scsiconf.c revision 1.52
1 /* $NetBSD: scsiconf.c,v 1.52 1996/03/05 01:45:42 thorpej 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 #include <sys/cpu.h> 55 56 #include <scsi/scsi_all.h> 57 #include <scsi/scsiconf.h> 58 59 #if 0 60 #if NCALS > 0 61 { T_PROCESSOR, T_FIXED, 1, 62 0, 0, 0 }, 63 #endif /* NCALS */ 64 #if NBLL > 0 65 { T_PROCESSOR, T_FIXED, 1, 66 "AEG ", "READER ", "V1.0" }, 67 #endif /* NBLL */ 68 #if NKIL > 0 69 { T_SCANNER, T_FIXED, 0, 70 "KODAK ", "IL Scanner 900 ", 0 }, 71 #endif /* NKIL */ 72 #endif 73 74 /* 75 * Declarations 76 */ 77 void scsi_probedev __P((struct scsibus_softc *, int, int)); 78 int scsi_probe_bus __P((int bus, int target, int lun)); 79 80 struct scsi_device probe_switch = { 81 NULL, 82 NULL, 83 NULL, 84 NULL, 85 }; 86 87 int scsibusmatch __P((struct device *, void *, void *)); 88 void scsibusattach __P((struct device *, struct device *, void *)); 89 int scsibussubmatch __P((struct device *, void *, void *)); 90 91 struct cfdriver scsibuscd = { 92 NULL, "scsibus", scsibusmatch, scsibusattach, DV_DULL, 93 sizeof(struct scsibus_softc) 94 }; 95 96 int scsibusprint __P((void *, char *)); 97 98 int 99 scsibusmatch(parent, match, aux) 100 struct device *parent; 101 void *match, *aux; 102 { 103 104 return 1; 105 } 106 107 /* 108 * The routine called by the adapter boards to get all their 109 * devices configured in. 110 */ 111 void 112 scsibusattach(parent, self, aux) 113 struct device *parent, *self; 114 void *aux; 115 { 116 struct scsibus_softc *sb = (struct scsibus_softc *)self; 117 struct scsi_link *sc_link_proto = aux; 118 119 sc_link_proto->scsibus = sb->sc_dev.dv_unit; 120 sb->adapter_link = sc_link_proto; 121 printf("\n"); 122 123 #if defined(SCSI_DELAY) && SCSI_DELAY > 2 124 printf("%s: waiting for scsi devices to settle\n", 125 sb->sc_dev.dv_xname); 126 #else /* SCSI_DELAY > 2 */ 127 #undef SCSI_DELAY 128 #define SCSI_DELAY 2 129 #endif /* SCSI_DELAY */ 130 delay(1000000 * SCSI_DELAY); 131 132 scsi_probe_bus(sb->sc_dev.dv_unit, -1, -1); 133 } 134 135 int 136 scsibussubmatch(parent, match, aux) 137 struct device *parent; 138 void *match, *aux; 139 { 140 struct cfdata *cf = match; 141 struct scsibus_attach_args *sa = aux; 142 struct scsi_link *sc_link = sa->sa_sc_link; 143 144 if (cf->cf_loc[0] != -1 && cf->cf_loc[0] != sc_link->target) 145 return 0; 146 if (cf->cf_loc[1] != -1 && cf->cf_loc[1] != sc_link->lun) 147 return 0; 148 return ((*cf->cf_driver->cd_match)(parent, match, aux)); 149 } 150 151 /* 152 * Probe the requested scsi bus. It must be already set up. 153 * -1 requests all set up scsi busses. 