diff options
Diffstat (limited to 'include/linux')
118 files changed, 1248 insertions, 1017 deletions
diff --git a/include/linux/aio.h b/include/linux/aio.h index d9c92daa3944..9eb42dbc5582 100644 --- a/include/linux/aio.h +++ b/include/linux/aio.h @@ -1,86 +1,23 @@ #ifndef __LINUX__AIO_H #define __LINUX__AIO_H -#include <linux/list.h> -#include <linux/workqueue.h> #include <linux/aio_abi.h> -#include <linux/uio.h> -#include <linux/rcupdate.h> - -#include <linux/atomic.h> struct kioctx; struct kiocb; +struct mm_struct; #define KIOCB_KEY 0 -/* - * We use ki_cancel == KIOCB_CANCELLED to indicate that a kiocb has been either - * cancelled or completed (this makes a certain amount of sense because - * successful cancellation - io_cancel() - does deliver the completion to - * userspace). - * - * And since most things don't implement kiocb cancellation and we'd really like - * kiocb completion to be lockless when possible, we use ki_cancel to - * synchronize cancellation and completion - we only set it to KIOCB_CANCELLED - * with xchg() or cmpxchg(), see batch_complete_aio() and kiocb_cancel(). - */ -#define KIOCB_CANCELLED ((void *) (~0ULL)) - typedef int (kiocb_cancel_fn)(struct kiocb *); -struct kiocb { - struct file *ki_filp; - struct kioctx *ki_ctx; /* NULL for sync ops */ - kiocb_cancel_fn *ki_cancel; - void *private; - - union { - void __user *user; - struct task_struct *tsk; - } ki_obj; - - __u64 ki_user_data; /* user's data for completion */ - loff_t ki_pos; - size_t ki_nbytes; /* copy of iocb->aio_nbytes */ - - struct list_head ki_list; /* the aio core uses this - * for cancellation */ - - /* - * If the aio_resfd field of the userspace iocb is not zero, - * this is the underlying eventfd context to deliver events to. - */ - struct eventfd_ctx *ki_eventfd; -}; - -static inline bool is_sync_kiocb(struct kiocb *kiocb) -{ - return kiocb->ki_ctx == NULL; -} - -static inline void init_sync_kiocb(struct kiocb *kiocb, struct file *filp) -{ - *kiocb = (struct kiocb) { - .ki_ctx = NULL, - .ki_filp = filp, - .ki_obj.tsk = current, - }; -} - /* prototypes */ #ifdef CONFIG_AIO -extern ssize_t wait_on_sync_kiocb(struct kiocb *iocb); -extern void aio_complete(struct kiocb *iocb, long res, long res2); -struct mm_struct; extern void exit_aio(struct mm_struct *mm); extern long do_io_submit(aio_context_t ctx_id, long nr, struct iocb __user *__user *iocbpp, bool compat); void kiocb_set_cancel_fn(struct kiocb *req, kiocb_cancel_fn *cancel); #else -static inline ssize_t wait_on_sync_kiocb(struct kiocb *iocb) { return 0; } -static inline void aio_complete(struct kiocb *iocb, long res, long res2) { } -struct mm_struct; static inline void exit_aio(struct mm_struct *mm) { } static inline long do_io_submit(aio_context_t ctx_id, long nr, struct iocb __user * __user *iocbpp, @@ -89,11 +26,6 @@ static inline void kiocb_set_cancel_fn(struct kiocb *req, kiocb_cancel_fn *cancel) { } #endif /* CONFIG_AIO */ -static inline struct kiocb *list_kiocb(struct list_head *h) -{ - return list_entry(h, struct kiocb, ki_list); -} - /* for sysctl: */ extern unsigned long aio_nr; extern unsigned long aio_max_nr; diff --git a/include/linux/ata.h b/include/linux/ata.h index 1648026e06b4..b666b773e111 100644 --- a/include/linux/ata.h +++ b/include/linux/ata.h @@ -94,6 +94,8 @@ enum { ATA_ID_SECTOR_SIZE = 106, ATA_ID_WWN = 108, ATA_ID_LOGICAL_SECTOR_SIZE = 117, /* and 118 */ + ATA_ID_COMMAND_SET_3 = 119, + ATA_ID_COMMAND_SET_4 = 120, ATA_ID_LAST_LUN = 126, ATA_ID_DLF = 128, ATA_ID_CSFO = 129, @@ -177,7 +179,7 @@ enum { ATA_DSC = (1 << 4), /* drive seek complete */ ATA_DRQ = (1 << 3), /* data request i/o */ ATA_CORR = (1 << 2), /* corrected data error */ - ATA_IDX = (1 << 1), /* index */ + ATA_SENSE = (1 << 1), /* sense code available */ ATA_ERR = (1 << 0), /* have an error */ ATA_SRST = (1 << 2), /* software reset */ ATA_ICRC = (1 << 7), /* interface CRC error */ @@ -382,6 +384,8 @@ enum { SATA_SSP = 0x06, /* Software Settings Preservation */ SATA_DEVSLP = 0x09, /* Device Sleep */ + SETFEATURE_SENSE_DATA = 0xC3, /* Sense Data Reporting feature */ + /* feature values for SET_MAX */ ATA_SET_MAX_ADDR = 0x00, ATA_SET_MAX_PASSWD = 0x01, @@ -525,6 +529,8 @@ struct ata_bmdma_prd { #define ata_id_cdb_intr(id) (((id)[ATA_ID_CONFIG] & 0x60) == 0x20) #define ata_id_has_da(id) ((id)[ATA_ID_SATA_CAPABILITY_2] & (1 << 4)) #define ata_id_has_devslp(id) ((id)[ATA_ID_FEATURE_SUPP] & (1 << 8)) +#define ata_id_has_ncq_autosense(id) \ + ((id)[ATA_ID_FEATURE_SUPP] & (1 << 7)) static inline bool ata_id_has_hipm(const u16 *id) { @@ -696,6 +702,27 @@ static inline bool ata_id_wcache_enabled(const u16 *id) return id[ATA_ID_CFS_ENABLE_1] & (1 << 5); } +static inline bool ata_id_has_read_log_dma_ext(const u16 *id) +{ + if (!(id[ATA_ID_CFS_ENABLE_2] & (1 << 15))) + return false; + return id[ATA_ID_COMMAND_SET_3] & (1 << 3); +} + +static inline bool ata_id_has_sense_reporting(const u16 *id) +{ + if (!(id[ATA_ID_CFS_ENABLE_2] & (1 << 15))) + return false; + return id[ATA_ID_COMMAND_SET_3] & (1 << 6); +} + +static inline bool ata_id_sense_reporting_enabled(const u16 *id) +{ + if (!(id[ATA_ID_CFS_ENABLE_2] & (1 << 15))) + return false; + return id[ATA_ID_COMMAND_SET_4] & (1 << 6); +} + /** * ata_id_major_version - get ATA level of drive * @id: Identify data diff --git a/include/linux/blk_types.h b/include/linux/blk_types.h index c294e3e25e37..a1b25e35ea5f 100644 --- a/include/linux/blk_types.h +++ b/include/linux/blk_types.h @@ -181,7 +181,9 @@ enum rq_flag_bits { __REQ_ELVPRIV, /* elevator private data attached */ __REQ_FAILED, /* set if the request failed */ __REQ_QUIET, /* don't worry about errors */ - __REQ_PREEMPT, /* set for "ide_preempt" requests */ + __REQ_PREEMPT, /* set for "ide_preempt" requests and also + for requests for which the SCSI "quiesce" + state must be ignored. */ __REQ_ALLOCED, /* request came from our alloc pool */ __REQ_COPY_USER, /* contains copies of user pages */ __REQ_FLUSH_SEQ, /* request for flush sequence */ diff --git a/include/linux/bpf.h b/include/linux/bpf.h index bbfceb756452..c2e21113ecc0 100644 --- a/include/linux/bpf.h +++ b/include/linux/bpf.h @@ -113,8 +113,6 @@ struct bpf_prog_type_list { enum bpf_prog_type type; }; -void bpf_register_prog_type(struct bpf_prog_type_list *tl); - struct bpf_prog; struct bpf_prog_aux { @@ -129,11 +127,25 @@ struct bpf_prog_aux { }; #ifdef CONFIG_BPF_SYSCALL +void bpf_register_prog_type(struct bpf_prog_type_list *tl); + void bpf_prog_put(struct bpf_prog *prog); +struct bpf_prog *bpf_prog_get(u32 ufd); #else -static inline void bpf_prog_put(struct bpf_prog *prog) {} +static inline void bpf_register_prog_type(struct bpf_prog_type_list *tl) +{ +} + +static inline struct bpf_prog *bpf_prog_get(u32 ufd) +{ + return ERR_PTR(-EOPNOTSUPP); +} + +static inline void bpf_prog_put(struct bpf_prog *prog) +{ +} #endif -struct bpf_prog *bpf_prog_get(u32 ufd); + /* verify correctness of eBPF program */ int bpf_check(struct bpf_prog *fp, union bpf_attr *attr); diff --git a/include/linux/clk.h b/include/linux/clk.h index 8381bbfbc308..68c16a6bedb3 100644 --- a/include/linux/clk.h +++ b/include/linux/clk.h @@ -125,6 +125,19 @@ int clk_set_phase(struct clk *clk, int degrees); */ int clk_get_phase(struct clk *clk); +/** + * clk_is_match - check if two clk's point to the same hardware clock + * @p: clk compared against q + * @q: clk compared against p + * + * Returns true if the two struct clk pointers both point to the same hardware + * clock node. Put differently, returns true if struct clk *p and struct clk *q + * share the same struct clk_core object. + * + * Returns false otherwise. Note that two NULL clks are treated as matching. + */ +bool clk_is_match(const struct clk *p, const struct clk *q); + #else static inline long clk_get_accuracy(struct clk *clk) @@ -142,6 +155,11 @@ static inline long clk_get_phase(struct clk *clk) return -ENOTSUPP; } +static inline bool clk_is_match(const struct clk *p, const struct clk *q) +{ + return p == q; +} + #endif /** diff --git a/include/linux/clockchips.h b/include/linux/clockchips.h index 2e4cb67f6e56..96c280b2c263 100644 --- a/include/linux/clockchips.h +++ b/include/linux/clockchips.h @@ -8,33 +8,19 @@ #ifndef _LINUX_CLOCKCHIPS_H #define _LINUX_CLOCKCHIPS_H -/* Clock event notification values */ -enum clock_event_nofitiers { - CLOCK_EVT_NOTIFY_ADD, - CLOCK_EVT_NOTIFY_BROADCAST_ON, - CLOCK_EVT_NOTIFY_BROADCAST_OFF, - CLOCK_EVT_NOTIFY_BROADCAST_FORCE, - CLOCK_EVT_NOTIFY_BROADCAST_ENTER, - CLOCK_EVT_NOTIFY_BROADCAST_EXIT, - CLOCK_EVT_NOTIFY_SUSPEND, - CLOCK_EVT_NOTIFY_RESUME, - CLOCK_EVT_NOTIFY_CPU_DYING, - CLOCK_EVT_NOTIFY_CPU_DEAD, -}; - -#ifdef CONFIG_GENERIC_CLOCKEVENTS_BUILD +#ifdef CONFIG_GENERIC_CLOCKEVENTS -#include <linux/clocksource.h> -#include <linux/cpumask.h> -#include <linux/ktime.h> -#include <linux/notifier.h> +# include <linux/clocksource.h> +# include <linux/cpumask.h> +# include <linux/ktime.h> +# include <linux/notifier.h> struct clock_event_device; struct module; -/* Clock event mode commands */ +/* Clock event mode commands for legacy ->set_mode(): OBSOLETE */ enum clock_event_mode { - CLOCK_EVT_MODE_UNUSED = 0, + CLOCK_EVT_MODE_UNUSED, CLOCK_EVT_MODE_SHUTDOWN, CLOCK_EVT_MODE_PERIODIC, CLOCK_EVT_MODE_ONESHOT, @@ -42,30 +28,49 @@ enum clock_event_mode { }; /* + * Possible states of a clock event device. + * + * DETACHED: Device is not used by clockevents core. Initial state or can be + * reached from SHUTDOWN. + * SHUTDOWN: Device is powered-off. Can be reached from PERIODIC or ONESHOT. + * PERIODIC: Device is programmed to generate events periodically. Can be + * reached from DETACHED or SHUTDOWN. + * ONESHOT: Device is programmed to generate event only once. Can be reached + * from DETACHED or SHUTDOWN. + */ +enum clock_event_state { + CLOCK_EVT_STATE_DETACHED, + CLOCK_EVT_STATE_SHUTDOWN, + CLOCK_EVT_STATE_PERIODIC, + CLOCK_EVT_STATE_ONESHOT, +}; + +/* * Clock event features */ -#define CLOCK_EVT_FEAT_PERIODIC 0x000001 -#define CLOCK_EVT_FEAT_ONESHOT 0x000002 -#define CLOCK_EVT_FEAT_KTIME 0x000004 +# define CLOCK_EVT_FEAT_PERIODIC 0x000001 +# define CLOCK_EVT_FEAT_ONESHOT 0x000002 +# define CLOCK_EVT_FEAT_KTIME 0x000004 + /* - * x86(64) specific misfeatures: + * x86(64) specific (mis)features: * * - Clockevent source stops in C3 State and needs broadcast support. * - Local APIC timer is used as a dummy device. */ -#define CLOCK_EVT_FEAT_C3STOP 0x000008 -#define CLOCK_EVT_FEAT_DUMMY 0x000010 +# define CLOCK_EVT_FEAT_C3STOP 0x000008 +# define CLOCK_EVT_FEAT_DUMMY 0x000010 /* * Core shall set the interrupt affinity dynamically in broadcast mode */ -#define CLOCK_EVT_FEAT_DYNIRQ 0x000020 -#define CLOCK_EVT_FEAT_PERCPU 0x000040 +# define CLOCK_EVT_FEAT_DYNIRQ 0x000020 +# define CLOCK_EVT_FEAT_PERCPU 0x000040 /* * Clockevent device is based on a hrtimer for broadcast */ -#define CLOCK_EVT_FEAT_HRTIMER 0x000080 +# define CLOCK_EVT_FEAT_HRTIMER 0x000080 /** * struct clock_event_device - clock event device descriptor @@ -78,10 +83,15 @@ enum clock_event_mode { * @min_delta_ns: minimum delta value in ns * @mult: nanosecond to cycles multiplier * @shift: nanoseconds to cycles divisor (power of two) - * @mode: operating mode assigned by the management code + * @mode: operating mode, relevant only to ->set_mode(), OBSOLETE + * @state: current state of the device, assigned by the core code * @features: features * @retries: number of forced programming retries - * @set_mode: set mode function + * @set_mode: legacy set mode function, only for modes <= CLOCK_EVT_MODE_RESUME. + * @set_state_periodic: switch state to periodic, if !set_mode + * @set_state_oneshot: switch state to oneshot, if !set_mode + * @set_state_shutdown: switch state to shutdown, if !set_mode + * @tick_resume: resume clkevt device, if !set_mode * @broadcast: function to broadcast events * @min_delta_ticks: minimum delta value in ticks stored for reconfiguration * @max_delta_ticks: maximum delta value in ticks stored for reconfiguration @@ -95,22 +105,31 @@ enum clock_event_mode { */ struct clock_event_device { void (*event_handler)(struct clock_event_device *); - int (*set_next_event)(unsigned long evt, - struct clock_event_device *); - int (*set_next_ktime)(ktime_t expires, - struct clock_event_device *); + int (*set_next_event)(unsigned long evt, struct clock_event_device *); + int (*set_next_ktime)(ktime_t expires, struct clock_event_device *); ktime_t next_event; u64 max_delta_ns; u64 min_delta_ns; u32 mult; u32 shift; enum clock_event_mode mode; + enum clock_event_state state; unsigned int features; unsigned long retries; + /* + * State transition callback(s): Only one of the two groups should be + * defined: + * - set_mode(), only for modes <= CLOCK_EVT_MODE_RESUME. + * - set_state_{shutdown|periodic|oneshot}(), tick_resume(). + */ + void (*set_mode)(enum clock_event_mode mode, struct clock_event_device *); + int (*set_state_periodic)(struct clock_event_device *); + int (*set_state_oneshot)(struct clock_event_device *); + int (*set_state_shutdown)(struct clock_event_device *); + int (*tick_resume)(struct clock_event_device *); + void (*broadcast)(const struct cpumask *mask); - void (*set_mode)(enum clock_event_mode mode, - struct clock_event_device *); void (*suspend)(struct clock_event_device *); void (*resume)(struct clock_event_device *); unsigned long min_delta_ticks; @@ -136,18 +155,18 @@ struct clock_event_device { * * factor = (clock_ticks << shift) / nanoseconds */ -static inline unsigned long div_sc(unsigned long ticks, unsigned long nsec, - int shift) +static inline unsigned long +div_sc(unsigned long ticks, unsigned long nsec, int shift) { - uint64_t tmp = ((uint64_t)ticks) << shift; + u64 tmp = ((u64)ticks) << shift; do_div(tmp, nsec); + return (unsigned long) tmp; } /* Clock event layer functions */ -extern u64 clockevent_delta2ns(unsigned long latch, - struct clock_event_device *evt); +extern u64 clockevent_delta2ns(unsigned long latch, struct clock_event_device *evt); extern void clockevents_register_device(struct clock_event_device *dev); extern int clockevents_unbind_device(struct clock_event_device *ced, int cpu); @@ -158,57 +177,42 @@ extern void clockevents_config_and_register(struct clock_event_device *dev, extern int clockevents_update_freq(struct clock_event_device *ce, u32 freq); -extern void clockevents_exchange_device(struct clock_event_device *old, - struct clock_event_device *new); -extern void clockevents_set_mode(struct clock_event_device *dev, - enum clock_event_mode mode); -extern int clockevents_program_event(struct clock_event_device *dev, - ktime_t expires, bool force); - -extern void clockevents_handle_noop(struct clock_event_device *dev); - static inline void clockevents_calc_mult_shift(struct clock_event_device *ce, u32 freq, u32 minsec) { - return clocks_calc_mult_shift(&ce->mult, &ce->shift, NSEC_PER_SEC, - freq, minsec); + return clocks_calc_mult_shift(&ce->mult, &ce->shift, NSEC_PER_SEC, freq, minsec); } extern void clockevents_suspend(void); extern void clockevents_resume(void); -#ifdef CONFIG_GENERIC_CLOCKEVENTS_BROADCAST -#ifdef CONFIG_ARCH_HAS_TICK_BROADCAST +# ifdef CONFIG_GENERIC_CLOCKEVENTS_BROADCAST +# ifdef CONFIG_ARCH_HAS_TICK_BROADCAST extern void tick_broadcast(const struct cpumask *mask); -#else -#define tick_broadcast NULL -#endif +# else +# define tick_broadcast NULL +# endif extern int tick_receive_broadcast(void); -#endif +# endif -#if defined(CONFIG_GENERIC_CLOCKEVENTS_BROADCAST) && defined(CONFIG_TICK_ONESHOT) +# if defined(CONFIG_GENERIC_CLOCKEVENTS_BROADCAST) && defined(CONFIG_TICK_ONESHOT) extern void tick_setup_hrtimer_broadcast(void); extern int tick_check_broadcast_expired(void); -#else +# else static inline int tick_check_broadcast_expired(void) { return 0; } -static inline void tick_setup_hrtimer_broadcast(void) {}; -#endif +static inline void tick_setup_hrtimer_broadcast(void) { } +# endif -#ifdef CONFIG_GENERIC_CLOCKEVENTS extern int clockevents_notify(unsigned long reason, void *arg); -#else -static inline int clockevents_notify(unsigned long reason, void *arg) { return 0; } -#endif - -#else /* CONFIG_GENERIC_CLOCKEVENTS_BUILD */ -static inline void clockevents_suspend(void) {} -static inline void clockevents_resume(void) {} +#else /* !CONFIG_GENERIC_CLOCKEVENTS: */ +static inline void clockevents_suspend(void) { } +static inline void clockevents_resume(void) { } static inline int clockevents_notify(unsigned long reason, void *arg) { return 0; } static inline int tick_check_broadcast_expired(void) { return 0; } -static inline void tick_setup_hrtimer_broadcast(void) {}; +static inline void tick_setup_hrtimer_broadcast(void) { } -#endif +#endif /* !CONFIG_GENERIC_CLOCKEVENTS */ -#endif +#endif /* _LINUX_CLOCKCHIPS_H */ diff --git a/include/linux/clocksource.h b/include/linux/clocksource.h index 9c78d15d33e4..135509821c39 100644 --- a/include/linux/clocksource.h +++ b/include/linux/clocksource.h @@ -56,6 +56,7 @@ struct module; * @shift: cycle to nanosecond divisor (power of two) * @max_idle_ns: max idle time permitted by the clocksource (nsecs) * @maxadj: maximum adjustment value to mult (~11%) + * @max_cycles: maximum safe cycle value which won't overflow on multiplication * @flags: flags describing special properties * @archdata: arch-specific data * @suspend: suspend function for the clocksource, if necessary @@ -76,7 +77,7 @@ struct clocksource { #ifdef CONFIG_ARCH_CLOCKSOURCE_DATA struct arch_clocksource_data archdata; #endif - + u64 max_cycles; const char *name; struct list_head list; int rating; @@ -178,7 +179,6 @@ static inline s64 clocksource_cyc2ns(cycle_t cycles, u32 mult, u32 shift) } -extern int clocksource_register(struct clocksource*); extern int clocksource_unregister(struct clocksource*); extern void clocksource_touch_watchdog(void); extern struct clocksource* clocksource_get_next(void); @@ -189,7 +189,7 @@ extern struct clocksource * __init clocksource_default_clock(void); extern void clocksource_mark_unstable(struct clocksource *cs); extern u64 -clocks_calc_max_nsecs(u32 mult, u32 shift, u32 maxadj, u64 mask); +clocks_calc_max_nsecs(u32 mult, u32 shift, u32 maxadj, u64 mask, u64 *max_cycles); extern void clocks_calc_mult_shift(u32 *mult, u32 *shift, u32 from, u32 to, u32 minsec); @@ -200,7 +200,16 @@ clocks_calc_mult_shift(u32 *mult, u32 *shift, u32 from, u32 to, u32 minsec); extern int __clocksource_register_scale(struct clocksource *cs, u32 scale, u32 freq); extern void -__clocksource_updatefreq_scale(struct clocksource *cs, u32 scale, u32 freq); +__clocksource_update_freq_scale(struct clocksource *cs, u32 scale, u32 freq); + +/* + * Don't call this unless you are a default clocksource + * (AKA: jiffies) and absolutely have to. + */ +static inline int __clocksource_register(struct clocksource *cs) +{ + return __clocksource_register_scale(cs, 1, 0); +} static inline int clocksource_register_hz(struct clocksource *cs, u32 hz) { @@ -212,14 +221,14 @@ static inline int clocksource_register_khz(struct clocksource *cs, u32 khz) return __clocksource_register_scale(cs, 1000, khz); } -static inline void __clocksource_updatefreq_hz(struct clocksource *cs, u32 hz) +static inline void __clocksource_update_freq_hz(struct clocksource *cs, u32 hz) { - __clocksource_updatefreq_scale(cs, 1, hz); + __clocksource_update_freq_scale(cs, 1, hz); } -static inline void __clocksource_updatefreq_khz(struct clocksource *cs, u32 khz) +static inline void __clocksource_update_freq_khz(struct clocksource *cs, u32 khz) { - __clocksource_updatefreq_scale(cs, 1000, khz); + __clocksource_update_freq_scale(cs, 1000, khz); } diff --git a/include/linux/compiler.h b/include/linux/compiler.h index 1b45e4a0519b..0e41ca0e5927 100644 --- a/include/linux/compiler.h +++ b/include/linux/compiler.h @@ -192,29 +192,16 @@ void ftrace_likely_update(struct ftrace_branch_data *f, int val, int expect); #include <uapi/linux/types.h> -static __always_inline void data_access_exceeds_word_size(void) -#ifdef __compiletime_warning -__compiletime_warning("data access exceeds word size and won't be atomic") -#endif -; - -static __always_inline void data_access_exceeds_word_size(void) -{ -} - static __always_inline void __read_once_size(const volatile void *p, void *res, int size) { switch (size) { case 1: *(__u8 *)res = *(volatile __u8 *)p; break; case 2: *(__u16 *)res = *(volatile __u16 *)p; break; case 4: *(__u32 *)res = *(volatile __u32 *)p; break; -#ifdef CONFIG_64BIT case 8: *(__u64 *)res = *(volatile __u64 *)p; break; -#endif default: barrier(); __builtin_memcpy((void *)res, (const void *)p, size); - data_access_exceeds_word_size(); barrier(); } } @@ -225,13 +212,10 @@ static __always_inline void __write_once_size(volatile void *p, void *res, int s case 1: *(volatile __u8 *)p = *(__u8 *)res; break; case 2: *(volatile __u16 *)p = *(__u16 *)res; break; case 4: *(volatile __u32 *)p = *(__u32 *)res; break; -#ifdef