scsiconf.c revision 1.69
1 /* $NetBSD: scsiconf.c,v 1.69 1996/11/08 05:06:55 explorer Exp $ */ 2 3 /* 4 * Copyright (c) 1994 Charles Hannum. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. All advertising materials mentioning features or use of this software 15 * must display the following acknowledgement: 16 * This product includes software developed by Charles Hannum. 17 * 4. The name of the author may not be used to endorse or promote products 18 * derived from this software without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 21 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 22 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 23 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 25 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 29 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 /* 33 * Originally written by Julian Elischer (julian (at) tfs.com) 34 * for TRW Financial Systems for use under the MACH(2.5) operating system. 35 * 36 * TRW Financial Systems, in accordance with their agreement with Carnegie 37 * Mellon University, makes this software available to CMU to distribute 38 * or use in any manner that they see fit as long as this message is kept with 39 * the software. For this reason TFS also grants any other persons or 40 * organisations permission to use or modify this software. 41 * 42 * TFS supplies this software to be publicly redistributed 43 * on the understanding that TFS is not responsible for the correct 44 * functioning of this software in any circumstances. 45 * 46 * Ported to run under 386BSD by Julian Elischer (julian (at) tfs.com) Sept 1992 47 */ 48 49 #include <sys/types.h> 50 #include <sys/param.h> 51 #include <sys/systm.h> 52 #include <sys/malloc.h> 53 #include <sys/device.h> 54 55 #include <scsi/scsi_all.h> 56 #include <scsi/scsiconf.h> 57 58 #if 0 59 #if NCALS > 0 60 { T_PROCESSOR, T_FIXED, 1, 61 0, 0, 0 }, 62 #endif /* NCALS */ 63 #if NBLL > 0 64 { T_PROCESSOR, T_FIXED, 1, 65 "AEG ", "READER ", "V1.0" }, 66 #endif /* NBLL */ 67 #if NKIL > 0 68 { T_SCANNER, T_FIXED, 0, 69 "KODAK ", "IL Scanner 900 ", 0 }, 70 #endif /* NKIL */ 71 #endif 72 73 /* 74 * Declarations 75 */ 76 void scsi_probedev __P((struct scsibus_softc *, int, int)); 77 int scsi_probe_bus __P((int bus, int target, int lun)); 78 79 struct scsi_device probe_switch = { 80 NULL, 81 NULL, 82 NULL, 83 NULL, 84 }; 85 86 int scsibusmatch __P((struct device *, void *, void *)); 87 void scsibusattach __P((struct device *, struct device *, void *)); 88 int scsibussubmatch __P((struct device *, void *, void *)); 89 90 struct cfattach scsibus_ca = { 91 sizeof(struct scsibus_softc), scsibusmatch, scsibusattach 92 }; 93 94 struct cfdriver scsibus_cd = { 95 NULL, "scsibus", DV_DULL 96 }; 97 98 int scsibusprint __P((void *, const char *)); 99 100 int 101 scsiprint(aux, pnp) 102 void *aux; 103 