scsiconf.c revision 1.269
1 /* $NetBSD: scsiconf.c,v 1.269 2012/08/21 14:19:02 bouyer 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 1.269 2012/08/21 14:19:02 bouyer 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 scsi_async_event_xfer_mode, 123 }; 124 125 const struct scsipi_bustype scsi_fc_bustype = { 126 SCSIPI_BUSTYPE_BUSTYPE(SCSIPI_BUSTYPE_SCSI, SCSIPI_BUSTYPE_SCSI_FC), 127 scsi_scsipi_cmd, 128 scsipi_interpret_sense, 129 scsi_print_addr, 130 scsi_kill_pending, 131 scsi_fc_sas_async_event_xfer_mode, 132 }; 133 134 const struct scsipi_bustype scsi_sas_bustype = { 135 SCSIPI_BUSTYPE_BUSTYPE(SCSIPI_BUSTYPE_SCSI, SCSIPI_BUSTYPE_SCSI_SAS), 136 scsi_scsipi_cmd, 137 scsipi_interpret_sense, 138 scsi_print_addr, 139 scsi_kill_pending, 140 scsi_fc_sas_async_event_xfer_mode, 141 }; 142 143 const struct scsipi_bustype scsi_usb_bustype = { 144 SCSIPI_BUSTYPE_BUSTYPE(SCSIPI_BUSTYPE_SCSI, SCSIPI_BUSTYPE_SCSI_USB), 145 scsi_scsipi_cmd, 146 scsipi_interpret_sense, 147 scsi_print_addr, 148 scsi_kill_pending, 149 NULL, 150 }; 151 152 static int 153 scsibus_init(void) 154 { 155 156 TAILQ_INIT(&scsi_initq_head); 157 mutex_init(&scsibus_qlock, MUTEX_DEFAULT, IPL_NONE); 158 cv_init(&scsibus_qcv, "scsinitq"); 159 return 0; 160 } 161 162 int 163 scsiprint(void *aux, const char *pnp) 164 { 165 struct scsipi_channel *chan = aux; 166 struct scsipi_adapter *adapt = chan->chan_adapter; 167 168 /* only "scsibus"es can attach to "scsi"s; easy. */ 169 if (pnp) 170 aprint_normal("scsibus at %s", pnp); 171 172 /* don't print channel if the controller says there can be only one. */ 173 if (adapt->adapt_nchannels != 1) 174 aprint_normal(" channel %d", chan->chan_channel); 175 176 return (UNCONF); 177 } 178 179 static int 180 scsibusmatch(device_t parent, cfdata_t cf, void *aux) 181 { 182 struct scsipi_channel *chan = aux; 183 184 if (SCSIPI_BUSTYPE_TYPE(chan->chan_bustype->bustype_type) != 185 SCSIPI_BUSTYPE_SCSI) 186 return 0; 187 188 if (cf->cf_loc[SCSICF_CHANNEL] != chan->chan_channel && 189 cf->cf_loc[SCSICF_CHANNEL] != SCSICF_CHANNEL_DEFAULT) 190 return (0); 191 192 return (1); 193 } 194 195 static void 196 scsibusattach(device_t parent, device_t self, void *aux) 197 { 198 struct scsibus_softc *sc = device_private(self); 199 struct scsipi_channel *chan = aux; 200 struct scsi_initq *scsi_initq; 201 202 if (!pmf_device_register(self, NULL, NULL)) 203 aprint_error_dev(self, "couldn't establish power handler\n"); 204 205 sc->sc_dev = self; 206 sc->sc_channel = chan; 207 chan->chan_name = device_xname(sc->sc_dev); 208 209 aprint_naive(": SCSI bus\n"); 210 aprint_normal(": %d target%s, %d lun%s per target\n", 211 chan->chan_ntargets, 212 chan->chan_ntargets == 1 ? "" : "s", 213 chan->chan_nluns, 214 chan->chan_nluns == 1 ? "" : "s"); 215 216 /* 217 * XXX 218 * newer adapters support more than 256 outstanding commands 219 * per periph and don't use the tag (they eventually allocate one 220 * internally). Right now scsipi always allocate a tag and 221 * is limited to 256 tags, per scsi specs. 222 * this should be revisited 223 */ 224 if (chan->chan_flags & SCSIPI_CHAN_OPENINGS) { 225 if (chan->chan_max_periph > 256) 226 chan->chan_max_periph = 256; 227 } else { 228 if (chan->chan_adapter->adapt_max_periph > 256) 229 chan->chan_adapter->adapt_max_periph = 256; 230 } 231 232 if (scsipi_adapter_addref(chan->chan_adapter)) 233 return; 234 235 RUN_ONCE(&scsi_conf_ctrl, scsibus_init); 236 237 /* Initialize the channel structure first */ 238 chan->chan_init_cb = scsibus_config; 239 chan->chan_init_cb_arg = sc; 240 241 scsi_initq = malloc(sizeof(struct scsi_initq), M_DEVBUF, M_WAITOK); 242 scsi_initq->sc_channel = chan; 243 TAILQ_INSERT_TAIL(&scsi_initq_head, scsi_initq, scsi_initq); 244 config_pending_incr(); 245 if (scsipi_channel_init(chan)) { 246 aprint_error_dev(sc->sc_dev, "failed to init channel\n"); 247 return; 248 } 249 } 250 251 static void 252 scsibus_config(struct scsipi_channel *chan, void *arg) 253 { 254 struct scsibus_softc *sc = arg; 255 struct scsi_initq *scsi_initq; 256 257 #ifndef SCSI_DELAY 258 #define SCSI_DELAY 2 259 #endif 260 if ((chan->chan_flags & SCSIPI_CHAN_NOSETTLE) == 0 && 261 SCSI_DELAY > 0) { 262 aprint_normal_dev(sc->sc_dev, 263 "waiting %d seconds for devices to settle...