1 /* $NetBSD: scsiconf.c,v 1.275 2016/06/26 07:31:35 mlelstv Exp $ */ 2 3 /*- 4 * Copyright (c) 1998, 1999, 2004 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Charles M. Hannum; Jason R. Thorpe of the Numerical Aerospace 9 * Simulation Facility, NASA Ames Research Center. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 30 * POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 /* 34 * Originally written by Julian Elischer (julian@tfs.com) 35 * for TRW Financial Systems for use under the MACH(2.5) operating system. 36 * 37 * TRW Financial Systems, in accordance with their agreement with Carnegie 38 * Mellon University, makes this software available to CMU to distribute 39 * or use in any manner that they see fit as long as this message is kept with 40 * the software. For this reason TFS also grants any other persons or 41 * organisations permission to use or modify this software. 42 * 43 * TFS supplies this software to be publicly redistributed 44 * on the understanding that TFS is not responsible for the correct 45 * functioning of this software in any circumstances. 46 * 47 * Ported to run under 386BSD by Julian Elischer (julian@tfs.com) Sept 1992 48 */ 49 50 #include <sys/cdefs.h> 51 __KERNEL_RCSID(0, "$NetBSD: scsiconf.c,v 1.275 2016/06/26 07:31:35 mlelstv Exp $"); 52 53 #include <sys/param.h> 54 #include <sys/systm.h> 55 #include <sys/kernel.h> 56 #include <sys/proc.h> 57 #include <sys/kthread.h> 58 #include <sys/malloc.h> 59 #include <sys/mutex.h> 60 #include <sys/once.h> 61 #include <sys/device.h> 62 #include <sys/conf.h> 63 #include <sys/fcntl.h> 64 #include <sys/scsiio.h> 65 #include <sys/queue.h> 66 67 #include <dev/scsipi/scsi_all.h> 68 #include <dev/scsipi/scsipi_all.h> 69 #include <dev/scsipi/scsiconf.h> 70 71 #include "locators.h" 72 73 static const struct scsipi_periphsw scsi_probe_dev = { 74 NULL, 75 NULL, 76 NULL, 77 NULL, 78 }; 79 80 struct scsi_initq { 81 struct scsipi_channel *sc_channel; 82 TAILQ_ENTRY(scsi_initq) scsi_initq; 83 }; 84 85 static ONCE_DECL(scsi_conf_ctrl); 86 static TAILQ_HEAD(, scsi_initq) scsi_initq_head; 87 static kmutex_t scsibus_qlock; 88 static kcondvar_t scsibus_qcv; 89 90 static int scsi_probe_device(struct scsibus_softc *, int, int); 91 92 static int scsibusmatch(device_t, cfdata_t, void *); 93 static void scsibusattach(device_t, device_t, void *); 94 static int scsibusdetach(device_t, int flags); 95 static int scsibusrescan(device_t, const char *, const int *); 96 static void scsidevdetached(device_t, device_t); 97 98 CFATTACH_DECL3_NEW(scsibus, sizeof(struct scsibus_softc), 99 scsibusmatch, scsibusattach, scsibusdetach, NULL, 100 scsibusrescan, scsidevdetached, DVF_DETACH_SHUTDOWN); 101 102 extern struct cfdriver scsibus_cd; 103 104 static dev_type_open(scsibusopen); 105 static dev_type_close(scsibusclose); 106 static dev_type_ioctl(scsibusioctl); 107 108 const struct cdevsw scsibus_cdevsw = { 109 .d_open = scsibusopen, 110 .d_close = scsibusclose, 111 .d_read = noread, 112 .d_write = nowrite, 113 .d_ioctl = scsibusioctl, 114 .d_stop = nostop, 115 .d_tty = notty, 116 .d_poll = nopoll, 117 .d_mmap = nommap, 118 .d_kqfilter = nokqfilter, 119 .d_discard = nodiscard, 120 .d_flag = D_OTHER 121 }; 122 123 static int scsibusprint(void *, const char *); 124 static void scsibus_discover_thread(void *); 125 static void scsibus_config(struct scsibus_softc *); 126 127 const struct scsipi_bustype scsi_bustype = { 128 SCSIPI_BUSTYPE_BUSTYPE(SCSIPI_BUSTYPE_SCSI, SCSIPI_BUSTYPE_SCSI_PSCSI), 129 scsi_scsipi_cmd, 130 scsipi_interpret_sense, 131 scsi_print_addr, 132 scsi_kill_pending, 133 scsi_async_event_xfer_mode, 134 }; 135 136 const struct scsipi_bustype scsi_fc_bustype = { 137 SCSIPI_BUSTYPE_BUSTYPE(SCSIPI_BUSTYPE_SCSI, SCSIPI_BUSTYPE_SCSI_FC), 138 scsi_scsipi_cmd, 139 scsipi_interpret_sense, 140 scsi_print_addr, 141 scsi_kill_pending, 142 scsi_fc_sas_async_event_xfer_mode, 143 }; 144 145 const struct scsipi_bustype scsi_sas_bustype = { 146 SCSIPI_BUSTYPE_BUSTYPE(SCSIPI_BUSTYPE_SCSI, SCSIPI_BUSTYPE_SCSI_SAS), 147 scsi_scsipi_cmd, 148 scsipi_interpret_sense, 149 scsi_print_addr, 150 scsi_kill_pending, 151 scsi_fc_sas_async_event_xfer_mode, 152 }; 153 154 const struct scsipi_bustype scsi_usb_bustype = { 155 SCSIPI_BUSTYPE_BUSTYPE(SCSIPI_BUSTYPE_SCSI, SCSIPI_BUSTYPE_SCSI_USB), 