scsiconf.c revision 1.74
1 /* $NetBSD: scsiconf.c,v 1.74 1997/03/11 06:06:35 mikel 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 #ifdef __BROKEN_INDIRECT_CONFIG 87 int scsibusmatch __P((struct device *, void *, void *)); 88 #else 89 int scsibusmatch __P((struct device *, struct cfdata *, void *)); 90 #endif 91 void scsibusattach __P((struct device *, struct device *, void *)); 92 #ifdef __BROKEN_INDIRECT_CONFIG 93 int scsibussubmatch __P((struct device *, void *, void *)); 94 #else 95 int scsibussubmatch __P((struct device *, struct cfdata *, void *)); 96 #endif 97 98 struct cfattach scsibus_ca = { 99 sizeof(struct scsibus_softc), scsibusmatch, scsibusattach 100 }; 101 102 struct cfdriver scsibus_cd = { 103 NULL, "scsibus", DV_DULL 104 }; 105 106 int scsibusprint __P((void *, const char *)); 107 108 int 109 scsiprint(aux, pnp) 110 void *aux; 111 const char *pnp; 112 { 113 struct scsi_link *l = aux; 114 115 /* only "scsibus"es can attach to "scsi"s; easy. */ 116 if (pnp) 117 printf("scsibus at %s", pnp); 118 119 /* don't print channel if the controller says there can be only one. */ 120 if (l->channel != SCSI_CHANNEL_ONLY_ONE) 121 printf(" channel %d", l->channel); 122 123 return (UNCONF); 124 } 125 126 int 127 #ifdef __BROKEN_INDIRECT_CONFIG 128 scsibusmatch(parent, match, aux) 129 #else 130 scsibusmatch(parent, cf, aux) 131 #endif 132 struct device *parent; 133 #ifdef __BROKEN_INDIRECT_CONFIG 134 void *match; 135 #else 136 struct cfdata *cf; 137 #endif 138 void *aux; 139 { 140 #ifdef __BROKEN_INDIRECT_CONFIG 141 struct cfdata *cf = match; 142 #endif 143 struct scsi_link *l = aux; 144 int channel; 145 146 /* 147 * Allow single-channel controllers to specify their channel 148 * in a special way, so that it's not printed. 149 */ 150 channel = (l->channel != SCSI_CHANNEL_ONLY_ONE) ? l->channel : 0; 151 152 if (cf->scsicf_channel != channel && 153 cf->scsicf_channel != SCSI_CHANNEL_UNKNOWN) 154 return (0); 155 156 return (1); 157 } 158 159 /* 160 * The routine called by the adapter boards to get all their 161 * devices configured in. 162 */ 163 void 164 scsibusattach(parent, self, aux) 165 struct device *parent, *self; 166 void *aux; 167 { 168 struct scsibus_softc *sb = (struct scsibus_softc *)self; 169 struct scsi_link *sc_link_proto = aux; 170 size_t nbytes; 171 int i; 172 173 sc_link_proto->scsibus = sb->sc_dev.dv_unit; 174 sb->adapter_link = sc_link_proto; 175 sb->sc_maxtarget = sc_link_proto->max_target; 176 printf(": %d targets\n", sb->sc_maxtarget + 1); 177 178 nbytes = sb->sc_maxtarget * sizeof(struct scsi_link **); 179 sb->sc_link = (struct scsi_link ***)malloc(nbytes, M_DEVBUF, 180 M_NOWAIT); 181 if (sb->sc_link == NULL) 182 panic("scsibusattach: can't allocate