projects / fio.git / blame
| Commit | Line | Data |
|---|---|---|
| ebac4655 JA |
1 | #ifndef FIO_OS_H |
| 2 | #define FIO_OS_H | |
| 3 | ||
| a14ca44a JA |
4 | #include <sys/types.h> |
| 5 | #include <unistd.h> | |
| 6 | ||
| ebac4655 JA |
7 | #if defined(__linux__) |
| 8 | #include "os-linux.h" | |
| 9 | #elif defined(__FreeBSD__) | |
| 10 | #include "os-freebsd.h" | |
| 2c0ecd28 JA |
11 | #elif defined(__sun__) |
| 12 | #include "os-solaris.h" | |
| 2afd826b JA |
13 | #elif defined(__APPLE__) |
| 14 | #include "os-mac.h" | |
| ebac4655 JA |
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 | ||
| 5921e80c | 32 | #ifndef FIO_HAVE_STRSEP |
| 00fb3c8d | 33 | #include "../lib/strsep.h" |
| 5921e80c JA |
34 | #endif |
| 35 | ||
| ebac4655 JA |
36 | #ifndef FIO_HAVE_FADVISE |
| 37 | #define fadvise(fd, off, len, advice) (0) | |
| 38 | ||
| 4d8947de | 39 | #ifndef POSIX_FADV_DONTNEED |
| ebac4655 JA |
40 | #define POSIX_FADV_DONTNEED (0) |
| 41 | #define POSIX_FADV_SEQUENTIAL (0) | |
| 42 | #define POSIX_FADV_RANDOM (0) | |
| 4d8947de | 43 | #endif |
| ebac4655 JA |
44 | #endif /* FIO_HAVE_FADVISE */ |
| 45 | ||
| 46 | #ifndef FIO_HAVE_CPU_AFFINITY | |
| e8462bd8 | 47 | #define fio_setaffinity(pid, mask) (0) |
| be4ecfdf JA |
48 | #define fio_getaffinity(pid, mask) do { } while (0) |
| 49 | #define fio_cpu_clear(mask, cpu) do { } while (0) | |
| 85daf2c1 | 50 | #define fio_cpuset_exit(mask) (-1) |
| ebac4655 JA |
51 | #endif |
| 52 | ||
| 53 | #ifndef FIO_HAVE_IOPRIO | |
| 54 | #define ioprio_set(which, who, prio) (0) | |
| 55 | #endif | |
| 56 | ||
| 2c0ecd28 | 57 | #ifndef FIO_HAVE_ODIRECT |
| 7d424763 JA |
58 | #define OS_O_DIRECT 0 |
| 59 | #else | |
| 60 | #define OS_O_DIRECT O_DIRECT | |
| 2c0ecd28 JA |
61 | #endif |
| 62 | ||
| 74b025b0 JA |
63 | #ifndef FIO_HAVE_HUGETLB |
| 64 | #define SHM_HUGETLB 0 | |
| 4d8947de | 65 | #ifndef FIO_HUGE_PAGE |
| 74b025b0 | 66 | #define FIO_HUGE_PAGE 0 |
| 4d8947de | 67 | #endif |
| 74b025b0 | 68 | #else |
| cb25df61 | 69 | #ifndef FIO_HUGE_PAGE |
| ee0e0a71 | 70 | #define FIO_HUGE_PAGE 4194304 |
| 74b025b0 | 71 | #endif |
| cb25df61 | 72 | #endif |
| 74b025b0 | 73 | |
| 5921e80c JA |
74 | #ifndef FIO_O_NOATIME |
| 75 | #define FIO_O_NOATIME 0 | |
| 76 | #endif | |
| 77 | ||
| dc873b6f JA |
78 | #ifndef OS_RAND_MAX |
| 79 | #define OS_RAND_MAX RAND_MAX | |
| 80 | #endif | |
| 81 | ||
| 07e5b264 | 82 | #ifndef FIO_HAVE_RAWBIND |
| 8cc7afa9 | 83 | #define fio_lookup_raw(dev, majdev, mindev) 1 |
| 07e5b264 JA |
84 | #endif |
| 85 | ||
| 5e62c22a JA |
86 | #ifndef FIO_HAVE_BLKTRACE |
| 87 | static inline int is_blktrace(const char *fname) | |
| 88 | { | |
| 89 | return 0; | |
| 90 | } | |
| 5921e80c | 91 | struct thread_data; |
| 5e62c22a JA |
92 | static inline int load_blktrace(struct thread_data *td, const char *fname) |
| 93 | { | |
| 94 | return 1; | |
| 95 | } | |
| 96 | #endif | |
| 97 | ||
| eb7ccf38 JA |
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 | ||
| 792d5517 JA |
114 | #ifdef FIO_USE_GENERIC_BDEV_SIZE |
| 115 | static inline int blockdev_size(int fd, unsigned long long *bytes) | |
| 116 | { | |
| 3b2e1464 | 117 | off_t end; |
| 792d5517 | 118 | |
| 3b2e1464 JA |
119 | *bytes = 0; |
| 120 | ||
| 121 | end = lseek(fd, 0, SEEK_END); | |
| 792d5517 JA |
122 | if (end < 0) |
| 123 | return errno; | |
| 124 | ||
| 125 | *bytes = end; | |
| 126 | return 0; | |
| 127 | } | |
| 128 | #endif | |
| 129 | ||
| 53531370 JA |
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 | ||
| ebac4655 | 147 | #endif |