156 scsi_scsipi_cmd, 157 scsipi_interpret_sense, 158 scsi_print_addr, 159 scsi_kill_pending, 160 NULL, 161 }; 162 163 static int 164 scsibus_init(void) 165 { 166 167 TAILQ_INIT(&scsi_initq_head); 168 mutex_init(&scsibus_qlock, MUTEX_DEFAULT, IPL_NONE); 169 cv_init(&scsibus_qcv, "scsinitq"); 170 return 0; 171 } 172 173 int 174 scsiprint(void *aux, const char *pnp) 175 { 176 struct scsipi_channel *chan = aux; 177 struct scsipi_adapter *adapt = chan->chan_adapter; 178 179 /* only "scsibus"es can attach to "scsi"s; easy. */ 180 if (pnp) 181 aprint_normal("scsibus at %s", pnp); 182 183 /* don't print channel if the controller says there can be only one. */ 184 if (adapt->adapt_nchannels != 1) 185 aprint_normal(" channel %d", chan->chan_channel); 186 187 return (UNCONF); 188 } 189 190 static int 191 scsibusmatch(device_t parent, cfdata_t cf, void *aux) 192 { 193 struct scsipi_channel *chan = aux; 194 195 if (SCSIPI_BUSTYPE_TYPE(chan->chan_bustype->bustype_type) != 196 SCSIPI_BUSTYPE_SCSI) 197 return 0; 198 199 if (cf->cf_loc[SCSICF_CHANNEL] != chan->chan_channel && 200 cf->cf_loc[SCSICF_CHANNEL] != SCSICF_CHANNEL_DEFAULT) 201 return (0); 202 203 return (1); 204 } 205 206 static void 207 scsibusattach(device_t parent, device_t self, void *aux) 208 { 209 struct scsibus_softc *sc = device_private(self); 210 struct scsipi_channel *chan = aux; 211 struct scsi_initq *scsi_initq; 212 213 if (!pmf_device_register(self, NULL, NULL)) 214 aprint_error_dev(self, "couldn't establish power handler\n"); 215 216 sc->sc_dev = self; 217 sc->sc_channel = chan; 218 chan->chan_name = device_xname(sc->sc_dev); 219 220 aprint_naive(": SCSI bus\n"); 221 aprint_normal(": %d target%s, %d lun%s per target\n", 222 chan->chan_ntargets, 223 chan->chan_ntargets == 1 ? "" : "s", 224 chan->chan_nluns, 225 chan->chan_nluns == 1 ? "" : "s"); 226 227 /* 228 * XXX 229 * newer adapters support more than 256 outstanding commands 230 * per periph and don't use the tag (they eventually allocate one 231 * internally). Right now scsipi always allocate a tag and 232 * is limited to 256 tags, per scsi specs. 233 * this should be revisited 234 */ 235 if (chan->chan_flags & SCSIPI_CHAN_OPENINGS) { 236 if (chan->chan_max_periph > 256) 237 chan->chan_max_periph = 256; 238 } else { 239 if (chan->chan_adapter->adapt_max_periph > 256) 240 chan->chan_adapter->adapt_max_periph = 256; 241 } 242 243 if (scsipi_adapter_addref(chan->chan_adapter)) 244 return; 245 246 RUN_ONCE(&scsi_conf_ctrl, scsibus_init); 247 248 /* Initialize the channel structure first */ 249 chan->chan_init_cb = NULL; 250 chan->chan_init_cb_arg = NULL; 251 252 scsi_initq = malloc(sizeof(struct scsi_initq), M_DEVBUF, M_WAITOK); 253 scsi_initq->sc_channel = chan; 254 TAILQ_INSERT_TAIL(&scsi_initq_head, scsi_initq, scsi_initq); 255 config_pending_incr(sc->sc_dev); 256 if (scsipi_channel_init(chan)) { 257 aprint_error_dev(sc->sc_dev, "failed to init channel\n"); 258 return; 259 } 260 261 /* 262 * Create the discover thread 263 */ 264 if (kthread_create(PRI_NONE, 0, NULL, scsibus_discover_thread, sc, 265 NULL, "%s-d", chan->chan_name)) { 266 aprint_error_dev(sc->sc_dev, "unable to create discovery " 267 "thread for channel %d\n", chan->chan_channel); 268 return; 269 } 270 } 271 272 static void 273 scsibus_discover_thread(void *arg) 274 { 275 struct scsibus_softc *sc = arg; 276 277 scsibus_config(sc); 278 kthread_exit(0); 279 } 280 281 static void 282 scsibus_config(struct scsibus_softc *sc) 283 { 284 struct scsipi_channel *chan = sc->sc_channel; 285 struct scsi_initq *scsi_initq; 286 287 #ifndef SCSI_DELAY 288 #define SCSI_DELAY 2 289 #endif 290 if ((chan->chan_flags & SCSIPI_CHAN_NOSETTLE) == 0 && 291 SCSI_DELAY > 0) { 292 aprint_normal_dev(sc->sc_dev, 293 "waiting %d seconds for devices to settle...