extractedLnx/linux-2.6.4/drivers/ide/ide-taskfile.c_ide_cmd_type_parser.c

int ide_cmd_type_parser (ide_task_t *args)
{

	task_struct_t *taskfile = (task_struct_t *) args->tfRegister;
	hob_struct_t *hobfile   = (hob_struct_t *) args->hobRegister;

	args->prehandler	= ide_pre_handler_parser(taskfile, hobfile);
	args->handler		= ide_handler_parser(taskfile, hobfile);
	args->posthandler	= ide_post_handler_parser(taskfile, hobfile);

	switch(args->tfRegister[IDE_COMMAND_OFFSET]) {
		case WIN_IDENTIFY:
		case WIN_PIDENTIFY:
			return IDE_DRIVE_TASK_IN;
		case CFA_TRANSLATE_SECTOR:
		case WIN_READ:
	//	case WIN_READ_ONCE:
		case WIN_READ_EXT:
		case WIN_READ_BUFFER:
			return IDE_DRIVE_TASK_IN;
		case WIN_WRITE:
	//	case WIN_WRITE_ONCE:
		case WIN_WRITE_EXT:
		case WIN_WRITE_VERIFY:
		case WIN_WRITE_BUFFER:
		case CFA_WRITE_SECT_WO_ERASE:
		case WIN_DOWNLOAD_MICROCODE:
			return IDE_DRIVE_TASK_RAW_WRITE;
	//	case WIN_READ_LONG:
	//	case WIN_READ_LONG_ONCE:
		case WIN_MULTREAD:
		case WIN_MULTREAD_EXT:
			return IDE_DRIVE_TASK_IN;
	//	case WIN_WRITE_LONG:
	//	case WIN_WRITE_LONG_ONCE:
		case CFA_WRITE_MULTI_WO_ERASE:
		case WIN_MULTWRITE:
		case WIN_MULTWRITE_EXT:
			return IDE_DRIVE_TASK_RAW_WRITE;
		case WIN_SECURITY_DISABLE:
		case WIN_SECURITY_ERASE_UNIT:
		case WIN_SECURITY_SET_PASS:
		case WIN_SECURITY_UNLOCK:
			return IDE_DRIVE_TASK_OUT;
		case WIN_SMART:
			args->tfRegister[IDE_LCYL_OFFSET] = SMART_LCYL_PASS;
			args->tfRegister[IDE_HCYL_OFFSET] = SMART_HCYL_PASS;
			switch(args->tfRegister[IDE_FEATURE_OFFSET]) {
				case SMART_READ_VALUES:
				case SMART_READ_THRESHOLDS:
				case SMART_READ_LOG_SECTOR:
					return IDE_DRIVE_TASK_IN;
				case SMART_WRITE_LOG_SECTOR:
					return IDE_DRIVE_TASK_OUT;
				default:
					return IDE_DRIVE_TASK_NO_DATA;
			}
		case WIN_READDMA:
	//	case WIN_READDMA_ONCE:
		case WIN_IDENTIFY_DMA:
		case WIN_READDMA_QUEUED:
		case WIN_READDMA_EXT:
		case WIN_READDMA_QUEUED_EXT:
			return IDE_DRIVE_TASK_IN;
		case WIN_WRITEDMA:
	//	case WIN_WRITEDMA_ONCE:
		case WIN_WRITEDMA_QUEUED:
		case WIN_WRITEDMA_EXT:
		case WIN_WRITEDMA_QUEUED_EXT:
			return IDE_DRIVE_TASK_RAW_WRITE;
		case WIN_SETFEATURES:
			switch(args->tfRegister[IDE_FEATURE_OFFSET]) {
				case SETFEATURES_EN_8BIT:
				case SETFEATURES_EN_WCACHE:
					return IDE_DRIVE_TASK_NO_DATA;
				case SETFEATURES_XFER:
					return IDE_DRIVE_TASK_SET_XFER;
				case SETFEATURES_DIS_DEFECT:
				case SETFEATURES_EN_APM:
				case SETFEATURES_DIS_MSN:
				case SETFEATURES_DIS_RETRY:
				case SETFEATURES_EN_AAM:
				case SETFEATURES_RW_LONG:
				case SETFEATURES_SET_CACHE:
				case SETFEATURES_DIS_RLA:
				case SETFEATURES_EN_RI:
				case SETFEATURES_EN_SI:
				case SETFEATURES_DIS_RPOD:
				case SETFEATURES_DIS_WCACHE:
				case SETFEATURES_EN_DEFECT:
				case SETFEATURES_DIS_APM:
				case SETFEATURES_EN_ECC:
				case SETFEATURES_EN_MSN:
				case SETFEATURES_EN_RETRY:
				case SETFEATURES_EN_RLA:
				case SETFEATURES_PREFETCH:
				case SETFEATURES_4B_RW_LONG:
				case SETFEATURES_DIS_AAM:
				case SETFEATURES_EN_RPOD:
				case SETFEATURES_DIS_RI:
				case SETFEATURES_DIS_SI:
				default:
					return IDE_DRIVE_TASK_NO_DATA;
			}
		case WIN_NOP:
		case CFA_REQ_EXT_ERROR_CODE:
		case CFA_ERASE_SECTORS:
		case WIN_VERIFY:
	//	case WIN_VERIFY_ONCE:
		case WIN_VERIFY_EXT:
		case WIN_SEEK:
		case WIN_SPECIFY:
		case WIN_RESTORE:
		case WIN_DIAGNOSE:
		case WIN_FLUSH_CACHE:
		case WIN_FLUSH_CACHE_EXT:
		case WIN_STANDBYNOW1:
		case WIN_STANDBYNOW2:
		case WIN_SLEEPNOW1:
		case WIN_SLEEPNOW2:
		case WIN_SETIDLE1:
		case DISABLE_SEAGATE:
		case WIN_CHECKPOWERMODE1:
		case WIN_CHECKPOWERMODE2:
		case WIN_GETMEDIASTATUS:
		case WIN_MEDIAEJECT:
		case WIN_SETMULT:
		case WIN_READ_NATIVE_MAX:
		case WIN_SET_MAX:
		case WIN_READ_NATIVE_MAX_EXT:
		case WIN_SET_MAX_EXT:
		case WIN_SECURITY_ERASE_PREPARE:
		case WIN_SECURITY_FREEZE_LOCK:
		case EXABYTE_ENABLE_NEST:
		case WIN_DOORLOCK:
		case WIN_DOORUNLOCK:
			return IDE_DRIVE_TASK_NO_DATA;
		case WIN_FORMAT:
		case WIN_INIT:
		case WIN_DEVICE_RESET:
		case WIN_QUEUED_SERVICE:
		case WIN_PACKETCMD:
		default:
			return IDE_DRIVE_TASK_INVALID;
	}
}