scsiconf.c revision 1.262.10.3.2.1
1 /* $NetBSD: scsiconf.c,v 1.262.10.3.2.1 2012/11/01 16:45:02 matt 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 1.262.10.3.2.1 2012/11/01 16:45:02 matt 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 scsibusopen, scsibusclose, noread, nowrite, scsibusioctl, 110 nostop, notty, nopoll, nommap, nokqfilter, D_OTHER, 111 }; 112 113 static int scsibusprint(void *, const char *); 114 static void scsibus_config(struct scsipi_channel *, void *); 115 116 const struct scsipi_bustype scsi_bustype = { 117 SCSIPI_BUSTYPE_BUSTYPE(SCSIPI_BUSTYPE_SCSI, SCSIPI_BUSTYPE_SCSI_PSCSI), 118 scsi_scsipi_cmd, 119 scsipi_interpret_sense, 120 scsi_print_addr, 121 scsi_kill_pending, 122 }; 123 124 const struct scsipi_bustype scsi_fc_bustype = { 125 SCSIPI_BUSTYPE_BUSTYPE(SCSIPI_BUSTYPE_SCSI, SCSIPI_BUSTYPE_SCSI_FC), 126 scsi_scsipi_cmd, 127 scsipi_interpret_sense, 128 scsi_print_addr, 129 scsi_kill_pending, 130 }; 131 132 const struct scsipi_bustype scsi_sas_bustype = { 133 SCSIPI_BUSTYPE_BUSTYPE(SCSIPI_BUSTYPE_SCSI, SCSIPI_BUSTYPE_SCSI_SAS), 134 scsi_scsipi_cmd, 135 scsipi_interpret_sense, 136 scsi_print_addr, 137 scsi_kill_pending, 138 }; 139 140 const struct scsipi_bustype scsi_usb_bustype = { 141 SCSIPI_BUSTYPE_BUSTYPE(SCSIPI_BUSTYPE_SCSI, SCSIPI_BUSTYPE_SCSI_USB), 142 scsi_scsipi_cmd, 143 scsipi_interpret_sense, 144 scsi_print_addr, 145 scsi_kill_pending, 146 }; 147 148 static int 149 scsibus_init(void) 150 { 151 152 TAILQ_INIT(&scsi_initq_head); 153 mutex_init(&scsibus_qlock, MUTEX_DEFAULT, IPL_NONE); 154 cv_init(&scsibus_qcv, "scsinitq"); 155 return 0; 156 } 157 158 int 159 scsiprint(void *aux, const char *pnp) 160 { 161 struct scsipi_channel *chan = aux; 162 struct scsipi_adapter *adapt = chan->chan_adapter; 163 164 /* only "scsibus"es can attach to "scsi"s; easy. */ 165 if (pnp) 166 aprint_normal("scsibus at %s", pnp); 167 168 /* don't print channel if the controller says there can be only one. */ 169 if (adapt->adapt_nchannels != 1) 170 aprint_normal(" channel %d", chan->chan_channel); 171 172 return (UNCONF); 173 } 174 175 static int 176 scsibusmatch(device_t parent, cfdata_t cf, void *aux) 177 { 178 struct scsipi_channel *chan = aux; 179 180 if (SCSIPI_BUSTYPE_TYPE(chan->chan_bustype->bustype_type) != 181 SCSIPI_BUSTYPE_SCSI) 182 return 0; 183 184 if (cf->cf_loc[SCSICF_CHANNEL] != chan->chan_channel && 185 cf->cf_loc[SCSICF_CHANNEL] != SCSICF_CHANNEL_DEFAULT) 186 return (0); 187 188 return (1); 189 } 190 191 static void 192 scsibusattach(device_t parent, device_t self, void *aux) 193 { 194 struct scsibus_softc *sc = device_private(self); 195 struct scsipi_channel *chan = aux; 196 struct scsi_initq *scsi_initq; 197 198 if (!pmf_device_register(self, NULL, NULL)) 199 aprint_error_dev(self, "couldn't establish power handler\n"); 200 201 sc->sc_dev = self; 202 sc->sc_channel = chan; 203 chan->chan_name = device_xname(sc->sc_dev); 204 205 aprint_naive(": SCSI bus\n"); 206 aprint_normal(": %d target%s, %d lun%s per target\n", 207 chan->chan_ntargets, 208 chan->chan_ntargets == 1 ? "" : "s", 209 chan->chan_nluns, 210 chan->chan_nluns == 1 ? "" : "s"); 211 212 /* 213 * XXX 214 * newer adapters support more than 256 outstanding commands 215 * per periph and don't use the tag (they eventually allocate one 216 * internally). Right now scsipi always allocate a tag and 217 * is limited to 256 tags, per scsi specs. 