xref: /netbsd-src/sys/dev/scsipi/scsiconf.c (revision 27578b9aac214cc7796ead81dcc5427e79d5f2a0)
1 /*	$NetBSD: scsiconf.c,v 1.161 2001/08/31 07:09:41 augustss 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/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/kthread.h>
63 #include <sys/malloc.h>
64 #include <sys/device.h>
65 #include <sys/conf.h>
66 #include <sys/fcntl.h>
67 #include <sys/scsiio.h>
68 
69 #include <dev/scsipi/scsi_all.h>
70 #include <dev/scsipi/scsipi_all.h>
71 #include <dev/scsipi/scsiconf.h>
72 
73 #include "locators.h"
74 
75 const struct scsipi_periphsw scsi_probe_dev = {
76 	NULL,
77 	NULL,
78 	NULL,
79 	NULL,
80 };
81 
82 int	scsi_probe_device __P((struct scsibus_softc *, int, int));
83 
84 int	scsibusmatch __P((struct device *, struct cfdata *, void *));
85 void	scsibusattach __P((struct device *, struct device *, void *));
86 int	scsibusactivate __P((struct device *, enum devact));
87 int	scsibusdetach __P((struct device *, int flags));
88 
89 int	scsibussubmatch __P((struct device *, struct cfdata *, void *));
90 
91 struct cfattach scsibus_ca = {
92 	sizeof(struct scsibus_softc), scsibusmatch, scsibusattach,
93 	    scsibusdetach, scsibusactivate,
94 };
95 
96 extern struct cfdriver scsibus_cd;
97 
98 int	scsibusprint __P((void *, const char *));
99 void	scsibus_config_interrupts __P((struct device *));
100 
101 cdev_decl(scsibus);
102 
103 const struct scsipi_bustype scsi_bustype = {
104 	SCSIPI_BUSTYPE_SCSI,
105 	scsi_scsipi_cmd,
106 	scsipi_interpret_sense,
107 	scsi_print_addr,
108 	scsi_kill_pending,
109 };
110 
111 int
112 scsiprint(aux, pnp)
113 	void *aux;
114 	const char *pnp;
115 {
116 	struct scsipi_channel *chan = aux;
117 	struct scsipi_adapter *adapt = chan->chan_adapter;
118 
119 	/* only "scsibus"es can attach to "scsi"s; easy. */
120 	if (pnp)
121 		printf("scsibus at %s", pnp);
122 
123 	/* don't print channel if the controller says there can be only one. */
124 	if (adapt->adapt_nchannels != 1)
125 		printf(" channel %d", chan->chan_channel);
126 
127 	return (UNCONF);
128 }
129 
130 int
131 scsibusmatch(parent, cf, aux)
132 	struct device *parent;
133 	struct cfdata *cf;
134 	void *aux;
135 {
136 	struct scsipi_channel *chan = aux;
137 
138 	if (chan->type != BUS_SCSI)
139 		return 0;
140 
141 	if (cf->cf_loc[SCSICF_CHANNEL] != chan->chan_channel &&
142 	    cf->cf_loc[SCSICF_CHANNEL] != SCSICF_CHANNEL_DEFAULT)
143 		return (0);
144 
145 	return (1);
146 }
147 
148 void
149 scsibusattach(parent, self, aux)
150 	struct device *parent, *self;
151 	void *aux;
152 {
153 	struct scsibus_softc *sc = (void *) self;
154 	struct scsipi_channel *chan = aux;
155 
156 	sc->sc_channel = chan;
157 
158 	/* Initialize the channel structure first */
159 	if (scsipi_channel_init(chan)) {
160 		printf(": failed to init channel\n");
161 		return;
162 	}
163 
164 	printf(": %d targets, %d luns per target\n",
165 	    chan->chan_ntargets, chan->chan_nluns);
166 
167 
168 	/*
169 	 * Defer configuration of the children until interrupts
170 	 * are enabled.
171 	 */
172 	config_interrupts(self, scsibus_config_interrupts);
173 }
174 
175 void
176 scsibus_config_interrupts(self)
177 	struct device *self;
178 {
179 	struct scsibus_softc *sc = (void *) self;
180 
181 #ifndef SCSI_DELAY
182 #define SCSI_DELAY 2
183 #endif
184 
185 	if ((sc->sc_channel->chan_flags & SCSIPI_CHAN_NOSETTLE) == 0 &&
186 	    SCSI_DELAY > 0) {
187 		printf("%s: waiting %d seconds for devices to settle...\n",
188 		    self->dv_xname, SCSI_DELAY);
189 		/* ...an identifier we know no one will use... */
190 		(void) tsleep(scsibus_config_interrupts, PRIBIO,
191 		    "scsidly", SCSI_DELAY * hz);
192 	}
193 
194 	scsi_probe_bus(sc, -1, -1);
195 }
196 
197 int
198 scsibussubmatch(parent, cf, aux)
199 	struct device *parent;
200 	struct cfdata *cf;
201 	void *aux;
202 {
203 	struct scsipibus_attach_args *sa = aux;
204 	struct scsipi_periph *periph = sa->sa_periph;
205 
206 	if (cf->cf_loc[SCSIBUSCF_TARGET] != SCSIBUSCF_TARGET_DEFAULT &&
207 	    cf->cf_loc[SCSIBUSCF_TARGET] != periph->periph_target)
208 		return (0);
209 	if (cf->cf_loc[SCSIBUSCF_LUN] != SCSIBUSCF_LUN_DEFAULT &&
210 	    cf->cf_loc[SCSIBUSCF_LUN] != periph->periph_lun)
211 		return (0);
212 	return ((*cf->cf_attach->ca_match)(parent, cf, aux));
213 }
214 
215 int
216 scsibusactivate(self, act)
217 	struct device *self;
218 	enum devact act;
219 {
220 	struct scsibus_softc *sc = (void *) self;
221 	struct scsipi_channel *chan = sc->sc_channel;
222 	struct scsipi_periph *periph;
223 	int target, lun, error = 0, s;
224 
225 	s = splbio();
226 	switch (act) {
227 	case DVACT_ACTIVATE:
228 		error = EOPNOTSUPP;
229 		break;
230 
231 	case DVACT_DEACTIVATE:
232 		for (target = 0; target < chan->chan_ntargets;
233 		     target++) {
234 			if (target == chan->chan_id)
235 				continue;
236 			for (lun = 0; lun < chan->chan_nluns; lun++) {
237 				periph = scsipi_lookup_periph(chan,
238 				    target, lun);
239 				if (periph == NULL)
240 					continue;
241 				error = config_deactivate(periph->periph_dev);
242 				if (error)
243 					goto out;
244 			}
245 		}
246 		break;
247 	}
248  out:
249 	splx(s);
250 	return (error);
251 }
252 
253 int
254 scsibusdetach(self, flags)
255 	struct device *self;
256 	int flags;
257 {
258 	struct scsibus_softc *sc = (void *) self;
259 	struct scsipi_channel *chan = sc->sc_channel;
260 
261 	/*
262 	 * Shut down the channel.
