scsiconf.c revision 1.273.4.1
1 /* $NetBSD: scsiconf.c,v 1.273.4.1 2016/05/29 08:44:31 skrll 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 1.273.4.1 2016/05/29 08:44:31 skrll 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_discard = nodiscard, 120 .d_flag = D_OTHER 121 }; 122 123 static int scsibusprint(void *, const char *); 124 static void scsibus_config(struct scsipi_channel *, void *); 125 126 const struct scsipi_bustype scsi_bustype = { 127 SCSIPI_BUSTYPE_BUSTYPE(SCSIPI_BUSTYPE_SCSI, SCSIPI_BUSTYPE_SCSI_PSCSI), 128 scsi_scsipi_cmd, 129 scsipi_interpret_sense, 130 scsi_print_addr, 131 scsi_kill_pending, 132 scsi_async_event_xfer_mode, 133 }; 134 135 const struct scsipi_bustype scsi_fc_bustype = { 136 SCSIPI_BUSTYPE_BUSTYPE(SCSIPI_BUSTYPE_SCSI, SCSIPI_BUSTYPE_SCSI_FC), 137 scsi_scsipi_cmd, 138 scsipi_interpret_sense, 139 scsi_print_addr, 140 scsi_kill_pending, 141 scsi_fc_sas_async_event_xfer_mode, 142 }; 143 144 const struct scsipi_bustype scsi_sas_bustype = { 145 SCSIPI_BUSTYPE_BUSTYPE(SCSIPI_BUSTYPE_SCSI, SCSIPI_BUSTYPE_SCSI_SAS), 146 scsi_scsipi_cmd, 147 scsipi_interpret_sense, 148 scsi_print_addr, 149 scsi_kill_pending, 150 scsi_fc_sas_async_event_xfer_mode, 151 }; 152 153 const struct scsipi_bustype scsi_usb_bustype = { 154 SCSIPI_BUSTYPE_BUSTYPE(SCSIPI_BUSTYPE_SCSI, SCSIPI_BUSTYPE_SCSI_USB), 155 scsi_scsipi_cmd, 156 scsipi_interpret_sense, 157 scsi_print_addr, 158 scsi_kill_pending, 159 NULL, 160 }; 161 162 static int 163 scsibus_init(void) 164 { 165 166 TAILQ_INIT(&scsi_initq_head); 167 mutex_init(&scsibus_qlock, MUTEX_DEFAULT, IPL_NONE); 168 cv_init(&scsibus_qcv, "scsinitq"); 169 return 0; 170 } 171 172 int 173 scsiprint(void *aux, const char *pnp) 174 { 175 struct scsipi_channel *chan = aux; 176 struct scsipi_adapter *adapt = chan->chan_adapter; 177 178 /* only "scsibus"es can attach to "scsi"s; easy. */ 179 if (pnp) 180 aprint_normal("scsibus at %s", pnp); 181 182 /* don't print channel if the controller says there can be only one. */ 183 if (adapt->adapt_nchannels != 1) 184 aprint_normal(" channel %d", chan->chan_channel); 185 186 return (UNCONF); 187 } 188 189 static int 190 scsibusmatch(device_t parent, cfdata_t cf, void *aux) 191 { 192 struct scsipi_channel *chan = aux; 193 194 if (SCSIPI_BUSTYPE_TYPE(chan->chan_bustype->bustype_type) != 195 SCSIPI_BUSTYPE_SCSI) 196 return 0; 197 198 if (cf->cf_loc[SCSICF_CHANNEL] != chan->chan_channel && 199 cf->cf_loc[SCSICF_CHANNEL] != SCSICF_CHANNEL_DEFAULT) 200 return (0); 201 202 return (1); 203 } 204 205 static void 206 scsibusattach(device_t parent, device_t self, void *aux) 207 { 208 struct scsibus_softc *sc = device_private(self); 209 struct scsipi_channel *chan = aux; 210 struct scsi_initq *scsi_initq; 211 212 if (!pmf_device_register(self, NULL, NULL)) 213 aprint_error_dev(self, "couldn't establish power handler\n"); 214 215 sc->sc_dev = self; 216 sc->sc_channel = chan; 217 chan->chan_name = device_xname(sc->sc_dev); 218 219 aprint_naive(": SCSI bus\n"); 220 aprint_normal(": %d target%s, %d lun%s per target\n", 221 chan->chan_ntargets, 222 chan->chan_ntargets == 1 ? "" : "s", 223 chan->chan_nluns, 224 chan->chan_nluns == 1 ? "" : "s"); 225 226 /* 227 * XXX 228 * newer adapters support more than 256 outstanding commands 229 * per periph and don't use the tag (they eventually allocate one 230 * internally). Right now scsipi always allocate a tag and 231 * is limited to 256 tags, per scsi specs. 