1 /* $NetBSD: scsiconf.c,v 1.291 2021/04/24 23:36:58 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@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 1.291 2021/04/24 23:36:58 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 CFARG_SUBMATCH, config_stdsubmatch, 1017 CFARG_LOCATORS, locs, 1018 CFARG_EOL)) != NULL) { 1019 scsipi_insert_periph(chan, periph); 1020 1021 /* 1022 * Determine supported opcodes and timeouts if available. 1023 * Only do this on peripherals reporting SCSI version 3 1024 * or greater - this command isn't in the SCSI-2 spec. and 1025 * it causes either timeouts or peripherals disappearing 1026 * when sent to some SCSI-1 or SCSI-2 peripherals. 1027 */ 1028 if (periph->periph_version >= 3) 1029 scsipi_get_opcodeinfo(periph); 1030 1031 /* 1032 * XXX Can't assign periph_dev here, because we'll 1033 * XXX need it before config_attach() returns. Must 1034 * XXX assign it in periph driver. 1035 */ 1036 config_attach(sc->sc_dev, cf, &sa, scsibusprint, 1037 CFARG_LOCATORS, locs, 1038 CFARG_EOL); 1039 } else { 1040 scsibusprint(&sa, device_xname(sc->sc_dev)); 1041 aprint_normal(" not configured\n"); 1042 goto bad; 1043 } 1044 1045 return (docontinue); 1046 1047 bad: 1048 scsipi_free_periph(periph); 1049 return (docontinue); 1050 } 1051 1052 /****** Entry points for user control of the SCSI bus. ******/ 1053 1054 static int 1055 scsibusopen(dev_t dev, int flag, int fmt, 1056 struct lwp *l) 1057 { 1058 struct scsibus_softc *sc; 1059 int error, unit = minor(dev); 1060 1061 sc = device_lookup_private(&scsibus_cd, unit); 1062 if (sc == NULL) 1063 return (ENXIO); 1064 1065 if (sc->sc_flags & SCSIBUSF_OPEN) 1066 return (EBUSY); 1067 1068 if ((error = scsipi_adapter_addref(sc->sc_channel->chan_adapter)) != 0) 1069 return (error); 1070 1071 sc->sc_flags |= SCSIBUSF_OPEN; 1072 1073 return (0); 1074 } 1075 1076 static int 1077 scsibusclose(dev_t dev, int flag, int fmt, 1078 struct lwp *l) 1079 { 1080 struct scsibus_softc *sc; 1081 1082 sc = device_lookup_private(&scsibus_cd, minor(dev)); 1083 scsipi_adapter_delref(sc->sc_channel->chan_adapter); 1084 1085 sc->sc_flags &= ~SCSIBUSF_OPEN; 1086 1087 return (0); 1088 } 1089 1090 static int 1091 scsibusioctl(dev_t dev, u_long cmd, void *addr, int flag, struct lwp *l) 1092 { 1093 struct scsibus_softc *sc; 1094 struct scsipi_channel *chan; 1095 int error; 1096 1097 sc = device_lookup_private(&scsibus_cd, minor(dev)); 1098 chan = sc->sc_channel; 1099 1100 /* 1101 * Enforce write permission for ioctls that change the 1102 * state of the bus. Host adapter specific ioctls must 1103 * be checked by the adapter driver. 1104 */ 1105 switch (cmd) { 1106 case SCBUSIOSCAN: 1107 case SCBUSIODETACH: 1108 case SCBUSIORESET: 1109 if ((flag & FWRITE) == 0) 1110 return (EBADF); 1111 } 1112 1113 switch (cmd) { 1114 case SCBUSIOSCAN: 1115 { 1116 struct scbusioscan_args *a = 1117 (struct scbusioscan_args *)addr; 1118 1119 error = scsi_probe_bus(sc, a->sa_target, a->sa_lun); 1120 break; 1121 } 1122 1123 case SCBUSIODETACH: 1124 { 1125 struct scbusiodetach_args *a = 1126 (struct scbusiodetach_args *)addr; 1127 1128 error = scsipi_target_detach(chan, a->sa_target, a->sa_lun, 0); 1129 break; 1130 } 1131 1132 1133 case SCBUSIORESET: 1134 /* FALLTHROUGH */ 1135 default: 1136 error = scsipi_adapter_ioctl(chan, cmd, addr, flag, l->l_proc); 1137 break; 1138 } 1139 1140 return (error); 1141 } 1142