Commit | Line | Data |
---|---|---|
655ee63c | 1 | /* |
1da177e4 LT |
2 | * ASCII values for a number of symbolic constants, printing functions, |
3 | * etc. | |
4 | * Additions for SCSI 2 and Linux 2.2.x by D. Gilbert (990422) | |
5 | * Additions for SCSI 3+ (SPC-3 T10/1416-D Rev 07 3 May 2002) | |
6 | * by D. Gilbert and aeb (20020609) | |
655ee63c | 7 | * Updated to SPC-4 T10/1713-D Rev 36g, D. Gilbert 20130701 |
1da177e4 LT |
8 | */ |
9 | ||
1da177e4 LT |
10 | #include <linux/blkdev.h> |
11 | #include <linux/module.h> | |
12 | #include <linux/kernel.h> | |
13 | ||
14 | #include <scsi/scsi.h> | |
beb40487 | 15 | #include <scsi/scsi_cmnd.h> |
1da177e4 LT |
16 | #include <scsi/scsi_device.h> |
17 | #include <scsi/scsi_host.h> | |
1da177e4 | 18 | #include <scsi/scsi_eh.h> |
de540a53 | 19 | #include <scsi/scsi_dbg.h> |
1da177e4 | 20 | |
1da177e4 | 21 | /* Commands with service actions that change the command name */ |
655ee63c DG |
22 | #define THIRD_PARTY_COPY_OUT 0x83 |
23 | #define THIRD_PARTY_COPY_IN 0x84 | |
1da177e4 | 24 | |
234d6778 HR |
25 | struct sa_name_list { |
26 | int opcode; | |
27 | const struct value_name_pair *arr; | |
28 | int arr_sz; | |
29 | }; | |
30 | ||
31 | struct value_name_pair { | |
32 | int value; | |
33 | const char * name; | |
34 | }; | |
1da177e4 | 35 | |
1da177e4 LT |
36 | static const char * cdb_byte0_names[] = { |
37 | /* 00-03 */ "Test Unit Ready", "Rezero Unit/Rewind", NULL, "Request Sense", | |
38 | /* 04-07 */ "Format Unit/Medium", "Read Block Limits", NULL, | |
70f23fd6 | 39 | "Reassign Blocks", |
a507c6a2 | 40 | /* 08-0d */ "Read(6)", NULL, "Write(6)", "Seek(6)", NULL, NULL, |
655ee63c | 41 | /* 0e-12 */ NULL, "Read Reverse", "Write Filemarks", "Space", "Inquiry", |
a507c6a2 DG |
42 | /* 13-16 */ "Verify(6)", "Recover Buffered Data", "Mode Select(6)", |
43 | "Reserve(6)", | |
44 | /* 17-1a */ "Release(6)", "Copy", "Erase", "Mode Sense(6)", | |
655ee63c | 45 | /* 1b-1d */ "Start/Stop Unit", "Receive Diagnostic", "Send Diagnostic", |
1da177e4 LT |
46 | /* 1e-1f */ "Prevent/Allow Medium Removal", NULL, |
47 | /* 20-22 */ NULL, NULL, NULL, | |
48 | /* 23-28 */ "Read Format Capacities", "Set Window", | |
a507c6a2 DG |
49 | "Read Capacity(10)", NULL, NULL, "Read(10)", |
50 | /* 29-2d */ "Read Generation", "Write(10)", "Seek(10)", "Erase(10)", | |
51 | "Read updated block", | |
52 | /* 2e-31 */ "Write Verify(10)", "Verify(10)", "Search High", "Search Equal", | |
655ee63c | 53 | /* 32-34 */ "Search Low", "Set Limits", "Prefetch/Read Position", |
a507c6a2 | 54 | /* 35-37 */ "Synchronize Cache(10)", "Lock/Unlock Cache(10)", |
655ee63c DG |
55 | "Read Defect Data(10)", |
56 | /* 38-3c */ "Medium Scan", "Compare", "Copy Verify", "Write Buffer", | |
57 | "Read Buffer", | |
a507c6a2 DG |
58 | /* 3d-3f */ "Update Block", "Read Long(10)", "Write Long(10)", |
59 | /* 40-41 */ "Change Definition", "Write Same(10)", | |
b4567ca6 DG |
60 | /* 42-48 */ "Unmap/Read sub-channel", "Read TOC/PMA/ATIP", |
61 | "Read density support", "Play audio(10)", "Get configuration", | |
