scsiconf.c revision 1.57
1 /* $NetBSD: scsiconf.c,v 1.57 1996/05/02 01:09:01 neil 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 *, char *)); 99 100 int 101 scsibusmatch(parent, match, aux) 102 struct device *parent; 103 void *match, *aux; 104 { 105 106 return 1; 107 } 108 109 /* 110 * The routine called by the adapter boards to get all their 111 * devices configured in. 112 */ 113 void 114 scsibusattach(parent, self, aux) 115 struct device *parent, *self; 116 void *aux; 117 { 118 struct scsibus_softc *sb = (struct scsibus_softc *)self; 119 struct scsi_link *sc_link_proto = aux; 120 121 sc_link_proto->scsibus = sb->sc_dev.dv_unit; 122 sb->adapter_link = sc_link_proto; 123 printf("\n"); 124 125 #if defined(SCSI_DELAY) && SCSI_DELAY > 2 126 printf("%s: waiting for scsi devices to settle\n", 127 sb->sc_dev.dv_xname); 128 #else /* SCSI_DELAY > 2 */ 129 #undef SCSI_DELAY 130 #define SCSI_DELAY 2 131 #endif /* SCSI_DELAY */ 132 delay(1000000 * SCSI_DELAY); 133 134 scsi_probe_bus(sb->sc_dev.dv_unit, -1, -1); 135 } 136 137 int 138 scsibussubmatch(parent, match, aux) 139 struct device *parent; 140 void *match, *aux; 141 { 142 struct cfdata *cf = match; 143 struct scsibus_attach_args *sa = aux; 144 struct scsi_link *sc_link = sa->sa_sc_link; 145 146 if (cf->cf_loc[0] != -1 && cf->cf_loc[0] != sc_link->target) 147 return 0; 148 if (cf->cf_loc[1] != -1 && cf->cf_loc[1] != sc_link->lun) 149 return 0; 150 return ((*cf->cf_attach->ca_match)(parent, match, aux)); 151 } 152 153 /* 154 * Probe the requested scsi bus. It must be already set up. 155 * -1 requests all set up scsi busses. 156 * target and lun optionally narrow the search if not -1 157 */ 158 int 159 scsi_probe_busses(bus, target, lun) 160 int bus, target, lun; 161 { 162 163 if (bus == -1) { 164 for (bus = 0; bus < scsibus_cd.cd_ndevs; bus++) 165 if (scsibus_cd.cd_devs[bus]) 166 scsi_probe_bus(bus, target, lun); 167 return 0; 168 } else { 169 return scsi_probe_bus(bus, target, lun); 170 } 171 } 172 173 /* 174 * Probe the requested scsi bus. It must be already set up. 175 * target and lun optionally narrow the search if not -1 176 */ 177 int 178 scsi_probe_bus(bus, target, lun) 179 int bus, target, lun; 180 { 181 struct scsibus_softc *scsi; 182 int maxtarget, mintarget, maxlun, minlun; 183 u_int8_t scsi_addr; 184 185 if (bus < 0 || bus >= scsibus_cd.cd_ndevs) 186 return ENXIO; 187 scsi = scsibus_cd.cd_devs[bus]; 188 if (!scsi) 189 return ENXIO; 190 191 scsi_addr = scsi->adapter_link->adapter_target; 192 193 if (target == -1) { 194 maxtarget = 7; 195 mintarget = 0; 196 } else { 197 if (target < 0 || target > 7) 198 return EINVAL; 199 maxtarget = mintarget = target; 200 } 201 202 if (lun == -1) { 203 maxlun = 7; 204 minlun = 0; 205 } else { 206 if (lun < 0 || lun > 7) 207 return EINVAL; 208 maxlun = minlun = lun; 209 } 210 211 for (target = mintarget; target <= maxtarget; target++) { 212 if (target == scsi_addr) 213 continue; 214 for (lun = minlun; lun <= maxlun; lun++) { 215 /* 216 * See if there's a device present, and configure it. 217 */ 218 scsi_probedev(scsi, target, lun); 219 if ((scsi->moreluns & (1 << target)) == 0) 220 break; 221 /* otherwise something says we should look further */ 222 } 223 } 224 return 0; 225 } 226 227 void 228 scsi_strvis(dst, src, len) 229 u_char *dst, *src; 230 int len; 231 { 232 233 /* Trim leading and trailing blanks and NULs. */ 234 while (len > 0 && (src[0] == ' ' || src[0] == '\0')) 235 ++src, --len; 236 while (len > 0 && (src[len-1] == ' ' || src[len-1] == '\0')) 237 --len; 238 239 while (len > 0) { 240 if (*src < 0x20 || *src >= 0x80) { 241 /* non-printable characters */ 242 *dst++ = '\\'; 243 *dst++ = ((*src & 0300) >> 6) + '0'; 244 *dst++ = ((*src & 0070) >> 3) + '0'; 245 *dst++ = ((*src & 0007) >> 0) + '0'; 246 } else if (*src == '\\') { 247 /* quote characters */ 248 *dst++ = '\\'; 249 *dst++ = '\\'; 250 } else { 251 /* normal characters */ 252 *dst++ = *src; 253 } 254 ++src, --len; 255 } 256 257 *dst++ = 0; 258 } 259 260 struct scsi_quirk_inquiry_pattern { 261 struct scsi_inquiry_pattern pattern; 262 u_int8_t quirks; 263 }; 264 265 struct scsi_quirk_inquiry_pattern scsi_quirk_patterns[] = { 266 {{T_CDROM, T_REMOV, 267 "CHINON ", "CD-ROM CDS-431 ", ""}, SDEV_NOLUNS}, 268 {{T_CDROM, T_REMOV, 269 "Chinon ", "CD-ROM CDS-525 ", ""}, SDEV_NOLUNS}, 270 {{T_CDROM, T_REMOV, 271 "CHINON ", "CD-ROM CDS-535 ", ""}, SDEV_NOLUNS}, 272 {{T_CDROM, T_REMOV, 273 "DENON ", "DRD-25X ", "V"}, SDEV_NOLUNS}, 274 {{T_CDROM, T_REMOV, 275 "IMS ", "CDD521/10 ", "2.06"}, SDEV_NOLUNS}, 276 {{T_CDROM, T_REMOV, 277 "MEDIAVIS", "CDR-H93MV ", "1.31"}, SDEV_NOLUNS}, 278 {{T_CDROM, T_REMOV, 279 "NEC ", "CD-ROM DRIVE:55 ", ""}, SDEV_NOLUNS}, 280 {{T_CDROM, T_REMOV, 281 "NEC ", "CD-ROM DRIVE:83 ", ""}, SDEV_NOLUNS}, 282 {{T_CDROM, T_REMOV, 283 "NEC ", "CD-ROM DRIVE:84 ", ""}, SDEV_NOLUNS}, 284 {{T_CDROM, T_REMOV, 285 "NEC ", "CD-ROM DRIVE:841", ""}, SDEV_NOLUNS}, 286 {{T_CDROM, T_REMOV, 287 "SONY ", "CD-ROM CDU-541 ", ""}, SDEV_NOLUNS}, 288 {{T_CDROM, T_REMOV, 289 "SONY ", "CD-ROM CDU-55S ", ""}, SDEV_NOLUNS}, 290 {{T_CDROM, T_REMOV, 291 "SONY ", "CD-ROM CDU-8003A", ""}, SDEV_NOLUNS}, 292 {{T_CDROM, T_REMOV, 293 "SONY ", "CD-ROM CDU-8012 ", ""}, SDEV_NOLUNS}, 294 {{T_CDROM, T_REMOV, 295 "TEAC ", "CD-ROM ", "1.06"}, SDEV_NOLUNS}, 296 {{T_CDROM, T_REMOV, 