\n", 294 SCSI_DELAY); 295 /* ...an identifier we know no one will use... */ 296 (void) tsleep(scsibus_config, PRIBIO, 297 "scsidly", SCSI_DELAY * hz); 298 } 299 300 /* Make sure the devices probe in scsibus order to avoid jitter. */ 301 mutex_enter(&scsibus_qlock); 302 for (;;) { 303 scsi_initq = TAILQ_FIRST(&scsi_initq_head); 304 if (scsi_initq->sc_channel == chan) 305 break; 306 cv_wait(&scsibus_qcv, &scsibus_qlock); 307 } 308 mutex_exit(&scsibus_qlock); 309 310 scsi_probe_bus(sc, -1, -1); 311 312 mutex_enter(&scsibus_qlock); 313 TAILQ_REMOVE(&scsi_initq_head, scsi_initq, scsi_initq); 314 cv_broadcast(&scsibus_qcv); 315 mutex_exit(&scsibus_qlock); 316 317 free(scsi_initq, M_DEVBUF); 318 319 scsipi_adapter_delref(chan->chan_adapter); 320 321 config_pending_decr(sc->sc_dev); 322 } 323 324 static int 325 scsibusdetach(device_t self, int flags) 326 { 327 struct scsibus_softc *sc = device_private(self); 328 struct scsipi_channel *chan = sc->sc_channel; 329 struct scsipi_periph *periph; 330 int ctarget, clun; 331 struct scsipi_xfer *xs; 332 int error; 333 334 /* XXXSMP scsipi */ 335 KERNEL_LOCK(1, curlwp); 336 337 /* 338 * Detach all of the periphs. 339 */ 340 if ((error = scsipi_target_detach(chan, -1, -1, flags)) != 0) { 341 /* XXXSMP scsipi */ 342 KERNEL_UNLOCK_ONE(curlwp); 343 344 return error; 345 } 346 347 pmf_device_deregister(self); 348 349 /* 350 * Process outstanding commands (which will never complete as the 351 * controller is gone). 352 * 353 * XXX Surely this is redundant? If we get this far, the 354 * XXX peripherals have all been detached. 355 */ 356 for (ctarget = 0; ctarget < chan->chan_ntargets; ctarget++) { 357 if (ctarget == chan->chan_id) 358 continue; 359 for (clun = 0; clun < chan->chan_nluns; clun++) { 360 periph = scsipi_lookup_periph(chan, ctarget, clun); 361 if (periph == NULL) 362 continue; 363 TAILQ_FOREACH(xs, &periph->periph_xferq, device_q) { 364 callout_stop(&xs->xs_callout); 365 xs->error = XS_DRIVER_STUFFUP; 366 scsipi_done(xs); 367 } 368 } 369 } 370 371 /* 372 * Now shut down the channel. 373 */ 374 scsipi_channel_shutdown(chan); 375 376 /* XXXSMP scsipi */ 377 KERNEL_UNLOCK_ONE(curlwp); 378 379 return 0; 380 } 381 382 /* 383 * Probe the requested scsi bus. It must be already set up. 384 * target and lun optionally narrow the search if not -1 385 */ 386 int 387 scsi_probe_bus(struct scsibus_softc *sc, int target, int lun) 388 { 389 struct scsipi_channel *chan = sc->sc_channel; 390 int maxtarget, mintarget, maxlun, minlun; 391 int error; 392 393 /* XXXSMP scsipi */ 394 KERNEL_LOCK(1, curlwp); 395 396 if (target == -1) { 397 maxtarget = chan->chan_ntargets - 1; 398 mintarget = 0; 399 } else { 400 if (target < 0 || target >= chan->chan_ntargets) 401 return (EINVAL); 402 maxtarget = mintarget = target; 403 } 404 405 if (lun == -1) { 406 maxlun = chan->chan_nluns - 1; 407 minlun = 0; 408 } else { 409 if (lun < 0 || lun >= chan->chan_nluns) 410 return (EINVAL); 411 maxlun = minlun = lun; 412 } 413 414 /* 415 * Some HBAs provide an abstracted view of the bus; give them an 416 * oppertunity to re-scan it before we do. 417 */ 418 if (chan->chan_adapter->adapt_ioctl != NULL) 419 (*chan->chan_adapter->adapt_ioctl)(chan, SCBUSIOLLSCAN, NULL, 420 0, curproc); 421 422 if ((error = scsipi_adapter_addref(chan->chan_adapter)) != 0) 423 goto ret; 424 for (target = mintarget; target <= maxtarget; target++) { 425 if (target == chan->chan_id) 426 continue; 427 for (lun = minlun; lun <= maxlun; lun++) { 428 /* 429 * See if there's a device present, and configure it. 430 */ 431 if (scsi_probe_device(sc, target, lun) == 0) 432 break; 433 /* otherwise something says we should look further */ 434 } 435 436 /* 437 * Now that we've discovered all of the LUNs on this 438 * I_T Nexus, update the xfer mode for all of them 439 * that we know about. 440 */ 441 scsipi_set_xfer_mode(chan, target, 1); 442 } 443 scsipi_adapter_delref(chan->chan_adapter); 444 ret: 445 KERNEL_UNLOCK_ONE(curlwp); 446 return (error); 447 } 448 449 static int 450 scsibusrescan(device_t sc, const char *ifattr, 451 const int *locators) 452 { 453 454 KASSERT(ifattr && !strcmp(ifattr, "scsibus")); 455 KASSERT(locators); 456 457 return (scsi_probe_bus(device_private(sc), 458 locators[SCSIBUSCF_TARGET], locators[SCSIBUSCF_LUN])); 459 } 460 461 static void 462 scsidevdetached(device_t self, device_t child) 463 { 464 struct scsibus_softc *sc = device_private(self); 465 struct scsipi_channel *chan = sc->sc_channel; 466 struct scsipi_periph *periph; 467 int target, lun; 468 469 target = device_locator(child, SCSIBUSCF_TARGET); 470 lun = device_locator(child, SCSIBUSCF_LUN); 471 472 /* XXXSMP scsipi */ 473 KERNEL_LOCK(1, curlwp); 474 475 periph = scsipi_lookup_periph(chan, target, lun); 476 KASSERT(periph->periph_dev == child); 477 478 scsipi_remove_periph(chan, periph); 479 free(periph, M_DEVBUF); 480 481 /* XXXSMP scsipi */ 482 KERNEL_UNLOCK_ONE(curlwp); 483 } 484 485 /* 486 * Print out autoconfiguration information for a subdevice. 