diff options
Diffstat (limited to 'include')
141 files changed, 4340 insertions, 919 deletions
diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h index 636c59f2003..c13c919ab99 100644 --- a/include/acpi/acpi_bus.h +++ b/include/acpi/acpi_bus.h @@ -382,6 +382,7 @@ const char *acpi_power_state_string(int state); int acpi_device_get_power(struct acpi_device *device, int *state); int acpi_device_set_power(struct acpi_device *device, int state); int acpi_bus_init_power(struct acpi_device *device); +int acpi_device_fix_up_power(struct acpi_device *device); int acpi_bus_update_power(acpi_handle handle, int *state_p); bool acpi_bus_power_manageable(acpi_handle handle); diff --git a/include/acpi/acpi_drivers.h b/include/acpi/acpi_drivers.h index e6168a24b9f..b420939f5eb 100644 --- a/include/acpi/acpi_drivers.h +++ b/include/acpi/acpi_drivers.h @@ -123,7 +123,9 @@ extern int register_dock_notifier(struct notifier_block *nb); extern void unregister_dock_notifier(struct notifier_block *nb); extern int register_hotplug_dock_device(acpi_handle handle, const struct acpi_dock_ops *ops, - void *context); + void *context, + void (*init)(void *), + void (*release)(void *)); extern void unregister_hotplug_dock_device(acpi_handle handle); #else static inline int is_dock_device(acpi_handle handle) @@ -139,7 +141,9 @@ static inline void unregister_dock_notifier(struct notifier_block *nb) } static inline int register_hotplug_dock_device(acpi_handle handle, const struct acpi_dock_ops *ops, - void *context) + void *context, + void (*init)(void *), + void (*release)(void *)) { return -ENODEV; } diff --git a/include/asm-generic/kvm_para.h b/include/asm-generic/kvm_para.h index 9d96605f160..fa25becbdca 100644 --- a/include/asm-generic/kvm_para.h +++ b/include/asm-generic/kvm_para.h @@ -18,4 +18,9 @@ static inline unsigned int kvm_arch_para_features(void) return 0; } +static inline bool kvm_para_available(void) +{ + return false; +} + #endif diff --git a/include/asm-generic/mutex-dec.h b/include/asm-generic/mutex-dec.h index f104af7cf43..d4f9fb4e53d 100644 --- a/include/asm-generic/mutex-dec.h +++ b/include/asm-generic/mutex-dec.h @@ -28,17 +28,15 @@ __mutex_fastpath_lock(atomic_t *count, void (*fail_fn)(atomic_t *)) * __mutex_fastpath_lock_retval - try to take the lock by moving the count * from 1 to a 0 value * @count: pointer of type atomic_t - * @fail_fn: function to call if the original value was not 1 * - * Change the count from 1 to a value lower than 1, and call <fail_fn> if - * it wasn't 1 originally. This function returns 0 if the fastpath succeeds, - * or anything the slow path function returns. + * Change the count from 1 to a value lower than 1. This function returns 0 + * if the fastpath succeeds, or -1 otherwise. */ static inline int -__mutex_fastpath_lock_retval(atomic_t *count, int (*fail_fn)(atomic_t *)) +__mutex_fastpath_lock_retval(atomic_t *count) { if (unlikely(atomic_dec_return(count) < 0)) - return fail_fn(count); + return -1; return 0; } diff --git a/include/asm-generic/mutex-null.h b/include/asm-generic/mutex-null.h index e1bbbc72b6a..61069ed334e 100644 --- a/include/asm-generic/mutex-null.h +++ b/include/asm-generic/mutex-null.h @@ -11,7 +11,7 @@ #define _ASM_GENERIC_MUTEX_NULL_H #define __mutex_fastpath_lock(count, fail_fn) fail_fn(count) -#define __mutex_fastpath_lock_retval(count, fail_fn) fail_fn(count) +#define __mutex_fastpath_lock_retval(count) (-1) #define __mutex_fastpath_unlock(count, fail_fn) fail_fn(count) #define __mutex_fastpath_trylock(count, fail_fn) fail_fn(count) #define __mutex_slowpath_needs_to_unlock() 1 diff --git a/include/asm-generic/mutex-xchg.h b/include/asm-generic/mutex-xchg.h index c04e0db8a2d..f169ec06478 100644 --- a/include/asm-generic/mutex-xchg.h +++ b/include/asm-generic/mutex-xchg.h @@ -39,18 +39,16 @@ __mutex_fastpath_lock(atomic_t *count, void (*fail_fn)(atomic_t *)) * __mutex_fastpath_lock_retval - try to take the lock by moving the count * from 1 to a 0 value * @count: pointer of type atomic_t - * @fail_fn: function to call if the original value was not 1 * - * Change the count from 1 to a value lower than 1, and call <fail_fn> if it - * wasn't 1 originally. This function returns 0 if the fastpath succeeds, - * or anything the slow path function returns + * Change the count from 1 to a value lower than 1. This function returns 0 + * if the fastpath succeeds, or -1 otherwise. */ static inline int -__mutex_fastpath_lock_retval(atomic_t *count, int (*fail_fn)(atomic_t *)) +__mutex_fastpath_lock_retval(atomic_t *count) { if (unlikely(atomic_xchg(count, 0) != 1)) if (likely(atomic_xchg(count, -1) != 1)) - return fail_fn(count); + return -1; return 0; } diff --git a/include/asm-generic/pgtable.h b/include/asm-generic/pgtable.h index a59ff51b016..b1836987d50 100644 --- a/include/asm-generic/pgtable.h +++ b/include/asm-generic/pgtable.h @@ -692,4 +692,8 @@ static inline pmd_t pmd_mknuma(pmd_t pmd) #endif /* !__ASSEMBLY__ */ +#ifndef io_remap_pfn_range +#define io_remap_pfn_range remap_pfn_range +#endif + #endif /* _ASM_GENERIC_PGTABLE_H */ diff --git a/include/asm-generic/uaccess.h b/include/asm-generic/uaccess.h index c184aa8ec8c..dc1269c74a5 100644 --- a/include/asm-generic/uaccess.h +++ b/include/asm-generic/uaccess.h @@ -163,7 +163,7 @@ static inline __must_check long __copy_to_user(void __user *to, #define put_user(x, ptr) \ ({ \ - might_sleep(); \ + might_fault(); \ access_ok(VERIFY_WRITE, ptr, sizeof(*ptr)) ? \ __put_user(x, ptr) : \ -EFAULT; \ @@ -225,7 +225,7 @@ extern int __put_user_bad(void) __attribute__((noreturn)); #define get_user(x, ptr) \ ({ \ - might_sleep(); \ + might_fault(); \ access_ok(VERIFY_READ, ptr, sizeof(*ptr)) ? \ __get_user(x, ptr) : \ -EFAULT; \ @@ -255,7 +255,7 @@ extern int __get_user_bad(void) __attribute__((noreturn)); static inline long copy_from_user(void *to, const void __user * from, unsigned long n) { - might_sleep(); + might_fault(); if (access_ok(VERIFY_READ, from, n)) return __copy_from_user(to, from, n); else @@ -265,7 +265,7 @@ static inline long copy_from_user(void *to, static inline long copy_to_user(void __user *to, const void *from, unsigned long n) { - might_sleep(); + might_fault(); if (access_ok(VERIFY_WRITE, to, n)) return __copy_to_user(to, from, n); else @@ -336,7 +336,7 @@ __clear_user(void __user *to, unsigned long n) static inline __must_check unsigned long clear_user(void __user *to, unsigned long n) { - might_sleep(); + might_fault(); if (!access_ok(VERIFY_WRITE, to, n)) return n; diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h index eb58d2d7d97..4f2737208c4 100644 --- a/include/asm-generic/vmlinux.lds.h +++ b/include/asm-generic/vmlinux.lds.h @@ -68,14 +68,6 @@ * are handled as text/data or they can be discarded (which * often happens at runtime) */ -#ifdef CONFIG_HOTPLUG -#define DEV_KEEP(sec) *(.dev##sec) -#define DEV_DISCARD(sec) -#else -#define DEV_KEEP(sec) -#define DEV_DISCARD(sec) *(.dev##sec) -#endif - #ifdef CONFIG_HOTPLUG_CPU #define CPU_KEEP(sec) *(.cpu##sec) #define CPU_DISCARD(sec) @@ -182,8 +174,6 @@ *(.data) \ *(.ref.data) \ *(.data..shared_aligned) /* percpu related */ \ - DEV_KEEP(init.data) \ - DEV_KEEP(exit.data) \ CPU_KEEP(init.data) \ CPU_KEEP(exit.data) \ MEM_KEEP(init.data) \ @@ -372,8 +362,6 @@ /* __*init sections */ \ __init_rodata : AT(ADDR(__init_rodata) - LOAD_OFFSET) { \ *(.ref.rodata) \ - DEV_KEEP(init.rodata) \ - DEV_KEEP(exit.rodata) \ CPU_KEEP(init.rodata) \ CPU_KEEP(exit.rodata) \ MEM_KEEP(init.rodata) \ @@ -416,8 +404,6 @@ *(.text.hot) \ *(.text) \ *(.ref.text) \ - DEV_KEEP(init.text) \ - DEV_KEEP(exit.text) \ CPU_KEEP(init.text) \ CPU_KEEP(exit.text) \ MEM_KEEP(init.text) \ @@ -503,7 +489,6 @@ /* init and exit section handling */ #define INIT_DATA \ *(.init.data) \ - DEV_DISCARD(init.data) \ CPU_DISCARD(init.data) \ MEM_DISCARD(init.data) \ KERNEL_CTORS() \ @@ -511,7 +496,6 @@ *(.init.rodata) \ FTRACE_EVENTS() \ TRACE_SYSCALLS() \ - DEV_DISCARD(init.rodata) \ CPU_DISCARD(init.rodata) \ MEM_DISCARD(init.rodata) \ CLK_OF_TABLES() \ @@ -521,14 +505,11 @@ #define INIT_TEXT \ *(.init.text) \ - DEV_DISCARD(init.text) \ CPU_DISCARD(init.text) \ MEM_DISCARD(init.text) #define EXIT_DATA \ *(.exit.data) \ - DEV_DISCARD(exit.data) \ - DEV_DISCARD(exit.rodata) \ CPU_DISCARD(exit.data) \ CPU_DISCARD(exit.rodata) \ MEM_DISCARD(exit.data) \ @@ -536,7 +517,6 @@ #define EXIT_TEXT \ *(.exit.text) \ - DEV_DISCARD(exit.text) \ CPU_DISCARD(exit.text) \ MEM_DISCARD(exit.text) diff --git a/include/clocksource/arm_arch_timer.h b/include/clocksource/arm_arch_timer.h index e6c9c4cc9b2..c463ce990c4 100644 --- a/include/clocksource/arm_arch_timer.h +++ b/include/clocksource/arm_arch_timer.h @@ -32,7 +32,7 @@ #ifdef CONFIG_ARM_ARCH_TIMER extern u32 arch_timer_get_rate(void); -extern u64 (*arch_timer_read_counter)(void); +extern u64 arch_timer_read_counter(void); extern struct timecounter *arch_timer_get_timecounter(void); #else diff --git a/include/dt-bindings/clk/exynos-audss-clk.h b/include/dt-bindings/clk/exynos-audss-clk.h new file mode 100644 index 00000000000..8279f427c60 --- /dev/null +++ b/include/dt-bindings/clk/exynos-audss-clk.h @@ -0,0 +1,25 @@ +/* + * This header provides constants for Samsung audio subsystem + * clock controller. + * + * The constants defined in this header are being used in dts + * and exynos audss driver. + */ + +#ifndef _DT_BINDINGS_CLK_EXYNOS_AUDSS_H +#define _DT_BINDINGS_CLK_EXYNOS_AUDSS_H + +#define EXYNOS_MOUT_AUDSS 0 +#define EXYNOS_MOUT_I2S 1 +#define EXYNOS_DOUT_SRP 2 +#define EXYNOS_DOUT_AUD_BUS 3 +#define EXYNOS_DOUT_I2S 4 +#define EXYNOS_SRP_CLK 5 +#define EXYNOS_I2S_BUS 6 +#define EXYNOS_SCLK_I2S 7 +#define EXYNOS_PCM_BUS 8 +#define EXYNOS_SCLK_PCM 9 + +#define EXYNOS_AUDSS_MAX_CLKS 10 + +#endif diff --git a/include/dt-bindings/clock/imx6sl-clock.h b/include/dt-bindings/clock/imx6sl-clock.h new file mode 100644 index 00000000000..7fcdf90879f --- /dev/null +++ b/include/dt-bindings/clock/imx6sl-clock.h @@ -0,0 +1,148 @@ +/* + * Copyright 2013 Freescale Semiconductor, Inc. + * + * 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. + * + */ + +#ifndef __DT_BINDINGS_CLOCK_IMX6SL_H +#define __DT_BINDINGS_CLOCK_IMX6SL_H + +#define IMX6SL_CLK_DUMMY 0 +#define IMX6SL_CLK_CKIL 1 +#define IMX6SL_CLK_OSC 2 +#define IMX6SL_CLK_PLL1_SYS 3 +#define IMX6SL_CLK_PLL2_BUS 4 +#define IMX6SL_CLK_PLL3_USB_OTG 5 +#define IMX6SL_CLK_PLL4_AUDIO 6 +#define IMX6SL_CLK_PLL5_VIDEO 7 +#define IMX6SL_CLK_PLL6_ENET 8 +#define IMX6SL_CLK_PLL7_USB_HOST 9 +#define IMX6SL_CLK_USBPHY1 10 +#define IMX6SL_CLK_USBPHY2 11 +#define IMX6SL_CLK_USBPHY1_GATE 12 +#define IMX6SL_CLK_USBPHY2_GATE 13 +#define IMX6SL_CLK_PLL4_POST_DIV 14 +#define IMX6SL_CLK_PLL5_POST_DIV 15 +#define IMX6SL_CLK_PLL5_VIDEO_DIV 16 +#define IMX6SL_CLK_ENET_REF 17 +#define IMX6SL_CLK_PLL2_PFD0 18 +#define IMX6SL_CLK_PLL2_PFD1 19 +#define IMX6SL_CLK_PLL2_PFD2 20 +#define IMX6SL_CLK_PLL3_PFD0 21 +#define IMX6SL_CLK_PLL3_PFD1 22 +#define IMX6SL_CLK_PLL3_PFD2 23 +#define IMX6SL_CLK_PLL3_PFD3 24 +#define IMX6SL_CLK_PLL2_198M 25 +#define IMX6SL_CLK_PLL3_120M 26 +#define IMX6SL_CLK_PLL3_80M 27 +#define IMX6SL_CLK_PLL3_60M 28 +#define IMX6SL_CLK_STEP 29 +#define IMX6SL_CLK_PLL1_SW 30 +#define IMX6SL_CLK_OCRAM_ALT_SEL 31 +#define IMX6SL_CLK_OCRAM_SEL 32 +#define IMX6SL_CLK_PRE_PERIPH2_SEL 33 +#define IMX6SL_CLK_PRE_PERIPH_SEL 34 +#define IMX6SL_CLK_PERIPH2_CLK2_SEL 35 +#define IMX6SL_CLK_PERIPH_CLK2_SEL 36 +#define IMX6SL_CLK_CSI_SEL 37 +#define IMX6SL_CLK_LCDIF_AXI_SEL 38 +#define IMX6SL_CLK_USDHC1_SEL 39 +#define IMX6SL_CLK_USDHC2_SEL 40 +#define IMX6SL_CLK_USDHC3_SEL 41 +#define IMX6SL_CLK_USDHC4_SEL 42 +#define IMX6SL_CLK_SSI1_SEL 43 +#define IMX6SL_CLK_SSI2_SEL 44 +#define IMX6SL_CLK_SSI3_SEL 45 +#define IMX6SL_CLK_PERCLK_SEL 46 +#define IMX6SL_CLK_PXP_AXI_SEL 47 +#define IMX6SL_CLK_EPDC_AXI_SEL 48 +#define IMX6SL_CLK_GPU2D_OVG_SEL 49 +#define IMX6SL_CLK_GPU2D_SEL 50 +#define IMX6SL_CLK_LCDIF_PIX_SEL 51 +#define IMX6SL_CLK_EPDC_PIX_SEL 52 +#define IMX6SL_CLK_SPDIF0_SEL 53 +#define IMX6SL_CLK_SPDIF1_SEL 54 +#define IMX6SL_CLK_EXTERN_AUDIO_SEL 55 +#define IMX6SL_CLK_ECSPI_SEL 56 +#define IMX6SL_CLK_UART_SEL 57 +#define IMX6SL_CLK_PERIPH 58 +#define IMX6SL_CLK_PERIPH2 59 +#define IMX6SL_CLK_OCRAM_PODF 60 +#define IMX6SL_CLK_PERIPH_CLK2_PODF 61 +#define IMX6SL_CLK_PERIPH2_CLK2_PODF 62 +#define IMX6SL_CLK_IPG 63 +#define IMX6SL_CLK_CSI_PODF 64 +#define IMX6SL_CLK_LCDIF_AXI_PODF 65 +#define IMX6SL_CLK_USDHC1_PODF 66 +#define IMX6SL_CLK_USDHC2_PODF 67 +#define IMX6SL_CLK_USDHC3_PODF 68 +#define IMX6SL_CLK_USDHC4_PODF 69 +#define IMX6SL_CLK_SSI1_PRED 70 +#define IMX6SL_CLK_SSI1_PODF 71 +#define IMX6SL_CLK_SSI2_PRED 72 +#define IMX6SL_CLK_SSI2_PODF 73 +#define IMX6SL_CLK_SSI3_PRED 74 +#define IMX6SL_CLK_SSI3_PODF 75 +#define IMX6SL_CLK_PERCLK 76 +#define IMX6SL_CLK_PXP_AXI_PODF 77 +#define IMX6SL_CLK_EPDC_AXI_PODF 78 +#define IMX6SL_CLK_GPU2D_OVG_PODF 79 +#define IMX6SL_CLK_GPU2D_PODF 80 +#define IMX6SL_CLK_LCDIF_PIX_PRED 81 +#define IMX6SL_CLK_EPDC_PIX_PRED 82 +#define IMX6SL_CLK_LCDIF_PIX_PODF 83 +#define IMX6SL_CLK_EPDC_PIX_PODF 84 +#define IMX6SL_CLK_SPDIF0_PRED 85 +#define IMX6SL_CLK_SPDIF0_PODF 86 +#define IMX6SL_CLK_SPDIF1_PRED 87 +#define IMX6SL_CLK_SPDIF1_PODF 88 +#define IMX6SL_CLK_EXTERN_AUDIO_PRED 89 +#define IMX6SL_CLK_EXTERN_AUDIO_PODF 90 +#define IMX6SL_CLK_ECSPI_ROOT 91 +#define IMX6SL_CLK_UART_ROOT 92 +#define IMX6SL_CLK_AHB 93 +#define IMX6SL_CLK_MMDC_ROOT 94 +#define IMX6SL_CLK_ARM 95 +#define IMX6SL_CLK_ECSPI1 96 +#define IMX6SL_CLK_ECSPI2 97 +#define IMX6SL_CLK_ECSPI3 98 +#define IMX6SL_CLK_ECSPI4 99 +#define IMX6SL_CLK_EPIT1 100 +#define IMX6SL_CLK_EPIT2 101 +#define IMX6SL_CLK_EXTERN_AUDIO 102 +#define IMX6SL_CLK_GPT 103 +#define IMX6SL_CLK_GPT_SERIAL 104 +#define IMX6SL_CLK_GPU2D_OVG 105 +#define IMX6SL_CLK_I2C1 106 +#define IMX6SL_CLK_I2C2 107 +#define IMX6SL_CLK_I2C3 108 +#define IMX6SL_CLK_OCOTP 109 +#define IMX6SL_CLK_CSI 110 +#define IMX6SL_CLK_PXP_AXI 111 +#define IMX6SL_CLK_EPDC_AXI 112 +#define IMX6SL_CLK_LCDIF_AXI 113 +#define IMX6SL_CLK_LCDIF_PIX 114 +#define IMX6SL_CLK_EPDC_PIX 115 +#define IMX6SL_CLK_OCRAM 116 +#define IMX6SL_CLK_PWM1 117 +#define IMX6SL_CLK_PWM2 118 +#define IMX6SL_CLK_PWM3 119 +#define IMX6SL_CLK_PWM4 120 +#define IMX6SL_CLK_SDMA 121 +#define IMX6SL_CLK_SPDIF 122 +#define IMX6SL_CLK_SSI1 123 +#define IMX6SL_CLK_SSI2 124 +#define IMX6SL_CLK_SSI3 125 +#define IMX6SL_CLK_UART 126 +#define IMX6SL_CLK_UART_SERIAL 127 +#define IMX6SL_CLK_USBOH3 128 +#define IMX6SL_CLK_USDHC1 129 +#define IMX6SL_CLK_USDHC2 130 +#define IMX6SL_CLK_USDHC3 131 +#define IMX6SL_CLK_USDHC4 132 +#define IMX6SL_CLK_CLK_END 133 + +#endif /* __DT_BINDINGS_CLOCK_IMX6SL_H */ diff --git a/include/dt-bindings/clock/tegra114-car.h b/include/dt-bindings/clock/tegra114-car.h new file mode 100644 index 00000000000..614aec41790 --- /dev/null +++ b/include/dt-bindings/clock/tegra114-car.h @@ -0,0 +1,342 @@ +/* + * This header provides constants for binding nvidia,tegra114-car. + * + * The first 160 clocks are numbered to match the bits in the CAR's CLK_OUT_ENB + * registers. These IDs often match those in the CAR's RST_DEVICES registers, + * but not in all cases. Some bits in CLK_OUT_ENB affect multiple clocks. In + * this case, those clocks are assigned IDs above 160 in order to highlight + * this issue. Implementations that interpret these clock IDs as bit values + * within the CLK_OUT_ENB or RST_DEVICES registers should be careful to + * explicitly handle these special cases. + * + * The balance of the clocks controlled by the CAR are assigned IDs of 160 and + * above. + */ + +#ifndef _DT_BINDINGS_CLOCK_TEGRA114_CAR_H +#define _DT_BINDINGS_CLOCK_TEGRA114_CAR_H + +/* 0 */ +/* 1 */ +/* 2 */ +/* 3 */ +#define TEGRA114_CLK_RTC 4 +#define TEGRA114_CLK_TIMER 5 +#define TEGRA114_CLK_UARTA 6 +/* 7 (register bit affects uartb and vfir) */ +/* 8 */ +#define TEGRA114_CLK_SDMMC2 9 +/* 10 (register bit affects spdif_in and spdif_out) */ +#define TEGRA114_CLK_I2S1 11 +#define TEGRA114_CLK_I2C1 12 +#define TEGRA114_CLK_NDFLASH 13 +#define TEGRA114_CLK_SDMMC1 14 +#define TEGRA114_CLK_SDMMC4 15 +/* 16 */ +#define TEGRA114_CLK_PWM 17 +#define TEGRA114_CLK_I2S2 18 +#define TEGRA114_CLK_EPP 19 +/* 20 (register bit affects vi and vi_sensor) */ +#define TEGRA114_CLK_GR_2D 21 +#define TEGRA114_CLK_USBD 22 +#define TEGRA114_CLK_ISP 23 +#define TEGRA114_CLK_GR_3D 24 +/* 25 */ +#define TEGRA114_CLK_DISP2 26 +#define TEGRA114_CLK_DISP1 27 +#define TEGRA114_CLK_HOST1X 28 +#define TEGRA114_CLK_VCP 29 +#define TEGRA114_CLK_I2S0 30 +/* 31 */ + +/* 32 */ +/* 33 */ +#define TEGRA114_CLK_APBDMA 34 +/* 35 */ +#define TEGRA114_CLK_KBC 36 +/* 37 */ +/* 38 */ +/* 39 (register bit affects fuse and fuse_burn) */ +#define TEGRA114_CLK_KFUSE 40 +#define TEGRA114_CLK_SBC1 41 +#define TEGRA114_CLK_NOR 42 +/* 43 */ +#define TEGRA114_CLK_SBC2 44 +/* 45 */ +#define TEGRA114_CLK_SBC3 46 +#define TEGRA114_CLK_I2C5 47 +#define TEGRA114_CLK_DSIA 48 +/* 49 */ +#define TEGRA114_CLK_MIPI 50 +#define TEGRA114_CLK_HDMI 51 +#define TEGRA114_CLK_CSI 52 +/* 53 */ +#define TEGRA114_CLK_I2C2 54 +#define TEGRA114_CLK_UARTC 55 +#define TEGRA114_CLK_MIPI_CAL 56 +#define TEGRA114_CLK_EMC 57 +#define TEGRA114_CLK_USB2 58 +#define TEGRA114_CLK_USB3 59 +/* 60 */ +#define TEGRA114_CLK_VDE 61 +#define TEGRA114_CLK_BSEA 62 +#define TEGRA114_CLK_BSEV 63 + +/* 64 */ +#define TEGRA114_CLK_UARTD 65 +/* 66 */ +#define TEGRA114_CLK_I2C3 67 +#define TEGRA114_CLK_SBC4 68 +#define TEGRA114_CLK_SDMMC3 69 +/* 70 */ +#define TEGRA114_CLK_OWR 71 +/* 72 */ +#define TEGRA114_CLK_CSITE 73 +/* 74 */ +/* 75 */ +#define TEGRA114_CLK_LA 76 +#define TEGRA114_CLK_TRACE 77 +#define TEGRA114_CLK_SOC_THERM 78 +#define TEGRA114_CLK_DTV 79 +#define TEGRA114_CLK_NDSPEED 80 +#define TEGRA114_CLK_I2CSLOW 81 +#define TEGRA114_CLK_DSIB 82 +#define TEGRA114_CLK_TSEC 83 +/* 84 */ +/* 85 */ +/* 86 */ +/* 87 */ +/* 88 */ +#define TEGRA114_CLK_XUSB_HOST 89 +/* 90 */ +#define TEGRA114_CLK_MSENC 91 +#define TEGRA114_CLK_CSUS 92 +/* 93 */ +/* 94 */ +/* 95 (bit affects xusb_dev and xusb_dev_src) */ + +/* 96 */ +/* 97 */ +/* 98 */ +#define TEGRA114_CLK_MSELECT 99 +#define TEGRA114_CLK_TSENSOR 100 +#define TEGRA114_CLK_I2S3 101 +#define TEGRA114_CLK_I2S4 102 +#define TEGRA114_CLK_I2C4 103 +#define TEGRA114_CLK_SBC5 104 +#define TEGRA114_CLK_SBC6 105 +#define TEGRA114_CLK_D_AUDIO 106 +#define TEGRA114_CLK_APBIF 107 +#define TEGRA114_CLK_DAM0 108 +#define TEGRA114_CLK_DAM1 109 +#define TEGRA114_CLK_DAM2 110 +#define TEGRA114_CLK_HDA2CODEC_2X 111 +/* 112 */ +#define TEGRA114_CLK_AUDIO0_2X 113 +#define TEGRA114_CLK_AUDIO1_2X 114 +#define TEGRA114_CLK_AUDIO2_2X 115 +#define TEGRA114_CLK_AUDIO3_2X 116 +#define TEGRA114_CLK_AUDIO4_2X 117 +#define TEGRA114_CLK_SPDIF_2X 118 +#define TEGRA114_CLK_ACTMON 119 +#define TEGRA114_CLK_EXTERN1 120 +#define TEGRA114_CLK_EXTERN2 121 +#define TEGRA114_CLK_EXTERN3 122 +/* 123 */ +/* 124 */ +#define TEGRA114_CLK_HDA 125 +/* 126 */ +#define TEGRA114_CLK_SE 127 + +#define TEGRA114_CLK_HDA2HDMI 128 +/* 129 */ +/* 130 */ +/* 131 */ +/* 132 */ +/* 133 */ +/* 134 */ +/* 135 */ +/* 136 */ +/* 137 */ +/* 138 */ +/* 139 */ +/* 140 */ +/* 141 */ +/* 142 */ +/* 143 (bit affects xusb_falcon_src, xusb_fs_src, */ +/* xusb_host_src and xusb_ss_src) */ +#define TEGRA114_CLK_CILAB 144 +#define TEGRA114_CLK_CILCD 145 +#define TEGRA114_CLK_CILE 146 +#define TEGRA114_CLK_DSIALP 147 +#define TEGRA114_CLK_DSIBLP 148 +/* 149 */ +#define TEGRA114_CLK_DDS 150 +/* 151 */ +#define TEGRA114_CLK_DP2 152 +#define TEGRA114_CLK_AMX 153 +#define TEGRA114_CLK_ADX 154 +/* 155 (bit affects dfll_ref and dfll_soc) */ +#define TEGRA114_CLK_XUSB_SS 156 +/* 157 */ +/* 158 */ +/* 159 */ + +/* 160 */ +/* 161 */ +/* 162 */ +/* 163 */ +/* 164 */ +/* 165 */ +/* 166 */ +/* 167 */ +/* 168 */ +/* 169 */ +/* 170 */ +/* 171 */ +/* 172 */ +/* 173 */ +/* 174 */ +/* 175 */ +/* 176 */ +/* 177 */ +/* 178 */ +/* 179 */ +/* 180 */ +/* 181 */ +/* 182 */ +/* 183 */ +/* 184 */ +/* 185 */ +/* 186 */ +/* 187 */ +/* 188 */ +/* 189 */ +/* 190 */ +/* 191 */ + +#define TEGRA114_CLK_UARTB 192 +#define TEGRA114_CLK_VFIR 193 +#define TEGRA114_CLK_SPDIF_IN 194 +#define TEGRA114_CLK_SPDIF_OUT 195 +#define TEGRA114_CLK_VI 196 +#define TEGRA114_CLK_VI_SENSOR 197 +#define TEGRA114_CLK_FUSE 198 +#define TEGRA114_CLK_FUSE_BURN 199 +#define TEGRA114_CLK_CLK_32K 200 +#define TEGRA114_CLK_CLK_M 201 +#define TEGRA114_CLK_CLK_M_DIV2 202 +#define TEGRA114_CLK_CLK_M_DIV4 203 +#define TEGRA114_CLK_PLL_REF 204 +#define TEGRA114_CLK_PLL_C 205 +#define TEGRA114_CLK_PLL_C_OUT1 206 +#define TEGRA114_CLK_PLL_C2 207 +#define TEGRA114_CLK_PLL_C3 208 +#define TEGRA114_CLK_PLL_M 209 +#define TEGRA114_CLK_PLL_M_OUT1 210 +#define TEGRA114_CLK_PLL_P 211 +#define TEGRA114_CLK_PLL_P_OUT1 212 +#define TEGRA114_CLK_PLL_P_OUT2 213 +#define TEGRA114_CLK_PLL_P_OUT3 214 +#define TEGRA114_CLK_PLL_P_OUT4 215 +#define TEGRA114_CLK_PLL_A 216 +#define TEGRA114_CLK_PLL_A_OUT0 217 +#define TEGRA114_CLK_PLL_D 218 +#define TEGRA114_CLK_PLL_D_OUT0 219 +#define TEGRA114_CLK_PLL_D2 220 +#define TEGRA114_CLK_PLL_D2_OUT0 221 +#define TEGRA114_CLK_PLL_U 222 +#define TEGRA114_CLK_PLL_U_480M 223 + +#define TEGRA114_CLK_PLL_U_60M 224 +#define TEGRA114_CLK_PLL_U_48M 225 +#define TEGRA114_CLK_PLL_U_12M 226 +#define TEGRA114_CLK_PLL_X 227 +#define TEGRA114_CLK_PLL_X_OUT0 228 +#define TEGRA114_CLK_PLL_RE_VCO 229 +#define TEGRA114_CLK_PLL_RE_OUT 230 +#define TEGRA114_CLK_PLL_E_OUT0 231 +#define TEGRA114_CLK_SPDIF_IN_SYNC 232 +#define TEGRA114_CLK_I2S0_SYNC 233 +#define TEGRA114_CLK_I2S1_SYNC 234 +#define TEGRA114_CLK_I2S2_SYNC 235 +#define TEGRA114_CLK_I2S3_SYNC 236 +#define TEGRA114_CLK_I2S4_SYNC 237 +#define TEGRA114_CLK_VIMCLK_SYNC 238 +#define TEGRA114_CLK_AUDIO0 239 +#define TEGRA114_CLK_AUDIO1 240 +#define TEGRA114_CLK_AUDIO2 241 +#define TEGRA114_CLK_AUDIO3 242 +#define TEGRA114_CLK_AUDIO4 243 +#define TEGRA114_CLK_SPDIF 244 +#define TEGRA114_CLK_CLK_OUT_1 245 +#define TEGRA114_CLK_CLK_OUT_2 246 +#define TEGRA114_CLK_CLK_OUT_3 247 +#define TEGRA114_CLK_BLINK 248 +/* 249 */ +/* 250 */ +/* 251 */ +#define TEGRA114_CLK_XUSB_HOST_SRC 252 +#define TEGRA114_CLK_XUSB_FALCON_SRC 253 +#define TEGRA114_CLK_XUSB_FS_SRC 254 +#define TEGRA114_CLK_XUSB_SS_SRC 255 + +#define TEGRA114_CLK_XUSB_DEV_SRC 256 +#define TEGRA114_CLK_XUSB_DEV 257 +#define TEGRA114_CLK_XUSB_HS_SRC 258 +#define TEGRA114_CLK_SCLK 259 +#define TEGRA114_CLK_HCLK 260 +#define TEGRA114_CLK_PCLK 261 +#define TEGRA114_CLK_CCLK_G 262 +#define TEGRA114_CLK_CCLK_LP 263 +/* 264 */ +/* 265 */ +/* 266 */ +/* 267 */ +/* 268 */ +/* 269 */ +/* 270 */ +/* 271 */ +/* 272 */ +/* 273 */ +/* 274 */ +/* 275 */ +/* 276 */ +/* 277 */ +/* 278 */ +/* 279 */ +/* 280 */ +/* 281 */ +/* 282 */ +/* 283 */ +/* 284 */ +/* 285 */ +/* 286 */ +/* 287 */ + +/* 288 */ +/* 289 */ +/* 290 */ +/* 291 */ +/* 292 */ +/* 293 */ +/* 294 */ +/* 295 */ +/* 296 */ +/* 297 */ +/* 298 */ +/* 299 */ +#define TEGRA114_CLK_AUDIO0_MUX 300 +#define TEGRA114_CLK_AUDIO1_MUX 301 +#define TEGRA114_CLK_AUDIO2_MUX 302 +#define TEGRA114_CLK_AUDIO3_MUX 303 +#define TEGRA114_CLK_AUDIO4_MUX 304 +#define TEGRA114_CLK_SPDIF_MUX 305 +#define TEGRA114_CLK_CLK_OUT_1_MUX 306 +#define TEGRA114_CLK_CLK_OUT_2_MUX 307 +#define TEGRA114_CLK_CLK_OUT_3_MUX 308 +#define TEGRA114_CLK_DSIA_MUX 309 +#define TEGRA114_CLK_DSIB_MUX 310 +#define TEGRA114_CLK_CLK_MAX 311 + +#endif /* _DT_BINDINGS_CLOCK_TEGRA114_CAR_H */ diff --git a/include/dt-bindings/clock/tegra20-car.h b/include/dt-bindings/clock/tegra20-car.h new file mode 100644 index 00000000000..a1ae9a8fdd6 --- /dev/null +++ b/include/dt-bindings/clock/tegra20-car.h @@ -0,0 +1,158 @@ +/* + * This header provides constants for binding nvidia,tegra20-car. + * + * The first 96 clocks are numbered to match the bits in the CAR's CLK_OUT_ENB + * registers. These IDs often match those in the CAR's RST_DEVICES registers, + * but not in all cases. Some bits in CLK_OUT_ENB affect multiple clocks. In + * this case, those clocks are assigned IDs above 95 in order to highlight + * this issue. Implementations that interpret these clock IDs as bit values + * within the CLK_OUT_ENB or RST_DEVICES registers should be careful to + * explicitly handle these special cases. + * + * The balance of the clocks controlled by the CAR are assigned IDs of 96 and + * above. + */ + +#ifndef _DT_BINDINGS_CLOCK_TEGRA20_CAR_H +#define _DT_BINDINGS_CLOCK_TEGRA20_CAR_H + +#define TEGRA20_CLK_CPU 0 +/* 1 */ +/* 2 */ +#define TEGRA20_CLK_AC97 3 +#define TEGRA20_CLK_RTC 4 +#define TEGRA20_CLK_TIMER 5 +#define TEGRA20_CLK_UARTA 6 +/* 7 (register bit affects uart2 and vfir) */ +#define TEGRA20_CLK_GPIO 8 +#define TEGRA20_CLK_SDMMC2 9 +/* 10 (register bit affects spdif_in and spdif_out) */ +#define TEGRA20_CLK_I2S1 11 +#define TEGRA20_CLK_I2C1 12 +#define TEGRA20_CLK_NDFLASH 13 +#define TEGRA20_CLK_SDMMC1 14 +#define TEGRA20_CLK_SDMMC4 15 +#define TEGRA20_CLK_TWC 16 +#define TEGRA20_CLK_PWM 17 +#define TEGRA20_CLK_I2S2 18 +#define TEGRA20_CLK_EPP 19 +/* 20 (register bit affects vi and vi_sensor) */ +#define TEGRA20_CLK_GR2D 21 +#define TEGRA20_CLK_USBD 22 +#define TEGRA20_CLK_ISP 23 +#define TEGRA20_CLK_GR3D 24 +#define TEGRA20_CLK_IDE 25 +#define TEGRA20_CLK_DISP2 26 +#define TEGRA20_CLK_DISP1 27 +#define TEGRA20_CLK_HOST1X 28 +#define TEGRA20_CLK_VCP 29 +/* 30 */ +#define TEGRA20_CLK_CACHE2 31 + +#define TEGRA20_CLK_MEM 32 +#define TEGRA20_CLK_AHBDMA 33 +#define TEGRA20_CLK_APBDMA 34 +/* 35 */ +#define TEGRA20_CLK_KBC 36 +#define TEGRA20_CLK_STAT_MON 37 +#define TEGRA20_CLK_PMC 38 +#define TEGRA20_CLK_FUSE 39 +#define TEGRA20_CLK_KFUSE 40 +#define TEGRA20_CLK_SBC1 41 +#define TEGRA20_CLK_NOR 42 +#define TEGRA20_CLK_SPI 43 +#define TEGRA20_CLK_SBC2 44 +#define TEGRA20_CLK_XIO 45 +#define TEGRA20_CLK_SBC3 46 +#define TEGRA20_CLK_DVC 47 +#define TEGRA20_CLK_DSI 48 +/* 49 (register bit affects tvo and cve) */ +#define TEGRA20_CLK_MIPI 50 +#define TEGRA20_CLK_HDMI 51 +#define TEGRA20_CLK_CSI 52 +#define TEGRA20_CLK_TVDAC 53 +#define TEGRA20_CLK_I2C2 54 +#define TEGRA20_CLK_UARTC 55 +/* 56 */ +#define TEGRA20_CLK_EMC 57 +#define TEGRA20_CLK_USB2 58 +#define TEGRA20_CLK_USB3 59 +#define TEGRA20_CLK_MPE 60 +#define TEGRA20_CLK_VDE 61 +#define TEGRA20_CLK_BSEA 62 +#define TEGRA20_CLK_BSEV 63 + +#define TEGRA20_CLK_SPEEDO 64 +#define TEGRA20_CLK_UARTD 65 +#define TEGRA20_CLK_UARTE 66 +#define TEGRA20_CLK_I2C3 67 +#define TEGRA20_CLK_SBC4 68 +#define TEGRA20_CLK_SDMMC3 69 +#define TEGRA20_CLK_PEX 70 +#define TEGRA20_CLK_OWR 71 +#define TEGRA20_CLK_AFI 72 +#define TEGRA20_CLK_CSITE 73 +#define TEGRA20_CLK_PCIE_XCLK 74 +#define TEGRA20_CLK_AVPUCQ 75 +#define TEGRA20_CLK_LA 76 +/* 77 */ +/* 78 */ +/* 79 */ +/* 80 */ +/* 81 */ +/* 82 */ +/* 83 */ +#define TEGRA20_CLK_IRAMA 84 +#define TEGRA20_CLK_IRAMB 85 +#define TEGRA20_CLK_IRAMC 86 +#define TEGRA20_CLK_IRAMD 87 +#define TEGRA20_CLK_CRAM2 88 +#define TEGRA20_CLK_AUDIO_2X 89 /* a/k/a audio_2x_sync_clk */ +#define TEGRA20_CLK_CLK_D 90 +/* 91 */ +#define TEGRA20_CLK_CSUS 92 +#define TEGRA20_CLK_CDEV2 93 +#define TEGRA20_CLK_CDEV1 94 +/* 95 */ + +#define TEGRA20_CLK_UARTB 96 +#define TEGRA20_CLK_VFIR 97 +#define TEGRA20_CLK_SPDIF_IN 98 +#define TEGRA20_CLK_SPDIF_OUT 99 +#define TEGRA20_CLK_VI 100 +#define TEGRA20_CLK_VI_SENSOR 101 +#define TEGRA20_CLK_TVO 102 +#define TEGRA20_CLK_CVE 103 +#define TEGRA20_CLK_OSC 104 +#define TEGRA20_CLK_CLK_32K 105 /* a/k/a clk_s */ +#define TEGRA20_CLK_CLK_M 106 +#define TEGRA20_CLK_SCLK 107 +#define TEGRA20_CLK_CCLK 108 +#define TEGRA20_CLK_HCLK 109 +#define TEGRA20_CLK_PCLK 110 +#define TEGRA20_CLK_BLINK 111 +#define TEGRA20_CLK_PLL_A 112 +#define TEGRA20_CLK_PLL_A_OUT0 113 +#define TEGRA20_CLK_PLL_C 114 +#define TEGRA20_CLK_PLL_C_OUT1 115 +#define TEGRA20_CLK_PLL_D 116 +#define TEGRA20_CLK_PLL_D_OUT0 117 +#define TEGRA20_CLK_PLL_E 118 +#define TEGRA20_CLK_PLL_M 119 +#define TEGRA20_CLK_PLL_M_OUT1 120 +#define TEGRA20_CLK_PLL_P 121 +#define TEGRA20_CLK_PLL_P_OUT1 122 +#define TEGRA20_CLK_PLL_P_OUT2 123 +#define TEGRA20_CLK_PLL_P_OUT3 124 +#define TEGRA20_CLK_PLL_P_OUT4 125 +#define TEGRA20_CLK_PLL_S 126 +#define TEGRA20_CLK_PLL_U 127 + +#define TEGRA20_CLK_PLL_X 128 +#define TEGRA20_CLK_COP 129 /* a/k/a avp */ +#define TEGRA20_CLK_AUDIO 130 /* a/k/a audio_sync_clk */ +#define TEGRA20_CLK_PLL_REF 131 +#define TEGRA20_CLK_TWD 132 +#define TEGRA20_CLK_CLK_MAX 133 + +#endif /* _DT_BINDINGS_CLOCK_TEGRA20_CAR_H */ diff --git a/include/dt-bindings/clock/tegra30-car.h b/include/dt-bindings/clock/tegra30-car.h new file mode 100644 index 00000000000..e40fae8f9a8 --- /dev/null +++ b/include/dt-bindings/clock/tegra30-car.h @@ -0,0 +1,265 @@ +/* + * This header provides constants for binding nvidia,tegra30-car. + * + * The first 130 clocks are numbered to match the bits in the CAR's CLK_OUT_ENB + * registers. These IDs often match those in the CAR's RST_DEVICES registers, + * but not in all cases. Some bits in CLK_OUT_ENB affect multiple clocks. In + * this case, those clocks are assigned IDs above 160 in order to highlight + * this issue. Implementations that interpret these clock IDs as bit values + * within the CLK_OUT_ENB or RST_DEVICES registers should be careful to + * explicitly handle these special cases. + * + * The balance of the clocks controlled by the CAR are assigned IDs of 160 and + * above. + */ + +#ifndef _DT_BINDINGS_CLOCK_TEGRA30_CAR_H +#define _DT_BINDINGS_CLOCK_TEGRA30_CAR_H + +#define TEGRA30_CLK_CPU 0 +/* 1 */ +/* 2 */ +/* 3 */ +#define TEGRA30_CLK_RTC 4 +#define TEGRA30_CLK_TIMER 5 +#define TEGRA30_CLK_UARTA 6 +/* 7 (register bit affects uartb and vfir) */ +#define TEGRA30_CLK_GPIO 8 +#define TEGRA30_CLK_SDMMC2 9 +/* 10 (register bit affects spdif_in and spdif_out) */ +#define TEGRA30_CLK_I2S1 11 +#define TEGRA30_CLK_I2C1 12 +#define TEGRA30_CLK_NDFLASH 13 +#define TEGRA30_CLK_SDMMC1 14 +#define TEGRA30_CLK_SDMMC4 15 +/* 16 */ +#define TEGRA30_CLK_PWM 17 +#define TEGRA30_CLK_I2S2 18 +#define TEGRA30_CLK_EPP 19 +/* 20 (register bit affects vi and vi_sensor) */ +#define TEGRA30_CLK_GR2D 21 +#define TEGRA30_CLK_USBD 22 +#define TEGRA30_CLK_ISP 23 +#define TEGRA30_CLK_GR3D 24 +/* 25 */ +#define TEGRA30_CLK_DISP2 26 +#define TEGRA30_CLK_DISP1 27 +#define TEGRA30_CLK_HOST1X 28 +#define TEGRA30_CLK_VCP 29 +#define TEGRA30_CLK_I2S0 30 +#define TEGRA30_CLK_COP_CACHE 31 + +#define TEGRA30_CLK_MC 32 +#define TEGRA30_CLK_AHBDMA 33 +#define TEGRA30_CLK_APBDMA 34 +/* 35 */ +#define TEGRA30_CLK_KBC 36 +#define TEGRA30_CLK_STATMON 37 +#define TEGRA30_CLK_PMC 38 +/* 39 (register bit affects fuse and fuse_burn) */ +#define TEGRA30_CLK_KFUSE 40 +#define TEGRA30_CLK_SBC1 41 +#define TEGRA30_CLK_NOR 42 +/* 43 */ +#define TEGRA30_CLK_SBC2 44 +/* 45 */ +#define TEGRA30_CLK_SBC3 46 +#define TEGRA30_CLK_I2C5 47 +#define TEGRA30_CLK_DSIA 48 +/* 49 (register bit affects cve and tvo) */ +#define TEGRA30_CLK_MIPI 50 +#define TEGRA30_CLK_HDMI 51 +#define TEGRA30_CLK_CSI 52 +#define TEGRA30_CLK_TVDAC 53 +#define TEGRA30_CLK_I2C2 54 +#define TEGRA30_CLK_UARTC 55 +/* 56 */ +#define TEGRA30_CLK_EMC 57 +#define TEGRA30_CLK_USB2 58 +#define TEGRA30_CLK_USB3 59 +#define TEGRA30_CLK_MPE 60 +#define TEGRA30_CLK_VDE 61 +#define TEGRA30_CLK_BSEA 62 +#define TEGRA30_CLK_BSEV 63 + +#define TEGRA30_CLK_SPEEDO 64 +#define TEGRA30_CLK_UARTD 65 +#define TEGRA30_CLK_UARTE 66 +#define TEGRA30_CLK_I2C3 67 +#define TEGRA30_CLK_SBC4 68 +#define TEGRA30_CLK_SDMMC3 69 +#define TEGRA30_CLK_PCIE 70 +#define TEGRA30_CLK_OWR 71 +#define TEGRA30_CLK_AFI 72 +#define TEGRA30_CLK_CSITE 73 +#define TEGRA30_CLK_PCIEX 74 +#define TEGRA30_CLK_AVPUCQ 75 +#define TEGRA30_CLK_LA 76 +/* 77 */ +/* 78 */ +#define TEGRA30_CLK_DTV 79 +#define TEGRA30_CLK_NDSPEED 80 +#define TEGRA30_CLK_I2CSLOW 81 +#define TEGRA30_CLK_DSIB 82 +/* 83 */ +#define TEGRA30_CLK_IRAMA 84 +#define TEGRA30_CLK_IRAMB 85 +#define TEGRA30_CLK_IRAMC 86 +#define TEGRA30_CLK_IRAMD 87 +#define TEGRA30_CLK_CRAM2 88 +/* 89 */ +#define TEGRA30_CLK_AUDIO_2X 90 /* a/k/a audio_2x_sync_clk */ +/* 91 */ +#define TEGRA30_CLK_CSUS 92 +#define TEGRA30_CLK_CDEV2 93 +#define TEGRA30_CLK_CDEV1 94 +/* 95 */ + +#define TEGRA30_CLK_CPU_G 96 +#define TEGRA30_CLK_CPU_LP 97 +#define TEGRA30_CLK_GR3D2 98 +#define TEGRA30_CLK_MSELECT 99 +#define TEGRA30_CLK_TSENSOR 100 +#define TEGRA30_CLK_I2S3 101 +#define TEGRA30_CLK_I2S4 102 +#define TEGRA30_CLK_I2C4 103 +#define TEGRA30_CLK_SBC5 104 +#define TEGRA30_CLK_SBC6 105 +#define TEGRA30_CLK_D_AUDIO 106 +#define TEGRA30_CLK_APBIF 107 +#define TEGRA30_CLK_DAM0 108 +#define TEGRA30_CLK_DAM1 109 +#define TEGRA30_CLK_DAM2 110 +#define TEGRA30_CLK_HDA2CODEC_2X 111 +#define TEGRA30_CLK_ATOMICS 112 +#define TEGRA30_CLK_AUDIO0_2X 113 +#define TEGRA30_CLK_AUDIO1_2X 114 +#define TEGRA30_CLK_AUDIO2_2X 115 +#define TEGRA30_CLK_AUDIO3_2X 116 +#define TEGRA30_CLK_AUDIO4_2X 117 +#define TEGRA30_CLK_SPDIF_2X 118 +#define TEGRA30_CLK_ACTMON 119 +#define TEGRA30_CLK_EXTERN1 120 +#define TEGRA30_CLK_EXTERN2 121 +#define TEGRA30_CLK_EXTERN3 122 +#define TEGRA30_CLK_SATA_OOB 123 +#define TEGRA30_CLK_SATA 124 +#define TEGRA30_CLK_HDA 125 +/* 126 */ +#define TEGRA30_CLK_SE 127 + +#define TEGRA30_CLK_HDA2HDMI 128 +#define TEGRA30_CLK_SATA_COLD 129 +/* 130 */ +/* 131 */ +/* 132 */ +/* 133 */ +/* 134 */ +/* 135 */ +/* 136 */ +/* 137 */ +/* 138 */ +/* 139 */ +/* 140 */ +/* 141 */ +/* 142 */ +/* 143 */ +/* 144 */ +/* 145 */ +/* 146 */ +/* 147 */ +/* 148 */ +/* 149 */ +/* 150 */ +/* 151 */ +/* 152 */ +/* 153 */ +/* 154 */ +/* 155 */ +/* 156 */ +/* 157 */ +/* 158 */ +/* 159 */ + +#define TEGRA30_CLK_UARTB 160 +#define TEGRA30_CLK_VFIR 161 +#define TEGRA30_CLK_SPDIF_IN 162 +#define TEGRA30_CLK_SPDIF_OUT 163 +#define TEGRA30_CLK_VI 164 +#define TEGRA30_CLK_VI_SENSOR 165 +#define TEGRA30_CLK_FUSE 166 +#define TEGRA30_CLK_FUSE_BURN 167 +#define TEGRA30_CLK_CVE 168 +#define TEGRA30_CLK_TVO 169 +#define TEGRA30_CLK_CLK_32K 170 +#define TEGRA30_CLK_CLK_M 171 +#define TEGRA30_CLK_CLK_M_DIV2 172 +#define TEGRA30_CLK_CLK_M_DIV4 173 +#define TEGRA30_CLK_PLL_REF 174 +#define TEGRA30_CLK_PLL_C 175 +#define TEGRA30_CLK_PLL_C_OUT1 176 +#define TEGRA30_CLK_PLL_M 177 +#define TEGRA30_CLK_PLL_M_OUT1 178 +#define TEGRA30_CLK_PLL_P 179 +#define TEGRA30_CLK_PLL_P_OUT1 180 +#define TEGRA30_CLK_PLL_P_OUT2 181 +#define TEGRA30_CLK_PLL_P_OUT3 182 +#define TEGRA30_CLK_PLL_P_OUT4 183 +#define TEGRA30_CLK_PLL_A 184 +#define TEGRA30_CLK_PLL_A_OUT0 185 +#define TEGRA30_CLK_PLL_D 186 +#define TEGRA30_CLK_PLL_D_OUT0 187 +#define TEGRA30_CLK_PLL_D2 188 +#define TEGRA30_CLK_PLL_D2_OUT0 189 +#define TEGRA30_CLK_PLL_U 190 +#define TEGRA30_CLK_PLL_X 191 + +#define TEGRA30_CLK_PLL_X_OUT0 192 +#define TEGRA30_CLK_PLL_E 193 +#define TEGRA30_CLK_SPDIF_IN_SYNC 194 +#define TEGRA30_CLK_I2S0_SYNC 195 +#define TEGRA30_CLK_I2S1_SYNC 