scsi_base.c revision 1.57 1 /* $NetBSD: scsi_base.c,v 1.57 1997/12/30 21:36:51 is 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 (scsipi_command(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 < ADD_BYTES_LIM(sense); count++)
172 printf("0x%x ", sense->cmd_spec_info[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 = EROFS;
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 if ((xs->flags & SCSI_SILENT) == 0)
260 scsi_print_sense(xs, 0);
261 #else
262 if (key) {
263 sc_link->sc_print_addr(sc_link);
264 printf("%s", error_mes[key - 1]);
265 if ((sense->error_code & SSD_ERRCODE_VALID) != 0) {
266 switch (key) {
267 case 0x2: /* NOT READY */
268 case 0x5: /* ILLEGAL REQUEST */
269 case 0x6: /* UNIT ATTENTION */
270 case 0x7: /* DATA PROTECT */
271 break;
272 case 0x8: /* BLANK CHECK */
273 printf(", requested size: %d (decimal)",
274 info);
275 break;
276 case 0xb:
277 if (xs->retries)
278 printf(", retrying");
279 printf(", cmd 0x%x, info 0x%x",
280 xs->cmd->opcode, info);
281 break;
282 default:
283 printf(", info = %d (decimal)", info);
284 }
285 }
286 if (sense->extra_len != 0) {
287 int n;
288 printf(", data =");
289 for (n = 0; n < sense->extra_len; n++)
290 printf(" %02x",
291 sense->cmd_spec_info[n]);
292 }
293 printf("\n");
294 }
295 #endif
296 return (error);
297
298 /*
299 * Not code 70, just report it
300 */
301 default:
302 sc_link->sc_print_addr(sc_link);
303 printf("error code %d", sense->error_code & SSD_ERRCODE);
304 if ((sense->error_code & SSD_ERRCODE_VALID) != 0) {
305 struct scsipi_sense_data_unextended *usense =
306 (struct scsipi_sense_data_unextended *)sense;
307 printf(" at block no. %d (decimal)",
308 _3btol(usense->block));
309 }
310 printf("\n");
311 return (EIO);
312 }
313 }
314
315 /*
316 * Utility routines often used in SCSI stuff
317 */
318
319
320 /*
321 * Print out the scsi_link structure's address info.
322 */
323 void
324 scsi_print_addr(sc_link)
325 struct scsipi_link *sc_link;
326 {
327
328 printf("%s(%s:%d:%d): ",
329 sc_link->device_softc ?
330 ((struct device *)sc_link->device_softc)->dv_xname : "probe",
331 ((struct device *)sc_link->adapter_softc)->dv_xname,
332 sc_link->scsipi_scsi.target, sc_link->scsipi_scsi.lun);
333 }
334
335 #ifdef SCSIVERBOSE
336 static const char *sense_keys[16] = {
337 "No Additional Sense",
338 "Soft Error",
339 "Not Ready",
340 "Media Error",
341 "Hardware Error",
342 "Illegal Request",
343 "Unit Attention",
344 "Write Protected",
345 "Blank Check",
346 "Vendor Unique",
347 "Copy Aborted",
348 "Aborted Command",
349 "Equal Error",
350 "Volume Overflow",
351 "Miscompare Error",
352 "Reserved"
353 };
354 static const struct {
355 unsigned char asc;
356 unsigned char ascq;
357 char *description;
358 } adesc[] = {
359 { 0x00, 0x00, "No Additional Sense Information" },
360 { 0x00, 0x01, "Filemark Detected" },
361 { 0x00, 0x02, "End-Of-Partition/Medium Detected" },
