xref: /netbsd-src/sys/dev/scsipi/scsiconf.c (revision 481fca6e59249d8ffcf24fef7cfbe7b131bfb080)
1 /*	$NetBSD: scsiconf.c,v 1.147 2000/06/09 08:54:23 enami Exp $	*/
2 
3 /*-
4  * Copyright (c) 1998 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by Charles M. Hannum; Jason R. Thorpe of the Numerical Aerospace
9  * Simulation Facility, NASA Ames Research Center.
10  *
11  * Redistribution and use in source and binary forms, with or without
12  * modification, are permitted provided that the following conditions
13  * are met:
14  * 1. Redistributions of source code must retain the above copyright
15  *    notice, this list of conditions and the following disclaimer.
16  * 2. Redistributions in binary form must reproduce the above copyright
17  *    notice, this list of conditions and the following disclaimer in the
18  *    documentation and/or other materials provided with the distribution.
19  * 3. All advertising materials mentioning features or use of this software
20  *    must display the following acknowledgement:
21  *        This product includes software developed by the NetBSD
22  *        Foundation, Inc. and its contributors.
23  * 4. Neither the name of The NetBSD Foundation nor the names of its
24  *    contributors may be used to endorse or promote products derived
25  *    from this software without specific prior written permission.
26  *
27  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
28  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
29  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
30  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
31  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
32  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
33  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
34  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
35  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
36  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
37  * POSSIBILITY OF SUCH DAMAGE.
38  */
39 
40 /*
41  * Originally written by Julian Elischer (julian@tfs.com)
42  * for TRW Financial Systems for use under the MACH(2.5) operating system.
43  *
44  * TRW Financial Systems, in accordance with their agreement with Carnegie
45  * Mellon University, makes this software available to CMU to distribute
46  * or use in any manner that they see fit as long as this message is kept with
47  * the software. For this reason TFS also grants any other persons or
48  * organisations permission to use or modify this software.
49  *
50  * TFS supplies this software to be publicly redistributed
51  * on the understanding that TFS is not responsible for the correct
52  * functioning of this software in any circumstances.
53  *
54  * Ported to run under 386BSD by Julian Elischer (julian@tfs.com) Sept 1992
55  */
56 
57 #include <sys/types.h>
58 #include <sys/param.h>
59 #include <sys/systm.h>
60 #include <sys/kernel.h>
61 #include <sys/proc.h>
62 #include <sys/malloc.h>
63 #include <sys/device.h>
64 #include <sys/conf.h>
65 #include <sys/fcntl.h>
66 #include <sys/scsiio.h>
67 
68 #include <dev/scsipi/scsi_all.h>
69 #include <dev/scsipi/scsipi_all.h>
70 #include <dev/scsipi/scsiconf.h>
71 
72 #include "locators.h"
73 
74 #if 0
75 #if NCALS > 0
76 	{ T_PROCESSOR, T_FIXED, 1,
77 	  0, 0, 0 },
78 #endif	/* NCALS */
79 #if NBLL > 0
80 	{ T_PROCESSOR, T_FIXED, 1,
81 	  "AEG     ", "READER          ", "V1.0" },
82 #endif	/* NBLL */
83 #if NKIL > 0
84 	{ T_SCANNER, T_FIXED, 0,
85 	  "KODAK   ", "IL Scanner 900  ", 0 },
86 #endif	/* NKIL */
87 #endif
88 
89 /*
90  * Declarations
91  */
92 int scsi_probedev __P((struct scsibus_softc *, int, int));
93 int scsi_probe_bus __P((int bus, int target, int lun));
94 
95 struct scsipi_device probe_switch = {
96 	NULL,
97 	NULL,
98 	NULL,
99 	NULL,
100 };
101 
102 int scsibusmatch __P((struct device *, struct cfdata *, void *));
103 void scsibusattach __P((struct device *, struct device *, void *));
104 int scsibusactivate __P((struct device *, enum devact));
105 int scsibusdetach __P((struct device *, int flags));
106 
107 int scsibussubmatch __P((struct device *, struct cfdata *, void *));
108 
109 struct cfattach scsibus_ca = {
110 	sizeof(struct scsibus_softc), scsibusmatch, scsibusattach,
111 	    scsibusdetach, scsibusactivate,
112 };
113 
114 extern struct cfdriver scsibus_cd;
115 
116 int scsibusprint __P((void *, const char *));
117 void scsibus_config_interrupts __P((struct device *));
118 
119 cdev_decl(scsibus);
120 
121 int
122 scsibusmatch(parent, cf, aux)
123 	struct device *parent;
124 	struct cfdata *cf;
125 	void *aux;
126 {
127 	struct scsipi_link *l = aux;
128 	int channel;
129 
130 	if (l->type != BUS_SCSI)
131 		return (0);
132 
133 	/*
134 	 * Allow single-channel controllers to specify their channel
135 	 * in a special way, so that it's not printed.
136 	 */
137 	channel = (l->scsipi_scsi.channel != SCSI_CHANNEL_ONLY_ONE) ?
138 	    l->scsipi_scsi.channel : 0;
139 
140 	if (cf->cf_loc[SCSICF_CHANNEL] != channel &&
141 	    cf->cf_loc[SCSICF_CHANNEL] != SCSICF_CHANNEL_DEFAULT)
142 		return (0);
143 
144 	return (1);
145 }
146 
147 /*
148  * The routine called by the adapter boards to get all their
149  * devices configured in.
