xref: /netbsd-src/sys/dev/scsipi/scsiconf.c (revision 7c7c171d130af9949261bc7dce2150a03c3d239c)
1 /*	$NetBSD: scsiconf.c,v 1.97 1998/04/10 17:13:11 mjacob 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@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@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 <dev/scsipi/scsi_all.h>
56 #include <dev/scsipi/scsipi_all.h>
57 #include <dev/scsipi/scsiconf.h>
58 
59 #include "locators.h"
60 
61 #if 0
62 #if NCALS > 0
63 	{ T_PROCESSOR, T_FIXED, 1,
64 	  0, 0, 0 },
65 #endif	/* NCALS */
66 #if NBLL > 0
67 	{ T_PROCESSOR, T_FIXED, 1,
68 	  "AEG     ", "READER          ", "V1.0" },
69 #endif	/* NBLL */
70 #if NKIL > 0
71 	{ T_SCANNER, T_FIXED, 0,
72 	  "KODAK   ", "IL Scanner 900  ", 0 },
73 #endif	/* NKIL */
74 #endif
75 
76 /*
77  * Declarations
78  */
79 void scsi_probedev __P((struct scsibus_softc *, int, int));
80 int scsi_probe_bus __P((int bus, int target, int lun));
81 
82 struct scsipi_device probe_switch = {
83 	NULL,
84 	NULL,
85 	NULL,
86 	NULL,
87 };
88 
89 #ifdef __BROKEN_INDIRECT_CONFIG
90 int scsibusmatch __P((struct device *, void *, void *));
91 #else
92 int scsibusmatch __P((struct device *, struct cfdata *, void *));
93 #endif
94 void scsibusattach __P((struct device *, struct device *, void *));
95 #ifdef __BROKEN_INDIRECT_CONFIG
96 int scsibussubmatch __P((struct device *, void *, void *));
97 #else
98 int scsibussubmatch __P((struct device *, struct cfdata *, void *));
99 #endif
100 
101 struct cfattach scsibus_ca = {
102 	sizeof(struct scsibus_softc), scsibusmatch, scsibusattach
103 };
104 
105 extern struct cfdriver scsibus_cd;
106 
107 int scsibusprint __P((void *, const char *));
108 
109 
110 int
111 scsiprint(aux, pnp)
112 	void *aux;
113 	const char *pnp;
114 {
115 	struct scsipi_link *l = aux;
116 
117 	/* only "scsibus"es can attach to "scsi"s; easy. */
118 	if (pnp)
119 		printf("scsibus at %s", pnp);
120 
121 	/* don't print channel if the controller says there can be only one. */
122 	if (l->scsipi_scsi.channel != SCSI_CHANNEL_ONLY_ONE)
123 		printf(" channel %d", l->scsipi_scsi.channel);
124 
125 	return (UNCONF);
126 }
127 
128 int
129 #ifdef __BROKEN_INDIRECT_CONFIG
130 scsibusmatch(parent, match, aux)
131 #else
132 scsibusmatch(parent, cf, aux)
133 #endif
134 	struct device *parent;
135 #ifdef __BROKEN_INDIRECT_CONFIG
136 	void *match;
137 #else
138 	struct cfdata *cf;
139 #endif
140 	void *aux;
141 {
142 #ifdef __BROKEN_INDIRECT_CONFIG
143 	struct cfdata *cf = match;
144 #endif
145 	struct scsipi_link *l = aux;
146 	int channel;
147 
148 	/*
149 	 * Allow single-channel controllers to specify their channel
150 	 * in a special way, so that it's not printed.
151 	 */
152 	channel = (l->scsipi_scsi.channel != SCSI_CHANNEL_ONLY_ONE) ?
153 	    l->scsipi_scsi.channel : 0;
154 
155 	if (cf->cf_loc[SCSICF_CHANNEL] != channel &&
156 	    cf->cf_loc[SCSICF_CHANNEL] != SCSICF_CHANNEL_DEFAULT)
157 		return (0);
158 
159 	return (1);
160 }
161 
162 /*
163  * The routine called by the adapter boards to get all their
164  * devices configured in.
