diff options
Diffstat (limited to 'include/linux')
99 files changed, 1676 insertions, 1458 deletions
diff --git a/include/linux/alarmtimer.h b/include/linux/alarmtimer.h index 52f3b7da4f2d..9d8031257a90 100644 --- a/include/linux/alarmtimer.h +++ b/include/linux/alarmtimer.h @@ -26,10 +26,10 @@ enum alarmtimer_restart { * struct alarm - Alarm timer structure * @node: timerqueue node for adding to the event list this value * also includes the expiration time. - * @period: Period for recuring alarms + * @timer: hrtimer used to schedule events while running * @function: Function pointer to be executed when the timer fires. - * @type: Alarm type (BOOTTIME/REALTIME) - * @enabled: Flag that represents if the alarm is set to fire or not + * @type: Alarm type (BOOTTIME/REALTIME). + * @state: Flag that represents if the alarm is set to fire or not. * @data: Internal data value. */ struct alarm { diff --git a/include/linux/ata.h b/include/linux/ata.h index 99346be5a7ca..adbc812c009b 100644 --- a/include/linux/ata.h +++ b/include/linux/ata.h @@ -46,8 +46,9 @@ enum { ATA_MAX_SECTORS_128 = 128, ATA_MAX_SECTORS = 256, ATA_MAX_SECTORS_1024 = 1024, - ATA_MAX_SECTORS_LBA48 = 65535,/* TODO: 65536? */ + ATA_MAX_SECTORS_LBA48 = 65535,/* avoid count to be 0000h */ ATA_MAX_SECTORS_TAPE = 65535, + ATA_MAX_TRIM_RNUM = 64, /* 512-byte payload / (6-byte LBA + 2-byte range per entry) */ ATA_ID_WORDS = 256, ATA_ID_CONFIG = 0, @@ -409,6 +410,9 @@ enum { SETFEATURES_WC_ON = 0x02, /* Enable write cache */ SETFEATURES_WC_OFF = 0x82, /* Disable write cache */ + SETFEATURES_RA_ON = 0xaa, /* Enable read look-ahead */ + SETFEATURES_RA_OFF = 0x55, /* Disable read look-ahead */ + /* Enable/Disable Automatic Acoustic Management */ SETFEATURES_AAM_ON = 0x42, SETFEATURES_AAM_OFF = 0xC2, @@ -519,16 +523,23 @@ enum { SERR_DEV_XCHG = (1 << 26), /* device exchanged */ }; -enum ata_tf_protocols { - /* ATA taskfile protocols */ - ATA_PROT_UNKNOWN, /* unknown/invalid */ - ATA_PROT_NODATA, /* no data */ - ATA_PROT_PIO, /* PIO data xfer */ - ATA_PROT_DMA, /* DMA */ - ATA_PROT_NCQ, /* NCQ */ - ATAPI_PROT_NODATA, /* packet command, no data */ - ATAPI_PROT_PIO, /* packet command, PIO data xfer*/ - ATAPI_PROT_DMA, /* packet command with special DMA sauce */ +enum ata_prot_flags { + /* protocol flags */ + ATA_PROT_FLAG_PIO = (1 << 0), /* is PIO */ + ATA_PROT_FLAG_DMA = (1 << 1), /* is DMA */ + ATA_PROT_FLAG_NCQ = (1 << 2), /* is NCQ */ + ATA_PROT_FLAG_ATAPI = (1 << 3), /* is ATAPI */ + + /* taskfile protocols */ + ATA_PROT_UNKNOWN = (u8)-1, + ATA_PROT_NODATA = 0, + ATA_PROT_PIO = ATA_PROT_FLAG_PIO, + ATA_PROT_DMA = ATA_PROT_FLAG_DMA, + ATA_PROT_NCQ_NODATA = ATA_PROT_FLAG_NCQ, + ATA_PROT_NCQ = ATA_PROT_FLAG_DMA | ATA_PROT_FLAG_NCQ, + ATAPI_PROT_NODATA = ATA_PROT_FLAG_ATAPI, + ATAPI_PROT_PIO = ATA_PROT_FLAG_ATAPI | ATA_PROT_FLAG_PIO, + ATAPI_PROT_DMA = ATA_PROT_FLAG_ATAPI | ATA_PROT_FLAG_DMA, }; enum ata_ioctls { @@ -1066,12 +1077,12 @@ static inline void ata_id_to_hd_driveid(u16 *id) * TO NV CACHE PINNED SET. */ static inline unsigned ata_set_lba_range_entries(void *_buffer, - unsigned buf_size, u64 sector, unsigned long count) + unsigned num, u64 sector, unsigned long count) { __le64 *buffer = _buffer; unsigned i = 0, used_bytes; - while (i < buf_size / 8 ) { /* 6-byte LBA + 2-byte range per entry */ + while (i < num) { u64 entry = sector | ((u64)(count > 0xffff ? 0xffff : count) << 48); buffer[i++] = __cpu_to_le64(entry); @@ -1095,13 +1106,13 @@ static inline bool ata_ok(u8 status) static inline bool lba_28_ok(u64 block, u32 n_block) { /* check the ending block number: must be LESS THAN 0x0fffffff */ - return ((block + n_block) < ((1 << 28) - 1)) && (n_block <= 256); + return ((block + n_block) < ((1 << 28) - 1)) && (n_block <= ATA_MAX_SECTORS); } static inline bool lba_48_ok(u64 block, u32 n_block) { /* check the ending block number */ - return ((block + n_block - 1) < ((u64)1 << 48)) && (n_block <= 65536); + return ((block + n_block - 1) < ((u64)1 << 48)) && (n_block <= ATA_MAX_SECTORS_LBA48); } #define sata_pmp_gscr_vendor(gscr) ((gscr)[SATA_PMP_GSCR_PROD_ID] & 0xffff) diff --git a/include/linux/atomic.h b/include/linux/atomic.h index e451534fe54d..e71835bf60a9 100644 --- a/include/linux/atomic.h +++ b/include/linux/atomic.h @@ -163,206 +163,265 @@ #endif #endif /* atomic_dec_return_relaxed */ -/* atomic_xchg_relaxed */ -#ifndef atomic_xchg_relaxed -#define atomic_xchg_relaxed atomic_xchg -#define atomic_xchg_acquire atomic_xchg -#define atomic_xchg_release atomic_xchg -#else /* atomic_xchg_relaxed */ +/* atomic_fetch_add_relaxed */ +#ifndef atomic_fetch_add_relaxed +#define atomic_fetch_add_relaxed atomic_fetch_add +#define atomic_fetch_add_acquire atomic_fetch_add +#define atomic_fetch_add_release atomic_fetch_add -#ifndef atomic_xchg_acquire -#define atomic_xchg_acquire(...) \ - __atomic_op_acquire(atomic_xchg, __VA_ARGS__) +#else /* atomic_fetch_add_relaxed */ + +#ifndef atomic_fetch_add_acquire +#define atomic_fetch_add_acquire(...) \ + __atomic_op_acquire(atomic_fetch_add, __VA_ARGS__) #endif -#ifndef atomic_xchg_release -#define atomic_xchg_release(...) \ - __atomic_op_release(atomic_xchg, __VA_ARGS__) +#ifndef atomic_fetch_add_release +#define atomic_fetch_add_release(...) \ + __atomic_op_release(atomic_fetch_add, __VA_ARGS__) #endif -#ifndef atomic_xchg -#define atomic_xchg(...) \ - __atomic_op_fence(atomic_xchg, __VA_ARGS__) +#ifndef atomic_fetch_add +#define atomic_fetch_add(...) \ + __atomic_op_fence(atomic_fetch_add, __VA_ARGS__) +#endif +#endif /* atomic_fetch_add_relaxed */ + +/* atomic_fetch_inc_relaxed */ +#ifndef atomic_fetch_inc_relaxed + +#ifndef atomic_fetch_inc +#define atomic_fetch_inc(v) atomic_fetch_add(1, (v)) +#define atomic_fetch_inc_relaxed(v) atomic_fetch_add_relaxed(1, (v)) +#define atomic_fetch_inc_acquire(v) atomic_fetch_add_acquire(1, (v)) +#define atomic_fetch_inc_release(v) atomic_fetch_add_release(1, (v)) +#else /* atomic_fetch_inc */ +#define atomic_fetch_inc_relaxed atomic_fetch_inc +#define atomic_fetch_inc_acquire atomic_fetch_inc +#define atomic_fetch_inc_release atomic_fetch_inc +#endif /* atomic_fetch_inc */ + +#else /* atomic_fetch_inc_relaxed */ + +#ifndef atomic_fetch_inc_acquire +#define atomic_fetch_inc_acquire(...) \ + __atomic_op_acquire(atomic_fetch_inc, __VA_ARGS__) #endif -#endif /* atomic_xchg_relaxed */ -/* atomic_cmpxchg_relaxed */ -#ifndef atomic_cmpxchg_relaxed -#define atomic_cmpxchg_relaxed atomic_cmpxchg -#define atomic_cmpxchg_acquire atomic_cmpxchg -#define atomic_cmpxchg_release atomic_cmpxchg +#ifndef atomic_fetch_inc_release +#define atomic_fetch_inc_release(...) \ + __atomic_op_release(atomic_fetch_inc, __VA_ARGS__) +#endif -#else /* atomic_cmpxchg_relaxed */ +#ifndef atomic_fetch_inc +#define atomic_fetch_inc(...) \ + __atomic_op_fence(atomic_fetch_inc, __VA_ARGS__) +#endif +#endif /* atomic_fetch_inc_relaxed */ -#ifndef atomic_cmpxchg_acquire -#define atomic_cmpxchg_acquire(...) \ - __atomic_op_acquire(atomic_cmpxchg, __VA_ARGS__) +/* atomic_fetch_sub_relaxed */ +#ifndef atomic_fetch_sub_relaxed +#define atomic_fetch_sub_relaxed atomic_fetch_sub +#define atomic_fetch_sub_acquire atomic_fetch_sub +#define atomic_fetch_sub_release atomic_fetch_sub + +#else /* atomic_fetch_sub_relaxed */ + +#ifndef atomic_fetch_sub_acquire +#define atomic_fetch_sub_acquire(...) \ + __atomic_op_acquire(atomic_fetch_sub, __VA_ARGS__) #endif -#ifndef atomic_cmpxchg_release -#define atomic_cmpxchg_release(...) \ - __atomic_op_release(atomic_cmpxchg, __VA_ARGS__) +#ifndef atomic_fetch_sub_release +#define atomic_fetch_sub_release(...) \ + __atomic_op_release(atomic_fetch_sub, __VA_ARGS__) #endif -#ifndef atomic_cmpxchg -#define atomic_cmpxchg(...) \ - __atomic_op_fence(atomic_cmpxchg, __VA_ARGS__) +#ifndef atomic_fetch_sub +#define atomic_fetch_sub(...) \ + __atomic_op_fence(atomic_fetch_sub, __VA_ARGS__) +#endif +#endif /* atomic_fetch_sub_relaxed */ + +/* atomic_fetch_dec_relaxed */ +#ifndef atomic_fetch_dec_relaxed + +#ifndef atomic_fetch_dec +#define atomic_fetch_dec(v) atomic_fetch_sub(1, (v)) +#define atomic_fetch_dec_relaxed(v) atomic_fetch_sub_relaxed(1, (v)) +#define atomic_fetch_dec_acquire(v) atomic_fetch_sub_acquire(1, (v)) +#define atomic_fetch_dec_release(v) atomic_fetch_sub_release(1, (v)) +#else /* atomic_fetch_dec */ +#define atomic_fetch_dec_relaxed atomic_fetch_dec +#define atomic_fetch_dec_acquire atomic_fetch_dec +#define atomic_fetch_dec_release atomic_fetch_dec +#endif /* atomic_fetch_dec */ + +#else /* atomic_fetch_dec_relaxed */ + +#ifndef atomic_fetch_dec_acquire +#define atomic_fetch_dec_acquire(...) \ + __atomic_op_acquire(atomic_fetch_dec, __VA_ARGS__) #endif -#endif /* atomic_cmpxchg_relaxed */ -#ifndef atomic64_read_acquire -#define atomic64_read_acquire(v) smp_load_acquire(&(v)->counter) +#ifndef atomic_fetch_dec_release +#define atomic_fetch_dec_release(...) \ + __atomic_op_release(atomic_fetch_dec, __VA_ARGS__) #endif -#ifndef atomic64_set_release -#define atomic64_set_release(v, i) smp_store_release(&(v)->counter, (i)) +#ifndef atomic_fetch_dec +#define atomic_fetch_dec(...) \ + __atomic_op_fence(atomic_fetch_dec, __VA_ARGS__) #endif +#endif /* atomic_fetch_dec_relaxed */ -/* atomic64_add_return_relaxed */ -#ifndef atomic64_add_return_relaxed -#define atomic64_add_return_relaxed atomic64_add_return -#define atomic64_add_return_acquire atomic64_add_return -#define atomic64_add_return_release atomic64_add_return +/* atomic_fetch_or_relaxed */ +#ifndef atomic_fetch_or_relaxed +#define atomic_fetch_or_relaxed atomic_fetch_or +#define atomic_fetch_or_acquire atomic_fetch_or +#define atomic_fetch_or_release atomic_fetch_or -#else /* atomic64_add_return_relaxed */ +#else /* atomic_fetch_or_relaxed */ -#ifndef atomic64_add_return_acquire -#define atomic64_add_return_acquire(...) \ - __atomic_op_acquire(atomic64_add_return, __VA_ARGS__) +#ifndef atomic_fetch_or_acquire +#define atomic_fetch_or_acquire(...) \ + __atomic_op_acquire(atomic_fetch_or, __VA_ARGS__) #endif -#ifndef atomic64_add_return_release -#define atomic64_add_return_release(...) \ - __atomic_op_release(atomic64_add_return, __VA_ARGS__) +#ifndef atomic_fetch_or_release +#define atomic_fetch_or_release(...) \ + __atomic_op_release(atomic_fetch_or, __VA_ARGS__) #endif -#ifndef atomic64_add_return -#define atomic64_add_return(...) \ - __atomic_op_fence(atomic64_add_return, __VA_ARGS__) +#ifndef atomic_fetch_or +#define atomic_fetch_or(...) \ + __atomic_op_fence(atomic_fetch_or, __VA_ARGS__) #endif -#endif /* atomic64_add_return_relaxed */ +#endif /* atomic_fetch_or_relaxed */ -/* atomic64_inc_return_relaxed */ -#ifndef atomic64_inc_return_relaxed -#define atomic64_inc_return_relaxed atomic64_inc_return -#define atomic64_inc_return_acquire atomic64_inc_return -#define atomic64_inc_return_release atomic64_inc_return +/* atomic_fetch_and_relaxed */ +#ifndef atomic_fetch_and_relaxed +#define atomic_fetch_and_relaxed atomic_fetch_and +#define atomic_fetch_and_acquire atomic_fetch_and +#define atomic_fetch_and_release atomic_fetch_and -#else /* atomic64_inc_return_relaxed */ +#else /* atomic_fetch_and_relaxed */ -#ifndef atomic64_inc_return_acquire -#define atomic64_inc_return_acquire(...) \ - __atomic_op_acquire(atomic64_inc_return, __VA_ARGS__) +#ifndef atomic_fetch_and_acquire +#define atomic_fetch_and_acquire(...) \ + __atomic_op_acquire(atomic_fetch_and, __VA_ARGS__) #endif -#ifndef atomic64_inc_return_release -#define atomic64_inc_return_release(...) \ - __atomic_op_release(atomic64_inc_return, __VA_ARGS__) +#ifndef atomic_fetch_and_release +#define atomic_fetch_and_release(...) \ + __atomic_op_release(atomic_fetch_and, __VA_ARGS__) #endif -#ifndef atomic64_inc_return -#define atomic64_inc_return(...) \ - __atomic_op_fence(atomic64_inc_return, __VA_ARGS__) +#ifndef atomic_fetch_and +#define atomic_fetch_and(...) \ + __atomic_op_fence(atomic_fetch_and, __VA_ARGS__) #endif -#endif /* atomic64_inc_return_relaxed */ - +#endif /* atomic_fetch_and_relaxed */ -/* atomic64_sub_return_relaxed */ -#ifndef atomic64_sub_return_relaxed -#define atomic64_sub_return_relaxed atomic64_sub_return -#define atomic64_sub_return_acquire atomic64_sub_return -#define atomic64_sub_return_release atomic64_sub_return +#ifdef atomic_andnot +/* atomic_fetch_andnot_relaxed */ +#ifndef atomic_fetch_andnot_relaxed +#define atomic_fetch_andnot_relaxed atomic_fetch_andnot +#define atomic_fetch_andnot_acquire atomic_fetch_andnot +#define atomic_fetch_andnot_release atomic_fetch_andnot -#else /* atomic64_sub_return_relaxed */ +#else /* atomic_fetch_andnot_relaxed */ -#ifndef atomic64_sub_return_acquire -#define atomic64_sub_return_acquire(...) \ - __atomic_op_acquire(atomic64_sub_return, __VA_ARGS__) +#ifndef atomic_fetch_andnot_acquire +#define atomic_fetch_andnot_acquire(...) \ + __atomic_op_acquire(atomic_fetch_andnot, __VA_ARGS__) #endif -#ifndef atomic64_sub_return_release -#define atomic64_sub_return_release(...) \ - __atomic_op_release(atomic64_sub_return, __VA_ARGS__) +#ifndef atomic_fetch_andnot_release +#define atomic_fetch_andnot_release(...) \ + __atomic_op_release(atomic_fetch_andnot, __VA_ARGS__) #endif -#ifndef atomic64_sub_return -#define atomic64_sub_return(...) \ - __atomic_op_fence(atomic64_sub_return, __VA_ARGS__) +#ifndef atomic_fetch_andnot +#define atomic_fetch_andnot(...) \ + __atomic_op_fence(atomic_fetch_andnot, __VA_ARGS__) #endif -#endif /* atomic64_sub_return_relaxed */ +#endif /* atomic_fetch_andnot_relaxed */ +#endif /* atomic_andnot */ -/* atomic64_dec_return_relaxed */ -#ifndef atomic64_dec_return_relaxed -#define atomic64_dec_return_relaxed atomic64_dec_return -#define atomic64_dec_return_acquire atomic64_dec_return -#define atomic64_dec_return_release atomic64_dec_return +/* atomic_fetch_xor_relaxed */ +#ifndef atomic_fetch_xor_relaxed +#define atomic_fetch_xor_relaxed atomic_fetch_xor +#define atomic_fetch_xor_acquire atomic_fetch_xor +#define atomic_fetch_xor_release atomic_fetch_xor -#else /* atomic64_dec_return_relaxed */ +#else /* atomic_fetch_xor_relaxed */ -#ifndef atomic64_dec_return_acquire -#define atomic64_dec_return_acquire(...) \ - __atomic_op_acquire(atomic64_dec_return, __VA_ARGS__) +#ifndef atomic_fetch_xor_acquire +#define atomic_fetch_xor_acquire(...) \ + __atomic_op_acquire(atomic_fetch_xor, __VA_ARGS__) #endif -#ifndef atomic64_dec_return_release -#define atomic64_dec_return_release(...) \ - __atomic_op_release(atomic64_dec_return, __VA_ARGS__) +#ifndef atomic_fetch_xor_release +#define atomic_fetch_xor_release(...) \ + __atomic_op_release(atomic_fetch_xor, __VA_ARGS__) #endif -#ifndef atomic64_dec_return -#define atomic64_dec_return(...) \ - __atomic_op_fence(atomic64_dec_return, __VA_ARGS__) +#ifndef atomic_fetch_xor +#define atomic_fetch_xor(...) \ + __atomic_op_fence(atomic_fetch_xor, __VA_ARGS__) #endif -#endif /* atomic64_dec_return_relaxed */ +#endif /* atomic_fetch_xor_relaxed */ -/* atomic64_xchg_relaxed */ -#ifndef atomic64_xchg_relaxed -#define atomic64_xchg_relaxed atomic64_xchg -#define atomic64_xchg_acquire atomic64_xchg -#define atomic64_xchg_release atomic64_xchg -#else /* atomic64_xchg_relaxed */ +/* atomic_xchg_relaxed */ +#ifndef atomic_xchg_relaxed +#define atomic_xchg_relaxed atomic_xchg +#define atomic_xchg_acquire atomic_xchg +#define atomic_xchg_release atomic_xchg -#ifndef atomic64_xchg_acquire -#define atomic64_xchg_acquire(...) \ - __atomic_op_acquire(atomic64_xchg, __VA_ARGS__) +#else /* atomic_xchg_relaxed */ + +#ifndef atomic_xchg_acquire +#define atomic_xchg_acquire(...) \ + __atomic_op_acquire(atomic_xchg, __VA_ARGS__) #endif -#ifndef atomic64_xchg_release -#define atomic64_xchg_release(...) \ - __atomic_op_release(atomic64_xchg, __VA_ARGS__) +#ifndef atomic_xchg_release +#define atomic_xchg_release(...) \ + __atomic_op_release(atomic_xchg, __VA_ARGS__) #endif -#ifndef atomic64_xchg -#define atomic64_xchg(...) \ - __atomic_op_fence(atomic64_xchg, __VA_ARGS__) +#ifndef atomic_xchg +#define atomic_xchg(...) \ + __atomic_op_fence(atomic_xchg, __VA_ARGS__) #endif -#endif /* atomic64_xchg_relaxed */ +#endif /* atomic_xchg_relaxed */ -/* atomic64_cmpxchg_relaxed */ -#ifndef atomic64_cmpxchg_relaxed -#define atomic64_cmpxchg_relaxed atomic64_cmpxchg -#define atomic64_cmpxchg_acquire atomic64_cmpxchg -#define atomic64_cmpxchg_release atomic64_cmpxchg +/* atomic_cmpxchg_relaxed */ +#ifndef atomic_cmpxchg_relaxed +#define atomic_cmpxchg_relaxed atomic_cmpxchg +#define atomic_cmpxchg_acquire atomic_cmpxchg +#define atomic_cmpxchg_release atomic_cmpxchg -#else /* atomic64_cmpxchg_relaxed */ +#else /* atomic_cmpxchg_relaxed */ -#ifndef atomic64_cmpxchg_acquire -#define atomic64_cmpxchg_acquire(...) \ - __atomic_op_acquire(atomic64_cmpxchg, __VA_ARGS__) +#ifndef atomic_cmpxchg_acquire +#define atomic_cmpxchg_acquire(...) \ + __atomic_op_acquire(atomic_cmpxchg, __VA_ARGS__) #endif -#ifndef atomic64_cmpxchg_release -#define atomic64_cmpxchg_release(...) \ - __atomic_op_release(atomic64_cmpxchg, __VA_ARGS__) +#ifndef atomic_cmpxchg_release +#define atomic_cmpxchg_release(...) \ + __atomic_op_release(atomic_cmpxchg, __VA_ARGS__) #endif -#ifndef atomic64_cmpxchg -#define atomic64_cmpxchg(...) \ - __atomic_op_fence(atomic64_cmpxchg, __VA_ARGS__) +#ifndef atomic_cmpxchg +#define atomic_cmpxchg(...) \ + __atomic_op_fence(atomic_cmpxchg, __VA_ARGS__) #endif -#endif /* atomic64_cmpxchg_relaxed */ +#endif /* atomic_cmpxchg_relaxed */ /* cmpxchg_relaxed */ #ifndef cmpxchg_relaxed @@ -463,18 +522,28 @@ static inline void atomic_andnot(int i, atomic_t *v) { atomic_and(~i, v); } -#endif -static inline __deprecated void atomic_clear_mask(unsigned int mask, atomic_t *v) +static inline int atomic_fetch_andnot(int i, atomic_t *v) { - atomic_andnot(mask, v); + return atomic_fetch_and(~i, v); } -static inline __deprecated void atomic_set_mask(unsigned int mask, atomic_t *v) +static inline int atomic_fetch_andnot_relaxed(int i, atomic_t *v) { - atomic_or(mask, v); + return atomic_fetch_and_relaxed(~i, v); } +static inline int atomic_fetch_andnot_acquire(int i, atomic_t *v) +{ + return atomic_fetch_and_acquire(~i, v); +} + +static inline int atomic_fetch_andnot_release(int i, atomic_t *v) +{ + return atomic_fetch_and_release(~i, v); +} +#endif + /** * atomic_inc_not_zero_hint - increment if not null * @v: pointer of type atomic_t @@ -558,36 +627,400 @@ static inline int atomic_dec_if_positive(atomic_t *v) } #endif -/** - * atomic_fetch_or - perform *p |= mask and return old value of *p - * @mask: mask to OR on the atomic_t - * @p: pointer to atomic_t - */ -#ifndef atomic_fetch_or -static inline int atomic_fetch_or(int mask, atomic_t *p) -{ - int old, val = atomic_read(p); +#ifdef CONFIG_GENERIC_ATOMIC64 +#include <asm-generic/atomic64.h> +#endif - for (;;) { - old = atomic_cmpxchg(p, val, val | mask); - if (old == val) - break; - val = old; - } +#ifndef atomic64_read_acquire +#define atomic64_read_acquire(v) smp_load_acquire(&(v)->counter) +#endif - return old; -} +#ifndef atomic64_set_release +#define atomic64_set_release(v, i) smp_store_release(&(v)->counter, (i)) #endif -#ifdef CONFIG_GENERIC_ATOMIC64 -#include <asm-generic/atomic64.h> +/* atomic64_add_return_relaxed */ +#ifndef atomic64_add_return_relaxed +#define atomic64_add_return_relaxed atomic64_add_return +#define atomic64_add_return_acquire atomic64_add_return +#define atomic64_add_return_release atomic64_add_return + +#else /* atomic64_add_return_relaxed */ + +#ifndef atomic64_add_return_acquire +#define atomic64_add_return_acquire(...) \ + __atomic_op_acquire(atomic64_add_return, __VA_ARGS__) +#endif + +#ifndef atomic64_add_return_release +#define atomic64_add_return_release(...) \ + __atomic_op_release(atomic64_add_return, __VA_ARGS__) +#endif + +#ifndef atomic64_add_return +#define atomic64_add_return(...) \ + __atomic_op_fence(atomic64_add_return, __VA_ARGS__) +#endif +#endif /* atomic64_add_return_relaxed */ + +/* atomic64_inc_return_relaxed */ +#ifndef atomic64_inc_return_relaxed +#define atomic64_inc_return_relaxed atomic64_inc_return +#define atomic64_inc_return_acquire atomic64_inc_return +#define atomic64_inc_return_release atomic64_inc_return + +#else /* atomic64_inc_return_relaxed */ + +#ifndef atomic64_inc_return_acquire +#define atomic64_inc_return_acquire(...) \ + __atomic_op_acquire(atomic64_inc_return, __VA_ARGS__) +#endif + +#ifndef atomic64_inc_return_release +#define atomic64_inc_return_release(...) \ + __atomic_op_release(atomic64_inc_return, __VA_ARGS__) +#endif + +#ifndef atomic64_inc_return +#define atomic64_inc_return(...) \ + __atomic_op_fence(atomic64_inc_return, __VA_ARGS__) +#endif +#endif /* atomic64_inc_return_relaxed */ + + +/* atomic64_sub_return_relaxed */ +#ifndef atomic64_sub_return_relaxed +#define atomic64_sub_return_relaxed atomic64_sub_return +#define atomic64_sub_return_acquire atomic64_sub_return +#define atomic64_sub_return_release atomic64_sub_return + +#else /* atomic64_sub_return_relaxed */ + +#ifndef atomic64_sub_return_acquire +#define atomic64_sub_return_acquire(...) \ + __atomic_op_acquire(atomic64_sub_return, __VA_ARGS__) #endif +#ifndef atomic64_sub_return_release +#define atomic64_sub_return_release(...) \ + __atomic_op_release(atomic64_sub_return, __VA_ARGS__) +#endif + +#ifndef atomic64_sub_return +#define atomic64_sub_return(...) \ + __atomic_op_fence(atomic64_sub_return, __VA_ARGS__) +#endif +#endif /* atomic64_sub_return_relaxed */ + +/* atomic64_dec_return_relaxed */ +#ifndef atomic64_dec_return_relaxed +#define atomic64_dec_return_relaxed atomic64_dec_return +#define atomic64_dec_return_acquire atomic64_dec_return +#define atomic64_dec_return_release atomic64_dec_return + +#else /* atomic64_dec_return_relaxed */ + +#ifndef atomic64_dec_return_acquire +#define atomic64_dec_return_acquire(...) \ + __atomic_op_acquire(atomic64_dec_return, __VA_ARGS__) +#endif + +#ifndef atomic64_dec_return_release +#define atomic64_dec_return_release(...) \ + __atomic_op_release(atomic64_dec_return, __VA_ARGS__) +#endif + +#ifndef atomic64_dec_return +#define atomic64_dec_return(...) \ + __atomic_op_fence(atomic64_dec_return, __VA_ARGS__) +#endif +#endif /* atomic64_dec_return_relaxed */ + + +/* atomic64_fetch_add_relaxed */ +#ifndef atomic64_fetch_add_relaxed +#define atomic64_fetch_add_relaxed atomic64_fetch_add +#define atomic64_fetch_add_acquire atomic64_fetch_add +#define atomic64_fetch_add_release atomic64_fetch_add + +#else /* atomic64_fetch_add_relaxed */ + +#ifndef atomic64_fetch_add_acquire +#define atomic64_fetch_add_acquire(...) \ + __atomic_op_acquire(atomic64_fetch_add, __VA_ARGS__) +#endif + +#ifndef