scsiconf.c revision 1.262.4.4
1 /* $NetBSD: scsiconf.c,v 1.262.4.4 2014/05/22 11:40:35 yamt 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 1.262.4.4 2014/05/22 11:40:35 yamt 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 .d_open = scsibusopen, 110 .d_close = scsibusclose, 111 .d_read = noread, 112 .d_write = nowrite, 113 .d_ioctl = scsibusioctl, 114 .d_stop = nostop, 115 .d_tty = notty, 116 .d_poll = nopoll, 117 .d_mmap = nommap, 118 .d_kqfilter = nokqfilter, 119 .d_flag = D_OTHER 120 }; 121 122 static int scsibusprint(void *, const char *); 123 static void scsibus_config(struct scsipi_channel *, void *); 124 125 const struct scsipi_bustype scsi_bustype = { 126 SCSIPI_BUSTYPE_BUSTYPE(SCSIPI_BUSTYPE_SCSI, SCSIPI_BUSTYPE_SCSI_PSCSI), 127 scsi_scsipi_cmd, 128 scsipi_interpret_sense, 129 scsi_print_addr, 130 scsi_kill_pending, 131 scsi_async_event_xfer_mode, 132 }; 133 134 const struct scsipi_bustype scsi_fc_bustype = { 135 SCSIPI_BUSTYPE_BUSTYPE(SCSIPI_BUSTYPE_SCSI, SCSIPI_BUSTYPE_SCSI_FC), 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_sas_bustype = { 144 SCSIPI_BUSTYPE_BUSTYPE(SCSIPI_BUSTYPE_SCSI, SCSIPI_BUSTYPE_SCSI_SAS), 145 scsi_scsipi_cmd, 146 scsipi_interpret_sense, 147 scsi_print_addr, 148 scsi_kill_pending, 149 scsi_fc_sas_async_event_xfer_mode, 150 }; 151 152 const struct scsipi_bustype scsi_usb_bustype = { 153 SCSIPI_BUSTYPE_BUSTYPE(SCSIPI_BUSTYPE_SCSI, SCSIPI_BUSTYPE_SCSI_USB), 154 scsi_scsipi_cmd, 155 scsipi_interpret_sense, 156 scsi_print_addr, 157 scsi_kill_pending, 158 NULL, 159 }; 160 161 static int 162 scsibus_init(void) 163 { 164 165 TAILQ_INIT(&scsi_initq_head); 166 mutex_init(&scsibus_qlock, MUTEX_DEFAULT, IPL_NONE); 167 cv_init(&scsibus_qcv, "scsinitq"); 168 return 0; 169 } 170 171 int 172 scsiprint(void *aux, const char *pnp) 173 { 174 struct scsipi_channel *chan = aux; 175 struct scsipi_adapter *adapt = chan->chan_adapter; 176 177 /* only "scsibus"es can attach to "scsi"s; easy. */ 178 if (pnp) 179 aprint_normal("scsibus at %s", pnp); 180 181 /* don't print channel if the controller says there can be only one. */ 182 if (adapt->adapt_nchannels != 1) 183 aprint_normal(" channel %d", chan->chan_channel); 184 185 return (UNCONF); 186 } 187 188 static int 189 scsibusmatch(device_t parent, cfdata_t cf, void *aux) 190 { 191 struct scsipi_channel *chan = aux; 192 193 if (SCSIPI_BUSTYPE_TYPE(chan->chan_bustype->bustype_type) != 194 SCSIPI_BUSTYPE_SCSI) 195 return 0; 196 197 if (cf->cf_loc[SCSICF_CHANNEL] != chan->chan_channel && 198 cf->cf_loc[SCSICF_CHANNEL] != SCSICF_CHANNEL_DEFAULT) 199 return (0); 200 201 return (1); 202 } 203 204 static void 205 scsibusattach(device_t parent, device_t self, void *aux) 206 { 207 struct scsibus_softc *sc = device_private(self); 208 struct scsipi_channel *chan = aux; 209 struct scsi_initq *scsi_initq; 210 211 if (!pmf_device_register(self, NULL, NULL)) 212 aprint_error_dev(self, "couldn't establish power handler\n"); 213 214 sc->sc_dev = self; 215 sc->sc_channel = chan; 216 chan->chan_name = device_xname(sc->sc_dev); 217 218 aprint_naive(": SCSI bus\n"); 219 aprint_normal(": %d target%s, %d lun%s per target\n", 220 chan->chan_ntargets, 221 chan->chan_ntargets == 1 ? "" : "s", 222 chan->chan_nluns, 223 chan->chan_nluns == 1 ? "" : "s"); 224 225 /* 226 * XXX 227 * newer adapters support more than 256 outstanding commands 228 * per periph and don't use the tag (they eventually allocate one 229 * internally). Right now scsipi always allocate a tag and 230 * is limited to 256 tags, per scsi specs. 