X-Git-Url: https://git.liburcu.org/?a=blobdiff_plain;f=tests%2Fapi_ppc.h;h=255cb89bfb1100e3c9f50e11b0747752d433ccd0;hb=3c570c9cd2f4adc954a98c73e2e500fd0de05f25;hp=c351d4d18a865a5d393113197ab63f1cc8a198a2;hpb=b4e52e3e9e563d38607a8e0ab0aa72e7ab2b47b4;p=urcu.git diff --git a/tests/api_ppc.h b/tests/api_ppc.h index c351d4d..255cb89 100644 --- a/tests/api_ppc.h +++ b/tests/api_ppc.h @@ -1,5 +1,6 @@ /* MECHANICALLY GENERATED, DO NOT EDIT!!! */ +#ifndef _INCLUDE_API_H #define _INCLUDE_API_H /* @@ -25,6 +26,8 @@ * to redistribute under later versions of GPL might not be available. */ +#include + #ifndef __always_inline #define __always_inline inline #endif @@ -71,554 +74,8 @@ * Machine parameters. */ -#define CONFIG_PPC64 - -/*#define CACHE_LINE_SIZE 128 */ #define ____cacheline_internodealigned_in_smp \ - __attribute__((__aligned__(1 << 7))) - -#if 0 /* duplicate with arch_atomic.h */ - -/* - * Atomic data structure, initialization, and access. - */ - -typedef struct { volatile int counter; } atomic_t; - -#define ATOMIC_INIT(i) { (i) } - -#define atomic_read(v) ((v)->counter) -#define atomic_set(v, i) (((v)->counter) = (i)) - -/* - * Atomic operations. - */ - -#define LWSYNC lwsync -#define PPC405_ERR77(ra,rb) -#ifdef CONFIG_SMP -# define LWSYNC_ON_SMP stringify_in_c(LWSYNC) "\n" -# define ISYNC_ON_SMP "\n\tisync\n" -#else -# define LWSYNC_ON_SMP -# define ISYNC_ON_SMP -#endif - -/* - * Atomic exchange - * - * Changes the memory location '*ptr' to be val and returns - * the previous value stored there. - */ -static __always_inline unsigned long -__xchg_u32(volatile void *p, unsigned long val) -{ - unsigned long prev; - - __asm__ __volatile__( - LWSYNC_ON_SMP -"1: lwarx %0,0,%2 \n" - PPC405_ERR77(0,%2) -" stwcx. %3,0,%2 \n\ - bne- 1b" - ISYNC_ON_SMP - : "=&r" (prev), "+m" (*(volatile unsigned int *)p) - : "r" (p), "r" (val) - : "cc", "memory"); - - return prev; -} - -/* - * Atomic exchange - * - * Changes the memory location '*ptr' to be val and returns - * the previous value stored there. - */ -static __always_inline unsigned long -__xchg_u32_local(volatile void *p, unsigned long val) -{ - unsigned long prev; - - __asm__ __volatile__( -"1: lwarx %0,0,%2 \n" - PPC405_ERR77(0,%2) -" stwcx. %3,0,%2 \n\ - bne- 1b" - : "=&r" (prev), "+m" (*(volatile unsigned int *)p) - : "r" (p), "r" (val) - : "cc", "memory"); - - return prev; -} - -#ifdef CONFIG_PPC64 -static __always_inline unsigned long -__xchg_u64(volatile void *p, unsigned long val) -{ - unsigned long prev; - - __asm__ __volatile__( - LWSYNC_ON_SMP -"1: ldarx %0,0,%2 \n" - PPC405_ERR77(0,%2) -" stdcx. %3,0,%2 \n\ - bne- 1b" - ISYNC_ON_SMP - : "=&r" (prev), "+m" (*(volatile unsigned long *)p) - : "r" (p), "r" (val) - : "cc", "memory"); - - return prev; -} - -static __always_inline unsigned long -__xchg_u64_local(volatile void *p, unsigned long val) -{ - unsigned long prev; - - __asm__ __volatile__( -"1: ldarx %0,0,%2 \n" - PPC405_ERR77(0,%2) -" stdcx. %3,0,%2 \n\ - bne- 1b" - : "=&r" (prev), "+m" (*(volatile unsigned long *)p) - : "r" (p), "r" (val) - : "cc", "memory"); - - return prev; -} -#endif - -/* - * This function doesn't exist, so you'll get a linker error - * if something tries to do an invalid xchg(). - */ -extern void __xchg_called_with_bad_pointer(void); - -static __always_inline unsigned long -__xchg(volatile void *ptr, unsigned long x, unsigned int size) -{ - switch (size) { - case 4: - return __xchg_u32(ptr, x); -#ifdef CONFIG_PPC64 - case 8: - return __xchg_u64(ptr, x); -#endif - } - __xchg_called_with_bad_pointer(); - return x; -} - -static __always_inline unsigned long -__xchg_local(volatile void *ptr, unsigned long x, unsigned int size) -{ - switch (size) { - case 4: - return __xchg_u32_local(ptr, x); -#ifdef CONFIG_PPC64 - case 8: - return __xchg_u64_local(ptr, x); -#endif - } - __xchg_called_with_bad_pointer(); - return x; -} -#define xchg(ptr,x) \ - ({ \ - __typeof__(*(ptr)) _x_ = (x); \ - (__typeof__(*(ptr))) __xchg((ptr), (unsigned long)_x_, sizeof(*(ptr))); \ - }) - -#define xchg_local(ptr,x) \ - ({ \ - __typeof__(*(ptr)) _x_ = (x); \ - (__typeof__(*(ptr))) __xchg_local((ptr), \ - (unsigned long)_x_, sizeof(*(ptr))); \ - }) - -/* - * Compare and exchange - if *p == old, set it to new, - * and return the old value of *p. - */ -#define __HAVE_ARCH_CMPXCHG 1 - -static __always_inline unsigned long -__cmpxchg_u32(volatile unsigned int *p, unsigned long old, unsigned long new) -{ - unsigned int prev; - - __asm__ __volatile__ ( - LWSYNC_ON_SMP -"1: lwarx %0,0,%2 # __cmpxchg_u32\n\ - cmpw 0,%0,%3\n\ - bne- 2f\n" - PPC405_ERR77(0,%2) -" stwcx. %4,0,%2\n\ - bne- 1b" - ISYNC_ON_SMP - "\n\ -2:" - : "=&r" (prev), "+m" (*p) - : "r" (p), "r" (old), "r" (new) - : "cc", "memory"); - - return prev; -} - -static __always_inline unsigned long -__cmpxchg_u32_local(volatile unsigned int *p, unsigned long old, - unsigned long new) -{ - unsigned int prev; - - __asm__ __volatile__ ( -"1: lwarx %0,0,%2 # __cmpxchg_u32\n\ - cmpw 0,%0,%3\n\ - bne- 2f\n" - PPC405_ERR77(0,%2) -" stwcx. %4,0,%2\n\ - bne- 1b" - "\n\ -2:" - : "=&r" (prev), "+m" (*p) - : "r" (p), "r" (old), "r" (new) - : "cc", "memory"); - - return prev; -} - -#ifdef CONFIG_PPC64 -static __always_inline unsigned long -__cmpxchg_u64(volatile unsigned long *p, unsigned long old, unsigned long new) -{ - unsigned long prev; - - __asm__ __volatile__ ( - LWSYNC_ON_SMP -"1: ldarx %0,0,%2 # __cmpxchg_u64\n\ - cmpd 0,%0,%3\n\ - bne- 2f\n\ - stdcx. %4,0,%2\n\ - bne- 1b" - ISYNC_ON_SMP - "\n\ -2:" - : "=&r" (prev), "+m" (*p) - : "r" (p), "r" (old), "r" (new) - : "cc", "memory"); - - return