263 	 */
264 	scsipi_channel_shutdown(chan);
265 
266 	/*
267 	 * Now detach all of the periphs.
268 	 */
269 	return scsipi_target_detach(chan, -1, -1, flags);
270 }
271 
272 /*
273  * Probe the requested scsi bus. It must be already set up.
274  * target and lun optionally narrow the search if not -1
275  */
276 int
277 scsi_probe_bus(sc, target, lun)
278 	struct scsibus_softc *sc;
279 	int target, lun;
280 {
281 	struct scsipi_channel *chan = sc->sc_channel;
282 	int maxtarget, mintarget, maxlun, minlun;
283 	int error;
284 
285 	if (target == -1) {
286 		maxtarget = chan->chan_ntargets - 1;
287 		mintarget = 0;
288 	} else {
289 		if (target < 0 || target >= chan->chan_ntargets)
290 			return (EINVAL);
291 		maxtarget = mintarget = target;
292 	}
293 
294 	if (lun == -1) {
295 		maxlun = chan->chan_nluns - 1;
296 		minlun = 0;
297 	} else {
298 		if (lun < 0 || lun >= chan->chan_nluns)
299 			return (EINVAL);
300 		maxlun = minlun = lun;
301 	}
302 
303 	/*
304 	 * Some HBAs provide an abstracted view of the bus; give them an
305 	 * oppertunity to re-scan it before we do.
306 	 */
307 	if (chan->chan_adapter->adapt_ioctl != NULL)
308 		(*chan->chan_adapter->adapt_ioctl)(chan, SCBUSIOLLSCAN, NULL,
309 		    0, curproc);
310 
311 	if ((error = scsipi_adapter_addref(chan->chan_adapter)) != 0)
312 		return (error);
313 	for (target = mintarget; target <= maxtarget; target++) {
314 		if (target == chan->chan_id)
315 			continue;
316 		for (lun = minlun; lun <= maxlun; lun++) {
317 			/*
318 			 * See if there's a device present, and configure it.
319 			 */
320 			if (scsi_probe_device(sc, target, lun) == 0)
321 				break;
322 			/* otherwise something says we should look further */
323 		}
324 
325 		/*
326 		 * Now that we've discovered all of the LUNs on this
327 		 * I_T Nexus, update the xfer mode for all of them
328 		 * that we know about.
329 		 */
330 		scsipi_set_xfer_mode(chan, target, 1);
331 	}
332 	scsipi_adapter_delref(chan->chan_adapter);
333 	return (0);
334 }
335 
336 /*
337  * Print out autoconfiguration information for a subdevice.
338  *
339  * This is a slight abuse of 'standard' autoconfiguration semantics,
340  * because 'print' functions don't normally print the colon and
341  * device information.  However, in this case that's better than
342  * either printing redundant information before the attach message,
343  * or having the device driver call a special function to print out
344  * the standard device information.
345  */
346 int
347 scsibusprint(aux, pnp)
348 	void *aux;
349 	const char *pnp;
350 {
351 	struct scsipibus_attach_args *sa = aux;
352 	struct scsipi_inquiry_pattern *inqbuf;
353 	u_int8_t type;
354 	const char *dtype, *qtype;
355 	char vendor[33], product[65], revision[17];
356 	int target, lun;
357 
358 	if (pnp != NULL)
359 		printf("%s", pnp);
360 
361 	inqbuf = &sa->sa_inqbuf;
362 
363 	target = sa->sa_periph->periph_target;
364 	lun = sa->sa_periph->periph_lun;
365 	type = inqbuf->type & SID_TYPE;
366 
367 	/*
368 	 * Figure out basic device type and qualifier.
