| 1 | #ifndef FIO_OS_H |
| 2 | #define FIO_OS_H |
| 3 | |
| 4 | #include <sys/types.h> |
| 5 | #include <pthread.h> |
| 6 | #include <unistd.h> |
| 7 | #include <stdlib.h> |
| 8 | |
| 9 | #if defined(__linux__) |
| 10 | #include "os-linux.h" |
| 11 | #elif defined(__FreeBSD__) |
| 12 | #include "os-freebsd.h" |
| 13 | #elif defined(__NetBSD__) |
| 14 | #include "os-netbsd.h" |
| 15 | #elif defined(__sun__) |
| 16 | #include "os-solaris.h" |
| 17 | #elif defined(__APPLE__) |
| 18 | #include "os-mac.h" |
| 19 | #elif defined(_AIX) |
| 20 | #include "os-aix.h" |
| 21 | #elif defined(__hpux) |
| 22 | #include "os-hpux.h" |
| 23 | #elif defined(__CYGWIN__) |
| 24 | #include "os-windows.h" |
| 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> |
| 35 | #ifndef FIO_OS_HAVE_AIOCB_TYPEDEF |
| 36 | typedef struct aiocb os_aiocb_t; |
| 37 | #endif |
| 38 | #endif |
| 39 | |
| 40 | #ifdef FIO_HAVE_SGIO |
| 41 | #include <linux/fs.h> |
| 42 | #include <scsi/sg.h> |
| 43 | #endif |
| 44 | |
| 45 | #ifndef FIO_HAVE_STRSEP |
| 46 | #include "../lib/strsep.h" |
| 47 | #endif |
| 48 | |
| 49 | #ifdef MSG_DONTWAIT |
| 50 | #define OS_MSG_DONTWAIT MSG_DONTWAIT |
| 51 | #endif |
| 52 | |
| 53 | #ifndef FIO_HAVE_FADVISE |
| 54 | #define posix_fadvise(fd, off, len, advice) (0) |
| 55 | |
| 56 | #ifndef POSIX_FADV_DONTNEED |
| 57 | #define POSIX_FADV_DONTNEED (0) |
| 58 | #define POSIX_FADV_SEQUENTIAL (0) |
| 59 | #define POSIX_FADV_RANDOM (0) |
| 60 | #endif |
| 61 | #endif /* FIO_HAVE_FADVISE */ |
| 62 | |
| 63 | #ifndef FIO_HAVE_CPU_AFFINITY |
| 64 | #define fio_setaffinity(pid, mask) (0) |
| 65 | #define fio_getaffinity(pid, mask) do { } while (0) |
| 66 | #define fio_cpu_clear(mask, cpu) do { } while (0) |
| 67 | #define fio_cpuset_exit(mask) (-1) |
| 68 | typedef unsigned long os_cpu_mask_t; |
| 69 | #endif |
| 70 | |
| 71 | #ifndef FIO_HAVE_IOPRIO |
| 72 | #define ioprio_set(which, who, prio) (0) |
| 73 | #endif |
| 74 | |
| 75 | #ifndef FIO_HAVE_ODIRECT |
| 76 | #define OS_O_DIRECT 0 |
| 77 | #else |
| 78 | #define OS_O_DIRECT O_DIRECT |
| 79 | #endif |
| 80 | |
| 81 | #ifndef FIO_HAVE_HUGETLB |
| 82 | #define SHM_HUGETLB 0 |
| 83 | #ifndef FIO_HUGE_PAGE |
| 84 | #define FIO_HUGE_PAGE 0 |
| 85 | #endif |
| 86 | #else |
| 87 | #ifndef FIO_HUGE_PAGE |
| 88 | #define FIO_HUGE_PAGE 4194304 |
| 89 | #endif |
| 90 | #endif |
| 91 | |
| 92 | #ifndef FIO_O_NOATIME |
| 93 | #define FIO_O_NOATIME 0 |
| 94 | #endif |
| 95 | |
| 96 | #ifndef OS_RAND_MAX |
| 97 | #define OS_RAND_MAX RAND_MAX |
| 98 | #endif |
| 99 | |
| 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 | |
| 106 | #ifndef FIO_HAVE_RAWBIND |
| 107 | #define fio_lookup_raw(dev, majdev, mindev) 1 |
| 108 | #endif |
| 109 | |
| 110 | #ifndef FIO_PREFERRED_ENGINE |
| 111 | #define FIO_PREFERRED_ENGINE "sync" |
| 112 | #endif |
| 113 | |
| 114 | #ifndef FIO_MAX_JOBS |
| 115 | #define FIO_MAX_JOBS 2048 |
| 116 | #endif |
| 117 | |
| 118 | #ifndef FIO_OS_HAVE_SOCKLEN_T |
| 119 | typedef socklen_t fio_socklen_t; |
| 120 | #endif |
| 121 | |
| 122 | #ifdef FIO_USE_GENERIC_SWAP |
| 123 | static inline uint16_t fio_swap16(uint16_t val) |
| 124 | { |
| 125 | return (val << 8) | (val >> 8); |
| 126 | } |
| 127 | |
| 128 | static inline uint32_t fio_swap32(uint32_t val) |
| 129 | { |
| 130 | val = ((val & 0xff00ff00UL) >> 8) | ((val & 0x00ff00ffUL) << 8); |
| 131 | |
| 132 | return (val >> 16) | (val << 16); |
| 133 | } |
| 134 | |
| 135 | static inline uint64_t fio_swap64(uint64_t val) |
| 136 | { |
| 137 | val = ((val & 0xff00ff00ff00ff00ULL) >> 8) | |
| 138 | ((val & 0x00ff00ff00ff00ffULL) << 8); |
