scsiconf.c revision 1.281
1 /* $NetBSD: scsiconf.c,v 1.281 2018/09/01 07:20:29 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 1.281 2018/09/01 07:20:29 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 #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 SCSIPI_BUSTYPE_BUSTYPE(SCSIPI_BUSTYPE_SCSI, SCSIPI_BUSTYPE_SCSI_PSCSI), 130 scsi_scsipi_cmd, 131 scsipi_interpret_sense, 132 scsi_print_addr, 133 scsi_kill_pending, 134 scsi_async_event_xfer_mode, 135 }; 136 137 const struct scsipi_bustype scsi_fc_bustype = { 138 SCSIPI_BUSTYPE_BUSTYPE(SCSIPI_BUSTYPE_SCSI, SCSIPI_BUSTYPE_SCSI_FC), 139 scsi_scsipi_cmd, 140 scsipi_interpret_sense, 141 scsi_print_addr, 142 scsi_kill_pending, 143 scsi_fc_sas_async_event_xfer_mode, 144 }; 145 146 const struct scsipi_bustype scsi_sas_bustype = { 147 SCSIPI_BUSTYPE_BUSTYPE(SCSIPI_BUSTYPE_SCSI, SCSIPI_BUSTYPE_SCSI_SAS), 148 scsi_scsipi_cmd, 149 scsipi_interpret_sense, 150 scsi_print_addr, 151 scsi_kill_pending, 152 scsi_fc_sas_async_event_xfer_mode, 153 }; 154 155 const struct scsipi_bustype scsi_usb_bustype = { 156 SCSIPI_BUSTYPE_BUSTYPE(SCSIPI_BUSTYPE_SCSI, SCSIPI_BUSTYPE_SCSI_USB), 157 scsi_scsipi_cmd, 158 scsipi_interpret_sense, 159 scsi_print_addr, 160 scsi_kill_pending, 161 NULL, 162 }; 163 164 static int 165 scsibus_init(void) 166 { 167 168 TAILQ_INIT(&scsi_initq_head); 169 mutex_init(&scsibus_qlock, MUTEX_DEFAULT, IPL_NONE); 170 cv_init(&scsibus_qcv, "scsinitq"); 171 return 0; 172 } 173 174 int 175 scsiprint(void *aux, const char *pnp) 176 { 177 struct scsipi_channel *chan = aux; 178 struct scsipi_adapter *adapt = chan->chan_adapter; 179 180 /* only "scsibus"es can attach to "scsi"s; easy. */ 181 if (pnp) 182 aprint_normal("scsibus at %s", pnp); 183 184 /* don't print channel if the controller says there can be only one. */ 185 if (adapt->adapt_nchannels != 1) 186 aprint_normal(" channel %d", chan->chan_channel); 187 188 return (UNCONF); 189 } 190 191 static int 192 scsibusmatch(device_t parent, cfdata_t cf, void *aux) 193 { 194 struct scsipi_channel *chan = aux; 195 196 if (SCSIPI_BUSTYPE_TYPE(chan->chan_bustype->bustype_type) != 197 SCSIPI_BUSTYPE_SCSI) 198 return 0; 199 200 if (cf->cf_loc[SCSICF_CHANNEL] != chan->chan_channel && 201 cf->cf_loc[SCSICF_CHANNEL] != SCSICF_CHANNEL_DEFAULT) 202 return (0); 203 204 return (1); 205 } 206 207 static void 208 scsibusattach(device_t parent, device_t self, void *aux) 209 { 210 struct scsibus_softc *sc = device_private(self); 211 struct scsipi_channel *chan = aux; 212 struct scsi_initq *scsi_initq; 213 214 if (!pmf_device_register(self, NULL, NULL)) 215 aprint_error_dev(self, "couldn't establish power handler\n"); 216 217 sc->sc_dev = self; 218 sc->sc_channel = chan; 219 chan->chan_name = device_xname(sc->sc_dev); 220 221 aprint_naive(": SCSI bus\n"); 222 aprint_normal(": %d target%s, %d lun%s per target\n", 223 chan->chan_ntargets, 224 chan->chan_ntargets == 1 ? "" : "s", 225 chan->chan_nluns, 226 chan->chan_nluns == 1 ? "" : "s"); 227 228 /* 229 * XXX 230 * newer adapters support more than 256 outstanding commands 231 * per periph and don't use the tag (they eventually allocate one 232 * internally). Right now scsipi always allocate a tag and 233 * is limited to 256 tags, per scsi specs. 234 * this should be revisited 235 */ 236 if (chan->chan_flags & SCSIPI_CHAN_OPENINGS) { 237 if (chan->chan_max_periph > 256) 238 chan->chan_max_periph = 256; 239 } else { 240 if (chan->chan_adapter->adapt_max_periph > 256) 241 chan->chan_adapter->adapt_max_periph = 256; 242 } 243 244 if (atomic_inc_uint_nv(&chan_running(chan)) == 1) 245 mutex_init(chan_mtx(chan), MUTEX_DEFAULT, IPL_BIO); 246 247 cv_init(&chan->chan_cv_thr, "scshut"); 248 cv_init(&chan->chan_cv_comp, "sccomp"); 249 cv_init(&chan->chan_cv_xs, "xscmd"); 250 251 if (scsipi_adapter_addref(chan->chan_adapter)) 252 return; 253 