218 * this should be revisited 219 */ 220 if (chan->chan_flags & SCSIPI_CHAN_OPENINGS) { 221 if (chan->chan_max_periph > 256) 222 chan->chan_max_periph = 256; 223 } else { 224 if (chan->chan_adapter->adapt_max_periph > 256) 225 chan->chan_adapter->adapt_max_periph = 256; 226 } 227 228 if (scsipi_adapter_addref(chan->chan_adapter)) 229 return; 230 231 RUN_ONCE(&scsi_conf_ctrl, scsibus_init); 232 233 /* Initialize the channel structure first */ 234 chan->chan_init_cb = scsibus_config; 235 chan->chan_init_cb_arg = sc; 236 237 scsi_initq = malloc(sizeof(struct scsi_initq), M_DEVBUF, M_WAITOK); 238 scsi_initq->sc_channel = chan; 239 TAILQ_INSERT_TAIL(&scsi_initq_head, scsi_initq, scsi_initq); 240 config_pending_incr(); 241 if (scsipi_channel_init(chan)) { 242 aprint_error_dev(sc->sc_dev, "failed to init channel\n"); 243 return; 244 } 245 } 246 247 static void 248 scsibus_config(struct scsipi_channel *chan, void *arg) 249 { 250 struct scsibus_softc *sc = arg; 251 struct scsi_initq *scsi_initq; 252 253 #ifndef SCSI_DELAY 254 #define SCSI_DELAY 2 255 #endif 256 if ((chan->chan_flags & SCSIPI_CHAN_NOSETTLE) == 0 && 257 SCSI_DELAY > 0) { 258 aprint_normal_dev(sc->sc_dev, 259 "waiting %d seconds for devices to settle...\n", 260 SCSI_DELAY); 261 /* ...an identifier we know no one will use... */ 262 (void) tsleep(scsibus_config, PRIBIO, 263 "scsidly", SCSI_DELAY * hz); 264 } 265 266 /* Make sure the devices probe in scsibus order to avoid jitter. */ 267 mutex_enter(&scsibus_qlock); 268 for (;;) { 269 scsi_initq = TAILQ_FIRST(&scsi_initq_head); 270 if (scsi_initq->sc_channel == chan) 271 break; 272 cv_wait(&scsibus_qcv, &scsibus_qlock); 273 } 274 mutex_exit(&scsibus_qlock); 275 276 scsi_probe_bus(sc, -1, -1); 277 278 mutex_enter(&scsibus_qlock); 279 TAILQ_REMOVE(&scsi_initq_head, scsi_initq, scsi_initq); 280 cv_broadcast(&scsibus_qcv); 281 mutex_exit(&scsibus_qlock); 282 283 free(scsi_initq, M_DEVBUF); 284 285 scsipi_adapter_delref(chan->chan_adapter); 286 287 config_pending_decr(); 288 } 289 290 static int 291 scsibusdetach(device_t self, int flags) 292 { 293 struct scsibus_softc *sc = device_private(self); 294 struct scsipi_channel *chan = sc->sc_channel; 295 struct scsipi_periph *periph; 296 int ctarget, clun; 297 struct scsipi_xfer *xs; 298 int error; 299 300 /* XXXSMP scsipi */ 301 KERNEL_LOCK(1, curlwp); 302 303 /* 304 * Detach all of the periphs. 305 */ 306 if ((error = scsipi_target_detach(chan, -1, -1, flags)) != 0) { 307 /* XXXSMP scsipi */ 308 KERNEL_UNLOCK_ONE(curlwp); 309 310 return error; 311 } 312 313 pmf_device_deregister(self); 314 315 /* 316 * Process outstanding commands (which will never complete as the 317 * controller is gone). 318 * 319 * XXX Surely this is redundant? If we get this far, the 320 * XXX peripherals have all been detached. 321 */ 322 for (ctarget = 0; ctarget < chan->chan_ntargets; ctarget++) { 323 if (ctarget == chan->chan_id) 324 continue; 325 for (clun = 0; clun < chan->chan_nluns; clun++) { 326 periph = scsipi_lookup_periph(chan, ctarget, clun); 327 if (periph == NULL) 328 continue; 329 TAILQ_FOREACH(xs, &periph->periph_xferq, device_q) { 330 callout_stop(&xs->xs_callout); 331 xs->error = XS_DRIVER_STUFFUP; 332 scsipi_done(xs); 333 } 334 } 335 } 336 337 /* 338 * Now shut down the channel. 339 */ 340 scsipi_channel_shutdown(chan); 341 342 /* XXXSMP scsipi */ 343 KERNEL_UNLOCK_ONE(curlwp); 344 345 return 0; 346 } 347 348 /* 349 * Probe the requested scsi bus. It must be already set up. 350 * target and lun optionally narrow the search if not -1 351 */ 352 int 353 scsi_probe_bus(struct scsibus_softc *sc, int target, int lun) 354 { 355 struct scsipi_channel *chan = sc->sc_channel; 356 int maxtarget, mintarget, maxlun, minlun; 357 int error; 358 359 /* XXXSMP scsipi */ 360 KERNEL_LOCK(1, curlwp); 361 362 if (target == -1) { 363 maxtarget = chan->chan_ntargets - 1; 364 mintarget = 0; 365 } else { 366 if (target < 0 || target >= chan->chan_ntargets) 367 return (EINVAL); 368 maxtarget = mintarget = target; 369 } 370 371 if (lun == -1) { 372 maxlun = chan->chan_nluns - 1; 373 minlun = 0; 374 } else { 375 if (lun < 0 || lun >= chan->chan_nluns) 376 return (EINVAL); 377 maxlun = minlun = lun; 378 } 379 380 /* 381 * Some HBAs provide an abstracted view of the bus; give