prev; -} - -static __always_inline unsigned long -__cmpxchg_u64_local(volatile unsigned long *p, unsigned long old, - unsigned long new) -{ - unsigned long prev; - - __asm__ __volatile__ ( -"1: ldarx %0,0,%2 # __cmpxchg_u64\n\ - cmpd 0,%0,%3\n\ - bne- 2f\n\ - stdcx. %4,0,%2\n\ - bne- 1b" - "\n\ -2:" - : "=&r" (prev), "+m" (*p) - : "r" (p), "r" (old), "r" (new) - : "cc", "memory"); - - return prev; -} -#endif - -/* This function doesn't exist, so you'll get a linker error - if something tries to do an invalid cmpxchg(). */ -extern void __cmpxchg_called_with_bad_pointer(void); - -static __always_inline unsigned long -__cmpxchg(volatile void *ptr, unsigned long old, unsigned long new, - unsigned int size) -{ - switch (size) { - case 4: - return __cmpxchg_u32(ptr, old, new); -#ifdef CONFIG_PPC64 - case 8: - return __cmpxchg_u64(ptr, old, new); -#endif - } - __cmpxchg_called_with_bad_pointer(); - return old; -} - -static __always_inline unsigned long -__cmpxchg_local(volatile void *ptr, unsigned long old, unsigned long new, - unsigned int size) -{ - switch (size) { - case 4: - return __cmpxchg_u32_local(ptr, old, new); -#ifdef CONFIG_PPC64 - case 8: - return __cmpxchg_u64_local(ptr, old, new); -#endif - } - __cmpxchg_called_with_bad_pointer(); - return old; -} - -#define cmpxchg(ptr, o, n) \ - ({ \ - __typeof__(*(ptr)) _o_ = (o); \ - __typeof__(*(ptr)) _n_ = (n); \ - (__typeof__(*(ptr))) __cmpxchg((ptr), (unsigned long)_o_, \ - (unsigned long)_n_, sizeof(*(ptr))); \ - }) - - -#define cmpxchg_local(ptr, o, n) \ - ({ \ - __typeof__(*(ptr)) _o_ = (o); \ - __typeof__(*(ptr)) _n_ = (n); \ - (__typeof__(*(ptr))) __cmpxchg_local((ptr), (unsigned long)_o_, \ - (unsigned long)_n_, sizeof(*(ptr))); \ - }) - -#ifdef CONFIG_PPC64 -/* - * We handle most unaligned accesses in hardware. On the other hand - * unaligned DMA can be very expensive on some ppc64 IO chips (it does - * powers of 2 writes until it reaches sufficient alignment). - * - * Based on this we disable the IP header alignment in network drivers. - * We also modify NET_SKB_PAD to be a cacheline in size, thus maintaining - * cacheline alignment of buffers. - */ -#define NET_IP_ALIGN 0 -#define NET_SKB_PAD L1_CACHE_BYTES - -#define cmpxchg64(ptr, o, n) \ - ({ \ - BUILD_BUG_ON(sizeof(*(ptr)) != 8); \ - cmpxchg((ptr), (o), (n)); \ - }) -#define cmpxchg64_local(ptr, o, n) \ - ({ \ - BUILD_BUG_ON(sizeof(*(ptr)) != 8); \ - cmpxchg_local((ptr), (o), (n)); \ - }) -#endif - -#define atomic_cmpxchg(v, o, n) (cmpxchg(&((v)->counter), (o), (n))) -#define atomic_xchg(v, new) (xchg(&((v)->counter), new)) - -/** - * atomic_add - add integer to atomic variable - * @i: integer value to add - * @v: pointer of type atomic_t - * - * Atomically adds @a to @v. - */ -static __inline__ void atomic_add(int a, atomic_t *v) -{ - int t; - - __asm__ __volatile__( - "1: lwarx %0,0,%3 # atomic_add\n\ - add %0,%2,%0 \n\ - stwcx. %0,0,%3 \n\ - bne- 1b" - : "=&r" (t), "+m" (v->counter) - : "r" (a), "r" (&v->counter) - : "cc"); -} - -/** - * atomic_sub - subtract the atomic variable - * @i: integer value to subtract - * @v: pointer of type atomic_t - * - * Atomically subtracts @a from @v. - */ -static __inline__ void atomic_sub(int a, atomic_t *v) -{ - int t; - - __asm__ __volatile__( - "1: lwarx %0,0,%3 # atomic_sub \n\ - subf %0,%2,%0 \n\ - stwcx. %0,0,%3 \n\ - bne- 1b" - : "=&r" (t), "+m" (v->counter) - : "r" (a), "r" (&v->counter) - : "cc"); -} - -static __inline__ atomic_sub_return(int a, atomic_t *v) -{ - int t; - - __asm__ __volatile__( - "lwsync\n\ - 1: lwarx %0,0,%2 # atomic_sub_return\n\ - subf %0,%1,%0\n\ - stwcx. %0,0,%2 \n\ - bne- 1b \n\ - isync" - : "=&r" (t) - : "r" (a), "r" (&v->counter) - : "cc", "memory"); - - return t; -} - -/** - * 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__ int atomic_sub_and_test(int a, atomic_t *v) -{ - return atomic_sub_return(a, v) == 0; -} - -/** - * atomic_inc - increment atomic variable - * @v: pointer of type atomic_t - * - * Atomically increments @v by 1. - */ -static __inline__ void atomic_inc(atomic_t *v) -{ - atomic_add(1, v); -} - -/** - * atomic_dec - decrement atomic variable - * @v: pointer of type atomic_t - * - * Atomically decrements @v by 1. - */ -static __inline__ void atomic_dec(atomic_t *v) -{ - atomic_sub(1, v); -} - -/** - * 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__ int atomic_dec_and_test(atomic_t *v) -{ - return atomic_sub_and_test(1, v); -} - -/** - * 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__ int atomic_inc_and_test(atomic_t *v) -{ - return atomic_inc_return(v); -} - -/** - * atomic_add_return - add and return - * @v: pointer of type atomic_t - * @i: integer value to add - * - * Atomically adds @i to @v and returns @i + @v - */ -static __inline__ int atomic_add_return(int a, atomic_t *v) -{ - int t; - - __asm__ __volatile__( - "lwsync \n\ - 1: lwarx %0,0,%2 # atomic_add_return \n\ - add %0,%1,%0 \n\ - stwcx. %0,0,%2 \n\ - bne- 1b \n\ - isync" - : "=&r" (t) - : "r" (a), "r" (&v->counter) - : "cc", "memory"); - - return t; -} - -/** - * atomic_add_negative - add and test if negative - * @v: pointer of type atomic_t - * @i: integer value to add - * - * 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__ int atomic_add_negative(int a, atomic_t *v) -{ - return atomic_add_return(a, v) < 0; -} - -/** - * atomic_add_unless - add unless the number is 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 it was not @u. - * Returns non-zero if @v was not @u, and zero otherwise. - */ -static __inline__ int atomic_add_unless(atomic_t *v, int a, int u) -{ - int t; - - __asm__ __volatile__( - "lwsync \n\ - 1: lwarx %0,0,%1 # atomic_add_unless\n\ - cmpd 0,%0,%3 \n\ - beq- 2f \n\ - add %0,%2,%0 \n\ - stwcx. %0,0,%1 \n\ - bne- 1b \n\ - isync \n\ - subf %0,%2,%0 \n\ - 2:" - : "=&r" (t) - : "r" (&v->counter), "r" (a), "r" (u) - : "cc", "memory"); - - return t != u; -} - -#define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0) - -#define atomic_inc_return(v) (atomic_add_return(1,v)) -#define atomic_dec_return(v) (atomic_sub_return(1,v)) - -/* Atomic operations are already serializing on x86 */ -#define smp_mb__before_atomic_dec() smp_mb() -#define smp_mb__after_atomic_dec() smp_mb() -#define smp_mb__before_atomic_inc() smp_mb() -#define smp_mb__after_atomic_inc() smp_mb() - -#endif //0 /* duplicate with arch_atomic.h */ + __attribute__((__aligned__(CAA_CACHE_LINE_SIZE))) /* * api_pthreads.h: API mapping to pthreads environment. @@ -653,20 +110,13 @@ static __inline__ int atomic_add_unless(atomic_t *v, int a, int u) #include /* #include "atomic.h" */ -/* - * Compiler magic. - */ -#define container_of(ptr, type, member) ({ \ - const typeof( ((type *)0)->member ) *__mptr = (ptr); \ - (type *)( (char *)__mptr - offsetof(type,member) );}) - /* * Default machine parameters. */ -#ifndef CACHE_LINE_SIZE -/* #define CACHE_LINE_SIZE 128 */ -#endif /* #ifndef CACHE_LINE_SIZE */ +#ifndef CAA_CACHE_LINE_SIZE +/* #define CAA_CACHE_LINE_SIZE 128 */ +#endif /* #ifndef CAA_CACHE_LINE_SIZE */ /* * Exclusive locking primitives. @@ -859,7 +309,7 @@ long long get_microseconds(void) #define DEFINE_PER_THREAD(type, name) \ struct { \ __typeof__(type) v \ - __attribute__((__aligned__(CACHE_LINE_SIZE))); \ + __attribute__((__aligned__(CAA_CACHE_LINE_SIZE))); \ } __per_thread_##name[NR_THREADS]; #define DECLARE_PER_THREAD(type, name) extern DEFINE_PER_THREAD(type, name) @@ -893,7 +343,7 @@ long long get_microseconds(void) #define DEFINE_PER_CPU(type, name) \ struct { \ __typeof__(type) v \ - __attribute__((__aligned__(CACHE_LINE_SIZE))); \ + __attribute__((__aligned__(CAA_CACHE_LINE_SIZE))); \ } __per_cpu_##name[NR_CPUS] #define DECLARE_PER_CPU(type, name) extern DEFINE_PER_CPU(type, name) @@ -1007,10 +457,6 @@ static void smp_init(void) #define LIST_POISON1 ((void *) 0x00100100) #define LIST_POISON2 ((void *) 0x00200200) -#define container_of(ptr, type, member) ({ \ - const typeof( ((type *)0)->member ) *__mptr = (ptr); \ - (type *)( (char *)__mptr - offsetof(type,member) );}) - #if 0 /* @@ -1023,16 +469,16 @@ static void smp_init(void) * using the generic single-entry routines. */ -struct list_head { - struct list_head *next, *prev; +struct cds_list_head { + struct cds_list_head *next, *prev; }; -#define LIST_HEAD_INIT(name) { &(name), &(name) } +#define CDS_LIST_HEAD_INIT(name) { &(name), &(name) } -#define LIST_HEAD(name) \ - struct list_head name = LIST_HEAD_INIT(name) +#define CDS_LIST_HEAD(name) \ + struct cds_list_head name = CDS_LIST_HEAD_INIT(name) -static inline void INIT_LIST_HEAD(struct list_head *list) +static inline void CDS_INIT_LIST_HEAD(struct cds_list_head *list) { list->next = list; list->prev = list; @@ -1045,9 +491,9 @@ static inline void INIT_LIST_HEAD(struct list_head *list) * the prev/next entries already! */ #ifndef CONFIG_DEBUG_LIST -static inline void __list_add(struct list_head *new, - struct list_head *prev, - struct list_head *next) +static inline void __cds_list_add(struct cds_list_head *new, + struct cds_list_head *prev, + struct cds_list_head *next) { next->prev = new; new->next = next; @@ -1055,36 +501,36 @@ static inline void __list_add(struct list_head *new, prev->next = new; } #else -extern void __list_add(struct list_head *new, - struct list_head *prev, - struct list_head *next); +extern void __cds_list_add(struct cds_list_head *new, + struct cds_list_head *prev, + struct cds_list_head *next); #endif /** - * list_add - add a new entry + * cds_list_add - add a new entry * @new: new entry to be added * @head: list head to add it after * * Insert a new entry after the specified head. * This is good for implementing stacks. */ -static inline void list_add(struct list_head *new, struct list_head *head) +static inline void cds_list_add(struct cds_list_head *new, struct cds_list_head *head) { - __list_add(new, head, head->next); + __cds_list_add(new, head, head->next); } /** - * list_add_tail - add a new entry + * cds_list_add_tail - add a new entry * @new: new entry to be added * @head: list head to add it before * * Insert a new entry before the specified head. * This is useful for implementing queues. */ -static inline void list_add_tail(struct list_head *new, struct list_head *head) +static inline void cds_list_add_tail(struct cds_list_head *new, struct cds_list_head *head) { - __list_add(new, head->prev, head); + __cds_list_add(new, head->prev, head); } /* @@ -1094,38 +540,38 @@ static inline void list_add_tail(struct list_head *new, struct list_head *head) * This is only for internal list manipulation where we know * the prev/next entries already! */ -static inline void __list_del(struct list_head * prev, struct list_head * next) +static inline void __cds_list_del(struct cds_list_head * prev, struct cds_list_head * next) { next->prev = prev; prev->next = next; } /** - * list_del - deletes entry from list. + * cds_list_del - deletes entry from list. * @entry: the element to delete from the list. - * Note: list_empty() on entry does not return true after this, the entry is + * Note: cds_list_empty() on entry does not return true after this, the entry is * in an undefined state. */ #ifndef CONFIG_DEBUG_LIST -static inline void list_del(struct list_head *entry) +static inline void cds_list_del(struct cds_list_head *entry) { - __list_del(entry->prev, entry->next); + __cds_list_del(entry->prev, entry->next); entry->next = LIST_POISON1; entry->prev = LIST_POISON2; } #else -extern void list_del(struct list_head *entry); +extern void cds_list_del(struct cds_list_head *entry); #endif /** - * list_replace - replace old entry by new one + * cds_list_replace - replace old entry by new one * @old : the element to be replaced * @new : the new element to insert * * If @old was empty, it will be overwritten. */ -static inline void list_replace(struct list_head *old, - struct list_head *new) +static inline void cds_list_replace(struct cds_list_head *old, + struct cds_list_head *new) { new->next = old->next; new->next->prev = new; @@ -1133,44 +579,44 @@ static inline void list_replace(struct list_head *old, new->prev->next = new; } -static inline void list_replace_init(struct list_head *old, - struct list_head *new) +static inline void cds_list_replace_init(struct cds_list_head *old, + struct cds_list_head *new) { - list_replace(old, new); - INIT_LIST_HEAD(old); + cds_list_replace(old, new); + CDS_INIT_LIST_HEAD(old); } /** - * list_del_init - deletes entry from list and reinitialize it. + * cds_list_del_init - deletes entry from list and reinitialize it. * @entry: the element to delete from the list. */ -static inline void list_del_init(struct list_head *entry) +static inline void cds_list_del_init(struct cds_list_head *entry) { - __list_del(entry->prev, entry->next); - INIT_LIST_HEAD(entry); + __cds_list_del(entry->prev, entry->next); + CDS_INIT_LIST_HEAD(entry); } /** - * list_move - delete from one list and add as another's head + * cds_list_move - delete from one list and add as another's head * @list: the entry to move * @head: the head that will precede our entry */ -static inline void list_move(struct list_head *list, struct list_head *head) +static inline void cds_list_move(struct cds_list_head *list, struct cds_list_head *head) { - __list_del(list->prev, list->next); - list_add(list, head); + __cds_list_del(list->prev, list->next); + cds_list_add(list, head); } /** - * list_move_tail - delete from one list and add as another's tail + * cds_list_move_tail - delete from one list and add as another's tail * @list: the entry to move * @head: the head that will follow our entry */ -static inline void list_move_tail(struct list_head *list, - struct list_head *head) +static inline void cds_list_move_tail(struct cds_list_head *list, + struct cds_list_head *head) { - __list_del(list->prev, list->next); - list_add_tail(list, head); + __cds_list_del(list->prev, list->next); + cds_list_add_tail(list, head); } /** @@ -1178,37 +624,37 @@ static inline void list_move_tail(struct list_head *list, * @list: the entry to test * @head: the head of the list */ -static inline int list_is_last(const struct list_head *list, - const struct list_head *head) +static inline int list_is_last(const struct cds_list_head *list, + const struct cds_list_head *head) { return list->next == head; } /** - * list_empty - tests whether a list is empty + * cds_list_empty - tests whether a list is empty * @head: the list to test. */ -static inline int list_empty(const struct list_head *head) +static inline int cds_list_empty(const struct cds_list_head *head) { return head->next == head; } /** - * list_empty_careful - tests whether a list is empty and not being modified + * cds_list_empty_careful - tests whether a list is empty and not being modified * @head: the list to test * * Description: * tests whether a list is empty _and_ checks that no other CPU might be * in the process of modifying either member (next or prev) * - * NOTE: using list_empty_careful() without synchronization + * NOTE: using cds_list_empty_careful() without synchronization * can only be safe if the only activity that can happen - * to the list entry is list_del_init(). Eg. it cannot be used + * to the list entry is cds_list_del_init(). Eg. it cannot be used * if another CPU could re-list_add() it. */ -static inline int list_empty_careful(const struct list_head *head) +static inline int cds_list_empty_careful(const struct cds_list_head *head) { - struct list_head *next = head->next; + struct cds_list_head *next = head->next; return (next == head) && (next == head->prev); } @@ -1216,15 +662,15 @@ static inline int list_empty_careful(const struct list_head *head) * list_is_singular - tests whether a list has just one entry. * @head: the list to test. */ -static inline int list_is_singular(const struct list_head *head) +static inline int list_is_singular(const struct cds_list_head *head) { return !list_empty(head) && (head->next == head->prev); } -static inline void __list_cut_position(struct list_head *list, - struct list_head *head, struct list_head *entry) +static inline void __list_cut_position(struct cds_list_head *list, + struct cds_list_head *head, struct cds_list_head *entry) { - struct list_head *new_first = entry->next; + struct cds_list_head *new_first = entry->next; list->next = head->next; list->next->prev = list; list->prev = entry; @@ -1247,26 +693,26 @@ static inline void __list_cut_position(struct list_head *list, * losing its data. * */ -static inline void list_cut_position(struct list_head *list, - struct list_head *head, struct list_head *entry) +static inline void list_cut_position(struct cds_list_head *list, + struct cds_list_head *head, struct cds_list_head *entry) { - if (list_empty(head)) + if (cds_list_empty(head)) return; if (list_is_singular(head) && (head->next != entry && head != entry)) return; if (entry == head) - INIT_LIST_HEAD(list); + CDS_INIT_LIST_HEAD(list); else __list_cut_position(list, head, entry); } -static inline void __list_splice(const struct list_head *list, - struct list_head *prev, - struct list_head *next) +static inline void __cds_list_splice(const struct cds_list_head *list, + struct cds_list_head *prev, + struct cds_list_head *next) { - struct list_head *first = list->next; - struct list_head *last = list->prev; + struct cds_list_head *first = list->next; + struct cds_list_head *last = list->prev; first->prev = prev; prev->next = first; @@ -1276,70 +722,70 @@ static inline void __list_splice(const struct list_head *list, } /** - * list_splice - join two lists, this is designed for stacks + * cds_list_splice - join two lists, this is designed for stacks * @list: the new list to add. * @head: the place to add it in the first list. */ -static inline void list_splice(const struct list_head *list, - struct list_head *head) +static inline void cds_list_splice(const struct cds_list_head *list, + struct cds_list_head *head) { - if (!list_empty(list)) - __list_splice(list, head, head->next); + if (!cds_list_empty(list)) + __cds_list_splice(list, head, head->next); } /** - * list_splice_tail - join two lists, each list being a queue + * cds_list_splice_tail - join two lists, each list being a queue * @list: the new list to add. * @head: the place to add it in the first list. */ -static inline void list_splice_tail(struct list_head *list, - struct list_head *head) +static inline void cds_list_splice_tail(struct cds_list_head *list, + struct cds_list_head *head) { - if (!list_empty(list)) - __list_splice(list, head->prev, head); + if (!cds_list_empty(list)) + __cds_list_splice(list, head->prev, head); } /** - * list_splice_init - join two lists and reinitialise the emptied list. + * cds_list_splice_init - join two lists and reinitialise the emptied list. * @list: the new list to add. * @head: the place to add it in the first list. * * The list at @list is reinitialised */ -static inline void list_splice_init(struct list_head *list, - struct list_head *head) +static inline void cds_list_splice_init(struct cds_list_head *list, + struct cds_list_head *head) { - if (!list_empty(list)) { - __list_splice(list, head, head->next); - INIT_LIST_HEAD(list); + if (!cds_list_empty(list)) { + __cds_list_splice(list, head, head->next); + CDS_INIT_LIST_HEAD(list); } } /** - * list_splice_tail_init - join two lists and reinitialise the emptied list + * cds_list_splice_tail_init - join two lists and reinitialise the emptied list * @list: the new list to add. * @head: the place to add it in the first list. * * Each of the lists is a queue. * The list at @list is reinitialised */ -static inline void list_splice_tail_init(struct list_head *list, - struct list_head *head) +static inline void cds_list_splice_tail_init(struct cds_list_head *list, + struct cds_list_head *head) { - if (!list_empty(list)) { - __list_splice(list, head->prev, head); - INIT_LIST_HEAD(list); + if (!cds_list_empty(list)) { + __cds_list_splice(list, head->prev, head); + CDS_INIT_LIST_HEAD(list); } } /** - * list_entry - get the struct for this entry - * @ptr: the &struct list_head pointer. + * cds_list_entry - get the struct for this entry + * @ptr: the &struct cds_list_head pointer. * @type: the type of the struct this is embedded in. * @member: the name of the list_struct within the struct. */ -#define list_entry(ptr, type, member) \ - container_of(ptr, type, member) +#define cds_list_entry(ptr, type, member) \ + caa_container_of(ptr, type, member) /** * list_first_entry - get the first element from a list @@ -1350,95 +796,95 @@ static inline void list_splice_tail_init(struct list_head *list, * Note, that list is expected to be not empty. */ #define list_first_entry(ptr, type, member) \ - list_entry((ptr)->next, type, member) + cds_list_entry((ptr)->next, type, member) /** - * list_for_each - iterate over a list - * @pos: the &struct list_head to use as a loop cursor. + * cds_list_for_each - iterate over a list + * @pos: the &struct cds_list_head to use as a loop cursor. * @head: the head for your list. */ -#define list_for_each(pos, head) \ +#define cds_list_for_each(pos, head) \ for (pos = (head)->next; prefetch(pos->next), pos != (head); \ pos = pos->next) /** - * __list_for_each - iterate over a list - * @pos: the &struct list_head to use as a loop cursor. + * __cds_list_for_each - iterate over a list + * @pos: the &struct cds_list_head to use as a loop cursor. * @head: the head for your list. * - * This variant differs from list_for_each() in that it's the + * This variant differs from cds_list_for_each() in that it's the * simplest possible list iteration code, no prefetching is done. * Use this for code that knows the list to be very short (empty * or 1 entry) most of the time. */ -#define __list_for_each(pos, head) \ +#define __cds_list_for_each(pos, head) \ for (pos = (head)->next; pos != (head); pos = pos->next) /** - * list_for_each_prev - iterate over a list backwards - * @pos: the &struct list_head to use as a loop cursor. + * cds_list_for_each_prev - iterate over a list backwards + * @pos: the &struct cds_list_head to use as a loop cursor. * @head: the head for your list. */ -#define list_for_each_prev(pos, head) \ +#define cds_list_for_each_prev(pos, head) \ for (pos = (head)->prev; prefetch(pos->prev), pos != (head); \ pos = pos->prev) /** - * list_for_each_safe - iterate