scsiconf.c revision 1.276
1 /* $NetBSD: scsiconf.c,v 1.276 2016/11/20 15:37:19 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 (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 1.276 2016/11/20 15:37:19 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 | D_MPSAFE 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 mutex_init(chan_mtx(chan), MUTEX_DEFAULT, IPL_BIO); 244 cv_init(&chan->chan_cv_thr, "scshut"); 245 cv_init(&chan->chan_cv_comp, "sccomp"); 246 cv_init(&chan->chan_cv_xs, "xscmd"); 247 chan_running(chan) = true; 248 249 if (scsipi_adapter_addref(chan->chan_adapter)) 250 return; 251 252 RUN_ONCE(&scsi_conf_ctrl, scsibus_init); 253 254 /* Initialize the channel structure first */ 255 chan->chan_init_cb = NULL; 256 chan->chan_init_cb_arg = NULL; 257 258 scsi_initq = malloc(sizeof(struct scsi_initq), M_DEVBUF, M_WAITOK); 259 scsi_initq->sc_channel = chan; 260 TAILQ_INSERT_TAIL(&scsi_initq_head, scsi_initq, scsi_initq); 261 config_pending_incr(sc->sc_dev); 262 if (scsipi_channel_init(chan)) { 263 aprint_error_dev(sc->sc_dev, "failed to init channel\n"); 264 return; 265 } 266 267 /* 268 * Create the discover thread 269 */ 270 if (kthread_create(PRI_NONE, 0, NULL, scsibus_discover_thread, sc, 271 NULL, "%s-d", chan->chan_name)) { 272 aprint_error_dev(sc->sc_dev, "unable to create discovery " 273 "thread for channel %d\n", chan->chan_channel); 274 return; 275 } 276 } 277 278 static void 279 scsibus_discover_thread(void *arg) 280 { 281 struct scsibus_softc *sc = arg; 282 283 scsibus_config(sc); 284 kthread_exit(0); 285 } 286 287 static void 288 scsibus_config(struct scsibus_softc *sc) 289 { 290 struct scsipi_channel *chan = sc->sc_channel; 291 struct scsi_initq *scsi_initq; 292 293 #ifndef SCSI_DELAY 294 #define SCSI_DELAY 2 295 #endif 296 if ((chan->chan_flags & SCSIPI_CHAN_NOSETTLE) == 0 && 297 SCSI_DELAY > 0) { 298 aprint_normal_dev(sc->sc_dev, 299 "waiting %d seconds for devices to settle...\n", 300 SCSI_DELAY); 301 /* ...an identifier we know no one will use... */ 302 kpause("scsidly", false, SCSI_DELAY * hz, NULL); 303 } 304 305 /* Make sure the devices probe in scsibus order to avoid jitter. */ 306 mutex_enter(&scsibus_qlock); 307 for (;;) { 308 scsi_initq = TAILQ_FIRST(&scsi_initq_head); 309 if (scsi_initq->sc_channel == chan) 310 break; 311 cv_wait(&scsibus_qcv, &scsibus_qlock); 312 } 313 mutex_exit(&scsibus_qlock); 314 315 scsi_probe_bus(sc, -1, -1); 316 317 mutex_enter(&scsibus_qlock); 318 TAILQ_REMOVE(&scsi_initq_head, scsi_initq, scsi_initq); 319 cv_broadcast(&scsibus_qcv); 320 mutex_exit(&scsibus_qlock); 321 322 free(scsi_initq, M_DEVBUF); 323 324 scsipi_adapter_delref(chan->chan_adapter); 325 326 config_pending_decr(sc->sc_dev); 327 } 328 329 static int 330 scsibusdetach(device_t self, int flags) 331 { 332 struct scsibus_softc *sc = device_private(self); 333 struct scsipi_channel *chan = sc->sc_channel; 334 struct scsipi_periph *periph; 335 int ctarget, clun; 336 struct scsipi_xfer *xs; 337 int error; 338 339 /* 340 * Detach all of the periphs. 341 */ 342 if ((error = scsipi_target_detach(chan, -1, -1, flags)) != 0) 343 return error; 344 345 pmf_device_deregister(self); 346 347 /* 348 * Process outstanding commands (which will never complete as the 349 * controller is gone). 350 * 351 * XXX Surely this is redundant? If we get this far, the 352 * XXX peripherals have all been detached. 