150  */
151 void
152 scsibusattach(parent, self, aux)
153 	struct device *parent, *self;
154 	void *aux;
155 {
156 	struct scsibus_softc *sb = (struct scsibus_softc *)self;
157 	struct scsipi_link *sc_link_proto = aux;
158 	size_t nbytes;
159 	int i;
160 
161 	sc_link_proto->scsipi_scsi.scsibus = sb->sc_dev.dv_unit;
162 	sc_link_proto->scsipi_cmd = scsi_scsipi_cmd;
163 	sc_link_proto->scsipi_interpret_sense = scsipi_interpret_sense;
164 	sc_link_proto->sc_print_addr = scsi_print_addr;
165 	sc_link_proto->scsipi_kill_pending = scsi_kill_pending;
166 
167 	sb->adapter_link = sc_link_proto;
168 	sb->sc_maxtarget = sc_link_proto->scsipi_scsi.max_target;
169 	sb->sc_maxlun = sc_link_proto->scsipi_scsi.max_lun;
170 	printf(": %d targets, %d luns per target\n",
171 	    sb->sc_maxtarget + 1, sb->sc_maxlun + 1);
172 
173 	/* Initialize shared data. */
174 	scsipi_init();
175 
176 	nbytes = (sb->sc_maxtarget + 1) * sizeof(struct scsipi_link **);
177 	sb->sc_link = (struct scsipi_link ***)malloc(nbytes, M_DEVBUF,
178 	    M_NOWAIT);
179 	if (sb->sc_link == NULL)
180 		panic("scsibusattach: can't allocate target links");
181 
182 	nbytes = (((int) sb->sc_maxlun) + 1) * sizeof(struct scsipi_link *);
183 	for (i = 0; i <= sb->sc_maxtarget; i++) {
184 		sb->sc_link[i] = (struct scsipi_link **)malloc(nbytes,
185 		    M_DEVBUF, M_NOWAIT);
186 		if (sb->sc_link[i] == NULL)
187 			panic("scsibusattach: can't allocate lun links");
188 		bzero(sb->sc_link[i], nbytes);
189 	}
190 
191 	/*
192 	 * Defer configuration of the children until interrupts
193 	 * are enabled.
194 	 */
195 	config_interrupts(self, scsibus_config_interrupts);
196 }
197 
198 void
199 scsibus_config_interrupts(self)
200 	struct device *self;
201 {
202 #ifndef SCSI_DELAY
203 #define SCSI_DELAY 2
204 #endif
205 	if (SCSI_DELAY > 0) {
206 		printf("%s: waiting %d seconds for devices to settle...\n",
207 		    self->dv_xname, SCSI_DELAY);
208 		/* ...an identifier we know no one will use... */
209 		(void) tsleep(scsibus_config_interrupts, PRIBIO,
210 		    "scsidly", SCSI_DELAY * hz);
211 	}
212 
213 	scsi_probe_bus(self->dv_unit, -1, -1);
214 }
215 
216 int
217 scsibussubmatch(parent, cf, aux)
218 	struct device *parent;
219 	struct cfdata *cf;
220 	void *aux;
221 {
222 	struct scsipibus_attach_args *sa = aux;
223 	struct scsipi_link *sc_link = sa->sa_sc_link;
224 
225 	if (cf->cf_loc[SCSIBUSCF_TARGET] != SCSIBUSCF_TARGET_DEFAULT &&
226 	    cf->cf_loc[SCSIBUSCF_TARGET] != sc_link->scsipi_scsi.target)
227 		return (0);
228 	if (cf->cf_loc[SCSIBUSCF_LUN] != SCSIBUSCF_LUN_DEFAULT &&
229 	    cf->cf_loc[SCSIBUSCF_LUN] != sc_link->scsipi_scsi.lun)
230 		return (0);
231 	return ((*cf->cf_attach->ca_match)(parent, cf, aux));
232 }
233 
234 int
235 scsibusactivate(self, act)
236 	struct device *self;
237 	enum devact act;
238 {
239 	struct scsibus_softc *sc = (struct scsibus_softc *) self;
240 	struct scsipi_link *sc_link;
241 	int target, lun, error = 0, s;
242 
243 	s = splbio();
244 	switch (act) {
245 	case DVACT_ACTIVATE:
246 		error = EOPNOTSUPP;
247 		break;
248 
249 	case DVACT_DEACTIVATE:
250 		for (target = 0; target <= sc->sc_maxtarget; target++) {
251 			if (target ==
252 			    sc->adapter_link->scsipi_scsi.adapter_target)
253 				continue;
254 			for (lun = 0; lun <= sc->sc_maxlun; lun++) {
255 				sc_link = sc->sc_link[target][lun];
256 				if (sc_link == NULL)
257 					continue;
258 				error =
259 				    config_deactivate(sc_link->device_softc);
260 				if (error)
261 					goto out;
262 			}
263 		}
264 		break;
265 	}
266  out:
267 	splx(s);
268 	return (error);
269 }
270 
271 int
272 scsibusdetach(self, flags)
273 	struct device *self;
274 	int flags;
275 {
276 	struct scsibus_softc *sc = (struct scsibus_softc *) self;
277 	struct scsipi_link *sc_link;
278 	int target, lun, error;
279 
280 	for (target = 0; target <= sc->sc_maxtarget; target++) {
281 		if (target == sc->adapter_link->scsipi_scsi.adapter_target)
282 			continue;
283 		for (lun = 0; lun <= sc->sc_maxlun; lun++) {
284 			sc_link = sc->sc_link[target][lun];
285 			if (sc_link == NULL)
286 				continue;
287 			error = config_detach(sc_link->device_softc, flags);
288 			if (error)
289 				return (error);
290 			free(sc_link, M_DEVBUF);
291 			sc->sc_link[target][lun] = NULL;
292 		}
293 	}
294 	return (0);
295 }
296 
297 /*
298  * Probe the requested scsi bus. It must be already set up.
