scsiconf.c revision 1.262.10.3
1 /* $NetBSD: scsiconf.c,v 1.262.10.3 2012/05/22 18:46:09 riz 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 2012/05/22 18:46:09 riz 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 if (scsipi_adapter_addref(chan->chan_adapter)) 213 return; 214 215 RUN_ONCE(&scsi_conf_ctrl, scsibus_init); 216 217 /* Initialize the channel structure first */ 218 chan->chan_init_cb = scsibus_config; 219 chan->chan_init_cb_arg = sc; 220 221 scsi_initq = malloc(sizeof(struct scsi_initq), M_DEVBUF, M_WAITOK); 222 scsi_initq->sc_channel = chan; 223 TAILQ_INSERT_TAIL(&scsi_initq_head, scsi_initq, scsi_initq); 224 config_pending_incr(); 225 if (scsipi_channel_init(chan)) { 226 aprint_error_dev(sc->sc_dev, "failed to init channel\n"); 227 return; 228 } 229 } 230 231 static void 232 scsibus_config(struct scsipi_channel *chan, void *arg) 233 { 234 struct scsibus_softc *sc = arg; 235 struct scsi_initq *scsi_initq; 236 237 #ifndef SCSI_DELAY 238 #define SCSI_DELAY 2 239 #endif 240 if ((chan->chan_flags & SCSIPI_CHAN_NOSETTLE) == 0 && 241 SCSI_DELAY > 0) { 242 aprint_normal_dev(sc->sc_dev, 243 "waiting %d seconds for devices to settle...\n", 244 SCSI_DELAY); 245 /* ...an identifier we know no one will use... */ 246 (void) tsleep(scsibus_config, PRIBIO, 247 "scsidly", SCSI_DELAY * hz); 248 } 249 250 /* Make sure the devices probe in scsibus order to avoid jitter. */ 251 mutex_enter(&scsibus_qlock); 252 for (;;) { 253 scsi_initq = TAILQ_FIRST(&scsi_initq_head); 254 if (scsi_initq->sc_channel == chan) 255 break; 256 cv_wait(&scsibus_qcv, &scsibus_qlock); 257 } 258 mutex_exit(&scsibus_qlock); 259 260 scsi_probe_bus(sc, -1, -1); 261 262 mutex_enter(&scsibus_qlock); 263 TAILQ_REMOVE(&scsi_initq_head, scsi_initq, scsi_initq); 264 cv_broadcast(&scsibus_qcv); 265 mutex_exit(&scsibus_qlock); 266 267 free(scsi_initq, M_DEVBUF); 268 269 scsipi_adapter_delref(chan->chan_adapter); 270 271 config_pending_decr(); 272 } 273 274 static int 275 scsibusdetach(device_t self, int flags) 276 { 277 struct scsibus_softc *sc = device_private(self); 278 struct scsipi_channel *chan = sc->sc_channel; 279 struct scsipi_periph *periph; 280 int ctarget, clun; 281 struct scsipi_xfer *xs; 282 int error; 283 284 /* XXXSMP scsipi */ 285 KERNEL_LOCK(1, curlwp); 286 287 /* 288 * Detach all of the periphs. 289 */ 290 if ((error = scsipi_target_detach(chan, -1, -1, flags)) != 0) { 291 /* XXXSMP scsipi */ 292 KERNEL_UNLOCK_ONE(curlwp); 293 294 return error; 295 } 296 297 pmf_device_deregister(self); 298 299 /* 300 * Process outstanding commands (which will never complete as the 301 * controller is gone). 302 * 303 * XXX Surely this is redundant? If we get this far, the 304 * XXX peripherals have all been detached. 305 */ 306 for (ctarget = 0; ctarget < chan->chan_ntargets; ctarget++) { 307 if (ctarget == chan->chan_id) 308 continue; 309 for (clun = 0; clun < chan->chan_nluns; clun++) { 310 periph = scsipi_lookup_periph(chan, ctarget, clun); 311 if (periph == NULL) 312 continue; 313 TAILQ_FOREACH(xs, &periph->periph_xferq, device_q) { 314 callout_stop(&xs->xs_callout); 315 xs->error = XS_DRIVER_STUFFUP; 316 scsipi_done(xs); 317 } 318 } 319 } 320 321 /* 322 * Now shut down the channel. 