scsiconf.c revision 1.280
1 /* $NetBSD: scsiconf.c,v 1.280 2017/06/17 22:35:50 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 1.280 2017/06/17 22:35:50 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 NULL, "%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 kthread_exit(0); 287 } 288 289 static void 290 scsibus_config(struct scsibus_softc *sc) 291 { 292 struct scsipi_channel *chan = sc->sc_channel; 293 struct scsi_initq *scsi_initq; 294 295 #ifndef SCSI_DELAY 296 #define SCSI_DELAY 2 297 #endif 298 if ((chan->chan_flags & SCSIPI_CHAN_NOSETTLE) == 0 && 299 SCSI_DELAY > 0) { 300 aprint_normal_dev(sc->sc_dev, 301 "waiting %d seconds for devices to settle...\n", 302 SCSI_DELAY); 303 /* ...an identifier we know no one will use... */ 304 kpause("scsidly", false, SCSI_DELAY * hz, NULL); 305 } 306 307 /* Make sure the devices probe in scsibus order to avoid jitter. */ 308 mutex_enter(&scsibus_qlock); 309 for (;;) { 310 scsi_initq = TAILQ_FIRST(&scsi_initq_head); 311 if (scsi_initq->sc_channel == chan) 312 break; 313 cv_wait(&scsibus_qcv, &scsibus_qlock); 314 } 315 mutex_exit(&scsibus_qlock); 316 317 scsi_probe_bus(sc, -1, -1); 318 319 mutex_enter(&scsibus_qlock); 320 TAILQ_REMOVE(&scsi_initq_head, scsi_initq, scsi_initq); 321 cv_broadcast(&scsibus_qcv); 322 mutex_exit(&scsibus_qlock); 323 324 free(scsi_initq, M_DEVBUF); 325 326 scsipi_adapter_delref(chan->chan_adapter); 327 328 config_pending_decr(sc->sc_dev); 329 } 330 331 static int 332 scsibusdetach(device_t self, int flags) 333 { 334 struct scsibus_softc *sc = device_private(self); 335 struct scsipi_channel *chan = sc->sc_channel; 336 int error; 337 338 /* 339 * Detach all of the periphs. 340 */ 341 error = scsipi_target_detach(chan, -1, -1, flags); 342 if (error) 343 return error; 344 345 pmf_device_deregister(self); 346 347 /* 348 * Shut down the channel. 349 */ 350 scsipi_channel_shutdown(chan); 351 352 cv_destroy(&chan->chan_cv_xs); 353 cv_destroy(&chan->chan_cv_comp); 354 cv_destroy(&chan->chan_cv_thr); 355 356 if (atomic_dec_uint_nv(&chan_running(chan)) == 0) 357 mutex_destroy(chan_mtx(chan)); 358 359 return 0; 360 } 361 362 /* 363 * Probe the requested scsi bus. It must be already set up. 364 * target and lun optionally narrow the search if not -1 365 */ 366 int 367 scsi_probe_bus(struct scsibus_softc *sc, int target, int lun) 368 { 369 struct scsipi_channel *chan = sc->sc_channel; 370 int maxtarget, mintarget, maxlun, minlun; 371 int error; 372 373 if (target == -1) { 374 maxtarget = chan->chan_ntargets - 1; 375 mintarget = 0; 376 } else { 377 if (target < 0 || target >= chan->chan_ntargets) 378 return (EINVAL); 379 maxtarget = mintarget = target; 380 } 381 382 if (lun == -1) { 383 maxlun = chan->chan_nluns - 1; 384 minlun = 0; 385 } else { 386 if (lun < 0 || lun >= chan->chan_nluns) 387 return (EINVAL); 388 maxlun = minlun = lun; 389 } 390 391 /* 392 * Some HBAs provide an abstracted view of the bus; give them an 393 * oppertunity to re-scan it before we do. 394 */ 395 scsipi_adapter_ioctl(chan, SCBUSIOLLSCAN, NULL, 0, curproc); 396 397 if ((error = scsipi_adapter_addref(chan->chan_adapter)) != 0) 398 goto ret; 399 for (target = mintarget; target <= maxtarget; target++) { 400 if (target == chan->chan_id) 401 continue; 402 for (lun = minlun; lun <= maxlun; lun++) { 403 /* 404 * See if there's a device present, and configure it. 405 */ 406 if (scsi_probe_device(sc, target, lun) == 0) 407 break; 408 /* otherwise something says we should look further */ 409 } 410 411 /* 412 * Now that we've discovered all of the LUNs on this 413 * I_T Nexus, update the xfer mode for all of them 414 * that we know about. 415 */ 416 scsipi_set_xfer_mode(chan, target, 1); 417 } 418 scsipi_adapter_delref(chan->chan_adapter); 419 ret: 420 return (error); 421 } 422 423 static int 424 scsibusrescan(device_t sc, const char *ifattr, 425 const int *locators) 426 { 427 428 KASSERT(ifattr && !strcmp(ifattr, "scsibus")); 429 KASSERT(locators); 430 431 return (scsi_probe_bus(device_private(sc), 432 locators[SCSIBUSCF_TARGET], locators[SCSIBUSCF_LUN])); 433 } 434 435 static void 436 scsidevdetached(device_t self, device_t child) 437 { 438 struct scsibus_softc *sc = device_private(self); 439 struct scsipi_channel *chan = sc->sc_channel; 440 struct scsipi_periph *periph; 441 int target, lun; 442 443 target = device_locator(child, SCSIBUSCF_TARGET); 444 lun = device_locator(child, SCSIBUSCF_LUN); 445 446 mutex_enter(chan_mtx(chan)); 447 448 periph = scsipi_lookup_periph_locked(chan, target, lun); 449 KASSERT(periph != NULL && periph->periph_dev == child); 450 451 scsipi_remove_periph(chan, periph); 452 scsipi_free_periph(periph); 453 454 mutex_exit(chan_mtx(chan)); 455 } 456 457 /* 458 * Print out autoconfiguration information for a subdevice. 459 * 460 * This is a slight abuse of 'standard' autoconfiguration semantics, 461 * because 'print' functions don't normally print the colon and 462 * device information. However, in this case that's better than 463 * either printing redundant information before the attach message, 464 * or having the device driver call a special function to print out 465 * the standard device information. 466 */ 467 static int 468 scsibusprint(void *aux, const char *pnp) 469 { 470 struct scsipibus_attach_args *sa = aux; 471 struct scsipi_inquiry_pattern *inqbuf; 472 u_int8_t type; 473 const char *dtype; 474 char vendor[33], product[65], revision[17]; 475 int target, lun; 476 477 if (pnp != NULL) 478 aprint_normal("%s", pnp); 479 480 inqbuf = &sa->sa_inqbuf; 481 482 target = sa->sa_periph->periph_target; 483 lun = sa->sa_periph->periph_lun; 484 type = inqbuf->type & SID_TYPE; 485 486 dtype = scsipi_dtype(type); 487 488 strnvisx(vendor, sizeof(vendor), inqbuf->vendor, 8, 489 VIS_TRIM|VIS_SAFE|VIS_OCTAL); 490 strnvisx(product, sizeof(product), inqbuf->product, 16, 491 VIS_TRIM|VIS_SAFE|VIS_OCTAL); 492 strnvisx(revision, sizeof(revision), inqbuf->revision, 4, 493 VIS_TRIM|VIS_SAFE|VIS_OCTAL); 494 495 aprint_normal(" target %d lun %d: <%s, %s, %s> %s %s", 496 target, lun, vendor, product, revision, dtype, 497 inqbuf->removable ? "removable" : "fixed"); 498 499 return (UNCONF); 500 } 501 502 static const struct scsi_quirk_inquiry_pattern scsi_quirk_patterns[] = { 503 {{T_DIRECT, T_REMOV, 504 "Apple ", "iPod ", ""}, PQUIRK_START}, 505 {{T_CDROM, T_REMOV, 506 "CHINON ", "CD-ROM CDS-431 ", ""}, PQUIRK_NOLUNS}, 507 {{T_CDROM, T_REMOV, 508 "CHINON ", "CD-ROM CDS-435 ", ""}, PQUIRK_NOLUNS}, 509 {{T_CDROM, T_REMOV, 510 "Chinon ", "CD-ROM CDS-525 ", ""}, PQUIRK_NOLUNS}, 511 {{T_CDROM, T_REMOV, 512 "CHINON ", "CD-ROM CDS-535 ", ""}, PQUIRK_NOLUNS}, 513 {{T_CDROM, T_REMOV, 514 "DEC ", "RRD42 (C) DEC ", ""}, PQUIRK_NOLUNS}, 515 {{T_CDROM, T_REMOV, 516 "DENON ", "DRD-25X ", "V"}, PQUIRK_NOLUNS}, 517 {{T_CDROM, T_REMOV, 518 "GENERIC ", "CRD-BP2 ", ""}, PQUIRK_NOLUNS}, 519 {{T_CDROM, T_REMOV, 520 "HP ", "C4324/C4325 ", ""}, PQUIRK_NOLUNS}, 521 {{T_CDROM, T_REMOV, 522 "IMS ", "CDD521/10 ", "2.06"}, PQUIRK_NOLUNS}, 523 {{T_CDROM, T_REMOV, 524 "MATSHITA", "CD-ROM CR-5XX ", "1.0b"}, PQUIRK_NOLUNS}, 525 {{T_CDROM, T_REMOV, 526 "MEDAVIS ", "RENO CD-ROMX2A ", ""}, PQUIRK_NOLUNS}, 527 {{T_CDROM, T_REMOV, 528 "MEDIAVIS", "CDR-H93MV ", "1.3"}, PQUIRK_NOLUNS}, 529 {{T_CDROM, T_REMOV, 530 "NEC ", "CD-ROM DRIVE:502", ""}, PQUIRK_NOLUNS}, 531 {{T_CDROM, T_REMOV, 532 "NEC ", "CD-ROM DRIVE:55 ", ""}, PQUIRK_NOLUNS}, 533 {{T_CDROM, T_REMOV, 534 "NEC ", "CD-ROM DRIVE:83 ", ""}, PQUIRK_NOLUNS}, 535 {{T_CDROM, T_REMOV, 536 "NEC ", "CD-ROM DRIVE:84 ", ""}, PQUIRK_NOLUNS}, 537 {{T_CDROM, T_REMOV, 538 "NEC ", "CD-ROM DRIVE:841", ""}, PQUIRK_NOLUNS}, 539 {{T_CDROM, T_REMOV, 540 "OLYMPUS ", "CDS620E ", "1.1d"}, 541 PQUIRK_NOLUNS|PQUIRK_NOSYNC|PQUIRK_NOCAPACITY}, 542 {{T_CDROM, T_REMOV, 543 "PIONEER ", "CD-ROM DR-124X ", "1.01"}, PQUIRK_NOLUNS}, 544 {{T_CDROM, T_REMOV, 545 "PLEXTOR ", "CD-ROM PX-4XCS ", "1.01"}, 546 PQUIRK_NOLUNS|PQUIRK_NOSYNC}, 547 {{T_CDROM, T_REMOV, 548 "SONY ", "CD-ROM CDU-541 ", ""}, PQUIRK_NOLUNS}, 549 {{T_CDROM, T_REMOV, 550 "SONY ", "CD-ROM CDU-55S ", ""}, PQUIRK_NOLUNS}, 551 {{T_CDROM, T_REMOV, 552 "SONY ", "CD-ROM CDU-561 ", ""}, PQUIRK_NOLUNS}, 553 {{T_CDROM, T_REMOV, 554 "SONY ", "CD-ROM CDU-76S", ""}, 555 PQUIRK_NOLUNS|PQUIRK_NOSYNC|PQUIRK_NOWIDE}, 556 {{T_CDROM, T_REMOV, 557 "SONY ", "CD-ROM CDU-8003A", ""}, PQUIRK_NOLUNS}, 558 {{T_CDROM, T_REMOV, 559 "SONY ", "CD-ROM CDU-8012 ", ""}, PQUIRK_NOLUNS}, 560 {{T_CDROM, T_REMOV, 561 "TEAC ", "CD-ROM ", "1.06"}, PQUIRK_NOLUNS}, 562 {{T_CDROM, T_REMOV, 563 "TEAC ", "CD-ROM CD-56S ", "1.0B"}, PQUIRK_NOLUNS}, 564 {{T_CDROM, T_REMOV, 565 "TEXEL ", "CD-ROM ", "1.06"}, PQUIRK_NOLUNS}, 566 {{T_CDROM, T_REMOV, 567 "TEXEL ", "CD-ROM DM-XX24 K", "1.09"}, PQUIRK_NOLUNS}, 568 {{T_CDROM, T_REMOV, 569 "TEXEL ", "CD-ROM DM-XX24 K", "1.10"}, PQUIRK_NOLUNS}, 570 {{T_CDROM, T_REMOV, 571 "TOSHIBA ", "XM-4101TASUNSLCD", ""}, PQUIRK_NOLUNS|PQUIRK_NOSYNC}, 572 /* "IBM CDRM00201 !F" 0724 is an IBM OEM Toshiba XM-4101BME */ 573 {{T_CDROM, T_REMOV, 574 "IBM ", "CDRM00201 !F", "0724"}, PQUIRK_NOLUNS|PQUIRK_NOSYNC}, 575 {{T_CDROM, T_REMOV, 576 "ShinaKen", "CD-ROM DM-3x1S", "1.04"}, PQUIRK_NOLUNS}, 577 {{T_CDROM, T_REMOV, 578 "JVC ", "R2626", ""}, PQUIRK_NOLUNS}, 579 {{T_CDROM, T_REMOV, 580 "YAMAHA", "CRW8424S", ""}, PQUIRK_NOLUNS}, 581 {{T_CDROM, T_REMOV, 582 "NEC ", "CD-ROM DRIVE:222", ""}, PQUIRK_NOLUNS|PQUIRK_NOSYNC}, 583 584 {{T_DIRECT, T_FIXED, 585 "MICROP ", "1588-15MBSUN0669", ""}, PQUIRK_AUTOSAVE}, 586 {{T_DIRECT, T_FIXED, 587 "MICROP ", "2217-15MQ1091501", ""}, PQUIRK_NOSYNCCACHE}, 588 {{T_OPTICAL, T_REMOV, 589 "EPSON ", "OMD-5010 ", "3.08"}, PQUIRK_NOLUNS}, 590 {{T_DIRECT, T_FIXED, 591 "ADAPTEC ", "AEC-4412BD", "1.2A"}, PQUIRK_NOMODESENSE}, 592 {{T_DIRECT, T_FIXED, 593 "ADAPTEC ", "ACB-4000", ""}, PQUIRK_FORCELUNS|PQUIRK_AUTOSAVE|PQUIRK_NOMODESENSE}, 594 {{T_DIRECT, T_FIXED, 595 "DEC ", "RZ55 (C) DEC", ""}, PQUIRK_AUTOSAVE}, 596 {{T_DIRECT, T_FIXED, 597 "EMULEX ", "MD21/S2 ESDI", "A00"}, 598 PQUIRK_FORCELUNS|PQUIRK_AUTOSAVE}, 599 {{T_DIRECT, T_FIXED, 600 "MICROP", "1548-15MZ1077801", "HZ2P"}, PQUIRK_NOTAG}, 601 {{T_DIRECT, T_FIXED, 602 "HP ", "C372", ""}, PQUIRK_NOTAG}, 603 {{T_DIRECT, T_FIXED, 604 "IBMRAID ", "0662S", ""}, PQUIRK_AUTOSAVE}, 605 {{T_DIRECT, T_FIXED, 606 "IBM ", "0663H", ""}, PQUIRK_AUTOSAVE}, 607 {{T_DIRECT, T_FIXED, 608 "IBM", "0664", ""}, PQUIRK_AUTOSAVE}, 609 {{T_DIRECT, T_FIXED, 610 /* improperly report DT-only sync mode */ 611 "IBM ", "DXHS36D", ""}, 612 PQUIRK_CAP_SYNC|PQUIRK_CAP_WIDE16}, 613 {{T_DIRECT, T_FIXED, 614 "IBM ", "DXHS18Y", ""}, 615 PQUIRK_CAP_SYNC|PQUIRK_CAP_WIDE16}, 616 {{T_DIRECT, T_FIXED, 617 "IBM ", "H3171-S2", ""}, 618 PQUIRK_NOLUNS|PQUIRK_AUTOSAVE}, 619 {{T_DIRECT, T_FIXED, 620 "IBM ", "KZ-C", ""}, PQUIRK_AUTOSAVE}, 621 /* Broken IBM disk */ 622 {{T_DIRECT, T_FIXED, 623 "" , "DFRSS2F", ""}, PQUIRK_AUTOSAVE}, 624 {{T_DIRECT, T_FIXED, 625 "Initio ", "", ""}, PQUIRK_NOBIGMODESENSE}, 626 {{T_DIRECT, T_REMOV, 627 "MPL ", "MC-DISK- ", ""}, PQUIRK_NOLUNS}, 628 {{T_DIRECT, T_FIXED, 629 "MAXTOR ", "XT-3280 ", ""}, PQUIRK_NOLUNS}, 630 {{T_DIRECT, T_FIXED, 631 "MAXTOR ", "XT-4380S ", ""}, PQUIRK_NOLUNS}, 632 {{T_DIRECT, T_FIXED, 633 "MAXTOR ", "MXT-1240S ", ""}, PQUIRK_NOLUNS}, 634 {{T_DIRECT, T_FIXED, 635 "MAXTOR ", "XT-4170S ", ""}, PQUIRK_NOLUNS}, 636 {{T_DIRECT, T_FIXED, 637 "MAXTOR ", "XT-8760S", ""}, PQUIRK_NOLUNS}, 638 {{T_DIRECT, T_FIXED, 639 "MAXTOR ", "LXT-213S ", ""}, PQUIRK_NOLUNS}, 640 {{T_DIRECT, T_FIXED, 641 "MAXTOR ", "LXT-213S SUN0207", ""}, PQUIRK_NOLUNS}, 642 {{T_DIRECT, T_FIXED, 643 "MAXTOR ", "LXT-200S ", ""}, PQUIRK_NOLUNS}, 644 {{T_DIRECT, T_FIXED, 645 "MEGADRV ", "EV1000", ""}, PQUIRK_NOMODESENSE}, 646 {{T_DIRECT, T_FIXED, 647 "MICROP", "1991-27MZ", ""}, PQUIRK_NOTAG}, 648 {{T_DIRECT, T_FIXED, 649 "MST ", "SnapLink ", ""}, PQUIRK_NOLUNS}, 650 {{T_DIRECT, T_FIXED, 651 "NEC ", "D3847 ", "0307"}, PQUIRK_NOLUNS}, 652 {{T_DIRECT, T_FIXED, 653 "QUANTUM ", "ELS85S ", ""}, PQUIRK_AUTOSAVE}, 654 {{T_DIRECT, T_FIXED, 655 "QUANTUM ", "LPS525S ", ""}, PQUIRK_NOLUNS}, 656 {{T_DIRECT, T_FIXED, 657 "QUANTUM ", "P105S 910-10-94x", ""}, PQUIRK_NOLUNS}, 658 {{T_DIRECT, T_FIXED, 659 "QUANTUM ", "PD1225S ", ""}, PQUIRK_NOLUNS}, 660 {{T_DIRECT, T_FIXED, 661 "QUANTUM ", "PD210S SUN0207", ""}, PQUIRK_NOLUNS}, 662 {{T_DIRECT, T_FIXED, 663 "QUANTUM ", "ATLAS IV 9 WLS", "0A0A"}, PQUIRK_CAP_NODT}, 664 {{T_DIRECT, T_FIXED, 665 "RODIME ", "RO3000S ", ""}, PQUIRK_NOLUNS}, 666 {{T_DIRECT, T_FIXED, 667 "SEAGATE ", "ST125N ", ""}, PQUIRK_NOLUNS}, 668 {{T_DIRECT, T_FIXED, 669 "SEAGATE ", "ST157N ", ""}, PQUIRK_NOLUNS}, 670 {{T_DIRECT, T_FIXED, 671 "SEAGATE ", "ST296 ", ""}, PQUIRK_NOLUNS}, 672 {{T_DIRECT, T_FIXED, 673 "SEAGATE ", "ST296N ", ""}, PQUIRK_NOLUNS}, 674 {{T_DIRECT, T_FIXED, 675 "SEAGATE ", "ST318404LC ", ""}, PQUIRK_NOLUNS}, 676 {{T_DIRECT, T_FIXED, 677 "SEAGATE ", "ST39236LC ", ""}, PQUIRK_NOLUNS}, 678 {{T_DIRECT, T_FIXED, 679 "SEAGATE ", "ST15150N ", ""}, PQUIRK_NOTAG}, 680 {{T_DIRECT, T_FIXED, 681 "SEAGATE ", "ST19171", ""}, PQUIRK_NOMODESENSE}, 682 {{T_DIRECT, T_FIXED, 683 "SEAGATE ", "ST32430N", ""}, PQUIRK_CAP_SYNC}, 684 {{T_DIRECT, T_FIXED, 685 "SEAGATE ", "ST34501FC ", ""}, PQUIRK_NOMODESENSE}, 686 {{T_DIRECT, T_FIXED, 687 "SEAGATE ", "SX910800N", ""}, PQUIRK_NOTAG}, 688 {{T_DIRECT, T_FIXED, 689 "TOSHIBA ", "MK538FB ", "6027"}, PQUIRK_NOLUNS}, 690 {{T_DIRECT, T_FIXED, 691 "MICROP ", "1924", ""}, PQUIRK_CAP_SYNC}, 692 {{T_DIRECT, T_FIXED, 693 "FUJITSU ", "M2266", ""}, PQUIRK_CAP_SYNC}, 694 {{T_DIRECT, T_FIXED, 695 "FUJITSU ", "M2624S-512 ", ""}, PQUIRK_CAP_SYNC}, 696 {{T_DIRECT, T_FIXED, 697 "SEAGATE ", "SX336704LC" , ""}, PQUIRK_CAP_SYNC | PQUIRK_CAP_WIDE16}, 698 {{T_DIRECT, T_FIXED, 699 "SEAGATE ", "SX173404LC", ""}, PQUIRK_CAP_SYNC | PQUIRK_CAP_WIDE16}, 700 701 {{T_DIRECT, T_REMOV, 702 "IOMEGA", "ZIP 100", "J.03"}, PQUIRK_NOLUNS|PQUIRK_NOSYNC}, 703 {{T_DIRECT, T_REMOV, 704 "INSITE", "I325VM", ""}, PQUIRK_NOLUNS}, 705 706 /* XXX: QIC-36 tape behind Emulex adapter. Very broken. */ 707 {{T_SEQUENTIAL, T_REMOV, 708 " ", " ", " "}, PQUIRK_NOLUNS}, 709 {{T_SEQUENTIAL, T_REMOV, 710 "EMULEX ", "MT-02 QIC ", ""}, PQUIRK_NOLUNS}, 711 {{T_SEQUENTIAL, T_REMOV, 712 "CALIPER ", "CP150 ", ""}, PQUIRK_NOLUNS}, 713 {{T_SEQUENTIAL, T_REMOV, 714 "EXABYTE ", "EXB-8200 ", ""}, PQUIRK_NOLUNS}, 715 {{T_SEQUENTIAL, T_REMOV, 716 "SONY ", "GY-10C ", ""}, PQUIRK_NOLUNS}, 717 {{T_SEQUENTIAL, T_REMOV, 718 "SONY ", "SDT-2000 ", "2.09"}, PQUIRK_NOLUNS}, 719 {{T_SEQUENTIAL, T_REMOV, 720 "SONY ", "SDT-5000 ", "3."}, PQUIRK_NOSYNC|PQUIRK_NOWIDE}, 721 {{T_SEQUENTIAL, T_REMOV, 722 "SONY ", "SDT-5200 ", "3."}, PQUIRK_NOLUNS}, 723 {{T_SEQUENTIAL, T_REMOV, 724 "TANDBERG", " TDC 3600 ", ""}, PQUIRK_NOLUNS}, 725 /* Following entry reported as a Tandberg 3600; ref. PR1933 */ 726 {{T_SEQUENTIAL, T_REMOV, 727 "ARCHIVE ", "VIPER 150 21247", ""}, PQUIRK_NOLUNS}, 728 /* Following entry for a Cipher ST150S; ref. PR4171 */ 729 {{T_SEQUENTIAL, T_REMOV, 730 "ARCHIVE ", "VIPER 1500 21247", "2.2G"}, PQUIRK_NOLUNS}, 731 {{T_SEQUENTIAL, T_REMOV, 732 "ARCHIVE ", "Python 28454-XXX", ""}, PQUIRK_NOLUNS}, 733 {{T_SEQUENTIAL, T_REMOV, 734 "WANGTEK ", "5099ES SCSI", ""}, PQUIRK_NOLUNS}, 735 {{T_SEQUENTIAL, T_REMOV, 736 "WANGTEK ", "5150ES SCSI", ""}, PQUIRK_NOLUNS}, 737 {{T_SEQUENTIAL, T_REMOV, 738 "WANGTEK ", "SCSI-36", ""}, PQUIRK_NOLUNS}, 739 {{T_SEQUENTIAL, T_REMOV, 740 "WangDAT ", "Model 1300 ", "02.4"}, PQUIRK_NOSYNC|PQUIRK_NOWIDE}, 741 {{T_SEQUENTIAL, T_REMOV, 742 "WangDAT ", "Model 2600 ", "01.7"}, PQUIRK_NOSYNC|PQUIRK_NOWIDE}, 743 {{T_SEQUENTIAL, T_REMOV, 744 "WangDAT ", "Model 3200 ", "02.2"}, PQUIRK_NOSYNC|PQUIRK_NOWIDE}, 745 {{T_SEQUENTIAL, T_REMOV, 746 "TEAC ", "MT-2ST/N50 ", ""}, PQUIRK_NOLUNS}, 747 748 {{T_SCANNER, T_FIXED, 749 "RICOH ", "IS60 ", "1R08"}, PQUIRK_NOLUNS}, 750 {{T_SCANNER, T_FIXED, 751 "UMAX ", "Astra 1200S ", "V2.9"}, PQUIRK_NOLUNS}, 752 {{T_SCANNER, T_FIXED, 753 "UMAX ", "Astra 1220S ", ""}, PQUIRK_NOLUNS}, 754 {{T_SCANNER, T_FIXED, 755 "UMAX ", "UMAX S-6E ", "V2.0"}, PQUIRK_NOLUNS}, 756 {{T_SCANNER, T_FIXED, 757 "UMAX ", "UMAX S-12 ", "V2.1"}, PQUIRK_NOLUNS}, 758 {{T_SCANNER, T_FIXED, 759 "ULTIMA ", "A6000C ", ""}, PQUIRK_NOLUNS}, 760 {{T_PROCESSOR, T_FIXED, 761 "ESG-SHV", "SCA HSBP M15", ""}, PQUIRK_NOLUNS}, 762 {{T_PROCESSOR, T_FIXED, 763 "SYMBIOS", "", ""}, PQUIRK_NOLUNS}, 764 {{T_PROCESSOR, T_FIXED, 765 "LITRONIC", "PCMCIA ", ""}, PQUIRK_NOLUNS}, 766 {{T_CHANGER, T_REMOV, 767 "SONY ", "CDL1100 ", ""}, PQUIRK_NOLUNS}, 768 {{T_ENCLOSURE, T_FIXED, 769 "SUN ", "SENA ", ""}, PQUIRK_NOLUNS}, 770 }; 771 772 /* 773 * given a target and lun, ask the device what 774 * it is, and find the correct driver table 775 * entry. 