scsiconf.c revision 1.268
1 /* $NetBSD: scsiconf.c,v 1.268 2012/05/13 01:03:13 jakllsch 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 1.268 2012/05/13 01:03:13 jakllsch 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 /* XXXSMP scsipi */ 348 KERNEL_LOCK(1, curlwp); 349 350 if (target == -1) { 351 maxtarget = chan->chan_ntargets - 1; 352 mintarget = 0; 353 } else { 354 if (target < 0 || target >= chan->chan_ntargets) 355 return (EINVAL); 356 maxtarget = mintarget = target; 357 } 358 359 if (lun == -1) { 360 maxlun = chan->chan_nluns - 1; 361 minlun = 0; 362 } else { 363 if (lun < 0 || lun >= chan->chan_nluns) 364 return (EINVAL); 365 maxlun = minlun = lun; 366 } 367 368 /* 369 * Some HBAs provide an abstracted view of the bus; give them an 370 * oppertunity to re-scan it before we do. 371 */ 372 if (chan->chan_adapter->adapt_ioctl != NULL) 373 (*chan->chan_adapter->adapt_ioctl)(chan, SCBUSIOLLSCAN, NULL, 374 0, curproc); 375 376 if ((error = scsipi_adapter_addref(chan->chan_adapter)) != 0) 377 goto ret; 378 for (target = mintarget; target <= maxtarget; target++) { 379 if (target == chan->chan_id) 380 continue; 381 for (lun = minlun; lun <= maxlun; lun++) { 382 /* 383 * See if there's a device present, and configure it. 384 */ 385 if (scsi_probe_device(sc, target, lun) == 0) 386 break; 387 /* otherwise something says we should look further */ 388 } 389 390 /* 391 * Now that we've discovered all of the LUNs on this 392 * I_T Nexus, update the xfer mode for all of them 393 * that we know about. 394 */ 395 scsipi_set_xfer_mode(chan, target, 1); 396 } 397 scsipi_adapter_delref(chan->chan_adapter); 398 ret: 399 KERNEL_UNLOCK_ONE(curlwp); 400 return (error); 401 } 402 403 static int 404 scsibusrescan(device_t sc, const char *ifattr, 405 const int *locators) 406 { 407 408 KASSERT(ifattr && !strcmp(ifattr, "scsibus")); 409 KASSERT(locators); 410 411 return (scsi_probe_bus(device_private(sc), 412 locators[SCSIBUSCF_TARGET], locators[SCSIBUSCF_LUN])); 413 } 414 415 static void 416 scsidevdetached(device_t self, device_t child) 417 { 418 struct scsibus_softc *sc = device_private(self); 419 struct scsipi_channel *chan = sc->sc_channel; 420 struct scsipi_periph *periph; 421 int target, lun; 422 423 target = device_locator(child, SCSIBUSCF_TARGET); 424 lun = device_locator(child, SCSIBUSCF_LUN); 425 426 /* XXXSMP scsipi */ 427 KERNEL_LOCK(1, curlwp); 428 429 periph = scsipi_lookup_periph(chan, target, lun); 430 KASSERT(periph->periph_dev == child); 431 432 scsipi_remove_periph(chan, periph); 433 free(periph, M_DEVBUF); 434 435 /* XXXSMP scsipi */ 436 KERNEL_UNLOCK_ONE(curlwp); 437 } 438 439 /* 440 * Print out autoconfiguration information for a subdevice. 441 * 442 * This is a slight abuse of 'standard' autoconfiguration semantics, 443 * because 'print' functions don't normally print the colon and 444 * device information. However, in this case that's better than 445 * either printing redundant information before the attach message, 446 * or having the device driver call a special function to print out 447 * the standard device information. 