231 * this should be revisited 232 */ 233 if (chan->chan_flags & SCSIPI_CHAN_OPENINGS) { 234 if (chan->chan_max_periph > 256) 235 chan->chan_max_periph = 256; 236 } else { 237 if (chan->chan_adapter->adapt_max_periph > 256) 238 chan->chan_adapter->adapt_max_periph = 256; 239 } 240 241 if (scsipi_adapter_addref(chan->chan_adapter)) 242 return; 243 244 RUN_ONCE(&scsi_conf_ctrl, scsibus_init); 245 246 /* Initialize the channel structure first */ 247 chan->chan_init_cb = scsibus_config; 248 chan->chan_init_cb_arg = sc; 249 250 scsi_initq = malloc(sizeof(struct scsi_initq), M_DEVBUF, M_WAITOK); 251 scsi_initq->sc_channel = chan; 252 TAILQ_INSERT_TAIL(&scsi_initq_head, scsi_initq, scsi_initq); 253 config_pending_incr(sc->sc_dev); 254 if (scsipi_channel_init(chan)) { 255 aprint_error_dev(sc->sc_dev, "failed to init channel\n"); 256 return; 257 } 258 } 259 260 static void 261 scsibus_config(struct scsipi_channel *chan, void *arg) 262 { 263 struct scsibus_softc *sc = arg; 264 struct scsi_initq *scsi_initq; 265 266 #ifndef SCSI_DELAY 267 #define SCSI_DELAY 2 268 #endif 269 if ((chan->chan_flags & SCSIPI_CHAN_NOSETTLE) == 0 && 270 SCSI_DELAY > 0) { 271 aprint_normal_dev(sc->sc_dev, 272 "waiting %d seconds for devices to settle...\n", 273 SCSI_DELAY); 274 /* ...an identifier we know no one will use... */ 275 (void) tsleep(scsibus_config, PRIBIO, 276 "scsidly", SCSI_DELAY * hz); 277 } 278 279 /* Make sure the devices probe in scsibus order to avoid jitter. */ 280 mutex_enter(&scsibus_qlock); 281 for (;;) { 282 scsi_initq = TAILQ_FIRST(&scsi_initq_head); 283 if (scsi_initq->sc_channel == chan) 284 break; 285 cv_wait(&scsibus_qcv, &scsibus_qlock); 286 } 287 mutex_exit(&scsibus_qlock); 288 289 scsi_probe_bus(sc, -1, -1); 290 291 mutex_enter(&scsibus_qlock); 292 TAILQ_REMOVE(&scsi_initq_head, scsi_initq, scsi_initq); 293 cv_broadcast(&scsibus_qcv); 294 mutex_exit(&scsibus_qlock); 295 296 free(scsi_initq, M_DEVBUF); 297 298 scsipi_adapter_delref(chan->chan_adapter); 299 300 config_pending_decr(sc->sc_dev); 301 } 302 303 static int 304 scsibusdetach(device_t self, int flags) 305 { 306 struct scsibus_softc *sc = device_private(self); 307 struct scsipi_channel *chan = sc->sc_channel; 308 struct scsipi_periph *periph; 309 int ctarget, clun; 310 struct scsipi_xfer *xs; 311 int error; 312 313 /* XXXSMP scsipi */ 314 KERNEL_LOCK(1, curlwp); 315 316 /* 317 * Detach all of the periphs. 318 */ 319 if ((error = scsipi_target_detach(chan, -1, -1, flags)) != 0) { 320 /* XXXSMP scsipi */ 321 KERNEL_UNLOCK_ONE(curlwp); 322 323 return error; 324 } 325 326 pmf_device_deregister(self); 327 328 /* 329 * Process outstanding commands (which will never complete as the 330 * controller is gone). 331 * 332 * XXX Surely this is redundant? If we get this far, the 333 * XXX peripherals have all been detached. 334 */ 335 for (ctarget = 0; ctarget < chan->chan_ntargets; ctarget++) { 336 if (ctarget == chan->chan_id) 337 continue; 338 for (clun = 0; clun < chan->chan_nluns; clun++) { 339 periph = scsipi_lookup_periph(chan, ctarget, clun); 340 if (periph == NULL) 341 continue; 342 TAILQ_FOREACH(xs, &periph->periph_xferq, device_q) { 343 callout_stop(&xs->xs_callout); 344 xs->error = XS_DRIVER_STUFFUP; 345 scsipi_done(xs); 346 } 347 } 348 } 349 350 /* 351 * Now shut down the channel. 352 */ 353 scsipi_channel_shutdown(chan); 354 355 /* XXXSMP scsipi */ 356 KERNEL_UNLOCK_ONE(curlwp); 357 358 return 0; 359 } 360 361 /* 362 * Probe the requested scsi bus. It must be already set up. 363 * target and lun optionally narrow the search if not -1 364 */ 365 int 366 scsi_probe_bus(struct scsibus_softc *sc, int target, int lun) 367 { 368 struct scsipi_channel *chan = sc->sc_channel; 369 int maxtarget, mintarget, maxlun, minlun; 370 int error; 371 372 /* XXXSMP scsipi */ 373 KERNEL_LOCK(1, curlwp); 374 375 if (target == -1) { 376 maxtarget = chan->chan_ntargets - 1; 377 mintarget = 0; 378 } else { 379 if (target < 0 || target >= chan->chan_ntargets) 380 return (EINVAL); 381 maxtarget = mintarget = target; 382 } 383 384 if (lun == -1) { 385 maxlun = chan->chan_nluns - 1; 386 minlun = 0; 387 } else { 388 if (lun < 0 || lun >= chan->chan_nluns) 389 return (EINVAL); 390 