scsiconf.c revision 1.267
1 /* $NetBSD: scsiconf.c,v 1.267 2012/04/20 20:23:21 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 1.267 2012/04/20 20:23:21 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 if (scsipi_adapter_addref(chan->chan_adapter)) 217 return; 218 219 RUN_ONCE(&scsi_conf_ctrl, scsibus_init); 220 221 /* Initialize the channel structure first */ 222 chan->chan_init_cb = scsibus_config; 223 chan->chan_init_cb_arg = sc; 224 225 scsi_initq = malloc(sizeof(struct scsi_initq), M_DEVBUF, M_WAITOK); 226 scsi_initq->sc_channel = chan; 227 TAILQ_INSERT_TAIL(&scsi_initq_head, scsi_initq, scsi_initq); 228 config_pending_incr(); 229 if (scsipi_channel_init(chan)) { 230 aprint_error_dev(sc->sc_dev, "failed to init channel\n"); 231 return; 232 } 233 } 234 235 static void 236 scsibus_config(struct scsipi_channel *chan, void *arg) 237 { 238 struct scsibus_softc *sc = arg; 239 struct scsi_initq *scsi_initq; 240 241 #ifndef SCSI_DELAY 242 #define SCSI_DELAY 2 243 #endif 244 if ((chan->chan_flags & SCSIPI_CHAN_NOSETTLE) == 0 && 245 SCSI_DELAY > 0) { 246 aprint_normal_dev(sc->sc_dev, 247 "waiting %d seconds for devices to settle...\n", 248 SCSI_DELAY); 249 /* ...an identifier we know no one will use... */ 250 (void) tsleep(scsibus_config, PRIBIO, 251 "scsidly", SCSI_DELAY * hz); 252 } 253 254 /* Make sure the devices probe in scsibus order to avoid jitter. */ 255 mutex_enter(&scsibus_qlock); 256 for (;;) { 257 scsi_initq = TAILQ_FIRST(&scsi_initq_head); 258 if (scsi_initq->sc_channel == chan) 259 break; 260 cv_wait(&scsibus_qcv, &scsibus_qlock); 261 } 262 mutex_exit(&scsibus_qlock); 263 264 scsi_probe_bus(sc, -1, -1); 265 266 mutex_enter(&scsibus_qlock); 267 TAILQ_REMOVE(&scsi_initq_head, scsi_initq, scsi_initq); 268 cv_broadcast(&scsibus_qcv); 269 mutex_exit(&scsibus_qlock); 270 271 free(scsi_initq, M_DEVBUF); 272 273 scsipi_adapter_delref(chan->chan_adapter); 274 275 config_pending_decr(); 276 } 277 278 static int 279 scsibusdetach(device_t self, int flags) 280 { 281 struct scsibus_softc *sc = device_private(self); 282 struct scsipi_channel *chan = sc->sc_channel; 283 struct scsipi_periph *periph; 284 int ctarget, clun; 285 struct scsipi_xfer *xs; 286 int error; 287 288 /* XXXSMP scsipi */ 289 KERNEL_LOCK(1, curlwp); 290 291 /* 292 * Detach all of the periphs. 293 */ 294 if ((error = scsipi_target_detach(chan, -1, -1, flags)) != 0) { 295 /* XXXSMP scsipi */ 296 KERNEL_UNLOCK_ONE(curlwp); 297 298 return error; 299 } 300 301 pmf_device_deregister(self); 302 303 /* 304 * Process outstanding commands (which will never complete as the 305 * controller is gone). 306 * 307 * XXX Surely this is redundant? If we get this far, the 308 * XXX peripherals have all been detached. 309 */ 310 for (ctarget = 0; ctarget < chan->chan_ntargets; ctarget++) { 311 if (ctarget == chan->chan_id) 312 continue; 313 for (clun = 0; clun < chan->chan_nluns; clun++) { 314 periph = scsipi_lookup_periph(chan, ctarget, clun); 315 if (periph == NULL) 316 continue; 317 TAILQ_FOREACH(xs, &periph->periph_xferq, device_q) { 318 callout_stop(&xs->xs_callout); 319 xs->error = XS_DRIVER_STUFFUP; 320 scsipi_done(xs); 321 } 322 } 323 } 324 325 /* 326 * Now shut down the channel. 