165  */
166 void
167 scsibusattach(parent, self, aux)
168 	struct device *parent, *self;
169 	void *aux;
170 {
171 	struct scsibus_softc *sb = (struct scsibus_softc *)self;
172 	struct scsipi_link *sc_link_proto = aux;
173 	size_t nbytes;
174 	int i;
175 
176 	sc_link_proto->scsipi_scsi.scsibus = sb->sc_dev.dv_unit;
177 	sc_link_proto->scsipi_cmd = scsi_scsipi_cmd;
178 	sc_link_proto->scsipi_interpret_sense = scsi_interpret_sense;
179 	sc_link_proto->sc_print_addr = scsi_print_addr;
180 
181 	sb->adapter_link = sc_link_proto;
182 	sb->sc_maxtarget = sc_link_proto->scsipi_scsi.max_target;
183 	printf(": %d targets\n", sb->sc_maxtarget + 1);
184 
185 	nbytes = sb->sc_maxtarget * sizeof(struct scsipi_link **);
186 	sb->sc_link = (struct scsipi_link ***)malloc(nbytes, M_DEVBUF,
187 	    M_NOWAIT);
188 	if (sb->sc_link == NULL)
189 		panic("scsibusattach: can't allocate target links");
190 
191 	nbytes = 8 * sizeof(struct scsipi_link *);
192 	for (i = 0; i <= sb->sc_maxtarget; i++) {
193 		sb->sc_link[i] = (struct scsipi_link **)malloc(nbytes,
194 		    M_DEVBUF, M_NOWAIT);
195 		if (sb->sc_link[i] == NULL)
196 			panic("scsibusattach: can't allocate lun links");
197 		bzero(sb->sc_link[i], nbytes);
198 	}
199 
200 #if defined(SCSI_DELAY) && SCSI_DELAY > 2
201 	printf("%s: waiting for scsi devices to settle\n",
202 	    sb->sc_dev.dv_xname);
203 #else	/* SCSI_DELAY > 2 */
204 #undef	SCSI_DELAY
205 #define SCSI_DELAY 2
206 #endif	/* SCSI_DELAY */
207 	delay(1000000 * SCSI_DELAY);
208 
209 	scsi_probe_bus(sb->sc_dev.dv_unit, -1, -1);
210 }
211 
212 int
213 #ifdef __BROKEN_INDIRECT_CONFIG
214 scsibussubmatch(parent, match, aux)
215 #else
216 scsibussubmatch(parent, cf, aux)
217 #endif
218 	struct device *parent;
219 #ifdef __BROKEN_INDIRECT_CONFIG
220 	void *match;
221 #else
222 	struct cfdata *cf;
223 #endif
224 	void *aux;
225 {
226 #ifdef __BROKEN_INDIRECT_CONFIG
227 	struct cfdata *cf = match;
228 #endif
229 	struct scsipibus_attach_args *sa = aux;
230 	struct scsipi_link *sc_link = sa->sa_sc_link;
231 
232 	if (cf->cf_loc[SCSIBUSCF_TARGET] != SCSIBUSCF_TARGET_DEFAULT &&
233 	    cf->cf_loc[SCSIBUSCF_TARGET] != sc_link->scsipi_scsi.target)
234 		return (0);
235 	if (cf->cf_loc[SCSIBUSCF_LUN] != SCSIBUSCF_LUN_DEFAULT &&
236 	    cf->cf_loc[SCSIBUSCF_LUN] != sc_link->scsipi_scsi.lun)
237 		return (0);
238 	return ((*cf->cf_attach->ca_match)(parent, cf, aux));
239 }
240 
241 /*
242  * Probe the requested scsi bus. It must be already set up.
243  * -1 requests all set up scsi busses.
