scsiconf.c revision 1.245.6.5
1 /* $NetBSD: scsiconf.c,v 1.245.6.5 2008/09/28 10:40:31 mjf Exp $ */ 2 3 /*- 4 * Copyright (c) 1998, 1999, 2004 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Charles M. Hannum; Jason R. Thorpe of the Numerical Aerospace 9 * Simulation Facility, NASA Ames Research Center. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 30 * POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 /* 34 * Originally written by Julian Elischer (julian (at) tfs.com) 35 * for TRW Financial Systems for use under the MACH(2.5) operating system. 36 * 37 * TRW Financial Systems, in accordance with their agreement with Carnegie 38 * Mellon University, makes this software available to CMU to distribute 39 * or use in any manner that they see fit as long as this message is kept with 40 * the software. For this reason TFS also grants any other persons or 41 * organisations permission to use or modify this software. 42 * 43 * TFS supplies this software to be publicly redistributed 44 * on the understanding that TFS is not responsible for the correct 45 * functioning of this software in any circumstances. 46 * 47 * Ported to run under 386BSD by Julian Elischer (julian (at) tfs.com) Sept 1992 48 */ 49 50 #include <sys/cdefs.h> 51 __KERNEL_RCSID(0, "$NetBSD: scsiconf.c,v 1.245.6.5 2008/09/28 10:40:31 mjf Exp $"); 52 53 #include <sys/param.h> 54 #include <sys/systm.h> 55 #include <sys/kernel.h> 56 #include <sys/proc.h> 57 #include <sys/kthread.h> 58 #include <sys/malloc.h> 59 #include <sys/device.h> 60 #include <sys/conf.h> 61 #include <sys/fcntl.h> 62 #include <sys/scsiio.h> 63 #include <sys/queue.h> 64 #include <sys/simplelock.h> 65 66 #include <dev/scsipi/scsi_all.h> 67 #include <dev/scsipi/scsipi_all.h> 68 #include <dev/scsipi/scsiconf.h> 69 70 #include "locators.h" 71 72 static const struct scsipi_periphsw scsi_probe_dev = { 73 NULL, 74 NULL, 75 NULL, 76 NULL, 77 }; 78 79 struct scsi_initq { 80 struct scsipi_channel *sc_channel; 81 TAILQ_ENTRY(scsi_initq) scsi_initq; 82 }; 83 84 static TAILQ_HEAD(, scsi_initq) scsi_initq_head = 85 TAILQ_HEAD_INITIALIZER(scsi_initq_head); 86 static struct simplelock scsibus_interlock = SIMPLELOCK_INITIALIZER; 87 88 static int scsi_probe_device(struct scsibus_softc *, int, int); 89 90 static int scsibusmatch(struct device *, struct cfdata *, void *); 91 static void scsibusattach(struct device *, struct device *, void *); 92 static int scsibusactivate(struct device *, enum devact); 93 static int scsibusdetach(struct device *, int flags); 94 static int scsibusrescan(struct device *, const char *, const int *); 95 static void scsidevdetached(struct device *, struct device *); 96 97 CFATTACH_DECL2_NEW(scsibus, sizeof(struct scsibus_softc), 98 scsibusmatch, scsibusattach, scsibusdetach, scsibusactivate, 99 scsibusrescan, scsidevdetached); 100 101 extern struct cfdriver scsibus_cd; 102 103 static dev_type_open(scsibusopen); 104 static dev_type_close(scsibusclose); 105 static dev_type_ioctl(scsibusioctl); 106 107 const struct cdevsw scsibus_cdevsw = { 108 scsibusopen, scsibusclose, noread, nowrite, scsibusioctl, 109 nostop, notty, nopoll, nommap, nokqfilter, D_OTHER, 110 }; 111 112 static int scsibusprint(void *, const char *); 113 static void scsibus_config(struct scsipi_channel *, void *); 114 115 const struct scsipi_bustype scsi_bustype = { 116 SCSIPI_BUSTYPE_SCSI, 117 scsi_scsipi_cmd, 118 scsipi_interpret_sense, 119 scsi_print_addr, 120 scsi_kill_pending, 121 }; 122 123 int 124 scsiprint(void *aux, const char *pnp) 125 { 126 struct scsipi_channel *chan = aux; 127 struct scsipi_adapter *adapt = chan->chan_adapter; 128 129 /* only "scsibus"es can attach to "scsi"s; easy. */ 130 if (pnp) 131 aprint_normal("scsibus at %s", pnp); 132 133 /* don't print channel if the controller says there can be only one. */ 134 if (adapt->adapt_nchannels != 1) 135 aprint_normal(" channel %d", chan->chan_channel); 136 137 return (UNCONF); 138 } 139 140 static int 141 scsibusmatch(struct device *parent, struct cfdata *cf, void *aux) 142 { 143 struct