scsiconf.c revision 1.55
1 /* $NetBSD: scsiconf.c,v 1.55 1996/03/21 03:29:40 scottr 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 cfattach scsibus_ca = { 92 sizeof(struct scsibus_softc), scsibusmatch, scsibusattach 93 }; 94 95 struct cfdriver scsibus_cd = { 96 NULL, "scsibus", DV_DULL 97 }; 98 99 int scsibusprint __P((void *, char *)); 100 101 int 102 scsibusmatch(parent, match, aux) 103 struct device *parent; 104 void *match, *aux; 105 { 106 107 return 1; 108 } 109 110 /* 111 * The routine called by the adapter boards to get all their 112 * devices configured in. 113 */ 114 void 115 scsibusattach(parent, self, aux) 116 struct device *parent, *self; 117 void *aux; 118 { 119 struct scsibus_softc *sb = (struct scsibus_softc *)self; 120 struct scsi_link *sc_link_proto = aux; 121 122 sc_link_proto->scsibus = sb->sc_dev.dv_unit; 123 sb->adapter_link = sc_link_proto; 124 printf("\n"); 125 126 #if defined(SCSI_DELAY) && SCSI_DELAY > 2 127 printf("%s: waiting for scsi devices to settle\n", 128 sb->sc_dev.dv_xname); 129 #else /* SCSI_DELAY > 2 */ 130 #undef SCSI_DELAY 131 #define SCSI_DELAY 2 132 #endif /* SCSI_DELAY */ 133 delay(1000000 * SCSI_DELAY); 134 135 scsi_probe_bus(sb->sc_dev.dv_unit, -1, -1); 136 } 137 138 int 139 scsibussubmatch(parent, match, aux) 140 struct device *parent; 141 void *match, *aux; 142 { 143 struct cfdata *cf = match; 144 struct scsibus_attach_args *sa = aux; 145 struct scsi_link *sc_link = sa->sa_sc_link; 146 147 if (cf->cf_loc[0] != -1 && cf->cf_loc[0] != sc_link->target) 148 return 0; 149 if (cf->cf_loc[1] != -1 && cf->cf_loc[1] != sc_link->lun) 150 return 0; 151 return ((*cf->cf_attach->ca_match)(parent, match, aux)); 152 } 153 154 /* 155 * Probe the requested scsi bus. It must be already set up. 156 * -1 requests all set up scsi busses. 157 * target and lun optionally narrow the search if not -1 158 */ 159 int 160 scsi_probe_busses(bus, target, lun) 161 int bus, target, lun; 162 { 163 164 if (bus == -1) { 165 for (bus = 0; bus < scsibus_cd.cd_ndevs; bus++) 166 if (scsibus_cd.cd_devs[bus]) 167 scsi_probe_bus(bus, target, lun); 168 return 0; 169 } else { 170 return scsi_probe_bus(bus, target, lun); 171 } 172 } 173 174 /* 175 * Probe the requested scsi bus. It must be already set up. 176 * target and lun optionally narrow the search if not -1 177 */ 178 int 179 scsi_probe_bus(bus, target, lun) 180 int bus, target, lun; 181 { 182 struct scsibus_softc *scsi; 183 int maxtarget, mintarget, maxlun, minlun; 184 u_int8_t scsi_addr; 185 186 if (bus < 0 || bus >= scsibus_cd.cd_ndevs) 187 return ENXIO; 188 scsi = scsibus_cd.cd_devs[bus]; 189 if (!scsi) 190 return ENXIO; 191 192 scsi_addr = scsi->adapter_link->adapter_target; 193 194 if (target == -1) { 195 maxtarget = 7; 196 mintarget = 0; 197 } else { 198 if (target < 0 || target > 7) 199 return EINVAL; 200 maxtarget = mintarget = target; 201 } 202 203 if (lun == -1) { 204 maxlun = 7; 205 minlun = 0; 206 } else { 207 if (lun < 0 || lun > 7) 208 return EINVAL; 209 maxlun = minlun = lun; 210 } 211 212 for (target = mintarget; target <= maxtarget; target++) { 213 if (target == scsi_addr) 214 continue; 215 for (lun = minlun; lun <= maxlun; lun++) { 216 /* 217 * See if there's a device present, and configure it. 218 */ 219 scsi_probedev(scsi, target, lun); 220 if ((scsi->moreluns & (1 << target)) == 0) 221 break; 222 /* otherwise something says we should look further */ 223 } 224 } 225 return 0; 226 } 227 228 void 229 scsi_strvis(dst, src, len) 230 u_char *dst, *src; 231 int len; 232 { 233 234 /* Trim leading and trailing blanks and NULs. */ 235 while (len > 0 && (src[0] == ' ' || src[0] == '\0')) 236 ++src, --len; 237 while (len > 0 && (src[len-1] == ' ' || src[len-1] == '\0')) 238 --len; 239 240 while (len > 0) { 241 if (*src < 0x20 || *src >= 0x80) { 242 /* non-printable characters */ 243 *dst++ = '\\'; 244 *dst++ = ((*src & 0300) >> 6) + '0'; 245 *dst++ = ((*src & 0070) >> 3) + '0'; 246 *dst++ = ((*src & 0007) >> 0) + '0'; 247 } else if (*src == '\\') { 248 /* quote characters */ 249 *dst++ = '\\'; 250 *dst++ = '\\'; 251 } else { 252 /* normal characters */ 253 *dst++ = *src; 254 } 255 ++src, --len; 256 } 257 258 *dst++ = 0; 259 } 260 261 struct scsi_quirk_inquiry_pattern { 262 struct scsi_inquiry_pattern pattern; 263 u_int8_t quirks; 264 }; 265 266 struct scsi_quirk_inquiry_pattern scsi_quirk_patterns[] = { 267 {{T_CDROM, T_REMOV, 268 "CHINON ", "CD-ROM CDS-431 ", ""}, SDEV_NOLUNS}, 269 {{T_CDROM, T_REMOV, 270 "Chinon ", "CD-ROM CDS-525 ", ""}, SDEV_NOLUNS}, 271 {{T_CDROM, T_REMOV, 272 "CHINON ", "CD-ROM CDS-535 ", ""}, SDEV_NOLUNS}, 273 {{T_CDROM, T_REMOV, 274 "DENON ", "DRD-25X ", "V"}, SDEV_NOLUNS}, 275 {{T_CDROM, T_REMOV, 276 "IMS ", "CDD521/10 ", "2.06"}, SDEV_NOLUNS}, 277 {{T_CDROM, T_REMOV, 278 "MEDIAVIS", "CDR-H93MV ", "1.31"}, SDEV_NOLUNS}, 279 {{T_CDROM, T_REMOV, 280 "NEC ", "CD-ROM DRIVE:55 ", ""}, SDEV_NOLUNS}, 281 {{T_CDROM, T_REMOV, 282 "NEC ", "CD-ROM DRIVE:83 ", ""}, SDEV_NOLUNS}, 283 {{T_CDROM, T_REMOV, 284 "NEC ", "CD-ROM DRIVE:84 ", ""}, SDEV_NOLUNS}, 285 {{T_CDROM, T_REMOV, 286 "NEC ", "CD-ROM DRIVE:841", ""}, SDEV_NOLUNS}, 287 {{T_CDROM, T_REMOV, 288 "SONY ", "CD-ROM CDU-541 ", ""}, SDEV_NOLUNS}, 289 {{T_CDROM, T_REMOV, 290 "SONY ", "CD-ROM CDU-55S ", ""}, SDEV_NOLUNS}, 291 {{T_CDROM, T_REMOV, 292 "SONY ", "CD-ROM CDU-8003A", ""}, SDEV_NOLUNS}, 293 {{T_CDROM, T_REMOV, 294 "SONY ", "CD-ROM CDU-8012 ", ""}, SDEV_NOLUNS}, 295 {{T_CDROM, T_REMOV, 296 "TEAC ", "CD-ROM ", "1.06"}, SDEV_NOLUNS}, 297 {{T_CDROM, T_REMOV, 298 "TEXEL ", "CD-ROM ", "1.06"}, SDEV_NOLUNS}, 299 {{T_CDROM, T_REMOV, 300 "TEXEL ", "CD-ROM DM-XX24 K", "1.10"}, SDEV_NOLUNS}, 301 302 {{T_OPTICAL, T_REMOV, 303 "EPSON ", "OMD-5010 ", "3.08"}, SDEV_NOLUNS}, 304 305 {{T_DIRECT, T_FIXED, 306 "DEC ", "RZ55 (C) DEC", ""}, SDEV_AUTOSAVE}, 307 {{T_DIRECT, T_FIXED, 308 "EMULEX ", "MD21/S2 ESDI", "A00"}, SDEV_FORCELUNS}, 309 {{T_DIRECT, T_FIXED, 310 "MAXTOR ", "XT-3280 ", ""}, SDEV_NOLUNS}, 311 {{T_DIRECT, T_FIXED, 312 "MAXTOR ", "XT-4380S ", ""}, SDEV_NOLUNS}, 313 {{T_DIRECT, T_FIXED, 314 "MAXTOR ", "MXT-1240S ", ""}, SDEV_NOLUNS}, 315 {{T_DIRECT, T_FIXED, 316 "MAXTOR ", "XT-4170S ", ""}, SDEV_NOLUNS}, 317 {{T_DIRECT, T_FIXED, 318 "MAXTOR ", "XT-8760S ", ""}, SDEV_NOLUNS}, 319 {{T_DIRECT, T_FIXED, 320 "MAXTOR ", "LXT-213S ", ""}, SDEV_NOLUNS}, 321 {{T_DIRECT, T_FIXED, 322 "MAXTOR ", "LXT-213S SUN0207", ""}, SDEV_NOLUNS}, 323 {{T_DIRECT, T_FIXED, 324 "MAXTOR ", "LXT-200S ", ""}, SDEV_NOLUNS}, 325 {{T_DIRECT, T_FIXED, 326 "MST ", "SnapLink ", ""}, SDEV_NOLUNS}, 327 {{T_DIRECT, T_FIXED, 328 "NEC ", "D3847 ", "0307"}, SDEV_NOLUNS}, 329 {{T_DIRECT, T_FIXED, 330 "QUANTUM ", "LPS525S ", ""}, SDEV_NOLUNS}, 331 {{T_DIRECT, T_FIXED, 332 "QUANTUM ", "P105S 910-10-94x", ""}, SDEV_NOLUNS}, 333 {{T_DIRECT, T_FIXED, 334 "QUANTUM ", "PD1225S ", ""}, SDEV_NOLUNS}, 335 {{T_DIRECT, T_FIXED, 336 "QUANTUM ", "PD210S SUN0207", ""}, SDEV_NOLUNS}, 337 {{T_DIRECT, T_FIXED, 338 "RODIME ", "RO3000S ", ""}, SDEV_NOLUNS}, 339 {{T_DIRECT, T_FIXED, 340 "SEAGATE ", "ST157N ", ""}, SDEV_NOLUNS}, 341 {{T_DIRECT, T_FIXED, 342 "SEAGATE ", "ST296 ", ""}, SDEV_NOLUNS}, 343 {{T_DIRECT, T_FIXED, 344 "SEAGATE ", "ST296N ", ""}, SDEV_NOLUNS}, 345 {{T_DIRECT, T_FIXED, 346 "TOSHIBA ", "MK538FB ", "6027"}, SDEV_NOLUNS}, 347 348 349 /* XXX: QIC-36 tape behind Emulex adapter. Very broken. */ 350 {{T_SEQUENTIAL, T_REMOV, 351 " ", " ", " "}, SDEV_NOLUNS}, 352 {{T_SEQUENTIAL, T_REMOV, 353 "CALIPER ", "CP150 ", ""}, SDEV_NOLUNS}, 354 {{T_SEQUENTIAL, T_REMOV, 355 "EXABYTE ", "EXB-8200 ", ""}, SDEV_NOLUNS}, 356 {{T_SEQUENTIAL, T_REMOV, 357 "SONY ", "SDT-2000 ", "2.09"}, SDEV_NOLUNS}, 358 {{T_SEQUENTIAL, T_REMOV, 359 "SONY ", "SDT-5000 ", "3."}, SDEV_NOSYNCWIDE}, 360 {{T_SEQUENTIAL, T_REMOV, 361 "SONY ", "SDT-5200 ", "3."