diff options
Diffstat (limited to 'include/linux')
125 files changed, 4040 insertions, 2108 deletions
diff --git a/include/linux/atalk.h b/include/linux/atalk.h index 23f805562f4e..5a90f28d5ff2 100644 --- a/include/linux/atalk.h +++ b/include/linux/atalk.h @@ -158,7 +158,7 @@ extern int sysctl_aarp_retransmit_limit; extern int sysctl_aarp_resolve_time; #ifdef CONFIG_SYSCTL -extern void atalk_register_sysctl(void); +extern int atalk_register_sysctl(void); extern void atalk_unregister_sysctl(void); #else #define atalk_register_sysctl() do { } while(0) diff --git a/include/linux/atomic-fallback.h b/include/linux/atomic-fallback.h new file mode 100644 index 000000000000..a7d240e465c0 --- /dev/null +++ b/include/linux/atomic-fallback.h @@ -0,0 +1,2295 @@ +// SPDX-License-Identifier: GPL-2.0 + +// Generated by scripts/atomic/gen-atomic-fallback.sh +// DO NOT MODIFY THIS FILE DIRECTLY + +#ifndef _LINUX_ATOMIC_FALLBACK_H +#define _LINUX_ATOMIC_FALLBACK_H + +#ifndef xchg_relaxed +#define xchg_relaxed xchg +#define xchg_acquire xchg +#define xchg_release xchg +#else /* xchg_relaxed */ + +#ifndef xchg_acquire +#define xchg_acquire(...) \ + __atomic_op_acquire(xchg, __VA_ARGS__) +#endif + +#ifndef xchg_release +#define xchg_release(...) \ + __atomic_op_release(xchg, __VA_ARGS__) +#endif + +#ifndef xchg +#define xchg(...) \ + __atomic_op_fence(xchg, __VA_ARGS__) +#endif + +#endif /* xchg_relaxed */ + +#ifndef cmpxchg_relaxed +#define cmpxchg_relaxed cmpxchg +#define cmpxchg_acquire cmpxchg +#define cmpxchg_release cmpxchg +#else /* cmpxchg_relaxed */ + +#ifndef cmpxchg_acquire +#define cmpxchg_acquire(...) \ + __atomic_op_acquire(cmpxchg, __VA_ARGS__) +#endif + +#ifndef cmpxchg_release +#define cmpxchg_release(...) \ + __atomic_op_release(cmpxchg, __VA_ARGS__) +#endif + +#ifndef cmpxchg +#define cmpxchg(...) \ + __atomic_op_fence(cmpxchg, __VA_ARGS__) +#endif + +#endif /* cmpxchg_relaxed */ + +#ifndef cmpxchg64_relaxed +#define cmpxchg64_relaxed cmpxchg64 +#define cmpxchg64_acquire cmpxchg64 +#define cmpxchg64_release cmpxchg64 +#else /* cmpxchg64_relaxed */ + +#ifndef cmpxchg64_acquire +#define cmpxchg64_acquire(...) \ + __atomic_op_acquire(cmpxchg64, __VA_ARGS__) +#endif + +#ifndef cmpxchg64_release +#define cmpxchg64_release(...) \ + __atomic_op_release(cmpxchg64, __VA_ARGS__) +#endif + +#ifndef cmpxchg64 +#define cmpxchg64(...) \ + __atomic_op_fence(cmpxchg64, __VA_ARGS__) +#endif + +#endif /* cmpxchg64_relaxed */ + +#ifndef atomic_read_acquire +static inline int +atomic_read_acquire(const atomic_t *v) +{ + return smp_load_acquire(&(v)->counter); +} +#define atomic_read_acquire atomic_read_acquire +#endif + +#ifndef atomic_set_release +static inline void +atomic_set_release(atomic_t *v, int i) +{ + smp_store_release(&(v)->counter, i); +} +#define atomic_set_release atomic_set_release +#endif + +#ifndef atomic_add_return_relaxed +#define atomic_add_return_acquire atomic_add_return +#define atomic_add_return_release atomic_add_return +#define atomic_add_return_relaxed atomic_add_return +#else /* atomic_add_return_relaxed */ + +#ifndef atomic_add_return_acquire +static inline int +atomic_add_return_acquire(int i, atomic_t *v) +{ + int ret = atomic_add_return_relaxed(i, v); + __atomic_acquire_fence(); + return ret; +} +#define atomic_add_return_acquire atomic_add_return_acquire +#endif + +#ifndef atomic_add_return_release +static inline int +atomic_add_return_release(int i, atomic_t *v) +{ + __atomic_release_fence(); + return atomic_add_return_relaxed(i, v); +} +#define atomic_add_return_release atomic_add_return_release +#endif + +#ifndef atomic_add_return +static inline int +atomic_add_return(int i, atomic_t *v) +{ + int ret; + __atomic_pre_full_fence(); + ret = atomic_add_return_relaxed(i, v); + __atomic_post_full_fence(); + return ret; +} +#define atomic_add_return atomic_add_return +#endif + +#endif /* atomic_add_return_relaxed */ + +#ifndef atomic_fetch_add_relaxed +#define atomic_fetch_add_acquire atomic_fetch_add +#define atomic_fetch_add_release atomic_fetch_add +#define atomic_fetch_add_relaxed atomic_fetch_add +#else /* atomic_fetch_add_relaxed */ + +#ifndef atomic_fetch_add_acquire +static inline int +atomic_fetch_add_acquire(int i, atomic_t *v) +{ + int ret = atomic_fetch_add_relaxed(i, v); + __atomic_acquire_fence(); + return ret; +} +#define atomic_fetch_add_acquire atomic_fetch_add_acquire +#endif + +#ifndef atomic_fetch_add_release +static inline int +atomic_fetch_add_release(int i, atomic_t *v) +{ + __atomic_release_fence(); + return atomic_fetch_add_relaxed(i, v); +} +#define atomic_fetch_add_release atomic_fetch_add_release +#endif + +#ifndef atomic_fetch_add +static inline int +atomic_fetch_add(int i, atomic_t *v) +{ + int ret; + __atomic_pre_full_fence(); + ret = atomic_fetch_add_relaxed(i, v); + __atomic_post_full_fence(); + return ret; +} +#define atomic_fetch_add atomic_fetch_add +#endif + +#endif /* atomic_fetch_add_relaxed */ + +#ifndef atomic_sub_return_relaxed +#define atomic_sub_return_acquire atomic_sub_return +#define atomic_sub_return_release atomic_sub_return +#define atomic_sub_return_relaxed atomic_sub_return +#else /* atomic_sub_return_relaxed */ + +#ifndef atomic_sub_return_acquire +static inline int +atomic_sub_return_acquire(int i, atomic_t *v) +{ + int ret = atomic_sub_return_relaxed(i, v); + __atomic_acquire_fence(); + return ret; +} +#define atomic_sub_return_acquire atomic_sub_return_acquire +#endif + +#ifndef atomic_sub_return_release +static inline int +atomic_sub_return_release(int i, atomic_t *v) +{ + __atomic_release_fence(); + return atomic_sub_return_relaxed(i, v); +} +#define atomic_sub_return_release atomic_sub_return_release +#endif + +#ifndef atomic_sub_return +static inline int +atomic_sub_return(int i, atomic_t *v) +{ + int ret; + __atomic_pre_full_fence(); + ret = atomic_sub_return_relaxed(i, v); + __atomic_post_full_fence(); + return ret; +} +#define atomic_sub_return atomic_sub_return +#endif + +#endif /* atomic_sub_return_relaxed */ + +#ifndef atomic_fetch_sub_relaxed +#define atomic_fetch_sub_acquire atomic_fetch_sub +#define atomic_fetch_sub_release atomic_fetch_sub +#define atomic_fetch_sub_relaxed atomic_fetch_sub +#else /* atomic_fetch_sub_relaxed */ + +#ifndef atomic_fetch_sub_acquire +static inline int +atomic_fetch_sub_acquire(int i, atomic_t *v) +{ + int ret = atomic_fetch_sub_relaxed(i, v); + __atomic_acquire_fence(); + return ret; +} +#define atomic_fetch_sub_acquire atomic_fetch_sub_acquire +#endif + +#ifndef atomic_fetch_sub_release +static inline int +atomic_fetch_sub_release(int i, atomic_t *v) +{ + __atomic_release_fence(); + return atomic_fetch_sub_relaxed(i, v); +} +#define atomic_fetch_sub_release atomic_fetch_sub_release +#endif + +#ifndef atomic_fetch_sub +static inline int +atomic_fetch_sub(int i, atomic_t *v) +{ + int ret; + __atomic_pre_full_fence(); + ret = atomic_fetch_sub_relaxed(i, v); + __atomic_post_full_fence(); + return ret; +} +#define atomic_fetch_sub atomic_fetch_sub +#endif + +#endif /* atomic_fetch_sub_relaxed */ + +#ifndef atomic_inc +static inline void +atomic_inc(atomic_t *v) +{ + atomic_add(1, v); +} +#define atomic_inc atomic_inc +#endif + +#ifndef atomic_inc_return_relaxed +#ifdef atomic_inc_return +#define atomic_inc_return_acquire atomic_inc_return +#define atomic_inc_return_release atomic_inc_return +#define atomic_inc_return_relaxed atomic_inc_return +#endif /* atomic_inc_return */ + +#ifndef atomic_inc_return +static inline int +atomic_inc_return(atomic_t *v) +{ + return atomic_add_return(1, v); +} +#define atomic_inc_return atomic_inc_return +#endif + +#ifndef atomic_inc_return_acquire +static inline int +atomic_inc_return_acquire(atomic_t *v) +{ + return atomic_add_return_acquire(1, v); +} +#define atomic_inc_return_acquire atomic_inc_return_acquire +#endif + +#ifndef atomic_inc_return_release +static inline int +atomic_inc_return_release(atomic_t *v) +{ + return atomic_add_return_release(1, v); +} +#define atomic_inc_return_release atomic_inc_return_release +#endif + +#ifndef atomic_inc_return_relaxed +static inline int +atomic_inc_return_relaxed(atomic_t *v) +{ + return atomic_add_return_relaxed(1, v); +} +#define atomic_inc_return_relaxed atomic_inc_return_relaxed +#endif + +#else /* atomic_inc_return_relaxed */ + +#ifndef atomic_inc_return_acquire +static inline int +atomic_inc_return_acquire(atomic_t *v) +{ + int ret = atomic_inc_return_relaxed(v); + __atomic_acquire_fence(); + return ret; +} +#define atomic_inc_return_acquire atomic_inc_return_acquire +#endif + +#ifndef atomic_inc_return_release +static inline int +atomic_inc_return_release(atomic_t *v) +{ + __atomic_release_fence(); + return atomic_inc_return_relaxed(v); +} +#define atomic_inc_return_release atomic_inc_return_release +#endif + +#ifndef atomic_inc_return +static inline int +atomic_inc_return(atomic_t *v) +{ + int ret; + __atomic_pre_full_fence(); + ret = atomic_inc_return_relaxed(v); + __atomic_post_full_fence(); + return ret; +} +#define atomic_inc_return atomic_inc_return +#endif + +#endif /* atomic_inc_return_relaxed */ + +#ifndef atomic_fetch_inc_relaxed +#ifdef atomic_fetch_inc +#define atomic_fetch_inc_acquire atomic_fetch_inc +#define atomic_fetch_inc_release atomic_fetch_inc +#define atomic_fetch_inc_relaxed atomic_fetch_inc +#endif /* atomic_fetch_inc */ + +#ifndef atomic_fetch_inc +static inline int +atomic_fetch_inc(atomic_t *v) +{ + return atomic_fetch_add(1, v); +} +#define atomic_fetch_inc atomic_fetch_inc +#endif + +#ifndef atomic_fetch_inc_acquire +static inline int +atomic_fetch_inc_acquire(atomic_t *v) +{ + return atomic_fetch_add_acquire(1, v); +} +#define atomic_fetch_inc_acquire atomic_fetch_inc_acquire +#endif + +#ifndef atomic_fetch_inc_release +static inline int +atomic_fetch_inc_release(atomic_t *v) +{ + return atomic_fetch_add_release(1, v); +} +#define atomic_fetch_inc_release atomic_fetch_inc_release +#endif + +#ifndef atomic_fetch_inc_relaxed +static inline int +atomic_fetch_inc_relaxed(atomic_t *v) +{ + return atomic_fetch_add_relaxed(1, v); +} +#define atomic_fetch_inc_relaxed atomic_fetch_inc_relaxed +#endif + +#else /* atomic_fetch_inc_relaxed */ + +#ifndef atomic_fetch_inc_acquire +static inline int +atomic_fetch_inc_acquire(atomic_t *v) +{ + int ret = atomic_fetch_inc_relaxed(v); + __atomic_acquire_fence(); + return ret; +} +#define atomic_fetch_inc_acquire atomic_fetch_inc_acquire +#endif + +#ifndef atomic_fetch_inc_release +static inline int +atomic_fetch_inc_release(atomic_t *v) +{ + __atomic_release_fence(); + return atomic_fetch_inc_relaxed(v); +} +#define atomic_fetch_inc_release atomic_fetch_inc_release +#endif + +#ifndef atomic_fetch_inc +static inline int +atomic_fetch_inc(atomic_t *v) +{ + int ret; + __atomic_pre_full_fence(); + ret = atomic_fetch_inc_relaxed(v); + __atomic_post_full_fence(); + return ret; +} +#define atomic_fetch_inc atomic_fetch_inc +#endif + +#endif /* atomic_fetch_inc_relaxed */ + +#ifndef atomic_dec +static inline void +atomic_dec(atomic_t *v) +{ + atomic_sub(1, v); +} +#define atomic_dec atomic_dec +#endif + +#ifndef atomic_dec_return_relaxed +#ifdef atomic_dec_return +#define atomic_dec_return_acquire atomic_dec_return +#define atomic_dec_return_release atomic_dec_return +#define atomic_dec_return_relaxed atomic_dec_return +#endif /* atomic_dec_return */ + +#ifndef atomic_dec_return +static inline int +atomic_dec_return(atomic_t *v) +{ + return atomic_sub_return(1, v); +} +#define atomic_dec_return atomic_dec_return +#endif + +#ifndef atomic_dec_return_acquire +static inline int +atomic_dec_return_acquire(atomic_t *v) +{ + return atomic_sub_return_acquire(1, v); +} +#define atomic_dec_return_acquire atomic_dec_return_acquire +#endif + +#ifndef atomic_dec_return_release +static inline int +atomic_dec_return_release(atomic_t *v) +{ + return atomic_sub_return_release(1, v); +} +#define atomic_dec_return_release atomic_dec_return_release +#endif + +#ifndef atomic_dec_return_relaxed +static inline int +atomic_dec_return_relaxed(atomic_t *v) +{ + return atomic_sub_return_relaxed(1, v); +} +#define atomic_dec_return_relaxed atomic_dec_return_relaxed +#endif + +#else /* atomic_dec_return_relaxed */ + +#ifndef atomic_dec_return_acquire +static inline int +atomic_dec_return_acquire(atomic_t *v) +{ + int ret = atomic_dec_return_relaxed(v); + __atomic_acquire_fence(); + return ret; +} +#define atomic_dec_return_acquire atomic_dec_return_acquire +#endif + +#ifndef atomic_dec_return_release +static inline int +atomic_dec_return_release(atomic_t *v) +{ + __atomic_release_fence(); + return atomic_dec_return_relaxed(v); +} +#define atomic_dec_return_release atomic_dec_return_release +#endif + +#ifndef atomic_dec_return +static inline int +atomic_dec_return(atomic_t *v) +{ + int ret; + __atomic_pre_full_fence(); + ret = atomic_dec_return_relaxed(v); + __atomic_post_full_fence(); + return ret; +} +#define atomic_dec_return atomic_dec_return +#endif + +#endif /* atomic_dec_return_relaxed */ + +#ifndef atomic_fetch_dec_relaxed +#ifdef atomic_fetch_dec +#define atomic_fetch_dec_acquire atomic_fetch_dec +#define atomic_fetch_dec_release atomic_fetch_dec +#define atomic_fetch_dec_relaxed atomic_fetch_dec +#endif /* atomic_fetch_dec */ + +#ifndef atomic_fetch_dec +static inline int +atomic_fetch_dec(atomic_t *v) +{ + return atomic_fetch_sub(1, v); +} +#define atomic_fetch_dec atomic_fetch_dec +#endif + +#ifndef atomic_fetch_dec_acquire +static inline int +atomic_fetch_dec_acquire(atomic_t *v) +{ + return atomic_fetch_sub_acquire(1, v); +} +#define atomic_fetch_dec_acquire atomic_fetch_dec_acquire +#endif + +#ifndef atomic_fetch_dec_release +static inline int +atomic_fetch_dec_release(atomic_t *v) +{ + return atomic_fetch_sub_release(1, v); +} +#define atomic_fetch_dec_release atomic_fetch_dec_release +#endif + +#ifndef atomic_fetch_dec_relaxed +static inline int +atomic_fetch_dec_relaxed(atomic_t *v) +{ + return atomic_fetch_sub_relaxed(1, v); +} +#define atomic_fetch_dec_relaxed atomic_fetch_dec_relaxed +#endif + +#else /* atomic_fetch_dec_relaxed */ + +#ifndef atomic_fetch_dec_acquire +static inline int +atomic_fetch_dec_acquire(atomic_t *v) +{ + int ret = atomic_fetch_dec_relaxed(v); + __atomic_acquire_fence(); + return ret; +} +#define atomic_fetch_dec_acquire atomic_fetch_dec_acquire +#endif + +#ifndef atomic_fetch_dec_release +static inline int +atomic_fetch_dec_release(atomic_t *v) +{ + __atomic_release_fence(); + return atomic_fetch_dec_relaxed(v); +} +#define atomic_fetch_dec_release atomic_fetch_dec_release +#endif + +#ifndef atomic_fetch_dec +static inline int +atomic_fetch_dec(atomic_t *v) +{ + int ret; + __atomic_pre_full_fence(); + ret = atomic_fetch_dec_relaxed(v); + __atomic_post_full_fence(); + return ret; +} +#define atomic_fetch_dec atomic_fetch_dec +#endif + +#endif /* atomic_fetch_dec_relaxed */ + +#ifndef atomic_fetch_and_relaxed +#define atomic_fetch_and_acquire atomic_fetch_and +#define atomic_fetch_and_release atomic_fetch_and +#define atomic_fetch_and_relaxed atomic_fetch_and +#else /* atomic_fetch_and_relaxed */ + +#ifndef atomic_fetch_and_acquire +static inline int +atomic_fetch_and_acquire(int i, atomic_t *v) +{ + int ret = atomic_fetch_and_relaxed(i, v); + __atomic_acquire_fence(); + return ret; +} +#define atomic_fetch_and_acquire atomic_fetch_and_acquire +#endif + +#ifndef atomic_fetch_and_release +static inline int +atomic_fetch_and_release(int i, atomic_t *v) +{ + __atomic_release_fence(); + return atomic_fetch_and_relaxed(i, v); +} +#define atomic_fetch_and_release atomic_fetch_and_release +#endif + +#ifndef atomic_fetch_and +static inline int +atomic_fetch_and(int i, atomic_t *v) +{ + int ret; + __atomic_pre_full_fence(); + ret = atomic_fetch_and_relaxed(i, v); + __atomic_post_full_fence(); + return ret; +} +#define atomic_fetch_and atomic_fetch_and +#endif + +#endif /* atomic_fetch_and_relaxed */ + +#ifndef atomic_andnot +static inline void +atomic_andnot(int i, atomic_t *v) +{ + atomic_and(~i, v); +} +#define atomic_andnot atomic_andnot +#endif + +#ifndef atomic_fetch_andnot_relaxed +#ifdef atomic_fetch_andnot +#define atomic_fetch_andnot_acquire atomic_fetch_andnot +#define atomic_fetch_andnot_release atomic_fetch_andnot +#define atomic_fetch_andnot_relaxed atomic_fetch_andnot +#endif /* atomic_fetch_andnot */ + +#ifndef atomic_fetch_andnot +static inline int +atomic_fetch_andnot(int i, atomic_t *v) +{ + return atomic_fetch_and(~i, v); +} +#define atomic_fetch_andnot atomic_fetch_andnot +#endif + +#ifndef atomic_fetch_andnot_acquire +static inline int +atomic_fetch_andnot_acquire(int i, atomic_t *v) +{ + return atomic_fetch_and_acquire(~i, v); +} +#define atomic_fetch_andnot_acquire atomic_fetch_andnot_acquire +#endif + +#ifndef atomic_fetch_andnot_release +static inline int +atomic_fetch_andnot_release(int i, atomic_t *v) +{ + return atomic_fetch_and_release(~i, v); +} +#define atomic_fetch_andnot_release atomic_fetch_andnot_release +#endif + +#ifndef atomic_fetch_andnot_relaxed +static inline int +atomic_fetch_andnot_relaxed(int i, atomic_t *v) +{ + return atomic_fetch_and_relaxed(~i, v); +} +#define atomic_fetch_andnot_relaxed atomic_fetch_andnot_relaxed +#endif + +#else /* atomic_fetch_andnot_relaxed */ + +#ifndef atomic_fetch_andnot_acquire +static inline int +atomic_fetch_andnot_acquire(int i, atomic_t *v) +{ + int ret = atomic_fetch_andnot_relaxed(i, v); + __atomic_acquire_fence(); + return ret; +} +#define atomic_fetch_andnot_acquire atomic_fetch_andnot_acquire +#endif + +#ifndef atomic_fetch_andnot_release +static inline int +atomic_fetch_andnot_release(int i, atomic_t *v) +{ + __atomic_release_fence(); + return atomic_fetch_andnot_relaxed(i, v); +} +#define atomic_fetch_andnot_release atomic_fetch_andnot_release +#endif + +#ifndef atomic_fetch_andnot +static inline int +atomic_fetch_andnot(int i, atomic_t *v) +{ + int ret; + __atomic_pre_full_fence(); + ret = atomic_fetch_andnot_relaxed(i, v); + __atomic_post_full_fence(); + return ret; +} +#define atomic_fetch_andnot atomic_fetch_andnot +#endif + +#endif /* atomic_fetch_andnot_relaxed */ + +#ifndef atomic_fetch_or_relaxed +#define atomic_fetch_or_acquire atomic_fetch_or +#define atomic_fetch_or_release atomic_fetch_or +#define atomic_fetch_or_relaxed atomic_fetch_or +#else /* atomic_fetch_or_relaxed */ + +#ifndef atomic_fetch_or_acquire +static inline int +atomic_fetch_or_acquire(int i, atomic_t *v) +{ + int ret = atomic_fetch_or_relaxed(i, v); + __atomic_acquire_fence(); + return ret; +} +#define atomic_fetch_or_acquire atomic_fetch_or_acquire +#endif + +#ifndef atomic_fetch_or_release +static inline int +atomic_fetch_or_release(int i, atomic_t *v) +{ + __atomic_release_fence(); + return atomic_fetch_or_relaxed(i, v); +} +#define atomic_fetch_or_release atomic_fetch_or_release +#endif + +#ifndef atomic_fetch_or +static inline int +atomic_fetch_or(int i, atomic_t *v) +{ + int ret; + __atomic_pre_full_fence(); + ret = atomic_fetch_or_relaxed(i, v); + __atomic_post_full_fence(); + return ret; +} +#define atomic_fetch_or atomic_fetch_or +#endif + +#endif /* atomic_fetch_or_relaxed */ + +#ifndef atomic_fetch_xor_relaxed +#define atomic_fetch_xor_acquire atomic_fetch_xor +#define atomic_fetch_xor_release atomic_fetch_xor +#define atomic_fetch_xor_relaxed atomic_fetch_xor +#else /* atomic_fetch_xor_relaxed */ + +#ifndef atomic_fetch_xor_acquire +static inline int +atomic_fetch_xor_acquire(int i, atomic_t *v) +{ + int ret = atomic_fetch_xor_relaxed(i, v); + __atomic_acquire_fence(); + return ret; +} +#define atomic_fetch_xor_acquire atomic_fetch_xor_acquire +#endif + +#ifndef atomic_fetch_xor_release +static inline int +atomic_fetch_xor_release(int i, atomic_t *v) +{ + __atomic_release_fence(); + return atomic_fetch_xor_relaxed(i, v); +} +#define atomic_fetch_xor_release atomic_fetch_xor_release +#endif + +#ifndef atomic_fetch_xor +static inline int +atomic_fetch_xor(int i, atomic_t *v) +{ + int ret; + __atomic_pre_full_fence(); + ret = atomic_fetch_xor_relaxed(i, v); + __atomic_post_full_fence(); + return ret; +} +#define atomic_fetch_xor atomic_fetch_xor +#endif + +#endif /* atomic_fetch_xor_relaxed */ + +#ifndef atomic_xchg_relaxed +#define atomic_xchg_acquire atomic_xchg +#define atomic_xchg_release atomic_xchg +#define atomic_xchg_relaxed atomic_xchg +#else /* atomic_xchg_relaxed */ + +#ifndef atomic_xchg_acquire +static inline int +atomic_xchg_acquire(atomic_t *v, int i) +{ + int ret = atomic_xchg_relaxed(v, i); + __atomic_acquire_fence(); + return ret; +} +#define atomic_xchg_acquire atomic_xchg_acquire +#endif + +#ifndef atomic_xchg_release +static inline int +atomic_xchg_release(atomic_t *v, int i) +{ + __atomic_release_fence(); + return atomic_xchg_relaxed(v, i); +} +#define atomic_xchg_release atomic_xchg_release +#endif + +#ifndef atomic_xchg +static inline int +atomic_xchg(atomic_t *v, int i) +{ + int ret; + __atomic_pre_full_fence(); + ret = atomic_xchg_relaxed(v, i); + __atomic_post_full_fence(); + return ret; +} +#define atomic_xchg atomic_xchg +#endif + +#endif /* atomic_xchg_relaxed */ + +#ifndef atomic_cmpxchg_relaxed +#define atomic_cmpxchg_acquire atomic_cmpxchg +#define atomic_cmpxchg_release atomic_cmpxchg +#define atomic_cmpxchg_relaxed atomic_cmpxchg +#else /* atomic_cmpxchg_relaxed */ + +#ifndef atomic_cmpxchg_acquire +static inline int +atomic_cmpxchg_acquire(atomic_t *v, int old, int new) +{ + int ret = atomic_cmpxchg_relaxed(v, old, new); + __atomic_acquire_fence(); + return ret; +} +#define atomic_cmpxchg_acquire atomic_cmpxchg_acquire +#endif + +#ifndef atomic_cmpxchg_release +static inline int +atomic_cmpxchg_release(atomic_t *v, int old, int new) +{ + __atomic_release_fence(); + return atomic_cmpxchg_relaxed(v, old, new); +} +#define atomic_cmpxchg_release atomic_cmpxchg_release +#endif + +#ifndef atomic_cmpxchg +static inline int +atomic_cmpxchg(atomic_t *v, int old, int new) +{ + int ret; + __atomic_pre_full_fence(); + ret = atomic_cmpxchg_relaxed(v, old, new); + __atomic_post_full_fence(); + return ret; +} +#define atomic_cmpxchg atomic_cmpxchg +#endif + +#endif /* atomic_cmpxchg_relaxed */ + +#ifndef atomic_try_cmpxchg_relaxed +#ifdef atomic_try_cmpxchg +#define atomic_try_cmpxchg_acquire atomic_try_cmpxchg +#define atomic_try_cmpxchg_release atomic_try_cmpxchg +#define atomic_try_cmpxchg_relaxed atomic_try_cmpxchg +#endif /* atomic_try_cmpxchg */ + +#ifndef atomic_try_cmpxchg +static inline bool +atomic_try_cmpxchg(atomic_t *v, int *old, int new) +{ + int r, o = *old; + r = atomic_cmpxchg(v, o, new); + if (unlikely(r != o)) + *old = r; + return likely(r == o); +} +#define atomic_try_cmpxchg atomic_try_cmpxchg +#endif + +#ifndef atomic_try_cmpxchg_acquire +static inline bool +atomic_try_cmpxchg_acquire(atomic_t *v, int *old, int new) +{ + int r, o = *old; + r = atomic_cmpxchg_acquire(v, o, new); + if (unlikely(r != o)) + *old = r; + return likely(r == o); +} +#define atomic_try_cmpxchg_acquire atomic_try_cmpxchg_acquire +#endif + +#ifndef atomic_try_cmpxchg_release +static inline bool +atomic_try_cmpxchg_release(atomic_t *v, int *old, int new) +{ + int r, o = *old; + r = atomic_cmpxchg_release(v, o, new); + if (unlikely(r != o)) + *old = r; + return likely(r == o); +} +#define atomic_try_cmpxchg_release atomic_try_cmpxchg_release +#endif + +#ifndef atomic_try_cmpxchg_relaxed +static inline bool +atomic_try_cmpxchg_relaxed(atomic_t *v, int *old, int new) +{ + int r, o = *old; + r = atomic_cmpxchg_relaxed(v, o, new); + if (unlikely(r != o)) + *old = r; + return likely(r == o); +} +#define atomic_try_cmpxchg_relaxed atomic_try_cmpxchg_relaxed +#endif + +#else /* atomic_try_cmpxchg_relaxed */ + +#ifndef atomic_try_cmpxchg_acquire +static inline bool +atomic_try_cmpxchg_acquire(atomic_t *v, int *old, int new) +{ + bool ret = atomic_try_cmpxchg_relaxed(v, old, new); + __atomic_acquire_fence(); + return ret; +} +#define atomic_try_cmpxchg_acquire atomic_try_cmpxchg_acquire +#endif + +#ifndef atomic_try_cmpxchg_release +static inline bool +atomic_try_cmpxchg_release(atomic_t *v, int *old, int new) +{ + __atomic_release_fence(); + return atomic_try_cmpxchg_relaxed(v, old, new); +} +#define atomic_try_cmpxchg_release atomic_try_cmpxchg_release +#endif + +#ifndef atomic_try_cmpxchg +static inline bool +atomic_try_cmpxchg(atomic_t *v, int *old, int new) +{ + bool ret; + __atomic_pre_full_fence(); + ret = atomic_try_cmpxchg_relaxed(v, old, new); + __atomic_post_full_fence(); + return ret; +} +#define atomic_try_cmpxchg atomic_try_cmpxchg +#endif + +#endif /* atomic_try_cmpxchg_relaxed */ + +#ifndef atomic_sub_and_test +/** + * atomic_sub_and_test - subtract value from variable and test result + * @i: integer value to subtract + * @v: pointer of type atomic_t + * + * Atomically subtracts @i from @v and returns + * true if the result is zero, or false for all + * other cases. + */ +static inline bool +atomic_sub_and_test(int i, atomic_t *v) +{ + return atomic_sub_return(i, v) == 0; +} +#define atomic_sub_and_test atomic_sub_and_test +#endif + +#ifndef atomic_dec_and_test +/** + * atomic_dec_and_test - decrement and test + * @v: pointer of type atomic_t + * + * Atomically decrements @v by 1 and + * returns true if the result is 0, or false for all other + * cases. + */ +static inline bool +atomic_dec_and_test(atomic_t *v) +{ + return atomic_dec_return(v) == 0; +} +#define atomic_dec_and_test atomic_dec_and_test +#endif + +#ifndef atomic_inc_and_test +/** + * atomic_inc_and_test - increment and test + * @v: pointer of type atomic_t + * + * Atomically increments @v by 1 + * and returns true if the result is zero, or false for all + * other cases. + */ +static inline bool +atomic_inc_and_test(atomic_t *v) +{ + return atomic_inc_return(v) == 0; +} +#define atomic_inc_and_test atomic_inc_and_test +#endif + +#ifndef atomic_add_negative +/** + * atomic_add_negative - add and test if negative + * @i: integer value to add + * @v: pointer of type atomic_t + * + * Atomically adds @i to @v and returns true + * if the result is negative, or false when + * result is greater than or equal to zero. + */ +static inline bool +atomic_add_negative(int i, atomic_t *v) +{ + return atomic_add_return(i, v) < 0; +} +#define atomic_add_negative atomic_add_negative +#endif + +#ifndef atomic_fetch_add_unless +/** + * atomic_fetch_add_unless - add unless the number is already a given value + * @v: pointer of type atomic_t + * @a: the amount to add to v... + * @u: ...unless v is equal to u. + * + * Atomically adds @a to @v, so long as @v was not already @u. + * Returns original value of @v + */ +static inline int +atomic_fetch_add_unless(atomic_t *v, int a, int u) +{ + int c = atomic_read(v); + + do { + if (unlikely(c == u)) + break; + } while (!atomic_try_cmpxchg(v, &c, c + a)); + + return c; +} +#define atomic_fetch_add_unless atomic_fetch_add_unless +#endif + +#ifndef atomic_add_unless +/** + * atomic_add_unless - add unless the number is already a given value + * @v: pointer of type atomic_t + * @a: the amount to add to v... + * @u: ...unless v is equal to u. + * + * Atomically adds @a to @v, if @v was not already @u. + * Returns true if the addition was done. + */ +static inline bool +atomic_add_unless(atomic_t *v, int a, int u) +{ + return atomic_fetch_add_unless(v, a, u) != u; +} +#define atomic_add_unless atomic_add_unless +#endif + +#ifndef atomic_inc_not_zero +/** + * atomic_inc_not_zero - increment unless the number is zero + * @v: pointer of type atomic_t + * + * Atomically increments @v by 1, if @v is non-zero. + * Returns true if the increment was done. + */ +static inline bool +atomic_inc_not_zero(atomic_t *v) +{ + return atomic_add_unless(v, 1, 0); +} +#define atomic_inc_not_zero atomic_inc_not_zero +#endif + +#ifndef atomic_inc_unless_negative +static inline bool +atomic_inc_unless_negative(atomic_t *v) +{ + int c = atomic_read(v); + + do { + if (unlikely(c < 0)) + return false; + } while (!atomic_try_cmpxchg(v, &c, c + 1)); + + return true; +} +#define atomic_inc_unless_negative atomic_inc_unless_negative +#endif + +#ifndef atomic_dec_unless_positive +static inline bool +atomic_dec_unless_positive(atomic_t *v) +{ + int c = atomic_read(v); + + do { + if (unlikely(c > 0)) + return false; + } while (!atomic_try_cmpxchg(v, &c, c - 1)); + + return true; +} +#define atomic_dec_unless_positive atomic_dec_unless_positive +#endif + +#ifndef atomic_dec_if_positive +static inline int +atomic_dec_if_positive(atomic_t *v) +{ + int dec, c = atomic_read(v); + + do { + dec = c - 1; + if (unlikely(dec < 0)) + break; + } while (!atomic_try_cmpxchg(v, &c, dec)); + + return dec; +} +#define atomic_dec_if_positive atomic_dec_if_positive +#endif + +#define atomic_cond_read_acquire(v, c) smp_cond_load_acquire(&(v)->counter, (c)) +#define atomic_cond_read_relaxed(v, c) smp_cond_load_relaxed(&(v)->counter, (c)) + +#ifdef CONFIG_GENERIC_ATOMIC64 +#include <asm-generic/atomic64.h> +#endif + +#ifndef atomic64_read_acquire +static inline s64 +atomic64_read_acquire(const atomic64_t *v) +{ + return smp_load_acquire(&(v)->counter); +} +#define atomic64_read_acquire atomic64_read_acquire +#endif + +#ifndef atomic64_set_release +static inline void +atomic64_set_release(atomic64_t *v, s64 i) +{ + smp_store_release(&(v)->counter, i); +} +#define atomic64_set_release atomic64_set_release +#endif + +#ifndef atomic64_add_return_relaxed +#define atomic64_add_return_acquire atomic64_add_return +#define atomic64_add_return_release atomic64_add_return +#define atomic64_add_return_relaxed atomic64_add_return +#else /* atomic64_add_return_relaxed */ + +#ifndef atomic64_add_return_acquire +static inline s64 +atomic64_add_return_acquire(s64 i, atomic64_t *v) +{ + s64 ret = atomic64_add_return_relaxed(i, v); + __atomic_acquire_fence(); + return ret; +} +#define atomic64_add_return_acquire atomic64_add_return_acquire +#endif + +#ifndef atomic64_add_return_release +static inline s64 +atomic64_add_return_release(s64 i, atomic64_t *v) +{ + __atomic_release_fence(); + return atomic64_add_return_relaxed(i, v); +} +#define atomic64_add_return_release atomic64_add_return_release +#endif + +#ifndef atomic64_add_return +static inline s64 +atomic64_add_return(s64 i, atomic64_t *v) +{ + s64 ret; + __atomic_pre_full_fence(); + ret = atomic64_add_return_relaxed(i, v); + __atomic_post_full_fence(); + return ret; +} +#define atomic64_add_return atomic64_add_return +#endif + +#endif /* atomic64_add_return_relaxed */ + +#ifndef atomic64_fetch_add_relaxed +#define atomic64_fetch_add_acquire atomic64_fetch_add +#define atomic64_fetch_add_release atomic64_fetch_add +#define atomic64_fetch_add_relaxed atomic64_fetch_add +#else /* atomic64_fetch_add_relaxed */ + +#ifndef atomic64_fetch_add_acquire +static inline s64 +atomic64_fetch_add_acquire(s64 i, atomic64_t *v) +{ + s64 ret = atomic64_fetch_add_relaxed(i, v); + __atomic_acquire_fence(); + return ret; +} +#define atomic64_fetch_add_acquire atomic64_fetch_add_acquire +#endif + +#ifndef atomic64_fetch_add_release +static inline s64 +atomic64_fetch_add_release(s64 i, atomic64_t *v) +{ + __atomic_release_fence(); + return atomic64_fetch_add_relaxed(i, v); +} +#define atomic64_fetch_add_release atomic64_fetch_add_release +#endif + +#ifndef atomic64_fetch_add +static inline s64 +atomic64_fetch_add(s64 i, atomic64_t *v) +{ + s64 ret; + __atomic_pre_full_fence(); + ret = atomic64_fetch_add_relaxed(i, v); + __atomic_post_full_fence(); + return ret; +} +#define atomic64_fetch_add atomic64_fetch_add +#endif + +#endif /* atomic64_fetch_add_relaxed */ + +#ifndef atomic64_sub_return_relaxed +#define atomic64_sub_return_acquire atomic64_sub_return +#define atomic64_sub_return_release atomic64_sub_return +#define atomic64_sub_return_relaxed atomic64_sub_return +#else /* atomic64_sub_return_relaxed */ + +#ifndef atomic64_sub_return_acquire +static inline s64 +atomic64_sub_return_acquire(s64 i, atomic64_t *v) +{ + s64 ret = atomic64_sub_return_relaxed(i, v); + __atomic_acquire_fence(); + return ret; +} +#define atomic64_sub_return_acquire atomic64_sub_return_acquire +#endif + +#ifndef atomic64_sub_return_release +static inline s64 +atomic64_sub_return_release(s64 i, atomic64_t *v) +{ + __atomic_release_fence(); + return atomic64_sub_return_relaxed(i, v); +} +#define atomic64_sub_return_release atomic64_sub_return_release +#endif + +#ifndef atomic64_sub_return +static inline s64 +atomic64_sub_return(s64 i, atomic64_t *v) +{ + s64 ret; + __atomic_pre_full_fence(); + ret = atomic64_sub_return_relaxed(i, v); + __atomic_post_full_fence(); + return ret; +} +#define atomic64_sub_return atomic64_sub_return +#endif + +#endif /* atomic64_sub_return_relaxed */ + +#ifndef atomic64_fetch_sub_relaxed +#define atomic64_fetch_sub_acquire atomic64_fetch_sub +#define atomic64_fetch_sub_release atomic64_fetch_sub +#define atomic64_fetch_sub_relaxed atomic64_fetch_sub +#else /* atomic64_fetch_sub_relaxed */ + +#ifndef atomic64_fetch_sub_acquire +static inline s64 +atomic64_fetch_sub_acquire(s64 i, atomic64_t *v) +{ + s64 ret = atomic64_fetch_sub_relaxed(i, v); + __atomic_acquire_fence(); + return ret; +} +#define atomic64_fetch_sub_acquire atomic64_fetch_sub_acquire +#endif + +#ifndef atomic64_fetch_sub_release +static inline s64 +atomic64_fetch_sub_release(s64 i, atomic64_t *v) +{ + __atomic_release_fence(); + return atomic64_fetch_sub_relaxed(i, v); +} +#define atomic64_fetch_sub_release atomic64_fetch_sub_release +#endif + +#ifndef atomic64_fetch_sub +static inline s64 +atomic64_fetch_sub(s64 i, atomic64_t *v) +{ + s64 ret; + __atomic_pre_full_fence(); + ret = atomic64_fetch_sub_relaxed(i, v); + __atomic_post_full_fence(); + return ret; +} +#define atomic64_fetch_sub atomic64_fetch_sub +#endif + +#endif /* atomic64_fetch_sub_relaxed */ + +#ifndef atomic64_inc +static inline void +atomic64_inc(atomic64_t *v) +{ + atomic64_add(1, v); +} +#define atomic64_inc atomic64_inc +#endif + +#ifndef atomic64_inc_return_relaxed +#ifdef atomic64_inc_return +#define atomic64_inc_return_acquire atomic64_inc_return +#define atomic64_inc_return_release atomic64_inc_return +#define atomic64_inc_return_relaxed atomic64_inc_return +#endif /* atomic64_inc_return */ + +#ifndef atomic64_inc_return +static inline s64 +atomic64_inc_return(atomic64_t *v) +{ + return atomic64_add_return(1, v); +} +#define atomic64_inc_return atomic64_inc_return +#endif + +#ifndef atomic64_inc_return_acquire +static inline s64 +atomic64_inc_return_acquire(atomic64_t *v) +{ + return atomic64_add_return_acquire(1, v); +} +#define atomic64_inc_return_acquire atomic64_inc_return_acquire +#endif + +#ifndef atomic64_inc_return_release +static inline s64 +atomic64_inc_return_release(atomic64_t *v) +{ + return atomic64_add_return_release(1, v); +} +#define atomic64_inc_return_release atomic64_inc_return_release +#endif + +#ifndef atomic64_inc_return_relaxed +static inline s64 +atomic64_inc_return_relaxed(atomic64_t *v) +{ + return atomic64_add_return_relaxed(1, v); +} +#define atomic64_inc_return_relaxed atomic64_inc_return_relaxed +#endif + +#else /* atomic64_inc_return_relaxed */ + +#ifndef atomic64_inc_return_acquire +static inline s64 +atomic64_inc_return_acquire(atomic64_t *v) +{ + s64 ret = atomic64_inc_return_relaxed(v); + __atomic_acquire_fence(); + return ret; +} +#define atomic64_inc_return_acquire atomic64_inc_return_acquire +#endif + +#ifndef atomic64_inc_return_release +static inline s64 +atomic64_inc_return_release(atomic64_t *v) +{ + __atomic_release_fence(); + return atomic64_inc_return_relaxed(v); +} +#define atomic64_inc_return_release atomic64_inc_return_release +#endif + +#ifndef atomic64_inc_return +static inline s64 +atomic64_inc_return(atomic64_t *v) +{ + s64 ret; + __atomic_pre_full_fence(); + ret = atomic64_inc_return_relaxed(v); + __atomic_post_full_fence(); + return ret; +} +#define atomic64_inc_return atomic64_inc_return +#endif + +#endif /* atomic64_inc_return_relaxed */ + +#ifndef atomic64_fetch_inc_relaxed +#ifdef atomic64_fetch_inc +#define atomic64_fetch_inc_acquire atomic64_fetch_inc +#define atomic64_fetch_inc_release atomic64_fetch_inc +#define atomic64_fetch_inc_relaxed atomic64_fetch_inc +#endif /* atomic64_fetch_inc */ + +#ifndef atomic64_fetch_inc +static inline s64 +atomic64_fetch_inc(atomic64_t *v) +{ + return atomic64_fetch_add(1, v); +} +#define atomic64_fetch_inc atomic64_fetch_inc +#endif + +#ifndef atomic64_fetch_inc_acquire +static inline s64 +atomic64_fetch_inc_acquire(atomic64_t *v) +{ + return atomic64_fetch_add_acquire(1, v); +} +#define atomic64_fetch_inc_acquire atomic64_fetch_inc_acquire +#endif + +#ifndef atomic64_fetch_inc_release +static inline s64 +atomic64_fetch_inc_release(atomic64_t *v) +{ + return atomic64_fetch_add_release(1, v); +} +#define atomic64_fetch_inc_release atomic64_fetch_inc_release +#endif + +#ifndef atomic64_fetch_inc_relaxed +static inline s64 +atomic64_fetch_inc_relaxed(atomic64_t *v) +{ + return atomic64_fetch_add_relaxed(1, v); +} +#define atomic64_fetch_inc_relaxed atomic64_fetch_inc_relaxed +#endif + +#else /* atomic64_fetch_inc_relaxed */ + +#ifndef atomic64_fetch_inc_acquire +static inline s64 +atomic64_fetch_inc_acquire(atomic64_t *v) +{ + s64 ret = atomic64_fetch_inc_relaxed(v); + __atomic_acquire_fence(); + return ret; +} +#define atomic64_fetch_inc_acquire atomic64_fetch_inc_acquire +#endif + +#ifndef atomic64_fetch_inc_release +static inline s64 +atomic64_fetch_inc_release(atomic64_t *v) +{ + __atomic_release_fence(); + return atomic64_fetch_inc_relaxed(v); +} +#define atomic64_fetch_inc_release atomic64_fetch_inc_release +#endif + +#ifndef atomic64_fetch_inc +static inline s64 +atomic64_fetch_inc(atomic64_t *v) +{ + s64 ret; + __atomic_pre_full_fence(); + ret = atomic64_fetch_inc_relaxed(v); + __atomic_post_full_fence(); + return ret; +} +#define atomic64_fetch_inc atomic64_fetch_inc +#endif + +#endif /* atomic64_fetch_inc_relaxed */ + +#ifndef atomic64_dec +static inline void +atomic64_dec(atomic64_t *v) +{ + atomic64_sub(1, v); +} +#define atomic64_dec atomic64_dec +#endif + +#ifndef atomic64_dec_return_relaxed +#ifdef atomic64_dec_return +#define atomic64_dec_return_acquire atomic64_dec_return +#define atomic64_dec_return_release atomic64_dec_return +#define atomic64_dec_return_relaxed atomic64_dec_return +#endif /* atomic64_dec_return */ + +#ifndef atomic64_dec_return +static inline s64 +atomic64_dec_return(atomic64_t *v) +{ + return atomic64_sub_return(1, v); +} +#define atomic64_dec_return atomic64_dec_return +#endif + +#ifndef atomic64_dec_return_acquire +static inline s64 +atomic64_dec_return_acquire(atomic64_t *v) +{ + return atomic64_sub_return_acquire(1, v); +} +#define atomic64_dec_return_acquire atomic64_dec_return_acquire +#endif + +#ifndef atomic64_dec_return_release +static inline s64 +atomic64_dec_return_release(atomic64_t *v) +{ + return atomic64_sub_return_release(1, v); +} +#define atomic64_dec_return_release atomic64_dec_return_release +#endif + +#ifndef atomic64_dec_return_relaxed +static inline s64 +atomic64_dec_return_relaxed(atomic64_t *v) +{ + return atomic64_sub_return_relaxed(1, v); +} +#define atomic64_dec_return_relaxed atomic64_dec_return_relaxed +#endif + +#else /* atomic64_dec_return_relaxed */ + +#ifndef atomic64_dec_return_acquire +static inline s64 +atomic64_dec_return_acquire(atomic64_t *v) +{ + s64 ret = atomic64_dec_return_relaxed(v); + __atomic_acquire_fence(); + return ret; +} +#define atomic64_dec_return_acquire atomic64_dec_return_acquire +#endif + +#ifndef atomic64_dec_return_release +static inline s64 +atomic64_dec_return_release(atomic64_t *v) +{ + __atomic_release_fence(); + return atomic64_dec_return_relaxed(v); +} +#define atomic64_dec_return_release atomic64_dec_return_release +#endif + +#ifndef atomic64_dec_return +static inline s64 +atomic64_dec_return(atomic64_t *v) +{ + s64 ret; + __atomic_pre_full_fence(); + ret = atomic64_dec_return_relaxed(v); + __atomic_post_full_fence(); + return ret; +} +#define atomic64_dec_return atomic64_dec_return +#endif + +#endif /* atomic64_dec_return_relaxed */ + +#ifndef atomic64_fetch_dec_relaxed +#ifdef atomic64_fetch_dec +#define atomic64_fetch_dec_acquire atomic64_fetch_dec +#define atomic64_fetch_dec_release atomic64_fetch_dec +#define atomic64_fetch_dec_relaxed atomic64_fetch_dec +#endif /* atomic64_fetch_dec */ + +#ifndef atomic64_fetch_dec +static inline s64 +atomic64_fetch_dec(atomic64_t *v) +{ + return atomic64_fetch_sub(1, v); +} +#define atomic64_fetch_dec atomic64_fetch_dec +#endif + +#ifndef atomic64_fetch_dec_acquire +static inline s64 +atomic64_fetch_dec_acquire(atomic64_t *v) +{ + return atomic64_fetch_sub_acquire(1, v); +} +#define atomic64_fetch_dec_acquire atomic64_fetch_dec_acquire +#endif + +#ifndef atomic64_fetch_dec_release +static inline s64 +atomic64_fetch_dec_release(atomic64_t *v) +{ + return atomic64_fetch_sub_release(1, v); +} +#define atomic64_fetch_dec_release atomic64_fetch_dec_release +#endif + +#ifndef atomic64_fetch_dec_relaxed +static inline s64 +atomic64_fetch_dec_relaxed(atomic64_t *v) +{ + return atomic64_fetch_sub_relaxed(1, v); +} +#define atomic64_fetch_dec_relaxed atomic64_fetch_dec_relaxed +#endif + +#else /* atomic64_fetch_dec_relaxed */ + +#ifndef atomic64_fetch_dec_acquire +static inline s64 +atomic64_fetch_dec_acquire(atomic64_t *v) +{ + s64 ret = atomic64_fetch_dec_relaxed(v); + __atomic_acquire_fence(); + return ret; +} +#define atomic64_fetch_dec_acquire atomic64_fetch_dec_acquire +#endif + +#ifndef atomic64_fetch_dec_release +static inline s64 +atomic64_fetch_dec_release(atomic64_t *v) +{ + __atomic_release_fence(); + return atomic64_fetch_dec_relaxed(v); +} +#define atomic64_fetch_dec_release atomic64_fetch_dec_release +#endif + +#ifndef atomic64_fetch_dec +static inline s64 +atomic64_fetch_dec(atomic64_t *v) +{ + s64 ret; + __atomic_pre_full_fence(); + ret = atomic64_fetch_dec_relaxed(v); + __atomic_post_full_fence(); + return ret; +} +#define atomic64_fetch_dec atomic64_fetch_dec +#endif + +#endif /* atomic64_fetch_dec_relaxed */ + +#ifndef atomic64_fetch_and_relaxed +#define atomic64_fetch_and_acquire atomic64_fetch_and +#define atomic64_fetch_and_release atomic64_fetch_and +#define atomic64_fetch_and_relaxed atomic64_fetch_and +#else /* atomic64_fetch_and_relaxed */ + +#ifndef atomic64_fetch_and_acquire +static inline s64 +atomic64_fetch_and_acquire(s64 i, atomic64_t *v) +{ + s64 ret = atomic64_fetch_and_relaxed(i, v); + __atomic_acquire_fence(); + return ret; +} +#define atomic64_fetch_and_acquire atomic64_fetch_and_acquire +#endif + +#ifndef atomic64_fetch_and_release +static inline s64 +atomic64_fetch_and_release(s64 i, atomic64_t *v) +{ + __atomic_release_fence(); + return atomic64_fetch_and_relaxed(i, v); +} +#define atomic64_fetch_and_release atomic64_fetch_and_release +#endif + +#ifndef atomic64_fetch_and +static inline s64 +atomic64_fetch_and(s64 i, atomic64_t *v) +{ + s64 ret; + __atomic_pre_full_fence(); + ret = atomic64_fetch_and_relaxed(i, v); + __atomic_post_full_fence(); + return ret; +} +#define atomic64_fetch_and atomic64_fetch_and +#endif + +#endif /* atomic64_fetch_and_relaxed */ + +#ifndef atomic64_andnot +static inline void +atomic64_andnot(s64 i, atomic64_t *v) +{ + atomic64_and(~i, v); +} +#define atomic64_andnot atomic64_andnot +#endif + +#ifndef atomic64_fetch_andnot_relaxed +#ifdef atomic64_fetch_andnot +#define atomic64_fetch_andnot_acquire atomic64_fetch_andnot +#define atomic64_fetch_andnot_release atomic64_fetch_andnot +#define atomic64_fetch_andnot_relaxed atomic64_fetch_andnot +#endif /* atomic64_fetch_andnot */ + +#ifndef atomic64_fetch_andnot +static inline s64 +atomic64_fetch_andnot(s64 i, atomic64_t *v) +{ + return atomic64_fetch_and(~i, v); +} +#define atomic64_fetch_andnot atomic64_fetch_andnot +#endif + +#ifndef atomic64_fetch_andnot_acquire +static inline s64 +atomic64_fetch_andnot_acquire(s64 i, atomic64_t *v) +{ + return atomic64_fetch_and_acquire(~i, v); +} +#define atomic64_fetch_andnot_acquire atomic64_fetch_andnot_acquire +#endif + +#ifndef atomic64_fetch_andnot_release +static inline s64 +atomic64_fetch_andnot_release(s64 i, atomic64_t *v) +{ + return atomic64_fetch_and_release(~i, v); +} +#define atomic64_fetch_andnot_release atomic64_fetch_andnot_release +#endif + +#ifndef atomic64_fetch_andnot_relaxed +static inline s64 +atomic64_fetch_andnot_relaxed(s64 i, atomic64_t *v) +{ + return atomic64_fetch_and_relaxed(~i, v); +} +#define atomic64_fetch_andnot_relaxed atomic64_fetch_andnot_relaxed +#endif + +#else /* atomic64_fetch_andnot_relaxed */ + +#ifndef atomic64_fetch_andnot_acquire +static inline s64 +atomic64_fetch_andnot_acquire(s64 i, atomic64_t *v) +{ + s64 ret = atomic64_fetch_andnot_relaxed(i, v); + __atomic_acquire_fence(); + return ret; +} +#define atomic64_fetch_andnot_acquire atomic64_fetch_andnot_acquire +#endif + +#ifndef atomic64_fetch_andnot_release +static inline s64 +atomic64_fetch_andnot_release(s64 i, atomic64_t *v) +{ + __atomic_release_fence(); + return atomic64_fetch_andnot_relaxed(i, v); +} +#define atomic64_fetch_andnot_release atomic64_fetch_andnot_release +#endif + +#ifndef atomic64_fetch_andnot +static inline s64 +atomic64_fetch_andnot(s64 i, atomic64_t *v) +{ + s64 ret; + __atomic_pre_full_fence(); + ret = atomic64_fetch_andnot_relaxed(i, v); + __atomic_post_full_fence(); + return ret; +} +#define atomic64_fetch_andnot atomic64_fetch_andnot +#endif + +#endif /* atomic64_fetch_andnot_relaxed */ + +#ifndef atomic64_fetch_or_relaxed +#define atomic64_fetch_or_acquire atomic64_fetch_or +#define atomic64_fetch_or_release atomic64_fetch_or +#define atomic64_fetch_or_relaxed atomic64_fetch_or +#else /* atomic64_fetch_or_relaxed */ + +#ifndef atomic64_fetch_or_acquire +static inline s64 +atomic64_fetch_or_acquire(s64 i, atomic64_t *v) +{ + s64 ret = atomic64_fetch_or_relaxed(i, v); + __atomic_acquire_fence(); + return ret; +} +#define atomic64_fetch_or_acquire atomic64_fetch_or_acquire +#endif + +#ifndef atomic64_fetch_or_release +static inline s64 +atomic64_fetch_or_release(s64 i, atomic64_t *v) +{ + __atomic_release_fence(); + return atomic64_fetch_or_relaxed(i, v); +} +#define atomic64_fetch_or_release atomic64_fetch_or_release +#endif + +#ifndef atomic64_fetch_or +static inline s64 +atomic64_fetch_or(s64 i, atomic64_t *v) +{ + s64 ret; + __atomic_pre_full_fence(); + ret = atomic64_fetch_or_relaxed(i, v); + __atomic_post_full_fence(); + return ret; +} +#define atomic64_fetch_or atomic64_fetch_or +#endif + +#endif /* atomic64_fetch_or_relaxed */ + +#ifndef atomic64_fetch_xor_relaxed +#define atomic64_fetch_xor_acquire atomic64_fetch_xor +#define atomic64_fetch_xor_release atomic64_fetch_xor +#define atomic64_fetch_xor_relaxed atomic64_fetch_xor +#else /* atomic64_fetch_xor_relaxed */ + +#ifndef atomic64_fetch_xor_acquire +static inline s64 +atomic64_fetch_xor_acquire(s64 i, atomic64_t *v) +{ + s64 ret = atomic64_fetch_xor_relaxed(i, v); + __atomic_acquire_fence(); + return ret; +} +#define atomic64_fetch_xor_acquire atomic64_fetch_xor_acquire +#endif + +#ifndef atomic64_fetch_xor_release +static inline s64 +atomic64_fetch_xor_release(s64 i, atomic64_t *v) +{ + __atomic_release_fence(); + return atomic64_fetch_xor_relaxed(i, v); +} +#define atomic64_fetch_xor_release atomic64_fetch_xor_release +#endif + +#ifndef atomic64_fetch_xor +static inline s64 +atomic64_fetch_xor(s64 i, atomic64_t *v) +{ + s64 ret; + __atomic_pre_full_fence(); + ret = atomic64_fetch_xor_relaxed(i, v); + __atomic_post_full_fence(); + return ret; +} +#define atomic64_fetch_xor atomic64_fetch_xor +#endif + +#endif /* atomic64_fetch_xor_relaxed */ + +#ifndef atomic64_xchg_relaxed +#define atomic64_xchg_acquire atomic64_xchg +#define atomic64_xchg_release atomic64_xchg +#define atomic64_xchg_relaxed atomic64_xchg +#else /* atomic64_xchg_relaxed */ + +#ifndef atomic64_xchg_acquire +static inline s64 +atomic64_xchg_acquire(atomic64_t *v, s64 i) +{ + s64 ret = atomic64_xchg_relaxed(v, i); + __atomic_acquire_fence(); + return ret; +} +#define atomic64_xchg_acquire atomic64_xchg_acquire +#endif + +#ifndef atomic64_xchg_release +static inline s64 +atomic64_xchg_release(atomic64_t *v, s64 i) +{ + __atomic_release_fence(); + return atomic64_xchg_relaxed(v, i); +} +#define atomic64_xchg_release atomic64_xchg_release +#endif + +#ifndef atomic64_xchg +static inline s64 +atomic64_xchg(atomic64_t *v, s64 i) +{ + s64 ret; + __atomic_pre_full_fence(); + ret = atomic64_xchg_relaxed(v, i); + __atomic_post_full_fence(); + return ret; +} +#define atomic64_xchg atomic64_xchg +#endif + +#endif /* atomic64_xchg_relaxed */ + +#ifndef atomic64_cmpxchg_relaxed +#define atomic64_cmpxchg_acquire atomic64_cmpxchg +#define atomic64_cmpxchg_release atomic64_cmpxchg +#define atomic64_cmpxchg_relaxed atomic64_cmpxchg +#else /* atomic64_cmpxchg_relaxed */ + +#ifndef atomic64_cmpxchg_acquire +static inline s64 +atomic64_cmpxchg_acquire(atomic64_t *v, s64 old, s64 new) +{ + s64 ret = atomic64_cmpxchg_relaxed(v, old, new); + __atomic_acquire_fence(); + return ret; +} +#define atomic64_cmpxchg_acquire atomic64_cmpxchg_acquire +#endif + +#ifndef atomic64_cmpxchg_release +static inline s64 +atomic64_cmpxchg_release(atomic64_t *v, s64 old, s64 new) +{ + __atomic_release_fence(); + return atomic64_cmpxchg_relaxed(v, old, new); +} +#define atomic64_cmpxchg_release atomic64_cmpxchg_release +#endif + +#ifndef atomic64_cmpxchg +static inline s64 +atomic64_cmpxchg(atomic64_t *v, s64 old, s64 new) +{ + s64 ret; + __atomic_pre_full_fence(); + ret = atomic64_cmpxchg_relaxed(v, old, new); + __atomic_post_full_fence(); + return ret; +} +#define atomic64_cmpxchg atomic64_cmpxchg +#endif + +#endif /* atomic64_cmpxchg_relaxed */ + +#ifndef atomic64_try_cmpxchg_relaxed +#ifdef atomic64_try_cmpxchg +#define atomic64_try_cmpxchg_acquire atomic64_try_cmpxchg +#define atomic64_try_cmpxchg_release atomic64_try_cmpxchg +#define atomic64_try_cmpxchg_relaxed atomic64_try_cmpxchg +#endif /* atomic64_try_cmpxchg */ + +#ifndef atomic64_try_cmpxchg +static inline bool +atomic64_try_cmpxchg(atomic64_t *v, s64 *old, s64 new) +{ + s64 r, o = *old; + r = atomic64_cmpxchg(v, o, new); + if (unlikely(r != o)) + *old = r; + return likely(r == o); +} +#define atomic64_try_cmpxchg atomic64_try_cmpxchg +#endif + +#ifndef atomic64_try_cmpxchg_acquire +static inline bool +atomic64_try_cmpxchg_acquire(atomic64_t *v, s64 *old, s64 new) +{ + s64 r, o = *old; + r = atomic64_cmpxchg_acquire(v, o, new); + if (unlikely(r != o)) + *old = r; + return likely(r == o); +} +#define atomic64_try_cmpxchg_acquire atomic64_try_cmpxchg_acquire +#endif + +#ifndef atomic64_try_cmpxchg_release +static inline bool +atomic64_try_cmpxchg_release(atomic64_t *v, s64 *old, s64 new) +{ + s64 r, o = *old; + r = atomic64_cmpxchg_release(v, o, new); + if (unlikely(r != o)) + *old = r; + return likely(r == o); +} +#define atomic64_try_cmpxchg_release atomic64_try_cmpxchg_release +#endif + +#ifndef atomic64_try_cmpxchg_relaxed +static inline bool +atomic64_try_cmpxchg_relaxed(atomic64_t *v, s64 *old, s64 new) +{ + s64 r, o = *old; + r = atomic64_cmpxchg_relaxed(v, o, new); + if (unlikely(r != o)) + *old = r; + return likely(r == o); +} +#define atomic64_try_cmpxchg_relaxed atomic64_try_cmpxchg_relaxed +#endif + +#else /* atomic64_try_cmpxchg_relaxed */ + +#ifndef atomic64_try_cmpxchg_acquire +static inline bool +atomic64_try_cmpxchg_acquire(atomic64_t *v, s64 *old, s64 new) +{ + bool ret = atomic64_try_cmpxchg_relaxed(v, old, new); + __atomic_acquire_fence(); + return ret; +} +#define atomic64_try_cmpxchg_acquire atomic64_try_cmpxchg_acquire +#endif + +#ifndef atomic64_try_cmpxchg_release +static inline bool +atomic64_try_cmpxchg_release(atomic64_t *v, s64 *old, s64 new) +{ + __atomic_release_fence(); + return atomic64_try_cmpxchg_relaxed(v, old, new); +} +#define atomic64_try_cmpxchg_release atomic64_try_cmpxchg_release +#endif + +#ifndef atomic64_try_cmpxchg +static inline bool +atomic64_try_cmpxchg(atomic64_t *v, s64 *old, s64 new) +{ + bool ret; + __atomic_pre_full_fence(); + ret = atomic64_try_cmpxchg_relaxed(v, old, new); + __atomic_post_full_fence(); + return ret; +} +#define atomic64_try_cmpxchg atomic64_try_cmpxchg +#endif + +#endif /* atomic64_try_cmpxchg_relaxed */ + +#ifndef atomic64_sub_and_test +/** + * atomic64_sub_and_test - subtract value from variable and test result + * @i: integer value to subtract + * @v: pointer of type atomic64_t + * + * Atomically subtracts @i from @v and returns + * true if the result is zero, or false for all + * other cases. + */ +static inline bool +atomic64_sub_and_test(s64 i, atomic64_t *v) +{ + return atomic64_sub_return(i, v) == 0; +} +#define atomic64_sub_and_test atomic64_sub_and_test +#endif + +#ifndef atomic64_dec_and_test +/** + * atomic64_dec_and_test - decrement and test + * @v: pointer of type atomic64_t + * + * Atomically decrements @v by 1 and + * returns true if the result is 0, or false for all other + * cases. + */ +static inline bool +atomic64_dec_and_test(atomic64_t *v) +{ + return atomic64_dec_return(v) == 0; +} +#define atomic64_dec_and_test atomic64_dec_and_test +#endif + +#ifndef atomic64_inc_and_test +/** + * atomic64_inc_and_test - increment and test + * @v: pointer of type atomic64_t + * + * Atomically increments @v by 1 + * and returns true if the result is zero, or false for all + * other cases. + */ +static inline bool +atomic64_inc_and_test(atomic64_t *v) +{ + return atomic64_inc_return(v) == 0; +} +#define atomic64_inc_and_test atomic64_inc_and_test +#endif + +#ifndef atomic64_add_negative +/** + * atomic64_add_negative - add and test if negative + * @i: integer value to add + * @v: pointer of type atomic64_t + * + * Atomically adds @i to @v and returns true + * if the result is negative, or false when + * result is greater than or equal to zero. + */ +static inline bool +atomic64_add_negative(s64 i, atomic64_t *v) +{ + return atomic64_add_return(i, v) < 0; +} +#define atomic64_add_negative atomic64_add_negative +#endif + +#ifndef atomic64_fetch_add_unless +/** + * atomic64_fetch_add_unless - add unless the number is already a given value + * @v: pointer of type atomic64_t + * @a: the amount to add to v... + * @u: ...unless v is equal to u. + * + * Atomically adds @a to @v, so long as @v was not already @u. + * Returns original value of @v + */ +static inline s64 +atomic64_fetch_add_unless(atomic64_t *v, s64 a, s64 u) +{ + s64 c = atomic64_read(v); + + do { + if (unlikely(c == u)) + break; + } while (!atomic64_try_cmpxchg(v, &c, c + a)); + + return c; +} +#define atomic64_fetch_add_unless atomic64_fetch_add_unless +#endif + +#ifndef atomic64_add_unless +/** + * atomic64_add_unless - add unless the number is already a given value + * @v: pointer of type atomic64_t + * @a: the amount to add to v... + * @u: ...unless v is equal to u. + * + * Atomically adds @a to @v, if @v was not already @u. + * Returns true if the addition was done. + */ +static inline bool +atomic64_add_unless(atomic64_t *v, s64 a, s64 u) +{ + return atomic64_fetch_add_unless(v, a, u) != u; +} +#define atomic64_add_unless atomic64_add_unless +#endif + +#ifndef atomic64_inc_not_zero +/** + * atomic64_inc_not_zero - increment unless the number is zero + * @v: pointer of type atomic64_t + * + * Atomically increments @v by 1, if @v is non-zero. + * Returns true if the increment was done. + */ +static inline bool +atomic64_inc_not_zero(atomic64_t *v) +{ + return atomic64_add_unless(v, 1, 0); +} +#define atomic64_inc_not_zero atomic64_inc_not_zero +#endif + +#ifndef atomic64_inc_unless_negative +static inline bool +atomic64_inc_unless_negative(atomic64_t *v) +{ + s64 c = atomic64_read(v); + + do { + if (unlikely(c < 0)) + return false; + } while (!atomic64_try_cmpxchg(v, &c, c + 1)); + + return true; +} +#define atomic64_inc_unless_negative atomic64_inc_unless_negative +#endif + +#ifndef atomic64_dec_unless_positive +static inline bool +atomic64_dec_unless_positive(atomic64_t *v) +{ + s64 c = atomic64_read(v); + + do { + if (unlikely(c > 0)) + return false; + } while (!atomic64_try_cmpxchg(v, &c, c - 1)); + + return true; +} +#define atomic64_dec_unless_positive atomic64_dec_unless_positive +#endif + +#ifndef atomic64_dec_if_positive +static inline s64 +atomic64_dec_if_positive(atomic64_t *v) +{ + s64 dec, c = atomic64_read(v); + + do { + dec = c - 1; + if (unlikely(dec < 0)) + break; + } while (!atomic64_try_cmpxchg(v, &c, dec)); + + return dec; +} +#define atomic64_dec_if_positive atomic64_dec_if_positive +#endif + +#define atomic64_cond_read_acquire(v, c) smp_cond_load_acquire(&(v)->counter, (c)) +#define atomic64_cond_read_relaxed(v, c) smp_cond_load_relaxed(&(v)->counter, (c)) + +#endif /* _LINUX_ATOMIC_FALLBACK_H */ +// 25de4a2804d70f57e994fe3b419148658bb5378a diff --git a/include/linux/atomic.h b/include/linux/atomic.h index 1e8e88bdaf09..4c0d009a46f0 100644 --- a/include/linux/atomic.h +++ b/include/linux/atomic.h @@ -25,14 +25,6 @@ * See Documentation/memory-barriers.txt for ACQUIRE/RELEASE definitions. */ -#ifndef atomic_read_acquire -#define atomic_read_acquire(v) smp_load_acquire(&(v)->counter) -#endif - -#ifndef atomic_set_release -#define atomic_set_release(v, i) smp_store_release(&(v)->counter, (i)) -#endif - /* * The idea here is to build acquire/release variants by adding explicit * barriers on top of the relaxed variant. In the case where the relaxed @@ -79,1238 +71,7 @@ __ret; \ }) -/* atomic_add_return_relaxed */ -#ifndef atomic_add_return_relaxed -#define atomic_add_return_relaxed atomic_add_return -#define atomic_add_return_acquire atomic_add_return -#define atomic_add_return_release atomic_add_return - -#else /* atomic_add_return_relaxed */ - -#ifndef atomic_add_return_acquire -#define atomic_add_return_acquire(...) \ - __atomic_op_acquire(atomic_add_return, __VA_ARGS__) -#endif - -#ifndef atomic_add_return_release -#define atomic_add_return_release(...) \ - __atomic_op_release(atomic_add_return, __VA_ARGS__) -#endif - -#ifndef atomic_add_return -#define atomic_add_return(...) \ - __atomic_op_fence(atomic_add_return, __VA_ARGS__) -#endif -#endif /* atomic_add_return_relaxed */ - -#ifndef atomic_inc -#define atomic_inc(v) atomic_add(1, (v)) -#endif - -/* atomic_inc_return_relaxed */ -#ifndef atomic_inc_return_relaxed - -#ifndef atomic_inc_return -#define atomic_inc_return(v) atomic_add_return(1, (v)) -#define atomic_inc_return_relaxed(v) atomic_add_return_relaxed(1, (v)) -#define atomic_inc_return_acquire(v) atomic_add_return_acquire(1, (v)) -#define atomic_inc_return_release(v) atomic_add_return_release(1, (v)) -#else /* atomic_inc_return */ -#define atomic_inc_return_relaxed atomic_inc_return -#define atomic_inc_return_acquire atomic_inc_return -#define atomic_inc_return_release atomic_inc_return -#endif /* atomic_inc_return */ - -#else /* atomic_inc_return_relaxed */ - -#ifndef atomic_inc_return_acquire -#define atomic_inc_return_acquire(...) \ - __atomic_op_acquire(atomic_inc_return, __VA_ARGS__) -#endif - -#ifndef atomic_inc_return_release -#define atomic_inc_return_release(...) \ - __atomic_op_release(atomic_inc_return, __VA_ARGS__) -#endif - -#ifndef atomic_inc_return -#define atomic_inc_return(...) \ - __atomic_op_fence(atomic_inc_return, __VA_ARGS__) -#endif -#endif /* atomic_inc_return_relaxed */ - -/* atomic_sub_return_relaxed */ -#ifndef atomic_sub_return_relaxed -#define atomic_sub_return_relaxed atomic_sub_return -#define atomic_sub_return_acquire atomic_sub_return -#define atomic_sub_return_release atomic_sub_return - -#else /* atomic_sub_return_relaxed */ - -#ifndef atomic_sub_return_acquire -#define atomic_sub_return_acquire(...) \ - __atomic_op_acquire(atomic_sub_return, __VA_ARGS__) -#endif - -#ifndef atomic_sub_return_release -#define atomic_sub_return_release(...) \ - __atomic_op_release(atomic_sub_return, __VA_ARGS__) -#endif - -#ifndef atomic_sub_return -#define atomic_sub_return(...) \ - __atomic_op_fence(atomic_sub_return, __VA_ARGS__) -#endif -#endif /* atomic_sub_return_relaxed */ - -#ifndef atomic_dec -#define atomic_dec(v) atomic_sub(1, (v)) -#endif - -/* atomic_dec_return_relaxed */ -#ifndef atomic_dec_return_relaxed - -#ifndef atomic_dec_return -#define atomic_dec_return(v) atomic_sub_return(1, (v)) -#define atomic_dec_return_relaxed(v) atomic_sub_return_relaxed(1, (v)) -#define atomic_dec_return_acquire(v) atomic_sub_return_acquire(1, (v)) -#define atomic_dec_return_release(v) atomic_sub_return_release(1, (v)) -#else /* atomic_dec_return */ -#define atomic_dec_return_relaxed atomic_dec_return -#define atomic_dec_return_acquire atomic_dec_return -#define atomic_dec_return_release atomic_dec_return -#endif /* atomic_dec_return */ - -#else /* atomic_dec_return_relaxed */ - -#ifndef atomic_dec_return_acquire -#define atomic_dec_return_acquire(...) \ - __atomic_op_acquire(atomic_dec_return, __VA_ARGS__) -#endif - -#ifndef atomic_dec_return_release -#define atomic_dec_return_release(...) \ - __atomic_op_release(atomic_dec_return, __VA_ARGS__) -#endif - -#ifndef atomic_dec_return -#define atomic_dec_return(...) \ - __atomic_op_fence(atomic_dec_return, __VA_ARGS__) -#endif -#endif /* atomic_dec_return_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 - -#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_fetch_add_release -#define atomic_fetch_add_release(...) \ - __atomic_op_release(atomic_fetch_add, __VA_ARGS__) -#endif - -#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 - -#ifndef atomic_fetch_inc_release -#define atomic_fetch_inc_release(...) \ - __atomic_op_release(atomic_fetch_inc, __VA_ARGS__) -#endif - -#ifndef atomic_fetch_inc -#define atomic_fetch_inc(...) \ - __atomic_op_fence(atomic_fetch_inc, __VA_ARGS__) -#endif -#endif /* atomic_fetch_inc_relaxed */ - -/* 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_fetch_sub_release -#define atomic_fetch_sub_release(...) \ - __atomic_op_release(atomic_fetch_sub, __VA_ARGS__) -#endif - -#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 - -#ifndef atomic_fetch_dec_release -#define atomic_fetch_dec_release(...) \ - __atomic_op_release(atomic_fetch_dec, __VA_ARGS__) -#endif - -#ifndef atomic_fetch_dec -#define atomic_fetch_dec(...) \ - __atomic_op_fence(atomic_fetch_dec, __VA_ARGS__) -#endif -#endif /* atomic_fetch_dec_relaxed */ - -/* 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 /* atomic_fetch_or_relaxed */ - -#ifndef atomic_fetch_or_acquire -#define atomic_fetch_or_acquire(...) \ - __atomic_op_acquire(atomic_fetch_or, __VA_ARGS__) -#endif - -#ifndef atomic_fetch_or_release -#define atomic_fetch_or_release(...) \ - __atomic_op_release(atomic_fetch_or, __VA_ARGS__) -#endif - -#ifndef atomic_fetch_or -#define atomic_fetch_or(...) \ - __atomic_op_fence(atomic_fetch_or, __VA_ARGS__) -#endif -#endif /* atomic_fetch_or_relaxed */ - -/* 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 /* atomic_fetch_and_relaxed */ - -#ifndef atomic_fetch_and_acquire -#define atomic_fetch_and_acquire(...) \ - __atomic_op_acquire(atomic_fetch_and, __VA_ARGS__) -#endif - -#ifndef atomic_fetch_and_release -#define atomic_fetch_and_release(...) \ - __atomic_op_release(atomic_fetch_and, __VA_ARGS__) -#endif - -#ifndef atomic_fetch_and -#define atomic_fetch_and(...) \ - __atomic_op_fence(atomic_fetch_and, __VA_ARGS__) -#endif -#endif /* atomic_fetch_and_relaxed */ - -#ifndef atomic_andnot -#define atomic_andnot(i, v) atomic_and(~(int)(i), (v)) -#endif - -#ifndef atomic_fetch_andnot_relaxed - -#ifndef atomic_fetch_andnot -#define atomic_fetch_andnot(i, v) atomic_fetch_and(~(int)(i), (v)) -#define atomic_fetch_andnot_relaxed(i, v) atomic_fetch_and_relaxed(~(int)(i), (v)) -#define atomic_fetch_andnot_acquire(i, v) atomic_fetch_and_acquire(~(int)(i), (v)) -#define atomic_fetch_andnot_release(i, v) atomic_fetch_and_release(~(int)(i), (v)) -#else /* atomic_fetch_andnot */ -#define atomic_fetch_andnot_relaxed atomic_fetch_andnot -#define atomic_fetch_andnot_acquire atomic_fetch_andnot -#define atomic_fetch_andnot_release atomic_fetch_andnot -#endif /* atomic_fetch_andnot */ - -#else /* atomic_fetch_andnot_relaxed */ - -#ifndef atomic_fetch_andnot_acquire -#define atomic_fetch_andnot_acquire(...) \ - __atomic_op_acquire(atomic_fetch_andnot, __VA_ARGS__) -#endif - -#ifndef atomic_fetch_andnot_release -#define atomic_fetch_andnot_release(...) \ - __atomic_op_release(atomic_fetch_andnot, __VA_ARGS__) -#endif - -#ifndef atomic_fetch_andnot -#define atomic_fetch_andnot(...) \ - __atomic_op_fence(atomic_fetch_andnot, __VA_ARGS__) -#endif -#endif /* atomic_fetch_andnot_relaxed */ - -/* 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 /* atomic_fetch_xor_relaxed */ - -#ifndef atomic_fetch_xor_acquire -#define atomic_fetch_xor_acquire(...) \ - __atomic_op_acquire(atomic_fetch_xor, __VA_ARGS__) -#endif - -#ifndef atomic_fetch_xor_release -#define atomic_fetch_xor_release(...) \ - __atomic_op_release(atomic_fetch_xor, __VA_ARGS__) -#endif - -#ifndef atomic_fetch_xor -#define atomic_fetch_xor(...) \ - __atomic_op_fence(atomic_fetch_xor, __VA_ARGS__) -#endif -#endif /* atomic_fetch_xor_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 */ - -#ifndef atomic_xchg_acquire -#define atomic_xchg_acquire(...) \ - __atomic_op_acquire(atomic_xchg, __VA_ARGS__) -#endif - -#ifndef atomic_xchg_release -#define atomic_xchg_release(...) \ - __atomic_op_release(atomic_xchg, __VA_ARGS__) -#endif - -#ifndef atomic_xchg -#define atomic_xchg(...) \ - __atomic_op_fence(atomic_xchg, __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 - -#else /* atomic_cmpxchg_relaxed */ - -#ifndef atomic_cmpxchg_acquire -#define atomic_cmpxchg_acquire(...) \ - __atomic_op_acquire(atomic_cmpxchg, __VA_ARGS__) -#endif - -#ifndef atomic_cmpxchg_release -#define atomic_cmpxchg_release(...) \ - __atomic_op_release(atomic_cmpxchg, __VA_ARGS__) -#endif - -#ifndef atomic_cmpxchg -#define atomic_cmpxchg(...) \ - __atomic_op_fence(atomic_cmpxchg, __VA_ARGS__) -#endif -#endif /* atomic_cmpxchg_relaxed */ - -#ifndef atomic_try_cmpxchg - -#define __atomic_try_cmpxchg(type, _p, _po, _n) \ -({ \ - typeof(_po) __po = (_po); \ - typeof(*(_po)) __r, __o = *__po; \ - __r = atomic_cmpxchg##type((_p), __o, (_n)); \ - if (unlikely(__r != __o)) \ - *__po = __r; \ - likely(__r == __o); \ -}) - -#define atomic_try_cmpxchg(_p, _po, _n) __atomic_try_cmpxchg(, _p, _po, _n) -#define atomic_try_cmpxchg_relaxed(_p, _po, _n) __atomic_try_cmpxchg(_relaxed, _p, _po, _n) -#define atomic_try_cmpxchg_acquire(_p, _po, _n) __atomic_try_cmpxchg(_acquire, _p, _po, _n) -#define atomic_try_cmpxchg_release(_p, _po, _n) __atomic_try_cmpxchg(_release, _p, _po, _n) - -#else /* atomic_try_cmpxchg */ -#define atomic_try_cmpxchg_relaxed atomic_try_cmpxchg -#define atomic_try_cmpxchg_acquire atomic_try_cmpxchg -#define atomic_try_cmpxchg_release atomic_try_cmpxchg -#endif /* atomic_try_cmpxchg */ - -/* cmpxchg_relaxed */ -#ifndef cmpxchg_relaxed -#define cmpxchg_relaxed cmpxchg -#define cmpxchg_acquire cmpxchg -#define cmpxchg_release cmpxchg - -#else /* cmpxchg_relaxed */ - -#ifndef cmpxchg_acquire -#define cmpxchg_acquire(...) \ - __atomic_op_acquire(cmpxchg, __VA_ARGS__) -#endif - -#ifndef cmpxchg_release -#define cmpxchg_release(...) \ - __atomic_op_release(cmpxchg, __VA_ARGS__) -#endif - -#ifndef cmpxchg -#define cmpxchg(...) \ - __atomic_op_fence(cmpxchg, __VA_ARGS__) -#endif -#endif /* cmpxchg_relaxed */ - -/* cmpxchg64_relaxed */ -#ifndef cmpxchg64_relaxed -#define cmpxchg64_relaxed cmpxchg64 -#define cmpxchg64_acquire cmpxchg64 -#define cmpxchg64_release cmpxchg64 - -#else /* cmpxchg64_relaxed */ - -#ifndef cmpxchg64_acquire -#define cmpxchg64_acquire(...) \ - __atomic_op_acquire(cmpxchg64, __VA_ARGS__) -#endif - -#ifndef cmpxchg64_release -#define cmpxchg64_release(...) \ - __atomic_op_release(cmpxchg64, __VA_ARGS__) -#endif - -#ifndef cmpxchg64 -#define cmpxchg64(...) \ - __atomic_op_fence(cmpxchg64, __VA_ARGS__) -#endif -#endif /* cmpxchg64_relaxed */ - -/* xchg_relaxed */ -#ifndef xchg_relaxed -#define xchg_relaxed xchg -#define xchg_acquire xchg -#define xchg_release xchg - -#else /* xchg_relaxed */ - -#ifndef xchg_acquire -#define xchg_acquire(...) __atomic_op_acquire(xchg, __VA_ARGS__) -#endif - -#ifndef xchg_release -#define xchg_release(...) __atomic_op_release(xchg, __VA_ARGS__) -#endif - -#ifndef xchg -#define xchg(...) __atomic_op_fence(xchg, __VA_ARGS__) -#endif -#endif /* xchg_relaxed */ - -/** - * atomic_fetch_add_unless - add unless the number is already a given value - * @v: pointer of type atomic_t - * @a: the amount to add to v... - * @u: ...unless v is equal to u. - * - * Atomically adds @a to @v, if @v was not already @u. - * Returns the original value of @v. - */ -#ifndef atomic_fetch_add_unless -static inline int atomic_fetch_add_unless(atomic_t *v, int a, int u) -{ - int c = atomic_read(v); - - do { - if (unlikely(c == u)) - break; - } while (!atomic_try_cmpxchg(v, &c, c + a)); - - return c; -} -#endif - -/** - * atomic_add_unless - add unless the number is already a given value - * @v: pointer of type atomic_t - * @a: the amount to add to v... - * @u: ...unless v is equal to u. - * - * Atomically adds @a to @v, if @v was not already @u. - * Returns true if the addition was done. - */ -static inline bool atomic_add_unless(atomic_t *v, int a, int u) -{ - return atomic_fetch_add_unless(v, a, u) != u; -} - -/** - * atomic_inc_not_zero - increment unless the number is zero - * @v: pointer of type atomic_t - * - * Atomically increments @v by 1, if @v is non-zero. - * Returns true if the increment was done. - */ -#ifndef atomic_inc_not_zero -#define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0) -#endif - -/** - * atomic_inc_and_test - increment and test - * @v: pointer of type atomic_t - * - * Atomically increments @v by 1 - * and returns true if the result is zero, or false for all - * other cases. - */ -#ifndef atomic_inc_and_test -static inline bool atomic_inc_and_test(atomic_t *v) -{ - return atomic_inc_return(v) == 0; -} -#endif - -/** - * atomic_dec_and_test - decrement and test - * @v: pointer of type atomic_t - * - * Atomically decrements @v by 1 and - * returns true if the result is 0, or false for all other - * cases. - */ -#ifndef atomic_dec_and_test -static inline bool atomic_dec_and_test(atomic_t *v) -{ - return atomic_dec_return(v) == 0; -} -#endif - -/** - * atomic_sub_and_test - subtract value from variable and test result - * @i: integer value to subtract - * @v: pointer of type atomic_t - * - * Atomically subtracts @i from @v and returns - * true if the result is zero, or false for all - * other cases. - */ -#ifndef atomic_sub_and_test -static inline bool atomic_sub_and_test(int i, atomic_t *v) -{ - return atomic_sub_return(i, v) == 0; -} -#endif - -/** - * atomic_add_negative - add and test if negative - * @i: integer value to add - * @v: pointer of type atomic_t - * - * Atomically adds @i to @v and returns true - * if the result is negative, or false when - * result is greater than or equal to zero. - */ -#ifndef atomic_add_negative -static inline bool atomic_add_negative(int i, atomic_t *v) -{ - return atomic_add_return(i, v) < 0; -} -#endif - -#ifndef atomic_inc_unless_negative -static inline bool atomic_inc_unless_negative(atomic_t *v) -{ - int c = atomic_read(v); - - do { - if (unlikely(c < 0)) - return false; - } while (!atomic_try_cmpxchg(v, &c, c + 1)); - - return true; -} -#endif - -#ifndef atomic_dec_unless_positive -static inline bool atomic_dec_unless_positive(atomic_t *v) -{ - int c = atomic_read(v); - - do { - if (unlikely(c > 0)) - return false; - } while (!atomic_try_cmpxchg(v, &c, c - 1)); - - return true; -} -#endif - -/* - * atomic_dec_if_positive - decrement by 1 if old value positive - * @v: pointer of type atomic_t - * - * The function returns the old value of *v minus 1, even if - * the atomic variable, v, was not decremented. - */ -#ifndef atomic_dec_if_positive -static inline int atomic_dec_if_positive(atomic_t *v) -{ - int dec, c = atomic_read(v); - - do { - dec = c - 1; - if (unlikely(dec < 0)) - break; - } while (!atomic_try_cmpxchg(v, &c, dec)); - - return dec; -} -#endif - -#define atomic_cond_read_relaxed(v, c) smp_cond_load_relaxed(&(v)->counter, (c)) -#define atomic_cond_read_acquire(v, c) smp_cond_load_acquire(&(v)->counter, (c)) - -#ifdef CONFIG_GENERIC_ATOMIC64 -#include <asm-generic/atomic64.h> -#endif - -#ifndef atomic64_read_acquire -#define atomic64_read_acquire(v) smp_load_acquire(&(v)->counter) -#endif - -#ifndef atomic64_set_release -#define atomic64_set_release(v, i) smp_store_release(&(v)->counter, (i)) -#endif - -/* 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 */ - -#ifndef atomic64_inc -#define atomic64_inc(v) atomic64_add(1, (v)) -#endif - -/* atomic64_inc_return_relaxed */ -#ifndef atomic64_inc_return_relaxed - -#ifndef atomic64_inc_return -#define atomic64_inc_return(v) atomic64_add_return(1, (v)) -#define atomic64_inc_return_relaxed(v) atomic64_add_return_relaxed(1, (v)) -#define atomic64_inc_return_acquire(v) atomic64_add_return_acquire(1, (v)) -#define atomic64_inc_return_release(v) atomic64_add_return_release(1, (v)) -#else /* atomic64_inc_return */ -#define atomic64_inc_return_relaxed atomic64_inc_return -#define atomic64_inc_return_acquire atomic64_inc_return -#define atomic64_inc_return_release atomic64_inc_return -#endif /* 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 */ - -#ifndef atomic64_dec -#define atomic64_dec(v) atomic64_sub(1, (v)) -#endif - -/* atomic64_dec_return_relaxed */ -#ifndef atomic64_dec_return_relaxed - -#ifndef atomic64_dec_return -#define