327 */ 328 scsipi_channel_shutdown(chan); 329 330 /* XXXSMP scsipi */ 331 KERNEL_UNLOCK_ONE(curlwp); 332 333 return 0; 334 } 335 336 /* 337 * Probe the requested scsi bus. It must be already set up. 338 * target and lun optionally narrow the search if not -1 339 */ 340 int 341 scsi_probe_bus(struct scsibus_softc *sc, int target, int lun) 342 { 343 struct scsipi_channel *chan = sc->sc_channel; 344 int maxtarget, mintarget, maxlun, minlun; 345 int error; 346 347 if (target == -1) { 348 maxtarget = chan->chan_ntargets - 1; 349 mintarget = 0; 350 } else { 351 if (target < 0 || target >= chan->chan_ntargets) 352 return (EINVAL); 353 maxtarget = mintarget = target; 354 } 355 356 if (lun == -1) { 357 maxlun = chan->chan_nluns - 1; 358 minlun = 0; 359 } else { 360 if (lun < 0 || lun >= chan->chan_nluns) 361 return (EINVAL); 362 maxlun = minlun = lun; 363 } 364 365 /* 366 * Some HBAs provide an abstracted view of the bus; give them an 367 * oppertunity to re-scan it before we do. 368 */ 369 if (chan->chan_adapter->adapt_ioctl != NULL) 370 (*chan->chan_adapter->adapt_ioctl)(chan, SCBUSIOLLSCAN, NULL, 371 0, curproc); 372 373 if ((error = scsipi_adapter_addref(chan->chan_adapter)) != 0) 374 return (error); 375 for (target = mintarget; target <= maxtarget; target++) { 376 if (target == chan->chan_id) 377 continue; 378 for (lun = minlun; lun <= maxlun; lun++) { 379 /* 380 * See if there's a device present, and configure it. 381 */ 382 if (scsi_probe_device(sc, target, lun) == 0) 383 break; 384 /* otherwise something says we should look further */ 385 } 386 387 /* 388 * Now that we've discovered all of the LUNs on this 389 * I_T Nexus, update the xfer mode for all of them 390 * that we know about. 391 */ 392 scsipi_set_xfer_mode(chan, target, 1); 393 } 394 scsipi_adapter_delref(chan->chan_adapter); 395 return (0); 396 } 397 398 static int 399 scsibusrescan(device_t sc, const char *ifattr, 400 const int *locators) 401 { 402 403 KASSERT(ifattr && !strcmp(ifattr, "scsibus")); 404 KASSERT(locators); 405 406 return (scsi_probe_bus(device_private(sc), 407 locators[SCSIBUSCF_TARGET], locators[SCSIBUSCF_LUN])); 408 } 409 410 static void 411 scsidevdetached(device_t self, device_t child) 412 { 413 struct scsibus_softc *sc = device_private(self); 414 struct scsipi_channel *chan = sc->sc_channel; 415 struct scsipi_periph *periph; 416 int target, lun; 417 418 target = device_locator(child, SCSIBUSCF_TARGET); 419 lun = device_locator(child, SCSIBUSCF_LUN); 420 421 /* XXXSMP scsipi */ 422 KERNEL_LOCK(1, curlwp); 423 424 periph = scsipi_lookup_periph(chan, target, lun); 425 KASSERT(periph->periph_dev == child); 426 427 scsipi_remove_periph(chan, periph); 428 free(periph, M_DEVBUF); 429 430 /* XXXSMP scsipi */ 431 KERNEL_UNLOCK_ONE(curlwp); 432 } 433 434 /* 435 * Print out autoconfiguration information for a subdevice. 436 * 437 * This is a slight abuse of 'standard' autoconfiguration semantics, 438 * because 'print' functions don't normally print the colon and 439 * device information. However, in this case that's better than 440 * either printing redundant information before the attach message, 441 * or having the device driver call a special function to print out 442 * the standard device information. 