655ee63c | 62 | "Play audio msf", "Sanitize/Play audio track/index", |
a507c6a2 | 63 | /* 49-4f */ "Play track relative(10)", "Get event status notification", |
1da177e4 LT |
64 | "Pause/resume", "Log Select", "Log Sense", "Stop play/scan", |
65 | NULL, | |
66 | /* 50-55 */ "Xdwrite", "Xpwrite, Read disk info", "Xdread, Read track info", | |
a507c6a2 DG |
67 | "Reserve track", "Send OPC info", "Mode Select(10)", |
68 | /* 56-5b */ "Reserve(10)", "Release(10)", "Repair track", "Read master cue", | |
69 | "Mode Sense(10)", "Close track/session", | |
1da177e4 LT |
70 | /* 5c-5f */ "Read buffer capacity", "Send cue sheet", "Persistent reserve in", |
71 | "Persistent reserve out", | |
72 | /* 60-67 */ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
73 | /* 68-6f */ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
74 | /* 70-77 */ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
b4567ca6 DG |
75 | /* 78-7f */ NULL, NULL, NULL, NULL, NULL, NULL, "Extended CDB", |
76 | "Variable length", | |
655ee63c DG |
77 | /* 80-84 */ "Xdwrite(16)", "Rebuild(16)", "Regenerate(16)", |
78 | "Third party copy out", "Third party copy in", | |
a507c6a2 | 79 | /* 85-89 */ "ATA command pass through(16)", "Access control in", |
655ee63c | 80 | "Access control out", "Read(16)", "Compare and Write", |
b4567ca6 | 81 | /* 8a-8f */ "Write(16)", "ORWrite", "Read attributes", "Write attributes", |
a507c6a2 DG |
82 | "Write and verify(16)", "Verify(16)", |
83 | /* 90-94 */ "Pre-fetch(16)", "Synchronize cache(16)", | |
84 | "Lock/unlock cache(16)", "Write same(16)", NULL, | |
1da177e4 | 85 | /* 95-99 */ NULL, NULL, NULL, NULL, NULL, |
655ee63c DG |
86 | /* 9a-9f */ NULL, NULL, NULL, "Service action bidirectional", |
87 | "Service action in(16)", "Service action out(16)", | |
a507c6a2 DG |
88 | /* a0-a5 */ "Report luns", "ATA command pass through(12)/Blank", |
89 | "Security protocol in", "Maintenance in", "Maintenance out", | |
90 | "Move medium/play audio(12)", | |
1da177e4 LT |
91 | /* a6-a9 */ "Exchange medium", "Move medium attached", "Read(12)", |
92 | "Play track relative(12)", | |
93 | /* aa-ae */ "Write(12)", NULL, "Erase(12), Get Performance", | |
94 | "Read DVD structure", "Write and verify(12)", | |
95 | /* af-b1 */ "Verify(12)", "Search data high(12)", "Search data equal(12)", | |
96 | /* b2-b4 */ "Search data low(12)", "Set limits(12)", | |
97 | "Read element status attached", | |
a507c6a2 | 98 | /* b5-b6 */ "Security protocol out", "Send volume tag, set streaming", |
1da177e4 LT |
99 | /* b7-b9 */ "Read defect data(12)", "Read element status", "Read CD msf", |
100 | /* ba-bc */ "Redundancy group (in), Scan", | |
a507c6a2 DG |
101 | "Redundancy group (out), Set cd-rom speed", "Spare (in), Play cd", |
102 | /* bd-bf */ "Spare (out), Mechanism status", "Volume set (in), Read cd", | |
103 | "Volume set (out), Send DVD structure", | |
1da177e4 LT |
104 | }; |
105 | ||
1da177e4 | 106 | static const struct value_name_pair maint_in_arr[] = { |
b4567ca6 | 107 | {0x5, "Report identifying information"}, |
