scsiconf.c revision 1.75
1 /* $NetBSD: scsiconf.c,v 1.75 1997/03/25 22:33:50 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 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 ", "ST125N ", ""}, SDEV_NOLUNS}, 427 {{T_DIRECT, T_FIXED, 428 "SEAGATE ", "ST157N ", ""}, SDEV_NOLUNS}, 429 {{T_DIRECT, T_FIXED, 430 "SEAGATE ", "ST296 ", ""}, SDEV_NOLUNS}, 431 {{T_DIRECT, T_FIXED, 432 "SEAGATE ", "ST296N ", ""}, SDEV_NOLUNS}, 433 {{T_DIRECT, T_FIXED, 434 "TOSHIBA ", "MK538FB ", "6027"}, SDEV_NOLUNS}, 435 {{T_DIRECT, T_REMOV, 436 "iomega", "jaz 1GB", ""}, SDEV_NOMODESENSE}, 437 {{T_DIRECT, T_REMOV, 438 "IOMEGA", "ZIP 100", ""}, SDEV_NOMODESENSE}, 439 /* Letting the motor run kills floppy drives and disks quit fast. */ 440 {{T_DIRECT, T_REMOV, 441 "TEAC", "FC-1", ""}, SDEV_NOSTARTUNIT}, 442 443 /* XXX: QIC-36 tape behind Emulex adapter. Very broken. */ 444 {{T_SEQUENTIAL, T_REMOV, 445 " ", " ", " "}, SDEV_NOLUNS}, 446 {{T_SEQUENTIAL, T_REMOV, 447 "CALIPER ", "CP150 ", ""}, SDEV_NOLUNS}, 448 {{T_SEQUENTIAL, T_REMOV, 449 "EXABYTE ", "EXB-8200 ", ""}, SDEV_NOLUNS}, 450 {{T_SEQUENTIAL, T_REMOV, 451 "SONY ", "SDT-2000 ", "2.09"}, SDEV_NOLUNS}, 452 {{T_SEQUENTIAL, T_REMOV, 453 "SONY ", "SDT-5000 ", "3."}, SDEV_NOSYNCWIDE}, 454 {{T_SEQUENTIAL, T_REMOV, 455 "SONY ", "SDT-5200 ", "3."}, SDEV_NOLUNS}, 456 {{T_SEQUENTIAL, T_REMOV, 457 "TANDBERG", " TDC 3600 ", ""}, SDEV_NOLUNS}, 458 /* Following entry reported as a Tandberg 3600; ref. PR1933 */ 459 {{T_SEQUENTIAL, T_REMOV, 460 "ARCHIVE ", "VIPER 150 21247", ""}, SDEV_NOLUNS}, 461 {{T_SEQUENTIAL, T_REMOV, 462 "WANGTEK ", "5099ES SCSI", ""}, SDEV_NOLUNS}, 463 {{T_SEQUENTIAL, T_REMOV, 464 "WANGTEK ", "5150ES SCSI", ""}, SDEV_NOLUNS}, 465 {{T_SEQUENTIAL, T_REMOV, 466 "WangDAT ", "Model 1300 ", "02.4"}, SDEV_NOSYNCWIDE}, 467 {{T_SEQUENTIAL, T_REMOV, 468 "WangDAT ", "Model 2600 ", "01.7"}, SDEV_NOSYNCWIDE}, 469 {{T_SEQUENTIAL, T_REMOV, 470 "WangDAT ", "Model 3200 ", "02.2"}, SDEV_NOSYNCWIDE}, 471 }; 472 473 /* 474 * Print out autoconfiguration information for a subdevice. 475 * 476 * This is a slight abuse of 'standard' autoconfiguration semantics, 477 * because 'print' functions don't normally print the colon and 478 * device information. However, in this case that's better than 479 * either printing redundant information before the attach message, 480 * or having the device driver call a special function to print out 481 * the standard device information. 482 */ 483 int 484 scsibusprint(aux, pnp) 485 void *aux; 486 const char *pnp; 487 { 488 struct scsibus_attach_args *sa = aux; 489 struct scsi_inquiry_data *inqbuf; 490 u_int8_t type; 491 boolean removable; 492 char *dtype, *qtype; 493 char vendor[33], product[65], revision[17]; 494 int target, lun; 495 496 if (pnp != NULL) 497 printf("%s", pnp); 498 499 inqbuf = sa->sa_inqbuf; 500 501 target = sa->sa_sc_link->target; 502 lun = sa->sa_sc_link->lun; 503 504 type = inqbuf->device & SID_TYPE; 505 removable = inqbuf->dev_qual2 & SID_REMOVABLE ? 1 : 0; 506 507 /* 508 * Figure out basic device type and qualifier. 