448 */ 449 static int 450 scsibusprint(void *aux, const char *pnp) 451 { 452 struct scsipibus_attach_args *sa = aux; 453 struct scsipi_inquiry_pattern *inqbuf; 454 u_int8_t type; 455 const char *dtype; 456 char vendor[33], product[65], revision[17]; 457 int target, lun; 458 459 if (pnp != NULL) 460 aprint_normal("%s", pnp); 461 462 inqbuf = &sa->sa_inqbuf; 463 464 target = sa->sa_periph->periph_target; 465 lun = sa->sa_periph->periph_lun; 466 type = inqbuf->type & SID_TYPE; 467 468 dtype = scsipi_dtype(type); 469 470 scsipi_strvis(vendor, 33, inqbuf->vendor, 8); 471 scsipi_strvis(product, 65, inqbuf->product, 16); 472 scsipi_strvis(revision, 17, inqbuf->revision, 4); 473 474 aprint_normal(" target %d lun %d: <%s, %s, %s> %s %s", 475 target, lun, vendor, product, revision, dtype, 476 inqbuf->removable ? "removable" : "fixed"); 477 478 return (UNCONF); 479 } 480 481 static const struct scsi_quirk_inquiry_pattern scsi_quirk_patterns[] = { 482 {{T_DIRECT, T_REMOV, 483 "Apple ", "iPod ", ""}, PQUIRK_START}, 484 {{T_CDROM, T_REMOV, 485 "CHINON ", "CD-ROM CDS-431 ", ""}, PQUIRK_NOLUNS}, 486 {{T_CDROM, T_REMOV, 487 "CHINON ", "CD-ROM CDS-435 ", ""}, PQUIRK_NOLUNS}, 488 {{T_CDROM, T_REMOV, 489 "Chinon ", "CD-ROM CDS-525 ", ""}, PQUIRK_NOLUNS}, 490 {{T_CDROM, T_REMOV, 491 "CHINON ", "CD-ROM CDS-535 ", ""}, PQUIRK_NOLUNS}, 492 {{T_CDROM, T_REMOV, 493 "DEC ", "RRD42 (C) DEC ", ""}, PQUIRK_NOLUNS}, 494 {{T_CDROM, T_REMOV, 495 "DENON ", "DRD-25X ", "V"}, PQUIRK_NOLUNS}, 496 {{T_CDROM, T_REMOV, 497 "GENERIC ", "CRD-BP2 ", ""}, PQUIRK_NOLUNS}, 498 {{T_CDROM, T_REMOV, 499 "HP ", "C4324/C4325 ", ""}, PQUIRK_NOLUNS}, 500 {{T_CDROM, T_REMOV, 501 "IMS ", "CDD521/10 ", "2.06"}, PQUIRK_NOLUNS}, 502 {{T_CDROM, T_REMOV, 503 "MATSHITA", "CD-ROM CR-5XX ", "1.0b"}, PQUIRK_NOLUNS}, 504 {{T_CDROM, T_REMOV, 505 "MEDAVIS ", "RENO CD-ROMX2A ", ""}, PQUIRK_NOLUNS}, 506 {{T_CDROM, T_REMOV, 507 "MEDIAVIS", "CDR-H93MV ", "1.3"}, PQUIRK_NOLUNS}, 508 {{T_CDROM, T_REMOV, 509 "NEC ", "CD-ROM DRIVE:502", ""}, PQUIRK_NOLUNS}, 510 {{T_CDROM, T_REMOV, 511 "NEC ", "CD-ROM DRIVE:55 ", ""}, PQUIRK_NOLUNS}, 512 {{T_CDROM, T_REMOV, 513 "NEC ", "CD-ROM DRIVE:83 ", ""}, PQUIRK_NOLUNS}, 514 {{T_CDROM, T_REMOV, 515 "NEC ", "CD-ROM DRIVE:84 ", ""}, PQUIRK_NOLUNS}, 516 {{T_CDROM, T_REMOV, 517 "NEC ", "CD-ROM DRIVE:841", ""}, PQUIRK_NOLUNS}, 518 {{T_CDROM, T_REMOV, 519 "OLYMPUS ", "CDS620E ", "1.1d"}, 520 PQUIRK_NOLUNS|PQUIRK_NOSYNC|PQUIRK_NOCAPACITY}, 521 {{T_CDROM, T_REMOV, 522 "PIONEER ", "CD-ROM DR-124X ", "1.01"}, PQUIRK_NOLUNS}, 523 {{T_CDROM, T_REMOV, 524 "PLEXTOR ", "CD-ROM PX-4XCS ", "1.01"}, 525 PQUIRK_NOLUNS|PQUIRK_NOSYNC}, 526 {{T_CDROM, T_REMOV, 527 "SONY ", "CD-ROM CDU-541 ", ""}, PQUIRK_NOLUNS}, 528 {{T_CDROM, T_REMOV, 529 "SONY ", "CD-ROM CDU-55S ", ""}, PQUIRK_NOLUNS}, 530 {{T_CDROM, T_REMOV, 531 "SONY ", "CD-ROM CDU-561 ", ""}, PQUIRK_NOLUNS}, 