scsiconf.c revision 1.72
1 /* $NetBSD: scsiconf.c,v 1.72 1996/12/10 21:06:29 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 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 } 191 192 #if defined(SCSI_DELAY) && SCSI_DELAY > 2 193 printf("%s: waiting for scsi devices to settle\n", 194 sb->sc_dev.dv_xname); 195 #else /* SCSI_DELAY > 2 */ 196 #undef SCSI_DELAY 197 #define SCSI_DELAY 2 198 #endif /* SCSI_DELAY */ 199 delay(1000000 * SCSI_DELAY); 200 201 scsi_probe_bus(sb->sc_dev.dv_unit, -1, -1); 202 } 203 204 int 205 #ifdef __BROKEN_INDIRECT_CONFIG 206 scsibussubmatch(parent, match, aux) 207 #else 208 scsibussubmatch(parent, cf, aux) 209 #endif 210 struct device *parent; 211 #ifdef __BROKEN_INDIRECT_CONFIG 212 void *match; 213 #else 214 struct cfdata *cf; 215 #endif 216 void *aux; 217 { 218 #ifdef __BROKEN_INDIRECT_CONFIG 219 struct cfdata *cf = match; 220 #endif 221 struct scsibus_attach_args *sa = aux; 222 struct scsi_link *sc_link = sa->sa_sc_link; 223 224 if (cf->cf_loc[0] != -1 && cf->cf_loc[0] != sc_link->target) 225 return 0; 226 if (cf->cf_loc[1] != -1 && cf->cf_loc[1] != sc_link->lun) 227 return 0; 228 return ((*cf->cf_attach->ca_match)(parent, cf, aux)); 229 } 230 231 /* 232 * Probe the requested scsi bus. It must be already set up. 233 * -1 requests all set up scsi busses. 234 * target and lun optionally narrow the search if not -1 235 */ 236 int 237 scsi_probe_busses(bus, target, lun) 238 int bus, target, lun; 239 { 240 241 if (bus == -1) { 242 for (bus = 0; bus < scsibus_cd.cd_ndevs; bus++) 243 if (scsibus_cd.cd_devs[bus]) 244 scsi_probe_bus(bus, target, lun); 245 return 0; 246 } else { 247 return scsi_probe_bus(bus, target, lun); 248 } 249 } 250 251 /* 252 * Probe the requested scsi bus. It must be already set up. 253 * target and lun optionally narrow the search if not -1 254 */ 255 int 256 scsi_probe_bus(bus, target, lun) 257 int bus, target, lun; 258 { 259 struct scsibus_softc *scsi; 260 int maxtarget, mintarget, maxlun, minlun; 261 u_int8_t scsi_addr; 262 263 if (bus < 0 || bus >= scsibus_cd.cd_ndevs) 264 return ENXIO; 265 scsi = scsibus_cd.cd_devs[bus]; 266 if (!scsi) 267 return ENXIO; 268 269 scsi_addr = scsi->adapter_link->adapter_target; 270 271 if (target == -1) { 272 maxtarget = scsi->sc_maxtarget; 273 mintarget = 0; 274 } else { 275 if (target < 0 || target > scsi->sc_maxtarget) 276 return EINVAL; 277 maxtarget = mintarget = target; 278 } 279 280 if (lun == -1) { 281 maxlun = 7; 282 minlun = 0; 283 } else { 284 if (lun < 0 || lun > 7) 285 return EINVAL; 286 maxlun = minlun = lun; 287 } 288 289 for (target = mintarget; target <= maxtarget; target++) { 290 if (target == scsi_addr) 291 continue; 292 for (lun = minlun; lun <= maxlun; lun++) { 293 /* 294 * See if there's a device present, and configure it. 295 */ 296 scsi_probedev(scsi, target, lun); 297 if ((scsi->moreluns & (1 << target)) == 0) 298 break; 299 /* otherwise something says we should look further */ 300 } 301 } 302 return 0; 303 } 304 305 void 306 scsi_strvis(dst, src, len) 307 u_char *dst, *src; 308 int len; 309 { 310 311 /* Trim leading and trailing blanks and NULs. */ 312 while (len > 0 && (src[0] == ' ' || src[0] == '\0')) 313 ++src, --len; 314 while (len > 0 && (src[len-1] == ' ' || src[len-1] == '\0')) 315 --len; 316 317 while (len > 0) { 318 if (*src < 0x20 || *src >= 0x80) { 319 /* non-printable characters */ 320 *dst++ = '\\'; 321 *dst++ = ((*src & 0300) >> 6) + '0'; 322 *dst++ = ((*src & 0070) >> 3) + '0'; 323 *dst++ = ((*src & 0007) >> 0) + '0'; 324 } else if (*src == '\\') { 325 /* quote characters */ 326 *dst++ = '\\'; 327 *dst++ = '\\'; 328 } else { 329 /* normal characters */ 330 *dst++ = *src; 331 } 332 ++src, --len; 333 } 334 335 *dst++ = 0; 336 } 337 338 struct scsi_quirk_inquiry_pattern { 339 struct scsi_inquiry_pattern pattern; 340 u_int8_t quirks; 341 }; 342 343 struct scsi_quirk_inquiry_pattern scsi_quirk_patterns[] = { 344 {{T_CDROM, T_REMOV, 345 "CHINON ", "CD-ROM CDS-431 ", ""}, SDEV_NOLUNS}, 346 {{T_CDROM, T_REMOV, 347 "Chinon ", "CD-ROM CDS-525 ", ""}, SDEV_NOLUNS}, 348 {{T_CDROM, T_REMOV, 349 "CHINON ", "CD-ROM CDS-535 ", ""}, SDEV_NOLUNS}, 350 {{T_CDROM, T_REMOV, 351 "DENON ", "DRD-25X ", "V"}, SDEV_NOLUNS}, 352 {{T_CDROM, T_REMOV, 353 "IMS ", "CDD521/10 ", "2.06"}, SDEV_NOLUNS}, 354 {{T_CDROM, T_REMOV, 355 "MATSHITA", "CD-ROM CR-5XX ", "1.0b"}, SDEV_NOLUNS}, 356 {{T_CDROM, T_REMOV, 357 "MEDIAVIS", "CDR-H93MV ", "1.31"}, SDEV_NOLUNS}, 358 {{T_CDROM, T_REMOV, 359 "NEC ", "CD-ROM DRIVE:55 ", ""}, SDEV_NOLUNS}, 360 {{T_CDROM, T_REMOV, 361 "NEC ", "CD-ROM DRIVE:83 ", ""}, SDEV_NOLUNS}, 362 {{T_CDROM, T_REMOV, 363 "NEC ", "CD-ROM DRIVE:84 ", ""}, SDEV_NOLUNS}, 364 {{T_CDROM, T_REMOV, 365 "NEC ", "CD-ROM DRIVE:841", ""}, SDEV_NOLUNS}, 366 {{T_CDROM, T_REMOV, 367 "PIONEER ", "CD-ROM DR-124X ", "1.01"}, SDEV_NOLUNS}, 368 {{T_CDROM, T_REMOV, 369 "SONY ", "CD-ROM CDU-541 ", ""}, SDEV_NOLUNS}, 370 {{T_CDROM, T_REMOV, 371 "SONY ", "CD-ROM CDU-55S ", ""}, SDEV_NOLUNS}, 372 {{T_CDROM, T_REMOV, 373 "SONY ", "CD-ROM CDU-8003A", ""}, SDEV_NOLUNS}, 374 {{T_CDROM, T_REMOV, 375 "SONY ", "CD-ROM CDU-8012 ", ""}, SDEV_NOLUNS}, 376 {{T_CDROM, T_REMOV, 377 "TEAC ", "CD-ROM ", "1.06"}, SDEV_NOLUNS}, 378 {{T_CDROM, T_REMOV, 379 "TEAC ", "CD-ROM CD-56S ", "1.0B"}, SDEV_NOLUNS}, 380 {{T_CDROM, T_REMOV, 381 "TEXEL ", "CD-ROM ", "1.06"}, SDEV_NOLUNS}, 382 {{T_CDROM, T_REMOV, 383 "TEXEL ", "CD-ROM DM-XX24 K", "1.10"}, SDEV_NOLUNS}, 384 {{T_CDROM, T_REMOV, 385 "ShinaKen", "CD-ROM