xref: /netbsd-src/sys/dev/scsipi/scsiconf.c (revision 04e61f8526dc919e1c004e02c39dea35e7c0f042)
1 /*	$NetBSD: scsiconf.c,v 1.183 2002/05/05 06:01:28 thorpej Exp $	*/
2 
3 /*-
4  * Copyright (c) 1998, 1999 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/cdefs.h>
58 __KERNEL_RCSID(0, "$NetBSD: scsiconf.c,v 1.183 2002/05/05 06:01:28 thorpej Exp $");
59 
60 #include <sys/param.h>
61 #include <sys/systm.h>
62 #include <sys/kernel.h>
63 #include <sys/proc.h>
64 #include <sys/kthread.h>
65 #include <sys/malloc.h>
66 #include <sys/device.h>
67 #include <sys/conf.h>
68 #include <sys/fcntl.h>
69 #include <sys/scsiio.h>
70 
71 #include <dev/scsipi/scsi_all.h>
72 #include <dev/scsipi/scsipi_all.h>
73 #include <dev/scsipi/scsiconf.h>
74 
75 #include "locators.h"
76 
77 const struct scsipi_periphsw scsi_probe_dev = {
78 	NULL,
79 	NULL,
80 	NULL,
81 	NULL,
82 };
83 
84 int	scsi_probe_device __P((struct scsibus_softc *, int, int));
85 
86 int	scsibusmatch __P((struct device *, struct cfdata *, void *));
87 void	scsibusattach __P((struct device *, struct device *, void *));
88 int	scsibusactivate __P((struct device *, enum devact));
89 int	scsibusdetach __P((struct device *, int flags));
90 
91 int	scsibussubmatch __P((struct device *, struct cfdata *, void *));
92 
93 struct cfattach scsibus_ca = {
94 	sizeof(struct scsibus_softc), scsibusmatch, scsibusattach,
95 	    scsibusdetach, scsibusactivate,
96 };
97 
98 extern struct cfdriver scsibus_cd;
99 
100 int	scsibusprint __P((void *, const char *));
101 void	scsibus_config_interrupts __P((struct device *));
102 
103 cdev_decl(scsibus);
104 
105 const struct scsipi_bustype scsi_bustype = {
106 	SCSIPI_BUSTYPE_SCSI,
107 	scsi_scsipi_cmd,
108 	scsipi_interpret_sense,
109 	scsi_print_addr,
110 	scsi_kill_pending,
111 };
112 
113 int
114 scsiprint(aux, pnp)
115 	void *aux;
116 	const char *pnp;
117 {
118 	struct scsipi_channel *chan = aux;
119 	struct scsipi_adapter *adapt = chan->chan_adapter;
120 
121 	/* only "scsibus"es can attach to "scsi"s; easy. */
122 	if (pnp)
123 		printf("scsibus at %s", pnp);
124 
125 	/* don't print channel if the controller says there can be only one. */
126 	if (adapt->adapt_nchannels != 1)
127 		printf(" channel %d", chan->chan_channel);
128 
129 	return (UNCONF);
130 }
131 
132 int
133 scsibusmatch(parent, cf, aux)
134 	struct device *parent;
135 	struct cfdata *cf;
136 	void *aux;
137 {
138 	struct scsipi_channel *chan = aux;
139 
140 	if (chan->chan_bustype->bustype_type != SCSIPI_BUSTYPE_SCSI)
141 		return 0;
142 
143 	if (cf->cf_loc[SCSICF_CHANNEL] != chan->chan_channel &&
144 	    cf->cf_loc[SCSICF_CHANNEL] != SCSICF_CHANNEL_DEFAULT)
145 		return (0);
146 
147 	return (1);
148 }
149 
150 void
151 scsibusattach(parent, self, aux)
152 	struct device *parent, *self;
153 	void *aux;
154 {
155 	struct scsibus_softc *sc = (void *) self;
156 	struct scsipi_channel *chan = aux;
157 
158 	sc->sc_channel = chan;
159 	chan->chan_name = sc->sc_dev.dv_xname;
160 
161 	/* Initialize the channel structure first */
162 	if (scsipi_channel_init(chan)) {
163 		printf(": failed to init channel\n");
164 		return;
165 	}
166 
167 	printf(": %d targets, %d luns per target\n",
168 	    chan->chan_ntargets, chan->chan_nluns);
169 
170 
171 	/*
172 	 * Defer configuration of the children until interrupts
173 	 * are enabled.