532 {{T_CDROM, T_REMOV, 533 "SONY ", "CD-ROM CDU-76S", ""}, 534 PQUIRK_NOLUNS|PQUIRK_NOSYNC|PQUIRK_NOWIDE}, 535 {{T_CDROM, T_REMOV, 536 "SONY ", "CD-ROM CDU-8003A", ""}, PQUIRK_NOLUNS}, 537 {{T_CDROM, T_REMOV, 538 "SONY ", "CD-ROM CDU-8012 ", ""}, PQUIRK_NOLUNS}, 539 {{T_CDROM, T_REMOV, 540 "TEAC ", "CD-ROM ", "1.06"}, PQUIRK_NOLUNS}, 541 {{T_CDROM, T_REMOV, 542 "TEAC ", "CD-ROM CD-56S ", "1.0B"}, PQUIRK_NOLUNS}, 543 {{T_CDROM, T_REMOV, 544 "TEXEL ", "CD-ROM ", "1.06"}, PQUIRK_NOLUNS}, 545 {{T_CDROM, T_REMOV, 546 "TEXEL ", "CD-ROM DM-XX24 K", "1.09"}, PQUIRK_NOLUNS}, 547 {{T_CDROM, T_REMOV, 548 "TEXEL ", "CD-ROM DM-XX24 K", "1.10"}, PQUIRK_NOLUNS}, 549 {{T_CDROM, T_REMOV, 550 "TOSHIBA ", "XM-4101TASUNSLCD", ""}, PQUIRK_NOLUNS|PQUIRK_NOSYNC}, 551 /* "IBM CDRM00201 !F" 0724 is an IBM OEM Toshiba XM-4101BME */ 552 {{T_CDROM, T_REMOV, 553 "IBM ", "CDRM00201 !F", "0724"}, PQUIRK_NOLUNS|PQUIRK_NOSYNC}, 554 {{T_CDROM, T_REMOV, 555 "ShinaKen", "CD-ROM DM-3x1S", "1.04"}, PQUIRK_NOLUNS}, 556 {{T_CDROM, T_REMOV, 557 "JVC ", "R2626", ""}, PQUIRK_NOLUNS}, 558 {{T_CDROM, T_REMOV, 559 "YAMAHA", "CRW8424S", ""}, PQUIRK_NOLUNS}, 560 {{T_CDROM, T_REMOV, 561 "NEC ", "CD-ROM DRIVE:222", ""}, PQUIRK_NOLUNS|PQUIRK_NOSYNC}, 562 563 {{T_DIRECT, T_FIXED, 564 "MICROP ", "1588-15MBSUN0669", ""}, PQUIRK_AUTOSAVE}, 565 {{T_DIRECT, T_FIXED, 566 "MICROP ", "2217-15MQ1091501", ""}, PQUIRK_NOSYNCCACHE}, 567 {{T_OPTICAL, T_REMOV, 568 "EPSON ", "OMD-5010 ", "3.08"}, PQUIRK_NOLUNS}, 569 {{T_DIRECT, T_FIXED, 570 "ADAPTEC ", "AEC-4412BD", "1.2A"}, PQUIRK_NOMODESENSE}, 571 {{T_DIRECT, T_FIXED, 572 "ADAPTEC ", "ACB-4000", ""}, PQUIRK_FORCELUNS|PQUIRK_AUTOSAVE|PQUIRK_NOMODESENSE}, 573 {{T_DIRECT, T_FIXED, 574 "DEC ", "RZ55 (C) DEC", ""}, PQUIRK_AUTOSAVE}, 575 {{T_DIRECT, T_FIXED, 576 "EMULEX ", "MD21/S2 ESDI", "A00"}, 577 PQUIRK_FORCELUNS|PQUIRK_AUTOSAVE}, 578 {{T_DIRECT, T_FIXED, 579 "MICROP", "1548-15MZ1077801", "HZ2P"}, PQUIRK_NOTAG}, 580 {{T_DIRECT, T_FIXED, 581 "HP ", "C372", ""}, PQUIRK_NOTAG}, 582 {{T_DIRECT, T_FIXED, 583 "IBMRAID ", "0662S", ""}, PQUIRK_AUTOSAVE}, 584 {{T_DIRECT, T_FIXED, 585 "IBM ", "0663H", ""}, PQUIRK_AUTOSAVE}, 586 {{T_DIRECT, T_FIXED, 587 "IBM", "0664", ""}, PQUIRK_AUTOSAVE}, 588 {{T_DIRECT, T_FIXED, 589 /* improperly report DT-only sync mode */ 590 "IBM ", "DXHS36D", ""}, 591 PQUIRK_CAP_SYNC|PQUIRK_CAP_WIDE16}, 592 {{T_DIRECT, T_FIXED, 593 "IBM ", "DXHS18Y", ""}, 594 PQUIRK_CAP_SYNC|PQUIRK_CAP_WIDE16}, 595 {{T_DIRECT, T_FIXED, 596 "IBM ", "H3171-S2", ""}, 597 PQUIRK_NOLUNS|PQUIRK_AUTOSAVE}, 598 {{T_DIRECT, T_FIXED, 599 "IBM ", "KZ-C", ""}, PQUIRK_AUTOSAVE}, 600 /* Broken IBM disk */ 601 {{T_DIRECT, T_FIXED, 602 "" , "DFRSS2F", ""}, PQUIRK_AUTOSAVE}, 603 {{T_DIRECT, T_FIXED, 604 "Initio ", "", ""}, PQUIRK_NOBIGMODESENSE}, 605 {{T_DIRECT, T_REMOV, 606 "MPL ", "MC-DISK- ", ""}, PQUIRK_NOLUNS}, 607 {{T_DIRECT, T_FIXED, 608 "MAXTOR ", "XT-3280 ", ""}, PQUIRK_NOLUNS}, 609 {{T_DIRECT, T_FIXED, 610 "MAXTOR ", "XT-4380S ", ""}, PQUIRK_NOLUNS}, 