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37f8173d PZ |
1 | // SPDX-License-Identifier: GPL-2.0 |
2 | ||
3 | // Generated by scripts/atomic/gen-atomic-fallback.sh | |
4 | // DO NOT MODIFY THIS FILE DIRECTLY | |
5 | ||
6 | #ifndef _LINUX_ATOMIC_FALLBACK_H | |
7 | #define _LINUX_ATOMIC_FALLBACK_H | |
8 | ||
9 | #include <linux/compiler.h> | |
10 | ||
11 | #ifndef arch_xchg_relaxed | |
29f006fd PZ |
12 | #define arch_xchg_acquire arch_xchg |
13 | #define arch_xchg_release arch_xchg | |
14 | #define arch_xchg_relaxed arch_xchg | |
37f8173d PZ |
15 | #else /* arch_xchg_relaxed */ |
16 | ||
17 | #ifndef arch_xchg_acquire | |
18 | #define arch_xchg_acquire(...) \ | |
19 | __atomic_op_acquire(arch_xchg, __VA_ARGS__) | |
20 | #endif | |
21 | ||
22 | #ifndef arch_xchg_release | |
23 | #define arch_xchg_release(...) \ | |
24 | __atomic_op_release(arch_xchg, __VA_ARGS__) | |
25 | #endif | |
26 | ||
27 | #ifndef arch_xchg | |
28 | #define arch_xchg(...) \ | |
29 | __atomic_op_fence(arch_xchg, __VA_ARGS__) | |
30 | #endif | |
31 | ||
32 | #endif /* arch_xchg_relaxed */ | |
33 | ||
34 | #ifndef arch_cmpxchg_relaxed | |
29f006fd PZ |
35 | #define arch_cmpxchg_acquire arch_cmpxchg |
36 | #define arch_cmpxchg_release arch_cmpxchg | |
37 | #define arch_cmpxchg_relaxed arch_cmpxchg | |
37f8173d PZ |
38 | #else /* arch_cmpxchg_relaxed */ |
39 | ||
40 | #ifndef arch_cmpxchg_acquire | |
41 | #define arch_cmpxchg_acquire(...) \ | |
42 | __atomic_op_acquire(arch_cmpxchg, __VA_ARGS__) | |
43 | #endif | |
44 | ||
45 | #ifndef arch_cmpxchg_release | |
46 | #define arch_cmpxchg_release(...) \ | |
47 | __atomic_op_release(arch_cmpxchg, __VA_ARGS__) | |
48 | #endif | |
49 | ||
50 | #ifndef arch_cmpxchg | |
51 | #define arch_cmpxchg(...) \ | |
52 | __atomic_op_fence(arch_cmpxchg, __VA_ARGS__) | |
53 | #endif | |
54 | ||
55 | #endif /* arch_cmpxchg_relaxed */ | |
56 | ||
57 | #ifndef arch_cmpxchg64_relaxed | |
29f006fd PZ |
58 | #define arch_cmpxchg64_acquire arch_cmpxchg64 |
59 | #define arch_cmpxchg64_release arch_cmpxchg64 | |
60 | #define arch_cmpxchg64_relaxed arch_cmpxchg64 | |
37f8173d PZ |
61 | #else /* arch_cmpxchg64_relaxed */ |
62 | ||
63 | #ifndef arch_cmpxchg64_acquire | |
64 | #define arch_cmpxchg64_acquire(...) \ | |
65 | __atomic_op_acquire(arch_cmpxchg64, __VA_ARGS__) | |
66 | #endif | |
67 | ||
68 | #ifndef arch_cmpxchg64_release | |
69 | #define arch_cmpxchg64_release(...) \ | |
70 | __atomic_op_release(arch_cmpxchg64, __VA_ARGS__) | |
71 | #endif | |
72 | ||
73 | #ifndef arch_cmpxchg64 | |
74 | #define arch_cmpxchg64(...) \ | |
75 | __atomic_op_fence(arch_cmpxchg64, __VA_ARGS__) | |
76 | #endif | |
77 | ||
78 | #endif /* arch_cmpxchg64_relaxed */ | |
79 | ||
29f006fd PZ |
80 | #ifndef arch_try_cmpxchg_relaxed |
81 | #ifdef arch_try_cmpxchg | |
82 | #define arch_try_cmpxchg_acquire arch_try_cmpxchg | |
83 | #define arch_try_cmpxchg_release arch_try_cmpxchg | |
84 | #define arch_try_cmpxchg_relaxed arch_try_cmpxchg | |
85 | #endif /* arch_try_cmpxchg */ | |
86 | ||
87 | #ifndef arch_try_cmpxchg | |
88 | #define arch_try_cmpxchg(_ptr, _oldp, _new) \ | |
89 | ({ \ | |
90 | typeof(*(_ptr)) *___op = (_oldp), ___o = *___op, ___r; \ | |
91 | ___r = arch_cmpxchg((_ptr), ___o, (_new)); \ | |
92 | if (unlikely(___r != ___o)) \ | |
93 | *___op = ___r; \ | |
94 | likely(___r == ___o); \ | |
95 | }) | |
96 | #endif /* arch_try_cmpxchg */ | |
97 | ||
98 | #ifndef arch_try_cmpxchg_acquire | |
99 | #define arch_try_cmpxchg_acquire(_ptr, _oldp, _new) \ | |
100 | ({ \ | |
101 | typeof(*(_ptr)) *___op = (_oldp), ___o = *___op, ___r; \ | |
102 | ___r = arch_cmpxchg_acquire((_ptr), ___o, (_new)); \ | |
103 | if (unlikely(___r != ___o)) \ | |
104 | *___op = ___r; \ | |
105 | likely(___r == ___o); \ | |
106 | }) | |
107 | #endif /* arch_try_cmpxchg_acquire */ | |
108 | ||
109 | #ifndef arch_try_cmpxchg_release | |
110 | #define arch_try_cmpxchg_release(_ptr, _oldp, _new) \ | |
111 | ({ \ | |
112 | typeof(*(_ptr)) *___op = (_oldp), ___o = *___op, ___r; \ | |
113 | ___r = arch_cmpxchg_release((_ptr), ___o, (_new)); \ | |
114 | if (unlikely(___r != ___o)) \ | |
115 | *___op = ___r; \ | |
116 | likely(___r == ___o); \ | |
117 | }) | |
118 | #endif /* arch_try_cmpxchg_release */ | |
119 | ||
120 | #ifndef arch_try_cmpxchg_relaxed | |
121 | #define arch_try_cmpxchg_relaxed(_ptr, _oldp, _new) \ | |
122 | ({ \ | |
123 | typeof(*(_ptr)) *___op = (_oldp), ___o = *___op, ___r; \ | |
124 | ___r = arch_cmpxchg_relaxed((_ptr), ___o, (_new)); \ | |
125 | if (unlikely(___r != ___o)) \ | |
126 | *___op = ___r; \ | |
127 | likely(___r == ___o); \ | |
128 | }) | |
129 | #endif /* arch_try_cmpxchg_relaxed */ | |
130 | ||
131 | #else /* arch_try_cmpxchg_relaxed */ | |
132 | ||
133 | #ifndef arch_try_cmpxchg_acquire | |
134 | #define arch_try_cmpxchg_acquire(...) \ | |
135 | __atomic_op_acquire(arch_try_cmpxchg, __VA_ARGS__) | |
136 | #endif | |
137 | ||
138 | #ifndef arch_try_cmpxchg_release | |
139 | #define arch_try_cmpxchg_release(...) \ | |
140 | __atomic_op_release(arch_try_cmpxchg, __VA_ARGS__) | |
141 | #endif | |
142 | ||
143 | #ifndef arch_try_cmpxchg | |
144 | #define arch_try_cmpxchg(...) \ | |
145 | __atomic_op_fence(arch_try_cmpxchg, __VA_ARGS__) | |
146 | #endif | |
147 | ||
148 | #endif /* arch_try_cmpxchg_relaxed */ | |
149 | ||
37f8173d PZ |
150 | #ifndef arch_atomic_read_acquire |
151 | static __always_inline int | |
152 | arch_atomic_read_acquire(const atomic_t *v) | |
153 | { | |
154 | return smp_load_acquire(&(v)->counter); | |
155 | } | |
156 | #define arch_atomic_read_acquire arch_atomic_read_acquire | |
157 | #endif | |
158 | ||
159 | #ifndef arch_atomic_set_release | |
160 | static __always_inline void | |
161 | arch_atomic_set_release(atomic_t *v, int i) | |
162 | { | |
163 | smp_store_release(&(v)->counter, i); | |
164 | } | |
165 | #define arch_atomic_set_release arch_atomic_set_release | |
166 | #endif | |
167 | ||
168 | #ifndef arch_atomic_add_return_relaxed | |
169 | #define arch_atomic_add_return_acquire arch_atomic_add_return | |
170 | #define arch_atomic_add_return_release arch_atomic_add_return | |
171 | #define arch_atomic_add_return_relaxed arch_atomic_add_return | |
172 | #else /* arch_atomic_add_return_relaxed */ | |
173 | ||
174 | #ifndef arch_atomic_add_return_acquire | |
175 | static __always_inline int | |
176 | arch_atomic_add_return_acquire(int i, atomic_t *v) | |
177 | { | |
178 | int ret = arch_atomic_add_return_relaxed(i, v); | |
179 | __atomic_acquire_fence(); | |
180 | return ret; | |
181 | } | |
182 | #define arch_atomic_add_return_acquire arch_atomic_add_return_acquire | |
183 | #endif | |
184 | ||
185 | #ifndef arch_atomic_add_return_release | |
186 | static __always_inline int | |
187 | arch_atomic_add_return_release(int i, atomic_t *v) | |
188 | { | |
189 | __atomic_release_fence(); | |
190 | return arch_atomic_add_return_relaxed(i, v); | |
191 | } | |
192 | #define arch_atomic_add_return_release arch_atomic_add_return_release | |
193 | #endif | |
194 | ||
195 | #ifndef arch_atomic_add_return | |
196 | static __always_inline int | |
197 | arch_atomic_add_return(int i, atomic_t *v) | |
198 | { | |
199 | int ret; | |
200 | __atomic_pre_full_fence(); | |
201 | ret = arch_atomic_add_return_relaxed(i, v); | |
202 | __atomic_post_full_fence(); | |
203 | return ret; | |
204 | } | |
205 | #define arch_atomic_add_return arch_atomic_add_return | |
206 | #endif | |
207 | ||
208 | #endif /* arch_atomic_add_return_relaxed */ | |
209 | ||
210 | #ifndef arch_atomic_fetch_add_relaxed | |
211 | #define arch_atomic_fetch_add_acquire arch_atomic_fetch_add | |
212 | #define arch_atomic_fetch_add_release arch_atomic_fetch_add | |
213 | #define arch_atomic_fetch_add_relaxed arch_atomic_fetch_add | |
214 | #else /* arch_atomic_fetch_add_relaxed */ | |
215 | ||
216 | #ifndef arch_atomic_fetch_add_acquire | |
217 | static __always_inline int | |
218 | arch_atomic_fetch_add_acquire(int i, atomic_t *v) | |
219 | { | |
220 | int ret = arch_atomic_fetch_add_relaxed(i, v); | |
221 | __atomic_acquire_fence(); | |
222 | return ret; | |
223 | } | |
224 | #define arch_atomic_fetch_add_acquire arch_atomic_fetch_add_acquire | |
225 | #endif | |
226 | ||
227 | #ifndef arch_atomic_fetch_add_release | |
228 | static __always_inline int | |
229 | arch_atomic_fetch_add_release(int i, atomic_t *v) | |
230 | { | |
231 | __atomic_release_fence(); | |
232 | return arch_atomic_fetch_add_relaxed(i, v); | |
233 | } | |
234 | #define arch_atomic_fetch_add_release arch_atomic_fetch_add_release | |
235 | #endif | |
236 | ||
237 | #ifndef arch_atomic_fetch_add | |
238 | static __always_inline int | |
239 | arch_atomic_fetch_add(int i, atomic_t *v) | |
240 | { | |
241 | int ret; | |
242 | __atomic_pre_full_fence(); | |
243 | ret = arch_atomic_fetch_add_relaxed(i, v); | |
244 | __atomic_post_full_fence(); | |
245 | return ret; | |
246 | } | |
247 | #define arch_atomic_fetch_add arch_atomic_fetch_add | |
248 | #endif | |
249 | ||
250 | #endif /* arch_atomic_fetch_add_relaxed */ | |
251 | ||
252 | #ifndef arch_atomic_sub_return_relaxed | |
253 | #define arch_atomic_sub_return_acquire arch_atomic_sub_return | |
254 | #define arch_atomic_sub_return_release arch_atomic_sub_return | |
255 | #define arch_atomic_sub_return_relaxed arch_atomic_sub_return | |
256 | #else /* arch_atomic_sub_return_relaxed */ | |
257 | ||
258 | #ifndef arch_atomic_sub_return_acquire | |
259 | static __always_inline int | |
260 | arch_atomic_sub_return_acquire(int i, atomic_t *v) | |
261 | { | |
262 | int ret = arch_atomic_sub_return_relaxed(i, v); | |
263 | __atomic_acquire_fence(); | |
264 | return ret; | |
265 | } | |
266 | #define arch_atomic_sub_return_acquire arch_atomic_sub_return_acquire | |
267 | #endif | |
268 | ||
269 | #ifndef arch_atomic_sub_return_release | |
270 | static __always_inline int | |
271 | arch_atomic_sub_return_release(int i, atomic_t *v) | |
272 | { | |
273 | __atomic_release_fence(); | |
274 | return arch_atomic_sub_return_relaxed(i, v); | |
275 | } | |
276 | #define arch_atomic_sub_return_release arch_atomic_sub_return_release | |
277 | #endif | |
278 | ||
279 | #ifndef arch_atomic_sub_return | |
280 | static __always_inline int | |
281 | arch_atomic_sub_return(int i, atomic_t *v) | |
282 | { | |
283 | int ret; | |
284 | __atomic_pre_full_fence(); | |
285 | ret = arch_atomic_sub_return_relaxed(i, v); | |
286 | __atomic_post_full_fence(); | |
287 | return ret; | |
288 | } | |
289 | #define arch_atomic_sub_return arch_atomic_sub_return | |
290 | #endif | |
291 | ||
292 | #endif /* arch_atomic_sub_return_relaxed */ | |
293 | ||
294 | #ifndef arch_atomic_fetch_sub_relaxed | |
295 | #define arch_atomic_fetch_sub_acquire arch_atomic_fetch_sub | |
296 | #define arch_atomic_fetch_sub_release arch_atomic_fetch_sub | |
297 | #define arch_atomic_fetch_sub_relaxed arch_atomic_fetch_sub | |
