scsiconf.c revision 1.292 1 /* $NetBSD: scsiconf.c,v 1.292 2021/08/07 16:19:16 thorpej 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 (at) 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 (at) tfs.com) Sept 1992
48 */
49
50 #include <sys/cdefs.h>
51 __KERNEL_RCSID(0, "$NetBSD: scsiconf.c,v 1.292 2021/08/07 16:19:16 thorpej 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
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 static const struct scsipi_periphsw scsi_probe_dev = {
75 NULL,
76 NULL,
77 NULL,
78 NULL,
79 };
80
81 struct scsi_initq {
82 struct scsipi_channel *sc_channel;
83 TAILQ_ENTRY(scsi_initq) scsi_initq;
84 };
85
86 static ONCE_DECL(scsi_conf_ctrl);
87 static TAILQ_HEAD(, scsi_initq) scsi_initq_head;
88 static kmutex_t scsibus_qlock;
89 static kcondvar_t scsibus_qcv;
90
91 static int scsi_probe_device(struct scsibus_softc *, int, int);
92
93 static int scsibusmatch(device_t, cfdata_t, void *);
94 static void scsibusattach(device_t, device_t, void *);
95 static int scsibusdetach(device_t, int flags);
96 static int scsibusrescan(device_t, const char *, const int *);
97 static void scsidevdetached(device_t, device_t);
98
99 CFATTACH_DECL3_NEW(scsibus, sizeof(struct scsibus_softc),
100 scsibusmatch, scsibusattach, scsibusdetach, NULL,
101 scsibusrescan, scsidevdetached, DVF_DETACH_SHUTDOWN);
102
103 extern struct cfdriver scsibus_cd;
104
105 static dev_type_open(scsibusopen);
106 static dev_type_close(scsibusclose);
107 static dev_type_ioctl(scsibusioctl);
108
109 const struct cdevsw scsibus_cdevsw = {
110 .d_open = scsibusopen,
111 .d_close = scsibusclose,
112 .d_read = noread,
113 .d_write = nowrite,
114 .d_ioctl = scsibusioctl,
115 .d_stop = nostop,
116 .d_tty = notty,
117 .d_poll = nopoll,
118 .d_mmap = nommap,
119 .d_kqfilter = nokqfilter,
120 .d_discard = nodiscard,
121 .d_flag = D_OTHER | D_MPSAFE
122 };
123
124 static int scsibusprint(void *, const char *);
125 static void scsibus_discover_thread(void *);
126 static void scsibus_config(struct scsibus_softc *);
127
128 const struct scsipi_bustype scsi_bustype = {
129 .bustype_type = SCSIPI_BUSTYPE_BUSTYPE(SCSIPI_BUSTYPE_SCSI,
130 SCSIPI_BUSTYPE_SCSI_PSCSI),
131 .bustype_cmd = scsi_scsipi_cmd,
132 .bustype_interpret_sense = scsipi_interpret_sense,
133 .bustype_printaddr = scsi_print_addr,
134 .bustype_kill_pending = scsi_kill_pending,
135 .bustype_async_event_xfer_mode = scsi_async_event_xfer_mode,
136 };
137
138 const struct scsipi_bustype scsi_fc_bustype = {
139 .bustype_type = SCSIPI_BUSTYPE_BUSTYPE(SCSIPI_BUSTYPE_SCSI,
140 SCSIPI_BUSTYPE_SCSI_FC),
141 .bustype_cmd = scsi_scsipi_cmd,
142 .bustype_interpret_sense = scsipi_interpret_sense,
143 .bustype_printaddr = scsi_print_addr,
144 .bustype_kill_pending = scsi_kill_pending,
145 .bustype_async_event_xfer_mode = scsi_fc_sas_async_event_xfer_mode,
146 };
147
148 const struct scsipi_bustype scsi_sas_bustype = {
149 .bustype_type = SCSIPI_BUSTYPE_BUSTYPE(SCSIPI_BUSTYPE_SCSI,
150 SCSIPI_BUSTYPE_SCSI_SAS),
151 .bustype_cmd = scsi_scsipi_cmd,
152 .bustype_interpret_sense = scsipi_interpret_sense,
153 .bustype_printaddr = scsi_print_addr,
154 .bustype_kill_pending = scsi_kill_pending,
155 .bustype_async_event_xfer_mode = scsi_fc_sas_async_event_xfer_mode,
156 };
157
158 const struct scsipi_bustype scsi_usb_bustype = {
159 .bustype_type = SCSIPI_BUSTYPE_BUSTYPE(SCSIPI_BUSTYPE_SCSI,
160 SCSIPI_BUSTYPE_SCSI_USB),
161 .bustype_cmd = scsi_scsipi_cmd,
162 .bustype_interpret_sense = scsipi_interpret_sense,
163 .bustype_printaddr = scsi_print_addr,
164 .bustype_kill_pending = scsi_kill_pending,
165 .bustype_async_event_xfer_mode = NULL,
166 };
167
168 static int
169 scsibus_init(void)
170 {
171
172 TAILQ_INIT(&scsi_initq_head);
173 mutex_init(&scsibus_qlock, MUTEX_DEFAULT, IPL_NONE);
174 cv_init(&scsibus_qcv, "scsinitq");
175 return 0;
176 }
177
178 int
179 scsiprint(void *aux, const char *pnp)
180 {
181 struct scsipi_channel *chan = aux;
182 struct scsipi_adapter *adapt = chan->chan_adapter;
183
184 /* only "scsibus"es can attach to "scsi"s; easy. */
185 if (pnp)
186 aprint_normal("scsibus at %s", pnp);
187
188 /* don't print channel if the controller says there can be only one. */
189 if (adapt->adapt_nchannels != 1)
190 aprint_normal(" channel %d", chan->chan_channel);
191
192 return (UNCONF);
193 }
194
195 static int
196 scsibusmatch(device_t parent, cfdata_t cf, void *aux)
197 {
198 struct scsipi_channel *chan = aux;
199
200 if (SCSIPI_BUSTYPE_TYPE(chan->chan_bustype->bustype_type) !=
201 SCSIPI_BUSTYPE_SCSI)
202 return 0;
203
204 if (cf->cf_loc[SCSICF_CHANNEL] != chan->chan_channel &&
205 cf->cf_loc[SCSICF_CHANNEL] != SCSICF_CHANNEL_DEFAULT)
206 return (0);
207
208 return (1);
209 }
210
211 static void
212 scsibusattach(device_t parent, device_t self, void *aux)
213 {
214 struct scsibus_softc *sc = device_private(self);
215 struct scsipi_channel *chan = aux;
216 struct scsi_initq *scsi_initq;
217
218 if (!pmf_device_register(self, NULL, NULL))
219 aprint_error_dev(self, "couldn't establish power handler\n");
220
221 sc->sc_dev = self;
222 sc->sc_channel = chan;
223 chan->chan_name = device_xname(sc->sc_dev);
224
225 aprint_naive(": SCSI bus\n");
226 aprint_normal(": %d target%s, %d lun%s per target\n",
227 chan->chan_ntargets,
228 chan->chan_ntargets == 1 ? "" : "s",
229 chan->chan_nluns,
230 chan->chan_nluns == 1 ? "" : "s");
231
232 /*
233 * XXX
234 * newer adapters support more than 256 outstanding commands
235 * per periph and don't use the tag (they eventually allocate one
236 * internally). Right now scsipi always allocate a tag and
237 * is limited to 256 tags, per scsi specs.