611 {{T_DIRECT, T_FIXED, 612 "MAXTOR ", "MXT-1240S ", ""}, PQUIRK_NOLUNS}, 613 {{T_DIRECT, T_FIXED, 614 "MAXTOR ", "XT-4170S ", ""}, PQUIRK_NOLUNS}, 615 {{T_DIRECT, T_FIXED, 616 "MAXTOR ", "XT-8760S", ""}, PQUIRK_NOLUNS}, 617 {{T_DIRECT, T_FIXED, 618 "MAXTOR ", "LXT-213S ", ""}, PQUIRK_NOLUNS}, 619 {{T_DIRECT, T_FIXED, 620 "MAXTOR ", "LXT-213S SUN0207", ""}, PQUIRK_NOLUNS}, 621 {{T_DIRECT, T_FIXED, 622 "MAXTOR ", "LXT-200S ", ""}, PQUIRK_NOLUNS}, 623 {{T_DIRECT, T_FIXED, 624 "MEGADRV ", "EV1000", ""}, PQUIRK_NOMODESENSE}, 625 {{T_DIRECT, T_FIXED, 626 "MICROP", "1991-27MZ", ""}, PQUIRK_NOTAG}, 627 {{T_DIRECT, T_FIXED, 628 "MST ", "SnapLink ", ""}, PQUIRK_NOLUNS}, 629 {{T_DIRECT, T_FIXED, 630 "NEC ", "D3847 ", "0307"}, PQUIRK_NOLUNS}, 631 {{T_DIRECT, T_FIXED, 632 "QUANTUM ", "ELS85S ", ""}, PQUIRK_AUTOSAVE}, 633 {{T_DIRECT, T_FIXED, 634 "QUANTUM ", "LPS525S ", ""}, PQUIRK_NOLUNS}, 635 {{T_DIRECT, T_FIXED, 636 "QUANTUM ", "P105S 910-10-94x", ""}, PQUIRK_NOLUNS}, 637 {{T_DIRECT, T_FIXED, 638 "QUANTUM ", "PD1225S ", ""}, PQUIRK_NOLUNS}, 639 {{T_DIRECT, T_FIXED, 640 "QUANTUM ", "PD210S SUN0207", ""}, PQUIRK_NOLUNS}, 641 {{T_DIRECT, T_FIXED, 642 "QUANTUM ", "ATLAS IV 9 WLS", "0A0A"}, PQUIRK_CAP_NODT}, 643 {{T_DIRECT, T_FIXED, 644 "RODIME ", "RO3000S ", ""}, PQUIRK_NOLUNS}, 645 {{T_DIRECT, T_FIXED, 646 "SEAGATE ", "ST125N ", ""}, PQUIRK_NOLUNS}, 647 {{T_DIRECT, T_FIXED, 648 "SEAGATE ", "ST157N ", ""}, PQUIRK_NOLUNS}, 649 {{T_DIRECT, T_FIXED, 650 "SEAGATE ", "ST296 ", ""}, PQUIRK_NOLUNS}, 651 {{T_DIRECT, T_FIXED, 652 "SEAGATE ", "ST296N ", ""}, PQUIRK_NOLUNS}, 653 {{T_DIRECT, T_FIXED, 654 "SEAGATE ", "ST318404LC ", ""}, PQUIRK_NOLUNS}, 655 {{T_DIRECT, T_FIXED, 656 "SEAGATE ", "ST15150N ", ""}, PQUIRK_NOTAG}, 657 {{T_DIRECT, T_FIXED, 658 "SEAGATE ", "ST19171", ""}, PQUIRK_NOMODESENSE}, 659 {{T_DIRECT, T_FIXED, 660 "SEAGATE ", "ST32430N", ""}, PQUIRK_CAP_SYNC}, 661 {{T_DIRECT, T_FIXED, 662 "SEAGATE ", "ST34501FC ", ""}, PQUIRK_NOMODESENSE}, 663 {{T_DIRECT, T_FIXED, 664 "SEAGATE ", "SX910800N", ""}, PQUIRK_NOTAG}, 665 {{T_DIRECT, T_FIXED, 666 "TOSHIBA ", "MK538FB ", "6027"}, PQUIRK_NOLUNS}, 667 {{T_DIRECT, T_FIXED, 668 "MICROP ", "1924", ""}, PQUIRK_CAP_SYNC}, 669 {{T_DIRECT, T_FIXED, 670 "FUJITSU ", "M2266", ""}, PQUIRK_CAP_SYNC}, 671 {{T_DIRECT, T_FIXED, 672 "FUJITSU ", "M2624S-512 ", ""}, PQUIRK_CAP_SYNC}, 673 {{T_DIRECT, T_FIXED, 674 "SEAGATE ", "SX336704LC" , ""}, PQUIRK_CAP_SYNC | PQUIRK_CAP_WIDE16}, 675 {{T_DIRECT, T_FIXED, 676 "SEAGATE ", "SX173404LC", ""}, PQUIRK_CAP_SYNC | PQUIRK_CAP_WIDE16}, 677 678 {{T_DIRECT, T_REMOV, 679 "IOMEGA", "ZIP 100", "J.03"}, PQUIRK_NOLUNS|PQUIRK_NOSYNC}, 680 {{T_DIRECT, T_REMOV, 681 "INSITE", "I325VM", ""}, PQUIRK_NOLUNS}, 682 683 /* XXX: QIC-36 tape behind Emulex adapter. Very broken. */ 684 {{T_SEQUENTIAL, T_REMOV, 685 " ", " ", " "}, PQUIRK_NOLUNS}, 686 {{T_SEQUENTIAL, T_REMOV, 687 "EMULEX ", "MT-02 QIC ", ""}, PQUIRK_NOLUNS}, 688 {{T_SEQUENTIAL, T_REMOV, 689 "CALIPER ", "CP150 ", ""}, PQUIRK_NOLUNS}, 690 {{T_SEQUENTIAL, T_REMOV, 691 "EXABYTE ", "EXB-8200 ", ""}, PQUIRK_NOLUNS}, 692 {{T_SEQUENTIAL, T_REMOV, 693 "SONY ", "GY-10C ", ""}, PQUIRK_NOLUNS}, 694 {{T_SEQUENTIAL, T_REMOV, 695 "SONY ", "SDT-2000 ", "2.09"}, PQUIRK_NOLUNS}, 696 {{T_SEQUENTIAL, T_REMOV, 697 "SONY ", "SDT-5000 ", "3."