const char *pnp; 104 { 105 struct scsi_link *l = aux; 106 107 /* only "scsibus"es can attach to "scsi"s; easy. */ 108 if (pnp) 109 printf("scsibus at %s", pnp); 110 111 /* don't print channel if the controller says there can be only one. */ 112 if (l->channel != SCSI_CHANNEL_ONLY_ONE) 113 printf(" channel %d", l->channel); 114 115 return (UNCONF); 116 } 117 118 int 119 scsibusmatch(parent, match, aux) 120 struct device *parent; 121 void *match, *aux; 122 { 123 struct cfdata *cf = match; 124 struct scsi_link *l = aux; 125 int channel; 126 127 /* 128 * Allow single-channel controllers to specify their channel 129 * in a special way, so that it's not printed. 130 */ 131 channel = (l->channel != SCSI_CHANNEL_ONLY_ONE) ? l->channel : 0; 132 133 if (cf->scsicf_channel != channel && 134 cf->scsicf_channel != SCSI_CHANNEL_UNKNOWN) 135 return (0); 136 137 return (1); 138 } 139 140 /* 141 * The routine called by the adapter boards to get all their 142 * devices configured in. 143 */ 144 void 145 scsibusattach(parent, self, aux) 146 struct device *parent, *self; 147 void *aux; 148 { 149 struct scsibus_softc *sb = (struct scsibus_softc *)self; 150 struct scsi_link *sc_link_proto = aux; 151 152 sc_link_proto->scsibus = sb->sc_dev.dv_unit; 153 sb->adapter_link = sc_link_proto; 154 printf("\n"); 155 156 #if defined(SCSI_DELAY) && SCSI_DELAY > 2 157 printf("%s: waiting for scsi devices to settle\n", 158 sb->sc_dev.dv_xname); 159 #else /* SCSI_DELAY > 2 */ 160 #undef SCSI_DELAY 161 #define SCSI_DELAY 2 162 #endif /* SCSI_DELAY */ 163 delay(1000000 * SCSI_DELAY); 164 165 scsi_probe_bus(sb->sc_dev.dv_unit, -1, -1); 166 } 167 168 int 169 scsibussubmatch(parent, match, aux) 170 struct device *parent; 171 void *match, *aux; 172 { 173 struct cfdata *cf = match; 174 struct scsibus_attach_args *sa = aux; 175 struct scsi_link *sc_link = sa->sa_sc_link; 176 177 if (cf->cf_loc[0] != -1 && cf->cf_loc[0] != sc_link->target) 178 return 0; 179 if (cf->cf_loc[1] != -1 && cf->cf_loc[1] != sc_link->lun) 180 return 0; 181 return ((*cf->cf_attach->ca_match)(parent, match, aux)); 182 } 183 184 /* 185 * Probe the requested scsi bus. It must be already set up. 186 * -1 requests all set up scsi busses. 187 * target and lun optionally narrow the search if not -1 188 */ 189 int 190 scsi_probe_busses(bus, target, lun) 191 int bus, target, lun; 192 { 193 194 if (bus == -1) { 195 for (bus = 0; bus < scsibus_cd.cd_ndevs; bus++) 196 if (scsibus_cd.cd_devs[bus]) 197 scsi_probe_bus(bus, target, lun); 198 return 0; 199 } else { 200 return scsi_probe_bus(bus, target, lun); 201 } 202 } 203 204 /* 205 * Probe the requested scsi bus. It must be already set up. 206 * target and lun optionally narrow the search if not -1 207 */ 208 int 209 scsi_probe_bus(bus, target, lun) 210 int bus, target, lun; 211 { 212 struct scsibus_softc *scsi; 213 int maxtarget, mintarget, maxlun, minlun; 