1da177e4 LT |
108 | {0xa, "Report target port groups"}, |
109 | {0xb, "Report aliases"}, | |
110 | {0xc, "Report supported operation codes"}, | |
111 | {0xd, "Report supported task management functions"}, | |
112 | {0xe, "Report priority"}, | |
a507c6a2 | 113 | {0xf, "Report timestamp"}, |
b4567ca6 | 114 | {0x10, "Management protocol in"}, |
1da177e4 | 115 | }; |
6391a113 | 116 | #define MAINT_IN_SZ ARRAY_SIZE(maint_in_arr) |
1da177e4 LT |
117 | |
118 | static const struct value_name_pair maint_out_arr[] = { | |
b4567ca6 | 119 | {0x6, "Set identifying information"}, |
1da177e4 LT |
120 | {0xa, "Set target port groups"}, |
121 | {0xb, "Change aliases"}, | |
655ee63c | 122 | {0xc, "Remove I_T nexus"}, |
1da177e4 | 123 | {0xe, "Set priority"}, |
b4567ca6 DG |
124 | {0xf, "Set timestamp"}, |
125 | {0x10, "Management protocol out"}, | |
1da177e4 | 126 | }; |
6391a113 | 127 | #define MAINT_OUT_SZ ARRAY_SIZE(maint_out_arr) |
1da177e4 LT |
128 | |
129 | static const struct value_name_pair serv_in12_arr[] = { | |
130 | {0x1, "Read media serial number"}, | |
131 | }; | |
6391a113 | 132 | #define SERV_IN12_SZ ARRAY_SIZE(serv_in12_arr) |
1da177e4 LT |
133 | |
134 | static const struct value_name_pair serv_out12_arr[] = { | |
135 | {-1, "dummy entry"}, | |
136 | }; | |
6391a113 | 137 | #define SERV_OUT12_SZ ARRAY_SIZE(serv_out12_arr) |
1da177e4 | 138 | |
655ee63c DG |
139 | static const struct value_name_pair serv_bidi_arr[] = { |
140 | {-1, "dummy entry"}, | |
141 | }; | |
142 | #define SERV_BIDI_SZ ARRAY_SIZE(serv_bidi_arr) | |
143 | ||
1da177e4 LT |
144 | static const struct value_name_pair serv_in16_arr[] = { |
145 | {0x10, "Read capacity(16)"}, | |
146 | {0x11, "Read long(16)"}, | |
f57e4502 | 147 | {0x12, "Get LBA status"}, |
655ee63c | 148 | {0x13, "Report referrals"}, |
1da177e4 | 149 | }; |
6391a113 | 150 | #define SERV_IN16_SZ ARRAY_SIZE(serv_in16_arr) |
1da177e4 LT |
151 | |
152 | static const struct value_name_pair serv_out16_arr[] = { | |
153 | {0x11, "Write long(16)"}, | |
154 | {0x1f, "Notify data transfer device(16)"}, | |
155 | }; | |
6391a113 | 156 | #define SERV_OUT16_SZ ARRAY_SIZE(serv_out16_arr) |
1da177e4 | 157 | |
655ee63c DG |
158 | static const struct value_name_pair pr_in_arr[] = { |
159 | {0x0, "Persistent reserve in, read keys"}, | |
160 | {0x1, "Persistent reserve in, read reservation"}, | |
161 | {0x2, "Persistent reserve in, report capabilities"}, | |
162 | {0x3, "Persistent reserve in, read full status"}, | |
163 | }; | |
164 | #define PR_IN_SZ ARRAY_SIZE(pr_in_arr) | |
165 | ||
166 | static const struct value_name_pair pr_out_arr[] = { | |
167 | {0x0, "Persistent reserve out, register"}, | |
168 | {0x1, "Persistent reserve out, reserve"}, | |
169 | {0x2, "Persistent reserve out, release"}, | |
170 | {0x3, "Persistent reserve out, clear"}, | |
171 | {0x4, "Persistent reserve out, preempt"}, | |
172 | {0x5, "Persistent reserve out, preempt and abort"}, | |
173 | {0x6, "Persistent reserve out, register and ignore existing key"}, | |