196 +#define TEGRA30_CLK_I2S2_SYNC 197 +#define TEGRA30_CLK_I2S3_SYNC 198 +#define TEGRA30_CLK_I2S4_SYNC 199 +#define TEGRA30_CLK_VIMCLK_SYNC 200 +#define TEGRA30_CLK_AUDIO0 201 +#define TEGRA30_CLK_AUDIO1 202 +#define TEGRA30_CLK_AUDIO2 203 +#define TEGRA30_CLK_AUDIO3 204 +#define TEGRA30_CLK_AUDIO4 205 +#define TEGRA30_CLK_SPDIF 206 +#define TEGRA30_CLK_CLK_OUT_1 207 /* (extern1) */ +#define TEGRA30_CLK_CLK_OUT_2 208 /* (extern2) */ +#define TEGRA30_CLK_CLK_OUT_3 209 /* (extern3) */ +#define TEGRA30_CLK_SCLK 210 +#define TEGRA30_CLK_BLINK 211 +#define TEGRA30_CLK_CCLK_G 212 +#define TEGRA30_CLK_CCLK_LP 213 +#define TEGRA30_CLK_TWD 214 +#define TEGRA30_CLK_CML0 215 +#define TEGRA30_CLK_CML1 216 +#define TEGRA30_CLK_HCLK 217 +#define TEGRA30_CLK_PCLK 218 +/* 219 */ +/* 220 */ +/* 221 */ +/* 222 */ +/* 223 */ + +/* 288 */ +/* 289 */ +/* 290 */ +/* 291 */ +/* 292 */ +/* 293 */ +/* 294 */ +/* 295 */ +/* 296 */ +/* 297 */ +/* 298 */ +/* 299 */ +#define TEGRA30_CLK_CLK_OUT_1_MUX 300 +#define TEGRA30_CLK_CLK_MAX 301 + +#endif /* _DT_BINDINGS_CLOCK_TEGRA30_CAR_H */ diff --git a/include/dt-bindings/clock/vf610-clock.h b/include/dt-bindings/clock/vf610-clock.h new file mode 100644 index 00000000000..15e997fa78f --- /dev/null +++ b/include/dt-bindings/clock/vf610-clock.h @@ -0,0 +1,163 @@ +/* + * Copyright 2013 Freescale Semiconductor, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#ifndef __DT_BINDINGS_CLOCK_VF610_H +#define __DT_BINDINGS_CLOCK_VF610_H + +#define VF610_CLK_DUMMY 0 +#define VF610_CLK_SIRC_128K 1 +#define VF610_CLK_SIRC_32K 2 +#define VF610_CLK_FIRC 3 +#define VF610_CLK_SXOSC 4 +#define VF610_CLK_FXOSC 5 +#define VF610_CLK_FXOSC_HALF 6 +#define VF610_CLK_SLOW_CLK_SEL 7 +#define VF610_CLK_FASK_CLK_SEL 8 +#define VF610_CLK_AUDIO_EXT 9 +#define VF610_CLK_ENET_EXT 10 +#define VF610_CLK_PLL1_MAIN 11 +#define VF610_CLK_PLL1_PFD1 12 +#define VF610_CLK_PLL1_PFD2 13 +#define VF610_CLK_PLL1_PFD3 14 +#define VF610_CLK_PLL1_PFD4 15 +#define VF610_CLK_PLL2_MAIN 16 +#define VF610_CLK_PLL2_PFD1 17 +#define VF610_CLK_PLL2_PFD2 18 +#define VF610_CLK_PLL2_PFD3 19 +#define VF610_CLK_PLL2_PFD4 20 +#define VF610_CLK_PLL3_MAIN 21 +#define VF610_CLK_PLL3_PFD1 22 +#define VF610_CLK_PLL3_PFD2 23 +#define VF610_CLK_PLL3_PFD3 24 +#define VF610_CLK_PLL3_PFD4 25 +#define VF610_CLK_PLL4_MAIN 26 +#define VF610_CLK_PLL5_MAIN 27 +#define VF610_CLK_PLL6_MAIN 28 +#define VF610_CLK_PLL3_MAIN_DIV 29 +#define VF610_CLK_PLL4_MAIN_DIV 30 +#define VF610_CLK_PLL6_MAIN_DIV 31 +#define VF610_CLK_PLL1_PFD_SEL 32 +#define VF610_CLK_PLL2_PFD_SEL 33 +#define VF610_CLK_SYS_SEL 34 +#define VF610_CLK_DDR_SEL 35 +#define VF610_CLK_SYS_BUS 36 +#define VF610_CLK_PLATFORM_BUS 37 +#define VF610_CLK_IPG_BUS 38 +#define VF610_CLK_UART0 39 +#define VF610_CLK_UART1 40 +#define VF610_CLK_UART2 41 +#define VF610_CLK_UART3 42 +#define VF610_CLK_UART4 43 +#define VF610_CLK_UART5 44 +#define VF610_CLK_PIT 45 +#define VF610_CLK_I2C0 46 +#define VF610_CLK_I2C1 47 +#define VF610_CLK_I2C2 48 +#define VF610_CLK_I2C3 49 +#define VF610_CLK_FTM0_EXT_SEL 50 +#define VF610_CLK_FTM0_FIX_SEL 51 +#define VF610_CLK_FTM0_EXT_FIX_EN 52 +#define VF610_CLK_FTM1_EXT_SEL 53 +#define VF610_CLK_FTM1_FIX_SEL 54 +#define VF610_CLK_FTM1_EXT_FIX_EN 55 +#define VF610_CLK_FTM2_EXT_SEL 56 +#define VF610_CLK_FTM2_FIX_SEL 57 +#define VF610_CLK_FTM2_EXT_FIX_EN 58 +#define VF610_CLK_FTM3_EXT_SEL 59 +#define VF610_CLK_FTM3_FIX_SEL 60 +#define VF610_CLK_FTM3_EXT_FIX_EN 61 +#define VF610_CLK_FTM0 62 +#define VF610_CLK_FTM1 63 +#define VF610_CLK_FTM2 64 +#define VF610_CLK_FTM3 65 +#define VF610_CLK_ENET_50M 66 +#define VF610_CLK_ENET_25M 67 +#define VF610_CLK_ENET_SEL 68 +#define VF610_CLK_ENET 69 +#define VF610_CLK_ENET_TS_SEL 70 +#define VF610_CLK_ENET_TS 71 +#define VF610_CLK_DSPI0 72 +#define VF610_CLK_DSPI1 73 +#define VF610_CLK_DSPI2 74 +#define VF610_CLK_DSPI3 75 +#define VF610_CLK_WDT 76 +#define VF610_CLK_ESDHC0_SEL 77 +#define VF610_CLK_ESDHC0_EN 78 +#define VF610_CLK_ESDHC0_DIV 79 +#define VF610_CLK_ESDHC0 80 +#define VF610_CLK_ESDHC1_SEL 81 +#define VF610_CLK_ESDHC1_EN 82 +#define VF610_CLK_ESDHC1_DIV 83 +#define VF610_CLK_ESDHC1 84 +#define VF610_CLK_DCU0_SEL 85 +#define VF610_CLK_DCU0_EN 86 +#define VF610_CLK_DCU0_DIV 87 +#define VF610_CLK_DCU0 88 +#define VF610_CLK_DCU1_SEL 89 +#define VF610_CLK_DCU1_EN 90 +#define VF610_CLK_DCU1_DIV 91 +#define VF610_CLK_DCU1 92 +#define VF610_CLK_ESAI_SEL 93 +#define VF610_CLK_ESAI_EN 94 +#define VF610_CLK_ESAI_DIV 95 +#define VF610_CLK_ESAI 96 +#define VF610_CLK_SAI0_SEL 97 +#define VF610_CLK_SAI0_EN 98 +#define VF610_CLK_SAI0_DIV 99 +#define VF610_CLK_SAI0 100 +#define VF610_CLK_SAI1_SEL 101 +#define VF610_CLK_SAI1_EN 102 +#define VF610_CLK_SAI1_DIV 103 +#define VF610_CLK_SAI1 104 +#define VF610_CLK_SAI2_SEL 105 +#define VF610_CLK_SAI2_EN 106 +#define VF610_CLK_SAI2_DIV 107 +#define VF610_CLK_SAI2 108 +#define VF610_CLK_SAI3_SEL 109 +#define VF610_CLK_SAI3_EN 110 +#define VF610_CLK_SAI3_DIV 111 +#define VF610_CLK_SAI3 112 +#define VF610_CLK_USBC0 113 +#define VF610_CLK_USBC1 114 +#define VF610_CLK_QSPI0_SEL 115 +#define VF610_CLK_QSPI0_EN 116 +#define VF610_CLK_QSPI0_X4_DIV 117 +#define VF610_CLK_QSPI0_X2_DIV 118 +#define VF610_CLK_QSPI0_X1_DIV 119 +#define VF610_CLK_QSPI1_SEL 120 +#define VF610_CLK_QSPI1_EN 121 +#define VF610_CLK_QSPI1_X4_DIV 122 +#define VF610_CLK_QSPI1_X2_DIV 123 +#define VF610_CLK_QSPI1_X1_DIV 124 +#define VF610_CLK_QSPI0 125 +#define VF610_CLK_QSPI1 126 +#define VF610_CLK_NFC_SEL 127 +#define VF610_CLK_NFC_EN 128 +#define VF610_CLK_NFC_PRE_DIV 129 +#define VF610_CLK_NFC_FRAC_DIV 130 +#define VF610_CLK_NFC_INV 131 +#define VF610_CLK_NFC 132 +#define VF610_CLK_VADC_SEL 133 +#define VF610_CLK_VADC_EN 134 +#define VF610_CLK_VADC_DIV 135 +#define VF610_CLK_VADC_DIV_HALF 136 +#define VF610_CLK_VADC 137 +#define VF610_CLK_ADC0 138 +#define VF610_CLK_ADC1 139 +#define VF610_CLK_DAC0 140 +#define VF610_CLK_DAC1 141 +#define VF610_CLK_FLEXCAN0 142 +#define VF610_CLK_FLEXCAN1 143 +#define VF610_CLK_ASRC 144 +#define VF610_CLK_GPU_SEL 145 +#define VF610_CLK_GPU_EN 146 +#define VF610_CLK_GPU2D 147 +#define VF610_CLK_END 148 + +#endif /* __DT_BINDINGS_CLOCK_VF610_H */ diff --git a/include/dt-bindings/dma/at91.h b/include/dt-bindings/dma/at91.h new file mode 100644 index 00000000000..e835037a77b --- /dev/null +++ b/include/dt-bindings/dma/at91.h @@ -0,0 +1,27 @@ +/* + * This header provides macros for at91 dma bindings. + * + * Copyright (C) 2013 Ludovic Desroches <ludovic.desroches@atmel.com> + * + * GPLv2 only + */ + +#ifndef __DT_BINDINGS_AT91_DMA_H__ +#define __DT_BINDINGS_AT91_DMA_H__ + +/* + * Source and/or destination peripheral ID + */ +#define AT91_DMA_CFG_PER_ID_MASK (0xff) +#define AT91_DMA_CFG_PER_ID(id) (id & AT91_DMA_CFG_PER_ID_MASK) + +/* + * FIFO configuration: it defines when a request is serviced. + */ +#define AT91_DMA_CFG_FIFOCFG_OFFSET (8) +#define AT91_DMA_CFG_FIFOCFG_MASK (0xf << AT91_DMA_CFG_FIFOCFG_OFFSET) +#define AT91_DMA_CFG_FIFOCFG_HALF (0x0 << AT91_DMA_CFG_FIFOCFG_OFFSET) /* half FIFO (default behavior) */ +#define AT91_DMA_CFG_FIFOCFG_ALAP (0x1 << AT91_DMA_CFG_FIFOCFG_OFFSET) /* largest defined AHB burst */ +#define AT91_DMA_CFG_FIFOCFG_ASAP (0x2 << AT91_DMA_CFG_FIFOCFG_OFFSET) /* single AHB access */ + +#endif /* __DT_BINDINGS_AT91_DMA_H__ */ diff --git a/include/dt-bindings/gpio/tegra-gpio.h b/include/dt-bindings/gpio/tegra-gpio.h new file mode 100644 index 00000000000..4d179c00f08 --- /dev/null +++ b/include/dt-bindings/gpio/tegra-gpio.h @@ -0,0 +1,50 @@ +/* + * This header provides constants for binding nvidia,tegra*-gpio. + * + * The first cell in Tegra's GPIO specifier is the GPIO ID. The macros below + * provide names for this. + * + * The second cell contains standard flag values specified in gpio.h. + */ + +#ifndef _DT_BINDINGS_GPIO_TEGRA_GPIO_H +#define _DT_BINDINGS_GPIO_TEGRA_GPIO_H + +#include <dt-bindings/gpio/gpio.h> + +#define TEGRA_GPIO_BANK_ID_A 0 +#define TEGRA_GPIO_BANK_ID_B 1 +#define TEGRA_GPIO_BANK_ID_C 2 +#define TEGRA_GPIO_BANK_ID_D 3 +#define TEGRA_GPIO_BANK_ID_E 4 +#define TEGRA_GPIO_BANK_ID_F 5 +#define TEGRA_GPIO_BANK_ID_G 6 +#define TEGRA_GPIO_BANK_ID_H 7 +#define TEGRA_GPIO_BANK_ID_I 8 +#define TEGRA_GPIO_BANK_ID_J 9 +#define TEGRA_GPIO_BANK_ID_K 10 +#define TEGRA_GPIO_BANK_ID_L 11 +#define TEGRA_GPIO_BANK_ID_M 12 +#define TEGRA_GPIO_BANK_ID_N 13 +#define TEGRA_GPIO_BANK_ID_O 14 +#define TEGRA_GPIO_BANK_ID_P 15 +#define TEGRA_GPIO_BANK_ID_Q 16 +#define TEGRA_GPIO_BANK_ID_R 17 +#define TEGRA_GPIO_BANK_ID_S 18 +#define TEGRA_GPIO_BANK_ID_T 19 +#define TEGRA_GPIO_BANK_ID_U 20 +#define TEGRA_GPIO_BANK_ID_V 21 +#define TEGRA_GPIO_BANK_ID_W 22 +#define TEGRA_GPIO_BANK_ID_X 23 +#define TEGRA_GPIO_BANK_ID_Y 24 +#define TEGRA_GPIO_BANK_ID_Z 25 +#define TEGRA_GPIO_BANK_ID_AA 26 +#define TEGRA_GPIO_BANK_ID_BB 27 +#define TEGRA_GPIO_BANK_ID_CC 28 +#define TEGRA_GPIO_BANK_ID_DD 29 +#define TEGRA_GPIO_BANK_ID_EE 30 + +#define TEGRA_GPIO(bank, offset) \ + ((TEGRA_GPIO_BANK_ID_##bank * 8) + offset) + +#endif diff --git a/include/dt-bindings/pinctrl/am33xx.h b/include/dt-bindings/pinctrl/am33xx.h new file mode 100644 index 00000000000..469e0325e6f --- /dev/null +++ b/include/dt-bindings/pinctrl/am33xx.h @@ -0,0 +1,42 @@ +/* + * This header provides constants specific to AM33XX pinctrl bindings. + */ + +#ifndef _DT_BINDINGS_PINCTRL_AM33XX_H +#define _DT_BINDINGS_PINCTRL_AM33XX_H + +#include <include/dt-bindings/pinctrl/omap.h> + +/* am33xx specific mux bit defines */ +#undef PULL_ENA +#undef INPUT_EN + +#define PULL_DISABLE (1 << 3) +#define INPUT_EN (1 << 5) +#define SLEWCTRL_FAST (1 << 6) + +/* update macro depending on INPUT_EN and PULL_ENA */ +#undef PIN_OUTPUT +#undef PIN_OUTPUT_PULLUP +#undef PIN_OUTPUT_PULLDOWN +#undef PIN_INPUT +#undef PIN_INPUT_PULLUP +#undef PIN_INPUT_PULLDOWN + +#define PIN_OUTPUT (PULL_DISABLE) +#define PIN_OUTPUT_PULLUP (PULL_UP) +#define PIN_OUTPUT_PULLDOWN 0 +#define PIN_INPUT (INPUT_EN | PULL_DISABLE) +#define PIN_INPUT_PULLUP (INPUT_EN | PULL_UP) +#define PIN_INPUT_PULLDOWN (INPUT_EN) + +/* undef non-existing modes */ +#undef PIN_OFF_NONE +#undef PIN_OFF_OUTPUT_HIGH +#undef PIN_OFF_OUTPUT_LOW +#undef PIN_OFF_INPUT_PULLUP +#undef PIN_OFF_INPUT_PULLDOWN +#undef PIN_OFF_WAKEUPENABLE + +#endif + diff --git a/include/dt-bindings/pinctrl/at91.h b/include/dt-bindings/pinctrl/at91.h new file mode 100644 index 00000000000..d7988b4d8af --- /dev/null +++ b/include/dt-bindings/pinctrl/at91.h @@ -0,0 +1,35 @@ +/* + * This header provides constants for most at91 pinctrl bindings. + * + * Copyright (C) 2013 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> + * + * GPLv2 only + */ + +#ifndef __DT_BINDINGS_AT91_PINCTRL_H__ +#define __DT_BINDINGS_AT91_PINCTRL_H__ + +#define AT91_PINCTRL_NONE (0 << 0) +#define AT91_PINCTRL_PULL_UP (1 << 0) +#define AT91_PINCTRL_MULTI_DRIVE (1 << 1) +#define AT91_PINCTRL_DEGLITCH (1 << 2) +#define AT91_PINCTRL_PULL_DOWN (1 << 3) +#define AT91_PINCTRL_DIS_SCHMIT (1 << 4) +#define AT91_PINCTRL_DEBOUNCE (1 << 16) +#define AT91_PINCTRL_DEBOUNCE_VA(x) (x << 17) + +#define AT91_PINCTRL_PULL_UP_DEGLITCH (AT91_PINCTRL_PULL_UP | AT91_PINCTRL_DEGLITCH) + +#define AT91_PIOA 0 +#define AT91_PIOB 1 +#define AT91_PIOC 2 +#define AT91_PIOD 3 +#define AT91_PIOE 4 + +#define AT91_PERIPH_GPIO 0 +#define AT91_PERIPH_A 1 +#define AT91_PERIPH_B 2 +#define AT91_PERIPH_C 3 +#define AT91_PERIPH_D 4 + +#endif /* __DT_BINDINGS_AT91_PINCTRL_H__ */ diff --git a/include/dt-bindings/pinctrl/omap.h b/include/dt-bindings/pinctrl/omap.h new file mode 100644 index 00000000000..edbd250809c --- /dev/null +++ b/include/dt-bindings/pinctrl/omap.h @@ -0,0 +1,55 @@ +/* + * This header provides constants for OMAP pinctrl bindings. + * + * Copyright (C) 2009 Nokia + * Copyright (C) 2009-2010 Texas Instruments + */ + +#ifndef _DT_BINDINGS_PINCTRL_OMAP_H +#define _DT_BINDINGS_PINCTRL_OMAP_H + +/* 34xx mux mode options for each pin. See TRM for options */ +#define MUX_MODE0 0 +#define MUX_MODE1 1 +#define MUX_MODE2 2 +#define MUX_MODE3 3 +#define MUX_MODE4 4 +#define MUX_MODE5 5 +#define MUX_MODE6 6 +#define MUX_MODE7 7 + +/* 24xx/34xx mux bit defines */ +#define PULL_ENA (1 << 3) +#define PULL_UP (1 << 4) +#define ALTELECTRICALSEL (1 << 5) + +/* 34xx specific mux bit defines */ +#define INPUT_EN (1 << 8) +#define OFF_EN (1 << 9) +#define OFFOUT_EN (1 << 10) +#define OFFOUT_VAL (1 << 11) +#define OFF_PULL_EN (1 << 12) +#define OFF_PULL_UP (1 << 13) +#define WAKEUP_EN (1 << 14) + +/* 44xx specific mux bit defines */ +#define WAKEUP_EVENT (1 << 15) + +/* Active pin states */ +#define PIN_OUTPUT 0 +#define PIN_OUTPUT_PULLUP (PIN_OUTPUT | PULL_ENA | PULL_UP) +#define PIN_OUTPUT_PULLDOWN (PIN_OUTPUT | PULL_ENA) +#define PIN_INPUT INPUT_EN +#define PIN_INPUT_PULLUP (PULL_ENA | INPUT_EN | PULL_UP) +#define PIN_INPUT_PULLDOWN (PULL_ENA | INPUT_EN) + +/* Off mode states */ +#define PIN_OFF_NONE 0 +#define PIN_OFF_OUTPUT_HIGH (OFF_EN | OFFOUT_EN | OFFOUT_VAL) +#define PIN_OFF_OUTPUT_LOW (OFF_EN | OFFOUT_EN) +#define PIN_OFF_INPUT_PULLUP (OFF_EN | OFF_PULL_EN | OFF_PULL_UP) +#define PIN_OFF_INPUT_PULLDOWN (OFF_EN | OFF_PULL_EN) +#define PIN_OFF_WAKEUPENABLE WAKEUP_EN + +#endif + diff --git a/include/linux/arm-cci.h b/include/linux/arm-cci.h new file mode 100644 index 00000000000..79d6edf446d --- /dev/null +++ b/include/linux/arm-cci.h @@ -0,0 +1,61 @@ +/* + * CCI cache coherent interconnect support + * + * Copyright (C) 2013 ARM Ltd. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program 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 General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#ifndef __LINUX_ARM_CCI_H +#define __LINUX_ARM_CCI_H + +#include <linux/errno.h> +#include <linux/types.h> + +struct device_node; + +#ifdef CONFIG_ARM_CCI +extern bool cci_probed(void); +extern int cci_ace_get_port(struct device_node *dn); +extern int cci_disable_port_by_cpu(u64 mpidr); +extern int __cci_control_port_by_device(struct device_node *dn, bool enable); +extern int __cci_control_port_by_index(u32 port, bool enable); +#else +static inline bool cci_probed(void) { return false; } +static inline int cci_ace_get_port(struct device_node *dn) +{ + return -ENODEV; +} +static inline int cci_disable_port_by_cpu(u64 mpidr) { return -ENODEV; } +static inline int __cci_control_port_by_device(struct device_node *dn, + bool enable) +{ + return -ENODEV; +} +static inline int __cci_control_port_by_index(u32 port, bool enable) +{ + return -ENODEV; +} +#endif +#define cci_disable_port_by_device(dev) \ + __cci_control_port_by_device(dev, false) +#define cci_enable_port_by_device(dev) \ + __cci_control_port_by_device(dev, true) +#define cci_disable_port_by_index(dev) \ + __cci_control_port_by_index(dev, false) +#define cci_enable_port_by_index(dev) \ + __cci_control_port_by_index(dev, true) + +#endif diff --git a/include/linux/buffer_head.h b/include/linux/buffer_head.h index 9e52b0626b3..f5a3b838ddb 100644 --- a/include/linux/buffer_head.h +++ b/include/linux/buffer_head.h @@ -198,7 +198,8 @@ extern int buffer_heads_over_limit; * Generic address_space_operations implementations for buffer_head-backed * address_spaces. */ -void block_invalidatepage(struct page *page, unsigned long offset); +void block_invalidatepage(struct page *page, unsigned int offset, + unsigned int length); int block_write_full_page(struct page *page, get_block_t *get_block, struct writeback_control *wbc); int block_write_full_page_endio(struct page *page, get_block_t *get_block, diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h index 8bda1294c03..fd097ecfcd9 100644 --- a/include/linux/cgroup.h +++ b/include/linux/cgroup.h @@ -20,6 +20,7 @@ #include <linux/workqueue.h> #include <linux/xattr.h> #include <linux/fs.h> +#include <linux/percpu-refcount.h> #ifdef CONFIG_CGROUPS @@ -72,13 +73,8 @@ struct cgroup_subsys_state { */ struct cgroup *cgroup; - /* - * State maintained by the cgroup system to allow subsystems - * to be "busy". Should be accessed via css_get(), - * css_tryget() and css_put(). - */ - - atomic_t refcnt; + /* reference count - access via css_[try]get() and css_put() */ + struct percpu_ref refcnt; unsigned long flags; /* ID for this css, if possible */ @@ -94,56 +90,52 @@ enum { CSS_ONLINE = (1 << 1), /* between ->css_online() and ->css_offline() */ }; -/* Caller must verify that the css is not for root cgroup */ -static inline void __css_get(struct cgroup_subsys_state *css, int count) -{ - atomic_add(count, &css->refcnt); -} - -/* - * Call css_get() to hold a reference on the css; it can be used - * for a reference obtained via: - * - an existing ref-counted reference to the css - * - task->cgroups for a locked task +/** + * css_get - obtain a reference on the specified css + * @css: target css + * + * The caller must already have a reference. */ - static inline void css_get(struct cgroup_subsys_state *css) { /* We don't need to reference count the root state */ if (!(css->flags & CSS_ROOT)) - __css_get(css, 1); + percpu_ref_get(&css->refcnt); } -/* - * Call css_tryget() to take a reference on a css if your existing - * (known-valid) reference isn't already ref-counted. Returns false if - * the css has been destroyed. +/** + * css_tryget - try to obtain a reference on the specified css + * @css: target css + * + * Obtain a reference on @css if it's alive. The caller naturally needs to + * ensure that @css is accessible but doesn't have to be holding a + * reference on it - IOW, RCU protected access is good enough for this + * function. Returns %true if a reference count was successfully obtained; + * %false otherwise. */ - -extern bool __css_tryget(struct cgroup_subsys_state *css); static inline bool css_tryget(struct cgroup_subsys_state *css) { if (css->flags & CSS_ROOT) return true; - return __css_tryget(css); + return percpu_ref_tryget(&css->refcnt); } -/* - * css_put() should be called to release a reference taken by - * css_get() or css_tryget() +/** + * css_put - put a css reference + * @css: target css + * + * Put a reference obtained via css_get() and css_tryget(). */ - -extern void __css_put(struct cgroup_subsys_state *css); static inline void css_put(struct cgroup_subsys_state *css) { if (!(css->flags & CSS_ROOT)) - __css_put(css); + percpu_ref_put(&css->refcnt); } /* bits in struct cgroup flags field */ enum { /* Control Group is dead */ - CGRP_REMOVED, + CGRP_DEAD, /* * Control Group has previously had a child cgroup or a task, * but no longer (only if CGRP_NOTIFY_ON_RELEASE is set) @@ -169,12 +161,6 @@ struct cgroup_name { struct cgroup { unsigned long flags; /* "unsigned long" so bitops work */ - /* - * count users of this cgroup. >0 means busy, but doesn't - * necessarily indicate the number of tasks in the cgroup - */ - atomic_t count; - int id; /* ida allocated in-hierarchy ID */ /* @@ -189,6 +175,14 @@ struct cgroup { struct dentry *dentry; /* cgroup fs entry, RCU protected */ /* + * Monotonically increasing unique serial number which defines a + * uniform order among all cgroups. It's guaranteed that all + * ->children lists are in the ascending order of ->serial_nr. + * It's used to allow interrupting and resuming iterations. + */ + u64 serial_nr; + + /* * This is a copy of dentry->d_name, and it's needed because * we can't use dentry->d_name in cgroup_path(). * @@ -207,13 +201,10 @@ struct cgroup { struct cgroupfs_root *root; /* - * List of cg_cgroup_links pointing at css_sets with - * tasks in this cgroup. Protected by css_set_lock + * List of cgrp_cset_links pointing at css_sets with tasks in this + * cgroup. Protected by css_set_lock. */ - struct list_head css_sets; - - struct list_head allcg_node; /* cgroupfs_root->allcg_list */ - struct list_head cft_q_node; /* used during cftype add/rm */ + struct list_head cset_links; /* * Linked list running through all cgroups that can @@ -229,9 +220,10 @@ struct cgroup { struct list_head pidlists; struct mutex pidlist_mutex; - /* For RCU-protected deletion */ + /* For css percpu_ref killing and RCU-protected deletion */ struct rcu_head rcu_head; - struct work_struct free_work; + struct work_struct destroy_work; + atomic_t css_kill_cnt; /* List of events which userspace want to receive */ struct list_head event_list; @@ -269,18 +261,33 @@ enum { * * - Remount is disallowed. * - * - memcg: use_hierarchy is on by default and the cgroup file for - * the flag is not created. + * - rename(2) is disallowed. * - * The followings are planned changes. + * - "tasks" is removed. Everything should be at process + * granularity. Use "cgroup.procs" instead. * - * - release_agent will be disallowed once replacement notification - * mechanism is implemented. + * - "release_agent" and "notify_on_release" are removed. + * Replacement notification mechanism will be implemented. + * + * - cpuset: tasks will be kept in empty cpusets when hotplug happens + * and take masks of ancestors with non-empty cpus/mems, instead of + * being moved to an ancestor. + * + * - cpuset: a task can be moved into an empty cpuset, and again it + * takes masks of ancestors. + * + * - memcg: use_hierarchy is on by default and the cgroup file for + * the flag is not created. */ CGRP_ROOT_SANE_BEHAVIOR = (1 << 0), CGRP_ROOT_NOPREFIX = (1 << 1), /* mounted subsystems have no named prefix */ CGRP_ROOT_XATTR = (1 << 2), /* supports extended attributes */ + + /* mount options live below bit 16 */ + CGRP_ROOT_OPTION_MASK = (1 << 16) - 1, + + CGRP_ROOT_SUBSYS_BOUND = (1 << 16), /* subsystems finished binding */ }; /* @@ -291,18 +298,12 @@ enum { struct cgroupfs_root { struct super_block *sb; - /* - * The bitmask of subsystems intended to be attached to this - * hierarchy - */ + /* The bitmask of subsystems attached to this hierarchy */ unsigned long subsys_mask; /* Unique id for this hierarchy. */ int hierarchy_id; - /* The bitmask of subsystems currently attached to this hierarchy */ - unsigned long actual_subsys_mask; - /* A list running through the attached subsystems */ struct list_head subsys_list; @@ -315,9 +316,6 @@ struct cgroupfs_root { /* A list running through the active hierarchies */ struct list_head root_list; - /* All cgroups on this root, cgroup_mutex protected */ - struct list_head allcg_list; - /* Hierarchy-specific flags */ unsigned long flags; @@ -357,11 +355,10 @@ struct css_set { struct list_head tasks; /* - * List of cg_cgroup_link objects on link chains from - * cgroups referenced from this css_set. Protected by - * css_set_lock + * List of cgrp_cset_links pointing at cgroups referenced from this + * css_set. Protected by css_set_lock. */ - struct list_head cg_links; + struct list_head cgrp_links; /* * Set of subsystem states, one for each subsystem. This array @@ -394,9 +391,11 @@ struct cgroup_map_cb { */ /* cftype->flags */ -#define CFTYPE_ONLY_ON_ROOT (1U << 0) /* only create on root cg */ -#define CFTYPE_NOT_ON_ROOT (1U << 1) /* don't create on root cg */ -#define CFTYPE_INSANE (1U << 2) /* don't create if sane_behavior */ +enum { + CFTYPE_ONLY_ON_ROOT = (1 << 0), /* only create on root cg */ + CFTYPE_NOT_ON_ROOT = (1 << 1), /* don't create on root cg */ + CFTYPE_INSANE = (1 << 2), /* don't create if sane_behavior */ +}; #define MAX_CFTYPE_NAME 64 @@ -442,13 +441,13 @@ struct cftype { * entry. The key/value pairs (and their ordering) should not * change between reboots. */ - int (*read_map)(struct cgroup *cont, struct cftype *cft, + int (*read_map)(struct cgroup *cgrp, struct cftype *cft, struct cgroup_map_cb *cb); /* * read_seq_string() is used for outputting a simple sequence * using seqfile. */ - int (*read_seq_string)(struct cgroup *cont, struct cftype *cft, + int (*read_seq_string)(struct cgroup *cgrp, struct cftype *cft, struct seq_file *m); ssize_t (*write)(struct cgroup *cgrp, struct cftype *cft, @@ -538,10 +537,11 @@ static inline const char *cgroup_name(const struct cgroup *cgrp) int cgroup_add_cftypes(struct cgroup_subsys *ss, struct cftype *cfts); int cgroup_rm_cftypes(struct cgroup_subsys *ss, struct cftype *cfts); -int cgroup_is_removed(const struct cgroup *cgrp); bool cgroup_is_descendant(struct cgroup *cgrp, struct cgroup *ancestor); int cgroup_path(const struct cgroup *cgrp, char *buf, int buflen); +int task_cgroup_path_from_hierarchy(struct task_struct *task, int hierarchy_id, + char *buf, size_t buflen); int cgroup_task_count(const struct cgroup *cgrp); @@ -646,22 +646,60 @@ static inline struct cgroup_subsys_state *cgroup_subsys_state( return cgrp->subsys[subsys_id]; } -/* - * function to get the cgroup_subsys_state which allows for extra - * rcu_dereference_check() conditions, such as locks used during the - * cgroup_subsys::attach() methods. +/** + * task_css_set_check - obtain a task's css_set with extra access conditions + * @task: the task to obtain css_set for + * @__c: extra condition expression to be passed to rcu_dereference_check() + * + * A task's css_set is RCU protected, initialized and exited while holding + * task_lock(), and can only be modified while holding both cgroup_mutex + * and task_lock() while the task is alive. This macro verifies that the + * caller is inside proper critical section and returns @task's css_set. + * + * The caller can also specify additional allowed conditions via @__c, such + * as locks used during the cgroup_subsys::attach() methods. */ #ifdef CONFIG_PROVE_RCU extern struct mutex cgroup_mutex; -#define task_subsys_state_check(task, subsys_id, __c) \ - rcu_dereference_check((task)->cgroups->subsys[(subsys_id)], \ - lockdep_is_held(&(task)->alloc_lock) || \ - lockdep_is_held(&cgroup_mutex) || (__c)) +#define task_css_set_check(task, __c) \ + rcu_dereference_check((task)->cgroups, \ + lockdep_is_held(&(task)->alloc_lock) || \ + lockdep_is_held(&cgroup_mutex) || (__c)) #else -#define task_subsys_state_check(task, subsys_id, __c) \ - rcu_dereference((task)->cgroups->subsys[(subsys_id)]) +#define task_css_set_check(task, __c) \ + rcu_dereference((task)->cgroups) #endif +/** + * task_subsys_state_check - obtain css for (task, subsys) w/ extra access conds + * @task: the target task + * @subsys_id: the target subsystem ID + * @__c: extra condition expression to be passed to rcu_dereference_check() + * + * Return the cgroup_subsys_state for the (@task, @subsys_id) pair. The + * synchronization rules are the same as task_css_set_check(). + */ +#define task_subsys_state_check(task, subsys_id, __c) \ + task_css_set_check((task), (__c))->subsys[(subsys_id)] + +/** + * task_css_set - obtain a task's css_set + * @task: the task to obtain css_set for + * + * See task_css_set_check(). + */ +static inline struct css_set *task_css_set(struct task_struct *task) +{ + return task_css_set_check(task, false); +} + +/** + * task_subsys_state - obtain css for (task, subsys) + * @task: the target task + * @subsys_id: the target subsystem ID + * + * See task_subsys_state_check(). + */ static inline struct cgroup_subsys_state * task_subsys_state(struct task_struct *task, int subsys_id) { @@ -674,12 +712,14 @@ static inline struct cgroup* task_cgroup(struct task_struct *task, return task_subsys_state(task, subsys_id)->cgroup; } +struct cgroup *cgroup_next_sibling(struct cgroup *pos); + /** * cgroup_for_each_child - iterate through children of a cgroup * @pos: the cgroup * to use as the loop cursor - * @cgroup: cgroup whose children to walk + * @cgrp: cgroup whose children to walk * - * Walk @cgroup's children. Must be called under rcu_read_lock(). A child + * Walk @cgrp's children. Must be called under rcu_read_lock(). A child * cgroup which hasn't finished ->css_online() or already has finished * ->css_offline() may show up during traversal and it's each subsystem's * responsibility to verify that each @pos is alive. @@ -687,9 +727,15 @@ static inline struct cgroup* task_cgroup(struct task_struct *task, * If a subsystem synchronizes against the parent in its ->css_online() and * before starting iterating, a cgroup which finished ->css_online() is * guaranteed to be visible in the future iterations. + * + * It is allowed to temporarily drop RCU read lock during iteration. The + * caller is responsible for ensuring that @pos remains accessible until + * the start of the next iteration by, for example, bumping the css refcnt. */ -#define cgroup_for_each_child(pos, cgroup) \ - list_for_each_entry_rcu(pos, &(cgroup)->children, sibling) +#define cgroup_for_each_child(pos, cgrp) \ + for ((pos) = list_first_or_null_rcu(&(cgrp)->children, \ + struct cgroup, sibling); \ + (pos); (pos) = cgroup_next_sibling((pos))) struct cgroup *cgroup_next_descendant_pre(struct cgroup *pos, struct cgroup *cgroup); @@ -748,6 +794,10 @@ struct cgroup *cgroup_rightmost_descendant(struct cgroup *pos); * Alternatively, a subsystem may choose to use a single global lock to * synchronize ->css_online() and ->css_offline() against tree-walking * operations. + * + * It is allowed to temporarily drop RCU read lock during iteration. The + * caller is responsible for ensuring that @pos remains accessible until + * the start of the next iteration by, for example, bumping the css refcnt. */ #define cgroup_for_each_descendant_pre(pos, cgroup) \ for (pos = cgroup_next_descendant_pre(NULL, (cgroup)); (pos); \ @@ -771,7 +821,7 @@ struct cgroup *cgroup_next_descendant_post(struct cgroup *pos, /* A cgroup_iter should be treated as an opaque object */ struct cgroup_iter { - struct list_head *cg_link; + struct list_head *cset_link; struct list_head *task; }; @@ -827,7 +877,6 @@ bool css_is_ancestor(struct cgroup_subsys_state *cg, /* Get id and depth of css */ unsigned short css_id(struct cgroup_subsys_state *css); -unsigned short css_depth(struct cgroup_subsys_state *css); struct cgroup_subsys_state *cgroup_css_from_dir(struct file *f, int id); #else /* !CONFIG_CGROUPS */ @@ -838,8 +887,6 @@ static inline void cgroup_fork(struct task_struct *p) {} static inline void cgroup_post_fork(struct task_struct *p) {} static inline void cgroup_exit(struct task_struct *p, int callbacks) {} -static inline void cgroup_lock(void) {} -static inline void cgroup_unlock(void) {} static inline int cgroupstats_build(struct cgroupstats *stats, struct dentry *dentry) { diff --git a/include/linux/clk/mvebu.h b/include/linux/clk/mvebu.h deleted file mode 100644 index 8c4ae713b06..00000000000 --- a/include/linux/clk/mvebu.h +++ /dev/null @@ -1,22 +0,0 @@ -/* - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program 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 General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#ifndef __CLK_MVEBU_H_ -#define __CLK_MVEBU_H_ - -void __init mvebu_clocks_init(void); - -#endif diff --git a/include/linux/clk/zynq.h b/include/linux/clk/zynq.h index 56be7cd9aa8..e062d317ccc 100644 --- a/include/linux/clk/zynq.h +++ b/include/linux/clk/zynq.h @@ -1,4 +1,5 @@ /* + * Copyright (C) 2013 Xilinx Inc. * Copyright (C) 2012 National Instruments * * This program is free software; you can redistribute it and/or modify @@ -19,6 +20,11 @@ #ifndef __LINUX_CLK_ZYNQ_H_ #define __LINUX_CLK_ZYNQ_H_ -void __init xilinx_zynq_clocks_init(void __iomem *slcr); +#include <linux/spinlock.h> +void zynq_clock_init(void __iomem *slcr); + +struct clk *clk_register_zynq_pll(const char *name, const char *parent, + void __iomem *pll_ctrl, void __iomem *pll_status, u8 lock_index, + spinlock_t *lock); #endif diff --git a/include/linux/completion.h b/include/linux/completion.h index 33f0280fd53..3cd574d5b19 100644 --- a/include/linux/completion.h +++ b/include/linux/completion.h @@ -5,7 +5,7 @@ * (C) Copyright 2001 Linus Torvalds * * Atomic wait-for-completion handler data structures. - * See kernel/sched.c for details. + * See kernel/sched/core.c for details. */ #include <linux/wait.h> diff --git a/include/linux/console.h b/include/linux/console.h index 73bab0f58af..7571a16bd65 100644 --- a/include/linux/console.h +++ b/include/linux/console.h @@ -75,10 +75,7 @@ extern const struct consw newport_con; /* SGI Newport console */ extern const struct consw prom_con; /* SPARC PROM console */ int con_is_bound(const struct consw *csw); -int register_con_driver(const struct consw *csw, int first, int last); -int unregister_con_driver(const struct consw *csw); int do_unregister_con_driver(const struct consw *csw); -int take_over_console(const struct consw *sw, int first, int last, int deflt); int do_take_over_console(const struct consw *sw, int first, int last, int deflt); void give_up_console(const struct consw *sw); #ifdef CONFIG_HW_CONSOLE diff --git a/include/linux/context_tracking.h b/include/linux/context_tracking.h index 365f4a61bf0..fc09d7b0dac 100644 --- a/include/linux/context_tracking.h +++ b/include/linux/context_tracking.h @@ -3,6 +3,7 @@ #include <linux/sched.h> #include <linux/percpu.h> +#include <linux/vtime.h> #include <asm/ptrace.h> struct context_tracking { @@ -19,6 +20,26 @@ struct context_tracking { } state; }; +static inline void __guest_enter(void) +{ + /* + * This is running in ioctl context so we can avoid + * the call to vtime_account() with its unnecessary idle check. + */ + vtime_account_system(current); + current->flags |= PF_VCPU; +} + +static inline void __guest_exit(void) +{ + /* + * This is running in ioctl context so we can avoid + * the call to vtime_account() with its unnecessary idle check. + */ + vtime_account_system(current); + current->flags &= ~PF_VCPU; +} + #ifdef CONFIG_CONTEXT_TRACKING DECLARE_PER_CPU(struct context_tracking, context_tracking); @@ -35,6 +56,9 @@ static inline bool context_tracking_active(void) extern void user_enter(void); extern void user_exit(void); +extern void guest_enter(void); +extern void guest_exit(void); + static inline enum ctx_state exception_enter(void) { enum ctx_state prev_ctx; @@ -57,6 +81,17 @@ extern void context_tracking_task_switch(struct task_struct *prev, static inline bool context_tracking_in_user(void) { return false; } static inline void user_enter(void) { } static inline void user_exit(void) { } + +static inline void guest_enter(void) +{ + __guest_enter(); +} + +static inline void guest_exit(void) +{ + __guest_exit(); +} + static inline enum ctx_state exception_enter(void) { return 0; } static inline void exception_exit(enum ctx_state prev_ctx) { } static inline void context_tracking_task_switch(struct task_struct *prev, diff --git a/include/linux/cpu.h b/include/linux/cpu.h index c6f6e0839b6..9f3c7e81270 100644 --- a/include/linux/cpu.h +++ b/include/linux/cpu.h @@ -175,6 +175,8 @@ extern struct bus_type cpu_subsys; extern void get_online_cpus(void); extern void put_online_cpus(void); +extern void cpu_hotplug_disable(void); +extern void cpu_hotplug_enable(void); #define hotcpu_notifier(fn, pri) cpu_notifier(fn, pri) #define