298 | #else /* arch_atomic_fetch_sub_relaxed */ | |
299 | ||
300 | #ifndef arch_atomic_fetch_sub_acquire | |
301 | static __always_inline int | |
302 | arch_atomic_fetch_sub_acquire(int i, atomic_t *v) | |
303 | { | |
304 | int ret = arch_atomic_fetch_sub_relaxed(i, v); | |
305 | __atomic_acquire_fence(); | |
306 | return ret; | |
307 | } | |
308 | #define arch_atomic_fetch_sub_acquire arch_atomic_fetch_sub_acquire | |
309 | #endif | |
310 | ||
311 | #ifndef arch_atomic_fetch_sub_release | |
312 | static __always_inline int | |
313 | arch_atomic_fetch_sub_release(int i, atomic_t *v) | |
314 | { | |
315 | __atomic_release_fence(); | |
316 | return arch_atomic_fetch_sub_relaxed(i, v); | |
317 | } | |
318 | #define arch_atomic_fetch_sub_release arch_atomic_fetch_sub_release | |
319 | #endif | |
320 | ||
321 | #ifndef arch_atomic_fetch_sub | |
322 | static __always_inline int | |
323 | arch_atomic_fetch_sub(int i, atomic_t *v) | |
324 | { | |
325 | int ret; | |
326 | __atomic_pre_full_fence(); | |
327 | ret = arch_atomic_fetch_sub_relaxed(i, v); | |
328 | __atomic_post_full_fence(); | |
329 | return ret; | |
330 | } | |
331 | #define arch_atomic_fetch_sub arch_atomic_fetch_sub | |
332 | #endif | |
333 | ||
334 | #endif /* arch_atomic_fetch_sub_relaxed */ | |
335 | ||
336 | #ifndef arch_atomic_inc | |
337 | static __always_inline void | |
338 | arch_atomic_inc(atomic_t *v) | |
339 | { | |
340 | arch_atomic_add(1, v); | |
341 | } | |
342 | #define arch_atomic_inc arch_atomic_inc | |
343 | #endif | |
344 | ||
345 | #ifndef arch_atomic_inc_return_relaxed | |
346 | #ifdef arch_atomic_inc_return | |
347 | #define arch_atomic_inc_return_acquire arch_atomic_inc_return | |
348 | #define arch_atomic_inc_return_release arch_atomic_inc_return | |
349 | #define arch_atomic_inc_return_relaxed arch_atomic_inc_return | |
350 | #endif /* arch_atomic_inc_return */ | |
351 | ||
352 | #ifndef arch_atomic_inc_return | |
353 | static __always_inline int | |
354 | arch_atomic_inc_return(atomic_t *v) | |
355 | { | |
356 | return arch_atomic_add_return(1, v); | |
357 | } | |
358 | #define arch_atomic_inc_return arch_atomic_inc_return | |
359 | #endif | |
360 | ||
361 | #ifndef arch_atomic_inc_return_acquire | |
362 | static __always_inline int | |
363 | arch_atomic_inc_return_acquire(atomic_t *v) | |
364 | { | |
365 | return arch_atomic_add_return_acquire(1, v); | |
366 | } | |
367 | #define arch_atomic_inc_return_acquire arch_atomic_inc_return_acquire | |
368 | #endif | |
369 | ||
370 | #ifndef arch_atomic_inc_return_release | |
371 | static __always_inline int | |
372 | arch_atomic_inc_return_release(atomic_t *v) | |
373 | { | |
374 | return arch_atomic_add_return_release(1, v); | |
375 | } | |
376 | #define arch_atomic_inc_return_release arch_atomic_inc_return_release | |
377 | #endif | |
378 | ||
379 | #ifndef arch_atomic_inc_return_relaxed | |
380 | static __always_inline int | |
381 | arch_atomic_inc_return_relaxed(atomic_t *v) | |
382 | { | |
383 | return arch_atomic_add_return_relaxed(1, v); | |
384 | } | |
385 | #define arch_atomic_inc_return_relaxed arch_atomic_inc_return_relaxed | |
386 | #endif | |
387 | ||
388 | #else /* arch_atomic_inc_return_relaxed */ | |
389 | ||
390 | #ifndef arch_atomic_inc_return_acquire | |
391 | static __always_inline int | |
392 | arch_atomic_inc_return_acquire(atomic_t *v) | |
393 | { | |
394 | int ret = arch_atomic_inc_return_relaxed(v); | |
395 | __atomic_acquire_fence(); | |
396 | return ret; | |
397 | } | |
398 | #define arch_atomic_inc_return_acquire arch_atomic_inc_return_acquire | |
399 | #endif | |
400 | ||
401 | #ifndef arch_atomic_inc_return_release | |
402 | static __always_inline int | |
403 | arch_atomic_inc_return_release(atomic_t *v) | |
404 | { | |
405 | __atomic_release_fence(); | |
406 | return arch_atomic_inc_return_relaxed(v); | |
407 | } | |
408 | #define arch_atomic_inc_return_release arch_atomic_inc_return_release | |
409 | #endif | |
410 | ||
411 | #ifndef arch_atomic_inc_return | |
412 | static __always_inline int | |
413 | arch_atomic_inc_return(atomic_t *v) | |
414 | { | |
415 | int ret; | |
416 | __atomic_pre_full_fence(); | |
417 | ret = arch_atomic_inc_return_relaxed(v); | |
418 | __atomic_post_full_fence(); | |
419 | return ret; | |
420 | } | |
421 | #define arch_atomic_inc_return arch_atomic_inc_return | |
422 | #endif | |
423 | ||
424 | #endif /* arch_atomic_inc_return_relaxed */ | |
425 | ||
426 | #ifndef arch_atomic_fetch_inc_relaxed | |
427 | #ifdef arch_atomic_fetch_inc | |
428 | #define arch_atomic_fetch_inc_acquire arch_atomic_fetch_inc | |
429 | #define arch_atomic_fetch_inc_release arch_atomic_fetch_inc | |
430 | #define arch_atomic_fetch_inc_relaxed arch_atomic_fetch_inc | |
431 | #endif /* arch_atomic_fetch_inc */ | |
432 | ||
433 | #ifndef arch_atomic_fetch_inc | |
434 | static __always_inline int | |
435 | arch_atomic_fetch_inc(atomic_t *v) | |
436 | { | |
437 | return arch_atomic_fetch_add(1, v); | |
438 | } | |
439 | #define arch_atomic_fetch_inc arch_atomic_fetch_inc | |
440 | #endif | |
441 | ||
442 | #ifndef arch_atomic_fetch_inc_acquire | |
443 | static __always_inline int | |
444 | arch_atomic_fetch_inc_acquire(atomic_t *v) | |
445 | { | |
446 | return arch_atomic_fetch_add_acquire(1, v); | |
447 | } | |
448 | #define arch_atomic_fetch_inc_acquire arch_atomic_fetch_inc_acquire | |
449 | #endif | |
450 | ||
451 | #ifndef arch_atomic_fetch_inc_release | |
452 | static __always_inline int | |
453 | arch_atomic_fetch_inc_release(atomic_t *v) | |
454 | { | |
455 | return arch_atomic_fetch_add_release(1, v); | |
456 | } | |
457 | #define arch_atomic_fetch_inc_release arch_atomic_fetch_inc_release | |
458 | #endif | |
459 | ||
460 | #ifndef arch_atomic_fetch_inc_relaxed | |
461 | static __always_inline int | |
462 | arch_atomic_fetch_inc_relaxed(atomic_t *v) | |
463 | { | |
464 | return arch_atomic_fetch_add_relaxed(1, v); | |
465 | } | |
466 | #define arch_atomic_fetch_inc_relaxed arch_atomic_fetch_inc_relaxed | |
467 | #endif | |
468 | ||
469 | #else /* arch_atomic_fetch_inc_relaxed */ | |
470 | ||
471 | #ifndef arch_atomic_fetch_inc_acquire | |
472 | static __always_inline int | |
473 | arch_atomic_fetch_inc_acquire(atomic_t *v) | |
474 | { | |
475 | int ret = arch_atomic_fetch_inc_relaxed(v); | |
476 | __atomic_acquire_fence(); | |
477 | return ret; | |
478 | } | |
479 | #define arch_atomic_fetch_inc_acquire arch_atomic_fetch_inc_acquire | |
480 | #endif | |
481 | ||
482 | #ifndef arch_atomic_fetch_inc_release | |
483 | static __always_inline int | |
484 | arch_atomic_fetch_inc_release(atomic_t *v) | |
485 | { | |
486 | __atomic_release_fence(); | |
487 | return arch_atomic_fetch_inc_relaxed(v); | |
488 | } | |
489 | #define arch_atomic_fetch_inc_release arch_atomic_fetch_inc_release | |
490 | #endif | |
491 | ||
492 | #ifndef arch_atomic_fetch_inc | |
493 | static __always_inline int | |
494 | arch_atomic_fetch_inc(atomic_t *v) | |
495 | { | |
496 | int ret; | |
497 | __atomic_pre_full_fence(); | |
498 | ret = arch_atomic_fetch_inc_relaxed(v); | |
499 | __atomic_post_full_fence(); | |
500 | return ret; | |
501 | } | |
502 | #define arch_atomic_fetch_inc arch_atomic_fetch_inc | |
503 | #endif | |
504 | ||
505 | #endif /* arch_atomic_fetch_inc_relaxed */ | |
506 | ||
507 | #ifndef arch_atomic_dec | |
508 | static __always_inline void | |
509 | arch_atomic_dec(atomic_t *v) | |
510 | { | |
511 | arch_atomic_sub(1, v); | |
512 | } | |
513 | #define arch_atomic_dec arch_atomic_dec | |
514 | #endif | |
515 | ||
516 | #ifndef arch_atomic_dec_return_relaxed | |
517 | #ifdef arch_atomic_dec_return | |
518 | #define arch_atomic_dec_return_acquire arch_atomic_dec_return | |
519 | #define arch_atomic_dec_return_release arch_atomic_dec_return | |
520 | #define arch_atomic_dec_return_relaxed arch_atomic_dec_return | |
521 | #endif /* arch_atomic_dec_return */ | |
522 | ||
523 | #ifndef arch_atomic_dec_return | |
524 | static __always_inline int | |
525 | arch_atomic_dec_return(atomic_t *v) | |
526 | { | |
527 | return arch_atomic_sub_return(1, v); | |
528 | } | |
529 | #define arch_atomic_dec_return arch_atomic_dec_return | |
530 | #endif | |
531 | ||
532 | #ifndef arch_atomic_dec_return_acquire | |
533 | static __always_inline int | |
534 | arch_atomic_dec_return_acquire(atomic_t *v) | |
535 | { | |
536 | return arch_atomic_sub_return_acquire(1, v); | |
537 | } | |
538 | #define arch_atomic_dec_return_acquire arch_atomic_dec_return_acquire | |
539 | #endif | |
540 | ||
541 | #ifndef arch_atomic_dec_return_release | |
542 | static __always_inline int | |
543 | arch_atomic_dec_return_release(atomic_t *v) | |
544 | { | |
545 | return arch_atomic_sub_return_release(1, v); | |
546 | } | |
547 | #define arch_atomic_dec_return_release arch_atomic_dec_return_release | |
548 | #endif | |
549 | ||
550 | #ifndef arch_atomic_dec_return_relaxed | |
551 | static __always_inline int | |
552 | arch_atomic_dec_return_relaxed(atomic_t *v) | |
553 | { | |
554 | return arch_atomic_sub_return_relaxed(1, v); | |
555 | } | |
556 | #define arch_atomic_dec_return_relaxed arch_atomic_dec_return_relaxed | |
557 | #endif | |
558 | ||
559 | #else /* arch_atomic_dec_return_relaxed */ | |
560 | ||
561 | #ifndef arch_atomic_dec_return_acquire | |
562 | static __always_inline int | |
563 | arch_atomic_dec_return_acquire(atomic_t *v) | |
564 | { | |
565 | int ret = arch_atomic_dec_return_relaxed(v); | |
566 | __atomic_acquire_fence(); | |
567 | return ret; | |
568 | } | |
569 | #define arch_atomic_dec_return_acquire arch_atomic_dec_return_acquire | |
570 | #endif | |
571 | ||
572 | #ifndef arch_atomic_dec_return_release | |
573 | static __always_inline int | |
574 | arch_atomic_dec_return_release(atomic_t *v) | |
575 | { | |
576 | __atomic_release_fence(); | |
577 | return arch_atomic_dec_return_relaxed(v); | |
578 | } | |
579 | #define arch_atomic_dec_return_release arch_atomic_dec_return_release | |
580 | #endif | |
581 | ||
582 | #ifndef arch_atomic_dec_return | |
583 | static __always_inline int | |
584 | arch_atomic_dec_return(atomic_t *v) | |
585 | { | |
586 | int ret; | |
587 | __atomic_pre_full_fence(); | |
588 | ret = arch_atomic_dec_return_relaxed(v); | |
589 | __atomic_post_full_fence(); | |
590 | return ret; | |
591 | } | |
592 | #define arch_atomic_dec_return arch_atomic_dec_return | |
593 | #endif | |
594 | ||
595 | #endif /* arch_atomic_dec_return_relaxed */ | |
596 | ||
597 | #ifndef arch_atomic_fetch_dec_relaxed | |
598 | #ifdef arch_atomic_fetch_dec | |
599 | #define arch_atomic_fetch_dec_acquire arch_atomic_fetch_dec | |
600 | #define arch_atomic_fetch_dec_release arch_atomic_fetch_dec | |
601 | #define arch_atomic_fetch_dec_relaxed arch_atomic_fetch_dec | |
602 | #endif /* arch_atomic_fetch_dec */ | |
603 | ||
604 | #ifndef arch_atomic_fetch_dec | |
