2005-04-16 16:20:36 -06:00
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/* Driver for USB Mass Storage compliant devices
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* Debugging Functions Source Code File
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*
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* Current development and maintenance by:
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* (c) 1999-2002 Matthew Dharm (mdharm-usb@one-eyed-alien.net)
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*
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* Developed with the assistance of:
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* (c) 2002 Alan Stern <stern@rowland.org>
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*
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* Initial work by:
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* (c) 1999 Michael Gee (michael@linuxspecific.com)
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*
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* This driver is based on the 'USB Mass Storage Class' document. This
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* describes in detail the protocol used to communicate with such
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* devices. Clearly, the designers had SCSI and ATAPI commands in
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* mind when they created this document. The commands are all very
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* similar to commands in the SCSI-II and ATAPI specifications.
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*
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* It is important to note that in a number of cases this class
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* exhibits class-specific exemptions from the USB specification.
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* Notably the usage of NAK, STALL and ACK differs from the norm, in
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* that they are used to communicate wait, failed and OK on commands.
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*
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* Also, for certain devices, the interrupt endpoint is used to convey
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* status of a command.
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*
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* Please see http://www.one-eyed-alien.net/~mdharm/linux-usb for more
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* information about this driver.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2, or (at your option) any
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* later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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2013-04-19 12:44:00 -06:00
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#include <linux/device.h>
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2005-04-16 16:20:36 -06:00
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#include <linux/cdrom.h>
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2013-04-18 15:17:14 -06:00
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#include <linux/export.h>
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2005-04-16 16:20:36 -06:00
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#include <scsi/scsi.h>
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#include <scsi/scsi_cmnd.h>
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2005-04-25 22:46:29 -06:00
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#include <scsi/scsi_dbg.h>
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2005-04-16 16:20:36 -06:00
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2013-04-19 12:44:00 -06:00
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#include "usb.h"
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2005-04-16 16:20:36 -06:00
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#include "debug.h"
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#include "scsi.h"
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2013-04-19 12:44:00 -06:00
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void usb_stor_show_command(const struct us_data *us, struct scsi_cmnd *srb)
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2005-04-16 16:20:36 -06:00
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{
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char *what = NULL;
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int i;
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switch (srb->cmnd[0]) {
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case TEST_UNIT_READY: what = "TEST_UNIT_READY"; break;
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case REZERO_UNIT: what = "REZERO_UNIT"; break;
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case REQUEST_SENSE: what = "REQUEST_SENSE"; break;
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case FORMAT_UNIT: what = "FORMAT_UNIT"; break;
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case READ_BLOCK_LIMITS: what = "READ_BLOCK_LIMITS"; break;
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case REASSIGN_BLOCKS: what = "REASSIGN_BLOCKS"; break;
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case READ_6: what = "READ_6"; break;
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case WRITE_6: what = "WRITE_6"; break;
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case SEEK_6: what = "SEEK_6"; break;
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case READ_REVERSE: what = "READ_REVERSE"; break;
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case WRITE_FILEMARKS: what = "WRITE_FILEMARKS"; break;
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case SPACE: what = "SPACE"; break;
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case INQUIRY: what = "INQUIRY"; break;
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case RECOVER_BUFFERED_DATA: what = "RECOVER_BUFFERED_DATA"; break;
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case MODE_SELECT: what = "MODE_SELECT"; break;
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case RESERVE: what = "RESERVE"; break;
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case RELEASE: what = "RELEASE"; break;
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case COPY: what = "COPY"; break;
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case ERASE: what = "ERASE"; break;
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case MODE_SENSE: what = "MODE_SENSE"; break;
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case START_STOP: what = "START_STOP"; break;
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case RECEIVE_DIAGNOSTIC: what = "RECEIVE_DIAGNOSTIC"; break;
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case SEND_DIAGNOSTIC: what = "SEND_DIAGNOSTIC"; break;
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case ALLOW_MEDIUM_REMOVAL: what = "ALLOW_MEDIUM_REMOVAL"; break;
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case SET_WINDOW: what = "SET_WINDOW"; break;
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case READ_CAPACITY: what = "READ_CAPACITY"; break;
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case READ_10: what = "READ_10"; break;
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case WRITE_10: what = "WRITE_10"; break;
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case SEEK_10: what = "SEEK_10"; break;
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case WRITE_VERIFY: what = "WRITE_VERIFY"; break;
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case VERIFY: what = "VERIFY"; break;
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case SEARCH_HIGH: what = "SEARCH_HIGH"; break;
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case SEARCH_EQUAL: what = "SEARCH_EQUAL"; break;
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case SEARCH_LOW: what = "SEARCH_LOW"; break;
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case SET_LIMITS: what = "SET_LIMITS"; break;
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case READ_POSITION: what = "READ_POSITION"; break;
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case SYNCHRONIZE_CACHE: what = "SYNCHRONIZE_CACHE"; break;
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case LOCK_UNLOCK_CACHE: what = "LOCK_UNLOCK_CACHE"; break;
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case READ_DEFECT_DATA: what = "READ_DEFECT_DATA"; break;
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case MEDIUM_SCAN: what = "MEDIUM_SCAN"; break;
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case COMPARE: what = "COMPARE"; break;
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case COPY_VERIFY: what = "COPY_VERIFY"; break;
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case WRITE_BUFFER: what = "WRITE_BUFFER"; break;