369 	 */
370 	dtype = 0;
371 	switch (inqbuf->type & SID_QUAL) {
372 	case SID_QUAL_LU_PRESENT:
373 		qtype = "";
374 		break;
375 
376 	case SID_QUAL_LU_NOTPRESENT:
377 		qtype = " offline";
378 		break;
379 
380 	case SID_QUAL_reserved:
381 	case SID_QUAL_LU_NOT_SUPP:
382 		panic("scsibusprint: impossible qualifier");
383 
384 	default:
385 		qtype = "";
386 		dtype = "vendor-unique";
387 		break;
388 	}
389 	if (dtype == NULL)
390 		dtype = scsipi_dtype(type);
391 
392 	scsipi_strvis(vendor, 33, inqbuf->vendor, 8);
393 	scsipi_strvis(product, 65, inqbuf->product, 16);
394 	scsipi_strvis(revision, 17, inqbuf->revision, 4);
395 
396 	printf(" target %d lun %d: <%s, %s, %s> SCSI%d %d/%s %s%s",
397 	    target, lun, vendor, product, revision,
398 	    sa->scsipi_info.scsi_version & SID_ANSII, type, dtype,
399 	    inqbuf->removable ? "removable" : "fixed", qtype);
400 
401 	return (UNCONF);
402 }
403 
404 const struct scsi_quirk_inquiry_pattern scsi_quirk_patterns[] = {
405 	{{T_CDROM, T_REMOV,
406 	 "CHINON  ", "CD-ROM CDS-431  ", ""},     PQUIRK_NOLUNS},
407 	{{T_CDROM, T_REMOV,
408 	 "Chinon  ", "CD-ROM CDS-525  ", ""},     PQUIRK_NOLUNS},
409 	{{T_CDROM, T_REMOV,
410 	 "CHINON  ", "CD-ROM CDS-535  ", ""},     PQUIRK_NOLUNS},
411 	{{T_CDROM, T_REMOV,
412 	 "DEC     ", "RRD42   (C) DEC ", ""},     PQUIRK_NOLUNS},
413 	{{T_CDROM, T_REMOV,
414 	 "DENON   ", "DRD-25X         ", "V"},    PQUIRK_NOLUNS},
415 	{{T_CDROM, T_REMOV,
416 	 "GENERIC ", "CRD-BP2         ", ""},     PQUIRK_NOLUNS},
417 	{{T_CDROM, T_REMOV,
418 	 "HP      ", "C4324/C4325     ", ""},     PQUIRK_NOLUNS},
419 	{{T_CDROM, T_REMOV,
420 	 "IMS     ", "CDD521/10       ", "2.06"}, PQUIRK_NOLUNS},
421 	{{T_CDROM, T_REMOV,
422 	 "MATSHITA", "CD-ROM CR-5XX   ", "1.0b"}, PQUIRK_NOLUNS},
423 	{{T_CDROM, T_REMOV,
424 	 "MEDAVIS ", "RENO CD-ROMX2A  ", ""},     PQUIRK_NOLUNS},
425 	{{T_CDROM, T_REMOV,
426 	 "MEDIAVIS", "CDR-H93MV       ", "1.3"},  PQUIRK_NOLUNS},
427 	{{T_CDROM, T_REMOV,
428 	 "NEC     ", "CD-ROM DRIVE:55 ", ""},     PQUIRK_NOLUNS},
429 	{{T_CDROM, T_REMOV,
430 	 "NEC     ", "CD-ROM DRIVE:83 ", ""},     PQUIRK_NOLUNS},
431 	{{T_CDROM, T_REMOV,
432 	 "NEC     ", "CD-ROM DRIVE:84 ", ""},     PQUIRK_NOLUNS},
433 	{{T_CDROM, T_REMOV,
434 	 "NEC     ", "CD-ROM DRIVE:841", ""},     PQUIRK_NOLUNS},
435 	{{T_CDROM, T_REMOV,
436 	 "PIONEER ", "CD-ROM DR-124X  ", "1.01"}, PQUIRK_NOLUNS},
437 	{{T_CDROM, T_REMOV,
438 	 "SONY    ", "CD-ROM CDU-541  ", ""},     PQUIRK_NOLUNS},
439 	{{T_CDROM, T_REMOV,
440 	 "SONY    ", "CD-ROM CDU-55S  ", ""},     PQUIRK_NOLUNS},
441 	{{T_CDROM, T_REMOV,
442 	 "SONY    ", "CD-ROM CDU-561  ", ""},     PQUIRK_NOLUNS},
443 	{{T_CDROM, T_REMOV,
444 	 "SONY    ", "CD-ROM CDU-8003A", ""},     PQUIRK_NOLUNS},
445 	{{T_CDROM, T_REMOV,
446 	 "SONY    ", "CD-ROM CDU-8012 ", ""},     PQUIRK_NOLUNS},
447 	{{T_CDROM, T_REMOV,
448 	 "TEAC    ", "CD-ROM          ", "1.06"}, PQUIRK_NOLUNS},
449 	{{T_CDROM, T_REMOV,
450 	 "TEAC    ", "CD-ROM CD-56S   ", "1.0B"}, PQUIRK_NOLUNS},
451 	{{T_CDROM, T_REMOV,
