scsiconf.c revision 1.48 1 /* $NetBSD: scsiconf.c,v 1.48 1996/02/14 21:47:27 christos Exp $ */
2
3 /*
4 * Copyright (c) 1994 Charles 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 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) tfs.com)
34 * for TRW Financial Systems for use under the MACH(2.5) operating system.
35 *
36 * TRW Financial Systems, in accordance with their agreement with Carnegie
37 * Mellon University, makes this software available to CMU to distribute
38 * or use in any manner that they see fit as long as this message is kept with
39 * the software. For this reason TFS also grants any other persons or
40 * organisations permission to use or modify this software.
41 *
42 * TFS supplies this software to be publicly redistributed
43 * on the understanding that TFS is not responsible for the correct
44 * functioning of this software in any circumstances.
45 *
46 * Ported to run under 386BSD by Julian Elischer (julian (at) tfs.com) Sept 1992
47 */
48
49 #include <sys/types.h>
50 #include <sys/param.h>
51 #include <sys/systm.h>
52 #include <sys/malloc.h>
53 #include <sys/device.h>
54 #include <sys/cpu.h>
55
56 #include <scsi/scsi_all.h>
57 #include <scsi/scsiconf.h>
58
59 #if 0
60 #if NCALS > 0
61 { T_PROCESSOR, T_FIXED, 1,
62 0, 0, 0 },
63 #endif /* NCALS */
64 #if NBLL > 0
65 { T_PROCESSOR, T_FIXED, 1,
66 "AEG ", "READER ", "V1.0" },
67 #endif /* NBLL */
68 #if NKIL > 0
69 { T_SCANNER, T_FIXED, 0,
70 "KODAK ", "IL Scanner 900 ", 0 },
71 #endif /* NKIL */
72 #endif
73
74 /*
75 * Declarations
76 */
77 void scsi_probedev __P((struct scsibus_softc *, int, int));
78 int scsi_probe_bus __P((int bus, int target, int lun));
79 void scsi_strvis __P((u_char *, u_char *, int));
80
81 struct scsi_device probe_switch = {
82 NULL,
83 NULL,
84 NULL,
85 NULL,
86 };
87
88 int scsibusmatch __P((struct device *, void *, void *));
89 void scsibusattach __P((struct device *, struct device *, void *));
90 int scsibussubmatch __P((struct device *, void *, void *));
91
92 struct cfdriver scsibuscd = {
93 NULL, "scsibus", scsibusmatch, scsibusattach, DV_DULL,
94 sizeof(struct scsibus_softc)
95 };
96
97 int
98 scsibusmatch(parent, match, aux)
99 struct device *parent;
100 void *match, *aux;
101 {
102
103 return 1;
104 }
105
106 /*
107 * The routine called by the adapter boards to get all their
108 * devices configured in.
109 */
110 void
111 scsibusattach(parent, self, aux)
112 struct device *parent, *self;
113 void *aux;
114 {
115 struct scsibus_softc *sb = (struct scsibus_softc *)self;
116 struct scsi_link *sc_link_proto = aux;
117
118 sc_link_proto->scsibus = sb->sc_dev.dv_unit;
119 sb->adapter_link = sc_link_proto;
120 printf("\n");
121
122 #if defined(SCSI_DELAY) && SCSI_DELAY > 2
123 printf("%s: waiting for scsi devices to settle\n",
124 sb->sc_dev.dv_xname);
125 #else /* SCSI_DELAY > 2 */
126 #undef SCSI_DELAY
127 #define SCSI_DELAY 2
128 #endif /* SCSI_DELAY */
129 delay(1000000 * SCSI_DELAY);
130
131 scsi_probe_bus(sb->sc_dev.dv_unit, -1, -1);
132 }
133
134 int
135 scsibussubmatch(parent, match, aux)
136 struct device *parent;
137 void *match, *aux;
138 {
139 struct cfdata *cf = match;
140 struct scsibus_attach_args *sa = aux;
141 struct scsi_link *sc_link = sa->sa_sc_link;
142
143 if (cf->cf_loc[0] != -1 && cf->cf_loc[0] != sc_link->target)
144 return 0;
145 if (cf->cf_loc[1] != -1 && cf->cf_loc[1] != sc_link->lun)
146 return 0;
147 return ((*cf->cf_driver->cd_match)(parent, match, aux));
148 }
149
150 /*
151 * Probe the requested scsi bus. It must be already set up.
152 * -1 requests all set up scsi busses.