487 * 488 * This is a slight abuse of 'standard' autoconfiguration semantics, 489 * because 'print' functions don't normally print the colon and 490 * device information. However, in this case that's better than 491 * either printing redundant information before the attach message, 492 * or having the device driver call a special function to print out 493 * the standard device information. 494 */ 495 static int 496 scsibusprint(void *aux, const char *pnp) 497 { 498 struct scsipibus_attach_args *sa = aux; 499 struct scsipi_inquiry_pattern *inqbuf; 500 u_int8_t type; 501 const char *dtype; 502 char vendor[33], product[65], revision[17]; 503 int target, lun; 504 505 if (pnp != NULL) 506 aprint_normal("%s", pnp); 507 508 inqbuf = &sa->sa_inqbuf; 509 510 target = sa->sa_periph->periph_target; 511 lun = sa->sa_periph->periph_lun; 512 type = inqbuf->type & SID_TYPE; 513 514 dtype = scsipi_dtype(type); 515 516 strnvisx(vendor, sizeof(vendor), inqbuf->vendor, 8, 517 VIS_TRIM|VIS_SAFE|VIS_OCTAL); 518 strnvisx(product, sizeof(product), inqbuf->product, 16, 519 VIS_TRIM|VIS_SAFE|VIS_OCTAL); 520 strnvisx(revision, sizeof(revision), inqbuf->revision, 4, 521 VIS_TRIM|VIS_SAFE|VIS_OCTAL); 522 523 aprint_normal(" target %d lun %d: <%s, %s, %s> %s %s", 524 target, lun, vendor, product, revision, dtype, 525 inqbuf->removable ? "removable" : "fixed"); 526 527 return (UNCONF); 528 } 529 530 static const struct scsi_quirk_inquiry_pattern scsi_quirk_patterns[] = { 531 {{T_DIRECT, T_REMOV, 532 "Apple ", "iPod ", ""}, PQUIRK_START}, 533 {{T_CDROM, T_REMOV, 534 "CHINON ", "CD-ROM CDS-431 ", ""}, PQUIRK_NOLUNS}, 535 {{T_CDROM, T_REMOV, 536 "CHINON ", "CD-ROM CDS-435 ", ""}, PQUIRK_NOLUNS}, 537 {{T_CDROM, T_REMOV, 538 "Chinon ", "CD-ROM CDS-525 ", ""}, PQUIRK_NOLUNS}, 539 {{T_CDROM, T_REMOV, 540 "CHINON ", "CD-ROM CDS-535 ", ""}, PQUIRK_NOLUNS}, 541 {{T_CDROM, T_REMOV, 542 "DEC ", "RRD42 (C) DEC ", ""}, PQUIRK_NOLUNS}, 543 {{T_CDROM, T_REMOV, 544 "DENON ", "DRD-25X ", "V"}, PQUIRK_NOLUNS}, 545 {{T_CDROM, T_REMOV, 546 "GENERIC ", "CRD-BP2 ", ""}, PQUIRK_NOLUNS}, 547 {{T_CDROM, T_REMOV, 548 "HP ", "C4324/C4325 ", ""}, PQUIRK_NOLUNS}, 549 {{T_CDROM, T_REMOV, 550 "IMS ", "CDD521/10 ", "2.06"}, PQUIRK_NOLUNS}, 551 {{T_CDROM, T_REMOV, 552 "MATSHITA", "CD-ROM CR-5XX ", "1.0b"}, PQUIRK_NOLUNS}, 553 {{T_CDROM, T_REMOV, 554 "MEDAVIS ", "RENO CD-ROMX2A ", ""}, PQUIRK_NOLUNS}, 555 {{T_CDROM, T_REMOV, 556 "MEDIAVIS", "CDR-H93MV ", "1.3"}, PQUIRK_NOLUNS}, 557 {{T_CDROM, T_REMOV, 558 "NEC ", "CD-ROM DRIVE:502", ""}, PQUIRK_NOLUNS}, 559 {{T_CDROM, T_REMOV, 560 "NEC ", "CD-ROM DRIVE:55 ", ""}, PQUIRK_NOLUNS}, 561 {{T_CDROM, T_REMOV, 562 "NEC ", "CD-ROM DRIVE:83 ", ""}, PQUIRK_NOLUNS}, 563 {{T_CDROM, T_REMOV, 564 "NEC ", "CD-ROM DRIVE:84 ", ""}, PQUIRK_NOLUNS}, 565 {{T_CDROM, T_REMOV, 566 "NEC ", "CD-ROM DRIVE:841", ""}, PQUIRK_NOLUNS}, 567 {{T_CDROM, T_REMOV, 568 "OLYMPUS ", "CDS620E ", "1.1d"}, 569 PQUIRK_NOLUNS|PQUIRK_NOSYNC|PQUIRK_NOCAPACITY}, 570 {{T_CDROM, T_REMOV, 571 "PIONEER ", "CD-ROM DR-124X ", "1.01"}, PQUIRK_NOLUNS}, 572 {{T_CDROM, T_REMOV, 573 "PLEXTOR ", "CD-ROM PX-4XCS ", "1.01"}, 574 PQUIRK_NOLUNS|PQUIRK_NOSYNC}, 575 {{T_CDROM, T_REMOV, 576 "SONY ", "CD-ROM CDU-541 ", ""}, PQUIRK_NOLUNS}, 577 {{T_CDROM, T_REMOV, 578 "SONY ", "CD-ROM CDU-55S ", ""}, PQUIRK_NOLUNS}, 579 {{T_CDROM, T_REMOV, 580 "SONY ", "CD-ROM CDU-561 ", ""}, PQUIRK_NOLUNS}, 581 {{T_CDROM, T_REMOV, 582 "SONY ", "CD-ROM CDU-76S", ""}, 583 PQUIRK_NOLUNS|PQUIRK_NOSYNC|PQUIRK_NOWIDE}, 584 {{T_CDROM, T_REMOV, 585 "SONY ", "CD-ROM CDU-8003A", ""}, PQUIRK_NOLUNS}, 586 {{T_CDROM, T_REMOV, 587 "SONY ", "CD-ROM CDU-8012 ", ""}, PQUIRK_NOLUNS}, 588 {{T_CDROM, T_REMOV, 589 "TEAC ", "CD-ROM ", "1.06"}, PQUIRK_NOLUNS}, 590 {{T_CDROM, T_REMOV, 591 "TEAC ", "CD-ROM CD-56S ", "1.0B"}, PQUIRK_NOLUNS}, 592 {{T_CDROM, T_REMOV, 593 "TEXEL ", "CD-ROM ", "1.06"}, PQUIRK_NOLUNS}, 594 {{T_CDROM, T_REMOV, 595 "TEXEL ", "CD-ROM DM-XX24 K", "1.09"}, PQUIRK_NOLUNS}, 596 {{T_CDROM, T_REMOV, 597 "TEXEL ", "CD-ROM