Update all Windows files except dobuild.cmd to use LF line endings
[fio.git] / os / os.h
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1#ifndef FIO_OS_H
2#define FIO_OS_H
3
a14ca44a 4#include <sys/types.h>
203913ea 5#include <sys/socket.h>
93bcfd20 6#include <fcntl.h>
03e20d68 7#include <pthread.h>
a14ca44a 8#include <unistd.h>
ecc314ba 9#include <stdlib.h>
a14ca44a 10
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11enum {
12 os_linux = 1,
13 os_aix,
14 os_freebsd,
15 os_hpux,
16 os_mac,
17 os_netbsd,
18 os_solaris,
19 os_windows,
ec5c6b12 20 os_android,
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21
22 os_nr,
23};
24
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25#if defined(__ANDROID__)
26#include "os-android.h"
27#elif defined(__linux__)
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28#include "os-linux.h"
29#elif defined(__FreeBSD__)
30#include "os-freebsd.h"
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31#elif defined(__NetBSD__)
32#include "os-netbsd.h"
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33#elif defined(__sun__)
34#include "os-solaris.h"
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35#elif defined(__APPLE__)
36#include "os-mac.h"
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37#elif defined(_AIX)
38#include "os-aix.h"
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39#elif defined(__hpux)
40#include "os-hpux.h"
93bcfd20 41#elif defined(WIN32)
03e20d68 42#include "os-windows.h"
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43#else
44#error "unsupported os"
45#endif
46
67bf9823 47#ifdef CONFIG_POSIXAIO
ebac4655 48#include <aio.h>
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49#ifndef FIO_OS_HAVE_AIOCB_TYPEDEF
50typedef struct aiocb os_aiocb_t;
51#endif
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52#endif
53
54#ifdef FIO_HAVE_SGIO
55#include <linux/fs.h>
56#include <scsi/sg.h>
57#endif
58
4feafb1e 59#ifndef CONFIG_STRSEP
00fb3c8d 60#include "../lib/strsep.h"
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61#endif
62
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63#ifdef MSG_DONTWAIT
64#define OS_MSG_DONTWAIT MSG_DONTWAIT
65#endif
66
4d8947de 67#ifndef POSIX_FADV_DONTNEED
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68#define POSIX_FADV_DONTNEED (0)
69#define POSIX_FADV_SEQUENTIAL (0)
70#define POSIX_FADV_RANDOM (0)
4d8947de 71#endif
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72
73#ifndef FIO_HAVE_CPU_AFFINITY
e8462bd8 74#define fio_setaffinity(pid, mask) (0)
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75#define fio_getaffinity(pid, mask) do { } while (0)
76#define fio_cpu_clear(mask, cpu) do { } while (0)
85daf2c1 77#define fio_cpuset_exit(mask) (-1)
7452440e 78typedef unsigned long os_cpu_mask_t;
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79#endif
80
81#ifndef FIO_HAVE_IOPRIO
82#define ioprio_set(which, who, prio) (0)
83#endif
84
2c0ecd28 85#ifndef FIO_HAVE_ODIRECT
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86#define OS_O_DIRECT 0
87#else
88#define OS_O_DIRECT O_DIRECT
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89#endif
90
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91#ifndef FIO_HAVE_HUGETLB
92#define SHM_HUGETLB 0
d6dc02fb 93#define MAP_HUGETLB 0
4d8947de 94#ifndef FIO_HUGE_PAGE
74b025b0 95#define FIO_HUGE_PAGE 0
4d8947de 96#endif
74b025b0 97#else
cb25df61 98#ifndef FIO_HUGE_PAGE
ee0e0a71 99#define FIO_HUGE_PAGE 4194304
74b025b0 100#endif
cb25df61 101#endif
74b025b0 102
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103#ifndef FIO_HAVE_MMAP_HUGE
104#define MAP_HUGETLB 0
105#endif
106
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107#ifndef FIO_O_NOATIME
108#define FIO_O_NOATIME 0
109#endif
110
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111#ifndef OS_RAND_MAX
112#define OS_RAND_MAX RAND_MAX
113#endif
114
07e5b264 115#ifndef FIO_HAVE_RAWBIND
8cc7afa9 116#define fio_lookup_raw(dev, majdev, mindev) 1
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117#endif
118
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119#ifndef FIO_PREFERRED_ENGINE
120#define FIO_PREFERRED_ENGINE "sync"
121#endif
122
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123#ifndef FIO_OS_PATH_SEPARATOR
124#define FIO_OS_PATH_SEPARATOR "/"
125#endif
126
16de1bf9 127#ifndef FIO_PREFERRED_CLOCK_SOURCE
86e53416 128#ifdef CONFIG_CLOCK_GETTIME
a7f5831f 129#define FIO_PREFERRED_CLOCK_SOURCE CS_CGETTIME
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130#else
131#define FIO_PREFERRED_CLOCK_SOURCE CS_GTOD
132#endif
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133#endif
134
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135#ifndef FIO_MAX_JOBS
136#define FIO_MAX_JOBS 2048
137#endif
138
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139#ifndef CONFIG_SOCKLEN_T
140typedef unsigned int socklen_t;
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141#endif
142
45054cbe 143#ifndef FIO_OS_HAS_CTIME_R
