tb3; ++ u8 page_status; /* set to 0 to delete the chunk */ ++ u8 block_status; ++ u8 tb4; ++ u8 tb5; ++ u8 ecc1[3]; ++ u8 tb6; ++ u8 tb7; ++ u8 ecc2[3]; ++}; ++ ++/*Special structure for passing through to mtd */ ++struct yaffs_nand_spare { ++ struct yaffs_spare spare; ++ int eccres1; ++ int eccres2; ++}; ++ ++/* Block data in RAM */ ++ ++enum yaffs_block_state { ++ YAFFS_BLOCK_STATE_UNKNOWN = 0, ++ ++ YAFFS_BLOCK_STATE_SCANNING, ++ /* Being scanned */ ++ ++ YAFFS_BLOCK_STATE_NEEDS_SCAN, ++ /* The block might have something on it (ie it is allocating or full, ++ * perhaps empty) but it needs to be scanned to determine its true ++ * state. ++ * This state is only valid during scanning. ++ * NB We tolerate empty because the pre-scanner might be incapable of ++ * deciding ++ * However, if this state is returned on a YAFFS2 device, ++ * then we expect a sequence number ++ */ ++ ++ YAFFS_BLOCK_STATE_EMPTY, ++ /* This block is empty */ ++ ++ YAFFS_BLOCK_STATE_ALLOCATING, ++ /* This block is partially allocated. ++ * At least one page holds valid data. ++ * This is the one currently being used for page ++ * allocation. Should never be more than one of these. ++ * If a block is only partially allocated at mount it is treated as ++ * full. ++ */ ++ ++ YAFFS_BLOCK_STATE_FULL, ++ /* All the pages in this block have been allocated. ++ * If a block was only partially allocated when mounted we treat ++ * it as fully allocated. ++ */ ++ ++ YAFFS_BLOCK_STATE_DIRTY, ++ /* The block was full and now all chunks have been deleted. ++ * Erase me, reuse me. ++ */ ++ ++ YAFFS_BLOCK_STATE_CHECKPOINT, ++ /* This block is assigned to holding checkpoint data. */ ++ ++ YAFFS_BLOCK_STATE_COLLECTING, ++ /* This block is being garbage collected */ ++ ++ YAFFS_BLOCK_STATE_DEAD ++ /* This block has failed and is not in use */ ++}; ++ ++#define YAFFS_NUMBER_OF_BLOCK_STATES (YAFFS_BLOCK_STATE_DEAD + 1) ++ ++struct yaffs_block_info { ++ ++ s32 soft_del_pages:10; /* number of soft deleted pages */ ++ s32 pages_in_use:10; /* number of pages in use */ ++ u32 block_state:4; /* One of the above block states. */ ++ /* NB use unsigned because enum is sometimes ++ * an int */ ++ u32 needs_retiring:1; /* Data has failed on this block, */ ++ /*need to get valid data off and retire*/ ++ u32 skip_erased_check:1;/* Skip the erased check on this block */ ++ u32 gc_prioritise:1; /* An ECC check or blank check has failed. ++ Block should be prioritised for GC */ ++ u32 chunk_error_strikes:3; /* How many times we've had ecc etc ++ failures on this block and tried to reuse it */ ++ u32 has_summary:1; /* The block has a summary */ ++ ++ u32 has_shrink_hdr:1; /* This block has at least one shrink header */ ++ u32 seq_number; /* block sequence number for yaffs2 */ ++ ++}; ++ ++/* -------------------------- Object structure -------------------------------*/ ++/* This is the object structure as stored on NAND */ ++ ++struct yaffs_obj_hdr { ++ enum yaffs_obj_type type; ++ ++ /* Apply to everything */ ++ int parent_obj_id; ++ u16 sum_no_longer_used; /* checksum of name. No longer used */ ++ YCHAR name[YAFFS_MAX_NAME_LENGTH + 1]; ++ ++ /* The following apply to all object types except for hard links */ ++ u32 yst_mode; /* protection */ ++ ++ u32 yst_uid; ++ u32 yst_gid; ++ u32 yst_atime; ++ u32 yst_mtime; ++ u32 yst_ctime; ++ ++ /* File size applies to files only */ ++ u32 file_size_low; ++ ++ /* Equivalent object id applies to hard links only. */ ++ int equiv_id; ++ ++ /* Alias is for symlinks only. */ ++ YCHAR alias[YAFFS_MAX_ALIAS_LENGTH + 1]; ++ ++ u32 yst_rdev; /* stuff for block and char devices (major/min) */ ++ ++ u32 win_ctime[2]; ++ u32 win_atime[2]; ++ u32 win_mtime[2]; ++ ++ u32 inband_shadowed_obj_id; ++ u32 inband_is_shrink; ++ ++ u32 file_size_high; ++ u32 reserved[1]; ++ int shadows_obj; /* This object header shadows the ++ specified object if > 0 */ ++ ++ /* is_shrink applies to object headers written when wemake a hole. */ ++ u32 is_shrink; ++ ++}; ++ ++/*--------------------------- Tnode -------------------------- */ ++ ++struct yaffs_tnode { ++ struct yaffs_tnode *internal[YAFFS_NTNODES_INTERNAL]; ++}; ++ ++/*------------------------ Object -----------------------------*/ ++/* An object can be one of: ++ * - a directory (no data, has children links ++ * - a regular file (data.... not prunes :->). ++ * - a symlink [symbolic link] (the alias). ++ * - a hard link ++ */ ++ ++struct yaffs_file_var { ++ loff_t file_size; ++ loff_t scanned_size; ++ loff_t shrink_size; ++ int top_level; ++ struct yaffs_tnode *top; ++}; ++ ++struct yaffs_dir_var { ++ struct list_head children; /* list of child links */ ++ struct list_head dirty; /* Entry for list of dirty directories */ ++}; ++ ++struct yaffs_symlink_var { ++ YCHAR *alias; ++}; ++ ++struct yaffs_hardlink_var { ++ struct yaffs_obj *equiv_obj; ++ u32 equiv_id; ++}; ++ ++union yaffs_obj_var { ++ struct yaffs_file_var file_variant; ++ struct yaffs_dir_var dir_variant; ++ struct yaffs_symlink_var symlink_variant; ++ struct yaffs_hardlink_var hardlink_variant; ++}; ++ ++struct yaffs_obj { ++ u8 deleted:1; /* This should only apply to unlinked files. */ ++ u8 soft_del:1; /* it has also been soft deleted */ ++ u8 unlinked:1; /* An unlinked file.*/ ++ u8 fake:1; /* A fake object has no presence on NAND. */ ++ u8 rename_allowed:1; /* Some objects cannot be renamed. */ ++ u8 unlink_allowed:1; ++ u8 dirty:1; /* the object needs to be written to flash */ ++ u8 valid:1; /* When the file system is being loaded up, this ++ * object might be created before the data ++ * is available ++ * ie. file data chunks encountered before ++ * the header. ++ */ ++ u8 lazy_loaded:1; /* This object has been lazy loaded and ++ * is missing some detail */ ++ ++ u8 defered_free:1; /* Object is removed from NAND, but is ++ * still in the inode cache. ++ * Free of object is defered. ++ * until the inode is released. ++ */ ++ u8 being_created:1; /* This object is still being created ++ * so skip some verification checks. */ ++ u8 is_shadowed:1; /* This object is shadowed on the way ++ * to being renamed. */ ++ ++ u8 xattr_known:1; /* We know if this has object has xattribs ++ * or not. */ ++ u8 has_xattr:1; /* This object has xattribs. ++ * Only valid if xattr_known. */ ++ ++ u8 serial; /* serial number of chunk in NAND.*/ ++ u16 sum; /* sum of the name to speed searching */ ++ ++ struct yaffs_dev *my_dev; /* The device I'm on */ ++ ++ struct list_head hash_link; /* list of objects in hash bucket */ ++ ++ struct list_head hard_links; /* hard linked object chain*/ ++ ++ /* directory structure stuff */ ++ /* also used for linking up the free list */ ++ struct yaffs_obj *parent; ++ struct list_head siblings; ++ ++ /* Where's my object header in NAND? */ ++ int hdr_chunk; ++ ++ int n_data_chunks; /* Number of data chunks for this file. */ ++ ++ u32 obj_id; /* the object id value */ ++ ++ u32 yst_mode; ++ ++ YCHAR short_name[YAFFS_SHORT_NAME_LENGTH + 1]; ++ ++#ifdef CONFIG_YAFFS_WINCE ++ u32 win_ctime[2]; ++ u32 win_mtime[2]; ++ u32 win_atime[2]; ++#else ++ u32 yst_uid; ++ u32 yst_gid; ++ u32 yst_atime; ++ u32 yst_mtime; ++ u32 yst_ctime; ++#endif ++ ++ u32 yst_rdev; ++ ++ void *my_inode; ++ ++ enum yaffs_obj_type variant_type; ++ ++ union yaffs_obj_var variant; ++ ++}; ++ ++struct yaffs_obj_bucket { ++ struct list_head list; ++ int count; ++}; ++ ++/* yaffs_checkpt_obj holds the definition of an object as dumped ++ * by checkpointing. ++ */ ++ ++struct yaffs_checkpt_obj { ++ int struct_type; ++ u32 obj_id; ++ u32 parent_id; ++ int hdr_chunk; ++ enum yaffs_obj_type variant_type:3; ++ u8 deleted:1; ++ u8 soft_del:1; ++ u8 unlinked:1; ++ u8 fake:1; ++ u8 rename_allowed:1; ++ u8 unlink_allowed:1; ++ u8 serial; ++ int n_data_chunks; ++ loff_t size_or_equiv_obj; ++}; ++ ++/*--------------------- Temporary buffers ---------------- ++ * ++ * These are chunk-sized working buffers. Each device has a few. ++ */ ++ ++struct yaffs_buffer { ++ u8 *buffer; ++ int in_use; ++}; ++ ++/*----------------- Device ---------------------------------*/ ++ ++struct yaffs_param { ++ const YCHAR *name; ++ ++ /* ++ * Entry parameters set up way early. Yaffs sets up the rest. ++ * The structure should be zeroed out before use so that unused ++ * and default values are zero. ++ */ ++ ++ int inband_tags; /* Use unband tags */ ++ u32 total_bytes_per_chunk; /* Should be >= 512, does not need to ++ be a power of 2 */ ++ int chunks_per_block; /* does not need to be a power of 2 */ ++ int spare_bytes_per_chunk; /* spare area size */ ++ int start_block; /* Start block we're allowed to use */ ++ int end_block; /* End block we're allowed to use */ ++ int n_reserved_blocks; /* Tuneable so that we can reduce ++ * reserved blocks on NOR and RAM. */ ++ ++ int n_caches; /* If <= 0, then short op caching is disabled, ++ * else the number of short op caches. ++ */ ++ int cache_bypass_aligned; /* If non-zero then bypass the cache for ++ * aligned writes. ++ */ ++ ++ int use_nand_ecc; /* Flag to decide whether or not to use ++ * NAND driver ECC on data (yaffs1) */ ++ int tags_9bytes; /* Use 9 byte tags */ ++ int no_tags_ecc; /* Flag to decide whether or not to do ECC ++ * on packed tags (yaffs2) */ ++ ++ int is_yaffs2; /* Use yaffs2 mode on this device */ ++ ++ int empty_lost_n_found; /* Auto-empty lost+found directory on mount */ ++ ++ int refresh_period; /* How often to check for a block refresh */ ++ ++ /* Checkpoint control. Can be set before or after initialisation */ ++ u8 skip_checkpt_rd; ++ u8 skip_checkpt_wr; ++ ++ int enable_xattr; /* Enable xattribs */ ++ ++ int max_objects; /* ++ * Set to limit the number of objects created. ++ * 0 = no limit. ++ */ ++ ++ /* The remove_obj_fn function must be supplied by OS flavours that ++ * need it. ++ * yaffs direct uses it to implement the faster readdir. ++ * Linux uses it to protect the directory during unlocking. ++ */ ++ void (*remove_obj_fn) (struct yaffs_obj *obj); ++ ++ /* Callback to mark the superblock dirty */ ++ void (*sb_dirty_fn) (struct yaffs_dev *dev); ++ ++ /* Callback to control garbage collection. */ ++ unsigned (*gc_control_fn) (struct yaffs_dev *dev); ++ ++ /* Debug control flags. Don't use unless you know what you're doing */ ++ int use_header_file_size; /* Flag to determine if we should use ++ * file sizes from the header */ ++ int disable_lazy_load; /* Disable lazy loading on this device */ ++ int wide_tnodes_disabled; /* Set to disable wide tnodes */ ++ int disable_soft_del; /* yaffs 1 only: Set to disable the use of ++ * softdeletion. */ ++ ++ int defered_dir_update; /* Set to defer directory updates */ ++ ++#ifdef CONFIG_YAFFS_AUTO_UNICODE ++ int auto_unicode; ++#endif ++ int always_check_erased; /* Force chunk erased check always on */ ++ ++ int disable_summary; ++ int disable_bad_block_marking; ++ ++}; ++ ++struct yaffs_driver { ++ int (*drv_write_chunk_fn) (struct yaffs_dev *dev, int nand_chunk, ++ const u8 *data, int data_len, ++ const u8 *oob, int oob_len); ++ int (*drv_read_chunk_fn) (struct yaffs_dev *dev, int nand_chunk, ++ u8 *data, int data_len, ++ u8 *oob, int oob_len, ++ enum yaffs_ecc_result *ecc_result); ++ int (*drv_erase_fn) (struct yaffs_dev *dev, int block_no); ++ int (*drv_mark_bad_fn) (struct yaffs_dev *dev, int block_no); ++ int (*drv_check_bad_fn) (struct yaffs_dev *dev, int block_no); ++ int (*drv_initialise_fn) (struct yaffs_dev *dev); ++ int (*drv_deinitialise_fn) (struct yaffs_dev *dev); ++}; ++ ++struct yaffs_tags_handler { ++ int (*write_chunk_tags_fn) (struct yaffs_dev *dev, ++ int nand_chunk, const u8 *data, ++ const struct yaffs_ext_tags *tags); ++ int (*read_chunk_tags_fn) (struct yaffs_dev *dev, ++ int nand_chunk, u8 *data, ++ struct yaffs_ext_tags *tags); ++ ++ int (*query_block_fn) (struct yaffs_dev *dev, int block_no, ++ enum yaffs_block_state *state, ++ u32 *seq_number); ++ int (*mark_bad_fn) (struct yaffs_dev *dev, int block_no); ++}; ++ ++struct yaffs_dev { ++ struct yaffs_param param; ++ struct yaffs_driver drv; ++ struct yaffs_tags_handler tagger; ++ ++ /* Context storage. Holds extra OS specific data for this device */ ++ ++ void *os_context; ++ void *driver_context; ++ ++ struct list_head dev_list; ++ ++ int ll_init; ++ /* Runtime parameters. Set up by YAFFS. */ ++ int data_bytes_per_chunk; ++ ++ /* Non-wide tnode stuff */ ++ u16 chunk_grp_bits; /* Number of bits that need to be resolved if ++ * the tnodes are not wide enough. ++ */ ++ u16 chunk_grp_size; /* == 2^^chunk_grp_bits */ ++ ++ /* Stuff to support wide tnodes */ ++ u32 tnode_width; ++ u32 tnode_mask; ++ u32 tnode_size; ++ ++ /* Stuff for figuring out file offset to chunk conversions */ ++ u32 chunk_shift; /* Shift value */ ++ u32 chunk_div; /* Divisor after shifting: 1 for 2^n sizes */ ++ u32 chunk_mask; /* Mask to use for power-of-2 case */ ++ ++ int is_mounted; ++ int read_only; ++ int is_checkpointed; ++ ++ /* Stuff to support block offsetting to support start block zero */ ++ int internal_start_block; ++ int internal_end_block; ++ int block_offset; ++ int chunk_offset; ++ ++ /* Runtime checkpointing stuff */ ++ int checkpt_page_seq; /* running sequence number of checkpt pages */ ++ int checkpt_byte_count; ++ int checkpt_byte_offs; ++ u8 *checkpt_buffer; ++ int checkpt_open_write; ++ int blocks_in_checkpt; ++ int checkpt_cur_chunk; ++ int checkpt_cur_block; ++ int checkpt_next_block; ++ int *checkpt_block_list; ++ int checkpt_max_blocks; ++ u32 checkpt_sum; ++ u32 checkpt_xor; ++ ++ int checkpoint_blocks_required; /* Number of blocks needed to store ++ * current checkpoint set */ ++ ++ /* Block Info */ ++ struct yaffs_block_info *block_info; ++ u8 *chunk_bits; /* bitmap of chunks in use */ ++ u8 block_info_alt:1; /* allocated using alternative alloc */ ++ u8 chunk_bits_alt:1; /* allocated using alternative alloc */ ++ int chunk_bit_stride; /* Number of bytes of chunk_bits per block. ++ * Must be consistent with chunks_per_block. ++ */ ++ ++ int n_erased_blocks; ++ int alloc_block; /* Current block being allocated off */ ++ u32 alloc_page; ++ int alloc_block_finder; /* Used to search for next allocation block */ ++ ++ /* Object and Tnode memory management */ ++ void *allocator; ++ int n_obj; ++ int n_tnodes; ++ ++ int n_hardlinks; ++ ++ struct yaffs_obj_bucket obj_bucket[YAFFS_NOBJECT_BUCKETS]; ++ u32 bucket_finder; ++ ++ int n_free_chunks; ++ ++ /* Garbage collection control */ ++ u32 *gc_cleanup_list; /* objects to delete at the end of a GC. */ ++ u32 n_clean_ups; ++ ++ unsigned has_pending_prioritised_gc; /* We think this device might ++ have pending prioritised gcs */ ++ unsigned gc_disable; ++ unsigned gc_block_finder; ++ unsigned gc_dirtiest; ++ unsigned gc_pages_in_use; ++ unsigned gc_not_done; ++ unsigned gc_block; ++ unsigned gc_chunk; ++ unsigned gc_skip; ++ struct yaffs_summary_tags *gc_sum_tags; ++ ++ /* Special directories */ ++ struct yaffs_obj *root_dir; ++ struct yaffs_obj *lost_n_found; ++ ++ int buffered_block; /* Which block is buffered here? */ ++ int doing_buffered_block_rewrite; ++ ++ struct yaffs_cache *cache; ++ int cache_last_use; ++ ++ /* Stuff for background deletion and unlinked files. */ ++ struct yaffs_obj *unlinked_dir; /* Directory where unlinked and deleted ++ files live. */ ++ struct yaffs_obj *del_dir; /* Directory where deleted objects are ++ sent to disappear. */ ++ struct yaffs_obj *unlinked_deletion; /* Current file being ++ background deleted. */ ++ int n_deleted_files; /* Count of files awaiting deletion; */ ++ int n_unlinked_files; /* Count of unlinked files. */ ++ int n_bg_deletions; /* Count of background deletions. */ ++ ++ /* Temporary buffer management */ ++ struct yaffs_buffer temp_buffer[YAFFS_N_TEMP_BUFFERS]; ++ int max_temp; ++ int temp_in_use; ++ int unmanaged_buffer_allocs; ++ int unmanaged_buffer_deallocs; ++ ++ /* yaffs2 runtime stuff */ ++ unsigned seq_number; /* Sequence number of currently ++ allocating block */ ++ unsigned oldest_dirty_seq; ++ unsigned oldest_dirty_block; ++ ++ /* Block refreshing */ ++ int refresh_skip; /* A skip down counter. ++ * Refresh happens when this gets to zero. */ ++ ++ /* Dirty directory handling */ ++ struct list_head dirty_dirs; /* List of dirty directories */ ++ ++ /* Summary */ ++ int chunks_per_summary; ++ struct yaffs_summary_tags *sum_tags; ++ ++ /* Statistics */ ++ u32 n_page_writes; ++ u32 n_page_reads; ++ u32 n_erasures; ++ u32 n_bad_queries; ++ u32 n_bad_markings; ++ u32 n_erase_failures; ++ u32 n_gc_copies; ++ u32 all_gcs; ++ u32 passive_gc_count; ++ u32 oldest_dirty_gc_count; ++ u32 n_gc_blocks; ++ u32 bg_gcs; ++ u32 n_retried_writes; ++ u32 n_retired_blocks; ++ u32 n_ecc_fixed; ++ u32 n_ecc_unfixed; ++ u32 n_tags_ecc_fixed; ++ u32 n_tags_ecc_unfixed; ++ u32 n_deletions; ++ u32 n_unmarked_deletions; ++ u32 refresh_count; ++ u32 cache_hits; ++ u32 tags_used; ++ u32 summary_used; ++ ++}; ++ ++/* The CheckpointDevice structure holds the device information that changes ++ *at runtime and must be preserved over unmount/mount cycles. ++ */ ++struct yaffs_checkpt_dev { ++ int struct_type; ++ int n_erased_blocks; ++ int alloc_block; /* Current block being allocated off */ ++ u32 alloc_page; ++ int n_free_chunks; ++ ++ int n_deleted_files; /* Count of files awaiting deletion; */ ++ int n_unlinked_files; /* Count of unlinked files. */ ++ int n_bg_deletions; /* Count of background deletions. */ ++ ++ /* yaffs2 runtime stuff */ ++ unsigned seq_number; /* Sequence number of currently ++ * allocating block */ ++ ++}; ++ ++struct yaffs_checkpt_validity { ++ int struct_type; ++ u32 magic; ++ u32 version; ++ u32 head; ++}; ++ ++struct yaffs_shadow_fixer { ++ int obj_id; ++ int shadowed_id; ++ struct yaffs_shadow_fixer *next; ++}; ++ ++/* Structure for doing xattr modifications */ ++struct yaffs_xattr_mod { ++ int set; /* If 0 then this is a deletion */ ++ const YCHAR *name; ++ const void *data; ++ int size; ++ int flags; ++ int result; ++}; ++ ++/*----------------------- YAFFS Functions -----------------------*/ ++ ++int yaffs_guts_initialise(struct yaffs_dev *dev); ++void yaffs_deinitialise(struct yaffs_dev *dev); ++ ++int yaffs_get_n_free_chunks(struct yaffs_dev *dev); ++ ++int yaffs_rename_obj(struct yaffs_obj *old_dir, const YCHAR * old_name, ++ struct yaffs_obj *new_dir, const YCHAR * new_name); ++ ++int yaffs_unlinker(struct yaffs_obj *dir, const YCHAR * name); ++int yaffs_del_obj(struct yaffs_obj *obj); ++struct yaffs_obj *yaffs_retype_obj(struct yaffs_obj *obj, ++ enum yaffs_obj_type type); ++ ++ ++int yaffs_get_obj_name(struct yaffs_obj *obj, YCHAR * name, int buffer_size); ++loff_t yaffs_get_obj_length(struct yaffs_obj *obj); ++int yaffs_get_obj_inode(struct yaffs_obj *obj); ++unsigned yaffs_get_obj_type(struct yaffs_obj *obj); ++int yaffs_get_obj_link_count(struct yaffs_obj *obj); ++ ++/* File operations */ ++int yaffs_file_rd(struct yaffs_obj *obj, u8 * buffer, loff_t offset, ++ int n_bytes); ++int yaffs_wr_file(struct yaffs_obj *obj, const u8 * buffer, loff_t offset, ++ int n_bytes, int write_trhrough); ++int yaffs_resize_file(struct yaffs_obj *obj, loff_t new_size); ++ ++struct yaffs_obj *yaffs_create_file(struct yaffs_obj *parent, ++ const YCHAR *name, u32 mode, u32 uid, ++ u32 gid); ++ ++int yaffs_flush_file(struct yaffs_obj *obj, int update_time, int data_sync); ++ ++/* Flushing and checkpointing */ ++void yaffs_flush_whole_cache(struct yaffs_dev *dev); ++ ++int yaffs_checkpoint_save(struct yaffs_dev *dev); ++int yaffs_checkpoint_restore(struct yaffs_dev *dev); ++ ++/* Directory operations */ ++struct yaffs_obj *yaffs_create_dir(struct yaffs_obj *parent, const YCHAR *name, ++ u32 mode, u32 uid, u32 gid); ++struct yaffs_obj *yaffs_find_by_name(struct yaffs_obj *the_dir, ++ const YCHAR *name); ++struct yaffs_obj *yaffs_find_by_number(struct yaffs_dev *dev, u32 number); ++ ++/* Link operations */ ++struct yaffs_obj *yaffs_link_obj(struct yaffs_obj *parent, const YCHAR *name, ++ struct yaffs_obj *equiv_obj); ++ ++struct yaffs_obj *yaffs_get_equivalent_obj(struct yaffs_obj *obj); ++ ++/* Symlink operations */ ++struct yaffs_obj *yaffs_create_symlink(struct yaffs_obj *parent, ++ const YCHAR *name, u32 mode, u32 uid, ++ u32 gid, const YCHAR *alias); ++YCHAR *yaffs_get_symlink_alias(struct yaffs_obj *obj); ++ ++/* Special inodes (fifos, sockets and devices) */ ++struct yaffs_obj *yaffs_create_special(struct yaffs_obj *parent, ++ const YCHAR *name, u32 mode, u32 uid, ++ u32 gid, u32 rdev); ++ ++int yaffs_set_xattrib(struct yaffs_obj *obj, const YCHAR *name, ++ const void *value, int size, int flags); ++int yaffs_get_xattrib(struct yaffs_obj *obj, const YCHAR *name, void *value, ++ int size); ++int yaffs_list_xattrib(struct yaffs_obj *obj, char *buffer, int size); ++int yaffs_remove_xattrib(struct yaffs_obj *obj, const YCHAR *name); ++ ++/* Special directories */ ++struct yaffs_obj *yaffs_root(struct yaffs_dev *dev); ++struct yaffs_obj *yaffs_lost_n_found(struct yaffs_dev *dev); ++ ++void yaffs_handle_defered_free(struct yaffs_obj *obj); ++ ++void yaffs_update_dirty_dirs(struct yaffs_dev *dev); ++ ++int yaffs_bg_gc(struct yaffs_dev *dev, unsigned urgency); ++ ++/* Debug dump */ ++int yaffs_dump_obj(struct yaffs_obj *obj); ++ ++void yaffs_guts_test(struct yaffs_dev *dev); ++int yaffs_guts_ll_init(struct yaffs_dev *dev); ++ ++ ++/* A few useful functions to be used within the core files*/ ++void yaffs_chunk_del(struct yaffs_dev *dev, int chunk_id, int mark_flash, ++ int lyn); ++int yaffs_check_ff(u8 *buffer, int n_bytes); ++void yaffs_handle_chunk_error(struct yaffs_dev *dev, ++ struct yaffs_block_info *bi); ++ ++u8 *yaffs_get_temp_buffer(struct yaffs_dev *dev); ++void yaffs_release_temp_buffer(struct yaffs_dev *dev, u8 *buffer); ++ ++struct yaffs_obj *yaffs_find_or_create_by_number(struct yaffs_dev *dev, ++ int number, ++ enum yaffs_obj_type type); ++int yaffs_put_chunk_in_file(struct yaffs_obj *in, int inode_chunk, ++ int nand_chunk, int in_scan); ++void yaffs_set_obj_name(struct yaffs_obj *obj, const YCHAR *name); ++void yaffs_set_obj_name_from_oh(struct yaffs_obj *obj, ++ const struct yaffs_obj_hdr *oh); ++void yaffs_add_obj_to_dir(struct yaffs_obj *directory, struct yaffs_obj *obj); ++YCHAR *yaffs_clone_str(const YCHAR *str); ++void yaffs_link_fixup(struct yaffs_dev *dev, struct list_head *hard_list); ++void yaffs_block_became_dirty(struct yaffs_dev *dev, int block_no); ++int yaffs_update_oh(struct yaffs_obj *in, const YCHAR *name, ++ int force, int is_shrink, int shadows, ++ struct yaffs_xattr_mod *xop); ++void yaffs_handle_shadowed_obj(struct yaffs_dev *dev, int obj_id, ++ int backward_scanning); ++int yaffs_check_alloc_available(struct yaffs_dev *dev, int n_chunks); ++struct yaffs_tnode *yaffs_get_tnode(struct yaffs_dev *dev); ++struct yaffs_tnode *yaffs_add_find_tnode_0(struct yaffs_dev *dev, ++ struct yaffs_file_var *file_struct, ++ u32 chunk_id, ++ struct yaffs_tnode *passed_tn); ++ ++int yaffs_do_file_wr(struct yaffs_obj *in, const u8 *buffer, loff_t offset, ++ int n_bytes, int write_trhrough); ++void yaffs_resize_file_down(struct yaffs_obj *obj, loff_t new_size); ++void yaffs_skip_rest_of_block(struct yaffs_dev *dev); ++ ++int yaffs_count_free_chunks(struct yaffs_dev *dev); ++ ++struct yaffs_tnode *yaffs_find_tnode_0(struct yaffs_dev *dev, ++ struct yaffs_file_var *file_struct, ++ u32 chunk_id); ++ ++u32 yaffs_get_group_base(struct yaffs_dev *dev, struct yaffs_tnode *tn, ++ unsigned pos); ++ ++int yaffs_is_non_empty_dir(struct yaffs_obj *obj); ++ ++int yaffs_guts_format_dev(struct yaffs_dev *dev); ++ ++void yaffs_addr_to_chunk(struct yaffs_dev *dev, loff_t addr, ++ int *chunk_out, u32 *offset_out); ++/* ++ * Marshalling functions to get loff_t file sizes into aand out of ++ * object headers. ++ */ ++void yaffs_oh_size_load(struct yaffs_obj_hdr *oh, loff_t fsize); ++loff_t yaffs_oh_to_size(struct yaffs_obj_hdr *oh); ++loff_t yaffs_max_file_size(struct yaffs_dev *dev); ++ ++/* ++ * Debug function to count number of blocks in each state ++ * NB Needs to be called with correct number of integers ++ */ ++ ++void yaffs_count_blocks_by_state(struct yaffs_dev *dev, int bs[10]); ++ ++int yaffs_find_chunk_in_file(struct yaffs_obj *in, int inode_chunk, ++ struct yaffs_ext_tags *tags); ++ ++#endif +diff -Nur linux-3.15-rc5.orig/fs/yaffs2/yaffs_linux.h linux-3.15-rc5/fs/yaffs2/yaffs_linux.h +--- linux-3.15-rc5.orig/fs/yaffs2/yaffs_linux.h 1970-01-01 01:00:00.000000000 +0100 ++++ linux-3.15-rc5/fs/yaffs2/yaffs_linux.h 2014-05-17 01:53:27.000000000 +0200 +@@ -0,0 +1,48 @@ ++/* ++ * YAFFS: Yet another Flash File System . A NAND-flash specific file system. ++ * ++ * Copyright (C) 2002-2011 Aleph One Ltd. ++ * for Toby Churchill Ltd and Brightstar Engineering ++ * ++ * Created by Charles Manning ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU Lesser General Public License version 2.1 as ++ * published by the Free Software Foundation. ++ * ++ * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL. ++ */ ++ ++#ifndef __YAFFS_LINUX_H__ ++#define __YAFFS_LINUX_H__ ++ ++#include "yportenv.h" ++ ++struct yaffs_linux_context { ++ struct list_head context_list; /* List of these we have mounted */ ++ struct yaffs_dev *dev; ++ struct super_block *super; ++ struct task_struct *bg_thread; /* Background thread for this device */ ++ int bg_running; ++ struct mutex gross_lock; /* Gross locking mutex*/ ++ u8 *spare_buffer; /* For mtdif2 use. Don't know the buffer size ++ * at compile time so we have to allocate it. ++ */ ++ struct list_head search_contexts; ++ struct task_struct *readdir_process; ++ unsigned mount_id; ++ int dirty; ++}; ++ ++#define yaffs_dev_to_lc(dev) ((struct yaffs_linux_context *)((dev)->os_context)) ++#define yaffs_dev_to_mtd(dev) ((struct mtd_info *)((dev)->driver_context)) ++ ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17)) ++#define WRITE_SIZE_STR "writesize" ++#define WRITE_SIZE(mtd) ((mtd)->writesize) ++#else ++#define WRITE_SIZE_STR "oobblock" ++#define WRITE_SIZE(mtd) ((mtd)->oobblock) ++#endif ++ ++#endif +diff -Nur linux-3.15-rc5.orig/fs/yaffs2/yaffs_mtdif.c linux-3.15-rc5/fs/yaffs2/yaffs_mtdif.c +--- linux-3.15-rc5.orig/fs/yaffs2/yaffs_mtdif.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-3.15-rc5/fs/yaffs2/yaffs_mtdif.c 2014-05-17 01:53:27.000000000 +0200 +@@ -0,0 +1,309 @@ ++/* ++ * YAFFS: Yet Another Flash File System. A NAND-flash specific file system. ++ * ++ * Copyright (C) 2002-2011 Aleph One Ltd. ++ * for Toby Churchill Ltd and Brightstar Engineering ++ * ++ * Created by Charles Manning ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License version 2 as ++ * published by the Free Software Foundation. ++ */ ++ ++#include "yportenv.h" ++ ++#include "yaffs_mtdif.h" ++ ++#include "linux/mtd/mtd.h" ++#include "linux/types.h" ++#include "linux/time.h" ++#include "linux/major.h" ++#include "linux/mtd/nand.h" ++#include "linux/kernel.h" ++#include "linux/version.h" ++#include "linux/types.h" ++ ++#include "yaffs_trace.h" ++#include "yaffs_guts.h" ++#include "yaffs_linux.h" ++ ++ ++#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 2, 0)) ++#define MTD_OPS_AUTO_OOB MTD_OOB_AUTO ++#endif ++ ++ ++#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 4, 0)) ++#define mtd_erase(m, ei) (m)->erase(m, ei) ++#define mtd_write_oob(m, addr, pops) (m)->write_oob(m, addr, pops) ++#define mtd_read_oob(m, addr, pops) (m)->read_oob(m, addr, pops) ++#define mtd_block_isbad(m, offs) (m)->block_isbad(m, offs) ++#define mtd_block_markbad(m, offs) (m)->block_markbad(m, offs) ++#endif ++ ++ ++ ++int nandmtd_erase_block(struct yaffs_dev *dev, int block_no) ++{ ++ struct mtd_info *mtd = yaffs_dev_to_mtd(dev); ++ u32 addr = ++ ((loff_t) block_no) * dev->param.total_bytes_per_chunk * ++ dev->param.chunks_per_block; ++ struct erase_info ei; ++ int retval = 0; ++ ++ ei.mtd = mtd; ++ ei.addr = addr; ++ ei.len = dev->param.total_bytes_per_chunk * dev->param.chunks_per_block; ++ ei.time = 1000; ++ ei.retries = 2; ++ ei.callback = NULL; ++ ei.priv = (u_long) dev; ++ ++ retval = mtd_erase(mtd, &ei); ++ ++ if (retval == 0) ++ return YAFFS_OK; ++ ++ return YAFFS_FAIL; ++} ++ ++ ++static int yaffs_mtd_write(struct yaffs_dev *dev, int nand_chunk, ++ const u8 *data, int data_len, ++ const u8 *oob, int oob_len) ++{ ++ struct mtd_info *mtd = yaffs_dev_to_mtd(dev); ++ loff_t addr; ++ struct mtd_oob_ops ops; ++ int retval; ++ ++ yaffs_trace(YAFFS_TRACE_MTD, ++ "yaffs_mtd_write(%p, %d, %p, %d, %p, %d)\n", ++ dev, nand_chunk, data, data_len, oob, oob_len); ++ ++ if (!data || !data_len) { ++ data = NULL; ++ data_len = 0; ++ } ++ ++ if (!oob || !oob_len) { ++ oob = NULL; ++ oob_len = 0; ++ } ++ ++ addr = ((loff_t) nand_chunk) * dev->param.total_bytes_per_chunk; ++ memset(&ops, 0, sizeof(ops)); ++ ops.mode = MTD_OPS_AUTO_OOB; ++ ops.len = (data) ? data_len : 0; ++ ops.ooblen = oob_len; ++ ops.datbuf = (u8 *)data; ++ ops.oobbuf = (u8 *)oob; ++ ++ retval = mtd_write_oob(mtd, addr, &ops); ++ if (retval) { ++ yaffs_trace(YAFFS_TRACE_MTD, ++ "write_oob failed, chunk %d, mtd error %d", ++ nand_chunk, retval); ++ } ++ return retval ? YAFFS_FAIL : YAFFS_OK; ++} ++ ++static int yaffs_mtd_read(struct yaffs_dev *dev, int nand_chunk, ++ u8 *data, int data_len, ++ u8 *oob, int oob_len, ++ enum yaffs_ecc_result *ecc_result) ++{ ++ struct mtd_info *mtd = yaffs_dev_to_mtd(dev); ++ loff_t addr; ++ struct mtd_oob_ops ops; ++ int retval; ++ ++ addr = ((loff_t) nand_chunk) * dev->param.total_bytes_per_chunk; ++ memset(&ops, 0, sizeof(ops)); ++ ops.mode = MTD_OPS_AUTO_OOB; ++ ops.len = (data) ? data_len : 0; ++ ops.ooblen = oob_len; ++ ops.datbuf = data; ++ ops.oobbuf = oob; ++ ++#if (MTD_VERSION_CODE < MTD_VERSION(2, 6, 20)) ++ /* In MTD 2.6.18 to 2.6.19 nand_base.c:nand_do_read_oob() has a bug; ++ * help it out with ops.len = ops.ooblen when ops.datbuf == NULL. ++ */ ++ ops.len = (ops.datbuf) ? ops.len : ops.ooblen; ++#endif ++ /* Read page and oob using MTD. ++ * Check status and determine ECC result. ++ */ ++ retval = mtd_read_oob(mtd, addr, &ops); ++ if (retval) ++ yaffs_trace(YAFFS_TRACE_MTD, ++ "read_oob failed, chunk %d, mtd error %d", ++ nand_chunk, retval); ++ ++ switch (retval) { ++ case 0: ++ /* no error */ ++ if(ecc_result) ++ *ecc_result = YAFFS_ECC_RESULT_NO_ERROR; ++ break; ++ ++ case -EUCLEAN: ++ /* MTD's ECC fixed the data */ ++ if(ecc_result) ++ *ecc_result = YAFFS_ECC_RESULT_FIXED; ++ dev->n_ecc_fixed++; ++ break; ++ ++ case -EBADMSG: ++ default: ++ /* MTD's ECC could not fix the data */ ++ dev->n_ecc_unfixed++; ++ if(ecc_result) ++ *ecc_result = YAFFS_ECC_RESULT_UNFIXED; ++ return YAFFS_FAIL; ++ } ++ ++ return YAFFS_OK; ++} ++ ++static int yaffs_mtd_erase(struct yaffs_dev *dev, int block_no) ++{ ++ struct mtd_info *mtd = yaffs_dev_to_mtd(dev); ++ ++ loff_t addr; ++ struct erase_info ei; ++ int retval = 0; ++ u32 block_size; ++ ++ block_size = dev->param.total_bytes_per_chunk * ++ dev->param.chunks_per_block; ++ addr = ((loff_t) block_no) * block_size; ++ ++ ei.mtd = mtd; ++ ei.addr = addr; ++ ei.len = block_size; ++ ei.time = 1000; ++ ei.retries = 2; ++ ei.callback = NULL; ++ ei.priv = (u_long) dev; ++ ++ retval = mtd_erase(mtd, &ei); ++ ++ if (retval == 0) ++ return YAFFS_OK; ++ ++ return YAFFS_FAIL; ++} ++ ++static int yaffs_mtd_mark_bad(struct yaffs_dev *dev, int block_no) ++{ ++ struct mtd_info *mtd = yaffs_dev_to_mtd(dev); ++ int blocksize = dev->param.chunks_per_block * dev->param.total_bytes_per_chunk; ++ int retval; ++ ++ yaffs_trace(YAFFS_TRACE_BAD_BLOCKS, "marking block %d bad", block_no); ++ ++ retval = mtd_block_markbad(mtd, (loff_t) blocksize * block_no); ++ return (retval) ? YAFFS_FAIL : YAFFS_OK; ++} ++ ++static int yaffs_mtd_check_bad(struct yaffs_dev *dev, int block_no) ++{ ++ struct mtd_info *mtd = yaffs_dev_to_mtd(dev); ++ int blocksize = dev->param.chunks_per_block * dev->param.total_bytes_per_chunk; ++ int retval; ++ ++ yaffs_trace(YAFFS_TRACE_MTD, "checking block %d bad", block_no); ++ ++ retval = mtd_block_isbad(mtd, (loff_t) blocksize * block_no); ++ return (retval) ? YAFFS_FAIL : YAFFS_OK; ++} ++ ++static int yaffs_mtd_initialise(struct yaffs_dev *dev) ++{ ++ return YAFFS_OK; ++} ++ ++static int yaffs_mtd_deinitialise(struct yaffs_dev *dev) ++{ ++ return YAFFS_OK; ++} ++ ++ ++void yaffs_mtd_drv_install(struct yaffs_dev *dev) ++{ ++ struct yaffs_driver *drv = &dev->drv; ++ ++ drv->drv_write_chunk_fn = yaffs_mtd_write; ++ drv->drv_read_chunk_fn = yaffs_mtd_read; ++ drv->drv_erase_fn = yaffs_mtd_erase; ++ drv->drv_mark_bad_fn = yaffs_mtd_mark_bad; ++ drv->drv_check_bad_fn = yaffs_mtd_check_bad; ++ drv->drv_initialise_fn = yaffs_mtd_initialise; ++ drv->drv_deinitialise_fn = yaffs_mtd_deinitialise; ++} ++ ++ ++struct mtd_info * yaffs_get_mtd_device(dev_t sdev) ++{ ++ struct mtd_info *mtd; ++ ++ mtd = yaffs_get_mtd_device(sdev); ++ ++ /* Check it's an mtd device..... */ ++ if (MAJOR(sdev) != MTD_BLOCK_MAJOR) ++ return NULL; /* This isn't an mtd device */ ++ ++ /* Check it's NAND */ ++ if (mtd->type != MTD_NANDFLASH) { ++ yaffs_trace(YAFFS_TRACE_ALWAYS, ++ "yaffs: MTD device is not NAND it's type %d", ++ mtd->type); ++ return NULL; ++ } ++ ++ yaffs_trace(YAFFS_TRACE_OS, " %s %d", WRITE_SIZE_STR, WRITE_SIZE(mtd)); ++ yaffs_trace(YAFFS_TRACE_OS, " oobsize %d", mtd->oobsize); ++ yaffs_trace(YAFFS_TRACE_OS, " erasesize %d", mtd->erasesize); ++#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 29) ++ yaffs_trace(YAFFS_TRACE_OS, " size %u", mtd->size); ++#else ++ yaffs_trace(YAFFS_TRACE_OS, " size %lld", mtd->size); ++#endif ++ ++ return mtd; ++} ++ ++int yaffs_verify_mtd(struct mtd_info *mtd, int yaffs_version, int inband_tags) ++{ ++ if (yaffs_version == 2) { ++ if ((WRITE_SIZE(mtd) < YAFFS_MIN_YAFFS2_CHUNK_SIZE || ++ mtd->oobsize < YAFFS_MIN_YAFFS2_SPARE_SIZE) && ++ !inband_tags) { ++ yaffs_trace(YAFFS_TRACE_ALWAYS, ++ "MTD device does not have the right page sizes" ++ ); ++ return -1; ++ } ++ } else { ++ if (WRITE_SIZE(mtd) < YAFFS_BYTES_PER_CHUNK || ++ mtd->oobsize != YAFFS_BYTES_PER_SPARE) { ++ yaffs_trace(YAFFS_TRACE_ALWAYS, ++ "MTD device does not support have the right page sizes" ++ ); ++ return -1; ++ } ++ } ++ ++ return 0; ++} ++ ++ ++void yaffs_put_mtd_device(struct mtd_info *mtd) ++{ ++ if(mtd) ++ put_mtd_device(mtd); ++} +diff -Nur linux-3.15-rc5.orig/fs/yaffs2/yaffs_mtdif.h linux-3.15-rc5/fs/yaffs2/yaffs_mtdif.h +--- linux-3.15-rc5.orig/fs/yaffs2/yaffs_mtdif.h 1970-01-01 01:00:00.000000000 +0100 ++++ linux-3.15-rc5/fs/yaffs2/yaffs_mtdif.h 2014-05-17 01:53:27.000000000 +0200 +@@ -0,0 +1,25 @@ ++/* ++ * YAFFS: Yet another Flash File System . A NAND-flash specific file system. ++ * ++ * Copyright (C) 2002-2011 Aleph One Ltd. ++ * for Toby Churchill Ltd and Brightstar Engineering ++ * ++ * Created by Charles Manning ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU Lesser General Public License version 2.1 as ++ * published by the Free Software Foundation. ++ * ++ * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL. ++ */ ++ ++#ifndef __YAFFS_MTDIF_H__ ++#define __YAFFS_MTDIF_H__ ++ ++#include "yaffs_guts.h" ++ ++void yaffs_mtd_drv_install(struct yaffs_dev *dev); ++struct mtd_info * yaffs_get_mtd_device(dev_t sdev); ++void yaffs_put_mtd_device(struct mtd_info *mtd); ++int yaffs_verify_mtd(struct mtd_info *mtd, int yaffs_version, int inband_tags); ++#endif +diff -Nur linux-3.15-rc5.orig/fs/yaffs2/yaffs_nameval.c linux-3.15-rc5/fs/yaffs2/yaffs_nameval.c +--- linux-3.15-rc5.orig/fs/yaffs2/yaffs_nameval.