scsi_base.c revision 1.47 1 /* $NetBSD: scsi_base.c,v 1.47 1997/08/27 11:26:32 bouyer Exp $ */
2
3 /*
4 * Copyright (c) 1994, 1995, 1997 Charles M. Hannum. All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. All advertising materials mentioning features or use of this software
15 * must display the following acknowledgement:
16 * This product includes software developed by Charles M. Hannum.
17 * 4. The name of the author may not be used to endorse or promote products
18 * derived from this software without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
21 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
22 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
23 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
25 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
29 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 */
31
32 /*
33 * Originally written by Julian Elischer (julian (at) dialix.oz.au)
34 */
35
36 #include <sys/types.h>
37 #include <sys/param.h>
38 #include <sys/systm.h>
39 #include <sys/kernel.h>
40 #include <sys/buf.h>
41 #include <sys/uio.h>
42 #include <sys/malloc.h>
43 #include <sys/errno.h>
44 #include <sys/device.h>
45 #include <sys/proc.h>
46
47 #include <dev/scsipi/scsipi_all.h>
48 #include <dev/scsipi/scsi_all.h>
49 #include <dev/scsipi/scsi_disk.h>
50 #include <dev/scsipi/scsiconf.h>
51 #include <dev/scsipi/scsipi_base.h>
52
53 #ifdef SCSIVERBOSE
54 char *scsi_decode_sense __P((void *, int));
55 #endif
56
57 /*
58 * Do a scsi operation, asking a device to run as SCSI-II if it can.
59 */
60 int
61 scsi_change_def(sc_link, flags)
62 struct scsipi_link *sc_link;
63 int flags;
64 {
65 struct scsi_changedef scsipi_cmd;
66
67 bzero(&scsipi_cmd, sizeof(scsipi_cmd));
68 scsipi_cmd.opcode = SCSI_CHANGE_DEFINITION;
69 scsipi_cmd.how = SC_SCSI_2;
70
71 return sc_link->scsipi_cmd(sc_link, (struct scsipi_generic *) &scsipi_cmd,
72 sizeof(scsipi_cmd), 0, 0, 2, 100000, NULL, flags);
73 }
74
75 /*
76 * ask the scsi driver to perform a command for us.
77 * tell it where to read/write the data, and how
78 * long the data is supposed to be. If we have a buf
79 * to associate with the transfer, we need that too.
80 */
81 int
82 scsi_scsipi_cmd(sc_link, scsipi_cmd, cmdlen, data_addr, datalen,
83 retries, timeout, bp, flags)
84 struct scsipi_link *sc_link;
85 struct scsipi_generic *scsipi_cmd;
86 int cmdlen;
87 u_char *data_addr;
88 int datalen;
89 int retries;
90 int timeout;
91 struct buf *bp;
92 int flags;
93 {
94 struct scsipi_xfer *xs;
95 int error;
96
97 SC_DEBUG(sc_link, SDEV_DB2, ("scsi_scsipi_cmd\n"));
98
99 #ifdef DIAGNOSTIC
100 if (bp != 0 && (flags & SCSI_NOSLEEP) == 0)
101 panic("scsi_scsipi_cmd: buffer without nosleep");
102 #endif
103
104 if ((xs = scsipi_make_xs(sc_link, scsipi_cmd, cmdlen, data_addr, datalen,
105 retries, timeout, bp, flags)) == NULL)
106 return ENOMEM;
107
108 if ((error = scsipi_execute_xs(xs)) == EJUSTRETURN)
109 return 0;
110
111 /*
112 * we have finished with the xfer stuct, free it and
113 * check if anyone else needs to be started up.