\n", 264 SCSI_DELAY); 265 /* ...an identifier we know no one will use... */ 266 (void) tsleep(scsibus_config, PRIBIO, 267 "scsidly", SCSI_DELAY * hz); 268 } 269 270 /* Make sure the devices probe in scsibus order to avoid jitter. */ 271 mutex_enter(&scsibus_qlock); 272 for (;;) { 273 scsi_initq = TAILQ_FIRST(&scsi_initq_head); 274 if (scsi_initq->sc_channel == chan) 275 break; 276 cv_wait(&scsibus_qcv, &scsibus_qlock); 277 } 278 mutex_exit(&scsibus_qlock); 279 280 scsi_probe_bus(sc, -1, -1); 281 282 mutex_enter(&scsibus_qlock); 283 TAILQ_REMOVE(&scsi_initq_head, scsi_initq, scsi_initq); 284 cv_broadcast(&scsibus_qcv); 285 mutex_exit(&scsibus_qlock); 286 287 free(scsi_initq, M_DEVBUF); 288 289 scsipi_adapter_delref(chan->chan_adapter); 290 291 config_pending_decr(); 292 } 293 294 static int 295 scsibusdetach(device_t self, int flags) 296 { 297 struct scsibus_softc *sc = device_private(self); 298 struct scsipi_channel *chan = sc->sc_channel; 299 struct scsipi_periph *periph; 300 int ctarget, clun; 301 struct scsipi_xfer *xs; 302 int error; 303 304 /* XXXSMP scsipi */ 305 KERNEL_LOCK(1, curlwp); 306 307 /* 308 * Detach all of the periphs. 309 */ 310 if ((error = scsipi_target_detach(chan, -1, -1, flags)) != 0) { 311 /* XXXSMP scsipi */ 312 KERNEL_UNLOCK_ONE(curlwp); 313 314 return error; 315 } 316 317 pmf_device_deregister(self); 318 319 /* 320 * Process outstanding commands (which will never complete as the 321 * controller is gone). 322 * 323 * XXX Surely this is redundant? If we get this far, the 324 * XXX peripherals have all been detached. 325 */ 326 for (ctarget = 0; ctarget < chan->chan_ntargets; ctarget++) { 327 if (ctarget == chan->chan_id) 328 continue; 329 for (clun = 0; clun < chan->chan_nluns; clun++) { 330 periph = scsipi_lookup_periph(chan, ctarget, clun); 331 if (periph == NULL) 332 continue; 333 TAILQ_FOREACH(xs, &periph->periph_xferq, device_q) { 334 callout_stop(&xs->xs_callout); 335 xs->error = XS_DRIVER_STUFFUP; 336 scsipi_done(xs); 337 } 338 } 339 } 340 341 /* 342 * Now shut down the channel. 343 */ 344 scsipi_channel_shutdown(chan); 345 346 /* XXXSMP scsipi */ 347 KERNEL_UNLOCK_ONE(curlwp); 348 349 return 0; 350 } 351 352 /* 353 * Probe the requested scsi bus. It must be already set up. 354 * target and lun optionally narrow the search if not -1 355 */ 356 int 357 scsi_probe_bus(struct scsibus_softc *sc, int target, int lun) 358 { 359 struct scsipi_channel *chan = sc->sc_channel; 360 int maxtarget, mintarget, maxlun, minlun; 361 int error; 362 363 /* XXXSMP scsipi */ 364 KERNEL_LOCK(1, curlwp); 365 366 if (target == -1) { 367 maxtarget = chan->chan_ntargets - 1; 368 mintarget = 0; 369 } else { 370 if (target < 0 || target >= chan->chan_ntargets) 371 return (EINVAL); 372 maxtarget = mintarget = target; 373 } 374 375 if (lun == -1) { 376 maxlun = chan->chan_nluns - 1; 377 minlun = 0; 378 } else { 379 if (lun < 0 || lun >= chan->chan_nluns) 380 return (EINVAL); 381 maxlun = minlun = lun; 382 } 383 384 /* 385 * Some HBAs provide an abstracted view of the bus; give them an 386 * oppertunity to re-scan it before we do. 387 */ 388 if (chan->chan_adapter->adapt_ioctl != NULL) 389 (*chan->chan_adapter->adapt_ioctl)(chan, SCBUSIOLLSCAN, NULL, 390 0, curproc); 391 392 if ((error = scsipi_adapter_addref(chan->chan_adapter)) != 0) 393 goto ret; 394 for (target = mintarget; target <= maxtarget; target++) { 395 if (target == chan->chan_id) 396 continue; 397 for (lun = minlun; lun <= maxlun; lun++) { 398 /* 399 * See if there's a device present, and configure it. 400 */ 401 if (scsi_probe_device(sc, target, lun) == 0) 402 break; 403 /* otherwise something says we should look further */ 404 } 405 406 /* 407 * Now that we've discovered all of the LUNs on this 408 * I_T Nexus, update the xfer mode for all of them 409 * that we know about. 