xref: /netbsd-src/sys/dev/scsipi/scsiconf.c (revision 5aefcfdc06931dd97e76246d2fe0302f7b3fe094)
1 /*	$NetBSD: scsiconf.c,v 1.153 2000/12/03 13:30:36 ad 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 	struct scsipi_link *sc_link;
326 	int maxtarget, mintarget, maxlun, minlun;
327 	u_int8_t scsi_addr;
328 	int error;
329 
330 	if (bus < 0 || bus >= scsibus_cd.cd_ndevs)
331 		return (ENXIO);
332 	scsi = scsibus_cd.cd_devs[bus];
333 	if (scsi == NULL)
334 		return (ENXIO);
335 
336 	sc_link = scsi->adapter_link;
337 	scsi_addr = sc_link->scsipi_scsi.adapter_target;
338 
339 	if (target == -1) {
340 		maxtarget = scsi->sc_maxtarget;
341 		mintarget = 0;
342 	} else {
343 		if (target < 0 || target > scsi->sc_maxtarget)
344 			return (EINVAL);
345 		maxtarget = mintarget = target;
346 	}
347 
348 	if (lun == -1) {
349 		maxlun = scsi->sc_maxlun;
350 		minlun = 0;
351 	} else {
352 		if (lun < 0 || lun > scsi->sc_maxlun)
353 			return (EINVAL);
354 		maxlun = minlun = lun;
355 	}
356 
357 	/*
358 	 * Some HBAs provide an abstracted view of the bus; give them an
359 	 * oppertunity to re-scan it before we do.
360 	 */
361 	if (sc_link->adapter->scsipi_ioctl != NULL)
362 		(*sc_link->adapter->scsipi_ioctl)(sc_link, SCBUSIOLLSCAN, NULL,
363 		    0, curproc);
364 
365 	if ((error = scsipi_adapter_addref(sc_link)) != 0)
366 		return (error);
367 	for (target = mintarget; target <= maxtarget; target++) {
368 		if (target == scsi_addr)
369 			continue;
370 		for (lun = minlun; lun <= maxlun; lun++) {
371 			/*
372 			 * See if there's a device present, and configure it.
373 			 */
374 			if (scsi_probedev(scsi, target, lun) == 0) {
375 				break;
376 			}
377 			/* otherwise something says we should look further */
378 		}
379 	}
380 	scsipi_adapter_delref(sc_link);
381 	return (0);
382 }
383 
384 /*
385  * Print out autoconfiguration information for a subdevice.
386  *
387  * This is a slight abuse of 'standard' autoconfiguration semantics,
388  * because 'print' functions don't normally print the colon and
389  * device information.  However, in this case that's better than
390  * either printing redundant information before the attach message,
391  * or having the device driver call a special function to print out
392  * the standard device information.
393  */
394 int
395 scsibusprint(aux, pnp)
396 	void *aux;
397 	const char *pnp;
398 {
399 	struct scsipibus_attach_args *sa = aux;
400 	struct scsipi_inquiry_pattern *inqbuf;
401 	u_int8_t type;
402 	char *dtype, *qtype;
403 	char vendor[33], product[65], revision[17];
404 	int target, lun;
405 
406 	if (pnp != NULL)
407 		printf("%s", pnp);
408 
409 	inqbuf = &sa->sa_inqbuf;
410 
411 	target = sa->sa_sc_link->scsipi_scsi.target;
412 	lun = sa->sa_sc_link->scsipi_scsi.lun;
413 
414 	type = inqbuf->type & SID_TYPE;
415 
416 	/*
417 	 * Figure out basic device type and qualifier.