776 */ 777 static int 778 scsi_probe_device(struct scsibus_softc *sc, int target, int lun) 779 { 780 struct scsipi_channel *chan = sc->sc_channel; 781 struct scsipi_periph *periph; 782 struct scsipi_inquiry_data inqbuf; 783 const struct scsi_quirk_inquiry_pattern *finger; 784 int checkdtype, priority, docontinue, quirks; 785 struct scsipibus_attach_args sa; 786 cfdata_t cf; 787 int locs[SCSIBUSCF_NLOCS]; 788 789 /* 790 * Assume no more luns to search after this one. 791 * If we successfully get Inquiry data and after 792 * merging quirks we find we can probe for more 793 * luns, we will. 794 */ 795 docontinue = 0; 796 797 /* Skip this slot if it is already attached. */ 798 if (scsipi_lookup_periph(chan, target, lun) != NULL) 799 return (docontinue); 800 801 periph = scsipi_alloc_periph(M_NOWAIT); 802 if (periph == NULL) { 803 #ifdef DIAGNOSTIC 804 aprint_error_dev(sc->sc_dev, 805 "cannot allocate periph for target %d lun %d\n", 806 target, lun); 807 #endif 808 return (ENOMEM); 809 } 810 periph->periph_channel = chan; 811 periph->periph_switch = &scsi_probe_dev; 812 813 periph->periph_target = target; 814 periph->periph_lun = lun; 815 periph->periph_quirks = chan->chan_defquirks; 816 817 #ifdef SCSIPI_DEBUG 818 if (SCSIPI_DEBUG_TYPE == SCSIPI_BUSTYPE_SCSI && 819 SCSIPI_DEBUG_TARGET == target && 820 SCSIPI_DEBUG_LUN == lun) 821 periph->periph_dbflags |= SCSIPI_DEBUG_FLAGS; 822 #endif 823 824 /* 825 * Ask the device what it is 826 */ 827 828 #ifdef SCSI_2_DEF 829 /* some devices need to be told to go to SCSI2 */ 830 /* However some just explode if you tell them this.. leave it out */ 831 scsi_change_def(periph, XS_CTL_DISCOVERY | XS_CTL_SILENT); 832 #endif /* SCSI_2_DEF */ 833 834 /* Now go ask the device all about itself. */ 835 memset(&inqbuf, 0, sizeof(inqbuf)); 836 { 837 u_int8_t *extension = &inqbuf.flags1; 838 int len = 0; 839 while (len < 3) 840 extension[len++] = '\0'; 841 while (len < 3 + 28) 842 extension[len++] = ' '; 843 while (len < 3 + 28 + 20) 844 extension[len++] = '\0'; 845 while (len < 3 + 28 + 20 + 1) 846 extension[len++] = '\0'; 847 while (len < 3 + 28 + 20 + 1 + 1) 848 extension[len++] = '\0'; 849 while (len < 3 + 28 + 20 + 1 + 1 + (8*2)) 850 extension[len++] = ' '; 851 } 852 if (scsipi_inquire(periph, &inqbuf, XS_CTL_DISCOVERY | XS_CTL_SILENT)) 853 goto bad; 854 855 periph->periph_type = inqbuf.device & SID_TYPE; 856 if (inqbuf.dev_qual2 & SID_REMOVABLE) 857 periph->periph_flags |= PERIPH_REMOVABLE; 858 periph->periph_version = inqbuf.version & SID_ANSII; 859 860 /* 861 * Any device qualifier that has the top bit set (qualifier&4 != 0) 862 * is vendor specific and won't match in this switch. 863 * All we do here is throw out bad/negative responses. 