153 * target and lun optionally narrow the search if not -1
154 */
155 int
156 scsi_probe_busses(bus, target, lun)
157 int bus, target, lun;
158 {
159
160 if (bus == -1) {
161 for (bus = 0; bus < scsibuscd.cd_ndevs; bus++)
162 if (scsibuscd.cd_devs[bus])
163 scsi_probe_bus(bus, target, lun);
164 return 0;
165 } else {
166 return scsi_probe_bus(bus, target, lun);
167 }
168 }
169
170 /*
171 * Probe the requested scsi bus. It must be already set up.
172 * target and lun optionally narrow the search if not -1
173 */
174 int
175 scsi_probe_bus(bus, target, lun)
176 int bus, target, lun;
177 {
178 struct scsibus_softc *scsi;
179 int maxtarget, mintarget, maxlun, minlun;
180 u_int8_t scsi_addr;
181
182 if (bus < 0 || bus >= scsibuscd.cd_ndevs)
183 return ENXIO;
184 scsi = scsibuscd.cd_devs[bus];
185 if (!scsi)
186 return ENXIO;
187
188 scsi_addr = scsi->adapter_link->adapter_target;
189
190 if (target == -1) {
191 maxtarget = 7;
192 mintarget = 0;
193 } else {
194 if (target < 0 || target > 7)
195 return EINVAL;
196 maxtarget = mintarget = target;
197 }
198
199 if (lun == -1) {
200 maxlun = 7;
201 minlun = 0;
202 } else {
203 if (lun < 0 || lun > 7)
204 return EINVAL;
205 maxlun = minlun = lun;
206 }
207
208 for (target = mintarget; target <= maxtarget; target++) {
209 if (target == scsi_addr)
210 continue;
211 for (lun = minlun; lun <= maxlun; lun++) {
212 /*
213 * See if there's a device present, and configure it.
214 */
215 scsi_probedev(scsi, target, lun);
216 if ((scsi->moreluns & (1 << target)) == 0)
217 break;
218 /* otherwise something says we should look further */
219 }
220 }
221 return 0;
222 }
223
224 void
225 scsi_strvis(dst, src, len)
226 u_char *dst, *src;
227 int len;
228 {
229
230 /* Trim leading and trailing blanks and NULs. */
231 while (len > 0 && (src[0] == ' ' || src[0] == '\0'))
232 ++src, --len;
233 while (len > 0 && (src[len-1] == ' ' || src[len-1] == '\0'))
234 --len;
235
236 while (len > 0) {
237 if (*src < 0x20 || *src >= 0x80) {
238 /* non-printable characters */
239 *dst++ = '\\';
240 *dst++ = ((*src & 0300) >> 6) + '0';
241 *dst++ = ((*src & 0070) >> 3) + '0';
242 *dst++ = ((*src & 0007) >> 0) + '0';
243 } else if (*src == '\\') {
244 /* quote characters */
245 *dst++ = '\\';
246 *dst++ = '\\';
247 } else {
248 /* normal characters */
249 *dst++ = *src;
250 }
251 ++src, --len;
252 }
253
254 *dst++ = 0;
255 }
256
257 struct scsi_quirk_inquiry_pattern {
258 struct scsi_inquiry_pattern pattern;
259 u_int8_t quirks;
260 };
261
262 struct scsi_quirk_inquiry_pattern scsi_quirk_patterns[] = {
263 {{T_CDROM, T_REMOV,
264 "CHINON ", "CD-ROM CDS-431 ", ""}, SDEV_NOLUNS},
265 {{T_CDROM, T_REMOV,
266 "Chinon ", "CD-ROM CDS-525 ", ""}, SDEV_NOLUNS},
267 {{T_CDROM, T_REMOV,
268 "CHINON ", "CD-ROM CDS-535 ", ""}, SDEV_NOLUNS},
269 {{T_CDROM, T_REMOV,
270 "DENON ", "DRD-25X ", "V"}, SDEV_NOLUNS},
271 {{T_CDROM, T_REMOV,
272 "IMS ", "CDD521/10 ", "2.06"}, SDEV_NOLUNS},
273 {{T_CDROM, T_REMOV,
274 "MEDIAVIS", "CDR-H93MV ", "1.31"}, SDEV_NOLUNS},
275 {{T_CDROM, T_REMOV,
276 "NEC ", "CD-ROM DRIVE:55 ", ""}, SDEV_NOLUNS},
277 {{T_CDROM, T_REMOV,
278 "NEC ", "CD-ROM DRIVE:83 ", ""}, SDEV_NOLUNS},
279 {{T_CDROM, T_REMOV,
280 "NEC ", "CD-ROM DRIVE:84 ", ""}, SDEV_NOLUNS},
281 {{T_CDROM, T_REMOV,
282 "NEC ", "CD-ROM DRIVE:841", ""}, SDEV_NOLUNS},
283 {{T_CDROM, T_REMOV,
284 "SONY ", "CD-ROM CDU-541 ", ""}, SDEV_NOLUNS},
285 {{T_CDROM, T_REMOV,
286 "SONY ", "CD-ROM CDU-55S ", ""}, SDEV_NOLUNS},
287 {{T_CDROM, T_REMOV,
288 "SONY ", "CD-ROM CDU-8003A", ""}, SDEV_NOLUNS},
289 {{T_CDROM, T_REMOV,
290 "SONY ", "CD-ROM CDU-8012 ", ""}, SDEV_NOLUNS},
291 {{T_CDROM, T_REMOV,
292 "TEAC ", "CD-ROM ", "1.06"}, SDEV_NOLUNS},
293 {{T_CDROM, T_REMOV,
294 "TEXEL ", "CD-ROM ", "1.06"}, SDEV_NOLUNS},
295 {{T_CDROM, T_REMOV,
296 "TEXEL ", "CD-ROM DM-XX24 K", "1.10"}, SDEV_NOLUNS},
297
298 {{T_DIRECT, T_FIXED,
299 "EMULEX ", "MD21/S2 ESDI", "A00"}, SDEV_FORCELUNS},
300 {{T_DIRECT, T_FIXED,
301 "MAXTOR ", "XT-3280 ", ""}, SDEV_NOLUNS},
302 {{T_DIRECT, T_FIXED,
303 "MAXTOR ", "XT-4380S ", ""}, SDEV_NOLUNS},
304 {{T_DIRECT, T_FIXED,
305 "MAXTOR ", "MXT-1240S ", ""}, SDEV_NOLUNS},
306 {{T_DIRECT, T_FIXED,
307 "MAXTOR ", "XT-4170S ", ""}, SDEV_NOLUNS},
308 {{T_DIRECT, T_FIXED,
309 "MAXTOR ", "XT-8760S ", ""}, SDEV_NOLUNS},
310 {{T_DIRECT, T_FIXED,
311 "MAXTOR ", "LXT-213S ", ""}, SDEV_NOLUNS},
312 {{T_DIRECT, T_FIXED,
313 "MAXTOR ", "LXT-213S SUN0207", ""}, SDEV_NOLUNS},
314 {{T_DIRECT, T_FIXED,
315 "MST ", "SnapLink ", ""}, SDEV_NOLUNS},
316 {{T_DIRECT, T_FIXED,
317 "QUANTUM ", "LPS525S ", ""}, SDEV_NOLUNS},
318 {{T_DIRECT, T_FIXED,
319 "QUANTUM ", "P105S 910-10-94x", ""}, SDEV_NOLUNS},
320 {{T_DIRECT, T_FIXED,
321 "QUANTUM ", "PD1225S ", ""}, SDEV_NOLUNS},
322 {{T_DIRECT, T_FIXED,
323 "QUANTUM ", "PD210S SUN0207", ""}, SDEV_NOLUNS},
324 {{T_DIRECT, T_FIXED,
325 "RODIME ", "RO3000S ", ""}, SDEV_NOLUNS},
326 {{T_DIRECT, T_FIXED,
327 "SEAGATE ", "ST157N ", ""}, SDEV_NOLUNS},
328 {{T_DIRECT, T_FIXED,
329 "SEAGATE ", "ST296 ", ""}, SDEV_NOLUNS},
330 {{T_DIRECT, T_FIXED,
331 "SEAGATE ", "ST296N ", ""}, SDEV_NOLUNS},
332 {{T_DIRECT, T_FIXED,
333 "TOSHIBA ", "MK538FB ", "6027"}, SDEV_NOLUNS},
334
335 /* XXX: QIC-36 tape behind Emulex adapter. Very broken. */
336 {{T_SEQUENTIAL, T_REMOV,
337 " ", " ", " "}, SDEV_NOLUNS},
338 {{T_SEQUENTIAL, T_REMOV,
339 "CALIPER ", "CP150 ", ""}, SDEV_NOLUNS},
340 {{T_SEQUENTIAL, T_REMOV,
341 "EXABYTE ", "EXB-8200 ", ""}, SDEV_NOLUNS},
342 {{T_SEQUENTIAL, T_REMOV,
343 "SONY ", "SDT-2000 ", "2.09"}, SDEV_NOLUNS},
344 {{T_SEQUENTIAL, T_REMOV,
345 "SONY ", "SDT-5000 ", "3."}, SDEV_NOSYNCWIDE},
346 {{T_SEQUENTIAL, T_REMOV,
347 "SONY ", "SDT-5200 ", "3."}, SDEV_NOLUNS},
348 {{T_SEQUENTIAL, T_REMOV,
349 "TANDBERG", " TDC 3600 ", ""}, SDEV_NOLUNS},
350 /* Following entry reported as a Tandberg 3600; ref. PR1933 */
351 {{T_SEQUENTIAL, T_REMOV,
352 "ARCHIVE ", "VIPER 150 21247", ""}, SDEV_NOLUNS},
353 {{T_SEQUENTIAL, T_REMOV,