452 	 "TEXEL   ", "CD-ROM          ", "1.06"}, PQUIRK_NOLUNS},
453 	{{T_CDROM, T_REMOV,
454 	 "TEXEL   ", "CD-ROM DM-XX24 K", "1.09"}, PQUIRK_NOLUNS},
455 	{{T_CDROM, T_REMOV,
456 	 "TEXEL   ", "CD-ROM DM-XX24 K", "1.10"}, PQUIRK_NOLUNS},
457 	{{T_CDROM, T_REMOV,
458 	 "TOSHIBA ", "XM-4101TASUNSLCD", "1755"}, PQUIRK_NOLUNS|PQUIRK_NOSYNC},
459 	/* "IBM CDRM00201     !F" 0724 is an IBM OEM Toshiba XM-4101BME */
460 	{{T_CDROM, T_REMOV,
461 	 "IBM     ", "CDRM00201     !F", "0724"}, PQUIRK_NOLUNS|PQUIRK_NOSYNC},
462 	{{T_CDROM, T_REMOV,
463 	 "ShinaKen", "CD-ROM DM-3x1S", "1.04"},   PQUIRK_NOLUNS},
464 	{{T_CDROM, T_REMOV,
465 	 "JVC     ", "R2626",            ""},     PQUIRK_NOLUNS},
466 	{{T_CDROM, T_REMOV,
467 	 "YAMAHA", "CRW8424S",           ""},     PQUIRK_NOLUNS},
468 	{{T_CDROM, T_REMOV,
469 	 "VMware", "Virtual",           "1.0"},
470 				PQUIRK_NOSTARTUNIT|PQUIRK_NODOORLOCK},
471 
472 	{{T_DIRECT, T_FIXED,
473 	 "MICROP  ", "1588-15MBSUN0669", ""},     PQUIRK_AUTOSAVE},
474 	{{T_DIRECT, T_FIXED,
475 	 "MICROP  ", "2217-15MQ1091501", ""},     PQUIRK_NOSYNCCACHE},
476 	{{T_OPTICAL, T_REMOV,
477 	 "EPSON   ", "OMD-5010        ", "3.08"}, PQUIRK_NOLUNS},
478 	{{T_DIRECT, T_FIXED,
479 	 "TOSHIBA ","CD-ROM XM-3401TA", "0283"},  PQUIRK_CDROM|PQUIRK_NOLUNS},
480 	{{T_DIRECT, T_FIXED,
481 	 "TOSHIBA ", "CD-ROM DRIVE:XM", "1971"}, PQUIRK_CDROM|PQUIRK_NOLUNS},
482 	{{T_DIRECT, T_FIXED,
483 	 "ADAPTEC ", "AEC-4412BD",       "1.2A"}, PQUIRK_NOMODESENSE},
484 	{{T_DIRECT, T_FIXED,
485 	 "DEC     ", "RZ55     (C) DEC", ""},     PQUIRK_AUTOSAVE},
486 	{{T_DIRECT, T_FIXED,
487 	 "EMULEX  ", "MD21/S2     ESDI", "A00"},  PQUIRK_FORCELUNS|PQUIRK_AUTOSAVE},
488 	/* Gives non-media hardware failure in response to start-unit command */
489 	{{T_DIRECT, T_FIXED,
490 	 "HITACHI", "DK515C",		"CP16"},  PQUIRK_NOSTARTUNIT},
491 	{{T_DIRECT, T_FIXED,
492 	 "HITACHI", "DK515C",		"CP15"},  PQUIRK_NOSTARTUNIT},
493 	{{T_DIRECT, T_FIXED,
494 	 "HP      ", "C372",             ""},     PQUIRK_NOTAG},
495 	{{T_DIRECT, T_FIXED,
496 	 "IBMRAID ", "0662S",		 ""},     PQUIRK_AUTOSAVE},
497 	{{T_DIRECT, T_FIXED,
498 	 "IBM     ", "0663H",		 ""},     PQUIRK_AUTOSAVE},
499 	{{T_DIRECT, T_FIXED,
500 	 "IBM",	     "0664",		 ""},     PQUIRK_AUTOSAVE},
501 	{{T_DIRECT, T_FIXED,
502 	 "IBM     ", "H3171-S2",	 ""},	  PQUIRK_NOLUNS|PQUIRK_AUTOSAVE},
503 	{{T_DIRECT, T_FIXED,
504 	 "IBM     ", "KZ-C",		 ""},	  PQUIRK_AUTOSAVE},
505 	/* Broken IBM disk */
506 	{{T_DIRECT, T_FIXED,
507 	 ""	   , "DFRSS2F",		 ""},	  PQUIRK_AUTOSAVE},
508 	{{T_DIRECT, T_REMOV,
509 	 "MPL     ", "MC-DISK-        ", ""},     PQUIRK_NOLUNS},
510 	{{T_DIRECT, T_FIXED,
511 	 "MAXTOR  ", "XT-3280         ", ""},     PQUIRK_NOLUNS},
512 	{{T_DIRECT, T_FIXED,
513 	 "MAXTOR  ", "XT-4380S        ", ""},     PQUIRK_NOLUNS},
514 	{{T_DIRECT, T_FIXED,
515 	 "MAXTOR  ", "MXT-1240S       ", ""},     PQUIRK_NOLUNS},
516 	{{T_DIRECT, T_FIXED,
517 	 "MAXTOR  ", "XT-4170S        ", ""},     PQUIRK_NOLUNS},
518 	{{T_DIRECT, T_FIXED,
519 	 "MAXTOR  ", "XT-8760S",         ""},     PQUIRK_NOLUNS},
520 	{{T_DIRECT, T_FIXED,