254 RUN_ONCE(&scsi_conf_ctrl, scsibus_init); 255 256 /* Initialize the channel structure first */ 257 chan->chan_init_cb = NULL; 258 chan->chan_init_cb_arg = NULL; 259 260 scsi_initq = malloc(sizeof(struct scsi_initq), M_DEVBUF, M_WAITOK); 261 scsi_initq->sc_channel = chan; 262 TAILQ_INSERT_TAIL(&scsi_initq_head, scsi_initq, scsi_initq); 263 config_pending_incr(sc->sc_dev); 264 if (scsipi_channel_init(chan)) { 265 aprint_error_dev(sc->sc_dev, "failed to init channel\n"); 266 return; 267 } 268 269 /* 270 * Create the discover thread 271 */ 272 if (kthread_create(PRI_NONE, 0, NULL, scsibus_discover_thread, sc, 273 &chan->chan_dthread, "%s-d", chan->chan_name)) { 274 aprint_error_dev(sc->sc_dev, "unable to create discovery " 275 "thread for channel %d\n", chan->chan_channel); 276 return; 277 } 278 } 279 280 static void 281 scsibus_discover_thread(void *arg) 282 { 283 struct scsibus_softc *sc = arg; 284 285 scsibus_config(sc); 286 sc->sc_channel->chan_dthread = NULL; 287 kthread_exit(0); 288 } 289 290 static void 291 scsibus_config(struct scsibus_softc *sc) 292 { 293 struct scsipi_channel *chan = sc->sc_channel; 294 struct scsi_initq *scsi_initq; 295 296 #ifndef SCSI_DELAY 297 #define SCSI_DELAY 2 298 #endif 299 if ((chan->chan_flags & SCSIPI_CHAN_NOSETTLE) == 0 && 300 SCSI_DELAY > 0) { 301 aprint_normal_dev(sc->sc_dev, 302 "waiting %d seconds for devices to settle...\n", 303 SCSI_DELAY); 304 /* ...an identifier we know no one will use... */ 305 kpause("scsidly", false, SCSI_DELAY * hz, NULL); 306 } 307 308 /* Make sure the devices probe in scsibus order to avoid jitter. */ 309 mutex_enter(&scsibus_qlock); 310 for (;;) { 311 scsi_initq = TAILQ_FIRST(&scsi_initq_head); 312 if (scsi_initq->sc_channel == chan) 313 break; 314 cv_wait(&scsibus_qcv, &scsibus_qlock); 315 } 316 mutex_exit(&scsibus_qlock); 317 318 scsi_probe_bus(sc, -1, -1); 319 320 mutex_enter(&scsibus_qlock); 321 TAILQ_REMOVE(&scsi_initq_head, scsi_initq, scsi_initq); 322 cv_broadcast(&scsibus_qcv); 323 mutex_exit(&scsibus_qlock); 324 325 free(scsi_initq, M_DEVBUF); 326 327 scsipi_adapter_delref(chan->chan_adapter); 328 329 config_pending_decr(sc->sc_dev); 330 } 331 332 static int 333 scsibusdetach(device_t self, int flags) 334 { 335 struct scsibus_softc *sc = device_private(self); 336 struct scsipi_channel *chan = sc->sc_channel; 337 int error; 338 339 /* 340 * Defer while discovery thread is running 341 */ 342 while (chan->chan_dthread != NULL) 343 kpause("scsibusdet", false, hz, NULL); 344 345 /* 346 * Detach all of the periphs. 347 */ 348 error = scsipi_target_detach(chan, -1, -1, flags); 349 if (error) 350 return error; 351 352 pmf_device_deregister(self); 353 354 /* 355 * Shut down the channel. 356 */ 357 scsipi_channel_shutdown(chan); 358 359 cv_destroy(&chan->chan_cv_xs); 360 cv_destroy(&chan->chan_cv_comp); 361 cv_destroy(&chan->chan_cv_thr); 362 363 if (atomic_dec_uint_nv(&chan_running(chan)) == 0) 364 mutex_destroy(chan_mtx(chan)); 365 366 return 0; 367 } 368 369 /* 370 * Probe the requested scsi bus. It must be already set up. 371 * target and lun optionally narrow the search if not -1 372 */ 373 int 374 scsi_probe_bus(struct scsibus_softc *sc, int target, int lun) 375 { 376 struct scsipi_channel *chan = sc->sc_channel; 377 int maxtarget, mintarget, maxlun, minlun; 378 int error; 379 380 if (target == -1) { 381 maxtarget = chan->chan_ntargets - 1; 382 mintarget = 0; 383 } else { 384 if (target < 0 || target >= chan->chan_ntargets) 385 return (EINVAL); 386 maxtarget = mintarget = target; 387 } 388 389 if (lun == -1) { 390 maxlun = chan->chan_nluns - 1; 391 minlun = 0; 392 } else { 393 if (lun < 0 || lun >= chan->chan_nluns) 394 return (EINVAL); 395 maxlun = minlun = lun; 396 } 397 398 /* 399 * Some HBAs provide an abstracted view of the bus; give them an 400 * oppertunity to re-scan it before