232 * this should be revisited 233 */ 234 if (chan->chan_flags & SCSIPI_CHAN_OPENINGS) { 235 if (chan->chan_max_periph > 256) 236 chan->chan_max_periph = 256; 237 } else { 238 if (chan->chan_adapter->adapt_max_periph > 256) 239 chan->chan_adapter->adapt_max_periph = 256; 240 } 241 242 if (scsipi_adapter_addref(chan->chan_adapter)) 243 return; 244 245 RUN_ONCE(&scsi_conf_ctrl, scsibus_init); 246 247 /* Initialize the channel structure first */ 248 chan->chan_init_cb = scsibus_config; 249 chan->chan_init_cb_arg = sc; 250 251 scsi_initq = malloc(sizeof(struct scsi_initq), M_DEVBUF, M_WAITOK); 252 scsi_initq->sc_channel = chan; 253 TAILQ_INSERT_TAIL(&scsi_initq_head, scsi_initq, scsi_initq); 254 config_pending_incr(sc->sc_dev); 255 if (scsipi_channel_init(chan)) { 256 aprint_error_dev(sc->sc_dev, "failed to init channel\n"); 257 return; 258 } 259 } 260 261 static void 262 scsibus_config(struct scsipi_channel *chan, void *arg) 263 { 264 struct scsibus_softc *sc = arg; 265 struct scsi_initq *scsi_initq; 266 267 #ifndef SCSI_DELAY 268 #define SCSI_DELAY 2 269 #endif 270 if ((chan->chan_flags & SCSIPI_CHAN_NOSETTLE) == 0 && 271 SCSI_DELAY > 0) { 272 aprint_normal_dev(sc->sc_dev, 273 "waiting %d seconds for devices to settle...\n", 274 SCSI_DELAY); 275 /* ...an identifier we know no one will use... */ 276 (void) tsleep(scsibus_config, PRIBIO, 277 "scsidly", SCSI_DELAY * hz); 278 } 279 280 /* Make sure the devices probe in scsibus order to avoid jitter. */ 281 mutex_enter(&scsibus_qlock); 282 for (;;) { 283 scsi_initq = TAILQ_FIRST(&scsi_initq_head); 284 if (scsi_initq->sc_channel == chan) 285 break; 286 cv_wait(&scsibus_qcv, &scsibus_qlock); 287 } 288 mutex_exit(&scsibus_qlock); 289 290 scsi_probe_bus(sc, -1, -1); 291 292 mutex_enter(&scsibus_qlock); 293 TAILQ_REMOVE(&scsi_initq_head, scsi_initq, scsi_initq); 294 cv_broadcast(&scsibus_qcv); 295 mutex_exit(&scsibus_qlock); 296 297 free(scsi_initq, M_DEVBUF); 298 299 scsipi_adapter_delref(chan->chan_adapter); 300 301 config_pending_decr(sc->sc_dev); 302 } 303 304 static int 305 scsibusdetach(device_t self, int flags) 306 { 307 struct scsibus_softc *sc = device_private(self); 308 struct scsipi_channel *chan = sc->sc_channel; 309 struct scsipi_periph *periph; 310 int ctarget, clun; 311 struct scsipi_xfer *xs; 312 int error; 313 314 /* XXXSMP scsipi */ 315 KERNEL_LOCK(1, curlwp); 316 317 /* 318 * Detach all of the periphs. 319 */ 320 if ((error = scsipi_target_detach(chan, -1, -1, flags)) != 0) { 321 /* XXXSMP scsipi */ 322 KERNEL_UNLOCK_ONE(curlwp); 323 324 return error; 325 } 326 327 pmf_device_deregister(self); 328 329 /* 330 * Process outstanding commands (which will never complete as the 331 * controller is gone). 332 * 333 * XXX Surely this is redundant? If we get this far, the 334 * XXX peripherals have all been detached. 335 */ 336 for (ctarget = 0; ctarget < chan->chan_ntargets; ctarget++) { 337 if (ctarget == chan->chan_id) 338 continue; 339 for (clun = 0; clun < chan->chan_nluns; clun++) { 340 periph = scsipi_lookup_periph(chan, ctarget, clun); 341 if (periph == NULL) 342 continue; 343 TAILQ_FOREACH(xs, &periph->periph_xferq, device_q) { 344 callout_stop(&xs->xs_callout); 345 xs->error = XS_DRIVER_STUFFUP; 346 scsipi_done(xs); 347 } 348 } 349 } 350 351 /* 352 * Now shut down the channel. 353 */ 354 scsipi_channel_shutdown(chan); 355 356 /* XXXSMP scsipi */ 357 KERNEL_UNLOCK_ONE(curlwp); 358 359 return 0; 360 } 361 362 /* 363 * Probe the requested scsi bus. It must be already set up. 364 * target and lun optionally narrow the search if not -1 365 */ 366 int 367 scsi_probe_bus(struct scsibus_softc *sc, int target, int lun) 368 { 369 struct scsipi_channel *chan = sc->sc_channel; 370 int maxtarget, mintarget, maxlun, minlun; 371 int error; 372 373 /* XXXSMP scsipi */ 374 KERNEL_LOCK(1, curlwp); 375 376 if (target == -1) { 377 maxtarget = chan->chan_ntargets - 1; 378 mintarget = 0; 379 } else { 380 if (target < 0 || target >= chan->chan_ntargets) 381 return (EINVAL); 382 maxtarget = mintarget = target; 383 } 384 385 if (lun == -1) { 386 maxlun = chan->chan_nluns - 1; 387 minlun = 0; 388 } else { 389 if (lun < 0 || lun >= chan->chan_nluns) 390 return (EINVAL); 391 maxlun = minlun = lun; 392 } 393 394 /* 395 * Some HBAs provide an abstracted view of the bus; give them