target links"); 183 184 nbytes = 8 * sizeof(struct scsi_link *); 185 for (i = 0; i <= sb->sc_maxtarget; i++) { 186 sb->sc_link[i] = (struct scsi_link **)malloc(nbytes, 187 M_DEVBUF, M_NOWAIT); 188 if (sb->sc_link[i] == NULL) 189 panic("scsibusattach: can't allocate lun links"); 190 bzero(sb->sc_link[i], nbytes); 191 } 192 193 #if defined(SCSI_DELAY) && SCSI_DELAY > 2 194 printf("%s: waiting for scsi devices to settle\n", 195 sb->sc_dev.dv_xname); 196 #else /* SCSI_DELAY > 2 */ 197 #undef SCSI_DELAY 198 #define SCSI_DELAY 2 199 #endif /* SCSI_DELAY */ 200 delay(1000000 * SCSI_DELAY); 201 202 scsi_probe_bus(sb->sc_dev.dv_unit, -1, -1); 203 } 204 205 int 206 #ifdef __BROKEN_INDIRECT_CONFIG 207 scsibussubmatch(parent, match, aux) 208 #else 209 scsibussubmatch(parent, cf, aux) 210 #endif 211 struct device *parent; 212 #ifdef __BROKEN_INDIRECT_CONFIG 213 void *match; 214 #else 215 struct cfdata *cf; 216 #endif 217 void *aux; 218 { 219 #ifdef __BROKEN_INDIRECT_CONFIG 220 struct cfdata *cf = match; 221 #endif 222 struct scsibus_attach_args *sa = aux; 223 struct scsi_link *sc_link = sa->sa_sc_link; 224 225 if (cf->cf_loc[0] != -1 && cf->cf_loc[0] != sc_link->target) 226 return 0; 227 if (cf->cf_loc[1] != -1 && cf->cf_loc[1] != sc_link->lun) 228 return 0; 229 return ((*cf->cf_attach->ca_match)(parent, cf, aux)); 230 } 231 232 /* 233 * Probe the requested scsi bus. It must be already set up. 234 * -1 requests all set up scsi busses. 235 * target and lun optionally narrow the search if not -1 236 */ 237 int 238 scsi_probe_busses(bus, target, lun) 239 int bus, target, lun; 240 { 241 242 if (bus == -1) { 243 for (bus = 0; bus < scsibus_cd.cd_ndevs; bus++) 244 if (scsibus_cd.cd_devs[bus]) 245 scsi_probe_bus(bus, target, lun); 246 return 0; 247 } else { 248 return scsi_probe_bus(bus, target, lun); 249 } 250 } 251 252 /* 253 * Probe the requested scsi bus. It must be already set up. 254 * target and lun optionally narrow the search if not -1 255 */ 256 int 257 scsi_probe_bus(bus, target, lun) 258 int bus, target, lun; 259 { 260 struct scsibus_softc *scsi; 261 int maxtarget, mintarget, maxlun, minlun; 262 u_int8_t scsi_addr; 263 264 if (bus < 0 || bus >= scsibus_cd.cd_ndevs) 265 return ENXIO; 266 scsi = scsibus_cd.cd_devs[bus]; 267 if (!scsi) 268 return ENXIO; 269 270 scsi_addr = scsi->adapter_link->adapter_target; 271 272 if (target == -1) { 273 maxtarget = scsi->sc_maxtarget; 274 mintarget = 0; 275 } else { 276 if (target < 0 || target > scsi->sc_maxtarget) 277 return EINVAL; 278 maxtarget = mintarget = target; 279 } 280 281 if (lun == -1) { 282 maxlun = 7; 283 minlun = 0; 284 } else { 285 if (lun < 0 || lun > 7) 286 return EINVAL; 287 maxlun = minlun = lun; 288 } 289 290 for (target = mintarget; target <= maxtarget; target++) { 291 if (target == scsi_addr) 292 continue; 293 for (lun = minlun; lun <= maxlun; lun++) { 294 /* 295 * See if there's a device present, and configure it. 296 */ 297 scsi_probedev(scsi, target, lun); 298 if ((scsi->moreluns & (1 << target)) == 0) 299 break; 300 /* otherwise something says we should look further */ 301 } 302 } 303 return 0; 304 } 305 306 void 307 scsi_strvis(dst, src, len) 308 u_char *dst, *src; 309 int len; 310 { 311 312 /* Trim leading and trailing blanks and NULs. */ 313 while (len > 0 && (src[0] == ' ' || src[0] == '\0')) 314 ++src, --len; 315 while (len > 0 && (src[len-1] == ' ' || src[len-1] == '\0')) 316 --len; 317 318 while (len > 0) { 319 if (*src < 0x20 || *src >= 0x80) { 320 /* non-printable characters */ 321 *dst++ = '\\'; 322 *dst++ = ((*src & 0300) >> 6) + '0'; 323 *dst++ = ((*src & 0070) >> 3) + '0'; 324 *dst++ = ((*src & 0007) >> 0) + '0'; 325 } else if (*src == '\\') { 326 /* quote characters */ 327 *dst++ = '\\'; 328 *dst++ = '\\'; 329 } else { 330 /* normal characters */ 331 *dst++ = *src; 332 } 333 ++src, --len; 334 } 335 336 *dst++ = 0; 337 } 338 339 struct scsi_quirk_inquiry_pattern { 340 struct scsi_inquiry_pattern pattern; 341 u_int8_t quirks; 342 }; 343 344 struct scsi_quirk_inquiry_pattern scsi_quirk_patterns[] = { 345 {{T_CDROM, T_REMOV, 346 "CHINON ", "CD-ROM CDS-431 ", ""}, SDEV_NOLUNS}, 347 {{T_CDROM, T_REMOV, 348 "Chinon ", "CD-ROM CDS-525 ", ""}, SDEV_NOLUNS}, 349 {{T_CDROM, T_REMOV, 350 "CHINON ", "CD-ROM CDS-535 ", ""}, SDEV_NOLUNS}, 351 {{T_CDROM, T_REMOV, 352 "DENON ", "DRD-25X ", "V"}, SDEV_NOLUNS}, 353 {{T_CDROM, T_REMOV, 354 "IMS ", "CDD521/10 ", "2.06"}, SDEV_NOLUNS}, 355 {{T_CDROM, T_REMOV, 356 "MATSHITA", "CD-ROM CR-5XX ", "1.0b"}, SDEV_NOLUNS}, 357 {{T_CDROM, T_REMOV, 358 "MEDIAVIS", "CDR-H93MV ", "1.31"}, SDEV_NOLUNS}, 359 {{T_CDROM, T_REMOV, 360 "NEC ", "CD-ROM DRIVE:55 ", ""}, SDEV_NOLUNS}, 361 {{T_CDROM, T_REMOV, 362 "NEC ", "CD-ROM DRIVE:83 ", ""}, SDEV_NOLUNS}, 363 {{T_CDROM, T_REMOV, 364 "NEC ", "CD-ROM DRIVE:84 ", ""}, SDEV_NOLUNS}, 365 {{T_CDROM, T_REMOV, 366 "NEC ", "CD-ROM DRIVE:841", ""}, SDEV_NOLUNS}, 367 {{T_CDROM, T_REMOV, 368 "PIONEER ", "CD-ROM DR-124X ", "1.01"}, SDEV_NOLUNS}, 369 {{T_CDROM, T_REMOV, 370 "SONY ", "CD-ROM CDU-541 ", ""}, SDEV_NOLUNS}, 371 {{T_CDROM, T_REMOV, 372 "SONY ", "CD-ROM CDU-55S ", ""}, SDEV_NOLUNS}, 373 {{T_CDROM, T_REMOV, 374 "SONY ", "CD-ROM CDU-8003A", ""}, SDEV_NOLUNS}, 375 {{T_CDROM, T_REMOV, 376 "SONY ", "CD-ROM CDU-8012 ", ""}, SDEV_NOLUNS}, 377 {{T_CDROM, T_REMOV, 378 "TEAC ", "CD-ROM ", "1.06"}, SDEV_NOLUNS}, 379 {{T_CDROM, T_REMOV, 380 "TEAC ", "CD-ROM CD-56S ", "1.0B"}, SDEV_NOLUNS}, 381 {{T_CDROM, T_REMOV, 382 "TEXEL ", "CD-ROM ", "1.06"}, SDEV_NOLUNS}, 383 {{T_CDROM, T_REMOV, 384 "TEXEL ", "CD-ROM DM-XX24 K", "1.10"}, SDEV_NOLUNS}, 385 {{T_CDROM, T_REMOV, 386 "ShinaKen", "CD-ROM DM-3x1S", "1.04"}, SDEV_NOLUNS}, 387 388 {{T_OPTICAL, T_REMOV, 389 "EPSON ", "OMD-5010 ", "3.08"}, SDEV_NOLUNS}, 390 391 {{T_DIRECT, T_FIXED, 392 "DEC ", "RZ55 (C) DEC", ""}, SDEV_AUTOSAVE}, 393 {{T_DIRECT, T_FIXED, 394 "EMULEX ", "MD21/S2 ESDI", "A00"}, SDEV_FORCELUNS}, 395 {{T_DIRECT, T_FIXED, 396 "MAXTOR ", "XT-3280 ", ""}, SDEV_NOLUNS}, 397 {{T_DIRECT, T_FIXED, 398 "MAXTOR ", "XT-4380S ", ""}, SDEV_NOLUNS}, 399 {{T_DIRECT, T_FIXED, 400 "MAXTOR ", "MXT-1240S ", ""}, SDEV_NOLUNS}, 401 {{T_DIRECT, T_FIXED, 402 "MAXTOR ", "XT-4170S ", ""}, SDEV_NOLUNS}, 403 {{T_DIRECT, T_FIXED, 404 "MAXTOR ", "XT-8760S", ""}, SDEV_NOLUNS}, 405 {{T_DIRECT, T_FIXED, 406 "MAXTOR ", "LXT-213S ", ""}, SDEV_NOLUNS}, 407 {{T_DIRECT, T_FIXED, 408 "MAXTOR ", "LXT-213S SUN0207", ""}, SDEV_NOLUNS}, 409 {{T_DIRECT, T_FIXED, 410 "MAXTOR ", "LXT-200S ", ""}, SDEV_NOLUNS}, 411 {{T_DIRECT, T_FIXED, 412 "MST ", "SnapLink ", ""}, SDEV_NOLUNS}, 413 {{T_DIRECT, T_FIXED, 414 "NEC ", "D3847 ", "0307"}, SDEV_NOLUNS}, 415 {{T_DIRECT, T_FIXED, 416 "QUANTUM ", "LPS525S ", ""}, SDEV_NOLUNS}, 417 {{T_DIRECT, T_FIXED, 418 "QUANTUM ", "P105S 910-10-94x", ""}, SDEV_NOLUNS}, 419 {{T_DIRECT, T_FIXED, 420 "QUANTUM ", "PD1225S ", ""}, SDEV_NOLUNS}, 421 {{T_DIRECT, T_FIXED, 422 "QUANTUM ", "PD210S SUN0207", ""}, SDEV_NOLUNS}, 423 {{T_DIRECT, T_FIXED, 424 "RODIME ", "RO3000S ", ""}, SDEV_NOLUNS}, 425 {{T_DIRECT, T_FIXED, 426 "SEAGATE ", "ST157N ", ""}, SDEV_NOLUNS}, 427 {{T_DIRECT, T_FIXED, 428 "SEAGATE ", "ST296 ", ""}, SDEV_NOLUNS}, 429 {{T_DIRECT, T_FIXED, 430 "SEAGATE ", "ST296N ", ""}, SDEV_NOLUNS}, 431 {{T_DIRECT, T_FIXED, 432 "TOSHIBA ", "MK538FB ", "6027"}, SDEV_NOLUNS}, 433 {{T_DIRECT, T_REMOV, 434 "iomega", "jaz 1GB", ""}, SDEV_NOMODESENSE}, 435 {{T_DIRECT, T_REMOV, 436 "IOMEGA", "ZIP 100", ""}, SDEV_NOMODESENSE}, 437 /* Letting the motor run kills floppy drives and disks quit fast. */ 438 {{T_DIRECT, T_REMOV, 439 "TEAC", "FC-1", ""}, SDEV_NOSTARTUNIT}, 440 441 /* XXX: QIC-36 tape behind Emulex adapter. Very broken. */ 442 {{T_SEQUENTIAL, T_REMOV, 443 " ", " ", " "}, SDEV_NOLUNS}, 444 {{T_SEQUENTIAL, T_REMOV, 445 "CALIPER ", "CP150 ", ""}, SDEV_NOLUNS}, 446 {{T_SEQUENTIAL, T_REMOV, 447 "EXABYTE ", "EXB-8200 ", ""}, SDEV_NOLUNS}, 448 {{T_SEQUENTIAL, T_REMOV, 449 "SONY ", "SDT-2000 ", "2.09"}, SDEV_NOLUNS}, 450 {{T_SEQUENTIAL, T_REMOV, 451 "SONY ", "SDT-5000 ", "3."}, SDEV_NOSYNCWIDE}, 452 {{T_SEQUENTIAL, T_REMOV, 453 "SONY ", "SDT-5200 ", "3."