them an 382 * oppertunity to re-scan it before we do. 383 */ 384 if (chan->chan_adapter->adapt_ioctl != NULL) 385 (*chan->chan_adapter->adapt_ioctl)(chan, SCBUSIOLLSCAN, NULL, 386 0, curproc); 387 388 if ((error = scsipi_adapter_addref(chan->chan_adapter)) != 0) 389 goto ret; 390 for (target = mintarget; target <= maxtarget; target++) { 391 if (target == chan->chan_id) 392 continue; 393 for (lun = minlun; lun <= maxlun; lun++) { 394 /* 395 * See if there's a device present, and configure it. 396 */ 397 if (scsi_probe_device(sc, target, lun) == 0) 398 break; 399 /* otherwise something says we should look further */ 400 } 401 402 /* 403 * Now that we've discovered all of the LUNs on this 404 * I_T Nexus, update the xfer mode for all of them 405 * that we know about. 406 */ 407 scsipi_set_xfer_mode(chan, target, 1); 408 } 409 scsipi_adapter_delref(chan->chan_adapter); 410 ret: 411 KERNEL_UNLOCK_ONE(curlwp); 412 return (error); 413 } 414 415 static int 416 scsibusrescan(device_t sc, const char *ifattr, 417 const int *locators) 418 { 419 420 KASSERT(ifattr && !strcmp(ifattr, "scsibus")); 421 KASSERT(locators); 422 423 return (scsi_probe_bus(device_private(sc), 424 locators[SCSIBUSCF_TARGET], locators[SCSIBUSCF_LUN])); 425 } 426 427 static void 428 scsidevdetached(device_t self, device_t child) 429 { 430 struct scsibus_softc *sc = device_private(self); 431 struct scsipi_channel *chan = sc->sc_channel; 432 struct scsipi_periph *periph; 433 int target, lun; 434 435 target = device_locator(child, SCSIBUSCF_TARGET); 436 lun = device_locator(child, SCSIBUSCF_LUN); 437 438 /* XXXSMP scsipi */ 439 KERNEL_LOCK(1, curlwp); 440 441 periph = scsipi_lookup_periph(chan, target, lun); 442 KASSERT(periph->periph_dev == child); 443 444 scsipi_remove_periph(chan, periph); 445 free(periph, M_DEVBUF); 446 447 /* XXXSMP scsipi */ 448 KERNEL_UNLOCK_ONE(curlwp); 449 } 450 451 /* 452 * Print out autoconfiguration information for a subdevice. 453 * 454 * This is a slight abuse of 'standard' autoconfiguration semantics, 455 * because 'print' functions don't normally print the colon and 456 * device information. However, in this case that's better than 457 * either printing redundant information before the attach message, 458 * or having the device driver call a special function to print out 459 * the standard device information. 460 */ 461 static int 462 scsibusprint(void *aux, const char *pnp) 463 { 464 struct scsipibus_attach_args *sa = aux; 465 struct scsipi_inquiry_pattern *inqbuf; 466 u_int8_t type; 467 const char *dtype; 468 char vendor[33], product[65], revision[17]; 469 int target, lun; 470 471 if (pnp != NULL) 472 aprint_normal("%s", pnp); 473 474 inqbuf = &sa->sa_inqbuf; 475 476 target = sa->sa_periph->periph_target; 477 lun = sa->sa_periph->periph_lun; 478 type = inqbuf->type & SID_TYPE; 479 480 dtype = scsipi_dtype(type); 481 482 scsipi_strvis(vendor, 33, inqbuf->vendor, 8); 483 scsipi_strvis(product, 65, inqbuf->product, 16); 484 scsipi_strvis(revision, 17, inqbuf->revision, 4); 485 486 aprint_normal(" target %d lun %d: <%s, %s, %s> %s %s", 487 target, lun, vendor, product, revision, dtype, 488 inqbuf->removable ? "removable" : "fixed"); 489 490 return (UNCONF); 491 } 492 493 static const struct scsi_quirk_inquiry_pattern scsi_quirk_patterns[] = { 494 {{T_CDROM, T_REMOV, 495 "CHINON ", "CD-ROM CDS-431 ", ""}, PQUIRK_NOLUNS}, 496 {{T_CDROM, T_REMOV, 497 "CHINON ", "CD-ROM CDS-435 ", ""}, PQUIRK_NOLUNS}, 498 {{T_CDROM, T_REMOV, 499 "Chinon ", "CD-ROM CDS-525 ", ""}, PQUIRK_NOLUNS}, 500 {{T_CDROM, T_REMOV, 501 "CHINON ", "CD-ROM CDS-535 ", ""}, PQUIRK_NOLUNS}, 502 {{T_CDROM, T_REMOV, 503 "DEC ", "RRD42 (C) DEC ", ""}, PQUIRK_NOLUNS}, 504 {{T_CDROM, T_REMOV, 505 "DENON ", "DRD-25X ", "V"}, PQUIRK_NOLUNS}, 506 {{T_CDROM, T_REMOV, 507 "GENERIC ", "CRD-BP2 ", ""}, PQUIRK_NOLUNS}, 508 {{T_CDROM, T_REMOV, 509 "HP ", "C4324/C4325 ", ""}, PQUIRK_NOLUNS}, 510 {{T_CDROM, T_REMOV, 511 "IMS ", "CDD521/10 ", "2.06"}, PQUIRK_NOLUNS}, 512 {{T_CDROM, T_REMOV, 513 "MATSHITA", "CD-ROM CR-5XX ", "1.0b"}, PQUIRK_NOLUNS}, 514 {{T_CDROM, T_REMOV, 515 "MEDAVIS ", "RENO CD-ROMX2A ", ""}, PQUIRK_NOLUNS}, 516 {{T_CDROM, T_REMOV, 517 "MEDIAVIS", "CDR-H93MV ", "1.3"}, PQUIRK_NOLUNS}, 518 {{T_CDROM, T_REMOV, 519 "NEC ", "CD-ROM DRIVE:502", ""}, PQUIRK_NOLUNS}, 520 {{T_CDROM, T_REMOV, 521 "NEC ", "CD-ROM DRIVE:55 ", ""}, PQUIRK_NOLUNS}, 522 {{T_CDROM, T_REMOV, 523 "NEC ", "CD-ROM DRIVE:83 ", ""}, PQUIRK_NOLUNS}, 524 {{T_CDROM, T_REMOV, 525 "NEC ", "CD-ROM DRIVE:84 ", ""}, PQUIRK_NOLUNS}, 526 {{T_CDROM, T_REMOV, 527 "NEC ", "CD-ROM DRIVE:841", ""}, PQUIRK_NOLUNS}, 528 {{T_CDROM, T_REMOV, 529 "OLYMPUS ", "CDS620E ", "1.1d"}, 530 PQUIRK_NOLUNS|PQUIRK_NOSYNC|PQUIRK_NOCAPACITY}, 531 {{T_CDROM, T_REMOV, 532 "PIONEER ", "CD-ROM DR-124X ", "1.01"}, PQUIRK_NOLUNS}, 533 {{T_CDROM, T_REMOV, 534 "PLEXTOR ", "CD-ROM PX-4XCS ", "1.01"}, 535 PQUIRK_NOLUNS|PQUIRK_NOSYNC}, 536 {{T_CDROM, T_REMOV, 537 "SONY ", "CD-ROM CDU-541 ", ""}, PQUIRK_NOLUNS}, 538 {{T_CDROM, T_REMOV, 539 "SONY ", "CD-ROM CDU-55S ", ""}, PQUIRK_NOLUNS}, 540 {{T_CDROM, T_REMOV, 541 "SONY ", "CD-ROM CDU-561 ", ""}, PQUIRK_NOLUNS}, 542 {{T_CDROM, T_REMOV, 543 "SONY ", "CD-ROM CDU-76S", ""}, 544 PQUIRK_NOLUNS|PQUIRK_NOSYNC|PQUIRK_NOWIDE}, 545 {{T_CDROM, T_REMOV, 546 "SONY ", "CD-ROM CDU-8003A", ""}, PQUIRK_NOLUNS}, 547 {{T_CDROM, T_REMOV, 548 "SONY ", "CD-ROM CDU-8012 ", ""}, PQUIRK_NOLUNS}, 549 {{T_CDROM, T_REMOV, 550 "TEAC ", "CD-ROM ", "1.06"}, PQUIRK_NOLUNS}, 551 {{T_CDROM, T_REMOV, 552 "TEAC ", "CD-ROM CD-56S ", "1.0B"}, PQUIRK_NOLUNS}, 553 {{T_CDROM, T_REMOV, 554 "TEXEL ", "CD-ROM ", "1.06"}, PQUIRK_NOLUNS}, 555 {{T_CDROM, T_REMOV, 556 "TEXEL ", "CD-ROM DM-XX24 K", "1.09"}, PQUIRK_NOLUNS}, 557 {{T_CDROM, T_REMOV, 558 "TEXEL ", "CD-ROM DM-XX24 K", "1.10"}, PQUIRK_NOLUNS}, 559 {{T_CDROM, T_REMOV, 560 "TOSHIBA ", "XM-4101TASUNSLCD", ""}, PQUIRK_NOLUNS|PQUIRK_NOSYNC}, 561 /* "IBM CDRM00201 !F" 0724 is an IBM OEM Toshiba XM-4101BME */ 562 {{T_CDROM, T_REMOV, 563 "IBM ", "CDRM00201 !F", "0724"}, PQUIRK_NOLUNS|PQUIRK_NOSYNC}, 564 {{T_CDROM, T_REMOV, 565 "ShinaKen", "CD-ROM DM-3x1S", "1.04"}, PQUIRK_NOLUNS}, 566 {{T_CDROM, T_REMOV, 567 "JVC ", "R2626", ""}, PQUIRK_NOLUNS}, 568 {{T_CDROM, T_REMOV, 569 "YAMAHA", "CRW8424S", ""}, PQUIRK_NOLUNS}, 570 {{T_CDROM, T_REMOV, 571 "NEC ", "CD-ROM DRIVE:222", ""}, PQUIRK_NOLUNS|PQUIRK_NOSYNC}, 572 573 {{T_DIRECT, T_FIXED, 574 "MICROP ", "1588-15MBSUN0669", ""}, PQUIRK_AUTOSAVE}, 575 {{T_DIRECT, T_FIXED, 576 "MICROP ", "2217-15MQ1091501", ""}, PQUIRK_NOSYNCCACHE}, 577 {{T_OPTICAL, T_REMOV, 578 "EPSON ", "OMD-5010 ", "3.08"}, PQUIRK_NOLUNS}, 579 {{T_DIRECT, T_FIXED, 580 "ADAPTEC ", "AEC-4412BD", "1.2A"}, PQUIRK_NOMODESENSE}, 581 {{T_DIRECT, T_FIXED, 582 "ADAPTEC ", "ACB-4000", ""}, PQUIRK_FORCELUNS|PQUIRK_AUTOSAVE|PQUIRK_NOMODESENSE}, 583 {{T_DIRECT, T_FIXED, 584 "DEC ", "RZ55 (C) DEC", ""}, PQUIRK_AUTOSAVE}, 585 {{T_DIRECT, T_FIXED, 586 "EMULEX ", "MD21/S2 ESDI", "A00"}, 587 PQUIRK_FORCELUNS|PQUIRK_AUTOSAVE}, 588 {{T_DIRECT, T_FIXED, 589 "MICROP", "1548-15MZ1077801", "HZ2P"}, PQUIRK_NOTAG}, 590 {{T_DIRECT, T_FIXED, 591 "HP ", "C372", ""}, PQUIRK_NOTAG}, 592 {{T_DIRECT, T_FIXED, 593 "IBMRAID ", "0662S", ""}, PQUIRK_AUTOSAVE}, 594 {{T_DIRECT, T_FIXED, 595 "IBM ", "0663H", ""}, PQUIRK_AUTOSAVE}, 596 {{T_DIRECT, T_FIXED, 597 "IBM", "0664", ""}, PQUIRK_AUTOSAVE}, 598 {{T_DIRECT, T_FIXED, 599 /* improperly report DT-only sync mode */ 600 "IBM ", "DXHS36D", ""}, 601 PQUIRK_CAP_SYNC|PQUIRK_CAP_WIDE16}, 602 {{T_DIRECT, T_FIXED, 603 "IBM ", "DXHS18Y", ""}, 604 PQUIRK_CAP_SYNC|PQUIRK_CAP_WIDE16}, 605 {{T_DIRECT, T_FIXED, 606 "IBM ", "H3171-S2", ""}, 607 PQUIRK_NOLUNS|PQUIRK_AUTOSAVE}, 608 {{T_DIRECT, T_FIXED, 609 "IBM ", "KZ-C", ""}, PQUIRK_AUTOSAVE}, 610 /* Broken IBM disk */ 611 {{T_DIRECT, T_FIXED, 612 "" , "DFRSS2F", ""}, PQUIRK_AUTOSAVE}, 613 {{T_DIRECT, T_FIXED, 614 "Initio ", "", ""}, PQUIRK_NOBIGMODESENSE}, 615 {{T_DIRECT, T_REMOV, 616 "MPL ", "MC-DISK- ", ""}, PQUIRK_NOLUNS}, 617 {{T_DIRECT, T_FIXED, 618 "MAXTOR ", "XT-3280 ", ""}, PQUIRK_NOLUNS}, 619 {{T_DIRECT, T_FIXED, 620 "MAXTOR ", "XT-4380S ", ""}, PQUIRK_NOLUNS}, 621 {{T_DIRECT, T_FIXED, 622 "MAXTOR ", "MXT-1240S ", ""}, PQUIRK_NOLUNS}, 623 {{T_DIRECT, T_FIXED, 624 "MAXTOR ", "XT-4170S ", ""}, PQUIRK_NOLUNS}, 625 {{T_DIRECT, T_FIXED, 626 "MAXTOR ", "XT-8760S", ""}, PQUIRK_NOLUNS}, 627 {{T_DIRECT, T_FIXED, 628 "MAXTOR ", "LXT-213S ", ""}, PQUIRK_NOLUNS}, 629 {{T_DIRECT, T_FIXED, 630 "MAXTOR ", "LXT-213S SUN0207", ""}, PQUIRK_NOLUNS}, 631 {{T_DIRECT, T_FIXED, 632 "MAXTOR ", "LXT-200S ", ""}, PQUIRK_NOLUNS}, 633 {{T_DIRECT, T_FIXED, 634 "MEGADRV ", "EV1000", ""}, PQUIRK_NOMODESENSE}, 635 {{T_DIRECT, T_FIXED, 636 "MICROP", "1991-27MZ", ""}, PQUIRK_NOTAG}, 637 {{T_DIRECT, T_FIXED, 638 "MST ", "SnapLink ", ""}, PQUIRK_NOLUNS}, 639 {{T_DIRECT, T_FIXED, 640 "NEC ", "D3847 ", "0307"}, PQUIRK_NOLUNS}, 641 {{T_DIRECT, T_FIXED, 642 "QUANTUM ", "ELS85S ", ""}, PQUIRK_AUTOSAVE}, 643 {{T_DIRECT, T_FIXED, 644 "QUANTUM ", "LPS525S ", ""}, PQUIRK_NOLUNS}, 645 {{T_DIRECT, T_FIXED, 646 "QUANTUM ", "P105S 910-10-94x", ""}, PQUIRK_NOLUNS}, 647 {{T_DIRECT, T_FIXED, 648 "QUANTUM ", "PD1225S ", ""}, PQUIRK_NOLUNS}, 649 {{T_DIRECT, T_FIXED, 650 "QUANTUM ", "PD210S SUN0207", ""}, PQUIRK_NOLUNS}, 651 {{T_DIRECT, T_FIXED, 652 "QUANTUM ", "ATLAS IV 9 WLS", "0A0A"}, PQUIRK_CAP_NODT}, 653 {{T_DIRECT, T_FIXED, 654 "RODIME ", "RO3000S ", ""}, PQUIRK_NOLUNS}, 655 {{T_DIRECT, T_FIXED, 656 "SEAGATE ", "ST125N ", ""}, PQUIRK_NOLUNS}, 657 {{T_DIRECT, T_FIXED, 658 "SEAGATE ", "ST157N ", ""}, PQUIRK_NOLUNS}, 659 {{T_DIRECT, T_FIXED, 660 "SEAGATE ", "ST296 ", ""}, PQUIRK_NOLUNS}, 661 {{T_DIRECT, T_FIXED, 662 "SEAGATE ", "ST296N ", ""}, PQUIRK_NOLUNS}, 663 {{T_DIRECT, T_FIXED, 664 "SEAGATE ", "ST318404LC ", ""}, PQUIRK_NOLUNS}, 665 {{T_DIRECT, T_FIXED, 666 "SEAGATE ", "ST15150N ", ""}, PQUIRK_NOTAG}, 667 {{T_DIRECT, T_FIXED, 668 "SEAGATE ", "ST19171", ""}, PQUIRK_NOMODESENSE}, 669 {{T_DIRECT, T_FIXED, 670 "SEAGATE ", "ST32430N", ""}, PQUIRK_CAP_SYNC}, 671 {{T_DIRECT, T_FIXED, 672 "SEAGATE ", "ST34501FC ", ""}, PQUIRK_NOMODESENSE}, 673 {{T_DIRECT, T_FIXED, 674 "SEAGATE ", "SX910800N", ""}, PQUIRK_NOTAG}, 675 {{T_DIRECT, T_FIXED, 676 "TOSHIBA ", "MK538FB ", "6027"}, PQUIRK_NOLUNS}, 677 {{T_DIRECT, T_FIXED, 678 "MICROP ", "1924", ""}, PQUIRK_CAP_SYNC}, 679 {{T_DIRECT, T_FIXED, 680 "FUJITSU ", "M2266", ""}, PQUIRK_CAP_SYNC}, 681 {{T_DIRECT, T_FIXED, 682 "FUJITSU ", "M2624S-512 ", ""}, PQUIRK_CAP_SYNC}, 683 {{T_DIRECT, T_FIXED, 684 "SEAGATE ", "SX336704LC" , ""}, PQUIRK_CAP_SYNC | PQUIRK_CAP_WIDE16}, 685 {{T_DIRECT, T_FIXED, 686 "SEAGATE ", "SX173404LC", ""}, PQUIRK_CAP_SYNC | PQUIRK_CAP_WIDE16}, 687 688 {{T_DIRECT, T_REMOV, 689 "IOMEGA", "ZIP 100", "J.03"}, PQUIRK_NOLUNS|PQUIRK_NOSYNC}, 690 {{T_DIRECT, T_REMOV, 691 "INSITE", "I325VM", ""}, PQUIRK_NOLUNS}, 692 693 /* XXX: QIC-36 tape behind Emulex adapter. Very broken. */ 694 {{T_SEQUENTIAL, T_REMOV, 695 " ", " ", " "}, PQUIRK_NOLUNS}, 696 {{T_SEQUENTIAL, T_REMOV, 697 "EMULEX ", "MT-02 QIC ", ""}, PQUIRK_NOLUNS}, 698 {{T_SEQUENTIAL, T_REMOV, 699 "CALIPER ", "CP150 ", ""}, PQUIRK_NOLUNS}, 700 {{T_SEQUENTIAL, T_REMOV, 701 "EXABYTE ", "EXB-8200 ", ""}, PQUIRK_NOLUNS}, 702 {{T_SEQUENTIAL, T_REMOV, 703 "SONY ", "GY-10C ", ""}, PQUIRK_NOLUNS}, 704 {{T_SEQUENTIAL, T_REMOV, 705 "SONY ", "SDT-2000 ", "2.09"}, PQUIRK_NOLUNS}, 706 {{T_SEQUENTIAL, T_REMOV, 707 "SONY ", "SDT-5000 ", "3."}, PQUIRK_NOSYNC|PQUIRK_NOWIDE}, 708 {{T_SEQUENTIAL, T_REMOV, 709 "SONY ", "SDT-5200 ", "3."