scsipi_channel *chan = aux; 144 145 if (chan->chan_bustype->bustype_type != SCSIPI_BUSTYPE_SCSI) 146 return 0; 147 148 if (cf->cf_loc[SCSICF_CHANNEL] != chan->chan_channel && 149 cf->cf_loc[SCSICF_CHANNEL] != SCSICF_CHANNEL_DEFAULT) 150 return (0); 151 152 return (1); 153 } 154 155 static void 156 scsibusattach(struct device *parent, struct device *self, void *aux) 157 { 158 struct scsibus_softc *sc = device_private(self); 159 struct scsipi_channel *chan = aux; 160 struct scsi_initq *scsi_initq; 161 int maj = cdevsw_lookup_major(&scsibus_cdevsw); 162 163 if (!pmf_device_register(self, NULL, NULL)) 164 aprint_error_dev(self, "couldn't establish power handler\n"); 165 166 sc->sc_dev = self; 167 sc->sc_channel = chan; 168 chan->chan_name = device_xname(sc->sc_dev); 169 170 aprint_naive(": SCSI bus\n"); 171 aprint_normal(": %d target%s, %d lun%s per target\n", 172 chan->chan_ntargets, 173 chan->chan_ntargets == 1 ? "" : "s", 174 chan->chan_nluns, 175 chan->chan_nluns == 1 ? "" : "s"); 176 177 if (scsipi_adapter_addref(chan->chan_adapter)) 178 return; 179 180 /* Initialize the channel structure first */ 181 chan->chan_init_cb = scsibus_config; 182 chan->chan_init_cb_arg = sc; 183 184 scsi_initq = malloc(sizeof(struct scsi_initq), M_DEVBUF, M_WAITOK); 185 scsi_initq->sc_channel = chan; 186 TAILQ_INSERT_TAIL(&scsi_initq_head, scsi_initq, scsi_initq); 187 config_pending_incr(); 188 if (scsipi_channel_init(chan)) { 189 aprint_error_dev(sc->sc_dev, "failed to init channel\n"); 190 return; 191 } 192 193 device_register_name(makedev(maj, device_unit(self)), self, true, 194 DEV_OTHER, device_xname(self)); 195 } 196 197 static void 198 scsibus_config(struct scsipi_channel *chan, void *arg) 199 { 200 struct scsibus_softc *sc = arg; 201 struct scsi_initq *scsi_initq; 202 203 #ifndef SCSI_DELAY 204 #define SCSI_DELAY 2 205 #endif 206 if ((chan->chan_flags & SCSIPI_CHAN_NOSETTLE) == 0 && 207 SCSI_DELAY > 0) { 208 aprint_normal_dev(sc->sc_dev, 209 "waiting %d seconds for devices to settle...\n", 210 SCSI_DELAY); 211 /* ...an identifier we know no one will use... */ 212 (void) tsleep(scsibus_config, PRIBIO, 213 "scsidly", SCSI_DELAY * hz); 214 } 215 216 /* Make sure the devices probe in scsibus order to avoid jitter. */ 217 simple_lock(&scsibus_interlock); 218 for (;;) { 219 scsi_initq = TAILQ_FIRST(&scsi_initq_head); 220 if (scsi_initq->sc_channel == chan) 221 break; 222 ltsleep(&scsi_initq_head, PRIBIO, "scsi_initq", 0, 223 &scsibus_interlock); 224 } 225 226 simple_unlock(&scsibus_interlock); 227 228 scsi_probe_bus(sc, -1, -1); 229 230 simple_lock(&scsibus_interlock); 231 TAILQ_REMOVE(&scsi_initq_head, scsi_initq, scsi_initq); 232 simple_unlock(&scsibus_interlock); 233 234 free(scsi_initq, M_DEVBUF); 235 wakeup(&scsi_initq_head); 236 237 scsipi_adapter_delref(chan->chan_adapter); 238 239 config_pending_decr(); 240 } 241 242 static int 243 scsibusactivate(struct device *self, enum devact act) 244 { 245 struct scsibus_softc *sc = device_private(self); 246 struct scsipi_channel *chan = sc->sc_channel; 247 struct scsipi_periph *periph; 248 int target, lun, error = 0, s; 249 250 s = splbio(); 251 switch (act) { 252 case DVACT_ACTIVATE: 253 error = EOPNOTSUPP; 254 break; 255 256 case DVACT_DEACTIVATE: 257 for (target = 0; target < chan->chan_ntargets; 258 target++) { 259 if (target == chan->chan_id) 260 continue; 261 for (lun = 0; lun < chan->chan_nluns; lun++) { 262 periph = scsipi_lookup_periph(chan, 263 target, lun); 264 if (periph == NULL) 265 continue; 266 error = config_deactivate(periph->periph_dev); 267 if (error) 268 goto out; 269 } 270 } 271 break; 272 } 273 out: 274 splx(s); 275 return (error); 276 } 277 278 static int 279 scsibusdetach(struct device *self, int flags) 280 { 281 struct scsibus_softc *sc = device_private(self); 282 struct scsipi_channel *chan = sc->sc_channel; 283 struct scsipi_periph *periph; 284 int ctarget, clun; 285 struct scsipi_xfer *xs; 286 int error; 287 288 device_deregister_all(self); 289 pmf_device_deregister(self); 290 291 /* 292 * Process outstanding commands (which will never complete as the 293 * controller is gone). 