private static extern int DeviceIoControl(IntPtr hDevice,
uint dwIoControlCode,
IntPtr lpInBuffer,
uint nInBufferSize,
ref GetVersionOutParams lpOutBuffer,
uint nOutBufferSize,
ref uint lPBytesReturned,
[Out] IntPtr lpOverlapped);
private static HardDiskInfo GetHddInfoNT(byte driveIndex)
{
GetVersionOutParams vers = new GetVersionOutParams();
SendCmdInParams inParam = new SendCmdInParams();
SendCmdOutParams outParam = new SendCmdOutParams();
uint bytesReturned = 0;
// We start in NT/Win2000
IntPtr hDevice = CreateFile(string.Format(@"\\.\PhysicalDrive{0}", driveIndex),
GENERIC_READ | GENERIC_WRITE,
FILE_SHARE_READ | FILE_SHARE_WRITE,
IntPtr.Zero,
OPEN_EXISTING,
0,
IntPtr.Zero);
if (hDevice == IntPtr.Zero)
{
throw new Exception("CreateFile faild.");
}
if (0 == DeviceIoControl(
hDevice,
DFP_GET_VERSION,
IntPtr.Zero,
0,
ref vers,
(uint)Marshal.SizeOf(vers),
ref bytesReturned,
IntPtr.Zero))
{
CloseHandle(hDevice);
throw new Exception(string.Format("Drive {0} may not exists.", driveIndex + 1));
}
// If IDE identify command not supported, fails
if (0 == (vers.fCapabilities & 1))
{
CloseHandle(hDevice);
throw new Exception("Error: IDE identify command not supported.");
}
// Identify the IDE drives
if (0 != (driveIndex & 1))
{
inParam.irDriveRegs.bDriveHeadReg = 0xb0;
}
else
{
inParam.irDriveRegs.bDriveHeadReg = 0xa0;
}
if (0 != (vers.fCapabilities & (16 >> driveIndex)))
{
// We don''t detect a ATAPI device.
CloseHandle(hDevice);
throw new Exception(string.Format("Drive {0} is a ATAPI device, we don''t detect it.", driveIndex + 1));
}
inParam.irDriveRegs.bCommandReg = 0xec;
inParam.bDriveNumber = driveIndex;
inParam.irDriveRegs.bSectorCountReg = 1;
inParam.irDriveRegs.bSectorNumberReg = 1;
inParam.cBufferSize = 512;
if (0 == DeviceIoControl(hDevice,
DFP_RECEIVE_DRIVE_DATA,
ref inParam,
(uint)Marshal.SizeOf(inParam),
ref outParam,
(uint)Marshal.SizeOf(outParam),
ref bytesReturned,
IntPtr.Zero))
{
CloseHandle(hDevice);
throw new Exception("DeviceIoControl failed: DFP_RECEIVE_DRIVE_DATA");
}
CloseHandle(hDevice);
return(GetHardDiskInfo(outParam.bBuffer));
}
private static HardDiskInfo GetHddInfo9x(byte driveIndex)
{
GetVersionOutParams vers = new GetVersionOutParams();
SendCmdInParams inParam = new SendCmdInParams();
SendCmdOutParams outParam = new SendCmdOutParams();
uint bytesReturned = 0;
IntPtr hDevice = CreateFile(@"\\.\Smartvsd",
0,
0,
IntPtr.Zero,
CREATE_NEW,
0,
IntPtr.Zero);
if (hDevice == IntPtr.Zero)
{
throw new Exception("Open smartvsd.vxd failed.");
}
if (0 == DeviceIoControl(hDevice,
DFP_GET_VERSION,
IntPtr.Zero,
0,
ref vers,
(uint)Marshal.SizeOf(vers),
ref bytesReturned,
IntPtr.Zero))
{
CloseHandle(hDevice);
throw new Exception("DeviceIoControl failed:DFP_GET_VERSION");
}
// If IDE identify command not supported, fails
if (0 == (vers.fCapabilities & 1))
{
CloseHandle(hDevice);
throw new Exception("Error: IDE identify command not supported.");
}
if (0 != (driveIndex & 1))
{
inParam.irDriveRegs.bDriveHeadReg = 0xb0;
}
else
{
inParam.irDriveRegs.bDriveHeadReg = 0xa0;
}
if (0 != (vers.fCapabilities & (16 >> driveIndex)))
{
// We don''t detect a ATAPI device.
CloseHandle(hDevice);
throw new Exception(string.Format("Drive {0} is a ATAPI device, we don''t detect it", driveIndex + 1));
}
inParam.irDriveRegs.bCommandReg = 0xec;
inParam.bDriveNumber = driveIndex;
inParam.irDriveRegs.bSectorCountReg = 1;
inParam.irDriveRegs.bSectorNumberReg = 1;
inParam.cBufferSize = 512;
if (0 == DeviceIoControl(hDevice,
DFP_RECEIVE_DRIVE_DATA,
ref inParam,
(uint)Marshal.SizeOf(inParam),
ref outParam,
(uint)Marshal.SizeOf(outParam),
ref bytesReturned,
IntPtr.Zero))
{
CloseHandle(hDevice);
throw new Exception("DeviceIoControl failed: DFP_RECEIVE_DRIVE_DATA");
}
CloseHandle(hDevice);
return(GetHardDiskInfo(outParam.bBuffer));
}