864 */ 865 checkdtype = 0; 866 switch (inqbuf.device & SID_QUAL) { 867 case SID_QUAL_LU_PRESENT: 868 checkdtype = 1; 869 break; 870 871 case SID_QUAL_LU_NOTPRESENT: 872 case SID_QUAL_reserved: 873 case SID_QUAL_LU_NOT_SUPP: 874 goto bad; 875 876 default: 877 break; 878 } 879 880 /* Let the adapter driver handle the device separatley if it wants. */ 881 if (chan->chan_adapter->adapt_accesschk != NULL && 882 (*chan->chan_adapter->adapt_accesschk)(periph, &sa.sa_inqbuf)) 883 goto bad; 884 885 if (checkdtype) { 886 switch (periph->periph_type) { 887 case T_DIRECT: 888 case T_SEQUENTIAL: 889 case T_PRINTER: 890 case T_PROCESSOR: 891 case T_WORM: 892 case T_CDROM: 893 case T_SCANNER: 894 case T_OPTICAL: 895 case T_CHANGER: 896 case T_COMM: 897 case T_IT8_1: 898 case T_IT8_2: 899 case T_STORARRAY: 900 case T_ENCLOSURE: 901 case T_SIMPLE_DIRECT: 902 case T_OPTIC_CARD_RW: 903 case T_OBJECT_STORED: 904 default: 905 break; 906 case T_NODEVICE: 907 goto bad; 908 } 909 } 910 911 sa.sa_periph = periph; 912 sa.sa_inqbuf.type = inqbuf.device; 913 sa.sa_inqbuf.removable = inqbuf.dev_qual2 & SID_REMOVABLE ? 914 T_REMOV : T_FIXED; 915 sa.sa_inqbuf.vendor = inqbuf.vendor; 916 sa.sa_inqbuf.product = inqbuf.product; 917 sa.sa_inqbuf.revision = inqbuf.revision; 918 sa.scsipi_info.scsi_version = inqbuf.version; 919 sa.sa_inqptr = &inqbuf; 920 921 finger = scsipi_inqmatch( 922 &sa.sa_inqbuf, scsi_quirk_patterns, 923 sizeof(scsi_quirk_patterns)/sizeof(scsi_quirk_patterns[0]), 924 sizeof(scsi_quirk_patterns[0]), &priority); 925 926 if (finger != NULL) 927 quirks = finger->quirks; 928 else 929 quirks = 0; 930 931 /* 932 * Determine the operating mode capabilities of the device. 933 */ 934 if (periph->periph_version >= 2) { 935 if ((inqbuf.flags3 & SID_CmdQue) != 0 && 936 (quirks & PQUIRK_NOTAG) == 0) 937 periph->periph_cap |= PERIPH_CAP_TQING; 938 if ((inqbuf.flags3 & SID_Linked) != 0) 939 periph->periph_cap |= PERIPH_CAP_LINKCMDS; 940 if ((inqbuf.flags3 & SID_Sync) != 0 && 941 (quirks & PQUIRK_NOSYNC) == 0) 942 periph->periph_cap |= PERIPH_CAP_SYNC; 943 if ((inqbuf.flags3 & SID_WBus16) != 0 && 944 (quirks & PQUIRK_NOWIDE) == 0) 945 periph->periph_cap |= PERIPH_CAP_WIDE16; 946 if ((inqbuf.flags3 & SID_WBus32) != 0 && 947 (quirks & PQUIRK_NOWIDE) == 0) 948 periph->periph_cap |= PERIPH_CAP_WIDE32; 949 if ((inqbuf.flags3 & SID_SftRe) != 0) 950 periph->periph_cap |= PERIPH_CAP_SFTRESET; 951 if ((inqbuf.flags3 & SID_RelAdr) != 0) 952 periph->periph_cap |= PERIPH_CAP_RELADR; 953 /* SPC-2 */ 954 if (periph->periph_version >= 3 && 955 !(quirks & PQUIRK_CAP_NODT)){ 956 /* 957 * Report ST clocking though CAP_WIDExx/CAP_SYNC. 958 * If the device only supports DT, clear these 959 * flags (DT implies SYNC and WIDE) 960 */ 961 switch (inqbuf.flags4 & SID_Clocking) { 962 case SID_CLOCKING_DT_ONLY: 963 periph->periph_cap &= 964 ~(PERIPH_CAP_SYNC | 965 PERIPH_CAP_WIDE16 | 966 PERIPH_CAP_WIDE32); 967 /* FALLTHROUGH */ 968 case SID_CLOCKING_SD_DT: 969 periph->periph_cap |= PERIPH_CAP_DT; 970 break; 971 default: /* ST only or invalid */ 972 /* nothing to do */ 973 break; 974 } 975 } 976 if (periph->periph_version >= 3) { 977 if (inqbuf.flags4 & SID_IUS) 978 periph->periph_cap |= PERIPH_CAP_IUS; 979 if (inqbuf.flags4 & SID_QAS) 980 periph->periph_cap |= PERIPH_CAP_QAS; 981 } 982 } 983 if (quirks & PQUIRK_CAP_SYNC) 984 periph->periph_cap |= PERIPH_CAP_SYNC; 985 if (quirks & PQUIRK_CAP_WIDE16) 986 periph->periph_cap |= PERIPH_CAP_WIDE16; 987 988 /* 989 * Now apply any quirks from the table. 