scsiconf.c revision 1.18
1 /* $NetBSD: scsiconf.c,v 1.18 1994/12/28 19:43:09 mycroft 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; 238 *dst++ = (*src & 0070) >> 3; 239 *dst++ = (*src & 0007) >> 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:841", "1.0 ", SDEV_NOLUNS}, 270 {T_CDROM, T_REMOV, 271 "SONY ", "CD-ROM CDU-541 ", "4.3d", SDEV_NOLUNS}, 272 {T_CDROM, T_REMOV, 273 "SONY ", "CD-ROM CDU-55S ", "1.0i", SDEV_NOLUNS}, 274 {T_CDROM, T_REMOV, 275 "TEAC ", "CD-ROM ", "1.06", SDEV_NOLUNS}, 276 {T_CDROM, T_REMOV, 277 "TEXEL ", "CD-ROM ", "1.06", SDEV_NOLUNS}, 278 {T_CDROM, T_REMOV, 279 "MEDIAVIS", "CDR-H93MV ", "1.31", SDEV_NOLUNS}, 280 281 {T_DIRECT, T_FIXED, 282 "MAXTOR ", "XT-3280 ", "PR02", SDEV_NOLUNS}, 283 {T_DIRECT, T_FIXED, 284 "MAXTOR ", "XT-4380S ", "B3C", SDEV_NOLUNS}, 285 {T_DIRECT, T_FIXED, 286 "MAXTOR ", "MXT-1240S ", "I1.2", SDEV_NOLUNS}, 287 {T_DIRECT, T_FIXED, 288 "MAXTOR ", "XT-4170S ", "B5A", SDEV_NOLUNS}, 289 {T_DIRECT, T_FIXED, 290 "MAXTOR ", "XT-8760S ", "B7B", SDEV_NOLUNS}, 291 {T_DIRECT, T_FIXED, 292 "RODIME ", "RO3000S ", "2.33", SDEV_NOLUNS}, 293 {T_DIRECT, T_FIXED, 294 "SEAGATE ", "ST157N ", "\004|j", SDEV_NOLUNS}, 295 {T_DIRECT, T_FIXED, 296 "SEAGATE ", "ST296 ", "921", SDEV_NOLUNS}, 297 {T_DIRECT, T_FIXED, 298 "QUANTUM ", "LPS525S ", "3110", SDEV_NOLUNS}, 299 {T_DIRECT, T_FIXED, 300 "QUANTUM ", "PD1225S ", "3110", SDEV_NOLUNS}, 301 302 {T_SEQUENTIAL, T_REMOV, 303 "TANDBERG", " TDC 3600 ", "U07", SDEV_NOLUNS}, 304 {T_SEQUENTIAL, T_REMOV, 305 "WangDAT ", "Model 1300 ", "02.4", SDEV_NOSYNCWIDE}, 306 {T_SEQUENTIAL, T_REMOV, 307 "WangDAT ", "Model 2600 ", "01.7", SDEV_NOSYNCWIDE}, 308 {T_SEQUENTIAL, T_REMOV, 309 "WangDAT ", "Model 3200 ", "02.2", SDEV_NOSYNCWIDE}, 310 }; 311 312 /* 313 * given a target and lu, ask the device what 314 * it is, and find the correct driver table 315 * entry. 316 */ 317 void 318 scsi_probedev(scsi, target, lun) 319 struct scsibus_softc *scsi; 320 int target, lun; 321 { 322 struct scsi_link *sc_link; 323 static struct scsi_inquiry_data inqbuf; 324 struct scsi_quirk_inquiry_pattern *finger; 325 int priority; 326 u_int8_t type; 327 boolean removable; 328 char *dtype, *qtype; 329 char vendor[33], product[65], revision[17]; 330 struct scsibus_attach_args sa; 331 struct cfdata *cf; 332 333 /* Skip this slot if it is already attached. */ 334 if (scsi->sc_link[target][lun]) 335 return; 336 337 sc_link = malloc(sizeof(*sc_link), M_DEVBUF, M_NOWAIT); 338 *sc_link = *scsi->adapter_link; 339 sc_link->target = target; 340 sc_link->lun = lun; 341 sc_link->device = &probe_switch; 342 343 /* 344 * Ask the device what it is 345 */ 346 #ifdef SCSIDEBUG 347 if (target == DEBUGTARGET && lun == DEBUGLUN) 348 sc_link->flags |= DEBUGLEVEL; 349 else 350 sc_link->flags &= ~(SDEV_DB1 | SDEV_DB2 | SDEV_DB3 | SDEV_DB4); 351 #endif /* SCSIDEBUG */ 352 353 (void) scsi_test_unit_ready(sc_link, 354 SCSI_AUTOCONF | SCSI_IGNORE_ILLEGAL_REQUEST | SCSI_IGNORE_NOT_READY | SCSI_IGNORE_MEDIA_CHANGE); 355 356 #ifdef SCSI_2_DEF 357 /* some devices need to be told to go to SCSI2 */ 358 /* However some just explode if you tell them this.. leave it out */ 359 scsi_change_def(sc_link, SCSI_AUTOCONF | SCSI_SILENT); 360 #endif /* SCSI_2_DEF */ 361 362 /* Now go ask the device all about itself. */ 363 bzero(&inqbuf, sizeof(inqbuf)); 364 if (scsi_inquire(sc_link, &inqbuf, SCSI_AUTOCONF) != 0) 365 goto bad; 366 367 { 368 int len = inqbuf.additional_length; 369 u_int8_t *p = inqbuf.unused + len; 370 while (p < (u_int8_t *)(&inqbuf + 1)) 371 *p++ = 0; 372 } 373 374 finger = (struct scsi_quirk_inquiry_pattern *)scsi_inqmatch(&inqbuf, 375 (caddr_t)scsi_quirk_patterns, 376 sizeof(scsi_quirk_patterns)/sizeof(scsi_quirk_patterns[0]), 377 sizeof(scsi_quirk_patterns[0]), &priority); 378 if (priority != 0) 379 sc_link->quirks |= finger->quirks; 380 if ((inqbuf.version & SID_ANSII) == 0) 381 sc_link->quirks |= SDEV_NOLUNS; 382 383 if ((sc_link->quirks & SDEV_NOLUNS) == 0) 384 scsi->moreluns |= (1 << target); 385 386 /* 387 * note what BASIC type of device it is 388 */ 389 type = inqbuf.device & SID_TYPE; 390 removable = inqbuf.dev_qual2 & SID_REMOVABLE ? 