}, PQUIRK_NOLUNS}, 710 {{T_SEQUENTIAL, T_REMOV, 711 "TANDBERG", " TDC 3600 ", ""}, PQUIRK_NOLUNS}, 712 /* Following entry reported as a Tandberg 3600; ref. PR1933 */ 713 {{T_SEQUENTIAL, T_REMOV, 714 "ARCHIVE ", "VIPER 150 21247", ""}, PQUIRK_NOLUNS}, 715 /* Following entry for a Cipher ST150S; ref. PR4171 */ 716 {{T_SEQUENTIAL, T_REMOV, 717 "ARCHIVE ", "VIPER 1500 21247", "2.2G"}, PQUIRK_NOLUNS}, 718 {{T_SEQUENTIAL, T_REMOV, 719 "ARCHIVE ", "Python 28454-XXX", ""}, PQUIRK_NOLUNS}, 720 {{T_SEQUENTIAL, T_REMOV, 721 "WANGTEK ", "5099ES SCSI", ""}, PQUIRK_NOLUNS}, 722 {{T_SEQUENTIAL, T_REMOV, 723 "WANGTEK ", "5150ES SCSI", ""}, PQUIRK_NOLUNS}, 724 {{T_SEQUENTIAL, T_REMOV, 725 "WANGTEK ", "SCSI-36", ""}, PQUIRK_NOLUNS}, 726 {{T_SEQUENTIAL, T_REMOV, 727 "WangDAT ", "Model 1300 ", "02.4"}, PQUIRK_NOSYNC|PQUIRK_NOWIDE}, 728 {{T_SEQUENTIAL, T_REMOV, 729 "WangDAT ", "Model 2600 ", "01.7"}, PQUIRK_NOSYNC|PQUIRK_NOWIDE}, 730 {{T_SEQUENTIAL, T_REMOV, 731 "WangDAT ", "Model 3200 ", "02.2"}, PQUIRK_NOSYNC|PQUIRK_NOWIDE}, 732 {{T_SEQUENTIAL, T_REMOV, 733 "TEAC ", "MT-2ST/N50 ", ""}, PQUIRK_NOLUNS}, 734 735 {{T_SCANNER, T_FIXED, 736 "RICOH ", "IS60 ", "1R08"}, PQUIRK_NOLUNS}, 737 {{T_SCANNER, T_FIXED, 738 "UMAX ", "Astra 1200S ", "V2.9"}, PQUIRK_NOLUNS}, 739 {{T_SCANNER, T_FIXED, 740 "UMAX ", "Astra 1220S ", ""}, PQUIRK_NOLUNS}, 741 {{T_SCANNER, T_FIXED, 742 "UMAX ", "UMAX S-6E ", "V2.0"}, PQUIRK_NOLUNS}, 743 {{T_SCANNER, T_FIXED, 744 "UMAX ", "UMAX S-12 ", "V2.1"}, PQUIRK_NOLUNS}, 745 {{T_SCANNER, T_FIXED, 746 "ULTIMA ", "A6000C ", ""}, PQUIRK_NOLUNS}, 747 {{T_PROCESSOR, T_FIXED, 748 "ESG-SHV", "SCA HSBP M15", ""}, PQUIRK_NOLUNS}, 749 {{T_PROCESSOR, T_FIXED, 750 "SYMBIOS", "", ""}, PQUIRK_NOLUNS}, 751 {{T_PROCESSOR, T_FIXED, 752 "LITRONIC", "PCMCIA ", ""}, PQUIRK_NOLUNS}, 753 {{T_CHANGER, T_REMOV, 754 "SONY ", "CDL1100 ", ""}, PQUIRK_NOLUNS}, 755 {{T_ENCLOSURE, T_FIXED, 756 "SUN ", "SENA ", ""}, PQUIRK_NOLUNS}, 757 }; 758 759 /* 760 * given a target and lun, ask the device what 761 * it is, and find the correct driver table 762 * entry. 763 */ 764 static int 765 scsi_probe_device(struct scsibus_softc *sc, int target, int lun) 766 { 767 struct scsipi_channel *chan = sc->sc_channel; 768 struct scsipi_periph *periph; 769 struct scsipi_inquiry_data inqbuf; 770 const struct scsi_quirk_inquiry_pattern *finger; 771 int checkdtype, priority, docontinue, quirks; 772 struct scsipibus_attach_args sa; 773 cfdata_t cf; 774 int locs[SCSIBUSCF_NLOCS]; 775 device_t chld; 776 777 /* 778 * Assume no more luns to search after this one. 779 * If we successfully get Inquiry data and after 780 * merging quirks we find we can probe for more 781 * luns, we will. 782 */ 783 docontinue = 0; 784 785 /* Skip this slot if it is already attached. */ 786 if (scsipi_lookup_periph(chan, target, lun) != NULL) 787 return (docontinue); 788 789 periph = scsipi_alloc_periph(M_NOWAIT); 790 if (periph == NULL) { 791 #ifdef DIAGNOSTIC 792 aprint_error_dev(sc->sc_dev, 793 "cannot allocate periph for target %d lun %d\n", 794 target, lun); 795 #endif 796 return (ENOMEM); 797 } 798 periph->periph_channel = chan; 799 periph->periph_switch = &scsi_probe_dev; 800 801 periph->periph_target = target; 802 periph->periph_lun = lun; 803 periph->periph_quirks = chan->chan_defquirks; 804 805 #ifdef SCSIPI_DEBUG 806 if (SCSIPI_DEBUG_TYPE == SCSIPI_BUSTYPE_SCSI && 807 SCSIPI_DEBUG_TARGET == target && 808 SCSIPI_DEBUG_LUN == lun) 809 periph->periph_dbflags |= SCSIPI_DEBUG_FLAGS; 810 #endif 811 812 /* 813 * Ask the device what it is 814 */ 815 816 #ifdef SCSI_2_DEF 817 /* some devices need to be told to go to SCSI2 */ 818 /* However some just explode if you tell them this.. leave it out */ 819 scsi_change_def(periph, XS_CTL_DISCOVERY | XS_CTL_SILENT); 820 #endif /* SCSI_2_DEF */ 821 822 /* Now go ask the device all about itself. */ 823 