1 /*- 2 * Copyright (c) 2010 Isilon Systems, Inc. 3 * Copyright (c) 2010 iX Systems, Inc. 4 * Copyright (c) 2010 Panasas, Inc. 5 * Copyright (c) 2013-2018 Mellanox Technologies, Ltd. 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice unmodified, this list of conditions, and the following 13 * disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 */ 29 30 #ifndef _LINUXKPI_ASM_ATOMIC_H_ 31 #define _LINUXKPI_ASM_ATOMIC_H_ 32 33 #include "los_atomic.h" 34 35 #ifdef __cplusplus 36 #if __cplusplus 37 extern "C" { 38 #endif /* __cplusplus */ 39 #endif /* __cplusplus */ 40 41 typedef Atomic atomic_t; 42 typedef Atomic64 atomic64_t; 43 44 #define ATOMIC_INIT(x) (x) 45 #define atomic_read(v) LOS_AtomicRead(v) 46 #define atomic_set(v, i) LOS_AtomicSet(v, i) 47 #define atomic_inc(v) LOS_AtomicInc(v) 48 #define atomic_dec(v) LOS_AtomicDec(v) 49 #define atomic_add(i, v) LOS_AtomicAdd(v, i) 50 #define atomic_sub(i, v) LOS_AtomicSub(v, i) 51 52 #define atomic_add_return(i, v) LOS_AtomicAdd(v, i) 53 #define atomic_inc_return(v) LOS_AtomicIncRet(v) 54 #define atomic_dec_return(v) LOS_AtomicDecRet(v) 55 #define atomic_dec_and_test(v) (atomic_dec_return(v) == 0) 56 57 #define ATOMIC64_INIT(x) (x) 58 #define atomic64_read(v) LOS_Atomic64Read(v) 59 #define atomic64_set(v, i) LOS_Atomic64Set(v, i) 60 #define atomic64_inc(v) LOS_Atomic64Inc(v) 61 #define atomic64_dec(v) LOS_Atomic64Dec(v) 62 #define atomic64_add(i, v) LOS_Atomic64Add(v, i) 63 #define atomic64_sub(i, v) LOS_Atomic64Sub(v, i) 64 65 #define atomic64_add_return(i, v) LOS_Atomic64Add(v, i) 66 #define atomic64_inc_return(v) LOS_Atomic64IncRet(v) 67 #define atomic64_dec_return(v) LOS_Atomic64DecRet(v) 68 #define atomic64_dec_and_test(v) (atomic64_dec_return(v) == 0) 69 70 #ifdef __cplusplus 71 #if __cplusplus 72 } 73 #endif /* __cplusplus */ 74 #endif /* __cplusplus */ 75 76 #endif /* _LINUXKPI_ASM_ATOMIC_H_ */ 77