521 	 "MAXTOR  ", "LXT-213S        ", ""},     PQUIRK_NOLUNS},
522 	{{T_DIRECT, T_FIXED,
523 	 "MAXTOR  ", "LXT-213S SUN0207", ""},     PQUIRK_NOLUNS},
524 	{{T_DIRECT, T_FIXED,
525 	 "MAXTOR  ", "LXT-200S        ", ""},     PQUIRK_NOLUNS},
526 	{{T_DIRECT, T_FIXED,
527 	 "MEGADRV ", "EV1000",           ""},     PQUIRK_NOMODESENSE},
528 	{{T_DIRECT, T_FIXED,
529 	 "MST     ", "SnapLink        ", ""},     PQUIRK_NOLUNS},
530 	{{T_DIRECT, T_FIXED,
531 	 "NEC     ", "D3847           ", "0307"}, PQUIRK_NOLUNS},
532 	{{T_DIRECT, T_FIXED,
533 	 "QUANTUM ", "ELS85S          ", ""},     PQUIRK_AUTOSAVE},
534 	{{T_DIRECT, T_FIXED,
535 	 "QUANTUM ", "LPS525S         ", ""},     PQUIRK_NOLUNS},
536 	{{T_DIRECT, T_FIXED,
537 	 "QUANTUM ", "P105S 910-10-94x", ""},     PQUIRK_NOLUNS},
538 	{{T_DIRECT, T_FIXED,
539 	 "QUANTUM ", "PD1225S         ", ""},     PQUIRK_NOLUNS},
540 	{{T_DIRECT, T_FIXED,
541 	 "QUANTUM ", "PD210S   SUN0207", ""},     PQUIRK_NOLUNS},
542 	{{T_DIRECT, T_FIXED,
543 	 "RODIME  ", "RO3000S         ", ""},     PQUIRK_NOLUNS},
544 	{{T_DIRECT, T_FIXED,
545 	 "SEAGATE ", "ST125N          ", ""},     PQUIRK_NOLUNS},
546 	{{T_DIRECT, T_FIXED,
547 	 "SEAGATE ", "ST157N          ", ""},     PQUIRK_NOLUNS},
548 	{{T_DIRECT, T_FIXED,
549 	 "SEAGATE ", "ST296           ", ""},     PQUIRK_NOLUNS},
550 	{{T_DIRECT, T_FIXED,
551 	 "SEAGATE ", "ST296N          ", ""},     PQUIRK_NOLUNS},
552 	{{T_DIRECT, T_FIXED,
553 	 "SEAGATE ", "ST19171",          ""},     PQUIRK_NOMODESENSE},
554 	{{T_DIRECT, T_FIXED,
555 	 "SEAGATE ", "ST34501FC       ", ""},     PQUIRK_NOMODESENSE},
556 	{{T_DIRECT, T_FIXED,
557 	 "TOSHIBA ", "MK538FB         ", "6027"}, PQUIRK_NOLUNS},
558 	{{T_DIRECT, T_FIXED,
559 	 "VMware", "Virtual",           "1.0"},
560 				PQUIRK_NOSTARTUNIT|PQUIRK_NODOORLOCK},
561 
562 	{{T_DIRECT, T_REMOV,
563 	 "iomega", "jaz 1GB", 		 ""},	  PQUIRK_NOMODESENSE},
564 	{{T_DIRECT, T_REMOV,
565 	 "IOMEGA", "ZIP 100",		 ""},	  PQUIRK_NOMODESENSE},
566 	{{T_DIRECT, T_REMOV,
567 	 "IOMEGA", "ZIP 100",		 "J.03"}, PQUIRK_NOMODESENSE|PQUIRK_NOLUNS},
568 	/* Letting the motor run kills floppy drives and disks quite fast. */
569 	{{T_DIRECT, T_REMOV,
570 	 "TEAC", "FC-1",		 ""},	  PQUIRK_NOSTARTUNIT},
571 
572 	{{T_DIRECT, T_REMOV,
573 	 "Y-E DATA", "USB-FDU",          "3.04"}, PQUIRK_NOMODESENSE},
574 	{{T_DIRECT, T_REMOV,
575 	 "TEAC", "FD-05PUB",             "1026"}, PQUIRK_NOMODESENSE},
576 	{{T_DIRECT, T_REMOV,
577 	 "M-Sys", "DiskOnKey",           "2.01"}, PQUIRK_NOMODESENSE
578 	      | PQUIRK_NODOORLOCK | PQUIRK_ONLYBIG | PQUIRK_NOBIGMODESENSE},
579 
580 	/* XXX: QIC-36 tape behind Emulex adapter.  Very broken. */
581 	{{T_SEQUENTIAL, T_REMOV,
582 	 "        ", "                ", "    "}, PQUIRK_NOLUNS},
583 	{{T_SEQUENTIAL, T_REMOV,
584 	 "CALIPER ", "CP150           ", ""},     PQUIRK_NOLUNS},
585 	{{T_SEQUENTIAL, T_REMOV,
586 	 "EXABYTE ", "EXB-8200        ", ""},     PQUIRK_NOLUNS},
587 	{{T_SEQUENTIAL, T_REMOV,
588 	 "SONY    ", "GY-10C          ", ""},     PQUIRK_NOLUNS},
589 	{{T_SEQUENTIAL, T_REMOV,
