5 #include <sys/socket.h>
11 #include "../arch/arch.h"
12 #include "../lib/types.h"
30 #if defined(__ANDROID__)
31 #include "os-android.h"
32 #elif defined(__linux__)
34 #elif defined(__FreeBSD__)
35 #include "os-freebsd.h"
36 #elif defined(__OpenBSD__)
37 #include "os-openbsd.h"
38 #elif defined(__NetBSD__)
39 #include "os-netbsd.h"
40 #elif defined(__sun__)
41 #include "os-solaris.h"
42 #elif defined(__APPLE__)
49 #include "os-windows.h"
50 #elif defined (__DragonFly__)
51 #include "os-dragonfly.h"
53 #error "unsupported os"
56 #ifdef CONFIG_POSIXAIO
58 #ifndef FIO_OS_HAVE_AIOCB_TYPEDEF
59 typedef struct aiocb os_aiocb_t;
69 #include "../oslib/strsep.h"
72 #ifndef CONFIG_STRLCAT
73 #include "../oslib/strlcat.h"
77 #define OS_MSG_DONTWAIT MSG_DONTWAIT
80 #ifndef POSIX_FADV_DONTNEED
81 #define POSIX_FADV_DONTNEED (0)
82 #define POSIX_FADV_SEQUENTIAL (0)
83 #define POSIX_FADV_RANDOM (0)
86 #ifndef FIO_HAVE_CPU_AFFINITY
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_getaffinity(int pid, os_cpu_mask_t *cpumask)
100 static inline int fio_cpuset_exit(os_cpu_mask_t *mask)
105 static inline int fio_cpus_split(os_cpu_mask_t *mask, unsigned int cpu_index)
110 extern int fio_cpus_split(os_cpu_mask_t *mask, unsigned int cpu);
113 #ifndef FIO_HAVE_IOPRIO
114 #define ioprio_set(which, who, prioclass, prio) (0)
117 #ifndef FIO_HAVE_ODIRECT
118 #define OS_O_DIRECT 0
120 #define OS_O_DIRECT O_DIRECT
124 #define FIO_O_ATOMIC OS_O_ATOMIC
126 #define FIO_O_ATOMIC 0
129 #ifndef FIO_HAVE_HUGETLB
130 #define SHM_HUGETLB 0
131 #define MAP_HUGETLB 0
132 #ifndef FIO_HUGE_PAGE
133 #define FIO_HUGE_PAGE 0
136 #ifndef FIO_HUGE_PAGE
137 #define FIO_HUGE_PAGE 4194304
141 #ifndef FIO_HAVE_MMAP_HUGE
142 #define MAP_HUGETLB 0
145 #ifndef FIO_O_NOATIME
146 #define FIO_O_NOATIME 0
150 #define OS_RAND_MAX RAND_MAX
153 #ifndef FIO_HAVE_RAWBIND
154 #define fio_lookup_raw(dev, majdev, mindev) 1
157 #ifndef FIO_PREFERRED_ENGINE
158 #define FIO_PREFERRED_ENGINE "psync"
161 #ifndef FIO_OS_PATH_SEPARATOR
162 #define FIO_OS_PATH_SEPARATOR "/"
165 #ifndef FIO_PREFERRED_CLOCK_SOURCE
166 #ifdef CONFIG_CLOCK_GETTIME
167 #define FIO_PREFERRED_CLOCK_SOURCE CS_CGETTIME
169 #define FIO_PREFERRED_CLOCK_SOURCE CS_GTOD
174 #define FIO_MAX_JOBS 2048
177 #ifndef CONFIG_SOCKLEN_T
178 typedef unsigned int socklen_t;
181 #ifndef FIO_OS_HAS_CTIME_R
182 #define os_ctime_r(x, y, z) (void) ctime_r((x), (y))
185 #ifdef FIO_USE_GENERIC_SWAP
186 static inline uint16_t fio_swap16(uint16_t val)
188 return (val << 8) | (val >> 8);
191 static inline uint32_t fio_swap32(uint32_t val)
193 val = ((val & 0xff00ff00UL) >> 8) | ((val & 0x00ff00ffUL) << 8);
195 return (val >> 16) | (val << 16);
198 static inline uint64_t fio_swap64(uint64_t val)
200 val = ((val & 0xff00ff00ff00ff00ULL) >> 8) |
201 ((val & 0x00ff00ff00ff00ffULL) << 8);
202 val = ((val & 0xffff0000ffff0000ULL) >> 16) |
203 ((val & 0x0000ffff0000ffffULL) << 16);
205 return (val >> 32) | (val << 32);