605 | static __always_inline int | |
606 | arch_atomic_fetch_dec(atomic_t *v) | |
607 | { | |
608 | return arch_atomic_fetch_sub(1, v); | |
609 | } | |
610 | #define arch_atomic_fetch_dec arch_atomic_fetch_dec | |
611 | #endif | |
612 | ||
613 | #ifndef arch_atomic_fetch_dec_acquire | |
614 | static __always_inline int | |
615 | arch_atomic_fetch_dec_acquire(atomic_t *v) | |
616 | { | |
617 | return arch_atomic_fetch_sub_acquire(1, v); | |
618 | } | |
619 | #define arch_atomic_fetch_dec_acquire arch_atomic_fetch_dec_acquire | |
620 | #endif | |
621 | ||
622 | #ifndef arch_atomic_fetch_dec_release | |
623 | static __always_inline int | |
624 | arch_atomic_fetch_dec_release(atomic_t *v) | |
625 | { | |
626 | return arch_atomic_fetch_sub_release(1, v); | |
627 | } | |
628 | #define arch_atomic_fetch_dec_release arch_atomic_fetch_dec_release | |
629 | #endif | |
630 | ||
631 | #ifndef arch_atomic_fetch_dec_relaxed | |
632 | static __always_inline int | |
633 | arch_atomic_fetch_dec_relaxed(atomic_t *v) | |
634 | { | |
635 | return arch_atomic_fetch_sub_relaxed(1, v); | |
636 | } | |
637 | #define arch_atomic_fetch_dec_relaxed arch_atomic_fetch_dec_relaxed | |
638 | #endif | |
639 | ||
640 | #else /* arch_atomic_fetch_dec_relaxed */ | |
641 | ||
642 | #ifndef arch_atomic_fetch_dec_acquire | |
643 | static __always_inline int | |
644 | arch_atomic_fetch_dec_acquire(atomic_t *v) | |
645 | { | |
646 | int ret = arch_atomic_fetch_dec_relaxed(v); | |
647 | __atomic_acquire_fence(); | |
648 | return ret; | |
649 | } | |
650 | #define arch_atomic_fetch_dec_acquire arch_atomic_fetch_dec_acquire | |
651 | #endif | |
652 | ||
653 | #ifndef arch_atomic_fetch_dec_release | |
654 | static __always_inline int | |
655 | arch_atomic_fetch_dec_release(atomic_t *v) | |
656 | { | |
657 | __atomic_release_fence(); | |
658 | return arch_atomic_fetch_dec_relaxed(v); | |
659 | } | |
660 | #define arch_atomic_fetch_dec_release arch_atomic_fetch_dec_release | |
661 | #endif | |
662 | ||
663 | #ifndef arch_atomic_fetch_dec | |
664 | static __always_inline int | |
665 | arch_atomic_fetch_dec(atomic_t *v) | |
666 | { | |
667 | int ret; | |
668 | __atomic_pre_full_fence(); | |
669 | ret = arch_atomic_fetch_dec_relaxed(v); | |
670 | __atomic_post_full_fence(); | |
671 | return ret; | |
672 | } | |
673 | #define arch_atomic_fetch_dec arch_atomic_fetch_dec | |
674 | #endif | |
675 | ||
676 | #endif /* arch_atomic_fetch_dec_relaxed */ | |
677 | ||
678 | #ifndef arch_atomic_fetch_and_relaxed | |
679 | #define arch_atomic_fetch_and_acquire arch_atomic_fetch_and | |
680 | #define arch_atomic_fetch_and_release arch_atomic_fetch_and | |
681 | #define arch_atomic_fetch_and_relaxed arch_atomic_fetch_and | |
682 | #else /* arch_atomic_fetch_and_relaxed */ | |
683 | ||
684 | #ifndef arch_atomic_fetch_and_acquire | |
685 | static __always_inline int | |
686 | arch_atomic_fetch_and_acquire(int i, atomic_t *v) | |
687 | { | |
688 | int ret = arch_atomic_fetch_and_relaxed(i, v); | |
689 | __atomic_acquire_fence(); | |
690 | return ret; | |
691 | } | |
692 | #define arch_atomic_fetch_and_acquire arch_atomic_fetch_and_acquire | |
693 | #endif | |
694 | ||
695 | #ifndef arch_atomic_fetch_and_release | |
696 | static __always_inline int | |
697 | arch_atomic_fetch_and_release(int i, atomic_t *v) | |
698 | { | |
699 | __atomic_release_fence(); | |
700 | return arch_atomic_fetch_and_relaxed(i, v); | |
701 | } | |
702 | #define arch_atomic_fetch_and_release arch_atomic_fetch_and_release | |
703 | #endif | |
704 | ||
705 | #ifndef arch_atomic_fetch_and | |
706 | static __always_inline int | |
707 | arch_atomic_fetch_and(int i, atomic_t *v) | |
708 | { | |
709 | int ret; | |
710 | __atomic_pre_full_fence(); | |
711 | ret = arch_atomic_fetch_and_relaxed(i, v); | |
712 | __atomic_post_full_fence(); | |
713 | return ret; | |
714 | } | |
715 | #define arch_atomic_fetch_and arch_atomic_fetch_and | |
716 | #endif | |
717 | ||
718 | #endif /* arch_atomic_fetch_and_relaxed */ | |
719 | ||
720 | #ifndef arch_atomic_andnot | |
721 | static __always_inline void | |
722 | arch_atomic_andnot(int i, atomic_t *v) | |
723 | { | |
724 | arch_atomic_and(~i, v); | |
725 | } | |
726 | #define arch_atomic_andnot arch_atomic_andnot | |
727 | #endif | |
728 | ||
729 | #ifndef arch_atomic_fetch_andnot_relaxed | |
730 | #ifdef arch_atomic_fetch_andnot | |
731 | #define arch_atomic_fetch_andnot_acquire arch_atomic_fetch_andnot | |
732 | #define arch_atomic_fetch_andnot_release arch_atomic_fetch_andnot | |
733 | #define arch_atomic_fetch_andnot_relaxed arch_atomic_fetch_andnot | |
734 | #endif /* arch_atomic_fetch_andnot */ | |
735 | ||
736 | #ifndef arch_atomic_fetch_andnot | |
737 | static __always_inline int | |
738 | arch_atomic_fetch_andnot(int i, atomic_t *v) | |
739 | { | |
740 | return arch_atomic_fetch_and(~i, v); | |
741 | } | |
742 | #define arch_atomic_fetch_andnot arch_atomic_fetch_andnot | |
743 | #endif | |
744 | ||
745 | #ifndef arch_atomic_fetch_andnot_acquire | |
746 | static __always_inline int | |
747 | arch_atomic_fetch_andnot_acquire(int i, atomic_t *v) | |
748 | { | |
749 | return arch_atomic_fetch_and_acquire(~i, v); | |
750 | } | |
751 | #define arch_atomic_fetch_andnot_acquire arch_atomic_fetch_andnot_acquire | |
752 | #endif | |
753 | ||
754 | #ifndef arch_atomic_fetch_andnot_release | |
755 | static __always_inline int | |
756 | arch_atomic_fetch_andnot_release(int i, atomic_t *v) | |
757 | { | |
758 | return arch_atomic_fetch_and_release(~i, v); | |
759 | } | |
760 | #define arch_atomic_fetch_andnot_release arch_atomic_fetch_andnot_release | |
761 | #endif | |
762 | ||
763 | #ifndef arch_atomic_fetch_andnot_relaxed | |
764 | static __always_inline int | |
765 | arch_atomic_fetch_andnot_relaxed(int i, atomic_t *v) | |
766 | { | |
767 | return arch_atomic_fetch_and_relaxed(~i, v); | |
768 | } | |
769 | #define arch_atomic_fetch_andnot_relaxed arch_atomic_fetch_andnot_relaxed | |
770 | #endif | |
771 | ||
772 | #else /* arch_atomic_fetch_andnot_relaxed */ | |
773 | ||
774 | #ifndef arch_atomic_fetch_andnot_acquire | |
775 | static __always_inline int | |
776 | arch_atomic_fetch_andnot_acquire(int i, atomic_t *v) | |
777 | { | |
778 | int ret = arch_atomic_fetch_andnot_relaxed(i, v); | |
779 | __atomic_acquire_fence(); | |
780 | return ret; | |
781 | } | |
782 | #define arch_atomic_fetch_andnot_acquire arch_atomic_fetch_andnot_acquire | |
783 | #endif | |
784 | ||
785 | #ifndef arch_atomic_fetch_andnot_release | |
786 | static __always_inline int | |
787 | arch_atomic_fetch_andnot_release(int i, atomic_t *v) | |
788 | { | |
789 | __atomic_release_fence(); | |
790 | return arch_atomic_fetch_andnot_relaxed(i, v); | |
791 | } | |
792 | #define arch_atomic_fetch_andnot_release arch_atomic_fetch_andnot_release | |
793 | #endif | |
794 | ||
795 | #ifndef arch_atomic_fetch_andnot | |
796 | static __always_inline int | |
797 | arch_atomic_fetch_andnot(int i, atomic_t *v) | |
798 | { | |
799 | int ret; | |
800 | __atomic_pre_full_fence(); | |
801 | ret = arch_atomic_fetch_andnot_relaxed(i, v); | |
802 | __atomic_post_full_fence(); | |
803 | return ret; | |
804 | } | |
805 | #define arch_atomic_fetch_andnot arch_atomic_fetch_andnot | |
806 | #endif | |
807 | ||
808 | #endif /* arch_atomic_fetch_andnot_relaxed */ | |
809 | ||
810 | #ifndef arch_atomic_fetch_or_relaxed | |
811 | #define arch_atomic_fetch_or_acquire arch_atomic_fetch_or | |
812 | #define arch_atomic_fetch_or_release arch_atomic_fetch_or | |
813 | #define arch_atomic_fetch_or_relaxed arch_atomic_fetch_or | |
814 | #else /* arch_atomic_fetch_or_relaxed */ | |
815 | ||
816 | #ifndef arch_atomic_fetch_or_acquire | |
817 | static __always_inline int | |
818 | arch_atomic_fetch_or_acquire(int i, atomic_t *v) | |
819 | { | |
820 | int ret = arch_atomic_fetch_or_relaxed(i, v); | |
821 | __atomic_acquire_fence(); | |
822 | return ret; | |
823 | } | |
824 | #define arch_atomic_fetch_or_acquire arch_atomic_fetch_or_acquire | |
825 | #endif | |
826 | ||
827 | #ifndef arch_atomic_fetch_or_release | |
828 | static __always_inline int | |
829 | arch_atomic_fetch_or_release(int i, atomic_t *v) | |
830 | { | |
831 | __atomic_release_fence(); | |
832 | return arch_atomic_fetch_or_relaxed(i, v); | |
833 | } | |
834 | #define arch_atomic_fetch_or_release arch_atomic_fetch_or_release | |
835 | #endif | |
836 | ||
837 | #ifndef arch_atomic_fetch_or | |
838 | static __always_inline int | |
839 | arch_atomic_fetch_or(int i, atomic_t *v) | |
840 | { | |
841 | int ret; | |
842 | __atomic_pre_full_fence(); | |
843 | ret = arch_atomic_fetch_or_relaxed(i, v); | |
844 | __atomic_post_full_fence(); | |
845 | return ret; | |
846 | } | |
847 | #define arch_atomic_fetch_or arch_atomic_fetch_or | |
848 | #endif | |
849 | ||
850 | #endif /* arch_atomic_fetch_or_relaxed */ | |
851 | ||
852 | #ifndef arch_atomic_fetch_xor_relaxed | |
853 | #define arch_atomic_fetch_xor_acquire arch_atomic_fetch_xor | |
854 | #define arch_atomic_fetch_xor_release arch_atomic_fetch_xor | |
855 | #define arch_atomic_fetch_xor_relaxed arch_atomic_fetch_xor | |
856 | #else /* arch_atomic_fetch_xor_relaxed */ | |
857 | ||
858 | #ifndef arch_atomic_fetch_xor_acquire | |
859 | static __always_inline int | |
860 | arch_atomic_fetch_xor_acquire(int i, atomic_t *v) | |
861 | { | |
862 | int ret = arch_atomic_fetch_xor_relaxed(i, v); | |
863 | __atomic_acquire_fence(); | |
864 | return ret; | |
865 | } | |
866 | #define arch_atomic_fetch_xor_acquire arch_atomic_fetch_xor_acquire | |
867 | #endif | |
868 | ||
869 | #ifndef arch_atomic_fetch_xor_release | |
870 | static __always_inline int | |
871 | arch_atomic_fetch_xor_release(int i, atomic_t *v) | |
872 | { | |
873 | __atomic_release_fence(); | |
874 | return arch_atomic_fetch_xor_relaxed(i, v); | |
875 | } | |
876 | #define arch_atomic_fetch_xor_release arch_atomic_fetch_xor_release | |
877 | #endif | |
878 | ||
879 | #ifndef arch_atomic_fetch_xor | |
880 | static __always_inline int | |
881 | arch_atomic_fetch_xor(int i, atomic_t *v) | |
882 | { | |
883 | int ret; | |
884 | __atomic_pre_full_fence(); | |
885 | ret = arch_atomic_fetch_xor_relaxed(i, v); | |
886 | __atomic_post_full_fence(); | |
887 | return ret; | |
888 | } | |
889 | #define arch_atomic_fetch_xor arch_atomic_fetch_xor | |
890 | #endif | |
891 | ||
892 | #endif /* arch_atomic_fetch_xor_relaxed */ | |
893 | ||
894 | #ifndef arch_atomic_xchg_relaxed | |
895 | #define arch_atomic_xchg_acquire arch_atomic_xchg | |
896 | #define arch_atomic_xchg_release arch_atomic_xchg | |
897 | #define arch_atomic_xchg_relaxed arch_atomic_xchg | |
898 | #else /* arch_atomic_xchg_relaxed */ | |
899 | ||
900 | #ifndef arch_atomic_xchg_acquire | |
901 | static __always_inline int | |
902 | arch_atomic_xchg_acquire(atomic_t *v, int i) | |
903 | { | |
904 | int ret = arch_atomic_xchg_relaxed(v, i); | |