294 */ 295 for (ctarget = 0; ctarget < chan->chan_ntargets; ctarget++) { 296 if (ctarget == chan->chan_id) 297 continue; 298 for (clun = 0; clun < chan->chan_nluns; clun++) { 299 periph = scsipi_lookup_periph(chan, ctarget, clun); 300 if (periph == NULL) 301 continue; 302 TAILQ_FOREACH(xs, &periph->periph_xferq, device_q) { 303 callout_stop(&xs->xs_callout); 304 xs->error = XS_DRIVER_STUFFUP; 305 scsipi_done(xs); 306 } 307 } 308 } 309 310 /* 311 * Detach all of the periphs. 312 */ 313 error = scsipi_target_detach(chan, -1, -1, flags); 314 315 /* 316 * Now shut down the channel. 317 * XXX only if no errors ? 318 */ 319 scsipi_channel_shutdown(chan); 320 return (error); 321 } 322 323 /* 324 * Probe the requested scsi bus. It must be already set up. 325 * target and lun optionally narrow the search if not -1 326 */ 327 int 328 scsi_probe_bus(struct scsibus_softc *sc, int target, int lun) 329 { 330 struct scsipi_channel *chan = sc->sc_channel; 331 int maxtarget, mintarget, maxlun, minlun; 332 int error; 333 334 if (target == -1) { 335 maxtarget = chan->chan_ntargets - 1; 336 mintarget = 0; 337 } else { 338 if (target < 0 || target >= chan->chan_ntargets) 339 return (EINVAL); 340 maxtarget = mintarget = target; 341 } 342 343 if (lun == -1) { 344 maxlun = chan->chan_nluns - 1; 345 minlun = 0; 346 } else { 347 if (lun < 0 || lun >= chan->chan_nluns) 348 return (EINVAL); 349 maxlun = minlun = lun; 350 } 351 352 /* 353 * Some HBAs provide an abstracted view of the bus; give them an 354 * oppertunity to re-scan it before we do. 355 */ 356 if (chan->chan_adapter->adapt_ioctl != NULL) 357 (*chan->chan_adapter->adapt_ioctl)(chan, SCBUSIOLLSCAN, NULL, 358 0, curproc); 359 360 if ((error = scsipi_adapter_addref(chan->chan_adapter)) != 0) 361 return (error); 362 for (target = mintarget; target <= maxtarget; target++) { 363 if (target == chan->chan_id) 364 continue; 365 for (lun = minlun; lun <= maxlun; lun++) { 366 /* 367 * See if there's a device present, and configure it. 368 */ 369 if (scsi_probe_device(sc, target, lun) == 0) 370 break; 371 /* otherwise something says we should look further */ 372 } 373 374 /* 375 * Now that we've discovered all of the LUNs on this 376 * I_T Nexus, update the xfer mode for all of them 377 * that we know about. 378 */ 379 scsipi_set_xfer_mode(chan, target, 1); 380 } 381 scsipi_adapter_delref(chan->chan_adapter); 382 return (0); 383 } 384 385 static int 386 scsibusrescan(struct device *sc, const char *ifattr, 387 const int *locators) 388 { 389 390 KASSERT(ifattr && !strcmp(ifattr, "scsibus")); 391 KASSERT(locators); 392 393 return (scsi_probe_bus(device_private(sc), 394 locators[SCSIBUSCF_TARGET], locators[SCSIBUSCF_LUN])); 395 } 396 397 static void 398 scsidevdetached(struct device *sc, struct device *dev) 399 { 400 struct scsibus_softc *ssc = device_private(sc); 401 struct scsipi_channel *chan = ssc->sc_channel; 402 struct scsipi_periph *periph; 403 int target, lun; 404 405 target = device_locator(dev, SCSIBUSCF_TARGET); 406 lun = device_locator(dev, SCSIBUSCF_LUN); 407 408 periph = scsipi_lookup_periph(chan, target, lun); 409 KASSERT(periph->periph_dev == dev); 410 411 scsipi_remove_periph(chan, periph); 412 free(periph, M_DEVBUF); 413 } 414 415 /* 416 * Print out autoconfiguration information for a subdevice. 417 * 418 * This is a slight abuse of 'standard' autoconfiguration semantics, 419 * because 'print' functions don't normally print the colon and 420 * device information. However, in this case that's better than 421 * either printing redundant information before the attach message, 422 * or having the device driver call a special function to print out 423 * the standard device information. 