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
99 #define FIO_HUGE_PAGE 0
102 #ifndef FIO_HUGE_PAGE
103 #define FIO_HUGE_PAGE 4194304
107 #ifndef FIO_O_NOATIME
108 #define FIO_O_NOATIME 0
112 #define OS_RAND_MAX RAND_MAX
115 #ifdef FIO_HAVE_CLOCK_MONOTONIC
116 #define FIO_TIMER_CLOCK CLOCK_MONOTONIC
118 #define FIO_TIMER_CLOCK CLOCK_REALTIME
121 #ifndef FIO_HAVE_RAWBIND
122 #define fio_lookup_raw(dev, majdev, mindev) 1
125 #ifndef FIO_PREFERRED_ENGINE
126 #define FIO_PREFERRED_ENGINE "sync"
129 #ifndef FIO_OS_PATH_SEPARATOR
130 #define FIO_OS_PATH_SEPARATOR "/"
133 #ifndef FIO_PREFERRED_CLOCK_SOURCE
134 #define FIO_PREFERRED_CLOCK_SOURCE CS_CGETTIME
138 #define FIO_MAX_JOBS 2048
141 #ifndef FIO_OS_HAVE_SOCKLEN_T
142 typedef socklen_t fio_socklen_t;
145 #ifdef FIO_USE_GENERIC_SWAP
146 static inline uint16_t fio_swap16(uint16_t val)
148 return (val << 8) | (val >> 8);
151 static inline uint32_t fio_swap32(uint32_t val)
153 val = ((val & 0xff00ff00UL) >> 8) | ((val & 0x00ff00ffUL) << 8);
155 return (val >> 16) | (val << 16);
158 static inline uint64_t fio_swap64(uint64_t val)
160 val = ((val & 0xff00ff00ff00ff00ULL) >> 8) |
161 ((val & 0x00ff00ff00ff00ffULL) << 8);
162 val = ((val & 0xffff0000ffff0000ULL) >> 16) |
163 ((val & 0x0000ffff0000ffffULL) << 16);
165 return (val >> 32) | (val << 32);
169 #ifdef FIO_LITTLE_ENDIAN
170 #define __le16_to_cpu(x) (x)
171 #define __le32_to_cpu(x) (x)
172 #define __le64_to_cpu(x) (x)
173 #define __cpu_to_le16(x) (x)
174 #define __cpu_to_le32(x) (x)
175 #define __cpu_to_le64(x) (x)
177 #define __le16_to_cpu(x) fio_swap16(x)
178 #define __le32_to_cpu(x) fio_swap32(x)
179 #define __le64_to_cpu(x) fio_swap64(x)
180 #define __cpu_to_le16(x) fio_swap16(x)
181 #define __cpu_to_le32(x) fio_swap32(x)
182 #define __cpu_to_le64(x) fio_swap64(x)
185 #define le16_to_cpu(val) ({ \
186 uint16_t *__val = &(val); \
187 __le16_to_cpu(*__val); \
189 #define le32_to_cpu(val) ({ \
190 uint32_t *__val = &(val); \
191 __le32_to_cpu(*__val); \
193 #define le64_to_cpu(val) ({ \
194 uint64_t *__val = &(val); \
195 __le64_to_cpu(*__val); \
197 #define cpu_to_le16(val) ({ \
198 uint16_t *__val = &(val); \
199 __cpu_to_le16(*__val); \
201 #define cpu_to_le32(val) ({ \
202 uint32_t *__val = &(val); \
203 __cpu_to_le32(*__val); \
205 #define cpu_to_le64(val) ({ \
206 uint64_t *__val = &(val); \
207 __cpu_to_le64(*__val); \
210 #ifndef FIO_HAVE_BLKTRACE
211 static inline int is_blktrace(const char *fname)
216 static inline int load_blktrace(struct thread_data *td, const char *fname)
222 #define FIO_DEF_CL_SIZE 128
224 static inline int os_cache_line_size(void)
226 #ifdef FIO_HAVE_CL_SIZE
227 int ret = arch_cache_line_size();
230 return FIO_DEF_CL_SIZE;
234 return FIO_DEF_CL_SIZE;
238 #ifdef FIO_USE_GENERIC_BDEV_SIZE
239 static inline int blockdev_size(struct fio_file *f, unsigned long long *bytes)
245 end = lseek(f->fd, 0, SEEK_END);
254 #ifdef FIO_USE_GENERIC_RAND
255 typedef unsigned int os_random_state_t;
257 static inline void os_random_seed(unsigned long seed, os_random_state_t *rs)
262 static inline long os_random_long(os_random_state_t *rs)
271 #ifdef FIO_USE_GENERIC_INIT_RANDOM_STATE
272 extern void td_fill_rand_seeds(struct thread_data *td);
274 * Initialize the various random states we need (random io, block size ranges,
275 * read/write mix, etc).
277 static inline int init_random_state(struct thread_data *td, unsigned long *rand_seeds, int size)
281 fd = open("/dev/urandom", O_RDONLY);
286 if (read(fd, rand_seeds, size) < size) {
292 td_fill_rand_seeds(td);
297 #ifndef FIO_HAVE_FS_STAT
298 static inline unsigned long long get_fs_size(const char *path)
304 #ifndef FIO_HAVE_CPU_ONLINE_SYSCONF
305 static inline unsigned int cpus_online(void)
307 return sysconf(_SC_NPROCESSORS_ONLN);
311 #ifndef FIO_HAVE_GETTID
312 static inline int gettid(void)