scsiconf.c revision 1.29
1 /* $NetBSD: scsiconf.c,v 1.29 1995/06/02 21:44:11 pk 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 89 struct cfdriver scsibuscd = { 90 NULL, "scsibus", scsibusmatch, scsibusattach, DV_DULL, 91 sizeof(struct scsibus_softc) 92 }; 93 94 int 95 scsibusmatch(parent, match, aux) 96 struct device *parent; 97 void *match, *aux; 98 { 99 100 return 1; 101 } 102 103 /* 104 * The routine called by the adapter boards to get all their 105 * devices configured in. 106 */ 107 void 108 scsibusattach(parent, self, aux) 109 struct device *parent, *self; 110 void *aux; 111 { 112 struct scsibus_softc *sb = (struct scsibus_softc *)self; 113 struct scsi_link *sc_link_proto = aux; 114 115 sc_link_proto->scsibus = sb->sc_dev.dv_unit; 116 sb->adapter_link = sc_link_proto; 117 printf("\n"); 118 119 #if defined(SCSI_DELAY) && SCSI_DELAY > 2 120 printf("%s: waiting for scsi devices to settle\n", 121 sb->sc_dev.dv_xname); 122 #else /* SCSI_DELAY > 2 */ 123 #undef SCSI_DELAY 124 #define SCSI_DELAY 2 125 #endif /* SCSI_DELAY */ 126 delay(1000000 * SCSI_DELAY); 127 128 scsi_probe_bus(sb->sc_dev.dv_unit, -1, -1); 129 } 130 131 int 132 scsibussubmatch(parent, match, aux) 133 struct device *parent; 134 void *match, *aux; 135 { 136 struct cfdata *cf = match; 137 struct scsibus_attach_args *sa = aux; 138 struct scsi_link *sc_link = sa->sa_sc_link; 139 140 if (cf->cf_loc[0] != -1 && cf->cf_loc[0] != sc_link->target) 141 return 0; 142 if (cf->cf_loc[1] != -1 && cf->cf_loc[1] != sc_link->lun) 143 return 0; 144 return ((*cf->cf_driver->cd_match)(parent, match, aux)); 145 } 146 147 /* 148 * Probe the requested scsi bus. It must be already set up. 149 * -1 requests all set up scsi busses. 150 * target and lun optionally narrow the search if not -1 151 */ 152 int 153 scsi_probe_busses(bus, target, lun) 154 int bus, target, lun; 155 { 156 157 if (bus == -1) { 158 for (bus = 0; bus < scsibuscd.cd_ndevs; bus++) 159 if (scsibuscd.cd_devs[bus]) 160 scsi_probe_bus(bus, target, lun); 161 return 0; 162 } else { 163 return scsi_probe_bus(bus, target, lun); 164 } 165 } 166 167 /* 168 * Probe the requested scsi bus. It must be already set up. 169 * target and lun optionally narrow the search if not -1 170 */ 171 int 172 scsi_probe_bus(bus, target, lun) 173 int bus, target, lun; 174 { 175 struct scsibus_softc *scsi; 176 int maxtarget, mintarget, maxlun, minlun; 177 u_int8_t scsi_addr; 178 179 if (bus < 0 || bus >= scsibuscd.cd_ndevs) 180 return ENXIO; 181 scsi = scsibuscd.cd_devs[bus]; 182 if (!scsi) 183 return ENXIO; 184 185 scsi_addr = scsi->adapter_link->adapter_target; 186 187 if (target == -1) { 188 maxtarget = 7; 189 mintarget = 0; 190 } else { 191 if (target < 0 || target > 7) 192 return EINVAL; 193 maxtarget = mintarget = target; 194 } 195 196 if (lun == -1) { 197 maxlun = 7; 198 minlun = 0; 199 } else { 200 if (lun < 0 || lun > 7) 201 return EINVAL; 202 maxlun = minlun = lun; 203 } 204 205 for (target = mintarget; target <= maxtarget; target++) { 206 if (target == scsi_addr) 207 continue; 208 for (lun = minlun; lun <= maxlun; lun++) { 209 /* 210 * See