174 	 */
175 	config_interrupts(self, scsibus_config_interrupts);
176 }
177 
178 void
179 scsibus_config_interrupts(self)
180 	struct device *self;
181 {
182 	struct scsibus_softc *sc = (void *) self;
183 
184 #ifndef SCSI_DELAY
185 #define SCSI_DELAY 2
186 #endif
187 
188 	if ((sc->sc_channel->chan_flags & SCSIPI_CHAN_NOSETTLE) == 0 &&
189 	    SCSI_DELAY > 0) {
190 		printf("%s: waiting %d seconds for devices to settle...\n",
191 		    self->dv_xname, SCSI_DELAY);
192 		/* ...an identifier we know no one will use... */
193 		(void) tsleep(scsibus_config_interrupts, PRIBIO,
194 		    "scsidly", SCSI_DELAY * hz);
195 	}
196 
197 	scsi_probe_bus(sc, -1, -1);
198 }
199 
200 int
201 scsibussubmatch(parent, cf, aux)
202 	struct device *parent;
203 	struct cfdata *cf;
204 	void *aux;
205 {
206 	struct scsipibus_attach_args *sa = aux;
207 	struct scsipi_periph *periph = sa->sa_periph;
208 
209 	if (cf->cf_loc[SCSIBUSCF_TARGET] != SCSIBUSCF_TARGET_DEFAULT &&
210 	    cf->cf_loc[SCSIBUSCF_TARGET] != periph->periph_target)
211 		return (0);
212 	if (cf->cf_loc[SCSIBUSCF_LUN] != SCSIBUSCF_LUN_DEFAULT &&
213 	    cf->cf_loc[SCSIBUSCF_LUN] != periph->periph_lun)
214 		return (0);
215 	return ((*cf->cf_attach->ca_match)(parent, cf, aux));
216 }
217 
218 int
219 scsibusactivate(self, act)
220 	struct device *self;
221 	enum devact act;
222 {
223 	struct scsibus_softc *sc = (void *) self;
224 	struct scsipi_channel *chan = sc->sc_channel;
225 	struct scsipi_periph *periph;
226 	int target, lun, error = 0, s;
227 
228 	s = splbio();
229 	switch (act) {
230 	case DVACT_ACTIVATE:
231 		error = EOPNOTSUPP;
232 		break;
233 
234 	case DVACT_DEACTIVATE:
235 		for (target = 0; target < chan->chan_ntargets;
236 		     target++) {
237 			if (target == chan->chan_id)
238 				continue;
239 			for (lun = 0; lun < chan->chan_nluns; lun++) {
240 				periph = scsipi_lookup_periph(chan,
241 				    target, lun);
242 				if (periph == NULL)
243 					continue;
244 				error = config_deactivate(periph->periph_dev);
245 				if (error)
246 					goto out;
247 			}
248 		}
249 		break;
250 	}
251  out:
252 	splx(s);
253 	return (error);
254 }
255 
256 int
257 scsibusdetach(self, flags)
258 	struct device *self;
259 	int flags;
260 {
261 	struct scsibus_softc *sc = (void *) self;
262 	struct scsipi_channel *chan = sc->sc_channel;
263 
264 	/*
265 	 * Shut down the channel.
266 	 */
267 	scsipi_channel_shutdown(chan);
268 
269 	/*
270 	 * Now detach all of the periphs.
271 	 */
272 	return scsipi_target_detach(chan, -1, -1, flags);
273 }
274 
275 /*
276  * Probe the requested scsi bus. It must be already set up.
277  * target and lun optionally narrow the search if not -1
278  */
279 int
280 scsi_probe_bus(sc, target, lun)
281 	struct scsibus_softc *sc;
282 	int target, lun;
283 {
284 	struct scsipi_channel *chan = sc->sc_channel;
285 	int maxtarget, mintarget, maxlun, minlun;
286 	int error;
287 
288 	if (target == -1) {
289 		maxtarget = chan->chan_ntargets - 1;
290 		mintarget = 0;
291 	} else {
292 		if (target < 0 || target >= chan->chan_ntargets)
293 			return (EINVAL);
294 		maxtarget = mintarget = target;
295 	}
296 
297 	if (lun == -1) {
298 		maxlun = chan->chan_nluns - 1;
299 		minlun = 0;
300 	} else {
301 		if (lun < 0 || lun >= chan->chan_nluns)
302 			return (EINVAL);
303 		maxlun = minlun = lun;
304 	}
305 
306 	/*
307 	 * Some HBAs provide an abstracted view of the bus; give them an
308 	 * oppertunity to re-scan it before we do.
309 	 */
310 	if (chan->chan_adapter->adapt_ioctl != NULL)
311 		(*chan->chan_adapter->adapt_ioctl)(chan, SCBUSIOLLSCAN, NULL,
312 		    0, curproc);
313 
314 	if ((error = scsipi_adapter_addref(chan->chan_adapter)) != 0)
315 		return (error);
316 	for (target = mintarget; target <= maxtarget; target++) {
317 		if (target == chan->chan_id)
318 			continue;
319 		for (lun = minlun; lun <= maxlun; lun++) {
320 			/*
321 			 * See if there's a device present, and configure it.
322 			 */
323 			if (scsi_probe_device(sc, target, lun) == 0)
324 				break;
325 			/* otherwise something says we should look further */
326 		}
327 
328 		/*
329 		 * Now that we've discovered all of the LUNs on this
330 		 * I_T Nexus, update the xfer mode for all of them
331 		 * that we know about.
332 		 */
333 		scsipi_set_xfer_mode(chan, target, 1);
334 	}
335 	scsipi_adapter_delref(chan->chan_adapter);
336 	return (0);
337 }
338 
339 /*
340  * Print out autoconfiguration information for a subdevice.
341  *
342  * This is a slight abuse of 'standard' autoconfiguration semantics,
343  * because 'print' functions don't normally print the colon and
344  * device information.  However, in this case that's better than
345  * either printing redundant information before the attach message,
346  * or having the device driver call a special function to print out
347  * the standard device information.
348  */
349 int
350 scsibusprint(aux, pnp)
351 	void *aux;
352 	const char *pnp;
353 {
354 	struct scsipibus_attach_args *sa = aux;
355 	struct scsipi_inquiry_pattern *inqbuf;
356 	u_int8_t type;
357 	const char *dtype, *qtype;
358 	char vendor[33], product[65], revision[17];
359 	int target, lun;
360 
361 	if (pnp != NULL)
362 		printf("%s", pnp);
363 
364 	inqbuf = &sa->sa_inqbuf;
365 
366 	target = sa->sa_periph->periph_target;
367 	lun = sa->sa_periph->periph_lun;
368 	type = inqbuf->type & SID_TYPE;
369 
370 	/*
371 	 * Figure out basic device type and qualifier.