244  * target and lun optionally narrow the search if not -1
245  */
246 int
247 scsi_probe_busses(bus, target, lun)
248 	int bus, target, lun;
249 {
250 
251 	if (bus == -1) {
252 		for (bus = 0; bus < scsibus_cd.cd_ndevs; bus++)
253 			if (scsibus_cd.cd_devs[bus])
254 				scsi_probe_bus(bus, target, lun);
255 		return (0);
256 	} else
257 		return (scsi_probe_bus(bus, target, lun));
258 }
259 
260 /*
261  * Probe the requested scsi bus. It must be already set up.
262  * target and lun optionally narrow the search if not -1
263  */
264 int
265 scsi_probe_bus(bus, target, lun)
266 	int bus, target, lun;
267 {
268 	struct scsibus_softc *scsi;
269 	int maxtarget, mintarget, maxlun, minlun;
270 	u_int8_t scsi_addr;
271 
272 	if (bus < 0 || bus >= scsibus_cd.cd_ndevs)
273 		return (ENXIO);
274 	scsi = scsibus_cd.cd_devs[bus];
275 	if (scsi == NULL)
276 		return (ENXIO);
277 
278 	scsi_addr = scsi->adapter_link->scsipi_scsi.adapter_target;
279 
280 	if (target == -1) {
281 		maxtarget = scsi->sc_maxtarget;
282 		mintarget = 0;
283 	} else {
284 		if (target < 0 || target > scsi->sc_maxtarget)
285 			return (EINVAL);
286 		maxtarget = mintarget = target;
287 	}
288 
289 	if (lun == -1) {
290 		maxlun = 7;
291 		minlun = 0;
292 	} else {
293 		if (lun < 0 || lun > 7)
294 			return (EINVAL);
295 		maxlun = minlun = lun;
296 	}
297 
298 	for (target = mintarget; target <= maxtarget; target++) {
299 		if (target == scsi_addr)
300 			continue;
301 		for (lun = minlun; lun <= maxlun; lun++) {
302 			/*
303 			 * See if there's a device present, and configure it.
304 			 */
305 			scsi_probedev(scsi, target, lun);
306 			if ((scsi->moreluns & (1 << target)) == 0)
307 				break;
308 			/* otherwise something says we should look further */
309 		}
310 	}
311 	return (0);
312 }
313 
314 /*
315  * Print out autoconfiguration information for a subdevice.
316  *
317  * This is a slight abuse of 'standard' autoconfiguration semantics,
318  * because 'print' functions don't normally print the colon and
319  * device information.  However, in this case that's better than
320  * either printing redundant information before the attach message,
321  * or having the device driver call a special function to print out
322  * the standard device information.
323  */
324 int
325 scsibusprint(aux, pnp)
326 	void *aux;
327 	const char *pnp;
328 {
329 	struct scsipibus_attach_args *sa = aux;
330 	struct scsipi_inquiry_pattern *inqbuf;
331 	u_int8_t type;
332 	char *dtype, *qtype;
333 	char vendor[33], product[65], revision[17];
334 	int target, lun;
335 
336 	if (pnp != NULL)
337 		printf("%s", pnp);
338 
339 	inqbuf = &sa->sa_inqbuf;
340 
341 	target = sa->sa_sc_link->scsipi_scsi.target;
342 	lun = sa->sa_sc_link->scsipi_scsi.lun;
343 
344 	type = inqbuf->type & SID_TYPE;
345 
346 	/*
347 	 * Figure out basic device type and qualifier.