DM-3x1S", "1.04"}, SDEV_NOLUNS}, 386 387 {{T_OPTICAL, T_REMOV, 388 "EPSON ", "OMD-5010 ", "3.08"}, SDEV_NOLUNS}, 389 {{T_OPTICAL, T_REMOV, 390 "FUJITSU", "M2513A", "0800"}, SDEV_NOMODESENSE}, 391 {{T_OPTICAL, T_REMOV, 392 "DELTIS ", "MOS321 ", "3.30"}, SDEV_NOMODESENSE}, 393 394 {{T_DIRECT, T_FIXED, 395 "DEC ", "RZ55 (C) DEC", ""}, SDEV_AUTOSAVE}, 396 {{T_DIRECT, T_FIXED, 397 "EMULEX ", "MD21/S2 ESDI", "A00"}, SDEV_FORCELUNS}, 398 {{T_DIRECT, T_FIXED, 399 "MAXTOR ", "XT-3280 ", ""}, SDEV_NOLUNS}, 400 {{T_DIRECT, T_FIXED, 401 "MAXTOR ", "XT-4380S ", ""}, SDEV_NOLUNS}, 402 {{T_DIRECT, T_FIXED, 403 "MAXTOR ", "MXT-1240S ", ""}, SDEV_NOLUNS}, 404 {{T_DIRECT, T_FIXED, 405 "MAXTOR ", "XT-4170S ", ""}, SDEV_NOLUNS}, 406 {{T_DIRECT, T_FIXED, 407 "MAXTOR ", "XT-8760S", ""}, SDEV_NOLUNS}, 408 {{T_DIRECT, T_FIXED, 409 "MAXTOR ", "LXT-213S ", ""}, SDEV_NOLUNS}, 410 {{T_DIRECT, T_FIXED, 411 "MAXTOR ", "LXT-213S SUN0207", ""}, SDEV_NOLUNS}, 412 {{T_DIRECT, T_FIXED, 413 "MAXTOR ", "LXT-200S ", ""}, SDEV_NOLUNS}, 414 {{T_DIRECT, T_FIXED, 415 "MST ", "SnapLink ", ""}, SDEV_NOLUNS}, 416 {{T_DIRECT, T_FIXED, 417 "NEC ", "D3847 ", "0307"}, SDEV_NOLUNS}, 418 {{T_DIRECT, T_FIXED, 419 "QUANTUM ", "LPS525S ", ""}, SDEV_NOLUNS}, 420 {{T_DIRECT, T_FIXED, 421 "QUANTUM ", "P105S 910-10-94x", ""}, SDEV_NOLUNS}, 422 {{T_DIRECT, T_FIXED, 423 "QUANTUM ", "PD1225S ", ""}, SDEV_NOLUNS}, 424 {{T_DIRECT, T_FIXED, 425 "QUANTUM ", "PD210S SUN0207", ""}, SDEV_NOLUNS}, 426 {{T_DIRECT, T_FIXED, 427 "RODIME ", "RO3000S ", ""}, SDEV_NOLUNS}, 428 {{T_DIRECT, T_FIXED, 429 "SEAGATE ", "ST157N ", ""}, SDEV_NOLUNS}, 430 {{T_DIRECT, T_FIXED, 431 "SEAGATE ", "ST296 ", ""}, SDEV_NOLUNS}, 432 {{T_DIRECT, T_FIXED, 433 "SEAGATE ", "ST296N ", ""}, SDEV_NOLUNS}, 434 {{T_DIRECT, T_FIXED, 435 "TOSHIBA ", "MK538FB ", "6027"}, SDEV_NOLUNS}, 436 {{T_DIRECT, T_REMOV, 437 "iomega", "jaz 1GB", ""}, SDEV_NOMODESENSE}, 438 {{T_DIRECT, T_REMOV, 439 "IOMEGA", "ZIP 100", ""}, SDEV_NOMODESENSE}, 440 /* Letting the motor run kills floppy drives and disks quit fast. */ 441 {{T_DIRECT, T_REMOV, 442 "TEAC", "FC-1", ""}, SDEV_NOSTARTUNIT}, 443 444 /* XXX: QIC-36 tape behind Emulex adapter. Very broken. */ 445 {{T_SEQUENTIAL, T_REMOV, 446 " ", " ", " "}, SDEV_NOLUNS}, 447 {{T_SEQUENTIAL, T_REMOV, 448 "CALIPER ", "CP150 ", ""}, SDEV_NOLUNS}, 449 {{T_SEQUENTIAL, T_REMOV, 450 "EXABYTE ", "EXB-8200 ", ""}, SDEV_NOLUNS}, 451 {{T_SEQUENTIAL, T_REMOV, 452 "SONY ", "SDT-2000 ", "2.09"}, SDEV_NOLUNS}, 453 {{T_SEQUENTIAL, T_REMOV, 454 "SONY ", "SDT-5000 ", "3."}, SDEV_NOSYNCWIDE}, 455 {{T_SEQUENTIAL, T_REMOV, 456 "SONY ", "SDT-5200 ", "3."