SiGetDeviceNumberInformation

INT64 __stdcall SiGetDeviceNumberInformation(WCHAR *DeviceName, UINT64 *DiskId, UINT64 *PartitionId){
  NTSTATUS v5; 
  HANDLE FileHandle; 
  struct _IO_STATUS_BLOCK IoStatusBlock; 
  __int64 OutputBuffer; 
  int v10; 
  FileHandle = 0i64;
  OutputBuffer = 0i64;
  IoStatusBlock = 0i64;
  v10 = 0;
  v5 = SiOpenDevice(DeviceName, &FileHandle);
  if( v5 >= 0 )
  {
    v5 = ZwDeviceIoControlFile(FileHandle, 0i64, 0i64, 0i64, &IoStatusBlock, 0x2D1080u, 0i64, 0, &OutputBuffer, 0xCu);
    if( v5 >= 0 )
    {
      if( (_DWORD)OutputBuffer == 7 )
      {
        *(_DWORD *)DiskId = HIDWORD(OutputBuffer);
        *(_DWORD *)PartitionId = v10;
      }
      else
      {
        v5 = -1073741637;
      }
    }
  }
  if( FileHandle )
    ZwClose(FileHandle);
  return(unsigned int)v5;
}

Referenced by: