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