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(__ANDROID__)
37 #include "os-android.h"
38 #elif defined(__linux__)
40 #elif defined(__FreeBSD__)
41 #include "os-freebsd.h"
42 #elif defined(__OpenBSD__)
43 #include "os-openbsd.h"
44 #elif defined(__NetBSD__)
45 #include "os-netbsd.h"
46 #elif defined(__sun__)
47 #include "os-solaris.h"
48 #elif defined(__APPLE__)
55 #include "os-windows.h"
56 #elif defined (__DragonFly__)
57 #include "os-dragonfly.h"
59 #error "unsupported os"
66 #ifdef CONFIG_POSIXAIO
68 #ifndef FIO_OS_HAVE_AIOCB_TYPEDEF
69 typedef struct aiocb os_aiocb_t;
74 #include "../oslib/strsep.h"
77 #ifndef CONFIG_STRLCAT
78 #include "../oslib/strlcat.h"
80 /* IWYU pragma: end_exports */
83 #define OS_MSG_DONTWAIT MSG_DONTWAIT
86 #ifndef POSIX_FADV_DONTNEED
87 #define POSIX_FADV_DONTNEED (0)
88 #define POSIX_FADV_SEQUENTIAL (0)
89 #define POSIX_FADV_RANDOM (0)
90 #define POSIX_FADV_NORMAL (0)
93 #ifndef FIO_HAVE_CPU_AFFINITY
94 #define fio_cpu_clear(mask, cpu) do { } while (0)
95 typedef unsigned long os_cpu_mask_t;
97 static inline int fio_setaffinity(int pid, os_cpu_mask_t cpumask)
102 static inline int fio_getaffinity(int pid, os_cpu_mask_t *cpumask)
107 static inline int fio_cpuset_exit(os_cpu_mask_t *mask)
112 static inline int fio_cpus_split(os_cpu_mask_t *mask, unsigned int cpu_index)
117 extern int fio_cpus_split(os_cpu_mask_t *mask, unsigned int cpu);
120 #ifndef FIO_HAVE_IOPRIO_CLASS
121 #define ioprio_value_is_class_rt(prio) (false)
122 #define IOPRIO_MIN_PRIO_CLASS 0
123 #define IOPRIO_MAX_PRIO_CLASS 0
125 #ifndef FIO_HAVE_IOPRIO
126 #define ioprio_value(prioclass, prio) (0)
127 #define ioprio_set(which, who, prioclass, prio) (0)
128 #define IOPRIO_MIN_PRIO 0
129 #define IOPRIO_MAX_PRIO 0
132 #ifndef FIO_HAVE_ODIRECT
133 #define OS_O_DIRECT 0
135 #define OS_O_DIRECT O_DIRECT
139 #define FIO_O_ATOMIC OS_O_ATOMIC
141 #define FIO_O_ATOMIC 0
144 #ifndef FIO_HAVE_HUGETLB
145 #define SHM_HUGETLB 0
146 #define MAP_HUGETLB 0
147 #ifndef FIO_HUGE_PAGE
148 #define FIO_HUGE_PAGE 0
151 #ifndef FIO_HUGE_PAGE
152 #define FIO_HUGE_PAGE 4194304
156 #ifndef FIO_HAVE_MMAP_HUGE
157 #define MAP_HUGETLB 0
160 #ifndef FIO_O_NOATIME
161 #define FIO_O_NOATIME 0
165 #define OS_RAND_MAX RAND_MAX
168 #ifndef FIO_PREFERRED_ENGINE
169 #define FIO_PREFERRED_ENGINE "psync"
172 #ifndef FIO_OS_PATH_SEPARATOR
173 #define FIO_OS_PATH_SEPARATOR '/'
176 #ifndef FIO_PREFERRED_CLOCK_SOURCE
177 #ifdef CONFIG_CLOCK_GETTIME
178 #define FIO_PREFERRED_CLOCK_SOURCE CS_CGETTIME
180 #define FIO_PREFERRED_CLOCK_SOURCE CS_GTOD
184 #ifndef CONFIG_SOCKLEN_T
185 typedef unsigned int socklen_t;
188 #ifndef FIO_OS_HAS_CTIME_R
189 #define os_ctime_r(x, y, z) (void) ctime_r((x), (y))
192 #ifdef FIO_USE_GENERIC_SWAP
193 static inline uint16_t fio_swap16(uint16_t val)
195 return (val << 8) | (val >> 8);
198 static inline uint32_t fio_swap32(uint32_t val)
200 val = ((val & 0xff00ff00UL) >> 8) | ((val & 0x00ff00ffUL) << 8);
202 return (val >> 16) | (val << 16);
205 static inline uint64_t fio_swap64(uint64_t val)
207 val = ((val & 0xff00ff00ff00ff00ULL) >> 8) |
208 ((val & 0x00ff00ff00ff00ffULL) << 8);
209 val = ((val & 0xffff0000ffff0000ULL) >> 16) |
210 ((val & 0x0000ffff0000ffffULL) << 16);
212 return (val >> 32) | (val << 32);
216 #ifndef FIO_HAVE_BYTEORDER_FUNCS
217 #ifdef CONFIG_LITTLE_ENDIAN
218 #define __be16_to_cpu(x) fio_swap16(x)
219 #define __be32_to_cpu(x) fio_swap32(x)
220 #define __be64_to_cpu(x) fio_swap64(x)
221 #define __le16_to_cpu(x) (x)