if there's a device present, and configure it. 211 */ 212 scsi_probedev(scsi, target, lun); 213 if ((scsi->moreluns & (1 << target)) == 0) 214 break; 215 /* otherwise something says we should look further */ 216 } 217 } 218 return 0; 219 } 220 221 void 222 scsi_strvis(dst, src, len) 223 u_char *dst, *src; 224 int len; 225 { 226 227 /* Trim leading and trailing blanks. */ 228 while (len > 0 && src[0] == ' ') 229 ++src, --len; 230 while (len > 0 && src[len-1] == ' ') 231 --len; 232 233 while (len > 0) { 234 if (*src < 0x20 || *src >= 0x80) { 235 /* non-printable characters */ 236 *dst++ = '\\'; 237 *dst++ = ((*src & 0300) >> 6) + '0'; 238 *dst++ = ((*src & 0070) >> 3) + '0'; 239 *dst++ = ((*src & 0007) >> 0) + '0'; 240 } else if (*src == '\\') { 241 /* quote characters */ 242 *dst++ = '\\'; 243 *dst++ = '\\'; 244 } else { 245 /* normal characters */ 246 *dst++ = *src; 247 } 248 ++src, --len; 249 } 250 251 *dst++ = 0; 252 } 253 254 struct scsi_quirk_inquiry_pattern { 255 struct scsi_inquiry_pattern pattern; 256 u_int8_t quirks; 257 }; 258 259 struct scsi_quirk_inquiry_pattern scsi_quirk_patterns[] = { 260 {T_CDROM, T_REMOV, 261 "CHINON ", "CD-ROM CDS-431 ", "H42", SDEV_NOLUNS}, 262 {T_CDROM, T_REMOV, 263 "CHINON ", "CD-ROM CDS-535 ", "Q14", SDEV_NOLUNS}, 264 {T_CDROM, T_REMOV, 265 "DENON ", "DRD-25X ", "V", SDEV_NOLUNS}, 266 {T_CDROM, T_REMOV, 267 "IMS ", "CDD521/10 ", "2.06", SDEV_NOLUNS}, 268 {T_CDROM, T_REMOV, 269 "NEC ", "CD-ROM DRIVE:55 ", "", SDEV_NOLUNS}, 270 {T_CDROM, T_REMOV, 271 "NEC ", "CD-ROM DRIVE:83 ", "", SDEV_NOLUNS}, 272 {T_CDROM, T_REMOV, 273 "NEC ", "CD-ROM DRIVE:841", "", SDEV_NOLUNS}, 274 {T_CDROM, T_REMOV, 275 "SONY ", "CD-ROM CDU-541 ", "", SDEV_NOLUNS}, 276 {T_CDROM, T_REMOV, 277 "SONY ", "CD-ROM CDU-55S ", "", SDEV_NOLUNS}, 278 {T_CDROM, T_REMOV, 279 "TEAC ", "CD-ROM ", "1.06", SDEV_NOLUNS}, 280 {T_CDROM, T_REMOV, 281 "TEXEL ", "CD-ROM ", "1.06", SDEV_NOLUNS}, 282 {T_CDROM, T_REMOV, 283 "MEDIAVIS", "CDR-H93MV ", "1.31", SDEV_NOLUNS}, 284 285 {T_DIRECT, T_FIXED, 286 "MAXTOR ", "XT-3280 ", "", SDEV_NOLUNS}, 287 {T_DIRECT, T_FIXED, 288 "MAXTOR ", "XT-4380S ", "", SDEV_NOLUNS}, 289 {T_DIRECT, T_FIXED, 290 "MAXTOR ", "MXT-1240S ", "", SDEV_NOLUNS}, 291 {T_DIRECT, T_FIXED, 292 "MAXTOR ", "XT-4170S ", "", SDEV_NOLUNS}, 293 {T_DIRECT, T_FIXED, 294 "MAXTOR ", "XT-8760S ", "", SDEV_NOLUNS}, 295 {T_DIRECT, T_FIXED, 296 "MAXTOR ", "LXT-213S ", "", SDEV_NOLUNS}, 297 {T_DIRECT, T_FIXED, 298 "MAXTOR ", "LXT-213S SUN0207", "", SDEV_NOLUNS}, 299 {T_DIRECT, T_FIXED, 300 "RODIME ", "RO3000S ", "2.33", SDEV_NOLUNS}, 301 {T_DIRECT, T_FIXED, 302 "SEAGATE ", "ST157N ", "\004|j", SDEV_NOLUNS}, 303 {T_DIRECT, T_FIXED, 304 "SEAGATE ", "ST296 ", "921", SDEV_NOLUNS}, 305 {T_DIRECT, T_FIXED, 306 "QUANTUM ", "LPS525S ", "3110", SDEV_NOLUNS}, 307 {T_DIRECT, T_FIXED, 308 "QUANTUM ", "PD1225S ", "3110", SDEV_NOLUNS}, 309 310 {T_SEQUENTIAL, T_REMOV, 311 "EXABYTE ", "EXB-8200 ", "", SDEV_NOLUNS}, 312 {T_SEQUENTIAL, T_REMOV, 313 "SONY ", "SDT-2000 ", "2.09", SDEV_NOLUNS}, 314 {T_SEQUENTIAL, T_REMOV, 315 "TANDBERG", " TDC 3600 ", "", SDEV_NOLUNS}, 316 317 {T_SEQUENTIAL, T_REMOV, 318 "SONY ", "SDT-5000 ", "3.17", SDEV_NOSYNCWIDE}, 319 {T_SEQUENTIAL, T_REMOV, 320 "WangDAT ", "Model 1300 ", "02.4", SDEV_NOSYNCWIDE}, 321 {T_SEQUENTIAL, T_REMOV, 322 "WangDAT ", "Model 2600 ", "01.7", SDEV_NOSYNCWIDE}, 323 {T_SEQUENTIAL, T_REMOV, 324 "WangDAT ", "Model 3200 ", "02.2", SDEV_NOSYNCWIDE}, 325 }; 326 327 /* 328 * given a target and lu, ask the device what 329 * it is, and find the correct driver table 330 * entry. 