443 */ 444 static int 445 scsibusprint(void *aux, const char *pnp) 446 { 447 struct scsipibus_attach_args *sa = aux; 448 struct scsipi_inquiry_pattern *inqbuf; 449 u_int8_t type; 450 const char *dtype; 451 char vendor[33], product[65], revision[17]; 452 int target, lun; 453 454 if (pnp != NULL) 455 aprint_normal("%s", pnp); 456 457 inqbuf = &sa->sa_inqbuf; 458 459 target = sa->sa_periph->periph_target; 460 lun = sa->sa_periph->periph_lun; 461 type = inqbuf->type & SID_TYPE; 462 463 dtype = scsipi_dtype(type); 464 465 scsipi_strvis(vendor, 33, inqbuf->vendor, 8); 466 scsipi_strvis(product, 65, inqbuf->product, 16); 467 scsipi_strvis(revision, 17, inqbuf->revision, 4); 468 469 aprint_normal(" target %d lun %d: <%s, %s, %s> %s %s", 470 target, lun, vendor, product, revision, dtype, 471 inqbuf->removable ? "removable" : "fixed"); 472 473 return (UNCONF); 474 } 475 476 static const struct scsi_quirk_inquiry_pattern scsi_quirk_patterns[] = { 477 {{T_DIRECT, T_REMOV, 478 "Apple ", "iPod ", ""}, PQUIRK_START}, 479 {{T_CDROM, T_REMOV, 480 "CHINON ", "CD-ROM CDS-431 ", ""}, PQUIRK_NOLUNS}, 481 {{T_CDROM, T_REMOV, 482 "CHINON ", "CD-ROM CDS-435 ", ""}, PQUIRK_NOLUNS}, 483 {{T_CDROM, T_REMOV, 484 "Chinon ", "CD-ROM CDS-525 ", ""}, PQUIRK_NOLUNS}, 485 {{T_CDROM, T_REMOV, 486 "CHINON ", "CD-ROM CDS-535 ", ""}, PQUIRK_NOLUNS}, 487 {{T_CDROM, T_REMOV, 488 "DEC ", "RRD42 (C) DEC ", ""}, PQUIRK_NOLUNS}, 489 {{T_CDROM, T_REMOV, 490 "DENON ", "DRD-25X ", "V"}, PQUIRK_NOLUNS}, 491 {{T_CDROM, T_REMOV, 492 "GENERIC ", "CRD-BP2 ", ""}, PQUIRK_NOLUNS}, 493 {{T_CDROM, T_REMOV, 494 "HP ", "C4324/C4325 ", ""}, PQUIRK_NOLUNS}, 495 {{T_CDROM, T_REMOV, 496 "IMS ", "CDD521/10 ", "2.06"}, PQUIRK_NOLUNS}, 497 {{T_CDROM, T_REMOV, 498 "MATSHITA", "CD-ROM CR-5XX ", "1.0b"}, PQUIRK_NOLUNS}, 499 {{T_CDROM, T_REMOV, 500 "MEDAVIS ", "RENO CD-ROMX2A ", ""}, PQUIRK_NOLUNS}, 501 {{T_CDROM, T_REMOV, 502 "MEDIAVIS", "CDR-H93MV ", "1.3"}, PQUIRK_NOLUNS}, 503 {{T_CDROM, T_REMOV, 504 "NEC ", "CD-ROM DRIVE:502", ""}, PQUIRK_NOLUNS}, 505 {{T_CDROM, T_REMOV, 506 "NEC ", "CD-ROM DRIVE:55 ", ""}, PQUIRK_NOLUNS}, 507 {{T_CDROM, T_REMOV, 508 "NEC ", "CD-ROM DRIVE:83 ", ""}, PQUIRK_NOLUNS}, 509 {{T_CDROM, T_REMOV, 510 "NEC ", "CD-ROM DRIVE:84 ", ""}, PQUIRK_NOLUNS}, 511 {{T_CDROM, T_REMOV, 512 "NEC ", "CD-ROM DRIVE:841", ""}, PQUIRK_NOLUNS}, 513 {{T_CDROM, T_REMOV, 514 "OLYMPUS ", "CDS620E ", "1.1d"}, 515 PQUIRK_NOLUNS|PQUIRK_NOSYNC|PQUIRK_NOCAPACITY}, 516 {{T_CDROM, T_REMOV, 517 "PIONEER ", "CD-ROM DR-124X ", "1.01"}, PQUIRK_NOLUNS}, 518 {{T_CDROM, T_REMOV, 519 "PLEXTOR ", "CD-ROM PX-4XCS ", "1.01"}, 520 PQUIRK_NOLUNS|PQUIRK_NOSYNC}, 521 {{T_CDROM, T_REMOV, 522 "SONY ", "CD-ROM CDU-541 ", ""}, PQUIRK_NOLUNS}, 523 {{T_CDROM, T_REMOV, 524 "SONY ", "CD-ROM CDU-55S ", ""}, PQUIRK_NOLUNS}, 525 {{T_CDROM, T_REMOV, 526 "SONY ", "CD-ROM CDU-561 ", ""}, PQUIRK_NOLUNS}, 527 {{T_CDROM, T_REMOV, 528 "SONY ", "CD-ROM CDU-76S", ""}, 529 PQUIRK_NOLUNS|PQUIRK_NOSYNC|PQUIRK_NOWIDE}, 530 {{T_CDROM, T_REMOV, 531 "SONY ", "CD-ROM CDU-8003A", ""}, PQUIRK_NOLUNS}, 532 {{T_CDROM, T_REMOV, 533 "SONY ", "CD-ROM CDU-8012 ", ""}, PQUIRK_NOLUNS}, 534 {{T_CDROM, T_REMOV, 535 "TEAC ", "CD-ROM ", "1.06"}, PQUIRK_NOLUNS}, 536 {{T_CDROM, T_REMOV, 537 "TEAC ", "CD-ROM CD-56S ", "1.0B"}, PQUIRK_NOLUNS}, 538 {{T_CDROM, T_REMOV, 539 "TEXEL ", "CD-ROM ", "1.06"}, PQUIRK_NOLUNS}, 540 {{T_CDROM, T_REMOV, 541 "TEXEL ", "CD-ROM DM-XX24 K", "1.09"}, PQUIRK_NOLUNS}, 542 {{T_CDROM, T_REMOV, 543 "TEXEL ", "CD-ROM DM-XX24 K", "1.10"}, PQUIRK_NOLUNS}, 544 {{T_CDROM, T_REMOV, 545 "TOSHIBA ", "XM-4101TASUNSLCD", ""}, PQUIRK_NOLUNS|PQUIRK_NOSYNC}, 546 /* "IBM CDRM00201 !F" 0724 is an IBM OEM Toshiba XM-4101BME */ 547 {{T_CDROM, T_REMOV, 548 "IBM ", "CDRM00201 !F", "0724"}, PQUIRK_NOLUNS|PQUIRK_NOSYNC}, 549 {{T_CDROM, T_REMOV, 550 "ShinaKen", "CD-ROM DM-3x1S", "1.04"}, PQUIRK_NOLUNS}, 551 {{T_CDROM, T_REMOV, 552 "JVC ", "R2626", ""}, PQUIRK_NOLUNS}, 553 {{T_CDROM, T_REMOV, 554 "YAMAHA", "CRW8424S", ""}, PQUIRK_NOLUNS}, 555 {{T_CDROM, T_REMOV, 556 "NEC ", "CD-ROM DRIVE:222", ""}, PQUIRK_NOLUNS|PQUIRK_NOSYNC}, 557 558 {{T_DIRECT, T_FIXED, 559 "MICROP ", "1588-15MBSUN0669", ""}, PQUIRK_AUTOSAVE}, 560 {{T_DIRECT, T_FIXED, 561 "MICROP ", "2217-15MQ1091501", ""}, PQUIRK_NOSYNCCACHE}, 562 {{T_OPTICAL, T_REMOV, 563 "EPSON ", "OMD-5010 ", "3.08"}, PQUIRK_NOLUNS}, 564 {{T_DIRECT, T_FIXED, 565 "ADAPTEC ", "AEC-4412BD", "1.2A"}, PQUIRK_NOMODESENSE}, 566 {{T_DIRECT, T_FIXED, 567 "ADAPTEC ", "ACB-4000", ""}, PQUIRK_FORCELUNS|PQUIRK_AUTOSAVE|PQUIRK_NOMODESENSE}, 568 {{T_DIRECT, T_FIXED, 569 "DEC ", "RZ55 (C) DEC", ""}, PQUIRK_AUTOSAVE}, 570 {{T_DIRECT, T_FIXED, 571 "EMULEX ", "MD21/S2 ESDI", "A00"}, 572 PQUIRK_FORCELUNS|PQUIRK_AUTOSAVE}, 573 {{T_DIRECT, T_FIXED, 574 "MICROP", "1548-15MZ1077801", "HZ2P"}, PQUIRK_NOTAG}, 575 {{T_DIRECT, T_FIXED, 576 "HP ", "C372", ""}, PQUIRK_NOTAG}, 577 {{T_DIRECT, T_FIXED, 578 "IBMRAID ", "0662S", ""}, PQUIRK_AUTOSAVE}, 579 {{T_DIRECT, T_FIXED, 580 "IBM ", "0663H", ""}, PQUIRK_AUTOSAVE}, 581 {{T_DIRECT, T_FIXED, 582 "IBM", "0664", ""}, PQUIRK_AUTOSAVE}, 583 {{T_DIRECT, T_FIXED, 584 /* improperly report DT-only sync mode */ 585 "IBM ", "DXHS36D", ""}, 586 PQUIRK_CAP_SYNC|PQUIRK_CAP_WIDE16}, 587 {{T_DIRECT, T_FIXED, 588 "IBM ", "DXHS18Y", ""}, 589 PQUIRK_CAP_SYNC|PQUIRK_CAP_WIDE16}, 590 {{T_DIRECT, T_FIXED, 591 "IBM ", "H3171-S2", ""}, 592 PQUIRK_NOLUNS|PQUIRK_AUTOSAVE}, 593 {{T_DIRECT, T_FIXED, 594 "IBM ", "KZ-C", ""}, PQUIRK_AUTOSAVE}, 595 /* Broken IBM disk */ 596 {{T_DIRECT, T_FIXED, 597 "" , "DFRSS2F", ""}, PQUIRK_AUTOSAVE}, 598 {{T_DIRECT, T_FIXED, 599 "Initio ", "", ""}, PQUIRK_NOBIGMODESENSE}, 600 {{T_DIRECT, T_REMOV, 601 "MPL ", "MC-DISK- ", ""}, PQUIRK_NOLUNS}, 602 {{T_DIRECT, T_FIXED, 603 "MAXTOR ", "XT-3280 ", ""}, PQUIRK_NOLUNS}, 604 {{T_DIRECT, T_FIXED, 605 "MAXTOR ", "XT-4380S ", ""}, PQUIRK_NOLUNS}, 606 {{T_DIRECT, T_FIXED, 607 "MAXTOR ", "MXT-1240S ", ""}, PQUIRK_NOLUNS}, 608 {{T_DIRECT, T_FIXED, 609 "MAXTOR ", "XT-4170S ", ""}, PQUIRK_NOLUNS}, 610 {{T_DIRECT, T_FIXED, 611 "MAXTOR ", "XT-8760S", ""}, PQUIRK_NOLUNS}, 612 {{T_DIRECT, T_FIXED, 613 "MAXTOR ", "LXT-213S ", ""}, PQUIRK_NOLUNS}, 614 {{T_DIRECT, T_FIXED, 615 "MAXTOR ", "LXT-213S SUN0207", ""}, PQUIRK_NOLUNS}, 616 {{T_DIRECT, T_FIXED, 617 "MAXTOR ", "LXT-200S ", ""}, PQUIRK_NOLUNS}, 618 {{T_DIRECT, T_FIXED, 619 "MEGADRV ", "EV1000", ""}, PQUIRK_NOMODESENSE}, 620 {{T_DIRECT, T_FIXED, 621 "MICROP", "1991-27MZ", ""}, PQUIRK_NOTAG}, 622 {{T_DIRECT, T_FIXED, 623 "MST ", "SnapLink ", ""}, PQUIRK_NOLUNS}, 624 {{T_DIRECT, T_FIXED, 625 "NEC ", "D3847 ", "0307"}, PQUIRK_NOLUNS}, 626 {{T_DIRECT, T_FIXED, 627 "QUANTUM ", "ELS85S ", ""}, PQUIRK_AUTOSAVE}, 628 {{T_DIRECT, T_FIXED, 629 "QUANTUM ", "LPS525S ", ""}, PQUIRK_NOLUNS}, 630 {{T_DIRECT, T_FIXED, 631 "QUANTUM ", "P105S 910-10-94x", ""}, PQUIRK_NOLUNS}, 632 {{T_DIRECT, T_FIXED, 633 "QUANTUM ", "PD1225S ", ""}, PQUIRK_NOLUNS}, 634 {{T_DIRECT, T_FIXED, 635 "QUANTUM ", "PD210S SUN0207", ""}, PQUIRK_NOLUNS}, 636 {{T_DIRECT, T_FIXED, 637 "QUANTUM ", "ATLAS IV 9 WLS", "0A0A"}, PQUIRK_CAP_NODT}, 638 {{T_DIRECT, T_FIXED, 639 "RODIME ", "RO3000S ", ""}, PQUIRK_NOLUNS}, 640 {{T_DIRECT, T_FIXED, 641 "SEAGATE ", "ST125N ", ""}, PQUIRK_NOLUNS}, 642 {{T_DIRECT, T_FIXED, 643 "SEAGATE ", "ST157N ", ""}, PQUIRK_NOLUNS}, 644 {{T_DIRECT, T_FIXED, 645 "SEAGATE ", "ST296 ", ""}, PQUIRK_NOLUNS}, 646 {{T_DIRECT, T_FIXED, 647 "SEAGATE ", "ST296N ", ""}, PQUIRK_NOLUNS}, 648 {{T_DIRECT, T_FIXED, 649 "SEAGATE ", "ST318404LC ", ""}, PQUIRK_NOLUNS}, 650 {{T_DIRECT, T_FIXED, 651 "SEAGATE ", "ST15150N ", ""}, PQUIRK_NOTAG}, 652 {{T_DIRECT, T_FIXED, 653 "SEAGATE ", "ST19171", ""}, PQUIRK_NOMODESENSE}, 654 {{T_DIRECT, T_FIXED, 655 "SEAGATE ", "ST32430N", ""}, PQUIRK_CAP_SYNC}, 656 {{T_DIRECT, T_FIXED, 657 "SEAGATE ", "ST34501FC ", ""}, PQUIRK_NOMODESENSE}, 658 {{T_DIRECT, T_FIXED, 659 "SEAGATE ", "SX910800N", ""}, PQUIRK_NOTAG}, 660 {{T_DIRECT, T_FIXED, 661 "TOSHIBA ", "MK538FB ", "6027"}, PQUIRK_NOLUNS}, 662 {{T_DIRECT, T_FIXED, 663 "MICROP ", "1924", ""}, PQUIRK_CAP_SYNC}, 664 {{T_DIRECT, T_FIXED, 665 "FUJITSU ", "M2266", ""}, PQUIRK_CAP_SYNC}, 666 {{T_DIRECT, T_FIXED, 667 "FUJITSU ", "M2624S-512 ", ""}, PQUIRK_CAP_SYNC}, 668 {{T_DIRECT, T_FIXED, 669 "SEAGATE ", "SX336704LC" , ""}, PQUIRK_CAP_SYNC | PQUIRK_CAP_WIDE16}, 670 {{T_DIRECT, T_FIXED, 671 "SEAGATE ", "SX173404LC", ""}, PQUIRK_CAP_SYNC | PQUIRK_CAP_WIDE16}, 672 673 {{T_DIRECT, T_REMOV, 674 "IOMEGA", "ZIP 100", "J.03"}, PQUIRK_NOLUNS|PQUIRK_NOSYNC}, 675 {{T_DIRECT, T_REMOV, 676 "INSITE", "I325VM", ""}, PQUIRK_NOLUNS}, 677 678 /* XXX: QIC-36 tape behind Emulex adapter. Very broken. */ 679 {{T_SEQUENTIAL, T_REMOV, 680 " ", " ", " "}, PQUIRK_NOLUNS}, 681 {{T_SEQUENTIAL, T_REMOV, 682 "EMULEX ", "MT-02 QIC ", ""}, PQUIRK_NOLUNS}, 683 {{T_SEQUENTIAL, T_REMOV, 684 "CALIPER ", "CP150 ", ""}, PQUIRK_NOLUNS}, 685 {{T_SEQUENTIAL, T_REMOV, 686 "EXABYTE ", "EXB-8200 ", ""}, PQUIRK_NOLUNS}, 687 {{T_SEQUENTIAL, T_REMOV, 688 "SONY ", "GY-10C ", ""}, PQUIRK_NOLUNS}, 689 {{T_SEQUENTIAL, T_REMOV, 690 "SONY ", "SDT-2000 ", "2.09"}, PQUIRK_NOLUNS}, 691 {{T_SEQUENTIAL, T_REMOV, 692 "SONY ", "SDT-5000 ", "3."}, PQUIRK_NOSYNC|PQUIRK_NOWIDE}, 693 {{T_SEQUENTIAL, T_REMOV, 694 "SONY ", "SDT-5200 ", "3."}, PQUIRK_NOLUNS}, 695 {{T_SEQUENTIAL, T_REMOV, 696 "TANDBERG", " TDC 3600 ", ""}, PQUIRK_NOLUNS}, 697 /* Following entry reported as a Tandberg 3600; ref. PR1933 */ 698 {{T_SEQUENTIAL, T_REMOV, 699 "ARCHIVE ", "VIPER 150 21247", ""}, PQUIRK_NOLUNS}, 700 /* Following entry for a Cipher ST150S; ref. PR4171 */ 701 {{T_SEQUENTIAL, T_REMOV, 702 "ARCHIVE ", "VIPER 1500 21247", "2.2G"}, PQUIRK_NOLUNS}, 703 {{T_SEQUENTIAL, T_REMOV, 704 "ARCHIVE ", "Python 28454-XXX", ""}, PQUIRK_NOLUNS}, 705 {{T_SEQUENTIAL, T_REMOV, 706 "WANGTEK ", "5099ES SCSI", ""}, PQUIRK_NOLUNS}, 707 {{T_SEQUENTIAL, T_REMOV, 708 "WANGTEK ", "5150ES SCSI", ""}, PQUIRK_NOLUNS}, 709 {{T_SEQUENTIAL, T_REMOV, 710 "WANGTEK ", "SCSI-36", ""}, PQUIRK_NOLUNS}, 711 {{T_SEQUENTIAL, T_REMOV, 712 "WangDAT ", "Model 1300 ", "02.4"}, PQUIRK_NOSYNC|PQUIRK_NOWIDE}, 713 {{T_SEQUENTIAL, T_REMOV, 714 "WangDAT ", "Model 2600 ", "01.7"}, PQUIRK_NOSYNC|PQUIRK_NOWIDE}, 715 {{T_SEQUENTIAL, T_REMOV, 716 "WangDAT ", "Model 3200 ", "02.2"}, PQUIRK_NOSYNC|PQUIRK_NOWIDE}, 717 {{T_SEQUENTIAL, T_REMOV, 718 "TEAC ", "MT-2ST/N50 ", ""}, PQUIRK_NOLUNS}, 719 720 {{T_SCANNER, T_FIXED, 721 "RICOH ", "IS60 ", "1R08"}, PQUIRK_NOLUNS}, 722 {{T_SCANNER, T_FIXED, 723 "UMAX ", "Astra 1200S ", "V2.9"}, PQUIRK_NOLUNS}, 724 {{T_SCANNER, T_FIXED, 725 "UMAX ", "Astra 1220S ", ""}, PQUIRK_NOLUNS}, 726 {{T_SCANNER, T_FIXED, 727 "UMAX ", "UMAX S-6E ", "V2.0"}, PQUIRK_NOLUNS}, 728 {{T_SCANNER, T_FIXED, 729 "UMAX ", "UMAX S-12 ", "V2.1"}, PQUIRK_NOLUNS}, 730 {{T_SCANNER, T_FIXED, 731 "ULTIMA ", "A6000C ", ""}, PQUIRK_NOLUNS}, 732 {{T_PROCESSOR, T_FIXED, 733 "ESG-SHV", "SCA HSBP M15", ""}, PQUIRK_NOLUNS}, 734 {{T_PROCESSOR, T_FIXED, 735 "SYMBIOS", "", ""}, PQUIRK_NOLUNS}, 736 {{T_PROCESSOR, T_FIXED, 737 "LITRONIC", "PCMCIA ", ""}, PQUIRK_NOLUNS}, 738 {{T_CHANGER, T_REMOV, 739 "SONY ", "CDL1100 ", ""}, PQUIRK_NOLUNS}, 740 {{T_ENCLOSURE, T_FIXED, 741 "SUN ", "SENA ", ""}, PQUIRK_NOLUNS}, 742 }; 743 744 /* 745 * given a target and lun, ask the device what 746 * it is, and find the correct driver table 747 * entry. 748 */ 749 static int 750 scsi_probe_device(struct scsibus_softc *sc, int target, int lun) 751 { 752 struct scsipi_channel *chan = sc->sc_channel; 753 struct scsipi_periph *periph; 754 struct scsipi_inquiry_data inqbuf; 755 const struct scsi_quirk_inquiry_pattern *finger; 756 int checkdtype, priority, docontinue, quirks; 757 struct scsipibus_attach_args sa; 758 cfdata_t cf; 759 int locs[SCSIBUSCF_NLOCS]; 760 device_t chld; 761 762 /* 763 * Assume no more luns to search after this one. 764 * If we successfully get Inquiry data and after 765 * merging quirks we find we can probe for more 766 * luns, we will. 767 */ 768 docontinue = 0; 769 770 /* Skip this slot if it is already attached. */ 771 if (scsipi_lookup_periph(chan, target, lun) != NULL) 772 return (docontinue); 773 774 periph = scsipi_alloc_periph(M_NOWAIT); 775 if (periph == NULL) { 776 #ifdef DIAGNOSTIC 777 aprint_error_dev(sc->sc_dev, 778 "cannot allocate periph for target %d lun %d\n", 779 target, lun); 780 #endif 781 return (ENOMEM); 782 } 783 periph->periph_channel = chan; 784 periph->periph_switch = &scsi_probe_dev; 785 786 periph->periph_target = target; 787 periph->periph_lun = lun; 788 periph->periph_quirks = chan->chan_defquirks; 789 790 #ifdef SCSIPI_DEBUG 791 if (SCSIPI_DEBUG_TYPE == SCSIPI_BUSTYPE_SCSI && 792 SCSIPI_DEBUG_TARGET == target && 793 SCSIPI_DEBUG_LUN == lun) 794 periph->periph_dbflags |= SCSIPI_DEBUG_FLAGS; 795 #endif 796 797 /* 798 * Ask the device what it is 799 */ 800 801 #ifdef SCSI_2_DEF 802 /* some devices need to be told to go to SCSI2 */ 803 /* However some just explode if you tell them this.. leave it out */ 804 scsi_change_def(periph, XS_CTL_DISCOVERY | XS_CTL_SILENT); 805 #endif /* SCSI_2_DEF */ 806 807 /* Now go ask the device all about itself. */ 808 memset(&inqbuf, 0, sizeof(inqbuf)); 809 { 810 u_int8_t *extension = &inqbuf.flags1; 811 int len = 0; 812 while (len < 3) 813 extension[len++] = '\0'; 814 while (len < 3 + 28) 815 extension[len++] = ' '; 816 while (len < 3 + 28 + 20) 817 extension[len++] = '\0'; 818 while (len < 3 + 28 + 20 + 1) 819 extension[len++] = '\0'; 820 while (len < 3 + 28 + 20 + 1 + 1) 821 extension[len++] = '\0'; 822 while (len < 3 + 28 + 20 + 1 + 1 + (8*2)) 823 extension[len++] = ' '; 824 } 825 if (scsipi_inquire(periph, &inqbuf, XS_CTL_DISCOVERY | XS_CTL_SILENT)) 826 goto bad; 827 828 periph->periph_type = inqbuf.device & SID_TYPE; 829 if (inqbuf.dev_qual2 & SID_REMOVABLE) 830 periph->periph_flags |= PERIPH_REMOVABLE; 831 periph->periph_version = inqbuf.version & SID_ANSII; 832 833 /* 834 * Any device qualifier that has the top bit set (qualifier&4 != 0) 835 * is vendor specific and won't match in this switch. 