Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1 | #ifndef FIO_OS_H |
| 2 | #define FIO_OS_H |
| 3 | |
Jens Axboe | a14ca44 | 2009-12-20 22:24:10 +0100 | [diff] [blame] | 4 | #include <sys/types.h> |
Bruce Cran | 03e20d6 | 2011-01-02 20:14:54 +0100 | [diff] [blame] | 5 | #include <pthread.h> |
Jens Axboe | a14ca44 | 2009-12-20 22:24:10 +0100 | [diff] [blame] | 6 | #include <unistd.h> |
Bruce Cran | ecc314b | 2011-01-04 10:59:30 +0100 | [diff] [blame] | 7 | #include <stdlib.h> |
Jens Axboe | a14ca44 | 2009-12-20 22:24:10 +0100 | [diff] [blame] | 8 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 9 | #if defined(__linux__) |
| 10 | #include "os-linux.h" |
| 11 | #elif defined(__FreeBSD__) |
| 12 | #include "os-freebsd.h" |
YAMAMOTO Takashi | 7452440 | 2010-05-12 15:06:46 +0200 | [diff] [blame] | 13 | #elif defined(__NetBSD__) |
| 14 | #include "os-netbsd.h" |
Jens Axboe | 2c0ecd2 | 2006-06-08 13:25:41 +0200 | [diff] [blame] | 15 | #elif defined(__sun__) |
| 16 | #include "os-solaris.h" |
Jens Axboe | 2afd826 | 2009-12-14 23:08:42 +0100 | [diff] [blame] | 17 | #elif defined(__APPLE__) |
| 18 | #include "os-mac.h" |
Cigy Cyriac | bf2e821 | 2010-08-10 19:51:11 -0400 | [diff] [blame] | 19 | #elif defined(_AIX) |
| 20 | #include "os-aix.h" |
Jens Axboe | c00a228 | 2011-07-08 20:56:06 +0200 | [diff] [blame] | 21 | #elif defined(__hpux) |
| 22 | #include "os-hpux.h" |
Bruce Cran | 03e20d6 | 2011-01-02 20:14:54 +0100 | [diff] [blame] | 23 | #elif defined(__CYGWIN__) |
| 24 | #include "os-windows.h" |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 25 | #else |
| 26 | #error "unsupported os" |
| 27 | #endif |
| 28 | |
| 29 | #ifdef FIO_HAVE_LIBAIO |
| 30 | #include <libaio.h> |
| 31 | #endif |
| 32 | |
| 33 | #ifdef FIO_HAVE_POSIXAIO |
| 34 | #include <aio.h> |
Jens Axboe | e97c144 | 2011-09-21 09:38:01 +0200 | [diff] [blame] | 35 | #ifndef FIO_OS_HAVE_AIOCB_TYPEDEF |
| 36 | typedef struct aiocb os_aiocb_t; |
| 37 | #endif |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 38 | #endif |
| 39 | |
| 40 | #ifdef FIO_HAVE_SGIO |
| 41 | #include <linux/fs.h> |
| 42 | #include <scsi/sg.h> |
| 43 | #endif |
| 44 | |
Jens Axboe | 5921e80 | 2008-05-30 15:02:38 +0200 | [diff] [blame] | 45 | #ifndef FIO_HAVE_STRSEP |
Jens Axboe | 00fb3c8 | 2008-05-30 22:17:45 +0200 | [diff] [blame] | 46 | #include "../lib/strsep.h" |
Jens Axboe | 5921e80 | 2008-05-30 15:02:38 +0200 | [diff] [blame] | 47 | #endif |
| 48 | |
Jens Axboe | 8e239ca | 2010-08-11 10:29:12 -0400 | [diff] [blame] | 49 | #ifdef MSG_DONTWAIT |
| 50 | #define OS_MSG_DONTWAIT MSG_DONTWAIT |
| 51 | #endif |
| 52 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 53 | #ifndef FIO_HAVE_FADVISE |