over a list safe against removal of list entry - * @pos: the &struct list_head to use as a loop cursor. - * @n: another &struct list_head to use as temporary storage + * cds_list_for_each_safe - iterate over a list safe against removal of list entry + * @pos: the &struct cds_list_head to use as a loop cursor. + * @n: another &struct cds_list_head to use as temporary storage * @head: the head for your list. */ -#define list_for_each_safe(pos, n, head) \ +#define cds_list_for_each_safe(pos, n, head) \ for (pos = (head)->next, n = pos->next; pos != (head); \ pos = n, n = pos->next) /** - * list_for_each_prev_safe - iterate over a list backwards safe against removal of list entry - * @pos: the &struct list_head to use as a loop cursor. - * @n: another &struct list_head to use as temporary storage + * cds_list_for_each_prev_safe - iterate over a list backwards safe against removal of list entry + * @pos: the &struct cds_list_head to use as a loop cursor. + * @n: another &struct cds_list_head to use as temporary storage * @head: the head for your list. */ -#define list_for_each_prev_safe(pos, n, head) \ +#define cds_list_for_each_prev_safe(pos, n, head) \ for (pos = (head)->prev, n = pos->prev; \ prefetch(pos->prev), pos != (head); \ pos = n, n = pos->prev) /** - * list_for_each_entry - iterate over list of given type + * cds_list_for_each_entry - iterate over list of given type * @pos: the type * to use as a loop cursor. * @head: the head for your list. * @member: the name of the list_struct within the struct. */ -#define list_for_each_entry(pos, head, member) \ - for (pos = list_entry((head)->next, typeof(*pos), member); \ +#define cds_list_for_each_entry(pos, head, member) \ + for (pos = cds_list_entry((head)->next, typeof(*pos), member); \ prefetch(pos->member.next), &pos->member != (head); \ - pos = list_entry(pos->member.next, typeof(*pos), member)) + pos = cds_list_entry(pos->member.next, typeof(*pos), member)) /** - * list_for_each_entry_reverse - iterate backwards over list of given type. + * cds_list_for_each_entry_reverse - iterate backwards over list of given type. * @pos: the type * to use as a loop cursor. * @head: the head for your list. * @member: the name of the list_struct within the struct. */ -#define list_for_each_entry_reverse(pos, head, member) \ - for (pos = list_entry((head)->prev, typeof(*pos), member); \ +#define cds_list_for_each_entry_reverse(pos, head, member) \ + for (pos = cds_list_entry((head)->prev, typeof(*pos), member); \ prefetch(pos->member.prev), &pos->member != (head); \ - pos = list_entry(pos->member.prev, typeof(*pos), member)) + pos = cds_list_entry(pos->member.prev, typeof(*pos), member)) /** - * list_prepare_entry - prepare a pos entry for use in list_for_each_entry_continue() + * list_prepare_entry - prepare a pos entry for use in cds_list_for_each_entry_continue() * @pos: the type * to use as a start point * @head: the head of the list * @member: the name of the list_struct within the struct. * - * Prepares a pos entry for use as a start point in list_for_each_entry_continue(). + * Prepares a pos entry for use as a start point in cds_list_for_each_entry_continue(). */ #define list_prepare_entry(pos, head, member) \ - ((pos) ? : list_entry(head, typeof(*pos), member)) + ((pos) ? : cds_list_entry(head, typeof(*pos), member)) /** - * list_for_each_entry_continue - continue iteration over list of given type + * cds_list_for_each_entry_continue - continue iteration over list of given type * @pos: the type * to use as a loop cursor. * @head: the head for your list. * @member: the name of the list_struct within the struct. @@ -1446,13 +892,13 @@ static inline void list_splice_tail_init(struct list_head *list, * Continue to iterate over list of given type, continuing after * the current position. */ -#define list_for_each_entry_continue(pos, head, member) \ - for (pos = list_entry(pos->member.next, typeof(*pos), member); \ +#define cds_list_for_each_entry_continue(pos, head, member) \ + for (pos = cds_list_entry(pos->member.next, typeof(*pos), member); \ prefetch(pos->member.next), &pos->member != (head); \ - pos = list_entry(pos->member.next, typeof(*pos), member)) + pos = cds_list_entry(pos->member.next, typeof(*pos), member)) /** - * list_for_each_entry_continue_reverse - iterate backwards from the given point + * cds_list_for_each_entry_continue_reverse - iterate backwards from the given point * @pos: the type * to use as a loop cursor. * @head: the head for your list. * @member: the name of the list_struct within the struct. @@ -1460,38 +906,38 @@ static inline void list_splice_tail_init(struct list_head *list, * Start to iterate over list of given type backwards, continuing after * the current position. */ -#define list_for_each_entry_continue_reverse(pos, head, member) \ - for (pos = list_entry(pos->member.prev, typeof(*pos), member); \ +#define cds_list_for_each_entry_continue_reverse(pos, head, member) \ + for (pos = cds_list_entry(pos->member.prev, typeof(*pos), member); \ prefetch(pos->member.prev), &pos->member != (head); \ - pos = list_entry(pos->member.prev, typeof(*pos), member)) + pos = cds_list_entry(pos->member.prev, typeof(*pos), member)) /** - * list_for_each_entry_from - iterate over list of given type from the current point + * cds_list_for_each_entry_from - iterate over list of given type from the current point * @pos: the type * to use as a loop cursor. * @head: the head for your list. * @member: the name of the list_struct within the struct. * * Iterate over list of given type, continuing from current