scsi_base.c revision 1.50 1 /* $NetBSD: scsi_base.c,v 1.50 1997/10/01 01:18:56 enami 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 "opt_scsiverbose.h"
37
38 #include <sys/types.h>
39 #include <sys/param.h>
40 #include <sys/systm.h>
41 #include <sys/kernel.h>
42 #include <sys/buf.h>
43 #include <sys/uio.h>
44 #include <sys/malloc.h>
45 #include <sys/errno.h>
46 #include <sys/device.h>
47 #include <sys/proc.h>
48
49 #include <dev/scsipi/scsipi_all.h>
50 #include <dev/scsipi/scsi_all.h>
51 #include <dev/scsipi/scsi_disk.h>
52 #include <dev/scsipi/scsiconf.h>
53 #include <dev/scsipi/scsipi_base.h>
54
55 #ifdef SCSIVERBOSE
56 static void asc2ascii __P((unsigned char, unsigned char, char *));
57 char *scsi_decode_sense __P((void *, int));
58 #endif
59
60 /*
61 * Do a scsi operation, asking a device to run as SCSI-II if it can.
62 */
63 int
64 scsi_change_def(sc_link, flags)
65 struct scsipi_link *sc_link;
66 int flags;
67 {
68 struct scsi_changedef scsipi_cmd;
69
70 bzero(&scsipi_cmd, sizeof(scsipi_cmd));
71 scsipi_cmd.opcode = SCSI_CHANGE_DEFINITION;
72 scsipi_cmd.how = SC_SCSI_2;
73
74 return ((*sc_link->scsipi_cmd)(sc_link,
75 (struct scsipi_generic *) &scsipi_cmd, sizeof(scsipi_cmd),
76 0, 0, 2, 100000, NULL, flags));
77 }
78
79 /*
80 * ask the scsi driver to perform a command for us.
81 * tell it where to read/write the data, and how
82 * long the data is supposed to be. If we have a buf
83 * to associate with the transfer, we need that too.
84 */
85 int
86 scsi_scsipi_cmd(sc_link, scsipi_cmd, cmdlen, data_addr, datalen,
87 retries, timeout, bp, flags)
88 struct scsipi_link *sc_link;
89 struct scsipi_generic *scsipi_cmd;
90 int cmdlen;
91 u_char *data_addr;
92 int datalen;
93 int retries;
94 int timeout;
95 struct buf *bp;
96 int flags;
97 {
98 struct scsipi_xfer *xs;
99 int error;
100
101 SC_DEBUG(sc_link, SDEV_DB2, ("scsi_scsipi_cmd\n"));
102
103 #ifdef DIAGNOSTIC
104 if (bp != 0 && (flags & SCSI_NOSLEEP) == 0)
105 panic("scsi_scsipi_cmd: buffer without nosleep");
106 #endif
107
108 if ((xs = scsipi_make_xs(sc_link, scsipi_cmd, cmdlen, data_addr,
109 datalen, retries, timeout, bp, flags)) == NULL)
110 return (ENOMEM);
111
112 if ((error = scsipi_execute_xs(xs)) == EJUSTRETURN)
113 return (0);
114
115 /*
116 * we have finished with the xfer stuct, free it and
117 * check if anyone else needs to be started up.
