1 /* $NetBSD: scsiconf.c,v 1.303 2022/10/15 18:42:49 jmcneill 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 1.303 2022/10/15 18:42:49 jmcneill 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
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
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
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
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
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
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
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
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 sizeof(*rlr) + _4btol(rlr->length) <= 32) {
384 const size_t old_rlrlen = rlrlen;
385 rlrlen = sizeof(*rlr) + uimin(_4btol(rlr->length),
386 16383 * sizeof(*lunp));
387 kmem_free(rlr, old_rlrlen);
388 rlr = NULL;
389 if (rlrlen < rlrlenmin) {
390 error = EIO;
391 goto end;
392 }
393 goto again;
394 }
395
396 KASSERT(nluns != NULL);
397 *nluns = (rlrlen - sizeof(*rlr)) / sizeof(*lunp);
398
399 KASSERT(luns != NULL);
400 *luns = kmem_alloc(*nluns * sizeof(**luns), KM_SLEEP);
401
402 for (i = 0; i < *nluns; i++) {
403 lunp = &((struct scsi_report_luns_lun *)&rlr[1])[i];
404 switch (lunp->lun[0] & 0xC0) {
405 default:
406 scsi_print_addr(periph);
407 printf("LUN %016"PRIx64" ignored\n", _8btol(lunp->lun));
408 (*luns)[i] = 0;
409 break;
410 case 0x40:
411 (*luns)[i] = _2btol(&lunp->lun[0]) & 0x3FFF;
412 break;
413 case 0x00:
414 (*luns)[i] = _2btol(&lunp->lun[0]) & 0x00FF;
415 break;
416 }
417 }
418
419 kheapsort(*luns, *nluns, sizeof(**luns), lun_compar, &tmp);
420
421 end:
422 if (rlr)
423 kmem_free(rlr, rlrlen);
424 end2:
425 scsipi_free_periph(periph);
426 return error;
427 }
428
429 static void
430 scsi_discover_luns(struct scsibus_softc *sc, int target, int minlun, int maxlun)
431 {
432 uint16_t *luns = NULL; /* XXX gcc */
433 size_t nluns = 0; /* XXX gcc */
434
435 if (scsi_report_luns(sc, target, &luns, &nluns) == 0) {
436 for (size_t i = 0; i < nluns; i++)
437 if (luns[i] >= minlun && luns[i] <= maxlun)
438 scsi_probe_device(sc, target, luns[i]);
439 kmem_free(luns, sizeof(*luns) * nluns);
440 return;
441 }
442
443 for (int lun = minlun; lun <= maxlun; lun++) {
444 /*
445 * See if there's a device present, and configure it.
446 */
447 if (scsi_probe_device(sc, target, lun) == 0)
448 break;
449 /* otherwise something says we should look further */
450 }
451 }
452
453 /*
454 * Probe the requested scsi bus. It must be already set up.
455 * target and lun optionally narrow the search if not -1
456 */
457 int
458 scsi_probe_bus(struct scsibus_softc *sc, int target, int lun)
459 {
460 struct scsipi_channel *chan = sc->sc_channel;
461 int maxtarget, mintarget, maxlun, minlun;
462 int error;
463
464 if (target == -1) {
465 maxtarget = chan->chan_ntargets - 1;
466 mintarget = 0;
467 } else {
468 if (target < 0 || target >= chan->chan_ntargets)
469 return (EINVAL);
470 maxtarget = mintarget = target;
471 }
472
473 if (lun == -1) {
474 maxlun = chan->chan_nluns - 1;
475 minlun = 0;
476 } else {
477 if (lun < 0 || lun >= chan->chan_nluns)
478 return (EINVAL);
479 maxlun = minlun = lun;
480 }
481
482 /*
483 * Some HBAs provide an abstracted view of the bus; give them an
484 * opportunity to re-scan it before we do.
485 */
486 scsipi_adapter_ioctl(chan, SCBUSIOLLSCAN, NULL, 0, curproc);
487
488 if ((error = scsipi_adapter_addref(chan->chan_adapter)) != 0)
489 goto ret;
490 for (target = mintarget; target <= maxtarget; target++) {
491 if (target == chan->chan_id)
492 continue;
493
494 scsi_discover_luns(sc, target, minlun, maxlun);
495
496 /*
497 * Now that we've discovered all of the LUNs on this
498 * I_T Nexus, update the xfer mode for all of them
499 * that we know about.
500 */
501 scsipi_set_xfer_mode(chan, target, 1);
502 }
503
504 scsipi_adapter_delref(chan->chan_adapter);
505 ret:
506 return (error);
507 }
508
509 static int
510 scsibusrescan(device_t sc, const char *ifattr, const int *locators)
511 {
512
513 KASSERT(ifattr && !strcmp(ifattr, "scsibus"));
514 KASSERT(locators);
515
516 return (scsi_probe_bus(device_private(sc),
517 locators[SCSIBUSCF_TARGET], locators[SCSIBUSCF_LUN]));
518 }
519
520 static void
521 scsidevdetached(device_t self, device_t child)
522 {
523 struct scsibus_softc *sc = device_private(self);
524 struct scsipi_channel *chan = sc->sc_channel;
525 struct scsipi_periph *periph;
526 int target, lun;
527
528 target = device_locator(child, SCSIBUSCF_TARGET);
529 lun = device_locator(child, SCSIBUSCF_LUN);
530
531 mutex_enter(chan_mtx(chan));
532
533 periph = scsipi_lookup_periph_locked(chan, target, lun);
534 KASSERT(periph != NULL && periph->periph_dev == child);
535
536 scsipi_remove_periph(chan, periph);
537 scsipi_free_periph(periph);
538
539 mutex_exit(chan_mtx(chan));
540 }
541
542 /*
543 * Print out autoconfiguration information for a subdevice.