418 	 */
419 	dtype = 0;
420 	switch (inqbuf->type & SID_QUAL) {
421 	case SID_QUAL_LU_OK:
422 		qtype = "";
423 		break;
424 
425 	case SID_QUAL_LU_OFFLINE:
426 		qtype = " offline";
427 		break;
428 
429 	case SID_QUAL_RSVD:
430 	case SID_QUAL_BAD_LU:
431 		panic("scsibusprint: impossible qualifier");
432 
433 	default:
434 		qtype = "";
435 		dtype = "vendor-unique";
436 		break;
437 	}
438 	if (dtype == 0)
439 		dtype = scsipi_dtype(type);
440 
441 	scsipi_strvis(vendor, 33, inqbuf->vendor, 8);
442 	scsipi_strvis(product, 65, inqbuf->product, 16);
443 	scsipi_strvis(revision, 17, inqbuf->revision, 4);
444 
445 	printf(" target %d lun %d: <%s, %s, %s> SCSI%d %d/%s %s%s",
446 	    target, lun, vendor, product, revision,
447 	    sa->scsipi_info.scsi_version & SID_ANSII, type, dtype,
448 	    inqbuf->removable ? "removable" : "fixed", qtype);
449 
450 	return (UNCONF);
451 }
452 
453 struct scsi_quirk_inquiry_pattern scsi_quirk_patterns[] = {
454 	{{T_CDROM, T_REMOV,
455 	 "CHINON  ", "CD-ROM CDS-431  ", ""},     SDEV_NOLUNS},
456 	{{T_CDROM, T_REMOV,
457 	 "Chinon  ", "CD-ROM CDS-525  ", ""},     SDEV_NOLUNS},
458 	{{T_CDROM, T_REMOV,
459 	 "CHINON  ", "CD-ROM CDS-535  ", ""},     SDEV_NOLUNS},
460 	{{T_CDROM, T_REMOV,
461 	 "DEC     ", "RRD42   (C) DEC ", ""},     SDEV_NOLUNS},
462 	{{T_CDROM, T_REMOV,
463 	 "DENON   ", "DRD-25X         ", "V"},    SDEV_NOLUNS},
464 	{{T_CDROM, T_REMOV,
465 	 "GENERIC ", "CRD-BP2         ", ""},     SDEV_NOLUNS},
466 	{{T_CDROM, T_REMOV,
467 	 "HP      ", "C4324/C4325     ", ""},     SDEV_NOLUNS},
468 	{{T_CDROM, T_REMOV,
469 	 "IMS     ", "CDD521/10       ", "2.06"}, SDEV_NOLUNS},
470 	{{T_CDROM, T_REMOV,
471 	 "MATSHITA", "CD-ROM CR-5XX   ", "1.0b"}, SDEV_NOLUNS},
472 	{{T_CDROM, T_REMOV,
473 	 "MEDAVIS ", "RENO CD-ROMX2A  ", ""},     SDEV_NOLUNS},
474 	{{T_CDROM, T_REMOV,
475 	 "MEDIAVIS", "CDR-H93MV       ", "1.3"},  SDEV_NOLUNS},
476 	{{T_CDROM, T_REMOV,
477 	 "NEC     ", "CD-ROM DRIVE:55 ", ""},     SDEV_NOLUNS},
478 	{{T_CDROM, T_REMOV,
479 	 "NEC     ", "CD-ROM DRIVE:83 ", ""},     SDEV_NOLUNS},
480 	{{T_CDROM, T_REMOV,
481 	 "NEC     ", "CD-ROM DRIVE:84 ", ""},     SDEV_NOLUNS},
482 	{{T_CDROM, T_REMOV,
483 	 "NEC     ", "CD-ROM DRIVE:841", ""},     SDEV_NOLUNS},
484 	{{T_CDROM, T_REMOV,
485 	 "PIONEER ", "CD-ROM DR-124X  ", "1.01"}, SDEV_NOLUNS},
486 	{{T_CDROM, T_REMOV,
487 	 "SONY    ", "CD-ROM CDU-541  ", ""},     SDEV_NOLUNS},
488 	{{T_CDROM, T_REMOV,
489 	 "SONY    ", "CD-ROM CDU-55S  ", ""},     SDEV_NOLUNS},
490 	{{T_CDROM, T_REMOV,
491 	 "SONY    ", "CD-ROM CDU-561  ", ""},     SDEV_NOLUNS},
492 	{{T_CDROM, T_REMOV,
493 	 "SONY    ", "CD-ROM CDU-8003A", ""},     SDEV_NOLUNS},
494 	{{T_CDROM, T_REMOV,
495 	 "SONY    ", "CD-ROM CDU-8012 ", ""},     SDEV_NOLUNS},
496 	{{T_CDROM, T_REMOV,
497 	 "TEAC    ", "CD-ROM          ", "1.06"}, SDEV_NOLUNS},
498 	{{T_CDROM, T_REMOV,
499 	 "TEAC    ", "CD-ROM CD-56S   ", "1.0B"}, SDEV_NOLUNS},
500 	{{T_CDROM, T_REMOV,
501 	 "TEXEL   ", "CD-ROM          ", "1.06"}, SDEV_NOLUNS},
502 	{{T_CDROM, T_REMOV,
503 	 "TEXEL   ", "CD-ROM DM-XX24 K", "1.09"}, SDEV_NOLUNS},
504 	{{T_CDROM, T_REMOV,
505 	 "TEXEL   ", "CD-ROM DM-XX24 K", "1.10"}, SDEV_NOLUNS},
506 	{{T_CDROM, T_REMOV,
507 	 "TOSHIBA ", "XM-4101TASUNSLCD", "1755"}, SDEV_NOLUNS|SDEV_NOSYNC},
508 	{{T_CDROM, T_REMOV,
509 	 "ShinaKen", "CD-ROM DM-3x1S", "1.04"}, SDEV_NOLUNS},
510 	{{T_CDROM, T_REMOV,
511 	 "JVC     ", "R2626",            ""},     SDEV_NOLUNS},
512 	{{T_CDROM, T_REMOV,
513 	 "YAMAHA", "CRW8424S",           ""},     SDEV_NOLUNS},
514 	{{T_DIRECT, T_FIXED,
515 	 "MICROP  ", "1588-15MBSUN0669", ""},     SDEV_AUTOSAVE},
516 	{{T_DIRECT, T_FIXED,
517 	 "MICROP  ", "2217-15MQ1091501", ""},     SDEV_NOSYNCCACHE},
518 	{{T_OPTICAL, T_REMOV,
519 	 "EPSON   ", "OMD-5010        ", "3.08"}, SDEV_NOLUNS},
520 
521 	{{T_DIRECT, T_FIXED,
522 	"TOSHIBA ", "CD-ROM XM-3401TA", "0283"}, SDEV_CDROM|SDEV_NOLUNS},
523 	{{T_DIRECT, T_FIXED,
524 	"TOSHIBA ", "CD-ROM DRIVE:XM", "1971"}, SDEV_CDROM|SDEV_NOLUNS},
525 	{{T_DIRECT, T_FIXED,
526 	 "ADAPTEC ", "AEC-4412BD",       "1.2A"}, SDEV_NOMODESENSE},
527 	{{T_DIRECT, T_FIXED,
528 	 "DEC     ", "RZ55     (C) DEC", ""},     SDEV_AUTOSAVE},
529 	{{T_DIRECT, T_FIXED,
530 	 "EMULEX  ", "MD21/S2     ESDI", "A00"},  SDEV_FORCELUNS|SDEV_AUTOSAVE},
531 	/* Gives non-media hardware failure in response to start-unit command */
532 	{{T_DIRECT, T_FIXED,
533 	 "HITACHI", "DK515C",		"CP16"},  SDEV_NOSTARTUNIT},
534 	{{T_DIRECT, T_FIXED,
535 	 "HITACHI", "DK515C",		"CP15"},  SDEV_NOSTARTUNIT},
536 	{{T_DIRECT, T_FIXED,
537 	 "HP      ", "C372",             ""},     SDEV_NOTAG},
538 	{{T_DIRECT, T_FIXED,
539 	 "IBMRAID ", "0662S",		 ""},     SDEV_AUTOSAVE},
540 	{{T_DIRECT, T_FIXED,
541 	 "IBM     ", "0663H",		 ""},     SDEV_AUTOSAVE},
542 	{{T_DIRECT, T_FIXED,
543 	 "IBM",	     "0664",		 ""},     SDEV_AUTOSAVE},
544 	{{T_DIRECT, T_FIXED,
545 	 "IBM     ", "H3171-S2",	 ""},	  SDEV_NOLUNS|SDEV_AUTOSAVE},
546 	{{T_DIRECT, T_FIXED,
547 	 "IBM     ", "KZ-C",		 ""},	  SDEV_AUTOSAVE},
548 	/* Broken IBM disk */
549 	{{T_DIRECT, T_FIXED,
550 	 ""	   , "DFRSS2F",		 ""},	  SDEV_AUTOSAVE},
551 	{{T_DIRECT, T_REMOV,
552 	 "MPL     ", "MC-DISK-        ", ""},     SDEV_NOLUNS},
553 	{{T_DIRECT, T_FIXED,
554 	 "MAXTOR  ", "XT-3280         ", ""},     SDEV_NOLUNS},
555 	{{T_DIRECT, T_FIXED,
556 	 "MAXTOR  ", "XT-4380S        ", ""},     SDEV_NOLUNS},