331 */ 332 void 333 scsi_probedev(scsi, target, lun) 334 struct scsibus_softc *scsi; 335 int target, lun; 336 { 337 struct scsi_link *sc_link; 338 static struct scsi_inquiry_data inqbuf; 339 struct scsi_quirk_inquiry_pattern *finger; 340 int priority; 341 u_int8_t type; 342 boolean removable; 343 char *dtype, *qtype; 344 char vendor[33], product[65], revision[17]; 345 struct scsibus_attach_args sa; 346 struct cfdata *cf; 347 348 /* Skip this slot if it is already attached. */ 349 if (scsi->sc_link[target][lun]) 350 return; 351 352 sc_link = malloc(sizeof(*sc_link), M_DEVBUF, M_NOWAIT); 353 *sc_link = *scsi->adapter_link; 354 sc_link->target = target; 355 sc_link->lun = lun; 356 sc_link->device = &probe_switch; 357 358 /* 359 * Ask the device what it is 360 */ 361 #ifdef SCSIDEBUG 362 if (target == DEBUGTARGET && lun == DEBUGLUN) 363 sc_link->flags |= DEBUGLEVEL; 364 #endif /* SCSIDEBUG */ 365 366 (void) scsi_test_unit_ready(sc_link, 367 SCSI_AUTOCONF | SCSI_IGNORE_ILLEGAL_REQUEST | SCSI_IGNORE_NOT_READY | SCSI_IGNORE_MEDIA_CHANGE); 368 369 #ifdef SCSI_2_DEF 370 /* some devices need to be told to go to SCSI2 */ 371 /* However some just explode if you tell them this.. leave it out */ 372 scsi_change_def(sc_link, SCSI_AUTOCONF | SCSI_SILENT); 373 #endif /* SCSI_2_DEF */ 374 375 /* Now go ask the device all about itself. */ 376 bzero(&inqbuf, sizeof(inqbuf)); 377 if (scsi_inquire(sc_link, &inqbuf, SCSI_AUTOCONF) != 0) 378 goto bad; 379 380 { 381 int len = inqbuf.additional_length; 382 while (len < 3) 383 inqbuf.unused[len++] = '\0'; 384 while (len < 3 + 28) 385 inqbuf.unused[len++] = ' '; 386 } 387 388 finger = (struct scsi_quirk_inquiry_pattern *)scsi_inqmatch(&inqbuf, 389 (caddr_t)scsi_quirk_patterns, 390 sizeof(scsi_quirk_patterns)/sizeof(scsi_quirk_patterns[0]), 391 sizeof(scsi_quirk_patterns[0]), &priority); 392 if (priority != 0) 393 sc_link->quirks |= finger->quirks; 394 if ((inqbuf.version & SID_ANSII) == 0) 395 sc_link->quirks |= SDEV_NOLUNS; 396 397 if ((sc_link->quirks & SDEV_NOLUNS) == 0) 398 scsi->moreluns |= (1 << target); 399 400 /* 401 * note what BASIC type of device it is 402 */ 403 type = inqbuf.device & SID_TYPE; 404 removable = inqbuf.dev_qual2 & SID_REMOVABLE ? 1 : 0; 405 406 if (removable) 407 sc_link->flags |= SDEV_REMOVABLE; 408 409 /* 410 * Any device qualifier that has the top bit set (qualifier&4 != 0) 411 * is vendor specific and won't match in this switch. 