Commit | Line | Data |
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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 | ||
03ec570f DLM |
120 | #ifndef FIO_HAVE_IOPRIO_CLASS |
121 | #define ioprio_value_is_class_rt(prio) (false) | |
971eef80 NC |
122 | #define IOPRIO_MIN_PRIO_CLASS 0 |
123 | #define IOPRIO_MAX_PRIO_CLASS 0 | |
03ec570f | 124 | #endif |
ebac4655 | 125 | #ifndef FIO_HAVE_IOPRIO |
8d6e8d99 | 126 | #define ioprio_value(prioclass, prio) (0) |
28727df7 | 127 | #define ioprio_set(which, who, prioclass, prio) (0) |
971eef80 NC |
128 | #define IOPRIO_MIN_PRIO 0 |
129 | #define IOPRIO_MAX_PRIO 0 | |
ebac4655 JA |
130 | #endif |
131 | ||
2c0ecd28 | 132 | #ifndef FIO_HAVE_ODIRECT |
7d424763 JA |
133 | #define OS_O_DIRECT 0 |
134 | #else | |
135 | #define OS_O_DIRECT O_DIRECT | |
2c0ecd28 JA |
136 | #endif |
137 | ||
d01612f3 CM |
138 | #ifdef OS_O_ATOMIC |
139 | #define FIO_O_ATOMIC OS_O_ATOMIC | |
140 | #else | |
141 | #define FIO_O_ATOMIC 0 | |
142 | #endif | |
143 | ||
74b025b0 JA |
144 | #ifndef FIO_HAVE_HUGETLB |
145 | #define SHM_HUGETLB 0 | |
d6dc02fb | 146 | #define MAP_HUGETLB 0 |
4d8947de | 147 | #ifndef FIO_HUGE_PAGE |
74b025b0 | 148 | #define FIO_HUGE_PAGE 0 |
4d8947de | 149 | #endif |
74b025b0 | 150 | #else |
cb25df61 | 151 | #ifndef FIO_HUGE_PAGE |
ee0e0a71 | 152 | #define FIO_HUGE_PAGE 4194304 |
74b025b0 | 153 | #endif |
cb25df61 | 154 | #endif |
74b025b0 | 155 | |
39b93568 JA |
156 | #ifndef FIO_HAVE_MMAP_HUGE |
157 | #define MAP_HUGETLB 0 | |
158 | #endif | |
159 | ||
5921e80c JA |
160 | #ifndef FIO_O_NOATIME |
161 | #define FIO_O_NOATIME 0 | |
162 | #endif | |
163 | ||
dc873b6f JA |
164 | #ifndef OS_RAND_MAX |
165 | #define OS_RAND_MAX RAND_MAX | |
166 | #endif | |
167 | ||
58483fa4 | 168 | #ifndef FIO_PREFERRED_ENGINE |
df96a39e | 169 | #define FIO_PREFERRED_ENGINE "psync" |
58483fa4 JA |
170 | #endif |
171 | ||
b9fd788f | 172 | #ifndef FIO_OS_PATH_SEPARATOR |
53a7af85 | 173 | #define FIO_OS_PATH_SEPARATOR '/' |
b9fd788f BC |
174 | #endif |
175 | ||
16de1bf9 | 176 | #ifndef FIO_PREFERRED_CLOCK_SOURCE |
86e53416 | 177 | #ifdef CONFIG_CLOCK_GETTIME |
16de1bf9 | 178 | #define FIO_PREFERRED_CLOCK_SOURCE CS_CGETTIME |
86e53416 BC |
179 | #else |
180 | #define FIO_PREFERRED_CLOCK_SOURCE CS_GTOD | |
181 | #endif | |
16de1bf9 BC |
182 | #endif |
183 | ||
67bf9823 JA |
184 | #ifndef CONFIG_SOCKLEN_T |
185 | typedef unsigned int socklen_t; | |
5ba13ea6 JA |
186 | #endif |
187 | ||
45054cbe | 188 | #ifndef FIO_OS_HAS_CTIME_R |
1f81991e | 189 | #define os_ctime_r(x, y, z) (void) ctime_r((x), (y)) |
45054cbe SD |
190 | #endif |