424 */ 425 static int 426 scsibusprint(void *aux, const char *pnp) 427 { 428 struct scsipibus_attach_args *sa = aux; 429 struct scsipi_inquiry_pattern *inqbuf; 430 u_int8_t type; 431 const char *dtype; 432 char vendor[33], product[65], revision[17]; 433 int target, lun; 434 435 if (pnp != NULL) 436 aprint_normal("%s", pnp); 437 438 inqbuf = &sa->sa_inqbuf; 439 440 target = sa->sa_periph->periph_target; 441 lun = sa->sa_periph->periph_lun; 442 type = inqbuf->type & SID_TYPE; 443 444 dtype = scsipi_dtype(type); 445 446 scsipi_strvis(vendor, 33, inqbuf->vendor, 8); 447 scsipi_strvis(product, 65, inqbuf->product, 16); 448 scsipi_strvis(revision, 17, inqbuf->revision, 4); 449 450 aprint_normal(" target %d lun %d: <%s, %s, %s> %s %s", 451 target, lun, vendor, product, revision, dtype, 452 inqbuf->removable ? "removable" : "fixed"); 453 454 return (UNCONF); 455 } 456 457 static const struct scsi_quirk_inquiry_pattern scsi_quirk_patterns[] = { 458 {{T_CDROM, T_REMOV, 459 "CHINON ", "CD-ROM CDS-431 ", ""}, PQUIRK_NOLUNS}, 460 {{T_CDROM, T_REMOV, 461 "CHINON ", "CD-ROM CDS-435 ", ""}, PQUIRK_NOLUNS}, 462 {{T_CDROM, T_REMOV, 463 "Chinon ", "CD-ROM CDS-525 ", ""}, PQUIRK_NOLUNS}, 464 {{T_CDROM, T_REMOV, 465 "CHINON ", "CD-ROM CDS-535 ", ""}, PQUIRK_NOLUNS}, 466 {{T_CDROM, T_REMOV, 467 "DEC ", "RRD42 (C) DEC ", ""}, PQUIRK_NOLUNS}, 468 {{T_CDROM, T_REMOV, 469 "DENON ", "DRD-25X ", "V"}, PQUIRK_NOLUNS}, 470 {{T_CDROM, T_REMOV, 471 "GENERIC ", "CRD-BP2 ", ""}, PQUIRK_NOLUNS}, 472 {{T_CDROM, T_REMOV, 473 "HP ", "C4324/C4325 ", ""}, PQUIRK_NOLUNS}, 474 {{T_CDROM, T_REMOV, 475 "IMS ", "CDD521/10 ", "2.06"}, PQUIRK_NOLUNS}, 476 {{T_CDROM, T_REMOV, 477 "MATSHITA", "CD-ROM CR-5XX ", "1.0b"}, PQUIRK_NOLUNS}, 478 {{T_CDROM, T_REMOV, 479 "MEDAVIS ", "RENO CD-ROMX2A ", ""}, PQUIRK_NOLUNS}, 480 {{T_CDROM, T_REMOV, 481 "MEDIAVIS", "CDR-H93MV ", "1.3"}, PQUIRK_NOLUNS}, 482 {{T_CDROM, T_REMOV, 483 "NEC ", "CD-ROM DRIVE:502", ""}, PQUIRK_NOLUNS}, 484 {{T_CDROM, T_REMOV, 485 "NEC ", "CD-ROM DRIVE:55 ", ""}, PQUIRK_NOLUNS}, 486 {{T_CDROM, T_REMOV, 487 "NEC ", "CD-ROM DRIVE:83 ", ""}, PQUIRK_NOLUNS}, 488 {{T_CDROM, T_REMOV, 489 "NEC ", "CD-ROM DRIVE:84 ", ""}, PQUIRK_NOLUNS}, 490 {{T_CDROM, T_REMOV, 491 "NEC ", "CD-ROM DRIVE:841", ""}, PQUIRK_NOLUNS}, 492 {{T_CDROM, T_REMOV, 493 "OLYMPUS ", "CDS620E ", "1.1d"}, 494 PQUIRK_NOLUNS|PQUIRK_NOSYNC|PQUIRK_NOCAPACITY}, 495 {{T_CDROM, T_REMOV, 496 "PIONEER ", "CD-ROM DR-124X ", "1.01"}, PQUIRK_NOLUNS}, 497 {{T_CDROM, T_REMOV, 498 "PLEXTOR ", "CD-ROM PX-4XCS ", "1.01"}, 499 PQUIRK_NOLUNS|PQUIRK_NOSYNC}, 500 {{T_CDROM, T_REMOV, 501 "SONY ", "CD-ROM CDU-541 ", ""}, PQUIRK_NOLUNS}, 502 {{T_CDROM, T_REMOV, 503 "SONY ", "CD-ROM CDU-55S ", ""}, PQUIRK_NOLUNS}, 504 {{T_CDROM, T_REMOV, 505 "SONY ", "CD-ROM CDU-561 ", ""}, PQUIRK_NOLUNS}, 506 {{T_CDROM, T_REMOV, 507 "SONY ", "CD-ROM CDU-76S", ""}, 508 PQUIRK_NOLUNS|PQUIRK_NOSYNC|PQUIRK_NOWIDE}, 509 {{T_CDROM, T_REMOV, 510 "SONY ", "CD-ROM CDU-8003A", ""}, PQUIRK_NOLUNS}, 511 {{T_CDROM, T_REMOV, 512 "SONY ", "CD-ROM CDU-8012 ", ""}, PQUIRK_NOLUNS}, 513 {{T_CDROM, T_REMOV, 514 "TEAC ", "CD-ROM ", "1.06"}, PQUIRK_NOLUNS}, 515 {{T_CDROM, T_REMOV, 516 "TEAC ", "CD-ROM CD-56S ", "1.0B"}, PQUIRK_NOLUNS}, 517 {{T_CDROM, T_REMOV, 518 "TEXEL ", "CD-ROM ", "1.06"}, PQUIRK_NOLUNS}, 519 {{T_CDROM, T_REMOV, 520 "TEXEL ", "CD-ROM DM-XX24 K", "1.09"}, PQUIRK_NOLUNS}, 521 {{T_CDROM, T_REMOV, 522 "TEXEL ", "CD-ROM DM-XX24 K", "1.10"}, PQUIRK_NOLUNS}, 523 {{T_CDROM, T_REMOV, 524 "TOSHIBA ", "XM-4101TASUNSLCD", ""}, PQUIRK_NOLUNS|PQUIRK_NOSYNC}, 525 /* "IBM CDRM00201 !F" 0724 is an IBM OEM Toshiba XM-4101BME */ 526 {{T_CDROM, T_REMOV, 527 "IBM ", "CDRM00201 !F", "0724"}, PQUIRK_NOLUNS|PQUIRK_NOSYNC}, 528 {{T_CDROM, T_REMOV, 529 "ShinaKen", "CD-ROM DM-3x1S", "1.04"}, PQUIRK_NOLUNS}, 530 {{T_CDROM, T_REMOV, 531 "JVC ", "R2626", ""}, PQUIRK_NOLUNS}, 532 {{T_CDROM, T_REMOV, 533 "YAMAHA", "CRW8424S", ""}, PQUIRK_NOLUNS}, 534 {{T_CDROM, T_REMOV, 535 "NEC ", "CD-ROM DRIVE:222", ""}, PQUIRK_NOLUNS|PQUIRK_NOSYNC}, 536 537 {{T_DIRECT, T_FIXED, 538 "MICROP ", "1588-15MBSUN0669", ""}, PQUIRK_AUTOSAVE}, 539 {{T_DIRECT, T_FIXED, 540 "MICROP ", "2217-15MQ1091501", ""}, PQUIRK_NOSYNCCACHE}, 541 {{T_OPTICAL, T_REMOV, 542 "EPSON ", "OMD-5010 ", "3.08"}, PQUIRK_NOLUNS}, 543 {{T_DIRECT, T_FIXED, 544 "ADAPTEC ", "AEC-4412BD", "1.2A"}, PQUIRK_NOMODESENSE}, 