410 */ 411 scsipi_set_xfer_mode(chan, target, 1); 412 } 413 scsipi_adapter_delref(chan->chan_adapter); 414 ret: 415 KERNEL_UNLOCK_ONE(curlwp); 416 return (error); 417 } 418 419 static int 420 scsibusrescan(device_t sc, const char *ifattr, 421 const int *locators) 422 { 423 424 KASSERT(ifattr && !strcmp(ifattr, "scsibus")); 425 KASSERT(locators); 426 427 return (scsi_probe_bus(device_private(sc), 428 locators[SCSIBUSCF_TARGET], locators[SCSIBUSCF_LUN])); 429 } 430 431 static void 432 scsidevdetached(device_t self, device_t child) 433 { 434 struct scsibus_softc *sc = device_private(self); 435 struct scsipi_channel *chan = sc->sc_channel; 436 struct scsipi_periph *periph; 437 int target, lun; 438 439 target = device_locator(child, SCSIBUSCF_TARGET); 440 lun = device_locator(child, SCSIBUSCF_LUN); 441 442 /* XXXSMP scsipi */ 443 KERNEL_LOCK(1, curlwp); 444 445 periph = scsipi_lookup_periph(chan, target, lun); 446 KASSERT(periph->periph_dev == child); 447 448 scsipi_remove_periph(chan, periph); 449 free(periph, M_DEVBUF); 450 451 /* XXXSMP scsipi */ 452 KERNEL_UNLOCK_ONE(curlwp); 453 } 454 455 /* 456 * Print out autoconfiguration information for a subdevice. 457 * 458 * This is a slight abuse of 'standard' autoconfiguration semantics, 459 * because 'print' functions don't normally print the colon and 460 * device information. However, in this case that's better than 461 * either printing redundant information before the attach message, 462 * or having the device driver call a special function to print out 463 * the standard device information. 464 */ 465 static int 466 scsibusprint(void *aux, const char *pnp) 467 { 468 struct scsipibus_attach_args *sa = aux; 469 struct scsipi_inquiry_pattern *inqbuf; 470 u_int8_t type; 471 const char *dtype; 472 char vendor[33], product[65], revision[17]; 473 int target, lun; 474 475 if (pnp != NULL) 476 aprint_normal("%s", pnp); 477 478 inqbuf = &sa->sa_inqbuf; 479 480 target = sa->sa_periph->periph_target; 481 lun = sa->sa_periph->periph_lun; 482 type = inqbuf->type & SID_TYPE; 483 484 dtype = scsipi_dtype(type); 485 486 scsipi_strvis(vendor, 33, inqbuf->vendor, 8); 487 scsipi_strvis(product, 65, inqbuf->product, 16); 488 scsipi_strvis(revision, 17, inqbuf->revision, 4); 489 490 aprint_normal(" target %d lun %d: <%s, %s, %s> %s %s", 491 target, lun, vendor, product, revision, dtype, 492 inqbuf->removable ? "removable" : "fixed"); 493 494 return (UNCONF); 495 } 496 497 static const struct scsi_quirk_inquiry_pattern scsi_quirk_patterns[] = { 498 {{T_DIRECT, T_REMOV, 499 "Apple ", "iPod ", ""}, PQUIRK_START}, 500 {{T_CDROM, T_REMOV, 501 "CHINON ", "CD-ROM CDS-431 ", ""}, PQUIRK_NOLUNS}, 502 {{T_CDROM, T_REMOV, 503 "CHINON ", "CD-ROM CDS-435 ", ""}, PQUIRK_NOLUNS}, 504 {{T_CDROM, T_REMOV, 505 "Chinon ", "CD-ROM CDS-525 ", ""}, PQUIRK_NOLUNS}, 506 {{T_CDROM, T_REMOV, 507 "CHINON ", "CD-ROM CDS-535 ", ""}, PQUIRK_NOLUNS}, 508 {{T_CDROM, T_REMOV, 509 "DEC ", "RRD42 (C) DEC ", ""}, PQUIRK_NOLUNS}, 510 {{T_CDROM, T_REMOV, 511 "DENON ", "DRD-25X ", "V"}, PQUIRK_NOLUNS}, 512 {{T_CDROM, T_REMOV, 513 "GENERIC ", "CRD-BP2 ", ""}, PQUIRK_NOLUNS}, 514 {{T_CDROM, T_REMOV, 515 "HP ", "C4324/C4325 ", ""}, PQUIRK_NOLUNS}, 516 {{T_CDROM, T_REMOV, 517 "IMS ", "CDD521/10 ", "2.06"}, PQUIRK_NOLUNS}, 518 {{T_CDROM, T_REMOV, 519 "MATSHITA", "CD-ROM