scsiconf.c revision 1.80 1 /* $NetBSD: scsiconf.c,v 1.80 1997/04/19 21:32:37 pk 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
55 #include <scsi/scsi_all.h>
56 #include <scsi/scsiconf.h>
57
58 #if 0
59 #if NCALS > 0
60 { T_PROCESSOR, T_FIXED, 1,
61 0, 0, 0 },
62 #endif /* NCALS */
63 #if NBLL > 0
64 { T_PROCESSOR, T_FIXED, 1,
65 "AEG ", "READER ", "V1.0" },
66 #endif /* NBLL */
67 #if NKIL > 0
68 { T_SCANNER, T_FIXED, 0,
69 "KODAK ", "IL Scanner 900 ", 0 },
70 #endif /* NKIL */
71 #endif
72
73 /*
74 * Declarations
75 */
76 void scsi_probedev __P((struct scsibus_softc *, int, int));
77 int scsi_probe_bus __P((int bus, int target, int lun));
78
79 struct scsi_device probe_switch = {
80 NULL,
81 NULL,
82 NULL,
83 NULL,
84 };
85
86 #ifdef __BROKEN_INDIRECT_CONFIG
87 int scsibusmatch __P((struct device *, void *, void *));
88 #else
89 int scsibusmatch __P((struct device *, struct cfdata *, void *));
90 #endif
91 void scsibusattach __P((struct device *, struct device *, void *));
92 #ifdef __BROKEN_INDIRECT_CONFIG
93 int scsibussubmatch __P((struct device *, void *, void *));
94 #else
95 int scsibussubmatch __P((struct device *, struct cfdata *, void *));
96 #endif
97
98 struct cfattach scsibus_ca = {
99 sizeof(struct scsibus_softc), scsibusmatch, scsibusattach
100 };
101
102 struct cfdriver scsibus_cd = {
103 NULL, "scsibus", DV_DULL
104 };
105
106 int scsibusprint __P((void *, const char *));
107
108 int
109 scsiprint(aux, pnp)
110 void *aux;
111 const char *pnp;
112 {
113 struct scsi_link *l = aux;
114
115 /* only "scsibus"es can attach to "scsi"s; easy. */
116 if (pnp)
117 printf("scsibus at %s", pnp);
118
119 /* don't print channel if the controller says there can be only one. */
120 if (l->channel != SCSI_CHANNEL_ONLY_ONE)
121 printf(" channel %d", l->channel);
122
123 return (UNCONF);
124 }
125
126 int
127 #ifdef __BROKEN_INDIRECT_CONFIG
128 scsibusmatch(parent, match, aux)
129 #else
130 scsibusmatch(parent, cf, aux)
131 #endif
132 struct device *parent;
133 #ifdef __BROKEN_INDIRECT_CONFIG
134 void *match;
135 #else
136 struct cfdata *cf;
137 #endif
138 void *aux;
139 {
140 #ifdef __BROKEN_INDIRECT_CONFIG
141 struct cfdata *cf = match;
142 #endif
143 struct scsi_link *l = aux;
144 int channel;
145
146 /*
147 * Allow single-channel controllers to specify their channel
148 * in a special way, so that it's not printed.
149 */
150 channel = (l->channel != SCSI_CHANNEL_ONLY_ONE) ? l->channel : 0;
151
152 if (cf->scsicf_channel != channel &&
153 cf->scsicf_channel != SCSI_CHANNEL_UNKNOWN)
154 return (0);
155
156 return (1);
157 }
158
159 /*
160 * The routine called by the adapter boards to get all their
161 * devices configured in.