348 	 */
349 	dtype = 0;
350 	switch (inqbuf->type & SID_QUAL) {
351 	case SID_QUAL_LU_OK:
352 		qtype = "";
353 		break;
354 
355 	case SID_QUAL_LU_OFFLINE:
356 		qtype = " offline";
357 		break;
358 
359 	case SID_QUAL_RSVD:
360 	case SID_QUAL_BAD_LU:
361 		panic("scsibusprint: impossible qualifier");
362 
363 	default:
364 		qtype = "";
365 		dtype = "vendor-unique";
366 		break;
367 	}
368 	if (dtype == 0)
369 		dtype = scsipi_dtype(type);
370 
371 	scsipi_strvis(vendor, inqbuf->vendor, 8);
372 	scsipi_strvis(product, inqbuf->product, 16);
373 	scsipi_strvis(revision, inqbuf->revision, 4);
374 
375 	printf(" targ %d lun %d: <%s, %s, %s> SCSI%d %d/%s %s%s",
376 	    target, lun, vendor, product, revision,
377 	    sa->scsipi_info.scsi_version & SID_ANSII, type, dtype,
378 	    inqbuf->removable ? "removable" : "fixed", qtype);
379 
380 	return (UNCONF);
381 }
382 
383 struct scsi_quirk_inquiry_pattern scsi_quirk_patterns[] = {
384 	{{T_CDROM, T_REMOV,
385 	 "CHINON  ", "CD-ROM CDS-431  ", ""},     SDEV_NOLUNS},
386 	{{T_CDROM, T_REMOV,
387 	 "Chinon  ", "CD-ROM CDS-525  ", ""},     SDEV_NOLUNS},
388 	{{T_CDROM, T_REMOV,
389 	 "CHINON  ", "CD-ROM CDS-535  ", ""},     SDEV_NOLUNS},
390 	{{T_CDROM, T_REMOV,
391 	 "DENON   ", "DRD-25X         ", "V"},    SDEV_NOLUNS},
392 	{{T_CDROM, T_REMOV,
393 	 "HP      ", "C4324/C4325     ", ""},     SDEV_NOLUNS},
394 	{{T_CDROM, T_REMOV,
395 	 "IMS     ", "CDD521/10       ", "2.06"}, SDEV_NOLUNS},
396 	{{T_CDROM, T_REMOV,
397 	 "MATSHITA", "CD-ROM CR-5XX   ", "1.0b"}, SDEV_NOLUNS},
398 	{{T_CDROM, T_REMOV,
399 	 "MEDAVIS ", "RENO CD-ROMX2A  ", ""},     SDEV_NOLUNS},
400 	{{T_CDROM, T_REMOV,
401 	 "MEDIAVIS", "CDR-H93MV       ", "1.3"},  SDEV_NOLUNS},
402 	{{T_CDROM, T_REMOV,
403 	 "NEC     ", "CD-ROM DRIVE:55 ", ""},     SDEV_NOLUNS},
404 	{{T_CDROM, T_REMOV,
405 	 "NEC     ", "CD-ROM DRIVE:83 ", ""},     SDEV_NOLUNS},
406 	{{T_CDROM, T_REMOV,
407 	 "NEC     ", "CD-ROM DRIVE:84 ", ""},     SDEV_NOLUNS},
408 	{{T_CDROM, T_REMOV,
409 	 "NEC     ", "CD-ROM DRIVE:841", ""},     SDEV_NOLUNS},
410 	{{T_CDROM, T_REMOV,
411 	 "PIONEER ", "CD-ROM DR-124X  ", "1.01"}, SDEV_NOLUNS},
412 	{{T_CDROM, T_REMOV,
413 	 "SONY    ", "CD-ROM CDU-541  ", ""},     SDEV_NOLUNS},
414 	{{T_CDROM, T_REMOV,
415 	 "SONY    ", "CD-ROM CDU-55S  ", ""},     SDEV_NOLUNS},
416 	{{T_CDROM, T_REMOV,
417 	 "SONY    ", "CD-ROM CDU-8003A", ""},     SDEV_NOLUNS},
418 	{{T_CDROM, T_REMOV,
419 	 "SONY    ", "CD-ROM CDU-8012 ", ""},     SDEV_NOLUNS},
420 	{{T_CDROM, T_REMOV,
421 	 "TEAC    ", "CD-ROM          ", "1.06"}, SDEV_NOLUNS},
422 	{{T_CDROM, T_REMOV,
