1 /* $NetBSD: scsiconf.c,v 1.306 2024/11/22 06:52:57 mlelstv Exp $ */
2
3 /*-
4 * Copyright (c) 1998, 1999, 2004 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 *
20 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30 * POSSIBILITY OF SUCH DAMAGE.
31 */
32
33 /*
34 * Originally written by Julian Elischer (julian@tfs.com)
35 * for TRW Financial Systems for use under the MACH(2.5) operating system.
36 *
37 * TRW Financial Systems, in accordance with their agreement with Carnegie
38 * Mellon University, makes this software available to CMU to distribute
39 * or use in any manner that they see fit as long as this message is kept with
40 * the software. For this reason TFS also grants any other persons or
41 * organisations permission to use or modify this software.
42 *
43 * TFS supplies this software to be publicly redistributed
44 * on the understanding that TFS is not responsible for the correct
45 * functioning of this software in any circumstances.
46 *
47 * Ported to run under 386BSD by Julian Elischer (julian@tfs.com) Sept 1992
48 */
49
50 #include <sys/cdefs.h>
51 __KERNEL_RCSID(0, "$NetBSD: scsiconf.c,v 1.306 2024/11/22 06:52:57 mlelstv Exp $");
52
53 #include <sys/param.h>
54 #include <sys/systm.h>
55 #include <sys/kernel.h>
56 #include <sys/proc.h>
57 #include <sys/kthread.h>
58 #include <sys/malloc.h>
59 #include <sys/mutex.h>
60 #include <sys/once.h>
61 #include <sys/device.h>
62 #include <sys/conf.h>
63 #include <sys/fcntl.h>
64 #include <sys/scsiio.h>
65 #include <sys/queue.h>
66 #include <sys/atomic.h>
67 #include <sys/kmem.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 static const struct scsipi_periphsw scsi_probe_dev = {
76 NULL,
77 NULL,
78 NULL,
79 NULL,
80 };
81
82 struct scsi_initq {
83 struct scsipi_channel *sc_channel;
84 TAILQ_ENTRY(scsi_initq) scsi_initq;
85 };
86
87 static ONCE_DECL(scsi_conf_ctrl);
88 static TAILQ_HEAD(, scsi_initq) scsi_initq_head;
89 static kmutex_t scsibus_qlock;
90 static kcondvar_t scsibus_qcv;
91
92 static int scsi_probe_device(struct scsibus_softc *, int, int);
93
94 static int scsibusmatch(device_t, cfdata_t, void *);
95 static void scsibusattach(device_t, device_t, void *);
96 static int scsibusdetach(device_t, int flags);
97 static int scsibusrescan(device_t, const char *, const int *);
98 static void scsidevdetached(device_t, device_t);
99
100 CFATTACH_DECL3_NEW(scsibus, sizeof(struct scsibus_softc),
101 scsibusmatch, scsibusattach, scsibusdetach, NULL,
102 scsibusrescan, scsidevdetached, DVF_DETACH_SHUTDOWN);
103
104 extern struct cfdriver scsibus_cd;
105
106 static dev_type_open(scsibusopen);
107 static dev_type_close(scsibusclose);
108 static dev_type_ioctl(scsibusioctl);
109
110 const struct cdevsw scsibus_cdevsw = {
111 .d_open = scsibusopen,
112 .d_close = scsibusclose,
113 .d_read = noread,
114 .d_write = nowrite,
115 .d_ioctl = scsibusioctl,
116 .d_stop = nostop,
117 .d_tty = notty,
118 .d_poll = nopoll,
119 .d_mmap = nommap,
120 .d_kqfilter = nokqfilter,
121 .d_discard = nodiscard,
122 .d_flag = D_OTHER | D_MPSAFE
123 };
124
125 static int scsibusprint(void *, const char *);
126 static void scsibus_discover_thread(void *);
127 static void scsibus_config(struct scsibus_softc *);
128
129 static int
scsibus_init(void)130 scsibus_init(void)
131 {
132
133 TAILQ_INIT(&scsi_initq_head);
134 mutex_init(&scsibus_qlock, MUTEX_DEFAULT, IPL_NONE);
135 cv_init(&scsibus_qcv, "scsinitq");
136 return 0;
137 }
138
139 static int
scsibusmatch(device_t parent,cfdata_t cf,void * aux)140 scsibusmatch(device_t parent, cfdata_t cf, void *aux)
141 {
142 struct scsipi_channel *chan = aux;
143
144 if (SCSIPI_BUSTYPE_TYPE(chan->chan_bustype->bustype_type) !=
145 SCSIPI_BUSTYPE_SCSI)
146 return 0;
147
148 if (cf->cf_loc[SCSICF_CHANNEL] != chan->chan_channel &&
149 cf->cf_loc[SCSICF_CHANNEL] != SCSICF_CHANNEL_DEFAULT)
150 return (0);
151
152 return (1);
153 }
154
155 static void
scsibusattach(device_t parent,device_t self,void * aux)156 scsibusattach(device_t parent, device_t self, void *aux)
157 {
158 struct scsibus_softc *sc = device_private(self);
159 struct scsipi_channel *chan = aux;
160 struct scsi_initq *scsi_initq;
161
162 if (!pmf_device_register(self, NULL, NULL))
163 aprint_error_dev(self, "couldn't establish power handler\n");
164
165 sc->sc_dev = self;
166 sc->sc_channel = chan;
167 chan->chan_name = device_xname(sc->sc_dev);
168
169 aprint_naive(": SCSI bus\n");
170 aprint_normal(": %d target%s, %d lun%s per target\n",
171 chan->chan_ntargets,
172 chan->chan_ntargets == 1 ? "" : "s",
173 chan->chan_nluns,
174 chan->chan_nluns == 1 ? "" : "s");
175
176 /*
177 * XXX
178 * newer adapters support more than 256 outstanding commands
179 * per periph and don't use the tag (they eventually allocate one
180 * internally). Right now scsipi always allocate a tag and
181 * is limited to 256 tags, per scsi specs.
182 * this should be revisited
183 */
184 if (chan->chan_flags & SCSIPI_CHAN_OPENINGS) {
185 if (chan->chan_max_periph > 256)
186 chan->chan_max_periph = 256;
187 } else {
188 if (chan->chan_adapter->adapt_max_periph > 256)
189 chan->chan_adapter->adapt_max_periph = 256;
190 }
191
192 if (atomic_inc_uint_nv(&chan_running(chan)) == 1)
193 mutex_init(chan_mtx(chan), MUTEX_DEFAULT, IPL_BIO);
194
195 cv_init(&chan->chan_cv_thr, "scshut");
196 cv_init(&chan->chan_cv_comp, "sccomp");
197 cv_init(&chan->chan_cv_xs, "xscmd");
198
199 if (scsipi_adapter_addref(chan->chan_adapter))
200 return;
201
202 RUN_ONCE(&scsi_conf_ctrl, scsibus_init);
203
204 /* Initialize the channel structure first */
205 chan->chan_init_cb = NULL;
206 chan->chan_init_cb_arg = NULL;
207
208 scsi_initq = malloc(sizeof(struct scsi_initq), M_DEVBUF, M_WAITOK);
209 scsi_initq->sc_channel = chan;
210 TAILQ_INSERT_TAIL(&scsi_initq_head, scsi_initq, scsi_initq);
211 config_pending_incr(sc->sc_dev);
212 if (scsipi_channel_init(chan)) {
213 aprint_error_dev(sc->sc_dev, "failed to init channel\n");
214 return;
215 }
216
217 /*
218 * Create the discover thread
219 */
220 if (kthread_create(PRI_NONE, 0, NULL, scsibus_discover_thread, sc,
221 &chan->chan_dthread, "%s-d", chan->chan_name)) {
222 aprint_error_dev(sc->sc_dev, "unable to create discovery "
223 "thread for channel %d\n", chan->chan_channel);
224 return;
225 }
226 }
227
228 static void
scsibus_discover_thread(void * arg)229 scsibus_discover_thread(void *arg)
230 {
231 struct scsibus_softc *sc = arg;
232
233 scsibus_config(sc);
234 sc->sc_channel->chan_dthread = NULL;
235 kthread_exit(0);
236 }
237
238 static void
scsibus_config(struct scsibus_softc * sc)239 scsibus_config(struct scsibus_softc *sc)
240 {
241 struct scsipi_channel *chan = sc->sc_channel;
242 struct scsi_initq *scsi_initq;
243
244 #ifndef SCSI_DELAY
245 #define SCSI_DELAY 2
246 #endif
247 if ((chan->chan_flags & SCSIPI_CHAN_NOSETTLE) == 0 &&
248 SCSI_DELAY > 0) {
249 aprint_normal_dev(sc->sc_dev,
250 "waiting %d seconds for devices to settle...\n",
251 SCSI_DELAY);
252 /* ...an identifier we know no one will use... */
253 kpause("scsidly", false, SCSI_DELAY * hz, NULL);
254 }
255
256 /* Make sure the devices probe in scsibus order to avoid jitter. */
257 mutex_enter(&scsibus_qlock);
258 for (;;) {
259 scsi_initq = TAILQ_FIRST(&scsi_initq_head);
260 if (scsi_initq->sc_channel == chan)
261 break;
262 cv_wait(&scsibus_qcv, &scsibus_qlock);
263 }
264 mutex_exit(&scsibus_qlock);
265
266 scsi_probe_bus(sc, -1, -1);
267
268 mutex_enter(&scsibus_qlock);
269 TAILQ_REMOVE(&scsi_initq_head, scsi_initq, scsi_initq);
270 cv_broadcast(&scsibus_qcv);
271 mutex_exit(&scsibus_qlock);
272
273 free(scsi_initq, M_DEVBUF);
274
275 scsipi_adapter_delref(chan->chan_adapter);
276
277 config_pending_decr(sc->sc_dev);
278 }
279
280 static int
scsibusdetach(device_t self,int flags)281 scsibusdetach(device_t self, int flags)
282 {
283 struct scsibus_softc *sc = device_private(self);
284 struct scsipi_channel *chan = sc->sc_channel;
285 int error;
286
287 /*
288 * Defer while discovery thread is running
289 */
290 while (chan->chan_dthread != NULL)
291 kpause("scsibusdet", false, hz, NULL);
292
293 /*
294 * Detach all of the periphs.
295 */
296 error = scsipi_target_detach(chan, -1, -1, flags);
297 if (error)
298 return error;
299
300 pmf_device_deregister(self);
301
302 /*
303 * Shut down the channel.
304 */
305 scsipi_channel_shutdown(chan);
306
307 cv_destroy(&chan->chan_cv_xs);
308 cv_destroy(&chan->chan_cv_comp);
309 cv_destroy(&chan->chan_cv_thr);
310
311 membar_release();
312 if (atomic_dec_uint_nv(&chan_running(chan)) == 0) {
313 membar_acquire();
314 mutex_destroy(chan_mtx(chan));
315 }
316
317 return 0;
318 }
319
320 static int
lun_compar(const void * a,const void * b)321 lun_compar(const void *a, const void *b)
322 {
323 const uint16_t * const la = a, * const lb = b;
324
325 if (*la < *lb)
326 return -1;
327 if (*la > *lb)
328 return 1;
329 return 0;
330 }
331
332 static int
scsi_report_luns(struct scsibus_softc * sc,int target,uint16_t ** const luns,size_t * nluns)333 scsi_report_luns(struct scsibus_softc *sc, int target,
334 uint16_t ** const luns, size_t *nluns)
335 {
336 struct scsi_report_luns replun;
337 struct scsi_report_luns_header *rlr;
338 struct scsi_report_luns_lun *lunp;
339
340 struct scsipi_channel *chan = sc->sc_channel;
341 struct scsipi_inquiry_data inqbuf;
342 struct scsipi_periph *periph;
343 uint16_t tmp;
344
345 int error;
346 size_t i, rlrlen, rlrlenmin;
347
348 memset(&replun, 0, sizeof(replun));
349
350 periph = scsipi_alloc_periph(M_WAITOK);
351 periph->periph_channel = chan;
352 periph->periph_switch = &scsi_probe_dev;
353
354 periph->periph_target = target;
355 periph->periph_lun = 0;
356 periph->periph_quirks = chan->chan_defquirks;
357
358 if ((error = scsipi_inquire(periph, &inqbuf,
359 XS_CTL_DISCOVERY | XS_CTL_SILENT)))
360 goto end2;
361 periph->periph_version = inqbuf.version & SID_ANSII;
362 if (periph->periph_version < 3) {
363 error = ENOTSUP;
364 goto end2;
365 }
366
367 rlrlen = rlrlenmin = sizeof(*rlr) + sizeof(*lunp) * 1;
368
369 again:
370 rlr = kmem_zalloc(rlrlen, KM_SLEEP);
371
372 replun.opcode = SCSI_REPORT_LUNS;
373 replun.selectreport = SELECTREPORT_NORMAL;
374 _lto4b(rlrlen, replun.alloclen);
375
376 error = scsipi_command(periph, (void *)&replun, sizeof(replun),
377 (void *)rlr, rlrlen, SCSIPIRETRIES, 10000, NULL,
378 XS_CTL_DATA_IN | XS_CTL_DISCOVERY | XS_CTL_SILENT);
379 if (error)
380 goto end;
381
382 if (sizeof(*rlr) + _4btol(rlr->length) > rlrlen) {
383 const size_t old_rlrlen = rlrlen;
384 rlrlen = sizeof(*rlr) + uimin(_4btol(rlr->length),
385 16383 * sizeof(*lunp));
386 kmem_free(rlr, old_rlrlen);
387 rlr = NULL;
388 if (rlrlen < rlrlenmin) {
389 error = EIO;
390 goto end;
391 }
392 goto again;
393 }
394
395 KASSERT(nluns != NULL);
396 *nluns = (rlrlen - sizeof(*rlr)) / sizeof(*lunp);
397
398 KASSERT(luns != NULL);
399 *luns = kmem_alloc(*nluns * sizeof(**luns), KM_SLEEP);
400
401 for (i = 0; i < *nluns; i++) {
402 lunp = &((struct scsi_report_luns_lun *)&rlr[1])[i];
403 switch (lunp->lun[0] & 0xC0) {
404 default:
405 scsi_print_addr(periph);
406 printf("LUN %016"PRIx64" ignored\n", _8btol(lunp->lun));
407 (*luns)[i] = 0;
408 break;
409 case 0x40:
410 (*luns)[i] = _2btol(&lunp->lun[0]) & 0x3FFF;
411 break;
412 case 0x00:
413 (*luns)[i] = _2btol(&lunp->lun[0]) & 0x00FF;
414 break;
415 }
416 }
417
418 kheapsort(*luns, *nluns, sizeof(**luns), lun_compar, &tmp);
419
420 end:
421 if (rlr)
422 kmem_free(rlr, rlrlen);
423 end2:
424 scsipi_free_periph(periph);
425 return error;
426 }
427
428 static void
scsi_discover_luns(struct scsibus_softc * sc,int target,int minlun,int maxlun)429 scsi_discover_luns(struct scsibus_softc *sc, int target, int minlun, int maxlun)
430 {
431 uint16_t *luns = NULL; /* XXX gcc */
432 size_t nluns = 0; /* XXX gcc */
433
434 if (scsi_report_luns(sc, target, &luns, &nluns) == 0) {
435 for (size_t i = 0; i < nluns; i++)
436 if (luns[i] >= minlun && luns[i] <= maxlun)
437 scsi_probe_device(sc, target, luns[i]);
438 kmem_free(luns, sizeof(*luns) * nluns);
439 return;
440 }
441
442 for (int lun = minlun; lun <= maxlun; lun++) {
443 /*
444 * See if there's a device present, and configure it.