CR-5XX ", "1.0b"}, PQUIRK_NOLUNS}, 520 {{T_CDROM, T_REMOV, 521 "MEDAVIS ", "RENO CD-ROMX2A ", ""}, PQUIRK_NOLUNS}, 522 {{T_CDROM, T_REMOV, 523 "MEDIAVIS", "CDR-H93MV ", "1.3"}, PQUIRK_NOLUNS}, 524 {{T_CDROM, T_REMOV, 525 "NEC ", "CD-ROM DRIVE:502", ""}, PQUIRK_NOLUNS}, 526 {{T_CDROM, T_REMOV, 527 "NEC ", "CD-ROM DRIVE:55 ", ""}, PQUIRK_NOLUNS}, 528 {{T_CDROM, T_REMOV, 529 "NEC ", "CD-ROM DRIVE:83 ", ""}, PQUIRK_NOLUNS}, 530 {{T_CDROM, T_REMOV, 531 "NEC ", "CD-ROM DRIVE:84 ", ""}, PQUIRK_NOLUNS}, 532 {{T_CDROM, T_REMOV, 533 "NEC ", "CD-ROM DRIVE:841", ""}, PQUIRK_NOLUNS}, 534 {{T_CDROM, T_REMOV, 535 "OLYMPUS ", "CDS620E ", "1.1d"}, 536 PQUIRK_NOLUNS|PQUIRK_NOSYNC|PQUIRK_NOCAPACITY}, 537 {{T_CDROM, T_REMOV, 538 "PIONEER ", "CD-ROM DR-124X ", "1.01"}, PQUIRK_NOLUNS}, 539 {{T_CDROM, T_REMOV, 540 "PLEXTOR ", "CD-ROM PX-4XCS ", "1.01"}, 541 PQUIRK_NOLUNS|PQUIRK_NOSYNC}, 542 {{T_CDROM, T_REMOV, 543 "SONY ", "CD-ROM CDU-541 ", ""}, PQUIRK_NOLUNS}, 544 {{T_CDROM, T_REMOV, 545 "SONY ", "CD-ROM CDU-55S ", ""}, PQUIRK_NOLUNS}, 546 {{T_CDROM, T_REMOV, 547 "SONY ", "CD-ROM CDU-561 ", ""}, PQUIRK_NOLUNS}, 548 {{T_CDROM, T_REMOV, 549 "SONY ", "CD-ROM CDU-76S", ""}, 550 PQUIRK_NOLUNS|PQUIRK_NOSYNC|PQUIRK_NOWIDE}, 551 {{T_CDROM, T_REMOV, 552 "SONY ", "CD-ROM CDU-8003A", ""}, PQUIRK_NOLUNS}, 553 {{T_CDROM, T_REMOV, 554 "SONY ", "CD-ROM CDU-8012 ", ""}, PQUIRK_NOLUNS}, 555 {{T_CDROM, T_REMOV, 556 "TEAC ", "CD-ROM ", "1.06"}, PQUIRK_NOLUNS}, 557 {{T_CDROM, T_REMOV, 558 "TEAC ", "CD-ROM CD-56S ", "1.0B"}, PQUIRK_NOLUNS}, 559 {{T_CDROM, T_REMOV, 560 "TEXEL ", "CD-ROM ", "1.06"}, PQUIRK_NOLUNS}, 561 {{T_CDROM, T_REMOV, 562 "TEXEL ", "CD-ROM DM-XX24 K", "1.09"}, PQUIRK_NOLUNS}, 563 {{T_CDROM, T_REMOV, 564 "TEXEL ", "CD-ROM DM-XX24 K", "1.10"}, PQUIRK_NOLUNS}, 565 {{T_CDROM, T_REMOV, 566 "TOSHIBA ", "XM-4101TASUNSLCD", ""}, PQUIRK_NOLUNS|PQUIRK_NOSYNC}, 567 /* "IBM CDRM00201 !F" 0724 is an IBM OEM Toshiba XM-4101BME */ 568 {{T_CDROM, T_REMOV, 569 "IBM ", "CDRM00201 !F", "0724"}, PQUIRK_NOLUNS|PQUIRK_NOSYNC}, 570 {{T_CDROM, T_REMOV, 571 "ShinaKen", "CD-ROM DM-3x1S", "1.04"}, PQUIRK_NOLUNS}, 572 {{T_CDROM, T_REMOV, 573 "JVC ", "R2626", ""}, PQUIRK_NOLUNS}, 574 {{T_CDROM, T_REMOV, 575 "YAMAHA", "CRW8424S", ""}, PQUIRK_NOLUNS}, 576 {{T_CDROM, T_REMOV, 577 "NEC ", "CD-ROM DRIVE:222", ""}, PQUIRK_NOLUNS|PQUIRK_NOSYNC}, 578 579 {{T_DIRECT, T_FIXED, 580 "MICROP ", "1588-15MBSUN0669", ""}, PQUIRK_AUTOSAVE}, 581 {{T_DIRECT, T_FIXED, 582 "MICROP ", "2217-15MQ1091501", ""}, PQUIRK_NOSYNCCACHE}, 583 {{T_OPTICAL, T_REMOV, 584 "EPSON ", "OMD-5010 ", "3.08"}, PQUIRK_NOLUNS}, 585 {{T_DIRECT, T_FIXED, 586 "ADAPTEC ", "AEC-4412BD", "1.2A"}, PQUIRK_NOMODESENSE}, 587 {{T_DIRECT, T_FIXED, 588 "ADAPTEC ", "ACB-4000", ""}, PQUIRK_FORCELUNS|PQUIRK_AUTOSAVE|PQUIRK_NOMODESENSE}, 589 {{T_DIRECT, T_FIXED, 590 "DEC ", "RZ55 (C) DEC", ""}, PQUIRK_AUTOSAVE}, 591 {{T_DIRECT, T_FIXED, 592 "EMULEX ", "MD21/S2 ESDI", "A00"}, 593 PQUIRK_FORCELUNS|PQUIRK_AUTOSAVE}, 594 {{T_DIRECT, T_FIXED, 595 "MICROP", "1548-15MZ1077801", "HZ2P"}, PQUIRK_NOTAG}, 596 {{T_DIRECT, T_FIXED, 597 "HP ", "C372", ""}, PQUIRK_NOTAG}, 598 {{T_DIRECT, T_FIXED, 599 "IBMRAID ", "0662S", ""}, PQUIRK_AUTOSAVE}, 600 {{T_DIRECT, T_FIXED, 601 "IBM ", "0663H", ""}, PQUIRK_AUTOSAVE}, 602 {{T_DIRECT, T_FIXED, 603 "IBM", "0664", ""}, PQUIRK_AUTOSAVE}, 604 {{T_DIRECT, T_FIXED, 605 /* improperly report DT-only sync mode */ 606 "IBM ", "DXHS36D", ""}, 607 PQUIRK_CAP_SYNC|PQUIRK_CAP_WIDE16}, 608 {{T_DIRECT, T_FIXED, 609 "IBM ", "DXHS18Y", ""}, 610 PQUIRK_CAP_SYNC|PQUIRK_CAP_WIDE16}, 611 {{T_DIRECT, T_FIXED, 612 "IBM ", "H3171-S2", ""}, 613 PQUIRK_NOLUNS|PQUIRK_AUTOSAVE}, 614 {{T_DIRECT, T_FIXED, 615 "IBM ", "KZ-C", ""}, PQUIRK_AUTOSAVE}, 616 /* Broken IBM disk */ 617 {{T_DIRECT, T_FIXED, 618 "" , "DFRSS2F", ""}, PQUIRK_AUTOSAVE}, 