}, SDEV_NOLUNS}, 362 {{T_SEQUENTIAL, T_REMOV, 363 "TANDBERG", " TDC 3600 ", ""}, SDEV_NOLUNS}, 364 /* Following entry reported as a Tandberg 3600; ref. PR1933 */ 365 {{T_SEQUENTIAL, T_REMOV, 366 "ARCHIVE ", "VIPER 150 21247", ""}, SDEV_NOLUNS}, 367 {{T_SEQUENTIAL, T_REMOV, 368 "WANGTEK ", "5099ES SCSI", ""}, SDEV_NOLUNS}, 369 {{T_SEQUENTIAL, T_REMOV, 370 "WANGTEK ", "5150ES SCSI", ""}, SDEV_NOLUNS}, 371 {{T_SEQUENTIAL, T_REMOV, 372 "WangDAT ", "Model 1300 ", "02.4"}, SDEV_NOSYNCWIDE}, 373 {{T_SEQUENTIAL, T_REMOV, 374 "WangDAT ", "Model 2600 ", "01.7"}, SDEV_NOSYNCWIDE}, 375 {{T_SEQUENTIAL, T_REMOV, 376 "WangDAT ", "Model 3200 ", "02.2"}, SDEV_NOSYNCWIDE}, 377 }; 378 379 /* 380 * Print out autoconfiguration information for a subdevice. 381 * 382 * This is a slight abuse of 'standard' autoconfiguration semantics, 383 * because 'print' functions don't normally print the colon and 384 * device information. However, in this case that's better than 385 * either printing redundant information before the attach message, 386 * or having the device driver call a special function to print out 387 * the standard device information. 388 */ 389 int 390 scsibusprint(aux, pnp) 391 void *aux; 392 char *pnp; 393 { 394 struct scsibus_attach_args *sa = aux; 395 struct scsi_inquiry_data *inqbuf; 396 u_int8_t type; 397 boolean removable; 398 char *dtype, *qtype; 399 char vendor[33], product[65], revision[17]; 400 int target, lun; 401 402 if (pnp != NULL) 403 printf("%s", pnp); 404 405 inqbuf = sa->sa_inqbuf; 406 407 target = sa->sa_sc_link->target; 408 lun = sa->sa_sc_link->lun; 409 410 type = inqbuf->device & SID_TYPE; 411 removable = inqbuf->dev_qual2 & SID_REMOVABLE ? 1 : 0; 412 413 /* 414 * Figure out basic device type and qualifier. 415 */ 416 dtype = 0; 417 switch (inqbuf->device & SID_QUAL) { 418 case SID_QUAL_LU_OK: 419 qtype = ""; 420 break; 421 422 case SID_QUAL_LU_OFFLINE: 423 qtype = " offline"; 424 break; 425 426 case SID_QUAL_RSVD: 427 case SID_QUAL_BAD_LU: 428 panic("scsibusprint: impossible qualifier"); 429 430 default: 431 qtype = ""; 432 dtype = "vendor-unique"; 433 break; 434 } 435 if (dtype == 0) { 436 switch (type) { 437 case T_DIRECT: 438 dtype = "direct"; 439 break; 440 case T_SEQUENTIAL: 441 dtype = "sequential"; 442 break; 443 case T_PRINTER: 444 dtype = "printer"; 445 break; 446 case T_PROCESSOR: 447 dtype = "processor"; 448 break; 449 case T_CDROM: 450 dtype = "cdrom"; 451 break; 452 case T_WORM: 453 dtype = "worm"; 454 break; 455 case T_SCANNER: 456 dtype = "scanner"; 457 break; 458 case T_OPTICAL: 459 dtype = "optical"; 460 break; 461 case T_CHANGER: 462 dtype = "changer"; 463 break; 464 case T_COMM: 465 dtype = "communication"; 466 break; 467 case T_NODEVICE: 468 panic("scsibusprint: impossible device type"); 469 default: 470 dtype = "unknown"; 471 break; 472 } 473 } 474 475 scsi_strvis(vendor, inqbuf->vendor, 8); 476 scsi_strvis(product, inqbuf->product, 16); 477 scsi_strvis(revision, inqbuf->revision, 4); 478 479 printf(" targ %d lun %d: <%s, %s, %s> SCSI%d %d/%s %s%s", 480 target, lun, vendor, product, revision, 481 inqbuf->version & SID_ANSII, type, dtype, 482 removable ? "removable" : "fixed", qtype); 483 484 return (UNCONF); 485 } 486 487 /* 488 * given a target and lu, ask the device what 489 * it is, and find the correct driver table 490 * entry. 