445 */
446 if (scsi_probe_device(sc, target, lun) == 0)
447 break;
448 /* otherwise something says we should look further */
449 }
450 }
451
452 /*
453 * Probe the requested scsi bus. It must be already set up.
454 * target and lun optionally narrow the search if not -1
455 */
456 int
scsi_probe_bus(struct scsibus_softc * sc,int target,int lun)457 scsi_probe_bus(struct scsibus_softc *sc, int target, int lun)
458 {
459 struct scsipi_channel *chan = sc->sc_channel;
460 int maxtarget, mintarget, maxlun, minlun;
461 int error;
462
463 if (target == -1) {
464 maxtarget = chan->chan_ntargets - 1;
465 mintarget = 0;
466 } else {
467 if (target < 0 || target >= chan->chan_ntargets)
468 return (EINVAL);
469 maxtarget = mintarget = target;
470 }
471
472 if (lun == -1) {
473 maxlun = chan->chan_nluns - 1;
474 minlun = 0;
475 } else {
476 if (lun < 0 || lun >= chan->chan_nluns)
477 return (EINVAL);
478 maxlun = minlun = lun;
479 }
480
481 /*
482 * Some HBAs provide an abstracted view of the bus; give them an
483 * opportunity to re-scan it before we do.
484 */
485 scsipi_adapter_ioctl(chan, SCBUSIOLLSCAN, NULL, 0, curproc);
486
487 if ((error = scsipi_adapter_addref(chan->chan_adapter)) != 0)
488 goto ret;
489 for (target = mintarget; target <= maxtarget; target++) {
490 if (target == chan->chan_id)
491 continue;
492
493 scsi_discover_luns(sc, target, minlun, maxlun);
494
495 /*
496 * Now that we've discovered all of the LUNs on this
497 * I_T Nexus, update the xfer mode for all of them
498 * that we know about.
499 */
500 scsipi_set_xfer_mode(chan, target, 1);
501 }
502
503 scsipi_adapter_delref(chan->chan_adapter);
504 ret:
505 return (error);
506 }
507
508 static int
scsibusrescan(device_t sc,const char * ifattr,const int * locators)509 scsibusrescan(device_t sc, const char *ifattr, const int *locators)
510 {
511
512 KASSERT(ifattr && !strcmp(ifattr, "scsibus"));
513 KASSERT(locators);
514
515 return (scsi_probe_bus(device_private(sc),
516 locators[SCSIBUSCF_TARGET], locators[SCSIBUSCF_LUN]));
517 }
518
519 static void
scsidevdetached(device_t self,device_t child)520 scsidevdetached(device_t self, device_t child)
521 {
522 struct scsibus_softc *sc = device_private(self);
523 struct scsipi_channel *chan = sc->sc_channel;
524 struct scsipi_periph *periph;
525 int target, lun;
526
527 target = device_locator(child, SCSIBUSCF_TARGET);
528 lun = device_locator(child, SCSIBUSCF_LUN);
529
530 mutex_enter(chan_mtx(chan));
531
532 periph = scsipi_lookup_periph_locked(chan, target, lun);
533 KASSERT(periph != NULL && periph->periph_dev == child);
534
535 scsipi_remove_periph(chan, periph);
536 scsipi_free_periph(periph);
537
538 mutex_exit(chan_mtx(chan));
539 }
540
541 /*
542 * Print out autoconfiguration information for a subdevice.
543 *
544 * This is a slight abuse of 'standard' autoconfiguration semantics,
545 * because 'print' functions don't normally print the colon and
546 * device information. However, in this case that's better than
547 * either printing redundant information before the attach message,
548 * or having the device driver call a special function to print out
549 * the standard device information.
550 */
551 static int
scsibusprint(void * aux,const char * pnp)552 scsibusprint(void *aux, const char *pnp)
553 {
554 struct scsipibus_attach_args *sa = aux;
555 struct scsipi_inquiry_pattern *inqbuf;
556 u_int8_t type;
557 const char *dtype;
558 char vendor[33], product[65], revision[17];
559 int target, lun;
560
561 if (pnp != NULL)
562 aprint_normal("%s", pnp);
563
564 inqbuf = &sa->sa_inqbuf;
565
566 target = sa->sa_periph->periph_target;
567 lun = sa->sa_periph->periph_lun;
568 type = inqbuf->type & SID_TYPE;
569
570 dtype = scsipi_dtype(type);
571
572 strnvisx(vendor, sizeof(vendor), inqbuf->vendor, 8,
573 VIS_TRIM|VIS_SAFE|VIS_OCTAL);
574 strnvisx(product, sizeof(product), inqbuf->product, 16,
575 VIS_TRIM|VIS_SAFE|VIS_OCTAL);
576 strnvisx(revision, sizeof(revision), inqbuf->revision, 4,
577 VIS_TRIM|VIS_SAFE|VIS_OCTAL);
578
579 aprint_normal(" target %d lun %d: <%s, %s, %s> %s %s%s",
580 target, lun, vendor, product, revision, dtype,
581 inqbuf->removable ? "removable" : "fixed",
582 (sa->sa_periph->periph_opcs != NULL)
583 ? " timeout-info" : "");
584
585 return (UNCONF);
586 }
587
588 static const struct scsi_quirk_inquiry_pattern scsi_quirk_patterns[] = {
589 {{T_DIRECT, T_REMOV,
590 "Apple ", "iPod ", ""}, PQUIRK_START},
591 {{T_CDROM, T_REMOV,
592 "CHINON ", "CD-ROM CDS-431 ", ""}, PQUIRK_NOLUNS},
593 {{T_CDROM, T_REMOV,
594 "CHINON ", "CD-ROM CDS-435 ", ""}, PQUIRK_NOLUNS},
595 {{T_CDROM, T_REMOV,
596 "Chinon ", "CD-ROM CDS-525 ", ""}, PQUIRK_NOLUNS},
597 {{T_CDROM, T_REMOV,
598 "CHINON ", "CD-ROM CDS-535 ", ""}, PQUIRK_NOLUNS},
599 {{T_CDROM, T_REMOV,
600 "DEC ", "RRD42 (C) DEC ", ""}, PQUIRK_NOLUNS},
601 {{T_CDROM, T_REMOV,
602 "DENON ", "DRD-25X ", "V"}, PQUIRK_NOLUNS},
603 {{T_CDROM, T_REMOV,
604 "GENERIC ", "CRD-BP2 ", ""}, PQUIRK_NOLUNS},
605 {{T_CDROM, T_REMOV,
606 "HP ", "C4324/C4325 ", ""}, PQUIRK_NOLUNS},
607 {{T_CDROM, T_REMOV,
608 "IMS ", "CDD521/10 ", "2.06"}, PQUIRK_NOLUNS},
609 {{T_CDROM, T_REMOV,
610 "MATSHITA", "CD-ROM CR-5XX ", "1.0b"}, PQUIRK_NOLUNS},
611 {{T_CDROM, T_REMOV,
612 "MEDAVIS ", "RENO CD-ROMX2A ", ""}, PQUIRK_NOLUNS},
613 {{T_CDROM, T_REMOV,
614 "MEDIAVIS", "CDR-H93MV ", "1.3"}, PQUIRK_NOLUNS},
615 {{T_CDROM, T_REMOV,
616 "NEC ", "CD-ROM DRIVE:502", ""}, PQUIRK_NOLUNS},
617 {{T_CDROM, T_REMOV,
618 "NEC ", "CD-ROM DRIVE:55 ", ""}, PQUIRK_NOLUNS},
619 {{T_CDROM, T_REMOV,
620 "NEC ", "CD-ROM DRIVE:83 ", ""}, PQUIRK_NOLUNS},
621 {{T_CDROM, T_REMOV,
622 "NEC ", "CD-ROM DRIVE:84 ", ""}, PQUIRK_NOLUNS},
623 {{T_CDROM, T_REMOV,
624 "NEC ", "CD-ROM DRIVE:841", ""}, PQUIRK_NOLUNS},
625 {{T_CDROM, T_REMOV,
626 "OLYMPUS ", "CDS620E ", "1.1d"},
627 PQUIRK_NOLUNS|PQUIRK_NOSYNC|PQUIRK_NOCAPACITY},
628 {{T_CDROM, T_REMOV,
629 "PIONEER ", "CD-ROM DR-124X ", "1.01"}, PQUIRK_NOLUNS},
630 {{T_CDROM, T_REMOV,
631 "PLEXTOR ", "CD-ROM PX-4XCS ", "1.01"},
632 PQUIRK_NOLUNS|PQUIRK_NOSYNC},
633 {{T_CDROM, T_REMOV,
634 "SONY ", "CD-ROM CDU-541 ", ""}, PQUIRK_NOLUNS},
635 {{T_CDROM, T_REMOV,
636 "SONY ", "CD-ROM CDU-55S ", ""}, PQUIRK_NOLUNS},
637 {{T_CDROM, T_REMOV,
638 "SONY ", "CD-ROM CDU-561 ", ""}, PQUIRK_NOLUNS},
639 {{T_CDROM, T_REMOV,
640 "SONY ", "CD-ROM CDU-76S", ""},
641 PQUIRK_NOLUNS|PQUIRK_NOSYNC|PQUIRK_NOWIDE},
642 {{T_CDROM, T_REMOV,
643 "SONY ", "CD-ROM CDU-8003A", ""}, PQUIRK_NOLUNS},
644 {{T_CDROM, T_REMOV,
645 "SONY ", "CD-ROM CDU-8012 ", ""}, PQUIRK_NOLUNS},
646 {{T_CDROM, T_REMOV,
647 "TEAC ", "CD-ROM ", "1.06"}, PQUIRK_NOLUNS},
648 {{T_CDROM, T_REMOV,
649 "TEAC ", "CD-ROM CD-56S ", "1.0B"}, PQUIRK_NOLUNS},
650 {{T_CDROM, T_REMOV,
651 "TEXEL ", "CD-ROM ", "1.06"}, PQUIRK_NOLUNS},
652 {{T_CDROM, T_REMOV,
653 "TEXEL ", "CD-ROM DM-XX24 K", "1.09"}, PQUIRK_NOLUNS},
654 {{T_CDROM, T_REMOV,
655 "TEXEL ", "CD-ROM DM-XX24 K", "1.10"}, PQUIRK_NOLUNS},
656 {{T_CDROM, T_REMOV,
657 "TOSHIBA ", "XM-4101TASUNSLCD", ""}, PQUIRK_NOLUNS|PQUIRK_NOSYNC},
658 /* "IBM CDRM00201 !F" 0724 is an IBM OEM Toshiba XM-4101BME */
659 {{T_CDROM, T_REMOV,
660 "IBM ", "CDRM00201 !F", "0724"}, PQUIRK_NOLUNS|PQUIRK_NOSYNC},
661 {{T_CDROM, T_REMOV,
662 "ShinaKen", "CD-ROM DM-3x1S", "1.04"}, PQUIRK_NOLUNS},
663 {{T_CDROM, T_REMOV,
664 "JVC ", "R2626", ""}, PQUIRK_NOLUNS},
665 {{T_CDROM, T_REMOV,
666 "YAMAHA", "CRW8424S", ""}, PQUIRK_NOLUNS},
667 {{T_CDROM, T_REMOV,
668 "NEC ", "CD-ROM DRIVE:222", ""}, PQUIRK_NOLUNS|PQUIRK_NOSYNC},
669
670 {{T_DIRECT, T_FIXED,
671 "MICROP ", "1588-15MBSUN0669", ""}, PQUIRK_AUTOSAVE},
672 {{T_DIRECT, T_FIXED,
673 "MICROP ", "2217-15MQ1091501", ""}, PQUIRK_NOSYNCCACHE},
674 {{T_OPTICAL, T_REMOV,
675 "EPSON ", "OMD-5010 ", "3.08"}, PQUIRK_NOLUNS},
676 {{T_DIRECT, T_FIXED,
677 "ADAPTEC ", "AEC-4412BD", "1.2A"}, PQUIRK_NOMODESENSE},
678 {{T_DIRECT, T_FIXED,
679 "ADAPTEC ", "ACB-4000", ""}, PQUIRK_FORCELUNS|PQUIRK_AUTOSAVE|PQUIRK_NOMODESENSE},
680 {{T_DIRECT, T_FIXED,
681 "DEC ", "RZ55 (C) DEC", ""}, PQUIRK_AUTOSAVE},
682 {{T_DIRECT, T_FIXED,
683 "EMULEX ", "MD21/S2 ESDI", "A00"},
684 PQUIRK_FORCELUNS|PQUIRK_AUTOSAVE},
685 {{T_DIRECT, T_FIXED,
686 "MICROP", "1548-15MZ1077801", "HZ2P"}, PQUIRK_NOTAG},
687 {{T_DIRECT, T_FIXED,
688 "HP ", "C372", ""}, PQUIRK_NOTAG},
689 {{T_DIRECT, T_FIXED,
690 "IBMRAID ", "0662S", ""}, PQUIRK_AUTOSAVE},
691 {{T_DIRECT, T_FIXED,
692 "IBM ", "0663H", ""}, PQUIRK_AUTOSAVE},
693 {{T_DIRECT, T_FIXED,
694 "IBM", "0664", ""}, PQUIRK_AUTOSAVE},
695 {{T_DIRECT, T_FIXED,
696 /* improperly report DT-only sync mode */
697 "IBM ", "DXHS36D", ""},
698 PQUIRK_CAP_SYNC|PQUIRK_CAP_WIDE16},
699 {{T_DIRECT, T_FIXED,
700 "IBM ", "DXHS18Y", ""},
701 PQUIRK_CAP_SYNC|PQUIRK_CAP_WIDE16},
702 {{T_DIRECT, T_FIXED,
703 "IBM ", "H3171-S2", ""},
704 PQUIRK_NOLUNS|PQUIRK_AUTOSAVE},
705 {{T_DIRECT, T_FIXED,
706 "IBM ", "KZ-C", ""}, PQUIRK_AUTOSAVE},
707 /* Broken IBM disk */
708 {{T_DIRECT, T_FIXED,
709 "" , "DFRSS2F", ""}, PQUIRK_AUTOSAVE},
710 {{T_DIRECT, T_FIXED,
711 "Initio ", "", ""}, PQUIRK_NOBIGMODESENSE},
712 {{T_DIRECT, T_FIXED,
713 "JMicron ", "Generic ", ""}, PQUIRK_NOFUA},
714 {{T_DIRECT, T_REMOV,
715 "MPL ", "MC-DISK- ", ""}, PQUIRK_NOLUNS},
716 {{T_DIRECT, T_FIXED,
717 "MAXTOR ", "XT-3280 ", ""}, PQUIRK_NOLUNS},
718 {{T_DIRECT, T_FIXED,
719 "MAXTOR ", "XT-4380S ", ""}, PQUIRK_NOLUNS},
720 {{T_DIRECT, T_FIXED,
721 "MAXTOR ", "MXT-1240S ", ""}, PQUIRK_NOLUNS},
722 {{T_DIRECT, T_FIXED,
723 "MAXTOR ", "XT-4170S ", ""}, PQUIRK_NOLUNS},
724 {{T_DIRECT, T_FIXED,
725 "MAXTOR ", "XT-8760S", ""}, PQUIRK_NOLUNS},
726 {{T_DIRECT, T_FIXED,
727 "MAXTOR ", "LXT-213S ", ""}, PQUIRK_NOLUNS},
728 {{T_DIRECT, T_FIXED,
729 "MAXTOR ", "LXT-213S SUN0207", ""}, PQUIRK_NOLUNS},
730 {{T_DIRECT, T_FIXED,
731 "MAXTOR ", "LXT-200S ", ""}, PQUIRK_NOLUNS},
732 {{T_DIRECT, T_FIXED,
733 "MEGADRV ", "EV1000", ""}, PQUIRK_NOMODESENSE},
734 {{T_DIRECT, T_FIXED,
735 "MICROP", "1991-27MZ", ""}, PQUIRK_NOTAG},
736 {{T_DIRECT, T_FIXED,
737 "MST ", "SnapLink ", ""}, PQUIRK_NOLUNS},
738 {{T_DIRECT, T_FIXED,
739 "NEC ", "D3847 ", "0307"}, PQUIRK_NOLUNS},
740 {{T_CDROM, T_REMOV,
741 "PiSCSI ", "SCSI CD-ROM ", ""}, PQUIRK_NOREADDISCINFO},
742 {{T_DIRECT, T_FIXED,
743 "QUANTUM ", "ELS85S ", ""}, PQUIRK_AUTOSAVE},
744 {{T_DIRECT, T_FIXED,
745 "QUANTUM ", "LPS525S ", ""}, PQUIRK_NOLUNS},
746 {{T_DIRECT, T_FIXED,
747 "QUANTUM ", "P105S 910-10-94x", ""}, PQUIRK_NOLUNS},
748 {{T_DIRECT, T_FIXED,
749 "QUANTUM ", "PD1225S ", ""}, PQUIRK_NOLUNS},
750 {{T_DIRECT, T_FIXED,
751 "QUANTUM ", "PD210S SUN0207", ""}, PQUIRK_NOLUNS},
752 {{T_DIRECT, T_FIXED,
753 "QUANTUM ", "ATLAS IV 9 WLS", "0A0A"}, PQUIRK_CAP_NODT},
754 {{T_DIRECT, T_FIXED,
755 "RODIME ", "RO3000S ", ""}, PQUIRK_NOLUNS},
756 {{T_DIRECT, T_FIXED,
757 "SEAGATE ", "ST125N ", ""}, PQUIRK_NOLUNS},
758 {{T_DIRECT, T_FIXED,
759 "SEAGATE ", "ST157N ", ""}, PQUIRK_NOLUNS},
760 {{T_DIRECT, T_FIXED,
761 "SEAGATE ", "ST296 ", ""}, PQUIRK_NOLUNS},
762 {{T_DIRECT, T_FIXED,
763 "SEAGATE ", "ST296N ", ""}, PQUIRK_NOLUNS},
764 {{T_DIRECT, T_FIXED,
765 "SEAGATE ", "ST318404LC ", ""}, PQUIRK_NOLUNS},
766 {{T_DIRECT, T_FIXED,
767 "SEAGATE ", "ST336753LC ", ""}, PQUIRK_NOLUNS},
768 {{T_DIRECT, T_FIXED,
769 "SEAGATE ", "ST336753LW ", ""}, PQUIRK_NOLUNS},
770 {{T_DIRECT, T_FIXED,
771 "SEAGATE ", "ST336754LC ", ""}, PQUIRK_NOLUNS},
772 {{T_DIRECT, T_FIXED,
773 "SEAGATE ", "ST39236LC ", ""}, PQUIRK_NOLUNS},
774 {{T_DIRECT, T_FIXED,
775 "SEAGATE ", "ST15150N ", ""}, PQUIRK_NOTAG},
776 {{T_DIRECT, T_FIXED,
777 "SEAGATE ", "ST19171", ""}, PQUIRK_NOMODESENSE},
778 {{T_DIRECT, T_FIXED,
779 "SEAGATE ", "ST32430N", ""}, PQUIRK_CAP_SYNC},
780 {{T_DIRECT, T_FIXED,
781 "SEAGATE ", "ST34501FC ", ""}, PQUIRK_NOMODESENSE},
782 {{T_DIRECT, T_FIXED,
783 "SEAGATE ", "SX910800N", ""}, PQUIRK_NOTAG},
784 {{T_DIRECT, T_FIXED,
785 "TOSHIBA ", "MK538FB ", "6027"}, PQUIRK_NOLUNS},
786 {{T_DIRECT, T_FIXED,
787 "MICROP ", "1924", ""}, PQUIRK_CAP_SYNC},
788 {{T_DIRECT, T_FIXED,
789 "FUJITSU ", "M2266", ""}, PQUIRK_CAP_SYNC},
790 {{T_DIRECT, T_FIXED,
791 "FUJITSU ", "M2624S-512 ", ""}, PQUIRK_CAP_SYNC},
792 {{T_DIRECT, T_FIXED,
793 "SEAGATE ", "SX336704LC" , ""}, PQUIRK_CAP_SYNC | PQUIRK_CAP_WIDE16},
794 {{T_DIRECT, T_FIXED,
795 "SEAGATE ", "SX173404LC", ""}, PQUIRK_CAP_SYNC | PQUIRK_CAP_WIDE16},
796 {{T_DIRECT, T_FIXED,
797 "ORACLE", "BlockVolume", ""}, PQUIRK_ONLYBIG},
798
799 {{T_DIRECT, T_REMOV,
800 "IOMEGA", "ZIP 100", "J.03"}, PQUIRK_NOLUNS|PQUIRK_NOSYNC},
801 {{T_DIRECT, T_REMOV,
802 "INSITE", "I325VM", ""}, PQUIRK_NOLUNS},
803
804 /* XXX: QIC-36 tape behind Emulex adapter. Very broken. */
805 {{T_SEQUENTIAL, T_REMOV,
806 " ", " ", " "}, PQUIRK_NOLUNS},
807 {{T_SEQUENTIAL, T_REMOV,
808 "EMULEX ", "MT-02 QIC ", ""}, PQUIRK_NOLUNS},
809 {{T_SEQUENTIAL, T_REMOV,
810 "CALIPER ", "CP150 ", ""}, PQUIRK_NOLUNS},
811 {{T_SEQUENTIAL, T_REMOV,
812 "EXABYTE ", "EXB-8200 ", ""}, PQUIRK_NOLUNS},
813 {{T_SEQUENTIAL, T_REMOV,
814 "SONY ", "GY-10C ", ""}, PQUIRK_NOLUNS},
815 {{T_SEQUENTIAL, T_REMOV,
816 "SONY ", "SDT-2000 ", "2.09"}, PQUIRK_NOLUNS},
817 {{T_SEQUENTIAL, T_REMOV,
818 "SONY ", "SDT-5000 ", "3."}, PQUIRK_NOSYNC|PQUIRK_NOWIDE},
819 {{T_SEQUENTIAL, T_REMOV,
820 "SONY ", "SDT-5200 ", "3."}, PQUIRK_NOLUNS},
821 {{T_SEQUENTIAL, T_REMOV,
822 "TANDBERG", " TDC 3600 ", ""}, PQUIRK_NOLUNS},
823 /* Following entry reported as a Tandberg 3600; ref. PR1933 */
824 {{T_SEQUENTIAL, T_REMOV,
825 "ARCHIVE ", "VIPER 150 21247", ""}, PQUIRK_NOLUNS},
826 /* Following entry for a Cipher ST150S; ref. PR4171 */
827 {{T_SEQUENTIAL, T_REMOV,
828 "ARCHIVE ", "VIPER 1500 21247", "2.2G"}, PQUIRK_NOLUNS},
829 {{T_SEQUENTIAL, T_REMOV,
830 "ARCHIVE ", "Python 28454-XXX", ""}, PQUIRK_NOLUNS},
831 {{T_SEQUENTIAL, T_REMOV,
832 "WANGTEK ", "5099ES SCSI", ""}, PQUIRK_NOLUNS},
833 {{T_SEQUENTIAL, T_REMOV,
834 "WANGTEK ", "5150ES SCSI", ""}, PQUIRK_NOLUNS},
835 {{T_SEQUENTIAL, T_REMOV,
836 "WANGTEK ", "SCSI-36", ""}, PQUIRK_NOLUNS},
837 {{T_SEQUENTIAL, T_REMOV,
838 "WangDAT ", "Model 1300 ", "02.4"}, PQUIRK_NOSYNC|PQUIRK_NOWIDE},
839 {{T_SEQUENTIAL, T_REMOV,
840 "WangDAT ", "Model 2600 ", "01.7"}, PQUIRK_NOSYNC|PQUIRK_NOWIDE},
841 {{T_SEQUENTIAL, T_REMOV,
842 "WangDAT ", "Model 3200 ", "02.2"}, PQUIRK_NOSYNC|PQUIRK_NOWIDE},
843 {{T_SEQUENTIAL, T_REMOV,
844 "TEAC ", "MT-2ST/N50 ", ""}, PQUIRK_NOLUNS},
845
846 {{T_SCANNER, T_FIXED,
847 "RICOH ", "IS60 ", "1R08"}, PQUIRK_NOLUNS},
848 {{T_SCANNER, T_FIXED,
849 "UMAX ", "Astra 1200S ", "V2.9"}, PQUIRK_NOLUNS},
850 {{T_SCANNER, T_FIXED,
851 "UMAX ", "Astra 1220S ", ""}, PQUIRK_NOLUNS},
852 {{T_SCANNER, T_FIXED,
853 "UMAX ", "UMAX S-6E ", "V2.0"}, PQUIRK_NOLUNS},
854 {{T_SCANNER, T_FIXED,
855 "UMAX ", "UMAX S-12 ", "V2.1"}, PQUIRK_NOLUNS},
856 {{T_SCANNER, T_FIXED,
857 "ULTIMA ", "A6000C ", ""}, PQUIRK_NOLUNS},
858 {{T_PROCESSOR, T_FIXED,
859 "ESG-SHV", "SCA HSBP M15", ""}, PQUIRK_NOLUNS},
860 {{T_PROCESSOR, T_FIXED,
861 "SYMBIOS", "", ""}, PQUIRK_NOLUNS},
862 {{T_PROCESSOR, T_FIXED,
863 "LITRONIC", "PCMCIA ", ""}, PQUIRK_NOLUNS},
864 {{T_CHANGER, T_REMOV,
865 "SONY ", "CDL1100 ", ""}, PQUIRK_NOLUNS},
866 {{T_ENCLOSURE, T_FIXED,
867 "SUN ", "SENA ", ""}, PQUIRK_NOLUNS},
868 {{T_CDROM, T_REMOV,
869 "SUN ", "Virtual CDROM ", ""}, PQUIRK_NOREADDISCINFO},
870 };
871
872 /*
873 * given a target and lun, ask the device what
874 * it is, and find the correct driver table
875 * entry.
876 */
877 static int
scsi_probe_device(struct scsibus_softc * sc,int target,int lun)878 scsi_probe_device(struct scsibus_softc *sc, int target, int lun)
879 {
880 struct scsipi_channel *chan = sc->sc_channel;
881 struct scsipi_periph *periph;
882 struct scsipi_inquiry_data inqbuf;
883 const struct scsi_quirk_inquiry_pattern *finger;
884 int checkdtype, priority, docontinue, quirks;
885 struct scsipibus_attach_args sa;
886 cfdata_t cf;
887 int locs[SCSIBUSCF_NLOCS];
888
889 /*
890 * Assume no more LUNs to search after this one.
891 * If we successfully get Inquiry data and after
892 * merging quirks we find we can probe for more
893 * LUNs, we will.
894 */
895 docontinue = 0;
896
897 /* Skip this slot if it is already attached. */
898 if (scsipi_lookup_periph(chan, target, lun) != NULL)
899 return (docontinue);
900
901 periph = scsipi_alloc_periph(M_WAITOK);
902 periph->periph_channel = chan;
903 periph->periph_switch = &scsi_probe_dev;
904
905 periph->periph_target = target;
906 periph->periph_lun = lun;
907 periph->periph_quirks = chan->chan_defquirks;
908
909 #ifdef SCSIPI_DEBUG
910 if (SCSIPI_DEBUG_TYPE == SCSIPI_BUSTYPE_SCSI &&
911 SCSIPI_DEBUG_TARGET == target &&
912 SCSIPI_DEBUG_LUN == lun)
913 periph->periph_dbflags |= SCSIPI_DEBUG_FLAGS;
914 #endif
915
916 /*
917 * Ask the device what it is
918 */
919
920 #ifdef SCSI_2_DEF
921 /* some devices need to be told to go to SCSI2 */
922 /* However some just explode if you tell them this.. leave it out */
923 scsi_change_def(periph, XS_CTL_DISCOVERY | XS_CTL_SILENT);
924 #endif /* SCSI_2_DEF */
925
926 /* Now go ask the device all about itself. */
927 memset(&inqbuf, 0, sizeof(inqbuf));
928 {
929 u_int8_t *extension = &inqbuf.flags1;
930 int len = 0;
931 while (len < 3)
932 extension[len++] = '\0';
933 while (len < 3 + 28)
934 extension[len++] = ' ';
935 while (len < 3 + 28 + 20)
936 extension[len++] = '\0';
937 while (len < 3 + 28 + 20 + 1)
938 extension[len++] = '\0';
939 while (len < 3 + 28 + 20 + 1 + 1)
940 extension[len++] = '\0';
941 while (len < 3 + 28 + 20 + 1 + 1 + (8*2))
942 extension[len++] = ' ';
943 }
944 if (scsipi_inquire(periph, &inqbuf, XS_CTL_DISCOVERY | XS_CTL_SILENT))
945 goto bad;
946
947 periph->periph_type = inqbuf.device & SID_TYPE;
948 if (inqbuf.dev_qual2 & SID_REMOVABLE)
949 periph->periph_flags |= PERIPH_REMOVABLE;
950 periph->periph_version = inqbuf.version & SID_ANSII;
951
952 /*
953 * Any device qualifier that has the top bit set (qualifier&4 != 0)
954 * is vendor specific and won't match in this switch.
955 * All we do here is throw out bad/negative responses.
956 */
957 checkdtype = 0;
958 switch (inqbuf.device & SID_QUAL) {
959 case SID_QUAL_LU_PRESENT:
960 checkdtype = 1;
961 break;
962
963 case SID_QUAL_LU_NOTPRESENT:
964 case SID_QUAL_reserved:
965 case SID_QUAL_LU_NOT_SUPP:
966 goto bad;
967
968 default:
969 break;
970 }
971
972 /* Let the adapter driver handle the device separately if it wants. */
973 if (chan->chan_adapter->adapt_accesschk != NULL &&
974 (*chan->chan_adapter->adapt_accesschk)(periph, &sa.sa_inqbuf))
975 goto bad;
976
977 if (checkdtype) {
978 switch (periph->periph_type) {
979 case T_DIRECT:
980 case T_SEQUENTIAL:
981 case T_PRINTER:
982 case T_PROCESSOR:
983 case T_WORM:
984 case T_CDROM:
985 case T_SCANNER:
986 case T_OPTICAL:
987 case T_CHANGER:
988 case T_COMM:
989 case T_IT8_1:
990 case T_IT8_2:
991 case T_STORARRAY:
992 case T_ENCLOSURE:
993 case T_SIMPLE_DIRECT:
994 case T_OPTIC_CARD_RW:
995 case T_OBJECT_STORED:
996 default:
997 break;
998 case T_NODEVICE:
999 goto bad;
1000 }
1001 }
1002
1003 sa.sa_periph = periph;
1004 sa.sa_inqbuf.type = inqbuf.device;
1005 sa.sa_inqbuf.removable = inqbuf.dev_qual2 & SID_REMOVABLE ?
1006 T_REMOV : T_FIXED;
1007 sa.sa_inqbuf.vendor = inqbuf.vendor;
1008 sa.sa_inqbuf.product = inqbuf.product;
1009 sa.sa_inqbuf.revision = inqbuf.revision;
1010 sa.scsipi_info.scsi_version = inqbuf.version;
1011 sa.sa_inqptr = &inqbuf;
1012
1013 finger = scsipi_inqmatch(
1014 &sa.sa_inqbuf, scsi_quirk_patterns,
1015 sizeof(scsi_quirk_patterns)/sizeof(scsi_quirk_patterns[0]),
1016 sizeof(scsi_quirk_patterns[0]), &priority);
1017
1018 if (finger != NULL)
1019 quirks = finger->quirks;
1020 else
1021 quirks = 0;
1022
1023 /*
1024 * Determine the operating mode capabilities of the device.
1025 */
1026 if (periph->periph_version >= 2) {
1027 if ((inqbuf.flags3 & SID_CmdQue) != 0 &&
1028 (quirks & PQUIRK_NOTAG) == 0)
1029 periph->periph_cap |= PERIPH_CAP_TQING;
1030 if ((inqbuf.flags3 & SID_Linked) != 0)
1031 periph->periph_cap |= PERIPH_CAP_LINKCMDS;
1032 if ((inqbuf.flags3 & SID_Sync) != 0 &&
1033 (quirks & PQUIRK_NOSYNC) == 0)
1034 periph->periph_cap |= PERIPH_CAP_SYNC;
1035 if ((inqbuf.flags3 & SID_WBus16) != 0 &&
1036 (quirks & PQUIRK_NOWIDE) == 0)
1037 periph->periph_cap |= PERIPH_CAP_WIDE16;
1038 if ((inqbuf.flags3 & SID_WBus32) != 0 &&
1039 (quirks & PQUIRK_NOWIDE) == 0)
1040 periph->periph_cap |= PERIPH_CAP_WIDE32;
1041 if ((inqbuf.flags3 & SID_SftRe) != 0)
1042 periph->periph_cap |= PERIPH_CAP_SFTRESET;
1043 if ((inqbuf.flags3 & SID_RelAdr) != 0)
1044 periph->periph_cap |= PERIPH_CAP_RELADR;
1045 /* SPC-2 */
1046 if (periph->periph_version >= 3 &&
1047 !(quirks & PQUIRK_CAP_NODT)){
1048 /*
1049 * Report ST clocking though CAP_WIDExx/CAP_SYNC.