114 */
115 scsipi_free_xs(xs, flags);
116 return error;
117 }
118
119 /*
120 * Look at the returned sense and act on the error, determining
121 * the unix error number to pass back. (0 = report no error)
122 *
123 * THIS IS THE DEFAULT ERROR HANDLER FOR SCSI DEVICES
124 */
125 int
126 scsi_interpret_sense(xs)
127 struct scsipi_xfer *xs;
128 {
129 struct scsipi_sense_data *sense;
130 struct scsipi_link *sc_link = xs->sc_link;
131 u_int8_t key;
132 u_int32_t info;
133 int error;
134 #ifndef SCSIVERBOSE
135 static char *error_mes[] = {
136 "soft error (corrected)",
137 "not ready", "medium error",
138 "non-media hardware failure", "illegal request",
139 "unit attention", "readonly device",
140 "no data found", "vendor unique",
141 "copy aborted", "command aborted",
142 "search returned equal", "volume overflow",
143 "verify miscompare", "unknown error key"
144 };
145 #endif
146
147 sense = &xs->sense.scsi_sense;
148 #ifdef SCSIDEBUG
149 if ((sc_link->flags & SDEV_DB1) != 0) {
150 int count;
151 printf("code 0x%x valid 0x%x ",
152 sense->error_code & SSD_ERRCODE,
153 sense->error_code & SSD_ERRCODE_VALID ? 1 : 0);
154 printf("seg 0x%x key 0x%x ili 0x%x eom 0x%x fmark 0x%x\n",
155 sense->segment,
156 sense->flags & SSD_KEY,
157 sense->flags & SSD_ILI ? 1 : 0,
158 sense->flags & SSD_EOM ? 1 : 0,
159 sense->flags & SSD_FILEMARK ? 1 : 0);
160 printf("info: 0x%x 0x%x 0x%x 0x%x followed by %d extra bytes\n",
161 sense->info[0],
162 sense->info[1],
163 sense->info[2],
164 sense->info[3],
165 sense->extra_len);
166 printf("extra: ");
167 for (count = 0; count < sense->extra_len; count++)
168 printf("0x%x ", sense->extra_bytes[count]);
169 printf("\n");
170 }
171 #endif /* SCSIDEBUG */
172 /*
173 * If the device has it's own error handler, call it first.
174 * If it returns a legit error value, return that, otherwise
175 * it wants us to continue with normal error processing.
176 */
177 if (sc_link->device->err_handler) {
178 SC_DEBUG(sc_link, SDEV_DB2, ("calling private err_handler()\n"));
179 error = (*sc_link->device->err_handler) (xs);
180 if (error != -1)
181 return error; /* error >= 0 better ? */
182 }
183 /* otherwise use the default */
184 switch (sense->error_code & SSD_ERRCODE) {
185 /*
186 * If it's code 70, use the extended stuff and interpret the key
187 */
188 case 0x71: /* delayed error */
189 sc_link->sc_print_addr(sc_link);
190 key = sense->flags & SSD_KEY;
191 printf(" DEFERRED ERROR, key = 0x%x\n", key);
192 /* FALLTHROUGH */
193 case 0x70:
194 if ((sense->error_code & SSD_ERRCODE_VALID) != 0)
195 info = _4btol(sense->info);
196 else
197 info = 0;
198 key = sense->flags & SSD_KEY;
199
200 switch (key) {
201 case 0x0: /* NO SENSE */
202 case 0x1: /* RECOVERED ERROR */
203 if (xs->resid == xs->datalen)
204 xs->resid = 0; /* not short read */
205 case 0xc: /* EQUAL */
206 error = 0;
207 break;
208 case 0x2: /* NOT READY */
209 if ((sc_link->flags & SDEV_REMOVABLE) != 0)
210 sc_link->flags &= ~SDEV_MEDIA_LOADED;
211 if ((xs->flags & SCSI_IGNORE_NOT_READY) != 0)
212 return 0;
213 if ((xs->flags & SCSI_SILENT) != 0)
214 return EIO;
215 error = EIO;
