| #ifndef FIO_OS_H |
| #define FIO_OS_H |
| |
| #include <sys/types.h> |
| #include <sys/socket.h> |
| #include <fcntl.h> |
| #include <pthread.h> |
| #include <unistd.h> |
| #include <stdlib.h> |
| |
| enum { |
| os_linux = 1, |
| os_aix, |
| os_freebsd, |
| os_hpux, |
| os_mac, |
| os_netbsd, |
| os_solaris, |
| os_windows, |
| os_android, |
| |
| os_nr, |
| }; |
| |
| #if defined(__ANDROID__) |
| #include "os-android.h" |
| #elif defined(__linux__) |
| #include "os-linux.h" |
| #elif defined(__FreeBSD__) |
| #include "os-freebsd.h" |
| #elif defined(__NetBSD__) |
| #include "os-netbsd.h" |
| #elif defined(__sun__) |
| #include "os-solaris.h" |
| #elif defined(__APPLE__) |
| #include "os-mac.h" |
| #elif defined(_AIX) |
| #include "os-aix.h" |
| #elif defined(__hpux) |
| #include "os-hpux.h" |
| #elif defined(WIN32) |
| #include "os-windows.h" |
| #else |
| #error "unsupported os" |
| #endif |
| |
| #ifdef FIO_HAVE_LIBAIO |
| #include <libaio.h> |
| #endif |
| |
| #ifdef FIO_HAVE_POSIXAIO |
| #include <aio.h> |
| #ifndef FIO_OS_HAVE_AIOCB_TYPEDEF |
| typedef struct aiocb os_aiocb_t; |
| #endif |
| #endif |
| |
| #ifdef FIO_HAVE_SGIO |
| #include <linux/fs.h> |
| #include <scsi/sg.h> |
| #endif |
| |
| #ifndef FIO_HAVE_STRSEP |
| #include "../lib/strsep.h" |
| #endif |
| |
| #ifdef MSG_DONTWAIT |
| #define OS_MSG_DONTWAIT MSG_DONTWAIT |
| #endif |
| |
| #ifndef POSIX_FADV_DONTNEED |
| #define POSIX_FADV_DONTNEED (0) |
| #define POSIX_FADV_SEQUENTIAL (0) |
| #define POSIX_FADV_RANDOM (0) |
| #endif |
| |
| #ifndef FIO_HAVE_CPU_AFFINITY |
| #define fio_setaffinity(pid, mask) (0) |
| #define fio_getaffinity(pid, mask) do { } while (0) |
| #define fio_cpu_clear(mask, cpu) do { } while (0) |
| #define fio_cpuset_exit(mask) (-1) |
| typedef unsigned long os_cpu_mask_t; |
| #endif |
| |
| #ifndef FIO_HAVE_IOPRIO |
| #define ioprio_set(which, who, prio) (0) |
| #endif |
| |
| #ifndef FIO_HAVE_ODIRECT |
| #define OS_O_DIRECT 0 |
| #else |
| #define OS_O_DIRECT O_DIRECT |
| #endif |
| |
| #ifndef FIO_HAVE_HUGETLB |
| #define SHM_HUGETLB 0 |
| #define MAP_HUGETLB 0 |
| #ifndef FIO_HUGE_PAGE |
| #define FIO_HUGE_PAGE 0 |
| #endif |
| #else |
| #ifndef FIO_HUGE_PAGE |
| #define FIO_HUGE_PAGE 4194304 |
| #endif |
| #endif |
| |
| #ifndef FIO_HAVE_MMAP_HUGE |
| #define MAP_HUGETLB 0 |
| #endif |
| |
| #ifndef FIO_O_NOATIME |
| #define FIO_O_NOATIME 0 |
| #endif |
| |
| #ifndef OS_RAND_MAX |
| #define OS_RAND_MAX RAND_MAX |
| #endif |
| |
| #ifdef FIO_HAVE_CLOCK_MONOTONIC |
| #define FIO_TIMER_CLOCK CLOCK_MONOTONIC |
| #else |
| #define FIO_TIMER_CLOCK CLOCK_REALTIME |
| #endif |
| |
| #ifndef FIO_HAVE_RAWBIND |
| #define fio_lookup_raw(dev, majdev, mindev) 1 |
| #endif |
| |
| #ifndef FIO_PREFERRED_ENGINE |
| #define FIO_PREFERRED_ENGINE "sync" |
| #endif |
| |
| #ifndef FIO_OS_PATH_SEPARATOR |
| #define FIO_OS_PATH_SEPARATOR "/" |
| #endif |
| |
| #ifndef FIO_PREFERRED_CLOCK_SOURCE |
| #define FIO_PREFERRED_CLOCK_SOURCE CS_GTOD |
| #endif |
| |
| #ifndef FIO_MAX_JOBS |
| #define FIO_MAX_JOBS 2048 |
| #endif |
| |
| #ifndef FIO_OS_HAVE_SOCKLEN_T |
| typedef socklen_t fio_socklen_t; |
| #endif |
| |
| #ifndef FIO_OS_HAS_CTIME_R |
| #define os_ctime_r(x, y, z) ctime_r((x), (y)) |
| #endif |
| |
| #ifdef FIO_USE_GENERIC_SWAP |
| static inline uint16_t fio_swap16(uint16_t val) |
| { |
| return (val << 8) | (val >> 8); |
| } |
| |
| static inline uint32_t fio_swap32(uint32_t val) |
| { |
| val = ((val & 0xff00ff00UL) >> 8) | ((val & 0x00ff00ffUL) << 8); |
| |
| return (val >> 16) | (val << 16); |
| } |
| |
| static inline uint64_t fio_swap64(uint64_t val) |
| { |