162 */
163 void
164 scsibusattach(parent, self, aux)
165 struct device *parent, *self;
166 void *aux;
167 {
168 struct scsibus_softc *sb = (struct scsibus_softc *)self;
169 struct scsi_link *sc_link_proto = aux;
170 size_t nbytes;
171 int i;
172
173 sc_link_proto->scsibus = sb->sc_dev.dv_unit;
174 sb->adapter_link = sc_link_proto;
175 sb->sc_maxtarget = sc_link_proto->max_target;
176 printf(": %d targets\n", sb->sc_maxtarget + 1);
177
178 nbytes = sb->sc_maxtarget * sizeof(struct scsi_link **);
179 sb->sc_link = (struct scsi_link ***)malloc(nbytes, M_DEVBUF,
180 M_NOWAIT);
181 if (sb->sc_link == NULL)
182 panic("scsibusattach: can't allocate target links");
183
184 nbytes = 8 * sizeof(struct scsi_link *);
185 for (i = 0; i <= sb->sc_maxtarget; i++) {
186 sb->sc_link[i] = (struct scsi_link **)malloc(nbytes,
187 M_DEVBUF, M_NOWAIT);
188 if (sb->sc_link[i] == NULL)
189 panic("scsibusattach: can't allocate lun links");
190 bzero(sb->sc_link[i], nbytes);
191 }
192
193 #if defined(SCSI_DELAY) && SCSI_DELAY > 2
194 printf("%s: waiting for scsi devices to settle\n",
195 sb->sc_dev.dv_xname);
196 #else /* SCSI_DELAY > 2 */
197 #undef SCSI_DELAY
198 #define SCSI_DELAY 2
199 #endif /* SCSI_DELAY */
200 delay(1000000 * SCSI_DELAY);
201
202 scsi_probe_bus(sb->sc_dev.dv_unit, -1, -1);
203 }
204
205 int
206 #ifdef __BROKEN_INDIRECT_CONFIG
207 scsibussubmatch(parent, match, aux)
208 #else
209 scsibussubmatch(parent, cf, aux)
210 #endif
211 struct device *parent;
212 #ifdef __BROKEN_INDIRECT_CONFIG
213 void *match;
214 #else
215 struct cfdata *cf;
216 #endif
217 void *aux;
218 {
219 #ifdef __BROKEN_INDIRECT_CONFIG
220 struct cfdata *cf = match;
221 #endif
222 struct scsibus_attach_args *sa = aux;
223 struct scsi_link *sc_link = sa->sa_sc_link;
224
225 if (cf->cf_loc[0] != -1 && cf->cf_loc[0] != sc_link->target)
226 return 0;
227 if (cf->cf_loc[1] != -1 && cf->cf_loc[1] != sc_link->lun)
228 return 0;
229 return ((*cf->cf_attach->ca_match)(parent, cf, aux));
230 }
231
232 /*
233 * Probe the requested scsi bus. It must be already set up.
234 * -1 requests all set up scsi busses.
235 * target and lun optionally narrow the search if not -1
236 */
237 int
238 scsi_probe_busses(bus, target, lun)
239 int bus, target, lun;
240 {
241
242 if (bus == -1) {
243 for (bus = 0; bus < scsibus_cd.cd_ndevs; bus++)
244 if (scsibus_cd.cd_devs[bus])
245 scsi_probe_bus(bus, target, lun);
246 return 0;
247 } else {
248 return scsi_probe_bus(bus, target, lun);
249 }
250 }
251
252 /*
253 * Probe the requested scsi bus. It must be already set up.
254 * target and lun optionally narrow the search if not -1
255 */
256 int
257 scsi_probe_bus(bus, target, lun)
258 int bus, target, lun;
259 {
260 struct scsibus_softc *scsi;
261 int maxtarget, mintarget, maxlun, minlun;
262 u_int8_t scsi_addr;
263
264 if (bus < 0 || bus >= scsibus_cd.cd_ndevs)
265 return ENXIO;
266 scsi = scsibus_cd.cd_devs[bus];
267 if (!scsi)
268 return ENXIO;
269
270 scsi_addr = scsi->adapter_link->adapter_target;
271
272 if (target == -1) {
273 maxtarget = scsi->sc_maxtarget;
274 mintarget = 0;
275 } else {
276 if (target < 0 || target > scsi->sc_maxtarget)
277 return EINVAL;
278 maxtarget = mintarget = target;
279 }
280
281 if (lun == -1) {
282 maxlun = 7;
283 minlun = 0;
284 } else {
285 if (lun < 0 || lun > 7)
286 return EINVAL;
287 maxlun = minlun = lun;
288 }
289
290 for (target = mintarget; target <= maxtarget; target++) {
291 if (target == scsi_addr)
292 continue;
293 for (lun = minlun; lun <= maxlun; lun++) {
294 /*
295 * See if there's a device present, and configure it.
296 */
297 scsi_probedev(scsi, target, lun);
298 if ((scsi->moreluns & (1 << target)) == 0)
299 break;
300 /* otherwise something says we should look further */
301 }
302 }
303 return 0;
304 }
305
306 void
307 scsi_strvis(dst, src, len)
308 u_char *dst, *src;
309 int len;
310 {
311
312 /* Trim leading and trailing blanks and NULs. */
313 while (len > 0 && (src[0] == ' ' || src[0] == '\0'))
314 ++src, --len;
315 while (len > 0 && (src[len-1] == ' ' || src[len-1] == '\0'))
316 --len;
317
318 while (len > 0) {
319 if (*src < 0x20 || *src >= 0x80) {
320 /* non-printable characters */
321 *dst++ = '\\';
322 *dst++ = ((*src & 0300) >> 6) + '0';
323 *dst++ = ((*src & 0070) >> 3) + '0';
324 *dst++ = ((*src & 0007) >> 0) + '0';
325 } else if (*src == '\\') {
326 /* quote characters */
327 *dst++ = '\\';
328 *dst++ = '\\';
329 } else {
330 /* normal characters */
331 *dst++ = *src;
332 }
333 ++src, --len;
334 }
335
336 *dst++ = 0;
337 }
338
339 struct scsi_quirk_inquiry_pattern {
340 struct scsi_inquiry_pattern pattern;
341 u_int8_t quirks;
342 };
343
344 struct scsi_quirk_inquiry_pattern scsi_quirk_patterns[] = {
345 {{T_CDROM, T_REMOV,
346 "CHINON ", "CD-ROM CDS-431 ", ""}, SDEV_NOLUNS},
347 {{T_CDROM, T_REMOV,
348 "Chinon ", "CD-ROM CDS-525 ", ""}, SDEV_NOLUNS},
349 {{T_CDROM, T_REMOV,
350 "CHINON ", "CD-ROM CDS-535 ", ""}, SDEV_NOLUNS},
351 {{T_CDROM, T_REMOV,
352 "DENON ", "DRD-25X ", "V"}, SDEV_NOLUNS},
353 {{T_CDROM, T_REMOV,
354 "IMS ", "CDD521/10 ", "2.06"}, SDEV_NOLUNS},
355 {{T_CDROM, T_REMOV,
356 "MATSHITA", "CD-ROM CR-5XX ", "1.0b"}, SDEV_NOLUNS},
357 {{T_CDROM, T_REMOV,
358 "MEDIAVIS", "CDR-H93MV ", "1.3"}, SDEV_NOLUNS},
359 {{T_CDROM, T_REMOV,
360 "NEC ", "CD-ROM DRIVE:55 ", ""}, SDEV_NOLUNS},
361 {{T_CDROM, T_REMOV,
362 "NEC ", "CD-ROM DRIVE:83 ", ""}, SDEV_NOLUNS},
363 {{T_CDROM, T_REMOV,
364 "NEC ", "CD-ROM DRIVE:84 ", ""}, SDEV_NOLUNS},
365 {{T_CDROM, T_REMOV,
366 "NEC ", "CD-ROM DRIVE:841", ""}, SDEV_NOLUNS},
367 {{T_CDROM, T_REMOV,
368 "PIONEER ", "CD-ROM DR-124X ", "1.01"}, SDEV_NOLUNS},
369 {{T_CDROM, T_REMOV,
370 "SONY ", "CD-ROM CDU-541 ", ""}, SDEV_NOLUNS},
371 {{T_CDROM, T_REMOV,
372 "SONY ", "CD-ROM CDU-55S ", ""}, SDEV_NOLUNS},
373 {{T_CDROM, T_REMOV,
374 "SONY ", "CD-ROM CDU-8003A", ""}, SDEV_NOLUNS},
375 {{T_CDROM, T_REMOV,
376 "SONY ", "CD-ROM CDU-8012 ", ""}, SDEV_NOLUNS},
377 {{T_CDROM, T_REMOV,
378 "TEAC ", "CD-ROM ", "1.06"}, SDEV_NOLUNS},
379 {{T_CDROM, T_REMOV,
380 "TEAC ", "CD-ROM CD-56S ", "1.0B"}, SDEV_NOLUNS},
381 {{T_CDROM, T_REMOV,
382 "TEXEL ", "CD-ROM ", "1.06"}, SDEV_NOLUNS},
383 {{T_CDROM, T_REMOV,
384 "TEXEL ", "CD-ROM DM-XX24 K", "1.10"}, SDEV_NOLUNS},
385 {{T_CDROM, T_REMOV,
386 "ShinaKen", "CD-ROM DM-3x1S", "1.04"}, SDEV_NOLUNS},
387 {{T_DIRECT, T_FIXED,
388 "MICROP ", "1588-15MBSUN0669", ""}, SDEV_AUTOSAVE},
389 {{T_OPTICAL, T_REMOV,
390 "EPSON ", "OMD-5010 ", "3.08"}, SDEV_NOLUNS},
391
392 {{T_DIRECT, T_FIXED,
393 "DEC ", "RZ55 (C) DEC", ""}, SDEV_AUTOSAVE},
394 {{T_DIRECT, T_FIXED,
395 "EMULEX ", "MD21/S2 ESDI", "A00"}, SDEV_FORCELUNS|SDEV_AUTOSAVE},
396 {{T_DIRECT, T_FIXED,
397 "IBMRAID ", "0662S", ""}, SDEV_AUTOSAVE},
398 {{T_DIRECT, T_FIXED,
399 "IBM ", "0663H", ""}, SDEV_AUTOSAVE},
400 {{T_DIRECT, T_FIXED,
401 "MAXTOR ", "XT-3280 ", ""}, SDEV_NOLUNS},
402 {{T_DIRECT, T_FIXED,
403 "MAXTOR ", "XT-4380S ", ""}, SDEV_NOLUNS},
404 {{T_DIRECT, T_FIXED,
405 "MAXTOR ", "MXT-1240S ", ""}, SDEV_NOLUNS},
406 {{T_DIRECT, T_FIXED,
407 "MAXTOR ", "XT-4170S ", ""}, SDEV_NOLUNS},
408 {{T_DIRECT, T_FIXED,
409 "MAXTOR ", "XT-8760S", ""}, SDEV_NOLUNS},
410 {{T_DIRECT, T_FIXED,
411 "MAXTOR ", "LXT-213S ", ""}, SDEV_NOLUNS},
412 {{T_DIRECT, T_FIXED,
413 "MAXTOR ", "LXT-213S SUN0207", ""}, SDEV_NOLUNS},
414 {{T_DIRECT, T_FIXED,
415 "MAXTOR ", "LXT-200S ", ""}, SDEV_NOLUNS},
416 {{T_DIRECT, T_FIXED,
417 "MST ", "SnapLink ", ""}, SDEV_NOLUNS},
418 {{T_DIRECT, T_FIXED,
419 "NEC ", "D3847 ", "0307"}, SDEV_NOLUNS},
420 {{T_DIRECT, T_FIXED,
421 "QUANTUM ", "LPS525S ", ""}, SDEV_NOLUNS},
422 {{T_DIRECT, T_FIXED,
423 "QUANTUM ", "P105S 910-10-94x", ""}, SDEV_NOLUNS},
424 {{T_DIRECT, T_FIXED,
425 "QUANTUM ", "PD1225S ", ""}, SDEV_NOLUNS},
426 {{T_DIRECT, T_FIXED,
427 "QUANTUM ", "PD210S SUN0207", ""}, SDEV_NOLUNS},
428 {{T_DIRECT, T_FIXED,
429 "RODIME ", "RO3000S ", ""}, SDEV_NOLUNS},
430 {{T_DIRECT, T_FIXED,
431 "SEAGATE ", "ST125N ", ""}, SDEV_NOLUNS},
432 {{T_DIRECT, T_FIXED,
433 "SEAGATE ", "ST157N ", ""}, SDEV_NOLUNS},
434 {{T_DIRECT, T_FIXED,
435 "SEAGATE ", "ST296 ", ""}, SDEV_NOLUNS},
436 {{T_DIRECT, T_FIXED,
437 "SEAGATE ", "ST296N ", ""}, SDEV_NOLUNS},
438 {{T_DIRECT, T_FIXED,
439 "TOSHIBA ", "MK538FB ", "6027"}, SDEV_NOLUNS},
440 {{T_DIRECT, T_REMOV,
441 "iomega", "jaz 1GB", ""}, SDEV_NOMODESENSE},
442 {{T_DIRECT, T_REMOV,
443 "IOMEGA", "ZIP 100", ""}, SDEV_NOMODESENSE},
444 /* Letting the motor run kills floppy drives and disks quit fast. */
445 {{T_DIRECT, T_REMOV,
446 "TEAC", "FC-1", ""}, SDEV_NOSTARTUNIT},
447
448 /* XXX: QIC-36 tape behind Emulex adapter. Very broken. */
449 {{T_SEQUENTIAL, T_REMOV,
450 " ", " ", " "}, SDEV_NOLUNS},
451 {{T_SEQUENTIAL, T_REMOV,
452 "CALIPER ", "CP150 ", ""}, SDEV_NOLUNS},
453 {{T_SEQUENTIAL, T_REMOV,
454 "EXABYTE ", "EXB-8200 ", ""}, SDEV_NOLUNS},
455 {{T_SEQUENTIAL, T_REMOV,
456 "SONY ", "SDT-2000 ", "2.09"}, SDEV_NOLUNS},
457 {{T_SEQUENTIAL, T_REMOV,
458 "SONY ", "SDT-5000 ", "3."}, SDEV_NOSYNCWIDE},
459 {{T_SEQUENTIAL, T_REMOV,
460 "SONY ", "SDT-5200 ", "3."}, SDEV_NOLUNS},
461 {{T_SEQUENTIAL, T_REMOV,
462 "TANDBERG", " TDC 3600 ", ""}, SDEV_NOLUNS},
463 /* Following entry reported as a Tandberg 3600; ref. PR1933 */
464 {{T_SEQUENTIAL, T_REMOV,
465 "ARCHIVE ", "VIPER 150 21247", ""}, SDEV_NOLUNS},
466 {{T_SEQUENTIAL, T_REMOV,
467 "ARCHIVE ", "Python 28454-XXX", ""}, SDEV_NOLUNS},
468 {{T_SEQUENTIAL, T_REMOV,
469 "WANGTEK ", "5099ES SCSI", ""}, SDEV_NOLUNS},
470 {{T_SEQUENTIAL, T_REMOV,
471 "WANGTEK ", "5150ES SCSI", ""}, SDEV_NOLUNS},
472 {{T_SEQUENTIAL, T_REMOV,
473 "WangDAT ", "Model 1300 ", "02.4"}, SDEV_NOSYNCWIDE},
474 {{T_SEQUENTIAL, T_REMOV,
475 "WangDAT ", "Model 2600 ", "01.7"}, SDEV_NOSYNCWIDE},
476 {{T_SEQUENTIAL, T_REMOV,
477 "WangDAT ", "Model 3200 ", "02.2"}, SDEV_NOSYNCWIDE},
478 };
479
480 /*
481 * Print out autoconfiguration information for a subdevice.
482 *
483 * This is a slight abuse of 'standard' autoconfiguration semantics,
484 * because 'print' functions don't normally print the colon and
485 * device information. However, in this case that's better than
486 * either printing redundant information before the attach message,
487 * or having the device driver call a special function to print out
488 * the standard device information.
489 */
490 int
491 scsibusprint(aux, pnp)
492 void *aux;
493 const char *pnp;
494 {
495 struct scsibus_attach_args *sa = aux;
496 struct scsi_inquiry_data *inqbuf;
497 u_int8_t type;
498 boolean removable;
499 char *dtype, *qtype;
500 char vendor[33], product[65], revision[17];
501 int target, lun;
502
503 if (pnp != NULL)
504 printf("%s", pnp);
505
506 inqbuf = sa->sa_inqbuf;
507
508 target = sa->sa_sc_link->target;
509 lun = sa->sa_sc_link->lun;
510
511 type = inqbuf->device & SID_TYPE;
512 removable = inqbuf->dev_qual2 & SID_REMOVABLE ? 1 : 0;
513
514 /*
515 * Figure out basic device type and qualifier.
516 */
517 dtype = 0;
518 switch (inqbuf->device & SID_QUAL) {
519 case SID_QUAL_LU_OK:
520 qtype = "";
521 break;
522
523 case SID_QUAL_LU_OFFLINE:
524 qtype = " offline";
525 break;
526
527 case SID_QUAL_RSVD:
528 case SID_QUAL_BAD_LU:
529 panic("scsibusprint: impossible qualifier");
530
531 default:
532 qtype = "";
533 dtype = "vendor-unique";
534 break;
535 }
536 if (dtype == 0) {
537 switch (type) {
538 case T_DIRECT:
539 dtype = "direct";
540 break;
541 case T_SEQUENTIAL:
542 dtype = "sequential";
543 break;
544 case T_PRINTER:
545 dtype = "printer";
546 break;
547 case T_PROCESSOR:
548 dtype = "processor";
549 break;
550 case T_CDROM:
551 dtype = "cdrom";
552 break;
553 case T_WORM:
554 dtype = "worm";
555 break;
556 case T_SCANNER:
557 dtype = "scanner";
558 break;
559 case T_OPTICAL:
560 dtype = "optical";
561 break;
562 case T_CHANGER:
563 dtype = "changer";
564 break;
565 case T_COMM:
566 dtype = "communication";
567 break;
568 case T_NODEVICE:
569 panic("scsibusprint: impossible device type");
570 default:
571 dtype = "unknown";
572 break;
573 }
574 }
575
576 scsi_strvis(vendor, inqbuf->vendor, 8);
577 scsi_strvis(product, inqbuf->product, 16);
578 scsi_strvis(revision, inqbuf->revision, 4);
579
580 printf(" targ %d lun %d: <%s, %s, %s> SCSI%d %d/%s %s%s",
581 target, lun, vendor, product, revision,
582 inqbuf->version & SID_ANSII, type, dtype,
583 removable ? "removable" : "fixed", qtype);
584
585 return (UNCONF);
586 }
587
588 /*
589 * given a target and lu, ask the device what
590 * it is, and find the correct driver table
591 * entry.
592 */
593 void
594 scsi_probedev(scsi, target, lun)
595 struct scsibus_softc *scsi;
596 int target, lun;
597 {
598 struct scsi_link *sc_link;
599 static struct scsi_inquiry_data inqbuf;
600 struct scsi_quirk_inquiry_pattern *finger;
601 int checkdtype, priority;
602 struct scsibus_attach_args sa;
603 struct cfdata *cf;
604
605 /* Skip this slot if it is already attached. */
606 if (scsi->sc_link[target][lun])
607 return;
608
609 sc_link = malloc(sizeof(*sc_link), M_DEVBUF, M_NOWAIT);
610 *sc_link = *scsi->adapter_link;
611 sc_link->target = target;
612 sc_link->lun = lun;
613 sc_link->device = &probe_switch;
614
615 /*
616 * Ask the device what it is
617 */
618 #ifdef SCSIDEBUG
619 if (target == DEBUGTARGET && lun == DEBUGLUN)
620 sc_link->flags |= DEBUGLEVEL;
621 #endif /* SCSIDEBUG */
622
623 (void) scsi_test_unit_ready(sc_link,
624 SCSI_AUTOCONF | SCSI_IGNORE_ILLEGAL_REQUEST | SCSI_IGNORE_NOT_READY | SCSI_IGNORE_MEDIA_CHANGE);
625
626 #ifdef SCSI_2_DEF
627 /* some devices need to be told to go to SCSI2 */
628 /* However some just explode if you tell them this.. leave it out */
629 scsi_change_def(sc_link, SCSI_AUTOCONF | SCSI_SILENT);
630 #endif /* SCSI_2_DEF */
631
632 /* Now go ask the device all about itself. */
633 bzero(&inqbuf, sizeof(inqbuf));
634 if (scsi_inquire(sc_link, &inqbuf, SCSI_AUTOCONF) != 0)
635 goto bad;
636
637 {
638 int len = inqbuf.additional_length;
639 while (len < 3)
640 inqbuf.unused[len++] = '\0';
641 while (len < 3 + 28)
642 inqbuf.unused[len++] = ' ';
643 }
644
645 finger = (struct scsi_quirk_inquiry_pattern *)scsi_inqmatch(&inqbuf,
646 (caddr_t)scsi_quirk_patterns,
647 sizeof(scsi_quirk_patterns)/sizeof(scsi_quirk_patterns[0]),
648 sizeof(scsi_quirk_patterns[0]), &priority);
649 if (priority != 0)
650 sc_link->quirks |= finger->quirks;
651 if ((inqbuf.version & SID_ANSII) == 0 &&
652 (sc_link->quirks & SDEV_FORCELUNS) == 0)
653 sc_link->quirks |= SDEV_NOLUNS;
654 sc_link->scsi_version = inqbuf.version;
655
656 if ((sc_link->quirks & SDEV_NOLUNS) == 0)
657 scsi->moreluns |= (1 << target);
658
659 /*
660 * note what BASIC type of device it is
661 */
662 if ((inqbuf.dev_qual2 & SID_REMOVABLE) != 0)
663 sc_link->flags |= SDEV_REMOVABLE;
664
665 /*
666 * Any device qualifier that has the top bit set (qualifier&4 != 0)
667 * is vendor specific and won't match in this switch.
668 * All we do here is throw out bad/negative responses.
669 */
670 checkdtype = 0;
671 switch (inqbuf.device & SID_QUAL) {
672 case SID_QUAL_LU_OK:
673 case SID_QUAL_LU_OFFLINE:
674 checkdtype = 1;
675 break;
676
677 case SID_QUAL_RSVD:
678 case SID_QUAL_BAD_LU:
679 goto bad;
680
681 default:
682 break;
683 }
684 if (checkdtype) {
685 switch (inqbuf.device & SID_TYPE) {
686 case T_DIRECT:
687 case T_SEQUENTIAL:
688 case T_PRINTER:
689 case T_PROCESSOR:
690 case T_CDROM:
691 case T_WORM:
692 case T_SCANNER:
693 case T_OPTICAL:
694 case T_CHANGER:
695 case T_COMM:
696 default:
697 break;
698 case T_NODEVICE:
699 goto bad;
700 }
701 }
702
703 sa.sa_sc_link = sc_link;
704 sa.sa_inqbuf = &inqbuf;
705
706 if ((cf = config_search(scsibussubmatch, (struct device *)scsi, &sa)) != 0) {
707 scsi->sc_link[target][lun] = sc_link;
708 config_attach((struct device *)scsi, cf, &sa, scsibusprint);
709 } else {
710 scsibusprint(&sa, scsi->sc_dev.dv_xname);
711 printf(" not configured\n");
712 goto bad;
713 }
714
715 return;
716
717 bad:
718 free(sc_link, M_DEVBUF);
719 return;
720 }
721
722 /*
723 * Return a priority based on how much of the inquiry data matches
724 * the patterns for the particular driver.
725 */
726 caddr_t
727 scsi_inqmatch(inqbuf, base, nmatches, matchsize, bestpriority)
728 struct scsi_inquiry_data *inqbuf;
729 caddr_t base;
730 int nmatches, matchsize;
731 int *bestpriority;
732 {
733 u_int8_t type;
734 boolean removable;
735 caddr_t bestmatch;
736
737 /* Include the qualifier to catch vendor-unique types. */
738 type = inqbuf->device;
739 removable = inqbuf->dev_qual2 & SID_REMOVABLE ? T_REMOV : T_FIXED;
740
741 for (*bestpriority = 0, bestmatch = 0; nmatches--; base += matchsize) {
742 struct scsi_inquiry_pattern *match = (void *)base;
743 int priority, len;
744
745 if (type != match->type)
746 continue;
747 if (removable != match->removable)
748 continue;
749 priority = 2;
750 len = strlen(match->vendor);
751 if (bcmp(inqbuf->vendor, match->vendor, len))
752 continue;
753 priority += len;
754 len = strlen(match->product);
755 if (bcmp(inqbuf->product, match->product, len))
756 continue;
757 priority += len;
758 len = strlen(match->revision);
759 if (bcmp(inqbuf->revision, match->revision, len))
760 continue;
761 priority += len;
762
763 #if SCSIDEBUG
764 printf("scsi_inqmatch: %d/%d/%d <%s, %s, %s>\n",
765 priority, match->type, match->removable,
766 match->vendor, match->product, match->revision);
767 #endif
768 if (priority > *bestpriority) {
769 *bestpriority = priority;
770 bestmatch = base;
771 }
772 }
773
774 return (bestmatch);
775 }
776