// Token: 0x06000527 RID: 1319 RVA: 0x00052AFC File Offset: 0x00050CFC
private static HardDiskInfo GetHddInfo9x(byte driveIndex)
{
GetVersionOutParams getVersionOutParams = default(GetVersionOutParams);
SendCmdInParams sendCmdInParams = default(SendCmdInParams);
SendCmdOutParams sendCmdOutParams = default(SendCmdOutParams);
uint num = 0U;
IntPtr intPtr = AtapiDevice.CreateFile("\\\\.\\Smartvsd", 0U, 0U, IntPtr.Zero, 1U, 0U, IntPtr.Zero);
if (intPtr == IntPtr.Zero)
{
throw new Exception("Open smartvsd.vxd failed.");
}
if (AtapiDevice.DeviceIoControl(intPtr, 475264U, IntPtr.Zero, 0U, ref getVersionOutParams, (uint)Marshal.SizeOf(getVersionOutParams), ref num, IntPtr.Zero) == 0)
{
AtapiDevice.CloseHandle(intPtr);
throw new Exception("DeviceIoControl failed:DFP_GET_VERSION");
}
if ((getVersionOutParams.fCapabilities & 1U) == 0U)
{
AtapiDevice.CloseHandle(intPtr);
throw new Exception("Error: IDE identify command not supported.");
}
if ((driveIndex & 1) != 0)
{
sendCmdInParams.irDriveRegs.bDriveHeadReg = 176;
}
else
{
sendCmdInParams.irDriveRegs.bDriveHeadReg = 160;
}
if (0UL != ((ulong)getVersionOutParams.fCapabilities & (ulong)((long)(16 >> (int)driveIndex))))
{
AtapiDevice.CloseHandle(intPtr);
throw new Exception(string.Format("Drive {0} is a ATAPI device, we don't detect it", (int)(driveIndex + 1)));
}
sendCmdInParams.irDriveRegs.bCommandReg = 236;
sendCmdInParams.bDriveNumber = driveIndex;
sendCmdInParams.irDriveRegs.bSectorCountReg = 1;
sendCmdInParams.irDriveRegs.bSectorNumberReg = 1;
sendCmdInParams.cBufferSize = 512U;
if (AtapiDevice.DeviceIoControl(intPtr, 508040U, ref sendCmdInParams, (uint)Marshal.SizeOf(sendCmdInParams), ref sendCmdOutParams, (uint)Marshal.SizeOf(sendCmdOutParams), ref num, IntPtr.Zero) == 0)
{
AtapiDevice.CloseHandle(intPtr);
throw new Exception("DeviceIoControl failed: DFP_RECEIVE_DRIVE_DATA");
}
AtapiDevice.CloseHandle(intPtr);
return(AtapiDevice.GetHardDiskInfo(sendCmdOutParams.bBuffer));
}
private static extern int DeviceIoControl(IntPtr hDevice, uint dwIoControlCode, IntPtr lpInBuffer, uint nInBufferSize, ref GetVersionOutParams lpOutBuffer, uint nOutBufferSize, ref uint lpBytesReturned, [Out] IntPtr lpOverlapped);