619 {{T_DIRECT, T_FIXED, 620 "Initio ", "", ""}, PQUIRK_NOBIGMODESENSE}, 621 {{T_DIRECT, T_REMOV, 622 "MPL ", "MC-DISK- ", ""}, PQUIRK_NOLUNS}, 623 {{T_DIRECT, T_FIXED, 624 "MAXTOR ", "XT-3280 ", ""}, PQUIRK_NOLUNS}, 625 {{T_DIRECT, T_FIXED, 626 "MAXTOR ", "XT-4380S ", ""}, PQUIRK_NOLUNS}, 627 {{T_DIRECT, T_FIXED, 628 "MAXTOR ", "MXT-1240S ", ""}, PQUIRK_NOLUNS}, 629 {{T_DIRECT, T_FIXED, 630 "MAXTOR ", "XT-4170S ", ""}, PQUIRK_NOLUNS}, 631 {{T_DIRECT, T_FIXED, 632 "MAXTOR ", "XT-8760S", ""}, PQUIRK_NOLUNS}, 633 {{T_DIRECT, T_FIXED, 634 "MAXTOR ", "LXT-213S ", ""}, PQUIRK_NOLUNS}, 635 {{T_DIRECT, T_FIXED, 636 "MAXTOR ", "LXT-213S SUN0207", ""}, PQUIRK_NOLUNS}, 637 {{T_DIRECT, T_FIXED, 638 "MAXTOR ", "LXT-200S ", ""}, PQUIRK_NOLUNS}, 639 {{T_DIRECT, T_FIXED, 640 "MEGADRV ", "EV1000", ""}, PQUIRK_NOMODESENSE}, 641 {{T_DIRECT, T_FIXED, 642 "MICROP", "1991-27MZ", ""}, PQUIRK_NOTAG}, 643 {{T_DIRECT, T_FIXED, 644 "MST ", "SnapLink ", ""}, PQUIRK_NOLUNS}, 645 {{T_DIRECT, T_FIXED, 646 "NEC ", "D3847 ", "0307"}, PQUIRK_NOLUNS}, 647 {{T_DIRECT, T_FIXED, 648 "QUANTUM ", "ELS85S ", ""}, PQUIRK_AUTOSAVE}, 649 {{T_DIRECT, T_FIXED, 650 "QUANTUM ", "LPS525S ", ""}, PQUIRK_NOLUNS}, 651 {{T_DIRECT, T_FIXED, 652 "QUANTUM ", "P105S 910-10-94x", ""}, PQUIRK_NOLUNS}, 653 {{T_DIRECT, T_FIXED, 654 "QUANTUM ", "PD1225S ", ""}, PQUIRK_NOLUNS}, 655 {{T_DIRECT, T_FIXED, 656 "QUANTUM ", "PD210S SUN0207", ""}, PQUIRK_NOLUNS}, 657 {{T_DIRECT, T_FIXED, 658 "QUANTUM ", "ATLAS IV 9 WLS", "0A0A"}, PQUIRK_CAP_NODT}, 659 {{T_DIRECT, T_FIXED, 660 "RODIME ", "RO3000S ", ""}, PQUIRK_NOLUNS}, 661 {{T_DIRECT, T_FIXED, 662 "SEAGATE ", "ST125N ", ""}, PQUIRK_NOLUNS}, 663 {{T_DIRECT, T_FIXED, 664 "SEAGATE ", "ST157N ", ""}, PQUIRK_NOLUNS}, 665 {{T_DIRECT, T_FIXED, 666 "SEAGATE ", "ST296 ", ""}, PQUIRK_NOLUNS}, 667 {{T_DIRECT, T_FIXED, 668 "SEAGATE ", "ST296N ", ""}, PQUIRK_NOLUNS}, 669 {{T_DIRECT, T_FIXED, 670 "SEAGATE ", "ST318404LC ", ""}, PQUIRK_NOLUNS}, 671 {{T_DIRECT, T_FIXED, 672 "SEAGATE ", "ST15150N ", ""}, PQUIRK_NOTAG}, 673 {{T_DIRECT, T_FIXED, 674 "SEAGATE ", "ST19171", ""}, PQUIRK_NOMODESENSE}, 675 {{T_DIRECT, T_FIXED, 676 "SEAGATE ", "ST32430N", ""}, PQUIRK_CAP_SYNC}, 677 {{T_DIRECT, T_FIXED, 678 "SEAGATE ", "ST34501FC ", ""}, PQUIRK_NOMODESENSE}, 679 {{T_DIRECT, T_FIXED, 680 "SEAGATE ", "SX910800N", ""}, PQUIRK_NOTAG}, 681 {{T_DIRECT, T_FIXED, 682 "TOSHIBA ", "MK538FB ", "6027"}, PQUIRK_NOLUNS}, 683 {{T_DIRECT, T_FIXED, 684 "MICROP ", "1924", ""}, PQUIRK_CAP_SYNC}, 685 {{T_DIRECT, T_FIXED, 686 "FUJITSU ", "M2266", ""}, PQUIRK_CAP_SYNC}, 687 {{T_DIRECT, T_FIXED, 688 "FUJITSU ", "M2624S-512 ", ""}, PQUIRK_CAP_SYNC}, 689 {{T_DIRECT, T_FIXED, 690 "SEAGATE ", "SX336704LC" , ""}, PQUIRK_CAP_SYNC | PQUIRK_CAP_WIDE16}, 691 {{T_DIRECT, T_FIXED, 692 "SEAGATE ", "SX173404LC", ""}, PQUIRK_CAP_SYNC | PQUIRK_CAP_WIDE16}, 693 694 {{T_DIRECT, T_REMOV, 695 "IOMEGA", "ZIP 100", "J.03"}, PQUIRK_NOLUNS|PQUIRK_NOSYNC}, 696 {{T_DIRECT, T_REMOV, 697 "INSITE", "I325VM", ""}, PQUIRK_NOLUNS}, 698 699 /* XXX: QIC-36 tape behind Emulex adapter. Very broken. */ 700 {{T_SEQUENTIAL, T_REMOV, 701 " ", " ", " "}, PQUIRK_NOLUNS}, 702 {{T_SEQUENTIAL, T_REMOV, 703 "EMULEX ", "MT-02 QIC ", ""}, PQUIRK_NOLUNS}, 704 {{T_SEQUENTIAL, T_REMOV, 705 "CALIPER ", "CP150 ", ""}, PQUIRK_NOLUNS}, 706 {{T_SEQUENTIAL, T_REMOV, 707 "EXABYTE ", "EXB-8200 ", ""}, PQUIRK_NOLUNS}, 708 {{T_SEQUENTIAL, T_REMOV, 709 "SONY ", "GY-10C ", ""}, PQUIRK_NOLUNS}, 710 {{T_SEQUENTIAL, T_REMOV, 711 "SONY ", "SDT-2000 ", "2.09"}, PQUIRK_NOLUNS}, 712 {{T_SEQUENTIAL, T_REMOV, 713 "SONY ", "SDT-5000 ", "3."}, PQUIRK_NOSYNC|PQUIRK_NOWIDE}, 714 {{T_SEQUENTIAL, T_REMOV, 715 "SONY ", "SDT-5200 ", "3."