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case READ_BUFFER: what = "READ_BUFFER"; break;
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case UPDATE_BLOCK: what = "UPDATE_BLOCK"; break;
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case READ_LONG: what = "READ_LONG"; break;
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case WRITE_LONG: what = "WRITE_LONG"; break;
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case CHANGE_DEFINITION: what = "CHANGE_DEFINITION"; break;
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case WRITE_SAME: what = "WRITE_SAME"; break;
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case GPCMD_READ_SUBCHANNEL: what = "READ SUBCHANNEL"; break;
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case READ_TOC: what = "READ_TOC"; break;
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case GPCMD_READ_HEADER: what = "READ HEADER"; break;
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case GPCMD_PLAY_AUDIO_10: what = "PLAY AUDIO (10)"; break;
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case GPCMD_PLAY_AUDIO_MSF: what = "PLAY AUDIO MSF"; break;
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case GPCMD_GET_EVENT_STATUS_NOTIFICATION:
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what = "GET EVENT/STATUS NOTIFICATION"; break;
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case GPCMD_PAUSE_RESUME: what = "PAUSE/RESUME"; break;
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case LOG_SELECT: what = "LOG_SELECT"; break;
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case LOG_SENSE: what = "LOG_SENSE"; break;
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case GPCMD_STOP_PLAY_SCAN: what = "STOP PLAY/SCAN"; break;
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case GPCMD_READ_DISC_INFO: what = "READ DISC INFORMATION"; break;
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case GPCMD_READ_TRACK_RZONE_INFO:
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what = "READ TRACK INFORMATION"; break;
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case GPCMD_RESERVE_RZONE_TRACK: what = "RESERVE TRACK"; break;
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case GPCMD_SEND_OPC: what = "SEND OPC"; break;
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case MODE_SELECT_10: what = "MODE_SELECT_10"; break;
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case GPCMD_REPAIR_RZONE_TRACK: what = "REPAIR TRACK"; break;
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case 0x59: what = "READ MASTER CUE"; break;
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case MODE_SENSE_10: what = "MODE_SENSE_10"; break;
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case GPCMD_CLOSE_TRACK: what = "CLOSE TRACK/SESSION"; break;
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case 0x5C: what = "READ BUFFER CAPACITY"; break;
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case 0x5D: what = "SEND CUE SHEET"; break;
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case GPCMD_BLANK: what = "BLANK"; break;
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2005-11-30 14:57:45 -07:00
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case REPORT_LUNS: what = "REPORT LUNS"; break;
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2005-04-16 16:20:36 -06:00
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case MOVE_MEDIUM: what = "MOVE_MEDIUM or PLAY AUDIO (12)"; break;
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case READ_12: what = "READ_12"; break;
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case WRITE_12: what = "WRITE_12"; break;
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case WRITE_VERIFY_12: what = "WRITE_VERIFY_12"; break;
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case SEARCH_HIGH_12: what = "SEARCH_HIGH_12"; break;
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case SEARCH_EQUAL_12: what = "SEARCH_EQUAL_12"; break;
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case SEARCH_LOW_12: what = "SEARCH_LOW_12"; break;
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case SEND_VOLUME_TAG: what = "SEND_VOLUME_TAG"; break;
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case READ_ELEMENT_STATUS: what = "READ_ELEMENT_STATUS"; break;
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case GPCMD_READ_CD_MSF: what = "READ CD MSF"; break;
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case GPCMD_SCAN: what = "SCAN"; break;
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case GPCMD_SET_SPEED: what = "SET CD SPEED"; break;
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case GPCMD_MECHANISM_STATUS: what = "MECHANISM STATUS"; break;
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case GPCMD_READ_CD: what = "READ CD"; break;
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case 0xE1: what = "WRITE CONTINUE"; break;
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case WRITE_LONG_2: what = "WRITE_LONG_2"; break;
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default: what = "(unknown command)"; break;
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}
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2013-04-19 12:44:00 -06:00
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usb_stor_dbg(us, "Command %s (%d bytes)\n", what, srb->cmd_len);
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usb_stor_dbg(us, "bytes: ");
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2005-04-16 16:20:36 -06:00
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for (i = 0; i < srb->cmd_len && i < 16; i++)
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US_DEBUGPX(" %02x", srb->cmnd[i]);
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US_DEBUGPX("\n");
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}
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2013-04-19 12:44:00 -06:00
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void usb_stor_show_sense(const struct us_data *us,
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unsigned char key,
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unsigned char asc,
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unsigned char ascq)
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{
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2014-10-24 06:26:45 -06:00
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const char *what, *keystr, *fmt;
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2005-04-16 16:20:36 -06:00
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keystr = scsi_sense_key_string(key);
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2014-10-24 06:26:45 -06:00
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what = scsi_extd_sense_format(asc, ascq, &fmt);
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2005-04-16 16:20:36 -06:00
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if (keystr == NULL)
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keystr = "(Unknown Key)";
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if (what == NULL)
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what = "(unknown ASC/ASCQ)";
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2013-04-19 12:44:00 -06:00
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usb_stor_dbg(us, "%s: ", keystr);
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2014-10-24 06:26:45 -06:00
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if (fmt)
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US_DEBUGPX("%s (%s%x)\n", what, fmt, ascq);
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else
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US_DEBUGPX("%s\n", what);
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2005-04-16 16:20:36 -06:00
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}
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2013-04-16 23:44:07 -06:00
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2014-10-20 21:51:00 -06:00
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void usb_stor_dbg(const struct us_data *us, const char *fmt, ...)
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2013-04-16 23:44:07 -06:00
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{
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va_list args;
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va_start(args, fmt);
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2014-12-14 15:57:16 -07:00
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dev_vprintk_emit(LOGLEVEL_DEBUG, &us->pusb_dev->dev, fmt, args);
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2013-04-16 23:44:07 -06:00
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va_end(args);
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}
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2013-04-18 15:17:14 -06:00
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EXPORT_SYMBOL_GPL(usb_stor_dbg);
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