atomic64_fetch_add_release +#define atomic64_fetch_add_release(...) \ + __atomic_op_release(atomic64_fetch_add, __VA_ARGS__) +#endif + +#ifndef atomic64_fetch_add +#define atomic64_fetch_add(...) \ + __atomic_op_fence(atomic64_fetch_add, __VA_ARGS__) +#endif +#endif /* atomic64_fetch_add_relaxed */ + +/* atomic64_fetch_inc_relaxed */ +#ifndef atomic64_fetch_inc_relaxed + +#ifndef atomic64_fetch_inc +#define atomic64_fetch_inc(v) atomic64_fetch_add(1, (v)) +#define atomic64_fetch_inc_relaxed(v) atomic64_fetch_add_relaxed(1, (v)) +#define atomic64_fetch_inc_acquire(v) atomic64_fetch_add_acquire(1, (v)) +#define atomic64_fetch_inc_release(v) atomic64_fetch_add_release(1, (v)) +#else /* atomic64_fetch_inc */ +#define atomic64_fetch_inc_relaxed atomic64_fetch_inc +#define atomic64_fetch_inc_acquire atomic64_fetch_inc +#define atomic64_fetch_inc_release atomic64_fetch_inc +#endif /* atomic64_fetch_inc */ + +#else /* atomic64_fetch_inc_relaxed */ + +#ifndef atomic64_fetch_inc_acquire +#define atomic64_fetch_inc_acquire(...) \ + __atomic_op_acquire(atomic64_fetch_inc, __VA_ARGS__) +#endif + +#ifndef atomic64_fetch_inc_release +#define atomic64_fetch_inc_release(...) \ + __atomic_op_release(atomic64_fetch_inc, __VA_ARGS__) +#endif + +#ifndef atomic64_fetch_inc +#define atomic64_fetch_inc(...) \ + __atomic_op_fence(atomic64_fetch_inc, __VA_ARGS__) +#endif +#endif /* atomic64_fetch_inc_relaxed */ + +/* atomic64_fetch_sub_relaxed */ +#ifndef atomic64_fetch_sub_relaxed +#define atomic64_fetch_sub_relaxed atomic64_fetch_sub +#define atomic64_fetch_sub_acquire atomic64_fetch_sub +#define atomic64_fetch_sub_release atomic64_fetch_sub + +#else /* atomic64_fetch_sub_relaxed */ + +#ifndef atomic64_fetch_sub_acquire +#define atomic64_fetch_sub_acquire(...) \ + __atomic_op_acquire(atomic64_fetch_sub, __VA_ARGS__) +#endif + +#ifndef atomic64_fetch_sub_release +#define atomic64_fetch_sub_release(...) \ + __atomic_op_release(atomic64_fetch_sub, __VA_ARGS__) +#endif + +#ifndef atomic64_fetch_sub +#define atomic64_fetch_sub(...) \ + __atomic_op_fence(atomic64_fetch_sub, __VA_ARGS__) +#endif +#endif /* atomic64_fetch_sub_relaxed */ + +/* atomic64_fetch_dec_relaxed */ +#ifndef atomic64_fetch_dec_relaxed + +#ifndef atomic64_fetch_dec +#define atomic64_fetch_dec(v) atomic64_fetch_sub(1, (v)) +#define atomic64_fetch_dec_relaxed(v) atomic64_fetch_sub_relaxed(1, (v)) +#define atomic64_fetch_dec_acquire(v) atomic64_fetch_sub_acquire(1, (v)) +#define atomic64_fetch_dec_release(v) atomic64_fetch_sub_release(1, (v)) +#else /* atomic64_fetch_dec */ +#define atomic64_fetch_dec_relaxed atomic64_fetch_dec +#define atomic64_fetch_dec_acquire atomic64_fetch_dec +#define atomic64_fetch_dec_release atomic64_fetch_dec +#endif /* atomic64_fetch_dec */ + +#else /* atomic64_fetch_dec_relaxed */ + +#ifndef atomic64_fetch_dec_acquire +#define atomic64_fetch_dec_acquire(...) \ + __atomic_op_acquire(atomic64_fetch_dec, __VA_ARGS__) +#endif + +#ifndef atomic64_fetch_dec_release +#define atomic64_fetch_dec_release(...) \ + __atomic_op_release(atomic64_fetch_dec, __VA_ARGS__) +#endif + +#ifndef atomic64_fetch_dec +#define atomic64_fetch_dec(...) \ + __atomic_op_fence(atomic64_fetch_dec, __VA_ARGS__) +#endif +#endif /* atomic64_fetch_dec_relaxed */ + +/* atomic64_fetch_or_relaxed */ +#ifndef atomic64_fetch_or_relaxed +#define atomic64_fetch_or_relaxed atomic64_fetch_or +#define atomic64_fetch_or_acquire atomic64_fetch_or +#define atomic64_fetch_or_release atomic64_fetch_or + +#else /* atomic64_fetch_or_relaxed */ + +#ifndef atomic64_fetch_or_acquire +#define atomic64_fetch_or_acquire(...) \ + __atomic_op_acquire(atomic64_fetch_or, __VA_ARGS__) +#endif + +#ifndef atomic64_fetch_or_release +#define atomic64_fetch_or_release(...) \ + __atomic_op_release(atomic64_fetch_or, __VA_ARGS__) +#endif + +#ifndef atomic64_fetch_or +#define atomic64_fetch_or(...) \ + __atomic_op_fence(atomic64_fetch_or, __VA_ARGS__) +#endif +#endif /* atomic64_fetch_or_relaxed */ + +/* atomic64_fetch_and_relaxed */ +#ifndef atomic64_fetch_and_relaxed +#define atomic64_fetch_and_relaxed atomic64_fetch_and +#define atomic64_fetch_and_acquire atomic64_fetch_and +#define atomic64_fetch_and_release atomic64_fetch_and + +#else /* atomic64_fetch_and_relaxed */ + +#ifndef atomic64_fetch_and_acquire +#define atomic64_fetch_and_acquire(...) \ + __atomic_op_acquire(atomic64_fetch_and, __VA_ARGS__) +#endif + +#ifndef atomic64_fetch_and_release +#define atomic64_fetch_and_release(...) \ + __atomic_op_release(atomic64_fetch_and, __VA_ARGS__) +#endif + +#ifndef atomic64_fetch_and +#define atomic64_fetch_and(...) \ + __atomic_op_fence(atomic64_fetch_and, __VA_ARGS__) +#endif +#endif /* atomic64_fetch_and_relaxed */ + +#ifdef atomic64_andnot +/* atomic64_fetch_andnot_relaxed */ +#ifndef atomic64_fetch_andnot_relaxed +#define atomic64_fetch_andnot_relaxed atomic64_fetch_andnot +#define atomic64_fetch_andnot_acquire atomic64_fetch_andnot +#define atomic64_fetch_andnot_release atomic64_fetch_andnot + +#else /* atomic64_fetch_andnot_relaxed */ + +#ifndef atomic64_fetch_andnot_acquire +#define atomic64_fetch_andnot_acquire(...) \ + __atomic_op_acquire(atomic64_fetch_andnot, __VA_ARGS__) +#endif + +#ifndef atomic64_fetch_andnot_release +#define atomic64_fetch_andnot_release(...) \ + __atomic_op_release(atomic64_fetch_andnot, __VA_ARGS__) +#endif + +#ifndef atomic64_fetch_andnot +#define atomic64_fetch_andnot(...) \ + __atomic_op_fence(atomic64_fetch_andnot, __VA_ARGS__) +#endif +#endif /* atomic64_fetch_andnot_relaxed */ +#endif /* atomic64_andnot */ + +/* atomic64_fetch_xor_relaxed */ +#ifndef atomic64_fetch_xor_relaxed +#define atomic64_fetch_xor_relaxed atomic64_fetch_xor +#define atomic64_fetch_xor_acquire atomic64_fetch_xor +#define atomic64_fetch_xor_release atomic64_fetch_xor + +#else /* atomic64_fetch_xor_relaxed */ + +#ifndef atomic64_fetch_xor_acquire +#define atomic64_fetch_xor_acquire(...) \ + __atomic_op_acquire(atomic64_fetch_xor, __VA_ARGS__) +#endif + +#ifndef atomic64_fetch_xor_release +#define atomic64_fetch_xor_release(...) \ + __atomic_op_release(atomic64_fetch_xor, __VA_ARGS__) +#endif + +#ifndef atomic64_fetch_xor +#define atomic64_fetch_xor(...) \ + __atomic_op_fence(atomic64_fetch_xor, __VA_ARGS__) +#endif +#endif /* atomic64_fetch_xor_relaxed */ + + +/* atomic64_xchg_relaxed */ +#ifndef atomic64_xchg_relaxed +#define atomic64_xchg_relaxed atomic64_xchg +#define atomic64_xchg_acquire atomic64_xchg +#define atomic64_xchg_release atomic64_xchg + +#else /* atomic64_xchg_relaxed */ + +#ifndef atomic64_xchg_acquire +#define atomic64_xchg_acquire(...) \ + __atomic_op_acquire(atomic64_xchg, __VA_ARGS__) +#endif + +#ifndef atomic64_xchg_release +#define atomic64_xchg_release(...) \ + __atomic_op_release(atomic64_xchg, __VA_ARGS__) +#endif + +#ifndef atomic64_xchg +#define atomic64_xchg(...) \ + __atomic_op_fence(atomic64_xchg, __VA_ARGS__) +#endif +#endif /* atomic64_xchg_relaxed */ + +/* atomic64_cmpxchg_relaxed */ +#ifndef atomic64_cmpxchg_relaxed +#define atomic64_cmpxchg_relaxed atomic64_cmpxchg +#define atomic64_cmpxchg_acquire atomic64_cmpxchg +#define atomic64_cmpxchg_release atomic64_cmpxchg + +#else /* atomic64_cmpxchg_relaxed */ + +#ifndef atomic64_cmpxchg_acquire +#define atomic64_cmpxchg_acquire(...) \ + __atomic_op_acquire(atomic64_cmpxchg, __VA_ARGS__) +#endif + +#ifndef atomic64_cmpxchg_release +#define atomic64_cmpxchg_release(...) \ + __atomic_op_release(atomic64_cmpxchg, __VA_ARGS__) +#endif + +#ifndef atomic64_cmpxchg +#define atomic64_cmpxchg(...) \ + __atomic_op_fence(atomic64_cmpxchg, __VA_ARGS__) +#endif +#endif /* atomic64_cmpxchg_relaxed */ + #ifndef atomic64_andnot static inline void atomic64_andnot(long long i, atomic64_t *v) { atomic64_and(~i, v); } + +static inline long long atomic64_fetch_andnot(long long i, atomic64_t *v) +{ + return atomic64_fetch_and(~i, v); +} + +static inline long long atomic64_fetch_andnot_relaxed(long long i, atomic64_t *v) +{ + return atomic64_fetch_and_relaxed(~i, v); +} + +static inline long long atomic64_fetch_andnot_acquire(long long i, atomic64_t *v) +{ + return atomic64_fetch_and_acquire(~i, v); +} + +static inline long long atomic64_fetch_andnot_release(long long i, atomic64_t *v) +{ + return atomic64_fetch_and_release(~i, v); +} #endif #include <asm-generic/atomic-long.h> diff --git a/include/linux/audit.h b/include/linux/audit.h index 961a417d641e..e38e3fc13ea8 100644 --- a/include/linux/audit.h +++ b/include/linux/audit.h @@ -26,7 +26,6 @@ #include <linux/sched.h> #include <linux/ptrace.h> #include <uapi/linux/audit.h> -#include <linux/tty.h> #define AUDIT_INO_UNSET ((unsigned long)-1) #define AUDIT_DEV_UNSET ((dev_t)-1) @@ -348,23 +347,6 @@ static inline unsigned int audit_get_sessionid(struct task_struct *tsk) return tsk->sessionid; } -static inline struct tty_struct *audit_get_tty(struct task_struct *tsk) -{ - struct tty_struct *tty = NULL; - unsigned long flags; - - spin_lock_irqsave(&tsk->sighand->siglock, flags); - if (tsk->signal) - tty = tty_kref_get(tsk->signal->tty); - spin_unlock_irqrestore(&tsk->sighand->siglock, flags); - return tty; -} - -static inline void audit_put_tty(struct tty_struct *tty) -{ - tty_kref_put(tty); -} - extern void __audit_ipc_obj(struct kern_ipc_perm *ipcp); extern void __audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, umode_t mode); extern void __audit_bprm(struct linux_binprm *bprm); @@ -522,12 +504,6 @@ static inline unsigned int audit_get_sessionid(struct task_struct *tsk) { return -1; } -static inline struct tty_struct *audit_get_tty(struct task_struct *tsk) -{ - return NULL; -} -static inline void audit_put_tty(struct tty_struct *tty) -{ } static inline void audit_ipc_obj(struct kern_ipc_perm *ipcp) { } static inline void audit_ipc_set_perm(unsigned long qbytes, uid_t uid, diff --git a/include/linux/bcma/bcma.h b/include/linux/bcma/bcma.h index e6b41f42602b..3db25df396cb 100644 --- a/include/linux/bcma/bcma.h +++ b/include/linux/bcma/bcma.h @@ -159,6 +159,7 @@ struct bcma_host_ops { #define BCMA_CORE_DEFAULT 0xFFF #define BCMA_MAX_NR_CORES 16 +#define BCMA_CORE_SIZE 0x1000 /* Chip IDs of PCIe devices */ #define BCMA_CHIP_ID_BCM4313 0x4313 diff --git a/include/linux/binfmts.h b/include/linux/binfmts.h index 576e4639ca60..314b3caa701c 100644 --- a/include/linux/binfmts.h +++ b/include/linux/binfmts.h @@ -65,6 +65,7 @@ struct coredump_params { unsigned long limit; unsigned long mm_flags; loff_t written; + loff_t pos; }; /* diff --git a/include/linux/bitmap.h b/include/linux/bitmap.h index e9b0b9ab07e5..27bfc0b631a9 100644 --- a/include/linux/bitmap.h +++ b/include/linux/bitmap.h @@ -267,6 +267,10 @@ static inline int bitmap_equal(const unsigned long *src1, { if (small_const_nbits(nbits)) return ! ((*src1 ^ *src2) & BITMAP_LAST_WORD_MASK(nbits)); +#ifdef CONFIG_S390 + else if (__builtin_constant_p(nbits) && (nbits % BITS_PER_LONG) == 0) + return !memcmp(src1, src2, nbits / 8); +#endif else return __bitmap_equal(src1, src2, nbits); } diff --git a/include/linux/bpf.h b/include/linux/bpf.h index 8ee27b8afe81..0de4de6dd43e 100644 --- a/include/linux/bpf.h +++ b/include/linux/bpf.h @@ -111,6 +111,31 @@ enum bpf_access_type { BPF_WRITE = 2 }; +/* types of values stored in eBPF registers */ +enum bpf_reg_type { + NOT_INIT = 0, /* nothing was written into register */ + UNKNOWN_VALUE, /* reg doesn't contain a valid pointer */ + PTR_TO_CTX, /* reg points to bpf_context */ + CONST_PTR_TO_MAP, /* reg points to struct bpf_map */ + PTR_TO_MAP_VALUE, /* reg points to map element value */ + PTR_TO_MAP_VALUE_OR_NULL,/* points to map elem value or NULL */ + FRAME_PTR, /* reg == frame_pointer */ + PTR_TO_STACK, /* reg == frame_pointer + imm */ + CONST_IMM, /* constant integer value */ + + /* PTR_TO_PACKET represents: + * skb->data + * skb->data + imm + * skb->data + (u16) var + * skb->data + (u16) var + imm + * if (range > 0) then [ptr, ptr + range - off) is safe to access + * if (id > 0) means that some 'var' was added + * if (off > 0) menas that 'imm' was added + */ + PTR_TO_PACKET, + PTR_TO_PACKET_END, /* skb->data + headlen */ +}; + struct bpf_prog; struct bpf_verifier_ops { @@ -120,7 +145,8 @@ struct bpf_verifier_ops { /* return true if 'size' wide access at offset 'off' within bpf_context * with 'type' (read or write) is allowed */ - bool (*is_valid_access)(int off, int size, enum bpf_access_type type); + bool (*is_valid_access)(int off, int size, enum bpf_access_type type, + enum bpf_reg_type *reg_type); u32 (*convert_ctx_access)(enum bpf_access_type type, int dst_reg, int src_reg, int ctx_off, @@ -238,6 +264,10 @@ static inline struct bpf_prog *bpf_prog_get(u32 ufd) static inline void bpf_prog_put(struct bpf_prog *prog) { } + +static inline void bpf_prog_put_rcu(struct bpf_prog *prog) +{ +} #endif /* CONFIG_BPF_SYSCALL */ /* verifier prototypes for helper functions called from eBPF programs */ diff --git a/include/linux/buffer_head.h b/include/linux/buffer_head.h index d1dd29338ba0..ebbacd14d450 100644 --- a/include/linux/buffer_head.h +++ b/include/linux/buffer_head.h @@ -209,6 +209,9 @@ void block_invalidatepage(struct page *page, unsigned int offset, unsigned int length); int block_write_full_page(struct page *page, get_block_t *get_block, struct writeback_control *wbc); +int __block_write_full_page(struct inode *inode, struct page *page, + get_block_t *get_block, struct writeback_control *wbc, + bh_end_io_t *handler); int block_read_full_page(struct page*, get_block_t*); int block_is_partially_uptodate(struct page *page, unsigned long from, unsigned long count); diff --git a/include/linux/clk-provider.h b/include/linux/clk-provider.h index 0c72204c75fc..fb39d5add173 100644 --- a/include/linux/clk-provider.h +++ b/include/linux/clk-provider.h @@ -25,7 +25,7 @@ #define CLK_SET_PARENT_GATE BIT(1) /* must be gated across re-parent */ #define CLK_SET_RATE_PARENT BIT(2) /* propagate rate change up one level */ #define CLK_IGNORE_UNUSED BIT(3) /* do not gate even if unused */ -#define CLK_IS_ROOT BIT(4) /* Deprecated: Don't use */ + /* unused */ #define CLK_IS_BASIC BIT(5) /* Basic clk, can't do a to_clk_foo() */ #define CLK_GET_RATE_NOCACHE BIT(6) /* do not use the cached clk rate */ #define CLK_SET_RATE_NO_REPARENT BIT(7) /* don't re-parent on rate change */ diff --git a/include/linux/clk.h b/include/linux/clk.h index 0df4a51e1a78..834179f3fa72 100644 --- a/include/linux/clk.h +++ b/include/linux/clk.h @@ -461,6 +461,10 @@ static inline struct clk *clk_get_parent(struct clk *clk) return NULL; } +static inline struct clk *clk_get_sys(const char *dev_id, const char *con_id) +{ + return NULL; +} #endif /* clk_prepare_enable helps cases using clk_enable in non-atomic context. */ diff --git a/include/linux/clocksource.h b/include/linux/clocksource.h index 44a1aff22566..08398182f56e 100644 --- a/include/linux/clocksource.h +++ b/include/linux/clocksource.h @@ -244,7 +244,7 @@ extern int clocksource_mmio_init(void __iomem *, const char *, extern int clocksource_i8253_init(void); #define CLOCKSOURCE_OF_DECLARE(name, compat, fn) \ - OF_DECLARE_1(clksrc, name, compat, fn) + OF_DECLARE_1_RET(clksrc, name, compat, fn) #ifdef CONFIG_CLKSRC_PROBE extern void clocksource_probe(void); diff --git a/include/linux/compiler.h b/include/linux/compiler.h index 793c0829e3a3..2e853b679a5d 100644 --- a/include/linux/compiler.h +++ b/include/linux/compiler.h @@ -304,23 +304,6 @@ static __always_inline void __write_once_size(volatile void *p, void *res, int s __u.__val; \ }) -/** - * smp_cond_acquire() - Spin wait for cond with ACQUIRE ordering - * @cond: boolean expression to wait for - * - * Equivalent to using smp_load_acquire() on the condition variable but employs - * the control dependency of the wait to reduce the barrier on many platforms. - * - * The control dependency provides a LOAD->STORE order, the additional RMB - * provides LOAD->LOAD order, together they provide LOAD->{LOAD,STORE} order, - * aka. ACQUIRE. - */ -#define smp_cond_acquire(cond) do { \ - while (!(cond)) \ - cpu_relax(); \ - smp_rmb(); /* ctrl + rmb := acquire */ \ -} while (0) - #endif /* __KERNEL__ */ #endif /* __ASSEMBLY__ */ @@ -545,10 +528,14 @@ static __always_inline void __write_once_size(volatile void *p, void *res, int s * Similar to rcu_dereference(), but for situations where the pointed-to * object's lifetime is managed by something other than RCU. That * "something other" might be reference counting or simple immortality. + * + * The seemingly unused void * variable is to validate @p is indeed a pointer + * type. All pointer types silently cast to void *. */ #define lockless_dereference(p) \ ({ \ typeof(p) _________p1 = READ_ONCE(p); \ + __maybe_unused const void * const _________p2 = _________p1; \ smp_read_barrier_depends(); /* Dependency order vs. p above. */ \ (_________p1); \ }) diff --git a/include/linux/console.h b/include/linux/console.h index 98c8615dc300..d530c4627e54 100644 --- a/include/linux/console.h +++ b/include/linux/console.h @@ -28,6 +28,13 @@ struct tty_struct; #define VT100ID "\033[?1;2c" #define VT102ID "\033[?6c" +/** + * struct consw - callbacks for consoles + * + * @con_set_palette: sets the palette of the console to @table (optional) + * @con_scrolldelta: the contents of the console should be scrolled by @lines. + * Invoked by user. (optional) + */ struct consw { struct module *owner; const char *(*con_startup)(void); @@ -38,7 +45,6 @@ struct consw { void (*con_putcs)(struct vc_data *, const unsigned short *, int, int, int); void (*con_cursor)(struct vc_data *, int); int (*con_scroll)(struct vc_data *, int, int, int, int); - void (*con_bmove)(struct vc_data *, int, int, int, int, int, int); int (*con_switch)(struct vc_data *); int (*con_blank)(struct vc_data *, int, int); int (*con_font_set)(struct vc_data *, struct console_font *, unsigned); @@ -47,8 +53,9 @@ struct consw { int (*con_font_copy)(struct vc_data *, int); int (*con_resize)(struct vc_data *, unsigned int, unsigned int, unsigned int); - int (*con_set_palette)(struct vc_data *, const unsigned char *); - int (*con_scrolldelta)(struct vc_data *, int); + void (*con_set_palette)(struct vc_data *, + const unsigned char *table); + void (*con_scrolldelta)(struct vc_data *, int lines); int (*con_set_origin)(struct vc_data *); void (*con_save_screen)(struct vc_data *); u8 (*con_build_attr)(struct vc_data *, u8, u8, u8, u8, u8, u8); diff --git a/include/linux/console_struct.h b/include/linux/console_struct.h index e329ee2667e1..6fd3c908a340 100644 --- a/include/linux/console_struct.h +++ b/include/linux/console_struct.h @@ -21,6 +21,38 @@ struct uni_pagedir; #define NPAR 16 +/* + * Example: vc_data of a console that was scrolled 3 lines down. + * + * Console buffer + * vc_screenbuf ---------> +----------------------+-. + * | initializing W | \ + * | initializing X | | + * | initializing Y | > scroll-back area + * | initializing Z | | + * | | / + * vc_visible_origin ---> ^+----------------------+-: + * (changes by scroll) || Welcome to linux | \ + * || | | + * vc_rows --->< | login: root | | visible on console + * || password: | > (vc_screenbuf_size is + * vc_origin -----------> || | | vc_size_row * vc_rows) + * (start when no scroll) || Last login: 12:28 | / + * v+----------------------+-: + * | Have a lot of fun... | \ + * vc_pos -----------------|--------v | > scroll-front area + * | ~ # cat_ | / + * vc_scr_end -----------> +----------------------+-: + * (vc_origin + | | \ EMPTY, to be filled by + * vc_screenbuf_size) | | / vc_video_erase_char + * +----------------------+-' + * <---- 2 * vc_cols -----> + * <---- vc_size_row -----> + * + * Note that every character in the console buffer is accompanied with an + * attribute in the buffer right after the character. This is not depicted + * in the figure. + */ struct vc_data { struct tty_port port; /* Upper level data */ @@ -74,7 +106,6 @@ struct vc_data { unsigned int vc_decawm : 1; /* Autowrap Mode */ unsigned int vc_deccm : 1; /* Cursor Visible */ unsigned int vc_decim : 1; /* Insert Mode */ - unsigned int vc_deccolm : 1; /* 80/132 Column Mode */ /* attribute flags */ unsigned int vc_intensity : 2; /* 0=half-bright, 1=normal, 2=bold */ unsigned int vc_italic:1; @@ -136,6 +167,9 @@ extern void vc_SAK(struct work_struct *work); #define CUR_DEFAULT CUR_UNDERLINE -#define CON_IS_VISIBLE(conp) (*conp->vc_display_fg == conp) +static inline bool con_is_visible(const struct vc_data *vc) +{ + return *vc->vc_display_fg == vc; +} #endif /* _LINUX_CONSOLE_STRUCT_H */ diff --git a/include/linux/context_tracking.h b/include/linux/context_tracking.h index d259274238db..d9aef2a0ec8e 100644 --- a/include/linux/context_tracking.h +++ b/include/linux/context_tracking.h @@ -31,6 +31,19 @@ static inline void user_exit(void) context_tracking_exit(CONTEXT_USER); } +/* Called with interrupts disabled. */ +static inline void user_enter_irqoff(void) +{ + if (context_tracking_is_enabled()) + __context_tracking_enter(CONTEXT_USER); + +} +static inline void user_exit_irqoff(void) +{ + if (context_tracking_is_enabled()) + __context_tracking_exit(CONTEXT_USER); +} + static inline enum ctx_state exception_enter(void) { enum ctx_state prev_ctx; @@ -69,6 +82,8 @@ static inline enum ctx_state ct_state(void) #else static inline void user_enter(void) { } static inline void user_exit(void) { } +static inline void user_enter_irqoff(void) { } +static inline void user_exit_irqoff(void) { } static inline enum ctx_state exception_enter(void) { return 0; } static inline void exception_exit(enum ctx_state prev_ctx) { } static inline enum ctx_state ct_state(void) { return CONTEXT_DISABLED; } diff --git a/include/linux/cpuidle.h b/include/linux/cpuidle.h index 786ad32631a6..07b83d32f66c 100644 --- a/include/linux/cpuidle.h +++ b/include/linux/cpuidle.h @@ -152,6 +152,8 @@ extern void cpuidle_disable_device(struct cpuidle_device *dev); extern int cpuidle_play_dead(void); extern struct cpuidle_driver *cpuidle_get_cpu_driver(struct cpuidle_device *dev); +static inline struct cpuidle_device *cpuidle_get_device(void) +{return __this_cpu_read(cpuidle_devices); } #else static inline void disable_cpuidle(void) { } static inline bool cpuidle_not_available(struct cpuidle_driver *drv, @@ -187,6 +189,7 @@ static inline void cpuidle_disable_device(struct cpuidle_device *dev) { } static inline int cpuidle_play_dead(void) {return -ENODEV; } static inline struct cpuidle_driver *cpuidle_get_cpu_driver( struct cpuidle_device *dev) {return NULL; } +static inline struct cpuidle_device *cpuidle_get_device(void) {return NULL; } #endif #if defined(CONFIG_CPU_IDLE) && defined(CONFIG_SUSPEND) diff --git a/include/linux/crypto.h b/include/linux/crypto.h index 6e28c895c376..7cee5551625b 100644 --- a/include/linux/crypto.h +++ b/include/linux/crypto.h @@ -47,16 +47,18 @@ #define CRYPTO_ALG_TYPE_AEAD 0x00000003 #define CRYPTO_ALG_TYPE_BLKCIPHER 0x00000004 #define CRYPTO_ALG_TYPE_ABLKCIPHER 0x00000005 +#define CRYPTO_ALG_TYPE_SKCIPHER 0x00000005 #define CRYPTO_ALG_TYPE_GIVCIPHER 0x00000006 -#define CRYPTO_ALG_TYPE_DIGEST 0x00000008 -#define CRYPTO_ALG_TYPE_HASH 0x00000008 -#define CRYPTO_ALG_TYPE_SHASH 0x00000009 -#define CRYPTO_ALG_TYPE_AHASH 0x0000000a +#define CRYPTO_ALG_TYPE_KPP 0x00000008 #define CRYPTO_ALG_TYPE_RNG 0x0000000c #define CRYPTO_ALG_TYPE_AKCIPHER 0x0000000d +#define CRYPTO_ALG_TYPE_DIGEST 0x0000000e +#define CRYPTO_ALG_TYPE_HASH 0x0000000e +#define CRYPTO_ALG_TYPE_SHASH 0x0000000e +#define CRYPTO_ALG_TYPE_AHASH 0x0000000f #define CRYPTO_ALG_TYPE_HASH_MASK 0x0000000e -#define CRYPTO_ALG_TYPE_AHASH_MASK 0x0000000c +#define CRYPTO_ALG_TYPE_AHASH_MASK 0x0000000e #define CRYPTO_ALG_TYPE_BLKCIPHER_MASK 0x0000000c #define CRYPTO_ALG_LARVAL 0x00000010 @@ -486,8 +488,6 @@ struct ablkcipher_tfm { unsigned int keylen); int (*encrypt)(struct ablkcipher_request *req); int (*decrypt)(struct ablkcipher_request *req); - int (*givencrypt)(struct skcipher_givcrypt_request *req); - int (*givdecrypt)(struct skcipher_givcrypt_request *req); struct crypto_ablkcipher *base; @@ -712,23 +712,6 @@ static inline u32 crypto_skcipher_mask(u32 mask) * state information is unused by the kernel crypto API. */ -/** - * crypto_alloc_ablkcipher() - allocate asynchronous block cipher handle - * @alg_name: is the cra_name / name or cra_driver_name / driver name of the - * ablkcipher cipher - * @type: specifies the type of the cipher - * @mask: specifies the mask for the cipher - * - * Allocate a cipher handle for an ablkcipher. The returned struct - * crypto_ablkcipher is the cipher handle that is required for any subsequent - * API invocation for that ablkcipher. - * - * Return: allocated cipher handle in case of success; IS_ERR() is true in case - * of an error, PTR_ERR() returns the error code. - */ -struct crypto_ablkcipher *crypto_alloc_ablkcipher(const char *alg_name, - u32 type, u32 mask); - static inline struct crypto_tfm *crypto_ablkcipher_tfm( struct crypto_ablkcipher *tfm) { diff --git a/include/linux/dcache.h b/include/linux/dcache.h index 484c8792da82..f53fa055021a 100644 --- a/include/linux/dcache.h +++ b/include/linux/dcache.h @@ -212,6 +212,7 @@ struct dentry_operations { #define DCACHE_OP_REAL 0x08000000 #define DCACHE_PAR_LOOKUP 0x10000000 /* being looked up (with parent locked shared) */ +#define DCACHE_DENTRY_CURSOR 0x20000000 extern seqlock_t rename_lock; @@ -575,5 +576,17 @@ static inline struct inode *vfs_select_inode(struct dentry *dentry, return inode; } +/** + * d_real_inode - Return the real inode + * @dentry: The dentry to query + * + * If dentry is on an union/overlay, then return the underlying, real inode. + * Otherwise return d_inode(). + */ +static inline struct inode *d_real_inode(struct dentry *dentry) +{ + return d_backing_inode(d_real(dentry)); +} + #endif /* __LINUX_DCACHE_H */ diff --git a/include/linux/dma/hsu.h b/include/linux/dma/hsu.h index 79df69dc629c..aaff68efba5d 100644 --- a/include/linux/dma/hsu.h +++ b/include/linux/dma/hsu.h @@ -39,14 +39,22 @@ struct hsu_dma_chip { #if IS_ENABLED(CONFIG_HSU_DMA) /* Export to the internal users */ -irqreturn_t hsu_dma_irq(struct hsu_dma_chip *chip, unsigned short nr); +int hsu_dma_get_status(struct hsu_dma_chip *chip, unsigned short nr, + u32 *status); +irqreturn_t hsu_dma_do_irq(struct hsu_dma_chip *chip, unsigned short nr, + u32 status); /* Export to the platform drivers */ int hsu_dma_probe(struct hsu_dma_chip *chip); int hsu_dma_remove(struct hsu_dma_chip *chip); #else -static inline irqreturn_t hsu_dma_irq(struct hsu_dma_chip *chip, - unsigned short nr) +static inline int hsu_dma_get_status(struct hsu_dma_chip *chip, + unsigned short nr, u32 *status) +{ + return 0; +} +static inline irqreturn_t hsu_dma_do_irq(struct hsu_dma_chip *chip, + unsigned short nr, u32 status) { return IRQ_NONE; } diff --git a/include/linux/efi.h b/include/linux/efi.h index c2db3ca22217..7f80a75ee9e3 100644 --- a/include/linux/efi.h +++ b/include/linux/efi.h @@ -536,116 +536,58 @@ typedef efi_status_t efi_query_variable_store_t(u32 attributes, void efi_native_runtime_setup(void); /* - * EFI Configuration Table and GUID definitions + * EFI Configuration Table and GUID definitions + * + * These are all defined in a single line to make them easier to + * grep for and to see them at a glance - while still having a + * similar structure to the definitions in the spec. + * + * Here's how they are structured: + * + * GUID: 12345678-1234-1234-1234-123456789012 + * Spec: + * #define EFI_SOME_PROTOCOL_GUID \ + * {0x12345678,0x1234,0x1234,\ + * {0x12,0x34,0x12,0x34,0x56,0x78,0x90,0x12}} + * Here: + * #define SOME_PROTOCOL_GUID EFI_GUID(0x12345678, 0x1234, 0x1234, 0x12, 0x34, 0x12, 0x34, 0x56, 0x78, 0x90, 0x12) + * ^ tabs ^extra space + * + * Note that the 'extra space' separates the values at the same place + * where the UEFI SPEC breaks the line. */ -#define NULL_GUID \ - EFI_GUID(0x00000000, 0x0000, 0x0000, \ - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00) - -#define MPS_TABLE_GUID \ - EFI_GUID(0xeb9d2d2f, 0x2d88, 0x11d3, \ - 0x9a, 0x16, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d) - -#define ACPI_TABLE_GUID \ - EFI_GUID(0xeb9d2d30, 0x2d88, 0x11d3, \ - 0x9a, 0x16, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d) - -#define ACPI_20_TABLE_GUID \ - EFI_GUID(0x8868e871, 0xe4f1, 0x11d3, \ - 0xbc, 0x22, 0x00, 0x80, 0xc7, 0x3c, 0x88, 0x81) - -#define SMBIOS_TABLE_GUID \ - EFI_GUID(0xeb9d2d31, 0x2d88, 0x11d3, \ - 0x9a, 0x16, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d) - -#define SMBIOS3_TABLE_GUID \ - EFI_GUID(0xf2fd1544, 0x9794, 0x4a2c, \ - 0x99, 0x2e, 0xe5, 0xbb, 0xcf, 0x20, 0xe3, 0x94) - -#define SAL_SYSTEM_TABLE_GUID \ - EFI_GUID(0xeb9d2d32, 0x2d88, 0x11d3, \ - 0x9a, 0x16, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d) - -#define HCDP_TABLE_GUID \ - EFI_GUID(0xf951938d, 0x620b, 0x42ef, \ - 0x82, 0x79, 0xa8, 0x4b, 0x79, 0x61, 0x78, 0x98) - -#define UGA_IO_PROTOCOL_GUID \ - EFI_GUID(0x61a4d49e, 0x6f68, 0x4f1b, \ - 0xb9, 0x22, 0xa8, 0x6e, 0xed, 0x0b, 0x07, 0xa2) - -#define EFI_GLOBAL_VARIABLE_GUID \ - EFI_GUID(0x8be4df61, 0x93ca, 0x11d2, \ - 0xaa, 0x0d, 0x00, 0xe0, 0x98, 0x03, 0x2b, 0x8c) - -#define UV_SYSTEM_TABLE_GUID \ - EFI_GUID(0x3b13a7d4, 0x633e, 0x11dd, \ - 0x93, 0xec, 0xda, 0x25, 0x56, 0xd8, 0x95, 0x93) - -#define LINUX_EFI_CRASH_GUID \ - EFI_GUID(0xcfc8fc79, 0xbe2e, 0x4ddc, \ - 0x97, 0xf0, 0x9f, 0x98, 0xbf, 0xe2, 0x98, 0xa0) - -#define LOADED_IMAGE_PROTOCOL_GUID \ - EFI_GUID(0x5b1b31a1, 0x9562, 0x11d2, \ - 0x8e, 0x3f, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b) - -#define EFI_GRAPHICS_OUTPUT_PROTOCOL_GUID \ - EFI_GUID(0x9042a9de, 0x23dc, 0x4a38, \ - 0x96, 0xfb, 0x7a, 0xde, 0xd0, 0x80, 0x51, 0x6a) - -#define EFI_UGA_PROTOCOL_GUID \ - EFI_GUID(0x982c298b, 0xf4fa, 0x41cb, \ - 0xb8, 0x38, 0x77, 0xaa, 0x68, 0x8f, 0xb8, 0x39) - -#define EFI_PCI_IO_PROTOCOL_GUID \ - EFI_GUID(0x4cf5b200, 0x68b8, 0x4ca5, \ - 0x9e, 0xec, 0xb2, 0x3e, 0x3f, 0x50, 0x02, 0x9a) - -#define EFI_FILE_INFO_ID \ - EFI_GUID(0x9576e92, 0x6d3f, 0x11d2, \ - 0x8e, 0x39, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b) - -#define EFI_SYSTEM_RESOURCE_TABLE_GUID \ - EFI_GUID(0xb122a263, 0x3661, 0x4f68, \ - 0x99, 0x29, 0x78, 0xf8, 0xb0, 0xd6, 0x21, 0x80) - -#define EFI_FILE_SYSTEM_GUID \ - EFI_GUID(0x964e5b22, 0x6459, 0x11d2, \ - 0x8e, 0x39, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b) - -#define DEVICE_TREE_GUID \ - EFI_GUID(0xb1b621d5, 0xf19c, 0x41a5, \ - 0x83, 0x0b, 0xd9, 0x15, 0x2c, 0x69, 0xaa, 0xe0) - -#define EFI_PROPERTIES_TABLE_GUID \ - EFI_GUID(0x880aaca3, 0x4adc, 0x4a04, \ - 0x90, 0x79, 0xb7, 0x47, 0x34, 0x08, 0x25, 0xe5) - -#define EFI_RNG_PROTOCOL_GUID \ - EFI_GUID(0x3152bca5, 0xeade, 0x433d, \ - 0x86, 0x2e, 0xc0, 0x1c, 0xdc, 0x29, 0x1f, 0x44) - -#define EFI_MEMORY_ATTRIBUTES_TABLE_GUID \ - EFI_GUID(0xdcfa911d, 0x26eb, 0x469f, \ - 0xa2, 0x20, 0x38, 0xb7, 0xdc, 0x46, 0x12, 0x20) - -#define EFI_CONSOLE_OUT_DEVICE_GUID \ - EFI_GUID(0xd3b36f2c, 0xd551, 0x11d4, \ - 0x9a, 0x46, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d) +#define NULL_GUID EFI_GUID(0x00000000, 0x0000, 0x0000, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00) +#define MPS_TABLE_GUID EFI_GUID(0xeb9d2d2f, 0x2d88, 0x11d3, 0x9a, 0x16, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d) +#define ACPI_TABLE_GUID EFI_GUID(0xeb9d2d30, 0x2d88, 0x11d3, 0x9a, 0x16, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d) +#define ACPI_20_TABLE_GUID EFI_GUID(0x8868e871, 0xe4f1, 0x11d3, 0xbc, 0x22, 0x00, 0x80, 0xc7, 0x3c, 0x88, 0x81) +#define SMBIOS_TABLE_GUID EFI_GUID(0xeb9d2d31, 0x2d88, 0x11d3, 0x9a, 0x16, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d) +#define SMBIOS3_TABLE_GUID EFI_GUID(0xf2fd1544, 0x9794, 0x4a2c, 0x99, 0x2e, 0xe5, 0xbb, 0xcf, 0x20, 0xe3, 0x94) +#define SAL_SYSTEM_TABLE_GUID EFI_GUID(0xeb9d2d32, 0x2d88, 0x11d3, 0x9a, 0x16, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d) +#define HCDP_TABLE_GUID EFI_GUID(0xf951938d, 0x620b, 0x42ef, 0x82, 0x79, 0xa8, 0x4b, 0x79, 0x61, 0x78, 0x98) +#define UGA_IO_PROTOCOL_GUID EFI_GUID(0x61a4d49e, 0x6f68, 0x4f1b, 0xb9, 0x22, 0xa8, 0x6e, 0xed, 0x0b, 0x07, 0xa2) +#define EFI_GLOBAL_VARIABLE_GUID EFI_GUID(0x8be4df61, 0x93ca, 0x11d2, 0xaa, 0x0d, 0x00, 0xe0, 0x98, 0x03, 0x2b, 0x8c) +#define UV_SYSTEM_TABLE_GUID EFI_GUID(0x3b13a7d4, 0x633e, 0x11dd, 0x93, 0xec, 0xda, 0x25, 0x56, 0xd8, 0x95, 0x93) +#define LINUX_EFI_CRASH_GUID EFI_GUID(0xcfc8fc79, 0xbe2e, 0x4ddc, 0x97, 0xf0, 0x9f, 0x98, 0xbf, 0xe2, 0x98, 0xa0) +#define LOADED_IMAGE_PROTOCOL_GUID EFI_GUID(0x5b1b31a1, 0x9562, 0x11d2, 0x8e, 0x3f, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b) +#define EFI_GRAPHICS_OUTPUT_PROTOCOL_GUID EFI_GUID(0x9042a9de, 0x23dc, 0x4a38, 0x96, 0xfb, 0x7a, 0xde, 0xd0, 0x80, 0x51, 0x6a) +#define EFI_UGA_PROTOCOL_GUID EFI_GUID(0x982c298b, 0xf4fa, 0x41cb, 0xb8, 0x38, 0x77, 0xaa, 0x68, 0x8f, 0xb8, 0x39) +#define EFI_PCI_IO_PROTOCOL_GUID EFI_GUID(0x4cf5b200, 0x68b8, 0x4ca5, 0x9e, 0xec, 0xb2, 0x3e, 0x3f, 0x50, 0x02, 0x9a) +#define EFI_FILE_INFO_ID EFI_GUID(0x09576e92, 0x6d3f, 0x11d2, 0x8e, 0x39, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b) +#define EFI_SYSTEM_RESOURCE_TABLE_GUID EFI_GUID(0xb122a263, 0x3661, 0x4f68, 0x99, 0x29, 0x78, 0xf8, 0xb0, 0xd6, 0x21, 0x80) +#define EFI_FILE_SYSTEM_GUID EFI_GUID(0x964e5b22, 0x6459, 0x11d2, 0x8e, 0x39, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b) +#define DEVICE_TREE_GUID EFI_GUID(0xb1b621d5, 0xf19c, 0x41a5, 0x83, 0x0b, 0xd9, 0x15, 0x2c, 0x69, 0xaa, 0xe0) +#define EFI_PROPERTIES_TABLE_GUID EFI_GUID(0x880aaca3, 0x4adc, 0x4a04, 0x90, 0x79, 0xb7, 0x47, 0x34, 0x08, 0x25, 0xe5) +#define EFI_RNG_PROTOCOL_GUID EFI_GUID(0x3152bca5, 0xeade, 0x433d, 0x86, 0x2e, 0xc0, 0x1c, 0xdc, 0x29, 0x1f, 0x44) +#define EFI_MEMORY_ATTRIBUTES_TABLE_GUID EFI_GUID(0xdcfa911d, 0x26eb, 0x469f, 0xa2, 0x20, 0x38, 0xb7, 0xdc, 0x46, 0x12, 0x20) +#define EFI_CONSOLE_OUT_DEVICE_GUID EFI_GUID(0xd3b36f2c, 0xd551, 0x11d4, 0x9a, 0x46, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d) /* * This GUID is used to pass to the kernel proper the struct screen_info * structure that was populated by the stub based on the GOP protocol instance * associated with ConOut */ -#define LINUX_EFI_ARM_SCREEN_INFO_TABLE_GUID \ - EFI_GUID(0xe03fc20a, 0x85dc, 0x406e, \ - 0xb9, 0xe, 0x4a, 0xb5, 0x02, 0x37, 0x1d, 0x95) - -#define LINUX_EFI_LOADER_ENTRY_GUID \ - EFI_GUID(0x4a67b082, 0x0a4c, 0x41cf, \ - 0xb6, 0xc7, 0x44, 0x0b, 0x29, 0xbb, 0x8c, 0x4f) +#define LINUX_EFI_ARM_SCREEN_INFO_TABLE_GUID EFI_GUID(0xe03fc20a, 0x85dc, 0x406e, 0xb9, 0x0e, 0x4a, 0xb5, 0x02, 0x37, 0x1d, 0x95) +#define LINUX_EFI_LOADER_ENTRY_GUID EFI_GUID(0x4a67b082, 0x0a4c, 0x41cf, 0xb6, 0xc7, 0x44, 0x0b, 0x29, 0xbb, 0x8c, 0x4f) typedef struct { efi_guid_t guid; @@ -975,7 +917,6 @@ extern u64 efi_mem_desc_end(efi_memory_desc_t *md); extern int efi_mem_desc_lookup(u64 phys_addr, efi_memory_desc_t *out_md); extern void efi_initialize_iomem_resources(struct resource *code_resource, struct resource *data_resource, struct resource *bss_resource); -extern void efi_get_time(struct timespec *now); extern void efi_reserve_boot_services(void); extern int efi_get_fdt_params(struct efi_fdt_params *params); extern struct kobject *efi_kobj; @@ -1005,7 +946,7 @@ extern int efi_memattr_apply_permissions(struct mm_struct *mm, /* Iterate through an efi_memory_map */ #define for_each_efi_memory_desc_in_map(m, md) \ for ((md) = (m)->map; \ - (md) <= (efi_memory_desc_t *)((m)->map_end - (m)->desc_size); \ + ((void *)(md) + (m)->desc_size) <= (m)->map_end; \ (md) = (void *)(md) + (m)->desc_size) /** @@ -1465,4 +1406,55 @@ efi_status_t efi_setup_gop(efi_system_table_t *sys_table_arg, unsigned long size); bool efi_runtime_disabled(void); +extern void efi_call_virt_check_flags(unsigned long flags, const char *call); + +/* + * Arch code can implement the following three template macros, avoiding + * reptition for the void/non-void return cases of {__,}efi_call_virt(): + * + * * arch_efi_call_virt_setup() + * + * Sets up the environment for the call (e.g. switching page tables, + * allowing kernel-mode use of floating point, if required). + * + * * arch_efi_call_virt() + * + * Performs the call. The last expression in the macro must be the call + * itself, allowing the logic to be shared by the void and non-void + * cases. + * + * * arch_efi_call_virt_teardown() + * + * Restores the usual kernel environment once the call has returned. + */ + +#define efi_call_virt_pointer(p, f, args...) \ +({ \ + efi_status_t __s; \ + unsigned long __flags; \ + \ + arch_efi_call_virt_setup(); \ + \ + local_save_flags(__flags); \ + __s = arch_efi_call_virt(p, f, args); \ + efi_call_virt_check_flags(__flags, __stringify(f)); \ + \ + arch_efi_call_virt_teardown(); \ + \ + __s; \ +}) + +#define __efi_call_virt_pointer(p, f, args...) \ +({ \ + unsigned long __flags; \ + \ + arch_efi_call_virt_setup(); \ + \ + local_save_flags(__flags); \ + arch_efi_call_virt(p, f, args); \ + efi_call_virt_check_flags(__flags, __stringify(f)); \ + \ + arch_efi_call_virt_teardown(); \ +}) + #endif /* _LINUX_EFI_H */ diff --git a/include/linux/extcon.h b/include/linux/extcon.h index 7abf674c388c..61004413dc64 100644 --- a/include/linux/extcon.h +++ b/include/linux/extcon.h @@ -126,42 +126,6 @@ struct extcon_dev { struct device_attribute *d_attrs_muex; }; -/** - * struct extcon_cable - An internal data for each cable of extcon device. - * @edev: The extcon device - * @cable_index: Index of this cable in the edev - * @attr_g: Attribute group for the cable - * @attr_name: "name" sysfs entry - * @attr_state: "state" sysfs entry - * @attrs: Array pointing to attr_name and attr_state for attr_g - */ -struct extcon_cable { - struct extcon_dev *edev; - int cable_index; - - struct attribute_group attr_g; - struct device_attribute attr_name; - struct device_attribute attr_state; - - struct attribute *attrs[3]; /* to be fed to attr_g.attrs */ -}; - -/** - * struct extcon_specific_cable_nb - An internal data for - * extcon_register_interest(). - * @user_nb: user provided notifier block for events from - * a specific cable. - * @cable_index: the target cable. - * @edev: the target extcon device. - * @previous_value: the saved previous event value. - */ -struct extcon_specific_cable_nb { - struct notifier_block *user_nb; - int cable_index; - struct extcon_dev *edev; - unsigned long previous_value; -}; - #if IS_ENABLED(CONFIG_EXTCON) /* @@ -201,29 +165,12 @@ extern int extcon_update_state(struct extcon_dev *edev, u32 mask, u32 state); /* * get/set_cable_state access each bit of the 32b encoded state value. - * They are used to access the status of each cable based on the cable_name. + * They are used to access the status of each cable based on the cable id. */ extern int extcon_get_cable_state_(struct extcon_dev *edev, unsigned int id); extern int extcon_set_cable_state_(struct extcon_dev *edev, unsigned int id, bool cable_state); -extern int extcon_get_cable_state(struct extcon_dev *edev, - const char *cable_name); -extern int extcon_set_cable_state(struct extcon_dev *edev, - const char *cable_name, bool cable_state); - -/* - * Following APIs are for notifiees (those who want to be notified) - * to register a callback for events from a specific cable of the extcon. - * Notifiees are the connected device drivers wanting to get notified by - * a specific external port of a connection device. - */ -extern int extcon_register_interest(struct extcon_specific_cable_nb *obj, - const char *extcon_name, - const char *cable_name, - struct notifier_block *nb); -extern int extcon_unregister_interest(struct extcon_specific_cable_nb *nb); - /* * Following APIs are to monitor every action of a notifier. * Registrar gets notified for every external port of a connection device. @@ -235,6 +182,12 @@ extern int extcon_register_notifier(struct extcon_dev *edev, unsigned int id, struct notifier_block *nb); extern int extcon_unregister_notifier(struct extcon_dev *edev, unsigned int id, struct notifier_block *nb); +extern int devm_extcon_register_notifier(struct device *dev, + struct extcon_dev *edev, unsigned int id, + struct notifier_block *nb); +extern void devm_extcon_unregister_notifier(struct device *dev, + struct extcon_dev *edev, unsigned int id, + struct notifier_block *nb); /* * Following API get the extcon device from devicetree. @@ -246,6 +199,7 @@ extern struct extcon_dev *extcon_get_edev_by_phandle(struct device *dev, /* Following API to get information of extcon device */ extern const char *extcon_get_edev_name(struct extcon_dev *edev); + #else /* CONFIG_EXTCON */ static inline int extcon_dev_register(struct extcon_dev *edev) { @@ -306,18 +260,6 @@ static inline int extcon_set_cable_state_(struct extcon_dev *edev, return 0; } -static inline int extcon_get_cable_state(struct extcon_dev *edev, - const char *cable_name) -{ - return 0; -} - -static inline int extcon_set_cable_state(struct extcon_dev *edev, - const char *cable_name, int state) -{ - return 0; -} - static inline struct extcon_dev *extcon_get_extcon_dev(const char *extcon_name) { return NULL; @@ -337,19 +279,16 @@ static inline int extcon_unregister_notifier(struct extcon_dev *edev, return 0; } -static inline int extcon_register_interest(struct extcon_specific_cable_nb *obj, - const char *extcon_name, - const char *cable_name, - struct notifier_block *nb) +static inline int devm_extcon_register_notifier(struct device *dev, + struct extcon_dev *edev, unsigned int id, + struct notifier_block *nb) { - return 0; + return -ENOSYS; } -static inline int extcon_unregister_interest(struct extcon_specific_cable_nb - *obj) -{ - return 0; -} +static inline void devm_extcon_unregister_notifier(struct device *dev, + struct extcon_dev *edev, unsigned int id, + struct notifier_block *nb) { } static inline struct extcon_dev *extcon_get_edev_by_phandle(struct device *dev, int index) @@ -357,4 +296,28 @@ static inline struct extcon_dev *extcon_get_edev_by_phandle(struct device *dev, return ERR_PTR(-ENODEV); } #endif /* CONFIG_EXTCON */ + +/* + * Following structure and API are deprecated. EXTCON remains the function + * definition to prevent the build break. + */ +struct extcon_specific_cable_nb { + struct notifier_block *user_nb; + int cable_index; + struct extcon_dev *edev; + unsigned long previous_value; +}; + +static inline int extcon_register_interest(struct extcon_specific_cable_nb *obj, + const char *extcon_name, const char *cable_name, + struct notifier_block *nb) +{ + return -EINVAL; +} + +static inline int extcon_unregister_interest(struct extcon_specific_cable_nb + *obj) +{ + return -EINVAL; +} #endif /* __LINUX_EXTCON_H__ */ diff --git a/include/linux/extcon/extcon-adc-jack.h b/include/linux/extcon/extcon-adc-jack.h index 53c60806bcfb..ac85f2061351 100644 --- a/include/linux/extcon/extcon-adc-jack.h +++ b/include/linux/extcon/extcon-adc-jack.h @@ -53,6 +53,7 @@ struct adc_jack_cond { * milli-seconds after the interrupt occurs. You may * describe such delays with @handling_delay_ms, which * is rounded-off by jiffies. + * @wakeup_source: flag to wake up the system for extcon events. */ struct adc_jack_pdata { const char *name; @@ -65,6 +66,7 @@ struct adc_jack_pdata { unsigned long irq_flags; unsigned long handling_delay_ms; /* in ms */ + bool wakeup_source; }; #endif /* _EXTCON_ADC_JACK_H */ diff --git a/include/linux/fence.h b/include/linux/fence.h index 2056e9fd0138..1de1b3f6fb76 100644 --- a/include/linux/fence.h +++ b/include/linux/fence.h @@ -81,8 +81,6 @@ struct fence { unsigned long flags; ktime_t timestamp; int status; - struct list_head child_list; - struct list_head active_list; }; enum fence_flag_bits { diff --git a/include/linux/filter.h b/include/linux/filter.h index 6fc31ef1da2d..8f74f3d61894 100644 --- a/include/linux/filter.h +++ b/include/linux/filter.h @@ -467,7 +467,11 @@ static inline void bpf_prog_unlock_ro(struct bpf_prog *fp) } #endif /* CONFIG_DEBUG_SET_MODULE_RONX */ -int sk_filter(struct sock *sk, struct sk_buff *skb); +int sk_filter_trim_cap(struct sock *sk, struct sk_buff *skb, unsigned int cap); +static inline int sk_filter(struct sock *sk, struct sk_buff *skb) +{ + return sk_filter_trim_cap(sk, skb, 1); +} struct bpf_prog *bpf_prog_select_runtime(struct bpf_prog *fp, int *err); void bpf_prog_free(struct bpf_prog *fp); diff --git a/include/linux/huge_mm.h b/include/linux/huge_mm.h index 419fb9e03447..f0a7a0320300 100644 --- a/include/linux/huge_mm.h +++ b/include/linux/huge_mm.h @@ -94,7 +94,7 @@ static inline int split_huge_page(struct page *page) void deferred_split_huge_page(struct page *page); void __split_huge_pmd(struct vm_area_struct *vma, pmd_t *pmd, - unsigned long address, bool freeze); + unsigned long address, bool freeze, struct page *page); #define split_huge_pmd(__vma, __pmd, __address) \ do { \ @@ -102,7 +102,7 @@ void __split_huge_pmd(struct vm_area_struct *vma, pmd_t *pmd, if (pmd_trans_huge(*____pmd) \ || pmd_devmap(*____pmd)) \ __split_huge_pmd(__vma, __pmd, __address, \ - false); \ + false, NULL); \ } while (0) diff --git a/include/linux/iio/common/st_sensors.h b/include/linux/iio/common/st_sensors.h index d029ffac0d69..228bd44efa4c 100644 --- a/include/linux/iio/common/st_sensors.h +++ b/include/linux/iio/common/st_sensors.h @@ -223,6 +223,9 @@ struct st_sensor_settings { * @get_irq_data_ready: Function to get the IRQ used for data ready signal. * @tf: Transfer function structure used by I/O operations. * @tb: Transfer buffers and mutex used by I/O operations. + * @edge_irq: the IRQ triggers on edges and need special handling. + * @hw_irq_trigger: if we're using the hardware interrupt on the sensor. + * @hw_timestamp: Latest timestamp from the interrupt handler, when in use. */ struct st_sensor_data { struct device *dev; @@ -247,12 +250,14 @@ struct st_sensor_data { const struct st_sensor_transfer_function *tf; struct st_sensor_transfer_buffer tb; + + bool edge_irq; + bool hw_irq_trigger; + s64 hw_timestamp; }; #ifdef CONFIG_IIO_BUFFER irqreturn_t st_sensors_trigger_handler(int irq, void *p); - -int st_sensors_get_buffer_element(struct iio_dev *indio_dev, u8 *buf); #endif #ifdef CONFIG_IIO_TRIGGER @@ -260,7 +265,8 @@ int st_sensors_allocate_trigger(struct iio_dev *indio_dev, const struct iio_trigger_ops *trigger_ops); void st_sensors_deallocate_trigger(struct iio_dev *indio_dev); - +int st_sensors_validate_device(struct iio_trigger *trig, + struct iio_dev *indio_dev); #else static inline int st_sensors_allocate_trigger(struct iio_dev *indio_dev, const struct iio_trigger_ops *trigger_ops) @@ -271,6 +277,7 @@ static inline void st_sensors_deallocate_trigger(struct iio_dev *indio_dev) { return; } +#define st_sensors_validate_device NULL #endif int st_sensors_init_sensor(struct iio_dev *indio_dev, @@ -280,7 +287,7 @@ int st_sensors_set_enable(struct iio_dev *indio_dev, bool enable); int st_sensors_set_axis_enable(struct iio_dev *indio_dev, u8 axis_enable); -void st_sensors_power_enable(struct iio_dev *indio_dev); +int st_sensors_power_enable(struct iio_dev *indio_dev); void st_sensors_power_disable(struct iio_dev *indio_dev); diff --git a/include/linux/iio/iio.h b/include/linux/iio/iio.h index 7c29cb0124ae..854e2dad1e0d 100644 --- a/include/linux/iio/iio.h +++ b/include/linux/iio/iio.h @@ -312,13 +312,8 @@ static inline bool iio_channel_has_info(const struct iio_chan_spec *chan, }, \ } -/** - * iio_get_time_ns() - utility function to get a time stamp for events etc - **/ -static inline s64 iio_get_time_ns(void) -{ - return ktime_get_real_ns(); -} +s64 iio_get_time_ns(const struct iio_dev *indio_dev); +unsigned int iio_get_time_res(const struct iio_dev *indio_dev); /* Device operating modes */ #define INDIO_DIRECT_MODE 0x01 @@ -497,6 +492,7 @@ struct iio_buffer_setup_ops { * @chan_attr_group: [INTERN] group for all attrs in base directory * @name: [DRIVER] name of the device. * @info: [DRIVER] callbacks and constant info from driver + * @clock_id: [INTERN] timestamping clock posix identifier * @info_exist_lock: [INTERN] lock to prevent use during removal * @setup_ops: [DRIVER] callbacks to call before and after buffer * enable/disable @@ -537,6 +533,7 @@ struct iio_dev { struct attribute_group chan_attr_group; const char *name; const struct iio_info *info; + clockid_t clock_id; struct mutex info_exist_lock; const struct iio_buffer_setup_ops *setup_ops; struct cdev chrdev; @@ -565,7 +562,7 @@ extern struct bus_type iio_bus_type; /** * iio_device_put() - reference counted deallocation of struct device - * @indio_dev: IIO device structure containing the device + * @indio_dev: IIO device structure containing the device **/ static inline void iio_device_put(struct iio_dev *indio_dev) { @@ -574,6 +571,15 @@ static inline void iio_device_put(struct iio_dev *indio_dev) } /** + * iio_device_get_clock() - Retrieve current timestamping clock for the device + * @indio_dev: IIO device structure containing the device + */ +static inline clockid_t iio_device_get_clock(const struct iio_dev *indio_dev) +{ + return indio_dev->clock_id; +} + +/** * dev_to_iio_dev() - Get IIO device struct from a device struct * @dev: The device embedded in the IIO device * diff --git a/include/linux/iio/sw_device.h b/include/linux/iio/sw_device.h new file mode 100644 index 000000000000..23ca41515527 --- /dev/null +++ b/include/linux/iio/sw_device.h @@ -0,0 +1,70 @@ +/* + * Industrial I/O software device interface + * + * Copyright (c) 2016 Intel Corporation + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published by + * the Free Software Foundation. + */ + +#ifndef __IIO_SW_DEVICE +#define __IIO_SW_DEVICE + +#include <linux/module.h> +#include <linux/device.h> +#include <linux/iio/iio.h> +#include <linux/configfs.h> + +#define module_iio_sw_device_driver(__iio_sw_device_type) \ + module_driver(__iio_sw_device_type, iio_register_sw_device_type, \ + iio_unregister_sw_device_type) + +struct iio_sw_device_ops; + +struct iio_sw_device_type { + const char *name; + struct module *owner; + const struct iio_sw_device_ops *ops; + struct list_head list; + struct config_group *group; +}; + +struct iio_sw_device { + struct iio_dev *device; + struct iio_sw_device_type *device_type; + struct config_group group; +}; + +struct iio_sw_device_ops { + struct iio_sw_device* (*probe)(const char *); + int (*remove)(struct iio_sw_device *); +}; + +static inline +struct iio_sw_device *to_iio_sw_device(struct config_item *item) +{ + return container_of(to_config_group(item), struct iio_sw_device, + group); +} + +int iio_register_sw_device_type(struct iio_sw_device_type *dt); +void iio_unregister_sw_device_type(struct iio_sw_device_type *dt); + +struct iio_sw_device *iio_sw_device_create(const char *, const char *); +void iio_sw_device_destroy(struct iio_sw_device *); + +int iio_sw_device_type_configfs_register(struct iio_sw_device_type *dt); +void iio_sw_device_type_configfs_unregister(struct iio_sw_device_type *dt); + +static inline +void iio_swd_group_init_type_name(struct iio_sw_device *d, + const char *name, + struct config_item_type *type) +{ +#ifdef CONFIG_CONFIGFS_FS + config_group_init_type_name(&d->group, name, type); +#endif +} + +#endif /* __IIO_SW_DEVICE */ diff --git a/include/linux/inet_diag.h b/include/linux/inet_diag.h index 7c27fa1030e8..feb04ea20f11 100644 --- a/include/linux/inet_diag.h +++ b/include/linux/inet_diag.h @@ -52,6 +52,12 @@ struct sock *inet_diag_find_one_icsk(struct net *net, int inet_diag_bc_sk(const struct nlattr *_bc, struct sock *sk); +void inet_diag_msg_common_fill(struct inet_diag_msg *r, struct sock *sk); + +int inet_diag_msg_attrs_fill(struct sock *sk, struct sk_buff *skb, + struct inet_diag_msg *r, int ext, + struct user_namespace *user_ns); + extern int inet_diag_register(const struct inet_diag_handler *handler); extern void inet_diag_unregister(const struct inet_diag_handler *handler); #endif /* _INET_DIAG_H_ */ diff --git a/include/linux/init_task.h b/include/linux/init_task.h index f2cb8d45513d..f8834f820ec2 100644 --- a/include/linux/init_task.h +++ b/include/linux/init_task.h @@ -190,7 +190,7 @@ extern struct task_group root_task_group; #define INIT_TASK(tsk) \ { \ .state = 0, \ - .stack = &init_thread_info, \ + .stack = init_stack, \ .usage = ATOMIC_INIT(2), \ .flags = PF_KTHREAD, \ .prio = MAX_PRIO-20, \ diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h index 9fcabeb07787..b6683f0ffc9f 100644 --- a/include/linux/interrupt.h +++ b/include/linux/interrupt.h @@ -278,6 +278,8 @@ extern int irq_set_affinity_hint(unsigned int irq, const struct cpumask *m); extern int irq_set_affinity_notifier(unsigned int irq, struct irq_affinity_notify *notify); +struct cpumask *irq_create_affinity_mask(unsigned int *nr_vecs); + #else /* CONFIG_SMP */ static inline int irq_set_affinity(unsigned int irq, const struct cpumask *m) @@ -308,6 +310,12 @@ irq_set_affinity_notifier(unsigned int irq, struct irq_affinity_notify *notify) { return 0; } + +static inline struct cpumask *irq_create_affinity_mask(unsigned int *nr_vecs) +{ + *nr_vecs = 1; + return NULL; +} #endif /* CONFIG_SMP */ /* diff --git a/include/linux/irq.h b/include/linux/irq.h index 4d758a7c604a..b52424eaa0ed 100644 --- a/include/linux/irq.h +++ b/include/linux/irq.h @@ -197,6 +197,7 @@ struct irq_data { * IRQD_IRQ_INPROGRESS - In progress state of the interrupt * IRQD_WAKEUP_ARMED - Wakeup mode armed * IRQD_FORWARDED_TO_VCPU - The interrupt is forwarded to a VCPU + * IRQD_AFFINITY_MANAGED - Affinity is auto-managed by the kernel */ enum { IRQD_TRIGGER_MASK = 0xf, @@ -212,6 +213,7 @@ enum { IRQD_IRQ_INPROGRESS = (1 << 18), IRQD_WAKEUP_ARMED = (1 << 19), IRQD_FORWARDED_TO_VCPU = (1 << 20), + IRQD_AFFINITY_MANAGED = (1 << 21), }; #define __irqd_to_state(d) ACCESS_PRIVATE((d)->common, state_use_accessors) @@ -305,6 +307,11 @@ static inline void irqd_clr_forwarded_to_vcpu(struct irq_data *d) __irqd_to_state(d) &= ~IRQD_FORWARDED_TO_VCPU; } +static inline bool irqd_affinity_is_managed(struct irq_data *d) +{ + return __irqd_to_state(d) & IRQD_AFFINITY_MANAGED; +} + #undef __irqd_to_state static inline irq_hw_number_t irqd_to_hwirq(struct irq_data *d) @@ -315,6 +322,7 @@ static inline irq_hw_number_t irqd_to_hwirq(struct irq_data *d) /** * struct irq_chip - hardware interrupt chip descriptor * + * @parent_device: pointer to parent device for irqchip * @name: name for /proc/interrupts * @irq_startup: start up the interrupt (defaults to ->enable if NULL) * @irq_shutdown: shut down the interrupt (defaults to ->disable if NULL) @@ -354,6 +362,7 @@ static inline irq_hw_number_t irqd_to_hwirq(struct irq_data *d) * @flags: chip specific flags */ struct irq_chip { + struct device *parent_device; const char *name; unsigned int (*irq_startup)(struct irq_data *data); void (*irq_shutdown)(struct irq_data *data); @@ -482,12 +491,15 @@ extern void handle_fasteoi_irq(struct irq_desc *desc); extern void handle_edge_irq(struct irq_desc *desc); extern void handle_edge_eoi_irq(struct irq_desc *desc); extern void handle_simple_irq(struct irq_desc *desc); +extern void handle_untracked_irq(struct irq_desc *desc); extern void handle_percpu_irq(struct irq_desc *desc); extern void handle_percpu_devid_irq(struct irq_desc *desc); extern void handle_bad_irq(struct irq_desc *desc); extern void handle_nested_irq(unsigned int irq); extern int irq_chip_compose_msi_msg(struct irq_data *data, struct msi_msg *msg); +extern int irq_chip_pm_get(struct irq_data *data); +extern int irq_chip_pm_put(struct irq_data *data); #ifdef CONFIG_IRQ_DOMAIN_HIERARCHY extern void irq_chip_enable_parent(struct irq_data *data); extern void irq_chip_disable_parent(struct irq_data *data); @@ -701,11 +713,11 @@ static inline struct cpumask *irq_data_get_affinity_mask(struct irq_data *d) unsigned int arch_dynirq_lower_bound(unsigned int from); int __irq_alloc_descs(int irq, unsigned int from, unsigned int cnt, int node, - struct module *owner); + struct module *owner, const struct cpumask *affinity); /* use macros to avoid needing export.h for THIS_MODULE */ #define irq_alloc_descs(irq, from, cnt, node) \ - __irq_alloc_descs(irq, from, cnt, node, THIS_MODULE) + __irq_alloc_descs(irq, from, cnt, node, THIS_MODULE, NULL) #define irq_alloc_desc(node) \ irq_alloc_descs(-1, 0, 1, node) diff --git a/include/linux/irqchip/arm-gic-v3.h b/include/linux/irqchip/arm-gic-v3.h index dc493e0f0ff7..107eed475b94 100644 --- a/include/linux/irqchip/arm-gic-v3.h +++ b/include/linux/irqchip/arm-gic-v3.h @@ -204,6 +204,7 @@ #define GITS_BASER_NR_REGS 8 #define GITS_BASER_VALID (1UL << 63) +#define GITS_BASER_INDIRECT (1UL << 62) #define GITS_BASER_nCnB (0UL << 59) #define GITS_BASER_nC (1UL << 59) #define GITS_BASER_RaWt (2UL << 59) @@ -228,6 +229,7 @@ #define GITS_BASER_PAGE_SIZE_64K (2UL << GITS_BASER_PAGE_SIZE_SHIFT) #define GITS_BASER_PAGE_SIZE_MASK (3UL << GITS_BASER_PAGE_SIZE_SHIFT) #define GITS_BASER_PAGES_MAX 256 +#define GITS_BASER_PAGES_SHIFT (0) #define GITS_BASER_TYPE_NONE 0 #define GITS_BASER_TYPE_DEVICE 1 @@ -238,6 +240,8 @@ #define GITS_BASER_TYPE_RESERVED6 6 #define GITS_BASER_TYPE_RESERVED7 7 +#define GITS_LVL1_ENTRY_SIZE (8UL) + /* * ITS commands */ diff --git a/include/linux/irqchip/arm-gic.h b/include/linux/irqchip/arm-gic.h index fd051855539b..eafc965b3eb8 100644 --- a/include/linux/irqchip/arm-gic.h +++ b/include/linux/irqchip/arm-gic.h @@ -101,9 +101,14 @@ #include <linux/irqdomain.h> struct device_node; +struct gic_chip_data; void gic_cascade_irq(unsigned int gic_nr, unsigned int irq); int gic_cpu_if_down(unsigned int gic_nr); +void gic_cpu_save(struct gic_chip_data *gic); +void gic_cpu_restore(struct gic_chip_data *gic); +void gic_dist_save(struct gic_chip_data *gic); +void gic_dist_restore(struct gic_chip_data *gic); /* * Subdrivers that need some preparatory work can initialize their @@ -112,6 +117,12 @@ int gic_cpu_if_down(unsigned int gic_nr); int gic_of_init(struct device_node *node, struct device_node *parent); /* + * Initialises and registers a non-root or child GIC chip. Memory for + * the gic_chip_data structure is dynamically allocated. + */ +int gic_of_init_child(struct device *dev, struct gic_chip_data **gic, int irq); + +/* * Legacy platforms not converted to DT yet must use this to init * their GIC */ diff --git a/include/linux/irqdomain.h b/include/linux/irqdomain.h index f1f36e04d885..ffb84604c1de 100644 --- a/include/linux/irqdomain.h +++ b/include/linux/irqdomain.h @@ -39,6 +39,7 @@ struct irq_domain; struct of_device_id; struct irq_chip; struct irq_data; +struct cpumask; /* Number of irqs reserved for a legacy isa controller */ #define NUM_ISA_INTERRUPTS 16 @@ -217,7 +218,8 @@ extern struct irq_domain *irq_find_matching_fwspec(struct irq_fwspec *fwspec, enum irq_domain_bus_token bus_token); extern void irq_set_default_host(struct irq_domain *host); extern int irq_domain_alloc_descs(int virq, unsigned int nr_irqs, - irq_hw_number_t hwirq, int node); + irq_hw_number_t hwirq, int node, + const struct cpumask *affinity); static inline struct fwnode_handle *of_node_to_fwnode(struct device_node *node) { @@ -389,7 +391,7 @@ static inline struct irq_domain *irq_domain_add_hierarchy(struct irq_domain *par extern int __irq_domain_alloc_irqs(struct irq_domain *domain, int irq_base, unsigned int nr_irqs, int node, void *arg, - bool realloc); + bool realloc, const struct cpumask *affinity); extern void irq_domain_free_irqs(unsigned int virq, unsigned int nr_irqs); extern void irq_domain_activate_irq(struct irq_data *irq_data); extern void irq_domain_deactivate_irq(struct irq_data *irq_data); @@ -397,7 +399,8 @@ extern void irq_domain_deactivate_irq(struct irq_data *irq_data); static inline int irq_domain_alloc_irqs(struct irq_domain *domain, unsigned int nr_irqs, int node, void *arg) { - return __irq_domain_alloc_irqs(domain, -1, nr_irqs, node, arg, false); + return __irq_domain_alloc_irqs(domain, -1, nr_irqs, node, arg, false, + NULL); } extern int irq_domain_alloc_irqs_recursive(struct irq_domain *domain, @@ -452,6 +455,9 @@ static inline int irq_domain_alloc_irqs(struct irq_domain *domain, return -1; } +static inline void irq_domain_free_irqs(unsigned int virq, + unsigned int nr_irqs) { } + static inline bool irq_domain_is_hierarchy(struct irq_domain *domain) { return false; diff --git a/include/linux/isa.h b/include/linux/isa.h index 5ab85281230b..f2d0258414cf 100644 --- a/include/linux/isa.h +++ b/include/linux/isa.h @@ -6,6 +6,7 @@ #define __LINUX_ISA_H #include <linux/device.h> +#include <linux/errno.h> #include <linux/kernel.h> struct isa_driver { @@ -22,13 +23,13 @@ struct isa_driver { #define to_isa_driver(x) container_of((x), struct isa_driver, driver) -#ifdef CONFIG_ISA +#ifdef CONFIG_ISA_BUS_API int isa_register_driver(struct isa_driver *, unsigned int); void isa_unregister_driver(struct isa_driver *); #else static inline int isa_register_driver(struct isa_driver *d, unsigned int i) { - return 0; + return -ENODEV; } static inline void isa_unregister_driver(struct isa_driver *d) diff --git a/include/linux/jump_label.h b/include/linux/jump_label.h index 0536524bb9eb..68904469fba1 100644 --- a/include/linux/jump_label.h +++ b/include/linux/jump_label.h @@ -117,13 +117,18 @@ struct module; #include <linux/atomic.h> +#ifdef HAVE_JUMP_LABEL + static inline int static_key_count(struct static_key *key) { - return atomic_read(&key->enabled); + /* + * -1 means the first static_key_slow_inc() is in progress. + * static_key_enabled() must return true, so return 1 here. + */ + int n = atomic_read(&key->enabled); + return n >= 0 ? n : 1; } -#ifdef HAVE_JUMP_LABEL - #define JUMP_TYPE_FALSE 0UL #define JUMP_TYPE_TRUE 1UL #define JUMP_TYPE_MASK 1UL @@ -162,6 +167,11 @@ extern void jump_label_apply_nops(struct module *mod); #else /* !HAVE_JUMP_LABEL */ +static inline int static_key_count(struct static_key *key) +{ + return atomic_read(&key->enabled); +} + static __always_inline void jump_label_init(void) { static_key_initialized = true; diff --git a/include/linux/kasan.h b/include/linux/kasan.h index 611927f5870d..ac4b3c46a84d 100644 --- a/include/linux/kasan.h +++ b/include/linux/kasan.h @@ -59,14 +59,13 @@ void kasan_poison_object_data(struct kmem_cache *cache, void *object); void kasan_kmalloc_large(const void *ptr, size_t size, gfp_t flags); void kasan_kfree_large(const void *ptr); -void kasan_kfree(void *ptr); +void kasan_poison_kfree(void *ptr); void kasan_kmalloc(struct kmem_cache *s, const void *object, size_t size, gfp_t flags); void kasan_krealloc(const void *object, size_t new_size, gfp_t flags); void kasan_slab_alloc(struct kmem_cache *s, void *object, gfp_t flags); bool kasan_slab_free(struct kmem_cache *s, void *object); -void kasan_poison_slab_free(struct kmem_cache *s, void *object); struct kasan_cache { int alloc_meta_offset; @@ -76,6 +75,9 @@ struct kasan_cache { int kasan_module_alloc(void *addr, size_t size); void kasan_free_shadow(const struct vm_struct *vm); +size_t ksize(const void *); +static inline void kasan_unpoison_slab(const void *ptr) { ksize(ptr); } + #else /* CONFIG_KASAN */ static inline void kasan_unpoison_shadow(const void *address, size_t size) {} @@ -102,7 +104,7 @@ static inline void kasan_poison_object_data(struct kmem_cache *cache, static inline void kasan_kmalloc_large(void *ptr, size_t size, gfp_t flags) {} static inline void kasan_kfree_large(const void *ptr) {} -static inline void kasan_kfree(void *ptr) {} +static inline void kasan_poison_kfree(void *ptr) {} static inline void kasan_kmalloc(struct kmem_cache *s, const void *object, size_t size, gfp_t flags) {} static inline void kasan_krealloc(const void *object, size_t new_size, @@ -114,11 +116,12 @@ static inline bool kasan_slab_free(struct kmem_cache *s, void *object) { return false; } -static inline void kasan_poison_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_free_shadow(const struct vm_struct *vm) {} +static inline void kasan_unpoison_slab(const void *ptr) { } + #endif /* CONFIG_KASAN */ #endif /* LINUX_KASAN_H */ diff --git a/include/linux/kernel.h b/include/linux/kernel.h index 94aa10ffe156..c42082112ec8 100644 --- a/include/linux/kernel.h +++ b/include/linux/kernel.h @@ -451,6 +451,7 @@ extern int panic_on_oops; extern int panic_on_unrecovered_nmi; extern int panic_on_io_nmi; extern int panic_on_warn; +extern int sysctl_panic_on_rcu_stall; extern int sysctl_panic_on_stackoverflow; extern bool crash_kexec_post_notifiers; diff --git a/include/linux/leds.h b/include/linux/leds.h index d2b13066e781..e5e7f2e80a54 100644 --- a/include/linux/leds.h +++ b/include/linux/leds.h @@ -42,15 +42,16 @@ struct led_classdev { #define LED_UNREGISTERING (1 << 1) /* Upper 16 bits reflect control information */ #define LED_CORE_SUSPENDRESUME (1 << 16) -#define LED_BLINK_ONESHOT (1 << 17) -#define LED_BLINK_ONESHOT_STOP (1 << 18) -#define LED_BLINK_INVERT (1 << 19) -#define LED_BLINK_BRIGHTNESS_CHANGE (1 << 20) -#define LED_BLINK_DISABLE (1 << 21) -#define LED_SYSFS_DISABLE (1 << 22) -#define LED_DEV_CAP_FLASH (1 << 23) -#define LED_HW_PLUGGABLE (1 << 24) -#define LED_PANIC_INDICATOR (1 << 25) +#define LED_BLINK_SW (1 << 17) +#define LED_BLINK_ONESHOT (1 << 18) +#define LED_BLINK_ONESHOT_STOP (1 << 19) +#define LED_BLINK_INVERT (1 << 20) +#define LED_BLINK_BRIGHTNESS_CHANGE (1 << 21) +#define LED_BLINK_DISABLE (1 << 22) +#define LED_SYSFS_DISABLE (1 << 23) +#define LED_DEV_CAP_FLASH (1 << 24) +#define LED_HW_PLUGGABLE (1 << 25) +#define LED_PANIC_INDICATOR (1 << 26) /* Set LED brightness level * Must not sleep. Use brightness_set_blocking for drivers @@ -72,8 +73,8 @@ struct led_classdev { * and if both are zero then a sensible default should be chosen. * The call should adjust the timings in that case and if it can't * match the values specified exactly. - * Deactivate blinking again when the brightness is set to a fixed - * value via the brightness_set() callback. + * Deactivate blinking again when the brightness is set to LED_OFF + * via the brightness_set() callback. */ int (*blink_set)(struct led_classdev *led_cdev, unsigned long *delay_on, diff --git a/include/linux/libata.h b/include/linux/libata.h index d15c19e331d1..e37d4f99f510 100644 --- a/include/linux/libata.h +++ b/include/linux/libata.h @@ -146,13 +146,6 @@ enum { ATA_TFLAG_FUA = (1 << 5), /* enable FUA */ ATA_TFLAG_POLLING = (1 << 6), /* set nIEN to 1 and use polling */ - /* protocol flags */ - ATA_PROT_FLAG_PIO = (1 << 0), /* is PIO */ - ATA_PROT_FLAG_DMA = (1 << 1), /* is DMA */ - ATA_PROT_FLAG_DATA = ATA_PROT_FLAG_PIO | ATA_PROT_FLAG_DMA, - ATA_PROT_FLAG_NCQ = (1 << 2), /* is NCQ */ - ATA_PROT_FLAG_ATAPI = (1 << 3), /* is ATAPI */ - /* struct ata_device stuff */ ATA_DFLAG_LBA = (1 << 0), /* device supports LBA */ ATA_DFLAG_LBA48 = (1 << 1), /* device supports LBA48 */ @@ -1039,58 +1032,29 @@ extern const unsigned long sata_deb_timing_long[]; extern struct ata_port_operations ata_dummy_port_ops; extern const struct ata_port_info ata_dummy_port_info; -/* - * protocol tests - */ -static inline unsigned int ata_prot_flags(u8 prot) -{ - switch (prot) { - case ATA_PROT_NODATA: - return 0; - case ATA_PROT_PIO: - return ATA_PROT_FLAG_PIO; - case ATA_PROT_DMA: - return ATA_PROT_FLAG_DMA; - case ATA_PROT_NCQ: - return ATA_PROT_FLAG_DMA | ATA_PROT_FLAG_NCQ; - case ATAPI_PROT_NODATA: - return ATA_PROT_FLAG_ATAPI; - case ATAPI_PROT_PIO: - return ATA_PROT_FLAG_ATAPI | ATA_PROT_FLAG_PIO; - case ATAPI_PROT_DMA: - return ATA_PROT_FLAG_ATAPI | ATA_PROT_FLAG_DMA; - } - return 0; -} - -static inline int ata_is_atapi(u8 prot) -{ - return ata_prot_flags(prot) & ATA_PROT_FLAG_ATAPI; -} - -static inline int ata_is_nodata(u8 prot) +static inline bool ata_is_atapi(u8 prot) { - return !