atomic64_dec_return(v) atomic64_sub_return(1, (v)) -#define atomic64_dec_return_relaxed(v) atomic64_sub_return_relaxed(1, (v)) -#define atomic64_dec_return_acquire(v) atomic64_sub_return_acquire(1, (v)) -#define atomic64_dec_return_release(v) atomic64_sub_return_release(1, (v)) -#else /* atomic64_dec_return */ -#define atomic64_dec_return_relaxed atomic64_dec_return -#define atomic64_dec_return_acquire atomic64_dec_return -#define atomic64_dec_return_release atomic64_dec_return -#endif /* 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 */ - -#ifndef atomic64_andnot -#define atomic64_andnot(i, v) atomic64_and(~(long long)(i), (v)) -#endif - -#ifndef atomic64_fetch_andnot_relaxed - -#ifndef atomic64_fetch_andnot -#define atomic64_fetch_andnot(i, v) atomic64_fetch_and(~(long long)(i), (v)) -#define atomic64_fetch_andnot_relaxed(i, v) atomic64_fetch_and_relaxed(~(long long)(i), (v)) -#define atomic64_fetch_andnot_acquire(i, v) atomic64_fetch_and_acquire(~(long long)(i), (v)) -#define atomic64_fetch_andnot_release(i, v) atomic64_fetch_and_release(~(long long)(i), (v)) -#else /* atomic64_fetch_andnot */ -#define atomic64_fetch_andnot_relaxed atomic64_fetch_andnot -#define atomic64_fetch_andnot_acquire atomic64_fetch_andnot -#define atomic64_fetch_andnot_release atomic64_fetch_andnot -#endif /* 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 */ - -/* 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_try_cmpxchg - -#define __atomic64_try_cmpxchg(type, _p, _po, _n) \ -({ \ - typeof(_po) __po = (_po); \ - typeof(*(_po)) __r, __o = *__po; \ - __r = atomic64_cmpxchg##type((_p), __o, (_n)); \ - if (unlikely(__r != __o)) \ - *__po = __r; \ - likely(__r == __o); \ -}) - -#define atomic64_try_cmpxchg(_p, _po, _n) __atomic64_try_cmpxchg(, _p, _po, _n) -#define atomic64_try_cmpxchg_relaxed(_p, _po, _n) __atomic64_try_cmpxchg(_relaxed, _p, _po, _n) -#define atomic64_try_cmpxchg_acquire(_p, _po, _n) __atomic64_try_cmpxchg(_acquire, _p, _po, _n) -#define atomic64_try_cmpxchg_release(_p, _po, _n) __atomic64_try_cmpxchg(_release, _p, _po, _n) - -#else /* atomic64_try_cmpxchg */ -#define atomic64_try_cmpxchg_relaxed atomic64_try_cmpxchg -#define atomic64_try_cmpxchg_acquire atomic64_try_cmpxchg -#define atomic64_try_cmpxchg_release atomic64_try_cmpxchg -#endif /* atomic64_try_cmpxchg */ - -/** - * atomic64_fetch_add_unless - add unless the number is already a given value - * @v: pointer of type atomic64_t - * @a: the amount to add to v... - * @u: ...unless v is equal to u. - * - * Atomically adds @a to @v, if @v was not already @u. - * Returns the original value of @v. - */ -#ifndef atomic64_fetch_add_unless -static inline long long atomic64_fetch_add_unless(atomic64_t *v, long long a, - long long u) -{ - long long c = atomic64_read(v); - - do { - if (unlikely(c == u)) - break; - } while (!atomic64_try_cmpxchg(v, &c, c + a)); - - return c; -} -#endif - -/** - * atomic64_add_unless - add unless the number is already a given value - * @v: pointer of type atomic_t - * @a: the amount to add to v... - * @u: ...unless v is equal to u. - * - * Atomically adds @a to @v, if @v was not already @u. - * Returns true if the addition was done. - */ -static inline bool atomic64_add_unless(atomic64_t *v, long long a, long long u) -{ - return atomic64_fetch_add_unless(v, a, u) != u; -} - -/** - * atomic64_inc_not_zero - increment unless the number is zero - * @v: pointer of type atomic64_t - * - * Atomically increments @v by 1, if @v is non-zero. - * Returns true if the increment was done. - */ -#ifndef atomic64_inc_not_zero -#define atomic64_inc_not_zero(v) atomic64_add_unless((v), 1, 0) -#endif - -/** - * atomic64_inc_and_test - increment and test - * @v: pointer of type atomic64_t - * - * Atomically increments @v by 1 - * and returns true if the result is zero, or false for all - * other cases. - */ -#ifndef atomic64_inc_and_test -static inline bool atomic64_inc_and_test(atomic64_t *v) -{ - return atomic64_inc_return(v) == 0; -} -#endif - -/** - * atomic64_dec_and_test - decrement and test - * @v: pointer of type atomic64_t - * - * Atomically decrements @v by 1 and - * returns true if the result is 0, or false for all other - * cases. - */ -#ifndef atomic64_dec_and_test -static inline bool atomic64_dec_and_test(atomic64_t *v) -{ - return atomic64_dec_return(v) == 0; -} -#endif - -/** - * atomic64_sub_and_test - subtract value from variable and test result - * @i: integer value to subtract - * @v: pointer of type atomic64_t - * - * Atomically subtracts @i from @v and returns - * true if the result is zero, or false for all - * other cases. - */ -#ifndef atomic64_sub_and_test -static inline bool atomic64_sub_and_test(long long i, atomic64_t *v) -{ - return atomic64_sub_return(i, v) == 0; -} -#endif - -/** - * atomic64_add_negative - add and test if negative - * @i: integer value to add - * @v: pointer of type atomic64_t - * - * Atomically adds @i to @v and returns true - * if the result is negative, or false when - * result is greater than or equal to zero. - */ -#ifndef atomic64_add_negative -static inline bool atomic64_add_negative(long long i, atomic64_t *v) -{ - return atomic64_add_return(i, v) < 0; -} -#endif - -#ifndef atomic64_inc_unless_negative -static inline bool atomic64_inc_unless_negative(atomic64_t *v) -{ - long long c = atomic64_read(v); - - do { - if (unlikely(c < 0)) - return false; - } while (!atomic64_try_cmpxchg(v, &c, c + 1)); - - return true; -} -#endif - -#ifndef atomic64_dec_unless_positive -static inline bool atomic64_dec_unless_positive(atomic64_t *v) -{ - long long c = atomic64_read(v); - - do { - if (unlikely(c > 0)) - return false; - } while (!atomic64_try_cmpxchg(v, &c, c - 1)); - - return true; -} -#endif - -/* - * atomic64_dec_if_positive - decrement by 1 if old value positive - * @v: pointer of type atomic64_t - * - * The function returns the old value of *v minus 1, even if - * the atomic64 variable, v, was not decremented. - */ -#ifndef atomic64_dec_if_positive -static inline long long atomic64_dec_if_positive(atomic64_t *v) -{ - long long dec, c = atomic64_read(v); - - do { - dec = c - 1; - if (unlikely(dec < 0)) - break; - } while (!atomic64_try_cmpxchg(v, &c, dec)); - - return dec; -} -#endif - -#define atomic64_cond_read_relaxed(v, c) smp_cond_load_relaxed(&(v)->counter, (c)) -#define atomic64_cond_read_acquire(v, c) smp_cond_load_acquire(&(v)->counter, (c)) +#include <linux/atomic-fallback.h> #include <asm-generic/atomic-long.h> diff --git a/include/linux/bcma/bcma.h b/include/linux/bcma/bcma.h index ef61f3607e99..60b94b944e9f 100644 --- a/include/linux/bcma/bcma.h +++ b/include/linux/bcma/bcma.h @@ -332,6 +332,8 @@ extern int bcma_arch_register_fallback_sprom( struct ssb_sprom *out)); struct bcma_bus { + struct device *dev; + /* The MMIO area. */ void __iomem *mmio; @@ -339,14 +341,7 @@ struct bcma_bus { enum bcma_hosttype hosttype; bool host_is_pcie2; /* Used for BCMA_HOSTTYPE_PCI only */ - union { - /* Pointer to the PCI bus (only for BCMA_HOSTTYPE_PCI) */ - struct pci_dev *host_pci; - /* Pointer to the SDIO device (only for BCMA_HOSTTYPE_SDIO) */ - struct sdio_func *host_sdio; - /* Pointer to platform device (only for BCMA_HOSTTYPE_SOC) */ - struct platform_device *host_pdev; - }; + struct pci_dev *host_pci; /* PCI bus pointer (BCMA_HOSTTYPE_PCI only) */ struct bcma_chipinfo chipinfo; diff --git a/include/linux/blktrace_api.h b/include/linux/blktrace_api.h index 8804753805ac..7bb2d8de9f30 100644 --- a/include/linux/blktrace_api.h +++ b/include/linux/blktrace_api.h @@ -116,7 +116,13 @@ extern void blk_fill_rwbs(char *rwbs, unsigned int op, int bytes); static inline sector_t blk_rq_trace_sector(struct request *rq) { - return blk_rq_is_passthrough(rq) ? 0 : blk_rq_pos(rq); + /* + * Tracing should ignore starting sector for passthrough requests and + * requests where starting sector didn't get set. + */ + if (blk_rq_is_passthrough(rq) || blk_rq_pos(rq) == (sector_t)-1) + return 0; + return blk_rq_pos(rq); } static inline unsigned int blk_rq_trace_nr_sectors(struct request *rq) diff --git a/include/linux/bpf-cgroup.h b/include/linux/bpf-cgroup.h index 588dd5f0bd85..695b2a880d9a 100644 --- a/include/linux/bpf-cgroup.h +++ b/include/linux/bpf-cgroup.h @@ -78,7 +78,7 @@ int cgroup_bpf_inherit(struct cgroup *cgrp); int __cgroup_bpf_attach(struct cgroup *cgrp, struct bpf_prog *prog, enum bpf_attach_type type, u32 flags); int __cgroup_bpf_detach(struct cgroup *cgrp, struct bpf_prog *prog, - enum bpf_attach_type type, u32 flags); + enum bpf_attach_type type); int __cgroup_bpf_query(struct cgroup *cgrp, const union bpf_attr *attr, union bpf_attr __user *uattr); diff --git a/include/linux/bpf.h b/include/linux/bpf.h index e734f163bd0b..a2132e09dc1c 100644 --- a/include/linux/bpf.h +++ b/include/linux/bpf.h @@ -16,6 +16,7 @@ #include <linux/rbtree_latch.h> #include <linux/numa.h> #include <linux/wait.h> +#include <linux/u64_stats_sync.h> struct bpf_verifier_env; struct perf_event; @@ -72,14 +73,15 @@ struct bpf_map { u32 value_size; u32 max_entries; u32 map_flags; - u32 pages; + int spin_lock_off; /* >=0 valid offset, <0 error */ u32 id; int numa_node; u32 btf_key_type_id; u32 btf_value_type_id; struct btf *btf; + u32 pages; bool unpriv_array; - /* 55 bytes hole */ + /* 51 bytes hole */ /* The 3rd and 4th cacheline with misc members to avoid false sharing * particularly with refcounting. @@ -91,6 +93,36 @@ struct bpf_map { char name[BPF_OBJ_NAME_LEN]; }; +static inline bool map_value_has_spin_lock(const struct bpf_map *map) +{ + return map->spin_lock_off >= 0; +} + +static inline void check_and_init_map_lock(struct bpf_map *map, void *dst) +{ + if (likely(!map_value_has_spin_lock(map))) + return; + *(struct bpf_spin_lock *)(dst + map->spin_lock_off) = + (struct bpf_spin_lock){}; +} + +/* copy everything but bpf_spin_lock */ +static inline void copy_map_value(struct bpf_map *map, void *dst, void *src) +{ + if (unlikely(map_value_has_spin_lock(map))) { + u32 off = map->spin_lock_off; + + memcpy(dst, src, off); + memcpy(dst + off + sizeof(struct bpf_spin_lock), + src + off + sizeof(struct bpf_spin_lock), + map->value_size - off - sizeof(struct bpf_spin_lock)); + } else { + memcpy(dst, src, map->value_size); + } +} +void copy_map_value_locked(struct bpf_map *map, void *dst, void *src, + bool lock_src); + struct bpf_offload_dev; struct bpf_offloaded_map; @@ -162,6 +194,8 @@ enum bpf_arg_type { ARG_PTR_TO_CTX, /* pointer to context */ ARG_ANYTHING, /* any (initialized) argument is ok */ ARG_PTR_TO_SOCKET, /* pointer to bpf_sock */ + ARG_PTR_TO_SPIN_LOCK, /* pointer to bpf_spin_lock */ + ARG_PTR_TO_SOCK_COMMON, /* pointer to sock_common */ }; /* type of values returned from helper functions */ @@ -171,6 +205,7 @@ enum bpf_return_type { RET_PTR_TO_MAP_VALUE, /* returns a pointer to map elem value */ RET_PTR_TO_MAP_VALUE_OR_NULL, /* returns a pointer to map elem value or NULL */ RET_PTR_TO_SOCKET_OR_NULL, /* returns a pointer to a socket or NULL */ + RET_PTR_TO_TCP_SOCK_OR_NULL, /* returns a pointer to a tcp_sock or NULL */ }; /* eBPF function prototype used by verifier to allow BPF_CALLs from eBPF programs @@ -224,6 +259,10 @@ enum bpf_reg_type { PTR_TO_FLOW_KEYS, /* reg points to bpf_flow_keys */ PTR_TO_SOCKET, /* reg points to struct bpf_sock */ PTR_TO_SOCKET_OR_NULL, /* reg points to struct bpf_sock or NULL */ + PTR_TO_SOCK_COMMON, /* reg points to sock_common */ + PTR_TO_SOCK_COMMON_OR_NULL, /* reg points to sock_common or NULL */ + PTR_TO_TCP_SOCK, /* reg points to struct tcp_sock */ + PTR_TO_TCP_SOCK_OR_NULL, /* reg points to struct tcp_sock or NULL */ }; /* The information passed from prog-specific *_is_valid_access @@ -268,9 +307,15 @@ struct bpf_verifier_ops { }; struct bpf_prog_offload_ops { + /* verifier basic callbacks */ int (*insn_hook)(struct bpf_verifier_env *env, int insn_idx, int prev_insn_idx); int (*finalize)(struct bpf_verifier_env *env); + /* verifier optimization callbacks (called after .finalize) */ + int (*replace_insn)(struct bpf_verifier_env *env, u32 off, + struct bpf_insn *insn); + int (*remove_insns)(struct bpf_verifier_env *env, u32 off, u32 cnt); + /* program management callbacks */ int (*prepare)(struct bpf_prog *prog); int (*translate)(struct bpf_prog *prog); void (*destroy)(struct bpf_prog *prog); @@ -283,6 +328,7 @@ struct bpf_prog_offload { void *dev_priv; struct list_head offloads; bool dev_state; + bool opt_failed; void *jited_image; u32 jited_len; }; @@ -295,6 +341,12 @@ enum bpf_cgroup_storage_type { #define MAX_BPF_CGROUP_STORAGE_TYPE __BPF_CGROUP_STORAGE_MAX +struct bpf_prog_stats { + u64 cnt; + u64 nsecs; + struct u64_stats_sync syncp; +}; + struct bpf_prog_aux { atomic_t refcnt; u32 used_map_cnt; @@ -344,6 +396,7 @@ struct bpf_prog_aux { * main prog always has linfo_idx == 0 */ u32 linfo_idx; + struct bpf_prog_stats __percpu *stats; union { struct work_struct work; struct rcu_head rcu; @@ -397,6 +450,9 @@ int bpf_prog_test_run_xdp(struct bpf_prog *prog, const union bpf_attr *kattr, union bpf_attr __user *uattr); int bpf_prog_test_run_skb(struct bpf_prog *prog, const union bpf_attr *kattr, union bpf_attr __user *uattr); +int bpf_prog_test_run_flow_dissector(struct bpf_prog *prog, + const union bpf_attr *kattr, + union bpf_attr __user *uattr); /* an array of programs to be executed under rcu_lock. * @@ -511,6 +567,7 @@ void bpf_map_area_free(void *base); void bpf_map_init_from_attr(struct bpf_map *map, union bpf_attr *attr); extern int sysctl_unprivileged_bpf_disabled; +extern int sysctl_bpf_stats_enabled; int bpf_map_new_fd(struct bpf_map *map, int flags); int bpf_prog_new_fd(struct bpf_prog *prog); @@ -725,8 +782,9 @@ int bpf_map_offload_get_next_key(struct bpf_map *map, bool bpf_offload_prog_map_match(struct bpf_prog *prog, struct bpf_map *map); struct bpf_offload_dev * -bpf_offload_dev_create(const struct bpf_prog_offload_ops *ops); +bpf_offload_dev_create(const struct bpf_prog_offload_ops *ops, void *priv); void bpf_offload_dev_destroy(struct bpf_offload_dev *offdev); +void *bpf_offload_dev_priv(struct bpf_offload_dev *offdev); int bpf_offload_dev_netdev_register(struct bpf_offload_dev *offdev, struct net_device *netdev); void bpf_offload_dev_netdev_unregister(struct bpf_offload_dev *offdev, @@ -869,7 +927,8 @@ extern const struct bpf_func_proto bpf_msg_redirect_hash_proto; extern const struct bpf_func_proto bpf_msg_redirect_map_proto; extern const struct bpf_func_proto bpf_sk_redirect_hash_proto; extern const struct bpf_func_proto bpf_sk_redirect_map_proto; - +extern const struct bpf_func_proto bpf_spin_lock_proto; +extern const struct bpf_func_proto bpf_spin_unlock_proto; extern const struct bpf_func_proto bpf_get_local_storage_proto; /* Shared helpers among cBPF and eBPF. */ @@ -877,6 +936,9 @@ void bpf_user_rnd_init_once(void); u64 bpf_user_rnd_u32(u64 r1, u64 r2, u64 r3, u64 r4, u64 r5); #if defined(CONFIG_NET) +bool bpf_sock_common_is_valid_access(int off, int size, + enum bpf_access_type type, + struct bpf_insn_access_aux *info); bool bpf_sock_is_valid_access(int off, int size, enum bpf_access_type type, struct bpf_insn_access_aux *info); u32 bpf_sock_convert_ctx_access(enum bpf_access_type type, @@ -885,6 +947,12 @@ u32 bpf_sock_convert_ctx_access(enum bpf_access_type type, struct bpf_prog *prog, u32 *target_size); #else +static inline bool bpf_sock_common_is_valid_access(int off, int size, + enum bpf_access_type type, + struct bpf_insn_access_aux *info) +{ + return false; +} static inline bool bpf_sock_is_valid_access(int off, int size, enum bpf_access_type type, struct bpf_insn_access_aux *info) @@ -901,4 +969,31 @@ static inline u32 bpf_sock_convert_ctx_access(enum bpf_access_type type, } #endif +#ifdef CONFIG_INET +bool bpf_tcp_sock_is_valid_access(int off, int size, enum bpf_access_type type, + struct bpf_insn_access_aux *info); + +u32 bpf_tcp_sock_convert_ctx_access(enum bpf_access_type type, + const struct bpf_insn *si, + struct bpf_insn *insn_buf, + struct bpf_prog *prog, + u32 *target_size); +#else +static inline bool bpf_tcp_sock_is_valid_access(int off, int size, + enum bpf_access_type type, + struct bpf_insn_access_aux *info) +{ + return false; +} + +static inline u32 bpf_tcp_sock_convert_ctx_access(enum bpf_access_type type, + const struct bpf_insn *si, + struct bpf_insn *insn_buf, + struct bpf_prog *prog, + u32 *target_size) +{ + return 0; +} +#endif /* CONFIG_INET */ + #endif /* _LINUX_BPF_H */ diff --git a/include/linux/bpf_types.h b/include/linux/bpf_types.h index 44d9ab4809bd..08bf2f1fe553 100644 --- a/include/linux/bpf_types.h +++ b/include/linux/bpf_types.h @@ -6,9 +6,11 @@ BPF_PROG_TYPE(BPF_PROG_TYPE_SOCKET_FILTER, sk_filter) BPF_PROG_TYPE(BPF_PROG_TYPE_SCHED_CLS, tc_cls_act) BPF_PROG_TYPE(BPF_PROG_TYPE_SCHED_ACT, tc_cls_act) BPF_PROG_TYPE(BPF_PROG_TYPE_XDP, xdp) +#ifdef CONFIG_CGROUP_BPF BPF_PROG_TYPE(BPF_PROG_TYPE_CGROUP_SKB, cg_skb) BPF_PROG_TYPE(BPF_PROG_TYPE_CGROUP_SOCK, cg_sock) BPF_PROG_TYPE(BPF_PROG_TYPE_CGROUP_SOCK_ADDR, cg_sock_addr) +#endif BPF_PROG_TYPE(BPF_PROG_TYPE_LWT_IN, lwt_in) BPF_PROG_TYPE(BPF_PROG_TYPE_LWT_OUT, lwt_out) BPF_PROG_TYPE(BPF_PROG_TYPE_LWT_XMIT, lwt_xmit) diff --git a/include/linux/bpf_verifier.h b/include/linux/bpf_verifier.h index 573cca00a0e6..69f7a3449eda 100644 --- a/include/linux/bpf_verifier.h +++ b/include/linux/bpf_verifier.h @@ -148,6 +148,7 @@ struct bpf_verifier_state { /* call stack tracking */ struct bpf_func_state *frame[MAX_CALL_FRAMES]; u32 curframe; + u32 active_spin_lock; bool speculative; }; @@ -187,6 +188,7 @@ struct bpf_insn_aux_data { int sanitize_stack_off; /* stack slot to be cleared */ bool seen; /* this insn was processed by the verifier */ u8 alu_state; /* used in combination with alu_limit */ + unsigned int orig_idx; /* original instruction index */ }; #define MAX_USED_MAPS 64 /* max number of maps accessed by one eBPF program */ @@ -265,5 +267,10 @@ int bpf_prog_offload_verifier_prep(struct bpf_prog *prog); int bpf_prog_offload_verify_insn(struct bpf_verifier_env *env, int insn_idx, int prev_insn_idx); int bpf_prog_offload_finalize(struct bpf_verifier_env *env); +void +bpf_prog_offload_replace_insn(struct bpf_verifier_env *env, u32 off, + struct bpf_insn *insn); +void +bpf_prog_offload_remove_insns(struct bpf_verifier_env *env, u32 off, u32 cnt); #endif /* _LINUX_BPF_VERIFIER_H */ diff --git a/include/linux/btf.h b/include/linux/btf.h index 12502e25e767..455d31b55828 100644 --- a/include/linux/btf.h +++ b/include/linux/btf.h @@ -50,6 +50,7 @@ u32 btf_id(const struct btf *btf); bool btf_member_is_reg_int(const struct btf *btf, const struct btf_type *s, const struct btf_member *m, u32 expected_offset, u32 expected_size); +int btf_find_spin_lock(const struct btf *btf, const struct btf_type *t); #ifdef CONFIG_BPF_SYSCALL const struct btf_type *btf_type_by_id(const struct btf *btf, u32 type_id); diff --git a/include/linux/compat.h b/include/linux/compat.h index 056be0d03722..ebddcb6cfcf8 100644 --- a/include/linux/compat.h +++ b/include/linux/compat.h @@ -132,37 +132,6 @@ struct compat_tms { compat_clock_t tms_cstime; }; -struct compat_timex { - compat_uint_t modes; - compat_long_t offset; - compat_long_t freq; - compat_long_t maxerror; - compat_long_t esterror; - compat_int_t status; - compat_long_t constant; - compat_long_t precision; - compat_long_t tolerance; - struct old_timeval32 time; - compat_long_t tick; - compat_long_t ppsfreq; - compat_long_t jitter; - compat_int_t shift; - compat_long_t stabil; - compat_long_t jitcnt; - compat_long_t calcnt; - compat_long_t errcnt; - compat_long_t stbcnt; - compat_int_t tai; - - compat_int_t:32; compat_int_t:32; compat_int_t:32; compat_int_t:32; - compat_int_t:32; compat_int_t:32; compat_int_t:32; compat_int_t:32; - compat_int_t:32; compat_int_t:32; compat_int_t:32; -}; - -struct timex; -int compat_get_timex(struct timex *, const struct compat_timex __user *); -int compat_put_timex(struct compat_timex __user *, const struct timex *); - #define _COMPAT_NSIG_WORDS (_COMPAT_NSIG / _COMPAT_NSIG_BPW) typedef struct { @@ -551,11 +520,6 @@ int __compat_save_altstack(compat_stack_t __user *, unsigned long); asmlinkage long compat_sys_io_setup(unsigned nr_reqs, u32 __user *ctx32p); asmlinkage long compat_sys_io_submit(compat_aio_context_t ctx_id, int nr, u32 __user *iocb); -asmlinkage long compat_sys_io_getevents(compat_aio_context_t ctx_id, - compat_long_t min_nr, - compat_long_t nr, - struct io_event __user *events, - struct old_timespec32 __user *timeout); asmlinkage long compat_sys_io_pgetevents(compat_aio_context_t ctx_id, compat_long_t min_nr, compat_long_t nr, @@ -648,7 +612,7 @@ asmlinkage long compat_sys_sendfile64(int out_fd, int in_fd, compat_loff_t __user *offset, compat_size_t count); /* fs/select.c */ -asmlinkage long compat_sys_pselect6(int n, compat_ulong_t __user *inp, +asmlinkage long compat_sys_pselect6_time32(int n, compat_ulong_t __user *inp, compat_ulong_t __user *outp, compat_ulong_t __user *exp, struct old_timespec32 __user *tsp, @@ -658,7 +622,7 @@ asmlinkage long compat_sys_pselect6_time64(int n, compat_ulong_t __user *inp, compat_ulong_t __user *exp, struct __kernel_timespec __user *tsp, void __user *sig); -asmlinkage long compat_sys_ppoll(struct pollfd __user *ufds, +asmlinkage long compat_sys_ppoll_time32(struct pollfd __user *ufds, unsigned int nfds, struct old_timespec32 __user *tsp, const compat_sigset_t __user *sigmask, @@ -688,19 +652,6 @@ asmlinkage long compat_sys_newfstat(unsigned int fd, /* fs/sync.c: No generic prototype for sync_file_range and sync_file_range2 */ -/* fs/timerfd.c */ -asmlinkage long compat_sys_timerfd_gettime(int ufd, - struct old_itimerspec32 __user *otmr); -asmlinkage long compat_sys_timerfd_settime(int ufd, int flags, - const struct old_itimerspec32 __user *utmr, - struct old_itimerspec32 __user *otmr); - -/* fs/utimes.c */ -asmlinkage long compat_sys_utimensat(unsigned int dfd, - const char __user *filename, - struct old_timespec32 __user *t, - int flags); - /* kernel/exit.c */ asmlinkage long compat_sys_waitid(int, compat_pid_t, struct compat_siginfo __user *, int, @@ -709,9 +660,6 @@ asmlinkage long compat_sys_waitid(int, compat_pid_t, /* kernel/futex.c */ -asmlinkage long compat_sys_futex(u32 __user *uaddr, int op, u32 val, - struct old_timespec32 __user *utime, u32 __user *uaddr2, - u32 val3); asmlinkage long compat_sys_set_robust_list(struct compat_robust_list_head __user *head, compat_size_t len); @@ -719,10 +667,6 @@ asmlinkage long compat_sys_get_robust_list(int pid, compat_uptr_t __user *head_ptr, compat_size_t __user *len_ptr); -/* kernel/hrtimer.c */ -asmlinkage long compat_sys_nanosleep(struct old_timespec32 __user *rqtp, - struct old_timespec32 __user *rmtp); - /* kernel/itimer.c */ asmlinkage long compat_sys_getitimer(int which, struct compat_itimerval __user *it); @@ -740,20 +684,6 @@ asmlinkage long compat_sys_kexec_load(compat_ulong_t entry, asmlinkage long compat_sys_timer_create(clockid_t which_clock, struct compat_sigevent __user *timer_event_spec, timer_t __user *created_timer_id); -asmlinkage long compat_sys_timer_gettime(timer_t timer_id, - struct old_itimerspec32 __user *setting); -asmlinkage long compat_sys_timer_settime(timer_t timer_id, int flags, - struct old_itimerspec32 __user *new, - struct old_itimerspec32 __user *old); -asmlinkage long compat_sys_clock_settime(clockid_t which_clock, - struct old_timespec32 __user *tp); -asmlinkage long compat_sys_clock_gettime(clockid_t which_clock, - struct old_timespec32 __user *tp); -asmlinkage long compat_sys_clock_getres(clockid_t which_clock, - struct old_timespec32 __user *tp); -asmlinkage long compat_sys_clock_nanosleep(clockid_t which_clock, int flags, - struct old_timespec32 __user *rqtp, - struct old_timespec32 __user *rmtp); /* kernel/ptrace.c */ asmlinkage long compat_sys_ptrace(compat_long_t request, compat_long_t pid, @@ -766,8 +696,6 @@ asmlinkage long compat_sys_sched_setaffinity(compat_pid_t pid, asmlinkage long compat_sys_sched_getaffinity(compat_pid_t pid, unsigned int len, compat_ulong_t __user *user_mask_ptr); -asmlinkage long compat_sys_sched_rr_get_interval(compat_pid_t pid, - struct old_timespec32 __user *interval); /* kernel/signal.c */ asmlinkage long compat_sys_sigaltstack(const compat_stack_t __user *uss_ptr, @@ -785,7 +713,7 @@ asmlinkage long compat_sys_rt_sigprocmask(int how, compat_sigset_t __user *set, compat_size_t sigsetsize); asmlinkage long compat_sys_rt_sigpending(compat_sigset_t __user *uset, compat_size_t sigsetsize); -asmlinkage long compat_sys_rt_sigtimedwait(compat_sigset_t __user *uthese, +asmlinkage long compat_sys_rt_sigtimedwait_time32(compat_sigset_t __user *uthese, struct compat_siginfo __user *uinfo, struct old_timespec32 __user *uts, compat_size_t sigsetsize); asmlinkage long compat_sys_rt_sigtimedwait_time64(compat_sigset_t __user *uthese, @@ -808,7 +736,6 @@ asmlinkage long compat_sys_gettimeofday(struct old_timeval32 __user *tv, struct timezone __user *tz); asmlinkage long compat_sys_settimeofday(struct old_timeval32 __user *tv, struct timezone __user *tz); -asmlinkage long compat_sys_adjtimex(struct compat_timex __user *utp); /* kernel/timer.c */ asmlinkage long compat_sys_sysinfo(struct compat_sysinfo __user *info); @@ -817,14 +744,6 @@ asmlinkage long compat_sys_sysinfo(struct compat_sysinfo __user *info); asmlinkage long compat_sys_mq_open(const char __user *u_name, int oflag, compat_mode_t mode, struct compat_mq_attr __user *u_attr); -asmlinkage long compat_sys_mq_timedsend(mqd_t mqdes, - const char __user *u_msg_ptr, - compat_size_t msg_len, unsigned int msg_prio, - const struct old_timespec32 __user *u_abs_timeout); -asmlinkage ssize_t compat_sys_mq_timedreceive(mqd_t mqdes, - char __user *u_msg_ptr, - compat_size_t msg_len, unsigned int __user *u_msg_prio, - const struct old_timespec32 __user *u_abs_timeout); asmlinkage long compat_sys_mq_notify(mqd_t mqdes, const struct compat_sigevent __user *u_notification); asmlinkage long compat_sys_mq_getsetattr(mqd_t mqdes, @@ -840,8 +759,6 @@ asmlinkage long compat_sys_msgsnd(int msqid, compat_uptr_t msgp, /* ipc/sem.c */ asmlinkage long compat_sys_semctl(int semid, int semnum, int cmd, int arg); -asmlinkage long compat_sys_semtimedop(int semid, struct sembuf __user *tsems, - unsigned nsems, const struct old_timespec32 __user *timeout); /* ipc/shm.c */ asmlinkage long compat_sys_shmctl(int first, int second, void __user *uptr); @@ -899,7 +816,7 @@ asmlinkage long compat_sys_rt_tgsigqueueinfo(compat_pid_t tgid, asmlinkage long compat_sys_recvmmsg_time64(int fd, struct compat_mmsghdr __user *mmsg, unsigned vlen, unsigned int flags, struct __kernel_timespec __user *timeout); -asmlinkage long compat_sys_recvmmsg(int fd, struct compat_mmsghdr __user *mmsg, +asmlinkage long compat_sys_recvmmsg_time32(int fd, struct compat_mmsghdr __user *mmsg, unsigned vlen, unsigned int flags, struct old_timespec32 __user *timeout); asmlinkage long compat_sys_wait4(compat_pid_t pid, @@ -910,8 +827,6 @@ asmlinkage long compat_sys_fanotify_mark(int, unsigned int, __u32, __u32, asmlinkage long compat_sys_open_by_handle_at(int mountdirfd, struct file_handle __user *handle, int flags); -asmlinkage long compat_sys_clock_adjtime(clockid_t which_clock, - struct compat_timex __user *tp); asmlinkage long compat_sys_sendmmsg(int fd, struct compat_mmsghdr __user *mmsg, unsigned vlen, unsigned int flags); asmlinkage ssize_t compat_sys_process_vm_readv(compat_pid_t pid, @@ -952,8 +867,6 @@ asmlinkage long compat_sys_pwritev64v2(unsigned long fd, /* __ARCH_WANT_SYSCALL_NO_AT */ asmlinkage long compat_sys_open(const char __user *filename, int flags, umode_t mode); -asmlinkage long compat_sys_utimes(const char __user *filename, - struct old_timeval32 __user *t); /* __ARCH_WANT_SYSCALL_NO_FLAGS */ asmlinkage long compat_sys_signalfd(int ufd, @@ -967,12 +880,6 @@ asmlinkage long compat_sys_newlstat(const char __user *filename, struct compat_stat __user *statbuf); /* __ARCH_WANT_SYSCALL_DEPRECATED */ -asmlinkage long compat_sys_time(old_time32_t __user *tloc); -asmlinkage long compat_sys_utime(const char __user *filename, - struct old_utimbuf32 __user *t); -asmlinkage long compat_sys_futimesat(unsigned int dfd, - const char __user *filename, - struct old_timeval32 __user *t); asmlinkage long compat_sys_select(int n, compat_ulong_t __user *inp, compat_ulong_t __user *outp, compat_ulong_t __user *exp, struct old_timeval32 __user *tvp); @@ -1007,9 +914,6 @@ asmlinkage long compat_sys_sigaction(int sig, struct compat_old_sigaction __user *oact); #endif -/* obsolete: kernel/time/time.c */ -asmlinkage long compat_sys_stime(old_time32_t __user *tptr); - /* obsolete: net/socket.c */ asmlinkage long compat_sys_socketcall(int call, u32 __user *args); diff --git a/include/linux/compiler_attributes.h b/include/linux/compiler_attributes.h index 19f32b0c29af..6b318efd8a74 100644 --- a/include/linux/compiler_attributes.h +++ b/include/linux/compiler_attributes.h @@ -34,6 +34,7 @@ #ifndef __has_attribute # define __has_attribute(x) __GCC4_has_attribute_##x # define __GCC4_has_attribute___assume_aligned__ (__GNUC_MINOR__ >= 9) +# define __GCC4_has_attribute___copy__ 0 # define __GCC4_has_attribute___designated_init__ 0 # define __GCC4_has_attribute___externally_visible__ 1 # define __GCC4_has_attribute___noclone__ 1 @@ -101,6 +102,19 @@ #define __attribute_const__ __attribute__((__const__)) /* + * Optional: only supported since gcc >= 9 + * Optional: not supported by clang + * Optional: not supported by icc + * + * gcc: https://gcc.gnu.org/onlinedocs/gcc/Common-Function-Attributes.html#index-copy-function-attribute + */ +#if __has_attribute(__copy__) +# define __copy(symbol) __attribute__((__copy__(symbol))) +#else +# define __copy(symbol) +#endif + +/* * Don't. Just don't. See commit 771c035372a0 ("deprecate the '__deprecated' * attribute warnings entirely and for good") for more information. * diff --git a/include/linux/coresight.h b/include/linux/coresight.h index 46c67a764877..7b87965f7a65 100644 --- a/include/linux/coresight.h +++ b/include/linux/coresight.h @@ -154,8 +154,9 @@ struct coresight_connection { * @orphan: true if the component has connections that haven't been linked. * @enable: 'true' if component is currently part of an active path. * @activated: 'true' only if a _sink_ has been activated. A sink can be - activated but not yet enabled. Enabling for a _sink_ - happens when a source has been selected for that it. + * activated but not yet enabled. Enabling for a _sink_ + * appens when a source has been selected for that it. + * @ea: Device attribute for sink representation under PMU directory. */ struct coresight_device { struct coresight_connection *conns; @@ -168,7 +169,9 @@ struct coresight_device { atomic_t *refcnt; bool orphan; bool enable; /* true only if configured as part of a path */ + /* sink specific fields */ bool activated; /* true only if a sink is part of a path */ + struct dev_ext_attribute *ea; }; #define to_coresight_device(d) container_of(d, struct coresight_device, dev) diff --git a/include/linux/cpu.h b/include/linux/cpu.h index 218df7f4d3e1..5041357d0297 100644 --- a/include/linux/cpu.h +++ b/include/linux/cpu.h @@ -180,12 +180,10 @@ enum cpuhp_smt_control { #if defined(CONFIG_SMP) && defined(CONFIG_HOTPLUG_SMT) extern enum cpuhp_smt_control cpu_smt_control; extern void cpu_smt_disable(bool force); -extern void cpu_smt_check_topology_early(void); extern void cpu_smt_check_topology(void); #else # define cpu_smt_control (CPU_SMT_ENABLED) static inline void cpu_smt_disable(bool force) { } -static inline void cpu_smt_check_topology_early(void) { } static inline void cpu_smt_check_topology(void) { } #endif diff --git a/include/linux/cpuhotplug.h b/include/linux/cpuhotplug.h index fd586d0301e7..e78281d07b70 100644 --- a/include/linux/cpuhotplug.h +++ b/include/linux/cpuhotplug.h @@ -121,6 +121,7 @@ enum cpuhp_state { CPUHP_AP_EXYNOS4_MCT_TIMER_STARTING, CPUHP_AP_ARM_TWD_STARTING, CPUHP_AP_QCOM_TIMER_STARTING, + CPUHP_AP_TEGRA_TIMER_STARTING, CPUHP_AP_ARMADA_TIMER_STARTING, CPUHP_AP_MARCO_TIMER_STARTING, CPUHP_AP_MIPS_GIC_TIMER_STARTING, diff --git a/include/linux/crypto.h b/include/linux/crypto.h index 902ec171fc6d..f2565a103158 100644 --- a/include/linux/crypto.h +++ b/include/linux/crypto.h @@ -118,7 +118,7 @@ #define CRYPTO_TFM_REQ_MASK 0x000fff00 #define CRYPTO_TFM_RES_MASK 0xfff00000 -#define CRYPTO_TFM_REQ_WEAK_KEY 0x00000100 +#define CRYPTO_TFM_REQ_FORBID_WEAK_KEYS 0x00000100 #define CRYPTO_TFM_REQ_MAY_SLEEP 0x00000200 #define CRYPTO_TFM_REQ_MAY_BACKLOG 0x00000400 #define CRYPTO_TFM_RES_WEAK_KEY 0x00100000 @@ -188,14 +188,6 @@ struct blkcipher_desc { u32 flags; }; -struct cipher_desc { - struct crypto_tfm *tfm; - void (*crfn)(struct crypto_tfm *tfm, u8 *dst, const u8 *src); - unsigned int (*prfn)(const struct cipher_desc *desc, u8 *dst, - const u8 *src, unsigned int nbytes); - void *info; -}; - /** * DOC: Block Cipher Algorithm Definitions * diff --git a/include/linux/davinci_emac.h b/include/linux/davinci_emac.h index 05b97144d342..28e6cf1356da 100644 --- a/include/linux/davinci_emac.h +++ b/include/linux/davinci_emac.h @@ -46,5 +46,4 @@ enum { EMAC_VERSION_2, /* DM646x */ }; -void davinci_get_mac_addr(struct nvmem_device *nvmem, void *context); #endif diff --git a/include/linux/dcache.h b/include/linux/dcache.h index ef4b70f64f33..60996e64c579 100644 --- a/include/linux/dcache.h +++ b/include/linux/dcache.h @@ -62,9 +62,10 @@ extern const struct qstr slash_name; struct dentry_stat_t { long nr_dentry; long nr_unused; - long age_limit; /* age in seconds */ - long want_pages; /* pages requested by system */ - long dummy[2]; + long age_limit; /* age in seconds */ + long want_pages; /* pages requested by system */ + long nr_negative; /* # of unused negative dentries */ + long dummy; /* Reserved for future use */ }; extern struct dentry_stat_t dentry_stat; diff --git a/include/linux/efi.h b/include/linux/efi.h index 45ff763fba76..ae96ea145ae3 100644 --- a/include/linux/efi.h +++ b/include/linux/efi.h @@ -48,7 +48,20 @@ typedef u16 efi_char16_t; /* UNICODE character */ typedef u64 efi_physical_addr_t; typedef void *efi_handle_t; -typedef guid_t efi_guid_t; +/* + * The UEFI spec and EDK2 reference implementation both define EFI_GUID as + * struct { u32 a; u16; b; u16 c; u8 d[8]; }; and so the implied alignment + * is 32 bits not 8 bits like our guid_t. In some cases (i.e., on 32-bit ARM), + * this means that firmware services invoked by the kernel may assume that + * efi_guid_t* arguments are 32-bit aligned, and use memory accessors that + * do not tolerate misalignment. So let's set the minimum alignment to 32 bits. + * + * Note that the UEFI spec as well as some comments in the EDK2 code base + * suggest that EFI_GUID should be 64-bit aligned, but this appears to be + * a mistake, given that no code seems to exist that actually enforces that + * or relies on it. + */ +typedef guid_t efi_guid_t __aligned(__alignof__(u32)); #define EFI_GUID(a,b,c,d0,d1,d2,d3,d4,d5,d6,d7) \ GUID_INIT(a, b, c, d0, d1, d2, d3, d4, d5, d6, d7) @@ -1198,8 +1211,6 @@ static inline bool efi_enabled(int feature) extern void efi_reboot(enum reboot_mode reboot_mode, const char *__unused); extern bool efi_is_table_address(unsigned long phys_addr); - -extern int efi_apply_persistent_mem_reservations(void); #else static inline bool efi_enabled(int feature) { @@ -1218,11 +1229,6 @@ static inline bool efi_is_table_address(unsigned long phys_addr) { return false; } - -static inline int efi_apply_persistent_mem_reservations(void) -{ - return 0; -} #endif extern int efi_status_to_err(efi_status_t status); @@ -1706,19 +1712,19 @@ extern int efi_tpm_eventlog_init(void); * fault happened while executing an efi runtime service. */ enum efi_rts_ids { - NONE, - GET_TIME, - SET_TIME, - GET_WAKEUP_TIME, - SET_WAKEUP_TIME, - GET_VARIABLE, - GET_NEXT_VARIABLE, - SET_VARIABLE, - QUERY_VARIABLE_INFO, - GET_NEXT_HIGH_MONO_COUNT, - RESET_SYSTEM, - UPDATE_CAPSULE, - QUERY_CAPSULE_CAPS, + EFI_NONE, + EFI_GET_TIME, + EFI_SET_TIME, + EFI_GET_WAKEUP_TIME, + EFI_SET_WAKEUP_TIME, + EFI_GET_VARIABLE, + EFI_GET_NEXT_VARIABLE, + EFI_SET_VARIABLE, + EFI_QUERY_VARIABLE_INFO, + EFI_GET_NEXT_HIGH_MONO_COUNT, + EFI_RESET_SYSTEM, + EFI_UPDATE_CAPSULE, + EFI_QUERY_CAPSULE_CAPS, }; /* diff --git a/include/linux/etherdevice.h b/include/linux/etherdevice.h index 2c0af7b00715..e2f3b21cd72a 100644 --- a/include/linux/etherdevice.h +++ b/include/linux/etherdevice.h @@ -44,6 +44,7 @@ int eth_header_cache(const struct neighbour *neigh, struct hh_cache *hh, __be16 type); void eth_header_cache_update(struct hh_cache *hh, const struct net_device *dev, const unsigned char *haddr); +__be16 eth_header_parse_protocol(const struct sk_buff *skb); int eth_prepare_mac_addr_change(struct net_device *dev, void *p); void eth_commit_mac_addr_change(struct net_device *dev, void *p); int eth_mac_addr(struct net_device *dev, void *p); diff --git a/include/linux/ethtool.h b/include/linux/ethtool.h index afd9596ce636..e6ebc9761822 100644 --- a/include/linux/ethtool.h +++ b/include/linux/ethtool.h @@ -98,10 +98,6 @@ static inline u32 ethtool_rxfh_indir_default(u32 index, u32 n_rx_rings) return index % n_rx_rings; } -/* number of link mode bits/ulongs handled internally by kernel */ -#define __ETHTOOL_LINK_MODE_MASK_NBITS \ - (__ETHTOOL_LINK_MODE_LAST + 1) - /* declare a link mode bitmap */ #define __ETHTOOL_DECLARE_LINK_MODE_MASK(name) \ DECLARE_BITMAP(name, __ETHTOOL_LINK_MODE_MASK_NBITS) @@ -400,4 +396,19 @@ struct ethtool_ops { void (*get_ethtool_phy_stats)(struct net_device *, struct ethtool_stats *, u64 *); }; + +struct ethtool_rx_flow_rule { + struct flow_rule *rule; + unsigned long priv[0]; +}; + +struct ethtool_rx_flow_spec_input { + const struct ethtool_rx_flow_spec *fs; + u32 rss_ctx; +}; + +struct ethtool_rx_flow_rule * +ethtool_rx_flow_rule_create(const struct ethtool_rx_flow_spec_input *input); +void ethtool_rx_flow_rule_destroy(struct ethtool_rx_flow_rule *rule); + #endif /* _LINUX_ETHTOOL_H */ diff --git a/include/linux/fcntl.h b/include/linux/fcntl.h index 27dc7a60693e..d019df946cb2 100644 --- a/include/linux/fcntl.h +++ b/include/linux/fcntl.h @@ -12,7 +12,7 @@ O_NOATIME | O_CLOEXEC | O_PATH | __O_TMPFILE) #ifndef force_o_largefile -#define force_o_largefile() (BITS_PER_LONG != 32) +#define force_o_largefile() (!IS_ENABLED(CONFIG_ARCH_32BIT_OFF_T)) #endif #if BITS_PER_LONG == 32 diff --git a/include/linux/filter.h b/include/linux/filter.h index ad106d845b22..6074aa064b54 100644 --- a/include/linux/filter.h +++ b/include/linux/filter.h @@ -277,6 +277,26 @@ struct sock_reuseport; .off = OFF, \ .imm = IMM }) +/* Like BPF_JMP_REG, but with 32-bit wide operands for comparison. */ + +#define BPF_JMP32_REG(OP, DST, SRC, OFF) \ + ((struct bpf_insn) { \ + .code = BPF_JMP32 | BPF_OP(OP) | BPF_X, \ + .dst_reg = DST, \ + .src_reg = SRC, \ + .off = OFF, \ + .imm = 0 }) + +/* Like BPF_JMP_IMM, but with 32-bit wide operands for comparison. */ + +#define BPF_JMP32_IMM(OP, DST, IMM, OFF) \ + ((struct bpf_insn) { \ + .code = BPF_JMP32 | BPF_OP(OP) | BPF_K, \ + .dst_reg = DST, \ + .src_reg = 0, \ + .off = OFF, \ + .imm = IMM }) + /* Unconditional jumps, goto pc + off16 */ #define BPF_JMP_A(OFF) \ @@ -513,7 +533,24 @@ struct sk_filter { struct bpf_prog *prog; }; -#define BPF_PROG_RUN(filter, ctx) (*(filter)->bpf_func)(ctx, (filter)->insnsi) +DECLARE_STATIC_KEY_FALSE(bpf_stats_enabled_key); + +#define BPF_PROG_RUN(prog, ctx) ({ \ + u32 ret; \ + cant_sleep(); \ + if (static_branch_unlikely(&bpf_stats_enabled_key)) { \ + struct bpf_prog_stats *stats; \ + u64 start = sched_clock(); \ + ret = (*(prog)->bpf_func)(ctx, (prog)->insnsi); \ + stats = this_cpu_ptr(prog->aux->stats); \ + u64_stats_update_begin(&stats->syncp); \ + stats->cnt++; \ + stats->nsecs += sched_clock() - start; \ + u64_stats_update_end(&stats->syncp); \ + } else { \ + ret = (*(prog)->bpf_func)(ctx, (prog)->insnsi); \ + } \ + ret; }) #define BPF_SKB_CB_LEN QDISC_CB_PRIV_LEN @@ -591,8 +628,8 @@ static inline u8 *bpf_skb_cb(struct sk_buff *skb) return qdisc_skb_cb(skb)->data; } -static inline u32 bpf_prog_run_save_cb(const struct bpf_prog *prog, - struct sk_buff *skb) +static inline u32 __bpf_prog_run_save_cb(const struct bpf_prog *prog, + struct sk_buff *skb) { u8 *cb_data = bpf_skb_cb(skb); u8 cb_saved[BPF_SKB_CB_LEN]; @@ -611,15 +648,30 @@ static inline u32 bpf_prog_run_save_cb(const struct bpf_prog *prog, return res; } +static inline u32 bpf_prog_run_save_cb(const struct bpf_prog *prog, + struct sk_buff *skb) +{ + u32 res; + + preempt_disable(); + res = __bpf_prog_run_save_cb(prog, skb); + preempt_enable(); + return res; +} + static inline u32 bpf_prog_run_clear_cb(const struct bpf_prog *prog, struct sk_buff *skb) { u8 *cb_data = bpf_skb_cb(skb); + u32 res; if (unlikely(prog->cb_access)) memset(cb_data, 0, BPF_SKB_CB_LEN); - return BPF_PROG_RUN(prog, skb); + preempt_disable(); + res = BPF_PROG_RUN(prog, skb); + preempt_enable(); + return res; } static __always_inline u32 bpf_prog_run_xdp(const struct bpf_prog *prog, @@ -729,6 +781,7 @@ void bpf_prog_free_jited_linfo(struct bpf_prog *prog); void bpf_prog_free_unused_jited_linfo(struct bpf_prog *prog); struct bpf_prog *bpf_prog_alloc(unsigned int size, gfp_t gfp_extra_flags); +struct bpf_prog *bpf_prog_alloc_no_stats(unsigned int size, gfp_t gfp_extra_flags); struct bpf_prog *bpf_prog_realloc(struct bpf_prog *fp_old, unsigned int size, gfp_t gfp_extra_flags); void __bpf_prog_free(struct bpf_prog *fp); @@ -778,6 +831,7 @@ static inline bool bpf_dump_raw_ok(void) struct bpf_prog *bpf_patch_insn_single(struct bpf_prog *prog, u32 off, const struct bpf_insn *patch, u32 len); +int bpf_remove_insns(struct bpf_prog *prog, u32 off, u32 cnt); void bpf_clear_redirect_map(struct bpf_map *map); @@ -859,7 +913,9 @@ bpf_jit_binary_alloc(unsigned int proglen, u8 **image_ptr, unsigned int alignment, bpf_jit_fill_hole_t bpf_fill_ill_insns); void bpf_jit_binary_free(struct bpf_binary_header *hdr); - +u64 bpf_jit_alloc_exec_limit(void); +void *bpf_jit_alloc_exec(unsigned long size); +void bpf_jit_free_exec(void *addr); void bpf_jit_free(struct bpf_prog *fp); int bpf_jit_get_func_addr(const struct bpf_prog *prog, @@ -951,6 +1007,7 @@ bpf_address_lookup(unsigned long addr, unsigned long *size, void bpf_prog_kallsyms_add(struct bpf_prog *fp); void bpf_prog_kallsyms_del(struct bpf_prog *fp); +void bpf_get_prog_name(const struct bpf_prog *prog, char *sym); #else /* CONFIG_BPF_JIT */ @@ -1006,6 +1063,12 @@ static inline void bpf_prog_kallsyms_add(struct bpf_prog *fp) static inline void bpf_prog_kallsyms_del(struct bpf_prog *fp) { } + +static inline void bpf_get_prog_name(const struct bpf_prog *prog, char *sym) +{ + sym[0] = '\0'; +} + #endif /* CONFIG_BPF_JIT */ void bpf_prog_kallsyms_del_subprogs(struct bpf_prog *fp); diff --git a/include/linux/fs.h b/include/linux/fs.h index 811c77743dad..fd423fec8d83 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -304,13 +304,19 @@ enum rw_hint { struct kiocb { struct file *ki_filp; + + /* The 'ki_filp' pointer is shared in a union for aio */ + randomized_struct_fields_start + loff_t ki_pos; void (*ki_complete)(struct kiocb *iocb, long ret, long ret2); void *private; int ki_flags; u16 ki_hint; u16 ki_ioprio; /* See linux/ioprio.h */ -} __randomize_layout; + + randomized_struct_fields_end +}; static inline bool is_sync_kiocb(struct kiocb *kiocb) { @@ -1479,11 +1485,12 @@ struct super_block { struct user_namespace *s_user_ns; /* - * Keep the lru lists last in the structure so they always sit on their - * own individual cachelines. + * The list_lru structure is essentially just a pointer to a table + * of per-node lru lists, each of which has its own spinlock. + * There is no need to put them into separate cachelines. */ - struct list_lru s_dentry_lru ____cacheline_aligned_in_smp; - struct list_lru s_inode_lru ____cacheline_aligned_in_smp; + struct list_lru s_dentry_lru; + struct list_lru s_inode_lru; struct rcu_head rcu; struct work_struct destroy_work; diff --git a/include/linux/fsl/ptp_qoriq.h b/include/linux/fsl/ptp_qoriq.h index c1f003aadcce..992bf9fa1729 100644 --- a/include/linux/fsl/ptp_qoriq.h +++ b/include/linux/fsl/ptp_qoriq.h @@ -7,6 +7,7 @@ #define __PTP_QORIQ_H__ #include <linux/io.h> +#include <linux/interrupt.h> #include <linux/ptp_clock_kernel.h> /* @@ -49,7 +50,7 @@ struct etts_regs { u32 tmr_etts2_l; /* Timestamp of general purpose external trigger */ }; -struct qoriq_ptp_registers { +struct ptp_qoriq_registers { struct ctrl_regs __iomem *ctrl_regs; struct alarm_regs __iomem *alarm_regs; struct fiper_regs __iomem *fiper_regs; @@ -57,15 +58,15 @@ struct qoriq_ptp_registers { }; /* Offset definitions for the four register groups */ -#define CTRL_REGS_OFFSET 0x0 -#define ALARM_REGS_OFFSET 0x40 -#define FIPER_REGS_OFFSET 0x80 -#define ETTS_REGS_OFFSET 0xa0 +#define ETSEC_CTRL_REGS_OFFSET 0x0 +#define ETSEC_ALARM_REGS_OFFSET 0x40 +#define ETSEC_FIPER_REGS_OFFSET 0x80 +#define ETSEC_ETTS_REGS_OFFSET 0xa0 -#define FMAN_CTRL_REGS_OFFSET 0x80 -#define FMAN_ALARM_REGS_OFFSET 0xb8 -#define FMAN_FIPER_REGS_OFFSET 0xd0 -#define FMAN_ETTS_REGS_OFFSET 0xe0 +#define CTRL_REGS_OFFSET 0x80 +#define ALARM_REGS_OFFSET 0xb8 +#define FIPER_REGS_OFFSET 0xd0 +#define ETTS_REGS_OFFSET 0xe0 /* Bit definitions for the TMR_CTRL register */ @@ -120,6 +121,8 @@ struct qoriq_ptp_registers { /* Bit definitions for the TMR_STAT register */ #define STAT_VEC_SHIFT (0) /* Timer general purpose status vector */ #define STAT_VEC_MASK (0x3f) +#define ETS1_VLD (1<<24) +#define ETS2_VLD (1<<25) /* Bit definitions for the TMR_PRSC register */ #define PRSC_OCK_SHIFT (0) /* Output clock division/prescale factor. */ @@ -134,13 +137,16 @@ struct qoriq_ptp_registers { #define DEFAULT_FIPER1_PERIOD 1000000000 #define DEFAULT_FIPER2_PERIOD 100000 -struct qoriq_ptp { +struct ptp_qoriq { void __iomem *base; - struct qoriq_ptp_registers regs; + struct ptp_qoriq_registers regs; spinlock_t lock; /* protects regs */ struct ptp_clock *clock; struct ptp_clock_info caps; struct resource *rsrc; + struct dentry *debugfs_root; + struct device *dev; + bool extts_fifo_support; int irq; int phc_index; u64 alarm_interval; /* for periodic alarm */ @@ -151,19 +157,49 @@ struct qoriq_ptp { u32 cksel; u32 tmr_fiper1; u32 tmr_fiper2; + u32 (*read)(unsigned __iomem *addr); + void (*write)(unsigned __iomem *addr, u32 val); }; -static inline u32 qoriq_read(unsigned __iomem *addr) +static inline u32 qoriq_read_be(unsigned __iomem *addr) { - u32 val; - - val = ioread32be(addr); - return val; + return ioread32be(addr); } -static inline void qoriq_write(unsigned __iomem *addr, u32 val) +static inline void qoriq_write_be(unsigned __iomem *addr, u32 val) { iowrite32be(val, addr); } +static inline u32 qoriq_read_le(unsigned __iomem *addr) +{ + return ioread32(addr); +} + +static inline void qoriq_write_le(unsigned __iomem *addr, u32 val) +{ + iowrite32(val, addr); +} + +irqreturn_t ptp_qoriq_isr(int irq, void *priv); +int ptp_qoriq_init(struct ptp_qoriq *ptp_qoriq, void __iomem *base, + const struct ptp_clock_info *caps); +void ptp_qoriq_free(struct ptp_qoriq *ptp_qoriq); +int ptp_qoriq_adjfine(struct ptp_clock_info *ptp, long scaled_ppm); +int ptp_qoriq_adjtime(struct ptp_clock_info *ptp, s64 delta); +int ptp_qoriq_gettime(struct ptp_clock_info *ptp, struct timespec64 *ts); +int ptp_qoriq_settime(struct ptp_clock_info *ptp, + const struct timespec64 *ts); +int ptp_qoriq_enable(struct ptp_clock_info *ptp, + struct ptp_clock_request *rq, int on); +#ifdef CONFIG_DEBUG_FS +void ptp_qoriq_create_debugfs(struct ptp_qoriq *ptp_qoriq); +void ptp_qoriq_remove_debugfs(struct ptp_qoriq *ptp_qoriq); +#else +static inline void ptp_qoriq_create_debugfs(struct ptp_qoriq *ptp_qoriq) +{ } +static inline void ptp_qoriq_remove_debugfs(struct ptp_qoriq *ptp_qoriq) +{ } +#endif + #endif diff --git a/include/linux/hid-debug.h b/include/linux/hid-debug.h index 8663f216c563..2d6100edf204 100644 --- a/include/linux/hid-debug.h +++ b/include/linux/hid-debug.h @@ -24,7 +24,10 @@ #ifdef CONFIG_DEBUG_FS +#include <linux/kfifo.h> + #define HID_DEBUG_BUFSIZE 512 +#define HID_DEBUG_FIFOSIZE 512 void hid_dump_input(struct hid_device *, struct hid_usage *, __s32); void hid_dump_report(struct hid_device *, int , u8 *, int); @@ -37,11 +40,8 @@ void hid_debug_init(void); void hid_debug_exit(void); void hid_debug_event(struct hid_device *, char *); - struct hid_debug_list { - char *hid_debug_buf; - int head; - int tail; + DECLARE_KFIFO_PTR(hid_debug_fifo, char); struct fasync_struct *fasync; struct hid_device *hdev; struct list_head node; @@ -64,4 +64,3 @@ struct hid_debug_list { #endif #endif - diff --git a/include/linux/ide.h b/include/linux/ide.h index e7d29ae633cd..971cf76a78a0 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -615,6 +615,7 @@ struct ide_drive_s { /* current sense rq and buffer */ bool sense_rq_armed; + bool sense_rq_active; struct request *sense_rq; struct request_sense sense_data; @@ -1219,6 +1220,7 @@ extern void ide_stall_queue(ide_drive_t *drive, unsigned long timeout); extern void ide_timer_expiry(struct timer_list *t); extern irqreturn_t ide_intr(int irq, void *dev_id); extern blk_status_t ide_queue_rq(struct blk_mq_hw_ctx *, const struct blk_mq_queue_data *); +extern blk_status_t ide_issue_rq(ide_drive_t *, struct request *, bool); extern void ide_requeue_and_plug(ide_drive_t *drive, struct request *rq); void ide_init_disk(struct gendisk *, ide_drive_t *); diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h index 3b04e72315e1..48703ec60d06 100644 --- a/include/linux/ieee80211.h +++ b/include/linux/ieee80211.h @@ -8,7 +8,7 @@ * Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net> * Copyright (c) 2013 - 2014 Intel Mobile Communications GmbH * Copyright (c) 2016 - 2017 Intel Deutschland GmbH - * Copyright (c) 2018 Intel Corporation + * Copyright (c) 2018 - 2019 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 @@ -1803,6 +1803,9 @@ int ieee80211_get_vht_max_nss(struct ieee80211_vht_cap *cap, #define IEEE80211_HE_MAC_CAP5_SUBCHAN_SELECVITE_TRANSMISSION 0x04 #define IEEE80211_HE_MAC_CAP5_UL_2x996_TONE_RU 0x08 #define IEEE80211_HE_MAC_CAP5_OM_CTRL_UL_MU_DATA_DIS_RX 0x10 +#define IEEE80211_HE_MAC_CAP5_HE_DYNAMIC_SM_PS 0x20 +#define IEEE80211_HE_MAC_CAP5_PUNCTURED_SOUNDING 0x40 +#define IEEE80211_HE_MAC_CAP5_HT_VHT_TRIG_FRAME_RX 0x80 /* 802.11ax HE PHY capabilities */ #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G 0x02 @@ -1926,11 +1929,11 @@ int ieee80211_get_vht_max_nss(struct ieee80211_vht_cap *cap, #define IEEE80211_HE_PHY_CAP8_80MHZ_IN_160MHZ_HE_PPDU 0x08 #define IEEE80211_HE_PHY_CAP8_HE_ER_SU_1XLTF_AND_08_US_GI 0x10 #define IEEE80211_HE_PHY_CAP8_MIDAMBLE_RX_TX_2X_AND_1XLTF 0x20 -#define IEEE80211_HE_PHY_CAP8_DCM_MAX_BW_20MHZ 0x00 -#define IEEE80211_HE_PHY_CAP8_DCM_MAX_BW_40MHZ 0x40 -#define IEEE80211_HE_PHY_CAP8_DCM_MAX_BW_80MHZ 0x80 -#define IEEE80211_HE_PHY_CAP8_DCM_MAX_BW_160_OR_80P80_MHZ 0xc0 -#define IEEE80211_HE_PHY_CAP8_DCM_MAX_BW_MASK 0xc0 +#define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_242 0x00 +#define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_484 0x40 +#define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_996 0x80 +#define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_2x996 0xc0 +#define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_MASK 0xc0 #define IEEE80211_HE_PHY_CAP9_LONGER_THAN_16_SIGB_OFDM_SYM 0x01 #define IEEE80211_HE_PHY_CAP9_NON_TRIGGERED_CQI_FEEDBACK 0x02 @@ -1938,6 +1941,11 @@ int ieee80211_get_vht_max_nss(struct ieee80211_vht_cap *cap, #define IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU 0x08 #define IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_COMP_SIGB 0x10 #define IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_NON_COMP_SIGB 0x20 +#define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_0US 0x00 +#define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_8US 0x40 +#define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_16US 0x80 +#define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_RESERVED 0xc0 +#define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_MASK 0xc0 /* 802.11ax HE TX/RX MCS NSS Support */ #define IEEE80211_TX_RX_MCS_NSS_SUPP_HIGHEST_MCS_POS (3) @@ -2016,7 +2024,7 @@ ieee80211_he_ppe_size(u8 ppe_thres_hdr, const u8 *phy_cap_info) #define IEEE80211_HE_OPERATION_RTS_THRESHOLD_MASK 0x00003ff0 #define IEEE80211_HE_OPERATION_RTS_THRESHOLD_OFFSET 4 #define IEEE80211_HE_OPERATION_VHT_OPER_INFO 0x00004000 -#define IEEE80211_HE_OPERATION_CO_LOCATED_BSS 0x00008000 +#define IEEE80211_HE_OPERATION_CO_HOSTED_BSS 0x00008000 #define IEEE80211_HE_OPERATION_ER_SU_DISABLE 0x00010000 #define IEEE80211_HE_OPERATION_BSS_COLOR_MASK 0x3f000000 #define IEEE80211_HE_OPERATION_BSS_COLOR_OFFSET 24 @@ -2046,7 +2054,7 @@ ieee80211_he_oper_size(const u8 *he_oper_ie) he_oper_params = le32_to_cpu(he_oper->he_oper_params); if (he_oper_params & IEEE80211_HE_OPERATION_VHT_OPER_INFO) oper_len += 3; - if (he_oper_params & IEEE80211_HE_OPERATION_CO_LOCATED_BSS) + if (he_oper_params & IEEE80211_HE_OPERATION_CO_HOSTED_BSS) oper_len++; /* Add the first byte (extension ID) to the total length */ @@ -2118,6 +2126,8 @@ ieee80211_he_oper_size(const u8 *he_oper_ie) #define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC 0 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA 1 #define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI 2 +#define IEEE80211_SPCT_MSR_RPRT_TYPE_LCI 8 +#define IEEE80211_SPCT_MSR_RPRT_TYPE_CIVIC 11 /* 802.11g ERP information element */ #define WLAN_ERP_NON_ERP_PRESENT (1<<0) @@ -2475,6 +2485,8 @@ enum ieee80211_eid_ext { WLAN_EID_EXT_HE_OPERATION = 36, WLAN_EID_EXT_UORA = 37, WLAN_EID_EXT_HE_MU_EDCA = 38, + WLAN_EID_EXT_MAX_CHANNEL_SWITCH_TIME = 52, + WLAN_EID_EXT_MULTIPLE_BSSID_CONFIGURATION = 55, }; /* Action category code */ @@ -2656,6 +2668,11 @@ enum ieee80211_tdls_actioncode { */ #define WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING BIT(2) +/* Multiple BSSID capability is set in the 6th bit of 3rd byte of the + * @WLAN_EID_EXT_CAPABILITY information element + */ +#define WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT BIT(6) + /* TDLS capabilities in the the 4th byte of @WLAN_EID_EXT_CAPABILITY */ #define WLAN_EXT_CAPA4_TDLS_BUFFER_STA BIT(4) #define WLAN_EXT_CAPA4_TDLS_PEER_PSM BIT(5) @@ -2691,6 +2708,9 @@ enum ieee80211_tdls_actioncode { #define WLAN_EXT_CAPA10_TWT_REQUESTER_SUPPORT BIT(5) #define WLAN_EXT_CAPA10_TWT_RESPONDER_SUPPORT BIT(6) +/* Defines support for enhanced multi-bssid advertisement*/ +#define WLAN_EXT_CAPA11_EMA_SUPPORT BIT(1) + /* TDLS specific payload type in the LLC/SNAP header */ #define WLAN_TDLS_SNAP_RFTYPE 0x2 @@ -2882,6 +2902,34 @@ enum ieee80211_sa_query_action { WLAN_ACTION_SA_QUERY_RESPONSE = 1, }; +/** + * struct ieee80211_bssid_index + * + * This structure refers to "Multiple BSSID-index element" + * + * @bssid_index: BSSID index + * @dtim_period: optional, overrides transmitted BSS dtim period + * @dtim_count: optional, overrides transmitted BSS dtim count + */ +struct ieee80211_bssid_index { + u8 bssid_index; + u8 dtim_period; + u8 dtim_count; +}; + +/** + * struct ieee80211_multiple_bssid_configuration + * + * This structure refers to "Multiple BSSID Configuration element" + * + * @bssid_count: total number of active BSSIDs in the set + * @profile_periodicity: the least number of beacon frames need to be received + * in order to discover all the nontransmitted BSSIDs in the set. + */ +struct ieee80211_multiple_bssid_configuration { + u8 bssid_count; + u8 profile_periodicity; +}; #define SUITE(oui, id) (((oui) << 8) | (id)) @@ -3243,4 +3291,57 @@ static inline bool ieee80211_action_contains_tpc(struct sk_buff *skb) return true; } +struct element { + u8 id; + u8 datalen; + u8 data[]; +} __packed; + +/* element iteration helpers */ +#define for_each_element(_elem, _data, _datalen) \ + for (_elem = (const struct element *)(_data); \ + (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >= \ + (int)sizeof(*_elem) && \ + (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >= \ + (int)sizeof(*_elem) + _elem->datalen; \ + _elem = (const struct element *)(_elem->data + _elem->datalen)) + +#define for_each_element_id(element, _id, data, datalen) \ + for_each_element(element, data, datalen) \ + if (element->id == (_id)) + +#define for_each_element_extid(element, extid, _data, _datalen) \ + for_each_element(element, _data, _datalen) \ + if (element->id == WLAN_EID_EXTENSION && \ + element->datalen > 0 && \ + element->data[0] == (extid)) + +#define for_each_subelement(sub, element) \ + for_each_element(sub, (element)->data, (element)->datalen) + +#define for_each_subelement_id(sub, id, element) \ + for_each_element_id(sub, id, (element)->data, (element)->datalen) + +#define for_each_subelement_extid(sub, extid, element) \ + for_each_element_extid(sub, extid, (element)->data, (element)->datalen) + +/** + * for_each_element_completed - determine if element parsing consumed all data + * @element: element pointer after for_each_element() or friends + * @data: same data pointer as passed to for_each_element() or friends + * @datalen: same data length as passed to for_each_element() or friends + * + * This function returns %true if all the data was parsed or considered + * while walking the elements. Only use this if your for_each_element() + * loop cannot be broken out of, otherwise it always returns %false. + * + * If some data was malformed, this returns %false since the last parsed + * element will not fill the whole remaining data. + */ +static inline bool for_each_element_completed(const struct element *element, + const void *data, size_t datalen) +{ + return (const u8 *)element == (const u8 *)data + datalen; +} + #endif /* LINUX_IEEE80211_H */ diff --git a/include/linux/igmp.h b/include/linux/igmp.h index 119f53941c12..cc85f4524dbf 100644 --- a/include/linux/igmp.h +++ b/include/linux/igmp.h @@ -18,6 +18,7 @@ #include <linux/skbuff.h> #include <linux/timer.h> #include <linux/in.h> +#include <linux/ip.h> #include <linux/refcount.h> #include <uapi/linux/igmp.h> @@ -106,6 +107,14 @@ struct ip_mc_list { #define IGMPV3_QQIC(value) IGMPV3_EXP(0x80, 4, 3, value) #define IGMPV3_MRC(value) IGMPV3_EXP(0x80, 4, 3, value) +static inline int ip_mc_may_pull(struct sk_buff *skb, unsigned int len) +{ + if (skb_transport_offset(skb) + ip_transport_len(skb) < len) + return -EINVAL; + + return pskb_may_pull(skb, len); +} + extern int ip_check_mc_rcu(struct in_device *dev, __be32 mc_addr, __be32 src_addr, u8 proto); extern int igmp_rcv(struct sk_buff *); extern int ip_mc_join_group(struct sock *sk, struct ip_mreqn *imr); @@ -128,8 +137,14 @@ extern void ip_mc_up(struct in_device *); extern void ip_mc_down(struct in_device *); extern void ip_mc_unmap(struct in_device *); extern void ip_mc_remap(struct in_device *); -extern void ip_mc_dec_group(struct in_device *in_dev, __be32 addr); +extern void __ip_mc_dec_group(struct in_device *in_dev, __be32 addr, gfp_t gfp); +static inline void ip_mc_dec_group(struct in_device *in_dev, __be32 addr) +{ + return __ip_mc_dec_group(in_dev, addr, GFP_KERNEL); +} +extern void __ip_mc_inc_group(struct in_device *in_dev, __be32 addr, + gfp_t gfp); extern void ip_mc_inc_group(struct in_device *in_dev, __be32 addr); -int ip_mc_check_igmp(struct sk_buff *skb, struct sk_buff **skb_trimmed); +int ip_mc_check_igmp(struct sk_buff *skb); #endif diff --git a/include/linux/in.h b/include/linux/in.h index 31b493734763..435e7f2a513a 100644 --- a/include/linux/in.h +++ b/include/linux/in.h @@ -60,6 +60,11 @@ static inline bool ipv4_is_lbcast(__be32 addr) return addr == htonl(INADDR_BROADCAST); } +static inline bool ipv4_is_all_snoopers(__be32 addr) +{ + return addr == htonl(INADDR_ALLSNOOPERS_GROUP); +} + static inline bool ipv4_is_zeronet(__be32 addr) { return (addr & htonl(0xff000000)) == htonl(0x00000000); diff --git a/include/linux/init_task.h b/include/linux/init_task.h index a7083a45a26c..6049baa5b8bc 100644 --- a/include/linux/init_task.h +++ b/include/linux/init_task.h @@ -13,6 +13,7 @@ #include <linux/securebits.h> #include <linux/seqlock.h> #include <linux/rbtree.h> +#include <linux/refcount.h> #include <linux/sched/autogroup.h> #include <net/net_namespace.h> #include <linux/sched/rt.h> diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h index 4a728dba02e2..690b238a44d5 100644 --- a/include/linux/interrupt.h +++ b/include/linux/interrupt.h @@ -156,6 +156,10 @@ __request_percpu_irq(unsigned int irq, irq_handler_t handler, unsigned long flags, const char *devname, void __percpu *percpu_dev_id); +extern int __must_check +request_nmi(unsigned int irq, irq_handler_t handler, unsigned long flags, + const char *name, void *dev); + static inline int __must_check request_percpu_irq(unsigned int irq, irq_handler_t handler, const char *devname, void __percpu *percpu_dev_id) @@ -164,9 +168,16 @@ request_percpu_irq(unsigned int irq, irq_handler_t handler, devname, percpu_dev_id); } +extern int __must_check +request_percpu_nmi(unsigned int irq, irq_handler_t handler, + const char *devname, void __percpu *dev); + extern const void *free_irq(unsigned int, void *); extern void free_percpu_irq(unsigned int, void __percpu *); +extern const void *free_nmi(unsigned int irq, void *dev_id); +extern void free_percpu_nmi(unsigned int irq, void __percpu *percpu_dev_id); + struct device; extern int __must_check @@ -217,6 +228,13 @@ extern void enable_percpu_irq(unsigned int irq, unsigned int type); extern bool irq_percpu_is_enabled(unsigned int irq); extern void irq_wake_thread(unsigned int irq, void *dev_id); +extern void disable_nmi_nosync(unsigned int irq); +extern void disable_percpu_nmi(unsigned int irq); +extern void enable_nmi(unsigned int irq); +extern void enable_percpu_nmi(unsigned int irq, unsigned int type); +extern int prepare_percpu_nmi(unsigned int irq); +extern void teardown_percpu_nmi(unsigned int irq); + /* The following three functions are for the core kernel use only. */ extern void suspend_device_irqs(void); extern void resume_device_irqs(void); @@ -241,20 +259,29 @@ struct irq_affinity_notify { void (*release)(struct kref *ref); }; +#define IRQ_AFFINITY_MAX_SETS 4 + /** * struct irq_affinity - Description for automatic irq affinity assignements * @pre_vectors: Don't apply affinity to @pre_vectors at beginning of * the MSI(-X) vector space * @post_vectors: Don't apply affinity to @post_vectors at end of * the MSI(-X) vector space - * @nr_sets: Length of passed in *sets array - * @sets: Number of affinitized sets + * @nr_sets: The number of interrupt sets for which affinity + * spreading is required + * @set_size: Array holding the size of each interrupt set + * @calc_sets: Callback for calculating the number and size + * of interrupt sets + * @priv: Private data for usage by @calc_sets, usually a + * pointer to driver/device specific data. */ struct irq_affinity { - int pre_vectors; - int post_vectors; - int nr_sets; - int *sets; + unsigned int pre_vectors; + unsigned int post_vectors; + unsigned int nr_sets; + unsigned int set_size[IRQ_AFFINITY_MAX_SETS]; + void (*calc_sets)(struct irq_affinity *, unsigned int nvecs); + void *priv; }; /** @@ -314,9 +341,10 @@ extern int irq_set_affinity_notifier(unsigned int irq, struct irq_affinity_notify *notify); struct irq_affinity_desc * -irq_create_affinity_masks(int nvec, const struct irq_affinity *affd); +irq_create_affinity_masks(unsigned int nvec, struct irq_affinity *affd); -int irq_calc_affinity_vectors(int minvec, int maxvec, const struct irq_affinity *affd); +unsigned int irq_calc_affinity_vectors(unsigned int minvec, unsigned int maxvec, + const struct irq_affinity *affd); #else /* CONFIG_SMP */ @@ -350,13 +378,14 @@ irq_set_affinity_notifier(unsigned int irq, struct irq_affinity_notify *notify) } static inline struct irq_affinity_desc * -irq_create_affinity_masks(int nvec, const struct irq_affinity *affd) +irq_create_affinity_masks(unsigned int nvec, struct irq_affinity *affd) { return NULL; } -static inline int -irq_calc_affinity_vectors(int minvec, int maxvec, const struct irq_affinity *affd) +static inline unsigned int +irq_calc_affinity_vectors(unsigned int minvec, unsigned int maxvec, + const struct irq_affinity *affd) { return maxvec; } diff --git a/include/linux/ip.h b/include/linux/ip.h index 492bc6513533..482b7b7c9f30 100644 --- a/include/linux/ip.h +++ b/include/linux/ip.h @@ -34,4 +34,9 @@ static inline struct iphdr *ipip_hdr(const struct sk_buff *skb) { return (struct iphdr *)skb_transport_header(skb); } + +static inline unsigned int ip_transport_len(const struct sk_buff *skb) +{ + return ntohs(ip_hdr(skb)->tot_len) - skb_network_header_len(skb); +} #endif /* _LINUX_IP_H */ diff --git a/include/linux/ipv6.h b/include/linux/ipv6.h index 495e834c1367..ea7c7906591e 100644 --- a/include/linux/ipv6.h +++ b/include/linux/ipv6.h @@ -104,6 +104,12 @@ static inline struct ipv6hdr *ipipv6_hdr(const struct sk_buff *skb) return (struct ipv6hdr *)skb_transport_header(skb); } +static inline unsigned int ipv6_transport_len(const struct sk_buff *skb) +{ + return ntohs(ipv6_hdr(skb)->payload_len) + sizeof(struct ipv6hdr) - + skb_network_header_len(skb); +} + /* This structure contains results of exthdrs parsing as offsets from skb->nh. @@ -275,7 +281,8 @@ struct ipv6_pinfo { dontfrag:1, autoflowlabel:1, autoflowlabel_set:1, - mc_all:1; + mc_all:1, + rtalert_isolate:1; __u8 min_hopcount; __u8 tclass; __be32 rcv_flowinfo; diff --git a/include/linux/irq.h b/include/linux/irq.h index def2b2aac8b1..5e91f6bcaacd 100644 --- a/include/linux/irq.h +++ b/include/linux/irq.h @@ -442,6 +442,8 @@ static inline irq_hw_number_t irqd_to_hwirq(struct irq_data *d) * @irq_set_vcpu_affinity: optional to target a vCPU in a virtual machine * @ipi_send_single: send a single IPI to destination cpus * @ipi_send_mask: send an IPI to destination cpus in cpumask + * @irq_nmi_setup: function called from core code before enabling an NMI + * @irq_nmi_teardown: function called from core code after disabling an NMI * @flags: chip specific flags */ struct irq_chip { @@ -490,6 +492,9 @@ struct irq_chip { void (*ipi_send_single)(struct irq_data *data, unsigned int cpu); void (*ipi_send_mask)(struct irq_data *data, const struct cpumask *dest); + int (*irq_nmi_setup)(struct irq_data *data); + void (*irq_nmi_teardown)(struct irq_data *data); + unsigned long flags; }; @@ -505,6 +510,7 @@ struct irq_chip { * IRQCHIP_ONESHOT_SAFE: One shot does not require mask/unmask * IRQCHIP_EOI_THREADED: Chip requires eoi() on unmask in threaded mode * IRQCHIP_SUPPORTS_LEVEL_MSI Chip can provide two doorbells for Level MSIs + * IRQCHIP_SUPPORTS_NMI: Chip can deliver NMIs, only for root irqchips */ enum { IRQCHIP_SET_TYPE_MASKED = (1 << 0), @@ -515,6 +521,7 @@ enum { IRQCHIP_ONESHOT_SAFE = (1 << 5), IRQCHIP_EOI_THREADED = (1 << 6), IRQCHIP_SUPPORTS_LEVEL_MSI = (1 << 7), + IRQCHIP_SUPPORTS_NMI = (1 << 8), }; #include <linux/irqdesc.h> @@ -594,6 +601,9 @@ 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 void handle_fasteoi_nmi(struct irq_desc *desc); +extern void handle_percpu_devid_fasteoi_nmi(struct irq_desc *desc); + 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); diff --git a/include/linux/irqchip/arm-gic-v3.h b/include/linux/irqchip/arm-gic-v3.h index 071b4cbdf010..c848a7cc502e 100644 --- a/include/linux/irqchip/arm-gic-v3.h +++ b/include/linux/irqchip/arm-gic-v3.h @@ -319,7 +319,7 @@ #define GITS_TYPER_PLPIS (1UL << 0) #define GITS_TYPER_VLPIS (1UL << 1) #define GITS_TYPER_ITT_ENTRY_SIZE_SHIFT 4 -#define GITS_TYPER_ITT_ENTRY_SIZE(r) ((((r) >> GITS_TYPER_ITT_ENTRY_SIZE_SHIFT) & 0x1f) + 1) +#define GITS_TYPER_ITT_ENTRY_SIZE(r) ((((r) >> GITS_TYPER_ITT_ENTRY_SIZE_SHIFT) & 0xf) + 1) #define GITS_TYPER_IDBITS_SHIFT 8 #define GITS_TYPER_DEVBITS_SHIFT 13 #define GITS_TYPER_DEVBITS(r) ((((r) >> GITS_TYPER_DEVBITS_SHIFT) & 0x1f) + 1) diff --git a/include/linux/irqdesc.h b/include/linux/irqdesc.h index dd1e40ddac7d..d6e2ab538ef2 100644 --- a/include/linux/irqdesc.h +++ b/include/linux/irqdesc.h @@ -28,6 +28,7 @@ struct pt_regs; * @core_internal_state__do_not_mess_with_it: core internal status information * @depth: disable-depth, for nested irq_disable() calls * @wake_depth: enable depth, for multiple irq_set_irq_wake() callers + * @tot_count: stats field for non-percpu irqs * @irq_count: stats field to detect stalled irqs * @last_unhandled: aging timer for unhandled count * @irqs_unhandled: stats field for spurious unhandled interrupts @@ -65,6 +66,7 @@ struct irq_desc { unsigned int core_internal_state__do_not_mess_with_it; unsigned int depth; /* nested irq disables */ unsigned int wake_depth; /* nested wake enables */ + unsigned int tot_count; unsigned int irq_count; /* For detecting broken IRQs */ unsigned long last_unhandled; /* Aging timer for unhandled count */ unsigned int irqs_unhandled; @@ -171,6 +173,11 @@ static inline int handle_domain_irq(struct irq_domain *domain, { return __handle_domain_irq(domain, hwirq, true, regs); } + +#ifdef CONFIG_IRQ_DOMAIN +int handle_domain_nmi(struct irq_domain *domain, unsigned int hwirq, + struct pt_regs *regs); +#endif #endif /* Test to see if a driver has successfully requested an irq */ diff --git a/include/linux/irqdomain.h b/include/linux/irqdomain.h index 35965f41d7be..d2130dc7c0e6 100644 --- a/include/linux/irqdomain.h +++ b/include/linux/irqdomain.h @@ -265,6 +265,7 @@ extern struct irq_domain *irq_find_matching_fwspec(struct irq_fwspec *fwspec, enum irq_domain_bus_token bus_token); extern bool irq_domain_check_msi_remap(void); extern void irq_set_default_host(struct irq_domain *host); +extern struct irq_domain *irq_get_default_host(void); extern int irq_domain_alloc_descs(int virq, unsigned int nr_irqs, irq_hw_number_t hwirq, int node, const struct irq_affinity_desc *affinity); diff --git a/include/linux/kernel.h b/include/linux/kernel.h index 8f0e68e250a7..a8868a32098c 100644 --- a/include/linux/kernel.h +++ b/include/linux/kernel.h @@ -245,8 +245,10 @@ extern int _cond_resched(void); #endif #ifdef CONFIG_DEBUG_ATOMIC_SLEEP - void ___might_sleep(const char *file, int line, int preempt_offset); - void __might_sleep(const char *file, int line, int preempt_offset); +extern void ___might_sleep(const char *file, int line, int preempt_offset); +extern void __might_sleep(const char *file, int line, int preempt_offset); +extern void __cant_sleep(const char *file, int line, int preempt_offset); + /** * might_sleep - annotation for functions that can sleep * @@ -259,6 +261,13 @@ extern int _cond_resched(void); */ # define might_sleep() \ do { __might_sleep(__FILE__, __LINE__, 0); might_resched(); } while (0) +/** + * cant_sleep - annotation for functions that cannot sleep + * + * this macro will print a stack trace if it is executed with preemption enabled + */ +# define cant_sleep() \ + do { __cant_sleep(__FILE__, __LINE__, 0); } while (0) # define sched_annotate_sleep() (current->task_state_change = 0) #else static inline void ___might_sleep(const char *file, int line, @@ -266,6 +275,7 @@ extern int _cond_resched(void); static inline void __might_sleep(const char *file, int line, int preempt_offset) { } # define might_sleep() do { might_resched(); } while (0) +# define cant_sleep() do { } while (0) # define sched_annotate_sleep() do { } while (0) #endif diff --git a/include/linux/key-type.h b/include/linux/key-type.h index bc9af551fc83..e49d1de0614e 100644 --- a/include/linux/key-type.h +++ b/include/linux/key-type.h @@ -21,15 +21,6 @@ struct kernel_pkey_query; struct kernel_pkey_params; /* - * key under-construction record - * - passed to the request_key actor if supplied - */ -struct key_construction { - struct key *key; /* key being constructed */ - struct key *authkey;/* authorisation for key being constructed */ -}; - -/* * Pre-parsed payload, used by key add, update and instantiate. * * This struct will be cleared and data and datalen will be set with the data @@ -50,8 +41,7 @@ struct key_preparsed_payload { time64_t expiry; /* Expiry time of key */ } __randomize_layout; -typedef int (*request_key_actor_t)(struct key_construction *key, - const char *op, void *aux); +typedef int (*request_key_actor_t)(struct key *auth_key, void *aux); /* * Preparsed matching criterion. @@ -181,20 +171,20 @@ extern int key_instantiate_and_link(struct key *key, const void *data, size_t datalen, struct key *keyring, - struct key *instkey); + struct key *authkey); extern int key_reject_and_link(struct key *key, unsigned timeout, unsigned error, struct key *keyring, - struct key *instkey); -extern void complete_request_key(struct key_construction *cons, int error); + struct key *authkey); +extern void complete_request_key(struct key *authkey, int error); static inline int key_negate_and_link(struct key *key, unsigned timeout, struct key *keyring, - struct key *instkey) + struct key *authkey) { - return key_reject_and_link(key, timeout, ENOKEY, keyring, instkey); + return key_reject_and_link(key, timeout, ENOKEY, keyring, authkey); } extern int generic_key_instantiate(struct key *key, struct key_preparsed_payload *prep); diff --git a/include/linux/kthread.h b/include/linux/kthread.h index c1961761311d..2c89e60bc752 100644 --- a/include/linux/kthread.h +++ b/include/linux/kthread.h @@ -56,6 +56,7 @@ void kthread_bind_mask(struct task_struct *k, const struct cpumask *mask); int kthread_stop(struct task_struct *k); bool kthread_should_stop(void); bool kthread_should_park(void); +bool __kthread_should_park(struct task_struct *k); bool kthread_freezable_should_stop(bool *was_frozen); void *kthread_data(struct task_struct *k); void *kthread_probe_data(struct task_struct *k); @@ -85,7 +86,7 @@ enum { struct kthread_worker { unsigned int flags; - spinlock_t lock; + raw_spinlock_t lock; struct list_head work_list; struct list_head delayed_work_list; struct task_struct *task; @@ -106,7 +107,7 @@ struct kthread_delayed_work { }; #define KTHREAD_WORKER_INIT(worker) { \ - .lock = __SPIN_LOCK_UNLOCKED((worker).lock), \ + .lock = __RAW_SPIN_LOCK_UNLOCKED((worker).lock), \ .work_list = LIST_HEAD_INIT((worker).work_list), \ .delayed_work_list = LIST_HEAD_INIT((worker).delayed_work_list),\ } @@ -164,9 +165,8 @@ extern void __kthread_init_worker(struct kthread_worker *worker, #define kthread_init_delayed_work(dwork, fn) \ do { \ kthread_init_work(&(dwork)->work, (fn)); \ - __init_timer(&(dwork)->timer, \ - kthread_delayed_work_timer_fn, \ - TIMER_IRQSAFE); \ + timer_setup(&(dwork)->timer, \ + kthread_delayed_work_timer_fn, 0); \ } while (0) int kthread_worker_fn(void *worker_ptr); diff --git a/include/linux/leds.h b/include/linux/leds.h index 5263f87e1d2c..78204650fe2a 100644 --- a/include/linux/leds.h +++ b/include/linux/leds.h @@ -219,6 +219,19 @@ extern int led_set_brightness_sync(struct led_classdev *led_cdev, extern int led_update_brightness(struct led_classdev *led_cdev); /** + * led_get_default_pattern - return default pattern + * + * @led_cdev: the LED to get default pattern for + * @size: pointer for storing the number of elements in returned array, + * modified only if return != NULL + * + * Return: Allocated array of integers with default pattern from device tree + * or NULL. Caller is responsible for kfree(). + */ +extern u32 *led_get_default_pattern(struct led_classdev *led_cdev, + unsigned int *size); + +/** * led_sysfs_disable - disable LED sysfs interface * @led_cdev: the LED to set * diff --git a/include/linux/lockdep.h b/include/linux/lockdep.h index c5335df2372f..79c3873d58ac 100644 --- a/include/linux/lockdep.h +++ b/include/linux/lockdep.h @@ -46,16 +46,22 @@ extern int lock_stat; #define NR_LOCKDEP_CACHING_CLASSES 2 /* - * Lock-classes are keyed via unique addresses, by embedding the - * lockclass-key into the kernel (or module) .data section. (For - * static locks we use the lock address itself as the key.) + * A lockdep key is associated with each lock object. For static locks we use + * the lock address itself as the key. Dynamically allocated lock objects can + * have a statically or dynamically allocated key. Dynamically allocated lock + * keys must be registered before being used and must be unregistered before + * the key memory is freed. */ struct lockdep_subclass_key { char __one_byte; } __attribute__ ((__packed__)); +/* hash_entry is used to keep track of dynamically allocated keys. */ struct lock_class_key { - struct lockdep_subclass_key subkeys[MAX_LOCKDEP_SUBCLASSES]; + union { + struct hlist_node hash_entry; + struct lockdep_subclass_key subkeys[MAX_LOCKDEP_SUBCLASSES]; + }; }; extern struct lock_class_key __lockdep_no_validate__; @@ -63,7 +69,8 @@ extern struct lock_class_key __lockdep_no_validate__; #define LOCKSTAT_POINTS 4 /* - * The lock-class itself: + * The lock-class itself. The order of the structure members matters. + * reinit_class() zeroes the key member and all subsequent members. */ struct lock_class { /* @@ -72,10 +79,19 @@ struct lock_class { struct hlist_node hash_entry; /* - * global list of all lock-classes: + * Entry in all_lock_classes when in use. Entry in free_lock_classes + * when not in use. Instances that are being freed are on one of the + * zapped_classes lists. */ struct list_head lock_entry; + /* + * These fields represent a directed graph of lock dependencies, + * to every node we attach a list of "forward" and a list of + * "backward" graph nodes. + */ + struct list_head locks_after, locks_before; + struct lockdep_subclass_key *key; unsigned int subclass; unsigned int dep_gen_id; @@ -87,13 +103,6 @@ struct lock_class { struct stack_trace usage_traces[XXX_LOCK_USAGE_STATES]; /* - * These fields represent a directed graph of lock dependencies, - * to every node we attach a list of "forward" and a list of - * "backward" graph nodes. - */ - struct list_head locks_after, locks_before; - - /* * Generation counter, when doing certain classes of graph walking, * to ensure that we check one node only once: */ @@ -104,7 +113,7 @@ struct lock_class { unsigned long contention_point[LOCKSTAT_POINTS]; unsigned long contending_point[LOCKSTAT_POINTS]; #endif -}; +} __no_randomize_layout; #ifdef CONFIG_LOCK_STAT struct lock_time { @@ -178,6 +187,7 @@ static inline void lockdep_copy_map(struct lockdep_map *to, struct lock_list { struct list_head entry; struct lock_class *class; + struct lock_class *links_to; struct stack_trace trace; int distance; @@ -264,10 +274,14 @@ extern void lockdep_reset(void); extern void lockdep_reset_lock(struct lockdep_map *lock); extern void lockdep_free_key_range(void *start, unsigned long size); extern asmlinkage void lockdep_sys_exit(void); +extern void lockdep_set_selftest_task(struct task_struct *task); extern void lockdep_off(void); extern void lockdep_on(void); +extern void lockdep_register_key(struct lock_class_key *key); +extern void lockdep_unregister_key(struct lock_class_key *key); + /* * These methods are used by specific locking variants (spinlocks, * rwlocks, mutexes and rwsems) to pass init/acquire/release events @@ -394,6 +408,10 @@ static inline void lockdep_on(void) { } +static inline void lockdep_set_selftest_task(struct task_struct *task) +{ +} + # define lock_acquire(l, s, t, r, c, n, i) do { } while (0) # define lock_release(l, n, i) do { } while (0) # define lock_downgrade(l, i) do { } while (0) @@ -425,6 +443,14 @@ static inline void lockdep_on(void) */ struct lock_class_key { }; +static inline void lockdep_register_key(struct lock_class_key *key) +{ +} + +static inline void lockdep_unregister_key(struct lock_class_key *key) +{ +} + /* * The lockdep_map takes no space if lockdep is disabled: */ diff --git a/include/linux/marvell_phy.h b/include/linux/marvell_phy.h index 1eb6f244588d..73d04743a2bb 100644 --- a/include/linux/marvell_phy.h +++ b/include/linux/marvell_phy.h @@ -20,6 +20,8 @@ #define MARVELL_PHY_ID_88E1540 0x01410eb0 #define MARVELL_PHY_ID_88E1545 0x01410ea0 #define MARVELL_PHY_ID_88E3016 0x01410e60 +#define MARVELL_PHY_ID_88X3310 0x002b09a0 +#define MARVELL_PHY_ID_88E2110 0x002b09b0 /* The MV88e6390 Ethernet switch contains embedded PHYs. These PHYs do * not have a model ID. So the switch driver traps reads to the ID2 diff --git a/include/linux/mdev.h b/include/linux/mdev.h index b6e048e1045f..d7aee90e5da5 100644 --- a/include/linux/mdev.h +++ b/include/linux/mdev.h @@ -120,7 +120,7 @@ struct mdev_driver { extern void *mdev_get_drvdata(struct mdev_device *mdev); extern void mdev_set_drvdata(struct mdev_device *mdev, void *data); -extern uuid_le mdev_uuid(struct mdev_device *mdev); +extern const guid_t *mdev_uuid(struct mdev_device *mdev); extern struct bus_type mdev_bus_type; diff --git a/include/linux/mdio.h b/include/linux/mdio.h index bfa7114167d7..3e99ae3ed87f 100644 --- a/include/linux/mdio.h +++ b/include/linux/mdio.h @@ -261,6 +261,50 @@ static inline u16 ethtool_adv_to_mmd_eee_adv_t(u32 adv) return reg; } +/** + * linkmode_adv_to_mii_10gbt_adv_t + * @advertising: the linkmode advertisement settings + * + * A small helper function that translates linkmode advertisement + * settings to phy autonegotiation advertisements for the C45 + * 10GBASE-T AN CONTROL (7.32) register. + */ +static inline u32 linkmode_adv_to_mii_10gbt_adv_t(unsigned long *advertising) +{ + u32 result = 0; + + if (linkmode_test_bit(ETHTOOL_LINK_MODE_2500baseT_Full_BIT, + advertising)) + result |= MDIO_AN_10GBT_CTRL_ADV2_5G; + if (linkmode_test_bit(ETHTOOL_LINK_MODE_5000baseT_Full_BIT, + advertising)) + result |= MDIO_AN_10GBT_CTRL_ADV5G; + if (linkmode_test_bit(ETHTOOL_LINK_MODE_10000baseT_Full_BIT, + advertising)) + result |= MDIO_AN_10GBT_CTRL_ADV10G; + + return result; +} + +/** + * mii_10gbt_stat_mod_linkmode_lpa_t + * @advertising: target the linkmode advertisement settings + * @adv: value of the C45 10GBASE-T AN STATUS register + * + * A small helper function that translates C45 10GBASE-T AN STATUS register bits + * to linkmode advertisement settings. Other bits in advertising aren't changed. + */ +static inline void mii_10gbt_stat_mod_linkmode_lpa_t(unsigned long *advertising, + u32 lpa) +{ + linkmode_mod_bit(ETHTOOL_LINK_MODE_2500baseT_Full_BIT, + advertising, lpa & MDIO_AN_10GBT_STAT_LP2_5G); + linkmode_mod_bit(ETHTOOL_LINK_MODE_5000baseT_Full_BIT, + advertising, lpa & MDIO_AN_10GBT_STAT_LP5G); + linkmode_mod_bit(ETHTOOL_LINK_MODE_10000baseT_Full_BIT, + advertising, lpa & MDIO_AN_10GBT_STAT_LP10G); +} + int __mdiobus_read(struct mii_bus *bus, int addr, u32 regnum); int __mdiobus_write(struct mii_bus *bus, int addr, u32 regnum, u16 val); diff --git a/include/linux/memblock.h b/include/linux/memblock.h index 64c41cf45590..859b55b66db2 100644 --- a/include/linux/memblock.h +++ b/include/linux/memblock.h @@ -29,9 +29,6 @@ extern unsigned long max_pfn; */ extern unsigned long long max_possible_pfn; -#define INIT_MEMBLOCK_REGIONS 128 -#define INIT_PHYSMEM_REGIONS 4 - /** * enum memblock_flags - definition of memory region attributes * @MEMBLOCK_NONE: no special request diff --git a/include/linux/memory_hotplug.h b/include/linux/memory_hotplug.h index 07da5c6c5ba0..368267c1b71b 100644 --- a/include/linux/memory_hotplug.h +++ b/include/linux/memory_hotplug.h @@ -21,14 +21,16 @@ struct vmem_altmap; * walkers which rely on the fully initialized page->flags and others * should use this rather than pfn_valid && pfn_to_page */ -#define pfn_to_online_page(pfn) \ -({ \ - struct page *___page = NULL; \ - unsigned long ___nr = pfn_to_section_nr(pfn); \ - \ - if (___nr < NR_MEM_SECTIONS && online_section_nr(___nr))\ - ___page = pfn_to_page(pfn); \ - ___page; \ +#define pfn_to_online_page(pfn) \ +({ \ + struct page *___page = NULL; \ + unsigned long ___pfn = pfn; \ + unsigned long ___nr = pfn_to_section_nr(___pfn); \ + \ + if (___nr < NR_MEM_SECTIONS && online_section_nr(___nr) && \ + pfn_valid_within(___pfn)) \ + ___page = pfn_to_page(___pfn); \ + ___page; \ }) /* diff --git a/include/linux/mfd/tps65218.h b/include/linux/mfd/tps65218.h index c204d9a79436..45cdcd0fee53 100644 --- a/include/linux/mfd/tps65218.h +++ b/include/linux/mfd/tps65218.h @@ -208,6 +208,7 @@ enum tps65218_regulator_id { /* LDOs */ TPS65218_LDO_1, /* LS's */ + TPS65218_LS_2, TPS65218_LS_3, }; @@ -218,7 +219,7 @@ enum tps65218_regulator_id { /* Number of LDO voltage regulators available */ #define TPS65218_NUM_LDO 1 /* Number of total LS current regulators available */ -#define TPS65218_NUM_LS 1 +#define TPS65218_NUM_LS 2 /* Number of total regulators available */ #define TPS65218_NUM_REGULATOR (TPS65218_NUM_DCDC + TPS65218_NUM_LDO \ + TPS65218_NUM_LS) diff --git a/include/linux/mlx5/device.h b/include/linux/mlx5/device.h index 8c4a820bd4c1..f93a5598b942 100644 --- a/include/linux/mlx5/device.h +++ b/include/linux/mlx5/device.h @@ -67,7 +67,7 @@ #define MLX5_UN_SZ_BYTES(typ) (sizeof(union mlx5_ifc_##typ##_bits) / 8) #define MLX5_UN_SZ_DW(typ) (sizeof(union mlx5_ifc_##typ##_bits) / 32) #define MLX5_BYTE_OFF(typ, fld) (__mlx5_bit_off(typ, fld) / 8) -#define MLX5_ADDR_OF(typ, p, fld) ((char *)(p) + MLX5_BYTE_OFF(typ, fld)) +#define MLX5_ADDR_OF(typ, p, fld) ((void *)((uint8_t *)(p) + MLX5_BYTE_OFF(typ, fld))) /* insert a value to a struct */ #define MLX5_SET(typ, p, fld, v) do { \ @@ -342,6 +342,8 @@ enum mlx5_event { MLX5_EVENT_TYPE_PAGE_FAULT = 0xc, MLX5_EVENT_TYPE_NIC_VPORT_CHANGE = 0xd, + MLX5_EVENT_TYPE_HOST_PARAMS_CHANGE = 0xe, + MLX5_EVENT_TYPE_DCT_DRAINED = 0x1c, MLX5_EVENT_TYPE_FPGA_ERROR = 0x20, @@ -591,7 +593,7 @@ struct mlx5_eqe_cmd { }; struct mlx5_eqe_page_req { - u8 rsvd0[2]; + __be16 ec_function; __be16 func_id; __be32 num_pages; __be32 rsvd1[5]; @@ -1201,6 +1203,9 @@ enum mlx5_qcam_feature_groups { #define MLX5_CAP_ODP(mdev, cap)\ MLX5_GET(odp_cap, mdev->caps.hca_cur[MLX5_CAP_ODP], cap) +#define MLX5_CAP_ODP_MAX(mdev, cap)\ + MLX5_GET(odp_cap, mdev->caps.hca_max[MLX5_CAP_ODP], cap) + #define MLX5_CAP_VECTOR_CALC(mdev, cap) \ MLX5_GET(vector_calc_cap, \ mdev->caps.hca_cur[MLX5_CAP_VECTOR_CALC], cap) diff --git a/include/linux/mlx5/driver.h b/include/linux/mlx5/driver.h index 54299251d40d..5ffb5df1a2c2 100644 --- a/include/linux/mlx5/driver.h +++ b/include/linux/mlx5/driver.h @@ -195,6 +195,7 @@ struct mlx5_rsc_debug { enum mlx5_dev_event { MLX5_DEV_EVENT_SYS_ERROR = 128, /* 0 - 127 are FW events */ + MLX5_DEV_EVENT_PORT_AFFINITY = 129, }; enum mlx5_port_status { @@ -522,6 +523,7 @@ struct mlx5_priv { atomic_t reg_pages; struct list_head free_list; int vfs_pages; + int peer_pf_pages; struct mlx5_core_health health; @@ -652,6 +654,7 @@ struct mlx5_core_dev { u32 mcam[MLX5_ST_SZ_DW(mcam_reg)]; u32 fpga[MLX5_ST_SZ_DW(fpga_cap)]; u32 qcam[MLX5_ST_SZ_DW(qcam_reg)]; + u8 embedded_cpu; } caps; u64 sys_image_guid; phys_addr_t iseg_base; @@ -850,11 +853,30 @@ void mlx5_cmd_cleanup(struct mlx5_core_dev *dev); void mlx5_cmd_use_events(struct mlx5_core_dev *dev); void mlx5_cmd_use_polling(struct mlx5_core_dev *dev); +struct mlx5_async_ctx { + struct mlx5_core_dev *dev; + atomic_t num_inflight; + struct wait_queue_head wait; +}; + +struct mlx5_async_work; + +typedef void (*mlx5_async_cbk_t)(int status, struct mlx5_async_work *context); + +struct mlx5_async_work { + struct mlx5_async_ctx *ctx; + mlx5_async_cbk_t user_callback; +}; + +void mlx5_cmd_init_async_ctx(struct mlx5_core_dev *dev, + struct mlx5_async_ctx *ctx); +void mlx5_cmd_cleanup_async_ctx(struct mlx5_async_ctx *ctx); +int mlx5_cmd_exec_cb(struct mlx5_async_ctx *ctx, void *in, int in_size, + void *out, int out_size, mlx5_async_cbk_t callback, + struct mlx5_async_work *work); + int mlx5_cmd_exec(struct mlx5_core_dev *dev, void *in, int in_size, void *out, int out_size); -int mlx5_cmd_exec_cb(struct mlx5_core_dev *dev, void *in, int in_size, - void *out, int out_size, mlx5_cmd_cbk_t callback, - void *context); int mlx5_cmd_exec_polling(struct mlx5_core_dev *dev, void *in, int in_size, void *out, int out_size); void mlx5_cmd_mbox_status(void *out, u8 *status, u32 *syndrome); @@ -885,9 +907,10 @@ void mlx5_init_mkey_table(struct mlx5_core_dev *dev); void mlx5_cleanup_mkey_table(struct mlx5_core_dev *dev); int mlx5_core_create_mkey_cb(struct mlx5_core_dev *dev, struct mlx5_core_mkey *mkey, - u32 *in, int inlen, - u32 *out, int outlen, - mlx5_cmd_cbk_t callback, void *context); + struct mlx5_async_ctx *async_ctx, u32 *in, + int inlen, u32 *out, int outlen, + mlx5_async_cbk_t callback, + struct mlx5_async_work *context); int mlx5_core_create_mkey(struct mlx5_core_dev *dev, struct mlx5_core_mkey *mkey, u32 *in, int inlen); @@ -897,14 +920,12 @@ int mlx5_core_query_mkey(struct mlx5_core_dev *dev, struct mlx5_core_mkey *mkey, u32 *out, int outlen); int mlx5_core_alloc_pd(struct mlx5_core_dev *dev, u32 *pdn); int mlx5_core_dealloc_pd(struct mlx5_core_dev *dev, u32 pdn); -int mlx5_core_mad_ifc(struct mlx5_core_dev *dev, const void *inb, void *outb, - u16 opmod, u8 port); int mlx5_pagealloc_init(struct mlx5_core_dev *dev); void mlx5_pagealloc_cleanup(struct mlx5_core_dev *dev); void mlx5_pagealloc_start(struct mlx5_core_dev *dev); void mlx5_pagealloc_stop(struct mlx5_core_dev *dev); void mlx5_core_req_pages_handler(struct mlx5_core_dev *dev, u16 func_id, - s32 npages); + s32 npages, bool ec_function); int mlx5_satisfy_startup_pages(struct mlx5_core_dev *dev, int boot); int mlx5_reclaim_startup_pages(struct mlx5_core_dev *dev); void mlx5_register_debugfs(void); @@ -1021,6 +1042,7 @@ int mlx5_cmd_create_vport_lag(struct mlx5_core_dev *dev); int mlx5_cmd_destroy_vport_lag(struct mlx5_core_dev *dev); bool mlx5_lag_is_roce(struct mlx5_core_dev *dev); bool mlx5_lag_is_sriov(struct mlx5_core_dev *dev); +bool mlx5_lag_is_multipath(struct mlx5_core_dev *dev); bool mlx5_lag_is_active(struct mlx5_core_dev *dev); struct net_device *mlx5_lag_get_roce_netdev(struct mlx5_core_dev *dev); int mlx5_lag_query_cong_counters(struct mlx5_core_dev *dev, @@ -1058,11 +1080,29 @@ static inline int mlx5_core_is_pf(struct mlx5_core_dev *dev) return !(dev->priv.pci_dev_data & MLX5_PCI_DEV_IS_VF); } -#define MLX5_TOTAL_VPORTS(mdev) (1 + pci_sriov_get_totalvfs((mdev)->pdev)) -#define MLX5_VPORT_MANAGER(mdev) \ - (MLX5_CAP_GEN(mdev, vport_group_manager) && \ - (MLX5_CAP_GEN(mdev, port_type) == MLX5_CAP_PORT_TYPE_ETH) && \ - mlx5_core_is_pf(mdev)) +static inline bool mlx5_core_is_ecpf(struct mlx5_core_dev *dev) +{ + return dev->caps.embedded_cpu; +} + +static inline bool mlx5_core_is_ecpf_esw_manager(struct mlx5_core_dev *dev) +{ + return dev->caps.embedded_cpu && MLX5_CAP_GEN(dev, eswitch_manager); +} + +static inline bool mlx5_ecpf_vport_exists(struct mlx5_core_dev *dev) +{ + return mlx5_core_is_pf(dev) && MLX5_CAP_ESW(dev, ecpf_vport_exists); +} + +#define MLX5_HOST_PF_MAX_VFS (127u) +static inline u16 mlx5_core_max_vfs(struct mlx5_core_dev *dev) +{ + if (mlx5_core_is_ecpf_esw_manager(dev)) + return MLX5_HOST_PF_MAX_VFS; + else + return pci_sriov_get_totalvfs(dev->pdev); +} static inline int mlx5_get_gid_table_len(u16 param) { diff --git a/include/linux/mlx5/eswitch.h b/include/linux/mlx5/eswitch.h index fab5121ffb8f..96d8435421de 100644 --- a/include/linux/mlx5/eswitch.h +++ b/include/linux/mlx5/eswitch.h @@ -22,6 +22,12 @@ enum { NUM_REP_TYPES, }; +enum { + REP_UNREGISTERED, + REP_REGISTERED, + REP_LOADED, +}; + struct mlx5_eswitch_rep; struct mlx5_eswitch_rep_if { int (*load)(struct mlx5_core_dev *dev, @@ -29,7 +35,7 @@ struct mlx5_eswitch_rep_if { void (*unload)(struct mlx5_eswitch_rep *rep); void *(*get_proto_dev)(struct mlx5_eswitch_rep *rep); void *priv; - bool valid; + u8 state; }; struct mlx5_eswitch_rep { @@ -40,13 +46,10 @@ struct mlx5_eswitch_rep { u32 vlan_refcount; }; -void mlx5_eswitch_register_vport_rep(struct mlx5_eswitch *esw, - int vport_index, - struct mlx5_eswitch_rep_if *rep_if, - u8 rep_type); -void mlx5_eswitch_unregister_vport_rep(struct mlx5_eswitch *esw, - int vport_index, - u8 rep_type); +void mlx5_eswitch_register_vport_reps(struct mlx5_eswitch *esw, + struct mlx5_eswitch_rep_if *rep_if, + u8 rep_type); +void mlx5_eswitch_unregister_vport_reps(struct mlx5_eswitch *esw, u8 rep_type); void *mlx5_eswitch_get_proto_dev(struct mlx5_eswitch *esw, int vport, u8 rep_type); diff --git a/include/linux/mlx5/mlx5_ifc.h b/include/linux/mlx5/mlx5_ifc.h index 35fe5217b244..3b83288749c6 100644 --- a/include/linux/mlx5/mlx5_ifc.h +++ b/include/linux/mlx5/mlx5_ifc.h @@ -72,6 +72,7 @@ enum { enum { MLX5_SET_HCA_CAP_OP_MOD_GENERAL_DEVICE = 0x0, + MLX5_SET_HCA_CAP_OP_MOD_ODP = 0x2, MLX5_SET_HCA_CAP_OP_MOD_ATOMIC = 0x3, }; @@ -141,6 +142,7 @@ enum { MLX5_CMD_OP_QUERY_XRQ_DC_PARAMS_ENTRY = 0x725, MLX5_CMD_OP_SET_XRQ_DC_PARAMS_ENTRY = 0x726, MLX5_CMD_OP_QUERY_XRQ_ERROR_PARAMS = 0x727, + MLX5_CMD_OP_QUERY_HOST_PARAMS = 0x740, MLX5_CMD_OP_QUERY_VPORT_STATE = 0x750, MLX5_CMD_OP_MODIFY_VPORT_STATE = 0x751, MLX5_CMD_OP_QUERY_ESW_VPORT_CONTEXT = 0x752, @@ -629,7 +631,8 @@ 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[0x17]; + u8 reserved_at_5[0x16]; + u8 ecpf_vport_exists[0x1]; u8 counter_eswitch_affinity[0x1]; u8 merged_eswitch[0x1]; u8 nic_vport_node_guid_modify[0x1]; @@ -831,7 +834,9 @@ struct mlx5_ifc_odp_cap_bits { struct mlx5_ifc_odp_per_transport_service_cap_bits ud_odp_caps; - u8 reserved_at_e0[0x720]; + struct mlx5_ifc_odp_per_transport_service_cap_bits xrc_odp_caps; + + u8 reserved_at_100[0x700]; }; struct mlx5_ifc_calc_op { @@ -4438,7 +4443,8 @@ struct mlx5_ifc_query_pages_out_bits { u8 syndrome[0x20]; - u8 reserved_at_40[0x10]; + u8 embedded_cpu_function[0x1]; + u8 reserved_at_41[0xf]; u8 function_id[0x10]; u8 num_pages[0x20]; @@ -4457,7 +4463,8 @@ struct mlx5_ifc_query_pages_in_bits { u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_at_40[0x10]; + u8 embedded_cpu_function[0x1]; + u8 reserved_at_41[0xf]; u8 function_id[0x10]; u8 reserved_at_60[0x20]; @@ -5877,7 +5884,8 @@ struct mlx5_ifc_manage_pages_in_bits { u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_at_40[0x10]; + u8 embedded_cpu_function[0x1]; + u8 reserved_at_41[0xf]; u8 function_id[0x10]; u8 input_num_entries[0x20]; @@ -6055,7 +6063,8 @@ struct mlx5_ifc_enable_hca_in_bits { u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_at_40[0x10]; + u8 embedded_cpu_function[0x1]; + u8 reserved_at_41[0xf]; u8 function_id[0x10]; u8 reserved_at_60[0x20]; @@ -6099,7 +6108,8 @@ struct mlx5_ifc_disable_hca_in_bits { u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_at_40[0x10]; + u8 embedded_cpu_function[0x1]; + u8 reserved_at_41[0xf]; u8 function_id[0x10]; u8 reserved_at_60[0x20]; @@ -7817,21 +7827,23 @@ struct mlx5_ifc_ptys_reg_bits { u8 proto_mask[0x3]; u8 an_status[0x4]; - u8 reserved_at_24[0x3c]; + u8 reserved_at_24[0x1c]; + + u8 ext_eth_proto_capability[0x20]; u8 eth_proto_capability[0x20]; u8 ib_link_width_capability[0x10]; u8 ib_proto_capability[0x10]; - u8 reserved_at_a0[0x20]; + u8 ext_eth_proto_admin[0x20]; u8 eth_proto_admin[0x20]; u8 ib_link_width_admin[0x10]; u8 ib_proto_admin[0x10]; - u8 reserved_at_100[0x20]; + u8 ext_eth_proto_oper[0x20]; u8 eth_proto_oper[0x20]; @@ -8280,7 +8292,9 @@ struct mlx5_ifc_mpegc_reg_bits { struct mlx5_ifc_pcam_enhanced_features_bits { u8 reserved_at_0[0x6d]; u8 rx_icrc_encapsulated_counter[0x1]; - u8 reserved_at_6e[0x8]; + u8 reserved_at_6e[0x4]; + u8 ptys_extended_ethernet[0x1]; + u8 reserved_at_73[0x3]; u8 pfcc_mask[0x1]; u8 reserved_at_77[0x3]; u8 per_lane_error_counters[0x1]; @@ -8459,9 +8473,17 @@ struct mlx5_ifc_pamp_reg_bits { struct mlx5_ifc_pcmr_reg_bits { u8 reserved_at_0[0x8]; u8 local_port[0x8]; - u8 reserved_at_10[0x2e]; + u8 reserved_at_10[0x10]; + u8 entropy_force_cap[0x1]; + u8 entropy_calc_cap[0x1]; + u8 entropy_gre_calc_cap[0x1]; + u8 reserved_at_23[0x1b]; u8 fcs_cap[0x1]; - u8 reserved_at_3f[0x1f]; + u8 reserved_at_3f[0x1]; + u8 entropy_force[0x1]; + u8 entropy_calc[0x1]; + u8 entropy_gre_calc[0x1]; + u8 reserved_at_43[0x1b]; u8 fcs_chk[0x1]; u8 reserved_at_5f[0x1]; }; @@ -8746,7 +8768,8 @@ struct mlx5_ifc_initial_seg_bits { u8 initializing[0x1]; u8 reserved_at_fe1[0x4]; u8 nic_interface_supported[0x3]; - u8 reserved_at_fe8[0x18]; + u8 embedded_cpu[0x1]; + u8 reserved_at_fe9[0x17]; struct mlx5_ifc_health_buffer_bits health_buffer; @@ -9513,4 +9536,44 @@ struct mlx5_ifc_mtrc_ctrl_bits { u8 reserved_at_80[0x180]; }; +struct mlx5_ifc_host_params_context_bits { + u8 host_number[0x8]; + u8 reserved_at_8[0x8]; + u8 host_num_of_vfs[0x10]; + + u8 reserved_at_20[0x10]; + u8 host_pci_bus[0x10]; + + u8 reserved_at_40[0x10]; + u8 host_pci_device[0x10]; + + u8 reserved_at_60[0x10]; + u8 host_pci_function[0x10]; + + u8 reserved_at_80[0x180]; +}; + +struct mlx5_ifc_query_host_params_in_bits { + u8 opcode[0x10]; + u8 reserved_at_10[0x10]; + + u8 reserved_at_20[0x10]; + u8 op_mod[0x10]; + + u8 reserved_at_40[0x40]; +}; + +struct mlx5_ifc_query_host_params_out_bits { + u8 status[0x8]; + u8 reserved_at_8[0x18]; + + u8 syndrome[0x20]; + + u8 reserved_at_40[0x40]; + + struct mlx5_ifc_host_params_context_bits host_params_context; + + u8 reserved_at_280[0x180]; +}; + #endif /* MLX5_IFC_H */ diff --git a/include/linux/mlx5/port.h b/include/linux/mlx5/port.h index bf4bc01ffb0c..64e78394fc9c 100644 --- a/include/linux/mlx5/port.h +++ b/include/linux/mlx5/port.h @@ -92,6 +92,22 @@ enum mlx5e_link_mode { MLX5E_LINK_MODES_NUMBER, }; +enum mlx5e_ext_link_mode { + MLX5E_SGMII_100M = 0, + MLX5E_1000BASE_X_SGMII = 1, + MLX5E_5GBASE_R = 3, + MLX5E_10GBASE_XFI_XAUI_1 = 4, + MLX5E_40GBASE_XLAUI_4_XLPPI_4 = 5, + MLX5E_25GAUI_1_25GBASE_CR_KR = 6, + MLX5E_50GAUI_2_LAUI_2_50GBASE_CR2_KR2 = 7, + MLX5E_50GAUI_1_LAUI_1_50GBASE_CR_KR = 8, + MLX5E_CAUI_4_100GBASE_CR4_KR4 = 9, + MLX5E_100GAUI_2_100GBASE_CR2_KR2 = 10, + MLX5E_200GAUI_4_200GBASE_CR4_KR4 = 12, + MLX5E_400GAUI_8 = 15, + MLX5E_EXT_LINK_MODES_NUMBER, +}; + enum mlx5e_connector_type { MLX5E_PORT_UNKNOWN = 0, MLX5E_PORT_NONE = 1, @@ -106,31 +122,23 @@ enum mlx5e_connector_type { }; #define MLX5E_PROT_MASK(link_mode) (1 << link_mode) +#define MLX5_GET_ETH_PROTO(reg, out, ext, field) \ + (ext ? MLX5_GET(reg, out, ext_##field) : \ + MLX5_GET(reg, out, field)) int mlx5_set_port_caps(struct mlx5_core_dev *dev, u8 port_num, u32 caps); int mlx5_query_port_ptys(struct mlx5_core_dev *dev, u32 *ptys, int ptys_size, int proto_mask, u8 local_port); -int mlx5_query_port_proto_cap(struct mlx5_core_dev *dev, - u32 *proto_cap, int proto_mask); -int mlx5_query_port_proto_admin(struct mlx5_core_dev *dev, - u32 *proto_admin, int proto_mask); int mlx5_query_port_link_width_oper(struct mlx5_core_dev *dev, u8 *link_width_oper, u8 local_port); int mlx5_query_port_ib_proto_oper(struct mlx5_core_dev *dev, u8 *proto_oper, u8 local_port); -int mlx5_query_port_eth_proto_oper(struct mlx5_core_dev *dev, - u32 *proto_oper, u8 local_port); -int mlx5_set_port_ptys(struct mlx5_core_dev *dev, bool an_disable, - u32 proto_admin, int proto_mask); void mlx5_toggle_port_link(struct mlx5_core_dev *dev); int mlx5_set_port_admin_status(struct mlx5_core_dev *dev, enum mlx5_port_status status); int mlx5_query_port_admin_status(struct mlx5_core_dev *dev, enum mlx5_port_status *status); int mlx5_set_port_beacon(struct mlx5_core_dev *dev, u16 beacon_duration); -void mlx5_query_port_autoneg(struct mlx5_core_dev *dev, int proto_mask, - u8 *an_status, - u8 *an_disable_cap, u8 *an_disable_admin); int mlx5_set_port_mtu(struct mlx5_core_dev *dev, u16 mtu, u8 port); void mlx5_query_port_max_mtu(struct mlx5_core_dev *dev, u16 *max_mtu, u8 port); @@ -174,6 +182,8 @@ int mlx5_query_port_ets_rate_limit(struct mlx5_core_dev *mdev, int mlx5_set_port_wol(struct mlx5_core_dev *mdev, u8 wol_mode); int mlx5_query_port_wol(struct mlx5_core_dev *mdev, u8 *wol_mode); +int mlx5_query_ports_check(struct mlx5_core_dev *mdev, u32 *out, int outlen); +int mlx5_set_ports_check(struct mlx5_core_dev *mdev, u32 *in, int inlen); int mlx5_set_port_fcs(struct mlx5_core_dev *mdev, u8 enable); void mlx5_query_port_fcs(struct mlx5_core_dev *mdev, bool *supported, bool *enabled); diff --git a/include/linux/mlx5/vport.h b/include/linux/mlx5/vport.h index 9c694808c212..0eef548b9946 100644 --- a/include/linux/mlx5/vport.h +++ b/include/linux/mlx5/vport.h @@ -36,15 +36,38 @@ #include <linux/mlx5/driver.h> #include <linux/mlx5/device.h> +#define MLX5_VPORT_PF_PLACEHOLDER (1u) +#define MLX5_VPORT_UPLINK_PLACEHOLDER (1u) +#define MLX5_VPORT_ECPF_PLACEHOLDER(mdev) (mlx5_ecpf_vport_exists(mdev)) + +#define MLX5_SPECIAL_VPORTS(mdev) (MLX5_VPORT_PF_PLACEHOLDER + \ + MLX5_VPORT_UPLINK_PLACEHOLDER + \ + MLX5_VPORT_ECPF_PLACEHOLDER(mdev)) + +#define MLX5_TOTAL_VPORTS(mdev) (MLX5_SPECIAL_VPORTS(mdev) + \ + mlx5_core_max_vfs(mdev)) + +#define MLX5_VPORT_MANAGER(mdev) \ + (MLX5_CAP_GEN(mdev, vport_group_manager) && \ + (MLX5_CAP_GEN(mdev, port_type) == MLX5_CAP_PORT_TYPE_ETH) && \ + mlx5_core_is_pf(mdev)) + enum { MLX5_CAP_INLINE_MODE_L2, MLX5_CAP_INLINE_MODE_VPORT_CONTEXT, MLX5_CAP_INLINE_MODE_NOT_REQUIRED, }; +enum { + MLX5_VPORT_PF = 0x0, + MLX5_VPORT_FIRST_VF = 0x1, + MLX5_VPORT_ECPF = 0xfffe, + MLX5_VPORT_UPLINK = 0xffff +}; + u8 mlx5_query_vport_state(struct mlx5_core_dev *mdev, u8 opmod, u16 vport); int mlx5_modify_vport_admin_state(struct mlx5_core_dev *mdev, u8 opmod, - u16 vport, u8 state); + u16 vport, u8 other_vport, u8 state); int mlx5_query_nic_vport_mac_address(struct mlx5_core_dev *mdev, u16 vport, u8 *addr); int mlx5_query_nic_vport_min_inline(struct mlx5_core_dev *mdev, @@ -60,7 +83,7 @@ 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); + u16 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, @@ -78,7 +101,7 @@ int mlx5_query_hca_vport_system_image_guid(struct mlx5_core_dev *dev, int mlx5_query_hca_vport_node_guid(struct mlx5_core_dev *dev, u64 *node_guid); int mlx5_query_nic_vport_mac_list(struct mlx5_core_dev *dev, - u32 vport, + u16 vport, enum mlx5_list_type list_type, u8 addr_list[][ETH_ALEN], int *list_size); @@ -87,7 +110,7 @@ int mlx5_modify_nic_vport_mac_list(struct mlx5_core_dev *dev, u8 addr_list[][ETH_ALEN], int list_size); int mlx5_query_nic_vport_promisc(struct mlx5_core_dev *mdev, - u32 vport, + u16 vport, int *promisc_uc, int *promisc_mc, int *promisc_all); @@ -96,7 +119,7 @@ int mlx5_modify_nic_vport_promisc(struct mlx5_core_dev *mdev, int promisc_mc, int promisc_all); int mlx5_query_nic_vport_vlans(struct mlx5_core_dev *dev, - u32 vport, + u16 vport, u16 vlans[], int *size); int mlx5_modify_nic_vport_vlans(struct mlx5_core_dev *dev, @@ -106,7 +129,7 @@ int mlx5_modify_nic_vport_vlans(struct mlx5_core_dev *dev, int mlx5_nic_vport_enable_roce(struct mlx5_core_dev *mdev); int mlx5_nic_vport_disable_roce(struct mlx5_core_dev *mdev); int mlx5_query_vport_down_stats(struct mlx5_core_dev *mdev, u16 vport, - u64 *rx_discard_vport_down, + u8 other_vport, u64 *rx_discard_vport_down, u64 *tx_discard_vport_down); int mlx5_core_query_vport_counter(struct mlx5_core_dev *dev, u8 other_vport, int vf, u8 port_num, void *out, diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h index 2c471a2c43fa..0a36a22228e7 100644 --- a/include/linux/mm_types.h +++ b/include/linux/mm_types.h @@ -95,6 +95,13 @@ struct page { */ unsigned long private; }; + struct { /* page_pool used by netstack */ + /** + * @dma_addr: might require a 64-bit value even on + * 32-bit architectures. + */ + dma_addr_t dma_addr; + }; struct { /* slab, slob and slub */ union { struct list_head slab_list; /* uses lru */ diff --git a/include/linux/mmc/card.h b/include/linux/mmc/card.h index de7377815b6b..19566ab9decb 100644 --- a/include/linux/mmc/card.h +++ b/include/linux/mmc/card.h @@ -133,6 +133,8 @@ struct mmc_ext_csd { struct sd_scr { unsigned char sda_vsn; unsigned char sda_spec3; + unsigned char sda_spec4; + unsigned char sda_specx; unsigned char bus_widths; #define SD_SCR_BUS_WIDTH_1 (1<<0) #define SD_SCR_BUS_WIDTH_4 (1<<2) @@ -277,6 +279,7 @@ struct mmc_card { unsigned int erase_shift; /* if erase unit is power 2 */ unsigned int pref_erase; /* in sectors */ unsigned int eg_boundary; /* don't cross erase-group boundaries */ + unsigned int erase_arg; /* erase / trim / discard */ u8 erased_byte; /* value of erased bytes */ u32 raw_cid[4]; /* raw card CID */ @@ -308,6 +311,7 @@ struct mmc_card { unsigned int nr_parts; unsigned int bouncesz; /* Bounce buffer size */ + struct workqueue_struct *complete_wq; /* Private workqueue */ }; static inline bool mmc_large_sector(struct mmc_card *card) diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h index 4d35ff36ceff..43d0f0c496f6 100644 --- a/include/linux/mmc/host.h +++ b/include/linux/mmc/host.h @@ -478,6 +478,11 @@ static inline void *mmc_priv(struct mmc_host *host) return (void *)host->private; } +static inline struct mmc_host *mmc_from_priv(void *priv) +{ + return container_of(priv, struct mmc_host, private); +} + #define mmc_host_is_spi(host) ((host)->caps & MMC_CAP_SPI) #define mmc_dev(x) ((x)->parent) @@ -502,17 +507,11 @@ void sdio_run_irqs(struct mmc_host *host); void sdio_signal_irq(struct mmc_host *host); #ifdef CONFIG_REGULATOR -int mmc_regulator_get_ocrmask(struct regulator *supply); int mmc_regulator_set_ocr(struct mmc_host *mmc, struct regulator *supply, unsigned short vdd_bit); int mmc_regulator_set_vqmmc(struct mmc_host *mmc, struct mmc_ios *ios); #else -static inline int mmc_regulator_get_ocrmask(struct regulator *supply) -{ - return 0; -} - static inline int mmc_regulator_set_ocr(struct mmc_host *mmc, struct regulator *supply, unsigned short vdd_bit) @@ -527,7 +526,6 @@ static inline int mmc_regulator_set_vqmmc(struct mmc_host *mmc, } #endif -u32 mmc_vddrange_to_ocrmask(int vdd_min, int vdd_max); int mmc_regulator_get_supply(struct mmc_host *mmc); static inline int mmc_card_is_removable(struct mmc_host *host) diff --git a/include/linux/mmc/sd.h b/include/linux/mmc/sd.h index 1ebcf9ba1256..ec94a5aa02bb 100644 --- a/include/linux/mmc/sd.h +++ b/include/linux/mmc/sd.h @@ -91,4 +91,10 @@ #define SD_SWITCH_ACCESS_DEF 0 #define SD_SWITCH_ACCESS_HS 1 +/* + * Erase/discard + */ +#define SD_ERASE_ARG 0x00000000 +#define SD_DISCARD_ARG 0x00000001 + #endif /* LINUX_MMC_SD_H */ diff --git a/include/linux/mmc/slot-gpio.h b/include/linux/mmc/slot-gpio.h index feebd7aa6f5c..9fd3ce64a885 100644 --- a/include/linux/mmc/slot-gpio.h +++ b/include/linux/mmc/slot-gpio.h @@ -22,7 +22,7 @@ int mmc_gpiod_request_cd(struct mmc_host *host, const char *con_id, unsigned int idx, bool override_active_level, unsigned int debounce, bool *gpio_invert); int mmc_gpiod_request_ro(struct mmc_host *host, const char *con_id, - unsigned int idx, bool override_active_level, + unsigned int idx, unsigned int debounce, bool *gpio_invert); void mmc_gpio_set_cd_isr(struct mmc_host *host, irqreturn_t (*isr)(int irq, void *dev_id)); diff --git a/include/linux/module.h b/include/linux/module.h index 8fa38d3e7538..f5bc4c046461 100644 --- a/include/linux/module.h +++ b/include/linux/module.h @@ -129,13 +129,13 @@ extern void cleanup_module(void); #define module_init(initfn) \ static inline initcall_t __maybe_unused __inittest(void) \ { return initfn; } \ - int init_module(void) __attribute__((alias(#initfn))); + int init_module(void) __copy(initfn) __attribute__((alias(#initfn))); /* This is only required if you want to be unloadable. */ #define module_exit(exitfn) \ static inline exitcall_t __maybe_unused __exittest(void) \ { return exitfn; } \ - void cleanup_module(void) __attribute__((alias(#exitfn))); + void cleanup_module(void) __copy(exitfn) __attribute__((alias(#exitfn))); #endif diff --git a/include/linux/mtd/rawnand.h b/include/linux/mtd/rawnand.h index 33e240acdc6d..b7445a44a814 100644 --- a/include/linux/mtd/rawnand.h +++ b/include/linux/mtd/rawnand.h @@ -16,13 +16,12 @@ #ifndef __LINUX_MTD_RAWNAND_H #define __LINUX_MTD_RAWNAND_H -#include <linux/wait.h> -#include <linux/spinlock.h> #include <linux/mtd/mtd.h> #include <linux/mtd/flashchip.h> #include <linux/mtd/bbm.h> #include <linux/mtd/jedec.h> #include <linux/mtd/onfi.h> +#include <linux/mutex.h> #include <linux/of.h> #include <linux/types.h> @@ -897,25 +896,17 @@ struct nand_controller_ops { /** * struct nand_controller - Structure used to describe a NAND controller * - * @lock: protection lock - * @active: the mtd device which holds the controller currently - * @wq: wait queue to sleep on if a NAND operation is in - * progress used instead of the per chip wait queue - * when a hw controller is available. + * @lock: lock used to serialize accesses to the NAND controller * @ops: NAND controller operations. */ struct nand_controller { - spinlock_t lock; - struct nand_chip *active; - wait_queue_head_t wq; + struct mutex lock; const struct nand_controller_ops *ops; }; static inline void nand_controller_init(struct nand_controller *nfc) { - nfc->active = NULL; - spin_lock_init(&nfc->lock); - init_waitqueue_head(&nfc->wq); + mutex_init(&nfc->lock); } /** @@ -936,7 +927,6 @@ static inline void nand_controller_init(struct nand_controller *nfc) * @waitfunc: hardware specific function for wait on ready. * @block_bad: check if a block is bad, using OOB markers * @block_markbad: mark a block bad - * @erase: erase function * @set_features: set the NAND chip features * @get_features: get the NAND chip features * @chip_delay: chip dependent delay for transferring data from array to read @@ -962,7 +952,6 @@ struct nand_legacy { int (*waitfunc)(struct nand_chip *chip); int (*block_bad)(struct nand_chip *chip, loff_t ofs); int (*block_markbad)(struct nand_chip *chip, loff_t ofs); - int (*erase)(struct nand_chip *chip, int page); int (*set_features)(struct nand_chip *chip, int feature_addr, u8 *subfeature_para); int (*get_features)(struct nand_chip *chip, int feature_addr, @@ -983,7 +972,6 @@ struct nand_legacy { * setting the read-retry mode. Mostly needed for MLC NAND. * @ecc: [BOARDSPECIFIC] ECC control structure * @buf_align: minimum buffer alignment required by a platform - * @state: [INTERN] the current state of the NAND device * @oob_poi: "poison value buffer," used for laying out OOB data * before writing * @page_shift: [INTERN] number of address bits in a page (column @@ -1034,6 +1022,9 @@ struct nand_legacy { * cur_cs < numchips. NAND Controller drivers should not * modify this value, but they're allowed to read it. * @read_retries: [INTERN] the number of read retry modes supported + * @lock: lock protecting the suspended field. Also used to + * serialize accesses to the NAND device. + * @suspended: set to 1 when the device is suspended, 0 when it's