5 #include <sys/socket.h>
25 #if defined(__ANDROID__)
26 #include "os-android.h"
27 #elif defined(__linux__)
29 #elif defined(__FreeBSD__)
30 #include "os-freebsd.h"
31 #elif defined(__NetBSD__)
32 #include "os-netbsd.h"
33 #elif defined(__sun__)
34 #include "os-solaris.h"
35 #elif defined(__APPLE__)
42 #include "os-windows.h"
44 #error "unsupported os"
47 #ifdef FIO_HAVE_LIBAIO
51 #ifdef FIO_HAVE_POSIXAIO
53 #ifndef FIO_OS_HAVE_AIOCB_TYPEDEF
54 typedef struct aiocb os_aiocb_t;
63 #ifndef FIO_HAVE_STRSEP
64 #include "../lib/strsep.h"
68 #define OS_MSG_DONTWAIT MSG_DONTWAIT
71 #ifndef FIO_HAVE_FADVISE
72 static inline int posix_fadvise(int fd, int off, int len, int advice)
81 #ifndef POSIX_FADV_DONTNEED
82 #define POSIX_FADV_DONTNEED (0)
83 #define POSIX_FADV_SEQUENTIAL (0)
84 #define POSIX_FADV_RANDOM (0)
86 #endif /* FIO_HAVE_FADVISE */
88 #ifndef FIO_HAVE_CPU_AFFINITY
89 #define fio_setaffinity(pid, mask) (0)
90 #define fio_getaffinity(pid, mask) do { } while (0)
91 #define fio_cpu_clear(mask, cpu) do { } while (0)
92 #define fio_cpuset_exit(mask) (-1)
93 typedef unsigned long os_cpu_mask_t;
96 #ifndef FIO_HAVE_IOPRIO
97 #define ioprio_set(which, who, prio) (0)
100 #ifndef FIO_HAVE_ODIRECT
101 #define OS_O_DIRECT 0
103 #define OS_O_DIRECT O_DIRECT
106 #ifndef FIO_HAVE_HUGETLB
107 #define SHM_HUGETLB 0
108 #define MAP_HUGETLB 0
109 #ifndef FIO_HUGE_PAGE
110 #define FIO_HUGE_PAGE 0
113 #ifndef FIO_HUGE_PAGE
114 #define FIO_HUGE_PAGE 4194304
118 #ifndef FIO_HAVE_MMAP_HUGE
119 #define MAP_HUGETLB 0
122 #ifndef FIO_O_NOATIME
123 #define FIO_O_NOATIME 0
127 #define OS_RAND_MAX RAND_MAX
130 #ifdef FIO_HAVE_CLOCK_MONOTONIC
131 #define FIO_TIMER_CLOCK CLOCK_MONOTONIC
133 #define FIO_TIMER_CLOCK CLOCK_REALTIME
136 #ifndef FIO_HAVE_RAWBIND
137 #define fio_lookup_raw(dev, majdev, mindev) 1
140 #ifndef FIO_PREFERRED_ENGINE
141 #define FIO_PREFERRED_ENGINE "sync"
144 #ifndef FIO_OS_PATH_SEPARATOR
145 #define FIO_OS_PATH_SEPARATOR "/"
148 #ifndef FIO_PREFERRED_CLOCK_SOURCE
149 #define FIO_PREFERRED_CLOCK_SOURCE CS_CGETTIME
153 #define FIO_MAX_JOBS 2048
156 #ifndef FIO_OS_HAVE_SOCKLEN_T
157 typedef socklen_t fio_socklen_t;
160 #ifndef FIO_OS_HAS_CTIME_R
161 #define os_ctime_r(x, y, z) ctime_r((x), (y))
164 #ifdef FIO_USE_GENERIC_SWAP
165 static inline uint16_t fio_swap16(uint16_t val)
167 return (val << 8) | (val >> 8);
170 static inline uint32_t fio_swap32(uint32_t val)
172 val = ((val & 0xff00ff00UL) >> 8) | ((val & 0x00ff00ffUL) << 8);
174 return (val >> 16) | (val << 16);
177 static inline uint64_t fio_swap64(uint64_t val)
179 val = ((val & 0xff00ff00ff00ff00ULL) >> 8) |
180 ((val & 0x00ff00ff00ff00ffULL) << 8);
181 val = ((val & 0xffff0000ffff0000ULL) >> 16) |