}, SDEV_NOLUNS}, 457 {{T_SEQUENTIAL, T_REMOV, 458 "TANDBERG", " TDC 3600 ", ""}, SDEV_NOLUNS}, 459 /* Following entry reported as a Tandberg 3600; ref. PR1933 */ 460 {{T_SEQUENTIAL, T_REMOV, 461 "ARCHIVE ", "VIPER 150 21247", ""}, SDEV_NOLUNS}, 462 {{T_SEQUENTIAL, T_REMOV, 463 "WANGTEK ", "5099ES SCSI", ""}, SDEV_NOLUNS}, 464 {{T_SEQUENTIAL, T_REMOV, 465 "WANGTEK ", "5150ES SCSI", ""}, SDEV_NOLUNS}, 466 {{T_SEQUENTIAL, T_REMOV, 467 "WangDAT ", "Model 1300 ", "02.4"}, SDEV_NOSYNCWIDE}, 468 {{T_SEQUENTIAL, T_REMOV, 469 "WangDAT ", "Model 2600 ", "01.7"}, SDEV_NOSYNCWIDE}, 470 {{T_SEQUENTIAL, T_REMOV, 471 "WangDAT ", "Model 3200 ", "02.2"}, SDEV_NOSYNCWIDE}, 472 }; 473 474 /* 475 * Print out autoconfiguration information for a subdevice. 476 * 477 * This is a slight abuse of 'standard' autoconfiguration semantics, 478 * because 'print' functions don't normally print the colon and 479 * device information. However, in this case that's better than 480 * either printing redundant information before the attach message, 481 * or having the device driver call a special function to print out 482 * the standard device information. 483 */ 484 int 485 scsibusprint(aux, pnp) 486 void *aux; 487 const char *pnp; 488 { 489 struct scsibus_attach_args *sa = aux; 490 struct scsi_inquiry_data *inqbuf; 491 u_int8_t type; 492 boolean removable; 493 char *dtype, *qtype; 494 char vendor[33], product[65], revision[17]; 495 int target, lun; 496 497 if (pnp != NULL) 498 printf("%s", pnp); 499 500 inqbuf = sa->sa_inqbuf; 501 502 target = sa->sa_sc_link->target; 503 lun = sa->sa_sc_link->lun; 504 505 type = inqbuf->device & SID_TYPE; 506 removable = inqbuf->dev_qual2 & SID_REMOVABLE ? 1 : 0; 507 508 /* 509 * Figure out basic device type and qualifier. 510 */ 511 dtype = 0; 512 switch (inqbuf->device & SID_QUAL) { 513 case SID_QUAL_LU_OK: 514 qtype = ""; 515 break; 516 517 case SID_QUAL_LU_OFFLINE: 518 qtype = " offline"; 519 break; 520 521 case SID_QUAL_RSVD: 522 case SID_QUAL_BAD_LU: 523 panic("scsibusprint: impossible qualifier"); 524 525 default: 526 qtype = ""; 527 dtype = "vendor-unique"; 528 break; 529 } 530 if (dtype == 0) { 531 switch (type) { 532 case T_DIRECT: 533 dtype = "direct"; 534 break; 535 case T_SEQUENTIAL: 536 dtype = "sequential"; 537 break; 538 case T_PRINTER: 539 dtype = "printer"; 540 break; 541 case T_PROCESSOR: 542 dtype = "processor"; 543 break; 544 case T_CDROM: 545 dtype = "cdrom"; 546 break; 547 case T_WORM: 548 dtype = "worm"; 549 break; 550 case T_SCANNER: 551 dtype = "scanner"; 552 break; 553 case T_OPTICAL: 554 dtype = "optical"; 555 break; 556 case T_CHANGER: 557 dtype = "changer"; 558 break; 559 case T_COMM: 560 dtype = "communication"; 561 break; 562 case T_NODEVICE: 563 panic("scsibusprint: impossible device type"); 564 default: 565 dtype = "unknown"; 566 break; 567 } 568 } 569 570 