maxlun = minlun = lun; 391 } 392 393 /* 394 * Some HBAs provide an abstracted view of the bus; give them an 395 * oppertunity to re-scan it before we do. 396 */ 397 if (chan->chan_adapter->adapt_ioctl != NULL) 398 (*chan->chan_adapter->adapt_ioctl)(chan, SCBUSIOLLSCAN, NULL, 399 0, curproc); 400 401 if ((error = scsipi_adapter_addref(chan->chan_adapter)) != 0) 402 goto ret; 403 for (target = mintarget; target <= maxtarget; target++) { 404 if (target == chan->chan_id) 405 continue; 406 for (lun = minlun; lun <= maxlun; lun++) { 407 /* 408 * See if there's a device present, and configure it. 409 */ 410 if (scsi_probe_device(sc, target, lun) == 0) 411 break; 412 /* otherwise something says we should look further */ 413 } 414 415 /* 416 * Now that we've discovered all of the LUNs on this 417 * I_T Nexus, update the xfer mode for all of them 418 * that we know about. 419 */ 420 scsipi_set_xfer_mode(chan, target, 1); 421 } 422 scsipi_adapter_delref(chan->chan_adapter); 423 ret: 424 KERNEL_UNLOCK_ONE(curlwp); 425 return (error); 426 } 427 428 static int 429 scsibusrescan(device_t sc, const char *ifattr, 430 const int *locators) 431 { 432 433 KASSERT(ifattr && !strcmp(ifattr, "scsibus")); 434 KASSERT(locators); 435 436 return (scsi_probe_bus(device_private(sc), 437 locators[SCSIBUSCF_TARGET], locators[SCSIBUSCF_LUN])); 438 } 439 440 static void 441 scsidevdetached(device_t self, device_t child) 442 { 443 struct scsibus_softc *sc = device_private(self); 444 struct scsipi_channel *chan = sc->sc_channel; 445 struct scsipi_periph *periph; 446 int target, lun; 447 448 target = device_locator(child, SCSIBUSCF_TARGET); 449 lun = device_locator(child, SCSIBUSCF_LUN); 450 451 /* XXXSMP scsipi */ 452 KERNEL_LOCK(1, curlwp); 453 454 periph = scsipi_lookup_periph(chan, target, lun); 455 KASSERT(periph->periph_dev == child); 456 457 scsipi_remove_periph(chan, periph); 458 free(periph, M_DEVBUF); 459 460 /* XXXSMP scsipi */ 461 KERNEL_UNLOCK_ONE(curlwp); 462 } 463 464 /* 465 * Print out autoconfiguration information for a subdevice. 466 * 467 * This is a slight abuse of 'standard' autoconfiguration semantics, 468 * because 'print' functions don't normally print the colon and 469 * device information. However, in this case that's better than 470 * either printing redundant information before the attach message, 471 * or having the device driver call a special function to print out 472 * the standard device information. 473 */ 474 static int 475 scsibusprint(void *aux, const char *pnp) 476 { 477 struct scsipibus_attach_args *sa = aux; 478 struct scsipi_inquiry_pattern *inqbuf; 479 u_int8_t type; 480 const char *dtype; 481 char vendor[33], product[65], revision[17]; 482 int target, lun; 483 484 if (pnp != NULL) 485 aprint_normal("%s", pnp); 486 487 inqbuf = &sa->sa_inqbuf; 488 489 target = sa->sa_periph->periph_target; 490 lun = sa->sa_periph->periph_lun; 491 type = inqbuf->type & SID_TYPE; 492 493 dtype = scsipi_dtype(type); 494 495 scsipi_strvis(vendor, 33, inqbuf->vendor, 8); 496 scsipi_strvis(product, 65, inqbuf->product, 16); 497 scsipi_strvis(revision, 17, inqbuf->revision, 4); 498 499 aprint_normal(" target %d lun %d: <%s, %s, %s> %s %s", 500 target, lun, vendor, product, revision, dtype, 501 inqbuf->removable ? "removable" : "fixed"); 502 503 return (UNCONF); 504 } 505 506 static const struct scsi_quirk_inquiry_pattern scsi_quirk_patterns[] = { 507 {{T_DIRECT, T_REMOV, 508 "Apple ", "iPod ", ""}, PQUIRK_START}, 509 {{T_CDROM, T_REMOV, 510 "CHINON ", "CD-ROM CDS-431 ", ""}, PQUIRK_NOLUNS}, 511 {{T_CDROM, T_REMOV, 512 "CHINON ", "CD-ROM CDS-435 ", ""}, PQUIRK_NOLUNS}, 513 {{T_CDROM, T_REMOV, 514 "Chinon ", "CD-ROM CDS-525 ", ""}, PQUIRK_NOLUNS}, 515 {{T_CDROM, T_REMOV, 516 "CHINON ", "CD-ROM CDS-535 ", ""}, PQUIRK_NOLUNS}, 517 {{T_CDROM, T_REMOV, 518 "DEC ", "RRD42 (C) DEC ", ""}, PQUIRK_NOLUNS}, 519 {{T_CDROM, T_REMOV, 520 "DENON ", "DRD-25X ", "V"}, PQUIRK_NOLUNS}, 521 {{T_CDROM, T_REMOV, 522 "GENERIC ", "CRD-BP2 ", ""}, PQUIRK_NOLUNS}, 523 {{T_CDROM, T_REMOV, 524 "HP ", "C4324/C4325 ", ""}, PQUIRK_NOLUNS}, 525 {{T_CDROM, T_REMOV, 526 "IMS ", "CDD521/10 ", "2.06"}, PQUIRK_NOLUNS}, 527 {{T_CDROM, T_REMOV, 528 "MATSHITA", "CD-ROM CR-5XX ", "1.0b"}, PQUIRK_NOLUNS}, 529 {{T_CDROM, T_REMOV, 530 "MEDAVIS ", "RENO CD-ROMX2A ", ""}, PQUIRK_NOLUNS}, 531 {{T_CDROM, T_REMOV, 532 "MEDIAVIS", "CDR-H93MV ", "1.3"}, PQUIRK_NOLUNS}, 533 {{T_CDROM, T_REMOV, 534 "NEC ", "CD-ROM DRIVE:502", ""}, PQUIRK_NOLUNS}, 535 {{T_CDROM, T_REMOV, 536 "NEC ", "CD-ROM DRIVE:55 ", ""}, PQUIRK_NOLUNS}, 537 {{T_CDROM, T_REMOV, 538 "NEC ", "CD-ROM DRIVE:83 ", ""}, PQUIRK_NOLUNS}, 539 {{T_CDROM, T_REMOV, 540 "NEC ", "CD-ROM DRIVE:84 ", ""}, PQUIRK_NOLUNS}, 541 {{T_CDROM, T_REMOV, 542 "NEC ", "CD-ROM DRIVE:841", ""}, PQUIRK_NOLUNS}, 543 {{T_CDROM, T_REMOV, 544 "OLYMPUS ", "CDS620E ", "1.1d"}, 545 PQUIRK_NOLUNS|PQUIRK_NOSYNC|PQUIRK_NOCAPACITY}, 546 {{T_CDROM, T_REMOV, 547 "PIONEER ", "CD-ROM DR-124X ", "1.01"}, PQUIRK_NOLUNS}, 548 {{T_CDROM, T_REMOV, 549 "PLEXTOR ", "CD-ROM PX-4XCS ", "1.01"}, 550 PQUIRK_NOLUNS|PQUIRK_NOSYNC}, 551 {{T_CDROM, T_REMOV, 552 "SONY ", "CD-ROM CDU-541 ", ""}, PQUIRK_NOLUNS}, 553 {{T_CDROM, T_REMOV, 554 "SONY ", "CD-ROM CDU-55S ", ""}, PQUIRK_NOLUNS}, 555 {{T_CDROM, T_REMOV, 556 "SONY ", "CD-ROM CDU-561 ", ""}, PQUIRK_NOLUNS}, 557 {{T_CDROM, T_REMOV, 558 "SONY ", "CD-ROM CDU-76S", ""}, 559 PQUIRK_NOLUNS|PQUIRK_NOSYNC|PQUIRK_NOWIDE}, 560 {{T_CDROM, T_REMOV, 561 "SONY ", "CD-ROM CDU-8003A", ""}, PQUIRK_NOLUNS}, 562 {{T_CDROM, T_REMOV, 563 "SONY ", "CD-ROM CDU-8012 ", ""}, PQUIRK_NOLUNS}, 564 {{T_CDROM, T_REMOV, 565 "TEAC ", "CD-ROM ", "1.06"}, PQUIRK_NOLUNS}, 566 {{T_CDROM, T_REMOV, 567 "TEAC ", "CD-ROM CD-56S ", "1.0B"}, PQUIRK_NOLUNS}, 568 {{T_CDROM, T_REMOV, 569 "TEXEL ", "CD-ROM ", "1.06"}, PQUIRK_NOLUNS}, 570 {{T_CDROM, T_REMOV, 571 "TEXEL ", "CD-ROM DM-XX24 K", "1.09"}, PQUIRK_NOLUNS}, 572 {{T_CDROM, T_REMOV, 573 "TEXEL ", "CD-ROM DM-XX24 K", "1.10"}, PQUIRK_NOLUNS}, 574 {{T_CDROM, T_REMOV, 575 "TOSHIBA ", "XM-4101TASUNSLCD", ""}, PQUIRK_NOLUNS|PQUIRK_NOSYNC}, 576 /* "IBM CDRM00201 !F" 0724 is an IBM OEM Toshiba XM-4101BME */ 577 {{T_CDROM, T_REMOV, 578 "IBM ", "CDRM00201 !F", "0724"}, PQUIRK_NOLUNS|PQUIRK_NOSYNC}, 579 {{T_CDROM, T_REMOV, 580 "ShinaKen", "CD-ROM DM-3x1S", "1.04"}, PQUIRK_NOLUNS}, 581 {{T_CDROM, T_REMOV, 582 "JVC ", "R2626", ""}, PQUIRK_NOLUNS}, 583 {{T_CDROM, T_REMOV, 584 "YAMAHA", "CRW8424S", ""}, PQUIRK_NOLUNS}, 585 {{T_CDROM, T_REMOV, 586 "NEC ", "CD-ROM DRIVE:222", ""}, PQUIRK_NOLUNS|PQUIRK_NOSYNC}, 587 588 {{T_DIRECT, T_FIXED, 589 "MICROP ", "1588-15MBSUN0669", ""}, PQUIRK_AUTOSAVE}, 590 {{T_DIRECT, T_FIXED, 591 "MICROP ", "2217-15MQ1091501", ""}, PQUIRK_NOSYNCCACHE}, 592 {{T_OPTICAL, T_REMOV, 593 "EPSON ", "OMD-5010 ", "3.08"}, PQUIRK_NOLUNS}, 594 {{T_DIRECT, T_FIXED, 595 "ADAPTEC ", "AEC-4412BD", "1.2A"}, PQUIRK_NOMODESENSE}, 596 {{T_DIRECT, T_FIXED, 597 "ADAPTEC ", "ACB-4000", ""}, PQUIRK_FORCELUNS|PQUIRK_AUTOSAVE|PQUIRK_NOMODESENSE}, 598 {{T_DIRECT, T_FIXED, 599 "DEC ", "RZ55 (C) DEC", ""}, PQUIRK_AUTOSAVE}, 600 {{T_DIRECT, T_FIXED, 601 "EMULEX ", "MD21/S2 ESDI", "A00"}, 602 PQUIRK_FORCELUNS|PQUIRK_AUTOSAVE}, 603 {{T_DIRECT, T_FIXED, 604 "MICROP", "1548-15MZ1077801", "HZ2P"}, PQUIRK_NOTAG}, 605 {{T_DIRECT, T_FIXED, 606 "HP ", "C372", ""}, PQUIRK_NOTAG}, 607 {{T_DIRECT, T_FIXED, 608 "IBMRAID ", "0662S", ""}, PQUIRK_AUTOSAVE}, 609 {{T_DIRECT, T_FIXED, 610 "IBM ", "0663H", ""}, PQUIRK_AUTOSAVE}, 611 {{T_DIRECT, T_FIXED, 612 "IBM", "0664", ""}, PQUIRK_AUTOSAVE}, 613 {{T_DIRECT, T_FIXED, 614 /* improperly report DT-only sync mode */ 615 "IBM ", "DXHS36D", ""}, 616 PQUIRK_CAP_SYNC|PQUIRK_CAP_WIDE16}, 617 {{T_DIRECT, T_FIXED, 618 "IBM ", "DXHS18Y", ""}, 619 