299  * -1 requests all set up scsi busses.
300  * target and lun optionally narrow the search if not -1
301  */
302 int
303 scsi_probe_busses(bus, target, lun)
304 	int bus, target, lun;
305 {
306 
307 	if (bus == -1) {
308 		for (bus = 0; bus < scsibus_cd.cd_ndevs; bus++)
309 			if (scsibus_cd.cd_devs[bus])
310 				scsi_probe_bus(bus, target, lun);
311 		return (0);
312 	} else
313 		return (scsi_probe_bus(bus, target, lun));
314 }
315 
316 /*
317  * Probe the requested scsi bus. It must be already set up.
318  * target and lun optionally narrow the search if not -1
319  */
320 int
321 scsi_probe_bus(bus, target, lun)
322 	int bus, target, lun;
323 {
324 	struct scsibus_softc *scsi;
325 	int maxtarget, mintarget, maxlun, minlun;
326 	u_int8_t scsi_addr;
327 	int error;
328 
329 	if (bus < 0 || bus >= scsibus_cd.cd_ndevs)
330 		return (ENXIO);
331 	scsi = scsibus_cd.cd_devs[bus];
332 	if (scsi == NULL)
333 		return (ENXIO);
334 
335 	scsi_addr = scsi->adapter_link->scsipi_scsi.adapter_target;
336 
337 	if (target == -1) {
338 		maxtarget = scsi->sc_maxtarget;
339 		mintarget = 0;
340 	} else {
341 		if (target < 0 || target > scsi->sc_maxtarget)
342 			return (EINVAL);
343 		maxtarget = mintarget = target;
344 	}
345 
346 	if (lun == -1) {
347 		maxlun = scsi->sc_maxlun;
348 		minlun = 0;
349 	} else {
350 		if (lun < 0 || lun > scsi->sc_maxlun)
351 			return (EINVAL);
352 		maxlun = minlun = lun;
353 	}
354 
355 	if ((error = scsipi_adapter_addref(scsi->adapter_link)) != 0)
356 		return (error);
357 	for (target = mintarget; target <= maxtarget; target++) {
358 		if (target == scsi_addr)
359 			continue;
360 		for (lun = minlun; lun <= maxlun; lun++) {
361 			/*
362 			 * See if there's a device present, and configure it.
363 			 */
364 			if (scsi_probedev(scsi, target, lun) == 0) {
365 				break;
366 			}
367 			/* otherwise something says we should look further */
368 		}
369 	}
370 	scsipi_adapter_delref(scsi->adapter_link);
371 	return (0);
372 }
373 
374 /*
375  * Print out autoconfiguration information for a subdevice.
376  *
377  * This is a slight abuse of 'standard' autoconfiguration semantics,
378  * because 'print' functions don't normally print the colon and
379  * device information.  However, in this case that's better than
380  * either printing redundant information before the attach message,
381  * or having the device driver call a special function to print out
382  * the standard device information.
383  */
384 int
385 scsibusprint(aux, pnp)
386 	void *aux;
387 	const char *pnp;
388 {
389 	struct scsipibus_attach_args *sa = aux;
390 	struct scsipi_inquiry_pattern *inqbuf;
391 	u_int8_t type;
392 	char *dtype, *qtype;
393 	char vendor[33], product[65], revision[17];
394 	int target, lun;
395 
396 	if (pnp != NULL)
397 		printf("%s", pnp);
398 
399 	inqbuf = &sa->sa_inqbuf;
400 
401 	target = sa->sa_sc_link->scsipi_scsi.target;
402 	lun = sa->sa_sc_link->scsipi_scsi.lun;
403 
404 	type = inqbuf->type & SID_TYPE;
405 
406 	/*
407 	 * Figure out basic device type and qualifier.
408 	 */
409 	dtype = 0;
410 	switch (inqbuf->type & SID_QUAL) {
411 	case SID_QUAL_LU_OK:
412 		qtype = "";
413 		break;
414 
415 	case SID_QUAL_LU_OFFLINE:
416 		qtype = " offline";
417 		break;
418 
419 	case SID_QUAL_RSVD:
420 	case SID_QUAL_BAD_LU:
421 		panic("scsibusprint: impossible qualifier");
422 
423 	default:
424 		qtype = "";
425 		dtype = "vendor-unique";