we do. 401 */ 402 scsipi_adapter_ioctl(chan, SCBUSIOLLSCAN, NULL, 0, curproc); 403 404 if ((error = scsipi_adapter_addref(chan->chan_adapter)) != 0) 405 goto ret; 406 for (target = mintarget; target <= maxtarget; target++) { 407 if (target == chan->chan_id) 408 continue; 409 for (lun = minlun; lun <= maxlun; lun++) { 410 /* 411 * See if there's a device present, and configure it. 412 */ 413 if (scsi_probe_device(sc, target, lun) == 0) 414 break; 415 /* otherwise something says we should look further */ 416 } 417 418 /* 419 * Now that we've discovered all of the LUNs on this 420 * I_T Nexus, update the xfer mode for all of them 421 * that we know about. 422 */ 423 scsipi_set_xfer_mode(chan, target, 1); 424 } 425 426 scsipi_adapter_delref(chan->chan_adapter); 427 ret: 428 return (error); 429 } 430 431 static int 432 scsibusrescan(device_t sc, const char *ifattr, 433 const int *locators) 434 { 435 436 KASSERT(ifattr && !strcmp(ifattr, "scsibus")); 437 KASSERT(locators); 438 439 return (scsi_probe_bus(device_private(sc), 440 locators[SCSIBUSCF_TARGET], locators[SCSIBUSCF_LUN])); 441 } 442 443 static void 444 scsidevdetached(device_t self, device_t child) 445 { 446 struct scsibus_softc *sc = device_private(self); 447 struct scsipi_channel *chan = sc->sc_channel; 448 struct scsipi_periph *periph; 449 int target, lun; 450 451 target = device_locator(child, SCSIBUSCF_TARGET); 452 lun = device_locator(child, SCSIBUSCF_LUN); 453 454 mutex_enter(chan_mtx(chan)); 455 456 periph = scsipi_lookup_periph_locked(chan, target, lun); 457 KASSERT(periph != NULL && periph->periph_dev == child); 458 459 scsipi_remove_periph(chan, periph); 460 scsipi_free_periph(periph); 461 462 mutex_exit(chan_mtx(chan)); 463 } 464 465 /* 466 * Print out autoconfiguration information for a subdevice. 467 * 468 * This is a slight abuse of 'standard' autoconfiguration semantics, 469 * because 'print' functions don't normally print the colon and 470 * device information. However, in this case that's better than 471 * either printing redundant information before the attach message, 472 * or having the device driver call a special function to print out 473 * the standard device information. 474 */ 475 static int 476 scsibusprint(void *aux, const char *pnp) 477 { 478 struct scsipibus_attach_args *sa = aux; 479 struct scsipi_inquiry_pattern *inqbuf; 480 u_int8_t type; 481 const char *dtype; 482 char vendor[33], product[65], revision[17]; 483 int target, lun; 484 485 if (pnp != NULL) 486 aprint_normal("%s", pnp); 487 488 inqbuf = &sa->sa_inqbuf; 489 490 target = sa->sa_periph->periph_target; 491 lun = sa->sa_periph->periph_lun; 492 type = inqbuf->type & SID_TYPE; 493 494 dtype = scsipi_dtype(type); 495 496 strnvisx(vendor, sizeof(vendor), inqbuf->vendor, 8, 497 VIS_TRIM|VIS_SAFE|VIS_OCTAL); 498 strnvisx(product, sizeof(product), inqbuf->product, 16, 499 VIS_TRIM|VIS_SAFE|VIS_OCTAL); 500 strnvisx(revision, sizeof(revision), inqbuf->revision, 4, 501 VIS_TRIM|VIS_SAFE|VIS_OCTAL); 502 503 aprint_normal(" target %d lun %d: <%s, %s, %s> %s %s", 504 target, lun, vendor, product, revision, dtype, 505 inqbuf->removable ? "removable" : "fixed"); 506 507 return (UNCONF); 508 } 509 510 static const struct scsi_quirk_inquiry_pattern scsi_quirk_patterns[] = { 511 {{T_DIRECT, T_REMOV, 512 "Apple ", "iPod ", ""}, PQUIRK_START}, 513 {{T_CDROM, T_REMOV, 514 "CHINON ", "CD-ROM CDS-431 ", ""}, PQUIRK_NOLUNS}, 515 {{T_CDROM, T_REMOV, 516 "CHINON ", "CD-ROM CDS-435 ", ""}, PQUIRK_NOLUNS}, 517 {{T_CDROM, T_REMOV, 518 "Chinon ", "CD-ROM CDS-525 ", ""}, PQUIRK_NOLUNS}, 519 {{T_CDROM, T_REMOV, 520 "CHINON ", "CD-ROM CDS-535 ", ""}, PQUIRK_NOLUNS}, 521 {{T_CDROM, T_REMOV, 522 "DEC ", "RRD42 (C) DEC ", ""}, PQUIRK_NOLUNS}, 523 {{T_CDROM, T_REMOV, 524 "DENON ", "DRD-25X ", "V"}, PQUIRK_NOLUNS}, 525 {{T_CDROM, T_REMOV, 526 "GENERIC ", "CRD-BP2 ", ""}, PQUIRK_NOLUNS}, 527 {{T_CDROM, T_REMOV, 528 "HP ", "C4324/C4325 ", ""}, PQUIRK_NOLUNS}, 529 {{T_CDROM, T_REMOV, 530 "IMS ", "CDD521/10 ", "2.06"}, PQUIRK_NOLUNS}, 531 {{T_CDROM, T_REMOV, 532 "MATSHITA", "CD-ROM CR-5XX ", "1.0b"}, PQUIRK_NOLUNS}, 533 {{T_CDROM, T_REMOV, 534 "MEDAVIS ", "RENO CD-ROMX2A ", ""}, PQUIRK_NOLUNS}, 535 {{T_CDROM, T_REMOV, 536 "MEDIAVIS", "CDR-H93MV ", "1.3"}, PQUIRK_NOLUNS}, 537 {{T_CDROM, T_REMOV, 538 "NEC ", "CD-ROM DRIVE:502", ""}, PQUIRK_NOLUNS}, 539 {{T_CDROM, T_REMOV, 540 "NEC ", "CD-ROM DRIVE:55 ", ""}, PQUIRK_NOLUNS}, 541 {{T_CDROM, T_REMOV, 542 "NEC ", "CD-ROM DRIVE:83 ", ""}, PQUIRK_NOLUNS}, 543 {{T_CDROM, T_REMOV, 544 "NEC ", "CD-ROM DRIVE:84 ", ""}, PQUIRK_NOLUNS}, 545 {{T_CDROM, T_REMOV, 546 "NEC ", "CD-ROM DRIVE:841", ""}, PQUIRK_NOLUNS}, 547 {{T_CDROM, T_REMOV, 548 "OLYMPUS ", "CDS620E ", "1.1d"}, 549 PQUIRK_NOLUNS|PQUIRK_NOSYNC|PQUIRK_NOCAPACITY}, 550 {{T_CDROM, T_REMOV, 551 "PIONEER ", "CD-ROM DR-124X ", "1.01"}, PQUIRK_NOLUNS}, 552 {{T_CDROM, T_REMOV, 553 "PLEXTOR ", "CD-ROM PX-4XCS ", "1.01"}, 554 PQUIRK_NOLUNS|PQUIRK_NOSYNC}, 555 {{T_CDROM, T_REMOV, 556 "SONY ", "CD-ROM CDU-541 ", ""}, PQUIRK_NOLUNS}, 557 {{T_CDROM, T_REMOV, 558 "SONY ", "CD-ROM CDU-55S ", ""}, PQUIRK_NOLUNS}, 559 {{T_CDROM, T_REMOV, 560 "SONY ", "CD-ROM CDU-561 ", ""}, PQUIRK_NOLUNS}, 561 {{T_CDROM, T_REMOV, 562 "SONY ", "CD-ROM CDU-76S", ""}, 563 PQUIRK_NOLUNS|PQUIRK_NOSYNC|PQUIRK_NOWIDE}, 564 {{T_CDROM, T_REMOV, 565 "SONY ", "CD-ROM CDU-8003A", ""}, PQUIRK_NOLUNS}, 566 {{T_CDROM, T_REMOV, 567 "SONY ", "CD-ROM CDU-8012 ", ""}, PQUIRK_NOLUNS}, 568 {{T_CDROM, T_REMOV, 569 "TEAC ", "CD-ROM ", "1.06"}, PQUIRK_NOLUNS}, 570 {{T_CDROM, T_REMOV, 571 "TEAC ", "CD-ROM CD-56S ", "1.0B"}, PQUIRK_NOLUNS}, 572 {{T_CDROM, T_REMOV, 573 "TEXEL ", "CD-ROM ", "1.06"}, PQUIRK_NOLUNS}, 574 {{T_CDROM, T_REMOV, 575 "TEXEL ", "CD-ROM DM-XX24 K", "1.09"}, PQUIRK_NOLUNS}, 576 {{T_CDROM, T_REMOV, 577 "TEXEL ", "CD-ROM DM-XX24 K", "1.10"}, PQUIRK_NOLUNS}, 578 {{T_CDROM, T_REMOV, 579 "TOSHIBA ", "XM-4101TASUNSLCD", ""}, PQUIRK_NOLUNS|PQUIRK_NOSYNC}, 580 /* "IBM CDRM00201 !F" 0724 is an IBM OEM Toshiba XM-4101BME */ 581 {{T_CDROM, T_REMOV, 582 "IBM ", "CDRM00201 !F", "0724"}, PQUIRK_NOLUNS|PQUIRK_NOSYNC}, 583 {{T_CDROM, T_REMOV, 584 "ShinaKen", "CD-ROM DM-3x1S", "1.04"}, PQUIRK_NOLUNS}, 585 {{T_CDROM, T_REMOV, 586 "JVC ", "R2626", ""}, PQUIRK_NOLUNS}, 587 {{T_CDROM, T_REMOV, 588 "YAMAHA", "CRW8424S", ""}, PQUIRK_NOLUNS}, 589 {{T_CDROM, T_REMOV, 590 "NEC ", "CD-ROM DRIVE:222", ""}, PQUIRK_NOLUNS|PQUIRK_NOSYNC}, 591 592 {{T_DIRECT, T_FIXED, 593 "MICROP ", "1588-15MBSUN0669", ""}, PQUIRK_AUTOSAVE}, 594 {{T_DIRECT, T_FIXED, 595 "MICROP ", "2217-15MQ1091501", ""}, PQUIRK_NOSYNCCACHE}, 596 {{T_OPTICAL, T_REMOV, 597 "EPSON ", "OMD-5010 ", "3.08"}, PQUIRK_NOLUNS}, 598 {{T_DIRECT, T_FIXED, 599 "ADAPTEC ", "AEC-4412BD", "1.2A"}, PQUIRK_NOMODESENSE}, 600 {{T_DIRECT, T_FIXED, 601 "ADAPTEC ", "ACB-4000", ""}, PQUIRK_FORCELUNS|PQUIRK_AUTOSAVE|PQUIRK_NOMODESENSE}, 602 {{T_DIRECT, T_FIXED, 603 "DEC ", "RZ55 (C) DEC", ""}, PQUIRK_AUTOSAVE}, 604 {{T_DIRECT, T_FIXED, 605 "EMULEX ", "MD21/S2 ESDI", "A00"}, 606 PQUIRK_FORCELUNS|PQUIRK_AUTOSAVE}, 607 {{T_DIRECT, T_FIXED, 608 "MICROP", "1548-15MZ1077801", "HZ2P"}, PQUIRK_NOTAG}, 609 {{T_DIRECT, T_FIXED, 610 "HP ", "C372", ""}, PQUIRK_NOTAG}, 611 {{T_DIRECT, T_FIXED, 612 "IBMRAID ", "0662S", ""}, PQUIRK_AUTOSAVE}, 613 {{T_DIRECT, T_FIXED, 614 "IBM ", "0663H", ""}, PQUIRK_AUTOSAVE}, 615 {{T_DIRECT, T_FIXED, 616 "IBM", "0664", ""}, PQUIRK_AUTOSAVE}, 617 {{T_DIRECT, T_FIXED, 618 /* improperly report DT-only sync mode */ 619 "IBM ", "DXHS36D", ""}, 620 PQUIRK_CAP_SYNC|PQUIRK_CAP_WIDE16}, 621 {{T_DIRECT, T_FIXED, 622 "IBM ", "DXHS18Y", ""}, 623 PQUIRK_CAP_SYNC|PQUIRK_CAP_WIDE16}, 624 {{T_DIRECT, T_FIXED, 625 "IBM ", "H3171-S2", ""}, 626 