557 	{{T_DIRECT, T_FIXED,
558 	 "MAXTOR  ", "MXT-1240S       ", ""},     SDEV_NOLUNS},
559 	{{T_DIRECT, T_FIXED,
560 	 "MAXTOR  ", "XT-4170S        ", ""},     SDEV_NOLUNS},
561 	{{T_DIRECT, T_FIXED,
562 	 "MAXTOR  ", "XT-8760S",         ""},     SDEV_NOLUNS},
563 	{{T_DIRECT, T_FIXED,
564 	 "MAXTOR  ", "LXT-213S        ", ""},     SDEV_NOLUNS},
565 	{{T_DIRECT, T_FIXED,
566 	 "MAXTOR  ", "LXT-213S SUN0207", ""},     SDEV_NOLUNS},
567 	{{T_DIRECT, T_FIXED,
568 	 "MAXTOR  ", "LXT-200S        ", ""},     SDEV_NOLUNS},
569 	{{T_DIRECT, T_FIXED,
570 	 "MEGADRV ", "EV1000",           ""},     SDEV_NOMODESENSE},
571 	{{T_DIRECT, T_FIXED,
572 	 "MST     ", "SnapLink        ", ""},     SDEV_NOLUNS},
573 	{{T_DIRECT, T_FIXED,
574 	 "NEC     ", "D3847           ", "0307"}, SDEV_NOLUNS},
575 	{{T_DIRECT, T_FIXED,
576 	 "QUANTUM ", "ELS85S          ", ""},     SDEV_AUTOSAVE},
577 	{{T_DIRECT, T_FIXED,
578 	 "QUANTUM ", "LPS525S         ", ""},     SDEV_NOLUNS},
579 	{{T_DIRECT, T_FIXED,
580 	 "QUANTUM ", "P105S 910-10-94x", ""},     SDEV_NOLUNS},
581 	{{T_DIRECT, T_FIXED,
582 	 "QUANTUM ", "PD1225S         ", ""},     SDEV_NOLUNS},
583 	{{T_DIRECT, T_FIXED,
584 	 "QUANTUM ", "PD210S   SUN0207", ""},     SDEV_NOLUNS},
585 	{{T_DIRECT, T_FIXED,
586 	 "RODIME  ", "RO3000S         ", ""},     SDEV_NOLUNS},
587 	{{T_DIRECT, T_FIXED,
588 	 "SEAGATE ", "ST125N          ", ""},     SDEV_NOLUNS},
589 	{{T_DIRECT, T_FIXED,
590 	 "SEAGATE ", "ST157N          ", ""},     SDEV_NOLUNS},
591 	{{T_DIRECT, T_FIXED,
592 	 "SEAGATE ", "ST296           ", ""},     SDEV_NOLUNS},
593 	{{T_DIRECT, T_FIXED,
594 	 "SEAGATE ", "ST296N          ", ""},     SDEV_NOLUNS},
595 	{{T_DIRECT, T_FIXED,
596 	 "SEAGATE ", "ST19171",          ""},     SDEV_NOMODESENSE},
597 	{{T_DIRECT, T_FIXED,
598 	 "SEAGATE ", "ST34501FC       ", ""},     SDEV_NOMODESENSE},
599 	{{T_DIRECT, T_FIXED,
600 	 "TOSHIBA ", "MK538FB         ", "6027"}, SDEV_NOLUNS},
601 	{{T_DIRECT, T_REMOV,
602 	 "iomega", "jaz 1GB", 		 ""},	  SDEV_NOMODESENSE},
603 	{{T_DIRECT, T_REMOV,
604 	 "IOMEGA", "ZIP 100",		 ""},	  SDEV_NOMODESENSE},
605 	{{T_DIRECT, T_REMOV,
606 	 "IOMEGA", "ZIP 100",		 "J.03"}, SDEV_NOMODESENSE|SDEV_NOLUNS},
607 	/* Letting the motor run kills floppy drives and disks quite fast. */
608 	{{T_DIRECT, T_REMOV,
609 	 "TEAC", "FC-1",		 ""},	  SDEV_NOSTARTUNIT},
610 
611 	{{T_DIRECT, T_REMOV,
612 	 "Y-E DATA", "USB-FDU",		 "3.04"}, SDEV_NOMODESENSE},
613 	{{T_DIRECT, T_REMOV,
614 	 "TEAC", "FD-05PUB",		 "1026"}, SDEV_NOMODESENSE},
615 
616 	/* XXX: QIC-36 tape behind Emulex adapter.  Very broken. */
617 	{{T_SEQUENTIAL, T_REMOV,
618 	 "        ", "                ", "    "}, SDEV_NOLUNS},
619 	{{T_SEQUENTIAL, T_REMOV,