214 u_int8_t scsi_addr; 215 216 if (bus < 0 || bus >= scsibus_cd.cd_ndevs) 217 return ENXIO; 218 scsi = scsibus_cd.cd_devs[bus]; 219 if (!scsi) 220 return ENXIO; 221 222 scsi_addr = scsi->adapter_link->adapter_target; 223 224 if (target == -1) { 225 maxtarget = 7; 226 mintarget = 0; 227 } else { 228 if (target < 0 || target > 7) 229 return EINVAL; 230 maxtarget = mintarget = target; 231 } 232 233 if (lun == -1) { 234 maxlun = 7; 235 minlun = 0; 236 } else { 237 if (lun < 0 || lun > 7) 238 return EINVAL; 239 maxlun = minlun = lun; 240 } 241 242 for (target = mintarget; target <= maxtarget; target++) { 243 if (target == scsi_addr) 244 continue; 245 for (lun = minlun; lun <= maxlun; lun++) { 246 /* 247 * See if there's a device present, and configure it. 248 */ 249 scsi_probedev(scsi, target, lun); 250 if ((scsi->moreluns & (1 << target)) == 0) 251 break; 252 /* otherwise something says we should look further */ 253 } 254 } 255 return 0; 256 } 257 258 void 259 scsi_strvis(dst, src, len) 260 u_char *dst, *src; 261 int len; 262 { 263 264 /* Trim leading and trailing blanks and NULs. */ 265 while (len > 0 && (src[0] == ' ' || src[0] == '\0')) 266 ++src, --len; 267 while (len > 0 && (src[len-1] == ' ' || src[len-1] == '\0')) 268 --len; 269 270 while (len > 0) { 271 if (*src < 0x20 || *src >= 0x80) { 272 /* non-printable characters */ 273 *dst++ = '\\'; 274 *dst++ = ((*src & 0300) >> 6) + '0'; 275 *dst++ = ((*src & 0070) >> 3) + '0'; 276 *dst++ = ((*src & 0007) >> 0) + '0'; 277 } else if (*src == '\\') { 278 /* quote characters */ 279 *dst++ = '\\'; 280 *dst++ = '\\'; 281 } else { 282 /* normal characters */ 283 *dst++ = *src; 284 } 285 ++src, --len; 286 } 287 288 *dst++ = 0; 289 } 290 291 struct scsi_quirk_inquiry_pattern { 292 struct scsi_inquiry_pattern pattern; 293 u_int8_t quirks; 294 }; 295 296 struct scsi_quirk_inquiry_pattern scsi_quirk_patterns[] = { 297 {{T_CDROM, T_REMOV, 298 "CHINON ", "CD-ROM CDS-431 ", ""}, SDEV_NOLUNS}, 299 {{T_CDROM, T_REMOV, 300 "Chinon ", "CD-ROM CDS-525 ", ""}, SDEV_NOLUNS}, 301 {{T_CDROM, T_REMOV, 302 "CHINON ", "CD-ROM CDS-535 ", ""}, SDEV_NOLUNS}, 303 {{T_CDROM, T_REMOV, 304 "DENON ", "DRD-25X ", "V"}, SDEV_NOLUNS}, 305 {{T_CDROM, T_REMOV, 306 "IMS ", "CDD521/10 ", "2.06"}, SDEV_NOLUNS}, 307 {{T_CDROM, T_REMOV, 308 "MATSHITA", "CD-ROM CR-5XX ", "1.0b"}, SDEV_NOLUNS}, 309 {{T_CDROM, T_REMOV, 310 "MEDIAVIS", "CDR-H93MV ", "1.31"}, SDEV_NOLUNS}, 311 {{T_CDROM, T_REMOV, 312 "NEC ", "CD-ROM DRIVE:55 ", ""}, SDEV_NOLUNS}, 313 {{T_CDROM, T_REMOV, 314 "NEC ", "CD-ROM DRIVE:83 ", ""}, SDEV_NOLUNS}, 315 {{T_CDROM, T_REMOV, 316 "NEC ", "CD-ROM DRIVE:84 ", ""}, SDEV_NOLUNS}, 317 {{T_CDROM, T_REMOV, 318 "NEC ", "CD-ROM DRIVE:841", ""}, SDEV_NOLUNS}, 319 {{T_CDROM, T_REMOV, 320 "SONY ", "CD-ROM CDU-541 ", ""}, SDEV_NOLUNS}, 321 {{T_CDROM, T_REMOV, 322 "SONY ", "CD-ROM CDU-55S ", ""}, SDEV_NOLUNS}, 323 {{T_CDROM, T_REMOV, 324 "SONY ", "CD-ROM CDU-8003A", ""}, SDEV_NOLUNS}, 325 {{T_CDROM, T_REMOV, 326 "SONY ", "CD-ROM CDU-8012 ", ""}, SDEV_NOLUNS}, 327 {{T_CDROM, T_REMOV, 328 "TEAC ", "CD-ROM ", "1.06"}, SDEV_NOLUNS}, 329 {{T_CDROM, T_REMOV, 330 "TEAC ", "CD-ROM CD-56S ", "1.0B"}, SDEV_NOLUNS}, 331 {{T_CDROM, T_REMOV, 332 "TEXEL ", "CD-ROM ", "1.06"}, SDEV_NOLUNS}, 333 {{T_CDROM, T_REMOV, 334 "TEXEL ", "CD-ROM DM-XX24 K", "1.10"}, SDEV_NOLUNS}, 335 {{T_CDROM, T_REMOV, 336 "ShinaKen", "CD-ROM DM-3x1S", "1.04"}, SDEV_NOLUNS}, 337 338 {{T_OPTICAL, T_REMOV, 339 "EPSON ", "OMD-5010 ", "3.08"}, SDEV_NOLUNS}, 340 {{T_OPTICAL, T_REMOV, 341 "FUJITSU", "M2513A", "0800"}, SDEV_NOMODESENSE}, 342 {{T_OPTICAL, T_REMOV, 343 "DELTIS ", "MOS321 ", "3.30"}, SDEV_NOMODESENSE}, 344 345 {{T_DIRECT, T_FIXED, 346 "DEC ", "RZ55 (C) DEC", ""}, SDEV_AUTOSAVE}, 347 {{T_DIRECT, T_FIXED, 348 "EMULEX ", "MD21/S2 ESDI", "A00"}, SDEV_FORCELUNS}, 349 {{T_DIRECT, T_FIXED, 350 "MAXTOR ", "XT-3280 ", ""}, SDEV_NOLUNS}, 351 {{T_DIRECT, T_FIXED, 352 "MAXTOR ", "XT-4380S ", ""}, SDEV_NOLUNS}, 353 {{T_DIRECT, T_FIXED, 354 "MAXTOR ", "MXT-1240S ", ""}, SDEV_NOLUNS}, 355 {{T_DIRECT, T_FIXED, 356 "MAXTOR ", "XT-4170S ", ""}, SDEV_NOLUNS}, 357 {{T_DIRECT, T_FIXED, 358 "MAXTOR ", "XT-8760S", ""}, SDEV_NOLUNS}, 359 {{T_DIRECT, T_FIXED, 360 "MAXTOR ", "LXT-213S ", ""}, SDEV_NOLUNS}, 361 {{T_DIRECT, T_FIXED, 362 "MAXTOR ", "LXT-213S SUN0207", ""}, SDEV_NOLUNS}, 363 {{T_DIRECT, T_FIXED, 364 "MAXTOR ", "LXT-200S ", ""}, SDEV_NOLUNS}, 365 {{T_DIRECT, T_FIXED, 366 "MST ", "SnapLink ", ""}, SDEV_NOLUNS}, 367 {{T_DIRECT, T_FIXED, 368 "NEC ", "D3847 ", "0307"}, SDEV_NOLUNS}, 369 {{T_DIRECT, T_FIXED, 370 "QUANTUM ", "LPS525S ", ""}, SDEV_NOLUNS}, 371 {{T_DIRECT, T_FIXED, 372 "QUANTUM ", "P105S 910-10-94x", ""}, SDEV_NOLUNS}, 373 {{T_DIRECT, T_FIXED, 374 "QUANTUM ", "PD1225S ", ""}, SDEV_NOLUNS}, 375 {{T_DIRECT, T_FIXED, 376 "QUANTUM ", "PD210S SUN0207", ""}, SDEV_NOLUNS}, 377 {{T_DIRECT, T_FIXED, 378 "RODIME ", "RO3000S ", ""}, SDEV_NOLUNS}, 379 {{T_DIRECT, T_FIXED, 380 "SEAGATE ", "ST157N ", ""}, SDEV_NOLUNS}, 381 {{T_DIRECT, T_FIXED, 382 "SEAGATE ", "ST296 ", ""}, SDEV_NOLUNS}, 383 {{T_DIRECT, T_FIXED, 384 "SEAGATE ", "ST296N ", ""}, SDEV_NOLUNS}, 385 {{T_DIRECT, T_FIXED, 386 "TOSHIBA ", "MK538FB ", "6027"}, SDEV_NOLUNS}, 387 {{T_DIRECT, T_REMOV, 388 "iomega", "jaz 1GB", ""}, SDEV_NOMODESENSE}, 389 {{T_DIRECT, T_REMOV, 390 "IOMEGA", "ZIP 100", ""}, SDEV_NOMODESENSE}, 391 /* Letting the motor run kills floppy drives and disks quit fast. */ 392 {{T_DIRECT, T_REMOV, 393 "TEAC", "FC-1", ""}, SDEV_NOSTARTUNIT}, 394 395 /* XXX: QIC-36 tape behind Emulex adapter. Very broken. */ 396 {{T_SEQUENTIAL, T_REMOV, 397 " ", " ", " "}, SDEV_NOLUNS}, 398 {{T_SEQUENTIAL, T_REMOV, 399 "CALIPER ", "CP150 ", ""}, SDEV_NOLUNS}, 400 {{T_SEQUENTIAL, T_REMOV, 401 "EXABYTE ", "EXB-8200 ", ""}, SDEV_NOLUNS}, 402 {{T_SEQUENTIAL, T_REMOV, 403 "SONY ", "SDT-2000 ", "2.09"}, SDEV_NOLUNS}, 404 {{T_SEQUENTIAL, T_REMOV, 405 "SONY ", "SDT-5000 ", "3."