544 *
545 * This is a slight abuse of 'standard' autoconfiguration semantics,
546 * because 'print' functions don't normally print the colon and
547 * device information. However, in this case that's better than
548 * either printing redundant information before the attach message,
549 * or having the device driver call a special function to print out
550 * the standard device information.
551 */
552 static int
553 scsibusprint(void *aux, const char *pnp)
554 {
555 struct scsipibus_attach_args *sa = aux;
556 struct scsipi_inquiry_pattern *inqbuf;
557 u_int8_t type;
558 const char *dtype;
559 char vendor[33], product[65], revision[17];
560 int target, lun;
561
562 if (pnp != NULL)
563 aprint_normal("%s", pnp);
564
565 inqbuf = &sa->sa_inqbuf;
566
567 target = sa->sa_periph->periph_target;
568 lun = sa->sa_periph->periph_lun;
569 type = inqbuf->type & SID_TYPE;
570
571 dtype = scsipi_dtype(type);
572
573 strnvisx(vendor, sizeof(vendor), inqbuf->vendor, 8,
574 VIS_TRIM|VIS_SAFE|VIS_OCTAL);
575 strnvisx(product, sizeof(product), inqbuf->product, 16,
576 VIS_TRIM|VIS_SAFE|VIS_OCTAL);
577 strnvisx(revision, sizeof(revision), inqbuf->revision, 4,
578 VIS_TRIM|VIS_SAFE|VIS_OCTAL);
579
580 aprint_normal(" target %d lun %d: <%s, %s, %s> %s %s%s",
581 target, lun, vendor, product, revision, dtype,
582 inqbuf->removable ? "removable" : "fixed",
583 (sa->sa_periph->periph_opcs != NULL)
584 ? " timeout-info" : "");
585
586 return (UNCONF);
587 }
588
589 static const struct scsi_quirk_inquiry_pattern scsi_quirk_patterns[] = {
590 {{T_DIRECT, T_REMOV,
591 "Apple ", "iPod ", ""}, PQUIRK_START},
592 {{T_CDROM, T_REMOV,
593 "CHINON ", "CD-ROM CDS-431 ", ""}, PQUIRK_NOLUNS},
594 {{T_CDROM, T_REMOV,
595 "CHINON ", "CD-ROM CDS-435 ", ""}, PQUIRK_NOLUNS},
596 {{T_CDROM, T_REMOV,
597 "Chinon ", "CD-ROM CDS-525 ", ""}, PQUIRK_NOLUNS},
598 {{T_CDROM, T_REMOV,
599 "CHINON ", "CD-ROM CDS-535 ", ""}, PQUIRK_NOLUNS},
600 {{T_CDROM, T_REMOV,
601 "DEC ", "RRD42 (C) DEC ", ""}, PQUIRK_NOLUNS},
602 {{T_CDROM, T_REMOV,
603 "DENON ", "DRD-25X ", "V"}, PQUIRK_NOLUNS},
604 {{T_CDROM, T_REMOV,
605 "GENERIC ", "CRD-BP2 ", ""}, PQUIRK_NOLUNS},
606 {{T_CDROM, T_REMOV,
607 "HP ", "C4324/C4325 ", ""}, PQUIRK_NOLUNS},
608 {{T_CDROM, T_REMOV,
609 "IMS ", "CDD521/10 ", "2.06"}, PQUIRK_NOLUNS},
610 {{T_CDROM, T_REMOV,
611 "MATSHITA", "CD-ROM CR-5XX ", "1.0b"}, PQUIRK_NOLUNS},
612 {{T_CDROM, T_REMOV,
613 "MEDAVIS ", "RENO CD-ROMX2A ", ""}, PQUIRK_NOLUNS},
614 {{T_CDROM, T_REMOV,
615 "MEDIAVIS", "CDR-H93MV ", "1.3"}, PQUIRK_NOLUNS},
616 {{T_CDROM, T_REMOV,
617 "NEC ", "CD-ROM DRIVE:502", ""}, PQUIRK_NOLUNS},
618 {{T_CDROM, T_REMOV,
619 "NEC ", "CD-ROM DRIVE:55 ", ""}, PQUIRK_NOLUNS},
620 {{T_CDROM, T_REMOV,
621 "NEC ", "CD-ROM DRIVE:83 ", ""}, PQUIRK_NOLUNS},
622 {{T_CDROM, T_REMOV,
623 "NEC ", "CD-ROM DRIVE:84 ", ""}, PQUIRK_NOLUNS},
624 {{T_CDROM, T_REMOV,
625 "NEC ", "CD-ROM DRIVE:841", ""}, PQUIRK_NOLUNS},
626 {{T_CDROM, T_REMOV,
