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1da177e4 LT |
1 | /* Driver for USB Mass Storage compliant devices |
2 | * Debugging Functions Source Code File | |
3 | * | |
1da177e4 LT |
4 | * Current development and maintenance by: |
5 | * (c) 1999-2002 Matthew Dharm (mdharm-usb@one-eyed-alien.net) | |
6 | * | |
7 | * Developed with the assistance of: | |
8 | * (c) 2002 Alan Stern <stern@rowland.org> | |
9 | * | |
10 | * Initial work by: | |
11 | * (c) 1999 Michael Gee (michael@linuxspecific.com) | |
12 | * | |
13 | * This driver is based on the 'USB Mass Storage Class' document. This | |
14 | * describes in detail the protocol used to communicate with such | |
15 | * devices. Clearly, the designers had SCSI and ATAPI commands in | |
16 | * mind when they created this document. The commands are all very | |
17 | * similar to commands in the SCSI-II and ATAPI specifications. | |
18 | * | |
19 | * It is important to note that in a number of cases this class | |
20 | * exhibits class-specific exemptions from the USB specification. | |
21 | * Notably the usage of NAK, STALL and ACK differs from the norm, in | |
22 | * that they are used to communicate wait, failed and OK on commands. | |
23 | * | |
24 | * Also, for certain devices, the interrupt endpoint is used to convey | |
25 | * status of a command. | |
26 | * | |
27 | * Please see http://www.one-eyed-alien.net/~mdharm/linux-usb for more | |
28 | * information about this driver. | |
29 | * | |
30 | * This program is free software; you can redistribute it and/or modify it | |
31 | * under the terms of the GNU General Public License as published by the | |
32 | * Free Software Foundation; either version 2, or (at your option) any | |
33 | * later version. | |
34 | * | |
35 | * This program is distributed in the hope that it will be useful, but | |
36 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
37 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
38 | * General Public License for more details. | |
39 | * | |
40 | * You should have received a copy of the GNU General Public License along | |
41 | * with this program; if not, write to the Free Software Foundation, Inc., | |
42 | * 675 Mass Ave, Cambridge, MA 02139, USA. | |
43 | */ | |
44 | ||
191648d0 | 45 | #include <linux/device.h> |
1da177e4 | 46 | #include <linux/cdrom.h> |
1cb6e73c | 47 | #include <linux/export.h> |
1da177e4 LT |
48 | #include <scsi/scsi.h> |
49 | #include <scsi/scsi_cmnd.h> | |
e2e66446 | 50 | #include <scsi/scsi_dbg.h> |
1da177e4 | 51 | |
191648d0 | 52 | #include "usb.h" |
1da177e4 LT |
53 | #include "debug.h" |
54 | #include "scsi.h" | |
55 | ||
56 | ||
191648d0 | 57 | void usb_stor_show_command(const struct us_data *us, struct scsi_cmnd *srb) |
1da177e4 LT |
58 | { |
59 | char *what = NULL; | |
60 | int i; | |
61 | ||
62 | switch (srb->cmnd[0]) { | |
63 | case TEST_UNIT_READY: what = "TEST_UNIT_READY"; break; | |
64 | case REZERO_UNIT: what = "REZERO_UNIT"; break; | |
65 | case REQUEST_SENSE: what = "REQUEST_SENSE"; break; | |
66 | case FORMAT_UNIT: what = "FORMAT_UNIT"; break; | |
67 | case READ_BLOCK_LIMITS: what = "READ_BLOCK_LIMITS"; break; | |
68 | case REASSIGN_BLOCKS: what = "REASSIGN_BLOCKS"; break; | |