372 	 */
373 	dtype = 0;
374 	switch (inqbuf->type & SID_QUAL) {
375 	case SID_QUAL_LU_PRESENT:
376 		qtype = "";
377 		break;
378 
379 	case SID_QUAL_LU_NOTPRESENT:
380 		qtype = " offline";
381 		break;
382 
383 	case SID_QUAL_reserved:
384 	case SID_QUAL_LU_NOT_SUPP:
385 		panic("scsibusprint: impossible qualifier");
386 
387 	default:
388 		qtype = "";
389 		dtype = "vendor-unique";
390 		break;
391 	}
392 	if (dtype == NULL)
393 		dtype = scsipi_dtype(type);
394 
395 	scsipi_strvis(vendor, 33, inqbuf->vendor, 8);
396 	scsipi_strvis(product, 65, inqbuf->product, 16);
397 	scsipi_strvis(revision, 17, inqbuf->revision, 4);
398 
399 	printf(" target %d lun %d: <%s, %s, %s> SCSI%d %d/%s %s%s",
400 	    target, lun, vendor, product, revision,
401 	    sa->scsipi_info.scsi_version & SID_ANSII, type, dtype,
402 	    inqbuf->removable ? "removable" : "fixed", qtype);
403 
404 	return (UNCONF);
405 }
406 
407 const struct scsi_quirk_inquiry_pattern scsi_quirk_patterns[] = {
408 	{{T_CDROM, T_REMOV,
409 	 "CHINON  ", "CD-ROM CDS-431  ", ""},     PQUIRK_NOLUNS},
410 	{{T_CDROM, T_REMOV,
411 	 "Chinon  ", "CD-ROM CDS-525  ", ""},     PQUIRK_NOLUNS},
412 	{{T_CDROM, T_REMOV,
413 	 "CHINON  ", "CD-ROM CDS-535  ", ""},     PQUIRK_NOLUNS},
414 	{{T_CDROM, T_REMOV,
415 	 "DEC     ", "RRD42   (C) DEC ", ""},     PQUIRK_NOLUNS},
416 	{{T_CDROM, T_REMOV,
417 	 "DENON   ", "DRD-25X         ", "V"},    PQUIRK_NOLUNS},
418 	{{T_CDROM, T_REMOV,
419 	 "GENERIC ", "CRD-BP2         ", ""},     PQUIRK_NOLUNS},
420 	{{T_CDROM, T_REMOV,
421 	 "HP      ", "C4324/C4325     ", ""},     PQUIRK_NOLUNS},
422 	{{T_CDROM, T_REMOV,
423 	 "IMS     ", "CDD521/10       ", "2.06"}, PQUIRK_NOLUNS},
424 	{{T_CDROM, T_REMOV,
425 	 "MATSHITA", "CD-ROM CR-5XX   ", "1.0b"}, PQUIRK_NOLUNS},
426 	{{T_CDROM, T_REMOV,
427 	 "MEDAVIS ", "RENO CD-ROMX2A  ", ""},     PQUIRK_NOLUNS},
428 	{{T_CDROM, T_REMOV,
429 	 "MEDIAVIS", "CDR-H93MV       ", "1.3"},  PQUIRK_NOLUNS},
430 	{{T_CDROM, T_REMOV,
431 	 "NEC     ", "CD-ROM DRIVE:55 ", ""},     PQUIRK_NOLUNS},
432 	{{T_CDROM, T_REMOV,
433 	 "NEC     ", "CD-ROM DRIVE:83 ", ""},     PQUIRK_NOLUNS},
434 	{{T_CDROM, T_REMOV,
435 	 "NEC     ", "CD-ROM DRIVE:84 ", ""},     PQUIRK_NOLUNS},
436 	{{T_CDROM, T_REMOV,
437 	 "NEC     ", "CD-ROM DRIVE:841", ""},     PQUIRK_NOLUNS},
438 	{{T_CDROM, T_REMOV,
439 	 "PIONEER ", "CD-ROM DR-124X  ", "1.01"}, PQUIRK_NOLUNS},
440 	{{T_CDROM, T_REMOV,
441 	 "SONY    ", "CD-ROM CDU-541  ", ""},     PQUIRK_NOLUNS},
442 	{{T_CDROM, T_REMOV,
443 	 "SONY    ", "CD-ROM CDU-55S  ", ""},     PQUIRK_NOLUNS},
444 	{{T_CDROM, T_REMOV,
445 	 "SONY    ", "CD-ROM CDU-561  ", ""},     PQUIRK_NOLUNS},
446 	{{T_CDROM, T_REMOV,
447 	 "SONY    ", "CD-ROM CDU-8003A", ""},     PQUIRK_NOLUNS},
448 	{{T_CDROM, T_REMOV,
449 	 "SONY    ", "CD-ROM CDU-8012 ", ""},     PQUIRK_NOLUNS},
450 	{{T_CDROM, T_REMOV,
451 	 "TEAC    ", "CD-ROM          ", "1.06"}, PQUIRK_NOLUNS},
452 	{{T_CDROM, T_REMOV,
453 	 "TEAC    ", "CD-ROM CD-56S   ", "1.0B"}, PQUIRK_NOLUNS},
454 	{{T_CDROM, T_REMOV,
455 	 "TEXEL   ", "CD-ROM          ", "1.06"}, PQUIRK_NOLUNS},
456 	{{T_CDROM, T_REMOV,
457 	 "TEXEL   ", "CD-ROM DM-XX24 K", "1.09"}, PQUIRK_NOLUNS},
458 	{{T_CDROM, T_REMOV,
459 	 "TEXEL   ", "CD-ROM DM-XX24 K", "1.10"}, PQUIRK_NOLUNS},
460 	{{T_CDROM, T_REMOV,
461 	 "TOSHIBA ", "XM-4101TASUNSLCD", "1755"}, PQUIRK_NOLUNS|PQUIRK_NOSYNC},
462 	/* "IBM CDRM00201     !F" 0724 is an IBM OEM Toshiba XM-4101BME */
463 	{{T_CDROM, T_REMOV,
464 	 "IBM     ", "CDRM00201     !F", "0724"}, PQUIRK_NOLUNS|PQUIRK_NOSYNC},
465 	{{T_CDROM, T_REMOV,
466 	 "ShinaKen", "CD-ROM DM-3x1S",   "1.04"}, PQUIRK_NOLUNS},
467 	{{T_CDROM, T_REMOV,
468 	 "JVC     ", "R2626",            ""},     PQUIRK_NOLUNS},
469 	{{T_CDROM, T_REMOV,
470 	 "YAMAHA", "CRW8424S",           ""},     PQUIRK_NOLUNS},
471 	{{T_CDROM, T_REMOV,