627 "OLYMPUS ", "CDS620E ", "1.1d"},
628 PQUIRK_NOLUNS|PQUIRK_NOSYNC|PQUIRK_NOCAPACITY},
629 {{T_CDROM, T_REMOV,
630 "PIONEER ", "CD-ROM DR-124X ", "1.01"}, PQUIRK_NOLUNS},
631 {{T_CDROM, T_REMOV,
632 "PLEXTOR ", "CD-ROM PX-4XCS ", "1.01"},
633 PQUIRK_NOLUNS|PQUIRK_NOSYNC},
634 {{T_CDROM, T_REMOV,
635 "SONY ", "CD-ROM CDU-541 ", ""}, PQUIRK_NOLUNS},
636 {{T_CDROM, T_REMOV,
637 "SONY ", "CD-ROM CDU-55S ", ""}, PQUIRK_NOLUNS},
638 {{T_CDROM, T_REMOV,
639 "SONY ", "CD-ROM CDU-561 ", ""}, PQUIRK_NOLUNS},
640 {{T_CDROM, T_REMOV,
641 "SONY ", "CD-ROM CDU-76S", ""},
642 PQUIRK_NOLUNS|PQUIRK_NOSYNC|PQUIRK_NOWIDE},
643 {{T_CDROM, T_REMOV,
644 "SONY ", "CD-ROM CDU-8003A", ""}, PQUIRK_NOLUNS},
645 {{T_CDROM, T_REMOV,
646 "SONY ", "CD-ROM CDU-8012 ", ""}, PQUIRK_NOLUNS},
647 {{T_CDROM, T_REMOV,
648 "TEAC ", "CD-ROM ", "1.06"}, PQUIRK_NOLUNS},
649 {{T_CDROM, T_REMOV,
650 "TEAC ", "CD-ROM CD-56S ", "1.0B"}, PQUIRK_NOLUNS},
651 {{T_CDROM, T_REMOV,
652 "TEXEL ", "CD-ROM ", "1.06"}, PQUIRK_NOLUNS},
653 {{T_CDROM, T_REMOV,
654 "TEXEL ", "CD-ROM DM-XX24 K", "1.09"}, PQUIRK_NOLUNS},
655 {{T_CDROM, T_REMOV,
656 "TEXEL ", "CD-ROM DM-XX24 K", "1.10"}, PQUIRK_NOLUNS},
657 {{T_CDROM, T_REMOV,
658 "TOSHIBA ", "XM-4101TASUNSLCD", ""}, PQUIRK_NOLUNS|PQUIRK_NOSYNC},
659 /* "IBM CDRM00201 !F" 0724 is an IBM OEM Toshiba XM-4101BME */
660 {{T_CDROM, T_REMOV,
661 "IBM ", "CDRM00201 !F", "0724"}, PQUIRK_NOLUNS|PQUIRK_NOSYNC},
662 {{T_CDROM, T_REMOV,
663 "ShinaKen", "CD-ROM DM-3x1S", "1.04"}, PQUIRK_NOLUNS},
664 {{T_CDROM, T_REMOV,
665 "JVC ", "R2626", ""}, PQUIRK_NOLUNS},
666 {{T_CDROM, T_REMOV,
667 "YAMAHA", "CRW8424S", ""}, PQUIRK_NOLUNS},
668 {{T_CDROM, T_REMOV,
669 "NEC ", "CD-ROM DRIVE:222", ""}, PQUIRK_NOLUNS|PQUIRK_NOSYNC},
670
671 {{T_DIRECT, T_FIXED,
672 "MICROP ", "1588-15MBSUN0669", ""}, PQUIRK_AUTOSAVE},
673 {{T_DIRECT, T_FIXED,
674 "MICROP ", "2217-15MQ1091501", ""}, PQUIRK_NOSYNCCACHE},
675 {{T_OPTICAL, T_REMOV,
676 "EPSON ", "OMD-5010 ", "3.08"}, PQUIRK_NOLUNS},
677 {{T_DIRECT, T_FIXED,
678 "ADAPTEC ", "AEC-4412BD", "1.2A"}, PQUIRK_NOMODESENSE},
679 {{T_DIRECT, T_FIXED,
680 "ADAPTEC ", "ACB-4000", ""}, PQUIRK_FORCELUNS|PQUIRK_AUTOSAVE|PQUIRK_NOMODESENSE},
681 {{T_DIRECT, T_FIXED,
682 "DEC ", "RZ55 (C) DEC", ""}, PQUIRK_AUTOSAVE},
683 {{T_DIRECT, T_FIXED,
684 "EMULEX ", "MD21/S2 ESDI", "A00"},
685 PQUIRK_FORCELUNS|PQUIRK_AUTOSAVE},
686 {{T_DIRECT, T_FIXED,
687 "MICROP", "1548-15MZ1077801", "HZ2P"}, PQUIRK_NOTAG},
688 {{T_DIRECT, T_FIXED,
689 "HP ", "C372", ""}, PQUIRK_NOTAG},
690 {{T_DIRECT, T_FIXED,
691 "IBMRAID ", "0662S", ""}, PQUIRK_AUTOSAVE},
692 {{T_DIRECT, T_FIXED,
693 "IBM ", "0663H", ""}, PQUIRK_AUTOSAVE},
694 {{T_DIRECT, T_FIXED,
695 "IBM", "0664", ""}, PQUIRK_AUTOSAVE},
696 {{T_DIRECT, T_FIXED,
697 /* improperly report DT-only sync mode */
698 "IBM ", "DXHS36D", ""},
699 PQUIRK_CAP_SYNC|PQUIRK_CAP_WIDE16},
700 {{T_DIRECT, T_FIXED,
701 "IBM ", "DXHS18Y", ""},
702 PQUIRK_CAP_SYNC|PQUIRK_CAP_WIDE16},
703 {{T_DIRECT, T_FIXED,