905 | __atomic_acquire_fence(); | |
906 | return ret; | |
907 | } | |
908 | #define arch_atomic_xchg_acquire arch_atomic_xchg_acquire | |
909 | #endif | |
910 | ||
911 | #ifndef arch_atomic_xchg_release | |
912 | static __always_inline int | |
913 | arch_atomic_xchg_release(atomic_t *v, int i) | |
914 | { | |
915 | __atomic_release_fence(); | |
916 | return arch_atomic_xchg_relaxed(v, i); | |
917 | } | |
918 | #define arch_atomic_xchg_release arch_atomic_xchg_release | |
919 | #endif | |
920 | ||
921 | #ifndef arch_atomic_xchg | |
922 | static __always_inline int | |
923 | arch_atomic_xchg(atomic_t *v, int i) | |
924 | { | |
925 | int ret; | |
926 | __atomic_pre_full_fence(); | |
927 | ret = arch_atomic_xchg_relaxed(v, i); | |
928 | __atomic_post_full_fence(); | |
929 | return ret; | |
930 | } | |
931 | #define arch_atomic_xchg arch_atomic_xchg | |
932 | #endif | |
933 | ||
934 | #endif /* arch_atomic_xchg_relaxed */ | |
935 | ||
936 | #ifndef arch_atomic_cmpxchg_relaxed | |
937 | #define arch_atomic_cmpxchg_acquire arch_atomic_cmpxchg | |
938 | #define arch_atomic_cmpxchg_release arch_atomic_cmpxchg | |
939 | #define arch_atomic_cmpxchg_relaxed arch_atomic_cmpxchg | |
940 | #else /* arch_atomic_cmpxchg_relaxed */ | |
941 | ||
942 | #ifndef arch_atomic_cmpxchg_acquire | |
943 | static __always_inline int | |
944 | arch_atomic_cmpxchg_acquire(atomic_t *v, int old, int new) | |
945 | { | |
946 | int ret = arch_atomic_cmpxchg_relaxed(v, old, new); | |
947 | __atomic_acquire_fence(); | |
948 | return ret; | |
949 | } | |
950 | #define arch_atomic_cmpxchg_acquire arch_atomic_cmpxchg_acquire | |
951 | #endif | |
952 | ||
953 | #ifndef arch_atomic_cmpxchg_release | |
954 | static __always_inline int | |
955 | arch_atomic_cmpxchg_release(atomic_t *v, int old, int new) | |
956 | { | |
957 | __atomic_release_fence(); | |
958 | return arch_atomic_cmpxchg_relaxed(v, old, new); | |
959 | } | |
960 | #define arch_atomic_cmpxchg_release arch_atomic_cmpxchg_release | |
961 | #endif | |
962 | ||
963 | #ifndef arch_atomic_cmpxchg | |
964 | static __always_inline int | |
965 | arch_atomic_cmpxchg(atomic_t *v, int old, int new) | |
966 | { | |
967 | int ret; | |
968 | __atomic_pre_full_fence(); | |
969 | ret = arch_atomic_cmpxchg_relaxed(v, old, new); | |
970 | __atomic_post_full_fence(); | |
971 | return ret; | |
972 | } | |
973 | #define arch_atomic_cmpxchg arch_atomic_cmpxchg | |
974 | #endif | |
975 | ||
976 | #endif /* arch_atomic_cmpxchg_relaxed */ | |
977 | ||
978 | #ifndef arch_atomic_try_cmpxchg_relaxed | |
979 | #ifdef arch_atomic_try_cmpxchg | |
980 | #define arch_atomic_try_cmpxchg_acquire arch_atomic_try_cmpxchg | |
981 | #define arch_atomic_try_cmpxchg_release arch_atomic_try_cmpxchg | |
982 | #define arch_atomic_try_cmpxchg_relaxed arch_atomic_try_cmpxchg | |
983 | #endif /* arch_atomic_try_cmpxchg */ | |
984 | ||
985 | #ifndef arch_atomic_try_cmpxchg | |
986 | static __always_inline bool | |
987 | arch_atomic_try_cmpxchg(atomic_t *v, int *old, int new) | |
988 | { | |
989 | int r, o = *old; | |
990 | r = arch_atomic_cmpxchg(v, o, new); | |
991 | if (unlikely(r != o)) | |
992 | *old = r; | |
993 | return likely(r == o); | |
994 | } | |
995 | #define arch_atomic_try_cmpxchg arch_atomic_try_cmpxchg | |
996 | #endif | |
997 | ||
998 | #ifndef arch_atomic_try_cmpxchg_acquire | |
999 | static __always_inline bool | |
1000 | arch_atomic_try_cmpxchg_acquire(atomic_t *v, int *old, int new) | |
1001 | { | |
1002 | int r, o = *old; | |
1003 | r = arch_atomic_cmpxchg_acquire(v, o, new); | |
1004 | if (unlikely(r != o)) | |
1005 | *old = r; | |
1006 | return likely(r == o); | |
1007 | } | |
1008 | #define arch_atomic_try_cmpxchg_acquire arch_atomic_try_cmpxchg_acquire | |
1009 | #endif | |
1010 | ||
1011 | #ifndef arch_atomic_try_cmpxchg_release | |
1012 | static __always_inline bool | |
1013 | arch_atomic_try_cmpxchg_release(atomic_t *v, int *old, int new) | |
1014 | { | |
1015 | int r, o = *old; | |
1016 | r = arch_atomic_cmpxchg_release(v, o, new); | |
1017 | if (unlikely(r != o)) | |
1018 | *old = r; | |
1019 | return likely(r == o); | |
1020 | } | |
1021 | #define arch_atomic_try_cmpxchg_release arch_atomic_try_cmpxchg_release | |
1022 | #endif | |
1023 | ||
1024 | #ifndef arch_atomic_try_cmpxchg_relaxed | |
1025 | static __always_inline bool | |
1026 | arch_atomic_try_cmpxchg_relaxed(atomic_t *v, int *old, int new) | |
1027 | { | |
1028 | int r, o = *old; | |
1029 | r = arch_atomic_cmpxchg_relaxed(v, o, new); | |
1030 | if (unlikely(r != o)) | |
1031 | *old = r; | |
1032 | return likely(r == o); | |
1033 | } | |
1034 | #define arch_atomic_try_cmpxchg_relaxed arch_atomic_try_cmpxchg_relaxed | |
1035 | #endif | |
1036 | ||
1037 | #else /* arch_atomic_try_cmpxchg_relaxed */ | |
1038 | ||
1039 | #ifndef arch_atomic_try_cmpxchg_acquire | |
1040 | static __always_inline bool | |
1041 | arch_atomic_try_cmpxchg_acquire(atomic_t *v, int *old, int new) | |
1042 | { | |
1043 | bool ret = arch_atomic_try_cmpxchg_relaxed(v, old, new); | |
1044 | __atomic_acquire_fence(); | |
1045 | return ret; | |
1046 | } | |
1047 | #define arch_atomic_try_cmpxchg_acquire arch_atomic_try_cmpxchg_acquire | |
1048 | #endif | |
1049 | ||
1050 | #ifndef arch_atomic_try_cmpxchg_release | |
1051 | static __always_inline bool | |
1052 | arch_atomic_try_cmpxchg_release(atomic_t *v, int *old, int new) | |
1053 | { | |
1054 | __atomic_release_fence(); | |
1055 | return arch_atomic_try_cmpxchg_relaxed(v, old, new); | |
1056 | } | |
1057 | #define arch_atomic_try_cmpxchg_release arch_atomic_try_cmpxchg_release | |
1058 | #endif | |
1059 | ||
1060 | #ifndef arch_atomic_try_cmpxchg | |
1061 | static __always_inline bool | |
1062 | arch_atomic_try_cmpxchg(atomic_t *v, int *old, int new) | |
1063 | { | |
1064 | bool ret; | |
1065 | __atomic_pre_full_fence(); | |
1066 | ret = arch_atomic_try_cmpxchg_relaxed(v, old, new); | |
1067 | __atomic_post_full_fence(); | |
1068 | return ret; | |
1069 | } | |
1070 | #define arch_atomic_try_cmpxchg arch_atomic_try_cmpxchg | |
1071 | #endif | |
1072 | ||
1073 | #endif /* arch_atomic_try_cmpxchg_relaxed */ | |
1074 | ||
1075 | #ifndef arch_atomic_sub_and_test | |
1076 | /** | |
1077 | * arch_atomic_sub_and_test - subtract value from variable and test result | |
1078 | * @i: integer value to subtract | |
1079 | * @v: pointer of type atomic_t | |
1080 | * | |
1081 | * Atomically subtracts @i from @v and returns | |
1082 | * true if the result is zero, or false for all | |
1083 | * other cases. | |
1084 | */ | |
1085 | static __always_inline bool | |
1086 | arch_atomic_sub_and_test(int i, atomic_t *v) | |
1087 | { | |
1088 | return arch_atomic_sub_return(i, v) == 0; | |
1089 | } | |
1090 | #define arch_atomic_sub_and_test arch_atomic_sub_and_test | |
1091 | #endif | |
1092 | ||
1093 | #ifndef arch_atomic_dec_and_test | |
1094 | /** | |
1095 | * arch_atomic_dec_and_test - decrement and test | |
1096 | * @v: pointer of type atomic_t | |
1097 | * | |
1098 | * Atomically decrements @v by 1 and | |
1099 | * returns true if the result is 0, or false for all other | |
1100 | * cases. | |
1101 | */ | |
1102 | static __always_inline bool | |
1103 | arch_atomic_dec_and_test(atomic_t *v) | |
1104 | { | |
1105 | return arch_atomic_dec_return(v) == 0; | |
1106 | } | |
1107 | #define arch_atomic_dec_and_test arch_atomic_dec_and_test | |
1108 | #endif | |
1109 | ||
1110 | #ifndef arch_atomic_inc_and_test | |
1111 | /** | |
1112 | * arch_atomic_inc_and_test - increment and test | |
1113 | * @v: pointer of type atomic_t | |
1114 | * | |
1115 | * Atomically increments @v by 1 | |
1116 | * and returns true if the result is zero, or false for all | |
1117 | * other cases. | |
1118 | */ | |
1119 | static __always_inline bool | |
1120 | arch_atomic_inc_and_test(atomic_t *v) | |
1121 | { | |
1122 | return arch_atomic_inc_return(v) == 0; | |
1123 | } | |
1124 | #define arch_atomic_inc_and_test arch_atomic_inc_and_test | |
1125 | #endif | |
1126 | ||
1127 | #ifndef arch_atomic_add_negative | |
1128 | /** | |
1129 | * arch_atomic_add_negative - add and test if negative | |
1130 | * @i: integer value to add | |
1131 | * @v: pointer of type atomic_t | |
1132 | * | |
1133 | * Atomically adds @i to @v and returns true | |
1134 | * if the result is negative, or false when | |
1135 | * result is greater than or equal to zero. | |
1136 | */ | |
1137 | static __always_inline bool | |
1138 | arch_atomic_add_negative(int i, atomic_t *v) | |
1139 | { | |
1140 | return arch_atomic_add_return(i, v) < 0; | |
1141 | } | |
1142 | #define arch_atomic_add_negative arch_atomic_add_negative | |
1143 | #endif | |
1144 | ||
1145 | #ifndef arch_atomic_fetch_add_unless | |
1146 | /** | |
1147 | * arch_atomic_fetch_add_unless - add unless the number is already a given value | |
1148 | * @v: pointer of type atomic_t | |
1149 | * @a: the amount to add to v... | |
1150 | * @u: ...unless v is equal to u. | |
1151 | * | |
1152 | * Atomically adds @a to @v, so long as @v was not already @u. | |
1153 | * Returns original value of @v | |
1154 | */ | |
1155 | static __always_inline int | |
1156 | arch_atomic_fetch_add_unless(atomic_t *v, int a, int u) | |
1157 | { | |
1158 | int c = arch_atomic_read(v); | |
1159 | ||
1160 | do { | |
1161 | if (unlikely(c == u)) | |
1162 | break; | |
1163 | } while (!arch_atomic_try_cmpxchg(v, &c, c + a)); | |
1164 | ||
1165 | return c; | |
1166 | } | |
1167 | #define arch_atomic_fetch_add_unless arch_atomic_fetch_add_unless | |
1168 | #endif | |
1169 | ||
1170 | #ifndef arch_atomic_add_unless | |
1171 | /** | |
1172 | * arch_atomic_add_unless - add unless the number is already a given value | |
1173 | * @v: pointer of type atomic_t | |
1174 | * @a: the amount to add to v... | |
1175 | * @u: ...unless v is equal to u. | |
1176 | * | |
1177 | * Atomically adds @a to @v, if @v was not already @u. | |
1178 | * Returns true if the addition was done. | |
1179 | */ | |
1180 | static __always_inline bool | |
1181 | arch_atomic_add_unless(atomic_t *v, int a, int u) | |
1182 | { | |
1183 | return arch_atomic_fetch_add_unless(v, a, u) != u; | |
1184 | } | |
1185 | #define arch_atomic_add_unless arch_atomic_add_unless | |
1186 | #endif | |
1187 | ||
1188 | #ifndef arch_atomic_inc_not_zero | |
1189 | /** | |
1190 | * arch_atomic_inc_not_zero - increment unless the number is zero | |
1191 | * @v: pointer of type atomic_t | |
1192 | * | |
1193 | * Atomically increments @v by 1, if @v is non-zero. | |
1194 | * Returns true if the increment was done. | |
1195 | */ | |
1196 | static __always_inline bool | |
1197 | arch_atomic_inc_not_zero(atomic_t *v) | |
1198 | { | |
1199 | return arch_atomic_add_unless(v, 1, 0); | |
1200 | } | |
1201 | #define arch_atomic_inc_not_zero arch_atomic_inc_not_zero | |
1202 | #endif | |
1203 | ||
1204 | #ifndef arch_atomic_inc_unless_negative | |