1050 * If the device only supports DT, clear these
1051 * flags (DT implies SYNC and WIDE)
1052 */
1053 switch (inqbuf.flags4 & SID_Clocking) {
1054 case SID_CLOCKING_DT_ONLY:
1055 periph->periph_cap &=
1056 ~(PERIPH_CAP_SYNC |
1057 PERIPH_CAP_WIDE16 |
1058 PERIPH_CAP_WIDE32);
1059 /* FALLTHROUGH */
1060 case SID_CLOCKING_SD_DT:
1061 periph->periph_cap |= PERIPH_CAP_DT;
1062 break;
1063 default: /* ST only or invalid */
1064 /* nothing to do */
1065 break;
1066 }
1067 }
1068 if (periph->periph_version >= 3) {
1069 if (inqbuf.flags4 & SID_IUS)
1070 periph->periph_cap |= PERIPH_CAP_IUS;
1071 if (inqbuf.flags4 & SID_QAS)
1072 periph->periph_cap |= PERIPH_CAP_QAS;
1073 }
1074 }
1075 if (quirks & PQUIRK_CAP_SYNC)
1076 periph->periph_cap |= PERIPH_CAP_SYNC;
1077 if (quirks & PQUIRK_CAP_WIDE16)
1078 periph->periph_cap |= PERIPH_CAP_WIDE16;
1079
1080 /*
1081 * Now apply any quirks from the table.
1082 */
1083 periph->periph_quirks |= quirks;
1084 if (periph->periph_version == 0 &&
1085 (periph->periph_quirks & PQUIRK_FORCELUNS) == 0)
1086 periph->periph_quirks |= PQUIRK_NOLUNS;
1087
1088 if ((periph->periph_quirks & PQUIRK_NOLUNS) == 0)
1089 docontinue = 1;
1090
1091 locs[SCSIBUSCF_TARGET] = target;
1092 locs[SCSIBUSCF_LUN] = lun;
1093
1094 KERNEL_LOCK(1, NULL);
1095 if ((cf = config_search(sc->sc_dev, &sa,
1096 CFARGS(.submatch = config_stdsubmatch,
1097 .locators = locs))) != NULL) {
1098 scsipi_insert_periph(chan, periph);
1099
1100 /*
1101 * Determine supported opcodes and timeouts if available.
1102 * Only do this on peripherals reporting SCSI version 3
1103 * or greater - this command isn't in the SCSI-2 spec. and
1104 * it causes either timeouts or peripherals disappearing
1105 * when sent to some SCSI-1 or SCSI-2 peripherals.
1106 */
1107 if (periph->periph_version >= 3)
1108 scsipi_get_opcodeinfo(periph);
1109
1110 /*
1111 * XXX Can't assign periph_dev here, because we'll
1112 * XXX need it before config_attach() returns. Must
1113 * XXX assign it in periph driver.
1114 */
1115 config_attach(sc->sc_dev, cf, &sa, scsibusprint,
1116 CFARGS(.locators = locs));
1117 KERNEL_UNLOCK_ONE(NULL);
1118 } else {
1119 scsibusprint(&sa, device_xname(sc->sc_dev));
1120 aprint_normal(" not configured\n");
1121 KERNEL_UNLOCK_ONE(NULL);
1122 goto bad;
1123 }
1124
1125 return (docontinue);
1126
1127 bad:
1128 scsipi_free_periph(periph);
1129 return (docontinue);
1130 }
1131
1132 /****** Entry points for user control of the SCSI bus. ******/
1133
1134 static int
scsibusopen(dev_t dev,int flag,int fmt,struct lwp * l)1135 scsibusopen(dev_t dev, int flag, int fmt,
1136 struct lwp *l)
1137 {
1138 struct scsibus_softc *sc;
1139 int error, unit = minor(dev);
1140
1141 sc = device_lookup_private(&scsibus_cd, unit);
1142 if (sc == NULL)
1143 return (ENXIO);
1144
1145 if (sc->sc_flags & SCSIBUSF_OPEN)
1146 return (EBUSY);
1147
1148 if ((error = scsipi_adapter_addref(sc->sc_channel->chan_adapter)) != 0)
1149 return (error);
1150
1151 sc->sc_flags |= SCSIBUSF_OPEN;
1152
1153 return (0);
1154 }
1155
1156 static int
scsibusclose(dev_t dev,int flag,int fmt,struct lwp * l)1157 scsibusclose(dev_t dev, int flag, int fmt,
1158 struct lwp *l)
1159 {
1160 struct scsibus_softc *sc;
1161
1162 sc = device_lookup_private(&scsibus_cd, minor(dev));
1163 scsipi_adapter_delref(sc->sc_channel->chan_adapter);
1164
1165 sc->sc_flags &= ~SCSIBUSF_OPEN;
1166
1167 return (0);
1168 }
1169
1170 static int
scsibusioctl(dev_t dev,u_long cmd,void * addr,int flag,struct lwp * l)1171 scsibusioctl(dev_t dev, u_long cmd, void *addr, int flag, struct lwp *l)
1172 {
1173 struct scsibus_softc *sc;
1174 struct scsipi_channel *chan;
1175 int error;
1176
1177 sc = device_lookup_private(&scsibus_cd, minor(dev));
1178 chan = sc->sc_channel;
1179
1180 /*
1181 * Enforce write permission for ioctls that change the
1182 * state of the bus. Host adapter specific ioctls must
1183 * be checked by the adapter driver.
1184 */
1185 switch (cmd) {
1186 case SCBUSIOSCAN:
1187 case SCBUSIODETACH:
1188 case SCBUSIORESET:
1189 if ((flag & FWRITE) == 0)
1190 return (EBADF);
1191 }
1192
1193 switch (cmd) {
1194 case SCBUSIOSCAN:
1195 {
1196 struct scbusioscan_args *a =
1197 (struct scbusioscan_args *)addr;
1198
1199 error = scsi_probe_bus(sc, a->sa_target, a->sa_lun);
1200 break;
1201 }
1202
1203 case SCBUSIODETACH:
1204 {
1205 struct scbusiodetach_args *a =
1206 (struct scbusiodetach_args *)addr;
1207
1208 error = scsipi_target_detach(chan, a->sa_target, a->sa_lun, 0);
1209 break;
1210 }
1211
1212
1213 case SCBUSIORESET:
1214 /* FALLTHROUGH */
1215 default:
1216 error = scsipi_adapter_ioctl(chan, cmd, addr, flag, l->l_proc);
1217 break;
1218 }
1219
1220 return (error);
1221 }
1222