423 	 "TEAC    ", "CD-ROM CD-56S   ", "1.0B"}, SDEV_NOLUNS},
424 	{{T_CDROM, T_REMOV,
425 	 "TEXEL   ", "CD-ROM          ", "1.06"}, SDEV_NOLUNS},
426 	{{T_CDROM, T_REMOV,
427 	 "TEXEL   ", "CD-ROM DM-XX24 K", "1.10"}, SDEV_NOLUNS},
428 	{{T_CDROM, T_REMOV,
429 	 "TOSHIBA ", "XM-4101TASUNSLCD", "1755"}, SDEV_NOLUNS},
430 	{{T_CDROM, T_REMOV,
431 	 "ShinaKen", "CD-ROM DM-3x1S", "1.04"}, SDEV_NOLUNS},
432 	{{T_DIRECT, T_FIXED,
433 	 "MICROP  ", "1588-15MBSUN0669", ""},     SDEV_AUTOSAVE},
434 	{{T_OPTICAL, T_REMOV,
435 	 "EPSON   ", "OMD-5010        ", "3.08"}, SDEV_NOLUNS},
436 
437 	{{T_DIRECT, T_FIXED,
438 	 "DEC     ", "RZ55     (C) DEC", ""},     SDEV_AUTOSAVE},
439 	{{T_DIRECT, T_FIXED,
440 	 "EMULEX  ", "MD21/S2     ESDI", "A00"},  SDEV_FORCELUNS|SDEV_AUTOSAVE},
441 	/* Gives non-media hardware failure in response to start-unit command */
442 	{{T_DIRECT, T_FIXED,
443 	 "HITACHI", "DK515C",		"CP16"},  SDEV_NOSTARTUNIT},
444 	{{T_DIRECT, T_FIXED,
445 	 "HITACHI", "DK515C",		"CP15"},  SDEV_NOSTARTUNIT},
446 	{{T_DIRECT, T_FIXED,
447 	 "IBMRAID ", "0662S",		 ""},     SDEV_AUTOSAVE},
448 	{{T_DIRECT, T_FIXED,
449 	 "IBM     ", "0663H",		 ""},     SDEV_AUTOSAVE},
450 	{{T_DIRECT, T_FIXED,
451 	 "IBM",	     "0664",		 ""},     SDEV_AUTOSAVE},
452 	{{T_DIRECT, T_FIXED,
453 	 "IBM     ", "H3171-S2",	 ""},	  SDEV_NOLUNS|SDEV_AUTOSAVE},
454 	{{T_DIRECT, T_FIXED,
455 	 "IBM     ", "KZ-C",		 ""},	  SDEV_AUTOSAVE},
456 	/* Broken IBM disk */
457 	{{T_DIRECT, T_FIXED,
458 	 ""	   , "DFRSS2F",		 ""},	  SDEV_AUTOSAVE},
459 	{{T_DIRECT, T_REMOV,
460 	 "MPL     ", "MC-DISK-        ", ""},     SDEV_NOLUNS},
461 	{{T_DIRECT, T_FIXED,
462 	 "MAXTOR  ", "XT-3280         ", ""},     SDEV_NOLUNS},
463 	{{T_DIRECT, T_FIXED,
464 	 "MAXTOR  ", "XT-4380S        ", ""},     SDEV_NOLUNS},
465 	{{T_DIRECT, T_FIXED,
466 	 "MAXTOR  ", "MXT-1240S       ", ""},     SDEV_NOLUNS},
467 	{{T_DIRECT, T_FIXED,
468 	 "MAXTOR  ", "XT-4170S        ", ""},     SDEV_NOLUNS},
469 	{{T_DIRECT, T_FIXED,
470 	 "MAXTOR  ", "XT-8760S",         ""},     SDEV_NOLUNS},
471 	{{T_DIRECT, T_FIXED,
472 	 "MAXTOR  ", "LXT-213S        ", ""},     SDEV_NOLUNS},
473 	{{T_DIRECT, T_FIXED,
474 	 "MAXTOR  ", "LXT-213S SUN0207", ""},     SDEV_NOLUNS},
475 	{{T_DIRECT, T_FIXED,
476 	 "MAXTOR  ", "LXT-200S        ", ""},     SDEV_NOLUNS},
477 	{{T_DIRECT, T_FIXED,
478 	 "MEGADRV ", "EV1000",           ""},     SDEV_NOMODESENSE},
479 	{{T_DIRECT, T_FIXED,
480 	 "MST     ", "SnapLink        ", ""},     SDEV_NOLUNS},
481 	{{T_DIRECT, T_FIXED,
482 	 "NEC     ", "D3847           ", "0307"}, SDEV_NOLUNS},
483 	{{T_DIRECT, T_FIXED,
484 	 "QUANTUM ", "ELS85S          ", ""},     SDEV_AUTOSAVE},