704 "IBM ", "H3171-S2", ""},
705 PQUIRK_NOLUNS|PQUIRK_AUTOSAVE},
706 {{T_DIRECT, T_FIXED,
707 "IBM ", "KZ-C", ""}, PQUIRK_AUTOSAVE},
708 /* Broken IBM disk */
709 {{T_DIRECT, T_FIXED,
710 "" , "DFRSS2F", ""}, PQUIRK_AUTOSAVE},
711 {{T_DIRECT, T_FIXED,
712 "Initio ", "", ""}, PQUIRK_NOBIGMODESENSE},
713 {{T_DIRECT, T_FIXED,
714 "JMicron ", "Generic ", ""}, PQUIRK_NOFUA},
715 {{T_DIRECT, T_REMOV,
716 "MPL ", "MC-DISK- ", ""}, PQUIRK_NOLUNS},
717 {{T_DIRECT, T_FIXED,
718 "MAXTOR ", "XT-3280 ", ""}, PQUIRK_NOLUNS},
719 {{T_DIRECT, T_FIXED,
720 "MAXTOR ", "XT-4380S ", ""}, PQUIRK_NOLUNS},
721 {{T_DIRECT, T_FIXED,
722 "MAXTOR ", "MXT-1240S ", ""}, PQUIRK_NOLUNS},
723 {{T_DIRECT, T_FIXED,
724 "MAXTOR ", "XT-4170S ", ""}, PQUIRK_NOLUNS},
725 {{T_DIRECT, T_FIXED,
726 "MAXTOR ", "XT-8760S", ""}, PQUIRK_NOLUNS},
727 {{T_DIRECT, T_FIXED,
728 "MAXTOR ", "LXT-213S ", ""}, PQUIRK_NOLUNS},
729 {{T_DIRECT, T_FIXED,
730 "MAXTOR ", "LXT-213S SUN0207", ""}, PQUIRK_NOLUNS},
731 {{T_DIRECT, T_FIXED,
732 "MAXTOR ", "LXT-200S ", ""}, PQUIRK_NOLUNS},
733 {{T_DIRECT, T_FIXED,
734 "MEGADRV ", "EV1000", ""}, PQUIRK_NOMODESENSE},
735 {{T_DIRECT, T_FIXED,
736 "MICROP", "1991-27MZ", ""}, PQUIRK_NOTAG},
737 {{T_DIRECT, T_FIXED,
738 "MST ", "SnapLink ", ""}, PQUIRK_NOLUNS},
739 {{T_DIRECT, T_FIXED,
740 "NEC ", "D3847 ", "0307"}, PQUIRK_NOLUNS},
741 {{T_DIRECT, T_FIXED,
742 "QUANTUM ", "ELS85S ", ""}, PQUIRK_AUTOSAVE},
743 {{T_DIRECT, T_FIXED,
744 "QUANTUM ", "LPS525S ", ""}, PQUIRK_NOLUNS},
745 {{T_DIRECT, T_FIXED,
746 "QUANTUM ", "P105S 910-10-94x", ""}, PQUIRK_NOLUNS},
747 {{T_DIRECT, T_FIXED,
748 "QUANTUM ", "PD1225S ", ""}, PQUIRK_NOLUNS},
749 {{T_DIRECT, T_FIXED,
750 "QUANTUM ", "PD210S SUN0207", ""}, PQUIRK_NOLUNS},
751 {{T_DIRECT, T_FIXED,
752 "QUANTUM ", "ATLAS IV 9 WLS", "0A0A"}, PQUIRK_CAP_NODT},
753 {{T_DIRECT, T_FIXED,
754 "RODIME ", "RO3000S ", ""}, PQUIRK_NOLUNS},
755 {{T_DIRECT, T_FIXED,
756 "SEAGATE ", "ST125N ", ""}, PQUIRK_NOLUNS},
757 {{T_DIRECT, T_FIXED,
758 "SEAGATE ", "ST157N ", ""}, PQUIRK_NOLUNS},
759 {{T_DIRECT, T_FIXED,
760 "SEAGATE ", "ST296 ", ""}, PQUIRK_NOLUNS},
761 {{T_DIRECT, T_FIXED,
762 "SEAGATE ", "ST296N ", ""}, PQUIRK_NOLUNS},
763 {{T_DIRECT, T_FIXED,
764 "SEAGATE ", "ST318404LC ", ""}, PQUIRK_NOLUNS},
765 {{T_DIRECT, T_FIXED,
766 "SEAGATE ", "ST336753LC ", ""}, PQUIRK_NOLUNS},
767 {{T_DIRECT, T_FIXED,
768 "SEAGATE ", "ST336753LW ", ""}, PQUIRK_NOLUNS},
769 {{T_DIRECT, T_FIXED,
770 "SEAGATE ", "ST336754LC ", ""}, PQUIRK_NOLUNS},
771 {{T_DIRECT, T_FIXED,
772 "SEAGATE ", "ST39236LC ", ""}, PQUIRK_NOLUNS},
773 {{T_DIRECT, T_FIXED,
774 "SEAGATE ", "ST15150N ", ""}, PQUIRK_NOTAG},
775 {{T_DIRECT, T_FIXED,
776 "SEAGATE ", "ST19171", ""}, PQUIRK_NOMODESENSE},
777 {{T_DIRECT, T_FIXED,
778 "SEAGATE ", "ST32430N", ""}, PQUIRK_CAP_SYNC},
779 {{T_DIRECT, T_FIXED,
780 "SEAGATE ", "ST34501FC ", ""}, PQUIRK_NOMODESENSE},
781 {{T_DIRECT, T_FIXED,
782 "SEAGATE ", "SX910800N", ""}, PQUIRK_NOTAG},
783 {{T_DIRECT, T_FIXED,