}, SDEV_NOLUNS}, 454 {{T_SEQUENTIAL, T_REMOV, 455 "TANDBERG", " TDC 3600 ", ""}, SDEV_NOLUNS}, 456 /* Following entry reported as a Tandberg 3600; ref. PR1933 */ 457 {{T_SEQUENTIAL, T_REMOV, 458 "ARCHIVE ", "VIPER 150 21247", ""}, SDEV_NOLUNS}, 459 {{T_SEQUENTIAL, T_REMOV, 460 "WANGTEK ", "5099ES SCSI", ""}, SDEV_NOLUNS}, 461 {{T_SEQUENTIAL, T_REMOV, 462 "WANGTEK ", "5150ES SCSI", ""}, SDEV_NOLUNS}, 463 {{T_SEQUENTIAL, T_REMOV, 464 "WangDAT ", "Model 1300 ", "02.4"}, SDEV_NOSYNCWIDE}, 465 {{T_SEQUENTIAL, T_REMOV, 466 "WangDAT ", "Model 2600 ", "01.7"}, SDEV_NOSYNCWIDE}, 467 {{T_SEQUENTIAL, T_REMOV, 468 "WangDAT ", "Model 3200 ", "02.2"}, SDEV_NOSYNCWIDE}, 469 }; 470 471 /* 472 * Print out autoconfiguration information for a subdevice. 473 * 474 * This is a slight abuse of 'standard' autoconfiguration semantics, 475 * because 'print' functions don't normally print the colon and 476 * device information. However, in this case that's better than 477 * either printing redundant information before the attach message, 478 * or having the device driver call a special function to print out 479 * the standard device information. 480 */ 481 int 482 scsibusprint(aux, pnp) 483 void *aux; 484 const char *pnp; 485 { 486 struct scsibus_attach_args *sa = aux; 487 struct scsi_inquiry_data *inqbuf; 488 u_int8_t type; 489 boolean removable; 490 char *dtype, *qtype; 491 char vendor[33], product[65], revision[17]; 492 int target, lun; 493 494 if (pnp != NULL) 495 printf("%s", pnp); 496 497 inqbuf = sa->sa_inqbuf; 498 499 target = sa->sa_sc_link->target; 500 lun = sa->sa_sc_link->lun; 501 502 type = inqbuf->device & SID_TYPE; 503 removable = inqbuf->dev_qual2 & SID_REMOVABLE ? 1 : 0; 504 505 /* 506 * Figure out basic device type and qualifier. 507 */ 508 dtype = 0; 509 switch (inqbuf->device & SID_QUAL) { 510 case SID_QUAL_LU_OK: 511 qtype = ""; 512 break; 513 514 case SID_QUAL_LU_OFFLINE: 515 qtype = " offline"; 516 break; 517 518 case SID_QUAL_RSVD: 519 case SID_QUAL_BAD_LU: 520 panic("scsibusprint: impossible qualifier"); 521 522 default: 523 qtype = ""; 524 dtype = "vendor-unique"; 525 break; 526 } 527 if (dtype == 0) { 528 switch (type) { 529 case T_DIRECT: 530 dtype = "direct"; 531 break; 532 case T_SEQUENTIAL: 533 dtype = "sequential"; 534 break; 535 case T_PRINTER: 536 dtype = "printer"; 537 break; 538 case T_PROCESSOR: 539 dtype = "processor"; 540 break; 541 case T_CDROM: 542 dtype = "cdrom"; 543 break; 544 case T_WORM: 545 dtype = "worm"; 546 break; 547 case T_SCANNER: 548 dtype = "scanner"; 549 break; 550 case T_OPTICAL: 551 dtype = "optical"; 552 break; 553 case T_CHANGER: 554 dtype = "changer"; 555 break; 556 case T_COMM: 557 dtype = "communication"; 558 break; 559 case T_NODEVICE: 560 panic("scsibusprint: impossible device type"); 561 default: 562 dtype = "unknown"; 563 break; 564 } 565 } 566 567 scsi_strvis(vendor, inqbuf->vendor, 