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ebac4655 JA |
1 | #ifndef FIO_OS_H |
2 | #define FIO_OS_H | |
3 | ||
a14ca44a | 4 | #include <sys/types.h> |
203913ea | 5 | #include <sys/socket.h> |
93bcfd20 | 6 | #include <fcntl.h> |
03e20d68 | 7 | #include <pthread.h> |
a14ca44a | 8 | #include <unistd.h> |
ecc314ba | 9 | #include <stdlib.h> |
30bec59e | 10 | #include <errno.h> |
a14ca44a | 11 | |
c473a9bd | 12 | #include "../arch/arch.h" /* IWYU pragma: export */ |
e39c0676 | 13 | #include "../lib/types.h" |
836fcc0f | 14 | |
cca84643 JA |
15 | enum { |
16 | os_linux = 1, | |
17 | os_aix, | |
18 | os_freebsd, | |
19 | os_hpux, | |
20 | os_mac, | |
21 | os_netbsd, | |
3cd4c66f | 22 | os_openbsd, |
cca84643 JA |
23 | os_solaris, |
24 | os_windows, | |
ec5c6b12 | 25 | os_android, |
239b2882 | 26 | os_dragonfly, |
cca84643 JA |
27 | |
28 | os_nr, | |
29 | }; | |
30 | ||
58828d07 SW |
31 | typedef enum { |
32 | CPU_ARM64_CRC32C, | |
33 | } cpu_features; | |
34 | ||
c473a9bd | 35 | /* IWYU pragma: begin_exports */ |
ec5c6b12 AC |
36 | #if defined(__ANDROID__) |
37 | #include "os-android.h" | |
38 | #elif defined(__linux__) | |
ebac4655 JA |
39 | #include "os-linux.h" |
40 | #elif defined(__FreeBSD__) | |
41 | #include "os-freebsd.h" | |
3cd4c66f J |
42 | #elif defined(__OpenBSD__) |
43 | #include "os-openbsd.h" | |
7452440e YT |
44 | #elif defined(__NetBSD__) |
45 | #include "os-netbsd.h" | |
2c0ecd28 JA |
46 | #elif defined(__sun__) |
47 | #include "os-solaris.h" | |
2afd826b JA |
48 | #elif defined(__APPLE__) |
49 | #include "os-mac.h" | |
bf2e821a CC |
50 | #elif defined(_AIX) |
51 | #include "os-aix.h" | |
c00a2289 JA |
52 | #elif defined(__hpux) |
53 | #include "os-hpux.h" | |
93bcfd20 | 54 | #elif defined(WIN32) |
03e20d68 | 55 | #include "os-windows.h" |
239b2882 JA |
56 | #elif defined (__DragonFly__) |
57 | #include "os-dragonfly.h" | |
ebac4655 JA |
58 | #else |
59 | #error "unsupported os" | |
60 | #endif | |
61 | ||
30bec59e JA |
62 | #ifndef EDQUOT |
63 | #define EDQUOT EIO | |
64 | #endif | |
65 | ||
67bf9823 | 66 | #ifdef CONFIG_POSIXAIO |
ebac4655 | 67 | #include <aio.h> |
e97c1442 JA |
68 | #ifndef FIO_OS_HAVE_AIOCB_TYPEDEF |
69 | typedef struct aiocb os_aiocb_t; | |
70 | #endif | |
ebac4655 JA |
71 | #endif |
72 | ||
4feafb1e | 73 | #ifndef CONFIG_STRSEP |
984f30c9 | 74 | #include "../oslib/strsep.h" |
5921e80c JA |
75 | #endif |
76 | ||
5ad7be56 | 77 | #ifndef CONFIG_STRLCAT |
984f30c9 | 78 | #include "../oslib/strlcat.h" |
5ad7be56 | 79 | #endif |
c473a9bd | 80 | /* IWYU pragma: end_exports */ |
5ad7be56 | 81 | |
8e239cae JA |
82 | #ifdef MSG_DONTWAIT |
83 | #define OS_MSG_DONTWAIT MSG_DONTWAIT | |
84 | #endif | |
