X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=os%2Fos-linux.h;h=a550bba6e1b3d785d554564258840874c93e8104;hp=a410497c25bf4636a42be935323d536b17bf1c72;hb=757be0e0a61bb20dc1b76f0b222ec700ee7e22c8;hpb=1767bd34cdc1a7607a8460b8173d08d7954adf99 diff --git a/os/os-linux.h b/os/os-linux.h index a410497c..a550bba6 100644 --- a/os/os-linux.h +++ b/os/os-linux.h @@ -16,29 +16,41 @@ #include #include #include -#include +#include +#include + +#ifdef ARCH_HAVE_CRC_CRYPTO +#include +#ifndef HWCAP_CRC32 +#define HWCAP_CRC32 (1 << 7) +#endif /* HWCAP_CRC32 */ +#endif /* ARCH_HAVE_CRC_CRYPTO */ -#include "binject.h" +#include "./os-linux-syscall.h" #include "../file.h" +#ifndef __has_builtin // Optional of course. + #define __has_builtin(x) 0 // Compatibility with non-clang compilers. +#endif + #define FIO_HAVE_CPU_AFFINITY #define FIO_HAVE_DISK_UTIL #define FIO_HAVE_SGIO #define FIO_HAVE_IOPRIO +#define FIO_HAVE_IOPRIO_CLASS #define FIO_HAVE_IOSCHED_SWITCH #define FIO_HAVE_ODIRECT #define FIO_HAVE_HUGETLB #define FIO_HAVE_RAWBIND #define FIO_HAVE_BLKTRACE -#define FIO_HAVE_PSHARED_MUTEX #define FIO_HAVE_CL_SIZE #define FIO_HAVE_CGROUPS #define FIO_HAVE_FS_STAT #define FIO_HAVE_TRIM -#define FIO_HAVE_BINJECT #define FIO_HAVE_GETTID #define FIO_USE_GENERIC_INIT_RANDOM_STATE #define FIO_HAVE_PWRITEV2 +#define FIO_HAVE_SHM_ATTACH_REMOVED #ifdef MAP_HUGETLB #define FIO_HAVE_MMAP_HUGE @@ -64,7 +76,7 @@ typedef struct drand48_data os_random_state_t; #define fio_cpu_clear(mask, cpu) (void) CPU_CLR((cpu), (mask)) #define fio_cpu_set(mask, cpu) (void) CPU_SET((cpu), (mask)) -#define fio_cpu_isset(mask, cpu) CPU_ISSET((cpu), (mask)) +#define fio_cpu_isset(mask, cpu) (CPU_ISSET((cpu), (mask)) != 0) #define fio_cpu_count(mask) CPU_COUNT((mask)) static inline int fio_cpuset_init(os_cpu_mask_t *mask) @@ -217,21 +229,19 @@ static inline int fio_lookup_raw(dev_t dev, int *majdev, int *mindev) #define FIO_MADV_FREE MADV_REMOVE #endif -#if defined(__builtin_bswap16) +/* Check for GCC or Clang byte swap intrinsics */ +#if (__has_builtin(__builtin_bswap16) && __has_builtin(__builtin_bswap32) \ + && __has_builtin(__builtin_bswap64)) || (__GNUC__ > 4 \ + || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8)) /* fio_swapN */ #define fio_swap16(x) __builtin_bswap16(x) -#else -#define fio_swap16(x) __bswap_16(x) -#endif -#if defined(__builtin_bswap32) #define fio_swap32(x) __builtin_bswap32(x) -#else -#define fio_swap32(x) __bswap_32(x) -#endif -#if defined(__builtin_bswap64) #define fio_swap64(x) __builtin_bswap64(x) #else -#define fio_swap64(x) __bswap_64(x) -#endif +#include +#define fio_swap16(x) bswap_16(x) +#define fio_swap32(x) bswap_32(x) +#define fio_swap64(x) bswap_64(x) +#endif /* fio_swapN */ #define CACHE_LINE_FILE \ "/sys/devices/system/cpu/cpu0/cache/index0/coherency_line_size" @@ -255,6 +265,14 @@ static inline int arch_cache_line_size(void) return atoi(size); } +#ifdef __powerpc64__ +#define FIO_HAVE_CPU_ONLINE_SYSCONF +static inline unsigned int cpus_online(void) +{ + return sysconf(_SC_NPROCESSORS_CONF); +} +#endif + static inline unsigned long long