545 {{T_DIRECT, T_FIXED, 546 "ADAPTEC ", "ACB-4000", ""}, PQUIRK_FORCELUNS|PQUIRK_AUTOSAVE|PQUIRK_NOMODESENSE}, 547 {{T_DIRECT, T_FIXED, 548 "DEC ", "RZ55 (C) DEC", ""}, PQUIRK_AUTOSAVE}, 549 {{T_DIRECT, T_FIXED, 550 "EMULEX ", "MD21/S2 ESDI", "A00"}, 551 PQUIRK_FORCELUNS|PQUIRK_AUTOSAVE}, 552 {{T_DIRECT, T_FIXED, 553 "MICROP", "1548-15MZ1077801", "HZ2P"}, PQUIRK_NOTAG}, 554 {{T_DIRECT, T_FIXED, 555 "HP ", "C372", ""}, PQUIRK_NOTAG}, 556 {{T_DIRECT, T_FIXED, 557 "IBMRAID ", "0662S", ""}, PQUIRK_AUTOSAVE}, 558 {{T_DIRECT, T_FIXED, 559 "IBM ", "0663H", ""}, PQUIRK_AUTOSAVE}, 560 {{T_DIRECT, T_FIXED, 561 "IBM", "0664", ""}, PQUIRK_AUTOSAVE}, 562 {{T_DIRECT, T_FIXED, 563 /* improperly report DT-only sync mode */ 564 "IBM ", "DXHS36D", ""}, 565 PQUIRK_CAP_SYNC|PQUIRK_CAP_WIDE16}, 566 {{T_DIRECT, T_FIXED, 567 "IBM ", "DXHS18Y", ""}, 568 PQUIRK_CAP_SYNC|PQUIRK_CAP_WIDE16}, 569 {{T_DIRECT, T_FIXED, 570 "IBM ", "H3171-S2", ""}, 571 PQUIRK_NOLUNS|PQUIRK_AUTOSAVE}, 572 {{T_DIRECT, T_FIXED, 573 "IBM ", "KZ-C", ""}, PQUIRK_AUTOSAVE}, 574 /* Broken IBM disk */ 575 {{T_DIRECT, T_FIXED, 576 "" , "DFRSS2F", ""}, PQUIRK_AUTOSAVE}, 577 {{T_DIRECT, T_FIXED, 578 "Initio ", "", ""}, PQUIRK_NOBIGMODESENSE}, 579 {{T_DIRECT, T_REMOV, 580 "MPL ", "MC-DISK- ", ""}, PQUIRK_NOLUNS}, 581 {{T_DIRECT, T_FIXED, 582 "MAXTOR ", "XT-3280 ", ""}, PQUIRK_NOLUNS}, 583 {{T_DIRECT, T_FIXED, 584 "MAXTOR ", "XT-4380S ", ""}, PQUIRK_NOLUNS}, 585 {{T_DIRECT, T_FIXED, 586 "MAXTOR ", "MXT-1240S ", ""}, PQUIRK_NOLUNS}, 587 {{T_DIRECT, T_FIXED, 588 "MAXTOR ", "XT-4170S ", ""}, PQUIRK_NOLUNS}, 589 {{T_DIRECT, T_FIXED, 590 "MAXTOR ", "XT-8760S", ""}, PQUIRK_NOLUNS}, 591 {{T_DIRECT, T_FIXED, 592 "MAXTOR ", "LXT-213S ", ""}, PQUIRK_NOLUNS}, 593 {{T_DIRECT, T_FIXED, 594 "MAXTOR ", "LXT-213S SUN0207", ""}, PQUIRK_NOLUNS}, 595 {{T_DIRECT, T_FIXED, 596 "MAXTOR ", "LXT-200S ", ""}, PQUIRK_NOLUNS}, 597 {{T_DIRECT, T_FIXED, 598 "MEGADRV ", "EV1000", ""}, PQUIRK_NOMODESENSE}, 599 {{T_DIRECT, T_FIXED, 600 "MICROP", "1991-27MZ", ""}, PQUIRK_NOTAG}, 601 {{T_DIRECT, T_FIXED, 602 "MST ", "SnapLink ", ""}, PQUIRK_NOLUNS}, 603 {{T_DIRECT, T_FIXED, 604 "NEC ", "D3847 ", "0307"}, PQUIRK_NOLUNS}, 605 {{T_DIRECT, T_FIXED, 606 "QUANTUM ", "ELS85S ", ""}, PQUIRK_AUTOSAVE}, 607 {{T_DIRECT, T_FIXED, 608 "QUANTUM ", "LPS525S ", ""}, PQUIRK_NOLUNS}, 609 {{T_DIRECT, T_FIXED, 610 "QUANTUM ", "P105S 910-10-94x", ""}, PQUIRK_NOLUNS}, 611 {{T_DIRECT, T_FIXED, 612 "QUANTUM ", "PD1225S ", ""}, PQUIRK_NOLUNS}, 613 {{T_DIRECT, T_FIXED, 614 "QUANTUM ", "PD210S SUN0207", ""}, PQUIRK_NOLUNS}, 615 {{T_DIRECT, T_FIXED, 616 "QUANTUM ", "ATLAS IV 9 WLS", "0A0A"}, PQUIRK_CAP_NODT}, 617 {{T_DIRECT, T_FIXED, 618 "RODIME ", "RO3000S ", ""}, PQUIRK_NOLUNS}, 619 {{T_DIRECT, T_FIXED, 620 "SEAGATE ", "ST125N ", ""}, PQUIRK_NOLUNS}, 621 {{T_DIRECT, T_FIXED, 622 "SEAGATE ", "ST157N ", ""}, PQUIRK_NOLUNS}, 623 {{T_DIRECT, T_FIXED, 624 "SEAGATE ", "ST296 ", ""}, PQUIRK_NOLUNS}, 625 {{T_DIRECT, T_FIXED, 626 "SEAGATE ", "ST296N ", ""}, PQUIRK_NOLUNS}, 627 {{T_DIRECT, T_FIXED, 628 "SEAGATE ", "ST318404LC ", ""}, PQUIRK_NOLUNS}, 629 {{T_DIRECT, T_FIXED, 630 "SEAGATE ", "ST15150N ", ""}, PQUIRK_NOTAG}, 631 {{T_DIRECT, T_FIXED, 632 "SEAGATE ", "ST19171", ""}, PQUIRK_NOMODESENSE}, 633 {{T_DIRECT, T_FIXED, 634 "SEAGATE ", "ST32430N", ""}, PQUIRK_CAP_SYNC}, 635 {{T_DIRECT, T_FIXED, 636 "SEAGATE ", "ST34501FC ", ""}, PQUIRK_NOMODESENSE}, 637 {{T_DIRECT, T_FIXED, 638 "SEAGATE ", "SX910800N", ""}, PQUIRK_NOTAG}, 639 {{T_DIRECT, T_FIXED, 640 "TOSHIBA ", "MK538FB ", "6027"}, PQUIRK_NOLUNS}, 641 {{T_DIRECT, T_FIXED, 642 "MICROP ", "1924", ""}, PQUIRK_CAP_SYNC}, 643 {{T_DIRECT, T_FIXED, 644 "FUJITSU ", "M2266", ""}, PQUIRK_CAP_SYNC}, 645 {{T_DIRECT, T_FIXED, 646 "FUJITSU ", "M2624S-512 ", ""}, PQUIRK_CAP_SYNC}, 647 {{T_DIRECT, T_FIXED, 648 "SEAGATE ", "SX336704LC" , ""}, PQUIRK_CAP_SYNC | PQUIRK_CAP_WIDE16}, 649 650 {{T_DIRECT, T_REMOV, 651 "IOMEGA", "ZIP 100", "J.03"}, PQUIRK_NOLUNS}, 652 {{T_DIRECT, T_REMOV, 653 "INSITE", "I325VM", ""}, PQUIRK_NOLUNS}, 654 655 /* XXX: QIC-36 tape behind Emulex adapter. Very broken. */ 656 {{T_SEQUENTIAL, T_REMOV, 657 " ", " ", " "}, PQUIRK_NOLUNS}, 658 {{T_SEQUENTIAL, T_REMOV, 659 "EMULEX ", "MT-02 QIC ", ""}, PQUIRK_NOLUNS}, 660 {{T_SEQUENTIAL, T_REMOV, 661 "CALIPER ", "CP150 ", ""}, PQUIRK_NOLUNS}, 662 {{T_SEQUENTIAL, T_REMOV, 663 "EXABYTE ", "EXB-8200 ", ""}, PQUIRK_NOLUNS}, 664 {{T_SEQUENTIAL, T_REMOV, 665 "SONY ", "GY-10C ", ""}, PQUIRK_NOLUNS}, 666 {{T_SEQUENTIAL, T_REMOV, 667 "SONY ", "SDT-2000 ", "2.09"}, PQUIRK_NOLUNS}, 668 {{T_SEQUENTIAL, T_REMOV, 669 "SONY ", "SDT-5000 ", "3."