}, PQUIRK_NOSYNC|PQUIRK_NOWIDE}, 698 {{T_SEQUENTIAL, T_REMOV, 699 "SONY ", "SDT-5200 ", "3."}, PQUIRK_NOLUNS}, 700 {{T_SEQUENTIAL, T_REMOV, 701 "TANDBERG", " TDC 3600 ", ""}, PQUIRK_NOLUNS}, 702 /* Following entry reported as a Tandberg 3600; ref. PR1933 */ 703 {{T_SEQUENTIAL, T_REMOV, 704 "ARCHIVE ", "VIPER 150 21247", ""}, PQUIRK_NOLUNS}, 705 /* Following entry for a Cipher ST150S; ref. PR4171 */ 706 {{T_SEQUENTIAL, T_REMOV, 707 "ARCHIVE ", "VIPER 1500 21247", "2.2G"}, PQUIRK_NOLUNS}, 708 {{T_SEQUENTIAL, T_REMOV, 709 "ARCHIVE ", "Python 28454-XXX", ""}, PQUIRK_NOLUNS}, 710 {{T_SEQUENTIAL, T_REMOV, 711 "WANGTEK ", "5099ES SCSI", ""}, PQUIRK_NOLUNS}, 712 {{T_SEQUENTIAL, T_REMOV, 713 "WANGTEK ", "5150ES SCSI", ""}, PQUIRK_NOLUNS}, 714 {{T_SEQUENTIAL, T_REMOV, 715 "WANGTEK ", "SCSI-36", ""}, PQUIRK_NOLUNS}, 716 {{T_SEQUENTIAL, T_REMOV, 717 "WangDAT ", "Model 1300 ", "02.4"}, PQUIRK_NOSYNC|PQUIRK_NOWIDE}, 718 {{T_SEQUENTIAL, T_REMOV, 719 "WangDAT ", "Model 2600 ", "01.7"}, PQUIRK_NOSYNC|PQUIRK_NOWIDE}, 720 {{T_SEQUENTIAL, T_REMOV, 721 "WangDAT ", "Model 3200 ", "02.2"}, PQUIRK_NOSYNC|PQUIRK_NOWIDE}, 722 {{T_SEQUENTIAL, T_REMOV, 723 "TEAC ", "MT-2ST/N50 ", ""}, PQUIRK_NOLUNS}, 724 725 {{T_SCANNER, T_FIXED, 726 "RICOH ", "IS60 ", "1R08"}, PQUIRK_NOLUNS}, 727 {{T_SCANNER, T_FIXED, 728 "UMAX ", "Astra 1200S ", "V2.9"}, PQUIRK_NOLUNS}, 729 {{T_SCANNER, T_FIXED, 730 "UMAX ", "Astra 1220S ", ""}, PQUIRK_NOLUNS}, 731 {{T_SCANNER, T_FIXED, 732 "UMAX ", "UMAX S-6E ", "V2.0"}, PQUIRK_NOLUNS}, 733 {{T_SCANNER, T_FIXED, 734 "UMAX ", "UMAX S-12 ", "V2.1"}, PQUIRK_NOLUNS}, 735 {{T_SCANNER, T_FIXED, 736 "ULTIMA ", "A6000C ", ""}, PQUIRK_NOLUNS}, 737 {{T_PROCESSOR, T_FIXED, 738 "ESG-SHV", "SCA HSBP M15", ""}, PQUIRK_NOLUNS}, 739 {{T_PROCESSOR, T_FIXED, 740 "SYMBIOS", "", ""}, PQUIRK_NOLUNS}, 741 {{T_PROCESSOR, T_FIXED, 742 "LITRONIC", "PCMCIA ", ""}, PQUIRK_NOLUNS}, 743 {{T_CHANGER, T_REMOV, 744 "SONY ", "CDL1100 ", ""}, PQUIRK_NOLUNS}, 745 {{T_ENCLOSURE, T_FIXED, 746 "SUN ", "SENA ", ""}, PQUIRK_NOLUNS}, 747 }; 748 749 /* 750 * given a target and lun, ask the device what 751 * it is, and find the correct driver table 752 * entry. 753 */ 754 static int 755 scsi_probe_device(struct scsibus_softc *sc, int target, int lun) 756 { 757 struct scsipi_channel *chan = sc->sc_channel; 758 struct scsipi_periph *periph; 759 struct scsipi_inquiry_data inqbuf; 760 const struct scsi_quirk_inquiry_pattern *finger; 761 int checkdtype, priority, docontinue, quirks; 762 struct scsipibus_attach_args sa; 763 cfdata_t cf; 764 int locs[SCSIBUSCF_NLOCS]; 765 device_t chld; 766 767 /* 768 * Assume no more luns to search after this one. 769 * If we successfully