1*22ce4affSfengbojiang /*- 2*22ce4affSfengbojiang * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3*22ce4affSfengbojiang * 4*22ce4affSfengbojiang * Copyright (c) 2019 Justin Hibbits 5*22ce4affSfengbojiang * 6*22ce4affSfengbojiang * Redistribution and use in source and binary forms, with or without 7*22ce4affSfengbojiang * modification, are permitted provided that the following conditions 8*22ce4affSfengbojiang * are met: 9*22ce4affSfengbojiang * 1. Redistributions of source code must retain the above copyright 10*22ce4affSfengbojiang * notice, this list of conditions and the following disclaimer. 11*22ce4affSfengbojiang * 2. Redistributions in binary form must reproduce the above copyright 12*22ce4affSfengbojiang * notice, this list of conditions and the following disclaimer in the 13*22ce4affSfengbojiang * documentation and/or other materials provided with the distribution. 14*22ce4affSfengbojiang * 15*22ce4affSfengbojiang * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16*22ce4affSfengbojiang * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17*22ce4affSfengbojiang * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18*22ce4affSfengbojiang * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19*22ce4affSfengbojiang * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20*22ce4affSfengbojiang * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21*22ce4affSfengbojiang * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22*22ce4affSfengbojiang * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23*22ce4affSfengbojiang * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24*22ce4affSfengbojiang * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25*22ce4affSfengbojiang * SUCH DAMAGE. 26*22ce4affSfengbojiang * 27*22ce4affSfengbojiang * $FreeBSD$ 28*22ce4affSfengbojiang */ 29*22ce4affSfengbojiang 30*22ce4affSfengbojiang #ifndef _SYS_ATOMIC64E_H_ 31*22ce4affSfengbojiang #define _SYS_ATOMIC64E_H_ 32*22ce4affSfengbojiang 33*22ce4affSfengbojiang #ifndef _MACHINE_ATOMIC_H_ 34*22ce4affSfengbojiang #error "This should not be included directly. Include <machine/atomic.h>" 35*22ce4affSfengbojiang #endif 36*22ce4affSfengbojiang 37*22ce4affSfengbojiang #ifdef _KERNEL 38*22ce4affSfengbojiang #define HAS_EMULATED_ATOMIC64 39*22ce4affSfengbojiang 40*22ce4affSfengbojiang /* Emulated versions of 64-bit atomic operations. */ 41*22ce4affSfengbojiang 42*22ce4affSfengbojiang void atomic_add_64(volatile u_int64_t *, u_int64_t); 43*22ce4affSfengbojiang #define atomic_add_acq_64 atomic_add_64 44*22ce4affSfengbojiang #define atomic_add_rel_64 atomic_add_64 45*22ce4affSfengbojiang 46*22ce4affSfengbojiang int atomic_cmpset_64(volatile u_int64_t *, u_int64_t, u_int64_t); 47*22ce4affSfengbojiang #define atomic_cmpset_acq_64 atomic_cmpset_64 48*22ce4affSfengbojiang #define atomic_cmpset_rel_64 atomic_cmpset_64 49*22ce4affSfengbojiang 50*22ce4affSfengbojiang void atomic_clear_64(volatile u_int64_t *, u_int64_t); 51*22ce4affSfengbojiang #define atomic_clear_acq_64 atomic_clear_64 52*22ce4affSfengbojiang #define atomic_clear_rel_64 atomic_clear_64 53*22ce4affSfengbojiang 54*22ce4affSfengbojiang int atomic_fcmpset_64(volatile u_int64_t *, u_int64_t *, u_int64_t); 55*22ce4affSfengbojiang #define atomic_fcmpset_acq_64 atomic_fcmpset_64 56*22ce4affSfengbojiang #define atomic_fcmpset_rel_64 atomic_fcmpset_64 57*22ce4affSfengbojiang 58*22ce4affSfengbojiang u_int64_t atomic_fetchadd_64(volatile u_int64_t *, u_int64_t); 59*22ce4affSfengbojiang 60*22ce4affSfengbojiang u_int64_t atomic_load_64(volatile u_int64_t *); 61*22ce4affSfengbojiang #define atomic_load_acq_64 atomic_load_64 62*22ce4affSfengbojiang 63*22ce4affSfengbojiang void atomic_readandclear_64(volatile u_int64_t *); 64*22ce4affSfengbojiang 65*22ce4affSfengbojiang void atomic_set_64(volatile u_int64_t *, u_int64_t); 66*22ce4affSfengbojiang #define atomic_set_acq_64 atomic_set_64 67*22ce4affSfengbojiang #define atomic_set_rel_64 atomic_set_64 68*22ce4affSfengbojiang 69*22ce4affSfengbojiang void atomic_subtract_64(volatile u_int64_t *, u_int64_t); 70*22ce4affSfengbojiang #define atomic_subtract_acq_64 atomic_subtract_64 71*22ce4affSfengbojiang #define atomic_subtract_rel_64 atomic_subtract_64 72*22ce4affSfengbojiang 73*22ce4affSfengbojiang void atomic_store_64(volatile u_int64_t *, u_int64_t); 74*22ce4affSfengbojiang #define atomic_store_rel_64 atomic_store_64 75*22ce4affSfengbojiang 76*22ce4affSfengbojiang u_int64_t atomic_swap_64(volatile u_int64_t *, u_int64_t); 77*22ce4affSfengbojiang 78*22ce4affSfengbojiang #endif /* _KERNEL */ 79*22ce4affSfengbojiang #endif /* _SYS_ATOMIC64E_H_ */ 80