}, PQUIRK_NOSYNC|PQUIRK_NOWIDE}, 670 {{T_SEQUENTIAL, T_REMOV, 671 "SONY ", "SDT-5200 ", "3."}, PQUIRK_NOLUNS}, 672 {{T_SEQUENTIAL, T_REMOV, 673 "TANDBERG", " TDC 3600 ", ""}, PQUIRK_NOLUNS}, 674 /* Following entry reported as a Tandberg 3600; ref. PR1933 */ 675 {{T_SEQUENTIAL, T_REMOV, 676 "ARCHIVE ", "VIPER 150 21247", ""}, PQUIRK_NOLUNS}, 677 /* Following entry for a Cipher ST150S; ref. PR4171 */ 678 {{T_SEQUENTIAL, T_REMOV, 679 "ARCHIVE ", "VIPER 1500 21247", "2.2G"}, PQUIRK_NOLUNS}, 680 {{T_SEQUENTIAL, T_REMOV, 681 "ARCHIVE ", "Python 28454-XXX", ""}, PQUIRK_NOLUNS}, 682 {{T_SEQUENTIAL, T_REMOV, 683 "WANGTEK ", "5099ES SCSI", ""}, PQUIRK_NOLUNS}, 684 {{T_SEQUENTIAL, T_REMOV, 685 "WANGTEK ", "5150ES SCSI", ""}, PQUIRK_NOLUNS}, 686 {{T_SEQUENTIAL, T_REMOV, 687 "WANGTEK ", "SCSI-36", ""}, PQUIRK_NOLUNS}, 688 {{T_SEQUENTIAL, T_REMOV, 689 "WangDAT ", "Model 1300 ", "02.4"}, PQUIRK_NOSYNC|PQUIRK_NOWIDE}, 690 {{T_SEQUENTIAL, T_REMOV, 691 "WangDAT ", "Model 2600 ", "01.7"}, PQUIRK_NOSYNC|PQUIRK_NOWIDE}, 692 {{T_SEQUENTIAL, T_REMOV, 693 "WangDAT ", "Model 3200 ", "02.2"}, PQUIRK_NOSYNC|PQUIRK_NOWIDE}, 694 {{T_SEQUENTIAL, T_REMOV, 695 "TEAC ", "MT-2ST/N50 ", ""}, PQUIRK_NOLUNS}, 696 697 {{T_SCANNER, T_FIXED, 698 "RICOH ", "IS60 ", "1R08"}, PQUIRK_NOLUNS}, 699 {{T_SCANNER, T_FIXED, 700 "UMAX ", "Astra 1200S ", "V2.9"}, PQUIRK_NOLUNS}, 701 {{T_SCANNER, T_FIXED, 702 "UMAX ", "Astra 1220S ", ""}, PQUIRK_NOLUNS}, 703 {{T_SCANNER, T_FIXED, 704 "UMAX ", "UMAX S-6E ", "V2.0"}, PQUIRK_NOLUNS}, 705 {{T_SCANNER, T_FIXED, 706 "UMAX ", "UMAX S-12 ", "V2.1"}, PQUIRK_NOLUNS}, 707 {{T_SCANNER, T_FIXED, 708 "ULTIMA ", "A6000C ", ""}, PQUIRK_NOLUNS}, 709 {{T_PROCESSOR, T_FIXED, 710 "ESG-SHV", "SCA HSBP M15", ""}, PQUIRK_NOLUNS}, 711 {{T_PROCESSOR, T_FIXED, 712 "SYMBIOS", "", ""}, PQUIRK_NOLUNS}, 713 {{T_PROCESSOR, T_FIXED, 714 "LITRONIC", "PCMCIA ", ""}, PQUIRK_NOLUNS}, 715 {{T_CHANGER, T_REMOV, 716 "SONY ", "CDL1100 ", ""}, PQUIRK_NOLUNS}, 717 {{T_ENCLOSURE, T_FIXED, 718 "SUN ", "SENA ", ""}, PQUIRK_NOLUNS}, 719 }; 720 721 /* 722 * given a target and lun, ask the device what 723 * it is, and find the correct driver table 724 * entry. 725 */ 726 static int 727 scsi_probe_device(struct scsibus_softc *sc, int target, int lun) 728 { 729 struct scsipi_channel *chan = sc->sc_channel; 730 struct scsipi_periph *periph; 731 struct scsipi_inquiry_data inqbuf; 732 const struct scsi_quirk_inquiry_pattern *finger; 733 int checkdtype, priority, docontinue, quirks; 734 struct scsipibus_attach_args sa; 735 struct cfdata *cf; 736 int locs[SCSIBUSCF_NLOCS]; 737 struct device *chld; 738 739 /* 740 * Assume no more luns to search after this one. 741 * If we successfully get Inquiry data and after 742 * merging quirks we find we can probe for more 743 * luns, we will. 744 */ 745 docontinue = 0; 746 747 /* Skip this slot if it is already attached. */ 748 if (scsipi_lookup_periph(chan, target, lun) != NULL) 749 return (docontinue); 750 751 periph = scsipi_alloc_periph(M_NOWAIT); 752 if (periph == NULL) { 753 #ifdef DIAGNOSTIC 754 aprint_error_dev(sc->sc_dev, 755 "cannot allocate periph for target %d lun %d\n", 756 target, lun); 757 #endif 758 return (ENOMEM); 759 } 760 periph->periph_channel = chan; 761 periph->periph_switch = &scsi_probe_dev; 762 763 periph->periph_target = target; 764 periph->periph_lun = lun; 765 periph->periph_quirks = chan->chan_defquirks; 766 767 #ifdef SCSIPI_DEBUG 768 if (SCSIPI_DEBUG_TYPE == SCSIPI_BUSTYPE_SCSI && 769 SCSIPI_DEBUG_TARGET == target && 770 