297 "TEXEL ", "CD-ROM ", "1.06"}, SDEV_NOLUNS}, 298 {{T_CDROM, T_REMOV, 299 "TEXEL ", "CD-ROM DM-XX24 K", "1.10"}, SDEV_NOLUNS}, 300 {{T_CDROM, T_REMOV, 301 "ShinaKen", "CD-ROM DM-3x1S", "1.04"}, SDEV_NOLUNS}, 302 303 304 {{T_OPTICAL, T_REMOV, 305 "EPSON ", "OMD-5010 ", "3.08"}, SDEV_NOLUNS}, 306 307 {{T_DIRECT, T_FIXED, 308 "DEC ", "RZ55 (C) DEC", ""}, SDEV_AUTOSAVE}, 309 {{T_DIRECT, T_FIXED, 310 "EMULEX ", "MD21/S2 ESDI", "A00"}, SDEV_FORCELUNS}, 311 {{T_DIRECT, T_FIXED, 312 "MAXTOR ", "XT-3280 ", ""}, SDEV_NOLUNS}, 313 {{T_DIRECT, T_FIXED, 314 "MAXTOR ", "XT-4380S ", ""}, SDEV_NOLUNS}, 315 {{T_DIRECT, T_FIXED, 316 "MAXTOR ", "MXT-1240S ", ""}, SDEV_NOLUNS}, 317 {{T_DIRECT, T_FIXED, 318 "MAXTOR ", "XT-4170S ", ""}, SDEV_NOLUNS}, 319 {{T_DIRECT, T_FIXED, 320 "MAXTOR ", "XT-8760S ", ""}, SDEV_NOLUNS}, 321 {{T_DIRECT, T_FIXED, 322 "MAXTOR ", "LXT-213S ", ""}, SDEV_NOLUNS}, 323 {{T_DIRECT, T_FIXED, 324 "MAXTOR ", "LXT-213S SUN0207", ""}, SDEV_NOLUNS}, 325 {{T_DIRECT, T_FIXED, 326 "MAXTOR ", "LXT-200S ", ""}, SDEV_NOLUNS}, 327 {{T_DIRECT, T_FIXED, 328 "MST ", "SnapLink ", ""}, SDEV_NOLUNS}, 329 {{T_DIRECT, T_FIXED, 330 "NEC ", "D3847 ", "0307"}, SDEV_NOLUNS}, 331 {{T_DIRECT, T_FIXED, 332 "QUANTUM ", "LPS525S ", ""}, SDEV_NOLUNS}, 333 {{T_DIRECT, T_FIXED, 334 "QUANTUM ", "P105S 910-10-94x", ""}, SDEV_NOLUNS}, 335 {{T_DIRECT, T_FIXED, 336 "QUANTUM ", "PD1225S ", ""}, SDEV_NOLUNS}, 337 {{T_DIRECT, T_FIXED, 338 "QUANTUM ", "PD210S SUN0207", ""}, SDEV_NOLUNS}, 339 {{T_DIRECT, T_FIXED, 340 "RODIME ", "RO3000S ", ""}, SDEV_NOLUNS}, 341 {{T_DIRECT, T_FIXED, 342 "SEAGATE ", "ST157N ", ""}, SDEV_NOLUNS}, 343 {{T_DIRECT, T_FIXED, 344 "SEAGATE ", "ST296 ", ""}, SDEV_NOLUNS}, 345 {{T_DIRECT, T_FIXED, 346 "SEAGATE ", "ST296N ", ""}, SDEV_NOLUNS}, 347 {{T_DIRECT, T_FIXED, 348 "TOSHIBA ", "MK538FB ", "6027"}, SDEV_NOLUNS}, 349 350 351 /* XXX: QIC-36 tape behind Emulex adapter. Very broken. */ 352 {{T_SEQUENTIAL, T_REMOV, 353 " ", " ", " "}, SDEV_NOLUNS}, 354 {{T_SEQUENTIAL, T_REMOV, 355 "CALIPER ", "CP150 ", ""}, SDEV_NOLUNS}, 356 {{T_SEQUENTIAL, T_REMOV, 357 "EXABYTE ", "EXB-8200 ", ""}, SDEV_NOLUNS}, 358 {{T_SEQUENTIAL, T_REMOV, 359 "SONY ", "SDT-2000 ", "2.09"}, SDEV_NOLUNS}, 360 {{T_SEQUENTIAL, T_REMOV, 361 "SONY ", "SDT-5000 ", "3."}, SDEV_NOSYNCWIDE}, 362 {{T_SEQUENTIAL, T_REMOV, 363 "SONY ", "SDT-5200 ", "3."