990 */ 991 periph->periph_quirks |= quirks; 992 if (periph->periph_version == 0 && 993 (periph->periph_quirks & PQUIRK_FORCELUNS) == 0) 994 periph->periph_quirks |= PQUIRK_NOLUNS; 995 996 if ((periph->periph_quirks & PQUIRK_NOLUNS) == 0) 997 docontinue = 1; 998 999 locs[SCSIBUSCF_TARGET] = target; 1000 locs[SCSIBUSCF_LUN] = lun; 1001 1002 if ((cf = config_search_loc(config_stdsubmatch, sc->sc_dev, 1003 "scsibus", locs, &sa)) != NULL) { 1004 scsipi_insert_periph(chan, periph); 1005 /* 1006 * XXX Can't assign periph_dev here, because we'll 1007 * XXX need it before config_attach() returns. Must 1008 * XXX assign it in periph driver. 1009 */ 1010 config_attach_loc(sc->sc_dev, cf, locs, &sa, 1011 scsibusprint); 1012 } else { 1013 scsibusprint(&sa, device_xname(sc->sc_dev)); 1014 aprint_normal(" not configured\n"); 1015 goto bad; 1016 } 1017 1018 return (docontinue); 1019 1020 bad: 1021 scsipi_free_periph(periph); 1022 return (docontinue); 1023 } 1024 1025 /****** Entry points for user control of the SCSI bus. ******/ 1026 1027 static int 1028 scsibusopen(dev_t dev, int flag, int fmt, 1029 struct lwp *l) 1030 { 1031 struct scsibus_softc *sc; 1032 int error, unit = minor(dev); 1033 1034 sc = device_lookup_private(&scsibus_cd, unit); 1035 if (sc == NULL) 1036 return (ENXIO); 1037 1038 if (sc->sc_flags & SCSIBUSF_OPEN) 1039 return (EBUSY); 1040 1041 if ((error = scsipi_adapter_addref(sc->sc_channel->chan_adapter)) != 0) 1042 return (error); 1043 1044 sc->sc_flags |= SCSIBUSF_OPEN; 1045 1046 return (0); 1047 } 1048 1049 static int 1050 scsibusclose(dev_t dev, int flag, int fmt, 1051 struct lwp *l) 1052 { 1053 struct scsibus_softc *sc; 1054 1055 sc = device_lookup_private(&scsibus_cd, minor(dev)); 1056 scsipi_adapter_delref(sc->sc_channel->chan_adapter); 1057 1058 sc->sc_flags &= ~SCSIBUSF_OPEN; 1059 1060 return (0); 1061 } 1062 1063 static int 1064 scsibusioctl(dev_t dev, u_long cmd, void *addr, int flag, struct lwp *l) 1065 { 1066 struct scsibus_softc *sc; 1067 struct scsipi_channel *chan; 1068 int error; 1069 1070 sc = device_lookup_private(&scsibus_cd, minor(dev)); 1071 chan = sc->sc_channel; 1072 1073 /* 1074 * Enforce write permission for ioctls that change the 1075 * state of the bus. Host adapter specific ioctls must 1076 * be checked by the adapter driver. 1077 */ 1078 switch (cmd) { 1079 case SCBUSIOSCAN: 1080 case SCBUSIODETACH: 1081 case SCBUSIORESET: 1082 if ((flag & FWRITE) == 0) 1083 return (EBADF); 1084 } 1085 1086 switch (cmd) { 1087 case SCBUSIOSCAN: 1088 { 1089 struct scbusioscan_args *a = 1090 (struct scbusioscan_args *)addr; 1091 1092 error = scsi_probe_bus(sc, a->sa_target, a->sa_lun); 1093 break; 1094 } 1095 1096 case SCBUSIODETACH: 1097 { 1098 struct scbusiodetach_args *a = 1099 (struct scbusiodetach_args *)addr; 1100 1101 error = scsipi_target_detach(chan, a->sa_target, a->sa_lun, 0); 1102 break; 1103 } 1104 1105 1106 case SCBUSIORESET: 1107 /* FALLTHROUGH */ 1108 default: 1109 error = scsipi_adapter_ioctl(chan, cmd, addr, flag, l->l_proc); 1110 break; 1111 } 1112 1113 return (error); 1114 } 1115
Indexes created Wed Sep 24 02:09:48 GMT 2025