174 | {0x7, "Persistent reserve out, register and move"}, | |
175 | }; | |
176 | #define PR_OUT_SZ ARRAY_SIZE(pr_out_arr) | |
177 | ||
178 | /* SPC-4 rev 34 renamed the Extended Copy opcode to Third Party Copy Out. | |
179 | LID1 (List Identifier length: 1 byte) is the Extended Copy found in SPC-2 | |
180 | and SPC-3 */ | |
181 | static const struct value_name_pair tpc_out_arr[] = { | |
182 | {0x0, "Extended copy(LID1)"}, | |
183 | {0x1, "Extended copy(LID4)"}, | |
184 | {0x10, "Populate token"}, | |
185 | {0x11, "Write using token"}, | |
186 | {0x1c, "Copy operation abort"}, | |
187 | }; | |
188 | #define TPC_OUT_SZ ARRAY_SIZE(tpc_out_arr) | |
189 | ||
190 | static const struct value_name_pair tpc_in_arr[] = { | |
191 | {0x0, "Receive copy status(LID1)"}, | |
192 | {0x1, "Receive copy data(LID1)"}, | |
193 | {0x3, "Receive copy operating parameters"}, | |
194 | {0x4, "Receive copy failure details(LID1)"}, | |
195 | {0x5, "Receive copy status(LID4)"}, | |
196 | {0x6, "Receive copy data(LID4)"}, | |
197 | {0x7, "Receive ROD token information"}, | |
198 | {0x8, "Report all ROD tokens"}, | |
199 | }; | |
200 | #define TPC_IN_SZ ARRAY_SIZE(tpc_in_arr) | |
201 | ||
202 | ||
1da177e4 LT |
203 | static const struct value_name_pair variable_length_arr[] = { |
204 | {0x1, "Rebuild(32)"}, | |
205 | {0x2, "Regenerate(32)"}, | |
206 | {0x3, "Xdread(32)"}, | |
207 | {0x4, "Xdwrite(32)"}, | |
208 | {0x5, "Xdwrite extended(32)"}, | |
209 | {0x6, "Xpwrite(32)"}, | |
210 | {0x7, "Xdwriteread(32)"}, | |
211 | {0x8, "Xdwrite extended(64)"}, | |
212 | {0x9, "Read(32)"}, | |
213 | {0xa, "Verify(32)"}, | |
214 | {0xb, "Write(32)"}, | |
215 | {0xc, "Write an verify(32)"}, | |
216 | {0xd, "Write same(32)"}, | |
217 | {0x8801, "Format OSD"}, | |
218 | {0x8802, "Create (osd)"}, | |
219 | {0x8803, "List (osd)"}, | |
220 | {0x8805, "Read (osd)"}, | |
221 | {0x8806, "Write (osd)"}, | |
222 | {0x8807, "Append (osd)"}, | |
223 | {0x8808, "Flush (osd)"}, | |
224 | {0x880a, "Remove (osd)"}, | |
225 | {0x880b, "Create partition (osd)"}, | |
226 | {0x880c, "Remove partition (osd)"}, | |
227 | {0x880e, "Get attributes (osd)"}, | |
228 | {0x880f, "Set attributes (osd)"}, | |
229 | {0x8812, "Create and write (osd)"}, | |
230 | {0x8815, "Create collection (osd)"}, | |
231 | {0x8816, "Remove collection (osd)"}, | |
232 | {0x8817, "List collection (osd)"}, | |
233 | {0x8818, "Set key (osd)"}, | |
234 | {0x8819, "Set master key (osd)"}, | |
235 | {0x881a, "Flush collection (osd)"}, | |
236 | {0x881b, "Flush partition (osd)"}, | |
237 | {0x881c, "Flush OSD"}, | |
238 | {0x8f7e, "Perform SCSI command (osd)"}, | |
239 | {0x8f7f, "Perform task management function (osd)"}, | |
240 | }; | |
6391a113 | 241 | #define VARIABLE_LENGTH_SZ ARRAY_SIZE(variable_length_arr) |
1da177e4 | 242 | |
6033f979 HR |
243 | static struct sa_name_list sa_names_arr[] = { |
244 | {VARIABLE_LENGTH_CMD, variable_length_arr, VARIABLE_LENGTH_SZ}, | |
245 | {MAINTENANCE_IN, maint_in_arr, MAINT_IN_SZ}, | |
246 | {MAINTENANCE_OUT, maint_out_arr, MAINT_OUT_SZ}, | |