PQUIRK_NOLUNS|PQUIRK_AUTOSAVE}, 627 {{T_DIRECT, T_FIXED, 628 "IBM ", "KZ-C", ""}, PQUIRK_AUTOSAVE}, 629 /* Broken IBM disk */ 630 {{T_DIRECT, T_FIXED, 631 "" , "DFRSS2F", ""}, PQUIRK_AUTOSAVE}, 632 {{T_DIRECT, T_FIXED, 633 "Initio ", "", ""}, PQUIRK_NOBIGMODESENSE}, 634 {{T_DIRECT, T_REMOV, 635 "MPL ", "MC-DISK- ", ""}, PQUIRK_NOLUNS}, 636 {{T_DIRECT, T_FIXED, 637 "MAXTOR ", "XT-3280 ", ""}, PQUIRK_NOLUNS}, 638 {{T_DIRECT, T_FIXED, 639 "MAXTOR ", "XT-4380S ", ""}, PQUIRK_NOLUNS}, 640 {{T_DIRECT, T_FIXED, 641 "MAXTOR ", "MXT-1240S ", ""}, PQUIRK_NOLUNS}, 642 {{T_DIRECT, T_FIXED, 643 "MAXTOR ", "XT-4170S ", ""}, PQUIRK_NOLUNS}, 644 {{T_DIRECT, T_FIXED, 645 "MAXTOR ", "XT-8760S", ""}, PQUIRK_NOLUNS}, 646 {{T_DIRECT, T_FIXED, 647 "MAXTOR ", "LXT-213S ", ""}, PQUIRK_NOLUNS}, 648 {{T_DIRECT, T_FIXED, 649 "MAXTOR ", "LXT-213S SUN0207", ""}, PQUIRK_NOLUNS}, 650 {{T_DIRECT, T_FIXED, 651 "MAXTOR ", "LXT-200S ", ""}, PQUIRK_NOLUNS}, 652 {{T_DIRECT, T_FIXED, 653 "MEGADRV ", "EV1000", ""}, PQUIRK_NOMODESENSE}, 654 {{T_DIRECT, T_FIXED, 655 "MICROP", "1991-27MZ", ""}, PQUIRK_NOTAG}, 656 {{T_DIRECT, T_FIXED, 657 "MST ", "SnapLink ", ""}, PQUIRK_NOLUNS}, 658 {{T_DIRECT, T_FIXED, 659 "NEC ", "D3847 ", "0307"}, PQUIRK_NOLUNS}, 660 {{T_DIRECT, T_FIXED, 661 "QUANTUM ", "ELS85S ", ""}, PQUIRK_AUTOSAVE}, 662 {{T_DIRECT, T_FIXED, 663 "QUANTUM ", "LPS525S ", ""}, PQUIRK_NOLUNS}, 664 {{T_DIRECT, T_FIXED, 665 "QUANTUM ", "P105S 910-10-94x", ""}, PQUIRK_NOLUNS}, 666 {{T_DIRECT, T_FIXED, 667 "QUANTUM ", "PD1225S ", ""}, PQUIRK_NOLUNS}, 668 {{T_DIRECT, T_FIXED, 669 "QUANTUM ", "PD210S SUN0207", ""}, PQUIRK_NOLUNS}, 670 {{T_DIRECT, T_FIXED, 671 "QUANTUM ", "ATLAS IV 9 WLS", "0A0A"}, PQUIRK_CAP_NODT}, 672 {{T_DIRECT, T_FIXED, 673 "RODIME ", "RO3000S ", ""}, PQUIRK_NOLUNS}, 674 {{T_DIRECT, T_FIXED, 675 "SEAGATE ", "ST125N ", ""}, PQUIRK_NOLUNS}, 676 {{T_DIRECT, T_FIXED, 677 "SEAGATE ", "ST157N ", ""}, PQUIRK_NOLUNS}, 678 {{T_DIRECT, T_FIXED, 679 "SEAGATE ", "ST296 ", ""}, PQUIRK_NOLUNS}, 680 {{T_DIRECT, T_FIXED, 681 "SEAGATE ", "ST296N ", ""}, PQUIRK_NOLUNS}, 682 {{T_DIRECT, T_FIXED, 683 "SEAGATE ", "ST318404LC ", ""}, PQUIRK_NOLUNS}, 684 {{T_DIRECT, T_FIXED, 685 "SEAGATE ", "ST39236LC ", ""}, PQUIRK_NOLUNS}, 686 {{T_DIRECT, T_FIXED, 687 "SEAGATE ", "ST15150N ", ""}, PQUIRK_NOTAG}, 688 {{T_DIRECT, T_FIXED, 689 "SEAGATE ", "ST19171", ""}, PQUIRK_NOMODESENSE}, 690 {{T_DIRECT, T_FIXED, 691 "SEAGATE ", "ST32430N", ""}, PQUIRK_CAP_SYNC}, 692 {{T_DIRECT, T_FIXED, 693 "SEAGATE ", "ST34501FC ", ""}, PQUIRK_NOMODESENSE}, 694 {{T_DIRECT, T_FIXED, 695 "SEAGATE ", "SX910800N", ""}, PQUIRK_NOTAG}, 696 {{T_DIRECT, T_FIXED, 697 "TOSHIBA ", "MK538FB ", "6027"}, PQUIRK_NOLUNS}, 698 {{T_DIRECT, T_FIXED, 699 "MICROP ", "1924", ""}, PQUIRK_CAP_SYNC}, 700 {{T_DIRECT, T_FIXED, 701 "FUJITSU ", "M2266", ""}, PQUIRK_CAP_SYNC}, 702 {{T_DIRECT, T_FIXED, 703 "FUJITSU ", "M2624S-512 ", ""}, PQUIRK_CAP_SYNC}, 704 {{T_DIRECT, T_FIXED, 705 "SEAGATE ", "SX336704LC" , ""}, PQUIRK_CAP_SYNC | PQUIRK_CAP_WIDE16}, 706 {{T_DIRECT, T_FIXED, 707 "SEAGATE ", "SX173404LC", ""}, PQUIRK_CAP_SYNC | PQUIRK_CAP_WIDE16}, 708 709 {{T_DIRECT, T_REMOV, 710 "IOMEGA", "ZIP 100", "J.03"}, PQUIRK_NOLUNS|PQUIRK_NOSYNC}, 711 {{T_DIRECT, T_REMOV, 712 "INSITE", "I325VM", ""}, PQUIRK_NOLUNS}, 713 714 /* XXX: QIC-36 tape behind Emulex adapter. Very broken. */ 715 {{T_SEQUENTIAL, T_REMOV, 716 " ", " ", " "}, PQUIRK_NOLUNS}, 717 {{T_SEQUENTIAL, T_REMOV, 718 "EMULEX ", "MT-02 QIC ", ""}, PQUIRK_NOLUNS}, 719 {{T_SEQUENTIAL, T_REMOV, 720 "CALIPER ", "CP150 ", ""}, PQUIRK_NOLUNS}, 721 {{T_SEQUENTIAL, T_REMOV, 722 "EXABYTE ", "EXB-8200 ", ""}, PQUIRK_NOLUNS}, 723 {{T_SEQUENTIAL, T_REMOV, 724 "SONY ", "GY-10C ", ""}, PQUIRK_NOLUNS}, 725 {{T_SEQUENTIAL, T_REMOV, 726 "SONY ", "SDT-2000 ", "2.09"}, PQUIRK_NOLUNS}, 727 {{T_SEQUENTIAL, T_REMOV, 728 "SONY ", "SDT-5000 ", "3."