PQUIRK_CAP_SYNC|PQUIRK_CAP_WIDE16}, 620 {{T_DIRECT, T_FIXED, 621 "IBM ", "H3171-S2", ""}, 622 PQUIRK_NOLUNS|PQUIRK_AUTOSAVE}, 623 {{T_DIRECT, T_FIXED, 624 "IBM ", "KZ-C", ""}, PQUIRK_AUTOSAVE}, 625 /* Broken IBM disk */ 626 {{T_DIRECT, T_FIXED, 627 "" , "DFRSS2F", ""}, PQUIRK_AUTOSAVE}, 628 {{T_DIRECT, T_FIXED, 629 "Initio ", "", ""}, PQUIRK_NOBIGMODESENSE}, 630 {{T_DIRECT, T_REMOV, 631 "MPL ", "MC-DISK- ", ""}, PQUIRK_NOLUNS}, 632 {{T_DIRECT, T_FIXED, 633 "MAXTOR ", "XT-3280 ", ""}, PQUIRK_NOLUNS}, 634 {{T_DIRECT, T_FIXED, 635 "MAXTOR ", "XT-4380S ", ""}, PQUIRK_NOLUNS}, 636 {{T_DIRECT, T_FIXED, 637 "MAXTOR ", "MXT-1240S ", ""}, PQUIRK_NOLUNS}, 638 {{T_DIRECT, T_FIXED, 639 "MAXTOR ", "XT-4170S ", ""}, PQUIRK_NOLUNS}, 640 {{T_DIRECT, T_FIXED, 641 "MAXTOR ", "XT-8760S", ""}, PQUIRK_NOLUNS}, 642 {{T_DIRECT, T_FIXED, 643 "MAXTOR ", "LXT-213S ", ""}, PQUIRK_NOLUNS}, 644 {{T_DIRECT, T_FIXED, 645 "MAXTOR ", "LXT-213S SUN0207", ""}, PQUIRK_NOLUNS}, 646 {{T_DIRECT, T_FIXED, 647 "MAXTOR ", "LXT-200S ", ""}, PQUIRK_NOLUNS}, 648 {{T_DIRECT, T_FIXED, 649 "MEGADRV ", "EV1000", ""}, PQUIRK_NOMODESENSE}, 650 {{T_DIRECT, T_FIXED, 651 "MICROP", "1991-27MZ", ""}, PQUIRK_NOTAG}, 652 {{T_DIRECT, T_FIXED, 653 "MST ", "SnapLink ", ""}, PQUIRK_NOLUNS}, 654 {{T_DIRECT, T_FIXED, 655 "NEC ", "D3847 ", "0307"}, PQUIRK_NOLUNS}, 656 {{T_DIRECT, T_FIXED, 657 "QUANTUM ", "ELS85S ", ""}, PQUIRK_AUTOSAVE}, 658 {{T_DIRECT, T_FIXED, 659 "QUANTUM ", "LPS525S ", ""}, PQUIRK_NOLUNS}, 660 {{T_DIRECT, T_FIXED, 661 "QUANTUM ", "P105S 910-10-94x", ""}, PQUIRK_NOLUNS}, 662 {{T_DIRECT, T_FIXED, 663 "QUANTUM ", "PD1225S ", ""}, PQUIRK_NOLUNS}, 664 {{T_DIRECT, T_FIXED, 665 "QUANTUM ", "PD210S SUN0207", ""}, PQUIRK_NOLUNS}, 666 {{T_DIRECT, T_FIXED, 667 "QUANTUM ", "ATLAS IV 9 WLS", "0A0A"}, PQUIRK_CAP_NODT}, 668 {{T_DIRECT, T_FIXED, 669 "RODIME ", "RO3000S ", ""}, PQUIRK_NOLUNS}, 670 {{T_DIRECT, T_FIXED, 671 "SEAGATE ", "ST125N ", ""}, PQUIRK_NOLUNS}, 672 {{T_DIRECT, T_FIXED, 673 "SEAGATE ", "ST157N ", ""}, PQUIRK_NOLUNS}, 674 {{T_DIRECT, T_FIXED, 675 "SEAGATE ", "ST296 ", ""}, PQUIRK_NOLUNS}, 676 {{T_DIRECT, T_FIXED, 677 "SEAGATE ", "ST296N ", ""}, PQUIRK_NOLUNS}, 678 {{T_DIRECT, T_FIXED, 679 "SEAGATE ", "ST318404LC ", ""}, PQUIRK_NOLUNS}, 680 {{T_DIRECT, T_FIXED, 681 "SEAGATE ", "ST15150N ", ""}, PQUIRK_NOTAG}, 682 {{T_DIRECT, T_FIXED, 683 "SEAGATE ", "ST19171", ""}, PQUIRK_NOMODESENSE}, 684 {{T_DIRECT, T_FIXED, 685 "SEAGATE ", "ST32430N", ""}, PQUIRK_CAP_SYNC}, 686 {{T_DIRECT, T_FIXED, 687 "SEAGATE ", "ST34501FC ", ""}, PQUIRK_NOMODESENSE}, 688 {{T_DIRECT, T_FIXED, 689 "SEAGATE ", "SX910800N", ""}, PQUIRK_NOTAG}, 690 {{T_DIRECT, T_FIXED, 691 "TOSHIBA ", "MK538FB ", "6027"}, PQUIRK_NOLUNS}, 692 {{T_DIRECT, T_FIXED, 693 "MICROP ", "1924", ""}, PQUIRK_CAP_SYNC}, 694 {{T_DIRECT, T_FIXED, 695 "FUJITSU ", "M2266", ""}, PQUIRK_CAP_SYNC}, 696 {{T_DIRECT, T_FIXED, 697 "FUJITSU ", "M2624S-512 ", ""}, PQUIRK_CAP_SYNC}, 698 {{T_DIRECT, T_FIXED, 699 "SEAGATE ", "SX336704LC" , ""}, PQUIRK_CAP_SYNC | PQUIRK_CAP_WIDE16}, 700 {{T_DIRECT, T_FIXED, 701 "SEAGATE ", "SX173404LC", ""}, PQUIRK_CAP_SYNC | PQUIRK_CAP_WIDE16}, 702 703 {{T_DIRECT, T_REMOV, 704 "IOMEGA", "ZIP 100", "J.03"}, PQUIRK_NOLUNS|PQUIRK_NOSYNC}, 705 {{T_DIRECT, T_REMOV, 706 "INSITE", "I325VM", ""}, PQUIRK_NOLUNS}, 707 708 /* XXX: QIC-36 tape behind Emulex adapter. Very broken. */ 709 {{T_SEQUENTIAL, T_REMOV, 710 " ", " ", " "}, PQUIRK_NOLUNS}, 711 {{T_SEQUENTIAL, T_REMOV, 712 "EMULEX ", "MT-02 QIC ", ""}, PQUIRK_NOLUNS}, 713 {{T_SEQUENTIAL, T_REMOV, 714 "CALIPER ", "CP150 ", ""}, PQUIRK_NOLUNS}, 715 {{T_SEQUENTIAL, T_REMOV, 716 "EXABYTE ", "EXB-8200 ", ""}, PQUIRK_NOLUNS}, 717 {{T_SEQUENTIAL, T_REMOV, 718 "SONY ", "GY-10C ", ""}, PQUIRK_NOLUNS}, 719 {{T_SEQUENTIAL, T_REMOV, 720 "SONY ", "SDT-2000 ", "2.09"}, PQUIRK_NOLUNS}, 721 {{T_SEQUENTIAL, T_REMOV, 722 "SONY ", "SDT-5000 ", "3."