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Jens Axboeebac4652005-12-08 15:25:21 +01001#ifndef FIO_OS_H
2#define FIO_OS_H
3
Jens Axboea14ca442009-12-20 22:24:10 +01004#include <sys/types.h>
Bruce Cran203913e2011-10-18 12:20:56 +02005#include <sys/socket.h>
Bruce Cran93bcfd22012-02-20 20:18:19 +01006#include <fcntl.h>
Bruce Cran03e20d62011-01-02 20:14:54 +01007#include <pthread.h>
Jens Axboea14ca442009-12-20 22:24:10 +01008#include <unistd.h>
Bruce Cranecc314b2011-01-04 10:59:30 +01009#include <stdlib.h>
Jens Axboea14ca442009-12-20 22:24:10 +010010
Jens Axboecca84642011-10-07 12:47:57 +020011enum {
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,
20
21 os_nr,
22};
23
Jens Axboeebac4652005-12-08 15:25:21 +010024#if defined(__linux__)
25#include "os-linux.h"
26#elif defined(__FreeBSD__)
27#include "os-freebsd.h"
YAMAMOTO Takashi74524402010-05-12 15:06:46 +020028#elif defined(__NetBSD__)
29#include "os-netbsd.h"
Jens Axboe2c0ecd22006-06-08 13:25:41 +020030#elif defined(__sun__)
31#include "os-solaris.h"
Jens Axboe2afd8262009-12-14 23:08:42 +010032#elif defined(__APPLE__)
33#include "os-mac.h"
Cigy Cyriacbf2e8212010-08-10 19:51:11 -040034#elif defined(_AIX)
35#include "os-aix.h"
Jens Axboec00a2282011-07-08 20:56:06 +020036#elif defined(__hpux)
37#include "os-hpux.h"
Bruce Cran93bcfd22012-02-20 20:18:19 +010038#elif defined(WIN32)
Bruce Cran03e20d62011-01-02 20:14:54 +010039#include "os-windows.h"
Jens Axboeebac4652005-12-08 15:25:21 +010040#else
41#error "unsupported os"
42#endif
43
44#ifdef FIO_HAVE_LIBAIO
45#include <libaio.h>
46#endif
47
48#ifdef FIO_HAVE_POSIXAIO
49#include <aio.h>
Jens Axboee97c1442011-09-21 09:38:01 +020050#ifndef FIO_OS_HAVE_AIOCB_TYPEDEF
51typedef struct aiocb os_aiocb_t;
52#endif
Jens Axboeebac4652005-12-08 15:25:21 +010053#endif
54
55#ifdef FIO_HAVE_SGIO
56#include <linux/fs.h>
57#include <scsi/sg.h>
58#endif
59
Jens Axboe5921e802008-05-30 15:02:38 +020060#ifndef FIO_HAVE_STRSEP
Jens Axboe00fb3c82008-05-30 22:17:45 +020061#include "../lib/strsep.h"
Jens Axboe5921e802008-05-30 15:02:38 +020062#endif
63
Jens Axboe8e239ca2010-08-11 10:29:12 -040064#ifdef MSG_DONTWAIT
65#define OS_MSG_DONTWAIT MSG_DONTWAIT
66#endif
67
Jens Axboeebac4652005-12-08 15:25:21 +010068#ifndef FIO_HAVE_FADVISE
Bruce Cranecc314b2011-01-04 10:59:30 +010069#define posix_fadvise(fd, off, len, advice) (0)
Jens Axboeebac4652005-12-08 15:25:21 +010070
Shawn Lewis4d8947d2007-07-25 07:51:58 +020071#ifndef POSIX_FADV_DONTNEED
Jens Axboeebac4652005-12-08 15:25:21 +010072#define POSIX_FADV_DONTNEED (0)
73#define POSIX_FADV_SEQUENTIAL (0)
74#define POSIX_FADV_RANDOM (0)
Shawn Lewis4d8947d2007-07-25 07:51:58 +020075#endif
Jens Axboeebac4652005-12-08 15:25:21 +010076#endif /* FIO_HAVE_FADVISE */
77
78#ifndef FIO_HAVE_CPU_AFFINITY
Jens Axboee8462bd2009-07-06 12:59:04 +020079#define fio_setaffinity(pid, mask) (0)
Jens Axboebe4ecfd2008-12-08 14:10:52 +010080#define fio_getaffinity(pid, mask) do { } while (0)
81#define fio_cpu_clear(mask, cpu) do { } while (0)
Jens Axboe85daf2c2009-01-05 09:40:13 +010082#define fio_cpuset_exit(mask) (-1)
YAMAMOTO Takashi74524402010-05-12 15:06:46 +020083typedef unsigned long os_cpu_mask_t;
Jens Axboeebac4652005-12-08 15:25:21 +010084#endif
85
86#ifndef FIO_HAVE_IOPRIO
87#define ioprio_set(which, who, prio) (0)
88#endif
89
Jens Axboe2c0ecd22006-06-08 13:25:41 +020090#ifndef FIO_HAVE_ODIRECT
Jens Axboe7d424762006-06-08 13:26:31 +020091#define OS_O_DIRECT 0
92#else
