70 static int datafab_determine_lun(struct us_data *us,
114 datafab_bulk_read(struct us_data *us, unsigned char *data, unsigned int len) {  in datafab_bulk_read()  argument
118 	usb_stor_dbg(us, "len = %d\n", len);  in datafab_bulk_read()
119 	return usb_stor_bulk_transfer_buf(us, us->recv_bulk_pipe,  in datafab_bulk_read()
125 datafab_bulk_write(struct us_data *us, unsigned char *data, unsigned int len) {  in datafab_bulk_write()  argument
129 	usb_stor_dbg(us, "len = %d\n", len);  in datafab_bulk_write()
130 	return usb_stor_bulk_transfer_buf(us, us->send_bulk_pipe,  in datafab_bulk_write()
135 static int datafab_read_data(struct us_data *us,  in datafab_read_data()  argument
140 	unsigned char *command = us->iobuf;  in datafab_read_data()
157 		result = datafab_determine_lun(us, info);  in datafab_read_data()
192 		result = datafab_bulk_write(us, command, 8);  in datafab_read_data()
197 		result = datafab_bulk_read(us, buffer, len);  in datafab_read_data()
202 		usb_stor_access_xfer_buf(buffer, len, us->srb,  in datafab_read_data()
218 static int datafab_write_data(struct us_data *us,  in datafab_write_data()  argument
223 	unsigned char *command = us->iobuf;  in datafab_write_data()
224 	unsigned char *reply = us->iobuf;  in datafab_write_data()
241 		result = datafab_determine_lun(us, info);  in datafab_write_data()
265 		usb_stor_access_xfer_buf(buffer, len, us->srb,  in datafab_write_data()
280 		result = datafab_bulk_write(us, command, 8);  in datafab_write_data()
285 		result = datafab_bulk_write(us, buffer, len);  in datafab_write_data()
290 		result = datafab_bulk_read(us, reply, 2);  in datafab_write_data()
295 			usb_stor_dbg(us, "Gah! write return code: %02x %02x\n",  in datafab_write_data()
314 static int datafab_determine_lun(struct us_data *us,  in datafab_determine_lun()  argument
324 	unsigned char *command = us->iobuf;  in datafab_determine_lun()
336 	usb_stor_dbg(us, "locating...\n");  in datafab_determine_lun()
343 		rc = datafab_bulk_write(us, command, 8);  in datafab_determine_lun()
349 		rc = datafab_bulk_read(us, buf, 512);  in datafab_determine_lun()
358 		rc = datafab_bulk_write(us, command, 8);  in datafab_determine_lun()
364 		rc = datafab_bulk_read(us, buf, 512);  in datafab_determine_lun()
381 static int datafab_id_device(struct us_data *us,  in datafab_id_device()  argument
389 	unsigned char *command = us->iobuf;  in datafab_id_device()
397 		rc = datafab_determine_lun(us, info);  in datafab_id_device()
409 	rc = datafab_bulk_write(us, command, 8);  in datafab_id_device()
417 	rc = datafab_bulk_read(us, reply, 512);  in datafab_id_device()
437 static int datafab_handle_mode_sense(struct us_data *us,  in datafab_handle_mode_sense()  argument
455 	struct datafab_info *info = (struct datafab_info *) (us->extra);  in datafab_handle_mode_sense()
456 	unsigned char *ptr = us->iobuf;  in datafab_handle_mode_sense()
468 		   usb_stor_dbg(us, "Current values\n");  in datafab_handle_mode_sense()
471 		   usb_stor_dbg(us, "Changeable values\n");  in datafab_handle_mode_sense()
474 		   usb_stor_dbg(us, "Default values\n");  in datafab_handle_mode_sense()
477 		   usb_stor_dbg(us, "Saves values\n");  in datafab_handle_mode_sense()
548 static int datafab_transport(struct scsi_cmnd *srb, struct us_data *us)  in datafab_transport()  argument
553 	unsigned char *ptr = us->iobuf;  in datafab_transport()
558 	if (!us->extra) {  in datafab_transport()
559 		us->extra = kzalloc(sizeof(struct datafab_info), GFP_NOIO);  in datafab_transport()
560 		if (!us->extra)  in datafab_transport()
563 		us->extra_destructor = datafab_info_destructor;  in datafab_transport()
564   		((struct datafab_info *)us->extra)->lun = -1;  in datafab_transport()
567 	info = (struct datafab_info *) (us->extra);  in datafab_transport()
570 		usb_stor_dbg(us, "INQUIRY - Returning bogus response\n");  in datafab_transport()
572 		fill_inquiry_response(us, ptr, 36);  in datafab_transport()
578 		rc = datafab_id_device(us, info);  in datafab_transport()
582 		usb_stor_dbg(us, "READ_CAPACITY:  %ld sectors, %ld bytes per sector\n",  in datafab_transport()
595 		usb_stor_dbg(us, "Gah! MODE_SELECT_10\n");  in datafab_transport()
607 		usb_stor_dbg(us, "READ_10: read block 0x%04lx  count %ld\n",  in datafab_transport()
609 		return datafab_read_data(us, info, block, blocks);  in datafab_transport()
621 		usb_stor_dbg(us, "READ_12: read block 0x%04lx  count %ld\n",  in datafab_transport()
623 		return datafab_read_data(us, info, block, blocks);  in datafab_transport()
632 		usb_stor_dbg(us, "WRITE_10: write block 0x%04lx count %ld\n",  in datafab_transport()
634 		return datafab_write_data(us, info, block, blocks);  in datafab_transport()
646 		usb_stor_dbg(us, "WRITE_12: write block 0x%04lx count %ld\n",  in datafab_transport()
648 		return datafab_write_data(us, info, block, blocks);  in datafab_transport()
652 		usb_stor_dbg(us, "TEST_UNIT_READY\n");  in datafab_transport()
653 		return datafab_id_device(us, info);  in datafab_transport()
657 		usb_stor_dbg(us, "REQUEST_SENSE - Returning faked response\n");  in datafab_transport()
675 		usb_stor_dbg(us, "MODE_SENSE_6 detected\n");  in datafab_transport()
676 		return datafab_handle_mode_sense(us, srb, 1);  in datafab_transport()
680 		usb_stor_dbg(us, "MODE_SENSE_10 detected\n");  in datafab_transport()
681 		return datafab_handle_mode_sense(us, srb, 0);  in datafab_transport()
697 		usb_stor_dbg(us, "START_STOP\n");  in datafab_transport()
702 		rc = datafab_id_device(us, info);  in datafab_transport()
713 	usb_stor_dbg(us, "Gah! Unknown command: %d (0x%x)\n",  in datafab_transport()
726 	struct us_data *us;  in datafab_probe()  local
729 	result = usb_stor_probe1(&us, intf, id,  in datafab_probe()
735 	us->transport_name  = "Datafab Bulk-Only";  in datafab_probe()
736 	us->transport = datafab_transport;  in datafab_probe()
737 	us->transport_reset = usb_stor_Bulk_reset;  in datafab_probe()
738 	us->max_lun = 1;  in datafab_probe()
740 	result = usb_stor_probe2(us);  in datafab_probe()