}, PQUIRK_NOSYNC|PQUIRK_NOWIDE}, 723 {{T_SEQUENTIAL, T_REMOV, 724 "SONY ", "SDT-5200 ", "3."}, PQUIRK_NOLUNS}, 725 {{T_SEQUENTIAL, T_REMOV, 726 "TANDBERG", " TDC 3600 ", ""}, PQUIRK_NOLUNS}, 727 /* Following entry reported as a Tandberg 3600; ref. PR1933 */ 728 {{T_SEQUENTIAL, T_REMOV, 729 "ARCHIVE ", "VIPER 150 21247", ""}, PQUIRK_NOLUNS}, 730 /* Following entry for a Cipher ST150S; ref. PR4171 */ 731 {{T_SEQUENTIAL, T_REMOV, 732 "ARCHIVE ", "VIPER 1500 21247", "2.2G"}, PQUIRK_NOLUNS}, 733 {{T_SEQUENTIAL, T_REMOV, 734 "ARCHIVE ", "Python 28454-XXX", ""}, PQUIRK_NOLUNS}, 735 {{T_SEQUENTIAL, T_REMOV, 736 "WANGTEK ", "5099ES SCSI", ""}, PQUIRK_NOLUNS}, 737 {{T_SEQUENTIAL, T_REMOV, 738 "WANGTEK ", "5150ES SCSI", ""}, PQUIRK_NOLUNS}, 739 {{T_SEQUENTIAL, T_REMOV, 740 "WANGTEK ", "SCSI-36", ""}, PQUIRK_NOLUNS}, 741 {{T_SEQUENTIAL, T_REMOV, 742 "WangDAT ", "Model 1300 ", "02.4"}, PQUIRK_NOSYNC|PQUIRK_NOWIDE}, 743 {{T_SEQUENTIAL, T_REMOV, 744 "WangDAT ", "Model 2600 ", "01.7"}, PQUIRK_NOSYNC|PQUIRK_NOWIDE}, 745 {{T_SEQUENTIAL, T_REMOV, 746 "WangDAT ", "Model 3200 ", "02.2"}, PQUIRK_NOSYNC|PQUIRK_NOWIDE}, 747 {{T_SEQUENTIAL, T_REMOV, 748 "TEAC ", "MT-2ST/N50 ", ""}, PQUIRK_NOLUNS}, 749 750 {{T_SCANNER, T_FIXED, 751 "RICOH ", "IS60 ", "1R08"}, PQUIRK_NOLUNS}, 752 {{T_SCANNER, T_FIXED, 753 "UMAX ", "Astra 1200S ", "V2.9"}, PQUIRK_NOLUNS}, 754 {{T_SCANNER, T_FIXED, 755 "UMAX ", "Astra 1220S ", ""}, PQUIRK_NOLUNS}, 756 {{T_SCANNER, T_FIXED, 757 "UMAX ", "UMAX S-6E ", "V2.0"}, PQUIRK_NOLUNS}, 758 {{T_SCANNER, T_FIXED, 759 "UMAX ", "UMAX S-12 ", "V2.1"}, PQUIRK_NOLUNS}, 760 {{T_SCANNER, T_FIXED, 761 "ULTIMA ", "A6000C ", ""}, PQUIRK_NOLUNS}, 762 {{T_PROCESSOR, T_FIXED, 763 "ESG-SHV", "SCA HSBP M15", ""}, PQUIRK_NOLUNS}, 764 {{T_PROCESSOR, T_FIXED, 765 "SYMBIOS", "", ""}, PQUIRK_NOLUNS}, 766 {{T_PROCESSOR, T_FIXED, 767 "LITRONIC", "PCMCIA ", ""}, PQUIRK_NOLUNS}, 768 {{T_CHANGER, T_REMOV, 769 "SONY ", "CDL1100 ", ""}, PQUIRK_NOLUNS}, 770 {{T_ENCLOSURE, T_FIXED, 771 "SUN ", "SENA ", ""}, PQUIRK_NOLUNS}, 772 }; 773 774 /* 775 * given a target and lun, ask the device what 776 * it is, and find the correct driver table 777 * entry. 778 */ 779 static int 780 scsi_probe_device(struct scsibus_softc *sc, int target, int lun) 781 { 782 struct scsipi_channel *chan = sc->sc_channel; 783 struct scsipi_periph *periph; 784 struct scsipi_inquiry_data inqbuf; 785 const struct scsi_quirk_inquiry_pattern *finger; 786 int checkdtype, priority, docontinue, quirks; 787 struct scsipibus_attach_args sa; 788 cfdata_t cf; 789 int locs[SCSIBUSCF_NLOCS]; 790 791 /* 792 * Assume no more luns to search after this one. 793 * If we successfully get Inquiry data and after 794 * merging quirks we find we can probe for more 795 * luns, we will. 796 */ 797 docontinue = 0; 798 799 /* Skip this slot if it is already attached. */ 800 if (scsipi_lookup_periph(chan, target, lun) != NULL) 801 return (docontinue); 802 803 periph = scsipi_alloc_periph(M_NOWAIT); 804 if (periph == NULL) { 805 #ifdef DIAGNOSTIC 806 aprint_error_dev(sc->sc_dev, 807 "cannot allocate periph for target %d lun %d\n", 808 target, lun); 809 #endif 810 return (ENOMEM); 811 } 812 periph->periph_channel = chan; 813 periph->periph_switch = &scsi_probe_dev; 814 815 periph->periph_target = target; 816 periph->periph_lun = lun; 817 periph->periph_quirks = chan->chan_defquirks; 818 819 #ifdef SCSIPI_DEBUG 820 if (SCSIPI_DEBUG_TYPE == SCSIPI_BUSTYPE_SCSI && 821 SCSIPI_DEBUG_TARGET == target && 822 SCSIPI_DEBUG_LUN == lun) 823 periph->periph_dbflags |= SCSIPI_DEBUG_FLAGS; 824 #endif 825 826 /* 827 * Ask the device what it is 828 */ 829 830 #ifdef SCSI_2_DEF 831 /* some devices need to be told to go to SCSI2 */ 832 /* However some just explode if you tell them this.. leave it out */ 833 scsi_change_def(periph, XS_CTL_DISCOVERY | XS_CTL_SILENT); 834 #endif /* SCSI_2_DEF */ 835 836 /* Now go ask