118 */
119 scsipi_free_xs(xs, flags);
120 return (error);
121 }
122
123 /*
124 * Look at the returned sense and act on the error, determining
125 * the unix error number to pass back. (0 = report no error)
126 *
127 * THIS IS THE DEFAULT ERROR HANDLER FOR SCSI DEVICES
128 */
129 int
130 scsi_interpret_sense(xs)
131 struct scsipi_xfer *xs;
132 {
133 struct scsipi_sense_data *sense;
134 struct scsipi_link *sc_link = xs->sc_link;
135 u_int8_t key;
136 u_int32_t info;
137 int error;
138 #ifndef SCSIVERBOSE
139 static char *error_mes[] = {
140 "soft error (corrected)",
141 "not ready", "medium error",
142 "non-media hardware failure", "illegal request",
143 "unit attention", "readonly device",
144 "no data found", "vendor unique",
145 "copy aborted", "command aborted",
146 "search returned equal", "volume overflow",
147 "verify miscompare", "unknown error key"
148 };
149 #endif
150
151 sense = &xs->sense.scsi_sense;
152 #ifdef SCSIDEBUG
153 if ((sc_link->flags & SDEV_DB1) != 0) {
154 int count;
155 printf("code 0x%x valid 0x%x ",
156 sense->error_code & SSD_ERRCODE,
157 sense->error_code & SSD_ERRCODE_VALID ? 1 : 0);
158 printf("seg 0x%x key 0x%x ili 0x%x eom 0x%x fmark 0x%x\n",
159 sense->segment,
160 sense->flags & SSD_KEY,
161 sense->flags & SSD_ILI ? 1 : 0,
162 sense->flags & SSD_EOM ? 1 : 0,
163 sense->flags & SSD_FILEMARK ? 1 : 0);
164 printf("info: 0x%x 0x%x 0x%x 0x%x followed by %d extra bytes\n",
165 sense->info[0],
166 sense->info[1],
167 sense->info[2],
168 sense->info[3],
169 sense->extra_len);
170 printf("extra: ");
171 for (count = 0; count < sense->extra_len; count++)
172 printf("0x%x ", sense->extra_bytes[count]);
173 printf("\n");
174 }
175 #endif /* SCSIDEBUG */
176 /*
177 * If the device has it's own error handler, call it first.
178 * If it returns a legit error value, return that, otherwise
179 * it wants us to continue with normal error processing.
180 */
181 if (sc_link->device->err_handler) {
182 SC_DEBUG(sc_link, SDEV_DB2,
183 ("calling private err_handler()\n"));
184 error = (*sc_link->device->err_handler)(xs);
185 if (error != -1)
186 return (error); /* error >= 0 better ? */
187 }
188 /* otherwise use the default */
189 switch (sense->error_code & SSD_ERRCODE) {
190 /*
191 * If it's code 70, use the extended stuff and
192 * interpret the key
193 */
194 case 0x71: /* delayed error */
195 sc_link->sc_print_addr(sc_link);
196 key = sense->flags & SSD_KEY;
197 printf(" DEFERRED ERROR, key = 0x%x\n", key);
198 /* FALLTHROUGH */
199 case 0x70:
200 if ((sense->error_code & SSD_ERRCODE_VALID) != 0)
201 info = _4btol(sense->info);
202 else
203 info = 0;
204 key = sense->flags & SSD_KEY;
205
206 switch (key) {
207 case 0x0: /* NO SENSE */
208 case 0x1: /* RECOVERED ERROR */
209 if (xs->resid == xs->datalen)
210 xs->resid = 0; /* not short read */
211 case 0xc: /* EQUAL */
212 error = 0;
213 break;
214 case 0x2: /* NOT READY */
215 if ((sc_link->flags & SDEV_REMOVABLE) != 0)
216 sc_link->flags &= ~SDEV_MEDIA_LOADED;
217 if ((xs->flags & SCSI_IGNORE_NOT_READY) != 0)
218 return (0);
219 if ((xs->flags & SCSI_SILENT) != 0)
220 return (EIO);
221 error = EIO;
222 break;
223 case 0x5: /* ILLEGAL REQUEST */
224 if ((xs->flags & SCSI_IGNORE_ILLEGAL_REQUEST) != 0)
225 return (0);
226 if ((xs->flags & SCSI_SILENT) != 0)
227 return (EIO);
228 error = EINVAL;
229 break;
230 case 0x6: /* UNIT ATTENTION */
231 if ((sc_link->flags & SDEV_REMOVABLE) != 0)
232 sc_link->flags &= ~SDEV_MEDIA_LOADED;
233 if ((xs->flags & SCSI_IGNORE_MEDIA_CHANGE) != 0 ||
234 /* XXX Should reupload any transient state. */
235 (sc_link->flags & SDEV_REMOVABLE) == 0)
236 return (ERESTART);
237 if ((xs->flags & SCSI_SILENT) != 0)
238 return (EIO);
239 error = EIO;
240 break;
241 case 0x7: /* DATA PROTECT */
242 error = EACCES;
243 break;
244 case 0x8: /* BLANK CHECK */
245 error = 0;
246 break;
247 case 0xb: /* COMMAND ABORTED */
248 error = ERESTART;
249 break;
250 case 0xd: /* VOLUME OVERFLOW */
251 error = ENOSPC;
252 break;
253 default:
254 error = EIO;
255 break;
256 }
257
258 #ifdef SCSIVERBOSE
259 scsi_print_sense(xs, 0);
260 #else
261 if (key) {
262 sc_link->sc_print_addr(sc_link);
263 printf("%s", error_mes[key - 1]);
264 if ((sense->error_code & SSD_ERRCODE_VALID) != 0) {
265 switch (key) {
266 case 0x2: /* NOT READY */
267 case 0x5: /* ILLEGAL REQUEST */
268 case 0x6: /* UNIT ATTENTION */
269 case 0x7: /* DATA PROTECT */
270 break;
271 case 0x8: /* BLANK CHECK */
272 printf(", requested size: %d (decimal)",
273 info);
274 break;
275 case 0xb:
276 if (xs->retries)
277 printf(", retrying");
278 printf(", cmd 0x%x, info 0x%x",
279 xs->cmd->opcode, info);
280 break;
281 default:
282 printf(", info = %d (decimal)", info);
283 }
284 }
285 if (sense->extra_len != 0) {
286 int n;
287 printf(", data =");
288 for (n = 0; n < sense->extra_len; n++)
289 printf(" %02x",
290 sense->cmd_spec_info[n]);
291 }
292 printf("\n");
293 }
294 #endif
295 return (error);
296
297 /*
298 * Not code 70, just report it
299 */
300 default:
301 sc_link->sc_print_addr(sc_link);
302 printf("error code %d", sense->error_code & SSD_ERRCODE);
303 if ((sense->error_code & SSD_ERRCODE_VALID) != 0) {
304 struct scsipi_sense_data_unextended *usense =
305 (struct scsipi_sense_data_unextended *)sense;
306 printf(" at block no. %d (decimal)",
307 _3btol(usense->block));
308 }
309 printf("\n");
310 return (EIO);
311 }
312 }
313
314 /*
315 * Utility routines often used in SCSI stuff
316 */
317
318
319 /*
320 * Print out the scsi_link structure's address info.
321 */
322 void
323 scsi_print_addr(sc_link)
324 struct scsipi_link *sc_link;
325 {
326
327 printf("%s(%s:%d:%d): ",
328 sc_link->device_softc ?
329 ((struct device *)sc_link->device_softc)->dv_xname : "probe",
330 ((struct device *)sc_link->adapter_softc)->dv_xname,
331 sc_link->scsipi_scsi.target, sc_link->scsipi_scsi.lun);
332 }
333
334 #ifdef SCSIVERBOSE
335 static const char *sense_keys[16] = {
336 "No Additional Sense",
337 "Soft Error",
338 "Not Ready",
339 "Media Error",
340 "Hardware Error",
341 "Illegal Request",
342 "Unit Attention",
343 "Write Protected",
344 "Blank Check",
345 "Vendor Unique",
346 "Copy Aborted",
347 "Aborted Command",
348 "Equal Error",
349 "Volume Overflow",