}, SDEV_NOLUNS}, 364 {{T_SEQUENTIAL, T_REMOV, 365 "TANDBERG", " TDC 3600 ", ""}, SDEV_NOLUNS}, 366 /* Following entry reported as a Tandberg 3600; ref. PR1933 */ 367 {{T_SEQUENTIAL, T_REMOV, 368 "ARCHIVE ", "VIPER 150 21247", ""}, SDEV_NOLUNS}, 369 {{T_SEQUENTIAL, T_REMOV, 370 "WANGTEK ", "5099ES SCSI", ""}, SDEV_NOLUNS}, 371 {{T_SEQUENTIAL, T_REMOV, 372 "WANGTEK ", "5150ES SCSI", ""}, SDEV_NOLUNS}, 373 {{T_SEQUENTIAL, T_REMOV, 374 "WangDAT ", "Model 1300 ", "02.4"}, SDEV_NOSYNCWIDE}, 375 {{T_SEQUENTIAL, T_REMOV, 376 "WangDAT ", "Model 2600 ", "01.7"}, SDEV_NOSYNCWIDE}, 377 {{T_SEQUENTIAL, T_REMOV, 378 "WangDAT ", "Model 3200 ", "02.2"}, SDEV_NOSYNCWIDE}, 379 }; 380 381 /* 382 * Print out autoconfiguration information for a subdevice. 383 * 384 * This is a slight abuse of 'standard' autoconfiguration semantics, 385 * because 'print' functions don't normally print the colon and 386 * device information. However, in this case that's better than 387 * either printing redundant information before the attach message, 388 * or having the device driver call a special function to print out 389 * the standard device information. 390 */ 391 int 392 scsibusprint(aux, pnp) 393 void *aux; 394 char *pnp; 395 { 396 struct scsibus_attach_args *sa = aux; 397 struct scsi_inquiry_data *inqbuf; 398 u_int8_t type; 399 boolean removable; 400 char *dtype, *qtype; 401 char vendor[33], product[65], revision[17]; 402 int target, lun; 403 404 if (pnp != NULL) 405 printf("%s", pnp); 406 407 inqbuf = sa->sa_inqbuf; 408 409 target = sa->sa_sc_link->target; 410 lun = sa->sa_sc_link->lun; 411 412 type = inqbuf->device & SID_TYPE; 413 removable = inqbuf->dev_qual2 & SID_REMOVABLE ? 1 : 0; 414 415 /* 416 * Figure out basic device type and qualifier. 417 */ 418 dtype = 0; 419 switch (inqbuf->device & SID_QUAL) { 420 case SID_QUAL_LU_OK: 421 qtype = ""; 422 break; 423 424 case SID_QUAL_LU_OFFLINE: 425 qtype = " offline"; 426 break; 427 428 case SID_QUAL_RSVD: 429 case SID_QUAL_BAD_LU: 430 panic("scsibusprint: impossible qualifier"); 431 432 default: 433 qtype = ""; 434 dtype = "vendor-unique"; 435 break; 436 } 437 if (dtype == 0) { 438 switch (type) { 439 case T_DIRECT: 440 dtype = "direct"; 441 break; 442 case T_SEQUENTIAL: 443 dtype = "sequential"; 444 break; 445 case T_PRINTER: 446 dtype = "printer"; 447 break; 448 case T_PROCESSOR: 449 dtype = "processor"; 450 break; 451 case T_CDROM: 452 dtype = "cdrom"; 453 break; 454 case T_WORM: 455 dtype = "worm"; 456 break; 457 case T_SCANNER: 458 dtype = "scanner"; 459 break; 460 case T_OPTICAL: 461 dtype = "optical"; 462 break; 463 case T_CHANGER: 464 dtype = "changer"; 465 break; 466 case T_COMM: 467 dtype = "communication"; 468 break; 469 case T_NODEVICE: 470 panic("scsibusprint: impossible device type"); 471 default: 472 dtype = "unknown"; 473 break; 474 } 475 } 476 477 scsi_strvis(vendor, inqbuf->vendor, 8); 478 scsi_strvis(product, inqbuf->product, 16); 479 scsi_strvis(revision, inqbuf->revision, 4); 480 481 printf(" targ %d lun %d: <%s, %s, %s> SCSI%d %d/%s %s%s", 482 target, lun, vendor, product, revision, 483 inqbuf->version & SID_ANSII, type, dtype, 484 removable ? "removable" : "fixed", qtype); 485 486 return (UNCONF); 487 } 488 489 /* 490 * given a target and lu, ask the device what 491 * it is, and find the correct driver table 492 * entry. 