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> |
| 5 | #include <unistd.h> |
| 6 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 7 | #if defined(__linux__) |
| 8 | #include "os-linux.h" |
| 9 | #elif defined(__FreeBSD__) |
| 10 | #include "os-freebsd.h" |
Jens Axboe | 2c0ecd2 | 2006-06-08 13:25:41 +0200 | [diff] [blame] | 11 | #elif defined(__sun__) |
| 12 | #include "os-solaris.h" |
Jens Axboe | 2afd826 | 2009-12-14 23:08:42 +0100 | [diff] [blame] | 13 | #elif defined(__APPLE__) |
| 14 | #include "os-mac.h" |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 15 | #else |
| 16 | #error "unsupported os" |
| 17 | #endif |
| 18 | |
| 19 | #ifdef FIO_HAVE_LIBAIO |
| 20 | #include <libaio.h> |
| 21 | #endif |
| 22 | |
| 23 | #ifdef FIO_HAVE_POSIXAIO |
| 24 | #include <aio.h> |
| 25 | #endif |
| 26 | |
| 27 | #ifdef FIO_HAVE_SGIO |
| 28 | #include <linux/fs.h> |
| 29 | #include <scsi/sg.h> |
| 30 | #endif |
| 31 | |
Jens Axboe | 5921e80 | 2008-05-30 15:02:38 +0200 | [diff] [blame] | 32 | #ifndef FIO_HAVE_STRSEP |
Jens Axboe | 00fb3c8 | 2008-05-30 22:17:45 +0200 | [diff] [blame] | 33 | #include "../lib/strsep.h" |
Jens Axboe | 5921e80 | 2008-05-30 15:02:38 +0200 | [diff] [blame] | 34 | #endif |
| 35 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 36 | #ifndef FIO_HAVE_FADVISE |
| 37 | #define fadvise(fd, off, len, advice) (0) |
| 38 | |
Shawn Lewis | 4d8947d | 2007-07-25 07:51:58 +0200 | [diff] [blame] | 39 | #ifndef POSIX_FADV_DONTNEED |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 40 | #define POSIX_FADV_DONTNEED (0) |
| 41 | #define POSIX_FADV_SEQUENTIAL (0) |
| 42 | #define POSIX_FADV_RANDOM (0) |
Shawn Lewis | 4d8947d | 2007-07-25 07:51:58 +0200 | [diff] [blame] | 43 | #endif |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 44 | #endif /* FIO_HAVE_FADVISE */ |
| 45 | |
| 46 | #ifndef FIO_HAVE_CPU_AFFINITY |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 47 | #define fio_setaffinity(pid, mask) (0) |
Jens Axboe | be4ecfd | 2008-12-08 14:10:52 +0100 | [diff] [blame] | 48 | #define fio_getaffinity(pid, mask) do { } while (0) |
| 49 | #define fio_cpu_clear(mask, cpu) do { } while (0) |
Jens Axboe | 85daf2c | 2009-01-05 09:40:13 +0100 | [diff] [blame] | 50 | #define fio_cpuset_exit(mask) (-1) |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 51 | #endif |
| 52 | |
| 53 | #ifndef FIO_HAVE_IOPRIO |
| 54 | #define ioprio_set(which, who, prio) (0) |
| 55 | #endif |
| 56 | |
Jens Axboe | 2c0ecd2 | 2006-06-08 13:25:41 +0200 | [diff] [blame] | 57 | #ifndef FIO_HAVE_ODIRECT |
Jens Axboe | 7d42476 | 2006-06-08 13:26:31 +0200 | [diff] [blame] | 58 | #define OS_O_DIRECT 0 |
| 59 | #else |
| 60 | #define OS_O_DIRECT O_DIRECT |
Jens Axboe | 2c0ecd2 | 2006-06-08 13:25:41 +0200 | [diff] [blame] | 61 | #endif |
| 62 | |
Jens Axboe | 74b025b | 2006-12-19 15:18:14 +0100 | [diff] [blame] | 63 | #ifndef FIO_HAVE_HUGETLB |
| 64 | #define SHM_HUGETLB 0 |
Shawn Lewis | 4d8947d | 2007-07-25 07:51:58 +0200 | [diff] [blame] | 65 | #ifndef FIO_HUGE_PAGE |
Jens Axboe | 74b025b | 2006-12-19 15:18:14 +0100 | [diff] [blame] | 66 | #define FIO_HUGE_PAGE 0 |
Shawn Lewis | 4d8947d | 2007-07-25 07:51:58 +0200 | [diff] [blame] | 67 | #endif |
Jens Axboe | 74b025b | 2006-12-19 15:18:14 +0100 | [diff] [blame] | 68 | #else |