354 "WANGTEK ", "5099ES SCSI", ""}, SDEV_NOLUNS},
355 {{T_SEQUENTIAL, T_REMOV,
356 "WANGTEK ", "5150ES SCSI", ""}, SDEV_NOLUNS},
357 {{T_SEQUENTIAL, T_REMOV,
358 "WangDAT ", "Model 1300 ", "02.4"}, SDEV_NOSYNCWIDE},
359 {{T_SEQUENTIAL, T_REMOV,
360 "WangDAT ", "Model 2600 ", "01.7"}, SDEV_NOSYNCWIDE},
361 {{T_SEQUENTIAL, T_REMOV,
362 "WangDAT ", "Model 3200 ", "02.2"}, SDEV_NOSYNCWIDE},
363 };
364
365 /*
366 * given a target and lu, ask the device what
367 * it is, and find the correct driver table
368 * entry.
369 */
370 void
371 scsi_probedev(scsi, target, lun)
372 struct scsibus_softc *scsi;
373 int target, lun;
374 {
375 struct scsi_link *sc_link;
376 static struct scsi_inquiry_data inqbuf;
377 struct scsi_quirk_inquiry_pattern *finger;
378 int priority;
379 u_int8_t type;
380 boolean removable;
381 char *dtype, *qtype;
382 char vendor[33], product[65], revision[17];
383 struct scsibus_attach_args sa;
384 struct cfdata *cf;
385
386 /* Skip this slot if it is already attached. */
387 if (scsi->sc_link[target][lun])
388 return;
389
390 sc_link = malloc(sizeof(*sc_link), M_DEVBUF, M_NOWAIT);
391 *sc_link = *scsi->adapter_link;
392 sc_link->target = target;
393 sc_link->lun = lun;
394 sc_link->device = &probe_switch;
395
396 /*
397 * Ask the device what it is
398 */
399 #ifdef SCSIDEBUG
400 if (target == DEBUGTARGET && lun == DEBUGLUN)
401 sc_link->flags |= DEBUGLEVEL;
402 #endif /* SCSIDEBUG */
403
404 (void) scsi_test_unit_ready(sc_link,
405 SCSI_AUTOCONF | SCSI_IGNORE_ILLEGAL_REQUEST | SCSI_IGNORE_NOT_READY | SCSI_IGNORE_MEDIA_CHANGE);
406
407 #ifdef SCSI_2_DEF
408 /* some devices need to be told to go to SCSI2 */
409 /* However some just explode if you tell them this.. leave it out */
410 scsi_change_def(sc_link, SCSI_AUTOCONF | SCSI_SILENT);
411 #endif /* SCSI_2_DEF */
412
413 /* Now go ask the device all about itself. */
414 bzero(&inqbuf, sizeof(inqbuf));
415 if (scsi_inquire(sc_link, &inqbuf, SCSI_AUTOCONF) != 0)
416 goto bad;
417
418 {
419 int len = inqbuf.additional_length;
420 while (len < 3)
421 inqbuf.unused[len++] = '\0';
422 while (len < 3 + 28)
423 inqbuf.unused[len++] = ' ';
424 }
425
426 finger = (struct scsi_quirk_inquiry_pattern *)scsi_inqmatch(&inqbuf,
427 (caddr_t)scsi_quirk_patterns,
428 sizeof(scsi_quirk_patterns)/sizeof(scsi_quirk_patterns[0]),
429 sizeof(scsi_quirk_patterns[0]), &priority);
430 if (priority != 0)
431 sc_link->quirks |= finger->quirks;
432 if ((inqbuf.version & SID_ANSII) == 0 &&
433 (sc_link->quirks & SDEV_FORCELUNS) == 0)
434 sc_link->quirks |= SDEV_NOLUNS;
435
436 if ((sc_link->quirks & SDEV_NOLUNS) == 0)
437 scsi->moreluns |= (1 << target);
438
439 /*
440 * note what BASIC type of device it is
441 */
442 type = inqbuf.device & SID_TYPE;
443 removable = inqbuf.dev_qual2 & SID_REMOVABLE ? 1 : 0;
444
445 if (removable)
446 sc_link->flags |= SDEV_REMOVABLE;
447
448 /*
449 * Any device qualifier that has the top bit set (qualifier&4 != 0)
450 * is vendor specific and won't match in this switch.