register_hotcpu_notifier(nb) register_cpu_notifier(nb) #define unregister_hotcpu_notifier(nb) unregister_cpu_notifier(nb) @@ -198,6 +200,8 @@ static inline void cpu_hotplug_driver_unlock(void) #define get_online_cpus() do { } while (0) #define put_online_cpus() do { } while (0) +#define cpu_hotplug_disable() do { } while (0) +#define cpu_hotplug_enable() do { } while (0) #define hotcpu_notifier(fn, pri) do { (void)(fn); } while (0) /* These aren't inline functions due to a GCC bug. */ #define register_hotcpu_notifier(nb) ({ (void)(nb); 0; }) diff --git a/include/linux/dcache.h b/include/linux/dcache.h index 1a6bb81f0fe..f42dbe14547 100644 --- a/include/linux/dcache.h +++ b/include/linux/dcache.h @@ -146,10 +146,8 @@ enum dentry_d_lock_class struct dentry_operations { int (*d_revalidate)(struct dentry *, unsigned int); int (*d_weak_revalidate)(struct dentry *, unsigned int); - int (*d_hash)(const struct dentry *, const struct inode *, - struct qstr *); - int (*d_compare)(const struct dentry *, const struct inode *, - const struct dentry *, const struct inode *, + int (*d_hash)(const struct dentry *, struct qstr *); + int (*d_compare)(const struct dentry *, const struct dentry *, unsigned int, const char *, const struct qstr *); int (*d_delete)(const struct dentry *); void (*d_release)(struct dentry *); @@ -246,6 +244,8 @@ extern struct dentry * d_make_root(struct inode *); /* <clickety>-<click> the ramfs-type tree */ extern void d_genocide(struct dentry *); +extern void d_tmpfile(struct dentry *, struct inode *); + extern struct dentry *d_find_alias(struct inode *); extern void d_prune_aliases(struct inode *); @@ -300,8 +300,7 @@ extern struct dentry *d_lookup(const struct dentry *, const struct qstr *); extern struct dentry *d_hash_and_lookup(struct dentry *, struct qstr *); extern struct dentry *__d_lookup(const struct dentry *, const struct qstr *); extern struct dentry *__d_lookup_rcu(const struct dentry *parent, - const struct qstr *name, - unsigned *seq, struct inode *inode); + const struct qstr *name, unsigned *seq); /** * __d_rcu_to_refcount - take a refcount on dentry if sequence check is ok diff --git a/include/linux/debugfs.h b/include/linux/debugfs.h index 63f2465807d..d68b4ea7343 100644 --- a/include/linux/debugfs.h +++ b/include/linux/debugfs.h @@ -79,6 +79,8 @@ struct dentry *debugfs_create_x64(const char *name, umode_t mode, struct dentry *parent, u64 *value); struct dentry *debugfs_create_size_t(const char *name, umode_t mode, struct dentry *parent, size_t *value); +struct dentry *debugfs_create_atomic_t(const char *name, umode_t mode, + struct dentry *parent, atomic_t *value); struct dentry *debugfs_create_bool(const char *name, umode_t mode, struct dentry *parent, u32 *value); diff --git a/include/linux/device.h b/include/linux/device.h index c0a12612532..9d4835a8f8b 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -80,6 +80,7 @@ extern void bus_remove_file(struct bus_type *, struct bus_attribute *); * bus-specific setup * @p: The private data of the driver core, only the driver core can * touch this. + * @lock_key: Lock class key for use by the lock validator * * A bus is a channel between the processor and one or more devices. For the * purposes of the device model, all devices are connected via a bus, even if @@ -635,6 +636,7 @@ struct acpi_dev_node { * segment limitations. * @dma_pools: Dma pools (if dma'ble device). * @dma_mem: Internal for coherent mem override. + * @cma_area: Contiguous memory area for dma allocations * @archdata: For arch-specific additions. * @of_node: Associated device tree node. * @acpi_node: Associated ACPI device node. @@ -648,6 +650,7 @@ struct acpi_dev_node { * @release: Callback to free the device after all references have * gone away. This should be set by the allocator of the * device (i.e. the bus driver that discovered the device). + * @iommu_group: IOMMU group the device belongs to. * * At the lowest level, every device in a Linux system is represented by an * instance of struct device. The device structure contains the information diff --git a/include/linux/dw_apb_timer.h b/include/linux/dw_apb_timer.h index dd755ce2a5e..07261d52a6d 100644 --- a/include/linux/dw_apb_timer.h +++ b/include/linux/dw_apb_timer.h @@ -53,5 +53,4 @@ void dw_apb_clocksource_start(struct dw_apb_clocksource *dw_cs); cycle_t dw_apb_clocksource_read(struct dw_apb_clocksource *dw_cs); void dw_apb_clocksource_unregister(struct dw_apb_clocksource *dw_cs); -extern void dw_apb_timer_init(void); #endif /* __DW_APB_TIMER_H__ */ diff --git a/include/linux/efi.h b/include/linux/efi.h index 2bc0ad78d05..21ae6b3c035 100644 --- a/include/linux/efi.h +++ b/include/linux/efi.h @@ -287,20 +287,20 @@ typedef struct { typedef struct { efi_table_hdr_t hdr; - unsigned long get_time; - unsigned long set_time; - unsigned long get_wakeup_time; - unsigned long set_wakeup_time; - unsigned long set_virtual_address_map; - unsigned long convert_pointer; - unsigned long get_variable; - unsigned long get_next_variable; - unsigned long set_variable; - unsigned long get_next_high_mono_count; - unsigned long reset_system; - unsigned long update_capsule; - unsigned long query_capsule_caps; - unsigned long query_variable_info; + void *get_time; + void *set_time; + void *get_wakeup_time; + void *set_wakeup_time; + void *set_virtual_address_map; + void *convert_pointer; + void *get_variable; + void *get_next_variable; + void *set_variable; + void *get_next_high_mono_count; + void *reset_system; + void *update_capsule; + void *query_capsule_caps; + void *query_variable_info; } efi_runtime_services_t; typedef efi_status_t efi_get_time_t (efi_time_t *tm, efi_time_cap_t *tc); diff --git a/include/linux/f2fs_fs.h b/include/linux/f2fs_fs.h index df6fab82f87..383d5e39b28 100644 --- a/include/linux/f2fs_fs.h +++ b/include/linux/f2fs_fs.h @@ -20,8 +20,8 @@ #define F2FS_BLKSIZE 4096 /* support only 4KB block */ #define F2FS_MAX_EXTENSION 64 /* # of extension entries */ -#define NULL_ADDR 0x0U -#define NEW_ADDR -1U +#define NULL_ADDR ((block_t)0) /* used as block_t addresses */ +#define NEW_ADDR ((block_t)-1) /* used as block_t addresses */ #define F2FS_ROOT_INO(sbi) (sbi->root_ino_num) #define F2FS_NODE_INO(sbi) (sbi->node_ino_num) diff --git a/include/linux/filter.h b/include/linux/filter.h index c050dcc322a..f65f5a69db8 100644 --- a/include/linux/filter.h +++ b/include/linux/filter.h @@ -46,6 +46,7 @@ extern int sk_attach_filter(struct sock_fprog *fprog, struct sock *sk); extern int sk_detach_filter(struct sock *sk); extern int sk_chk_filter(struct sock_filter *filter, unsigned int flen); extern int sk_get_filter(struct sock *sk, struct sock_filter __user *filter, unsigned len); +extern void sk_decode_filter(struct sock_filter *filt, struct sock_filter *to); #ifdef CONFIG_BPF_JIT #include <stdarg.h> diff --git a/include/linux/firmware.h b/include/linux/firmware.h index e4279fedb93..e154c1005cd 100644 --- a/include/linux/firmware.h +++ b/include/linux/firmware.h @@ -47,8 +47,6 @@ int request_firmware_nowait( void (*cont)(const struct firmware *fw, void *context)); void release_firmware(const struct firmware *fw); -int cache_firmware(const char *name); -int uncache_firmware(const char *name); #else static inline int request_firmware(const struct firmware **fw, const char *name, @@ -68,15 +66,6 @@ static inline void release_firmware(const struct firmware *fw) { } -static inline int cache_firmware(const char *name) -{ - return -ENOENT; -} - -static inline int uncache_firmware(const char *name) -{ - return -EINVAL; -} #endif #endif diff --git a/include/linux/fmc-sdb.h b/include/linux/fmc-sdb.h new file mode 100644 index 00000000000..1974317a9b3 --- /dev/null +++ b/include/linux/fmc-sdb.h @@ -0,0 +1,36 @@ +/* + * This file is separate from sdb.h, because I want that one to remain + * unchanged (as far as possible) from the official sdb distribution + * + * This file and associated functionality are a playground for me to + * understand stuff which will later be implemented in more generic places. + */ +#include <linux/sdb.h> + +/* This is the union of all currently defined types */ +union sdb_record { + struct sdb_interconnect ic; + struct sdb_device dev; + struct sdb_bridge bridge; + struct sdb_integration integr; + struct sdb_empty empty; +}; + +struct fmc_device; + +/* Every sdb table is turned into this structure */ +struct sdb_array { + int len; + int level; + unsigned long baseaddr; + struct fmc_device *fmc; /* the device that hosts it */ + struct sdb_array *parent; /* NULL at root */ + union sdb_record *record; /* copies of the struct */ + struct sdb_array **subtree; /* only valid for bridge items */ +}; + +extern int fmc_scan_sdb_tree(struct fmc_device *fmc, unsigned long address); +extern void fmc_show_sdb_tree(const struct fmc_device *fmc); +extern signed long fmc_find_sdb_device(struct sdb_array *tree, uint64_t vendor, + uint32_t device, unsigned long *sz); +extern int fmc_free_sdb_tree(struct fmc_device *fmc); diff --git a/include/linux/fmc.h b/include/linux/fmc.h new file mode 100644 index 00000000000..a5f0aa5c2a8 --- /dev/null +++ b/include/linux/fmc.h @@ -0,0 +1,237 @@ +/* + * Copyright (C) 2012 CERN (www.cern.ch) + * Author: Alessandro Rubini <rubini@gnudd.com> + * + * Released according to the GNU GPL, version 2 or any later version. + * + * This work is part of the White Rabbit project, a research effort led + * by CERN, the European Institute for Nuclear Research. + */ +#ifndef __LINUX_FMC_H__ +#define __LINUX_FMC_H__ +#include <linux/types.h> +#include <linux/moduleparam.h> +#include <linux/device.h> +#include <linux/list.h> +#include <linux/interrupt.h> +#include <linux/io.h> + +struct fmc_device; +struct fmc_driver; + +/* + * This bus abstraction is developed separately from drivers, so we need + * to check the version of the data structures we receive. + */ + +#define FMC_MAJOR 3 +#define FMC_MINOR 0 +#define FMC_VERSION ((FMC_MAJOR << 16) | FMC_MINOR) +#define __FMC_MAJOR(x) ((x) >> 16) +#define __FMC_MINOR(x) ((x) & 0xffff) + +/* + * The device identification, as defined by the IPMI FRU (Field Replaceable + * Unit) includes four different strings to describe the device. Here we + * only match the "Board Manufacturer" and the "Board Product Name", + * ignoring the "Board Serial Number" and "Board Part Number". All 4 are + * expected to be strings, so they are treated as zero-terminated C strings. + * Unspecified string (NULL) means "any", so if both are unspecified this + * is a catch-all driver. So null entries are allowed and we use array + * and length. This is unlike pci and usb that use null-terminated arrays + */ +struct fmc_fru_id { + char *manufacturer; + char *product_name; +}; + +/* + * If the FPGA is already programmed (think Etherbone or the second + * SVEC slot), we can match on SDB devices in the memory image. This + * match uses an array of devices that must all be present, and the + * match is based on vendor and device only. Further checks are expected + * to happen in the probe function. Zero means "any" and catch-all is allowed. + */ +struct fmc_sdb_one_id { + uint64_t vendor; + uint32_t device; +}; +struct fmc_sdb_id { + struct fmc_sdb_one_id *cores; + int cores_nr; +}; + +struct fmc_device_id { + struct fmc_fru_id *fru_id; + int fru_id_nr; + struct fmc_sdb_id *sdb_id; + int sdb_id_nr; +}; + +/* This sizes the module_param_array used by generic module parameters */ +#define FMC_MAX_CARDS 32 + +/* The driver is a pretty simple thing */ +struct fmc_driver { + unsigned long version; + struct device_driver driver; + int (*probe)(struct fmc_device *); + int (*remove)(struct fmc_device *); + const struct fmc_device_id id_table; + /* What follows is for generic module parameters */ + int busid_n; + int busid_val[FMC_MAX_CARDS]; + int gw_n; + char *gw_val[FMC_MAX_CARDS]; +}; +#define to_fmc_driver(x) container_of((x), struct fmc_driver, driver) + +/* These are the generic parameters, that drivers may instantiate */ +#define FMC_PARAM_BUSID(_d) \ + module_param_array_named(busid, _d.busid_val, int, &_d.busid_n, 0444) +#define FMC_PARAM_GATEWARE(_d) \ + module_param_array_named(gateware, _d.gw_val, charp, &_d.gw_n, 0444) + +/* + * Drivers may need to configure gpio pins in the carrier. To read input + * (a very uncommon operation, and definitely not in the hot paths), just + * configure one gpio only and get 0 or 1 as retval of the config method + */ +struct fmc_gpio { + char *carrier_name; /* name or NULL for virtual pins */ + int gpio; + int _gpio; /* internal use by the carrier */ + int mode; /* GPIOF_DIR_OUT etc, from <linux/gpio.h> */ + int irqmode; /* IRQF_TRIGGER_LOW and so on */ +}; + +/* The numbering of gpio pins allows access to raw pins or virtual roles */ +#define FMC_GPIO_RAW(x) (x) /* 4096 of them */ +#define __FMC_GPIO_IS_RAW(x) ((x) < 0x1000) +#define FMC_GPIO_IRQ(x) ((x) + 0x1000) /* 256 of them */ +#define FMC_GPIO_LED(x) ((x) + 0x1100) /* 256 of them */ +#define FMC_GPIO_KEY(x) ((x) + 0x1200) /* 256 of them */ +#define FMC_GPIO_TP(x) ((x) + 0x1300) /* 256 of them */ +#define FMC_GPIO_USER(x) ((x) + 0x1400) /* 256 of them */ +/* We may add SCL and SDA, or other roles if the need arises */ + +/* GPIOF_DIR_IN etc are missing before 3.0. copy from <linux/gpio.h> */ +#ifndef GPIOF_DIR_IN +# define GPIOF_DIR_OUT (0 << 0) +# define GPIOF_DIR_IN (1 << 0) +# define GPIOF_INIT_LOW (0 << 1) +# define GPIOF_INIT_HIGH (1 << 1) +#endif + +/* + * The operations are offered by each carrier and should make driver + * design completely independent of the carrier. Named GPIO pins may be + * the exception. + */ +struct fmc_operations { + uint32_t (*read32)(struct fmc_device *fmc, int offset); + void (*write32)(struct fmc_device *fmc, uint32_t value, int offset); + int (*validate)(struct fmc_device *fmc, struct fmc_driver *drv); + int (*reprogram)(struct fmc_device *f, struct fmc_driver *d, char *gw); + int (*irq_request)(struct fmc_device *fmc, irq_handler_t h, + char *name, int flags); + void (*irq_ack)(struct fmc_device *fmc); + int (*irq_free)(struct fmc_device *fmc); + int (*gpio_config)(struct fmc_device *fmc, struct fmc_gpio *gpio, + int ngpio); + int (*read_ee)(struct fmc_device *fmc, int pos, void *d, int l); + int (*write_ee)(struct fmc_device *fmc, int pos, const void *d, int l); +}; + +/* Prefer this helper rather than calling of fmc->reprogram directly */ +extern int fmc_reprogram(struct fmc_device *f, struct fmc_driver *d, char *gw, + int sdb_entry); + +/* + * The device reports all information needed to access hw. + * + * If we have eeprom_len and not contents, the core reads it. + * Then, parsing of identifiers is done by the core which fills fmc_fru_id.. + * Similarly a device that must be matched based on SDB cores must + * fill the entry point and the core will scan the bus (FIXME: sdb match) + */ +struct fmc_device { + unsigned long version; + unsigned long flags; + struct module *owner; /* char device must pin it */ + struct fmc_fru_id id; /* for EEPROM-based match */ + struct fmc_operations *op; /* carrier-provided */ + int irq; /* according to host bus. 0 == none */ + int eeprom_len; /* Usually 8kB, may be less */ + int eeprom_addr; /* 0x50, 0x52 etc */ + uint8_t *eeprom; /* Full contents or leading part */ + char *carrier_name; /* "SPEC" or similar, for special use */ + void *carrier_data; /* "struct spec *" or equivalent */ + __iomem void *fpga_base; /* May be NULL (Etherbone) */ + __iomem void *slot_base; /* Set by the driver */ + struct fmc_device **devarray; /* Allocated by the bus */ + int slot_id; /* Index in the slot array */ + int nr_slots; /* Number of slots in this carrier */ + unsigned long memlen; /* Used for the char device */ + struct device dev; /* For Linux use */ + struct device *hwdev; /* The underlying hardware device */ + unsigned long sdbfs_entry; + struct sdb_array *sdb; + uint32_t device_id; /* Filled by the device */ + char *mezzanine_name; /* Defaults to ``fmc'' */ + void *mezzanine_data; +}; +#define to_fmc_device(x) container_of((x), struct fmc_device, dev) + +#define FMC_DEVICE_HAS_GOLDEN 1 +#define FMC_DEVICE_HAS_CUSTOM 2 +#define FMC_DEVICE_NO_MEZZANINE 4 +#define FMC_DEVICE_MATCH_SDB 8 /* fmc-core must scan sdb in fpga */ + +/* + * If fpga_base can be used, the carrier offers no readl/writel methods, and + * this expands to a single, fast, I/O access. + */ +static inline uint32_t fmc_readl(struct fmc_device *fmc, int offset) +{ + if (unlikely(fmc->op->read32)) + return fmc->op->read32(fmc, offset); + return readl(fmc->fpga_base + offset); +} +static inline void fmc_writel(struct fmc_device *fmc, uint32_t val, int off) +{ + if (unlikely(fmc->op->write32)) + fmc->op->write32(fmc, val, off); + else + writel(val, fmc->fpga_base + off); +} + +/* pci-like naming */ +static inline void *fmc_get_drvdata(const struct fmc_device *fmc) +{ + return dev_get_drvdata(&fmc->dev); +} + +static inline void fmc_set_drvdata(struct fmc_device *fmc, void *data) +{ + dev_set_drvdata(&fmc->dev, data); +} + +/* The 4 access points */ +extern int fmc_driver_register(struct fmc_driver *drv); +extern void fmc_driver_unregister(struct fmc_driver *drv); +extern int fmc_device_register(struct fmc_device *tdev); +extern void fmc_device_unregister(struct fmc_device *tdev); + +/* Two more for device sets, all driven by the same FPGA */ +extern int fmc_device_register_n(struct fmc_device **devs, int n); +extern void fmc_device_unregister_n(struct fmc_device **devs, int n); + +/* Internal cross-calls between files; not exported to other modules */ +extern int fmc_match(struct device *dev, struct device_driver *drv); +extern int fmc_fill_id_info(struct fmc_device *fmc); +extern void fmc_free_id_info(struct fmc_device *fmc); +extern void fmc_dump_eeprom(const struct fmc_device *fmc); +extern void fmc_dump_sdb(const struct fmc_device *fmc); + +#endif /* __LINUX_FMC_H__ */ diff --git a/include/linux/fs.h b/include/linux/fs.h index 43db02e9c9f..2b82c804149 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -364,7 +364,7 @@ struct address_space_operations { /* Unfortunately this kludge is needed for FIBMAP. Don't use it */ sector_t (*bmap)(struct address_space *, sector_t); - void (*invalidatepage) (struct page *, unsigned long); + void (*invalidatepage) (struct page *, unsigned int, unsigned int); int (*releasepage) (struct page *, gfp_t); void (*freepage)(struct page *); ssize_t (*direct_IO)(int, struct kiocb *, const struct iovec *iov, @@ -908,6 +908,7 @@ struct file_lock_operations { struct lock_manager_operations { int (*lm_compare_owner)(struct file_lock *, struct file_lock *); + unsigned long (*lm_owner_key)(struct file_lock *); void (*lm_notify)(struct file_lock *); /* unblock callback */ int (*lm_grant)(struct file_lock *, struct file_lock *, int); void (*lm_break)(struct file_lock *); @@ -926,9 +927,27 @@ int locks_in_grace(struct net *); /* that will die - we need it for nfs_lock_info */ #include <linux/nfs_fs_i.h> +/* + * struct file_lock represents a generic "file lock". It's used to represent + * POSIX byte range locks, BSD (flock) locks, and leases. It's important to + * note that the same struct is used to represent both a request for a lock and + * the lock itself, but the same object is never used for both. + * + * FIXME: should we create a separate "struct lock_request" to help distinguish + * these two uses? + * + * The i_flock list is ordered by: + * + * 1) lock type -- FL_LEASEs first, then FL_FLOCK, and finally FL_POSIX + * 2) lock owner + * 3) lock range start + * 4) lock range end + * + * Obviously, the last two criteria only matter for POSIX locks. + */ struct file_lock { struct file_lock *fl_next; /* singly linked list for this inode */ - struct list_head fl_link; /* doubly linked list of all locks */ + struct hlist_node fl_link; /* node in global lists */ struct list_head fl_block; /* circular list of blocked processes */ fl_owner_t fl_owner; unsigned int fl_flags; @@ -994,7 +1013,7 @@ extern void locks_release_private(struct file_lock *); extern void posix_test_lock(struct file *, struct file_lock *); extern int posix_lock_file(struct file *, struct file_lock *, struct file_lock *); extern int posix_lock_file_wait(struct file *, struct file_lock *); -extern int posix_unblock_lock(struct file *, struct file_lock *); +extern int posix_unblock_lock(struct file_lock *); extern int vfs_test_lock(struct file *, struct file_lock *); extern int vfs_lock_file(struct file *, unsigned int, struct file_lock *, struct file_lock *); extern int vfs_cancel_lock(struct file *filp, struct file_lock *fl); @@ -1006,9 +1025,6 @@ extern int vfs_setlease(struct file *, long, struct file_lock **); extern int lease_modify(struct file_lock **, int); extern int lock_may_read(struct inode *, loff_t start, unsigned long count); extern int lock_may_write(struct inode *, loff_t start, unsigned long count); -extern void locks_delete_block(struct file_lock *waiter); -extern void lock_flocks(void); -extern void unlock_flocks(void); #else /* !CONFIG_FILE_LOCKING */ static inline int fcntl_getlk(struct file *file, struct flock __user *user) { @@ -1084,8 +1100,7 @@ static inline int posix_lock_file_wait(struct file *filp, struct file_lock *fl) return -ENOLCK; } -static inline int posix_unblock_lock(struct file *filp, - struct file_lock *waiter) +static inline int posix_unblock_lock(struct file_lock *waiter) { return -ENOENT; } @@ -1150,19 +1165,6 @@ static inline int lock_may_write(struct inode *inode, loff_t start, { return 1; } - -static inline void locks_delete_block(struct file_lock *waiter) -{ -} - -static inline void lock_flocks(void) -{ -} - -static inline void unlock_flocks(void) -{ -} - #endif /* !CONFIG_FILE_LOCKING */ @@ -1506,6 +1508,11 @@ int fiemap_check_flags(struct fiemap_extent_info *fieinfo, u32 fs_flags); * to have different dirent layouts depending on the binary type. */ typedef int (*filldir_t)(void *, const char *, int, loff_t, u64, unsigned); +struct dir_context { + const filldir_t actor; + loff_t pos; +}; + struct block_device_operations; /* These macros are for out of kernel modules to test that @@ -1521,7 +1528,7 @@ struct file_operations { ssize_t (*write) (struct file *, const char __user *, size_t, loff_t *); ssize_t (*aio_read) (struct kiocb *, const struct iovec *, unsigned long, loff_t); ssize_t (*aio_write) (struct kiocb *, const struct iovec *, unsigned long, loff_t); - int (*readdir) (struct file *, void *, filldir_t); + int (*iterate) (struct file *, struct dir_context *); unsigned int (*poll) (struct file *, struct poll_table_struct *); long (*unlocked_ioctl) (struct file *, unsigned int, unsigned long); long (*compat_ioctl) (struct file *, unsigned int, unsigned long); @@ -1575,6 +1582,7 @@ struct inode_operations { int (*atomic_open)(struct inode *, struct dentry *, struct file *, unsigned open_flag, umode_t create_mode, int *opened); + int (*tmpfile) (struct inode *, struct dentry *, umode_t); } ____cacheline_aligned; ssize_t rw_copy_check_uvector(int type, const struct iovec __user * uvector, @@ -1738,6 +1746,7 @@ struct super_operations { #define I_REFERENCED (1 << 8) #define __I_DIO_WAKEUP 9 #define I_DIO_WAKEUP (1 << I_DIO_WAKEUP) +#define I_LINKABLE (1 << 10) #define I_DIRTY (I_DIRTY_SYNC | I_DIRTY_DATASYNC | I_DIRTY_PAGES) @@ -1891,7 +1900,6 @@ extern int current_umask(void); extern struct kobject *fs_kobj; #define MAX_RW_COUNT (INT_MAX & PAGE_CACHE_MASK) -extern int rw_verify_area(int, struct file *, loff_t *, size_t); #define FLOCK_VERIFY_READ 1 #define FLOCK_VERIFY_WRITE 2 @@ -2304,7 +2312,6 @@ extern struct file * open_exec(const char *); /* fs/dcache.c -- generic fs support functions */ extern int is_subdir(struct dentry *, struct dentry *); extern int path_is_under(struct path *, struct path *); -extern ino_t find_inode_number(struct dentry *, struct qstr *); #include <linux/err.h> @@ -2414,16 +2421,17 @@ extern ssize_t generic_file_splice_write(struct pipe_inode_info *, struct file *, loff_t *, size_t, unsigned int); extern ssize_t generic_splice_sendpage(struct pipe_inode_info *pipe, struct file *out, loff_t *, size_t len, unsigned int flags); -extern long do_splice_direct(struct file *in, loff_t *ppos, struct file *out, - size_t len, unsigned int flags); extern void file_ra_state_init(struct file_ra_state *ra, struct address_space *mapping); extern loff_t noop_llseek(struct file *file, loff_t offset, int whence); extern loff_t no_llseek(struct file *file, loff_t offset, int whence); +extern loff_t vfs_setpos(struct file *file, loff_t offset, loff_t maxsize); extern loff_t generic_file_llseek(struct file *file, loff_t offset, int whence); extern loff_t generic_file_llseek_size(struct file *file, loff_t offset, int whence, loff_t maxsize, loff_t eof); +extern loff_t fixed_size_llseek(struct file *file, loff_t offset, + int whence, loff_t size); extern int generic_file_open(struct inode * inode, struct file * filp); extern int nonseekable_open(struct inode * inode, struct file * filp); @@ -2496,6 +2504,7 @@ loff_t inode_get_bytes(struct inode *inode); void inode_set_bytes(struct inode *inode, loff_t bytes); extern int vfs_readdir(struct file *, filldir_t, void *); +extern int iterate_dir(struct file *, struct dir_context *); extern int vfs_stat(const char __user *, struct kstat *); extern int vfs_lstat(const char __user *, struct kstat *); @@ -2526,7 +2535,7 @@ extern void iterate_supers_type(struct file_system_type *, extern int dcache_dir_open(struct inode *, struct file *); extern int dcache_dir_close(struct inode *, struct file *); extern loff_t dcache_dir_lseek(struct file *, loff_t, int); -extern int dcache_readdir(struct file *, void *, filldir_t); +extern int dcache_readdir(struct file *, struct dir_context *); extern int simple_setattr(struct dentry *, struct iattr *); extern int simple_getattr(struct vfsmount *, struct dentry *, struct kstat *); extern int simple_statfs(struct dentry *, struct kstatfs *); @@ -2690,4 +2699,41 @@ static inline void inode_has_no_xattr(struct inode *inode) inode->i_flags |= S_NOSEC; } +static inline bool dir_emit(struct dir_context *ctx, + const char *name, int namelen, + u64 ino, unsigned type) +{ + return ctx->actor(ctx, name, namelen, ctx->pos, ino, type) == 0; +} +static inline bool dir_emit_dot(struct file *file, struct dir_context *ctx) +{ + return ctx->actor(ctx, ".", 1, ctx->pos, + file->f_path.dentry->d_inode->i_ino, DT_DIR) == 0; +} +static inline bool dir_emit_dotdot(struct file *file, struct dir_context *ctx) +{ + return ctx->actor(ctx, "..", 2, ctx->pos, + parent_ino(file->f_path.dentry), DT_DIR) == 0; +} +static inline bool dir_emit_dots(struct file *file, struct dir_context *ctx) +{ + if (ctx->pos == 0) { + if (!dir_emit_dot(file, ctx)) + return false; + ctx->pos = 1; + } + if (ctx->pos == 1) { + if (!dir_emit_dotdot(file, ctx)) + return false; + ctx->pos = 2; + } + return true; +} +static inline bool dir_relax(struct inode *inode) +{ + mutex_unlock(&inode->i_mutex); + mutex_lock(&inode->i_mutex); + return !IS_DEADDIR(inode); +} + #endif /* _LINUX_FS_H */ diff --git a/include/linux/fscache-cache.h b/include/linux/fscache-cache.h index 5dfa0aa216b..a9ff9a36b86 100644 --- a/include/linux/fscache-cache.h +++ b/include/linux/fscache-cache.h @@ -97,7 +97,8 @@ struct fscache_operation { #define FSCACHE_OP_WAITING 4 /* cleared when op is woken */ #define FSCACHE_OP_EXCLUSIVE 5 /* exclusive op, other ops must wait */ #define FSCACHE_OP_DEC_READ_CNT 6 /* decrement object->n_reads on destruction */ -#define FSCACHE_OP_KEEP_FLAGS 0x0070 /* flags to keep when repurposing an op */ +#define FSCACHE_OP_UNUSE_COOKIE 7 /* call fscache_unuse_cookie() on completion */ +#define FSCACHE_OP_KEEP_FLAGS 0x00f0 /* flags to keep when repurposing an op */ enum fscache_operation_state state; atomic_t usage; @@ -150,7 +151,7 @@ struct fscache_retrieval { void *context; /* netfs read context (pinned) */ struct list_head to_do; /* list of things to be done by the backend */ unsigned long start_time; /* time at which retrieval started */ - unsigned n_pages; /* number of pages to be retrieved */ + atomic_t n_pages; /* number of pages to be retrieved */ }; typedef int (*fscache_page_retrieval_func_t)(struct fscache_retrieval *op, @@ -194,15 +195,14 @@ static inline void fscache_enqueue_retrieval(struct fscache_retrieval *op) static inline void fscache_retrieval_complete(struct fscache_retrieval *op, int n_pages) { - op->n_pages -= n_pages; - if (op->n_pages <= 0) + atomic_sub(n_pages, &op->n_pages); + if (atomic_read(&op->n_pages) <= 0) fscache_op_complete(&op->op, true); } /** * fscache_put_retrieval - Drop a reference to a retrieval operation * @op: The retrieval operation affected - * @n_pages: The number of pages to account for * * Drop a reference to a retrieval operation. */ @@ -314,6 +314,7 @@ struct fscache_cache_ops { struct fscache_cookie { atomic_t usage; /* number of users of this cookie */ atomic_t n_children; /* number of children of this cookie */ + atomic_t n_active; /* number of active users of netfs ptrs */ spinlock_t lock; spinlock_t stores_lock; /* lock on page store tree */ struct hlist_head backing_objects; /* object(s) backing this file/index */ @@ -326,13 +327,11 @@ struct fscache_cookie { unsigned long flags; #define FSCACHE_COOKIE_LOOKING_UP 0 /* T if non-index cookie being looked up still */ -#define FSCACHE_COOKIE_CREATING 1 /* T if non-index object being created still */ -#define FSCACHE_COOKIE_NO_DATA_YET 2 /* T if new object with no cached data yet */ -#define FSCACHE_COOKIE_PENDING_FILL 3 /* T if pending initial fill on object */ -#define FSCACHE_COOKIE_FILLING 4 /* T if filling object incrementally */ -#define FSCACHE_COOKIE_UNAVAILABLE 5 /* T if cookie is unavailable (error, etc) */ -#define FSCACHE_COOKIE_WAITING_ON_READS 6 /* T if cookie is waiting on reads */ -#define FSCACHE_COOKIE_INVALIDATING 7 /* T if cookie is being invalidated */ +#define FSCACHE_COOKIE_NO_DATA_YET 1 /* T if new object with no cached data yet */ +#define FSCACHE_COOKIE_UNAVAILABLE 2 /* T if cookie is unavailable (error, etc) */ +#define FSCACHE_COOKIE_INVALIDATING 3 /* T if cookie is being invalidated */ +#define FSCACHE_COOKIE_RELINQUISHED 4 /* T if cookie has been relinquished */ +#define FSCACHE_COOKIE_RETIRED 5 /* T if cookie was retired */ }; extern struct fscache_cookie fscache_fsdef_index; @@ -341,45 +340,40 @@ extern struct fscache_cookie fscache_fsdef_index; * Event list for fscache_object::{event_mask,events} */ enum { - FSCACHE_OBJECT_EV_REQUEUE, /* T if object should be requeued */ + FSCACHE_OBJECT_EV_NEW_CHILD, /* T if object has a new child */ + FSCACHE_OBJECT_EV_PARENT_READY, /* T if object's parent is ready */ FSCACHE_OBJECT_EV_UPDATE, /* T if object should be updated */ FSCACHE_OBJECT_EV_INVALIDATE, /* T if cache requested object invalidation */ FSCACHE_OBJECT_EV_CLEARED, /* T if accessors all gone */ FSCACHE_OBJECT_EV_ERROR, /* T if fatal error occurred during processing */ - FSCACHE_OBJECT_EV_RELEASE, /* T if netfs requested object release */ - FSCACHE_OBJECT_EV_RETIRE, /* T if netfs requested object retirement */ - FSCACHE_OBJECT_EV_WITHDRAW, /* T if cache requested object withdrawal */ + FSCACHE_OBJECT_EV_KILL, /* T if netfs relinquished or cache withdrew object */ NR_FSCACHE_OBJECT_EVENTS }; #define FSCACHE_OBJECT_EVENTS_MASK ((1UL << NR_FSCACHE_OBJECT_EVENTS) - 1) /* + * States for object state machine. + */ +struct fscache_transition { + unsigned long events; + const struct fscache_state *transit_to; +}; + +struct fscache_state { + char name[24]; + char short_name[8]; + const struct fscache_state *(*work)(struct fscache_object *object, + int event); + const struct fscache_transition transitions[]; +}; + +/* * on-disk cache file or index handle */ struct fscache_object { - enum fscache_object_state { - FSCACHE_OBJECT_INIT, /* object in initial unbound state */ - FSCACHE_OBJECT_LOOKING_UP, /* looking up object */ - FSCACHE_OBJECT_CREATING, /* creating object */ - - /* active states */ - FSCACHE_OBJECT_AVAILABLE, /* cleaning up object after creation */ - FSCACHE_OBJECT_ACTIVE, /* object is usable */ - FSCACHE_OBJECT_INVALIDATING, /* object is invalidating */ - FSCACHE_OBJECT_UPDATING, /* object is updating */ - - /* terminal states */ - FSCACHE_OBJECT_DYING, /* object waiting for accessors to finish */ - FSCACHE_OBJECT_LC_DYING, /* object cleaning up after lookup/create */ - FSCACHE_OBJECT_ABORT_INIT, /* abort the init state */ - FSCACHE_OBJECT_RELEASING, /* releasing object */ - FSCACHE_OBJECT_RECYCLING, /* retiring object */ - FSCACHE_OBJECT_WITHDRAWING, /* withdrawing object */ - FSCACHE_OBJECT_DEAD, /* object is now dead */ - FSCACHE_OBJECT__NSTATES - } state; - + const struct fscache_state *state; /* Object state machine state */ + const struct fscache_transition *oob_table; /* OOB state transition table */ int debug_id; /* debugging ID */ int n_children; /* number of child objects */ int n_ops; /* number of extant ops on object */ @@ -390,6 +384,7 @@ struct fscache_object { spinlock_t lock; /* state and operations lock */ unsigned long lookup_jif; /* time at which lookup started */ + unsigned long oob_event_mask; /* OOB events this object is interested in */ unsigned long event_mask; /* events this object is interested in */ unsigned long events; /* events to be processed by this object * (order is important - using fls) */ @@ -398,6 +393,9 @@ struct fscache_object { #define FSCACHE_OBJECT_LOCK 0 /* T if object is busy being processed */ #define FSCACHE_OBJECT_PENDING_WRITE 1 /* T if object has pending write */ #define FSCACHE_OBJECT_WAITING 2 /* T if object is waiting on its parent */ +#define FSCACHE_OBJECT_IS_LIVE 3 /* T if object is not withdrawn or relinquished */ +#define FSCACHE_OBJECT_IS_LOOKED_UP 4 /* T if object has been looked up */ +#define FSCACHE_OBJECT_IS_AVAILABLE 5 /* T if object has become active */ struct list_head cache_link; /* link in cache->object_list */ struct hlist_node cookie_link; /* link in cookie->backing_objects */ @@ -415,62 +413,40 @@ struct fscache_object { loff_t store_limit_l; /* current storage limit */ }; -extern const char *fscache_object_states[]; +extern void fscache_object_init(struct fscache_object *, struct fscache_cookie *, + struct fscache_cache *); +extern void fscache_object_destroy(struct fscache_object *); -#define fscache_object_is_active(obj) \ - (!test_bit(FSCACHE_IOERROR, &(obj)->cache->flags) && \ - (obj)->state >= FSCACHE_OBJECT_AVAILABLE && \ - (obj)->state < FSCACHE_OBJECT_DYING) +extern void fscache_object_lookup_negative(struct fscache_object *object); +extern void fscache_obtained_object(struct fscache_object *object); -#define fscache_object_is_dead(obj) \ - (test_bit(FSCACHE_IOERROR, &(obj)->cache->flags) && \ - (obj)->state >= FSCACHE_OBJECT_DYING) +static inline bool fscache_object_is_live(struct fscache_object *object) +{ + return test_bit(FSCACHE_OBJECT_IS_LIVE, &object->flags); +} -extern void fscache_object_work_func(struct work_struct *work); +static inline bool fscache_object_is_dying(struct fscache_object *object) +{ + return !fscache_object_is_live(object); +} -/** - * fscache_object_init - Initialise a cache object description - * @object: Object description - * - * Initialise a cache object description to its basic values. - * - * See Documentation/filesystems/caching/backend-api.txt for a complete - * description. - */ -static inline -void fscache_object_init(struct fscache_object *object, - struct fscache_cookie *cookie, - struct fscache_cache *cache) +static inline bool fscache_object_is_available(struct fscache_object *object) { - atomic_inc(&cache->object_count); - - object->state = FSCACHE_OBJECT_INIT; - spin_lock_init(&object->lock); - INIT_LIST_HEAD(&object->cache_link); - INIT_HLIST_NODE(&object->cookie_link); - INIT_WORK(&object->work, fscache_object_work_func); - INIT_LIST_HEAD(&object->dependents); - INIT_LIST_HEAD(&object->dep_link); - INIT_LIST_HEAD(&object->pending_ops); - object->n_children = 0; - object->n_ops = object->n_in_progress = object->n_exclusive = 0; - object->events = object->event_mask = 0; - object->flags = 0; - object->store_limit = 0; - object->store_limit_l = 0; - object->cache = cache; - object->cookie = cookie; - object->parent = NULL; + return test_bit(FSCACHE_OBJECT_IS_AVAILABLE, &object->flags); } -extern void fscache_object_lookup_negative(struct fscache_object *object); -extern void fscache_obtained_object(struct fscache_object *object); +static inline bool fscache_object_is_active(struct fscache_object *object) +{ + return fscache_object_is_available(object) && + fscache_object_is_live(object) && + !test_bit(FSCACHE_IOERROR, &object->cache->flags); +} -#ifdef CONFIG_FSCACHE_OBJECT_LIST -extern void fscache_object_destroy(struct fscache_object *object); -#else -#define fscache_object_destroy(object) do {} while(0) -#endif +static inline bool fscache_object_is_dead(struct fscache_object *object) +{ + return fscache_object_is_dying(object) && + test_bit(FSCACHE_IOERROR, &object->cache->flags); +} /** * fscache_object_destroyed - Note destruction of an object in a cache @@ -531,6 +507,33 @@ static inline void fscache_end_io(struct fscache_retrieval *op, op->end_io_func(page, op->context, error); } +/** + * fscache_use_cookie - Request usage of cookie attached to an object + * @object: Object description + * + * Request usage of the cookie attached to an object. NULL is returned if the + * relinquishment had reduced the cookie usage count to 0. + */ +static inline bool fscache_use_cookie(struct fscache_object *object) +{ + struct fscache_cookie *cookie = object->cookie; + return atomic_inc_not_zero(&cookie->n_active) != 0; +} + +/** + * fscache_unuse_cookie - Cease usage of cookie attached to an object + * @object: Object description + * + * Cease usage of the cookie attached to an object. When the users count + * reaches zero then the cookie relinquishment will be permitted to proceed. + */ +static inline void fscache_unuse_cookie(struct fscache_object *object) +{ + struct fscache_cookie *cookie = object->cookie; + if (atomic_dec_and_test(&cookie->n_active)) + wake_up_atomic_t(&cookie->n_active); +} + /* * out-of-line cache backend functions */ diff --git a/include/linux/fsnotify.h b/include/linux/fsnotify.h index a78680a92db..1c804b057fb 100644 --- a/include/linux/fsnotify.h +++ b/include/linux/fsnotify.h @@ -38,7 +38,7 @@ static inline int fsnotify_parent(struct path *path, struct dentry *dentry, __u3 static inline int fsnotify_perm(struct file *file, int mask) { struct path *path = &file->f_path; - struct inode *inode = path->dentry->d_inode; + struct inode *inode = file_inode(file); __u32 fsnotify_mask = 0; int ret; @@ -192,7 +192,7 @@ static inline void fsnotify_mkdir(struct inode *inode, struct dentry *dentry) static inline void fsnotify_access(struct file *file) { struct path *path = &file->f_path; - struct inode *inode = path->dentry->d_inode; + struct inode *inode = file_inode(file); __u32 mask = FS_ACCESS; if (S_ISDIR(inode->i_mode)) @@ -210,7 +210,7 @@ static inline void fsnotify_access(struct file *file) static inline void fsnotify_modify(struct file *file) { struct path *path = &file->f_path; - struct inode *inode = path->dentry->d_inode; + struct inode *inode = file_inode(file); __u32 mask = FS_MODIFY; if (S_ISDIR(inode->i_mode)) @@ -228,7 +228,7 @@ static inline void fsnotify_modify(struct file *file) static inline void fsnotify_open(struct file *file) { struct path *path = &file->f_path; - struct inode *inode = path->dentry->d_inode; + struct inode *inode = file_inode(file); __u32 mask = FS_OPEN; if (S_ISDIR(inode->i_mode)) diff --git a/include/linux/hardirq.h b/include/linux/hardirq.h index c1d6555d256..05bcc090376 100644 --- a/include/linux/hardirq.h +++ b/include/linux/hardirq.h @@ -128,7 +128,7 @@ extern void synchronize_irq(unsigned int irq); # define synchronize_irq(irq) barrier() #endif -#if defined(CONFIG_TINY_RCU) || defined(CONFIG_TINY_PREEMPT_RCU) +#if defined(CONFIG_TINY_RCU) static inline void rcu_nmi_enter(void) { diff --git a/include/linux/huge_mm.h b/include/linux/huge_mm.h index 528454c2caa..26ee56c80dc 100644 --- a/include/linux/huge_mm.h +++ b/include/linux/huge_mm.h @@ -123,7 +123,7 @@ extern void __split_huge_page_pmd(struct vm_area_struct *vma, } while (0) extern void split_huge_page_pmd_mm(struct mm_struct *mm, unsigned long address, pmd_t *pmd); -#if HPAGE_PMD_ORDER > MAX_ORDER +#if HPAGE_PMD_ORDER >= MAX_ORDER #error "hugepages can't be allocated by the buddy allocator" #endif extern int hugepage_madvise(struct vm_area_struct *vma, diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h index 6b4890fa57e..89d4fbf681e 100644 --- a/include/linux/hugetlb.h +++ b/include/linux/hugetlb.h @@ -69,6 +69,10 @@ void hugetlb_unreserve_pages(struct inode *inode, long offset, long freed); int dequeue_hwpoisoned_huge_page(struct page *page); void copy_huge_page(struct page *dst, struct page *src); +#ifdef CONFIG_ARCH_WANT_HUGE_PMD_SHARE +pte_t *huge_pmd_share(struct mm_struct *mm, unsigned long addr, pud_t *pud); +#endif + extern unsigned long hugepages_treat_as_movable; extern const unsigned long hugetlb_zero, hugetlb_infinity; extern int sysctl_hugetlb_shm_group; @@ -358,6 +362,17 @@ static inline int hstate_index(struct hstate *h) return h - hstates; } +pgoff_t __basepage_index(struct page *page); + +/* Return page->index in PAGE_SIZE units */ +static inline pgoff_t basepage_index(struct page *page) +{ + if (!PageCompound(page)) + return page->index; + + return __basepage_index(page); +} + #else /* CONFIG_HUGETLB_PAGE */ struct hstate {}; #define alloc_huge_page_node(h, nid) NULL @@ -378,6 +393,11 @@ static inline unsigned int pages_per_huge_page(struct hstate *h) } #define hstate_index_to_shift(index) 0 #define hstate_index(h) 0 + +static inline pgoff_t basepage_index(struct page *page) +{ + return page->index; +} #endif /* CONFIG_HUGETLB_PAGE */ #endif /* _LINUX_HUGETLB_H */ diff --git a/include/linux/hyperv.h b/include/linux/hyperv.h index c2559847d7e..fae8bac907e 100644 --- a/include/linux/hyperv.h +++ b/include/linux/hyperv.h @@ -909,6 +909,7 @@ enum vmbus_channel_state { CHANNEL_OFFER_STATE, CHANNEL_OPENING_STATE, CHANNEL_OPEN_STATE, + CHANNEL_OPENED_STATE, }; struct vmbus_channel_debug_info { @@ -1046,6 +1047,38 @@ struct vmbus_channel { * preserve the earlier behavior. */ u32 target_vp; + /* + * Support for sub-channels. For high performance devices, + * it will be useful to have multiple sub-channels to support + * a scalable communication infrastructure with the host. + * The support for sub-channels is implemented as an extention + * to the current infrastructure. + * The initial offer is considered the primary channel and this + * offer message will indicate if the host supports sub-channels. + * The guest is free to ask for sub-channels to be offerred and can + * open these sub-channels as a normal "primary" channel. However, + * all sub-channels will have the same type and instance guids as the + * primary channel. Requests sent on a given channel will result in a + * response on the same channel. + */ + + /* + * Sub-channel creation callback. This callback will be called in + * process context when a sub-channel offer is received from the host. + * The guest can open the sub-channel in the context of this callback. + */ + void (*sc_creation_callback)(struct vmbus_channel *new_sc); + + spinlock_t sc_lock; + /* + * All Sub-channels of a primary channel are linked here. + */ + struct list_head sc_list; + /* + * The primary channel this sub-channel belongs to. + * This will be NULL for the primary channel. + */ + struct vmbus_channel *primary_channel; }; static inline void set_channel_read_state(struct vmbus_channel *c, bool state) @@ -1057,6 +1090,34 @@ void vmbus_onmessage(void *context); int vmbus_request_offers(void); +/* + * APIs for managing sub-channels. + */ + +void vmbus_set_sc_create_callback(struct vmbus_channel *primary_channel, + void (*sc_cr_cb)(struct vmbus_channel *new_sc)); + +/* + * Retrieve the (sub) channel on which to send an outgoing request. + * When a primary channel has multiple sub-channels, we choose a + * channel whose VCPU binding is closest to the VCPU on which + * this call is being made. + */ +struct vmbus_channel *vmbus_get_outgoing_channel(struct vmbus_channel *primary); + +/* + * Check if sub-channels have already been offerred. This API will be useful + * when the driver is unloaded after establishing sub-channels. In this case, + * when the driver is re-loaded, the driver would have to check if the + * subchannels have already been established before attempting to request + * the creation of sub-channels. + * This function returns TRUE to indicate that subchannels have already been + * created. + * This function should be invoked after setting the callback function for + * sub-channel creation. + */ +bool vmbus_are_subchannels_present(struct vmbus_channel *primary); + /* The format must be the same as struct vmdata_gpa_direct */ struct vmbus_channel_packet_page_buffer { u16 type; @@ -1327,6 +1388,15 @@ void vmbus_driver_unregister(struct hv_driver *hv_driver); 0x8e, 0x77, 0x05, 0x58, 0xeb, 0x10, 0x73, 0xf8 \ } +/* + * Synthetic FC GUID + * {2f9bcc4a-0069-4af3-b76b-6fd0be528cda} + */ +#define HV_SYNTHFC_GUID \ + .guid = { \ + 0x4A, 0xCC, 0x9B, 0x2F, 0x69, 0x00, 0xF3, 0x4A, \ + 0xB7, 0x6B, 0x6F, 0xD0, 0xBE, 0x52, 0x8C, 0xDA \ + } /* * Common header for Hyper-V ICs diff --git a/include/linux/if_ether.h b/include/linux/if_ether.h index 12b4d55a02a..d5569734f67 100644 --- a/include/linux/if_ether.h +++ b/include/linux/if_ether.h @@ -30,7 +30,6 @@ static inline struct ethhdr *eth_hdr(const struct sk_buff *skb) int eth_header_parse(const struct sk_buff *skb, unsigned char *haddr); -int mac_pton(const char *s, u8 *mac); extern ssize_t sysfs_format_mac(char *buf, const unsigned char *addr, int len); #endif /* _LINUX_IF_ETHER_H */ diff --git a/include/linux/if_team.h b/include/linux/if_team.h index 4474557904f..16fae6436d0 100644 --- a/include/linux/if_team.h +++ b/include/linux/if_team.h @@ -249,12 +249,12 @@ team_get_first_port_txable_rcu(struct team *team, struct team_port *port) return port; cur = port; list_for_each_entry_continue_rcu(cur, &team->port_list, list) - if (team_port_txable(port)) + if (team_port_txable(cur)) return cur; list_for_each_entry_rcu(cur, &team->port_list, list) { if (cur == port) break; - if (team_port_txable(port)) + if (team_port_txable(cur)) return cur; } return NULL; diff --git a/include/linux/if_vlan.h b/include/linux/if_vlan.h index 52bd03b3896..637fa71de0c 100644 --- a/include/linux/if_vlan.h +++ b/include/linux/if_vlan.h @@ -44,7 +44,7 @@ struct vlan_hdr { * struct vlan_ethhdr - vlan ethernet header (ethhdr + vlan_hdr) * @h_dest: destination ethernet address * @h_source: source ethernet address - * @h_vlan_proto: ethernet protocol (always 0x8100) + * @h_vlan_proto: ethernet protocol * @h_vlan_TCI: priority and VLAN ID * @h_vlan_encapsulated_proto: packet type ID or len */ diff --git a/include/linux/iio/common/st_sensors.h b/include/linux/iio/common/st_sensors.h index 172c5b23cb8..72b26940730 100644 --- a/include/linux/iio/common/st_sensors.h +++ b/include/linux/iio/common/st_sensors.h @@ -24,14 +24,10 @@ #define ST_SENSORS_FULLSCALE_AVL_MAX 10 #define ST_SENSORS_NUMBER_ALL_CHANNELS 4 -#define ST_SENSORS_NUMBER_DATA_CHANNELS 3 #define ST_SENSORS_ENABLE_ALL_AXIS 0x07 -#define ST_SENSORS_BYTE_FOR_CHANNEL 2 #define ST_SENSORS_SCAN_X 0 #define ST_SENSORS_SCAN_Y 1 #define ST_SENSORS_SCAN_Z 2 -#define ST_SENSORS_DEFAULT_12_REALBITS 12 -#define ST_SENSORS_DEFAULT_16_REALBITS 16 #define ST_SENSORS_DEFAULT_POWER_ON_VALUE 0x01 #define ST_SENSORS_DEFAULT_POWER_OFF_VALUE 0x00 #define ST_SENSORS_DEFAULT_WAI_ADDRESS 0x0f @@ -42,20 +38,20 @@ #define ST_SENSORS_MAX_NAME 17 #define ST_SENSORS_MAX_4WAI 7 -#define ST_SENSORS_LSM_CHANNELS(device_type, index, mod, endian, bits, addr) \ +#define ST_SENSORS_LSM_CHANNELS(device_type, mask, index, mod, \ + ch2, s, endian, rbits, sbits, addr) \ { \ .type = device_type, \ - .modified = 1, \ - .info_mask_separate = BIT(IIO_CHAN_INFO_RAW) | \ - BIT(IIO_CHAN_INFO_SCALE), \ + .modified = mod, \ + .info_mask_separate = mask, \ .scan_index = index, \ - .channel2 = mod, \ + .channel2 = ch2, \ .address = addr, \ .scan_type = { \ - .sign = 's', \ - .realbits = bits, \ - .shift = 16 - bits, \ - .storagebits = 16, \ + .sign = s, \ + .realbits = rbits, \ + .shift = sbits - rbits, \ + .storagebits = sbits, \ .endianness = endian, \ }, \ } @@ -204,6 +200,7 @@ struct st_sensors { * @multiread_bit: Use or not particular bit for [I2C/SPI] multiread. * @buffer_data: Data used by buffer part. * @odr: Output data rate of the sensor [Hz]. + * num_data_channels: Number of data channels used in buffer. * @get_irq_data_ready: Function to get the IRQ used for data ready signal. * @tf: Transfer function structure used by I/O operations. * @tb: Transfer buffers and mutex used by I/O operations. @@ -220,6 +217,7 @@ struct st_sensor_data { char *buffer_data; unsigned int odr; + unsigned int num_data_channels; unsigned int (*get_irq_data_ready) (struct iio_dev *indio_dev); diff --git a/include/linux/iio/frequency/adf4350.h b/include/linux/iio/frequency/adf4350.h index be91f344d5f..ffd8c8f9092 100644 --- a/include/linux/iio/frequency/adf4350.h +++ b/include/linux/iio/frequency/adf4350.h @@ -1,7 +1,7 @@ /* * ADF4350/ADF4351 SPI PLL driver * - * Copyright 2012 Analog Devices Inc. + * Copyright 2012-2013 Analog Devices Inc. * * Licensed under the GPL-2. */ @@ -41,7 +41,7 @@ #define ADF4350_REG2_RDIV2_EN (1 << 24) #define ADF4350_REG2_RMULT2_EN (1 << 25) #define ADF4350_REG2_MUXOUT(x) ((x) << 26) -#define ADF4350_REG2_NOISE_MODE(x) ((x) << 29) +#define ADF4350_REG2_NOISE_MODE(x) (((unsigned)(x)) << 29) #define ADF4350_MUXOUT_THREESTATE 0 #define ADF4350_MUXOUT_DVDD 1 #define ADF4350_MUXOUT_GND 2 diff --git a/include/linux/ipmi-fru.h b/include/linux/ipmi-fru.h new file mode 100644 index 00000000000..4d3a76380e3 --- /dev/null +++ b/include/linux/ipmi-fru.h @@ -0,0 +1,135 @@ +/* + * Copyright (C) 2012 CERN (www.cern.ch) + * Author: Alessandro Rubini <rubini@gnudd.com> + * + * Released according to the GNU GPL, version 2 or any later version. + * + * This work is part of the White Rabbit project, a research effort led + * by CERN, the European Institute for Nuclear Research. + */ +#ifndef __LINUX_IPMI_FRU_H__ +#define __LINUX_IPMI_FRU_H__ +#ifdef __KERNEL__ +# include <linux/types.h> +# include <linux/string.h> +#else +# include <stdint.h> +# include <string.h> +#endif + +/* + * These structures match the unaligned crap we have in FRU1011.pdf + * (http://download.intel.com/design/servers/ipmi/FRU1011.pdf) + */ + +/* chapter 8, page 5 */ +struct fru_common_header { + uint8_t format; /* 0x01 */ + uint8_t internal_use_off; /* multiple of 8 bytes */ + uint8_t chassis_info_off; /* multiple of 8 bytes */ + uint8_t board_area_off; /* multiple of 8 bytes */ + uint8_t product_area_off; /* multiple of 8 bytes */ + uint8_t multirecord_off; /* multiple of 8 bytes */ + uint8_t pad; /* must be 0 */ + uint8_t checksum; /* sum modulo 256 must be 0 */ +}; + +/* chapter 9, page 5 -- internal_use: not used by us */ + +/* chapter 10, page 6 -- chassis info: not used by us */ + +/* chapter 13, page 9 -- used by board_info_area below */ +struct fru_type_length { + uint8_t type_length; + uint8_t data[0]; +}; + +/* chapter 11, page 7 */ +struct fru_board_info_area { + uint8_t format; /* 0x01 */ + uint8_t area_len; /* multiple of 8 bytes */ + uint8_t language; /* I hope it's 0 */ + uint8_t mfg_date[3]; /* LSB, minutes since 1996-01-01 */ + struct fru_type_length tl[0]; /* type-length stuff follows */ + + /* + * the TL there are in order: + * Board Manufacturer + * Board Product Name + * Board Serial Number + * Board Part Number + * FRU File ID (may be null) + * more manufacturer-specific stuff + * 0xc1 as a terminator + * 0x00 pad to a multiple of 8 bytes - 1 + * checksum (sum of all stuff module 256 must be zero) + */ +}; + +enum fru_type { + FRU_TYPE_BINARY = 0x00, + FRU_TYPE_BCDPLUS = 0x40, + FRU_TYPE_ASCII6 = 0x80, + FRU_TYPE_ASCII = 0xc0, /* not ascii: depends on language */ +}; + +/* + * some helpers + */ +static inline struct fru_board_info_area *fru_get_board_area( + const struct fru_common_header *header) +{ + /* we know for sure that the header is 8 bytes in size */ + return (struct fru_board_info_area *)(header + header->board_area_off); +} + +static inline int fru_type(struct fru_type_length *tl) +{ + return tl->type_length & 0xc0; +} + +static inline int fru_length(struct fru_type_length *tl) +{ + return (tl->type_length & 0x3f) + 1; /* len of whole record */ +} + +/* assume ascii-latin1 encoding */ +static inline int fru_strlen(struct fru_type_length *tl) +{ + return fru_length(tl) - 1; +} + +static inline char *fru_strcpy(char *dest, struct fru_type_length *tl) +{ + int len = fru_strlen(tl); + memcpy(dest, tl->data, len); + dest[len] = '\0'; + return dest; +} + +static inline struct fru_type_length *fru_next_tl(struct fru_type_length *tl) +{ + return tl + fru_length(tl); +} + +static inline int fru_is_eof(struct fru_type_length *tl) +{ + return tl->type_length == 0xc1; +} + +/* + * External functions defined in fru-parse.c. + */ +extern int fru_header_cksum_ok(struct fru_common_header *header); +extern int fru_bia_cksum_ok(struct fru_board_info_area *bia); + +/* All these 4 return allocated strings by calling fru_alloc() */ +extern char *fru_get_board_manufacturer(struct fru_common_header *header); +extern char *fru_get_product_name(struct fru_common_header *header); +extern char *fru_get_serial_number(struct fru_common_header *header); +extern char *fru_get_part_number(struct fru_common_header *header); + +/* This must be defined by the caller of the above functions */ +extern void *fru_alloc(size_t size); + +#endif /* __LINUX_IMPI_FRU_H__ */ diff --git a/include/linux/irq.h b/include/linux/irq.h index bc4e0661195..f04d3ba335c 100644 --- a/include/linux/irq.h +++ b/include/linux/irq.h @@ -119,6 +119,7 @@ struct irq_domain; /** * struct irq_data - per irq and irq chip data passed down to chip functions + * @mask: precomputed bitmask for accessing the chip registers * @irq: interrupt number * @hwirq: hardware interrupt number, local to the interrupt domain * @node: node index useful for balancing @@ -138,6 +139,7 @@ struct irq_domain; * irq_data. */ struct irq_data { + u32 mask; unsigned int irq; unsigned long hwirq; unsigned int node; @@ -294,6 +296,7 @@ static inline irq_hw_number_t irqd_to_hwirq(struct irq_data *d) * @irq_suspend: function called from core code on suspend once per chip * @irq_resume: function called from core code on resume once per chip * @irq_pm_shutdown: function called from core code on shutdown once per chip + * @irq_calc_mask: Optional function to set irq_data.mask for special cases * @irq_print_chip: optional to print special chip info in show_interrupts * @flags: chip specific flags */ @@ -325,6 +328,8 @@ struct irq_chip { void (*irq_resume)(struct irq_data *data); void (*irq_pm_shutdown)(struct irq_data *data); + void (*irq_calc_mask)(struct irq_data *data); + void (*irq_print_chip)(struct irq_data *data, struct seq_file *p); unsigned long flags; @@ -579,6 +584,12 @@ static inline struct msi_desc *irq_data_get_msi(struct irq_data *d) return d->msi_desc; } +static inline u32 irq_get_trigger_type(unsigned int irq) +{ + struct irq_data *d = irq_get_irq_data(irq); + return d ? irqd_get_trigger_type(d) : 0; +} + int __irq_alloc_descs(int irq, unsigned int from, unsigned int cnt, int node, struct module *owner); @@ -644,6 +655,8 @@ struct irq_chip_regs { * @regs: Register offsets for this chip * @handler: Flow handler associated with this chip * @type: Chip can handle these flow types + * @mask_cache_priv: Cached mask register private to the chip type + * @mask_cache: Pointer to cached mask register * * A irq_generic_chip can have several instances of irq_chip_type when * it requires different functions and register offsets for different @@ -654,6 +667,8 @@ struct irq_chip_type { struct irq_chip_regs regs; irq_flow_handler_t handler; u32 type; + u32 mask_cache_priv; + u32 *mask_cache; }; /** @@ -662,13 +677,16 @@ struct irq_chip_type { * @reg_base: Register base address (virtual) * @irq_base: Interrupt base nr for this chip * @irq_cnt: Number of interrupts handled by this chip - * @mask_cache: Cached mask register + * @mask_cache: Cached mask register shared between all chip types * @type_cache: Cached type register * @polarity_cache: Cached polarity register * @wake_enabled: Interrupt can wakeup from suspend * @wake_active: Interrupt is marked as an wakeup from suspend source * @num_ct: Number of available irq_chip_type instances (usually 1) * @private: Private data for non generic chip callbacks + * @installed: bitfield to denote installed interrupts + * @unused: bitfield to denote unused interrupts + * @domain: irq domain pointer * @list: List head for keeping track of instances * @chip_types: Array of interrupt irq_chip_types * @@ -690,6 +708,9 @@ struct irq_chip_generic { u32 wake_active; unsigned int num_ct; void *private; + unsigned long installed; + unsigned long unused; + struct irq_domain *domain; struct list_head list; struct irq_chip_type chip_types[0]; }; @@ -700,10 +721,32 @@ struct irq_chip_generic { * @IRQ_GC_INIT_NESTED_LOCK: Set the lock class of the irqs to nested for * irq chips which need to call irq_set_wake() on * the parent irq. Usually GPIO implementations + * @IRQ_GC_MASK_CACHE_PER_TYPE: Mask cache is chip type private + * @IRQ_GC_NO_MASK: Do not calculate irq_data->mask */ enum irq_gc_flags { IRQ_GC_INIT_MASK_CACHE = 1 << 0, IRQ_GC_INIT_NESTED_LOCK = 1 << 1, + IRQ_GC_MASK_CACHE_PER_TYPE = 1 << 2, + IRQ_GC_NO_MASK = 1 << 3, +}; + +/* + * struct irq_domain_chip_generic - Generic irq chip data structure for irq domains + * @irqs_per_chip: Number of interrupts per chip + * @num_chips: Number of chips + * @irq_flags_to_set: IRQ* flags to set on irq setup + * @irq_flags_to_clear: IRQ* flags to clear on irq setup + * @gc_flags: Generic chip specific setup flags + * @gc: Array of pointers to generic interrupt chips + */ +struct irq_domain_chip_generic { + unsigned int irqs_per_chip; + unsigned int num_chips; + unsigned int irq_flags_to_clear; + unsigned int irq_flags_to_set; + enum irq_gc_flags gc_flags; + struct irq_chip_generic *gc[0]; }; /* Generic chip callback functions */ @@ -729,6 +772,14 @@ int irq_setup_alt_chip(struct irq_data *d, unsigned int type); void irq_remove_generic_chip(struct irq_chip_generic *gc, u32 msk, unsigned int clr, unsigned int set); +struct irq_chip_generic *irq_get_domain_generic_chip(struct irq_domain *d, unsigned int hw_irq); +int irq_alloc_domain_generic_chips(struct irq_domain *d, int irqs_per_chip, + int num_ct, const char *name, + irq_flow_handler_t handler, + unsigned int clr, unsigned int set, + enum irq_gc_flags flags); + + static inline struct irq_chip_type *irq_data_get_chip_type(struct irq_data *d) { return container_of(d->chip, struct irq_chip_type, chip); diff --git a/include/linux/irqchip.h b/include/linux/irqchip.h index e0006f1d35a..14d79131f53 100644 --- a/include/linux/irqchip.h +++ b/include/linux/irqchip.h @@ -11,6 +11,10 @@ #ifndef _LINUX_IRQCHIP_H #define _LINUX_IRQCHIP_H +#ifdef CONFIG_IRQCHIP void irqchip_init(void); +#else +static inline void irqchip_init(void) {} +#endif #endif diff --git a/include/linux/irqdomain.h b/include/linux/irqdomain.h index 0d5b17bf5e5..ba2c708adcf 100644 --- a/include/linux/irqdomain.h +++ b/include/linux/irqdomain.h @@ -66,6 +66,10 @@ struct irq_domain_ops { unsigned long *out_hwirq, unsigned int *out_type); }; +extern struct irq_domain_ops irq_generic_chip_ops; + +struct irq_domain_chip_generic; + /** * struct irq_domain - Hardware interrupt number translation object * @link: Element in global irq_domain list. @@ -109,8 +113,16 @@ struct irq_domain { /* Optional device node pointer */ struct device_node *of_node; + /* Optional pointer to generic interrupt chips */ + struct irq_domain_chip_generic *gc; }; +#define IRQ_DOMAIN_MAP_LEGACY 0 /* driver allocated fixed range of irqs. + * ie. legacy 8259, gets irqs 1..15 */ +#define IRQ_DOMAIN_MAP_NOMAP 1 /* no fast reverse mapping */ +#define IRQ_DOMAIN_MAP_LINEAR 2 /* linear map of interrupts */ +#define IRQ_DOMAIN_MAP_TREE 3 /* radix tree */ + #ifdef CONFIG_IRQ_DOMAIN struct irq_domain *irq_domain_add_simple(struct device_node *of_node, unsigned int size, diff --git a/include/linux/jbd.h b/include/linux/jbd.h index 7e0b622503c..8685d1be12c 100644 --- a/include/linux/jbd.h +++ b/include/linux/jbd.h @@ -27,7 +27,6 @@ #include <linux/buffer_head.h> #include <linux/journal-head.h> #include <linux/stddef.h> -#include <linux/bit_spinlock.h> #include <linux/mutex.h> #include <linux/timer.h> #include <linux/lockdep.h> @@ -244,6 +243,31 @@ typedef struct journal_superblock_s #include <linux/fs.h> #include <linux/sched.h> + +enum jbd_state_bits { + BH_JBD /* Has an attached ext3 journal_head */ + = BH_PrivateStart, + BH_JWrite, /* Being written to log (@@@ DEBUGGING) */ + BH_Freed, /* Has been freed (truncated) */ + BH_Revoked, /* Has been revoked from the log */ + BH_RevokeValid, /* Revoked flag is valid */ + BH_JBDDirty, /* Is dirty but journaled */ + BH_State, /* Pins most journal_head state */ + BH_JournalHead, /* Pins bh->b_private and jh->b_bh */ + BH_Unshadow, /* Dummy bit, for BJ_Shadow wakeup filtering */ + BH_JBDPrivateStart, /* First bit available for private use by FS */ +}; + +BUFFER_FNS(JBD, jbd) +BUFFER_FNS(JWrite, jwrite) +BUFFER_FNS(JBDDirty, jbddirty) +TAS_BUFFER_FNS(JBDDirty, jbddirty) +BUFFER_FNS(Revoked, revoked) +TAS_BUFFER_FNS(Revoked, revoked) +BUFFER_FNS(RevokeValid, revokevalid) +TAS_BUFFER_FNS(RevokeValid, revokevalid) +BUFFER_FNS(Freed, freed) + #include <linux/jbd_common.h> #define J_ASSERT(assert) BUG_ON(!(assert)) @@ -840,7 +864,7 @@ extern void journal_release_buffer (handle_t *, struct buffer_head *); extern int journal_forget (handle_t *, struct buffer_head *); extern void journal_sync_buffer (struct buffer_head *); extern void journal_invalidatepage(journal_t *, - struct page *, unsigned long); + struct page *, unsigned int, unsigned int); extern int journal_try_to_free_buffers(journal_t *, struct page *, gfp_t); extern int journal_stop(handle_t *); extern int journal_flush (journal_t *); diff --git a/include/linux/jbd2.h b/include/linux/jbd2.h index 6e051f472ed..d5b50a19463 100644 --- a/include/linux/jbd2.h +++ b/include/linux/jbd2.h @@ -26,7 +26,6 @@ #include <linux/buffer_head.h> #include <linux/journal-head.h> #include <linux/stddef.h> -#include <linux/bit_spinlock.h> #include <linux/mutex.h> #include <linux/timer.h> #include <linux/slab.h> @@ -57,17 +56,13 @@ */ #define JBD2_EXPENSIVE_CHECKING extern ushort jbd2_journal_enable_debug; +void __jbd2_debug(int level, const char *file, const char *func, + unsigned int line, const char *fmt, ...); -#define jbd_debug(n, f, a...) \ - do { \ - if ((n) <= jbd2_journal_enable_debug) { \ - printk (KERN_DEBUG "(%s, %d): %s: ", \ - __FILE__, __LINE__, __func__); \ - printk (f, ## a); \ - } \ - } while (0) +#define jbd_debug(n, fmt, a...) \ + __jbd2_debug((n), __FILE__, __func__, __LINE__, (fmt), ##a) #else -#define jbd_debug(f, a...) /**/ +#define jbd_debug(n, fmt, a...) /**/ #endif extern void *jbd2_alloc(size_t size, gfp_t flags); @@ -302,6 +297,34 @@ typedef struct journal_superblock_s #include <linux/fs.h> #include <linux/sched.h> + +enum jbd_state_bits { + BH_JBD /* Has an attached ext3 journal_head */ + = BH_PrivateStart, + BH_JWrite, /* Being written to log (@@@ DEBUGGING) */ + BH_Freed, /* Has been freed (truncated) */ + BH_Revoked, /* Has been revoked from the log */ + BH_RevokeValid, /* Revoked flag is valid */ + BH_JBDDirty, /* Is dirty but journaled */ + BH_State, /* Pins most journal_head state */ + BH_JournalHead, /* Pins bh->b_private and jh->b_bh */ + BH_Shadow, /* IO on shadow buffer is running */ + BH_Verified, /* Metadata block has been verified ok */ + BH_JBDPrivateStart, /* First bit available for private use by FS */ +}; + +BUFFER_FNS(JBD, jbd) +BUFFER_FNS(JWrite, jwrite) +BUFFER_FNS(JBDDirty, jbddirty) +TAS_BUFFER_FNS(JBDDirty, jbddirty) +BUFFER_FNS(Revoked, revoked) +TAS_BUFFER_FNS(Revoked, revoked) +BUFFER_FNS(RevokeValid, revokevalid) +TAS_BUFFER_FNS(RevokeValid, revokevalid) +BUFFER_FNS(Freed, freed) +BUFFER_FNS(Shadow, shadow) +BUFFER_FNS(Verified, verified) + #include <linux/jbd_common.h> #define J_ASSERT(assert) BUG_ON(!