not. * @bbt: [INTERN] bad block table pointer * @bbt_td: [REPLACEABLE] bad block table descriptor for flash * lookup. @@ -1088,7 +1079,8 @@ struct nand_chip { int read_retries; - flstate_t state; + struct mutex lock; + unsigned int suspended : 1; uint8_t *oob_poi; struct nand_controller *controller; diff --git a/include/linux/mtd/spi-nor.h b/include/linux/mtd/spi-nor.h index fa2d89e38e40..b3d360b0ee3d 100644 --- a/include/linux/mtd/spi-nor.h +++ b/include/linux/mtd/spi-nor.h @@ -46,9 +46,13 @@ #define SPINOR_OP_READ_1_2_2 0xbb /* Read data bytes (Dual I/O SPI) */ #define SPINOR_OP_READ_1_1_4 0x6b /* Read data bytes (Quad Output SPI) */ #define SPINOR_OP_READ_1_4_4 0xeb /* Read data bytes (Quad I/O SPI) */ +#define SPINOR_OP_READ_1_1_8 0x8b /* Read data bytes (Octal Output SPI) */ +#define SPINOR_OP_READ_1_8_8 0xcb /* Read data bytes (Octal I/O SPI) */ #define SPINOR_OP_PP 0x02 /* Page program (up to 256 bytes) */ #define SPINOR_OP_PP_1_1_4 0x32 /* Quad page program */ #define SPINOR_OP_PP_1_4_4 0x38 /* Quad page program */ +#define SPINOR_OP_PP_1_1_8 0x82 /* Octal page program */ +#define SPINOR_OP_PP_1_8_8 0xc2 /* Octal page program */ #define SPINOR_OP_BE_4K 0x20 /* Erase 4KiB block */ #define SPINOR_OP_BE_4K_PMC 0xd7 /* Erase 4KiB block on PMC chips */ #define SPINOR_OP_BE_32K 0x52 /* Erase 32KiB block */ @@ -69,9 +73,13 @@ #define SPINOR_OP_READ_1_2_2_4B 0xbc /* Read data bytes (Dual I/O SPI) */ #define SPINOR_OP_READ_1_1_4_4B 0x6c /* Read data bytes (Quad Output SPI) */ #define SPINOR_OP_READ_1_4_4_4B 0xec /* Read data bytes (Quad I/O SPI) */ +#define SPINOR_OP_READ_1_1_8_4B 0x7c /* Read data bytes (Octal Output SPI) */ +#define SPINOR_OP_READ_1_8_8_4B 0xcc /* Read data bytes (Octal I/O SPI) */ #define SPINOR_OP_PP_4B 0x12 /* Page program (up to 256 bytes) */ #define SPINOR_OP_PP_1_1_4_4B 0x34 /* Quad page program */ #define SPINOR_OP_PP_1_4_4_4B 0x3e /* Quad page program */ +#define SPINOR_OP_PP_1_1_8_4B 0x84 /* Octal page program */ +#define SPINOR_OP_PP_1_8_8_4B 0x8e /* Octal page program */ #define SPINOR_OP_BE_4K_4B 0x21 /* Erase 4KiB block */ #define SPINOR_OP_BE_32K_4B 0x5c /* Erase 32KiB block */ #define SPINOR_OP_SE_4B 0xdc /* Sector erase (usually 64KiB) */ @@ -458,7 +466,7 @@ struct spi_nor_hwcaps { /* *(Fast) Read capabilities. * MUST be ordered by priority: the higher bit position, the higher priority. - * As a matter of performances, it is relevant to use Octo SPI protocols first, + * As a matter of performances, it is relevant to use Octal SPI protocols first, * then Quad SPI protocols before Dual SPI protocols, Fast Read and lastly * (Slow) Read. */ @@ -479,7 +487,7 @@ struct spi_nor_hwcaps { #define SNOR_HWCAPS_READ_4_4_4 BIT(9) #define SNOR_HWCAPS_READ_1_4_4_DTR BIT(10) -#define SNOR_HWCPAS_READ_OCTO GENMASK(14, 11) +#define SNOR_HWCAPS_READ_OCTAL GENMASK(14, 11) #define SNOR_HWCAPS_READ_1_1_8 BIT(11) #define SNOR_HWCAPS_READ_1_8_8 BIT(12) #define SNOR_HWCAPS_READ_8_8_8 BIT(13) @@ -488,7 +496,7 @@ struct spi_nor_hwcaps { /* * Page Program capabilities. * MUST be ordered by priority: the higher bit position, the higher priority. - * Like (Fast) Read capabilities, Octo/Quad SPI protocols are preferred to the + * Like (Fast) Read capabilities, Octal/Quad SPI protocols are preferred to the * legacy SPI 1-1-1 protocol. * Note that Dual Page Programs are not supported because there is no existing * JEDEC/SFDP standard to define them. Also at this moment no SPI flash memory @@ -502,7 +510,7 @@ struct spi_nor_hwcaps { #define SNOR_HWCAPS_PP_1_4_4 BIT(18) #define SNOR_HWCAPS_PP_4_4_4 BIT(19) -#define SNOR_HWCAPS_PP_OCTO GENMASK(22, 20) +#define SNOR_HWCAPS_PP_OCTAL GENMASK(22, 20) #define SNOR_HWCAPS_PP_1_1_8 BIT(20) #define SNOR_HWCAPS_PP_1_8_8 BIT(21) #define SNOR_HWCAPS_PP_8_8_8 BIT(22) diff --git a/include/linux/netdev_features.h b/include/linux/netdev_features.h index 2b2a6dce1630..4c76fe2c8488 100644 --- a/include/linux/netdev_features.h +++ b/include/linux/netdev_features.h @@ -11,6 +11,8 @@ #define _LINUX_NETDEV_FEATURES_H #include <linux/types.h> +#include <linux/bitops.h> +#include <asm/byteorder.h> typedef u64 netdev_features_t; @@ -154,8 +156,26 @@ enum { #define NETIF_F_HW_TLS_TX __NETIF_F(HW_TLS_TX) #define NETIF_F_HW_TLS_RX __NETIF_F(HW_TLS_RX) -#define for_each_netdev_feature(mask_addr, bit) \ - for_each_set_bit(bit, (unsigned long *)mask_addr, NETDEV_FEATURE_COUNT) +/* Finds the next feature with the highest number of the range of start till 0. + */ +static inline int find_next_netdev_feature(u64 feature, unsigned long start) +{ + /* like BITMAP_LAST_WORD_MASK() for u64 + * this sets the most significant 64 - start to 0. + */ + feature &= ~0ULL >> (-start & ((sizeof(feature) * 8) - 1)); + + return fls64(feature) - 1; +} + +/* This goes for the MSB to the LSB through the set feature bits, + * mask_addr should be a u64 and bit an int + */ +#define for_each_netdev_feature(mask_addr, bit) \ + for ((bit) = find_next_netdev_feature((mask_addr), \ + NETDEV_FEATURE_COUNT); \ + (bit) >= 0; \ + (bit) = find_next_netdev_feature((mask_addr), (bit) - 1)) /* Features valid for ethtool to change */ /* = all defined minus driver/device-class-related */ diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index 1377d085ef99..26f69cf763f4 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -274,6 +274,7 @@ struct header_ops { const struct net_device *dev, const unsigned char *haddr); bool (*validate)(const char *ll_header, unsigned int len); + __be16 (*parse_protocol)(const struct sk_buff *skb); }; /* These flag bits are private to the generic network queueing @@ -630,6 +631,7 @@ struct netdev_queue { } ____cacheline_aligned_in_smp; extern int sysctl_fb_tunnels_only_for_init_net; +extern int sysctl_devconf_inherit_init_net; static inline bool net_has_fallback_tunnels(const struct net *net) { @@ -867,7 +869,6 @@ enum bpf_netdev_command { /* BPF program for offload callbacks, invoked at program load time. */ BPF_OFFLOAD_MAP_ALLOC, BPF_OFFLOAD_MAP_FREE, - XDP_QUERY_XSK_UMEM, XDP_SETUP_XSK_UMEM, }; @@ -894,10 +895,10 @@ struct netdev_bpf { struct { struct bpf_offloaded_map *offmap; }; - /* XDP_QUERY_XSK_UMEM, XDP_SETUP_XSK_UMEM */ + /* XDP_SETUP_XSK_UMEM */ struct { - struct xdp_umem *umem; /* out for query*/ - u16 queue_id; /* in for query */ + struct xdp_umem *umem; + u16 queue_id; } xsk; }; }; @@ -940,6 +941,8 @@ struct dev_ifalias { char ifalias[]; }; +struct devlink; + /* * This structure defines the management hooks for network devices. * The following hooks can be defined; unless noted otherwise, they are @@ -1152,7 +1155,8 @@ struct dev_ifalias { * * int (*ndo_fdb_add)(struct ndmsg *ndm, struct nlattr *tb[], * struct net_device *dev, - * const unsigned char *addr, u16 vid, u16 flags) + * const unsigned char *addr, u16 vid, u16 flags, + * struct netlink_ext_ack *extack); * Adds an FDB entry to dev for addr. * int (*ndo_fdb_del)(struct ndmsg *ndm, struct nlattr *tb[], * struct net_device *dev, @@ -1186,6 +1190,10 @@ struct dev_ifalias { * not implement this, it is assumed that the hw is not able to have * multiple net devices on single physical port. * + * int (*ndo_get_port_parent_id)(struct net_device *dev, + * struct netdev_phys_item_id *ppid) + * Called to get the parent ID of the physical port of this device. + * * void (*ndo_udp_tunnel_add)(struct net_device *dev, * struct udp_tunnel_info *ti); * Called by UDP tunnel to notify a driver about the UDP port and socket @@ -1243,6 +1251,10 @@ struct dev_ifalias { * that got dropped are freed/returned via xdp_return_frame(). * Returns negative number, means general error invoking ndo, meaning * no frames were xmit'ed and core-caller will free all frames. + * struct devlink *(*ndo_get_devlink)(struct net_device *dev); + * Get devlink instance associated with a given netdev. + * Called with a reference on the netdevice and devlink locks only, + * rtnl_lock is not held. */ struct net_device_ops { int (*ndo_init)(struct net_device *dev); @@ -1376,7 +1388,8 @@ struct net_device_ops { struct net_device *dev, const unsigned char *addr, u16 vid, - u16 flags); + u16 flags, + struct netlink_ext_ack *extack); int (*ndo_fdb_del)(struct ndmsg *ndm, struct nlattr *tb[], struct net_device *dev, @@ -1409,6 +1422,8 @@ struct net_device_ops { bool new_carrier); int (*ndo_get_phys_port_id)(struct net_device *dev, struct netdev_phys_item_id *ppid); + int (*ndo_get_port_parent_id)(struct net_device *dev, + struct netdev_phys_item_id *ppid); int (*ndo_get_phys_port_name)(struct net_device *dev, char *name, size_t len); void (*ndo_udp_tunnel_add)(struct net_device *dev, @@ -1438,6 +1453,7 @@ struct net_device_ops { u32 flags); int (*ndo_xsk_async_xmit)(struct net_device *dev, u32 queue_id); + struct devlink * (*ndo_get_devlink)(struct net_device *dev); }; /** @@ -1483,6 +1499,7 @@ struct net_device_ops { * @IFF_NO_RX_HANDLER: device doesn't support the rx_handler hook * @IFF_FAILOVER: device is a failover master device * @IFF_FAILOVER_SLAVE: device is lower dev of a failover master device + * @IFF_L3MDEV_RX_HANDLER: only invoke the rx handler of L3 master device */ enum netdev_priv_flags { IFF_802_1Q_VLAN = 1<<0, @@ -1514,6 +1531,7 @@ enum netdev_priv_flags { IFF_NO_RX_HANDLER = 1<<26, IFF_FAILOVER = 1<<27, IFF_FAILOVER_SLAVE = 1<<28, + IFF_L3MDEV_RX_HANDLER = 1<<29, }; #define IFF_802_1Q_VLAN IFF_802_1Q_VLAN @@ -1544,6 +1562,7 @@ enum netdev_priv_flags { #define IFF_NO_RX_HANDLER IFF_NO_RX_HANDLER #define IFF_FAILOVER IFF_FAILOVER #define IFF_FAILOVER_SLAVE IFF_FAILOVER_SLAVE +#define IFF_L3MDEV_RX_HANDLER IFF_L3MDEV_RX_HANDLER /** * struct net_device - The DEVICE structure. @@ -1824,9 +1843,6 @@ struct net_device { #endif const struct net_device_ops *netdev_ops; const struct ethtool_ops *ethtool_ops; -#ifdef CONFIG_NET_SWITCHDEV - const struct switchdev_ops *switchdev_ops; -#endif #ifdef CONFIG_NET_L3_MASTER_DEV const struct l3mdev_ops *l3mdev_ops; #endif @@ -2928,6 +2944,15 @@ static inline int dev_parse_header(const struct sk_buff *skb, return dev->header_ops->parse(skb, haddr); } +static inline __be16 dev_parse_header_protocol(const struct sk_buff *skb) +{ + const struct net_device *dev = skb->dev; + + if (!dev->header_ops || !dev->header_ops->parse_protocol) + return 0; + return dev->header_ops->parse_protocol(skb); +} + /* ll_header must have at least hard_header_len allocated */ static inline bool dev_validate_header(const struct net_device *dev, char *ll_header, int len) @@ -3648,7 +3673,11 @@ int dev_get_phys_port_id(struct net_device *dev, struct netdev_phys_item_id *ppid); int dev_get_phys_port_name(struct net_device *dev, char *name, size_t len); +int dev_get_port_parent_id(struct net_device *dev, + struct netdev_phys_item_id *ppid, bool recurse); +bool netdev_port_same_parent_id(struct net_device *a, struct net_device *b); int dev_change_proto_down(struct net_device *dev, bool proto_down); +int dev_change_proto_down_generic(struct net_device *dev, bool proto_down); struct sk_buff *validate_xmit_skb_list(struct sk_buff *skb, struct net_device *dev, bool *again); struct sk_buff *dev_hard_start_xmit(struct sk_buff *skb, struct net_device *dev, struct netdev_queue *txq, int *ret); @@ -3858,7 +3887,7 @@ static inline u32 netif_msg_init(int debug_value, int default_msg_enable_bits) if (debug_value == 0) /* no output */ return 0; /* set low N bits */ - return (1 << debug_value) - 1; + return (1U << debug_value) - 1; } static inline void __netif_tx_lock(struct netdev_queue *txq, int cpu) @@ -4549,6 +4578,11 @@ static inline bool netif_supports_nofcs(struct net_device *dev) return dev->priv_flags & IFF_SUPP_NOFCS; } +static inline bool netif_has_l3_rx_handler(const struct net_device *dev) +{ + return dev->priv_flags & IFF_L3MDEV_RX_HANDLER; +} + static inline bool netif_is_l3_master(const struct net_device *dev) { return dev->priv_flags & IFF_L3MDEV_MASTER; @@ -4660,22 +4694,22 @@ static inline const char *netdev_reg_state(const struct net_device *dev) return " (unknown)"; } -__printf(3, 4) +__printf(3, 4) __cold void netdev_printk(const char *level, const struct net_device *dev, const char *format, ...); -__printf(2, 3) +__printf(2, 3) __cold void netdev_emerg(const struct net_device *dev, const char *format, ...); -__printf(2, 3) +__printf(2, 3) __cold void netdev_alert(const struct net_device *dev, const char *format, ...); -__printf(2, 3) +__printf(2, 3) __cold void netdev_crit(const struct net_device *dev, const char *format, ...); -__printf(2, 3) +__printf(2, 3) __cold void netdev_err(const struct net_device *dev, const char *format, ...); -__printf(2, 3) +__printf(2, 3) __cold void netdev_warn(const struct net_device *dev, const char *format, ...); -__printf(2, 3) +__printf(2, 3) __cold void netdev_notice(const struct net_device *dev, const char *format, ...); -__printf(2, 3) +__printf(2, 3) __cold void netdev_info(const struct net_device *dev, const char *format, ...); #define netdev_level_once(level, dev, fmt, ...) \ diff --git a/include/linux/netfilter/nf_conntrack_proto_gre.h b/include/linux/netfilter/nf_conntrack_proto_gre.h index 6989e2e4eabf..25f9a770fb84 100644 --- a/include/linux/netfilter/nf_conntrack_proto_gre.h +++ b/include/linux/netfilter/nf_conntrack_proto_gre.h @@ -19,27 +19,18 @@ struct nf_conn; struct nf_ct_gre_keymap { struct list_head list; struct nf_conntrack_tuple tuple; -}; - -enum grep_conntrack { - GRE_CT_UNREPLIED, - GRE_CT_REPLIED, - GRE_CT_MAX -}; - -struct netns_proto_gre { - struct nf_proto_net nf; - rwlock_t keymap_lock; - struct list_head keymap_list; - unsigned int gre_timeouts[GRE_CT_MAX]; + struct rcu_head rcu; }; /* add new tuple->key_reply pair to keymap */ int nf_ct_gre_keymap_add(struct nf_conn *ct, enum ip_conntrack_dir dir, struct nf_conntrack_tuple *t); +void nf_ct_gre_keymap_flush(struct net *net); /* delete keymap entries */ void nf_ct_gre_keymap_destroy(struct nf_conn *ct); +bool gre_pkt_to_tuple(const struct sk_buff *skb, unsigned int dataoff, + struct net *net, struct nf_conntrack_tuple *tuple); #endif /* __KERNEL__ */ #endif /* _CONNTRACK_PROTO_GRE_H */ diff --git a/include/linux/netfilter/x_tables.h b/include/linux/netfilter/x_tables.h index 9077b3ebea08..bf384b3eedb8 100644 --- a/include/linux/netfilter/x_tables.h +++ b/include/linux/netfilter/x_tables.h @@ -289,9 +289,9 @@ bool xt_find_jump_offset(const unsigned int *offsets, int xt_check_proc_name(const char *name, unsigned int size); -int xt_check_match(struct xt_mtchk_param *, unsigned int size, u_int8_t proto, +int xt_check_match(struct xt_mtchk_param *, unsigned int size, u16 proto, bool inv_proto); -int xt_check_target(struct xt_tgchk_param *, unsigned int size, u_int8_t proto, +int xt_check_target(struct xt_tgchk_param *, unsigned int size, u16 proto, bool inv_proto); int xt_match_to_user(const struct xt_entry_match *m, diff --git a/include/linux/netfilter_ipv4.h b/include/linux/netfilter_ipv4.h index 95ab5cc64422..082e2c41b7ff 100644 --- a/include/linux/netfilter_ipv4.h +++ b/include/linux/netfilter_ipv4.h @@ -25,7 +25,6 @@ __sum16 nf_ip_checksum(struct sk_buff *skb, unsigned int hook, unsigned int dataoff, u_int8_t protocol); int nf_ip_route(struct net *net, struct dst_entry **dst, struct flowi *fl, bool strict); -int nf_ip_reroute(struct sk_buff *skb, const struct nf_queue_entry *entry); #else static inline __sum16 nf_ip_checksum(struct sk_buff *skb, unsigned int hook, unsigned int dataoff, u_int8_t protocol) @@ -37,11 +36,6 @@ static inline int nf_ip_route(struct net *net, struct dst_entry **dst, { return -EOPNOTSUPP; } -static inline int nf_ip_reroute(struct sk_buff *skb, - const struct nf_queue_entry *entry) -{ - return -EOPNOTSUPP; -} #endif /* CONFIG_INET */ #endif /*__LINUX_IP_NETFILTER_H*/ diff --git a/include/linux/netfilter_ipv6.h b/include/linux/netfilter_ipv6.h index c0dc4dd78887..471e9467105b 100644 --- a/include/linux/netfilter_ipv6.h +++ b/include/linux/netfilter_ipv6.h @@ -25,23 +25,24 @@ struct nf_queue_entry; * if IPv6 is a module. */ struct nf_ipv6_ops { +#if IS_MODULE(CONFIG_IPV6) int (*chk_addr)(struct net *net, const struct in6_addr *addr, const struct net_device *dev, int strict); + int (*route_me_harder)(struct net *net, struct sk_buff *skb); + int (*dev_get_saddr)(struct net *net, const struct net_device *dev, + const struct in6_addr *daddr, unsigned int srcprefs, + struct in6_addr *saddr); + int (*route)(struct net *net, struct dst_entry **dst, struct flowi *fl, + bool strict); +#endif void (*route_input)(struct sk_buff *skb); int (*fragment)(struct net *net, struct sock *sk, struct sk_buff *skb, int (*output)(struct net *, struct sock *, struct sk_buff *)); - int (*route)(struct net *net, struct dst_entry **dst, struct flowi *fl, - bool strict); int (*reroute)(struct sk_buff *skb, const struct nf_queue_entry *entry); }; #ifdef CONFIG_NETFILTER -int ip6_route_me_harder(struct net *net, struct sk_buff *skb); -__sum16 nf_ip6_checksum(struct sk_buff *skb, unsigned int hook, - unsigned int dataoff, u_int8_t protocol); - -int ipv6_netfilter_init(void); -void ipv6_netfilter_fini(void); +#include <net/addrconf.h> extern const struct nf_ipv6_ops __rcu *nf_ipv6_ops; static inline const struct nf_ipv6_ops *nf_get_ipv6_ops(void) @@ -49,6 +50,49 @@ static inline const struct nf_ipv6_ops *nf_get_ipv6_ops(void) return rcu_dereference(nf_ipv6_ops); } +static inline int nf_ipv6_chk_addr(struct net *net, const struct in6_addr *addr, + const struct net_device *dev, int strict) +{ +#if IS_MODULE(CONFIG_IPV6) + const struct nf_ipv6_ops *v6_ops = nf_get_ipv6_ops(); + + if (!v6_ops) + return 1; + + return v6_ops->chk_addr(net, addr, dev, strict); +#else + return ipv6_chk_addr(net, addr, dev, strict); +#endif +} + +int __nf_ip6_route(struct net *net, struct dst_entry **dst, + struct flowi *fl, bool strict); + +static inline int nf_ip6_route(struct net *net, struct dst_entry **dst, + struct flowi *fl, bool strict) +{ +#if IS_MODULE(CONFIG_IPV6) + const struct nf_ipv6_ops *v6ops = nf_get_ipv6_ops(); + + if (v6ops) + return v6ops->route(net, dst, fl, strict); + + return -EHOSTUNREACH; +#endif +#if IS_BUILTIN(CONFIG_IPV6) + return __nf_ip6_route(net, dst, fl, strict); +#else + return -EHOSTUNREACH; +#endif +} + +int ip6_route_me_harder(struct net *net, struct sk_buff *skb); +__sum16 nf_ip6_checksum(struct sk_buff *skb, unsigned int hook, + unsigned int dataoff, u_int8_t protocol); + +int ipv6_netfilter_init(void); +void ipv6_netfilter_fini(void); + #else /* CONFIG_NETFILTER */ static inline int ipv6_netfilter_init(void) { return 0; } static inline void ipv6_netfilter_fini(void) { return; } diff --git a/include/linux/netlink.h b/include/linux/netlink.h index 4e8add270200..593d1b9c33a8 100644 --- a/include/linux/netlink.h +++ b/include/linux/netlink.h @@ -126,6 +126,7 @@ void __netlink_clear_multicast_users(struct sock *sk, unsigned int group); void netlink_ack(struct sk_buff *in_skb, struct nlmsghdr *nlh, int err, const struct netlink_ext_ack *extack); int netlink_has_listeners(struct sock *sk, unsigned int group); +bool netlink_strict_get_check(struct sk_buff *skb); int netlink_unicast(struct sock *ssk, struct sk_buff *skb, __u32 portid, int nonblock); int netlink_broadcast(struct sock *ssk, struct sk_buff *skb, __u32 portid, diff --git a/include/linux/objagg.h b/include/linux/objagg.h index 34f38c186ea0..78021777df46 100644 --- a/include/linux/objagg.h +++ b/include/linux/objagg.h @@ -6,14 +6,19 @@ struct objagg_ops { size_t obj_size; + bool (*delta_check)(void *priv, const void *parent_obj, + const void *obj); + int (*hints_obj_cmp)(const void *obj1, const void *obj2); void * (*delta_create)(void *priv, void *parent_obj, void *obj); void (*delta_destroy)(void *priv, void *delta_priv); - void * (*root_create)(void *priv, void *obj); + void * (*root_create)(void *priv, void *obj, unsigned int root_id); +#define OBJAGG_OBJ_ROOT_ID_INVALID UINT_MAX void (*root_destroy)(void *priv, void *root_priv); }; struct objagg; struct objagg_obj; +struct objagg_hints; const void *objagg_obj_root_priv(const struct objagg_obj *objagg_obj); const void *objagg_obj_delta_priv(const struct objagg_obj *objagg_obj); @@ -21,7 +26,8 @@ const void *objagg_obj_raw(const struct objagg_obj *objagg_obj); struct objagg_obj *objagg_obj_get(struct objagg *objagg, void *obj); void objagg_obj_put(struct objagg *objagg, struct objagg_obj *objagg_obj); -struct objagg *objagg_create(const struct objagg_ops *ops, void *priv); +struct objagg *objagg_create(const struct objagg_ops *ops, + struct objagg_hints *hints, void *priv); void objagg_destroy(struct objagg *objagg); struct objagg_obj_stats { @@ -36,6 +42,7 @@ struct objagg_obj_stats_info { }; struct objagg_stats { + unsigned int root_count; unsigned int stats_info_count; struct objagg_obj_stats_info stats_info[]; }; @@ -43,4 +50,14 @@ struct objagg_stats { const struct objagg_stats *objagg_stats_get(struct objagg *objagg); void objagg_stats_put(const struct objagg_stats *objagg_stats); +enum objagg_opt_algo_type { + OBJAGG_OPT_ALGO_SIMPLE_GREEDY, +}; + +struct objagg_hints *objagg_hints_get(struct objagg *objagg, + enum objagg_opt_algo_type opt_algo_type); +void objagg_hints_put(struct objagg_hints *objagg_hints); +const struct objagg_stats * +objagg_hints_stats_get(struct objagg_hints *objagg_hints); + #endif diff --git a/include/linux/pci.h b/include/linux/pci.h index 65f1d8c2f082..e7c51b00cdfe 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -1393,7 +1393,7 @@ static inline int pci_enable_msix_exact(struct pci_dev *dev, } int pci_alloc_irq_vectors_affinity(struct pci_dev *dev, unsigned int min_vecs, unsigned int max_vecs, unsigned int flags, - const struct irq_affinity *affd); + struct irq_affinity *affd); void pci_free_irq_vectors(struct pci_dev *dev); int pci_irq_vector(struct pci_dev *dev, unsigned int nr); @@ -1419,7 +1419,7 @@ static inline int pci_enable_msix_exact(struct pci_dev *dev, static inline int pci_alloc_irq_vectors_affinity(struct pci_dev *dev, unsigned int min_vecs, unsigned int max_vecs, unsigned int flags, - const struct irq_affinity *aff_desc) + struct irq_affinity *aff_desc) { if ((flags & PCI_IRQ_LEGACY) && min_vecs == 1 && dev->irq) return 1; diff --git a/include/linux/percpu-rwsem.h b/include/linux/percpu-rwsem.h index 71b75643c432..03cb4b6f842e 100644 --- a/include/linux/percpu-rwsem.h +++ b/include/linux/percpu-rwsem.h @@ -29,7 +29,7 @@ static struct percpu_rw_semaphore name = { \ extern int __percpu_down_read(struct percpu_rw_semaphore *, int); extern void __percpu_up_read(struct percpu_rw_semaphore *); -static inline void percpu_down_read_preempt_disable(struct percpu_rw_semaphore *sem) +static inline void percpu_down_read(struct percpu_rw_semaphore *sem) { might_sleep(); @@ -47,16 +47,10 @@ static inline void percpu_down_read_preempt_disable(struct percpu_rw_semaphore * __this_cpu_inc(*sem->read_count); if (unlikely(!rcu_sync_is_idle(&sem->rss))) __percpu_down_read(sem, false); /* Unconditional memory barrier */ - barrier(); /* - * The barrier() prevents the compiler from + * The preempt_enable() prevents the compiler from * bleeding the critical section out. */ -} - -static inline void percpu_down_read(struct percpu_rw_semaphore *sem) -{ - percpu_down_read_preempt_disable(sem); preempt_enable(); } @@ -83,13 +77,9 @@ static inline int percpu_down_read_trylock(struct percpu_rw_semaphore *sem) return ret; } -static inline void percpu_up_read_preempt_enable(struct percpu_rw_semaphore *sem) +static inline void percpu_up_read(struct percpu_rw_semaphore *sem) { - /* - * The barrier() prevents the compiler from - * bleeding the critical section out. - */ - barrier(); + preempt_disable(); /* * Same as in percpu_down_read(). */ @@ -102,12 +92,6 @@ static inline void percpu_up_read_preempt_enable(struct percpu_rw_semaphore *sem rwsem_release(&sem->rw_sem.dep_map, 1, _RET_IP_); } -static inline void percpu_up_read(struct percpu_rw_semaphore *sem) -{ - preempt_disable(); - percpu_up_read_preempt_enable(sem); -} - extern void percpu_down_write(struct percpu_rw_semaphore *); extern void percpu_up_write(struct percpu_rw_semaphore *); diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h index 1d5c551a5add..e47ef764f613 100644 --- a/include/linux/perf_event.h +++ b/include/linux/perf_event.h @@ -53,8 +53,8 @@ struct perf_guest_info_callbacks { #include <linux/atomic.h> #include <linux/sysfs.h> #include <linux/perf_regs.h> -#include <linux/workqueue.h> #include <linux/cgroup.h> +#include <linux/refcount.h> #include <asm/local.h> struct perf_callchain_entry { @@ -244,6 +244,7 @@ struct perf_event; #define PERF_PMU_CAP_EXCLUSIVE 0x10 #define PERF_PMU_CAP_ITRACE 0x20 #define PERF_PMU_CAP_HETEROGENEOUS_CPUS 0x40 +#define PERF_PMU_CAP_NO_EXCLUDE 0x80 /** * struct pmu - generic performance monitoring unit @@ -409,7 +410,7 @@ struct pmu { /* * Set up pmu-private data structures for an AUX area */ - void *(*setup_aux) (int cpu, void **pages, + void *(*setup_aux) (struct perf_event *event, void **pages, int nr_pages, bool overwrite); /* optional */ @@ -447,6 +448,11 @@ struct pmu { * Filter events for PMU-specific reasons. */ int (*filter_match) (struct perf_event *event); /* optional */ + + /* + * Check period value for PERF_EVENT_IOC_PERIOD ioctl. + */ + int (*check_period) (struct perf_event *event, u64 value); /* optional */ }; enum perf_addr_filter_action_t { @@ -489,6 +495,11 @@ struct perf_addr_filters_head { unsigned int nr_file_filters; }; +struct perf_addr_filter_range { + unsigned long start; + unsigned long size; +}; + /** * enum perf_event_state - the states of an event: */ @@ -665,7 +676,7 @@ struct perf_event { /* address range filters */ struct perf_addr_filters_head addr_filters; /* vma address array for file-based filders */ - unsigned long *addr_filters_offs; + struct perf_addr_filter_range *addr_filter_ranges; unsigned long addr_filters_gen; void (*destroy)(struct perf_event *); @@ -737,7 +748,7 @@ struct perf_event_context { int nr_stat; int nr_freq; int rotate_disable; - atomic_t refcount; + refcount_t refcount; struct task_struct *task; /* @@ -978,9 +989,9 @@ extern void perf_event_output_forward(struct perf_event *event, extern void perf_event_output_backward(struct perf_event *event, struct perf_sample_data *data, struct pt_regs *regs); -extern void perf_event_output(struct perf_event *event, - struct perf_sample_data *data, - struct pt_regs *regs); +extern int perf_event_output(struct perf_event *event, + struct perf_sample_data *data, + struct pt_regs *regs); static inline bool is_default_overflow_handler(struct perf_event *event) @@ -1004,6 +1015,15 @@ perf_event__output_id_sample(struct perf_event *event, extern void perf_log_lost_samples(struct perf_event *event, u64 lost); +static inline bool event_has_any_exclude_flag(struct perf_event *event) +{ + struct perf_event_attr *attr = &event->attr; + + return attr->exclude_idle || attr->exclude_user || + attr->exclude_kernel || attr->exclude_hv || + attr->exclude_guest || attr->exclude_host; +} + static inline bool is_sampling_event(struct perf_event *event) { return event->attr.sample_period != 0; @@ -1113,6 +1133,13 @@ static inline void perf_event_task_sched_out(struct task_struct *prev, } extern void perf_event_mmap(struct vm_area_struct *vma); + +extern void perf_event_ksymbol(u16 ksym_type, u64 addr, u32 len, + bool unregister, const char *sym); +extern void perf_event_bpf_event(struct bpf_prog *prog, + enum perf_bpf_event_type type, + u16 flags); + extern struct perf_guest_info_callbacks *perf_guest_cbs; extern int perf_register_guest_info_callbacks(struct perf_guest_info_callbacks *callbacks); extern int perf_unregister_guest_info_callbacks(struct perf_guest_info_callbacks *callbacks); @@ -1333,6 +1360,13 @@ static inline int perf_unregister_guest_info_callbacks (struct perf_guest_info_callbacks *callbacks) { return 0; } static inline void perf_event_mmap(struct vm_area_struct *vma) { } + +typedef int (perf_ksymbol_get_name_f)(char *name, int name_len, void *data); +static inline void perf_event_ksymbol(u16 ksym_type, u64 addr, u32 len, + bool unregister, const char *sym) { } +static inline void perf_event_bpf_event(struct bpf_prog *prog, + enum perf_bpf_event_type type, + u16 flags) { } static inline void perf_event_exec(void) { } static inline void perf_event_comm(struct task_struct *tsk, bool exec) { } static inline void perf_event_namespaces(struct task_struct *tsk) { } diff --git a/include/linux/phy.h b/include/linux/phy.h index ef20aeea10cc..34084892a466 100644 --- a/include/linux/phy.h +++ b/include/linux/phy.h @@ -306,11 +306,6 @@ struct phy_device *mdiobus_scan(struct mii_bus *bus, int addr); * - irq or timer will set NOLINK if link goes down * - phy_stop moves to HALTED * - * CHANGELINK: PHY experienced a change in link state - * - timer moves to RUNNING if link - * - timer moves to NOLINK if the link is down - * - phy_stop moves to HALTED - * * HALTED: PHY is up, but no polling or interrupts are done. Or * PHY is in an error state. * @@ -329,7 +324,6 @@ enum phy_state { PHY_RUNNING, PHY_NOLINK, PHY_FORCING, - PHY_CHANGELINK, PHY_RESUMING }; @@ -508,6 +502,12 @@ struct phy_driver { */ int (*probe)(struct phy_device *phydev); + /* + * Probe the hardware to determine what abilities it has. + * Should only set phydev->supported. + */ + int (*get_features)(struct phy_device *phydev); + /* PHY Power Management */ int (*suspend)(struct phy_device *phydev); int (*resume)(struct phy_device *phydev); @@ -673,13 +673,8 @@ phy_lookup_setting(int speed, int duplex, const unsigned long *mask, bool exact); size_t phy_speeds(unsigned int *speeds, size_t size, unsigned long *mask); - -static inline bool __phy_is_started(struct phy_device *phydev) -{ - WARN_ON(!mutex_is_locked(&phydev->lock)); - - return phydev->state >= PHY_UP; -} +void of_set_phy_supported(struct phy_device *phydev); +void of_set_phy_eee_broken(struct phy_device *phydev); /** * phy_is_started - Convenience function to check whether PHY is started @@ -687,29 +682,12 @@ static inline bool __phy_is_started(struct phy_device *phydev) */ static inline bool phy_is_started(struct phy_device *phydev) { - bool started; - - mutex_lock(&phydev->lock); - started = __phy_is_started(phydev); - mutex_unlock(&phydev->lock); - - return started; + return phydev->state >= PHY_UP; } void phy_resolve_aneg_linkmode(struct phy_device *phydev); /** - * phy_read_mmd - Convenience function for reading a register - * from an MMD on a given PHY. - * @phydev: The phy_device struct - * @devad: The MMD to read from - * @regnum: The register on the MMD to read - * - * Same rules as for phy_read(); - */ -int phy_read_mmd(struct phy_device *phydev, int devad, u32 regnum); - -/** * phy_read - Convenience function for reading a given PHY register * @phydev: the phy_device struct * @regnum: register number to read @@ -764,9 +742,68 @@ static inline int __phy_write(struct phy_device *phydev, u32 regnum, u16 val) val); } +/** + * phy_read_mmd - Convenience function for reading a register + * from an MMD on a given PHY. + * @phydev: The phy_device struct + * @devad: The MMD to read from + * @regnum: The register on the MMD to read + * + * Same rules as for phy_read(); + */ +int phy_read_mmd(struct phy_device *phydev, int devad, u32 regnum); + +/** + * __phy_read_mmd - Convenience function for reading a register + * from an MMD on a given PHY. + * @phydev: The phy_device struct + * @devad: The MMD to read from + * @regnum: The register on the MMD to read + * + * Same rules as for __phy_read(); + */ +int __phy_read_mmd(struct phy_device *phydev, int devad, u32 regnum); + +/** + * phy_write_mmd - Convenience function for writing a register + * on an MMD on a given PHY. + * @phydev: The phy_device struct + * @devad: The MMD to write to + * @regnum: The register on the MMD to read + * @val: value to write to @regnum + * + * Same rules as for phy_write(); + */ +int phy_write_mmd(struct phy_device *phydev, int devad, u32 regnum, u16 val); + +/** + * __phy_write_mmd - Convenience function for writing a register + * on an MMD on a given PHY. + * @phydev: The phy_device struct + * @devad: The MMD to write to + * @regnum: The register on the MMD to read + * @val: value to write to @regnum + * + * Same rules as for __phy_write(); + */ +int __phy_write_mmd(struct phy_device *phydev, int devad, u32 regnum, u16 val); + +int __phy_modify_changed(struct phy_device *phydev, u32 regnum, u16 mask, + u16 set); +int phy_modify_changed(struct phy_device *phydev, u32 regnum, u16 mask, + u16 set); int __phy_modify(struct phy_device *phydev, u32 regnum, u16 mask, u16 set); int phy_modify(struct phy_device *phydev, u32 regnum, u16 mask, u16 set); +int __phy_modify_mmd_changed(struct phy_device *phydev, int devad, u32 regnum, + u16 mask, u16 set); +int phy_modify_mmd_changed(struct phy_device *phydev, int devad, u32 regnum, + u16 mask, u16 set); +int __phy_modify_mmd(struct phy_device *phydev, int devad, u32 regnum, + u16 mask, u16 set); +int phy_modify_mmd(struct phy_device *phydev, int devad, u32 regnum, + u16 mask, u16 set); + /** * __phy_set_bits - Convenience function for setting bits in a PHY register * @phydev: the phy_device struct @@ -817,6 +854,66 @@ static inline int phy_clear_bits(struct phy_device *phydev, u32 regnum, u16 val) } /** + * __phy_set_bits_mmd - Convenience function for setting bits in a register + * on MMD + * @phydev: the phy_device struct + * @devad: the MMD containing register to modify + * @regnum: register number to modify + * @val: bits to set + * + * The caller must have taken the MDIO bus lock. + */ +static inline int __phy_set_bits_mmd(struct phy_device *phydev, int devad, + u32 regnum, u16 val) +{ + return __phy_modify_mmd(phydev, devad, regnum, 0, val); +} + +/** + * __phy_clear_bits_mmd - Convenience function for clearing bits in a register + * on MMD + * @phydev: the phy_device struct + * @devad: the MMD containing register to modify + * @regnum: register number to modify + * @val: bits to clear + * + * The caller must have taken the MDIO bus lock. + */ +static inline int __phy_clear_bits_mmd(struct phy_device *phydev, int devad, + u32 regnum, u16 val) +{ + return __phy_modify_mmd(phydev, devad, regnum, val, 0); +} + +/** + * phy_set_bits_mmd - Convenience function for setting bits in a register + * on MMD + * @phydev: the phy_device struct + * @devad: the MMD containing register to modify + * @regnum: register number to modify + * @val: bits to set + */ +static inline int phy_set_bits_mmd(struct phy_device *phydev, int devad, + u32 regnum, u16 val) +{ + return phy_modify_mmd(phydev, devad, regnum, 0, val); +} + +/** + * phy_clear_bits_mmd - Convenience function for clearing bits in a register + * on MMD + * @phydev: the phy_device struct + * @devad: the MMD containing register to modify + * @regnum: register number to modify + * @val: bits to clear + */ +static inline int phy_clear_bits_mmd(struct phy_device *phydev, int devad, + u32 regnum, u16 val) +{ + return phy_modify_mmd(phydev, devad, regnum, val, 0); +} + +/** * phy_interrupt_is_valid - Convenience function for testing a given PHY irq * @phydev: the phy_device struct * @@ -892,18 +989,6 @@ static inline bool phy_is_pseudo_fixed_link(struct phy_device *phydev) return phydev->is_pseudo_fixed_link; } -/** - * phy_write_mmd - Convenience function for writing a register - * on an MMD on a given PHY. - * @phydev: The phy_device struct - * @devad: The MMD to read from - * @regnum: The register on the MMD to read - * @val: value to write to @regnum - * - * Same rules as for phy_write(); - */ -int phy_write_mmd(struct phy_device *phydev, int devad, u32 regnum, u16 val); - int phy_save_page(struct phy_device *phydev); int phy_select_page(struct phy_device *phydev, int page); int phy_restore_page(struct phy_device *phydev, int oldpage, int ret); @@ -959,7 +1044,6 @@ int phy_aneg_done(struct phy_device *phydev); int phy_speed_down(struct phy_device *phydev, bool sync); int phy_speed_up(struct phy_device *phydev); -int phy_stop_interrupts(struct phy_device *phydev); int phy_restart_aneg(struct phy_device *phydev); int phy_reset_after_clk_enable(struct phy_device *phydev); @@ -993,6 +1077,7 @@ void phy_attached_info(struct phy_device *phydev); int genphy_config_init(struct phy_device *phydev); int genphy_setup_forced(struct phy_device *phydev); int genphy_restart_aneg(struct phy_device *phydev); +int genphy_config_eee_advert(struct phy_device *phydev); int genphy_config_aneg(struct phy_device *phydev); int genphy_aneg_done(struct phy_device *phydev); int genphy_update_link(struct phy_device *phydev); @@ -1005,6 +1090,14 @@ static inline int genphy_no_soft_reset(struct phy_device *phydev) { return 0; } +static inline int genphy_no_ack_interrupt(struct phy_device *phydev) +{ + return 0; +} +static inline int