191 | ||
901ebe18 | 192 | #ifdef FIO_USE_GENERIC_SWAP |
9677bec3 | 193 | static inline uint16_t fio_swap16(uint16_t val) |
232f9b73 JA |
194 | { |
195 | return (val << 8) | (val >> 8); | |
196 | } | |
197 | ||
901ebe18 | 198 | static inline uint32_t fio_swap32(uint32_t val) |
232f9b73 JA |
199 | { |
200 | val = ((val & 0xff00ff00UL) >> 8) | ((val & 0x00ff00ffUL) << 8); | |
201 | ||
202 | return (val >> 16) | (val << 16); | |
203 | } | |
204 | ||
901ebe18 | 205 | static inline uint64_t fio_swap64(uint64_t val) |
232f9b73 JA |
206 | { |
207 | val = ((val & 0xff00ff00ff00ff00ULL) >> 8) | | |
208 | ((val & 0x00ff00ff00ff00ffULL) << 8); | |
209 | val = ((val & 0xffff0000ffff0000ULL) >> 16) | | |
210 | ((val & 0x0000ffff0000ffffULL) << 16); | |
211 | ||
212 | return (val >> 32) | (val << 32); | |
213 | } | |
214 | #endif | |
215 | ||
ec5c6b12 | 216 | #ifndef FIO_HAVE_BYTEORDER_FUNCS |
0dcebdf4 | 217 | #ifdef CONFIG_LITTLE_ENDIAN |
a824149a DF |
218 | #define __be16_to_cpu(x) fio_swap16(x) |
219 | #define __be32_to_cpu(x) fio_swap32(x) | |
b747af64 | 220 | #define __be64_to_cpu(x) fio_swap64(x) |
8111092f JA |
221 | #define __le16_to_cpu(x) (x) |
222 | #define __le32_to_cpu(x) (x) | |
223 | #define __le64_to_cpu(x) (x) | |
a824149a DF |
224 | #define __cpu_to_be16(x) fio_swap16(x) |
225 | #define __cpu_to_be32(x) fio_swap32(x) | |
b747af64 | 226 | #define __cpu_to_be64(x) fio_swap64(x) |
8111092f JA |
227 | #define __cpu_to_le16(x) (x) |
228 | #define __cpu_to_le32(x) (x) | |
229 | #define __cpu_to_le64(x) (x) | |
230 | #else | |
a824149a DF |
231 | #define __be16_to_cpu(x) (x) |
232 | #define __be32_to_cpu(x) (x) | |
b747af64 | 233 | #define __be64_to_cpu(x) (x) |
8111092f JA |
234 | #define __le16_to_cpu(x) fio_swap16(x) |
235 | #define __le32_to_cpu(x) fio_swap32(x) | |
236 | #define __le64_to_cpu(x) fio_swap64(x) | |
a824149a DF |
237 | #define __cpu_to_be16(x) (x) |
238 | #define __cpu_to_be32(x) (x) | |
b747af64 | 239 | #define __cpu_to_be64(x) (x) |
8111092f JA |
240 | #define __cpu_to_le16(x) fio_swap16(x) |
241 | #define __cpu_to_le32(x) fio_swap32(x) | |
242 | #define __cpu_to_le64(x) fio_swap64(x) | |
243 | #endif | |
ec5c6b12 | 244 | #endif /* FIO_HAVE_BYTEORDER_FUNCS */ |
8111092f | 245 | |
0bbe46e7 | 246 | #ifdef FIO_INTERNAL |
a824149a DF |
247 | #define be16_to_cpu(val) ({ \ |
248 | typecheck(uint16_t, val); \ | |
249 | __be16_to_cpu(val); \ | |
250 | }) | |
251 | #define be32_to_cpu(val) ({ \ | |
252 | typecheck(uint32_t, val); \ | |
253 | __be32_to_cpu(val); \ | |
254 | }) | |
b747af64 SW |
255 | #define be64_to_cpu(val) ({ \ |