1 : 0; 391 392 if (removable) 393 sc_link->flags |= SDEV_REMOVABLE; 394 395 /* 396 * Any device qualifier that has the top bit set (qualifier&4 != 0) 397 * is vendor specific and won't match in this switch. 398 */ 399 dtype = 0; 400 switch (inqbuf.device & SID_QUAL) { 401 case SID_QUAL_LU_OK: 402 qtype = ""; 403 break; 404 405 case SID_QUAL_LU_OFFLINE: 406 qtype = " offline"; 407 break; 408 409 case SID_QUAL_RSVD: 410 case SID_QUAL_BAD_LU: 411 goto bad; 412 413 default: 414 qtype = ""; 415 dtype = "vendor-unique"; 416 break; 417 } 418 if (dtype == 0) { 419 switch (type) { 420 case T_DIRECT: 421 dtype = "direct"; 422 break; 423 case T_SEQUENTIAL: 424 dtype = "sequential"; 425 break; 426 case T_PRINTER: 427 dtype = "printer"; 428 break; 429 case T_PROCESSOR: 430 dtype = "processor"; 431 break; 432 case T_CDROM: 433 dtype = "cdrom"; 434 break; 435 case T_WORM: 436 dtype = "worm"; 437 break; 438 case T_SCANNER: 439 dtype = "scanner"; 440 break; 441 case T_OPTICAL: 442 dtype = "optical"; 443 break; 444 case T_CHANGER: 445 dtype = "changer"; 446 break; 447 case T_COMM: 448 dtype = "communication"; 449 break; 450 case T_NODEVICE: 451 goto bad; 452 default: 453 dtype = "unknown"; 454 break; 455 } 456 } 457 458 scsi_strvis(vendor, inqbuf.vendor, 8); 459 scsi_strvis(product, inqbuf.product, 16); 460 scsi_strvis(revision, inqbuf.revision, 4); 461 462 printf("%s targ %d lun %d: <%s, %s, %s> SCSI%d %d/%s %s%s\n", 463 ((struct device *)sc_link->adapter_softc)->dv_xname, 464 target, lun, vendor, product, revision, 465 inqbuf.version & SID_ANSII, type, dtype, 466 removable ? "removable" : "fixed", qtype); 467 468 sa.sa_sc_link = sc_link; 469 sa.sa_inqbuf = &inqbuf; 470 471 if ((cf = config_search(scsibussubmatch, (struct device *)scsi, &sa)) != 0) { 472 config_attach((struct device *)scsi, cf, &sa, NULL); 473 scsi->sc_link[target][lun] = sc_link; 474 } else 475 goto bad; 476 477 return; 478 479 bad: 480 free(sc_link, M_DEVBUF); 481 return; 482 } 483 484 /* 485 * Return a priority based on how much of the inquiry data matches 486 * the patterns for the particular driver. 487 */ 488 caddr_t 489 scsi_inqmatch(inqbuf, base, nmatches, matchsize, bestpriority) 490 struct scsi_inquiry_data *inqbuf; 491 caddr_t base; 492 int nmatches, matchsize; 493 int *bestpriority; 494 { 495 u_int8_t type; 496 boolean removable; 497 caddr_t bestmatch; 498 499 /* Include the qualifier to catch vendor-unique types. */ 500 type = inqbuf->device; 501 removable = inqbuf->dev_qual2 & SID_REMOVABLE ? T_REMOV : T_FIXED; 502 503 for (*bestpriority = 0, bestmatch = 0; nmatches--; base += matchsize) { 504 struct scsi_inquiry_pattern *match = (void *)base; 505 int priority, len; 506 507 if (type != match->type) 508 continue; 509 if (removable != match->removable) 510 continue; 511 priority = 2; 512 len = strlen(match->vendor); 513 if (bcmp(inqbuf->vendor, match->vendor, len)) 514 continue; 515 priority += len; 516 len = strlen(match->product); 517 if (bcmp(inqbuf->product, match->product, len)) 518 continue; 519 priority += len; 520 len = strlen(match->revision); 521 if (bcmp(inqbuf->revision, match->revision, len)) 522 continue; 523 priority += len; 524 525 #if 0 526 printf("scsi_inqmatch: %d/%d/%d <%s, %s, %s>\n", 527 priority, match->type, match->removable, 528 match->vendor, match->product, match->revision); 529 #endif 530 if (priority > *bestpriority) { 531 *bestpriority = priority; 532 bestmatch = base; 533 } 534 } 535 536 return (bestmatch); 537 } 538
Indexes created Thu Sep 25 16:09:42 GMT 2025