485 	{{T_DIRECT, T_FIXED,
486 	 "QUANTUM ", "LPS525S         ", ""},     SDEV_NOLUNS},
487 	{{T_DIRECT, T_FIXED,
488 	 "QUANTUM ", "P105S 910-10-94x", ""},     SDEV_NOLUNS},
489 	{{T_DIRECT, T_FIXED,
490 	 "QUANTUM ", "PD1225S         ", ""},     SDEV_NOLUNS},
491 	{{T_DIRECT, T_FIXED,
492 	 "QUANTUM ", "PD210S   SUN0207", ""},     SDEV_NOLUNS},
493 	{{T_DIRECT, T_FIXED,
494 	 "RODIME  ", "RO3000S         ", ""},     SDEV_NOLUNS},
495 	{{T_DIRECT, T_FIXED,
496 	 "SEAGATE ", "ST125N          ", ""},     SDEV_NOLUNS},
497 	{{T_DIRECT, T_FIXED,
498 	 "SEAGATE ", "ST157N          ", ""},     SDEV_NOLUNS},
499 	{{T_DIRECT, T_FIXED,
500 	 "SEAGATE ", "ST296           ", ""},     SDEV_NOLUNS},
501 	{{T_DIRECT, T_FIXED,
502 	 "SEAGATE ", "ST296N          ", ""},     SDEV_NOLUNS},
503 	{{T_DIRECT, T_FIXED,
504 	 "SEAGATE ", "ST19171FC", ""},            SDEV_NOMODESENSE},
505 	{{T_DIRECT, T_FIXED,
506 	 "SEAGATE ", "ST34501FC       ", ""},     SDEV_NOMODESENSE},
507 	{{T_DIRECT, T_FIXED,
508 	 "TOSHIBA ", "MK538FB         ", "6027"}, SDEV_NOLUNS},
509 	{{T_DIRECT, T_REMOV,
510 	 "iomega", "jaz 1GB", 		 ""},	  SDEV_NOMODESENSE},
511 	{{T_DIRECT, T_REMOV,
512 	 "IOMEGA", "ZIP 100",		 ""},	  SDEV_NOMODESENSE},
513 	/* Letting the motor run kills floppy drives and disks quite fast. */
514 	{{T_DIRECT, T_REMOV,
515 	 "TEAC", "FC-1",		 ""},	  SDEV_NOSTARTUNIT},
516 
517 	/* XXX: QIC-36 tape behind Emulex adapter.  Very broken. */
518 	{{T_SEQUENTIAL, T_REMOV,
519 	 "        ", "                ", "    "}, SDEV_NOLUNS},
520 	{{T_SEQUENTIAL, T_REMOV,
521 	 "CALIPER ", "CP150           ", ""},     SDEV_NOLUNS},
522 	{{T_SEQUENTIAL, T_REMOV,
523 	 "EXABYTE ", "EXB-8200        ", ""},     SDEV_NOLUNS},
524 	{{T_SEQUENTIAL, T_REMOV,
525 	 "SONY    ", "GY-10C          ", ""},     SDEV_NOLUNS},
526 	{{T_SEQUENTIAL, T_REMOV,
527 	 "SONY    ", "SDT-2000        ", "2.09"}, SDEV_NOLUNS},
528 	{{T_SEQUENTIAL, T_REMOV,
529 	 "SONY    ", "SDT-5000        ", "3."},   SDEV_NOSYNCWIDE},
530 	{{T_SEQUENTIAL, T_REMOV,
531 	 "SONY    ", "SDT-5200        ", "3."},   SDEV_NOLUNS},
532 	{{T_SEQUENTIAL, T_REMOV,
533 	 "TANDBERG", " TDC 3600       ", ""},     SDEV_NOLUNS},
534 	/* Following entry reported as a Tandberg 3600; ref. PR1933 */
535 	{{T_SEQUENTIAL, T_REMOV,
536 	 "ARCHIVE ", "VIPER 150  21247", ""},     SDEV_NOLUNS},
537 	/* Following entry for a Cipher ST150S; ref. PR4171 */
538 	{{T_SEQUENTIAL, T_REMOV,
539 	 "ARCHIVE ", "VIPER 1500 21247", "2.2G"}, SDEV_NOLUNS},
540 	{{T_SEQUENTIAL, T_REMOV,
541 	 "ARCHIVE ", "Python 28454-XXX", ""},     SDEV_NOLUNS},
542 	{{T_SEQUENTIAL, T_REMOV,
