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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> |
a14ca44a | 10 | |
c473a9bd | 11 | #include "../arch/arch.h" /* IWYU pragma: export */ |
e39c0676 | 12 | #include "../lib/types.h" |
836fcc0f | 13 | |
cca84643 JA |
14 | enum { |
15 | os_linux = 1, | |
16 | os_aix, | |
17 | os_freebsd, | |
18 | os_hpux, | |
19 | os_mac, | |
20 | os_netbsd, | |
3cd4c66f | 21 | os_openbsd, |
cca84643 JA |
22 | os_solaris, |
23 | os_windows, | |
ec5c6b12 | 24 | os_android, |
239b2882 | 25 | os_dragonfly, |
cca84643 JA |
26 | |
27 | os_nr, | |
28 | }; | |
29 | ||
58828d07 SW |
30 | typedef enum { |
31 | CPU_ARM64_CRC32C, | |
32 | } cpu_features; | |
33 | ||
c473a9bd | 34 | /* IWYU pragma: begin_exports */ |
ec5c6b12 AC |
35 | #if defined(__ANDROID__) |
36 | #include "os-android.h" | |
37 | #elif defined(__linux__) | |
ebac4655 JA |
38 | #include "os-linux.h" |
39 | #elif defined(__FreeBSD__) | |
40 | #include "os-freebsd.h" | |
3cd4c66f J |
41 | #elif defined(__OpenBSD__) |
42 | #include "os-openbsd.h" | |
7452440e YT |
43 | #elif defined(__NetBSD__) |
44 | #include "os-netbsd.h" | |
2c0ecd28 JA |
45 | #elif defined(__sun__) |
46 | #include "os-solaris.h" | |
2afd826b JA |
47 | #elif defined(__APPLE__) |
48 | #include "os-mac.h" | |
bf2e821a CC |
49 | #elif defined(_AIX) |
50 | #include "os-aix.h" | |
c00a2289 JA |
51 | #elif defined(__hpux) |
52 | #include "os-hpux.h" | |
93bcfd20 | 53 | #elif defined(WIN32) |
03e20d68 | 54 | #include "os-windows.h" |
239b2882 JA |
55 | #elif defined (__DragonFly__) |
56 | #include "os-dragonfly.h" | |
ebac4655 JA |
57 | #else |
58 | #error "unsupported os" | |
59 | #endif | |
60 | ||
67bf9823 | 61 | #ifdef CONFIG_POSIXAIO |
ebac4655 | 62 | #include <aio.h> |
e97c1442 JA |
63 | #ifndef FIO_OS_HAVE_AIOCB_TYPEDEF |
64 | typedef struct aiocb os_aiocb_t; | |
65 | #endif | |
ebac4655 JA |
66 | #endif |
67 | ||
4feafb1e | 68 | #ifndef CONFIG_STRSEP |
984f30c9 | 69 | #include "../oslib/strsep.h" |
5921e80c JA |
70 | #endif |
71 | ||
5ad7be56 | 72 | #ifndef CONFIG_STRLCAT |
984f30c9 | 73 | #include "../oslib/strlcat.h" |
5ad7be56 | 74 | #endif |
c473a9bd | 75 | /* IWYU pragma: end_exports */ |
5ad7be56 | 76 | |
8e239cae JA |
77 | #ifdef MSG_DONTWAIT |
78 | #define OS_MSG_DONTWAIT MSG_DONTWAIT | |
79 | #endif | |
80 | ||
4d8947de | 81 | #ifndef POSIX_FADV_DONTNEED |
ebac4655 JA |
82 | #define POSIX_FADV_DONTNEED (0) |
83 | #define POSIX_FADV_SEQUENTIAL (0) | |
84 | #define POSIX_FADV_RANDOM (0) | |
3ab9ebca | 85 | #define POSIX_FADV_NORMAL (0) |
4d8947de | 86 | #endif |
ebac4655 JA |
87 | |
88 | #ifndef FIO_HAVE_CPU_AFFINITY | |
be4ecfdf | 89 | #define fio_cpu_clear(mask, cpu) do { } while (0) |
7452440e | 90 | typedef unsigned long os_cpu_mask_t; |
3e55d40f TK |
91 | |
92 | static inline int fio_setaffinity(int pid, os_cpu_mask_t cpumask) | |
93 | { | |
94 | return 0; | |
95 | } | |
96 | ||
2c6772e2 TK |
97 | static inline int fio_getaffinity(int pid, os_cpu_mask_t *cpumask) |
98 | { | |
99 | return -1; | |
100 | } | |
101 | ||
3e55d40f TK |
102 | static inline int fio_cpuset_exit(os_cpu_mask_t *mask) |
103 | { | |