get Inquiry data and after 770 * merging quirks we find we can probe for more 771 * luns, we will. 772 */ 773 docontinue = 0; 774 775 /* Skip this slot if it is already attached. */ 776 if (scsipi_lookup_periph(chan, target, lun) != NULL) 777 return (docontinue); 778 779 periph = scsipi_alloc_periph(M_NOWAIT); 780 if (periph == NULL) { 781 #ifdef DIAGNOSTIC 782 aprint_error_dev(sc->sc_dev, 783 "cannot allocate periph for target %d lun %d\n", 784 target, lun); 785 #endif 786 return (ENOMEM); 787 } 788 periph->periph_channel = chan; 789 periph->periph_switch = &scsi_probe_dev; 790 791 periph->periph_target = target; 792 periph->periph_lun = lun; 793 periph->periph_quirks = chan->chan_defquirks; 794 795 #ifdef SCSIPI_DEBUG 796 if (SCSIPI_DEBUG_TYPE == SCSIPI_BUSTYPE_SCSI && 797 SCSIPI_DEBUG_TARGET == target && 798 SCSIPI_DEBUG_LUN == lun) 799 periph->periph_dbflags |= SCSIPI_DEBUG_FLAGS; 800 #endif 801 802 /* 803 * Ask the device what it is 804 */ 805 806 #ifdef SCSI_2_DEF 807 /* some devices need to be told to go to SCSI2 */ 808 /* However some just explode if you tell them this.. leave it out */ 809 scsi_change_def(periph, XS_CTL_DISCOVERY | XS_CTL_SILENT); 810 #endif /* SCSI_2_DEF */ 811 812 /* Now go ask the device all about itself. */ 813 memset(&inqbuf, 0, sizeof(inqbuf)); 814 { 815 u_int8_t *extension = &inqbuf.flags1; 816 int len = 0; 817 while (len < 3) 818 extension[len++] = '\0'; 819 while (len < 3 + 28) 820 extension[len++] = ' '; 821 while (len < 3 + 28 + 20) 822 extension[len++] = '\0'; 823 while (len < 3 + 28 + 20 + 1) 824 extension[len++] = '\0'; 825 while (len < 3 + 28 + 20 + 1 + 1) 826 extension[len++] = '\0'; 827 while (len < 3 + 28 + 20 + 1 + 1 + (8*2)) 828 extension[len++] = ' '; 829 } 830 if (scsipi_inquire(periph, &inqbuf, XS_CTL_DISCOVERY | XS_CTL_SILENT)) 831 goto bad; 832 833 periph->periph_type = inqbuf.device & SID_TYPE; 834 if (inqbuf.dev_qual2 & SID_REMOVABLE) 835 periph->periph_flags |= PERIPH_REMOVABLE; 836 periph->periph_version = inqbuf.version & SID_ANSII; 837 838 /* 839 * Any device qualifier that has the top bit set (qualifier&4 != 0) 840 * is vendor specific and won't match in this switch. 841 * All we do here is throw out bad/negative responses. 842 */ 843 checkdtype = 0; 844 switch (inqbuf.device & SID_QUAL) { 845 case SID_QUAL_LU_PRESENT: 846 checkdtype = 1; 847 break; 848 849 case SID_QUAL_LU_NOTPRESENT: 850 case SID_QUAL_reserved: 851 case SID_QUAL_LU_NOT_SUPP: 852 goto bad; 853 854 default: 855 break; 856 } 857 858 /* Let the adapter driver handle the device separatley if it wants. */ 859 if (chan->chan_adapter->adapt_accesschk != NULL && 860 (*chan->chan_adapter->adapt_accesschk)(periph, &sa.sa_inqbuf)) 861 goto bad; 862 863 if (checkdtype) { 864 switch (periph->periph_type) { 865 case T_DIRECT: 866 case T_SEQUENTIAL: 867 case T_PRINTER: 868 case T_PROCESSOR: 869 case T_WORM: 870 case T_CDROM: 871 case T_SCANNER: 872 case T_OPTICAL: 873 case T_CHANGER: 874 case T_COMM: 875 case T_IT8_1: 876 case T_IT8_2: 877 case T_STORARRAY: 878 case T_ENCLOSURE: 879 case T_SIMPLE_DIRECT: 880 case T_OPTIC_CARD_RW: 881 case T_OBJECT_STORED: 882 default: 883 break; 884 case T_NODEVICE: 885 goto bad; 886 } 887 } 888 889 sa.sa_periph = periph; 890 sa.sa_inqbuf.type = inqbuf.device; 891 sa.sa_inqbuf.removable = inqbuf.dev_qual2 & SID_REMOVABLE ? 