209 #ifndef FIO_HAVE_BYTEORDER_FUNCS
210 #ifdef CONFIG_LITTLE_ENDIAN
211 #define __le16_to_cpu(x) (x)
212 #define __le32_to_cpu(x) (x)
213 #define __le64_to_cpu(x) (x)
214 #define __cpu_to_le16(x) (x)
215 #define __cpu_to_le32(x) (x)
216 #define __cpu_to_le64(x) (x)
218 #define __le16_to_cpu(x) fio_swap16(x)
219 #define __le32_to_cpu(x) fio_swap32(x)
220 #define __le64_to_cpu(x) fio_swap64(x)
221 #define __cpu_to_le16(x) fio_swap16(x)
222 #define __cpu_to_le32(x) fio_swap32(x)
223 #define __cpu_to_le64(x) fio_swap64(x)
225 #endif /* FIO_HAVE_BYTEORDER_FUNCS */
228 #define le16_to_cpu(val) ({ \
229 typecheck(uint16_t, val); \
230 __le16_to_cpu(val); \
232 #define le32_to_cpu(val) ({ \
233 typecheck(uint32_t, val); \
234 __le32_to_cpu(val); \
236 #define le64_to_cpu(val) ({ \
237 typecheck(uint64_t, val); \
238 __le64_to_cpu(val); \
242 #define cpu_to_le16(val) ({ \
243 typecheck(uint16_t, val); \
244 __cpu_to_le16(val); \
246 #define cpu_to_le32(val) ({ \
247 typecheck(uint32_t, val); \
248 __cpu_to_le32(val); \
250 #define cpu_to_le64(val) ({ \
251 typecheck(uint64_t, val); \
252 __cpu_to_le64(val); \
255 #ifndef FIO_HAVE_BLKTRACE
256 static inline int is_blktrace(const char *fname, int *need_swap)
261 static inline int load_blktrace(struct thread_data *td, const char *fname,
268 #define FIO_DEF_CL_SIZE 128
270 static inline int os_cache_line_size(void)
272 #ifdef FIO_HAVE_CL_SIZE
273 int ret = arch_cache_line_size();
276 return FIO_DEF_CL_SIZE;
280 return FIO_DEF_CL_SIZE;
284 #ifdef FIO_USE_GENERIC_BDEV_SIZE
285 static inline int blockdev_size(struct fio_file *f, unsigned long long *bytes)
291 end = lseek(f->fd, 0, SEEK_END);
300 #ifdef FIO_USE_GENERIC_RAND
301 typedef unsigned int os_random_state_t;
303 static inline void os_random_seed(unsigned long seed, os_random_state_t *rs)
308 static inline long os_random_long(os_random_state_t *rs)
317 #ifdef FIO_USE_GENERIC_INIT_RANDOM_STATE
318 extern void td_fill_rand_seeds(struct thread_data *td);
320 * Initialize the various random states we need (random io, block size ranges,
321 * read/write mix, etc).
323 static inline int init_random_state(struct thread_data *td, unsigned long *rand_seeds, int size)
327 fd = open("/dev/urandom", O_RDONLY);
332 if (read(fd, rand_seeds, size) < size) {
338 td_fill_rand_seeds(td);
343 #ifndef FIO_HAVE_FS_STAT
344 static inline unsigned long long get_fs_free_size(const char *path)
351 #define FIO_HAVE_CPU_ONLINE_SYSCONF
352 static inline unsigned int cpus_online(void)
354 return sysconf(_SC_NPROCESSORS_CONF);
358 #ifndef FIO_HAVE_CPU_ONLINE_SYSCONF
359 static inline unsigned int cpus_online(void)
361 return sysconf(_SC_NPROCESSORS_ONLN);
366 #ifdef FIO_HAVE_CPU_AFFINITY
367 static inline int CPU_COUNT(os_cpu_mask_t *mask)
369 int max_cpus = cpus_online();
372 for (i = 0, nr_cpus = 0; i < max_cpus; i++)
373 if (fio_cpu_isset(mask, i))
381 #ifndef FIO_HAVE_GETTID
382 static inline int gettid(void)