493 */ 494 void 495 scsi_probedev(scsi, target, lun) 496 struct scsibus_softc *scsi; 497 int target, lun; 498 { 499 struct scsi_link *sc_link; 500 static struct scsi_inquiry_data inqbuf; 501 struct scsi_quirk_inquiry_pattern *finger; 502 int checkdtype, priority; 503 struct scsibus_attach_args sa; 504 struct cfdata *cf; 505 506 /* Skip this slot if it is already attached. */ 507 if (scsi->sc_link[target][lun]) 508 return; 509 510 sc_link = malloc(sizeof(*sc_link), M_DEVBUF, M_NOWAIT); 511 *sc_link = *scsi->adapter_link; 512 sc_link->target = target; 513 sc_link->lun = lun; 514 sc_link->device = &probe_switch; 515 516 /* 517 * Ask the device what it is 518 */ 519 #ifdef SCSIDEBUG 520 if (target == DEBUGTARGET && lun == DEBUGLUN) 521 sc_link->flags |= DEBUGLEVEL; 522 #endif /* SCSIDEBUG */ 523 524 (void) scsi_test_unit_ready(sc_link, 525 SCSI_AUTOCONF | SCSI_IGNORE_ILLEGAL_REQUEST | SCSI_IGNORE_NOT_READY | SCSI_IGNORE_MEDIA_CHANGE); 526 527 #ifdef SCSI_2_DEF 528 /* some devices need to be told to go to SCSI2 */ 529 /* However some just explode if you tell them this.. leave it out */ 530 scsi_change_def(sc_link, SCSI_AUTOCONF | SCSI_SILENT); 531 #endif /* SCSI_2_DEF */ 532 533 /* Now go ask the device all about itself. */ 534 bzero(&inqbuf, sizeof(inqbuf)); 535 if (scsi_inquire(sc_link, &inqbuf, SCSI_AUTOCONF) != 0) 536 goto bad; 537 538 { 539 int len = inqbuf.additional_length; 540 while (len < 3) 541 inqbuf.unused[len++] = '\0'; 542 while (len < 3 + 28) 543 inqbuf.unused[len++] = ' '; 544 } 545 546 finger = (struct scsi_quirk_inquiry_pattern *)scsi_inqmatch(&inqbuf, 547 (caddr_t)scsi_quirk_patterns, 548 sizeof(scsi_quirk_patterns)/sizeof(scsi_quirk_patterns[0]), 549 sizeof(scsi_quirk_patterns[0]), &priority); 550 if (priority != 0) 551 sc_link->quirks |= finger->quirks; 552 if ((inqbuf.version & SID_ANSII) == 0 && 553 (sc_link->quirks & SDEV_FORCELUNS) == 0) 554 sc_link->quirks |= SDEV_NOLUNS; 555 556 if ((sc_link->quirks & SDEV_NOLUNS) == 0) 557 scsi->moreluns |= (1 << target); 558 559 /* 560 * note what BASIC type of device it is 561 */ 562 if ((inqbuf.dev_qual2 & SID_REMOVABLE) != 0) 563 sc_link->flags |= SDEV_REMOVABLE; 564 565 /* 566 * Any device qualifier that has the top bit set (qualifier&4 != 0) 567 * is vendor specific and won't match in this switch. 