DM-XX24 K", "1.10"}, PQUIRK_NOLUNS}, 598 {{T_CDROM, T_REMOV, 599 "TOSHIBA ", "XM-4101TASUNSLCD", ""}, PQUIRK_NOLUNS|PQUIRK_NOSYNC}, 600 /* "IBM CDRM00201 !F" 0724 is an IBM OEM Toshiba XM-4101BME */ 601 {{T_CDROM, T_REMOV, 602 "IBM ", "CDRM00201 !F", "0724"}, PQUIRK_NOLUNS|PQUIRK_NOSYNC}, 603 {{T_CDROM, T_REMOV, 604 "ShinaKen", "CD-ROM DM-3x1S", "1.04"}, PQUIRK_NOLUNS}, 605 {{T_CDROM, T_REMOV, 606 "JVC ", "R2626", ""}, PQUIRK_NOLUNS}, 607 {{T_CDROM, T_REMOV, 608 "YAMAHA", "CRW8424S", ""}, PQUIRK_NOLUNS}, 609 {{T_CDROM, T_REMOV, 610 "NEC ", "CD-ROM DRIVE:222", ""}, PQUIRK_NOLUNS|PQUIRK_NOSYNC}, 611 612 {{T_DIRECT, T_FIXED, 613 "MICROP ", "1588-15MBSUN0669", ""}, PQUIRK_AUTOSAVE}, 614 {{T_DIRECT, T_FIXED, 615 "MICROP ", "2217-15MQ1091501", ""}, PQUIRK_NOSYNCCACHE}, 616 {{T_OPTICAL, T_REMOV, 617 "EPSON ", "OMD-5010 ", "3.08"}, PQUIRK_NOLUNS}, 618 {{T_DIRECT, T_FIXED, 619 "ADAPTEC ", "AEC-4412BD", "1.2A"}, PQUIRK_NOMODESENSE}, 620 {{T_DIRECT, T_FIXED, 621 "ADAPTEC ", "ACB-4000", ""}, PQUIRK_FORCELUNS|PQUIRK_AUTOSAVE|PQUIRK_NOMODESENSE}, 622 {{T_DIRECT, T_FIXED, 623 "DEC ", "RZ55 (C) DEC", ""}, PQUIRK_AUTOSAVE}, 624 {{T_DIRECT, T_FIXED, 625 "EMULEX ", "MD21/S2 ESDI", "A00"}, 626 PQUIRK_FORCELUNS|PQUIRK_AUTOSAVE}, 627 {{T_DIRECT, T_FIXED, 628 "MICROP", "1548-15MZ1077801", "HZ2P"}, PQUIRK_NOTAG}, 629 {{T_DIRECT, T_FIXED, 630 "HP ", "C372", ""}, PQUIRK_NOTAG}, 631 {{T_DIRECT, T_FIXED, 632 "IBMRAID ", "0662S", ""}, PQUIRK_AUTOSAVE}, 633 {{T_DIRECT, T_FIXED, 634 "IBM ", "0663H", ""}, PQUIRK_AUTOSAVE}, 635 {{T_DIRECT, T_FIXED, 636 "IBM", "0664", ""}, PQUIRK_AUTOSAVE}, 637 {{T_DIRECT, T_FIXED, 638 /* improperly report DT-only sync mode */ 639 "IBM ", "DXHS36D", ""}, 640 PQUIRK_CAP_SYNC|PQUIRK_CAP_WIDE16}, 641 {{T_DIRECT, T_FIXED, 642 "IBM ", "DXHS18Y", ""}, 643 PQUIRK_CAP_SYNC|PQUIRK_CAP_WIDE16}, 644 {{T_DIRECT, T_FIXED, 645 "IBM ", "H3171-S2", ""}, 646 PQUIRK_NOLUNS|PQUIRK_AUTOSAVE}, 647 {{T_DIRECT, T_FIXED, 648 "IBM ", "KZ-C", ""}, PQUIRK_AUTOSAVE}, 649 /* Broken IBM disk */ 650 {{T_DIRECT, T_FIXED, 651 "" , "DFRSS2F", ""}, PQUIRK_AUTOSAVE}, 652 {{T_DIRECT, T_FIXED, 653 "Initio ", "", ""}, PQUIRK_NOBIGMODESENSE}, 654 {{T_DIRECT, T_REMOV, 655 "MPL ", "MC-DISK- ", ""}, PQUIRK_NOLUNS}, 656 {{T_DIRECT, T_FIXED, 657 "MAXTOR ", "XT-3280 ", ""}, PQUIRK_NOLUNS}, 658 {{T_DIRECT, T_FIXED, 659 "MAXTOR ", "XT-4380S ", ""}, PQUIRK_NOLUNS}, 660 {{T_DIRECT, T_FIXED, 661 "MAXTOR ", "MXT-1240S ", ""}, PQUIRK_NOLUNS}, 662 {{T_DIRECT, T_FIXED, 663 "MAXTOR ", "XT-4170S ", ""}, PQUIRK_NOLUNS}, 664 {{T_DIRECT, T_FIXED, 665 "MAXTOR ", "XT-8760S", ""}, PQUIRK_NOLUNS}, 666 {{T_DIRECT, T_FIXED, 667 "MAXTOR ", "LXT-213S ", ""}, PQUIRK_NOLUNS}, 668 {{T_DIRECT, T_FIXED, 669 "MAXTOR ", "LXT-213S SUN0207", ""}, PQUIRK_NOLUNS}, 670 {{T_DIRECT, T_FIXED, 671 "MAXTOR ", "LXT-200S ", ""}, PQUIRK_NOLUNS}, 672 {{T_DIRECT, T_FIXED, 673 "MEGADRV ", "EV1000", ""}, PQUIRK_NOMODESENSE}, 674 {{T_DIRECT, T_FIXED, 675 "MICROP", "1991-27MZ", ""}, PQUIRK_NOTAG}, 676 {{T_DIRECT, T_FIXED, 677 "MST ", "SnapLink ", ""}, PQUIRK_NOLUNS}, 678 {{T_DIRECT, T_FIXED, 679 "NEC ", "D3847 ", "0307"}, PQUIRK_NOLUNS}, 680 {{T_DIRECT, T_FIXED, 681 "QUANTUM ", "ELS85S ", ""}, PQUIRK_AUTOSAVE}, 682 {{T_DIRECT, T_FIXED, 683 "QUANTUM ", "LPS525S ", ""}, PQUIRK_NOLUNS}, 684 {{T_DIRECT, T_FIXED, 685 "QUANTUM ", "P105S 910-10-94x", ""}, PQUIRK_NOLUNS}, 686 {{T_DIRECT, T_FIXED, 687 "QUANTUM ", "PD1225S ", ""}, PQUIRK_NOLUNS}, 688 {{T_DIRECT, T_FIXED, 689 "QUANTUM ", "PD210S SUN0207", ""}, PQUIRK_NOLUNS}, 690 {{T_DIRECT, T_FIXED, 691 "QUANTUM ", "ATLAS IV 9 WLS", "0A0A"}, PQUIRK_CAP_NODT}, 692 {{T_DIRECT, T_FIXED, 693 "RODIME ", "RO3000S ", ""}, PQUIRK_NOLUNS}, 694 {{T_DIRECT, T_FIXED, 695 "SEAGATE ", "ST125N ", ""}, PQUIRK_NOLUNS}, 696 {{T_DIRECT, T_FIXED, 697 "SEAGATE ", "ST157N ", ""}, PQUIRK_NOLUNS}, 698 {{T_DIRECT, T_FIXED, 699 "SEAGATE ", "ST296 ", ""}, PQUIRK_NOLUNS}, 700 {{T_DIRECT, T_FIXED, 701 "SEAGATE ", "ST296N ", ""}, PQUIRK_NOLUNS}, 702 {{T_DIRECT, T_FIXED, 703 "SEAGATE ", "ST318404LC ", ""}, PQUIRK_NOLUNS}, 704 {{T_DIRECT, T_FIXED, 705 "SEAGATE ", "ST15150N ", ""}, PQUIRK_NOTAG}, 706 {{T_DIRECT, T_FIXED, 707 "SEAGATE ", "ST19171", ""}, PQUIRK_NOMODESENSE}, 708 {{T_DIRECT, T_FIXED, 709 "SEAGATE ", "ST32430N", ""}, PQUIRK_CAP_SYNC}, 710 {{T_DIRECT, T_FIXED, 711 "SEAGATE ", "ST34501FC ", ""}, PQUIRK_NOMODESENSE}, 712 {{T_DIRECT, T_FIXED, 713 "SEAGATE ", "SX910800N", ""}, PQUIRK_NOTAG}, 714 {{T_DIRECT, T_FIXED, 715 "TOSHIBA ", "MK538FB ", "6027"}, PQUIRK_NOLUNS}, 716 {{T_DIRECT, T_FIXED, 717 "MICROP ", "1924", ""}, PQUIRK_CAP_SYNC}, 718 {{T_DIRECT, T_FIXED, 719 "FUJITSU ", "M2266", ""}, PQUIRK_CAP_SYNC}, 720 {{T_DIRECT, T_FIXED, 721 "FUJITSU ", "M2624S-512 ", ""}, PQUIRK_CAP_SYNC}, 722 {{T_DIRECT, T_FIXED, 723 "SEAGATE ", "SX336704LC" , ""}, PQUIRK_CAP_SYNC | PQUIRK_CAP_WIDE16}, 724 {{T_DIRECT, T_FIXED, 725 "SEAGATE ", "SX173404LC", ""}, PQUIRK_CAP_SYNC | PQUIRK_CAP_WIDE16}, 726 727 {{T_DIRECT, T_REMOV, 728 "IOMEGA", "ZIP 100", "J.03"}, PQUIRK_NOLUNS|PQUIRK_NOSYNC}, 729 {{T_DIRECT, T_REMOV, 730 "INSITE", "I325VM", ""}, PQUIRK_NOLUNS}, 731 732 /* XXX: QIC-36 tape behind Emulex adapter. Very broken. */ 733 {{T_SEQUENTIAL, T_REMOV, 734 " ", " ", " "}, PQUIRK_NOLUNS}, 735 {{T_SEQUENTIAL, T_REMOV, 736 "EMULEX ", "MT-02 QIC ", ""}, PQUIRK_NOLUNS}, 737 {{T_SEQUENTIAL, T_REMOV, 738 "CALIPER ", "CP150 ", ""}, PQUIRK_NOLUNS}, 739 {{T_SEQUENTIAL, T_REMOV, 740 "EXABYTE ", "EXB-8200 ", ""}, PQUIRK_NOLUNS}, 741 {{T_SEQUENTIAL, T_REMOV, 742 "SONY ", "GY-10C ", ""}, PQUIRK_NOLUNS}, 743 {{T_SEQUENTIAL, T_REMOV, 744 "SONY ", "SDT-2000 ", "2.09"}, PQUIRK_NOLUNS}, 745 {{T_SEQUENTIAL, T_REMOV, 746 "SONY ", "SDT-5000 ", "3."}, PQUIRK_NOSYNC|PQUIRK_NOWIDE}, 747 {{T_SEQUENTIAL, T_REMOV, 748 "SONY ", "SDT-5200 ", "3."}, PQUIRK_NOLUNS}, 749 {{T_SEQUENTIAL, T_REMOV, 750 "TANDBERG", " TDC 3600 ", ""}, PQUIRK_NOLUNS}, 751 /* Following entry reported as a Tandberg 3600; ref. PR1933 */ 752 {{T_SEQUENTIAL, T_REMOV, 753 "ARCHIVE ", "VIPER 150 21247", ""}, PQUIRK_NOLUNS}, 754 /* Following entry for a Cipher ST150S; ref. PR4171 */ 755 {{T_SEQUENTIAL, T_REMOV, 756 "ARCHIVE ", "VIPER 1500 21247", "2.2G"}, PQUIRK_NOLUNS}, 757 {{T_SEQUENTIAL, T_REMOV, 758 "ARCHIVE ", "Python 28454-XXX", ""}, PQUIRK_NOLUNS}, 759 {{T_SEQUENTIAL, T_REMOV, 760 "WANGTEK ", "5099ES SCSI", ""}, PQUIRK_NOLUNS}, 761 {{T_SEQUENTIAL, T_REMOV, 762 "WANGTEK ", "5150ES SCSI", ""}, PQUIRK_NOLUNS}, 763 {{T_SEQUENTIAL, T_REMOV, 764 "WANGTEK ", "SCSI-36", ""}, PQUIRK_NOLUNS}, 765 {{T_SEQUENTIAL, T_REMOV, 766 "WangDAT ", "Model 1300 ", "02.4"}, PQUIRK_NOSYNC|PQUIRK_NOWIDE}, 767 {{T_SEQUENTIAL, T_REMOV, 768 "WangDAT ", "Model 2600 ", "01.7"}, PQUIRK_NOSYNC|PQUIRK_NOWIDE}, 769 {{T_SEQUENTIAL, T_REMOV, 770 "WangDAT ", "Model 3200 ", "02.2"}, PQUIRK_NOSYNC|PQUIRK_NOWIDE}, 771 {{T_SEQUENTIAL, T_REMOV, 772 "TEAC ", "MT-2ST/N50 ", ""}, PQUIRK_NOLUNS}, 773 774 {{T_SCANNER, T_FIXED, 775 "RICOH ", "IS60 ", "1R08"}, PQUIRK_NOLUNS}, 776 {{T_SCANNER, T_FIXED, 777 "UMAX ", "Astra 1200S ", "V2.9"}, PQUIRK_NOLUNS}, 778 {{T_SCANNER, T_FIXED, 779 "UMAX ", "Astra 1220S ", ""}, PQUIRK_NOLUNS}, 780 {{T_SCANNER, T_FIXED, 781 "UMAX ", "UMAX S-6E ", "V2.0"}, PQUIRK_NOLUNS}, 782 {{T_SCANNER, T_FIXED, 783 "UMAX ", "UMAX S-12 ", "V2.1"}, PQUIRK_NOLUNS}, 784 {{T_SCANNER, T_FIXED, 785 "ULTIMA ", "A6000C ", ""}, PQUIRK_NOLUNS}, 786 {{T_PROCESSOR, T_FIXED, 787 "ESG-SHV", "SCA HSBP M15", ""}, PQUIRK_NOLUNS}, 788 {{T_PROCESSOR, T_FIXED, 789 "SYMBIOS", "", ""}, PQUIRK_NOLUNS}, 790 {{T_PROCESSOR, T_FIXED, 791 "LITRONIC", "PCMCIA ", ""}, PQUIRK_NOLUNS}, 792 {{T_CHANGER, T_REMOV, 793 "SONY ", "CDL1100 ", ""}, PQUIRK_NOLUNS}, 794 {{T_ENCLOSURE, T_FIXED, 795 "SUN ", "SENA ", ""}, PQUIRK_NOLUNS}, 796 }; 797 798 /* 799 * given a target and lun, ask the device what 800 * it is, and find the correct driver table 801 * entry. 802 */ 803 static int 804 scsi_probe_device(struct scsibus_softc *sc, int target, int lun) 805 { 806 struct scsipi_channel *chan = sc->sc_channel; 807 struct scsipi_periph *periph; 808 struct scsipi_inquiry_data inqbuf; 809 const struct scsi_quirk_inquiry_pattern *finger; 810 int checkdtype, priority, docontinue, quirks; 811 struct scsipibus_attach_args sa; 812 cfdata_t cf; 813 int locs[SCSIBUSCF_NLOCS]; 814 815 /* 816 * Assume no more luns to search after this one. 817 * If we successfully get Inquiry data and after 818 * merging quirks we find we can probe for more 819 * luns, we will. 820 */ 821 docontinue = 0; 822 823 /* Skip this slot if it is already attached. */ 824 if (scsipi_lookup_periph(chan, target, lun) != NULL) 825 return (docontinue); 826 827 periph = scsipi_alloc_periph(M_NOWAIT); 828 if (periph == NULL) { 829 #ifdef DIAGNOSTIC 830 aprint_error_dev(sc->sc_dev, 831 "cannot allocate periph for target %d lun %d\n", 832 target, lun); 833 #endif 834 return (ENOMEM); 835 } 836 periph->periph_channel = chan; 837 periph->periph_switch = &scsi_probe_dev; 838 839 periph->periph_target = target; 840 periph->periph_lun = lun; 841 periph->periph_quirks = chan->chan_defquirks; 842 843 #ifdef SCSIPI_DEBUG 844 if (SCSIPI_DEBUG_TYPE == SCSIPI_BUSTYPE_SCSI && 845 SCSIPI_DEBUG_TARGET == target && 846 SCSIPI_DEBUG_LUN == lun) 847 periph->periph_dbflags |= SCSIPI_DEBUG_FLAGS; 848 #endif 849 850 /* 851 * Ask the device what it is 852 */ 853 854 #ifdef SCSI_2_DEF 855 /* some devices need to be told to go to SCSI2 */ 856 /* However some just explode if you tell them this.. leave it out */ 857 scsi_change_def(periph, XS_CTL_DISCOVERY | XS_CTL_SILENT); 858 #endif /* SCSI_2_DEF */ 859 860 /* Now go ask the device all about itself. */ 861 memset(&inqbuf, 0, sizeof(inqbuf)); 862 { 863 u_int8_t *extension = &inqbuf.flags1; 864 int len = 0; 865 while (len < 3) 866 extension[len++] = '\0'; 867 while (len < 3 + 28) 868 extension[len++] = ' '; 869 while (len < 3 + 28 + 20) 870 extension[len++] = '\0'; 871 while (len < 3 + 28 + 20 + 1) 872 extension[len++] = '\0'; 873 while (len < 3 + 28 + 20 + 1 + 1) 874 extension[len++] = '\0'; 875 while (len < 3 + 28 + 20 + 1 + 1 + (8*2)) 876 extension[len++] = ' '; 877 } 878 if (scsipi_inquire(periph, &inqbuf, XS_CTL_DISCOVERY | XS_CTL_SILENT)) 879 goto bad; 880 881 periph->periph_type = inqbuf.device & SID_TYPE; 882 if (inqbuf.dev_qual2 & SID_REMOVABLE) 883 periph->periph_flags |= PERIPH_REMOVABLE; 884 periph->periph_version = inqbuf.version & SID_ANSII; 885 886 /* 887 * Any device qualifier that has the top bit set (qualifier&4 != 0) 888 * is vendor specific and won't match in this switch. 889 * All we do here is throw out bad/negative responses. 890 */ 891 checkdtype = 0; 892 switch (inqbuf.device & SID_QUAL) { 893 case SID_QUAL_LU_PRESENT: 894 checkdtype = 1; 895 break; 896 897 case SID_QUAL_LU_NOTPRESENT: 898 case SID_QUAL_reserved: 899 case SID_QUAL_LU_NOT_SUPP: 900 goto bad; 901 902 default: 903 break; 904 } 905 906 /* Let the adapter driver handle the device separatley if it wants. */ 907 if (chan->chan_adapter->adapt_accesschk != NULL && 908 (*chan->chan_adapter->adapt_accesschk)(periph, &sa.sa_inqbuf)) 909 goto bad; 910 911 if (checkdtype) { 912 switch (periph->periph_type) { 913 case T_DIRECT: 914 case T_SEQUENTIAL: 915 case T_PRINTER: 916 case T_PROCESSOR: 917 case T_WORM: 918 case T_CDROM: 919 case T_SCANNER: 920 case T_OPTICAL: 921 case T_CHANGER: 922 case T_COMM: 923 case T_IT8_1: 924 case T_IT8_2: 925 case T_STORARRAY: 926 case T_ENCLOSURE: 927 case T_SIMPLE_DIRECT: 928 case T_OPTIC_CARD_RW: 929 case T_OBJECT_STORED: 930 default: 931 break; 932 case T_NODEVICE: 933 goto bad; 934 } 935 } 936 937 sa.sa_periph = periph; 938 sa.sa_inqbuf.type = inqbuf.device; 939 sa.sa_inqbuf.removable = inqbuf.dev_qual2 & SID_REMOVABLE ? 940 T_REMOV : T_FIXED; 941 sa.sa_inqbuf.vendor = inqbuf.vendor; 942 sa.sa_inqbuf.product = inqbuf.product; 943 sa.sa_inqbuf.revision = inqbuf.revision; 944 sa.scsipi_info.scsi_version = inqbuf.version; 945 sa.sa_inqptr = &inqbuf; 946 947 finger = scsipi_inqmatch( 948 &sa.sa_inqbuf, scsi_quirk_patterns, 949 sizeof(scsi_quirk_patterns)/sizeof(scsi_quirk_patterns[0]), 950 sizeof(scsi_quirk_patterns[0]), &priority); 951 952 if (finger != NULL) 953 quirks = finger->quirks; 954 else 955 quirks = 0; 956 957 /* 958 * Determine the operating mode capabilities of the device. 959 */ 960 if (periph->periph_version >= 2) { 961 if ((inqbuf.flags3 & SID_CmdQue) != 0 && 962 (quirks & PQUIRK_NOTAG) == 0) 963 periph->periph_cap |= PERIPH_CAP_TQING; 964 if ((inqbuf.flags3 & SID_Linked) != 0) 965 periph->periph_cap |= PERIPH_CAP_LINKCMDS; 966 if ((inqbuf.flags3 & SID_Sync) != 0 && 967 (quirks & PQUIRK_NOSYNC) == 0) 968 periph->periph_cap |= PERIPH_CAP_SYNC; 969 if ((inqbuf.flags3 & SID_WBus16) != 0 && 970 (quirks & PQUIRK_NOWIDE) == 0) 971 periph->periph_cap |= PERIPH_CAP_WIDE16; 972 if ((inqbuf.flags3 & SID_WBus32) != 0 && 973 (quirks & PQUIRK_NOWIDE) == 0) 974 periph->periph_cap |= PERIPH_CAP_WIDE32; 975 if ((inqbuf.flags3 & SID_SftRe) != 0) 976 periph->periph_cap |= PERIPH_CAP_SFTRESET; 977 if ((inqbuf.flags3 & SID_RelAdr) != 0) 978 periph->periph_cap |= PERIPH_CAP_RELADR; 979 /* SPC-2 */ 980 if (periph->periph_version >= 3 && 981 !