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-3.15-rc5/fs/yaffs2/yaffs_nameval.c 2014-05-17 01:53:27.000000000 +0200 +@@ -0,0 +1,208 @@ ++/* ++ * YAFFS: Yet Another Flash File System. A NAND-flash specific file system. ++ * ++ * Copyright (C) 2002-2011 Aleph One Ltd. ++ * for Toby Churchill Ltd and Brightstar Engineering ++ * ++ * Created by Charles Manning ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License version 2 as ++ * published by the Free Software Foundation. ++ */ ++ ++/* ++ * This simple implementation of a name-value store assumes a small number of ++* values and fits into a small finite buffer. ++ * ++ * Each attribute is stored as a record: ++ * sizeof(int) bytes record size. ++ * strnlen+1 bytes name null terminated. ++ * nbytes value. ++ * ---------- ++ * total size stored in record size ++ * ++ * This code has not been tested with unicode yet. ++ */ ++ ++#include "yaffs_nameval.h" ++ ++#include "yportenv.h" ++ ++static int nval_find(const char *xb, int xb_size, const YCHAR *name, ++ int *exist_size) ++{ ++ int pos = 0; ++ int size; ++ ++ memcpy(&size, xb, sizeof(int)); ++ while (size > 0 && (size < xb_size) && (pos + size < xb_size)) { ++ if (!strncmp((YCHAR *) (xb + pos + sizeof(int)), ++ name, size)) { ++ if (exist_size) ++ *exist_size = size; ++ return pos; ++ } ++ pos += size; ++ if (pos < xb_size - sizeof(int)) ++ memcpy(&size, xb + pos, sizeof(int)); ++ else ++ size = 0; ++ } ++ if (exist_size) ++ *exist_size = 0; ++ return -ENODATA; ++} ++ ++static int nval_used(const char *xb, int xb_size) ++{ ++ int pos = 0; ++ int size; ++ ++ memcpy(&size, xb + pos, sizeof(int)); ++ while (size > 0 && (size < xb_size) && (pos + size < xb_size)) { ++ pos += size; ++ if (pos < xb_size - sizeof(int)) ++ memcpy(&size, xb + pos, sizeof(int)); ++ else ++ size = 0; ++ } ++ return pos; ++} ++ ++int nval_del(char *xb, int xb_size, const YCHAR *name) ++{ ++ int pos = nval_find(xb, xb_size, name, NULL); ++ int size; ++ ++ if (pos < 0 || pos >= xb_size) ++ return -ENODATA; ++ ++ /* Find size, shift rest over this record, ++ * then zero out the rest of buffer */ ++ memcpy(&size, xb + pos, sizeof(int)); ++ memcpy(xb + pos, xb + pos + size, xb_size - (pos + size)); ++ memset(xb + (xb_size - size), 0, size); ++ return 0; ++} ++ ++int nval_set(char *xb, int xb_size, const YCHAR *name, const char *buf, ++ int bsize, int flags) ++{ ++ int pos; ++ int namelen = strnlen(name, xb_size); ++ int reclen; ++ int size_exist = 0; ++ int space; ++ int start; ++ ++ pos = nval_find(xb, xb_size, name, &size_exist); ++ ++ if (flags & XATTR_CREATE && pos >= 0) ++ return -EEXIST; ++ if (flags & XATTR_REPLACE && pos < 0) ++ return -ENODATA; ++ ++ start = nval_used(xb, xb_size); ++ space = xb_size - start + size_exist; ++ ++ reclen = (sizeof(int) + namelen + 1 + bsize); ++ ++ if (reclen > space) ++ return -ENOSPC; ++ ++ if (pos >= 0) { ++ nval_del(xb, xb_size, name); ++ start = nval_used(xb, xb_size); ++ } ++ ++ pos = start; ++ ++ memcpy(xb + pos, &reclen, sizeof(int)); ++ pos += sizeof(int); ++ strncpy((YCHAR *) (xb + pos), name, reclen); ++ pos += (namelen + 1); ++ memcpy(xb + pos, buf, bsize); ++ return 0; ++} ++ ++int nval_get(const char *xb, int xb_size, const YCHAR * name, char *buf, ++ int bsize) ++{ ++ int pos = nval_find(xb, xb_size, name, NULL); ++ int size; ++ ++ if (pos >= 0 && pos < xb_size) { ++ ++ memcpy(&size, xb + pos, sizeof(int)); ++ pos += sizeof(int); /* advance past record length */ ++ size -= sizeof(int); ++ ++ /* Advance over name string */ ++ while (xb[pos] && size > 0 && pos < xb_size) { ++ pos++; ++ size--; ++ } ++ /*Advance over NUL */ ++ pos++; ++ size--; ++ ++ /* If bsize is zero then this is a size query. ++ * Return the size, but don't copy. ++ */ ++ if (!bsize) ++ return size; ++ ++ if (size <= bsize) { ++ memcpy(buf, xb + pos, size); ++ return size; ++ } ++ } ++ if (pos >= 0) ++ return -ERANGE; ++ ++ return -ENODATA; ++} ++ ++int nval_list(const char *xb, int xb_size, char *buf, int bsize) ++{ ++ int pos = 0; ++ int size; ++ int name_len; ++ int ncopied = 0; ++ int filled = 0; ++ ++ memcpy(&size, xb + pos, sizeof(int)); ++ while (size > sizeof(int) && ++ size <= xb_size && ++ (pos + size) < xb_size && ++ !filled) { ++ pos += sizeof(int); ++ size -= sizeof(int); ++ name_len = strnlen((YCHAR *) (xb + pos), size); ++ if (ncopied + name_len + 1 < bsize) { ++ memcpy(buf, xb + pos, name_len * sizeof(YCHAR)); ++ buf += name_len; ++ *buf = '\0'; ++ buf++; ++ if (sizeof(YCHAR) > 1) { ++ *buf = '\0'; ++ buf++; ++ } ++ ncopied += (name_len + 1); ++ } else { ++ filled = 1; ++ } ++ pos += size; ++ if (pos < xb_size - sizeof(int)) ++ memcpy(&size, xb + pos, sizeof(int)); ++ else ++ size = 0; ++ } ++ return ncopied; ++} ++ ++int nval_hasvalues(const char *xb, int xb_size) ++{ ++ return nval_used(xb, xb_size) > 0; ++} +diff -Nur linux-3.15-rc5.orig/fs/yaffs2/yaffs_nameval.h linux-3.15-rc5/fs/yaffs2/yaffs_nameval.h +--- linux-3.15-rc5.orig/fs/yaffs2/yaffs_nameval.h 1970-01-01 01:00:00.000000000 +0100 ++++ linux-3.15-rc5/fs/yaffs2/yaffs_nameval.h 2014-05-17 01:53:27.000000000 +0200 +@@ -0,0 +1,28 @@ ++/* ++ * YAFFS: Yet another Flash File System . A NAND-flash specific file system. ++ * ++ * Copyright (C) 2002-2011 Aleph One Ltd. ++ * for Toby Churchill Ltd and Brightstar Engineering ++ * ++ * Created by Charles Manning ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU Lesser General Public License version 2.1 as ++ * published by the Free Software Foundation. ++ * ++ * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL. ++ */ ++ ++#ifndef __NAMEVAL_H__ ++#define __NAMEVAL_H__ ++ ++#include "yportenv.h" ++ ++int nval_del(char *xb, int xb_size, const YCHAR * name); ++int nval_set(char *xb, int xb_size, const YCHAR * name, const char *buf, ++ int bsize, int flags); ++int nval_get(const char *xb, int xb_size, const YCHAR * name, char *buf, ++ int bsize); ++int nval_list(const char *xb, int xb_size, char *buf, int bsize); ++int nval_hasvalues(const char *xb, int xb_size); ++#endif +diff -Nur linux-3.15-rc5.orig/fs/yaffs2/yaffs_nand.c linux-3.15-rc5/fs/yaffs2/yaffs_nand.c +--- linux-3.15-rc5.orig/fs/yaffs2/yaffs_nand.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-3.15-rc5/fs/yaffs2/yaffs_nand.c 2014-05-17 01:53:27.000000000 +0200 +@@ -0,0 +1,122 @@ ++/* ++ * YAFFS: Yet Another Flash File System. A NAND-flash specific file system. ++ * ++ * Copyright (C) 2002-2011 Aleph One Ltd. ++ * for Toby Churchill Ltd and Brightstar Engineering ++ * ++ * Created by Charles Manning ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License version 2 as ++ * published by the Free Software Foundation. ++ */ ++ ++#include "yaffs_nand.h" ++#include "yaffs_tagscompat.h" ++ ++#include "yaffs_getblockinfo.h" ++#include "yaffs_summary.h" ++ ++static int apply_chunk_offset(struct yaffs_dev *dev, int chunk) ++{ ++ return chunk - dev->chunk_offset; ++} ++ ++int yaffs_rd_chunk_tags_nand(struct yaffs_dev *dev, int nand_chunk, ++ u8 *buffer, struct yaffs_ext_tags *tags) ++{ ++ int result; ++ struct yaffs_ext_tags local_tags; ++ int flash_chunk = apply_chunk_offset(dev, nand_chunk); ++ ++ dev->n_page_reads++; ++ ++ /* If there are no tags provided use local tags. */ ++ if (!tags) ++ tags = &local_tags; ++ ++ result = dev->tagger.read_chunk_tags_fn(dev, flash_chunk, buffer, tags); ++ if (tags && tags->ecc_result > YAFFS_ECC_RESULT_NO_ERROR) { ++ ++ struct yaffs_block_info *bi; ++ bi = yaffs_get_block_info(dev, ++ nand_chunk / ++ dev->param.chunks_per_block); ++ yaffs_handle_chunk_error(dev, bi); ++ } ++ return result; ++} ++ ++int yaffs_wr_chunk_tags_nand(struct yaffs_dev *dev, ++ int nand_chunk, ++ const u8 *buffer, struct yaffs_ext_tags *tags) ++{ ++ int result; ++ int flash_chunk = apply_chunk_offset(dev, nand_chunk); ++ ++ dev->n_page_writes++; ++ ++ if (!tags) { ++ yaffs_trace(YAFFS_TRACE_ERROR, "Writing with no tags"); ++ BUG(); ++ return YAFFS_FAIL; ++ } ++ ++ tags->seq_number = dev->seq_number; ++ tags->chunk_used = 1; ++ yaffs_trace(YAFFS_TRACE_WRITE, ++ "Writing chunk %d tags %d %d", ++ nand_chunk, tags->obj_id, tags->chunk_id); ++ ++ result = dev->tagger.write_chunk_tags_fn(dev, flash_chunk, ++ buffer, tags); ++ ++ yaffs_summary_add(dev, tags, nand_chunk); ++ ++ return result; ++} ++ ++int yaffs_mark_bad(struct yaffs_dev *dev, int block_no) ++{ ++ block_no -= dev->block_offset; ++ dev->n_bad_markings++; ++ ++ if (dev->param.disable_bad_block_marking) ++ return YAFFS_OK; ++ ++ return dev->tagger.mark_bad_fn(dev, block_no); ++} ++ ++ ++int yaffs_query_init_block_state(struct yaffs_dev *dev, ++ int block_no, ++ enum yaffs_block_state *state, ++ u32 *seq_number) ++{ ++ block_no -= dev->block_offset; ++ return dev->tagger.query_block_fn(dev, block_no, state, seq_number); ++} ++ ++int yaffs_erase_block(struct yaffs_dev *dev, int block_no) ++{ ++ int result; ++ ++ block_no -= dev->block_offset; ++ dev->n_erasures++; ++ result = dev->drv.drv_erase_fn(dev, block_no); ++ return result; ++} ++ ++int yaffs_init_nand(struct yaffs_dev *dev) ++{ ++ if (dev->drv.drv_initialise_fn) ++ return dev->drv.drv_initialise_fn(dev); ++ return YAFFS_OK; ++} ++ ++int yaffs_deinit_nand(struct yaffs_dev *dev) ++{ ++ if (dev->drv.drv_deinitialise_fn) ++ return dev->drv.drv_deinitialise_fn(dev); ++ return YAFFS_OK; ++} +diff -Nur linux-3.15-rc5.orig/fs/yaffs2/yaffs_nand.h linux-3.15-rc5/fs/yaffs2/yaffs_nand.h +--- linux-3.15-rc5.orig/fs/yaffs2/yaffs_nand.h 1970-01-01 01:00:00.000000000 +0100 ++++ linux-3.15-rc5/fs/yaffs2/yaffs_nand.h 2014-05-17 01:53:27.000000000 +0200 +@@ -0,0 +1,39 @@ ++/* ++ * YAFFS: Yet another Flash File System . A NAND-flash specific file system. ++ * ++ * Copyright (C) 2002-2011 Aleph One Ltd. ++ * for Toby Churchill Ltd and Brightstar Engineering ++ * ++ * Created by Charles Manning ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU Lesser General Public License version 2.1 as ++ * published by the Free Software Foundation. ++ * ++ * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL. ++ */ ++ ++#ifndef __YAFFS_NAND_H__ ++#define __YAFFS_NAND_H__ ++#include "yaffs_guts.h" ++ ++int yaffs_rd_chunk_tags_nand(struct yaffs_dev *dev, int nand_chunk, ++ u8 *buffer, struct yaffs_ext_tags *tags); ++ ++int yaffs_wr_chunk_tags_nand(struct yaffs_dev *dev, ++ int nand_chunk, ++ const u8 *buffer, struct yaffs_ext_tags *tags); ++ ++int yaffs_mark_bad(struct yaffs_dev *dev, int block_no); ++ ++int yaffs_query_init_block_state(struct yaffs_dev *dev, ++ int block_no, ++ enum yaffs_block_state *state, ++ unsigned *seq_number); ++ ++int yaffs_erase_block(struct yaffs_dev *dev, int flash_block); ++ ++int yaffs_init_nand(struct yaffs_dev *dev); ++int yaffs_deinit_nand(struct yaffs_dev *dev); ++ ++#endif +diff -Nur linux-3.15-rc5.orig/fs/yaffs2/yaffs_packedtags1.c linux-3.15-rc5/fs/yaffs2/yaffs_packedtags1.c +--- linux-3.15-rc5.orig/fs/yaffs2/yaffs_packedtags1.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-3.15-rc5/fs/yaffs2/yaffs_packedtags1.c 2014-05-17 01:53:27.000000000 +0200 +@@ -0,0 +1,56 @@ ++/* ++ * YAFFS: Yet Another Flash File System. A NAND-flash specific file system. ++ * ++ * Copyright (C) 2002-2011 Aleph One Ltd. ++ * for Toby Churchill Ltd and Brightstar Engineering ++ * ++ * Created by Charles Manning ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License version 2 as ++ * published by the Free Software Foundation. ++ */ ++ ++#include "yaffs_packedtags1.h" ++#include "yportenv.h" ++ ++static const u8 all_ff[20] = { ++ 0xff, 0xff, 0xff, 0xff, ++ 0xff, 0xff, 0xff, 0xff, ++ 0xff, 0xff, 0xff, 0xff, ++ 0xff, 0xff, 0xff, 0xff, ++ 0xff, 0xff, 0xff, 0xff ++}; ++ ++void yaffs_pack_tags1(struct yaffs_packed_tags1 *pt, ++ const struct yaffs_ext_tags *t) ++{ ++ pt->chunk_id = t->chunk_id; ++ pt->serial_number = t->serial_number; ++ pt->n_bytes = t->n_bytes; ++ pt->obj_id = t->obj_id; ++ pt->ecc = 0; ++ pt->deleted = (t->is_deleted) ? 0 : 1; ++ pt->unused_stuff = 0; ++ pt->should_be_ff = 0xffffffff; ++} ++ ++void yaffs_unpack_tags1(struct yaffs_ext_tags *t, ++ const struct yaffs_packed_tags1 *pt) ++{ ++ ++ if (memcmp(all_ff, pt, sizeof(struct yaffs_packed_tags1))) { ++ t->block_bad = 0; ++ if (pt->should_be_ff != 0xffffffff) ++ t->block_bad = 1; ++ t->chunk_used = 1; ++ t->obj_id = pt->obj_id; ++ t->chunk_id = pt->chunk_id; ++ t->n_bytes = pt->n_bytes; ++ t->ecc_result = YAFFS_ECC_RESULT_NO_ERROR; ++ t->is_deleted = (pt->deleted) ? 0 : 1; ++ t->serial_number = pt->serial_number; ++ } else { ++ memset(t, 0, sizeof(struct yaffs_ext_tags)); ++ } ++} +diff -Nur linux-3.15-rc5.orig/fs/yaffs2/yaffs_packedtags1.h linux-3.15-rc5/fs/yaffs2/yaffs_packedtags1.h +--- linux-3.15-rc5.orig/fs/yaffs2/yaffs_packedtags1.h 1970-01-01 01:00:00.000000000 +0100 ++++ linux-3.15-rc5/fs/yaffs2/yaffs_packedtags1.h 2014-05-17 01:53:27.000000000 +0200 +@@ -0,0 +1,39 @@ ++/* ++ * YAFFS: Yet another Flash File System . A NAND-flash specific file system. ++ * ++ * Copyright (C) 2002-2011 Aleph One Ltd. ++ * for Toby Churchill Ltd and Brightstar Engineering ++ * ++ * Created by Charles Manning ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU Lesser General Public License version 2.1 as ++ * published by the Free Software Foundation. ++ * ++ * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL. ++ */ ++ ++/* This is used to pack YAFFS1 tags, not YAFFS2 tags. */ ++ ++#ifndef __YAFFS_PACKEDTAGS1_H__ ++#define __YAFFS_PACKEDTAGS1_H__ ++ ++#include "yaffs_guts.h" ++ ++struct yaffs_packed_tags1 { ++ u32 chunk_id:20; ++ u32 serial_number:2; ++ u32 n_bytes:10; ++ u32 obj_id:18; ++ u32 ecc:12; ++ u32 deleted:1; ++ u32 unused_stuff:1; ++ unsigned should_be_ff; ++ ++}; ++ ++void yaffs_pack_tags1(struct yaffs_packed_tags1 *pt, ++ const struct yaffs_ext_tags *t); ++void yaffs_unpack_tags1(struct yaffs_ext_tags *t, ++ const struct yaffs_packed_tags1 *pt); ++#endif +diff -Nur linux-3.15-rc5.orig/fs/yaffs2/yaffs_packedtags2.c linux-3.15-rc5/fs/yaffs2/yaffs_packedtags2.c +--- linux-3.15-rc5.orig/fs/yaffs2/yaffs_packedtags2.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-3.15-rc5/fs/yaffs2/yaffs_packedtags2.c 2014-05-17 01:53:27.000000000 +0200 +@@ -0,0 +1,197 @@ ++/* ++ * YAFFS: Yet Another Flash File System. A NAND-flash specific file system. ++ * ++ * Copyright (C) 2002-2011 Aleph One Ltd. ++ * for Toby Churchill Ltd and Brightstar Engineering ++ * ++ * Created by Charles Manning ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License version 2 as ++ * published by the Free Software Foundation. ++ */ ++ ++#include "yaffs_packedtags2.h" ++#include "yportenv.h" ++#include "yaffs_trace.h" ++ ++/* This code packs a set of extended tags into a binary structure for ++ * NAND storage ++ */ ++ ++/* Some of the information is "extra" struff which can be packed in to ++ * speed scanning ++ * This is defined by having the EXTRA_HEADER_INFO_FLAG set. ++ */ ++ ++/* Extra flags applied to chunk_id */ ++ ++#define EXTRA_HEADER_INFO_FLAG 0x80000000 ++#define EXTRA_SHRINK_FLAG 0x40000000 ++#define EXTRA_SHADOWS_FLAG 0x20000000 ++#define EXTRA_SPARE_FLAGS 0x10000000 ++ ++#define ALL_EXTRA_FLAGS 0xf0000000 ++ ++/* Also, the top 4 bits of the object Id are set to the object type. */ ++#define EXTRA_OBJECT_TYPE_SHIFT (28) ++#define EXTRA_OBJECT_TYPE_MASK ((0x0f) << EXTRA_OBJECT_TYPE_SHIFT) ++ ++static void yaffs_dump_packed_tags2_tags_only( ++ const struct yaffs_packed_tags2_tags_only *ptt) ++{ ++ yaffs_trace(YAFFS_TRACE_MTD, ++ "packed tags obj %d chunk %d byte %d seq %d", ++ ptt->obj_id, ptt->chunk_id, ptt->n_bytes, ptt->seq_number); ++} ++ ++static void yaffs_dump_packed_tags2(const struct yaffs_packed_tags2 *pt) ++{ ++ yaffs_dump_packed_tags2_tags_only(&pt->t); ++} ++ ++static void yaffs_dump_tags2(const struct yaffs_ext_tags *t) ++{ ++ yaffs_trace(YAFFS_TRACE_MTD, ++ "ext.tags eccres %d blkbad %d chused %d obj %d chunk%d byte %d del %d ser %d seq %d", ++ t->ecc_result, t->block_bad, t->chunk_used, t->obj_id, ++ t->chunk_id, t->n_bytes, t->is_deleted, t->serial_number, ++ t->seq_number); ++ ++} ++ ++static int yaffs_check_tags_extra_packable(const struct yaffs_ext_tags *t) ++{ ++ if (t->chunk_id != 0 || !t->extra_available) ++ return 0; ++ ++ /* Check if the file size is too long to store */ ++ if (t->extra_obj_type == YAFFS_OBJECT_TYPE_FILE && ++ (t->extra_file_size >> 31) != 0) ++ return 0; ++ return 1; ++} ++ ++void yaffs_pack_tags2_tags_only(struct yaffs_packed_tags2_tags_only *ptt, ++ const struct yaffs_ext_tags *t) ++{ ++ ptt->chunk_id = t->chunk_id; ++ ptt->seq_number = t->seq_number; ++ ptt->n_bytes = t->n_bytes; ++ ptt->obj_id = t->obj_id; ++ ++ /* Only store extra tags for object headers. ++ * If it is a file then only store if the file size is short\ ++ * enough to fit. ++ */ ++ if (yaffs_check_tags_extra_packable(t)) { ++ /* Store the extra header info instead */ ++ /* We save the parent object in the chunk_id */ ++ ptt->chunk_id = EXTRA_HEADER_INFO_FLAG | t->extra_parent_id; ++ if (t->extra_is_shrink) ++ ptt->chunk_id |= EXTRA_SHRINK_FLAG; ++ if (t->extra_shadows) ++ ptt->chunk_id |= EXTRA_SHADOWS_FLAG; ++ ++ ptt->obj_id &= ~EXTRA_OBJECT_TYPE_MASK; ++ ptt->obj_id |= (t->extra_obj_type << EXTRA_OBJECT_TYPE_SHIFT); ++ ++ if (t->extra_obj_type == YAFFS_OBJECT_TYPE_HARDLINK) ++ ptt->n_bytes = t->extra_equiv_id; ++ else if (t->extra_obj_type == YAFFS_OBJECT_TYPE_FILE) ++ ptt->n_bytes = (unsigned) t->extra_file_size; ++ else ++ ptt->n_bytes = 0; ++ } ++ ++ yaffs_dump_packed_tags2_tags_only(ptt); ++ yaffs_dump_tags2(t); ++} ++ ++void yaffs_pack_tags2(struct yaffs_packed_tags2 *pt, ++ const struct yaffs_ext_tags *t, int tags_ecc) ++{ ++ yaffs_pack_tags2_tags_only(&pt->t, t); ++ ++ if (tags_ecc) ++ yaffs_ecc_calc_other((unsigned char *)&pt->t, ++ sizeof(struct yaffs_packed_tags2_tags_only), ++ &pt->ecc); ++} ++ ++void yaffs_unpack_tags2_tags_only(struct yaffs_ext_tags *t, ++ struct yaffs_packed_tags2_tags_only *ptt) ++{ ++ memset(t, 0, sizeof(struct yaffs_ext_tags)); ++ ++ if (ptt->seq_number == 0xffffffff) ++ return; ++ ++ t->block_bad = 0; ++ t->chunk_used = 1; ++ t->obj_id = ptt->obj_id; ++ t->chunk_id = ptt->chunk_id; ++ t->n_bytes = ptt->n_bytes; ++ t->is_deleted = 0; ++ t->serial_number = 0; ++ t->seq_number = ptt->seq_number; ++ ++ /* Do extra header info stuff */ ++ if (ptt->chunk_id & EXTRA_HEADER_INFO_FLAG) { ++ t->chunk_id = 0; ++ t->n_bytes = 0; ++ ++ t->extra_available = 1; ++ t->extra_parent_id = ptt->chunk_id & (~(ALL_EXTRA_FLAGS)); ++ t->extra_is_shrink = ptt->chunk_id & EXTRA_SHRINK_FLAG ? 1 : 0; ++ t->extra_shadows = ptt->chunk_id & EXTRA_SHADOWS_FLAG ? 1 : 0; ++ t->extra_obj_type = ptt->obj_id >> EXTRA_OBJECT_TYPE_SHIFT; ++ t->obj_id &= ~EXTRA_OBJECT_TYPE_MASK; ++ ++ if (t->extra_obj_type == YAFFS_OBJECT_TYPE_HARDLINK) ++ t->extra_equiv_id = ptt->n_bytes; ++ else ++ t->extra_file_size = ptt->n_bytes; ++ } ++ yaffs_dump_packed_tags2_tags_only(ptt); ++ yaffs_dump_tags2(t); ++} ++ ++void yaffs_unpack_tags2(struct yaffs_ext_tags *t, struct yaffs_packed_tags2 *pt, ++ int tags_ecc) ++{ ++ enum yaffs_ecc_result ecc_result = YAFFS_ECC_RESULT_NO_ERROR; ++ ++ if (pt->t.seq_number != 0xffffffff && tags_ecc) { ++ /* Chunk is in use and we need to do ECC */ ++ ++ struct yaffs_ecc_other ecc; ++ int result; ++ yaffs_ecc_calc_other((unsigned char *)&pt->t, ++ sizeof(struct yaffs_packed_tags2_tags_only), ++ &ecc); ++ result = ++ yaffs_ecc_correct_other((unsigned char *)&pt->t, ++ sizeof(struct yaffs_packed_tags2_tags_only), ++ &pt->ecc, &ecc); ++ switch (result) { ++ case 0: ++ ecc_result = YAFFS_ECC_RESULT_NO_ERROR; ++ break; ++ case 1: ++ ecc_result = YAFFS_ECC_RESULT_FIXED; ++ break; ++ case -1: ++ ecc_result = YAFFS_ECC_RESULT_UNFIXED; ++ break; ++ default: ++ ecc_result = YAFFS_ECC_RESULT_UNKNOWN; ++ } ++ } ++ yaffs_unpack_tags2_tags_only(t, &pt->t); ++ ++ t->ecc_result = ecc_result; ++ ++ yaffs_dump_packed_tags2(pt); ++ yaffs_dump_tags2(t); ++} +diff -Nur linux-3.15-rc5.orig/fs/yaffs2/yaffs_packedtags2.h linux-3.15-rc5/fs/yaffs2/yaffs_packedtags2.h +--- linux-3.15-rc5.orig/fs/yaffs2/yaffs_packedtags2.h 1970-01-01 01:00:00.000000000 +0100 ++++ linux-3.15-rc5/fs/yaffs2/yaffs_packedtags2.h 2014-05-17 01:53:27.000000000 +0200 +@@ -0,0 +1,47 @@ ++/* ++ * YAFFS: Yet another Flash File System . A NAND-flash specific file system. ++ * ++ * Copyright (C) 2002-2011 Aleph One Ltd. ++ * for Toby Churchill Ltd and Brightstar Engineering ++ * ++ * Created by Charles Manning ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU Lesser General Public License version 2.1 as ++ * published by the Free Software Foundation. ++ * ++ * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL. ++ */ ++ ++/* This is used to pack YAFFS2 tags, not YAFFS1tags. */ ++ ++#ifndef __YAFFS_PACKEDTAGS2_H__ ++#define __YAFFS_PACKEDTAGS2_H__ ++ ++#include "yaffs_guts.h" ++#include "yaffs_ecc.h" ++ ++struct yaffs_packed_tags2_tags_only { ++ unsigned seq_number; ++ unsigned obj_id; ++ unsigned chunk_id; ++ unsigned n_bytes; ++}; ++ ++struct yaffs_packed_tags2 { ++ struct yaffs_packed_tags2_tags_only t; ++ struct yaffs_ecc_other ecc; ++}; ++ ++/* Full packed tags with ECC, used for oob tags */ ++void yaffs_pack_tags2(struct yaffs_packed_tags2 *pt, ++ const struct yaffs_ext_tags *t, int tags_ecc); ++void yaffs_unpack_tags2(struct yaffs_ext_tags *t, struct yaffs_packed_tags2 *pt, ++ int tags_ecc); ++ ++/* Only the tags part (no ECC for use with inband tags */ ++void yaffs_pack_tags2_tags_only(struct yaffs_packed_tags2_tags_only *pt, ++ const struct yaffs_ext_tags *t); ++void yaffs_unpack_tags2_tags_only(struct yaffs_ext_tags *t, ++ struct yaffs_packed_tags2_tags_only *pt); ++#endif +diff -Nur linux-3.15-rc5.orig/fs/yaffs2/yaffs_summary.c linux-3.15-rc5/fs/yaffs2/yaffs_summary.c +--- linux-3.15-rc5.orig/fs/yaffs2/yaffs_summary.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-3.15-rc5/fs/yaffs2/yaffs_summary.c 2014-05-17 01:53:27.000000000 +0200 +@@ -0,0 +1,312 @@ ++/* ++ * YAFFS: Yet Another Flash File System. A NAND-flash specific file system. ++ * ++ * Copyright (C) 2002-2011 Aleph One Ltd. ++ * for Toby Churchill Ltd and Brightstar Engineering ++ * ++ * Created by Charles Manning ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License version 2 as ++ * published by the Free Software Foundation. ++ */ ++ ++/* Summaries write the useful part of the tags for the chunks in a block into an ++ * an array which is written to the last n chunks of the block. ++ * Reading the summaries gives all the tags for the block in one read. Much ++ * faster. ++ * ++ * Chunks holding summaries are marked with tags making it look like ++ * they are part of a fake file. ++ * ++ * The summary could also be used during gc. ++ * ++ */ ++ ++#include "yaffs_summary.h" ++#include "yaffs_packedtags2.h" ++#include "yaffs_nand.h" ++#include "yaffs_getblockinfo.h" ++#include "yaffs_bitmap.h" ++ ++/* ++ * The summary is built up in an array of summary tags. ++ * This gets written to the last one or two (maybe more) chunks in a block. ++ * A summary header is written as the first part of each chunk of summary data. ++ * The summary header must match or the summary is rejected. ++ */ ++ ++/* Summary tags don't need the sequence number because that is redundant. */ ++struct yaffs_summary_tags { ++ unsigned obj_id; ++ unsigned chunk_id; ++ unsigned n_bytes; ++}; ++ ++/* Summary header */ ++struct yaffs_summary_header { ++ unsigned version; /* Must match current version */ ++ unsigned block; /* Must be this block */ ++ unsigned seq; /* Must be this sequence number */ ++ unsigned sum; /* Just add up all the bytes in the tags */ ++}; ++ ++ ++static void yaffs_summary_clear(struct yaffs_dev *dev) ++{ ++ if (!dev->sum_tags) ++ return; ++ memset(dev->sum_tags, 0, dev->chunks_per_summary * ++ sizeof(struct yaffs_summary_tags)); ++} ++ ++ ++void yaffs_summary_deinit(struct yaffs_dev *dev) ++{ ++ kfree(dev->sum_tags); ++ dev->sum_tags = NULL; ++ kfree(dev->gc_sum_tags); ++ dev->gc_sum_tags = NULL; ++ dev->chunks_per_summary = 0; ++} ++ ++int yaffs_summary_init(struct yaffs_dev *dev) ++{ ++ int sum_bytes; ++ int chunks_used; /* Number of chunks used by summary */ ++ int sum_tags_bytes; ++ ++ sum_bytes = dev->param.chunks_per_block * ++ sizeof(struct yaffs_summary_tags); ++ ++ chunks_used = (sum_bytes + dev->data_bytes_per_chunk - 1)/ ++ (dev->data_bytes_per_chunk - ++ sizeof(struct yaffs_summary_header)); ++ ++ dev->chunks_per_summary = dev->param.chunks_per_block - chunks_used; ++ sum_tags_bytes = sizeof(struct yaffs_summary_tags) * ++ dev->chunks_per_summary; ++ dev->sum_tags = kmalloc(sum_tags_bytes, GFP_NOFS); ++ dev->gc_sum_tags = kmalloc(sum_tags_bytes, GFP_NOFS); ++ if (!dev->sum_tags || !dev->gc_sum_tags) { ++ yaffs_summary_deinit(dev); ++ return YAFFS_FAIL; ++ } ++ ++ yaffs_summary_clear(dev); ++ ++ return YAFFS_OK; ++} ++ ++static unsigned yaffs_summary_sum(struct yaffs_dev *dev) ++{ ++ u8 *sum_buffer = (u8 *)dev->sum_tags; ++ int i; ++ unsigned sum = 0; ++ ++ i = sizeof(struct yaffs_summary_tags) * ++ dev->chunks_per_summary; ++ while (i > 0) { ++ sum += *sum_buffer; ++ sum_buffer++; ++ i--; ++ } ++ ++ return sum; ++} ++ ++static int yaffs_summary_write(struct yaffs_dev *dev, int blk) ++{ ++ struct yaffs_ext_tags tags; ++ u8 *buffer; ++ u8 *sum_buffer = (u8 *)dev->sum_tags; ++ int n_bytes; ++ int chunk_in_nand; ++ int chunk_in_block; ++ int result; ++ int this_tx; ++ struct yaffs_summary_header hdr; ++ int sum_bytes_per_chunk = dev->data_bytes_per_chunk - sizeof(hdr); ++ struct yaffs_block_info *bi = yaffs_get_block_info(dev, blk); ++ ++ buffer = yaffs_get_temp_buffer(dev); ++ n_bytes = sizeof(struct yaffs_summary_tags) * ++ dev->chunks_per_summary; ++ memset(&tags, 0, sizeof(struct yaffs_ext_tags)); ++ tags.obj_id = YAFFS_OBJECTID_SUMMARY; ++ tags.chunk_id = 1; ++ chunk_in_block = dev->chunks_per_summary; ++ chunk_in_nand = dev->alloc_block * dev->param.chunks_per_block + ++ dev->chunks_per_summary; ++ hdr.version = YAFFS_SUMMARY_VERSION; ++ hdr.block = blk; ++ hdr.seq = bi->seq_number; ++ hdr.sum = yaffs_summary_sum(dev); ++ ++ do { ++ this_tx = n_bytes; ++ if (this_tx > sum_bytes_per_chunk) ++ this_tx = sum_bytes_per_chunk; ++ memcpy(buffer, &hdr, sizeof(hdr)); ++ memcpy(buffer + sizeof(hdr), sum_buffer, this_tx); ++ tags.n_bytes = this_tx + sizeof(hdr); ++ result = yaffs_wr_chunk_tags_nand(dev, chunk_in_nand, ++ buffer, &tags); ++ ++ if (result != YAFFS_OK) ++ break; ++ yaffs_set_chunk_bit(dev, blk, chunk_in_block); ++ bi->pages_in_use++; ++ dev->n_free_chunks--; ++ ++ n_bytes -= this_tx; ++ sum_buffer += this_tx; ++ chunk_in_nand++; ++ chunk_in_block++; ++ tags.chunk_id++; ++ } while (result == YAFFS_OK && n_bytes > 0); ++ yaffs_release_temp_buffer(dev, buffer); ++ ++ ++ if (result == YAFFS_OK) ++ bi->has_summary = 1; ++ ++ ++ return result; ++} ++ ++int yaffs_summary_read(struct yaffs_dev *dev, ++ struct yaffs_summary_tags *st, ++ int blk) ++{ ++ struct yaffs_ext_tags tags; ++ u8 *buffer; ++ u8 *sum_buffer = (u8 *)st; ++ int n_bytes; ++ int chunk_id; ++ int chunk_in_nand; ++ int chunk_in_block; ++ int result; ++ int this_tx; ++ struct yaffs_summary_header hdr; ++ struct yaffs_block_info *bi = yaffs_get_block_info(dev, blk); ++ int sum_bytes_per_chunk = dev->data_bytes_per_chunk - sizeof(hdr); ++ int sum_tags_bytes; ++ ++ sum_tags_bytes = sizeof(struct yaffs_summary_tags) * ++ dev->chunks_per_summary; ++ buffer = yaffs_get_temp_buffer(dev); ++ n_bytes = sizeof(struct yaffs_summary_tags) * dev->chunks_per_summary; ++ chunk_in_block = dev->chunks_per_summary; ++ chunk_in_nand = blk * dev->param.chunks_per_block + ++ dev->chunks_per_summary; ++ chunk_id = 1; ++ do { ++ this_tx = n_bytes; ++ if (this_tx > sum_bytes_per_chunk) ++ this_tx = sum_bytes_per_chunk; ++ result = yaffs_rd_chunk_tags_nand(dev, chunk_in_nand, ++ buffer, &tags); ++ ++ if (tags.chunk_id != chunk_id || ++ tags.obj_id != YAFFS_OBJECTID_SUMMARY || ++ tags.chunk_used == 0 || ++ tags.ecc_result > YAFFS_ECC_RESULT_FIXED || ++ tags.n_bytes != (this_tx + sizeof(hdr))) ++ result = YAFFS_FAIL; ++ if (result != YAFFS_OK) ++ break; ++ ++ if (st == dev->sum_tags) { ++ /* If we're scanning then update the block info */ ++ yaffs_set_chunk_bit(dev, blk, chunk_in_block); ++ bi->pages_in_use++; ++ } ++ memcpy(&hdr, buffer, sizeof(hdr)); ++ memcpy(sum_buffer, buffer + sizeof(hdr), this_tx); ++ n_bytes -= this_tx; ++ sum_buffer += this_tx; ++ chunk_in_nand++; ++ chunk_in_block++; ++ chunk_id++; ++ } while (result == YAFFS_OK && n_bytes > 0); ++ yaffs_release_temp_buffer(dev, buffer); ++ ++ if (result == YAFFS_OK) { ++ /* Verify header */ ++ if (hdr.version != YAFFS_SUMMARY_VERSION || ++ hdr.seq != bi->seq_number || ++ hdr.sum != yaffs_summary_sum(dev)) ++ result = YAFFS_FAIL; ++ } ++ ++ if (st == dev->sum_tags && result == YAFFS_OK) ++ bi->has_summary = 1; ++ ++ return result; ++} ++ ++int yaffs_summary_add(struct yaffs_dev *dev, ++ struct yaffs_ext_tags *tags, ++ int chunk_in_nand) ++{ ++ struct yaffs_packed_tags2_tags_only tags_only; ++ struct yaffs_summary_tags *sum_tags; ++ int block_in_nand = chunk_in_nand / dev->param.chunks_per_block; ++ int chunk_in_block = chunk_in_nand % dev->param.chunks_per_block; ++ ++ if (!dev->sum_tags) ++ return YAFFS_OK; ++ ++ if (chunk_in_block >= 0 && chunk_in_block < dev->chunks_per_summary) { ++ yaffs_pack_tags2_tags_only(&tags_only, tags); ++ sum_tags = &dev->sum_tags[chunk_in_block]; ++ sum_tags->chunk_id = tags_only.chunk_id; ++ sum_tags->n_bytes = tags_only.n_bytes; ++ sum_tags->obj_id = tags_only.obj_id; ++ ++ if (chunk_in_block == dev->chunks_per_summary - 1) { ++ /* Time to write out the summary */ ++ yaffs_summary_write(dev, block_in_nand); ++ yaffs_summary_clear(dev); ++ yaffs_skip_rest_of_block(dev); ++ } ++ } ++ return YAFFS_OK; ++} ++ ++int yaffs_summary_fetch(struct yaffs_dev *dev, ++ struct yaffs_ext_tags *tags, ++ int chunk_in_block) ++{ ++ struct yaffs_packed_tags2_tags_only tags_only; ++ struct yaffs_summary_tags *sum_tags; ++ if (chunk_in_block >= 0 && chunk_in_block < dev->chunks_per_summary) { ++ sum_tags = &dev->sum_tags[chunk_in_block]; ++ tags_only.chunk_id = sum_tags->chunk_id; ++ tags_only.n_bytes = sum_tags->n_bytes; ++ tags_only.obj_id = sum_tags->obj_id; ++ yaffs_unpack_tags2_tags_only(tags, &tags_only); ++ return YAFFS_OK; ++ } ++ return YAFFS_FAIL; ++} ++ ++void yaffs_summary_gc(struct yaffs_dev *dev, int blk) ++{ ++ struct yaffs_block_info *bi = yaffs_get_block_info(dev, blk); ++ int i; ++ ++ if (!bi->has_summary) ++ return; ++ ++ for (i = dev->chunks_per_summary; ++ i < dev->param.chunks_per_block; ++ i++) { ++ if (yaffs_check_chunk_bit(dev, blk, i)) { ++ yaffs_clear_chunk_bit(dev, blk, i); ++ bi->pages_in_use--; ++ dev->n_free_chunks++; ++ } ++ } ++} +diff -Nur linux-3.15-rc5.orig/fs/yaffs2/yaffs_summary.h linux-3.15-rc5/fs/yaffs2/yaffs_summary.h +--- linux-3.15-rc5.orig/fs/yaffs2/yaffs_summary.h 1970-01-01 01:00:00.000000000 +0100 ++++ linux-3.15-rc5/fs/yaffs2/yaffs_summary.h 2014-05-17 01:53:27.000000000 +0200 +@@ -0,0 +1,37 @@ ++/* ++ * YAFFS: Yet another Flash File System . A NAND-flash specific file system. ++ * ++ * Copyright (C) 2002-2011 Aleph One Ltd. ++ * for Toby Churchill Ltd and Brightstar Engineering ++ * ++ * Created by Charles Manning ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU Lesser General Public License version 2.1 as ++ * published by the Free Software Foundation. ++ * ++ * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL. ++ */ ++ ++#ifndef __YAFFS_SUMMARY_H__ ++#define __YAFFS_SUMMARY_H__ ++ ++#include "yaffs_packedtags2.h" ++ ++ ++int yaffs_summary_init(struct yaffs_dev *dev); ++void yaffs_summary_deinit(struct yaffs_dev *dev); ++ ++int yaffs_summary_add(struct yaffs_dev *dev, ++ struct yaffs_ext_tags *tags, ++ int chunk_in_block); ++int yaffs_summary_fetch(struct yaffs_dev *dev, ++ struct yaffs_ext_tags *tags, ++ int chunk_in_block); ++int yaffs_summary_read(struct yaffs_dev *dev, ++ struct yaffs_summary_tags *st, ++ int blk); ++void yaffs_summary_gc(struct yaffs_dev *dev, int blk); ++ ++ ++#endif +diff -Nur linux-3.15-rc5.orig/fs/yaffs2/yaffs_tagscompat.c linux-3.15-rc5/fs/yaffs2/yaffs_tagscompat.c +--- linux-3.15-rc5.orig/fs/yaffs2/yaffs_tagscompat.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-3.15-rc5/fs/yaffs2/yaffs_tagscompat.c 2014-05-17 01:53:27.000000000 +0200 +@@ -0,0 +1,381 @@ ++/* ++ * YAFFS: Yet Another Flash File System. A NAND-flash specific file system. ++ * ++ * Copyright (C) 2002-2011 Aleph One Ltd. ++ * for Toby Churchill Ltd and Brightstar Engineering ++ * ++ * Created by Charles Manning ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License version 2 as ++ * published by the Free Software Foundation. ++ */ ++ ++#include "yaffs_guts.h" ++#include "yaffs_tagscompat.h" ++#include "yaffs_ecc.h" ++#include "yaffs_getblockinfo.h" ++#include "yaffs_trace.h" ++ ++static void yaffs_handle_rd_data_error(struct yaffs_dev *dev, int nand_chunk); ++ ++ ++/********** Tags ECC calculations *********/ ++ ++ ++void yaffs_calc_tags_ecc(struct yaffs_tags *tags) ++{ ++ /* Calculate an ecc */ ++ unsigned char *b = ((union yaffs_tags_union *)tags)->as_bytes; ++ unsigned i, j; ++ unsigned ecc = 0; ++ unsigned bit = 0; ++ ++ tags->ecc = 0; ++ ++ for (i = 0; i < 8; i++) { ++ for (j = 1; j & 0xff; j <<= 1) { ++ bit++; ++ if (b[i] & j) ++ ecc ^= bit; ++ } ++ } ++ tags->ecc = ecc; ++} ++ ++int yaffs_check_tags_ecc(struct yaffs_tags *tags) ++{ ++ unsigned ecc = tags->ecc; ++ ++ yaffs_calc_tags_ecc(tags); ++ ++ ecc ^= tags->ecc; ++ ++ if (ecc && ecc <= 64) { ++ /* TODO: Handle the failure better. Retire? */ ++ unsigned char *b = ((union yaffs_tags_union *)tags)->as_bytes; ++ ++ ecc--; ++ ++ b[ecc / 8] ^= (1 << (ecc & 7)); ++ ++ /* Now recvalc the ecc */ ++ yaffs_calc_tags_ecc(tags); ++ ++ return 1; /* recovered error */ ++ } else if (ecc) { ++ /* Wierd ecc failure value */ ++ /* TODO Need to do somethiong here */ ++ return -1; /* unrecovered error */ ++ } ++ return 0; ++} ++ ++/********** Tags **********/ ++ ++static void yaffs_load_tags_to_spare(struct yaffs_spare *spare_ptr, ++ struct yaffs_tags *tags_ptr) ++{ ++ union yaffs_tags_union *tu = (union yaffs_tags_union *)tags_ptr; ++ ++ yaffs_calc_tags_ecc(tags_ptr); ++ ++ spare_ptr->tb0 = tu->as_bytes[0]; ++ spare_ptr->tb1 = tu->as_bytes[1]; ++ spare_ptr->tb2 = tu->as_bytes[2]; ++ spare_ptr->tb3 = tu->as_bytes[3]; ++ spare_ptr->tb4 = tu->as_bytes[4]; ++ spare_ptr->tb5 = tu->as_bytes[5]; ++ spare_ptr->tb6 = tu->as_bytes[6]; ++ spare_ptr->tb7 = tu->as_bytes[7]; ++} ++ ++static void yaffs_get_tags_from_spare(struct yaffs_dev *dev, ++ struct yaffs_spare *spare_ptr, ++ struct yaffs_tags *tags_ptr) ++{ ++ union yaffs_tags_union *tu = (union yaffs_tags_union *)tags_ptr; ++ int result; ++ ++ tu->as_bytes[0] = spare_ptr->tb0; ++ tu->as_bytes[1] = spare_ptr->tb1; ++ tu->as_bytes[2] = spare_ptr->tb2; ++ tu->as_bytes[3] = spare_ptr->tb3; ++ tu->as_bytes[4] = spare_ptr->tb4; ++ tu->as_bytes[5] = spare_ptr->tb5; ++ tu->as_bytes[6] = spare_ptr->tb6; ++ tu->as_bytes[7] = spare_ptr->tb7; ++ ++ result = yaffs_check_tags_ecc(tags_ptr); ++ if (result > 0) ++ dev->n_tags_ecc_fixed++; ++ else if (result < 0) ++ dev->n_tags_ecc_unfixed++; ++} ++ ++static void yaffs_spare_init(struct yaffs_spare *spare) ++{ ++ memset(spare, 0xff, sizeof(struct yaffs_spare)); ++} ++ ++static int yaffs_wr_nand(struct yaffs_dev *dev, ++ int nand_chunk, const u8 *data, ++ struct yaffs_spare *spare) ++{ ++ int data_size = dev->data_bytes_per_chunk; ++ ++ return dev->drv.drv_write_chunk_fn(dev, nand_chunk, ++ data, data_size, ++ (u8 *) spare, sizeof(*spare)); ++} ++ ++static int yaffs_rd_chunk_nand(struct yaffs_dev *dev, ++ int nand_chunk, ++ u8 *data, ++ struct yaffs_spare *spare, ++ enum yaffs_ecc_result *ecc_result, ++ int correct_errors) ++{ ++ int ret_val; ++ struct yaffs_spare local_spare; ++ int data_size; ++ int spare_size; ++ int ecc_result1, ecc_result2; ++ u8 calc_ecc[3]; ++ ++ if (!spare) { ++ /* If we don't have a real spare, then we use a local one. */ ++ /* Need this for the calculation of the ecc */ ++ spare = &local_spare; ++ } ++ data_size = dev->data_bytes_per_chunk; ++ spare_size = sizeof(struct yaffs_spare); ++ ++ if (dev->param.use_nand_ecc) ++ return dev->drv.drv_read_chunk_fn(dev, nand_chunk, ++ data, data_size, ++ (u8 *) spare, spare_size, ++ ecc_result); ++ ++ ++ /* Handle the ECC at this level. */ ++ ++ ret_val = dev->drv.drv_read_chunk_fn(dev, nand_chunk, ++ data, data_size, ++ (u8 *)spare, spare_size, ++ NULL); ++ if (!data || !correct_errors) ++ return ret_val; ++ ++ /* Do ECC correction if needed. */ ++ yaffs_ecc_calc(data, calc_ecc); ++ ecc_result1 = yaffs_ecc_correct(data, spare->ecc1, calc_ecc); ++ yaffs_ecc_calc(&data[256], calc_ecc); ++ ecc_result2 = yaffs_ecc_correct(&data[256], spare->ecc2, calc_ecc); ++ ++ if (ecc_result1 > 0) { ++ yaffs_trace(YAFFS_TRACE_ERROR, ++ "**>>yaffs ecc error fix performed on chunk %d:0", ++ nand_chunk); ++ dev->n_ecc_fixed++; ++ } else if (ecc_result1 < 0) { ++ yaffs_trace(YAFFS_TRACE_ERROR, ++ "**>>yaffs ecc error unfixed on chunk %d:0", ++ nand_chunk); ++ dev->n_ecc_unfixed++; ++ } ++ ++ if (ecc_result2 > 0) { ++ yaffs_trace(YAFFS_TRACE_ERROR, ++ "**>>yaffs ecc error fix performed on chunk %d:1", ++ nand_chunk); ++ dev->n_ecc_fixed++; ++ } else if (ecc_result2 < 0) { ++ yaffs_trace(YAFFS_TRACE_ERROR, ++ "**>>yaffs ecc error unfixed on chunk %d:1", ++ nand_chunk); ++ dev->n_ecc_unfixed++; ++ } ++ ++ if (ecc_result1 || ecc_result2) { ++ /* We had a data problem on this page */ ++ yaffs_handle_rd_data_error(dev, nand_chunk); ++ } ++ ++ if (ecc_result1 < 0 || ecc_result2 < 0) ++ *ecc_result = YAFFS_ECC_RESULT_UNFIXED; ++ else if (ecc_result1 > 0 || ecc_result2 > 0) ++ *ecc_result = YAFFS_ECC_RESULT_FIXED; ++ else ++ *ecc_result = YAFFS_ECC_RESULT_NO_ERROR; ++ ++ return ret_val; ++} ++ ++/* ++ * Functions for robustisizing ++ */ ++ ++static void yaffs_handle_rd_data_error(struct yaffs_dev *dev, int nand_chunk) ++{ ++ int flash_block = nand_chunk / dev->param.chunks_per_block; ++ ++ /* Mark the block for retirement */ ++ yaffs_get_block_info(dev, flash_block + dev->block_offset)-> ++ needs_retiring = 1; ++ yaffs_trace(YAFFS_TRACE_ERROR | YAFFS_TRACE_BAD_BLOCKS, ++ "**>>Block %d marked for retirement", ++ flash_block); ++ ++ /* TODO: ++ * Just do a garbage collection on the affected block ++ * then retire the block ++ * NB recursion ++ */ ++} ++ ++static int yaffs_tags_compat_wr(struct yaffs_dev *dev, ++ int nand_chunk, ++ const u8 *data, const struct yaffs_ext_tags *ext_tags) ++{ ++ struct yaffs_spare spare; ++ struct yaffs_tags tags; ++ ++ yaffs_spare_init(&spare); ++ ++ if (ext_tags->is_deleted) ++ spare.page_status = 0; ++ else { ++ tags.obj_id = ext_tags->obj_id; ++ tags.chunk_id = ext_tags->chunk_id; ++ ++ tags.n_bytes_lsb = ext_tags->n_bytes & (1024 - 1); ++ ++ if (dev->data_bytes_per_chunk >= 1024) ++ tags.n_bytes_msb = (ext_tags->n_bytes >> 10) & 3; ++ else ++ tags.n_bytes_msb = 3; ++ ++ tags.serial_number = ext_tags->serial_number; ++ ++ if (!dev->param.use_nand_ecc && data) { ++ yaffs_ecc_calc(data, spare.ecc1); ++ yaffs_ecc_calc(&data[256], spare.ecc2); ++ } ++ ++ yaffs_load_tags_to_spare(&spare, &tags); ++ } ++ return yaffs_wr_nand(dev, nand_chunk, data, &spare); ++} ++ ++static int yaffs_tags_compat_rd(struct yaffs_dev *dev, ++ int nand_chunk, ++ u8 *data, struct yaffs_ext_tags *ext_tags) ++{ ++ struct yaffs_spare spare; ++ struct yaffs_tags tags; ++ enum yaffs_ecc_result ecc_result = YAFFS_ECC_RESULT_UNKNOWN; ++ static struct yaffs_spare spare_ff; ++ static int init; ++ int deleted; ++ ++ if (!init) { ++ memset(&spare_ff, 0xff, sizeof(spare_ff)); ++ init = 1; ++ } ++ ++ if (!yaffs_rd_chunk_nand(dev, nand_chunk, ++ data, &spare, &ecc_result, 1)) ++ return YAFFS_FAIL; ++ ++ /* ext_tags may be NULL */ ++ if (!ext_tags) ++ return YAFFS_OK; ++ ++ deleted = (hweight8(spare.page_status) < 7) ? 1 : 0; ++ ++ ext_tags->is_deleted = deleted; ++ ext_tags->ecc_result = ecc_result; ++ ext_tags->block_bad = 0; /* We're reading it */ ++ /* therefore it is not a bad block */ ++ ext_tags->chunk_used = ++ memcmp(&spare_ff, &spare, sizeof(spare_ff)) ? 1 : 0; ++ ++ if (ext_tags->chunk_used) { ++ yaffs_get_tags_from_spare(dev, &spare, &tags); ++ ext_tags->obj_id = tags.obj_id; ++ ext_tags->chunk_id = tags.chunk_id; ++ ext_tags->n_bytes = tags.n_bytes_lsb; ++ ++ if (dev->data_bytes_per_chunk >= 1024) ++ ext_tags->n_bytes |= ++ (((unsigned)tags.n_bytes_msb) << 10); ++ ++ ext_tags->serial_number = tags.serial_number; ++ } ++ ++ return YAFFS_OK; ++} ++ ++static int yaffs_tags_compat_mark_bad(struct yaffs_dev *dev, int flash_block) ++{ ++ struct yaffs_spare spare; ++ ++ memset(&spare, 0xff, sizeof(struct yaffs_spare)); ++ ++ spare.block_status = 'Y'; ++ ++ yaffs_wr_nand(dev, flash_block * dev->param.chunks_per_block, NULL, ++ &spare); ++ yaffs_wr_nand(dev, flash_block * dev->param.chunks_per_block + 1, ++ NULL, &spare); ++ ++ return YAFFS_OK; ++} ++ ++static int yaffs_tags_compat_query_block(struct yaffs_dev *dev, ++ int block_no, ++ enum yaffs_block_state *state, ++ u32 *seq_number) ++{ ++ struct yaffs_spare spare0, spare1; ++ static struct yaffs_spare spare_ff; ++ static int init; ++ enum yaffs_ecc_result dummy; ++ ++ if (!init) { ++ memset(&spare_ff, 0xff, sizeof(spare_ff)); ++ init = 1; ++ } ++ ++ *seq_number = 0; ++ ++ /* Look for bad block markers in the first two chunks */ ++ yaffs_rd_chunk_nand(dev, block_no * dev->param.chunks_per_block, ++ NULL, &spare0, &dummy, 0); ++ yaffs_rd_chunk_nand(dev, block_no * dev->param.chunks_per_block + 1, ++ NULL, &spare1, &dummy, 0); ++ ++ if (hweight8(spare0.block_status & spare1.block_status) < 7) ++ *state = YAFFS_BLOCK_STATE_DEAD; ++ else if (memcmp(&spare_ff, &spare0, sizeof(spare_ff)) == 0) ++ *state = YAFFS_BLOCK_STATE_EMPTY; ++ else ++ *state = YAFFS_BLOCK_STATE_NEEDS_SCAN; ++ ++ return YAFFS_OK; ++} ++ ++void yaffs_tags_compat_install(struct yaffs_dev *dev) ++{ ++ if(dev->param.is_yaffs2) ++ return; ++ if(!dev->tagger.write_chunk_tags_fn) ++ dev->tagger.write_chunk_tags_fn = yaffs_tags_compat_wr; ++ if(!dev->tagger.read_chunk_tags_fn) ++ dev->tagger.read_chunk_tags_fn = yaffs_tags_compat_rd; ++ if(!dev->tagger.query_block_fn) ++ dev->tagger.query_block_fn = yaffs_tags_compat_query_block; ++ if(!dev->tagger.mark_bad_fn) ++ dev->tagger.mark_bad_fn = yaffs_tags_compat_mark_bad; ++} +diff -Nur linux-3.15-rc5.orig/fs/yaffs2/yaffs_tagscompat.h linux-3.15-rc5/fs/yaffs2/yaffs_tagscompat.h +--- linux-3.15-rc5.orig/fs/yaffs2/yaffs_tagscompat.h 1970-01-01 01:00:00.000000000 +0100 ++++ linux-3.15-rc5/fs/yaffs2/yaffs_tagscompat.h 2014-05-17 01:53:27.000000000 +0200 +@@ -0,0 +1,44 @@ ++/* ++ * YAFFS: Yet another Flash File System . A NAND-flash specific file system. ++ * ++ * Copyright (C) 2002-2011 Aleph One Ltd. ++ * for Toby Churchill Ltd and Brightstar Engineering ++ * ++ * Created by Charles Manning ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU Lesser General Public License version 2.1 as ++ * published by the Free Software Foundation. ++ * ++ * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL. ++ */ ++ ++#ifndef __YAFFS_TAGSCOMPAT_H__ ++#define __YAFFS_TAGSCOMPAT_H__ ++ ++ ++#include "yaffs_guts.h" ++ ++#if 0 ++ ++ ++int yaffs_tags_compat_wr(struct yaffs_dev *dev, ++ int nand_chunk, ++ const u8 *data, const struct yaffs_ext_tags *tags); ++int yaffs_tags_compat_rd(struct yaffs_dev *dev, ++ int nand_chunk, ++ u8 *data, struct yaffs_ext_tags *tags); ++int yaffs_tags_compat_mark_bad(struct yaffs_dev *dev, int block_no); ++int yaffs_tags_compat_query_block(struct yaffs_dev *dev, ++ int block_no, ++ enum yaffs_block_state *state, ++ u32 *seq_number); ++ ++#endif ++ ++ ++void yaffs_tags_compat_install(struct yaffs_dev *dev); ++void yaffs_calc_tags_ecc(struct yaffs_tags *tags); ++int yaffs_check_tags_ecc(struct yaffs_tags *tags); ++ ++#endif +diff -Nur linux-3.15-rc5.orig/fs/yaffs2/yaffs_tagsmarshall.c linux-3.15-rc5/fs/yaffs2/yaffs_tagsmarshall.c +--- linux-3.15-rc5.orig/fs/yaffs2/yaffs_tagsmarshall.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-3.15-rc5/fs/yaffs2/yaffs_tagsmarshall.c 2014-05-17 01:53:27.000000000 +0200 +@@ -0,0 +1,199 @@ ++/* ++ * YAFFS: Yet Another Flash File System. A NAND-flash specific file system. ++ * ++ * Copyright (C) 2002-2011 Aleph One Ltd. ++ * for Toby Churchill Ltd and Brightstar Engineering ++ * ++ * Created by Charles Manning ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License version 2 as ++ * published by the Free Software Foundation. ++ */ ++ ++#include "yaffs_guts.h" ++#include "yaffs_trace.h" ++#include "yaffs_packedtags2.h" ++ ++static int yaffs_tags_marshall_write(struct yaffs_dev *dev, ++ int nand_chunk, const u8 *data, ++ const struct yaffs_ext_tags *tags) ++{ ++ struct yaffs_packed_tags2 pt; ++ int retval; ++ ++ int packed_tags_size = ++ dev->param.no_tags_ecc ? sizeof(pt.t) : sizeof(pt); ++ void *packed_tags_ptr = ++ dev->param.no_tags_ecc ? (void *)&pt.t : (void *)&pt; ++ ++ yaffs_trace(YAFFS_TRACE_MTD, ++ "yaffs_tags_marshall_write chunk %d data %p tags %p", ++ nand_chunk, data, tags); ++ ++ /* For yaffs2 writing there must be both data and tags. ++ * If we're using inband tags, then the tags are stuffed into ++ * the end of the data buffer. ++ */ ++ if (!data || !tags) ++ BUG(); ++ else if (dev->param.inband_tags) { ++ struct yaffs_packed_tags2_tags_only *pt2tp; ++ pt2tp = ++ (struct yaffs_packed_tags2_tags_only *)(data + ++ dev-> ++ data_bytes_per_chunk); ++ yaffs_pack_tags2_tags_only(pt2tp, tags); ++ } else { ++ yaffs_pack_tags2(&pt, tags, !dev->param.no_tags_ecc); ++ } ++ ++ retval = dev->drv.drv_write_chunk_fn(dev, nand_chunk, ++ data, dev->param.total_bytes_per_chunk, ++ (dev->param.inband_tags) ? NULL : packed_tags_ptr, ++ (dev->param.inband_tags) ? 0 : packed_tags_size); ++ ++ return retval; ++} ++ ++static int yaffs_tags_marshall_read(struct yaffs_dev *dev, ++ int nand_chunk, u8 *data, ++ struct yaffs_ext_tags *tags) ++{ ++ int retval = 0; ++ int local_data = 0; ++ u8 spare_buffer[100]; ++ enum yaffs_ecc_result ecc_result; ++ ++ struct yaffs_packed_tags2 pt; ++ ++ int packed_tags_size = ++ dev->param.no_tags_ecc ? sizeof(pt.t) : sizeof(pt); ++ void *packed_tags_ptr = ++ dev->param.no_tags_ecc ? (void *)&pt.t : (void *)&pt; ++ ++ yaffs_trace(YAFFS_TRACE_MTD, ++ "yaffs_tags_marshall_read chunk %d data %p tags %p", ++ nand_chunk, data, tags); ++ ++ if (dev->param.inband_tags) { ++ if (!data) { ++ local_data = 1; ++ data = yaffs_get_temp_buffer(dev); ++ } ++ } ++ ++ if (dev->param.inband_tags || (data && !tags)) ++ retval = dev->drv.drv_read_chunk_fn(dev, nand_chunk, ++ data, dev->param.total_bytes_per_chunk, ++ NULL, 0, ++ &ecc_result); ++ else if (tags) ++ retval = dev->drv.drv_read_chunk_fn(dev, nand_chunk, ++ data, dev->param.total_bytes_per_chunk, ++ spare_buffer, packed_tags_size, ++ &ecc_result); ++ else ++ BUG(); ++ ++ ++ if (dev->param.inband_tags) { ++ if (tags) { ++ struct yaffs_packed_tags2_tags_only *pt2tp; ++ pt2tp = ++ (struct yaffs_packed_tags2_tags_only *) ++ &data[dev->data_bytes_per_chunk]; ++ yaffs_unpack_tags2_tags_only(tags, pt2tp); ++ } ++ } else if (tags) { ++ memcpy(packed_tags_ptr, spare_buffer, packed_tags_size); ++ yaffs_unpack_tags2(tags, &pt, !dev->param.no_tags_ecc); ++ } ++ ++ if (local_data) ++ yaffs_release_temp_buffer(dev, data); ++ ++ if (tags && ecc_result == YAFFS_ECC_RESULT_UNFIXED) { ++ tags->ecc_result = YAFFS_ECC_RESULT_UNFIXED; ++ dev->n_ecc_unfixed++; ++ } ++ ++ if (tags && ecc_result == -YAFFS_ECC_RESULT_FIXED) { ++ if (tags->ecc_result <= YAFFS_ECC_RESULT_NO_ERROR) ++ tags->ecc_result = YAFFS_ECC_RESULT_FIXED; ++ dev->n_ecc_fixed++; ++ } ++ ++ if (ecc_result < YAFFS_ECC_RESULT_UNFIXED) ++ return YAFFS_OK; ++ else ++ return YAFFS_FAIL; ++} ++ ++static int yaffs_tags_marshall_query_block(struct yaffs_dev *dev, int block_no, ++ enum yaffs_block_state *state, ++ u32 *seq_number) ++{ ++ int retval; ++ ++ yaffs_trace(YAFFS_TRACE_MTD, "yaffs_tags_marshall_query_block %d", ++ block_no); ++ ++ retval = dev->drv.drv_check_bad_fn(dev, block_no); ++ ++ if (retval== YAFFS_FAIL) { ++ yaffs_trace(YAFFS_TRACE_MTD, "block is bad"); ++ ++ *state = YAFFS_BLOCK_STATE_DEAD; ++ *seq_number = 0; ++ } else { ++ struct yaffs_ext_tags t; ++ ++ yaffs_tags_marshall_read(dev, ++ block_no * dev->param.chunks_per_block, ++ NULL, &t); ++ ++ if (t.chunk_used) { ++ *seq_number = t.seq_number; ++ *state = YAFFS_BLOCK_STATE_NEEDS_SCAN; ++ } else { ++ *seq_number = 0; ++ *state = YAFFS_BLOCK_STATE_EMPTY; ++ } ++ } ++ ++ yaffs_trace(YAFFS_TRACE_MTD, ++ "block query returns seq %d state %d", ++ *seq_number, *state); ++ ++ if (retval == 0) ++ return YAFFS_OK; ++ else ++ return YAFFS_FAIL; ++} ++ ++static int yaffs_tags_marshall_mark_bad(struct yaffs_dev *dev, int block_no) ++{ ++ return dev->drv.drv_mark_bad_fn(dev, block_no); ++ ++} ++ ++ ++void yaffs_tags_marshall_install(struct yaffs_dev *dev) ++{ ++ if (!dev->param.is_yaffs2) ++ return; ++ ++ if (!dev->tagger.write_chunk_tags_fn) ++ dev->tagger.write_chunk_tags_fn = yaffs_tags_marshall_write; ++ ++ if (!dev->tagger.read_chunk_tags_fn) ++ dev->tagger.read_chunk_tags_fn = yaffs_tags_marshall_read; ++ ++ if (!dev->tagger.query_block_fn) ++ dev->tagger.query_block_fn = yaffs_tags_marshall_query_block; ++ ++ if (!dev->tagger.mark_bad_fn) ++ dev->tagger.mark_bad_fn = yaffs_tags_marshall_mark_bad; ++ ++} +diff -Nur linux-3.15-rc5.orig/fs/yaffs2/yaffs_tagsmarshall.h linux-3.15-rc5/fs/yaffs2/yaffs_tagsmarshall.h +--- linux-3.15-rc5.orig/fs/yaffs2/yaffs_tagsmarshall.h 1970-01-01 01:00:00.000000000 +0100 ++++ linux-3.15-rc5/fs/yaffs2/yaffs_tagsmarshall.h 2014-05-17 01:53:27.000000000 +0200 +@@ -0,0 +1,22 @@ ++/* ++ * YAFFS: Yet another Flash File System . A NAND-flash specific file system. ++ * ++ * Copyright (C) 2002-2011 Aleph One Ltd. ++ * for Toby Churchill Ltd and Brightstar Engineering ++ * ++ * Created by Charles Manning ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU Lesser General Public License version 2.1 as ++ * published by the Free Software Foundation. ++ * ++ * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL. ++ */ ++ ++#ifndef __YAFFS_TAGSMARSHALL_H__ ++#define __YAFFS_TAGSMARSHALL_H__ ++ ++#include "yaffs_guts.h" ++void yaffs_tags_marshall_install(struct yaffs_dev *dev); ++ ++#endif +diff -Nur linux-3.15-rc5.orig/fs/yaffs2/yaffs_trace.h linux-3.15-rc5/fs/yaffs2/yaffs_trace.h +--- linux-3.15-rc5.orig/fs/yaffs2/yaffs_trace.h 1970-01-01 01:00:00.000000000 +0100 ++++ linux-3.15-rc5/fs/yaffs2/yaffs_trace.h 2014-05-17 01:53:27.000000000 +0200 +@@ -0,0 +1,57 @@ ++/* ++ * YAFFS: Yet another Flash File System . A NAND-flash specific file system. ++ * ++ * Copyright (C) 2002-2011 Aleph One Ltd. ++ * for Toby Churchill Ltd and Brightstar Engineering ++ * ++ * Created by Charles Manning ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU Lesser General Public License version 2.1 as ++ * published by the Free Software Foundation. ++ * ++ * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL. ++ */ ++ ++#ifndef __YTRACE_H__ ++#define __YTRACE_H__ ++ ++extern unsigned int yaffs_trace_mask; ++extern unsigned int yaffs_wr_attempts; ++ ++/* ++ * Tracing flags. ++ * The flags masked in YAFFS_TRACE_ALWAYS are always traced. ++ */ ++ ++#define YAFFS_TRACE_OS 0x00000002 ++#define YAFFS_TRACE_ALLOCATE 0x00000004 ++#define YAFFS_TRACE_SCAN 0x00000008 ++#define YAFFS_TRACE_BAD_BLOCKS 0x00000010 ++#define YAFFS_TRACE_ERASE 0x00000020 ++#define YAFFS_TRACE_GC 0x00000040 ++#define YAFFS_TRACE_WRITE 0x00000080 ++#define YAFFS_TRACE_TRACING 0x00000100 ++#define YAFFS_TRACE_DELETION 0x00000200 ++#define YAFFS_TRACE_BUFFERS 0x00000400 ++#define YAFFS_TRACE_NANDACCESS 0x00000800 ++#define YAFFS_TRACE_GC_DETAIL 0x00001000 ++#define YAFFS_TRACE_SCAN_DEBUG 0x00002000 ++#define YAFFS_TRACE_MTD 0x00004000 ++#define YAFFS_TRACE_CHECKPOINT 0x00008000 ++ ++#define YAFFS_TRACE_VERIFY 0x00010000 ++#define YAFFS_TRACE_VERIFY_NAND 0x00020000 ++#define YAFFS_TRACE_VERIFY_FULL 0x00040000 ++#define YAFFS_TRACE_VERIFY_ALL 0x000f0000 ++ ++#define YAFFS_TRACE_SYNC 0x00100000 ++#define YAFFS_TRACE_BACKGROUND 0x00200000 ++#define YAFFS_TRACE_LOCK 0x00400000 ++#define YAFFS_TRACE_MOUNT 0x00800000 ++ ++#define YAFFS_TRACE_ERROR 0x40000000 ++#define YAFFS_TRACE_BUG 0x80000000 ++#define YAFFS_TRACE_ALWAYS 0xf0000000 ++ ++#endif +diff -Nur linux-3.15-rc5.orig/fs/yaffs2/yaffs_verify.c linux-3.15-rc5/fs/yaffs2/yaffs_verify.c +--- linux-3.15-rc5.orig/fs/yaffs2/yaffs_verify.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-3.15-rc5/fs/yaffs2/yaffs_verify.c 2014-05-17 01:53:27.000000000 +0200 +@@ -0,0 +1,529 @@ ++/* ++ * YAFFS: Yet Another Flash File System. A NAND-flash specific file system. ++ * ++ * Copyright (C) 2002-2011 Aleph One Ltd. ++ * for Toby Churchill Ltd and Brightstar Engineering ++ * ++ * Created by Charles Manning ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License version 2 as ++ * published by the Free Software Foundation. ++ */ ++ ++#include "yaffs_verify.h" ++#include "yaffs_trace.h" ++#include "yaffs_bitmap.h" ++#include "yaffs_getblockinfo.h" ++#include "yaffs_nand.h" ++ ++int yaffs_skip_verification(struct yaffs_dev *dev) ++{ ++ (void) dev; ++ return !(yaffs_trace_mask & ++ (YAFFS_TRACE_VERIFY | YAFFS_TRACE_VERIFY_FULL)); ++} ++ ++static int yaffs_skip_full_verification(struct yaffs_dev *dev) ++{ ++ (void) dev; ++ return !(yaffs_trace_mask & (YAFFS_TRACE_VERIFY_FULL)); ++} ++ ++static int yaffs_skip_nand_verification(struct yaffs_dev *dev) ++{ ++ (void) dev; ++ return !(yaffs_trace_mask & (YAFFS_TRACE_VERIFY_NAND)); ++} ++ ++static const char * const block_state_name[] = { ++ "Unknown", ++ "Needs scan", ++ "Scanning", ++ "Empty", ++ "Allocating", ++ "Full", ++ "Dirty", ++ "Checkpoint", ++ "Collecting", ++ "Dead" ++}; ++ ++void yaffs_verify_blk(struct yaffs_dev *dev, struct yaffs_block_info *bi, int n) ++{ ++ int actually_used; ++ int in_use; ++ ++ if (yaffs_skip_verification(dev)) ++ return; ++ ++ /* Report illegal runtime states */ ++ if (bi->block_state >= YAFFS_NUMBER_OF_BLOCK_STATES) ++ yaffs_trace(YAFFS_TRACE_VERIFY, ++ "Block %d has undefined state %d", ++ n, bi->block_state); ++ ++ switch (bi->block_state) { ++ case YAFFS_BLOCK_STATE_UNKNOWN: ++ case YAFFS_BLOCK_STATE_SCANNING: ++ case YAFFS_BLOCK_STATE_NEEDS_SCAN: ++ yaffs_trace(YAFFS_TRACE_VERIFY, ++ "Block %d has bad run-state %s", ++ n, block_state_name[bi->block_state]); ++ } ++ ++ /* Check pages in use and soft deletions are legal */ ++ ++ actually_used = bi->pages_in_use - bi->soft_del_pages; ++ ++ if (bi->pages_in_use < 0 || ++ bi->pages_in_use > dev->param.chunks_per_block || ++ bi->soft_del_pages < 0 || ++ bi->soft_del_pages > dev->param.chunks_per_block || ++ actually_used < 0 || actually_used > dev->param.chunks_per_block) ++ yaffs_trace(YAFFS_TRACE_VERIFY, ++ "Block %d has illegal values pages_in_used %d soft_del_pages %d", ++ n, bi->pages_in_use, bi->soft_del_pages); ++ ++ /* Check chunk bitmap legal */ ++ in_use = yaffs_count_chunk_bits(dev, n); ++ if (in_use != bi->pages_in_use) ++ yaffs_trace(YAFFS_TRACE_VERIFY, ++ "Block %d has inconsistent values pages_in_use %d counted chunk bits %d", ++ n, bi->pages_in_use, in_use); ++} ++ ++void yaffs_verify_collected_blk(struct yaffs_dev *dev, ++ struct yaffs_block_info *bi, int n) ++{ ++ yaffs_verify_blk(dev, bi, n); ++ ++ /* After collection the block should be in the erased state */ ++ ++ if (bi->block_state != YAFFS_BLOCK_STATE_COLLECTING && ++ bi->block_state != YAFFS_BLOCK_STATE_EMPTY) { ++ yaffs_trace(YAFFS_TRACE_ERROR, ++ "Block %d is in state %d after gc, should be erased", ++ n, bi->block_state); ++ } ++} ++ ++void yaffs_verify_blocks(struct yaffs_dev *dev) ++{ ++ int i; ++ int state_count[YAFFS_NUMBER_OF_BLOCK_STATES]; ++ int illegal_states = 0; ++ ++ if (yaffs_skip_verification(dev)) ++ return; ++ ++ memset(state_count, 0, sizeof(state_count)); ++ ++ for (i = dev->internal_start_block; i <= dev->internal_end_block; i++) { ++ struct yaffs_block_info *bi = yaffs_get_block_info(dev, i); ++ yaffs_verify_blk(dev, bi, i); ++ ++ if (bi->block_state < YAFFS_NUMBER_OF_BLOCK_STATES) ++ state_count[bi->block_state]++; ++ else ++ illegal_states++; ++ } ++ ++ yaffs_trace(YAFFS_TRACE_VERIFY, "Block summary"); ++ ++ yaffs_trace(YAFFS_TRACE_VERIFY, ++ "%d blocks have illegal states", ++ illegal_states); ++ if (state_count[YAFFS_BLOCK_STATE_ALLOCATING] > 1) ++ yaffs_trace(YAFFS_TRACE_VERIFY, ++ "Too many allocating blocks"); ++ ++ for (i = 0; i < YAFFS_NUMBER_OF_BLOCK_STATES; i++) ++ yaffs_trace(YAFFS_TRACE_VERIFY, ++ "%s %d blocks", ++ block_state_name[i], state_count[i]); ++ ++ if (dev->blocks_in_checkpt != state_count[YAFFS_BLOCK_STATE_CHECKPOINT]) ++ yaffs_trace(YAFFS_TRACE_VERIFY, ++ "Checkpoint block count wrong dev %d count %d", ++ dev->blocks_in_checkpt, ++ state_count[YAFFS_BLOCK_STATE_CHECKPOINT]); ++ ++ if (dev->n_erased_blocks != state_count[YAFFS_BLOCK_STATE_EMPTY]) ++ yaffs_trace(YAFFS_TRACE_VERIFY, ++ "Erased block count wrong dev %d count %d", ++ dev->n_erased_blocks, ++ state_count[YAFFS_BLOCK_STATE_EMPTY]); ++ ++ if (state_count[YAFFS_BLOCK_STATE_COLLECTING] > 1) ++ yaffs_trace(YAFFS_TRACE_VERIFY, ++ "Too many collecting blocks %d (max is 1)", ++ state_count[YAFFS_BLOCK_STATE_COLLECTING]); ++} ++ ++/* ++ * Verify the object header. oh must be valid, but obj and tags may be NULL in ++ * which case those tests will not be performed. ++ */ ++void yaffs_verify_oh(struct yaffs_obj *obj, struct yaffs_obj_hdr *oh, ++ struct yaffs_ext_tags *tags, int parent_check) ++{ ++ if (obj && yaffs_skip_verification(obj->my_dev)) ++ return; ++ ++ if (!