X-Git-Url: https://git.kernel.dk/?a=blobdiff_plain;f=os%2Fos.h;h=2eb38e87afda20dae2b52ebd65d1dfc146247e23;hb=53a7af851836;hp=b1ed1bb6953dfc563904a7f4f13496a0c669b87a;hpb=5921e80c5dfc9f96d2f21da6ae58f2b5d3a0b373;p=fio.git diff --git a/os/os.h b/os/os.h index b1ed1bb6..1a4437c9 100644 --- a/os/os.h +++ b/os/os.h @@ -1,50 +1,113 @@ #ifndef FIO_OS_H #define FIO_OS_H -#if defined(__linux__) +#include +#include +#include +#include +#include +#include + +#include "../arch/arch.h" +#include "../lib/types.h" + +enum { + os_linux = 1, + os_aix, + os_freebsd, + os_hpux, + os_mac, + os_netbsd, + os_openbsd, + os_solaris, + os_windows, + os_android, + os_dragonfly, + + 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" +#elif defined (__DragonFly__) +#include "os-dragonfly.h" #else #error "unsupported os" #endif -#ifdef FIO_HAVE_LIBAIO -#include -#endif - -#ifdef FIO_HAVE_POSIXAIO +#ifdef CONFIG_POSIXAIO #include +#ifndef FIO_OS_HAVE_AIOCB_TYPEDEF +typedef struct aiocb os_aiocb_t; +#endif #endif -#ifdef FIO_HAVE_SGIO -#include -#include +#ifndef CONFIG_STRSEP +#include "../oslib/strsep.h" #endif -#ifndef FIO_HAVE_STRSEP -#include "../lib/lib.h" +#ifndef CONFIG_STRLCAT +#include "../oslib/strlcat.h" #endif -#ifndef FIO_HAVE_FADVISE -#define fadvise(fd, off, len, advice) (0) +#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) +#define POSIX_FADV_NORMAL (0) #endif -#endif /* FIO_HAVE_FADVISE */ #ifndef FIO_HAVE_CPU_AFFINITY -#define fio_setaffinity(td) (0) -#define fio_getaffinity(pid, mask) do { } while(0) +#define fio_cpu_clear(mask, cpu) do { } while (0) +typedef unsigned long os_cpu_mask_t; + +static inline int fio_setaffinity(int pid, os_cpu_mask_t cpumask) +{ + return 0; +} + +static inline int fio_getaffinity(int pid, os_cpu_mask_t *cpumask) +{ + return -1; +} + +static inline int fio_cpuset_exit(os_cpu_mask_t *mask) +{ + return -1; +} + +static inline int fio_cpus_split(os_cpu_mask_t *mask, unsigned int cpu_index) +{ + return 0; +} +#else +extern int fio_cpus_split(os_cpu_mask_t *mask, unsigned int cpu); #endif #ifndef FIO_HAVE_IOPRIO -#define ioprio_set(which, who, prio) (0) +#define ioprio_set(which, who, prioclass, prio) (0) #endif #ifndef FIO_HAVE_ODIRECT @@ -53,8 +116,15 @@ #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 @@ -64,24 +134,255 @@ #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_HAVE_BLKTRACE -static inline int is_blktrace(const char *fname) +#ifndef FIO_PREFERRED_ENGINE +#define FIO_PREFERRED_ENGINE "psync" +#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 4096 +#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 __be64_to_cpu(x) fio_swap64(x) +#define __le16_to_cpu(x) (x) +#define __le32_to_cpu(x) (x) +#define __le64_to_cpu(x) (x) +#define __cpu_to_be64(x) fio_swap64(x) +#define __cpu_to_le16(x) (x) +#define __cpu_to_le32(x) (x) +#define __cpu_to_le64(x) (x) +#else +#define __be64_to_cpu(x) (x) +#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_be64(x) (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 be64_to_cpu(val) ({ \ + typecheck(uint64_t, val); \ + __be64_to_cpu(val); \ +}) +#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_be64(val) ({ \ + typecheck(uint64_t, val); \ + __cpu_to_be64(val); \ +}) +#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); \ +}) + +#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; } -struct thread_data; -static inline int load_blktrace(struct thread_data *td, const char *fname) +#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) { - return 1; + long val; + + val = rand_r(rs); + return val; } #endif +#ifdef FIO_USE_GENERIC_INIT_RANDOM_STATE +static inline int init_random_seeds(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); + return 0; +} +#endif + +#ifndef FIO_HAVE_FS_STAT +static inline unsigned long long get_fs_free_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 + +#ifndef FIO_HAVE_SHM_ATTACH_REMOVED +static inline int shm_attach_to_open_removed(void) +{ + return 0; +} +#endif + +#ifndef FIO_HAVE_NATIVE_FALLOCATE +static inline bool fio_fallocate(struct fio_file *f, uint64_t offset, uint64_t len) +{ + errno = ENOSYS; + return false; +} +#endif + +#if defined(CONFIG_POSIX_FALLOCATE) || defined(FIO_HAVE_NATIVE_FALLOCATE) +# define FIO_HAVE_ANY_FALLOCATE +#endif + #endif