(ata_prot_flags(prot) & ATA_PROT_FLAG_DATA); + return prot & ATA_PROT_FLAG_ATAPI; } -static inline int ata_is_pio(u8 prot) +static inline bool ata_is_pio(u8 prot) { - return ata_prot_flags(prot) & ATA_PROT_FLAG_PIO; + return prot & ATA_PROT_FLAG_PIO; } -static inline int ata_is_dma(u8 prot) +static inline bool ata_is_dma(u8 prot) { - return ata_prot_flags(prot) & ATA_PROT_FLAG_DMA; + return prot & ATA_PROT_FLAG_DMA; } -static inline int ata_is_ncq(u8 prot) +static inline bool ata_is_ncq(u8 prot) { - return ata_prot_flags(prot) & ATA_PROT_FLAG_NCQ; + return prot & ATA_PROT_FLAG_NCQ; } -static inline int ata_is_data(u8 prot) +static inline bool ata_is_data(u8 prot) { - return ata_prot_flags(prot) & ATA_PROT_FLAG_DATA; + return prot & (ATA_PROT_FLAG_PIO | ATA_PROT_FLAG_DMA); } static inline int is_multi_taskfile(struct ata_taskfile *tf) @@ -1407,7 +1371,7 @@ static inline bool sata_pmp_attached(struct ata_port *ap) return ap->nr_pmp_links != 0; } -static inline int ata_is_host_link(const struct ata_link *link) +static inline bool ata_is_host_link(const struct ata_link *link) { return link == &link->ap->link || link == link->ap->slave_link; } @@ -1422,7 +1386,7 @@ static inline bool sata_pmp_attached(struct ata_port *ap) return false; } -static inline int ata_is_host_link(const struct ata_link *link) +static inline bool ata_is_host_link(const struct ata_link *link) { return 1; } diff --git a/include/linux/list.h b/include/linux/list.h index 5356f4d661a7..5183138aa932 100644 --- a/include/linux/list.h +++ b/include/linux/list.h @@ -679,6 +679,16 @@ static inline bool hlist_fake(struct hlist_node *h) } /* + * Check whether the node is the only node of the head without + * accessing head: + */ +static inline bool +hlist_is_singular_node(struct hlist_node *n, struct hlist_head *h) +{ + return !n->next && n->pprev == &h->first; +} + +/* * Move a list from one list head to another. Fixup the pprev * reference of the first entry if it exists. */ diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h index a805474df4ab..56e6069d2452 100644 --- a/include/linux/memcontrol.h +++ b/include/linux/memcontrol.h @@ -97,6 +97,11 @@ enum mem_cgroup_events_target { #define MEM_CGROUP_ID_SHIFT 16 #define MEM_CGROUP_ID_MAX USHRT_MAX +struct mem_cgroup_id { + int id; + atomic_t ref; +}; + struct mem_cgroup_stat_cpu { long count[MEMCG_NR_STAT]; unsigned long events[MEMCG_NR_EVENTS]; @@ -172,6 +177,9 @@ enum memcg_kmem_state { struct mem_cgroup { struct cgroup_subsys_state css; + /* Private memcg ID. Used to ID objects that outlive the cgroup */ + struct mem_cgroup_id id; + /* Accounted resources */ struct page_counter memory; struct page_counter swap; @@ -330,22 +338,9 @@ static inline unsigned short mem_cgroup_id(struct mem_cgroup *memcg) if (mem_cgroup_disabled()) return 0; - return memcg->css.id; -} - -/** - * mem_cgroup_from_id - look up a memcg from an id - * @id: the id to look up - * - * Caller must hold rcu_read_lock() and use css_tryget() as necessary. - */ -static inline struct mem_cgroup *mem_cgroup_from_id(unsigned short id) -{ - struct cgroup_subsys_state *css; - - css = css_from_id(id, &memory_cgrp_subsys); - return mem_cgroup_from_css(css); + return memcg->id.id; } +struct mem_cgroup *mem_cgroup_from_id(unsigned short id); /** * parent_mem_cgroup - find the accounting parent of a memcg diff --git a/include/linux/mfd/da9052/da9052.h b/include/linux/mfd/da9052/da9052.h index c18a4c19d6fc..ce9230af09c2 100644 --- a/include/linux/mfd/da9052/da9052.h +++ b/include/linux/mfd/da9052/da9052.h @@ -171,7 +171,7 @@ static inline int da9052_group_read(struct da9052 *da9052, unsigned char reg, static inline int da9052_group_write(struct da9052 *da9052, unsigned char reg, unsigned reg_cnt, unsigned char *val) { - int ret; + int ret = 0; int i; for (i = 0; i < reg_cnt; i++) { diff --git a/include/linux/mlx4/device.h b/include/linux/mlx4/device.h index 80dec87a94f8..d46a0e7f144d 100644 --- a/include/linux/mlx4/device.h +++ b/include/linux/mlx4/device.h @@ -466,6 +466,7 @@ enum { enum { MLX4_INTERFACE_STATE_UP = 1 << 0, MLX4_INTERFACE_STATE_DELETION = 1 << 1, + MLX4_INTERFACE_STATE_SHUTDOWN = 1 << 2, }; #define MSTR_SM_CHANGE_MASK (MLX4_EQ_PORT_INFO_MSTR_SM_SL_CHANGE_MASK | \ diff --git a/include/linux/mlx5/device.h b/include/linux/mlx5/device.h index 035abdf62cfe..73a48479892d 100644 --- a/include/linux/mlx5/device.h +++ b/include/linux/mlx5/device.h @@ -1240,8 +1240,6 @@ struct mlx5_destroy_psv_out { u8 rsvd[8]; }; -#define MLX5_CMD_OP_MAX 0x920 - enum { VPORT_STATE_DOWN = 0x0, VPORT_STATE_UP = 0x1, @@ -1369,6 +1367,12 @@ enum mlx5_cap_type { #define MLX5_CAP_FLOWTABLE_MAX(mdev, cap) \ MLX5_GET(flow_table_nic_cap, mdev->hca_caps_max[MLX5_CAP_FLOW_TABLE], cap) +#define MLX5_CAP_FLOWTABLE_NIC_RX(mdev, cap) \ + MLX5_CAP_FLOWTABLE(mdev, flow_table_properties_nic_receive.cap) + +#define MLX5_CAP_FLOWTABLE_NIC_RX_MAX(mdev, cap) \ + MLX5_CAP_FLOWTABLE_MAX(mdev, flow_table_properties_nic_receive.cap) + #define MLX5_CAP_ESW_FLOWTABLE(mdev, cap) \ MLX5_GET(flow_table_eswitch_cap, \ mdev->hca_caps_cur[MLX5_CAP_ESWITCH_FLOW_TABLE], cap) diff --git a/include/linux/mlx5/driver.h b/include/linux/mlx5/driver.h index 80776d0c52dc..fd72ecf0ce9f 100644 --- a/include/linux/mlx5/driver.h +++ b/include/linux/mlx5/driver.h @@ -629,6 +629,7 @@ struct mlx5_cmd_work_ent { void *uout; int uout_size; mlx5_cmd_cbk_t callback; + struct delayed_work cb_timeout_work; void *context; int idx; struct completion done; diff --git a/include/linux/mlx5/mlx5_ifc.h b/include/linux/mlx5/mlx5_ifc.h index 9a05cd7e5890..e955a2859009 100644 --- a/include/linux/mlx5/mlx5_ifc.h +++ b/include/linux/mlx5/mlx5_ifc.h @@ -205,7 +205,8 @@ enum { MLX5_CMD_OP_ALLOC_FLOW_COUNTER = 0x939, MLX5_CMD_OP_DEALLOC_FLOW_COUNTER = 0x93a, MLX5_CMD_OP_QUERY_FLOW_COUNTER = 0x93b, - MLX5_CMD_OP_MODIFY_FLOW_TABLE = 0x93c + MLX5_CMD_OP_MODIFY_FLOW_TABLE = 0x93c, + MLX5_CMD_OP_MAX }; struct mlx5_ifc_flow_table_fields_supported_bits { @@ -500,7 +501,9 @@ struct mlx5_ifc_e_switch_cap_bits { u8 vport_svlan_insert[0x1]; u8 vport_cvlan_insert_if_not_exist[0x1]; u8 vport_cvlan_insert_overwrite[0x1]; - u8 reserved_at_5[0x1b]; + u8 reserved_at_5[0x19]; + u8 nic_vport_node_guid_modify[0x1]; + u8 nic_vport_port_guid_modify[0x1]; u8 reserved_at_20[0x7e0]; }; @@ -4583,7 +4586,10 @@ struct mlx5_ifc_modify_nic_vport_context_out_bits { }; struct mlx5_ifc_modify_nic_vport_field_select_bits { - u8 reserved_at_0[0x19]; + u8 reserved_at_0[0x16]; + u8 node_guid[0x1]; + u8 port_guid[0x1]; + u8 reserved_at_18[0x1]; u8 mtu[0x1]; u8 change_event[0x1]; u8 promisc[0x1]; diff --git a/include/linux/mlx5/qp.h b/include/linux/mlx5/qp.h index 64221027bf1f..ab310819ac36 100644 --- a/include/linux/mlx5/qp.h +++ b/include/linux/mlx5/qp.h @@ -172,6 +172,7 @@ enum { enum { MLX5_FENCE_MODE_NONE = 0 << 5, MLX5_FENCE_MODE_INITIATOR_SMALL = 1 << 5, + MLX5_FENCE_MODE_FENCE = 2 << 5, MLX5_FENCE_MODE_STRONG_ORDERING = 3 << 5, MLX5_FENCE_MODE_SMALL_AND_FENCE = 4 << 5, }; @@ -460,10 +461,9 @@ struct mlx5_core_qp { }; struct mlx5_qp_path { - u8 fl; + u8 fl_free_ar; u8 rsvd3; - u8 free_ar; - u8 pkey_index; + __be16 pkey_index; u8 rsvd0; u8 grh_mlid; __be16 rlid; @@ -560,6 +560,7 @@ struct mlx5_modify_qp_mbox_in { __be32 optparam; u8 rsvd0[4]; struct mlx5_qp_context ctx; + u8 rsvd2[16]; }; struct mlx5_modify_qp_mbox_out { diff --git a/include/linux/mlx5/vport.h b/include/linux/mlx5/vport.h index 301da4a5e6bf..6c16c198f680 100644 --- a/include/linux/mlx5/vport.h +++ b/include/linux/mlx5/vport.h @@ -50,6 +50,8 @@ int mlx5_modify_nic_vport_mtu(struct mlx5_core_dev *mdev, u16 mtu); int mlx5_query_nic_vport_system_image_guid(struct mlx5_core_dev *mdev, u64 *system_image_guid); int mlx5_query_nic_vport_node_guid(struct mlx5_core_dev *mdev, u64 *node_guid); +int mlx5_modify_nic_vport_node_guid(struct mlx5_core_dev *mdev, + u32 vport, u64 node_guid); int mlx5_query_nic_vport_qkey_viol_cntr(struct mlx5_core_dev *mdev, u16 *qkey_viol_cntr); int mlx5_query_hca_vport_gid(struct mlx5_core_dev *dev, u8 other_vport, diff --git a/include/linux/mm.h b/include/linux/mm.h index 5df5feb49575..ece042dfe23c 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -602,7 +602,7 @@ static inline pte_t maybe_mkwrite(pte_t pte, struct vm_area_struct *vma) } void do_set_pte(struct vm_area_struct *vma, unsigned long address, - struct page *page, pte_t *pte, bool write, bool anon, bool old); + struct page *page, pte_t *pte, bool write, bool anon); #endif /* diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h index ca3e517980a0..917f2b6a0cde 100644 --- a/include/linux/mm_types.h +++ b/include/linux/mm_types.h @@ -594,6 +594,9 @@ struct vm_special_mapping { int (*fault)(const struct vm_special_mapping *sm, struct vm_area_struct *vma, struct vm_fault *vmf); + + int (*mremap)(const struct vm_special_mapping *sm, + struct vm_area_struct *new_vma); }; enum tlb_flush_reason { diff --git a/include/linux/mod_devicetable.h b/include/linux/mod_devicetable.h index 6e4c645e1c0d..ed84c07f6a51 100644 --- a/include/linux/mod_devicetable.h +++ b/include/linux/mod_devicetable.h @@ -657,4 +657,20 @@ struct ulpi_device_id { kernel_ulong_t driver_data; }; +/** + * struct fsl_mc_device_id - MC object device identifier + * @vendor: vendor ID + * @obj_type: MC object type + * @ver_major: MC object version major number + * @ver_minor: MC object version minor number + * + * Type of entries in the "device Id" table for MC object devices supported by + * a MC object device driver. The last entry of the table has vendor set to 0x0 + */ +struct fsl_mc_device_id { + __u16 vendor; + const char obj_type[16]; +}; + + #endif /* LINUX_MOD_DEVICETABLE_H */ diff --git a/include/linux/mpi.h b/include/linux/mpi.h index 3a5abe95affd..1cc5ffb769af 100644 --- a/include/linux/mpi.h +++ b/include/linux/mpi.h @@ -80,8 +80,7 @@ void *mpi_get_buffer(MPI a, unsigned *nbytes, int *sign); int mpi_read_buffer(MPI a, uint8_t *buf, unsigned buf_len, unsigned *nbytes, int *sign); void *mpi_get_secure_buffer(MPI a, unsigned *nbytes, int *sign); -int mpi_set_buffer(MPI a, const void *buffer, unsigned nbytes, int sign); -int mpi_write_to_sgl(MPI a, struct scatterlist *sg, unsigned *nbytes, +int mpi_write_to_sgl(MPI a, struct scatterlist *sg, unsigned nbytes, int *sign); #define log_mpidump g10_log_mpidump diff --git a/include/linux/msi.h b/include/linux/msi.h index 8b425c66305a..4f0bfe5912b2 100644 --- a/include/linux/msi.h +++ b/include/linux/msi.h @@ -47,6 +47,7 @@ struct fsl_mc_msi_desc { * @nvec_used: The number of vectors used * @dev: Pointer to the device which uses this descriptor * @msg: The last set MSI message cached for reuse + * @affinity: Optional pointer to a cpu affinity mask for this descriptor * * @masked: [PCI MSI/X] Mask bits * @is_msix: [PCI MSI/X] True if MSI-X @@ -67,6 +68,7 @@ struct msi_desc { unsigned int nvec_used; struct device *dev; struct msi_msg msg; + const struct cpumask *affinity; union { /* PCI MSI/X specific data */ @@ -264,12 +266,10 @@ enum { * callbacks. */ MSI_FLAG_USE_DEF_CHIP_OPS = (1 << 1), - /* Build identity map between hwirq and irq */ - MSI_FLAG_IDENTITY_MAP = (1 << 2), /* Support multiple PCI MSI interrupts */ - MSI_FLAG_MULTI_PCI_MSI = (1 << 3), + MSI_FLAG_MULTI_PCI_MSI = (1 << 2), /* Support PCI MSIX interrupts */ - MSI_FLAG_PCI_MSIX = (1 << 4), + MSI_FLAG_PCI_MSIX = (1 << 3), }; int msi_domain_set_affinity(struct irq_data *data, const struct cpumask *mask, diff --git a/include/linux/net.h b/include/linux/net.h index 9aa49a05fe38..25aa03b51c4e 100644 --- a/include/linux/net.h +++ b/include/linux/net.h @@ -251,7 +251,8 @@ do { \ DEFINE_DYNAMIC_DEBUG_METADATA(descriptor, fmt); \ if (unlikely(descriptor.flags & _DPRINTK_FLAGS_PRINT) && \ net_ratelimit()) \ - __dynamic_pr_debug(&descriptor, fmt, ##__VA_ARGS__); \ + __dynamic_pr_debug(&descriptor, pr_fmt(fmt), \ + ##__VA_ARGS__); \ } while (0) #elif defined(DEBUG) #define net_dbg_ratelimited(fmt, ...) \ diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index f45929ce8157..da4b33bea982 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -4145,6 +4145,13 @@ static inline void netif_keep_dst(struct net_device *dev) dev->priv_flags &= ~(IFF_XMIT_DST_RELEASE | IFF_XMIT_DST_RELEASE_PERM); } +/* return true if dev can't cope with mtu frames that need vlan tag insertion */ +static inline bool netif_reduces_vlan_mtu(struct net_device *dev) +{ + /* TODO: reserve and use an additional IFF bit, if we get more users */ + return dev->priv_flags & IFF_MACSEC; +} + extern struct pernet_operations __net_initdata loopback_net_ops; /* Logging, debugging and troubleshooting/diagnostic helpers. */ diff --git a/include/linux/nvmem-consumer.h b/include/linux/nvmem-consumer.h index 9bb77d3ed6e0..c2256d746543 100644 --- a/include/linux/nvmem-consumer.h +++ b/include/linux/nvmem-consumer.h @@ -74,7 +74,7 @@ static inline void nvmem_cell_put(struct nvmem_cell *cell) { } -static inline char *nvmem_cell_read(struct nvmem_cell *cell, size_t *len) +static inline void *nvmem_cell_read(struct nvmem_cell *cell, size_t *len) { return ERR_PTR(-ENOSYS); } diff --git a/include/linux/of.h b/include/linux/of.h index c7292e8ea080..15c43f076b23 100644 --- a/include/linux/of.h +++ b/include/linux/of.h @@ -614,7 +614,7 @@ static inline struct device_node *of_parse_phandle(const struct device_node *np, return NULL; } -static inline int of_parse_phandle_with_args(struct device_node *np, +static inline int of_parse_phandle_with_args(const struct device_node *np, const char *list_name, const char *cells_name, int index, @@ -1009,10 +1009,13 @@ static inline int of_get_available_child_count(const struct device_node *np) #endif typedef int (*of_init_fn_2)(struct device_node *, struct device_node *); +typedef int (*of_init_fn_1_ret)(struct device_node *); typedef void (*of_init_fn_1)(struct device_node *); #define OF_DECLARE_1(table, name, compat, fn) \ _OF_DECLARE(table, name, compat, fn, of_init_fn_1) +#define OF_DECLARE_1_RET(table, name, compat, fn) \ + _OF_DECLARE(table, name, compat, fn, of_init_fn_1_ret) #define OF_DECLARE_2(table, name, compat, fn) \ _OF_DECLARE(table, name, compat, fn, of_init_fn_2) diff --git a/include/linux/of_pci.h b/include/linux/of_pci.h index f6e9e85164e8..b969e9443962 100644 --- a/include/linux/of_pci.h +++ b/include/linux/of_pci.h @@ -8,7 +8,7 @@ struct pci_dev; struct of_phandle_args; struct device_node; -#ifdef CONFIG_OF +#ifdef CONFIG_OF_PCI int of_irq_parse_pci(const struct pci_dev *pdev, struct of_phandle_args *out_irq); struct device_node *of_pci_find_child_device(struct device_node *parent, unsigned int devfn); diff --git a/include/linux/of_reserved_mem.h b/include/linux/of_reserved_mem.h index ad2f67054372..c201060e0c6d 100644 --- a/include/linux/of_reserved_mem.h +++ b/include/linux/of_reserved_mem.h @@ -31,6 +31,13 @@ typedef int (*reservedmem_of_init_fn)(struct reserved_mem *rmem); int of_reserved_mem_device_init(struct device *dev); void of_reserved_mem_device_release(struct device *dev); +int early_init_dt_alloc_reserved_memory_arch(phys_addr_t size, + phys_addr_t align, + phys_addr_t start, + phys_addr_t end, + bool nomap, + phys_addr_t *res_base); + void fdt_init_reserved_mem(void); void fdt_reserved_mem_save_node(unsigned long node, const char *uname, phys_addr_t base, phys_addr_t size); diff --git a/include/linux/percpu-refcount.h b/include/linux/percpu-refcount.h index 84f542df7ff5..1c7eec09e5eb 100644 --- a/include/linux/percpu-refcount.h +++ b/include/linux/percpu-refcount.h @@ -136,14 +136,12 @@ static inline bool __ref_is_percpu(struct percpu_ref *ref, * used as a pointer. If the compiler generates a separate fetch * when using it as a pointer, __PERCPU_REF_ATOMIC may be set in * between contaminating the pointer value, meaning that - * ACCESS_ONCE() is required when fetching it. - * - * Also, we need a data dependency barrier to be paired with - * smp_store_release() in __percpu_ref_switch_to_percpu(). - * - * Use lockless deref which contains both. + * READ_ONCE() is required when fetching it. */ - percpu_ptr = lockless_dereference(ref->percpu_count_ptr); + percpu_ptr = READ_ONCE(ref->percpu_count_ptr); + + /* paired with smp_store_release() in __percpu_ref_switch_to_percpu() */ + smp_read_barrier_depends(); /* * Theoretically, the following could test just ATOMIC; however, diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h index 1a827cecd62f..7921f4f20a58 100644 --- a/include/linux/perf_event.h +++ b/include/linux/perf_event.h @@ -517,6 +517,11 @@ struct swevent_hlist { struct perf_cgroup; struct ring_buffer; +struct pmu_event_list { + raw_spinlock_t lock; + struct list_head list; +}; + /** * struct perf_event - performance event kernel representation: */ @@ -675,6 +680,7 @@ struct perf_event { int cgrp_defer_enabled; #endif + struct list_head sb_list; #endif /* CONFIG_PERF_EVENTS */ }; @@ -1074,7 +1080,7 @@ extern void perf_callchain_kernel(struct perf_callchain_entry_ctx *entry, struct extern struct perf_callchain_entry * get_perf_callchain(struct pt_regs *regs, u32 init_nr, bool kernel, bool user, u32 max_stack, bool crosstask, bool add_mark); -extern int get_callchain_buffers(void); +extern int get_callchain_buffers(int max_stack); extern void put_callchain_buffers(void); extern int sysctl_perf_event_max_stack; @@ -1326,6 +1332,13 @@ struct perf_pmu_events_attr { const char *event_str; }; +struct perf_pmu_events_ht_attr { + struct device_attribute attr; + u64 id; + const char *event_str_ht; + const char *event_str_noht; +}; + ssize_t perf_event_sysfs_show(struct device *dev, struct device_attribute *attr, char *page); diff --git a/include/linux/phy/phy.h b/include/linux/phy/phy.h index a810f2a18842..f08b67238b58 100644 --- a/include/linux/phy/phy.h +++ b/include/linux/phy/phy.h @@ -22,12 +22,20 @@ struct phy; +enum phy_mode { + PHY_MODE_INVALID, + PHY_MODE_USB_HOST, + PHY_MODE_USB_DEVICE, + PHY_MODE_USB_OTG, +}; + /** * struct phy_ops - set of function pointers for performing phy operations * @init: operation to be performed for initializing phy * @exit: operation to be performed while exiting * @power_on: powering on the phy * @power_off: powering off the phy + * @set_mode: set the mode of the phy * @owner: the module owner containing the ops */ struct phy_ops { @@ -35,6 +43,7 @@ struct phy_ops { int (*exit)(struct phy *phy); int (*power_on)(struct phy *phy); int (*power_off)(struct phy *phy); + int (*set_mode)(struct phy *phy, enum phy_mode mode); struct module *owner; }; @@ -126,6 +135,7 @@ int phy_init(struct phy *phy); int phy_exit(struct phy *phy); int phy_power_on(struct phy *phy); int phy_power_off(struct phy *phy); +int phy_set_mode(struct phy *phy, enum phy_mode mode); static inline int phy_get_bus_width(struct phy *phy) { return phy->attrs.bus_width; @@ -233,6 +243,13 @@ static inline int phy_power_off(struct phy *phy) return -ENOSYS; } +static inline int phy_set_mode(struct phy *phy, enum phy_mode mode) +{ + if (!phy) + return 0; + return -ENOSYS; +} + static inline int phy_get_bus_width(struct phy *phy) { return -ENOSYS; diff --git a/include/linux/platform_data/sht3x.h b/include/linux/platform_data/sht3x.h new file mode 100644 index 000000000000..2e5eea358194 --- /dev/null +++ b/include/linux/platform_data/sht3x.h @@ -0,0 +1,25 @@ +/* + * Copyright (C) 2016 Sensirion AG, Switzerland + * Author: David Frey <david.frey@sensirion.com> + * Author: Pascal Sachs <pascal.sachs@sensirion.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + */ + +#ifndef __SHT3X_H_ +#define __SHT3X_H_ + +struct sht3x_platform_data { + bool blocking_io; + bool high_precision; +}; +#endif /* __SHT3X_H_ */ diff --git a/include/linux/posix_acl.h b/include/linux/posix_acl.h index 5b5a80cc5926..c818772d9f9d 100644 --- a/include/linux/posix_acl.h +++ b/include/linux/posix_acl.h @@ -43,10 +43,8 @@ struct posix_acl_entry { }; struct posix_acl { - union { - atomic_t a_refcount; - struct rcu_head a_rcu; - }; + atomic_t a_refcount; + struct rcu_head a_rcu; unsigned int a_count; struct posix_acl_entry a_entries[0]; }; diff --git a/include/linux/printk.h b/include/linux/printk.h index f4da695fd615..f136b22c7772 100644 --- a/include/linux/printk.h +++ b/include/linux/printk.h @@ -108,11 +108,14 @@ struct va_format { * Dummy printk for disabled debugging statements to use whilst maintaining * gcc's format checking. */ -#define no_printk(fmt, ...) \ -do { \ - if (0) \ - printk(fmt, ##__VA_ARGS__); \ -} while (0) +#define no_printk(fmt, ...) \ +({ \ + do { \ + if (0) \ + printk(fmt, ##__VA_ARGS__); \ + } while (0); \ + 0; \ +}) #ifdef CONFIG_EARLY_PRINTK extern asmlinkage __printf(1, 2) @@ -309,20 +312,24 @@ extern asmlinkage void dump_stack(void) __cold; #define printk_once(fmt, ...) \ ({ \ static bool __print_once __read_mostly; \ + bool __ret_print_once = !__print_once; \ \ if (!__print_once) { \ __print_once = true; \ printk(fmt, ##__VA_ARGS__); \ } \ + unlikely(__ret_print_once); \ }) #define printk_deferred_once(fmt, ...) \ ({ \ static bool __print_once __read_mostly; \ + bool __ret_print_once = !__print_once; \ \ if (!