238 * this should be revisited
239 */
240 if (chan->chan_flags & SCSIPI_CHAN_OPENINGS) {
241 if (chan->chan_max_periph > 256)
242 chan->chan_max_periph = 256;
243 } else {
244 if (chan->chan_adapter->adapt_max_periph > 256)
245 chan->chan_adapter->adapt_max_periph = 256;
246 }
247
248 if (atomic_inc_uint_nv(&chan_running(chan)) == 1)
249 mutex_init(chan_mtx(chan), MUTEX_DEFAULT, IPL_BIO);
250
251 cv_init(&chan->chan_cv_thr, "scshut");
252 cv_init(&chan->chan_cv_comp, "sccomp");
253 cv_init(&chan->chan_cv_xs, "xscmd");
254
255 if (scsipi_adapter_addref(chan->chan_adapter))
256 return;
257
258 RUN_ONCE(&scsi_conf_ctrl, scsibus_init);
259
260 /* Initialize the channel structure first */
261 chan->chan_init_cb = NULL;
262 chan->chan_init_cb_arg = NULL;
263
264 scsi_initq = malloc(sizeof(struct scsi_initq), M_DEVBUF, M_WAITOK);
265 scsi_initq->sc_channel = chan;
266 TAILQ_INSERT_TAIL(&scsi_initq_head, scsi_initq, scsi_initq);
267 config_pending_incr(sc->sc_dev);
268 if (scsipi_channel_init(chan)) {
269 aprint_error_dev(sc->sc_dev, "failed to init channel\n");
270 return;
271 }
272
273 /*
274 * Create the discover thread
275 */
276 if (kthread_create(PRI_NONE, 0, NULL, scsibus_discover_thread, sc,
277 &chan->chan_dthread, "%s-d", chan->chan_name)) {
278 aprint_error_dev(sc->sc_dev, "unable to create discovery "
279 "thread for channel %d\n", chan->chan_channel);
280 return;
281 }
282 }
283
284 static void
285 scsibus_discover_thread(void *arg)
286 {
287 struct scsibus_softc *sc = arg;
288
289 scsibus_config(sc);
290 sc->sc_channel->chan_dthread = NULL;
291 kthread_exit(0);
292 }
293
294 static void
295 scsibus_config(struct scsibus_softc *sc)
296 {
297 struct scsipi_channel *chan = sc->sc_channel;
298 struct scsi_initq *scsi_initq;
299
300 #ifndef SCSI_DELAY
301 #define SCSI_DELAY 2
302 #endif
303 if ((chan->chan_flags & SCSIPI_CHAN_NOSETTLE) == 0 &&
304 SCSI_DELAY > 0) {
305 aprint_normal_dev(sc->sc_dev,
306 "waiting %d seconds for devices to settle...\n",
307 SCSI_DELAY);
308 /* ...an identifier we know no one will use... */
309 kpause("scsidly", false, SCSI_DELAY * hz, NULL);
310 }
311
312 /* Make sure the devices probe in scsibus order to avoid jitter. */
313 mutex_enter(&scsibus_qlock);
314 for (;;) {
315 scsi_initq = TAILQ_FIRST(&scsi_initq_head);
316 if (scsi_initq->sc_channel == chan)
317 break;
318 cv_wait(&scsibus_qcv, &scsibus_qlock);
319 }
320 mutex_exit(&scsibus_qlock);
321
322 scsi_probe_bus(sc, -1, -1);
323
324 mutex_enter(&scsibus_qlock);
325 TAILQ_REMOVE(&scsi_initq_head, scsi_initq, scsi_initq);
326 cv_broadcast(&scsibus_qcv);
327 mutex_exit(&scsibus_qlock);
328
329 free(scsi_initq, M_DEVBUF);
330
331 scsipi_adapter_delref(chan->chan_adapter);
332
333 config_pending_decr(sc->sc_dev);
334 }
335
336 static int
337 scsibusdetach(device_t self, int flags)
338 {
339 struct scsibus_softc *sc = device_private(self);
340 struct scsipi_channel *chan = sc->sc_channel;
341 int error;
342
343 /*
344 * Defer while discovery thread is running
345 */
346 while (chan->chan_dthread != NULL)
347 kpause("scsibusdet", false, hz, NULL);
348
349 /*
350 * Detach all of the periphs.
351 */
352 error = scsipi_target_detach(chan, -1, -1, flags);
353 if (error)
354 return error;
355
356 pmf_device_deregister(self);
357
358 /*
359 * Shut down the channel.
360 */
361 scsipi_channel_shutdown(chan);
362
363 cv_destroy(&chan->chan_cv_xs);
364 cv_destroy(&chan->chan_cv_comp);
365 cv_destroy(&chan->chan_cv_thr);
366
367 if (atomic_dec_uint_nv(&chan_running(chan)) == 0)
368 mutex_destroy(chan_mtx(chan));
369
370 return 0;
371 }
372
373 /*
374 * Probe the requested scsi bus. It must be already set up.