323 */ 324 scsipi_channel_shutdown(chan); 325 326 /* XXXSMP scsipi */ 327 KERNEL_UNLOCK_ONE(curlwp); 328 329 return 0; 330 } 331 332 /* 333 * Probe the requested scsi bus. It must be already set up. 334 * target and lun optionally narrow the search if not -1 335 */ 336 int 337 scsi_probe_bus(struct scsibus_softc *sc, int target, int lun) 338 { 339 struct scsipi_channel *chan = sc->sc_channel; 340 int maxtarget, mintarget, maxlun, minlun; 341 int error; 342 343 /* XXXSMP scsipi */ 344 KERNEL_LOCK(1, curlwp); 345 346 if (target == -1) { 347 maxtarget = chan->chan_ntargets - 1; 348 mintarget = 0; 349 } else { 350 if (target < 0 || target >= chan->chan_ntargets) 351 return (EINVAL); 352 maxtarget = mintarget = target; 353 } 354 355 if (lun == -1) { 356 maxlun = chan->chan_nluns - 1; 357 minlun = 0; 358 } else { 359 if (lun < 0 || lun >= chan->chan_nluns) 360 return (EINVAL); 361 maxlun = minlun = lun; 362 } 363 364 /* 365 * Some HBAs provide an abstracted view of the bus; give them an 366 * oppertunity to re-scan it before we do. 367 */ 368 if (chan->chan_adapter->adapt_ioctl != NULL) 369 (*chan->chan_adapter->adapt_ioctl)(chan, SCBUSIOLLSCAN, NULL, 370 0, curproc); 371 372 if ((error = scsipi_adapter_addref(chan->chan_adapter)) != 0) 373 goto ret; 374 for (target = mintarget; target <= maxtarget; target++) { 375 if (target == chan->chan_id) 376 continue; 377 for (lun = minlun; lun <= maxlun; lun++) { 378 /* 379 * See if there's a device present, and configure it. 380 */ 381 if (scsi_probe_device(sc, target, lun) == 0) 382 break; 383 /* otherwise something says we should look further */ 384 } 385 386 /* 387 * Now that we've discovered all of the LUNs on this 388 * I_T Nexus, update the xfer mode for all of them 389 * that we know about. 390 */ 391 scsipi_set_xfer_mode(chan, target, 1); 392 } 393 scsipi_adapter_delref(chan->chan_adapter); 394 ret: 395 KERNEL_UNLOCK_ONE(curlwp); 396 return (error); 397 } 398 399 static int 400 scsibusrescan(device_t sc, const char *ifattr, 401 const int *locators) 402 { 403 404 KASSERT(ifattr && !strcmp(ifattr, "scsibus")); 405 KASSERT(locators); 406 407 return (scsi_probe_bus(device_private(sc), 408 locators[SCSIBUSCF_TARGET], locators[SCSIBUSCF_LUN])); 409 } 410 411 static void 412 scsidevdetached(device_t self, device_t child) 413 { 414 struct scsibus_softc *sc = device_private(self); 415 struct scsipi_channel *chan = sc->sc_channel; 416 struct scsipi_periph *periph; 417 int target, lun; 418 419 target = device_locator(child, SCSIBUSCF_TARGET); 420 lun = device_locator(child, SCSIBUSCF_LUN); 421 422 /* XXXSMP scsipi */ 423 KERNEL_LOCK(1, curlwp); 424 425 periph = scsipi_lookup_periph(chan, target, lun); 426 KASSERT(periph->periph_dev == child); 427 428 scsipi_remove_periph(chan, periph); 429 free(periph, M_DEVBUF); 430 431 /* XXXSMP scsipi */ 432 KERNEL_UNLOCK_ONE(curlwp); 433 } 434 435 /* 436 * Print out autoconfiguration information for a subdevice. 437 * 438 * This is a slight abuse of 'standard' autoconfiguration semantics, 439 * because 'print' functions don't normally print the colon and 440 * device information. However, in this case that's better than 441 * either printing redundant information before the attach message, 442 * or having the device driver call a special function to print out 443 * the standard device information. 