892 T_REMOV : T_FIXED; 893 sa.sa_inqbuf.vendor = inqbuf.vendor; 894 sa.sa_inqbuf.product = inqbuf.product; 895 sa.sa_inqbuf.revision = inqbuf.revision; 896 sa.scsipi_info.scsi_version = inqbuf.version; 897 sa.sa_inqptr = &inqbuf; 898 899 finger = scsipi_inqmatch( 900 &sa.sa_inqbuf, scsi_quirk_patterns, 901 sizeof(scsi_quirk_patterns)/sizeof(scsi_quirk_patterns[0]), 902 sizeof(scsi_quirk_patterns[0]), &priority); 903 904 if (finger != NULL) 905 quirks = finger->quirks; 906 else 907 quirks = 0; 908 909 /* 910 * Determine the operating mode capabilities of the device. 911 */ 912 if (periph->periph_version >= 2) { 913 if ((inqbuf.flags3 & SID_CmdQue) != 0 && 914 (quirks & PQUIRK_NOTAG) == 0) 915 periph->periph_cap |= PERIPH_CAP_TQING; 916 if ((inqbuf.flags3 & SID_Linked) != 0) 917 periph->periph_cap |= PERIPH_CAP_LINKCMDS; 918 if ((inqbuf.flags3 & SID_Sync) != 0 && 919 (quirks & PQUIRK_NOSYNC) == 0) 920 periph->periph_cap |= PERIPH_CAP_SYNC; 921 if ((inqbuf.flags3 & SID_WBus16) != 0 && 922 (quirks & PQUIRK_NOWIDE) == 0) 923 periph->periph_cap |= PERIPH_CAP_WIDE16; 924 if ((inqbuf.flags3 & SID_WBus32) != 0 && 925 (quirks & PQUIRK_NOWIDE) == 0) 926 periph->periph_cap |= PERIPH_CAP_WIDE32; 927 if ((inqbuf.flags3 & SID_SftRe) != 0) 928 periph->periph_cap |= PERIPH_CAP_SFTRESET; 929 if ((inqbuf.flags3 & SID_RelAdr) != 0) 930 periph->periph_cap |= PERIPH_CAP_RELADR; 931 /* SPC-2 */ 932 if (periph->periph_version >= 3 && 933 !(quirks & PQUIRK_CAP_NODT)){ 934 /* 935 * Report ST clocking though CAP_WIDExx/CAP_SYNC. 936 * If the device only supports DT, clear these 937 * flags (DT implies SYNC and WIDE) 938 */ 939 switch (inqbuf.flags4 & SID_Clocking) { 940 case SID_CLOCKING_DT_ONLY: 941 periph->periph_cap &= 942 ~(PERIPH_CAP_SYNC | 943 PERIPH_CAP_WIDE16 | 944 PERIPH_CAP_WIDE32); 945 /* FALLTHROUGH */ 946 case SID_CLOCKING_SD_DT: 947 periph->periph_cap |= PERIPH_CAP_DT; 948 break; 949 default: /* ST only or invalid */ 950 /* nothing to do */ 951 break; 952 } 953 } 954 if (periph->periph_version >= 3) { 955 if (inqbuf.flags4 & SID_IUS) 956 periph->periph_cap |= PERIPH_CAP_IUS; 957 if (inqbuf.flags4 & SID_QAS) 958 periph->periph_cap |= PERIPH_CAP_QAS; 959 } 960 } 961 if (quirks & PQUIRK_CAP_SYNC) 962 periph->periph_cap |= PERIPH_CAP_SYNC; 963 if (quirks & PQUIRK_CAP_WIDE16) 964 periph->periph_cap |= PERIPH_CAP_WIDE16; 965 966 /* 967 * Now apply any quirks from the table. 