SCSIPI_DEBUG_LUN == lun) 771 periph->periph_dbflags |= SCSIPI_DEBUG_FLAGS; 772 #endif 773 774 /* 775 * Ask the device what it is 776 */ 777 778 #ifdef SCSI_2_DEF 779 /* some devices need to be told to go to SCSI2 */ 780 /* However some just explode if you tell them this.. leave it out */ 781 scsi_change_def(periph, XS_CTL_DISCOVERY | XS_CTL_SILENT); 782 #endif /* SCSI_2_DEF */ 783 784 /* Now go ask the device all about itself. */ 785 memset(&inqbuf, 0, sizeof(inqbuf)); 786 { 787 u_int8_t *extension = &inqbuf.flags1; 788 int len = 0; 789 while (len < 3) 790 extension[len++] = '\0'; 791 while (len < 3 + 28) 792 extension[len++] = ' '; 793 while (len < 3 + 28 + 20) 794 extension[len++] = '\0'; 795 while (len < 3 + 28 + 20 + 1) 796 extension[len++] = '\0'; 797 while (len < 3 + 28 + 20 + 1 + 1) 798 extension[len++] = '\0'; 799 while (len < 3 + 28 + 20 + 1 + 1 + (8*2)) 800 extension[len++] = ' '; 801 } 802 if (scsipi_inquire(periph, &inqbuf, 803 XS_CTL_DISCOVERY | XS_CTL_DATA_ONSTACK | XS_CTL_SILENT) != 0) 804 goto bad; 805 806 periph->periph_type = inqbuf.device & SID_TYPE; 807 if (inqbuf.dev_qual2 & SID_REMOVABLE) 808 periph->periph_flags |= PERIPH_REMOVABLE; 809 periph->periph_version = inqbuf.version & SID_ANSII; 810 811 /* 812 * Any device qualifier that has the top bit set (qualifier&4 != 0) 813 * is vendor specific and won't match in this switch. 814 * All we do here is throw out bad/negative responses. 815 */ 816 checkdtype = 0; 817 switch (inqbuf.device & SID_QUAL) { 818 case SID_QUAL_LU_PRESENT: 819 checkdtype = 1; 820 break; 821 822 case SID_QUAL_LU_NOTPRESENT: 823 case SID_QUAL_reserved: 824 case SID_QUAL_LU_NOT_SUPP: 825 goto bad; 826 827 default: 828 break; 829 } 830 831 /* Let the adapter driver handle the device separatley if it wants. */ 832 if (chan->chan_adapter->adapt_accesschk != NULL && 833 (*chan->chan_adapter->adapt_accesschk)(periph, &sa.sa_inqbuf)) 834 goto bad; 835 836 if (checkdtype) { 837 switch (periph->periph_type) { 838 case T_DIRECT: 839 case T_SEQUENTIAL: 840 case T_PRINTER: 841 case T_PROCESSOR: 842 case T_WORM: 843 case T_CDROM: 844 case T_SCANNER: 845 case T_OPTICAL: 846 case T_CHANGER: 847 case T_COMM: 848 case T_IT8_1: 849 case T_IT8_2: 850 case T_STORARRAY: 851 case T_ENCLOSURE: 852 case T_SIMPLE_DIRECT: 853 case T_OPTIC_CARD_RW: 854 case T_OBJECT_STORED: 855 default: 856 break; 857 case T_NODEVICE: 858 goto bad; 859 } 860 } 861 862 sa.sa_periph = periph; 863 sa.sa_inqbuf.type = inqbuf.device; 864 sa.sa_inqbuf.removable = inqbuf.dev_qual2 & SID_REMOVABLE ? 865 T_REMOV : T_FIXED; 866 sa.sa_inqbuf.vendor = inqbuf.vendor; 867 sa.sa_inqbuf.product = inqbuf.product; 868 sa.sa_inqbuf.revision = inqbuf.revision; 869 sa.scsipi_info.scsi_version = inqbuf.version; 870 sa.sa_inqptr = &inqbuf; 871 872 finger = scsipi_inqmatch( 873 &sa.sa_inqbuf, scsi_quirk_patterns, 874 sizeof(scsi_quirk_patterns)/sizeof(scsi_quirk_patterns[0]), 875 sizeof(scsi_quirk_patterns[0]), &priority); 876 877 if (finger != NULL) 878 quirks = finger->quirks; 879 else 880 quirks = 0; 881 882 /* 883 * Determine the operating mode capabilities of the device. 884 */ 885 if (periph->periph_version >= 2) { 886 if ((inqbuf.flags3 & SID_CmdQue) != 0 && 887 (quirks & PQUIRK_NOTAG) == 0) 888 periph->periph_cap |= PERIPH_CAP_TQING; 889 if ((inqbuf.flags3 & SID_Linked) != 0) 890 periph->periph_cap |= PERIPH_CAP_LINKCMDS; 891 if ((inqbuf.flags3 & SID_Sync) != 0 && 892 (quirks & PQUIRK_NOSYNC) == 0) 893 periph->periph_cap |= PERIPH_CAP_SYNC; 894 if ((inqbuf.flags3 & SID_WBus16) != 0 && 895 (quirks & PQUIRK_NOWIDE) == 0) 896 periph->periph_cap |= PERIPH_CAP_WIDE16; 897 if ((inqbuf.flags3 & SID_WBus32) != 0 && 898 (quirks & PQUIRK_NOWIDE) == 0) 899 periph->periph_cap |= PERIPH_CAP_WIDE32; 900 if ((inqbuf.flags3 & SID_SftRe) != 0) 901 periph->periph_cap |= PERIPH_CAP_SFTRESET; 902 if ((inqbuf.flags3 & SID_RelAdr) != 0) 903 periph->periph_cap |= PERIPH_CAP_RELADR; 904 /* SPC-2 */ 905 if (periph->periph_version >= 3 && 906 !