5 #include <sys/socket.h>
12 #include "../arch/arch.h" /* IWYU pragma: export */
13 #include "../lib/types.h"
35 /* IWYU pragma: begin_exports */
36 #if defined(__linux__)
38 #elif defined(__FreeBSD__)
39 #include "os-freebsd.h"
40 #elif defined(__OpenBSD__)
41 #include "os-openbsd.h"
42 #elif defined(__NetBSD__)
43 #include "os-netbsd.h"
44 #elif defined(__sun__)
45 #include "os-solaris.h"
46 #elif defined(__APPLE__)
53 #include "os-windows.h"
54 #elif defined (__DragonFly__)
55 #include "os-dragonfly.h"
57 #error "unsupported os"
64 #ifdef CONFIG_POSIXAIO
66 #ifndef FIO_OS_HAVE_AIOCB_TYPEDEF
67 typedef struct aiocb os_aiocb_t;
72 #include "../oslib/strsep.h"
75 #ifndef CONFIG_STRLCAT
76 #include "../oslib/strlcat.h"
78 /* IWYU pragma: end_exports */
81 #define OS_MSG_DONTWAIT MSG_DONTWAIT
84 #ifndef POSIX_FADV_DONTNEED
85 #define POSIX_FADV_DONTNEED (0)
86 #define POSIX_FADV_SEQUENTIAL (0)
87 #define POSIX_FADV_RANDOM (0)
88 #define POSIX_FADV_NORMAL (0)
91 #ifndef FIO_HAVE_CPU_AFFINITY
92 #define fio_cpu_clear(mask, cpu) do { } while (0)
93 typedef unsigned long os_cpu_mask_t;
95 static inline int fio_setaffinity(int pid, os_cpu_mask_t cpumask)
100 static inline int fio_getaffinity(int pid, os_cpu_mask_t *cpumask)
105 static inline int fio_cpuset_exit(os_cpu_mask_t *mask)
110 static inline int fio_cpus_split(os_cpu_mask_t *mask, unsigned int cpu_index)
115 extern int fio_cpus_split(os_cpu_mask_t *mask, unsigned int cpu);
118 #ifndef FIO_HAVE_IOPRIO_CLASS
119 #define ioprio_class(prio) 0
120 #define ioprio_value_is_class_rt(prio) (false)
121 #define IOPRIO_MIN_PRIO_CLASS 0
122 #define IOPRIO_MAX_PRIO_CLASS 0
123 #define ioprio_hint(prio) 0
124 #define IOPRIO_MIN_PRIO_HINT 0
125 #define IOPRIO_MAX_PRIO_HINT 0
127 #ifndef FIO_HAVE_IOPRIO
128 #define ioprio_value(prioclass, prio, priohint) (0)
129 #define ioprio(ioprio) 0
130 #define ioprio_set(which, who, prioclass, prio, priohint) (0)
131 #define IOPRIO_MIN_PRIO 0
132 #define IOPRIO_MAX_PRIO 0
135 #ifndef FIO_HAVE_ODIRECT
136 #define OS_O_DIRECT 0
138 #define OS_O_DIRECT O_DIRECT
141 #ifndef FIO_HAVE_HUGETLB
142 #define SHM_HUGETLB 0
143 #define MAP_HUGETLB 0
144 #ifndef FIO_HUGE_PAGE
145 #define FIO_HUGE_PAGE 0
148 #ifndef FIO_HUGE_PAGE
149 #define FIO_HUGE_PAGE 4194304
153 #ifndef FIO_HAVE_MMAP_HUGE
154 #define MAP_HUGETLB 0
157 #ifndef FIO_O_NOATIME
158 #define FIO_O_NOATIME 0
162 #define OS_RAND_MAX RAND_MAX
165 #ifndef FIO_PREFERRED_ENGINE
166 #define FIO_PREFERRED_ENGINE "psync"
169 #ifndef FIO_OS_PATH_SEPARATOR
170 #define FIO_OS_PATH_SEPARATOR '/'
173 #ifndef FIO_PREFERRED_CLOCK_SOURCE
174 #ifdef CONFIG_CLOCK_GETTIME
175 #define FIO_PREFERRED_CLOCK_SOURCE CS_CGETTIME
177 #define FIO_PREFERRED_CLOCK_SOURCE CS_GTOD
181 #ifndef CONFIG_SOCKLEN_T
182 typedef unsigned int socklen_t;
185 #ifndef FIO_OS_HAS_CTIME_R
186 #define os_ctime_r(x, y, z) (void) ctime_r((x), (y))
189 #ifdef FIO_USE_GENERIC_SWAP
190 static inline uint16_t fio_swap16(uint16_t val)
192 return (val << 8) | (val >> 8);
195 static inline uint32_t fio_swap32(uint32_t val)
197 val = ((val & 0xff00ff00UL) >> 8) | ((val & 0x00ff00ffUL) << 8);
199 return (val >> 16) | (val << 16);
202 static inline uint64_t fio_swap64(uint64_t val)
204 val = ((val & 0xff00ff00ff00ff00ULL) >> 8) |
205 ((val & 0x00ff00ff00ff00ffULL) << 8);
206 val = ((val & 0xffff0000ffff0000ULL) >> 16) |
207 ((val & 0x0000ffff0000ffffULL) << 16);
209 return (val >> 32) | (val << 32);
213 #ifndef FIO_HAVE_BYTEORDER_FUNCS
214 #ifdef CONFIG_LITTLE_ENDIAN
215 #define __be16_to_cpu(x) fio_swap16(x)
216 #define __be32_to_cpu(x) fio_swap32(x)
217 #define __be64_to_cpu(x) fio_swap64(x)
218 #define __le16_to_cpu(x) (x)
219 #define __le32_to_cpu(x) (x)
