Add FIO_PREFERRED_CLOCK_SOURCE to allow selection of clock source on a per-platform...

[fio.git] / os / os.h

diff --git a/os/os.h b/os/os.h
index 33baf73264e6e7b47b5213fd12ae3bc57f52a2b9..c10cb127a2126ab084162c4945eaba7ee7d52c41 100644 (file)
--- a/os/os.h
+++ b/os/os.h
@@ -2,10 +2,24 @@
 #define FIO_OS_H
 
 #include <sys/types.h>
+#include <sys/socket.h>
 #include <pthread.h>
 #include <unistd.h>
 #include <stdlib.h>
 
+enum {
+       os_linux = 1,
+       os_aix,
+       os_freebsd,
+       os_hpux,
+       os_mac,
+       os_netbsd,
+       os_solaris,
+       os_windows,
+
+       os_nr,
+};
+
 #if defined(__linux__)
 #include "os-linux.h"
 #elif defined(__FreeBSD__)
@@ -111,24 +125,36 @@ typedef unsigned long os_cpu_mask_t;
 #define FIO_PREFERRED_ENGINE   "sync"
 #endif
 
+#ifndef FIO_OS_PATH_SEPARATOR
+#define FIO_OS_PATH_SEPARATOR  "/"
+#endif
+
+#ifndef FIO_PREFERRED_CLOCK_SOURCE
+#define FIO_PREFERRED_CLOCK_SOURCE     CS_CGETTIME
+#endif
+
 #ifndef FIO_MAX_JOBS
 #define FIO_MAX_JOBS           2048
 #endif
 
-#if 0
-static inline uint16 fio_swap16(uint16_t val)
+#ifndef FIO_OS_HAVE_SOCKLEN_T
+typedef socklen_t fio_socklen_t;
+#endif
+
+#ifdef FIO_USE_GENERIC_SWAP
+static inline uint16_t fio_swap16(uint16_t val)
 {
        return (val << 8) | (val >> 8);
 }
 
-static inline uint32_t bswap_32(uint32_t val)
+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 bswap_64(uint64_t x)
+static inline uint64_t fio_swap64(uint64_t val)
 {
        val = ((val & 0xff00ff00ff00ff00ULL) >> 8) |
              ((val & 0x00ff00ff00ff00ffULL) << 8);
@@ -139,6 +165,47 @@ static inline uint64_t bswap_64(uint64_t x)
 }
 #endif
 
+#ifdef FIO_LITTLE_ENDIAN
+#define __le16_to_cpu(x)               (x)
+#define __le32_to_cpu(x)               (x)
+#define __le64_to_cpu(x)               (x)
+#define __cpu_to_le16(x)               (x)
+#define __cpu_to_le32(x)               (x)
+#define __cpu_to_le64(x)               (x)
+#else
+#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_le16(x)               fio_swap16(x)
+#define __cpu_to_le32(x)               fio_swap32(x)
+#define __cpu_to_le64(x)               fio_swap64(x)
+#endif
+
+#define le16_to_cpu(val) ({                    \
+       uint16_t *__val = &(val);               \
+       __le16_to_cpu(*__val);                  \
+})
+#define le32_to_cpu(val) ({                    \
+       uint32_t *__val = &(val);               \
+       __le32_to_cpu(*__val);                  \
+})
+#define le64_to_cpu(val) ({                    \
+       uint64_t *__val = &(val);               \
+       __le64_to_cpu(*__val);                  \
+})
+#define cpu_to_le16(val) ({                    \
+       uint16_t *__val = &(val);               \
+       __cpu_to_le16(*__val);                  \
+})
+#define cpu_to_le32(val) ({                    \
+       uint32_t *__val = &(val);               \
+       __cpu_to_le32(*__val);                  \
+})
+#define cpu_to_le64(val) ({                    \
+       uint64_t *__val = &(val);               \
+       __cpu_to_le64(*__val);                  \
+})
+
 #ifndef FIO_HAVE_BLKTRACE
 static inline int is_blktrace(const char *fname)
 {