836 * All we do here is throw out bad/negative responses. 837 */ 838 checkdtype = 0; 839 switch (inqbuf.device & SID_QUAL) { 840 case SID_QUAL_LU_PRESENT: 841 checkdtype = 1; 842 break; 843 844 case SID_QUAL_LU_NOTPRESENT: 845 case SID_QUAL_reserved: 846 case SID_QUAL_LU_NOT_SUPP: 847 goto bad; 848 849 default: 850 break; 851 } 852 853 /* Let the adapter driver handle the device separatley if it wants. */ 854 if (chan->chan_adapter->adapt_accesschk != NULL && 855 (*chan->chan_adapter->adapt_accesschk)(periph, &sa.sa_inqbuf)) 856 goto bad; 857 858 if (checkdtype) { 859 switch (periph->periph_type) { 860 case T_DIRECT: 861 case T_SEQUENTIAL: 862 case T_PRINTER: 863 case T_PROCESSOR: 864 case T_WORM: 865 case T_CDROM: 866 case T_SCANNER: 867 case T_OPTICAL: 868 case T_CHANGER: 869 case T_COMM: 870 case T_IT8_1: 871 case T_IT8_2: 872 case T_STORARRAY: 873 case T_ENCLOSURE: 874 case T_SIMPLE_DIRECT: 875 case T_OPTIC_CARD_RW: 876 case T_OBJECT_STORED: 877 default: 878 break; 879 case T_NODEVICE: 880 goto bad; 881 } 882 } 883 884 sa.sa_periph = periph; 885 sa.sa_inqbuf.type = inqbuf.device; 886 sa.sa_inqbuf.removable = inqbuf.dev_qual2 & SID_REMOVABLE ? 887 T_REMOV : T_FIXED; 888 sa.sa_inqbuf.vendor = inqbuf.vendor; 889 sa.sa_inqbuf.product = inqbuf.product; 890 sa.sa_inqbuf.revision = inqbuf.revision; 891 sa.scsipi_info.scsi_version = inqbuf.version; 892 sa.sa_inqptr = &inqbuf; 893 894 finger = scsipi_inqmatch( 895 &sa.sa_inqbuf, scsi_quirk_patterns, 896 sizeof(scsi_quirk_patterns)/sizeof(scsi_quirk_patterns[0]), 897 sizeof(scsi_quirk_patterns[0]), &priority); 898 899 if (finger != NULL) 900 quirks = finger->quirks; 901 else 902 quirks = 0; 903 904 /* 905 * Determine the operating mode capabilities of the device. 906 */ 907 if (periph->periph_version >= 2) { 908 if ((inqbuf.flags3 & SID_CmdQue) != 0 && 909 (quirks & PQUIRK_NOTAG) == 0) 910 periph->periph_cap |= PERIPH_CAP_TQING; 911 if ((inqbuf.flags3 & SID_Linked) != 0) 912 periph->periph_cap |= PERIPH_CAP_LINKCMDS; 913 if ((inqbuf.flags3 & SID_Sync) != 0 && 914 (quirks & PQUIRK_NOSYNC) == 0) 915 periph->periph_cap |= PERIPH_CAP_SYNC; 916 if ((inqbuf.flags3 & SID_WBus16) != 0 && 917 (quirks & PQUIRK_NOWIDE) == 0) 918 periph->periph_cap |= PERIPH_CAP_WIDE16; 919 if ((inqbuf.flags3 & SID_WBus32) != 0 && 920 (quirks & PQUIRK_NOWIDE) == 0) 921 periph->periph_cap |= PERIPH_CAP_WIDE32; 922 if ((inqbuf.flags3 & SID_SftRe) != 0) 923 periph->periph_cap |= PERIPH_CAP_SFTRESET; 924 if ((inqbuf.flags3 & SID_RelAdr) != 0) 925 periph->periph_cap |= PERIPH_CAP_RELADR; 926 /* SPC-2 */ 927 if (periph->periph_version >= 3 && 928 !(quirks & PQUIRK_CAP_NODT)){ 929 /* 930 * Report ST clocking though CAP_WIDExx/CAP_SYNC. 931 * If the device only supports DT, clear these 932 * flags (DT implies SYNC and WIDE) 933 */ 934 switch (inqbuf.flags4 & SID_Clocking) { 935 case SID_CLOCKING_DT_ONLY: 936 periph->periph_cap &= 937 ~(PERIPH_CAP_SYNC | 938 PERIPH_CAP_WIDE16 | 939 PERIPH_CAP_WIDE32); 940 /* FALLTHROUGH */ 941 case SID_CLOCKING_SD_DT: 942 periph->periph_cap |= PERIPH_CAP_DT; 943 break; 944 default: /* ST only or invalid */ 945 /* nothing to do */ 946 break; 947 } 948 } 949 if (periph->periph_version >= 3) { 950 if (inqbuf.flags4 & SID_IUS) 951 periph->periph_cap |= PERIPH_CAP_IUS; 952 if (inqbuf.flags4 & SID_QAS) 953 periph->periph_cap |= PERIPH_CAP_QAS; 954 } 955 } 956 if (quirks & PQUIRK_CAP_SYNC) 957 periph->periph_cap |= PERIPH_CAP_SYNC; 958 if (quirks & PQUIRK_CAP_WIDE16) 959 periph->periph_cap |= PERIPH_CAP_WIDE16; 960 961 /* 962 * Now apply any quirks from the table. 