154 * target and lun optionally narrow the search if not -1 155 */ 156 int 157 scsi_probe_busses(bus, target, lun) 158 int bus, target, lun; 159 { 160 161 if (bus == -1) { 162 for (bus = 0; bus < scsibuscd.cd_ndevs; bus++) 163 if (scsibuscd.cd_devs[bus]) 164 scsi_probe_bus(bus, target, lun); 165 return 0; 166 } else { 167 return scsi_probe_bus(bus, target, lun); 168 } 169 } 170 171 /* 172 * Probe the requested scsi bus. It must be already set up. 173 * target and lun optionally narrow the search if not -1 174 */ 175 int 176 scsi_probe_bus(bus, target, lun) 177 int bus, target, lun; 178 { 179 struct scsibus_softc *scsi; 180 int maxtarget, mintarget, maxlun, minlun; 181 u_int8_t scsi_addr; 182 183 if (bus < 0 || bus >= scsibuscd.cd_ndevs) 184 return ENXIO; 185 scsi = scsibuscd.cd_devs[bus]; 186 if (!scsi) 187 return ENXIO; 188 189 scsi_addr = scsi->adapter_link->adapter_target; 190 191 if (target == -1) { 192 maxtarget = 7; 193 mintarget = 0; 194 } else { 195 if (target < 0 || target > 7) 196 return EINVAL; 197 maxtarget = mintarget = target; 198 } 199 200 if (lun == -1) { 201 maxlun = 7; 202 minlun = 0; 203 } else { 204 if (lun < 0 || lun > 7) 205 return EINVAL; 206 maxlun = minlun = lun; 207 } 208 209 for (target = mintarget; target <= maxtarget; target++) { 210 if (target == scsi_addr) 211 continue; 212 for (lun = minlun; lun <= maxlun; lun++) { 213 /* 214 * See if there's a device present, and configure it. 215 */ 216 scsi_probedev(scsi, target, lun); 217 if ((scsi->moreluns & (1 << target)) == 0) 218 break; 219 /* otherwise something says we should look further */ 220 } 221 } 222 return 0; 223 } 224 225 void 226 scsi_strvis(dst, src, len) 227 u_char *dst, *src; 228 int len; 229 { 230 231 /* Trim leading and trailing blanks and NULs. */ 232 while (len > 0 && (src[0] == ' ' || src[0] == '\0')) 233 ++src, --len; 234 while (len > 0 && (src[len-1] == ' ' || src[len-1] == '\0')) 235 --len; 236 237 while (len > 0) { 238 if (*src < 0x20 || *src >= 0x80) { 239 /* non-printable characters */ 240 *dst++ = '\\'; 241 *dst++ = ((*src & 0300) >> 6) + '0'; 242 *dst++ = ((*src & 0070) >> 3) + '0'; 243 *dst++ = ((*src & 0007) >> 0) + '0'; 244 } else if (*src == '\\') { 245 /* quote characters */ 246 *dst++ = '\\'; 247 *dst++ = '\\'; 248 } else { 249 /* normal characters */ 250 *dst++ = *src; 251 } 252 ++src, --len; 253 } 254 255 *dst++ = 0; 256 } 257 258 struct scsi_quirk_inquiry_pattern { 259 struct scsi_inquiry_pattern pattern; 260 u_int8_t quirks; 261 }; 262 263 struct scsi_quirk_inquiry_pattern scsi_quirk_patterns[] = { 264 {{T_CDROM, T_REMOV, 265 "CHINON ", "CD-ROM CDS-431 ", ""}, SDEV_NOLUNS}, 266 {{T_CDROM, T_REMOV, 267 "Chinon ", "CD-ROM CDS-525 ", ""}, SDEV_NOLUNS}, 268 {{T_CDROM, T_REMOV, 269 "CHINON ", "CD-ROM CDS-535 ", ""}, SDEV_NOLUNS}, 270 {{T_CDROM, T_REMOV, 271 "DENON ", "DRD-25X ", "V"}, SDEV_NOLUNS}, 272 {{T_CDROM, T_REMOV, 273 "IMS ", "CDD521/10 ", "2.06"}, SDEV_NOLUNS}, 274 {{T_CDROM, T_REMOV, 275 "MEDIAVIS", "CDR-H93MV ", "1.31"}, SDEV_NOLUNS}, 276 {{T_CDROM, T_REMOV, 277 "NEC ", "CD-ROM DRIVE:55 ", ""}, SDEV_NOLUNS}, 278 {{T_CDROM, T_REMOV, 279 "NEC ", "CD-ROM DRIVE:83 ", ""}, SDEV_NOLUNS}, 280 {{T_CDROM, T_REMOV, 281 "NEC ", "CD-ROM DRIVE:84 ", ""}, SDEV_NOLUNS}, 282 {{T_CDROM, T_REMOV, 283 "NEC ", "CD-ROM DRIVE:841", ""}, SDEV_NOLUNS}, 284 {{T_CDROM, T_REMOV, 285 "SONY ", "CD-ROM CDU-541 ", ""}, SDEV_NOLUNS}, 286 {{T_CDROM, T_REMOV, 287 "SONY ", "CD-ROM CDU-55S ", ""}, SDEV_NOLUNS}, 288 {{T_CDROM, T_REMOV, 289 "SONY ", "CD-ROM CDU-8003A", ""}, SDEV_NOLUNS}, 290 {{T_CDROM, T_REMOV, 291 "SONY ", "CD-ROM CDU-8012 ", ""}, SDEV_NOLUNS}, 292 {{T_CDROM, T_REMOV, 293 "TEAC ", "CD-ROM ", "1.06"}, SDEV_NOLUNS}, 294 {{T_CDROM, T_REMOV, 295 "TEXEL ", "CD-ROM ", "1.06"}, SDEV_NOLUNS}, 296 {{T_CDROM, T_REMOV, 297 "TEXEL ", "CD-ROM DM-XX24 K", "1.10"}, SDEV_NOLUNS}, 298 299 {{T_DIRECT, T_FIXED, 300 "DEC ", "RZ55 (C) DEC", ""}, SDEV_AUTOSAVE}, 301 {{T_DIRECT, T_FIXED, 302 "EMULEX ", "MD21/S2 ESDI", "A00"}, SDEV_FORCELUNS}, 303 {{T_DIRECT, T_FIXED, 304 "MAXTOR ", "XT-3280 ", ""}, SDEV_NOLUNS}, 305 {{T_DIRECT, T_FIXED, 306 "MAXTOR ", "XT-4380S ", ""}, SDEV_NOLUNS}, 307 {{T_DIRECT, T_FIXED, 308 "MAXTOR ", "MXT-1240S ", ""}, SDEV_NOLUNS}, 309 {{T_DIRECT, T_FIXED, 310 "MAXTOR ", "XT-4170S ", ""}, SDEV_NOLUNS}, 311 {{T_DIRECT, T_FIXED, 312 "MAXTOR ", "XT-8760S ", ""}, SDEV_NOLUNS}, 313 {{T_DIRECT, T_FIXED, 314 "MAXTOR ", "LXT-213S ", ""}, SDEV_NOLUNS}, 315 {{T_DIRECT, T_FIXED, 316 "MAXTOR ", "LXT-213S SUN0207", ""}, SDEV_NOLUNS}, 317 {{T_DIRECT, T_FIXED, 318 "MAXTOR ", "LXT-200S ", ""}, SDEV_NOLUNS}, 319 {{T_DIRECT, T_FIXED, 320 "MST ", "SnapLink ", ""}, SDEV_NOLUNS}, 321 {{T_DIRECT, T_FIXED, 322 "QUANTUM ", "LPS525S ", ""}, SDEV_NOLUNS}, 323 {{T_DIRECT, T_FIXED, 324 "QUANTUM ", "P105S 910-10-94x", ""}, SDEV_NOLUNS}, 325 {{T_DIRECT, T_FIXED, 326 "QUANTUM ", "PD1225S ", ""}, SDEV_NOLUNS}, 327 {{T_DIRECT, T_FIXED, 328 "QUANTUM ", "PD210S SUN0207", ""}, SDEV_NOLUNS}, 329 {{T_DIRECT, T_FIXED, 330 "RODIME ", "RO3000S ", ""}, SDEV_NOLUNS}, 331 {{T_DIRECT, T_FIXED, 332 "SEAGATE ", "ST157N ", ""}, SDEV_NOLUNS}, 333 {{T_DIRECT, T_FIXED, 334 "SEAGATE ", "ST296 ", ""}, SDEV_NOLUNS}, 335 {{T_DIRECT, T_FIXED, 336 "SEAGATE ", "ST296N ", ""}, SDEV_NOLUNS}, 337 {{T_DIRECT, T_FIXED, 338 "TOSHIBA ", "MK538FB ", "6027"}, SDEV_NOLUNS}, 339 340 /* XXX: QIC-36 tape behind Emulex adapter. Very broken. */ 341 {{T_SEQUENTIAL, T_REMOV, 342 " ", " ", " "}, SDEV_NOLUNS}, 343 {{T_SEQUENTIAL, T_REMOV, 344 "CALIPER ", "CP150 ", ""}, SDEV_NOLUNS}, 345 {{T_SEQUENTIAL, T_REMOV, 346 "EXABYTE ", "EXB-8200 ", ""}, SDEV_NOLUNS}, 347 {{T_SEQUENTIAL, T_REMOV, 348 "SONY ", "SDT-2000 ", "2.09"}, SDEV_NOLUNS}, 349 {{T_SEQUENTIAL, T_REMOV, 350 "SONY ", "SDT-5000 ", "3."