444 */ 445 static int 446 scsibusprint(void *aux, const char *pnp) 447 { 448 struct scsipibus_attach_args *sa = aux; 449 struct scsipi_inquiry_pattern *inqbuf; 450 u_int8_t type; 451 const char *dtype; 452 char vendor[33], product[65], revision[17]; 453 int target, lun; 454 455 if (pnp != NULL) 456 aprint_normal("%s", pnp); 457 458 inqbuf = &sa->sa_inqbuf; 459 460 target = sa->sa_periph->periph_target; 461 lun = sa->sa_periph->periph_lun; 462 type = inqbuf->type & SID_TYPE; 463 464 dtype = scsipi_dtype(type); 465 466 scsipi_strvis(vendor, 33, inqbuf->vendor, 8); 467 scsipi_strvis(product, 65, inqbuf->product, 16); 468 scsipi_strvis(revision, 17, inqbuf->revision, 4); 469 470 aprint_normal(" target %d lun %d: <%s, %s, %s> %s %s", 471 target, lun, vendor, product, revision, dtype, 472 inqbuf->removable ? "removable" : "fixed"); 473 474 return (UNCONF); 475 } 476 477 static const struct scsi_quirk_inquiry_pattern scsi_quirk_patterns[] = { 478 {{T_CDROM, T_REMOV, 479 "CHINON ", "CD-ROM CDS-431 ", ""}, PQUIRK_NOLUNS}, 480 {{T_CDROM, T_REMOV, 481 "CHINON ", "CD-ROM CDS-435 ", ""}, PQUIRK_NOLUNS}, 482 {{T_CDROM, T_REMOV, 483 "Chinon ", "CD-ROM CDS-525 ", ""}, PQUIRK_NOLUNS}, 484 {{T_CDROM, T_REMOV, 485 "CHINON ", "CD-ROM CDS-535 ", ""}, PQUIRK_NOLUNS}, 486 {{T_CDROM, T_REMOV, 487 "DEC ", "RRD42 (C) DEC ", ""}, PQUIRK_NOLUNS}, 488 {{T_CDROM, T_REMOV, 489 "DENON ", "DRD-25X ", "V"}, PQUIRK_NOLUNS}, 490 {{T_CDROM, T_REMOV, 491 "GENERIC ", "CRD-BP2 ", ""}, PQUIRK_NOLUNS}, 492 {{T_CDROM, T_REMOV, 493 "HP ", "C4324/C4325 ", ""}, PQUIRK_NOLUNS}, 494 {{T_CDROM, T_REMOV, 495 "IMS ", "CDD521/10 ", "2.06"}, PQUIRK_NOLUNS}, 496 {{T_CDROM, T_REMOV, 497 "MATSHITA", "CD-ROM CR-5XX ", "1.0b"}, PQUIRK_NOLUNS}, 498 {{T_CDROM, T_REMOV, 499 "MEDAVIS ", "RENO CD-ROMX2A ", ""}, PQUIRK_NOLUNS}, 500 {{T_CDROM, T_REMOV, 501 "MEDIAVIS", "CDR-H93MV ", "1.3"}, PQUIRK_NOLUNS}, 502 {{T_CDROM, T_REMOV, 503 "NEC ", "CD-ROM DRIVE:502", ""}, PQUIRK_NOLUNS}, 504 {{T_CDROM, T_REMOV, 505 "NEC ", "CD-ROM DRIVE:55 ", ""}, PQUIRK_NOLUNS}, 506 {{T_CDROM, T_REMOV, 507 "NEC ", "CD-ROM DRIVE:83 ", ""}, PQUIRK_NOLUNS}, 508 {{T_CDROM, T_REMOV, 509 "NEC ", "CD-ROM DRIVE:84 ", ""}, PQUIRK_NOLUNS}, 510 {{T_CDROM, T_REMOV, 511 "NEC ", "CD-ROM DRIVE:841", ""}, PQUIRK_NOLUNS}, 512 {{T_CDROM, T_REMOV, 513 "OLYMPUS ", "CDS620E ", "1.1d"}, 514 PQUIRK_NOLUNS|PQUIRK_NOSYNC|PQUIRK_NOCAPACITY}, 515 {{T_CDROM, T_REMOV, 516 "PIONEER ", "CD-ROM DR-124X ", "1.01"}, PQUIRK_NOLUNS}, 517 {{T_CDROM, T_REMOV, 518 "PLEXTOR ", "CD-ROM PX-4XCS ", "1.01"}, 519 PQUIRK_NOLUNS|PQUIRK_NOSYNC}, 520 {{T_CDROM, T_REMOV, 521 "SONY ", "CD-ROM CDU-541 ", ""}, PQUIRK_NOLUNS}, 522 {{T_CDROM, T_REMOV, 523 "SONY ", "CD-ROM CDU-55S ", ""}, PQUIRK_NOLUNS}, 524 {{T_CDROM, T_REMOV, 525 "SONY ", "CD-ROM CDU-561 ", ""}, PQUIRK_NOLUNS}, 526 {{T_CDROM, T_REMOV, 527 "SONY ", "CD-ROM CDU-76S", ""}, 528 PQUIRK_NOLUNS|PQUIRK_NOSYNC|PQUIRK_NOWIDE}, 529 {{T_CDROM, T_REMOV, 530 "SONY ", "CD-ROM CDU-8003A", ""}, PQUIRK_NOLUNS}, 531 {{T_CDROM, T_REMOV, 532 "SONY ", "CD-ROM CDU-8012 ", ""}, PQUIRK_NOLUNS}, 533 {{T_CDROM, T_REMOV, 534 "TEAC ", "CD-ROM ", "1.06"}, PQUIRK_NOLUNS}, 535 {{T_CDROM, T_REMOV, 536 "TEAC ", "CD-ROM CD-56S ", "1.0B"}, PQUIRK_NOLUNS}, 537 {{T_CDROM, T_REMOV, 538 "TEXEL ", "CD-ROM ", "1.06"}, PQUIRK_NOLUNS}, 539 {{T_CDROM, T_REMOV, 540 "TEXEL ", "CD-ROM DM-XX24 K", "1.09"}, PQUIRK_NOLUNS}, 541 {{T_CDROM, T_REMOV, 542 "TEXEL ", "CD-ROM DM-XX24 K", "1.10"}, PQUIRK_NOLUNS}, 543 {{T_CDROM, T_REMOV, 544 "TOSHIBA ", "XM-4101TASUNSLCD", ""}, PQUIRK_NOLUNS|PQUIRK_NOSYNC}, 545 /* "IBM CDRM00201 !F" 0724 is an IBM OEM Toshiba XM-4101BME */ 546 {{T_CDROM, T_REMOV, 547 "IBM ", "CDRM00201 !F", "0724"}, PQUIRK_NOLUNS|PQUIRK_NOSYNC}, 548 {{T_CDROM, T_REMOV, 549 "ShinaKen", "CD-ROM DM-3x1S", "1.04"}, PQUIRK_NOLUNS}, 550 {{T_CDROM, T_REMOV, 551 "JVC ", "R2626", ""}, PQUIRK_NOLUNS}, 552 {{T_CDROM, T_REMOV, 553 "YAMAHA", "CRW8424S", ""}, PQUIRK_NOLUNS}, 554 {{T_CDROM, T_REMOV, 555 "NEC ", "CD-ROM DRIVE:222", ""}, PQUIRK_NOLUNS|PQUIRK_NOSYNC}, 556 557 {{T_DIRECT, T_FIXED, 558 "MICROP ", "1588-15MBSUN0669", ""}, PQUIRK_AUTOSAVE}, 559 {{T_DIRECT, T_FIXED, 560 "MICROP ", "2217-15MQ1091501", ""}, PQUIRK_NOSYNCCACHE}, 561 {{T_OPTICAL, T_REMOV, 562 "EPSON ", "OMD-5010 ", "3.08"}, PQUIRK_NOLUNS}, 563 {{T_DIRECT, T_FIXED, 564 "ADAPTEC ", "AEC-4412BD", "1.2A"}, PQUIRK_NOMODESENSE}, 565 {{T_DIRECT, T_FIXED, 566 "ADAPTEC ", "ACB-4000", ""}, PQUIRK_FORCELUNS|PQUIRK_AUTOSAVE|PQUIRK_NOMODESENSE}, 567 {{T_DIRECT, T_FIXED, 568 "DEC ", "RZ55 (C) DEC", ""}, PQUIRK_AUTOSAVE}, 569 {{T_DIRECT, T_FIXED, 570 "EMULEX ", "MD21/S2 ESDI", "A00"}, 571 PQUIRK_FORCELUNS|PQUIRK_AUTOSAVE}, 572 {{T_DIRECT, T_FIXED, 573 "MICROP", "1548-15MZ1077801", "HZ2P"}, PQUIRK_NOTAG}, 574 {{T_DIRECT, T_FIXED, 575 "HP ", "C372", ""}, PQUIRK_NOTAG}, 576 {{T_DIRECT, T_FIXED, 577 "IBMRAID ", "0662S", ""}, PQUIRK_AUTOSAVE}, 578 {{T_DIRECT, T_FIXED, 579 "IBM ", "0663H", ""}, PQUIRK_AUTOSAVE}, 580 {{T_DIRECT, T_FIXED, 581 "IBM", "0664", ""}, PQUIRK_AUTOSAVE}, 582 {{T_DIRECT, T_FIXED, 583 /* improperly report DT-only sync mode */ 584 "IBM ", "DXHS36D", ""}, 585 PQUIRK_CAP_SYNC|PQUIRK_CAP_WIDE16}, 586 {{T_DIRECT, T_FIXED, 587 "IBM ", "DXHS18Y", ""}, 588 PQUIRK_CAP_SYNC|PQUIRK_CAP_WIDE16}, 589 {{T_DIRECT, T_FIXED, 590 "IBM ", "H3171-S2", ""}, 591 PQUIRK_NOLUNS|PQUIRK_AUTOSAVE}, 592 {{T_DIRECT, T_FIXED, 593 "IBM ", "KZ-C", ""}, PQUIRK_AUTOSAVE}, 594 /* Broken IBM disk */ 595 {{T_DIRECT, T_FIXED, 596 "" , "DFRSS2F", ""}, PQUIRK_AUTOSAVE}, 597 {{T_DIRECT, T_FIXED, 598 "Initio ", "", ""}, PQUIRK_NOBIGMODESENSE}, 599 {{T_DIRECT, T_REMOV, 600 "MPL ", "MC-DISK- ", ""}, PQUIRK_NOLUNS}, 601 {{T_DIRECT, T_FIXED, 602 "MAXTOR ", "XT-3280 ", ""}, PQUIRK_NOLUNS}, 603 {{T_DIRECT, T_FIXED, 604 "MAXTOR ", "XT-4380S ", ""}, PQUIRK_NOLUNS}, 605 {{T_DIRECT, T_FIXED, 606 "MAXTOR ", "MXT-1240S ", ""}, PQUIRK_NOLUNS}, 607 {{T_DIRECT, T_FIXED, 608 "MAXTOR ", "XT-4170S ", ""}, PQUIRK_NOLUNS}, 609 {{T_DIRECT, T_FIXED, 610 "MAXTOR ", "XT-8760S", ""}, PQUIRK_NOLUNS}, 611 {{T_DIRECT, T_FIXED, 612 "MAXTOR ", "LXT-213S ", ""}, PQUIRK_NOLUNS}, 613 {{T_DIRECT, T_FIXED, 614 "MAXTOR ", "LXT-213S SUN0207", ""}, PQUIRK_NOLUNS}, 615 {{T_DIRECT, T_FIXED, 616 "MAXTOR ", "LXT-200S ", ""}, PQUIRK_NOLUNS}, 617 {{T_DIRECT, T_FIXED, 618 "MEGADRV ", "EV1000", ""}, PQUIRK_NOMODESENSE}, 619 {{T_DIRECT, T_FIXED, 620 "MICROP", "1991-27MZ", ""}, PQUIRK_NOTAG}, 621 {{T_DIRECT, T_FIXED, 622 "MST ", "SnapLink ", ""}, PQUIRK_NOLUNS}, 623 {{T_DIRECT, T_FIXED, 624 "NEC ", "D3847 ", "0307"}, PQUIRK_NOLUNS}, 625 {{T_DIRECT, T_FIXED, 626 "QUANTUM ", "ELS85S ", ""}, PQUIRK_AUTOSAVE}, 627 {{T_DIRECT, T_FIXED, 628 "QUANTUM ", "LPS525S ", ""}, PQUIRK_NOLUNS}, 629 {{T_DIRECT, T_FIXED, 630 "QUANTUM ", "P105S 910-10-94x", ""}, PQUIRK_NOLUNS}, 631 {{T_DIRECT, T_FIXED, 632 "QUANTUM ", "PD1225S ", ""}, PQUIRK_NOLUNS}, 633 {{T_DIRECT, T_FIXED, 634 "QUANTUM ", "PD210S SUN0207", ""}, PQUIRK_NOLUNS}, 635 {{T_DIRECT, T_FIXED, 636 "QUANTUM ", "ATLAS IV 9 WLS", "0A0A"}, PQUIRK_CAP_NODT}, 637 {{T_DIRECT, T_FIXED, 638 "RODIME ", "RO3000S ", ""}, PQUIRK_NOLUNS}, 639 {{T_DIRECT, T_FIXED, 640 "SEAGATE ", "ST125N ", ""}, PQUIRK_NOLUNS}, 641 {{T_DIRECT, T_FIXED, 642 "SEAGATE ", "ST157N ", ""}, PQUIRK_NOLUNS}, 643 {{T_DIRECT, T_FIXED, 644 "SEAGATE ", "ST296 ", ""}, PQUIRK_NOLUNS}, 645 {{T_DIRECT, T_FIXED, 646 "SEAGATE ", "ST296N ", ""}, PQUIRK_NOLUNS}, 647 {{T_DIRECT, T_FIXED, 648 "SEAGATE ", "ST318404LC ", ""}, PQUIRK_NOLUNS}, 649 {{T_DIRECT, T_FIXED, 650 "SEAGATE ", "ST15150N ", ""}, PQUIRK_NOTAG}, 651 {{T_DIRECT, T_FIXED, 652 "SEAGATE ", "ST19171", ""}, PQUIRK_NOMODESENSE}, 653 {{T_DIRECT, T_FIXED, 654 "SEAGATE ", "ST32430N", ""}, PQUIRK_CAP_SYNC}, 655 {{T_DIRECT, T_FIXED, 656 "SEAGATE ", "ST34501FC ", ""}, PQUIRK_NOMODESENSE}, 657 {{T_DIRECT, T_FIXED, 658 "SEAGATE ", "SX910800N", ""}, PQUIRK_NOTAG}, 659 {{T_DIRECT, T_FIXED, 660 "TOSHIBA ", "MK538FB ", "6027"}, PQUIRK_NOLUNS}, 661 {{T_DIRECT, T_FIXED, 662 "MICROP ", "1924", ""}, PQUIRK_CAP_SYNC}, 663 {{T_DIRECT, T_FIXED, 664 "FUJITSU ", "M2266", ""}, PQUIRK_CAP_SYNC}, 665 {{T_DIRECT, T_FIXED, 666 "FUJITSU ", "M2624S-512 ", ""}, PQUIRK_CAP_SYNC}, 667 {{T_DIRECT, T_FIXED, 668 "SEAGATE ", "SX336704LC" , ""}, PQUIRK_CAP_SYNC | PQUIRK_CAP_WIDE16}, 669 {{T_DIRECT, T_FIXED, 670 "SEAGATE ", "SX173404LC", ""}, PQUIRK_CAP_SYNC | PQUIRK_CAP_WIDE16}, 671 672 {{T_DIRECT, T_REMOV, 673 "IOMEGA", "ZIP 100", "J.03"}, PQUIRK_NOLUNS|PQUIRK_NOSYNC}, 674 {{T_DIRECT, T_REMOV, 675 "INSITE", "I325VM", ""}, PQUIRK_NOLUNS}, 676 677 /* XXX: QIC-36 tape behind Emulex adapter. Very broken. */ 678 {{T_SEQUENTIAL, T_REMOV, 679 " ", " ", " "}, PQUIRK_NOLUNS}, 680 {{T_SEQUENTIAL, T_REMOV, 681 "EMULEX ", "MT-02 QIC ", ""}, PQUIRK_NOLUNS}, 682 {{T_SEQUENTIAL, T_REMOV, 683 "CALIPER ", "CP150 ", ""}, PQUIRK_NOLUNS}, 684 {{T_SEQUENTIAL, T_REMOV, 685 "EXABYTE ", "EXB-8200 ", ""}, PQUIRK_NOLUNS}, 686 {{T_SEQUENTIAL, T_REMOV, 687 "SONY ", "GY-10C ", ""}, PQUIRK_NOLUNS}, 688 {{T_SEQUENTIAL, T_REMOV, 689 "SONY ", "SDT-2000 ", "2.09"}, PQUIRK_NOLUNS}, 690 {{T_SEQUENTIAL, T_REMOV, 691 "SONY ", "SDT-5000 ", "3."}, PQUIRK_NOSYNC|PQUIRK_NOWIDE}, 692 {{T_SEQUENTIAL, T_REMOV, 693 "SONY ", "SDT-5200 ", "3."}, PQUIRK_NOLUNS}, 694 {{T_SEQUENTIAL, T_REMOV, 695 "TANDBERG", " TDC 3600 ", ""}, PQUIRK_NOLUNS}, 696 /* Following entry reported as a Tandberg 3600; ref. PR1933 */ 697 {{T_SEQUENTIAL, T_REMOV, 698 "ARCHIVE ", "VIPER 150 21247", ""}, PQUIRK_NOLUNS}, 699 /* Following entry for a Cipher ST150S; ref. PR4171 */ 700 {{T_SEQUENTIAL, T_REMOV, 701 "ARCHIVE ", "VIPER 1500 21247", "2.2G"}, PQUIRK_NOLUNS}, 702 {{T_SEQUENTIAL, T_REMOV, 703 "ARCHIVE ", "Python 28454-XXX", ""}, PQUIRK_NOLUNS}, 704 {{T_SEQUENTIAL, T_REMOV, 705 "WANGTEK ", "5099ES SCSI", ""}, PQUIRK_NOLUNS}, 706 {{T_SEQUENTIAL, T_REMOV, 707 "WANGTEK ", "5150ES SCSI", ""}, PQUIRK_NOLUNS}, 708 {{T_SEQUENTIAL, T_REMOV, 709 "WANGTEK ", "SCSI-36", ""}, PQUIRK_NOLUNS}, 710 {{T_SEQUENTIAL, T_REMOV, 711 "WangDAT ", "Model 1300 ", "02.4"}, PQUIRK_NOSYNC|PQUIRK_NOWIDE}, 712 {{T_SEQUENTIAL, T_REMOV, 713 "WangDAT ", "Model 2600 ", "01.7"}, PQUIRK_NOSYNC|PQUIRK_NOWIDE}, 714 {{T_SEQUENTIAL, T_REMOV, 715 "WangDAT ", "Model 3200 ", "02.2"}, PQUIRK_NOSYNC|PQUIRK_NOWIDE}, 716 {{T_SEQUENTIAL, T_REMOV, 717 "TEAC ", "MT-2ST/N50 ", ""}, PQUIRK_NOLUNS}, 718 719 {{T_SCANNER, T_FIXED, 720 "RICOH ", "IS60 ", "1R08"}, PQUIRK_NOLUNS}, 721 {{T_SCANNER, T_FIXED, 722 "UMAX ", "Astra 1200S ", "V2.9"}, PQUIRK_NOLUNS}, 723 {{T_SCANNER, T_FIXED, 724 "UMAX ", "Astra 1220S ", ""}, PQUIRK_NOLUNS}, 725 {{T_SCANNER, T_FIXED, 726 "UMAX ", "UMAX S-6E ", "V2.0"}, PQUIRK_NOLUNS}, 727 {{T_SCANNER, T_FIXED, 728 "UMAX ", "UMAX S-12 ", "V2.1"}, PQUIRK_NOLUNS}, 729 {{T_SCANNER, T_FIXED, 730 "ULTIMA ", "A6000C ", ""}, PQUIRK_NOLUNS}, 731 {{T_PROCESSOR, T_FIXED, 732 "ESG-SHV", "SCA HSBP M15", ""}, PQUIRK_NOLUNS}, 733 {{T_PROCESSOR, T_FIXED, 734 "SYMBIOS", "", ""}, PQUIRK_NOLUNS}, 735 {{T_PROCESSOR, T_FIXED, 736 "LITRONIC", "PCMCIA ", ""}, PQUIRK_NOLUNS}, 737 {{T_CHANGER, T_REMOV, 738 "SONY ", "CDL1100 ", ""}, PQUIRK_NOLUNS}, 739 {{T_ENCLOSURE, T_FIXED, 740 "SUN ", "SENA ", ""}, PQUIRK_NOLUNS}, 741 }; 742 743 /* 744 * given a target and lun, ask the device what 745 * it is, and find the correct driver table 746 * entry. 747 */ 748 static int 749 scsi_probe_device(struct scsibus_softc *sc, int target, int lun) 750 { 751 struct scsipi_channel *chan = sc->sc_channel; 752 struct scsipi_periph *periph; 753 struct scsipi_inquiry_data inqbuf; 754 const struct scsi_quirk_inquiry_pattern *finger; 755 int checkdtype, priority, docontinue, quirks; 756 struct scsipibus_attach_args sa; 757 cfdata_t cf; 758 int locs[SCSIBUSCF_NLOCS]; 759 device_t chld; 760 761 /* 762 * Assume no more luns to search after this one. 763 * If we successfully get Inquiry data and after 764 * merging quirks we find we can probe for more 765 * luns, we will. 766 */ 767 docontinue = 0; 768 769 /* Skip this slot if it is already attached. */ 770 if (scsipi_lookup_periph(chan, target, lun) != NULL) 771 return (docontinue); 772 773 periph = scsipi_alloc_periph(M_NOWAIT); 774 if (periph == NULL) { 775 #ifdef DIAGNOSTIC 776 aprint_error_dev(sc->sc_dev, 777 "cannot allocate periph for target %d lun %d\n", 778 target, lun); 779 #endif 780 return (ENOMEM); 781 } 782 periph->periph_channel = chan; 783 periph->periph_switch = &scsi_probe_dev; 784 785 periph->periph_target = target; 786 periph->periph_lun = lun; 787 periph->periph_quirks = chan->chan_defquirks; 788 789 #ifdef SCSIPI_DEBUG 790 if (SCSIPI_DEBUG_TYPE == SCSIPI_BUSTYPE_SCSI && 791 SCSIPI_DEBUG_TARGET == target && 792 SCSIPI_DEBUG_LUN == lun) 793 periph->periph_dbflags |= SCSIPI_DEBUG_FLAGS; 794 #endif 795 796 /* 797 * Ask the device what it is 798 */ 799 800 #ifdef SCSI_2_DEF 801 /* some devices need to be told to go to SCSI2 */ 802 /* However some just explode if you tell them this.. leave it out */ 803 scsi_change_def(periph, XS_CTL_DISCOVERY | XS_CTL_SILENT); 804 #endif /* SCSI_2_DEF */ 805 806 /* Now go ask the device all about itself. */ 807 memset(&inqbuf, 0, sizeof(inqbuf)); 808 { 809 u_int8_t *extension = &inqbuf.flags1; 810 int len = 0; 811 while (len < 3) 812 extension[len++] = '\0'; 813 while (len < 3 + 28) 814 extension[len++] = ' '; 815 while (len < 3 + 28 + 20) 816 extension[len++] = '\0'; 817 while (len < 3 + 28 + 20 + 1) 818 extension[len++] = '\0'; 819 while (len < 3 + 28 + 20 + 1 + 1) 820 extension[len++] = '\0'; 821 while (len < 3 + 28 + 20 + 1 + 1 + (8*2)) 822 extension[len++] = ' '; 823 } 824 if (scsipi_inquire(periph, &inqbuf, XS_CTL_DISCOVERY | XS_CTL_SILENT)) 825 goto bad; 826 827 periph->periph_type = inqbuf.device & SID_TYPE; 828 if (inqbuf.dev_qual2 & SID_REMOVABLE) 829 periph->periph_flags |= PERIPH_REMOVABLE; 830 periph->periph_version = inqbuf.version & SID_ANSII; 831 832 /* 833 * Any device qualifier that has the top bit set (qualifier&4 != 0) 834 * is vendor specific and won't match in this switch. 