963 */ 964 periph->periph_quirks |= quirks; 965 if (periph->periph_version == 0 && 966 (periph->periph_quirks & PQUIRK_FORCELUNS) == 0) 967 periph->periph_quirks |= PQUIRK_NOLUNS; 968 969 if ((periph->periph_quirks & PQUIRK_NOLUNS) == 0) 970 docontinue = 1; 971 972 locs[SCSIBUSCF_TARGET] = target; 973 locs[SCSIBUSCF_LUN] = lun; 974 975 if ((cf = config_search_loc(config_stdsubmatch, sc->sc_dev, 976 "scsibus", locs, &sa)) != NULL) { 977 scsipi_insert_periph(chan, periph); 978 /* 979 * XXX Can't assign periph_dev here, because we'll 980 * XXX need it before config_attach() returns. Must 981 * XXX assign it in periph driver. 982 */ 983 chld = config_attach_loc(sc->sc_dev, cf, locs, &sa, 984 scsibusprint); 985 } else { 986 scsibusprint(&sa, device_xname(sc->sc_dev)); 987 aprint_normal(" not configured\n"); 988 goto bad; 989 } 990 991 return (docontinue); 992 993 bad: 994 free(periph, M_DEVBUF); 995 return (docontinue); 996 } 997 998 /****** Entry points for user control of the SCSI bus. ******/ 999 1000 static int 1001 scsibusopen(dev_t dev, int flag, int fmt, 1002 struct lwp *l) 1003 { 1004 struct scsibus_softc *sc; 1005 int error, unit = minor(dev); 1006 1007 sc = device_lookup_private(&scsibus_cd, unit); 1008 if (sc == NULL) 1009 return (ENXIO); 1010 1011 if (sc->sc_flags & SCSIBUSF_OPEN) 1012 return (EBUSY); 1013 1014 if ((error = scsipi_adapter_addref(sc->sc_channel->chan_adapter)) != 0) 1015 return (error); 1016 1017 sc->sc_flags |= SCSIBUSF_OPEN; 1018 1019 return (0); 1020 } 1021 1022 static int 1023 scsibusclose(dev_t dev, int flag, int fmt, 1024 struct lwp *l) 1025 { 1026 struct scsibus_softc *sc; 1027 1028 sc = device_lookup_private(&scsibus_cd, minor(dev)); 1029 scsipi_adapter_delref(sc->sc_channel->chan_adapter); 1030 1031 sc->sc_flags &= ~SCSIBUSF_OPEN; 1032 1033 return (0); 1034 } 1035 1036 static int 1037 scsibusioctl(dev_t dev, u_long cmd, void *addr, int flag, struct lwp *l) 1038 { 1039 struct scsibus_softc *sc; 1040 struct scsipi_channel *chan; 1041 int error; 1042 1043 sc = device_lookup_private(&scsibus_cd, minor(dev)); 1044 chan = sc->sc_channel; 1045 1046 /* 1047 * Enforce write permission for ioctls that change the 1048 * state of the bus. Host adapter specific ioctls must 1049 * be checked by the adapter driver. 1050 */ 1051 switch (cmd) { 1052 case SCBUSIOSCAN: 1053 case SCBUSIODETACH: 1054 case SCBUSIORESET: 1055 if ((flag & FWRITE) == 0) 1056 return (EBADF); 1057 } 1058 1059 switch (cmd) { 1060 case SCBUSIOSCAN: 1061 { 1062 struct scbusioscan_args *a = 1063 (struct scbusioscan_args *)addr; 1064 1065 error = scsi_probe_bus(sc, a->sa_target, a->sa_lun); 1066 break; 1067 } 1068 1069 case SCBUSIODETACH: 1070 { 1071 struct scbusiodetach_args *a = 1072 (struct scbusiodetach_args *)addr; 1073 1074 error = scsipi_target_detach(chan, a->sa_target, a->sa_lun, 0); 1075 break; 1076 } 1077 1078 1079 case SCBUSIORESET: 1080 /* FALLTHROUGH */ 1081 default: 1082 if (chan->chan_adapter->adapt_ioctl == NULL) 1083 error = ENOTTY; 1084 else 1085 error = (*chan->chan_adapter->adapt_ioctl)(chan, 1086 cmd, addr, flag, l->l_proc); 1087 break; 1088 } 1089 1090 return (error); 1091 } 1092
Indexes created Wed Sep 24 15:09:51 GMT 2025