85 | ||
4d8947de | 86 | #ifndef POSIX_FADV_DONTNEED |
ebac4655 JA |
87 | #define POSIX_FADV_DONTNEED (0) |
88 | #define POSIX_FADV_SEQUENTIAL (0) | |
89 | #define POSIX_FADV_RANDOM (0) | |
3ab9ebca | 90 | #define POSIX_FADV_NORMAL (0) |
4d8947de | 91 | #endif |
ebac4655 JA |
92 | |
93 | #ifndef FIO_HAVE_CPU_AFFINITY | |
be4ecfdf | 94 | #define fio_cpu_clear(mask, cpu) do { } while (0) |
7452440e | 95 | typedef unsigned long os_cpu_mask_t; |
3e55d40f TK |
96 | |
97 | static inline int fio_setaffinity(int pid, os_cpu_mask_t cpumask) | |
98 | { | |
99 | return 0; | |
100 | } | |
101 | ||
2c6772e2 TK |
102 | static inline int fio_getaffinity(int pid, os_cpu_mask_t *cpumask) |
103 | { | |
104 | return -1; | |
105 | } | |
106 | ||
3e55d40f TK |
107 | static inline int fio_cpuset_exit(os_cpu_mask_t *mask) |
108 | { | |
109 | return -1; | |
110 | } | |
111 | ||
112 | static inline int fio_cpus_split(os_cpu_mask_t *mask, unsigned int cpu_index) | |
113 | { | |
114 | return 0; | |
115 | } | |
c2acfbac JA |
116 | #else |
117 | extern int fio_cpus_split(os_cpu_mask_t *mask, unsigned int cpu); | |
ebac4655 JA |
118 | #endif |
119 | ||
120 | #ifndef FIO_HAVE_IOPRIO | |
28727df7 | 121 | #define ioprio_set(which, who, prioclass, prio) (0) |
ebac4655 JA |
122 | #endif |
123 | ||
2c0ecd28 | 124 | #ifndef FIO_HAVE_ODIRECT |
7d424763 JA |
125 | #define OS_O_DIRECT 0 |
126 | #else | |
127 | #define OS_O_DIRECT O_DIRECT | |
2c0ecd28 JA |
128 | #endif |
129 | ||
d01612f3 CM |
130 | #ifdef OS_O_ATOMIC |
131 | #define FIO_O_ATOMIC OS_O_ATOMIC | |
132 | #else | |
133 | #define FIO_O_ATOMIC 0 | |
134 | #endif | |
135 | ||
74b025b0 JA |
136 | #ifndef FIO_HAVE_HUGETLB |
137 | #define SHM_HUGETLB 0 | |
d6dc02fb | 138 | #define MAP_HUGETLB 0 |
4d8947de | 139 | #ifndef FIO_HUGE_PAGE |
74b025b0 | 140 | #define FIO_HUGE_PAGE 0 |
4d8947de | 141 | #endif |
74b025b0 | 142 | #else |
cb25df61 | 143 | #ifndef FIO_HUGE_PAGE |
ee0e0a71 | 144 | #define FIO_HUGE_PAGE 4194304 |
74b025b0 | 145 | #endif |
cb25df61 | 146 | #endif |
74b025b0 | 147 | |
39b93568 JA |
148 | #ifndef FIO_HAVE_MMAP_HUGE |
149 | #define MAP_HUGETLB 0 | |
150 | #endif | |
151 | ||
5921e80c JA |
152 | #ifndef FIO_O_NOATIME |
153 | #define FIO_O_NOATIME 0 | |
154 | #endif | |
155 | ||
dc873b6f JA |
156 | #ifndef OS_RAND_MAX |
157 | #define OS_RAND_MAX RAND_MAX | |
158 | #endif | |
159 | ||
58483fa4 | 160 | #ifndef FIO_PREFERRED_ENGINE |
df96a39e | 161 | #define FIO_PREFERRED_ENGINE "psync" |
58483fa4 JA |
162 | #endif |
163 | ||
b9fd788f | 164 | #ifndef FIO_OS_PATH_SEPARATOR |
53a7af85 | 165 | #define FIO_OS_PATH_SEPARATOR '/' |
b9fd788f BC |
166 | #endif |
167 | ||
16de1bf9 | 168 | #ifndef FIO_PREFERRED_CLOCK_SOURCE |