375 * target and lun optionally narrow the search if not -1
376 */
377 int
378 scsi_probe_bus(struct scsibus_softc *sc, int target, int lun)
379 {
380 struct scsipi_channel *chan = sc->sc_channel;
381 int maxtarget, mintarget, maxlun, minlun;
382 int error;
383
384 if (target == -1) {
385 maxtarget = chan->chan_ntargets - 1;
386 mintarget = 0;
387 } else {
388 if (target < 0 || target >= chan->chan_ntargets)
389 return (EINVAL);
390 maxtarget = mintarget = target;
391 }
392
393 if (lun == -1) {
394 maxlun = chan->chan_nluns - 1;
395 minlun = 0;
396 } else {
397 if (lun < 0 || lun >= chan->chan_nluns)
398 return (EINVAL);
399 maxlun = minlun = lun;
400 }
401
402 /*
403 * Some HBAs provide an abstracted view of the bus; give them an
404 * opportunity to re-scan it before we do.
405 */
406 scsipi_adapter_ioctl(chan, SCBUSIOLLSCAN, NULL, 0, curproc);
407
408 if ((error = scsipi_adapter_addref(chan->chan_adapter)) != 0)
409 goto ret;
410 for (target = mintarget; target <= maxtarget; target++) {
411 if (target == chan->chan_id)
412 continue;
413 for (lun = minlun; lun <= maxlun; lun++) {
414 /*
415 * See if there's a device present, and configure it.
416 */
417 if (scsi_probe_device(sc, target, lun) == 0)
418 break;
419 /* otherwise something says we should look further */
420 }
421
422 /*
423 * Now that we've discovered all of the LUNs on this
424 * I_T Nexus, update the xfer mode for all of them
425 * that we know about.
426 */
427 scsipi_set_xfer_mode(chan, target, 1);
428 }
429
430 scsipi_adapter_delref(chan->chan_adapter);
431 ret:
432 return (error);
433 }
434
435 static int
436 scsibusrescan(device_t sc, const char *ifattr, const int *locators)
437 {
438
439 KASSERT(ifattr && !strcmp(ifattr, "scsibus"));
440 KASSERT(locators);
441
442 return (scsi_probe_bus(device_private(sc),
443 locators[SCSIBUSCF_TARGET], locators[SCSIBUSCF_LUN]));
444 }
445
446 static void
447 scsidevdetached(device_t self, device_t child)
448 {
449 struct scsibus_softc *sc = device_private(self);
450 struct scsipi_channel *chan = sc->sc_channel;
451 struct scsipi_periph *periph;
452 int target, lun;
453
454 target = device_locator(child, SCSIBUSCF_TARGET);
455 lun = device_locator(child, SCSIBUSCF_LUN);
456
457 mutex_enter(chan_mtx(chan));
458
459 periph = scsipi_lookup_periph_locked(chan, target, lun);
460 KASSERT(periph != NULL && periph->periph_dev == child);
461
462 scsipi_remove_periph(chan, periph);
463 scsipi_free_periph(periph);
464
465 mutex_exit(chan_mtx(chan));
466 }
467
468 /*
469 * Print out autoconfiguration information for a subdevice.
470 *
471 * This is a slight abuse of 'standard' autoconfiguration semantics,
472 * because 'print' functions don't normally print the colon and
473 * device information. However, in this case that's better than
474 * either printing redundant information before the attach message,
475 * or having the device driver call a special function to print out
476 * the standard device information.
477 */
478 static int
479 scsibusprint(void *aux, const char *pnp)
480 {
481 struct scsipibus_attach_args *sa = aux;
482 struct scsipi_inquiry_pattern *inqbuf;
483 u_int8_t type;
484 const char *dtype;
485 char vendor[33], product[65], revision[17];
486 int target, lun;
487
488 if (pnp != NULL)
489 aprint_normal("%s", pnp);
490
491 inqbuf = &sa->sa_inqbuf;
492
493 target = sa->sa_periph->periph_target;
494 lun = sa->sa_periph->periph_lun;
495 type = inqbuf->type & SID_TYPE;
496
497 dtype = scsipi_dtype(type);
498
499 strnvisx(vendor, sizeof(vendor), inqbuf->vendor, 8,
500 VIS_TRIM|VIS_SAFE|VIS_OCTAL);
501 strnvisx(product, sizeof(product), inqbuf->product, 16,
502 VIS_TRIM|VIS_SAFE|VIS_OCTAL);
503 strnvisx(revision, sizeof(revision), inqbuf->revision, 4,
504 VIS_TRIM|VIS_SAFE|VIS_OCTAL);
505
506 aprint_normal(" target %d lun %d: <%s, %s, %s> %s %s%s",
507 target, lun, vendor, product, revision, dtype,
508 inqbuf->removable ? "removable" : "fixed",
509 (sa->sa_periph->periph_opcs != NULL)
510 ? " timeout-info" : "");
511
512 return (UNCONF);
513 }
514
515 static const struct scsi_quirk_inquiry_pattern scsi_quirk_patterns[] = {
516 {{T_DIRECT, T_REMOV,
517 "Apple ", "iPod ", ""}, PQUIRK_START},
518 {{T_CDROM, T_REMOV,
519 "CHINON ", "CD-ROM CDS-431 ", ""}, PQUIRK_NOLUNS},
520 {{T_CDROM, T_REMOV,
521 "CHINON ", "CD-ROM CDS-435 ", ""}, PQUIRK_NOLUNS},
522 {{T_CDROM, T_REMOV,
523 "Chinon ", "CD-ROM CDS-525 ", ""}, PQUIRK_NOLUNS},
524 {{T_CDROM, T_REMOV,
525 "CHINON ", "CD-ROM CDS-535 ", ""}, PQUIRK_NOLUNS},
526 {{T_CDROM, T_REMOV,
527 "DEC ", "RRD42 (C) DEC ", ""}, PQUIRK_NOLUNS},
528 {{T_CDROM, T_REMOV,
529 "DENON ", "DRD-25X ", "V"}, PQUIRK_NOLUNS},
530 {{T_CDROM, T_REMOV,
531 "GENERIC ", "CRD-BP2 ", ""}, PQUIRK_NOLUNS},
532 {{T_CDROM, T_REMOV,
533 "HP ", "C4324/C4325 ", ""}, PQUIRK_NOLUNS},
534 {{T_CDROM, T_REMOV,
535 "IMS ", "CDD521/10 ", "2.06"}, PQUIRK_NOLUNS},
536 {{T_CDROM, T_REMOV,
537 "MATSHITA", "CD-ROM CR-5XX ", "1.0b"}, PQUIRK_NOLUNS},
538 {{T_CDROM, T_REMOV,
539 "MEDAVIS ", "RENO CD-ROMX2A ", ""}, PQUIRK_NOLUNS},
540 {{T_CDROM, T_REMOV,
541 "MEDIAVIS", "CDR-H93MV ", "1.3"}, PQUIRK_NOLUNS},
542 {{T_CDROM, T_REMOV,
543 "NEC ", "CD-ROM DRIVE:502", ""}, PQUIRK_NOLUNS},
544 {{T_CDROM, T_REMOV,
545 "NEC ", "CD-ROM DRIVE:55 ", ""}, PQUIRK_NOLUNS},
546 {{T_CDROM, T_REMOV,
547 "NEC ", "CD-ROM DRIVE:83 ", ""}, PQUIRK_NOLUNS},
548 {{T_CDROM, T_REMOV,
549 "NEC ", "CD-ROM DRIVE:84 ", ""}, PQUIRK_NOLUNS},
550 {{T_CDROM, T_REMOV,
551 "NEC ", "CD-ROM DRIVE:841", ""}, PQUIRK_NOLUNS},
552 {{T_CDROM, T_REMOV,
553 "OLYMPUS ", "CDS620E ", "1.1d"},
554 PQUIRK_NOLUNS|PQUIRK_NOSYNC|PQUIRK_NOCAPACITY},
555 {{T_CDROM, T_REMOV,
556 "PIONEER ", "CD-ROM DR-124X ", "1.01"}, PQUIRK_NOLUNS},
557 {{T_CDROM, T_REMOV,
558 "PLEXTOR ", "CD-ROM PX-4XCS ", "1.01"},
559 PQUIRK_NOLUNS|PQUIRK_NOSYNC},
560 {{T_CDROM, T_REMOV,
561 "SONY ", "CD-ROM CDU-541 ", ""}, PQUIRK_NOLUNS},
562 {{T_CDROM, T_REMOV,
563 "SONY ", "CD-ROM CDU-55S ", ""}, PQUIRK_NOLUNS},
564 {{T_CDROM, T_REMOV,
565 "SONY ", "CD-ROM CDU-561 ", ""}, PQUIRK_NOLUNS},
566 {{T_CDROM, T_REMOV,
567 "SONY ", "CD-ROM CDU-76S", ""},
568 PQUIRK_NOLUNS|PQUIRK_NOSYNC|PQUIRK_NOWIDE},
569 {{T_CDROM, T_REMOV,
570 "SONY ", "CD-ROM CDU-8003A", ""}, PQUIRK_NOLUNS},
571 {{T_CDROM, T_REMOV,
572 "SONY ", "CD-ROM CDU-8012 ", ""}, PQUIRK_NOLUNS},
573 {{T_CDROM, T_REMOV,
574 "TEAC ", "CD-ROM ", "1.06"}, PQUIRK_NOLUNS},
575 {{T_CDROM, T_REMOV,
576 "TEAC ", "CD-ROM CD-56S ", "1.0B"}, PQUIRK_NOLUNS},
577 {{T_CDROM, T_REMOV,
578 "TEXEL ", "CD-ROM ", "1.06"}, PQUIRK_NOLUNS},
579 {{T_CDROM, T_REMOV,
580 "TEXEL ", "CD-ROM DM-XX24 K", "1.09"}, PQUIRK_NOLUNS},
581 {{T_CDROM, T_REMOV,
582 "TEXEL ", "CD-ROM DM-XX24 K", "1.10"}, PQUIRK_NOLUNS},
583 {{T_CDROM, T_REMOV,
584 "TOSHIBA ", "XM-4101TASUNSLCD", ""}, PQUIRK_NOLUNS|PQUIRK_NOSYNC},
585 /* "IBM CDRM00201 !F" 0724 is an IBM OEM Toshiba XM-4101BME */
586 {{T_CDROM, T_REMOV,
587 "IBM ", "CDRM00201 !F", "0724"}, PQUIRK_NOLUNS|PQUIRK_NOSYNC},
588 {{T_CDROM, T_REMOV,
589 "ShinaKen", "CD-ROM DM-3x1S", "1.04"}, PQUIRK_NOLUNS},
590 {{T_CDROM, T_REMOV,
591 "JVC ", "R2626", ""}, PQUIRK_NOLUNS},
592 {{T_CDROM, T_REMOV,
593 "YAMAHA", "CRW8424S", ""}, PQUIRK_NOLUNS},
594 {{T_CDROM, T_REMOV,
595 "NEC ", "CD-ROM DRIVE:222", ""}, PQUIRK_NOLUNS|PQUIRK_NOSYNC},
596
597 {{T_DIRECT, T_FIXED,
598 "MICROP ", "1588-15MBSUN0669", ""}, PQUIRK_AUTOSAVE},
599 {{T_DIRECT, T_FIXED,
600 "MICROP ", "2217-15MQ1091501", ""}, PQUIRK_NOSYNCCACHE},
601 {{T_OPTICAL, T_REMOV,
602 "EPSON ", "OMD-5010 ", "3.08"}, PQUIRK_NOLUNS},
603 {{T_DIRECT, T_FIXED,
604 "ADAPTEC ", "AEC-4412BD", "1.2A"}, PQUIRK_NOMODESENSE},
605 {{T_DIRECT, T_FIXED,
606 "ADAPTEC ", "ACB-4000", ""}, PQUIRK_FORCELUNS|PQUIRK_AUTOSAVE|PQUIRK_NOMODESENSE},
607 {{T_DIRECT, T_FIXED,
608 "DEC ", "RZ55 (C) DEC", ""}, PQUIRK_AUTOSAVE},
609 {{T_DIRECT, T_FIXED,
610 "EMULEX ", "MD21/S2 ESDI", "A00"},
611 PQUIRK_FORCELUNS|PQUIRK_AUTOSAVE},
612 {{T_DIRECT, T_FIXED,
613 "MICROP", "1548-15MZ1077801", "HZ2P"}, PQUIRK_NOTAG},
614 {{T_DIRECT, T_FIXED,
615 "HP ", "C372", ""}, PQUIRK_NOTAG},
616 {{T_DIRECT, T_FIXED,
617 "IBMRAID ", "0662S", ""}, PQUIRK_AUTOSAVE},
618 {{T_DIRECT, T_FIXED,
619 "IBM ", "0663H", ""}, PQUIRK_AUTOSAVE},
620 {{T_DIRECT, T_FIXED,
621 "IBM", "0664", ""}, PQUIRK_AUTOSAVE},
622 {{T_DIRECT, T_FIXED,
623 /* improperly report DT-only sync mode */
624 "IBM ", "DXHS36D", ""},
625 PQUIRK_CAP_SYNC|PQUIRK_CAP_WIDE16},
626 {{T_DIRECT, T_FIXED,
627 "IBM ", "DXHS18Y", ""},
628 PQUIRK_CAP_SYNC|PQUIRK_CAP_WIDE16},
629 {{T_DIRECT, T_FIXED,
630 "IBM ", "H3171-S2", ""},
631 PQUIRK_NOLUNS|PQUIRK_AUTOSAVE},
632 {{T_DIRECT, T_FIXED,
633 "IBM ", "KZ-C", ""}, PQUIRK_AUTOSAVE},
634 /* Broken IBM disk */
635 {{T_DIRECT, T_FIXED,
636 "" , "DFRSS2F", ""}, PQUIRK_AUTOSAVE},
637 {{T_DIRECT, T_FIXED,
638 "Initio ", "", ""}, PQUIRK_NOBIGMODESENSE},
639 {{T_DIRECT, T_FIXED,
640 "JMicron ", "Generic ", ""}, PQUIRK_NOFUA},
641 {{T_DIRECT, T_REMOV,
642 "MPL ", "MC-DISK- ", ""}, PQUIRK_NOLUNS},
643 {{T_DIRECT, T_FIXED,
644 "MAXTOR ", "XT-3280 ", ""}, PQUIRK_NOLUNS},
645 {{T_DIRECT, T_FIXED,
646 "MAXTOR ", "XT-4380S ", ""}, PQUIRK_NOLUNS},
647 {{T_DIRECT, T_FIXED,
648 "MAXTOR ", "MXT-1240S ", ""}, PQUIRK_NOLUNS},
649 {{T_DIRECT, T_FIXED,
650 "MAXTOR ", "XT-4170S ", ""}, PQUIRK_NOLUNS},
651 {{T_DIRECT, T_FIXED,
652 "MAXTOR ", "XT-8760S", ""}, PQUIRK_NOLUNS},
653 {{T_DIRECT, T_FIXED,
654 "MAXTOR ", "LXT-213S ", ""}, PQUIRK_NOLUNS},
655 {{T_DIRECT, T_FIXED,
656 "MAXTOR ", "LXT-213S SUN0207", ""}, PQUIRK_NOLUNS},
657 {{T_DIRECT, T_FIXED,
658 "MAXTOR ", "LXT-200S ", ""}, PQUIRK_NOLUNS},
659 {{T_DIRECT, T_FIXED,
660 "MEGADRV ", "EV1000", ""}, PQUIRK_NOMODESENSE},
661 {{T_DIRECT, T_FIXED,
662 "MICROP", "1991-27MZ", ""}, PQUIRK_NOTAG},
663 {{T_DIRECT, T_FIXED,
664 "MST ", "SnapLink ", ""}, PQUIRK_NOLUNS},
665 {{T_DIRECT, T_FIXED,
666 "NEC ", "D3847 ", "0307"}, PQUIRK_NOLUNS},
667 {{T_DIRECT, T_FIXED,
668 "QUANTUM ", "ELS85S ", ""}, PQUIRK_AUTOSAVE},
669 {{T_DIRECT, T_FIXED,
670 "QUANTUM ", "LPS525S ", ""}, PQUIRK_NOLUNS},
671 {{T_DIRECT, T_FIXED,
672 "QUANTUM ", "P105S 910-10-94x", ""}, PQUIRK_NOLUNS},
673 {{T_DIRECT, T_FIXED,
674 "QUANTUM ", "PD1225S ", ""}, PQUIRK_NOLUNS},
675 {{T_DIRECT, T_FIXED,
676 "QUANTUM ", "PD210S SUN0207", ""}, PQUIRK_NOLUNS},
677 {{T_DIRECT, T_FIXED,
678 "QUANTUM ", "ATLAS IV 9 WLS", "0A0A"}, PQUIRK_CAP_NODT},
679 {{T_DIRECT, T_FIXED,
680 "RODIME ", "RO3000S ", ""}, PQUIRK_NOLUNS},
681 {{T_DIRECT, T_FIXED,
682 "SEAGATE ", "ST125N ", ""}, PQUIRK_NOLUNS},
683 {{T_DIRECT, T_FIXED,
684 "SEAGATE ", "ST157N ", ""}, PQUIRK_NOLUNS},
685 {{T_DIRECT, T_FIXED,
686 "SEAGATE ", "ST296 ", ""}, PQUIRK_NOLUNS},
687 {{T_DIRECT, T_FIXED,
688 "SEAGATE ", "ST296N ", ""}, PQUIRK_NOLUNS},
689 {{T_DIRECT, T_FIXED,
690 "SEAGATE ", "ST318404LC ", ""}, PQUIRK_NOLUNS},
691 {{T_DIRECT, T_FIXED,
692 "SEAGATE ", "ST336753LC ", ""}, PQUIRK_NOLUNS},
693 {{T_DIRECT, T_FIXED,
694 "SEAGATE ", "ST336753LW ", ""}, PQUIRK_NOLUNS},
695 {{T_DIRECT, T_FIXED,
696 "SEAGATE ", "ST336754LC ", ""}, PQUIRK_NOLUNS},
697 {{T_DIRECT, T_FIXED,
698 "SEAGATE ", "ST39236LC ", ""}, PQUIRK_NOLUNS},
699 {{T_DIRECT, T_FIXED,
700 "SEAGATE ", "ST15150N ", ""}, PQUIRK_NOTAG},
701 {{T_DIRECT, T_FIXED,
702 "SEAGATE ", "ST19171", ""}, PQUIRK_NOMODESENSE},
703 {{T_DIRECT, T_FIXED,
704 "SEAGATE ", "ST32430N", ""}, PQUIRK_CAP_SYNC},
705 {{T_DIRECT, T_FIXED,
706 "SEAGATE ", "ST34501FC ", ""}, PQUIRK_NOMODESENSE},
707 {{T_DIRECT, T_FIXED,
708 "SEAGATE ", "SX910800N", ""}, PQUIRK_NOTAG},
709 {{T_DIRECT, T_FIXED,