}, SDEV_NOSYNCWIDE}, 351 {{T_SEQUENTIAL, T_REMOV, 352 "SONY ", "SDT-5200 ", "3."}, SDEV_NOLUNS}, 353 {{T_SEQUENTIAL, T_REMOV, 354 "TANDBERG", " TDC 3600 ", ""}, SDEV_NOLUNS}, 355 /* Following entry reported as a Tandberg 3600; ref. PR1933 */ 356 {{T_SEQUENTIAL, T_REMOV, 357 "ARCHIVE ", "VIPER 150 21247", ""}, SDEV_NOLUNS}, 358 {{T_SEQUENTIAL, T_REMOV, 359 "WANGTEK ", "5099ES SCSI", ""}, SDEV_NOLUNS}, 360 {{T_SEQUENTIAL, T_REMOV, 361 "WANGTEK ", "5150ES SCSI", ""}, SDEV_NOLUNS}, 362 {{T_SEQUENTIAL, T_REMOV, 363 "WangDAT ", "Model 1300 ", "02.4"}, SDEV_NOSYNCWIDE}, 364 {{T_SEQUENTIAL, T_REMOV, 365 "WangDAT ", "Model 2600 ", "01.7"}, SDEV_NOSYNCWIDE}, 366 {{T_SEQUENTIAL, T_REMOV, 367 "WangDAT ", "Model 3200 ", "02.2"}, SDEV_NOSYNCWIDE}, 368 }; 369 370 /* 371 * Print out autoconfiguration information for a subdevice. 372 * 373 * This is a slight abuse of 'standard' autoconfiguration semantics, 374 * because 'print' functions don't normally print the colon and 375 * device information. However, in this case that's better than 376 * either printing redundant information before the attach message, 377 * or having the device driver call a special function to print out 378 * the standard device information. 379 */ 380 int 381 scsibusprint(aux, pnp) 382 void *aux; 383 char *pnp; 384 { 385 struct scsibus_attach_args *sa = aux; 386 struct scsi_inquiry_data *inqbuf; 387 u_int8_t type; 388 boolean removable; 389 char *dtype, *qtype; 390 char vendor[33], product[65], revision[17]; 391 int target, lun; 392 393 if (pnp != NULL) 394 printf("%s", pnp); 395 396 inqbuf = sa->sa_inqbuf; 397 398 target = sa->sa_sc_link->target; 399 lun = sa->sa_sc_link->lun; 400 401 type = inqbuf->device & SID_TYPE; 402 removable = inqbuf->dev_qual2 & SID_REMOVABLE ? 1 : 0; 403 404 /* 405 * Figure out basic device type and qualifier. 406 */ 407 dtype = 0; 408 switch (inqbuf->device & SID_QUAL) { 409 case SID_QUAL_LU_OK: 410 qtype = ""; 411 break; 412 413 case SID_QUAL_LU_OFFLINE: 414 qtype = " offline"; 415 break; 416 417 case SID_QUAL_RSVD: 418 case SID_QUAL_BAD_LU: 419 panic("scsibusprint: impossible qualifier"); 420 421 default: 422 qtype = ""; 423 dtype = "vendor-unique"; 424 break; 425 } 426 if (dtype == 0) { 427 switch (type) { 428 case T_DIRECT: 429 dtype = "direct"; 430 break; 431 case T_SEQUENTIAL: 432 dtype = "sequential"; 433 break; 434 case T_PRINTER: 435 dtype = "printer"; 436 break; 437 case T_PROCESSOR: 438 dtype = "processor"; 439 break; 440 case T_CDROM: 441 dtype = "cdrom"; 442 break; 443 case T_WORM: 444 dtype = "worm"; 445 break; 446 case T_SCANNER: 447 dtype = "scanner"; 448 break; 449 case T_OPTICAL: 450 dtype = "optical"; 451 break; 452 case T_CHANGER: 453 dtype = "changer"; 454 break; 455 case T_COMM: 456 dtype = "communication"; 457 break; 458 case T_NODEVICE: 