426 		break;
427 	}
428 	if (dtype == 0)
429 		dtype = scsipi_dtype(type);
430 
431 	scsipi_strvis(vendor, 33, inqbuf->vendor, 8);
432 	scsipi_strvis(product, 65, inqbuf->product, 16);
433 	scsipi_strvis(revision, 17, inqbuf->revision, 4);
434 
435 	printf(" target %d lun %d: <%s, %s, %s> SCSI%d %d/%s %s%s",
436 	    target, lun, vendor, product, revision,
437 	    sa->scsipi_info.scsi_version & SID_ANSII, type, dtype,
438 	    inqbuf->removable ? "removable" : "fixed", qtype);
439 
440 	return (UNCONF);
441 }
442 
443 struct scsi_quirk_inquiry_pattern scsi_quirk_patterns[] = {
444 	{{T_CDROM, T_REMOV,
445 	 "CHINON  ", "CD-ROM CDS-431  ", ""},     SDEV_NOLUNS},
446 	{{T_CDROM, T_REMOV,
447 	 "Chinon  ", "CD-ROM CDS-525  ", ""},     SDEV_NOLUNS},
448 	{{T_CDROM, T_REMOV,
449 	 "CHINON  ", "CD-ROM CDS-535  ", ""},     SDEV_NOLUNS},
450 	{{T_CDROM, T_REMOV,
451 	 "DEC     ", "RRD42   (C) DEC ", ""},     SDEV_NOLUNS},
452 	{{T_CDROM, T_REMOV,
453 	 "DENON   ", "DRD-25X         ", "V"},    SDEV_NOLUNS},
454 	{{T_CDROM, T_REMOV,
455 	 "HP      ", "C4324/C4325     ", ""},     SDEV_NOLUNS},
456 	{{T_CDROM, T_REMOV,
457 	 "IMS     ", "CDD521/10       ", "2.06"}, SDEV_NOLUNS},
458 	{{T_CDROM, T_REMOV,
459 	 "MATSHITA", "CD-ROM CR-5XX   ", "1.0b"}, SDEV_NOLUNS},
460 	{{T_CDROM, T_REMOV,
461 	 "MEDAVIS ", "RENO CD-ROMX2A  ", ""},     SDEV_NOLUNS},
462 	{{T_CDROM, T_REMOV,
463 	 "MEDIAVIS", "CDR-H93MV       ", "1.3"},  SDEV_NOLUNS},
464 	{{T_CDROM, T_REMOV,
465 	 "NEC     ", "CD-ROM DRIVE:55 ", ""},     SDEV_NOLUNS},
466 	{{T_CDROM, T_REMOV,
467 	 "NEC     ", "CD-ROM DRIVE:83 ", ""},     SDEV_NOLUNS},
468 	{{T_CDROM, T_REMOV,
469 	 "NEC     ", "CD-ROM DRIVE:84 ", ""},     SDEV_NOLUNS},
470 	{{T_CDROM, T_REMOV,
471 	 "NEC     ", "CD-ROM DRIVE:841", ""},     SDEV_NOLUNS},
472 	{{T_CDROM, T_REMOV,
473 	 "PIONEER ", "CD-ROM DR-124X  ", "1.01"}, SDEV_NOLUNS},
474 	{{T_CDROM, T_REMOV,
475 	 "SONY    ", "CD-ROM CDU-541  ", ""},     SDEV_NOLUNS},
476 	{{T_CDROM, T_REMOV,
477 	 "SONY    ", "CD-ROM CDU-55S  ", ""},     SDEV_NOLUNS},
478 	{{T_CDROM, T_REMOV,
479 	 "SONY    ", "CD-ROM CDU-561  ", ""},     SDEV_NOLUNS},
480 	{{T_CDROM, T_REMOV,
481 	 "SONY    ", "CD-ROM CDU-8003A", ""},     SDEV_NOLUNS},
482 	{{T_CDROM, T_REMOV,
483 	 "SONY    ", "CD-ROM CDU-8012 ", ""},     SDEV_NOLUNS},
484 	{{T_CDROM, T_REMOV,
485 	 "TEAC    ", "CD-ROM          ", "1.06"}, SDEV_NOLUNS},
486 	{{T_CDROM, T_REMOV,
487 	 "TEAC    ", "CD-ROM CD-56S   ", "1.0B"}, SDEV_NOLUNS},
488 	{{T_CDROM, T_REMOV,
489 	 "TEXEL   ", "CD-ROM          ", "1.06"}, SDEV_NOLUNS},
490 	{{T_CDROM, T_REMOV,
491 	 "TEXEL   ", "CD-ROM DM-XX24 K", "1.09"}, SDEV_NOLUNS},
492 	{{T_CDROM, T_REMOV,
493 	 "TEXEL   ", "CD-ROM DM-XX24 K", "1.10"}, SDEV_NOLUNS},
494 	{{T_CDROM, T_REMOV,
495 	 "TOSHIBA ", "XM-4101TASUNSLCD", "1755"}, SDEV_NOLUNS},
496 	{{T_CDROM, T_REMOV,
497 	 "ShinaKen", "CD-ROM DM-3x1S", "1.04"}, SDEV_NOLUNS},
498 	{{T_CDROM, T_REMOV,
499 	 "JVC     ", "R2626",            ""},     SDEV_NOLUNS},
500 	{{T_CDROM, T_REMOV,
501 	 "YAMAHA", "CRW8424S",           ""},     SDEV_NOLUNS},
502 	{{T_DIRECT, T_FIXED,
503 	 "MICROP  ", "1588-15MBSUN0669", ""},     SDEV_AUTOSAVE},
504 	{{T_DIRECT, T_FIXED,
505 	 "MICROP  ", "2217-15MQ1091501", ""},     SDEV_NOSYNCCACHE},
506 	{{T_OPTICAL, T_REMOV,
507 	 "EPSON   ", "OMD-5010        ", "3.08"}, SDEV_NOLUNS},
508 
509 	{{T_DIRECT, T_FIXED,
510 	"TOSHIBA ", "CD-ROM XM-3401TA", "0283"}, SDEV_CDROM|SDEV_NOLUNS},