451 */
452 dtype = 0;
453 switch (inqbuf.device & SID_QUAL) {
454 case SID_QUAL_LU_OK:
455 qtype = "";
456 break;
457
458 case SID_QUAL_LU_OFFLINE:
459 qtype = " offline";
460 break;
461
462 case SID_QUAL_RSVD:
463 case SID_QUAL_BAD_LU:
464 goto bad;
465
466 default:
467 qtype = "";
468 dtype = "vendor-unique";
469 break;
470 }
471 if (dtype == 0) {
472 switch (type) {
473 case T_DIRECT:
474 dtype = "direct";
475 break;
476 case T_SEQUENTIAL:
477 dtype = "sequential";
478 break;
479 case T_PRINTER:
480 dtype = "printer";
481 break;
482 case T_PROCESSOR:
483 dtype = "processor";
484 break;
485 case T_CDROM:
486 dtype = "cdrom";
487 break;
488 case T_WORM:
489 dtype = "worm";
490 break;
491 case T_SCANNER:
492 dtype = "scanner";
493 break;
494 case T_OPTICAL:
495 dtype = "optical";
496 break;
497 case T_CHANGER:
498 dtype = "changer";
499 break;
500 case T_COMM:
501 dtype = "communication";
502 break;
503 case T_NODEVICE:
504 goto bad;
505 default:
506 dtype = "unknown";
507 break;
508 }
509 }
510
511 scsi_strvis(vendor, inqbuf.vendor, 8);
512 scsi_strvis(product, inqbuf.product, 16);
513 scsi_strvis(revision, inqbuf.revision, 4);
514
515 printf("%s targ %d lun %d: <%s, %s, %s> SCSI%d %d/%s %s%s\n",
516 ((struct device *)sc_link->adapter_softc)->dv_xname,
517 target, lun, vendor, product, revision,
518 inqbuf.version & SID_ANSII, type, dtype,
519 removable ? "removable" : "fixed", qtype);
520
521 sa.sa_sc_link = sc_link;
522 sa.sa_inqbuf = &inqbuf;
523
524 if ((cf = config_search(scsibussubmatch, (struct device *)scsi, &sa)) != 0) {
525 scsi->sc_link[target][lun] = sc_link;
526 config_attach((struct device *)scsi, cf, &sa, NULL);
527 } else
528 goto bad;
529
530 return;
531
532 bad:
533 free(sc_link, M_DEVBUF);
534 return;
535 }
536
537 /*
538 * Return a priority based on how much of the inquiry data matches
539 * the patterns for the particular driver.
540 */
541 caddr_t
542 scsi_inqmatch(inqbuf, base, nmatches, matchsize, bestpriority)
543 struct scsi_inquiry_data *inqbuf;
544 caddr_t base;
545 int nmatches, matchsize;
546 int *bestpriority;
547 {
548 u_int8_t type;
549 boolean removable;
550 caddr_t bestmatch;
551
552 /* Include the qualifier to catch vendor-unique types. */
553 type = inqbuf->device;
554 removable = inqbuf->dev_qual2 & SID_REMOVABLE ? T_REMOV : T_FIXED;
555
556 for (*bestpriority = 0, bestmatch = 0; nmatches--; base += matchsize) {
557 struct scsi_inquiry_pattern *match = (void *)base;
558 int priority, len;
559
560 if (type != match->type)
561 continue;
562 if (removable != match->removable)
563 continue;
564 priority = 2;
565 len = strlen(match->vendor);
566 if (bcmp(inqbuf->vendor, match->vendor, len))
567 continue;
568 priority += len;
569 len = strlen(match->product);
570 if (bcmp(inqbuf->product, match->product, len))
571 continue;
572 priority += len;
573 len = strlen(match->revision);
574 if (bcmp(inqbuf->revision, match->revision, len))
575 continue;
576 priority += len;
577
578 #if SCSIDEBUG
579 printf("scsi_inqmatch: %d/%d/%d <%s, %s, %s>\n",
580 priority, match->type, match->removable,
581 match->vendor, match->product, match->revision);
582 #endif
583 if (priority > *bestpriority) {
584 *bestpriority = priority;
585 bestmatch = base;
586 }
587 }
588
589 return (bestmatch);
590 }
591