182 ((val & 0x0000ffff0000ffffULL) << 16);
184 return (val >> 32) | (val << 32);
188 #ifndef FIO_HAVE_BYTEORDER_FUNCS
189 #ifdef FIO_LITTLE_ENDIAN
190 #define __le16_to_cpu(x) (x)
191 #define __le32_to_cpu(x) (x)
192 #define __le64_to_cpu(x) (x)
193 #define __cpu_to_le16(x) (x)
194 #define __cpu_to_le32(x) (x)
195 #define __cpu_to_le64(x) (x)
197 #define __le16_to_cpu(x) fio_swap16(x)
198 #define __le32_to_cpu(x) fio_swap32(x)
199 #define __le64_to_cpu(x) fio_swap64(x)
200 #define __cpu_to_le16(x) fio_swap16(x)
201 #define __cpu_to_le32(x) fio_swap32(x)
202 #define __cpu_to_le64(x) fio_swap64(x)
204 #endif /* FIO_HAVE_BYTEORDER_FUNCS */
206 #define le16_to_cpu(val) ({ \
207 uint16_t *__val = &(val); \
208 __le16_to_cpu(*__val); \
210 #define le32_to_cpu(val) ({ \
211 uint32_t *__val = &(val); \
212 __le32_to_cpu(*__val); \
214 #define le64_to_cpu(val) ({ \
215 uint64_t *__val = &(val); \
216 __le64_to_cpu(*__val); \
218 #define cpu_to_le16(val) ({ \
219 uint16_t *__val = &(val); \
220 __cpu_to_le16(*__val); \
222 #define cpu_to_le32(val) ({ \
223 uint32_t *__val = &(val); \
224 __cpu_to_le32(*__val); \
226 #define cpu_to_le64(val) ({ \
227 uint64_t *__val = &(val); \
228 __cpu_to_le64(*__val); \
231 #ifndef FIO_HAVE_BLKTRACE
232 static inline int is_blktrace(const char *fname)
237 static inline int load_blktrace(struct thread_data *td, const char *fname)
243 #define FIO_DEF_CL_SIZE 128
245 static inline int os_cache_line_size(void)
247 #ifdef FIO_HAVE_CL_SIZE
248 int ret = arch_cache_line_size();
251 return FIO_DEF_CL_SIZE;
255 return FIO_DEF_CL_SIZE;
259 #ifdef FIO_USE_GENERIC_BDEV_SIZE
260 static inline int blockdev_size(struct fio_file *f, unsigned long long *bytes)
266 end = lseek(f->fd, 0, SEEK_END);
275 #ifdef FIO_USE_GENERIC_RAND
276 typedef unsigned int os_random_state_t;
278 static inline void os_random_seed(unsigned long seed, os_random_state_t *rs)
283 static inline long os_random_long(os_random_state_t *rs)
292 #ifdef FIO_USE_GENERIC_INIT_RANDOM_STATE
293 extern void td_fill_rand_seeds(struct thread_data *td);
295 * Initialize the various random states we need (random io, block size ranges,
296 * read/write mix, etc).
298 static inline int init_random_state(struct thread_data *td, unsigned long *rand_seeds, int size)
302 fd = open("/dev/urandom", O_RDONLY);
307 if (read(fd, rand_seeds, size) < size) {
313 td_fill_rand_seeds(td);
318 #ifndef FIO_HAVE_FS_STAT
319 static inline unsigned long long get_fs_size(const char *path)
325 #ifndef FIO_HAVE_CPU_ONLINE_SYSCONF
326 static inline unsigned int cpus_online(void)
328 return sysconf(_SC_NPROCESSORS_ONLN);
332 #ifndef FIO_HAVE_GETTID
333 static inline int gettid(void)