__print_once) { \ __print_once = true; \ printk_deferred(fmt, ##__VA_ARGS__); \ } \ + unlikely(__ret_print_once); \ }) #else #define printk_once(fmt, ...) \ diff --git a/include/linux/pwm.h b/include/linux/pwm.h index 17018f3c066e..c038ae36b10e 100644 --- a/include/linux/pwm.h +++ b/include/linux/pwm.h @@ -235,6 +235,9 @@ static inline int pwm_config(struct pwm_device *pwm, int duty_ns, if (!pwm) return -EINVAL; + if (duty_ns < 0 || period_ns < 0) + return -EINVAL; + pwm_get_state(pwm, &state); if (state.duty_cycle == duty_ns && state.period == period_ns) return 0; @@ -461,6 +464,8 @@ static inline bool pwm_can_sleep(struct pwm_device *pwm) static inline void pwm_apply_args(struct pwm_device *pwm) { + struct pwm_state state = { }; + /* * PWM users calling pwm_apply_args() expect to have a fresh config * where the polarity and period are set according to pwm_args info. @@ -473,18 +478,20 @@ static inline void pwm_apply_args(struct pwm_device *pwm) * at startup (even if they are actually enabled), thus authorizing * polarity setting. * - * Instead of setting ->enabled to false, we call pwm_disable() - * before pwm_set_polarity() to ensure that everything is configured - * as expected, and the PWM is really disabled when the user request - * it. + * To fulfill this requirement, we apply a new state which disables + * the PWM device and set the reference period and polarity config. * * Note that PWM users requiring a smooth handover between the * bootloader and the kernel (like critical regulators controlled by * PWM devices) will have to switch to the atomic API and avoid calling * pwm_apply_args(). */ - pwm_disable(pwm); - pwm_set_polarity(pwm, pwm->args.polarity); + + state.enabled = false; + state.polarity = pwm->args.polarity; + state.period = pwm->args.period; + + pwm_apply_state(pwm, &state); } struct pwm_lookup { diff --git a/include/linux/qed/qed_eth_if.h b/include/linux/qed/qed_eth_if.h index 6ae8cb4a61d3..6c876a63558d 100644 --- a/include/linux/qed/qed_eth_if.h +++ b/include/linux/qed/qed_eth_if.h @@ -49,6 +49,7 @@ struct qed_start_vport_params { bool drop_ttl0; u8 vport_id; u16 mtu; + bool clear_stats; }; struct qed_stop_rxq_params { diff --git a/include/linux/radix-tree.h b/include/linux/radix-tree.h index cb4b7e8cee81..eca6f626c16e 100644 --- a/include/linux/radix-tree.h +++ b/include/linux/radix-tree.h @@ -407,6 +407,7 @@ static inline __must_check void **radix_tree_iter_retry(struct radix_tree_iter *iter) { iter->next_index = iter->index; + iter->tags = 0; return NULL; } diff --git a/include/linux/random.h b/include/linux/random.h index e47e533742b5..3d6e9815cd85 100644 --- a/include/linux/random.h +++ b/include/linux/random.h @@ -95,27 +95,27 @@ static inline void prandom_seed_state(struct rnd_state *state, u64 seed) #ifdef CONFIG_ARCH_RANDOM # include <asm/archrandom.h> #else -static inline int arch_get_random_long(unsigned long *v) +static inline bool arch_get_random_long(unsigned long *v) { return 0; } -static inline int arch_get_random_int(unsigned int *v) +static inline bool arch_get_random_int(unsigned int *v) { return 0; } -static inline int arch_has_random(void) +static inline bool arch_has_random(void) { return 0; } -static inline int arch_get_random_seed_long(unsigned long *v) +static inline bool arch_get_random_seed_long(unsigned long *v) { return 0; } -static inline int arch_get_random_seed_int(unsigned int *v) +static inline bool arch_get_random_seed_int(unsigned int *v) { return 0; } -static inline int arch_has_random_seed(void) +static inline bool arch_has_random_seed(void) { return 0; } diff --git a/include/linux/rcupdate.h b/include/linux/rcupdate.h index 5f1533e3d032..3bc5de08c0b7 100644 --- a/include/linux/rcupdate.h +++ b/include/linux/rcupdate.h @@ -45,6 +45,7 @@ #include <linux/bug.h> #include <linux/compiler.h> #include <linux/ktime.h> +#include <linux/irqflags.h> #include <asm/barrier.h> @@ -379,12 +380,13 @@ static inline void rcu_init_nohz(void) * in the inner idle loop. * * This macro provides the way out: RCU_NONIDLE(do_something_with_RCU()) - * will tell RCU that it needs to pay attending, invoke its argument - * (in this example, a call to the do_something_with_RCU() function), + * will tell RCU that it needs to pay attention, invoke its argument + * (in this example, calling the do_something_with_RCU() function), * and then tell RCU to go back to ignoring this CPU. It is permissible - * to nest RCU_NONIDLE() wrappers, but the nesting level is currently - * quite limited. If deeper nesting is required, it will be necessary - * to adjust DYNTICK_TASK_NESTING_VALUE accordingly. + * to nest RCU_NONIDLE() wrappers, but not indefinitely (but the limit is + * on the order of a million or so, even on 32-bit systems). It is + * not legal to block within RCU_NONIDLE(), nor is it permissible to + * transfer control either into or out of RCU_NONIDLE()'s statement. */ #define RCU_NONIDLE(a) \ do { \ @@ -649,7 +651,16 @@ static inline void rcu_preempt_sleep_check(void) * please be careful when making changes to rcu_assign_pointer() and the * other macros that it invokes. */ -#define rcu_assign_pointer(p, v) smp_store_release(&p, RCU_INITIALIZER(v)) +#define rcu_assign_pointer(p, v) \ +({ \ + uintptr_t _r_a_p__v = (uintptr_t)(v); \ + \ + if (__builtin_constant_p(v) && (_r_a_p__v) == (uintptr_t)NULL) \ + WRITE_ONCE((p), (typeof(p))(_r_a_p__v)); \ + else \ + smp_store_release(&p, RCU_INITIALIZER((typeof(p))_r_a_p__v)); \ + _r_a_p__v; \ +}) /** * rcu_access_pointer() - fetch RCU pointer with no dereferencing diff --git a/include/linux/reset.h b/include/linux/reset.h index ec0306ce7b92..45a4abeb6acb 100644 --- a/include/linux/reset.h +++ b/include/linux/reset.h @@ -84,8 +84,8 @@ static inline struct reset_control *__devm_reset_control_get( #endif /* CONFIG_RESET_CONTROLLER */ /** - * reset_control_get - Lookup and obtain an exclusive reference to a - * reset controller. + * reset_control_get_exclusive - Lookup and obtain an exclusive reference + * to a reset controller. * @dev: device to be reset by the controller * @id: reset line name * @@ -98,8 +98,8 @@ static inline struct reset_control *__devm_reset_control_get( * * Use of id names is optional. */ -static inline struct reset_control *__must_check reset_control_get( - struct device *dev, const char *id) +static inline struct reset_control * +__must_check reset_control_get_exclusive(struct device *dev, const char *id) { #ifndef CONFIG_RESET_CONTROLLER WARN_ON(1); @@ -107,12 +107,6 @@ static inline struct reset_control *__must_check reset_control_get( return __of_reset_control_get(dev ? dev->of_node : NULL, id, 0, 0); } -static inline struct reset_control *reset_control_get_optional( - struct device *dev, const char *id) -{ - return __of_reset_control_get(dev ? dev->of_node : NULL, id, 0, 0); -} - /** * reset_control_get_shared - Lookup and obtain a shared reference to a * reset controller. @@ -141,9 +135,21 @@ static inline struct reset_control *reset_control_get_shared( return __of_reset_control_get(dev ? dev->of_node : NULL, id, 0, 1); } +static inline struct reset_control *reset_control_get_optional_exclusive( + struct device *dev, const char *id) +{ + return __of_reset_control_get(dev ? dev->of_node : NULL, id, 0, 0); +} + +static inline struct reset_control *reset_control_get_optional_shared( + struct device *dev, const char *id) +{ + return __of_reset_control_get(dev ? dev->of_node : NULL, id, 0, 1); +} + /** - * of_reset_control_get - Lookup and obtain an exclusive reference to a - * reset controller. + * of_reset_control_get_exclusive - Lookup and obtain an exclusive reference + * to a reset controller. * @node: device to be reset by the controller * @id: reset line name * @@ -151,15 +157,41 @@ static inline struct reset_control *reset_control_get_shared( * * Use of id names is optional. */ -static inline struct reset_control *of_reset_control_get( +static inline struct reset_control *of_reset_control_get_exclusive( struct device_node *node, const char *id) { return __of_reset_control_get(node, id, 0, 0); } /** - * of_reset_control_get_by_index - Lookup and obtain an exclusive reference to - * a reset controller by index. + * of_reset_control_get_shared - Lookup and obtain an shared reference + * to a reset controller. + * @node: device to be reset by the controller + * @id: reset line name + * + * When a reset-control is shared, the behavior of reset_control_assert / + * deassert is changed, the reset-core will keep track of a deassert_count + * and only (re-)assert the reset after reset_control_assert has been called + * as many times as reset_control_deassert was called. Also see the remark + * about shared reset-controls in the reset_control_assert docs. + * + * Calling reset_control_assert without first calling reset_control_deassert + * is not allowed on a shared reset control. Calling reset_control_reset is + * also not allowed on a shared reset control. + * Returns a struct reset_control or IS_ERR() condition containing errno. + * + * Use of id names is optional. + */ +static inline struct reset_control *of_reset_control_get_shared( + struct device_node *node, const char *id) +{ + return __of_reset_control_get(node, id, 0, 1); +} + +/** + * of_reset_control_get_exclusive_by_index - Lookup and obtain an exclusive + * reference to a reset controller + * by index. * @node: device to be reset by the controller * @index: index of the reset controller * @@ -167,49 +199,60 @@ static inline struct reset_control *of_reset_control_get( * in whatever order. Returns a struct reset_control or IS_ERR() condition * containing errno. */ -static inline struct reset_control *of_reset_control_get_by_index( +static inline struct reset_control *of_reset_control_get_exclusive_by_index( struct device_node *node, int index) { return __of_reset_control_get(node, NULL, index, 0); } /** - * devm_reset_control_get - resource managed reset_control_get() - * @dev: device to be reset by the controller - * @id: reset line name + * of_reset_control_get_shared_by_index - Lookup and obtain an shared + * reference to a reset controller + * by index. + * @node: device to be reset by the controller + * @index: index of the reset controller + * + * When a reset-control is shared, the behavior of reset_control_assert / + * deassert is changed, the reset-core will keep track of a deassert_count + * and only (re-)assert the reset after reset_control_assert has been called + * as many times as reset_control_deassert was called. Also see the remark + * about shared reset-controls in the reset_control_assert docs. + * + * Calling reset_control_assert without first calling reset_control_deassert + * is not allowed on a shared reset control. Calling reset_control_reset is + * also not allowed on a shared reset control. + * Returns a struct reset_control or IS_ERR() condition containing errno. * - * Managed reset_control_get(). For reset controllers returned from this - * function, reset_control_put() is called automatically on driver detach. - * See reset_control_get() for more information. + * This is to be used to perform a list of resets for a device or power domain + * in whatever order. Returns a struct reset_control or IS_ERR() condition + * containing errno. */ -static inline struct reset_control *__must_check devm_reset_control_get( - struct device *dev, const char *id) -{ -#ifndef CONFIG_RESET_CONTROLLER - WARN_ON(1); -#endif - return __devm_reset_control_get(dev, id, 0, 0); -} - -static inline struct reset_control *devm_reset_control_get_optional( - struct device *dev, const char *id) +static inline struct reset_control *of_reset_control_get_shared_by_index( + struct device_node *node, int index) { - return __devm_reset_control_get(dev, id, 0, 0); + return __of_reset_control_get(node, NULL, index, 1); } /** - * devm_reset_control_get_by_index - resource managed reset_control_get + * devm_reset_control_get_exclusive - resource managed + * reset_control_get_exclusive() * @dev: device to be reset by the controller - * @index: index of the reset controller + * @id: reset line name * - * Managed reset_control_get(). For reset controllers returned from this - * function, reset_control_put() is called automatically on driver detach. - * See reset_control_get() for more information. + * Managed reset_control_get_exclusive(). For reset controllers returned + * from this function, reset_control_put() is called automatically on driver + * detach. + * + * See reset_control_get_exclusive() for more information. */ -static inline struct reset_control *devm_reset_control_get_by_index( - struct device *dev, int index) +static inline struct reset_control * +__must_check devm_reset_control_get_exclusive(struct device *dev, + const char *id) { - return __devm_reset_control_get(dev, NULL, index, 0); +#ifndef CONFIG_RESET_CONTROLLER + WARN_ON(1); +#endif + return __devm_reset_control_get(dev, id, 0, 0); } /** @@ -227,6 +270,36 @@ static inline struct reset_control *devm_reset_control_get_shared( return __devm_reset_control_get(dev, id, 0, 1); } +static inline struct reset_control *devm_reset_control_get_optional_exclusive( + struct device *dev, const char *id) +{ + return __devm_reset_control_get(dev, id, 0, 0); +} + +static inline struct reset_control *devm_reset_control_get_optional_shared( + struct device *dev, const char *id) +{ + return __devm_reset_control_get(dev, id, 0, 1); +} + +/** + * devm_reset_control_get_exclusive_by_index - resource managed + * reset_control_get_exclusive() + * @dev: device to be reset by the controller + * @index: index of the reset controller + * + * Managed reset_control_get_exclusive(). For reset controllers returned from + * this function, reset_control_put() is called automatically on driver + * detach. + * + * See reset_control_get_exclusive() for more information. + */ +static inline struct reset_control * +devm_reset_control_get_exclusive_by_index(struct device *dev, int index) +{ + return __devm_reset_control_get(dev, NULL, index, 0); +} + /** * devm_reset_control_get_shared_by_index - resource managed * reset_control_get_shared @@ -237,10 +310,60 @@ static inline struct reset_control *devm_reset_control_get_shared( * this function, reset_control_put() is called automatically on driver detach. * See reset_control_get_shared() for more information. */ -static inline struct reset_control *devm_reset_control_get_shared_by_index( - struct device *dev, int index) +static inline struct reset_control * +devm_reset_control_get_shared_by_index(struct device *dev, int index) { return __devm_reset_control_get(dev, NULL, index, 1); } +/* + * TEMPORARY calls to use during transition: + * + * of_reset_control_get() => of_reset_control_get_exclusive() + * + * These inline function calls will be removed once all consumers + * have been moved over to the new explicit API. + */ +static inline struct reset_control *reset_control_get( + struct device *dev, const char *id) +{ + return reset_control_get_exclusive(dev, id); +} + +static inline struct reset_control *reset_control_get_optional( + struct device *dev, const char *id) +{ + return reset_control_get_optional_exclusive(dev, id); +} + +static inline struct reset_control *of_reset_control_get( + struct device_node *node, const char *id) +{ + return of_reset_control_get_exclusive(node, id); +} + +static inline struct reset_control *of_reset_control_get_by_index( + struct device_node *node, int index) +{ + return of_reset_control_get_exclusive_by_index(node, index); +} + +static inline struct reset_control *devm_reset_control_get( + struct device *dev, const char *id) +{ + return devm_reset_control_get_exclusive(dev, id); +} + +static inline struct reset_control *devm_reset_control_get_optional( + struct device *dev, const char *id) +{ + return devm_reset_control_get_optional_exclusive(dev, id); + +} + +static inline struct reset_control *devm_reset_control_get_by_index( + struct device *dev, int index) +{ + return devm_reset_control_get_exclusive_by_index(dev, index); +} #endif diff --git a/include/linux/rmap.h b/include/linux/rmap.h index 49eb4f8ebac9..2b0fad83683f 100644 --- a/include/linux/rmap.h +++ b/include/linux/rmap.h @@ -158,7 +158,7 @@ struct anon_vma *page_get_anon_vma(struct page *page); /* * rmap interfaces called when adding or removing pte of page */ -void page_move_anon_rmap(struct page *, struct vm_area_struct *, unsigned long); +void page_move_anon_rmap(struct page *, struct vm_area_struct *); void page_add_anon_rmap(struct page *, struct vm_area_struct *, unsigned long, bool); void do_page_add_anon_rmap(struct page *, struct vm_area_struct *, diff --git a/include/linux/rwsem.h b/include/linux/rwsem.h index d37fbb34d06f..dd1d14250340 100644 --- a/include/linux/rwsem.h +++ b/include/linux/rwsem.h @@ -23,10 +23,11 @@ struct rw_semaphore; #ifdef CONFIG_RWSEM_GENERIC_SPINLOCK #include <linux/rwsem-spinlock.h> /* use a generic implementation */ +#define __RWSEM_INIT_COUNT(name) .count = RWSEM_UNLOCKED_VALUE #else /* All arch specific implementations share the same struct */ struct rw_semaphore { - long count; + atomic_long_t count; struct list_head wait_list; raw_spinlock_t wait_lock; #ifdef CONFIG_RWSEM_SPIN_ON_OWNER @@ -54,9 +55,10 @@ extern struct rw_semaphore *rwsem_downgrade_wake(struct rw_semaphore *sem); /* In all implementations count != 0 means locked */ static inline int rwsem_is_locked(struct rw_semaphore *sem) { - return sem->count != 0; + return atomic_long_read(&sem->count) != 0; } +#define __RWSEM_INIT_COUNT(name) .count = ATOMIC_LONG_INIT(RWSEM_UNLOCKED_VALUE) #endif /* Common initializer macros and functions */ @@ -74,7 +76,7 @@ static inline int rwsem_is_locked(struct rw_semaphore *sem) #endif #define __RWSEM_INITIALIZER(name) \ - { .count = RWSEM_UNLOCKED_VALUE, \ + { __RWSEM_INIT_COUNT(name), \ .wait_list = LIST_HEAD_INIT((name).wait_list), \ .wait_lock = __RAW_SPIN_LOCK_UNLOCKED(name.wait_lock) \ __RWSEM_OPT_INIT(name) \ diff --git a/include/linux/sched.h b/include/linux/sched.h index 6e42ada26345..d99218a1e043 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -219,9 +219,10 @@ extern void proc_sched_set_task(struct task_struct *p); #define TASK_WAKING 256 #define TASK_PARKED 512 #define TASK_NOLOAD 1024 -#define TASK_STATE_MAX 2048 +#define TASK_NEW 2048 +#define TASK_STATE_MAX 4096 -#define TASK_STATE_TO_CHAR_STR "RSDTtXZxKWPN" +#define TASK_STATE_TO_CHAR_STR "RSDTtXZxKWPNn" extern char ___assert_task_state[1 - 2*!!( sizeof(TASK_STATE_TO_CHAR_STR)-1 != ilog2(TASK_STATE_MAX)+1)]; @@ -2139,6 +2140,9 @@ static inline void put_task_struct(struct task_struct *t) __put_task_struct(t); } +struct task_struct *task_rcu_dereference(struct task_struct **ptask); +struct task_struct *try_get_task_struct(struct task_struct **ptask); + #ifdef CONFIG_VIRT_CPU_ACCOUNTING_GEN extern void task_cputime(struct task_struct *t, cputime_t *utime, cputime_t *stime); @@ -3007,7 +3011,7 @@ static inline int object_is_on_stack(void *obj) return (obj >= stack) && (obj < (stack + THREAD_SIZE)); } -extern void thread_info_cache_init(void); +extern void thread_stack_cache_init(void); #ifdef CONFIG_DEBUG_STACK_USAGE static inline unsigned long stack_not_used(struct task_struct *p) diff --git a/include/linux/seqlock.h b/include/linux/seqlock.h index 7973a821ac58..ead97654c4e9 100644 --- a/include/linux/seqlock.h +++ b/include/linux/seqlock.h @@ -277,7 +277,10 @@ static inline void raw_write_seqcount_barrier(seqcount_t *s) static inline int raw_read_seqcount_latch(seqcount_t *s) { - return lockless_dereference(s)->sequence; + int seq = READ_ONCE(s->sequence); + /* Pairs with the first smp_wmb() in raw_write_seqcount_latch() */ + smp_read_barrier_depends(); + return seq; } /** @@ -331,7 +334,7 @@ static inline int raw_read_seqcount_latch(seqcount_t *s) * unsigned seq, idx; * * do { - * seq = lockless_dereference(latch)->seq; + * seq = raw_read_seqcount_latch(&latch->seq); * * idx = seq & 0x01; * entry = data_query(latch->data[idx], ...); diff --git a/include/linux/serial_8250.h b/include/linux/serial_8250.h index 48ec7651989b..923266cd294a 100644 --- a/include/linux/serial_8250.h +++ b/include/linux/serial_8250.h @@ -111,6 +111,7 @@ struct uart_8250_port { * if no_console_suspend */ unsigned char probe; + struct mctrl_gpios *gpios; #define UART_PROBE_RSA (1 << 0) /* diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h index a3d7c0d4a03e..2f44e2013654 100644 --- a/include/linux/serial_core.h +++ b/include/linux/serial_core.h @@ -352,9 +352,15 @@ struct earlycon_id { extern const struct earlycon_id __earlycon_table[]; extern const struct earlycon_id __earlycon_table_end[]; +#if defined(CONFIG_SERIAL_EARLYCON) && !defined(MODULE) +#define EARLYCON_USED_OR_UNUSED __used +#else +#define EARLYCON_USED_OR_UNUSED __maybe_unused +#endif + #define OF_EARLYCON_DECLARE(_name, compat, fn) \ static const struct earlycon_id __UNIQUE_ID(__earlycon_##_name) \ - __used __section(__earlycon_table) \ + EARLYCON_USED_OR_UNUSED __section(__earlycon_table) \ = { .name = __stringify(_name), \ .compatible = compat, \ .setup = fn } diff --git a/include/linux/sfi.h b/include/linux/sfi.h index d9b436f09925..e0e1597ef9e6 100644 --- a/include/linux/sfi.h +++ b/include/linux/sfi.h @@ -156,6 +156,7 @@ struct sfi_device_table_entry { #define SFI_DEV_TYPE_UART 2 #define SFI_DEV_TYPE_HSI 3 #define SFI_DEV_TYPE_IPC 4 +#define SFI_DEV_TYPE_SD 5 u8 host_num; /* attached to host 0, 1...