}, PQUIRK_NOSYNC|PQUIRK_NOWIDE}, 729 {{T_SEQUENTIAL, T_REMOV, 730 "SONY ", "SDT-5200 ", "3."}, PQUIRK_NOLUNS}, 731 {{T_SEQUENTIAL, T_REMOV, 732 "TANDBERG", " TDC 3600 ", ""}, PQUIRK_NOLUNS}, 733 /* Following entry reported as a Tandberg 3600; ref. PR1933 */ 734 {{T_SEQUENTIAL, T_REMOV, 735 "ARCHIVE ", "VIPER 150 21247", ""}, PQUIRK_NOLUNS}, 736 /* Following entry for a Cipher ST150S; ref. PR4171 */ 737 {{T_SEQUENTIAL, T_REMOV, 738 "ARCHIVE ", "VIPER 1500 21247", "2.2G"}, PQUIRK_NOLUNS}, 739 {{T_SEQUENTIAL, T_REMOV, 740 "ARCHIVE ", "Python 28454-XXX", ""}, PQUIRK_NOLUNS}, 741 {{T_SEQUENTIAL, T_REMOV, 742 "WANGTEK ", "5099ES SCSI", ""}, PQUIRK_NOLUNS}, 743 {{T_SEQUENTIAL, T_REMOV, 744 "WANGTEK ", "5150ES SCSI", ""}, PQUIRK_NOLUNS}, 745 {{T_SEQUENTIAL, T_REMOV, 746 "WANGTEK ", "SCSI-36", ""}, PQUIRK_NOLUNS}, 747 {{T_SEQUENTIAL, T_REMOV, 748 "WangDAT ", "Model 1300 ", "02.4"}, PQUIRK_NOSYNC|PQUIRK_NOWIDE}, 749 {{T_SEQUENTIAL, T_REMOV, 750 "WangDAT ", "Model 2600 ", "01.7"}, PQUIRK_NOSYNC|PQUIRK_NOWIDE}, 751 {{T_SEQUENTIAL, T_REMOV, 752 "WangDAT ", "Model 3200 ", "02.2"}, PQUIRK_NOSYNC|PQUIRK_NOWIDE}, 753 {{T_SEQUENTIAL, T_REMOV, 754 "TEAC ", "MT-2ST/N50 ", ""}, PQUIRK_NOLUNS}, 755 756 {{T_SCANNER, T_FIXED, 757 "RICOH ", "IS60 ", "1R08"}, PQUIRK_NOLUNS}, 758 {{T_SCANNER, T_FIXED, 759 "UMAX ", "Astra 1200S ", "V2.9"}, PQUIRK_NOLUNS}, 760 {{T_SCANNER, T_FIXED, 761 "UMAX ", "Astra 1220S ", ""}, PQUIRK_NOLUNS}, 762 {{T_SCANNER, T_FIXED, 763 "UMAX ", "UMAX S-6E ", "V2.0"}, PQUIRK_NOLUNS}, 764 {{T_SCANNER, T_FIXED, 765 "UMAX ", "UMAX S-12 ", "V2.1"}, PQUIRK_NOLUNS}, 766 {{T_SCANNER, T_FIXED, 767 "ULTIMA ", "A6000C ", ""}, PQUIRK_NOLUNS}, 768 {{T_PROCESSOR, T_FIXED, 769 "ESG-SHV", "SCA HSBP M15", ""}, PQUIRK_NOLUNS}, 770 {{T_PROCESSOR, T_FIXED, 771 "SYMBIOS", "", ""}, PQUIRK_NOLUNS}, 772 {{T_PROCESSOR, T_FIXED, 773 "LITRONIC", "PCMCIA ", ""}, PQUIRK_NOLUNS}, 774 {{T_CHANGER, T_REMOV, 775 "SONY ", "CDL1100 ", ""}, PQUIRK_NOLUNS}, 776 {{T_ENCLOSURE, T_FIXED, 777 "SUN ", "SENA ", ""}, PQUIRK_NOLUNS}, 778 }; 779 780 /* 781 * given a target and lun, ask the device what 782 * it is, and find the correct driver table 783 * entry. 784 */ 785 static int 786 scsi_probe_device(struct scsibus_softc *sc, int target, int lun) 787 { 788 struct scsipi_channel *chan = sc->sc_channel; 789 struct scsipi_periph *periph; 790 struct scsipi_inquiry_data inqbuf; 791 const struct scsi_quirk_inquiry_pattern *finger; 792 int checkdtype, priority, docontinue, quirks; 793 struct scsipibus_attach_args sa; 794 cfdata_t cf; 795 int locs[SCSIBUSCF_NLOCS]; 796 797 /* 798 * Assume no more luns to search after this one. 799 * If we successfully get Inquiry data and after 800 * merging quirks we find we can probe for more 801 * luns, we will. 802 */ 803 docontinue = 0; 804 805 /* Skip this slot if it is already attached. */ 806 if (scsipi_lookup_periph(chan, target, lun) != NULL) 807 return (docontinue); 808 809 periph = scsipi_alloc_periph(M_NOWAIT); 810 if (periph == NULL) { 811 #ifdef DIAGNOSTIC 812 aprint_error_dev(sc->sc_dev, 813 "cannot allocate periph for target %d lun %d\n", 814 target, lun); 815 #endif 816 return (ENOMEM); 817 } 818 periph->periph_channel = chan; 819 periph->periph_switch = &scsi_probe_dev; 820 821 periph->periph_target = target; 822 periph->periph_lun = lun; 823 periph->periph_quirks = chan->chan_defquirks; 824 825 #ifdef SCSIPI_DEBUG 826 if (SCSIPI_DEBUG_TYPE == SCSIPI_BUSTYPE_SCSI && 827 SCSIPI_DEBUG_TARGET == target && 828 SCSIPI_DEBUG_LUN == lun) 829 periph->periph_dbflags |= SCSIPI_DEBUG_FLAGS; 830 #endif 831 832 /* 833 * Ask the device what it is 834 */ 835 836 #ifdef SCSI_2_DEF 837 /* some devices need to be told to go to SCSI2 */ 838 /* However some just explode if you tell them this.. leave it out */ 839 scsi_change_def(periph, XS_CTL_DISCOVERY | XS_CTL_SILENT); 840 #endif /* SCSI_2_DEF */ 841 842 /* Now go ask the device all about itself. */ 843 memset(&inqbuf, 0, sizeof(inqbuf)); 844 { 845 u_int8_t *extension = &inqbuf.flags1; 846 int len = 0; 847 while (len < 3) 848 extension[len++] = '\0'; 849 while (len < 3 + 28) 850 extension[len++] = ' '; 851 while (len < 3 + 28 + 20) 852 extension[len++] = '\0'; 853 while (len < 3 + 28 + 20 + 1) 854 extension[len++] = '\0'; 855 while (len < 3 + 28 + 20 + 1 + 1) 856 extension[len++] = '\0'; 857 while (len < 3 + 28 + 20 + 1 + 1 + (8*2)) 858 extension[len++] = ' '; 859 } 860 if (scsipi_inquire(periph, &inqbuf, XS_CTL_DISCOVERY | XS_CTL_SILENT)) 861 goto bad; 862 863 periph->periph_type = inqbuf.device & SID_TYPE; 864 if (inqbuf.dev_qual2 & SID_REMOVABLE) 865 periph->periph_flags |= PERIPH_REMOVABLE; 866 periph->periph_version = inqbuf.version & SID_ANSII; 867 868 /* 869 * Any device qualifier that has the top bit set (qualifier&4 != 0) 870 * is vendor specific and won't match in this switch. 871 * All we do here is throw out bad/negative responses. 872 */ 873 checkdtype = 0; 874 switch (inqbuf.device & SID_QUAL) { 875 case SID_QUAL_LU_PRESENT: 876 checkdtype = 1; 877 break; 878 879 case SID_QUAL_LU_NOTPRESENT: 880 case SID_QUAL_reserved: 881 case SID_QUAL_LU_NOT_SUPP: 882 goto bad; 883 884 default: 885 break; 886 } 887 888 /* Let the adapter driver handle the device separatley if it wants. */ 889 if (chan->chan_adapter->adapt_accesschk != NULL && 890 (*chan->chan_adapter->adapt_accesschk)(periph, &sa.sa_inqbuf)) 891 goto bad; 892 893 if (checkdtype) { 894 switch (periph->periph_type) { 895 case T_DIRECT: 896 case T_SEQUENTIAL: 897 case T_PRINTER: 898 case T_PROCESSOR: 899 case T_WORM: 900 case T_CDROM: 901 case T_SCANNER: 902 case T_OPTICAL: 903 case T_CHANGER: 904 case T_COMM: 905 case T_IT8_1: 906 case T_IT8_2: 907 case T_STORARRAY: 908 case T_ENCLOSURE: 909 case T_SIMPLE_DIRECT: 910 case T_OPTIC_CARD_RW: 911 case T_OBJECT_STORED: 912 default: 913 break; 914 case T_NODEVICE: 915 goto bad; 916 } 917 } 918 919 sa.sa_periph = periph; 920 sa.sa_inqbuf.type = inqbuf.device; 921 sa.sa_inqbuf.removable = inqbuf.dev_qual2 & SID_REMOVABLE ? 922 T_REMOV : T_FIXED; 923 sa.sa_inqbuf.vendor = inqbuf.vendor; 924 sa.sa_inqbuf.product = inqbuf.product; 925 sa.sa_inqbuf.revision = inqbuf.revision; 926 sa.scsipi_info.scsi_version = inqbuf.version; 927 sa.sa_inqptr = &inqbuf; 928 929 finger = scsipi_inqmatch( 930 &sa.sa_inqbuf, scsi_quirk_patterns, 931 sizeof(scsi_quirk_patterns)/sizeof(scsi_quirk_patterns[0]), 932 sizeof(scsi_quirk_patterns[0]), &priority); 933 934 if (finger != NULL) 935 quirks = finger->quirks; 936 else 937 quirks = 0; 938 939 /* 940 * Determine the operating mode capabilities of the device. 941 */ 942 if (periph->periph_version >= 2) { 943 if ((inqbuf.flags3 & SID_CmdQue) != 0 && 944 (quirks & PQUIRK_NOTAG) == 0) 945 periph->periph_cap |= PERIPH_CAP_TQING; 946 if ((inqbuf.flags3 & SID_Linked) != 0) 947 periph->periph_cap |= PERIPH_CAP_LINKCMDS; 948 if ((inqbuf.flags3 & SID_Sync) != 0 && 949 (quirks & PQUIRK_NOSYNC) == 0) 950 periph->periph_cap |= PERIPH_CAP_SYNC; 951 if ((inqbuf.flags3 & SID_WBus16) != 0 && 952 (quirks & PQUIRK_NOWIDE) == 0) 953 periph->periph_cap |= PERIPH_CAP_WIDE16; 954 if ((inqbuf.flags3 & SID_WBus32) != 0 && 955 (quirks & PQUIRK_NOWIDE) == 0) 956 periph->periph_cap |= PERIPH_CAP_WIDE32; 957 if ((inqbuf.flags3 & SID_SftRe) != 0) 958 periph->periph_cap |= PERIPH_CAP_SFTRESET; 959 if ((inqbuf.flags3 & SID_RelAdr) != 0) 960 periph->periph_cap |= PERIPH_CAP_RELADR; 961 /* SPC-2 */ 962 if (periph->periph_version >= 3 && 963 !