LPVOID
LPVOID lpInBuffer; /* input data buffer */
LPVOID lpOutBuffer; /* output data buffer */
int hpt_device_io(DEVICEID id, int cmd, ULONG lba, DWORD nSector, LPVOID buffer);
int hpt_device_io_v2(DEVICEID id, int cmd, LBA64 lba, DWORD nSector, LPVOID buffer);