5 #include <sys/socket.h>
11 #include "../arch/arch.h"
29 #if defined(__ANDROID__)
30 #include "os-android.h"
31 #elif defined(__linux__)
33 #elif defined(__FreeBSD__)
34 #include "os-freebsd.h"
35 #elif defined(__OpenBSD__)
36 #include "os-openbsd.h"
37 #elif defined(__NetBSD__)
38 #include "os-netbsd.h"
39 #elif defined(__sun__)
40 #include "os-solaris.h"
41 #elif defined(__APPLE__)
48 #include "os-windows.h"
49 #elif defined (__DragonFly__)
50 #include "os-dragonfly.h"
52 #error "unsupported os"
55 #ifdef CONFIG_POSIXAIO
57 #ifndef FIO_OS_HAVE_AIOCB_TYPEDEF
58 typedef struct aiocb os_aiocb_t;
68 #include "../lib/strsep.h"
71 #ifndef CONFIG_STRLCAT
72 #include "../lib/strlcat.h"
76 #define OS_MSG_DONTWAIT MSG_DONTWAIT
79 #ifndef POSIX_FADV_DONTNEED
80 #define POSIX_FADV_DONTNEED (0)
81 #define POSIX_FADV_SEQUENTIAL (0)
82 #define POSIX_FADV_RANDOM (0)
85 #ifndef FIO_HAVE_CPU_AFFINITY
86 #define fio_getaffinity(pid, mask) do { } while (0)
87 #define fio_cpu_clear(mask, cpu) do { } while (0)
88 typedef unsigned long os_cpu_mask_t;
90 static inline int fio_setaffinity(int pid, os_cpu_mask_t cpumask)
95 static inline int fio_cpuset_exit(os_cpu_mask_t *mask)
100 static inline int fio_cpus_split(os_cpu_mask_t *mask, unsigned int cpu_index)
105 extern int fio_cpus_split(os_cpu_mask_t *mask, unsigned int cpu);
108 #ifndef FIO_HAVE_IOPRIO
109 #define ioprio_set(which, who, prioclass, prio) (0)
112 #ifndef FIO_HAVE_ODIRECT
113 #define OS_O_DIRECT 0
115 #define OS_O_DIRECT O_DIRECT
119 #define FIO_O_ATOMIC OS_O_ATOMIC
121 #define FIO_O_ATOMIC 0
124 #ifndef FIO_HAVE_HUGETLB
125 #define SHM_HUGETLB 0
126 #define MAP_HUGETLB 0
127 #ifndef FIO_HUGE_PAGE
128 #define FIO_HUGE_PAGE 0
131 #ifndef FIO_HUGE_PAGE
132 #define FIO_HUGE_PAGE 4194304
136 #ifndef FIO_HAVE_MMAP_HUGE
137 #define MAP_HUGETLB 0
140 #ifndef FIO_O_NOATIME
141 #define FIO_O_NOATIME 0
145 #define OS_RAND_MAX RAND_MAX
148 #ifndef FIO_HAVE_RAWBIND
149 #define fio_lookup_raw(dev, majdev, mindev) 1
152 #ifndef FIO_PREFERRED_ENGINE
153 #define FIO_PREFERRED_ENGINE "sync"
156 #ifndef FIO_OS_PATH_SEPARATOR
157 #define FIO_OS_PATH_SEPARATOR "/"
160 #ifndef FIO_PREFERRED_CLOCK_SOURCE
161 #ifdef CONFIG_CLOCK_GETTIME
162 #define FIO_PREFERRED_CLOCK_SOURCE CS_CGETTIME
164 #define FIO_PREFERRED_CLOCK_SOURCE CS_GTOD
169 #define FIO_MAX_JOBS 2048
172 #ifndef CONFIG_SOCKLEN_T
173 typedef unsigned int socklen_t;
176 #ifndef FIO_OS_HAS_CTIME_R
177 #define os_ctime_r(x, y, z) (void) ctime_r((x), (y))
180 #ifdef FIO_USE_GENERIC_SWAP
181 static inline uint16_t fio_swap16(uint16_t val)
183 return (val << 8) | (val >> 8);
186 static inline uint32_t fio_swap32(uint32_t val)
188 val = ((val & 0xff00ff00UL) >> 8) | ((val & 0x00ff00ffUL) << 8);
190 return (val >> 16) | (val << 16);
193 static inline uint64_t fio_swap64(uint64_t val)
195 val = ((val & 0xff00ff00ff00ff00ULL) >> 8) |
196 ((val & 0x00ff00ff00ff00ffULL) << 8);
197 val = ((val & 0xffff0000ffff0000ULL) >> 16) |
198 ((val & 0x0000ffff0000ffffULL) << 16);
200 return (val >> 32) | (val << 32);
204 #ifndef FIO_HAVE_BYTEORDER_FUNCS
205 #ifdef CONFIG_LITTLE_ENDIAN
206 #define __le16_to_cpu(x) (x)
207 #define __le32_to_cpu(x) (x)
208 #define __le64_to_cpu(x) (x)
209 #define __cpu_to_le16(x) (x)
210 #define __cpu_to_le32(x) (x)
211 #define __cpu_to_le64(x) (x)
213 #define __le16_to_cpu(x) fio_swap16(x)
214 #define __le32_to_cpu(x) fio_swap32(x)
215 #define __le64_to_cpu(x) fio_swap64(x)
216 #define __cpu_to_le16(x) fio_swap16(x)
217 #define __cpu_to_le32(x) fio_swap32(x)
218 #define __cpu_to_le64(x) fio_swap64(x)
220 #endif /* FIO_HAVE_BYTEORDER_FUNCS */
223 #define le16_to_cpu(val) ({ \
224 typecheck(uint16_t, val); \
225 __le16_to_cpu(val); \
227 #define le32_to_cpu(val) ({ \
228 typecheck(uint32_t, val); \
229 __le32_to_cpu(val); \
231 #define le64_to_cpu(val) ({ \
232 typecheck(uint64_t, val); \
233 __le64_to_cpu(val); \
237 #define cpu_to_le16(val) ({ \
238 typecheck(uint16_t, val); \
239 __cpu_to_le16(val); \
241 #define cpu_to_le32(val) ({ \
242 typecheck(uint32_t, val); \
243 __cpu_to_le32(val); \
245 #define cpu_to_le64(val) ({ \
246 typecheck(uint64_t, val); \
247 __cpu_to_le64(val); \
250 #ifndef FIO_HAVE_BLKTRACE
251 static inline int is_blktrace(const char *fname, int *need_swap)
256 static inline int load_blktrace(struct thread_data *td, const char *fname,
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 extern void td_fill_rand_seeds(struct thread_data *td);
315 * Initialize the various random states we need (random io, block size ranges,
316 * read/write mix, etc).
318 static inline int init_random_state(struct thread_data *td, unsigned long *rand_seeds, int size)
322 fd = open("/dev/urandom", O_RDONLY);
327 if (read(fd, rand_seeds, size) < size) {
333 td_fill_rand_seeds(td);
338 #ifndef FIO_HAVE_FS_STAT
339 static inline unsigned long long get_fs_free_size(const char *path)
345 #ifndef FIO_HAVE_CPU_ONLINE_SYSCONF
346 static inline unsigned int cpus_online(void)
348 return sysconf(_SC_NPROCESSORS_ONLN);
353 #ifdef FIO_HAVE_CPU_AFFINITY
354 static inline int CPU_COUNT(os_cpu_mask_t *mask)
356 int max_cpus = cpus_online();
359 for (i = 0, nr_cpus = 0; i < max_cpus; i++)
360 if (fio_cpu_isset(mask, i))
368 #ifndef FIO_HAVE_GETTID
369 static inline int gettid(void)