350 "Miscompare Error",
351 "Reserved"
352 };
353 static const struct {
354 unsigned char asc;
355 unsigned char ascq;
356 char *description;
357 } adesc[] = {
358 { 0x00, 0x00, "No Additional Sense Information" },
359 { 0x00, 0x01, "Filemark Detected" },
360 { 0x00, 0x02, "End-Of-Partition/Medium Detected" },
361 { 0x00, 0x03, "Setmark Detected" },
362 { 0x00, 0x04, "Beginning-Of-Partition/Medium Detected" },
363 { 0x00, 0x05, "End-Of-Data Detected" },
364 { 0x00, 0x06, "I/O Process Terminated" },
365 { 0x00, 0x11, "Audio Play Operation In Progress" },
366 { 0x00, 0x12, "Audio Play Operation Paused" },
367 { 0x00, 0x13, "Audio Play Operation Successfully Completed" },
368 { 0x00, 0x14, "Audio Play Operation Stopped Due to Error" },
369 { 0x00, 0x15, "No Current Audio Status To Return" },
370 { 0x01, 0x00, "No Index/Sector Signal" },
371 { 0x02, 0x00, "No Seek Complete" },
372 { 0x03, 0x00, "Peripheral Device Write Fault" },
373 { 0x03, 0x01, "No Write Current" },
374 { 0x03, 0x02, "Excessive Write Errors" },
375 { 0x04, 0x00, "Logical Unit Not Ready, Cause Not Reportable" },
376 { 0x04, 0x01, "Logical Unit Is in Process Of Becoming Ready" },
377 { 0x04, 0x02, "Logical Unit Not Ready, Initialization Command Required" },
378 { 0x04, 0x03, "Logical Unit Not Ready, Manual Intervention Required" },
379 { 0x04, 0x04, "Logical Unit Not Ready, Format In Progress" },
380 { 0x05, 0x00, "Logical Unit Does Not Respond To Selection" },
381 { 0x06, 0x00, "No Reference Position Found" },
382 { 0x07, 0x00, "Multiple Peripheral Devices Selected" },
383 { 0x08, 0x00, "Logical Unit Communication Failure" },
384 { 0x08, 0x01, "Logical Unit Communication Timeout" },
385 { 0x08, 0x02, "Logical Unit Communication Parity Error" },
386 { 0x09, 0x00, "Track Following Error" },
387 { 0x09, 0x01, "Tracking Servo Failure" },
388 { 0x09, 0x02, "Focus Servo Failure" },
389 { 0x09, 0x03, "Spindle Servo Failure" },
390 { 0x0A, 0x00, "Error Log Overflow" },
391 { 0x0C, 0x00, "Write Error" },
392 { 0x0C, 0x01, "Write Error Recovered with Auto Reallocation" },
393 { 0x0C, 0x02, "Write Error - Auto Reallocate Failed" },
394 { 0x10, 0x00, "ID CRC Or ECC Error" },
395 { 0x11, 0x00, "Unrecovered Read Error" },
396 { 0x11, 0x01, "Read Retried Exhausted" },
397 { 0x11, 0x02, "Error Too Long To Correct" },
398 { 0x11, 0x03, "Multiple Read Errors" },
399 { 0x11, 0x04, "Unrecovered Read Error - Auto Reallocate Failed" },
400 { 0x11, 0x05, "L-EC Uncorrectable Error" },
401 { 0x11, 0x06, "CIRC Unrecovered Error" },
402 { 0x11, 0x07, "Data Resynchronization Error" },
403 { 0x11, 0x08, "Incomplete Block Found" },
404 { 0x11, 0x09, "No Gap Found" },
405 { 0x11, 0x0A, "Miscorrected Error" },
406 { 0x11, 0x0B, "Uncorrected Read Error - Recommend Reassignment" },
407 { 0x11, 0x0C, "Uncorrected Read Error - Recommend Rewrite the Data" },
408 { 0x12, 0x00, "Address Mark Not Found for ID Field" },
409 { 0x13, 0x00, "Address Mark Not Found for Data Field" },
410 { 0x14, 0x00, "Recorded Entity Not Found" },
411 { 0x14, 0x01, "Record Not Found" },
412 { 0x14, 0x02, "Filemark or Setmark Not Found" },