an 396 * oppertunity to re-scan it before we do. 397 */ 398 if (chan->chan_adapter->adapt_ioctl != NULL) 399 (*chan->chan_adapter->adapt_ioctl)(chan, SCBUSIOLLSCAN, NULL, 400 0, curproc); 401 402 if ((error = scsipi_adapter_addref(chan->chan_adapter)) != 0) 403 goto ret; 404 for (target = mintarget; target <= maxtarget; target++) { 405 if (target == chan->chan_id) 406 continue; 407 for (lun = minlun; lun <= maxlun; lun++) { 408 /* 409 * See if there's a device present, and configure it. 410 */ 411 if (scsi_probe_device(sc, target, lun) == 0) 412 break; 413 /* otherwise something says we should look further */ 414 } 415 416 /* 417 * Now that we've discovered all of the LUNs on this 418 * I_T Nexus, update the xfer mode for all of them 419 * that we know about. 420 */ 421 scsipi_set_xfer_mode(chan, target, 1); 422 } 423 scsipi_adapter_delref(chan->chan_adapter); 424 ret: 425 KERNEL_UNLOCK_ONE(curlwp); 426 return (error); 427 } 428 429 static int 430 scsibusrescan(device_t sc, const char *ifattr, 431 const int *locators) 432 { 433 434 KASSERT(ifattr && !strcmp(ifattr, "scsibus")); 435 KASSERT(locators); 436 437 return (scsi_probe_bus(device_private(sc), 438 locators[SCSIBUSCF_TARGET], locators[SCSIBUSCF_LUN])); 439 } 440 441 static void 442 scsidevdetached(device_t self, device_t child) 443 { 444 struct scsibus_softc *sc = device_private(self); 445 struct scsipi_channel *chan = sc->sc_channel; 446 struct scsipi_periph *periph; 447 int target, lun; 448 449 target = device_locator(child, SCSIBUSCF_TARGET); 450 lun = device_locator(child, SCSIBUSCF_LUN); 451 452 /* XXXSMP scsipi */ 453 KERNEL_LOCK(1, curlwp); 454 455 periph = scsipi_lookup_periph(chan, target, lun); 456 KASSERT(periph->periph_dev == child); 457 458 scsipi_remove_periph(chan, periph); 459 free(periph, M_DEVBUF); 460 461 /* XXXSMP scsipi */ 462 KERNEL_UNLOCK_ONE(curlwp); 463 } 464 465 /* 466 * Print out autoconfiguration information for a subdevice. 467 * 468 * This is a slight abuse of 'standard' autoconfiguration semantics, 469 * because 'print' functions don't normally print the colon and 470 * device information. However, in this case that's better than 471 * either printing redundant information before the attach message, 472 * or having the device driver call a special function to print out 473 * the standard device information. 474 */ 475 static int 476 scsibusprint(void *aux, const char *pnp) 477 { 478 struct scsipibus_attach_args *sa = aux; 479 struct scsipi_inquiry_pattern *inqbuf; 480 u_int8_t type; 481 const char *dtype; 482 char vendor[33], product[65], revision[17]; 483 int target, lun; 484 485 if (pnp != NULL) 486 aprint_normal("%s", pnp); 487 488 inqbuf = &sa->sa_inqbuf; 489 490 target = sa->sa_periph->periph_target; 491 lun = sa->sa_periph->periph_lun; 492 type = inqbuf->type & SID_TYPE; 493 494 dtype = scsipi_dtype(type); 495 496 strnvisx(vendor, sizeof(vendor), inqbuf->vendor, 8, 497 VIS_TRIM|VIS_SAFE|VIS_OCTAL); 498 strnvisx(product, sizeof(product), inqbuf->product, 16, 499 VIS_TRIM|VIS_SAFE|VIS_OCTAL); 500 strnvisx(revision, sizeof(revision), inqbuf->revision, 4, 501 VIS_TRIM|VIS_SAFE|VIS_OCTAL); 502 503 aprint_normal(" target %d lun %d: <%s, %s, %s> %s %s", 504 target, lun, vendor, product, revision, dtype, 505 inqbuf->removable ? "removable" : "fixed"); 506 507 return (UNCONF); 508 } 509 510 static const struct scsi_quirk_inquiry_pattern scsi_quirk_patterns[] = { 511 {{T_DIRECT, T_REMOV, 512 "Apple ", "iPod ", ""}, PQUIRK_START}, 513 {{T_CDROM, T_REMOV, 514 "CHINON ", "CD-ROM CDS-431 ", ""}, PQUIRK_NOLUNS}, 515 {{T_CDROM, T_REMOV, 516 "CHINON ", "CD-ROM CDS-435 ", ""}, PQUIRK_NOLUNS}, 517 {{T_CDROM, T_REMOV, 518 "Chinon ", "CD-ROM CDS-525 ", ""}, PQUIRK_NOLUNS}, 519 {{T_CDROM, T_REMOV, 520 "CHINON ", "CD-ROM CDS-535 ", ""}, PQUIRK_NOLUNS}, 521 {{T_CDROM, T_REMOV, 522 "DEC ", "RRD42 (C) DEC ", ""}, PQUIRK_NOLUNS}, 