491 */ 492 void 493 scsi_probedev(scsi, target, lun) 494 struct scsibus_softc *scsi; 495 int target, lun; 496 { 497 struct scsi_link *sc_link; 498 static struct scsi_inquiry_data inqbuf; 499 struct scsi_quirk_inquiry_pattern *finger; 500 int checkdtype, priority; 501 struct scsibus_attach_args sa; 502 struct cfdata *cf; 503 504 /* Skip this slot if it is already attached. */ 505 if (scsi->sc_link[target][lun]) 506 return; 507 508 sc_link = malloc(sizeof(*sc_link), M_DEVBUF, M_NOWAIT); 509 *sc_link = *scsi->adapter_link; 510 sc_link->target = target; 511 sc_link->lun = lun; 512 sc_link->device = &probe_switch; 513 514 /* 515 * Ask the device what it is 516 */ 517 #ifdef SCSIDEBUG 518 if (target == DEBUGTARGET && lun == DEBUGLUN) 519 sc_link->flags |= DEBUGLEVEL; 520 #endif /* SCSIDEBUG */ 521 522 (void) scsi_test_unit_ready(sc_link, 523 SCSI_AUTOCONF | SCSI_IGNORE_ILLEGAL_REQUEST | SCSI_IGNORE_NOT_READY | SCSI_IGNORE_MEDIA_CHANGE); 524 525 #ifdef SCSI_2_DEF 526 /* some devices need to be told to go to SCSI2 */ 527 /* However some just explode if you tell them this.. leave it out */ 528 scsi_change_def(sc_link, SCSI_AUTOCONF | SCSI_SILENT); 529 #endif /* SCSI_2_DEF */ 530 531 /* Now go ask the device all about itself. */ 532 bzero(&inqbuf, sizeof(inqbuf)); 533 if (scsi_inquire(sc_link, &inqbuf, SCSI_AUTOCONF) != 0) 534 goto bad; 535 536 { 537 int len = inqbuf.additional_length; 538 while (len < 3) 539 inqbuf.unused[len++] = '\0'; 540 while (len < 3 + 28) 541 inqbuf.unused[len++] = ' '; 542 } 543 544 finger = (struct scsi_quirk_inquiry_pattern *)scsi_inqmatch(&inqbuf, 545 (caddr_t)scsi_quirk_patterns, 546 sizeof(scsi_quirk_patterns)/sizeof(scsi_quirk_patterns[0]), 547 sizeof(scsi_quirk_patterns[0]), &priority); 548 if (priority != 0) 549 sc_link->quirks |= finger->quirks; 550 if ((inqbuf.version & SID_ANSII) == 0 && 551 (sc_link->quirks & SDEV_FORCELUNS) == 0) 552 sc_link->quirks |= SDEV_NOLUNS; 553 554 if ((sc_link->quirks & SDEV_NOLUNS) == 0) 555 scsi->moreluns |= (1 << target); 556 557 /* 558 * note what BASIC type of device it is 559 */ 560 if ((inqbuf.dev_qual2 & SID_REMOVABLE) != 0) 561 sc_link->flags |= SDEV_REMOVABLE; 562 563 /* 564 * Any device qualifier that has the top bit set (qualifier&4 != 0) 565 * is vendor specific and won't match in this switch. 