568 * All we do here is throw out bad/negative responses. 569 */ 570 checkdtype = 0; 571 switch (inqbuf.device & SID_QUAL) { 572 case SID_QUAL_LU_OK: 573 case SID_QUAL_LU_OFFLINE: 574 checkdtype = 1; 575 break; 576 577 case SID_QUAL_RSVD: 578 case SID_QUAL_BAD_LU: 579 goto bad; 580 581 default: 582 break; 583 } 584 if (checkdtype) { 585 switch (inqbuf.device & SID_TYPE) { 586 case T_DIRECT: 587 case T_SEQUENTIAL: 588 case T_PRINTER: 589 case T_PROCESSOR: 590 case T_CDROM: 591 case T_WORM: 592 case T_SCANNER: 593 case T_OPTICAL: 594 case T_CHANGER: 595 case T_COMM: 596 default: 597 break; 598 case T_NODEVICE: 599 goto bad; 600 } 601 } 602 603 sa.sa_sc_link = sc_link; 604 sa.sa_inqbuf = &inqbuf; 605 606 if ((cf = config_search(scsibussubmatch, (struct device *)scsi, &sa)) != 0) { 607 scsi->sc_link[target][lun] = sc_link; 608 config_attach((struct device *)scsi, cf, &sa, scsibusprint); 609 } else { 610 scsibusprint(&sa, scsi->sc_dev.dv_xname); 611 printf(" not configured\n"); 612 goto bad; 613 } 614 615 return; 616 617 bad: 618 free(sc_link, M_DEVBUF); 619 return; 620 } 621 622 /* 623 * Return a priority based on how much of the inquiry data matches 624 * the patterns for the particular driver. 625 */ 626 caddr_t 627 scsi_inqmatch(inqbuf, base, nmatches, matchsize, bestpriority) 628 struct scsi_inquiry_data *inqbuf; 629 caddr_t base; 630 int nmatches, matchsize; 631 int *bestpriority; 632 { 633 u_int8_t type; 634 boolean removable; 635 caddr_t bestmatch; 636 637 /* Include the qualifier to catch vendor-unique types. */ 638 type = inqbuf->device; 639 removable = inqbuf->dev_qual2 & SID_REMOVABLE ? T_REMOV : T_FIXED; 640 641 for (*bestpriority = 0, bestmatch = 0; nmatches--; base += matchsize) { 642 struct scsi_inquiry_pattern *match = (void *)base; 643 int priority, len; 644 645 if (type != match->type) 646 continue; 647 if (removable != match->removable) 648 continue; 649 priority = 2; 650 len = strlen(match->vendor); 651 if (bcmp(inqbuf->vendor, match->vendor, len)) 652 continue; 653 priority += len; 654 len = strlen(match->product); 655 if (bcmp(inqbuf->product, match->product, len)) 656 continue; 657 priority += len; 658 len = strlen(match->revision); 659 if (bcmp(inqbuf->revision, match->revision, len)) 660 continue; 661 priority += len; 662 663 #if SCSIDEBUG 664 printf("scsi_inqmatch: %d/%d/%d <%s, %s, %s>\n", 665 priority, match->type, match->removable, 666 match->vendor, match->product, match->revision); 667 #endif 668 if (priority > *bestpriority) { 669 *bestpriority = priority; 670 bestmatch = base; 671 } 672 } 673 674 return (bestmatch); 675 } 676
Indexes created Wed Sep 24 05:09:52 GMT 2025