222 #define __le32_to_cpu(x) (x)
223 #define __le64_to_cpu(x) (x)
224 #define __cpu_to_be16(x) fio_swap16(x)
225 #define __cpu_to_be32(x) fio_swap32(x)
226 #define __cpu_to_be64(x) fio_swap64(x)
227 #define __cpu_to_le16(x) (x)
228 #define __cpu_to_le32(x) (x)
229 #define __cpu_to_le64(x) (x)
231 #define __be16_to_cpu(x) (x)
232 #define __be32_to_cpu(x) (x)
233 #define __be64_to_cpu(x) (x)
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)
237 #define __cpu_to_be16(x) (x)
238 #define __cpu_to_be32(x) (x)
239 #define __cpu_to_be64(x) (x)
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)
244 #endif /* FIO_HAVE_BYTEORDER_FUNCS */
247 #define be16_to_cpu(val) ({ \
248 typecheck(uint16_t, val); \
249 __be16_to_cpu(val); \
251 #define be32_to_cpu(val) ({ \
252 typecheck(uint32_t, val); \
253 __be32_to_cpu(val); \
255 #define be64_to_cpu(val) ({ \
256 typecheck(uint64_t, val); \
257 __be64_to_cpu(val); \
259 #define le16_to_cpu(val) ({ \
260 typecheck(uint16_t, val); \
261 __le16_to_cpu(val); \
263 #define le32_to_cpu(val) ({ \
264 typecheck(uint32_t, val); \
265 __le32_to_cpu(val); \
267 #define le64_to_cpu(val) ({ \
268 typecheck(uint64_t, val); \
269 __le64_to_cpu(val); \
273 #define cpu_to_be16(val) ({ \
274 typecheck(uint16_t, val); \
275 __cpu_to_be16(val); \
277 #define cpu_to_be32(val) ({ \
278 typecheck(uint32_t, val); \
279 __cpu_to_be32(val); \
281 #define cpu_to_be64(val) ({ \
282 typecheck(uint64_t, val); \
283 __cpu_to_be64(val); \
285 #define cpu_to_le16(val) ({ \
286 typecheck(uint16_t, val); \
287 __cpu_to_le16(val); \
289 #define cpu_to_le32(val) ({ \
290 typecheck(uint32_t, val); \
291 __cpu_to_le32(val); \
293 #define cpu_to_le64(val) ({ \
294 typecheck(uint64_t, val); \
295 __cpu_to_le64(val); \
298 #define FIO_DEF_CL_SIZE 128
300 static inline int os_cache_line_size(void)
302 #ifdef FIO_HAVE_CL_SIZE
303 int ret = arch_cache_line_size();
306 return FIO_DEF_CL_SIZE;
310 return FIO_DEF_CL_SIZE;
314 #ifdef FIO_USE_GENERIC_BDEV_SIZE
315 static inline int blockdev_size(struct fio_file *f, unsigned long long *bytes)
321 end = lseek(f->fd, 0, SEEK_END);
330 #ifdef FIO_USE_GENERIC_INIT_RANDOM_STATE
331 static inline int init_random_seeds(uint64_t *rand_seeds, int size)
335 fd = open("/dev/urandom", O_RDONLY);
340 if (read(fd, rand_seeds, size) < size) {
350 #ifndef FIO_HAVE_FS_STAT
351 static inline unsigned long long get_fs_free_size(const char *path)
357 #ifndef FIO_HAVE_CPU_ONLINE_SYSCONF
358 static inline unsigned int cpus_online(void)
360 return sysconf(_SC_NPROCESSORS_ONLN);
365 #ifdef FIO_HAVE_CPU_AFFINITY
366 static inline int CPU_COUNT(os_cpu_mask_t *mask)
368 int max_cpus = cpus_online();
371 for (i = 0, nr_cpus = 0; i < max_cpus; i++)
372 if (fio_cpu_isset(mask, i))
380 #ifndef FIO_HAVE_GETTID
381 #ifndef CONFIG_HAVE_GETTID
382 static inline int gettid(void)
389 #ifndef FIO_HAVE_SHM_ATTACH_REMOVED
390 static inline int shm_attach_to_open_removed(void)
396 #ifndef FIO_HAVE_NATIVE_FALLOCATE
397 static inline bool fio_fallocate(struct fio_file *f, uint64_t offset, uint64_t len)
404 #if defined(CONFIG_POSIX_FALLOCATE) || defined(FIO_HAVE_NATIVE_FALLOCATE)
405 # define FIO_HAVE_DEFAULT_FALLOCATE
408 #ifndef FIO_HAVE_CPU_HAS
409 static inline bool os_cpu_has(cpu_features feature)
415 #ifndef FIO_EMULATED_MKDIR_TWO
416 # define fio_mkdir(path, mode) mkdir(path, mode)
420 static inline void os_clk_tck(long *clk_tck)
422 *clk_tck = sysconf(_SC_CLK_TCK);
425 extern void os_clk_tck(long *clk_tck);
428 #endif /* FIO_OS_H */