*/ u16 addr; diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index ee38a4127475..f39b37180c41 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -1062,6 +1062,7 @@ __skb_set_sw_hash(struct sk_buff *skb, __u32 hash, bool is_l4) } void __skb_get_hash(struct sk_buff *skb); +u32 __skb_get_hash_symmetric(struct sk_buff *skb); u32 skb_get_poff(const struct sk_buff *skb); u32 __skb_get_poff(const struct sk_buff *skb, void *data, const struct flow_keys *keys, int hlen); @@ -2870,6 +2871,25 @@ static inline void skb_postpush_rcsum(struct sk_buff *skb, } /** + * skb_push_rcsum - push skb and update receive checksum + * @skb: buffer to update + * @len: length of data pulled + * + * This function performs an skb_push on the packet and updates + * the CHECKSUM_COMPLETE checksum. It should be used on + * receive path processing instead of skb_push unless you know + * that the checksum difference is zero (e.g., a valid IP header) + * or you are setting ip_summed to CHECKSUM_NONE. + */ +static inline unsigned char *skb_push_rcsum(struct sk_buff *skb, + unsigned int len) +{ + skb_push(skb, len); + skb_postpush_rcsum(skb, skb->data, len); + return skb->data; +} + +/** * pskb_trim_rcsum - trim received skb and update checksum * @skb: buffer to trim * @len: new length diff --git a/include/linux/sock_diag.h b/include/linux/sock_diag.h index 4018b48f2b3b..a0596ca0e80a 100644 --- a/include/linux/sock_diag.h +++ b/include/linux/sock_diag.h @@ -36,6 +36,9 @@ enum sknetlink_groups sock_diag_destroy_group(const struct sock *sk) { switch (sk->sk_family) { case AF_INET: + if (sk->sk_type == SOCK_RAW) + return SKNLGRP_NONE; + switch (sk->sk_protocol) { case IPPROTO_TCP: return SKNLGRP_INET_TCP_DESTROY; @@ -45,6 +48,9 @@ enum sknetlink_groups sock_diag_destroy_group(const struct sock *sk) return SKNLGRP_NONE; } case AF_INET6: + if (sk->sk_type == SOCK_RAW) + return SKNLGRP_NONE; + switch (sk->sk_protocol) { case IPPROTO_TCP: return SKNLGRP_INET6_TCP_DESTROY; diff --git a/include/linux/spinlock_up.h b/include/linux/spinlock_up.h index 8b3ac0d718eb..0d9848de677d 100644 --- a/include/linux/spinlock_up.h +++ b/include/linux/spinlock_up.h @@ -6,6 +6,7 @@ #endif #include <asm/processor.h> /* for cpu_relax() */ +#include <asm/barrier.h> /* * include/linux/spinlock_up.h - UP-debug version of spinlocks. @@ -25,6 +26,11 @@ #ifdef CONFIG_DEBUG_SPINLOCK #define arch_spin_is_locked(x) ((x)->slock == 0) +static inline void arch_spin_unlock_wait(arch_spinlock_t *lock) +{ + smp_cond_load_acquire(&lock->slock, VAL); +} + static inline void arch_spin_lock(arch_spinlock_t *lock) { lock->slock = 0; @@ -67,6 +73,7 @@ static inline void arch_spin_unlock(arch_spinlock_t *lock) #else /* DEBUG_SPINLOCK */ #define arch_spin_is_locked(lock) ((void)(lock), 0) +#define arch_spin_unlock_wait(lock) do { barrier(); (void)(lock); } while (0) /* for sched/core.c and kernel_lock.c: */ # define arch_spin_lock(lock) do { barrier(); (void)(lock); } while (0) # define arch_spin_lock_flags(lock, flags) do { barrier(); (void)(lock); } while (0) @@ -79,7 +86,4 @@ static inline void arch_spin_unlock(arch_spinlock_t *lock) #define arch_read_can_lock(lock) (((void)(lock), 1)) #define arch_write_can_lock(lock) (((void)(lock), 1)) -#define arch_spin_unlock_wait(lock) \ - do { cpu_relax(); } while (arch_spin_is_locked(lock)) - #endif /* __LINUX_SPINLOCK_UP_H */ diff --git a/include/linux/sunrpc/clnt.h b/include/linux/sunrpc/clnt.h index 19c659d1c0f8..b6810c92b8bb 100644 --- a/include/linux/sunrpc/clnt.h +++ b/include/linux/sunrpc/clnt.h @@ -137,8 +137,6 @@ struct rpc_create_args { #define RPC_CLNT_CREATE_NO_RETRANS_TIMEOUT (1UL << 9) struct rpc_clnt *rpc_create(struct rpc_create_args *args); -struct rpc_clnt *rpc_create_xprt(struct rpc_create_args *args, - struct rpc_xprt *xprt); struct rpc_clnt *rpc_bind_new_program(struct rpc_clnt *, const struct rpc_program *, u32); struct rpc_clnt *rpc_clone_client(struct rpc_clnt *); diff --git a/include/linux/sunrpc/svc_xprt.h b/include/linux/sunrpc/svc_xprt.h index b7dabc4baafd..79ba50856707 100644 --- a/include/linux/sunrpc/svc_xprt.h +++ b/include/linux/sunrpc/svc_xprt.h @@ -84,6 +84,7 @@ struct svc_xprt { struct net *xpt_net; struct rpc_xprt *xpt_bc_xprt; /* NFSv4.1 backchannel */ + struct rpc_xprt_switch *xpt_bc_xps; /* NFSv4.1 backchannel */ }; static inline void unregister_xpt_user(struct svc_xprt *xpt, struct svc_xpt_user *u) diff --git a/include/linux/sunrpc/xprt.h b/include/linux/sunrpc/xprt.h index 5aa3834619a8..5e3e1b63dbb3 100644 --- a/include/linux/sunrpc/xprt.h +++ b/include/linux/sunrpc/xprt.h @@ -297,6 +297,7 @@ struct xprt_create { size_t addrlen; const char *servername; struct svc_xprt *bc_xprt; /* NFSv4.1 backchannel */ + struct rpc_xprt_switch *bc_xps; unsigned int flags; }; diff --git a/include/linux/thermal.h b/include/linux/thermal.h index e45abe7db9a6..ee517bef0db0 100644 --- a/include/linux/thermal.h +++ b/include/linux/thermal.h @@ -335,6 +335,8 @@ struct thermal_genl_event { * @get_trend: a pointer to a function that reads the sensor temperature trend. * @set_emul_temp: a pointer to a function that sets sensor emulated * temperature. + * @set_trip_temp: a pointer to a function that sets the trip temperature on + * hardware. */ struct thermal_zone_of_device_ops { int (*get_temp)(void *, int *); diff --git a/include/linux/time.h b/include/linux/time.h index 297f09f23896..4cea09d94208 100644 --- a/include/linux/time.h +++ b/include/linux/time.h @@ -205,7 +205,20 @@ struct tm { int tm_yday; }; -void time_to_tm(time_t totalsecs, int offset, struct tm *result); +void time64_to_tm(time64_t totalsecs, int offset, struct tm *result); + +/** + * time_to_tm - converts the calendar time to local broken-down time + * + * @totalsecs the number of seconds elapsed since 00:00:00 on January 1, 1970, + * Coordinated Universal Time (UTC). + * @offset offset seconds adding to totalsecs. + * @result pointer to struct tm variable to receive broken-down time + */ +static inline void time_to_tm(time_t totalsecs, int offset, struct tm *result) +{ + time64_to_tm(totalsecs, offset, result); +} /** * timespec_to_ns - Convert timespec to nanoseconds diff --git a/include/linux/timer.h b/include/linux/timer.h index 20ac746f3eb3..4419506b564e 100644 --- a/include/linux/timer.h +++ b/include/linux/timer.h @@ -19,7 +19,6 @@ struct timer_list { void (*function)(unsigned long); unsigned long data; u32 flags; - int slack; #ifdef CONFIG_TIMER_STATS int start_pid; @@ -58,11 +57,14 @@ struct timer_list { * workqueue locking issues. It's not meant for executing random crap * with interrupts disabled. Abuse is monitored! */ -#define TIMER_CPUMASK 0x0007FFFF -#define TIMER_MIGRATING 0x00080000 +#define TIMER_CPUMASK 0x0003FFFF +#define TIMER_MIGRATING 0x00040000 #define TIMER_BASEMASK (TIMER_CPUMASK | TIMER_MIGRATING) -#define TIMER_DEFERRABLE 0x00100000 +#define TIMER_DEFERRABLE 0x00080000 +#define TIMER_PINNED 0x00100000 #define TIMER_IRQSAFE 0x00200000 +#define TIMER_ARRAYSHIFT 22 +#define TIMER_ARRAYMASK 0xFFC00000 #define __TIMER_INITIALIZER(_function, _expires, _data, _flags) { \ .entry = { .next = TIMER_ENTRY_STATIC }, \ @@ -70,7 +72,6 @@ struct timer_list { .expires = (_expires), \ .data = (_data), \ .flags = (_flags), \ - .slack = -1, \ __TIMER_LOCKDEP_MAP_INITIALIZER( \ __FILE__ ":" __stringify(__LINE__)) \ } @@ -78,9 +79,15 @@ struct timer_list { #define TIMER_INITIALIZER(_function, _expires, _data) \ __TIMER_INITIALIZER((_function), (_expires), (_data), 0) +#define TIMER_PINNED_INITIALIZER(_function, _expires, _data) \ + __TIMER_INITIALIZER((_function), (_expires), (_data), TIMER_PINNED) + #define TIMER_DEFERRED_INITIALIZER(_function, _expires, _data) \ __TIMER_INITIALIZER((_function), (_expires), (_data), TIMER_DEFERRABLE) +#define TIMER_PINNED_DEFERRED_INITIALIZER(_function, _expires, _data) \ + __TIMER_INITIALIZER((_function), (_expires), (_data), TIMER_DEFERRABLE | TIMER_PINNED) + #define DEFINE_TIMER(_name, _function, _expires, _data) \ struct timer_list _name = \ TIMER_INITIALIZER(_function, _expires, _data) @@ -124,8 +131,12 @@ static inline void init_timer_on_stack_key(struct timer_list *timer, #define init_timer(timer) \ __init_timer((timer), 0) +#define init_timer_pinned(timer) \ + __init_timer((timer), TIMER_PINNED) #define init_timer_deferrable(timer) \ __init_timer((timer), TIMER_DEFERRABLE) +#define init_timer_pinned_deferrable(timer) \ + __init_timer((timer), TIMER_DEFERRABLE | TIMER_PINNED) #define init_timer_on_stack(timer) \ __init_timer_on_stack((timer), 0) @@ -145,12 +156,20 @@ static inline void init_timer_on_stack_key(struct timer_list *timer, #define setup_timer(timer, fn, data) \ __setup_timer((timer), (fn), (data), 0) +#define setup_pinned_timer(timer, fn, data) \ + __setup_timer((timer), (fn), (data), TIMER_PINNED) #define setup_deferrable_timer(timer, fn, data) \ __setup_timer((timer), (fn), (data), TIMER_DEFERRABLE) +#define setup_pinned_deferrable_timer(timer, fn, data) \ + __setup_timer((timer), (fn), (data), TIMER_DEFERRABLE | TIMER_PINNED) #define setup_timer_on_stack(timer, fn, data) \ __setup_timer_on_stack((timer), (fn), (data), 0) +#define setup_pinned_timer_on_stack(timer, fn, data) \ + __setup_timer_on_stack((timer), (fn), (data), TIMER_PINNED) #define setup_deferrable_timer_on_stack(timer, fn, data) \ __setup_timer_on_stack((timer), (fn), (data), TIMER_DEFERRABLE) +#define setup_pinned_deferrable_timer_on_stack(timer, fn, data) \ + __setup_timer_on_stack((timer), (fn), (data), TIMER_DEFERRABLE | TIMER_PINNED) /** * timer_pending - is a timer pending? @@ -171,12 +190,7 @@ extern void add_timer_on(struct timer_list *timer, int cpu); extern int del_timer(struct timer_list * timer); extern int mod_timer(struct timer_list *timer, unsigned long expires); extern int mod_timer_pending(struct timer_list *timer, unsigned long expires); -extern int mod_timer_pinned(struct timer_list *timer, unsigned long expires); - -extern void set_timer_slack(struct timer_list *time, int slack_hz); -#define TIMER_NOT_PINNED 0 -#define TIMER_PINNED 1 /* * The jiffies value which is added to now, when there is no timer * in the timer wheel: diff --git a/include/linux/torture.h b/include/linux/torture.h index 7759fc3c622d..6685a73736a2 100644 --- a/include/linux/torture.h +++ b/include/linux/torture.h @@ -50,6 +50,10 @@ do { if (verbose) pr_alert("%s" TORTURE_FLAG "!!! %s\n", torture_type, s); } while (0) /* Definitions for online/offline exerciser. */ +bool torture_offline(int cpu, long *n_onl_attempts, long *n_onl_successes, + unsigned long *sum_offl, int *min_onl, int *max_onl); +bool torture_online(int cpu, long *n_onl_attempts, long *n_onl_successes, + unsigned long *sum_onl, int *min_onl, int *max_onl); int torture_onoff_init(long ooholdoff, long oointerval); void torture_onoff_stats(void); bool torture_onoff_failures(void); diff --git a/include/linux/usb/ehci_def.h b/include/linux/usb/ehci_def.h index 966889a20ea3..e479033bd782 100644 --- a/include/linux/usb/ehci_def.h +++ b/include/linux/usb/ehci_def.h @@ -180,11 +180,11 @@ struct ehci_regs { * PORTSCx */ /* HOSTPC: offset 0x84 */ - u32 hostpc[1]; /* HOSTPC extension */ + u32 hostpc[0]; /* HOSTPC extension */ #define HOSTPC_PHCD (1<<22) /* Phy clock disable */ #define HOSTPC_PSPD (3<<25) /* Port speed detection */ - u32 reserved5[16]; + u32 reserved5[17]; /* USBMODE_EX: offset 0xc8 */ u32 usbmode_ex; /* USB Device mode extension */ diff --git a/include/linux/usb/gadget.h b/include/linux/usb/gadget.h index 457651bf45b0..612dbdfa388e 100644 --- a/include/linux/usb/gadget.h +++ b/include/linux/usb/gadget.h @@ -25,6 +25,8 @@ #include <linux/workqueue.h> #include <linux/usb/ch9.h> +#define UDC_TRACE_STR_MAX 512 + struct usb_ep; /** @@ -228,307 +230,49 @@ struct usb_ep { /*-------------------------------------------------------------------------*/ -/** - * usb_ep_set_maxpacket_limit - set maximum packet size limit for endpoint - * @ep:the endpoint being configured - * @maxpacket_limit:value of maximum packet size limit - * - * This function should be used only in UDC drivers to initialize endpoint - * (usually in probe function). - */ +#if IS_ENABLED(CONFIG_USB_GADGET) +void usb_ep_set_maxpacket_limit(struct usb_ep *ep, unsigned maxpacket_limit); +int usb_ep_enable(struct usb_ep *ep); +int usb_ep_disable(struct usb_ep *ep); +struct usb_request *usb_ep_alloc_request(struct usb_ep *ep, gfp_t gfp_flags); +void usb_ep_free_request(struct usb_ep *ep, struct usb_request *req); +int usb_ep_queue(struct usb_ep *ep, struct usb_request *req, gfp_t gfp_flags); +int usb_ep_dequeue(struct usb_ep *ep, struct usb_request *req); +int usb_ep_set_halt(struct usb_ep *ep); +int usb_ep_clear_halt(struct usb_ep *ep); +int usb_ep_set_wedge(struct usb_ep *ep); +int usb_ep_fifo_status(struct usb_ep *ep); +void usb_ep_fifo_flush(struct usb_ep *ep); +#else static inline void usb_ep_set_maxpacket_limit(struct usb_ep *ep, - unsigned maxpacket_limit) -{ - ep->maxpacket_limit = maxpacket_limit; - ep->maxpacket = maxpacket_limit; -} - -/** - * usb_ep_enable - configure endpoint, making it usable - * @ep:the endpoint being configured. may not be the endpoint named "ep0". - * drivers discover endpoints through the ep_list of a usb_gadget. - * - * When configurations are set, or when interface settings change, the driver - * will enable or disable the relevant endpoints. while it is enabled, an - * endpoint may be used for i/o until the driver receives a disconnect() from - * the host or until the endpoint is disabled. - * - * the ep0 implementation (which calls this routine) must ensure that the - * hardware capabilities of each endpoint match the descriptor provided - * for it. for example, an endpoint named "ep2in-bulk" would be usable - * for interrupt transfers as well as bulk, but it likely couldn't be used - * for iso transfers or for endpoint 14. some endpoints are fully - * configurable, with more generic names like "ep-a". (remember that for - * USB, "in" means "towards the USB master".) - * - * returns zero, or a negative error code. - */ + unsigned maxpacket_limit) +{ } static inline int usb_ep_enable(struct usb_ep *ep) -{ - int ret; - - if (ep->enabled) - return 0; - - ret = ep->ops->enable(ep, ep->desc); - if (ret) - return ret; - - ep->enabled = true; - - return 0; -} - -/** - * usb_ep_disable - endpoint is no longer usable - * @ep:the endpoint being unconfigured. may not be the endpoint named "ep0". - * - * no other task may be using this endpoint when this is called. - * any pending and uncompleted requests will complete with status - * indicating disconnect (-ESHUTDOWN) before this call returns. - * gadget drivers must call usb_ep_enable() again before queueing - * requests to the endpoint. - * - * returns zero, or a negative error code. - */ +{ return 0; } static inline int usb_ep_disable(struct usb_ep *ep) -{ - int ret; - - if (!ep->enabled) - return 0; - - ret = ep->ops->disable(ep); - if (ret) - return ret; - - ep->enabled = false; - - return 0; -} - -/** - * usb_ep_alloc_request - allocate a request object to use with this endpoint - * @ep:the endpoint to be used with with the request - * @gfp_flags:GFP_* flags to use - * - * Request objects must be allocated with this call, since they normally - * need controller-specific setup and may even need endpoint-specific - * resources such as allocation of DMA descriptors. - * Requests may be submitted with usb_ep_queue(), and receive a single - * completion callback. Free requests with usb_ep_free_request(), when - * they are no longer needed. - * - * Returns the request, or null if one could not be allocated. - */ +{ return 0; } static inline struct usb_request *usb_ep_alloc_request(struct usb_ep *ep, - gfp_t gfp_flags) -{ - return ep->ops->alloc_request(ep, gfp_flags); -} - -/** - * usb_ep_free_request - frees a request object - * @ep:the endpoint associated with the request - * @req:the request being freed - * - * Reverses the effect of usb_ep_alloc_request(). - * Caller guarantees the request is not queued, and that it will - * no longer be requeued (or otherwise used). - */ + gfp_t gfp_flags) +{ return NULL; } static inline void usb_ep_free_request(struct usb_ep *ep, - struct usb_request *req) -{ - ep->ops->free_request(ep, req); -} - -/** - * usb_ep_queue - queues (submits) an I/O request to an endpoint. - * @ep:the endpoint associated with the request - * @req:the request being submitted - * @gfp_flags: GFP_* flags to use in case the lower level driver couldn't - * pre-allocate all necessary memory with the request. - * - * This tells the device controller to perform the specified request through - * that endpoint (reading or writing a buffer). When the request completes, - * including being canceled by usb_ep_dequeue(), the request's completion - * routine is called to return the request to the driver. Any endpoint - * (except control endpoints like ep0) may have more than one transfer - * request queued; they complete in FIFO order. Once a gadget driver - * submits a request, that request may not be examined or modified until it - * is given back to that driver through the completion callback. - * - * Each request is turned into one or more packets. The controller driver - * never merges adjacent requests into the same packet. OUT transfers - * will sometimes use data that's already buffered in the hardware. - * Drivers can rely on the fact that the first byte of the request's buffer - * always corresponds to the first byte of some USB packet, for both - * IN and OUT transfers. - * - * Bulk endpoints can queue any amount of data; the transfer is packetized - * automatically. The last packet will be short if the request doesn't fill it - * out completely. Zero length packets (ZLPs) should be avoided in portable - * protocols since not all usb hardware can successfully handle zero length - * packets. (ZLPs may be explicitly written, and may be implicitly written if - * the request 'zero' flag is set.) Bulk endpoints may also be used - * for interrupt transfers; but the reverse is not true, and some endpoints - * won't support every interrupt transfer. (Such as 768 byte packets.) - * - * Interrupt-only endpoints are less functional than bulk endpoints, for - * example by not supporting queueing or not handling buffers that are - * larger than the endpoint's maxpacket size. They may also treat data - * toggle differently. - * - * Control endpoints ... after getting a setup() callback, the driver queues - * one response (even if it would be zero length). That enables the - * status ack, after transferring data as specified in the response. Setup - * functions may return negative error codes to generate protocol stalls. - * (Note that some USB device controllers disallow protocol stall responses - * in some cases.) When control responses are deferred (the response is - * written after the setup callback returns), then usb_ep_set_halt() may be - * used on ep0 to trigger protocol stalls. Depending on the controller, - * it may not be possible to trigger a status-stage protocol stall when the - * data stage is over, that is, from within the response's completion - * routine. - * - * For periodic endpoints, like interrupt or isochronous ones, the usb host - * arranges to poll once per interval, and the gadget driver usually will - * have queued some data to transfer at that time. - * - * Returns zero, or a negative error code. Endpoints that are not enabled - * report errors; errors will also be - * reported when the usb peripheral is disconnected. - */ -static inline int usb_ep_queue(struct usb_ep *ep, - struct usb_request *req, gfp_t gfp_flags) -{ - if (WARN_ON_ONCE(!ep->enabled && ep->address)) - return -ESHUTDOWN; - - return ep->ops->queue(ep, req, gfp_flags); -} - -/** - * usb_ep_dequeue - dequeues (cancels, unlinks) an I/O request from an endpoint - * @ep:the endpoint associated with the request - * @req:the request being canceled - * - * If the request is still active on the endpoint, it is dequeued and its - * completion routine is called (with status -ECONNRESET); else a negative - * error code is returned. This is guaranteed to happen before the call to - * usb_ep_dequeue() returns. - * - * Note that some hardware can't clear out write fifos (to unlink the request - * at the head of the queue) except as part of disconnecting from usb. Such - * restrictions prevent drivers from supporting configuration changes, - * even to configuration zero (a "chapter 9" requirement). - */ + struct usb_request *req) +{ } +static inline int usb_ep_queue(struct usb_ep *ep, struct usb_request *req, + gfp_t gfp_flags) +{ return 0; } static inline int usb_ep_dequeue(struct usb_ep *ep, struct usb_request *req) -{ - return ep->ops->dequeue(ep, req); -} - -/** - * usb_ep_set_halt - sets the endpoint halt feature. - * @ep: the non-isochronous endpoint being stalled - * - * Use this to stall an endpoint, perhaps as an error report. - * Except for control endpoints, - * the endpoint stays halted (will not stream any data) until the host - * clears this feature; drivers may need to empty the endpoint's request - * queue first, to make sure no inappropriate transfers happen. - * - * Note that while an endpoint CLEAR_FEATURE will be invisible to the - * gadget driver, a SET_INTERFACE will not be. To reset endpoints for the - * current altsetting, see usb_ep_clear_halt(). When switching altsettings, - * it's simplest to use usb_ep_enable() or usb_ep_disable() for the endpoints. - * - * Returns zero, or a negative error code. On success, this call sets - * underlying hardware state that blocks data transfers. - * Attempts to halt IN endpoints will fail (returning -EAGAIN) if any - * transfer requests are still queued, or if the controller hardware - * (usually a FIFO) still holds bytes that the host hasn't collected. - */ +{ return 0; } static inline int usb_ep_set_halt(struct usb_ep *ep) -{ - return ep->ops->set_halt(ep, 1); -} - -/** - * usb_ep_clear_halt - clears endpoint halt, and resets toggle - * @ep:the bulk or interrupt endpoint being reset - * - * Use this when responding to the standard usb "set interface" request, - * for endpoints that aren't reconfigured, after clearing any other state - * in the endpoint's i/o queue. - * - * Returns zero, or a negative error code. On success, this call clears - * the underlying hardware state reflecting endpoint halt and data toggle. - * Note that some hardware can't support this request (like pxa2xx_udc), - * and accordingly can't correctly implement interface altsettings. - */ +{ return 0; } static inline int usb_ep_clear_halt(struct usb_ep *ep) -{ - return ep->ops->set_halt(ep, 0); -} - -/** - * usb_ep_set_wedge - sets the halt feature and ignores clear requests - * @ep: the endpoint being wedged - * - * Use this to stall an endpoint and ignore CLEAR_FEATURE(HALT_ENDPOINT) - * requests. If the gadget driver clears the halt status, it will - * automatically unwedge the endpoint. - * - * Returns zero on success, else negative errno. - */ -static inline int -usb_ep_set_wedge(struct usb_ep *ep) -{ - if (ep->ops->set_wedge) - return ep->ops->set_wedge(ep); - else - return ep->ops->set_halt(ep, 1); -} - -/** - * usb_ep_fifo_status - returns number of bytes in fifo, or error - * @ep: the endpoint whose fifo status is being checked. - * - * FIFO endpoints may have "unclaimed data" in them in certain cases, - * such as after aborted transfers. Hosts may not have collected all - * the IN data written by the gadget driver (and reported by a request - * completion). The gadget driver may not have collected all the data - * written OUT to it by the host. Drivers that need precise handling for - * fault reporting or recovery may need to use this call. - * - * This returns the number of such bytes in the fifo, or a negative - * errno if the endpoint doesn't use a FIFO or doesn't support such - * precise handling. - */ +{ return 0; } +static inline int usb_ep_set_wedge(struct usb_ep *ep) +{ return 0; } static inline int usb_ep_fifo_status(struct usb_ep *ep) -{ - if (ep->ops->fifo_status) - return ep->ops->fifo_status(ep); - else - return -EOPNOTSUPP; -} - -/** - * usb_ep_fifo_flush - flushes contents of a fifo - * @ep: the endpoint whose fifo is being flushed. - * - * This call may be used to flush the "unclaimed data" that may exist in - * an endpoint fifo after abnormal transaction terminations. The call - * must never be used except when endpoint is not being used for any - * protocol translation. - */ +{ return 0; } static inline void usb_ep_fifo_flush(struct usb_ep *ep) -{ - if (ep->ops->fifo_flush) - ep->ops->fifo_flush(ep); -} - +{ } +#endif /* USB_GADGET */ /*-------------------------------------------------------------------------*/ @@ -582,6 +326,7 @@ struct usb_gadget_ops { * @dev: Driver model state for this abstract device. * @out_epnum: last used out ep number * @in_epnum: last used in ep number + * @mA: last set mA value * @otg_caps: OTG capabilities of this gadget. * @sg_supported: true if we can handle scatter-gather * @is_otg: True if the USB device port uses a Mini-AB jack, so that the @@ -638,6 +383,7 @@ struct usb_gadget { struct device dev; unsigned out_epnum; unsigned in_epnum; + unsigned mA; struct usb_otg_caps *otg_caps; unsigned sg_supported:1; @@ -760,251 +506,44 @@ static inline int gadget_is_otg(struct usb_gadget *g) #endif } -/** - * usb_gadget_frame_number - returns the current frame number - * @gadget: controller that reports the frame number - * - * Returns the usb frame number, normally eleven bits from a SOF packet, - * or negative errno if