(assert)) @@ -382,8 +405,15 @@ struct jbd2_revoke_table_s; struct jbd2_journal_handle { - /* Which compound transaction is this update a part of? */ - transaction_t *h_transaction; + union { + /* Which compound transaction is this update a part of? */ + transaction_t *h_transaction; + /* Which journal handle belongs to - used iff h_reserved set */ + journal_t *h_journal; + }; + + /* Handle reserved for finishing the logical operation */ + handle_t *h_rsv_handle; /* Number of remaining buffers we are allowed to dirty: */ int h_buffer_credits; @@ -398,6 +428,7 @@ struct jbd2_journal_handle /* Flags [no locking] */ unsigned int h_sync: 1; /* sync-on-close */ unsigned int h_jdata: 1; /* force data journaling */ + unsigned int h_reserved: 1; /* handle with reserved credits */ unsigned int h_aborted: 1; /* fatal error on handle */ unsigned int h_type: 8; /* for handle statistics */ unsigned int h_line_no: 16; /* for handle statistics */ @@ -524,12 +555,6 @@ struct transaction_s struct journal_head *t_checkpoint_io_list; /* - * Doubly-linked circular list of temporary buffers currently undergoing - * IO in the log [j_list_lock] - */ - struct journal_head *t_iobuf_list; - - /* * Doubly-linked circular list of metadata buffers being shadowed by log * IO. The IO buffers on the iobuf list and the shadow buffers on this * list match each other one for one at all times. [j_list_lock] @@ -537,12 +562,6 @@ struct transaction_s struct journal_head *t_shadow_list; /* - * Doubly-linked circular list of control buffers being written to the - * log. [j_list_lock] - */ - struct journal_head *t_log_list; - - /* * List of inodes whose data we've modified in data=ordered mode. * [j_list_lock] */ @@ -671,11 +690,10 @@ jbd2_time_diff(unsigned long start, unsigned long end) * waiting for checkpointing * @j_wait_transaction_locked: Wait queue for waiting for a locked transaction * to start committing, or for a barrier lock to be released - * @j_wait_logspace: Wait queue for waiting for checkpointing to complete * @j_wait_done_commit: Wait queue for waiting for commit to complete - * @j_wait_checkpoint: Wait queue to trigger checkpointing * @j_wait_commit: Wait queue to trigger commit * @j_wait_updates: Wait queue to wait for updates to complete + * @j_wait_reserved: Wait queue to wait for reserved buffer credits to drop * @j_checkpoint_mutex: Mutex for locking against concurrent checkpoints * @j_head: Journal head - identifies the first unused block in the journal * @j_tail: Journal tail - identifies the oldest still-used block in the @@ -689,6 +707,7 @@ jbd2_time_diff(unsigned long start, unsigned long end) * journal * @j_fs_dev: Device which holds the client fs. For internal journal this will * be equal to j_dev + * @j_reserved_credits: Number of buffers reserved from the running transaction * @j_maxlen: Total maximum capacity of the journal region on disk. * @j_list_lock: Protects the buffer lists and internal buffer state. * @j_inode: Optional inode where we store the journal. If present, all journal @@ -778,21 +797,18 @@ struct journal_s */ wait_queue_head_t j_wait_transaction_locked; - /* Wait queue for waiting for checkpointing to complete */ - wait_queue_head_t j_wait_logspace; - /* Wait queue for waiting for commit to complete */ wait_queue_head_t j_wait_done_commit; - /* Wait queue to trigger checkpointing */ - wait_queue_head_t j_wait_checkpoint; - /* Wait queue to trigger commit */ wait_queue_head_t j_wait_commit; /* Wait queue to wait for updates to complete */ wait_queue_head_t j_wait_updates; + /* Wait queue to wait for reserved buffer credits to drop */ + wait_queue_head_t j_wait_reserved; + /* Semaphore for locking against concurrent checkpoints */ struct mutex j_checkpoint_mutex; @@ -847,6 +863,9 @@ struct journal_s /* Total maximum capacity of the journal region on disk. */ unsigned int j_maxlen; + /* Number of buffers reserved from the running transaction */ + atomic_t j_reserved_credits; + /* * Protects the buffer lists and internal buffer state. */ @@ -991,9 +1010,17 @@ extern void __jbd2_journal_file_buffer(struct journal_head *, transaction_t *, i extern void __journal_free_buffer(struct journal_head *bh); extern void jbd2_journal_file_buffer(struct journal_head *, transaction_t *, int); extern void __journal_clean_data_list(transaction_t *transaction); +static inline void jbd2_file_log_bh(struct list_head *head, struct buffer_head *bh) +{ + list_add_tail(&bh->b_assoc_buffers, head); +} +static inline void jbd2_unfile_log_bh(struct buffer_head *bh) +{ + list_del_init(&bh->b_assoc_buffers); +} /* Log buffer allocation */ -extern struct journal_head * jbd2_journal_get_descriptor_buffer(journal_t *); +struct buffer_head *jbd2_journal_get_descriptor_buffer(journal_t *journal); int jbd2_journal_next_log_block(journal_t *, unsigned long long *); int jbd2_journal_get_log_tail(journal_t *journal, tid_t *tid, unsigned long *block); @@ -1039,11 +1066,10 @@ extern void jbd2_buffer_abort_trigger(struct journal_head *jh, struct jbd2_buffer_trigger_type *triggers); /* Buffer IO */ -extern int -jbd2_journal_write_metadata_buffer(transaction_t *transaction, - struct journal_head *jh_in, - struct journal_head **jh_out, - unsigned long long blocknr); +extern int jbd2_journal_write_metadata_buffer(transaction_t *transaction, + struct journal_head *jh_in, + struct buffer_head **bh_out, + sector_t blocknr); /* Transaction locking */ extern void __wait_on_journal (journal_t *); @@ -1076,10 +1102,14 @@ static inline handle_t *journal_current_handle(void) */ extern handle_t *jbd2_journal_start(journal_t *, int nblocks); -extern handle_t *jbd2__journal_start(journal_t *, int nblocks, gfp_t gfp_mask, - unsigned int type, unsigned int line_no); +extern handle_t *jbd2__journal_start(journal_t *, int blocks, int rsv_blocks, + gfp_t gfp_mask, unsigned int type, + unsigned int line_no); extern int jbd2_journal_restart(handle_t *, int nblocks); extern int jbd2__journal_restart(handle_t *, int nblocks, gfp_t gfp_mask); +extern int jbd2_journal_start_reserved(handle_t *handle, + unsigned int type, unsigned int line_no); +extern void jbd2_journal_free_reserved(handle_t *handle); extern int jbd2_journal_extend (handle_t *, int nblocks); extern int jbd2_journal_get_write_access(handle_t *, struct buffer_head *); extern int jbd2_journal_get_create_access (handle_t *, struct buffer_head *); @@ -1090,7 +1120,7 @@ extern int jbd2_journal_dirty_metadata (handle_t *, struct buffer_head *); extern int jbd2_journal_forget (handle_t *, struct buffer_head *); extern void journal_sync_buffer (struct buffer_head *); extern int jbd2_journal_invalidatepage(journal_t *, - struct page *, unsigned long); + struct page *, unsigned int, unsigned int); extern int jbd2_journal_try_to_free_buffers(journal_t *, struct page *, gfp_t); extern int jbd2_journal_stop(handle_t *); extern int jbd2_journal_flush (journal_t *); @@ -1125,6 +1155,7 @@ extern void jbd2_journal_ack_err (journal_t *); extern int jbd2_journal_clear_err (journal_t *); extern int jbd2_journal_bmap(journal_t *, unsigned long, unsigned long long *); extern int jbd2_journal_force_commit(journal_t *); +extern int jbd2_journal_force_commit_nested(journal_t *); extern int jbd2_journal_file_inode(handle_t *handle, struct jbd2_inode *inode); extern int jbd2_journal_begin_ordered_truncate(journal_t *journal, struct jbd2_inode *inode, loff_t new_size); @@ -1178,8 +1209,10 @@ extern int jbd2_journal_init_revoke_caches(void); extern void jbd2_journal_destroy_revoke(journal_t *); extern int jbd2_journal_revoke (handle_t *, unsigned long long, struct buffer_head *); extern int jbd2_journal_cancel_revoke(handle_t *, struct journal_head *); -extern void jbd2_journal_write_revoke_records(journal_t *, - transaction_t *, int); +extern void jbd2_journal_write_revoke_records(journal_t *journal, + transaction_t *transaction, + struct list_head *log_bufs, + int write_op); /* Recovery revoke support */ extern int jbd2_journal_set_revoke(journal_t *, unsigned long long, tid_t); @@ -1195,11 +1228,9 @@ extern void jbd2_clear_buffer_revoked_flags(journal_t *journal); * transitions on demand. */ -int __jbd2_log_space_left(journal_t *); /* Called with journal locked */ int jbd2_log_start_commit(journal_t *journal, tid_t tid); int __jbd2_log_start_commit(journal_t *journal, tid_t tid); int jbd2_journal_start_commit(journal_t *journal, tid_t *tid); -int jbd2_journal_force_commit_nested(journal_t *journal); int jbd2_log_wait_commit(journal_t *journal, tid_t tid); int jbd2_complete_transaction(journal_t *journal, tid_t tid); int jbd2_log_do_checkpoint(journal_t *journal); @@ -1235,7 +1266,7 @@ static inline int is_journal_aborted(journal_t *journal) static inline int is_handle_aborted(handle_t *handle) { - if (handle->h_aborted) + if (handle->h_aborted || !handle->h_transaction) return 1; return is_journal_aborted(handle->h_transaction->t_journal); } @@ -1266,16 +1297,37 @@ extern int jbd2_journal_blocks_per_page(struct inode *inode); extern size_t journal_tag_bytes(journal_t *journal); /* + * We reserve t_outstanding_credits >> JBD2_CONTROL_BLOCKS_SHIFT for + * transaction control blocks. + */ +#define JBD2_CONTROL_BLOCKS_SHIFT 5 + +/* * Return the minimum number of blocks which must be free in the journal * before a new transaction may be started. Must be called under j_state_lock. */ -static inline int jbd_space_needed(journal_t *journal) +static inline int jbd2_space_needed(journal_t *journal) { int nblocks = journal->j_max_transaction_buffers; - if (journal->j_committing_transaction) - nblocks += atomic_read(&journal->j_committing_transaction-> - t_outstanding_credits); - return nblocks; + return nblocks + (nblocks >> JBD2_CONTROL_BLOCKS_SHIFT); +} + +/* + * Return number of free blocks in the log. Must be called under j_state_lock. + */ +static inline unsigned long jbd2_log_space_left(journal_t *journal) +{ + /* Allow for rounding errors */ + unsigned long free = journal->j_free - 32; + + if (journal->j_committing_transaction) { + unsigned long committing = atomic_read(&journal-> + j_committing_transaction->t_outstanding_credits); + + /* Transaction + control blocks */ + free -= committing + (committing >> JBD2_CONTROL_BLOCKS_SHIFT); + } + return free; } /* @@ -1286,11 +1338,9 @@ static inline int jbd_space_needed(journal_t *journal) #define BJ_None 0 /* Not journaled */ #define BJ_Metadata 1 /* Normal journaled metadata */ #define BJ_Forget 2 /* Buffer superseded by this transaction */ -#define BJ_IO 3 /* Buffer is for temporary IO use */ -#define BJ_Shadow 4 /* Buffer contents being shadowed to the log */ -#define BJ_LogCtl 5 /* Buffer contains log descriptors */ -#define BJ_Reserved 6 /* Buffer is reserved for access by journal */ -#define BJ_Types 7 +#define BJ_Shadow 3 /* Buffer contents being shadowed to the log */ +#define BJ_Reserved 4 /* Buffer is reserved for access by journal */ +#define BJ_Types 5 extern int jbd_blocks_per_page(struct inode *inode); @@ -1319,6 +1369,19 @@ static inline u32 jbd2_chksum(journal_t *journal, u32 crc, return *(u32 *)desc.ctx; } +/* Return most recent uncommitted transaction */ +static inline tid_t jbd2_get_latest_transaction(journal_t *journal) +{ + tid_t tid; + + read_lock(&journal->j_state_lock); + tid = journal->j_commit_request; + if (journal->j_running_transaction) + tid = journal->j_running_transaction->t_tid; + read_unlock(&journal->j_state_lock); + return tid; +} + #ifdef __KERNEL__ #define buffer_trace_init(bh) do {} while (0) diff --git a/include/linux/jbd_common.h b/include/linux/jbd_common.h index 6133679bc4c..3dc53432355 100644 --- a/include/linux/jbd_common.h +++ b/include/linux/jbd_common.h @@ -1,31 +1,7 @@ #ifndef _LINUX_JBD_STATE_H #define _LINUX_JBD_STATE_H -enum jbd_state_bits { - BH_JBD /* Has an attached ext3 journal_head */ - = BH_PrivateStart, - BH_JWrite, /* Being written to log (@@@ DEBUGGING) */ - BH_Freed, /* Has been freed (truncated) */ - BH_Revoked, /* Has been revoked from the log */ - BH_RevokeValid, /* Revoked flag is valid */ - BH_JBDDirty, /* Is dirty but journaled */ - BH_State, /* Pins most journal_head state */ - BH_JournalHead, /* Pins bh->b_private and jh->b_bh */ - BH_Unshadow, /* Dummy bit, for BJ_Shadow wakeup filtering */ - BH_Verified, /* Metadata block has been verified ok */ - BH_JBDPrivateStart, /* First bit available for private use by FS */ -}; - -BUFFER_FNS(JBD, jbd) -BUFFER_FNS(JWrite, jwrite) -BUFFER_FNS(JBDDirty, jbddirty) -TAS_BUFFER_FNS(JBDDirty, jbddirty) -BUFFER_FNS(Revoked, revoked) -TAS_BUFFER_FNS(Revoked, revoked) -BUFFER_FNS(RevokeValid, revokevalid) -TAS_BUFFER_FNS(RevokeValid, revokevalid) -BUFFER_FNS(Freed, freed) -BUFFER_FNS(Verified, verified) +#include <linux/bit_spinlock.h> static inline struct buffer_head *jh2bh(struct journal_head *jh) { diff --git a/include/linux/kernel.h b/include/linux/kernel.h index e9ef6d6b51d..7e6b97e77fb 100644 --- a/include/linux/kernel.h +++ b/include/linux/kernel.h @@ -193,13 +193,10 @@ extern int _cond_resched(void); (__x < 0) ? -__x : __x; \ }) -#ifdef CONFIG_PROVE_LOCKING +#if defined(CONFIG_PROVE_LOCKING) || defined(CONFIG_DEBUG_ATOMIC_SLEEP) void might_fault(void); #else -static inline void might_fault(void) -{ - might_sleep(); -} +static inline void might_fault(void) { } #endif extern struct atomic_notifier_head panic_notifier_list; @@ -450,6 +447,8 @@ static inline char * __deprecated pack_hex_byte(char *buf, u8 byte) extern int hex_to_bin(char ch); extern int __must_check hex2bin(u8 *dst, const char *src, size_t count); +int mac_pton(const char *s, u8 *mac); + /* * General tracing related utility functions - trace_printk(), * tracing_on/tracing_off and tracing_start()/tracing_stop diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h index f0eea07d2c2..8db53cfaccd 100644 --- a/include/linux/kvm_host.h +++ b/include/linux/kvm_host.h @@ -23,6 +23,7 @@ #include <linux/ratelimit.h> #include <linux/err.h> #include <linux/irqflags.h> +#include <linux/context_tracking.h> #include <asm/signal.h> #include <linux/kvm.h> @@ -760,42 +761,6 @@ static inline int kvm_iommu_unmap_guest(struct kvm *kvm) } #endif -static inline void __guest_enter(void) -{ - /* - * This is running in ioctl context so we can avoid - * the call to vtime_account() with its unnecessary idle check. - */ - vtime_account_system(current); - current->flags |= PF_VCPU; -} - -static inline void __guest_exit(void) -{ - /* - * This is running in ioctl context so we can avoid - * the call to vtime_account() with its unnecessary idle check. - */ - vtime_account_system(current); - current->flags &= ~PF_VCPU; -} - -#ifdef CONFIG_CONTEXT_TRACKING -extern void guest_enter(void); -extern void guest_exit(void); - -#else /* !CONFIG_CONTEXT_TRACKING */ -static inline void guest_enter(void) -{ - __guest_enter(); -} - -static inline void guest_exit(void) -{ - __guest_exit(); -} -#endif /* !CONFIG_CONTEXT_TRACKING */ - static inline void kvm_guest_enter(void) { unsigned long flags; diff --git a/include/linux/loop.h b/include/linux/loop.h deleted file mode 100644 index 460b60fa7ad..00000000000 --- a/include/linux/loop.h +++ /dev/null @@ -1,85 +0,0 @@ -/* - * include/linux/loop.h - * - * Written by Theodore Ts'o, 3/29/93. - * - * Copyright 1993 by Theodore Ts'o. Redistribution of this file is - * permitted under the GNU General Public License. - */ -#ifndef _LINUX_LOOP_H -#define _LINUX_LOOP_H - -#include <linux/bio.h> -#include <linux/blkdev.h> -#include <linux/spinlock.h> -#include <linux/mutex.h> -#include <uapi/linux/loop.h> - -/* Possible states of device */ -enum { - Lo_unbound, - Lo_bound, - Lo_rundown, -}; - -struct loop_func_table; - -struct loop_device { - int lo_number; - int lo_refcnt; - loff_t lo_offset; - loff_t lo_sizelimit; - int lo_flags; - int (*transfer)(struct loop_device *, int cmd, - struct page *raw_page, unsigned raw_off, - struct page *loop_page, unsigned loop_off, - int size, sector_t real_block); - char lo_file_name[LO_NAME_SIZE]; - char lo_crypt_name[LO_NAME_SIZE]; - char lo_encrypt_key[LO_KEY_SIZE]; - int lo_encrypt_key_size; - struct loop_func_table *lo_encryption; - __u32 lo_init[2]; - kuid_t lo_key_owner; /* Who set the key */ - int (*ioctl)(struct loop_device *, int cmd, - unsigned long arg); - - struct file * lo_backing_file; - struct block_device *lo_device; - unsigned lo_blocksize; - void *key_data; - - gfp_t old_gfp_mask; - - spinlock_t lo_lock; - struct bio_list lo_bio_list; - unsigned int lo_bio_count; - int lo_state; - struct mutex lo_ctl_mutex; - struct task_struct *lo_thread; - wait_queue_head_t lo_event; - /* wait queue for incoming requests */ - wait_queue_head_t lo_req_wait; - - struct request_queue *lo_queue; - struct gendisk *lo_disk; -}; - -/* Support for loadable transfer modules */ -struct loop_func_table { - int number; /* filter type */ - int (*transfer)(struct loop_device *lo, int cmd, - struct page *raw_page, unsigned raw_off, - struct page *loop_page, unsigned loop_off, - int size, sector_t real_block); - int (*init)(struct loop_device *, const struct loop_info64 *); - /* release is called from loop_unregister_transfer or clr_fd */ - int (*release)(struct loop_device *); - int (*ioctl)(struct loop_device *, int cmd, unsigned long arg); - struct module *owner; -}; - -int loop_register_transfer(struct loop_func_table *funcs); -int loop_unregister_transfer(int number); - -#endif diff --git a/include/linux/math64.h b/include/linux/math64.h index b8ba8554472..2913b86eb12 100644 --- a/include/linux/math64.h +++ b/include/linux/math64.h @@ -6,7 +6,8 @@ #if BITS_PER_LONG == 64 -#define div64_long(x,y) div64_s64((x),(y)) +#define div64_long(x, y) div64_s64((x), (y)) +#define div64_ul(x, y) div64_u64((x), (y)) /** * div_u64_rem - unsigned 64bit divide with 32bit divisor with remainder @@ -47,7 +48,8 @@ static inline s64 div64_s64(s64 dividend, s64 divisor) #elif BITS_PER_LONG == 32 -#define div64_long(x,y) div_s64((x),(y)) +#define div64_long(x, y) div_s64((x), (y)) +#define div64_ul(x, y) div_u64((x), (y)) #ifndef div_u64_rem static inline u64 div_u64_rem(u64 dividend, u32 divisor, u32 *remainder) diff --git a/include/linux/mfd/davinci_voicecodec.h b/include/linux/mfd/davinci_voicecodec.h index 0ab61320ffa..7dd6524d2aa 100644 --- a/include/linux/mfd/davinci_voicecodec.h +++ b/include/linux/mfd/davinci_voicecodec.h @@ -26,8 +26,7 @@ #include <linux/kernel.h> #include <linux/platform_device.h> #include <linux/mfd/core.h> - -#include <mach/edma.h> +#include <linux/platform_data/edma.h> /* * Register values. diff --git a/include/linux/mfd/palmas.h b/include/linux/mfd/palmas.h index 8f21daf62fb..9b81b2bdc46 100644 --- a/include/linux/mfd/palmas.h +++ b/include/linux/mfd/palmas.h @@ -20,6 +20,8 @@ #include <linux/leds.h> #include <linux/regmap.h> #include <linux/regulator/driver.h> +#include <linux/extcon.h> +#include <linux/usb/phy_companion.h> #define PALMAS_NUM_CLIENTS 3 @@ -37,6 +39,12 @@ struct palmas_gpadc; struct palmas_resource; struct palmas_usb; +enum palmas_usb_state { + PALMAS_USB_STATE_DISCONNECT, + PALMAS_USB_STATE_VBUS, + PALMAS_USB_STATE_ID, +}; + struct palmas { struct device *dev; @@ -180,9 +188,6 @@ struct palmas_pmic_platform_data { }; struct palmas_usb_platform_data { - /* Set this if platform wishes its own vbus control */ - int no_control_vbus; - /* Do we enable the wakeup comparator on probe */ int wakeup; }; @@ -350,22 +355,19 @@ struct palmas_usb { struct palmas *palmas; struct device *dev; - /* for vbus reporting with irqs disabled */ - spinlock_t lock; - - struct regulator *vbus_reg; + struct extcon_dev edev; /* used to set vbus, in atomic path */ struct work_struct set_vbus_work; - int irq1; - int irq2; - int irq3; - int irq4; + int id_otg_irq; + int id_irq; + int vbus_otg_irq; + int vbus_irq; int vbus_enable; - u8 linkstat; + enum palmas_usb_state linkstat; }; #define comparator_to_palmas(x) container_of((x), struct palmas_usb, comparator) diff --git a/include/linux/mfd/syscon/clps711x.h b/include/linux/mfd/syscon/clps711x.h new file mode 100644 index 00000000000..26355abae51 --- /dev/null +++ b/include/linux/mfd/syscon/clps711x.h @@ -0,0 +1,94 @@ +/* + * CLPS711X system register bits definitions + * + * Copyright (C) 2013 Alexander Shiyan <shc_work@mail.ru> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#ifndef _LINUX_MFD_SYSCON_CLPS711X_H_ +#define _LINUX_MFD_SYSCON_CLPS711X_H_ + +#define SYSCON_OFFSET (0x00) +#define SYSFLG_OFFSET (0x40) + +#define SYSCON1_KBDSCAN(x) ((x) & 15) +#define SYSCON1_KBDSCAN_MASK (15) +#define SYSCON1_TC1M (1 << 4) +#define SYSCON1_TC1S (1 << 5) +#define SYSCON1_TC2M (1 << 6) +#define SYSCON1_TC2S (1 << 7) +#define SYSCON1_BZTOG (1 << 9) +#define SYSCON1_BZMOD (1 << 10) +#define SYSCON1_DBGEN (1 << 11) +#define SYSCON1_LCDEN (1 << 12) +#define SYSCON1_CDENTX (1 << 13) +#define SYSCON1_CDENRX (1 << 14) +#define SYSCON1_SIREN (1 << 15) +#define SYSCON1_ADCKSEL(x) (((x) & 3) << 16) +#define SYSCON1_ADCKSEL_MASK (3 << 16) +#define SYSCON1_EXCKEN (1 << 18) +#define SYSCON1_WAKEDIS (1 << 19) +#define SYSCON1_IRTXM (1 << 20) + +#define SYSCON2_SERSEL (1 << 0) +#define SYSCON2_KBD6 (1 << 1) +#define SYSCON2_DRAMZ (1 << 2) +#define SYSCON2_KBWEN (1 << 3) +#define SYSCON2_SS2TXEN (1 << 4) +#define SYSCON2_PCCARD1 (1 << 5) +#define SYSCON2_PCCARD2 (1 << 6) +#define SYSCON2_SS2RXEN (1 << 7) +#define SYSCON2_SS2MAEN (1 << 9) +#define SYSCON2_OSTB (1 << 12) +#define SYSCON2_CLKENSL (1 << 13) +#define SYSCON2_BUZFREQ (1 << 14) + +#define SYSCON3_ADCCON (1 << 0) +#define SYSCON3_CLKCTL0 (1 << 1) +#define SYSCON3_CLKCTL1 (1 << 2) +#define SYSCON3_DAISEL (1 << 3) +#define SYSCON3_ADCCKNSEN (1 << 4) +#define SYSCON3_VERSN(x) (((x) >> 5) & 7) +#define SYSCON3_VERSN_MASK (7 << 5) +#define SYSCON3_FASTWAKE (1 << 8) +#define SYSCON3_DAIEN (1 << 9) +#define SYSCON3_128FS SYSCON3_DAIEN +#define SYSCON3_ENPD67 (1 << 10) + +#define SYSCON_UARTEN (1 << 8) + +#define SYSFLG1_MCDR (1 << 0) +#define SYSFLG1_DCDET (1 << 1) +#define SYSFLG1_WUDR (1 << 2) +#define SYSFLG1_WUON (1 << 3) +#define SYSFLG1_CTS (1 << 8) +#define SYSFLG1_DSR (1 << 9) +#define SYSFLG1_DCD (1 << 10) +#define SYSFLG1_NBFLG (1 << 12) +#define SYSFLG1_RSTFLG (1 << 13) +#define SYSFLG1_PFFLG (1 << 14) +#define SYSFLG1_CLDFLG (1 << 15) +#define SYSFLG1_CRXFE (1 << 24) +#define SYSFLG1_CTXFF (1 << 25) +#define SYSFLG1_SSIBUSY (1 << 26) +#define SYSFLG1_ID (1 << 29) +#define SYSFLG1_VERID(x) (((x) >> 30) & 3) +#define SYSFLG1_VERID_MASK (3 << 30) + +#define SYSFLG2_SSRXOF (1 << 0) +#define SYSFLG2_RESVAL (1 << 1) +#define SYSFLG2_RESFRM (1 << 2) +#define SYSFLG2_SS2RXFE (1 << 3) +#define SYSFLG2_SS2TXFF (1 << 4) +#define SYSFLG2_SS2TXUF (1 << 5) +#define SYSFLG2_CKMODE (1 << 6) + +#define SYSFLG_UBUSY (1 << 11) +#define SYSFLG_URXFE (1 << 22) +#define SYSFLG_UTXFF (1 << 23) + +#endif diff --git a/include/linux/mm.h b/include/linux/mm.h index e0c8528a41a..66d881f1d57 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -1041,7 +1041,8 @@ int get_kernel_page(unsigned long start, int write, struct page **pages); struct page *get_dump_page(unsigned long addr); extern int try_to_release_page(struct page * page, gfp_t gfp_mask); -extern void do_invalidatepage(struct page *page, unsigned long offset); +extern void do_invalidatepage(struct page *page, unsigned int offset, + unsigned int length); int __set_page_dirty_nobuffers(struct page *page); int __set_page_dirty_no_writeback(struct page *page); diff --git a/include/linux/mutex-debug.h b/include/linux/mutex-debug.h index 731d77d6e15..4ac8b1977b7 100644 --- a/include/linux/mutex-debug.h +++ b/include/linux/mutex-debug.h @@ -3,6 +3,7 @@ #include <linux/linkage.h> #include <linux/lockdep.h> +#include <linux/debug_locks.h> /* * Mutexes - debugging helpers: diff --git a/include/linux/mutex.h b/include/linux/mutex.h index 433da8a1a42..3793ed7feee 100644 --- a/include/linux/mutex.h +++ b/include/linux/mutex.h @@ -10,6 +10,7 @@ #ifndef __LINUX_MUTEX_H #define __LINUX_MUTEX_H +#include <asm/current.h> #include <linux/list.h> #include <linux/spinlock_types.h> #include <linux/linkage.h> @@ -77,6 +78,40 @@ struct mutex_waiter { #endif }; +struct ww_class { + atomic_long_t stamp; + struct lock_class_key acquire_key; + struct lock_class_key mutex_key; + const char *acquire_name; + const char *mutex_name; +}; + +struct ww_acquire_ctx { + struct task_struct *task; + unsigned long stamp; + unsigned acquired; +#ifdef CONFIG_DEBUG_MUTEXES + unsigned done_acquire; + struct ww_class *ww_class; + struct ww_mutex *contending_lock; +#endif +#ifdef CONFIG_DEBUG_LOCK_ALLOC + struct lockdep_map dep_map; +#endif +#ifdef CONFIG_DEBUG_WW_MUTEX_SLOWPATH + unsigned deadlock_inject_interval; + unsigned deadlock_inject_countdown; +#endif +}; + +struct ww_mutex { + struct mutex base; + struct ww_acquire_ctx *ctx; +#ifdef CONFIG_DEBUG_MUTEXES + struct ww_class *ww_class; +#endif +}; + #ifdef CONFIG_DEBUG_MUTEXES # include <linux/mutex-debug.h> #else @@ -101,8 +136,11 @@ static inline void mutex_destroy(struct mutex *lock) {} #ifdef CONFIG_DEBUG_LOCK_ALLOC # define __DEP_MAP_MUTEX_INITIALIZER(lockname) \ , .dep_map = { .name = #lockname } +# define __WW_CLASS_MUTEX_INITIALIZER(lockname, ww_class) \ + , .ww_class = &ww_class #else # define __DEP_MAP_MUTEX_INITIALIZER(lockname) +# define __WW_CLASS_MUTEX_INITIALIZER(lockname, ww_class) #endif #define __MUTEX_INITIALIZER(lockname) \ @@ -112,13 +150,49 @@ static inline void mutex_destroy(struct mutex *lock) {} __DEBUG_MUTEX_INITIALIZER(lockname) \ __DEP_MAP_MUTEX_INITIALIZER(lockname) } +#define __WW_CLASS_INITIALIZER(ww_class) \ + { .stamp = ATOMIC_LONG_INIT(0) \ + , .acquire_name = #ww_class "_acquire" \ + , .mutex_name = #ww_class "_mutex" } + +#define __WW_MUTEX_INITIALIZER(lockname, class) \ + { .base = { \__MUTEX_INITIALIZER(lockname) } \ + __WW_CLASS_MUTEX_INITIALIZER(lockname, class) } + #define DEFINE_MUTEX(mutexname) \ struct mutex mutexname = __MUTEX_INITIALIZER(mutexname) +#define DEFINE_WW_CLASS(classname) \ + struct ww_class classname = __WW_CLASS_INITIALIZER(classname) + +#define DEFINE_WW_MUTEX(mutexname, ww_class) \ + struct ww_mutex mutexname = __WW_MUTEX_INITIALIZER(mutexname, ww_class) + + extern void __mutex_init(struct mutex *lock, const char *name, struct lock_class_key *key); /** + * ww_mutex_init - initialize the w/w mutex + * @lock: the mutex to be initialized + * @ww_class: the w/w class the mutex should belong to + * + * Initialize the w/w mutex to unlocked state and associate it with the given + * class. + * + * It is not allowed to initialize an already locked mutex. + */ +static inline void ww_mutex_init(struct ww_mutex *lock, + struct ww_class *ww_class) +{ + __mutex_init(&lock->base, ww_class->mutex_name, &ww_class->mutex_key); + lock->ctx = NULL; +#ifdef CONFIG_DEBUG_MUTEXES + lock->ww_class = ww_class; +#endif +} + +/** * mutex_is_locked - is the mutex locked * @lock: the mutex to be queried * @@ -136,6 +210,7 @@ static inline int mutex_is_locked(struct mutex *lock) #ifdef CONFIG_DEBUG_LOCK_ALLOC extern void mutex_lock_nested(struct mutex *lock, unsigned int subclass); extern void _mutex_lock_nest_lock(struct mutex *lock, struct lockdep_map *nest_lock); + extern int __must_check mutex_lock_interruptible_nested(struct mutex *lock, unsigned int subclass); extern int __must_check mutex_lock_killable_nested(struct mutex *lock, @@ -147,7 +222,7 @@ extern int __must_check mutex_lock_killable_nested(struct mutex *lock, #define mutex_lock_nest_lock(lock, nest_lock) \ do { \ - typecheck(struct lockdep_map *, &(nest_lock)->dep_map); \ + typecheck(struct lockdep_map *, &(nest_lock)->dep_map); \ _mutex_lock_nest_lock(lock, &(nest_lock)->dep_map); \ } while (0) @@ -170,6 +245,292 @@ extern int __must_check mutex_lock_killable(struct mutex *lock); */ extern int mutex_trylock(struct mutex *lock); extern void mutex_unlock(struct mutex *lock); + +/** + * ww_acquire_init - initialize a w/w acquire context + * @ctx: w/w acquire context to initialize + * @ww_class: w/w class of the context + * + * Initializes an context to acquire multiple mutexes of the given w/w class. + * + * Context-based w/w mutex acquiring can be done in any order whatsoever within + * a given lock class. Deadlocks will be detected and handled with the + * wait/wound logic. + * + * Mixing of context-based w/w mutex acquiring and single w/w mutex locking can + * result in undetected deadlocks and is so forbidden. Mixing different contexts + * for the same w/w class when acquiring mutexes can also result in undetected + * deadlocks, and is hence also forbidden. Both types of abuse will be caught by + * enabling CONFIG_PROVE_LOCKING. + * + * Nesting of acquire contexts for _different_ w/w classes is possible, subject + * to the usual locking rules between different lock classes. + * + * An acquire context must be released with ww_acquire_fini by the same task + * before the memory is freed. It is recommended to allocate the context itself + * on the stack. + */ +static inline void ww_acquire_init(struct ww_acquire_ctx *ctx, + struct ww_class *ww_class) +{ + ctx->task = current; + ctx->stamp = atomic_long_inc_return(&ww_class->stamp); + ctx->acquired = 0; +#ifdef CONFIG_DEBUG_MUTEXES + ctx->ww_class = ww_class; + ctx->done_acquire = 0; + ctx->contending_lock = NULL; +#endif +#ifdef CONFIG_DEBUG_LOCK_ALLOC + debug_check_no_locks_freed((void *)ctx, sizeof(*ctx)); + lockdep_init_map(&ctx->dep_map, ww_class->acquire_name, + &ww_class->acquire_key, 0); + mutex_acquire(&ctx->dep_map, 0, 0, _RET_IP_); +#endif +#ifdef CONFIG_DEBUG_WW_MUTEX_SLOWPATH + ctx->deadlock_inject_interval = 1; + ctx->deadlock_inject_countdown = ctx->stamp & 0xf; +#endif +} + +/** + * ww_acquire_done - marks the end of the acquire phase + * @ctx: the acquire context + * + * Marks the end of the acquire phase, any further w/w mutex lock calls using + * this context are forbidden. + * + * Calling this function is optional, it is just useful to document w/w mutex + * code and clearly designated the acquire phase from actually using the locked + * data structures. + */ +static inline void ww_acquire_done(struct ww_acquire_ctx *ctx) +{ +#ifdef CONFIG_DEBUG_MUTEXES + lockdep_assert_held(ctx); + + DEBUG_LOCKS_WARN_ON(ctx->done_acquire); + ctx->done_acquire = 1; +#endif +} + +/** + * ww_acquire_fini - releases a w/w acquire context + * @ctx: the acquire context to free + * + * Releases a w/w acquire context. This must be called _after_ all acquired w/w + * mutexes have been released with ww_mutex_unlock. + */ +static inline void ww_acquire_fini(struct ww_acquire_ctx *ctx) +{ +#ifdef CONFIG_DEBUG_MUTEXES + mutex_release(&ctx->dep_map, 0, _THIS_IP_); + + DEBUG_LOCKS_WARN_ON(ctx->acquired); + if (!config_enabled(CONFIG_PROVE_LOCKING)) + /* + * lockdep will normally handle this, + * but fail without anyway + */ + ctx->done_acquire = 1; + + if (!config_enabled(CONFIG_DEBUG_LOCK_ALLOC)) + /* ensure ww_acquire_fini will still fail if called twice */ + ctx->acquired = ~0U; +#endif +} + +extern int __must_check __ww_mutex_lock(struct ww_mutex *lock, + struct ww_acquire_ctx *ctx); +extern int __must_check __ww_mutex_lock_interruptible(struct ww_mutex *lock, + struct ww_acquire_ctx *ctx); + +/** + * ww_mutex_lock - acquire the w/w mutex + * @lock: the mutex to be acquired + * @ctx: w/w acquire context, or NULL to acquire only a single lock. + * + * Lock the w/w mutex exclusively for this task. + * + * Deadlocks within a given w/w class of locks are detected and handled with the + * wait/wound algorithm. If the lock isn't immediately avaiable this function + * will either sleep until it is (wait case). Or it selects the current context + * for backing off by returning -EDEADLK (wound case). Trying to acquire the + * same lock with the same context twice is also detected and signalled by + * returning -EALREADY. Returns 0 if the mutex was successfully acquired. + * + * In the wound case the caller must release all currently held w/w mutexes for + * the given context and then wait for this contending lock to be available by + * calling ww_mutex_lock_slow. Alternatively callers can opt to not acquire this + * lock and proceed with trying to acquire further w/w mutexes (e.g. when + * scanning through lru lists trying to free resources). + * + * The mutex must later on be released by the same task that + * acquired it. The task may not exit without first unlocking the mutex. Also, + * kernel memory where the mutex resides must not be freed with the mutex still + * locked. The mutex must first be initialized (or statically defined) before it + * can be locked. memset()-ing the mutex to 0 is not allowed. The mutex must be + * of the same w/w lock class as was used to initialize the acquire context. + * + * A mutex acquired with this function must be released with ww_mutex_unlock. + */ +static inline int ww_mutex_lock(struct ww_mutex *lock, struct ww_acquire_ctx *ctx) +{ + if (ctx) + return __ww_mutex_lock(lock, ctx); + else { + mutex_lock(&lock->base); + return 0; + } +} + +/** + * ww_mutex_lock_interruptible - acquire the w/w mutex, interruptible + * @lock: the mutex to be acquired + * @ctx: w/w acquire context + * + * Lock the w/w mutex exclusively for this task. + * + * Deadlocks within a given w/w class of locks are detected and handled with the + * wait/wound algorithm. If the lock isn't immediately avaiable this function + * will either sleep until it is (wait case). Or it selects the current context + * for backing off by returning -EDEADLK (wound case). Trying to acquire the + * same lock with the same context twice is also detected and signalled by + * returning -EALREADY. Returns 0 if the mutex was successfully acquired. If a + * signal arrives while waiting for the lock then this function returns -EINTR. + * + * In the wound case the caller must release all currently held w/w mutexes for + * the given context and then wait for this contending lock to be available by + * calling ww_mutex_lock_slow_interruptible. Alternatively callers can opt to + * not acquire this lock and proceed with trying to acquire further w/w mutexes + * (e.g. when scanning through lru lists trying to free resources). + * + * The mutex must later on be released by the same task that + * acquired it. The task may not exit without first unlocking the mutex. Also, + * kernel memory where the mutex resides must not be freed with the mutex still + * locked. The mutex must first be initialized (or statically defined) before it + * can be locked. memset()-ing the mutex to 0 is not allowed. The mutex must be + * of the same w/w lock class as was used to initialize the acquire context. + * + * A mutex acquired with this function must be released with ww_mutex_unlock. + */ +static inline int __must_check ww_mutex_lock_interruptible(struct ww_mutex *lock, + struct ww_acquire_ctx *ctx) +{ + if (ctx) + return __ww_mutex_lock_interruptible(lock, ctx); + else + return mutex_lock_interruptible(&lock->base); +} + +/** + * ww_mutex_lock_slow - slowpath acquiring of the w/w mutex + * @lock: the mutex to be acquired + * @ctx: w/w acquire context + * + * Acquires a w/w mutex with the given context after a wound case. This function + * will sleep until the lock becomes available. + * + * The caller must have released all w/w mutexes already acquired with the + * context and then call this function on the contended lock. + * + * Afterwards the caller may continue to (re)acquire the other w/w mutexes it + * needs with ww_mutex_lock. Note that the -EALREADY return code from + * ww_mutex_lock can be used to avoid locking this contended mutex twice. + * + * It is forbidden to call this function with any other w/w mutexes associated + * with the context held. It is forbidden to call this on anything else than the + * contending mutex. + * + * Note that the slowpath lock acquiring can also be done by calling + * ww_mutex_lock directly. This function here is simply to help w/w mutex + * locking code readability by clearly denoting the slowpath. + */ +static inline void +ww_mutex_lock_slow(struct ww_mutex *lock, struct ww_acquire_ctx *ctx) +{ + int ret; +#ifdef CONFIG_DEBUG_MUTEXES + DEBUG_LOCKS_WARN_ON(!ctx->contending_lock); +#endif + ret = ww_mutex_lock(lock, ctx); + (void)ret; +} + +/** + * ww_mutex_lock_slow_interruptible - slowpath acquiring of the w/w mutex, + * interruptible + * @lock: the mutex to be acquired + * @ctx: w/w acquire context + * + * Acquires a w/w mutex with the given context after a wound case. This function + * will sleep until the lock becomes available and returns 0 when the lock has + * been acquired. If a signal arrives while waiting for the lock then this + * function returns -EINTR. + * + * The caller must have released all w/w mutexes already acquired with the + * context and then call this function on the contended lock. + * + * Afterwards the caller may continue to (re)acquire the other w/w mutexes it + * needs with ww_mutex_lock. Note that the -EALREADY return code from + * ww_mutex_lock can be used to avoid locking this contended mutex twice. + * + * It is forbidden to call this function with any other w/w mutexes associated + * with the given context held. It is forbidden to call this on anything else + * than the contending mutex. + * + * Note that the slowpath lock acquiring can also be done by calling + * ww_mutex_lock_interruptible directly. This function here is simply to help + * w/w mutex locking code readability by clearly denoting the slowpath. + */ +static inline int __must_check +ww_mutex_lock_slow_interruptible(struct ww_mutex *lock, + struct ww_acquire_ctx *ctx) +{ +#ifdef CONFIG_DEBUG_MUTEXES + DEBUG_LOCKS_WARN_ON(!ctx->contending_lock); +#endif + return ww_mutex_lock_interruptible(lock, ctx); +} + +extern void ww_mutex_unlock(struct ww_mutex *lock); + +/** + * ww_mutex_trylock - tries to acquire the w/w mutex without acquire context + * @lock: mutex to lock + * + * Trylocks a mutex without acquire context, so no deadlock detection is + * possible. Returns 1 if the mutex has been acquired successfully, 0 otherwise. + */ +static inline int __must_check ww_mutex_trylock(struct ww_mutex *lock) +{ + return mutex_trylock(&lock->base); +} + +/*** + * ww_mutex_destroy - mark a w/w mutex unusable + * @lock: the mutex to be destroyed + * + * This function marks the mutex uninitialized, and any subsequent + * use of the mutex is forbidden. The mutex must not be locked when + * this function is called. + */ +static inline void ww_mutex_destroy(struct ww_mutex *lock) +{ + mutex_destroy(&lock->base); +} + +/** + * ww_mutex_is_locked - is the w/w mutex locked + * @lock: the mutex to be queried + * + * Returns 1 if the mutex is locked, 0 if unlocked. + */ +static inline bool ww_mutex_is_locked(struct ww_mutex *lock) +{ + return mutex_is_locked(&lock->base); +} + extern int atomic_dec_and_mutex_lock(atomic_t *cnt, struct mutex *lock); #ifndef CONFIG_HAVE_ARCH_MUTEX_CPU_RELAX diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index 60584b185a0..96e4c21e15e 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -1695,6 +1695,7 @@ extern int init_dummy_netdev(struct net_device *dev); extern struct net_device *dev_get_by_index(struct net *net, int ifindex); extern struct net_device *__dev_get_by_index(struct net *net, int ifindex); extern struct net_device *dev_get_by_index_rcu(struct net *net, int ifindex); +extern int netdev_get_name(struct net *net, char *name, int ifindex); extern int dev_restart(struct net_device *dev); #ifdef CONFIG_NETPOLL_TRAP