216 break;
217 case 0x5: /* ILLEGAL REQUEST */
218 if ((xs->flags & SCSI_IGNORE_ILLEGAL_REQUEST) != 0)
219 return 0;
220 if ((xs->flags & SCSI_SILENT) != 0)
221 return EIO;
222 error = EINVAL;
223 break;
224 case 0x6: /* UNIT ATTENTION */
225 if ((sc_link->flags & SDEV_REMOVABLE) != 0)
226 sc_link->flags &= ~SDEV_MEDIA_LOADED;
227 if ((xs->flags & SCSI_IGNORE_MEDIA_CHANGE) != 0 ||
228 /* XXX Should reupload any transient state. */
229 (sc_link->flags & SDEV_REMOVABLE) == 0)
230 return ERESTART;
231 if ((xs->flags & SCSI_SILENT) != 0)
232 return EIO;
233 error = EIO;
234 break;
235 case 0x7: /* DATA PROTECT */
236 error = EACCES;
237 break;
238 case 0x8: /* BLANK CHECK */
239 error = 0;
240 break;
241 case 0xb: /* COMMAND ABORTED */
242 error = ERESTART;
243 break;
244 case 0xd: /* VOLUME OVERFLOW */
245 error = ENOSPC;
246 break;
247 default:
248 error = EIO;
249 break;
250 }
251
252 #ifdef SCSIVERBOSE
253 scsi_print_sense(xs, 0);
254 #else
255 if (key) {
256 sc_link->sc_print_addr(sc_link);
257 printf("%s", error_mes[key - 1]);
258 if ((sense->error_code & SSD_ERRCODE_VALID) != 0) {
259 switch (key) {
260 case 0x2: /* NOT READY */
261 case 0x5: /* ILLEGAL REQUEST */
262 case 0x6: /* UNIT ATTENTION */
263 case 0x7: /* DATA PROTECT */
264 break;
265 case 0x8: /* BLANK CHECK */
266 printf(", requested size: %d (decimal)",
267 info);
268 break;
269 case 0xb:
270 if (xs->retries)
271 printf(", retrying");
272 printf(", cmd 0x%x, info 0x%x",
273 xs->cmd->opcode, info);
274 break;
275 default:
276 printf(", info = %d (decimal)", info);
277 }
278 }
279 if (sense->extra_len != 0) {
280 int n;
281 printf(", data =");
282 for (n = 0; n < sense->extra_len; n++)
283 printf(" %02x", sense->cmd_spec_info[n]);
284 }
285 printf("\n");
286 }
287 #endif
288 return error;
289
290 /*
291 * Not code 70, just report it
292 */
293 default:
294 sc_link->sc_print_addr(sc_link);
295 printf("error code %d",
296 sense->error_code & SSD_ERRCODE);
297 if ((sense->error_code & SSD_ERRCODE_VALID) != 0) {
298 struct scsipi_sense_data_unextended *usense =
299 (struct scsipi_sense_data_unextended *)sense;
300 printf(" at block no. %d (decimal)",
301 _3btol(usense->block));
302 }
303 printf("\n");
304 return EIO;
305 }
306 }
307
308 /*
309 * Utility routines often used in SCSI stuff
310 */
311
312
313 /*
314 * Print out the scsi_link structure's address info.
315 */
316 void
317 scsi_print_addr(sc_link)
318 struct scsipi_link *sc_link;
319 {
320
321 printf("%s(%s:%d:%d): ",
322 sc_link->device_softc ?
323 ((struct device *)sc_link->device_softc)->dv_xname : "probe",
324 ((struct device *)sc_link->adapter_softc)->dv_xname,
325 sc_link->scsipi_scsi.target, sc_link->scsipi_scsi.lun);
326 }
327
328 #ifdef SCSIVERBOSE
329 static const char *sense_keys[16] = {
330 "No Additional Sense",
331 "Soft Error",
332 "Not Ready",
333 "Media Error",
334 "Hardware Error",
335 "Illegal Request",
336 "Unit Attention",
337 "Write Protected",
338 "Blank Check",
339 "Vendor Unique",
340 "Copy Aborted",
341 "Aborted Command",
342 "Equal Error",
343 "Volume Overflow",
344 "Miscompare Error",
345 "Reserved"
346 };
