#ifndef FIO_OS_LINUX_H
#define FIO_OS_LINUX_H
+#ifdef __ANDROID__
+#define FIO_OS os_android
+#else
#define FIO_OS os_linux
+#endif
#include <sys/ioctl.h>
#include <sys/uio.h>
#include <errno.h>
#include <sched.h>
#include <linux/unistd.h>
-#include <linux/raw.h>
#include <linux/major.h>
+#include <linux/fs.h>
+#include <scsi/sg.h>
+#include <asm/byteorder.h>
+#ifdef __ANDROID__
+#include "os-ashmem.h"
+#define FIO_NO_HAVE_SHM_H
+#endif
+
+#ifdef ARCH_HAVE_CRC_CRYPTO
+#include <sys/auxv.h>
+#ifndef HWCAP_PMULL
+#define HWCAP_PMULL (1 << 4)
+#endif /* HWCAP_PMULL */
+#ifndef HWCAP_CRC32
+#define HWCAP_CRC32 (1 << 7)
+#endif /* HWCAP_CRC32 */
+#endif /* ARCH_HAVE_CRC_CRYPTO */
#include "./os-linux-syscall.h"
-#include "binject.h"
#include "../file.h"
#ifndef __has_builtin // Optional of course.
#define FIO_HAVE_IOSCHED_SWITCH
#define FIO_HAVE_ODIRECT
#define FIO_HAVE_HUGETLB
-#define FIO_HAVE_RAWBIND
#define FIO_HAVE_BLKTRACE
#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_BYTEORDER_FUNCS
#define FIO_HAVE_PWRITEV2
#define FIO_HAVE_SHM_ATTACH_REMOVED
#define OS_MAP_ANON MAP_ANONYMOUS
-typedef cpu_set_t os_cpu_mask_t;
+#define FIO_EXT_ENG_DIR "/usr/local/lib/fio"
-typedef struct drand48_data os_random_state_t;
+typedef cpu_set_t os_cpu_mask_t;
#ifdef CONFIG_3ARG_AFFINITY
#define fio_setaffinity(pid, cpumask) \
sched_getaffinity((pid), (ptr))
#endif
-#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))
+#ifdef CONFIG_PTHREAD_GETAFFINITY
+#define FIO_HAVE_GET_THREAD_AFFINITY
+#define fio_get_thread_affinity(mask) \
+ pthread_getaffinity_np(pthread_self(), sizeof(mask), &(mask))
+#endif
+
+#define fio_cpu_clear(mask, cpu) CPU_CLR((cpu), (mask))
+#define fio_cpu_set(mask, cpu) CPU_SET((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)
#define IOPRIO_MIN_PRIO_CLASS 0
#define IOPRIO_MAX_PRIO_CLASS 3
-static inline int ioprio_set(int which, int who, int ioprio_class, int ioprio)
+static inline int ioprio_value(int ioprio_class, int ioprio)
{
/*
* If no class is set, assume BE
*/
- if (!ioprio_class)
- ioprio_class = IOPRIO_CLASS_BE;
+ if (!ioprio_class)
+ ioprio_class = IOPRIO_CLASS_BE;
+
+ return (ioprio_class << IOPRIO_CLASS_SHIFT) | ioprio;
+}
+
+static inline bool ioprio_value_is_class_rt(unsigned int priority)
+{
+ return (priority >> IOPRIO_CLASS_SHIFT) == IOPRIO_CLASS_RT;
+}
- ioprio |= ioprio_class << IOPRIO_CLASS_SHIFT;
- return syscall(__NR_ioprio_set, which, who, ioprio);
+static inline int ioprio_set(int which, int who, int ioprio_class, int ioprio)
+{
+ return syscall(__NR_ioprio_set, which, who,
+ ioprio_value(ioprio_class, ioprio));
}
+#ifndef CONFIG_HAVE_GETTID
static inline int gettid(void)
{
return syscall(__NR_gettid);
}
+#endif
#define SPLICE_DEF_SIZE (64*1024)
return (unsigned long long) pages * (unsigned long long) pagesize;
}
-static inline void os_random_seed(unsigned long seed, os_random_state_t *rs)
-{
- srand48_r(seed, rs);
-}
-
-static inline long os_random_long(os_random_state_t *rs)
-{
- long val;
-
- lrand48_r(rs, &val);
- return val;
-}
-
-static inline int fio_lookup_raw(dev_t dev, int *majdev, int *mindev)
-{
- struct raw_config_request rq;
- int fd;
-
- if (major(dev) != RAW_MAJOR)
- return 1;
-
- /*
- * we should be able to find /dev/rawctl or /dev/raw/rawctl
- */
- fd = open("/dev/rawctl", O_RDONLY);
- if (fd < 0) {
- fd = open("/dev/raw/rawctl", O_RDONLY);
- if (fd < 0)
- return 1;
- }
-
- rq.raw_minor = minor(dev);
- if (ioctl(fd, RAW_GETBIND, &rq) < 0) {
- close(fd);
- return 1;
- }
-
- close(fd);
- *majdev = rq.block_major;
- *mindev = rq.block_minor;
- return 0;
-}
-
#ifdef O_NOATIME
#define FIO_O_NOATIME O_NOATIME
#else
#define FIO_O_NOATIME 0
#endif
-#ifdef O_ATOMIC
-#define OS_O_ATOMIC O_ATOMIC
-#else
-#define OS_O_ATOMIC 040000000
-#endif
-
#ifdef MADV_REMOVE
#define FIO_MADV_FREE MADV_REMOVE
#endif
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];
range[0] = start;
range[1] = len;
- if (!ioctl(fd, BLKDISCARD, range))
+ if (!ioctl(f->fd, BLKDISCARD, range))
return 0;
return errno;
}
#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
+
+#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_STREAMID
+#define FIO_HAVE_WRITE_HINT
#ifndef RWF_HIPRI
#define RWF_HIPRI 0x00000001
#ifndef RWF_SYNC
#define RWF_SYNC 0x00000004
#endif
+#ifndef RWF_NOWAIT
+#define RWF_NOWAIT 0x00000008
+#endif
+
+#ifndef RWF_UNCACHED
+#define RWF_UNCACHED 0x00000040
+#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)
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, offset, 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_PMULL | HWCAP_CRC32)) ==
+ (HWCAP_PMULL | HWCAP_CRC32);
+ break;
+#endif
+ default:
+ have_feature = false;
+ }
+
+ return have_feature;
+}
+
#endif