362 { 0x00, 0x03, "Setmark Detected" },
363 { 0x00, 0x04, "Beginning-Of-Partition/Medium Detected" },
364 { 0x00, 0x05, "End-Of-Data Detected" },
365 { 0x00, 0x06, "I/O Process Terminated" },
366 { 0x00, 0x11, "Audio Play Operation In Progress" },
367 { 0x00, 0x12, "Audio Play Operation Paused" },
368 { 0x00, 0x13, "Audio Play Operation Successfully Completed" },
369 { 0x00, 0x14, "Audio Play Operation Stopped Due to Error" },
370 { 0x00, 0x15, "No Current Audio Status To Return" },
371 { 0x01, 0x00, "No Index/Sector Signal" },
372 { 0x02, 0x00, "No Seek Complete" },
373 { 0x03, 0x00, "Peripheral Device Write Fault" },
374 { 0x03, 0x01, "No Write Current" },
375 { 0x03, 0x02, "Excessive Write Errors" },
376 { 0x04, 0x00, "Logical Unit Not Ready, Cause Not Reportable" },
377 { 0x04, 0x01, "Logical Unit Is in Process Of Becoming Ready" },
378 { 0x04, 0x02, "Logical Unit Not Ready, Initialization Command Required" },
379 { 0x04, 0x03, "Logical Unit Not Ready, Manual Intervention Required" },
380 { 0x04, 0x04, "Logical Unit Not Ready, Format In Progress" },
381 { 0x05, 0x00, "Logical Unit Does Not Respond To Selection" },
382 { 0x06, 0x00, "No Reference Position Found" },
383 { 0x07, 0x00, "Multiple Peripheral Devices Selected" },
384 { 0x08, 0x00, "Logical Unit Communication Failure" },
385 { 0x08, 0x01, "Logical Unit Communication Timeout" },
386 { 0x08, 0x02, "Logical Unit Communication Parity Error" },
387 { 0x09, 0x00, "Track Following Error" },
388 { 0x09, 0x01, "Tracking Servo Failure" },
389 { 0x09, 0x02, "Focus Servo Failure" },
390 { 0x09, 0x03, "Spindle Servo Failure" },
391 { 0x0A, 0x00, "Error Log Overflow" },
392 { 0x0C, 0x00, "Write Error" },
393 { 0x0C, 0x01, "Write Error Recovered with Auto Reallocation" },
394 { 0x0C, 0x02, "Write Error - Auto Reallocate Failed" },
395 { 0x10, 0x00, "ID CRC Or ECC Error" },
396 { 0x11, 0x00, "Unrecovered Read Error" },
397 { 0x11, 0x01, "Read Retried Exhausted" },
398 { 0x11, 0x02, "Error Too Long To Correct" },
399 { 0x11, 0x03, "Multiple Read Errors" },
400 { 0x11, 0x04, "Unrecovered Read Error - Auto Reallocate Failed" },
401 { 0x11, 0x05, "L-EC Uncorrectable Error" },
402 { 0x11, 0x06, "CIRC Unrecovered Error" },
403 { 0x11, 0x07, "Data Resynchronization Error" },
404 { 0x11, 0x08, "Incomplete Block Found" },
405 { 0x11, 0x09, "No Gap Found" },
406 { 0x11, 0x0A, "Miscorrected Error" },
407 { 0x11, 0x0B, "Uncorrected Read Error - Recommend Reassignment" },
408 { 0x11, 0x0C, "Uncorrected Read Error - Recommend Rewrite the Data" },
409 { 0x12, 0x00, "Address Mark Not Found for ID Field" },
410 { 0x13, 0x00, "Address Mark Not Found for Data Field" },
411 { 0x14, 0x00, "Recorded Entity Not Found" },
412 { 0x14, 0x01, "Record Not Found" },
413 { 0x14, 0x02, "Filemark or Setmark Not Found" },
414 { 0x14, 0x03, "End-Of-Data Not Found" },
415 { 0x14, 0x04, "Block Sequence Error" },
416 { 0x15, 0x00, "Random Positioning Error" },
417 { 0x15, 0x01, "Mechanical Positioning Error" },
418 { 0x15, 0x02, "Positioning Error Detected By Read of Medium" },
419 { 0x16, 0x00, "Data Synchronization Mark Error" },
420 { 0x17, 0x00, "Recovered Data With No Error Correction Applied" },
421 { 0x17, 0x01, "Recovered Data With Retries" },
422 { 0x17, 0x02, "Recovered Data With Positive Head Offset" },
423 { 0x17, 0x03, "Recovered Data With Negative Head Offset" },
424 { 0x17, 0x04, "Recovered Data With Retries and/or CIRC Applied" },
425 { 0x17, 0x05, "Recovered Data Using Previous Sector ID" },
426 { 0x17, 0x06, "Recovered Data Without ECC - Data Auto-Reallocated" },
427 { 0x17, 0x07, "Recovered Data Without ECC - Recommend Reassignment" },
428 { 0x17, 0x08, "Recovered Data Without ECC - Recommend Rewrite" },
429 { 0x18, 0x00, "Recovered Data With Error Correction Applied" },
430 { 0x18, 0x01, "Recovered Data With Error Correction & Retries Applied" },
431 { 0x18, 0x02, "Recovered Data - Data Auto-Reallocated" },
432 { 0x18, 0x03, "Recovered Data With CIRC" },
433 { 0x18, 0x04, "Recovered Data With LEC" },
434 { 0x18, 0x05, "Recovered Data - Recommend Reassignment" },
435 { 0x18, 0x06, "Recovered Data - Recommend Rewrite" },
436 { 0x19, 0x00, "Defect List Error" },
437 { 0x19, 0x01, "Defect List Not Available" },
438 { 0x19, 0x02, "Defect List Error in Primary List" },
439 { 0x19, 0x03, "Defect List Error in Grown List" },
440 { 0x1A, 0x00, "Parameter List Length Error" },
441 { 0x1B, 0x00, "Synchronous Data Transfer Error" },
442 { 0x1C, 0x00, "Defect List Not Found" },
443 { 0x1C, 0x01, "Primary Defect List Not Found" },
444 { 0x1C, 0x02, "Grown Defect List Not Found" },
445 { 0x1D, 0x00, "Miscompare During Verify Operation" },
446 { 0x1E, 0x00, "Recovered ID with ECC" },
447 { 0x20, 0x00, "Invalid Command Operation Code" },
448 { 0x21, 0x00, "Logical Block Address Out of Range" },
449 { 0x21, 0x01, "Invalid Element Address" },
450 { 0x22, 0x00, "Illegal Function (Should 20 00, 24 00, or 26 00)" },
451 { 0x24, 0x00, "Illegal Field in CDB" },
452 { 0x25, 0x00, "Logical Unit Not Supported" },
453 { 0x26, 0x00, "Invalid Field In Parameter List" },
454 { 0x26, 0x01, "Parameter Not Supported" },
455 { 0x26, 0x02, "Parameter Value Invalid" },
456 { 0x26, 0x03, "Threshold Parameters Not Supported" },
457 { 0x27, 0x00, "Write Protected" },
458 { 0x28, 0x00, "Not Ready To Ready Transition (Medium May Have Changed)" },
459 { 0x28, 0x01, "Import Or Export Element Accessed" },
460 { 0x29, 0x00, "Power On, Reset, or Bus Device Reset Occurred" },
461 { 0x2A, 0x00, "Parameters Changed" },
462 { 0x2A, 0x01, "Mode Parameters Changed" },
463 { 0x2A, 0x02, "Log Parameters Changed" },
464 { 0x2B, 0x00, "Copy Cannot Execute Since Host Cannot Disconnect" },
465 { 0x2C, 0x00, "Command Sequence Error" },
466 { 0x2C, 0x01, "Too Many Windows Specified" },
467 { 0x2C, 0x02, "Invalid Combination of Windows Specified" },
468 { 0x2D, 0x00, "Overwrite Error On Update In Place" },
469 { 0x2F, 0x00, "Commands Cleared By Another Initiator" },
470 { 0x30, 0x00, "Incompatible Medium Installed" },
471 { 0x30, 0x01, "Cannot Read Medium - Unknown Format" },
472 { 0x30, 0x02, "Cannot Read Medium - Incompatible Format" },
473 { 0x30, 0x03, "Cleaning Cartridge Installed" },
474 { 0x31, 0x00, "Medium Format Corrupted" },
475 { 0x31, 0x01, "Format Command Failed" },
476 { 0x32, 0x00, "No Defect Spare Location Available" },
477 { 0x32, 0x01, "Defect List Update Failure" },
478 { 0x33, 0x00, "Tape Length Error" },
479 { 0x36, 0x00, "Ribbon, Ink, or Toner Failure" },
480 { 0x37, 0x00, "Rounded Parameter" },
481 { 0x39, 0x00, "Saving Parameters Not Supported" },
482 { 0x3A, 0x00, "Medium Not Present" },
483 { 0x3B, 0x00, "Positioning Error" },
484 { 0x3B, 0x01, "Tape Position Error At Beginning-of-Medium" },
485 { 0x3B, 0x02, "Tape Position Error At End-of-Medium" },
486 { 0x3B, 0x03, "Tape or Electronic Vertical Forms Unit Not Ready" },
487 { 0x3B, 0x04, "Slew Failure" },
488 { 0x3B, 0x05, "Paper Jam" },
489 { 0x3B, 0x06, "Failed To Sense Top-Of-Form" },
490 { 0x3B, 0x07, "Failed To Sense Bottom-Of-Form" },
491 { 0x3B, 0x08, "Reposition Error" },
492 { 0x3B, 0x09, "Read Past End Of Medium" },
493 { 0x3B, 0x0A, "Read Past Begining Of Medium" },
494 { 0x3B, 0x0B, "Position Past End Of Medium" },
495 { 0x3B, 0x0C, "Position Past Beginning Of Medium" },
496 { 0x3B, 0x0D, "Medium Destination Element Full" },
497 { 0x3B, 0x0E, "Medium Source Element Empty" },
498 { 0x3D, 0x00, "Invalid Bits In IDENTFY Message" },
499 { 0x3E, 0x00, "Logical Unit Has Not Self-Configured Yet" },
500 { 0x3F, 0x00, "Target Operating Conditions Have Changed" },
501 { 0x3F, 0x01, "Microcode Has Changed" },
502 { 0x3F, 0x02, "Changed Operating Definition" },
503 { 0x3F, 0x03, "INQUIRY Data Has Changed" },
504 { 0x40, 0x00, "RAM FAILURE (Should Use 40 NN)" },
505 { 0x41, 0x00, "Data Path FAILURE (Should Use 40 NN)" },
506 { 0x42, 0x00, "Power-On or Self-Test FAILURE (Should Use 40 NN)" },
507 { 0x43, 0x00, "Message Error" },
508 { 0x44, 0x00, "Internal Target Failure" },
509 { 0x45, 0x00, "Select Or Reselect Failure" },
510 { 0x46, 0x00, "Unsuccessful Soft Reset" },
511 { 0x47, 0x00, "SCSI Parity Error" },
512 { 0x48, 0x00, "INITIATOR DETECTED ERROR Message Received" },
513 { 0x49, 0x00, "Invalid Message Error" },
514 { 0x4A, 0x00, "Command Phase Error" },
515 { 0x4B, 0x00, "Data Phase Error" },
516 { 0x4C, 0x00, "Logical Unit Failed Self-Configuration" },
517 { 0x4E, 0x00, "Overlapped Commands Attempted" },
518 { 0x50, 0x00, "Write Append Error" },
519 { 0x50, 0x01, "Write Append Position Error" },
520 { 0x50, 0x01, "Write Append Position Error" },
521 { 0x50, 0x02, "Position Error Related To Timing" },
522 { 0x51, 0x00, "Erase Failure" },
523 { 0x52, 0x00, "Cartridge Fault" },
524 { 0x53, 0x00, "Media Load or Eject Failed" },
525 { 0x53, 0x01, "Unload Tape Failure" },
526 { 0x53, 0x02, "Medium Removal Prevented" },
527 { 0x54, 0x00, "SCSI To Host System Interface Failure" },
528 { 0x55, 0x00, "System Resource Failure" },
529 { 0x57, 0x00, "Unable To Recover Table-Of-Contents" },
530 { 0x58, 0x00, "Generation Does Not Exist" },
531 { 0x59, 0x00, "Updated Block Read" },
532 { 0x5A, 0x00, "Operator Request or State Change Input (Unspecified)" },
533 { 0x5A, 0x01, "Operator Medium Removal Requested" },
534 { 0x5A, 0x02, "Operator Selected Write Protect" },
535 { 0x5A, 0x03, "Operator Selected Write Permit" },
536 { 0x5B, 0x00, "Log Exception" },
537 { 0x5B, 0x01, "Threshold Condition Met" },
538 { 0x5B, 0x02, "Log Counter At Maximum" },
539 { 0x5B, 0x03, "Log List Codes Exhausted" },
540 { 0x5C, 0x00, "RPL Status Change" },
541 { 0x5C, 0x01, "Spindles Synchronized" },
542 { 0x5C, 0x02, "Spindles Not Synchronized" },
543 { 0x60, 0x00, "Lamp Failure" },
544 { 0x61, 0x00, "Video Acquisition Error" },
545 { 0x61, 0x01, "Unable To Acquire Video" },
546 { 0x61, 0x02, "Out Of Focus" },
547 { 0x62, 0x00, "Scan Head Positioning Error" },
548 { 0x63, 0x00, "End Of User Area Encountered On This Track" },
549 { 0x64, 0x00, "Illegal Mode For This Track" },
550 { 0x00, 0x00, NULL }
551 };
552
553 static inline void
554 asc2ascii(asc, ascq, result)
555 unsigned char asc, ascq;
556 char *result;
557 {
558 register int i = 0;
559
560 while (adesc[i].description != NULL) {
561 if (adesc[i].asc == asc && adesc[i].ascq == ascq)
562 break;
563 i++;
564 }
565 if (adesc[i].description == NULL) {
566 if (asc == 0x40 && ascq != 0)
567 (void)sprintf(result,
568 "Diagnostic Failure on Component 0x%02x",
569 ascq & 0xff);
570 else
571 (void)sprintf(result, "ASC 0x%02x ASCQ 0x%02x",
572 asc & 0xff, ascq & 0xff);
573 } else
574 (void)strcpy(result, adesc[i].description);
575 }
576
577 void
578 scsi_print_sense(xs, verbosity)
579 struct scsipi_xfer *xs;
580 int verbosity;
581 {
582 int32_t info;
583 register int i, j, k;
584 char *sbs, *s;
585
586 xs->sc_link->sc_print_addr(xs->sc_link);
587 s = (char *) &xs->sense.scsi_sense;
588 printf(" Check Condition on opcode 0x%x\n", xs->cmd->opcode);
589
590 /*
591 * Basics- print out SENSE KEY
592 */
593 printf(" SENSE KEY: %s", scsi_decode_sense(s, 0));
594
595 /*
596 * Print out, unqualified but aligned, FMK, EOM and ILI status.
597 */
598 if (s[2] & 0xe0) {
599 char pad;
600 printf("\n ");
601 pad = ' ';
602 if (s[2] & SSD_FILEMARK) {
603 printf("%c Filemark Detected", pad);
604 pad = ',';
605 }
606 if (s[2] & SSD_EOM) {
607 printf("%c EOM Detected", pad);
608 pad = ',';
609 }
610 if (s[2] & SSD_ILI)
611 printf("%c Incorrect Length Indicator Set", pad);
612 }
613
614 /*
615 * Now we should figure out, based upon device type, how
616 * to format the information field. Unfortunately, that's
617 * not convenient here, so we'll print it as a signed
618 * 32 bit integer.