784 "TOSHIBA ", "MK538FB ", "6027"}, PQUIRK_NOLUNS},
785 {{T_DIRECT, T_FIXED,
786 "MICROP ", "1924", ""}, PQUIRK_CAP_SYNC},
787 {{T_DIRECT, T_FIXED,
788 "FUJITSU ", "M2266", ""}, PQUIRK_CAP_SYNC},
789 {{T_DIRECT, T_FIXED,
790 "FUJITSU ", "M2624S-512 ", ""}, PQUIRK_CAP_SYNC},
791 {{T_DIRECT, T_FIXED,
792 "SEAGATE ", "SX336704LC" , ""}, PQUIRK_CAP_SYNC | PQUIRK_CAP_WIDE16},
793 {{T_DIRECT, T_FIXED,
794 "SEAGATE ", "SX173404LC", ""}, PQUIRK_CAP_SYNC | PQUIRK_CAP_WIDE16},
795 {{T_DIRECT, T_FIXED,
796 "ORACLE", "BlockVolume", ""}, PQUIRK_ONLYBIG},
797
798 {{T_DIRECT, T_REMOV,
799 "IOMEGA", "ZIP 100", "J.03"}, PQUIRK_NOLUNS|PQUIRK_NOSYNC},
800 {{T_DIRECT, T_REMOV,
801 "INSITE", "I325VM", ""}, PQUIRK_NOLUNS},
802
803 /* XXX: QIC-36 tape behind Emulex adapter. Very broken. */
804 {{T_SEQUENTIAL, T_REMOV,
805 " ", " ", " "}, PQUIRK_NOLUNS},
806 {{T_SEQUENTIAL, T_REMOV,
807 "EMULEX ", "MT-02 QIC ", ""}, PQUIRK_NOLUNS},
808 {{T_SEQUENTIAL, T_REMOV,
809 "CALIPER ", "CP150 ", ""}, PQUIRK_NOLUNS},
810 {{T_SEQUENTIAL, T_REMOV,
811 "EXABYTE ", "EXB-8200 ", ""}, PQUIRK_NOLUNS},
812 {{T_SEQUENTIAL, T_REMOV,
813 "SONY ", "GY-10C ", ""}, PQUIRK_NOLUNS},
814 {{T_SEQUENTIAL, T_REMOV,
815 "SONY ", "SDT-2000 ", "2.09"}, PQUIRK_NOLUNS},
816 {{T_SEQUENTIAL, T_REMOV,
817 "SONY ", "SDT-5000 ", "3."}, PQUIRK_NOSYNC|PQUIRK_NOWIDE},
818 {{T_SEQUENTIAL, T_REMOV,
819 "SONY ", "SDT-5200 ", "3."}, PQUIRK_NOLUNS},
820 {{T_SEQUENTIAL, T_REMOV,
821 "TANDBERG", " TDC 3600 ", ""}, PQUIRK_NOLUNS},
822 /* Following entry reported as a Tandberg 3600; ref. PR1933 */
823 {{T_SEQUENTIAL, T_REMOV,
824 "ARCHIVE ", "VIPER 150 21247", ""}, PQUIRK_NOLUNS},
825 /* Following entry for a Cipher ST150S; ref. PR4171 */
826 {{T_SEQUENTIAL, T_REMOV,
827 "ARCHIVE ", "VIPER 1500 21247", "2.2G"}, PQUIRK_NOLUNS},
828 {{T_SEQUENTIAL, T_REMOV,
829 "ARCHIVE ", "Python 28454-XXX", ""}, PQUIRK_NOLUNS},
830 {{T_SEQUENTIAL, T_REMOV,
831 "WANGTEK ", "5099ES SCSI", ""}, PQUIRK_NOLUNS},
832 {{T_SEQUENTIAL, T_REMOV,
833 "WANGTEK ", "5150ES SCSI", ""}, PQUIRK_NOLUNS},
834 {{T_SEQUENTIAL, T_REMOV,
835 "WANGTEK ", "SCSI-36", ""}, PQUIRK_NOLUNS},
836 {{T_SEQUENTIAL, T_REMOV,
837 "WangDAT ", "Model 1300 ", "02.4"}, PQUIRK_NOSYNC|PQUIRK_NOWIDE},
838 {{T_SEQUENTIAL, T_REMOV,
839 "WangDAT ", "Model 2600 ", "01.7"}, PQUIRK_NOSYNC|PQUIRK_NOWIDE},
840 {{T_SEQUENTIAL, T_REMOV,
841 "WangDAT ", "Model 3200 ", "02.2"}, PQUIRK_NOSYNC|PQUIRK_NOWIDE},
842 {{T_SEQUENTIAL, T_REMOV,
843 "TEAC ", "MT-2ST/N50 ", ""}, PQUIRK_NOLUNS},
844
845 {{T_SCANNER, T_FIXED,
846 "RICOH ", "IS60 ", "1R08"}, PQUIRK_NOLUNS},
847 {{T_SCANNER, T_FIXED,
848 "UMAX ", "Astra 1200S ", "V2.9"}, PQUIRK_NOLUNS},
849 {{T_SCANNER, T_FIXED,
850 "UMAX ", "Astra 1220S ", ""}, PQUIRK_NOLUNS},
851 {{T_SCANNER, T_FIXED,
852 "UMAX ", "UMAX S-6E ", "V2.0"}, PQUIRK_NOLUNS},
853 {{T_SCANNER, T_FIXED,
854 "UMAX ", "UMAX S-12 ", "V2.1"}, PQUIRK_NOLUNS},
855 {{T_SCANNER, T_FIXED,
856 "ULTIMA ", "A6000C ", ""}, PQUIRK_NOLUNS},