86e53416 | 169 | #ifdef CONFIG_CLOCK_GETTIME |
16de1bf9 | 170 | #define FIO_PREFERRED_CLOCK_SOURCE CS_CGETTIME |
86e53416 BC |
171 | #else |
172 | #define FIO_PREFERRED_CLOCK_SOURCE CS_GTOD | |
173 | #endif | |
16de1bf9 BC |
174 | #endif |
175 | ||
67bf9823 JA |
176 | #ifndef CONFIG_SOCKLEN_T |
177 | typedef unsigned int socklen_t; | |
5ba13ea6 JA |
178 | #endif |
179 | ||
45054cbe | 180 | #ifndef FIO_OS_HAS_CTIME_R |
1f81991e | 181 | #define os_ctime_r(x, y, z) (void) ctime_r((x), (y)) |
45054cbe SD |
182 | #endif |
183 | ||
901ebe18 | 184 | #ifdef FIO_USE_GENERIC_SWAP |
9677bec3 | 185 | static inline uint16_t fio_swap16(uint16_t val) |
232f9b73 JA |
186 | { |
187 | return (val << 8) | (val >> 8); | |
188 | } | |
189 | ||
901ebe18 | 190 | static inline uint32_t fio_swap32(uint32_t val) |
232f9b73 JA |
191 | { |
192 | val = ((val & 0xff00ff00UL) >> 8) | ((val & 0x00ff00ffUL) << 8); | |
193 | ||
194 | return (val >> 16) | (val << 16); | |
195 | } | |
196 | ||
901ebe18 | 197 | static inline uint64_t fio_swap64(uint64_t val) |
232f9b73 JA |
198 | { |
199 | val = ((val & 0xff00ff00ff00ff00ULL) >> 8) | | |
200 | ((val & 0x00ff00ff00ff00ffULL) << 8); | |
201 | val = ((val & 0xffff0000ffff0000ULL) >> 16) | | |
202 | ((val & 0x0000ffff0000ffffULL) << 16); | |
203 | ||
204 | return (val >> 32) | (val << 32); | |
205 | } | |
206 | #endif | |
207 | ||
ec5c6b12 | 208 | #ifndef FIO_HAVE_BYTEORDER_FUNCS |
0dcebdf4 | 209 | #ifdef CONFIG_LITTLE_ENDIAN |
a824149a DF |
210 | #define __be16_to_cpu(x) fio_swap16(x) |
211 | #define __be32_to_cpu(x) fio_swap32(x) | |
b747af64 | 212 | #define __be64_to_cpu(x) fio_swap64(x) |
8111092f JA |
213 | #define __le16_to_cpu(x) (x) |
214 | #define __le32_to_cpu(x) (x) | |
215 | #define __le64_to_cpu(x) (x) | |
a824149a DF |
216 | #define __cpu_to_be16(x) fio_swap16(x) |
217 | #define __cpu_to_be32(x) fio_swap32(x) | |
b747af64 | 218 | #define __cpu_to_be64(x) fio_swap64(x) |
8111092f JA |
219 | #define __cpu_to_le16(x) (x) |
220 | #define __cpu_to_le32(x) (x) | |
221 | #define __cpu_to_le64(x) (x) | |
222 | #else | |
a824149a DF |
223 | #define __be16_to_cpu(x) (x) |
224 | #define __be32_to_cpu(x) (x) | |
b747af64 | 225 | #define __be64_to_cpu(x) (x) |
8111092f JA |
226 | #define __le16_to_cpu(x) fio_swap16(x) |
227 | #define __le32_to_cpu(x) fio_swap32(x) | |
228 | #define __le64_to_cpu(x) fio_swap64(x) | |
a824149a DF |
229 | #define __cpu_to_be16(x) (x) |
230 | #define __cpu_to_be32(x) (x) | |
b747af64 | 231 | #define __cpu_to_be64(x) (x) |
8111092f JA |
232 | #define __cpu_to_le16(x) fio_swap16(x) |
233 | #define __cpu_to_le32(x) fio_swap32(x) | |
234 | #define __cpu_to_le64(x) fio_swap64(x) | |