710 "TOSHIBA ", "MK538FB ", "6027"}, PQUIRK_NOLUNS},
711 {{T_DIRECT, T_FIXED,
712 "MICROP ", "1924", ""}, PQUIRK_CAP_SYNC},
713 {{T_DIRECT, T_FIXED,
714 "FUJITSU ", "M2266", ""}, PQUIRK_CAP_SYNC},
715 {{T_DIRECT, T_FIXED,
716 "FUJITSU ", "M2624S-512 ", ""}, PQUIRK_CAP_SYNC},
717 {{T_DIRECT, T_FIXED,
718 "SEAGATE ", "SX336704LC" , ""}, PQUIRK_CAP_SYNC | PQUIRK_CAP_WIDE16},
719 {{T_DIRECT, T_FIXED,
720 "SEAGATE ", "SX173404LC", ""}, PQUIRK_CAP_SYNC | PQUIRK_CAP_WIDE16},
721
722 {{T_DIRECT, T_REMOV,
723 "IOMEGA", "ZIP 100", "J.03"}, PQUIRK_NOLUNS|PQUIRK_NOSYNC},
724 {{T_DIRECT, T_REMOV,
725 "INSITE", "I325VM", ""}, PQUIRK_NOLUNS},
726
727 /* XXX: QIC-36 tape behind Emulex adapter. Very broken. */
728 {{T_SEQUENTIAL, T_REMOV,
729 " ", " ", " "}, PQUIRK_NOLUNS},
730 {{T_SEQUENTIAL, T_REMOV,
731 "EMULEX ", "MT-02 QIC ", ""}, PQUIRK_NOLUNS},
732 {{T_SEQUENTIAL, T_REMOV,
733 "CALIPER ", "CP150 ", ""}, PQUIRK_NOLUNS},
734 {{T_SEQUENTIAL, T_REMOV,
735 "EXABYTE ", "EXB-8200 ", ""}, PQUIRK_NOLUNS},
736 {{T_SEQUENTIAL, T_REMOV,
737 "SONY ", "GY-10C ", ""}, PQUIRK_NOLUNS},
738 {{T_SEQUENTIAL, T_REMOV,
739 "SONY ", "SDT-2000 ", "2.09"}, PQUIRK_NOLUNS},
740 {{T_SEQUENTIAL, T_REMOV,
741 "SONY ", "SDT-5000 ", "3."}, PQUIRK_NOSYNC|PQUIRK_NOWIDE},
742 {{T_SEQUENTIAL, T_REMOV,
743 "SONY ", "SDT-5200 ", "3."}, PQUIRK_NOLUNS},
744 {{T_SEQUENTIAL, T_REMOV,
745 "TANDBERG", " TDC 3600 ", ""}, PQUIRK_NOLUNS},
746 /* Following entry reported as a Tandberg 3600; ref. PR1933 */
747 {{T_SEQUENTIAL, T_REMOV,
748 "ARCHIVE ", "VIPER 150 21247", ""}, PQUIRK_NOLUNS},
749 /* Following entry for a Cipher ST150S; ref. PR4171 */
750 {{T_SEQUENTIAL, T_REMOV,
751 "ARCHIVE ", "VIPER 1500 21247", "2.2G"}, PQUIRK_NOLUNS},
752 {{T_SEQUENTIAL, T_REMOV,
753 "ARCHIVE ", "Python 28454-XXX", ""}, PQUIRK_NOLUNS},
754 {{T_SEQUENTIAL, T_REMOV,
755 "WANGTEK ", "5099ES SCSI", ""}, PQUIRK_NOLUNS},
756 {{T_SEQUENTIAL, T_REMOV,
757 "WANGTEK ", "5150ES SCSI", ""}, PQUIRK_NOLUNS},
758 {{T_SEQUENTIAL, T_REMOV,
759 "WANGTEK ", "SCSI-36", ""}, PQUIRK_NOLUNS},
760 {{T_SEQUENTIAL, T_REMOV,
761 "WangDAT ", "Model 1300 ", "02.4"}, PQUIRK_NOSYNC|PQUIRK_NOWIDE},
762 {{T_SEQUENTIAL, T_REMOV,
763 "WangDAT ", "Model 2600 ", "01.7"}, PQUIRK_NOSYNC|PQUIRK_NOWIDE},
764 {{T_SEQUENTIAL, T_REMOV,
765 "WangDAT ", "Model 3200 ", "02.2"}, PQUIRK_NOSYNC|PQUIRK_NOWIDE},
766 {{T_SEQUENTIAL, T_REMOV,
767 "TEAC ", "MT-2ST/N50 ", ""}, PQUIRK_NOLUNS},
768
769 {{T_SCANNER, T_FIXED,
770 "RICOH ", "IS60 ", "1R08"}, PQUIRK_NOLUNS},
771 {{T_SCANNER, T_FIXED,
772 "UMAX ", "Astra 1200S ", "V2.9"}, PQUIRK_NOLUNS},
773 {{T_SCANNER, T_FIXED,
774 "UMAX ", "Astra 1220S ", ""}, PQUIRK_NOLUNS},
775 {{T_SCANNER, T_FIXED,
776 "UMAX ", "UMAX S-6E ", "V2.0"}, PQUIRK_NOLUNS},
777 {{T_SCANNER, T_FIXED,
778 "UMAX ", "UMAX S-12 ", "V2.1"}, PQUIRK_NOLUNS},
779 {{T_SCANNER, T_FIXED,
780 "ULTIMA ", "A6000C ", ""}, PQUIRK_NOLUNS},
781 {{T_PROCESSOR, T_FIXED,
782 "ESG-SHV", "SCA HSBP M15", ""}, PQUIRK_NOLUNS},
783 {{T_PROCESSOR, T_FIXED,
784 "SYMBIOS", "", ""}, PQUIRK_NOLUNS},
785 {{T_PROCESSOR, T_FIXED,
786 "LITRONIC", "PCMCIA ", ""}, PQUIRK_NOLUNS},
787 {{T_CHANGER, T_REMOV,
788 "SONY ", "CDL1100 ", ""}, PQUIRK_NOLUNS},
789 {{T_ENCLOSURE, T_FIXED,
790 "SUN ", "SENA ", ""}, PQUIRK_NOLUNS},
791 };
792
793 /*
794 * given a target and lun, ask the device what
795 * it is, and find the correct driver table
796 * entry.
797 */
798 static int
799 scsi_probe_device(struct scsibus_softc *sc, int target, int lun)
800 {
801 struct scsipi_channel *chan = sc->sc_channel;
802 struct scsipi_periph *periph;
803 struct scsipi_inquiry_data inqbuf;
804 const struct scsi_quirk_inquiry_pattern *finger;
805 int checkdtype, priority, docontinue, quirks;
806 struct scsipibus_attach_args sa;
807 cfdata_t cf;
808 int locs[SCSIBUSCF_NLOCS];
809
810 /*
811 * Assume no more LUNs to search after this one.
