SATA_FIS_PIO_SETUP_T
(U16)((SATA_FIS_PIO_SETUP_T *)(&frame_buffer[-1]))->transfter_count;
(U16)((SATA_FIS_PIO_SETUP_T *)(&frame_buffer[-1]))->transfter_count;
(U8)((SATA_FIS_PIO_SETUP_T *)(&frame_buffer[-1]))->ending_status;