857 {{T_PROCESSOR, T_FIXED,
858 "ESG-SHV", "SCA HSBP M15", ""}, PQUIRK_NOLUNS},
859 {{T_PROCESSOR, T_FIXED,
860 "SYMBIOS", "", ""}, PQUIRK_NOLUNS},
861 {{T_PROCESSOR, T_FIXED,
862 "LITRONIC", "PCMCIA ", ""}, PQUIRK_NOLUNS},
863 {{T_CHANGER, T_REMOV,
864 "SONY ", "CDL1100 ", ""}, PQUIRK_NOLUNS},
865 {{T_ENCLOSURE, T_FIXED,
866 "SUN ", "SENA ", ""}, PQUIRK_NOLUNS},
867 };
868
869 /*
870 * given a target and lun, ask the device what
871 * it is, and find the correct driver table
872 * entry.
873 */
874 static int
875 scsi_probe_device(struct scsibus_softc *sc, int target, int lun)
876 {
877 struct scsipi_channel *chan = sc->sc_channel;
878 struct scsipi_periph *periph;
879 struct scsipi_inquiry_data inqbuf;
880 const struct scsi_quirk_inquiry_pattern *finger;
881 int checkdtype, priority, docontinue, quirks;
882 struct scsipibus_attach_args sa;
883 cfdata_t cf;
884 int locs[SCSIBUSCF_NLOCS];
885
886 /*
887 * Assume no more LUNs to search after this one.
888 * If we successfully get Inquiry data and after
889 * merging quirks we find we can probe for more
890 * LUNs, we will.
891 */
892 docontinue = 0;
893
894 /* Skip this slot if it is already attached. */
895 if (scsipi_lookup_periph(chan, target, lun) != NULL)
896 return (docontinue);
897
898 periph = scsipi_alloc_periph(M_WAITOK);
899 periph->periph_channel = chan;
900 periph->periph_switch = &scsi_probe_dev;
901
902 periph->periph_target = target;
903 periph->periph_lun = lun;
904 periph->periph_quirks = chan->chan_defquirks;
905
906 #ifdef SCSIPI_DEBUG
907 if (SCSIPI_DEBUG_TYPE == SCSIPI_BUSTYPE_SCSI &&
908 SCSIPI_DEBUG_TARGET == target &&
909 SCSIPI_DEBUG_LUN == lun)
910 periph->periph_dbflags |= SCSIPI_DEBUG_FLAGS;
911 #endif
912
913 /*
914 * Ask the device what it is
915 */
916
917 #ifdef SCSI_2_DEF
918 /* some devices need to be told to go to SCSI2 */
919 /* However some just explode if you tell them this.. leave it out */
920 scsi_change_def(periph, XS_CTL_DISCOVERY | XS_CTL_SILENT);
921 #endif /* SCSI_2_DEF */
922
923 /* Now go ask the device all about itself. */
924 memset(&inqbuf, 0, sizeof(inqbuf));
925 {
926 u_int8_t *extension = &inqbuf.flags1;
927 int len = 0;
928 while (len < 3)
929 extension[len++] = '\0';
930 while (len < 3 + 28)
931 extension[len++] = ' ';
932 while (len < 3 + 28 + 20)
933 extension[len++] = '\0';
934 while (len < 3 + 28 + 20 + 1)
935 extension[len++] = '\0';
936 while (len < 3 + 28 + 20 + 1 + 1)
937 extension[len++] = '\0';
938 while (len < 3 + 28 + 20 + 1 + 1 + (8*2))
939 extension[len++] = ' ';
940 }
941 if (scsipi_inquire(periph, &inqbuf, XS_CTL_DISCOVERY | XS_CTL_SILENT))
942 goto bad;
943
944 periph->periph_type = inqbuf.device & SID_TYPE;
945 if (inqbuf.dev_qual2 & SID_REMOVABLE)
946 periph->periph_flags |= PERIPH_REMOVABLE;
947 periph->periph_version = inqbuf.version & SID_ANSII;
948
949 /*
950 * Any device qualifier that has the top bit set (qualifier&4 != 0)
951 * is vendor specific and won't match in this switch.