69 | case READ_6: what = "READ_6"; break; | |
70 | case WRITE_6: what = "WRITE_6"; break; | |
71 | case SEEK_6: what = "SEEK_6"; break; | |
72 | case READ_REVERSE: what = "READ_REVERSE"; break; | |
73 | case WRITE_FILEMARKS: what = "WRITE_FILEMARKS"; break; | |
74 | case SPACE: what = "SPACE"; break; | |
75 | case INQUIRY: what = "INQUIRY"; break; | |
76 | case RECOVER_BUFFERED_DATA: what = "RECOVER_BUFFERED_DATA"; break; | |
77 | case MODE_SELECT: what = "MODE_SELECT"; break; | |
78 | case RESERVE: what = "RESERVE"; break; | |
79 | case RELEASE: what = "RELEASE"; break; | |
80 | case COPY: what = "COPY"; break; | |
81 | case ERASE: what = "ERASE"; break; | |
82 | case MODE_SENSE: what = "MODE_SENSE"; break; | |
83 | case START_STOP: what = "START_STOP"; break; | |
84 | case RECEIVE_DIAGNOSTIC: what = "RECEIVE_DIAGNOSTIC"; break; | |
85 | case SEND_DIAGNOSTIC: what = "SEND_DIAGNOSTIC"; break; | |
86 | case ALLOW_MEDIUM_REMOVAL: what = "ALLOW_MEDIUM_REMOVAL"; break; | |
87 | case SET_WINDOW: what = "SET_WINDOW"; break; | |
88 | case READ_CAPACITY: what = "READ_CAPACITY"; break; | |
89 | case READ_10: what = "READ_10"; break; | |
90 | case WRITE_10: what = "WRITE_10"; break; | |
91 | case SEEK_10: what = "SEEK_10"; break; | |
92 | case WRITE_VERIFY: what = "WRITE_VERIFY"; break; | |
93 | case VERIFY: what = "VERIFY"; break; | |
94 | case SEARCH_HIGH: what = "SEARCH_HIGH"; break; | |
95 | case SEARCH_EQUAL: what = "SEARCH_EQUAL"; break; | |
96 | case SEARCH_LOW: what = "SEARCH_LOW"; break; | |
97 | case SET_LIMITS: what = "SET_LIMITS"; break; | |
98 | case READ_POSITION: what = "READ_POSITION"; break; | |
99 | case SYNCHRONIZE_CACHE: what = "SYNCHRONIZE_CACHE"; break; | |
100 | case LOCK_UNLOCK_CACHE: what = "LOCK_UNLOCK_CACHE"; break; | |
101 | case READ_DEFECT_DATA: what = "READ_DEFECT_DATA"; break; | |
102 | case MEDIUM_SCAN: what = "MEDIUM_SCAN"; break; | |
103 | case COMPARE: what = "COMPARE"; break; | |
104 | case COPY_VERIFY: what = "COPY_VERIFY"; break; | |
105 | case WRITE_BUFFER: what = "WRITE_BUFFER"; break; | |
106 | case READ_BUFFER: what = "READ_BUFFER"; break; | |
107 | case UPDATE_BLOCK: what = "UPDATE_BLOCK"; break; | |
108 | case READ_LONG: what = "READ_LONG"; break; | |
109 | case WRITE_LONG: what = "WRITE_LONG"; break; | |
110 | case CHANGE_DEFINITION: what = "CHANGE_DEFINITION"; break; | |
111 | case WRITE_SAME: what = "WRITE_SAME"; break; | |
112 | case GPCMD_READ_SUBCHANNEL: what = "READ SUBCHANNEL"; break; | |
113 | case READ_TOC: what = "READ_TOC"; break; | |
114 | case GPCMD_READ_HEADER: what = "READ HEADER"; break; | |
115 | case GPCMD_PLAY_AUDIO_10: what = "PLAY AUDIO (10)"; break; | |
116 | case GPCMD_PLAY_AUDIO_MSF: what = "PLAY AUDIO MSF"; break; | |
117 | case GPCMD_GET_EVENT_STATUS_NOTIFICATION: | |
118 | what = "GET EVENT/STATUS NOTIFICATION"; break; | |
119 | case GPCMD_PAUSE_RESUME: what = "PAUSE/RESUME"; break; | |
120 | case LOG_SELECT: what = "LOG_SELECT"; break; | |
121 | case LOG_SENSE: what = "LOG_SENSE"; break; | |
122 | case GPCMD_STOP_PLAY_SCAN: what = "STOP PLAY/SCAN"; break; | |
123 | case GPCMD_READ_DISC_INFO: what = "READ DISC INFORMATION"; break; | |