523 {{T_CDROM, T_REMOV, 524 "DENON ", "DRD-25X ", "V"}, PQUIRK_NOLUNS}, 525 {{T_CDROM, T_REMOV, 526 "GENERIC ", "CRD-BP2 ", ""}, PQUIRK_NOLUNS}, 527 {{T_CDROM, T_REMOV, 528 "HP ", "C4324/C4325 ", ""}, PQUIRK_NOLUNS}, 529 {{T_CDROM, T_REMOV, 530 "IMS ", "CDD521/10 ", "2.06"}, PQUIRK_NOLUNS}, 531 {{T_CDROM, T_REMOV, 532 "MATSHITA", "CD-ROM CR-5XX ", "1.0b"}, PQUIRK_NOLUNS}, 533 {{T_CDROM, T_REMOV, 534 "MEDAVIS ", "RENO CD-ROMX2A ", ""}, PQUIRK_NOLUNS}, 535 {{T_CDROM, T_REMOV, 536 "MEDIAVIS", "CDR-H93MV ", "1.3"}, PQUIRK_NOLUNS}, 537 {{T_CDROM, T_REMOV, 538 "NEC ", "CD-ROM DRIVE:502", ""}, PQUIRK_NOLUNS}, 539 {{T_CDROM, T_REMOV, 540 "NEC ", "CD-ROM DRIVE:55 ", ""}, PQUIRK_NOLUNS}, 541 {{T_CDROM, T_REMOV, 542 "NEC ", "CD-ROM DRIVE:83 ", ""}, PQUIRK_NOLUNS}, 543 {{T_CDROM, T_REMOV, 544 "NEC ", "CD-ROM DRIVE:84 ", ""}, PQUIRK_NOLUNS}, 545 {{T_CDROM, T_REMOV, 546 "NEC ", "CD-ROM DRIVE:841", ""}, PQUIRK_NOLUNS}, 547 {{T_CDROM, T_REMOV, 548 "OLYMPUS ", "CDS620E ", "1.1d"}, 549 PQUIRK_NOLUNS|PQUIRK_NOSYNC|PQUIRK_NOCAPACITY}, 550 {{T_CDROM, T_REMOV, 551 "PIONEER ", "CD-ROM DR-124X ", "1.01"}, PQUIRK_NOLUNS}, 552 {{T_CDROM, T_REMOV, 553 "PLEXTOR ", "CD-ROM PX-4XCS ", "1.01"}, 554 PQUIRK_NOLUNS|PQUIRK_NOSYNC}, 555 {{T_CDROM, T_REMOV, 556 "SONY ", "CD-ROM CDU-541 ", ""}, PQUIRK_NOLUNS}, 557 {{T_CDROM, T_REMOV, 558 "SONY ", "CD-ROM CDU-55S ", ""}, PQUIRK_NOLUNS}, 559 {{T_CDROM, T_REMOV, 560 "SONY ", "CD-ROM CDU-561 ", ""}, PQUIRK_NOLUNS}, 561 {{T_CDROM, T_REMOV, 562 "SONY ", "CD-ROM CDU-76S", ""}, 563 PQUIRK_NOLUNS|PQUIRK_NOSYNC|PQUIRK_NOWIDE}, 564 {{T_CDROM, T_REMOV, 565 "SONY ", "CD-ROM CDU-8003A", ""}, PQUIRK_NOLUNS}, 566 {{T_CDROM, T_REMOV, 567 "SONY ", "CD-ROM CDU-8012 ", ""}, PQUIRK_NOLUNS}, 568 {{T_CDROM, T_REMOV, 569 "TEAC ", "CD-ROM ", "1.06"}, PQUIRK_NOLUNS}, 570 {{T_CDROM, T_REMOV, 571 "TEAC ", "CD-ROM CD-56S ", "1.0B"}, PQUIRK_NOLUNS}, 572 {{T_CDROM, T_REMOV, 573 "TEXEL ", "CD-ROM ", "1.06"}, PQUIRK_NOLUNS}, 574 {{T_CDROM, T_REMOV, 575 "TEXEL ", "CD-ROM DM-XX24 K", "1.09"}, PQUIRK_NOLUNS}, 576 {{T_CDROM, T_REMOV, 577 "TEXEL ", "CD-ROM DM-XX24 K", "1.10"}, PQUIRK_NOLUNS}, 578 {{T_CDROM, T_REMOV, 579 "TOSHIBA ", "XM-4101TASUNSLCD", ""}, PQUIRK_NOLUNS|PQUIRK_NOSYNC}, 580 /* "IBM CDRM00201 !F" 0724 is an IBM OEM Toshiba XM-4101BME */ 581 {{T_CDROM, T_REMOV, 582 "IBM ", "CDRM00201 !F", "0724"}, PQUIRK_NOLUNS|PQUIRK_NOSYNC}, 583 {{T_CDROM, T_REMOV, 584 "ShinaKen", "CD-ROM DM-3x1S", "1.04"}, PQUIRK_NOLUNS}, 585 {{T_CDROM, T_REMOV, 586 "JVC ", "R2626", ""}, PQUIRK_NOLUNS}, 587 {{T_CDROM, T_REMOV, 588 "YAMAHA", "CRW8424S", ""}, PQUIRK_NOLUNS}, 589 {{T_CDROM, T_REMOV, 590 "NEC ", "CD-ROM DRIVE:222", ""}, PQUIRK_NOLUNS|PQUIRK_NOSYNC}, 591 592 {{T_DIRECT, T_FIXED, 593 "MICROP ", "1588-15MBSUN0669", ""}, PQUIRK_AUTOSAVE}, 594 {{T_DIRECT, T_FIXED, 595 "MICROP ", "2217-15MQ1091501", ""}, PQUIRK_NOSYNCCACHE}, 596 {{T_OPTICAL, T_REMOV, 597 "EPSON ", "OMD-5010 ", "3.08"}, PQUIRK_NOLUNS}, 598 {{T_DIRECT, T_FIXED, 599 "ADAPTEC ", "AEC-4412BD", "1.2A"}, PQUIRK_NOMODESENSE}, 600 {{T_DIRECT, T_FIXED, 601 "ADAPTEC ", "ACB-4000", ""}, PQUIRK_FORCELUNS|PQUIRK_AUTOSAVE|PQUIRK_NOMODESENSE}, 602 {{T_DIRECT, T_FIXED, 603 "DEC ", "RZ55 (C) DEC", ""}, PQUIRK_AUTOSAVE}, 604 {{T_DIRECT, T_FIXED, 605 "EMULEX ", "MD21/S2 ESDI", "A00"}, 606 PQUIRK_FORCELUNS|PQUIRK_AUTOSAVE}, 607 {{T_DIRECT, T_FIXED, 608 "MICROP", "1548-15MZ1077801", "HZ2P"}, PQUIRK_NOTAG}, 609 {{T_DIRECT, T_FIXED, 610 "HP ", "C372", ""}, PQUIRK_NOTAG}, 611 {{T_DIRECT, T_FIXED, 612 "IBMRAID ", "0662S", ""}, PQUIRK_AUTOSAVE}, 613 {{T_DIRECT, T_FIXED, 614 "IBM ", "0663H", ""}, PQUIRK_AUTOSAVE}, 615 {{T_DIRECT, T_FIXED, 616 "IBM", "0664", ""}, PQUIRK_AUTOSAVE}, 617 {{T_DIRECT, T_FIXED, 618 /* improperly report DT-only sync mode */ 619 "IBM ", "DXHS36D", ""}, 620 PQUIRK_CAP_SYNC|PQUIRK_CAP_WIDE16}, 621 {{T_DIRECT, T_FIXED, 622 "IBM ", "DXHS18Y", ""}, 623 