CONFIG_64BIT case 8: *(volatile __u64 *)p = *(__u64 *)res; break; -#endif default: barrier(); __builtin_memcpy((void *)p, (const void *)res, size); - data_access_exceeds_word_size(); barrier(); } } diff --git a/include/linux/context_tracking.h b/include/linux/context_tracking.h index 37b81bd51ec0..2821838256b4 100644 --- a/include/linux/context_tracking.h +++ b/include/linux/context_tracking.h @@ -10,6 +10,8 @@ #ifdef CONFIG_CONTEXT_TRACKING extern void context_tracking_cpu_set(int cpu); +extern void context_tracking_enter(enum ctx_state state); +extern void context_tracking_exit(enum ctx_state state); extern void context_tracking_user_enter(void); extern void context_tracking_user_exit(void); extern void __context_tracking_task_switch(struct task_struct *prev, @@ -35,7 +37,8 @@ static inline enum ctx_state exception_enter(void) return 0; prev_ctx = this_cpu_read(context_tracking.state); - context_tracking_user_exit(); + if (prev_ctx != CONTEXT_KERNEL) + context_tracking_exit(prev_ctx); return prev_ctx; } @@ -43,8 +46,8 @@ static inline enum ctx_state exception_enter(void) static inline void exception_exit(enum ctx_state prev_ctx) { if (context_tracking_is_enabled()) { - if (prev_ctx == IN_USER) - context_tracking_user_enter(); + if (prev_ctx != CONTEXT_KERNEL) + context_tracking_enter(prev_ctx); } } @@ -78,10 +81,16 @@ static inline void guest_enter(void) vtime_guest_enter(current); else current->flags |= PF_VCPU; + + if (context_tracking_is_enabled()) + context_tracking_enter(CONTEXT_GUEST); } static inline void guest_exit(void) { + if (context_tracking_is_enabled()) + context_tracking_exit(CONTEXT_GUEST); + if (vtime_accounting_enabled()) vtime_guest_exit(current); else diff --git a/include/linux/context_tracking_state.h b/include/linux/context_tracking_state.h index 97a81225d037..6b7b96a32b75 100644 --- a/include/linux/context_tracking_state.h +++ b/include/linux/context_tracking_state.h @@ -13,8 +13,9 @@ struct context_tracking { */ bool active; enum ctx_state { - IN_KERNEL = 0, - IN_USER, + CONTEXT_KERNEL = 0, + CONTEXT_USER, + CONTEXT_GUEST, } state; }; @@ -34,11 +35,13 @@ static inline bool context_tracking_cpu_is_enabled(void) static inline bool context_tracking_in_user(void) { - return __this_cpu_read(context_tracking.state) == IN_USER; + return __this_cpu_read(context_tracking.state) == CONTEXT_USER; } #else static inline bool context_tracking_in_user(void) { return false; } static inline bool context_tracking_active(void) { return false; } +static inline bool context_tracking_is_enabled(void) { return false; } +static inline bool context_tracking_cpu_is_enabled(void) { return false; } #endif /* CONFIG_CONTEXT_TRACKING */ #endif diff --git a/include/linux/cpu.h b/include/linux/cpu.h index 4260e8594bd7..c0fb6b1b4712 100644 --- a/include/linux/cpu.h +++ b/include/linux/cpu.h @@ -73,6 +73,7 @@ enum { /* migration should happen before other stuff but after perf */ CPU_PRI_PERF = 20, CPU_PRI_MIGRATION = 10, + CPU_PRI_SMPBOOT = 9, /* bring up workqueues before normal notifiers and down after */ CPU_PRI_WORKQUEUE_UP = 5, CPU_PRI_WORKQUEUE_DOWN = -5, @@ -95,6 +96,10 @@ enum { * Called on the new cpu, just before * enabling interrupts. Must not sleep, * must not fail */ +#define CPU_DYING_IDLE 0x000B /* CPU (unsigned)v dying, reached + * idle loop. */ +#define CPU_BROKEN 0x000C /* CPU (unsigned)v did not die properly, + * perhaps due to preemption. */ /* Used for CPU hotplug events occurring while tasks are frozen due to a suspend * operation in progress @@ -161,6 +166,7 @@ static inline void __unregister_cpu_notifier(struct notifier_block *nb) } #endif +void smpboot_thread_init(void); int cpu_up(unsigned int cpu); void notify_cpu_starting(unsigned int cpu); extern void cpu_maps_update_begin(void); @@ -208,6 +214,10 @@ static inline void cpu_notifier_register_done(void) { } +static inline void smpboot_thread_init(void) +{ +} + #endif /* CONFIG_SMP */ extern struct bus_type cpu_subsys; @@ -271,4 +281,14 @@ void arch_cpu_idle_enter(void); void arch_cpu_idle_exit(void); void arch_cpu_idle_dead(void); +DECLARE_PER_CPU(bool, cpu_dead_idle); + +int cpu_report_state(int cpu); +int cpu_check_up_prepare(int cpu); +void cpu_set_state_online(int cpu); +#ifdef CONFIG_HOTPLUG_CPU +bool cpu_wait_death(unsigned int cpu, int seconds); +bool cpu_report_death(void); +#endif /* #ifdef CONFIG_HOTPLUG_CPU */ + #endif /* _LINUX_CPU_H_ */ diff --git a/include/linux/cpuidle.h b/include/linux/cpuidle.h index f551a9299ac9..9c5e89254796 100644 --- a/include/linux/cpuidle.h +++ b/include/linux/cpuidle.h @@ -77,7 +77,6 @@ struct cpuidle_device { unsigned int cpu; int last_residency; - int state_count; struct cpuidle_state_usage states_usage[CPUIDLE_STATE_MAX]; struct cpuidle_state_kobj *kobjs[CPUIDLE_STATE_MAX]; struct cpuidle_driver_kobj *kobj_driver; @@ -126,6 +125,8 @@ struct cpuidle_driver { #ifdef CONFIG_CPU_IDLE extern void disable_cpuidle(void); +extern bool cpuidle_not_available(struct cpuidle_driver *drv, + struct cpuidle_device *dev); extern int cpuidle_select(struct cpuidle_driver *drv, struct cpuidle_device *dev); @@ -150,11 +151,17 @@ extern void cpuidle_resume(void); extern int cpuidle_enable_device(struct cpuidle_device *dev); extern void cpuidle_disable_device(struct cpuidle_device *dev); extern int cpuidle_play_dead(void); -extern void cpuidle_enter_freeze(void); +extern int cpuidle_find_deepest_state(struct cpuidle_driver *drv, + struct cpuidle_device *dev); +extern int cpuidle_enter_freeze(struct cpuidle_driver *drv, + struct cpuidle_device *dev); extern struct cpuidle_driver *cpuidle_get_cpu_driver(struct cpuidle_device *dev); #else static inline void disable_cpuidle(void) { } +static inline bool cpuidle_not_available(struct cpuidle_driver *drv, + struct cpuidle_device *dev) +{return true; } static inline int cpuidle_select(struct cpuidle_driver *drv, struct cpuidle_device *dev) {return -ENODEV; } @@ -183,7 +190,12 @@ static inline int cpuidle_enable_device(struct cpuidle_device *dev) {return -ENODEV; } static inline void cpuidle_disable_device(struct cpuidle_device *dev) { } static inline int cpuidle_play_dead(void) {return -ENODEV; } -static inline void cpuidle_enter_freeze(void) { } +static inline int cpuidle_find_deepest_state(struct cpuidle_driver *drv, + struct cpuidle_device *dev) +{return -ENODEV; } +static inline int cpuidle_enter_freeze(struct cpuidle_driver *drv, + struct cpuidle_device *dev) +{return -ENODEV; } static inline struct cpuidle_driver *cpuidle_get_cpu_driver( struct cpuidle_device *dev) {return NULL; } #endif diff --git a/include/linux/device-mapper.h b/include/linux/device-mapper.h index 2646aed1d3fe..fd23978d93fe 100644 --- a/include/linux/device-mapper.h +++ b/include/linux/device-mapper.h @@ -375,6 +375,7 @@ int dm_create(int minor, struct mapped_device **md); */ struct mapped_device *dm_get_md(dev_t dev); void dm_get(struct mapped_device *md); +int dm_hold(struct mapped_device *md); void dm_put(struct mapped_device *md); /* diff --git a/include/linux/device.h b/include/linux/device.h index 0eb8ee2dc6d1..f3f2c7e38060 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -916,6 +916,13 @@ static inline void device_lock_assert(struct device *dev) lockdep_assert_held(&dev->mutex); } +static inline struct device_node *dev_of_node(struct device *dev) +{ + if (!IS_ENABLED(CONFIG_OF)) + return NULL; + return dev->of_node; +} + void driver_init(void); /* diff --git a/include/linux/dmapool.h b/include/linux/dmapool.h index 022e34fcbd1b..52456aa566a0 100644 --- a/include/linux/dmapool.h +++ b/include/linux/dmapool.h @@ -14,6 +14,8 @@ #include <asm/io.h> #include <asm/scatterlist.h> +struct device; + struct dma_pool *dma_pool_create(const char *name, struct device *dev, size_t size, size_t align, size_t allocation); diff --git a/include/linux/efi.h b/include/linux/efi.h index cf7e431cbc73..af5be0368dec 100644 --- a/include/linux/efi.h +++ b/include/linux/efi.h @@ -942,6 +942,7 @@ extern int __init efi_setup_pcdp_console(char *); #define EFI_64BIT 5 /* Is the firmware 64-bit? */ #define EFI_PARAVIRT 6 /* Access is via a paravirt interface */ #define EFI_ARCH_1 7 /* First arch-specific bit */ +#define EFI_DBG 8 /* Print additional debug info at runtime */ #ifdef CONFIG_EFI /* diff --git a/include/linux/fs.h b/include/linux/fs.h index b4d71b5e1ff2..d502e5436c84 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -314,6 +314,28 @@ struct page; struct address_space; struct writeback_control; +#define IOCB_EVENTFD (1 << 0) + +struct kiocb { + struct file *ki_filp; + loff_t ki_pos; + void (*ki_complete)(struct kiocb *iocb, long ret, long ret2); + void *private; + int ki_flags; +}; + +static inline bool is_sync_kiocb(struct kiocb *kiocb) +{ + return kiocb->ki_complete == NULL; +} + +static inline void init_sync_kiocb(struct kiocb *kiocb, struct file *filp) +{ + *kiocb = (struct kiocb) { + .ki_filp = filp, + }; +} + /* * "descriptor" for what we're up to with a read. * This allows us to use the same read code yet @@ -604,6 +626,7 @@ struct inode { struct mutex i_mutex; unsigned long dirtied_when; /* jiffies of first dirtying */ + unsigned long dirtied_time_when; struct hlist_node i_hash; struct list_head i_wb_list; /* backing dev IO list */ @@ -1548,7 +1571,7 @@ struct file_operations { long (*unlocked_ioctl) (struct file *, unsigned int, unsigned long); long (*compat_ioctl) (struct file *, unsigned int, unsigned long); int (*mmap) (struct file *, struct vm_area_struct *); - void (*mremap)(struct file *, struct vm_area_struct *); + int (*mremap)(struct file *, struct vm_area_struct *); int (*open) (struct inode *, struct file *); int (*flush) (struct file *, fl_owner_t id); int (*release) (struct inode *, struct file *); @@ -2144,7 +2167,7 @@ struct filename { const __user char *uptr; /* original userland pointer */ struct audit_names *aname; int refcnt; - bool separate; /* should "name" be freed? */ + const char iname[]; }; extern long vfs_truncate(struct path *, loff_t); diff --git a/include/linux/ftrace_event.h b/include/linux/ftrace_event.h index c674ee8f7fca..46e83c2156c6 100644 --- a/include/linux/ftrace_event.h +++ b/include/linux/ftrace_event.h @@ -13,6 +13,7 @@ struct trace_array; struct trace_buffer; struct tracer; struct dentry; +struct bpf_prog; struct trace_print_flags { unsigned long mask; @@ -202,7 +203,7 @@ enum trace_reg { struct ftrace_event_call; struct ftrace_event_class { - char *system; + const char *system; void *probe; #ifdef CONFIG_PERF_EVENTS void *perf_probe; @@ -252,6 +253,7 @@ enum { TRACE_EVENT_FL_WAS_ENABLED_BIT, TRACE_EVENT_FL_USE_CALL_FILTER_BIT, TRACE_EVENT_FL_TRACEPOINT_BIT, + TRACE_EVENT_FL_KPROBE_BIT, }; /* @@ -265,6 +267,7 @@ enum { * it is best to clear the buffers that used it). * USE_CALL_FILTER - For ftrace internal events, don't use file filter * TRACEPOINT - Event is a tracepoint + * KPROBE - Event is a kprobe */ enum { TRACE_EVENT_FL_FILTERED = (1 << TRACE_EVENT_FL_FILTERED_BIT), @@ -274,6 +277,7 @@ enum { TRACE_EVENT_FL_WAS_ENABLED = (1 << TRACE_EVENT_FL_WAS_ENABLED_BIT), TRACE_EVENT_FL_USE_CALL_FILTER = (1 << TRACE_EVENT_FL_USE_CALL_FILTER_BIT), TRACE_EVENT_FL_TRACEPOINT = (1 << TRACE_EVENT_FL_TRACEPOINT_BIT), + TRACE_EVENT_FL_KPROBE = (1 << TRACE_EVENT_FL_KPROBE_BIT), }; struct ftrace_event_call { @@ -285,7 +289,7 @@ struct ftrace_event_call { struct tracepoint *tp; }; struct trace_event event; - const char *print_fmt; + char *print_fmt; struct event_filter *filter; void *mod; void *data; @@ -303,6 +307,7 @@ struct ftrace_event_call { #ifdef CONFIG_PERF_EVENTS int perf_refcount; struct hlist_head __percpu *perf_events; + struct bpf_prog *prog; int (*perf_perm)(struct ftrace_event_call *, struct perf_event *); @@ -548,6 +553,15 @@ event_trigger_unlock_commit_regs(struct ftrace_event_file *file, event_triggers_post_call(file, tt); } +#ifdef CONFIG_BPF_SYSCALL +unsigned int trace_call_bpf(struct bpf_prog *prog, void *ctx); +#else +static inline unsigned int trace_call_bpf(struct bpf_prog *prog, void *ctx) +{ + return 1; +} +#endif + enum { FILTER_OTHER = 0, FILTER_STATIC_STRING, diff --git a/include/linux/hardirq.h b/include/linux/hardirq.h index cba442ec3c66..f4af03404b97 100644 --- a/include/linux/hardirq.h +++ b/include/linux/hardirq.h @@ -9,7 +9,7 @@ extern void synchronize_irq(unsigned int irq); -extern void synchronize_hardirq(unsigned int irq); +extern bool synchronize_hardirq(unsigned int irq); #if defined(CONFIG_TINY_RCU) diff --git a/include/linux/hid-sensor-hub.h b/include/linux/hid-sensor-hub.h index 51f7ccadf923..0408421d885f 100644 --- a/include/linux/hid-sensor-hub.h +++ b/include/linux/hid-sensor-hub.h @@ -33,6 +33,8 @@ * @units: Measurment unit for this attribute. * @unit_expo: Exponent used in the data. * @size: Size in bytes for data size. + * @logical_minimum: Logical minimum value for this attribute. + * @logical_maximum: Logical maximum value for this attribute. */ struct hid_sensor_hub_attribute_info { u32 usage_id; @@ -47,19 +49,43 @@ struct hid_sensor_hub_attribute_info { }; /** + * struct sensor_hub_pending - Synchronous read pending information + * @status: Pending status true/false. + * @ready: Completion synchronization data. + * @usage_id: Usage id for physical device, E.g. Gyro usage id. + * @attr_usage_id: Usage Id of a field, E.g. X-AXIS for a gyro. + * @raw_size: Response size for a read request. + * @raw_data: Place holder for received response. + */ +struct sensor_hub_pending { + bool status; + struct completion ready; + u32 usage_id; + u32 attr_usage_id; + int raw_size; + u8 *raw_data; +}; + +/** * struct hid_sensor_hub_device - Stores the hub instance data * @hdev: Stores the hid instance. * @vendor_id: Vendor id of hub device. * @product_id: Product id of hub device. + * @usage: Usage id for this hub device instance. * @start_collection_index: Starting index for a phy type collection * @end_collection_index: Last index for a phy type collection + * @mutex: synchronizing mutex. + * @pending: Holds information of pending sync read request. */ struct hid_sensor_hub_device { struct hid_device *hdev; u32 vendor_id; u32 product_id; + u32 usage; int start_collection_index; int end_collection_index; + struct mutex mutex; + struct sensor_hub_pending pending; }; /** @@ -146,41 +172,55 @@ int sensor_hub_input_get_attribute_info(struct hid_sensor_hub_device *hsdev, /** * sensor_hub_input_attr_get_raw_value() - Synchronous read request +* @hsdev: Hub device instance. * @usage_id: Attribute usage id of parent physical device as per spec * @attr_usage_id: Attribute usage id as per spec * @report_id: Report id to look for +* @flag: Synchronous or asynchronous read * -* Issues a synchronous read request for an input attribute. Returns -* data upto 32 bits. Since client can get events, so this call should -* not be used for data paths, this will impact performance. +* Issues a synchronous or asynchronous read request for an input attribute. +* Returns data upto 32 bits. */ +enum sensor_hub_read_flags { + SENSOR_HUB_SYNC, + SENSOR_HUB_ASYNC, +}; + int sensor_hub_input_attr_get_raw_value(struct hid_sensor_hub_device *hsdev, - u32 usage_id, - u32 attr_usage_id, u32 report_id); + u32 usage_id, + u32 attr_usage_id, u32 report_id, + enum sensor_hub_read_flags flag +); + /** * sensor_hub_set_feature() - Feature set request +* @hsdev: Hub device instance. * @report_id: Report id to look for * @field_index: Field index inside a report -* @value: Value to set +* @buffer_size: size of the buffer +* @buffer: buffer to use in the feature set * * Used to set a field in feature report. For example this can set polling * interval, sensitivity, activate/deactivate state. */ int sensor_hub_set_feature(struct hid_sensor_hub_device *hsdev, u32 report_id, - u32 field_index, s32 value); + u32 field_index, int buffer_size, void *buffer); /** * sensor_hub_get_feature() - Feature get request +* @hsdev: Hub device instance. * @report_id: Report id to look for * @field_index: Field index inside a report -* @value: Place holder for return value +* @buffer_size: size of the buffer +* @buffer: buffer to copy output * * Used to get a field in feature report. For example this can get polling -* interval, sensitivity, activate/deactivate state. +* interval, sensitivity, activate/deactivate state. On success it returns +* number of bytes copied to buffer. On failure, it returns value < 0. */ int sensor_hub_get_feature(struct hid_sensor_hub_device *hsdev, u32 report_id, - u32 field_index, s32 *value); + u32 field_index, int buffer_size, void *buffer); /* hid-sensor-attributes */ diff --git a/include/linux/hid-sensor-ids.h b/include/linux/hid-sensor-ids.h index 109f0e633e01..f2ee90aed0c2 100644 --- a/include/linux/hid-sensor-ids.h +++ b/include/linux/hid-sensor-ids.h @@ -21,6 +21,8 @@ #define HID_MAX_PHY_DEVICES 0xFF +#define HID_USAGE_SENSOR_COLLECTION 0x200001 + /* Accel 3D (200073) */ #define HID_USAGE_SENSOR_ACCEL_3D 0x200073 #define HID_USAGE_SENSOR_DATA_ACCELERATION 0x200452 diff --git a/include/linux/hid.h b/include/linux/hid.h index efc7787a41a8..176b43670e5d 100644 --- a/include/linux/hid.h +++ b/include/linux/hid.h @@ -159,6 +159,7 @@ struct hid_item { #define HID_UP_LED 0x00080000 #define HID_UP_BUTTON 0x00090000 #define HID_UP_ORDINAL 0x000a0000 +#define HID_UP_TELEPHONY 0x000b0000 #define HID_UP_CONSUMER 0x000c0000 #define HID_UP_DIGITIZER 0x000d0000 #define HID_UP_PID 0x000f0000 @@ -269,6 +270,7 @@ struct hid_item { #define HID_DG_DEVICEINDEX 0x000d0053 #define HID_DG_CONTACTCOUNT 0x000d0054 #define HID_DG_CONTACTMAX 0x000d0055 +#define HID_DG_BUTTONTYPE 0x000d0059 #define HID_DG_BARRELSWITCH2 0x000d005a #define HID_DG_TOOLSERIALNUMBER 0x000d005b @@ -514,10 +516,10 @@ struct hid_device { /* device report descriptor */ #ifdef CONFIG_HID_BATTERY_STRENGTH /* * Power supply information for HID devices which report - * battery strength. power_supply is registered iff - * battery.name is non-NULL. + * battery strength. power_supply was successfully registered if + * battery is non-NULL. */ - struct power_supply battery; + struct power_supply *battery; __s32 battery_min; __s32 battery_max; __s32 battery_report_type; diff --git a/include/linux/iio/buffer.h b/include/linux/iio/buffer.h index b65850a41127..eb8622b78ec9 100644 --- a/include/linux/iio/buffer.h +++ b/include/linux/iio/buffer.h @@ -21,8 +21,8 @@ struct iio_buffer; * struct iio_buffer_access_funcs - access functions for buffers. * @store_to: actually store stuff to the buffer * @read_first_n: try to get a specified number of bytes (must exist) - * @data_available: indicates whether data for reading from the buffer is - * available. + * @data_available: indicates how much data is available for reading from + * the buffer. * @request_update: if a parameter change has been marked, update underlying * storage. * @set_bytes_per_datum:set number of bytes per datum @@ -43,7 +43,7 @@ struct iio_buffer_access_funcs { int (*read_first_n)(struct iio_buffer *buffer, size_t n, char __user *buf); - bool (*data_available)(struct iio_buffer *buffer); + size_t (*data_available)(struct iio_buffer *buffer); int (*request_update)(struct iio_buffer *buffer); @@ -72,6 +72,7 @@ struct iio_buffer_access_funcs { * @demux_bounce: [INTERN] buffer for doing gather from incoming scan. * @buffer_list: [INTERN] entry in the devices list of current buffers. * @ref: [INTERN] reference count of the buffer. + * @watermark: [INTERN] number of datums to wait for poll/read. */ struct iio_buffer { int length; @@ -90,6 +91,7 @@ struct iio_buffer { void *demux_bounce; struct list_head buffer_list; struct kref ref; + unsigned int watermark; }; /** diff --git a/include/linux/iio/dac/max517.h b/include/linux/iio/dac/max517.h index f6d1d252f08d..7668716cd73c 100644 --- a/include/linux/iio/dac/max517.h +++ b/include/linux/iio/dac/max517.h @@ -9,7 +9,7 @@ #define IIO_DAC_MAX517_H_ struct max517_platform_data { - u16 vref_mv[2]; + u16 vref_mv[8]; }; #endif /* IIO_DAC_MAX517_H_ */ diff --git a/include/linux/iio/events.h b/include/linux/iio/events.h index 03fa332ad2a8..8ad87d1c5340 100644 --- a/include/linux/iio/events.h +++ b/include/linux/iio/events.h @@ -9,22 +9,8 @@ #ifndef _IIO_EVENTS_H_ #define _IIO_EVENTS_H_ -#include <linux/ioctl.h> -#include <linux/types.h> #include <linux/iio/types.h> - -/** - * struct iio_event_data - The actual event being pushed to userspace - * @id: event identifier - * @timestamp: best estimate of time of event occurrence (often from - * the interrupt handler) - */ -struct iio_event_data { - __u64 id; - __s64 timestamp; -}; - -#define IIO_GET_EVENT_FD_IOCTL _IOR('i', 0x90, int) +#include <uapi/linux/iio/events.h> /** * IIO_EVENT_CODE() - create event identifier @@ -70,18 +56,4 @@ struct iio_event_data { #define IIO_UNMOD_EVENT_CODE(chan_type, number, type, direction) \ IIO_EVENT_CODE(chan_type, 0, 0, direction, type, number, 0, 0) -#define