353 */ 354 for (ctarget = 0; ctarget < chan->chan_ntargets; ctarget++) { 355 if (ctarget == chan->chan_id) 356 continue; 357 for (clun = 0; clun < chan->chan_nluns; clun++) { 358 periph = scsipi_lookup_periph(chan, ctarget, clun); 359 if (periph == NULL) 360 continue; 361 TAILQ_FOREACH(xs, &periph->periph_xferq, device_q) { 362 callout_stop(&xs->xs_callout); 363 xs->error = XS_DRIVER_STUFFUP; 364 scsipi_done(xs); 365 } 366 } 367 } 368 369 /* 370 * Now shut down the channel. 371 */ 372 scsipi_channel_shutdown(chan); 373 374 chan_running(chan) = false; 375 cv_destroy(&chan->chan_cv_xs); 376 cv_destroy(&chan->chan_cv_comp); 377 cv_destroy(&chan->chan_cv_thr); 378 mutex_destroy(chan_mtx(chan)); 379 380 return 0; 381 } 382 383 /* 384 * Probe the requested scsi bus. It must be already set up. 385 * target and lun optionally narrow the search if not -1 386 */ 387 int 388 scsi_probe_bus(struct scsibus_softc *sc, int target, int lun) 389 { 390 struct scsipi_channel *chan = sc->sc_channel; 391 int maxtarget, mintarget, maxlun, minlun; 392 int error; 393 394 if (target == -1) { 395 maxtarget = chan->chan_ntargets - 1; 396 mintarget = 0; 397 } else { 398 if (target < 0 || target >= chan->chan_ntargets) 399 return (EINVAL); 400 maxtarget = mintarget = target; 401 } 402 403 if (lun == -1) { 404 maxlun = chan->chan_nluns - 1; 405 minlun = 0; 406 } else { 407 if (lun < 0 || lun >= chan->chan_nluns) 408 return (EINVAL); 409 maxlun = minlun = lun; 410 } 411 412 /* 413 * Some HBAs provide an abstracted view of the bus; give them an 414 * oppertunity to re-scan it before we do. 415 */ 416 scsipi_adapter_ioctl(chan, SCBUSIOLLSCAN, NULL, 0, curproc); 417 418 if ((error = scsipi_adapter_addref(chan->chan_adapter)) != 0) 419 goto ret; 420 for (target = mintarget; target <= maxtarget; target++) { 421 if (target == chan->chan_id) 422 continue; 423 for (lun = minlun; lun <= maxlun; lun++) { 424 /* 425 * See if there's a device present, and configure it. 426 */ 427 if (scsi_probe_device(sc, target, lun) == 0) 428 break; 429 /* otherwise something says we should look further */ 430 } 431 432 /* 433 * Now that we've discovered all of the LUNs on this 434 * I_T Nexus, update the xfer mode for all of them 435 * that we know about. 436 */ 437 scsipi_set_xfer_mode(chan, target, 1); 438 } 439 scsipi_adapter_delref(chan->chan_adapter); 440 ret: 441 return (error); 442 } 443 444 static int 445 scsibusrescan(device_t sc, const char *ifattr, 446 const int *locators) 447 { 448 449 KASSERT(ifattr && !strcmp(ifattr, "scsibus")); 450 KASSERT(locators); 451 452 return (scsi_probe_bus(device_private(sc), 453 locators[SCSIBUSCF_TARGET], locators[SCSIBUSCF_LUN])); 454 } 455 456 static void 457 scsidevdetached(device_t self, device_t child) 458 { 459 struct scsibus_softc *sc = device_private(self); 460 struct scsipi_channel *chan = sc->sc_channel; 461 struct scsipi_periph *periph; 462 int target, lun; 463 464 target = device_locator(child, SCSIBUSCF_TARGET); 465 lun = device_locator(child, SCSIBUSCF_LUN); 466 467 mutex_enter(chan_mtx(chan)); 468 469 periph = scsipi_lookup_periph_locked(chan, target, lun); 470 KASSERT(periph->periph_dev == child); 471 472 scsipi_remove_periph(chan, periph); 473 scsipi_free_periph(periph); 474 475 mutex_exit(chan_mtx(chan)); 476 } 477 478 /* 479 * Print out autoconfiguration information for a subdevice. 480 * 481 * This is a slight abuse of 'standard' autoconfiguration semantics, 482 * because 'print' functions don't normally print the colon and 483 * device information. However, in this case that's better than 484 * either printing redundant information before the attach message, 485 * or having the device driver call a special function to print out 486 * the standard device information. 