| 139 | val = ((val & 0xffff0000ffff0000ULL) >> 16) | |
| 140 | ((val & 0x0000ffff0000ffffULL) << 16); |
| 141 | |
| 142 | return (val >> 32) | (val << 32); |
| 143 | } |
| 144 | #endif |
| 145 | |
| 146 | #ifdef FIO_LITTLE_ENDIAN |
| 147 | #define __le16_to_cpu(x) (x) |
| 148 | #define __le32_to_cpu(x) (x) |
| 149 | #define __le64_to_cpu(x) (x) |
| 150 | #define __cpu_to_le16(x) (x) |
| 151 | #define __cpu_to_le32(x) (x) |
| 152 | #define __cpu_to_le64(x) (x) |
| 153 | #else |
| 154 | #define __le16_to_cpu(x) fio_swap16(x) |
| 155 | #define __le32_to_cpu(x) fio_swap32(x) |
| 156 | #define __le64_to_cpu(x) fio_swap64(x) |
| 157 | #define __cpu_to_le16(x) fio_swap16(x) |
| 158 | #define __cpu_to_le32(x) fio_swap32(x) |
| 159 | #define __cpu_to_le64(x) fio_swap64(x) |
| 160 | #endif |
| 161 | |
| 162 | #define le16_to_cpu(val) ({ \ |
| 163 | uint16_t *__val = &(val); \ |
| 164 | __le16_to_cpu(*__val); \ |
| 165 | }) |
| 166 | #define le32_to_cpu(val) ({ \ |
| 167 | uint32_t *__val = &(val); \ |
| 168 | __le32_to_cpu(*__val); \ |
| 169 | }) |
| 170 | #define le64_to_cpu(val) ({ \ |
| 171 | uint64_t *__val = &(val); \ |
| 172 | __le64_to_cpu(*__val); \ |
| 173 | }) |
| 174 | #define cpu_to_le16(val) ({ \ |
| 175 | uint16_t *__val = &(val); \ |
| 176 | __cpu_to_le16(*__val); \ |
| 177 | }) |
| 178 | #define cpu_to_le32(val) ({ \ |
| 179 | uint32_t *__val = &(val); \ |
| 180 | __cpu_to_le32(*__val); \ |
| 181 | }) |
| 182 | #define cpu_to_le64(val) ({ \ |
| 183 | uint64_t *__val = &(val); \ |
| 184 | __cpu_to_le64(*__val); \ |
| 185 | }) |
| 186 | |
| 187 | #ifndef FIO_HAVE_BLKTRACE |
| 188 | static inline int is_blktrace(const char *fname) |
| 189 | { |
| 190 | return 0; |
| 191 | } |
| 192 | struct thread_data; |
| 193 | static inline int load_blktrace(struct thread_data *td, const char *fname) |
| 194 | { |
| 195 | return 1; |
| 196 | } |
| 197 | #endif |
| 198 | |
| 199 | #define FIO_DEF_CL_SIZE 128 |
| 200 | |
| 201 | static inline int os_cache_line_size(void) |
| 202 | { |
| 203 | #ifdef FIO_HAVE_CL_SIZE |
| 204 | int ret = arch_cache_line_size(); |
| 205 | |
| 206 | if (ret <= 0) |
| 207 | return FIO_DEF_CL_SIZE; |
| 208 | |
| 209 | return ret; |
| 210 | #else |
| 211 | return FIO_DEF_CL_SIZE; |
| 212 | #endif |
| 213 | } |
| 214 | |
| 215 | #ifdef FIO_USE_GENERIC_BDEV_SIZE |
| 216 | static inline int blockdev_size(struct fio_file *f, unsigned long long *bytes) |
| 217 | { |
| 218 | off_t end; |
| 219 | |
| 220 | *bytes = 0; |
| 221 | |
| 222 | end = lseek(f->fd, 0, SEEK_END); |
| 223 | if (end < 0) |
| 224 | return errno; |
| 225 | |
| 226 | *bytes = end; |
| 227 | return 0; |
| 228 | } |
| 229 | #endif |
| 230 | |
| 231 | #ifdef FIO_USE_GENERIC_RAND |
| 232 | typedef unsigned int os_random_state_t; |
| 233 | |
| 234 | static inline void os_random_seed(unsigned long seed, os_random_state_t *rs) |
| 235 | { |
| 236 | srand(seed); |
| 237 | } |
| 238 | |
| 239 | static inline long os_random_long(os_random_state_t *rs) |
| 240 | { |
| 241 | long val; |
| 242 | |
| 243 | val = rand_r(rs); |
| 244 | return val; |
| 245 | } |
| 246 | #endif |
| 247 | |
| 248 | #ifndef FIO_HAVE_FS_STAT |
| 249 | static inline unsigned long long get_fs_size(const char *path) |
| 250 | { |
| 251 | return 0; |
| 252 | } |
| 253 | #endif |
| 254 | |
| 255 | #ifndef FIO_HAVE_CPU_ONLINE_SYSCONF |
| 256 | static inline unsigned int cpus_online(void) |
| 257 | { |
| 258 | return sysconf(_SC_NPROCESSORS_ONLN); |
| 259 | } |
| 260 | #endif |
| 261 | |
| 262 | #ifndef FIO_HAVE_GETTID |
| 263 | static inline int gettid(void) |
| 264 | { |
| 265 | return getpid(); |
| 266 | } |
| 267 | #endif |
| 268 | |
| 269 | #endif |