5 #include <sys/socket.h>
11 #include "../arch/arch.h"
28 #if defined(__ANDROID__)
29 #include "os-android.h"
30 #elif defined(__linux__)
32 #elif defined(__FreeBSD__)
33 #include "os-freebsd.h"
34 #elif defined(__OpenBSD__)
35 #include "os-openbsd.h"
36 #elif defined(__NetBSD__)
37 #include "os-netbsd.h"
38 #elif defined(__sun__)
39 #include "os-solaris.h"
40 #elif defined(__APPLE__)
47 #include "os-windows.h"
49 #error "unsupported os"
52 #ifdef CONFIG_POSIXAIO
54 #ifndef FIO_OS_HAVE_AIOCB_TYPEDEF
55 typedef struct aiocb os_aiocb_t;
65 #include "../lib/strsep.h"
69 #define OS_MSG_DONTWAIT MSG_DONTWAIT
72 #ifndef POSIX_FADV_DONTNEED
73 #define POSIX_FADV_DONTNEED (0)
74 #define POSIX_FADV_SEQUENTIAL (0)
75 #define POSIX_FADV_RANDOM (0)
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 #define fio_cpus_split(mask, cpu) (0)
84 typedef unsigned long os_cpu_mask_t;
86 extern int fio_cpus_split(os_cpu_mask_t *mask, unsigned int cpu);
89 #ifndef FIO_HAVE_IOPRIO
90 #define ioprio_set(which, who, prioclass, prio) (0)
93 #ifndef FIO_HAVE_ODIRECT
96 #define OS_O_DIRECT O_DIRECT
100 #define FIO_O_ATOMIC OS_O_ATOMIC
102 #define FIO_O_ATOMIC 0
105 #ifndef FIO_HAVE_HUGETLB
106 #define SHM_HUGETLB 0
107 #define MAP_HUGETLB 0
108 #ifndef FIO_HUGE_PAGE
109 #define FIO_HUGE_PAGE 0
112 #ifndef FIO_HUGE_PAGE
113 #define FIO_HUGE_PAGE 4194304
117 #ifndef FIO_HAVE_MMAP_HUGE
118 #define MAP_HUGETLB 0
121 #ifndef FIO_O_NOATIME
122 #define FIO_O_NOATIME 0
126 #define OS_RAND_MAX RAND_MAX
129 #ifndef FIO_HAVE_RAWBIND
130 #define fio_lookup_raw(dev, majdev, mindev) 1
133 #ifndef FIO_PREFERRED_ENGINE
134 #define FIO_PREFERRED_ENGINE "sync"
137 #ifndef FIO_OS_PATH_SEPARATOR
138 #define FIO_OS_PATH_SEPARATOR "/"
141 #ifndef FIO_PREFERRED_CLOCK_SOURCE
142 #ifdef CONFIG_CLOCK_GETTIME
143 #define FIO_PREFERRED_CLOCK_SOURCE CS_CGETTIME
145 #define FIO_PREFERRED_CLOCK_SOURCE CS_GTOD
150 #define FIO_MAX_JOBS 2048
153 #ifndef CONFIG_SOCKLEN_T
154 typedef unsigned int socklen_t;
157 #ifndef FIO_OS_HAS_CTIME_R
158 #define os_ctime_r(x, y, z) (void) ctime_r((x), (y))
161 #ifdef FIO_USE_GENERIC_SWAP
162 static inline uint16_t fio_swap16(uint16_t val)
164 return (val << 8) | (val >> 8);
167 static inline uint32_t fio_swap32(uint32_t val)
169 val = ((val & 0xff00ff00UL) >> 8) | ((val & 0x00ff00ffUL) << 8);
171 return (val >> 16) | (val << 16);
174 static inline uint64_t fio_swap64(uint64_t val)
176 val = ((val & 0xff00ff00ff00ff00ULL) >> 8) |
177 ((val & 0x00ff00ff00ff00ffULL) << 8);
178 val = ((val & 0xffff0000ffff0000ULL) >> 16) |
179 ((val & 0x0000ffff0000ffffULL) << 16);
181 return (val >> 32) | (val << 32);
185 #ifndef FIO_HAVE_BYTEORDER_FUNCS
186 #ifdef CONFIG_LITTLE_ENDIAN
