112 int usb_stor_get_info(struct usb_device *dev, struct us_data *us,
172 static unsigned int usb_get_max_lun(struct us_data *us)  in usb_get_max_lun()  argument
176 	len = usb_control_msg(us->pusb_dev,  in usb_get_max_lun()
177 			      usb_rcvctrlpipe(us->pusb_dev, 0),  in usb_get_max_lun()
180 			      0, us->ifnum,  in usb_get_max_lun()
331 	struct us_data *us;  in usb_stor_irq()  local
332 	us = (struct us_data *)dev->privptr;  in usb_stor_irq()
334 	if (us->ip_wanted)  in usb_stor_irq()
335 		us->ip_wanted = 0;  in usb_stor_irq()
367 static int us_one_transfer(struct us_data *us, int pipe, char *buf, int length)  in us_one_transfer()  argument
377 	max_size = usb_maxpacket(us->pusb_dev, pipe) * 16;  in us_one_transfer()
395 			result = usb_bulk_msg(us->pusb_dev, pipe, buf,  in us_one_transfer()
400 			if (us->pusb_dev->status != 0) {  in us_one_transfer()
405 				display_int_status(us->pusb_dev->status);  in us_one_transfer()
407 				if (us->pusb_dev->status & USB_ST_STALLED) {  in us_one_transfer()
410 					stat = us->pusb_dev->status;  in us_one_transfer()
411 					usb_clear_halt(us->pusb_dev, pipe);  in us_one_transfer()
412 					us->pusb_dev->status = stat;  in us_one_transfer()
417 						      us->pusb_dev->status);  in us_one_transfer()
423 				if (us->pusb_dev->status & USB_ST_NAK_REC) {  in us_one_transfer()
430 					      us->pusb_dev->status);  in us_one_transfer()
435 					      us->pusb_dev->status, partial);  in us_one_transfer()
450 static int usb_stor_BBB_reset(struct us_data *us)  in usb_stor_BBB_reset()  argument
470 	result = usb_control_msg(us->pusb_dev, usb_sndctrlpipe(us->pusb_dev, 0),  in usb_stor_BBB_reset()
473 				 0, us->ifnum, NULL, 0, USB_CNTL_TIMEOUT * 5);  in usb_stor_BBB_reset()
475 	if ((result < 0) && (us->pusb_dev->status & USB_ST_STALLED)) {  in usb_stor_BBB_reset()
483 	      result, us->pusb_dev->status);  in usb_stor_BBB_reset()
484 	pipe = usb_rcvbulkpipe(us->pusb_dev, us->ep_in);  in usb_stor_BBB_reset()
485 	result = usb_clear_halt(us->pusb_dev, pipe);  in usb_stor_BBB_reset()
489 	      result, us->pusb_dev->status);  in usb_stor_BBB_reset()
491 	pipe = usb_sndbulkpipe(us->pusb_dev, us->ep_out);  in usb_stor_BBB_reset()
492 	result = usb_clear_halt(us->pusb_dev, pipe);  in usb_stor_BBB_reset()
495 	      result, us->pusb_dev->status);  in usb_stor_BBB_reset()
504 static int usb_stor_CB_reset(struct us_data *us)  in usb_stor_CB_reset()  argument
513 	result = usb_control_msg(us->pusb_dev, usb_sndctrlpipe(us->pusb_dev, 0),  in usb_stor_CB_reset()
516 				 0, us->ifnum, cmd, sizeof(cmd),  in usb_stor_CB_reset()
522 	      result, us->pusb_dev->status);  in usb_stor_CB_reset()
523 	usb_clear_halt(us->pusb_dev, usb_rcvbulkpipe(us->pusb_dev, us->ep_in));  in usb_stor_CB_reset()
524 	usb_clear_halt(us->pusb_dev, usb_rcvbulkpipe(us->pusb_dev, us->ep_out));  in usb_stor_CB_reset()
