5 #include <sys/socket.h>
24 #if defined(__linux__)
26 #elif defined(__FreeBSD__)
27 #include "os-freebsd.h"
28 #elif defined(__NetBSD__)
29 #include "os-netbsd.h"
30 #elif defined(__sun__)
31 #include "os-solaris.h"
32 #elif defined(__APPLE__)
39 #include "os-windows.h"
41 #error "unsupported os"
44 #ifdef FIO_HAVE_LIBAIO
48 #ifdef FIO_HAVE_POSIXAIO
50 #ifndef FIO_OS_HAVE_AIOCB_TYPEDEF
51 typedef struct aiocb os_aiocb_t;
60 #ifndef FIO_HAVE_STRSEP
61 #include "../lib/strsep.h"
65 #define OS_MSG_DONTWAIT MSG_DONTWAIT
68 #ifndef FIO_HAVE_FADVISE
69 #define posix_fadvise(fd, off, len, advice) (0)
71 #ifndef POSIX_FADV_DONTNEED
72 #define POSIX_FADV_DONTNEED (0)
73 #define POSIX_FADV_SEQUENTIAL (0)
74 #define POSIX_FADV_RANDOM (0)
76 #endif /* FIO_HAVE_FADVISE */
78 #ifndef FIO_HAVE_CPU_AFFINITY
79 #define fio_setaffinity(pid, mask) (0)
80 #define fio_getaffinity(pid, mask) do { } while (0)
81 #define fio_cpu_clear(mask, cpu) do { } while (0)
82 #define fio_cpuset_exit(mask) (-1)
83 typedef unsigned long os_cpu_mask_t;
86 #ifndef FIO_HAVE_IOPRIO
87 #define ioprio_set(which, who, prio) (0)
90 #ifndef FIO_HAVE_ODIRECT
93 #define OS_O_DIRECT O_DIRECT
96 #ifndef FIO_HAVE_HUGETLB
100 #define FIO_HUGE_PAGE 0
103 #ifndef FIO_HUGE_PAGE
104 #define FIO_HUGE_PAGE 4194304
108 #ifndef FIO_O_NOATIME
109 #define FIO_O_NOATIME 0
113 #define OS_RAND_MAX RAND_MAX
116 #ifdef FIO_HAVE_CLOCK_MONOTONIC
117 #define FIO_TIMER_CLOCK CLOCK_MONOTONIC
119 #define FIO_TIMER_CLOCK CLOCK_REALTIME
122 #ifndef FIO_HAVE_RAWBIND
123 #define fio_lookup_raw(dev, majdev, mindev) 1
126 #ifndef FIO_PREFERRED_ENGINE
127 #define FIO_PREFERRED_ENGINE "sync"
130 #ifndef FIO_OS_PATH_SEPARATOR
131 #define FIO_OS_PATH_SEPARATOR "/"
134 #ifndef FIO_PREFERRED_CLOCK_SOURCE
135 #define FIO_PREFERRED_CLOCK_SOURCE CS_CGETTIME
139 #define FIO_MAX_JOBS 2048
142 #ifndef FIO_OS_HAVE_SOCKLEN_T
143 typedef socklen_t fio_socklen_t;
146 #ifndef FIO_OS_HAS_CTIME_R
147 #define os_ctime_r(x, y, z) ctime_r((x), (y))
150 #ifdef FIO_USE_GENERIC_SWAP
151 static inline uint16_t fio_swap16(uint16_t val)
153 return (val << 8) | (val >> 8);
156 static inline uint32_t fio_swap32(uint32_t val)
158 val = ((val & 0xff00ff00UL) >> 8) | ((val & 0x00ff00ffUL) << 8);
160 return (val >> 16) | (val << 16);
163 static inline uint64_t fio_swap64(uint64_t val)
165 val = ((val & 0xff00ff00ff00ff00ULL) >> 8) |
166 ((val & 0x00ff00ff00ff00ffULL) << 8);
167 val = ((val & 0xffff0000ffff0000ULL) >> 16) |
168 ((val & 0x0000ffff0000ffffULL) << 16);
170 return (val >> 32) | (val << 32);
174 #ifdef FIO_LITTLE_ENDIAN
175 #define __le16_to_cpu(x) (x)
176 #define __le32_to_cpu(x) (x)
177 #define __le64_to_cpu(x) (x)
178 #define __cpu_to_le16(x) (x)
179 #define __cpu_to_le32(x) (x)
180 #define __cpu_to_le64(x) (x)
182 #define __le16_to_cpu(x) fio_swap16(x)
183 #define __le32_to_cpu(x) fio_swap32(x)
184 #define __le64_to_cpu(x) fio_swap64(x)
185 #define __cpu_to_le16(x) fio_swap16(x)
186 #define __cpu_to_le32(x) fio_swap32(x)
187 #define __cpu_to_le64(x) fio_swap64(x)
190 #define le16_to_cpu(val) ({ \
191 uint16_t *__val = &(val); \
192 __le16_to_cpu(*__val); \
194 #define le32_to_cpu(val) ({ \
195 uint32_t *__val = &(val); \
196 __le32_to_cpu(*__val); \
198 #define le64_to_cpu(val) ({ \
199 uint64_t *__val = &(val); \
200 __le64_to_cpu(*__val); \
202 #define cpu_to_le16(val) ({ \
203 uint16_t *__val = &(val); \
204 __cpu_to_le16(*__val); \
206 #define cpu_to_le32(val) ({ \
207 uint32_t *__val = &(val); \
208 __cpu_to_le32(*__val); \
210 #define cpu_to_le64(val) ({ \
211 uint64_t *__val = &(val); \
212 __cpu_to_le64(*__val); \
215 #ifndef FIO_HAVE_BLKTRACE
216 static inline int is_blktrace(const char *fname)
221 static inline int load_blktrace(struct thread_data *td, const char *fname)
227 #define FIO_DEF_CL_SIZE 128
229 static inline int os_cache_line_size(void)
231 #ifdef FIO_HAVE_CL_SIZE
232 int ret = arch_cache_line_size();
235 return FIO_DEF_CL_SIZE;
239 return FIO_DEF_CL_SIZE;
243 #ifdef FIO_USE_GENERIC_BDEV_SIZE
244 static inline int blockdev_size(struct fio_file *f, unsigned long long *bytes)
250 end = lseek(f->fd, 0, SEEK_END);
259 #ifdef FIO_USE_GENERIC_RAND
260 typedef unsigned int os_random_state_t;
262 static inline void os_random_seed(unsigned long seed, os_random_state_t *rs)
267 static inline long os_random_long(os_random_state_t *rs)
276 #ifdef FIO_USE_GENERIC_INIT_RANDOM_STATE
277 extern void td_fill_rand_seeds(struct thread_data *td);
279 * Initialize the various random states we need (random io, block size ranges,
280 * read/write mix, etc).
282 static inline int init_random_state(struct thread_data *td, unsigned long *rand_seeds, int size)
286 fd = open("/dev/urandom", O_RDONLY);
291 if (read(fd, rand_seeds, size) < size) {
297 td_fill_rand_seeds(td);
302 #ifndef FIO_HAVE_FS_STAT
303 static inline unsigned long long get_fs_size(const char *path)
309 #ifndef FIO_HAVE_CPU_ONLINE_SYSCONF
310 static inline unsigned int cpus_online(void)
312 return sysconf(_SC_NPROCESSORS_ONLN);
316 #ifndef FIO_HAVE_GETTID
317 static inline int gettid(void)