487 */ 488 static int 489 scsibusprint(void *aux, const char *pnp) 490 { 491 struct scsipibus_attach_args *sa = aux; 492 struct scsipi_inquiry_pattern *inqbuf; 493 u_int8_t type; 494 const char *dtype; 495 char vendor[33], product[65], revision[17]; 496 int target, lun; 497 498 if (pnp != NULL) 499 aprint_normal("%s", pnp); 500 501 inqbuf = &sa->sa_inqbuf; 502 503 target = sa->sa_periph->periph_target; 504 lun = sa->sa_periph->periph_lun; 505 type = inqbuf->type & SID_TYPE; 506 507 dtype = scsipi_dtype(type); 508 509 strnvisx(vendor, sizeof(vendor), inqbuf->vendor, 8, 510 VIS_TRIM|VIS_SAFE|VIS_OCTAL); 511 strnvisx(product, sizeof(product), inqbuf->product, 16, 512 VIS_TRIM|VIS_SAFE|VIS_OCTAL); 513 strnvisx(revision, sizeof(revision), inqbuf->revision, 4, 514 VIS_TRIM|VIS_SAFE|VIS_OCTAL); 515 516 aprint_normal(" target %d lun %d: <%s, %s, %s> %s %s", 517 target, lun, vendor, product, revision, dtype, 518 inqbuf->removable ? "removable" : "fixed"); 519 520 return (UNCONF); 521 } 522 523 static const struct scsi_quirk_inquiry_pattern scsi_quirk_patterns[] = { 524 {{T_DIRECT, T_REMOV, 525 "Apple ", "iPod ", ""}, PQUIRK_START}, 526 {{T_CDROM, T_REMOV, 527 "CHINON ", "CD-ROM CDS-431 ", ""}, PQUIRK_NOLUNS}, 528 {{T_CDROM, T_REMOV, 529 "CHINON ", "CD-ROM CDS-435 ", ""}, PQUIRK_NOLUNS}, 530 {{T_CDROM, T_REMOV, 531 "Chinon ", "CD-ROM CDS-525 ", ""}, PQUIRK_NOLUNS}, 532 {{T_CDROM, T_REMOV, 533 "CHINON ", "CD-ROM CDS-535 ", ""}, PQUIRK_NOLUNS}, 534 {{T_CDROM, T_REMOV, 535 "DEC ", "RRD42 (C) DEC ", ""}, PQUIRK_NOLUNS}, 536 {{T_CDROM, T_REMOV, 537 "DENON ", "DRD-25X ", "V"}, PQUIRK_NOLUNS}, 538 {{T_CDROM, T_REMOV, 539 "GENERIC ", "CRD-BP2 ", ""}, PQUIRK_NOLUNS}, 540 {{T_CDROM, T_REMOV, 541 "HP ", "C4324/C4325 ", ""}, PQUIRK_NOLUNS}, 542 {{T_CDROM, T_REMOV, 543 "IMS ", "CDD521/10 ", "2.06"}, PQUIRK_NOLUNS}, 544 {{T_CDROM, T_REMOV, 545 "MATSHITA", "CD-ROM CR-5XX ", "1.0b"}, PQUIRK_NOLUNS}, 546 {{T_CDROM, T_REMOV, 547 "MEDAVIS ", "RENO CD-ROMX2A ", ""}, PQUIRK_NOLUNS}, 548 {{T_CDROM, T_REMOV, 549 "MEDIAVIS", "CDR-H93MV ", "1.3"}, PQUIRK_NOLUNS}, 550 {{T_CDROM, T_REMOV, 551 "NEC ", "CD-ROM DRIVE:502", ""}, PQUIRK_NOLUNS}, 552 {{T_CDROM, T_REMOV, 553 "NEC ", "CD-ROM DRIVE:55 ", ""}, PQUIRK_NOLUNS}, 554 {{T_CDROM, T_REMOV, 555 "NEC ", "CD-ROM DRIVE:83 ", ""}, PQUIRK_NOLUNS}, 556 {{T_CDROM, T_REMOV, 557 "NEC ", "CD-ROM DRIVE:84 ", ""}, PQUIRK_NOLUNS}, 558 {{T_CDROM, T_REMOV, 559 "NEC ", "CD-ROM DRIVE:841", ""}, PQUIRK_NOLUNS}, 560 {{T_CDROM, T_REMOV, 561 "OLYMPUS ", "CDS620E ", "1.1d"}, 562 PQUIRK_NOLUNS|PQUIRK_NOSYNC|PQUIRK_NOCAPACITY}, 563 {{T_CDROM, T_REMOV, 564 "PIONEER ", "CD-ROM DR-124X ", "1.01"}, PQUIRK_NOLUNS}, 565 {{T_CDROM, T_REMOV, 566 "PLEXTOR ", "CD-ROM PX-4XCS ", "1.01"}, 567 PQUIRK_NOLUNS|PQUIRK_NOSYNC}, 568 {{T_CDROM, T_REMOV, 569 "SONY ", "CD-ROM CDU-541 ", ""}, PQUIRK_NOLUNS}, 570 {{T_CDROM, T_REMOV, 571 "SONY ", "CD-ROM CDU-55S ", ""}, PQUIRK_NOLUNS}, 572 {{T_CDROM, T_REMOV, 573 "SONY ", "CD-ROM CDU-561 ", ""}, PQUIRK_NOLUNS}, 574 {{T_CDROM, T_REMOV, 575 "SONY ", "CD-ROM CDU-76S", ""}, 576 PQUIRK_NOLUNS|PQUIRK_NOSYNC|PQUIRK_NOWIDE}, 577 {{T_CDROM, T_REMOV, 578 "SONY ", "CD-ROM CDU-8003A", ""}, PQUIRK_NOLUNS}, 579 {{T_CDROM, T_REMOV, 580 "SONY ", "CD-ROM CDU-8012 ", ""}, PQUIRK_NOLUNS}, 581 {{T_CDROM, T_REMOV, 582 "TEAC ", "CD-ROM ", "1.06"}, PQUIRK_NOLUNS}, 583 {{T_CDROM, T_REMOV, 584 "TEAC ", "CD-ROM CD-56S ", "1.0B"}, PQUIRK_NOLUNS}, 585 {{T_CDROM, T_REMOV, 586 "TEXEL ", "CD-ROM ", "1.06"}, PQUIRK_NOLUNS}, 587 {{T_CDROM, T_REMOV, 588 "TEXEL ", "CD-ROM DM-XX24 K", "1.09"}, PQUIRK_NOLUNS}, 589 {{T_CDROM, T_REMOV, 590 "TEXEL ", "CD-ROM DM-XX24 K", "1.10"}, PQUIRK_NOLUNS}, 591 {{T_CDROM, T_REMOV, 592 "TOSHIBA ", "XM-4101TASUNSLCD", ""}, PQUIRK_NOLUNS|PQUIRK_NOSYNC}, 593 /* "IBM CDRM00201 !F" 0724 is an IBM OEM Toshiba XM-4101BME */ 594 {{T_CDROM, T_REMOV, 595 "IBM ", "CDRM00201 !F", "0724"}, PQUIRK_NOLUNS|PQUIRK_NOSYNC}, 596 {{T_CDROM, T_REMOV, 597 "ShinaKen", "CD-ROM DM-3x1S", "1.04"}, PQUIRK_NOLUNS}, 598 {{T_CDROM, T_REMOV, 599 "JVC ", "R2626", ""}, PQUIRK_NOLUNS}, 600 {{T_CDROM, T_REMOV, 601 "YAMAHA", "CRW8424S", ""}, PQUIRK_NOLUNS}, 602 {{T_CDROM, T_REMOV, 603 "NEC ", "CD-ROM DRIVE:222", ""}, PQUIRK_NOLUNS|PQUIRK_NOSYNC}, 604 605 {{T_DIRECT, T_FIXED, 606 "MICROP ", "1588-15MBSUN0669", ""}, PQUIRK_AUTOSAVE}, 607 {{T_DIRECT, T_FIXED, 608 "MICROP ", "2217-15MQ1091501", ""}, PQUIRK_NOSYNCCACHE}, 609 {{T_OPTICAL, T_REMOV, 610 "EPSON ", "OMD-5010 ", "3.08"}, PQUIRK_NOLUNS}, 611 {{T_DIRECT, T_FIXED, 612 "ADAPTEC ", "AEC-4412BD", "1.2A"}, PQUIRK_NOMODESENSE}, 613 {{T_DIRECT, T_FIXED, 614 "ADAPTEC ", "ACB-4000", ""}, PQUIRK_FORCELUNS|PQUIRK_AUTOSAVE|PQUIRK_NOMODESENSE}, 615 {{T_DIRECT, T_FIXED, 616 "DEC ", "RZ55 (C) DEC", ""}, PQUIRK_AUTOSAVE}, 617 {{T_DIRECT, T_FIXED, 618 "EMULEX ", "MD21/S2 ESDI", "A00"}, 619 PQUIRK_FORCELUNS|PQUIRK_AUTOSAVE}, 620 {{T_DIRECT, T_FIXED, 621 "MICROP", "1548-15MZ1077801", "HZ2P"}, PQUIRK_NOTAG}, 622 {{T_DIRECT, T_FIXED, 623 "HP ", "C372", ""}, PQUIRK_NOTAG}, 624 {{T_DIRECT, T_FIXED, 625 "IBMRAID ", "0662S", ""}, PQUIRK_AUTOSAVE}, 626 {{T_DIRECT, T_FIXED, 627 "IBM ", "0663H", ""}, PQUIRK_AUTOSAVE}, 628 {{T_DIRECT, T_FIXED, 629 "IBM", "0664", ""}, PQUIRK_AUTOSAVE}, 630 {{T_DIRECT, T_FIXED, 631 /* improperly report DT-only sync mode */ 632 "IBM ", "DXHS36D", ""}, 633 PQUIRK_CAP_SYNC|PQUIRK_CAP_WIDE16}, 634 {{T_DIRECT, T_FIXED, 635 "IBM ", "DXHS18Y", ""}, 636 PQUIRK_CAP_SYNC|PQUIRK_CAP_WIDE16}, 637 {{T_DIRECT, T_FIXED, 638 "IBM ", "H3171-S2", ""}, 639 PQUIRK_NOLUNS|PQUIRK_AUTOSAVE}, 640 {{T_DIRECT, T_FIXED, 641 "IBM ", "KZ-C", ""}, PQUIRK_AUTOSAVE}, 642 /* Broken IBM disk */ 643 {{T_DIRECT, T_FIXED, 644 "" , "DFRSS2F", ""}, PQUIRK_AUTOSAVE}, 645 {{T_DIRECT, T_FIXED, 646 "Initio ", "", ""}, PQUIRK_NOBIGMODESENSE}, 647 {{T_DIRECT, T_REMOV, 648 "MPL ", "MC-DISK- ", ""}, PQUIRK_NOLUNS}, 649 {{T_DIRECT, T_FIXED, 650 "MAXTOR ", "XT-3280 ", ""}, PQUIRK_NOLUNS}, 651 {{T_DIRECT, T_FIXED, 652 "MAXTOR ", "XT-4380S ", ""}, PQUIRK_NOLUNS}, 653 {{T_DIRECT, T_FIXED, 654 "MAXTOR ", "MXT-1240S ", ""}, PQUIRK_NOLUNS}, 655 {{T_DIRECT, T_FIXED, 656 "MAXTOR ", "XT-4170S ", ""}, PQUIRK_NOLUNS}, 657 {{T_DIRECT, T_FIXED, 658 "MAXTOR ", "XT-8760S", ""}, PQUIRK_NOLUNS}, 659 {{T_DIRECT, T_FIXED, 660 "MAXTOR ", "LXT-213S ", ""}, PQUIRK_NOLUNS}, 661 {{T_DIRECT, T_FIXED, 662 "MAXTOR ", "LXT-213S SUN0207", ""}, PQUIRK_NOLUNS}, 663 {{T_DIRECT, T_FIXED, 664 "MAXTOR ", "LXT-200S ", ""}, PQUIRK_NOLUNS}, 665 {{T_DIRECT, T_FIXED, 666 "MEGADRV ", "EV1000", ""}, PQUIRK_NOMODESENSE}, 667 {{T_DIRECT, T_FIXED, 668 "MICROP", "1991-27MZ", ""}, PQUIRK_NOTAG}, 669 {{T_DIRECT, T_FIXED, 670 "MST ", "SnapLink ", ""}, PQUIRK_NOLUNS}, 671 {{T_DIRECT, T_FIXED, 672 "NEC ", "D3847 ", "0307"}, PQUIRK_NOLUNS}, 673 {{T_DIRECT, T_FIXED, 674 "QUANTUM ", "ELS85S ", ""}, PQUIRK_AUTOSAVE}, 675 {{T_DIRECT, T_FIXED, 676 "QUANTUM ", "LPS525S ", ""}, PQUIRK_NOLUNS}, 677 {{T_DIRECT, T_FIXED, 678 "QUANTUM ", "P105S 910-10-94x", ""}, PQUIRK_NOLUNS}, 679 {{T_DIRECT, T_FIXED, 680 "QUANTUM ", "PD1225S ", ""}, PQUIRK_NOLUNS}, 681 {{T_DIRECT, T_FIXED, 682 "QUANTUM ", "PD210S SUN0207", ""}, PQUIRK_NOLUNS}, 683 {{T_DIRECT, T_FIXED, 684 "QUANTUM ", "ATLAS IV 9 WLS", "0A0A"}, PQUIRK_CAP_NODT}, 685 {{T_DIRECT, T_FIXED, 686 "RODIME ", "RO3000S ", ""}, PQUIRK_NOLUNS}, 687 {{T_DIRECT, T_FIXED, 688 "SEAGATE ", "ST125N ", ""}, PQUIRK_NOLUNS}, 689 {{T_DIRECT, T_FIXED, 690 "SEAGATE ", "ST157N ", ""}, PQUIRK_NOLUNS}, 691 {{T_DIRECT, T_FIXED, 692 "SEAGATE ", "ST296 ", ""}, PQUIRK_NOLUNS}, 693 {{T_DIRECT, T_FIXED, 694 "SEAGATE ", "ST296N ", ""}, PQUIRK_NOLUNS}, 695 {{T_DIRECT, T_FIXED, 696 "SEAGATE ", "ST318404LC ", ""}, PQUIRK_NOLUNS}, 697 {{T_DIRECT, T_FIXED, 698 "SEAGATE ", "ST15150N ", ""}, PQUIRK_NOTAG}, 699 {{T_DIRECT, T_FIXED, 700 "SEAGATE ", "ST19171", ""}, PQUIRK_NOMODESENSE}, 701 {{T_DIRECT, T_FIXED, 702 "SEAGATE ", "ST32430N", ""}, PQUIRK_CAP_SYNC}, 703 {{T_DIRECT, T_FIXED, 704 "SEAGATE ", "ST34501FC ", ""}, PQUIRK_NOMODESENSE}, 705 {{T_DIRECT, T_FIXED, 706 "SEAGATE ", "SX910800N", ""}, PQUIRK_NOTAG}, 707 {{T_DIRECT, T_FIXED, 708 "TOSHIBA ", "MK538FB ", "6027"}, PQUIRK_NOLUNS}, 709 {{T_DIRECT, T_FIXED, 710 "MICROP ", "1924", ""}, PQUIRK_CAP_SYNC}, 711 {{T_DIRECT, T_FIXED, 712 "FUJITSU ", "M2266", ""}, PQUIRK_CAP_SYNC}, 713 {{T_DIRECT, T_FIXED, 714 "FUJITSU ", "M2624S-512 ", ""}, PQUIRK_CAP_SYNC}, 715 {{T_DIRECT, T_FIXED, 716 "SEAGATE ", "SX336704LC" , ""}, PQUIRK_CAP_SYNC | PQUIRK_CAP_WIDE16}, 717 {{T_DIRECT, T_FIXED, 718 "SEAGATE ", "SX173404LC", ""}, PQUIRK_CAP_SYNC | PQUIRK_CAP_WIDE16}, 719 720 {{T_DIRECT, T_REMOV, 721 "IOMEGA", "ZIP 100", "J.03"}, PQUIRK_NOLUNS|PQUIRK_NOSYNC}, 722 {{T_DIRECT, T_REMOV, 723 "INSITE", "I325VM", ""}, PQUIRK_NOLUNS}, 724 725 /* XXX: QIC-36 tape behind Emulex adapter. Very broken. */ 726 {{T_SEQUENTIAL, T_REMOV, 727 " ", " ", " "}, PQUIRK_NOLUNS}, 728 {{T_SEQUENTIAL, T_REMOV, 729 "EMULEX ", "MT-02 QIC ", ""}, PQUIRK_NOLUNS}, 730 {{T_SEQUENTIAL, T_REMOV, 731 "CALIPER ", "CP150 ", ""}, PQUIRK_NOLUNS}, 732 {{T_SEQUENTIAL, T_REMOV, 733 "EXABYTE ", "EXB-8200 ", ""}, PQUIRK_NOLUNS}, 734 {{T_SEQUENTIAL, T_REMOV, 735 "SONY ", "GY-10C ", ""}, PQUIRK_NOLUNS}, 736 {{T_SEQUENTIAL, T_REMOV, 737 "SONY ", "SDT-2000 ", "2.09"}, PQUIRK_NOLUNS}, 738 {{T_SEQUENTIAL, T_REMOV, 739 "SONY ", "SDT-5000 ", "3."}, PQUIRK_NOSYNC|PQUIRK_NOWIDE}, 740 {{T_SEQUENTIAL, T_REMOV, 741 "SONY ", "SDT-5200 ", "3."}, PQUIRK_NOLUNS}, 742 {{T_SEQUENTIAL, T_REMOV, 743 "TANDBERG", " TDC 3600 ", ""}, PQUIRK_NOLUNS}, 744 /* Following entry reported as a Tandberg 3600; ref. PR1933 */ 745 {{T_SEQUENTIAL, T_REMOV, 746 "ARCHIVE ", "VIPER 150 21247", ""}, PQUIRK_NOLUNS}, 747 /* Following entry for a Cipher ST150S; ref. PR4171 */ 748 {{T_SEQUENTIAL, T_REMOV, 749 "ARCHIVE ", "VIPER 1500 21247", "2.2G"}, PQUIRK_NOLUNS}, 750 {{T_SEQUENTIAL, T_REMOV, 751 "ARCHIVE ", "Python 28454-XXX", ""}, PQUIRK_NOLUNS}, 752 {{T_SEQUENTIAL, T_REMOV, 753 "WANGTEK ", "5099ES SCSI", ""}, PQUIRK_NOLUNS}, 754 {{T_SEQUENTIAL, T_REMOV, 755 "WANGTEK ", "5150ES SCSI", ""}, PQUIRK_NOLUNS}, 756 {{T_SEQUENTIAL, T_REMOV, 757 "WANGTEK ", "SCSI-36", ""}, PQUIRK_NOLUNS}, 758 {{T_SEQUENTIAL, T_REMOV, 759 "WangDAT ", "Model 1300 ", "02.4"}, PQUIRK_NOSYNC|PQUIRK_NOWIDE}, 760 {{T_SEQUENTIAL, T_REMOV, 761 "WangDAT ", "Model 2600 ", "01.7"}, PQUIRK_NOSYNC|PQUIRK_NOWIDE}, 762 {{T_SEQUENTIAL, T_REMOV, 763 "WangDAT ", "Model 3200 ", "02.2"}, PQUIRK_NOSYNC|PQUIRK_NOWIDE}, 764 {{T_SEQUENTIAL, T_REMOV, 765 "TEAC ", "MT-2ST/N50 ", ""}, PQUIRK_NOLUNS}, 766 767 {{T_SCANNER, T_FIXED, 768 "RICOH ", "IS60 ", "1R08"}, PQUIRK_NOLUNS}, 769 {{T_SCANNER, T_FIXED, 770 "UMAX ", "Astra 1200S ", "V2.9"}, PQUIRK_NOLUNS}, 771 {{T_SCANNER, T_FIXED, 772 "UMAX ", "Astra 1220S ", ""}, PQUIRK_NOLUNS}, 773 {{T_SCANNER, T_FIXED, 774 "UMAX ", "UMAX S-6E ", "V2.0"}, PQUIRK_NOLUNS}, 775 {{T_SCANNER, T_FIXED, 776 "UMAX ", "UMAX S-12 ", "V2.1"}, PQUIRK_NOLUNS}, 777 {{T_SCANNER, T_FIXED, 778 "ULTIMA ", "A6000C ", ""}, PQUIRK_NOLUNS}, 779 {{T_PROCESSOR, T_FIXED, 780 "ESG-SHV", "SCA HSBP M15", ""}, PQUIRK_NOLUNS}, 781 {{T_PROCESSOR, T_FIXED, 782 "SYMBIOS", "", ""}, PQUIRK_NOLUNS}, 783 {{T_PROCESSOR, T_FIXED, 784 "LITRONIC", "PCMCIA ", ""}, PQUIRK_NOLUNS}, 785 {{T_CHANGER, T_REMOV, 786 "SONY ", "CDL1100 ", ""}, PQUIRK_NOLUNS}, 787 {{T_ENCLOSURE, T_FIXED, 788 "SUN ", "SENA ", ""}, PQUIRK_NOLUNS}, 789 }; 790 791 /* 792 * given a target and lun, ask the device what 793 * it is, and find the correct driver table 794 * entry. 795 */ 796 static int 797 scsi_probe_device(struct scsibus_softc *sc, int target, int lun) 798 { 799 struct scsipi_channel *chan = sc->sc_channel; 800 struct scsipi_periph *periph; 801 struct scsipi_inquiry_data inqbuf; 802 const struct scsi_quirk_inquiry_pattern *finger; 803 int checkdtype, priority, docontinue, quirks; 804 struct scsipibus_attach_args sa; 805 cfdata_t cf; 806 int locs[SCSIBUSCF_NLOCS]; 807 808 /* 809 * Assume no more luns to search after this one. 810 * If we successfully get Inquiry data and after 811 * merging quirks we find we can probe for more 812 * luns, we will. 813 */ 814 docontinue = 0; 815 816 /* Skip this slot if it is already attached. */ 817 if (scsipi_lookup_periph(chan, target, lun) != NULL) 818 return (docontinue); 819 820 periph = scsipi_alloc_periph(M_NOWAIT); 821 if (periph == NULL) { 822 #ifdef DIAGNOSTIC 823 aprint_error_dev(sc->sc_dev, 824 "cannot allocate periph for target %d lun %d\n", 825 target, lun); 826 #endif 827 return (ENOMEM); 828 } 829 periph->periph_channel = chan; 830 periph->periph_switch = &scsi_probe_dev; 831 832 periph->periph_target = target; 833 periph->periph_lun = lun; 834 periph->periph_quirks = chan->chan_defquirks; 835 836 #ifdef SCSIPI_DEBUG 837 if (SCSIPI_DEBUG_TYPE == SCSIPI_BUSTYPE_SCSI && 838 SCSIPI_DEBUG_TARGET == target && 839 SCSIPI_DEBUG_LUN == lun) 840 periph->periph_dbflags |= SCSIPI_DEBUG_FLAGS; 841 #endif 842 843 /* 844 * Ask the device what it is 845 */ 846 847 #ifdef SCSI_2_DEF 848 /* some devices need to be told to go to SCSI2 */ 849 /* However some just explode if you tell them this.. leave it out */ 850 scsi_change_def(periph, XS_CTL_DISCOVERY | XS_CTL_SILENT); 851 #endif /* SCSI_2_DEF */ 852 853 /* Now go ask the device all about itself. */ 854 memset(&inqbuf, 0, sizeof(inqbuf)); 855 { 856 u_int8_t *extension = &inqbuf.flags1; 857 int len = 0; 858 while (len < 3) 859 extension[len++] = '\0'; 860 while (len < 3 + 28) 861 extension[len++] = ' '; 862 while (len < 3 + 28 + 20) 863 extension[len++] = '\0'; 864 while (len < 3 + 28 + 20 + 1) 865 extension[len++] = '\0'; 866 while (len < 3 + 28 + 20 + 1 + 1) 867 extension[len++] = '\0'; 868 while (len < 3 + 28 + 20 + 1 + 1 + (8*2)) 869 extension[len++] = ' '; 870 } 871 if (scsipi_inquire(periph, &inqbuf, XS_CTL_DISCOVERY | XS_CTL_SILENT)) 872 goto bad; 873 874 periph->periph_type = inqbuf.device & SID_TYPE; 875 if (inqbuf.dev_qual2 & SID_REMOVABLE) 876 periph->periph_flags |= PERIPH_REMOVABLE; 877 periph->periph_version = inqbuf.version & SID_ANSII; 878 879 /* 880 * Any device qualifier that has the top bit set (qualifier&4 != 0) 881 * is vendor specific and won't match in this switch. 