IIO_EVENT_CODE_EXTRACT_TYPE(mask) ((mask >> 56) & 0xFF) - -#define IIO_EVENT_CODE_EXTRACT_DIR(mask) ((mask >> 48) & 0x7F) - -#define IIO_EVENT_CODE_EXTRACT_CHAN_TYPE(mask) ((mask >> 32) & 0xFF) - -/* Event code number extraction depends on which type of event we have. - * Perhaps review this function in the future*/ -#define IIO_EVENT_CODE_EXTRACT_CHAN(mask) ((__s16)(mask & 0xFFFF)) -#define IIO_EVENT_CODE_EXTRACT_CHAN2(mask) ((__s16)(((mask) >> 16) & 0xFFFF)) - -#define IIO_EVENT_CODE_EXTRACT_MODIFIER(mask) ((mask >> 40) & 0xFF) -#define IIO_EVENT_CODE_EXTRACT_DIFF(mask) (((mask) >> 55) & 0x1) - #endif diff --git a/include/linux/iio/iio.h b/include/linux/iio/iio.h index 80d855061064..d86b753e9b30 100644 --- a/include/linux/iio/iio.h +++ b/include/linux/iio/iio.h @@ -338,6 +338,16 @@ struct iio_dev; * provide a custom of_xlate function that reads the * *args* and returns the appropriate index in registered * IIO channels array. + * @hwfifo_set_watermark: function pointer to set the current hardware + * fifo watermark level; see hwfifo_* entries in + * Documentation/ABI/testing/sysfs-bus-iio for details on + * how the hardware fifo operates + * @hwfifo_flush_to_buffer: function pointer to flush the samples stored + * in the hardware fifo to the device buffer. The driver + * should not flush more than count samples. The function + * must return the number of samples flushed, 0 if no + * samples were flushed or a negative integer if no samples + * were flushed and there was an error. **/ struct iio_info { struct module *driver_module; @@ -399,6 +409,9 @@ struct iio_info { unsigned *readval); int (*of_xlate)(struct iio_dev *indio_dev, const struct of_phandle_args *iiospec); + int (*hwfifo_set_watermark)(struct iio_dev *indio_dev, unsigned val); + int (*hwfifo_flush_to_buffer)(struct iio_dev *indio_dev, + unsigned count); }; /** diff --git a/include/linux/iio/types.h b/include/linux/iio/types.h index 580ed5bdb3fa..942b6de68e2f 100644 --- a/include/linux/iio/types.h +++ b/include/linux/iio/types.h @@ -10,76 +10,7 @@ #ifndef _IIO_TYPES_H_ #define _IIO_TYPES_H_ -enum iio_chan_type { - IIO_VOLTAGE, - IIO_CURRENT, - IIO_POWER, - IIO_ACCEL, - IIO_ANGL_VEL, - IIO_MAGN, - IIO_LIGHT, - IIO_INTENSITY, - IIO_PROXIMITY, - IIO_TEMP, - IIO_INCLI, - IIO_ROT, - IIO_ANGL, - IIO_TIMESTAMP, - IIO_CAPACITANCE, - IIO_ALTVOLTAGE, - IIO_CCT, - IIO_PRESSURE, - IIO_HUMIDITYRELATIVE, - IIO_ACTIVITY, - IIO_STEPS, - IIO_ENERGY, - IIO_DISTANCE, - IIO_VELOCITY, -}; - -enum iio_modifier { - IIO_NO_MOD, - IIO_MOD_X, - IIO_MOD_Y, - IIO_MOD_Z, - IIO_MOD_X_AND_Y, - IIO_MOD_X_AND_Z, - IIO_MOD_Y_AND_Z, - IIO_MOD_X_AND_Y_AND_Z, - IIO_MOD_X_OR_Y, - IIO_MOD_X_OR_Z, - IIO_MOD_Y_OR_Z, - IIO_MOD_X_OR_Y_OR_Z, - IIO_MOD_LIGHT_BOTH, - IIO_MOD_LIGHT_IR, - IIO_MOD_ROOT_SUM_SQUARED_X_Y, - IIO_MOD_SUM_SQUARED_X_Y_Z, - IIO_MOD_LIGHT_CLEAR, - IIO_MOD_LIGHT_RED, - IIO_MOD_LIGHT_GREEN, - IIO_MOD_LIGHT_BLUE, - IIO_MOD_QUATERNION, - IIO_MOD_TEMP_AMBIENT, - IIO_MOD_TEMP_OBJECT, - IIO_MOD_NORTH_MAGN, - IIO_MOD_NORTH_TRUE, - IIO_MOD_NORTH_MAGN_TILT_COMP, - IIO_MOD_NORTH_TRUE_TILT_COMP, - IIO_MOD_RUNNING, - IIO_MOD_JOGGING, - IIO_MOD_WALKING, - IIO_MOD_STILL, - IIO_MOD_ROOT_SUM_SQUARED_X_Y_Z, -}; - -enum iio_event_type { - IIO_EV_TYPE_THRESH, - IIO_EV_TYPE_MAG, - IIO_EV_TYPE_ROC, - IIO_EV_TYPE_THRESH_ADAPTIVE, - IIO_EV_TYPE_MAG_ADAPTIVE, - IIO_EV_TYPE_CHANGE, -}; +#include <uapi/linux/iio/types.h> enum iio_event_info { IIO_EV_INFO_ENABLE, @@ -88,13 +19,6 @@ enum iio_event_info { IIO_EV_INFO_PERIOD, }; -enum iio_event_direction { - IIO_EV_DIR_EITHER, - IIO_EV_DIR_RISING, - IIO_EV_DIR_FALLING, - IIO_EV_DIR_NONE, -}; - #define IIO_VAL_INT 1 #define IIO_VAL_INT_PLUS_MICRO 2 #define IIO_VAL_INT_PLUS_NANO 3 diff --git a/include/linux/init.h b/include/linux/init.h index 2df8e8dd10a4..21b6d768edd7 100644 --- a/include/linux/init.h +++ b/include/linux/init.h @@ -253,21 +253,41 @@ struct obs_kernel_param { * obs_kernel_param "array" too far apart in .init.setup. */ #define __setup_param(str, unique_id, fn, early) \ - static const char __setup_str_##unique_id[] __initconst \ - __aligned(1) = str; \ - static struct obs_kernel_param __setup_##unique_id \ - __used __section(.init.setup) \ - __attribute__((aligned((sizeof(long))))) \ + static const char __setup_str_##unique_id[] __initconst \ + __aligned(1) = str; \ + static struct obs_kernel_param __setup_##unique_id \ + __used __section(.init.setup) \ + __attribute__((aligned((sizeof(long))))) \ = { __setup_str_##unique_id, fn, early } -#define __setup(str, fn) \ +#define __setup(str, fn) \ __setup_param(str, fn, fn, 0) -/* NOTE: fn is as per module_param, not __setup! Emits warning if fn - * returns non-zero. */ -#define early_param(str, fn) \ +/* + * NOTE: fn is as per module_param, not __setup! + * Emits warning if fn returns non-zero. + */ +#define early_param(str, fn) \ __setup_param(str, fn, fn, 1) +#define early_param_on_off(str_on, str_off, var, config) \ + \ + int var = IS_ENABLED(config); \ + \ + static int __init parse_##var##_on(char *arg) \ + { \ + var = 1; \ + return 0; \ + } \ + __setup_param(str_on, parse_##var##_on, parse_##var##_on, 1); \ + \ + static int __init parse_##var##_off(char *arg) \ + { \ + var = 0; \ + return 0; \ + } \ + __setup_param(str_off, parse_##var##_off, parse_##var##_off, 1) + /* Relies on boot_command_line being set */ void __init parse_early_param(void); void __init parse_early_options(char *cmdline); diff --git a/include/linux/intel_mid_dma.h b/include/linux/intel_mid_dma.h deleted file mode 100644 index 10496bd24c5c..000000000000 --- a/include/linux/intel_mid_dma.h +++ /dev/null @@ -1,76 +0,0 @@ -/* - * intel_mid_dma.h - Intel MID DMA Drivers - * - * Copyright (C) 2008-10 Intel Corp - * Author: Vinod Koul <vinod.koul@intel.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; version 2 of the License. - * - * 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 __INTEL_MID_DMA_H__ -#define __INTEL_MID_DMA_H__ - -#include <linux/dmaengine.h> - -#define DMA_PREP_CIRCULAR_LIST (1 << 10) - -/*DMA mode configurations*/ -enum intel_mid_dma_mode { - LNW_DMA_PER_TO_MEM = 0, /*periphral to memory configuration*/ - LNW_DMA_MEM_TO_PER, /*memory to periphral configuration*/ - LNW_DMA_MEM_TO_MEM, /*mem to mem confg (testing only)*/ -}; - -/*DMA handshaking*/ -enum intel_mid_dma_hs_mode { - LNW_DMA_HW_HS = 0, /*HW Handshaking only*/ - LNW_DMA_SW_HS = 1, /*SW Handshaking not recommended*/ -}; - -/*Burst size configuration*/ -enum intel_mid_dma_msize { - LNW_DMA_MSIZE_1 = 0x0, - LNW_DMA_MSIZE_4 = 0x1, - LNW_DMA_MSIZE_8 = 0x2, - LNW_DMA_MSIZE_16 = 0x3, - LNW_DMA_MSIZE_32 = 0x4, - LNW_DMA_MSIZE_64 = 0x5, -}; - -/** - * struct intel_mid_dma_slave - DMA slave structure - * - * @dirn: DMA trf direction - * @src_width: tx register width - * @dst_width: rx register width - * @hs_mode: HW/SW handshaking mode - * @cfg_mode: DMA data transfer mode (per-per/mem-per/mem-mem) - * @src_msize: Source DMA burst size - * @dst_msize: Dst DMA burst size - * @per_addr: Periphral address - * @device_instance: DMA peripheral device instance, we can have multiple - * peripheral device connected to single DMAC - */ -struct intel_mid_dma_slave { - enum intel_mid_dma_hs_mode hs_mode; /*handshaking*/ - enum intel_mid_dma_mode cfg_mode; /*mode configuration*/ - unsigned int device_instance; /*0, 1 for periphral instance*/ - struct dma_slave_config dma_slave; -}; - -#endif /*__INTEL_MID_DMA_H__*/ diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h index d9b05b5bf8c7..950ae4501826 100644 --- a/include/linux/interrupt.h +++ b/include/linux/interrupt.h @@ -39,8 +39,6 @@ * These flags used only by the kernel as part of the * irq handling routines. * - * IRQF_DISABLED - keep irqs disabled when calling the action handler. - * DEPRECATED. This flag is a NOOP and scheduled to be removed * IRQF_SHARED - allow sharing the irq among several devices * IRQF_PROBE_SHARED - set by callers when they expect sharing mismatches to occur * IRQF_TIMER - Flag to mark this interrupt as timer interrupt @@ -52,13 +50,18 @@ * IRQF_ONESHOT - Interrupt is not reenabled after the hardirq handler finished. * Used by threaded interrupts which need to keep the * irq line disabled until the threaded handler has been run. - * IRQF_NO_SUSPEND - Do not disable this IRQ during suspend + * IRQF_NO_SUSPEND - Do not disable this IRQ during suspend. Does not guarantee + * that this interrupt will wake the system from a suspended + * state. See Documentation/power/suspend-and-interrupts.txt * IRQF_FORCE_RESUME - Force enable it on resume even if IRQF_NO_SUSPEND is set * IRQF_NO_THREAD - Interrupt cannot be threaded * IRQF_EARLY_RESUME - Resume IRQ early during syscore instead of at device * resume time. + * IRQF_COND_SUSPEND - If the IRQ is shared with a NO_SUSPEND user, execute this + * interrupt handler after suspending interrupts. For system + * wakeup devices users need to implement wakeup detection in + * their interrupt handlers. */ -#define IRQF_DISABLED 0x00000020 #define IRQF_SHARED 0x00000080 #define IRQF_PROBE_SHARED 0x00000100 #define __IRQF_TIMER 0x00000200 @@ -70,6 +73,7 @@ #define IRQF_FORCE_RESUME 0x00008000 #define IRQF_NO_THREAD 0x00010000 #define IRQF_EARLY_RESUME 0x00020000 +#define IRQF_COND_SUSPEND 0x00040000 #define IRQF_TIMER (__IRQF_TIMER | IRQF_NO_SUSPEND | IRQF_NO_THREAD) @@ -184,6 +188,7 @@ extern void devm_free_irq(struct device *dev, unsigned int irq, void *dev_id); #endif extern void disable_irq_nosync(unsigned int irq); +extern bool disable_hardirq(unsigned int irq); extern void disable_irq(unsigned int irq); extern void disable_percpu_irq(unsigned int irq); extern void enable_irq(unsigned int irq); @@ -356,6 +361,20 @@ static inline int disable_irq_wake(unsigned int irq) return irq_set_irq_wake(irq, 0); } +/* + * irq_get_irqchip_state/irq_set_irqchip_state specific flags + */ +enum irqchip_irq_state { + IRQCHIP_STATE_PENDING, /* Is interrupt pending? */ + IRQCHIP_STATE_ACTIVE, /* Is interrupt in progress? */ + IRQCHIP_STATE_MASKED, /* Is interrupt masked? */ + IRQCHIP_STATE_LINE_LEVEL, /* Is IRQ line high? */ +}; + +extern int irq_get_irqchip_state(unsigned int irq, enum irqchip_irq_state which, + bool *state); +extern int irq_set_irqchip_state(unsigned int irq, enum irqchip_irq_state which, + bool state); #ifdef CONFIG_IRQ_FORCED_THREADING extern bool force_irqthreads; diff --git a/include/linux/irq.h b/include/linux/irq.h index d09ec7a1243e..62c6901cab55 100644 --- a/include/linux/irq.h +++ b/include/linux/irq.h @@ -30,6 +30,7 @@ struct seq_file; struct module; struct msi_msg; +enum irqchip_irq_state; /* * IRQ line status. @@ -324,6 +325,8 @@ static inline irq_hw_number_t irqd_to_hwirq(struct irq_data *d) * irq_request_resources * @irq_compose_msi_msg: optional to compose message content for MSI * @irq_write_msi_msg: optional to write message content for MSI + * @irq_get_irqchip_state: return the internal state of an interrupt + * @irq_set_irqchip_state: set the internal state of a interrupt * @flags: chip specific flags */ struct irq_chip { @@ -363,6 +366,9 @@ struct irq_chip { void (*irq_compose_msi_msg)(struct irq_data *data, struct msi_msg *msg); void (*irq_write_msi_msg)(struct irq_data *data, struct msi_msg *msg); + int (*irq_get_irqchip_state)(struct irq_data *data, enum irqchip_irq_state which, bool *state); + int (*irq_set_irqchip_state)(struct irq_data *data, enum irqchip_irq_state which, bool state); + unsigned long flags; }; @@ -460,6 +466,7 @@ extern void irq_chip_eoi_parent(struct irq_data *data); extern int irq_chip_set_affinity_parent(struct irq_data *data, const struct cpumask *dest, bool force); +extern int irq_chip_set_wake_parent(struct irq_data *data, unsigned int on); #endif /* Handling of unhandled and spurious interrupts: */ diff --git a/include/linux/irq_work.h b/include/linux/irq_work.h index bf3fe719c7ce..47b9ebd4a74f 100644 --- a/include/linux/irq_work.h +++ b/include/linux/irq_work.h @@ -38,16 +38,17 @@ bool irq_work_queue(struct irq_work *work); bool irq_work_queue_on(struct irq_work *work, int cpu); #endif -void irq_work_run(void); void irq_work_tick(void); void irq_work_sync(struct irq_work *work); #ifdef CONFIG_IRQ_WORK #include <asm/irq_work.h> +void irq_work_run(void); bool irq_work_needs_cpu(void); #else static inline bool irq_work_needs_cpu(void) { return false; } +static inline void irq_work_run(void) { } #endif #endif /* _LINUX_IRQ_WORK_H */ diff --git a/include/linux/irqchip/arm-gic-v3.h b/include/linux/irqchip/arm-gic-v3.h index 800544bc7bfd..ffbc034c8810 100644 --- a/include/linux/irqchip/arm-gic-v3.h +++ b/include/linux/irqchip/arm-gic-v3.h @@ -126,8 +126,23 @@ #define GICR_PROPBASER_WaWb (5U << 7) #define GICR_PROPBASER_RaWaWt (6U << 7) #define GICR_PROPBASER_RaWaWb (7U << 7) +#define GICR_PROPBASER_CACHEABILITY_MASK (7U << 7) #define GICR_PROPBASER_IDBITS_MASK (0x1f) +#define GICR_PENDBASER_NonShareable (0U << 10) +#define GICR_PENDBASER_InnerShareable (1U << 10) +#define GICR_PENDBASER_OuterShareable (2U << 10) +#define GICR_PENDBASER_SHAREABILITY_MASK (3UL << 10) +#define GICR_PENDBASER_nCnB (0U << 7) +#define GICR_PENDBASER_nC (1U << 7) +#define GICR_PENDBASER_RaWt (2U << 7) +#define GICR_PENDBASER_RaWb (3U << 7) +#define GICR_PENDBASER_WaWt (4U << 7) +#define GICR_PENDBASER_WaWb (5U << 7) +#define GICR_PENDBASER_RaWaWt (6U << 7) +#define GICR_PENDBASER_RaWaWb (7U << 7) +#define GICR_PENDBASER_CACHEABILITY_MASK (7U << 7) + /* * Re-Distributor registers, offsets from SGI_base */ @@ -166,6 +181,11 @@ #define GITS_TRANSLATER 0x10040 +#define GITS_CTLR_ENABLE (1U << 0) +#define GITS_CTLR_QUIESCENT (1U << 31) + +#define GITS_TYPER_DEVBITS_SHIFT 13 +#define GITS_TYPER_DEVBITS(r) ((((r) >> GITS_TYPER_DEVBITS_SHIFT) & 0x1f) + 1) #define GITS_TYPER_PTA (1UL << 19) #define GITS_CBASER_VALID (1UL << 63) @@ -177,6 +197,7 @@ #define GITS_CBASER_WaWb (5UL << 59) #define GITS_CBASER_RaWaWt (6UL << 59) #define GITS_CBASER_RaWaWb (7UL << 59) +#define GITS_CBASER_CACHEABILITY_MASK (7UL << 59) #define GITS_CBASER_NonShareable (0UL << 10) #define GITS_CBASER_InnerShareable (1UL << 10) #define GITS_CBASER_OuterShareable (2UL << 10) @@ -193,6 +214,7 @@ #define GITS_BASER_WaWb (5UL << 59) #define GITS_BASER_RaWaWt (6UL << 59) #define GITS_BASER_RaWaWb (7UL << 59) +#define GITS_BASER_CACHEABILITY_MASK (7UL << 59) #define GITS_BASER_TYPE_SHIFT (56) #define GITS_BASER_TYPE(r) (((r) >> GITS_BASER_TYPE_SHIFT) & 7) #define GITS_BASER_ENTRY_SIZE_SHIFT (48) diff --git a/include/linux/irqchip/arm-gic.h b/include/linux/irqchip/arm-gic.h index 71d706d5f169..36ec4ae74634 100644 --- a/include/linux/irqchip/arm-gic.h +++ b/include/linux/irqchip/arm-gic.h @@ -97,6 +97,7 @@ struct device_node; extern struct irq_chip gic_arch_extn; +void gic_set_irqchip_flags(unsigned long flags); void gic_init_bases(unsigned int, int, void __iomem *, void __iomem *, u32 offset, struct device_node *); void gic_cascade_irq(unsigned int gic_nr, unsigned int irq); @@ -115,11 +116,5 @@ int gic_get_cpu_id(unsigned int cpu); void gic_migrate_target(unsigned int new_cpu_id); unsigned long gic_get_sgir_physaddr(void); -extern const struct irq_domain_ops *gic_routable_irq_domain_ops; -static inline void __init register_routable_domain_ops - (const struct irq_domain_ops *ops) -{ - gic_routable_irq_domain_ops = ops; -} #endif /* __ASSEMBLY */ #endif diff --git a/include/linux/irqchip/irq-crossbar.h b/include/linux/irqchip/irq-crossbar.h deleted file mode 100644 index e5537b81df8d..000000000000 --- a/include/linux/irqchip/irq-crossbar.h +++ /dev/null @@ -1,11 +0,0 @@ -/* - * drivers/irqchip/irq-crossbar.h - * - * Copyright (C) 2013 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 version 2 as - * published by the Free Software Foundation. - * - */ -int irqcrossbar_init(void); diff --git a/include/linux/irqchip/mips-gic.h b/include/linux/irqchip/mips-gic.h index e6a6aac451db..3ea2e4754c40 100644 --- a/include/linux/irqchip/mips-gic.h +++ b/include/linux/irqchip/mips-gic.h @@ -240,6 +240,8 @@ extern unsigned int gic_get_count_width(void); extern cycle_t gic_read_compare(void); extern void gic_write_compare(cycle_t cnt); extern void gic_write_cpu_compare(cycle_t cnt, int cpu); +extern void gic_start_count(void); +extern void gic_stop_count(void); extern void gic_send_ipi(unsigned int intr); extern unsigned int plat_ipi_call_int_xlate(unsigned int); extern unsigned int plat_ipi_resched_int_xlate(unsigned int); diff --git a/include/linux/irqdesc.h b/include/linux/irqdesc.h index faf433af425e..dd1109fb241e 100644 --- a/include/linux/irqdesc.h +++ b/include/linux/irqdesc.h @@ -78,6 +78,7 @@ struct irq_desc { #ifdef CONFIG_PM_SLEEP unsigned int nr_actions; unsigned int no_suspend_depth; + unsigned int cond_suspend_depth; unsigned int force_resume_depth; #endif #ifdef CONFIG_PROC_FS diff --git a/include/linux/irqflags.h b/include/linux/irqflags.h index d176d658fe25..5dd1272d1ab2 100644 --- a/include/linux/irqflags.h +++ b/include/linux/irqflags.h @@ -85,7 +85,7 @@ * The local_irq_*() APIs are equal to the raw_local_irq*() * if !TRACE_IRQFLAGS. */ -#ifdef CONFIG_TRACE_IRQFLAGS_SUPPORT +#ifdef CONFIG_TRACE_IRQFLAGS #define local_irq_enable() \ do { trace_hardirqs_on(); raw_local_irq_enable(); } while (0) #define local_irq_disable() \ @@ -107,22 +107,6 @@ raw_local_irq_restore(flags); \ } \ } while (0) -#define local_save_flags(flags) \ - do { \ - raw_local_save_flags(flags); \ - } while (0) - -#define irqs_disabled_flags(flags) \ - ({ \ - raw_irqs_disabled_flags(flags); \ - }) - -#define irqs_disabled() \ - ({ \ - unsigned long _flags; \ - raw_local_save_flags(_flags); \ - raw_irqs_disabled_flags(_flags); \ - }) #define safe_halt() \ do { \ @@ -131,7 +115,7 @@ } while (0) -#else /* !CONFIG_TRACE_IRQFLAGS_SUPPORT */ +#else /* !CONFIG_TRACE_IRQFLAGS */ #define local_irq_enable() do { raw_local_irq_enable(); } while (0) #define local_irq_disable() do { raw_local_irq_disable(); } while (0) @@ -140,11 +124,28 @@ raw_local_irq_save(flags); \ } while (0) #define local_irq_restore(flags) do { raw_local_irq_restore(flags); } while (0) -#define local_save_flags(flags) do { raw_local_save_flags(flags); } while (0) -#define irqs_disabled() (raw_irqs_disabled()) -#define irqs_disabled_flags(flags) (raw_irqs_disabled_flags(flags)) #define safe_halt() do { raw_safe_halt(); } while (0) +#endif /* CONFIG_TRACE_IRQFLAGS */ + +#define local_save_flags(flags) raw_local_save_flags(flags) + +/* + * Some architectures don't define arch_irqs_disabled(), so even if either + * definition would be fine we need to use different ones for the time being + * to avoid build issues. + */ +#ifdef CONFIG_TRACE_IRQFLAGS_SUPPORT +#define irqs_disabled() \ + ({ \ + unsigned long _flags; \ + raw_local_save_flags(_flags); \ + raw_irqs_disabled_flags(_flags); \ + }) +#else /* !CONFIG_TRACE_IRQFLAGS_SUPPORT */ +#define irqs_disabled() raw_irqs_disabled() #endif /* CONFIG_TRACE_IRQFLAGS_SUPPORT */ +#define irqs_disabled_flags(flags) raw_irqs_disabled_flags(flags) + #endif diff --git a/include/linux/jump_label.h b/include/linux/jump_label.h index 98f923b6a0ea..f4de473f226b 100644 --- a/include/linux/jump_label.h +++ b/include/linux/jump_label.h @@ -45,6 +45,12 @@ * same as using STATIC_KEY_INIT_FALSE. */ +#if defined(CC_HAVE_ASM_GOTO) && defined(CONFIG_JUMP_LABEL) +# define HAVE_JUMP_LABEL +#endif + +#ifndef __ASSEMBLY__ + #include <linux/types.h> #include <linux/compiler.h> #include <linux/bug.h> @@ -55,7 +61,7 @@ extern bool static_key_initialized; "%s used before call to jump_label_init", \ __func__) -#if defined(CC_HAVE_ASM_GOTO) && defined(CONFIG_JUMP_LABEL) +#ifdef HAVE_JUMP_LABEL struct static_key { atomic_t enabled; @@ -66,13 +72,18 @@ struct static_key { #endif }; -# include <asm/jump_label.h> -# define HAVE_JUMP_LABEL #else struct static_key { atomic_t enabled; }; -#endif /* CC_HAVE_ASM_GOTO && CONFIG_JUMP_LABEL */ +#endif /* HAVE_JUMP_LABEL */ +#endif /* __ASSEMBLY__ */ + +#ifdef HAVE_JUMP_LABEL +#include <asm/jump_label.h> +#endif + +#ifndef __ASSEMBLY__ enum jump_label_type { JUMP_LABEL_DISABLE = 0, @@ -203,3 +214,5 @@ static inline bool static_key_enabled(struct static_key *key) } #endif /* _LINUX_JUMP_LABEL_H */ + +#endif /* __ASSEMBLY__ */ diff --git a/include/linux/kasan.h b/include/linux/kasan.h index 72ba725ddf9c..5bb074431eb0 100644 --- a/include/linux/kasan.h +++ b/include/linux/kasan.h @@ -5,6 +5,7 @@ struct kmem_cache; struct page; +struct vm_struct; #ifdef CONFIG_KASAN @@ -49,15 +50,11 @@ void kasan_krealloc(const void *object, size_t new_size); void kasan_slab_alloc(struct kmem_cache *s, void *object); void kasan_slab_free(struct kmem_cache *s, void *object); -#define MODULE_ALIGN (PAGE_SIZE << KASAN_SHADOW_SCALE_SHIFT) - int kasan_module_alloc(void *addr, size_t size); -void kasan_module_free(void *addr); +void kasan_free_shadow(const struct vm_struct *vm); #else /* CONFIG_KASAN */ -#define MODULE_ALIGN 1 - static inline void