620 	 "CALIPER ", "CP150           ", ""},     SDEV_NOLUNS},
621 	{{T_SEQUENTIAL, T_REMOV,
622 	 "EXABYTE ", "EXB-8200        ", ""},     SDEV_NOLUNS},
623 	{{T_SEQUENTIAL, T_REMOV,
624 	 "SONY    ", "GY-10C          ", ""},     SDEV_NOLUNS},
625 	{{T_SEQUENTIAL, T_REMOV,
626 	 "SONY    ", "SDT-2000        ", "2.09"}, SDEV_NOLUNS},
627 	{{T_SEQUENTIAL, T_REMOV,
628 	 "SONY    ", "SDT-5000        ", "3."},   SDEV_NOSYNC|SDEV_NOWIDE},
629 	{{T_SEQUENTIAL, T_REMOV,
630 	 "SONY    ", "SDT-5200        ", "3."},   SDEV_NOLUNS},
631 	{{T_SEQUENTIAL, T_REMOV,
632 	 "TANDBERG", " TDC 3600       ", ""},     SDEV_NOLUNS},
633 	/* Following entry reported as a Tandberg 3600; ref. PR1933 */
634 	{{T_SEQUENTIAL, T_REMOV,
635 	 "ARCHIVE ", "VIPER 150  21247", ""},     SDEV_NOLUNS},
636 	/* Following entry for a Cipher ST150S; ref. PR4171 */
637 	{{T_SEQUENTIAL, T_REMOV,
638 	 "ARCHIVE ", "VIPER 1500 21247", "2.2G"}, SDEV_NOLUNS},
639 	{{T_SEQUENTIAL, T_REMOV,
640 	 "ARCHIVE ", "Python 28454-XXX", ""},     SDEV_NOLUNS},
641 	{{T_SEQUENTIAL, T_REMOV,
642 	 "WANGTEK ", "5099ES SCSI",      ""},     SDEV_NOLUNS},
643 	{{T_SEQUENTIAL, T_REMOV,
644 	 "WANGTEK ", "5150ES SCSI",      ""},     SDEV_NOLUNS},
645 	{{T_SEQUENTIAL, T_REMOV,
646 	 "WANGTEK ", "SCSI-36",		 ""},     SDEV_NOLUNS},
647 	{{T_SEQUENTIAL, T_REMOV,
648 	 "WangDAT ", "Model 1300      ", "02.4"}, SDEV_NOSYNC|SDEV_NOWIDE},
649 	{{T_SEQUENTIAL, T_REMOV,
650 	 "WangDAT ", "Model 2600      ", "01.7"}, SDEV_NOSYNC|SDEV_NOWIDE},
651 	{{T_SEQUENTIAL, T_REMOV,
652 	 "WangDAT ", "Model 3200      ", "02.2"}, SDEV_NOSYNC|SDEV_NOWIDE},
653 	{{T_SEQUENTIAL, T_REMOV,
654 	 "TEAC    ", "MT-2ST/N50      ", ""},     SDEV_NOLUNS},
655 
656 	{{T_SCANNER, T_FIXED,
657 	 "RICOH   ", "IS60            ", "1R08"}, SDEV_NOLUNS},
658 	{{T_SCANNER, T_FIXED,
659 	 "UMAX    ", "Astra 1200S     ", "V2.9"}, SDEV_NOLUNS},
660 	{{T_SCANNER, T_FIXED,
661 	 "UMAX    ", "Astra 1220S     ", ""}, SDEV_NOLUNS},
662 	{{T_SCANNER, T_FIXED,
663 	 "UMAX    ", "UMAX S-6E       ", "V2.0"}, SDEV_NOLUNS},
664 	{{T_SCANNER, T_FIXED,
665 	 "UMAX    ", "UMAX S-12       ", "V2.1"}, SDEV_NOLUNS},
666 	{{T_SCANNER, T_FIXED,
667 	 "ULTIMA  ", "A6000C          ", ""}, SDEV_NOLUNS},
668 	{{T_PROCESSOR, T_FIXED,
669 	 "SYMBIOS", "", ""},     SDEV_NOLUNS},
670 	{{T_PROCESSOR, T_FIXED,
671 	 "LITRONIC", "PCMCIA          ", ""},     SDEV_NOLUNS},
672 	{{T_CHANGER, T_REMOV,
673 	 "SONY    ", "CDL1100         ", ""},     SDEV_NOLUNS},
674 	{{T_ENCLOSURE, T_FIXED,
675 	 "SUN     ", "SENA            ", ""},     SDEV_NOLUNS},
676 };
677 
678 /*
679  * given a target and lun, ask the device what
680  * it is, and find the correct driver table
681  * entry.