534 static int usb_stor_BBB_comdat(struct scsi_cmd *srb, struct us_data *us)  in usb_stor_BBB_comdat()  argument
561 	pipe = usb_sndbulkpipe(us->pusb_dev, us->ep_out);  in usb_stor_BBB_comdat()
573 	result = usb_bulk_msg(us->pusb_dev, pipe, cbw, UMASS_BBB_CBW_SIZE,  in usb_stor_BBB_comdat()
583 static int usb_stor_CB_comdat(struct scsi_cmd *srb, struct us_data *us)  in usb_stor_CB_comdat()  argument
594 		pipe = usb_rcvbulkpipe(us->pusb_dev, us->ep_in);  in usb_stor_CB_comdat()
596 		pipe = usb_sndbulkpipe(us->pusb_dev, us->ep_out);  in usb_stor_CB_comdat()
604 		result = usb_control_msg(us->pusb_dev,  in usb_stor_CB_comdat()
605 					 usb_sndctrlpipe(us->pusb_dev , 0),  in usb_stor_CB_comdat()
608 					 0, us->ifnum,  in usb_stor_CB_comdat()
612 		      result, us->pusb_dev->status);  in usb_stor_CB_comdat()
615 			if (us->pusb_dev->status & USB_ST_STALLED) {  in usb_stor_CB_comdat()
616 				status = us->pusb_dev->status;  in usb_stor_CB_comdat()
619 				usb_clear_halt(us->pusb_dev,  in usb_stor_CB_comdat()
620 					      usb_sndctrlpipe(us->pusb_dev, 0));  in usb_stor_CB_comdat()
621 				us->pusb_dev->status = status;  in usb_stor_CB_comdat()
625 			      us->pusb_dev->status);  in usb_stor_CB_comdat()
634 			result = us_one_transfer(us, pipe, (char *)srb->pdata,  in usb_stor_CB_comdat()
638 			      result, us->pusb_dev->status,  in usb_stor_CB_comdat()
639 				us->pusb_dev->act_len);  in usb_stor_CB_comdat()
640 			if (!(us->pusb_dev->status & USB_ST_NAK_REC))  in usb_stor_CB_comdat()
652 static int usb_stor_CBI_get_status(struct scsi_cmd *srb, struct us_data *us)  in usb_stor_CBI_get_status()  argument
656 	us->ip_wanted = 1;  in usb_stor_CBI_get_status()
657 	usb_int_msg(us->pusb_dev, us->irqpipe,  in usb_stor_CBI_get_status()
658 		    (void *)&us->ip_data, us->irqmaxp, us->irqinterval, false);  in usb_stor_CBI_get_status()
661 		if (us->ip_wanted == 0)  in usb_stor_CBI_get_status()
665 	if (us->ip_wanted) {  in usb_stor_CBI_get_status()
667 		us->ip_wanted = 0;  in usb_stor_CBI_get_status()
671 	      us->ip_data, us->pusb_dev->irq_act_len,  in usb_stor_CBI_get_status()
672 	      us->pusb_dev->irq_status);  in usb_stor_CBI_get_status()
673 	/* UFI gives us ASC and ASCQ, like a request sense */  in usb_stor_CBI_get_status()
674 	if (us->subclass == US_SC_UFI) {  in usb_stor_CBI_get_status()
678 		else if (us->ip_data)  in usb_stor_CBI_get_status()
684 	switch (us->ip_data) {  in usb_stor_CBI_get_status()
699 static int usb_stor_BBB_clear_endpt_stall(struct us_data *us, __u8 endpt)  in usb_stor_BBB_clear_endpt_stall()  argument
702 	return usb_control_msg(us->pusb_dev, usb_sndctrlpipe(us->pusb_dev, 0),  in usb_stor_BBB_clear_endpt_stall()
707 static int usb_stor_BBB_transport(struct scsi_cmd *srb, struct us_data *us)  in usb_stor_BBB_transport()  argument
723 	result = usb_stor_BBB_comdat(srb, us);  in usb_stor_BBB_transport()