1205 | static __always_inline bool | |
1206 | arch_atomic_inc_unless_negative(atomic_t *v) | |
1207 | { | |
1208 | int c = arch_atomic_read(v); | |
1209 | ||
1210 | do { | |
1211 | if (unlikely(c < 0)) | |
1212 | return false; | |
1213 | } while (!arch_atomic_try_cmpxchg(v, &c, c + 1)); | |
1214 | ||
1215 | return true; | |
1216 | } | |
1217 | #define arch_atomic_inc_unless_negative arch_atomic_inc_unless_negative | |
1218 | #endif | |
1219 | ||
1220 | #ifndef arch_atomic_dec_unless_positive | |
1221 | static __always_inline bool | |
1222 | arch_atomic_dec_unless_positive(atomic_t *v) | |
1223 | { | |
1224 | int c = arch_atomic_read(v); | |
1225 | ||
1226 | do { | |
1227 | if (unlikely(c > 0)) | |
1228 | return false; | |
1229 | } while (!arch_atomic_try_cmpxchg(v, &c, c - 1)); | |
1230 | ||
1231 | return true; | |
1232 | } | |
1233 | #define arch_atomic_dec_unless_positive arch_atomic_dec_unless_positive | |
1234 | #endif | |
1235 | ||
1236 | #ifndef arch_atomic_dec_if_positive | |
1237 | static __always_inline int | |
1238 | arch_atomic_dec_if_positive(atomic_t *v) | |
1239 | { | |
1240 | int dec, c = arch_atomic_read(v); | |
1241 | ||
1242 | do { | |
1243 | dec = c - 1; | |
1244 | if (unlikely(dec < 0)) | |
1245 | break; | |
1246 | } while (!arch_atomic_try_cmpxchg(v, &c, dec)); | |
1247 | ||
1248 | return dec; | |
1249 | } | |
1250 | #define arch_atomic_dec_if_positive arch_atomic_dec_if_positive | |
1251 | #endif | |
1252 | ||
1253 | #ifdef CONFIG_GENERIC_ATOMIC64 | |
1254 | #include <asm-generic/atomic64.h> | |
1255 | #endif | |
1256 | ||
1257 | #ifndef arch_atomic64_read_acquire | |
1258 | static __always_inline s64 | |
1259 | arch_atomic64_read_acquire(const atomic64_t *v) | |
1260 | { | |
1261 | return smp_load_acquire(&(v)->counter); | |
1262 | } | |
1263 | #define arch_atomic64_read_acquire arch_atomic64_read_acquire | |
1264 | #endif | |
1265 | ||
1266 | #ifndef arch_atomic64_set_release | |
1267 | static __always_inline void | |
1268 | arch_atomic64_set_release(atomic64_t *v, s64 i) | |
1269 | { | |
1270 | smp_store_release(&(v)->counter, i); | |
1271 | } | |
1272 | #define arch_atomic64_set_release arch_atomic64_set_release | |
1273 | #endif | |
1274 | ||
1275 | #ifndef arch_atomic64_add_return_relaxed | |
1276 | #define arch_atomic64_add_return_acquire arch_atomic64_add_return | |
1277 | #define arch_atomic64_add_return_release arch_atomic64_add_return | |
1278 | #define arch_atomic64_add_return_relaxed arch_atomic64_add_return | |
1279 | #else /* arch_atomic64_add_return_relaxed */ | |
1280 | ||
1281 | #ifndef arch_atomic64_add_return_acquire | |
1282 | static __always_inline s64 | |
1283 | arch_atomic64_add_return_acquire(s64 i, atomic64_t *v) | |
1284 | { | |
1285 | s64 ret = arch_atomic64_add_return_relaxed(i, v); | |
1286 | __atomic_acquire_fence(); | |
1287 | return ret; | |
1288 | } | |
1289 | #define arch_atomic64_add_return_acquire arch_atomic64_add_return_acquire | |
1290 | #endif | |
1291 | ||
1292 | #ifndef arch_atomic64_add_return_release | |
1293 | static __always_inline s64 | |
1294 | arch_atomic64_add_return_release(s64 i, atomic64_t *v) | |
1295 | { | |
1296 | __atomic_release_fence(); | |
1297 | return arch_atomic64_add_return_relaxed(i, v); | |
1298 | } | |
1299 | #define arch_atomic64_add_return_release arch_atomic64_add_return_release | |
1300 | #endif | |
1301 | ||
1302 | #ifndef arch_atomic64_add_return | |
1303 | static __always_inline s64 | |
1304 | arch_atomic64_add_return(s64 i, atomic64_t *v) | |
1305 | { | |
1306 | s64 ret; | |
1307 | __atomic_pre_full_fence(); | |
1308 | ret = arch_atomic64_add_return_relaxed(i, v); | |
1309 | __atomic_post_full_fence(); | |
1310 | return ret; | |
1311 | } | |
1312 | #define arch_atomic64_add_return arch_atomic64_add_return | |
1313 | #endif | |
1314 | ||
1315 | #endif /* arch_atomic64_add_return_relaxed */ | |
1316 | ||
1317 | #ifndef arch_atomic64_fetch_add_relaxed | |
1318 | #define arch_atomic64_fetch_add_acquire arch_atomic64_fetch_add | |
1319 | #define arch_atomic64_fetch_add_release arch_atomic64_fetch_add | |
1320 | #define arch_atomic64_fetch_add_relaxed arch_atomic64_fetch_add | |
1321 | #else /* arch_atomic64_fetch_add_relaxed */ | |
1322 | ||
1323 | #ifndef arch_atomic64_fetch_add_acquire | |
1324 | static __always_inline s64 | |
1325 | arch_atomic64_fetch_add_acquire(s64 i, atomic64_t *v) | |
1326 | { | |
1327 | s64 ret = arch_atomic64_fetch_add_relaxed(i, v); | |
1328 | __atomic_acquire_fence(); | |
1329 | return ret; | |
1330 | } | |
1331 | #define arch_atomic64_fetch_add_acquire arch_atomic64_fetch_add_acquire | |
1332 | #endif | |
1333 | ||
1334 | #ifndef arch_atomic64_fetch_add_release | |
1335 | static __always_inline s64 | |
1336 | arch_atomic64_fetch_add_release(s64 i, atomic64_t *v) | |
1337 | { | |
1338 | __atomic_release_fence(); | |
1339 | return arch_atomic64_fetch_add_relaxed(i, v); | |
1340 | } | |
1341 | #define arch_atomic64_fetch_add_release arch_atomic64_fetch_add_release | |
1342 | #endif | |
1343 | ||
1344 | #ifndef arch_atomic64_fetch_add | |
1345 | static __always_inline s64 | |
1346 | arch_atomic64_fetch_add(s64 i, atomic64_t *v) | |
1347 | { | |
1348 | s64 ret; | |
1349 | __atomic_pre_full_fence(); | |
1350 | ret = arch_atomic64_fetch_add_relaxed(i, v); | |
1351 | __atomic_post_full_fence(); | |
1352 | return ret; | |
1353 | } | |
1354 | #define arch_atomic64_fetch_add arch_atomic64_fetch_add | |
1355 | #endif | |
1356 | ||
1357 | #endif /* arch_atomic64_fetch_add_relaxed */ | |
1358 | ||
1359 | #ifndef arch_atomic64_sub_return_relaxed | |
1360 | #define arch_atomic64_sub_return_acquire arch_atomic64_sub_return | |
1361 | #define arch_atomic64_sub_return_release arch_atomic64_sub_return | |
1362 | #define arch_atomic64_sub_return_relaxed arch_atomic64_sub_return | |
1363 | #else /* arch_atomic64_sub_return_relaxed */ | |
1364 | ||
1365 | #ifndef arch_atomic64_sub_return_acquire | |
1366 | static __always_inline s64 | |
1367 | arch_atomic64_sub_return_acquire(s64 i, atomic64_t *v) | |
1368 | { | |
1369 | s64 ret = arch_atomic64_sub_return_relaxed(i, v); | |
1370 | __atomic_acquire_fence(); | |
1371 | return ret; | |
1372 | } | |
1373 | #define arch_atomic64_sub_return_acquire arch_atomic64_sub_return_acquire | |
1374 | #endif | |
1375 | ||
1376 | #ifndef arch_atomic64_sub_return_release | |
1377 | static __always_inline s64 | |
1378 | arch_atomic64_sub_return_release(s64 i, atomic64_t *v) | |
1379 | { | |
1380 | __atomic_release_fence(); | |
1381 | return arch_atomic64_sub_return_relaxed(i, v); | |
1382 | } | |
1383 | #define arch_atomic64_sub_return_release arch_atomic64_sub_return_release | |
1384 | #endif | |
1385 | ||
1386 | #ifndef arch_atomic64_sub_return | |
1387 | static __always_inline s64 | |
1388 | arch_atomic64_sub_return(s64 i, atomic64_t *v) | |
1389 | { | |
1390 | s64 ret; | |
1391 | __atomic_pre_full_fence(); | |
1392 | ret = arch_atomic64_sub_return_relaxed(i, v); | |
1393 | __atomic_post_full_fence(); | |
1394 | return ret; | |
1395 | } | |
1396 | #define arch_atomic64_sub_return arch_atomic64_sub_return | |
1397 | #endif | |
1398 | ||
1399 | #endif /* arch_atomic64_sub_return_relaxed */ | |
1400 | ||
1401 | #ifndef arch_atomic64_fetch_sub_relaxed | |
1402 | #define arch_atomic64_fetch_sub_acquire arch_atomic64_fetch_sub | |
1403 | #define arch_atomic64_fetch_sub_release arch_atomic64_fetch_sub | |
1404 | #define arch_atomic64_fetch_sub_relaxed arch_atomic64_fetch_sub | |
1405 | #else /* arch_atomic64_fetch_sub_relaxed */ | |
1406 | ||
1407 | #ifndef arch_atomic64_fetch_sub_acquire | |
1408 | static __always_inline s64 | |
1409 | arch_atomic64_fetch_sub_acquire(s64 i, atomic64_t *v) | |
1410 | { | |
1411 | s64 ret = arch_atomic64_fetch_sub_relaxed(i, v); | |
1412 | __atomic_acquire_fence(); | |
1413 | return ret; | |
1414 | } | |
1415 | #define arch_atomic64_fetch_sub_acquire arch_atomic64_fetch_sub_acquire | |
1416 | #endif | |
1417 | ||
1418 | #ifndef arch_atomic64_fetch_sub_release | |
1419 | static __always_inline s64 | |
1420 | arch_atomic64_fetch_sub_release(s64 i, atomic64_t *v) | |
1421 | { | |
1422 | __atomic_release_fence(); | |
1423 | return arch_atomic64_fetch_sub_relaxed(i, v); | |
1424 | } | |
1425 | #define arch_atomic64_fetch_sub_release arch_atomic64_fetch_sub_release | |
1426 | #endif | |
1427 | ||
1428 | #ifndef arch_atomic64_fetch_sub | |
1429 | static __always_inline s64 | |
1430 | arch_atomic64_fetch_sub(s64 i, atomic64_t *v) | |
1431 | { | |
1432 | s64 ret; | |
1433 | __atomic_pre_full_fence(); | |
1434 | ret = arch_atomic64_fetch_sub_relaxed(i, v); | |
1435 | __atomic_post_full_fence(); | |
1436 | return ret; | |
1437 | } | |
1438 | #define arch_atomic64_fetch_sub arch_atomic64_fetch_sub | |
1439 | #endif | |
1440 | ||
1441 | #endif /* arch_atomic64_fetch_sub_relaxed */ | |
1442 | ||
1443 | #ifndef arch_atomic64_inc | |
1444 | static __always_inline void | |
1445 | arch_atomic64_inc(atomic64_t *v) | |
1446 | { | |
1447 | arch_atomic64_add(1, v); | |
1448 | } | |
1449 | #define arch_atomic64_inc arch_atomic64_inc | |
1450 | #endif | |
1451 | ||
1452 | #ifndef arch_atomic64_inc_return_relaxed | |
1453 | #ifdef arch_atomic64_inc_return | |
1454 | #define arch_atomic64_inc_return_acquire arch_atomic64_inc_return | |
1455 | #define arch_atomic64_inc_return_release arch_atomic64_inc_return | |
1456 | #define arch_atomic64_inc_return_relaxed arch_atomic64_inc_return | |
1457 | #endif /* arch_atomic64_inc_return */ | |
1458 | ||
1459 | #ifndef arch_atomic64_inc_return | |
1460 | static __always_inline s64 | |
1461 | arch_atomic64_inc_return(atomic64_t *v) | |
1462 | { | |
1463 | return arch_atomic64_add_return(1, v); | |
1464 | } | |
1465 | #define arch_atomic64_inc_return arch_atomic64_inc_return | |
1466 | #endif | |
1467 | ||
1468 | #ifndef arch_atomic64_inc_return_acquire | |
1469 | static __always_inline s64 | |
1470 | arch_atomic64_inc_return_acquire(atomic64_t *v) | |
1471 | { | |
1472 | return arch_atomic64_add_return_acquire(1, v); | |
1473 | } | |
1474 | #define arch_atomic64_inc_return_acquire arch_atomic64_inc_return_acquire | |
1475 | #endif | |
1476 | ||
1477 | #ifndef arch_atomic64_inc_return_release | |
1478 | static __always_inline s64 | |
1479 | arch_atomic64_inc_return_release(atomic64_t *v) | |
1480 | { | |
1481 | return arch_atomic64_add_return_release(1, v); | |
1482 | } | |
1483 | #define arch_atomic64_inc_return_release arch_atomic64_inc_return_release | |
1484 | #endif | |
1485 | ||
1486 | #ifndef arch_atomic64_inc_return_relaxed | |
1487 | static __always_inline s64 | |
1488 | arch_atomic64_inc_return_relaxed(atomic64_t *v) | |
1489 | { | |
1490 | return arch_atomic64_add_return_relaxed(1, v); | |
1491 | } | |
1492 | #define arch_atomic64_inc_return_relaxed arch_atomic64_inc_return_relaxed | |
1493 | #endif | |
1494 | ||
1495 | #else /* arch_atomic64_inc_return_relaxed */ | |
1496 | ||
1497 | #ifndef arch_atomic64_inc_return_acquire | |
1498 | static __always_inline s64 | |
1499 | arch_atomic64_inc_return_acquire(atomic64_t *v) | |
1500 | { | |
1501 | s64 ret = arch_atomic64_inc_return_relaxed(v); | |
1502 | __atomic_acquire_fence(); | |
1503 | return ret; | |
1504 | } | |
1505 | #define arch_atomic64_inc_return_acquire arch_atomic64_inc_return_acquire | |
1506 | #endif | |
1507 | ||
1508 | #ifndef arch_atomic64_inc_return_release | |
1509 | static __always_inline s64 | |
1510 | arch_atomic64_inc_return_release(atomic64_t *v) | |
1511 | { | |
1512 | __atomic_release_fence(); | |
1513 | return arch_atomic64_inc_return_relaxed(v); | |
1514 | } | |
1515 | #define arch_atomic64_inc_return_release arch_atomic64_inc_return_release | |
1516 | #endif | |
1517 | ||
1518 | #ifndef arch_atomic64_inc_return | |
1519 | static __always_inline s64 | |
1520 | arch_atomic64_inc_return(atomic64_t *v) | |
1521 | { | |
1522 | s64 ret; | |
1523 | __atomic_pre_full_fence(); | |
1524 | ret = arch_atomic64_inc_return_relaxed(v); | |
1525 | __atomic_post_full_fence(); | |
1526 | return ret; | |
1527 | } | |
1528 | #define arch_atomic64_inc_return arch_atomic64_inc_return | |
1529 | #endif | |
1530 | ||
1531 | #endif /* arch_atomic64_inc_return_relaxed */ | |
1532 | ||
1533 | #ifndef arch_atomic64_fetch_inc_relaxed | |
1534 | #ifdef arch_atomic64_fetch_inc | |
1535 | #define arch_atomic64_fetch_inc_acquire arch_atomic64_fetch_inc | |
1536 | #define arch_atomic64_fetch_inc_release arch_atomic64_fetch_inc | |
1537 | #define arch_atomic64_fetch_inc_relaxed arch_atomic64_fetch_inc | |
1538 | #endif /* arch_atomic64_fetch_inc */ | |
1539 | ||
1540 | #ifndef arch_atomic64_fetch_inc | |
1541 | static __always_inline s64 | |
1542 | arch_atomic64_fetch_inc(atomic64_t *v) | |
1543 | { | |
1544 | return arch_atomic64_fetch_add(1, v); | |
1545 | } | |
1546 | #define arch_atomic64_fetch_inc arch_atomic64_fetch_inc | |
1547 | #endif | |
1548 | ||
1549 | #ifndef arch_atomic64_fetch_inc_acquire | |
1550 | static __always_inline s64 | |
1551 | arch_atomic64_fetch_inc_acquire(atomic64_t *v) | |
1552 | { | |
1553 | return arch_atomic64_fetch_add_acquire(1, v); | |
1554 | } | |
1555 | #define arch_atomic64_fetch_inc_acquire arch_atomic64_fetch_inc_acquire | |
1556 | #endif | |
1557 | ||
1558 | #ifndef arch_atomic64_fetch_inc_release | |
1559 | static __always_inline s64 | |
1560 | arch_atomic64_fetch_inc_release(atomic64_t *v) | |
1561 | { | |
1562 | return arch_atomic64_fetch_add_release(1, v); | |
1563 | } | |
1564 | #define arch_atomic64_fetch_inc_release arch_atomic64_fetch_inc_release | |
1565 | #endif | |
1566 | ||
1567 | #ifndef arch_atomic64_fetch_inc_relaxed | |
1568 | static __always_inline s64 | |
1569 | arch_atomic64_fetch_inc_relaxed(atomic64_t *v) | |
1570 | { | |
1571 | return arch_atomic64_fetch_add_relaxed(1, v); | |
1572 | } | |
1573 | #define arch_atomic64_fetch_inc_relaxed arch_atomic64_fetch_inc_relaxed | |
1574 | #endif | |
1575 | ||
1576 | #else /* arch_atomic64_fetch_inc_relaxed */ | |
1577 | ||
1578 | #ifndef arch_atomic64_fetch_inc_acquire | |
1579 | static __always_inline s64 | |
1580 | arch_atomic64_fetch_inc_acquire(atomic64_t *v) | |
1581 | { | |
1582 | s64 ret = arch_atomic64_fetch_inc_relaxed(v); | |
1583 | __atomic_acquire_fence(); | |
1584 | return ret; | |
1585 | } | |
1586 | #define arch_atomic64_fetch_inc_acquire arch_atomic64_fetch_inc_acquire | |
1587 | #endif | |
1588 | ||
1589 | #ifndef arch_atomic64_fetch_inc_release | |
1590 | static __always_inline s64 | |
1591 | arch_atomic64_fetch_inc_release(atomic64_t *v) | |
1592 | { | |
1593 | __atomic_release_fence(); | |
1594 | return arch_atomic64_fetch_inc_relaxed(v); | |
1595 | } | |
1596 | #define arch_atomic64_fetch_inc_release arch_atomic64_fetch_inc_release | |
1597 | #endif | |
1598 | ||
1599 | #ifndef arch_atomic64_fetch_inc | |
1600 | static __always_inline s64 | |
1601 | arch_atomic64_fetch_inc(atomic64_t *v) | |
1602 | { | |
1603 | s64 ret; | |
1604 | __atomic_pre_full_fence(); | |
1605 | ret = arch_atomic64_fetch_inc_relaxed(v); | |
1606 | __atomic_post_full_fence(); | |
1607 | return ret; | |
1608 | } | |
1609 | #define arch_atomic64_fetch_inc arch_atomic64_fetch_inc | |
1610 | #endif | |
1611 | ||
1612 | #endif /* arch_atomic64_fetch_inc_relaxed */ | |
1613 | ||
1614 | #ifndef arch_atomic64_dec | |
1615 | static __always_inline void | |
1616 | arch_atomic64_dec(atomic64_t *v) | |
1617 | { | |
1618 | arch_atomic64_sub(1, v); | |
1619 | } | |
1620 | #define arch_atomic64_dec arch_atomic64_dec | |
1621 | #endif | |
1622 | ||
1623 | #ifndef arch_atomic64_dec_return_relaxed | |
1624 | #ifdef arch_atomic64_dec_return | |
1625 | #define arch_atomic64_dec_return_acquire arch_atomic64_dec_return | |
1626 | #define arch_atomic64_dec_return_release arch_atomic64_dec_return | |
1627 | #define arch_atomic64_dec_return_relaxed arch_atomic64_dec_return | |
1628 | #endif /* arch_atomic64_dec_return */ | |
1629 | ||
1630 | #ifndef arch_atomic64_dec_return | |
1631 | static __always_inline s64 | |
1632 | arch_atomic64_dec_return(atomic64_t *v) | |
1633 | { | |
1634 | return arch_atomic64_sub_return(1, v); | |
1635 | } | |
1636 | #define arch_atomic64_dec_return arch_atomic64_dec_return | |
1637 | #endif | |
1638 | ||
1639 | #ifndef arch_atomic64_dec_return_acquire | |
1640 | static __always_inline s64 | |
1641 | arch_atomic64_dec_return_acquire(atomic64_t *v) | |
1642 | { | |
1643 | return arch_atomic64_sub_return_acquire(1, v); | |
1644 | } | |
1645 | #define arch_atomic64_dec_return_acquire arch_atomic64_dec_return_acquire | |
1646 | #endif | |
1647 | ||
1648 | #ifndef arch_atomic64_dec_return_release | |
1649 | static __always_inline s64 | |
1650 | arch_atomic64_dec_return_release(atomic64_t *v) | |
1651 | { | |
1652 | return arch_atomic64_sub_return_release(1, v); | |
1653 | } | |
1654 | #define arch_atomic64_dec_return_release arch_atomic64_dec_return_release | |
1655 | #endif | |
1656 | ||
1657 | #ifndef arch_atomic64_dec_return_relaxed | |
1658 | static __always_inline s64 | |
1659 | arch_atomic64_dec_return_relaxed(atomic64_t *v) | |
1660 | { | |
1661 | return arch_atomic64_sub_return_relaxed(1, v); | |
1662 | } | |
1663 | #define arch_atomic64_dec_return_relaxed arch_atomic64_dec_return_relaxed | |
1664 | #endif | |
1665 | ||
1666 | #else /* arch_atomic64_dec_return_relaxed */ | |
1667 | ||
1668 | #ifndef arch_atomic64_dec_return_acquire | |
1669 | static __always_inline s64 | |
1670 | arch_atomic64_dec_return_acquire(atomic64_t *v) | |
1671 | { | |
1672 | s64 ret = arch_atomic64_dec_return_relaxed(v); | |
1673 | __atomic_acquire_fence(); | |
1674 | return ret; | |
1675 | } | |
1676 | #define arch_atomic64_dec_return_acquire arch_atomic64_dec_return_acquire | |
1677 | #endif | |
1678 | ||
1679 | #ifndef arch_atomic64_dec_return_release | |
1680 | static __always_inline s64 | |
1681 | arch_atomic64_dec_return_release(atomic64_t *v) | |
1682 | { | |
1683 | __atomic_release_fence(); | |
1684 | return arch_atomic64_dec_return_relaxed(v); | |
1685 | } | |
1686 | #define arch_atomic64_dec_return_release arch_atomic64_dec_return_release | |
1687 | #endif | |
1688 | ||
1689 | #ifndef arch_atomic64_dec_return | |
1690 | static __always_inline s64 | |
1691 | arch_atomic64_dec_return(atomic64_t *v) | |
1692 | { | |
1693 | s64 ret; | |
1694 | __atomic_pre_full_fence(); | |
1695 | ret = arch_atomic64_dec_return_relaxed(v); | |
1696 | __atomic_post_full_fence(); | |
1697 | return ret; | |
1698 | } | |
1699 | #define arch_atomic64_dec_return arch_atomic64_dec_return | |
1700 | #endif | |
1701 | ||
1702 | #endif /* arch_atomic64_dec_return_relaxed */ | |
1703 | ||
1704 | #ifndef arch_atomic64_fetch_dec_relaxed | |
1705 | #ifdef arch_atomic64_fetch_dec | |
1706 | #define arch_atomic64_fetch_dec_acquire arch_atomic64_fetch_dec | |
1707 | #define arch_atomic64_fetch_dec_release arch_atomic64_fetch_dec | |
1708 | #define arch_atomic64_fetch_dec_relaxed arch_atomic64_fetch_dec | |
1709 | #endif /* arch_atomic64_fetch_dec */ | |
1710 | ||
1711 | #ifndef arch_atomic64_fetch_dec | |
1712 | static __always_inline s64 | |
1713 | arch_atomic64_fetch_dec(atomic64_t *v) | |
1714 | { | |
1715 | return arch_atomic64_fetch_sub(1, v); | |
1716 | } | |
1717 | #define arch_atomic64_fetch_dec arch_atomic64_fetch_dec | |
1718 | #endif | |
1719 | ||
1720 | #ifndef arch_atomic64_fetch_dec_acquire | |
1721 | static __always_inline s64 | |
1722 | arch_atomic64_fetch_dec_acquire(atomic64_t *v) | |
1723 | { | |
1724 | return arch_atomic64_fetch_sub_acquire(1, v); | |
1725 | } | |
1726 | #define arch_atomic64_fetch_dec_acquire arch_atomic64_fetch_dec_acquire | |
1727 | #endif | |
1728 | ||
1729 | #ifndef arch_atomic64_fetch_dec_release | |
1730 | static __always_inline s64 | |
1731 | arch_atomic64_fetch_dec_release(atomic64_t *v) | |
1732 | { | |
1733 | return arch_atomic64_fetch_sub_release(1, v); | |
1734 | } | |
1735 | #define arch_atomic64_fetch_dec_release arch_atomic64_fetch_dec_release | |
1736 | #endif | |
1737 | ||
1738 | #ifndef arch_atomic64_fetch_dec_relaxed | |
1739 | static __always_inline s64 | |
1740 | arch_atomic64_fetch_dec_relaxed(atomic64_t *v) | |
1741 | { | |
1742 | return arch_atomic64_fetch_sub_relaxed(1, v); | |
1743 | } | |
1744 | #define arch_atomic64_fetch_dec_relaxed arch_atomic64_fetch_dec_relaxed | |
1745 | #endif | |
1746 | ||
1747 | #else /* arch_atomic64_fetch_dec_relaxed */ | |
1748 | ||
1749 | #ifndef arch_atomic64_fetch_dec_acquire | |
1750 | static __always_inline s64 | |
1751 | arch_atomic64_fetch_dec_acquire(atomic64_t *v) | |
1752 | { | |
1753 | s64 ret = arch_atomic64_fetch_dec_relaxed(v); | |
1754 | __atomic_acquire_fence(); | |
1755 | return ret; | |
1756 | } | |
1757 | #define arch_atomic64_fetch_dec_acquire arch_atomic64_fetch_dec_acquire | |
1758 | #endif | |
1759 | ||
1760 | #ifndef arch_atomic64_fetch_dec_release | |
1761 | static __always_inline s64 | |
1762 | arch_atomic64_fetch_dec_release(atomic64_t *v) | |
1763 | { | |
1764 | __atomic_release_fence(); | |
1765 | return arch_atomic64_fetch_dec_relaxed(v); | |
1766 | } | |
1767 | #define arch_atomic64_fetch_dec_release arch_atomic64_fetch_dec_release | |
1768 | #endif | |
1769 | ||
1770 | #ifndef arch_atomic64_fetch_dec | |
1771 | static __always_inline s64 | |
1772 | arch_atomic64_fetch_dec(atomic64_t *v) | |
1773 | { | |
1774 | s64 ret; | |
1775 | __atomic_pre_full_fence(); | |
1776 | ret = arch_atomic64_fetch_dec_relaxed(v); | |
1777 | __atomic_post_full_fence(); | |
1778 | return ret; | |
1779 | } | |
1780 | #define arch_atomic64_fetch_dec arch_atomic64_fetch_dec | |
1781 | #endif | |
1782 | ||
1783 | #endif /* arch_atomic64_fetch_dec_relaxed */ | |
1784 | ||
1785 | #ifndef arch_atomic64_fetch_and_relaxed | |
1786 | #define arch_atomic64_fetch_and_acquire arch_atomic64_fetch_and | |