PQUIRK_CAP_SYNC|PQUIRK_CAP_WIDE16}, 624 {{T_DIRECT, T_FIXED, 625 "IBM ", "H3171-S2", ""}, 626 PQUIRK_NOLUNS|PQUIRK_AUTOSAVE}, 627 {{T_DIRECT, T_FIXED, 628 "IBM ", "KZ-C", ""}, PQUIRK_AUTOSAVE}, 629 /* Broken IBM disk */ 630 {{T_DIRECT, T_FIXED, 631 "" , "DFRSS2F", ""}, PQUIRK_AUTOSAVE}, 632 {{T_DIRECT, T_FIXED, 633 "Initio ", "", ""}, PQUIRK_NOBIGMODESENSE}, 634 {{T_DIRECT, T_REMOV, 635 "MPL ", "MC-DISK- ", ""}, PQUIRK_NOLUNS}, 636 {{T_DIRECT, T_FIXED, 637 "MAXTOR ", "XT-3280 ", ""}, PQUIRK_NOLUNS}, 638 {{T_DIRECT, T_FIXED, 639 "MAXTOR ", "XT-4380S ", ""}, PQUIRK_NOLUNS}, 640 {{T_DIRECT, T_FIXED, 641 "MAXTOR ", "MXT-1240S ", ""}, PQUIRK_NOLUNS}, 642 {{T_DIRECT, T_FIXED, 643 "MAXTOR ", "XT-4170S ", ""}, PQUIRK_NOLUNS}, 644 {{T_DIRECT, T_FIXED, 645 "MAXTOR ", "XT-8760S", ""}, PQUIRK_NOLUNS}, 646 {{T_DIRECT, T_FIXED, 647 "MAXTOR ", "LXT-213S ", ""}, PQUIRK_NOLUNS}, 648 {{T_DIRECT, T_FIXED, 649 "MAXTOR ", "LXT-213S SUN0207", ""}, PQUIRK_NOLUNS}, 650 {{T_DIRECT, T_FIXED, 651 "MAXTOR ", "LXT-200S ", ""}, PQUIRK_NOLUNS}, 652 {{T_DIRECT, T_FIXED, 653 "MEGADRV ", "EV1000", ""}, PQUIRK_NOMODESENSE}, 654 {{T_DIRECT, T_FIXED, 655 "MICROP", "1991-27MZ", ""}, PQUIRK_NOTAG}, 656 {{T_DIRECT, T_FIXED, 657 "MST ", "SnapLink ", ""}, PQUIRK_NOLUNS}, 658 {{T_DIRECT, T_FIXED, 659 "NEC ", "D3847 ", "0307"}, PQUIRK_NOLUNS}, 660 {{T_DIRECT, T_FIXED, 661 "QUANTUM ", "ELS85S ", ""}, PQUIRK_AUTOSAVE}, 662 {{T_DIRECT, T_FIXED, 663 "QUANTUM ", "LPS525S ", ""}, PQUIRK_NOLUNS}, 664 {{T_DIRECT, T_FIXED, 665 "QUANTUM ", "P105S 910-10-94x", ""}, PQUIRK_NOLUNS}, 666 {{T_DIRECT, T_FIXED, 667 "QUANTUM ", "PD1225S ", ""}, PQUIRK_NOLUNS}, 668 {{T_DIRECT, T_FIXED, 669 "QUANTUM ", "PD210S SUN0207", ""}, PQUIRK_NOLUNS}, 670 {{T_DIRECT, T_FIXED, 671 "QUANTUM ", "ATLAS IV 9 WLS", "0A0A"}, PQUIRK_CAP_NODT}, 672 {{T_DIRECT, T_FIXED, 673 "RODIME ", "RO3000S ", ""}, PQUIRK_NOLUNS}, 674 {{T_DIRECT, T_FIXED, 675 "SEAGATE ", "ST125N ", ""}, PQUIRK_NOLUNS}, 676 {{T_DIRECT, T_FIXED, 677 "SEAGATE ", "ST157N ", ""}, PQUIRK_NOLUNS}, 678 {{T_DIRECT, T_FIXED, 679 "SEAGATE ", "ST296 ", ""}, PQUIRK_NOLUNS}, 680 {{T_DIRECT, T_FIXED, 681 "SEAGATE ", "ST296N ", ""}, PQUIRK_NOLUNS}, 682 {{T_DIRECT, T_FIXED, 683 "SEAGATE ", "ST318404LC ", ""}, PQUIRK_NOLUNS}, 684 {{T_DIRECT, T_FIXED, 685 "SEAGATE ", "ST15150N ", ""}, PQUIRK_NOTAG}, 686 {{T_DIRECT, T_FIXED, 687 "SEAGATE ", "ST19171", ""}, PQUIRK_NOMODESENSE}, 688 {{T_DIRECT, T_FIXED, 689 "SEAGATE ", "ST32430N", ""}, PQUIRK_CAP_SYNC}, 690 {{T_DIRECT, T_FIXED, 691 "SEAGATE ", "ST34501FC ", ""}, PQUIRK_NOMODESENSE}, 692 {{T_DIRECT, T_FIXED, 693 "SEAGATE ", "SX910800N", ""}, PQUIRK_NOTAG}, 694 {{T_DIRECT, T_FIXED, 695 "TOSHIBA ", "MK538FB ", "6027"}, PQUIRK_NOLUNS}, 696 {{T_DIRECT, T_FIXED, 697 "MICROP ", "1924", ""}, PQUIRK_CAP_SYNC}, 698 {{T_DIRECT, T_FIXED, 699 "FUJITSU ", "M2266", ""}, PQUIRK_CAP_SYNC}, 700 {{T_DIRECT, T_FIXED, 701 "FUJITSU ", "M2624S-512 ", ""}, PQUIRK_CAP_SYNC}, 702 {{T_DIRECT, T_FIXED, 703 "SEAGATE ", "SX336704LC" , ""}, PQUIRK_CAP_SYNC | PQUIRK_CAP_WIDE16}, 704 {{T_DIRECT, T_FIXED, 705 "SEAGATE ", "SX173404LC", ""}, PQUIRK_CAP_SYNC | PQUIRK_CAP_WIDE16}, 706 707 {{T_DIRECT, T_REMOV, 708 "IOMEGA", "ZIP 100", "J.03"}, PQUIRK_NOLUNS|PQUIRK_NOSYNC}, 709 {{T_DIRECT, T_REMOV, 710 "INSITE", "I325VM", ""}, PQUIRK_NOLUNS}, 711 712 /* XXX: QIC-36 tape behind Emulex adapter. Very broken. */ 713 {{T_SEQUENTIAL, T_REMOV, 714 " ", " ", " "}, PQUIRK_NOLUNS}, 715 {{T_SEQUENTIAL, T_REMOV, 716 "EMULEX ", "MT-02 QIC ", ""}, PQUIRK_NOLUNS}, 717 {{T_SEQUENTIAL, T_REMOV, 718 "CALIPER ", "CP150 ", ""}, PQUIRK_NOLUNS}, 719 {{T_SEQUENTIAL, T_REMOV, 720 "EXABYTE ", "EXB-8200 ", ""}, PQUIRK_NOLUNS}, 721 {{T_SEQUENTIAL, T_REMOV, 722 "SONY ", "GY-10C ", ""}, PQUIRK_NOLUNS}, 723 {{T_SEQUENTIAL, T_REMOV, 724 "SONY ", "SDT-2000 ", "2.09"}, PQUIRK_NOLUNS}, 725 {{T_SEQUENTIAL, T_REMOV, 726 "SONY ", "SDT-5000 ", "3."