}, SDEV_NOSYNCWIDE}, 406 {{T_SEQUENTIAL, T_REMOV, 407 "SONY ", "SDT-5200 ", "3."}, SDEV_NOLUNS}, 408 {{T_SEQUENTIAL, T_REMOV, 409 "TANDBERG", " TDC 3600 ", ""}, SDEV_NOLUNS}, 410 /* Following entry reported as a Tandberg 3600; ref. PR1933 */ 411 {{T_SEQUENTIAL, T_REMOV, 412 "ARCHIVE ", "VIPER 150 21247", ""}, SDEV_NOLUNS}, 413 {{T_SEQUENTIAL, T_REMOV, 414 "WANGTEK ", "5099ES SCSI", ""}, SDEV_NOLUNS}, 415 {{T_SEQUENTIAL, T_REMOV, 416 "WANGTEK ", "5150ES SCSI", ""}, SDEV_NOLUNS}, 417 {{T_SEQUENTIAL, T_REMOV, 418 "WangDAT ", "Model 1300 ", "02.4"}, SDEV_NOSYNCWIDE}, 419 {{T_SEQUENTIAL, T_REMOV, 420 "WangDAT ", "Model 2600 ", "01.7"}, SDEV_NOSYNCWIDE}, 421 {{T_SEQUENTIAL, T_REMOV, 422 "WangDAT ", "Model 3200 ", "02.2"}, SDEV_NOSYNCWIDE}, 423 }; 424 425 /* 426 * Print out autoconfiguration information for a subdevice. 427 * 428 * This is a slight abuse of 'standard' autoconfiguration semantics, 429 * because 'print' functions don't normally print the colon and 430 * device information. However, in this case that's better than 431 * either printing redundant information before the attach message, 432 * or having the device driver call a special function to print out 433 * the standard device information. 434 */ 435 int 436 scsibusprint(aux, pnp) 437 void *aux; 438 const char *pnp; 439 { 440 struct scsibus_attach_args *sa = aux; 441 struct scsi_inquiry_data *inqbuf; 442 u_int8_t type; 443 boolean removable; 444 char *dtype, *qtype; 445 char vendor[33], product[65], revision[17]; 446 int target, lun; 447 448 if (pnp != NULL) 449 printf("%s", pnp); 450 451 inqbuf = sa->sa_inqbuf; 452 453 target = sa->sa_sc_link->target; 454 lun = sa->sa_sc_link->lun; 455 456 type = inqbuf->device & SID_TYPE; 457 removable = inqbuf->dev_qual2 & SID_REMOVABLE ? 1 : 0; 458 459 /* 460 * Figure out basic device type and qualifier. 461 */ 462 dtype = 0; 463 switch (inqbuf->device & SID_QUAL) { 464 case SID_QUAL_LU_OK: 465 qtype = ""; 466 break; 467 468 case SID_QUAL_LU_OFFLINE: 469 qtype = " offline"; 470 break; 471 472 case SID_QUAL_RSVD: 473 case SID_QUAL_BAD_LU: 474 panic("scsibusprint: impossible qualifier"); 475 476 default: 477 qtype = ""; 478 dtype = "vendor-unique"; 479 break; 480 } 481 if (dtype == 0) { 482 switch (type) { 483 case T_DIRECT: 484 dtype = "direct"; 485 break; 486 case T_SEQUENTIAL: 487 dtype = "sequential"; 488 break; 489 case T_PRINTER: 490 dtype = "printer"; 491 break; 492 case T_PROCESSOR: 493 dtype = "processor"; 494 break; 495 case T_CDROM: 496 dtype = "cdrom"; 497 break; 498 case T_WORM: 499 dtype = "worm"; 500 break; 501 case T_SCANNER: 502 dtype = "scanner"; 503 break; 504 case T_OPTICAL: 505 dtype = "optical"; 506 break; 507 case