kasan_unpoison_shadow(const void *address, size_t size) {} static inline void kasan_enable_current(void) {} @@ -82,7 +79,7 @@ static inline void kasan_slab_alloc(struct kmem_cache *s, void *object) {} static inline void kasan_slab_free(struct kmem_cache *s, void *object) {} static inline int kasan_module_alloc(void *addr, size_t size) { return 0; } -static inline void kasan_module_free(void *addr) {} +static inline void kasan_free_shadow(const struct vm_struct *vm) {} #endif /* CONFIG_KASAN */ diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h index d12b2104d19b..ad45054309a0 100644 --- a/include/linux/kvm_host.h +++ b/include/linux/kvm_host.h @@ -165,12 +165,12 @@ enum kvm_bus { KVM_NR_BUSES }; -int kvm_io_bus_write(struct kvm *kvm, enum kvm_bus bus_idx, gpa_t addr, +int kvm_io_bus_write(struct kvm_vcpu *vcpu, enum kvm_bus bus_idx, gpa_t addr, int len, const void *val); -int kvm_io_bus_write_cookie(struct kvm *kvm, enum kvm_bus bus_idx, gpa_t addr, - int len, const void *val, long cookie); -int kvm_io_bus_read(struct kvm *kvm, enum kvm_bus bus_idx, gpa_t addr, int len, - void *val); +int kvm_io_bus_write_cookie(struct kvm_vcpu *vcpu, enum kvm_bus bus_idx, + gpa_t addr, int len, const void *val, long cookie); +int kvm_io_bus_read(struct kvm_vcpu *vcpu, enum kvm_bus bus_idx, gpa_t addr, + int len, void *val); int kvm_io_bus_register_dev(struct kvm *kvm, enum kvm_bus bus_idx, gpa_t addr, int len, struct kvm_io_device *dev); int kvm_io_bus_unregister_dev(struct kvm *kvm, enum kvm_bus bus_idx, @@ -658,7 +658,6 @@ int kvm_arch_vcpu_runnable(struct kvm_vcpu *vcpu); int kvm_arch_vcpu_should_kick(struct kvm_vcpu *vcpu); void *kvm_kvzalloc(unsigned long size); -void kvm_kvfree(const void *addr); #ifndef __KVM_HAVE_ARCH_VM_ALLOC static inline struct kvm *kvm_arch_alloc_vm(void) @@ -700,6 +699,20 @@ static inline wait_queue_head_t *kvm_arch_vcpu_wq(struct kvm_vcpu *vcpu) #endif } +#ifdef __KVM_HAVE_ARCH_INTC_INITIALIZED +/* + * returns true if the virtual interrupt controller is initialized and + * ready to accept virtual IRQ. On some architectures the virtual interrupt + * controller is dynamically instantiated and this is not always true. + */ +bool kvm_arch_intc_initialized(struct kvm *kvm); +#else +static inline bool kvm_arch_intc_initialized(struct kvm *kvm) +{ + return true; +} +#endif + int kvm_arch_init_vm(struct kvm *kvm, unsigned long type); void kvm_arch_destroy_vm(struct kvm *kvm); void kvm_arch_sync_events(struct kvm *kvm); @@ -766,7 +779,8 @@ static inline void kvm_guest_enter(void) * one time slice). Lets treat guest mode as quiescent state, just like * we do with user-mode execution. */ - rcu_virt_note_context_switch(smp_processor_id()); + if (!context_tracking_cpu_is_enabled()) + rcu_virt_note_context_switch(smp_processor_id()); } static inline void kvm_guest_exit(void) @@ -969,11 +983,16 @@ static inline int kvm_ioeventfd(struct kvm *kvm, struct kvm_ioeventfd *args) #endif /* CONFIG_HAVE_KVM_EVENTFD */ #ifdef CONFIG_KVM_APIC_ARCHITECTURE -static inline bool kvm_vcpu_is_bsp(struct kvm_vcpu *vcpu) +static inline bool kvm_vcpu_is_reset_bsp(struct kvm_vcpu *vcpu) { return vcpu->kvm->bsp_vcpu_id == vcpu->vcpu_id; } +static inline bool kvm_vcpu_is_bsp(struct kvm_vcpu *vcpu) +{ + return (vcpu->arch.apic_base & MSR_IA32_APICBASE_BSP) != 0; +} + bool kvm_vcpu_compatible(struct kvm_vcpu *vcpu); #else diff --git a/include/linux/lcm.h b/include/linux/lcm.h index 7bf01d779b45..1ce79a7f1daa 100644 --- a/include/linux/lcm.h +++ b/include/linux/lcm.h @@ -4,5 +4,6 @@ #include <linux/compiler.h> unsigned long lcm(unsigned long a, unsigned long b) __attribute_const__; +unsigned long lcm_not_zero(unsigned long a, unsigned long b) __attribute_const__; #endif /* _LCM_H */ diff --git a/include/linux/libata.h b/include/linux/libata.h index fc03efa64ffe..8dad4a307bb8 100644 --- a/include/linux/libata.h +++ b/include/linux/libata.h @@ -231,7 +231,7 @@ enum { ATA_FLAG_SW_ACTIVITY = (1 << 22), /* driver supports sw activity * led */ ATA_FLAG_NO_DIPM = (1 << 23), /* host not happy with DIPM */ - ATA_FLAG_LOWTAG = (1 << 24), /* host wants lowest available tag */ + ATA_FLAG_SAS_HOST = (1 << 24), /* SAS host */ /* bits 24:31 of ap->flags are reserved for LLD specific flags */ diff --git a/include/linux/livepatch.h b/include/linux/livepatch.h index 95023fd8b00d..ee6dbb39a809 100644 --- a/include/linux/livepatch.h +++ b/include/linux/livepatch.h @@ -123,10 +123,10 @@ struct klp_patch { enum klp_state state; }; -extern int klp_register_patch(struct klp_patch *); -extern int klp_unregister_patch(struct klp_patch *); -extern int klp_enable_patch(struct klp_patch *); -extern int klp_disable_patch(struct klp_patch *); +int klp_register_patch(struct klp_patch *); +int klp_unregister_patch(struct klp_patch *); +int klp_enable_patch(struct klp_patch *); +int klp_disable_patch(struct klp_patch *); #endif /* CONFIG_LIVEPATCH */ diff --git a/include/linux/lockdep.h b/include/linux/lockdep.h index 74ab23176e9b..066ba4157541 100644 --- a/include/linux/lockdep.h +++ b/include/linux/lockdep.h @@ -531,8 +531,13 @@ do { \ # define might_lock_read(lock) do { } while (0) #endif -#ifdef CONFIG_PROVE_RCU +#ifdef CONFIG_LOCKDEP void lockdep_rcu_suspicious(const char *file, const int line, const char *s); +#else +static inline void +lockdep_rcu_suspicious(const char *file, const int line, const char *s) +{ +} #endif #endif /* __LINUX_LOCKDEP_H */ diff --git a/include/linux/mfd/abx500/ux500_chargalg.h b/include/linux/mfd/abx500/ux500_chargalg.h index 234c99143bf7..67703f23e7ba 100644 --- a/include/linux/mfd/abx500/ux500_chargalg.h +++ b/include/linux/mfd/abx500/ux500_chargalg.h @@ -9,8 +9,13 @@ #include <linux/power_supply.h> -#define psy_to_ux500_charger(x) container_of((x), \ - struct ux500_charger, psy) +/* + * Valid only for supplies of type: + * - POWER_SUPPLY_TYPE_MAINS, + * - POWER_SUPPLY_TYPE_USB, + * because only them store as drv_data pointer to struct ux500_charger. + */ +#define psy_to_ux500_charger(x) power_supply_get_drvdata(psy) /* Forward declaration */ struct ux500_charger; @@ -35,7 +40,7 @@ struct ux500_charger_ops { * @power_path USB power path support */ struct ux500_charger { - struct power_supply psy; + struct power_supply *psy; struct ux500_charger_ops ops; int max_out_volt; int max_out_curr; diff --git a/include/linux/mfd/max77693.h b/include/linux/mfd/max77693.h index f0b6585cd874..09a4dedaeea8 100644 --- a/include/linux/mfd/max77693.h +++ b/include/linux/mfd/max77693.h @@ -30,7 +30,7 @@ #ifndef __LINUX_MFD_MAX77693_H #define __LINUX_MFD_MAX77693_H -/* MAX77686 regulator IDs */ +/* MAX77693 regulator IDs */ enum max77693_regulators { MAX77693_ESAFEOUT1 = 0, MAX77693_ESAFEOUT2, @@ -38,12 +38,6 @@ enum max77693_regulators { MAX77693_REG_MAX, }; -struct max77693_regulator_data { - int id; - struct regulator_init_data *initdata; - struct device_node *of_node; -}; - struct max77693_reg_data { u8 addr; u8 data; @@ -103,10 +97,6 @@ struct max77693_led_platform_data { /* MAX77693 */ struct max77693_platform_data { - /* regulator data */ - struct max77693_regulator_data *regulators; - int num_regulators; - /* muic data */ struct max77693_muic_platform_data *muic_data; struct max77693_led_platform_data *led_data; diff --git a/include/linux/mfd/palmas.h b/include/linux/mfd/palmas.h index fb0390a1a498..bb270bd03eed 100644 --- a/include/linux/mfd/palmas.h +++ b/include/linux/mfd/palmas.h @@ -117,6 +117,7 @@ struct palmas_pmic_driver_data { int ldo_begin; int ldo_end; int max_reg; + bool has_regen3; struct palmas_regs_info *palmas_regs_info; struct of_regulator_match *palmas_matches; struct palmas_sleep_requestor_info *sleep_req_info; @@ -2999,6 +3000,9 @@ enum usb_irq_events { #define PALMAS_GPADC_TRIM15 0x0E #define PALMAS_GPADC_TRIM16 0x0F +/* TPS659038 regen2_ctrl offset iss different from palmas */ +#define TPS659038_REGEN2_CTRL 0x12 + /* TPS65917 Interrupt registers */ /* Registers for function INTERRUPT */ diff --git a/include/linux/mfd/rt5033.h b/include/linux/mfd/rt5033.h index 010cff49a98e..6cff5cf458d2 100644 --- a/include/linux/mfd/rt5033.h +++ b/include/linux/mfd/rt5033.h @@ -39,7 +39,7 @@ struct rt5033_battery { struct i2c_client *client; struct rt5033_dev *rt5033; struct regmap *regmap; - struct power_supply psy; + struct power_supply *psy; }; /* RT5033 charger platform data */ diff --git a/include/linux/mfd/stw481x.h b/include/linux/mfd/stw481x.h index eda121556e5d..833074b766bd 100644 --- a/include/linux/mfd/stw481x.h +++ b/include/linux/mfd/stw481x.h @@ -41,15 +41,11 @@ /** * struct stw481x - state holder for the Stw481x drivers - * @mutex: mutex to serialize I2C accesses * @i2c_client: corresponding I2C client - * @regulator: regulator device for regulator children * @map: regmap handle to access device registers */ struct stw481x { - struct mutex lock; struct i2c_client *client; - struct regulator_dev *vmmc_regulator; struct regmap *map; }; diff --git a/include/linux/mfd/syscon/exynos5-pmu.h b/include/linux/mfd/syscon/exynos5-pmu.h index 00ef24bf6ede..9352adc95de6 100644 --- a/include/linux/mfd/syscon/exynos5-pmu.h +++ b/include/linux/mfd/syscon/exynos5-pmu.h @@ -36,6 +36,9 @@ #define EXYNOS5420_MTCADC_PHY_CONTROL (0x724) #define EXYNOS5420_DPTX_PHY_CONTROL (0x728) +/* Exynos5433 specific register definitions */ +#define EXYNOS5433_USBHOST30_PHY_CONTROL (0x728) + #define EXYNOS5_PHY_ENABLE BIT(0) #define EXYNOS5_MIPI_PHY_S_RESETN BIT(1) diff --git a/include/linux/mfd/wm8350/supply.h b/include/linux/mfd/wm8350/supply.h index 2b9479310bbd..8dc93673e34a 100644 --- a/include/linux/mfd/wm8350/supply.h +++ b/include/linux/mfd/wm8350/supply.h @@ -123,9 +123,9 @@ struct wm8350_charger_policy { struct wm8350_power { struct platform_device *pdev; - struct power_supply battery; - struct power_supply usb; - struct power_supply ac; + struct power_supply *battery; + struct power_supply *usb; + struct power_supply *ac; struct wm8350_charger_policy *policy; int rev_g_coeff; diff --git a/include/linux/mlx4/qp.h b/include/linux/mlx4/qp.h index 2bbc62aa818a..551f85456c11 100644 --- a/include/linux/mlx4/qp.h +++ b/include/linux/mlx4/qp.h @@ -427,7 +427,7 @@ struct mlx4_wqe_inline_seg { enum mlx4_update_qp_attr { MLX4_UPDATE_QP_SMAC = 1 << 0, - MLX4_UPDATE_QP_VSD = 1 << 2, + MLX4_UPDATE_QP_VSD = 1 << 1, MLX4_UPDATE_QP_SUPPORTED_ATTRS = (1 << 2) - 1 }; diff --git a/include/linux/mmc/core.h b/include/linux/mmc/core.h index 160448f920ac..de722d4e9d61 100644 --- a/include/linux/mmc/core.h +++ b/include/linux/mmc/core.h @@ -79,7 +79,7 @@ struct mmc_command { #define mmc_cmd_type(cmd) ((cmd)->flags & MMC_CMD_MASK) unsigned int retries; /* max number of retries */ - unsigned int error; /* command error */ + int error; /* command error */ /* * Standard errno values are used for errors, but some have specific @@ -108,7 +108,7 @@ struct mmc_data { unsigned int timeout_clks; /* data timeout (in clocks) */ unsigned int blksz; /* data block size */ unsigned int blocks; /* number of blocks */ - unsigned int error; /* data error */ + int error; /* data error */ unsigned int flags; #define MMC_DATA_WRITE (1 << 8) diff --git a/include/linux/mmc/dw_mmc.h b/include/linux/mmc/dw_mmc.h index 471fb3116dbe..12111993a317 100644 --- a/include/linux/mmc/dw_mmc.h +++ b/include/linux/mmc/dw_mmc.h @@ -44,6 +44,7 @@ struct mmc_data; * struct dw_mci - MMC controller state shared between all slots * @lock: Spinlock protecting the queue and associated data. * @regs: Pointer to MMIO registers. + * @fifo_reg: Pointer to MMIO registers for data FIFO * @sg: Scatterlist entry currently being processed by PIO code, if any. * @sg_miter: PIO mapping scatterlist iterator. * @cur_slot: The slot which is currently using the controller. @@ -79,7 +80,6 @@ struct mmc_data; * @current_speed: Configured rate of the controller. * @num_slots: Number of slots available. * @verid: Denote Version ID. - * @data_offset: Set the offset of DATA register according to VERID. * @dev: Device associated with the MMC controller. * @pdata: Platform data associated with the MMC controller. * @drv_data: Driver specific data for identified variant of the controller @@ -132,6 +132,7 @@ struct dw_mci { spinlock_t lock; spinlock_t irq_lock; void __iomem *regs; + void __iomem *fifo_reg; struct scatterlist *sg; struct sg_mapping_iter sg_miter; @@ -172,7 +173,6 @@ struct dw_mci { u32 num_slots; u32 fifoth_val; u16 verid; - u16 data_offset; struct device *dev; struct dw_mci_board *pdata; const struct dw_mci_drv_data *drv_data; @@ -202,6 +202,8 @@ struct dw_mci { int irq; int sdio_id0; + + struct timer_list cmd11_timer; }; /* DMA ops for Internal/External DMAC interface */ diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h index 0c8cbe5d1550..b5bedaec6223 100644 --- a/include/linux/mmc/host.h +++ b/include/linux/mmc/host.h @@ -80,12 +80,6 @@ struct mmc_ios { struct mmc_host_ops { /* - * 'enable' is called when the host is claimed and 'disable' is called - * when the host is released. 'enable' and 'disable' are deprecated. - */ - int (*enable)(struct mmc_host *host); - int (*disable)(struct mmc_host *host); - /* * It is optional for the host to implement pre_req and post_req in * order to support double buffering of requests (prepare one * request while another request is active). diff --git a/include/linux/mmc/sdhci-spear.h b/include/linux/mmc/sdhci-spear.h deleted file mode 100644 index 8cc095a76cf8..000000000000 --- a/include/linux/mmc/sdhci-spear.h +++ /dev/null @@ -1,34 +0,0 @@ -/* - * include/linux/mmc/sdhci-spear.h - * - * SDHCI declarations specific to ST SPEAr platform - * - * Copyright (C) 2010 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> - * - * This file is licensed under the terms of the GNU General Public - * License version 2. This program is licensed "as is" without any - * warranty of any kind, whether express or implied. - */ - -#ifndef LINUX_MMC_SDHCI_SPEAR_H -#define LINUX_MMC_SDHCI_SPEAR_H - -#include <linux/platform_device.h> -/* - * struct sdhci_plat_data: spear sdhci platform data structure - * - * card_int_gpio: gpio pin used for card detection - */ -struct sdhci_plat_data { - int card_int_gpio; -}; - -/* This function is used to set platform_data field of pdev->dev */ -static inline void -sdhci_set_plat_data(struct platform_device *pdev, struct sdhci_plat_data *data) -{ - pdev->dev.platform_data = data; -} - -#endif /* LINUX_MMC_SDHCI_SPEAR_H */ diff --git a/include/linux/mmc/sdhci.h b/include/linux/mmc/sdhci.h deleted file mode 100644 index c3e3db196738..000000000000 --- a/include/linux/mmc/sdhci.h +++ /dev/null @@ -1,218 +0,0 @@ -/* - * linux/include/linux/mmc/sdhci.h - Secure Digital Host Controller Interface - * - * Copyright (C) 2005-2008 Pierre Ossman, All Rights Reserved. - * - * 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_MMC_SDHCI_H -#define LINUX_MMC_SDHCI_H - -#include <linux/scatterlist.h> -#include <linux/compiler.h> -#include <linux/types.h> -#include <linux/io.h> -#include <linux/mmc/host.h> - -struct sdhci_host_next { - unsigned int sg_count; - s32 cookie; -}; - -struct sdhci_host { - /* Data set by hardware interface driver */ - const char *hw_name; /* Hardware bus name */ - - unsigned int quirks; /* Deviations from spec. */ - -/* Controller doesn't honor resets unless we touch the clock register */ -#define SDHCI_QUIRK_CLOCK_BEFORE_RESET (1<<0) -/* Controller has bad caps bits, but really supports DMA */ -#define SDHCI_QUIRK_FORCE_DMA (1<<1) -/* Controller doesn't like to be reset when there is no card inserted. */ -#define SDHCI_QUIRK_NO_CARD_NO_RESET (1<<2) -/* Controller doesn't like clearing the power reg before a change */ -#define SDHCI_QUIRK_SINGLE_POWER_WRITE (1<<3) -/* Controller has flaky internal state so reset it on each ios change */ -#define SDHCI_QUIRK_RESET_CMD_DATA_ON_IOS (1<<4) -/* Controller has an unusable DMA engine */ -#define SDHCI_QUIRK_BROKEN_DMA (1<<5) -/* Controller has an unusable ADMA engine */ -#define SDHCI_QUIRK_BROKEN_ADMA (1<<6) -/* Controller can only DMA from 32-bit aligned addresses */ -#define SDHCI_QUIRK_32BIT_DMA_ADDR (1<<7) -/* Controller can only DMA chunk sizes that are a multiple of 32 bits */ -#define SDHCI_QUIRK_32BIT_DMA_SIZE (1<<8) -/* Controller can only ADMA chunks that are a multiple of 32 bits */ -#define SDHCI_QUIRK_32BIT_ADMA_SIZE (1<<9) -/* Controller needs to be reset after each request to stay stable */ -#define SDHCI_QUIRK_RESET_AFTER_REQUEST (1<<10) -/* Controller needs voltage and power writes to happen separately */ -#define SDHCI_QUIRK_NO_SIMULT_VDD_AND_POWER (1<<11) -/* Controller provides an incorrect timeout value for transfers */ -#define SDHCI_QUIRK_BROKEN_TIMEOUT_VAL (1<<12) -/* Controller has an issue with buffer bits for small transfers */ -#define SDHCI_QUIRK_BROKEN_SMALL_PIO (1<<13) -/* Controller does not provide transfer-complete interrupt when not busy */ -#define SDHCI_QUIRK_NO_BUSY_IRQ (1<<14) -/* Controller has unreliable card detection */ -#define SDHCI_QUIRK_BROKEN_CARD_DETECTION (1<<15) -/* Controller reports inverted write-protect state */ -#define SDHCI_QUIRK_INVERTED_WRITE_PROTECT (1<<16) -/* Controller does not like fast PIO transfers */ -#define SDHCI_QUIRK_PIO_NEEDS_DELAY (1<<18) -/* Controller has to be forced to use block size of 2048 bytes */ -#define SDHCI_QUIRK_FORCE_BLK_SZ_2048 (1<<20) -/* Controller cannot do multi-block transfers */ -#define SDHCI_QUIRK_NO_MULTIBLOCK (1<<21) -/* Controller can only handle 1-bit data transfers */ -#define SDHCI_QUIRK_FORCE_1_BIT_DATA (1<<22) -/* Controller needs 10ms delay between applying power and clock */ -#define SDHCI_QUIRK_DELAY_AFTER_POWER (1<<23) -/* Controller uses SDCLK instead of TMCLK for data timeouts */ -#define SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK (1<<24) -/* Controller reports wrong base clock capability */ -#define SDHCI_QUIRK_CAP_CLOCK_BASE_BROKEN (1<<25) -/* Controller cannot support End Attribute in NOP ADMA descriptor */ -#define SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC (1<<26) -/* Controller is missing device caps. Use caps provided by host */ -#define SDHCI_QUIRK_MISSING_CAPS (1<<27) -/* Controller uses Auto CMD12 command to stop the transfer */ -#define SDHCI_QUIRK_MULTIBLOCK_READ_ACMD12 (1<<28) -/* Controller doesn't have HISPD bit field in HI-SPEED SD card */ -#define SDHCI_QUIRK_NO_HISPD_BIT (1<<29) -/* Controller treats ADMA descriptors with length 0000h incorrectly */ -#define SDHCI_QUIRK_BROKEN_ADMA_ZEROLEN_DESC (1<<30) -/* The read-only detection via SDHCI_PRESENT_STATE register is unstable */ -#define SDHCI_QUIRK_UNSTABLE_RO_DETECT (1<<31) - - unsigned int quirks2; /* More deviations from spec. */ - -#define SDHCI_QUIRK2_HOST_OFF_CARD_ON (1<<0) -#define SDHCI_QUIRK2_HOST_NO_CMD23 (1<<1) -/* The system physically doesn't support 1.8v, even if the host does */ -#define SDHCI_QUIRK2_NO_1_8_V (1<<2) -#define SDHCI_QUIRK2_PRESET_VALUE_BROKEN (1<<3) -#define SDHCI_QUIRK2_CARD_ON_NEEDS_BUS_ON (1<<4) -/* Controller has a non-standard host control register */ -#define SDHCI_QUIRK2_BROKEN_HOST_CONTROL (1<<5) -/* Controller does not support HS200 */ -#define SDHCI_QUIRK2_BROKEN_HS200 (1<<6) -/* Controller does not support DDR50 */ -#define SDHCI_QUIRK2_BROKEN_DDR50 (1<<7) -/* Stop command (CMD12) can set Transfer Complete when not using MMC_RSP_BUSY */ -#define SDHCI_QUIRK2_STOP_WITH_TC (1<<8) -/* Controller does not support 64-bit DMA */ -#define SDHCI_QUIRK2_BROKEN_64_BIT_DMA (1<<9) -/* need clear transfer mode register before send cmd */ -#define SDHCI_QUIRK2_CLEAR_TRANSFERMODE_REG_BEFORE_CMD (1<<10) -/* Capability register bit-63 indicates HS400 support */ -#define SDHCI_QUIRK2_CAPS_BIT63_FOR_HS400 (1<<11) -/* forced tuned clock */ -#define SDHCI_QUIRK2_TUNING_WORK_AROUND (1<<12) -/* disable the block count for single block transactions */ -#define SDHCI_QUIRK2_SUPPORT_SINGLE (1<<13) - - int irq; /* Device IRQ */ - void __iomem *ioaddr; /* Mapped address */ - - const struct sdhci_ops *ops; /* Low level hw interface */ - - /* Internal data */ - struct mmc_host *mmc; /* MMC structure */ - u64 dma_mask; /* custom DMA mask */ - -#if defined(CONFIG_LEDS_CLASS) || defined(CONFIG_LEDS_CLASS_MODULE) - struct led_classdev led; /* LED control */ - char led_name[32]; -#endif - - spinlock_t lock; /* Mutex */ - - int flags; /* Host attributes */ -#define SDHCI_USE_SDMA (1<<0) /* Host is SDMA capable */ -#define SDHCI_USE_ADMA (1<<1) /* Host is ADMA capable */ -#define SDHCI_REQ_USE_DMA (1<<2) /* Use DMA for this req. */ -#define SDHCI_DEVICE_DEAD (1<<3) /* Device unresponsive */ -#define SDHCI_SDR50_NEEDS_TUNING (1<<4) /* SDR50 needs tuning */ -#define SDHCI_NEEDS_RETUNING (1<<5) /* Host needs retuning */ -#define SDHCI_AUTO_CMD12 (1<<6) /* Auto CMD12 support */ -#define SDHCI_AUTO_CMD23 (1<<7) /* Auto CMD23 support */ -#define SDHCI_PV_ENABLED (1<<8) /* Preset value enabled */ -#define SDHCI_SDIO_IRQ_ENABLED (1<<9) /* SDIO irq enabled */ -#define SDHCI_SDR104_NEEDS_TUNING (1<<10) /* SDR104/HS200 needs tuning */ -#define SDHCI_USING_RETUNING_TIMER (1<<11) /* Host is using a retuning timer for the card */ -#define SDHCI_USE_64_BIT_DMA (1<<12) /* Use 64-bit DMA */ -#define SDHCI_HS400_TUNING (1<<13) /* Tuning for HS400 */ - - unsigned int version; /* SDHCI spec. version */ - - unsigned int max_clk; /* Max possible freq (MHz) */ - unsigned int timeout_clk; /* Timeout freq (KHz) */ - unsigned int clk_mul; /* Clock Muliplier value */ - - unsigned int clock; /* Current clock (MHz) */ - u8 pwr; /* Current voltage */ - - bool runtime_suspended; /* Host is runtime suspended */ - bool bus_on; /* Bus power prevents runtime suspend */ - bool preset_enabled; /* Preset is enabled */ - - struct mmc_request *mrq; /* Current request */ - struct mmc_command *cmd; /* Current command */ - struct mmc_data *data; /* Current data request */ - unsigned int data_early:1; /* Data finished before cmd */ - unsigned int busy_handle:1; /* Handling the order of Busy-end */ - - struct sg_mapping_iter sg_miter; /* SG state for PIO */ - unsigned int blocks; /* remaining PIO blocks */ - - int sg_count; /* Mapped sg entries */ - - void *adma_table; /* ADMA descriptor table */ - void *align_buffer; /* Bounce buffer */ - - size_t adma_table_sz; /* ADMA descriptor table size */ - size_t align_buffer_sz; /* Bounce buffer size */ - - dma_addr_t adma_addr; /* Mapped ADMA descr. table */ - dma_addr_t align_addr; /* Mapped bounce buffer */ - - unsigned int desc_sz; /* ADMA descriptor size */ - unsigned int align_sz; /* ADMA alignment */ - unsigned int align_mask; /* ADMA alignment mask */ - - struct tasklet_struct finish_tasklet; /* Tasklet structures */ - - struct timer_list timer; /* Timer for timeouts */ - - u32 caps; /* Alternative CAPABILITY_0 */ - u32 caps1; /* Alternative CAPABILITY_1 */ - - unsigned int ocr_avail_sdio; /* OCR bit masks */ - unsigned int ocr_avail_sd; - unsigned int ocr_avail_mmc; - u32 ocr_mask; /* available voltages */ - - unsigned timing; /* Current timing */ - - u32 thread_isr; - - /* cached registers */ - u32 ier; - - wait_queue_head_t buf_ready_int; /* Waitqueue for Buffer Read Ready interrupt */ - unsigned int tuning_done; /* Condition flag set when CMD19 succeeds */ - - unsigned int tuning_count; /* Timer count for re-tuning */ - unsigned int tuning_mode; /* Re-tuning mode supported by host */ -#define SDHCI_TUNING_MODE_1 0 - struct timer_list tuning_timer; /* Timer for tuning */ - - struct sdhci_host_next next_data; - unsigned long private[0] ____cacheline_aligned; -}; -#endif /* LINUX_MMC_SDHCI_H */ diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h index f279d9c158cd..2782df47101e 100644 --- a/include/linux/mmzone.h +++ b/include/linux/mmzone.h @@ -474,16 +474,15 @@ struct zone { unsigned long wait_table_bits; ZONE_PADDING(_pad1_) - - /* Write-intensive fields used from the page allocator */ - spinlock_t lock; - /* free areas of different sizes */ struct free_area free_area[MAX_ORDER]; /* zone flags, see below */ unsigned long flags; + /* Write-intensive fields used from the page allocator */ + spinlock_t lock; + ZONE_PADDING(_pad2_) /* Write-intensive fields used by page reclaim */ diff --git a/include/linux/module.h b/include/linux/module.h index 42999fe2dbd0..c883b86ea964 100644 --- a/include/linux/module.h +++ b/include/linux/module.h @@ -338,12 +338,18 @@ struct module { #ifdef CONFIG_EVENT_TRACING struct ftrace_event_call **trace_events; unsigned int num_trace_events; + struct trace_enum_map **trace_enums; + unsigned int num_trace_enums; #endif #ifdef CONFIG_FTRACE_MCOUNT_RECORD unsigned int num_ftrace_callsites; unsigned long *ftrace_callsites; #endif +#ifdef CONFIG_LIVEPATCH + bool klp_alive; +#endif + #ifdef CONFIG_MODULE_UNLOAD /* What modules depend on me? */ struct list_head source_list; diff --git a/include/linux/moduleloader.h b/include/linux/moduleloader.h index f7556261fe3c..4d0cb9bba93e 100644 --- a/include/linux/moduleloader.h +++ b/include/linux/moduleloader.h @@ -84,4 +84,12 @@ void module_arch_cleanup(struct module *mod); /* Any cleanup before freeing mod->module_init */ void module_arch_freeing_init(struct module *mod); + +#ifdef CONFIG_KASAN +#include <linux/kasan.h> +#define MODULE_ALIGN (PAGE_SIZE << KASAN_SHADOW_SCALE_SHIFT) +#else +#define MODULE_ALIGN PAGE_SIZE +#endif + #endif diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index 5897b4ea5a3f..278738873703 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -965,9 +965,12 @@ typedef u16 (*select_queue_fallback_t)(struct net_device *dev, * Used to add FDB entries to dump requests. Implementers should add * entries to skb and update idx with the number of entries. * - * int (*ndo_bridge_setlink)(struct net_device *dev, struct nlmsghdr *nlh) + * int (*ndo_bridge_setlink)(struct net_device *dev, struct nlmsghdr *nlh, + * u16 flags) * int (*ndo_bridge_getlink)(struct sk_buff *skb, u32 pid, u32 seq, * struct net_device *dev, u32 filter_mask) + * int (*ndo_bridge_dellink)(struct net_device *dev, struct nlmsghdr *nlh, + * u16 flags); * * int (*ndo_change_carrier)(struct net_device *dev, bool new_carrier); * Called to change device carrier. Soft-devices (like dummy, team, etc) @@ -2182,6 +2185,12 @@ void netdev_freemem(struct net_device *dev); void synchronize_net(void); int init_dummy_netdev(struct net_device *dev); +DECLARE_PER_CPU(int, xmit_recursion); +static inline int dev_recursion_level(void) +{ + return this_cpu_read(xmit_recursion); +} + struct net_device *dev_get_by_index(struct net *net, int ifindex); struct net_device *__dev_get_by_index(struct net *net, int ifindex); struct net_device *dev_get_by_index_rcu(struct net *net, int ifindex); @@ -2342,6 +2351,7 @@ struct gro_remcsum { static inline void skb_gro_remcsum_init(struct gro_remcsum *grc) { + grc->offset = 0; grc->delta = 0; } diff --git a/include/linux/nfs_fs.h b/include/linux/nfs_fs.h index 2f77e0c651c8..b01ccf371fdc 100644 --- a/include/linux/nfs_fs.h +++ b/include/linux/nfs_fs.h @@ -343,6 +343,7 @@ extern struct inode *nfs_fhget(struct super_block *, struct nfs_fh *, extern int nfs_refresh_inode(struct inode *, struct nfs_fattr *); extern int nfs_post_op_update_inode(struct inode *inode, struct nfs_fattr *fattr); extern int nfs_post_op_update_inode_force_wcc(struct inode *inode, struct nfs_fattr *fattr); +extern int nfs_post_op_update_inode_force_wcc_locked(struct inode *inode, struct nfs_fattr *fattr); extern int nfs_getattr(struct vfsmount *, struct dentry *, struct kstat *); extern void nfs_access_add_cache(struct inode *, struct nfs_access_entry *); extern void nfs_access_set_mask(struct nfs_access_entry *, u32); @@ -355,8 +356,9 @@ extern int nfs_revalidate_inode(struct nfs_server *server, struct inode *inode); extern int nfs_revalidate_inode_rcu(struct nfs_server *server, struct inode *inode); extern int __nfs_revalidate_inode(struct nfs_server *, struct inode *); extern int nfs_revalidate_mapping(struct inode *inode, struct address_space *mapping); +extern int nfs_revalidate_mapping_protected(struct inode *inode, struct address_space *mapping); extern int nfs_setattr(struct dentry *, struct iattr *); -extern void nfs_setattr_update_inode(struct inode *inode, struct iattr *attr); +extern void nfs_setattr_update_inode(struct inode *inode, struct iattr *attr, struct nfs_fattr *); extern void nfs_setsecurity(struct inode *inode, struct nfs_fattr *fattr, struct nfs4_label *label); extern struct nfs_open_context *get_nfs_open_context(struct nfs_open_context *ctx); @@ -369,6 +371,7 @@ extern struct nfs_lock_context *nfs_get_lock_context(struct nfs_open_context *ct extern void nfs_put_lock_context(struct nfs_lock_context *l_ctx); extern u64 nfs_compat_user_ino64(u64 fileid); extern void nfs_fattr_init(struct nfs_fattr *fattr); +extern void nfs_fattr_set_barrier(struct nfs_fattr *fattr); extern unsigned long nfs_inc_attr_generation_counter(void); extern struct nfs_fattr *nfs_alloc_fattr(void); diff --git a/include/linux/of_device.h b/include/linux/of_device.h index ef370210ffb2..22801b10cef5 100644 --- a/include/linux/of_device.h +++ b/include/linux/of_device.h @@ -53,6 +53,7 @@ static inline struct device_node *of_cpu_device_node_get(int cpu) return of_node_get(cpu_dev->of_node); } +void of_dma_configure(struct device *dev, struct device_node *np); #else /* CONFIG_OF */ static inline int of_driver_match_device(struct device *dev, @@ -90,6 +91,8 @@ static inline struct device_node *of_cpu_device_node_get(int cpu) { return NULL; } +static inline void of_dma_configure(struct device *dev, struct device_node *np) +{} #endif /* CONFIG_OF */ #endif /* _LINUX_OF_DEVICE_H */ diff --git a/include/linux/of_iommu.h b/include/linux/of_iommu.h index 16c75547d725..ffbe4707d4aa 100644 --- a/include/linux/of_iommu.h +++ b/include/linux/of_iommu.h @@ -12,7 +12,8 @@ extern int of_get_dma_window(struct device_node *dn, const char *prefix, size_t *size); extern void of_iommu_init(void); -extern struct iommu_ops *of_iommu_configure(struct device *dev); +extern struct iommu_ops *of_iommu_configure(struct device *dev, + struct device_node *master_np); #else @@ -24,7 +25,8 @@ static inline int of_get_dma_window(struct device_node *dn, const char *prefix, } static inline void of_iommu_init(void) { } -static inline struct iommu_ops *of_iommu_configure(struct device *dev) +static inline struct iommu_ops *of_iommu_configure(struct device *dev, + struct device_node *master_np) { return NULL; } diff --git a/include/linux/of_pci.h b/include/linux/of_pci.h index ce0e5abeb454..29fd3fe1c035 100644 --- a/include/linux/of_pci.h +++ b/include/linux/of_pci.h @@ -16,6 +16,7 @@ int of_pci_get_devfn(struct device_node *np); int of_irq_parse_and_map_pci(const struct pci_dev *dev, u8 slot, u8 pin); int of_pci_parse_bus_range(struct device_node *node, struct resource *res); int of_get_pci_domain_nr(struct device_node *node); +void of_pci_dma_configure(struct pci_dev *pci_dev); #else static inline int of_irq_parse_pci(const struct pci_dev *pdev, struct of_phandle_args *out_irq) { @@ -50,6 +51,8 @@ of_get_pci_domain_nr(struct device_node *node) { return -1; } + +static inline void of_pci_dma_configure(struct pci_dev *pci_dev) { } #endif #if defined(CONFIG_OF_ADDRESS) diff --git a/include/linux/of_platform.h b/include/linux/of_platform.h index 8a860f096c35..611a691145c4 100644 --- a/include/linux/of_platform.h +++ b/include/linux/of_platform.h @@ -84,7 +84,7 @@ static inline int of_platform_populate(struct device_node *root, static inline void of_platform_depopulate(struct device *parent) { } #endif -#ifdef CONFIG_OF_DYNAMIC +#if defined(CONFIG_OF_DYNAMIC) && defined(CONFIG_OF_ADDRESS) extern void of_platform_register_reconfig_notifier(void); #else static inline void of_platform_register_reconfig_notifier(void) { } diff --git a/include/linux/pci-acpi.h b/include/linux/pci-acpi.h index 24c7728ca681..a965efa52152 100644 --- a/include/linux/pci-acpi.h +++ b/include/linux/pci-acpi.h @@ -77,6 +77,11 @@ static inline void acpiphp_remove_slots(struct pci_bus *bus) { } static inline void acpiphp_check_host_bridge(struct acpi_device *adev) { } #endif +extern const u8 pci_acpi_dsm_uuid[]; +#define DEVICE_LABEL_DSM 0x07 +#define RESET_DELAY_DSM 0x08 +#define FUNCTION_DELAY_DSM 0x09 + #else /* CONFIG_ACPI */ static inline void acpi_pci_add_bus(struct pci_bus *bus) { } static inline void acpi_pci_remove_bus(struct pci_bus *bus) { } diff --git a/include/linux/pci-aspm.h b/include/linux/pci-aspm.h index 8af4610c2e41..207c561fb40e 100644 --- a/include/linux/pci-aspm.h +++ b/include/linux/pci-aspm.h @@ -29,7 +29,6 @@ void pcie_aspm_pm_state_change(struct pci_dev *pdev); void pcie_aspm_powersave_config_link(struct pci_dev *pdev); void pci_disable_link_state(struct pci_dev *pdev, int state); void pci_disable_link_state_locked(struct pci_dev *pdev, int state); -void pcie_clear_aspm(struct pci_bus *bus); void pcie_no_aspm(void); #else static inline void pcie_aspm_init_link_state(struct pci_dev *pdev) @@ -47,9 +46,6 @@ static inline void pcie_aspm_powersave_config_link(struct pci_dev *pdev) static inline void pci_disable_link_state(struct pci_dev *pdev, int state) { } -static inline void pcie_clear_aspm(struct pci_bus *bus) -{ -} static inline void pcie_no_aspm(void) { } diff --git a/include/linux/pci.h b/include/linux/pci.h index 211e9da8a7d7..e63112fb55be 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -406,6 +406,7 @@ struct pci_host_bridge { struct list_head windows; /* resource_entry */ void (*release_fn)(struct pci_host_bridge *); void *release_data; + unsigned int ignore_reset_delay:1; /* for entire hierarchy */ }; #define to_pci_host_bridge(n) container_of(n, struct pci_host_bridge, dev) @@ -510,6 +511,9 @@ static inline struct pci_dev *pci_upstream_bridge(struct pci_dev *dev) return dev->bus->self; } +struct device *pci_get_host_bridge_device(struct pci_dev *dev); +void pci_put_host_bridge_device(struct device *dev); + #ifdef CONFIG_PCI_MSI static inline bool pci_dev_msi_enabled(struct pci_dev *pci_dev) { diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h index e63c02a93f6b..38cff8f6716d 100644 --- a/include/linux/pci_ids.h +++ b/include/linux/pci_ids.h @@ -2315,6 +2315,8 @@ #define PCI_VENDOR_ID_CENATEK 0x16CA #define PCI_DEVICE_ID_CENATEK_IDE 0x0001 +#define PCI_VENDOR_ID_SYNOPSYS 0x16c3 + #define PCI_VENDOR_ID_VITESSE 0x1725 #define PCI_DEVICE_ID_VITESSE_VSC7174 0x7174 diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h index 2b621982938d..61992cf2e977 100644 --- a/include/linux/perf_event.h +++ b/include/linux/perf_event.h @@ -53,6 +53,7 @@ struct perf_guest_info_callbacks { #include <linux/sysfs.h> #include <linux/perf_regs.h> #include <linux/workqueue.h> +#include <linux/cgroup.h> #include <asm/local.h> struct perf_callchain_entry { @@ -118,10 +119,19 @@ struct hw_perf_event { struct hrtimer hrtimer; }; struct { /* tracepoint */ - struct task_struct *tp_target; /* for tp_event->class */ struct list_head tp_list; }; + struct { /* intel_cqm */ + int cqm_state; + int cqm_rmid; + struct list_head cqm_events_entry; + struct list_head cqm_groups_entry; + struct list_head cqm_group_entry; + }; + struct { /* itrace */ + int itrace_started; + }; #ifdef CONFIG_HAVE_HW_BREAKPOINT struct { /* breakpoint */ /* @@ -129,12 +139,12 @@ struct hw_perf_event { * problem hw_breakpoint has with context * creation and event initalization. */ - struct task_struct *bp_target; struct arch_hw_breakpoint info; struct list_head bp_list; }; #endif }; + struct task_struct *target; int state; local64_t prev_count; u64 sample_period; @@ -166,6 +176,11 @@ struct perf_event; * pmu::capabilities flags */ #define PERF_PMU_CAP_NO_INTERRUPT 0x01 +#define PERF_PMU_CAP_NO_NMI 0x02 +#define PERF_PMU_CAP_AUX_NO_SG 0x04 +#define PERF_PMU_CAP_AUX_SW_DOUBLEBUF 0x08 +#define PERF_PMU_CAP_EXCLUSIVE 0x10 +#define PERF_PMU_CAP_ITRACE 0x20 /** * struct pmu - generic performance monitoring unit @@ -186,6 +201,7 @@ struct pmu { int * __percpu pmu_disable_count; struct perf_cpu_context * __percpu pmu_cpu_context; + atomic_t exclusive_cnt; /* < 0: cpu; > 0: tsk */ int task_ctx_nr; int hrtimer_interval_ms; @@ -262,9 +278,32 @@ struct pmu { int (*event_idx) (struct perf_event *event); /*optional */ /* - * flush branch stack on context-switches (needed in cpu-wide mode) + * context-switches callback + */ + void (*sched_task) (struct perf_event_context *ctx, + bool sched_in); + /* + * PMU specific data size + */ + size_t task_ctx_size; + + + /* + * Return the count value for a counter. + */ + u64 (*count) (struct perf_event *event); /*optional*/ + + /* + * Set up pmu-private data structures for an AUX area */ - void (*flush_branch_stack) (void); + void *(*setup_aux) (int cpu, void **pages, + int nr_pages, bool overwrite); + /* optional */ + + /* + * Free pmu-private AUX data structures + */ + void (*free_aux) (void *aux); /* optional */ }; /** @@ -300,6 +339,7 @@ struct swevent_hlist { #define PERF_ATTACH_CONTEXT 0x01 #define PERF_ATTACH_GROUP 0x02 #define PERF_ATTACH_TASK 0x04 +#define PERF_ATTACH_TASK_DATA 0x08 struct perf_cgroup; struct ring_buffer; @@ -438,6 +478,7 @@ struct perf_event { struct pid_namespace *ns; u64 id; + u64 (*clock)(void); perf_overflow_handler_t overflow_handler; void *overflow_handler_context; @@ -504,7 +545,7 @@ struct perf_event_context { u64 generation; int pin_count; int nr_cgroups; /* cgroup evts */ - int nr_branch_stack; /* branch_stack evt */ + void *task_ctx_data; /* pmu specific data */ struct rcu_head rcu_head; struct delayed_work orphans_remove; @@ -536,12 +577,52 @@ struct perf_output_handle { struct ring_buffer *rb; unsigned long wakeup; unsigned long size; - void *addr; + union { + void *addr; + unsigned long head; + }; int page; }; +#ifdef CONFIG_CGROUP_PERF + +/* + * perf_cgroup_info keeps track of time_enabled for a cgroup. + * This is a per-cpu dynamically allocated data structure. + */ +struct perf_cgroup_info { + u64 time; + u64 timestamp; +}; + +struct perf_cgroup { + struct cgroup_subsys_state css; + struct perf_cgroup_info __percpu *info; +}; + +/* + * Must ensure cgroup is pinned (css_get) before calling + * this function. In other words, we cannot call this function + * if there is no cgroup event for the current CPU context. + */ +static inline struct perf_cgroup * +perf_cgroup_from_task(struct task_struct *task) +{ + return container_of(task_css(task, perf_event_cgrp_id), + struct perf_cgroup, css); +} +#endif /* CONFIG_CGROUP_PERF */ + #ifdef CONFIG_PERF_EVENTS +extern void *perf_aux_output_begin(struct perf_output_handle *handle, + struct perf_event *event); +extern void perf_aux_output_end(struct perf_output_handle *handle, + unsigned long size, bool truncated); +extern int perf_aux_output_skip(struct perf_output_handle *handle, + unsigned long size); +extern void *perf_get_aux(struct perf_output_handle *handle); + extern int perf_pmu_register(struct pmu *pmu, const char *name, int type); extern void perf_pmu_unregister(struct pmu *pmu); @@ -558,6 +639,8 @@ extern void perf_event_delayed_put(struct task_struct *task); extern void perf_event_print_debug(void); extern void perf_pmu_disable(struct pmu *pmu); extern void perf_pmu_enable(struct pmu *pmu); +extern void perf_sched_cb_dec(struct pmu *pmu); +extern void perf_sched_cb_inc(struct pmu *pmu); extern int perf_event_task_disable(void); extern int perf_event_task_enable(void); extern int perf_event_refresh(struct perf_event *event, int refresh); @@ -731,6 +814,11 @@ static inline void perf_event_task_sched_out(struct task_struct *prev, __perf_event_task_sched_out(prev, next); } +static inline u64 __perf_event_count(struct perf_event *event) +{ + return local64_read(&event->count) + atomic64_read(&event->child_count); +} + extern void perf_event_mmap(struct vm_area_struct *vma); extern struct perf_guest_info_callbacks *perf_guest_cbs; extern int perf_register_guest_info_callbacks(struct perf_guest_info_callbacks *callbacks); @@ -800,6 +888,16 @@ static inline bool has_branch_stack(struct perf_event *event) return event->attr.sample_type & PERF_SAMPLE_BRANCH_STACK; } +static inline bool needs_branch_stack(struct perf_event *event) +{ + return event->attr.branch_sample_type != 0; +} + +static inline bool has_aux(struct perf_event *event) +{ + return event->pmu->setup_aux; +} + extern int perf_output_begin(struct perf_output_handle *handle, struct perf_event *event, unsigned int size); extern void perf_output_end(struct perf_output_handle *handle); @@ -815,6 +913,17 @@ extern void perf_event_disable(struct perf_event *event); extern int __perf_event_disable(void *info); extern void perf_event_task_tick(void); #else /* !CONFIG_PERF_EVENTS: */ +static inline void * +perf_aux_output_begin(struct perf_output_handle *handle, + struct perf_event *event) { return NULL; } +static inline void +perf_aux_output_end(struct perf_output_handle *handle, unsigned long size, + bool truncated) { } +static inline int +perf_aux_output_skip(struct perf_output_handle *handle, + unsigned long size) { return -EINVAL; } +static inline void * +perf_get_aux(struct perf_output_handle *handle) { return NULL; } static inline void perf_event_task_sched_in(struct task_struct *prev, struct task_struct *task) { } diff --git a/include/linux/pinctrl/consumer.h b/include/linux/pinctrl/consumer.h index 72c0415d6c21..18eccefea06e 100644 --- a/include/linux/pinctrl/consumer.h +++ b/include/linux/pinctrl/consumer.h @@ -82,7 +82,7 @@ static inline int pinctrl_gpio_direction_output(unsigned gpio) static inline struct pinctrl * __must_check pinctrl_get(struct device *dev) { - return ERR_PTR(-ENOSYS); + return NULL; } static inline void pinctrl_put(struct pinctrl *p) @@ -93,7 +93,7 @@ static inline struct pinctrl_state * __must_check pinctrl_lookup_state( struct pinctrl *p, const char *name) { - return ERR_PTR(-ENOSYS); + return NULL; } static