memset(&inqbuf, 0, sizeof(inqbuf)); 824 { 825 u_int8_t *extension = &inqbuf.flags1; 826 int len = 0; 827 while (len < 3) 828 extension[len++] = '\0'; 829 while (len < 3 + 28) 830 extension[len++] = ' '; 831 while (len < 3 + 28 + 20) 832 extension[len++] = '\0'; 833 while (len < 3 + 28 + 20 + 1) 834 extension[len++] = '\0'; 835 while (len < 3 + 28 + 20 + 1 + 1) 836 extension[len++] = '\0'; 837 while (len < 3 + 28 + 20 + 1 + 1 + (8*2)) 838 extension[len++] = ' '; 839 } 840 if (scsipi_inquire(periph, &inqbuf, XS_CTL_DISCOVERY | XS_CTL_SILENT)) 841 goto bad; 842 843 periph->periph_type = inqbuf.device & SID_TYPE; 844 if (inqbuf.dev_qual2 & SID_REMOVABLE) 845 periph->periph_flags |= PERIPH_REMOVABLE; 846 periph->periph_version = inqbuf.version & SID_ANSII; 847 848 /* 849 * Any device qualifier that has the top bit set (qualifier&4 != 0) 850 * is vendor specific and won't match in this switch. 851 * All we do here is throw out bad/negative responses. 852 */ 853 checkdtype = 0; 854 switch (inqbuf.device & SID_QUAL) { 855 case SID_QUAL_LU_PRESENT: 856 checkdtype = 1; 857 break; 858 859 case SID_QUAL_LU_NOTPRESENT: 860 case SID_QUAL_reserved: 861 case SID_QUAL_LU_NOT_SUPP: 862 goto bad; 863 864 default: 865 break; 866 } 867 868 /* Let the adapter driver handle the device separatley if it wants. */ 869 if (chan->chan_adapter->adapt_accesschk != NULL && 870 (*chan->chan_adapter->adapt_accesschk)(periph, &sa.sa_inqbuf)) 871 goto bad; 872 873 if (checkdtype) { 874 switch (periph->periph_type) { 875 case T_DIRECT: 876 case T_SEQUENTIAL: 877 case T_PRINTER: 878 case T_PROCESSOR: 879 case T_WORM: 880 case T_CDROM: 881 case T_SCANNER: 882 case T_OPTICAL: 883 case T_CHANGER: 884 case T_COMM: 885 case T_IT8_1: 886 case T_IT8_2: 887 case T_STORARRAY: 888 case T_ENCLOSURE: 889 case T_SIMPLE_DIRECT: 890 case T_OPTIC_CARD_RW: 891 case T_OBJECT_STORED: 892 default: 893 break; 894 case T_NODEVICE: 895 goto bad; 896 } 897 } 898 899 sa.sa_periph = periph; 900 sa.sa_inqbuf.type = inqbuf.device; 901 sa.sa_inqbuf.removable = inqbuf.dev_qual2 & SID_REMOVABLE ? 902 T_REMOV : T_FIXED; 903 sa.sa_inqbuf.vendor = inqbuf.vendor; 904 sa.sa_inqbuf.product = inqbuf.product; 905 sa.sa_inqbuf.revision = inqbuf.revision; 906 sa.scsipi_info.scsi_version = inqbuf.version; 907 sa.sa_inqptr = &inqbuf; 908 909 finger = scsipi_inqmatch( 910 &sa.sa_inqbuf, scsi_quirk_patterns, 911 sizeof(scsi_quirk_patterns)/sizeof(scsi_quirk_patterns[0]), 912 sizeof(scsi_quirk_patterns[0]), &priority); 913 914 if (finger != NULL) 915 quirks = finger->quirks; 916 else 917 quirks = 0; 918 919 /* 920 * Determine the operating mode capabilities of the device. 921 */ 922 if (periph->periph_version >= 2) { 923 if ((inqbuf.flags3 & SID_CmdQue) != 0 && 924 (quirks & PQUIRK_NOTAG) == 0) 925 periph->periph_cap |= PERIPH_CAP_TQING; 926 if ((inqbuf.flags3 & SID_Linked) != 0) 927 periph->periph_cap |= PERIPH_CAP_LINKCMDS; 928 if ((inqbuf.flags3 & SID_Sync) != 0 && 929 (quirks & PQUIRK_NOSYNC) == 0) 930 periph->periph_cap |= PERIPH_CAP_SYNC; 931 if ((inqbuf.flags3 & SID_WBus16) != 0 && 932 (quirks & PQUIRK_NOWIDE) == 0) 933 periph->periph_cap |= PERIPH_CAP_WIDE16; 934 if ((inqbuf.flags3 & SID_WBus32) != 0 && 935 (quirks & PQUIRK_NOWIDE) == 0) 936 periph->periph_cap |= PERIPH_CAP_WIDE32; 937 if ((inqbuf.flags3 & SID_SftRe) != 0) 938 periph->periph_cap |= PERIPH_CAP_SFTRESET; 939 if ((inqbuf.flags3 & SID_RelAdr) != 0) 940 periph->periph_cap |= PERIPH_CAP_RELADR; 941 /* SPC-2 */ 942 if (periph->periph_version >= 3 && 943 !