104 | return -1; | |
105 | } | |
106 | ||
107 | static inline int fio_cpus_split(os_cpu_mask_t *mask, unsigned int cpu_index) | |
108 | { | |
109 | return 0; | |
110 | } | |
c2acfbac JA |
111 | #else |
112 | extern int fio_cpus_split(os_cpu_mask_t *mask, unsigned int cpu); | |
ebac4655 JA |
113 | #endif |
114 | ||
115 | #ifndef FIO_HAVE_IOPRIO | |
28727df7 | 116 | #define ioprio_set(which, who, prioclass, prio) (0) |
ebac4655 JA |
117 | #endif |
118 | ||
2c0ecd28 | 119 | #ifndef FIO_HAVE_ODIRECT |
7d424763 JA |
120 | #define OS_O_DIRECT 0 |
121 | #else | |
122 | #define OS_O_DIRECT O_DIRECT | |
2c0ecd28 JA |
123 | #endif |
124 | ||
d01612f3 CM |
125 | #ifdef OS_O_ATOMIC |
126 | #define FIO_O_ATOMIC OS_O_ATOMIC | |
127 | #else | |
128 | #define FIO_O_ATOMIC 0 | |
129 | #endif | |
130 | ||
74b025b0 JA |
131 | #ifndef FIO_HAVE_HUGETLB |
132 | #define SHM_HUGETLB 0 | |
d6dc02fb | 133 | #define MAP_HUGETLB 0 |
4d8947de | 134 | #ifndef FIO_HUGE_PAGE |
74b025b0 | 135 | #define FIO_HUGE_PAGE 0 |
4d8947de | 136 | #endif |
74b025b0 | 137 | #else |
cb25df61 | 138 | #ifndef FIO_HUGE_PAGE |
ee0e0a71 | 139 | #define FIO_HUGE_PAGE 4194304 |
74b025b0 | 140 | #endif |
cb25df61 | 141 | #endif |
74b025b0 | 142 | |
39b93568 JA |
143 | #ifndef FIO_HAVE_MMAP_HUGE |
144 | #define MAP_HUGETLB 0 | |
145 | #endif | |
146 | ||
5921e80c JA |
147 | #ifndef FIO_O_NOATIME |
148 | #define FIO_O_NOATIME 0 | |
149 | #endif | |
150 | ||
dc873b6f JA |
151 | #ifndef OS_RAND_MAX |
152 | #define OS_RAND_MAX RAND_MAX | |
153 | #endif | |
154 | ||
07e5b264 | 155 | #ifndef FIO_HAVE_RAWBIND |
8cc7afa9 | 156 | #define fio_lookup_raw(dev, majdev, mindev) 1 |
07e5b264 JA |
157 | #endif |
158 | ||
58483fa4 | 159 | #ifndef FIO_PREFERRED_ENGINE |
df96a39e | 160 | #define FIO_PREFERRED_ENGINE "psync" |
58483fa4 JA |
161 | #endif |
162 | ||
b9fd788f | 163 | #ifndef FIO_OS_PATH_SEPARATOR |
53a7af85 | 164 | #define FIO_OS_PATH_SEPARATOR '/' |
b9fd788f BC |
165 | #endif |
166 | ||
16de1bf9 | 167 | #ifndef FIO_PREFERRED_CLOCK_SOURCE |
86e53416 | 168 | #ifdef CONFIG_CLOCK_GETTIME |
16de1bf9 | 169 | #define FIO_PREFERRED_CLOCK_SOURCE CS_CGETTIME |
86e53416 BC |
170 | #else |
171 | #define FIO_PREFERRED_CLOCK_SOURCE CS_GTOD | |
172 | #endif | |
16de1bf9 BC |
173 | #endif |
174 | ||
fca70358 | 175 | #ifndef FIO_MAX_JOBS |
cab2472e | 176 | #define FIO_MAX_JOBS 4096 |
fca70358 JA |
177 | #endif |
178 | ||
67bf9823 JA |
179 | #ifndef CONFIG_SOCKLEN_T |
180 | typedef unsigned int socklen_t; | |
5ba13ea6 JA |
181 | #endif |
182 | ||
45054cbe | 183 | #ifndef FIO_OS_HAS_CTIME_R |
1f81991e | 184 | #define os_ctime_r(x, y, z) (void) ctime_r((x), (y)) |
45054cbe SD |
185 | #endif |
186 | ||
901ebe18 | 187 | #ifdef FIO_USE_GENERIC_SWAP |
9677bec3 | 188 | static inline uint16_t fio_swap16(uint16_t val) |
232f9b73 JA |
189 | { |
190 | return (val << 8) | (val >> 8); | |
191 | } | |
192 | ||
901ebe18 | 193 | static inline uint32_t fio_swap32(uint32_t val) |
232f9b73 JA |
194 | { |
195 | val = ((val & 0xff00ff00UL) >> 8) | ((val & 0x00ff00ffUL) << 8); | |
196 | ||
197 | return (val >> 16) | (val << 16); | |
198 | } | |
199 | ||
901ebe18 | 200 | static inline uint64_t fio_swap64(uint64_t val) |