952 * All we do here is throw out bad/negative responses.
953 */
954 checkdtype = 0;
955 switch (inqbuf.device & SID_QUAL) {
956 case SID_QUAL_LU_PRESENT:
957 checkdtype = 1;
958 break;
959
960 case SID_QUAL_LU_NOTPRESENT:
961 case SID_QUAL_reserved:
962 case SID_QUAL_LU_NOT_SUPP:
963 goto bad;
964
965 default:
966 break;
967 }
968
969 /* Let the adapter driver handle the device separately if it wants. */
970 if (chan->chan_adapter->adapt_accesschk != NULL &&
971 (*chan->chan_adapter->adapt_accesschk)(periph, &sa.sa_inqbuf))
972 goto bad;
973
974 if (checkdtype) {
975 switch (periph->periph_type) {
976 case T_DIRECT:
977 case T_SEQUENTIAL:
978 case T_PRINTER:
979 case T_PROCESSOR:
980 case T_WORM:
981 case T_CDROM:
982 case T_SCANNER:
983 case T_OPTICAL:
984 case T_CHANGER:
985 case T_COMM:
986 case T_IT8_1:
987 case T_IT8_2:
988 case T_STORARRAY:
989 case T_ENCLOSURE:
990 case T_SIMPLE_DIRECT:
991 case T_OPTIC_CARD_RW:
992 case T_OBJECT_STORED:
993 default:
994 break;
995 case T_NODEVICE:
996 goto bad;
997 }
998 }
999
1000 sa.sa_periph = periph;
1001 sa.sa_inqbuf.type = inqbuf.device;
1002 sa.sa_inqbuf.removable = inqbuf.dev_qual2 & SID_REMOVABLE ?
1003 T_REMOV : T_FIXED;
1004 sa.sa_inqbuf.vendor = inqbuf.vendor;
1005 sa.sa_inqbuf.product = inqbuf.product;
1006 sa.sa_inqbuf.revision = inqbuf.revision;
1007 sa.scsipi_info.scsi_version = inqbuf.version;
1008 sa.sa_inqptr = &inqbuf;
1009
1010 finger = scsipi_inqmatch(
1011 &sa.sa_inqbuf, scsi_quirk_patterns,
1012 sizeof(scsi_quirk_patterns)/sizeof(scsi_quirk_patterns[0]),
1013 sizeof(scsi_quirk_patterns[0]), &priority);
1014
1015 if (finger != NULL)
1016 quirks = finger->quirks;
1017 else
1018 quirks = 0;
1019
1020 /*
1021 * Determine the operating mode capabilities of the device.
1022 */
1023 if (periph->periph_version >= 2) {
1024 if ((inqbuf.flags3 & SID_CmdQue) != 0 &&
1025 (quirks & PQUIRK_NOTAG) == 0)
1026 periph->periph_cap |= PERIPH_CAP_TQING;
1027 if ((inqbuf.flags3 & SID_Linked) != 0)
1028 periph->periph_cap |= PERIPH_CAP_LINKCMDS;
1029 if ((inqbuf.flags3 & SID_Sync) != 0 &&
1030 (quirks & PQUIRK_NOSYNC) == 0)
1031 periph->periph_cap |= PERIPH_CAP_SYNC;
1032 if ((inqbuf.flags3 & SID_WBus16) != 0 &&
1033 (quirks & PQUIRK_NOWIDE) == 0)
1034 periph->periph_cap |= PERIPH_CAP_WIDE16;
1035 if ((inqbuf.flags3 & SID_WBus32) != 0 &&
1036 (quirks & PQUIRK_NOWIDE) == 0)
1037 periph->periph_cap |= PERIPH_CAP_WIDE32;
1038 if ((inqbuf.flags3 & SID_SftRe) != 0)
1039 periph->periph_cap |= PERIPH_CAP_SFTRESET;
1040 if ((inqbuf.flags3 & SID_RelAdr) != 0)
1041 periph->periph_cap |= PERIPH_CAP_RELADR;
1042 /* SPC-2 */
1043 if (periph->periph_version >= 3 &&
1044 !(quirks & PQUIRK_CAP_NODT)){
1045 /*
1046 * Report ST clocking though CAP_WIDExx/CAP_SYNC.
1047 * If the device only supports DT, clear these
1048 * flags (DT implies SYNC and WIDE)
1049 */
1050 switch (inqbuf.flags4 & SID_Clocking) {
1051 case SID_CLOCKING_DT_ONLY:
1052 periph->periph_cap &=
1053 ~(PERIPH_CAP_SYNC |
1054 PERIPH_CAP_WIDE16 |
1055 PERIPH_CAP_WIDE32);
1056 /* FALLTHROUGH */
1057 case SID_CLOCKING_SD_DT:
1058 periph->periph_cap |= PERIPH_CAP_DT;
1059 break;
1060 default: /* ST only or invalid */
1061 /* nothing to do */
1062 break;
1063 }
1064 }
1065 if (periph->periph_version >= 3) {
1066 if (inqbuf.flags4 & SID_IUS)
1067 periph->periph_cap |= PERIPH_CAP_IUS;
1068 if (inqbuf.flags4 & SID_QAS)
1069 periph->periph_cap |= PERIPH_CAP_QAS;
1070 }
1071 }
1072 if (quirks & PQUIRK_CAP_SYNC)
1073 periph->periph_cap |= PERIPH_CAP_SYNC;
1074 if (quirks & PQUIRK_CAP_WIDE16)
1075 periph->periph_cap |= PERIPH_CAP_WIDE16;
1076
1077 /*
1078 * Now apply any quirks from the table.