472 	 "VMware", "Virtual",            "1.0"},
473 				PQUIRK_NOSTARTUNIT|PQUIRK_NODOORLOCK},
474 
475 	{{T_DIRECT, T_FIXED,
476 	 "MICROP  ", "1588-15MBSUN0669", ""},     PQUIRK_AUTOSAVE},
477 	{{T_DIRECT, T_FIXED,
478 	 "MICROP  ", "2217-15MQ1091501", ""},     PQUIRK_NOSYNCCACHE},
479 	{{T_OPTICAL, T_REMOV,
480 	 "EPSON   ", "OMD-5010        ", "3.08"}, PQUIRK_NOLUNS},
481 	{{T_DIRECT, T_FIXED,
482 	 "TOSHIBA ","CD-ROM XM-3401TA",  "0283"}, PQUIRK_CDROM|PQUIRK_NOLUNS},
483 	{{T_DIRECT, T_FIXED,
484 	 "TOSHIBA ", "CD-ROM DRIVE:XM",  "1971"}, PQUIRK_CDROM|PQUIRK_NOLUNS},
485 	{{T_DIRECT, T_FIXED,
486 	 "ADAPTEC ", "AEC-4412BD",       "1.2A"}, PQUIRK_NOMODESENSE},
487 	{{T_DIRECT, T_FIXED,
488 	 "ADAPTEC ", "ACB-4000",         ""},     PQUIRK_FORCELUNS|PQUIRK_AUTOSAVE|PQUIRK_NOMODESENSE},
489 	{{T_DIRECT, T_FIXED,
490 	 "DEC     ", "RZ55     (C) DEC", ""},     PQUIRK_AUTOSAVE},
491 	{{T_DIRECT, T_FIXED,
492 	 "EMULEX  ", "MD21/S2     ESDI", "A00"},
493 				PQUIRK_FORCELUNS|PQUIRK_AUTOSAVE},
494 	/* Gives non-media hardware failure in response to start-unit command */
495 	{{T_DIRECT, T_FIXED,
496 	 "HITACHI", "DK515C",            "CP16"}, PQUIRK_NOSTARTUNIT},
497 	{{T_DIRECT, T_FIXED,
498 	 "HITACHI", "DK515C",            "CP15"}, PQUIRK_NOSTARTUNIT},
499 	{{T_DIRECT, T_FIXED,
500 	 "MICROP",  "1548-15MZ1077801",  "HZ2P"}, PQUIRK_NOTAG},
501 	{{T_DIRECT, T_FIXED,
502 	 "HP      ", "C372",             ""},     PQUIRK_NOTAG},
503 	{{T_DIRECT, T_FIXED,
504 	 "IBMRAID ", "0662S",		 ""},     PQUIRK_AUTOSAVE},
505 	{{T_DIRECT, T_FIXED,
506 	 "IBM     ", "0663H",		 ""},     PQUIRK_AUTOSAVE},
507 	{{T_DIRECT, T_FIXED,
508 	 "IBM",	     "0664",		 ""},     PQUIRK_AUTOSAVE},
509 	{{T_DIRECT, T_FIXED,
510 	 "IBM     ", "H3171-S2",	 ""},
511 				PQUIRK_NOLUNS|PQUIRK_AUTOSAVE},
512 	{{T_DIRECT, T_FIXED,
513 	 "IBM     ", "KZ-C",		 ""},	  PQUIRK_AUTOSAVE},
514 	/* Broken IBM disk */
515 	{{T_DIRECT, T_FIXED,
516 	 ""	   , "DFRSS2F",		 ""},	  PQUIRK_AUTOSAVE},
517 	{{T_DIRECT, T_REMOV,
518 	 "MPL     ", "MC-DISK-        ", ""},     PQUIRK_NOLUNS},
519 	{{T_DIRECT, T_FIXED,
520 	 "MAXTOR  ", "XT-3280         ", ""},     PQUIRK_NOLUNS},
521 	{{T_DIRECT, T_FIXED,
522 	 "MAXTOR  ", "XT-4380S        ", ""},     PQUIRK_NOLUNS},
523 	{{T_DIRECT, T_FIXED,
524 	 "MAXTOR  ", "MXT-1240S       ", ""},     PQUIRK_NOLUNS},
525 	{{T_DIRECT, T_FIXED,
526 	 "MAXTOR  ", "XT-4170S        ", ""},     PQUIRK_NOLUNS},
527 	{{T_DIRECT, T_FIXED,
528 	 "MAXTOR  ", "XT-8760S",         ""},     PQUIRK_NOLUNS},
529 	{{T_DIRECT, T_FIXED,
530 	 "MAXTOR  ", "LXT-213S        ", ""},     PQUIRK_NOLUNS},
531 	{{T_DIRECT, T_FIXED,
532 	 "MAXTOR  ", "LXT-213S SUN0207", ""},     PQUIRK_NOLUNS},
533 	{{T_DIRECT, T_FIXED,
534 	 "MAXTOR  ", "LXT-200S        ", ""},     PQUIRK_NOLUNS},
535 	{{T_DIRECT, T_FIXED,
536 	 "MEGADRV ", "EV1000",           ""},     PQUIRK_NOMODESENSE},
537 	{{T_DIRECT, T_FIXED,
538 	 "MICROP", "1991-27MZ",          ""},     PQUIRK_NOTAG},
539 	{{T_DIRECT, T_FIXED,
540 	 "MST     ", "SnapLink        ", ""},     PQUIRK_NOLUNS},
541 	{{T_DIRECT, T_FIXED,
542 	 "NEC     ", "D3847           ", "0307"}, PQUIRK_NOLUNS},
543 	{{T_DIRECT, T_FIXED,
544 	 "QUANTUM ", "ELS85S          ", ""},     PQUIRK_AUTOSAVE},
545 	{{T_DIRECT, T_FIXED,
546 	 "QUANTUM ", "LPS525S         ", ""},     PQUIRK_NOLUNS},
547 	{{T_DIRECT, T_FIXED,
548 	 "QUANTUM ", "P105S 910-10-94x", ""},     PQUIRK_NOLUNS},
549 	{{T_DIRECT, T_FIXED,
550 	 "QUANTUM ", "PD1225S         ", ""},     PQUIRK_NOLUNS},
551 	{{T_DIRECT, T_FIXED,
552 	 "QUANTUM ", "PD210S   SUN0207", ""},     PQUIRK_NOLUNS},
553 	{{T_DIRECT, T_FIXED,
554 	 "RODIME  ", "RO3000S         ", ""},     PQUIRK_NOLUNS},
555 	{{T_DIRECT, T_FIXED,
556 	 "SEAGATE ", "ST125N          ", ""},     PQUIRK_NOLUNS},
557 	{{T_DIRECT, T_FIXED,
558 	 "SEAGATE ", "ST157N          ", ""},     PQUIRK_NOLUNS},