this device doesn't support this capability. - */ -static inline int usb_gadget_frame_number(struct usb_gadget *gadget) -{ - return gadget->ops->get_frame(gadget); -} +/*-------------------------------------------------------------------------*/ -/** - * usb_gadget_wakeup - tries to wake up the host connected to this gadget - * @gadget: controller used to wake up the host - * - * Returns zero on success, else negative error code if the hardware - * doesn't support such attempts, or its support has not been enabled - * by the usb host. Drivers must return device descriptors that report - * their ability to support this, or hosts won't enable it. - * - * This may also try to use SRP to wake the host and start enumeration, - * even if OTG isn't otherwise in use. OTG devices may also start - * remote wakeup even when hosts don't explicitly enable it. - */ +#if IS_ENABLED(CONFIG_USB_GADGET) +int usb_gadget_frame_number(struct usb_gadget *gadget); +int usb_gadget_wakeup(struct usb_gadget *gadget); +int usb_gadget_set_selfpowered(struct usb_gadget *gadget); +int usb_gadget_clear_selfpowered(struct usb_gadget *gadget); +int usb_gadget_vbus_connect(struct usb_gadget *gadget); +int usb_gadget_vbus_draw(struct usb_gadget *gadget, unsigned mA); +int usb_gadget_vbus_disconnect(struct usb_gadget *gadget); +int usb_gadget_connect(struct usb_gadget *gadget); +int usb_gadget_disconnect(struct usb_gadget *gadget); +int usb_gadget_deactivate(struct usb_gadget *gadget); +int usb_gadget_activate(struct usb_gadget *gadget); +#else +static inline int usb_gadget_frame_number(struct usb_gadget *gadget) +{ return 0; } static inline int usb_gadget_wakeup(struct usb_gadget *gadget) -{ - if (!gadget->ops->wakeup) - return -EOPNOTSUPP; - return gadget->ops->wakeup(gadget); -} - -/** - * usb_gadget_set_selfpowered - sets the device selfpowered feature. - * @gadget:the device being declared as self-powered - * - * this affects the device status reported by the hardware driver - * to reflect that it now has a local power supply. - * - * returns zero on success, else negative errno. - */ +{ return 0; } static inline int usb_gadget_set_selfpowered(struct usb_gadget *gadget) -{ - if (!gadget->ops->set_selfpowered) - return -EOPNOTSUPP; - return gadget->ops->set_selfpowered(gadget, 1); -} - -/** - * usb_gadget_clear_selfpowered - clear the device selfpowered feature. - * @gadget:the device being declared as bus-powered - * - * this affects the device status reported by the hardware driver. - * some hardware may not support bus-powered operation, in which - * case this feature's value can never change. - * - * returns zero on success, else negative errno. - */ +{ return 0; } static inline int usb_gadget_clear_selfpowered(struct usb_gadget *gadget) -{ - if (!gadget->ops->set_selfpowered) - return -EOPNOTSUPP; - return gadget->ops->set_selfpowered(gadget, 0); -} - -/** - * usb_gadget_vbus_connect - Notify controller that VBUS is powered - * @gadget:The device which now has VBUS power. - * Context: can sleep - * - * This call is used by a driver for an external transceiver (or GPIO) - * that detects a VBUS power session starting. Common responses include - * resuming the controller, activating the D+ (or D-) pullup to let the - * host detect that a USB device is attached, and starting to draw power - * (8mA or possibly more, especially after SET_CONFIGURATION). - * - * Returns zero on success, else negative errno. - */ +{ return 0; } static inline int usb_gadget_vbus_connect(struct usb_gadget *gadget) -{ - if (!gadget->ops->vbus_session) - return -EOPNOTSUPP; - return gadget->ops->vbus_session(gadget, 1); -} - -/** - * usb_gadget_vbus_draw - constrain controller's VBUS power usage - * @gadget:The device whose VBUS usage is being described - * @mA:How much current to draw, in milliAmperes. This should be twice - * the value listed in the configuration descriptor bMaxPower field. - * - * This call is used by gadget drivers during SET_CONFIGURATION calls, - * reporting how much power the device may consume. For example, this - * could affect how quickly batteries are recharged. - * - * Returns zero on success, else negative errno. - */ +{ return 0; } static inline int usb_gadget_vbus_draw(struct usb_gadget *gadget, unsigned mA) -{ - if (!gadget->ops->vbus_draw) - return -EOPNOTSUPP; - return gadget->ops->vbus_draw(gadget, mA); -} - -/** - * usb_gadget_vbus_disconnect - notify controller about VBUS session end - * @gadget:the device whose VBUS supply is being described - * Context: can sleep - * - * This call is used by a driver for an external transceiver (or GPIO) - * that detects a VBUS power session ending. Common responses include - * reversing everything done in usb_gadget_vbus_connect(). - * - * Returns zero on success, else negative errno. - */ +{ return 0; } static inline int usb_gadget_vbus_disconnect(struct usb_gadget *gadget) -{ - if (!gadget->ops->vbus_session) - return -EOPNOTSUPP; - return gadget->ops->vbus_session(gadget, 0); -} - -/** - * usb_gadget_connect - software-controlled connect to USB host - * @gadget:the peripheral being connected - * - * Enables the D+ (or potentially D-) pullup. The host will start - * enumerating this gadget when the pullup is active and a VBUS session - * is active (the link is powered). This pullup is always enabled unless - * usb_gadget_disconnect() has been used to disable it. - * - * Returns zero on success, else negative errno. - */ +{ return 0; } static inline int usb_gadget_connect(struct usb_gadget *gadget) -{ - int ret; - - if (!gadget->ops->pullup) - return -EOPNOTSUPP; - - if (gadget->deactivated) { - /* - * If gadget is deactivated we only save new state. - * Gadget will be connected automatically after activation. - */ - gadget->connected = true; - return 0; - } - - ret = gadget->ops->pullup(gadget, 1); - if (!ret) - gadget->connected = 1; - return ret; -} - -/** - * usb_gadget_disconnect - software-controlled disconnect from USB host - * @gadget:the peripheral being disconnected - * - * Disables the D+ (or potentially D-) pullup, which the host may see - * as a disconnect (when a VBUS session is active). Not all systems - * support software pullup controls. - * - * Returns zero on success, else negative errno. - */ +{ return 0; } static inline int usb_gadget_disconnect(struct usb_gadget *gadget) -{ - int ret; - - if (!gadget->ops->pullup) - return -EOPNOTSUPP; - - if (gadget->deactivated) { - /* - * If gadget is deactivated we only save new state. - * Gadget will stay disconnected after activation. - */ - gadget->connected = false; - return 0; - } - - ret = gadget->ops->pullup(gadget, 0); - if (!ret) - gadget->connected = 0; - return ret; -} - -/** - * usb_gadget_deactivate - deactivate function which is not ready to work - * @gadget: the peripheral being deactivated - * - * This routine may be used during the gadget driver bind() call to prevent - * the peripheral from ever being visible to the USB host, unless later - * usb_gadget_activate() is called. For example, user mode components may - * need to be activated before the system can talk to hosts. - * - * Returns zero on success, else negative errno. - */ +{ return 0; } static inline int usb_gadget_deactivate(struct usb_gadget *gadget) -{ - int ret; - - if (gadget->deactivated) - return 0; - - if (gadget->connected) { - ret = usb_gadget_disconnect(gadget); - if (ret) - return ret; - /* - * If gadget was being connected before deactivation, we want - * to reconnect it in usb_gadget_activate(). - */ - gadget->connected = true; - } - gadget->deactivated = true; - - return 0; -} - -/** - * usb_gadget_activate - activate function which is not ready to work - * @gadget: the peripheral being activated - * - * This routine activates gadget which was previously deactivated with - * usb_gadget_deactivate() call. It calls usb_gadget_connect() if needed. - * - * Returns zero on success, else negative errno. - */ +{ return 0; } static inline int usb_gadget_activate(struct usb_gadget *gadget) -{ - if (!gadget->deactivated) - return 0; - - gadget->deactivated = false; - - /* - * If gadget has been connected before deactivation, or became connected - * while it was being deactivated, we call usb_gadget_connect(). - */ - if (gadget->connected) - return usb_gadget_connect(gadget); - - return 0; -} +{ return 0; } +#endif /* CONFIG_USB_GADGET */ /*-------------------------------------------------------------------------*/ @@ -1034,6 +573,8 @@ static inline int usb_gadget_activate(struct usb_gadget *gadget) * @udc_name: A name of UDC this driver should be bound to. If udc_name is NULL, * this driver will be bound to any available UDC. * @pending: UDC core private data used for deferred probe of this driver. + * @match_existing_only: If udc is not found, return an error and don't add this + * gadget driver to list of pending driver * * Devices are disabled till a gadget driver successfully bind()s, which * means the driver will handle setup() requests needed to enumerate (and @@ -1097,6 +638,7 @@ struct usb_gadget_driver { char *udc_name; struct list_head pending; + unsigned match_existing_only:1; }; diff --git a/include/linux/usb/msm_hsusb.h b/include/linux/usb/msm_hsusb.h deleted file mode 100644 index 8c8f6854c993..000000000000 --- a/include/linux/usb/msm_hsusb.h +++ /dev/null @@ -1,200 +0,0 @@ -/* linux/include/asm-arm/arch-msm/hsusb.h - * - * Copyright (C) 2008 Google, Inc. - * Author: Brian Swetland <swetland@google.com> - * Copyright (c) 2009-2011, Code Aurora Forum. All rights reserved. - * - * This software is licensed under the terms of the GNU General Public - * License version 2, as published by the Free Software Foundation, and - * may be copied, distributed, and modified under those terms. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - */ - -#ifndef __ASM_ARCH_MSM_HSUSB_H -#define __ASM_ARCH_MSM_HSUSB_H - -#include <linux/extcon.h> -#include <linux/types.h> -#include <linux/usb/otg.h> -#include <linux/clk.h> - -/** - * OTG control - * - * OTG_NO_CONTROL Id/VBUS notifications not required. Useful in host - * only configuration. - * OTG_PHY_CONTROL Id/VBUS notifications comes form USB PHY. - * OTG_PMIC_CONTROL Id/VBUS notifications comes from PMIC hardware. - * OTG_USER_CONTROL Id/VBUS notifcations comes from User via sysfs. - * - */ -enum otg_control_type { - OTG_NO_CONTROL = 0, - OTG_PHY_CONTROL, - OTG_PMIC_CONTROL, - OTG_USER_CONTROL, -}; - -/** - * PHY used in - * - * INVALID_PHY Unsupported PHY - * CI_45NM_INTEGRATED_PHY Chipidea 45nm integrated PHY - * SNPS_28NM_INTEGRATED_PHY Synopsis 28nm integrated PHY - * - */ -enum msm_usb_phy_type { - INVALID_PHY = 0, - CI_45NM_INTEGRATED_PHY, - SNPS_28NM_INTEGRATED_PHY, -}; - -#define IDEV_CHG_MAX 1500 -#define IUNIT 100 - -/** - * Different states involved in USB charger detection. - * - * USB_CHG_STATE_UNDEFINED USB charger is not connected or detection - * process is not yet started. - * USB_CHG_STATE_WAIT_FOR_DCD Waiting for Data pins contact. - * USB_CHG_STATE_DCD_DONE Data pin contact is detected. - * USB_CHG_STATE_PRIMARY_DONE Primary detection is completed (Detects - * between SDP and DCP/CDP). - * USB_CHG_STATE_SECONDARY_DONE Secondary detection is completed (Detects - * between DCP and CDP). - * USB_CHG_STATE_DETECTED USB charger type is determined. - * - */ -enum usb_chg_state { - USB_CHG_STATE_UNDEFINED = 0, - USB_CHG_STATE_WAIT_FOR_DCD, - USB_CHG_STATE_DCD_DONE, - USB_CHG_STATE_PRIMARY_DONE, - USB_CHG_STATE_SECONDARY_DONE, - USB_CHG_STATE_DETECTED, -}; - -/** - * USB charger types - * - * USB_INVALID_CHARGER Invalid USB charger. - * USB_SDP_CHARGER Standard downstream port. Refers to a downstream port - * on USB2.0 compliant host/hub. - * USB_DCP_CHARGER Dedicated charger port (AC charger/ Wall charger). - * USB_CDP_CHARGER Charging downstream port. Enumeration can happen and - * IDEV_CHG_MAX can be drawn irrespective of USB state. - * - */ -enum usb_chg_type { - USB_INVALID_CHARGER = 0, - USB_SDP_CHARGER, - USB_DCP_CHARGER, - USB_CDP_CHARGER, -}; - -/** - * struct msm_otg_platform_data - platform device data - * for msm_otg driver. - * @phy_init_seq: PHY configuration sequence values. Value of -1 is reserved as - * "do not overwrite default vaule at this address". - * @phy_init_sz: PHY configuration sequence size. - * @vbus_power: VBUS power on/off routine. - * @power_budget: VBUS power budget in mA (0 will be treated as 500mA). - * @mode: Supported mode (OTG/peripheral/host). - * @otg_control: OTG switch controlled by user/Id pin - */ -struct msm_otg_platform_data { - int *phy_init_seq; - int phy_init_sz; - void (*vbus_power)(bool on); - unsigned power_budget; - enum usb_dr_mode mode; - enum otg_control_type otg_control; - enum msm_usb_phy_type phy_type; - void (*setup_gpio)(enum usb_otg_state state); -}; - -/** - * struct msm_usb_cable - structure for exteternal connector cable - * state tracking - * @nb: hold event notification callback - * @conn: used for notification registration - */ -struct msm_usb_cable { - struct notifier_block nb; - struct extcon_dev *extcon; -}; - -/** - * struct msm_otg: OTG driver data. Shared by HCD and DCD. - * @otg: USB OTG Transceiver structure. - * @pdata: otg device platform data. - * @irq: IRQ number assigned for HSUSB controller. - * @clk: clock struct of usb_hs_clk. - * @pclk: clock struct of usb_hs_pclk. - * @core_clk: clock struct of usb_hs_core_clk. - * @regs: ioremapped register base address. - * @inputs: OTG state machine inputs(Id, SessValid etc). - * @sm_work: OTG state machine work. - * @in_lpm: indicates low power mode (LPM) state. - * @async_int: Async interrupt arrived. - * @cur_power: The amount of mA available from downstream port. - * @chg_work: Charger detection work. - * @chg_state: The state of charger detection process. - * @chg_type: The type of charger attached. - * @dcd_retires: The retry count used to track Data contact - * detection process. - * @manual_pullup: true if VBUS is not routed to USB controller/phy - * and controller driver therefore enables pull-up explicitly before - * starting controller using usbcmd run/stop bit. - * @vbus: VBUS signal state trakining, using extcon framework - * @id: ID signal state trakining, using extcon framework - * @switch_gpio: Descriptor for GPIO used to control external Dual - * SPDT USB Switch. - * @reboot: Used to inform the driver to route USB D+/D- line to Device - * connector - */ -struct msm_otg { - struct usb_phy phy; - struct msm_otg_platform_data *pdata; - int irq; - struct clk *clk; - struct clk *pclk; - struct clk *core_clk; - void __iomem *regs; -#define ID 0 -#define B_SESS_VLD 1 - unsigned long inputs; - struct work_struct sm_work; - atomic_t in_lpm; - int async_int; - unsigned cur_power; - int phy_number; - struct delayed_work chg_work; - enum usb_chg_state chg_state; - enum usb_chg_type chg_type; - u8 dcd_retries; - struct regulator *v3p3; - struct regulator *v1p8; - struct regulator *vddcx; - - struct reset_control *phy_rst; - struct reset_control *link_rst; - int vdd_levels[3]; - - bool manual_pullup; - - struct msm_usb_cable vbus; - struct msm_usb_cable id; - - struct gpio_desc *switch_gpio; - struct notifier_block reboot; -}; - -#endif diff --git a/include/linux/usb/musb.h b/include/linux/usb/musb.h index 0b3da40a525e..d315c8907869 100644 --- a/include/linux/usb/musb.h +++ b/include/linux/usb/musb.h @@ -142,10 +142,11 @@ enum musb_vbus_id_status { }; #if IS_ENABLED(CONFIG_USB_MUSB_HDRC) -void musb_mailbox(enum musb_vbus_id_status status); +int musb_mailbox(enum musb_vbus_id_status status); #else -static inline void musb_mailbox(enum musb_vbus_id_status status) +static inline int musb_mailbox(enum musb_vbus_id_status status) { + return 0; } #endif diff --git a/include/linux/usb/of.h b/include/linux/usb/of.h index de3237fce6b2..5ff9032ee1b4 100644 --- a/include/linux/usb/of.h +++ b/include/linux/usb/of.h @@ -12,7 +12,7 @@ #include <linux/usb/phy.h> #if IS_ENABLED(CONFIG_OF) -enum usb_dr_mode of_usb_get_dr_mode_by_phy(struct device_node *phy_np); +enum usb_dr_mode of_usb_get_dr_mode_by_phy(struct device_node *np, int arg0); bool of_usb_host_tpl_support(struct device_node *np); int of_usb_update_otg_caps(struct device_node *np, struct usb_otg_caps *otg_caps); @@ -20,7 +20,7 @@ struct device_node *usb_of_get_child_node(struct device_node *parent, int portnum); #else static inline enum usb_dr_mode -of_usb_get_dr_mode_by_phy(struct device_node *phy_np) +of_usb_get_dr_mode_by_phy(struct device_node *np, int arg0) { return USB_DR_MODE_UNKNOWN; } diff --git a/include/linux/usb/xhci_pdriver.h b/include/linux/usb/xhci_pdriver.h deleted file mode 100644 index 376654b5b0f7..000000000000 --- a/include/linux/usb/xhci_pdriver.h +++ /dev/null @@ -1,27 +0,0 @@ -/* - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY - * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License - * for more details. - * - */ - -#ifndef __USB_CORE_XHCI_PDRIVER_H -#define __USB_CORE_XHCI_PDRIVER_H - -/** - * struct usb_xhci_pdata - platform_data for generic xhci platform driver - * - * @usb3_lpm_capable: determines if this xhci platform supports USB3 - * LPM capability - * - */ -struct usb_xhci_pdata { - unsigned usb3_lpm_capable:1; -}; - -#endif /* __USB_CORE_XHCI_PDRIVER_H */ diff --git a/include/linux/vt_kern.h b/include/linux/vt_kern.h index 8d7634247fb4..6abd24f258bc 100644 --- a/include/linux/vt_kern.h +++ b/include/linux/vt_kern.h @@ -45,7 +45,7 @@ void poke_blanked_console(void); int con_font_op(struct vc_data *vc, struct console_font_op *op); int con_set_cmap(unsigned char __user *cmap); int con_get_cmap(unsigned char __user *cmap); -void scrollback(struct vc_data *vc, int lines); +void scrollback(struct vc_data *vc); void scrollfront(struct vc_data *vc, int lines); void clear_buffer_attributes(struct vc_data *vc); void update_region(struct vc_data *vc, unsigned long start, int count); @@ -59,14 +59,13 @@ int tioclinux(struct tty_struct *tty, unsigned long arg); #ifdef CONFIG_CONSOLE_TRANSLATIONS /* consolemap.c */ -struct unimapinit; struct unipair; int con_set_trans_old(unsigned char __user * table); int con_get_trans_old(unsigned char __user * table); int con_set_trans_new(unsigned short __user * table); int con_get_trans_new(unsigned short __user * table); -int con_clear_unimap(struct vc_data *vc, struct unimapinit *ui); +int con_clear_unimap(struct vc_data *vc); int con_set_unimap(struct vc_data *vc, ushort ct, struct unipair __user *list); int con_get_unimap(struct vc_data *vc, ushort ct, ushort __user *uct, struct unipair __user *list); int con_set_default_unimap(struct vc_data *vc); @@ -92,7 +91,7 @@ static inline int con_get_trans_new(unsigned short __user *table) { return -EINVAL; } -static inline int con_clear_unimap(struct vc_data *vc, struct unimapinit *ui) +static inline int con_clear_unimap(struct vc_data *vc) { return 0; } diff --git a/include/linux/vtime.h b/include/linux/vtime.h index fa2196990f84..aa9bfea8804a 100644 --- a/include/linux/vtime.h +++ b/include/linux/vtime.h @@ -12,11 +12,9 @@ struct task_struct; /* * vtime_accounting_cpu_enabled() definitions/declarations */ -#ifdef CONFIG_VIRT_CPU_ACCOUNTING_NATIVE +#if defined(CONFIG_VIRT_CPU_ACCOUNTING_NATIVE) static inline bool vtime_accounting_cpu_enabled(void) { return true; } -#endif /* CONFIG_VIRT_CPU_ACCOUNTING_NATIVE */ - -#ifdef CONFIG_VIRT_CPU_ACCOUNTING_GEN +#elif defined(CONFIG_VIRT_CPU_ACCOUNTING_GEN) /* * Checks if vtime is enabled on some CPU. Cputime readers want to be careful * in that case and compute the tickless cputime. @@ -37,11 +35,9 @@ static inline bool vtime_accounting_cpu_enabled(void) return false; } -#endif /* CONFIG_VIRT_CPU_ACCOUNTING_GEN */ - -#ifndef CONFIG_VIRT_CPU_ACCOUNTING +#else /* !CONFIG_VIRT_CPU_ACCOUNTING */ static inline bool vtime_accounting_cpu_enabled(void) { return false; } -#endif /* !CONFIG_VIRT_CPU_ACCOUNTING */ +#endif /* @@ -64,35 +60,15 @@ extern void vtime_account_system(struct task_struct *tsk); extern void vtime_account_idle(struct task_struct *tsk); extern void vtime_account_user(struct task_struct *tsk); -#ifdef __ARCH_HAS_VTIME_ACCOUNT -extern void vtime_account_irq_enter(struct task_struct *tsk); -#else -extern void vtime_common_account_irq_enter(struct task_struct *tsk); -static inline void vtime_account_irq_enter(struct task_struct *tsk) -{ - if (vtime_accounting_cpu_enabled()) - vtime_common_account_irq_enter(tsk); -} -#endif /* __ARCH_HAS_VTIME_ACCOUNT */ - #else /* !CONFIG_VIRT_CPU_ACCOUNTING */ static inline void vtime_task_switch(struct task_struct *prev) { } static inline void vtime_account_system(struct task_struct *tsk) { } static inline void vtime_account_user(struct task_struct *tsk) { } -static inline void vtime_account_irq_enter(struct task_struct *tsk) { } #endif /* !CONFIG_VIRT_CPU_ACCOUNTING */ #ifdef CONFIG_VIRT_CPU_ACCOUNTING_GEN extern void arch_vtime_task_switch(struct task_struct *tsk); -extern void vtime_gen_account_irq_exit(struct task_struct *tsk); - -static inline void vtime_account_irq_exit(struct task_struct *tsk) -{ - if (vtime_accounting_cpu_enabled()) - vtime_gen_account_irq_exit(tsk); -} - extern void vtime_user_enter(struct task_struct *tsk); static inline void vtime_user_exit(struct task_struct *tsk) @@ -103,11 +79,6 @@ extern void vtime_guest_enter(struct task_struct *tsk); extern void vtime_guest_exit(struct task_struct *tsk); extern void vtime_init_idle(struct task_struct *tsk, int cpu); #else /* !CONFIG_VIRT_CPU_ACCOUNTING_GEN */ -static inline void vtime_account_irq_exit(struct task_struct *tsk) -{ - /* On hard|softirq exit we always account to hard|softirq cputime */ - vtime_account_system(tsk); -} static inline void vtime_user_enter(struct task_struct *tsk) { } static inline void vtime_user_exit(struct task_struct *tsk) { } static inline void vtime_guest_enter(struct task_struct *tsk) { } @@ -115,6 +86,19 @@ static inline void vtime_guest_exit(struct task_struct *tsk) { } static inline void vtime_init_idle(struct task_struct *tsk, int cpu) { } #endif +#ifdef CONFIG_VIRT_CPU_ACCOUNTING_NATIVE +extern void vtime_account_irq_enter(struct task_struct *tsk); +static inline void vtime_account_irq_exit(struct task_struct *tsk) +{ + /* On hard|softirq exit we always account to hard|softirq cputime */ + vtime_account_system(tsk); +} +#else /* !CONFIG_VIRT_CPU_ACCOUNTING_NATIVE */ +static inline void vtime_account_irq_enter(struct task_struct *tsk) { } +static inline void vtime_account_irq_exit(struct task_struct *tsk) { } +#endif + + #ifdef CONFIG_IRQ_TIME_ACCOUNTING extern void irqtime_account_irq(struct task_struct *tsk); #else |