scsi_strvis(vendor, inqbuf->vendor, 8); 571 scsi_strvis(product, inqbuf->product, 16); 572 scsi_strvis(revision, inqbuf->revision, 4); 573 574 printf(" targ %d lun %d: <%s, %s, %s> SCSI%d %d/%s %s%s", 575 target, lun, vendor, product, revision, 576 inqbuf->version & SID_ANSII, type, dtype, 577 removable ? "removable" : "fixed", qtype); 578 579 return (UNCONF); 580 } 581 582 /* 583 * given a target and lu, ask the device what 584 * it is, and find the correct driver table 585 * entry. 586 */ 587 void 588 scsi_probedev(scsi, target, lun) 589 struct scsibus_softc *scsi; 590 int target, lun; 591 { 592 struct scsi_link *sc_link; 593 static struct scsi_inquiry_data inqbuf; 594 struct scsi_quirk_inquiry_pattern *finger; 595 int checkdtype, priority; 596 struct scsibus_attach_args sa; 597 struct cfdata *cf; 598 599 /* Skip this slot if it is already attached. */ 600 if (scsi->sc_link[target][lun]) 601 return; 602 603 sc_link = malloc(sizeof(*sc_link), M_DEVBUF, M_NOWAIT); 604 *sc_link = *scsi->adapter_link; 605 sc_link->target = target; 606 sc_link->lun = lun; 607 sc_link->device = &probe_switch; 608 609 /* 610 * Ask the device what it is 611 */ 612 #ifdef SCSIDEBUG 613 if (target == DEBUGTARGET && lun == DEBUGLUN) 614 sc_link->flags |= DEBUGLEVEL; 615 #endif /* SCSIDEBUG */ 616 617 (void) scsi_test_unit_ready(sc_link, 618 SCSI_AUTOCONF | SCSI_IGNORE_ILLEGAL_REQUEST | SCSI_IGNORE_NOT_READY | SCSI_IGNORE_MEDIA_CHANGE); 619 620 #ifdef SCSI_2_DEF 621 /* some devices need to be told to go to SCSI2 */ 622 /* However some just explode if you tell them this.. leave it out */ 623 scsi_change_def(sc_link, SCSI_AUTOCONF | SCSI_SILENT); 624 #endif /* SCSI_2_DEF */ 625 626 /* Now go ask the device all about itself. */ 627 bzero(&inqbuf, sizeof(inqbuf)); 628 if (scsi_inquire(sc_link, &inqbuf, SCSI_AUTOCONF) != 0) 629 goto bad; 630 631 { 632 int len = inqbuf.additional_length; 633 while (len < 3) 634 inqbuf.unused[len++] = '\0'; 635 while (len < 3 + 28) 636 inqbuf.unused[len++] = ' '; 637 } 638 639 finger = (struct scsi_quirk_inquiry_pattern *)scsi_inqmatch(&inqbuf, 640 (caddr_t)scsi_quirk_patterns, 641 sizeof(scsi_quirk_patterns)/sizeof(scsi_quirk_patterns[0]), 642 sizeof(scsi_quirk_patterns[0]), &priority); 643 if (priority != 0) 644 sc_link->quirks |= finger->quirks; 645 if ((inqbuf.version & SID_ANSII) == 0 && 646 (sc_link->quirks & SDEV_FORCELUNS) == 0) 647 sc_link->quirks |= SDEV_NOLUNS; 648 sc_link->scsi_version = inqbuf.version; 649 650 if ((sc_link->quirks & SDEV_NOLUNS) == 0) 651 scsi->moreluns |= (1 << target); 652 653 /* 654 * note what BASIC type of device it is 655 */ 656 if ((inqbuf.dev_qual2 & SID_REMOVABLE) != 0) 657 sc_link->flags |= SDEV_REMOVABLE; 658 659 /* 660 * Any device qualifier that has the top bit set (qualifier&4 != 0) 661 * is vendor specific and won't match in this switch. 