543 	 "WANGTEK ", "5099ES SCSI",      ""},     SDEV_NOLUNS},
544 	{{T_SEQUENTIAL, T_REMOV,
545 	 "WANGTEK ", "5150ES SCSI",      ""},     SDEV_NOLUNS},
546 	{{T_SEQUENTIAL, T_REMOV,
547 	 "WangDAT ", "Model 1300      ", "02.4"}, SDEV_NOSYNCWIDE},
548 	{{T_SEQUENTIAL, T_REMOV,
549 	 "WangDAT ", "Model 2600      ", "01.7"}, SDEV_NOSYNCWIDE},
550 	{{T_SEQUENTIAL, T_REMOV,
551 	 "WangDAT ", "Model 3200      ", "02.2"}, SDEV_NOSYNCWIDE},
552 
553 	{{T_SCANNER, T_FIXED,
554 	 "UMAX    ", "UMAX S-6E       ", "V2.0"}, SDEV_NOLUNS},
555 	{{T_SCANNER, T_FIXED,
556 	 "UMAX    ", "UMAX S-12       ", "V2.1"}, SDEV_NOLUNS},
557 
558 	{{T_PROCESSOR, T_FIXED,
559 	 "LITRONIC", "PCMCIA          ", ""},     SDEV_NOLUNS},
560 };
561 
562 /*
563  * given a target and lun, ask the device what
564  * it is, and find the correct driver table
565  * entry.
566  */
567 void
568 scsi_probedev(scsi, target, lun)
569 	struct scsibus_softc *scsi;
570 	int target, lun;
571 {
572 	struct scsipi_link *sc_link;
573 	static struct scsipi_inquiry_data inqbuf;
574 	struct scsi_quirk_inquiry_pattern *finger;
575 	int checkdtype, priority;
576 	struct scsipibus_attach_args sa;
577 	struct cfdata *cf;
578 
579 	/* Skip this slot if it is already attached. */
580 	if (scsi->sc_link[target][lun] != NULL)
581 		return;
582 
583 	sc_link = malloc(sizeof(*sc_link), M_DEVBUF, M_NOWAIT);
584 	*sc_link = *scsi->adapter_link;
585 	sc_link->scsipi_scsi.target = target;
586 	sc_link->scsipi_scsi.lun = lun;
587 	sc_link->device = &probe_switch;
588 
589 	/*
590 	 * Ask the device what it is
591 	 */
592 #if defined(SCSIDEBUG) && DEBUGTYPE == BUS_SCSI
593 	if (target == DEBUGTARGET && lun == DEBUGLUN)
594 		sc_link->flags |= DEBUGLEVEL;
595 #endif /* SCSIDEBUG */
596 
597 	(void) scsipi_test_unit_ready(sc_link,
598 	    SCSI_AUTOCONF | SCSI_IGNORE_ILLEGAL_REQUEST |
599 	    SCSI_IGNORE_NOT_READY | SCSI_IGNORE_MEDIA_CHANGE);
600 
601 #ifdef SCSI_2_DEF
602 	/* some devices need to be told to go to SCSI2 */
603 	/* However some just explode if you tell them this.. leave it out */
604 	scsi_change_def(sc_link, SCSI_AUTOCONF | SCSI_SILENT);
605 #endif /* SCSI_2_DEF */
606 
607 	/* Now go ask the device all about itself. */
608 	bzero(&inqbuf, sizeof(inqbuf));
609 	if (scsipi_inquire(sc_link, &inqbuf, SCSI_AUTOCONF) != 0)
610 		goto bad;
611 
612 	{
613 		int len = inqbuf.additional_length;
614 		while (len < 3)
615 			inqbuf.unused[len++] = '\0';
616 		while (len < 3 + 28)
617 			inqbuf.unused[len++] = ' ';
618 	}
619 
620 	sa.sa_sc_link = sc_link;
621 	sa.sa_inqbuf.type = inqbuf.device;
622 	sa.sa_inqbuf.removable = inqbuf.dev_qual2 & SID_REMOVABLE ?