}, PQUIRK_NOSYNC|PQUIRK_NOWIDE}, 727 {{T_SEQUENTIAL, T_REMOV, 728 "SONY ", "SDT-5200 ", "3."}, PQUIRK_NOLUNS}, 729 {{T_SEQUENTIAL, T_REMOV, 730 "TANDBERG", " TDC 3600 ", ""}, PQUIRK_NOLUNS}, 731 /* Following entry reported as a Tandberg 3600; ref. PR1933 */ 732 {{T_SEQUENTIAL, T_REMOV, 733 "ARCHIVE ", "VIPER 150 21247", ""}, PQUIRK_NOLUNS}, 734 /* Following entry for a Cipher ST150S; ref. PR4171 */ 735 {{T_SEQUENTIAL, T_REMOV, 736 "ARCHIVE ", "VIPER 1500 21247", "2.2G"}, PQUIRK_NOLUNS}, 737 {{T_SEQUENTIAL, T_REMOV, 738 "ARCHIVE ", "Python 28454-XXX", ""}, PQUIRK_NOLUNS}, 739 {{T_SEQUENTIAL, T_REMOV, 740 "WANGTEK ", "5099ES SCSI", ""}, PQUIRK_NOLUNS}, 741 {{T_SEQUENTIAL, T_REMOV, 742 "WANGTEK ", "5150ES SCSI", ""}, PQUIRK_NOLUNS}, 743 {{T_SEQUENTIAL, T_REMOV, 744 "WANGTEK ", "SCSI-36", ""}, PQUIRK_NOLUNS}, 745 {{T_SEQUENTIAL, T_REMOV, 746 "WangDAT ", "Model 1300 ", "02.4"}, PQUIRK_NOSYNC|PQUIRK_NOWIDE}, 747 {{T_SEQUENTIAL, T_REMOV, 748 "WangDAT ", "Model 2600 ", "01.7"}, PQUIRK_NOSYNC|PQUIRK_NOWIDE}, 749 {{T_SEQUENTIAL, T_REMOV, 750 "WangDAT ", "Model 3200 ", "02.2"}, PQUIRK_NOSYNC|PQUIRK_NOWIDE}, 751 {{T_SEQUENTIAL, T_REMOV, 752 "TEAC ", "MT-2ST/N50 ", ""}, PQUIRK_NOLUNS}, 753 754 {{T_SCANNER, T_FIXED, 755 "RICOH ", "IS60 ", "1R08"}, PQUIRK_NOLUNS}, 756 {{T_SCANNER, T_FIXED, 757 "UMAX ", "Astra 1200S ", "V2.9"}, PQUIRK_NOLUNS}, 758 {{T_SCANNER, T_FIXED, 759 "UMAX ", "Astra 1220S ", ""}, PQUIRK_NOLUNS}, 760 {{T_SCANNER, T_FIXED, 761 "UMAX ", "UMAX S-6E ", "V2.0"}, PQUIRK_NOLUNS}, 762 {{T_SCANNER, T_FIXED, 763 "UMAX ", "UMAX S-12 ", "V2.1"}, PQUIRK_NOLUNS}, 764 {{T_SCANNER, T_FIXED, 765 "ULTIMA ", "A6000C ", ""}, PQUIRK_NOLUNS}, 766 {{T_PROCESSOR, T_FIXED, 767 "ESG-SHV", "SCA HSBP M15", ""}, PQUIRK_NOLUNS}, 768 {{T_PROCESSOR, T_FIXED, 769 "SYMBIOS", "", ""}, PQUIRK_NOLUNS}, 770 {{T_PROCESSOR, T_FIXED, 771 "LITRONIC", "PCMCIA ", ""}, PQUIRK_NOLUNS}, 772 {{T_CHANGER, T_REMOV, 773 "SONY ", "CDL1100 ", ""}, PQUIRK_NOLUNS}, 774 {{T_ENCLOSURE, T_FIXED, 775 "SUN ", "SENA ", ""}, PQUIRK_NOLUNS}, 776 }; 777 778 /* 779 * given a target and lun, ask the device what 780 * it is, and find the correct driver table 781 * entry. 782 */ 783 static int 784 scsi_probe_device(struct scsibus_softc *sc, int target, int lun) 785 { 786 struct scsipi_channel *chan = sc->sc_channel; 787 struct scsipi_periph *periph; 788 struct scsipi_inquiry_data inqbuf; 789 const struct scsi_quirk_inquiry_pattern *finger; 790 int checkdtype, priority, docontinue, quirks; 791 struct scsipibus_attach_args sa; 792 cfdata_t cf; 793 int locs[SCSIBUSCF_NLOCS]; 794 795 /* 796 * Assume no more luns to search after this one. 797 * If we successfully get Inquiry data and after 798 * merging quirks we find we can probe for more 799 * luns, we will. 800 */ 801 docontinue = 0; 802 803 /* Skip this slot if it is already attached. */ 804 if (scsipi_lookup_periph(chan, target, lun) != NULL) 805 return (docontinue); 806 807 periph = scsipi_alloc_periph(M_NOWAIT); 808 if (periph == NULL) { 809 #ifdef DIAGNOSTIC 810 aprint_error_dev(sc->sc_dev, 811 "cannot allocate periph for target %d lun %d\n", 812 target, lun); 813 #endif 814 return (ENOMEM); 815 } 816 periph->periph_channel = chan; 817 periph->periph_switch = &scsi_probe_dev; 818 819 periph->periph_target = target; 820 periph->periph_lun = lun; 821 periph->periph_quirks = chan->chan_defquirks; 822 823 #ifdef SCSIPI_DEBUG 824 if (SCSIPI_DEBUG_TYPE == SCSIPI_BUSTYPE_SCSI && 825 SCSIPI_DEBUG_TARGET == target && 826 SCSIPI_DEBUG_LUN == lun) 827 periph->periph_dbflags |= SCSIPI_DEBUG_FLAGS; 828 #endif 829 830 /* 831 * Ask the device what it is 832 */ 833 834 #ifdef SCSI_2_DEF 835 /* some devices need to be told to go to SCSI2 */ 836 /* However some just explode if you tell them this.. leave it out */ 837 scsi_change_def(periph, XS_CTL_DISCOVERY | XS_CTL_SILENT); 838 #endif /* SCSI_2_DEF */ 839 840 /* Now