247 | {PERSISTENT_RESERVE_IN, pr_in_arr, PR_IN_SZ}, | |
248 | {PERSISTENT_RESERVE_OUT, pr_out_arr, PR_OUT_SZ}, | |
249 | {SERVICE_ACTION_IN_12, serv_in12_arr, SERV_IN12_SZ}, | |
250 | {SERVICE_ACTION_OUT_12, serv_out12_arr, SERV_OUT12_SZ}, | |
251 | {SERVICE_ACTION_BIDIRECTIONAL, serv_bidi_arr, SERV_BIDI_SZ}, | |
252 | {SERVICE_ACTION_IN_16, serv_in16_arr, SERV_IN16_SZ}, | |
253 | {SERVICE_ACTION_OUT_16, serv_out16_arr, SERV_OUT16_SZ}, | |
254 | {THIRD_PARTY_COPY_IN, tpc_in_arr, TPC_IN_SZ}, | |
255 | {THIRD_PARTY_COPY_OUT, tpc_out_arr, TPC_OUT_SZ}, | |
256 | {0, NULL, 0}, | |
257 | }; | |
258 | ||
9e5ed2a5 HR |
259 | bool scsi_opcode_sa_name(int opcode, int service_action, |
260 | const char **cdb_name, const char **sa_name) | |
1da177e4 | 261 | { |
6033f979 HR |
262 | struct sa_name_list *sa_name_ptr; |
263 | const struct value_name_pair *arr = NULL; | |
264 | int arr_sz, k; | |
265 | ||
2478a736 HR |
266 | *cdb_name = NULL; |
267 | if (opcode >= VENDOR_SPECIFIC_CDB) | |
268 | return false; | |
269 | ||
270 | if (opcode < ARRAY_SIZE(cdb_byte0_names)) | |
271 | *cdb_name = cdb_byte0_names[opcode]; | |
272 | ||
6033f979 HR |
273 | for (sa_name_ptr = sa_names_arr; sa_name_ptr->arr; ++sa_name_ptr) { |
274 | if (sa_name_ptr->opcode == opcode) { | |
275 | arr = sa_name_ptr->arr; | |
276 | arr_sz = sa_name_ptr->arr_sz; | |
277 | break; | |
278 | } | |
279 | } | |
280 | if (!arr) | |
281 | return false; | |
1da177e4 LT |
282 | |
283 | for (k = 0; k < arr_sz; ++k, ++arr) { | |
284 | if (service_action == arr->value) | |
285 | break; | |
286 | } | |
6033f979 HR |
287 | if (k < arr_sz) |
288 | *sa_name = arr->name; | |
289 | ||
290 | return true; | |
1da177e4 LT |
291 | } |
292 | ||
1da177e4 LT |
293 | struct error_info { |
294 | unsigned short code12; /* 0x0302 looks better than 0x03,0x02 */ | |
e1f0bce3 | 295 | unsigned short size; |
1da177e4 LT |
296 | }; |
297 | ||
e1f0bce3 RV |
298 | /* |
299 | * There are 700+ entries in this table. To save space, we don't store | |
300 | * (code, pointer) pairs, which would make sizeof(struct | |
301 | * error_info)==16 on 64 bits. Rather, the second element just stores | |
302 | * the size (including \0) of the corresponding string, and we use the | |
303 | * sum of these to get the appropriate offset into additional_text | |
304 | * defined below. This approach saves 12 bytes per entry. | |
305 | */ | |
62d42a62 | 306 | static const struct error_info additional[] = |
1da177e4 | 307 | { |
e1f0bce3 | 308 | #define SENSE_CODE(c, s) {c, sizeof(s)}, |
9d99a2e3 RV |
309 | #include "sense_codes.h" |
310 | #undef SENSE_CODE | |
1da177e4 LT |
311 | }; |
312 | ||
e1f0bce3 RV |
313 | static const char *additional_text = |
314 | #define SENSE_CODE(c, s) s "\0" | |
315 | #include "sense_codes.h" | |
316 | #undef SENSE_CODE | |
317 | ; | |
318 | ||
1da177e4 LT |
319 | struct error_info2 { |
320 | unsigned char code1, code2_min, code2_max; | |
d811b848 | 321 | const char * str; |
1da177e4 LT |
322 | const char * fmt; |
323 | }; | |
324 | ||