8); 568 scsi_strvis(product, inqbuf->product, 16); 569 scsi_strvis(revision, inqbuf->revision, 4); 570 571 printf(" targ %d lun %d: <%s, %s, %s> SCSI%d %d/%s %s%s", 572 target, lun, vendor, product, revision, 573 inqbuf->version & SID_ANSII, type, dtype, 574 removable ? "removable" : "fixed", qtype); 575 576 return (UNCONF); 577 } 578 579 /* 580 * given a target and lu, ask the device what 581 * it is, and find the correct driver table 582 * entry. 583 */ 584 void 585 scsi_probedev(scsi, target, lun) 586 struct scsibus_softc *scsi; 587 int target, lun; 588 { 589 struct scsi_link *sc_link; 590 static struct scsi_inquiry_data inqbuf; 591 struct scsi_quirk_inquiry_pattern *finger; 592 int checkdtype, priority; 593 struct scsibus_attach_args sa; 594 struct cfdata *cf; 595 596 /* Skip this slot if it is already attached. */ 597 if (scsi->sc_link[target][lun]) 598 return; 599 600 sc_link = malloc(sizeof(*sc_link), M_DEVBUF, M_NOWAIT); 601 *sc_link = *scsi->adapter_link; 602 sc_link->target = target; 603 sc_link->lun = lun; 604 sc_link->device = &probe_switch; 605 606 /* 607 * Ask the device what it is 608 */ 609 #ifdef SCSIDEBUG 610 if (target == DEBUGTARGET && lun == DEBUGLUN) 611 sc_link->flags |= DEBUGLEVEL; 612 #endif /* SCSIDEBUG */ 613 614 (void) scsi_test_unit_ready(sc_link, 615 SCSI_AUTOCONF | SCSI_IGNORE_ILLEGAL_REQUEST | SCSI_IGNORE_NOT_READY | SCSI_IGNORE_MEDIA_CHANGE); 616 617 #ifdef SCSI_2_DEF 618 /* some devices need to be told to go to SCSI2 */ 619 /* However some just explode if you tell them this.. leave it out */ 620 scsi_change_def(sc_link, SCSI_AUTOCONF | SCSI_SILENT); 621 #endif /* SCSI_2_DEF */ 622 623 /* Now go ask the device all about itself. */ 624 bzero(&inqbuf, sizeof(inqbuf)); 625 if (scsi_inquire(sc_link, &inqbuf, SCSI_AUTOCONF) != 0) 626 goto bad; 627 628 { 629 int len = inqbuf.additional_length; 630 while (len < 3) 631 inqbuf.unused[len++] = '\0'; 632 while (len < 3 + 28) 633 inqbuf.unused[len++] = ' '; 634 } 635 636 finger = (struct scsi_quirk_inquiry_pattern *)scsi_inqmatch(&inqbuf, 637 (caddr_t)scsi_quirk_patterns, 638 sizeof(scsi_quirk_patterns)/sizeof(scsi_quirk_patterns[0]), 639 sizeof(scsi_quirk_patterns[0]), &priority); 640 if (priority != 0) 641 sc_link->quirks |= finger->quirks; 642 if ((inqbuf.version & SID_ANSII) == 0 && 643 (sc_link->quirks & SDEV_FORCELUNS) == 0) 644 sc_link->quirks |= SDEV_NOLUNS; 645 sc_link->scsi_version = inqbuf.version; 646 647 if ((sc_link->quirks & SDEV_NOLUNS) == 0) 648 scsi->moreluns |= (1 << target); 649 650 /* 651 * note what BASIC type of device it is 652 */ 653 if ((inqbuf.dev_qual2 & SID_REMOVABLE) != 0) 654 sc_link->flags |= SDEV_REMOVABLE; 655 656 /* 657 * Any device qualifier that has the top bit set (qualifier&4 != 0) 658 * is vendor specific and won't match in this switch. 