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authorBruce Cran <bruce@cran.org.uk>2011-01-02 20:14:54 +0100
committerJens Axboe <jaxboe@fusionio.com>2011-01-02 20:14:54 +0100
commit03e20d687566753b90383571e5e152c5142bdffd (patch)
tree062419c9a907354a95fe53e88b6ca3a143689d7e /os/os-windows.h
parent2d7760d1dbbc742a0699b959ffcd8742b9db9e2c (diff)
downloadfio-03e20d687566753b90383571e5e152c5142bdffd.tar.gz
fio-03e20d687566753b90383571e5e152c5142bdffd.tar.bz2
First snapshot of FIO for Windows
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
Diffstat (limited to 'os/os-windows.h')
-rw-r--r--os/os-windows.h104
1 files changed, 104 insertions, 0 deletions
diff --git a/os/os-windows.h b/os/os-windows.h
new file mode 100644
index 00000000..f5da6a5d
--- /dev/null
+++ b/os/os-windows.h
@@ -0,0 +1,104 @@
+#ifndef FIO_OS_WINDOWS_H
+#define FIO_OS_WINDOWS_H
+
+
+#include <sys/types.h>
+#include <errno.h>
+
+
+#define FIO_HAVE_ODIRECT
+#define FIO_USE_GENERIC_RAND
+#define FIO_HAVE_CHARDEV_SIZE
+#define FIO_USE_GENERIC_RAND
+
+#define FIO_HAVE_FALLOCATE
+#define FIO_HAVE_FDATASYNC
+#define FIO_HAVE_WINDOWSAIO
+
+/* TODO add support for FIO_HAVE_CPU_AFFINITY */
+
+#define OS_MAP_ANON MAP_ANON
+
+typedef off_t off64_t;
+
+
+#define FIO_NOTUNIX
+
+#include <windows.h>
+#include <io.h>
+
+typedef void* HANDLE;
+
+BOOL WINAPI GetFileSizeEx(
+ HANDLE hFile,
+ PLARGE_INTEGER lpFileSize
+);
+
+long _get_osfhandle(
+ int fd
+);
+
+typedef struct {
+ LARGE_INTEGER Length;
+} GET_LENGTH_INFORMATION;
+
+#define IOCTL_DISK_GET_LENGTH_INFO 0x7405C
+
+
+static inline int blockdev_size(int fd, unsigned long long *bytes)
+{
+ int rc = 0;
+ HANDLE hFile = (HANDLE)_get_osfhandle(fd);
+ if (hFile != INVALID_HANDLE_VALUE)
+ {
+ GET_LENGTH_INFORMATION info;
+ DWORD outBytes;
+ LARGE_INTEGER size;
+ size.QuadPart = 0;
+ if (DeviceIoControl(hFile, IOCTL_DISK_GET_LENGTH_INFO, NULL, 0, &info, sizeof(info), &outBytes, NULL))
+ *bytes = info.Length.QuadPart;
+ else
+ rc = EIO;
+ }
+
+ return 0;
+}
+
+static inline int chardev_size(int fd, unsigned long long *bytes)
+{
+ return blockdev_size(fd, bytes);
+}
+
+static inline int blockdev_invalidate_cache(int fd)
+{
+ int rc = 0;
+ HANDLE hFile = (HANDLE)_get_osfhandle(fd);
+
+ if (hFile != INVALID_HANDLE_VALUE)
+ FlushFileBuffers(hFile);
+ else
+ rc = EIO;
+
+ return rc;
+}
+
+static inline unsigned long long os_phys_mem(void)
+{
+ SYSTEM_INFO sysInfo;
+ unsigned long addr;
+ GetSystemInfo(&sysInfo);
+ addr = (unsigned long)sysInfo.lpMaximumApplicationAddress;
+ return addr;
+}
+
+static inline void os_get_tmpdir(char *path, int len)
+{
+ GetTempPath(len, path);
+}
+
+#ifdef MADV_FREE
+#define FIO_MADV_FREE MADV_FREE
+#endif
+
+
+#endif /* FIO_OS_WINDOWS_H */