232f9b73 JA |
201 | { |
202 | val = ((val & 0xff00ff00ff00ff00ULL) >> 8) | | |
203 | ((val & 0x00ff00ff00ff00ffULL) << 8); | |
204 | val = ((val & 0xffff0000ffff0000ULL) >> 16) | | |
205 | ((val & 0x0000ffff0000ffffULL) << 16); | |
206 | ||
207 | return (val >> 32) | (val << 32); | |
208 | } | |
209 | #endif | |
210 | ||
ec5c6b12 | 211 | #ifndef FIO_HAVE_BYTEORDER_FUNCS |
0dcebdf4 | 212 | #ifdef CONFIG_LITTLE_ENDIAN |
b747af64 | 213 | #define __be64_to_cpu(x) fio_swap64(x) |
8111092f JA |
214 | #define __le16_to_cpu(x) (x) |
215 | #define __le32_to_cpu(x) (x) | |
216 | #define __le64_to_cpu(x) (x) | |
b747af64 | 217 | #define __cpu_to_be64(x) fio_swap64(x) |
8111092f JA |
218 | #define __cpu_to_le16(x) (x) |
219 | #define __cpu_to_le32(x) (x) | |
220 | #define __cpu_to_le64(x) (x) | |
221 | #else | |
b747af64 | 222 | #define __be64_to_cpu(x) (x) |
8111092f JA |
223 | #define __le16_to_cpu(x) fio_swap16(x) |
224 | #define __le32_to_cpu(x) fio_swap32(x) | |
225 | #define __le64_to_cpu(x) fio_swap64(x) | |
b747af64 | 226 | #define __cpu_to_be64(x) (x) |
8111092f JA |
227 | #define __cpu_to_le16(x) fio_swap16(x) |
228 | #define __cpu_to_le32(x) fio_swap32(x) | |
229 | #define __cpu_to_le64(x) fio_swap64(x) | |
230 | #endif | |
ec5c6b12 | 231 | #endif /* FIO_HAVE_BYTEORDER_FUNCS */ |
8111092f | 232 | |
0bbe46e7 | 233 | #ifdef FIO_INTERNAL |
b747af64 SW |
234 | #define be64_to_cpu(val) ({ \ |
235 | typecheck(uint64_t, val); \ | |
236 | __be64_to_cpu(val); \ | |
237 | }) | |
8111092f | 238 | #define le16_to_cpu(val) ({ \ |
ff8039b7 | 239 | typecheck(uint16_t, val); \ |
c46fda90 | 240 | __le16_to_cpu(val); \ |
8111092f JA |
241 | }) |
242 | #define le32_to_cpu(val) ({ \ | |
ff8039b7 | 243 | typecheck(uint32_t, val); \ |
c46fda90 | 244 | __le32_to_cpu(val); \ |
8111092f JA |
245 | }) |
246 | #define le64_to_cpu(val) ({ \ | |
ff8039b7 JA |
247 | typecheck(uint64_t, val); \ |
248 | __le64_to_cpu(val); \ | |
8111092f | 249 | }) |
0bbe46e7 DG |
250 | #endif |
251 | ||
b747af64 SW |
252 | #define cpu_to_be64(val) ({ \ |
253 | typecheck(uint64_t, val); \ | |
254 | __cpu_to_be64(val); \ | |
255 | }) | |
8111092f | 256 | #define cpu_to_le16(val) ({ \ |
ff8039b7 | 257 | typecheck(uint16_t, val); \ |
c46fda90 | 258 | __cpu_to_le16(val); \ |
8111092f JA |
259 | }) |
260 | #define cpu_to_le32(val) ({ \ | |
ff8039b7 | 261 | typecheck(uint32_t, val); \ |
c46fda90 | 262 | __cpu_to_le32(val); \ |
8111092f JA |
263 | }) |
264 | #define cpu_to_le64(val) ({ \ | |
ff8039b7 | 265 | typecheck(uint64_t, val); \ |
c46fda90 | 266 | __cpu_to_le64(val); \ |
8111092f JA |
267 | }) |
268 | ||
eb7ccf38 JA |
269 | #define FIO_DEF_CL_SIZE 128 |
270 | ||
271 | static inline int os_cache_line_size(void) | |
272 | { | |
273 | #ifdef FIO_HAVE_CL_SIZE | |
274 | int ret = arch_cache_line_size(); | |
275 | ||
276 | if (ret <= 0) | |
277 | return FIO_DEF_CL_SIZE; | |
278 | ||
279 | return ret; | |
280 | #else | |
281 | return FIO_DEF_CL_SIZE; | |
282 | #endif | |
283 | } | |
284 | ||
792d5517 | 285 | #ifdef FIO_USE_GENERIC_BDEV_SIZE |
ecc314ba | 286 | static inline int blockdev_size(struct fio_file *f, unsigned long long *bytes) |
