5 #include <sys/socket.h>
11 #include "../arch/arch.h"
12 #include "../lib/types.h"
30 #if defined(__ANDROID__)
31 #include "os-android.h"
32 #elif defined(__linux__)
34 #elif defined(__FreeBSD__)
35 #include "os-freebsd.h"
36 #elif defined(__OpenBSD__)
37 #include "os-openbsd.h"
38 #elif defined(__NetBSD__)
39 #include "os-netbsd.h"
40 #elif defined(__sun__)
41 #include "os-solaris.h"
42 #elif defined(__APPLE__)
49 #include "os-windows.h"
50 #elif defined (__DragonFly__)
51 #include "os-dragonfly.h"
53 #error "unsupported os"
56 #ifdef CONFIG_POSIXAIO
58 #ifndef FIO_OS_HAVE_AIOCB_TYPEDEF
59 typedef struct aiocb os_aiocb_t;
64 #include "../oslib/strsep.h"
67 #ifndef CONFIG_STRLCAT
68 #include "../oslib/strlcat.h"
72 #define OS_MSG_DONTWAIT MSG_DONTWAIT
75 #ifndef POSIX_FADV_DONTNEED
76 #define POSIX_FADV_DONTNEED (0)
77 #define POSIX_FADV_SEQUENTIAL (0)
78 #define POSIX_FADV_RANDOM (0)
79 #define POSIX_FADV_NORMAL (0)
82 #ifndef FIO_HAVE_CPU_AFFINITY
83 #define fio_cpu_clear(mask, cpu) do { } while (0)
84 typedef unsigned long os_cpu_mask_t;
86 static inline int fio_setaffinity(int pid, os_cpu_mask_t cpumask)
91 static inline int fio_getaffinity(int pid, os_cpu_mask_t *cpumask)
96 static inline int fio_cpuset_exit(os_cpu_mask_t *mask)
101 static inline int fio_cpus_split(os_cpu_mask_t *mask, unsigned int cpu_index)
106 extern int fio_cpus_split(os_cpu_mask_t *mask, unsigned int cpu);
109 #ifndef FIO_HAVE_IOPRIO
110 #define ioprio_set(which, who, prioclass, prio) (0)
113 #ifndef FIO_HAVE_ODIRECT
114 #define OS_O_DIRECT 0
116 #define OS_O_DIRECT O_DIRECT
120 #define FIO_O_ATOMIC OS_O_ATOMIC
122 #define FIO_O_ATOMIC 0
125 #ifndef FIO_HAVE_HUGETLB
126 #define SHM_HUGETLB 0
127 #define MAP_HUGETLB 0
128 #ifndef FIO_HUGE_PAGE
129 #define FIO_HUGE_PAGE 0
132 #ifndef FIO_HUGE_PAGE
133 #define FIO_HUGE_PAGE 4194304
137 #ifndef FIO_HAVE_MMAP_HUGE
138 #define MAP_HUGETLB 0
141 #ifndef FIO_O_NOATIME
142 #define FIO_O_NOATIME 0
146 #define OS_RAND_MAX RAND_MAX
149 #ifndef FIO_HAVE_RAWBIND
150 #define fio_lookup_raw(dev, majdev, mindev) 1
153 #ifndef FIO_PREFERRED_ENGINE
154 #define FIO_PREFERRED_ENGINE "psync"
157 #ifndef FIO_OS_PATH_SEPARATOR
158 #define FIO_OS_PATH_SEPARATOR '/'
161 #ifndef FIO_PREFERRED_CLOCK_SOURCE
162 #ifdef CONFIG_CLOCK_GETTIME
163 #define FIO_PREFERRED_CLOCK_SOURCE CS_CGETTIME
165 #define FIO_PREFERRED_CLOCK_SOURCE CS_GTOD
170 #define FIO_MAX_JOBS 4096
173 #ifndef CONFIG_SOCKLEN_T
174 typedef unsigned int socklen_t;
177 #ifndef FIO_OS_HAS_CTIME_R
178 #define os_ctime_r(x, y, z) (void) ctime_r((x), (y))
181 #ifdef FIO_USE_GENERIC_SWAP
182 static inline uint16_t fio_swap16(uint16_t val)
184 return (val << 8) | (val >> 8);
187 static inline uint32_t fio_swap32(uint32_t val)
189 val = ((val & 0xff00ff00UL) >> 8) | ((val & 0x00ff00ffUL) << 8);
191 return (val >> 16) | (val << 16);
194 static inline uint64_t fio_swap64(uint64_t val)
196 val = ((val & 0xff00ff00ff00ff00ULL) >> 8) |
197 ((val & 0x00ff00ff00ff00ffULL) << 8);
198 val = ((val & 0xffff0000ffff0000ULL) >> 16) |
199 ((val & 0x0000ffff0000ffffULL) << 16);
201 return (val >> 32) | (val << 32);
205 #ifndef FIO_HAVE_BYTEORDER_FUNCS
206 #ifdef CONFIG_LITTLE_ENDIAN
207 #define __be64_to_cpu(x) fio_swap64(x)
208 #define __le16_to_cpu(x) (x)
209 #define __le32_to_cpu(x) (x)
210 #define __le64_to_cpu(x) (x)
211 #define __cpu_to_be64(x) fio_swap64(x)
212 #define __cpu_to_le16(x) (x)
213 #define __cpu_to_le32(x) (x)
214 #define __cpu_to_le64(x) (x)
216 #define __be64_to_cpu(x) (x)
217 #define __le16_to_cpu(x) fio_swap16(x)
218 #define __le32_to_cpu(x) fio_swap32(x)
219 #define __le64_to_cpu(x) fio_swap64(x)
220 #define __cpu_to_be64(x) (x)
221 #define __cpu_to_le16(x) fio_swap16(x)
222 #define __cpu_to_le32(x) fio_swap32(x)
223 #define __cpu_to_le64(x) fio_swap64(x)
225 #endif /* FIO_HAVE_BYTEORDER_FUNCS */
228 #define be64_to_cpu(val) ({ \
229 typecheck(uint64_t, val); \
230 __be64_to_cpu(val); \
232 #define le16_to_cpu(val) ({ \
233 typecheck(uint16_t, val); \
234 __le16_to_cpu(val); \
236 #define le32_to_cpu(val) ({ \
237 typecheck(uint32_t, val); \
238 __le32_to_cpu(val); \
240 #define le64_to_cpu(val) ({ \
241 typecheck(uint64_t, val); \
242 __le64_to_cpu(val); \
246 #define cpu_to_be64(val) ({ \
247 typecheck(uint64_t, val); \
248 __cpu_to_be64(val); \
250 #define cpu_to_le16(val) ({ \
251 typecheck(uint16_t, val); \
252 __cpu_to_le16(val); \
254 #define cpu_to_le32(val) ({ \
255 typecheck(uint32_t, val); \
256 __cpu_to_le32(val); \
258 #define cpu_to_le64(val) ({ \
259 typecheck(uint64_t, val); \
260 __cpu_to_le64(val); \
263 #define FIO_DEF_CL_SIZE 128
265 static inline int os_cache_line_size(void)
267 #ifdef FIO_HAVE_CL_SIZE
268 int ret = arch_cache_line_size();
271 return FIO_DEF_CL_SIZE;
275 return FIO_DEF_CL_SIZE;
279 #ifdef FIO_USE_GENERIC_BDEV_SIZE
280 static inline int blockdev_size(struct fio_file *f, unsigned long long *bytes)
286 end = lseek(f->fd, 0, SEEK_END);
295 #ifdef FIO_USE_GENERIC_RAND
296 typedef unsigned int os_random_state_t;
298 static inline void os_random_seed(unsigned long seed, os_random_state_t *rs)
303 static inline long os_random_long(os_random_state_t *rs)
312 #ifdef FIO_USE_GENERIC_INIT_RANDOM_STATE
313 static inline int init_random_seeds(unsigned long *rand_seeds, int size)
317 fd = open("/dev/urandom", O_RDONLY);
322 if (read(fd, rand_seeds, size) < size) {
332 #ifndef FIO_HAVE_FS_STAT
333 static inline unsigned long long get_fs_free_size(const char *path)
339 #ifndef FIO_HAVE_CPU_ONLINE_SYSCONF
340 static inline unsigned int cpus_online(void)
342 return sysconf(_SC_NPROCESSORS_ONLN);
347 #ifdef FIO_HAVE_CPU_AFFINITY
348 static inline int CPU_COUNT(os_cpu_mask_t *mask)
350 int max_cpus = cpus_online();
353 for (i = 0, nr_cpus = 0; i < max_cpus; i++)
354 if (fio_cpu_isset(mask, i))
362 #ifndef FIO_HAVE_GETTID
363 static inline int gettid(void)
369 #ifndef FIO_HAVE_SHM_ATTACH_REMOVED
370 static inline int shm_attach_to_open_removed(void)
376 #ifndef FIO_HAVE_NATIVE_FALLOCATE
377 static inline bool fio_fallocate(struct fio_file *f, uint64_t offset, uint64_t len)
384 #if defined(CONFIG_POSIX_FALLOCATE) || defined(FIO_HAVE_NATIVE_FALLOCATE)
385 # define FIO_HAVE_ANY_FALLOCATE