566 * All we do here is throw out bad/negative responses. 567 */ 568 checkdtype = 0; 569 switch (inqbuf.device & SID_QUAL) { 570 case SID_QUAL_LU_OK: 571 case SID_QUAL_LU_OFFLINE: 572 checkdtype = 1; 573 break; 574 575 case SID_QUAL_RSVD: 576 case SID_QUAL_BAD_LU: 577 goto bad; 578 579 default: 580 break; 581 } 582 if (checkdtype) { 583 switch (inqbuf.device & SID_TYPE) { 584 case T_DIRECT: 585 case T_SEQUENTIAL: 586 case T_PRINTER: 587 case T_PROCESSOR: 588 case T_CDROM: 589 case T_WORM: 590 case T_SCANNER: 591 case T_OPTICAL: 592 case T_CHANGER: 593 case T_COMM: 594 default: 595 break; 596 case T_NODEVICE: 597 goto bad; 598 } 599 } 600 601 sa.sa_sc_link = sc_link; 602 sa.sa_inqbuf = &inqbuf; 603 604 if ((cf = config_search(scsibussubmatch, (struct device *)scsi, &sa)) != 0) { 605 scsi->sc_link[target][lun] = sc_link; 606 config_attach((struct device *)scsi, cf, &sa, scsibusprint); 607 } else { 608 scsibusprint(&sa, scsi->sc_dev.dv_xname); 609 printf(" not configured\n"); 610 goto bad; 611 } 612 613 return; 614 615 bad: 616 free(sc_link, M_DEVBUF); 617 return; 618 } 619 620 /* 621 * Return a priority based on how much of the inquiry data matches 622 * the patterns for the particular driver. 623 */ 624 caddr_t 625 scsi_inqmatch(inqbuf, base, nmatches, matchsize, bestpriority) 626 struct scsi_inquiry_data *inqbuf; 627 caddr_t base; 628 int nmatches, matchsize; 629 int *bestpriority; 630 { 631 u_int8_t type; 632 boolean removable; 633 caddr_t bestmatch; 634 635 /* Include the qualifier to catch vendor-unique types. */ 636 type = inqbuf->device; 637 removable = inqbuf->dev_qual2 & SID_REMOVABLE ? T_REMOV : T_FIXED; 638 639 for (*bestpriority = 0, bestmatch = 0; nmatches--; base += matchsize) { 640 struct scsi_inquiry_pattern *match = (void *)base; 641 int priority, len; 642 643 if (type != match->type) 644 continue; 645 if (removable != match->removable) 646 continue; 647 priority = 2; 648 len = strlen(match->vendor); 649 if (bcmp(inqbuf->vendor, match->vendor, len)) 650 continue; 651 priority += len; 652 len = strlen(match->product); 653 if (bcmp(inqbuf->product, match->product, len)) 654 continue; 655 priority += len; 656 len = strlen(match->revision); 657 if (bcmp(inqbuf->revision, match->revision, len)) 658 continue; 659 priority += len; 660 661 #if SCSIDEBUG 662 printf("scsi_inqmatch: %d/%d/%d <%s, %s, %s>\n", 663 priority, match->type, match->removable, 664 match->vendor, match->product, match->revision); 665 #endif 666 if (priority > *bestpriority) { 667 *bestpriority = priority; 668 bestmatch = base; 669 } 670 } 671 672 return (bestmatch); 673 } 674
Indexes created Wed Sep 24 22:09:59 GMT 2025