inline int pinctrl_select_state(struct pinctrl *p, @@ -104,7 +104,7 @@ static inline int pinctrl_select_state(struct pinctrl *p, static inline struct pinctrl * __must_check devm_pinctrl_get(struct device *dev) { - return ERR_PTR(-ENOSYS); + return NULL; } static inline void devm_pinctrl_put(struct pinctrl *p) diff --git a/include/linux/platform_data/hsmmc-omap.h b/include/linux/platform_data/hsmmc-omap.h index 67bbcf0785f6..8e981be2e2c2 100644 --- a/include/linux/platform_data/hsmmc-omap.h +++ b/include/linux/platform_data/hsmmc-omap.h @@ -55,9 +55,6 @@ struct omap_hsmmc_platform_data { u32 caps; /* Used for the MMC driver on 2430 and later */ u32 pm_caps; /* PM capabilities of the mmc */ - /* switch pin can be for card detect (default) or card cover */ - unsigned cover:1; - /* use the internal clock */ unsigned internal_clock:1; @@ -73,7 +70,8 @@ struct omap_hsmmc_platform_data { #define HSMMC_HAS_HSPE_SUPPORT (1 << 2) unsigned features; - int switch_pin; /* gpio (card detect) */ + int gpio_cd; /* gpio (card detect) */ + int gpio_cod; /* gpio (cover detect) */ int gpio_wp; /* gpio (write protect) */ int (*set_power)(struct device *dev, int power_on, int vdd); diff --git a/include/linux/power/charger-manager.h b/include/linux/power/charger-manager.h index 416ebeb6ee1e..eadf28cb2fc9 100644 --- a/include/linux/power/charger-manager.h +++ b/include/linux/power/charger-manager.h @@ -242,7 +242,8 @@ struct charger_manager { int emergency_stop; char psy_name_buf[PSY_NAME_MAX + 1]; - struct power_supply charger_psy; + struct power_supply_desc charger_psy_desc; + struct power_supply *charger_psy; u64 charging_start_time; u64 charging_end_time; diff --git a/include/linux/power/max17042_battery.h b/include/linux/power/max17042_battery.h index 89dd84f47c6e..cf112b4075c8 100644 --- a/include/linux/power/max17042_battery.h +++ b/include/linux/power/max17042_battery.h @@ -126,7 +126,14 @@ enum max17047_register { MAX17047_QRTbl30 = 0x42, }; -enum max170xx_chip_type {MAX17042, MAX17047}; +enum max170xx_chip_type { + MAXIM_DEVICE_TYPE_UNKNOWN = 0, + MAXIM_DEVICE_TYPE_MAX17042, + MAXIM_DEVICE_TYPE_MAX17047, + MAXIM_DEVICE_TYPE_MAX17050, + + MAXIM_DEVICE_TYPE_NUM +}; /* * used for setting a register to a desired value diff --git a/include/linux/power_supply.h b/include/linux/power_supply.h index 096dbced02ac..75a1dd8dc56e 100644 --- a/include/linux/power_supply.h +++ b/include/linux/power_supply.h @@ -13,6 +13,7 @@ #ifndef __LINUX_POWER_SUPPLY_H__ #define __LINUX_POWER_SUPPLY_H__ +#include <linux/device.h> #include <linux/workqueue.h> #include <linux/leds.h> #include <linux/spinlock.h> @@ -173,22 +174,32 @@ union power_supply_propval { const char *strval; }; -struct device; struct device_node; +struct power_supply; -struct power_supply { - const char *name; - enum power_supply_type type; - enum power_supply_property *properties; - size_t num_properties; +/* Run-time specific power supply configuration */ +struct power_supply_config { + struct device_node *of_node; + /* Driver private data */ + void *drv_data; char **supplied_to; size_t num_supplicants; +}; - char **supplied_from; - size_t num_supplies; - struct device_node *of_node; +/* Description of power supply */ +struct power_supply_desc { + const char *name; + enum power_supply_type type; + enum power_supply_property *properties; + size_t num_properties; + /* + * Functions for drivers implementing power supply class. + * These shouldn't be called directly by other drivers for accessing + * this power supply. Instead use power_supply_*() functions (for + * example power_supply_get_property()). + */ int (*get_property)(struct power_supply *psy, enum power_supply_property psp, union power_supply_propval *val); @@ -208,12 +219,27 @@ struct power_supply { bool no_thermal; /* For APM emulation, think legacy userspace. */ int use_for_apm; +}; + +struct power_supply { + const struct power_supply_desc *desc; + + char **supplied_to; + size_t num_supplicants; + + char **supplied_from; + size_t num_supplies; + struct device_node *of_node; + + /* Driver private data */ + void *drv_data; /* private */ - struct device *dev; + struct device dev; struct work_struct changed_work; spinlock_t changed_lock; bool changed; + atomic_t use_cnt; #ifdef CONFIG_THERMAL struct thermal_zone_device *tzd; struct thermal_cooling_device *tcd; @@ -256,6 +282,7 @@ extern struct atomic_notifier_head power_supply_notifier; extern int power_supply_reg_notifier(struct notifier_block *nb); extern void power_supply_unreg_notifier(struct notifier_block *nb); extern struct power_supply *power_supply_get_by_name(const char *name); +extern void power_supply_put(struct power_supply *psy); #ifdef CONFIG_OF extern struct power_supply *power_supply_get_by_phandle(struct device_node *np, const char *property); @@ -274,13 +301,36 @@ extern int power_supply_is_system_supplied(void); static inline int power_supply_is_system_supplied(void) { return -ENOSYS; } #endif -extern int power_supply_register(struct device *parent, - struct power_supply *psy); -extern int power_supply_register_no_ws(struct device *parent, - struct power_supply *psy); +extern int power_supply_get_property(struct power_supply *psy, + enum power_supply_property psp, + union power_supply_propval *val); +extern int power_supply_set_property(struct power_supply *psy, + enum power_supply_property psp, + const union power_supply_propval *val); +extern int power_supply_property_is_writeable(struct power_supply *psy, + enum power_supply_property psp); +extern void power_supply_external_power_changed(struct power_supply *psy); + +extern struct power_supply *__must_check +power_supply_register(struct device *parent, + const struct power_supply_desc *desc, + const struct power_supply_config *cfg); +extern struct power_supply *__must_check +power_supply_register_no_ws(struct device *parent, + const struct power_supply_desc *desc, + const struct power_supply_config *cfg); +extern struct power_supply *__must_check +devm_power_supply_register(struct device *parent, + const struct power_supply_desc *desc, + const struct power_supply_config *cfg); +extern struct power_supply *__must_check +devm_power_supply_register_no_ws(struct device *parent, + const struct power_supply_desc *desc, + const struct power_supply_config *cfg); extern void power_supply_unregister(struct power_supply *psy); extern int power_supply_powers(struct power_supply *psy, struct device *dev); +extern void *power_supply_get_drvdata(struct power_supply *psy); /* For APM emulation, think legacy userspace. */ extern struct class *power_supply_class; diff --git a/include/linux/rcupdate.h b/include/linux/rcupdate.h index 78097491cd99..573a5afd5ed8 100644 --- a/include/linux/rcupdate.h +++ b/include/linux/rcupdate.h @@ -48,6 +48,26 @@ extern int rcu_expedited; /* for sysctl */ +#ifdef CONFIG_TINY_RCU +/* Tiny RCU doesn't expedite, as its purpose in life is instead to be tiny. */ +static inline bool rcu_gp_is_expedited(void) /* Internal RCU use. */ +{ + return false; +} + +static inline void rcu_expedite_gp(void) +{ +} + +static inline void rcu_unexpedite_gp(void) +{ +} +#else /* #ifdef CONFIG_TINY_RCU */ +bool rcu_gp_is_expedited(void); /* Internal RCU use. */ +void rcu_expedite_gp(void); +void rcu_unexpedite_gp(void); +#endif /* #else #ifdef CONFIG_TINY_RCU */ + enum rcutorture_type { RCU_FLAVOR, RCU_BH_FLAVOR, @@ -195,6 +215,15 @@ void call_rcu_sched(struct rcu_head *head, void synchronize_sched(void); +/* + * Structure allowing asynchronous waiting on RCU. + */ +struct rcu_synchronize { + struct rcu_head head; + struct completion completion; +}; +void wakeme_after_rcu(struct rcu_head *head); + /** * call_rcu_tasks() - Queue an RCU for invocation task-based grace period * @head: structure to be used for queueing the RCU updates. @@ -258,6 +287,7 @@ static inline int rcu_preempt_depth(void) /* Internal to kernel */ void rcu_init(void); +void rcu_end_inkernel_boot(void); void rcu_sched_qs(void); void rcu_bh_qs(void); void rcu_check_callbacks(int user); @@ -266,6 +296,8 @@ void rcu_idle_enter(void); void rcu_idle_exit(void); void rcu_irq_enter(void); void rcu_irq_exit(void); +int rcu_cpu_notify(struct notifier_block *self, + unsigned long action, void *hcpu); #ifdef CONFIG_RCU_STALL_COMMON void rcu_sysrq_start(void); @@ -720,7 +752,7 @@ static inline void rcu_preempt_sleep_check(void) * annotated as __rcu. */ #define rcu_dereference_check(p, c) \ - __rcu_dereference_check((p), rcu_read_lock_held() || (c), __rcu) + __rcu_dereference_check((p), (c) || rcu_read_lock_held(), __rcu) /** * rcu_dereference_bh_check() - rcu_dereference_bh with debug checking @@ -730,7 +762,7 @@ static inline void rcu_preempt_sleep_check(void) * This is the RCU-bh counterpart to rcu_dereference_check(). */ #define rcu_dereference_bh_check(p, c) \ - __rcu_dereference_check((p), rcu_read_lock_bh_held() || (c), __rcu) + __rcu_dereference_check((p), (c) || rcu_read_lock_bh_held(), __rcu) /** * rcu_dereference_sched_check() - rcu_dereference_sched with debug checking @@ -740,7 +772,7 @@ static inline void rcu_preempt_sleep_check(void) * This is the RCU-sched counterpart to rcu_dereference_check(). */ #define rcu_dereference_sched_check(p, c) \ - __rcu_dereference_check((p), rcu_read_lock_sched_held() || (c), \ + __rcu_dereference_check((p), (c) || rcu_read_lock_sched_held(), \ __rcu) #define rcu_dereference_raw(p) rcu_dereference_check(p, 1) /*@@@ needed? @@@*/ @@ -933,9 +965,9 @@ static inline void rcu_read_unlock(void) { rcu_lockdep_assert(rcu_is_watching(), "rcu_read_unlock() used illegally while idle"); - rcu_lock_release(&rcu_lock_map); __release(RCU); __rcu_read_unlock(); + rcu_lock_release(&rcu_lock_map); /* Keep acq info for rls diags. */ } /** diff --git a/include/linux/regulator/act8865.h b/include/linux/regulator/act8865.h index b6c4909b33af..15fa8f2d35c9 100644 --- a/include/linux/regulator/act8865.h +++ b/include/linux/regulator/act8865.h @@ -19,6 +19,19 @@ #include <linux/regulator/machine.h> enum { + ACT8600_ID_DCDC1, + ACT8600_ID_DCDC2, + ACT8600_ID_DCDC3, + ACT8600_ID_SUDCDC4, + ACT8600_ID_LDO5, + ACT8600_ID_LDO6, + ACT8600_ID_LDO7, + ACT8600_ID_LDO8, + ACT8600_ID_LDO9, + ACT8600_ID_LDO10, +}; + +enum { ACT8865_ID_DCDC1, ACT8865_ID_DCDC2, ACT8865_ID_DCDC3, @@ -46,6 +59,7 @@ enum { }; enum { + ACT8600, ACT8865, ACT8846, }; diff --git a/include/linux/regulator/consumer.h b/include/linux/regulator/consumer.h index d17e1ff7ad01..f8a689ed62a5 100644 --- a/include/linux/regulator/consumer.h +++ b/include/linux/regulator/consumer.h @@ -114,7 +114,7 @@ struct regmap; #define REGULATOR_EVENT_OVER_TEMP 0x10 #define REGULATOR_EVENT_FORCE_DISABLE 0x20 #define REGULATOR_EVENT_VOLTAGE_CHANGE 0x40 -#define REGULATOR_EVENT_DISABLE 0x80 +#define REGULATOR_EVENT_DISABLE 0x80 #define REGULATOR_EVENT_PRE_VOLTAGE_CHANGE 0x100 #define REGULATOR_EVENT_ABORT_VOLTAGE_CHANGE 0x200 #define REGULATOR_EVENT_PRE_DISABLE 0x400 @@ -238,7 +238,7 @@ int regulator_get_current_limit(struct regulator *regulator); int regulator_set_mode(struct regulator *regulator, unsigned int mode); unsigned int regulator_get_mode(struct regulator *regulator); -int regulator_set_optimum_mode(struct regulator *regulator, int load_uA); +int regulator_set_load(struct regulator *regulator, int load_uA); int regulator_allow_bypass(struct regulator *regulator, bool allow); @@ -252,8 +252,12 @@ int regulator_list_hardware_vsel(struct regulator *regulator, /* regulator notifier block */ int regulator_register_notifier(struct regulator *regulator, struct notifier_block *nb); +int devm_regulator_register_notifier(struct regulator *regulator, + struct notifier_block *nb); int regulator_unregister_notifier(struct regulator *regulator, struct notifier_block *nb); +void devm_regulator_unregister_notifier(struct regulator *regulator, + struct notifier_block *nb); /* driver data - core doesn't touch */ void *regulator_get_drvdata(struct regulator *regulator); @@ -479,8 +483,7 @@ static inline unsigned int regulator_get_mode(struct regulator *regulator) return REGULATOR_MODE_NORMAL; } -static inline int regulator_set_optimum_mode(struct regulator *regulator, - int load_uA) +static inline int regulator_set_load(struct regulator *regulator, int load_uA) { return REGULATOR_MODE_NORMAL; } @@ -515,12 +518,24 @@ static inline int regulator_register_notifier(struct regulator *regulator, return 0; } +static inline int devm_regulator_register_notifier(struct regulator *regulator, + struct notifier_block *nb) +{ + return 0; +} + static inline int regulator_unregister_notifier(struct regulator *regulator, struct notifier_block *nb) { return 0; } +static inline int devm_regulator_unregister_notifier(struct regulator *regulator, + struct notifier_block *nb) +{ + return 0; +} + static inline void *regulator_get_drvdata(struct regulator *regulator) { return NULL; diff --git a/include/linux/regulator/driver.h b/include/linux/regulator/driver.h index d4ad5b5a02bb..fffa688ac3a7 100644 --- a/include/linux/regulator/driver.h +++ b/include/linux/regulator/driver.h @@ -98,6 +98,7 @@ struct regulator_linear_range { * REGULATOR_STATUS value (or negative errno) * @get_optimum_mode: Get the most efficient operating mode for the regulator * when running with the specified parameters. + * @set_load: Set the load for the regulator. * * @set_bypass: Set the regulator in bypass mode. * @get_bypass: Get the regulator bypass mode state. @@ -167,6 +168,8 @@ struct regulator_ops { /* get most efficient regulator operating mode for load */ unsigned int (*get_optimum_mode) (struct regulator_dev *, int input_uV, int output_uV, int load_uA); + /* set the load on the regulator */ + int (*set_load)(struct regulator_dev *, int load_uA); /* control and report on bypass mode */ int (*set_bypass)(struct regulator_dev *dev, bool enable); @@ -316,7 +319,7 @@ struct regulator_desc { * @driver_data: private regulator data * @of_node: OpenFirmware node to parse for device tree bindings (may be * NULL). - * @regmap: regmap to use for core regmap helpers if dev_get_regulator() is + * @regmap: regmap to use for core regmap helpers if dev_get_regmap() is * insufficient. * @ena_gpio_initialized: GPIO controlling regulator enable was properly * initialized, meaning that >= 0 is a valid gpio @@ -367,6 +370,7 @@ struct regulator_dev { struct device dev; struct regulation_constraints *constraints; struct regulator *supply; /* for tree */ + const char *supply_name; struct regmap *regmap; struct delayed_work disable_work; diff --git a/include/linux/rhashtable.h b/include/linux/rhashtable.h index 58851275fed9..d438eeb08bff 100644 --- a/include/linux/rhashtable.h +++ b/include/linux/rhashtable.h @@ -54,10 +54,11 @@ struct rhash_head { * @buckets: size * hash buckets */ struct bucket_table { - size_t size; - unsigned int locks_mask; - spinlock_t *locks; - struct rhash_head __rcu *buckets[]; + size_t size; + unsigned int locks_mask; + spinlock_t *locks; + + struct rhash_head __rcu *buckets[] ____cacheline_aligned_in_smp; }; typedef u32 (*rht_hashfn_t)(const void *data, u32 len, u32 seed); @@ -78,12 +79,6 @@ struct rhashtable; * @locks_mul: Number of bucket locks to allocate per cpu (default: 128) * @hashfn: Function to hash key * @obj_hashfn: Function to hash object - * @grow_decision: If defined, may return true if table should expand - * @shrink_decision: If defined, may return true if table should shrink - * - * Note: when implementing the grow and shrink decision function, min/max - * shift must be enforced, otherwise, resizing watermarks they set may be - * useless. */ struct rhashtable_params { size_t nelem_hint; @@ -97,10 +92,6 @@ struct rhashtable_params { size_t locks_mul; rht_hashfn_t hashfn; rht_obj_hashfn_t obj_hashfn; - bool (*grow_decision)(const struct rhashtable *ht, - size_t new_size); - bool (*shrink_decision)(const struct rhashtable *ht, - size_t new_size); }; /** @@ -192,9 +183,6 @@ int rhashtable_init(struct rhashtable *ht, struct rhashtable_params *params); void rhashtable_insert(struct rhashtable *ht, struct rhash_head *node); bool rhashtable_remove(struct rhashtable *ht, struct rhash_head *node); -bool rht_grow_above_75(const struct rhashtable *ht, size_t new_size); -bool rht_shrink_below_30(const struct rhashtable *ht, size_t new_size); - int rhashtable_expand(struct rhashtable *ht); int rhashtable_shrink(struct rhashtable *ht); diff --git a/include/linux/rtc.h b/include/linux/rtc.h index dcad7ee0d746..8dcf6825fa88 100644 --- a/include/linux/rtc.h +++ b/include/linux/rtc.h @@ -77,6 +77,7 @@ struct rtc_class_ops { int (*read_alarm)(struct device *, struct rtc_wkalrm *); int (*set_alarm)(struct device *, struct rtc_wkalrm *); int (*proc)(struct device *, struct seq_file *); + int (*set_mmss64)(struct device *, time64_t secs); int (*set_mmss)(struct device *, unsigned long secs); int (*read_callback)(struct device *, int data); int (*alarm_irq_enable)(struct device *, unsigned int enabled); diff --git a/include/linux/sched.h b/include/linux/sched.h index 6d77432e14ff..f74d4cc3a3e5 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -176,6 +176,14 @@ extern void get_iowait_load(unsigned long *nr_waiters, unsigned long *load); extern void calc_global_load(unsigned long ticks); extern void update_cpu_load_nohz(void); +/* Notifier for when a task gets migrated to a new CPU */ +struct task_migration_notifier { + struct task_struct *task; + int from_cpu; + int to_cpu; +}; +extern void register_task_migration_notifier(struct notifier_block *n); + extern unsigned long get_parent_ip(unsigned long addr); extern void dump_cpu_task(int cpu); @@ -329,6 +337,8 @@ extern asmlinkage void schedule_tail(struct task_struct *prev); extern void init_idle(struct task_struct *idle, int cpu); extern void init_idle_bootup_task(struct task_struct *idle); +extern cpumask_var_t cpu_isolated_map; + extern int runqueue_is_locked(int cpu); #if defined(CONFIG_SMP) && defined(CONFIG_NO_HZ_COMMON) @@ -1115,15 +1125,28 @@ struct load_weight { }; struct sched_avg { + u64 last_runnable_update; + s64 decay_count; + /* + * utilization_avg_contrib describes the amount of time that a + * sched_entity is running on a CPU. It is based on running_avg_sum + * and is scaled in the range [0..SCHED_LOAD_SCALE]. + * load_avg_contrib described the amount of time that a sched_entity + * is runnable on a rq. It is based on both runnable_avg_sum and the + * weight of the task. + */ + unsigned long load_avg_contrib, utilization_avg_contrib; /* * 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 all * choices of y < 1-2^(-32)*1024. + * running_avg_sum reflects the time that the sched_entity is + * effectively running on the CPU. + * runnable_avg_sum represents the amount of time a sched_entity is on + * a runqueue which includes the running time that is monitored by + * running_avg_sum. */ - u32 runnable_avg_sum, runnable_avg_period; - u64 last_runnable_update; - s64 decay_count; - unsigned long load_avg_contrib; + u32 runnable_avg_sum, avg_period, running_avg_sum; }; #ifdef CONFIG_SCHEDSTATS @@ -1625,11 +1648,11 @@ struct task_struct { /* * numa_faults_locality tracks if faults recorded during the last - * scan window were remote/local. The task scan period is adapted - * based on the locality of the faults with different weights - * depending on whether they were shared or private faults + * scan window were remote/local or failed to migrate. The task scan + * period is adapted based on the locality of the faults with different + * weights depending on whether they were shared or private faults */ - unsigned long numa_faults_locality[2]; + unsigned long numa_faults_locality[3]; unsigned long numa_pages_migrated; #endif /* CONFIG_NUMA_BALANCING */ @@ -1719,6 +1742,7 @@ struct task_struct { #define TNF_NO_GROUP 0x02 #define TNF_SHARED 0x04 #define TNF_FAULT_LOCAL 0x08 +#define TNF_MIGRATE_FAIL 0x10 #ifdef CONFIG_NUMA_BALANCING extern void task_numa_fault(int last_node, int node, int pages, int flags); diff --git a/include/linux/security.h b/include/linux/security.h index a1b7dbd127ff..4e14e3d6309f 100644 --- a/include/linux/security.h +++ b/include/linux/security.h @@ -1556,7 +1556,7 @@ struct security_operations { int (*inode_follow_link) (struct dentry *dentry, struct nameidata *nd); int (*inode_permission) (struct inode *inode, int mask); int (*inode_setattr) (struct dentry *dentry, struct iattr *attr); - int (*inode_getattr) (struct vfsmount *mnt, struct dentry *dentry); + int (*inode_getattr) (const struct path *path); int (*inode_setxattr) (struct dentry *dentry, const char *name, const void *value, size_t size, int flags); void (*inode_post_setxattr) (struct dentry *dentry, const char *name, @@ -1843,7 +1843,7 @@ int security_inode_readlink(struct dentry *dentry); int security_inode_follow_link(struct dentry *dentry, struct nameidata *nd); int security_inode_permission(struct inode *inode, int mask); int