go ask the device all about itself. */ 841 memset(&inqbuf, 0, sizeof(inqbuf)); 842 { 843 u_int8_t *extension = &inqbuf.flags1; 844 int len = 0; 845 while (len < 3) 846 extension[len++] = '\0'; 847 while (len < 3 + 28) 848 extension[len++] = ' '; 849 while (len < 3 + 28 + 20) 850 extension[len++] = '\0'; 851 while (len < 3 + 28 + 20 + 1) 852 extension[len++] = '\0'; 853 while (len < 3 + 28 + 20 + 1 + 1) 854 extension[len++] = '\0'; 855 while (len < 3 + 28 + 20 + 1 + 1 + (8*2)) 856 extension[len++] = ' '; 857 } 858 if (scsipi_inquire(periph, &inqbuf, XS_CTL_DISCOVERY | XS_CTL_SILENT)) 859 goto bad; 860 861 periph->periph_type = inqbuf.device & SID_TYPE; 862 if (inqbuf.dev_qual2 & SID_REMOVABLE) 863 periph->periph_flags |= PERIPH_REMOVABLE; 864 periph->periph_version = inqbuf.version & SID_ANSII; 865 866 /* 867 * Any device qualifier that has the top bit set (qualifier&4 != 0) 868 * is vendor specific and won't match in this switch. 869 * All we do here is throw out bad/negative responses. 870 */ 871 checkdtype = 0; 872 switch (inqbuf.device & SID_QUAL) { 873 case SID_QUAL_LU_PRESENT: 874 checkdtype = 1; 875 break; 876 877 case SID_QUAL_LU_NOTPRESENT: 878 case SID_QUAL_reserved: 879 case SID_QUAL_LU_NOT_SUPP: 880 goto bad; 881 882 default: 883 break; 884 } 885 886 /* Let the adapter driver handle the device separatley if it wants. */ 887 if (chan->chan_adapter->adapt_accesschk != NULL && 888 (*chan->chan_adapter->adapt_accesschk)(periph, &sa.sa_inqbuf)) 889 goto bad; 890 891 if (checkdtype) { 892 switch (periph->periph_type) { 893 case T_DIRECT: 894 case T_SEQUENTIAL: 895 case T_PRINTER: 896 case T_PROCESSOR: 897 case T_WORM: 898 case T_CDROM: 899 case T_SCANNER: 900 case T_OPTICAL: 901 case T_CHANGER: 902 case T_COMM: 903 case T_IT8_1: 904 case T_IT8_2: 905 case T_STORARRAY: 906 case T_ENCLOSURE: 907 case T_SIMPLE_DIRECT: 908 case T_OPTIC_CARD_RW: 909 case T_OBJECT_STORED: 910 default: 911 break; 912 case T_NODEVICE: 913 goto bad; 914 } 915 } 916 917 sa.sa_periph = periph; 918 sa.sa_inqbuf.type = inqbuf.device; 919 sa.sa_inqbuf.removable = inqbuf.dev_qual2 & SID_REMOVABLE ? 920 T_REMOV : T_FIXED; 921 sa.sa_inqbuf.vendor = inqbuf.vendor; 922 sa.sa_inqbuf.product = inqbuf.product; 923 sa.sa_inqbuf.revision = inqbuf.revision; 924 sa.scsipi_info.scsi_version = inqbuf.version; 925 sa.sa_inqptr = &inqbuf; 926 927 finger = scsipi_inqmatch( 928 &sa.sa_inqbuf, scsi_quirk_patterns, 929 sizeof(scsi_quirk_patterns)/sizeof(scsi_quirk_patterns[0]), 930 sizeof(scsi_quirk_patterns[0]), &priority); 931 932 if (finger != NULL) 933 quirks = finger->quirks; 934 else 935 quirks = 0; 936 937 /* 938 * Determine the operating mode capabilities of the device. 939 */ 940 if (periph->periph_version >= 2) { 941 if ((inqbuf.flags3 & SID_CmdQue) != 0 && 942 (quirks & PQUIRK_NOTAG) == 0) 943 periph->periph_cap |= PERIPH_CAP_TQING; 944 if ((inqbuf.flags3 & SID_Linked) != 0) 945 periph->periph_cap |= PERIPH_CAP_LINKCMDS; 946 if ((inqbuf.flags3 & SID_Sync) != 0 && 947 (quirks & PQUIRK_NOSYNC) == 0) 948 periph->periph_cap |= PERIPH_CAP_SYNC; 949 if ((inqbuf.flags3 & SID_WBus16) != 0 && 950 (quirks & PQUIRK_NOWIDE) == 0) 951 periph->periph_cap |= PERIPH_CAP_WIDE16; 952 if ((inqbuf.flags3 & SID_WBus32) != 0 && 953 (quirks & PQUIRK_NOWIDE) == 0) 954 periph->periph_cap |= PERIPH_CAP_WIDE32; 955 if ((inqbuf.flags3 & SID_SftRe) != 0) 956 periph->periph_cap |= PERIPH_CAP_SFTRESET; 957 if ((inqbuf.flags3 & SID_RelAdr) != 0) 958 periph->periph_cap |= PERIPH_CAP_RELADR; 959 /* SPC-2 */ 960 if (periph->periph_version >= 3 && 961 !