the device all about itself. */ 837 memset(&inqbuf, 0, sizeof(inqbuf)); 838 { 839 u_int8_t *extension = &inqbuf.flags1; 840 int len = 0; 841 while (len < 3) 842 extension[len++] = '\0'; 843 while (len < 3 + 28) 844 extension[len++] = ' '; 845 while (len < 3 + 28 + 20) 846 extension[len++] = '\0'; 847 while (len < 3 + 28 + 20 + 1) 848 extension[len++] = '\0'; 849 while (len < 3 + 28 + 20 + 1 + 1) 850 extension[len++] = '\0'; 851 while (len < 3 + 28 + 20 + 1 + 1 + (8*2)) 852 extension[len++] = ' '; 853 } 854 if (scsipi_inquire(periph, &inqbuf, XS_CTL_DISCOVERY | XS_CTL_SILENT)) 855 goto bad; 856 857 periph->periph_type = inqbuf.device & SID_TYPE; 858 if (inqbuf.dev_qual2 & SID_REMOVABLE) 859 periph->periph_flags |= PERIPH_REMOVABLE; 860 periph->periph_version = inqbuf.version & SID_ANSII; 861 862 /* 863 * Any device qualifier that has the top bit set (qualifier&4 != 0) 864 * is vendor specific and won't match in this switch. 865 * All we do here is throw out bad/negative responses. 866 */ 867 checkdtype = 0; 868 switch (inqbuf.device & SID_QUAL) { 869 case SID_QUAL_LU_PRESENT: 870 checkdtype = 1; 871 break; 872 873 case SID_QUAL_LU_NOTPRESENT: 874 case SID_QUAL_reserved: 875 case SID_QUAL_LU_NOT_SUPP: 876 goto bad; 877 878 default: 879 break; 880 } 881 882 /* Let the adapter driver handle the device separatley if it wants. */ 883 if (chan->chan_adapter->adapt_accesschk != NULL && 884 (*chan->chan_adapter->adapt_accesschk)(periph, &sa.sa_inqbuf)) 885 goto bad; 886 887 if (checkdtype) { 888 switch (periph->periph_type) { 889 case T_DIRECT: 890 case T_SEQUENTIAL: 891 case T_PRINTER: 892 case T_PROCESSOR: 893 case T_WORM: 894 case T_CDROM: 895 case T_SCANNER: 896 case T_OPTICAL: 897 case T_CHANGER: 898 case T_COMM: 899 case T_IT8_1: 900 case T_IT8_2: 901 case T_STORARRAY: 902 case T_ENCLOSURE: 903 case T_SIMPLE_DIRECT: 904 case T_OPTIC_CARD_RW: 905 case T_OBJECT_STORED: 906 default: 907 break; 908 case T_NODEVICE: 909 goto bad; 910 } 911 } 912 913 sa.sa_periph = periph; 914 sa.sa_inqbuf.type = inqbuf.device; 915 sa.sa_inqbuf.removable = inqbuf.dev_qual2 & SID_REMOVABLE ? 916 T_REMOV : T_FIXED; 917 sa.sa_inqbuf.vendor = inqbuf.vendor; 918 sa.sa_inqbuf.product = inqbuf.product; 919 sa.sa_inqbuf.revision = inqbuf.revision; 920 sa.scsipi_info.scsi_version = inqbuf.version; 921 sa.sa_inqptr = &inqbuf; 922 923 finger = scsipi_inqmatch( 924 &sa.sa_inqbuf, scsi_quirk_patterns, 925 sizeof(scsi_quirk_patterns)/sizeof(scsi_quirk_patterns[0]), 926 sizeof(scsi_quirk_patterns[0]), &priority); 927 928 if (finger != NULL) 929 quirks = finger->quirks; 930 else 931 quirks = 0; 932 933 /* 934 * Determine the operating mode capabilities of the device. 935 */ 936 if (periph->periph_version >= 2) { 937 if ((inqbuf.flags3 & SID_CmdQue) != 0 && 938 (quirks & PQUIRK_NOTAG) == 0) 939 periph->periph_cap |= PERIPH_CAP_TQING; 940 if ((inqbuf.flags3 & SID_Linked) != 0) 941 periph->periph_cap |= PERIPH_CAP_LINKCMDS; 942 if ((inqbuf.flags3 & SID_Sync) != 0 && 943 (quirks & PQUIRK_NOSYNC) == 0) 944 periph->periph_cap |= PERIPH_CAP_SYNC; 945 if ((inqbuf.flags3 & SID_WBus16) != 0 && 946 (quirks & PQUIRK_NOWIDE) == 0) 947 periph->periph_cap |= PERIPH_CAP_WIDE16; 948 if ((inqbuf.flags3 & SID_WBus32) != 0 && 949 (quirks & PQUIRK_NOWIDE) == 0) 950 periph->periph_cap |= PERIPH_CAP_WIDE32; 951 if ((inqbuf.flags3 & SID_SftRe) != 0) 952 periph->periph_cap |= PERIPH_CAP_SFTRESET; 953 if ((inqbuf.flags3 & SID_RelAdr) != 0) 954 periph->periph_cap |= PERIPH_CAP_RELADR; 955 /* SPC-2 */ 956 if (periph->periph_version >= 3 && 957 !