(tags && obj && oh)) { ++ yaffs_trace(YAFFS_TRACE_VERIFY, ++ "Verifying object header tags %p obj %p oh %p", ++ tags, obj, oh); ++ return; ++ } ++ ++ if (oh->type <= YAFFS_OBJECT_TYPE_UNKNOWN || ++ oh->type > YAFFS_OBJECT_TYPE_MAX) ++ yaffs_trace(YAFFS_TRACE_VERIFY, ++ "Obj %d header type is illegal value 0x%x", ++ tags->obj_id, oh->type); ++ ++ if (tags->obj_id != obj->obj_id) ++ yaffs_trace(YAFFS_TRACE_VERIFY, ++ "Obj %d header mismatch obj_id %d", ++ tags->obj_id, obj->obj_id); ++ ++ /* ++ * Check that the object's parent ids match if parent_check requested. ++ * ++ * Tests do not apply to the root object. ++ */ ++ ++ if (parent_check && tags->obj_id > 1 && !obj->parent) ++ yaffs_trace(YAFFS_TRACE_VERIFY, ++ "Obj %d header mismatch parent_id %d obj->parent is NULL", ++ tags->obj_id, oh->parent_obj_id); ++ ++ if (parent_check && obj->parent && ++ oh->parent_obj_id != obj->parent->obj_id && ++ (oh->parent_obj_id != YAFFS_OBJECTID_UNLINKED || ++ obj->parent->obj_id != YAFFS_OBJECTID_DELETED)) ++ yaffs_trace(YAFFS_TRACE_VERIFY, ++ "Obj %d header mismatch parent_id %d parent_obj_id %d", ++ tags->obj_id, oh->parent_obj_id, ++ obj->parent->obj_id); ++ ++ if (tags->obj_id > 1 && oh->name[0] == 0) /* Null name */ ++ yaffs_trace(YAFFS_TRACE_VERIFY, ++ "Obj %d header name is NULL", ++ obj->obj_id); ++ ++ if (tags->obj_id > 1 && ((u8) (oh->name[0])) == 0xff) /* Junk name */ ++ yaffs_trace(YAFFS_TRACE_VERIFY, ++ "Obj %d header name is 0xff", ++ obj->obj_id); ++} ++ ++void yaffs_verify_file(struct yaffs_obj *obj) ++{ ++ u32 x; ++ int required_depth; ++ int actual_depth; ++ int last_chunk; ++ u32 offset_in_chunk; ++ u32 the_chunk; ++ ++ u32 i; ++ struct yaffs_dev *dev; ++ struct yaffs_ext_tags tags; ++ struct yaffs_tnode *tn; ++ u32 obj_id; ++ ++ if (!obj) ++ return; ++ ++ if (yaffs_skip_verification(obj->my_dev)) ++ return; ++ ++ dev = obj->my_dev; ++ obj_id = obj->obj_id; ++ ++ ++ /* Check file size is consistent with tnode depth */ ++ yaffs_addr_to_chunk(dev, obj->variant.file_variant.file_size, ++ &last_chunk, &offset_in_chunk); ++ last_chunk++; ++ x = last_chunk >> YAFFS_TNODES_LEVEL0_BITS; ++ required_depth = 0; ++ while (x > 0) { ++ x >>= YAFFS_TNODES_INTERNAL_BITS; ++ required_depth++; ++ } ++ ++ actual_depth = obj->variant.file_variant.top_level; ++ ++ /* Check that the chunks in the tnode tree are all correct. ++ * We do this by scanning through the tnode tree and ++ * checking the tags for every chunk match. ++ */ ++ ++ if (yaffs_skip_nand_verification(dev)) ++ return; ++ ++ for (i = 1; i <= last_chunk; i++) { ++ tn = yaffs_find_tnode_0(dev, &obj->variant.file_variant, i); ++ ++ if (!tn) ++ continue; ++ ++ the_chunk = yaffs_get_group_base(dev, tn, i); ++ if (the_chunk > 0) { ++ yaffs_rd_chunk_tags_nand(dev, the_chunk, NULL, ++ &tags); ++ if (tags.obj_id != obj_id || tags.chunk_id != i) ++ yaffs_trace(YAFFS_TRACE_VERIFY, ++ "Object %d chunk_id %d NAND mismatch chunk %d tags (%d:%d)", ++ obj_id, i, the_chunk, ++ tags.obj_id, tags.chunk_id); ++ } ++ } ++} ++ ++void yaffs_verify_link(struct yaffs_obj *obj) ++{ ++ if (obj && yaffs_skip_verification(obj->my_dev)) ++ return; ++ ++ /* Verify sane equivalent object */ ++} ++ ++void yaffs_verify_symlink(struct yaffs_obj *obj) ++{ ++ if (obj && yaffs_skip_verification(obj->my_dev)) ++ return; ++ ++ /* Verify symlink string */ ++} ++ ++void yaffs_verify_special(struct yaffs_obj *obj) ++{ ++ if (obj && yaffs_skip_verification(obj->my_dev)) ++ return; ++} ++ ++void yaffs_verify_obj(struct yaffs_obj *obj) ++{ ++ struct yaffs_dev *dev; ++ u32 chunk_min; ++ u32 chunk_max; ++ u32 chunk_id_ok; ++ u32 chunk_in_range; ++ u32 chunk_wrongly_deleted; ++ u32 chunk_valid; ++ ++ if (!obj) ++ return; ++ ++ if (obj->being_created) ++ return; ++ ++ dev = obj->my_dev; ++ ++ if (yaffs_skip_verification(dev)) ++ return; ++ ++ /* Check sane object header chunk */ ++ ++ chunk_min = dev->internal_start_block * dev->param.chunks_per_block; ++ chunk_max = ++ (dev->internal_end_block + 1) * dev->param.chunks_per_block - 1; ++ ++ chunk_in_range = (((unsigned)(obj->hdr_chunk)) >= chunk_min && ++ ((unsigned)(obj->hdr_chunk)) <= chunk_max); ++ chunk_id_ok = chunk_in_range || (obj->hdr_chunk == 0); ++ chunk_valid = chunk_in_range && ++ yaffs_check_chunk_bit(dev, ++ obj->hdr_chunk / dev->param.chunks_per_block, ++ obj->hdr_chunk % dev->param.chunks_per_block); ++ chunk_wrongly_deleted = chunk_in_range && !chunk_valid; ++ ++ if (!obj->fake && (!chunk_id_ok || chunk_wrongly_deleted)) ++ yaffs_trace(YAFFS_TRACE_VERIFY, ++ "Obj %d has chunk_id %d %s %s", ++ obj->obj_id, obj->hdr_chunk, ++ chunk_id_ok ? "" : ",out of range", ++ chunk_wrongly_deleted ? ",marked as deleted" : ""); ++ ++ if (chunk_valid && !yaffs_skip_nand_verification(dev)) { ++ struct yaffs_ext_tags tags; ++ struct yaffs_obj_hdr *oh; ++ u8 *buffer = yaffs_get_temp_buffer(dev); ++ ++ oh = (struct yaffs_obj_hdr *)buffer; ++ ++ yaffs_rd_chunk_tags_nand(dev, obj->hdr_chunk, buffer, &tags); ++ ++ yaffs_verify_oh(obj, oh, &tags, 1); ++ ++ yaffs_release_temp_buffer(dev, buffer); ++ } ++ ++ /* Verify it has a parent */ ++ if (obj && !obj->fake && (!obj->parent || obj->parent->my_dev != dev)) { ++ yaffs_trace(YAFFS_TRACE_VERIFY, ++ "Obj %d has parent pointer %p which does not look like an object", ++ obj->obj_id, obj->parent); ++ } ++ ++ /* Verify parent is a directory */ ++ if (obj->parent && ++ obj->parent->variant_type != YAFFS_OBJECT_TYPE_DIRECTORY) { ++ yaffs_trace(YAFFS_TRACE_VERIFY, ++ "Obj %d's parent is not a directory (type %d)", ++ obj->obj_id, obj->parent->variant_type); ++ } ++ ++ switch (obj->variant_type) { ++ case YAFFS_OBJECT_TYPE_FILE: ++ yaffs_verify_file(obj); ++ break; ++ case YAFFS_OBJECT_TYPE_SYMLINK: ++ yaffs_verify_symlink(obj); ++ break; ++ case YAFFS_OBJECT_TYPE_DIRECTORY: ++ yaffs_verify_dir(obj); ++ break; ++ case YAFFS_OBJECT_TYPE_HARDLINK: ++ yaffs_verify_link(obj); ++ break; ++ case YAFFS_OBJECT_TYPE_SPECIAL: ++ yaffs_verify_special(obj); ++ break; ++ case YAFFS_OBJECT_TYPE_UNKNOWN: ++ default: ++ yaffs_trace(YAFFS_TRACE_VERIFY, ++ "Obj %d has illegaltype %d", ++ obj->obj_id, obj->variant_type); ++ break; ++ } ++} ++ ++void yaffs_verify_objects(struct yaffs_dev *dev) ++{ ++ struct yaffs_obj *obj; ++ int i; ++ struct list_head *lh; ++ ++ if (yaffs_skip_verification(dev)) ++ return; ++ ++ /* Iterate through the objects in each hash entry */ ++ ++ for (i = 0; i < YAFFS_NOBJECT_BUCKETS; i++) { ++ list_for_each(lh, &dev->obj_bucket[i].list) { ++ obj = list_entry(lh, struct yaffs_obj, hash_link); ++ yaffs_verify_obj(obj); ++ } ++ } ++} ++ ++void yaffs_verify_obj_in_dir(struct yaffs_obj *obj) ++{ ++ struct list_head *lh; ++ struct yaffs_obj *list_obj; ++ int count = 0; ++ ++ if (!obj) { ++ yaffs_trace(YAFFS_TRACE_ALWAYS, "No object to verify"); ++ BUG(); ++ return; ++ } ++ ++ if (yaffs_skip_verification(obj->my_dev)) ++ return; ++ ++ if (!obj->parent) { ++ yaffs_trace(YAFFS_TRACE_ALWAYS, "Object does not have parent"); ++ BUG(); ++ return; ++ } ++ ++ if (obj->parent->variant_type != YAFFS_OBJECT_TYPE_DIRECTORY) { ++ yaffs_trace(YAFFS_TRACE_ALWAYS, "Parent is not directory"); ++ BUG(); ++ } ++ ++ /* Iterate through the objects in each hash entry */ ++ ++ list_for_each(lh, &obj->parent->variant.dir_variant.children) { ++ list_obj = list_entry(lh, struct yaffs_obj, siblings); ++ yaffs_verify_obj(list_obj); ++ if (obj == list_obj) ++ count++; ++ } ++ ++ if (count != 1) { ++ yaffs_trace(YAFFS_TRACE_ALWAYS, ++ "Object in directory %d times", ++ count); ++ BUG(); ++ } ++} ++ ++void yaffs_verify_dir(struct yaffs_obj *directory) ++{ ++ struct list_head *lh; ++ struct yaffs_obj *list_obj; ++ ++ if (!directory) { ++ BUG(); ++ return; ++ } ++ ++ if (yaffs_skip_full_verification(directory->my_dev)) ++ return; ++ ++ if (directory->variant_type != YAFFS_OBJECT_TYPE_DIRECTORY) { ++ yaffs_trace(YAFFS_TRACE_ALWAYS, ++ "Directory has wrong type: %d", ++ directory->variant_type); ++ BUG(); ++ } ++ ++ /* Iterate through the objects in each hash entry */ ++ ++ list_for_each(lh, &directory->variant.dir_variant.children) { ++ list_obj = list_entry(lh, struct yaffs_obj, siblings); ++ if (list_obj->parent != directory) { ++ yaffs_trace(YAFFS_TRACE_ALWAYS, ++ "Object in directory list has wrong parent %p", ++ list_obj->parent); ++ BUG(); ++ } ++ yaffs_verify_obj_in_dir(list_obj); ++ } ++} ++ ++static int yaffs_free_verification_failures; ++ ++void yaffs_verify_free_chunks(struct yaffs_dev *dev) ++{ ++ int counted; ++ int difference; ++ ++ if (yaffs_skip_verification(dev)) ++ return; ++ ++ counted = yaffs_count_free_chunks(dev); ++ ++ difference = dev->n_free_chunks - counted; ++ ++ if (difference) { ++ yaffs_trace(YAFFS_TRACE_ALWAYS, ++ "Freechunks verification failure %d %d %d", ++ dev->n_free_chunks, counted, difference); ++ yaffs_free_verification_failures++; ++ } ++} ++ ++int yaffs_verify_file_sane(struct yaffs_obj *in) ++{ ++ (void) in; ++ return YAFFS_OK; ++} +diff -Nur linux-3.15-rc5.orig/fs/yaffs2/yaffs_verify.h linux-3.15-rc5/fs/yaffs2/yaffs_verify.h +--- linux-3.15-rc5.orig/fs/yaffs2/yaffs_verify.h 1970-01-01 01:00:00.000000000 +0100 ++++ linux-3.15-rc5/fs/yaffs2/yaffs_verify.h 2014-05-17 01:53:27.000000000 +0200 +@@ -0,0 +1,43 @@ ++/* ++ * YAFFS: Yet another Flash File System . A NAND-flash specific file system. ++ * ++ * Copyright (C) 2002-2011 Aleph One Ltd. ++ * for Toby Churchill Ltd and Brightstar Engineering ++ * ++ * Created by Charles Manning ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU Lesser General Public License version 2.1 as ++ * published by the Free Software Foundation. ++ * ++ * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL. ++ */ ++ ++#ifndef __YAFFS_VERIFY_H__ ++#define __YAFFS_VERIFY_H__ ++ ++#include "yaffs_guts.h" ++ ++void yaffs_verify_blk(struct yaffs_dev *dev, struct yaffs_block_info *bi, ++ int n); ++void yaffs_verify_collected_blk(struct yaffs_dev *dev, ++ struct yaffs_block_info *bi, int n); ++void yaffs_verify_blocks(struct yaffs_dev *dev); ++ ++void yaffs_verify_oh(struct yaffs_obj *obj, struct yaffs_obj_hdr *oh, ++ struct yaffs_ext_tags *tags, int parent_check); ++void yaffs_verify_file(struct yaffs_obj *obj); ++void yaffs_verify_link(struct yaffs_obj *obj); ++void yaffs_verify_symlink(struct yaffs_obj *obj); ++void yaffs_verify_special(struct yaffs_obj *obj); ++void yaffs_verify_obj(struct yaffs_obj *obj); ++void yaffs_verify_objects(struct yaffs_dev *dev); ++void yaffs_verify_obj_in_dir(struct yaffs_obj *obj); ++void yaffs_verify_dir(struct yaffs_obj *directory); ++void yaffs_verify_free_chunks(struct yaffs_dev *dev); ++ ++int yaffs_verify_file_sane(struct yaffs_obj *obj); ++ ++int yaffs_skip_verification(struct yaffs_dev *dev); ++ ++#endif +diff -Nur linux-3.15-rc5.orig/fs/yaffs2/yaffs_vfs.c linux-3.15-rc5/fs/yaffs2/yaffs_vfs.c +--- linux-3.15-rc5.orig/fs/yaffs2/yaffs_vfs.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-3.15-rc5/fs/yaffs2/yaffs_vfs.c 2014-05-17 02:52:54.000000000 +0200 +@@ -0,0 +1,3604 @@ ++/* ++ * YAFFS: Yet Another Flash File System. A NAND-flash specific file system. ++ * ++ * Copyright (C) 2002-2011 Aleph One Ltd. ++ * for Toby Churchill Ltd and Brightstar Engineering ++ * ++ * Created by Charles Manning ++ * Acknowledgements: ++ * Luc van OostenRyck for numerous patches. ++ * Nick Bane for numerous patches. ++ * Nick Bane for 2.5/2.6 integration. ++ * Andras Toth for mknod rdev issue. ++ * Michael Fischer for finding the problem with inode inconsistency. ++ * Some code bodily lifted from JFFS ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License version 2 as ++ * published by the Free Software Foundation. ++ */ ++ ++/* ++ * ++ * This is the file system front-end to YAFFS that hooks it up to ++ * the VFS. ++ * ++ * Special notes: ++ * >> 2.4: sb->u.generic_sbp points to the struct yaffs_dev associated with ++ * this superblock ++ * >> 2.6: sb->s_fs_info points to the struct yaffs_dev associated with this ++ * superblock ++ * >> inode->u.generic_ip points to the associated struct yaffs_obj. ++ */ ++ ++/* ++ * There are two variants of the VFS glue code. This variant should compile ++ * for any version of Linux. ++ */ ++#include ++ ++#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 10)) ++#define YAFFS_COMPILE_BACKGROUND ++#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 23)) ++#define YAFFS_COMPILE_FREEZER ++#endif ++#endif ++ ++#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 28)) ++#define YAFFS_COMPILE_EXPORTFS ++#endif ++ ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 35)) ++#define YAFFS_USE_SETATTR_COPY ++#define YAFFS_USE_TRUNCATE_SETSIZE ++#endif ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 35)) ++#define YAFFS_HAS_EVICT_INODE ++#endif ++ ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 13)) ++#define YAFFS_NEW_FOLLOW_LINK 1 ++#else ++#define YAFFS_NEW_FOLLOW_LINK 0 ++#endif ++ ++#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 6, 0)) ++#define YAFFS_HAS_WRITE_SUPER ++#endif ++ ++ ++#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 19)) ++#include ++#endif ++ ++#include ++#include ++#include ++#include ++#include ++#include ++#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 39)) ++#include ++#endif ++#include ++#include ++#include ++#include ++#include ++ ++#if (YAFFS_NEW_FOLLOW_LINK == 1) ++#include ++#endif ++ ++#ifdef YAFFS_COMPILE_EXPORTFS ++#include ++#endif ++ ++#ifdef YAFFS_COMPILE_BACKGROUND ++#include ++#include ++#endif ++#ifdef YAFFS_COMPILE_FREEZER ++#include ++#endif ++ ++#include ++ ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0)) ++ ++#include ++ ++#define UnlockPage(p) unlock_page(p) ++#define Page_Uptodate(page) test_bit(PG_uptodate, &(page)->flags) ++ ++/* FIXME: use sb->s_id instead ? */ ++#define yaffs_devname(sb, buf) bdevname(sb->s_bdev, buf) ++ ++#else ++ ++#include ++#define BDEVNAME_SIZE 0 ++#define yaffs_devname(sb, buf) kdevname(sb->s_dev) ++ ++#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 5, 0)) ++/* added NCB 26/5/2006 for 2.4.25-vrs2-tcl1 kernel */ ++#define __user ++#endif ++ ++#endif ++ ++#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 26)) ++#define YPROC_ROOT (&proc_root) ++#else ++#define YPROC_ROOT NULL ++#endif ++ ++#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 26)) ++#define Y_INIT_TIMER(a) init_timer(a) ++#else ++#define Y_INIT_TIMER(a) init_timer_on_stack(a) ++#endif ++ ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 27)) ++#define YAFFS_USE_WRITE_BEGIN_END 1 ++#else ++#define YAFFS_USE_WRITE_BEGIN_END 0 ++#endif ++ ++#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 6, 0)) ++#define YAFFS_SUPER_HAS_DIRTY ++#endif ++ ++ ++#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 2, 0)) ++#define set_nlink(inode, count) do { (inode)->i_nlink = (count); } while(0) ++#endif ++ ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 28)) ++static uint32_t YCALCBLOCKS(uint64_t partition_size, uint32_t block_size) ++{ ++ uint64_t result = partition_size; ++ do_div(result, block_size); ++ return (uint32_t) result; ++} ++#else ++#define YCALCBLOCKS(s, b) ((s)/(b)) ++#endif ++ ++#include ++#include ++ ++#include "yportenv.h" ++#include "yaffs_trace.h" ++#include "yaffs_guts.h" ++#include "yaffs_attribs.h" ++ ++#include "yaffs_linux.h" ++ ++#include "yaffs_mtdif.h" ++#include "yaffs_packedtags2.h" ++#include "yaffs_getblockinfo.h" ++ ++unsigned int yaffs_trace_mask = ++ YAFFS_TRACE_BAD_BLOCKS | ++ YAFFS_TRACE_ALWAYS | ++ 0; ++ ++unsigned int yaffs_wr_attempts = YAFFS_WR_ATTEMPTS; ++unsigned int yaffs_auto_checkpoint = 1; ++unsigned int yaffs_gc_control = 1; ++unsigned int yaffs_bg_enable = 1; ++unsigned int yaffs_auto_select = 1; ++/* Module Parameters */ ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0)) ++module_param(yaffs_trace_mask, uint, 0644); ++module_param(yaffs_wr_attempts, uint, 0644); ++module_param(yaffs_auto_checkpoint, uint, 0644); ++module_param(yaffs_gc_control, uint, 0644); ++module_param(yaffs_bg_enable, uint, 0644); ++#else ++MODULE_PARM(yaffs_trace_mask, "i"); ++MODULE_PARM(yaffs_wr_attempts, "i"); ++MODULE_PARM(yaffs_auto_checkpoint, "i"); ++MODULE_PARM(yaffs_gc_control, "i"); ++#endif ++ ++#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 25)) ++/* use iget and read_inode */ ++#define Y_IGET(sb, inum) iget((sb), (inum)) ++ ++#else ++/* Call local equivalent */ ++#define YAFFS_USE_OWN_IGET ++#define Y_IGET(sb, inum) yaffs_iget((sb), (inum)) ++ ++#endif ++ ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 18)) ++#define yaffs_inode_to_obj_lv(iptr) ((iptr)->i_private) ++#else ++#define yaffs_inode_to_obj_lv(iptr) ((iptr)->u.generic_ip) ++#endif ++ ++#define yaffs_inode_to_obj(iptr) \ ++ ((struct yaffs_obj *)(yaffs_inode_to_obj_lv(iptr))) ++#define yaffs_dentry_to_obj(dptr) yaffs_inode_to_obj((dptr)->d_inode) ++ ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0)) ++#define yaffs_super_to_dev(sb) ((struct yaffs_dev *)sb->s_fs_info) ++#else ++#define yaffs_super_to_dev(sb) ((struct yaffs_dev *)sb->u.generic_sbp) ++#endif ++ ++#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 5, 0)) ++#define Y_CLEAR_INODE(i) clear_inode(i) ++#else ++#define Y_CLEAR_INODE(i) end_writeback(i) ++#endif ++ ++ ++#define update_dir_time(dir) do {\ ++ (dir)->i_ctime = (dir)->i_mtime = CURRENT_TIME; \ ++ } while (0) ++ ++static void yaffs_fill_inode_from_obj(struct inode *inode, ++ struct yaffs_obj *obj); ++ ++ ++static void yaffs_gross_lock(struct yaffs_dev *dev) ++{ ++ yaffs_trace(YAFFS_TRACE_LOCK, "yaffs locking %p", current); ++ mutex_lock(&(yaffs_dev_to_lc(dev)->gross_lock)); ++ yaffs_trace(YAFFS_TRACE_LOCK, "yaffs locked %p", current); ++} ++ ++static void yaffs_gross_unlock(struct yaffs_dev *dev) ++{ ++ yaffs_trace(YAFFS_TRACE_LOCK, "yaffs unlocking %p", current); ++ mutex_unlock(&(yaffs_dev_to_lc(dev)->gross_lock)); ++} ++ ++ ++static int yaffs_readpage_nolock(struct file *f, struct page *pg) ++{ ++ /* Lifted from jffs2 */ ++ ++ struct yaffs_obj *obj; ++ unsigned char *pg_buf; ++ int ret; ++ loff_t pos = ((loff_t) pg->index) << PAGE_CACHE_SHIFT; ++ struct yaffs_dev *dev; ++ ++ yaffs_trace(YAFFS_TRACE_OS, ++ "yaffs_readpage_nolock at %lld, size %08x", ++ (long long)pos, ++ (unsigned)PAGE_CACHE_SIZE); ++ ++ obj = yaffs_dentry_to_obj(f->f_dentry); ++ ++ dev = obj->my_dev; ++ ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0)) ++ BUG_ON(!PageLocked(pg)); ++#else ++ if (!PageLocked(pg)) ++ PAGE_BUG(pg); ++#endif ++ ++ pg_buf = kmap(pg); ++ /* FIXME: Can kmap fail? */ ++ ++ yaffs_gross_lock(dev); ++ ++ ret = yaffs_file_rd(obj, pg_buf, pos, PAGE_CACHE_SIZE); ++ ++ yaffs_gross_unlock(dev); ++ ++ if (ret >= 0) ++ ret = 0; ++ ++ if (ret) { ++ ClearPageUptodate(pg); ++ SetPageError(pg); ++ } else { ++ SetPageUptodate(pg); ++ ClearPageError(pg); ++ } ++ ++ flush_dcache_page(pg); ++ kunmap(pg); ++ ++ yaffs_trace(YAFFS_TRACE_OS, "yaffs_readpage_nolock done"); ++ return ret; ++} ++ ++static int yaffs_readpage_unlock(struct file *f, struct page *pg) ++{ ++ int ret = yaffs_readpage_nolock(f, pg); ++ UnlockPage(pg); ++ return ret; ++} ++ ++static int yaffs_readpage(struct file *f, struct page *pg) ++{ ++ int ret; ++ ++ yaffs_trace(YAFFS_TRACE_OS, "yaffs_readpage"); ++ ret = yaffs_readpage_unlock(f, pg); ++ yaffs_trace(YAFFS_TRACE_OS, "yaffs_readpage done"); ++ return ret; ++} ++ ++#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 5, 0)) ++#define YCRED_FSUID() from_kuid(&init_user_ns, current_fsuid()) ++#define YCRED_FSGID() from_kgid(&init_user_ns, current_fsgid()) ++#else ++#define YCRED_FSUID() YCRED(current)->fsuid ++#define YCRED_FSGID() YCRED(current)->fsgid ++ ++static inline uid_t i_uid_read(const struct inode *inode) ++{ ++ return inode->i_uid; ++} ++ ++static inline gid_t i_gid_read(const struct inode *inode) ++{ ++ return inode->i_gid; ++} ++ ++static inline void i_uid_write(struct inode *inode, uid_t uid) ++{ ++ inode->i_uid = uid; ++} ++ ++static inline void i_gid_write(struct inode *inode, gid_t gid) ++{ ++ inode->i_gid = gid; ++} ++#endif ++ ++static void yaffs_set_super_dirty_val(struct yaffs_dev *dev, int val) ++{ ++ struct yaffs_linux_context *lc = yaffs_dev_to_lc(dev); ++ ++ if (lc) ++ lc->dirty = val; ++ ++# ifdef YAFFS_SUPER_HAS_DIRTY ++ { ++ struct super_block *sb = lc->super; ++ ++ if (sb) ++ sb->s_dirt = val; ++ } ++#endif ++ ++} ++ ++static void yaffs_set_super_dirty(struct yaffs_dev *dev) ++{ ++ yaffs_set_super_dirty_val(dev, 1); ++} ++ ++static void yaffs_clear_super_dirty(struct yaffs_dev *dev) ++{ ++ yaffs_set_super_dirty_val(dev, 0); ++} ++ ++static int yaffs_check_super_dirty(struct yaffs_dev *dev) ++{ ++ struct yaffs_linux_context *lc = yaffs_dev_to_lc(dev); ++ ++ if (lc && lc->dirty) ++ return 1; ++ ++# ifdef YAFFS_SUPER_HAS_DIRTY ++ { ++ struct super_block *sb = lc->super; ++ ++ if (sb && sb->s_dirt) ++ return 1; ++ } ++#endif ++ return 0; ++ ++} ++ ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0)) ++static int yaffs_writepage(struct page *page, struct writeback_control *wbc) ++#else ++static int yaffs_writepage(struct page *page) ++#endif ++{ ++ struct yaffs_dev *dev; ++ struct address_space *mapping = page->mapping; ++ struct inode *inode; ++ unsigned long end_index; ++ char *buffer; ++ struct yaffs_obj *obj; ++ int n_written = 0; ++ unsigned n_bytes; ++ loff_t i_size; ++ ++ if (!mapping) ++ BUG(); ++ inode = mapping->host; ++ if (!inode) ++ BUG(); ++ i_size = i_size_read(inode); ++ ++ end_index = i_size >> PAGE_CACHE_SHIFT; ++ ++ if (page->index < end_index) ++ n_bytes = PAGE_CACHE_SIZE; ++ else { ++ n_bytes = i_size & (PAGE_CACHE_SIZE - 1); ++ ++ if (page->index > end_index || !n_bytes) { ++ yaffs_trace(YAFFS_TRACE_OS, ++ "yaffs_writepage at %lld, inode size = %lld!!", ++ ((loff_t)page->index) << PAGE_CACHE_SHIFT, ++ inode->i_size); ++ yaffs_trace(YAFFS_TRACE_OS, ++ " -> don't care!!"); ++ ++ zero_user_segment(page, 0, PAGE_CACHE_SIZE); ++ set_page_writeback(page); ++ unlock_page(page); ++ end_page_writeback(page); ++ return 0; ++ } ++ } ++ ++ if (n_bytes != PAGE_CACHE_SIZE) ++ zero_user_segment(page, n_bytes, PAGE_CACHE_SIZE); ++ ++ get_page(page); ++ ++ buffer = kmap(page); ++ ++ obj = yaffs_inode_to_obj(inode); ++ dev = obj->my_dev; ++ yaffs_gross_lock(dev); ++ ++ yaffs_trace(YAFFS_TRACE_OS, ++ "yaffs_writepage at %lld, size %08x", ++ ((loff_t)page->index) << PAGE_CACHE_SHIFT, n_bytes); ++ yaffs_trace(YAFFS_TRACE_OS, ++ "writepag0: obj = %lld, ino = %lld", ++ obj->variant.file_variant.file_size, inode->i_size); ++ ++ n_written = yaffs_wr_file(obj, buffer, ++ ((loff_t)page->index) << PAGE_CACHE_SHIFT, n_bytes, 0); ++ ++ yaffs_set_super_dirty(dev); ++ ++ yaffs_trace(YAFFS_TRACE_OS, ++ "writepag1: obj = %lld, ino = %lld", ++ obj->variant.file_variant.file_size, inode->i_size); ++ ++ yaffs_gross_unlock(dev); ++ ++ kunmap(page); ++ set_page_writeback(page); ++ unlock_page(page); ++ end_page_writeback(page); ++ put_page(page); ++ ++ return (n_written == n_bytes) ? 0 : -ENOSPC; ++} ++ ++/* Space holding and freeing is done to ensure we have space available for write_begin/end */ ++/* For now we just assume few parallel writes and check against a small number. */ ++/* Todo: need to do this with a counter to handle parallel reads better */ ++ ++static ssize_t yaffs_hold_space(struct file *f) ++{ ++ struct yaffs_obj *obj; ++ struct yaffs_dev *dev; ++ ++ int n_free_chunks; ++ ++ obj = yaffs_dentry_to_obj(f->f_dentry); ++ ++ dev = obj->my_dev; ++ ++ yaffs_gross_lock(dev); ++ ++ n_free_chunks = yaffs_get_n_free_chunks(dev); ++ ++ yaffs_gross_unlock(dev); ++ ++ return (n_free_chunks > 20) ? 1 : 0; ++} ++ ++static void yaffs_release_space(struct file *f) ++{ ++ struct yaffs_obj *obj; ++ struct yaffs_dev *dev; ++ ++ obj = yaffs_dentry_to_obj(f->f_dentry); ++ ++ dev = obj->my_dev; ++ ++ yaffs_gross_lock(dev); ++ ++ yaffs_gross_unlock(dev); ++} ++ ++#if (YAFFS_USE_WRITE_BEGIN_END > 0) ++static int yaffs_write_begin(struct file *filp, struct address_space *mapping, ++ loff_t pos, unsigned len, unsigned flags, ++ struct page **pagep, void **fsdata) ++{ ++ struct page *pg = NULL; ++ pgoff_t index = pos >> PAGE_CACHE_SHIFT; ++ ++ int ret = 0; ++ int space_held = 0; ++ ++ /* Get a page */ ++#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 28) ++ pg = grab_cache_page_write_begin(mapping, index, flags); ++#else ++ pg = __grab_cache_page(mapping, index); ++#endif ++ ++ *pagep = pg; ++ if (!pg) { ++ ret = -ENOMEM; ++ goto out; ++ } ++ yaffs_trace(YAFFS_TRACE_OS, ++ "start yaffs_write_begin index %d(%x) uptodate %d", ++ (int)index, (int)index, Page_Uptodate(pg) ? 1 : 0); ++ ++ /* Get fs space */ ++ space_held = yaffs_hold_space(filp); ++ ++ if (!space_held) { ++ ret = -ENOSPC; ++ goto out; ++ } ++ ++ /* Update page if required */ ++ ++ if (!Page_Uptodate(pg)) ++ ret = yaffs_readpage_nolock(filp, pg); ++ ++ if (ret) ++ goto out; ++ ++ /* Happy path return */ ++ yaffs_trace(YAFFS_TRACE_OS, "end yaffs_write_begin - ok"); ++ ++ return 0; ++ ++out: ++ yaffs_trace(YAFFS_TRACE_OS, ++ "end yaffs_write_begin fail returning %d", ret); ++ if (space_held) ++ yaffs_release_space(filp); ++ if (pg) { ++ unlock_page(pg); ++ page_cache_release(pg); ++ } ++ return ret; ++} ++ ++#else ++ ++static int yaffs_prepare_write(struct file *f, struct page *pg, ++ unsigned offset, unsigned to) ++{ ++ yaffs_trace(YAFFS_TRACE_OS, "yaffs_prepair_write"); ++ ++ if (!Page_Uptodate(pg)) ++ return yaffs_readpage_nolock(f, pg); ++ return 0; ++} ++#endif ++ ++ ++static ssize_t yaffs_file_write(struct file *f, const char *buf, size_t n, ++ loff_t * pos) ++{ ++ struct yaffs_obj *obj; ++ int n_written; ++ loff_t ipos; ++ struct inode *inode; ++ struct yaffs_dev *dev; ++ ++ obj = yaffs_dentry_to_obj(f->f_dentry); ++ ++ if (!obj) { ++ yaffs_trace(YAFFS_TRACE_OS, ++ "yaffs_file_write: hey obj is null!"); ++ return -EINVAL; ++ } ++ ++ dev = obj->my_dev; ++ ++ yaffs_gross_lock(dev); ++ ++ inode = f->f_dentry->d_inode; ++ ++ if (!S_ISBLK(inode->i_mode) && f->f_flags & O_APPEND) ++ ipos = inode->i_size; ++ else ++ ipos = *pos; ++ ++ yaffs_trace(YAFFS_TRACE_OS, ++ "yaffs_file_write about to write writing %u(%x) bytes to object %d at %lld", ++ (unsigned)n, (unsigned)n, obj->obj_id, ipos); ++ ++ n_written = yaffs_wr_file(obj, buf, ipos, n, 0); ++ ++ yaffs_set_super_dirty(dev); ++ ++ yaffs_trace(YAFFS_TRACE_OS, ++ "yaffs_file_write: %d(%x) bytes written", ++ (unsigned)n, (unsigned)n); ++ ++ if (n_written > 0) { ++ ipos += n_written; ++ *pos = ipos; ++ if (ipos > inode->i_size) { ++ inode->i_size = ipos; ++ inode->i_blocks = (ipos + 511) >> 9; ++ ++ yaffs_trace(YAFFS_TRACE_OS, ++ "yaffs_file_write size updated to %lld bytes, %d blocks", ++ ipos, (int)(inode->i_blocks)); ++ } ++ ++ } ++ yaffs_gross_unlock(dev); ++ return (n_written == 0) && (n > 0) ? -ENOSPC : n_written; ++} ++ ++ ++#if (YAFFS_USE_WRITE_BEGIN_END > 0) ++static int yaffs_write_end(struct file *filp, struct address_space *mapping, ++ loff_t pos, unsigned len, unsigned copied, ++ struct page *pg, void *fsdadata) ++{ ++ int ret = 0; ++ void *addr, *kva; ++ uint32_t offset_into_page = pos & (PAGE_CACHE_SIZE - 1); ++ ++ kva = kmap(pg); ++ addr = kva + offset_into_page; ++ ++ yaffs_trace(YAFFS_TRACE_OS, ++ "yaffs_write_end addr %p pos %lld n_bytes %d", ++ addr, pos, copied); ++ ++ ret = yaffs_file_write(filp, addr, copied, &pos); ++ ++ if (ret != copied) { ++ yaffs_trace(YAFFS_TRACE_OS, ++ "yaffs_write_end not same size ret %d copied %d", ++ ret, copied); ++ SetPageError(pg); ++ } ++ ++ kunmap(pg); ++ ++ yaffs_release_space(filp); ++ unlock_page(pg); ++ page_cache_release(pg); ++ return ret; ++} ++#else ++ ++static int yaffs_commit_write(struct file *f, struct page *pg, unsigned offset, ++ unsigned to) ++{ ++ void *addr, *kva; ++ ++ loff_t pos = (((loff_t) pg->index) << PAGE_CACHE_SHIFT) + offset; ++ int n_bytes = to - offset; ++ int n_written; ++ ++ kva = kmap(pg); ++ addr = kva + offset; ++ ++ yaffs_trace(YAFFS_TRACE_OS, ++ "yaffs_commit_write addr %p pos %lld n_bytes %d", ++ addr, pos, n_bytes); ++ ++ n_written = yaffs_file_write(f, addr, n_bytes, &pos); ++ ++ if (n_written != n_bytes) { ++ yaffs_trace(YAFFS_TRACE_OS, ++ "yaffs_commit_write not same size n_written %d n_bytes %d", ++ n_written, n_bytes); ++ SetPageError(pg); ++ } ++ kunmap(pg); ++ ++ yaffs_trace(YAFFS_TRACE_OS, ++ "yaffs_commit_write returning %d", ++ n_written == n_bytes ? 0 : n_written); ++ ++ return n_written == n_bytes ? 0 : n_written; ++} ++#endif ++ ++static struct address_space_operations yaffs_file_address_operations = { ++ .readpage = yaffs_readpage, ++ .writepage = yaffs_writepage, ++#if (YAFFS_USE_WRITE_BEGIN_END > 0) ++ .write_begin = yaffs_write_begin, ++ .write_end = yaffs_write_end, ++#else ++ .prepare_write = yaffs_prepare_write, ++ .commit_write = yaffs_commit_write, ++#endif ++}; ++ ++ ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17)) ++static int yaffs_file_flush(struct file *file, fl_owner_t id) ++#else ++static int yaffs_file_flush(struct file *file) ++#endif ++{ ++ struct yaffs_obj *obj = yaffs_dentry_to_obj(file->f_dentry); ++ ++ struct yaffs_dev *dev = obj->my_dev; ++ ++ yaffs_trace(YAFFS_TRACE_OS, ++ "yaffs_file_flush object %d (%s)", ++ obj->obj_id, ++ obj->dirty ? "dirty" : "clean"); ++ ++ yaffs_gross_lock(dev); ++ ++ yaffs_flush_file(obj, 1, 0); ++ ++ yaffs_gross_unlock(dev); ++ ++ return 0; ++} ++ ++ ++#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 39)) ++static int yaffs_sync_object(struct file *file, loff_t start, loff_t end, int datasync) ++#elif (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 34)) ++static int yaffs_sync_object(struct file *file, int datasync) ++#else ++static int yaffs_sync_object(struct file *file, struct dentry *dentry, ++ int datasync) ++#endif ++{ ++ struct yaffs_obj *obj; ++ struct yaffs_dev *dev; ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 34)) ++ struct dentry *dentry = file->f_path.dentry; ++#endif ++ ++ obj = yaffs_dentry_to_obj(dentry); ++ ++ dev = obj->my_dev; ++ ++ yaffs_trace(YAFFS_TRACE_OS | YAFFS_TRACE_SYNC, ++ "yaffs_sync_object"); ++ yaffs_gross_lock(dev); ++ yaffs_flush_file(obj, 1, datasync); ++ yaffs_gross_unlock(dev); ++ return 0; ++} ++ ++ ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 22)) ++static const struct file_operations yaffs_file_operations = { ++ .read = do_sync_read, ++ .write = do_sync_write, ++ .aio_read = generic_file_aio_read, ++ .aio_write = generic_file_aio_write, ++ .mmap = generic_file_mmap, ++ .flush = yaffs_file_flush, ++ .fsync = yaffs_sync_object, ++ .splice_read = generic_file_splice_read, ++ .splice_write = generic_file_splice_write, ++ .llseek = generic_file_llseek, ++}; ++ ++#elif (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 18)) ++ ++static const struct file_operations yaffs_file_operations = { ++ .read = do_sync_read, ++ .write = do_sync_write, ++ .aio_read = generic_file_aio_read, ++ .aio_write = generic_file_aio_write, ++ .mmap = generic_file_mmap, ++ .flush = yaffs_file_flush, ++ .fsync = yaffs_sync_object, ++ .sendfile = generic_file_sendfile, ++}; ++ ++#else ++ ++static const struct file_operations yaffs_file_operations = { ++ .read = generic_file_read, ++ .write = generic_file_write, ++ .mmap = generic_file_mmap, ++ .flush = yaffs_file_flush, ++ .fsync = yaffs_sync_object, ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0)) ++ .sendfile = generic_file_sendfile, ++#endif ++}; ++#endif ++ ++ ++ ++ ++#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 25)) ++static void zero_user_segment(struct page *page, unsigned start, unsigned end) ++{ ++ void *kaddr = kmap_atomic(page, KM_USER0); ++ memset(kaddr + start, 0, end - start); ++ kunmap_atomic(kaddr, KM_USER0); ++ flush_dcache_page(page); ++} ++#endif ++ ++ ++static int yaffs_vfs_setsize(struct inode *inode, loff_t newsize) ++{ ++#ifdef YAFFS_USE_TRUNCATE_SETSIZE ++ truncate_setsize(inode, newsize); ++ return 0; ++#else ++ truncate_inode_pages(&inode->i_data, newsize); ++ return 0; ++#endif ++ ++} ++ ++ ++static int yaffs_vfs_setattr(struct inode *inode, struct iattr *attr) ++{ ++#ifdef YAFFS_USE_SETATTR_COPY ++ setattr_copy(inode, attr); ++ return 0; ++#else ++ return inode_setattr(inode, attr); ++#endif ++ ++} ++ ++static int yaffs_setattr(struct dentry *dentry, struct iattr *attr) ++{ ++ struct inode *inode = dentry->d_inode; ++ int error = 0; ++ struct yaffs_dev *dev; ++ ++ yaffs_trace(YAFFS_TRACE_OS, ++ "yaffs_setattr of object %d", ++ yaffs_inode_to_obj(inode)->obj_id); ++#if 0 ++ /* Fail if a requested resize >= 2GB */ ++ if (attr->ia_valid & ATTR_SIZE && (attr->ia_size >> 31)) ++ error = -EINVAL; ++#endif ++ ++ if (error == 0) ++ error = inode_change_ok(inode, attr); ++ if (error == 0) { ++ int result; ++ if (!error) { ++ error = yaffs_vfs_setattr(inode, attr); ++ yaffs_trace(YAFFS_TRACE_OS, "inode_setattr called"); ++ if (attr->ia_valid & ATTR_SIZE) { ++ yaffs_vfs_setsize(inode, attr->ia_size); ++ inode->i_blocks = (inode->i_size + 511) >> 9; ++ } ++ } ++ dev = yaffs_inode_to_obj(inode)->my_dev; ++ if (attr->ia_valid & ATTR_SIZE) { ++ yaffs_trace(YAFFS_TRACE_OS, ++ "resize to %d(%x)", ++ (int)(attr->ia_size), ++ (int)(attr->ia_size)); ++ } ++ yaffs_gross_lock(dev); ++ result = yaffs_set_attribs(yaffs_inode_to_obj(inode), attr); ++ if (result == YAFFS_OK) { ++ error = 0; ++ } else { ++ error = -EPERM; ++ } ++ yaffs_gross_unlock(dev); ++ ++ } ++ ++ yaffs_trace(YAFFS_TRACE_OS, "yaffs_setattr done returning %d", error); ++ ++ return error; ++} ++ ++static int yaffs_setxattr(struct dentry *dentry, const char *name, ++ const void *value, size_t size, int flags) ++{ ++ struct inode *inode = dentry->d_inode; ++ int error = 0; ++ struct yaffs_dev *dev; ++ struct yaffs_obj *obj = yaffs_inode_to_obj(inode); ++ ++ yaffs_trace(YAFFS_TRACE_OS, "yaffs_setxattr of object %d", obj->obj_id); ++ ++ if (error == 0) { ++ int result; ++ dev = obj->my_dev; ++ yaffs_gross_lock(dev); ++ result = yaffs_set_xattrib(obj, name, value, size, flags); ++ if (result == YAFFS_OK) ++ error = 0; ++ else if (result < 0) ++ error = result; ++ yaffs_gross_unlock(dev); ++ ++ } ++ yaffs_trace(YAFFS_TRACE_OS, "yaffs_setxattr done returning %d", error); ++ ++ return error; ++} ++ ++static ssize_t yaffs_getxattr(struct dentry * dentry, const char *name, ++ void *buff, size_t size) ++{ ++ struct inode *inode = dentry->d_inode; ++ int error = 0; ++ struct yaffs_dev *dev; ++ struct yaffs_obj *obj = yaffs_inode_to_obj(inode); ++ ++ yaffs_trace(YAFFS_TRACE_OS, ++ "yaffs_getxattr \"%s\" from object %d", ++ name, obj->obj_id); ++ ++ if (error == 0) { ++ dev = obj->my_dev; ++ yaffs_gross_lock(dev); ++ error = yaffs_get_xattrib(obj, name, buff, size); ++ yaffs_gross_unlock(dev); ++ ++ } ++ yaffs_trace(YAFFS_TRACE_OS, "yaffs_getxattr done returning %d", error); ++ ++ return error; ++} ++ ++static int yaffs_removexattr(struct dentry *dentry, const char *name) ++{ ++ struct inode *inode = dentry->d_inode; ++ int error = 0; ++ struct yaffs_dev *dev; ++ struct yaffs_obj *obj = yaffs_inode_to_obj(inode); ++ ++ yaffs_trace(YAFFS_TRACE_OS, ++ "yaffs_removexattr of object %d", obj->obj_id); ++ ++ if (error == 0) { ++ int result; ++ dev = obj->my_dev; ++ yaffs_gross_lock(dev); ++ result = yaffs_remove_xattrib(obj, name); ++ if (result == YAFFS_OK) ++ error = 0; ++ else if (result < 0) ++ error = result; ++ yaffs_gross_unlock(dev); ++ ++ } ++ yaffs_trace(YAFFS_TRACE_OS, ++ "yaffs_removexattr done returning %d", error); ++ ++ return error; ++} ++ ++static ssize_t yaffs_listxattr(struct dentry * dentry, char *buff, size_t size) ++{ ++ struct inode *inode = dentry->d_inode; ++ int error = 0; ++ struct yaffs_dev *dev; ++ struct yaffs_obj *obj = yaffs_inode_to_obj(inode); ++ ++ yaffs_trace(YAFFS_TRACE_OS, ++ "yaffs_listxattr of object %d", obj->obj_id); ++ ++ if (error == 0) { ++ dev = obj->my_dev; ++ yaffs_gross_lock(dev); ++ error = yaffs_list_xattrib(obj, buff, size); ++ yaffs_gross_unlock(dev); ++ ++ } ++ yaffs_trace(YAFFS_TRACE_OS, ++ "yaffs_listxattr done returning %d", error); ++ ++ return error; ++} ++ ++ ++static const struct inode_operations yaffs_file_inode_operations = { ++ .setattr = yaffs_setattr, ++ .setxattr = yaffs_setxattr, ++ .getxattr = yaffs_getxattr, ++ .listxattr = yaffs_listxattr, ++ .removexattr = yaffs_removexattr, ++}; ++ ++ ++static int yaffs_readlink(struct dentry *dentry, char __user * buffer, ++ int buflen) ++{ ++ unsigned char *alias; ++ int ret; ++ ++ struct yaffs_dev *dev = yaffs_dentry_to_obj(dentry)->my_dev; ++ ++ yaffs_gross_lock(dev); ++ ++ alias = yaffs_get_symlink_alias(yaffs_dentry_to_obj(dentry)); ++ ++ yaffs_gross_unlock(dev); ++ ++ if (!alias) ++ return -ENOMEM; ++ ++#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 15, 0)) ++ ret = readlink_copy(buffer, buflen, alias); ++#else ++ ret = vfs_readlink(dentry, buffer, buflen, alias); ++#endif ++ kfree(alias); ++ return ret; ++} ++ ++#if (YAFFS_NEW_FOLLOW_LINK == 1) ++static void *yaffs_follow_link(struct dentry *dentry, struct nameidata *nd) ++{ ++ void *ret; ++#else ++static int yaffs_follow_link(struct dentry *dentry, struct nameidata *nd) ++{ ++ int ret ++#endif ++ unsigned char *alias; ++ int ret_int = 0; ++ struct yaffs_dev *dev = yaffs_dentry_to_obj(dentry)->my_dev; ++ ++ yaffs_gross_lock(dev); ++ ++ alias = yaffs_get_symlink_alias(yaffs_dentry_to_obj(dentry)); ++ yaffs_gross_unlock(dev); ++ ++ if (!alias) { ++ ret_int = -ENOMEM; ++ goto out; ++ } ++#if (YAFFS_NEW_FOLLOW_LINK == 1) ++ nd_set_link(nd, alias); ++ ret = alias; ++out: ++ if (ret_int) ++ ret = ERR_PTR(ret_int); ++ return ret; ++#else ++ ret = vfs_follow_link(nd, alias); ++ kfree(alias); ++out: ++ if (ret_int) ++ ret = ret_int; ++ return ret; ++#endif ++} ++ ++ ++#ifdef YAFFS_HAS_PUT_INODE ++ ++/* For now put inode is just for debugging ++ * Put inode is called when the inode **structure** is put. ++ */ ++static void yaffs_put_inode(struct inode *inode) ++{ ++ yaffs_trace(YAFFS_TRACE_OS, ++ "yaffs_put_inode: ino %d, count %d"), ++ (int)inode->i_ino, atomic_read(&inode->i_count); ++ ++} ++#endif ++ ++#if (YAFFS_NEW_FOLLOW_LINK == 1) ++void yaffs_put_link(struct dentry *dentry, struct nameidata *nd, void *alias) ++{ ++ kfree(alias); ++} ++#endif ++ ++static const struct inode_operations yaffs_symlink_inode_operations = { ++ .readlink = yaffs_readlink, ++ .follow_link = yaffs_follow_link, ++#if (YAFFS_NEW_FOLLOW_LINK == 1) ++ .put_link = yaffs_put_link, ++#endif ++ .setattr = yaffs_setattr, ++ .setxattr = yaffs_setxattr, ++ .getxattr = yaffs_getxattr, ++ .listxattr = yaffs_listxattr, ++ .removexattr = yaffs_removexattr, ++}; ++ ++#ifdef YAFFS_USE_OWN_IGET ++ ++static struct inode *yaffs_iget(struct super_block *sb, unsigned long ino) ++{ ++ struct inode *inode; ++ struct yaffs_obj *obj; ++ struct yaffs_dev *dev = yaffs_super_to_dev(sb); ++ ++ yaffs_trace(YAFFS_TRACE_OS, "yaffs_iget for %lu", ino); ++ ++ inode = iget_locked(sb, ino); ++ if (!inode) ++ return ERR_PTR(-ENOMEM); ++ if (!