559 	{{T_DIRECT, T_FIXED,
560 	 "SEAGATE ", "ST296           ", ""},     PQUIRK_NOLUNS},
561 	{{T_DIRECT, T_FIXED,
562 	 "SEAGATE ", "ST296N          ", ""},     PQUIRK_NOLUNS},
563 	{{T_DIRECT, T_FIXED,
564 	 "SEAGATE ", "ST11200N SUN1.05", ""},     PQUIRK_NOTAG},
565 	{{T_DIRECT, T_FIXED,
566 	 "SEAGATE ", "ST15150N        ", ""},     PQUIRK_NOTAG},
567 	{{T_DIRECT, T_FIXED,
568 	 "SEAGATE ", "ST19171",          ""},     PQUIRK_NOMODESENSE},
569 	{{T_DIRECT, T_FIXED,
570 	 "SEAGATE ", "ST32430N",         ""},     PQUIRK_CAP_SYNC},
571 	{{T_DIRECT, T_FIXED,
572 	 "SEAGATE ", "ST34501FC       ", ""},     PQUIRK_NOMODESENSE},
573 	{{T_DIRECT, T_FIXED,
574 	 "TOSHIBA ", "MK538FB         ", "6027"}, PQUIRK_NOLUNS},
575 	{{T_DIRECT, T_FIXED,
576 	 "VMware", "Virtual",           "1.0"},
577 				PQUIRK_NOSTARTUNIT|PQUIRK_NODOORLOCK},
578 	{{T_DIRECT, T_FIXED,	/* XXX move to umass */
579 	 "Maxtor 4", "D080H4",           "DAH0"}, PQUIRK_NOMODESENSE},
580 	{{T_DIRECT, T_FIXED,	/* XXX move to umass */
581 	 "Maxtor 4", "D040H2",           "DAH0"}, PQUIRK_NOMODESENSE},
582 
583 	{{T_DIRECT, T_REMOV,
584 	 "iomega", "jaz 1GB", 		 ""},	  PQUIRK_NOMODESENSE},
585 	{{T_DIRECT, T_REMOV,
586 	 "IOMEGA", "ZIP 100",		 ""},	  PQUIRK_NOMODESENSE},
587 	{{T_DIRECT, T_REMOV,
588 	 "IOMEGA", "ZIP 100",		 "J.03"},
589 				PQUIRK_NOMODESENSE|PQUIRK_NOLUNS},
590 	/* Letting the motor run kills floppy drives and disks quite fast. */
591 	{{T_DIRECT, T_REMOV,
592 	 "TEAC", "FC-1",		 ""},	  PQUIRK_NOSTARTUNIT},
593 	{{T_DIRECT, T_REMOV,
594 	 "INSITE", "I325VM",             ""},
595 				PQUIRK_NOLUNS|PQUIRK_NODOORLOCK},
596 
597 	/* XXX: QIC-36 tape behind Emulex adapter.  Very broken. */
598 	{{T_SEQUENTIAL, T_REMOV,
599 	 "        ", "                ", "    "}, PQUIRK_NOLUNS},
600 	{{T_SEQUENTIAL, T_REMOV,
601 	 "EMULEX  ", "MT-02 QIC       ", ""},     PQUIRK_NOLUNS},
602 	{{T_SEQUENTIAL, T_REMOV,
603 	 "CALIPER ", "CP150           ", ""},     PQUIRK_NOLUNS},
604 	{{T_SEQUENTIAL, T_REMOV,
605 	 "EXABYTE ", "EXB-8200        ", ""},     PQUIRK_NOLUNS},
606 	{{T_SEQUENTIAL, T_REMOV,
607 	 "SONY    ", "GY-10C          ", ""},     PQUIRK_NOLUNS},
608 	{{T_SEQUENTIAL, T_REMOV,
609 	 "SONY    ", "SDT-2000        ", "2.09"}, PQUIRK_NOLUNS},
610 	{{T_SEQUENTIAL, T_REMOV,
611 	 "SONY    ", "SDT-5000        ", "3."},   PQUIRK_NOSYNC|PQUIRK_NOWIDE},
612 	{{T_SEQUENTIAL, T_REMOV,
613 	 "SONY    ", "SDT-5200        ", "3."},   PQUIRK_NOLUNS},
614 	{{T_SEQUENTIAL, T_REMOV,
615 	 "TANDBERG", " TDC 3600       ", ""},     PQUIRK_NOLUNS},
616 	/* Following entry reported as a Tandberg 3600; ref. PR1933 */
617 	{{T_SEQUENTIAL, T_REMOV,
618 	 "ARCHIVE ", "VIPER 150  21247", ""},     PQUIRK_NOLUNS},
619 	/* Following entry for a Cipher ST150S; ref. PR4171 */
620 	{{T_SEQUENTIAL, T_REMOV,
621 	 "ARCHIVE ", "VIPER 1500 21247", "2.2G"}, PQUIRK_NOLUNS},
622 	{{T_SEQUENTIAL, T_REMOV,
623 	 "ARCHIVE ", "Python 28454-XXX", ""},     PQUIRK_NOLUNS},
624 	{{T_SEQUENTIAL, T_REMOV,
625 	 "WANGTEK ", "5099ES SCSI",      ""},     PQUIRK_NOLUNS},
626 	{{T_SEQUENTIAL, T_REMOV,
627 	 "WANGTEK ", "5150ES SCSI",      ""},     PQUIRK_NOLUNS},
628 	{{T_SEQUENTIAL, T_REMOV,
629 	 "WANGTEK ", "SCSI-36",		 ""},     PQUIRK_NOLUNS},
630 	{{T_SEQUENTIAL, T_REMOV,
631 	 "WangDAT ", "Model 1300      ", "02.4"}, PQUIRK_NOSYNC|PQUIRK_NOWIDE},
632 	{{T_SEQUENTIAL, T_REMOV,
633 	 "WangDAT ", "Model 2600      ", "01.7"}, PQUIRK_NOSYNC|PQUIRK_NOWIDE},
634 	{{T_SEQUENTIAL, T_REMOV,
635 	 "WangDAT ", "Model 3200      ", "02.2"}, PQUIRK_NOSYNC|PQUIRK_NOWIDE},
636 	{{T_SEQUENTIAL, T_REMOV,
637 	 "TEAC    ", "MT-2ST/N50      ", ""},     PQUIRK_NOLUNS},
638 
639 	{{T_SCANNER, T_FIXED,
640 	 "RICOH   ", "IS60            ", "1R08"}, PQUIRK_NOLUNS},
641 	{{T_SCANNER, T_FIXED,
642 	 "UMAX    ", "Astra 1200S     ", "V2.9"}, PQUIRK_NOLUNS},