347 static const struct {
348 unsigned char asc;
349 unsigned char ascq;
350 char *description;
351 } adesc[] = {
352 { 0x00, 0x00, "No Additional Sense Information" },
353 { 0x00, 0x01, "Filemark Detected" },
354 { 0x00, 0x02, "End-Of-Partition/Medium Detected" },
355 { 0x00, 0x03, "Setmark Detected" },
356 { 0x00, 0x04, "Beginning-Of-Partition/Medium Detected" },
357 { 0x00, 0x05, "End-Of-Data Detected" },
358 { 0x00, 0x06, "I/O Process Terminated" },
359 { 0x00, 0x11, "Audio Play Operation In Progress" },
360 { 0x00, 0x12, "Audio Play Operation Paused" },
361 { 0x00, 0x13, "Audio Play Operation Successfully Completed" },
362 { 0x00, 0x14, "Audio Play Operation Stopped Due to Error" },
363 { 0x00, 0x15, "No Current Audio Status To Return" },
364 { 0x01, 0x00, "No Index/Sector Signal" },
365 { 0x02, 0x00, "No Seek Complete" },
366 { 0x03, 0x00, "Peripheral Device Write Fault" },
367 { 0x03, 0x01, "No Write Current" },
368 { 0x03, 0x02, "Excessive Write Errors" },
369 { 0x04, 0x00, "Logical Unit Not Ready, Cause Not Reportable" },
370 { 0x04, 0x01, "Logical Unit Is in Process Of Becoming Ready" },
371 { 0x04, 0x02, "Logical Unit Not Ready, Initialization Command Required" },
372 { 0x04, 0x03, "Logical Unit Not Ready, Manual Intervention Required" },
373 { 0x04, 0x04, "Logical Unit Not Ready, Format In Progress" },
374 { 0x05, 0x00, "Logical Unit Does Not Respond To Selection" },
375 { 0x06, 0x00, "No Reference Position Found" },
376 { 0x07, 0x00, "Multiple Peripheral Devices Selected" },
377 { 0x08, 0x00, "Logical Unit Communication Failure" },
378 { 0x08, 0x01, "Logical Unit Communication Timeout" },
379 { 0x08, 0x02, "Logical Unit Communication Parity Error" },
380 { 0x09, 0x00, "Track Following Error" },
381 { 0x09, 0x01, "Tracking Servo Failure" },
382 { 0x09, 0x02, "Focus Servo Failure" },
383 { 0x09, 0x03, "Spindle Servo Failure" },
384 { 0x0A, 0x00, "Error Log Overflow" },
385 { 0x0C, 0x00, "Write Error" },
386 { 0x0C, 0x01, "Write Error Recovered with Auto Reallocation" },
387 { 0x0C, 0x02, "Write Error - Auto Reallocate Failed" },
388 { 0x10, 0x00, "ID CRC Or ECC Error" },
389 { 0x11, 0x00, "Unrecovered Read Error" },
390 { 0x11, 0x01, "Read Retried Exhausted" },
391 { 0x11, 0x02, "Error Too Long To Correct" },
392 { 0x11, 0x03, "Multiple Read Errors" },
393 { 0x11, 0x04, "Unrecovered Read Error - Auto Reallocate Failed" },
394 { 0x11, 0x05, "L-EC Uncorrectable Error" },
395 { 0x11, 0x06, "CIRC Unrecovered Error" },
396 { 0x11, 0x07, "Data Resynchronization Error" },
397 { 0x11, 0x08, "Incomplete Block Found" },
398 { 0x11, 0x09, "No Gap Found" },
399 { 0x11, 0x0A, "Miscorrected Error" },
400 { 0x11, 0x0B, "Uncorrected Read Error - Recommend Reassignment" },
401 { 0x11, 0x0C, "Uncorrected Read Error - Recommend Rewrite the Data" },
402 { 0x12, 0x00, "Address Mark Not Found for ID Field" },
403 { 0x13, 0x00, "Address Mark Not Found for Data Field" },
404 { 0x14, 0x00, "Recorded Entity Not Found" },
405 { 0x14, 0x01, "Record Not Found" },
406 { 0x14, 0x02, "Filemark or Setmark Not Found" },
407 { 0x14, 0x03, "End-Of-Data Not Found" },
