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9#ifndef __ASM_ATOMIC_H
10#define __ASM_ATOMIC_H
11
12#include <linux/compiler.h>
13#include <linux/types.h>
14
15#include <asm/barrier.h>
16#include <asm/cmpxchg.h>
17#include <asm/lse.h>
18
19#define ATOMIC_OP(op) \
20static __always_inline void arch_##op(int i, atomic_t *v) \
21{ \
22 __lse_ll_sc_body(op, i, v); \
23}
24
25ATOMIC_OP(atomic_andnot)
26ATOMIC_OP(atomic_or)
27ATOMIC_OP(atomic_xor)
28ATOMIC_OP(atomic_add)
29ATOMIC_OP(atomic_and)
30ATOMIC_OP(atomic_sub)
31
32#undef ATOMIC_OP
33
34#define ATOMIC_FETCH_OP(name, op) \
35static __always_inline int arch_##op##name(int i, atomic_t *v) \
36{ \
37 return __lse_ll_sc_body(op##name, i, v); \
38}
39
40#define ATOMIC_FETCH_OPS(op) \
41 ATOMIC_FETCH_OP(_relaxed, op) \
42 ATOMIC_FETCH_OP(_acquire, op) \
43 ATOMIC_FETCH_OP(_release, op) \
44 ATOMIC_FETCH_OP( , op)
45
46ATOMIC_FETCH_OPS(atomic_fetch_andnot)
47ATOMIC_FETCH_OPS(atomic_fetch_or)
48ATOMIC_FETCH_OPS(atomic_fetch_xor)
49ATOMIC_FETCH_OPS(atomic_fetch_add)
50ATOMIC_FETCH_OPS(atomic_fetch_and)
51ATOMIC_FETCH_OPS(atomic_fetch_sub)
52ATOMIC_FETCH_OPS(atomic_add_return)
53ATOMIC_FETCH_OPS(atomic_sub_return)
54
55#undef ATOMIC_FETCH_OP
56#undef ATOMIC_FETCH_OPS
57
58#define ATOMIC64_OP(op) \
59static __always_inline void arch_##op(long i, atomic64_t *v) \
60{ \
61 __lse_ll_sc_body(op, i, v); \
62}
63
64ATOMIC64_OP(atomic64_andnot)
65ATOMIC64_OP(atomic64_or)
66ATOMIC64_OP(atomic64_xor)
67ATOMIC64_OP(atomic64_add)
68ATOMIC64_OP(atomic64_and)
69ATOMIC64_OP(atomic64_sub)
70
71#undef ATOMIC64_OP
72
73#define ATOMIC64_FETCH_OP(name, op) \
74static __always_inline long arch_##op##name(long i, atomic64_t *v) \
75{ \
76 return __lse_ll_sc_body(op##name, i, v); \
77}
78
79#define ATOMIC64_FETCH_OPS(op) \
80 ATOMIC64_FETCH_OP(_relaxed, op) \
81 ATOMIC64_FETCH_OP(_acquire, op) \
82 ATOMIC64_FETCH_OP(_release, op) \
83 ATOMIC64_FETCH_OP( , op)
84
85ATOMIC64_FETCH_OPS(atomic64_fetch_andnot)
86ATOMIC64_FETCH_OPS(atomic64_fetch_or)
87ATOMIC64_FETCH_OPS(atomic64_fetch_xor)
88ATOMIC64_FETCH_OPS(atomic64_fetch_add)
89ATOMIC64_FETCH_OPS(atomic64_fetch_and)
90ATOMIC64_FETCH_OPS(atomic64_fetch_sub)
91ATOMIC64_FETCH_OPS(atomic64_add_return)
92ATOMIC64_FETCH_OPS(atomic64_sub_return)
93
94#undef ATOMIC64_FETCH_OP
95#undef ATOMIC64_FETCH_OPS
96
97static __always_inline long arch_atomic64_dec_if_positive(atomic64_t *v)
98{
99 return __lse_ll_sc_body(atomic64_dec_if_positive, v);
100}
101
102#define arch_atomic_read(v) __READ_ONCE((v)->counter)
103#define arch_atomic_set(v, i) __WRITE_ONCE(((v)->counter), (i))
104
105#define arch_atomic_add_return_relaxed arch_atomic_add_return_relaxed
106#define arch_atomic_add_return_acquire arch_atomic_add_return_acquire
107#define arch_atomic_add_return_release arch_atomic_add_return_release
108#define arch_atomic_add_return arch_atomic_add_return
109
110#define arch_atomic_sub_return_relaxed arch_atomic_sub_return_relaxed
111#define arch_atomic_sub_return_acquire arch_atomic_sub_return_acquire
112#define arch_atomic_sub_return_release arch_atomic_sub_return_release
113#define arch_atomic_sub_return arch_atomic_sub_return
114
115#define arch_atomic_fetch_add_relaxed arch_atomic_fetch_add_relaxed
116#define arch_atomic_fetch_add_acquire arch_atomic_fetch_add_acquire
117#define arch_atomic_fetch_add_release arch_atomic_fetch_add_release
118#define arch_atomic_fetch_add arch_atomic_fetch_add
119
120#define arch_atomic_fetch_sub_relaxed arch_atomic_fetch_sub_relaxed
121#define arch_atomic_fetch_sub_acquire arch_atomic_fetch_sub_acquire
122#define arch_atomic_fetch_sub_release arch_atomic_fetch_sub_release
123#define arch_atomic_fetch_sub arch_atomic_fetch_sub
124
125#define arch_atomic_fetch_and_relaxed arch_atomic_fetch_and_relaxed
126#define arch_atomic_fetch_and_acquire arch_atomic_fetch_and_acquire
127#define arch_atomic_fetch_and_release arch_atomic_fetch_and_release
128#define arch_atomic_fetch_and arch_atomic_fetch_and
129
130#define arch_atomic_fetch_andnot_relaxed arch_atomic_fetch_andnot_relaxed
131#define arch_atomic_fetch_andnot_acquire arch_atomic_fetch_andnot_acquire
132#define arch_atomic_fetch_andnot_release arch_atomic_fetch_andnot_release
133#define arch_atomic_fetch_andnot arch_atomic_fetch_andnot
134
135#define arch_atomic_fetch_or_relaxed arch_atomic_fetch_or_relaxed
136#define arch_atomic_fetch_or_acquire arch_atomic_fetch_or_acquire
137#define arch_atomic_fetch_or_release arch_atomic_fetch_or_release
138#define arch_atomic_fetch_or arch_atomic_fetch_or
139
140#define arch_atomic_fetch_xor_relaxed arch_atomic_fetch_xor_relaxed
141#define arch_atomic_fetch_xor_acquire arch_atomic_fetch_xor_acquire
142#define arch_atomic_fetch_xor_release arch_atomic_fetch_xor_release
143#define arch_atomic_fetch_xor arch_atomic_fetch_xor
144
145#define arch_atomic_xchg_relaxed(v, new) \
146 arch_xchg_relaxed(&((v)->counter), (new))
147#define arch_atomic_xchg_acquire(v, new) \
148 arch_xchg_acquire(&((v)->counter), (new))
149#define arch_atomic_xchg_release(v, new) \
150 arch_xchg_release(&((v)->counter), (new))
151#define arch_atomic_xchg(v, new) \
152 arch_xchg(&((v)->counter), (new))
153
154#define arch_atomic_cmpxchg_relaxed(v, old, new) \
155 arch_cmpxchg_relaxed(&((v)->counter), (old), (new))
156#define arch_atomic_cmpxchg_acquire(v, old, new) \
157 arch_cmpxchg_acquire(&((v)->counter), (old), (new))
158#define arch_atomic_cmpxchg_release(v, old, new) \
159 arch_cmpxchg_release(&((v)->counter), (old), (new))
160#define arch_atomic_cmpxchg(v, old, new) \
161 arch_cmpxchg(&((v)->counter), (old), (new))
162
163#define arch_atomic_andnot arch_atomic_andnot
164
165
166
167
168#define ATOMIC64_INIT ATOMIC_INIT
169#define arch_atomic64_read arch_atomic_read
170#define arch_atomic64_set arch_atomic_set
171
172#define arch_atomic64_add_return_relaxed arch_atomic64_add_return_relaxed
173#define arch_atomic64_add_return_acquire arch_atomic64_add_return_acquire
174#define arch_atomic64_add_return_release arch_atomic64_add_return_release
175#define arch_atomic64_add_return arch_atomic64_add_return
176
177#define arch_atomic64_sub_return_relaxed arch_atomic64_sub_return_relaxed
178#define arch_atomic64_sub_return_acquire arch_atomic64_sub_return_acquire
179#define arch_atomic64_sub_return_release arch_atomic64_sub_return_release
180#define arch_atomic64_sub_return arch_atomic64_sub_return
181
182#define arch_atomic64_fetch_add_relaxed arch_atomic64_fetch_add_relaxed
183#define arch_atomic64_fetch_add_acquire arch_atomic64_fetch_add_acquire
184#define arch_atomic64_fetch_add_release arch_atomic64_fetch_add_release
185#define arch_atomic64_fetch_add arch_atomic64_fetch_add
186
187#define arch_atomic64_fetch_sub_relaxed arch_atomic64_fetch_sub_relaxed
188#define arch_atomic64_fetch_sub_acquire arch_atomic64_fetch_sub_acquire
189#define arch_atomic64_fetch_sub_release arch_atomic64_fetch_sub_release
190#define arch_atomic64_fetch_sub arch_atomic64_fetch_sub
191
192#define arch_atomic64_fetch_and_relaxed arch_atomic64_fetch_and_relaxed
193#define arch_atomic64_fetch_and_acquire arch_atomic64_fetch_and_acquire
194#define arch_atomic64_fetch_and_release arch_atomic64_fetch_and_release
195#define arch_atomic64_fetch_and arch_atomic64_fetch_and
196
197#define arch_atomic64_fetch_andnot_relaxed arch_atomic64_fetch_andnot_relaxed
198#define arch_atomic64_fetch_andnot_acquire arch_atomic64_fetch_andnot_acquire
199#define arch_atomic64_fetch_andnot_release arch_atomic64_fetch_andnot_release
200#define arch_atomic64_fetch_andnot arch_atomic64_fetch_andnot
201
202#define arch_atomic64_fetch_or_relaxed arch_atomic64_fetch_or_relaxed
203#define arch_atomic64_fetch_or_acquire arch_atomic64_fetch_or_acquire
204#define arch_atomic64_fetch_or_release arch_atomic64_fetch_or_release
205#define arch_atomic64_fetch_or arch_atomic64_fetch_or
206
207#define arch_atomic64_fetch_xor_relaxed arch_atomic64_fetch_xor_relaxed
208#define arch_atomic64_fetch_xor_acquire arch_atomic64_fetch_xor_acquire
209#define arch_atomic64_fetch_xor_release arch_atomic64_fetch_xor_release
210#define arch_atomic64_fetch_xor arch_atomic64_fetch_xor
211
212#define arch_atomic64_xchg_relaxed arch_atomic_xchg_relaxed
213#define arch_atomic64_xchg_acquire arch_atomic_xchg_acquire
214#define arch_atomic64_xchg_release arch_atomic_xchg_release
215#define arch_atomic64_xchg arch_atomic_xchg
216
217#define arch_atomic64_cmpxchg_relaxed arch_atomic_cmpxchg_relaxed
218#define arch_atomic64_cmpxchg_acquire arch_atomic_cmpxchg_acquire
219#define arch_atomic64_cmpxchg_release arch_atomic_cmpxchg_release
220#define arch_atomic64_cmpxchg arch_atomic_cmpxchg
221
222#define arch_atomic64_andnot arch_atomic64_andnot
223
224#define arch_atomic64_dec_if_positive arch_atomic64_dec_if_positive
225
226#endif
227