413 { 0x14, 0x03, "End-Of-Data Not Found" },
414 { 0x14, 0x04, "Block Sequence Error" },
415 { 0x15, 0x00, "Random Positioning Error" },
416 { 0x15, 0x01, "Mechanical Positioning Error" },
417 { 0x15, 0x02, "Positioning Error Detected By Read of Medium" },
418 { 0x16, 0x00, "Data Synchronization Mark Error" },
419 { 0x17, 0x00, "Recovered Data With No Error Correction Applied" },
420 { 0x17, 0x01, "Recovered Data With Retries" },
421 { 0x17, 0x02, "Recovered Data With Positive Head Offset" },
422 { 0x17, 0x03, "Recovered Data With Negative Head Offset" },
423 { 0x17, 0x04, "Recovered Data With Retries and/or CIRC Applied" },
424 { 0x17, 0x05, "Recovered Data Using Previous Sector ID" },
425 { 0x17, 0x06, "Recovered Data Without ECC - Data Auto-Reallocated" },
426 { 0x17, 0x07, "Recovered Data Without ECC - Recommend Reassignment" },
427 { 0x17, 0x08, "Recovered Data Without ECC - Recommend Rewrite" },
428 { 0x18, 0x00, "Recovered Data With Error Correction Applied" },
429 { 0x18, 0x01, "Recovered Data With Error Correction & Retries Applied" },
430 { 0x18, 0x02, "Recovered Data - Data Auto-Reallocated" },
431 { 0x18, 0x03, "Recovered Data With CIRC" },
432 { 0x18, 0x04, "Recovered Data With LEC" },
433 { 0x18, 0x05, "Recovered Data - Recommend Reassignment" },
434 { 0x18, 0x06, "Recovered Data - Recommend Rewrite" },
435 { 0x19, 0x00, "Defect List Error" },
436 { 0x19, 0x01, "Defect List Not Available" },
437 { 0x19, 0x02, "Defect List Error in Primary List" },
438 { 0x19, 0x03, "Defect List Error in Grown List" },
439 { 0x1A, 0x00, "Parameter List Length Error" },
440 { 0x1B, 0x00, "Synchronous Data Transfer Error" },
441 { 0x1C, 0x00, "Defect List Not Found" },
442 { 0x1C, 0x01, "Primary Defect List Not Found" },
443 { 0x1C, 0x02, "Grown Defect List Not Found" },
444 { 0x1D, 0x00, "Miscompare During Verify Operation" },
445 { 0x1E, 0x00, "Recovered ID with ECC" },
446 { 0x20, 0x00, "Invalid Command Operation Code" },
447 { 0x21, 0x00, "Logical Block Address Out of Range" },
448 { 0x21, 0x01, "Invalid Element Address" },
449 { 0x22, 0x00, "Illegal Function (Should 20 00, 24 00, or 26 00)" },
450 { 0x24, 0x00, "Illegal Field in CDB" },
451 { 0x25, 0x00, "Logical Unit Not Supported" },
452 { 0x26, 0x00, "Invalid Field In Parameter List" },
453 { 0x26, 0x01, "Parameter Not Supported" },
454 { 0x26, 0x02, "Parameter Value Invalid" },
455 { 0x26, 0x03, "Threshold Parameters Not Supported" },
456 { 0x27, 0x00, "Write Protected" },
457 { 0x28, 0x00, "Not Ready To Ready Transition (Medium May Have Changed)" },
458 { 0x28, 0x01, "Import Or Export Element Accessed" },
459 { 0x29, 0x00, "Power On, Reset, or Bus Device Reset Occurred" },
460 { 0x2A, 0x00, "Parameters Changed" },
461 { 0x2A, 0x01, "Mode Parameters Changed" },
462 { 0x2A, 0x02, "Log Parameters Changed" },
463 { 0x2B, 0x00, "Copy Cannot Execute Since Host Cannot Disconnect" },
464 { 0x2C, 0x00, "Command Sequence Error" },
465 { 0x2C, 0x01, "Too Many Windows Specified" },
466 { 0x2C, 0x02, "Invalid Combination of Windows Specified" },
467 { 0x2D, 0x00, "Overwrite Error On Update In Place" },