Bruce Cran | ecc314b | 2011-01-04 10:59:30 +0100 | [diff] [blame] | 54 | #define posix_fadvise(fd, off, len, advice) (0) |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 55 | |
Shawn Lewis | 4d8947d | 2007-07-25 07:51:58 +0200 | [diff] [blame] | 56 | #ifndef POSIX_FADV_DONTNEED |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 57 | #define POSIX_FADV_DONTNEED (0) |
| 58 | #define POSIX_FADV_SEQUENTIAL (0) |
| 59 | #define POSIX_FADV_RANDOM (0) |
Shawn Lewis | 4d8947d | 2007-07-25 07:51:58 +0200 | [diff] [blame] | 60 | #endif |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 61 | #endif /* FIO_HAVE_FADVISE */ |
| 62 | |
| 63 | #ifndef FIO_HAVE_CPU_AFFINITY |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 64 | #define fio_setaffinity(pid, mask) (0) |
Jens Axboe | be4ecfd | 2008-12-08 14:10:52 +0100 | [diff] [blame] | 65 | #define fio_getaffinity(pid, mask) do { } while (0) |
| 66 | #define fio_cpu_clear(mask, cpu) do { } while (0) |
Jens Axboe | 85daf2c | 2009-01-05 09:40:13 +0100 | [diff] [blame] | 67 | #define fio_cpuset_exit(mask) (-1) |
YAMAMOTO Takashi | 7452440 | 2010-05-12 15:06:46 +0200 | [diff] [blame] | 68 | typedef unsigned long os_cpu_mask_t; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 69 | #endif |
| 70 | |
| 71 | #ifndef FIO_HAVE_IOPRIO |
| 72 | #define ioprio_set(which, who, prio) (0) |
| 73 | #endif |
| 74 | |
Jens Axboe | 2c0ecd2 | 2006-06-08 13:25:41 +0200 | [diff] [blame] | 75 | #ifndef FIO_HAVE_ODIRECT |
Jens Axboe | 7d42476 | 2006-06-08 13:26:31 +0200 | [diff] [blame] | 76 | #define OS_O_DIRECT 0 |
| 77 | #else |
| 78 | #define OS_O_DIRECT O_DIRECT |
Jens Axboe | 2c0ecd2 | 2006-06-08 13:25:41 +0200 | [diff] [blame] | 79 | #endif |
| 80 | |
Jens Axboe | 74b025b | 2006-12-19 15:18:14 +0100 | [diff] [blame] | 81 | #ifndef FIO_HAVE_HUGETLB |
| 82 | #define SHM_HUGETLB 0 |
Shawn Lewis | 4d8947d | 2007-07-25 07:51:58 +0200 | [diff] [blame] | 83 | #ifndef FIO_HUGE_PAGE |
Jens Axboe | 74b025b | 2006-12-19 15:18:14 +0100 | [diff] [blame] | 84 | #define FIO_HUGE_PAGE 0 |
Shawn Lewis | 4d8947d | 2007-07-25 07:51:58 +0200 | [diff] [blame] | 85 | #endif |
Jens Axboe | 74b025b | 2006-12-19 15:18:14 +0100 | [diff] [blame] | 86 | #else |
Jens Axboe | cb25df6 | 2007-03-23 08:23:30 +0100 | [diff] [blame] | 87 | #ifndef FIO_HUGE_PAGE |
Jens Axboe | ee0e0a7 | 2007-03-19 10:50:47 +0100 | [diff] [blame] | 88 | #define FIO_HUGE_PAGE 4194304 |
Jens Axboe | 74b025b | 2006-12-19 15:18:14 +0100 | [diff] [blame] | 89 | #endif |
Jens Axboe | cb25df6 | 2007-03-23 08:23:30 +0100 | [diff] [blame] | 90 | #endif |
Jens Axboe | 74b025b | 2006-12-19 15:18:14 +0100 | [diff] [blame] | 91 | |
Jens Axboe | 5921e80 | 2008-05-30 15:02:38 +0200 | [diff] [blame] | 92 | #ifndef FIO_O_NOATIME |
| 93 | #define FIO_O_NOATIME 0 |
| 94 | #endif |