256 | typecheck(uint64_t, val); \ | |
257 | __be64_to_cpu(val); \ | |
258 | }) | |
8111092f | 259 | #define le16_to_cpu(val) ({ \ |
ff8039b7 | 260 | typecheck(uint16_t, val); \ |
c46fda90 | 261 | __le16_to_cpu(val); \ |
8111092f JA |
262 | }) |
263 | #define le32_to_cpu(val) ({ \ | |
ff8039b7 | 264 | typecheck(uint32_t, val); \ |
c46fda90 | 265 | __le32_to_cpu(val); \ |
8111092f JA |
266 | }) |
267 | #define le64_to_cpu(val) ({ \ | |
ff8039b7 JA |
268 | typecheck(uint64_t, val); \ |
269 | __le64_to_cpu(val); \ | |
8111092f | 270 | }) |
0bbe46e7 DG |
271 | #endif |
272 | ||
a824149a DF |
273 | #define cpu_to_be16(val) ({ \ |
274 | typecheck(uint16_t, val); \ | |
275 | __cpu_to_be16(val); \ | |
276 | }) | |
277 | #define cpu_to_be32(val) ({ \ | |
278 | typecheck(uint32_t, val); \ | |
279 | __cpu_to_be32(val); \ | |
280 | }) | |
b747af64 SW |
281 | #define cpu_to_be64(val) ({ \ |
282 | typecheck(uint64_t, val); \ | |
283 | __cpu_to_be64(val); \ | |
284 | }) | |
8111092f | 285 | #define cpu_to_le16(val) ({ \ |
ff8039b7 | 286 | typecheck(uint16_t, val); \ |
c46fda90 | 287 | __cpu_to_le16(val); \ |
8111092f JA |
288 | }) |
289 | #define cpu_to_le32(val) ({ \ | |
ff8039b7 | 290 | typecheck(uint32_t, val); \ |
c46fda90 | 291 | __cpu_to_le32(val); \ |
8111092f JA |
292 | }) |
293 | #define cpu_to_le64(val) ({ \ | |
ff8039b7 | 294 | typecheck(uint64_t, val); \ |
c46fda90 | 295 | __cpu_to_le64(val); \ |
8111092f JA |
296 | }) |
297 | ||
eb7ccf38 JA |
298 | #define FIO_DEF_CL_SIZE 128 |
299 | ||
300 | static inline int os_cache_line_size(void) | |
301 | { | |
302 | #ifdef FIO_HAVE_CL_SIZE | |
303 | int ret = arch_cache_line_size(); | |
304 | ||
305 | if (ret <= 0) | |
306 | return FIO_DEF_CL_SIZE; | |
307 | ||
308 | return ret; | |
309 | #else | |
310 | return FIO_DEF_CL_SIZE; | |
311 | #endif | |
312 | } | |
313 | ||
792d5517 | 314 | #ifdef FIO_USE_GENERIC_BDEV_SIZE |
ecc314ba | 315 | static inline int blockdev_size(struct fio_file *f, unsigned long long *bytes) |
792d5517 | 316 | { |
3b2e1464 | 317 | off_t end; |
792d5517 | 318 | |
3b2e1464 JA |
319 | *bytes = 0; |
320 | ||
ecc314ba | 321 | end = lseek(f->fd, 0, SEEK_END); |
792d5517 JA |
322 | if (end < 0) |
323 | return errno; | |
324 | ||
325 | *bytes = end; | |
326 | return 0; | |
327 | } | |
328 | #endif | |
329 | ||
93bcfd20 | 330 | #ifdef FIO_USE_GENERIC_INIT_RANDOM_STATE |
9781c080 | 331 | static inline int init_random_seeds(uint64_t *rand_seeds, int size) |
93bcfd20 BC |
332 | { |
333 | int fd; | |
334 | ||
335 | fd = open("/dev/urandom", O_RDONLY); | |
336 | if (fd == -1) { | |
337 | return 1; | |
338 | } | |
339 | ||
340 | if (read(fd, rand_seeds, size) < size) { | |
341 | close(fd); | |
342 | return 1; | |
343 | } | |
344 | ||
345 | close(fd); | |
93bcfd20 BC |
346 | return 0; |
347 | } | |
348 | #endif | |
349 | ||
2e3bd4c2 | 350 | #ifndef FIO_HAVE_FS_STAT |
c08ad04c | 351 | static inline unsigned long long get_fs_free_size(const char *path) |
2e3bd4c2 JA |
352 | { |
353 | return 0; | |
354 | } | |
355 | #endif | |
356 | ||
c00a2289 JA |
357 | #ifndef FIO_HAVE_CPU_ONLINE_SYSCONF |
358 | static inline unsigned int cpus_online(void) | |
359 | { | |
360 | return sysconf(_SC_NPROCESSORS_ONLN); | |
361 | } | |
362 | #endif | |
363 | ||
7221da37 | 364 | #ifndef CPU_COUNT |
6cf71c24 JA |
365 | #ifdef FIO_HAVE_CPU_AFFINITY |
366 | static inline int CPU_COUNT(os_cpu_mask_t *mask) | |
367 | { | |
368 | int max_cpus = cpus_online(); | |
369 | int nr_cpus, i; | |
370 | ||
371 | for (i = 0, nr_cpus = 0; i < max_cpus; i++) | |
372 | if (fio_cpu_isset(mask, i)) | |
373 | nr_cpus++; | |
374 | ||
375 | return nr_cpus; | |
376 | } | |
377 | #endif | |
378 | #endif | |
379 | ||
47f767c1 | 380 | #ifndef FIO_HAVE_GETTID |
de5ed0e4 | 381 | #ifndef CONFIG_HAVE_GETTID |
47f767c1 JA |
382 | static inline int gettid(void) |
383 | { | |
384 | return getpid(); | |
385 | } | |
386 | #endif | |
de5ed0e4 | 387 | #endif |
47f767c1 | 388 | |
0cfe2089 TK |
389 | #ifndef FIO_HAVE_SHM_ATTACH_REMOVED |
390 | static inline int shm_attach_to_open_removed(void) | |
391 | { | |
392 | return 0; | |
393 | } | |
394 | #endif | |
395 | ||
2c3e17be SW |
396 | #ifndef FIO_HAVE_NATIVE_FALLOCATE |
397 | static inline bool fio_fallocate(struct fio_file *f, uint64_t offset, uint64_t len) | |
398 | { | |
399 | errno = ENOSYS; | |
400 | return false; | |
401 | } | |
402 | #endif | |
403 | ||
cbbdf1c8 | 404 | #if defined(CONFIG_POSIX_FALLOCATE) || defined(FIO_HAVE_NATIVE_FALLOCATE) |
38ca5f03 | 405 | # define FIO_HAVE_DEFAULT_FALLOCATE |
cbbdf1c8 SW |
406 | #endif |
407 | ||
58828d07 SW |
408 | #ifndef FIO_HAVE_CPU_HAS |
409 | static inline bool os_cpu_has(cpu_features feature) | |
410 | { | |
411 | return false; | |
412 | } | |
413 | #endif | |
414 | ||
df18600f SW |
415 | #ifndef FIO_EMULATED_MKDIR_TWO |
416 | # define fio_mkdir(path, mode) mkdir(path, mode) | |
ebac4655 | 417 | #endif |
df18600f | 418 | |
3d0d549a BP |
419 | #ifdef _SC_CLK_TCK |
420 | static inline void os_clk_tck(long *clk_tck) | |
421 | { | |
422 | *clk_tck = sysconf(_SC_CLK_TCK); | |
423 | } | |
424 | #else | |
425 | extern void os_clk_tck(long *clk_tck); | |
426 | #endif | |
427 | ||
df18600f | 428 | #endif /* FIO_OS_H */ |