396 lines
7.1 KiB
C
396 lines
7.1 KiB
C
#ifndef FIO_OS_H
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#define FIO_OS_H
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <fcntl.h>
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#include <pthread.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include "../arch/arch.h"
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#include "../lib/types.h"
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enum {
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os_linux = 1,
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os_aix,
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os_freebsd,
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os_hpux,
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os_mac,
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os_netbsd,
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os_openbsd,
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os_solaris,
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os_windows,
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os_android,
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os_dragonfly,
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os_nr,
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};
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#if defined(__ANDROID__)
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#include "os-android.h"
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#elif defined(__linux__)
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#include "os-linux.h"
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#elif defined(__FreeBSD__)
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#include "os-freebsd.h"
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#elif defined(__OpenBSD__)
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#include "os-openbsd.h"
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#elif defined(__NetBSD__)
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#include "os-netbsd.h"
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#elif defined(__sun__)
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#include "os-solaris.h"
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#elif defined(__APPLE__)
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#include "os-mac.h"
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#elif defined(_AIX)
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#include "os-aix.h"
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#elif defined(__hpux)
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#include "os-hpux.h"
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#elif defined(WIN32)
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#include "os-windows.h"
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#elif defined (__DragonFly__)
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#include "os-dragonfly.h"
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#else
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#error "unsupported os"
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#endif
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#ifdef CONFIG_POSIXAIO
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#include <aio.h>
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#ifndef FIO_OS_HAVE_AIOCB_TYPEDEF
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typedef struct aiocb os_aiocb_t;
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#endif
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#endif
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#ifdef FIO_HAVE_SGIO
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#include <linux/fs.h>
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#include <scsi/sg.h>
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#endif
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#ifndef CONFIG_STRSEP
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#include "../oslib/strsep.h"
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#endif
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#ifndef CONFIG_STRLCAT
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#include "../oslib/strlcat.h"
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#endif
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#ifdef MSG_DONTWAIT
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#define OS_MSG_DONTWAIT MSG_DONTWAIT
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#endif
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#ifndef POSIX_FADV_DONTNEED
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#define POSIX_FADV_DONTNEED (0)
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#define POSIX_FADV_SEQUENTIAL (0)
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#define POSIX_FADV_RANDOM (0)
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#define POSIX_FADV_NORMAL (0)
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#endif
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#ifndef FIO_HAVE_CPU_AFFINITY
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#define fio_cpu_clear(mask, cpu) do { } while (0)
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typedef unsigned long os_cpu_mask_t;
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static inline int fio_setaffinity(int pid, os_cpu_mask_t cpumask)
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{
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return 0;
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}
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static inline int fio_getaffinity(int pid, os_cpu_mask_t *cpumask)
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{
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return -1;
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}
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static inline int fio_cpuset_exit(os_cpu_mask_t *mask)
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{
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return -1;
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}
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static inline int fio_cpus_split(os_cpu_mask_t *mask, unsigned int cpu_index)
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{
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return 0;
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}
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#else
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extern int fio_cpus_split(os_cpu_mask_t *mask, unsigned int cpu);
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#endif
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#ifndef FIO_HAVE_IOPRIO
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#define ioprio_set(which, who, prioclass, prio) (0)
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#endif
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#ifndef FIO_HAVE_ODIRECT
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#define OS_O_DIRECT 0
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#else
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#define OS_O_DIRECT O_DIRECT
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#endif
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#ifdef OS_O_ATOMIC
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#define FIO_O_ATOMIC OS_O_ATOMIC
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#else
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#define FIO_O_ATOMIC 0
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#endif
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#ifndef FIO_HAVE_HUGETLB
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#define SHM_HUGETLB 0
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#define MAP_HUGETLB 0
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#ifndef FIO_HUGE_PAGE
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#define FIO_HUGE_PAGE 0
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#endif
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#else
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#ifndef FIO_HUGE_PAGE
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#define FIO_HUGE_PAGE 4194304
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#endif
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#endif
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#ifndef FIO_HAVE_MMAP_HUGE
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#define MAP_HUGETLB 0
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#endif
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#ifndef FIO_O_NOATIME
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#define FIO_O_NOATIME 0
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#endif
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#ifndef OS_RAND_MAX
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#define OS_RAND_MAX RAND_MAX
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#endif
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#ifndef FIO_HAVE_RAWBIND
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#define fio_lookup_raw(dev, majdev, mindev) 1
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#endif
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#ifndef FIO_PREFERRED_ENGINE
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#define FIO_PREFERRED_ENGINE "psync"
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#endif
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#ifndef FIO_OS_PATH_SEPARATOR
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#define FIO_OS_PATH_SEPARATOR "/"
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#endif
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#ifndef FIO_PREFERRED_CLOCK_SOURCE
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#ifdef CONFIG_CLOCK_GETTIME
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#define FIO_PREFERRED_CLOCK_SOURCE CS_CGETTIME
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#else
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#define FIO_PREFERRED_CLOCK_SOURCE CS_GTOD
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#endif
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#endif
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#ifndef FIO_MAX_JOBS
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#define FIO_MAX_JOBS 4096
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#endif
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#ifndef CONFIG_SOCKLEN_T
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typedef unsigned int socklen_t;
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#endif
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#ifndef FIO_OS_HAS_CTIME_R
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#define os_ctime_r(x, y, z) (void) ctime_r((x), (y))
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#endif
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#ifdef FIO_USE_GENERIC_SWAP
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static inline uint16_t fio_swap16(uint16_t val)
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{
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return (val << 8) | (val >> 8);
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}
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static inline uint32_t fio_swap32(uint32_t val)
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{
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val = ((val & 0xff00ff00UL) >> 8) | ((val & 0x00ff00ffUL) << 8);
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return (val >> 16) | (val << 16);
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}
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static inline uint64_t fio_swap64(uint64_t val)
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{
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val = ((val & 0xff00ff00ff00ff00ULL) >> 8) |
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((val & 0x00ff00ff00ff00ffULL) << 8);
