configure: add gettid() test

[fio.git] / os / os-linux.h

diff --git a/os/os-linux.h b/os/os-linux.h
index 911f7e7c8710719d5c6d2d9b094efb096077f0c5..36339ef3e94250200c909e4fbad2fcf8dffcd7f4 100644 (file)
--- a/os/os-linux.h
+++ b/os/os-linux.h
@@ -16,9 +16,17 @@
 #include <linux/unistd.h>
 #include <linux/raw.h>
 #include <linux/major.h>
+#include <linux/fs.h>
+#include <scsi/sg.h>
+
+#ifdef ARCH_HAVE_CRC_CRYPTO
+#include <sys/auxv.h>
+#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.
@@ -39,7 +47,6 @@
 #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
@@ -53,8 +60,6 @@
 
 typedef cpu_set_t os_cpu_mask_t;
 
-typedef struct drand48_data os_random_state_t;
-
 #ifdef CONFIG_3ARG_AFFINITY
 #define fio_setaffinity(pid, cpumask)          \
        sched_setaffinity((pid), sizeof(cpumask), &(cpumask))
@@ -69,7 +74,7 @@ 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)
@@ -119,10 +124,12 @@ static inline int ioprio_set(int which, int who, int ioprio_class, int ioprio)
        return syscall(__NR_ioprio_set, which, who, ioprio);
 }
 
+#ifndef CONFIG_HAVE_GETTID
 static inline int gettid(void)
 {
        return syscall(__NR_gettid);
 }
+#endif
 
 #define SPLICE_DEF_SIZE        (64*1024)
 
@@ -163,19 +170,6 @@ static inline unsigned long long os_phys_mem(void)
        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;
@@ -258,6 +252,14 @@ 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;
@@ -271,7 +273,7 @@ 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];
@@ -279,7 +281,7 @@ 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;
@@ -293,11 +295,26 @@ 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
+
+#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
@@ -309,14 +326,26 @@ 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)
@@ -355,4 +384,42 @@ 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, 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_CRC32) != 0;
+               break;
+#endif
+       default:
+               have_feature = false;
+       }
+
+       return have_feature;
+}
+
 #endif