}, PQUIRK_NOLUNS}, 716 {{T_SEQUENTIAL, T_REMOV, 717 "TANDBERG", " TDC 3600 ", ""}, PQUIRK_NOLUNS}, 718 /* Following entry reported as a Tandberg 3600; ref. PR1933 */ 719 {{T_SEQUENTIAL, T_REMOV, 720 "ARCHIVE ", "VIPER 150 21247", ""}, PQUIRK_NOLUNS}, 721 /* Following entry for a Cipher ST150S; ref. PR4171 */ 722 {{T_SEQUENTIAL, T_REMOV, 723 "ARCHIVE ", "VIPER 1500 21247", "2.2G"}, PQUIRK_NOLUNS}, 724 {{T_SEQUENTIAL, T_REMOV, 725 "ARCHIVE ", "Python 28454-XXX", ""}, PQUIRK_NOLUNS}, 726 {{T_SEQUENTIAL, T_REMOV, 727 "WANGTEK ", "5099ES SCSI", ""}, PQUIRK_NOLUNS}, 728 {{T_SEQUENTIAL, T_REMOV, 729 "WANGTEK ", "5150ES SCSI", ""}, PQUIRK_NOLUNS}, 730 {{T_SEQUENTIAL, T_REMOV, 731 "WANGTEK ", "SCSI-36", ""}, PQUIRK_NOLUNS}, 732 {{T_SEQUENTIAL, T_REMOV, 733 "WangDAT ", "Model 1300 ", "02.4"}, PQUIRK_NOSYNC|PQUIRK_NOWIDE}, 734 {{T_SEQUENTIAL, T_REMOV, 735 "WangDAT ", "Model 2600 ", "01.7"}, PQUIRK_NOSYNC|PQUIRK_NOWIDE}, 736 {{T_SEQUENTIAL, T_REMOV, 737 "WangDAT ", "Model 3200 ", "02.2"}, PQUIRK_NOSYNC|PQUIRK_NOWIDE}, 738 {{T_SEQUENTIAL, T_REMOV, 739 "TEAC ", "MT-2ST/N50 ", ""}, PQUIRK_NOLUNS}, 740 741 {{T_SCANNER, T_FIXED, 742 "RICOH ", "IS60 ", "1R08"}, PQUIRK_NOLUNS}, 743 {{T_SCANNER, T_FIXED, 744 "UMAX ", "Astra 1200S ", "V2.9"}, PQUIRK_NOLUNS}, 745 {{T_SCANNER, T_FIXED, 746 "UMAX ", "Astra 1220S ", ""}, PQUIRK_NOLUNS}, 747 {{T_SCANNER, T_FIXED, 748 "UMAX ", "UMAX S-6E ", "V2.0"}, PQUIRK_NOLUNS}, 749 {{T_SCANNER, T_FIXED, 750 "UMAX ", "UMAX S-12 ", "V2.1"}, PQUIRK_NOLUNS}, 751 {{T_SCANNER, T_FIXED, 752 "ULTIMA ", "A6000C ", ""}, PQUIRK_NOLUNS}, 753 {{T_PROCESSOR, T_FIXED, 754 "ESG-SHV", "SCA HSBP M15", ""}, PQUIRK_NOLUNS}, 755 {{T_PROCESSOR, T_FIXED, 756 "SYMBIOS", "", ""}, PQUIRK_NOLUNS}, 757 {{T_PROCESSOR, T_FIXED, 758 "LITRONIC", "PCMCIA ", ""}, PQUIRK_NOLUNS}, 759 {{T_CHANGER, T_REMOV, 760 "SONY ", "CDL1100 ", ""}, PQUIRK_NOLUNS}, 761 {{T_ENCLOSURE, T_FIXED, 762 "SUN ", "SENA ", ""}, PQUIRK_NOLUNS}, 763 }; 764 765 /* 766 * given a target and lun, ask the device what 767 * it is, and find the correct driver table 768 * entry. 769 */ 770 static int 771 scsi_probe_device(struct scsibus_softc *sc, int target, int lun) 772 { 773 struct scsipi_channel *chan = sc->sc_channel; 774 struct scsipi_periph *periph; 775 struct scsipi_inquiry_data inqbuf; 776 const struct scsi_quirk_inquiry_pattern *finger; 777 int checkdtype, priority, docontinue, quirks; 778 struct scsipibus_attach_args sa; 779 cfdata_t cf; 780 int locs[SCSIBUSCF_NLOCS]; 781 device_t chld; 782 783 /* 784 * Assume no more luns to search after this one. 785 * If we successfully get Inquiry data and after 786 * merging quirks we find we can probe for more 787 * luns, we will. 788 */ 789 docontinue = 0; 790 791 /* Skip this slot if it is already attached. */ 792 if (scsipi_lookup_periph(chan, target, lun) != NULL) 793 return (docontinue); 794 795 periph = scsipi_alloc_periph(M_NOWAIT); 796 if (periph == NULL) { 797 #ifdef DIAGNOSTIC 798 aprint_error_dev(sc->sc_dev, 799 "cannot allocate periph for target %d lun %d\n", 800 target, lun); 801 #endif 802 return (ENOMEM); 803 } 804 periph->periph_channel = chan; 805 periph->periph_switch = &scsi_probe_dev; 806 807 periph->periph_target = target; 808 periph->periph_lun = lun; 809 periph->periph_quirks = chan->chan_defquirks; 810 811 #ifdef SCSIPI_DEBUG 812 if (SCSIPI_DEBUG_TYPE == SCSIPI_BUSTYPE_SCSI && 813 SCSIPI_DEBUG_TARGET == target && 814 SCSIPI_DEBUG_LUN == lun) 815 periph->periph_dbflags |= SCSIPI_DEBUG_FLAGS; 816 #endif 817 818 /* 819 * Ask the device what it is 820 */ 821 822 #ifdef SCSI_2_DEF 823 /* some devices need to be told to go to SCSI2 */ 824 /* However some just explode if you tell them this.. leave it out */ 825 scsi_change_def(periph, XS_CTL_DISCOVERY | XS_CTL_SILENT); 826 #endif /* SCSI_2_DEF */ 827 828 /* Now go ask the device all about itself. */ 829 memset(&inqbuf, 0, sizeof(inqbuf)); 830 { 831 u_int8_t *extension = &inqbuf.flags1; 832 