682  */
683 int
684 scsi_probedev(scsi, target, lun)
685 	struct scsibus_softc *scsi;
686 	int target, lun;
687 {
688 	struct scsipi_link *sc_link;
689 	struct scsipi_inquiry_data inqbuf;
690 	struct scsi_quirk_inquiry_pattern *finger;
691 	int checkdtype, priority, docontinue;
692 	struct scsipibus_attach_args sa;
693 	struct cfdata *cf;
694 
695 	/*
696 	 * Assume no more luns to search after this one.
697 	 * If we successfully get Inquiry data and after
698 	 * merging quirks we find we can probe for more
699 	 * luns, we will.
700 	 */
701 	docontinue = 0;
702 
703 	/* Skip this slot if it is already attached. */
704 	if (scsi->sc_link[target][lun] != NULL)
705 		return (docontinue);
706 
707 	sc_link = malloc(sizeof(*sc_link), M_DEVBUF, M_NOWAIT);
708 	*sc_link = *scsi->adapter_link;
709 	sc_link->active = 0;
710 	sc_link->scsipi_scsi.target = target;
711 	sc_link->scsipi_scsi.lun = lun;
712 	sc_link->device = &probe_switch;
713 	TAILQ_INIT(&sc_link->pending_xfers);
714 
715 	/*
716 	 * Ask the device what it is
717 	 */
718 #if defined(SCSIDEBUG) && DEBUGTYPE == BUS_SCSI
719 	if (target == DEBUGTARGET && lun == DEBUGLUN)
720 		sc_link->flags |= DEBUGLEVEL;
721 #endif /* SCSIDEBUG */
722 
723 	(void) scsipi_test_unit_ready(sc_link,
724 	    XS_CTL_DISCOVERY | XS_CTL_IGNORE_ILLEGAL_REQUEST |
725 	    XS_CTL_IGNORE_NOT_READY | XS_CTL_IGNORE_MEDIA_CHANGE);
726 
727 #ifdef SCSI_2_DEF
728 	/* some devices need to be told to go to SCSI2 */
729 	/* However some just explode if you tell them this.. leave it out */
730 	scsi_change_def(sc_link, XS_CTL_DISCOVERY | XS_CTL_SILENT);
731 #endif /* SCSI_2_DEF */
732 
733 	/* Now go ask the device all about itself. */
734 	bzero(&inqbuf, sizeof(inqbuf));
735 	if (scsipi_inquire(sc_link, &inqbuf,
736 	    XS_CTL_DISCOVERY | XS_CTL_DATA_ONSTACK) != 0)
737 		goto bad;
738 
739 	{
740 		u_int8_t *extension = &inqbuf.flags1;
741 		int len = inqbuf.additional_length;
742 		while (len < 3)
743 			extension[len++] = '\0';
744 		while (len < 3 + 28)
745 			extension[len++] = ' ';
746 		while (len < 3 + 28 + 20)
747 			extension[len++] = '\0';
748 		while (len < 3 + 28 + 20 + 1)
749 			extension[len++] = '\0';
750 		while (len < 3 + 28 + 20 + 1 + 1)
751 			extension[len++] = '\0';
752 		while (len < 3 + 28 + 20 + 1 + 1 + (8*2))
753 			extension[len++] = ' ';
754 	}
755 
756 	sa.sa_sc_link = sc_link;
757 	sa.sa_inqbuf.type = inqbuf.device;
758 	sa.sa_inqbuf.removable = inqbuf.dev_qual2 & SID_REMOVABLE ?
759 	    T_REMOV : T_FIXED;
760 	sa.sa_inqbuf.vendor = inqbuf.vendor;
761 	sa.sa_inqbuf.product = inqbuf.product;
762 	sa.sa_inqbuf.revision = inqbuf.revision;
763 	sa.scsipi_info.scsi_version = inqbuf.version;
764 	sa.sa_inqptr = &inqbuf;
765 
766 	finger = (struct scsi_quirk_inquiry_pattern *)scsipi_inqmatch(
767 	    &sa.sa_inqbuf, (caddr_t)scsi_quirk_patterns,
768 	    sizeof(scsi_quirk_patterns)/sizeof(scsi_quirk_patterns[0]),
769 	    sizeof(scsi_quirk_patterns[0]), &priority);
770 
771 	/*
772 	 * Based upon the inquiry flags we got back, and if we're
773 	 * at SCSI-2 or better, set some limiting quirks.
774 	 */
775 	if ((inqbuf.version & SID_ANSII) >= 2) {
776 		if ((inqbuf.flags3 & SID_CmdQue) == 0)
777 			sc_link->quirks |= SDEV_NOTAG;
778 		if ((inqbuf.flags3 & SID_Sync) == 0)
779 			sc_link->quirks |= SDEV_NOSYNC;
780 		if ((inqbuf.flags3 & SID_WBus16) == 0)
781 			sc_link->quirks |= SDEV_NOWIDE;
782 	}
783 	/*
784 	 * Now apply any quirks from the table.
785 	 */
786 	if (priority != 0)
787 		sc_link->quirks |= finger->quirks;
788 	if ((inqbuf.version & SID_ANSII) == 0 &&
789 	    (sc_link->quirks & SDEV_FORCELUNS) == 0)
790 		sc_link->quirks |= SDEV_NOLUNS;
791 	sc_link->scsipi_scsi.scsi_version = inqbuf.version;
792 
793 	if (sc_link->quirks & SDEV_CDROM) {
794 		sc_link->quirks ^= SDEV_CDROM;
795 		inqbuf.dev_qual2 |= SID_REMOVABLE;
796 		sa.sa_inqbuf.type = inqbuf.device = ((inqbuf.device & ~SID_REMOVABLE) | T_CDROM);
797 		sa.sa_inqbuf.removable = T_REMOV;
798 
799 	}
800 
801 	if ((sc_link->quirks & SDEV_NOLUNS) == 0)
802 		docontinue = 1;
803 
804 	/*
805 	 * note what BASIC type of device it is
806 	 */
807 	if ((inqbuf.dev_qual2 & SID_REMOVABLE) != 0)
808 		sc_link->flags |= SDEV_REMOVABLE;
809 
810 	/*
811 	 * Any device qualifier that has the top bit set (qualifier&4 != 0)
812 	 * is vendor specific and won't match in this switch.
813 	 * All we do here is throw out bad/negative responses.
814 	 */
815 	checkdtype = 0;
816 	switch (inqbuf.device & SID_QUAL) {
817 	case SID_QUAL_LU_OK:
818 	case SID_QUAL_LU_OFFLINE:
819 		checkdtype = 1;
820 		break;
821 
822 	case SID_QUAL_RSVD:
823 	case SID_QUAL_BAD_LU:
824 		goto bad;
825 
826 	default:
827 		break;
828 	}
829 
830 	/* Let the adapter driver handle the device separatley if it wants. */
831 	if (sc_link->adapter->scsipi_accesschk != NULL &&
832 	    (*sc_link->adapter->scsipi_accesschk)(sc_link, &sa.sa_inqbuf))
833 		goto bad;
834 
835 	if (checkdtype) {
836 		switch (inqbuf.device & SID_TYPE) {
837 		case T_DIRECT:
838 		case T_SEQUENTIAL:
839 		case T_PRINTER:
840 		case T_PROCESSOR:
841 		case T_WORM:
842 		case T_CDROM:
843 		case T_SCANNER:
844 		case T_OPTICAL:
845 		case T_CHANGER:
846 		case T_COMM:
847 		case T_IT8_1:
848 		case T_IT8_2:
849 		case T_STORARRAY:
850 		case T_ENCLOSURE:
851 		case T_SIMPLE_DIRECT:
852 		case T_OPTIC_CARD_RW:
853 		case T_OBJECT_STORED:
854 		default:
855 			break;
856 		case T_NODEVICE:
857 			goto bad;
858 		}
859 		/*
860 		 * At this point we can also tell the adapter that it
861 		 * may negotiate things as appropriate.