623 	    T_REMOV : T_FIXED;
624 	sa.sa_inqbuf.vendor = inqbuf.vendor;
625 	sa.sa_inqbuf.product = inqbuf.product;
626 	sa.sa_inqbuf.revision = inqbuf.revision;
627 	sa.scsipi_info.scsi_version = inqbuf.version;
628 
629 	finger = (struct scsi_quirk_inquiry_pattern *)scsipi_inqmatch(
630 	    &sa.sa_inqbuf, (caddr_t)scsi_quirk_patterns,
631 	    sizeof(scsi_quirk_patterns)/sizeof(scsi_quirk_patterns[0]),
632 	    sizeof(scsi_quirk_patterns[0]), &priority);
633 	if (priority != 0)
634 		sc_link->quirks |= finger->quirks;
635 	if ((inqbuf.version & SID_ANSII) == 0 &&
636 	    (sc_link->quirks & SDEV_FORCELUNS) == 0)
637 		sc_link->quirks |= SDEV_NOLUNS;
638 	sc_link->scsipi_scsi.scsi_version = inqbuf.version;
639 
640 	if ((sc_link->quirks & SDEV_NOLUNS) == 0)
641 		scsi->moreluns |= (1 << target);
642 
643 	/*
644 	 * note what BASIC type of device it is
645 	 */
646 	if ((inqbuf.dev_qual2 & SID_REMOVABLE) != 0)
647 		sc_link->flags |= SDEV_REMOVABLE;
648 
649 	/*
650 	 * Any device qualifier that has the top bit set (qualifier&4 != 0)
651 	 * is vendor specific and won't match in this switch.
652 	 * All we do here is throw out bad/negative responses.
653 	 */
654 	checkdtype = 0;
655 	switch (inqbuf.device & SID_QUAL) {
656 	case SID_QUAL_LU_OK:
657 	case SID_QUAL_LU_OFFLINE:
658 		checkdtype = 1;
659 		break;
660 
661 	case SID_QUAL_RSVD:
662 	case SID_QUAL_BAD_LU:
663 		goto bad;
664 
665 	default:
666 		break;
667 	}
668 	if (checkdtype)
669 		switch (inqbuf.device & SID_TYPE) {
670 		case T_DIRECT:
671 		case T_SEQUENTIAL:
672 		case T_PRINTER:
673 		case T_PROCESSOR:
674 		case T_WORM:
675 		case T_CDROM:
676 		case T_SCANNER:
677 		case T_OPTICAL:
678 		case T_CHANGER:
679 		case T_COMM:
680 		case T_IT8_1:
681 		case T_IT8_2:
682 		case T_STORARRAY:
683 		case T_ENCLOSURE:
684 		default:
685 			break;
686 		case T_NODEVICE:
687 			goto bad;
688 		}
689 
690 	if ((cf = config_search(scsibussubmatch, (struct device *)scsi,
691 	    &sa)) != NULL) {
692 		scsi->sc_link[target][lun] = sc_link;
693 		config_attach((struct device *)scsi, cf, &sa, scsibusprint);
694 	} else {
695 		scsibusprint(&sa, scsi->sc_dev.dv_xname);
696 		printf(" not configured\n");
697 		goto bad;
698 	}
699 
700 	return;
701 
702 bad:
703 	free(sc_link, M_DEVBUF);
704 	return;
705 }
706