1787 | #define arch_atomic64_fetch_and_release arch_atomic64_fetch_and | |
1788 | #define arch_atomic64_fetch_and_relaxed arch_atomic64_fetch_and | |
1789 | #else /* arch_atomic64_fetch_and_relaxed */ | |
1790 | ||
1791 | #ifndef arch_atomic64_fetch_and_acquire | |
1792 | static __always_inline s64 | |
1793 | arch_atomic64_fetch_and_acquire(s64 i, atomic64_t *v) | |
1794 | { | |
1795 | s64 ret = arch_atomic64_fetch_and_relaxed(i, v); | |
1796 | __atomic_acquire_fence(); | |
1797 | return ret; | |
1798 | } | |
1799 | #define arch_atomic64_fetch_and_acquire arch_atomic64_fetch_and_acquire | |
1800 | #endif | |
1801 | ||
1802 | #ifndef arch_atomic64_fetch_and_release | |
1803 | static __always_inline s64 | |
1804 | arch_atomic64_fetch_and_release(s64 i, atomic64_t *v) | |
1805 | { | |
1806 | __atomic_release_fence(); | |
1807 | return arch_atomic64_fetch_and_relaxed(i, v); | |
1808 | } | |
1809 | #define arch_atomic64_fetch_and_release arch_atomic64_fetch_and_release | |
1810 | #endif | |
1811 | ||
1812 | #ifndef arch_atomic64_fetch_and | |
1813 | static __always_inline s64 | |
1814 | arch_atomic64_fetch_and(s64 i, atomic64_t *v) | |
1815 | { | |
1816 | s64 ret; | |
1817 | __atomic_pre_full_fence(); | |
1818 | ret = arch_atomic64_fetch_and_relaxed(i, v); | |
1819 | __atomic_post_full_fence(); | |
1820 | return ret; | |
1821 | } | |
1822 | #define arch_atomic64_fetch_and arch_atomic64_fetch_and | |
1823 | #endif | |
1824 | ||
1825 | #endif /* arch_atomic64_fetch_and_relaxed */ | |
1826 | ||
1827 | #ifndef arch_atomic64_andnot | |
1828 | static __always_inline void | |
1829 | arch_atomic64_andnot(s64 i, atomic64_t *v) | |
1830 | { | |
1831 | arch_atomic64_and(~i, v); | |
1832 | } | |
1833 | #define arch_atomic64_andnot arch_atomic64_andnot | |
1834 | #endif | |
1835 | ||
1836 | #ifndef arch_atomic64_fetch_andnot_relaxed | |
1837 | #ifdef arch_atomic64_fetch_andnot | |
1838 | #define arch_atomic64_fetch_andnot_acquire arch_atomic64_fetch_andnot | |
1839 | #define arch_atomic64_fetch_andnot_release arch_atomic64_fetch_andnot | |
1840 | #define arch_atomic64_fetch_andnot_relaxed arch_atomic64_fetch_andnot | |
1841 | #endif /* arch_atomic64_fetch_andnot */ | |
1842 | ||
1843 | #ifndef arch_atomic64_fetch_andnot | |
1844 | static __always_inline s64 | |
1845 | arch_atomic64_fetch_andnot(s64 i, atomic64_t *v) | |
1846 | { | |
1847 | return arch_atomic64_fetch_and(~i, v); | |
1848 | } | |
1849 | #define arch_atomic64_fetch_andnot arch_atomic64_fetch_andnot | |
1850 | #endif | |
1851 | ||
1852 | #ifndef arch_atomic64_fetch_andnot_acquire | |
1853 | static __always_inline s64 | |
1854 | arch_atomic64_fetch_andnot_acquire(s64 i, atomic64_t *v) | |
1855 | { | |
1856 | return arch_atomic64_fetch_and_acquire(~i, v); | |
1857 | } | |
1858 | #define arch_atomic64_fetch_andnot_acquire arch_atomic64_fetch_andnot_acquire | |
1859 | #endif | |
1860 | ||
1861 | #ifndef arch_atomic64_fetch_andnot_release | |
1862 | static __always_inline s64 | |
1863 | arch_atomic64_fetch_andnot_release(s64 i, atomic64_t *v) | |
1864 | { | |
1865 | return arch_atomic64_fetch_and_release(~i, v); | |
1866 | } | |
1867 | #define arch_atomic64_fetch_andnot_release arch_atomic64_fetch_andnot_release | |
1868 | #endif | |
1869 | ||
1870 | #ifndef arch_atomic64_fetch_andnot_relaxed | |
1871 | static __always_inline s64 | |
1872 | arch_atomic64_fetch_andnot_relaxed(s64 i, atomic64_t *v) | |
1873 | { | |
1874 | return arch_atomic64_fetch_and_relaxed(~i, v); | |
1875 | } | |
1876 | #define arch_atomic64_fetch_andnot_relaxed arch_atomic64_fetch_andnot_relaxed | |
1877 | #endif | |
1878 | ||
1879 | #else /* arch_atomic64_fetch_andnot_relaxed */ | |
1880 | ||
1881 | #ifndef arch_atomic64_fetch_andnot_acquire | |
1882 | static __always_inline s64 | |
1883 | arch_atomic64_fetch_andnot_acquire(s64 i, atomic64_t *v) | |
1884 | { | |
1885 | s64 ret = arch_atomic64_fetch_andnot_relaxed(i, v); | |
1886 | __atomic_acquire_fence(); | |
1887 | return ret; | |
1888 | } | |
1889 | #define arch_atomic64_fetch_andnot_acquire arch_atomic64_fetch_andnot_acquire | |
1890 | #endif | |
1891 | ||
1892 | #ifndef arch_atomic64_fetch_andnot_release | |
1893 | static __always_inline s64 | |
1894 | arch_atomic64_fetch_andnot_release(s64 i, atomic64_t *v) | |
1895 | { | |
1896 | __atomic_release_fence(); | |
1897 | return arch_atomic64_fetch_andnot_relaxed(i, v); | |
1898 | } | |
1899 | #define arch_atomic64_fetch_andnot_release arch_atomic64_fetch_andnot_release | |
1900 | #endif | |
1901 | ||
1902 | #ifndef arch_atomic64_fetch_andnot | |
1903 | static __always_inline s64 | |
1904 | arch_atomic64_fetch_andnot(s64 i, atomic64_t *v) | |
1905 | { | |
1906 | s64 ret; | |
1907 | __atomic_pre_full_fence(); | |
1908 | ret = arch_atomic64_fetch_andnot_relaxed(i, v); | |
1909 | __atomic_post_full_fence(); | |
1910 | return ret; | |
1911 | } | |
1912 | #define arch_atomic64_fetch_andnot arch_atomic64_fetch_andnot | |
1913 | #endif | |
1914 | ||
1915 | #endif /* arch_atomic64_fetch_andnot_relaxed */ | |
1916 | ||
1917 | #ifndef arch_atomic64_fetch_or_relaxed | |
1918 | #define arch_atomic64_fetch_or_acquire arch_atomic64_fetch_or | |
1919 | #define arch_atomic64_fetch_or_release arch_atomic64_fetch_or | |
1920 | #define arch_atomic64_fetch_or_relaxed arch_atomic64_fetch_or | |
1921 | #else /* arch_atomic64_fetch_or_relaxed */ | |
1922 | ||
1923 | #ifndef arch_atomic64_fetch_or_acquire | |
1924 | static __always_inline s64 | |
1925 | arch_atomic64_fetch_or_acquire(s64 i, atomic64_t *v) | |
1926 | { | |
1927 | s64 ret = arch_atomic64_fetch_or_relaxed(i, v); | |
1928 | __atomic_acquire_fence(); | |
1929 | return ret; | |
1930 | } | |
1931 | #define arch_atomic64_fetch_or_acquire arch_atomic64_fetch_or_acquire | |
1932 | #endif | |
1933 | ||
1934 | #ifndef arch_atomic64_fetch_or_release | |
1935 | static __always_inline s64 | |
1936 | arch_atomic64_fetch_or_release(s64 i, atomic64_t *v) | |
1937 | { | |
1938 | __atomic_release_fence(); | |
1939 | return arch_atomic64_fetch_or_relaxed(i, v); | |
1940 | } | |
1941 | #define arch_atomic64_fetch_or_release arch_atomic64_fetch_or_release | |
1942 | #endif | |
1943 | ||
1944 | #ifndef arch_atomic64_fetch_or | |
1945 | static __always_inline s64 | |
1946 | arch_atomic64_fetch_or(s64 i, atomic64_t *v) | |
1947 | { | |
1948 | s64 ret; | |
1949 | __atomic_pre_full_fence(); | |
1950 | ret = arch_atomic64_fetch_or_relaxed(i, v); | |
1951 | __atomic_post_full_fence(); | |
1952 | return ret; | |
1953 | } | |
1954 | #define arch_atomic64_fetch_or arch_atomic64_fetch_or | |
1955 | #endif | |
1956 | ||
1957 | #endif /* arch_atomic64_fetch_or_relaxed */ | |
1958 | ||
1959 | #ifndef arch_atomic64_fetch_xor_relaxed | |
1960 | #define arch_atomic64_fetch_xor_acquire arch_atomic64_fetch_xor | |
1961 | #define arch_atomic64_fetch_xor_release arch_atomic64_fetch_xor | |
1962 | #define arch_atomic64_fetch_xor_relaxed arch_atomic64_fetch_xor | |
1963 | #else /* arch_atomic64_fetch_xor_relaxed */ | |
1964 | ||
1965 | #ifndef arch_atomic64_fetch_xor_acquire | |
1966 | static __always_inline s64 | |
1967 | arch_atomic64_fetch_xor_acquire(s64 i, atomic64_t *v) | |
1968 | { | |
1969 | s64 ret = arch_atomic64_fetch_xor_relaxed(i, v); | |
1970 | __atomic_acquire_fence(); | |
1971 | return ret; | |
1972 | } | |
1973 | #define arch_atomic64_fetch_xor_acquire arch_atomic64_fetch_xor_acquire | |
1974 | #endif | |
1975 | ||
1976 | #ifndef arch_atomic64_fetch_xor_release | |
1977 | static __always_inline s64 | |
1978 | arch_atomic64_fetch_xor_release(s64 i, atomic64_t *v) | |
1979 | { | |
1980 | __atomic_release_fence(); | |
1981 | return arch_atomic64_fetch_xor_relaxed(i, v); | |
1982 | } | |
1983 | #define arch_atomic64_fetch_xor_release arch_atomic64_fetch_xor_release | |
1984 | #endif | |
1985 | ||
1986 | #ifndef arch_atomic64_fetch_xor | |
1987 | static __always_inline s64 | |
1988 | arch_atomic64_fetch_xor(s64 i, atomic64_t *v) | |
1989 | { | |
1990 | s64 ret; | |
1991 | __atomic_pre_full_fence(); | |
1992 | ret = arch_atomic64_fetch_xor_relaxed(i, v); | |
1993 | __atomic_post_full_fence(); | |
1994 | return ret; | |
1995 | } | |
1996 | #define arch_atomic64_fetch_xor arch_atomic64_fetch_xor | |
1997 | #endif | |
1998 | ||
1999 | #endif /* arch_atomic64_fetch_xor_relaxed */ | |
2000 | ||
2001 | #ifndef arch_atomic64_xchg_relaxed | |
2002 | #define arch_atomic64_xchg_acquire arch_atomic64_xchg | |
2003 | #define arch_atomic64_xchg_release arch_atomic64_xchg | |
2004 | #define arch_atomic64_xchg_relaxed arch_atomic64_xchg | |
2005 | #else /* arch_atomic64_xchg_relaxed */ | |
2006 | ||
2007 | #ifndef arch_atomic64_xchg_acquire | |
2008 | static __always_inline s64 | |
2009 | arch_atomic64_xchg_acquire(atomic64_t *v, s64 i) | |
2010 | { | |
2011 | s64 ret = arch_atomic64_xchg_relaxed(v, i); | |
2012 | __atomic_acquire_fence(); | |
2013 | return ret; | |
2014 | } | |
2015 | #define arch_atomic64_xchg_acquire arch_atomic64_xchg_acquire | |
2016 | #endif | |
2017 | ||
2018 | #ifndef arch_atomic64_xchg_release | |
2019 | static __always_inline s64 | |
2020 | arch_atomic64_xchg_release(atomic64_t *v, s64 i) | |
2021 | { | |
2022 | __atomic_release_fence(); | |
2023 | return arch_atomic64_xchg_relaxed(v, i); | |
2024 | } | |
2025 | #define arch_atomic64_xchg_release arch_atomic64_xchg_release | |
2026 | #endif | |
2027 | ||
2028 | #ifndef arch_atomic64_xchg | |
2029 | static __always_inline s64 | |
2030 | arch_atomic64_xchg(atomic64_t *v, s64 i) | |
2031 | { | |
2032 | s64 ret; | |
2033 | __atomic_pre_full_fence(); | |
2034 | ret = arch_atomic64_xchg_relaxed(v, i); | |
2035 | __atomic_post_full_fence(); | |
2036 | return ret; | |
2037 | } | |
2038 | #define arch_atomic64_xchg arch_atomic64_xchg | |
2039 | #endif | |
2040 | ||
2041 | #endif /* arch_atomic64_xchg_relaxed */ | |
2042 | ||
2043 | #ifndef arch_atomic64_cmpxchg_relaxed | |
2044 | #define arch_atomic64_cmpxchg_acquire arch_atomic64_cmpxchg | |
2045 | #define arch_atomic64_cmpxchg_release arch_atomic64_cmpxchg | |
2046 | #define arch_atomic64_cmpxchg_relaxed arch_atomic64_cmpxchg | |
2047 | #else /* arch_atomic64_cmpxchg_relaxed */ | |
2048 | ||
2049 | #ifndef arch_atomic64_cmpxchg_acquire | |
2050 | static __always_inline s64 | |
2051 | arch_atomic64_cmpxchg_acquire(atomic64_t *v, s64 old, s64 new) | |
2052 | { | |
2053 | s64 ret = arch_atomic64_cmpxchg_relaxed(v, old, new); | |
2054 | __atomic_acquire_fence(); | |
2055 | return ret; | |
2056 | } | |
2057 | #define arch_atomic64_cmpxchg_acquire arch_atomic64_cmpxchg_acquire | |
2058 | #endif | |
2059 | ||
2060 | #ifndef arch_atomic64_cmpxchg_release | |
2061 | static __always_inline s64 | |
2062 | arch_atomic64_cmpxchg_release(atomic64_t *v, s64 old, s64 new) | |
2063 | { | |
2064 | __atomic_release_fence(); | |
2065 | return arch_atomic64_cmpxchg_relaxed(v, old, new); | |
