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) || ((int)hDevice == -1))
{
throw new Exception("CreateFile faild.");
}
if (DeviceIoControl(hDevice, DFP_GET_VERSION, IntPtr.Zero, 0, ref vers,
(uint)Marshal.SizeOf(vers), ref bytesReturned, IntPtr.Zero) == 0)
{
CloseHandle(hDevice);
throw new Exception(string.Format("Drive {0} may not exists.", driveIndex + 1));
}
// If IDE identify command not supported, fails
if ((vers.fCapabilities & 1) == 0)
{
CloseHandle(hDevice);
throw new Exception("Error: IDE identify command not supported.");
}
// Identify the IDE drives
if ((driveIndex & 1) != 0)
{
inParam.irDriveRegs.bDriveHeadReg = 0xb0;
}
else
{
inParam.irDriveRegs.bDriveHeadReg = 0xa0;
}
if ((vers.fCapabilities & (16 >> driveIndex)) != 0)
{
// 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));
}
else
{
inParam.irDriveRegs.bCommandReg = 0xec;
}
inParam.bDriveNumber = driveIndex;
inParam.irDriveRegs.bSectorCountReg = 1;
inParam.irDriveRegs.bSectorNumberReg = 1;
inParam.cBufferSize = 512;
if (DeviceIoControl(hDevice, DFP_RECEIVE_DRIVE_DATA, ref inParam,
(uint)Marshal.SizeOf(inParam), ref outParam, (uint)Marshal.SizeOf(outParam),
ref bytesReturned, IntPtr.Zero) == 0)
{
CloseHandle(hDevice);
throw new Exception("DeviceIoControl failed: DFP_RECEIVE_DRIVE_DATA");
}
CloseHandle(hDevice);
return(GetHardDiskInfo(outParam.bBuffer));
}
static extern int DeviceIoControl(IntPtr hDevice, uint dwIoControlCode, ref SendCmdInParams lpInBuffer, uint nInBufferSize, ref SendCmdOutParams lpOutBuffer, uint nOutBufferSize, ref uint lpBytesReturned, [Out] IntPtr lpOverlapped);