643 	{{T_SCANNER, T_FIXED,
644 	 "UMAX    ", "Astra 1220S     ", ""},     PQUIRK_NOLUNS},
645 	{{T_SCANNER, T_FIXED,
646 	 "UMAX    ", "UMAX S-6E       ", "V2.0"}, PQUIRK_NOLUNS},
647 	{{T_SCANNER, T_FIXED,
648 	 "UMAX    ", "UMAX S-12       ", "V2.1"}, PQUIRK_NOLUNS},
649 	{{T_SCANNER, T_FIXED,
650 	 "ULTIMA  ", "A6000C          ", ""},     PQUIRK_NOLUNS},
651 	{{T_PROCESSOR, T_FIXED,
652 	 "SYMBIOS",  "",                 ""},     PQUIRK_NOLUNS},
653 	{{T_PROCESSOR, T_FIXED,
654 	 "LITRONIC", "PCMCIA          ", ""},     PQUIRK_NOLUNS},
655 	{{T_CHANGER, T_REMOV,
656 	 "SONY    ", "CDL1100         ", ""},     PQUIRK_NOLUNS},
657 	{{T_ENCLOSURE, T_FIXED,
658 	 "SUN     ", "SENA            ", ""},     PQUIRK_NOLUNS},
659 };
660 
661 /*
662  * given a target and lun, ask the device what
663  * it is, and find the correct driver table
664  * entry.
665  */
666 int
667 scsi_probe_device(sc, target, lun)
668 	struct scsibus_softc *sc;
669 	int target, lun;
670 {
671 	struct scsipi_channel *chan = sc->sc_channel;
672 	struct scsipi_periph *periph;
673 	struct scsipi_inquiry_data inqbuf;
674 	struct scsi_quirk_inquiry_pattern *finger;
675 	int checkdtype, priority, docontinue, quirks;
676 	struct scsipibus_attach_args sa;
677 	struct cfdata *cf;
678 
679 	/*
680 	 * Assume no more luns to search after this one.
681 	 * If we successfully get Inquiry data and after
682 	 * merging quirks we find we can probe for more
683 	 * luns, we will.
684 	 */
685 	docontinue = 0;
686 
687 	/* Skip this slot if it is already attached. */
688 	if (scsipi_lookup_periph(chan, target, lun) != NULL)
689 		return (docontinue);
690 
691 	periph = scsipi_alloc_periph(M_NOWAIT);
692 	if (periph == NULL) {
693 #ifdef	DIAGNOSTIC
694 		printf("%s: cannot allocate periph for target %d lun %d\n",
695 		    sc->sc_dev.dv_xname, target, lun);
696 #endif
697 		return (ENOMEM);
698 	}
699 	periph->periph_channel = chan;
700 	periph->periph_switch = &scsi_probe_dev;
701 
702 	periph->periph_target = target;
703 	periph->periph_lun = lun;
704 	periph->periph_quirks = chan->chan_defquirks;
705 
706 #ifdef SCSIPI_DEBUG
707 	if (SCSIPI_DEBUG_TYPE == SCSIPI_BUSTYPE_SCSI &&
708 	    SCSIPI_DEBUG_TARGET == target &&
709 	    SCSIPI_DEBUG_LUN == lun)
710 		periph->periph_dbflags |= SCSIPI_DEBUG_FLAGS;
711 #endif
712 
713 	/*
714 	 * Ask the device what it is
715 	 */
716 	(void) scsipi_test_unit_ready(periph,
717 	    XS_CTL_DISCOVERY | XS_CTL_IGNORE_ILLEGAL_REQUEST |
718 	    XS_CTL_IGNORE_NOT_READY | XS_CTL_IGNORE_MEDIA_CHANGE);
719 
720 #ifdef SCSI_2_DEF
721 	/* some devices need to be told to go to SCSI2 */
722 	/* However some just explode if you tell them this.. leave it out */
723 	scsi_change_def(periph, XS_CTL_DISCOVERY | XS_CTL_SILENT);
724 #endif /* SCSI_2_DEF */
725 
726 	/* Now go ask the device all about itself. */
727 	memset(&inqbuf, 0, sizeof(inqbuf));
728 	if (scsipi_inquire(periph, &inqbuf,
729 	    XS_CTL_DISCOVERY | XS_CTL_DATA_ONSTACK) != 0)
730 		goto bad;
731 	{
732 		u_int8_t *extension = &inqbuf.flags1;
733 		int len = inqbuf.additional_length;
734 		while (len < 3)
735 			extension[len++] = '\0';
736 		while (len < 3 + 28)
737 			extension[len++] = ' ';
738 		while (len < 3 + 28 + 20)
739 			extension[len++] = '\0';
740 		while (len < 3 + 28 + 20 + 1)
741 			extension[len++] = '\0';
742 		while (len < 3 + 28 + 20 + 1 + 1)
743 			extension[len++] = '\0';
744 		while (len < 3 + 28 + 20 + 1 + 1 + (8*2))
745 			extension[len++] = ' ';
746 	}
747 
748 	periph->periph_type = inqbuf.device & SID_TYPE;
749 	if (inqbuf.dev_qual2 & SID_REMOVABLE)
750 		periph->periph_flags |= PERIPH_REMOVABLE;
751 	periph->periph_version = inqbuf.version & SID_ANSII;
752 
753 	/*
754 	 * Any device qualifier that has the top bit set (qualifier&4 != 0)
755 	 * is vendor specific and won't match in this switch.