459 panic("scsibusprint: impossible device type"); 460 default: 461 dtype = "unknown"; 462 break; 463 } 464 } 465 466 scsi_strvis(vendor, inqbuf->vendor, 8); 467 scsi_strvis(product, inqbuf->product, 16); 468 scsi_strvis(revision, inqbuf->revision, 4); 469 470 printf(" targ %d lun %d: <%s, %s, %s> SCSI%d %d/%s %s%s", 471 target, lun, vendor, product, revision, 472 inqbuf->version & SID_ANSII, type, dtype, 473 removable ? "removable" : "fixed", qtype); 474 475 return (UNCONF); 476 } 477 478 /* 479 * given a target and lu, ask the device what 480 * it is, and find the correct driver table 481 * entry. 482 */ 483 void 484 scsi_probedev(scsi, target, lun) 485 struct scsibus_softc *scsi; 486 int target, lun; 487 { 488 struct scsi_link *sc_link; 489 static struct scsi_inquiry_data inqbuf; 490 struct scsi_quirk_inquiry_pattern *finger; 491 int checkdtype, priority; 492 struct scsibus_attach_args sa; 493 struct cfdata *cf; 494 495 /* Skip this slot if it is already attached. */ 496 if (scsi->sc_link[target][lun]) 497 return; 498 499 sc_link = malloc(sizeof(*sc_link), M_DEVBUF, M_NOWAIT); 500 *sc_link = *scsi->adapter_link; 501 sc_link->target = target; 502 sc_link->lun = lun; 503 sc_link->device = &probe_switch; 504 505 /* 506 * Ask the device what it is 507 */ 508 #ifdef SCSIDEBUG 509 if (target == DEBUGTARGET && lun == DEBUGLUN) 510 sc_link->flags |= DEBUGLEVEL; 511 #endif /* SCSIDEBUG */ 512 513 (void) scsi_test_unit_ready(sc_link, 514 SCSI_AUTOCONF | SCSI_IGNORE_ILLEGAL_REQUEST | SCSI_IGNORE_NOT_READY | SCSI_IGNORE_MEDIA_CHANGE); 515 516 #ifdef SCSI_2_DEF 517 /* some devices need to be told to go to SCSI2 */ 518 /* However some just explode if you tell them this.. leave it out */ 519 scsi_change_def(sc_link, SCSI_AUTOCONF | SCSI_SILENT); 520 #endif /* SCSI_2_DEF */ 521 522 /* Now go ask the device all about itself. */ 523 bzero(&inqbuf, sizeof(inqbuf)); 524 if (scsi_inquire(sc_link, &inqbuf, SCSI_AUTOCONF) != 0) 525 goto bad; 526 527 { 528 int len = inqbuf.additional_length; 529 while (len < 3) 530 inqbuf.unused[len++] = '\0'; 531 while (len < 3 + 28) 532 inqbuf.unused[len++] = ' '; 533 } 534 535 finger = (struct scsi_quirk_inquiry_pattern *)scsi_inqmatch(&inqbuf, 536 (caddr_t)scsi_quirk_patterns, 537 sizeof(scsi_quirk_patterns)/sizeof(scsi_quirk_patterns[0]), 538 sizeof(scsi_quirk_patterns[0]), &priority); 539 if (priority != 0) 540 sc_link->quirks |= finger->quirks; 541 if ((inqbuf.version & SID_ANSII) == 0 && 542 (sc_link->quirks & SDEV_FORCELUNS) == 0) 543 sc_link->quirks |= SDEV_NOLUNS; 544 545 if ((sc_link->quirks & SDEV_NOLUNS) == 0) 546 scsi->moreluns |= (1 << target); 547 548 /* 549 * note what BASIC type of device it is 550 */ 551 if ((inqbuf.dev_qual2 & SID_REMOVABLE) != 0) 552 sc_link->flags |= SDEV_REMOVABLE; 553 554 /* 555 * Any device qualifier that has the top bit set (qualifier&4 != 0) 556 * is vendor specific and won't match in this switch. 