get_fs_free_size(const char *path) { unsigned long long ret; @@ -268,7 +286,7 @@ static inline unsigned long long get_fs_free_size(const char *path) return ret; } -static inline int os_trim(int fd, unsigned long long start, +static inline int os_trim(struct fio_file *f, unsigned long long start, unsigned long long len) { uint64_t range[2]; @@ -276,7 +294,7 @@ static inline int os_trim(int fd, unsigned long long start, range[0] = start; range[1] = len; - if (!ioctl(fd, BLKDISCARD, range)) + if (!ioctl(f->fd, BLKDISCARD, range)) return 0; return errno; @@ -290,11 +308,26 @@ static inline int fio_set_sched_idle(void) } #endif -#ifndef POSIX_FADV_STREAMID -#define POSIX_FADV_STREAMID 8 +#ifndef F_GET_RW_HINT +#ifndef F_LINUX_SPECIFIC_BASE +#define F_LINUX_SPECIFIC_BASE 1024 +#endif +#define F_GET_RW_HINT (F_LINUX_SPECIFIC_BASE + 11) +#define F_SET_RW_HINT (F_LINUX_SPECIFIC_BASE + 12) +#define F_GET_FILE_RW_HINT (F_LINUX_SPECIFIC_BASE + 13) +#define F_SET_FILE_RW_HINT (F_LINUX_SPECIFIC_BASE + 14) #endif -#define FIO_HAVE_STREAMID +#ifndef RWH_WRITE_LIFE_NONE +#define RWH_WRITE_LIFE_NOT_SET 0 +#define RWH_WRITE_LIFE_NONE 1 +#define RWH_WRITE_LIFE_SHORT 2 +#define RWH_WRITE_LIFE_MEDIUM 3 +#define RWH_WRITE_LIFE_LONG 4 +#define RWH_WRITE_LIFE_EXTREME 5 +#endif + +#define FIO_HAVE_WRITE_HINT #ifndef RWF_HIPRI #define RWF_HIPRI 0x00000001 @@ -306,14 +339,26 @@ static inline int fio_set_sched_idle(void) #define RWF_SYNC 0x00000004 #endif +#ifndef RWF_WRITE_LIFE_SHIFT +#define RWF_WRITE_LIFE_SHIFT 4 +#define RWF_WRITE_LIFE_SHORT (1 << RWF_WRITE_LIFE_SHIFT) +#define RWF_WRITE_LIFE_MEDIUM (2 << RWF_WRITE_LIFE_SHIFT) +#define RWF_WRITE_LIFE_LONG (3 << RWF_WRITE_LIFE_SHIFT) +#define RWF_WRITE_LIFE_EXTREME (4 << RWF_WRITE_LIFE_SHIFT) +#endif + #ifndef CONFIG_PWRITEV2 #ifdef __NR_preadv2 static inline void make_pos_h_l(unsigned long *pos_h, unsigned long *pos_l, off_t offset) { +#if BITS_PER_LONG == 64 + *pos_l = offset; + *pos_h = 0; +#else *pos_l = offset & 0xffffffff; *pos_h = ((uint64_t) offset) >> 32; - +#endif } static inline ssize_t preadv2(int fd, const struct iovec *iov, int iovcnt, off_t offset, unsigned int flags) @@ -347,4 +392,47 @@ static inline ssize_t pwritev2(int fd, const struct iovec *iov, int iovcnt, #endif /* __NR_preadv2 */ #endif /* CONFIG_PWRITEV2 */ +static inline int shm_attach_to_open_removed(void) +{ + return 1; +} + +#ifdef CONFIG_LINUX_FALLOCATE +#define FIO_HAVE_NATIVE_FALLOCATE +static inline bool fio_fallocate(struct fio_file *f, uint64_t offset, + uint64_t len) +{ + int ret; + ret = fallocate(f->fd, 0, 0, len); + if (ret == 0) + return true; + + /* Work around buggy old glibc versions... */ + if (ret > 0) + errno = ret; + + return false; +} +#endif + +#define FIO_HAVE_CPU_HAS +static inline bool os_cpu_has(cpu_features feature) +{ + bool have_feature; + unsigned long fio_unused hwcap; + + switch (feature) { +#ifdef ARCH_HAVE_CRC_CRYPTO + case CPU_ARM64_CRC32C: + hwcap = getauxval(AT_HWCAP); + have_feature = (hwcap & HWCAP_CRC32) != 0; + break; +#endif + default: + have_feature = false; + } + + return have_feature; +} + #endif