Jens Axboe | cb25df6 | 2007-03-23 08:23:30 +0100 | [diff] [blame] | 69 | #ifndef FIO_HUGE_PAGE |
Jens Axboe | ee0e0a7 | 2007-03-19 10:50:47 +0100 | [diff] [blame] | 70 | #define FIO_HUGE_PAGE 4194304 |
Jens Axboe | 74b025b | 2006-12-19 15:18:14 +0100 | [diff] [blame] | 71 | #endif |
Jens Axboe | cb25df6 | 2007-03-23 08:23:30 +0100 | [diff] [blame] | 72 | #endif |
Jens Axboe | 74b025b | 2006-12-19 15:18:14 +0100 | [diff] [blame] | 73 | |
Jens Axboe | 5921e80 | 2008-05-30 15:02:38 +0200 | [diff] [blame] | 74 | #ifndef FIO_O_NOATIME |
| 75 | #define FIO_O_NOATIME 0 |
| 76 | #endif |
| 77 | |
Jens Axboe | dc873b6 | 2008-06-04 20:13:04 +0200 | [diff] [blame] | 78 | #ifndef OS_RAND_MAX |
| 79 | #define OS_RAND_MAX RAND_MAX |
| 80 | #endif |
| 81 | |
Jens Axboe | 07e5b26 | 2007-04-02 14:46:07 +0200 | [diff] [blame] | 82 | #ifndef FIO_HAVE_RAWBIND |
Jens Axboe | 8cc7afa | 2007-04-17 09:06:43 +0200 | [diff] [blame] | 83 | #define fio_lookup_raw(dev, majdev, mindev) 1 |
Jens Axboe | 07e5b26 | 2007-04-02 14:46:07 +0200 | [diff] [blame] | 84 | #endif |
| 85 | |
Jens Axboe | 5e62c22 | 2007-05-22 13:27:30 +0200 | [diff] [blame] | 86 | #ifndef FIO_HAVE_BLKTRACE |
| 87 | static inline int is_blktrace(const char *fname) |
| 88 | { |
| 89 | return 0; |
| 90 | } |
Jens Axboe | 5921e80 | 2008-05-30 15:02:38 +0200 | [diff] [blame] | 91 | struct thread_data; |
Jens Axboe | 5e62c22 | 2007-05-22 13:27:30 +0200 | [diff] [blame] | 92 | static inline int load_blktrace(struct thread_data *td, const char *fname) |
| 93 | { |
| 94 | return 1; |
| 95 | } |
| 96 | #endif |
| 97 | |
Jens Axboe | eb7ccf3 | 2009-04-29 09:48:04 +0200 | [diff] [blame] | 98 | #define FIO_DEF_CL_SIZE 128 |
| 99 | |
| 100 | static inline int os_cache_line_size(void) |
| 101 | { |
| 102 | #ifdef FIO_HAVE_CL_SIZE |
| 103 | int ret = arch_cache_line_size(); |
| 104 | |
| 105 | if (ret <= 0) |
| 106 | return FIO_DEF_CL_SIZE; |
| 107 | |
| 108 | return ret; |
| 109 | #else |
| 110 | return FIO_DEF_CL_SIZE; |
| 111 | #endif |
| 112 | } |
| 113 | |
Jens Axboe | 792d551 | 2009-09-22 17:12:29 +0200 | [diff] [blame] | 114 | #ifdef FIO_USE_GENERIC_BDEV_SIZE |
| 115 | static inline int blockdev_size(int fd, unsigned long long *bytes) |
| 116 | { |
Jens Axboe | 3b2e146 | 2009-12-15 08:58:10 +0100 | [diff] [blame] | 117 | off_t end; |
Jens Axboe | 792d551 | 2009-09-22 17:12:29 +0200 | [diff] [blame] | 118 | |
Jens Axboe | 3b2e146 | 2009-12-15 08:58:10 +0100 | [diff] [blame] | 119 | *bytes = 0; |
| 120 | |
| 121 | end = lseek(fd, 0, SEEK_END); |
Jens Axboe | 792d551 | 2009-09-22 17:12:29 +0200 | [diff] [blame] | 122 | if (end < 0) |
| 123 | return errno; |
| 124 | |
| 125 | *bytes = end; |
| 126 | return 0; |
| 127 | } |
| 128 | #endif |
| 129 | |
Jens Axboe | 5353137 | 2009-12-15 10:28:37 +0100 | [diff] [blame] | 130 | #ifdef FIO_USE_GENERIC_RAND |
| 131 | typedef unsigned int os_random_state_t; |
| 132 | |
| 133 | static inline void os_random_seed(unsigned long seed, os_random_state_t *rs) |
| 134 | { |
| 135 | srand(seed); |
| 136 | } |
| 137 | |
| 138 | static inline long os_random_long(os_random_state_t *rs) |
| 139 | { |
| 140 | long val; |
| 141 | |
| 142 | val = rand_r(rs); |
| 143 | return val; |
| 144 | } |
| 145 | #endif |
| 146 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 147 | #endif |