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 typedef unsigned long os_cpu_mask_t;
86 #ifndef FIO_HAVE_IOPRIO
87 #define ioprio_set(which, who, prioclass, prio) (0)
90 #ifndef FIO_HAVE_ODIRECT
93 #define OS_O_DIRECT O_DIRECT
97 #define FIO_O_ATOMIC OS_O_ATOMIC
99 #define FIO_O_ATOMIC 0
102 #ifndef FIO_HAVE_HUGETLB
103 #define SHM_HUGETLB 0
104 #define MAP_HUGETLB 0
105 #ifndef FIO_HUGE_PAGE
106 #define FIO_HUGE_PAGE 0
109 #ifndef FIO_HUGE_PAGE
110 #define FIO_HUGE_PAGE 4194304
114 #ifndef FIO_HAVE_MMAP_HUGE
115 #define MAP_HUGETLB 0
118 #ifndef FIO_O_NOATIME
119 #define FIO_O_NOATIME 0
123 #define OS_RAND_MAX RAND_MAX
126 #ifndef FIO_HAVE_RAWBIND
127 #define fio_lookup_raw(dev, majdev, mindev) 1
130 #ifndef FIO_PREFERRED_ENGINE
131 #define FIO_PREFERRED_ENGINE "sync"
134 #ifndef FIO_OS_PATH_SEPARATOR
135 #define FIO_OS_PATH_SEPARATOR "/"
138 #ifndef FIO_PREFERRED_CLOCK_SOURCE
139 #ifdef CONFIG_CLOCK_GETTIME
140 #define FIO_PREFERRED_CLOCK_SOURCE CS_CGETTIME
142 #define FIO_PREFERRED_CLOCK_SOURCE CS_GTOD
147 #define FIO_MAX_JOBS 2048
150 #ifndef CONFIG_SOCKLEN_T
151 typedef unsigned int socklen_t;
154 #ifndef FIO_OS_HAS_CTIME_R
155 #define os_ctime_r(x, y, z) (void) ctime_r((x), (y))
158 #ifdef FIO_USE_GENERIC_SWAP
159 static inline uint16_t fio_swap16(uint16_t val)
161 return (val << 8) | (val >> 8);
164 static inline uint32_t fio_swap32(uint32_t val)
166 val = ((val & 0xff00ff00UL) >> 8) | ((val & 0x00ff00ffUL) << 8);
168 return (val >> 16) | (val << 16);
171 static inline uint64_t fio_swap64(uint64_t val)
173 val = ((val & 0xff00ff00ff00ff00ULL) >> 8) |
174 ((val & 0x00ff00ff00ff00ffULL) << 8);
175 val = ((val & 0xffff0000ffff0000ULL) >> 16) |
176 ((val & 0x0000ffff0000ffffULL) << 16);
178 return (val >> 32) | (val << 32);
182 #ifndef FIO_HAVE_BYTEORDER_FUNCS
183 #ifdef CONFIG_LITTLE_ENDIAN
184 #define __le16_to_cpu(x) (x)
185 #define __le32_to_cpu(x) (x)
186 #define __le64_to_cpu(x) (x)
187 #define __cpu_to_le16(x) (x)
188 #define __cpu_to_le32(x) (x)
189 #define __cpu_to_le64(x) (x)
191 #define __le16_to_cpu(x) fio_swap16(x)
192 #define __le32_to_cpu(x) fio_swap32(x)
193 #define __le64_to_cpu(x) fio_swap64(x)
194 #define __cpu_to_le16(x) fio_swap16(x)
195 #define __cpu_to_le32(x) fio_swap32(x)
196 #define __cpu_to_le64(x) fio_swap64(x)
198 #endif /* FIO_HAVE_BYTEORDER_FUNCS */
200 #define le16_to_cpu(val) ({ \
201 uint16_t *__val = &(val); \
202 __le16_to_cpu(*__val); \
204 #define le32_to_cpu(val) ({ \
205 uint32_t *__val = &(val); \
206 __le32_to_cpu(*__val); \
208 #define le64_to_cpu(val) ({ \
209 uint64_t *__val = &(val); \
210 __le64_to_cpu(*__val); \
212 #define cpu_to_le16(val) ({ \
213 uint16_t *__val = &(val); \
214 __cpu_to_le16(*__val); \
216 #define cpu_to_le32(val) ({ \
217 uint32_t *__val = &(val); \
218 __cpu_to_le32(*__val); \
220 #define cpu_to_le64(val) ({ \
221 uint64_t *__val = &(val); \
222 __cpu_to_le64(*__val); \
225 #ifndef FIO_HAVE_BLKTRACE
226 static inline int is_blktrace(const char *fname, int *need_swap)
231 static inline int load_blktrace(struct thread_data *td, const char *fname,
238 #define FIO_DEF_CL_SIZE 128
240 static inline int os_cache_line_size(void)
242 #ifdef FIO_HAVE_CL_SIZE
243 int ret = arch_cache_line_size();
246 return FIO_DEF_CL_SIZE;
250 return FIO_DEF_CL_SIZE;
254 #ifdef FIO_USE_GENERIC_BDEV_SIZE
255 static inline int blockdev_size(struct fio_file *f, unsigned long long *bytes)
261 end = lseek(f->fd, 0, SEEK_END);
270 #ifdef FIO_USE_GENERIC_RAND
271 typedef unsigned int os_random_state_t;
273 static inline void os_random_seed(unsigned long seed, os_random_state_t *rs)
278 static inline long os_random_long(os_random_state_t *rs)
287 #ifdef FIO_USE_GENERIC_INIT_RANDOM_STATE
288 extern void td_fill_rand_seeds(struct thread_data *td);
290 * Initialize the various random states we need (random io, block size ranges,
291 * read/write mix, etc).
293 static inline int init_random_state(struct thread_data *td, unsigned long *rand_seeds, int size)
297 fd = open("/dev/urandom", O_RDONLY);
302 if (read(fd, rand_seeds, size) < size) {
308 td_fill_rand_seeds(td);
313 #ifndef FIO_HAVE_FS_STAT
314 static inline unsigned long long get_fs_size(const char *path)
320 #ifndef FIO_HAVE_CPU_ONLINE_SYSCONF
321 static inline unsigned int cpus_online(void)
323 return sysconf(_SC_NPROCESSORS_ONLN);
327 #ifndef FIO_HAVE_GETTID
328 static inline int gettid(void)