#ifndef _ASM_GENERIC_ATOMIC_LONG_H#define _ASM_GENERIC_ATOMIC_LONG_H/* * Copyright (C) 2005 Silicon Graphics, Inc. *	Christoph Lameter * * Allows to provide arch independent atomic definitions without the need to * edit all arch specific atomic.h files. */ #include <asm/types.h> /* * Suppport for atomic_long_t * * Casts for parameters are avoided for existing atomic functions in order to * avoid issues with cast-as-lval under gcc 4.x and other limitations that the * macros of a platform may have. */ #if BITS_PER_LONG == 64 typedef atomic64_t atomic_long_t; #define ATOMIC_LONG_INIT(i)	ATOMIC64_INIT(i)#define ATOMIC_LONG_PFX(x)	atomic64 ## x #else typedef atomic_t atomic_long_t; #define ATOMIC_LONG_INIT(i)	ATOMIC_INIT(i)#define ATOMIC_LONG_PFX(x)	atomic ## x #endif #define ATOMIC_LONG_READ_OP(mo)						\static inline long atomic_long_read##mo(const atomic_long_t *l)		\{									\	ATOMIC_LONG_PFX(_t) *v = (ATOMIC_LONG_PFX(_t) *)l;		\									\	return (long)ATOMIC_LONG_PFX(_read##mo)(v);			\}ATOMIC_LONG_READ_OP()ATOMIC_LONG_READ_OP(_acquire) #undef ATOMIC_LONG_READ_OP #define ATOMIC_LONG_SET_OP(mo)						\static inline void atomic_long_set##mo(atomic_long_t *l, long i)	\{									\	ATOMIC_LONG_PFX(_t) *v = (ATOMIC_LONG_PFX(_t) *)l;		\									\	ATOMIC_LONG_PFX(_set##mo)(v, i);				\}ATOMIC_LONG_SET_OP()ATOMIC_LONG_SET_OP(_release) #undef ATOMIC_LONG_SET_OP #define ATOMIC_LONG_ADD_SUB_OP(op, mo)					\static inline long							\atomic_long_##op##_return##mo(long i, atomic_long_t *l)			\{									\	ATOMIC_LONG_PFX(_t) *v = (ATOMIC_LONG_PFX(_t) *)l;		\									\	return (long)ATOMIC_LONG_PFX(_##op##_return##mo)(i, v);		\}ATOMIC_LONG_ADD_SUB_OP(add,)ATOMIC_LONG_ADD_SUB_OP(add, _relaxed)ATOMIC_LONG_ADD_SUB_OP(add, _acquire)ATOMIC_LONG_ADD_SUB_OP(add, _release)ATOMIC_LONG_ADD_SUB_OP(sub,)ATOMIC_LONG_ADD_SUB_OP(sub, _relaxed)ATOMIC_LONG_ADD_SUB_OP(sub, _acquire)ATOMIC_LONG_ADD_SUB_OP(sub, _release) #undef ATOMIC_LONG_ADD_SUB_OP #define atomic_long_cmpxchg_relaxed(l, old, new) \	(ATOMIC_LONG_PFX(_cmpxchg_relaxed)((ATOMIC_LONG_PFX(_t) *)(l), \					   (old), (new)))#define atomic_long_cmpxchg_acquire(l, old, new) \	(ATOMIC_LONG_PFX(_cmpxchg_acquire)((ATOMIC_LONG_PFX(_t) *)(l), \					   (old), (new)))#define atomic_long_cmpxchg_release(l, old, new) \	(ATOMIC_LONG_PFX(_cmpxchg_release)((ATOMIC_LONG_PFX(_t) *)(l), \					   (old), (new)))#define atomic_long_cmpxchg(l, old, new) \	(ATOMIC_LONG_PFX(_cmpxchg)((ATOMIC_LONG_PFX(_t) *)(l), (old), (new))) #define atomic_long_xchg_relaxed(v, new) \	(ATOMIC_LONG_PFX(_xchg_relaxed)((ATOMIC_LONG_PFX(_t) *)(v), (new)))#define atomic_long_xchg_acquire(v, new) \	(ATOMIC_LONG_PFX(_xchg_acquire)((ATOMIC_LONG_PFX(_t) *)(v), (new)))#define atomic_long_xchg_release(v, new) \	(ATOMIC_LONG_PFX(_xchg_release)((ATOMIC_LONG_PFX(_t) *)(v), (new)))#define atomic_long_xchg(v, new) \	(ATOMIC_LONG_PFX(_xchg)((ATOMIC_LONG_PFX(_t) *)(v), (new))) static __always_inline void atomic_long_inc(atomic_long_t *l){	ATOMIC_LONG_PFX(_t) *v = (ATOMIC_LONG_PFX(_t) *)l; 	ATOMIC_LONG_PFX(_inc)(v);} static __always_inline void atomic_long_dec(atomic_long_t *l){	ATOMIC_LONG_PFX(_t) *v = (ATOMIC_LONG_PFX(_t) *)l; 	ATOMIC_LONG_PFX(_dec)(v);} #define ATOMIC_LONG_FETCH_OP(op, mo)					\static inline long							\atomic_long_fetch_##op##mo(long i, atomic_long_t *l)			\{									\	ATOMIC_LONG_PFX(_t) *v = (ATOMIC_LONG_PFX(_t) *)l;		\									\	return (long)ATOMIC_LONG_PFX(_fetch_##op##mo)(i, v);		\} ATOMIC_LONG_FETCH_OP(add, )ATOMIC_LONG_FETCH_OP(add, _relaxed)ATOMIC_LONG_FETCH_OP(add, _acquire)ATOMIC_LONG_FETCH_OP(add, _release)ATOMIC_LONG_FETCH_OP(sub, )ATOMIC_LONG_FETCH_OP(sub, _relaxed)ATOMIC_LONG_FETCH_OP(sub, _acquire)ATOMIC_LONG_FETCH_OP(sub, _release)ATOMIC_LONG_FETCH_OP(and, )ATOMIC_LONG_FETCH_OP(and, _relaxed)ATOMIC_LONG_FETCH_OP(and, _acquire)ATOMIC_LONG_FETCH_OP(and, _release)ATOMIC_LONG_FETCH_OP(andnot, )ATOMIC_LONG_FETCH_OP(andnot, _relaxed)ATOMIC_LONG_FETCH_OP(andnot, _acquire)ATOMIC_LONG_FETCH_OP(andnot, _release)ATOMIC_LONG_FETCH_OP(or, )ATOMIC_LONG_FETCH_OP(or, _relaxed)ATOMIC_LONG_FETCH_OP(or, _acquire)ATOMIC_LONG_FETCH_OP(or, _release)ATOMIC_LONG_FETCH_OP(xor, )ATOMIC_LONG_FETCH_OP(xor, _relaxed)ATOMIC_LONG_FETCH_OP(xor, _acquire)ATOMIC_LONG_FETCH_OP(xor, _release) #undef ATOMIC_LONG_FETCH_OP #define ATOMIC_LONG_FETCH_INC_DEC_OP(op, mo)					\static inline long							\atomic_long_fetch_##op##mo(atomic_long_t *l)				\{									\	ATOMIC_LONG_PFX(_t) *v = (ATOMIC_LONG_PFX(_t) *)l;		\									\	return (long)ATOMIC_LONG_PFX(_fetch_##op##mo)(v);		\} ATOMIC_LONG_FETCH_INC_DEC_OP(inc,)ATOMIC_LONG_FETCH_INC_DEC_OP(inc, _relaxed)ATOMIC_LONG_FETCH_INC_DEC_OP(inc, _acquire)ATOMIC_LONG_FETCH_INC_DEC_OP(inc, _release)ATOMIC_LONG_FETCH_INC_DEC_OP(dec,)ATOMIC_LONG_FETCH_INC_DEC_OP(dec, _relaxed)ATOMIC_LONG_FETCH_INC_DEC_OP(dec, _acquire)ATOMIC_LONG_FETCH_INC_DEC_OP(dec, _release) #undef ATOMIC_LONG_FETCH_INC_DEC_OP #define ATOMIC_LONG_OP(op)						\static __always_inline void						\atomic_long_##op(long i, atomic_long_t *l)				\{									\	ATOMIC_LONG_PFX(_t) *v = (ATOMIC_LONG_PFX(_t) *)l;		\									\	ATOMIC_LONG_PFX(_##op)(i, v);					\} ATOMIC_LONG_OP(add)ATOMIC_LONG_OP(sub)ATOMIC_LONG_OP(and)ATOMIC_LONG_OP(andnot)ATOMIC_LONG_OP(or)ATOMIC_LONG_OP(xor) #undef ATOMIC_LONG_OP static inline int atomic_long_sub_and_test(long i, atomic_long_t *l){	ATOMIC_LONG_PFX(_t) *v = (ATOMIC_LONG_PFX(_t) *)l; 	return ATOMIC_LONG_PFX(_sub_and_test)(i, v);} static inline int atomic_long_dec_and_test(atomic_long_t *l){	ATOMIC_LONG_PFX(_t) *v = (ATOMIC_LONG_PFX(_t) *)l; 	return ATOMIC_LONG_PFX(_dec_and_test)(v);} static inline int atomic_long_inc_and_test(atomic_long_t *l){	ATOMIC_LONG_PFX(_t) *v = (ATOMIC_LONG_PFX(_t) *)l; 	return ATOMIC_LONG_PFX(_inc_and_test)(v);} static inline int atomic_long_add_negative(long i, atomic_long_t *l){	ATOMIC_LONG_PFX(_t) *v = (ATOMIC_LONG_PFX(_t) *)l; 	return ATOMIC_LONG_PFX(_add_negative)(i, v);} #define ATOMIC_LONG_INC_DEC_OP(op, mo)					\static inline long							\atomic_long_##op##_return##mo(atomic_long_t *l)				\{									\	ATOMIC_LONG_PFX(_t) *v = (ATOMIC_LONG_PFX(_t) *)l;		\									\	return (long)ATOMIC_LONG_PFX(_##op##_return##mo)(v);		\}ATOMIC_LONG_INC_DEC_OP(inc,)ATOMIC_LONG_INC_DEC_OP(inc, _relaxed)ATOMIC_LONG_INC_DEC_OP(inc, _acquire)ATOMIC_LONG_INC_DEC_OP(inc, _release)ATOMIC_LONG_INC_DEC_OP(dec,)ATOMIC_LONG_INC_DEC_OP(dec, _relaxed)ATOMIC_LONG_INC_DEC_OP(dec, _acquire)ATOMIC_LONG_INC_DEC_OP(dec, _release) #undef ATOMIC_LONG_INC_DEC_OP static inline long atomic_long_add_unless(atomic_long_t *l, long a, long u){	ATOMIC_LONG_PFX(_t) *v = (ATOMIC_LONG_PFX(_t) *)l; 	return (long)ATOMIC_LONG_PFX(_add_unless)(v, a, u);} #define atomic_long_inc_not_zero(l) \	ATOMIC_LONG_PFX(_inc_not_zero)((ATOMIC_LONG_PFX(_t) *)(l)) #endif  /*  _ASM_GENERIC_ATOMIC_LONG_H  */