968 */ 969 periph->periph_quirks |= quirks; 970 if (periph->periph_version == 0 && 971 (periph->periph_quirks & PQUIRK_FORCELUNS) == 0) 972 periph->periph_quirks |= PQUIRK_NOLUNS; 973 974 if ((periph->periph_quirks & PQUIRK_NOLUNS) == 0) 975 docontinue = 1; 976 977 locs[SCSIBUSCF_TARGET] = target; 978 locs[SCSIBUSCF_LUN] = lun; 979 980 if ((cf = config_search_loc(config_stdsubmatch, sc->sc_dev, 981 "scsibus", locs, &sa)) != NULL) { 982 scsipi_insert_periph(chan, periph); 983 /* 984 * XXX Can't assign periph_dev here, because we'll 985 * XXX need it before config_attach() returns. Must 986 * XXX assign it in periph driver. 987 */ 988 chld = config_attach_loc(sc->sc_dev, cf, locs, &sa, 989 scsibusprint); 990 } else { 991 scsibusprint(&sa, device_xname(sc->sc_dev)); 992 aprint_normal(" not configured\n"); 993 goto bad; 994 } 995 996 return (docontinue); 997 998 bad: 999 free(periph, M_DEVBUF); 1000 return (docontinue); 1001 } 1002 1003 /****** Entry points for user control of the SCSI bus. ******/ 1004 1005 static int 1006 scsibusopen(dev_t dev, int flag, int fmt, 1007 struct lwp *l) 1008 { 1009 struct scsibus_softc *sc; 1010 int error, unit = minor(dev); 1011 1012 sc = device_lookup_private(&scsibus_cd, unit); 1013 if (sc == NULL) 1014 return (ENXIO); 1015 1016 if (sc->sc_flags & SCSIBUSF_OPEN) 1017 return (EBUSY); 1018 1019 if ((error = scsipi_adapter_addref(sc->sc_channel->chan_adapter)) != 0) 1020 return (error); 1021 1022 sc->sc_flags |= SCSIBUSF_OPEN; 1023 1024 return (0); 1025 } 1026 1027 static int 1028 scsibusclose(dev_t dev, int flag, int fmt, 1029 struct lwp *l) 1030 { 1031 struct scsibus_softc *sc; 1032 1033 sc = device_lookup_private(&scsibus_cd, minor(dev)); 1034 scsipi_adapter_delref(sc->sc_channel->chan_adapter); 1035 1036 sc->sc_flags &= ~SCSIBUSF_OPEN; 1037 1038 return (0); 1039 } 1040 1041 static int 1042 scsibusioctl(dev_t dev, u_long cmd, void *addr, int flag, struct lwp *l) 1043 { 1044 struct scsibus_softc *sc; 1045 struct scsipi_channel *chan; 1046 int error; 1047 1048 sc = device_lookup_private(&scsibus_cd, minor(dev)); 1049 chan = sc->sc_channel; 1050 1051 /* 1052 * Enforce write permission for ioctls that change the 1053 * state of the bus. Host adapter specific ioctls must 1054 * be checked by the adapter driver. 1055 */ 1056 switch (cmd) { 1057 case SCBUSIOSCAN: 1058 case SCBUSIODETACH: 1059 case SCBUSIORESET: 1060 if ((flag & FWRITE) == 0) 1061 return (EBADF); 1062 } 1063 1064 switch (cmd) { 1065 case SCBUSIOSCAN: 1066 { 1067 struct scbusioscan_args *a = 1068 (struct scbusioscan_args *)addr; 1069 1070 error = scsi_probe_bus(sc, a->sa_target, a->sa_lun); 1071 break; 1072 } 1073 1074 case SCBUSIODETACH: 1075 { 1076 struct scbusiodetach_args *a = 1077 (struct scbusiodetach_args *)addr; 1078 1079 error = scsipi_target_detach(chan, a->sa_target, a->sa_lun, 0); 1080 break; 1081 } 1082 1083 1084 case SCBUSIORESET: 1085 /* FALLTHROUGH */ 1086 default: 1087 if (chan->chan_adapter->adapt_ioctl == NULL) 1088 error = ENOTTY; 1089 else 1090 error = (*chan->chan_adapter->adapt_ioctl)(chan, 1091 cmd, addr, flag, l->l_proc); 1092 break; 1093 } 1094 1095 return (error); 1096 } 1097
Indexes created Wed Sep 24 02:09:48 GMT 2025