T_CHANGER: 508 dtype = "changer"; 509 break; 510 case T_COMM: 511 dtype = "communication"; 512 break; 513 case T_NODEVICE: 514 panic("scsibusprint: impossible device type"); 515 default: 516 dtype = "unknown"; 517 break; 518 } 519 } 520 521 scsi_strvis(vendor, inqbuf->vendor, 8); 522 scsi_strvis(product, inqbuf->product, 16); 523 scsi_strvis(revision, inqbuf->revision, 4); 524 525 printf(" targ %d lun %d: <%s, %s, %s> SCSI%d %d/%s %s%s", 526 target, lun, vendor, product, revision, 527 inqbuf->version & SID_ANSII, type, dtype, 528 removable ? "removable" : "fixed", qtype); 529 530 return (UNCONF); 531 } 532 533 /* 534 * given a target and lu, ask the device what 535 * it is, and find the correct driver table 536 * entry. 537 */ 538 void 539 scsi_probedev(scsi, target, lun) 540 struct scsibus_softc *scsi; 541 int target, lun; 542 { 543 struct scsi_link *sc_link; 544 static struct scsi_inquiry_data inqbuf; 545 struct scsi_quirk_inquiry_pattern *finger; 546 int checkdtype, priority; 547 struct scsibus_attach_args sa; 548 struct cfdata *cf; 549 550 /* Skip this slot if it is already attached. */ 551 if (scsi->sc_link[target][lun]) 552 return; 553 554 sc_link = malloc(sizeof(*sc_link), M_DEVBUF, M_NOWAIT); 555 *sc_link = *scsi->adapter_link; 556 sc_link->target = target; 557 sc_link->lun = lun; 558 sc_link->device = &probe_switch; 559 560 /* 561 * Ask the device what it is 562 */ 563 #ifdef SCSIDEBUG 564 if (target == DEBUGTARGET && lun == DEBUGLUN) 565 sc_link->flags |= DEBUGLEVEL; 566 #endif /* SCSIDEBUG */ 567 568 (void) scsi_test_unit_ready(sc_link, 569 SCSI_AUTOCONF | SCSI_IGNORE_ILLEGAL_REQUEST | SCSI_IGNORE_NOT_READY | SCSI_IGNORE_MEDIA_CHANGE); 570 571 #ifdef SCSI_2_DEF 572 /* some devices need to be told to go to SCSI2 */ 573 /* However some just explode if you tell them this.. leave it out */ 574 scsi_change_def(sc_link, SCSI_AUTOCONF | SCSI_SILENT); 575 #endif /* SCSI_2_DEF */ 576 577 /* Now go ask the device all about itself. */ 578 bzero(&inqbuf, sizeof(inqbuf)); 579 if (scsi_inquire(sc_link, &inqbuf, SCSI_AUTOCONF) != 0) 580 goto bad; 581 582 { 583 int len = inqbuf.additional_length; 584 while (len < 3) 585 inqbuf.unused[len++] = '\0'; 586 while (len < 3 + 28) 587 inqbuf.unused[len++] = ' '; 588 } 589 590 finger = (struct scsi_quirk_inquiry_pattern *)scsi_inqmatch(&inqbuf, 591 (caddr_t)scsi_quirk_patterns, 592 sizeof(scsi_quirk_patterns)/sizeof(scsi_quirk_patterns[0]), 593 sizeof(scsi_quirk_patterns[0]), &priority); 594 if (priority != 0) 595 sc_link->quirks |= finger->quirks; 596 if ((inqbuf.version & SID_ANSII) == 0 && 597 (sc_link->quirks & SDEV_FORCELUNS) == 0) 598 sc_link->quirks |= SDEV_NOLUNS; 599 sc_link->scsi_version = inqbuf.version; 600 601 if ((sc_link->quirks & SDEV_NOLUNS) == 0) 602 scsi->moreluns |= (1 << target); 603 604 /* 605 * note what BASIC type of device it is 606 */ 607 if ((inqbuf.dev_qual2 & SID_REMOVABLE) != 0) 608 sc_link->flags |= SDEV_REMOVABLE; 609 610 /* 611 * Any device qualifier that has the top bit set (qualifier&4 != 0) 612 * is vendor specific and won't match in this switch. 