756 	 * All we do here is throw out bad/negative responses.
757 	 */
758 	checkdtype = 0;
759 	switch (inqbuf.device & SID_QUAL) {
760 	case SID_QUAL_LU_PRESENT:
761 	case SID_QUAL_LU_NOTPRESENT:
762 		checkdtype = 1;
763 		break;
764 
765 	case SID_QUAL_reserved:
766 	case SID_QUAL_LU_NOT_SUPP:
767 		goto bad;
768 
769 	default:
770 		break;
771 	}
772 
773 	/* Let the adapter driver handle the device separatley if it wants. */
774 	if (chan->chan_adapter->adapt_accesschk != NULL &&
775 	    (*chan->chan_adapter->adapt_accesschk)(periph, &sa.sa_inqbuf))
776 		goto bad;
777 
778 	if (checkdtype) {
779 		switch (periph->periph_type) {
780 		case T_DIRECT:
781 		case T_SEQUENTIAL:
782 		case T_PRINTER:
783 		case T_PROCESSOR:
784 		case T_WORM:
785 		case T_CDROM:
786 		case T_SCANNER:
787 		case T_OPTICAL:
788 		case T_CHANGER:
789 		case T_COMM:
790 		case T_IT8_1:
791 		case T_IT8_2:
792 		case T_STORARRAY:
793 		case T_ENCLOSURE:
794 		case T_SIMPLE_DIRECT:
795 		case T_OPTIC_CARD_RW:
796 		case T_OBJECT_STORED:
797 		default:
798 			break;
799 		case T_NODEVICE:
800 			goto bad;
801 		}
802 	}
803 
804 	sa.sa_periph = periph;
805 	sa.sa_inqbuf.type = inqbuf.device;
806 	sa.sa_inqbuf.removable = inqbuf.dev_qual2 & SID_REMOVABLE ?
807 	    T_REMOV : T_FIXED;
808 	sa.sa_inqbuf.vendor = inqbuf.vendor;
809 	sa.sa_inqbuf.product = inqbuf.product;
810 	sa.sa_inqbuf.revision = inqbuf.revision;
811 	sa.scsipi_info.scsi_version = inqbuf.version;
812 	sa.sa_inqptr = &inqbuf;
813 
814 	finger = (struct scsi_quirk_inquiry_pattern *)scsipi_inqmatch(
815 	    &sa.sa_inqbuf, (caddr_t)scsi_quirk_patterns,
816 	    sizeof(scsi_quirk_patterns)/sizeof(scsi_quirk_patterns[0]),
817 	    sizeof(scsi_quirk_patterns[0]), &priority);
818 
819 	if (finger != NULL)
820 		quirks = finger->quirks;
821 	else
822 		quirks = 0;
823 
824 	/*
825 	 * Determine the operating mode capabilities of the device.
826 	 */
827 	if (periph->periph_version >= 2) {
828 		if ((inqbuf.flags3 & SID_CmdQue) != 0 &&
829 		    (quirks & PQUIRK_NOTAG) == 0)
830 			periph->periph_cap |= PERIPH_CAP_TQING;
831 		if ((inqbuf.flags3 & SID_Linked) != 0)
832 			periph->periph_cap |= PERIPH_CAP_LINKCMDS;
833 		if ((inqbuf.flags3 & SID_Sync) != 0 &&
834 		    (quirks & PQUIRK_NOSYNC) == 0)
835 			periph->periph_cap |= PERIPH_CAP_SYNC;
836 		if ((inqbuf.flags3 & SID_WBus16) != 0 &&
837 		    (quirks & PQUIRK_NOWIDE) == 0)
838 			periph->periph_cap |= PERIPH_CAP_WIDE16;
839 		if ((inqbuf.flags3 & SID_WBus32) != 0 &&
840 		    (quirks & PQUIRK_NOWIDE) == 0)
841 			periph->periph_cap |= PERIPH_CAP_WIDE32;
842 		if ((inqbuf.flags3 & SID_SftRe) != 0)
843 			periph->periph_cap |= PERIPH_CAP_SFTRESET;
844 		if ((inqbuf.flags3 & SID_RelAdr) != 0)
845 			periph->periph_cap |= PERIPH_CAP_RELADR;
846 		if (periph->periph_version >= 3) { /* SPC-2 */
847 			/*
848 			 * Report ST clocking though CAP_WIDExx/CAP_SYNC.