659 * All we do here is throw out bad/negative responses. 660 */ 661 checkdtype = 0; 662 switch (inqbuf.device & SID_QUAL) { 663 case SID_QUAL_LU_OK: 664 case SID_QUAL_LU_OFFLINE: 665 checkdtype = 1; 666 break; 667 668 case SID_QUAL_RSVD: 669 case SID_QUAL_BAD_LU: 670 goto bad; 671 672 default: 673 break; 674 } 675 if (checkdtype) { 676 switch (inqbuf.device & SID_TYPE) { 677 case T_DIRECT: 678 case T_SEQUENTIAL: 679 case T_PRINTER: 680 case T_PROCESSOR: 681 case T_CDROM: 682 case T_WORM: 683 case T_SCANNER: 684 case T_OPTICAL: 685 case T_CHANGER: 686 case T_COMM: 687 default: 688 break; 689 case T_NODEVICE: 690 goto bad; 691 } 692 } 693 694 sa.sa_sc_link = sc_link; 695 sa.sa_inqbuf = &inqbuf; 696 697 if ((cf = config_search(scsibussubmatch, (struct device *)scsi, &sa)) != 0) { 698 scsi->sc_link[target][lun] = sc_link; 699 config_attach((struct device *)scsi, cf, &sa, scsibusprint); 700 } else { 701 scsibusprint(&sa, scsi->sc_dev.dv_xname); 702 printf(" not configured\n"); 703 goto bad; 704 } 705 706 return; 707 708 bad: 709 free(sc_link, M_DEVBUF); 710 return; 711 } 712 713 /* 714 * Return a priority based on how much of the inquiry data matches 715 * the patterns for the particular driver. 716 */ 717 caddr_t 718 scsi_inqmatch(inqbuf, base, nmatches, matchsize, bestpriority) 719 struct scsi_inquiry_data *inqbuf; 720 caddr_t base; 721 int nmatches, matchsize; 722 int *bestpriority; 723 { 724 u_int8_t type; 725 boolean removable; 726 caddr_t bestmatch; 727 728 /* Include the qualifier to catch vendor-unique types. */ 729 type = inqbuf->device; 730 removable = inqbuf->dev_qual2 & SID_REMOVABLE ? T_REMOV : T_FIXED; 731 732 for (*bestpriority = 0, bestmatch = 0; nmatches--; base += matchsize) { 733 struct scsi_inquiry_pattern *match = (void *)base; 734 int priority, len; 735 736 if (type != match->type) 737 continue; 738 if (removable != match->removable) 739 continue; 740 priority = 2; 741 len = strlen(match->vendor); 742 if (bcmp(inqbuf->vendor, match->vendor, len)) 743 continue; 744 priority += len; 745 len = strlen(match->product); 746 if (bcmp(inqbuf->product, match->product, len)) 747 continue; 748 priority += len; 749 len = strlen(match->revision); 750 if (bcmp(inqbuf->revision, match->revision, len)) 751 continue; 752 priority += len; 753 754 #if SCSIDEBUG 755 printf("scsi_inqmatch: %d/%d/%d <%s, %s, %s>\n", 756 priority, match->type, match->removable, 757 match->vendor, match->product, match->revision); 758 #endif 759 if (priority > *bestpriority) { 760 *bestpriority = priority; 761 bestmatch = base; 762 } 763 } 764 765 return (bestmatch); 766 } 767
Indexes created Mon Sep 29 21:09:56 GMT 2025