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/* SPDX-License-Identifier: GPL-2.0 */
/* atomic.h: Thankfully the V9 is at least reasonable for this
* stuff.
*
* Copyright (C) 1996, 1997, 2000, 2012 David S. Miller (davem@redhat.com)
*/
#ifndef __ARCH_SPARC64_ATOMIC__
#define __ARCH_SPARC64_ATOMIC__
#include <linux/types.h>
#include <asm/cmpxchg.h>
#include <asm/barrier.h>
#define ATOMIC64_INIT(i) { (i) }
#define arch_atomic_read(v) READ_ONCE((v)->counter)
#define arch_atomic64_read(v) READ_ONCE((v)->counter)
#define arch_atomic_set(v, i) WRITE_ONCE(((v)->counter), (i))
#define arch_atomic64_set(v, i) WRITE_ONCE(((v)->counter), (i))
#define ATOMIC_OP(op) \
void arch_atomic_##op(int, atomic_t *); \
void arch_atomic64_##op(s64, atomic64_t *);
#define ATOMIC_OP_RETURN(op) \
int arch_atomic_##op##_return(int, atomic_t *); \
s64 arch_atomic64_##op##_return(s64, atomic64_t *);
#define ATOMIC_FETCH_OP(op) \
int arch_atomic_fetch_##op(int, atomic_t *); \
s64 arch_atomic64_fetch_##op(s64, atomic64_t *);
#define ATOMIC_OPS(op) ATOMIC_OP(op) ATOMIC_OP_RETURN(op) ATOMIC_FETCH_OP(op)
ATOMIC_OPS(add)
ATOMIC_OPS(sub)
#define arch_atomic_add_return arch_atomic_add_return
#define arch_atomic_sub_return arch_atomic_sub_return
#define arch_atomic_fetch_add arch_atomic_fetch_add
#define arch_atomic_fetch_sub arch_atomic_fetch_sub
#define arch_atomic64_add_return arch_atomic64_add_return
#define arch_atomic64_sub_return arch_atomic64_sub_return
#define arch_atomic64_fetch_add arch_atomic64_fetch_add
#define arch_atomic64_fetch_sub arch_atomic64_fetch_sub
#undef ATOMIC_OPS
#define ATOMIC_OPS(op) ATOMIC_OP(op) ATOMIC_FETCH_OP(op)
ATOMIC_OPS(and)
ATOMIC_OPS(or)
ATOMIC_OPS(xor)
#define arch_atomic_fetch_and arch_atomic_fetch_and
#define arch_atomic_fetch_or arch_atomic_fetch_or
#define arch_atomic_fetch_xor arch_atomic_fetch_xor
#define arch_atomic64_fetch_and arch_atomic64_fetch_and
#define arch_atomic64_fetch_or arch_atomic64_fetch_or
#define arch_atomic64_fetch_xor arch_atomic64_fetch_xor
#undef ATOMIC_OPS
#undef ATOMIC_FETCH_OP
#undef ATOMIC_OP_RETURN
#undef ATOMIC_OP
s64 arch_atomic64_dec_if_positive(atomic64_t *v);
#define arch_atomic64_dec_if_positive arch_atomic64_dec_if_positive
#endif /* !(__ARCH_SPARC64_ATOMIC__) */