613 * All we do here is throw out bad/negative responses. 614 */ 615 checkdtype = 0; 616 switch (inqbuf.device & SID_QUAL) { 617 case SID_QUAL_LU_OK: 618 case SID_QUAL_LU_OFFLINE: 619 checkdtype = 1; 620 break; 621 622 case SID_QUAL_RSVD: 623 case SID_QUAL_BAD_LU: 624 goto bad; 625 626 default: 627 break; 628 } 629 if (checkdtype) { 630 switch (inqbuf.device & SID_TYPE) { 631 case T_DIRECT: 632 case T_SEQUENTIAL: 633 case T_PRINTER: 634 case T_PROCESSOR: 635 case T_CDROM: 636 case T_WORM: 637 case T_SCANNER: 638 case T_OPTICAL: 639 case T_CHANGER: 640 case T_COMM: 641 default: 642 break; 643 case T_NODEVICE: 644 goto bad; 645 } 646 } 647 648 sa.sa_sc_link = sc_link; 649 sa.sa_inqbuf = &inqbuf; 650 651 if ((cf = config_search(scsibussubmatch, (struct device *)scsi, &sa)) != 0) { 652 scsi->sc_link[target][lun] = sc_link; 653 config_attach((struct device *)scsi, cf, &sa, scsibusprint); 654 } else { 655 scsibusprint(&sa, scsi->sc_dev.dv_xname); 656 printf(" not configured\n"); 657 goto bad; 658 } 659 660 return; 661 662 bad: 663 free(sc_link, M_DEVBUF); 664 return; 665 } 666 667 /* 668 * Return a priority based on how much of the inquiry data matches 669 * the patterns for the particular driver. 670 */ 671 caddr_t 672 scsi_inqmatch(inqbuf, base, nmatches, matchsize, bestpriority) 673 struct scsi_inquiry_data *inqbuf; 674 caddr_t base; 675 int nmatches, matchsize; 676 int *bestpriority; 677 { 678 u_int8_t type; 679 boolean removable; 680 caddr_t bestmatch; 681 682 /* Include the qualifier to catch vendor-unique types. */ 683 type = inqbuf->device; 684 removable = inqbuf->dev_qual2 & SID_REMOVABLE ? T_REMOV : T_FIXED; 685 686 for (*bestpriority = 0, bestmatch = 0; nmatches--; base += matchsize) { 687 struct scsi_inquiry_pattern *match = (void *)base; 688 int priority, len; 689 690 if (type != match->type) 691 continue; 692 if (removable != match->removable) 693 continue; 694 priority = 2; 695 len = strlen(match->vendor); 696 if (bcmp(inqbuf->vendor, match->vendor, len)) 697 continue; 698 priority += len; 699 len = strlen(match->product); 700 if (bcmp(inqbuf->product, match->product, len)) 701 continue; 702 priority += len; 703 len = strlen(match->revision); 704 if (bcmp(inqbuf->revision, match->revision, len)) 705 continue; 706 priority += len; 707 708 #if SCSIDEBUG 709 printf("scsi_inqmatch: %d/%d/%d <%s, %s, %s>\n", 710 priority, match->type, match->removable, 711 match->vendor, match->product, match->revision); 712 #endif 713 if (priority > *bestpriority) { 714 *bestpriority = priority; 715 bestmatch = base; 716 } 717 } 718 719 return (bestmatch); 720 } 721
Indexes created Wed Sep 24 15:09:51 GMT 2025