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"
72 #define OS_MSG_DONTWAIT MSG_DONTWAIT
75 #ifndef POSIX_FADV_DONTNEED
76 #define POSIX_FADV_DONTNEED (0)
77 #define POSIX_FADV_SEQUENTIAL (0)
78 #define POSIX_FADV_RANDOM (0)
81 #ifndef FIO_HAVE_CPU_AFFINITY
82 #define fio_setaffinity(pid, mask) (0)
83 #define fio_getaffinity(pid, mask) do { } while (0)
84 #define fio_cpu_clear(mask, cpu) do { } while (0)
85 #define fio_cpuset_exit(mask) (-1)
86 #define fio_cpus_split(mask, cpu) (0)
87 typedef unsigned long os_cpu_mask_t;
89 extern int fio_cpus_split(os_cpu_mask_t *mask, unsigned int cpu);
92 #ifndef FIO_HAVE_IOPRIO
93 #define ioprio_set(which, who, prioclass, prio) (0)
96 #ifndef FIO_HAVE_ODIRECT
99 #define OS_O_DIRECT O_DIRECT
103 #define FIO_O_ATOMIC OS_O_ATOMIC
105 #define FIO_O_ATOMIC 0
108 #ifndef FIO_HAVE_HUGETLB
109 #define SHM_HUGETLB 0
110 #define MAP_HUGETLB 0
111 #ifndef FIO_HUGE_PAGE
112 #define FIO_HUGE_PAGE 0
115 #ifndef FIO_HUGE_PAGE
116 #define FIO_HUGE_PAGE 4194304
120 #ifndef FIO_HAVE_MMAP_HUGE
121 #define MAP_HUGETLB 0
124 #ifndef FIO_O_NOATIME
125 #define FIO_O_NOATIME 0
129 #define OS_RAND_MAX RAND_MAX
132 #ifndef FIO_HAVE_RAWBIND
133 #define fio_lookup_raw(dev, majdev, mindev) 1
136 #ifndef FIO_PREFERRED_ENGINE
137 #define FIO_PREFERRED_ENGINE "sync"
140 #ifndef FIO_OS_PATH_SEPARATOR
141 #define FIO_OS_PATH_SEPARATOR "/"
144 #ifndef FIO_PREFERRED_CLOCK_SOURCE
145 #ifdef CONFIG_CLOCK_GETTIME
146 #define FIO_PREFERRED_CLOCK_SOURCE CS_CGETTIME
148 #define FIO_PREFERRED_CLOCK_SOURCE CS_GTOD
153 #define FIO_MAX_JOBS 2048
156 #ifndef CONFIG_SOCKLEN_T
157 typedef unsigned int socklen_t;
160 #ifndef FIO_OS_HAS_CTIME_R
161 #define os_ctime_r(x, y, z) (void) ctime_r((x), (y))
164 #ifdef FIO_USE_GENERIC_SWAP
165 static inline uint16_t fio_swap16(uint16_t val)
167 return (val << 8) | (val >> 8);
170 static inline uint32_t fio_swap32(uint32_t val)
172 val = ((val & 0xff00ff00UL) >> 8) | ((val & 0x00ff00ffUL) << 8);
174 return (val >> 16) | (val << 16);
177 static inline uint64_t fio_swap64(uint64_t val)
179 val = ((val & 0xff00ff00ff00ff00ULL) >> 8) |
180 ((val & 0x00ff00ff00ff00ffULL) << 8);
181 val = ((val & 0xffff0000ffff0000ULL) >> 16) |
182 ((val & 0x0000ffff0000ffffULL) << 16);
184 return (val >> 32) | (val << 32);
188 #ifndef FIO_HAVE_BYTEORDER_FUNCS
189 #ifdef CONFIG_LITTLE_ENDIAN
190 #define __le16_to_cpu(x) (x)
191 #define __le32_to_cpu(x) (x)
192 #define __le64_to_cpu(x) (x)
193 #define __cpu_to_le16(x) (x)
194 #define __cpu_to_le32(x) (x)
195 #define __cpu_to_le64(x) (x)
197 #define __le16_to_cpu(x) fio_swap16(x)
198 #define __le32_to_cpu(x) fio_swap32(x)
199 #define __le64_to_cpu(x) fio_swap64(x)
200 #define __cpu_to_le16(x) fio_swap16(x)
201 #define __cpu_to_le32(x) fio_swap32(x)
202 #define __cpu_to_le64(x) fio_swap64(x)
204 #endif /* FIO_HAVE_BYTEORDER_FUNCS */
207 #define le16_to_cpu(val) ({ \
208 typecheck(uint16_t, val); \
209 __le16_to_cpu(val); \
211 #define le32_to_cpu(val) ({ \
212 typecheck(uint32_t, val); \
213 __le32_to_cpu(val); \
215 #define le64_to_cpu(val) ({ \
216 typecheck(uint64_t, val); \
217 __le64_to_cpu(val); \
221 #define cpu_to_le16(val) ({ \
222 typecheck(uint16_t, val); \
223 __cpu_to_le16(val); \
225 #define cpu_to_le32(val) ({ \
226 typecheck(uint32_t, val); \
227 __cpu_to_le32(val); \
229 #define cpu_to_le64(val) ({ \
230 typecheck(uint64_t, val); \
231 __cpu_to_le64(val); \
234 #ifndef FIO_HAVE_BLKTRACE
235 static inline int is_blktrace(const char *fname, int *need_swap)
240 static inline int load_blktrace(struct thread_data *td, const char *fname,
247 #define FIO_DEF_CL_SIZE 128
249 static inline int os_cache_line_size(void)
251 #ifdef FIO_HAVE_CL_SIZE
252 int ret = arch_cache_line_size();
255 return FIO_DEF_CL_SIZE;
259 return FIO_DEF_CL_SIZE;
263 #ifdef FIO_USE_GENERIC_BDEV_SIZE
264 static inline int blockdev_size(struct fio_file *f, unsigned long long *bytes)
270 end = lseek(f->fd, 0, SEEK_END);
279 #ifdef FIO_USE_GENERIC_RAND
280 typedef unsigned int os_random_state_t;
282 static inline void os_random_seed(unsigned long seed, os_random_state_t *rs)
287 static inline long os_random_long(os_random_state_t *rs)
296 #ifdef FIO_USE_GENERIC_INIT_RANDOM_STATE
297 extern void td_fill_rand_seeds(struct thread_data *td);
299 * Initialize the various random states we need (random io, block size ranges,
300 * read/write mix, etc).
302 static inline int init_random_state(struct thread_data *td, unsigned long *rand_seeds, int size)
306 fd = open("/dev/urandom", O_RDONLY);
311 if (read(fd, rand_seeds, size) < size) {
317 td_fill_rand_seeds(td);
322 #ifndef FIO_HAVE_FS_STAT
323 static inline unsigned long long get_fs_size(const char *path)
329 #ifndef FIO_HAVE_CPU_ONLINE_SYSCONF
330 static inline unsigned int cpus_online(void)
332 return sysconf(_SC_NPROCESSORS_ONLN);
337 #ifdef FIO_HAVE_CPU_AFFINITY
338 static inline int CPU_COUNT(os_cpu_mask_t *mask)
340 int max_cpus = cpus_online();
343 for (i = 0, nr_cpus = 0; i < max_cpus; i++)
344 if (fio_cpu_isset(mask, i))
352 #ifndef FIO_HAVE_GETTID
353 static inline int gettid(void)