| val = ((val & 0xff00ff00ff00ff00ULL) >> 8) | |
| ((val & 0x00ff00ff00ff00ffULL) << 8); |
| val = ((val & 0xffff0000ffff0000ULL) >> 16) | |
| ((val & 0x0000ffff0000ffffULL) << 16); |
| |
| return (val >> 32) | (val << 32); |
| } |
| #endif |
| |
| #ifndef FIO_HAVE_BYTEORDER_FUNCS |
| #ifdef FIO_LITTLE_ENDIAN |
| #define __le16_to_cpu(x) (x) |
| #define __le32_to_cpu(x) (x) |
| #define __le64_to_cpu(x) (x) |
| #define __cpu_to_le16(x) (x) |
| #define __cpu_to_le32(x) (x) |
| #define __cpu_to_le64(x) (x) |
| #else |
| #define __le16_to_cpu(x) fio_swap16(x) |
| #define __le32_to_cpu(x) fio_swap32(x) |
| #define __le64_to_cpu(x) fio_swap64(x) |
| #define __cpu_to_le16(x) fio_swap16(x) |
| #define __cpu_to_le32(x) fio_swap32(x) |
| #define __cpu_to_le64(x) fio_swap64(x) |
| #endif |
| #endif /* FIO_HAVE_BYTEORDER_FUNCS */ |
| |
| #define le16_to_cpu(val) ({ \ |
| uint16_t *__val = &(val); \ |
| __le16_to_cpu(*__val); \ |
| }) |
| #define le32_to_cpu(val) ({ \ |
| uint32_t *__val = &(val); \ |
| __le32_to_cpu(*__val); \ |
| }) |
| #define le64_to_cpu(val) ({ \ |
| uint64_t *__val = &(val); \ |
| __le64_to_cpu(*__val); \ |
| }) |
| #define cpu_to_le16(val) ({ \ |
| uint16_t *__val = &(val); \ |
| __cpu_to_le16(*__val); \ |
| }) |
| #define cpu_to_le32(val) ({ \ |
| uint32_t *__val = &(val); \ |
| __cpu_to_le32(*__val); \ |
| }) |
| #define cpu_to_le64(val) ({ \ |
| uint64_t *__val = &(val); \ |
| __cpu_to_le64(*__val); \ |
| }) |
| |
| #ifndef FIO_HAVE_BLKTRACE |
| static inline int is_blktrace(const char *fname) |
| { |
| return 0; |
| } |
| struct thread_data; |
| static inline int load_blktrace(struct thread_data *td, const char *fname) |
| { |
| return 1; |
| } |
| #endif |
| |
| #define FIO_DEF_CL_SIZE 128 |
| |
| static inline int os_cache_line_size(void) |
| { |
| #ifdef FIO_HAVE_CL_SIZE |
| int ret = arch_cache_line_size(); |
| |
| if (ret <= 0) |
| return FIO_DEF_CL_SIZE; |
| |
| return ret; |
| #else |
| return FIO_DEF_CL_SIZE; |
| #endif |
| } |
| |
| #ifdef FIO_USE_GENERIC_BDEV_SIZE |
| static inline int blockdev_size(struct fio_file *f, unsigned long long *bytes) |
| { |
| off_t end; |
| |
| *bytes = 0; |
| |
| end = lseek(f->fd, 0, SEEK_END); |
| if (end < 0) |
| return errno; |
| |
| *bytes = end; |
| return 0; |
| } |
| #endif |
| |
| #ifdef FIO_USE_GENERIC_RAND |
| typedef unsigned int os_random_state_t; |
| |
| static inline void os_random_seed(unsigned long seed, os_random_state_t *rs) |
| { |
| srand(seed); |
| } |
| |
| static inline long os_random_long(os_random_state_t *rs) |
| { |
| long val; |
| |
| val = rand_r(rs); |
| return val; |
| } |
| #endif |
| |
| #ifdef FIO_USE_GENERIC_INIT_RANDOM_STATE |
| extern void td_fill_rand_seeds(struct thread_data *td); |
| /* |
| * Initialize the various random states we need (random io, block size ranges, |
| * read/write mix, etc). |
| */ |
| static inline int init_random_state(struct thread_data *td, unsigned long *rand_seeds, int size) |
| { |
| int fd; |
| |
| fd = open("/dev/urandom", O_RDONLY); |
| if (fd == -1) { |
| return 1; |
| } |
| |
| if (read(fd, rand_seeds, size) < size) { |
| close(fd); |
| return 1; |
| } |
| |
| close(fd); |
| td_fill_rand_seeds(td); |
| return 0; |
| } |
| #endif |
| |
| #ifndef FIO_HAVE_FS_STAT |
| static inline unsigned long long get_fs_size(const char *path) |
| { |
| return 0; |
| } |
| #endif |
| |
| #ifndef FIO_HAVE_CPU_ONLINE_SYSCONF |
| static inline unsigned int cpus_online(void) |
| { |
| return sysconf(_SC_NPROCESSORS_ONLN); |
| } |
| #endif |
| |
| #ifndef FIO_HAVE_GETTID |
| static inline int gettid(void) |
| { |
| return getpid(); |
| } |
| #endif |
| |
| #endif |