blob: 8d2a6ae8cd0923a5b29b92bf23ba1052e7065a97 [file] [log] [blame]
#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_nr,
};
#if 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 FIO_HAVE_FADVISE
#define posix_fadvise(fd, off, len, advice) (0)
#ifndef POSIX_FADV_DONTNEED
#define POSIX_FADV_DONTNEED (0)
#define POSIX_FADV_SEQUENTIAL (0)
#define POSIX_FADV_RANDOM (0)
#endif
#endif /* FIO_HAVE_FADVISE */
#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
#ifndef FIO_HUGE_PAGE
#define FIO_HUGE_PAGE 0
#endif
#else
#ifndef FIO_HUGE_PAGE
#define FIO_HUGE_PAGE 4194304
#endif
#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_CGETTIME
#endif
#ifndef FIO_MAX_JOBS
#define FIO_MAX_JOBS 2048
#endif
#ifndef FIO_OS_HAVE_SOCKLEN_T
typedef socklen_t fio_socklen_t;
#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
#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
#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