849 			 * If the device only supports DT, clear these
850 			 * flags (DT implies SYNC and WIDE)
851 			 */
852 			switch (inqbuf.flags4 & SID_Clocking) {
853 			case SID_CLOCKING_DT_ONLY:
854 				periph->periph_cap &=
855 				    ~(PERIPH_CAP_SYNC |
856 				      PERIPH_CAP_WIDE16 |
857 				      PERIPH_CAP_WIDE32);
858 				/* FALLTHOUGH */
859 			case SID_CLOCKING_SD_DT:
860 				periph->periph_cap |= PERIPH_CAP_DT;
861 				break;
862 			default: /* ST only or invalid */
863 				/* nothing to do */
864 				break;
865 			}
866 			if (inqbuf.flags4 & SID_IUS)
867 				periph->periph_cap |= PERIPH_CAP_IUS;
868 			if (inqbuf.flags4 & SID_QAS)
869 				periph->periph_cap |= PERIPH_CAP_QAS;
870 		}
871 	} else {
872 		if (quirks & PQUIRK_CAP_SYNC)
873 			periph->periph_cap |= PERIPH_CAP_SYNC;
874 	}
875 
876 	/*
877 	 * Now apply any quirks from the table.
878 	 */
879 	periph->periph_quirks |= quirks;
880 	if (periph->periph_version == 0 &&
881 	    (periph->periph_quirks & PQUIRK_FORCELUNS) == 0)
882 		periph->periph_quirks |= PQUIRK_NOLUNS;
883 
884 	if (periph->periph_quirks & PQUIRK_CDROM) {
885 		periph->periph_quirks ^= PQUIRK_CDROM;
886 		inqbuf.dev_qual2 |= SID_REMOVABLE;
887 		sa.sa_inqbuf.type = inqbuf.device =
888 		    ((inqbuf.device & ~SID_REMOVABLE) | T_CDROM);
889 		sa.sa_inqbuf.removable = T_REMOV;
890 	}
891 
892 	if ((periph->periph_quirks & PQUIRK_NOLUNS) == 0)
893 		docontinue = 1;
894 
895 	if ((cf = config_search(scsibussubmatch, &sc->sc_dev, &sa)) != NULL) {
896 		scsipi_insert_periph(chan, periph);
897 		/*
898 		 * XXX Can't assign periph_dev here, because we'll
899 		 * XXX need it before config_attach() returns.  Must
900 		 * XXX assign it in periph driver.
901 		 */
902 		(void) config_attach(&sc->sc_dev, cf, &sa, scsibusprint);
903 	} else {
904 		scsibusprint(&sa, sc->sc_dev.dv_xname);
905 		printf(" not configured\n");
906 		goto bad;
907 	}
908 
909 	return (docontinue);
910 
911 bad:
912 	free(periph, M_DEVBUF);
913 	return (docontinue);
914 }
915 
916 /****** Entry points for user control of the SCSI bus. ******/
917 
918 int
919 scsibusopen(dev, flag, fmt, p)
920 	dev_t dev;
921 	int flag, fmt;
922 	struct proc *p;
923 {
924 	struct scsibus_softc *sc;
925 	int error, unit = minor(dev);
926 
927 	if (unit >= scsibus_cd.cd_ndevs ||
928 	    (sc = scsibus_cd.cd_devs[unit]) == NULL)
929 		return (ENXIO);
930 
931 	if (sc->sc_flags & SCSIBUSF_OPEN)
932 		return (EBUSY);
933 
934 	if ((error = scsipi_adapter_addref(sc->sc_channel->chan_adapter)) != 0)
935 		return (error);
936 
937 	sc->sc_flags |= SCSIBUSF_OPEN;
938 
939 	return (0);
940 }
941 
942 int
943 scsibusclose(dev, flag, fmt, p)
944 	dev_t dev;
945 	int flag, fmt;
946 	struct proc *p;
947 {
948 	struct scsibus_softc *sc = scsibus_cd.cd_devs[minor(dev)];
949 
950 	scsipi_adapter_delref(sc->sc_channel->chan_adapter);
951 
952 	sc->sc_flags &= ~SCSIBUSF_OPEN;
953 
954 	return (0);
955 }
956 
957 int
958 scsibusioctl(dev, cmd, addr, flag, p)
959 	dev_t dev;
960 	u_long cmd;
961 	caddr_t addr;
962 	int flag;
963 	struct proc *p;
964 {
965 	struct scsibus_softc *sc = scsibus_cd.cd_devs[minor(dev)];
966 	struct scsipi_channel *chan = sc->sc_channel;
967 	int error;
968 
969 	/*
970 	 * Enforce write permission for ioctls that change the
971 	 * state of the bus.  Host adapter specific ioctls must
972 	 * be checked by the adapter driver.
973 	 */
974 	switch (cmd) {
975 	case SCBUSIOSCAN:
976 	case SCBUSIODETACH:
977 	case SCBUSIORESET:
978 		if ((flag & FWRITE) == 0)
979 			return (EBADF);
980 	}
981 
982 	switch (cmd) {
983 	case SCBUSIOSCAN:
984 	    {
985 		struct scbusioscan_args *a =
986 		    (struct scbusioscan_args *)addr;
987 
988 		error = scsi_probe_bus(sc, a->sa_target, a->sa_lun);
989 		break;
990 	    }
991 
992 	case SCBUSIODETACH:
993 	    {
994 		struct scbusiodetach_args *a =
995 		    (struct scbusiodetach_args *)addr;
996 
997 		error = scsipi_target_detach(chan, a->sa_target, a->sa_lun, 0);
998 		break;
999 	    }
1000 
1001 
1002 	case SCBUSIORESET:
1003 		/* FALLTHROUGH */
1004 	default:
1005 		if (chan->chan_adapter->adapt_ioctl == NULL)
1006 			error = ENOTTY;
1007 		else
1008 			error = (*chan->chan_adapter->adapt_ioctl)(chan,
1009 			    cmd, addr, flag, p);
1010 		break;
1011 	}
1012 
1013 	return (error);
1014 }
1015