726 		      us->pusb_dev->status);  in usb_stor_BBB_transport()
727 		usb_stor_BBB_reset(us);  in usb_stor_BBB_transport()
730 	if (!(us->flags & USB_READY))  in usb_stor_BBB_transport()
732 	pipein = usb_rcvbulkpipe(us->pusb_dev, us->ep_in);  in usb_stor_BBB_transport()
733 	pipeout = usb_sndbulkpipe(us->pusb_dev, us->ep_out);  in usb_stor_BBB_transport()
745 	result = usb_bulk_msg(us->pusb_dev, pipe, srb->pdata, srb->datalen,  in usb_stor_BBB_transport()
748 	if ((result < 0) && (us->pusb_dev->status & USB_ST_STALLED)) {  in usb_stor_BBB_transport()
751 		result = usb_stor_BBB_clear_endpt_stall(us,  in usb_stor_BBB_transport()
752 					dir_in ? us->ep_in : us->ep_out);  in usb_stor_BBB_transport()
759 		      us->pusb_dev->status);  in usb_stor_BBB_transport()
760 		usb_stor_BBB_reset(us);  in usb_stor_BBB_transport()
773 	result = usb_bulk_msg(us->pusb_dev, pipein, csw, UMASS_BBB_CSW_SIZE,  in usb_stor_BBB_transport()
778 	    (us->pusb_dev->status & USB_ST_STALLED)) {  in usb_stor_BBB_transport()
781 		result = usb_stor_BBB_clear_endpt_stall(us, us->ep_in);  in usb_stor_BBB_transport()
788 		      us->pusb_dev->status);  in usb_stor_BBB_transport()
789 		usb_stor_BBB_reset(us);  in usb_stor_BBB_transport()
804 		usb_stor_BBB_reset(us);  in usb_stor_BBB_transport()
808 		usb_stor_BBB_reset(us);  in usb_stor_BBB_transport()
812 		usb_stor_BBB_reset(us);  in usb_stor_BBB_transport()
816 		usb_stor_BBB_reset(us);  in usb_stor_BBB_transport()
830 static int usb_stor_CB_transport(struct scsi_cmd *srb, struct us_data *us)  in usb_stor_CB_transport()  argument
843 	result = usb_stor_CB_comdat(srb, us);  in usb_stor_CB_transport()
845 	      result, us->pusb_dev->status);  in usb_stor_CB_transport()
847 	if (us->protocol == US_PR_CBI) {  in usb_stor_CB_transport()
848 		status = usb_stor_CBI_get_status(srb, us);  in usb_stor_CB_transport()
854 		srb->sense_buf[12] = (unsigned char)(us->ip_data >> 8);  in usb_stor_CB_transport()
855 		srb->sense_buf[13] = (unsigned char)(us->ip_data & 0xff);  in usb_stor_CB_transport()
856 		if (!us->ip_data) {  in usb_stor_CB_transport()
866 	if ((result < 0) && !(us->pusb_dev->status & USB_ST_STALLED)) {  in usb_stor_CB_transport()
867 		debug("ERROR %lX\n", us->pusb_dev->status);  in usb_stor_CB_transport()
868 		us->transport_reset(us);  in usb_stor_CB_transport()
871 	if ((us->protocol == US_PR_CBI) &&  in usb_stor_CB_transport()
887 	result = usb_stor_CB_comdat(psrb, us);  in usb_stor_CB_transport()
890 	if (us->protocol == US_PR_CBI)  in usb_stor_CB_transport()
891 		status = usb_stor_CBI_get_status(psrb, us);  in usb_stor_CB_transport()
893 	if ((result < 0) && !(us->pusb_dev->status & USB_ST_STALLED)) {  in usb_stor_CB_transport()
895 		      us->pusb_dev->status);  in usb_stor_CB_transport()
943 				      struct us_data *us)  in usb_stor_set_max_xfer_blk()  argument
973 	us->max_xfer_blk = blk;  in usb_stor_set_max_xfer_blk()