235 | #endif | |
ec5c6b12 | 236 | #endif /* FIO_HAVE_BYTEORDER_FUNCS */ |
8111092f | 237 | |
0bbe46e7 | 238 | #ifdef FIO_INTERNAL |
a824149a DF |
239 | #define be16_to_cpu(val) ({ \ |
240 | typecheck(uint16_t, val); \ | |
241 | __be16_to_cpu(val); \ | |
242 | }) | |
243 | #define be32_to_cpu(val) ({ \ | |
244 | typecheck(uint32_t, val); \ | |
245 | __be32_to_cpu(val); \ | |
246 | }) | |
b747af64 SW |
247 | #define be64_to_cpu(val) ({ \ |
248 | typecheck(uint64_t, val); \ | |
249 | __be64_to_cpu(val); \ | |
250 | }) | |
8111092f | 251 | #define le16_to_cpu(val) ({ \ |
ff8039b7 | 252 | typecheck(uint16_t, val); \ |
c46fda90 | 253 | __le16_to_cpu(val); \ |
8111092f JA |
254 | }) |
255 | #define le32_to_cpu(val) ({ \ | |
ff8039b7 | 256 | typecheck(uint32_t, val); \ |
c46fda90 | 257 | __le32_to_cpu(val); \ |
8111092f JA |
258 | }) |
259 | #define le64_to_cpu(val) ({ \ | |
ff8039b7 JA |
260 | typecheck(uint64_t, val); \ |
261 | __le64_to_cpu(val); \ | |
8111092f | 262 | }) |
0bbe46e7 DG |
263 | #endif |
264 | ||
a824149a DF |
265 | #define cpu_to_be16(val) ({ \ |
266 | typecheck(uint16_t, val); \ | |
267 | __cpu_to_be16(val); \ | |
268 | }) | |
269 | #define cpu_to_be32(val) ({ \ | |
270 | typecheck(uint32_t, val); \ | |
271 | __cpu_to_be32(val); \ | |
272 | }) | |
b747af64 SW |
273 | #define cpu_to_be64(val) ({ \ |
274 | typecheck(uint64_t, val); \ | |
275 | __cpu_to_be64(val); \ | |
276 | }) | |
8111092f | 277 | #define cpu_to_le16(val) ({ \ |
ff8039b7 | 278 | typecheck(uint16_t, val); \ |
c46fda90 | 279 | __cpu_to_le16(val); \ |
8111092f JA |
280 | }) |
281 | #define cpu_to_le32(val) ({ \ | |
ff8039b7 | 282 | typecheck(uint32_t, val); \ |
c46fda90 | 283 | __cpu_to_le32(val); \ |
8111092f JA |
284 | }) |
285 | #define cpu_to_le64(val) ({ \ | |
ff8039b7 | 286 | typecheck(uint64_t, val); \ |
c46fda90 | 287 | __cpu_to_le64(val); \ |
8111092f JA |
288 | }) |
289 | ||
eb7ccf38 JA |
290 | #define FIO_DEF_CL_SIZE 128 |
291 | ||
292 | static inline int os_cache_line_size(void) | |
293 | { | |
294 | #ifdef FIO_HAVE_CL_SIZE | |
295 | int ret = arch_cache_line_size(); | |
296 | ||
297 | if (ret <= 0) | |
298 | return FIO_DEF_CL_SIZE; | |
299 | ||
300 | return ret; | |
301 | #else | |
302 | return FIO_DEF_CL_SIZE; | |
303 | #endif | |
304 | } | |
305 | ||
792d5517 | 306 | #ifdef FIO_USE_GENERIC_BDEV_SIZE |
ecc314ba | 307 | static inline int blockdev_size(struct fio_file *f, unsigned long long *bytes) |
792d5517 | 308 | { |
3b2e1464 | 309 | off_t end; |
792d5517 | 310 | |
3b2e1464 JA |
311 | *bytes = 0; |
312 | ||
ecc314ba | 313 | end = lseek(f->fd, 0, SEEK_END); |
792d5517 JA |
314 | if (end < 0) |
315 | return errno; | |
316 | ||
317 | *bytes = end; | |
318 | return 0; | |
319 | } | |
320 | #endif | |
321 | ||
93bcfd20 | 322 | #ifdef FIO_USE_GENERIC_INIT_RANDOM_STATE |
9781c080 | 323 | static inline int init_random_seeds(uint64_t *rand_seeds, int size) |
93bcfd20 BC |
324 | { |
325 | int fd; | |
326 | ||
327 | fd = open("/dev/urandom", O_RDONLY); | |
328 | if (fd == -1) { | |
329 | return 1; | |
330 | } | |
331 | ||
332 | if (read(fd, rand_seeds, size) < size) { | |
333 | close(fd); | |
334 | return 1; | |
335 | } | |
336 | ||
337 | close(fd); | |
93bcfd20 BC |
338 | return 0; |
339 | } | |
340 | #endif | |
341 | ||
2e3bd4c2 | 342 | #ifndef FIO_HAVE_FS_STAT |
c08ad04c | 343 | static inline unsigned long long get_fs_free_size(const char *path) |
2e3bd4c2 JA |
344 | { |
345 | return 0; | |
346 | } | |
347 | #endif | |
348 | ||
c00a2289 JA |
349 | #ifndef FIO_HAVE_CPU_ONLINE_SYSCONF |
350 | static inline unsigned int cpus_online(void) | |
351 | { | |
352 | return sysconf(_SC_NPROCESSORS_ONLN); | |
353 | } | |
354 | #endif | |
355 | ||
7221da37 | 356 | #ifndef CPU_COUNT |
6cf71c24 JA |
357 | #ifdef FIO_HAVE_CPU_AFFINITY |
358 | static inline int CPU_COUNT(os_cpu_mask_t *mask) | |
359 | { | |
360 | int max_cpus = cpus_online(); | |
361 | int nr_cpus, i; | |
362 | ||
363 | for (i = 0, nr_cpus = 0; i < max_cpus; i++) | |
364 | if (fio_cpu_isset(mask, i)) | |
365 | nr_cpus++; | |
366 | ||
367 | return nr_cpus; | |
368 | } | |
369 | #endif | |
370 | #endif | |
371 | ||
47f767c1 | 372 | #ifndef FIO_HAVE_GETTID |
de5ed0e4 | 373 | #ifndef CONFIG_HAVE_GETTID |
47f767c1 JA |
374 | static inline int gettid(void) |
375 | { | |
376 | return getpid(); | |
377 | } | |
378 | #endif | |
de5ed0e4 | 379 | #endif |
47f767c1 | 380 | |
0cfe2089 TK |
381 | #ifndef FIO_HAVE_SHM_ATTACH_REMOVED |
382 | static inline int shm_attach_to_open_removed(void) | |
383 | { | |
384 | return 0; | |
385 | } | |
386 | #endif | |
387 | ||
2c3e17be SW |
388 | #ifndef FIO_HAVE_NATIVE_FALLOCATE |
389 | static inline bool fio_fallocate(struct fio_file *f, uint64_t offset, uint64_t len) | |
390 | { | |
391 | errno = ENOSYS; | |
392 | return false; | |
393 | } | |
394 | #endif | |
395 | ||
cbbdf1c8 | 396 | #if defined(CONFIG_POSIX_FALLOCATE) || defined(FIO_HAVE_NATIVE_FALLOCATE) |
38ca5f03 | 397 | # define FIO_HAVE_DEFAULT_FALLOCATE |
cbbdf1c8 SW |
398 | #endif |
399 | ||
58828d07 SW |
400 | #ifndef FIO_HAVE_CPU_HAS |
401 | static inline bool os_cpu_has(cpu_features feature) | |
402 | { | |
403 | return false; | |
404 | } | |
405 | #endif | |
406 | ||
df18600f SW |
407 | #ifndef FIO_EMULATED_MKDIR_TWO |
408 | # define fio_mkdir(path, mode) mkdir(path, mode) | |
ebac4655 | 409 | #endif |
df18600f SW |
410 | |
411 | #endif /* FIO_OS_H */ |