220 #define __le64_to_cpu(x) (x)
221 #define __cpu_to_be16(x) fio_swap16(x)
222 #define __cpu_to_be32(x) fio_swap32(x)
223 #define __cpu_to_be64(x) fio_swap64(x)
224 #define __cpu_to_le16(x) (x)
225 #define __cpu_to_le32(x) (x)
226 #define __cpu_to_le64(x) (x)
228 #define __be16_to_cpu(x) (x)
229 #define __be32_to_cpu(x) (x)
230 #define __be64_to_cpu(x) (x)
231 #define __le16_to_cpu(x) fio_swap16(x)
232 #define __le32_to_cpu(x) fio_swap32(x)
233 #define __le64_to_cpu(x) fio_swap64(x)
234 #define __cpu_to_be16(x) (x)
235 #define __cpu_to_be32(x) (x)
236 #define __cpu_to_be64(x) (x)
237 #define __cpu_to_le16(x) fio_swap16(x)
238 #define __cpu_to_le32(x) fio_swap32(x)
239 #define __cpu_to_le64(x) fio_swap64(x)
241 #endif /* FIO_HAVE_BYTEORDER_FUNCS */
244 #define be16_to_cpu(val) ({ \
245 typecheck(uint16_t, val); \
246 __be16_to_cpu(val); \
248 #define be32_to_cpu(val) ({ \
249 typecheck(uint32_t, val); \
250 __be32_to_cpu(val); \
252 #define be64_to_cpu(val) ({ \
253 typecheck(uint64_t, val); \
254 __be64_to_cpu(val); \
256 #define le16_to_cpu(val) ({ \
257 typecheck(uint16_t, val); \
258 __le16_to_cpu(val); \
260 #define le32_to_cpu(val) ({ \
261 typecheck(uint32_t, val); \
262 __le32_to_cpu(val); \
264 #define le64_to_cpu(val) ({ \
265 typecheck(uint64_t, val); \
266 __le64_to_cpu(val); \
270 #define cpu_to_be16(val) ({ \
271 typecheck(uint16_t, val); \
272 __cpu_to_be16(val); \
274 #define cpu_to_be32(val) ({ \
275 typecheck(uint32_t, val); \
276 __cpu_to_be32(val); \
278 #define cpu_to_be64(val) ({ \
279 typecheck(uint64_t, val); \
280 __cpu_to_be64(val); \
282 #define cpu_to_le16(val) ({ \
283 typecheck(uint16_t, val); \
284 __cpu_to_le16(val); \
286 #define cpu_to_le32(val) ({ \
287 typecheck(uint32_t, val); \
288 __cpu_to_le32(val); \
290 #define cpu_to_le64(val) ({ \
291 typecheck(uint64_t, val); \
292 __cpu_to_le64(val); \
295 #define FIO_DEF_CL_SIZE 128
297 static inline int os_cache_line_size(void)
299 #ifdef FIO_HAVE_CL_SIZE
300 int ret = arch_cache_line_size();
303 return FIO_DEF_CL_SIZE;
307 return FIO_DEF_CL_SIZE;
311 #ifdef FIO_USE_GENERIC_BDEV_SIZE
312 static inline int blockdev_size(struct fio_file *f, unsigned long long *bytes)
318 end = lseek(f->fd, 0, SEEK_END);
327 #ifdef FIO_USE_GENERIC_INIT_RANDOM_STATE
328 static inline int init_random_seeds(uint64_t *rand_seeds, int size)
332 fd = open("/dev/urandom", O_RDONLY);
337 if (read(fd, rand_seeds, size) < size) {
347 #ifndef FIO_HAVE_FS_STAT
348 static inline unsigned long long get_fs_free_size(const char *path)
354 #ifndef FIO_HAVE_CPU_CONF_SYSCONF
355 static inline unsigned int cpus_configured(void)
357 int nr_cpus = sysconf(_SC_NPROCESSORS_CONF);
359 return nr_cpus >= 1 ? nr_cpus : 1;
364 #ifdef FIO_HAVE_CPU_AFFINITY
365 static inline int CPU_COUNT(os_cpu_mask_t *mask)
367 int max_cpus = cpus_configured();
370 for (i = 0, nr_cpus = 0; i < max_cpus; i++)
371 if (fio_cpu_isset(mask, i))
379 #ifndef FIO_HAVE_GETTID
380 #ifndef CONFIG_HAVE_GETTID
381 static inline int gettid(void)
388 #ifndef FIO_HAVE_SHM_ATTACH_REMOVED
389 static inline int shm_attach_to_open_removed(void)
395 #ifndef FIO_HAVE_NATIVE_FALLOCATE
396 static inline bool fio_fallocate(struct fio_file *f, uint64_t offset, uint64_t len)
403 #if defined(CONFIG_POSIX_FALLOCATE) || defined(FIO_HAVE_NATIVE_FALLOCATE)
404 # define FIO_HAVE_DEFAULT_FALLOCATE
407 #ifndef FIO_HAVE_CPU_HAS
408 static inline bool os_cpu_has(cpu_features feature)
414 #ifndef FIO_EMULATED_MKDIR_TWO
415 # define fio_mkdir(path, mode) mkdir(path, mode)
419 static inline void os_clk_tck(long *clk_tck)
421 *clk_tck = sysconf(_SC_CLK_TCK);
424 extern void os_clk_tck(long *clk_tck);
427 #endif /* FIO_OS_H */