408 { 0x14, 0x04, "Block Sequence Error" },
409 { 0x15, 0x00, "Random Positioning Error" },
410 { 0x15, 0x01, "Mechanical Positioning Error" },
411 { 0x15, 0x02, "Positioning Error Detected By Read of Medium" },
412 { 0x16, 0x00, "Data Synchronization Mark Error" },
413 { 0x17, 0x00, "Recovered Data With No Error Correction Applied" },
414 { 0x17, 0x01, "Recovered Data With Retries" },
415 { 0x17, 0x02, "Recovered Data With Positive Head Offset" },
416 { 0x17, 0x03, "Recovered Data With Negative Head Offset" },
417 { 0x17, 0x04, "Recovered Data With Retries and/or CIRC Applied" },
418 { 0x17, 0x05, "Recovered Data Using Previous Sector ID" },
419 { 0x17, 0x06, "Recovered Data Without ECC - Data Auto-Reallocated" },
420 { 0x17, 0x07, "Recovered Data Without ECC - Recommend Reassignment" },
421 { 0x17, 0x08, "Recovered Data Without ECC - Recommend Rewrite" },
422 { 0x18, 0x00, "Recovered Data With Error Correction Applied" },
423 { 0x18, 0x01, "Recovered Data With Error Correction & Retries Applied" },
424 { 0x18, 0x02, "Recovered Data - Data Auto-Reallocated" },
425 { 0x18, 0x03, "Recovered Data With CIRC" },
426 { 0x18, 0x04, "Recovered Data With LEC" },
427 { 0x18, 0x05, "Recovered Data - Recommend Reassignment" },
428 { 0x18, 0x06, "Recovered Data - Recommend Rewrite" },
429 { 0x19, 0x00, "Defect List Error" },
430 { 0x19, 0x01, "Defect List Not Available" },
431 { 0x19, 0x02, "Defect List Error in Primary List" },
432 { 0x19, 0x03, "Defect List Error in Grown List" },
433 { 0x1A, 0x00, "Parameter List Length Error" },
434 { 0x1B, 0x00, "Synchronous Data Transfer Error" },
435 { 0x1C, 0x00, "Defect List Not Found" },
436 { 0x1C, 0x01, "Primary Defect List Not Found" },
437 { 0x1C, 0x02, "Grown Defect List Not Found" },
438 { 0x1D, 0x00, "Miscompare During Verify Operation" },
439 { 0x1E, 0x00, "Recovered ID with ECC" },
440 { 0x20, 0x00, "Invalid Command Operation Code" },
441 { 0x21, 0x00, "Logical Block Address Out of Range" },
442 { 0x21, 0x01, "Invalid Element Address" },
443 { 0x22, 0x00, "Illegal Function (Should 20 00, 24 00, or 26 00)" },
444 { 0x24, 0x00, "Illegal Field in CDB" },
445 { 0x25, 0x00, "Logical Unit Not Supported" },
446 { 0x26, 0x00, "Invalid Field In Parameter List" },
447 { 0x26, 0x01, "Parameter Not Supported" },
448 { 0x26, 0x02, "Parameter Value Invalid" },
449 { 0x26, 0x03, "Threshold Parameters Not Supported" },
450 { 0x27, 0x00, "Write Protected" },
451 { 0x28, 0x00, "Not Ready To Ready Transition (Medium May Have Changed)" },
452 { 0x28, 0x01, "Import Or Export Element Accessed" },
453 { 0x29, 0x00, "Power On, Reset, or Bus Device Reset Occurred" },
454 { 0x2A, 0x00, "Parameters Changed" },
455 { 0x2A, 0x01, "Mode Parameters Changed" },
456 { 0x2A, 0x02, "Log Parameters Changed" },
457 { 0x2B, 0x00, "Copy Cannot Execute Since Host Cannot Disconnect" },
458 { 0x2C, 0x00, "Command Sequence Error" },
459 { 0x2C, 0x01, "Too Many Windows Specified" },
460 { 0x2C, 0x02, "Invalid Combination of Windows Specified" },
461 { 0x2D, 0x00, "Overwrite Error On Update In Place" },
462 { 0x2F, 0x00, "Commands Cleared By Another Initiator" },