511 	{{T_DIRECT, T_FIXED,
512 	"TOSHIBA ", "CD-ROM DRIVE:XM", "1971"}, SDEV_CDROM|SDEV_NOLUNS},
513 	{{T_DIRECT, T_FIXED,
514 	 "ADAPTEC ", "AEC-4412BD",       "1.2A"}, SDEV_NOMODESENSE},
515 	{{T_DIRECT, T_FIXED,
516 	 "DEC     ", "RZ55     (C) DEC", ""},     SDEV_AUTOSAVE},
517 	{{T_DIRECT, T_FIXED,
518 	 "EMULEX  ", "MD21/S2     ESDI", "A00"},  SDEV_FORCELUNS|SDEV_AUTOSAVE},
519 	/* Gives non-media hardware failure in response to start-unit command */
520 	{{T_DIRECT, T_FIXED,
521 	 "HITACHI", "DK515C",		"CP16"},  SDEV_NOSTARTUNIT},
522 	{{T_DIRECT, T_FIXED,
523 	 "HITACHI", "DK515C",		"CP15"},  SDEV_NOSTARTUNIT},
524 	{{T_DIRECT, T_FIXED,
525 	 "HP      ", "C372",             ""},     SDEV_NOTAG},
526 	{{T_DIRECT, T_FIXED,
527 	 "IBMRAID ", "0662S",		 ""},     SDEV_AUTOSAVE},
528 	{{T_DIRECT, T_FIXED,
529 	 "IBM     ", "0663H",		 ""},     SDEV_AUTOSAVE},
530 	{{T_DIRECT, T_FIXED,
531 	 "IBM",	     "0664",		 ""},     SDEV_AUTOSAVE},
532 	{{T_DIRECT, T_FIXED,
533 	 "IBM     ", "H3171-S2",	 ""},	  SDEV_NOLUNS|SDEV_AUTOSAVE},
534 	{{T_DIRECT, T_FIXED,
535 	 "IBM     ", "KZ-C",		 ""},	  SDEV_AUTOSAVE},
536 	/* Broken IBM disk */
537 	{{T_DIRECT, T_FIXED,
538 	 ""	   , "DFRSS2F",		 ""},	  SDEV_AUTOSAVE},
539 	{{T_DIRECT, T_REMOV,
540 	 "MPL     ", "MC-DISK-        ", ""},     SDEV_NOLUNS},
541 	{{T_DIRECT, T_FIXED,
542 	 "MAXTOR  ", "XT-3280         ", ""},     SDEV_NOLUNS},
543 	{{T_DIRECT, T_FIXED,
544 	 "MAXTOR  ", "XT-4380S        ", ""},     SDEV_NOLUNS},
545 	{{T_DIRECT, T_FIXED,
546 	 "MAXTOR  ", "MXT-1240S       ", ""},     SDEV_NOLUNS},
547 	{{T_DIRECT, T_FIXED,
548 	 "MAXTOR  ", "XT-4170S        ", ""},     SDEV_NOLUNS},
549 	{{T_DIRECT, T_FIXED,
550 	 "MAXTOR  ", "XT-8760S",         ""},     SDEV_NOLUNS},
551 	{{T_DIRECT, T_FIXED,
552 	 "MAXTOR  ", "LXT-213S        ", ""},     SDEV_NOLUNS},
553 	{{T_DIRECT, T_FIXED,
554 	 "MAXTOR  ", "LXT-213S SUN0207", ""},     SDEV_NOLUNS},
555 	{{T_DIRECT, T_FIXED,
556 	 "MAXTOR  ", "LXT-200S        ", ""},     SDEV_NOLUNS},
557 	{{T_DIRECT, T_FIXED,
558 	 "MEGADRV ", "EV1000",           ""},     SDEV_NOMODESENSE},
559 	{{T_DIRECT, T_FIXED,
560 	 "MST     ", "SnapLink        ", ""},     SDEV_NOLUNS},
561 	{{T_DIRECT, T_FIXED,
562 	 "NEC     ", "D3847           ", "0307"}, SDEV_NOLUNS},
563 	{{T_DIRECT, T_FIXED,
564 	 "QUANTUM ", "ELS85S          ", ""},     SDEV_AUTOSAVE},
565 	{{T_DIRECT, T_FIXED,
566 	 "QUANTUM ", "LPS525S         ", ""},     SDEV_NOLUNS},
567 	{{T_DIRECT, T_FIXED,
568 	 "QUANTUM ", "P105S 910-10-94x", ""},     SDEV_NOLUNS},
569 	{{T_DIRECT, T_FIXED,
570 	 "QUANTUM ", "PD1225S         ", ""},     SDEV_NOLUNS},
571 	{{T_DIRECT, T_FIXED,
572 	 "QUANTUM ", "PD210S   SUN0207", ""},     SDEV_NOLUNS},
573 	{{T_DIRECT, T_FIXED,
574 	 "RODIME  ", "RO3000S         ", ""},     SDEV_NOLUNS},
575 	{{T_DIRECT, T_FIXED,
576 	 "SEAGATE ", "ST125N          ", ""},     SDEV_NOLUNS},
577 	{{T_DIRECT, T_FIXED,
578 	 "SEAGATE ", "ST157N          ", ""},     SDEV_NOLUNS},
579 	{{T_DIRECT, T_FIXED,
580 	 "SEAGATE ", "ST296           ", ""},     SDEV_NOLUNS},
581 	{{T_DIRECT, T_FIXED,
582 	 "SEAGATE ", "ST296N          ", ""},     SDEV_NOLUNS},
583 	{{T_DIRECT, T_FIXED,
584 	 "SEAGATE ", "ST19171",          ""},     SDEV_NOMODESENSE},
585 	{{T_DIRECT, T_FIXED,
586 	 "SEAGATE ", "ST34501FC       ", ""},     SDEV_NOMODESENSE},
587 	{{T_DIRECT, T_FIXED,
588 	 "TOSHIBA ", "MK538FB         ", "6027"}, SDEV_NOLUNS},