862 		 */
863 		if (sc_link->adapter->scsipi_ioctl) {
864 			struct scbusaccel_args s;
865 			s.sa_target = target;
866 			s.sa_lun = lun;
867 			s.sa_flags = 0;
868 			if ((sc_link->quirks & SDEV_NOTAG) == 0)
869 				s.sa_flags |= SC_ACCEL_TAGS;
870 			if ((sc_link->quirks & SDEV_NOSYNC) == 0)
871 				s.sa_flags |= SC_ACCEL_SYNC;
872 			if ((sc_link->quirks & SDEV_NOWIDE) == 0)
873 				s.sa_flags |= SC_ACCEL_WIDE;
874 			(void) (*sc_link->adapter->scsipi_ioctl)
875 			    (sc_link, SCBUSACCEL, (caddr_t)&s, FWRITE, curproc);
876 		}
877 	}
878 
879 	if ((cf = config_search(scsibussubmatch, (struct device *)scsi,
880 	    &sa)) != NULL) {
881 		scsi->sc_link[target][lun] = sc_link;
882 		config_attach((struct device *)scsi, cf, &sa, scsibusprint);
883 	} else {
884 		scsibusprint(&sa, scsi->sc_dev.dv_xname);
885 		printf(" not configured\n");
886 		goto bad;
887 	}
888 
889 	return (docontinue);
890 
891 bad:
892 	free(sc_link, M_DEVBUF);
893 	return (docontinue);
894 }
895 
896 /****** Entry points for user control of the SCSI bus. ******/
897 
898 int
899 scsibusopen(dev, flag, fmt, p)
900 	dev_t dev;
901 	int flag, fmt;
902 	struct proc *p;
903 {
904 	struct scsibus_softc *sc;
905 	int error, unit = minor(dev);
906 
907 	if (unit >= scsibus_cd.cd_ndevs ||
908 	    (sc = scsibus_cd.cd_devs[unit]) == NULL)
909 		return (ENXIO);
910 
911 	if (sc->sc_flags & SCSIBUSF_OPEN)
912 		return (EBUSY);
913 
914 	if ((error = scsipi_adapter_addref(sc->adapter_link)) != 0)
915 		return (error);
916 
917 	sc->sc_flags |= SCSIBUSF_OPEN;
918 
919 	return (0);
920 }
921 
922 int
923 scsibusclose(dev, flag, fmt, p)
924 	dev_t dev;
925 	int flag, fmt;
926 	struct proc *p;
927 {
928 	struct scsibus_softc *sc = scsibus_cd.cd_devs[minor(dev)];
929 
930 	scsipi_adapter_delref(sc->adapter_link);
931 
932 	sc->sc_flags &= ~SCSIBUSF_OPEN;
933 
934 	return (0);
935 }
936 
937 int
938 scsibusioctl(dev, cmd, addr, flag, p)
939 	dev_t dev;
940 	u_long cmd;
941 	caddr_t addr;
942 	int flag;
943 	struct proc *p;
944 {
945 	struct scsibus_softc *sc = scsibus_cd.cd_devs[minor(dev)];
946 	struct scsipi_link *sc_link = sc->adapter_link;
947 	int error;
948 
949 	/*
950 	 * Enforce write permission for ioctls that change the
951 	 * state of the bus.  Host adapter specific ioctls must
952 	 * be checked by the adapter driver.
953 	 */
954 	switch (cmd) {
955 	case SCBUSIOSCAN:
956 	case SCBUSIORESET:
957 		if ((flag & FWRITE) == 0)
958 			return (EBADF);
959 	}
960 
961 	switch (cmd) {
962 	case SCBUSIOSCAN:
963 	    {
964 		struct scbusioscan_args *a =
965 		    (struct scbusioscan_args *)addr;
966 
967 		/* XXX Change interface to this function. */
968 		error = scsi_probe_busses(minor(dev), a->sa_target,
969 		    a->sa_lun);
970 		break;
971 	    }
972 
973 	case SCBUSIORESET:
974 		/* FALLTHROUGH */
975 	default:
976 		if (sc_link->adapter->scsipi_ioctl == NULL)
977 			error = ENOTTY;
978 		else
979 			error = (*sc_link->adapter->scsipi_ioctl)(sc_link,
980 			    cmd, addr, flag, p);
981 		break;
982 	}
983 
984 	return (error);
985 }
986