463 { 0x30, 0x00, "Incompatible Medium Installed" },
464 { 0x30, 0x01, "Cannot Read Medium - Unknown Format" },
465 { 0x30, 0x02, "Cannot Read Medium - Incompatible Format" },
466 { 0x30, 0x03, "Cleaning Cartridge Installed" },
467 { 0x31, 0x00, "Medium Format Corrupted" },
468 { 0x31, 0x01, "Format Command Failed" },
469 { 0x32, 0x00, "No Defect Spare Location Available" },
470 { 0x32, 0x01, "Defect List Update Failure" },
471 { 0x33, 0x00, "Tape Length Error" },
472 { 0x36, 0x00, "Ribbon, Ink, or Toner Failure" },
473 { 0x37, 0x00, "Rounded Parameter" },
474 { 0x39, 0x00, "Saving Parameters Not Supported" },
475 { 0x3A, 0x00, "Medium Not Present" },
476 { 0x3B, 0x00, "Positioning Error" },
477 { 0x3B, 0x01, "Tape Position Error At Beginning-of-Medium" },
478 { 0x3B, 0x02, "Tape Position Error At End-of-Medium" },
479 { 0x3B, 0x03, "Tape or Electronic Vertical Forms Unit Not Ready" },
480 { 0x3B, 0x04, "Slew Failure" },
481 { 0x3B, 0x05, "Paper Jam" },
482 { 0x3B, 0x06, "Failed To Sense Top-Of-Form" },
483 { 0x3B, 0x07, "Failed To Sense Bottom-Of-Form" },
484 { 0x3B, 0x08, "Reposition Error" },
485 { 0x3B, 0x09, "Read Past End Of Medium" },
486 { 0x3B, 0x0A, "Read Past Begining Of Medium" },
487 { 0x3B, 0x0B, "Position Past End Of Medium" },
488 { 0x3B, 0x0C, "Position Past Beginning Of Medium" },
489 { 0x3B, 0x0D, "Medium Destination Element Full" },
490 { 0x3B, 0x0E, "Medium Source Element Empty" },
491 { 0x3D, 0x00, "Invalid Bits In IDENTFY Message" },
492 { 0x3E, 0x00, "Logical Unit Has Not Self-Configured Yet" },
493 { 0x3F, 0x00, "Target Operating Conditions Have Changed" },
494 { 0x3F, 0x01, "Microcode Has Changed" },
495 { 0x3F, 0x02, "Changed Operating Definition" },
496 { 0x3F, 0x03, "INQUIRY Data Has Changed" },
497 { 0x40, 0x00, "RAM FAILURE (Should Use 40 NN)" },
498 { 0x41, 0x00, "Data Path FAILURE (Should Use 40 NN)" },
499 { 0x42, 0x00, "Power-On or Self-Test FAILURE (Should Use 40 NN)" },
500 { 0x43, 0x00, "Message Error" },
501 { 0x44, 0x00, "Internal Target Failure" },
502 { 0x45, 0x00, "Select Or Reselect Failure" },
503 { 0x46, 0x00, "Unsuccessful Soft Reset" },
504 { 0x47, 0x00, "SCSI Parity Error" },
505 { 0x48, 0x00, "INITIATOR DETECTED ERROR Message Received" },
506 { 0x49, 0x00, "Invalid Message Error" },
507 { 0x4A, 0x00, "Command Phase Error" },
508 { 0x4B, 0x00, "Data Phase Error" },
509 { 0x4C, 0x00, "Logical Unit Failed Self-Configuration" },
510 { 0x4E, 0x00, "Overlapped Commands Attempted" },
511 { 0x50, 0x00, "Write Append Error" },
512 { 0x50, 0x01, "Write Append Position Error" },
513 { 0x50, 0x01, "Write Append Position Error" },
514 { 0x50, 0x02, "Position Error Related To Timing" },
515 { 0x51, 0x00, "Erase Failure" },
516 { 0x52, 0x00, "Cartridge Fault" },
517 { 0x53, 0x00, "Media Load or Eject Failed" },
518 { 0x53, 0x01, "Unload Tape Failure" },
519 { 0x53, 0x02, "Medium Removal Prevented" },
520 { 0x54, 0x00, "SCSI To Host System Interface Failure" },
521 { 0x55, 0x00, "System Resource Failure" },
522 { 0x57, 0x00, "Unable To Recover Table-Of-Contents" },
523 { 0x58, 0x00, "Generation Does Not Exist" },
524 { 0x59, 0x00, "Updated Block Read" },