(quirks & PQUIRK_CAP_NODT)){ 964 /* 965 * Report ST clocking though CAP_WIDExx/CAP_SYNC. 966 * If the device only supports DT, clear these 967 * flags (DT implies SYNC and WIDE) 968 */ 969 switch (inqbuf.flags4 & SID_Clocking) { 970 case SID_CLOCKING_DT_ONLY: 971 periph->periph_cap &= 972 ~(PERIPH_CAP_SYNC | 973 PERIPH_CAP_WIDE16 | 974 PERIPH_CAP_WIDE32); 975 /* FALLTHROUGH */ 976 case SID_CLOCKING_SD_DT: 977 periph->periph_cap |= PERIPH_CAP_DT; 978 break; 979 default: /* ST only or invalid */ 980 /* nothing to do */ 981 break; 982 } 983 } 984 if (periph->periph_version >= 3) { 985 if (inqbuf.flags4 & SID_IUS) 986 periph->periph_cap |= PERIPH_CAP_IUS; 987 if (inqbuf.flags4 & SID_QAS) 988 periph->periph_cap |= PERIPH_CAP_QAS; 989 } 990 } 991 if (quirks & PQUIRK_CAP_SYNC) 992 periph->periph_cap |= PERIPH_CAP_SYNC; 993 if (quirks & PQUIRK_CAP_WIDE16) 994 periph->periph_cap |= PERIPH_CAP_WIDE16; 995 996 /* 997 * Now apply any quirks from the table. 998 */ 999 periph->periph_quirks |= quirks; 1000 if (periph->periph_version == 0 && 1001 (periph->periph_quirks & PQUIRK_FORCELUNS) == 0) 1002 periph->periph_quirks |= PQUIRK_NOLUNS; 1003 1004 if ((periph->periph_quirks & PQUIRK_NOLUNS) == 0) 1005 docontinue = 1; 1006 1007 locs[SCSIBUSCF_TARGET] = target; 1008 locs[SCSIBUSCF_LUN] = lun; 1009 1010 if ((cf = config_search_loc(config_stdsubmatch, sc->sc_dev, 1011 "scsibus", locs, &sa)) != NULL) { 1012 scsipi_insert_periph(chan, periph); 1013 /* 1014 * XXX Can't assign periph_dev here, because we'll 1015 * XXX need it before config_attach() returns. Must 1016 * XXX assign it in periph driver. 1017 */ 1018 config_attach_loc(sc->sc_dev, cf, locs, &sa, 1019 scsibusprint); 1020 } else { 1021 scsibusprint(&sa, device_xname(sc->sc_dev)); 1022 aprint_normal(" not configured\n"); 1023 goto bad; 1024 } 1025 1026 return (docontinue); 1027 1028 bad: 1029 scsipi_free_periph(periph); 1030 return (docontinue); 1031 } 1032 1033 /****** Entry points for user control of the SCSI bus. ******/ 1034 1035 static int 1036 scsibusopen(dev_t dev, int flag, int fmt, 1037 struct lwp *l) 1038 { 1039 struct scsibus_softc *sc; 1040 int error, unit = minor(dev); 1041 1042 sc = device_lookup_private(&scsibus_cd, unit); 1043 if (sc == NULL) 1044 return (ENXIO); 1045 1046 if (sc->sc_flags & SCSIBUSF_OPEN) 1047 return (EBUSY); 1048 1049 if ((error = scsipi_adapter_addref(sc->sc_channel->chan_adapter)) != 0) 1050 return (error); 1051 1052 sc->sc_flags |= SCSIBUSF_OPEN; 1053 1054 return (0); 1055 } 1056 1057 static int 1058 scsibusclose(dev_t dev, int flag, int fmt, 1059 struct lwp *l) 1060 { 1061 struct scsibus_softc *sc; 1062 1063 sc = device_lookup_private(&scsibus_cd, minor(dev)); 1064 scsipi_adapter_delref(sc->sc_channel->chan_adapter); 1065 1066 sc->sc_flags &= ~SCSIBUSF_OPEN; 1067 1068 return (0); 1069 } 1070 1071 static int 1072 scsibusioctl(dev_t dev, u_long cmd, void *addr, int flag, struct lwp *l) 1073 { 1074 struct scsibus_softc *sc; 1075 struct scsipi_channel *chan; 1076 int error; 1077 1078 sc = device_lookup_private(&scsibus_cd, minor(dev)); 1079 chan = sc->sc_channel; 1080 1081 /* 1082 * Enforce write permission for ioctls that change the 1083 * state of the bus. Host adapter specific ioctls must 1084 * be checked by the adapter driver. 1085 */ 1086 switch (cmd) { 1087 case SCBUSIOSCAN: 1088 case SCBUSIODETACH: 1089 case SCBUSIORESET: 1090 if ((flag & FWRITE) == 0) 1091 return (EBADF); 1092 } 1093 1094 switch (cmd) { 1095 case SCBUSIOSCAN: 1096 { 1097 struct scbusioscan_args *a = 1098 (struct scbusioscan_args *)addr; 1099 1100 error = scsi_probe_bus(sc, a->sa_target, a->sa_lun); 1101 break; 1102 } 1103 1104 case SCBUSIODETACH: 1105 { 1106 struct scbusiodetach_args *a = 1107 (struct scbusiodetach_args *)addr; 1108 1109 error = scsipi_target_detach(chan, a->sa_target, a->sa_lun, 0); 1110 break; 1111 } 1112 1113 1114 case SCBUSIORESET: 1115 /* FALLTHROUGH */ 1116 default: 1117 error = scsipi_adapter_ioctl(chan, cmd, addr, flag, l->l_proc); 1118 break; 1119 } 1120 1121 return (error); 1122 } 1123
Indexes created Fri Sep 26 20:09:58 GMT 2025