557 * All we do here is throw out bad/negative responses. 558 */ 559 checkdtype = 0; 560 switch (inqbuf.device & SID_QUAL) { 561 case SID_QUAL_LU_OK: 562 case SID_QUAL_LU_OFFLINE: 563 checkdtype = 1; 564 break; 565 566 case SID_QUAL_RSVD: 567 case SID_QUAL_BAD_LU: 568 goto bad; 569 570 default: 571 break; 572 } 573 if (checkdtype) { 574 switch (inqbuf.device & SID_TYPE) { 575 case T_DIRECT: 576 case T_SEQUENTIAL: 577 case T_PRINTER: 578 case T_PROCESSOR: 579 case T_CDROM: 580 case T_WORM: 581 case T_SCANNER: 582 case T_OPTICAL: 583 case T_CHANGER: 584 case T_COMM: 585 default: 586 break; 587 case T_NODEVICE: 588 goto bad; 589 } 590 } 591 592 sa.sa_sc_link = sc_link; 593 sa.sa_inqbuf = &inqbuf; 594 595 if ((cf = config_search(scsibussubmatch, (struct device *)scsi, &sa)) != 0) { 596 scsi->sc_link[target][lun] = sc_link; 597 config_attach((struct device *)scsi, cf, &sa, scsibusprint); 598 } else { 599 scsibusprint(&sa, scsi->sc_dev.dv_xname); 600 printf(" not configured\n"); 601 goto bad; 602 } 603 604 return; 605 606 bad: 607 free(sc_link, M_DEVBUF); 608 return; 609 } 610 611 /* 612 * Return a priority based on how much of the inquiry data matches 613 * the patterns for the particular driver. 614 */ 615 caddr_t 616 scsi_inqmatch(inqbuf, base, nmatches, matchsize, bestpriority) 617 struct scsi_inquiry_data *inqbuf; 618 caddr_t base; 619 int nmatches, matchsize; 620 int *bestpriority; 621 { 622 u_int8_t type; 623 boolean removable; 624 caddr_t bestmatch; 625 626 /* Include the qualifier to catch vendor-unique types. */ 627 type = inqbuf->device; 628 removable = inqbuf->dev_qual2 & SID_REMOVABLE ? T_REMOV : T_FIXED; 629 630 for (*bestpriority = 0, bestmatch = 0; nmatches--; base += matchsize) { 631 struct scsi_inquiry_pattern *match = (void *)base; 632 int priority, len; 633 634 if (type != match->type) 635 continue; 636 if (removable != match->removable) 637 continue; 638 priority = 2; 639 len = strlen(match->vendor); 640 if (bcmp(inqbuf->vendor, match->vendor, len)) 641 continue; 642 priority += len; 643 len = strlen(match->product); 644 if (bcmp(inqbuf->product, match->product, len)) 645 continue; 646 priority += len; 647 len = strlen(match->revision); 648 if (bcmp(inqbuf->revision, match->revision, len)) 649 continue; 650 priority += len; 651 652 #if SCSIDEBUG 653 printf("scsi_inqmatch: %d/%d/%d <%s, %s, %s>\n", 654 priority, match->type, match->removable, 655 match->vendor, match->product, match->revision); 656 #endif 657 if (priority > *bestpriority) { 658 *bestpriority = priority; 659 bestmatch = base; 660 } 661 } 662 663 return (bestmatch); 664 } 665
Indexes created Thu Sep 25 16:09:42 GMT 2025