(quirks & PQUIRK_CAP_NODT)){ 958 /* 959 * Report ST clocking though CAP_WIDExx/CAP_SYNC. 960 * If the device only supports DT, clear these 961 * flags (DT implies SYNC and WIDE) 962 */ 963 switch (inqbuf.flags4 & SID_Clocking) { 964 case SID_CLOCKING_DT_ONLY: 965 periph->periph_cap &= 966 ~(PERIPH_CAP_SYNC | 967 PERIPH_CAP_WIDE16 | 968 PERIPH_CAP_WIDE32); 969 /* FALLTHROUGH */ 970 case SID_CLOCKING_SD_DT: 971 periph->periph_cap |= PERIPH_CAP_DT; 972 break; 973 default: /* ST only or invalid */ 974 /* nothing to do */ 975 break; 976 } 977 } 978 if (periph->periph_version >= 3) { 979 if (inqbuf.flags4 & SID_IUS) 980 periph->periph_cap |= PERIPH_CAP_IUS; 981 if (inqbuf.flags4 & SID_QAS) 982 periph->periph_cap |= PERIPH_CAP_QAS; 983 } 984 } 985 if (quirks & PQUIRK_CAP_SYNC) 986 periph->periph_cap |= PERIPH_CAP_SYNC; 987 if (quirks & PQUIRK_CAP_WIDE16) 988 periph->periph_cap |= PERIPH_CAP_WIDE16; 989 990 /* 991 * Now apply any quirks from the table. 992 */ 993 periph->periph_quirks |= quirks; 994 if (periph->periph_version == 0 && 995 (periph->periph_quirks & PQUIRK_FORCELUNS) == 0) 996 periph->periph_quirks |= PQUIRK_NOLUNS; 997 998 if ((periph->periph_quirks & PQUIRK_NOLUNS) == 0) 999 docontinue = 1; 1000 1001 locs[SCSIBUSCF_TARGET] = target; 1002 locs[SCSIBUSCF_LUN] = lun; 1003 1004 if ((cf = config_search_loc(config_stdsubmatch, sc->sc_dev, 1005 "scsibus", locs, &sa)) != NULL) { 1006 scsipi_insert_periph(chan, periph); 1007 /* 1008 * XXX Can't assign periph_dev here, because we'll 1009 * XXX need it before config_attach() returns. Must 1010 * XXX assign it in periph driver. 1011 */ 1012 config_attach_loc(sc->sc_dev, cf, locs, &sa, 1013 scsibusprint); 1014 } else { 1015 scsibusprint(&sa, device_xname(sc->sc_dev)); 1016 aprint_normal(" not configured\n"); 1017 goto bad; 1018 } 1019 1020 return (docontinue); 1021 1022 bad: 1023 free(periph, M_DEVBUF); 1024 return (docontinue); 1025 } 1026 1027 /****** Entry points for user control of the SCSI bus. ******/ 1028 1029 static int 1030 scsibusopen(dev_t dev, int flag, int fmt, 1031 struct lwp *l) 1032 { 1033 struct scsibus_softc *sc; 1034 int error, unit = minor(dev); 1035 1036 sc = device_lookup_private(&scsibus_cd, unit); 1037 if (sc == NULL) 1038 return (ENXIO); 1039 1040 if (sc->sc_flags & SCSIBUSF_OPEN) 1041 return (EBUSY); 1042 1043 if ((error = scsipi_adapter_addref(sc->sc_channel->chan_adapter)) != 0) 1044 return (error); 1045 1046 sc->sc_flags |= SCSIBUSF_OPEN; 1047 1048 return (0); 1049 } 1050 1051 static int 1052 scsibusclose(dev_t dev, int flag, int fmt, 1053 struct lwp *l) 1054 { 1055 struct scsibus_softc *sc; 1056 1057 sc = device_lookup_private(&scsibus_cd, minor(dev)); 1058 scsipi_adapter_delref(sc->sc_channel->chan_adapter); 1059 1060 sc->sc_flags &= ~SCSIBUSF_OPEN; 1061 1062 return (0); 1063 } 1064 1065 static int 1066 scsibusioctl(dev_t dev, u_long cmd, void *addr, int flag, struct lwp *l) 1067 { 1068 struct scsibus_softc *sc; 1069 struct scsipi_channel *chan; 1070 int error; 1071 1072 sc = device_lookup_private(&scsibus_cd, minor(dev)); 1073 chan = sc->sc_channel; 1074 1075 /* 1076 * Enforce write permission for ioctls that change the 1077 * state of the bus. Host adapter specific ioctls must 1078 * be checked by the adapter driver. 1079 */ 1080 switch (cmd) { 1081 case SCBUSIOSCAN: 1082 case SCBUSIODETACH: 1083 case SCBUSIORESET: 1084 if ((flag & FWRITE) == 0) 1085 return (EBADF); 1086 } 1087 1088 switch (cmd) { 1089 case SCBUSIOSCAN: 1090 { 1091 struct scbusioscan_args *a = 1092 (struct scbusioscan_args *)addr; 1093 1094 error = scsi_probe_bus(sc, a->sa_target, a->sa_lun); 1095 break; 1096 } 1097 1098 case SCBUSIODETACH: 1099 { 1100 struct scbusiodetach_args *a = 1101 (struct scbusiodetach_args *)addr; 1102 1103 error = scsipi_target_detach(chan, a->sa_target, a->sa_lun, 0); 1104 break; 1105 } 1106 1107 1108 case SCBUSIORESET: 1109 /* FALLTHROUGH */ 1110 default: 1111 if (chan->chan_adapter->adapt_ioctl == NULL) 1112 error = ENOTTY; 1113 else 1114 error = (*chan->chan_adapter->adapt_ioctl)(chan, 1115 cmd, addr, flag, l->l_proc); 1116 break; 1117 } 1118 1119 return (error); 1120 } 1121
Indexes created Mon Sep 29 21:09:56 GMT 2025