position. */ -#define list_for_each_entry_from(pos, head, member) \ +#define cds_list_for_each_entry_from(pos, head, member) \ for (; prefetch(pos->member.next), &pos->member != (head); \ - pos = list_entry(pos->member.next, typeof(*pos), member)) + pos = cds_list_entry(pos->member.next, typeof(*pos), member)) /** - * list_for_each_entry_safe - iterate over list of given type safe against removal of list entry + * cds_list_for_each_entry_safe - iterate over list of given type safe against removal of list entry * @pos: the type * to use as a loop cursor. * @n: another type * to use as temporary storage * @head: the head for your list. * @member: the name of the list_struct within the struct. */ -#define list_for_each_entry_safe(pos, n, head, member) \ - for (pos = list_entry((head)->next, typeof(*pos), member), \ - n = list_entry(pos->member.next, typeof(*pos), member); \ +#define cds_list_for_each_entry_safe(pos, n, head, member) \ + for (pos = cds_list_entry((head)->next, typeof(*pos), member), \ + n = cds_list_entry(pos->member.next, typeof(*pos), member); \ &pos->member != (head); \ - pos = n, n = list_entry(n->member.next, typeof(*n), member)) + pos = n, n = cds_list_entry(n->member.next, typeof(*n), member)) /** - * list_for_each_entry_safe_continue + * cds_list_for_each_entry_safe_continue * @pos: the type * to use as a loop cursor. * @n: another type * to use as temporary storage * @head: the head for your list. @@ -1500,14 +946,14 @@ static inline void list_splice_tail_init(struct list_head *list, * Iterate over list of given type, continuing after current point, * safe against removal of list entry. */ -#define list_for_each_entry_safe_continue(pos, n, head, member) \ - for (pos = list_entry(pos->member.next, typeof(*pos), member), \ - n = list_entry(pos->member.next, typeof(*pos), member); \ +#define cds_list_for_each_entry_safe_continue(pos, n, head, member) \ + for (pos = cds_list_entry(pos->member.next, typeof(*pos), member), \ + n = cds_list_entry(pos->member.next, typeof(*pos), member); \ &pos->member != (head); \ - pos = n, n = list_entry(n->member.next, typeof(*n), member)) + pos = n, n = cds_list_entry(n->member.next, typeof(*n), member)) /** - * list_for_each_entry_safe_from + * cds_list_for_each_entry_safe_from * @pos: the type * to use as a loop cursor. * @n: another type * to use as temporary storage * @head: the head for your list. @@ -1516,13 +962,13 @@ static inline void list_splice_tail_init(struct list_head *list, * Iterate over list of given type from current point, safe against * removal of list entry. */ -#define list_for_each_entry_safe_from(pos, n, head, member) \ - for (n = list_entry(pos->member.next, typeof(*pos), member); \ +#define cds_list_for_each_entry_safe_from(pos, n, head, member) \ + for (n = cds_list_entry(pos->member.next, typeof(*pos), member); \ &pos->member != (head); \ - pos = n, n = list_entry(n->member.next, typeof(*n), member)) + pos = n, n = cds_list_entry(n->member.next, typeof(*n), member)) /** - * list_for_each_entry_safe_reverse + * cds_list_for_each_entry_safe_reverse * @pos: the type * to use as a loop cursor. * @n: another type * to use as temporary storage * @head: the head for your list. @@ -1531,11 +977,11 @@ static inline void list_splice_tail_init(struct list_head *list, * Iterate backwards over list of given type, safe against removal * of list entry. */ -#define list_for_each_entry_safe_reverse(pos, n, head, member) \ - for (pos = list_entry((head)->prev, typeof(*pos), member), \ - n = list_entry(pos->member.prev, typeof(*pos), member); \ +#define cds_list_for_each_entry_safe_reverse(pos, n, head, member) \ + for (pos = cds_list_entry((head)->prev, typeof(*pos), member), \ + n = cds_list_entry(pos->member.prev, typeof(*pos), member); \ &pos->member != (head); \ - pos = n, n = list_entry(n->member.prev, typeof(*n), member)) + pos = n, n = cds_list_entry(n->member.prev, typeof(*n), member)) #endif //0 @@ -1546,60 +992,60 @@ static inline void list_splice_tail_init(struct list_head *list, * You lose the ability to access the tail in O(1). */ -struct hlist_head { - struct hlist_node *first; +struct cds_hlist_head { + struct cds_hlist_node *first; }; -struct hlist_node { - struct hlist_node *next, **pprev; +struct cds_hlist_node { + struct cds_hlist_node *next, **pprev; }; #define HLIST_HEAD_INIT { .first = NULL } -#define HLIST_HEAD(name) struct hlist_head name = { .first = NULL } -#define INIT_HLIST_HEAD(ptr) ((ptr)->first = NULL) -static inline void INIT_HLIST_NODE(struct hlist_node *h) +#define HLIST_HEAD(name) struct cds_hlist_head name = { .first = NULL } +#define CDS_INIT_HLIST_HEAD(ptr) ((ptr)->first = NULL) +static inline void INIT_HLIST_NODE(struct cds_hlist_node *h) { h->next = NULL; h->pprev = NULL; } -static inline int hlist_unhashed(const struct hlist_node *h) +static inline int hlist_unhashed(const struct cds_hlist_node *h) { return !h->pprev; } -static inline int hlist_empty(const struct hlist_head *h) +static inline int hlist_empty(const struct cds_hlist_head *h) { return !h->first; } -static inline void __hlist_del(struct hlist_node *n) +static inline void __cds_hlist_del(struct cds_hlist_node *n) { - struct hlist_node *next = n->next; - struct hlist_node **pprev = n->pprev; + struct cds_hlist_node *next = n->next; + struct cds_hlist_node **pprev = n->pprev; *pprev = next; if (next) next->pprev = pprev; } -static inline void hlist_del(struct hlist_node *n) +static inline void cds_hlist_del(struct cds_hlist_node *n) { - __hlist_del(n); + __cds_hlist_del(n); n->next = LIST_POISON1; n->pprev = LIST_POISON2; } -static inline void hlist_del_init(struct hlist_node *n) +static inline void cds_hlist_del_init(struct cds_hlist_node *n) { if (!hlist_unhashed(n)) { - __hlist_del(n); + __cds_hlist_del(n); INIT_HLIST_NODE(n); } } -static inline void hlist_add_head(struct hlist_node *n, struct hlist_head *h) +static inline void cds_hlist_add_head(struct cds_hlist_node *n, struct cds_hlist_head *h) { - struct hlist_node *first = h->first; + struct cds_hlist_node *first = h->first; n->next = first; if (first) first->pprev = &n->next; @@ -1608,8 +1054,8 @@ static inline void hlist_add_head(struct hlist_node *n, struct hlist_head *h) } /* next must be != NULL */ -static inline void hlist_add_before(struct hlist_node *n, - struct hlist_node *next) +static inline void hlist_add_before(struct cds_hlist_node *n, + struct cds_hlist_node *next) { n->pprev = next->pprev; n->next = next; @@ -1617,8 +1063,8 @@ static inline void hlist_add_before(struct hlist_node *n, *(n->pprev) = n; } -static inline void hlist_add_after(struct hlist_node *n, - struct hlist_node *next) +static inline void hlist_add_after(struct cds_hlist_node *n, + struct cds_hlist_node *next) { next->next = n->next; n->next = next; @@ -1632,8 +1078,8 @@ static inline void hlist_add_after(struct hlist_node *n, * Move a list from one list head to another. Fixup the pprev * reference of the first entry if it exists. */ -static inline void hlist_move_list(struct hlist_head *old, - struct hlist_head *new) +static inline void hlist_move_list(struct cds_hlist_head *old, + struct cds_hlist_head *new) { new->first = old->first; if (new->first) @@ -1641,64 +1087,66 @@ static inline void hlist_move_list(struct hlist_head *old, old->first = NULL; } -#define hlist_entry(ptr, type, member) container_of(ptr,type,member) +#define cds_hlist_entry(ptr, type, member) caa_container_of(ptr,type,member) -#define hlist_for_each(pos, head) \ +#define cds_hlist_for_each(pos, head) \ for (pos = (head)->first; pos && ({ prefetch(pos->next); 1; }); \ pos = pos->next) -#define hlist_for_each_safe(pos, n, head) \ +#define cds_hlist_for_each_safe(pos, n, head) \ for (pos = (head)->first; pos && ({ n = pos->next; 1; }); \ pos = n) /** - * hlist_for_each_entry - iterate over list of given type + * cds_hlist_for_each_entry - iterate over list of given type * @tpos: the type * to use as a loop cursor. - * @pos: the &struct hlist_node to use as a loop cursor. + * @pos: the &struct cds_hlist_node to use as a loop cursor. * @head: the head for your list. - * @member: the name of the hlist_node within the struct. + * @member: the name of the cds_hlist_node within the struct. */ -#define hlist_for_each_entry(tpos, pos, head, member) \ +#define cds_hlist_for_each_entry(tpos, pos, head, member) \ for (pos = (head)->first; \ pos && ({ prefetch(pos->next); 1;}) && \ - ({ tpos = hlist_entry(pos, typeof(*tpos), member); 1;}); \ + ({ tpos = cds_hlist_entry(pos, typeof(*tpos), member); 1;}); \ pos = pos->next) /** - * hlist_for_each_entry_continue - iterate over a hlist continuing after current point + * cds_hlist_for_each_entry_continue - iterate over a hlist continuing after current point * @tpos: the type * to use as a loop cursor. - * @pos: the &struct hlist_node to use as a loop cursor. - * @member: the name of the hlist_node within the struct. + * @pos: the &struct cds_hlist_node to use as a loop cursor. + * @member: the name of the cds_hlist_node within the struct. */ -#define hlist_for_each_entry_continue(tpos, pos, member) \ +#define cds_hlist_for_each_entry_continue(tpos, pos, member) \ for (pos = (pos)->next; \ pos && ({ prefetch(pos->next); 1;}) && \ - ({ tpos = hlist_entry(pos, typeof(*tpos), member); 1;}); \ + ({ tpos = cds_hlist_entry(pos, typeof(*tpos), member); 1;}); \ pos = pos->next) /** - * hlist_for_each_entry_from - iterate over a hlist continuing from current point + * cds_hlist_for_each_entry_from - iterate over a hlist continuing from current point * @tpos: the type * to use as a loop cursor. - * @pos: the &struct hlist_node to use as a loop cursor. - * @member: the name of the hlist_node within the struct. + * @pos: the &struct cds_hlist_node to use as a loop cursor. + * @member: the name of the cds_hlist_node within the struct. */ -#define hlist_for_each_entry_from(tpos, pos, member) \ +#define cds_hlist_for_each_entry_from(tpos, pos, member) \ for (; pos && ({ prefetch(pos->next); 1;}) && \ - ({ tpos = hlist_entry(pos, typeof(*tpos), member); 1;}); \ + ({ tpos = cds_hlist_entry(pos, typeof(*tpos), member); 1;}); \ pos = pos->next) /** - * hlist_for_each_entry_safe - iterate over list of given type safe against removal of list entry + * cds_hlist_for_each_entry_safe - iterate over list of given type safe against removal of list entry * @tpos: the type * to use as a loop cursor. - * @pos: the &struct hlist_node to use as a loop cursor. - * @n: another &struct hlist_node to use as temporary storage + * @pos: the &struct cds_hlist_node to use as a loop cursor. + * @n: another &struct cds_hlist_node to use as temporary storage * @head: the head for your list. - * @member: the name of the hlist_node within the struct. + * @member: the name of the cds_hlist_node within the struct. */ -#define hlist_for_each_entry_safe(tpos, pos, n, head, member) \ +#define cds_hlist_for_each_entry_safe(tpos, pos, n, head, member) \ for (pos = (head)->first; \ pos && ({ n = pos->next; 1; }) && \ - ({ tpos = hlist_entry(pos, typeof(*tpos), member); 1;}); \ + ({ tpos = cds_hlist_entry(pos, typeof(*tpos), member); 1;}); \ pos = n) #endif + +#endif