(inode->i_state & I_NEW)) ++ return inode; ++ ++ /* NB This is called as a side effect of other functions, but ++ * we had to release the lock to prevent deadlocks, so ++ * need to lock again. ++ */ ++ ++ yaffs_gross_lock(dev); ++ ++ obj = yaffs_find_by_number(dev, inode->i_ino); ++ ++ yaffs_fill_inode_from_obj(inode, obj); ++ ++ yaffs_gross_unlock(dev); ++ ++ unlock_new_inode(inode); ++ return inode; ++} ++ ++#else ++ ++static void yaffs_read_inode(struct inode *inode) ++{ ++ /* NB This is called as a side effect of other functions, but ++ * we had to release the lock to prevent deadlocks, so ++ * need to lock again. ++ */ ++ ++ struct yaffs_obj *obj; ++ struct yaffs_dev *dev = yaffs_super_to_dev(inode->i_sb); ++ ++ yaffs_trace(YAFFS_TRACE_OS, ++ "yaffs_read_inode for %d", (int)inode->i_ino); ++ ++ if (current != yaffs_dev_to_lc(dev)->readdir_process) ++ yaffs_gross_lock(dev); ++ ++ obj = yaffs_find_by_number(dev, inode->i_ino); ++ ++ yaffs_fill_inode_from_obj(inode, obj); ++ ++ if (current != yaffs_dev_to_lc(dev)->readdir_process) ++ yaffs_gross_unlock(dev); ++} ++ ++#endif ++ ++ ++ ++struct inode *yaffs_get_inode(struct super_block *sb, int mode, int dev, ++ struct yaffs_obj *obj) ++{ ++ struct inode *inode; ++ ++ if (!sb) { ++ yaffs_trace(YAFFS_TRACE_OS, ++ "yaffs_get_inode for NULL super_block!!"); ++ return NULL; ++ ++ } ++ ++ if (!obj) { ++ yaffs_trace(YAFFS_TRACE_OS, ++ "yaffs_get_inode for NULL object!!"); ++ return NULL; ++ ++ } ++ ++ yaffs_trace(YAFFS_TRACE_OS, ++ "yaffs_get_inode for object %d", obj->obj_id); ++ ++ inode = Y_IGET(sb, obj->obj_id); ++ if (IS_ERR(inode)) ++ return NULL; ++ ++ /* NB Side effect: iget calls back to yaffs_read_inode(). */ ++ /* iget also increments the inode's i_count */ ++ /* NB You can't be holding gross_lock or deadlock will happen! */ ++ ++ return inode; ++} ++ ++ ++ ++#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 29) ++#define YCRED(x) x ++#else ++#define YCRED(x) (x->cred) ++#endif ++ ++#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 4, 0)) ++static int yaffs_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, ++ dev_t rdev) ++#elif (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0)) ++static int yaffs_mknod(struct inode *dir, struct dentry *dentry, int mode, ++ dev_t rdev) ++#else ++static int yaffs_mknod(struct inode *dir, struct dentry *dentry, int mode, ++ int rdev) ++#endif ++{ ++ struct inode *inode; ++ ++ struct yaffs_obj *obj = NULL; ++ struct yaffs_dev *dev; ++ ++ struct yaffs_obj *parent = yaffs_inode_to_obj(dir); ++ ++ int error = -ENOSPC; ++ uid_t uid = YCRED_FSUID(); ++ gid_t gid = ++ (dir->i_mode & S_ISGID) ? i_gid_read(dir) : YCRED_FSGID(); ++ ++ if ((dir->i_mode & S_ISGID) && S_ISDIR(mode)) ++ mode |= S_ISGID; ++ ++ if (parent) { ++ yaffs_trace(YAFFS_TRACE_OS, ++ "yaffs_mknod: parent object %d type %d", ++ parent->obj_id, parent->variant_type); ++ } else { ++ yaffs_trace(YAFFS_TRACE_OS, ++ "yaffs_mknod: could not get parent object"); ++ return -EPERM; ++ } ++ ++ yaffs_trace(YAFFS_TRACE_OS, ++ "yaffs_mknod: making oject for %s, mode %x dev %x", ++ dentry->d_name.name, mode, rdev); ++ ++ dev = parent->my_dev; ++ ++ yaffs_gross_lock(dev); ++ ++ switch (mode & S_IFMT) { ++ default: ++ /* Special (socket, fifo, device...) */ ++ yaffs_trace(YAFFS_TRACE_OS, "yaffs_mknod: making special"); ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0)) ++ obj = ++ yaffs_create_special(parent, dentry->d_name.name, mode, uid, ++ gid, old_encode_dev(rdev)); ++#else ++ obj = ++ yaffs_create_special(parent, dentry->d_name.name, mode, uid, ++ gid, rdev); ++#endif ++ break; ++ case S_IFREG: /* file */ ++ yaffs_trace(YAFFS_TRACE_OS, "yaffs_mknod: making file"); ++ obj = yaffs_create_file(parent, dentry->d_name.name, mode, uid, ++ gid); ++ break; ++ case S_IFDIR: /* directory */ ++ yaffs_trace(YAFFS_TRACE_OS, "yaffs_mknod: making directory"); ++ obj = yaffs_create_dir(parent, dentry->d_name.name, mode, ++ uid, gid); ++ break; ++ case S_IFLNK: /* symlink */ ++ yaffs_trace(YAFFS_TRACE_OS, "yaffs_mknod: making symlink"); ++ obj = NULL; /* Do we ever get here? */ ++ break; ++ } ++ ++ /* Can not call yaffs_get_inode() with gross lock held */ ++ yaffs_gross_unlock(dev); ++ ++ if (obj) { ++ inode = yaffs_get_inode(dir->i_sb, mode, rdev, obj); ++ d_instantiate(dentry, inode); ++ update_dir_time(dir); ++ yaffs_trace(YAFFS_TRACE_OS, ++ "yaffs_mknod created object %d count = %d", ++ obj->obj_id, atomic_read(&inode->i_count)); ++ error = 0; ++ yaffs_fill_inode_from_obj(dir, parent); ++ } else { ++ yaffs_trace(YAFFS_TRACE_OS, "yaffs_mknod failed making object"); ++ error = -ENOMEM; ++ } ++ ++ return error; ++} ++ ++#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 4, 0)) ++static int yaffs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode) ++#else ++static int yaffs_mkdir(struct inode *dir, struct dentry *dentry, int mode) ++#endif ++{ ++ int ret_val; ++ yaffs_trace(YAFFS_TRACE_OS, "yaffs_mkdir"); ++ ret_val = yaffs_mknod(dir, dentry, mode | S_IFDIR, 0); ++ return ret_val; ++} ++ ++ ++#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 6, 0)) ++static int yaffs_create(struct inode *dir, struct dentry *dentry, umode_t mode, ++ bool dummy) ++#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 4, 0)) ++static int yaffs_create(struct inode *dir, struct dentry *dentry, umode_t mode, ++ struct nameidata *n) ++#elif (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0)) ++static int yaffs_create(struct inode *dir, struct dentry *dentry, int mode, ++ struct nameidata *n) ++#else ++static int yaffs_create(struct inode *dir, struct dentry *dentry, int mode) ++#endif ++{ ++ yaffs_trace(YAFFS_TRACE_OS, "yaffs_create"); ++ return yaffs_mknod(dir, dentry, mode | S_IFREG, 0); ++} ++ ++#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 6, 0)) ++static struct dentry *yaffs_lookup(struct inode *dir, struct dentry *dentry, ++ unsigned int dummy) ++#elif (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0)) ++static struct dentry *yaffs_lookup(struct inode *dir, struct dentry *dentry, ++ struct nameidata *n) ++#else ++static struct dentry *yaffs_lookup(struct inode *dir, struct dentry *dentry) ++#endif ++{ ++ struct yaffs_obj *obj; ++ struct inode *inode = NULL; /* NCB 2.5/2.6 needs NULL here */ ++ ++ struct yaffs_dev *dev = yaffs_inode_to_obj(dir)->my_dev; ++ ++ if (current != yaffs_dev_to_lc(dev)->readdir_process) ++ yaffs_gross_lock(dev); ++ ++ yaffs_trace(YAFFS_TRACE_OS, "yaffs_lookup for %d:%s", ++ yaffs_inode_to_obj(dir)->obj_id, dentry->d_name.name); ++ ++ obj = yaffs_find_by_name(yaffs_inode_to_obj(dir), dentry->d_name.name); ++ ++ obj = yaffs_get_equivalent_obj(obj); /* in case it was a hardlink */ ++ ++ /* Can't hold gross lock when calling yaffs_get_inode() */ ++ if (current != yaffs_dev_to_lc(dev)->readdir_process) ++ yaffs_gross_unlock(dev); ++ ++ if (obj) { ++ yaffs_trace(YAFFS_TRACE_OS, ++ "yaffs_lookup found %d", obj->obj_id); ++ ++ inode = yaffs_get_inode(dir->i_sb, obj->yst_mode, 0, obj); ++ } else { ++ yaffs_trace(YAFFS_TRACE_OS, "yaffs_lookup not found"); ++ ++ } ++ ++/* added NCB for 2.5/6 compatability - forces add even if inode is ++ * NULL which creates dentry hash */ ++ d_add(dentry, inode); ++ ++ return NULL; ++} ++ ++/* ++ * Create a link... ++ */ ++static int yaffs_link(struct dentry *old_dentry, struct inode *dir, ++ struct dentry *dentry) ++{ ++ struct inode *inode = old_dentry->d_inode; ++ struct yaffs_obj *obj = NULL; ++ struct yaffs_obj *link = NULL; ++ struct yaffs_dev *dev; ++ ++ yaffs_trace(YAFFS_TRACE_OS, "yaffs_link"); ++ ++ obj = yaffs_inode_to_obj(inode); ++ dev = obj->my_dev; ++ ++ yaffs_gross_lock(dev); ++ ++ if (!S_ISDIR(inode->i_mode)) /* Don't link directories */ ++ link = ++ yaffs_link_obj(yaffs_inode_to_obj(dir), dentry->d_name.name, ++ obj); ++ ++ if (link) { ++ set_nlink(old_dentry->d_inode, yaffs_get_obj_link_count(obj)); ++ d_instantiate(dentry, old_dentry->d_inode); ++ atomic_inc(&old_dentry->d_inode->i_count); ++ yaffs_trace(YAFFS_TRACE_OS, ++ "yaffs_link link count %d i_count %d", ++ old_dentry->d_inode->i_nlink, ++ atomic_read(&old_dentry->d_inode->i_count)); ++ } ++ ++ yaffs_gross_unlock(dev); ++ ++ if (link) { ++ update_dir_time(dir); ++ return 0; ++ } ++ ++ return -EPERM; ++} ++ ++static int yaffs_symlink(struct inode *dir, struct dentry *dentry, ++ const char *symname) ++{ ++ struct yaffs_obj *obj; ++ struct yaffs_dev *dev; ++ uid_t uid = YCRED_FSUID(); ++ gid_t gid = ++ (dir->i_mode & S_ISGID) ? i_gid_read(dir) : YCRED_FSGID(); ++ ++ yaffs_trace(YAFFS_TRACE_OS, "yaffs_symlink"); ++ ++ if (strnlen(dentry->d_name.name, YAFFS_MAX_NAME_LENGTH + 1) > ++ YAFFS_MAX_NAME_LENGTH) ++ return -ENAMETOOLONG; ++ ++ if (strnlen(symname, YAFFS_MAX_ALIAS_LENGTH + 1) > ++ YAFFS_MAX_ALIAS_LENGTH) ++ return -ENAMETOOLONG; ++ ++ dev = yaffs_inode_to_obj(dir)->my_dev; ++ yaffs_gross_lock(dev); ++ obj = yaffs_create_symlink(yaffs_inode_to_obj(dir), dentry->d_name.name, ++ S_IFLNK | S_IRWXUGO, uid, gid, symname); ++ yaffs_gross_unlock(dev); ++ ++ if (obj) { ++ struct inode *inode; ++ ++ inode = yaffs_get_inode(dir->i_sb, obj->yst_mode, 0, obj); ++ d_instantiate(dentry, inode); ++ update_dir_time(dir); ++ yaffs_trace(YAFFS_TRACE_OS, "symlink created OK"); ++ return 0; ++ } else { ++ yaffs_trace(YAFFS_TRACE_OS, "symlink not created"); ++ } ++ ++ return -ENOMEM; ++} ++ ++/* ++ * The VFS layer already does all the dentry stuff for rename. ++ * ++ * NB: POSIX says you can rename an object over an old object of the same name ++ */ ++static int yaffs_rename(struct inode *old_dir, struct dentry *old_dentry, ++ struct inode *new_dir, struct dentry *new_dentry) ++{ ++ struct yaffs_dev *dev; ++ int ret_val = YAFFS_FAIL; ++ struct yaffs_obj *target; ++ ++ yaffs_trace(YAFFS_TRACE_OS, "yaffs_rename"); ++ dev = yaffs_inode_to_obj(old_dir)->my_dev; ++ ++ yaffs_gross_lock(dev); ++ ++ /* Check if the target is an existing directory that is not empty. */ ++ target = yaffs_find_by_name(yaffs_inode_to_obj(new_dir), ++ new_dentry->d_name.name); ++ ++ if (target && target->variant_type == YAFFS_OBJECT_TYPE_DIRECTORY && ++ !list_empty(&target->variant.dir_variant.children)) { ++ ++ yaffs_trace(YAFFS_TRACE_OS, "target is non-empty dir"); ++ ++ ret_val = YAFFS_FAIL; ++ } else { ++ /* Now does unlinking internally using shadowing mechanism */ ++ yaffs_trace(YAFFS_TRACE_OS, "calling yaffs_rename_obj"); ++ ++ ret_val = yaffs_rename_obj(yaffs_inode_to_obj(old_dir), ++ old_dentry->d_name.name, ++ yaffs_inode_to_obj(new_dir), ++ new_dentry->d_name.name); ++ } ++ yaffs_gross_unlock(dev); ++ ++ if (ret_val == YAFFS_OK) { ++ if (target) ++ inode_dec_link_count(new_dentry->d_inode); ++ ++ update_dir_time(old_dir); ++ if (old_dir != new_dir) ++ update_dir_time(new_dir); ++ return 0; ++ } else { ++ return -ENOTEMPTY; ++ } ++} ++ ++ ++ ++ ++static int yaffs_unlink(struct inode *dir, struct dentry *dentry) ++{ ++ int ret_val; ++ ++ struct yaffs_dev *dev; ++ struct yaffs_obj *obj; ++ ++ yaffs_trace(YAFFS_TRACE_OS, "yaffs_unlink %d:%s", ++ (int)(dir->i_ino), dentry->d_name.name); ++ obj = yaffs_inode_to_obj(dir); ++ dev = obj->my_dev; ++ ++ yaffs_gross_lock(dev); ++ ++ ret_val = yaffs_unlinker(obj, dentry->d_name.name); ++ ++ if (ret_val == YAFFS_OK) { ++ inode_dec_link_count(dentry->d_inode); ++ dir->i_version++; ++ yaffs_gross_unlock(dev); ++ update_dir_time(dir); ++ return 0; ++ } ++ yaffs_gross_unlock(dev); ++ return -ENOTEMPTY; ++} ++ ++ ++ ++static const struct inode_operations yaffs_dir_inode_operations = { ++ .create = yaffs_create, ++ .lookup = yaffs_lookup, ++ .link = yaffs_link, ++ .unlink = yaffs_unlink, ++ .symlink = yaffs_symlink, ++ .mkdir = yaffs_mkdir, ++ .rmdir = yaffs_unlink, ++ .mknod = yaffs_mknod, ++ .rename = yaffs_rename, ++ .setattr = yaffs_setattr, ++ .setxattr = yaffs_setxattr, ++ .getxattr = yaffs_getxattr, ++ .listxattr = yaffs_listxattr, ++ .removexattr = yaffs_removexattr, ++}; ++ ++/*-----------------------------------------------------------------*/ ++/* Directory search context allows us to unlock access to yaffs during ++ * filldir without causing problems with the directory being modified. ++ * This is similar to the tried and tested mechanism used in yaffs direct. ++ * ++ * A search context iterates along a doubly linked list of siblings in the ++ * directory. If the iterating object is deleted then this would corrupt ++ * the list iteration, likely causing a crash. The search context avoids ++ * this by using the remove_obj_fn to move the search context to the ++ * next object before the object is deleted. ++ * ++ * Many readdirs (and thus seach conexts) may be alive simulateously so ++ * each struct yaffs_dev has a list of these. ++ * ++ * A seach context lives for the duration of a readdir. ++ * ++ * All these functions must be called while yaffs is locked. ++ */ ++ ++struct yaffs_search_context { ++ struct yaffs_dev *dev; ++ struct yaffs_obj *dir_obj; ++ struct yaffs_obj *next_return; ++ struct list_head others; ++}; ++ ++/* ++ * yaffs_new_search() creates a new search context, initialises it and ++ * adds it to the device's search context list. ++ * ++ * Called at start of readdir. ++ */ ++static struct yaffs_search_context *yaffs_new_search(struct yaffs_obj *dir) ++{ ++ struct yaffs_dev *dev = dir->my_dev; ++ struct yaffs_search_context *sc = ++ kmalloc(sizeof(struct yaffs_search_context), GFP_NOFS); ++ if (sc) { ++ sc->dir_obj = dir; ++ sc->dev = dev; ++ if (list_empty(&sc->dir_obj->variant.dir_variant.children)) ++ sc->next_return = NULL; ++ else ++ sc->next_return = ++ list_entry(dir->variant.dir_variant.children.next, ++ struct yaffs_obj, siblings); ++ INIT_LIST_HEAD(&sc->others); ++ list_add(&sc->others, &(yaffs_dev_to_lc(dev)->search_contexts)); ++ } ++ return sc; ++} ++ ++/* ++ * yaffs_search_end() disposes of a search context and cleans up. ++ */ ++static void yaffs_search_end(struct yaffs_search_context *sc) ++{ ++ if (sc) { ++ list_del(&sc->others); ++ kfree(sc); ++ } ++} ++ ++/* ++ * yaffs_search_advance() moves a search context to the next object. ++ * Called when the search iterates or when an object removal causes ++ * the search context to be moved to the next object. ++ */ ++static void yaffs_search_advance(struct yaffs_search_context *sc) ++{ ++ if (!sc) ++ return; ++ ++ if (sc->next_return == NULL || ++ list_empty(&sc->dir_obj->variant.dir_variant.children)) ++ sc->next_return = NULL; ++ else { ++ struct list_head *next = sc->next_return->siblings.next; ++ ++ if (next == &sc->dir_obj->variant.dir_variant.children) ++ sc->next_return = NULL; /* end of list */ ++ else ++ sc->next_return = ++ list_entry(next, struct yaffs_obj, siblings); ++ } ++} ++ ++/* ++ * yaffs_remove_obj_callback() is called when an object is unlinked. ++ * We check open search contexts and advance any which are currently ++ * on the object being iterated. ++ */ ++static void yaffs_remove_obj_callback(struct yaffs_obj *obj) ++{ ++ ++ struct list_head *i; ++ struct yaffs_search_context *sc; ++ struct list_head *search_contexts = ++ &(yaffs_dev_to_lc(obj->my_dev)->search_contexts); ++ ++ /* Iterate through the directory search contexts. ++ * If any are currently on the object being removed, then advance ++ * the search context to the next object to prevent a hanging pointer. ++ */ ++ list_for_each(i, search_contexts) { ++ sc = list_entry(i, struct yaffs_search_context, others); ++ if (sc->next_return == obj) ++ yaffs_search_advance(sc); ++ } ++ ++} ++ ++ ++/*-----------------------------------------------------------------*/ ++ ++#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 12, 0)) ++static int yaffs_readdir(struct file *file, struct dir_context *ctx) ++{ ++ struct yaffs_obj *obj; ++ struct yaffs_dev *dev; ++ struct yaffs_search_context *sc; ++ struct inode *inode = file->f_dentry->d_inode; ++ unsigned long offset, curoffs; ++ struct yaffs_obj *l; ++ int ret_val = 0; ++ ++ char name[YAFFS_MAX_NAME_LENGTH + 1]; ++ ++ obj = yaffs_dentry_to_obj(file->f_dentry); ++ dev = obj->my_dev; ++ ++ yaffs_gross_lock(dev); ++ ++ yaffs_dev_to_lc(dev)->readdir_process = current; ++ ++ offset = ctx->pos; ++ ++ sc = yaffs_new_search(obj); ++ if (!sc) { ++ ret_val = -ENOMEM; ++ goto out; ++ } ++ ++ yaffs_trace(YAFFS_TRACE_OS, ++ "yaffs_readdir: starting at %d", (int)offset); ++ ++ if (offset == 0) { ++ yaffs_trace(YAFFS_TRACE_OS, ++ "yaffs_readdir: entry . ino %d", ++ (int)inode->i_ino); ++ yaffs_gross_unlock(dev); ++ if (!dir_emit_dot(file, ctx)) { ++ yaffs_gross_lock(dev); ++ goto out; ++ } ++ yaffs_gross_lock(dev); ++ offset++; ++ ctx->pos++; ++ } ++ if (offset == 1) { ++ yaffs_trace(YAFFS_TRACE_OS, ++ "yaffs_readdir: entry .. ino %d", ++ (int)file->f_dentry->d_parent->d_inode->i_ino); ++ yaffs_gross_unlock(dev); ++ if (!dir_emit_dotdot(file, ctx)) { ++ yaffs_gross_lock(dev); ++ goto out; ++ } ++ yaffs_gross_lock(dev); ++ offset++; ++ ctx->pos++; ++ } ++ ++ curoffs = 1; ++ ++ /* If the directory has changed since the open or last call to ++ readdir, rewind to after the 2 canned entries. */ ++ if (file->f_version != inode->i_version) { ++ offset = 2; ++ ctx->pos = offset; ++ file->f_version = inode->i_version; ++ } ++ ++ while (sc->next_return) { ++ curoffs++; ++ l = sc->next_return; ++ if (curoffs >= offset) { ++ int this_inode = yaffs_get_obj_inode(l); ++ int this_type = yaffs_get_obj_type(l); ++ ++ yaffs_get_obj_name(l, name, YAFFS_MAX_NAME_LENGTH + 1); ++ yaffs_trace(YAFFS_TRACE_OS, ++ "yaffs_readdir: %s inode %d", ++ name, yaffs_get_obj_inode(l)); ++ ++ yaffs_gross_unlock(dev); ++ ++ if (!dir_emit(ctx, name, strlen(name), ++ this_inode, this_type) < 0) { ++ yaffs_gross_lock(dev); ++ goto out; ++ } ++ ++ yaffs_gross_lock(dev); ++ ++ offset++; ++ ctx->pos++; ++ } ++ yaffs_search_advance(sc); ++ } ++ ++out: ++ yaffs_search_end(sc); ++ yaffs_dev_to_lc(dev)->readdir_process = NULL; ++ yaffs_gross_unlock(dev); ++ ++ return ret_val; ++} ++#else ++static int yaffs_readdir(struct file *f, void *dirent, filldir_t filldir) ++{ ++ struct yaffs_obj *obj; ++ struct yaffs_dev *dev; ++ struct yaffs_search_context *sc; ++ struct inode *inode = f->f_dentry->d_inode; ++ unsigned long offset, curoffs; ++ struct yaffs_obj *l; ++ int ret_val = 0; ++ ++ char name[YAFFS_MAX_NAME_LENGTH + 1]; ++ ++ obj = yaffs_dentry_to_obj(f->f_dentry); ++ dev = obj->my_dev; ++ ++ yaffs_gross_lock(dev); ++ ++ yaffs_dev_to_lc(dev)->readdir_process = current; ++ ++ offset = f->f_pos; ++ ++ sc = yaffs_new_search(obj); ++ if (!sc) { ++ ret_val = -ENOMEM; ++ goto out; ++ } ++ ++ yaffs_trace(YAFFS_TRACE_OS, ++ "yaffs_readdir: starting at %d", (int)offset); ++ ++ if (offset == 0) { ++ yaffs_trace(YAFFS_TRACE_OS, ++ "yaffs_readdir: entry . ino %d", ++ (int)inode->i_ino); ++ yaffs_gross_unlock(dev); ++ if (filldir(dirent, ".", 1, offset, inode->i_ino, DT_DIR) < 0) { ++ yaffs_gross_lock(dev); ++ goto out; ++ } ++ yaffs_gross_lock(dev); ++ offset++; ++ f->f_pos++; ++ } ++ if (offset == 1) { ++ yaffs_trace(YAFFS_TRACE_OS, ++ "yaffs_readdir: entry .. ino %d", ++ (int)f->f_dentry->d_parent->d_inode->i_ino); ++ yaffs_gross_unlock(dev); ++ if (filldir(dirent, "..", 2, offset, ++ f->f_dentry->d_parent->d_inode->i_ino, ++ DT_DIR) < 0) { ++ yaffs_gross_lock(dev); ++ goto out; ++ } ++ yaffs_gross_lock(dev); ++ offset++; ++ f->f_pos++; ++ } ++ ++ curoffs = 1; ++ ++ /* If the directory has changed since the open or last call to ++ readdir, rewind to after the 2 canned entries. */ ++ if (f->f_version != inode->i_version) { ++ offset = 2; ++ f->f_pos = offset; ++ f->f_version = inode->i_version; ++ } ++ ++ while (sc->next_return) { ++ curoffs++; ++ l = sc->next_return; ++ if (curoffs >= offset) { ++ int this_inode = yaffs_get_obj_inode(l); ++ int this_type = yaffs_get_obj_type(l); ++ ++ yaffs_get_obj_name(l, name, YAFFS_MAX_NAME_LENGTH + 1); ++ yaffs_trace(YAFFS_TRACE_OS, ++ "yaffs_readdir: %s inode %d", ++ name, yaffs_get_obj_inode(l)); ++ ++ yaffs_gross_unlock(dev); ++ ++ if (filldir(dirent, ++ name, ++ strlen(name), ++ offset, this_inode, this_type) < 0) { ++ yaffs_gross_lock(dev); ++ goto out; ++ } ++ ++ yaffs_gross_lock(dev); ++ ++ offset++; ++ f->f_pos++; ++ } ++ yaffs_search_advance(sc); ++ } ++ ++out: ++ yaffs_search_end(sc); ++ yaffs_dev_to_lc(dev)->readdir_process = NULL; ++ yaffs_gross_unlock(dev); ++ ++ return ret_val; ++} ++#endif ++ ++static const struct file_operations yaffs_dir_operations = { ++ .read = generic_read_dir, ++#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 12, 0)) ++ .iterate = yaffs_readdir, ++#else ++ .readdir = yaffs_readdir, ++#endif ++ .fsync = yaffs_sync_object, ++ .llseek = generic_file_llseek, ++}; ++ ++static void yaffs_fill_inode_from_obj(struct inode *inode, ++ struct yaffs_obj *obj) ++{ ++ if (inode && obj) { ++ ++ /* Check mode against the variant type and attempt to repair if broken. */ ++ u32 mode = obj->yst_mode; ++ switch (obj->variant_type) { ++ case YAFFS_OBJECT_TYPE_FILE: ++ if (!S_ISREG(mode)) { ++ obj->yst_mode &= ~S_IFMT; ++ obj->yst_mode |= S_IFREG; ++ } ++ ++ break; ++ case YAFFS_OBJECT_TYPE_SYMLINK: ++ if (!S_ISLNK(mode)) { ++ obj->yst_mode &= ~S_IFMT; ++ obj->yst_mode |= S_IFLNK; ++ } ++ ++ break; ++ case YAFFS_OBJECT_TYPE_DIRECTORY: ++ if (!S_ISDIR(mode)) { ++ obj->yst_mode &= ~S_IFMT; ++ obj->yst_mode |= S_IFDIR; ++ } ++ ++ break; ++ case YAFFS_OBJECT_TYPE_UNKNOWN: ++ case YAFFS_OBJECT_TYPE_HARDLINK: ++ case YAFFS_OBJECT_TYPE_SPECIAL: ++ default: ++ /* TODO? */ ++ break; ++ } ++ ++ inode->i_flags |= S_NOATIME; ++ ++ inode->i_ino = obj->obj_id; ++ inode->i_mode = obj->yst_mode; ++ i_uid_write(inode, obj->yst_uid); ++ i_gid_write(inode, obj->yst_gid); ++#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 19)) ++ inode->i_blksize = inode->i_sb->s_blocksize; ++#endif ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0)) ++ ++ inode->i_rdev = old_decode_dev(obj->yst_rdev); ++ inode->i_atime.tv_sec = (time_t) (obj->yst_atime); ++ inode->i_atime.tv_nsec = 0; ++ inode->i_mtime.tv_sec = (time_t) obj->yst_mtime; ++ inode->i_mtime.tv_nsec = 0; ++ inode->i_ctime.tv_sec = (time_t) obj->yst_ctime; ++ inode->i_ctime.tv_nsec = 0; ++#else ++ inode->i_rdev = obj->yst_rdev; ++ inode->i_atime = obj->yst_atime; ++ inode->i_mtime = obj->yst_mtime; ++ inode->i_ctime = obj->yst_ctime; ++#endif ++ inode->i_size = yaffs_get_obj_length(obj); ++ inode->i_blocks = (inode->i_size + 511) >> 9; ++ ++ set_nlink(inode, yaffs_get_obj_link_count(obj)); ++ ++ yaffs_trace(YAFFS_TRACE_OS, ++ "yaffs_fill_inode mode %x uid %d gid %d size %lld count %d", ++ inode->i_mode, i_uid_read(inode), i_gid_read(inode), ++ inode->i_size, atomic_read(&inode->i_count)); ++ ++ switch (obj->yst_mode & S_IFMT) { ++ default: /* fifo, device or socket */ ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0)) ++ init_special_inode(inode, obj->yst_mode, ++ old_decode_dev(obj->yst_rdev)); ++#else ++ init_special_inode(inode, obj->yst_mode, ++ (dev_t) (obj->yst_rdev)); ++#endif ++ break; ++ case S_IFREG: /* file */ ++ inode->i_op = &yaffs_file_inode_operations; ++ inode->i_fop = &yaffs_file_operations; ++ inode->i_mapping->a_ops = ++ &yaffs_file_address_operations; ++ break; ++ case S_IFDIR: /* directory */ ++ inode->i_op = &yaffs_dir_inode_operations; ++ inode->i_fop = &yaffs_dir_operations; ++ break; ++ case S_IFLNK: /* symlink */ ++ inode->i_op = &yaffs_symlink_inode_operations; ++ break; ++ } ++ ++ yaffs_inode_to_obj_lv(inode) = obj; ++ ++ obj->my_inode = inode; ++ ++ } else { ++ yaffs_trace(YAFFS_TRACE_OS, ++ "yaffs_fill_inode invalid parameters"); ++ } ++ ++} ++ ++ ++ ++/* ++ * yaffs background thread functions . ++ * yaffs_bg_thread_fn() the thread function ++ * yaffs_bg_start() launches the background thread. ++ * yaffs_bg_stop() cleans up the background thread. ++ * ++ * NB: ++ * The thread should only run after the yaffs is initialised ++ * The thread should be stopped before yaffs is unmounted. ++ * The thread should not do any writing while the fs is in read only. ++ */ ++ ++static unsigned yaffs_bg_gc_urgency(struct yaffs_dev *dev) ++{ ++ unsigned erased_chunks = ++ dev->n_erased_blocks * dev->param.chunks_per_block; ++ struct yaffs_linux_context *context = yaffs_dev_to_lc(dev); ++ unsigned scattered = 0; /* Free chunks not in an erased block */ ++ ++ if (erased_chunks < dev->n_free_chunks) ++ scattered = (dev->n_free_chunks - erased_chunks); ++ ++ if (!context->bg_running) ++ return 0; ++ else if (scattered < (dev->param.chunks_per_block * 2)) ++ return 0; ++ else if (erased_chunks > dev->n_free_chunks / 2) ++ return 0; ++ else if (erased_chunks > dev->n_free_chunks / 4) ++ return 1; ++ else ++ return 2; ++} ++ ++#ifdef YAFFS_COMPILE_BACKGROUND ++ ++void yaffs_background_waker(unsigned long data) ++{ ++ wake_up_process((struct task_struct *)data); ++} ++ ++static int yaffs_bg_thread_fn(void *data) ++{ ++ struct yaffs_dev *dev = (struct yaffs_dev *)data; ++ struct yaffs_linux_context *context = yaffs_dev_to_lc(dev); ++ unsigned long now = jiffies; ++ unsigned long next_dir_update = now; ++ unsigned long next_gc = now; ++ unsigned long expires; ++ unsigned int urgency; ++ ++ int gc_result; ++ struct timer_list timer; ++ ++ yaffs_trace(YAFFS_TRACE_BACKGROUND, ++ "yaffs_background starting for dev %p", (void *)dev); ++ ++#ifdef YAFFS_COMPILE_FREEZER ++ set_freezable(); ++#endif ++ while (context->bg_running) { ++ yaffs_trace(YAFFS_TRACE_BACKGROUND, "yaffs_background"); ++ ++ if (kthread_should_stop()) ++ break; ++ ++#ifdef YAFFS_COMPILE_FREEZER ++ if (try_to_freeze()) ++ continue; ++#endif ++ yaffs_gross_lock(dev); ++ ++ now = jiffies; ++ ++ if (time_after(now, next_dir_update) && yaffs_bg_enable) { ++ yaffs_update_dirty_dirs(dev); ++ next_dir_update = now + HZ; ++ } ++ ++ if (time_after(now, next_gc) && yaffs_bg_enable) { ++ if (!dev->is_checkpointed) { ++ urgency = yaffs_bg_gc_urgency(dev); ++ gc_result = yaffs_bg_gc(dev, urgency); ++ if (urgency > 1) ++ next_gc = now + HZ / 20 + 1; ++ else if (urgency > 0) ++ next_gc = now + HZ / 10 + 1; ++ else ++ next_gc = now + HZ * 2; ++ } else { ++ /* ++ * gc not running so set to next_dir_update ++ * to cut down on wake ups ++ */ ++ next_gc = next_dir_update; ++ } ++ } ++ yaffs_gross_unlock(dev); ++#if 1 ++ expires = next_dir_update; ++ if (time_before(next_gc, expires)) ++ expires = next_gc; ++ if (time_before(expires, now)) ++ expires = now + HZ; ++ ++ Y_INIT_TIMER(&timer); ++ timer.expires = expires + 1; ++ timer.data = (unsigned long)current; ++ timer.function = yaffs_background_waker; ++ ++ set_current_state(TASK_INTERRUPTIBLE); ++ add_timer(&timer); ++ schedule(); ++ del_timer_sync(&timer); ++#else ++ msleep(10); ++#endif ++ } ++ ++ return 0; ++} ++ ++static int yaffs_bg_start(struct yaffs_dev *dev) ++{ ++ int retval = 0; ++ struct yaffs_linux_context *context = yaffs_dev_to_lc(dev); ++ ++ if (dev->read_only) ++ return -1; ++ ++ context->bg_running = 1; ++ ++ context->bg_thread = kthread_run(yaffs_bg_thread_fn, ++ (void *)dev, "yaffs-bg-%d", ++ context->mount_id); ++ ++ if (IS_ERR(context->bg_thread)) { ++ retval = PTR_ERR(context->bg_thread); ++ context->bg_thread = NULL; ++ context->bg_running = 0; ++ } ++ return retval; ++} ++ ++static void yaffs_bg_stop(struct yaffs_dev *dev) ++{ ++ struct yaffs_linux_context *ctxt = yaffs_dev_to_lc(dev); ++ ++ ctxt->bg_running = 0; ++ ++ if (ctxt->bg_thread) { ++ kthread_stop(ctxt->bg_thread); ++ ctxt->bg_thread = NULL; ++ } ++} ++#else ++static int yaffs_bg_thread_fn(void *data) ++{ ++ return 0; ++} ++ ++static int yaffs_bg_start(struct yaffs_dev *dev) ++{ ++ return 0; ++} ++ ++static void yaffs_bg_stop(struct yaffs_dev *dev) ++{ ++} ++#endif ++ ++ ++static void yaffs_flush_inodes(struct super_block *sb) ++{ ++ struct inode *iptr; ++ struct yaffs_obj *obj; ++ ++ list_for_each_entry(iptr, &sb->s_inodes, i_sb_list) { ++ obj = yaffs_inode_to_obj(iptr); ++ if (obj) { ++ yaffs_trace(YAFFS_TRACE_OS, ++ "flushing obj %d", ++ obj->obj_id); ++ yaffs_flush_file(obj, 1, 0); ++ } ++ } ++} ++ ++static void yaffs_flush_super(struct super_block *sb, int do_checkpoint) ++{ ++ struct yaffs_dev *dev = yaffs_super_to_dev(sb); ++ if (!dev) ++ return; ++ ++ yaffs_flush_inodes(sb); ++ yaffs_update_dirty_dirs(dev); ++ yaffs_flush_whole_cache(dev); ++ if (do_checkpoint) ++ yaffs_checkpoint_save(dev); ++} ++ ++static LIST_HEAD(yaffs_context_list); ++struct mutex yaffs_context_lock; ++ ++static void yaffs_put_super(struct super_block *sb) ++{ ++ struct yaffs_dev *dev = yaffs_super_to_dev(sb); ++ struct mtd_info *mtd = yaffs_dev_to_mtd(dev); ++ ++ yaffs_trace(YAFFS_TRACE_OS | YAFFS_TRACE_ALWAYS, ++ "yaffs_put_super"); ++ ++ yaffs_trace(YAFFS_TRACE_OS | YAFFS_TRACE_BACKGROUND, ++ "Shutting down yaffs background thread"); ++ yaffs_bg_stop(dev); ++ yaffs_trace(YAFFS_TRACE_OS | YAFFS_TRACE_BACKGROUND, ++ "yaffs background thread shut down"); ++ ++ yaffs_gross_lock(dev); ++ ++ yaffs_flush_super(sb, 1); ++ ++ yaffs_deinitialise(dev); ++ ++ yaffs_gross_unlock(dev); ++ ++ mutex_lock(&yaffs_context_lock); ++ list_del_init(&(yaffs_dev_to_lc(dev)->context_list)); ++ mutex_unlock(&yaffs_context_lock); ++ ++ if (yaffs_dev_to_lc(dev)->spare_buffer) { ++ kfree(yaffs_dev_to_lc(dev)->spare_buffer); ++ yaffs_dev_to_lc(dev)->spare_buffer = NULL; ++ } ++ ++ kfree(dev); ++ ++ yaffs_put_mtd_device(mtd); ++ ++ yaffs_trace(YAFFS_TRACE_OS | YAFFS_TRACE_ALWAYS, ++ "yaffs_put_super done"); ++} ++ ++ ++static unsigned yaffs_gc_control_callback(struct yaffs_dev *dev) ++{ ++ return yaffs_gc_control; ++} ++ ++ ++#ifdef YAFFS_COMPILE_EXPORTFS ++ ++static struct inode *yaffs2_nfs_get_inode(struct super_block *sb, uint64_t ino, ++ uint32_t generation) ++{ ++ return Y_IGET(sb, ino); ++} ++ ++static struct dentry *yaffs2_fh_to_dentry(struct super_block *sb, ++ struct fid *fid, int fh_len, ++ int fh_type) ++{ ++ return generic_fh_to_dentry(sb, fid, fh_len, fh_type, ++ yaffs2_nfs_get_inode); ++} ++ ++static struct dentry *yaffs2_fh_to_parent(struct super_block *sb, ++ struct fid *fid, int fh_len, ++ int fh_type) ++{ ++ return generic_fh_to_parent(sb, fid, fh_len, fh_type, ++ yaffs2_nfs_get_inode); ++} ++ ++struct dentry *yaffs2_get_parent(struct dentry *dentry) ++{ ++ ++ struct super_block *sb = dentry->d_inode->i_sb; ++ struct dentry *parent = ERR_PTR(-ENOENT); ++ struct inode *inode; ++ unsigned long parent_ino; ++ struct yaffs_obj *d_obj; ++ struct yaffs_obj *parent_obj; ++ ++ d_obj = yaffs_inode_to_obj(dentry->d_inode); ++ ++ if (d_obj) { ++ parent_obj = d_obj->parent; ++ if (parent_obj) { ++ parent_ino = yaffs_get_obj_inode(parent_obj); ++ inode = Y_IGET(sb, parent_ino); ++ ++ if (IS_ERR(inode)) { ++ parent = ERR_CAST(inode); ++ } else { ++ parent = d_obtain_alias(inode); ++ if (!IS_ERR(parent)) { ++ parent = ERR_PTR(-ENOMEM); ++ iput(inode); ++ } ++ } ++ } ++ } ++ ++ return parent; ++} ++ ++/* Just declare a zero structure as a NULL value implies ++ * using the default functions of exportfs. ++ */ ++ ++static struct export_operations yaffs_export_ops = { ++ .fh_to_dentry = yaffs2_fh_to_dentry, ++ .fh_to_parent = yaffs2_fh_to_parent, ++ .get_parent = yaffs2_get_parent, ++}; ++ ++#endif ++ ++static void yaffs_unstitch_obj(struct inode *inode, struct yaffs_obj *obj) ++{ ++ /* Clear the association between the inode and ++ * the struct yaffs_obj. ++ */ ++ obj->my_inode = NULL; ++ yaffs_inode_to_obj_lv(inode) = NULL; ++ ++ /* If the object freeing was deferred, then the real ++ * free happens now. ++ * This should fix the inode inconsistency problem. ++ */ ++ yaffs_handle_defered_free(obj); ++} ++ ++#ifdef YAFFS_HAS_EVICT_INODE ++/* yaffs_evict_inode combines into one operation what was previously done in ++ * yaffs_clear_inode() and yaffs_delete_inode() ++ * ++ */ ++static void yaffs_evict_inode(struct inode *inode) ++{ ++ struct yaffs_obj *obj; ++ struct yaffs_dev *dev; ++ int deleteme = 0; ++ ++ obj = yaffs_inode_to_obj(inode); ++ ++ yaffs_trace(YAFFS_TRACE_OS, ++ "yaffs_evict_inode: ino %d, count %d %s", ++ (int)inode->i_ino, atomic_read(&inode->i_count), ++ obj ? "object exists" : "null object"); ++ ++ if (!inode->i_nlink && !is_bad_inode(inode)) ++ deleteme = 1; ++ truncate_inode_pages(&inode->i_data, 0); ++ Y_CLEAR_INODE(inode); ++ ++ if (deleteme && obj) { ++ dev = obj->my_dev; ++ yaffs_gross_lock(dev); ++ yaffs_del_obj(obj); ++ yaffs_gross_unlock(dev); ++ } ++ if (obj) { ++ dev = obj->my_dev; ++ yaffs_gross_lock(dev); ++ yaffs_unstitch_obj(inode, obj); ++ yaffs_gross_unlock(dev); ++ } ++} ++#else ++ ++/* clear is called to tell the fs to release any per-inode data it holds. ++ * The object might still exist on disk and is just being thrown out of the cache ++ * or else the object has actually been deleted and we're being called via ++ * the chain ++ * yaffs_delete_inode() -> clear_inode()->yaffs_clear_inode() ++ */ ++ ++static void yaffs_clear_inode(struct inode *inode) ++{ ++ struct yaffs_obj *obj; ++ struct yaffs_dev *dev; ++ ++ obj = yaffs_inode_to_obj(inode); ++ ++ yaffs_trace(YAFFS_TRACE_OS, ++ "yaffs_clear_inode: ino %d, count %d %s", ++ (int)inode->i_ino, atomic_read(&inode->i_count), ++ obj ? "object exists" : "null object"); ++ ++ if (obj) { ++ dev = obj->my_dev; ++ yaffs_gross_lock(dev); ++ yaffs_unstitch_obj(inode, obj); ++ yaffs_gross_unlock(dev); ++ } ++ ++} ++ ++/* delete is called when the link count is zero and the inode ++ * is put (ie. nobody wants to know about it anymore, time to ++ * delete the file). ++ * NB Must call clear_inode() ++ */ ++static void yaffs_delete_inode(struct inode *inode) ++{ ++ struct yaffs_obj *obj = yaffs_inode_to_obj(inode); ++ struct yaffs_dev *dev; ++ ++ yaffs_trace(YAFFS_TRACE_OS, ++ "yaffs_delete_inode: ino %d, count %d %s", ++ (int)inode->i_ino, atomic_read(&inode->i_count), ++ obj ? "object exists" : "null object"); ++ ++ if (obj) { ++ dev = obj->my_dev; ++ yaffs_gross_lock(dev); ++ yaffs_del_obj(obj); ++ yaffs_gross_unlock(dev); ++ } ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 13)) ++ truncate_inode_pages(&inode->i_data, 0); ++#endif ++ clear_inode(inode); ++} ++#endif ++ ++ ++ ++ ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17)) ++static int yaffs_statfs(struct dentry *dentry, struct kstatfs *buf) ++{ ++ struct yaffs_dev *dev = yaffs_dentry_to_obj(dentry)->my_dev; ++ struct super_block *sb = dentry->d_sb; ++#elif (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0)) ++static int yaffs_statfs(struct super_block *sb, struct kstatfs *buf) ++{ ++ struct yaffs_dev *dev = yaffs_super_to_dev(sb); ++#else ++static int yaffs_statfs(struct super_block *sb, struct statfs *buf) ++{ ++ struct yaffs_dev *dev = yaffs_super_to_dev(sb); ++#endif ++ ++ yaffs_trace(YAFFS_TRACE_OS, "yaffs_statfs"); ++ ++ yaffs_gross_lock(dev); ++ ++ buf->f_type = YAFFS_MAGIC; ++ buf->f_bsize = sb->s_blocksize; ++ buf->f_namelen = 255; ++ ++ if (dev->data_bytes_per_chunk & (dev->data_bytes_per_chunk - 1)) { ++ /* Do this if chunk size is not a power of 2 */ ++ ++ uint64_t bytes_in_dev; ++ uint64_t bytes_free; ++ ++ bytes_in_dev = ++ ((uint64_t) ++ ((dev->param.end_block - dev->param.start_block + ++ 1))) * ((uint64_t) (dev->param.chunks_per_block * ++ dev->data_bytes_per_chunk)); ++ ++ do_div(bytes_in_dev, sb->s_blocksize); /* bytes_in_dev becomes the number of blocks */ ++ buf->f_blocks = bytes_in_dev; ++ ++ bytes_free = ((uint64_t) (yaffs_get_n_free_chunks(dev))) * ++ ((uint64_t) (dev->data_bytes_per_chunk)); ++ ++ do_div(bytes_free, sb->s_blocksize); ++ ++ buf->f_bfree = bytes_free; ++ ++ } else if (sb->s_blocksize > dev->data_bytes_per_chunk) { ++ ++ buf->f_blocks = ++ (dev->param.end_block - dev->param.start_block + 1) * ++ dev->param.chunks_per_block / ++ (sb->s_blocksize / dev->data_bytes_per_chunk); ++ buf->f_bfree = ++ yaffs_get_n_free_chunks(dev) / ++ (sb->s_blocksize / dev->data_bytes_per_chunk); ++ } else { ++ buf->f_blocks = ++ (dev->param.end_block - dev->param.start_block + 1) * ++ dev->param.chunks_per_block * ++ (dev->data_bytes_per_chunk / sb->s_blocksize); ++ ++ buf->f_bfree = ++ yaffs_get_n_free_chunks(dev) * ++ (dev->data_bytes_per_chunk / sb->s_blocksize); ++ } ++ ++ buf->f_files = 0; ++ buf->f_ffree = 0; ++ buf->f_bavail = buf->f_bfree; ++ ++ yaffs_gross_unlock(dev); ++ return 0; ++} ++ ++ ++ ++static int yaffs_do_sync_fs(struct super_block *sb, int request_checkpoint) ++{ ++ ++ struct yaffs_dev *dev = yaffs_super_to_dev(sb); ++ unsigned int oneshot_checkpoint = (yaffs_auto_checkpoint & 4); ++ unsigned gc_urgent = yaffs_bg_gc_urgency(dev); ++ int do_checkpoint; ++ int dirty = yaffs_check_super_dirty(dev); ++ ++ yaffs_trace(YAFFS_TRACE_OS | YAFFS_TRACE_SYNC | YAFFS_TRACE_BACKGROUND, ++ "yaffs_do_sync_fs: gc-urgency %d %s %s%s", ++ gc_urgent, ++ dirty ? "dirty" : "clean", ++ request_checkpoint ? "checkpoint requested" : "no checkpoint", ++ oneshot_checkpoint ? " one-shot" : ""); ++ ++ yaffs_gross_lock(dev); ++ do_checkpoint = ((request_checkpoint && !gc_urgent) || ++ oneshot_checkpoint) && !dev->is_checkpointed; ++ ++ if (dirty || do_checkpoint) { ++ yaffs_flush_super(sb, !dev->is_checkpointed && do_checkpoint); ++ yaffs_clear_super_dirty(dev); ++ if (oneshot_checkpoint) ++ yaffs_auto_checkpoint &= ~4; ++ } ++ yaffs_gross_unlock(dev); ++ ++ return 0; ++} ++ ++ ++#ifdef YAFFS_HAS_WRITE_SUPER ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17)) ++static void yaffs_write_super(struct super_block *sb) ++#else ++static int yaffs_write_super(struct super_block *sb) ++#endif ++{ ++ unsigned request_checkpoint = (yaffs_auto_checkpoint >= 2); ++ ++ yaffs_trace(YAFFS_TRACE_OS | YAFFS_TRACE_SYNC | YAFFS_TRACE_BACKGROUND, ++ "yaffs_write_super %s", ++ request_checkpoint ? " checkpt" : ""); ++ ++ yaffs_do_sync_fs(sb, request_checkpoint); ++ ++#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 18)) ++ return 0; ++#endif ++} ++#endif ++ ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17)) ++static int yaffs_sync_fs(struct super_block *sb, int wait) ++#else ++static int yaffs_sync_fs(struct super_block *sb) ++#endif ++{ ++ unsigned request_checkpoint = (yaffs_auto_checkpoint >= 1); ++ ++ yaffs_trace(YAFFS_TRACE_OS | YAFFS_TRACE_SYNC, ++ "yaffs_sync_fs%s", request_checkpoint ? " checkpt" : ""); ++ ++ yaffs_do_sync_fs(sb, request_checkpoint); ++ ++ return 0; ++} ++ ++ ++ ++static const struct super_operations yaffs_super_ops = { ++ .statfs = yaffs_statfs, ++ ++#ifndef YAFFS_USE_OWN_IGET ++ .read_inode = yaffs_read_inode, ++#endif ++#ifdef YAFFS_HAS_PUT_INODE ++ .put_inode = yaffs_put_inode, ++#endif ++ .put_super = yaffs_put_super, ++#ifdef YAFFS_HAS_EVICT_INODE ++ .evict_inode = yaffs_evict_inode, ++#else ++ .delete_inode = yaffs_delete_inode, ++ .clear_inode = yaffs_clear_inode, ++#endif ++ .sync_fs = yaffs_sync_fs, ++#ifdef YAFFS_HAS_WRITE_SUPER ++ .write_super = yaffs_write_super, ++#endif ++}; ++ ++struct yaffs_options { ++ int inband_tags; ++ int skip_checkpoint_read; ++ int skip_checkpoint_write; ++ int no_cache; ++ int tags_ecc_on; ++ int tags_ecc_overridden; ++ int lazy_loading_enabled; ++ int lazy_loading_overridden; ++ int empty_lost_and_found; ++ int empty_lost_and_found_overridden; ++ int disable_summary; ++}; ++ ++#define MAX_OPT_LEN 30 ++static int yaffs_parse_options(struct yaffs_options *options, ++ const char *options_str) ++{ ++ char cur_opt[MAX_OPT_LEN + 1]; ++ int p; ++ int error = 0; ++ ++ /* Parse through the options which is a comma seperated list */ ++ ++ while (options_str && *options_str && !error) { ++ memset(cur_opt, 0, MAX_OPT_LEN + 1); ++ p = 0; ++ ++ while (*options_str == ',') ++ options_str++; ++ ++ while (*options_str && *options_str != ',') { ++ if (p < MAX_OPT_LEN) { ++ cur_opt[p] = *options_str; ++ p++; ++ } ++ options_str++; ++ } ++ ++ if (!strcmp(cur_opt, "inband-tags")) { ++ options->inband_tags = 1; ++ } else if (!strcmp(cur_opt, "tags-ecc-off")) { ++ options->tags_ecc_on = 0; ++ options->tags_ecc_overridden = 1; ++ } else if (!strcmp(cur_opt, "tags-ecc-on")) { ++ options->tags_ecc_on = 1; ++ options->tags_ecc_overridden = 1; ++ } else if (!strcmp(cur_opt, "lazy-loading-off")) { ++ options->lazy_loading_enabled = 0; ++ options->lazy_loading_overridden = 1; ++ } else if (!strcmp(cur_opt, "lazy-loading-on")) { ++ options->lazy_loading_enabled = 1; ++ options->lazy_loading_overridden = 1; ++ } else if (!strcmp(cur_opt, "disable-summary")) { ++ options->disable_summary = 1; ++ } else if (!strcmp(cur_opt, "empty-lost-and-found-off")) { ++ options->empty_lost_and_found = 0; ++ options->empty_lost_and_found_overridden = 1; ++ } else if (!strcmp(cur_opt, "empty-lost-and-found-on")) { ++ options->empty_lost_and_found = 1; ++ options->empty_lost_and_found_overridden = 1; ++ } else if (!strcmp(cur_opt, "no-cache")) { ++ options->no_cache = 1; ++ } else if (!strcmp(cur_opt, "no-checkpoint-read")) { ++ options->skip_checkpoint_read = 1; ++ } else if (!strcmp(cur_opt, "no-checkpoint-write")) { ++ options->skip_checkpoint_write = 1; ++ } else if (!strcmp(cur_opt, "no-checkpoint")) { ++ options->skip_checkpoint_read = 1; ++ options->skip_checkpoint_write = 1; ++ } else { ++ printk(KERN_INFO "yaffs: Bad mount option \"%s\"\n", ++ cur_opt); ++ error = 1; ++ } ++ } ++ ++ return error; ++} ++ ++ ++static struct dentry *yaffs_make_root(struct inode *inode) ++{ ++#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 4, 0)) ++ struct dentry *root = d_alloc_root(inode); ++ ++ if (!root) ++ iput(inode); ++ ++ return root; ++#else ++ return d_make_root(inode); ++#endif ++} ++ ++ ++ ++ ++static struct super_block *yaffs_internal_read_super(int yaffs_version, ++ struct super_block *sb, ++ void *data, int silent) ++{ ++ int n_blocks; ++ struct inode *inode = NULL; ++ struct dentry *root; ++ struct yaffs_dev *dev = 0; ++ char devname_buf[BDEVNAME_SIZE + 1]; ++ struct mtd_info *mtd; ++ int err; ++ char *data_str = (char *)data; ++ struct yaffs_linux_context *context = NULL; ++ struct yaffs_param *param; ++ ++ int read_only = 0; ++ int inband_tags = 0; ++ ++ struct yaffs_options options; ++ ++ unsigned mount_id; ++ int found; ++ struct yaffs_linux_context *context_iterator; ++ struct list_head *l; ++ ++ if (!sb) { ++ printk(KERN_INFO "yaffs: sb is NULL\n"); ++ return NULL; ++ } ++ ++ sb->s_magic = YAFFS_MAGIC; ++ sb->s_op = &yaffs_super_ops; ++ sb->s_flags |= MS_NOATIME; ++ ++ read_only = ((sb->s_flags & MS_RDONLY) != 0); ++ ++#ifdef YAFFS_COMPILE_EXPORTFS ++ sb->s_export_op = &yaffs_export_ops; ++#endif ++ ++ if (!sb->s_dev) ++ printk(KERN_INFO "yaffs: sb->s_dev is NULL\n"); ++ else if (!yaffs_devname(sb, devname_buf)) ++ printk(KERN_INFO "yaffs: devname is NULL\n"); ++ else ++ printk(KERN_INFO "yaffs: dev is %d name is \"%s\" %s\n", ++ sb->s_dev, ++ yaffs_devname(sb, devname_buf), read_only ? "ro" : "rw"); ++ ++ if (!data_str) ++ data_str = ""; ++ ++ printk(KERN_INFO "yaffs: passed flags \"%s\"\n", data_str); ++ ++ memset(&options, 0, sizeof(options)); ++ ++ if (yaffs_parse_options(&options, data_str)) { ++ /* Option parsing failed */ ++ return NULL; ++ } ++ ++ sb->s_blocksize = PAGE_CACHE_SIZE; ++ sb->s_blocksize_bits = PAGE_CACHE_SHIFT; ++ ++ yaffs_trace(YAFFS_TRACE_OS, ++ "yaffs_read_super: Using yaffs%d", yaffs_version); ++ yaffs_trace(YAFFS_TRACE_OS, ++ "yaffs_read_super: block size %d", (int)(sb->s_blocksize)); ++ ++ yaffs_trace(YAFFS_TRACE_ALWAYS, ++ "yaffs: Attempting MTD mount of %u.%u,\"%s\"", ++ MAJOR(sb->s_dev), MINOR(sb->s_dev), ++ yaffs_devname(sb, devname_buf)); ++ ++ /* Get the device */ ++ mtd = get_mtd_device(NULL, MINOR(sb->s_dev)); ++ if (IS_ERR(mtd)) { ++ yaffs_trace(YAFFS_TRACE_ALWAYS, ++ "yaffs: MTD device %u either not valid or unavailable", ++ MINOR(sb->s_dev)); ++ return NULL; ++ } ++ ++ if (yaffs_auto_select && yaffs_version == 1 && WRITE_SIZE(mtd) >= 2048) { ++ yaffs_trace(YAFFS_TRACE_ALWAYS, "auto selecting yaffs2"); ++ yaffs_version = 2; ++ } ++ ++ /* Added NCB 26/5/2006 for completeness */ ++ if (yaffs_version == 2 && !options.inband_tags ++ && WRITE_SIZE(mtd) == 512) { ++ yaffs_trace(YAFFS_TRACE_ALWAYS, "auto selecting yaffs1"); ++ yaffs_version = 1; ++ } ++ ++ if (mtd->oobavail < sizeof(struct yaffs_packed_tags2) || ++ options.inband_tags) ++ inband_tags = 1; ++ ++ if(yaffs_verify_mtd(mtd, yaffs_version, inband_tags) < 0) ++ return NULL; ++ ++ /* OK, so if we got here, we have an MTD that's NAND and looks ++ * like it has the right capabilities ++ * Set the struct yaffs_dev up for mtd ++ */ ++ ++ if (!read_only && !(mtd->flags & MTD_WRITEABLE)) { ++ read_only = 1; ++ printk(KERN_INFO ++ "yaffs: mtd is read only, setting superblock read only\n" ++ ); ++ sb->s_flags |= MS_RDONLY; ++ } ++ ++ dev = kmalloc(sizeof(struct yaffs_dev), GFP_KERNEL); ++ context = kmalloc(sizeof(struct yaffs_linux_context), GFP_KERNEL); ++ ++ if (!dev || !context) { ++ kfree(dev); ++ kfree(context); ++ dev = NULL; ++ context = NULL; ++ ++ /* Deep shit could not allocate device structure */ ++ yaffs_trace(YAFFS_TRACE_ALWAYS, ++ "yaffs_read_super: Failed trying to allocate struct yaffs_dev." ++ ); ++ return NULL; ++ } ++ memset(dev, 0, sizeof(struct yaffs_dev)); ++ param = &(dev->param); ++ ++ memset(context, 0, sizeof(struct yaffs_linux_context)); ++ dev->os_context = context; ++ INIT_LIST_HEAD(&(context->context_list)); ++ context->dev = dev; ++ context->super = sb; ++ ++ dev->read_only = read_only; ++ ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0)) ++ sb->s_fs_info = dev; ++#else ++ sb->u.generic_sbp = dev; ++#endif ++ ++ ++ dev->driver_context = mtd; ++ param->name = mtd->name; ++ ++ /* Set up the memory size parameters.... */ ++ ++ ++ param->n_reserved_blocks = 5; ++ param->n_caches = (options.no_cache) ? 0 : 10; ++ param->inband_tags = inband_tags; ++ ++ param->enable_xattr = 1; ++ if (options.lazy_loading_overridden) ++ param->disable_lazy_load = !options.lazy_loading_enabled; ++ ++ param->defered_dir_update = 1; ++ ++ if (options.tags_ecc_overridden) ++ param->no_tags_ecc = !options.tags_ecc_on; ++ ++ param->empty_lost_n_found = 1; ++ param->refresh_period = 500; ++ param->disable_summary = options.disable_summary; ++ ++ ++#ifdef CONFIG_YAFFS_DISABLE_BAD_BLOCK_MARKING ++ param->disable_bad_block_marking = 1; ++#endif ++ if (options.empty_lost_and_found_overridden) ++ param->empty_lost_n_found = options.empty_lost_and_found; ++ ++ /* ... and the functions. */ ++ if (yaffs_version == 2) { ++ param->is_yaffs2 = 1; ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17)) ++ param->total_bytes_per_chunk = mtd->writesize; ++ param->chunks_per_block = mtd->erasesize / mtd->writesize; ++#else ++ param->total_bytes_per_chunk = mtd->oobblock; ++ param->chunks_per_block = mtd->erasesize / mtd->oobblock; ++#endif ++ n_blocks = YCALCBLOCKS(mtd->size, mtd->erasesize); ++ ++ param->start_block = 0; ++ param->end_block = n_blocks - 1; ++ } else { ++ param->is_yaffs2 = 0; ++ n_blocks = YCALCBLOCKS(mtd->size, ++ YAFFS_CHUNKS_PER_BLOCK * YAFFS_BYTES_PER_CHUNK); ++ ++ param->chunks_per_block = YAFFS_CHUNKS_PER_BLOCK; ++ param->total_bytes_per_chunk = YAFFS_BYTES_PER_CHUNK; ++ } ++ ++ param->start_block = 0; ++ param->end_block = n_blocks - 1; ++ ++ yaffs_mtd_drv_install(dev); ++ ++ param->sb_dirty_fn = yaffs_set_super_dirty; ++ param->gc_control_fn = yaffs_gc_control_callback; ++ ++ yaffs_dev_to_lc(dev)->super = sb; ++ ++ param->use_nand_ecc = 1; ++ ++ param->skip_checkpt_rd = options.skip_checkpoint_read; ++ param->skip_checkpt_wr = options.skip_checkpoint_write; ++ ++ mutex_lock(&yaffs_context_lock); ++ /* Get a mount id */ ++ found = 0; ++ for (mount_id = 0; !found; mount_id++) { ++ found = 1; ++ list_for_each(l, &yaffs_context_list) { ++ context_iterator = ++ list_entry(l, struct yaffs_linux_context, ++ context_list); ++ if (context_iterator->mount_id == mount_id) ++ found = 0; ++ } ++ } ++ context->mount_id = mount_id; ++ ++ list_add_tail(&(yaffs_dev_to_lc(dev)->context_list), ++ &yaffs_context_list); ++ mutex_unlock(&yaffs_context_lock); ++ ++ /* Directory search handling... */ ++ INIT_LIST_HEAD(&(yaffs_dev_to_lc(dev)->search_contexts)); ++ param->remove_obj_fn = yaffs_remove_obj_callback; ++ ++ mutex_init(&(yaffs_dev_to_lc(dev)->gross_lock)); ++ ++ yaffs_gross_lock(dev); ++ ++ err = yaffs_guts_initialise(dev); ++ ++ yaffs_trace(YAFFS_TRACE_OS, ++ "yaffs_read_super: guts initialised %s", ++ (err == YAFFS_OK) ? "OK" : "FAILED"); ++ ++ if (err == YAFFS_OK) ++ yaffs_bg_start(dev); ++ ++ if (!context->bg_thread) ++ param->defered_dir_update = 0; ++ ++ sb->s_maxbytes = yaffs_max_file_size(dev); ++ ++ /* Release lock before yaffs_get_inode() */ ++ yaffs_gross_unlock(dev); ++ ++ /* Create root inode */ ++ if (err == YAFFS_OK) ++ inode = yaffs_get_inode(sb, S_IFDIR | 0755, 0, yaffs_root(dev)); ++ ++ if (!inode) ++ return NULL; ++ ++ inode->i_op = &yaffs_dir_inode_operations; ++ inode->i_fop = &yaffs_dir_operations; ++ ++ yaffs_trace(YAFFS_TRACE_OS, "yaffs_read_super: got root inode"); ++ ++ root = yaffs_make_root(inode); ++ ++ if (!root) ++ return NULL; ++ ++ sb->s_root = root; ++ if(!dev->is_checkpointed) ++ yaffs_set_super_dirty(dev); ++ ++ yaffs_trace(YAFFS_TRACE_ALWAYS, ++ "yaffs_read_super: is_checkpointed %d", ++ dev->is_checkpointed); ++ ++ yaffs_trace(YAFFS_TRACE_OS, "yaffs_read_super: done"); ++ return sb; ++} ++ ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0)) ++static int yaffs_internal_read_super_mtd(struct super_block *sb, void *data, ++ int silent) ++{ ++ return yaffs_internal_read_super(1, sb, data, silent) ? 0 : -EINVAL; ++} ++ ++#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 39)) ++static struct dentry *yaffs_mount(struct file_system_type *fs_type, int flags, ++ const char *dev_name, void *data) ++{ ++ return mount_bdev(fs_type, flags, dev_name, data, yaffs_internal_read_super_mtd); ++} ++#elif (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17)) ++static int yaffs_read_super(struct file_system_type *fs, ++ int flags, const char *dev_name, ++ void *data, struct vfsmount *mnt) ++{ ++ ++ return get_sb_bdev(fs, flags, dev_name, data, ++ yaffs_internal_read_super_mtd, mnt); ++} ++#else ++static struct super_block *yaffs_read_super(struct file_system_type *fs, ++ int flags, const char *dev_name, ++ void *data) ++{ ++ ++ return get_sb_bdev(fs, flags, dev_name, data, ++ yaffs_internal_read_super_mtd); ++} ++#endif ++ ++static struct file_system_type yaffs_fs_type = { ++ .owner = THIS_MODULE, ++ .name = "yaffs", ++#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 39)) ++ .mount = yaffs_mount, ++#else ++ .get_sb = yaffs_read_super, ++#endif ++ .kill_sb = kill_block_super, ++ .fs_flags = FS_REQUIRES_DEV, ++}; ++#else ++static struct super_block *yaffs_read_super(struct super_block *sb, void *data, ++ int silent) ++{ ++ return yaffs_internal_read_super(1, sb, data, silent); ++} ++ ++static DECLARE_FSTYPE(yaffs_fs_type, "yaffs", yaffs_read_super, ++ FS_REQUIRES_DEV); ++#endif ++ ++ ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0)) ++static int yaffs2_internal_read_super_mtd(struct super_block *sb, void *data, ++ int silent) ++{ ++ return yaffs_internal_read_super(2, sb, data, silent) ? 0 : -EINVAL; ++} ++ ++#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 39)) ++static struct dentry *yaffs2_mount(struct file_system_type *fs_type, int flags, ++ const char *dev_name, void *data) ++{ ++ return mount_bdev(fs_type, flags, dev_name, data, yaffs2_internal_read_super_mtd); ++} ++#elif (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17)) ++static int yaffs2_read_super(struct file_system_type *fs, ++ int flags, const char *dev_name, void *data, ++ struct vfsmount *mnt) ++{ ++ return get_sb_bdev(fs, flags, dev_name, data, ++ yaffs2_internal_read_super_mtd, mnt); ++} ++#else ++static struct super_block *yaffs2_read_super(struct file_system_type *fs, ++ int flags, const char *dev_name, ++ void *data) ++{ ++ ++ return get_sb_bdev(fs, flags, dev_name, data, ++ yaffs2_internal_read_super_mtd); ++} ++#endif ++ ++static struct file_system_type yaffs2_fs_type = { ++ .owner = THIS_MODULE, ++ .name = "yaffs2", ++#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 39)) ++ .mount = yaffs2_mount, ++#else ++ .get_sb = yaffs2_read_super, ++#endif ++ .kill_sb = kill_block_super, ++ .fs_flags = FS_REQUIRES_DEV, ++}; ++#else ++static struct super_block *yaffs2_read_super(struct super_block *sb, ++ void *data, int silent) ++{ ++ return yaffs_internal_read_super(2, sb, data, silent); ++} ++ ++static DECLARE_FSTYPE(yaffs2_fs_type, "yaffs2", yaffs2_read_super, ++ FS_REQUIRES_DEV); ++#endif ++ ++ ++#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 9, 0)) ++static struct proc_dir_entry *my_proc_entry; ++ ++static char *yaffs_dump_dev_part0(char *buf, struct yaffs_dev *dev) ++{ ++ struct yaffs_param *param = &dev->param; ++ int bs[10]; ++ ++ yaffs_count_blocks_by_state(dev,bs); ++ ++ buf += sprintf(buf, "start_block.......... %d\n", param->start_block); ++ buf += sprintf(buf, "end_block............ %d\n", param->end_block); ++ buf += sprintf(buf, "total_bytes_per_chunk %d\n", ++ param->total_bytes_per_chunk); ++ buf += sprintf(buf, "use_nand_ecc......... %d\n", param->use_nand_ecc); ++ buf += sprintf(buf, "no_tags_ecc.......... %d\n", param->no_tags_ecc); ++ buf += sprintf(buf, "is_yaffs2............ %d\n", param->is_yaffs2); ++ buf += sprintf(buf, "inband_tags.......... %d\n", param->inband_tags); ++ buf += sprintf(buf, "empty_lost_n_found... %d\n", ++ param->empty_lost_n_found); ++ buf += sprintf(buf, "disable_lazy_load.... %d\n", ++ param->disable_lazy_load); ++ buf += sprintf(buf, "disable_bad_block_mrk %d\n", ++ param->disable_bad_block_marking); ++ buf += sprintf(buf, "refresh_period....... %d\n", ++ param->refresh_period); ++ buf += sprintf(buf, "n_caches............. %d\n", param->n_caches); ++ buf += sprintf(buf, "n_reserved_blocks.... %d\n", ++ param->n_reserved_blocks); ++ buf += sprintf(buf, "always_check_erased.. %d\n", ++ param->always_check_erased); ++ buf += sprintf(buf, "\n"); ++ buf += sprintf(buf, "block count by state\n"); ++ buf += sprintf(buf, "0:%d 1:%d 2:%d 3:%d 4:%d\n", ++ bs[0], bs[1], bs[2], bs[3], bs[4]); ++ buf += sprintf(buf, "5:%d 6:%d 7:%d 8:%d 9:%d\n", ++ bs[5], bs[6], bs[7], bs[8], bs[9]); ++ ++ return buf; ++} ++ ++static char *yaffs_dump_dev_part1(char *buf, struct yaffs_dev *dev) ++{ ++ buf += sprintf(buf, "max file size....... %lld\n", ++ (long long) yaffs_max_file_size(dev)); ++ buf += sprintf(buf, "data_bytes_per_chunk. %d\n", ++ dev->data_bytes_per_chunk); ++ buf += sprintf(buf, "chunk_grp_bits....... %d\n", dev->chunk_grp_bits); ++ buf += sprintf(buf, "chunk_grp_size....... %d\n", dev->chunk_grp_size); ++ buf += sprintf(buf, "n_erased_blocks...... %d\n", dev->n_erased_blocks); ++ buf += sprintf(buf, "blocks_in_checkpt.... %d\n", ++ dev->blocks_in_checkpt); ++ buf += sprintf(buf, "\n"); ++ buf += sprintf(buf, "n_tnodes............. %d\n", dev->n_tnodes); ++ buf += sprintf(buf, "n_obj................ %d\n", dev->n_obj); ++ buf += sprintf(buf, "n_free_chunks........ %d\n", dev->n_free_chunks); ++ buf += sprintf(buf, "\n"); ++ buf += sprintf(buf, "n_page_writes........ %u\n", dev->n_page_writes); ++ buf += sprintf(buf, "n_page_reads......... %u\n", dev->n_page_reads); ++ buf += sprintf(buf, "n_erasures........... %u\n", dev->n_erasures); ++ buf += sprintf(buf, "n_gc_copies.......... %u\n", dev->n_gc_copies); ++ buf += sprintf(buf, "all_gcs.............. %u\n", dev->all_gcs); ++ buf += sprintf(buf, "passive_gc_count..... %u\n", ++ dev->passive_gc_count); ++ buf += sprintf(buf, "oldest_dirty_gc_count %u\n", ++ dev->oldest_dirty_gc_count); ++ buf += sprintf(buf, "n_gc_blocks.......... %u\n", dev->n_gc_blocks); ++ buf += sprintf(buf, "bg_gcs............... %u\n", dev->bg_gcs); ++ buf += sprintf(buf, "n_retried_writes..... %u\n", ++ dev->n_retried_writes); ++ buf += sprintf(buf, "n_retired_blocks..... %u\n", ++ dev->n_retired_blocks); ++ buf += sprintf(buf, "n_ecc_fixed.......... %u\n", dev->n_ecc_fixed); ++ buf += sprintf(buf, "n_ecc_unfixed........ %u\n", dev->n_ecc_unfixed); ++ buf += sprintf(buf, "n_tags_ecc_fixed..... %u\n", ++ dev->n_tags_ecc_fixed); ++ buf += sprintf(buf, "n_tags_ecc_unfixed... %u\n", ++ dev->n_tags_ecc_unfixed); ++ buf += sprintf(buf, "cache_hits........... %u\n", dev->cache_hits); ++ buf += sprintf(buf, "n_deleted_files...... %u\n", dev->n_deleted_files); ++ buf += sprintf(buf, "n_unlinked_files..... %u\n", ++ dev->n_unlinked_files); ++ buf += sprintf(buf, "refresh_count........ %u\n", dev->refresh_count); ++ buf += sprintf(buf, "n_bg_deletions....... %u\n", dev->n_bg_deletions); ++ buf += sprintf(buf, "tags_used............ %u\n", dev->tags_used); ++ buf += sprintf(buf, "summary_used......... %u\n", dev->summary_used); ++ ++ return buf; ++} ++ ++static int yaffs_proc_read(char *page, ++ char **start, ++ off_t offset, int count, int *eof, void *data) ++{ ++ struct list_head *item; ++ char *buf = page; ++ int step = offset; ++ int n = 0; ++ ++ /* Get proc_file_read() to step 'offset' by one on each sucessive call. ++ * We use 'offset' (*ppos) to indicate where we are in dev_list. ++ * This also assumes the user has posted a read buffer large ++ * enough to hold the complete output; but that's life in /proc. ++ */ ++ ++ *(int *)start = 1; ++ ++ /* Print header first */ ++ if (step == 0) ++ buf += ++ sprintf(buf, ++ "Multi-version YAFFS built:" __DATE__ " " __TIME__ ++ "\n"); ++ else if (step == 1) ++ buf += sprintf(buf, "\n"); ++ else { ++ step -= 2; ++ ++ mutex_lock(&yaffs_context_lock); ++ ++ /* Locate and print the Nth entry. Order N-squared but N is small. */ ++ list_for_each(item, &yaffs_context_list) { ++ struct yaffs_linux_context *dc = ++ list_entry(item, struct yaffs_linux_context, ++ context_list); ++ struct yaffs_dev *dev = dc->dev; ++ ++ if (n < (step & ~1)) { ++ n += 2; ++ continue; ++ } ++ if ((step & 1) == 0) { ++ buf += ++ sprintf(buf, "\nDevice %d \"%s\"\n", n, ++ dev->param.name); ++ buf = yaffs_dump_dev_part0(buf, dev); ++ } else { ++ buf = yaffs_dump_dev_part1(buf, dev); ++ } ++ ++ break; ++ } ++ mutex_unlock(&yaffs_context_lock); ++ } ++ ++ return buf - page < count ? buf - page : count; ++} ++ ++/** ++ * Set the verbosity of the warnings and error messages. ++ * ++ * Note that the names can only be a..z or _ with the current code. ++ */ ++ ++static struct { ++ char *mask_name; ++ unsigned mask_bitfield; ++} mask_flags[] = { ++ {"allocate", YAFFS_TRACE_ALLOCATE}, ++ {"always", YAFFS_TRACE_ALWAYS}, ++ {"background", YAFFS_TRACE_BACKGROUND}, ++ {"bad_blocks", YAFFS_TRACE_BAD_BLOCKS}, ++ {"buffers", YAFFS_TRACE_BUFFERS}, ++ {"bug", YAFFS_TRACE_BUG}, ++ {"checkpt", YAFFS_TRACE_CHECKPOINT}, ++ {"deletion", YAFFS_TRACE_DELETION}, ++ {"erase", YAFFS_TRACE_ERASE}, ++ {"error", YAFFS_TRACE_ERROR}, ++ {"gc_detail", YAFFS_TRACE_GC_DETAIL}, ++ {"gc", YAFFS_TRACE_GC}, ++ {"lock", YAFFS_TRACE_LOCK}, ++ {"mtd", YAFFS_TRACE_MTD}, ++ {"nandaccess", YAFFS_TRACE_NANDACCESS}, ++ {"os", YAFFS_TRACE_OS}, ++ {"scan_debug", YAFFS_TRACE_SCAN_DEBUG}, ++ {"scan", YAFFS_TRACE_SCAN}, ++ {"mount", YAFFS_TRACE_MOUNT}, ++ {"tracing", YAFFS_TRACE_TRACING}, ++ {"sync", YAFFS_TRACE_SYNC}, ++ {"write", YAFFS_TRACE_WRITE}, ++ {"verify", YAFFS_TRACE_VERIFY}, ++ {"verify_nand", YAFFS_TRACE_VERIFY_NAND}, ++ {"verify_full", YAFFS_TRACE_VERIFY_FULL}, ++ {"verify_all", YAFFS_TRACE_VERIFY_ALL}, ++ {"all", 0xffffffff}, ++ {"none", 0}, ++ {NULL, 0}, ++}; ++ ++#define MAX_MASK_NAME_LENGTH 40 ++static int yaffs_proc_write_trace_options(struct file *file, const char *buf, ++ unsigned long count, void *data) ++{ ++ unsigned rg = 0, mask_bitfield; ++ char *end; ++ char *mask_name; ++ const char *x; ++ char substring[MAX_MASK_NAME_LENGTH + 1]; ++ int i; ++ int done = 0; ++ int add, len = 0; ++ int pos = 0; ++ ++ rg = yaffs_trace_mask; ++ ++ while (!done && (pos < count)) { ++ done = 1; ++ while ((pos < count) && isspace(buf[pos])) ++ pos++; ++ ++ switch (buf[pos]) { ++ case '+': ++ case '-': ++ case '=': ++ add = buf[pos]; ++ pos++; ++ break; ++ ++ default: ++ add = ' '; ++ break; ++ } ++ mask_name = NULL; ++ ++ mask_bitfield = simple_strtoul(buf + pos, &end, 0); ++ ++ if (end > buf + pos) { ++ mask_name = "numeral"; ++ len = end - (buf + pos); ++ pos += len; ++ done = 0; ++ } else { ++ for (x = buf + pos, i = 0; ++ (*x == '_' || (*x >= 'a' && *x <= 'z')) && ++ i < MAX_MASK_NAME_LENGTH; x++, i++, pos++) ++ substring[i] = *x; ++ substring[i] = '\0'; ++ ++ for (i = 0; mask_flags[i].mask_name != NULL; i++) { ++ if (strcmp(substring, mask_flags[i].mask_name) ++ == 0) { ++ mask_name = mask_flags[i].mask_name; ++ mask_bitfield = ++ mask_flags[i].mask_bitfield; ++ done = 0; ++ break; ++ } ++ } ++ } ++ ++ if (mask_name != NULL) { ++ done = 0; ++ switch (add) { ++ case '-': ++ rg &= ~mask_bitfield; ++ break; ++ case '+': ++ rg |= mask_bitfield; ++ break; ++ case '=': ++ rg = mask_bitfield; ++ break; ++ default: ++ rg |= mask_bitfield; ++ break; ++ } ++ } ++ } ++ ++ yaffs_trace_mask = rg | YAFFS_TRACE_ALWAYS; ++ ++ printk(KERN_DEBUG "new trace = 0x%08X\n", yaffs_trace_mask); ++ ++ if (rg & YAFFS_TRACE_ALWAYS) { ++ for (i = 0; mask_flags[i].mask_name != NULL; i++) { ++ char flag; ++ flag = ((rg & mask_flags[i].mask_bitfield) == ++ mask_flags[i].mask_bitfield) ? '+' : '-'; ++ printk(KERN_DEBUG "%c%s\n", flag, ++ mask_flags[i].mask_name); ++ } ++ } ++ ++ return count; ++} ++ ++/* Debug strings are of the form: ++ * .bnnn print info on block n ++ * .cobjn,chunkn print nand chunk id for objn:chunkn ++ */ ++ ++static int yaffs_proc_debug_write(struct file *file, const char *buf, ++ unsigned long count, void *data) ++{ ++ ++ char str[100]; ++ char *p0; ++ char *p1; ++ long p1_val; ++ long p0_val; ++ char cmd; ++ struct list_head *item; ++ ++ memset(str, 0, sizeof(str)); ++ memcpy(str, buf, min(count, sizeof(str) -1)); ++ ++ cmd = str[1]; ++ ++ p0 = str + 2; ++ ++ p1 = p0; ++ ++ while (*p1 && *p1 != ',') { ++ p1++; ++ } ++ *p1 = '\0'; ++ p1++; ++ ++ p0_val = simple_strtol(p0, NULL, 0); ++ p1_val = simple_strtol(p1, NULL, 0); ++ ++ ++ mutex_lock(&yaffs_context_lock); ++ ++ /* Locate and print the Nth entry. Order N-squared but N is small. */ ++ list_for_each(item, &yaffs_context_list) { ++ struct yaffs_linux_context *dc = ++ list_entry(item, struct yaffs_linux_context, ++ context_list); ++ struct yaffs_dev *dev = dc->dev; ++ ++ if (cmd == 'b') { ++ struct yaffs_block_info *bi; ++ ++ bi = yaffs_get_block_info(dev,p0_val); ++ ++ if(bi) { ++ printk("Block %d: state %d, retire %d, use %d, seq %d\n", ++ (int)p0_val, bi->block_state, ++ bi->needs_retiring, bi->pages_in_use, ++ bi->seq_number); ++ } ++ } else if (cmd == 'c') { ++ struct yaffs_obj *obj; ++ int nand_chunk; ++ ++ obj = yaffs_find_by_number(dev, p0_val); ++ if (!obj) ++ printk("No obj %d\n", (int)p0_val); ++ else { ++ if(p1_val == 0) ++ nand_chunk = obj->hdr_chunk; ++ else ++ nand_chunk = ++ yaffs_find_chunk_in_file(obj, ++ p1_val, NULL); ++ printk("Nand chunk for %d:%d is %d\n", ++ (int)p0_val, (int)p1_val, nand_chunk); ++ } ++ } ++ } ++ ++ mutex_unlock(&yaffs_context_lock); ++ ++ return count; ++} ++ ++static int yaffs_proc_write(struct file *file, const char *buf, ++ unsigned long count, void *data) ++{ ++ if (buf[0] == '.') ++ return yaffs_proc_debug_write(file, buf, count, data); ++ return yaffs_proc_write_trace_options(file, buf, count, data); ++} ++#endif /* (LINUX_VERSION_CODE < KERNEL_VERSION(3, 9, 0)) */ ++ ++/* Stuff to handle installation of file systems */ ++struct file_system_to_install { ++ struct file_system_type *fst; ++ int installed; ++}; ++ ++static struct file_system_to_install fs_to_install[] = { ++ {&yaffs_fs_type, 0}, ++ {&yaffs2_fs_type, 0}, ++ {NULL, 0} ++}; ++ ++static int __init init_yaffs_fs(void) ++{ ++ int error = 0; ++ struct file_system_to_install *fsinst; ++ ++ yaffs_trace(YAFFS_TRACE_ALWAYS, ++ "yaffs built " __DATE__ " " __TIME__ " Installing."); ++ ++ mutex_init(&yaffs_context_lock); ++ ++#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 9, 0)) ++ /* Install the proc_fs entries */ ++ my_proc_entry = create_proc_entry("yaffs", ++ S_IRUGO | S_IFREG, YPROC_ROOT); ++ ++ if (my_proc_entry) { ++ my_proc_entry->write_proc = yaffs_proc_write; ++ my_proc_entry->read_proc = yaffs_proc_read; ++ my_proc_entry->data = NULL; ++ } else { ++ return -ENOMEM; ++ } ++#endif ++ ++ /* Now add the file system entries */ ++ ++ fsinst = fs_to_install; ++ ++ while (fsinst->fst && !error) { ++ error = register_filesystem(fsinst->fst); ++ if (!error) ++ fsinst->installed = 1; ++ fsinst++; ++ } ++ ++ /* Any errors? uninstall */ ++ if (error) { ++ fsinst = fs_to_install; ++ ++ while (fsinst->fst) { ++ if (fsinst->installed) { ++ unregister_filesystem(fsinst->fst); ++ fsinst->installed = 0; ++ } ++ fsinst++; ++ } ++ } ++ ++ return error; ++} ++ ++static void __exit exit_yaffs_fs(void) ++{ ++ ++ struct file_system_to_install *fsinst; ++ ++ yaffs_trace(YAFFS_TRACE_ALWAYS, ++ "yaffs built " __DATE__ " " __TIME__ " removing."); ++ ++#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 9, 0)) ++ remove_proc_entry("yaffs", YPROC_ROOT); ++#endif ++ ++ fsinst = fs_to_install; ++ ++ while (fsinst->fst) { ++ if (fsinst->installed) { ++ unregister_filesystem(fsinst->fst); ++ fsinst->installed = 0; ++ } ++ fsinst++; ++ } ++} ++ ++module_init(init_yaffs_fs) ++ module_exit(exit_yaffs_fs) ++ ++ MODULE_DESCRIPTION("YAFFS2 - a NAND specific flash file system"); ++MODULE_AUTHOR("Charles Manning, Aleph One Ltd., 2002-2011"); ++MODULE_LICENSE("GPL"); +diff -Nur linux-3.15-rc5.orig/fs/yaffs2/yaffs_yaffs1.c linux-3.15-rc5/fs/yaffs2/yaffs_yaffs1.c +--- linux-3.15-rc5.orig/fs/yaffs2/yaffs_yaffs1.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-3.15-rc5/fs/yaffs2/yaffs_yaffs1.c 2014-05-17 01:53:27.000000000 +0200 +@@ -0,0 +1,422 @@ ++/* ++ * YAFFS: Yet Another Flash File System. A NAND-flash specific file system. ++ * ++ * Copyright (C) 2002-2011 Aleph One Ltd. ++ * for Toby Churchill Ltd and Brightstar Engineering ++ * ++ * Created by Charles Manning ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License version 2 as ++ * published by the Free Software Foundation. ++ */ ++ ++#include "yaffs_yaffs1.h" ++#include "yportenv.h" ++#include "yaffs_trace.h" ++#include "yaffs_bitmap.h" ++#include "yaffs_getblockinfo.h" ++#include "yaffs_nand.h" ++#include "yaffs_attribs.h" ++ ++int yaffs1_scan(struct yaffs_dev *dev) ++{ ++ struct yaffs_ext_tags tags; ++ int blk; ++ int result; ++ int chunk; ++ int c; ++ int deleted; ++ enum yaffs_block_state state; ++ LIST_HEAD(hard_list); ++ struct yaffs_block_info *bi; ++ u32 seq_number; ++ struct yaffs_obj_hdr *oh; ++ struct yaffs_obj *in; ++ struct yaffs_obj *parent; ++ int alloc_failed = 0; ++ struct yaffs_shadow_fixer *shadow_fixers = NULL; ++ u8 *chunk_data; ++ ++ yaffs_trace(YAFFS_TRACE_SCAN, ++ "yaffs1_scan starts intstartblk %d intendblk %d...", ++ dev->internal_start_block, dev->internal_end_block); ++ ++ chunk_data = yaffs_get_temp_buffer(dev); ++ ++ dev->seq_number = YAFFS_LOWEST_SEQUENCE_NUMBER; ++ ++ /* Scan all the blocks to determine their state */ ++ bi = dev->block_info; ++ for (blk = dev->internal_start_block; blk <= dev->internal_end_block; ++ blk++) { ++ yaffs_clear_chunk_bits(dev, blk); ++ bi->pages_in_use = 0; ++ bi->soft_del_pages = 0; ++ ++ yaffs_query_init_block_state(dev, blk, &state, &seq_number); ++ ++ bi->block_state = state; ++ bi->seq_number = seq_number; ++ ++ if (bi->seq_number == YAFFS_SEQUENCE_BAD_BLOCK) ++ bi->block_state = state = YAFFS_BLOCK_STATE_DEAD; ++ ++ yaffs_trace(YAFFS_TRACE_SCAN_DEBUG, ++ "Block scanning block %d state %d seq %d", ++ blk, state, seq_number); ++ ++ if (state == YAFFS_BLOCK_STATE_DEAD) { ++ yaffs_trace(YAFFS_TRACE_BAD_BLOCKS, ++ "block %d is bad", blk); ++ } else if (state == YAFFS_BLOCK_STATE_EMPTY) { ++ yaffs_trace(YAFFS_TRACE_SCAN_DEBUG, "Block empty "); ++ dev->n_erased_blocks++; ++ dev->n_free_chunks += dev->param.chunks_per_block; ++ } ++ bi++; ++ } ++ ++ /* For each block.... */ ++ for (blk = dev->internal_start_block; ++ !alloc_failed && blk <= dev->internal_end_block; blk++) { ++ ++ cond_resched(); ++ ++ bi = yaffs_get_block_info(dev, blk); ++ state = bi->block_state; ++ ++ deleted = 0; ++ ++ /* For each chunk in each block that needs scanning.... */ ++ for (c = 0; ++ !alloc_failed && c < dev->param.chunks_per_block && ++ state == YAFFS_BLOCK_STATE_NEEDS_SCAN; c++) { ++ /* Read the tags and decide what to do */ ++ chunk = blk * dev->param.chunks_per_block + c; ++ ++ result = yaffs_rd_chunk_tags_nand(dev, chunk, NULL, ++ &tags); ++ ++ /* Let's have a good look at this chunk... */ ++ ++ if (tags.ecc_result == YAFFS_ECC_RESULT_UNFIXED || ++ tags.is_deleted) { ++ /* YAFFS1 only... ++ * A deleted chunk ++ */ ++ deleted++; ++ dev->n_free_chunks++; ++ } else if (!tags.chunk_used) { ++ /* An unassigned chunk in the block ++ * This means that either the block is empty or ++ * this is the one being allocated from ++ */ ++ ++ if (c == 0) { ++ /* We're looking at the first chunk in ++ *the block so the block is unused */ ++ state = YAFFS_BLOCK_STATE_EMPTY; ++ dev->n_erased_blocks++; ++ } else { ++ /* this is the block being allocated */ ++ yaffs_trace(YAFFS_TRACE_SCAN, ++ " Allocating from %d %d", ++ blk, c); ++ state = YAFFS_BLOCK_STATE_ALLOCATING; ++ dev->alloc_block = blk; ++ dev->alloc_page = c; ++ dev->alloc_block_finder = blk; ++ ++ } ++ ++ dev->n_free_chunks += ++ (dev->param.chunks_per_block - c); ++ } else if (tags.chunk_id > 0) { ++ /* chunk_id > 0 so it is a data chunk... */ ++ unsigned int endpos; ++ ++ yaffs_set_chunk_bit(dev, blk, c); ++ bi->pages_in_use++; ++ ++ in = yaffs_find_or_create_by_number(dev, ++ tags.obj_id, ++ YAFFS_OBJECT_TYPE_FILE); ++ /* PutChunkIntoFile checks for a clash ++ * (two data chunks with the same chunk_id). ++ */ ++ ++ if (!in) ++ alloc_failed = 1; ++ ++ if (in) { ++ if (!yaffs_put_chunk_in_file ++ (in, tags.chunk_id, chunk, 1)) ++ alloc_failed = 1; ++ } ++ ++ endpos = ++ (tags.chunk_id - 1) * ++ dev->data_bytes_per_chunk + ++ tags.n_bytes; ++ if (in && ++ in->variant_type == ++ YAFFS_OBJECT_TYPE_FILE && ++ in->variant.file_variant.scanned_size < ++ endpos) { ++ in->variant.file_variant.scanned_size = ++ endpos; ++ if (!dev->param.use_header_file_size) { ++ in->variant. ++ file_variant.file_size = ++ in->variant. ++ file_variant.scanned_size; ++ } ++ ++ } ++ } else { ++ /* chunk_id == 0, so it is an ObjectHeader. ++ * Make the object ++ */ ++ yaffs_set_chunk_bit(dev, blk, c); ++ bi->pages_in_use++; ++ ++ result = yaffs_rd_chunk_tags_nand(dev, chunk, ++ chunk_data, ++ NULL); ++ ++ oh = (struct yaffs_obj_hdr *)chunk_data; ++ ++ in = yaffs_find_by_number(dev, tags.obj_id); ++ if (in && in->variant_type != oh->type) { ++ /* This should not happen, but somehow ++ * Wev'e ended up with an obj_id that ++ * has been reused but not yet deleted, ++ * and worse still it has changed type. ++ * Delete the old object. ++ */ ++ ++ yaffs_del_obj(in); ++ in = NULL; ++ } ++ ++ in = yaffs_find_or_create_by_number(dev, ++ tags.obj_id, ++ oh->type); ++ ++ if (!in) ++ alloc_failed = 1; ++ ++ if (in && oh->shadows_obj > 0) { ++ ++ struct yaffs_shadow_fixer *fixer; ++ fixer = ++ kmalloc(sizeof ++ (struct yaffs_shadow_fixer), ++ GFP_NOFS); ++ if (fixer) { ++ fixer->next = shadow_fixers; ++ shadow_fixers = fixer; ++ fixer->obj_id = tags.obj_id; ++ fixer->shadowed_id = ++ oh->shadows_obj; ++ yaffs_trace(YAFFS_TRACE_SCAN, ++ " Shadow fixer: %d shadows %d", ++ fixer->obj_id, ++ fixer->shadowed_id); ++ ++ } ++ ++ } ++ ++ if (in && in->valid) { ++ /* We have already filled this one. ++ * We have a duplicate and need to ++ * resolve it. */ ++ ++ unsigned existing_serial = in->serial; ++ unsigned new_serial = ++ tags.serial_number; ++ ++ if (((existing_serial + 1) & 3) == ++ new_serial) { ++ /* Use new one - destroy the ++ * exisiting one */ ++ yaffs_chunk_del(dev, ++ in->hdr_chunk, ++ 1, __LINE__); ++ in->valid = 0; ++ } else { ++ /* Use existing - destroy ++ * this one. */ ++ yaffs_chunk_del(dev, chunk, 1, ++ __LINE__); ++ } ++ } ++ ++ if (in && !in->valid && ++ (tags.obj_id == YAFFS_OBJECTID_ROOT || ++ tags.obj_id == ++ YAFFS_OBJECTID_LOSTNFOUND)) { ++ /* We only load some info, don't fiddle ++ * with directory structure */ ++ in->valid = 1; ++ in->variant_type = oh->type; ++ ++ in->yst_mode = oh->yst_mode; ++ yaffs_load_attribs(in, oh); ++ in->hdr_chunk = chunk; ++ in->serial = tags.serial_number; ++ ++ } else if (in && !in->valid) { ++ /* we need to load this info */ ++ ++ in->valid = 1; ++ in->variant_type = oh->type; ++ ++ in->yst_mode = oh->yst_mode; ++ yaffs_load_attribs(in, oh); ++ in->hdr_chunk = chunk; ++ in->serial = tags.serial_number; ++ ++ yaffs_set_obj_name_from_oh(in, oh); ++ in->dirty = 0; ++ ++ /* directory stuff... ++ * hook up to parent ++ */ ++ ++ parent = ++ yaffs_find_or_create_by_number ++ (dev, oh->parent_obj_id, ++ YAFFS_OBJECT_TYPE_DIRECTORY); ++ if (!parent) ++ alloc_failed = 1; ++ if (parent && parent->variant_type == ++ YAFFS_OBJECT_TYPE_UNKNOWN) { ++ /* Set up as a directory */ ++ parent->variant_type = ++ YAFFS_OBJECT_TYPE_DIRECTORY; ++ INIT_LIST_HEAD(&parent-> ++ variant.dir_variant. ++ children); ++ } else if (!parent || ++ parent->variant_type != ++ YAFFS_OBJECT_TYPE_DIRECTORY) { ++ /* Hoosterman, a problem.... ++ * We're trying to use a ++ * non-directory as a directory ++ */ ++ ++ yaffs_trace(YAFFS_TRACE_ERROR, ++ "yaffs tragedy: attempting to use non-directory as a directory in scan. Put in lost+found." ++ ); ++ parent = dev->lost_n_found; ++ } ++ ++ yaffs_add_obj_to_dir(parent, in); ++ ++ switch (in->variant_type) { ++ case YAFFS_OBJECT_TYPE_UNKNOWN: ++ /* Todo got a problem */ ++ break; ++ case YAFFS_OBJECT_TYPE_FILE: ++ if (dev->param. ++ use_header_file_size) ++ in->variant. ++ file_variant.file_size ++ = yaffs_oh_to_size(oh); ++ break; ++ case YAFFS_OBJECT_TYPE_HARDLINK: ++ in->variant. ++ hardlink_variant.equiv_id = ++ oh->equiv_id; ++ list_add(&in->hard_links, ++ &hard_list); ++ break; ++ case YAFFS_OBJECT_TYPE_DIRECTORY: ++ /* Do nothing */ ++ break; ++ case YAFFS_OBJECT_TYPE_SPECIAL: ++ /* Do nothing */ ++ break; ++ case YAFFS_OBJECT_TYPE_SYMLINK: ++ in->variant.symlink_variant. ++ alias = ++ yaffs_clone_str(oh->alias); ++ if (!in->variant. ++ symlink_variant.alias) ++ alloc_failed = 1; ++ break; ++ } ++ } ++ } ++ } ++ ++ if (state == YAFFS_BLOCK_STATE_NEEDS_SCAN) { ++ /* If we got this far while scanning, ++ * then the block is fully allocated. */ ++ state = YAFFS_BLOCK_STATE_FULL; ++ } ++ ++ if (state == YAFFS_BLOCK_STATE_ALLOCATING) { ++ /* If the block was partially allocated then ++ * treat it as fully allocated. */ ++ state = YAFFS_BLOCK_STATE_FULL; ++ dev->alloc_block = -1; ++ } ++ ++ bi->block_state = state; ++ ++ /* Now let's see if it was dirty */ ++ if (bi->pages_in_use == 0 && ++ !bi->has_shrink_hdr && ++ bi->block_state == YAFFS_BLOCK_STATE_FULL) ++ yaffs_block_became_dirty(dev, blk); ++ } ++ ++ /* Ok, we've done all the scanning. ++ * Fix up the hard link chains. ++ * We should now have scanned all the objects, now it's time to add ++ * these hardlinks. ++ */ ++ ++ yaffs_link_fixup(dev, &hard_list); ++ ++ /* ++ * Fix up any shadowed objects. ++ * There should not be more than one of these. ++ */ ++ { ++ struct yaffs_shadow_fixer *fixer; ++ struct yaffs_obj *obj; ++ ++ while (shadow_fixers) { ++ fixer = shadow_fixers; ++ shadow_fixers = fixer->next; ++ /* Complete the rename transaction by deleting the ++ * shadowed object then setting the object header ++ to unshadowed. ++ */ ++ obj = yaffs_find_by_number(dev, fixer->shadowed_id); ++ if (obj) ++ yaffs_del_obj(obj); ++ ++ obj = yaffs_find_by_number(dev, fixer->obj_id); ++ ++ if (obj) ++ yaffs_update_oh(obj, NULL, 1, 0, 0, NULL); ++ ++ kfree(fixer); ++ } ++ } ++ ++ yaffs_release_temp_buffer(dev, chunk_data); ++ ++ if (alloc_failed) ++ return YAFFS_FAIL; ++ ++ yaffs_trace(YAFFS_TRACE_SCAN, "yaffs1_scan ends"); ++ ++ return YAFFS_OK; ++} +diff -Nur linux-3.15-rc5.orig/fs/yaffs2/yaffs_yaffs1.h linux-3.15-rc5/fs/yaffs2/yaffs_yaffs1.h +--- linux-3.15-rc5.orig/fs/yaffs2/yaffs_yaffs1.h 1970-01-01 01:00:00.000000000 +0100 ++++ linux-3.15-rc5/fs/yaffs2/yaffs_yaffs1.h 2014-05-17 01:53:27.000000000 +0200 +@@ -0,0 +1,22 @@ ++/* ++ * YAFFS: Yet another Flash File System . A NAND-flash specific file system. ++ * ++ * Copyright (C) 2002-2011 Aleph One Ltd. ++ * for Toby Churchill Ltd and Brightstar Engineering ++ * ++ * Created by Charles Manning ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU Lesser General Public License version 2.1 as ++ * published by the Free Software Foundation. ++ * ++ * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL. ++ */ ++ ++#ifndef __YAFFS_YAFFS1_H__ ++#define __YAFFS_YAFFS1_H__ ++ ++#include "yaffs_guts.h" ++int yaffs1_scan(struct yaffs_dev *dev); ++ ++#endif +diff -Nur linux-3.15-rc5.orig/fs/yaffs2/yaffs_yaffs2.c linux-3.15-rc5/fs/yaffs2/yaffs_yaffs2.c +--- linux-3.15-rc5.orig/fs/yaffs2/yaffs_yaffs2.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-3.15-rc5/fs/yaffs2/yaffs_yaffs2.c 2014-05-17 01:53:27.000000000 +0200 +@@ -0,0 +1,1534 @@ ++/* ++ * YAFFS: Yet Another Flash File System. A NAND-flash specific file system. ++ * ++ * Copyright (C) 2002-2011 Aleph One Ltd. ++ * for Toby Churchill Ltd and Brightstar Engineering ++ * ++ * Created by Charles Manning ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License version 2 as ++ * published by the Free Software Foundation. ++ */ ++ ++#include "yaffs_guts.h" ++#include "yaffs_trace.h" ++#include "yaffs_yaffs2.h" ++#include "yaffs_checkptrw.h" ++#include "yaffs_bitmap.h" ++#include "yaffs_nand.h" ++#include "yaffs_getblockinfo.h" ++#include "yaffs_verify.h" ++#include "yaffs_attribs.h" ++#include "yaffs_summary.h" ++ ++/* ++ * Checkpoints are really no benefit on very small partitions. ++ * ++ * To save space on small partitions don't bother with checkpoints unless ++ * the partition is at least this big. ++ */ ++#define YAFFS_CHECKPOINT_MIN_BLOCKS 60 ++#define YAFFS_SMALL_HOLE_THRESHOLD 4 ++ ++/* ++ * Oldest Dirty Sequence Number handling. ++ */ ++ ++/* yaffs_calc_oldest_dirty_seq() ++ * yaffs2_find_oldest_dirty_seq() ++ * Calculate the oldest dirty sequence number if we don't know it. ++ */ ++void yaffs_calc_oldest_dirty_seq(struct yaffs_dev *dev) ++{ ++ int i; ++ unsigned seq; ++ unsigned block_no = 0; ++ struct yaffs_block_info *b; ++ ++ if (!dev->param.is_yaffs2) ++ return; ++ ++ /* Find the oldest dirty sequence number. */ ++ seq = dev->seq_number + 1; ++ b = dev->block_info; ++ for (i = dev->internal_start_block; i <= dev->internal_end_block; i++) { ++ if (b->block_state == YAFFS_BLOCK_STATE_FULL && ++ (b->pages_in_use - b->soft_del_pages) < ++ dev->param.chunks_per_block && ++ b->seq_number < seq) { ++ seq = b->seq_number; ++ block_no = i; ++ } ++ b++; ++ } ++ ++ if (block_no) { ++ dev->oldest_dirty_seq = seq; ++ dev->oldest_dirty_block = block_no; ++ } ++} ++ ++void yaffs2_find_oldest_dirty_seq(struct yaffs_dev *dev) ++{ ++ if (!dev->param.is_yaffs2) ++ return; ++ ++ if (!dev->oldest_dirty_seq) ++ yaffs_calc_oldest_dirty_seq(dev); ++} ++ ++/* ++ * yaffs_clear_oldest_dirty_seq() ++ * Called when a block is erased or marked bad. (ie. when its seq_number ++ * becomes invalid). If the value matches the oldest then we clear ++ * dev->oldest_dirty_seq to force its recomputation. ++ */ ++void yaffs2_clear_oldest_dirty_seq(struct yaffs_dev *dev, ++ struct yaffs_block_info *bi) ++{ ++ ++ if (!dev->param.is_yaffs2) ++ return; ++ ++ if (!bi || bi->seq_number == dev->oldest_dirty_seq) { ++ dev->oldest_dirty_seq = 0; ++ dev->oldest_dirty_block = 0; ++ } ++} ++ ++/* ++ * yaffs2_update_oldest_dirty_seq() ++ * Update the oldest dirty sequence number whenever we dirty a block. ++ * Only do this if the oldest_dirty_seq is actually being tracked. ++ */ ++void yaffs2_update_oldest_dirty_seq(struct yaffs_dev *dev, unsigned block_no, ++ struct yaffs_block_info *bi) ++{ ++ if (!dev->param.is_yaffs2) ++ return; ++ ++ if (dev->oldest_dirty_seq) { ++ if (dev->oldest_dirty_seq > bi->seq_number) { ++ dev->oldest_dirty_seq = bi->seq_number; ++ dev->oldest_dirty_block = block_no; ++ } ++ } ++} ++ ++int yaffs_block_ok_for_gc(struct yaffs_dev *dev, struct yaffs_block_info *bi) ++{ ++ ++ if (!dev->param.is_yaffs2) ++ return 1; /* disqualification only applies to yaffs2. */ ++ ++ if (!bi->has_shrink_hdr) ++ return 1; /* can gc */ ++ ++ yaffs2_find_oldest_dirty_seq(dev); ++ ++ /* Can't do gc of this block if there are any blocks older than this ++ * one that have discarded pages. ++ */ ++ return (bi->seq_number <= dev->oldest_dirty_seq); ++} ++ ++/* ++ * yaffs2_find_refresh_block() ++ * periodically finds the oldest full block by sequence number for refreshing. ++ * Only for yaffs2. ++ */ ++u32 yaffs2_find_refresh_block(struct yaffs_dev *dev) ++{ ++ u32 b; ++ u32 oldest = 0; ++ u32 oldest_seq = 0; ++ struct yaffs_block_info *bi; ++ ++ if (!dev->param.is_yaffs2) ++ return oldest; ++ ++ /* ++ * If refresh period < 10 then refreshing is disabled. ++ */ ++ if (dev->param.refresh_period < 10) ++ return oldest; ++ ++ /* ++ * Fix broken values. ++ */ ++ if (dev->refresh_skip > dev->param.refresh_period) ++ dev->refresh_skip = dev->param.refresh_period; ++ ++ if (dev->refresh_skip > 0) ++ return oldest; ++ ++ /* ++ * Refresh skip is now zero. ++ * We'll do a refresh this time around.... ++ * Update the refresh skip and find the oldest block. ++ */ ++ dev->refresh_skip = dev->param.refresh_period; ++ dev->refresh_count++; ++ bi = dev->block_info; ++ for (b = dev->internal_start_block; b <= dev->internal_end_block; b++) { ++ ++ if (bi->block_state == YAFFS_BLOCK_STATE_FULL) { ++ ++ if (oldest < 1 || bi->seq_number < oldest_seq) { ++ oldest = b; ++ oldest_seq = bi->seq_number; ++ } ++ } ++ bi++; ++ } ++ ++ if (oldest > 0) { ++ yaffs_trace(YAFFS_TRACE_GC, ++ "GC refresh count %d selected block %d with seq_number %d", ++ dev->refresh_count, oldest, oldest_seq); ++ } ++ ++ return oldest; ++} ++ ++int yaffs2_checkpt_required(struct yaffs_dev *dev) ++{ ++ int nblocks; ++ ++ if (!dev->param.is_yaffs2) ++ return 0; ++ ++ nblocks = dev->internal_end_block - dev->internal_start_block + 1; ++ ++ return !dev->param.skip_checkpt_wr && ++ !dev->read_only && (nblocks >= YAFFS_CHECKPOINT_MIN_BLOCKS); ++} ++ ++int yaffs_calc_checkpt_blocks_required(struct yaffs_dev *dev) ++{ ++ int retval; ++ int n_bytes = 0; ++ int n_blocks; ++ int dev_blocks; ++ ++ if (!dev->param.is_yaffs2) ++ return 0; ++ ++ if (!dev->checkpoint_blocks_required && yaffs2_checkpt_required(dev)) { ++ /* Not a valid value so recalculate */ ++ dev_blocks = dev->param.end_block - dev->param.start_block + 1; ++ n_bytes += sizeof(struct yaffs_checkpt_validity); ++ n_bytes += sizeof(struct yaffs_checkpt_dev); ++ n_bytes += dev_blocks * sizeof(struct yaffs_block_info); ++ n_bytes += dev_blocks * dev->chunk_bit_stride; ++ n_bytes += ++ (sizeof(struct yaffs_checkpt_obj) + sizeof(u32)) * ++ dev->n_obj; ++ n_bytes += (dev->tnode_size + sizeof(u32)) * dev->n_tnodes; ++ n_bytes += sizeof(struct yaffs_checkpt_validity); ++ n_bytes += sizeof(u32); /* checksum */ ++ ++ /* Round up and add 2 blocks to allow for some bad blocks, ++ * so add 3 */ ++ ++ n_blocks = ++ (n_bytes / ++ (dev->data_bytes_per_chunk * ++ dev->param.chunks_per_block)) + 3; ++ ++ dev->checkpoint_blocks_required = n_blocks; ++ } ++ ++ retval = dev->checkpoint_blocks_required - dev->blocks_in_checkpt; ++ if (retval < 0) ++ retval = 0; ++ return retval; ++} ++ ++/*--------------------- Checkpointing --------------------*/ ++ ++static int yaffs2_wr_checkpt_validity_marker(struct yaffs_dev *dev, int head) ++{ ++ struct yaffs_checkpt_validity cp; ++ ++ memset(&cp, 0, sizeof(cp)); ++ ++ cp.struct_type = sizeof(cp); ++ cp.magic = YAFFS_MAGIC; ++ cp.version = YAFFS_CHECKPOINT_VERSION; ++ cp.head = (head) ? 1 : 0; ++ ++ return (yaffs2_checkpt_wr(dev, &cp, sizeof(cp)) == sizeof(cp)) ? 1 : 0; ++} ++ ++static int yaffs2_rd_checkpt_validity_marker(struct yaffs_dev *dev, int head) ++{ ++ struct yaffs_checkpt_validity cp; ++ int ok; ++ ++ ok = (yaffs2_checkpt_rd(dev, &cp, sizeof(cp)) == sizeof(cp)); ++ ++ if (ok) ++ ok = (cp.struct_type == sizeof(cp)) && ++ (cp.magic == YAFFS_MAGIC) && ++ (cp.version == YAFFS_CHECKPOINT_VERSION) && ++ (cp.head == ((head) ? 1 : 0)); ++ return ok ? 1 : 0; ++} ++ ++static void yaffs2_dev_to_checkpt_dev(struct yaffs_checkpt_dev *cp, ++ struct yaffs_dev *dev) ++{ ++ cp->n_erased_blocks = dev->n_erased_blocks; ++ cp->alloc_block = dev->alloc_block; ++ cp->alloc_page = dev->alloc_page; ++ cp->n_free_chunks = dev->n_free_chunks; ++ ++ cp->n_deleted_files = dev->n_deleted_files; ++ cp->n_unlinked_files = dev->n_unlinked_files; ++ cp->n_bg_deletions = dev->n_bg_deletions; ++ cp->seq_number = dev->seq_number; ++ ++} ++ ++static void yaffs_checkpt_dev_to_dev(struct yaffs_dev *dev, ++ struct yaffs_checkpt_dev *cp) ++{ ++ dev->n_erased_blocks = cp->n_erased_blocks; ++ dev->alloc_block = cp->alloc_block; ++ dev->alloc_page = cp->alloc_page; ++ dev->n_free_chunks = cp->n_free_chunks; ++ ++ dev->n_deleted_files = cp->n_deleted_files; ++ dev->n_unlinked_files = cp->n_unlinked_files; ++ dev->n_bg_deletions = cp->n_bg_deletions; ++ dev->seq_number = cp->seq_number; ++} ++ ++static int yaffs2_wr_checkpt_dev(struct yaffs_dev *dev) ++{ ++ struct yaffs_checkpt_dev cp; ++ u32 n_bytes; ++ u32 n_blocks = dev->internal_end_block - dev->internal_start_block + 1; ++ int ok; ++ ++ /* Write device runtime values */ ++ yaffs2_dev_to_checkpt_dev(&cp, dev); ++ cp.struct_type = sizeof(cp); ++ ++ ok = (yaffs2_checkpt_wr(dev, &cp, sizeof(cp)) == sizeof(cp)); ++ if (!ok) ++ return 0; ++ ++ /* Write block info */ ++ n_bytes = n_blocks * sizeof(struct yaffs_block_info); ++ ok = (yaffs2_checkpt_wr(dev, dev->block_info, n_bytes) == n_bytes); ++ if (!ok) ++ return 0; ++ ++ /* Write chunk bits */ ++ n_bytes = n_blocks * dev->chunk_bit_stride; ++ ok = (yaffs2_checkpt_wr(dev, dev->chunk_bits, n_bytes) == n_bytes); ++ ++ return ok ? 1 : 0; ++} ++ ++static int yaffs2_rd_checkpt_dev(struct yaffs_dev *dev) ++{ ++ struct yaffs_checkpt_dev cp; ++ u32 n_bytes; ++ u32 n_blocks = ++ (dev->internal_end_block - dev->internal_start_block + 1); ++ int ok; ++ ++ ok = (yaffs2_checkpt_rd(dev, &cp, sizeof(cp)) == sizeof(cp)); ++ if (!ok) ++ return 0; ++ ++ if (cp.struct_type != sizeof(cp)) ++ return 0; ++ ++ yaffs_checkpt_dev_to_dev(dev, &cp); ++ ++ n_bytes = n_blocks * sizeof(struct yaffs_block_info); ++ ++ ok = (yaffs2_checkpt_rd(dev, dev->block_info, n_bytes) == n_bytes); ++ ++ if (!ok) ++ return 0; ++ ++ n_bytes = n_blocks * dev->chunk_bit_stride; ++ ++ ok = (yaffs2_checkpt_rd(dev, dev->chunk_bits, n_bytes) == n_bytes); ++ ++ return ok ? 1 : 0; ++} ++ ++static void yaffs2_obj_checkpt_obj(struct yaffs_checkpt_obj *cp, ++ struct yaffs_obj *obj) ++{ ++ cp->obj_id = obj->obj_id; ++ cp->parent_id = (obj->parent) ? obj->parent->obj_id : 0; ++ cp->hdr_chunk = obj->hdr_chunk; ++ cp->variant_type = obj->variant_type; ++ cp->deleted = obj->deleted; ++ cp->soft_del = obj->soft_del; ++ cp->unlinked = obj->unlinked; ++ cp->fake = obj->fake; ++ cp->rename_allowed = obj->rename_allowed; ++ cp->unlink_allowed = obj->unlink_allowed; ++ cp->serial = obj->serial; ++ cp->n_data_chunks = obj->n_data_chunks; ++ ++ if (obj->variant_type == YAFFS_OBJECT_TYPE_FILE) ++ cp->size_or_equiv_obj = obj->variant.file_variant.file_size; ++ else if (obj->variant_type == YAFFS_OBJECT_TYPE_HARDLINK) ++ cp->size_or_equiv_obj = obj->variant.hardlink_variant.equiv_id; ++} ++ ++static int yaffs2_checkpt_obj_to_obj(struct yaffs_obj *obj, ++ struct yaffs_checkpt_obj *cp) ++{ ++ struct yaffs_obj *parent; ++ ++ if (obj->variant_type != cp->variant_type) { ++ yaffs_trace(YAFFS_TRACE_ERROR, ++ "Checkpoint read object %d type %d chunk %d does not match existing object type %d", ++ cp->obj_id, cp->variant_type, cp->hdr_chunk, ++ obj->variant_type); ++ return 0; ++ } ++ ++ obj->obj_id = cp->obj_id; ++ ++ if (cp->parent_id) ++ parent = yaffs_find_or_create_by_number(obj->my_dev, ++ cp->parent_id, ++ YAFFS_OBJECT_TYPE_DIRECTORY); ++ else ++ parent = NULL; ++ ++ if (parent) { ++ if (parent->variant_type != YAFFS_OBJECT_TYPE_DIRECTORY) { ++ yaffs_trace(YAFFS_TRACE_ALWAYS, ++ "Checkpoint read object %d parent %d type %d chunk %d Parent type, %d, not directory", ++ cp->obj_id, cp->parent_id, ++ cp->variant_type, cp->hdr_chunk, ++ parent->variant_type); ++ return 0; ++ } ++ yaffs_add_obj_to_dir(parent, obj); ++ } ++ ++ obj->hdr_chunk = cp->hdr_chunk; ++ obj->variant_type = cp->variant_type; ++ obj->deleted = cp->deleted; ++ obj->soft_del = cp->soft_del; ++ obj->unlinked = cp->unlinked; ++ obj->fake = cp->fake; ++ obj->rename_allowed = cp->rename_allowed; ++ obj->unlink_allowed = cp->unlink_allowed; ++ obj->serial = cp->serial; ++ obj->n_data_chunks = cp->n_data_chunks; ++ ++ if (obj->variant_type == YAFFS_OBJECT_TYPE_FILE) ++ obj->variant.file_variant.file_size = cp->size_or_equiv_obj; ++ else if (obj->variant_type == YAFFS_OBJECT_TYPE_HARDLINK) ++ obj->variant.hardlink_variant.equiv_id = cp->size_or_equiv_obj; ++ ++ if (obj->hdr_chunk > 0) ++ obj->lazy_loaded = 1; ++ return 1; ++} ++ ++static int yaffs2_checkpt_tnode_worker(struct yaffs_obj *in, ++ struct yaffs_tnode *tn, u32 level, ++ int chunk_offset) ++{ ++ int i; ++ struct yaffs_dev *dev = in->my_dev; ++ int ok = 1; ++ u32 base_offset; ++ ++ if (!tn) ++ return 1; ++ ++ if (level > 0) { ++ for (i = 0; i < YAFFS_NTNODES_INTERNAL && ok; i++) { ++ if (!tn->internal[i]) ++ continue; ++ ok = yaffs2_checkpt_tnode_worker(in, ++ tn->internal[i], ++ level - 1, ++ (chunk_offset << ++ YAFFS_TNODES_INTERNAL_BITS) + i); ++ } ++ return ok; ++ } ++ ++ /* Level 0 tnode */ ++ base_offset = chunk_offset << YAFFS_TNODES_LEVEL0_BITS; ++ ok = (yaffs2_checkpt_wr(dev, &base_offset, sizeof(base_offset)) == ++ sizeof(base_offset)); ++ if (ok) ++ ok = (yaffs2_checkpt_wr(dev, tn, dev->tnode_size) == ++ dev->tnode_size); ++ ++ return ok; ++} ++ ++static int yaffs2_wr_checkpt_tnodes(struct yaffs_obj *obj) ++{ ++ u32 end_marker = ~0; ++ int ok = 1; ++ ++ if (obj->variant_type != YAFFS_OBJECT_TYPE_FILE) ++ return ok; ++ ++ ok = yaffs2_checkpt_tnode_worker(obj, ++ obj->variant.file_variant.top, ++ obj->variant.file_variant. ++ top_level, 0); ++ if (ok) ++ ok = (yaffs2_checkpt_wr(obj->my_dev, &end_marker, ++ sizeof(end_marker)) == sizeof(end_marker)); ++ ++ return ok ? 1 : 0; ++} ++ ++static int yaffs2_rd_checkpt_tnodes(struct yaffs_obj *obj) ++{ ++ u32 base_chunk; ++ int ok = 1; ++ struct yaffs_dev *dev = obj->my_dev; ++ struct yaffs_file_var *file_stuct_ptr = &obj->variant.file_variant; ++ struct yaffs_tnode *tn; ++ int nread = 0; ++ ++ ok = (yaffs2_checkpt_rd(dev, &base_chunk, sizeof(base_chunk)) == ++ sizeof(base_chunk)); ++ ++ while (ok && (~base_chunk)) { ++ nread++; ++ /* Read level 0 tnode */ ++ ++ tn = yaffs_get_tnode(dev); ++ if (tn) ++ ok = (yaffs2_checkpt_rd(dev, tn, dev->tnode_size) == ++ dev->tnode_size); ++ else ++ ok = 0; ++ ++ if (tn && ok) ++ ok = yaffs_add_find_tnode_0(dev, ++ file_stuct_ptr, ++ base_chunk, tn) ? 1 : 0; ++ ++ if (ok) ++ ok = (yaffs2_checkpt_rd ++ (dev, &base_chunk, ++ sizeof(base_chunk)) == sizeof(base_chunk)); ++ } ++ ++ yaffs_trace(YAFFS_TRACE_CHECKPOINT, ++ "Checkpoint read tnodes %d records, last %d. ok %d", ++ nread, base_chunk, ok); ++ ++ return ok ? 1 : 0; ++} ++ ++static int yaffs2_wr_checkpt_objs(struct yaffs_dev *dev) ++{ ++ struct yaffs_obj *obj; ++ struct yaffs_checkpt_obj cp; ++ int i; ++ int ok = 1; ++ struct list_head *lh; ++ ++ /* Iterate through the objects in each hash entry, ++ * dumping them to the checkpointing stream. ++ */ ++ ++ for (i = 0; ok && i < YAFFS_NOBJECT_BUCKETS; i++) { ++ list_for_each(lh, &dev->obj_bucket[i].list) { ++ obj = list_entry(lh, struct yaffs_obj, hash_link); ++ if (!obj->defered_free) { ++ yaffs2_obj_checkpt_obj(&cp, obj); ++ cp.struct_type = sizeof(cp); ++ ++ yaffs_trace(YAFFS_TRACE_CHECKPOINT, ++ "Checkpoint write object %d parent %d type %d chunk %d obj addr %p", ++ cp.obj_id, cp.parent_id, ++ cp.variant_type, cp.hdr_chunk, obj); ++ ++ ok = (yaffs2_checkpt_wr(dev, &cp, ++ sizeof(cp)) == sizeof(cp)); ++ ++ if (ok && ++ obj->variant_type == ++ YAFFS_OBJECT_TYPE_FILE) ++ ok = yaffs2_wr_checkpt_tnodes(obj); ++ } ++ } ++ } ++ ++ /* Dump end of list */ ++ memset(&cp, 0xff, sizeof(struct yaffs_checkpt_obj)); ++ cp.struct_type = sizeof(cp); ++ ++ if (ok) ++ ok = (yaffs2_checkpt_wr(dev, &cp, sizeof(cp)) == sizeof(cp)); ++ ++ return ok ? 