(quirks & PQUIRK_CAP_NODT)){ 944 /* 945 * Report ST clocking though CAP_WIDExx/CAP_SYNC. 946 * If the device only supports DT, clear these 947 * flags (DT implies SYNC and WIDE) 948 */ 949 switch (inqbuf.flags4 & SID_Clocking) { 950 case SID_CLOCKING_DT_ONLY: 951 periph->periph_cap &= 952 ~(PERIPH_CAP_SYNC | 953 PERIPH_CAP_WIDE16 | 954 PERIPH_CAP_WIDE32); 955 /* FALLTHROUGH */ 956 case SID_CLOCKING_SD_DT: 957 periph->periph_cap |= PERIPH_CAP_DT; 958 break; 959 default: /* ST only or invalid */ 960 /* nothing to do */ 961 break; 962 } 963 } 964 if (periph->periph_version >= 3) { 965 if (inqbuf.flags4 & SID_IUS) 966 periph->periph_cap |= PERIPH_CAP_IUS; 967 if (inqbuf.flags4 & SID_QAS) 968 periph->periph_cap |= PERIPH_CAP_QAS; 969 } 970 } 971 if (quirks & PQUIRK_CAP_SYNC) 972 periph->periph_cap |= PERIPH_CAP_SYNC; 973 if (quirks & PQUIRK_CAP_WIDE16) 974 periph->periph_cap |= PERIPH_CAP_WIDE16; 975 976 /* 977 * Now apply any quirks from the table. 978 */ 979 periph->periph_quirks |= quirks; 980 if (periph->periph_version == 0 && 981 (periph->periph_quirks & PQUIRK_FORCELUNS) == 0) 982 periph->periph_quirks |= PQUIRK_NOLUNS; 983 984 if ((periph->periph_quirks & PQUIRK_NOLUNS) == 0) 985 docontinue = 1; 986 987 locs[SCSIBUSCF_TARGET] = target; 988 locs[SCSIBUSCF_LUN] = lun; 989 990 if ((cf = config_search_loc(config_stdsubmatch, sc->sc_dev, 991 "scsibus", locs, &sa)) != NULL) { 992 scsipi_insert_periph(chan, periph); 993 /* 994 * XXX Can't assign periph_dev here, because we'll 995 * XXX need it before config_attach() returns. Must 996 * XXX assign it in periph driver. 997 */ 998 chld = config_attach_loc(sc->sc_dev, cf, locs, &sa, 999 scsibusprint); 1000 } else { 1001 scsibusprint(&sa, device_xname(sc->sc_dev)); 1002 aprint_normal(" not configured\n"); 1003 goto bad; 1004 } 1005 1006 return (docontinue); 1007 1008 bad: 1009 free(periph, M_DEVBUF); 1010 return (docontinue); 1011 } 1012 1013 /****** Entry points for user control of the SCSI bus. ******/ 1014 1015 static int 1016 scsibusopen(dev_t dev, int flag, int fmt, 1017 struct lwp *l) 1018 { 1019 struct scsibus_softc *sc; 1020 int error, unit = minor(dev); 1021 1022 sc = device_lookup_private(&scsibus_cd, unit); 1023 if (sc == NULL) 1024 return (ENXIO); 1025 1026 if (sc->sc_flags & SCSIBUSF_OPEN) 1027 return (EBUSY); 1028 1029 if ((error = scsipi_adapter_addref(sc->sc_channel->chan_adapter)) != 0) 1030 return (error); 1031 1032 sc->sc_flags |= SCSIBUSF_OPEN; 1033 1034 return (0); 1035 } 1036 1037 static int 1038 scsibusclose(dev_t dev, int flag, int fmt, 1039 struct lwp *l) 1040 { 1041 struct scsibus_softc *sc; 1042 1043 sc = device_lookup_private(&scsibus_cd, minor(dev)); 1044 scsipi_adapter_delref(sc->sc_channel->chan_adapter); 1045 1046 sc->sc_flags &= ~SCSIBUSF_OPEN; 1047 1048 return (0); 1049 } 1050 1051 static int 1052 scsibusioctl(dev_t dev, u_long cmd, void *addr, int flag, struct lwp *l) 1053 { 1054 struct scsibus_softc *sc; 1055 struct scsipi_channel *chan; 1056 int error; 1057 1058 sc = device_lookup_private(&scsibus_cd, minor(dev)); 1059 chan = sc->sc_channel; 1060 1061 /* 1062 * Enforce write permission for ioctls that change the 1063 * state of the bus. Host adapter specific ioctls must 1064 * be checked by the adapter driver. 1065 */ 1066 switch (cmd) { 1067 case SCBUSIOSCAN: 1068 case SCBUSIODETACH: 1069 case SCBUSIORESET: 1070 if ((flag & FWRITE) == 0) 1071 return (EBADF); 1072 } 1073 1074 switch (cmd) { 1075 case SCBUSIOSCAN: 1076 { 1077 struct scbusioscan_args *a = 1078 (struct scbusioscan_args *)addr; 1079 1080 error = scsi_probe_bus(sc, a->sa_target, a->sa_lun); 1081 break; 1082 } 1083 1084 case SCBUSIODETACH: 1085 { 1086 struct scbusiodetach_args *a = 1087 (struct scbusiodetach_args *)addr; 1088 1089 error = scsipi_target_detach(chan, a->sa_target, a->sa_lun, 0); 1090 break; 1091 } 1092 1093 1094 case SCBUSIORESET: 1095 /* FALLTHROUGH */ 1096 default: 1097 if (chan->chan_adapter->adapt_ioctl == NULL) 1098 error = ENOTTY; 1099 else 1100 error = (*chan->chan_adapter->adapt_ioctl)(chan, 1101 cmd, addr, flag, l->l_proc); 1102 break; 1103 } 1104 1105 return (error); 1106 } 1107
Indexes created Mon Sep 29 21:09:56 GMT 2025