792d5517 | 287 | { |
3b2e1464 | 288 | off_t end; |
792d5517 | 289 | |
3b2e1464 JA |
290 | *bytes = 0; |
291 | ||
ecc314ba | 292 | end = lseek(f->fd, 0, SEEK_END); |
792d5517 JA |
293 | if (end < 0) |
294 | return errno; | |
295 | ||
296 | *bytes = end; | |
297 | return 0; | |
298 | } | |
299 | #endif | |
300 | ||
53531370 JA |
301 | #ifdef FIO_USE_GENERIC_RAND |
302 | typedef unsigned int os_random_state_t; | |
303 | ||
304 | static inline void os_random_seed(unsigned long seed, os_random_state_t *rs) | |
305 | { | |
306 | srand(seed); | |
307 | } | |
308 | ||
309 | static inline long os_random_long(os_random_state_t *rs) | |
310 | { | |
311 | long val; | |
312 | ||
313 | val = rand_r(rs); | |
314 | return val; | |
315 | } | |
316 | #endif | |
317 | ||
93bcfd20 | 318 | #ifdef FIO_USE_GENERIC_INIT_RANDOM_STATE |
1ed84d86 | 319 | static inline int init_random_seeds(unsigned long *rand_seeds, int size) |
93bcfd20 BC |
320 | { |
321 | int fd; | |
322 | ||
323 | fd = open("/dev/urandom", O_RDONLY); | |
324 | if (fd == -1) { | |
325 | return 1; | |
326 | } | |
327 | ||
328 | if (read(fd, rand_seeds, size) < size) { | |
329 | close(fd); | |
330 | return 1; | |
331 | } | |
332 | ||
333 | close(fd); | |
93bcfd20 BC |
334 | return 0; |
335 | } | |
336 | #endif | |
337 | ||
2e3bd4c2 | 338 | #ifndef FIO_HAVE_FS_STAT |
c08ad04c | 339 | static inline unsigned long long get_fs_free_size(const char *path) |
2e3bd4c2 JA |
340 | { |
341 | return 0; | |
342 | } | |
343 | #endif | |
344 | ||
c00a2289 JA |
345 | #ifndef FIO_HAVE_CPU_ONLINE_SYSCONF |
346 | static inline unsigned int cpus_online(void) | |
347 | { | |
348 | return sysconf(_SC_NPROCESSORS_ONLN); | |
349 | } | |
350 | #endif | |
351 | ||
7221da37 | 352 | #ifndef CPU_COUNT |
6cf71c24 JA |
353 | #ifdef FIO_HAVE_CPU_AFFINITY |
354 | static inline int CPU_COUNT(os_cpu_mask_t *mask) | |
355 | { | |
356 | int max_cpus = cpus_online(); | |
357 | int nr_cpus, i; | |
358 | ||
359 | for (i = 0, nr_cpus = 0; i < max_cpus; i++) | |
360 | if (fio_cpu_isset(mask, i)) | |
361 | nr_cpus++; | |
362 | ||
363 | return nr_cpus; | |
364 | } | |
365 | #endif | |
366 | #endif | |
367 | ||
47f767c1 JA |
368 | #ifndef FIO_HAVE_GETTID |
369 | static inline int gettid(void) | |
370 | { | |
371 | return getpid(); | |
372 | } | |
373 | #endif | |
374 | ||
0cfe2089 TK |
375 | #ifndef FIO_HAVE_SHM_ATTACH_REMOVED |
376 | static inline int shm_attach_to_open_removed(void) | |
377 | { | |
378 | return 0; | |
379 | } | |
380 | #endif | |
381 | ||
2c3e17be SW |
382 | #ifndef FIO_HAVE_NATIVE_FALLOCATE |
383 | static inline bool fio_fallocate(struct fio_file *f, uint64_t offset, uint64_t len) | |
384 | { | |
385 | errno = ENOSYS; | |
386 | return false; | |
387 | } | |
388 | #endif | |
389 | ||
cbbdf1c8 SW |
390 | #if defined(CONFIG_POSIX_FALLOCATE) || defined(FIO_HAVE_NATIVE_FALLOCATE) |
391 | # define FIO_HAVE_ANY_FALLOCATE | |
392 | #endif | |
393 | ||
58828d07 SW |
394 | #ifndef FIO_HAVE_CPU_HAS |
395 | static inline bool os_cpu_has(cpu_features feature) | |
396 | { | |
397 | return false; | |
398 | } | |
399 | #endif | |
400 | ||
ebac4655 | 401 | #endif |