1f81991e 144#define os_ctime_r(x, y, z) (void) ctime_r((x), (y))
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145#endif
146
901ebe18 147#ifdef FIO_USE_GENERIC_SWAP
9677bec3 148static inline uint16_t fio_swap16(uint16_t val)
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149{
150 return (val << 8) | (val >> 8);
151}
152
901ebe18 153static inline uint32_t fio_swap32(uint32_t val)
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154{
155 val = ((val & 0xff00ff00UL) >> 8) | ((val & 0x00ff00ffUL) << 8);
156
157 return (val >> 16) | (val << 16);
158}
159
901ebe18 160static inline uint64_t fio_swap64(uint64_t val)
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161{
162 val = ((val & 0xff00ff00ff00ff00ULL) >> 8) |
163 ((val & 0x00ff00ff00ff00ffULL) << 8);
164 val = ((val & 0xffff0000ffff0000ULL) >> 16) |
165 ((val & 0x0000ffff0000ffffULL) << 16);
166
167 return (val >> 32) | (val << 32);
168}
169#endif
170
ec5c6b12 171#ifndef FIO_HAVE_BYTEORDER_FUNCS
0dcebdf4 172#ifdef CONFIG_LITTLE_ENDIAN
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173#define __le16_to_cpu(x) (x)
174#define __le32_to_cpu(x) (x)
175#define __le64_to_cpu(x) (x)
176#define __cpu_to_le16(x) (x)
177#define __cpu_to_le32(x) (x)
178#define __cpu_to_le64(x) (x)
179#else
180#define __le16_to_cpu(x) fio_swap16(x)
181#define __le32_to_cpu(x) fio_swap32(x)
182#define __le64_to_cpu(x) fio_swap64(x)
183#define __cpu_to_le16(x) fio_swap16(x)
184#define __cpu_to_le32(x) fio_swap32(x)
185#define __cpu_to_le64(x) fio_swap64(x)
186#endif
ec5c6b12 187#endif /* FIO_HAVE_BYTEORDER_FUNCS */
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188
189#define le16_to_cpu(val) ({ \
190 uint16_t *__val = &(val); \
191 __le16_to_cpu(*__val); \
192})
193#define le32_to_cpu(val) ({ \
194 uint32_t *__val = &(val); \
195 __le32_to_cpu(*__val); \
196})
197#define le64_to_cpu(val) ({ \
198 uint64_t *__val = &(val); \
199 __le64_to_cpu(*__val); \
200})
201#define cpu_to_le16(val) ({ \
202 uint16_t *__val = &(val); \
203 __cpu_to_le16(*__val); \
204})
205#define cpu_to_le32(val) ({ \
206 uint32_t *__val = &(val); \
207 __cpu_to_le32(*__val); \
208})
209#define cpu_to_le64(val) ({ \
210 uint64_t *__val = &(val); \
211 __cpu_to_le64(*__val); \
212})
213
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214#ifndef FIO_HAVE_BLKTRACE
215static inline int is_blktrace(const char *fname)
216{
217 return 0;
218}
5921e80c 219struct thread_data;
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220static inline int load_blktrace(struct thread_data *td, const char *fname)
221{
222 return 1;
223}
224#endif
225
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226#define FIO_DEF_CL_SIZE 128
227
228static inline int os_cache_line_size(void)
229{
230#ifdef FIO_HAVE_CL_SIZE
231 int ret = arch_cache_line_size();
232
233 if (ret <= 0)
234 return FIO_DEF_CL_SIZE;
235
236 return ret;
237#else
238 return FIO_DEF_CL_SIZE;
239#endif
240}
241
792d5517 242#ifdef FIO_USE_GENERIC_BDEV_SIZE
ecc314ba 243static inline int blockdev_size(struct fio_file *f, unsigned long long *bytes)
792d5517 244{
3b2e1464 245 off_t end;
792d5517 246
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247 *bytes = 0;
248
ecc314ba 249 end = lseek(f->fd, 0, SEEK_END);
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250 if (end < 0)
251 return errno;
252
253 *bytes = end;
254 return 0;
255}
256#endif
257
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258#ifdef FIO_USE_GENERIC_RAND
259typedef unsigned int os_random_state_t;
260
261static inline void os_random_seed(unsigned long seed, os_random_state_t *rs)
262{
263 srand(seed);
264}
265
266static inline long os_random_long(os_random_state_t *rs)
267{
268 long val;
269
270 val = rand_r(rs);
271 return val;
272}
273#endif
274
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275#ifdef FIO_USE_GENERIC_INIT_RANDOM_STATE
276extern void td_fill_rand_seeds(struct thread_data *td);
277/*
278 * Initialize the various random states we need (random io, block size ranges,
279 * read/write mix, etc).
280 */
281static inline int init_random_state(struct thread_data *td, unsigned long *rand_seeds, int size)
282{
283 int fd;
284
285 fd = open("/dev/urandom", O_RDONLY);
286 if (fd == -1) {
287 return 1;
288 }
289
290 if (read(fd, rand_seeds, size) < size) {
291 close(fd);
292 return 1;
293 }
294
295 close(fd);
296 td_fill_rand_seeds(td);
297 return 0;
298}
299#endif
300
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301#ifndef FIO_HAVE_FS_STAT
302static inline unsigned long long get_fs_size(const char *path)
303{
304 return 0;
305}
306#endif
307
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308#ifndef FIO_HAVE_CPU_ONLINE_SYSCONF
309static inline unsigned int cpus_online(void)
310{
311 return sysconf(_SC_NPROCESSORS_ONLN);
312}
313#endif
314
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315#ifndef FIO_HAVE_GETTID
316static inline int gettid(void)
317{
318 return getpid();
319}
320#endif
321
ebac4655 322#endif