525 { 0x5A, 0x00, "Operator Request or State Change Input (Unspecified)" },
526 { 0x5A, 0x01, "Operator Medium Removal Requested" },
527 { 0x5A, 0x02, "Operator Selected Write Protect" },
528 { 0x5A, 0x03, "Operator Selected Write Permit" },
529 { 0x5B, 0x00, "Log Exception" },
530 { 0x5B, 0x01, "Threshold Condition Met" },
531 { 0x5B, 0x02, "Log Counter At Maximum" },
532 { 0x5B, 0x03, "Log List Codes Exhausted" },
533 { 0x5C, 0x00, "RPL Status Change" },
534 { 0x5C, 0x01, "Spindles Synchronized" },
535 { 0x5C, 0x02, "Spindles Not Synchronized" },
536 { 0x60, 0x00, "Lamp Failure" },
537 { 0x61, 0x00, "Video Acquisition Error" },
538 { 0x61, 0x01, "Unable To Acquire Video" },
539 { 0x61, 0x02, "Out Of Focus" },
540 { 0x62, 0x00, "Scan Head Positioning Error" },
541 { 0x63, 0x00, "End Of User Area Encountered On This Track" },
542 { 0x64, 0x00, "Illegal Mode For This Track" },
543 { 0x00, 0x00, (char *) 0 }
544 };
545
546 static inline void
547 asc2ascii(unsigned char asc, unsigned char ascq, char *result)
548 {
549 register int i = 0;
550
551 while (adesc[i].description != (char *) 0) {
552 if (adesc[i].asc == asc && adesc[i].ascq == ascq) {
553 break;
554 }
555 i++;
556 }
557 if (adesc[i].description == (char *) 0) {
558 if (asc == 0x40 && ascq != 0) {
559 (void) sprintf(result,
560 "Diagnostic Failure on Component 0x%02x",
561 ascq & 0xff);
562 } else {
563 (void) sprintf(result, "ASC 0x%02x ASCQ 0x%02x",
564 asc & 0xff, ascq & 0xff);
565 }
566 } else {
567 (void) strcpy(result, adesc[i].description);
568 }
569 }
570
571 void
572 scsi_print_sense(xs, verbosity)
573 struct scsipi_xfer *xs;
574 int verbosity;
575 {
576 int32_t info;
577 register int i, j, k;
578 char *sbs, *s;
579
580 xs->sc_link->sc_print_addr(xs->sc_link);
581 s = (char *) &xs->sense.scsi_sense;
582 printf(" Check Condition on opcode %x\n", xs->cmd->opcode);
583
584 /*
585 * Basics- print out SENSE KEY
586 */
587 printf(" SENSE KEY: %s", scsi_decode_sense(s, 0));
588
589 /*
590 * Print out, unqualified but aligned, FMK, EOM and ILI status.
591 */
592 if (s[2] & 0xe0) {
593 char pad;
594 printf("\n ");
595 pad = ' ';
596 if (s[2] & SSD_FILEMARK) {
597 printf("%c Filemark Detected", pad);
598 pad = ',';
599 }
600 if (s[2] & SSD_EOM) {
601 printf("%c EOM Detected", pad);
602 pad = ',';
603 }
604 if (s[2] & SSD_ILI) {
605 printf("%c Incorrect Length Indicator Set", pad);
606 }
607 }
608
609 /*
610 * Now we should figure out, based upon device type, how
611 * to format the information field. Unfortunately, that's
612 * not convenient here, so we'll print it as a signed
613 * 32 bit integer.
614 */
615 info = _4btol(&s[3]);
616 if (info) {
617 printf("\n INFO FIELD: %d", info);
618 }
619
620 /*
621 * Now we check additional length to see whether there is
622 * more information to extract.
623 */
624
625 /* enough for command specific information? */
626 if (s[7] < 4) {
627 printf("\n");
628 return;
629 }
630 info = _4btol(&s[8]);
631 if (info) {
632 printf("\n COMMAND INFO: %d (0x%x)", info, info);
633 }
634
635 /*
636 * Decode ASC && ASCQ info, plus FRU, plus the rest...