412 */ 413 dtype = 0; 414 switch (inqbuf.device & SID_QUAL) { 415 case SID_QUAL_LU_OK: 416 qtype = ""; 417 break; 418 419 case SID_QUAL_LU_OFFLINE: 420 qtype = " offline"; 421 break; 422 423 case SID_QUAL_RSVD: 424 case SID_QUAL_BAD_LU: 425 goto bad; 426 427 default: 428 qtype = ""; 429 dtype = "vendor-unique"; 430 break; 431 } 432 if (dtype == 0) { 433 switch (type) { 434 case T_DIRECT: 435 dtype = "direct"; 436 break; 437 case T_SEQUENTIAL: 438 dtype = "sequential"; 439 break; 440 case T_PRINTER: 441 dtype = "printer"; 442 break; 443 case T_PROCESSOR: 444 dtype = "processor"; 445 break; 446 case T_CDROM: 447 dtype = "cdrom"; 448 break; 449 case T_WORM: 450 dtype = "worm"; 451 break; 452 case T_SCANNER: 453 dtype = "scanner"; 454 break; 455 case T_OPTICAL: 456 dtype = "optical"; 457 break; 458 case T_CHANGER: 459 dtype = "changer"; 460 break; 461 case T_COMM: 462 dtype = "communication"; 463 break; 464 case T_NODEVICE: 465 goto bad; 466 default: 467 dtype = "unknown"; 468 break; 469 } 470 } 471 472 scsi_strvis(vendor, inqbuf.vendor, 8); 473 scsi_strvis(product, inqbuf.product, 16); 474 scsi_strvis(revision, inqbuf.revision, 4); 475 476 printf("%s targ %d lun %d: <%s, %s, %s> SCSI%d %d/%s %s%s\n", 477 ((struct device *)sc_link->adapter_softc)->dv_xname, 478 target, lun, vendor, product, revision, 479 inqbuf.version & SID_ANSII, type, dtype, 480 removable ? "removable" : "fixed", qtype); 481 482 sa.sa_sc_link = sc_link; 483 sa.sa_inqbuf = &inqbuf; 484 485 if ((cf = config_search(scsibussubmatch, (struct device *)scsi, &sa)) != 0) { 486 config_attach((struct device *)scsi, cf, &sa, NULL); 487 scsi->sc_link[target][lun] = sc_link; 488 } else 489 goto bad; 490 491 return; 492 493 bad: 494 free(sc_link, M_DEVBUF); 495 return; 496 } 497 498 /* 499 * Return a priority based on how much of the inquiry data matches 500 * the patterns for the particular driver. 501 */ 502 caddr_t 503 scsi_inqmatch(inqbuf, base, nmatches, matchsize, bestpriority) 504 struct scsi_inquiry_data *inqbuf; 505 caddr_t base; 506 int nmatches, matchsize; 507 int *bestpriority; 508 { 509 u_int8_t type; 510 boolean removable; 511 caddr_t bestmatch; 512 513 /* Include the qualifier to catch vendor-unique types. */ 514 type = inqbuf->device; 515 removable = inqbuf->dev_qual2 & SID_REMOVABLE ? T_REMOV : T_FIXED; 516 517 for (*bestpriority = 0, bestmatch = 0; nmatches--; base += matchsize) { 518 struct scsi_inquiry_pattern *match = (void *)base; 519 int priority, len; 520 521 if (type != match->type) 522 continue; 523 if (removable != match->removable) 524 continue; 525 priority = 2; 526 len = strlen(match->vendor); 527 if (bcmp(inqbuf->vendor, match->vendor, len)) 528 continue; 529 priority += len; 530 len = strlen(match->product); 531 if (bcmp(inqbuf->product, match->product, len)) 532 continue; 533 priority += len; 534 len = strlen(match->revision); 535 if (bcmp(inqbuf->revision, match->revision, len)) 536 continue; 537 priority += len; 538 539 #if 0 540 printf("scsi_inqmatch: %d/%d/%d <%s, %s, %s>\n", 541 priority, match->type, match->removable, 542 match->vendor, match->product, match->revision); 543 #endif 544 if (priority > *bestpriority) { 545 *bestpriority = priority; 546 bestmatch = base; 547 } 548 } 549 550 return (bestmatch); 551 } 552
Indexes created Wed Sep 24 15:09:51 GMT 2025