case MOUSE_SENDREADCMD:

	data = (mousedata_t *)addr;

	if (data->len > sizeof(data->buf)/sizeof(data->buf[0]))

	    return EINVAL;

	error = block_mouse_data(sc, &command_byte);

	if (error) 

            return error;

	for (s=0; s<data->len && !error; s++) {

            if ((send_aux_command(sc->kbdc, data->buf[s])) != PSM_ACK)

        	error = EIO;

	}

	if (!error) {

    	    for (s = 0; s < sizeof(data->buf)/sizeof(data->buf[0]); s++) {

        	data->buf[s] = read_aux_data(sc->kbdc);

		if (data->buf[s] < 0)

	    	    break;

	    }

	    if (s==sizeof(data->buf)/sizeof(data->buf[0]))

		error = EIO;

	    else

		data->len=s;

	}

	unblock_mouse_data(sc, command_byte);

	break;