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_getaffinity(pid, mask) do { } while (0)
83 #define fio_cpu_clear(mask, cpu) do { } while (0)
84 typedef unsigned long os_cpu_mask_t;
86 static inline int fio_setaffinity(int pid, os_cpu_mask_t cpumask)
91 static inline int fio_cpuset_exit(os_cpu_mask_t *mask)
96 static inline int fio_cpus_split(os_cpu_mask_t *mask, unsigned int cpu_index)
101 extern int fio_cpus_split(os_cpu_mask_t *mask, unsigned int cpu);
104 #ifndef FIO_HAVE_IOPRIO
105 #define ioprio_set(which, who, prioclass, prio) (0)
108 #ifndef FIO_HAVE_ODIRECT
109 #define OS_O_DIRECT 0
111 #define OS_O_DIRECT O_DIRECT
115 #define FIO_O_ATOMIC OS_O_ATOMIC
117 #define FIO_O_ATOMIC 0
120 #ifndef FIO_HAVE_HUGETLB
121 #define SHM_HUGETLB 0
122 #define MAP_HUGETLB 0
123 #ifndef FIO_HUGE_PAGE
124 #define FIO_HUGE_PAGE 0
127 #ifndef FIO_HUGE_PAGE
128 #define FIO_HUGE_PAGE 4194304
132 #ifndef FIO_HAVE_MMAP_HUGE
133 #define MAP_HUGETLB 0
136 #ifndef FIO_O_NOATIME
137 #define FIO_O_NOATIME 0
141 #define OS_RAND_MAX RAND_MAX
144 #ifndef FIO_HAVE_RAWBIND
145 #define fio_lookup_raw(dev, majdev, mindev) 1
148 #ifndef FIO_PREFERRED_ENGINE
149 #define FIO_PREFERRED_ENGINE "sync"
152 #ifndef FIO_OS_PATH_SEPARATOR
153 #define FIO_OS_PATH_SEPARATOR "/"
156 #ifndef FIO_PREFERRED_CLOCK_SOURCE
157 #ifdef CONFIG_CLOCK_GETTIME
158 #define FIO_PREFERRED_CLOCK_SOURCE CS_CGETTIME
160 #define FIO_PREFERRED_CLOCK_SOURCE CS_GTOD
165 #define FIO_MAX_JOBS 2048
168 #ifndef CONFIG_SOCKLEN_T
169 typedef unsigned int socklen_t;
172 #ifndef FIO_OS_HAS_CTIME_R
173 #define os_ctime_r(x, y, z) (void) ctime_r((x), (y))
176 #ifdef FIO_USE_GENERIC_SWAP
177 static inline uint16_t fio_swap16(uint16_t val)
179 return (val << 8) | (val >> 8);
182 static inline uint32_t fio_swap32(uint32_t val)
184 val = ((val & 0xff00ff00UL) >> 8) | ((val & 0x00ff00ffUL) << 8);
186 return (val >> 16) | (val << 16);
189 static inline uint64_t fio_swap64(uint64_t val)
191 val = ((val & 0xff00ff00ff00ff00ULL) >> 8) |
192 ((val & 0x00ff00ff00ff00ffULL) << 8);
193 val = ((val & 0xffff0000ffff0000ULL) >> 16) |
194 ((val & 0x0000ffff0000ffffULL) << 16);
196 return (val >> 32) | (val << 32);
200 #ifndef FIO_HAVE_BYTEORDER_FUNCS
201 #ifdef CONFIG_LITTLE_ENDIAN
202 #define __le16_to_cpu(x) (x)
203 #define __le32_to_cpu(x) (x)
204 #define __le64_to_cpu(x) (x)
205 #define __cpu_to_le16(x) (x)
206 #define __cpu_to_le32(x) (x)
207 #define __cpu_to_le64(x) (x)
209 #define __le16_to_cpu(x) fio_swap16(x)
210 #define __le32_to_cpu(x) fio_swap32(x)
211 #define __le64_to_cpu(x) fio_swap64(x)
212 #define __cpu_to_le16(x) fio_swap16(x)
213 #define __cpu_to_le32(x) fio_swap32(x)
214 #define __cpu_to_le64(x) fio_swap64(x)
216 #endif /* FIO_HAVE_BYTEORDER_FUNCS */
219 #define le16_to_cpu(val) ({ \
220 typecheck(uint16_t, val); \
221 __le16_to_cpu(val); \
223 #define le32_to_cpu(val) ({ \
224 typecheck(uint32_t, val); \
225 __le32_to_cpu(val); \
227 #define le64_to_cpu(val) ({ \
228 typecheck(uint64_t, val); \
229 __le64_to_cpu(val); \
233 #define cpu_to_le16(val) ({ \
234 typecheck(uint16_t, val); \
235 __cpu_to_le16(val); \
237 #define cpu_to_le32(val) ({ \
238 typecheck(uint32_t, val); \
239 __cpu_to_le32(val); \
241 #define cpu_to_le64(val) ({ \
242 typecheck(uint64_t, val); \
243 __cpu_to_le64(val); \
246 #ifndef FIO_HAVE_BLKTRACE
247 static inline int is_blktrace(const char *fname, int *need_swap)
252 static inline int load_blktrace(struct thread_data *td, const char *fname,
259 #define FIO_DEF_CL_SIZE 128
261 static inline int os_cache_line_size(void)
263 #ifdef FIO_HAVE_CL_SIZE
264 int ret = arch_cache_line_size();
267 return FIO_DEF_CL_SIZE;
271 return FIO_DEF_CL_SIZE;
275 #ifdef FIO_USE_GENERIC_BDEV_SIZE
276 static inline int blockdev_size(struct fio_file *f, unsigned long long *bytes)
282 end = lseek(f->fd, 0, SEEK_END);
291 #ifdef FIO_USE_GENERIC_RAND
292 typedef unsigned int os_random_state_t;
294 static inline void os_random_seed(unsigned long seed, os_random_state_t *rs)
299 static inline long os_random_long(os_random_state_t *rs)
308 #ifdef FIO_USE_GENERIC_INIT_RANDOM_STATE
309 extern void td_fill_rand_seeds(struct thread_data *td);
311 * Initialize the various random states we need (random io, block size ranges,
312 * read/write mix, etc).
314 static inline int init_random_state(struct thread_data *td, unsigned long *rand_seeds, int size)
318 fd = open("/dev/urandom", O_RDONLY);
323 if (read(fd, rand_seeds, size) < size) {
329 td_fill_rand_seeds(td);
334 #ifndef FIO_HAVE_FS_STAT
335 static inline unsigned long long get_fs_size(const char *path)
341 #ifndef FIO_HAVE_CPU_ONLINE_SYSCONF
342 static inline unsigned int cpus_online(void)
344 return sysconf(_SC_NPROCESSORS_ONLN);
349 #ifdef FIO_HAVE_CPU_AFFINITY
350 static inline int CPU_COUNT(os_cpu_mask_t *mask)
352 int max_cpus = cpus_online();
355 for (i = 0, nr_cpus = 0; i < max_cpus; i++)
356 if (fio_cpu_isset(mask, i))
364 #ifndef FIO_HAVE_GETTID
365 static inline int gettid(void)