0ad78200 | 325 | static const struct error_info2 additional2[] = |
1da177e4 | 326 | { |
d811b848 HR |
327 | {0x40, 0x00, 0x7f, "Ram failure", ""}, |
328 | {0x40, 0x80, 0xff, "Diagnostic failure on component", ""}, | |
329 | {0x41, 0x00, 0xff, "Data path failure", ""}, | |
330 | {0x42, 0x00, 0xff, "Power-on or self-test failure", ""}, | |
331 | {0x4D, 0x00, 0xff, "Tagged overlapped commands", "task tag "}, | |
332 | {0x70, 0x00, 0xff, "Decompression exception", "short algorithm id of "}, | |
333 | {0, 0, 0, NULL, NULL} | |
1da177e4 LT |
334 | }; |
335 | ||
336 | /* description of the sense key values */ | |
0ad78200 | 337 | static const char * const snstext[] = { |
1da177e4 LT |
338 | "No Sense", /* 0: There is no sense information */ |
339 | "Recovered Error", /* 1: The last command completed successfully | |
340 | but used error correction */ | |
341 | "Not Ready", /* 2: The addressed target is not ready */ | |
342 | "Medium Error", /* 3: Data error detected on the medium */ | |
343 | "Hardware Error", /* 4: Controller or device failure */ | |
344 | "Illegal Request", /* 5: Error in request */ | |
345 | "Unit Attention", /* 6: Removable medium was changed, or | |
346 | the target has been reset, or ... */ | |
347 | "Data Protect", /* 7: Access to the data is blocked */ | |
348 | "Blank Check", /* 8: Reached unexpected written or unwritten | |
349 | region of the medium */ | |
350 | "Vendor Specific(9)", | |
351 | "Copy Aborted", /* A: COPY or COMPARE was aborted */ | |
352 | "Aborted Command", /* B: The target aborted the command */ | |
655ee63c DG |
353 | "Equal", /* C: A SEARCH DATA command found data equal, |
354 | reserved in SPC-4 rev 36 */ | |
1da177e4 LT |
355 | "Volume Overflow", /* D: Medium full with still data to be written */ |
356 | "Miscompare", /* E: Source data and data on the medium | |
357 | do not agree */ | |
655ee63c DG |
358 | "Completed", /* F: command completed sense data reported, |
359 | may occur for successful command */ | |
1da177e4 | 360 | }; |
1da177e4 LT |
361 | |
362 | /* Get sense key string or NULL if not available */ | |
363 | const char * | |
364 | scsi_sense_key_string(unsigned char key) { | |
1da177e4 LT |
365 | if (key <= 0xE) |
366 | return snstext[key]; | |
1da177e4 LT |
367 | return NULL; |
368 | } | |
369 | EXPORT_SYMBOL(scsi_sense_key_string); | |
370 | ||
371 | /* | |
372 | * Get additional sense code string or NULL if not available. | |
373 | * This string may contain a "%x" and should be printed with ascq as arg. | |
374 | */ | |
375 | const char * | |
d811b848 HR |
376 | scsi_extd_sense_format(unsigned char asc, unsigned char ascq, const char **fmt) |
377 | { | |
1da177e4 LT |
378 | int i; |
379 | unsigned short code = ((asc << 8) | ascq); | |
e1f0bce3 | 380 | unsigned offset = 0; |
1da177e4 | 381 | |
249b15ba | 382 | *fmt = NULL; |
e1f0bce3 | 383 | for (i = 0; i < ARRAY_SIZE(additional); i++) { |
1da177e4 | 384 | if (additional[i].code12 == code) |
e1f0bce3 RV |
385 | return additional_text + offset; |
386 | offset += additional[i].size; | |