589 	{{T_DIRECT, T_REMOV,
590 	 "iomega", "jaz 1GB", 		 ""},	  SDEV_NOMODESENSE},
591 	{{T_DIRECT, T_REMOV,
592 	 "IOMEGA", "ZIP 100",		 ""},	  SDEV_NOMODESENSE},
593 	{{T_DIRECT, T_REMOV,
594 	 "IOMEGA", "ZIP 100",		 "J.03"}, SDEV_NOMODESENSE|SDEV_NOLUNS},
595 	/* Letting the motor run kills floppy drives and disks quite fast. */
596 	{{T_DIRECT, T_REMOV,
597 	 "TEAC", "FC-1",		 ""},	  SDEV_NOSTARTUNIT},
598 
599 	{{T_DIRECT, T_REMOV,
600 	 "Y-E DATA", "USB-FDU",		 "3.04"}, SDEV_NOMODESENSE},
601 	{{T_DIRECT, T_REMOV,
602 	 "TEAC", "FD-05PUB",		 "1026"}, SDEV_NOMODESENSE},
603 
604 	/* XXX: QIC-36 tape behind Emulex adapter.  Very broken. */
605 	{{T_SEQUENTIAL, T_REMOV,
606 	 "        ", "                ", "    "}, SDEV_NOLUNS},
607 	{{T_SEQUENTIAL, T_REMOV,
608 	 "CALIPER ", "CP150           ", ""},     SDEV_NOLUNS},
609 	{{T_SEQUENTIAL, T_REMOV,
610 	 "EXABYTE ", "EXB-8200        ", ""},     SDEV_NOLUNS},
611 	{{T_SEQUENTIAL, T_REMOV,
612 	 "SONY    ", "GY-10C          ", ""},     SDEV_NOLUNS},
613 	{{T_SEQUENTIAL, T_REMOV,
614 	 "SONY    ", "SDT-2000        ", "2.09"}, SDEV_NOLUNS},
615 	{{T_SEQUENTIAL, T_REMOV,
616 	 "SONY    ", "SDT-5000        ", "3."},   SDEV_NOSYNC|SDEV_NOWIDE},
617 	{{T_SEQUENTIAL, T_REMOV,
618 	 "SONY    ", "SDT-5200        ", "3."},   SDEV_NOLUNS},
619 	{{T_SEQUENTIAL, T_REMOV,
620 	 "TANDBERG", " TDC 3600       ", ""},     SDEV_NOLUNS},
621 	/* Following entry reported as a Tandberg 3600; ref. PR1933 */
622 	{{T_SEQUENTIAL, T_REMOV,
623 	 "ARCHIVE ", "VIPER 150  21247", ""},     SDEV_NOLUNS},
624 	/* Following entry for a Cipher ST150S; ref. PR4171 */
625 	{{T_SEQUENTIAL, T_REMOV,
626 	 "ARCHIVE ", "VIPER 1500 21247", "2.2G"}, SDEV_NOLUNS},
627 	{{T_SEQUENTIAL, T_REMOV,
628 	 "ARCHIVE ", "Python 28454-XXX", ""},     SDEV_NOLUNS},
629 	{{T_SEQUENTIAL, T_REMOV,
630 	 "WANGTEK ", "5099ES SCSI",      ""},     SDEV_NOLUNS},
631 	{{T_SEQUENTIAL, T_REMOV,
632 	 "WANGTEK ", "5150ES SCSI",      ""},     SDEV_NOLUNS},
633 	{{T_SEQUENTIAL, T_REMOV,
634 	 "WANGTEK ", "SCSI-36",		 ""},     SDEV_NOLUNS},
635 	{{T_SEQUENTIAL, T_REMOV,
636 	 "WangDAT ", "Model 1300      ", "02.4"}, SDEV_NOSYNC|SDEV_NOWIDE},
637 	{{T_SEQUENTIAL, T_REMOV,
638 	 "WangDAT ", "Model 2600      ", "01.7"}, SDEV_NOSYNC|SDEV_NOWIDE},
639 	{{T_SEQUENTIAL, T_REMOV,
640 	 "WangDAT ", "Model 3200      ", "02.2"}, SDEV_NOSYNC|SDEV_NOWIDE},
641 	{{T_SEQUENTIAL, T_REMOV,
642 	 "TEAC    ", "MT-2ST/N50      ", ""},     SDEV_NOLUNS},
643 
644 	{{T_SCANNER, T_FIXED,
645 	 "RICOH   ", "IS60            ", "1R08"}, SDEV_NOLUNS},
646 	{{T_SCANNER, T_FIXED,
647 	 "UMAX    ", "Astra 1200S     ", "V2.9"}, SDEV_NOLUNS},
648 	{{T_SCANNER, T_FIXED,
649 	 "UMAX    ", "Astra 1220S     ", ""}, SDEV_NOLUNS},
650 	{{T_SCANNER, T_FIXED,
651 	 "UMAX    ", "UMAX S-6E       ", "V2.0"}, SDEV_NOLUNS},
652 	{{T_SCANNER, T_FIXED,
653 	 "UMAX    ", "UMAX S-12       ", "V2.1"}, SDEV_NOLUNS},
654 	{{T_SCANNER, T_FIXED,
655 	 "ULTIMA  ", "A6000C          ", ""}, SDEV_NOLUNS},
656 
657 	{{T_PROCESSOR, T_FIXED,
658 	 "LITRONIC", "PCMCIA          ", ""},     SDEV_NOLUNS},
659 
660 	{{T_CHANGER, T_REMOV,
661 	 "SONY    ", "CDL1100         ", ""},     SDEV_NOLUNS},
662 
663 	{{T_ENCLOSURE, T_FIXED,
664 	 "SUN     ", "SENA            ", ""},     SDEV_NOLUNS},
665 };
666 
667 /*
668  * given a target and lun, ask the device what
669  * it is, and find the correct driver table
670  * entry.