835 * All we do here is throw out bad/negative responses. 836 */ 837 checkdtype = 0; 838 switch (inqbuf.device & SID_QUAL) { 839 case SID_QUAL_LU_PRESENT: 840 checkdtype = 1; 841 break; 842 843 case SID_QUAL_LU_NOTPRESENT: 844 case SID_QUAL_reserved: 845 case SID_QUAL_LU_NOT_SUPP: 846 goto bad; 847 848 default: 849 break; 850 } 851 852 /* Let the adapter driver handle the device separatley if it wants. */ 853 if (chan->chan_adapter->adapt_accesschk != NULL && 854 (*chan->chan_adapter->adapt_accesschk)(periph, &sa.sa_inqbuf)) 855 goto bad; 856 857 if (checkdtype) { 858 switch (periph->periph_type) { 859 case T_DIRECT: 860 case T_SEQUENTIAL: 861 case T_PRINTER: 862 case T_PROCESSOR: 863 case T_WORM: 864 case T_CDROM: 865 case T_SCANNER: 866 case T_OPTICAL: 867 case T_CHANGER: 868 case T_COMM: 869 case T_IT8_1: 870 case T_IT8_2: 871 case T_STORARRAY: 872 case T_ENCLOSURE: 873 case T_SIMPLE_DIRECT: 874 case T_OPTIC_CARD_RW: 875 case T_OBJECT_STORED: 876 default: 877 break; 878 case T_NODEVICE: 879 goto bad; 880 } 881 } 882 883 sa.sa_periph = periph; 884 sa.sa_inqbuf.type = inqbuf.device; 885 sa.sa_inqbuf.removable = inqbuf.dev_qual2 & SID_REMOVABLE ? 886 T_REMOV : T_FIXED; 887 sa.sa_inqbuf.vendor = inqbuf.vendor; 888 sa.sa_inqbuf.product = inqbuf.product; 889 sa.sa_inqbuf.revision = inqbuf.revision; 890 sa.scsipi_info.scsi_version = inqbuf.version; 891 sa.sa_inqptr = &inqbuf; 892 893 finger = scsipi_inqmatch( 894 &sa.sa_inqbuf, scsi_quirk_patterns, 895 sizeof(scsi_quirk_patterns)/sizeof(scsi_quirk_patterns[0]), 896 sizeof(scsi_quirk_patterns[0]), &priority); 897 898 if (finger != NULL) 899 quirks = finger->quirks; 900 else 901 quirks = 0; 902 903 /* 904 * Determine the operating mode capabilities of the device. 905 */ 906 if (periph->periph_version >= 2) { 907 if ((inqbuf.flags3 & SID_CmdQue) != 0 && 908 (quirks & PQUIRK_NOTAG) == 0) 909 periph->periph_cap |= PERIPH_CAP_TQING; 910 if ((inqbuf.flags3 & SID_Linked) != 0) 911 periph->periph_cap |= PERIPH_CAP_LINKCMDS; 912 if ((inqbuf.flags3 & SID_Sync) != 0 && 913 (quirks & PQUIRK_NOSYNC) == 0) 914 periph->periph_cap |= PERIPH_CAP_SYNC; 915 if ((inqbuf.flags3 & SID_WBus16) != 0 && 916 (quirks & PQUIRK_NOWIDE) == 0) 917 periph->periph_cap |= PERIPH_CAP_WIDE16; 918 if ((inqbuf.flags3 & SID_WBus32) != 0 && 919 (quirks & PQUIRK_NOWIDE) == 0) 920 periph->periph_cap |= PERIPH_CAP_WIDE32; 921 if ((inqbuf.flags3 & SID_SftRe) != 0) 922 periph->periph_cap |= PERIPH_CAP_SFTRESET; 923 if ((inqbuf.flags3 & SID_RelAdr) != 0) 924 periph->periph_cap |= PERIPH_CAP_RELADR; 925 /* SPC-2 */ 926 if (periph->periph_version >= 3 && 927 !(quirks & PQUIRK_CAP_NODT)){ 928 /* 929 * Report ST clocking though CAP_WIDExx/CAP_SYNC. 930 * If the device only supports DT, clear these 931 * flags (DT implies SYNC and WIDE) 932 */ 933 switch (inqbuf.flags4 & SID_Clocking) { 934 case SID_CLOCKING_DT_ONLY: 935 periph->periph_cap &= 936 ~(PERIPH_CAP_SYNC | 937 PERIPH_CAP_WIDE16 | 938 PERIPH_CAP_WIDE32); 939 /* FALLTHROUGH */ 940 case SID_CLOCKING_SD_DT: 941 periph->periph_cap |= PERIPH_CAP_DT; 942 break; 943 default: /* ST only or invalid */ 944 /* nothing to do */ 945 break; 946 } 947 } 948 if (periph->periph_version >= 3) { 949 if (inqbuf.flags4 & SID_IUS) 950 periph->periph_cap |= PERIPH_CAP_IUS; 951 if (inqbuf.flags4 & SID_QAS) 952 periph->periph_cap |= PERIPH_CAP_QAS; 953 } 954 } 955 if (quirks & PQUIRK_CAP_SYNC) 956 periph->periph_cap |= PERIPH_CAP_SYNC; 957 if (quirks & PQUIRK_CAP_WIDE16) 958 periph->periph_cap |= PERIPH_CAP_WIDE16; 959 960 /* 961 * Now apply any quirks from the table. 