int len = 0; 833 while (len < 3) 834 extension[len++] = '\0'; 835 while (len < 3 + 28) 836 extension[len++] = ' '; 837 while (len < 3 + 28 + 20) 838 extension[len++] = '\0'; 839 while (len < 3 + 28 + 20 + 1) 840 extension[len++] = '\0'; 841 while (len < 3 + 28 + 20 + 1 + 1) 842 extension[len++] = '\0'; 843 while (len < 3 + 28 + 20 + 1 + 1 + (8*2)) 844 extension[len++] = ' '; 845 } 846 if (scsipi_inquire(periph, &inqbuf, XS_CTL_DISCOVERY | XS_CTL_SILENT)) 847 goto bad; 848 849 periph->periph_type = inqbuf.device & SID_TYPE; 850 if (inqbuf.dev_qual2 & SID_REMOVABLE) 851 periph->periph_flags |= PERIPH_REMOVABLE; 852 periph->periph_version = inqbuf.version & SID_ANSII; 853 854 /* 855 * Any device qualifier that has the top bit set (qualifier&4 != 0) 856 * is vendor specific and won't match in this switch. 857 * All we do here is throw out bad/negative responses. 858 */ 859 checkdtype = 0; 860 switch (inqbuf.device & SID_QUAL) { 861 case SID_QUAL_LU_PRESENT: 862 checkdtype = 1; 863 break; 864 865 case SID_QUAL_LU_NOTPRESENT: 866 case SID_QUAL_reserved: 867 case SID_QUAL_LU_NOT_SUPP: 868 goto bad; 869 870 default: 871 break; 872 } 873 874 /* Let the adapter driver handle the device separatley if it wants. */ 875 if (chan->chan_adapter->adapt_accesschk != NULL && 876 (*chan->chan_adapter->adapt_accesschk)(periph, &sa.sa_inqbuf)) 877 goto bad; 878 879 if (checkdtype) { 880 switch (periph->periph_type) { 881 case T_DIRECT: 882 case T_SEQUENTIAL: 883 case T_PRINTER: 884 case T_PROCESSOR: 885 case T_WORM: 886 case T_CDROM: 887 case T_SCANNER: 888 case T_OPTICAL: 889 case T_CHANGER: 890 case T_COMM: 891 case T_IT8_1: 892 case T_IT8_2: 893 case T_STORARRAY: 894 case T_ENCLOSURE: 895 case T_SIMPLE_DIRECT: 896 case T_OPTIC_CARD_RW: 897 case T_OBJECT_STORED: 898 default: 899 break; 900 case T_NODEVICE: 901 goto bad; 902 } 903 } 904 905 sa.sa_periph = periph; 906 sa.sa_inqbuf.type = inqbuf.device; 907 sa.sa_inqbuf.removable = inqbuf.dev_qual2 & SID_REMOVABLE ? 908 T_REMOV : T_FIXED; 909 sa.sa_inqbuf.vendor = inqbuf.vendor; 910 sa.sa_inqbuf.product = inqbuf.product; 911 sa.sa_inqbuf.revision = inqbuf.revision; 912 sa.scsipi_info.scsi_version = inqbuf.version; 913 sa.sa_inqptr = &inqbuf; 914 915 finger = scsipi_inqmatch( 916 &sa.sa_inqbuf, scsi_quirk_patterns, 917 sizeof(scsi_quirk_patterns)/sizeof(scsi_quirk_patterns[0]), 918 sizeof(scsi_quirk_patterns[0]), &priority); 919 920 if (finger != NULL) 921 quirks = finger->quirks; 922 else 923 quirks = 0; 924 925 /* 926 * Determine the operating mode capabilities of the device. 927 */ 928 if (periph->periph_version >= 2) { 929 if ((inqbuf.flags3 & SID_CmdQue) != 0 && 930 (quirks & PQUIRK_NOTAG) == 0) 931 periph->periph_cap |= PERIPH_CAP_TQING; 932 if ((inqbuf.flags3 & SID_Linked) != 0) 933 periph->periph_cap |= PERIPH_CAP_LINKCMDS; 934 if ((inqbuf.flags3 & SID_Sync) != 0 && 935 (quirks & PQUIRK_NOSYNC) == 0) 936 periph->periph_cap |= PERIPH_CAP_SYNC; 937 if ((inqbuf.flags3 & SID_WBus16) != 0 && 938 (quirks & PQUIRK_NOWIDE) == 0) 939 periph->periph_cap |= PERIPH_CAP_WIDE16; 940 if ((inqbuf.flags3 & SID_WBus32) != 0 && 941 (quirks & PQUIRK_NOWIDE) == 0) 942 periph->periph_cap |= PERIPH_CAP_WIDE32; 943 if ((inqbuf.flags3 & SID_SftRe) != 0) 944 periph->periph_cap |= PERIPH_CAP_SFTRESET; 945 if ((inqbuf.flags3 & SID_RelAdr) != 0) 946 periph->periph_cap |= PERIPH_CAP_RELADR; 947 /* SPC-2 */ 948 if (periph->periph_version >= 3 && 949 !