124 | case GPCMD_READ_TRACK_RZONE_INFO: | |
125 | what = "READ TRACK INFORMATION"; break; | |
126 | case GPCMD_RESERVE_RZONE_TRACK: what = "RESERVE TRACK"; break; | |
127 | case GPCMD_SEND_OPC: what = "SEND OPC"; break; | |
128 | case MODE_SELECT_10: what = "MODE_SELECT_10"; break; | |
129 | case GPCMD_REPAIR_RZONE_TRACK: what = "REPAIR TRACK"; break; | |
130 | case 0x59: what = "READ MASTER CUE"; break; | |
131 | case MODE_SENSE_10: what = "MODE_SENSE_10"; break; | |
132 | case GPCMD_CLOSE_TRACK: what = "CLOSE TRACK/SESSION"; break; | |
133 | case 0x5C: what = "READ BUFFER CAPACITY"; break; | |
134 | case 0x5D: what = "SEND CUE SHEET"; break; | |
135 | case GPCMD_BLANK: what = "BLANK"; break; | |
3717f295 | 136 | case REPORT_LUNS: what = "REPORT LUNS"; break; |
1da177e4 LT |
137 | case MOVE_MEDIUM: what = "MOVE_MEDIUM or PLAY AUDIO (12)"; break; |
138 | case READ_12: what = "READ_12"; break; | |
139 | case WRITE_12: what = "WRITE_12"; break; | |
140 | case WRITE_VERIFY_12: what = "WRITE_VERIFY_12"; break; | |
141 | case SEARCH_HIGH_12: what = "SEARCH_HIGH_12"; break; | |
142 | case SEARCH_EQUAL_12: what = "SEARCH_EQUAL_12"; break; | |
143 | case SEARCH_LOW_12: what = "SEARCH_LOW_12"; break; | |
144 | case SEND_VOLUME_TAG: what = "SEND_VOLUME_TAG"; break; | |
145 | case READ_ELEMENT_STATUS: what = "READ_ELEMENT_STATUS"; break; | |
146 | case GPCMD_READ_CD_MSF: what = "READ CD MSF"; break; | |
147 | case GPCMD_SCAN: what = "SCAN"; break; | |
148 | case GPCMD_SET_SPEED: what = "SET CD SPEED"; break; | |
149 | case GPCMD_MECHANISM_STATUS: what = "MECHANISM STATUS"; break; | |
150 | case GPCMD_READ_CD: what = "READ CD"; break; | |
151 | case 0xE1: what = "WRITE CONTINUE"; break; | |
152 | case WRITE_LONG_2: what = "WRITE_LONG_2"; break; | |
153 | default: what = "(unknown command)"; break; | |
154 | } | |
191648d0 JP |
155 | usb_stor_dbg(us, "Command %s (%d bytes)\n", what, srb->cmd_len); |
156 | usb_stor_dbg(us, "bytes: "); | |
1da177e4 LT |
157 | for (i = 0; i < srb->cmd_len && i < 16; i++) |
158 | US_DEBUGPX(" %02x", srb->cmnd[i]); | |
159 | US_DEBUGPX("\n"); | |
160 | } | |
161 | ||
191648d0 JP |
162 | void usb_stor_show_sense(const struct us_data *us, |
163 | unsigned char key, | |
164 | unsigned char asc, | |
165 | unsigned char ascq) | |
166 | { | |
1da177e4 LT |
167 | const char *what, *keystr; |
168 | ||
169 | keystr = scsi_sense_key_string(key); | |
170 | what = scsi_extd_sense_format(asc, ascq); | |
171 | ||
172 | if (keystr == NULL) | |
173 | keystr = "(Unknown Key)"; | |
174 | if (what == NULL) | |
175 | what = "(unknown ASC/ASCQ)"; | |
176 | ||
191648d0 | 177 | usb_stor_dbg(us, "%s: ", keystr); |
1da177e4 LT |
178 | US_DEBUGPX(what, ascq); |
179 | US_DEBUGPX("\n"); | |
180 | } | |
75b9130e | 181 | |
191648d0 | 182 | int usb_stor_dbg(const struct us_data *us, const char *fmt, ...) |
75b9130e | 183 | { |
75b9130e JP |
184 | va_list args; |
185 | int r; | |
186 | ||
187 | va_start(args, fmt); | |
188 | ||
191648d0 | 189 | r = dev_vprintk_emit(7, &us->pusb_dev->dev, fmt, args); |
75b9130e JP |
190 | |
191 | va_end(args); | |
192 | ||
193 | return r; | |
194 | } | |
1cb6e73c | 195 | EXPORT_SYMBOL_GPL(usb_stor_dbg); |