187 #define __le16_to_cpu(x) (x)
188 #define __le32_to_cpu(x) (x)
189 #define __le64_to_cpu(x) (x)
190 #define __cpu_to_le16(x) (x)
191 #define __cpu_to_le32(x) (x)
192 #define __cpu_to_le64(x) (x)
194 #define __le16_to_cpu(x) fio_swap16(x)
195 #define __le32_to_cpu(x) fio_swap32(x)
196 #define __le64_to_cpu(x) fio_swap64(x)
197 #define __cpu_to_le16(x) fio_swap16(x)
198 #define __cpu_to_le32(x) fio_swap32(x)
199 #define __cpu_to_le64(x) fio_swap64(x)
201 #endif /* FIO_HAVE_BYTEORDER_FUNCS */
204 #define le16_to_cpu(val) ({ \
205 typecheck(uint16_t, val); \
206 __le16_to_cpu(val); \
208 #define le32_to_cpu(val) ({ \
209 typecheck(uint32_t, val); \
210 __le32_to_cpu(val); \
212 #define le64_to_cpu(val) ({ \
213 typecheck(uint64_t, val); \
214 __le64_to_cpu(val); \
218 #define cpu_to_le16(val) ({ \
219 typecheck(uint16_t, val); \
220 __cpu_to_le16(val); \
222 #define cpu_to_le32(val) ({ \
223 typecheck(uint32_t, val); \
224 __cpu_to_le32(val); \
226 #define cpu_to_le64(val) ({ \
227 typecheck(uint64_t, val); \
228 __cpu_to_le64(val); \
231 #ifndef FIO_HAVE_BLKTRACE
232 static inline int is_blktrace(const char *fname, int *need_swap)
237 static inline int load_blktrace(struct thread_data *td, const char *fname,
244 #define FIO_DEF_CL_SIZE 128
246 static inline int os_cache_line_size(void)
248 #ifdef FIO_HAVE_CL_SIZE
249 int ret = arch_cache_line_size();
252 return FIO_DEF_CL_SIZE;
256 return FIO_DEF_CL_SIZE;
260 #ifdef FIO_USE_GENERIC_BDEV_SIZE
261 static inline int blockdev_size(struct fio_file *f, unsigned long long *bytes)
267 end = lseek(f->fd, 0, SEEK_END);
276 #ifdef FIO_USE_GENERIC_RAND
277 typedef unsigned int os_random_state_t;
279 static inline void os_random_seed(unsigned long seed, os_random_state_t *rs)
284 static inline long os_random_long(os_random_state_t *rs)
293 #ifdef FIO_USE_GENERIC_INIT_RANDOM_STATE
294 extern void td_fill_rand_seeds(struct thread_data *td);
296 * Initialize the various random states we need (random io, block size ranges,
297 * read/write mix, etc).
299 static inline int init_random_state(struct thread_data *td, unsigned long *rand_seeds, int size)
303 fd = open("/dev/urandom", O_RDONLY);
308 if (read(fd, rand_seeds, size) < size) {
314 td_fill_rand_seeds(td);
319 #ifndef FIO_HAVE_FS_STAT
320 static inline unsigned long long get_fs_size(const char *path)
326 #ifndef FIO_HAVE_CPU_ONLINE_SYSCONF
327 static inline unsigned int cpus_online(void)
329 return sysconf(_SC_NPROCESSORS_ONLN);
334 #ifdef FIO_HAVE_CPU_AFFINITY
335 static inline int CPU_COUNT(os_cpu_mask_t *mask)
337 int max_cpus = cpus_online();
340 for (i = 0, nr_cpus = 0; i < max_cpus; i++)
341 if (fio_cpu_isset(mask, i))
349 #ifndef FIO_HAVE_GETTID
350 static inline int gettid(void)