extern int netpoll_trap(void); diff --git a/include/linux/of_address.h b/include/linux/of_address.h index 0506eb53519..4c2e6f26432 100644 --- a/include/linux/of_address.h +++ b/include/linux/of_address.h @@ -4,6 +4,36 @@ #include <linux/errno.h> #include <linux/of.h> +struct of_pci_range_parser { + struct device_node *node; + const __be32 *range; + const __be32 *end; + int np; + int pna; +}; + +struct of_pci_range { + u32 pci_space; + u64 pci_addr; + u64 cpu_addr; + u64 size; + u32 flags; +}; + +#define for_each_of_pci_range(parser, range) \ + for (; of_pci_range_parser_one(parser, range);) + +static inline void of_pci_range_to_resource(struct of_pci_range *range, + struct device_node *np, + struct resource *res) +{ + res->flags = range->flags; + res->start = range->cpu_addr; + res->end = range->cpu_addr + range->size - 1; + res->parent = res->child = res->sibling = NULL; + res->name = np->full_name; +} + #ifdef CONFIG_OF_ADDRESS extern u64 of_translate_address(struct device_node *np, const __be32 *addr); extern bool of_can_translate_address(struct device_node *dev); @@ -27,6 +57,11 @@ static inline unsigned long pci_address_to_pio(phys_addr_t addr) { return -1; } #define pci_address_to_pio pci_address_to_pio #endif +extern int of_pci_range_parser_init(struct of_pci_range_parser *parser, + struct device_node *node); +extern struct of_pci_range *of_pci_range_parser_one( + struct of_pci_range_parser *parser, + struct of_pci_range *range); #else /* CONFIG_OF_ADDRESS */ #ifndef of_address_to_resource static inline int of_address_to_resource(struct device_node *dev, int index, @@ -53,6 +88,19 @@ static inline const __be32 *of_get_address(struct device_node *dev, int index, { return NULL; } + +static inline int of_pci_range_parser_init(struct of_pci_range_parser *parser, + struct device_node *node) +{ + return -1; +} + +static inline struct of_pci_range *of_pci_range_parser_one( + struct of_pci_range_parser *parser, + struct of_pci_range *range) +{ + return NULL; +} #endif /* CONFIG_OF_ADDRESS */ diff --git a/include/linux/of_pci.h b/include/linux/of_pci.h index bb115deb761..7a04826018c 100644 --- a/include/linux/of_pci.h +++ b/include/linux/of_pci.h @@ -10,5 +10,7 @@ int of_irq_map_pci(const struct pci_dev *pdev, struct of_irq *out_irq); struct device_node; struct device_node *of_pci_find_child_device(struct device_node *parent, unsigned int devfn); +int of_pci_get_devfn(struct device_node *np); +int of_pci_parse_bus_range(struct device_node *node, struct resource *res); #endif diff --git a/include/linux/omap-mailbox.h b/include/linux/omap-mailbox.h new file mode 100644 index 00000000000..f8322d9cd23 --- /dev/null +++ b/include/linux/omap-mailbox.h @@ -0,0 +1,29 @@ +/* + * omap-mailbox: interprocessor communication module for OMAP + * + * 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. + */ + +#ifndef OMAP_MAILBOX_H +#define OMAP_MAILBOX_H + +typedef u32 mbox_msg_t; +struct omap_mbox; + +typedef int __bitwise omap_mbox_irq_t; +#define IRQ_TX ((__force omap_mbox_irq_t) 1) +#define IRQ_RX ((__force omap_mbox_irq_t) 2) + +int omap_mbox_msg_send(struct omap_mbox *, mbox_msg_t msg); + +struct omap_mbox *omap_mbox_get(const char *, struct notifier_block *nb); +void omap_mbox_put(struct omap_mbox *mbox, struct notifier_block *nb); + +void omap_mbox_save_ctx(struct omap_mbox *mbox); +void omap_mbox_restore_ctx(struct omap_mbox *mbox); +void omap_mbox_enable_irq(struct omap_mbox *mbox, omap_mbox_irq_t irq); +void omap_mbox_disable_irq(struct omap_mbox *mbox, omap_mbox_irq_t irq); + +#endif /* OMAP_MAILBOX_H */ diff --git a/include/linux/pci.h b/include/linux/pci.h index 3a24e4ff324..8f170e9073a 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -1643,6 +1643,7 @@ void pcibios_set_master(struct pci_dev *dev); int pcibios_set_pcie_reset_state(struct pci_dev *dev, enum pcie_reset_state state); int pcibios_add_device(struct pci_dev *dev); +void pcibios_release_device(struct pci_dev *dev); #ifdef CONFIG_PCI_MMCONFIG void __init pci_mmcfg_early_init(void); diff --git a/include/linux/percpu-refcount.h b/include/linux/percpu-refcount.h new file mode 100644 index 00000000000..95961f0bf62 --- /dev/null +++ b/include/linux/percpu-refcount.h @@ -0,0 +1,174 @@ +/* + * Percpu refcounts: + * (C) 2012 Google, Inc. + * Author: Kent Overstreet <koverstreet@google.com> + * + * This implements a refcount with similar semantics to atomic_t - atomic_inc(), + * atomic_dec_and_test() - but percpu. + * + * There's one important difference between percpu refs and normal atomic_t + * refcounts; you have to keep track of your initial refcount, and then when you + * start shutting down you call percpu_ref_kill() _before_ dropping the initial + * refcount. + * + * The refcount will have a range of 0 to ((1U << 31) - 1), i.e. one bit less + * than an atomic_t - this is because of the way shutdown works, see + * percpu_ref_kill()/PCPU_COUNT_BIAS. + * + * Before you call percpu_ref_kill(), percpu_ref_put() does not check for the + * refcount hitting 0 - it can't, if it was in percpu mode. percpu_ref_kill() + * puts the ref back in single atomic_t mode, collecting the per cpu refs and + * issuing the appropriate barriers, and then marks the ref as shutting down so + * that percpu_ref_put() will check for the ref hitting 0. After it returns, + * it's safe to drop the initial ref. + * + * USAGE: + * + * See fs/aio.c for some example usage; it's used there for struct kioctx, which + * is created when userspaces calls io_setup(), and destroyed when userspace + * calls io_destroy() or the process exits. + * + * In the aio code, kill_ioctx() is called when we wish to destroy a kioctx; it + * calls percpu_ref_kill(), then hlist_del_rcu() and sychronize_rcu() to remove + * the kioctx from the proccess's list of kioctxs - after that, there can't be + * any new users of the kioctx (from lookup_ioctx()) and it's then safe to drop + * the initial ref with percpu_ref_put(). + * + * Code that does a two stage shutdown like this often needs some kind of + * explicit synchronization to ensure the initial refcount can only be dropped + * once - percpu_ref_kill() does this for you, it returns true once and false if + * someone else already called it. The aio code uses it this way, but it's not + * necessary if the code has some other mechanism to synchronize teardown. + * around. + */ + +#ifndef _LINUX_PERCPU_REFCOUNT_H +#define _LINUX_PERCPU_REFCOUNT_H + +#include <linux/atomic.h> +#include <linux/kernel.h> +#include <linux/percpu.h> +#include <linux/rcupdate.h> + +struct percpu_ref; +typedef void (percpu_ref_func_t)(struct percpu_ref *); + +struct percpu_ref { + atomic_t count; + /* + * The low bit of the pointer indicates whether the ref is in percpu + * mode; if set, then get/put will manipulate the atomic_t (this is a + * hack because we need to keep the pointer around for + * percpu_ref_kill_rcu()) + */ + unsigned __percpu *pcpu_count; + percpu_ref_func_t *release; + percpu_ref_func_t *confirm_kill; + struct rcu_head rcu; +}; + +int __must_check percpu_ref_init(struct percpu_ref *ref, + percpu_ref_func_t *release); +void percpu_ref_cancel_init(struct percpu_ref *ref); +void percpu_ref_kill_and_confirm(struct percpu_ref *ref, + percpu_ref_func_t *confirm_kill); + +/** + * percpu_ref_kill - drop the initial ref + * @ref: percpu_ref to kill + * + * Must be used to drop the initial ref on a percpu refcount; must be called + * precisely once before shutdown. + * + * Puts @ref in non percpu mode, then does a call_rcu() before gathering up the + * percpu counters and dropping the initial ref. + */ +static inline void percpu_ref_kill(struct percpu_ref *ref) +{ + return percpu_ref_kill_and_confirm(ref, NULL); +} + +#define PCPU_STATUS_BITS 2 +#define PCPU_STATUS_MASK ((1 << PCPU_STATUS_BITS) - 1) +#define PCPU_REF_PTR 0 +#define PCPU_REF_DEAD 1 + +#define REF_STATUS(count) (((unsigned long) count) & PCPU_STATUS_MASK) + +/** + * percpu_ref_get - increment a percpu refcount + * @ref: percpu_ref to get + * + * Analagous to atomic_inc(). + */ +static inline void percpu_ref_get(struct percpu_ref *ref) +{ + unsigned __percpu *pcpu_count; + + rcu_read_lock_sched(); + + pcpu_count = ACCESS_ONCE(ref->pcpu_count); + + if (likely(REF_STATUS(pcpu_count) == PCPU_REF_PTR)) + __this_cpu_inc(*pcpu_count); + else + atomic_inc(&ref->count); + + rcu_read_unlock_sched(); +} + +/** + * percpu_ref_tryget - try to increment a percpu refcount + * @ref: percpu_ref to try-get + * + * Increment a percpu refcount unless it has already been killed. Returns + * %true on success; %false on failure. + * + * Completion of percpu_ref_kill() in itself doesn't guarantee that tryget + * will fail. For such guarantee, percpu_ref_kill_and_confirm() should be + * used. After the confirm_kill callback is invoked, it's guaranteed that + * no new reference will be given out by percpu_ref_tryget(). + */ +static inline bool percpu_ref_tryget(struct percpu_ref *ref) +{ + unsigned __percpu *pcpu_count; + int ret = false; + + rcu_read_lock_sched(); + + pcpu_count = ACCESS_ONCE(ref->pcpu_count); + + if (likely(REF_STATUS(pcpu_count) == PCPU_REF_PTR)) { + __this_cpu_inc(*pcpu_count); + ret = true; + } + + rcu_read_unlock_sched(); + + return ret; +} + +/** + * percpu_ref_put - decrement a percpu refcount + * @ref: percpu_ref to put + * + * Decrement the refcount, and if 0, call the release function (which was passed + * to percpu_ref_init()) + */ +static inline void percpu_ref_put(struct percpu_ref *ref) +{ + unsigned __percpu *pcpu_count; + + rcu_read_lock_sched(); + + pcpu_count = ACCESS_ONCE(ref->pcpu_count); + + if (likely(REF_STATUS(pcpu_count) == PCPU_REF_PTR)) + __this_cpu_dec(*pcpu_count); + else if (unlikely(atomic_dec_and_test(&ref->count))) + ref->release(ref); + + rcu_read_unlock_sched(); +} + +#endif diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h index f463a46424e..8873f82c7ba 100644 --- a/include/linux/perf_event.h +++ b/include/linux/perf_event.h @@ -73,13 +73,18 @@ struct perf_raw_record { * * support for mispred, predicted is optional. In case it * is not supported mispred = predicted = 0. + * + * in_tx: running in a hardware transaction + * abort: aborting a hardware transaction */ struct perf_branch_entry { __u64 from; __u64 to; __u64 mispred:1, /* target mispredicted */ predicted:1,/* target predicted */ - reserved:62; + in_tx:1, /* in transaction */ + abort:1, /* transaction abort */ + reserved:60; }; /* @@ -113,6 +118,8 @@ struct hw_perf_event_extra { int idx; /* index in shared_regs->regs[] */ }; +struct event_constraint; + /** * struct hw_perf_event - performance event hardware details: */ @@ -131,6 +138,8 @@ struct hw_perf_event { struct hw_perf_event_extra extra_reg; struct hw_perf_event_extra branch_reg; + + struct event_constraint *constraint; }; struct { /* software */ struct hrtimer hrtimer; @@ -188,12 +197,13 @@ struct pmu { struct device *dev; const struct attribute_group **attr_groups; - char *name; + const char *name; int type; int * __percpu pmu_disable_count; struct perf_cpu_context * __percpu pmu_cpu_context; int task_ctx_nr; + int hrtimer_interval_ms; /* * Fully disable/enable this PMU, can be used to protect from the PMI @@ -389,8 +399,7 @@ struct perf_event { /* mmap bits */ struct mutex mmap_mutex; atomic_t mmap_count; - int mmap_locked; - struct user_struct *mmap_user; + struct ring_buffer *rb; struct list_head rb_entry; @@ -501,8 +510,9 @@ struct perf_cpu_context { struct perf_event_context *task_ctx; int active_oncpu; int exclusive; + struct hrtimer hrtimer; + ktime_t hrtimer_interval; struct list_head rotation_list; - int jiffies_interval; struct pmu *unique_pmu; struct perf_cgroup *cgrp; }; @@ -518,7 +528,7 @@ struct perf_output_handle { #ifdef CONFIG_PERF_EVENTS -extern int perf_pmu_register(struct pmu *pmu, char *name, int type); +extern int perf_pmu_register(struct pmu *pmu, const char *name, int type); extern void perf_pmu_unregister(struct pmu *pmu); extern int perf_num_counters(void); @@ -696,10 +706,17 @@ static inline void perf_callchain_store(struct perf_callchain_entry *entry, u64 extern int sysctl_perf_event_paranoid; extern int sysctl_perf_event_mlock; extern int sysctl_perf_event_sample_rate; +extern int sysctl_perf_cpu_time_max_percent; + +extern void perf_sample_event_took(u64 sample_len_ns); extern int perf_proc_update_handler(struct ctl_table *table, int write, void __user *buffer, size_t *lenp, loff_t *ppos); +extern int perf_cpu_time_max_percent_handler(struct ctl_table *table, int write, + void __user *buffer, size_t *lenp, + loff_t *ppos); + static inline bool perf_paranoid_tracepoint_raw(void) { @@ -743,6 +760,7 @@ extern unsigned int perf_output_skip(struct perf_output_handle *handle, unsigned int len); extern int perf_swevent_get_recursion_context(void); extern void perf_swevent_put_recursion_context(int rctx); +extern u64 perf_swevent_set_period(struct perf_event *event); extern void perf_event_enable(struct perf_event *event); extern void perf_event_disable(struct perf_event *event); extern int __perf_event_disable(void *info); @@ -782,6 +800,7 @@ static inline void perf_event_fork(struct task_struct *tsk) { } static inline void perf_event_init(void) { } static inline int perf_swevent_get_recursion_context(void) { return -1; } static inline void perf_swevent_put_recursion_context(int rctx) { } +static inline u64 perf_swevent_set_period(struct perf_event *event) { return 0; } static inline void perf_event_enable(struct perf_event *event) { } static inline void perf_event_disable(struct perf_event *event) { } static inline int __perf_event_disable(void *info) { return -1; } @@ -803,7 +822,7 @@ static inline void perf_restore_debug_store(void) { } #define perf_output_put(handle, x) perf_output_copy((handle), &(x), sizeof(x)) /* - * This has to have a higher priority than migration_notifier in sched.c. + * This has to have a higher priority than migration_notifier in sched/core.c. */ #define perf_cpu_notifier(fn) \ do { \ diff --git a/include/linux/platform_data/ad7303.h b/include/linux/platform_data/ad7303.h new file mode 100644 index 00000000000..de6a7a6b4bb --- /dev/null +++ b/include/linux/platform_data/ad7303.h @@ -0,0 +1,21 @@ +/* + * Analog Devices AD7303 DAC driver + * + * Copyright 2013 Analog Devices Inc. + * + * Licensed under the GPL-2. + */ + +#ifndef __IIO_ADC_AD7303_H__ +#define __IIO_ADC_AD7303_H__ + +/** + * struct ad7303_platform_data - AD7303 platform data + * @use_external_ref: If set to true use an external voltage reference connected + * to the REF pin, otherwise use the internal reference derived from Vdd. + */ +struct ad7303_platform_data { + bool use_external_ref; +}; + +#endif diff --git a/include/linux/platform_data/dma-ste-dma40.h b/include/linux/platform_data/dma-ste-dma40.h index 4b781014b0a..1bb9b185225 100644 --- a/include/linux/platform_data/dma-ste-dma40.h +++ b/include/linux/platform_data/dma-ste-dma40.h @@ -70,23 +70,8 @@ enum stedma40_flow_ctrl { STEDMA40_FLOW_CTRL, }; -enum stedma40_periph_data_width { - STEDMA40_BYTE_WIDTH = STEDMA40_ESIZE_8_BIT, - STEDMA40_HALFWORD_WIDTH = STEDMA40_ESIZE_16_BIT, - STEDMA40_WORD_WIDTH = STEDMA40_ESIZE_32_BIT, - STEDMA40_DOUBLEWORD_WIDTH = STEDMA40_ESIZE_64_BIT -}; - -enum stedma40_xfer_dir { - STEDMA40_MEM_TO_MEM = 1, - STEDMA40_MEM_TO_PERIPH, - STEDMA40_PERIPH_TO_MEM, - STEDMA40_PERIPH_TO_PERIPH -}; - - /** - * struct stedma40_chan_cfg - dst/src channel configuration + * struct stedma40_half_channel_info - dst/src channel configuration * * @big_endian: true if the src/dst should be read as big endian * @data_width: Data width of the src/dst hardware @@ -95,7 +80,7 @@ enum stedma40_xfer_dir { */ struct stedma40_half_channel_info { bool big_endian; - enum stedma40_periph_data_width data_width; + enum dma_slave_buswidth data_width; int psize; enum stedma40_flow_ctrl flow_ctrl; }; @@ -109,8 +94,7 @@ struct stedma40_half_channel_info { * version 3+, i.e DB8500v2+ * @mode: channel mode: physical, logical, or operation * @mode_opt: options for the chosen channel mode - * @src_dev_type: Src device type - * @dst_dev_type: Dst device type + * @dev_type: src/dst device type (driver uses dir to figure out which) * @src_info: Parameters for dst half channel * @dst_info: Parameters for dst half channel * @use_fixed_channel: if true, use physical channel specified by phy_channel @@ -121,13 +105,12 @@ struct stedma40_half_channel_info { * */ struct stedma40_chan_cfg { - enum stedma40_xfer_dir dir; + enum dma_transfer_direction dir; bool high_priority; bool realtime; enum stedma40_mode mode; enum stedma40_mode_opt mode_opt; - int src_dev_type; - int dst_dev_type; + int dev_type; struct stedma40_half_channel_info src_info; struct stedma40_half_channel_info dst_info; @@ -138,13 +121,8 @@ struct stedma40_chan_cfg { /** * struct stedma40_platform_data - Configuration struct for the dma device. * - * @dev_len: length of dev_tx and dev_rx * @dev_tx: mapping between destination event line and io address * @dev_rx: mapping between source event line and io address - * @memcpy: list of memcpy event lines - * @memcpy_len: length of memcpy - * @memcpy_conf_phy: default configuration of physical channel memcpy - * @memcpy_conf_log: default configuration of logical channel memcpy * @disabled_channels: A vector, ending with -1, that marks physical channels * that are for different reasons not available for the driver. * @soft_lli_chans: A vector, that marks physical channels will use LLI by SW @@ -154,22 +132,17 @@ struct stedma40_chan_cfg { * @num_of_soft_lli_chans: The number of channels that needs to be configured * to use SoftLLI. * @use_esram_lcla: flag for mapping the lcla into esram region + * @num_of_memcpy_chans: The number of channels reserved for memcpy. * @num_of_phy_chans: The number of physical channels implemented in HW. * 0 means reading the number of channels from DMA HW but this is only valid * for 'multiple of 4' channels, like 8. */ struct stedma40_platform_data { - u32 dev_len; - const dma_addr_t *dev_tx; - const dma_addr_t *dev_rx; - int *memcpy; - u32 memcpy_len; - struct stedma40_chan_cfg *memcpy_conf_phy; - struct stedma40_chan_cfg *memcpy_conf_log; int disabled_channels[STEDMA40_MAX_PHYS]; int *soft_lli_chans; int num_of_soft_lli_chans; bool use_esram_lcla; + int num_of_memcpy_chans; int num_of_phy_chans; }; diff --git a/include/linux/platform_data/edma.h b/include/linux/platform_data/edma.h new file mode 100644 index 00000000000..57300fd7cc0 --- /dev/null +++ b/include/linux/platform_data/edma.h @@ -0,0 +1,183 @@ +/* + * TI EDMA definitions + * + * Copyright (C) 2006-2013 Texas Instruments. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +/* + * This EDMA3 programming framework exposes two basic kinds of resource: + * + * Channel Triggers transfers, usually from a hardware event but + * also manually or by "chaining" from DMA completions. + * Each channel is coupled to a Parameter RAM (PaRAM) slot. + * + * Slot Each PaRAM slot holds a DMA transfer descriptor (PaRAM + * "set"), source and destination addresses, a link to a + * next PaRAM slot (if any), options for the transfer, and + * instructions for updating those addresses. There are + * more than twice as many slots as event channels. + * + * Each PaRAM set describes a sequence of transfers, either for one large + * buffer or for several discontiguous smaller buffers. An EDMA transfer + * is driven only from a channel, which performs the transfers specified + * in its PaRAM slot until there are no more transfers. When that last + * transfer completes, the "link" field may be used to reload the channel's + * PaRAM slot with a new transfer descriptor. + * + * The EDMA Channel Controller (CC) maps requests from channels into physical + * Transfer Controller (TC) requests when the channel triggers (by hardware + * or software events, or by chaining). The two physical DMA channels provided + * by the TCs are thus shared by many logical channels. + * + * DaVinci hardware also has a "QDMA" mechanism which is not currently + * supported through this interface. (DSP firmware uses it though.) + */ + +#ifndef EDMA_H_ +#define EDMA_H_ + +/* PaRAM slots are laid out like this */ +struct edmacc_param { + unsigned int opt; + unsigned int src; + unsigned int a_b_cnt; + unsigned int dst; + unsigned int src_dst_bidx; + unsigned int link_bcntrld; + unsigned int src_dst_cidx; + unsigned int ccnt; +}; + +/* fields in edmacc_param.opt */ +#define SAM BIT(0) +#define DAM BIT(1) +#define SYNCDIM BIT(2) +#define STATIC BIT(3) +#define EDMA_FWID (0x07 << 8) +#define TCCMODE BIT(11) +#define EDMA_TCC(t) ((t) << 12) +#define TCINTEN BIT(20) +#define ITCINTEN BIT(21) +#define TCCHEN BIT(22) +#define ITCCHEN BIT(23) + +/*ch_status paramater of callback function possible values*/ +#define DMA_COMPLETE 1 +#define DMA_CC_ERROR 2 +#define DMA_TC1_ERROR 3 +#define DMA_TC2_ERROR 4 + +enum address_mode { + INCR = 0, + FIFO = 1 +}; + +enum fifo_width { + W8BIT = 0, + W16BIT = 1, + W32BIT = 2, + W64BIT = 3, + W128BIT = 4, + W256BIT = 5 +}; + +enum dma_event_q { + EVENTQ_0 = 0, + EVENTQ_1 = 1, + EVENTQ_2 = 2, + EVENTQ_3 = 3, + EVENTQ_DEFAULT = -1 +}; + +enum sync_dimension { + ASYNC = 0, + ABSYNC = 1 +}; + +#define EDMA_CTLR_CHAN(ctlr, chan) (((ctlr) << 16) | (chan)) +#define EDMA_CTLR(i) ((i) >> 16) +#define EDMA_CHAN_SLOT(i) ((i) & 0xffff) + +#define EDMA_CHANNEL_ANY -1 /* for edma_alloc_channel() */ +#define EDMA_SLOT_ANY -1 /* for edma_alloc_slot() */ +#define EDMA_CONT_PARAMS_ANY 1001 +#define EDMA_CONT_PARAMS_FIXED_EXACT 1002 +#define EDMA_CONT_PARAMS_FIXED_NOT_EXACT 1003 + +#define EDMA_MAX_CC 2 + +/* alloc/free DMA channels and their dedicated parameter RAM slots */ +int edma_alloc_channel(int channel, + void (*callback)(unsigned channel, u16 ch_status, void *data), + void *data, enum dma_event_q); +void edma_free_channel(unsigned channel); + +/* alloc/free parameter RAM slots */ +int edma_alloc_slot(unsigned ctlr, int slot); +void edma_free_slot(unsigned slot); + +/* alloc/free a set of contiguous parameter RAM slots */ +int edma_alloc_cont_slots(unsigned ctlr, unsigned int id, int slot, int count); +int edma_free_cont_slots(unsigned slot, int count); + +/* calls that operate on part of a parameter RAM slot */ +void edma_set_src(unsigned slot, dma_addr_t src_port, + enum address_mode mode, enum fifo_width); +void edma_set_dest(unsigned slot, dma_addr_t dest_port, + enum address_mode mode, enum fifo_width); +void edma_get_position(unsigned slot, dma_addr_t *src, dma_addr_t *dst); +void edma_set_src_index(unsigned slot, s16 src_bidx, s16 src_cidx); +void edma_set_dest_index(unsigned slot, s16 dest_bidx, s16 dest_cidx); +void edma_set_transfer_params(unsigned slot, u16 acnt, u16 bcnt, u16 ccnt, + u16 bcnt_rld, enum sync_dimension sync_mode); +void edma_link(unsigned from, unsigned to); +void edma_unlink(unsigned from); + +/* calls that operate on an entire parameter RAM slot */ +void edma_write_slot(unsigned slot, const struct edmacc_param *params); +void edma_read_slot(unsigned slot, struct edmacc_param *params); + +/* channel control operations */ +int edma_start(unsigned channel); +void edma_stop(unsigned channel); +void edma_clean_channel(unsigned channel); +void edma_clear_event(unsigned channel); +void edma_pause(unsigned channel); +void edma_resume(unsigned channel); + +struct edma_rsv_info { + + const s16 (*rsv_chans)[2]; + const s16 (*rsv_slots)[2]; +}; + +/* platform_data for EDMA driver */ +struct edma_soc_info { + + /* how many dma resources of each type */ + unsigned n_channel; + unsigned n_region; + unsigned n_slot; + unsigned n_tc; + unsigned n_cc; + /* + * Default queue is expected to be a low-priority queue. + * This way, long transfers on the default queue started + * by the codec engine will not cause audio defects. + */ + enum dma_event_q default_queue; + + /* Resource reservation for other cores */ + struct edma_rsv_info *rsv; + + s8 (*queue_tc_mapping)[2]; + s8 (*queue_priority_mapping)[2]; + const s16 (*xbar_chans)[2]; +}; + +#endif diff --git a/include/linux/platform_data/gpio-rcar.h b/include/linux/platform_data/gpio-rcar.h index b253f77a7dd..2d8d6943281 100644 --- a/include/linux/platform_data/gpio-rcar.h +++ b/include/linux/platform_data/gpio-rcar.h @@ -17,10 +17,13 @@ #define __GPIO_RCAR_H__ struct gpio_rcar_config { - unsigned int gpio_base; + int gpio_base; unsigned int irq_base; unsigned int number_of_pins; const char *pctl_name; + unsigned has_both_edge_trigger:1; }; +#define RCAR_GP_PIN(bank, pin) (((bank) * 32) + (pin)) + #endif /* __GPIO_RCAR_H__ */ diff --git a/include/linux/platform_data/mailbox-omap.h b/include/linux/platform_data/mailbox-omap.h new file mode 100644 index 00000000000..4631dbb4255 --- /dev/null +++ b/include/linux/platform_data/mailbox-omap.h @@ -0,0 +1,58 @@ +/* + * mailbox-omap.h + * + * Copyright (C) 2013 Texas Instruments, Inc. + * + * 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 program 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 General Public License for more details. + */ + +#ifndef _PLAT_MAILBOX_H +#define _PLAT_MAILBOX_H + +/* Interrupt register configuration types */ +#define MBOX_INTR_CFG_TYPE1 (0) +#define MBOX_INTR_CFG_TYPE2 (1) + +/** + * struct omap_mbox_dev_info - OMAP mailbox device attribute info + * @name: name of the mailbox device + * @tx_id: mailbox queue id used for transmitting messages + * @rx_id: mailbox queue id on which messages are received + * @irq_id: irq identifier number to use from the hwmod data + * @usr_id: mailbox user id for identifying the interrupt into + * the MPU interrupt controller. + */ +struct omap_mbox_dev_info { + const char *name; + u32 tx_id; + u32 rx_id; + u32 irq_id; + u32 usr_id; +}; + +/** + * struct omap_mbox_pdata - OMAP mailbox platform data + * @intr_type: type of interrupt configuration registers used + while programming mailbox queue interrupts + * @num_users: number of users (processor devices) that the mailbox + * h/w block can interrupt + * @num_fifos: number of h/w fifos within the mailbox h/w block + * @info_cnt: number of mailbox devices for the platform + * @info: array of mailbox device attributes + */ +struct omap_mbox_pdata { + u32 intr_type; + u32 num_users; + u32 num_fifos; + u32 info_cnt; + struct omap_mbox_dev_info *info; +}; + +#endif /* _PLAT_MAILBOX_H */ diff --git a/include/linux/platform_data/omap_ocp2scp.h b/include/linux/platform_data/omap_ocp2scp.h deleted file mode 100644 index 5c6c3939355..00000000000 --- a/include/linux/platform_data/omap_ocp2scp.h +++ /dev/null @@ -1,31 +0,0 @@ -/* - * omap_ocp2scp.h -- ocp2scp header file - * - * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * Author: Kishon Vijay Abraham I <kishon@ti.com> - * - * This program 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 General Public License for more details. - * - */ - -#ifndef __DRIVERS_OMAP_OCP2SCP_H -#define __DRIVERS_OMAP_OCP2SCP_H - -struct omap_ocp2scp_dev { - const char *drv_name; - struct resource *res; -}; - -struct omap_ocp2scp_platform_data { - int dev_cnt; - struct omap_ocp2scp_dev **devices; -}; -#endif /* __DRIVERS_OMAP_OCP2SCP_H */ diff --git a/include/linux/platform_data/pinctrl-coh901.h b/include/linux/platform_data/pinctrl-coh901.h deleted file mode 100644 index dfbc65d1048..00000000000 --- a/include/linux/platform_data/pinctrl-coh901.h +++ /dev/null @@ -1,22 +0,0 @@ -/* - * Copyright (C) 2007-2012 ST-Ericsson AB - * License terms: GNU General Public License (GPL) version 2 - * GPIO block resgister definitions and inline macros for - * U300 GPIO COH 901 335 or COH 901 571/3 - * Author: Linus Walleij <linus.walleij@stericsson.com> - */ - -#ifndef __MACH_U300_GPIO_U300_H -#define __MACH_U300_GPIO_U300_H - -/** - * struct u300_gpio_platform - U300 GPIO platform data - * @ports: number of GPIO block ports - * @gpio_base: first GPIO number for this block (use a free range) - */ -struct u300_gpio_platform { - u8 ports; - int gpio_base; -}; - -#endif /* __MACH_U300_GPIO_U300_H */ diff --git a/include/linux/platform_data/spi-davinci.h b/include/linux/platform_data/spi-davinci.h index 7af305b3786..8dc2fa47a2a 100644 --- a/include/linux/platform_data/spi-davinci.h +++ b/include/linux/platform_data/spi-davinci.h @@ -19,7 +19,7 @@ #ifndef __ARCH_ARM_DAVINCI_SPI_H #define __ARCH_ARM_DAVINCI_SPI_H -#include <mach/edma.h> +#include <linux/platform_data/edma.h> #define SPI_INTERN_CS 0xFF diff --git a/include/linux/platform_data/usb-musb-ux500.h b/include/linux/platform_data/usb-musb-ux500.h index 4c1cc50a595..dd9c83ac7de 100644 --- a/include/linux/platform_data/usb-musb-ux500.h +++ b/include/linux/platform_data/usb-musb-ux500.h @@ -9,14 +9,11 @@ #include <linux/dmaengine.h> -#define UX500_MUSB_DMA_NUM_RX_CHANNELS 8 -#define UX500_MUSB_DMA_NUM_TX_CHANNELS 8 +#define UX500_MUSB_DMA_NUM_RX_TX_CHANNELS 8 struct ux500_musb_board_data { void **dma_rx_param_array; void **dma_tx_param_array; - u32 num_rx_channels; - u32 num_tx_channels; bool (*dma_filter)(struct dma_chan *chan, void *filter_param); }; diff --git a/include/linux/platform_data/usb-rcar-phy.h b/include/linux/platform_data/usb-rcar-phy.h new file mode 100644 index 00000000000..8ec6964a32a --- /dev/null +++ b/include/linux/platform_data/usb-rcar-phy.h @@ -0,0 +1,28 @@ +/* + * Copyright (C) 2013 Renesas Solutions Corp. + * Copyright (C) 2013 Cogent Embedded, Inc. + * + * 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. + */ + +#ifndef __USB_RCAR_PHY_H +#define __USB_RCAR_PHY_H + +#include <linux/types.h> + +struct rcar_phy_platform_data { + bool ferrite_bead:1; /* (R8A7778 only) */ + + bool port1_func:1; /* true: port 1 used by function, false: host */ + unsigned penc1:1; /* Output of the PENC1 pin in function mode */ + struct { /* Overcurrent pin control for ports 0..2 */ + bool select_3_3v:1; /* true: USB_OVCn pin, false: OVCn pin */ + /* Set to false on port 1 in function mode */ + bool active_high:1; /* true: active high, false: active low */ + /* Set to true on port 1 in function mode */ + } ovc_pin[3]; /* (R8A7778 only has 2 ports) */ +}; + +#endif /* __USB_RCAR_PHY_H */ diff --git a/include/linux/platform_data/usb3503.h b/include/linux/platform_data/usb3503.h index 85dcc709f7e..1d1b6ef871f 100644 --- a/include/linux/platform_data/usb3503.h +++ b/include/linux/platform_data/usb3503.h @@ -3,6 +3,10 @@ #define USB3503_I2C_NAME "usb3503" +#define USB3503_OFF_PORT1 (1 << 1) +#define USB3503_OFF_PORT2 (1 << 2) +#define USB3503_OFF_PORT3 (1 << 3) + enum usb3503_mode { USB3503_MODE_UNKNOWN, USB3503_MODE_HUB, @@ -11,6 +15,7 @@ enum usb3503_mode { struct usb3503_platform_data { enum usb3503_mode initial_mode; + u8 port_off_mask; int gpio_intn; int gpio_connect; int gpio_reset; diff --git a/include/linux/platform_device.h b/include/linux/platform_device.h index 9abf1db6aea..cd46ee58b9d 100644 --- a/include/linux/platform_device.h +++ b/include/linux/platform_device.h @@ -180,7 +180,13 @@ struct platform_driver { const struct platform_device_id *id_table; }; -extern int platform_driver_register(struct platform_driver *); +/* + * use a macro to avoid include chaining to get THIS_MODULE + */ +#define platform_driver_register(drv) \ + __platform_driver_register(drv, THIS_MODULE) +extern int __platform_driver_register(struct platform_driver *, + struct module *); extern void platform_driver_unregister(struct platform_driver *); /* non-hotpluggable platform devices may use this so that probe() and diff --git a/include/linux/preempt.h b/include/linux/preempt.h index 87a03c746f1..f5d4723cdb3 100644 --- a/include/linux/preempt.h +++ b/include/linux/preempt.h @@ -33,9 +33,25 @@ do { \ preempt_schedule(); \ } while (0) +#ifdef CONFIG_CONTEXT_TRACKING + +void preempt_schedule_context(void); + +#define preempt_check_resched_context() \ +do { \ + if (unlikely(test_thread_flag(TIF_NEED_RESCHED))) \ + preempt_schedule_context(); \ +} while (0) +#else + +#define preempt_check_resched_context() preempt_check_resched() + +#endif /* CONFIG_CONTEXT_TRACKING */ + #else /* !CONFIG_PREEMPT */ #define preempt_check_resched() do { } while (0) +#define preempt_check_resched_context() do { } while (0) #endif /* CONFIG_PREEMPT */ @@ -88,7 +104,7 @@ do { \ do { \ preempt_enable_no_resched_notrace(); \ barrier(); \ - preempt_check_resched(); \ + preempt_check_resched_context(); \ } while (0) #else /* !CONFIG_PREEMPT_COUNT */ diff --git a/include/linux/rcupdate.h b/include/linux/rcupdate.h index ddcc7826d90..4b14bdc911d 100644 --- a/include/linux/rcupdate.h +++ b/include/linux/rcupdate.h @@ -216,6 +216,7 @@ static inline int rcu_preempt_depth(void) #endif /* #else #ifdef CONFIG_PREEMPT_RCU */ /* Internal to kernel */ +extern void rcu_init(void); extern void rcu_sched_qs(int cpu); extern void rcu_bh_qs(int cpu); extern void rcu_check_callbacks(int cpu, int user); @@ -239,8 +240,6 @@ static inline void rcu_user_hooks_switch(struct task_struct *prev, struct task_struct *next) { } #endif /* CONFIG_RCU_USER_QS */ -extern void exit_rcu(void); - /** * RCU_NONIDLE - Indicate idle-loop code that needs RCU readers * @a: Code that RCU needs to pay attention to. @@ -277,7 +276,7 @@ void wait_rcu_gp(call_rcu_func_t crf); #if defined(CONFIG_TREE_RCU) || defined(CONFIG_TREE_PREEMPT_RCU) #include <linux/rcutree.h> -#elif defined(CONFIG_TINY_RCU) || defined(CONFIG_TINY_PREEMPT_RCU) +#elif defined(CONFIG_TINY_RCU) #include <linux/rcutiny.h> #else #error "Unknown RCU implementation specified to kernel configuration" diff --git a/include/linux/rcutiny.h b/include/linux/rcutiny.h index 4e56a9c69a3..e31005ee339 100644 --- a/include/linux/rcutiny.h +++ b/include/linux/rcutiny.h @@ -27,10 +27,6 @@ #include <linux/cache.h> -static inline void rcu_init(void) -{ -} - static inline void rcu_barrier_bh(void) { wait_rcu_gp(call_rcu_bh); @@ -41,8 +37,6 @@ static inline void rcu_barrier_sched(void) wait_rcu_gp(call_rcu_sched); } -#ifdef CONFIG_TINY_RCU - static inline void synchronize_rcu_expedited(void) { synchronize_sched(); /* Only one CPU, so pretty fast anyway!!! */ @@ -53,17 +47,6 @@ static inline void rcu_barrier(void) rcu_barrier_sched(); /* Only one CPU, so only one list of callbacks! */ } -#else /* #ifdef CONFIG_TINY_RCU */ - -void synchronize_rcu_expedited(void); - -static inline void rcu_barrier(void) -{ - wait_rcu_gp(call_rcu); -} - -#endif /* #else #ifdef CONFIG_TINY_RCU */ - static inline void synchronize_rcu_bh(void) { synchronize_sched(); @@ -85,35 +68,15 @@ static inline void kfree_call_rcu(struct rcu_head *head, call_rcu(head, func); } -#ifdef CONFIG_TINY_RCU - -static inline void rcu_preempt_note_context_switch(void) -{ -} - static inline int rcu_needs_cpu(int cpu, unsigned long *delta_jiffies) { *delta_jiffies = ULONG_MAX; return 0; } -#else /* #ifdef CONFIG_TINY_RCU */ - -void rcu_preempt_note_context_switch(void); -int rcu_preempt_needs_cpu(void); - -static inline int rcu_needs_cpu(int cpu, unsigned long *delta_jiffies) -{ - *delta_jiffies = ULONG_MAX; - return rcu_preempt_needs_cpu(); -} - -#endif /* #else #ifdef CONFIG_TINY_RCU */ - static inline void rcu_note_context_switch(int cpu) { rcu_sched_qs(cpu); - rcu_preempt_note_context_switch(); } /* @@ -156,6 +119,10 @@ static inline void rcu_cpu_stall_reset(void) { } +static inline void exit_rcu(void) +{ +} + #ifdef CONFIG_DEBUG_LOCK_ALLOC extern int rcu_scheduler_active __read_mostly; extern void rcu_scheduler_starting(void); diff --git a/include/linux/rcutree.h b/include/linux/rcutree.h index 952b7933930..226169d1bd2 100644 --- a/include/linux/rcutree.h +++ b/include/linux/rcutree.h @@ -30,7 +30,6 @@ #ifndef __LINUX_RCUTREE_H #define __LINUX_RCUTREE_H -extern void rcu_init(void); extern void rcu_note_context_switch(int cpu); extern int rcu_needs_cpu(int cpu, unsigned long *delta_jiffies); extern void rcu_cpu_stall_reset(void); @@ -86,6 +85,8 @@ extern void rcu_force_quiescent_state(void); extern void rcu_bh_force_quiescent_state(void); extern void rcu_sched_force_quiescent_state(void); +extern void exit_rcu(void); + extern void rcu_scheduler_starting(void); extern int rcu_scheduler_active __read_mostly; diff --git a/include/linux/scatterlist.h b/include/linux/scatterlist.h index 5951e3f3887..26806775b11 100644 --- a/include/linux/scatterlist.h +++ b/include/linux/scatterlist.h @@ -111,6 +111,9 @@ static inline struct page *sg_page(struct scatterlist *sg) static inline void sg_set_buf(struct scatterlist *sg, const void *buf, unsigned int buflen) { +#ifdef CONFIG_DEBUG_SG + BUG_ON(!virt_addr_valid(buf)); +#endif sg_set_page(sg, virt_to_page(buf), buflen, offset_in_page(buf)); } diff --git a/include/linux/sched.h b/include/linux/sched.h index 178a8d909f1..ec80684a012 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -924,7 +924,7 @@ struct load_weight { struct sched_avg { /* * These sums represent an infinite geometric series and so are bound - * above by 1024/(1-y). Thus we only need a u32 to store them for for all + * above by 1024/(1-y). Thus we only need a u32 to store them for all * choices of y < 1-2^(-32)*1024. */ u32 runnable_avg_sum, runnable_avg_period; @@ -994,12 +994,7 @@ struct sched_entity { struct cfs_rq *my_q; #endif -/* - * Load-tracking only depends on SMP, FAIR_GROUP_SCHED dependency below may be - * removed when useful for applications beyond shares distribution (e.g. - * load-balance). - */ -#if defined(CONFIG_SMP) && defined(CONFIG_FAIR_GROUP_SCHED) +#ifdef CONFIG_SMP /* Per-entity load-tracking */ struct sched_avg avg; #endif diff --git a/include/linux/sdb.h b/include/linux/sdb.h new file mode 100644 index 00000000000..fbb76a46c8a --- /dev/null +++ b/include/linux/sdb.h @@ -0,0 +1,159 @@ +/* + * This is the official version 1.1 of sdb.h + */ +#ifndef __SDB_H__ +#define __SDB_H__ +#ifdef __KERNEL__ +#include <linux/types.h> +#else +#include <stdint.h> +#endif + +/* + * All structures are 64 bytes long and are expected + * to live in an array, one for each interconnect. + * Most fields of the structures are shared among the + * various types, and most-specific fields are at the + * beginning (for alignment reasons, and to keep the + * magic number at the head of the interconnect record + */ + +/* Product, 40 bytes at offset 24, 8-byte aligned + * + * device_id is vendor-assigned; version is device-specific, + * date is hex (e.g 0x20120501), name is UTF-8, blank-filled + * and not terminated with a 0 byte. + */ +struct sdb_product { + uint64_t vendor_id; /* 0x18..0x1f */ + uint32_t device_id; /* 0x20..0x23 */ + uint32_t version; /* 0x24..0x27 */ + uint32_t date; /* 0x28..0x2b */ + uint8_t name[19]; /* 0x2c..0x3e */ + uint8_t record_type; /* 0x3f */ +}; + +/* + * Component, 56 bytes at offset 8, 8-byte aligned + * + * The address range is first to last, inclusive + * (for example 0x100000 - 0x10ffff) + */ +struct sdb_component { + uint64_t addr_first; /* 0x08..0x0f */ + uint64_t addr_last; /* 0x10..0x17 */ + struct sdb_product product; /* 0x18..0x3f */ +}; + +/* Type of the SDB record */ +enum sdb_record_type { + sdb_type_interconnect = 0x00, + sdb_type_device = 0x01, + sdb_type_bridge = 0x02, + sdb_type_integration = 0x80, + sdb_type_repo_url = 0x81, + sdb_type_synthesis = 0x82, + sdb_type_empty = 0xFF, +}; + +/* Type 0: interconnect (first of the array) + * + * sdb_records is the length of the table including this first + * record, version is 1. The bus type is enumerated later. + */ +#define SDB_MAGIC 0x5344422d /* "SDB-" */ +struct sdb_interconnect { + uint32_t sdb_magic; /* 0x00-0x03 */ + uint16_t sdb_records; /* 0x04-0x05 */ + uint8_t sdb_version; /* 0x06 */ + uint8_t sdb_bus_type; /* 0x07 */ + struct sdb_component sdb_component; /* 0x08-0x3f */ +}; + +/* Type 1: device + * + * class is 0 for "custom device", other values are + * to be standardized; ABI version is for the driver, + * bus-specific bits are defined by each bus (see below) + */ +struct sdb_device { + uint16_t abi_class; /* 0x00-0x01 */ + uint8_t abi_ver_major; /* 0x02 */ + uint8_t abi_ver_minor; /* 0x03 */ + uint32_t bus_specific; /* 0x04-0x07 */ + struct sdb_component sdb_component; /* 0x08-0x3f */ +}; + +/* Type 2: bridge + * + * child is the address of the nested SDB table + */ +struct sdb_bridge { + uint64_t sdb_child; /* 0x00-0x07 */ + struct sdb_component sdb_component; /* 0x08-0x3f */ +}; + +/* Type 0x80: integration + * + * all types with bit 7 set are meta-information, so + * software can ignore the types it doesn't know. Here we + * just provide product information for an aggregate device + */ +struct sdb_integration { + uint8_t reserved[24]; /* 0x00-0x17 */ + struct sdb_product product; /* 0x08-0x3f */ +}; + +/* Type 0x81: Top module repository url + * + * again, an informative field that software can ignore + */ +struct sdb_repo_url { + uint8_t repo_url[63]; /* 0x00-0x3e */ + uint8_t record_type; /* 0x3f */ +}; + +/* Type 0x82: Synthesis tool information + * + * this informative record + */ +struct sdb_synthesis { + uint8_t syn_name[16]; /* 0x00-0x0f */ + uint8_t commit_id[16]; /* 0x10-0x1f */ + uint8_t tool_name[8]; /* 0x20-0x27 */ + uint32_t tool_version; /* 0x28-0x2b */ + uint32_t date; /* 0x2c-0x2f */ + uint8_t user_name[15]; /* 0x30-0x3e */ + uint8_t record_type; /* 0x3f */ +}; + +/* Type 0xff: empty + * + * this allows keeping empty slots during development, + * so they can be filled later with minimal efforts and + * no misleading description is ever shipped -- hopefully. + * It can also be used to pad a table to a desired length. + */ +struct sdb_empty { + uint8_t reserved[63]; /* 0x00-0x3e */ + uint8_t record_type; /* 0x3f */ +}; + +/* The type of bus, for bus-specific flags */ +enum sdb_bus_type { + sdb_wishbone = 0x00, + sdb_data = 0x01, +}; + +#define SDB_WB_WIDTH_MASK 0x0f +#define SDB_WB_ACCESS8 0x01 +#define SDB_WB_ACCESS16 0x02 +#define SDB_WB_ACCESS32 0x04 +#define SDB_WB_ACCESS64 0x08 +#define SDB_WB_LITTLE_ENDIAN 0x80 + +#define SDB_DATA_READ 0x04 +#define SDB_DATA_WRITE 0x02 +#define SDB_DATA_EXEC 0x01 + +#endif /* __SDB_H__ */ diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h index 87d4bbc773f..b98291ac7f1 100644 --- a/include/linux/serial_core.h +++ b/include/linux/serial_core.h @@ -31,6 +31,13 @@ #include <linux/sysrq.h> #include <uapi/linux/serial_core.h> +#ifdef CONFIG_SERIAL_CORE_CONSOLE +#define uart_console(port) \ + ((port)->cons && (port)->cons->index == (port)->line) +#else +#define uart_console(port) (0) +#endif + struct uart_port; struct serial_struct; struct device; diff --git a/include/linux/serial_sci.h b/include/linux/serial_sci.h index eb763adf981..d34049712a4 100644 --- a/include/linux/serial_sci.h +++ b/include/linux/serial_sci.h @@ -5,7 +5,7 @@ #include <linux/sh_dma.h> /* - * Generic header for SuperH SCI(F) (used by sh/sh64/h8300 and related parts) + * Generic header for SuperH (H)SCI(F) (used by sh/sh64/h8300 and related parts) */ #define SCIx_NOT_SUPPORTED (-1) @@ -16,6 +16,7 @@ enum { SCBRR_ALGO_3, /* (((clk * 2) + 16 * bps) / (16 * bps) - 1) */ SCBRR_ALGO_4, /* (((clk * 2) + 16 * bps) / (32 * bps) - 1) */ SCBRR_ALGO_5, /* (((clk * 1000 / 32) / bps) - 1) */ + SCBRR_ALGO_6, /* HSCIF variable sample rate algorithm */ }; #define SCSCR_TIE (1 << 7) @@ -37,7 +38,7 @@ enum { #define SCI_DEFAULT_ERROR_MASK (SCI_PER | SCI_FER) -/* SCxSR SCIF */ +/* SCxSR SCIF, HSCIF */ #define SCIF_ER 0x0080 #define SCIF_TEND 0x0040 #define SCIF_TDFE 0x0020 @@ -55,6 +56,9 @@ enum { #define SCSPTR_SPB2IO (1 << 1) #define SCSPTR_SPB2DT (1 << 0) +/* HSSRR HSCIF */ +#define HSCIF_SRE 0x8000 + /* Offsets into the sci_port->irqs array */ enum { SCIx_ERI_IRQ, @@ -90,6 +94,7 @@ enum { SCIx_SH4_SCIF_NO_SCSPTR_REGTYPE, SCIx_SH4_SCIF_FIFODATA_REGTYPE, SCIx_SH7705_SCIF_REGTYPE, + SCIx_HSCIF_REGTYPE, SCIx_NR_REGTYPES, }; @@ -115,6 +120,7 @@ enum { SCSMR, SCBRR, SCSCR, SCxSR, SCFCR, SCFDR, SCxTDR, SCxRDR, SCLSR, SCTFDR, SCRFDR, SCSPTR, + HSSRR, SCIx_NR_REGS, }; @@ -137,7 +143,7 @@ struct plat_sci_port { unsigned long mapbase; /* resource base */ unsigned int irqs[SCIx_NR_IRQS]; /* ERI, RXI, TXI, BRI */ unsigned int gpios[SCIx_NR_FNS]; /* SCK, RXD, TXD, CTS, RTS */ - unsigned int type; /* SCI / SCIF / IRDA */ + unsigned int type; /* SCI / SCIF / IRDA / HSCIF */ upf_t flags; /* UPF_* flags */ unsigned long capabilities; /* Port features/capabilities */ diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index 9c676eae396..dec1748cd00 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -627,6 +627,7 @@ static inline struct rtable *skb_rtable(const struct sk_buff *skb) } extern void kfree_skb(struct sk_buff *skb); +extern void kfree_skb_list(struct sk_buff *segs); extern void skb_tx_error(struct sk_buff *skb); extern void consume_skb(struct sk_buff *skb); extern void __kfree_skb(struct sk_buff *skb); diff --git a/include/linux/smp.h b/include/linux/smp.h index e6564c1dc55..c8488763277 100644 --- a/include/linux/smp.h +++ b/include/linux/smp.h @@ -11,6 +11,7 @@ #include <linux/list.h> #include <linux/cpumask.h> #include <linux/init.h> +#include <linux/irqflags.h> extern void cpu_idle(void); @@ -139,13 +140,17 @@ static inline int up_smp_call_function(smp_call_func_t func, void *info) } #define smp_call_function(func, info, wait) \ (up_smp_call_function(func, info)) -#define on_each_cpu(func,info,wait) \ - ({ \ - local_irq_disable(); \ - func(info); \ - local_irq_enable(); \ - 0; \ - }) + +static inline int on_each_cpu(smp_call_func_t func, void *info, int wait) +{ + unsigned long flags; + + local_irq_save(flags); + func(info); + local_irq_restore(flags); + return 0; +} + /* * Note we still need to test the mask even for UP * because we actually can get an empty mask from diff --git a/include/linux/spinlock_up.h b/include/linux/spinlock_up.h index e2369c167db..8b3ac0d718e 100644 --- a/include/linux/spinlock_up.h +++ b/include/linux/spinlock_up.h @@ -67,7 +67,7 @@ static inline void arch_spin_unlock(arch_spinlock_t *lock) #else /* DEBUG_SPINLOCK */ #define arch_spin_is_locked(lock) ((void)(lock), 0) -/* for sched.c and kernel_lock.c: */ +/* for sched/core.c and kernel_lock.c: */ # define arch_spin_lock(lock) do { barrier(); (void)(lock); } while (0) # define arch_spin_lock_flags(lock, flags) do { barrier(); (void)(lock); } while (0) # define arch_spin_unlock(lock) do { barrier(); (void)(lock); } while (0) diff --git a/include/linux/splice.h b/include/linux/splice.h index 09a545a7dfa..74575cbf2d6 100644 --- a/include/linux/splice.h +++ b/include/linux/splice.h @@ -35,6 +35,7 @@ struct splice_desc { void *data; /* cookie */ } u; loff_t pos; /* file position */ + loff_t *opos; /* sendfile: output position */ size_t num_spliced; /* number of bytes already spliced */ bool need_wakeup; /* need to wake up writer */ }; diff --git a/include/linux/srcu.h b/include/linux/srcu.h index 04f4121a23a..c114614ed17 100644 --- a/include/linux/srcu.h +++ b/include/linux/srcu.h @@ -237,47 +237,4 @@ static inline void srcu_read_unlock(struct srcu_struct *sp, int idx) __srcu_read_unlock(sp, idx); } -/** - * srcu_read_lock_raw - register a new reader for an SRCU-protected structure. - * @sp: srcu_struct in which to register the new reader. - * - * Enter an SRCU read-side critical section. Similar to srcu_read_lock(), - * but avoids the RCU-lockdep checking. This means that it is legal to - * use srcu_read_lock_raw() in one context, for example, in an exception - * handler, and then have the matching srcu_read_unlock_raw() in another - * context, for example in the task that took the exception. - * - * However, the entire SRCU read-side critical section must reside within a - * single task. For example, beware of using srcu_read_lock_raw() in - * a device interrupt handler and srcu_read_unlock() in the interrupted - * task: This will not work if interrupts are threaded. - */ -static inline int srcu_read_lock_raw(struct srcu_struct *sp) -{ - unsigned long flags; - int ret; - - local_irq_save(flags); - ret = __srcu_read_lock(sp); - local_irq_restore(flags); - return ret; -} - -/** - * srcu_read_unlock_raw - unregister reader from an SRCU-protected structure. - * @sp: srcu_struct in which to unregister the old reader. - * @idx: return value from corresponding srcu_read_lock_raw(). - * - * Exit an SRCU read-side critical section without lockdep-RCU checking. - * See srcu_read_lock_raw() for more details. - */ -static inline void srcu_read_unlock_raw(struct srcu_struct *sp, int idx) -{ - unsigned long flags; - - local_irq_save(flags); - __srcu_read_unlock(sp, idx); - local_irq_restore(flags); -} - #endif diff --git a/include/linux/swapops.h b/include/linux/swapops.h index 47ead515c81..c5fd30d2a41 100644 --- a/include/linux/swapops.h +++ b/include/linux/swapops.h @@ -137,6 +137,7 @@ static inline void make_migration_entry_read(swp_entry_t *entry) extern void migration_entry_wait(struct mm_struct *mm, pmd_t *pmd, unsigned long address); +extern void migration_entry_wait_huge(struct mm_struct *mm, pte_t *pte); #else #define make_migration_entry(page, write) swp_entry(0, 0) @@ -148,6 +149,8 @@ static inline int is_migration_entry(swp_entry_t swp) static inline void make_migration_entry_read(swp_entry_t *entryp) { } static inline void migration_entry_wait(struct mm_struct *mm, pmd_t *pmd, unsigned long address) { } +static inline void migration_entry_wait_huge(struct mm_struct *mm, + pte_t *pte) { } static inline int is_write_migration_entry(swp_entry_t entry) { return 0; diff --git a/include/linux/syslog.h b/include/linux/syslog.h index 38911391a13..98a3153c0f9 100644 --- a/include/linux/syslog.h +++ b/include/linux/syslog.h @@ -44,8 +44,8 @@ /* Return size of the log buffer */ #define SYSLOG_ACTION_SIZE_BUFFER 10 -#define SYSLOG_FROM_CALL 0 -#define SYSLOG_FROM_FILE 1 +#define SYSLOG_FROM_READER 0 +#define SYSLOG_FROM_PROC 1 int do_syslog(int type, char __user *buf, int count, bool from_file); diff --git a/include/linux/tracepoint.h b/include/linux/tracepoint.h index 2f322c38bd4..ebeab360d85 100644 --- a/include/linux/tracepoint.h +++ b/include/linux/tracepoint.h @@ -145,8 +145,8 @@ static inline void tracepoint_synchronize_unregister(void) TP_PROTO(data_proto), \ TP_ARGS(data_args), \ TP_CONDITION(cond), \ - rcu_idle_exit(), \ - rcu_idle_enter()); \ + rcu_irq_enter(), \ + rcu_irq_exit()); \ } #else #define __DECLARE_TRACE_RCU(name, proto, args, cond, data_proto, data_args) @@ -378,6 +378,8 @@ static inline void tracepoint_synchronize_unregister(void) #define DECLARE_EVENT_CLASS(name, proto, args, tstruct, assign, print) #define DEFINE_EVENT(template, name, proto, args) \ DECLARE_TRACE(name, PARAMS(proto), PARAMS(args)) +#define DEFINE_EVENT_FN(template, name, proto, args, reg, unreg)\ + DECLARE_TRACE(name, PARAMS(proto), PARAMS(args)) #define DEFINE_EVENT_PRINT(template, name, proto, args, print) \ DECLARE_TRACE(name, PARAMS(proto), PARAMS(args)) #define DEFINE_EVENT_CONDITION(template, name, proto, \ diff --git a/include/linux/tty.h b/include/linux/tty.h index 8780bd2a272..01ac30efd6a 100644 --- a/include/linux/tty.h +++ b/include/linux/tty.h @@ -272,7 +272,6 @@ struct tty_struct { #define N_TTY_BUF_SIZE 4096 unsigned char closing:1; - unsigned short minimum_to_wake; unsigned char *write_buf; int write_cnt; /* If the tty has a pending do_SAK, queue it here - akpm */ @@ -309,8 +308,6 @@ struct tty_file_private { #define TTY_LDISC 9 /* Line discipline attached */ #define TTY_LDISC_CHANGING 10 /* Line discipline changing */ #define TTY_LDISC_OPEN 11 /* Line discipline is open */ -#define TTY_HW_COOK_OUT 14 /* Hardware can do output cooking */ -#define TTY_HW_COOK_IN 15 /* Hardware can do input cooking */ #define TTY_PTY_LOCK 16 /* pty private */ #define TTY_NO_WRITE_SPLIT 17 /* Preserve write boundaries to driver */ #define TTY_HUPPED 18 /* Post driver->hangup() */ diff --git a/include/linux/tty_ldisc.h b/include/linux/tty_ldisc.h index 58390c73df8..a1b04899982 100644 --- a/include/linux/tty_ldisc.h +++ b/include/linux/tty_ldisc.h @@ -100,6 +100,11 @@ * seek to perform this action quickly but should wait until * any pending driver I/O is completed. * + * void (*fasync)(struct tty_struct *, int on) + * + * Notify line discipline when signal-driven I/O is enabled or + * disabled. + * * void (*dcd_change)(struct tty_struct *tty, unsigned int status) * * Tells the discipline that the DCD pin has changed its status. @@ -110,6 +115,52 @@ #include <linux/wait.h> #include <linux/wait.h> + +/* + * the semaphore definition + */ +struct ld_semaphore { + long count; + raw_spinlock_t wait_lock; + unsigned int wait_readers; + struct list_head read_wait; + struct list_head write_wait; +#ifdef CONFIG_DEBUG_LOCK_ALLOC + struct lockdep_map dep_map; +#endif +}; + +extern void __init_ldsem(struct ld_semaphore *sem, const char *name, + struct lock_class_key *key); + +#define init_ldsem(sem) \ +do { \ + static struct lock_class_key __key; \ + \ + __init_ldsem((sem), #sem, &__key); \ +} while (0) + + +extern int ldsem_down_read(struct ld_semaphore *sem, long timeout); +extern int ldsem_down_read_trylock(struct ld_semaphore *sem); +extern int ldsem_down_write(struct ld_semaphore *sem, long timeout); +extern int ldsem_down_write_trylock(struct ld_semaphore *sem); +extern void ldsem_up_read(struct ld_semaphore *sem); +extern void ldsem_up_write(struct ld_semaphore *sem); + +#ifdef CONFIG_DEBUG_LOCK_ALLOC +extern int ldsem_down_read_nested(struct ld_semaphore *sem, int subclass, + long timeout); +extern int ldsem_down_write_nested(struct ld_semaphore *sem, int subclass, + long timeout); +#else +# define ldsem_down_read_nested(sem, subclass, timeout) \ + ldsem_down_read(sem, timeout) +# define ldsem_down_write_nested(sem, subclass, timeout) \ + ldsem_down_write(sem, timeout) +#endif + + struct tty_ldisc_ops { int magic; char *name; @@ -143,6 +194,7 @@ struct tty_ldisc_ops { char *fp, int count); void (*write_wakeup)(struct tty_struct *); void (*dcd_change)(struct tty_struct *, unsigned int); + void (*fasync)(struct tty_struct *tty, int on); struct module *owner; diff --git a/include/linux/usb.h b/include/linux/usb.h index a0bee5a28d1..a232b7ece1f 100644 --- a/include/linux/usb.h +++ b/include/linux/usb.h @@ -394,6 +394,22 @@ enum usb_port_connect_type { }; /* + * USB 2.0 Link Power Management (LPM) parameters. + */ +struct usb2_lpm_parameters { + /* Best effort service latency indicate how long the host will drive + * resume on an exit from L1. + */ + unsigned int besl; + + /* Timeout value in microseconds for the L1 inactivity (LPM) timer. + * When the timer counts to zero, the parent hub will initiate a LPM + * transition to L1. + */ + int timeout; +}; + +/* * USB 3.0 Link Power Management (LPM) parameters. * * PEL and SEL are USB 3.0 Link PM latencies for device-initiated LPM exit. @@ -468,6 +484,7 @@ struct usb3_lpm_parameters { * @wusb: device is Wireless USB * @lpm_capable: device supports LPM * @usb2_hw_lpm_capable: device can perform USB2 hardware LPM + * @usb2_hw_lpm_besl_capable: device can perform USB2 hardware BESL LPM * @usb2_hw_lpm_enabled: USB2 hardware LPM enabled * @usb3_lpm_enabled: USB3 hardware LPM enabled * @string_langid: language ID for strings @@ -487,6 +504,7 @@ struct usb3_lpm_parameters { * specific data for the device. * @slot_id: Slot ID assigned by xHCI * @removable: Device can be physically removed from this port + * @l1_params: best effor service latency for USB2 L1 LPM state, and L1 timeout. * @u1_params: exit latencies for USB3 U1 LPM state, and hub-initiated timeout. * @u2_params: exit latencies for USB3 U2 LPM state, and hub-initiated timeout. * @lpm_disable_count: Ref count used by usb_disable_lpm() and usb_enable_lpm() @@ -538,6 +556,7 @@ struct usb_device { unsigned wusb:1; unsigned lpm_capable:1; unsigned usb2_hw_lpm_capable:1; + unsigned usb2_hw_lpm_besl_capable:1; unsigned usb2_hw_lpm_enabled:1; unsigned usb3_lpm_enabled:1; int string_langid; @@ -566,6 +585,7 @@ struct usb_device { struct wusb_dev *wusb_dev; int slot_id; enum usb_device_removable removable; + struct usb2_lpm_parameters l1_params; struct usb3_lpm_parameters u1_params; struct usb3_lpm_parameters u2_params; unsigned lpm_disable_count; @@ -717,6 +737,7 @@ const struct usb_device_id *usb_match_id(struct usb_interface *interface, extern int usb_match_one_id(struct usb_interface *interface, const struct usb_device_id *id); +extern int usb_for_each_dev(void *data, int (*fn)(struct usb_device *, void *)); extern struct usb_interface *usb_find_interface(struct usb_driver *drv, int minor); extern struct usb_interface *usb_ifnum_to_if(const struct usb_device *dev, diff --git a/include/linux/usb/chipidea.h b/include/linux/usb/chipidea.h index 544825dde82..25629948c84 100644 --- a/include/linux/usb/chipidea.h +++ b/include/linux/usb/chipidea.h @@ -7,32 +7,33 @@ #include <linux/usb/otg.h> -struct ci13xxx; -struct ci13xxx_platform_data { +struct ci_hdrc; +struct ci_hdrc_platform_data { const char *name; /* offset of the capability registers */ uintptr_t capoffset; unsigned power_budget; struct usb_phy *phy; + enum usb_phy_interface phy_mode; unsigned long flags; -#define CI13XXX_REGS_SHARED BIT(0) -#define CI13XXX_REQUIRE_TRANSCEIVER BIT(1) -#define CI13XXX_PULLUP_ON_VBUS BIT(2) -#define CI13XXX_DISABLE_STREAMING BIT(3) - -#define CI13XXX_CONTROLLER_RESET_EVENT 0 -#define CI13XXX_CONTROLLER_STOPPED_EVENT 1 - void (*notify_event) (struct ci13xxx *ci, unsigned event); +#define CI_HDRC_REGS_SHARED BIT(0) +#define CI_HDRC_REQUIRE_TRANSCEIVER BIT(1) +#define CI_HDRC_PULLUP_ON_VBUS BIT(2) +#define CI_HDRC_DISABLE_STREAMING BIT(3) + enum usb_dr_mode dr_mode; +#define CI_HDRC_CONTROLLER_RESET_EVENT 0 +#define CI_HDRC_CONTROLLER_STOPPED_EVENT 1 + void (*notify_event) (struct ci_hdrc *ci, unsigned event); }; /* Default offset of capability registers */ #define DEF_CAPOFFSET 0x100 -/* Add ci13xxx device */ -struct platform_device *ci13xxx_add_device(struct device *dev, +/* Add ci hdrc device */ +struct platform_device *ci_hdrc_add_device(struct device *dev, struct resource *res, int nres, - struct ci13xxx_platform_data *platdata); -/* Remove ci13xxx device */ -void ci13xxx_remove_device(struct platform_device *pdev); + struct ci_hdrc_platform_data *platdata); +/* Remove ci hdrc device */ +void ci_hdrc_remove_device(struct platform_device *pdev); #endif diff --git a/include/linux/usb/ehci_pdriver.h b/include/linux/usb/ehci_pdriver.h index 99238b096f7..7eb4dcd0d38 100644 --- a/include/linux/usb/ehci_pdriver.h +++ b/include/linux/usb/ehci_pdriver.h @@ -19,6 +19,9 @@ #ifndef __USB_CORE_EHCI_PDRIVER_H #define __USB_CORE_EHCI_PDRIVER_H +struct platform_device; +struct usb_hcd; + /** * struct usb_ehci_pdata - platform_data for generic ehci driver * @@ -50,6 +53,7 @@ struct usb_ehci_pdata { /* Turn on only VBUS suspend power and hotplug detection, * turn off everything else */ void (*power_suspend)(struct platform_device *pdev); + int (*pre_setup)(struct usb_hcd *hcd); }; #endif /* __USB_CORE_EHCI_PDRIVER_H */ diff --git a/include/linux/usb/hcd.h b/include/linux/usb/hcd.h index f5f5c7dfda9..1e88377e22f 100644 --- a/include/linux/usb/hcd.h +++ b/include/linux/usb/hcd.h @@ -218,6 +218,7 @@ struct hc_driver { #define HCD_SHARED 0x0004 /* Two (or more) usb_hcds share HW */ #define HCD_USB11 0x0010 /* USB 1.1 */ #define HCD_USB2 0x0020 /* USB 2.0 */ +#define HCD_USB25 0x0030 /* Wireless USB 1.0 (USB 2.5)*/ #define HCD_USB3 0x0040 /* USB 3.0 */ #define HCD_MASK 0x0070 diff --git a/include/linux/usb/of.h b/include/linux/usb/of.h new file mode 100644 index 00000000000..a0ef405368b --- /dev/null +++ b/include/linux/usb/of.h @@ -0,0 +1,32 @@ +/* + * OF helpers for usb devices. + * + * This file is released under the GPLv2 + */ + +#ifndef __LINUX_USB_OF_H +#define __LINUX_USB_OF_H + +#include <linux/usb/otg.h> +#include <linux/usb/phy.h> + +#if IS_ENABLED(CONFIG_OF) +enum usb_dr_mode of_usb_get_dr_mode(struct device_node *np); +#else +static inline enum usb_dr_mode of_usb_get_dr_mode(struct device_node *np) +{ + return USB_DR_MODE_UNKNOWN; +} +#endif + +#if IS_ENABLED(CONFIG_OF) && IS_ENABLED(CONFIG_USB_PHY) +enum usb_phy_interface of_usb_get_phy_mode(struct device_node *np); +#else +static inline enum usb_phy_interface of_usb_get_phy_mode(struct device_node *np) +{ + return USBPHY_INTERFACE_MODE_UNKNOWN; +} + +#endif + +#endif /* __LINUX_USB_OF_H */ diff --git a/include/linux/usb/otg.h b/include/linux/usb/otg.h index 291e01ba32e..154332b7c8c 100644 --- a/include/linux/usb/otg.h +++ b/include/linux/usb/otg.h @@ -92,4 +92,11 @@ otg_start_srp(struct usb_otg *otg) /* for OTG controller drivers (and maybe other stuff) */ extern int usb_bus_start_enum(struct usb_bus *bus, unsigned port_num); +enum usb_dr_mode { + USB_DR_MODE_UNKNOWN, + USB_DR_MODE_HOST, + USB_DR_MODE_PERIPHERAL, + USB_DR_MODE_OTG, +}; + #endif /* __LINUX_USB_OTG_H */ diff --git a/include/linux/usb/phy.h b/include/linux/usb/phy.h index 6b5978f5763..44036808bf0 100644 --- a/include/linux/usb/phy.h +++ b/include/linux/usb/phy.h @@ -12,6 +12,15 @@ #include <linux/notifier.h> #include <linux/usb.h> +enum usb_phy_interface { + USBPHY_INTERFACE_MODE_UNKNOWN, + USBPHY_INTERFACE_MODE_UTMI, + USBPHY_INTERFACE_MODE_UTMIW, + USBPHY_INTERFACE_MODE_ULPI, + USBPHY_INTERFACE_MODE_SERIAL, + USBPHY_INTERFACE_MODE_HSIC, +}; + enum usb_phy_events { USB_EVENT_NONE, /* no events or cable disconnected */ USB_EVENT_VBUS, /* vbus valid event */ diff --git a/include/linux/usb/serial.h b/include/linux/usb/serial.h index 302ddf55d2d..d528b804515 100644 --- a/include/linux/usb/serial.h +++ b/include/linux/usb/serial.h @@ -19,10 +19,6 @@ #include <linux/sysrq.h> #include <linux/kfifo.h> -#define SERIAL_TTY_MAJOR 188 /* Nice legal number now */ -#define SERIAL_TTY_MINORS 254 /* loads of devices :) */ -#define SERIAL_TTY_NO_MINOR 255 /* No minor was assigned */ - /* The maximum number of ports one device can grab at once */ #define MAX_NUM_PORTS 8 @@ -37,7 +33,8 @@ * @serial: pointer back to the struct usb_serial owner of this port. * @port: pointer to the corresponding tty_port for this port. * @lock: spinlock to grab when updating portions of this structure. - * @number: the number of the port (the minor number). + * @minor: the minor number of the port + * @port_number: the struct usb_serial port number of this port (starts at 0) * @interrupt_in_buffer: pointer to the interrupt in buffer for this port. * @interrupt_in_urb: pointer to the interrupt in struct urb for this port. * @interrupt_in_endpointAddress: endpoint address for the interrupt in pipe @@ -80,7 +77,8 @@ struct usb_serial_port { struct usb_serial *serial; struct tty_port port; spinlock_t lock; - unsigned char number; + u32 minor; + u8 port_number; unsigned char *interrupt_in_buffer; struct urb *interrupt_in_urb; @@ -140,7 +138,6 @@ static inline void usb_set_serial_port_data(struct usb_serial_port *port, * @dev: pointer to the struct usb_device for this device * @type: pointer to the struct usb_serial_driver for this device * @interface: pointer to the struct usb_interface for this device - * @minor: the starting minor number for this device * @num_ports: the number of ports this device has * @num_interrupt_in: number of interrupt in endpoints we have * @num_interrupt_out: number of interrupt out endpoints we have @@ -159,7 +156,7 @@ struct usb_serial { unsigned char disconnected:1; unsigned char suspending:1; unsigned char attached:1; - unsigned char minor; + unsigned char minors_reserved:1; unsigned char num_ports; unsigned char num_port_pointers; char num_interrupt_in; @@ -319,7 +316,7 @@ static inline void usb_serial_console_disconnect(struct usb_serial *serial) {} #endif /* Functions needed by other parts of the usbserial core */ -extern struct usb_serial *usb_serial_get_by_index(unsigned int minor); +extern struct usb_serial_port *usb_serial_port_get_by_minor(unsigned int minor); extern void usb_serial_put(struct usb_serial *serial); extern int usb_serial_generic_open(struct tty_struct *tty, struct usb_serial_port *port); diff --git a/include/linux/usb/tegra_usb_phy.h b/include/linux/usb/tegra_usb_phy.h index 1b7519a8c0b..d2ca919a5b7 100644 --- a/include/linux/usb/tegra_usb_phy.h +++ b/include/linux/usb/tegra_usb_phy.h @@ -42,6 +42,7 @@ enum tegra_usb_phy_port_speed { enum tegra_usb_phy_mode { TEGRA_USB_PHY_MODE_DEVICE, TEGRA_USB_PHY_MODE_HOST, + TEGRA_USB_PHY_MODE_OTG, }; struct tegra_xtal_freq; @@ -61,14 +62,10 @@ struct tegra_usb_phy { struct device *dev; bool is_legacy_phy; bool is_ulpi_phy; - void (*set_pts)(struct usb_phy *x, u8 pts_val); - void (*set_phcd)(struct usb_phy *x, bool enable); + int reset_gpio; }; -struct tegra_usb_phy *tegra_usb_phy_open(struct device *dev, int instance, - void __iomem *regs, void *config, enum tegra_usb_phy_mode phy_mode, - void (*set_pts)(struct usb_phy *x, u8 pts_val), - void (*set_phcd)(struct usb_phy *x, bool enable)); +struct usb_phy *tegra_usb_get_phy(struct device_node *dn); void tegra_usb_phy_preresume(struct usb_phy *phy); diff --git a/include/linux/usb/wusb-wa.h b/include/linux/usb/wusb-wa.h index f9dec37f617..6be985b2a43 100644 --- a/include/linux/usb/wusb-wa.h +++ b/include/linux/usb/wusb-wa.h @@ -92,11 +92,20 @@ struct usb_rpipe_descriptor { __le16 wRPipeIndex; __le16 wRequests; __le16 wBlocks; /* rw if 0 */ - __le16 wMaxPacketSize; /* rw? */ - u8 bHSHubAddress; /* reserved: 0 */ - u8 bHSHubPort; /* ??? FIXME ??? */ + __le16 wMaxPacketSize; /* rw */ + union { + u8 dwa_bHSHubAddress; /* rw: DWA. */ + u8 hwa_bMaxBurst; /* rw: HWA. */ + }; + union { + u8 dwa_bHSHubPort; /* rw: DWA. */ + u8 hwa_bDeviceInfoIndex; /* rw: HWA. */ + }; u8 bSpeed; /* rw: xfer rate 'enum uwb_phy_rate' */ - u8 bDeviceAddress; /* rw: Target device address */ + union { + u8 dwa_bDeviceAddress; /* rw: DWA Target device address. */ + u8 hwa_reserved; /* rw: HWA. */ + }; u8 bEndpointAddress; /* rw: Target EP address */ u8 bDataSequence; /* ro: Current Data sequence */ __le32 dwCurrentWindow; /* ro */ diff --git a/include/linux/vt_kern.h b/include/linux/vt_kern.h index 0d33fca4877..8d7634247fb 100644 --- a/include/linux/vt_kern.h +++ b/include/linux/vt_kern.h @@ -133,8 +133,6 @@ void change_console(struct vc_data *new_vc); void reset_vc(struct vc_data *vc); extern int do_unbind_con_driver(const struct consw *csw, int first, int last, int deflt); -extern int unbind_con_driver(const struct consw *csw, int first, int last, - int deflt); int vty_init(const struct file_operations *console_fops); static inline bool vt_force_oops_output(struct vc_data *vc) diff --git a/include/linux/vtime.h b/include/linux/vtime.h index 71a5782d8c5..b1dd2db8007 100644 --- a/include/linux/vtime.h +++ b/include/linux/vtime.h @@ -34,7 +34,7 @@ static inline void vtime_user_exit(struct task_struct *tsk) } extern void vtime_guest_enter(struct task_struct *tsk); extern void vtime_guest_exit(struct task_struct *tsk); -extern void vtime_init_idle(struct task_struct *tsk); +extern void vtime_init_idle(struct task_struct *tsk, int cpu); #else static inline void vtime_account_irq_exit(struct task_struct *tsk) { @@ -45,7 +45,7 @@ static inline void vtime_user_enter(struct task_struct *tsk) { } static inline void vtime_user_exit(struct task_struct *tsk) { } static inline void vtime_guest_enter(struct task_struct *tsk) { } static inline void vtime_guest_exit(struct task_struct *tsk) { } -static inline void vtime_init_idle(struct task_struct *tsk) { } +static inline void vtime_init_idle(struct task_struct *tsk, int cpu) { } #endif #ifdef CONFIG_IRQ_TIME_ACCOUNTING diff --git a/include/linux/wait.h b/include/linux/wait.h index 1133695eb06..f487a4750b7 100644 --- a/include/linux/wait.h +++ b/include/linux/wait.h @@ -23,6 +23,7 @@ struct __wait_queue { struct wait_bit_key { void *flags; int bit_nr; +#define WAIT_ATOMIC_T_BIT_NR -1 }; struct wait_bit_queue { @@ -60,6 +61,9 @@ struct task_struct; #define __WAIT_BIT_KEY_INITIALIZER(word, bit) \ { .flags = word, .bit_nr = bit, } +#define __WAIT_ATOMIC_T_KEY_INITIALIZER(p) \ + { .flags = p, .bit_nr = WAIT_ATOMIC_T_BIT_NR, } + extern void __init_waitqueue_head(wait_queue_head_t *q, const char *name, struct lock_class_key *); #define init_waitqueue_head(q) \ @@ -146,8 +150,10 @@ void __wake_up_bit(wait_queue_head_t *, void *, int); int __wait_on_bit(wait_queue_head_t *, struct wait_bit_queue *, int (*)(void *), unsigned); int __wait_on_bit_lock(wait_queue_head_t *, struct wait_bit_queue *, int (*)(void *), unsigned); void wake_up_bit(void *, int); +void wake_up_atomic_t(atomic_t *); int out_of_line_wait_on_bit(void *, int, int (*)(void *), unsigned); int out_of_line_wait_on_bit_lock(void *, int, int (*)(void *), unsigned); +int out_of_line_wait_on_atomic_t(atomic_t *, int (*)(atomic_t *), unsigned); wait_queue_head_t *bit_waitqueue(void *, int); #define wake_up(x) __wake_up(x, TASK_NORMAL, 1, NULL) @@ -902,5 +908,23 @@ static inline int wait_on_bit_lock(void *word, int bit, return 0; return out_of_line_wait_on_bit_lock(word, bit, action, mode); } + +/** + * wait_on_atomic_t - Wait for an atomic_t to become 0 + * @val: The atomic value being waited on, a kernel virtual address + * @action: the function used to sleep, which may take special actions + * @mode: the task state to sleep in + * + * Wait for an atomic_t to become 0. We abuse the bit-wait waitqueue table for + * the purpose of getting a waitqueue, but we set the key to a bit number + * outside of the target 'word'. + */ +static inline +int wait_on_atomic_t(atomic_t *val, int (*action)(atomic_t *), unsigned mode) +{ + if (atomic_read(val) == 0) + return 0; + return out_of_line_wait_on_atomic_t(val, action, mode); +} #endif