962 */ 963 periph->periph_quirks |= quirks; 964 if (periph->periph_version == 0 && 965 (periph->periph_quirks & PQUIRK_FORCELUNS) == 0) 966 periph->periph_quirks |= PQUIRK_NOLUNS; 967 968 if ((periph->periph_quirks & PQUIRK_NOLUNS) == 0) 969 docontinue = 1; 970 971 locs[SCSIBUSCF_TARGET] = target; 972 locs[SCSIBUSCF_LUN] = lun; 973 974 if ((cf = config_search_loc(config_stdsubmatch, sc->sc_dev, 975 "scsibus", locs, &sa)) != NULL) { 976 scsipi_insert_periph(chan, periph); 977 /* 978 * XXX Can't assign periph_dev here, because we'll 979 * XXX need it before config_attach() returns. Must 980 * XXX assign it in periph driver. 981 */ 982 chld = config_attach_loc(sc->sc_dev, cf, locs, &sa, 983 scsibusprint); 984 } else { 985 scsibusprint(&sa, device_xname(sc->sc_dev)); 986 aprint_normal(" not configured\n"); 987 goto bad; 988 } 989 990 return (docontinue); 991 992 bad: 993 free(periph, M_DEVBUF); 994 return (docontinue); 995 } 996 997 /****** Entry points for user control of the SCSI bus. ******/ 998 999 static int 1000 scsibusopen(dev_t dev, int flag, int fmt, 1001 struct lwp *l) 1002 { 1003 struct scsibus_softc *sc; 1004 int error, unit = minor(dev); 1005 1006 sc = device_lookup_private(&scsibus_cd, unit); 1007 if (sc == NULL) 1008 return (ENXIO); 1009 1010 if (sc->sc_flags & SCSIBUSF_OPEN) 1011 return (EBUSY); 1012 1013 if ((error = scsipi_adapter_addref(sc->sc_channel->chan_adapter)) != 0) 1014 return (error); 1015 1016 sc->sc_flags |= SCSIBUSF_OPEN; 1017 1018 return (0); 1019 } 1020 1021 static int 1022 scsibusclose(dev_t dev, int flag, int fmt, 1023 struct lwp *l) 1024 { 1025 struct scsibus_softc *sc; 1026 1027 sc = device_lookup_private(&scsibus_cd, minor(dev)); 1028 scsipi_adapter_delref(sc->sc_channel->chan_adapter); 1029 1030 sc->sc_flags &= ~SCSIBUSF_OPEN; 1031 1032 return (0); 1033 } 1034 1035 static int 1036 scsibusioctl(dev_t dev, u_long cmd, void *addr, int flag, struct lwp *l) 1037 { 1038 struct scsibus_softc *sc; 1039 struct scsipi_channel *chan; 1040 int error; 1041 1042 sc = device_lookup_private(&scsibus_cd, minor(dev)); 1043 chan = sc->sc_channel; 1044 1045 /* 1046 * Enforce write permission for ioctls that change the 1047 * state of the bus. Host adapter specific ioctls must 1048 * be checked by the adapter driver. 1049 */ 1050 switch (cmd) { 1051 case SCBUSIOSCAN: 1052 case SCBUSIODETACH: 1053 case SCBUSIORESET: 1054 if ((flag & FWRITE) == 0) 1055 return (EBADF); 1056 } 1057 1058 switch (cmd) { 1059 case SCBUSIOSCAN: 1060 { 1061 struct scbusioscan_args *a = 1062 (struct scbusioscan_args *)addr; 1063 1064 error = scsi_probe_bus(sc, a->sa_target, a->sa_lun); 1065 break; 1066 } 1067 1068 case SCBUSIODETACH: 1069 { 1070 struct scbusiodetach_args *a = 1071 (struct scbusiodetach_args *)addr; 1072 1073 error = scsipi_target_detach(chan, a->sa_target, a->sa_lun, 0); 1074 break; 1075 } 1076 1077 1078 case SCBUSIORESET: 1079 /* FALLTHROUGH */ 1080 default: 1081 if (chan->chan_adapter->adapt_ioctl == NULL) 1082 error = ENOTTY; 1083 else 1084 error = (*chan->chan_adapter->adapt_ioctl)(chan, 1085 cmd, addr, flag, l->l_proc); 1086 break; 1087 } 1088 1089 return (error); 1090 } 1091
Indexes created Mon Sep 29 21:09:56 GMT 2025