812 * If we successfully get Inquiry data and after
813 * merging quirks we find we can probe for more
814 * LUNs, we will.
815 */
816 docontinue = 0;
817
818 /* Skip this slot if it is already attached. */
819 if (scsipi_lookup_periph(chan, target, lun) != NULL)
820 return (docontinue);
821
822 periph = scsipi_alloc_periph(M_WAITOK);
823 periph->periph_channel = chan;
824 periph->periph_switch = &scsi_probe_dev;
825
826 periph->periph_target = target;
827 periph->periph_lun = lun;
828 periph->periph_quirks = chan->chan_defquirks;
829
830 #ifdef SCSIPI_DEBUG
831 if (SCSIPI_DEBUG_TYPE == SCSIPI_BUSTYPE_SCSI &&
832 SCSIPI_DEBUG_TARGET == target &&
833 SCSIPI_DEBUG_LUN == lun)
834 periph->periph_dbflags |= SCSIPI_DEBUG_FLAGS;
835 #endif
836
837 /*
838 * Ask the device what it is
839 */
840
841 #ifdef SCSI_2_DEF
842 /* some devices need to be told to go to SCSI2 */
843 /* However some just explode if you tell them this.. leave it out */
844 scsi_change_def(periph, XS_CTL_DISCOVERY | XS_CTL_SILENT);
845 #endif /* SCSI_2_DEF */
846
847 /* Now go ask the device all about itself. */
848 memset(&inqbuf, 0, sizeof(inqbuf));
849 {
850 u_int8_t *extension = &inqbuf.flags1;
851 int len = 0;
852 while (len < 3)
853 extension[len++] = '\0';
854 while (len < 3 + 28)
855 extension[len++] = ' ';
856 while (len < 3 + 28 + 20)
857 extension[len++] = '\0';
858 while (len < 3 + 28 + 20 + 1)
859 extension[len++] = '\0';
860 while (len < 3 + 28 + 20 + 1 + 1)
861 extension[len++] = '\0';
862 while (len < 3 + 28 + 20 + 1 + 1 + (8*2))
863 extension[len++] = ' ';
864 }
865 if (scsipi_inquire(periph, &inqbuf, XS_CTL_DISCOVERY | XS_CTL_SILENT))
866 goto bad;
867
868 periph->periph_type = inqbuf.device & SID_TYPE;
869 if (inqbuf.dev_qual2 & SID_REMOVABLE)
870 periph->periph_flags |= PERIPH_REMOVABLE;
871 periph->periph_version = inqbuf.version & SID_ANSII;
872
873 /*
874 * Any device qualifier that has the top bit set (qualifier&4 != 0)
875 * is vendor specific and won't match in this switch.
876 * All we do here is throw out bad/negative responses.
877 */
878 checkdtype = 0;
879 switch (inqbuf.device & SID_QUAL) {
880 case SID_QUAL_LU_PRESENT:
881 checkdtype = 1;
882 break;
883
884 case SID_QUAL_LU_NOTPRESENT:
885 case SID_QUAL_reserved:
886 case SID_QUAL_LU_NOT_SUPP:
887 goto bad;
888
889 default:
890 break;
891 }
892
893 /* Let the adapter driver handle the device separately if it wants. */
894 if (chan->chan_adapter->adapt_accesschk != NULL &&
895 (*chan->chan_adapter->adapt_accesschk)(periph, &sa.sa_inqbuf))
896 goto bad;
897
898 if (checkdtype) {
899 switch (periph->periph_type) {
900 case T_DIRECT:
901 case T_SEQUENTIAL:
902 case T_PRINTER:
903 case T_PROCESSOR:
904 case T_WORM:
905 case T_CDROM:
906 case T_SCANNER:
907 case T_OPTICAL:
908 case T_CHANGER:
909 case T_COMM:
910 case T_IT8_1:
911 case T_IT8_2:
912 case T_STORARRAY:
913 case T_ENCLOSURE:
914 case T_SIMPLE_DIRECT:
915 case T_OPTIC_CARD_RW:
916 case T_OBJECT_STORED:
917 default:
918 break;
919 case T_NODEVICE:
920 goto bad;
921 }
922 }
923
924 sa.sa_periph = periph;
925 sa.sa_inqbuf.type = inqbuf.device;
926 sa.sa_inqbuf.removable = inqbuf.dev_qual2 & SID_REMOVABLE ?
927 T_REMOV : T_FIXED;
928 sa.sa_inqbuf.vendor = inqbuf.vendor;
929 sa.sa_inqbuf.product = inqbuf.product;
930 sa.sa_inqbuf.revision = inqbuf.revision;
931 sa.scsipi_info.scsi_version = inqbuf.version;
932 sa.sa_inqptr = &inqbuf;
933
934 finger = scsipi_inqmatch(
935 &sa.sa_inqbuf, scsi_quirk_patterns,
936 sizeof(scsi_quirk_patterns)/sizeof(scsi_quirk_patterns[0]),
937 sizeof(scsi_quirk_patterns[0]), &priority);
938
939 if (finger != NULL)
940 quirks = finger->quirks;
941 else
942 quirks = 0;
943
944 /*
945 * Determine the operating mode capabilities of the device.
946 */
947 if (periph->periph_version >= 2) {
948 if ((inqbuf.flags3 & SID_CmdQue) != 0 &&
949 (quirks & PQUIRK_NOTAG) == 0)
950 periph->periph_cap |= PERIPH_CAP_TQING;
951 if ((inqbuf.flags3 & SID_Linked) != 0)
952 periph->periph_cap |= PERIPH_CAP_LINKCMDS;
953 if ((inqbuf.flags3 & SID_Sync) != 0 &&
954 (quirks & PQUIRK_NOSYNC) == 0)
955 periph->periph_cap |= PERIPH_CAP_SYNC;
956 if ((inqbuf.flags3 & SID_WBus16) != 0 &&
957 (quirks & PQUIRK_NOWIDE) == 0)
958 periph->periph_cap |= PERIPH_CAP_WIDE16;
959 if ((inqbuf.flags3 & SID_WBus32) != 0 &&
960 (quirks & PQUIRK_NOWIDE) == 0)
961 periph->periph_cap |= PERIPH_CAP_WIDE32;
962 if ((inqbuf.flags3 & SID_SftRe) != 0)
963 periph->periph_cap |= PERIPH_CAP_SFTRESET;
964 if ((inqbuf.flags3 & SID_RelAdr) != 0)
965 periph->periph_cap |= PERIPH_CAP_RELADR;
966 /* SPC-2 */
967 if (periph->periph_version >= 3 &&
968 !(quirks & PQUIRK_CAP_NODT)){
969 /*
970 * Report ST clocking though CAP_WIDExx/CAP_SYNC.