637 */
638
639 sbs = scsi_decode_sense(s, 1);
640 if (sbs) {
641 printf("\n ASC/ASCQ: %s", sbs);
642 }
643 if (s[14] != 0) {
644 printf("\n FRU CODE: 0x%x\n", s[14] & 0xff);
645 }
646 sbs = scsi_decode_sense(s, 3);
647 if (sbs) {
648 printf("\n SKSV: %s", sbs);
649 }
650 printf("\n");
651 if (verbosity == 0) {
652 printf("\n");
653 return;
654 }
655
656 /*
657 * Now figure whether we should print any additional informtion.
658 *
659 * Where should we start from? If we had SKSV data,
660 * start from offset 18, else from offset 15.
661 *
662 * From that point until the end of the buffer, check for any
663 * nonzero data. If we have some, go back and print the lot,
664 * otherwise we're done.
665 */
666 if (sbs) {
667 i = 18;
668 } else {
669 i = 15;
670 }
671 for (j = i; j < sizeof (xs->sense); j++) {
672 if (s[j])
673 break;
674 }
675 if (j == sizeof (xs->sense))
676 return;
677
678 printf("\n Additional Sense Information (byte %d out...):\n", i);
679 if (i == 15) {
680 printf("\n\t%2d:", i);
681 k = 7;
682 } else {
683 printf("\n\t%2d:", i);
684 k = 2;
685 j -= 2;
686 }
687 while (j > 0) {
688 if (i >= sizeof (xs->sense))
689 break;
690 if (k == 8) {
691 k = 0;
692 printf("\n\t%2d:", i);
693 }
694 printf(" 0x%02x", s[i] & 0xff);
695 k++;
696 j--;
697 i++;
698 }
699 printf("\n\n");
700 }
701
702 char *
703 scsi_decode_sense(void *sinfo, int flag)
704 {
705 unsigned char *snsbuf;
706 unsigned char skey;
707 static char rqsbuf[132];
708
709 skey = 0;
710
711 snsbuf = (unsigned char *) sinfo;
712 if (flag == 0 || flag == 2 || flag == 3) {
713 skey = snsbuf[2] & 0xf;
714 }
715 if (flag == 0) { /* Sense Key Only */
716 (void) strcpy(rqsbuf, sense_keys[skey]);
717 return (rqsbuf);
718 } else if (flag == 1) { /* ASC/ASCQ Only */
719 asc2ascii(snsbuf[12], snsbuf[13], rqsbuf);
720 return (rqsbuf);
721 } else if (flag == 2) { /* Sense Key && ASC/ASCQ */
722 auto char localbuf[64];
723 asc2ascii(snsbuf[12], snsbuf[13], localbuf);
724 (void) sprintf(rqsbuf, "%s, %s", sense_keys[skey], localbuf);
725 return (rqsbuf);
726 } else if (flag == 3 && snsbuf[7] >= 9 && (snsbuf[15] & 0x80)) {
727 /*
728 * SKSV Data
729 */
730 switch (skey) {
731 case 0x5: /* Illegal Request */
732 if (snsbuf[15] & 0x8) {
733 (void) sprintf(rqsbuf,
734 "Error in %s, Offset %d, bit %d",
735 (snsbuf[15] & 0x40)? "CDB" : "Parameters",
736 (snsbuf[16] & 0xff) << 8 |
737 (snsbuf[17] & 0xff), snsbuf[15] & 0xf);
738 } else {
739 (void) sprintf(rqsbuf,
740 "Error in %s, Offset %d",
741 (snsbuf[15] & 0x40)? "CDB" : "Parameters",
742 (snsbuf[16] & 0xff) << 8 |
743 (snsbuf[17] & 0xff));
744 }
745 return (rqsbuf);
746 case 0x1:
747 case 0x3:
748 case 0x4:
749 (void) sprintf(rqsbuf, "Actual Retry Count: %d",
750 (snsbuf[16] & 0xff) << 8 | (snsbuf[17] & 0xff));
751 return (rqsbuf);
752 case 0x2:
753 (void) sprintf(rqsbuf, "Progress Indicator: %d",
754 (snsbuf[16] & 0xff) << 8 | (snsbuf[17] & 0xff));
755 return (rqsbuf);
756 default:
757 break;
758 }
759 }
760 return ((char *) 0);
761 }
762 #endif
763