619 */
620 info = _4btol(&s[3]);
621 if (info)
622 printf("\n INFO FIELD: %d", info);
623
624 /*
625 * Now we check additional length to see whether there is
626 * more information to extract.
627 */
628
629 /* enough for command specific information? */
630 if (s[7] < 4) {
631 printf("\n");
632 return;
633 }
634 info = _4btol(&s[8]);
635 if (info)
636 printf("\n COMMAND INFO: %d (0x%x)", info, info);
637
638 /*
639 * Decode ASC && ASCQ info, plus FRU, plus the rest...
640 */
641
642 sbs = scsi_decode_sense(s, 1);
643 if (sbs)
644 printf("\n ASC/ASCQ: %s", sbs);
645 if (s[14] != 0)
646 printf("\n FRU CODE: 0x%x", s[14] & 0xff);
647 sbs = scsi_decode_sense(s, 3);
648 if (sbs)
649 printf("\n SKSV: %s", sbs);
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 for (j = i; j < sizeof (xs->sense); j++)
671 if (s[j])
672 break;
673 if (j == sizeof (xs->sense))
674 return;
675
676 printf("\n Additional Sense Information (byte %d out...):\n", i);
677 if (i == 15) {
678 printf("\n\t%2d:", i);
679 k = 7;
680 } else {
681 printf("\n\t%2d:", i);
682 k = 2;
683 j -= 2;
684 }
685 while (j > 0) {
686 if (i >= sizeof (xs->sense))
687 break;
688 if (k == 8) {
689 k = 0;
690 printf("\n\t%2d:", i);
691 }
692 printf(" 0x%02x", s[i] & 0xff);
693 k++;
694 j--;
695 i++;
696 }
697 printf("\n\n");
698 }
699
700 char *
701 scsi_decode_sense(sinfo, flag)
702 void *sinfo;
703 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 if (flag == 0) { /* Sense Key Only */
715 (void) strcpy(rqsbuf, sense_keys[skey]);
716 return (rqsbuf);
717 } else if (flag == 1) { /* ASC/ASCQ Only */
718 asc2ascii(snsbuf[12], snsbuf[13], rqsbuf);
719 return (rqsbuf);
720 } else if (flag == 2) { /* Sense Key && ASC/ASCQ */
721 auto char localbuf[64];
722 asc2ascii(snsbuf[12], snsbuf[13], localbuf);
723 (void) sprintf(rqsbuf, "%s, %s", sense_keys[skey], localbuf);
724 return (rqsbuf);
725 } else if (flag == 3 && snsbuf[7] >= 9 && (snsbuf[15] & 0x80)) {
726 /*
727 * SKSV Data
728 */
729 switch (skey) {
730 case 0x5: /* Illegal Request */
731 if (snsbuf[15] & 0x8)
732 (void)sprintf(rqsbuf,
733 "Error in %s, Offset %d, bit %d",
734 (snsbuf[15] & 0x40)? "CDB" : "Parameters",
735 (snsbuf[16] & 0xff) << 8 |
736 (snsbuf[17] & 0xff), snsbuf[15] & 0x7);
737 else
738 (void)sprintf(rqsbuf,
739 "Error in %s, Offset %d",
740 (snsbuf[15] & 0x40)? "CDB" : "Parameters",
741 (snsbuf[16] & 0xff) << 8 |
742 (snsbuf[17] & 0xff));
743 return (rqsbuf);
744 case 0x1:
745 case 0x3:
746 case 0x4:
747 (void)sprintf(rqsbuf, "Actual Retry Count: %d",
748 (snsbuf[16] & 0xff) << 8 | (snsbuf[17] & 0xff));
749 return (rqsbuf);
750 case 0x2:
751 (void)sprintf(rqsbuf, "Progress Indicator: %d",
752 (snsbuf[16] & 0xff) << 8 | (snsbuf[17] & 0xff));
753 return (rqsbuf);
754 default:
755 break;
756 }
757 }
758 return (NULL);
759 }
760 #endif
761