387 | } | |
b4567ca6 | 388 | for (i = 0; additional2[i].fmt; i++) { |
1da177e4 | 389 | if (additional2[i].code1 == asc && |
b4567ca6 | 390 | ascq >= additional2[i].code2_min && |
d811b848 HR |
391 | ascq <= additional2[i].code2_max) { |
392 | *fmt = additional2[i].fmt; | |
393 | return additional2[i].str; | |
394 | } | |
b4567ca6 | 395 | } |
1da177e4 LT |
396 | return NULL; |
397 | } | |
398 | EXPORT_SYMBOL(scsi_extd_sense_format); | |
399 | ||
0ad78200 | 400 | static const char * const hostbyte_table[]={ |
6391a113 | 401 | "DID_OK", "DID_NO_CONNECT", "DID_BUS_BUSY", "DID_TIME_OUT", "DID_BAD_TARGET", |
1da177e4 | 402 | "DID_ABORT", "DID_PARITY", "DID_ERROR", "DID_RESET", "DID_BAD_INTR", |
a4dfaa6f | 403 | "DID_PASSTHROUGH", "DID_SOFT_ERROR", "DID_IMM_RETRY", "DID_REQUEUE", |
f1ba8a4f MB |
404 | "DID_TRANSPORT_DISRUPTED", "DID_TRANSPORT_FAILFAST", "DID_TARGET_FAILURE", |
405 | "DID_NEXUS_FAILURE" }; | |
1da177e4 | 406 | |
0ad78200 | 407 | static const char * const driverbyte_table[]={ |
6391a113 | 408 | "DRIVER_OK", "DRIVER_BUSY", "DRIVER_SOFT", "DRIVER_MEDIA", "DRIVER_ERROR", |
1da177e4 | 409 | "DRIVER_INVALID", "DRIVER_TIMEOUT", "DRIVER_HARD", "DRIVER_SENSE"}; |
1da177e4 | 410 | |
3cc958cc | 411 | const char *scsi_hostbyte_string(int result) |
1da177e4 | 412 | { |
3cc958cc | 413 | const char *hb_string = NULL; |
684b7fe9 | 414 | int hb = host_byte(result); |
1da177e4 | 415 | |
3cc958cc HR |
416 | if (hb < ARRAY_SIZE(hostbyte_table)) |
417 | hb_string = hostbyte_table[hb]; | |
3cc958cc | 418 | return hb_string; |
1da177e4 | 419 | } |
3cc958cc | 420 | EXPORT_SYMBOL(scsi_hostbyte_string); |
684b7fe9 | 421 | |
3cc958cc HR |
422 | const char *scsi_driverbyte_string(int result) |
423 | { | |
424 | const char *db_string = NULL; | |
3cc958cc HR |
425 | int db = driver_byte(result); |
426 | ||
427 | if (db < ARRAY_SIZE(driverbyte_table)) | |
428 | db_string = driverbyte_table[db]; | |
3cc958cc HR |
429 | return db_string; |
430 | } | |
431 | EXPORT_SYMBOL(scsi_driverbyte_string); | |
684b7fe9 | 432 | |
c11c004b HR |
433 | #define scsi_mlreturn_name(result) { result, #result } |
434 | static const struct value_name_pair scsi_mlreturn_arr[] = { | |
435 | scsi_mlreturn_name(NEEDS_RETRY), | |
436 | scsi_mlreturn_name(SUCCESS), | |
437 | scsi_mlreturn_name(FAILED), | |
438 | scsi_mlreturn_name(QUEUED), | |
439 | scsi_mlreturn_name(SOFT_ERROR), | |
440 | scsi_mlreturn_name(ADD_TO_MLQUEUE), | |
441 | scsi_mlreturn_name(TIMEOUT_ERROR), | |
442 | scsi_mlreturn_name(SCSI_RETURN_NOT_HANDLED), | |
443 | scsi_mlreturn_name(FAST_IO_FAIL) | |
444 | }; | |
c11c004b HR |
445 | |
446 | const char *scsi_mlreturn_string(int result) | |
447 | { | |
c11c004b HR |
448 | const struct value_name_pair *arr = scsi_mlreturn_arr; |
449 | int k; | |
450 | ||
451 | for (k = 0; k < ARRAY_SIZE(scsi_mlreturn_arr); ++k, ++arr) { | |
452 | if (result == arr->value) | |
453 | return arr->name; | |
454 | } | |
c11c004b HR |
455 | return NULL; |
456 | } | |
457 | EXPORT_SYMBOL(scsi_mlreturn_string); |