590 	 "SONY    ", "SDT-2000        ", "2.09"}, PQUIRK_NOLUNS},
591 	{{T_SEQUENTIAL, T_REMOV,
592 	 "SONY    ", "SDT-5000        ", "3."},   PQUIRK_NOSYNC|PQUIRK_NOWIDE},
593 	{{T_SEQUENTIAL, T_REMOV,
594 	 "SONY    ", "SDT-5200        ", "3."},   PQUIRK_NOLUNS},
595 	{{T_SEQUENTIAL, T_REMOV,
596 	 "TANDBERG", " TDC 3600       ", ""},     PQUIRK_NOLUNS},
597 	/* Following entry reported as a Tandberg 3600; ref. PR1933 */
598 	{{T_SEQUENTIAL, T_REMOV,
599 	 "ARCHIVE ", "VIPER 150  21247", ""},     PQUIRK_NOLUNS},
600 	/* Following entry for a Cipher ST150S; ref. PR4171 */
601 	{{T_SEQUENTIAL, T_REMOV,
602 	 "ARCHIVE ", "VIPER 1500 21247", "2.2G"}, PQUIRK_NOLUNS},
603 	{{T_SEQUENTIAL, T_REMOV,
604 	 "ARCHIVE ", "Python 28454-XXX", ""},     PQUIRK_NOLUNS},
605 	{{T_SEQUENTIAL, T_REMOV,
606 	 "WANGTEK ", "5099ES SCSI",      ""},     PQUIRK_NOLUNS},
607 	{{T_SEQUENTIAL, T_REMOV,
608 	 "WANGTEK ", "5150ES SCSI",      ""},     PQUIRK_NOLUNS},
609 	{{T_SEQUENTIAL, T_REMOV,
610 	 "WANGTEK ", "SCSI-36",		 ""},     PQUIRK_NOLUNS},
611 	{{T_SEQUENTIAL, T_REMOV,
612 	 "WangDAT ", "Model 1300      ", "02.4"}, PQUIRK_NOSYNC|PQUIRK_NOWIDE},
613 	{{T_SEQUENTIAL, T_REMOV,
614 	 "WangDAT ", "Model 2600      ", "01.7"}, PQUIRK_NOSYNC|PQUIRK_NOWIDE},
615 	{{T_SEQUENTIAL, T_REMOV,
616 	 "WangDAT ", "Model 3200      ", "02.2"}, PQUIRK_NOSYNC|PQUIRK_NOWIDE},
617 	{{T_SEQUENTIAL, T_REMOV,
618 	 "TEAC    ", "MT-2ST/N50      ", ""},     PQUIRK_NOLUNS},
619 
620 	{{T_SCANNER, T_FIXED,
621 	 "RICOH   ", "IS60            ", "1R08"}, PQUIRK_NOLUNS},
622 	{{T_SCANNER, T_FIXED,
623 	 "UMAX    ", "Astra 1200S     ", "V2.9"}, PQUIRK_NOLUNS},
624 	{{T_SCANNER, T_FIXED,
625 	 "UMAX    ", "Astra 1220S     ", ""},     PQUIRK_NOLUNS},
626 	{{T_SCANNER, T_FIXED,
627 	 "UMAX    ", "UMAX S-6E       ", "V2.0"}, PQUIRK_NOLUNS},
628 	{{T_SCANNER, T_FIXED,
629 	 "UMAX    ", "UMAX S-12       ", "V2.1"}, PQUIRK_NOLUNS},
630 	{{T_SCANNER, T_FIXED,
631 	 "ULTIMA  ", "A6000C          ", ""}, PQUIRK_NOLUNS},
632 	{{T_PROCESSOR, T_FIXED,
633 	 "SYMBIOS", "", ""},     PQUIRK_NOLUNS},
634 	{{T_PROCESSOR, T_FIXED,
635 	 "LITRONIC", "PCMCIA          ", ""},     PQUIRK_NOLUNS},
636 	{{T_CHANGER, T_REMOV,
637 	 "SONY    ", "CDL1100         ", ""},     PQUIRK_NOLUNS},
638 	{{T_ENCLOSURE, T_FIXED,
639 	 "SUN     ", "SENA            ", ""}, PQUIRK_NOLUNS},
640 };
641 
642 /*
643  * given a target and lun, ask the device what
644  * it is, and find the correct driver table
645  * entry.
646  */
647 int
648 scsi_probe_device(sc, target, lun)
649 	struct scsibus_softc *sc;
650 	int target, lun;
651 {
652 	struct scsipi_channel *chan = sc->sc_channel;
653 	struct scsipi_periph *periph;
654 	struct scsipi_inquiry_data inqbuf;
655 	struct scsi_quirk_inquiry_pattern *finger;
656 	int checkdtype, priority, docontinue, quirks;
657 	struct scsipibus_attach_args sa;
658 	struct cfdata *cf;
659 
660 	/*
661 	 * Assume no more luns to search after this one.
662 	 * If we successfully get Inquiry data and after
663 	 * merging quirks we find we can probe for more
664 	 * luns, we will.
665 	 */
666 	docontinue = 0;
667 
668 	/* Skip this slot if it is already attached. */
669 	if (scsipi_lookup_periph(chan, target, lun) != NULL)
670 		return (docontinue);
671 
672 	periph = scsipi_alloc_periph(M_NOWAIT);
673 	if (periph == NULL) {
674 #ifdef	DIAGNOSTIC
675 		printf("%s: cannot allocate periph for target %d lun %d\n",
676 		    sc->sc_dev.dv_xname, target, lun);
677 #endif
678 		return (ENOMEM);
679 	}
680 	periph->periph_channel = chan;
681 	periph->periph_switch = &scsi_probe_dev;
682 
683 	periph->periph_target = target;
684 	periph->periph_lun = lun;
685 	periph->periph_quirks = chan->chan_defquirks;
686 
687 #ifdef SCSIPI_DEBUG
688 	if (SCSIPI_DEBUG_TYPE == SCSIPI_BUSTYPE_SCSI &&
689 	    SCSIPI_DEBUG_TARGET == target &&
690 	    SCSIPI_DEBUG_LUN == lun)
691 		periph->periph_dbflags |= SCSIPI_DEBUG_FLAGS;
692 #endif
693 
694 	/*
695 	 * Ask the device what it is
696 	 */
697 	(void) scsipi_test_unit_ready(periph,
698 	    XS_CTL_DISCOVERY | XS_CTL_IGNORE_ILLEGAL_REQUEST |
699 	    XS_CTL_IGNORE_NOT_READY | XS_CTL_IGNORE_MEDIA_CHANGE);
700 
701 #ifdef SCSI_2_DEF
702 	/* some devices need to be told to go to SCSI2 */
703 	/* However some just explode if you tell them this.. leave it out */
704 	scsi_change_def(periph, XS_CTL_DISCOVERY | XS_CTL_SILENT);
705 #endif /* SCSI_2_DEF */
706 
707 	/* Now go ask the device all about itself. */
708 	memset(&inqbuf, 0, sizeof(inqbuf));
709 	if (scsipi_inquire(periph, &inqbuf,
710 	    XS_CTL_DISCOVERY | XS_CTL_DATA_ONSTACK) != 0)
711 		goto bad;
712 	{
713 		u_int8_t *extension = &inqbuf.flags1;
714 		int len = inqbuf.additional_length;
715 		while (len < 3)
716 			extension[len++] = '\0';
717 		while (len < 3 + 28)
718 			extension[len++] = ' ';
719 		while (len < 3 + 28 + 20)
720 			extension[len++] = '\0';
721 		while (len < 3 + 28 + 20 + 1)
722 			extension[len++] = '\0';
723 		while (len < 3 + 28 + 20 + 1 + 1)
724 			extension[len++] = '\0';
725 		while (len < 3 + 28 + 20 + 1 + 1 + (8*2))
726 			extension[len++] = ' ';
727 	}
728 
729 	periph->periph_type = inqbuf.device & SID_TYPE;
730 	if (inqbuf.dev_qual2 & SID_REMOVABLE)
731 		periph->periph_flags |= PERIPH_REMOVABLE;
732 	periph->periph_version = inqbuf.version & SID_ANSII;
733 
734 	/*
735 	 * Any device qualifier that has the top bit set (qualifier&4 != 0)
736 	 * is vendor specific and won't match in this switch.
737 	 * All we do here is throw out bad/negative responses.
738 	 */
739 	checkdtype = 0;
740 	switch (inqbuf.device & SID_QUAL) {
741 	case SID_QUAL_LU_PRESENT:
742 	case SID_QUAL_LU_NOTPRESENT:
743 		checkdtype = 1;
744 		break;
745 
746 	case SID_QUAL_reserved:
747 	case SID_QUAL_LU_NOT_SUPP:
748 		goto bad;
749 
750 	default:
751 		break;
752 	}
753 
754 	/* Let the adapter driver handle the device separatley if it wants. */
755 	if (chan->chan_adapter->adapt_accesschk != NULL &&
756 	    (*chan->chan_adapter->adapt_accesschk)(periph, &sa.sa_inqbuf))
757 		goto bad;
758 
759 	if (checkdtype) {
760 		switch (periph->periph_type) {
761 		case T_DIRECT:
762 		case T_SEQUENTIAL:
763 		case T_PRINTER:
764 		case T_PROCESSOR:
765 		case T_WORM:
766 		case T_CDROM:
767 		case T_SCANNER:
768 		case T_OPTICAL:
769 		case T_CHANGER:
770 		case T_COMM:
771 		case T_IT8_1:
772 		case T_IT8_2:
773 		case T_STORARRAY:
774 		case T_ENCLOSURE:
775 		case T_SIMPLE_DIRECT:
776 		case T_OPTIC_CARD_RW:
777 		case T_OBJECT_STORED:
778 		default:
779 			break;
780 		case T_NODEVICE:
781 			goto bad;
782 		}
783 	}
784 
785 	sa.sa_periph = periph;
786 	sa.sa_inqbuf.type = inqbuf.device;
787 	sa.sa_inqbuf.removable = inqbuf.dev_qual2 & SID_REMOVABLE ?
788 	    T_REMOV : T_FIXED;
789 	sa.sa_inqbuf.vendor = inqbuf.vendor;
790 	sa.sa_inqbuf.product = inqbuf.product;
791 	sa.sa_inqbuf.revision = inqbuf.revision;
792 	sa.scsipi_info.scsi_version = inqbuf.version;
793 	sa.sa_inqptr = &inqbuf;
794 
795 	finger = (struct scsi_quirk_inquiry_pattern *)scsipi_inqmatch(
796 	    &sa.sa_inqbuf, (caddr_t)scsi_quirk_patterns,
797 	    sizeof(scsi_quirk_patterns)/sizeof(scsi_quirk_patterns[0]),
798 	    sizeof(scsi_quirk_patterns[0]), &priority);
799 
800 	if (finger != NULL)
801 		quirks = finger->quirks;
802 	else
803 		quirks = 0;
804 
805 	/*
806 	 * Determine the operating mode capabilities of the device.