93#define OS_O_DIRECT O_DIRECT
Jens Axboe2c0ecd22006-06-08 13:25:41 +020094#endif
95
Jens Axboe74b025b2006-12-19 15:18:14 +010096#ifndef FIO_HAVE_HUGETLB
97#define SHM_HUGETLB 0
Shawn Lewis4d8947d2007-07-25 07:51:58 +020098#ifndef FIO_HUGE_PAGE
Jens Axboe74b025b2006-12-19 15:18:14 +010099#define FIO_HUGE_PAGE 0
Shawn Lewis4d8947d2007-07-25 07:51:58 +0200100#endif
Jens Axboe74b025b2006-12-19 15:18:14 +0100101#else
Jens Axboecb25df62007-03-23 08:23:30 +0100102#ifndef FIO_HUGE_PAGE
Jens Axboeee0e0a72007-03-19 10:50:47 +0100103#define FIO_HUGE_PAGE 4194304
Jens Axboe74b025b2006-12-19 15:18:14 +0100104#endif
Jens Axboecb25df62007-03-23 08:23:30 +0100105#endif
Jens Axboe74b025b2006-12-19 15:18:14 +0100106
Jens Axboe5921e802008-05-30 15:02:38 +0200107#ifndef FIO_O_NOATIME
108#define FIO_O_NOATIME 0
109#endif
110
Jens Axboedc873b62008-06-04 20:13:04 +0200111#ifndef OS_RAND_MAX
112#define OS_RAND_MAX RAND_MAX
113#endif
114
Bruce Cranecc314b2011-01-04 10:59:30 +0100115#ifdef FIO_HAVE_CLOCK_MONOTONIC
116#define FIO_TIMER_CLOCK CLOCK_MONOTONIC
117#else
118#define FIO_TIMER_CLOCK CLOCK_REALTIME
119#endif
120
Jens Axboe07e5b262007-04-02 14:46:07 +0200121#ifndef FIO_HAVE_RAWBIND
Jens Axboe8cc7afa2007-04-17 09:06:43 +0200122#define fio_lookup_raw(dev, majdev, mindev) 1
Jens Axboe07e5b262007-04-02 14:46:07 +0200123#endif
124
Jens Axboe58483fa2011-01-19 11:09:58 -0700125#ifndef FIO_PREFERRED_ENGINE
126#define FIO_PREFERRED_ENGINE "sync"
127#endif
128
Bruce Cranb9fd7882012-02-20 17:01:46 +0000129#ifndef FIO_OS_PATH_SEPARATOR
130#define FIO_OS_PATH_SEPARATOR "/"
131#endif
132
Bruce Cran16de1bf2012-02-20 17:07:32 +0000133#ifndef FIO_PREFERRED_CLOCK_SOURCE
134#define FIO_PREFERRED_CLOCK_SOURCE CS_CGETTIME
135#endif
136
Jens Axboefca70352011-07-06 20:12:54 +0200137#ifndef FIO_MAX_JOBS
138#define FIO_MAX_JOBS 2048
139#endif
140
Jens Axboe5ba13ea2011-10-04 23:50:28 +0200141#ifndef FIO_OS_HAVE_SOCKLEN_T
142typedef socklen_t fio_socklen_t;
143#endif
144
Jens Axboe901ebe12011-10-04 23:31:00 +0200145#ifdef FIO_USE_GENERIC_SWAP
Jens Axboe9677bec2011-10-04 16:02:51 +0200146static inline uint16_t fio_swap16(uint16_t val)
Jens Axboe232f9b72011-10-04 14:45:20 +0200147{
148 return (val << 8) | (val >> 8);
149}
150
Jens Axboe901ebe12011-10-04 23:31:00 +0200151static inline uint32_t fio_swap32(uint32_t val)
Jens Axboe232f9b72011-10-04 14:45:20 +0200152{
153 val = ((val & 0xff00ff00UL) >> 8) | ((val & 0x00ff00ffUL) << 8);
154
155 return (val >> 16) | (val << 16);
156}
157
Jens Axboe901ebe12011-10-04 23:31:00 +0200158static inline uint64_t fio_swap64(uint64_t val)
Jens Axboe232f9b72011-10-04 14:45:20 +0200159{
160 val = ((val & 0xff00ff00ff00ff00ULL) >> 8) |
161 ((val & 0x00ff00ff00ff00ffULL) << 8);
162 val = ((val & 0xffff0000ffff0000ULL) >> 16) |
163 ((val & 0x0000ffff0000ffffULL) << 16);
164
165 return (val >> 32) | (val << 32);
166}
167#endif
168
Jens Axboe81110922011-10-05 12:40:49 +0200169#ifdef FIO_LITTLE_ENDIAN
170#define __le16_to_cpu(x) (x)
171#define __le32_to_cpu(x) (x)
172#define __le64_to_cpu(x) (x)
173#define __cpu_to_le16(x) (x)
174#define __cpu_to_le32(x) (x)
175#define __cpu_to_le64(x) (x)
176#else
177#define __le16_to_cpu(x) fio_swap16(x)
178#define __le32_to_cpu(x) fio_swap32(x)
179#define __le64_to_cpu(x) fio_swap64(x)
180#define __cpu_to_le16(x) fio_swap16(x)
181#define __cpu_to_le32(x) fio_swap32(x)
182#define __cpu_to_le64(x) fio_swap64(x)
183#endif
184
185#define le16_to_cpu(val) ({ \