1079 */
1080 periph->periph_quirks |= quirks;
1081 if (periph->periph_version == 0 &&
1082 (periph->periph_quirks & PQUIRK_FORCELUNS) == 0)
1083 periph->periph_quirks |= PQUIRK_NOLUNS;
1084
1085 if ((periph->periph_quirks & PQUIRK_NOLUNS) == 0)
1086 docontinue = 1;
1087
1088 locs[SCSIBUSCF_TARGET] = target;
1089 locs[SCSIBUSCF_LUN] = lun;
1090
1091 KERNEL_LOCK(1, NULL);
1092 if ((cf = config_search(sc->sc_dev, &sa,
1093 CFARGS(.submatch = config_stdsubmatch,
1094 .locators = locs))) != NULL) {
1095 scsipi_insert_periph(chan, periph);
1096
1097 /*
1098 * Determine supported opcodes and timeouts if available.
1099 * Only do this on peripherals reporting SCSI version 3
1100 * or greater - this command isn't in the SCSI-2 spec. and
1101 * it causes either timeouts or peripherals disappearing
1102 * when sent to some SCSI-1 or SCSI-2 peripherals.
1103 */
1104 if (periph->periph_version >= 3)
1105 scsipi_get_opcodeinfo(periph);
1106
1107 /*
1108 * XXX Can't assign periph_dev here, because we'll
1109 * XXX need it before config_attach() returns. Must
1110 * XXX assign it in periph driver.
1111 */
1112 config_attach(sc->sc_dev, cf, &sa, scsibusprint,
1113 CFARGS(.locators = locs));
1114 KERNEL_UNLOCK_ONE(NULL);
1115 } else {
1116 scsibusprint(&sa, device_xname(sc->sc_dev));
1117 aprint_normal(" not configured\n");
1118 KERNEL_UNLOCK_ONE(NULL);
1119 goto bad;
1120 }
1121
1122 return (docontinue);
1123
1124 bad:
1125 scsipi_free_periph(periph);
1126 return (docontinue);
1127 }
1128
1129 /****** Entry points for user control of the SCSI bus. ******/
1130
1131 static int
1132 scsibusopen(dev_t dev, int flag, int fmt,
1133 struct lwp *l)
1134 {
1135 struct scsibus_softc *sc;
1136 int error, unit = minor(dev);
1137
1138 sc = device_lookup_private(&scsibus_cd, unit);
1139 if (sc == NULL)
1140 return (ENXIO);
1141
1142 if (sc->sc_flags & SCSIBUSF_OPEN)
1143 return (EBUSY);
1144
1145 if ((error = scsipi_adapter_addref(sc->sc_channel->chan_adapter)) != 0)
1146 return (error);
1147
1148 sc->sc_flags |= SCSIBUSF_OPEN;
1149
1150 return (0);
1151 }
1152
1153 static int
1154 scsibusclose(dev_t dev, int flag, int fmt,
1155 struct lwp *l)
1156 {
1157 struct scsibus_softc *sc;
1158
1159 sc = device_lookup_private(&scsibus_cd, minor(dev));
1160 scsipi_adapter_delref(sc->sc_channel->chan_adapter);
1161
1162 sc->sc_flags &= ~SCSIBUSF_OPEN;
1163
1164 return (0);
1165 }
1166
1167 static int
1168 scsibusioctl(dev_t dev, u_long cmd, void *addr, int flag, struct lwp *l)
1169 {
1170 struct scsibus_softc *sc;
1171 struct scsipi_channel *chan;
1172 int error;
1173
1174 sc = device_lookup_private(&scsibus_cd, minor(dev));
1175 chan = sc->sc_channel;
1176
1177 /*
1178 * Enforce write permission for ioctls that change the
1179 * state of the bus. Host adapter specific ioctls must
1180 * be checked by the adapter driver.
1181 */
1182 switch (cmd) {
1183 case SCBUSIOSCAN:
1184 case SCBUSIODETACH:
1185 case SCBUSIORESET:
1186 if ((flag & FWRITE) == 0)
1187 return (EBADF);
1188 }
1189
1190 switch (cmd) {
1191 case SCBUSIOSCAN:
1192 {
1193 struct scbusioscan_args *a =
1194 (struct scbusioscan_args *)addr;
1195
1196 error = scsi_probe_bus(sc, a->sa_target, a->sa_lun);
1197 break;
1198 }
1199
1200 case SCBUSIODETACH:
1201 {
1202 struct scbusiodetach_args *a =
1203 (struct scbusiodetach_args *)addr;
1204
1205 error = scsipi_target_detach(chan, a->sa_target, a->sa_lun, 0);
1206 break;
1207 }
1208
1209
1210 case SCBUSIORESET:
1211 /* FALLTHROUGH */
1212 default:
1213 error = scsipi_adapter_ioctl(chan, cmd, addr, flag, l->l_proc);
1214 break;
1215 }
1216
1217 return (error);
1218 }
Cache object: 9f56d4fcb22b588354396f76c7756faa
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