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#ifndef FIO_OS_WINDOWS_H
#define FIO_OS_WINDOWS_H
#include <sys/types.h>
#include <errno.h>
#include <windows.h>
#include "../smalloc.h"
#include "../file.h"
#include "../log.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
#define OS_MAP_ANON MAP_ANON
#define OS_CLOCK CLOCK_REALTIME
typedef off_t off64_t;
typedef struct {
LARGE_INTEGER Length;
} GET_LENGTH_INFORMATION;
#define IOCTL_DISK_GET_LENGTH_INFO 0x7405C
static inline int blockdev_size(struct fio_file *f, unsigned long long *bytes)
{
int rc = 0;
HANDLE hFile;
if (f->hFile == NULL) {
hFile = CreateFile(f->file_name, (GENERIC_READ | GENERIC_WRITE),
(FILE_SHARE_READ | FILE_SHARE_WRITE), NULL, OPEN_EXISTING, 0, NULL);
} else {
hFile = f->hFile;
}
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;
/* If we were passed a POSIX fd,
* close the HANDLE we created via CreateFile */
if (hFile != INVALID_HANDLE_VALUE && f->hFile == NULL)
CloseHandle(hFile);
return rc;
}
static inline int chardev_size(struct fio_file *f, unsigned long long *bytes)
{
return blockdev_size(f, bytes);
}
static inline int blockdev_invalidate_cache(struct fio_file *f)
{
/* There's no way to invalidate the cache in Windows
* so just pretend to succeed */
return 0;
}
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 */
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