security_inode_setattr(struct dentry *dentry, struct iattr *attr); -int security_inode_getattr(struct vfsmount *mnt, struct dentry *dentry); +int security_inode_getattr(const struct path *path); int security_inode_setxattr(struct dentry *dentry, const char *name, const void *value, size_t size, int flags); void security_inode_post_setxattr(struct dentry *dentry, const char *name, @@ -2259,8 +2259,7 @@ static inline int security_inode_setattr(struct dentry *dentry, return 0; } -static inline int security_inode_getattr(struct vfsmount *mnt, - struct dentry *dentry) +static inline int security_inode_getattr(const struct path *path) { return 0; } diff --git a/include/linux/seqlock.h b/include/linux/seqlock.h index f5df8f687b4d..5f68d0a391ce 100644 --- a/include/linux/seqlock.h +++ b/include/linux/seqlock.h @@ -108,7 +108,7 @@ static inline unsigned __read_seqcount_begin(const seqcount_t *s) unsigned ret; repeat: - ret = ACCESS_ONCE(s->sequence); + ret = READ_ONCE(s->sequence); if (unlikely(ret & 1)) { cpu_relax(); goto repeat; @@ -127,7 +127,7 @@ repeat: */ static inline unsigned raw_read_seqcount(const seqcount_t *s) { - unsigned ret = ACCESS_ONCE(s->sequence); + unsigned ret = READ_ONCE(s->sequence); smp_rmb(); return ret; } @@ -179,7 +179,7 @@ static inline unsigned read_seqcount_begin(const seqcount_t *s) */ static inline unsigned raw_seqcount_begin(const seqcount_t *s) { - unsigned ret = ACCESS_ONCE(s->sequence); + unsigned ret = READ_ONCE(s->sequence); smp_rmb(); return ret & ~1; } diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h index baf3e1d08416..d10965f0d8a4 100644 --- a/include/linux/serial_core.h +++ b/include/linux/serial_core.h @@ -143,13 +143,13 @@ struct uart_port { unsigned char iotype; /* io access style */ unsigned char unused1; -#define UPIO_PORT (0) /* 8b I/O port access */ -#define UPIO_HUB6 (1) /* Hub6 ISA card */ -#define UPIO_MEM (2) /* 8b MMIO access */ -#define UPIO_MEM32 (3) /* 32b little endian */ -#define UPIO_MEM32BE (4) /* 32b big endian */ -#define UPIO_AU (5) /* Au1x00 and RT288x type IO */ -#define UPIO_TSI (6) /* Tsi108/109 type IO */ +#define UPIO_PORT (SERIAL_IO_PORT) /* 8b I/O port access */ +#define UPIO_HUB6 (SERIAL_IO_HUB6) /* Hub6 ISA card */ +#define UPIO_MEM (SERIAL_IO_MEM) /* 8b MMIO access */ +#define UPIO_MEM32 (SERIAL_IO_MEM32) /* 32b little endian */ +#define UPIO_AU (SERIAL_IO_AU) /* Au1x00 and RT288x type IO */ +#define UPIO_TSI (SERIAL_IO_TSI) /* Tsi108/109 type IO */ +#define UPIO_MEM32BE (SERIAL_IO_MEM32BE) /* 32b big endian */ unsigned int read_status_mask; /* driver specific */ unsigned int ignore_status_mask; /* driver specific */ diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index 30007afe70b3..f54d6659713a 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -948,6 +948,13 @@ static inline void skb_copy_hash(struct sk_buff *to, const struct sk_buff *from) to->l4_hash = from->l4_hash; }; +static inline void skb_sender_cpu_clear(struct sk_buff *skb) +{ +#ifdef CONFIG_XPS + skb->sender_cpu = 0; +#endif +} + #ifdef NET_SKBUFF_DATA_USES_OFFSET static inline unsigned char *skb_end_pointer(const struct sk_buff *skb) { diff --git a/include/linux/smpboot.h b/include/linux/smpboot.h index 13e929679550..d600afb21926 100644 --- a/include/linux/smpboot.h +++ b/include/linux/smpboot.h @@ -47,6 +47,5 @@ struct smp_hotplug_thread { int smpboot_register_percpu_thread(struct smp_hotplug_thread *plug_thread); void smpboot_unregister_percpu_thread(struct smp_hotplug_thread *plug_thread); -int smpboot_thread_schedule(void); #endif diff --git a/include/linux/spi/spi.h b/include/linux/spi/spi.h index ed9489d893a4..d673072346f2 100644 --- a/include/linux/spi/spi.h +++ b/include/linux/spi/spi.h @@ -162,8 +162,6 @@ struct spi_transfer; * @remove: Unbinds this driver from the spi device * @shutdown: Standard shutdown callback used during system state * transitions such as powerdown/halt and kexec - * @suspend: Standard suspend callback used during system state transitions - * @resume: Standard resume callback used during system state transitions * @driver: SPI device drivers should initialize the name and owner * field of this structure. * @@ -184,8 +182,6 @@ struct spi_driver { int (*probe)(struct spi_device *spi); int (*remove)(struct spi_device *spi); void (*shutdown)(struct spi_device *spi); - int (*suspend)(struct spi_device *spi, pm_message_t mesg); - int (*resume)(struct spi_device *spi); struct device_driver driver; }; @@ -294,6 +290,8 @@ static inline void spi_unregister_driver(struct spi_driver *sdrv) * transfer_one_message are mutually exclusive; when both * are set, the generic subsystem does not call your * transfer_one callback. + * @handle_err: the subsystem calls the driver to handle an error that occurs + * in the generic implementation of transfer_one_message(). * @unprepare_message: undo any work done by prepare_message(). * @cs_gpios: Array of GPIOs to use as chip select lines; one per CS * number. Any individual value may be -ENOENT for CS lines that @@ -448,6 +446,8 @@ struct spi_master { void (*set_cs)(struct spi_device *spi, bool enable); int (*transfer_one)(struct spi_master *master, struct spi_device *spi, struct spi_transfer *transfer); + void (*handle_err)(struct spi_master *master, + struct spi_message *message); /* gpio chip select */ int *cs_gpios; @@ -649,7 +649,7 @@ struct spi_transfer { * sequence completes. On some systems, many such sequences can execute as * as single programmed DMA transfer. On all systems, these messages are * queued, and might complete after transactions to other devices. Messages - * sent to a given spi_device are alway executed in FIFO order. + * sent to a given spi_device are always executed in FIFO order. * * The code that submits an spi_message (and its spi_transfers) * to the lower layers is responsible for managing its memory. diff --git a/include/linux/srcu.h b/include/linux/srcu.h index 9cfd9623fb03..bdeb4567b71e 100644 --- a/include/linux/srcu.h +++ b/include/linux/srcu.h @@ -182,7 +182,7 @@ static inline int srcu_read_lock_held(struct srcu_struct *sp) * lockdep_is_held() calls. */ #define srcu_dereference_check(p, sp, c) \ - __rcu_dereference_check((p), srcu_read_lock_held(sp) || (c), __rcu) + __rcu_dereference_check((p), (c) || srcu_read_lock_held(sp), __rcu) /** * srcu_dereference - fetch SRCU-protected pointer for later dereferencing diff --git a/include/linux/stacktrace.h b/include/linux/stacktrace.h index 669045ab73f3..0a34489a46b6 100644 --- a/include/linux/stacktrace.h +++ b/include/linux/stacktrace.h @@ -7,8 +7,6 @@ struct task_struct; struct pt_regs; #ifdef CONFIG_STACKTRACE -struct task_struct; - struct stack_trace { unsigned int nr_entries, max_entries; unsigned long *entries; diff --git a/include/linux/stddef.h b/include/linux/stddef.h index f4aec0e75c3a..076af437284d 100644 --- a/include/linux/stddef.h +++ b/include/linux/stddef.h @@ -19,3 +19,12 @@ enum { #define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER) #endif #endif + +/** + * offsetofend(TYPE, MEMBER) + * + * @TYPE: The type of the structure + * @MEMBER: The member within the structure to get the end offset of + */ +#define offsetofend(TYPE, MEMBER) \ + (offsetof(TYPE, MEMBER) + sizeof(((TYPE *)0)->MEMBER)) diff --git a/include/linux/sunrpc/debug.h b/include/linux/sunrpc/debug.h index c57d8ea0716c..59a7889e15db 100644 --- a/include/linux/sunrpc/debug.h +++ b/include/linux/sunrpc/debug.h @@ -60,17 +60,17 @@ struct rpc_xprt; #if IS_ENABLED(CONFIG_SUNRPC_DEBUG) void rpc_register_sysctl(void); void rpc_unregister_sysctl(void); -int sunrpc_debugfs_init(void); +void sunrpc_debugfs_init(void); void sunrpc_debugfs_exit(void); -int rpc_clnt_debugfs_register(struct rpc_clnt *); +void rpc_clnt_debugfs_register(struct rpc_clnt *); void rpc_clnt_debugfs_unregister(struct rpc_clnt *); -int rpc_xprt_debugfs_register(struct rpc_xprt *); +void rpc_xprt_debugfs_register(struct rpc_xprt *); void rpc_xprt_debugfs_unregister(struct rpc_xprt *); #else -static inline int +static inline void sunrpc_debugfs_init(void) { - return 0; + return; } static inline void @@ -79,10 +79,10 @@ sunrpc_debugfs_exit(void) return; } -static inline int +static inline void rpc_clnt_debugfs_register(struct rpc_clnt *clnt) { - return 0; + return; } static inline void @@ -91,10 +91,10 @@ rpc_clnt_debugfs_unregister(struct rpc_clnt *clnt) return; } -static inline int +static inline void rpc_xprt_debugfs_register(struct rpc_xprt *xprt) { - return 0; + return; } static inline void diff --git a/include/linux/sysfs.h b/include/linux/sysfs.h index ddad16148bd6..99382c0df17e 100644 --- a/include/linux/sysfs.h +++ b/include/linux/sysfs.h @@ -57,6 +57,21 @@ do { \ #define sysfs_attr_init(attr) do {} while (0) #endif +/** + * struct attribute_group - data structure used to declare an attribute group. + * @name: Optional: Attribute group name + * If specified, the attribute group will be created in + * a new subdirectory with this name. + * @is_visible: Optional: Function to return permissions associated with an + * attribute of the group. Will be called repeatedly for each + * attribute in the group. Only read/write permissions as well as + * SYSFS_PREALLOC are accepted. Must return 0 if an attribute is + * not visible. The returned value will replace static permissions + * defined in struct attribute or struct bin_attribute. + * @attrs: Pointer to NULL terminated list of attributes. + * @bin_attrs: Pointer to NULL terminated list of binary attributes. + * Either attrs or bin_attrs or both must be provided. + */ struct attribute_group { const char *name; umode_t (*is_visible)(struct kobject *, diff --git a/include/linux/thermal.h b/include/linux/thermal.h index fc52e307efab..5eac316490ea 100644 --- a/include/linux/thermal.h +++ b/include/linux/thermal.h @@ -314,6 +314,8 @@ void thermal_zone_of_sensor_unregister(struct device *dev, } #endif + +#if IS_ENABLED(CONFIG_THERMAL) struct thermal_zone_device *thermal_zone_device_register(const char *, int, int, void *, struct thermal_zone_device_ops *, const struct thermal_zone_params *, int, int); @@ -340,8 +342,58 @@ struct thermal_instance *get_thermal_instance(struct thermal_zone_device *, struct thermal_cooling_device *, int); void thermal_cdev_update(struct thermal_cooling_device *); void thermal_notify_framework(struct thermal_zone_device *, int); - -#ifdef CONFIG_NET +#else +static inline struct thermal_zone_device *thermal_zone_device_register( + const char *type, int trips, int mask, void *devdata, + struct thermal_zone_device_ops *ops, + const struct thermal_zone_params *tzp, + int passive_delay, int polling_delay) +{ return ERR_PTR(-ENODEV); } +static inline void thermal_zone_device_unregister( + struct thermal_zone_device *tz) +{ } +static inline int thermal_zone_bind_cooling_device( + struct thermal_zone_device *tz, int trip, + struct thermal_cooling_device *cdev, + unsigned long upper, unsigned long lower) +{ return -ENODEV; } +static inline int thermal_zone_unbind_cooling_device( + struct thermal_zone_device *tz, int trip, + struct thermal_cooling_device *cdev) +{ return -ENODEV; } +static inline void thermal_zone_device_update(struct thermal_zone_device *tz) +{ } +static inline struct thermal_cooling_device * +thermal_cooling_device_register(char *type, void *devdata, + const struct thermal_cooling_device_ops *ops) +{ return ERR_PTR(-ENODEV); } +static inline struct thermal_cooling_device * +thermal_of_cooling_device_register(struct device_node *np, + char *type, void *devdata, const struct thermal_cooling_device_ops *ops) +{ return ERR_PTR(-ENODEV); } +static inline void thermal_cooling_device_unregister( + struct thermal_cooling_device *cdev) +{ } +static inline struct thermal_zone_device *thermal_zone_get_zone_by_name( + const char *name) +{ return ERR_PTR(-ENODEV); } +static inline int thermal_zone_get_temp( + struct thermal_zone_device *tz, unsigned long *temp) +{ return -ENODEV; } +static inline int get_tz_trend(struct thermal_zone_device *tz, int trip) +{ return -ENODEV; } +static inline struct thermal_instance * +get_thermal_instance(struct thermal_zone_device *tz, + struct thermal_cooling_device *cdev, int trip) +{ return ERR_PTR(-ENODEV); } +static inline void thermal_cdev_update(struct thermal_cooling_device *cdev) +{ } +static inline void thermal_notify_framework(struct thermal_zone_device *tz, + int trip) +{ } +#endif /* CONFIG_THERMAL */ + +#if defined(CONFIG_NET) && IS_ENABLED(CONFIG_THERMAL) extern int thermal_generate_netlink_event(struct thermal_zone_device *tz, enum events event); #else diff --git a/include/linux/tick.h b/include/linux/tick.h index 9c085dc12ae9..f8492da57ad3 100644 --- a/include/linux/tick.h +++ b/include/linux/tick.h @@ -1,7 +1,5 @@ -/* linux/include/linux/tick.h - * - * This file contains the structure definitions for tick related functions - * +/* + * Tick related global functions */ #ifndef _LINUX_TICK_H #define _LINUX_TICK_H @@ -9,149 +7,99 @@ #include <linux/clockchips.h> #include <linux/irqflags.h> #include <linux/percpu.h> -#include <linux/hrtimer.h> #include <linux/context_tracking_state.h> #include <linux/cpumask.h> #include <linux/sched.h> #ifdef CONFIG_GENERIC_CLOCKEVENTS - -enum tick_device_mode { - TICKDEV_MODE_PERIODIC, - TICKDEV_MODE_ONESHOT, -}; - -struct tick_device { - struct clock_event_device *evtdev; - enum tick_device_mode mode; -}; - -enum tick_nohz_mode { - NOHZ_MODE_INACTIVE, - NOHZ_MODE_LOWRES, - NOHZ_MODE_HIGHRES, -}; - -/** - * struct tick_sched - sched tick emulation and no idle tick control/stats - * @sched_timer: hrtimer to schedule the periodic tick in high - * resolution mode - * @last_tick: Store the last tick expiry time when the tick - * timer is modified for nohz sleeps. This is necessary - * to resume the tick timer operation in the timeline - * when the CPU returns from nohz sleep. - * @tick_stopped: Indicator that the idle tick has been stopped - * @idle_jiffies: jiffies at the entry to idle for idle time accounting - * @idle_calls: Total number of idle calls - * @idle_sleeps: Number of idle calls, where the sched tick was stopped - * @idle_entrytime: Time when the idle call was entered - * @idle_waketime: Time when the idle was interrupted - * @idle_exittime: Time when the idle state was left - * @idle_sleeptime: Sum of the time slept in idle with sched tick stopped - * @iowait_sleeptime: Sum of the time slept in idle with sched tick stopped, with IO outstanding - * @sleep_length: Duration of the current idle sleep - * @do_timer_lst: CPU was the last one doing do_timer before going idle - */ -struct tick_sched { - struct hrtimer sched_timer; - unsigned long check_clocks; - enum tick_nohz_mode nohz_mode; - ktime_t last_tick; - int inidle; - int tick_stopped; - unsigned long idle_jiffies; - unsigned long idle_calls; - unsigned long idle_sleeps; - int idle_active; - ktime_t idle_entrytime; - ktime_t idle_waketime; - ktime_t idle_exittime; - ktime_t idle_sleeptime; - ktime_t iowait_sleeptime; - ktime_t sleep_length; - unsigned long last_jiffies; - unsigned long next_jiffies; - ktime_t idle_expires; - int do_timer_last; -}; - extern void __init tick_init(void); -extern int tick_is_oneshot_available(void); -extern struct tick_device *tick_get_device(int cpu); - extern void tick_freeze(void); extern void tick_unfreeze(void); +/* Should be core only, but ARM BL switcher requires it */ +extern void tick_suspend_local(void); +/* Should be core only, but XEN resume magic and ARM BL switcher require it */ +extern void tick_resume_local(void); +extern void tick_handover_do_timer(void); +extern void tick_cleanup_dead_cpu(int cpu); +#else /* CONFIG_GENERIC_CLOCKEVENTS */ +static inline void tick_init(void) { } +static inline void tick_freeze(void) { } +static inline void tick_unfreeze(void) { } +static inline void tick_suspend_local(void) { } +static inline void tick_resume_local(void) { } +static inline void tick_handover_do_timer(void) { } +static inline void tick_cleanup_dead_cpu(int cpu) { } +#endif /* !CONFIG_GENERIC_CLOCKEVENTS */ -# ifdef CONFIG_HIGH_RES_TIMERS -extern int tick_init_highres(void); -extern int tick_program_event(ktime_t expires, int force); -extern void tick_setup_sched_timer(void); -# endif - -# if defined CONFIG_NO_HZ_COMMON || defined CONFIG_HIGH_RES_TIMERS -extern void tick_cancel_sched_timer(int cpu); -# else -static inline void tick_cancel_sched_timer(int cpu) { } -# endif - -# ifdef CONFIG_GENERIC_CLOCKEVENTS_BROADCAST -extern struct tick_device *tick_get_broadcast_device(void); -extern struct cpumask *tick_get_broadcast_mask(void); - -# ifdef CONFIG_TICK_ONESHOT -extern struct cpumask *tick_get_broadcast_oneshot_mask(void); -# endif - -# endif /* BROADCAST */ - -# ifdef CONFIG_TICK_ONESHOT -extern void tick_clock_notify(void); -extern int tick_check_oneshot_change(int allow_nohz); -extern struct tick_sched *tick_get_tick_sched(int cpu); +#ifdef CONFIG_TICK_ONESHOT extern void tick_irq_enter(void); -extern int tick_oneshot_mode_active(void); # ifndef arch_needs_cpu # define arch_needs_cpu() (0) # endif # else -static inline void tick_clock_notify(void) { } -static inline int tick_check_oneshot_change(int allow_nohz) { return 0; } static inline void tick_irq_enter(void) { } -static inline int tick_oneshot_mode_active(void) { return 0; } -# endif +#endif -#else /* CONFIG_GENERIC_CLOCKEVENTS */ -static inline void tick_init(void) { } -static inline void tick_freeze(void) { } -static inline void tick_unfreeze(void) { } -static inline void tick_cancel_sched_timer(int cpu) { } -static inline void tick_clock_notify(void) { } -static inline int tick_check_oneshot_change(int allow_nohz) { return 0; } -static inline void tick_irq_enter(void) { } -static inline int tick_oneshot_mode_active(void) { return 0; } -#endif /* !CONFIG_GENERIC_CLOCKEVENTS */ +#if defined(CONFIG_GENERIC_CLOCKEVENTS_BROADCAST) && defined(CONFIG_TICK_ONESHOT) +extern void hotplug_cpu__broadcast_tick_pull(int dead_cpu); +#else +static inline void hotplug_cpu__broadcast_tick_pull(int dead_cpu) { } +#endif -# ifdef CONFIG_NO_HZ_COMMON -DECLARE_PER_CPU(struct tick_sched, tick_cpu_sched); +enum tick_broadcast_mode { + TICK_BROADCAST_OFF, + TICK_BROADCAST_ON, + TICK_BROADCAST_FORCE, +}; + +enum tick_broadcast_state { + TICK_BROADCAST_EXIT, + TICK_BROADCAST_ENTER, +}; + +#ifdef CONFIG_GENERIC_CLOCKEVENTS_BROADCAST +extern void tick_broadcast_control(enum tick_broadcast_mode mode); +#else +static inline void tick_broadcast_control(enum tick_broadcast_mode mode) { } +#endif /* BROADCAST */ + +#if defined(CONFIG_GENERIC_CLOCKEVENTS_BROADCAST) && defined(CONFIG_TICK_ONESHOT) +extern int tick_broadcast_oneshot_control(enum tick_broadcast_state state); +#else +static inline int tick_broadcast_oneshot_control(enum tick_broadcast_state state) { return 0; } +#endif -static inline int tick_nohz_tick_stopped(void) +static inline void tick_broadcast_enable(void) +{ + tick_broadcast_control(TICK_BROADCAST_ON); +} +static inline void tick_broadcast_disable(void) +{ + tick_broadcast_control(TICK_BROADCAST_OFF); +} +static inline void tick_broadcast_force(void) +{ + tick_broadcast_control(TICK_BROADCAST_FORCE); +} +static inline int tick_broadcast_enter(void) { - return __this_cpu_read(tick_cpu_sched.tick_stopped); + return tick_broadcast_oneshot_control(TICK_BROADCAST_ENTER); +} +static inline void tick_broadcast_exit(void) +{ + tick_broadcast_oneshot_control(TICK_BROADCAST_EXIT); } +#ifdef CONFIG_NO_HZ_COMMON +extern int tick_nohz_tick_stopped(void); extern void tick_nohz_idle_enter(void); extern void tick_nohz_idle_exit(void); extern void tick_nohz_irq_exit(void); extern ktime_t tick_nohz_get_sleep_length(void); extern u64 get_cpu_idle_time_us(int cpu, u64 *last_update_time); extern u64 get_cpu_iowait_time_us(int cpu, u64 *last_update_time); - -# else /* !CONFIG_NO_HZ_COMMON */ -static inline int tick_nohz_tick_stopped(void) -{ - return 0; -} - +#else /* !CONFIG_NO_HZ_COMMON */ +static inline int tick_nohz_tick_stopped(void) { return 0; } static inline void tick_nohz_idle_enter(void) { } static inline void tick_nohz_idle_exit(void) { } @@ -163,7 +111,7 @@ static inline ktime_t tick_nohz_get_sleep_length(void) } static inline u64 get_cpu_idle_time_us(int cpu, u64 *unused) { return -1; } static inline u64 get_cpu_iowait_time_us(int cpu, u64 *unused) { return -1; } -# endif /* !CONFIG_NO_HZ_COMMON */ +#endif /* !CONFIG_NO_HZ_COMMON */ #ifdef CONFIG_NO_HZ_FULL extern bool tick_nohz_full_running; diff --git a/include/linux/timekeeper_internal.h b/include/linux/timekeeper_internal.h index 05af9a334893..fb86963859c7 100644 --- a/include/linux/timekeeper_internal.h +++ b/include/linux/timekeeper_internal.h @@ -16,16 +16,16 @@ * @read: Read function of @clock * @mask: Bitmask for two's complement subtraction of non 64bit clocks * @cycle_last: @clock cycle value at last update - * @mult: NTP adjusted multiplier for scaled math conversion + * @mult: (NTP adjusted) multiplier for scaled math conversion * @shift: Shift value for scaled math conversion * @xtime_nsec: Shifted (fractional) nano seconds offset for readout - * @base_mono: ktime_t (nanoseconds) base time for readout + * @base: ktime_t (nanoseconds) base time for readout * * This struct has size 56 byte on 64 bit. Together with a seqcount it * occupies a single 64byte cache line. * * The struct is separate from struct timekeeper as it is also used - * for a fast NMI safe accessor to clock monotonic. + * for a fast NMI safe accessors. */ struct tk_read_base { struct clocksource *clock; @@ -35,12 +35,13 @@ struct tk_read_base { u32 mult; u32 shift; u64 xtime_nsec; - ktime_t base_mono; + ktime_t base; }; /** * struct timekeeper - Structure holding internal timekeeping values. - * @tkr: The readout base structure + * @tkr_mono: The readout base structure for CLOCK_MONOTONIC + * @tkr_raw: The readout base structure for CLOCK_MONOTONIC_RAW * @xtime_sec: Current CLOCK_REALTIME time in seconds * @ktime_sec: Current CLOCK_MONOTONIC time in seconds * @wall_to_monotonic: CLOCK_REALTIME to CLOCK_MONOTONIC offset @@ -48,7 +49,6 @@ struct tk_read_base { * @offs_boot: Offset clock monotonic -> clock boottime * @offs_tai: Offset clock monotonic -> clock tai * @tai_offset: The current UTC to TAI offset in seconds - * @base_raw: Monotonic raw base time in ktime_t format * @raw_time: Monotonic raw base time in timespec64 format * @cycle_interval: Number of clock cycles in one NTP interval * @xtime_interval: Number of clock shifted nano seconds in one NTP @@ -76,7 +76,8 @@ struct tk_read_base { * used instead. */ struct timekeeper { - struct tk_read_base tkr; + struct tk_read_base tkr_mono; + struct tk_read_base tkr_raw; u64 xtime_sec; unsigned long ktime_sec; struct timespec64 wall_to_monotonic; @@ -84,7 +85,6 @@ struct timekeeper { ktime_t offs_boot; ktime_t offs_tai; s32 tai_offset; - ktime_t base_raw; struct timespec64 raw_time; /* The following members are for timekeeping internal use */ diff --git a/include/linux/timekeeping.h b/include/linux/timekeeping.h index 3eaae4754275..99176af216af 100644 --- a/include/linux/timekeeping.h +++ b/include/linux/timekeeping.h @@ -214,12 +214,18 @@ static inline u64 ktime_get_boot_ns(void) return ktime_to_ns(ktime_get_boottime()); } +static inline u64 ktime_get_tai_ns(void) +{ + return ktime_to_ns(ktime_get_clocktai()); +} + static inline u64 ktime_get_raw_ns(void) { return ktime_to_ns(ktime_get_raw()); } extern u64 ktime_get_mono_fast_ns(void); +extern u64 ktime_get_raw_fast_ns(void); /* * Timespec interfaces utilizing the ktime based ones @@ -242,6 +248,9 @@ static inline void timekeeping_clocktai(struct timespec *ts) /* * RTC specific */ +extern bool timekeeping_rtc_skipsuspend(void); +extern bool timekeeping_rtc_skipresume(void); + extern void timekeeping_inject_sleeptime64(struct timespec64 *delta); /* @@ -253,17 +262,14 @@ extern void getnstime_raw_and_real(struct timespec *ts_raw, /* * Persistent clock related interfaces */ -extern bool persistent_clock_exist; extern int persistent_clock_is_local; -static inline bool has_persistent_clock(void) -{ - return persistent_clock_exist; -} - extern void read_persistent_clock(struct timespec *ts); +extern void read_persistent_clock64(struct timespec64 *ts); extern void read_boot_clock(struct timespec *ts); +extern void read_boot_clock64(struct timespec64 *ts); extern int update_persistent_clock(struct timespec now); +extern int update_persistent_clock64(struct timespec64 now); #endif diff --git a/include/linux/tracefs.h b/include/linux/tracefs.h new file mode 100644 index 000000000000..5b727a17beee --- /dev/null +++ b/include/linux/tracefs.h @@ -0,0 +1,45 @@ +/* + * tracefs.h - a pseudo file system for activating tracing + * + * Based on debugfs by: 2004 Greg Kroah-Hartman <greg@kroah.com> + * + * Copyright (C) 2014 Red Hat Inc, author: Steven Rostedt <srostedt@redhat.com> + * + * 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. + * + * tracefs is the file system that is used by the tracing infrastructure. + * + */ + +#ifndef _TRACEFS_H_ +#define _TRACEFS_H_ + +#include <linux/fs.h> +#include <linux/seq_file.h> + +#include <linux/types.h> + +struct file_operations; + +#ifdef CONFIG_TRACING + +struct dentry *tracefs_create_file(const char *name, umode_t mode, + struct dentry *parent, void *data, + const struct file_operations *fops); + +struct dentry *tracefs_create_dir(const char *name, struct dentry *parent); + +void tracefs_remove(struct dentry *dentry); +void tracefs_remove_recursive(struct dentry *dentry); + +struct dentry *tracefs_create_instance_dir(const char *name, struct dentry *parent, + int (*mkdir)(const char *name), + int (*rmdir)(const char *name)); + +bool tracefs_initialized(void); + +#endif /* CONFIG_TRACING */ + +#endif diff --git a/include/linux/tracepoint.h b/include/linux/tracepoint.h index c72851328ca9..a5f7f3ecafa3 100644 --- a/include/linux/tracepoint.h +++ b/include/linux/tracepoint.h @@ -36,6 +36,12 @@ struct tracepoint { struct tracepoint_func __rcu *funcs; }; +struct trace_enum_map { + const char *system; + const char *enum_string; + unsigned long enum_value; +}; + extern int tracepoint_probe_register(struct tracepoint *tp, void *probe, void *data); extern int @@ -87,6 +93,8 @@ extern void syscall_unregfunc(void); #define PARAMS(args...) args +#define TRACE_DEFINE_ENUM(x) + #endif /* _LINUX_TRACEPOINT_H */ /* diff --git a/include/linux/uio.h b/include/linux/uio.h index 07a022641996..15f11fb9fff6 100644 --- a/include/linux/uio.h +++ b/include/linux/uio.h @@ -76,6 +76,7 @@ size_t iov_iter_copy_from_user_atomic(struct page *page, struct iov_iter *i, unsigned long offset, size_t bytes); void iov_iter_advance(struct iov_iter *i, size_t bytes); int iov_iter_fault_in_readable(struct iov_iter *i, size_t bytes); +int iov_iter_fault_in_multipages_readable(struct iov_iter *i, size_t bytes); size_t iov_iter_single_seg_count(const struct iov_iter *i); size_t copy_page_to_iter(struct page *page, size_t offset, size_t bytes, struct iov_iter *i); @@ -98,6 +99,8 @@ ssize_t iov_iter_get_pages_alloc(struct iov_iter *i, struct page ***pages, size_t maxsize, size_t *start); int iov_iter_npages(const struct iov_iter *i, int maxpages); +const void *dup_iter(struct iov_iter *new, struct iov_iter *old, gfp_t flags); + static inline size_t iov_iter_count(struct iov_iter *i) { return i->count; @@ -137,4 +140,18 @@ static inline void iov_iter_reexpand(struct iov_iter *i, size_t count) size_t csum_and_copy_to_iter(void *addr, size_t bytes, __wsum *csum, struct iov_iter *i); size_t csum_and_copy_from_iter(void *addr, size_t bytes, __wsum *csum, struct iov_iter *i); +int import_iovec(int type, const struct iovec __user * uvector, + unsigned nr_segs, unsigned fast_segs, + struct iovec **iov, struct iov_iter *i); + +#ifdef CONFIG_COMPAT +struct compat_iovec; +int compat_import_iovec(int type, const struct compat_iovec __user * uvector, + unsigned nr_segs, unsigned fast_segs, + struct iovec **iov, struct iov_iter *i); +#endif + +int import_single_range(int type, void __user *buf, size_t len, + struct iovec *iov, struct iov_iter *i); + #endif diff --git a/include/linux/usb.h b/include/linux/usb.h index 7ee1b5c3b4cb..447fe29b55b4 100644 --- a/include/linux/usb.h +++ b/include/linux/usb.h @@ -205,6 +205,32 @@ void usb_put_intf(struct usb_interface *intf); #define USB_MAXINTERFACES 32 #define USB_MAXIADS (USB_MAXINTERFACES/2) +/* + * USB Resume Timer: Every Host controller driver should drive the resume + * signalling on the bus for the amount of time defined by this macro. + * + * That way we will have a 'stable' behavior among all HCDs supported by Linux. + * + * Note that the USB Specification states we should drive resume for *at least* + * 20 ms, but it doesn't give an upper bound. This creates two possible + * situations which we want to avoid: + * + * (a) sometimes an msleep(20) might expire slightly before 20 ms, which causes + * us to fail USB Electrical Tests, thus failing Certification + * + * (b) Some (many) devices actually need more than 20 ms of resume signalling, + * and while we can argue that's against the USB Specification, we don't have + * control over which devices a certification laboratory will be using for + * certification. If CertLab uses a device which was tested against Windows and + * that happens to have relaxed resume signalling rules, we might fall into + * situations where we fail interoperability and electrical tests. + * + * In order to avoid both conditions, we're using a 40 ms resume timeout, which + * should cope with both LPJ calibration errors and devices not following every + * detail of the USB Specification. + */ +#define USB_RESUME_TIMEOUT 40 /* ms */ + /** * struct usb_interface_cache - long-term representation of a device interface * @num_altsetting: number of altsettings defined. diff --git a/include/linux/usb/chipidea.h b/include/linux/usb/chipidea.h index 535997a6681b..ab94f78c4dd1 100644 --- a/include/linux/usb/chipidea.h +++ b/include/linux/usb/chipidea.h @@ -19,6 +19,7 @@ struct ci_hdrc_platform_data { enum usb_phy_interface phy_mode; unsigned long flags; #define CI_HDRC_REGS_SHARED BIT(0) +#define CI_HDRC_SUPPORTS_RUNTIME_PM BIT(2) #define CI_HDRC_DISABLE_STREAMING BIT(3) /* * Only set it when DCCPARAMS.DC==1 and DCCPARAMS.HC==1, @@ -27,6 +28,7 @@ struct ci_hdrc_platform_data { #define CI_HDRC_DUAL_ROLE_NOT_OTG BIT(4) #define CI_HDRC_IMX28_WRITE_FIX BIT(5) #define CI_HDRC_FORCE_FULLSPEED BIT(6) +#define CI_HDRC_TURN_VBUS_EARLY_ON BIT(7) enum usb_dr_mode dr_mode; #define CI_HDRC_CONTROLLER_RESET_EVENT 0 #define CI_HDRC_CONTROLLER_STOPPED_EVENT 1 diff --git a/include/linux/usb/composite.h b/include/linux/usb/composite.h index 3d87defcc527..2511469a9904 100644 --- a/include/linux/usb/composite.h +++ b/include/linux/usb/composite.h @@ -148,6 +148,7 @@ struct usb_os_desc_table { * @disable: (REQUIRED) Indicates the function should be disabled. Reasons * include host resetting or reconfiguring the gadget, and disconnection. * @setup: Used for interface-specific control requests. + * @req_match: Tests if a given class request can be handled by this function. * @suspend: Notifies functions when the host stops sending USB traffic. * @resume: Notifies functions when the host restarts USB traffic. * @get_status: Returns function status as a reply to @@ -213,6 +214,8 @@ struct usb_function { void (*disable)(struct usb_function *); int (*setup)(struct usb_function *, const struct usb_ctrlrequest *); + bool (*req_match)(struct usb_function *, + const struct usb_ctrlrequest *); void (*suspend)(struct usb_function *); void (*resume)(struct usb_function *); diff --git a/include/linux/usb/gadget.h b/include/linux/usb/gadget.h index e2f00fd8cd47..4f3dfb7d0654 100644 --- a/include/linux/usb/gadget.h +++ b/include/linux/usb/gadget.h @@ -190,7 +190,7 @@ struct usb_ep { * @ep:the endpoint being configured * @maxpacket_limit:value of maximum packet size limit * - * This function shoud be used only in UDC drivers to initialize endpoint + * This function should be used only in UDC drivers to initialize endpoint * (usually in probe function). */ static inline void usb_ep_set_maxpacket_limit(struct usb_ep *ep, @@ -474,6 +474,7 @@ struct usb_dcd_config_params { struct usb_gadget; struct usb_gadget_driver; +struct usb_udc; /* the rest of the api to the controller hardware: device operations, * which don't involve endpoints (or i/o). @@ -496,6 +497,7 @@ struct usb_gadget_ops { /** * struct usb_gadget - represents a usb slave device * @work: (internal use) Workqueue to be used for sysfs_notify() + * @udc: struct usb_udc pointer for this gadget * @ops: Function pointers used to access hardware-specific operations. * @ep0: Endpoint zero, used when reading or writing responses to * driver setup() requests @@ -545,6 +547,7 @@ struct usb_gadget_ops { */ struct usb_gadget { struct work_struct work; + struct usb_udc *udc; /* readonly to gadget driver */ const struct usb_gadget_ops *ops; struct usb_ep *ep0; @@ -1029,6 +1032,10 @@ extern void usb_gadget_udc_reset(struct usb_gadget *gadget, extern void usb_gadget_giveback_request(struct usb_ep *ep, struct usb_request *req); +/*-------------------------------------------------------------------------*/ + +/* utility to update vbus status for udc core, it may be scheduled */ +extern void usb_udc_vbus_handler(struct usb_gadget *gadget, bool status); /*-------------------------------------------------------------------------*/ diff --git a/include/linux/usb/msm_hsusb.h b/include/linux/usb/msm_hsusb.h index b0a39243295a..7dbecf9a4656 100644 --- a/include/linux/usb/msm_hsusb.h +++ b/include/linux/usb/msm_hsusb.h @@ -117,8 +117,6 @@ struct msm_otg_platform_data { enum otg_control_type otg_control; enum msm_usb_phy_type phy_type; void (*setup_gpio)(enum usb_otg_state state); - int (*link_clk_reset)(struct clk *link_clk, bool assert); - int (*phy_clk_reset)(struct clk *phy_clk); }; /** @@ -128,7 +126,6 @@ struct msm_otg_platform_data { * @irq: IRQ number assigned for HSUSB controller. * @clk: clock struct of usb_hs_clk. * @pclk: clock struct of usb_hs_pclk. - * @phy_reset_clk: clock struct of usb_phy_clk. * @core_clk: clock struct of usb_hs_core_clk. * @regs: ioremapped register base address. * @inputs: OTG state machine inputs(Id, SessValid etc). @@ -148,7 +145,6 @@ struct msm_otg { int irq; struct clk *clk; struct clk *pclk; - struct clk *phy_reset_clk; struct clk *core_clk; void __iomem *regs; #define ID 0 diff --git a/include/linux/usb/otg-fsm.h b/include/linux/usb/otg-fsm.h index b6ba1bfb86f2..f728f1854829 100644 --- a/include/linux/usb/otg-fsm.h +++ b/include/linux/usb/otg-fsm.h @@ -53,6 +53,8 @@ enum otg_fsm_timer { B_SE0_SRP, B_SRP_FAIL, A_WAIT_ENUM, + B_DATA_PLS, + B_SSEND_SRP, NUM_OTG_FSM_TIMERS, }; diff --git a/include/linux/usb/renesas_usbhs.h b/include/linux/usb/renesas_usbhs.h index 9fd9e481ea98..f06529c14141 100644 --- a/include/linux/usb/renesas_usbhs.h +++ b/include/linux/usb/renesas_usbhs.h @@ -165,6 +165,8 @@ struct renesas_usbhs_driver_param { */ u32 has_otg:1; /* for controlling PWEN/EXTLP */ u32 has_sudmac:1; /* for SUDMAC */ + u32 has_usb_dmac:1; /* for USB-DMAC */ +#define USBHS_USB_DMAC_XFER_SIZE 32 /* hardcode the xfer size */ }; #define USBHS_TYPE_R8A7790 1 diff --git a/include/linux/usb/serial.h b/include/linux/usb/serial.h index 9bb547c7bce7..704a1ab8240c 100644 --- a/include/linux/usb/serial.h +++ b/include/linux/usb/serial.h @@ -190,8 +190,7 @@ static inline void usb_set_serial_data(struct usb_serial *serial, void *data) * @num_ports: the number of different ports this device will have. * @bulk_in_size: minimum number of bytes to allocate for bulk-in buffer * (0 = end-point size) - * @bulk_out_size: minimum number of bytes to allocate for bulk-out buffer - * (0 = end-point size) + * @bulk_out_size: bytes to allocate for bulk-out buffer (0 = end-point size) * @calc_num_ports: pointer to a function to determine how many ports this * device has dynamically. It will be called after the probe() * callback is called, but before attach() diff --git a/include/linux/usb/usbnet.h b/include/linux/usb/usbnet.h index d9a4905e01d0..6e0ce8c7b8cb 100644 --- a/include/linux/usb/usbnet.h +++ b/include/linux/usb/usbnet.h @@ -227,9 +227,23 @@ struct skb_data { /* skb->cb is one of these */ struct urb *urb; struct usbnet *dev; enum skb_state state; - size_t length; + long length; + unsigned long packets; }; +/* Drivers that set FLAG_MULTI_PACKET must call this in their + * tx_fixup method before returning an skb. + */ +static inline void +usbnet_set_skb_tx_stats(struct sk_buff *skb, + unsigned long packets, long bytes_delta) +{ + struct skb_data *entry = (struct skb_data *) skb->cb; + + entry->packets = packets; + entry->length = bytes_delta; +} + extern int usbnet_open(struct net_device *net); extern int usbnet_stop(struct net_device *net); extern netdev_tx_t usbnet_start_xmit(struct sk_buff *skb, diff --git a/include/linux/uwb/umc.h b/include/linux/uwb/umc.h index ba82f03d8287..02112299a1d3 100644 --- a/include/linux/uwb/umc.h +++ b/include/linux/uwb/umc.h @@ -87,8 +87,6 @@ struct umc_driver { int (*probe)(struct umc_dev *); void (*remove)(struct umc_dev *); - int (*suspend)(struct umc_dev *, pm_message_t state); - int (*resume)(struct umc_dev *); int (*pre_reset)(struct umc_dev *); int (*post_reset)(struct umc_dev *); diff --git a/include/linux/vfio.h b/include/linux/vfio.h index 2d67b8998fd8..049b2f497bc7 100644 --- a/include/linux/vfio.h +++ b/include/linux/vfio.h @@ -78,19 +78,6 @@ extern int vfio_register_iommu_driver(const struct vfio_iommu_driver_ops *ops); extern void vfio_unregister_iommu_driver( const struct vfio_iommu_driver_ops *ops); -/** - * offsetofend(TYPE, MEMBER) - * - * @TYPE: The type of the structure - * @MEMBER: The member within the structure to get the end offset of - * - * Simple helper macro for dealing with variable sized structures passed - * from user space. This allows us to easily determine if the provided - * structure is sized to include various fields. - */ -#define offsetofend(TYPE, MEMBER) \ - (offsetof(TYPE, MEMBER) + sizeof(((TYPE *)0)->MEMBER)) - /* * External user API */ diff --git a/include/linux/vmalloc.h b/include/linux/vmalloc.h index 7d7acb35603d..0ec598381f97 100644 --- a/include/linux/vmalloc.h +++ b/include/linux/vmalloc.h @@ -17,6 +17,7 @@ struct vm_area_struct; /* vma defining user mapping in mm_types.h */ #define VM_VPAGES 0x00000010 /* buffer for pages was vmalloc'ed */ #define VM_UNINITIALIZED 0x00000020 /* vm_struct is not fully initialized */ #define VM_NO_GUARD 0x00000040 /* don't add guard page */ +#define VM_KASAN 0x00000080 /* has allocated kasan shadow memory */ /* bits [20..32] reserved for arch specific ioremap internals */ /* diff --git a/include/linux/vme.h b/include/linux/vme.h index 8cd6f19ca518..79242e9c06b8 100644 --- a/include/linux/vme.h +++ b/include/linux/vme.h @@ -137,6 +137,7 @@ ssize_t vme_master_read(struct vme_resource *, void *, size_t, loff_t); ssize_t vme_master_write(struct vme_resource *, void *, size_t, loff_t); unsigned int vme_master_rmw(struct vme_resource *, unsigned int, unsigned int, unsigned int, loff_t); +int vme_master_mmap(struct vme_resource *resource, struct vm_area_struct *vma); void vme_master_free(struct vme_resource *); struct vme_resource *vme_dma_request(struct vme_dev *, u32); diff --git a/include/linux/watchdog.h b/include/linux/watchdog.h index 395b70e0eccf..a746bf5216f8 100644 --- a/include/linux/watchdog.h +++ b/include/linux/watchdog.h @@ -137,4 +137,12 @@ extern int watchdog_init_timeout(struct watchdog_device *wdd, extern int watchdog_register_device(struct watchdog_device *); extern void watchdog_unregister_device(struct watchdog_device *); +#ifdef CONFIG_HARDLOCKUP_DETECTOR +void watchdog_nmi_disable_all(void); +void watchdog_nmi_enable_all(void); +#else +static inline void watchdog_nmi_disable_all(void) {} +static inline void watchdog_nmi_enable_all(void) {} +#endif + #endif /* ifndef _LINUX_WATCHDOG_H */ diff --git a/include/linux/workqueue.h b/include/linux/workqueue.h index 74db135f9957..deee212af8e0 100644 --- a/include/linux/workqueue.h +++ b/include/linux/workqueue.h @@ -70,7 +70,8 @@ enum { /* data contains off-queue information when !WORK_STRUCT_PWQ */ WORK_OFFQ_FLAG_BASE = WORK_STRUCT_COLOR_SHIFT, - WORK_OFFQ_CANCELING = (1 << WORK_OFFQ_FLAG_BASE), + __WORK_OFFQ_CANCELING = WORK_OFFQ_FLAG_BASE, + WORK_OFFQ_CANCELING = (1 << __WORK_OFFQ_CANCELING), /* * When a work item is off queue, its high bits point to the last @@ -453,6 +454,7 @@ extern bool workqueue_congested(int cpu, struct workqueue_struct *wq); extern unsigned int work_busy(struct work_struct *work); extern __printf(1, 2) void set_worker_desc(const char *fmt, ...); extern void print_worker_info(const char *log_lvl, struct task_struct *task); +extern void show_workqueue_state(void); /** * queue_work - queue work on a workqueue diff --git a/include/linux/writeback.h b/include/linux/writeback.h index 00048339c23e..b2dd371ec0ca 100644 --- a/include/linux/writeback.h +++ b/include/linux/writeback.h @@ -130,6 +130,7 @@ extern int vm_dirty_ratio; extern unsigned long vm_dirty_bytes; extern unsigned int dirty_writeback_interval; extern unsigned int dirty_expire_interval; +extern unsigned int dirtytime_expire_interval; extern int vm_highmem_is_dirtyable; extern int block_dump; extern int laptop_mode; @@ -146,6 +147,8 @@ extern int dirty_ratio_handler(struct ctl_table *table, int write, extern int dirty_bytes_handler(struct ctl_table *table, int write, void __user *buffer, size_t *lenp, loff_t *ppos); +int dirtytime_interval_handler(struct ctl_table *table, int write, + void __user *buffer, size_t *lenp, loff_t *ppos); struct ctl_table; int dirty_writeback_centisecs_handler(struct ctl_table *, int, |