468 { 0x2F, 0x00, "Commands Cleared By Another Initiator" },
469 { 0x30, 0x00, "Incompatible Medium Installed" },
470 { 0x30, 0x01, "Cannot Read Medium - Unknown Format" },
471 { 0x30, 0x02, "Cannot Read Medium - Incompatible Format" },
472 { 0x30, 0x03, "Cleaning Cartridge Installed" },
473 { 0x31, 0x00, "Medium Format Corrupted" },
474 { 0x31, 0x01, "Format Command Failed" },
475 { 0x32, 0x00, "No Defect Spare Location Available" },
476 { 0x32, 0x01, "Defect List Update Failure" },
477 { 0x33, 0x00, "Tape Length Error" },
478 { 0x36, 0x00, "Ribbon, Ink, or Toner Failure" },
479 { 0x37, 0x00, "Rounded Parameter" },
480 { 0x39, 0x00, "Saving Parameters Not Supported" },
481 { 0x3A, 0x00, "Medium Not Present" },
482 { 0x3B, 0x00, "Positioning Error" },
483 { 0x3B, 0x01, "Tape Position Error At Beginning-of-Medium" },
484 { 0x3B, 0x02, "Tape Position Error At End-of-Medium" },
485 { 0x3B, 0x03, "Tape or Electronic Vertical Forms Unit Not Ready" },
486 { 0x3B, 0x04, "Slew Failure" },
487 { 0x3B, 0x05, "Paper Jam" },
488 { 0x3B, 0x06, "Failed To Sense Top-Of-Form" },
489 { 0x3B, 0x07, "Failed To Sense Bottom-Of-Form" },
490 { 0x3B, 0x08, "Reposition Error" },
491 { 0x3B, 0x09, "Read Past End Of Medium" },
492 { 0x3B, 0x0A, "Read Past Begining Of Medium" },
493 { 0x3B, 0x0B, "Position Past End Of Medium" },
494 { 0x3B, 0x0C, "Position Past Beginning Of Medium" },
495 { 0x3B, 0x0D, "Medium Destination Element Full" },
496 { 0x3B, 0x0E, "Medium Source Element Empty" },
497 { 0x3D, 0x00, "Invalid Bits In IDENTFY Message" },
498 { 0x3E, 0x00, "Logical Unit Has Not Self-Configured Yet" },
499 { 0x3F, 0x00, "Target Operating Conditions Have Changed" },
500 { 0x3F, 0x01, "Microcode Has Changed" },
501 { 0x3F, 0x02, "Changed Operating Definition" },
502 { 0x3F, 0x03, "INQUIRY Data Has Changed" },
503 { 0x40, 0x00, "RAM FAILURE (Should Use 40 NN)" },
504 { 0x41, 0x00, "Data Path FAILURE (Should Use 40 NN)" },
505 { 0x42, 0x00, "Power-On or Self-Test FAILURE (Should Use 40 NN)" },
506 { 0x43, 0x00, "Message Error" },
507 { 0x44, 0x00, "Internal Target Failure" },
508 { 0x45, 0x00, "Select Or Reselect Failure" },
509 { 0x46, 0x00, "Unsuccessful Soft Reset" },
510 { 0x47, 0x00, "SCSI Parity Error" },
511 { 0x48, 0x00, "INITIATOR DETECTED ERROR Message Received" },
512 { 0x49, 0x00, "Invalid Message Error" },
513 { 0x4A, 0x00, "Command Phase Error" },
514 { 0x4B, 0x00, "Data Phase Error" },
515 { 0x4C, 0x00, "Logical Unit Failed Self-Configuration" },
516 { 0x4E, 0x00, "Overlapped Commands Attempted" },
517 { 0x50, 0x00, "Write Append Error" },
518 { 0x50, 0x01, "Write Append Position Error" },
519 { 0x50, 0x01, "Write Append Position Error" },
520 { 0x50, 0x02, "Position Error Related To Timing" },
521 { 0x51, 0x00, "Erase Failure" },
522 { 0x52, 0x00, "Cartridge Fault" },
523 { 0x53, 0x00, "Media Load or Eject Failed" },
524 { 0x53, 0x01, "Unload Tape Failure" },
525 { 0x53, 0x02, "Medium Removal Prevented" },
526 { 0x54, 0x00, "SCSI To Host System Interface Failure" },
527 { 0x55, 0x00, "System Resource Failure" },
528 { 0x57, 0x00, "Unable To Recover Table-Of-Contents" },