| 95 | |
Jens Axboe | dc873b6 | 2008-06-04 20:13:04 +0200 | [diff] [blame] | 96 | #ifndef OS_RAND_MAX |
| 97 | #define OS_RAND_MAX RAND_MAX |
| 98 | #endif |
| 99 | |
Bruce Cran | ecc314b | 2011-01-04 10:59:30 +0100 | [diff] [blame] | 100 | #ifdef FIO_HAVE_CLOCK_MONOTONIC |
| 101 | #define FIO_TIMER_CLOCK CLOCK_MONOTONIC |
| 102 | #else |
| 103 | #define FIO_TIMER_CLOCK CLOCK_REALTIME |
| 104 | #endif |
| 105 | |
Jens Axboe | 07e5b26 | 2007-04-02 14:46:07 +0200 | [diff] [blame] | 106 | #ifndef FIO_HAVE_RAWBIND |
Jens Axboe | 8cc7afa | 2007-04-17 09:06:43 +0200 | [diff] [blame] | 107 | #define fio_lookup_raw(dev, majdev, mindev) 1 |
Jens Axboe | 07e5b26 | 2007-04-02 14:46:07 +0200 | [diff] [blame] | 108 | #endif |
| 109 | |
Jens Axboe | 58483fa | 2011-01-19 11:09:58 -0700 | [diff] [blame] | 110 | #ifndef FIO_PREFERRED_ENGINE |
| 111 | #define FIO_PREFERRED_ENGINE "sync" |
| 112 | #endif |
| 113 | |
Jens Axboe | fca7035 | 2011-07-06 20:12:54 +0200 | [diff] [blame] | 114 | #ifndef FIO_MAX_JOBS |
| 115 | #define FIO_MAX_JOBS 2048 |
| 116 | #endif |
| 117 | |
Jens Axboe | 901ebe1 | 2011-10-04 23:31:00 +0200 | [diff] [blame^] | 118 | #ifdef FIO_USE_GENERIC_SWAP |
Jens Axboe | 9677bec | 2011-10-04 16:02:51 +0200 | [diff] [blame] | 119 | static inline uint16_t fio_swap16(uint16_t val) |
Jens Axboe | 232f9b7 | 2011-10-04 14:45:20 +0200 | [diff] [blame] | 120 | { |
| 121 | return (val << 8) | (val >> 8); |
| 122 | } |
| 123 | |
Jens Axboe | 901ebe1 | 2011-10-04 23:31:00 +0200 | [diff] [blame^] | 124 | static inline uint32_t fio_swap32(uint32_t val) |
Jens Axboe | 232f9b7 | 2011-10-04 14:45:20 +0200 | [diff] [blame] | 125 | { |
| 126 | val = ((val & 0xff00ff00UL) >> 8) | ((val & 0x00ff00ffUL) << 8); |
| 127 | |
| 128 | return (val >> 16) | (val << 16); |
| 129 | } |
| 130 | |
Jens Axboe | 901ebe1 | 2011-10-04 23:31:00 +0200 | [diff] [blame^] | 131 | static inline uint64_t fio_swap64(uint64_t val) |
Jens Axboe | 232f9b7 | 2011-10-04 14:45:20 +0200 | [diff] [blame] | 132 | { |
| 133 | val = ((val & 0xff00ff00ff00ff00ULL) >> 8) | |
| 134 | ((val & 0x00ff00ff00ff00ffULL) << 8); |
| 135 | val = ((val & 0xffff0000ffff0000ULL) >> 16) | |
| 136 | ((val & 0x0000ffff0000ffffULL) << 16); |
| 137 | |
| 138 | return (val >> 32) | (val << 32); |
| 139 | } |
| 140 | #endif |
| 141 | |
Jens Axboe | 5e62c22 | 2007-05-22 13:27:30 +0200 | [diff] [blame] | 142 | #ifndef FIO_HAVE_BLKTRACE |
| 143 | static inline int is_blktrace(const char *fname) |
| 144 | { |
| 145 | return 0; |
| 146 | } |
Jens Axboe | 5921e80 | 2008-05-30 15:02:38 +0200 | [diff] [blame] | 147 | struct thread_data; |
Jens Axboe | 5e62c22 | 2007-05-22 13:27:30 +0200 | [diff] [blame] | 148 | static inline int load_blktrace(struct thread_data *td, const char *fname) |