882 * All we do here is throw out bad/negative responses. 883 */ 884 checkdtype = 0; 885 switch (inqbuf.device & SID_QUAL) { 886 case SID_QUAL_LU_PRESENT: 887 checkdtype = 1; 888 break; 889 890 case SID_QUAL_LU_NOTPRESENT: 891 case SID_QUAL_reserved: 892 case SID_QUAL_LU_NOT_SUPP: 893 goto bad; 894 895 default: 896 break; 897 } 898 899 /* Let the adapter driver handle the device separatley if it wants. */ 900 if (chan->chan_adapter->adapt_accesschk != NULL && 901 (*chan->chan_adapter->adapt_accesschk)(periph, &sa.sa_inqbuf)) 902 goto bad; 903 904 if (checkdtype) { 905 switch (periph->periph_type) { 906 case T_DIRECT: 907 case T_SEQUENTIAL: 908 case T_PRINTER: 909 case T_PROCESSOR: 910 case T_WORM: 911 case T_CDROM: 912 case T_SCANNER: 913 case T_OPTICAL: 914 case T_CHANGER: 915 case T_COMM: 916 case T_IT8_1: 917 case T_IT8_2: 918 case T_STORARRAY: 919 case T_ENCLOSURE: 920 case T_SIMPLE_DIRECT: 921 case T_OPTIC_CARD_RW: 922 case T_OBJECT_STORED: 923 default: 924 break; 925 case T_NODEVICE: 926 goto bad; 927 } 928 } 929 930 sa.sa_periph = periph; 931 sa.sa_inqbuf.type = inqbuf.device; 932 sa.sa_inqbuf.removable = inqbuf.dev_qual2 & SID_REMOVABLE ? 933 T_REMOV : T_FIXED; 934 sa.sa_inqbuf.vendor = inqbuf.vendor; 935 sa.sa_inqbuf.product = inqbuf.product; 936 sa.sa_inqbuf.revision = inqbuf.revision; 937 sa.scsipi_info.scsi_version = inqbuf.version; 938 sa.sa_inqptr = &inqbuf; 939 940 finger = scsipi_inqmatch( 941 &sa.sa_inqbuf, scsi_quirk_patterns, 942 sizeof(scsi_quirk_patterns)/sizeof(scsi_quirk_patterns[0]), 943 sizeof(scsi_quirk_patterns[0]), &priority); 944 945 if (finger != NULL) 946 quirks = finger->quirks; 947 else 948 quirks = 0; 949 950 /* 951 * Determine the operating mode capabilities of the device. 952 */ 953 if (periph->periph_version >= 2) { 954 if ((inqbuf.flags3 & SID_CmdQue) != 0 && 955 (quirks & PQUIRK_NOTAG) == 0) 956 periph->periph_cap |= PERIPH_CAP_TQING; 957 if ((inqbuf.flags3 & SID_Linked) != 0) 958 periph->periph_cap |= PERIPH_CAP_LINKCMDS; 959 if ((inqbuf.flags3 & SID_Sync) != 0 && 960 (quirks & PQUIRK_NOSYNC) == 0) 961 periph->periph_cap |= PERIPH_CAP_SYNC; 962 if ((inqbuf.flags3 & SID_WBus16) != 0 && 963 (quirks & PQUIRK_NOWIDE) == 0) 964 periph->periph_cap |= PERIPH_CAP_WIDE16; 965 if ((inqbuf.flags3 & SID_WBus32) != 0 && 966 (quirks & PQUIRK_NOWIDE) == 0) 967 periph->periph_cap |= PERIPH_CAP_WIDE32; 968 if ((inqbuf.flags3 & SID_SftRe) != 0) 969 periph->periph_cap |= PERIPH_CAP_SFTRESET; 970 if ((inqbuf.flags3 & SID_RelAdr) != 0) 971 periph->periph_cap |= PERIPH_CAP_RELADR; 972 /* SPC-2 */ 973 if (periph->periph_version >= 3 && 974 !(quirks & PQUIRK_CAP_NODT)){ 975 /* 976 * Report ST clocking though CAP_WIDExx/CAP_SYNC. 977 * If the device only supports DT, clear these 978 * flags (DT implies SYNC and WIDE) 979 */ 980 switch (inqbuf.flags4 & SID_Clocking) { 981 case SID_CLOCKING_DT_ONLY: 982 periph->periph_cap &= 983 ~(PERIPH_CAP_SYNC | 984 PERIPH_CAP_WIDE16 | 985 PERIPH_CAP_WIDE32); 986 /* FALLTHROUGH */ 987 case SID_CLOCKING_SD_DT: 988 periph->periph_cap |= PERIPH_CAP_DT; 989 break; 990 default: /* ST only or invalid */ 991 /* nothing to do */ 992 break; 993 } 994 } 995 if (periph->periph_version >= 3) { 996 if (inqbuf.flags4 & SID_IUS) 997 periph->periph_cap |= PERIPH_CAP_IUS; 998 if (inqbuf.flags4 & SID_QAS) 999 periph->periph_cap |= PERIPH_CAP_QAS; 1000 } 1001 } 1002 if (quirks & PQUIRK_CAP_SYNC) 1003 periph->periph_cap |= PERIPH_CAP_SYNC; 1004 if (quirks & PQUIRK_CAP_WIDE16) 1005 periph->periph_cap |= PERIPH_CAP_WIDE16; 1006 1007 /* 1008 * Now apply any quirks from the table. 