807 	 */
808 	if (periph->periph_version >= 2) {
809 		if ((inqbuf.flags3 & SID_CmdQue) != 0 &&
810 		    (quirks & PQUIRK_NOTAG) == 0)
811 			periph->periph_cap |= PERIPH_CAP_TQING;
812 		if ((inqbuf.flags3 & SID_Linked) != 0)
813 			periph->periph_cap |= PERIPH_CAP_LINKCMDS;
814 		if ((inqbuf.flags3 & SID_Sync) != 0 &&
815 		    (quirks & PQUIRK_NOSYNC) == 0)
816 			periph->periph_cap |= PERIPH_CAP_SYNC;
817 		if ((inqbuf.flags3 & SID_WBus16) != 0 &&
818 		    (quirks & PQUIRK_NOWIDE) == 0)
819 			periph->periph_cap |= PERIPH_CAP_WIDE16;
820 		if ((inqbuf.flags3 & SID_WBus32) != 0 &&
821 		    (quirks & PQUIRK_NOWIDE) == 0)
822 			periph->periph_cap |= PERIPH_CAP_WIDE32;
823 		if ((inqbuf.flags3 & SID_SftRe) != 0)
824 			periph->periph_cap |= PERIPH_CAP_SFTRESET;
825 		if ((inqbuf.flags3 & SID_RelAdr) != 0)
826 			periph->periph_cap |= PERIPH_CAP_RELADR;
827 	}
828 
829 	/*
830 	 * Now apply any quirks from the table.
831 	 */
832 	periph->periph_quirks |= quirks;
833 	if (periph->periph_version == 0 &&
834 	    (periph->periph_quirks & PQUIRK_FORCELUNS) == 0)
835 		periph->periph_quirks |= PQUIRK_NOLUNS;
836 
837 	if (periph->periph_quirks & PQUIRK_CDROM) {
838 		periph->periph_quirks ^= PQUIRK_CDROM;
839 		inqbuf.dev_qual2 |= SID_REMOVABLE;
840 		sa.sa_inqbuf.type = inqbuf.device = ((inqbuf.device & ~SID_REMOVABLE) | T_CDROM);
841 		sa.sa_inqbuf.removable = T_REMOV;
842 	}
843 
844 	if ((periph->periph_quirks & PQUIRK_NOLUNS) == 0)
845 		docontinue = 1;
846 
847 	if ((cf = config_search(scsibussubmatch, &sc->sc_dev, &sa)) != NULL) {
848 		scsipi_insert_periph(chan, periph);
849 		/*
850 		 * XXX Can't assign periph_dev here, because we'll
851 		 * XXX need it before config_attach() returns.  Must
852 		 * XXX assign it in periph driver.
853 		 */
854 		(void) config_attach(&sc->sc_dev, cf, &sa, scsibusprint);
855 	} else {
856 		scsibusprint(&sa, sc->sc_dev.dv_xname);
857 		printf(" not configured\n");
858 		goto bad;
859 	}
860 
861 	return (docontinue);
862 
863 bad:
864 	free(periph, M_DEVBUF);
865 	return (docontinue);
866 }
867 
868 /****** Entry points for user control of the SCSI bus. ******/
869 
870 int
871 scsibusopen(dev, flag, fmt, p)
872 	dev_t dev;
873 	int flag, fmt;
874 	struct proc *p;
875 {
876 	struct scsibus_softc *sc;
877 	int error, unit = minor(dev);
878 
879 	if (unit >= scsibus_cd.cd_ndevs ||
880 	    (sc = scsibus_cd.cd_devs[unit]) == NULL)
881 		return (ENXIO);
882 
883 	if (sc->sc_flags & SCSIBUSF_OPEN)
884 		return (EBUSY);
885 
886 	if ((error = scsipi_adapter_addref(sc->sc_channel->chan_adapter)) != 0)
887 		return (error);
888 
889 	sc->sc_flags |= SCSIBUSF_OPEN;
890 
891 	return (0);
892 }
893 
894 int
895 scsibusclose(dev, flag, fmt, p)
896 	dev_t dev;
897 	int flag, fmt;
898 	struct proc *p;
899 {
900 	struct scsibus_softc *sc = scsibus_cd.cd_devs[minor(dev)];
901 
902 	scsipi_adapter_delref(sc->sc_channel->chan_adapter);
903 
904 	sc->sc_flags &= ~SCSIBUSF_OPEN;
905 
906 	return (0);
907 }
908 
909 int
910 scsibusioctl(dev, cmd, addr, flag, p)
911 	dev_t dev;
912 	u_long cmd;
913 	caddr_t addr;
914 	int flag;
915 	struct proc *p;
916 {
917 	struct scsibus_softc *sc = scsibus_cd.cd_devs[minor(dev)];
918 	struct scsipi_channel *chan = sc->sc_channel;
919 	int error;
920 
921 	/*
922 	 * Enforce write permission for ioctls that change the
923 	 * state of the bus.  Host adapter specific ioctls must
924 	 * be checked by the adapter driver.
925 	 */
926 	switch (cmd) {
927 	case SCBUSIOSCAN:
928 	case SCBUSIODETACH:
929 	case SCBUSIORESET:
930 		if ((flag & FWRITE) == 0)
931 			return (EBADF);
932 	}
933 
934 	switch (cmd) {
935 	case SCBUSIOSCAN:
936 	    {
937 		struct scbusioscan_args *a =
938 		    (struct scbusioscan_args *)addr;
939 
940 		error = scsi_probe_bus(sc, a->sa_target, a->sa_lun);
941 		break;
942 	    }
943 
944 	case SCBUSIODETACH:
945 	    {
946 		struct scbusiodetach_args *a =
947 		    (struct scbusiodetach_args *)addr;
948 
949 		error = scsipi_target_detach(chan, a->sa_target, a->sa_lun, 0);
950 		break;
951 	    }
952 
953 
954 	case SCBUSIORESET:
955 		/* FALLTHROUGH */
956 	default:
957 		if (chan->chan_adapter->adapt_ioctl == NULL)
958 			error = ENOTTY;
959 		else
960 			error = (*chan->chan_adapter->adapt_ioctl)(chan,
961 			    cmd, addr, flag, p);
962 		break;
963 	}
964 
965 	return (error);
966 }
967