529 { 0x58, 0x00, "Generation Does Not Exist" },
530 { 0x59, 0x00, "Updated Block Read" },
531 { 0x5A, 0x00, "Operator Request or State Change Input (Unspecified)" },
532 { 0x5A, 0x01, "Operator Medium Removal Requested" },
533 { 0x5A, 0x02, "Operator Selected Write Protect" },
534 { 0x5A, 0x03, "Operator Selected Write Permit" },
535 { 0x5B, 0x00, "Log Exception" },
536 { 0x5B, 0x01, "Threshold Condition Met" },
537 { 0x5B, 0x02, "Log Counter At Maximum" },
538 { 0x5B, 0x03, "Log List Codes Exhausted" },
539 { 0x5C, 0x00, "RPL Status Change" },
540 { 0x5C, 0x01, "Spindles Synchronized" },
541 { 0x5C, 0x02, "Spindles Not Synchronized" },
542 { 0x60, 0x00, "Lamp Failure" },
543 { 0x61, 0x00, "Video Acquisition Error" },
544 { 0x61, 0x01, "Unable To Acquire Video" },
545 { 0x61, 0x02, "Out Of Focus" },
546 { 0x62, 0x00, "Scan Head Positioning Error" },
547 { 0x63, 0x00, "End Of User Area Encountered On This Track" },
548 { 0x64, 0x00, "Illegal Mode For This Track" },
549 { 0x00, 0x00, NULL }
550 };
551
552 static inline void
553 asc2ascii(asc, ascq, result)
554 unsigned char asc, ascq;
555 char *result;
556 {
557 register int i = 0;
558
559 while (adesc[i].description != NULL) {
560 if (adesc[i].asc == asc && adesc[i].ascq == ascq)
561 break;
562 i++;
563 }
564 if (adesc[i].description == NULL) {
565 if (asc == 0x40 && ascq != 0)
566 (void)sprintf(result,
567 "Diagnostic Failure on Component 0x%02x",
568 ascq & 0xff);
569 else
570 (void)sprintf(result, "ASC 0x%02x ASCQ 0x%02x",
571 asc & 0xff, ascq & 0xff);
572 } else
573 (void)strcpy(result, adesc[i].description);
574 }
575
576 void
577 scsi_print_sense(xs, verbosity)
578 struct scsipi_xfer *xs;
579 int verbosity;
580 {
581 int32_t info;
582 register int i, j, k;
583 char *sbs, *s;
584
585 xs->sc_link->sc_print_addr(xs->sc_link);
586 s = (char *) &xs->sense.scsi_sense;
587 printf(" Check Condition on opcode %x\n", xs->cmd->opcode);
588
589 /*
590 * Basics- print out SENSE KEY
591 */
592 printf(" SENSE KEY: %s", scsi_decode_sense(s, 0));
593
594 /*
595 * Print out, unqualified but aligned, FMK, EOM and ILI status.
596 */
597 if (s[2] & 0xe0) {
598 char pad;
599 printf("\n ");
600 pad = ' ';
601 if (s[2] & SSD_FILEMARK) {
602 printf("%c Filemark Detected", pad);
603 pad = ',';
604 }
605 if (s[2] & SSD_EOM) {
606 printf("%c EOM Detected", pad);
607 pad = ',';
608 }
609 if (s[2] & SSD_ILI)
610 printf("%c Incorrect Length Indicator Set", pad);
611 }
612
613 /*
614 * Now we should figure out, based upon device type, how
615 * to format the information field. Unfortunately, that's
616 * not convenient here, so we'll print it as a signed
617 * 32 bit integer.
618 */
619 info = _4btol(&s[3]);
620 if (info)
621 printf("\n INFO FIELD: %d", info);
622
623 /*
624 * Now we check additional length to see whether there is
625 * more information to extract.
626 */
627
628 /* enough for command specific information? */
629 if (s[7] < 4) {
630 printf("\n");
631 return;
632 }
633 info = _4btol(&s[8]);
634 if (info)
635 printf("\n COMMAND INFO: %d (0x%x)", info, info);
636
637 /*
638 * Decode ASC && ASCQ info, plus FRU, plus the rest...