509 */ 510 dtype = 0; 511 switch (inqbuf->device & SID_QUAL) { 512 case SID_QUAL_LU_OK: 513 qtype = ""; 514 break; 515 516 case SID_QUAL_LU_OFFLINE: 517 qtype = " offline"; 518 break; 519 520 case SID_QUAL_RSVD: 521 case SID_QUAL_BAD_LU: 522 panic("scsibusprint: impossible qualifier"); 523 524 default: 525 qtype = ""; 526 dtype = "vendor-unique"; 527 break; 528 } 529 if (dtype == 0) { 530 switch (type) { 531 case T_DIRECT: 532 dtype = "direct"; 533 break; 534 case T_SEQUENTIAL: 535 dtype = "sequential"; 536 break; 537 case T_PRINTER: 538 dtype = "printer"; 539 break; 540 case T_PROCESSOR: 541 dtype = "processor"; 542 break; 543 case T_CDROM: 544 dtype = "cdrom"; 545 break; 546 case T_WORM: 547 dtype = "worm"; 548 break; 549 case T_SCANNER: 550 dtype = "scanner"; 551 break; 552 case T_OPTICAL: 553 dtype = "optical"; 554 break; 555 case T_CHANGER: 556 dtype = "changer"; 557 break; 558 case T_COMM: 559 dtype = "communication"; 560 break; 561 case T_NODEVICE: 562 panic("scsibusprint: impossible device type"); 563 default: 564 dtype = "unknown"; 565 break; 566 } 567 } 568 569 scsi_strvis(vendor, inqbuf->vendor, 8); 570 scsi_strvis(product, inqbuf->product, 16); 571 scsi_strvis(revision, inqbuf->revision, 4); 572 573 printf(" targ %d lun %d: <%s, %s, %s> SCSI%d %d/%s %s%s", 574 target, lun, vendor, product, revision, 575 inqbuf->version & SID_ANSII, type, dtype, 576 removable ? "removable" : "fixed", qtype); 577 578 return (UNCONF); 579 } 580 581 /* 582 * given a target and lu, ask the device what 583 * it is, and find the correct driver table 584 * entry. 585 */ 586 void 587 scsi_probedev(scsi, target, lun) 588 struct scsibus_softc *scsi; 589 int target, lun; 590 { 591 struct scsi_link *sc_link; 592 static struct scsi_inquiry_data inqbuf; 593 struct scsi_quirk_inquiry_pattern *finger; 594 int checkdtype, priority; 595 struct scsibus_attach_args sa; 596 struct cfdata *cf; 597 598 /* Skip this slot if it is already attached. */ 599 if (scsi->sc_link[target][lun]) 600 return; 601 602 sc_link = malloc(sizeof(*sc_link), M_DEVBUF, M_NOWAIT); 603 *sc_link = *scsi->adapter_link; 604 sc_link->target = target; 605 sc_link->lun = lun; 606 sc_link->device = &probe_switch; 607 608 /* 609 * Ask the device what it is 610 */ 611 #ifdef SCSIDEBUG 612 if (target == DEBUGTARGET && lun == DEBUGLUN) 613 sc_link->flags |= DEBUGLEVEL; 614 #endif /* SCSIDEBUG */ 615 616 (void) scsi_test_unit_ready(sc_link, 617 SCSI_AUTOCONF | SCSI_IGNORE_ILLEGAL_REQUEST | SCSI_IGNORE_NOT_READY | SCSI_IGNORE_MEDIA_CHANGE); 618 619 #ifdef SCSI_2_DEF 620 /* some devices need to be told to go to SCSI2 */ 621 /* However some just explode if you tell them this.. leave it out */ 622 scsi_change_def(sc_link, SCSI_AUTOCONF | SCSI_SILENT); 623 #endif /* SCSI_2_DEF */ 624 625 /* Now go ask the device all about itself. */ 626 bzero(&inqbuf, sizeof(inqbuf)); 627 if (scsi_inquire(sc_link, &inqbuf, SCSI_AUTOCONF) != 0) 628 goto bad; 629 630 { 631 int len = inqbuf.additional_length; 632 while (len < 3) 633 inqbuf.unused[len++] = '\0'; 634 while (len < 3 + 28) 635 inqbuf.unused[len++] = ' '; 636 } 637 638 finger = (struct scsi_quirk_inquiry_pattern *)scsi_inqmatch(&inqbuf, 639 (caddr_t)scsi_quirk_patterns, 640 sizeof(scsi_quirk_patterns)/sizeof(scsi_quirk_patterns[0]), 641 sizeof(scsi_quirk_patterns[0]), &priority); 642 if (priority != 0) 643 sc_link->quirks |= finger->quirks; 644 if ((inqbuf.version & SID_ANSII) == 0 && 645 (sc_link->quirks & SDEV_FORCELUNS) == 0) 646 sc_link->quirks |= SDEV_NOLUNS; 647 sc_link->scsi_version = inqbuf.version; 648 649 if ((sc_link->quirks & SDEV_NOLUNS) == 0) 650 scsi->moreluns |= (1 << target); 651 652 /* 653 * note what BASIC type of device it is 654 */ 655 if ((inqbuf.dev_qual2 & SID_REMOVABLE) != 0) 656 sc_link->flags |= SDEV_REMOVABLE; 657 658 /* 659 * Any device qualifier that has the top bit set (qualifier&4 != 0) 660 * is vendor specific and won't match in this switch. 661 * All we do here is throw out bad/negative responses. 662 */ 663 checkdtype = 0; 664 switch (inqbuf.device & SID_QUAL) { 665 case SID_QUAL_LU_OK: 666 case SID_QUAL_LU_OFFLINE: 667 checkdtype = 1; 668 break; 669 670 case SID_QUAL_RSVD: 671 case SID_QUAL_BAD_LU: 672 goto bad; 673 674 default: 675 break; 676 } 677 if (checkdtype) { 678 switch (inqbuf.device & SID_TYPE) { 679 case T_DIRECT: 680 case T_SEQUENTIAL: 681 case T_PRINTER: 682 case T_PROCESSOR: 683 case T_CDROM: 684 case T_WORM: 685 case T_SCANNER: 686 case T_OPTICAL: 687 case T_CHANGER: 688 case T_COMM: 689 default: 690 break; 691 case T_NODEVICE: 692 goto bad; 693 } 694 } 695 696 sa.sa_sc_link = sc_link; 697 sa.sa_inqbuf = &inqbuf; 698 699 if ((cf = config_search(scsibussubmatch, (struct device *)scsi, &sa)) != 0) { 700 scsi->sc_link[target][lun] = sc_link; 701 config_attach((struct device *)scsi, cf, &sa, scsibusprint); 702 } else { 703 scsibusprint(&sa, scsi->sc_dev.dv_xname); 704 printf(" not configured\n"); 705 goto bad; 706 } 707 708 return; 709 710 bad: 711 free(sc_link, M_DEVBUF); 712 return; 713 } 714 715 /* 716 * Return a priority based on how much of the inquiry data matches 717 * the patterns for the particular driver. 718 */ 719 caddr_t 720 scsi_inqmatch(inqbuf, base, nmatches, matchsize, bestpriority) 721 struct scsi_inquiry_data *inqbuf; 722 caddr_t base; 723 int nmatches, matchsize; 724 int *bestpriority; 725 { 726 u_int8_t type; 727 boolean removable; 728 caddr_t bestmatch; 729 730 /* Include the qualifier to catch vendor-unique types. */ 731 type = inqbuf->device; 732 removable = inqbuf->dev_qual2 & SID_REMOVABLE ? T_REMOV : T_FIXED; 733 734 for (*bestpriority = 0, bestmatch = 0; nmatches--; base += matchsize) { 735 struct scsi_inquiry_pattern *match = (void *)base; 736 int priority, len; 737 738 if (type != match->type) 739 continue; 740 if (removable != match->removable) 741 continue; 742 priority = 2; 743 len = strlen(match->vendor); 744 if (bcmp(inqbuf->vendor, match->vendor, len)) 745 continue; 746 priority += len; 747 len = strlen(match->product); 748 if (bcmp(inqbuf->product, match->product, len)) 749 continue; 750 priority += len; 751 len = strlen(match->revision); 752 if (bcmp(inqbuf->revision, match->revision, len)) 753 continue; 754 priority += len; 755 756 #if SCSIDEBUG 757 printf("scsi_inqmatch: %d/%d/%d <%s, %s, %s>\n", 758 priority, match->type, match->removable, 759 match->vendor, match->product, match->revision); 760 #endif 761 if (priority > *bestpriority) { 762 *bestpriority = priority; 763 bestmatch = base; 764 } 765 } 766 767 return (bestmatch); 768 } 769
Indexes created Fri Sep 26 20:09:58 GMT 2025