(quirks & PQUIRK_CAP_NODT)){ 950 /* 951 * Report ST clocking though CAP_WIDExx/CAP_SYNC. 952 * If the device only supports DT, clear these 953 * flags (DT implies SYNC and WIDE) 954 */ 955 switch (inqbuf.flags4 & SID_Clocking) { 956 case SID_CLOCKING_DT_ONLY: 957 periph->periph_cap &= 958 ~(PERIPH_CAP_SYNC | 959 PERIPH_CAP_WIDE16 | 960 PERIPH_CAP_WIDE32); 961 /* FALLTHROUGH */ 962 case SID_CLOCKING_SD_DT: 963 periph->periph_cap |= PERIPH_CAP_DT; 964 break; 965 default: /* ST only or invalid */ 966 /* nothing to do */ 967 break; 968 } 969 } 970 if (periph->periph_version >= 3) { 971 if (inqbuf.flags4 & SID_IUS) 972 periph->periph_cap |= PERIPH_CAP_IUS; 973 if (inqbuf.flags4 & SID_QAS) 974 periph->periph_cap |= PERIPH_CAP_QAS; 975 } 976 } 977 if (quirks & PQUIRK_CAP_SYNC) 978 periph->periph_cap |= PERIPH_CAP_SYNC; 979 if (quirks & PQUIRK_CAP_WIDE16) 980 periph->periph_cap |= PERIPH_CAP_WIDE16; 981 982 /* 983 * Now apply any quirks from the table. 984 */ 985 periph->periph_quirks |= quirks; 986 if (periph->periph_version == 0 && 987 (periph->periph_quirks & PQUIRK_FORCELUNS) == 0) 988 periph->periph_quirks |= PQUIRK_NOLUNS; 989 990 if ((periph->periph_quirks & PQUIRK_NOLUNS) == 0) 991 docontinue = 1; 992 993 locs[SCSIBUSCF_TARGET] = target; 994 locs[SCSIBUSCF_LUN] = lun; 995 996 if ((cf = config_search_loc(config_stdsubmatch, sc->sc_dev, 997 "scsibus", locs, &sa)) != NULL) { 998 scsipi_insert_periph(chan, periph); 999 /* 1000 * XXX Can't assign periph_dev here, because we'll 1001 * XXX need it before config_attach() returns. Must 1002 * XXX assign it in periph driver. 1003 */ 1004 chld = config_attach_loc(sc->sc_dev, cf, locs, &sa, 1005 scsibusprint); 1006 } else { 1007 scsibusprint(&sa, device_xname(sc->sc_dev)); 1008 aprint_normal(" not configured\n"); 1009 goto bad; 1010 } 1011 1012 return (docontinue); 1013 1014 bad: 1015 free(periph, M_DEVBUF); 1016 return (docontinue); 1017 } 1018 1019 /****** Entry points for user control of the SCSI bus. ******/ 1020 1021 static int 1022 scsibusopen(dev_t dev, int flag, int fmt, 1023 struct lwp *l) 1024 { 1025 struct scsibus_softc *sc; 1026 int error, unit = minor(dev); 1027 1028 sc = device_lookup_private(&scsibus_cd, unit); 1029 if (sc == NULL) 1030 return (ENXIO); 1031 1032 if (sc->sc_flags & SCSIBUSF_OPEN) 1033 return (EBUSY); 1034 1035 if ((error = scsipi_adapter_addref(sc->sc_channel->chan_adapter)) != 0) 1036 return (error); 1037 1038 sc->sc_flags |= SCSIBUSF_OPEN; 1039 1040 return (0); 1041 } 1042 1043 static int 1044 scsibusclose(dev_t dev, int flag, int fmt, 1045 struct lwp *l) 1046 { 1047 struct scsibus_softc *sc; 1048 1049 sc = device_lookup_private(&scsibus_cd, minor(dev)); 1050 scsipi_adapter_delref(sc->sc_channel->chan_adapter); 1051 1052 sc->sc_flags &= ~SCSIBUSF_OPEN; 1053 1054 return (0); 1055 } 1056 1057 static int 1058 scsibusioctl(dev_t dev, u_long cmd, void *addr, int flag, struct lwp *l) 1059 { 1060 struct scsibus_softc *sc; 1061 struct scsipi_channel *chan; 1062 int error; 1063 1064 sc = device_lookup_private(&scsibus_cd, minor(dev)); 1065 chan = sc->sc_channel; 1066 1067 /* 1068 * Enforce write permission for ioctls that change the 1069 * state of the bus. Host adapter specific ioctls must 1070 * be checked by the adapter driver. 1071 */ 1072 switch (cmd) { 1073 case SCBUSIOSCAN: 1074 case SCBUSIODETACH: 1075 case SCBUSIORESET: 1076 if ((flag & FWRITE) == 0) 1077 return (EBADF); 1078 } 1079 1080 switch (cmd) { 1081 case SCBUSIOSCAN: 1082 { 1083 struct scbusioscan_args *a = 1084 (struct scbusioscan_args *)addr; 1085 1086 error = scsi_probe_bus(sc, a->sa_target, a->sa_lun); 1087 break; 1088 } 1089 1090 case SCBUSIODETACH: 1091 { 1092 struct scbusiodetach_args *a = 1093 (struct scbusiodetach_args *)addr; 1094 1095 error = scsipi_target_detach(chan, a->sa_target, a->sa_lun, 0); 1096 break; 1097 } 1098 1099 1100 case SCBUSIORESET: 1101 /* FALLTHROUGH */ 1102 default: 1103 if (chan->chan_adapter->adapt_ioctl == NULL) 1104 error = ENOTTY; 1105 else 1106 error = (*chan->chan_adapter->adapt_ioctl)(chan, 1107 cmd, addr, flag, l->l_proc); 1108 break; 1109 } 1110 1111 return (error); 1112 } 1113
Indexes created Wed Sep 24 05:09:52 GMT 2025