1009 */ 1010 periph->periph_quirks |= quirks; 1011 if (periph->periph_version == 0 && 1012 (periph->periph_quirks & PQUIRK_FORCELUNS) == 0) 1013 periph->periph_quirks |= PQUIRK_NOLUNS; 1014 1015 if ((periph->periph_quirks & PQUIRK_NOLUNS) == 0) 1016 docontinue = 1; 1017 1018 locs[SCSIBUSCF_TARGET] = target; 1019 locs[SCSIBUSCF_LUN] = lun; 1020 1021 if ((cf = config_search_loc(config_stdsubmatch, sc->sc_dev, 1022 "scsibus", locs, &sa)) != NULL) { 1023 scsipi_insert_periph(chan, periph); 1024 /* 1025 * XXX Can't assign periph_dev here, because we'll 1026 * XXX need it before config_attach() returns. Must 1027 * XXX assign it in periph driver. 1028 */ 1029 config_attach_loc(sc->sc_dev, cf, locs, &sa, 1030 scsibusprint); 1031 } else { 1032 scsibusprint(&sa, device_xname(sc->sc_dev)); 1033 aprint_normal(" not configured\n"); 1034 goto bad; 1035 } 1036 1037 return (docontinue); 1038 1039 bad: 1040 scsipi_free_periph(periph); 1041 return (docontinue); 1042 } 1043 1044 /****** Entry points for user control of the SCSI bus. ******/ 1045 1046 static int 1047 scsibusopen(dev_t dev, int flag, int fmt, 1048 struct lwp *l) 1049 { 1050 struct scsibus_softc *sc; 1051 int error, unit = minor(dev); 1052 1053 sc = device_lookup_private(&scsibus_cd, unit); 1054 if (sc == NULL) 1055 return (ENXIO); 1056 1057 if (sc->sc_flags & SCSIBUSF_OPEN) 1058 return (EBUSY); 1059 1060 if ((error = scsipi_adapter_addref(sc->sc_channel->chan_adapter)) != 0) 1061 return (error); 1062 1063 sc->sc_flags |= SCSIBUSF_OPEN; 1064 1065 return (0); 1066 } 1067 1068 static int 1069 scsibusclose(dev_t dev, int flag, int fmt, 1070 struct lwp *l) 1071 { 1072 struct scsibus_softc *sc; 1073 1074 sc = device_lookup_private(&scsibus_cd, minor(dev)); 1075 scsipi_adapter_delref(sc->sc_channel->chan_adapter); 1076 1077 sc->sc_flags &= ~SCSIBUSF_OPEN; 1078 1079 return (0); 1080 } 1081 1082 static int 1083 scsibusioctl(dev_t dev, u_long cmd, void *addr, int flag, struct lwp *l) 1084 { 1085 struct scsibus_softc *sc; 1086 struct scsipi_channel *chan; 1087 int error; 1088 1089 sc = device_lookup_private(&scsibus_cd, minor(dev)); 1090 chan = sc->sc_channel; 1091 1092 /* 1093 * Enforce write permission for ioctls that change the 1094 * state of the bus. Host adapter specific ioctls must 1095 * be checked by the adapter driver. 1096 */ 1097 switch (cmd) { 1098 case SCBUSIOSCAN: 1099 case SCBUSIODETACH: 1100 case SCBUSIORESET: 1101 if ((flag & FWRITE) == 0) 1102 return (EBADF); 1103 } 1104 1105 switch (cmd) { 1106 case SCBUSIOSCAN: 1107 { 1108 struct scbusioscan_args *a = 1109 (struct scbusioscan_args *)addr; 1110 1111 error = scsi_probe_bus(sc, a->sa_target, a->sa_lun); 1112 break; 1113 } 1114 1115 case SCBUSIODETACH: 1116 { 1117 struct scbusiodetach_args *a = 1118 (struct scbusiodetach_args *)addr; 1119 1120 error = scsipi_target_detach(chan, a->sa_target, a->sa_lun, 0); 1121 break; 1122 } 1123 1124 1125 case SCBUSIORESET: 1126 /* FALLTHROUGH */ 1127 default: 1128 error = scsipi_adapter_ioctl(chan, cmd, addr, flag, l->l_proc); 1129 break; 1130 } 1131 1132 return (error); 1133 } 1134
Indexes created Sat Sep 27 22:09:54 GMT 2025