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val = ((val & 0xffff0000ffff0000ULL) >> 16) |
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((val & 0x0000ffff0000ffffULL) << 16);
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return (val >> 32) | (val << 32);
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}
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#endif
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#ifndef FIO_HAVE_BYTEORDER_FUNCS
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#ifdef CONFIG_LITTLE_ENDIAN
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#define __le16_to_cpu(x) (x)
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#define __le32_to_cpu(x) (x)
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#define __le64_to_cpu(x) (x)
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#define __cpu_to_le16(x) (x)
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#define __cpu_to_le32(x) (x)
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#define __cpu_to_le64(x) (x)
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#else
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#define __le16_to_cpu(x) fio_swap16(x)
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#define __le32_to_cpu(x) fio_swap32(x)
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#define __le64_to_cpu(x) fio_swap64(x)
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#define __cpu_to_le16(x) fio_swap16(x)
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#define __cpu_to_le32(x) fio_swap32(x)
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#define __cpu_to_le64(x) fio_swap64(x)
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#endif
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#endif /* FIO_HAVE_BYTEORDER_FUNCS */
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#ifdef FIO_INTERNAL
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#define le16_to_cpu(val) ({ \
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typecheck(uint16_t, val); \
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__le16_to_cpu(val); \
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})
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#define le32_to_cpu(val) ({ \
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typecheck(uint32_t, val); \
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__le32_to_cpu(val); \
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})
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#define le64_to_cpu(val) ({ \
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typecheck(uint64_t, val); \
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__le64_to_cpu(val); \
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})
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#endif
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#define cpu_to_le16(val) ({ \
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typecheck(uint16_t, val); \
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__cpu_to_le16(val); \
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})
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#define cpu_to_le32(val) ({ \
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typecheck(uint32_t, val); \
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__cpu_to_le32(val); \
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})
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#define cpu_to_le64(val) ({ \
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typecheck(uint64_t, val); \
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__cpu_to_le64(val); \
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})
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#ifndef FIO_HAVE_BLKTRACE
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static inline int is_blktrace(const char *fname, int *need_swap)
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{
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return 0;
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}
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struct thread_data;
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static inline int load_blktrace(struct thread_data *td, const char *fname,
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int need_swap)
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{
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return 1;
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}
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#endif
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#define FIO_DEF_CL_SIZE 128
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static inline int os_cache_line_size(void)
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{
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#ifdef FIO_HAVE_CL_SIZE
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int ret = arch_cache_line_size();
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if (ret <= 0)
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return FIO_DEF_CL_SIZE;
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return ret;
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#else
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return FIO_DEF_CL_SIZE;
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#endif
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}
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#ifdef FIO_USE_GENERIC_BDEV_SIZE
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static inline int blockdev_size(struct fio_file *f, unsigned long long *bytes)
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{
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off_t end;
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*bytes = 0;
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end = lseek(f->fd, 0, SEEK_END);
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if (end < 0)
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return errno;
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*bytes = end;
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return 0;
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}
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#endif
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#ifdef FIO_USE_GENERIC_RAND
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typedef unsigned int os_random_state_t;
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static inline void os_random_seed(unsigned long seed, os_random_state_t *rs)
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{
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srand(seed);
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}
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static inline long os_random_long(os_random_state_t *rs)
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{
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long val;
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val = rand_r(rs);
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return val;
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}
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#endif
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#ifdef FIO_USE_GENERIC_INIT_RANDOM_STATE
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extern void td_fill_rand_seeds(struct thread_data *td);
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/*
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* Initialize the various random states we need (random io, block size ranges,
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* read/write mix, etc).
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*/
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static inline int init_random_state(struct thread_data *td, unsigned long *rand_seeds, int size)
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{
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int fd;
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fd = open("/dev/urandom", O_RDONLY);
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if (fd == -1) {
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return 1;
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}
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if (read(fd, rand_seeds, size) < size) {
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close(fd);
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return 1;
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}
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close(fd);
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td_fill_rand_seeds(td);
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return 0;
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}
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#endif
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#ifndef FIO_HAVE_FS_STAT
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static inline unsigned long long get_fs_free_size(const char *path)
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{
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return 0;
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}
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#endif
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#ifdef __powerpc64__
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#define FIO_HAVE_CPU_ONLINE_SYSCONF
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static inline unsigned int cpus_online(void)
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{
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return sysconf(_SC_NPROCESSORS_CONF);
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}
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#endif
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#ifndef FIO_HAVE_CPU_ONLINE_SYSCONF
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static inline unsigned int cpus_online(void)
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{
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return sysconf(_SC_NPROCESSORS_ONLN);
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}
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#endif
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#ifndef CPU_COUNT
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#ifdef FIO_HAVE_CPU_AFFINITY
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static inline int CPU_COUNT(os_cpu_mask_t *mask)
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{
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int max_cpus = cpus_online();
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int nr_cpus, i;
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for (i = 0, nr_cpus = 0; i < max_cpus; i++)
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if (fio_cpu_isset(mask, i))
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nr_cpus++;
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return nr_cpus;
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}
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#endif
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#endif
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#ifndef FIO_HAVE_GETTID
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static inline int gettid(void)
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{
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return getpid();
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}
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#endif
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#ifndef FIO_HAVE_SHM_ATTACH_REMOVED
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static inline int shm_attach_to_open_removed(void)
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{
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return 0;
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}
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#endif
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#endif
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