971 * If the device only supports DT, clear these
972 * flags (DT implies SYNC and WIDE)
973 */
974 switch (inqbuf.flags4 & SID_Clocking) {
975 case SID_CLOCKING_DT_ONLY:
976 periph->periph_cap &=
977 ~(PERIPH_CAP_SYNC |
978 PERIPH_CAP_WIDE16 |
979 PERIPH_CAP_WIDE32);
980 /* FALLTHROUGH */
981 case SID_CLOCKING_SD_DT:
982 periph->periph_cap |= PERIPH_CAP_DT;
983 break;
984 default: /* ST only or invalid */
985 /* nothing to do */
986 break;
987 }
988 }
989 if (periph->periph_version >= 3) {
990 if (inqbuf.flags4 & SID_IUS)
991 periph->periph_cap |= PERIPH_CAP_IUS;
992 if (inqbuf.flags4 & SID_QAS)
993 periph->periph_cap |= PERIPH_CAP_QAS;
994 }
995 }
996 if (quirks & PQUIRK_CAP_SYNC)
997 periph->periph_cap |= PERIPH_CAP_SYNC;
998 if (quirks & PQUIRK_CAP_WIDE16)
999 periph->periph_cap |= PERIPH_CAP_WIDE16;
1000
1001 /*
1002 * Now apply any quirks from the table.
1003 */
1004 periph->periph_quirks |= quirks;
1005 if (periph->periph_version == 0 &&
1006 (periph->periph_quirks & PQUIRK_FORCELUNS) == 0)
1007 periph->periph_quirks |= PQUIRK_NOLUNS;
1008
1009 if ((periph->periph_quirks & PQUIRK_NOLUNS) == 0)
1010 docontinue = 1;
1011
1012 locs[SCSIBUSCF_TARGET] = target;
1013 locs[SCSIBUSCF_LUN] = lun;
1014
1015 if ((cf = config_search(sc->sc_dev, &sa,
1016 CFARGS(.submatch = config_stdsubmatch,
1017 .locators = locs))) != NULL) {
1018 scsipi_insert_periph(chan, periph);
1019
1020 /*
1021 * Determine supported opcodes and timeouts if available.
1022 * Only do this on peripherals reporting SCSI version 3
1023 * or greater - this command isn't in the SCSI-2 spec. and
1024 * it causes either timeouts or peripherals disappearing
1025 * when sent to some SCSI-1 or SCSI-2 peripherals.
1026 */
1027 if (periph->periph_version >= 3)
1028 scsipi_get_opcodeinfo(periph);
1029
1030 /*
1031 * XXX Can't assign periph_dev here, because we'll
1032 * XXX need it before config_attach() returns. Must
1033 * XXX assign it in periph driver.
1034 */
1035 config_attach(sc->sc_dev, cf, &sa, scsibusprint,
1036 CFARGS(.locators = locs));
1037 } else {
1038 scsibusprint(&sa, device_xname(sc->sc_dev));
1039 aprint_normal(" not configured\n");
1040 goto bad;
1041 }
1042
1043 return (docontinue);
1044
1045 bad:
1046 scsipi_free_periph(periph);
1047 return (docontinue);
1048 }
1049
1050 /****** Entry points for user control of the SCSI bus. ******/
1051
1052 static int
1053 scsibusopen(dev_t dev, int flag, int fmt,
1054 struct lwp *l)
1055 {
1056 struct scsibus_softc *sc;
1057 int error, unit = minor(dev);
1058
1059 sc = device_lookup_private(&scsibus_cd, unit);
1060 if (sc == NULL)
1061 return (ENXIO);
1062
1063 if (sc->sc_flags & SCSIBUSF_OPEN)
1064 return (EBUSY);
1065
1066 if ((error = scsipi_adapter_addref(sc->sc_channel->chan_adapter)) != 0)
1067 return (error);
1068
1069 sc->sc_flags |= SCSIBUSF_OPEN;
1070
1071 return (0);
1072 }
1073
1074 static int
1075 scsibusclose(dev_t dev, int flag, int fmt,
1076 struct lwp *l)
1077 {
1078 struct scsibus_softc *sc;
1079
1080 sc = device_lookup_private(&scsibus_cd, minor(dev));
1081 scsipi_adapter_delref(sc->sc_channel->chan_adapter);
1082
1083 sc->sc_flags &= ~SCSIBUSF_OPEN;
1084
1085 return (0);
1086 }
1087
1088 static int
1089 scsibusioctl(dev_t dev, u_long cmd, void *addr, int flag, struct lwp *l)
1090 {
1091 struct scsibus_softc *sc;
1092 struct scsipi_channel *chan;
1093 int error;
1094
1095 sc = device_lookup_private(&scsibus_cd, minor(dev));
1096 chan = sc->sc_channel;
1097
1098 /*
1099 * Enforce write permission for ioctls that change the
1100 * state of the bus. Host adapter specific ioctls must
1101 * be checked by the adapter driver.
1102 */
1103 switch (cmd) {
1104 case SCBUSIOSCAN:
1105 case SCBUSIODETACH:
1106 case SCBUSIORESET:
1107 if ((flag & FWRITE) == 0)
1108 return (EBADF);
1109 }
1110
1111 switch (cmd) {
1112 case SCBUSIOSCAN:
1113 {
1114 struct scbusioscan_args *a =
1115 (struct scbusioscan_args *)addr;
1116
1117 error = scsi_probe_bus(sc, a->sa_target, a->sa_lun);
1118 break;
1119 }
1120
1121 case SCBUSIODETACH:
1122 {
1123 struct scbusiodetach_args *a =
1124 (struct scbusiodetach_args *)addr;
1125
1126 error = scsipi_target_detach(chan, a->sa_target, a->sa_lun, 0);
1127 break;
1128 }
1129
1130
1131 case SCBUSIORESET:
1132 /* FALLTHROUGH */
1133 default:
1134 error = scsipi_adapter_ioctl(chan, cmd, addr, flag, l->l_proc);
1135 break;
1136 }
1137
1138 return (error);
1139 }
1140