(quirks & PQUIRK_CAP_NODT)){ 982 /* 983 * Report ST clocking though CAP_WIDExx/CAP_SYNC. 984 * If the device only supports DT, clear these 985 * flags (DT implies SYNC and WIDE) 986 */ 987 switch (inqbuf.flags4 & SID_Clocking) { 988 case SID_CLOCKING_DT_ONLY: 989 periph->periph_cap &= 990 ~(PERIPH_CAP_SYNC | 991 PERIPH_CAP_WIDE16 | 992 PERIPH_CAP_WIDE32); 993 /* FALLTHROUGH */ 994 case SID_CLOCKING_SD_DT: 995 periph->periph_cap |= PERIPH_CAP_DT; 996 break; 997 default: /* ST only or invalid */ 998 /* nothing to do */ 999 break; 1000 } 1001 } 1002 if (periph->periph_version >= 3) { 1003 if (inqbuf.flags4 & SID_IUS) 1004 periph->periph_cap |= PERIPH_CAP_IUS; 1005 if (inqbuf.flags4 & SID_QAS) 1006 periph->periph_cap |= PERIPH_CAP_QAS; 1007 } 1008 } 1009 if (quirks & PQUIRK_CAP_SYNC) 1010 periph->periph_cap |= PERIPH_CAP_SYNC; 1011 if (quirks & PQUIRK_CAP_WIDE16) 1012 periph->periph_cap |= PERIPH_CAP_WIDE16; 1013 1014 /* 1015 * Now apply any quirks from the table. 1016 */ 1017 periph->periph_quirks |= quirks; 1018 if (periph->periph_version == 0 && 1019 (periph->periph_quirks & PQUIRK_FORCELUNS) == 0) 1020 periph->periph_quirks |= PQUIRK_NOLUNS; 1021 1022 if ((periph->periph_quirks & PQUIRK_NOLUNS) == 0) 1023 docontinue = 1; 1024 1025 locs[SCSIBUSCF_TARGET] = target; 1026 locs[SCSIBUSCF_LUN] = lun; 1027 1028 if ((cf = config_search_loc(config_stdsubmatch, sc->sc_dev, 1029 "scsibus", locs, &sa)) != NULL) { 1030 scsipi_insert_periph(chan, periph); 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_loc(sc->sc_dev, cf, locs, &sa, 1037 scsibusprint); 1038 } else { 1039 scsibusprint(&sa, device_xname(sc->sc_dev)); 1040 aprint_normal(" not configured\n"); 1041 goto bad; 1042 } 1043 1044 return (docontinue); 1045 1046 bad: 1047 free(periph, M_DEVBUF); 1048 return (docontinue); 1049 } 1050 1051 /****** Entry points for user control of the SCSI bus. ******/ 1052 1053 static int 1054 scsibusopen(dev_t dev, int flag, int fmt, 1055 struct lwp *l) 1056 { 1057 struct scsibus_softc *sc; 1058 int error, unit = minor(dev); 1059 1060 sc = device_lookup_private(&scsibus_cd, unit); 1061 if (sc == NULL) 1062 return (ENXIO); 1063 1064 if (sc->sc_flags & SCSIBUSF_OPEN) 1065 return (EBUSY); 1066 1067 if ((error = scsipi_adapter_addref(sc->sc_channel->chan_adapter)) != 0) 1068 return (error); 1069 1070 sc->sc_flags |= SCSIBUSF_OPEN; 1071 1072 return (0); 1073 } 1074 1075 static int 1076 scsibusclose(dev_t dev, int flag, int fmt, 1077 struct lwp *l) 1078 { 1079 struct scsibus_softc *sc; 1080 1081 sc = device_lookup_private(&scsibus_cd, minor(dev)); 1082 scsipi_adapter_delref(sc->sc_channel->chan_adapter); 1083 1084 sc->sc_flags &= ~SCSIBUSF_OPEN; 1085 1086 return (0); 1087 } 1088 1089 static int 1090 scsibusioctl(dev_t dev, u_long cmd, void *addr, int flag, struct lwp *l) 1091 { 1092 struct scsibus_softc *sc; 1093 struct scsipi_channel *chan; 1094 int error; 1095 1096 sc = device_lookup_private(&scsibus_cd, minor(dev)); 1097 chan = sc->sc_channel; 1098 1099 /* 1100 * Enforce write permission for ioctls that change the 1101 * state of the bus. Host adapter specific ioctls must 1102 * be checked by the adapter driver. 1103 */ 1104 switch (cmd) { 1105 case SCBUSIOSCAN: 1106 case SCBUSIODETACH: 1107 case SCBUSIORESET: 1108 if ((flag & FWRITE) == 0) 1109 return (EBADF); 1110 } 1111 1112 switch (cmd) { 1113 case SCBUSIOSCAN: 1114 { 1115 struct scbusioscan_args *a = 1116 (struct scbusioscan_args *)addr; 1117 1118 error = scsi_probe_bus(sc, a->sa_target, a->sa_lun); 1119 break; 1120 } 1121 1122 case SCBUSIODETACH: 1123 { 1124 struct scbusiodetach_args *a = 1125 (struct scbusiodetach_args *)addr; 1126 1127 error = scsipi_target_detach(chan, a->sa_target, a->sa_lun, 0); 1128 break; 1129 } 1130 1131 1132 case SCBUSIORESET: 1133 /* FALLTHROUGH */ 1134 default: 1135 if (chan->chan_adapter->adapt_ioctl == NULL) 1136 error = ENOTTY; 1137 else 1138 error = (*chan->chan_adapter->adapt_ioctl)(chan, 1139 cmd, addr, flag, l->l_proc); 1140 break; 1141 } 1142 1143 return (error); 1144 } 1145