diff --git a/include/linux/workqueue.h b/include/linux/workqueue.h index 623488fdc1f..a9f4119c7e2 100644 --- a/include/linux/workqueue.h +++ b/include/linux/workqueue.h @@ -303,6 +303,33 @@ enum { WQ_CPU_INTENSIVE = 1 << 5, /* cpu instensive workqueue */ WQ_SYSFS = 1 << 6, /* visible in sysfs, see wq_sysfs_register() */ + /* + * Per-cpu workqueues are generally preferred because they tend to + * show better performance thanks to cache locality. Per-cpu + * workqueues exclude the scheduler from choosing the CPU to + * execute the worker threads, which has an unfortunate side effect + * of increasing power consumption. + * + * The scheduler considers a CPU idle if it doesn't have any task + * to execute and tries to keep idle cores idle to conserve power; + * however, for example, a per-cpu work item scheduled from an + * interrupt handler on an idle CPU will force the scheduler to + * excute the work item on that CPU breaking the idleness, which in + * turn may lead to more scheduling choices which are sub-optimal + * in terms of power consumption. + * + * Workqueues marked with WQ_POWER_EFFICIENT are per-cpu by default + * but become unbound if workqueue.power_efficient kernel param is + * specified. Per-cpu workqueues which are identified to + * contribute significantly to power-consumption are identified and + * marked with this flag and enabling the power_efficient mode + * leads to noticeable power saving at the cost of small + * performance disadvantage. + * + * http://thread.gmane.org/gmane.linux.kernel/1480396 + */ + WQ_POWER_EFFICIENT = 1 << 7, + __WQ_DRAINING = 1 << 16, /* internal: workqueue is draining */ __WQ_ORDERED = 1 << 17, /* internal: workqueue is ordered */ @@ -333,11 +360,19 @@ enum { * * system_freezable_wq is equivalent to system_wq except that it's * freezable. + * + * *_power_efficient_wq are inclined towards saving power and converted + * into WQ_UNBOUND variants if 'wq_power_efficient' is enabled; otherwise, + * they are same as their non-power-efficient counterparts - e.g. + * system_power_efficient_wq is identical to system_wq if + * 'wq_power_efficient' is disabled. See WQ_POWER_EFFICIENT for more info. */ extern struct workqueue_struct *system_wq; extern struct workqueue_struct *system_long_wq; extern struct workqueue_struct *system_unbound_wq; extern struct workqueue_struct *system_freezable_wq; +extern struct workqueue_struct *system_power_efficient_wq; +extern struct workqueue_struct *system_freezable_power_efficient_wq; static inline struct workqueue_struct * __deprecated __system_nrt_wq(void) { diff --git a/include/linux/writeback.h b/include/linux/writeback.h index 579a5007c69..abfe11787af 100644 --- a/include/linux/writeback.h +++ b/include/linux/writeback.h @@ -78,6 +78,7 @@ struct writeback_control { unsigned tagged_writepages:1; /* tag-and-write to avoid livelock */ unsigned for_reclaim:1; /* Invoked from the page allocator */ unsigned range_cyclic:1; /* range_start is cyclic */ + unsigned for_sync:1; /* sync(2) WB_SYNC_ALL writeback */ }; /* diff --git a/include/media/v4l2-mem2mem.h b/include/media/v4l2-mem2mem.h index d3eef01da64..0f4555b2a31 100644 --- a/include/media/v4l2-mem2mem.h +++ b/include/media/v4l2-mem2mem.h @@ -110,6 +110,8 @@ int v4l2_m2m_qbuf(struct file *file, struct v4l2_m2m_ctx *m2m_ctx, struct v4l2_buffer *buf); int v4l2_m2m_dqbuf(struct file *file, struct v4l2_m2m_ctx *m2m_ctx, struct v4l2_buffer *buf); +int v4l2_m2m_create_bufs(struct file *file, struct v4l2_m2m_ctx *m2m_ctx, + struct v4l2_create_buffers *create); int v4l2_m2m_expbuf(struct file *file, struct v4l2_m2m_ctx *m2m_ctx, struct v4l2_exportbuffer *eb); diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h index 35a57cd1704..7cb6d360d14 100644 --- a/include/net/bluetooth/hci_core.h +++ b/include/net/bluetooth/hci_core.h @@ -1117,6 +1117,7 @@ void hci_sock_dev_event(struct hci_dev *hdev, int event); int mgmt_control(struct sock *sk, struct msghdr *msg, size_t len); int mgmt_index_added(struct hci_dev *hdev); int mgmt_index_removed(struct hci_dev *hdev); +int mgmt_set_powered_failed(struct hci_dev *hdev, int err); int mgmt_powered(struct hci_dev *hdev, u8 powered); int mgmt_discoverable(struct hci_dev *hdev, u8 discoverable); int mgmt_connectable(struct hci_dev *hdev, u8 connectable); diff --git a/include/net/bluetooth/mgmt.h b/include/net/bluetooth/mgmt.h index 22980a7c387..9944c3e68c5 100644 --- a/include/net/bluetooth/mgmt.h +++ b/include/net/bluetooth/mgmt.h @@ -42,6 +42,7 @@ #define MGMT_STATUS_NOT_POWERED 0x0f #define MGMT_STATUS_CANCELLED 0x10 #define MGMT_STATUS_INVALID_INDEX 0x11 +#define MGMT_STATUS_RFKILLED 0x12 struct mgmt_hdr { __le16 opcode; diff --git a/include/net/ip_tunnels.h b/include/net/ip_tunnels.h index 4b6f0b28f41..09b1360e10b 100644 --- a/include/net/ip_tunnels.h +++ b/include/net/ip_tunnels.h @@ -95,10 +95,10 @@ struct ip_tunnel_net { int ip_tunnel_init(struct net_device *dev); void ip_tunnel_uninit(struct net_device *dev); void ip_tunnel_dellink(struct net_device *dev, struct list_head *head); -int __net_init ip_tunnel_init_net(struct net *net, int ip_tnl_net_id, - struct rtnl_link_ops *ops, char *devname); +int ip_tunnel_init_net(struct net *net, int ip_tnl_net_id, + struct rtnl_link_ops *ops, char *devname); -void __net_exit ip_tunnel_delete_net(struct ip_tunnel_net *itn); +void ip_tunnel_delete_net(struct ip_tunnel_net *itn); void ip_tunnel_xmit(struct sk_buff *skb, struct net_device *dev, const struct iphdr *tnl_params); diff --git a/include/sound/soc-dapm.h b/include/sound/soc-dapm.h index d4609029f01..385c6329a96 100644 --- a/include/sound/soc-dapm.h +++ b/include/sound/soc-dapm.h @@ -450,7 +450,8 @@ enum snd_soc_dapm_type { snd_soc_dapm_aif_in, /* audio interface input */ snd_soc_dapm_aif_out, /* audio interface output */ snd_soc_dapm_siggen, /* signal generator */ - snd_soc_dapm_dai, /* link to DAI structure */ + snd_soc_dapm_dai_in, /* link to DAI structure */ + snd_soc_dapm_dai_out, snd_soc_dapm_dai_link, /* link between two DAI structures */ }; diff --git a/include/trace/define_trace.h b/include/trace/define_trace.h index 1905ca8dd39..02e1003568a 100644 --- a/include/trace/define_trace.h +++ b/include/trace/define_trace.h @@ -44,6 +44,10 @@ #define DEFINE_EVENT(template, name, proto, args) \ DEFINE_TRACE(name) +#undef DEFINE_EVENT_FN +#define DEFINE_EVENT_FN(template, name, proto, args, reg, unreg) \ + DEFINE_TRACE_FN(name, reg, unreg) + #undef DEFINE_EVENT_PRINT #define DEFINE_EVENT_PRINT(template, name, proto, args, print) \ DEFINE_TRACE(name) @@ -91,6 +95,7 @@ #undef TRACE_EVENT_CONDITION #undef DECLARE_EVENT_CLASS #undef DEFINE_EVENT +#undef DEFINE_EVENT_FN #undef DEFINE_EVENT_PRINT #undef DEFINE_EVENT_CONDITION #undef TRACE_HEADER_MULTI_READ diff --git a/include/trace/events/ext3.h b/include/trace/events/ext3.h index 15d11a39be4..6797b9de90e 100644 --- a/include/trace/events/ext3.h +++ b/include/trace/events/ext3.h @@ -290,13 +290,14 @@ DEFINE_EVENT(ext3__page_op, ext3_releasepage, ); TRACE_EVENT(ext3_invalidatepage, - TP_PROTO(struct page *page, unsigned long offset), + TP_PROTO(struct page *page, unsigned int offset, unsigned int length), - TP_ARGS(page, offset), + TP_ARGS(page, offset, length), TP_STRUCT__entry( __field( pgoff_t, index ) - __field( unsigned long, offset ) + __field( unsigned int, offset ) + __field( unsigned int, length ) __field( ino_t, ino ) __field( dev_t, dev ) @@ -305,14 +306,15 @@ TRACE_EVENT(ext3_invalidatepage, TP_fast_assign( __entry->index = page->index; __entry->offset = offset; + __entry->length = length; __entry->ino = page->mapping->host->i_ino; __entry->dev = page->mapping->host->i_sb->s_dev; ), - TP_printk("dev %d,%d ino %lu page_index %lu offset %lu", + TP_printk("dev %d,%d ino %lu page_index %lu offset %u length %u", MAJOR(__entry->dev), MINOR(__entry->dev), (unsigned long) __entry->ino, - __entry->index, __entry->offset) + __entry->index, __entry->offset, __entry->length) ); TRACE_EVENT(ext3_discard_blocks, diff --git a/include/trace/events/ext4.h b/include/trace/events/ext4.h index 8ee15b97cd3..2068db241f2 100644 --- a/include/trace/events/ext4.h +++ b/include/trace/events/ext4.h @@ -19,6 +19,57 @@ struct extent_status; #define EXT4_I(inode) (container_of(inode, struct ext4_inode_info, vfs_inode)) +#define show_mballoc_flags(flags) __print_flags(flags, "|", \ + { EXT4_MB_HINT_MERGE, "HINT_MERGE" }, \ + { EXT4_MB_HINT_RESERVED, "HINT_RESV" }, \ + { EXT4_MB_HINT_METADATA, "HINT_MDATA" }, \ + { EXT4_MB_HINT_FIRST, "HINT_FIRST" }, \ + { EXT4_MB_HINT_BEST, "HINT_BEST" }, \ + { EXT4_MB_HINT_DATA, "HINT_DATA" }, \ + { EXT4_MB_HINT_NOPREALLOC, "HINT_NOPREALLOC" }, \ + { EXT4_MB_HINT_GROUP_ALLOC, "HINT_GRP_ALLOC" }, \ + { EXT4_MB_HINT_GOAL_ONLY, "HINT_GOAL_ONLY" }, \ + { EXT4_MB_HINT_TRY_GOAL, "HINT_TRY_GOAL" }, \ + { EXT4_MB_DELALLOC_RESERVED, "DELALLOC_RESV" }, \ + { EXT4_MB_STREAM_ALLOC, "STREAM_ALLOC" }, \ + { EXT4_MB_USE_ROOT_BLOCKS, "USE_ROOT_BLKS" }, \ + { EXT4_MB_USE_RESERVED, "USE_RESV" }) + +#define show_map_flags(flags) __print_flags(flags, "|", \ + { EXT4_GET_BLOCKS_CREATE, "CREATE" }, \ + { EXT4_GET_BLOCKS_UNINIT_EXT, "UNINIT" }, \ + { EXT4_GET_BLOCKS_DELALLOC_RESERVE, "DELALLOC" }, \ + { EXT4_GET_BLOCKS_PRE_IO, "PRE_IO" }, \ + { EXT4_GET_BLOCKS_CONVERT, "CONVERT" }, \ + { EXT4_GET_BLOCKS_METADATA_NOFAIL, "METADATA_NOFAIL" }, \ + { EXT4_GET_BLOCKS_NO_NORMALIZE, "NO_NORMALIZE" }, \ + { EXT4_GET_BLOCKS_KEEP_SIZE, "KEEP_SIZE" }, \ + { EXT4_GET_BLOCKS_NO_LOCK, "NO_LOCK" }, \ + { EXT4_GET_BLOCKS_NO_PUT_HOLE, "NO_PUT_HOLE" }) + +#define show_mflags(flags) __print_flags(flags, "", \ + { EXT4_MAP_NEW, "N" }, \ + { EXT4_MAP_MAPPED, "M" }, \ + { EXT4_MAP_UNWRITTEN, "U" }, \ + { EXT4_MAP_BOUNDARY, "B" }, \ + { EXT4_MAP_UNINIT, "u" }, \ + { EXT4_MAP_FROM_CLUSTER, "C" }) + +#define show_free_flags(flags) __print_flags(flags, "|", \ + { EXT4_FREE_BLOCKS_METADATA, "METADATA" }, \ + { EXT4_FREE_BLOCKS_FORGET, "FORGET" }, \ + { EXT4_FREE_BLOCKS_VALIDATED, "VALIDATED" }, \ + { EXT4_FREE_BLOCKS_NO_QUOT_UPDATE, "NO_QUOTA" }, \ + { EXT4_FREE_BLOCKS_NOFREE_FIRST_CLUSTER,"1ST_CLUSTER" },\ + { EXT4_FREE_BLOCKS_NOFREE_LAST_CLUSTER, "LAST_CLUSTER" }) + +#define show_extent_status(status) __print_flags(status, "", \ + { (1 << 3), "W" }, \ + { (1 << 2), "U" }, \ + { (1 << 1), "D" }, \ + { (1 << 0), "H" }) + + TRACE_EVENT(ext4_free_inode, TP_PROTO(struct inode *inode), @@ -281,7 +332,7 @@ DEFINE_EVENT(ext4__write_end, ext4_da_write_end, TP_ARGS(inode, pos, len, copied) ); -TRACE_EVENT(ext4_da_writepages, +TRACE_EVENT(ext4_writepages, TP_PROTO(struct inode *inode, struct writeback_control *wbc), TP_ARGS(inode, wbc), @@ -324,46 +375,62 @@ TRACE_EVENT(ext4_da_writepages, ); TRACE_EVENT(ext4_da_write_pages, - TP_PROTO(struct inode *inode, struct mpage_da_data *mpd), + TP_PROTO(struct inode *inode, pgoff_t first_page, + struct writeback_control *wbc), - TP_ARGS(inode, mpd), + TP_ARGS(inode, first_page, wbc), TP_STRUCT__entry( __field( dev_t, dev ) __field( ino_t, ino ) - __field( __u64, b_blocknr ) - __field( __u32, b_size ) - __field( __u32, b_state ) - __field( unsigned long, first_page ) - __field( int, io_done ) - __field( int, pages_written ) - __field( int, sync_mode ) + __field( pgoff_t, first_page ) + __field( long, nr_to_write ) + __field( int, sync_mode ) ), TP_fast_assign( __entry->dev = inode->i_sb->s_dev; __entry->ino = inode->i_ino; - __entry->b_blocknr = mpd->b_blocknr; - __entry->b_size = mpd->b_size; - __entry->b_state = mpd->b_state; - __entry->first_page = mpd->first_page; - __entry->io_done = mpd->io_done; - __entry->pages_written = mpd->pages_written; - __entry->sync_mode = mpd->wbc->sync_mode; + __entry->first_page = first_page; + __entry->nr_to_write = wbc->nr_to_write; + __entry->sync_mode = wbc->sync_mode; ), - TP_printk("dev %d,%d ino %lu b_blocknr %llu b_size %u b_state 0x%04x " - "first_page %lu io_done %d pages_written %d sync_mode %d", + TP_printk("dev %d,%d ino %lu first_page %lu nr_to_write %ld " + "sync_mode %d", MAJOR(__entry->dev), MINOR(__entry->dev), - (unsigned long) __entry->ino, - __entry->b_blocknr, __entry->b_size, - __entry->b_state, __entry->first_page, - __entry->io_done, __entry->pages_written, - __entry->sync_mode - ) + (unsigned long) __entry->ino, __entry->first_page, + __entry->nr_to_write, __entry->sync_mode) ); -TRACE_EVENT(ext4_da_writepages_result, +TRACE_EVENT(ext4_da_write_pages_extent, + TP_PROTO(struct inode *inode, struct ext4_map_blocks *map), + + TP_ARGS(inode, map), + + TP_STRUCT__entry( + __field( dev_t, dev ) + __field( ino_t, ino ) + __field( __u64, lblk ) + __field( __u32, len ) + __field( __u32, flags ) + ), + + TP_fast_assign( + __entry->dev = inode->i_sb->s_dev; + __entry->ino = inode->i_ino; + __entry->lblk = map->m_lblk; + __entry->len = map->m_len; + __entry->flags = map->m_flags; + ), + + TP_printk("dev %d,%d ino %lu lblk %llu len %u flags %s", + MAJOR(__entry->dev), MINOR(__entry->dev), + (unsigned long) __entry->ino, __entry->lblk, __entry->len, + show_mflags(__entry->flags)) +); + +TRACE_EVENT(ext4_writepages_result, TP_PROTO(struct inode *inode, struct writeback_control *wbc, int ret, int pages_written), @@ -444,16 +511,16 @@ DEFINE_EVENT(ext4__page_op, ext4_releasepage, ); DECLARE_EVENT_CLASS(ext4_invalidatepage_op, - TP_PROTO(struct page *page, unsigned long offset), + TP_PROTO(struct page *page, unsigned int offset, unsigned int length), - TP_ARGS(page, offset), + TP_ARGS(page, offset, length), TP_STRUCT__entry( __field( dev_t, dev ) __field( ino_t, ino ) __field( pgoff_t, index ) - __field( unsigned long, offset ) - + __field( unsigned int, offset ) + __field( unsigned int, length ) ), TP_fast_assign( @@ -461,24 +528,26 @@ DECLARE_EVENT_CLASS(ext4_invalidatepage_op, __entry->ino = page->mapping->host->i_ino; __entry->index = page->index; __entry->offset = offset; + __entry->length = length; ), - TP_printk("dev %d,%d ino %lu page_index %lu offset %lu", + TP_printk("dev %d,%d ino %lu page_index %lu offset %u length %u", MAJOR(__entry->dev), MINOR(__entry->dev), (unsigned long) __entry->ino, - (unsigned long) __entry->index, __entry->offset) + (unsigned long) __entry->index, + __entry->offset, __entry->length) ); DEFINE_EVENT(ext4_invalidatepage_op, ext4_invalidatepage, - TP_PROTO(struct page *page, unsigned long offset), + TP_PROTO(struct page *page, unsigned int offset, unsigned int length), - TP_ARGS(page, offset) + TP_ARGS(page, offset, length) ); DEFINE_EVENT(ext4_invalidatepage_op, ext4_journalled_invalidatepage, - TP_PROTO(struct page *page, unsigned long offset), + TP_PROTO(struct page *page, unsigned int offset, unsigned int length), - TP_ARGS(page, offset) + TP_ARGS(page, offset, length) ); TRACE_EVENT(ext4_discard_blocks, @@ -673,10 +742,10 @@ TRACE_EVENT(ext4_request_blocks, __entry->flags = ar->flags; ), - TP_printk("dev %d,%d ino %lu flags %u len %u lblk %u goal %llu " + TP_printk("dev %d,%d ino %lu flags %s len %u lblk %u goal %llu " "lleft %u lright %u pleft %llu pright %llu ", MAJOR(__entry->dev), MINOR(__entry->dev), - (unsigned long) __entry->ino, __entry->flags, + (unsigned long) __entry->ino, show_mballoc_flags(__entry->flags), __entry->len, __entry->logical, __entry->goal, __entry->lleft, __entry->lright, __entry->pleft, __entry->pright) @@ -715,10 +784,10 @@ TRACE_EVENT(ext4_allocate_blocks, __entry->flags = ar->flags; ), - TP_printk("dev %d,%d ino %lu flags %u len %u block %llu lblk %u " + TP_printk("dev %d,%d ino %lu flags %s len %u block %llu lblk %u " "goal %llu lleft %u lright %u pleft %llu pright %llu", MAJOR(__entry->dev), MINOR(__entry->dev), - (unsigned long) __entry->ino, __entry->flags, + (unsigned long) __entry->ino, show_mballoc_flags(__entry->flags), __entry->len, __entry->block, __entry->logical, __entry->goal, __entry->lleft, __entry->lright, __entry->pleft, __entry->pright) @@ -748,11 +817,11 @@ TRACE_EVENT(ext4_free_blocks, __entry->mode = inode->i_mode; ), - TP_printk("dev %d,%d ino %lu mode 0%o block %llu count %lu flags %d", + TP_printk("dev %d,%d ino %lu mode 0%o block %llu count %lu flags %s", MAJOR(__entry->dev), MINOR(__entry->dev), (unsigned long) __entry->ino, __entry->mode, __entry->block, __entry->count, - __entry->flags) + show_free_flags(__entry->flags)) ); TRACE_EVENT(ext4_sync_file_enter, @@ -903,7 +972,7 @@ TRACE_EVENT(ext4_mballoc_alloc, ), TP_printk("dev %d,%d inode %lu orig %u/%d/%u@%u goal %u/%d/%u@%u " - "result %u/%d/%u@%u blks %u grps %u cr %u flags 0x%04x " + "result %u/%d/%u@%u blks %u grps %u cr %u flags %s " "tail %u broken %u", MAJOR(__entry->dev), MINOR(__entry->dev), (unsigned long) __entry->ino, @@ -914,7 +983,7 @@ TRACE_EVENT(ext4_mballoc_alloc, __entry->result_group, __entry->result_start, __entry->result_len, __entry->result_logical, __entry->found, __entry->groups, __entry->cr, - __entry->flags, __entry->tail, + show_mballoc_flags(__entry->flags), __entry->tail, __entry->buddy ? 1 << __entry->buddy : 0) ); @@ -1528,10 +1597,10 @@ DECLARE_EVENT_CLASS(ext4__map_blocks_enter, __entry->flags = flags; ), - TP_printk("dev %d,%d ino %lu lblk %u len %u flags %u", + TP_printk("dev %d,%d ino %lu lblk %u len %u flags %s", MAJOR(__entry->dev), MINOR(__entry->dev), (unsigned long) __entry->ino, - __entry->lblk, __entry->len, __entry->flags) + __entry->lblk, __entry->len, show_map_flags(__entry->flags)) ); DEFINE_EVENT(ext4__map_blocks_enter, ext4_ext_map_blocks_enter, @@ -1549,47 +1618,53 @@ DEFINE_EVENT(ext4__map_blocks_enter, ext4_ind_map_blocks_enter, ); DECLARE_EVENT_CLASS(ext4__map_blocks_exit, - TP_PROTO(struct inode *inode, struct ext4_map_blocks *map, int ret), + TP_PROTO(struct inode *inode, unsigned flags, struct ext4_map_blocks *map, + int ret), - TP_ARGS(inode, map, ret), + TP_ARGS(inode, flags, map, ret), TP_STRUCT__entry( __field( dev_t, dev ) __field( ino_t, ino ) + __field( unsigned int, flags ) __field( ext4_fsblk_t, pblk ) __field( ext4_lblk_t, lblk ) __field( unsigned int, len ) - __field( unsigned int, flags ) + __field( unsigned int, mflags ) __field( int, ret ) ), TP_fast_assign( __entry->dev = inode->i_sb->s_dev; __entry->ino = inode->i_ino; + __entry->flags = flags; __entry->pblk = map->m_pblk; __entry->lblk = map->m_lblk; __entry->len = map->m_len; - __entry->flags = map->m_flags; + __entry->mflags = map->m_flags; __entry->ret = ret; ), - TP_printk("dev %d,%d ino %lu lblk %u pblk %llu len %u flags %x ret %d", + TP_printk("dev %d,%d ino %lu flags %s lblk %u pblk %llu len %u " + "mflags %s ret %d", MAJOR(__entry->dev), MINOR(__entry->dev), (unsigned long) __entry->ino, - __entry->lblk, __entry->pblk, - __entry->len, __entry->flags, __entry->ret) + show_map_flags(__entry->flags), __entry->lblk, __entry->pblk, + __entry->len, show_mflags(__entry->mflags), __entry->ret) ); DEFINE_EVENT(ext4__map_blocks_exit, ext4_ext_map_blocks_exit, - TP_PROTO(struct inode *inode, struct ext4_map_blocks *map, int ret), + TP_PROTO(struct inode *inode, unsigned flags, + struct ext4_map_blocks *map, int ret), - TP_ARGS(inode, map, ret) + TP_ARGS(inode, flags, map, ret) ); DEFINE_EVENT(ext4__map_blocks_exit, ext4_ind_map_blocks_exit, - TP_PROTO(struct inode *inode, struct ext4_map_blocks *map, int ret), + TP_PROTO(struct inode *inode, unsigned flags, + struct ext4_map_blocks *map, int ret), - TP_ARGS(inode, map, ret) + TP_ARGS(inode, flags, map, ret) ); TRACE_EVENT(ext4_ext_load_extent, @@ -1638,25 +1713,50 @@ TRACE_EVENT(ext4_load_inode, ); TRACE_EVENT(ext4_journal_start, - TP_PROTO(struct super_block *sb, int nblocks, unsigned long IP), + TP_PROTO(struct super_block *sb, int blocks, int rsv_blocks, + unsigned long IP), - TP_ARGS(sb, nblocks, IP), + TP_ARGS(sb, blocks, rsv_blocks, IP), TP_STRUCT__entry( __field( dev_t, dev ) __field(unsigned long, ip ) - __field( int, nblocks ) + __field( int, blocks ) + __field( int, rsv_blocks ) ), TP_fast_assign( - __entry->dev = sb->s_dev; - __entry->ip = IP; - __entry->nblocks = nblocks; + __entry->dev = sb->s_dev; + __entry->ip = IP; + __entry->blocks = blocks; + __entry->rsv_blocks = rsv_blocks; ), - TP_printk("dev %d,%d nblocks %d caller %pF", + TP_printk("dev %d,%d blocks, %d rsv_blocks, %d caller %pF", MAJOR(__entry->dev), MINOR(__entry->dev), - __entry->nblocks, (void *)__entry->ip) + __entry->blocks, __entry->rsv_blocks, (void *)__entry->ip) +); + +TRACE_EVENT(ext4_journal_start_reserved, + TP_PROTO(struct super_block *sb, int blocks, unsigned long IP), + + TP_ARGS(sb, blocks, IP), + + TP_STRUCT__entry( + __field( dev_t, dev ) + __field(unsigned long, ip ) + __field( int, blocks ) + ), + + TP_fast_assign( + __entry->dev = sb->s_dev; + __entry->ip = IP; + __entry->blocks = blocks; + ), + + TP_printk("dev %d,%d blocks, %d caller %pF", + MAJOR(__entry->dev), MINOR(__entry->dev), + __entry->blocks, (void *)__entry->ip) ); DECLARE_EVENT_CLASS(ext4__trim, @@ -1736,12 +1836,12 @@ TRACE_EVENT(ext4_ext_handle_uninitialized_extents, __entry->newblk = newblock; ), - TP_printk("dev %d,%d ino %lu m_lblk %u m_pblk %llu m_len %u flags %x " + TP_printk("dev %d,%d ino %lu m_lblk %u m_pblk %llu m_len %u flags %s " "allocated %d newblock %llu", MAJOR(__entry->dev), MINOR(__entry->dev), (unsigned long) __entry->ino, (unsigned) __entry->lblk, (unsigned long long) __entry->pblk, - __entry->len, __entry->flags, + __entry->len, show_map_flags(__entry->flags), (unsigned int) __entry->allocated, (unsigned long long) __entry->newblk) ); @@ -1769,10 +1869,10 @@ TRACE_EVENT(ext4_get_implied_cluster_alloc_exit, __entry->ret = ret; ), - TP_printk("dev %d,%d m_lblk %u m_pblk %llu m_len %u m_flags %u ret %d", + TP_printk("dev %d,%d m_lblk %u m_pblk %llu m_len %u m_flags %s ret %d", MAJOR(__entry->dev), MINOR(__entry->dev), __entry->lblk, (unsigned long long) __entry->pblk, - __entry->len, __entry->flags, __entry->ret) + __entry->len, show_mflags(__entry->flags), __entry->ret) ); TRACE_EVENT(ext4_ext_put_in_cache, @@ -1926,7 +2026,7 @@ TRACE_EVENT(ext4_ext_show_extent, TRACE_EVENT(ext4_remove_blocks, TP_PROTO(struct inode *inode, struct ext4_extent *ex, ext4_lblk_t from, ext4_fsblk_t to, - ext4_fsblk_t partial_cluster), + long long partial_cluster), TP_ARGS(inode, ex, from, to, partial_cluster), @@ -1935,7 +2035,7 @@ TRACE_EVENT(ext4_remove_blocks, __field( ino_t, ino ) __field( ext4_lblk_t, from ) __field( ext4_lblk_t, to ) - __field( ext4_fsblk_t, partial ) + __field( long long, partial ) __field( ext4_fsblk_t, ee_pblk ) __field( ext4_lblk_t, ee_lblk ) __field( unsigned short, ee_len ) @@ -1953,7 +2053,7 @@ TRACE_EVENT(ext4_remove_blocks, ), TP_printk("dev %d,%d ino %lu extent [%u(%llu), %u]" - "from %u to %u partial_cluster %u", + "from %u to %u partial_cluster %lld", MAJOR(__entry->dev), MINOR(__entry->dev), (unsigned long) __entry->ino, (unsigned) __entry->ee_lblk, @@ -1961,19 +2061,20 @@ TRACE_EVENT(ext4_remove_blocks, (unsigned short) __entry->ee_len, (unsigned) __entry->from, (unsigned) __entry->to, - (unsigned) __entry->partial) + (long long) __entry->partial) ); TRACE_EVENT(ext4_ext_rm_leaf, TP_PROTO(struct inode *inode, ext4_lblk_t start, - struct ext4_extent *ex, ext4_fsblk_t partial_cluster), + struct ext4_extent *ex, + long long partial_cluster), TP_ARGS(inode, start, ex, partial_cluster), TP_STRUCT__entry( __field( dev_t, dev ) __field( ino_t, ino ) - __field( ext4_fsblk_t, partial ) + __field( long long, partial ) __field( ext4_lblk_t, start ) __field( ext4_lblk_t, ee_lblk ) __field( ext4_fsblk_t, ee_pblk ) @@ -1991,14 +2092,14 @@ TRACE_EVENT(ext4_ext_rm_leaf, ), TP_printk("dev %d,%d ino %lu start_lblk %u last_extent [%u(%llu), %u]" - "partial_cluster %u", + "partial_cluster %lld", MAJOR(__entry->dev), MINOR(__entry->dev), (unsigned long) __entry->ino, (unsigned) __entry->start, (unsigned) __entry->ee_lblk, (unsigned long long) __entry->ee_pblk, (unsigned short) __entry->ee_len, - (unsigned) __entry->partial) + (long long) __entry->partial) ); TRACE_EVENT(ext4_ext_rm_idx, @@ -2025,14 +2126,16 @@ TRACE_EVENT(ext4_ext_rm_idx, ); TRACE_EVENT(ext4_ext_remove_space, - TP_PROTO(struct inode *inode, ext4_lblk_t start, int depth), + TP_PROTO(struct inode *inode, ext4_lblk_t start, + ext4_lblk_t end, int depth), - TP_ARGS(inode, start, depth), + TP_ARGS(inode, start, end, depth), TP_STRUCT__entry( __field( dev_t, dev ) __field( ino_t, ino ) __field( ext4_lblk_t, start ) + __field( ext4_lblk_t, end ) __field( int, depth ) ), @@ -2040,28 +2143,31 @@ TRACE_EVENT(ext4_ext_remove_space, __entry->dev = inode->i_sb->s_dev; __entry->ino = inode->i_ino; __entry->start = start; + __entry->end = end; __entry->depth = depth; ), - TP_printk("dev %d,%d ino %lu since %u depth %d", + TP_printk("dev %d,%d ino %lu since %u end %u depth %d", MAJOR(__entry->dev), MINOR(__entry->dev), (unsigned long) __entry->ino, (unsigned) __entry->start, + (unsigned) __entry->end, __entry->depth) ); TRACE_EVENT(ext4_ext_remove_space_done, - TP_PROTO(struct inode *inode, ext4_lblk_t start, int depth, - ext4_lblk_t partial, __le16 eh_entries), + TP_PROTO(struct inode *inode, ext4_lblk_t start, ext4_lblk_t end, + int depth, long long partial, __le16 eh_entries), - TP_ARGS(inode, start, depth, partial, eh_entries), + TP_ARGS(inode, start, end, depth, partial, eh_entries), TP_STRUCT__entry( __field( dev_t, dev ) __field( ino_t, ino ) __field( ext4_lblk_t, start ) + __field( ext4_lblk_t, end ) __field( int, depth ) - __field( ext4_lblk_t, partial ) + __field( long long, partial ) __field( unsigned short, eh_entries ) ), @@ -2069,18 +2175,20 @@ TRACE_EVENT(ext4_ext_remove_space_done, __entry->dev = inode->i_sb->s_dev; __entry->ino = inode->i_ino; __entry->start = start; + __entry->end = end; __entry->depth = depth; __entry->partial = partial; __entry->eh_entries = le16_to_cpu(eh_entries); ), - TP_printk("dev %d,%d ino %lu since %u depth %d partial %u " + TP_printk("dev %d,%d ino %lu since %u end %u depth %d partial %lld " "remaining_entries %u", MAJOR(__entry->dev), MINOR(__entry->dev), (unsigned long) __entry->ino, (unsigned) __entry->start, + (unsigned) __entry->end, __entry->depth, - (unsigned) __entry->partial, + (long long) __entry->partial, (unsigned short) __entry->eh_entries) ); @@ -2095,7 +2203,7 @@ TRACE_EVENT(ext4_es_insert_extent, __field( ext4_lblk_t, lblk ) __field( ext4_lblk_t, len ) __field( ext4_fsblk_t, pblk ) - __field( unsigned long long, status ) + __field( char, status ) ), TP_fast_assign( @@ -2104,14 +2212,14 @@ TRACE_EVENT(ext4_es_insert_extent, __entry->lblk = es->es_lblk; __entry->len = es->es_len; __entry->pblk = ext4_es_pblock(es); - __entry->status = ext4_es_status(es); + __entry->status = ext4_es_status(es) >> 60; ), - TP_printk("dev %d,%d ino %lu es [%u/%u) mapped %llu status %llx", + TP_printk("dev %d,%d ino %lu es [%u/%u) mapped %llu status %s", MAJOR(__entry->dev), MINOR(__entry->dev), (unsigned long) __entry->ino, __entry->lblk, __entry->len, - __entry->pblk, __entry->status) + __entry->pblk, show_extent_status(__entry->status)) ); TRACE_EVENT(ext4_es_remove_extent, @@ -2172,7 +2280,7 @@ TRACE_EVENT(ext4_es_find_delayed_extent_range_exit, __field( ext4_lblk_t, lblk ) __field( ext4_lblk_t, len ) __field( ext4_fsblk_t, pblk ) - __field( unsigned long long, status ) + __field( char, status ) ), TP_fast_assign( @@ -2181,14 +2289,14 @@ TRACE_EVENT(ext4_es_find_delayed_extent_range_exit, __entry->lblk = es->es_lblk; __entry->len = es->es_len; __entry->pblk = ext4_es_pblock(es); - __entry->status = ext4_es_status(es); + __entry->status = ext4_es_status(es) >> 60; ), - TP_printk("dev %d,%d ino %lu es [%u/%u) mapped %llu status %llx", + TP_printk("dev %d,%d ino %lu es [%u/%u) mapped %llu status %s", MAJOR(__entry->dev), MINOR(__entry->dev), (unsigned long) __entry->ino, __entry->lblk, __entry->len, - __entry->pblk, __entry->status) + __entry->pblk, show_extent_status(__entry->status)) ); TRACE_EVENT(ext4_es_lookup_extent_enter, @@ -2225,7 +2333,7 @@ TRACE_EVENT(ext4_es_lookup_extent_exit, __field( ext4_lblk_t, lblk ) __field( ext4_lblk_t, len ) __field( ext4_fsblk_t, pblk ) - __field( unsigned long long, status ) + __field( char, status ) __field( int, found ) ), @@ -2235,16 +2343,16 @@ TRACE_EVENT(ext4_es_lookup_extent_exit, __entry->lblk = es->es_lblk; __entry->len = es->es_len; __entry->pblk = ext4_es_pblock(es); - __entry->status = ext4_es_status(es); + __entry->status = ext4_es_status(es) >> 60; __entry->found = found; ), - TP_printk("dev %d,%d ino %lu found %d [%u/%u) %llu %llx", + TP_printk("dev %d,%d ino %lu found %d [%u/%u) %llu %s", MAJOR(__entry->dev), MINOR(__entry->dev), (unsigned long) __entry->ino, __entry->found, __entry->lblk, __entry->len, __entry->found ? __entry->pblk : 0, - __entry->found ? __entry->status : 0) + show_extent_status(__entry->found ? __entry->status : 0)) ); TRACE_EVENT(ext4_es_shrink_enter, diff --git a/include/trace/events/nmi.h b/include/trace/events/nmi.h new file mode 100644 index 00000000000..da3ee96b8d0 --- /dev/null +++ b/include/trace/events/nmi.h @@ -0,0 +1,37 @@ +#undef TRACE_SYSTEM +#define TRACE_SYSTEM nmi + +#if !defined(_TRACE_NMI_H) || defined(TRACE_HEADER_MULTI_READ) +#define _TRACE_NMI_H + +#include <linux/ktime.h> +#include <linux/tracepoint.h> + +TRACE_EVENT(nmi_handler, + + TP_PROTO(void *handler, s64 delta_ns, int handled), + + TP_ARGS(handler, delta_ns, handled), + + TP_STRUCT__entry( + __field( void *, handler ) + __field( s64, delta_ns) + __field( int, handled ) + ), + + TP_fast_assign( + __entry->handler = handler; + __entry->delta_ns = delta_ns; + __entry->handled = handled; + ), + + TP_printk("%ps() delta_ns: %lld handled: %d", + __entry->handler, + __entry->delta_ns, + __entry->handled) +); + +#endif /* _TRACE_NMI_H */ + +/* This part ust be outside protection */ +#include <trace/define_trace.h> diff --git a/include/trace/ftrace.h b/include/trace/ftrace.h index 19edd7facaa..d615f78cc6b 100644 --- a/include/trace/ftrace.h +++ b/include/trace/ftrace.h @@ -71,6 +71,10 @@ static struct ftrace_event_call __used \ __attribute__((__aligned__(4))) event_##name +#undef DEFINE_EVENT_FN +#define DEFINE_EVENT_FN(template, name, proto, args, reg, unreg) \ + DEFINE_EVENT(template, name, PARAMS(proto), PARAMS(args)) + #undef DEFINE_EVENT_PRINT #define DEFINE_EVENT_PRINT(template, name, proto, args, print) \ DEFINE_EVENT(template, name, PARAMS(proto), PARAMS(args)) diff --git a/include/uapi/asm-generic/fcntl.h b/include/uapi/asm-generic/fcntl.h index a48937d4a5e..06632beaa6d 100644 --- a/include/uapi/asm-generic/fcntl.h +++ b/include/uapi/asm-generic/fcntl.h @@ -84,6 +84,10 @@ #define O_PATH 010000000 #endif +#ifndef O_TMPFILE +#define O_TMPFILE 020000000 +#endif + #ifndef O_NDELAY #define O_NDELAY O_NONBLOCK #endif diff --git a/include/uapi/asm-generic/unistd.h b/include/uapi/asm-generic/unistd.h index 0cc74c4403e..a20a9b4d387 100644 --- a/include/uapi/asm-generic/unistd.h +++ b/include/uapi/asm-generic/unistd.h @@ -361,7 +361,7 @@ __SYSCALL(__NR_syslog, sys_syslog) #define __NR_ptrace 117 __SYSCALL(__NR_ptrace, sys_ptrace) -/* kernel/sched.c */ +/* kernel/sched/core.c */ #define __NR_sched_setparam 118 __SYSCALL(__NR_sched_setparam, sys_sched_setparam) #define __NR_sched_setscheduler 119 diff --git a/include/uapi/linux/Kbuild b/include/uapi/linux/Kbuild index ab5d4992e56..bdc6e87ff3e 100644 --- a/include/uapi/linux/Kbuild +++ b/include/uapi/linux/Kbuild @@ -261,6 +261,7 @@ header-y += net_dropmon.h header-y += net_tstamp.h header-y += netconf.h header-y += netdevice.h +header-y += netlink_diag.h header-y += netfilter.h header-y += netfilter_arp.h header-y += netfilter_bridge.h diff --git a/include/uapi/linux/const.h b/include/uapi/linux/const.h index c22c707c455..c872bfd25e1 100644 --- a/include/uapi/linux/const.h +++ b/include/uapi/linux/const.h @@ -21,4 +21,7 @@ #define _AT(T,X) ((T)(X)) #endif +#define _BITUL(x) (_AC(1,UL) << (x)) +#define _BITULL(x) (_AC(1,ULL) << (x)) + #endif /* !(_LINUX_CONST_H) */ diff --git a/include/uapi/linux/kvm.h b/include/uapi/linux/kvm.h index a5c86fc34a3..acccd08be6c 100644 --- a/include/uapi/linux/kvm.h +++ b/include/uapi/linux/kvm.h @@ -666,6 +666,7 @@ struct kvm_ppc_smmu_info { #define KVM_CAP_IRQ_MPIC 90 #define KVM_CAP_PPC_RTAS 91 #define KVM_CAP_IRQ_XICS 92 +#define KVM_CAP_ARM_EL1_32BIT 93 #ifdef KVM_CAP_IRQ_ROUTING @@ -783,6 +784,8 @@ struct kvm_dirty_tlb { #define KVM_REG_IA64 0x3000000000000000ULL #define KVM_REG_ARM 0x4000000000000000ULL #define KVM_REG_S390 0x5000000000000000ULL +#define KVM_REG_ARM64 0x6000000000000000ULL +#define KVM_REG_MIPS 0x7000000000000000ULL #define KVM_REG_SIZE_SHIFT 52 #define KVM_REG_SIZE_MASK 0x00f0000000000000ULL diff --git a/include/uapi/linux/perf_event.h b/include/uapi/linux/perf_event.h index fb104e51496..0b1df41691e 100644 --- a/include/uapi/linux/perf_event.h +++ b/include/uapi/linux/perf_event.h @@ -157,8 +157,11 @@ enum perf_branch_sample_type { PERF_SAMPLE_BRANCH_ANY_CALL = 1U << 4, /* any call branch */ PERF_SAMPLE_BRANCH_ANY_RETURN = 1U << 5, /* any return branch */ PERF_SAMPLE_BRANCH_IND_CALL = 1U << 6, /* indirect calls */ + PERF_SAMPLE_BRANCH_ABORT_TX = 1U << 7, /* transaction aborts */ + PERF_SAMPLE_BRANCH_IN_TX = 1U << 8, /* in transaction */ + PERF_SAMPLE_BRANCH_NO_TX = 1U << 9, /* not in transaction */ - PERF_SAMPLE_BRANCH_MAX = 1U << 7, /* non-ABI */ + PERF_SAMPLE_BRANCH_MAX = 1U << 10, /* non-ABI */ }; #define PERF_SAMPLE_BRANCH_PLM_ALL \ diff --git a/include/uapi/linux/serial_core.h b/include/uapi/linux/serial_core.h index 74c2bf7211f..9119cc0977b 100644 --- a/include/uapi/linux/serial_core.h +++ b/include/uapi/linux/serial_core.h @@ -226,4 +226,10 @@ /* Rocketport EXPRESS/INFINITY */ #define PORT_RP2 102 +/* Freescale lpuart */ +#define PORT_LPUART 103 + +/* SH-SCI */ +#define PORT_HSCIF 104 + #endif /* _UAPILINUX_SERIAL_CORE_H */ diff --git a/include/xen/events.h b/include/xen/events.h index b2b27c6a0f7..c9ea10ee227 100644 --- a/include/xen/events.h +++ b/include/xen/events.h @@ -76,6 +76,9 @@ unsigned irq_from_evtchn(unsigned int evtchn); /* Xen HVM evtchn vector callback */ void xen_hvm_callback_vector(void); +#ifdef CONFIG_TRACING +#define trace_xen_hvm_callback_vector xen_hvm_callback_vector +#endif extern int xen_have_vector_callback; int xen_set_callback_via(uint64_t via); void xen_evtchn_do_upcall(struct pt_regs *regs); diff --git a/include/xen/interface/io/protocols.h b/include/xen/interface/io/protocols.h index 0eafaf254ff..056744b4b05 100644 --- a/include/xen/interface/io/protocols.h +++ b/include/xen/interface/io/protocols.h @@ -15,7 +15,7 @@ # define XEN_IO_PROTO_ABI_NATIVE XEN_IO_PROTO_ABI_IA64 #elif defined(__powerpc64__) # define XEN_IO_PROTO_ABI_NATIVE XEN_IO_PROTO_ABI_POWERPC64 -#elif defined(__arm__) +#elif defined(__arm__) || defined(__aarch64__) # define XEN_IO_PROTO_ABI_NATIVE XEN_IO_PROTO_ABI_ARM #else # error arch fixup needed here |