671  */
672 int
673 scsi_probedev(scsi, target, lun)
674 	struct scsibus_softc *scsi;
675 	int target, lun;
676 {
677 	struct scsipi_link *sc_link;
678 	struct scsipi_inquiry_data inqbuf;
679 	struct scsi_quirk_inquiry_pattern *finger;
680 	int checkdtype, priority, docontinue;
681 	struct scsipibus_attach_args sa;
682 	struct cfdata *cf;
683 
684 	/*
685 	 * Assume no more luns to search after this one.
686 	 * If we successfully get Inquiry data and after
687 	 * merging quirks we find we can probe for more
688 	 * luns, we will.
689 	 */
690 	docontinue = 0;
691 
692 	/* Skip this slot if it is already attached. */
693 	if (scsi->sc_link[target][lun] != NULL)
694 		return (docontinue);
695 
696 	sc_link = malloc(sizeof(*sc_link), M_DEVBUF, M_NOWAIT);
697 	*sc_link = *scsi->adapter_link;
698 	sc_link->active = 0;
699 	sc_link->scsipi_scsi.target = target;
700 	sc_link->scsipi_scsi.lun = lun;
701 	sc_link->device = &probe_switch;
702 	TAILQ_INIT(&sc_link->pending_xfers);
703 
704 	/*
705 	 * Ask the device what it is
706 	 */
707 #if defined(SCSIDEBUG) && DEBUGTYPE == BUS_SCSI
708 	if (target == DEBUGTARGET && lun == DEBUGLUN)
709 		sc_link->flags |= DEBUGLEVEL;
710 #endif /* SCSIDEBUG */
711 
712 	(void) scsipi_test_unit_ready(sc_link,
713 	    XS_CTL_DISCOVERY | XS_CTL_IGNORE_ILLEGAL_REQUEST |
714 	    XS_CTL_IGNORE_NOT_READY | XS_CTL_IGNORE_MEDIA_CHANGE);
715 
716 #ifdef SCSI_2_DEF
717 	/* some devices need to be told to go to SCSI2 */
718 	/* However some just explode if you tell them this.. leave it out */
719 	scsi_change_def(sc_link, XS_CTL_DISCOVERY | XS_CTL_SILENT);
720 #endif /* SCSI_2_DEF */
721 
722 	/* Now go ask the device all about itself. */
723 	bzero(&inqbuf, sizeof(inqbuf));
724 	if (scsipi_inquire(sc_link, &inqbuf,
725 	    XS_CTL_DISCOVERY | XS_CTL_DATA_ONSTACK) != 0)
726 		goto bad;
727 
728 	{
729 		u_int8_t *extension = &inqbuf.flags1;
730 		int len = inqbuf.additional_length;
731 		while (len < 3)
732 			extension[len++] = '\0';
733 		while (len < 3 + 28)
734 			extension[len++] = ' ';
735 		while (len < 3 + 28 + 20)
736 			extension[len++] = '\0';
737 		while (len < 3 + 28 + 20 + 1)
738 			extension[len++] = '\0';
739 		while (len < 3 + 28 + 20 + 1 + 1)
740 			extension[len++] = '\0';
741 		while (len < 3 + 28 + 20 + 1 + 1 + (8*2))
742 			extension[len++] = ' ';
743 	}
744 
745 	sa.sa_sc_link = sc_link;
746 	sa.sa_inqbuf.type = inqbuf.device;
747 	sa.sa_inqbuf.removable = inqbuf.dev_qual2 & SID_REMOVABLE ?
748 	    T_REMOV : T_FIXED;
749 	sa.sa_inqbuf.vendor = inqbuf.vendor;
750 	sa.sa_inqbuf.product = inqbuf.product;
751 	sa.sa_inqbuf.revision = inqbuf.revision;
752 	sa.scsipi_info.scsi_version = inqbuf.version;
753 	sa.sa_inqptr = &inqbuf;
754 
755 	finger = (struct scsi_quirk_inquiry_pattern *)scsipi_inqmatch(
756 	    &sa.sa_inqbuf, (caddr_t)scsi_quirk_patterns,
757 	    sizeof(scsi_quirk_patterns)/sizeof(scsi_quirk_patterns[0]),
758 	    sizeof(scsi_quirk_patterns[0]), &priority);
759 
760 	/*
761 	 * Based upon the inquiry flags we got back, and if we're
762 	 * at SCSI-2 or better, set some limiting quirks.
763 	 */
764 	if ((inqbuf.version & SID_ANSII) >= 2) {
765 		if ((inqbuf.flags3 & SID_CmdQue) == 0)
766 			sc_link->quirks |= SDEV_NOTAG;
767 		if ((inqbuf.flags3 & SID_Sync) == 0)
768 			sc_link->quirks |= SDEV_NOSYNC;
769 		if ((inqbuf.flags3 & SID_WBus16) == 0)
770 			sc_link->quirks |= SDEV_NOWIDE;
771 	}
772 	/*
773 	 * Now apply any quirks from the table.