1 : 0; ++} ++ ++static int yaffs2_rd_checkpt_objs(struct yaffs_dev *dev) ++{ ++ struct yaffs_obj *obj; ++ struct yaffs_checkpt_obj cp; ++ int ok = 1; ++ int done = 0; ++ LIST_HEAD(hard_list); ++ ++ ++ while (ok && !done) { ++ ok = (yaffs2_checkpt_rd(dev, &cp, sizeof(cp)) == sizeof(cp)); ++ if (cp.struct_type != sizeof(cp)) { ++ yaffs_trace(YAFFS_TRACE_CHECKPOINT, ++ "struct size %d instead of %d ok %d", ++ cp.struct_type, (int)sizeof(cp), ok); ++ ok = 0; ++ } ++ ++ yaffs_trace(YAFFS_TRACE_CHECKPOINT, ++ "Checkpoint read object %d parent %d type %d chunk %d ", ++ cp.obj_id, cp.parent_id, cp.variant_type, ++ cp.hdr_chunk); ++ ++ if (ok && cp.obj_id == ~0) { ++ done = 1; ++ } else if (ok) { ++ obj = ++ yaffs_find_or_create_by_number(dev, cp.obj_id, ++ cp.variant_type); ++ if (obj) { ++ ok = yaffs2_checkpt_obj_to_obj(obj, &cp); ++ if (!ok) ++ break; ++ if (obj->variant_type == ++ YAFFS_OBJECT_TYPE_FILE) { ++ ok = yaffs2_rd_checkpt_tnodes(obj); ++ } else if (obj->variant_type == ++ YAFFS_OBJECT_TYPE_HARDLINK) { ++ list_add(&obj->hard_links, &hard_list); ++ } ++ } else { ++ ok = 0; ++ } ++ } ++ } ++ ++ if (ok) ++ yaffs_link_fixup(dev, &hard_list); ++ ++ return ok ? 1 : 0; ++} ++ ++static int yaffs2_wr_checkpt_sum(struct yaffs_dev *dev) ++{ ++ u32 checkpt_sum; ++ int ok; ++ ++ yaffs2_get_checkpt_sum(dev, &checkpt_sum); ++ ++ ok = (yaffs2_checkpt_wr(dev, &checkpt_sum, sizeof(checkpt_sum)) == ++ sizeof(checkpt_sum)); ++ ++ if (!ok) ++ return 0; ++ ++ return 1; ++} ++ ++static int yaffs2_rd_checkpt_sum(struct yaffs_dev *dev) ++{ ++ u32 checkpt_sum0; ++ u32 checkpt_sum1; ++ int ok; ++ ++ yaffs2_get_checkpt_sum(dev, &checkpt_sum0); ++ ++ ok = (yaffs2_checkpt_rd(dev, &checkpt_sum1, sizeof(checkpt_sum1)) == ++ sizeof(checkpt_sum1)); ++ ++ if (!ok) ++ return 0; ++ ++ if (checkpt_sum0 != checkpt_sum1) ++ return 0; ++ ++ return 1; ++} ++ ++static int yaffs2_wr_checkpt_data(struct yaffs_dev *dev) ++{ ++ int ok = 1; ++ ++ if (!yaffs2_checkpt_required(dev)) { ++ yaffs_trace(YAFFS_TRACE_CHECKPOINT, ++ "skipping checkpoint write"); ++ ok = 0; ++ } ++ ++ if (ok) ++ ok = yaffs2_checkpt_open(dev, 1); ++ ++ if (ok) { ++ yaffs_trace(YAFFS_TRACE_CHECKPOINT, ++ "write checkpoint validity"); ++ ok = yaffs2_wr_checkpt_validity_marker(dev, 1); ++ } ++ if (ok) { ++ yaffs_trace(YAFFS_TRACE_CHECKPOINT, ++ "write checkpoint device"); ++ ok = yaffs2_wr_checkpt_dev(dev); ++ } ++ if (ok) { ++ yaffs_trace(YAFFS_TRACE_CHECKPOINT, ++ "write checkpoint objects"); ++ ok = yaffs2_wr_checkpt_objs(dev); ++ } ++ if (ok) { ++ yaffs_trace(YAFFS_TRACE_CHECKPOINT, ++ "write checkpoint validity"); ++ ok = yaffs2_wr_checkpt_validity_marker(dev, 0); ++ } ++ ++ if (ok) ++ ok = yaffs2_wr_checkpt_sum(dev); ++ ++ if (!yaffs_checkpt_close(dev)) ++ ok = 0; ++ ++ if (ok) ++ dev->is_checkpointed = 1; ++ else ++ dev->is_checkpointed = 0; ++ ++ return dev->is_checkpointed; ++} ++ ++static int yaffs2_rd_checkpt_data(struct yaffs_dev *dev) ++{ ++ int ok = 1; ++ ++ if (!dev->param.is_yaffs2) ++ ok = 0; ++ ++ if (ok && dev->param.skip_checkpt_rd) { ++ yaffs_trace(YAFFS_TRACE_CHECKPOINT, ++ "skipping checkpoint read"); ++ ok = 0; ++ } ++ ++ if (ok) ++ ok = yaffs2_checkpt_open(dev, 0); /* open for read */ ++ ++ if (ok) { ++ yaffs_trace(YAFFS_TRACE_CHECKPOINT, ++ "read checkpoint validity"); ++ ok = yaffs2_rd_checkpt_validity_marker(dev, 1); ++ } ++ if (ok) { ++ yaffs_trace(YAFFS_TRACE_CHECKPOINT, ++ "read checkpoint device"); ++ ok = yaffs2_rd_checkpt_dev(dev); ++ } ++ if (ok) { ++ yaffs_trace(YAFFS_TRACE_CHECKPOINT, ++ "read checkpoint objects"); ++ ok = yaffs2_rd_checkpt_objs(dev); ++ } ++ if (ok) { ++ yaffs_trace(YAFFS_TRACE_CHECKPOINT, ++ "read checkpoint validity"); ++ ok = yaffs2_rd_checkpt_validity_marker(dev, 0); ++ } ++ ++ if (ok) { ++ ok = yaffs2_rd_checkpt_sum(dev); ++ yaffs_trace(YAFFS_TRACE_CHECKPOINT, ++ "read checkpoint checksum %d", ok); ++ } ++ ++ if (!yaffs_checkpt_close(dev)) ++ ok = 0; ++ ++ if (ok) ++ dev->is_checkpointed = 1; ++ else ++ dev->is_checkpointed = 0; ++ ++ return ok ? 1 : 0; ++} ++ ++void yaffs2_checkpt_invalidate(struct yaffs_dev *dev) ++{ ++ if (dev->is_checkpointed || dev->blocks_in_checkpt > 0) { ++ dev->is_checkpointed = 0; ++ yaffs2_checkpt_invalidate_stream(dev); ++ } ++ if (dev->param.sb_dirty_fn) ++ dev->param.sb_dirty_fn(dev); ++} ++ ++int yaffs_checkpoint_save(struct yaffs_dev *dev) ++{ ++ yaffs_trace(YAFFS_TRACE_CHECKPOINT, ++ "save entry: is_checkpointed %d", ++ dev->is_checkpointed); ++ ++ yaffs_verify_objects(dev); ++ yaffs_verify_blocks(dev); ++ yaffs_verify_free_chunks(dev); ++ ++ if (!dev->is_checkpointed) { ++ yaffs2_checkpt_invalidate(dev); ++ yaffs2_wr_checkpt_data(dev); ++ } ++ ++ yaffs_trace(YAFFS_TRACE_CHECKPOINT | YAFFS_TRACE_MOUNT, ++ "save exit: is_checkpointed %d", ++ dev->is_checkpointed); ++ ++ return dev->is_checkpointed; ++} ++ ++int yaffs2_checkpt_restore(struct yaffs_dev *dev) ++{ ++ int retval; ++ ++ yaffs_trace(YAFFS_TRACE_CHECKPOINT, ++ "restore entry: is_checkpointed %d", ++ dev->is_checkpointed); ++ ++ retval = yaffs2_rd_checkpt_data(dev); ++ ++ if (dev->is_checkpointed) { ++ yaffs_verify_objects(dev); ++ yaffs_verify_blocks(dev); ++ yaffs_verify_free_chunks(dev); ++ } ++ ++ yaffs_trace(YAFFS_TRACE_CHECKPOINT, ++ "restore exit: is_checkpointed %d", ++ dev->is_checkpointed); ++ ++ return retval; ++} ++ ++int yaffs2_handle_hole(struct yaffs_obj *obj, loff_t new_size) ++{ ++ /* if new_size > old_file_size. ++ * We're going to be writing a hole. ++ * If the hole is small then write zeros otherwise write a start ++ * of hole marker. ++ */ ++ loff_t old_file_size; ++ loff_t increase; ++ int small_hole; ++ int result = YAFFS_OK; ++ struct yaffs_dev *dev = NULL; ++ u8 *local_buffer = NULL; ++ int small_increase_ok = 0; ++ ++ if (!obj) ++ return YAFFS_FAIL; ++ ++ if (obj->variant_type != YAFFS_OBJECT_TYPE_FILE) ++ return YAFFS_FAIL; ++ ++ dev = obj->my_dev; ++ ++ /* Bail out if not yaffs2 mode */ ++ if (!dev->param.is_yaffs2) ++ return YAFFS_OK; ++ ++ old_file_size = obj->variant.file_variant.file_size; ++ ++ if (new_size <= old_file_size) ++ return YAFFS_OK; ++ ++ increase = new_size - old_file_size; ++ ++ if (increase < YAFFS_SMALL_HOLE_THRESHOLD * dev->data_bytes_per_chunk && ++ yaffs_check_alloc_available(dev, YAFFS_SMALL_HOLE_THRESHOLD + 1)) ++ small_hole = 1; ++ else ++ small_hole = 0; ++ ++ if (small_hole) ++ local_buffer = yaffs_get_temp_buffer(dev); ++ ++ if (local_buffer) { ++ /* fill hole with zero bytes */ ++ loff_t pos = old_file_size; ++ int this_write; ++ int written; ++ memset(local_buffer, 0, dev->data_bytes_per_chunk); ++ small_increase_ok = 1; ++ ++ while (increase > 0 && small_increase_ok) { ++ this_write = increase; ++ if (this_write > dev->data_bytes_per_chunk) ++ this_write = dev->data_bytes_per_chunk; ++ written = ++ yaffs_do_file_wr(obj, local_buffer, pos, this_write, ++ 0); ++ if (written == this_write) { ++ pos += this_write; ++ increase -= this_write; ++ } else { ++ small_increase_ok = 0; ++ } ++ } ++ ++ yaffs_release_temp_buffer(dev, local_buffer); ++ ++ /* If out of space then reverse any chunks we've added */ ++ if (!small_increase_ok) ++ yaffs_resize_file_down(obj, old_file_size); ++ } ++ ++ if (!small_increase_ok && ++ obj->parent && ++ obj->parent->obj_id != YAFFS_OBJECTID_UNLINKED && ++ obj->parent->obj_id != YAFFS_OBJECTID_DELETED) { ++ /* Write a hole start header with the old file size */ ++ yaffs_update_oh(obj, NULL, 0, 1, 0, NULL); ++ } ++ ++ return result; ++} ++ ++struct yaffs_block_index { ++ int seq; ++ int block; ++}; ++ ++static int yaffs2_ybicmp(const void *a, const void *b) ++{ ++ int aseq = ((struct yaffs_block_index *)a)->seq; ++ int bseq = ((struct yaffs_block_index *)b)->seq; ++ int ablock = ((struct yaffs_block_index *)a)->block; ++ int bblock = ((struct yaffs_block_index *)b)->block; ++ ++ if (aseq == bseq) ++ return ablock - bblock; ++ ++ return aseq - bseq; ++} ++ ++static inline int yaffs2_scan_chunk(struct yaffs_dev *dev, ++ struct yaffs_block_info *bi, ++ int blk, int chunk_in_block, ++ int *found_chunks, ++ u8 *chunk_data, ++ struct list_head *hard_list, ++ int summary_available) ++{ ++ struct yaffs_obj_hdr *oh; ++ struct yaffs_obj *in; ++ struct yaffs_obj *parent; ++ int equiv_id; ++ loff_t file_size; ++ int is_shrink; ++ int is_unlinked; ++ struct yaffs_ext_tags tags; ++ int result; ++ int alloc_failed = 0; ++ int chunk = blk * dev->param.chunks_per_block + chunk_in_block; ++ struct yaffs_file_var *file_var; ++ struct yaffs_hardlink_var *hl_var; ++ struct yaffs_symlink_var *sl_var; ++ ++ if (summary_available) { ++ result = yaffs_summary_fetch(dev, &tags, chunk_in_block); ++ tags.seq_number = bi->seq_number; ++ } ++ ++ if (!summary_available || tags.obj_id == 0) { ++ result = yaffs_rd_chunk_tags_nand(dev, chunk, NULL, &tags); ++ dev->tags_used++; ++ } else { ++ dev->summary_used++; ++ } ++ ++ /* Let's have a good look at this chunk... */ ++ ++ if (!tags.chunk_used) { ++ /* An unassigned chunk in the block. ++ * If there are used chunks after this one, then ++ * it is a chunk that was skipped due to failing ++ * the erased check. Just skip it so that it can ++ * be deleted. ++ * But, more typically, We get here when this is ++ * an unallocated chunk and his means that ++ * either the block is empty or this is the one ++ * being allocated from ++ */ ++ ++ if (*found_chunks) { ++ /* This is a chunk that was skipped due ++ * to failing the erased check */ ++ } else if (chunk_in_block == 0) { ++ /* We're looking at the first chunk in ++ * the block so the block is unused */ ++ bi->block_state = YAFFS_BLOCK_STATE_EMPTY; ++ dev->n_erased_blocks++; ++ } else { ++ if (bi->block_state == YAFFS_BLOCK_STATE_NEEDS_SCAN || ++ bi->block_state == YAFFS_BLOCK_STATE_ALLOCATING) { ++ if (dev->seq_number == bi->seq_number) { ++ /* Allocating from this block*/ ++ yaffs_trace(YAFFS_TRACE_SCAN, ++ " Allocating from %d %d", ++ blk, chunk_in_block); ++ ++ bi->block_state = ++ YAFFS_BLOCK_STATE_ALLOCATING; ++ dev->alloc_block = blk; ++ dev->alloc_page = chunk_in_block; ++ dev->alloc_block_finder = blk; ++ } else { ++ /* This is a partially written block ++ * that is not the current ++ * allocation block. ++ */ ++ yaffs_trace(YAFFS_TRACE_SCAN, ++ "Partially written block %d detected. gc will fix this.", ++ blk); ++ } ++ } ++ } ++ ++ dev->n_free_chunks++; ++ ++ } else if (tags.ecc_result == ++ YAFFS_ECC_RESULT_UNFIXED) { ++ yaffs_trace(YAFFS_TRACE_SCAN, ++ " Unfixed ECC in chunk(%d:%d), chunk ignored", ++ blk, chunk_in_block); ++ dev->n_free_chunks++; ++ } else if (tags.obj_id > YAFFS_MAX_OBJECT_ID || ++ tags.chunk_id > YAFFS_MAX_CHUNK_ID || ++ tags.obj_id == YAFFS_OBJECTID_SUMMARY || ++ (tags.chunk_id > 0 && ++ tags.n_bytes > dev->data_bytes_per_chunk) || ++ tags.seq_number != bi->seq_number) { ++ yaffs_trace(YAFFS_TRACE_SCAN, ++ "Chunk (%d:%d) with bad tags:obj = %d, chunk_id = %d, n_bytes = %d, ignored", ++ blk, chunk_in_block, tags.obj_id, ++ tags.chunk_id, tags.n_bytes); ++ dev->n_free_chunks++; ++ } else if (tags.chunk_id > 0) { ++ /* chunk_id > 0 so it is a data chunk... */ ++ loff_t endpos; ++ loff_t chunk_base = (tags.chunk_id - 1) * ++ dev->data_bytes_per_chunk; ++ ++ *found_chunks = 1; ++ ++ yaffs_set_chunk_bit(dev, blk, chunk_in_block); ++ bi->pages_in_use++; ++ ++ in = yaffs_find_or_create_by_number(dev, ++ tags.obj_id, ++ YAFFS_OBJECT_TYPE_FILE); ++ if (!in) ++ /* Out of memory */ ++ alloc_failed = 1; ++ ++ if (in && ++ in->variant_type == YAFFS_OBJECT_TYPE_FILE && ++ chunk_base < in->variant.file_variant.shrink_size) { ++ /* This has not been invalidated by ++ * a resize */ ++ if (!yaffs_put_chunk_in_file(in, tags.chunk_id, ++ chunk, -1)) ++ alloc_failed = 1; ++ ++ /* File size is calculated by looking at ++ * the data chunks if we have not ++ * seen an object header yet. ++ * Stop this practice once we find an ++ * object header. ++ */ ++ endpos = chunk_base + tags.n_bytes; ++ ++ if (!in->valid && ++ in->variant.file_variant.scanned_size < endpos) { ++ in->variant.file_variant. ++ scanned_size = endpos; ++ in->variant.file_variant. ++ file_size = endpos; ++ } ++ } else if (in) { ++ /* This chunk has been invalidated by a ++ * resize, or a past file deletion ++ * so delete the chunk*/ ++ yaffs_chunk_del(dev, chunk, 1, __LINE__); ++ } ++ } else { ++ /* chunk_id == 0, so it is an ObjectHeader. ++ * Thus, we read in the object header and make ++ * the object ++ */ ++ *found_chunks = 1; ++ ++ yaffs_set_chunk_bit(dev, blk, chunk_in_block); ++ bi->pages_in_use++; ++ ++ oh = NULL; ++ in = NULL; ++ ++ if (tags.extra_available) { ++ in = yaffs_find_or_create_by_number(dev, ++ tags.obj_id, ++ tags.extra_obj_type); ++ if (!in) ++ alloc_failed = 1; ++ } ++ ++ if (!in || ++ (!in->valid && dev->param.disable_lazy_load) || ++ tags.extra_shadows || ++ (!in->valid && (tags.obj_id == YAFFS_OBJECTID_ROOT || ++ tags.obj_id == YAFFS_OBJECTID_LOSTNFOUND))) { ++ ++ /* If we don't have valid info then we ++ * need to read the chunk ++ * TODO In future we can probably defer ++ * reading the chunk and living with ++ * invalid data until needed. ++ */ ++ ++ result = yaffs_rd_chunk_tags_nand(dev, ++ chunk, ++ chunk_data, ++ NULL); ++ ++ oh = (struct yaffs_obj_hdr *)chunk_data; ++ ++ if (dev->param.inband_tags) { ++ /* Fix up the header if they got ++ * corrupted by inband tags */ ++ oh->shadows_obj = ++ oh->inband_shadowed_obj_id; ++ oh->is_shrink = ++ oh->inband_is_shrink; ++ } ++ ++ if (!in) { ++ in = yaffs_find_or_create_by_number(dev, ++ tags.obj_id, oh->type); ++ if (!in) ++ alloc_failed = 1; ++ } ++ } ++ ++ if (!in) { ++ /* TODO Hoosterman we have a problem! */ ++ yaffs_trace(YAFFS_TRACE_ERROR, ++ "yaffs tragedy: Could not make object for object %d at chunk %d during scan", ++ tags.obj_id, chunk); ++ return YAFFS_FAIL; ++ } ++ ++ if (in->valid) { ++ /* We have already filled this one. ++ * We have a duplicate that will be ++ * discarded, but we first have to suck ++ * out resize info if it is a file. ++ */ ++ if ((in->variant_type == YAFFS_OBJECT_TYPE_FILE) && ++ ((oh && oh->type == YAFFS_OBJECT_TYPE_FILE) || ++ (tags.extra_available && ++ tags.extra_obj_type == YAFFS_OBJECT_TYPE_FILE) ++ )) { ++ loff_t this_size = (oh) ? ++ yaffs_oh_to_size(oh) : ++ tags.extra_file_size; ++ u32 parent_obj_id = (oh) ? ++ oh->parent_obj_id : ++ tags.extra_parent_id; ++ ++ is_shrink = (oh) ? ++ oh->is_shrink : ++ tags.extra_is_shrink; ++ ++ /* If it is deleted (unlinked ++ * at start also means deleted) ++ * we treat the file size as ++ * being zeroed at this point. ++ */ ++ if (parent_obj_id == YAFFS_OBJECTID_DELETED || ++ parent_obj_id == YAFFS_OBJECTID_UNLINKED) { ++ this_size = 0; ++ is_shrink = 1; ++ } ++ ++ if (is_shrink && ++ in->variant.file_variant.shrink_size > ++ this_size) ++ in->variant.file_variant.shrink_size = ++ this_size; ++ ++ if (is_shrink) ++ bi->has_shrink_hdr = 1; ++ } ++ /* Use existing - destroy this one. */ ++ yaffs_chunk_del(dev, chunk, 1, __LINE__); ++ } ++ ++ if (!in->valid && in->variant_type != ++ (oh ? oh->type : tags.extra_obj_type)) { ++ yaffs_trace(YAFFS_TRACE_ERROR, ++ "yaffs tragedy: Bad type, %d != %d, for object %d at chunk %d during scan", ++ oh ? oh->type : tags.extra_obj_type, ++ in->variant_type, tags.obj_id, ++ chunk); ++ in = yaffs_retype_obj(in, oh ? oh->type : tags.extra_obj_type); ++ } ++ ++ if (!in->valid && ++ (tags.obj_id == YAFFS_OBJECTID_ROOT || ++ tags.obj_id == YAFFS_OBJECTID_LOSTNFOUND)) { ++ /* We only load some info, don't fiddle ++ * with directory structure */ ++ in->valid = 1; ++ ++ if (oh) { ++ in->yst_mode = oh->yst_mode; ++ yaffs_load_attribs(in, oh); ++ in->lazy_loaded = 0; ++ } else { ++ in->lazy_loaded = 1; ++ } ++ in->hdr_chunk = chunk; ++ ++ } else if (!in->valid) { ++ /* we need to load this info */ ++ in->valid = 1; ++ in->hdr_chunk = chunk; ++ if (oh) { ++ in->variant_type = oh->type; ++ in->yst_mode = oh->yst_mode; ++ yaffs_load_attribs(in, oh); ++ ++ if (oh->shadows_obj > 0) ++ yaffs_handle_shadowed_obj(dev, ++ oh->shadows_obj, 1); ++ ++ yaffs_set_obj_name_from_oh(in, oh); ++ parent = yaffs_find_or_create_by_number(dev, ++ oh->parent_obj_id, ++ YAFFS_OBJECT_TYPE_DIRECTORY); ++ file_size = yaffs_oh_to_size(oh); ++ is_shrink = oh->is_shrink; ++ equiv_id = oh->equiv_id; ++ } else { ++ in->variant_type = tags.extra_obj_type; ++ parent = yaffs_find_or_create_by_number(dev, ++ tags.extra_parent_id, ++ YAFFS_OBJECT_TYPE_DIRECTORY); ++ file_size = tags.extra_file_size; ++ is_shrink = tags.extra_is_shrink; ++ equiv_id = tags.extra_equiv_id; ++ in->lazy_loaded = 1; ++ } ++ in->dirty = 0; ++ ++ if (!parent) ++ alloc_failed = 1; ++ ++ /* directory stuff... ++ * hook up to parent ++ */ ++ ++ if (parent && ++ parent->variant_type == YAFFS_OBJECT_TYPE_UNKNOWN) { ++ /* Set up as a directory */ ++ parent->variant_type = ++ YAFFS_OBJECT_TYPE_DIRECTORY; ++ INIT_LIST_HEAD(&parent-> ++ variant.dir_variant.children); ++ } else if (!parent || ++ parent->variant_type != ++ YAFFS_OBJECT_TYPE_DIRECTORY) { ++ /* Hoosterman, another problem.... ++ * Trying to use a non-directory as a directory ++ */ ++ ++ yaffs_trace(YAFFS_TRACE_ERROR, ++ "yaffs tragedy: attempting to use non-directory as a directory in scan. Put in lost+found." ++ ); ++ parent = dev->lost_n_found; ++ } ++ yaffs_add_obj_to_dir(parent, in); ++ ++ is_unlinked = (parent == dev->del_dir) || ++ (parent == dev->unlinked_dir); ++ ++ if (is_shrink) ++ /* Mark the block */ ++ bi->has_shrink_hdr = 1; ++ ++ /* Note re hardlinks. ++ * Since we might scan a hardlink before its equivalent ++ * object is scanned we put them all in a list. ++ * After scanning is complete, we should have all the ++ * objects, so we run through this list and fix up all ++ * the chains. ++ */ ++ ++ switch (in->variant_type) { ++ case YAFFS_OBJECT_TYPE_UNKNOWN: ++ /* Todo got a problem */ ++ break; ++ case YAFFS_OBJECT_TYPE_FILE: ++ file_var = &in->variant.file_variant; ++ if (file_var->scanned_size < file_size) { ++ /* This covers the case where the file ++ * size is greater than the data held. ++ * This will happen if the file is ++ * resized to be larger than its ++ * current data extents. ++ */ ++ file_var->file_size = file_size; ++ file_var->scanned_size = file_size; ++ } ++ ++ if (file_var->shrink_size > file_size) ++ file_var->shrink_size = file_size; ++ ++ break; ++ case YAFFS_OBJECT_TYPE_HARDLINK: ++ hl_var = &in->variant.hardlink_variant; ++ if (!is_unlinked) { ++ hl_var->equiv_id = equiv_id; ++ list_add(&in->hard_links, hard_list); ++ } ++ break; ++ case YAFFS_OBJECT_TYPE_DIRECTORY: ++ /* Do nothing */ ++ break; ++ case YAFFS_OBJECT_TYPE_SPECIAL: ++ /* Do nothing */ ++ break; ++ case YAFFS_OBJECT_TYPE_SYMLINK: ++ sl_var = &in->variant.symlink_variant; ++ if (oh) { ++ sl_var->alias = ++ yaffs_clone_str(oh->alias); ++ if (!sl_var->alias) ++ alloc_failed = 1; ++ } ++ break; ++ } ++ } ++ } ++ return alloc_failed ? YAFFS_FAIL : YAFFS_OK; ++} ++ ++int yaffs2_scan_backwards(struct yaffs_dev *dev) ++{ ++ int blk; ++ int block_iter; ++ int start_iter; ++ int end_iter; ++ int n_to_scan = 0; ++ enum yaffs_block_state state; ++ int c; ++ int deleted; ++ LIST_HEAD(hard_list); ++ struct yaffs_block_info *bi; ++ u32 seq_number; ++ int n_blocks = dev->internal_end_block - dev->internal_start_block + 1; ++ u8 *chunk_data; ++ int found_chunks; ++ int alloc_failed = 0; ++ struct yaffs_block_index *block_index = NULL; ++ int alt_block_index = 0; ++ int summary_available; ++ ++ yaffs_trace(YAFFS_TRACE_SCAN, ++ "yaffs2_scan_backwards starts intstartblk %d intendblk %d...", ++ dev->internal_start_block, dev->internal_end_block); ++ ++ dev->seq_number = YAFFS_LOWEST_SEQUENCE_NUMBER; ++ ++ block_index = ++ kmalloc(n_blocks * sizeof(struct yaffs_block_index), GFP_NOFS); ++ ++ if (!block_index) { ++ block_index = ++ vmalloc(n_blocks * sizeof(struct yaffs_block_index)); ++ alt_block_index = 1; ++ } ++ ++ if (!block_index) { ++ yaffs_trace(YAFFS_TRACE_SCAN, ++ "yaffs2_scan_backwards() could not allocate block index!" ++ ); ++ return YAFFS_FAIL; ++ } ++ ++ dev->blocks_in_checkpt = 0; ++ ++ chunk_data = yaffs_get_temp_buffer(dev); ++ ++ /* Scan all the blocks to determine their state */ ++ bi = dev->block_info; ++ for (blk = dev->internal_start_block; blk <= dev->internal_end_block; ++ blk++) { ++ yaffs_clear_chunk_bits(dev, blk); ++ bi->pages_in_use = 0; ++ bi->soft_del_pages = 0; ++ ++ yaffs_query_init_block_state(dev, blk, &state, &seq_number); ++ ++ bi->block_state = state; ++ bi->seq_number = seq_number; ++ ++ if (bi->seq_number == YAFFS_SEQUENCE_CHECKPOINT_DATA) ++ bi->block_state = YAFFS_BLOCK_STATE_CHECKPOINT; ++ if (bi->seq_number == YAFFS_SEQUENCE_BAD_BLOCK) ++ bi->block_state = YAFFS_BLOCK_STATE_DEAD; ++ ++ yaffs_trace(YAFFS_TRACE_SCAN_DEBUG, ++ "Block scanning block %d state %d seq %d", ++ blk, bi->block_state, seq_number); ++ ++ if (bi->block_state == YAFFS_BLOCK_STATE_CHECKPOINT) { ++ dev->blocks_in_checkpt++; ++ ++ } else if (bi->block_state == YAFFS_BLOCK_STATE_DEAD) { ++ yaffs_trace(YAFFS_TRACE_BAD_BLOCKS, ++ "block %d is bad", blk); ++ } else if (bi->block_state == YAFFS_BLOCK_STATE_EMPTY) { ++ yaffs_trace(YAFFS_TRACE_SCAN_DEBUG, "Block empty "); ++ dev->n_erased_blocks++; ++ dev->n_free_chunks += dev->param.chunks_per_block; ++ } else if (bi->block_state == ++ YAFFS_BLOCK_STATE_NEEDS_SCAN) { ++ /* Determine the highest sequence number */ ++ if (seq_number >= YAFFS_LOWEST_SEQUENCE_NUMBER && ++ seq_number < YAFFS_HIGHEST_SEQUENCE_NUMBER) { ++ block_index[n_to_scan].seq = seq_number; ++ block_index[n_to_scan].block = blk; ++ n_to_scan++; ++ if (seq_number >= dev->seq_number) ++ dev->seq_number = seq_number; ++ } else { ++ /* TODO: Nasty sequence number! */ ++ yaffs_trace(YAFFS_TRACE_SCAN, ++ "Block scanning block %d has bad sequence number %d", ++ blk, seq_number); ++ } ++ } ++ bi++; ++ } ++ ++ yaffs_trace(YAFFS_TRACE_ALWAYS, "%d blocks to be sorted...", n_to_scan); ++ ++ cond_resched(); ++ ++ /* Sort the blocks by sequence number */ ++ sort(block_index, n_to_scan, sizeof(struct yaffs_block_index), ++ yaffs2_ybicmp, NULL); ++ ++ cond_resched(); ++ ++ yaffs_trace(YAFFS_TRACE_SCAN, "...done"); ++ ++ /* Now scan the blocks looking at the data. */ ++ start_iter = 0; ++ end_iter = n_to_scan - 1; ++ yaffs_trace(YAFFS_TRACE_SCAN_DEBUG, "%d blocks to scan", n_to_scan); ++ ++ /* For each block.... backwards */ ++ for (block_iter = end_iter; ++ !alloc_failed && block_iter >= start_iter; ++ block_iter--) { ++ /* Cooperative multitasking! This loop can run for so ++ long that watchdog timers expire. */ ++ cond_resched(); ++ ++ /* get the block to scan in the correct order */ ++ blk = block_index[block_iter].block; ++ bi = yaffs_get_block_info(dev, blk); ++ deleted = 0; ++ ++ summary_available = yaffs_summary_read(dev, dev->sum_tags, blk); ++ ++ /* For each chunk in each block that needs scanning.... */ ++ found_chunks = 0; ++ if (summary_available) ++ c = dev->chunks_per_summary - 1; ++ else ++ c = dev->param.chunks_per_block - 1; ++ ++ for (/* c is already initialised */; ++ !alloc_failed && c >= 0 && ++ (bi->block_state == YAFFS_BLOCK_STATE_NEEDS_SCAN || ++ bi->block_state == YAFFS_BLOCK_STATE_ALLOCATING); ++ c--) { ++ /* Scan backwards... ++ * Read the tags and decide what to do ++ */ ++ if (yaffs2_scan_chunk(dev, bi, blk, c, ++ &found_chunks, chunk_data, ++ &hard_list, summary_available) == ++ YAFFS_FAIL) ++ alloc_failed = 1; ++ } ++ ++ if (bi->block_state == YAFFS_BLOCK_STATE_NEEDS_SCAN) { ++ /* If we got this far while scanning, then the block ++ * is fully allocated. */ ++ bi->block_state = YAFFS_BLOCK_STATE_FULL; ++ } ++ ++ /* Now let's see if it was dirty */ ++ if (bi->pages_in_use == 0 && ++ !bi->has_shrink_hdr && ++ bi->block_state == YAFFS_BLOCK_STATE_FULL) { ++ yaffs_block_became_dirty(dev, blk); ++ } ++ } ++ ++ yaffs_skip_rest_of_block(dev); ++ ++ if (alt_block_index) ++ vfree(block_index); ++ else ++ kfree(block_index); ++ ++ /* Ok, we've done all the scanning. ++ * Fix up the hard link chains. ++ * We have scanned all the objects, now it's time to add these ++ * hardlinks. ++ */ ++ yaffs_link_fixup(dev, &hard_list); ++ ++ yaffs_release_temp_buffer(dev, chunk_data); ++ ++ if (alloc_failed) ++ return YAFFS_FAIL; ++ ++ yaffs_trace(YAFFS_TRACE_SCAN, "yaffs2_scan_backwards ends"); ++ ++ return YAFFS_OK; ++} +diff -Nur linux-3.15-rc5.orig/fs/yaffs2/yaffs_yaffs2.h linux-3.15-rc5/fs/yaffs2/yaffs_yaffs2.h +--- linux-3.15-rc5.orig/fs/yaffs2/yaffs_yaffs2.h 1970-01-01 01:00:00.000000000 +0100 ++++ linux-3.15-rc5/fs/yaffs2/yaffs_yaffs2.h 2014-05-17 01:53:27.000000000 +0200 +@@ -0,0 +1,39 @@ ++/* ++ * YAFFS: Yet another Flash File System . A NAND-flash specific file system. ++ * ++ * Copyright (C) 2002-2011 Aleph One Ltd. ++ * for Toby Churchill Ltd and Brightstar Engineering ++ * ++ * Created by Charles Manning ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU Lesser General Public License version 2.1 as ++ * published by the Free Software Foundation. ++ * ++ * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL. ++ */ ++ ++#ifndef __YAFFS_YAFFS2_H__ ++#define __YAFFS_YAFFS2_H__ ++ ++#include "yaffs_guts.h" ++ ++void yaffs_calc_oldest_dirty_seq(struct yaffs_dev *dev); ++void yaffs2_find_oldest_dirty_seq(struct yaffs_dev *dev); ++void yaffs2_clear_oldest_dirty_seq(struct yaffs_dev *dev, ++ struct yaffs_block_info *bi); ++void yaffs2_update_oldest_dirty_seq(struct yaffs_dev *dev, unsigned block_no, ++ struct yaffs_block_info *bi); ++int yaffs_block_ok_for_gc(struct yaffs_dev *dev, struct yaffs_block_info *bi); ++u32 yaffs2_find_refresh_block(struct yaffs_dev *dev); ++int yaffs2_checkpt_required(struct yaffs_dev *dev); ++int yaffs_calc_checkpt_blocks_required(struct yaffs_dev *dev); ++ ++void yaffs2_checkpt_invalidate(struct yaffs_dev *dev); ++int yaffs2_checkpt_save(struct yaffs_dev *dev); ++int yaffs2_checkpt_restore(struct yaffs_dev *dev); ++ ++int yaffs2_handle_hole(struct yaffs_obj *obj, loff_t new_size); ++int yaffs2_scan_backwards(struct yaffs_dev *dev); ++ ++#endif +diff -Nur linux-3.15-rc5.orig/fs/yaffs2/yportenv.h linux-3.15-rc5/fs/yaffs2/yportenv.h +--- linux-3.15-rc5.orig/fs/yaffs2/yportenv.h 1970-01-01 01:00:00.000000000 +0100 ++++ linux-3.15-rc5/fs/yaffs2/yportenv.h 2014-05-17 01:53:27.000000000 +0200 +@@ -0,0 +1,85 @@ ++/* ++ * YAFFS: Yet another Flash File System . A NAND-flash specific file system. ++ * ++ * Copyright (C) 2002-2011 Aleph One Ltd. ++ * for Toby Churchill Ltd and Brightstar Engineering ++ * ++ * Created by Charles Manning ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU Lesser General Public License version 2.1 as ++ * published by the Free Software Foundation. ++ * ++ * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL. ++ */ ++ ++#ifndef __YPORTENV_H__ ++#define __YPORTENV_H__ ++ ++/* ++ * Define the MTD version in terms of Linux Kernel versions ++ * This allows yaffs to be used independantly of the kernel ++ * as well as with it. ++ */ ++ ++#define MTD_VERSION(a, b, c) (((a) << 16) + ((b) << 8) + (c)) ++ ++#ifdef YAFFS_OUT_OF_TREE ++#include "moduleconfig.h" ++#endif ++ ++#include ++#define MTD_VERSION_CODE LINUX_VERSION_CODE ++ ++#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 19)) ++#include ++#endif ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++ ++/* These type wrappings are used to support Unicode names in WinCE. */ ++#define YCHAR char ++#define YUCHAR unsigned char ++#define _Y(x) x ++ ++#define YAFFS_LOSTNFOUND_NAME "lost+found" ++#define YAFFS_LOSTNFOUND_PREFIX "obj" ++ ++ ++#define YAFFS_ROOT_MODE 0755 ++#define YAFFS_LOSTNFOUND_MODE 0700 ++ ++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0)) ++#define Y_CURRENT_TIME CURRENT_TIME.tv_sec ++#define Y_TIME_CONVERT(x) (x).tv_sec ++#else ++#define Y_CURRENT_TIME CURRENT_TIME ++#define Y_TIME_CONVERT(x) (x) ++#endif ++ ++#define compile_time_assertion(assertion) \ ++ ({ int x = __builtin_choose_expr(assertion, 0, (void)0); (void) x; }) ++ ++ ++#define yaffs_printf(msk, fmt, ...) \ ++ printk(KERN_DEBUG "yaffs: " fmt "\n", ##__VA_ARGS__) ++ ++#define yaffs_trace(msk, fmt, ...) do { \ ++ if (yaffs_trace_mask & (msk)) \ ++ printk(KERN_DEBUG "yaffs: " fmt "\n", ##__VA_ARGS__); \ ++} while (0) ++ ++ ++#endif diff --git a/target/linux/patches/3.15-rc7/zlib-inflate.patch b/target/linux/patches/3.15-rc7/zlib-inflate.patch new file mode 100644 index 000000000..58e1f6d21 --- /dev/null +++ b/target/linux/patches/3.15-rc7/zlib-inflate.patch @@ -0,0 +1,12 @@ +diff -Nur linux-2.6.37.orig/lib/Kconfig linux-2.6.37/lib/Kconfig +--- linux-2.6.37.orig/lib/Kconfig 2011-01-05 01:50:19.000000000 +0100 ++++ linux-2.6.37/lib/Kconfig 2011-03-01 20:10:29.833370667 +0100 +@@ -95,7 +95,7 @@ + # compression support is select'ed if needed + # + config ZLIB_INFLATE +- tristate ++ boolean + + config ZLIB_DEFLATE + tristate diff --git a/target/mips/mikrotik-rb532/patches/3.15-rc6/rb532-pci.patch b/target/mips/mikrotik-rb532/patches/3.15-rc6/rb532-pci.patch deleted file mode 100644 index 173e49c35..000000000 --- a/target/mips/mikrotik-rb532/patches/3.15-rc6/rb532-pci.patch +++ /dev/null @@ -1,11 +0,0 @@ -diff -Nur linux-3.15-rc5.orig/arch/mips/pci/pci-rc32434.c linux-3.15-rc5/arch/mips/pci/pci-rc32434.c ---- linux-3.15-rc5.orig/arch/mips/pci/pci-rc32434.c 2014-05-09 22:10:52.000000000 +0200 -+++ linux-3.15-rc5/arch/mips/pci/pci-rc32434.c 2014-05-16 10:38:10.000000000 +0200 -@@ -53,7 +53,6 @@ - .start = 0x50000000, - .end = 0x5FFFFFFF, - .flags = IORESOURCE_MEM, -- .parent = &rc32434_res_pci_mem1, - .sibling = NULL, - .child = &rc32434_res_pci_mem2 - }; diff --git a/target/mips/mikrotik-rb532/patches/3.15-rc6/rb532-serial.patch b/target/mips/mikrotik-rb532/patches/3.15-rc6/rb532-serial.patch deleted file mode 100644 index 6c6951895..000000000 --- a/target/mips/mikrotik-rb532/patches/3.15-rc6/rb532-serial.patch +++ /dev/null @@ -1,15 +0,0 @@ -diff -Nur linux-3.15-rc5.orig/drivers/tty/serial/serial_core.c linux-3.15-rc5/drivers/tty/serial/serial_core.c ---- linux-3.15-rc5.orig/drivers/tty/serial/serial_core.c 2014-05-09 22:10:52.000000000 +0200 -+++ linux-3.15-rc5/drivers/tty/serial/serial_core.c 2014-05-20 10:30:52.000000000 +0200 -@@ -2686,9 +2686,10 @@ - - /* - * If the port is used as a console, unregister it -- */ -+ * DISABLE: breaks serial console on rb532 - if (uart_console(uport)) - unregister_console(uport->cons); -+ */ - - /* - * Free the port IO and memory resources, if any. diff --git a/target/mips/mikrotik-rb532/patches/3.15-rc7/rb532-pci.patch b/target/mips/mikrotik-rb532/patches/3.15-rc7/rb532-pci.patch new file mode 100644 index 000000000..173e49c35 --- /dev/null +++ b/target/mips/mikrotik-rb532/patches/3.15-rc7/rb532-pci.patch @@ -0,0 +1,11 @@ +diff -Nur linux-3.15-rc5.orig/arch/mips/pci/pci-rc32434.c linux-3.15-rc5/arch/mips/pci/pci-rc32434.c +--- linux-3.15-rc5.orig/arch/mips/pci/pci-rc32434.c 2014-05-09 22:10:52.000000000 +0200 ++++ linux-3.15-rc5/arch/mips/pci/pci-rc32434.c 2014-05-16 10:38:10.000000000 +0200 +@@ -53,7 +53,6 @@ + .start = 0x50000000, + .end = 0x5FFFFFFF, + .flags = IORESOURCE_MEM, +- .parent = &rc32434_res_pci_mem1, + .sibling = NULL, + .child = &rc32434_res_pci_mem2 + }; diff --git a/target/mips/mikrotik-rb532/patches/3.15-rc7/rb532-serial.patch b/target/mips/mikrotik-rb532/patches/3.15-rc7/rb532-serial.patch new file mode 100644 index 000000000..6c6951895 --- /dev/null +++ b/target/mips/mikrotik-rb532/patches/3.15-rc7/rb532-serial.patch @@ -0,0 +1,15 @@ +diff -Nur linux-3.15-rc5.orig/drivers/tty/serial/serial_core.c linux-3.15-rc5/drivers/tty/serial/serial_core.c +--- linux-3.15-rc5.orig/drivers/tty/serial/serial_core.c 2014-05-09 22:10:52.000000000 +0200 ++++ linux-3.15-rc5/drivers/tty/serial/serial_core.c 2014-05-20 10:30:52.000000000 +0200 +@@ -2686,9 +2686,10 @@ + + /* + * If the port is used as a console, unregister it +- */ ++ * DISABLE: breaks serial console on rb532 + if (uart_console(uport)) + unregister_console(uport->cons); ++ */ + + /* + * Free the port IO and memory resources, if any. -- cgit v1.2.3