#ifndef FIO_OS_H #define FIO_OS_H #include #include #include #include #include #include #include "../arch/arch.h" enum { os_linux = 1, os_aix, os_freebsd, os_hpux, os_mac, os_netbsd, os_openbsd, 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(__OpenBSD__) #include "os-openbsd.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 CONFIG_POSIXAIO #include #ifndef FIO_OS_HAVE_AIOCB_TYPEDEF typedef struct aiocb os_aiocb_t; #endif #endif #ifdef FIO_HAVE_SGIO #include #include #endif #ifndef CONFIG_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) #define fio_cpus_split(mask, cpu) (0) typedef unsigned long os_cpu_mask_t; #else extern int fio_cpus_split(os_cpu_mask_t *mask, unsigned int cpu); #endif #ifndef FIO_HAVE_IOPRIO #define ioprio_set(which, who, prioclass, prio) (0) #endif #ifndef FIO_HAVE_ODIRECT #define OS_O_DIRECT 0 #else #define OS_O_DIRECT O_DIRECT #endif #ifdef OS_O_ATOMIC #define FIO_O_ATOMIC OS_O_ATOMIC #else #define FIO_O_ATOMIC 0 #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 #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 #ifdef CONFIG_CLOCK_GETTIME #define FIO_PREFERRED_CLOCK_SOURCE CS_CGETTIME #else #define FIO_PREFERRED_CLOCK_SOURCE CS_GTOD #endif #endif #ifndef FIO_MAX_JOBS #define FIO_MAX_JOBS 2048 #endif #ifndef CONFIG_SOCKLEN_T typedef unsigned int socklen_t; #endif #ifndef FIO_OS_HAS_CTIME_R #define os_ctime_r(x, y, z) (void) 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 CONFIG_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 */ #ifdef FIO_INTERNAL #define le16_to_cpu(val) ({ \ typecheck(uint16_t, val); \ __le16_to_cpu(val); \ }) #define le32_to_cpu(val) ({ \ typecheck(uint32_t, val); \ __le32_to_cpu(val); \ }) #define le64_to_cpu(val) ({ \ typecheck(uint64_t, val); \ __le64_to_cpu(val); \ }) #endif #define cpu_to_le16(val) ({ \ typecheck(uint16_t, val); \ __cpu_to_le16(val); \ }) #define cpu_to_le32(val) ({ \ typecheck(uint32_t, val); \ __cpu_to_le32(val); \ }) #define cpu_to_le64(val) ({ \ typecheck(uint64_t, val); \ __cpu_to_le64(val); \ }) #ifndef FIO_HAVE_BLKTRACE static inline int is_blktrace(const char *fname, int *need_swap) { return 0; } struct thread_data; static inline int load_blktrace(struct thread_data *td, const char *fname, int need_swap) { 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 CPU_COUNT #ifdef FIO_HAVE_CPU_AFFINITY static inline int CPU_COUNT(os_cpu_mask_t *mask) { int max_cpus = cpus_online(); int nr_cpus, i; for (i = 0, nr_cpus = 0; i < max_cpus; i++) if (fio_cpu_isset(mask, i)) nr_cpus++; return nr_cpus; } #endif #endif #ifndef FIO_HAVE_GETTID static inline int gettid(void) { return getpid(); } #endif #endif