2066 | } | |
2067 | #define arch_atomic64_cmpxchg_release arch_atomic64_cmpxchg_release | |
2068 | #endif | |
2069 | ||
2070 | #ifndef arch_atomic64_cmpxchg | |
2071 | static __always_inline s64 | |
2072 | arch_atomic64_cmpxchg(atomic64_t *v, s64 old, s64 new) | |
2073 | { | |
2074 | s64 ret; | |
2075 | __atomic_pre_full_fence(); | |
2076 | ret = arch_atomic64_cmpxchg_relaxed(v, old, new); | |
2077 | __atomic_post_full_fence(); | |
2078 | return ret; | |
2079 | } | |
2080 | #define arch_atomic64_cmpxchg arch_atomic64_cmpxchg | |
2081 | #endif | |
2082 | ||
2083 | #endif /* arch_atomic64_cmpxchg_relaxed */ | |
2084 | ||
2085 | #ifndef arch_atomic64_try_cmpxchg_relaxed | |
2086 | #ifdef arch_atomic64_try_cmpxchg | |
2087 | #define arch_atomic64_try_cmpxchg_acquire arch_atomic64_try_cmpxchg | |
2088 | #define arch_atomic64_try_cmpxchg_release arch_atomic64_try_cmpxchg | |
2089 | #define arch_atomic64_try_cmpxchg_relaxed arch_atomic64_try_cmpxchg | |
2090 | #endif /* arch_atomic64_try_cmpxchg */ | |
2091 | ||
2092 | #ifndef arch_atomic64_try_cmpxchg | |
2093 | static __always_inline bool | |
2094 | arch_atomic64_try_cmpxchg(atomic64_t *v, s64 *old, s64 new) | |
2095 | { | |
2096 | s64 r, o = *old; | |
2097 | r = arch_atomic64_cmpxchg(v, o, new); | |
2098 | if (unlikely(r != o)) | |
2099 | *old = r; | |
2100 | return likely(r == o); | |
2101 | } | |
2102 | #define arch_atomic64_try_cmpxchg arch_atomic64_try_cmpxchg | |
2103 | #endif | |
2104 | ||
2105 | #ifndef arch_atomic64_try_cmpxchg_acquire | |
2106 | static __always_inline bool | |
2107 | arch_atomic64_try_cmpxchg_acquire(atomic64_t *v, s64 *old, s64 new) | |
2108 | { | |
2109 | s64 r, o = *old; | |
2110 | r = arch_atomic64_cmpxchg_acquire(v, o, new); | |
2111 | if (unlikely(r != o)) | |
2112 | *old = r; | |
2113 | return likely(r == o); | |
2114 | } | |
2115 | #define arch_atomic64_try_cmpxchg_acquire arch_atomic64_try_cmpxchg_acquire | |
2116 | #endif | |
2117 | ||
2118 | #ifndef arch_atomic64_try_cmpxchg_release | |
2119 | static __always_inline bool | |
2120 | arch_atomic64_try_cmpxchg_release(atomic64_t *v, s64 *old, s64 new) | |
2121 | { | |
2122 | s64 r, o = *old; | |
2123 | r = arch_atomic64_cmpxchg_release(v, o, new); | |
2124 | if (unlikely(r != o)) | |
2125 | *old = r; | |
2126 | return likely(r == o); | |
2127 | } | |
2128 | #define arch_atomic64_try_cmpxchg_release arch_atomic64_try_cmpxchg_release | |
2129 | #endif | |
2130 | ||
2131 | #ifndef arch_atomic64_try_cmpxchg_relaxed | |
2132 | static __always_inline bool | |
2133 | arch_atomic64_try_cmpxchg_relaxed(atomic64_t *v, s64 *old, s64 new) | |
2134 | { | |
2135 | s64 r, o = *old; | |
2136 | r = arch_atomic64_cmpxchg_relaxed(v, o, new); | |
2137 | if (unlikely(r != o)) | |
2138 | *old = r; | |
2139 | return likely(r == o); | |
2140 | } | |
2141 | #define arch_atomic64_try_cmpxchg_relaxed arch_atomic64_try_cmpxchg_relaxed | |
2142 | #endif | |
2143 | ||
2144 | #else /* arch_atomic64_try_cmpxchg_relaxed */ | |
2145 | ||
2146 | #ifndef arch_atomic64_try_cmpxchg_acquire | |
2147 | static __always_inline bool | |
2148 | arch_atomic64_try_cmpxchg_acquire(atomic64_t *v, s64 *old, s64 new) | |
2149 | { | |
2150 | bool ret = arch_atomic64_try_cmpxchg_relaxed(v, old, new); | |
2151 | __atomic_acquire_fence(); | |
2152 | return ret; | |
2153 | } | |
2154 | #define arch_atomic64_try_cmpxchg_acquire arch_atomic64_try_cmpxchg_acquire | |
2155 | #endif | |
2156 | ||
2157 | #ifndef arch_atomic64_try_cmpxchg_release | |
2158 | static __always_inline bool | |
2159 | arch_atomic64_try_cmpxchg_release(atomic64_t *v, s64 *old, s64 new) | |
2160 | { | |
2161 | __atomic_release_fence(); | |
2162 | return arch_atomic64_try_cmpxchg_relaxed(v, old, new); | |
2163 | } | |
2164 | #define arch_atomic64_try_cmpxchg_release arch_atomic64_try_cmpxchg_release | |
2165 | #endif | |
2166 | ||
2167 | #ifndef arch_atomic64_try_cmpxchg | |
2168 | static __always_inline bool | |
2169 | arch_atomic64_try_cmpxchg(atomic64_t *v, s64 *old, s64 new) | |
2170 | { | |
2171 | bool ret; | |
2172 | __atomic_pre_full_fence(); | |
2173 | ret = arch_atomic64_try_cmpxchg_relaxed(v, old, new); | |
2174 | __atomic_post_full_fence(); | |
2175 | return ret; | |
2176 | } | |
2177 | #define arch_atomic64_try_cmpxchg arch_atomic64_try_cmpxchg | |
2178 | #endif | |
2179 | ||
2180 | #endif /* arch_atomic64_try_cmpxchg_relaxed */ | |
2181 | ||
2182 | #ifndef arch_atomic64_sub_and_test | |
2183 | /** | |
2184 | * arch_atomic64_sub_and_test - subtract value from variable and test result | |
2185 | * @i: integer value to subtract | |
2186 | * @v: pointer of type atomic64_t | |
2187 | * | |
2188 | * Atomically subtracts @i from @v and returns | |
2189 | * true if the result is zero, or false for all | |
2190 | * other cases. | |
2191 | */ | |
2192 | static __always_inline bool | |
2193 | arch_atomic64_sub_and_test(s64 i, atomic64_t *v) | |
2194 | { | |
2195 | return arch_atomic64_sub_return(i, v) == 0; | |
2196 | } | |
2197 | #define arch_atomic64_sub_and_test arch_atomic64_sub_and_test | |
2198 | #endif | |
2199 | ||
2200 | #ifndef arch_atomic64_dec_and_test | |
2201 | /** | |
2202 | * arch_atomic64_dec_and_test - decrement and test | |
2203 | * @v: pointer of type atomic64_t | |
2204 | * | |
2205 | * Atomically decrements @v by 1 and | |
2206 | * returns true if the result is 0, or false for all other | |
2207 | * cases. | |
2208 | */ | |
2209 | static __always_inline bool | |
2210 | arch_atomic64_dec_and_test(atomic64_t *v) | |
2211 | { | |
2212 | return arch_atomic64_dec_return(v) == 0; | |
2213 | } | |
2214 | #define arch_atomic64_dec_and_test arch_atomic64_dec_and_test | |
2215 | #endif | |
2216 | ||
2217 | #ifndef arch_atomic64_inc_and_test | |
2218 | /** | |
2219 | * arch_atomic64_inc_and_test - increment and test | |
2220 | * @v: pointer of type atomic64_t | |
2221 | * | |
2222 | * Atomically increments @v by 1 | |
2223 | * and returns true if the result is zero, or false for all | |
2224 | * other cases. | |
2225 | */ | |
2226 | static __always_inline bool | |
2227 | arch_atomic64_inc_and_test(atomic64_t *v) | |
2228 | { | |
2229 | return arch_atomic64_inc_return(v) == 0; | |
2230 | } | |
2231 | #define arch_atomic64_inc_and_test arch_atomic64_inc_and_test | |
2232 | #endif | |
2233 | ||
2234 | #ifndef arch_atomic64_add_negative | |
2235 | /** | |
2236 | * arch_atomic64_add_negative - add and test if negative | |
2237 | * @i: integer value to add | |
2238 | * @v: pointer of type atomic64_t | |
2239 | * | |
2240 | * Atomically adds @i to @v and returns true | |
2241 | * if the result is negative, or false when | |
2242 | * result is greater than or equal to zero. | |
2243 | */ | |
2244 | static __always_inline bool | |
2245 | arch_atomic64_add_negative(s64 i, atomic64_t *v) | |
2246 | { | |
2247 | return arch_atomic64_add_return(i, v) < 0; | |
2248 | } | |
2249 | #define arch_atomic64_add_negative arch_atomic64_add_negative | |
2250 | #endif | |
2251 | ||
2252 | #ifndef arch_atomic64_fetch_add_unless | |
2253 | /** | |
2254 | * arch_atomic64_fetch_add_unless - add unless the number is already a given value | |
2255 | * @v: pointer of type atomic64_t | |
2256 | * @a: the amount to add to v... | |
2257 | * @u: ...unless v is equal to u. | |
2258 | * | |
2259 | * Atomically adds @a to @v, so long as @v was not already @u. | |
2260 | * Returns original value of @v | |
2261 | */ | |
2262 | static __always_inline s64 | |
2263 | arch_atomic64_fetch_add_unless(atomic64_t *v, s64 a, s64 u) | |
2264 | { | |
2265 | s64 c = arch_atomic64_read(v); | |
2266 | ||
2267 | do { | |
2268 | if (unlikely(c == u)) | |
2269 | break; | |
2270 | } while (!arch_atomic64_try_cmpxchg(v, &c, c + a)); | |
2271 | ||
2272 | return c; | |
2273 | } | |
2274 | #define arch_atomic64_fetch_add_unless arch_atomic64_fetch_add_unless | |
2275 | #endif | |
2276 | ||
2277 | #ifndef arch_atomic64_add_unless | |
2278 | /** | |
2279 | * arch_atomic64_add_unless - add unless the number is already a given value | |
2280 | * @v: pointer of type atomic64_t | |
2281 | * @a: the amount to add to v... | |
2282 | * @u: ...unless v is equal to u. | |
2283 | * | |
2284 | * Atomically adds @a to @v, if @v was not already @u. | |
2285 | * Returns true if the addition was done. | |
2286 | */ | |
2287 | static __always_inline bool | |
2288 | arch_atomic64_add_unless(atomic64_t *v, s64 a, s64 u) | |
2289 | { | |
2290 | return arch_atomic64_fetch_add_unless(v, a, u) != u; | |
2291 | } | |
2292 | #define arch_atomic64_add_unless arch_atomic64_add_unless | |
2293 | #endif | |
2294 | ||
2295 | #ifndef arch_atomic64_inc_not_zero | |
2296 | /** | |
2297 | * arch_atomic64_inc_not_zero - increment unless the number is zero | |
2298 | * @v: pointer of type atomic64_t | |
2299 | * | |
2300 | * Atomically increments @v by 1, if @v is non-zero. | |
2301 | * Returns true if the increment was done. | |
2302 | */ | |
2303 | static __always_inline bool | |
2304 | arch_atomic64_inc_not_zero(atomic64_t *v) | |
2305 | { | |
2306 | return arch_atomic64_add_unless(v, 1, 0); | |
2307 | } | |
2308 | #define arch_atomic64_inc_not_zero arch_atomic64_inc_not_zero | |
2309 | #endif | |
2310 | ||
2311 | #ifndef arch_atomic64_inc_unless_negative | |
2312 | static __always_inline bool | |
2313 | arch_atomic64_inc_unless_negative(atomic64_t *v) | |
2314 | { | |
2315 | s64 c = arch_atomic64_read(v); | |
2316 | ||
2317 | do { | |
2318 | if (unlikely(c < 0)) | |
2319 | return false; | |
2320 | } while (!arch_atomic64_try_cmpxchg(v, &c, c + 1)); | |
2321 | ||
2322 | return true; | |
2323 | } | |
2324 | #define arch_atomic64_inc_unless_negative arch_atomic64_inc_unless_negative | |
2325 | #endif | |
2326 | ||
2327 | #ifndef arch_atomic64_dec_unless_positive | |
2328 | static __always_inline bool | |
2329 | arch_atomic64_dec_unless_positive(atomic64_t *v) | |
2330 | { | |
2331 | s64 c = arch_atomic64_read(v); | |
2332 | ||
2333 | do { | |
2334 | if (unlikely(c > 0)) | |
2335 | return false; | |
2336 | } while (!arch_atomic64_try_cmpxchg(v, &c, c - 1)); | |
2337 | ||
2338 | return true; | |
2339 | } | |
2340 | #define arch_atomic64_dec_unless_positive arch_atomic64_dec_unless_positive | |
2341 | #endif | |
2342 | ||
2343 | #ifndef arch_atomic64_dec_if_positive | |
2344 | static __always_inline s64 | |
2345 | arch_atomic64_dec_if_positive(atomic64_t *v) | |
2346 | { | |
2347 | s64 dec, c = arch_atomic64_read(v); | |
2348 | ||
2349 | do { | |
2350 | dec = c - 1; | |
2351 | if (unlikely(dec < 0)) | |
2352 | break; | |
2353 | } while (!arch_atomic64_try_cmpxchg(v, &c, dec)); | |
2354 | ||
2355 | return dec; | |
2356 | } | |
2357 | #define arch_atomic64_dec_if_positive arch_atomic64_dec_if_positive | |
2358 | #endif | |
2359 | ||
2360 | #endif /* _LINUX_ATOMIC_FALLBACK_H */ | |
29f006fd | 2361 | // cca554917d7ea73d5e3e7397dd70c484cad9b2c4 |