774 	 */
775 	if (priority != 0)
776 		sc_link->quirks |= finger->quirks;
777 	if ((inqbuf.version & SID_ANSII) == 0 &&
778 	    (sc_link->quirks & SDEV_FORCELUNS) == 0)
779 		sc_link->quirks |= SDEV_NOLUNS;
780 	sc_link->scsipi_scsi.scsi_version = inqbuf.version;
781 
782 	if (sc_link->quirks & SDEV_CDROM) {
783 		sc_link->quirks ^= SDEV_CDROM;
784 		inqbuf.dev_qual2 |= SID_REMOVABLE;
785 		sa.sa_inqbuf.type = inqbuf.device = ((inqbuf.device & ~SID_REMOVABLE) | T_CDROM);
786 		sa.sa_inqbuf.removable = T_REMOV;
787 
788 	}
789 
790 	if ((sc_link->quirks & SDEV_NOLUNS) == 0)
791 		docontinue = 1;
792 
793 	/*
794 	 * note what BASIC type of device it is
795 	 */
796 	if ((inqbuf.dev_qual2 & SID_REMOVABLE) != 0)
797 		sc_link->flags |= SDEV_REMOVABLE;
798 
799 	/*
800 	 * Any device qualifier that has the top bit set (qualifier&4 != 0)
801 	 * is vendor specific and won't match in this switch.
802 	 * All we do here is throw out bad/negative responses.
803 	 */
804 	checkdtype = 0;
805 	switch (inqbuf.device & SID_QUAL) {
806 	case SID_QUAL_LU_OK:
807 	case SID_QUAL_LU_OFFLINE:
808 		checkdtype = 1;
809 		break;
810 
811 	case SID_QUAL_RSVD:
812 	case SID_QUAL_BAD_LU:
813 		goto bad;
814 
815 	default:
816 		break;
817 	}
818 	if (checkdtype)
819 		switch (inqbuf.device & SID_TYPE) {
820 		case T_DIRECT:
821 		case T_SEQUENTIAL:
822 		case T_PRINTER:
823 		case T_PROCESSOR:
824 		case T_WORM:
825 		case T_CDROM:
826 		case T_SCANNER:
827 		case T_OPTICAL:
828 		case T_CHANGER:
829 		case T_COMM:
830 		case T_IT8_1:
831 		case T_IT8_2:
832 		case T_STORARRAY:
833 		case T_ENCLOSURE:
834 		case T_SIMPLE_DIRECT:
835 		case T_OPTIC_CARD_RW:
836 		case T_OBJECT_STORED:
837 		default:
838 			break;
839 		case T_NODEVICE:
840 			goto bad;
841 		}
842 
843 	if ((cf = config_search(scsibussubmatch, (struct device *)scsi,
844 	    &sa)) != NULL) {
845 		scsi->sc_link[target][lun] = sc_link;
846 		config_attach((struct device *)scsi, cf, &sa, scsibusprint);
847 	} else {
848 		scsibusprint(&sa, scsi->sc_dev.dv_xname);
849 		printf(" not configured\n");
850 		goto bad;
851 	}
852 
853 	return (docontinue);
854 
855 bad:
856 	free(sc_link, M_DEVBUF);
857 	return (docontinue);
858 }
859 
860 /****** Entry points for user control of the SCSI bus. ******/
861 
862 int
863 scsibusopen(dev, flag, fmt, p)
864 	dev_t dev;
865 	int flag, fmt;
866 	struct proc *p;
867 {
868 	struct scsibus_softc *sc;
869 	int error, unit = minor(dev);
870 
871 	if (unit >= scsibus_cd.cd_ndevs ||
872 	    (sc = scsibus_cd.cd_devs[unit]) == NULL)
873 		return (ENXIO);
874 
875 	if (sc->sc_flags & SCSIBUSF_OPEN)
876 		return (EBUSY);
877 
878 	if ((error = scsipi_adapter_addref(sc->adapter_link)) != 0)
879 		return (error);
880 
881 	sc->sc_flags |= SCSIBUSF_OPEN;
882 
883 	return (0);
884 }
885 
886 int
887 scsibusclose(dev, flag, fmt, p)
888 	dev_t dev;
889 	int flag, fmt;
890 	struct proc *p;
891 {
892 	struct scsibus_softc *sc = scsibus_cd.cd_devs[minor(dev)];
893 
894 	scsipi_adapter_delref(sc->adapter_link);
895 
896 	sc->sc_flags &= ~SCSIBUSF_OPEN;
897 
898 	return (0);
899 }
900 
901 int
902 scsibusioctl(dev, cmd, addr, flag, p)
903 	dev_t dev;
904 	u_long cmd;
905 	caddr_t addr;
906 	int flag;
907 	struct proc *p;
908 {
909 	struct scsibus_softc *sc = scsibus_cd.cd_devs[minor(dev)];
910 	struct scsipi_link *sc_link = sc->adapter_link;
911 	int error;
912 
913 	/*
914 	 * Enforce write permission for ioctls that change the
915 	 * state of the bus.  Host adapter specific ioctls must
916 	 * be checked by the adapter driver.
917 	 */
918 	switch (cmd) {
919 	case SCBUSIOSCAN:
920 	case SCBUSIORESET:
921 		if ((flag & FWRITE) == 0)
922 			return (EBADF);
923 	}
924 
925 	switch (cmd) {
926 	case SCBUSIOSCAN:
927 	    {
928 		struct scbusioscan_args *a =
929 		    (struct scbusioscan_args *)addr;
930 
931 		/* XXX Change interface to this function. */
932 		error = scsi_probe_busses(minor(dev), a->sa_target,
933 		    a->sa_lun);
934 		break;
935 	    }
936 
937 	case SCBUSIORESET:
938 		/* FALLTHROUGH */
939 	default:
940 		if (sc_link->adapter->scsipi_ioctl == NULL)
941 			error = ENOTTY;
942 		else
943 			error = (*sc_link->adapter->scsipi_ioctl)(sc_link,
944 			    cmd, addr, flag, p);
945 		break;
946 	}
947 
948 	return (error);
949 }
950