(quirks & PQUIRK_CAP_NODT)){ 907 /* 908 * Report ST clocking though CAP_WIDExx/CAP_SYNC. 909 * If the device only supports DT, clear these 910 * flags (DT implies SYNC and WIDE) 911 */ 912 switch (inqbuf.flags4 & SID_Clocking) { 913 case SID_CLOCKING_DT_ONLY: 914 periph->periph_cap &= 915 ~(PERIPH_CAP_SYNC | 916 PERIPH_CAP_WIDE16 | 917 PERIPH_CAP_WIDE32); 918 /* FALLTHROUGH */ 919 case SID_CLOCKING_SD_DT: 920 periph->periph_cap |= PERIPH_CAP_DT; 921 break; 922 default: /* ST only or invalid */ 923 /* nothing to do */ 924 break; 925 } 926 } 927 if (periph->periph_version >= 3) { 928 if (inqbuf.flags4 & SID_IUS) 929 periph->periph_cap |= PERIPH_CAP_IUS; 930 if (inqbuf.flags4 & SID_QAS) 931 periph->periph_cap |= PERIPH_CAP_QAS; 932 } 933 } 934 if (quirks & PQUIRK_CAP_SYNC) 935 periph->periph_cap |= PERIPH_CAP_SYNC; 936 if (quirks & PQUIRK_CAP_WIDE16) 937 periph->periph_cap |= PERIPH_CAP_WIDE16; 938 939 /* 940 * Now apply any quirks from the table. 941 */ 942 periph->periph_quirks |= quirks; 943 if (periph->periph_version == 0 && 944 (periph->periph_quirks & PQUIRK_FORCELUNS) == 0) 945 periph->periph_quirks |= PQUIRK_NOLUNS; 946 947 if ((periph->periph_quirks & PQUIRK_NOLUNS) == 0) 948 docontinue = 1; 949 950 locs[SCSIBUSCF_TARGET] = target; 951 locs[SCSIBUSCF_LUN] = lun; 952 953 if ((cf = config_search_loc(config_stdsubmatch, sc->sc_dev, 954 "scsibus", locs, &sa)) != NULL) { 955 scsipi_insert_periph(chan, periph); 956 /* 957 * XXX Can't assign periph_dev here, because we'll 958 * XXX need it before config_attach() returns. Must 959 * XXX assign it in periph driver. 960 */ 961 chld = config_attach_loc(sc->sc_dev, cf, locs, &sa, 962 scsibusprint); 963 } else { 964 scsibusprint(&sa, device_xname(sc->sc_dev)); 965 aprint_normal(" not configured\n"); 966 goto bad; 967 } 968 969 return (docontinue); 970 971 bad: 972 free(periph, M_DEVBUF); 973 return (docontinue); 974 } 975 976 /****** Entry points for user control of the SCSI bus. ******/ 977 978 static int 979 scsibusopen(dev_t dev, int flag, int fmt, 980 struct lwp *l) 981 { 982 struct scsibus_softc *sc; 983 int error, unit = minor(dev); 984 985 sc = device_lookup_private(&scsibus_cd, unit); 986 if (sc == NULL) 987 return (ENXIO); 988 989 if (sc->sc_flags & SCSIBUSF_OPEN) 990 return (EBUSY); 991 992 if ((error = scsipi_adapter_addref(sc->sc_channel->chan_adapter)) != 0) 993 return (error); 994 995 sc->sc_flags |= SCSIBUSF_OPEN; 996 997 return (0); 998 } 999 1000 static int 1001 scsibusclose(dev_t dev, int flag, int fmt, 1002 struct lwp *l) 1003 { 1004 struct scsibus_softc *sc; 1005 1006 sc = device_lookup_private(&scsibus_cd, minor(dev)); 1007 scsipi_adapter_delref(sc->sc_channel->chan_adapter); 1008 1009 sc->sc_flags &= ~SCSIBUSF_OPEN; 1010 1011 return (0); 1012 } 1013 1014 static int 1015 scsibusioctl(dev_t dev, u_long cmd, void *addr, int flag, struct lwp *l) 1016 { 1017 struct scsibus_softc *sc; 1018 struct scsipi_channel *chan; 1019 int error; 1020 1021 sc = device_lookup_private(&scsibus_cd, minor(dev)); 1022 chan = sc->sc_channel; 1023 1024 /* 1025 * Enforce write permission for ioctls that change the 1026 * state of the bus. Host adapter specific ioctls must 1027 * be checked by the adapter driver. 1028 */ 1029 switch (cmd) { 1030 case SCBUSIOSCAN: 1031 case SCBUSIODETACH: 1032 case SCBUSIORESET: 1033 if ((flag & FWRITE) == 0) 1034 return (EBADF); 1035 } 1036 1037 switch (cmd) { 1038 case SCBUSIOSCAN: 1039 { 1040 struct scbusioscan_args *a = 1041 (struct scbusioscan_args *)addr; 1042 1043 error = scsi_probe_bus(sc, a->sa_target, a->sa_lun); 1044 break; 1045 } 1046 1047 case SCBUSIODETACH: 1048 { 1049 struct scbusiodetach_args *a = 1050 (struct scbusiodetach_args *)addr; 1051 1052 error = scsipi_target_detach(chan, a->sa_target, a->sa_lun, 0); 1053 break; 1054 } 1055 1056 1057 case SCBUSIORESET: 1058 /* FALLTHROUGH */ 1059 default: 1060 if (chan->chan_adapter->adapt_ioctl == NULL) 1061 error = ENOTTY; 1062 else 1063 error = (*chan->chan_adapter->adapt_ioctl)(chan, 1064 cmd, addr, flag, l->l_proc); 1065 break; 1066 } 1067 1068 return (error); 1069 } 1070
Indexes created Mon Sep 29 21:09:56 GMT 2025