Merge branch 'doc-Clarify_Runtime_Param' of https://github.com/horshack-dpreview/fio

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

diff --git a/os/os-linux.h b/os/os-linux.h
index 6b63d123956afa6f28f20b3e7ff32e583f652e99..7a78b42d4d1066d7fc274f78e7cfb444555b3765 100644 (file)
--- a/os/os-linux.h
+++ b/os/os-linux.h
@@ -1,7 +1,11 @@
 #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>
@@ -14,13 +18,20 @@
 #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 */
@@ -41,7 +52,6 @@
 #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
@@ -49,6 +59,7 @@
 #define FIO_HAVE_TRIM
 #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
 
@@ -58,9 +69,9 @@
 
 #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)          \
@@ -74,8 +85,14 @@ typedef struct drand48_data os_random_state_t;
        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))
+#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))
 
@@ -114,22 +131,34 @@ enum {
 #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;
+}
 
-       ioprio |= ioprio_class << IOPRIO_CLASS_SHIFT;
-       return syscall(__NR_ioprio_set, which, who, ioprio);
+static inline bool ioprio_value_is_class_rt(unsigned int priority)
+{
+       return (priority >> IOPRIO_CLASS_SHIFT) == IOPRIO_CLASS_RT;
 }
 
+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)
 
@@ -170,61 +199,12 @@ 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;
-       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
@@ -265,14 +245,6 @@ 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;
@@ -338,6 +310,13 @@ static inline int fio_set_sched_idle(void)
 #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
@@ -425,7 +404,8 @@ static inline bool os_cpu_has(cpu_features feature)
 #ifdef ARCH_HAVE_CRC_CRYPTO
        case CPU_ARM64_CRC32C:
                hwcap = getauxval(AT_HWCAP);
-               have_feature = (hwcap & HWCAP_CRC32) != 0;
+               have_feature = (hwcap & (HWCAP_PMULL | HWCAP_CRC32)) ==
+                              (HWCAP_PMULL | HWCAP_CRC32);
                break;
 #endif
        default: