scsiconf.c revision 1.83 1 /* $NetBSD: scsiconf.c,v 1.83 1997/04/24 00:49:14 mycroft 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 "HP ", "C4324/C4325 ", ""}, SDEV_NOLUNS},
355 {{T_CDROM, T_REMOV,
356 "IMS ", "CDD521/10 ", "2.06"}, SDEV_NOLUNS},
357 {{T_CDROM, T_REMOV,
358 "MATSHITA", "CD-ROM CR-5XX ", "1.0b"}, SDEV_NOLUNS},
359 {{T_CDROM, T_REMOV,
360 "MEDIAVIS", "CDR-H93MV ", "1.3"}, SDEV_NOLUNS},
361 {{T_CDROM, T_REMOV,
362 "NEC ", "CD-ROM DRIVE:55 ", ""}, SDEV_NOLUNS},
363 {{T_CDROM, T_REMOV,
364 "NEC ", "CD-ROM DRIVE:83 ", ""}, SDEV_NOLUNS},
365 {{T_CDROM, T_REMOV,
366 "NEC ", "CD-ROM DRIVE:84 ", ""}, SDEV_NOLUNS},
367 {{T_CDROM, T_REMOV,
368 "NEC ", "CD-ROM DRIVE:841", ""}, SDEV_NOLUNS},
369 {{T_CDROM, T_REMOV,
370 "PIONEER ", "CD-ROM DR-124X ", "1.01"}, SDEV_NOLUNS},
371 {{T_CDROM, T_REMOV,
372 "SONY ", "CD-ROM CDU-541 ", ""}, SDEV_NOLUNS},
373 {{T_CDROM, T_REMOV,
374 "SONY ", "CD-ROM CDU-55S ", ""}, SDEV_NOLUNS},
375 {{T_CDROM, T_REMOV,
376 "SONY ", "CD-ROM CDU-8003A", ""}, SDEV_NOLUNS},
377 {{T_CDROM, T_REMOV,
378 "SONY ", "CD-ROM CDU-8012 ", ""}, SDEV_NOLUNS},
379 {{T_CDROM, T_REMOV,
380 "TEAC ", "CD-ROM ", "1.06"}, SDEV_NOLUNS},
381 {{T_CDROM, T_REMOV,
382 "TEAC ", "CD-ROM CD-56S ", "1.0B"}, SDEV_NOLUNS},
383 {{T_CDROM, T_REMOV,
384 "TEXEL ", "CD-ROM ", "1.06"}, SDEV_NOLUNS},
385 {{T_CDROM, T_REMOV,
386 "TEXEL ", "CD-ROM DM-XX24 K", "1.10"}, SDEV_NOLUNS},
387 {{T_CDROM, T_REMOV,
388 "ShinaKen", "CD-ROM DM-3x1S", "1.04"}, SDEV_NOLUNS},
389 {{T_DIRECT, T_FIXED,
390 "MICROP ", "1588-15MBSUN0669", ""}, SDEV_AUTOSAVE},
391 {{T_OPTICAL, T_REMOV,
392 "EPSON ", "OMD-5010 ", "3.08"}, SDEV_NOLUNS},
393
394 {{T_DIRECT, T_FIXED,
395 "DEC ", "RZ55 (C) DEC", ""}, SDEV_AUTOSAVE},
396 {{T_DIRECT, T_FIXED,
397 "EMULEX ", "MD21/S2 ESDI", "A00"}, SDEV_FORCELUNS|SDEV_AUTOSAVE},
398 {{T_DIRECT, T_FIXED,
399 "IBMRAID ", "0662S", ""}, SDEV_AUTOSAVE},
400 {{T_DIRECT, T_FIXED,
401 "IBM ", "0663H", ""}, SDEV_AUTOSAVE},
402 {{T_DIRECT, T_FIXED,
403 "IBM", "0664", ""}, SDEV_AUTOSAVE},
404 /* Broken IBM disk */
405 {{T_DIRECT, T_FIXED,
406 "" , "DFRSS2F", ""}, SDEV_AUTOSAVE},
407 {{T_DIRECT, T_FIXED,
408 "MAXTOR ", "XT-3280 ", ""}, SDEV_NOLUNS},
409 {{T_DIRECT, T_FIXED,
410 "MAXTOR ", "XT-4380S ", ""}, SDEV_NOLUNS},
411 {{T_DIRECT, T_FIXED,
412 "MAXTOR ", "MXT-1240S ", ""}, SDEV_NOLUNS},
413 {{T_DIRECT, T_FIXED,
414 "MAXTOR ", "XT-4170S ", ""}, SDEV_NOLUNS},
415 {{T_DIRECT, T_FIXED,
416 "MAXTOR ", "XT-8760S", ""}, SDEV_NOLUNS},
417 {{T_DIRECT, T_FIXED,
418 "MAXTOR ", "LXT-213S ", ""}, SDEV_NOLUNS},
419 {{T_DIRECT, T_FIXED,
420 "MAXTOR ", "LXT-213S SUN0207", ""}, SDEV_NOLUNS},
421 {{T_DIRECT, T_FIXED,
422 "MAXTOR ", "LXT-200S ", ""}, SDEV_NOLUNS},
423 {{T_DIRECT, T_FIXED,
424 "MST ", "SnapLink ", ""}, SDEV_NOLUNS},
425 {{T_DIRECT, T_FIXED,
426 "NEC ", "D3847 ", "0307"}, SDEV_NOLUNS},
427 {{T_DIRECT, T_FIXED,
428 "QUANTUM ", "LPS525S ", ""}, SDEV_NOLUNS},
429 {{T_DIRECT, T_FIXED,
430 "QUANTUM ", "P105S 910-10-94x", ""}, SDEV_NOLUNS},
431 {{T_DIRECT, T_FIXED,
432 "QUANTUM ", "PD1225S ", ""}, SDEV_NOLUNS},
433 {{T_DIRECT, T_FIXED,
434 "QUANTUM ", "PD210S SUN0207", ""}, SDEV_NOLUNS},
435 {{T_DIRECT, T_FIXED,
436 "RODIME ", "RO3000S ", ""}, SDEV_NOLUNS},
437 {{T_DIRECT, T_FIXED,
438 "SEAGATE ", "ST125N ", ""}, SDEV_NOLUNS},
439 {{T_DIRECT, T_FIXED,
440 "SEAGATE ", "ST157N ", ""}, SDEV_NOLUNS},
441 {{T_DIRECT, T_FIXED,
442 "SEAGATE ", "ST296 ", ""}, SDEV_NOLUNS},
443 {{T_DIRECT, T_FIXED,
444 "SEAGATE ", "ST296N ", ""}, SDEV_NOLUNS},
445 {{T_DIRECT, T_FIXED,
446 "TOSHIBA ", "MK538FB ", "6027"}, SDEV_NOLUNS},
447 {{T_DIRECT, T_REMOV,
448 "iomega", "jaz 1GB", ""}, SDEV_NOMODESENSE},
449 {{T_DIRECT, T_REMOV,
450 "IOMEGA", "ZIP 100", ""}, SDEV_NOMODESENSE},
451 /* Letting the motor run kills floppy drives and disks quit fast. */
452 {{T_DIRECT, T_REMOV,
453 "TEAC", "FC-1", ""}, SDEV_NOSTARTUNIT},
454
455 /* XXX: QIC-36 tape behind Emulex adapter. Very broken. */
456 {{T_SEQUENTIAL, T_REMOV,
457 " ", " ", " "}, SDEV_NOLUNS},
458 {{T_SEQUENTIAL, T_REMOV,
459 "CALIPER ", "CP150 ", ""}, SDEV_NOLUNS},
460 {{T_SEQUENTIAL, T_REMOV,
461 "EXABYTE ", "EXB-8200 ", ""}, SDEV_NOLUNS},
462 {{T_SEQUENTIAL, T_REMOV,
463 "SONY ", "SDT-2000 ", "2.09"}, SDEV_NOLUNS},
464 {{T_SEQUENTIAL, T_REMOV,
465 "SONY ", "SDT-5000 ", "3."}, SDEV_NOSYNCWIDE},
466 {{T_SEQUENTIAL, T_REMOV,
467 "SONY ", "SDT-5200 ", "3."}, SDEV_NOLUNS},
468 {{T_SEQUENTIAL, T_REMOV,
469 "TANDBERG", " TDC 3600 ", ""}, SDEV_NOLUNS},
470 /* Following entry reported as a Tandberg 3600; ref. PR1933 */
471 {{T_SEQUENTIAL, T_REMOV,
472 "ARCHIVE ", "VIPER 150 21247", ""}, SDEV_NOLUNS},
473 {{T_SEQUENTIAL, T_REMOV,
474 "ARCHIVE ", "Python 28454-XXX", ""}, SDEV_NOLUNS},
475 {{T_SEQUENTIAL, T_REMOV,
476 "WANGTEK ", "5099ES SCSI", ""}, SDEV_NOLUNS},
477 {{T_SEQUENTIAL, T_REMOV,
478 "WANGTEK ", "5150ES SCSI", ""}, SDEV_NOLUNS},
479 {{T_SEQUENTIAL, T_REMOV,
480 "WangDAT ", "Model 1300 ", "02.4"}, SDEV_NOSYNCWIDE},
481 {{T_SEQUENTIAL, T_REMOV,
482 "WangDAT ", "Model 2600 ", "01.7"}, SDEV_NOSYNCWIDE},
483 {{T_SEQUENTIAL, T_REMOV,
484 "WangDAT ", "Model 3200 ", "02.2"}, SDEV_NOSYNCWIDE},
485 };
486
487 /*
488 * Print out autoconfiguration information for a subdevice.
489 *
490 * This is a slight abuse of 'standard' autoconfiguration semantics,
491 * because 'print' functions don't normally print the colon and
492 * device information. However, in this case that's better than
493 * either printing redundant information before the attach message,
494 * or having the device driver call a special function to print out
495 * the standard device information.
496 */
497 int
498 scsibusprint(aux, pnp)
499 void *aux;
500 const char *pnp;
501 {
502 struct scsibus_attach_args *sa = aux;
503 struct scsi_inquiry_data *inqbuf;
504 u_int8_t type;
505 boolean removable;
506 char *dtype, *qtype;
507 char vendor[33], product[65], revision[17];
508 int target, lun;
509
510 if (pnp != NULL)
511 printf("%s", pnp);
512
513 inqbuf = sa->sa_inqbuf;
514
515 target = sa->sa_sc_link->target;
516 lun = sa->sa_sc_link->lun;
517
518 type = inqbuf->device & SID_TYPE;
519 removable = inqbuf->dev_qual2 & SID_REMOVABLE ? 1 : 0;
520
521 /*
522 * Figure out basic device type and qualifier.
523 */
524 dtype = 0;
525 switch (inqbuf->device & SID_QUAL) {
526 case SID_QUAL_LU_OK:
527 qtype = "";
528 break;
529
530 case SID_QUAL_LU_OFFLINE:
531 qtype = " offline";
532 break;
533
534 case SID_QUAL_RSVD:
535 case SID_QUAL_BAD_LU:
536 panic("scsibusprint: impossible qualifier");
537
538 default:
539 qtype = "";
540 dtype = "vendor-unique";
541 break;
542 }
543 if (dtype == 0) {
544 switch (type) {
545 case T_DIRECT:
546 dtype = "direct";
547 break;
548 case T_SEQUENTIAL:
549 dtype = "sequential";
550 break;
551 case T_PRINTER:
552 dtype = "printer";
553 break;
554 case T_PROCESSOR:
555 dtype = "processor";
556 break;
557 case T_CDROM:
558 dtype = "cdrom";
559 break;
560 case T_WORM:
561 dtype = "worm";
562 break;
563 case T_SCANNER:
564 dtype = "scanner";
565 break;
566 case T_OPTICAL:
567 dtype = "optical";
568 break;
569 case T_CHANGER:
570 dtype = "changer";
571 break;
572 case T_COMM:
573 dtype = "communication";
574 break;
575 case T_NODEVICE:
576 panic("scsibusprint: impossible device type");
577 default:
578 dtype = "unknown";
579 break;
580 }
581 }
582
583 scsi_strvis(vendor, inqbuf->vendor, 8);
584 scsi_strvis(product, inqbuf->product, 16);
585 scsi_strvis(revision, inqbuf->revision, 4);
586
587 printf(" targ %d lun %d: <%s, %s, %s> SCSI%d %d/%s %s%s",
588 target, lun, vendor, product, revision,
589 inqbuf->version & SID_ANSII, type, dtype,
590 removable ? "removable" : "fixed", qtype);
591
592 return (UNCONF);
593 }
594
595 /*
596 * given a target and lu, ask the device what
597 * it is, and find the correct driver table
598 * entry.
599 */
600 void
601 scsi_probedev(scsi, target, lun)
602 struct scsibus_softc *scsi;
603 int target, lun;
604 {
605 struct scsi_link *sc_link;
606 static struct scsi_inquiry_data inqbuf;
607 struct scsi_quirk_inquiry_pattern *finger;
608 int checkdtype, priority;
609 struct scsibus_attach_args sa;
610 struct cfdata *cf;
611
612 /* Skip this slot if it is already attached. */
613 if (scsi->sc_link[target][lun])
614 return;
615
616 sc_link = malloc(sizeof(*sc_link), M_DEVBUF, M_NOWAIT);
617 *sc_link = *scsi->adapter_link;
618 sc_link->target = target;
619 sc_link->lun = lun;
620 sc_link->device = &probe_switch;
621
622 /*
623 * Ask the device what it is
624 */
625 #ifdef SCSIDEBUG
626 if (target == DEBUGTARGET && lun == DEBUGLUN)
627 sc_link->flags |= DEBUGLEVEL;
628 #endif /* SCSIDEBUG */
629
630 (void) scsi_test_unit_ready(sc_link,
631 SCSI_AUTOCONF | SCSI_IGNORE_ILLEGAL_REQUEST | SCSI_IGNORE_NOT_READY | SCSI_IGNORE_MEDIA_CHANGE);
632
633 #ifdef SCSI_2_DEF
634 /* some devices need to be told to go to SCSI2 */
635 /* However some just explode if you tell them this.. leave it out */
636 scsi_change_def(sc_link, SCSI_AUTOCONF | SCSI_SILENT);
637 #endif /* SCSI_2_DEF */
638
639 /* Now go ask the device all about itself. */
640 bzero(&inqbuf, sizeof(inqbuf));
641 if (scsi_inquire(sc_link, &inqbuf, SCSI_AUTOCONF) != 0)
642 goto bad;
643
644 {
645 int len = inqbuf.additional_length;
646 while (len < 3)
647 inqbuf.unused[len++] = '\0';
648 while (len < 3 + 28)
649 inqbuf.unused[len++] = ' ';
650 }
651
652 finger = (struct scsi_quirk_inquiry_pattern *)scsi_inqmatch(&inqbuf,
653 (caddr_t)scsi_quirk_patterns,
654 sizeof(scsi_quirk_patterns)/sizeof(scsi_quirk_patterns[0]),
655 sizeof(scsi_quirk_patterns[0]), &priority);
656 if (priority != 0)
657 sc_link->quirks |= finger->quirks;
658 if ((inqbuf.version & SID_ANSII) == 0 &&
659 (sc_link->quirks & SDEV_FORCELUNS) == 0)
660 sc_link->quirks |= SDEV_NOLUNS;
661 sc_link->scsi_version = inqbuf.version;
662
663 if ((sc_link->quirks & SDEV_NOLUNS) == 0)
664 scsi->moreluns |= (1 << target);
665
666 /*
667 * note what BASIC type of device it is
668 */
669 if ((inqbuf.dev_qual2 & SID_REMOVABLE) != 0)
670 sc_link->flags |= SDEV_REMOVABLE;
671
672 /*
673 * Any device qualifier that has the top bit set (qualifier&4 != 0)
674 * is vendor specific and won't match in this switch.
675 * All we do here is throw out bad/negative responses.
676 */
677 checkdtype = 0;
678 switch (inqbuf.device & SID_QUAL) {
679 case SID_QUAL_LU_OK:
680 case SID_QUAL_LU_OFFLINE:
681 checkdtype = 1;
682 break;
683
684 case SID_QUAL_RSVD:
685 case SID_QUAL_BAD_LU:
686 goto bad;
687
688 default:
689 break;
690 }
691 if (checkdtype) {
692 switch (inqbuf.device & SID_TYPE) {
693 case T_DIRECT:
694 case T_SEQUENTIAL:
695 case T_PRINTER:
696 case T_PROCESSOR:
697 case T_CDROM:
698 case T_WORM:
699 case T_SCANNER:
700 case T_OPTICAL:
701 case T_CHANGER:
702 case T_COMM:
703 default:
704 break;
705 case T_NODEVICE:
706 goto bad;
707 }
708 }
709
710 sa.sa_sc_link = sc_link;
711 sa.sa_inqbuf = &inqbuf;
712
713 if ((cf = config_search(scsibussubmatch, (struct device *)scsi, &sa)) != 0) {
714 scsi->sc_link[target][lun] = sc_link;
715 config_attach((struct device *)scsi, cf, &sa, scsibusprint);
716 } else {
717 scsibusprint(&sa, scsi->sc_dev.dv_xname);
718 printf(" not configured\n");
719 goto bad;
720 }
721
722 return;
723
724 bad:
725 free(sc_link, M_DEVBUF);
726 return;
727 }
728
729 /*
730 * Return a priority based on how much of the inquiry data matches
731 * the patterns for the particular driver.
732 */
733 caddr_t
734 scsi_inqmatch(inqbuf, base, nmatches, matchsize, bestpriority)
735 struct scsi_inquiry_data *inqbuf;
736 caddr_t base;
737 int nmatches, matchsize;
738 int *bestpriority;
739 {
740 u_int8_t type;
741 boolean removable;
742 caddr_t bestmatch;
743
744 /* Include the qualifier to catch vendor-unique types. */
745 type = inqbuf->device;
746 removable = inqbuf->dev_qual2 & SID_REMOVABLE ? T_REMOV : T_FIXED;
747
748 for (*bestpriority = 0, bestmatch = 0; nmatches--; base += matchsize) {
749 struct scsi_inquiry_pattern *match = (void *)base;
750 int priority, len;
751
752 if (type != match->type)
753 continue;
754 if (removable != match->removable)
755 continue;
756 priority = 2;
757 len = strlen(match->vendor);
758 if (bcmp(inqbuf->vendor, match->vendor, len))
759 continue;
760 priority += len;
761 len = strlen(match->product);
762 if (bcmp(inqbuf->product, match->product, len))
763 continue;
764 priority += len;
765 len = strlen(match->revision);
766 if (bcmp(inqbuf->revision, match->revision, len))
767 continue;
768 priority += len;
769
770 #if SCSIDEBUG
771 printf("scsi_inqmatch: %d/%d/%d <%s, %s, %s>\n",
772 priority, match->type, match->removable,
773 match->vendor, match->product, match->revision);
774 #endif
775 if (priority > *bestpriority) {
776 *bestpriority = priority;
777 bestmatch = base;
778 }
779 }
780
781 return (bestmatch);
782 }
783