639 */
640
641 sbs = scsi_decode_sense(s, 1);
642 if (sbs)
643 printf("\n ASC/ASCQ: %s", sbs);
644 if (s[14] != 0)
645 printf("\n FRU CODE: 0x%x\n", s[14] & 0xff);
646 sbs = scsi_decode_sense(s, 3);
647 if (sbs)
648 printf("\n SKSV: %s", sbs);
649 printf("\n");
650 if (verbosity == 0) {
651 printf("\n");
652 return;
653 }
654
655 /*
656 * Now figure whether we should print any additional informtion.
657 *
658 * Where should we start from? If we had SKSV data,
659 * start from offset 18, else from offset 15.
660 *
661 * From that point until the end of the buffer, check for any
662 * nonzero data. If we have some, go back and print the lot,
663 * otherwise we're done.
664 */
665 if (sbs)
666 i = 18;
667 else
668 i = 15;
669 for (j = i; j < sizeof (xs->sense); j++)
670 if (s[j])
671 break;
672 if (j == sizeof (xs->sense))
673 return;
674
675 printf("\n Additional Sense Information (byte %d out...):\n", i);
676 if (i == 15) {
677 printf("\n\t%2d:", i);
678 k = 7;
679 } else {
680 printf("\n\t%2d:", i);
681 k = 2;
682 j -= 2;
683 }
684 while (j > 0) {
685 if (i >= sizeof (xs->sense))
686 break;
687 if (k == 8) {
688 k = 0;
689 printf("\n\t%2d:", i);
690 }
691 printf(" 0x%02x", s[i] & 0xff);
692 k++;
693 j--;
694 i++;
695 }
696 printf("\n\n");
697 }
698
699 char *
700 scsi_decode_sense(sinfo, flag)
701 void *sinfo;
702 int flag;
703 {
704 unsigned char *snsbuf;
705 unsigned char skey;
706 static char rqsbuf[132];
707
708 skey = 0;
709
710 snsbuf = (unsigned char *) sinfo;
711 if (flag == 0 || flag == 2 || flag == 3)
712 skey = snsbuf[2] & 0xf;
713 if (flag == 0) { /* Sense Key Only */
714 (void) strcpy(rqsbuf, sense_keys[skey]);
715 return (rqsbuf);
716 } else if (flag == 1) { /* ASC/ASCQ Only */
717 asc2ascii(snsbuf[12], snsbuf[13], rqsbuf);
718 return (rqsbuf);
719 } else if (flag == 2) { /* Sense Key && ASC/ASCQ */
720 auto char localbuf[64];
721 asc2ascii(snsbuf[12], snsbuf[13], localbuf);
722 (void) sprintf(rqsbuf, "%s, %s", sense_keys[skey], localbuf);
723 return (rqsbuf);
724 } else if (flag == 3 && snsbuf[7] >= 9 && (snsbuf[15] & 0x80)) {
725 /*
726 * SKSV Data
727 */
728 switch (skey) {
729 case 0x5: /* Illegal Request */
730 if (snsbuf[15] & 0x8)
731 (void)sprintf(rqsbuf,
732 "Error in %s, Offset %d, bit %d",
733 (snsbuf[15] & 0x40)? "CDB" : "Parameters",
734 (snsbuf[16] & 0xff) << 8 |
735 (snsbuf[17] & 0xff), snsbuf[15] & 0xf);
736 else
737 (void)sprintf(rqsbuf,
738 "Error in %s, Offset %d",
739 (snsbuf[15] & 0x40)? "CDB" : "Parameters",
740 (snsbuf[16] & 0xff) << 8 |
741 (snsbuf[17] & 0xff));
742 return (rqsbuf);
743 case 0x1:
744 case 0x3:
745 case 0x4:
746 (void)sprintf(rqsbuf, "Actual Retry Count: %d",
747 (snsbuf[16] & 0xff) << 8 | (snsbuf[17] & 0xff));
748 return (rqsbuf);
749 case 0x2:
750 (void)sprintf(rqsbuf, "Progress Indicator: %d",
751 (snsbuf[16] & 0xff) << 8 | (snsbuf[17] & 0xff));
752 return (rqsbuf);
753 default:
754 break;
755 }
756 }
757 return (NULL);
758 }
759 #endif
760