662 * All we do here is throw out bad/negative responses. 663 */ 664 checkdtype = 0; 665 switch (inqbuf.device & SID_QUAL) { 666 case SID_QUAL_LU_OK: 667 case SID_QUAL_LU_OFFLINE: 668 checkdtype = 1; 669 break; 670 671 case SID_QUAL_RSVD: 672 case SID_QUAL_BAD_LU: 673 goto bad; 674 675 default: 676 break; 677 } 678 if (checkdtype) { 679 switch (inqbuf.device & SID_TYPE) { 680 case T_DIRECT: 681 case T_SEQUENTIAL: 682 case T_PRINTER: 683 case T_PROCESSOR: 684 case T_CDROM: 685 case T_WORM: 686 case T_SCANNER: 687 case T_OPTICAL: 688 case T_CHANGER: 689 case T_COMM: 690 default: 691 break; 692 case T_NODEVICE: 693 goto bad; 694 } 695 } 696 697 sa.sa_sc_link = sc_link; 698 sa.sa_inqbuf = &inqbuf; 699 700 if ((cf = config_search(scsibussubmatch, (struct device *)scsi, &sa)) != 0) { 701 scsi->sc_link[target][lun] = sc_link; 702 config_attach((struct device *)scsi, cf, &sa, scsibusprint); 703 } else { 704 scsibusprint(&sa, scsi->sc_dev.dv_xname); 705 printf(" not configured\n"); 706 goto bad; 707 } 708 709 return; 710 711 bad: 712 free(sc_link, M_DEVBUF); 713 return; 714 } 715 716 /* 717 * Return a priority based on how much of the inquiry data matches 718 * the patterns for the particular driver. 719 */ 720 caddr_t 721 scsi_inqmatch(inqbuf, base, nmatches, matchsize, bestpriority) 722 struct scsi_inquiry_data *inqbuf; 723 caddr_t base; 724 int nmatches, matchsize; 725 int *bestpriority; 726 { 727 u_int8_t type; 728 boolean removable; 729 caddr_t bestmatch; 730 731 /* Include the qualifier to catch vendor-unique types. */ 732 type = inqbuf->device; 733 removable = inqbuf->dev_qual2 & SID_REMOVABLE ? T_REMOV : T_FIXED; 734 735 for (*bestpriority = 0, bestmatch = 0; nmatches--; base += matchsize) { 736 struct scsi_inquiry_pattern *match = (void *)base; 737 int priority, len; 738 739 if (type != match->type) 740 continue; 741 if (removable != match->removable) 742 continue; 743 priority = 2; 744 len = strlen(match->vendor); 745 if (bcmp(inqbuf->vendor, match->vendor, len)) 746 continue; 747 priority += len; 748 len = strlen(match->product); 749 if (bcmp(inqbuf->product, match->product, len)) 750 continue; 751 priority += len; 752 len = strlen(match->revision); 753 if (bcmp(inqbuf->revision, match->revision, len)) 754 continue; 755 priority += len; 756 757 #if SCSIDEBUG 758 printf("scsi_inqmatch: %d/%d/%d <%s, %s, %s>\n", 759 priority, match->type, match->removable, 760 match->vendor, match->product, match->revision); 761 #endif 762 if (priority > *bestpriority) { 763 *bestpriority = priority; 764 bestmatch = base; 765 } 766 } 767 768 return (bestmatch); 769 } 770
Indexes created Wed Sep 24 05:09:52 GMT 2025