| 149 | { |
| 150 | return 1; |
| 151 | } |
| 152 | #endif |
| 153 | |
Jens Axboe | eb7ccf3 | 2009-04-29 09:48:04 +0200 | [diff] [blame] | 154 | #define FIO_DEF_CL_SIZE 128 |
| 155 | |
| 156 | static inline int os_cache_line_size(void) |
| 157 | { |
| 158 | #ifdef FIO_HAVE_CL_SIZE |
| 159 | int ret = arch_cache_line_size(); |
| 160 | |
| 161 | if (ret <= 0) |
| 162 | return FIO_DEF_CL_SIZE; |
| 163 | |
| 164 | return ret; |
| 165 | #else |
| 166 | return FIO_DEF_CL_SIZE; |
| 167 | #endif |
| 168 | } |
| 169 | |
Jens Axboe | 792d551 | 2009-09-22 17:12:29 +0200 | [diff] [blame] | 170 | #ifdef FIO_USE_GENERIC_BDEV_SIZE |
Bruce Cran | ecc314b | 2011-01-04 10:59:30 +0100 | [diff] [blame] | 171 | static inline int blockdev_size(struct fio_file *f, unsigned long long *bytes) |
Jens Axboe | 792d551 | 2009-09-22 17:12:29 +0200 | [diff] [blame] | 172 | { |
Jens Axboe | 3b2e146 | 2009-12-15 08:58:10 +0100 | [diff] [blame] | 173 | off_t end; |
Jens Axboe | 792d551 | 2009-09-22 17:12:29 +0200 | [diff] [blame] | 174 | |
Jens Axboe | 3b2e146 | 2009-12-15 08:58:10 +0100 | [diff] [blame] | 175 | *bytes = 0; |
| 176 | |
Bruce Cran | ecc314b | 2011-01-04 10:59:30 +0100 | [diff] [blame] | 177 | end = lseek(f->fd, 0, SEEK_END); |
Jens Axboe | 792d551 | 2009-09-22 17:12:29 +0200 | [diff] [blame] | 178 | if (end < 0) |
| 179 | return errno; |
| 180 | |
| 181 | *bytes = end; |
| 182 | return 0; |
| 183 | } |
| 184 | #endif |
| 185 | |
Jens Axboe | 5353137 | 2009-12-15 10:28:37 +0100 | [diff] [blame] | 186 | #ifdef FIO_USE_GENERIC_RAND |
| 187 | typedef unsigned int os_random_state_t; |
| 188 | |
| 189 | static inline void os_random_seed(unsigned long seed, os_random_state_t *rs) |
| 190 | { |
| 191 | srand(seed); |
| 192 | } |
| 193 | |
| 194 | static inline long os_random_long(os_random_state_t *rs) |
| 195 | { |
| 196 | long val; |
| 197 | |
| 198 | val = rand_r(rs); |
| 199 | return val; |
| 200 | } |
| 201 | #endif |
| 202 | |
Jens Axboe | 2e3bd4c | 2010-05-17 12:29:57 +0200 | [diff] [blame] | 203 | #ifndef FIO_HAVE_FS_STAT |
| 204 | static inline unsigned long long get_fs_size(const char *path) |
| 205 | { |
| 206 | return 0; |
| 207 | } |
| 208 | #endif |
| 209 | |
Jens Axboe | c00a228 | 2011-07-08 20:56:06 +0200 | [diff] [blame] | 210 | #ifndef FIO_HAVE_CPU_ONLINE_SYSCONF |
| 211 | static inline unsigned int cpus_online(void) |
| 212 | { |
| 213 | return sysconf(_SC_NPROCESSORS_ONLN); |
| 214 | } |
| 215 | #endif |
| 216 | |
Jens Axboe | 47f767c | 2011-07-12 21:17:49 +0200 | [diff] [blame] | 217 | #ifndef FIO_HAVE_GETTID |
| 218 | static inline int gettid(void) |
| 219 | { |
| 220 | return getpid(); |
| 221 | } |
| 222 | #endif |
| 223 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 224 | #endif |