186 uint16_t *__val = &(val); \
187 __le16_to_cpu(*__val); \
188})
189#define le32_to_cpu(val) ({ \
190 uint32_t *__val = &(val); \
191 __le32_to_cpu(*__val); \
192})
193#define le64_to_cpu(val) ({ \
194 uint64_t *__val = &(val); \
195 __le64_to_cpu(*__val); \
196})
197#define cpu_to_le16(val) ({ \
198 uint16_t *__val = &(val); \
199 __cpu_to_le16(*__val); \
200})
201#define cpu_to_le32(val) ({ \
202 uint32_t *__val = &(val); \
203 __cpu_to_le32(*__val); \
204})
205#define cpu_to_le64(val) ({ \
206 uint64_t *__val = &(val); \
207 __cpu_to_le64(*__val); \
208})
209
Jens Axboe5e62c222007-05-22 13:27:30 +0200210#ifndef FIO_HAVE_BLKTRACE
211static inline int is_blktrace(const char *fname)
212{
213 return 0;
214}
Jens Axboe5921e802008-05-30 15:02:38 +0200215struct thread_data;
Jens Axboe5e62c222007-05-22 13:27:30 +0200216static inline int load_blktrace(struct thread_data *td, const char *fname)
217{
218 return 1;
219}
220#endif
221
Jens Axboeeb7ccf32009-04-29 09:48:04 +0200222#define FIO_DEF_CL_SIZE 128
223
224static inline int os_cache_line_size(void)
225{
226#ifdef FIO_HAVE_CL_SIZE
227 int ret = arch_cache_line_size();
228
229 if (ret <= 0)
230 return FIO_DEF_CL_SIZE;
231
232 return ret;
233#else
234 return FIO_DEF_CL_SIZE;
235#endif
236}
237
Jens Axboe792d5512009-09-22 17:12:29 +0200238#ifdef FIO_USE_GENERIC_BDEV_SIZE
Bruce Cranecc314b2011-01-04 10:59:30 +0100239static inline int blockdev_size(struct fio_file *f, unsigned long long *bytes)
Jens Axboe792d5512009-09-22 17:12:29 +0200240{
Jens Axboe3b2e1462009-12-15 08:58:10 +0100241 off_t end;
Jens Axboe792d5512009-09-22 17:12:29 +0200242
Jens Axboe3b2e1462009-12-15 08:58:10 +0100243 *bytes = 0;
244
Bruce Cranecc314b2011-01-04 10:59:30 +0100245 end = lseek(f->fd, 0, SEEK_END);
Jens Axboe792d5512009-09-22 17:12:29 +0200246 if (end < 0)
247 return errno;
248
249 *bytes = end;
250 return 0;
251}
252#endif
253
Jens Axboe53531372009-12-15 10:28:37 +0100254#ifdef FIO_USE_GENERIC_RAND
255typedef unsigned int os_random_state_t;
256
257static inline void os_random_seed(unsigned long seed, os_random_state_t *rs)
258{
259 srand(seed);
260}
261
262static inline long os_random_long(os_random_state_t *rs)
263{
264 long val;
265
266 val = rand_r(rs);
267 return val;
268}
269#endif
270
Bruce Cran93bcfd22012-02-20 20:18:19 +0100271#ifdef FIO_USE_GENERIC_INIT_RANDOM_STATE
272extern void td_fill_rand_seeds(struct thread_data *td);
273/*
274 * Initialize the various random states we need (random io, block size ranges,
275 * read/write mix, etc).
276 */
277static inline int init_random_state(struct thread_data *td, unsigned long *rand_seeds, int size)
278{
279 int fd;
280
281 fd = open("/dev/urandom", O_RDONLY);
282 if (fd == -1) {
283 return 1;
284 }
285
286 if (read(fd, rand_seeds, size) < size) {
287 close(fd);
288 return 1;
289 }
290
291 close(fd);
292 td_fill_rand_seeds(td);
293 return 0;
294}
295#endif
296
Jens Axboe2e3bd4c2010-05-17 12:29:57 +0200297#ifndef FIO_HAVE_FS_STAT
298static inline unsigned long long get_fs_size(const char *path)
299{
300 return 0;
301}
302#endif
303
Jens Axboec00a2282011-07-08 20:56:06 +0200304#ifndef FIO_HAVE_CPU_ONLINE_SYSCONF
305static inline unsigned int cpus_online(void)
306{
307 return sysconf(_SC_NPROCESSORS_ONLN);
308}
309#endif
310
Jens Axboe47f767c2011-07-12 21:17:49 +0200311#ifndef FIO_HAVE_GETTID
312static inline int gettid(void)
313{
314 return getpid();
315}
316#endif
317
Jens Axboeebac4652005-12-08 15:25:21 +0100318#endif