(quirks & PQUIRK_CAP_NODT)){ 962 /* 963 * Report ST clocking though CAP_WIDExx/CAP_SYNC. 964 * If the device only supports DT, clear these 965 * flags (DT implies SYNC and WIDE) 966 */ 967 switch (inqbuf.flags4 & SID_Clocking) { 968 case SID_CLOCKING_DT_ONLY: 969 periph->periph_cap &= 970 ~(PERIPH_CAP_SYNC | 971 PERIPH_CAP_WIDE16 | 972 PERIPH_CAP_WIDE32); 973 /* FALLTHROUGH */ 974 case SID_CLOCKING_SD_DT: 975 periph->periph_cap |= PERIPH_CAP_DT; 976 break; 977 default: /* ST only or invalid */ 978 /* nothing to do */ 979 break; 980 } 981 } 982 if (periph->periph_version >= 3) { 983 if (inqbuf.flags4 & SID_IUS) 984 periph->periph_cap |= PERIPH_CAP_IUS; 985 if (inqbuf.flags4 & SID_QAS) 986 periph->periph_cap |= PERIPH_CAP_QAS; 987 } 988 } 989 if (quirks & PQUIRK_CAP_SYNC) 990 periph->periph_cap |= PERIPH_CAP_SYNC; 991 if (quirks & PQUIRK_CAP_WIDE16) 992 periph->periph_cap |= PERIPH_CAP_WIDE16; 993 994 /* 995 * Now apply any quirks from the table. 996 */ 997 periph->periph_quirks |= quirks; 998 if (periph->periph_version == 0 && 999 (periph->periph_quirks & PQUIRK_FORCELUNS) == 0) 1000 periph->periph_quirks |= PQUIRK_NOLUNS; 1001 1002 if ((periph->periph_quirks & PQUIRK_NOLUNS) == 0) 1003 docontinue = 1; 1004 1005 locs[SCSIBUSCF_TARGET] = target; 1006 locs[SCSIBUSCF_LUN] = lun; 1007 1008 if ((cf = config_search_loc(config_stdsubmatch, sc->sc_dev, 1009 "scsibus", locs, &sa)) != NULL) { 1010 scsipi_insert_periph(chan, periph); 1011 /* 1012 * XXX Can't assign periph_dev here, because we'll 1013 * XXX need it before config_attach() returns. Must 1014 * XXX assign it in periph driver. 1015 */ 1016 config_attach_loc(sc->sc_dev, cf, locs, &sa, 1017 scsibusprint); 1018 } else { 1019 scsibusprint(&sa, device_xname(sc->sc_dev)); 1020 aprint_normal(" not configured\n"); 1021 goto bad; 1022 } 1023 1024 return (docontinue); 1025 1026 bad: 1027 free(periph, M_DEVBUF); 1028 return (docontinue); 1029 } 1030 1031 /****** Entry points for user control of the SCSI bus. ******/ 1032 1033 static int 1034 scsibusopen(dev_t dev, int flag, int fmt, 1035 struct lwp *l) 1036 { 1037 struct scsibus_softc *sc; 1038 int error, unit = minor(dev); 1039 1040 sc = device_lookup_private(&scsibus_cd, unit); 1041 if (sc == NULL) 1042 return (ENXIO); 1043 1044 if (sc->sc_flags & SCSIBUSF_OPEN) 1045 return (EBUSY); 1046 1047 if ((error = scsipi_adapter_addref(sc->sc_channel->chan_adapter)) != 0) 1048 return (error); 1049 1050 sc->sc_flags |= SCSIBUSF_OPEN; 1051 1052 return (0); 1053 } 1054 1055 static int 1056 scsibusclose(dev_t dev, int flag, int fmt, 1057 struct lwp *l) 1058 { 1059 struct scsibus_softc *sc; 1060 1061 sc = device_lookup_private(&scsibus_cd, minor(dev)); 1062 scsipi_adapter_delref(sc->sc_channel->chan_adapter); 1063 1064 sc->sc_flags &= ~SCSIBUSF_OPEN; 1065 1066 return (0); 1067 } 1068 1069 static int 1070 scsibusioctl(dev_t dev, u_long cmd, void *addr, int flag, struct lwp *l) 1071 { 1072 struct scsibus_softc *sc; 1073 struct scsipi_channel *chan; 1074 int error; 1075 1076 sc = device_lookup_private(&scsibus_cd, minor(dev)); 1077 chan = sc->sc_channel; 1078 1079 /* 1080 * Enforce write permission for ioctls that change the 1081 * state of the bus. Host adapter specific ioctls must 1082 * be checked by the adapter driver. 1083 */ 1084 switch (cmd) { 1085 case SCBUSIOSCAN: 1086 case SCBUSIODETACH: 1087 case SCBUSIORESET: 1088 if ((flag & FWRITE) == 0) 1089 return (EBADF); 1090 } 1091 1092 switch (cmd) { 1093 case SCBUSIOSCAN: 1094 { 1095 struct scbusioscan_args *a = 1096 (struct scbusioscan_args *)addr; 1097 1098 error = scsi_probe_bus(sc, a->sa_target, a->sa_lun); 1099 break; 1100 } 1101 1102 case SCBUSIODETACH: 1103 { 1104 struct scbusiodetach_args *a = 1105 (struct scbusiodetach_args *)addr; 1106 1107 error = scsipi_target_detach(chan, a->sa_target, a->sa_lun, 0); 1108 break; 1109 } 1110 1111 1112 case SCBUSIORESET: 1113 /* FALLTHROUGH */ 1114 default: 1115 if (chan->chan_adapter->adapt_ioctl == NULL) 1116 error = ENOTTY; 1117 else 1118 error = (*chan->chan_adapter->adapt_ioctl)(chan, 1119 cmd, addr, flag, l->l_proc); 1120 break; 1121 } 1122 1123 return (error); 1124 } 1125
Indexes created Mon Sep 29 21:09:56 GMT 2025