genphy_no_config_intr(struct phy_device *phydev) +{ + return 0; +} int genphy_read_mmd_unsupported(struct phy_device *phdev, int devad, u16 regnum); int genphy_write_mmd_unsupported(struct phy_device *phdev, int devnum, @@ -1012,21 +1105,20 @@ int genphy_write_mmd_unsupported(struct phy_device *phdev, int devnum, /* Clause 45 PHY */ int genphy_c45_restart_aneg(struct phy_device *phydev); +int genphy_c45_check_and_restart_aneg(struct phy_device *phydev, bool restart); int genphy_c45_aneg_done(struct phy_device *phydev); -int genphy_c45_read_link(struct phy_device *phydev, u32 mmd_mask); +int genphy_c45_read_link(struct phy_device *phydev); int genphy_c45_read_lpa(struct phy_device *phydev); int genphy_c45_read_pma(struct phy_device *phydev); int genphy_c45_pma_setup_forced(struct phy_device *phydev); +int genphy_c45_an_config_aneg(struct phy_device *phydev); int genphy_c45_an_disable_aneg(struct phy_device *phydev); int genphy_c45_read_mdix(struct phy_device *phydev); +int genphy_c45_pma_read_abilities(struct phy_device *phydev); +int genphy_c45_read_status(struct phy_device *phydev); /* The gen10g_* functions are the old Clause 45 stub */ int gen10g_config_aneg(struct phy_device *phydev); -int gen10g_read_status(struct phy_device *phydev); -int gen10g_no_soft_reset(struct phy_device *phydev); -int gen10g_config_init(struct phy_device *phydev); -int gen10g_suspend(struct phy_device *phydev); -int gen10g_resume(struct phy_device *phydev); static inline int phy_read_status(struct phy_device *phydev) { @@ -1054,7 +1146,7 @@ void phy_ethtool_ksettings_get(struct phy_device *phydev, int phy_ethtool_ksettings_set(struct phy_device *phydev, const struct ethtool_link_ksettings *cmd); int phy_mii_ioctl(struct phy_device *phydev, struct ifreq *ifr, int cmd); -int phy_start_interrupts(struct phy_device *phydev); +void phy_request_interrupt(struct phy_device *phydev); void phy_print_status(struct phy_device *phydev); int phy_set_max_speed(struct phy_device *phydev, u32 max_speed); void phy_remove_link_mode(struct phy_device *phydev, u32 link_mode); @@ -1185,4 +1277,7 @@ module_exit(phy_module_exit) #define module_phy_driver(__phy_drivers) \ phy_module_driver(__phy_drivers, ARRAY_SIZE(__phy_drivers)) +bool phy_driver_is_genphy(struct phy_device *phydev); +bool phy_driver_is_genphy_10g(struct phy_device *phydev); + #endif /* __PHY_H */ diff --git a/include/linux/phy_fixed.h b/include/linux/phy_fixed.h index 9525567b1951..1e5d86ebdaeb 100644 --- a/include/linux/phy_fixed.h +++ b/include/linux/phy_fixed.h @@ -15,30 +15,41 @@ struct device_node; #if IS_ENABLED(CONFIG_FIXED_PHY) extern int fixed_phy_change_carrier(struct net_device *dev, bool new_carrier); extern int fixed_phy_add(unsigned int irq, int phy_id, - struct fixed_phy_status *status, - int link_gpio); + struct fixed_phy_status *status); extern struct phy_device *fixed_phy_register(unsigned int irq, struct fixed_phy_status *status, - int link_gpio, struct device_node *np); + +extern struct phy_device * +fixed_phy_register_with_gpiod(unsigned int irq, + struct fixed_phy_status *status, + struct gpio_desc *gpiod); + extern void fixed_phy_unregister(struct phy_device *phydev); extern int fixed_phy_set_link_update(struct phy_device *phydev, int (*link_update)(struct net_device *, struct fixed_phy_status *)); #else static inline int fixed_phy_add(unsigned int irq, int phy_id, - struct fixed_phy_status *status, - int link_gpio) + struct fixed_phy_status *status) { return -ENODEV; } static inline struct phy_device *fixed_phy_register(unsigned int irq, struct fixed_phy_status *status, - int gpio_link, struct device_node *np) { return ERR_PTR(-ENODEV); } + +static inline struct phy_device * +fixed_phy_register_with_gpiod(unsigned int irq, + struct fixed_phy_status *status, + struct gpio_desc *gpiod) +{ + return ERR_PTR(-ENODEV); +} + static inline void fixed_phy_unregister(struct phy_device *phydev) { } diff --git a/include/linux/phylink.h b/include/linux/phylink.h index 021fc6595856..6411c624f63a 100644 --- a/include/linux/phylink.h +++ b/include/linux/phylink.h @@ -149,6 +149,13 @@ int mac_link_state(struct net_device *ndev, * configuration word. Nothing is advertised by the MAC. The MAC is * responsible for reading the configuration word and configuring * itself accordingly. + * + * Implementations are expected to update the MAC to reflect the + * requested settings - i.o.w., if nothing has changed between two + * calls, no action is expected. If only flow control settings have + * changed, flow control should be updated *without* taking the link + * down. This "update" behaviour is critical to avoid bouncing the + * link up status. */ void mac_config(struct net_device *ndev, unsigned int mode, const struct phylink_link_state *state); @@ -220,6 +227,7 @@ void phylink_ethtool_get_pauseparam(struct phylink *, int phylink_ethtool_set_pauseparam(struct phylink *, struct ethtool_pauseparam *); int phylink_get_eee_err(struct phylink *); +int phylink_init_eee(struct phylink *, bool); int phylink_ethtool_get_eee(struct phylink *, struct ethtool_eee *); int phylink_ethtool_set_eee(struct phylink *, struct ethtool_eee *); int phylink_mii_ioctl(struct phylink *, struct ifreq *, int); diff --git a/include/linux/platform_data/b53.h b/include/linux/platform_data/b53.h index 8eaef2f2b691..c3b61ead41f2 100644 --- a/include/linux/platform_data/b53.h +++ b/include/linux/platform_data/b53.h @@ -20,7 +20,7 @@ #define __B53_H #include <linux/kernel.h> -#include <net/dsa.h> +#include <linux/platform_data/dsa.h> struct b53_platform_data { /* Must be first such that dsa_register_switch() can access it */ diff --git a/include/linux/platform_data/dsa.h b/include/linux/platform_data/dsa.h new file mode 100644 index 000000000000..d4d9bf2060a6 --- /dev/null +++ b/include/linux/platform_data/dsa.h @@ -0,0 +1,68 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __DSA_PDATA_H +#define __DSA_PDATA_H + +struct device; +struct net_device; + +#define DSA_MAX_SWITCHES 4 +#define DSA_MAX_PORTS 12 +#define DSA_RTABLE_NONE -1 + +struct dsa_chip_data { + /* + * How to access the switch configuration registers. + */ + struct device *host_dev; + int sw_addr; + + /* + * Reference to network devices + */ + struct device *netdev[DSA_MAX_PORTS]; + + /* set to size of eeprom if supported by the switch */ + int eeprom_len; + + /* Device tree node pointer for this specific switch chip + * used during switch setup in case additional properties + * and resources needs to be used + */ + struct device_node *of_node; + + /* + * The names of the switch's ports. Use "cpu" to + * designate the switch port that the cpu is connected to, + * "dsa" to indicate that this port is a DSA link to + * another switch, NULL to indicate the port is unused, + * or any other string to indicate this is a physical port. + */ + char *port_names[DSA_MAX_PORTS]; + struct device_node *port_dn[DSA_MAX_PORTS]; + + /* + * An array of which element [a] indicates which port on this + * switch should be used to send packets to that are destined + * for switch a. Can be NULL if there is only one switch chip. + */ + s8 rtable[DSA_MAX_SWITCHES]; +}; + +struct dsa_platform_data { + /* + * Reference to a Linux network interface that connects + * to the root switch chip of the tree. + */ + struct device *netdev; + struct net_device *of_netdev; + + /* + * Info structs describing each of the switch chips + * connected via this network interface. + */ + int nr_chips; + struct dsa_chip_data *chip; +}; + + +#endif /* __DSA_PDATA_H */ diff --git a/include/linux/platform_data/mv88e6xxx.h b/include/linux/platform_data/mv88e6xxx.h index f63af2955ea0..963730b44aea 100644 --- a/include/linux/platform_data/mv88e6xxx.h +++ b/include/linux/platform_data/mv88e6xxx.h @@ -2,7 +2,7 @@ #ifndef __DSA_MV88E6XXX_H #define __DSA_MV88E6XXX_H -#include <net/dsa.h> +#include <linux/platform_data/dsa.h> struct dsa_mv88e6xxx_pdata { /* Must be first, such that dsa_register_switch() can access this diff --git a/include/linux/platform_data/spi-ath79.h b/include/linux/platform_data/spi-ath79.h new file mode 100644 index 000000000000..aa71216edf99 --- /dev/null +++ b/include/linux/platform_data/spi-ath79.h @@ -0,0 +1,19 @@ +/* + * Platform data definition for Atheros AR71XX/AR724X/AR913X SPI controller + * + * Copyright (C) 2008-2010 Gabor Juhos <juhosg@openwrt.org> + * + * 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 _ATH79_SPI_PLATFORM_H +#define _ATH79_SPI_PLATFORM_H + +struct ath79_spi_platform_data { + unsigned bus_num; + unsigned num_chipselect; +}; + +#endif /* _ATH79_SPI_PLATFORM_H */ diff --git a/include/linux/platform_data/usb-davinci.h b/include/linux/platform_data/usb-davinci.h index 0926e99f2e8f..879f5c78b91a 100644 --- a/include/linux/platform_data/usb-davinci.h +++ b/include/linux/platform_data/usb-davinci.h @@ -11,22 +11,8 @@ #ifndef __ASM_ARCH_USB_H #define __ASM_ARCH_USB_H -struct da8xx_ohci_root_hub; - -typedef void (*da8xx_ocic_handler_t)(struct da8xx_ohci_root_hub *hub, - unsigned port); - /* Passed as the platform data to the OHCI driver */ struct da8xx_ohci_root_hub { - /* Switch the port power on/off */ - int (*set_power)(unsigned port, int on); - /* Read the port power status */ - int (*get_power)(unsigned port); - /* Read the port over-current indicator */ - int (*get_oci)(unsigned port); - /* Over-current indicator change notification (pass NULL to disable) */ - int (*ocic_notify)(da8xx_ocic_handler_t handler); - /* Time from power on to power good (in 2 ms units) */ u8 potpgt; }; diff --git a/include/linux/pm_runtime.h b/include/linux/pm_runtime.h index 54af4eef169f..fed5be706bc9 100644 --- a/include/linux/pm_runtime.h +++ b/include/linux/pm_runtime.h @@ -105,7 +105,7 @@ static inline bool pm_runtime_callbacks_present(struct device *dev) static inline void pm_runtime_mark_last_busy(struct device *dev) { - WRITE_ONCE(dev->power.last_busy, ktime_to_ns(ktime_get())); + WRITE_ONCE(dev->power.last_busy, ktime_get_mono_fast_ns()); } static inline bool pm_runtime_is_irq_safe(struct device *dev) diff --git a/include/linux/posix-clock.h b/include/linux/posix-clock.h index 3a3bc71017d5..18674d7d5b1c 100644 --- a/include/linux/posix-clock.h +++ b/include/linux/posix-clock.h @@ -51,7 +51,7 @@ struct posix_clock; struct posix_clock_operations { struct module *owner; - int (*clock_adjtime)(struct posix_clock *pc, struct timex *tx); + int (*clock_adjtime)(struct posix_clock *pc, struct __kernel_timex *tx); int (*clock_gettime)(struct posix_clock *pc, struct timespec64 *ts); diff --git a/include/linux/posix-timers.h b/include/linux/posix-timers.h index e96581ca7c9d..b20798fc5191 100644 --- a/include/linux/posix-timers.h +++ b/include/linux/posix-timers.h @@ -12,7 +12,7 @@ struct siginfo; struct cpu_timer_list { struct list_head entry; - u64 expires, incr; + u64 expires; struct task_struct *task; int firing; }; diff --git a/include/linux/ptr_ring.h b/include/linux/ptr_ring.h index 186cd8e970c7..8da46ac44a2e 100644 --- a/include/linux/ptr_ring.h +++ b/include/linux/ptr_ring.h @@ -26,7 +26,6 @@ #include <linux/cache.h> #include <linux/types.h> #include <linux/compiler.h> -#include <linux/cache.h> #include <linux/slab.h> #include <asm/errno.h> #endif diff --git a/include/linux/qed/qed_if.h b/include/linux/qed/qed_if.h index 91c536a01b56..f6165d304b4d 100644 --- a/include/linux/qed/qed_if.h +++ b/include/linux/qed/qed_if.h @@ -38,7 +38,6 @@ #include <linux/netdevice.h> #include <linux/pci.h> #include <linux/skbuff.h> -#include <linux/types.h> #include <asm/byteorder.h> #include <linux/io.h> #include <linux/compiler.h> @@ -644,6 +643,7 @@ struct qed_dev_info { u16 mtu; bool wol_support; + bool smart_an; /* MBI version */ u32 mbi_version; @@ -764,6 +764,7 @@ struct qed_probe_params { u32 dp_module; u8 dp_level; bool is_vf; + bool recov_in_prog; }; #define QED_DRV_VER_STR_SIZE 12 @@ -810,6 +811,7 @@ struct qed_common_cb_ops { void (*arfs_filter_op)(void *dev, void *fltr, u8 fw_rc); void (*link_update)(void *dev, struct qed_link_output *link); + void (*schedule_recovery_handler)(void *dev); void (*dcbx_aen)(void *dev, struct qed_dcbx_get *get, u32 mib_type); void (*get_generic_tlv_data)(void *dev, struct qed_generic_tlvs *data); void (*get_protocol_tlv_data)(void *dev, void *data); @@ -1058,6 +1060,24 @@ struct qed_common_ops { void __iomem *db_addr, void *db_data); /** + * @brief recovery_process - Trigger a recovery process + * + * @param cdev + * + * @return 0 on success, error otherwise. + */ + int (*recovery_process)(struct qed_dev *cdev); + +/** + * @brief recovery_prolog - Execute the prolog operations of a recovery process + * + * @param cdev + * + * @return 0 on success, error otherwise. + */ + int (*recovery_prolog)(struct qed_dev *cdev); + +/** * @brief update_drv_state - API to inform the change in the driver state. * * @param cdev diff --git a/include/linux/qed/qede_rdma.h b/include/linux/qed/qede_rdma.h index 9904617a9730..5a00c7a473bf 100644 --- a/include/linux/qed/qede_rdma.h +++ b/include/linux/qed/qede_rdma.h @@ -74,21 +74,23 @@ void qede_rdma_unregister_driver(struct qedr_driver *drv); bool qede_rdma_supported(struct qede_dev *dev); #if IS_ENABLED(CONFIG_QED_RDMA) -int qede_rdma_dev_add(struct qede_dev *dev); +int qede_rdma_dev_add(struct qede_dev *dev, bool recovery); void qede_rdma_dev_event_open(struct qede_dev *dev); void qede_rdma_dev_event_close(struct qede_dev *dev); -void qede_rdma_dev_remove(struct qede_dev *dev); +void qede_rdma_dev_remove(struct qede_dev *dev, bool recovery); void qede_rdma_event_changeaddr(struct qede_dev *edr); #else -static inline int qede_rdma_dev_add(struct qede_dev *dev) +static inline int qede_rdma_dev_add(struct qede_dev *dev, + bool recovery) { return 0; } static inline void qede_rdma_dev_event_open(struct qede_dev *dev) {} static inline void qede_rdma_dev_event_close(struct qede_dev *dev) {} -static inline void qede_rdma_dev_remove(struct qede_dev *dev) {} +static inline void qede_rdma_dev_remove(struct qede_dev *dev, + bool recovery) {} static inline void qede_rdma_event_changeaddr(struct qede_dev *edr) {} #endif #endif diff --git a/include/linux/rcu_node_tree.h b/include/linux/rcu_node_tree.h index 426cee67f0e2..b8e094b125ee 100644 --- a/include/linux/rcu_node_tree.h +++ b/include/linux/rcu_node_tree.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ /* * RCU node combining tree definitions. These are used to compute * global attributes while avoiding common-case global contention. A key @@ -11,23 +12,9 @@ * because the size of the TREE SRCU srcu_struct structure depends * on these definitions. * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, you can access it online at - * http://www.gnu.org/licenses/gpl-2.0.html. - * * Copyright IBM Corporation, 2017 * - * Author: Paul E. McKenney <paulmck@linux.vnet.ibm.com> + * Author: Paul E. McKenney <paulmck@linux.ibm.com> */ #ifndef __LINUX_RCU_NODE_TREE_H diff --git a/include/linux/rcu_segcblist.h b/include/linux/rcu_segcblist.h index c3ad00e63556..87404cb015f1 100644 --- a/include/linux/rcu_segcblist.h +++ b/include/linux/rcu_segcblist.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ /* * RCU segmented callback lists * @@ -5,23 +6,9 @@ * because the size of the TREE SRCU srcu_struct structure depends * on these definitions. * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, you can access it online at - * http://www.gnu.org/licenses/gpl-2.0.html. - * * Copyright IBM Corporation, 2017 * - * Authors: Paul E. McKenney <paulmck@linux.vnet.ibm.com> + * Authors: Paul E. McKenney <paulmck@linux.net.ibm.com> */ #ifndef __INCLUDE_LINUX_RCU_SEGCBLIST_H diff --git a/include/linux/rcu_sync.h b/include/linux/rcu_sync.h index ece7ed9a4a70..6fc53a1345b3 100644 --- a/include/linux/rcu_sync.h +++ b/include/linux/rcu_sync.h @@ -1,20 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ /* * RCU-based infrastructure for lightweight reader-writer locking * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, you can access it online at - * http://www.gnu.org/licenses/gpl-2.0.html. - * * Copyright (c) 2015, Red Hat, Inc. * * Author: Oleg Nesterov <oleg@redhat.com> diff --git a/include/linux/rcupdate.h b/include/linux/rcupdate.h index 4db8bcacc51a..6cdb1db776cf 100644 --- a/include/linux/rcupdate.h +++ b/include/linux/rcupdate.h @@ -1,25 +1,12 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ /* * Read-Copy Update mechanism for mutual exclusion * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, you can access it online at - * http://www.gnu.org/licenses/gpl-2.0.html. - * * Copyright IBM Corporation, 2001 * * Author: Dipankar Sarma <dipankar@in.ibm.com> * - * Based on the original work by Paul McKenney <paulmck@us.ibm.com> + * Based on the original work by Paul McKenney <paulmck@vnet.ibm.com> * and inputs from Rusty Russell, Andrea Arcangeli and Andi Kleen. * Papers: * http://www.rdrop.com/users/paulmck/paper/rclockpdcsproof.pdf @@ -89,7 +76,7 @@ static inline int rcu_preempt_depth(void) /* Internal to kernel */ void rcu_init(void); extern int rcu_scheduler_active __read_mostly; -void rcu_check_callbacks(int user); +void rcu_sched_clock_irq(int user); void rcu_report_dead(unsigned int cpu); void rcutree_migrate_callbacks(int cpu); @@ -309,16 +296,16 @@ static inline void rcu_preempt_sleep_check(void) { } */ #ifdef __CHECKER__ -#define rcu_dereference_sparse(p, space) \ +#define rcu_check_sparse(p, space) \ ((void)(((typeof(*p) space *)p) == p)) #else /* #ifdef __CHECKER__ */ -#define rcu_dereference_sparse(p, space) +#define rcu_check_sparse(p, space) #endif /* #else #ifdef __CHECKER__ */ #define __rcu_access_pointer(p, space) \ ({ \ typeof(*p) *_________p1 = (typeof(*p) *__force)READ_ONCE(p); \ - rcu_dereference_sparse(p, space); \ + rcu_check_sparse(p, space); \ ((typeof(*p) __force __kernel *)(_________p1)); \ }) #define __rcu_dereference_check(p, c, space) \ @@ -326,13 +313,13 @@ static inline void rcu_preempt_sleep_check(void) { } /* Dependency order vs. p above. */ \ typeof(*p) *________p1 = (typeof(*p) *__force)READ_ONCE(p); \ RCU_LOCKDEP_WARN(!(c), "suspicious rcu_dereference_check() usage"); \ - rcu_dereference_sparse(p, space); \ + rcu_check_sparse(p, space); \ ((typeof(*p) __force __kernel *)(________p1)); \ }) #define __rcu_dereference_protected(p, c, space) \ ({ \ RCU_LOCKDEP_WARN(!(c), "suspicious rcu_dereference_protected() usage"); \ - rcu_dereference_sparse(p, space); \ + rcu_check_sparse(p, space); \ ((typeof(*p) __force __kernel *)(p)); \ }) #define rcu_dereference_raw(p) \ @@ -382,6 +369,7 @@ static inline void rcu_preempt_sleep_check(void) { } #define rcu_assign_pointer(p, v) \ ({ \ uintptr_t _r_a_p__v = (uintptr_t)(v); \ + rcu_check_sparse(p, __rcu); \ \ if (__builtin_constant_p(v) && (_r_a_p__v) == (uintptr_t)NULL) \ WRITE_ONCE((p), (typeof(p))(_r_a_p__v)); \ @@ -785,7 +773,7 @@ static inline notrace void rcu_read_unlock_sched_notrace(void) */ #define RCU_INIT_POINTER(p, v) \ do { \ - rcu_dereference_sparse(p, __rcu); \ + rcu_check_sparse(p, __rcu); \ WRITE_ONCE(p, RCU_INITIALIZER(v)); \ } while (0) @@ -859,7 +847,7 @@ static inline notrace void rcu_read_unlock_sched_notrace(void) /* Has the specified rcu_head structure been handed to call_rcu()? */ -/* +/** * rcu_head_init - Initialize rcu_head for rcu_head_after_call_rcu() * @rhp: The rcu_head structure to initialize. * @@ -874,10 +862,10 @@ static inline void rcu_head_init(struct rcu_head *rhp) rhp->func = (rcu_callback_t)~0L; } -/* +/** * rcu_head_after_call_rcu - Has this rcu_head been passed to call_rcu()? * @rhp: The rcu_head structure to test. - * @func: The function passed to call_rcu() along with @rhp. + * @f: The function passed to call_rcu() along with @rhp. * * Returns @true if the @rhp has been passed to call_rcu() with @func, * and @false otherwise. Emits a warning in any other case, including @@ -896,57 +884,4 @@ rcu_head_after_call_rcu(struct rcu_head *rhp, rcu_callback_t f) return false; } - -/* Transitional pre-consolidation compatibility definitions. */ - -static inline void synchronize_rcu_bh(void) -{ - synchronize_rcu(); -} - -static inline void synchronize_rcu_bh_expedited(void) -{ - synchronize_rcu_expedited(); -} - -static inline void call_rcu_bh(struct rcu_head *head, rcu_callback_t func) -{ - call_rcu(head, func); -} - -static inline void rcu_barrier_bh(void) -{ - rcu_barrier(); -} - -static inline void synchronize_sched(void) -{ - synchronize_rcu(); -} - -static inline void synchronize_sched_expedited(void) -{ - synchronize_rcu_expedited(); -} - -static inline void call_rcu_sched(struct rcu_head *head, rcu_callback_t func) -{ - call_rcu(head, func); -} - -static inline void rcu_barrier_sched(void) -{ - rcu_barrier(); -} - -static inline unsigned long get_state_synchronize_sched(void) -{ - return get_state_synchronize_rcu(); -} - -static inline void cond_synchronize_sched(unsigned long oldstate) -{ - cond_synchronize_rcu(oldstate); -} - #endif /* __LINUX_RCUPDATE_H */ diff --git a/include/linux/rcutiny.h b/include/linux/rcutiny.h index af65d1f36ddb..8e727f57d814 100644 --- a/include/linux/rcutiny.h +++ b/include/linux/rcutiny.h @@ -1,23 +1,10 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ /* * Read-Copy Update mechanism for mutual exclusion, the Bloatwatch edition. * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, you can access it online at - * http://www.gnu.org/licenses/gpl-2.0.html. - * * Copyright IBM Corporation, 2008 * - * Author: Paul E. McKenney <paulmck@linux.vnet.ibm.com> + * Author: Paul E. McKenney <paulmck@linux.ibm.com> * * For detailed explanation of Read-Copy Update mechanism see - * Documentation/RCU diff --git a/include/linux/rcutree.h b/include/linux/rcutree.h index 7f83179177d1..735601ac27d3 100644 --- a/include/linux/rcutree.h +++ b/include/linux/rcutree.h @@ -1,26 +1,13 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ /* * Read-Copy Update mechanism for mutual exclusion (tree-based version) * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, you can access it online at - * http://www.gnu.org/licenses/gpl-2.0.html. - * * Copyright IBM Corporation, 2008 * * Author: Dipankar Sarma <dipankar@in.ibm.com> - * Paul E. McKenney <paulmck@linux.vnet.ibm.com> Hierarchical algorithm + * Paul E. McKenney <paulmck@linux.ibm.com> Hierarchical algorithm * - * Based on the original work by Paul McKenney <paulmck@us.ibm.com> + * Based on the original work by Paul McKenney <paulmck@linux.ibm.com> * and inputs from Rusty Russell, Andrea Arcangeli and Andi Kleen. * * For detailed explanation of Read-Copy Update mechanism see - diff --git a/include/linux/regmap.h b/include/linux/regmap.h index 1781b6cb793c..daeec7dbd65c 100644 --- a/include/linux/regmap.h +++ b/include/linux/regmap.h @@ -1131,11 +1131,37 @@ struct regmap_irq { .reg_offset = (_id) / (_reg_bits), \ } +#define REGMAP_IRQ_MAIN_REG_OFFSET(arr) \ + { .num_regs = ARRAY_SIZE((arr)), .offset = &(arr)[0] } + +struct regmap_irq_sub_irq_map { + unsigned int num_regs; + unsigned int *offset; +}; + /** * struct regmap_irq_chip - Description of a generic regmap irq_chip. * * @name: Descriptive name for IRQ controller. * + * @main_status: Base main status register address. For chips which have + * interrupts arranged in separate sub-irq blocks with own IRQ + * registers and which have a main IRQ registers indicating + * sub-irq blocks with unhandled interrupts. For such chips fill + * sub-irq register information in status_base, mask_base and + * ack_base. + * @num_main_status_bits: Should be given to chips where number of meaningfull + * main status bits differs from num_regs. + * @sub_reg_offsets: arrays of mappings from main register bits to sub irq + * registers. First item in array describes the registers + * for first main status bit. Second array for second bit etc. + * Offset is given as sub register status offset to + * status_base. Should contain num_regs arrays. + * Can be provided for chips with more complex mapping than + * 1.st bit to 1.st sub-reg, 2.nd bit to 2.nd sub-reg, ... + * @num_main_regs: Number of 'main status' irq registers for chips which have + * main_status set. + * * @status_base: Base status register address. * @mask_base: Base mask register address. * @mask_writeonly: Base mask register is write only. @@ -1181,6 +1207,11 @@ struct regmap_irq { struct regmap_irq_chip { const char *name; + unsigned int main_status; + unsigned int num_main_status_bits; + struct regmap_irq_sub_irq_map *sub_reg_offsets; + int num_main_regs; + unsigned int status_base; unsigned int mask_base; unsigned int unmask_base; diff --git a/include/linux/regulator/driver.h b/include/linux/regulator/driver.h index 389bcaf7900f..377da2357118 100644 --- a/include/linux/regulator/driver.h +++ b/include/linux/regulator/driver.h @@ -264,6 +264,7 @@ enum regulator_type { * @continuous_voltage_range: Indicates if the regulator can set any * voltage within constrains range. * @n_voltages: Number of selectors available for ops.list_voltage(). + * @n_current_limits: Number of selectors available for current limits * * @min_uV: Voltage given by the lowest selector (if linear mapping) * @uV_step: Voltage increase with each selector (if linear mapping) @@ -278,14 +279,15 @@ enum regulator_type { * @n_linear_ranges: Number of entries in the @linear_ranges (and in * linear_range_selectors if used) table(s). * @volt_table: Voltage mapping table (if table based mapping) + * @curr_table: Current limit mapping table (if table based mapping) * * @vsel_range_reg: Register for range selector when using pickable ranges * and regulator_regmap_X_voltage_X_pickable functions. * @vsel_range_mask: Mask for register bitfield used for range selector * @vsel_reg: Register for selector when using regulator_regmap_X_voltage_ * @vsel_mask: Mask for register bitfield used for selector - * @csel_reg: Register for TPS65218 LS3 current regulator - * @csel_mask: Mask for TPS65218 LS3 current regulator + * @csel_reg: Register for current limit selector using regmap set_current_limit + * @csel_mask: Mask for register bitfield used for current limit selector * @apply_reg: Register for initiate voltage change on the output when * using regulator_set_voltage_sel_regmap * @apply_bit: Register bitfield used for initiate voltage change on the @@ -333,6 +335,7 @@ struct regulator_desc { int id; unsigned int continuous_voltage_range:1; unsigned n_voltages; + unsigned int n_current_limits; const struct regulator_ops *ops; int irq; enum regulator_type type; @@ -351,6 +354,7 @@ struct regulator_desc { int n_linear_ranges; const unsigned int *volt_table; + const unsigned int *curr_table; unsigned int vsel_range_reg; unsigned int vsel_range_mask; @@ -401,13 +405,7 @@ struct regulator_desc { * NULL). * @regmap: regmap to use for core regmap helpers if dev_get_regmap() is * insufficient. - * @ena_gpio_initialized: GPIO controlling regulator enable was properly - * initialized, meaning that >= 0 is a valid gpio - * identifier and < 0 is a non existent gpio. - * @ena_gpio: GPIO controlling regulator enable. - * @ena_gpiod: GPIO descriptor controlling regulator enable. - * @ena_gpio_invert: Sense for GPIO enable control. - * @ena_gpio_flags: Flags to use when calling gpio_request_one() + * @ena_gpiod: GPIO controlling regulator enable. */ struct regulator_config { struct device *dev; @@ -416,11 +414,7 @@ struct regulator_config { struct device_node *of_node; struct regmap *regmap; - bool ena_gpio_initialized; - int ena_gpio; struct gpio_desc *ena_gpiod; - unsigned int ena_gpio_invert:1; - unsigned int ena_gpio_flags; }; /* @@ -503,6 +497,7 @@ int regulator_notifier_call_chain(struct regulator_dev *rdev, void *rdev_get_drvdata(struct regulator_dev *rdev); struct device *rdev_get_dev(struct regulator_dev *rdev); +struct regmap *rdev_get_regmap(struct regulator_dev *rdev); int rdev_get_id(struct regulator_dev *rdev); int regulator_mode_to_status(unsigned int); @@ -543,9 +538,18 @@ int regulator_set_pull_down_regmap(struct regulator_dev *rdev); int regulator_set_active_discharge_regmap(struct regulator_dev *rdev, bool enable); +int regulator_set_current_limit_regmap(struct regulator_dev *rdev, + int min_uA, int max_uA); +int regulator_get_current_limit_regmap(struct regulator_dev *rdev); void *regulator_get_init_drvdata(struct regulator_init_data *reg_init_data); void regulator_lock(struct regulator_dev *rdev); void regulator_unlock(struct regulator_dev *rdev); +/* + * Helper functions intended to be used by regulator drivers prior registering + * their regulators. + */ +int regulator_desc_list_voltage_linear_range(const struct regulator_desc *desc, + unsigned int selector); #endif diff --git a/include/linux/regulator/fixed.h b/include/linux/regulator/fixed.h index 1a4340ed8e2b..f10140da7145 100644 --- a/include/linux/regulator/fixed.h +++ b/include/linux/regulator/fixed.h @@ -25,14 +25,6 @@ struct regulator_init_data; * @input_supply: Name of the input regulator supply * @microvolts: Output voltage of regulator * @startup_delay: Start-up time in microseconds - * @gpio_is_open_drain: Gpio pin is open drain or normal type. - * If it is open drain type then HIGH will be set - * through PULL-UP with setting gpio as input - * and low will be set as gpio-output with driven - * to low. For non-open-drain case, the gpio will - * will be in output and drive to low/high accordingly. - * @enable_high: Polarity of enable GPIO - * 1 = Active high, 0 = Active low * @enabled_at_boot: Whether regulator has been enabled at * boot or not. 1 = Yes, 0 = No * This is used to keep the regulator at @@ -48,8 +40,6 @@ struct fixed_voltage_config { const char *input_supply; int microvolts; unsigned startup_delay; - unsigned gpio_is_open_drain:1; - unsigned enable_high:1; unsigned enabled_at_boot:1; struct regulator_init_data *init_data; }; diff --git a/include/linux/regulator/gpio-regulator.h b/include/linux/regulator/gpio-regulator.h index 19fbd267406d..11cd6375215d 100644 --- a/include/linux/regulator/gpio-regulator.h +++ b/include/linux/regulator/gpio-regulator.h @@ -21,6 +21,8 @@ #ifndef __REGULATOR_GPIO_H #define __REGULATOR_GPIO_H +#include <linux/gpio/consumer.h> + struct regulator_init_data; enum regulator_type; @@ -44,18 +46,14 @@ struct gpio_regulator_state { /** * struct gpio_regulator_config - config structure * @supply_name: Name of the regulator supply - * @enable_gpio: GPIO to use for enable control - * set to -EINVAL if not used - * @enable_high: Polarity of enable GPIO - * 1 = Active high, 0 = Active low * @enabled_at_boot: Whether regulator has been enabled at * boot or not. 1 = Yes, 0 = No * This is used to keep the regulator at * the default state * @startup_delay: Start-up time in microseconds - * @gpios: Array containing the gpios needed to control - * the setting of the regulator - * @nr_gpios: Number of gpios + * @gflags: Array of GPIO configuration flags for initial + * states + * @ngpios: Number of GPIOs and configurations available * @states: Array of gpio_regulator_state entries describing * the gpio state for specific voltages * @nr_states: Number of states available @@ -69,13 +67,11 @@ struct gpio_regulator_state { struct gpio_regulator_config { const char *supply_name; - int enable_gpio; - unsigned enable_high:1; unsigned enabled_at_boot:1; unsigned startup_delay; - struct gpio *gpios; - int nr_gpios; + enum gpiod_flags *gflags; + int ngpios; struct gpio_regulator_state *states; int nr_states; diff --git a/include/linux/rhashtable.h b/include/linux/rhashtable.h index 20f9c6af7473..ae9c0f71f311 100644 --- a/include/linux/rhashtable.h +++ b/include/linux/rhashtable.h @@ -1113,14 +1113,6 @@ static inline int rhashtable_replace_fast( return err; } -/* Obsolete function, do not use in new code. */ -static inline int rhashtable_walk_init(struct rhashtable *ht, - struct rhashtable_iter *iter, gfp_t gfp) -{ - rhashtable_walk_enter(ht, iter); - return 0; -} - /** * rhltable_walk_enter - Initialise an iterator * @hlt: Table to walk over diff --git a/include/linux/sched.h b/include/linux/sched.h index d2f90fa92468..903ef29b62c3 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -21,6 +21,7 @@ #include <linux/seccomp.h> #include <linux/nodemask.h> #include <linux/rcupdate.h> +#include <linux/refcount.h> #include <linux/resource.h> #include <linux/latencytop.h> #include <linux/sched/prio.h> @@ -356,12 +357,6 @@ struct util_est { * For cfs_rq, it is the aggregated load_avg of all runnable and * blocked sched_entities. * - * load_avg may also take frequency scaling into account: - * - * load_avg = runnable% * scale_load_down(load) * freq% - * - * where freq% is the CPU frequency normalized to the highest frequency. - * * [util_avg definition] * * util_avg = running% * SCHED_CAPACITY_SCALE @@ -370,17 +365,14 @@ struct util_est { * a CPU. For cfs_rq, it is the aggregated util_avg of all runnable * and blocked sched_entities. * - * util_avg may also factor frequency scaling and CPU capacity scaling: - * - * util_avg = running% * SCHED_CAPACITY_SCALE * freq% * capacity% - * - * where freq% is the same as above, and capacity% is the CPU capacity - * normalized to the greatest capacity (due to uarch differences, etc). + * load_avg and util_avg don't direcly factor frequency scaling and CPU + * capacity scaling. The scaling is done through the rq_clock_pelt that + * is used for computing those signals (see update_rq_clock_pelt()) * - * N.B., the above ratios (runnable%, running%, freq%, and capacity%) - * themselves are in the range of [0, 1]. To do fixed point arithmetics, - * we therefore scale them to as large a range as necessary. This is for - * example reflected by util_avg's SCHED_CAPACITY_SCALE. + * N.B., the above ratios (runnable% and running%) themselves are in the + * range of [0, 1]. To do fixed point arithmetics, we therefore scale them + * to as large a range as necessary. This is for example reflected by + * util_avg's SCHED_CAPACITY_SCALE. * * [Overflow issue] * @@ -607,7 +599,7 @@ struct task_struct { randomized_struct_fields_start void *stack; - atomic_t usage; + refcount_t usage; /* Per task flags (PF_*), defined further below: */ unsigned int flags; unsigned int ptrace; @@ -739,12 +731,6 @@ struct task_struct { unsigned use_memdelay:1; #endif - /* - * May usercopy functions fault on kernel addresses? - * This is not just a single bit because this can potentially nest. - */ - unsigned int kernel_uaccess_faults_ok; - unsigned long atomic_flags; /* Flags requiring atomic access. */ struct restart_block restart_block; @@ -995,7 +981,7 @@ struct task_struct { /* cg_list protected by css_set_lock and tsk->alloc_lock: */ struct list_head cg_list; #endif -#ifdef CONFIG_X86_RESCTRL +#ifdef CONFIG_X86_CPU_RESCTRL u32 closid; u32 rmid; #endif @@ -1193,7 +1179,7 @@ struct task_struct { #endif #ifdef CONFIG_THREAD_INFO_IN_TASK /* A live task holds one reference: */ - atomic_t stack_refcount; + refcount_t stack_refcount; #endif #ifdef CONFIG_LIVEPATCH int patch_state; @@ -1409,7 +1395,6 @@ extern struct pid *cad_pid; #define PF_UMH 0x02000000 /* I'm an Usermodehelper process */ #define PF_NO_SETAFFINITY 0x04000000 /* Userland is not allowed to meddle with cpus_allowed */ #define PF_MCE_EARLY 0x08000000 /* Early kill for mce process policy */ -#define PF_MUTEX_TESTER 0x20000000 /* Thread belongs to the rt mutex tester */ #define PF_FREEZER_SKIP 0x40000000 /* Freezer should not count it as freezable */ #define PF_SUSPEND_TASK 0x80000000 /* This thread called freeze_processes() and should not be frozen */ @@ -1459,6 +1444,7 @@ static inline bool is_percpu_thread(void) #define PFA_SPEC_SSB_FORCE_DISABLE 4 /* Speculative Store Bypass force disabled*/ #define PFA_SPEC_IB_DISABLE 5 /* Indirect branch speculation restricted */ #define PFA_SPEC_IB_FORCE_DISABLE 6 /* Indirect branch speculation permanently restricted */ +#define PFA_SPEC_SSB_NOEXEC 7 /* Speculative Store Bypass clear on execve() */ #define TASK_PFA_TEST(name, func) \ static inline bool task_##func(struct task_struct *p) \ @@ -1487,6 +1473,10 @@ TASK_PFA_TEST(SPEC_SSB_DISABLE, spec_ssb_disable) TASK_PFA_SET(SPEC_SSB_DISABLE, spec_ssb_disable) TASK_PFA_CLEAR(SPEC_SSB_DISABLE, spec_ssb_disable) +TASK_PFA_TEST(SPEC_SSB_NOEXEC, spec_ssb_noexec) +TASK_PFA_SET(SPEC_SSB_NOEXEC, spec_ssb_noexec) +TASK_PFA_CLEAR(SPEC_SSB_NOEXEC, spec_ssb_noexec) + TASK_PFA_TEST(SPEC_SSB_FORCE_DISABLE, spec_ssb_force_disable) TASK_PFA_SET(SPEC_SSB_FORCE_DISABLE, spec_ssb_force_disable) @@ -1754,9 +1744,9 @@ static __always_inline bool need_resched(void) static inline unsigned int task_cpu(const struct task_struct *p) { #ifdef CONFIG_THREAD_INFO_IN_TASK - return p->cpu; + return READ_ONCE(p->cpu); #else - return task_thread_info(p)->cpu; + return READ_ONCE(task_thread_info(p)->cpu); #endif } diff --git a/include/linux/sched/coredump.h b/include/linux/sched/coredump.h index ec912d01126f..ecdc6542070f 100644 --- a/include/linux/sched/coredump.h +++ b/include/linux/sched/coredump.h @@ -71,6 +71,7 @@ static inline int get_dumpable(struct mm_struct *mm) #define MMF_HUGE_ZERO_PAGE 23 /* mm has ever used the global huge zero page */ #define MMF_DISABLE_THP 24 /* disable THP for all VMAs */ #define MMF_OOM_VICTIM 25 /* mm is the oom victim */ +#define MMF_OOM_REAP_QUEUED 26 /* mm was queued for oom_reaper */ #define MMF_DISABLE_THP_MASK (1 << MMF_DISABLE_THP) #define MMF_INIT_MASK (MMF_DUMPABLE_MASK | MMF_DUMP_FILTER_MASK |\ diff --git a/include/linux/sched/signal.h b/include/linux/sched/signal.h index 13789d10a50e..ae5655197698 100644 --- a/include/linux/sched/signal.h +++ b/include/linux/sched/signal.h @@ -8,13 +8,14 @@ #include <linux/sched/jobctl.h> #include <linux/sched/task.h> #include <linux/cred.h> +#include <linux/refcount.h> /* * Types defining task->signal and task->sighand and APIs using them: */ struct sighand_struct { - atomic_t count; + refcount_t count; struct k_sigaction action[_NSIG]; spinlock_t siglock; wait_queue_head_t signalfd_wqh; @@ -82,7 +83,7 @@ struct multiprocess_signals { * the locking of signal_struct. */ struct signal_struct { - atomic_t sigcnt; + refcount_t sigcnt; atomic_t live; int nr_threads; struct list_head thread_head; diff --git a/include/linux/sched/sysctl.h b/include/linux/sched/sysctl.h index a9c32daeb9d8..99ce6d728df7 100644 --- a/include/linux/sched/sysctl.h +++ b/include/linux/sched/sysctl.h @@ -83,4 +83,11 @@ extern int sysctl_schedstats(struct ctl_table *table, int write, void __user *buffer, size_t *lenp, loff_t *ppos); +#if defined(CONFIG_ENERGY_MODEL) && defined(CONFIG_CPU_FREQ_GOV_SCHEDUTIL) +extern unsigned int sysctl_sched_energy_aware; +extern int sched_energy_aware_handler(struct ctl_table *table, int write, + void __user *buffer, size_t *lenp, + loff_t *ppos); +#endif + #endif /* _LINUX_SCHED_SYSCTL_H */ diff --git a/include/linux/sched/task.h b/include/linux/sched/task.h index 44c6f15800ff..2e97a2227045 100644 --- a/include/linux/sched/task.h +++ b/include/linux/sched/task.h @@ -88,13 +88,13 @@ extern void sched_exec(void); #define sched_exec() {} #endif -#define get_task_struct(tsk) do { atomic_inc(&(tsk)->usage); } while(0) +#define get_task_struct(tsk) do { refcount_inc(&(tsk)->usage); } while(0) extern void __put_task_struct(struct task_struct *t); static inline void put_task_struct(struct task_struct *t) { - if (atomic_dec_and_test(&t->usage)) + if (refcount_dec_and_test(&t->usage)) __put_task_struct(t); } diff --git a/include/linux/sched/task_stack.h b/include/linux/sched/task_stack.h index 6a841929073f..2413427e439c 100644 --- a/include/linux/sched/task_stack.h +++ b/include/linux/sched/task_stack.h @@ -61,7 +61,7 @@ static inline unsigned long *end_of_stack(struct task_struct *p) #ifdef CONFIG_THREAD_INFO_IN_TASK static inline void *try_get_task_stack(struct task_struct *tsk) { - return atomic_inc_not_zero(&tsk->stack_refcount) ? + return refcount_inc_not_zero(&tsk->stack_refcount) ? task_stack_page(tsk) : NULL; } diff --git a/include/linux/sched/topology.h b/include/linux/sched/topology.h index c31d3a47a47c..57c7ed3fe465 100644 --- a/include/linux/sched/topology.h +++ b/include/linux/sched/topology.h @@ -176,10 +176,10 @@ typedef int (*sched_domain_flags_f)(void); #define SDTL_OVERLAP 0x01 struct sd_data { - struct sched_domain **__percpu sd; - struct sched_domain_shared **__percpu sds; - struct sched_group **__percpu sg; - struct sched_group_capacity **__percpu sgc; + struct sched_domain *__percpu *sd; + struct sched_domain_shared *__percpu *sds; + struct sched_group *__percpu *sg; + struct sched_group_capacity *__percpu *sgc; }; struct sched_domain_topology_level { diff --git a/include/linux/sched/wake_q.h b/include/linux/sched/wake_q.h index 545f37138057..ad826d2a4557 100644 --- a/include/linux/sched/wake_q.h +++ b/include/linux/sched/wake_q.h @@ -51,8 +51,8 @@ static inline void wake_q_init(struct wake_q_head *head) head->lastp = &head->first; } -extern void wake_q_add(struct wake_q_head *head, - struct task_struct *task); +extern void wake_q_add(struct wake_q_head *head, struct task_struct *task); +extern void wake_q_add_safe(struct wake_q_head *head, struct task_struct *task); extern void wake_up_q(struct wake_q_head *head); #endif /* _LINUX_SCHED_WAKE_Q_H */ diff --git a/include/linux/signal.h b/include/linux/signal.h index cc7e2c1cd444..9702016734b1 100644 --- a/include/linux/signal.h +++ b/include/linux/signal.h @@ -392,7 +392,7 @@ extern bool unhandled_signal(struct task_struct *tsk, int sig); #endif #define siginmask(sig, mask) \ - ((sig) < SIGRTMIN && (rt_sigmask(sig) & (mask))) + ((sig) > 0 && (sig) < SIGRTMIN && (rt_sigmask(sig) & (mask))) #define SIG_KERNEL_ONLY_MASK (\ rt_sigmask(SIGKILL) | rt_sigmask(SIGSTOP)) diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index 95d25b010a25..27beb549ffbe 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -1221,6 +1221,11 @@ static inline int skb_flow_dissector_bpf_prog_detach(const union bpf_attr *attr) } #endif +struct bpf_flow_keys; +bool __skb_flow_bpf_dissect(struct bpf_prog *prog, + const struct sk_buff *skb, + struct flow_dissector *flow_dissector, + struct bpf_flow_keys *flow_keys); bool __skb_flow_dissect(const struct sk_buff *skb, struct flow_dissector *flow_dissector, void *target_container, @@ -1884,12 +1889,12 @@ static inline void __skb_queue_before(struct sk_buff_head *list, * * A buffer cannot be placed on two lists at the same time. */ -void skb_queue_head(struct sk_buff_head *list, struct sk_buff *newsk); static inline void __skb_queue_head(struct sk_buff_head *list, struct sk_buff *newsk) { __skb_queue_after(list, (struct sk_buff *)list, newsk); } +void skb_queue_head(struct sk_buff_head *list, struct sk_buff *newsk); /** * __skb_queue_tail - queue a buffer at the list tail @@ -1901,12 +1906,12 @@ static inline void __skb_queue_head(struct sk_buff_head *list, * * A buffer cannot be placed on two lists at the same time. */ -void skb_queue_tail(struct sk_buff_head *list, struct sk_buff *newsk); static inline void __skb_queue_tail(struct sk_buff_head *list, struct sk_buff *newsk) { __skb_queue_before(list, (struct sk_buff *)list, newsk); } +void skb_queue_tail(struct sk_buff_head *list, struct sk_buff *newsk); /* * remove sk_buff from list. _Must_ be called atomically, and with @@ -1933,7 +1938,6 @@ static inline void __skb_unlink(struct sk_buff *skb, struct sk_buff_head *list) * so must be used with appropriate locks held only. The head item is * returned or %NULL if the list is empty. */ -struct sk_buff *skb_dequeue(struct sk_buff_head *list); static inline struct sk_buff *__skb_dequeue(struct sk_buff_head *list) { struct sk_buff *skb = skb_peek(list); @@ -1941,6 +1945,7 @@ static inline struct sk_buff *__skb_dequeue(struct sk_buff_head *list) __skb_unlink(skb, list); return skb; } +struct sk_buff *skb_dequeue(struct sk_buff_head *list); /** * __skb_dequeue_tail - remove from the tail of the queue @@ -1950,7 +1955,6 @@ static inline struct sk_buff *__skb_dequeue(struct sk_buff_head *list) * so must be used with appropriate locks held only. The tail item is * returned or %NULL if the list is empty. */ -struct sk_buff *skb_dequeue_tail(struct sk_buff_head *list); static inline struct sk_buff *__skb_dequeue_tail(struct sk_buff_head *list) { struct sk_buff *skb = skb_peek_tail(list); @@ -1958,6 +1962,7 @@ static inline struct sk_buff *__skb_dequeue_tail(struct sk_buff_head *list) __skb_unlink(skb, list); return skb; } +struct sk_buff *skb_dequeue_tail(struct sk_buff_head *list); static inline bool skb_is_nonlinear(const struct sk_buff *skb) @@ -2424,8 +2429,7 @@ static inline void skb_pop_mac_header(struct sk_buff *skb) skb->mac_header = skb->network_header; } -static inline void skb_probe_transport_header(struct sk_buff *skb, - const int offset_hint) +static inline void skb_probe_transport_header(struct sk_buff *skb) { struct flow_keys_basic keys; @@ -2434,8 +2438,6 @@ static inline void skb_probe_transport_header(struct sk_buff *skb, if (skb_flow_dissect_flow_keys_basic(skb, &keys, NULL, 0, 0, 0, 0)) skb_set_transport_header(skb, keys.control.thoff); - else - skb_set_transport_header(skb, offset_hint); } static inline void skb_mac_header_rebuild(struct sk_buff *skb) @@ -2648,13 +2650,13 @@ static inline int skb_orphan_frags_rx(struct sk_buff *skb, gfp_t gfp_mask) * the list and one reference dropped. This function does not take the * list lock and the caller must hold the relevant locks to use it. */ -void skb_queue_purge(struct sk_buff_head *list); static inline void __skb_queue_purge(struct sk_buff_head *list) { struct sk_buff *skb; while ((skb = __skb_dequeue(list)) != NULL) kfree_skb(skb); } +void skb_queue_purge(struct sk_buff_head *list); unsigned int skb_rbtree_purge(struct rb_root *root); @@ -3023,7 +3025,7 @@ static inline int skb_padto(struct sk_buff *skb, unsigned int len) } /** - * skb_put_padto - increase size and pad an skbuff up to a minimal size + * __skb_put_padto - increase size and pad an skbuff up to a minimal size * @skb: buffer to pad * @len: minimal length * @free_on_error: free buffer on error @@ -3481,16 +3483,25 @@ static inline ktime_t skb_get_ktime(const struct sk_buff *skb) /** * skb_get_timestamp - get timestamp from a skb * @skb: skb to get stamp from - * @stamp: pointer to struct timeval to store stamp in + * @stamp: pointer to struct __kernel_old_timeval to store stamp in * * Timestamps are stored in the skb as offsets to a base timestamp. * This function converts the offset back to a struct timeval and stores * it in stamp. */ static inline void skb_get_timestamp(const struct sk_buff *skb, - struct timeval *stamp) + struct __kernel_old_timeval *stamp) { - *stamp = ktime_to_timeval(skb->tstamp); + *stamp = ns_to_kernel_old_timeval(skb->tstamp); +} + +static inline void skb_get_new_timestamp(const struct sk_buff *skb, + struct __kernel_sock_timeval *stamp) +{ + struct timespec64 ts = ktime_to_timespec64(skb->tstamp); + + stamp->tv_sec = ts.tv_sec; + stamp->tv_usec = ts.tv_nsec / 1000; } static inline void skb_get_timestampns(const struct sk_buff *skb, @@ -3499,6 +3510,15 @@ static inline void skb_get_timestampns(const struct sk_buff *skb, *stamp = ktime_to_timespec(skb->tstamp); } +static inline void skb_get_new_timestampns(const struct sk_buff *skb, + struct __kernel_timespec *stamp) +{ + struct timespec64 ts = ktime_to_timespec64(skb->tstamp); + + stamp->tv_sec = ts.tv_sec; + stamp->tv_nsec = ts.tv_nsec; +} + static inline void __net_timestamp(struct sk_buff *skb) { skb->tstamp = ktime_get_real(); @@ -4212,6 +4232,12 @@ static inline bool skb_is_gso_sctp(const struct sk_buff *skb) return skb_shinfo(skb)->gso_type & SKB_GSO_SCTP; } +static inline bool skb_is_gso_tcp(const struct sk_buff *skb) +{ + return skb_is_gso(skb) && + skb_shinfo(skb)->gso_type & (SKB_GSO_TCPV4 | SKB_GSO_TCPV6); +} + static inline void skb_gso_reset(struct sk_buff *skb) { skb_shinfo(skb)->gso_size = 0; diff --git a/include/linux/socket.h b/include/linux/socket.h index ab2041a00e01..6016daeecee4 100644 --- a/include/linux/socket.h +++ b/include/linux/socket.h @@ -349,9 +349,17 @@ struct ucred { extern int move_addr_to_kernel(void __user *uaddr, int ulen, struct sockaddr_storage *kaddr); extern int put_cmsg(struct msghdr*, int level, int type, int len, void *data); +struct timespec64; struct __kernel_timespec; struct old_timespec32; +struct scm_timestamping_internal { + struct timespec64 ts[3]; +}; + +extern void put_cmsg_scm_timestamping64(struct msghdr *msg, struct scm_timestamping_internal *tss); +extern void put_cmsg_scm_timestamping(struct msghdr *msg, struct scm_timestamping_internal *tss); + /* The __sys_...msg variants allow MSG_CMSG_COMPAT iff * forbid_cmsg_compat==false */ diff --git a/include/linux/spi/pxa2xx_spi.h b/include/linux/spi/pxa2xx_spi.h index b0674e330ef6..c1c59473cef9 100644 --- a/include/linux/spi/pxa2xx_spi.h +++ b/include/linux/spi/pxa2xx_spi.h @@ -22,7 +22,7 @@ struct dma_chan; /* device.platform_data for SSP controller devices */ -struct pxa2xx_spi_master { +struct pxa2xx_spi_controller { u16 num_chipselect; u8 enable_dma; bool is_slave; @@ -54,7 +54,7 @@ struct pxa2xx_spi_chip { #include <linux/clk.h> -extern void pxa2xx_set_spi_info(unsigned id, struct pxa2xx_spi_master *info); +extern void pxa2xx_set_spi_info(unsigned id, struct pxa2xx_spi_controller *info); #endif #endif diff --git a/include/linux/spi/spi-mem.h b/include/linux/spi/spi-mem.h index 3fe24500c5ee..3703d0dcac2e 100644 --- a/include/linux/spi/spi-mem.h +++ b/include/linux/spi/spi-mem.h @@ -330,6 +330,11 @@ ssize_t spi_mem_dirmap_read(struct spi_mem_dirmap_desc *desc, u64 offs, size_t len, void *buf); ssize_t spi_mem_dirmap_write(struct spi_mem_dirmap_desc *desc, u64 offs, size_t len, const void *buf); +struct spi_mem_dirmap_desc * +devm_spi_mem_dirmap_create(struct device *dev, struct spi_mem *mem, + const struct spi_mem_dirmap_info *info); +void devm_spi_mem_dirmap_destroy(struct device *dev, + struct spi_mem_dirmap_desc *desc); int spi_mem_driver_register_with_owner(struct spi_mem_driver *drv, struct module *owner); diff --git a/include/linux/spi/spi.h b/include/linux/spi/spi.h index 314d922ca607..662b336aa2e4 100644 --- a/include/linux/spi/spi.h +++ b/include/linux/spi/spi.h @@ -12,6 +12,7 @@ #include <linux/kthread.h> #include <linux/completion.h> #include <linux/scatterlist.h> +#include <linux/gpio/consumer.h> struct dma_chan; struct property_entry; @@ -116,8 +117,13 @@ void spi_statistics_add_transfer_stats(struct spi_statistics *stats, * @modalias: Name of the driver to use with this device, or an alias * for that name. This appears in the sysfs "modalias" attribute * for driver coldplugging, and in uevents used for hotplugging - * @cs_gpio: gpio number of the chipselect line (optional, -ENOENT when + * @cs_gpio: LEGACY: gpio number of the chipselect line (optional, -ENOENT when + * not using a GPIO line) use cs_gpiod in new drivers by opting in on + * the spi_master. + * @cs_gpiod: gpio descriptor of the chipselect line (optional, NULL when * not using a GPIO line) + * @word_delay_usecs: microsecond delay to be inserted between consecutive + * words of a transfer * * @statistics: statistics for the spi_device * @@ -163,7 +169,9 @@ struct spi_device { void *controller_data; char modalias[SPI_NAME_SIZE]; const char *driver_override; - int cs_gpio; /* chip select gpio */ + int cs_gpio; /* LEGACY: chip select gpio */ + struct gpio_desc *cs_gpiod; /* chip select gpio desc */ + uint8_t word_delay_usecs; /* inter-word delay */ /* the statistics */ struct spi_statistics statistics; @@ -376,9 +384,17 @@ static inline void spi_unregister_driver(struct spi_driver *sdrv) * controller has native support for memory like operations. * @unprepare_message: undo any work done by prepare_message(). * @slave_abort: abort the ongoing transfer request on an SPI slave controller - * @cs_gpios: Array of GPIOs to use as chip select lines; one per CS - * number. Any individual value may be -ENOENT for CS lines that + * @cs_gpios: LEGACY: array of GPIO descs to use as chip select lines; one per + * CS number. Any individual value may be -ENOENT for CS lines that + * are not GPIOs (driven by the SPI controller itself). Use the cs_gpiods + * in new drivers. + * @cs_gpiods: Array of GPIO descs to use as chip select lines; one per CS + * number. Any individual value may be NULL for CS lines that * are not GPIOs (driven by the SPI controller itself). + * @use_gpio_descriptors: Turns on the code in the SPI core to parse and grab + * GPIO descriptors rather than using global GPIO numbers grabbed by the + * driver. This will fill in @cs_gpiods and @cs_gpios should not be used, + * and SPI devices will have the cs_gpiod assigned rather than cs_gpio. * @statistics: statistics for the spi_controller * @dma_tx: DMA transmit channel * @dma_rx: DMA receive channel @@ -557,6 +573,8 @@ struct spi_controller { /* gpio chip select */ int *cs_gpios; + struct gpio_desc **cs_gpiods; + bool use_gpio_descriptors; /* statistics */ struct spi_statistics statistics; @@ -706,6 +724,8 @@ extern void spi_res_release(struct spi_controller *ctlr, * @delay_usecs: microseconds to delay after this transfer before * (optionally) changing the chipselect status, then starting * the next transfer or completing this @spi_message. + * @word_delay_usecs: microseconds to inter word delay after each word size + * (set by bits_per_word) transmission. * @word_delay: clock cycles to inter word delay after each word size * (set by bits_per_word) transmission. * @transfer_list: transfers are sequenced through @spi_message.transfers @@ -788,6 +808,7 @@ struct spi_transfer { #define SPI_NBITS_DUAL 0x02 /* 2bits transfer */ #define SPI_NBITS_QUAD 0x04 /* 4bits transfer */ u8 bits_per_word; + u8 word_delay_usecs; u16 delay_usecs; u32 speed_hz; u16 word_delay; diff --git a/include/linux/srcu.h b/include/linux/srcu.h index c614375cd264..c495b2d51569 100644 --- a/include/linux/srcu.h +++ b/include/linux/srcu.h @@ -1,24 +1,11 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ /* * Sleepable Read-Copy Update mechanism for mutual exclusion * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, you can access it online at - * http://www.gnu.org/licenses/gpl-2.0.html. - * * Copyright (C) IBM Corporation, 2006 * Copyright (C) Fujitsu, 2012 * - * Author: Paul McKenney <paulmck@us.ibm.com> + * Author: Paul McKenney <paulmck@linux.ibm.com> * Lai Jiangshan <laijs@cn.fujitsu.com> * * For detailed explanation of Read-Copy Update mechanism see - @@ -223,6 +210,7 @@ srcu_read_lock_notrace(struct srcu_struct *ssp) __acquires(ssp) static inline void srcu_read_unlock(struct srcu_struct *ssp, int idx) __releases(ssp) { + WARN_ON_ONCE(idx & ~0x1); rcu_lock_release(&(ssp)->dep_map); __srcu_read_unlock(ssp, idx); } diff --git a/include/linux/srcutiny.h b/include/linux/srcutiny.h index b19216aaaef2..5a5a1941ca15 100644 --- a/include/linux/srcutiny.h +++ b/include/linux/srcutiny.h @@ -1,24 +1,11 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ /* * Sleepable Read-Copy Update mechanism for mutual exclusion, * tiny variant. * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, you can access it online at - * http://www.gnu.org/licenses/gpl-2.0.html. - * * Copyright (C) IBM Corporation, 2017 * - * Author: Paul McKenney <paulmck@us.ibm.com> + * Author: Paul McKenney <paulmck@linux.ibm.com> */ #ifndef _LINUX_SRCU_TINY_H diff --git a/include/linux/srcutree.h b/include/linux/srcutree.h index 6f292bd3e7db..7f7c8c050f63 100644 --- a/include/linux/srcutree.h +++ b/include/linux/srcutree.h @@ -1,24 +1,11 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ /* * Sleepable Read-Copy Update mechanism for mutual exclusion, * tree variant. * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, you can access it online at - * http://www.gnu.org/licenses/gpl-2.0.html. - * * Copyright (C) IBM Corporation, 2017 * - * Author: Paul McKenney <paulmck@us.ibm.com> + * Author: Paul McKenney <paulmck@linux.ibm.com> */ #ifndef _LINUX_SRCU_TREE_H @@ -45,7 +32,8 @@ struct srcu_data { unsigned long srcu_gp_seq_needed; /* Furthest future GP needed. */ unsigned long srcu_gp_seq_needed_exp; /* Furthest future exp GP. */ bool srcu_cblist_invoking; /* Invoking these CBs? */ - struct delayed_work work; /* Context for CB invoking. */ + struct timer_list delay_work; /* Delay for CB invoking */ + struct work_struct work; /* Context for CB invoking. */ struct rcu_head srcu_barrier_head; /* For srcu_barrier() use. */ struct srcu_node *mynode; /* Leaf srcu_node. */ unsigned long grpmask; /* Mask for leaf srcu_node */ diff --git a/include/linux/stmmac.h b/include/linux/stmmac.h index 7ddfc65586b0..4335bd771ce5 100644 --- a/include/linux/stmmac.h +++ b/include/linux/stmmac.h @@ -184,6 +184,7 @@ struct plat_stmmacenet_data { struct clk *pclk; struct clk *clk_ptp_ref; unsigned int clk_ptp_rate; + unsigned int clk_ref_rate; struct reset_control *stmmac_rst; struct stmmac_axi *axi; int has_gmac4; diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h index 257cccba3062..94369f5bd8e5 100644 --- a/include/linux/syscalls.h +++ b/include/linux/syscalls.h @@ -54,7 +54,7 @@ struct __sysctl_args; struct sysinfo; struct timespec; struct timeval; -struct timex; +struct __kernel_timex; struct timezone; struct tms; struct utimbuf; @@ -297,6 +297,11 @@ asmlinkage long sys_io_getevents(aio_context_t ctx_id, long nr, struct io_event __user *events, struct __kernel_timespec __user *timeout); +asmlinkage long sys_io_getevents_time32(__u32 ctx_id, + __s32 min_nr, + __s32 nr, + struct io_event __user *events, + struct old_timespec32 __user *timeout); asmlinkage long sys_io_pgetevents(aio_context_t ctx_id, long min_nr, long nr, @@ -522,11 +527,19 @@ asmlinkage long sys_timerfd_settime(int ufd, int flags, const struct __kernel_itimerspec __user *utmr, struct __kernel_itimerspec __user *otmr); asmlinkage long sys_timerfd_gettime(int ufd, struct __kernel_itimerspec __user *otmr); +asmlinkage long sys_timerfd_gettime32(int ufd, + struct old_itimerspec32 __user *otmr); +asmlinkage long sys_timerfd_settime32(int ufd, int flags, + const struct old_itimerspec32 __user *utmr, + struct old_itimerspec32 __user *otmr); /* fs/utimes.c */ asmlinkage long sys_utimensat(int dfd, const char __user *filename, struct __kernel_timespec __user *utimes, int flags); +asmlinkage long sys_utimensat_time32(unsigned int dfd, + const char __user *filename, + struct old_timespec32 __user *t, int flags); /* kernel/acct.c */ asmlinkage long sys_acct(const char __user *name); @@ -555,6 +568,9 @@ asmlinkage long sys_unshare(unsigned long unshare_flags); asmlinkage long sys_futex(u32 __user *uaddr, int op, u32 val, struct __kernel_timespec __user *utime, u32 __user *uaddr2, u32 val3); +asmlinkage long sys_futex_time32(u32 __user *uaddr, int op, u32 val, + struct old_timespec32 __user *utime, u32 __user *uaddr2, + u32 val3); asmlinkage long sys_get_robust_list(int pid, struct robust_list_head __user * __user *head_ptr, size_t __user *len_ptr); @@ -564,6 +580,8 @@ asmlinkage long sys_set_robust_list(struct robust_list_head __user *head, /* kernel/hrtimer.c */ asmlinkage long sys_nanosleep(struct __kernel_timespec __user *rqtp, struct __kernel_timespec __user *rmtp); +asmlinkage long sys_nanosleep_time32(struct old_timespec32 __user *rqtp, + struct old_timespec32 __user *rmtp); /* kernel/itimer.c */ asmlinkage long sys_getitimer(int which, struct itimerval __user *value); @@ -591,7 +609,7 @@ asmlinkage long sys_timer_gettime(timer_t timer_id, asmlinkage long sys_timer_getoverrun(timer_t timer_id); asmlinkage long sys_timer_settime(timer_t timer_id, int flags, const struct __kernel_itimerspec __user *new_setting, - struct itimerspec __user *old_setting); + struct __kernel_itimerspec __user *old_setting); asmlinkage long sys_timer_delete(timer_t timer_id); asmlinkage long sys_clock_settime(clockid_t which_clock, const struct __kernel_timespec __user *tp); @@ -602,6 +620,20 @@ asmlinkage long sys_clock_getres(clockid_t which_clock, asmlinkage long sys_clock_nanosleep(clockid_t which_clock, int flags, const struct __kernel_timespec __user *rqtp, struct __kernel_timespec __user *rmtp); +asmlinkage long sys_timer_gettime32(timer_t timer_id, + struct old_itimerspec32 __user *setting); +asmlinkage long sys_timer_settime32(timer_t timer_id, int flags, + struct old_itimerspec32 __user *new, + struct old_itimerspec32 __user *old); +asmlinkage long sys_clock_settime32(clockid_t which_clock, + struct old_timespec32 __user *tp); +asmlinkage long sys_clock_gettime32(clockid_t which_clock, + struct old_timespec32 __user *tp); +asmlinkage long sys_clock_getres_time32(clockid_t which_clock, + struct old_timespec32 __user *tp); +asmlinkage long sys_clock_nanosleep_time32(clockid_t which_clock, int flags, + struct old_timespec32 __user *rqtp, + struct old_timespec32 __user *rmtp); /* kernel/printk.c */ asmlinkage long sys_syslog(int type, char __user *buf, int len); @@ -627,6 +659,8 @@ asmlinkage long sys_sched_get_priority_max(int policy); asmlinkage long sys_sched_get_priority_min(int policy); asmlinkage long sys_sched_rr_get_interval(pid_t pid, struct __kernel_timespec __user *interval); +asmlinkage long sys_sched_rr_get_interval_time32(pid_t pid, + struct old_timespec32 __user *interval); /* kernel/signal.c */ asmlinkage long sys_restart_syscall(void); @@ -695,7 +729,8 @@ asmlinkage long sys_gettimeofday(struct timeval __user *tv, struct timezone __user *tz); asmlinkage long sys_settimeofday(struct timeval __user *tv, struct timezone __user *tz); -asmlinkage long sys_adjtimex(struct timex __user *txc_p); +asmlinkage long sys_adjtimex(struct __kernel_timex __user *txc_p); +asmlinkage long sys_adjtimex_time32(struct old_timex32 __user *txc_p); /* kernel/timer.c */ asmlinkage long sys_getpid(void); @@ -714,9 +749,18 @@ asmlinkage long sys_mq_timedsend(mqd_t mqdes, const char __user *msg_ptr, size_t asmlinkage long sys_mq_timedreceive(mqd_t mqdes, char __user *msg_ptr, size_t msg_len, unsigned int __user *msg_prio, const struct __kernel_timespec __user *abs_timeout); asmlinkage long sys_mq_notify(mqd_t mqdes, const struct sigevent __user *notification); asmlinkage long sys_mq_getsetattr(mqd_t mqdes, const struct mq_attr __user *mqstat, struct mq_attr __user *omqstat); +asmlinkage long sys_mq_timedreceive_time32(mqd_t mqdes, + char __user *u_msg_ptr, + unsigned int msg_len, unsigned int __user *u_msg_prio, + const struct old_timespec32 __user *u_abs_timeout); +asmlinkage long sys_mq_timedsend_time32(mqd_t mqdes, + const char __user *u_msg_ptr, + unsigned int msg_len, unsigned int msg_prio, + const struct old_timespec32 __user *u_abs_timeout); /* ipc/msg.c */ asmlinkage long sys_msgget(key_t key, int msgflg); +asmlinkage long sys_old_msgctl(int msqid, int cmd, struct msqid_ds __user *buf); asmlinkage long sys_msgctl(int msqid, int cmd, struct msqid_ds __user *buf); asmlinkage long sys_msgrcv(int msqid, struct msgbuf __user *msgp, size_t msgsz, long msgtyp, int msgflg); @@ -726,14 +770,19 @@ asmlinkage long sys_msgsnd(int msqid, struct msgbuf __user *msgp, /* ipc/sem.c */ asmlinkage long sys_semget(key_t key, int nsems, int semflg); asmlinkage long sys_semctl(int semid, int semnum, int cmd, unsigned long arg); +asmlinkage long sys_old_semctl(int semid, int semnum, int cmd, unsigned long arg); asmlinkage long sys_semtimedop(int semid, struct sembuf __user *sops, unsigned nsops, const struct __kernel_timespec __user *timeout); +asmlinkage long sys_semtimedop_time32(int semid, struct sembuf __user *sops, + unsigned nsops, + const struct old_timespec32 __user *timeout); asmlinkage long sys_semop(int semid, struct sembuf __user *sops, unsigned nsops); /* ipc/shm.c */ asmlinkage long sys_shmget(key_t key, size_t size, int flag); +asmlinkage long sys_old_shmctl(int shmid, int cmd, struct shmid_ds __user *buf); asmlinkage long sys_shmctl(int shmid, int cmd, struct shmid_ds __user *buf); asmlinkage long sys_shmat(int shmid, char __user *shmaddr, int shmflg); asmlinkage long sys_shmdt(char __user *shmaddr); @@ -867,7 +916,9 @@ asmlinkage long sys_open_by_handle_at(int mountdirfd, struct file_handle __user *handle, int flags); asmlinkage long sys_clock_adjtime(clockid_t which_clock, - struct timex __user *tx); + struct __kernel_timex __user *tx); +asmlinkage long sys_clock_adjtime32(clockid_t which_clock, + struct old_timex32 __user *tx); asmlinkage long sys_syncfs(int fd); asmlinkage long sys_setns(int fd, int nstype); asmlinkage long sys_sendmmsg(int fd, struct mmsghdr __user *msg, @@ -1003,6 +1054,7 @@ asmlinkage long sys_alarm(unsigned int seconds); asmlinkage long sys_getpgrp(void); asmlinkage long sys_pause(void); asmlinkage long sys_time(time_t __user *tloc); +asmlinkage long sys_time32(old_time32_t __user *tloc); #ifdef __ARCH_WANT_SYS_UTIME asmlinkage long sys_utime(char __user *filename, struct utimbuf __user *times); @@ -1011,6 +1063,13 @@ asmlinkage long sys_utimes(char __user *filename, asmlinkage long sys_futimesat(int dfd, const char __user *filename, struct timeval __user *utimes); #endif +asmlinkage long sys_futimesat_time32(unsigned int dfd, + const char __user *filename, + struct old_timeval32 __user *t); +asmlinkage long sys_utime32(const char __user *filename, + struct old_utimbuf32 __user *t); +asmlinkage long sys_utimes_time32(const char __user *filename, + struct old_timeval32 __user *t); asmlinkage long sys_creat(const char __user *pathname, umode_t mode); asmlinkage long sys_getdents(unsigned int fd, struct linux_dirent __user *dirent, @@ -1035,6 +1094,7 @@ asmlinkage long sys_fork(void); /* obsolete: kernel/time/time.c */ asmlinkage long sys_stime(time_t __user *tptr); +asmlinkage long sys_stime32(old_time32_t __user *tptr); /* obsolete: kernel/signal.c */ asmlinkage long sys_sigpending(old_sigset_t __user *uset); @@ -1185,6 +1245,10 @@ unsigned long ksys_mmap_pgoff(unsigned long addr, unsigned long len, unsigned long prot, unsigned long flags, unsigned long fd, unsigned long pgoff); ssize_t ksys_readahead(int fd, loff_t offset, size_t count); +int ksys_ipc(unsigned int call, int first, unsigned long second, + unsigned long third, void __user * ptr, long fifth); +int compat_ksys_ipc(u32 call, int first, int second, + u32 third, u32 ptr, u32 fifth); /* * The following kernel syscall equivalents are just wrappers to fs-internal diff --git a/include/linux/time32.h b/include/linux/time32.h index 118b9977080c..0a1f302a1753 100644 --- a/include/linux/time32.h +++ b/include/linux/time32.h @@ -10,6 +10,7 @@ */ #include <linux/time64.h> +#include <linux/timex.h> #define TIME_T_MAX (time_t)((1UL << ((sizeof(time_t) << 3) - 1)) - 1) @@ -35,13 +36,42 @@ struct old_utimbuf32 { old_time32_t modtime; }; +struct old_timex32 { + u32 modes; + s32 offset; + s32 freq; + s32 maxerror; + s32 esterror; + s32 status; + s32 constant; + s32 precision; + s32 tolerance; + struct old_timeval32 time; + s32 tick; + s32 ppsfreq; + s32 jitter; + s32 shift; + s32 stabil; + s32 jitcnt; + s32 calcnt; + s32 errcnt; + s32 stbcnt; + s32 tai; + + s32:32; s32:32; s32:32; s32:32; + s32:32; s32:32; s32:32; s32:32; + s32:32; s32:32; s32:32; +}; + extern int get_old_timespec32(struct timespec64 *, const void __user *); extern int put_old_timespec32(const struct timespec64 *, void __user *); extern int get_old_itimerspec32(struct itimerspec64 *its, const struct old_itimerspec32 __user *uits); extern int put_old_itimerspec32(const struct itimerspec64 *its, struct old_itimerspec32 __user *uits); - +struct __kernel_timex; +int get_old_timex32(struct __kernel_timex *, const struct old_timex32 __user *); +int put_old_timex32(struct old_timex32 __user *, const struct __kernel_timex *); #if __BITS_PER_LONG == 64 diff --git a/include/linux/time64.h b/include/linux/time64.h index 05634afba0db..f38d382ffec1 100644 --- a/include/linux/time64.h +++ b/include/linux/time64.h @@ -7,14 +7,6 @@ typedef __s64 time64_t; typedef __u64 timeu64_t; -/* CONFIG_64BIT_TIME enables new 64 bit time_t syscalls in the compat path - * and 32-bit emulation. - */ -#ifndef CONFIG_64BIT_TIME -#define __kernel_timespec timespec -#define __kernel_itimerspec itimerspec -#endif - #include <uapi/linux/time.h> struct timespec64 { diff --git a/include/linux/timex.h b/include/linux/timex.h index 39c25dbebfe8..ce0859763670 100644 --- a/include/linux/timex.h +++ b/include/linux/timex.h @@ -151,7 +151,9 @@ extern unsigned long tick_nsec; /* SHIFTED_HZ period (nsec) */ #define NTP_INTERVAL_FREQ (HZ) #define NTP_INTERVAL_LENGTH (NSEC_PER_SEC/NTP_INTERVAL_FREQ) -extern int do_adjtimex(struct timex *); +extern int do_adjtimex(struct __kernel_timex *); +extern int do_clock_adjtime(const clockid_t which_clock, struct __kernel_timex * ktx); + extern void hardpps(const struct timespec64 *, const struct timespec64 *); int read_current_timer(unsigned long *timer_val); diff --git a/include/linux/torture.h b/include/linux/torture.h index 48fad21109fc..23d80db426d7 100644 --- a/include/linux/torture.h +++ b/include/linux/torture.h @@ -1,23 +1,10 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ /* * Common functions for in-kernel torture tests. * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, you can access it online at - * http://www.gnu.org/licenses/gpl-2.0.html. - * * Copyright IBM Corporation, 2014 * - * Author: Paul E. McKenney <paulmck@linux.vnet.ibm.com> + * Author: Paul E. McKenney <paulmck@linux.ibm.com> */ #ifndef __LINUX_TORTURE_H @@ -50,11 +37,12 @@ do { if (verbose) pr_alert("%s" TORTURE_FLAG "!!! %s\n", torture_type, s); } while (0) /* Definitions for online/offline exerciser. */ +typedef void torture_ofl_func(void); 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); +int torture_onoff_init(long ooholdoff, long oointerval, torture_ofl_func *f); void torture_onoff_stats(void); bool torture_onoff_failures(void); diff --git a/include/linux/virtio_net.h b/include/linux/virtio_net.h index cb462f9ab7dd..0d1fe9297ac6 100644 --- a/include/linux/virtio_net.h +++ b/include/linux/virtio_net.h @@ -57,6 +57,25 @@ static inline int virtio_net_hdr_to_skb(struct sk_buff *skb, if (!skb_partial_csum_set(skb, start, off)) return -EINVAL; + } else { + /* gso packets without NEEDS_CSUM do not set transport_offset. + * probe and drop if does not match one of the above types. + */ + if (gso_type && skb->network_header) { + if (!skb->protocol) + virtio_net_hdr_set_proto(skb, hdr); +retry: + skb_probe_transport_header(skb); + if (!skb_transport_header_was_set(skb)) { + /* UFO does not specify ipv4 or 6: try both */ + if (gso_type & SKB_GSO_UDP && + skb->protocol == htons(ETH_P_IP)) { + skb->protocol = htons(ETH_P_IPV6); + goto retry; + } + return -EINVAL; + } + } } if (hdr->gso_type != VIRTIO_NET_HDR_GSO_NONE) { diff --git a/include/linux/wait.h b/include/linux/wait.h index ed7c122cb31f..5f3efabc36f4 100644 --- a/include/linux/wait.h +++ b/include/linux/wait.h @@ -308,7 +308,7 @@ do { \ #define __wait_event_freezable(wq_head, condition) \ ___wait_event(wq_head, condition, TASK_INTERRUPTIBLE, 0, 0, \ - schedule(); try_to_freeze()) + freezable_schedule()) /** * wait_event_freezable - sleep (or freeze) until a condition gets true @@ -367,7 +367,7 @@ do { \ #define __wait_event_freezable_timeout(wq_head, condition, timeout) \ ___wait_event(wq_head, ___wait_cond_timeout(condition), \ TASK_INTERRUPTIBLE, 0, timeout, \ - __ret = schedule_timeout(__ret); try_to_freeze()) + __ret = freezable_schedule_timeout(__ret)) /* * like wait_event_timeout() -- except it uses TASK_INTERRUPTIBLE to avoid @@ -588,7 +588,7 @@ do { \ #define __wait_event_freezable_exclusive(wq, condition) \ ___wait_event(wq, condition, TASK_INTERRUPTIBLE, 1, 0, \ - schedule(); try_to_freeze()) + freezable_schedule()) #define wait_event_freezable_exclusive(wq, condition) \ ({ \ diff --git a/include/linux/workqueue.h b/include/linux/workqueue.h index 60d673e15632..d9a1a480e920 100644 --- a/include/linux/workqueue.h +++ b/include/linux/workqueue.h @@ -390,43 +390,23 @@ extern struct workqueue_struct *system_freezable_wq; extern struct workqueue_struct *system_power_efficient_wq; extern struct workqueue_struct *system_freezable_power_efficient_wq; -extern struct workqueue_struct * -__alloc_workqueue_key(const char *fmt, unsigned int flags, int max_active, - struct lock_class_key *key, const char *lock_name, ...) __printf(1, 6); - /** * alloc_workqueue - allocate a workqueue * @fmt: printf format for the name of the workqueue * @flags: WQ_* flags * @max_active: max in-flight work items, 0 for default - * @args...: args for @fmt + * remaining args: args for @fmt * * Allocate a workqueue with the specified parameters. For detailed * information on WQ_* flags, please refer to * Documentation/core-api/workqueue.rst. * - * The __lock_name macro dance is to guarantee that single lock_class_key - * doesn't end up with different namesm, which isn't allowed by lockdep. - * * RETURNS: * Pointer to the allocated workqueue on success, %NULL on failure. */ -#ifdef CONFIG_LOCKDEP -#define alloc_workqueue(fmt, flags, max_active, args...) \ -({ \ - static struct lock_class_key __key; \ - const char *__lock_name; \ - \ - __lock_name = "(wq_completion)"#fmt#args; \ - \ - __alloc_workqueue_key((fmt), (flags), (max_active), \ - &__key, __lock_name, ##args); \ -}) -#else -#define alloc_workqueue(fmt, flags, max_active, args...) \ - __alloc_workqueue_key((fmt), (flags), (max_active), \ - NULL, NULL, ##args) -#endif +struct workqueue_struct *alloc_workqueue(const char *fmt, + unsigned int flags, + int max_active, ...); /** * alloc_ordered_workqueue - allocate an ordered workqueue |