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 POSIX_FADV_DONTNEED
72 #define POSIX_FADV_DONTNEED (0)
73 #define POSIX_FADV_SEQUENTIAL (0)
74 #define POSIX_FADV_RANDOM (0)
77 #ifndef FIO_HAVE_CPU_AFFINITY
78 #define fio_setaffinity(pid, mask) (0)
79 #define fio_getaffinity(pid, mask) do { } while (0)
80 #define fio_cpu_clear(mask, cpu) do { } while (0)
81 #define fio_cpuset_exit(mask) (-1)
82 typedef unsigned long os_cpu_mask_t;
85 #ifndef FIO_HAVE_IOPRIO
86 #define ioprio_set(which, who, prio) (0)
89 #ifndef FIO_HAVE_ODIRECT
92 #define OS_O_DIRECT O_DIRECT
95 #ifndef FIO_HAVE_HUGETLB
99 #define FIO_HUGE_PAGE 0
102 #ifndef FIO_HUGE_PAGE
103 #define FIO_HUGE_PAGE 4194304
107 #ifndef FIO_HAVE_MMAP_HUGE
108 #define MAP_HUGETLB 0
111 #ifndef FIO_O_NOATIME
112 #define FIO_O_NOATIME 0
116 #define OS_RAND_MAX RAND_MAX
119 #ifdef FIO_HAVE_CLOCK_MONOTONIC
120 #define FIO_TIMER_CLOCK CLOCK_MONOTONIC
122 #define FIO_TIMER_CLOCK CLOCK_REALTIME
125 #ifndef FIO_HAVE_RAWBIND
126 #define fio_lookup_raw(dev, majdev, mindev) 1
129 #ifndef FIO_PREFERRED_ENGINE
130 #define FIO_PREFERRED_ENGINE "sync"
133 #ifndef FIO_OS_PATH_SEPARATOR
134 #define FIO_OS_PATH_SEPARATOR "/"
137 #ifndef FIO_PREFERRED_CLOCK_SOURCE
138 #define FIO_PREFERRED_CLOCK_SOURCE CS_CGETTIME
142 #define FIO_MAX_JOBS 2048
145 #ifndef FIO_OS_HAVE_SOCKLEN_T
146 typedef socklen_t fio_socklen_t;
149 #ifndef FIO_OS_HAS_CTIME_R
150 #define os_ctime_r(x, y, z) ctime_r((x), (y))
153 #ifdef FIO_USE_GENERIC_SWAP
154 static inline uint16_t fio_swap16(uint16_t val)
156 return (val << 8) | (val >> 8);
159 static inline uint32_t fio_swap32(uint32_t val)
161 val = ((val & 0xff00ff00UL) >> 8) | ((val & 0x00ff00ffUL) << 8);
163 return (val >> 16) | (val << 16);
166 static inline uint64_t fio_swap64(uint64_t val)
168 val = ((val & 0xff00ff00ff00ff00ULL) >> 8) |
169 ((val & 0x00ff00ff00ff00ffULL) << 8);
170 val = ((val & 0xffff0000ffff0000ULL) >> 16) |
171 ((val & 0x0000ffff0000ffffULL) << 16);
173 return (val >> 32) | (val << 32);
177 #ifndef FIO_HAVE_BYTEORDER_FUNCS
178 #ifdef FIO_LITTLE_ENDIAN
179 #define __le16_to_cpu(x) (x)
180 #define __le32_to_cpu(x) (x)
181 #define __le64_to_cpu(x) (x)
182 #define __cpu_to_le16(x) (x)
183 #define __cpu_to_le32(x) (x)
184 #define __cpu_to_le64(x) (x)
186 #define __le16_to_cpu(x) fio_swap16(x)
187 #define __le32_to_cpu(x) fio_swap32(x)
188 #define __le64_to_cpu(x) fio_swap64(x)
189 #define __cpu_to_le16(x) fio_swap16(x)
190 #define __cpu_to_le32(x) fio_swap32(x)
191 #define __cpu_to_le64(x) fio_swap64(x)
193 #endif /* FIO_HAVE_BYTEORDER_FUNCS */
195 #define le16_to_cpu(val) ({ \
196 uint16_t *__val = &(val); \
197 __le16_to_cpu(*__val); \
199 #define le32_to_cpu(val) ({ \
200 uint32_t *__val = &(val); \
201 __le32_to_cpu(*__val); \
203 #define le64_to_cpu(val) ({ \
204 uint64_t *__val = &(val); \
205 __le64_to_cpu(*__val); \
207 #define cpu_to_le16(val) ({ \
208 uint16_t *__val = &(val); \
209 __cpu_to_le16(*__val); \
211 #define cpu_to_le32(val) ({ \
212 uint32_t *__val = &(val); \
213 __cpu_to_le32(*__val); \
215 #define cpu_to_le64(val) ({ \
216 uint64_t *__val = &(val); \
217 __cpu_to_le64(*__val); \
220 #ifndef FIO_HAVE_BLKTRACE
221 static inline int is_blktrace(const char *fname)
226 static inline int load_blktrace(struct thread_data *td, const char *fname)
232 #define FIO_DEF_CL_SIZE 128
234 static inline int os_cache_line_size(void)
236 #ifdef FIO_HAVE_CL_SIZE
237 int ret = arch_cache_line_size();
240 return FIO_DEF_CL_SIZE;
244 return FIO_DEF_CL_SIZE;
248 #ifdef FIO_USE_GENERIC_BDEV_SIZE
249 static inline int blockdev_size(struct fio_file *f, unsigned long long *bytes)
255 end = lseek(f->fd, 0, SEEK_END);
264 #ifdef FIO_USE_GENERIC_RAND
265 typedef unsigned int os_random_state_t;
267 static inline void os_random_seed(unsigned long seed, os_random_state_t *rs)
272 static inline long os_random_long(os_random_state_t *rs)
281 #ifdef FIO_USE_GENERIC_INIT_RANDOM_STATE
282 extern void td_fill_rand_seeds(struct thread_data *td);
284 * Initialize the various random states we need (random io, block size ranges,
285 * read/write mix, etc).
287 static inline int init_random_state(struct thread_data *td, unsigned long *rand_seeds, int size)
291 fd = open("/dev/urandom", O_RDONLY);
296 if (read(fd, rand_seeds, size) < size) {
302 td_fill_rand_seeds(td);
307 #ifndef FIO_HAVE_FS_STAT
308 static inline unsigned long long get_fs_size(const char *path)
314 #ifndef FIO_HAVE_CPU_ONLINE_SYSCONF
315 static inline unsigned int cpus_online(void)
317 return sysconf(_SC_NPROCESSORS_ONLN);
321 #ifndef FIO_HAVE_GETTID
322 static inline int gettid(void)