1 /*- 2 * Implementation of the SCSI Transport 3 * 4 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 5 * 6 * Copyright (c) 1997, 1998, 1999 Justin T. Gibbs. 7 * Copyright (c) 1997, 1998, 1999 Kenneth D. Merry. 8 * All rights reserved. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions, and the following disclaimer, 15 * without modification, immediately at the beginning of the file. 16 * 2. The name of the author may not be used to endorse or promote products 17 * derived from this software without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 23 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 */ 31 32 #include <sys/cdefs.h> 33 __FBSDID("$FreeBSD$"); 34 35 #include <sys/param.h> 36 #include <sys/bus.h> 37 #include <sys/systm.h> 38 #include <sys/types.h> 39 #include <sys/malloc.h> 40 #include <sys/kernel.h> 41 #include <sys/time.h> 42 #include <sys/conf.h> 43 #include <sys/fcntl.h> 44 #include <sys/md5.h> 45 #include <sys/sbuf.h> 46 47 #include <sys/lock.h> 48 #include <sys/mutex.h> 49 #include <sys/sysctl.h> 50 51 #include <cam/cam.h> 52 #include <cam/cam_ccb.h> 53 #include <cam/cam_queue.h> 54 #include <cam/cam_periph.h> 55 #include <cam/cam_sim.h> 56 #include <cam/cam_xpt.h> 57 #include <cam/cam_xpt_sim.h> 58 #include <cam/cam_xpt_periph.h> 59 #include <cam/cam_xpt_internal.h> 60 #include <cam/cam_debug.h> 61 62 #include <cam/scsi/scsi_all.h> 63 #include <cam/scsi/scsi_message.h> 64 #include <cam/scsi/scsi_pass.h> 65 #include <machine/stdarg.h> /* for xpt_print below */ 66 #include "opt_cam.h" 67 68 struct scsi_quirk_entry { 69 struct scsi_inquiry_pattern inq_pat; 70 u_int8_t quirks; 71 #define CAM_QUIRK_NOLUNS 0x01 72 #define CAM_QUIRK_NOVPDS 0x02 73 #define CAM_QUIRK_HILUNS 0x04 74 #define CAM_QUIRK_NOHILUNS 0x08 75 #define CAM_QUIRK_NORPTLUNS 0x10 76 u_int mintags; 77 u_int maxtags; 78 }; 79 #define SCSI_QUIRK(dev) ((struct scsi_quirk_entry *)((dev)->quirk)) 80 81 static int cam_srch_hi = 0; 82 static int sysctl_cam_search_luns(SYSCTL_HANDLER_ARGS); 83 SYSCTL_PROC(_kern_cam, OID_AUTO, cam_srch_hi, 84 CTLTYPE_INT | CTLFLAG_RWTUN | CTLFLAG_NEEDGIANT, 0, 0, 85 sysctl_cam_search_luns, "I", 86 "allow search above LUN 7 for SCSI3 and greater devices"); 87 88 #define CAM_SCSI2_MAXLUN 8 89 #define CAM_CAN_GET_SIMPLE_LUN(x, i) \ 90 ((((x)->luns[i].lundata[0] & RPL_LUNDATA_ATYP_MASK) == \ 91 RPL_LUNDATA_ATYP_PERIPH) || \ 92 (((x)->luns[i].lundata[0] & RPL_LUNDATA_ATYP_MASK) == \ 93 RPL_LUNDATA_ATYP_FLAT)) 94 #define CAM_GET_SIMPLE_LUN(lp, i, lval) \ 95 if (((lp)->luns[(i)].lundata[0] & RPL_LUNDATA_ATYP_MASK) == \ 96 RPL_LUNDATA_ATYP_PERIPH) { \ 97 (lval) = (lp)->luns[(i)].lundata[1]; \ 98 } else { \ 99 (lval) = (lp)->luns[(i)].lundata[0]; \ 100 (lval) &= RPL_LUNDATA_FLAT_LUN_MASK; \ 101 (lval) <<= 8; \ 102 (lval) |= (lp)->luns[(i)].lundata[1]; \ 103 } 104 #define CAM_GET_LUN(lp, i, lval) \ 105 (lval) = scsi_8btou64((lp)->luns[(i)].lundata); \ 106 (lval) = CAM_EXTLUN_BYTE_SWIZZLE(lval); 107 108 /* 109 * If we're not quirked to search <= the first 8 luns 110 * and we are either quirked to search above lun 8, 111 * or we're > SCSI-2 and we've enabled hilun searching, 112 * or we're > SCSI-2 and the last lun was a success, 113 * we can look for luns above lun 8. 114 */ 115 #define CAN_SRCH_HI_SPARSE(dv) \ 116 (((SCSI_QUIRK(dv)->quirks & CAM_QUIRK_NOHILUNS) == 0) \ 117 && ((SCSI_QUIRK(dv)->quirks & CAM_QUIRK_HILUNS) \ 118 || (SID_ANSI_REV(&dv->inq_data) > SCSI_REV_2 && cam_srch_hi))) 119 120 #define CAN_SRCH_HI_DENSE(dv) \ 121 (((SCSI_QUIRK(dv)->quirks & CAM_QUIRK_NOHILUNS) == 0) \ 122 && ((SCSI_QUIRK(dv)->quirks & CAM_QUIRK_HILUNS) \ 123 || (SID_ANSI_REV(&dv->inq_data) > SCSI_REV_2))) 124 125 static periph_init_t probe_periph_init; 126 127 static struct periph_driver probe_driver = 128 { 129 probe_periph_init, "probe", 130 TAILQ_HEAD_INITIALIZER(probe_driver.units), /* generation */ 0, 131 CAM_PERIPH_DRV_EARLY 132 }; 133 134 PERIPHDRIVER_DECLARE(probe, probe_driver); 135 136 typedef enum { 137 PROBE_TUR, 138 PROBE_INQUIRY, /* this counts as DV0 for Basic Domain Validation */ 139 PROBE_FULL_INQUIRY, 140 PROBE_REPORT_LUNS, 141 PROBE_MODE_SENSE, 142 PROBE_SUPPORTED_VPD_LIST, 143 PROBE_DEVICE_ID, 144 PROBE_EXTENDED_INQUIRY, 145 PROBE_SERIAL_NUM, 146 PROBE_TUR_FOR_NEGOTIATION, 147 PROBE_INQUIRY_BASIC_DV1, 148 PROBE_INQUIRY_BASIC_DV2, 149 PROBE_DV_EXIT, 150 PROBE_DONE, 151 PROBE_INVALID 152 } probe_action; 153 154 static char *probe_action_text[] = { 155 "PROBE_TUR", 156 "PROBE_INQUIRY", 157 "PROBE_FULL_INQUIRY", 158 "PROBE_REPORT_LUNS", 159 "PROBE_MODE_SENSE", 160 "PROBE_SUPPORTED_VPD_LIST", 161 "PROBE_DEVICE_ID", 162 "PROBE_EXTENDED_INQUIRY", 163 "PROBE_SERIAL_NUM", 164 "PROBE_TUR_FOR_NEGOTIATION", 165 "PROBE_INQUIRY_BASIC_DV1", 166 "PROBE_INQUIRY_BASIC_DV2", 167 "PROBE_DV_EXIT", 168 "PROBE_DONE", 169 "PROBE_INVALID" 170 }; 171 172 #define PROBE_SET_ACTION(softc, newaction) \ 173 do { \ 174 char **text; \ 175 text = probe_action_text; \ 176 CAM_DEBUG((softc)->periph->path, CAM_DEBUG_PROBE, \ 177 ("Probe %s to %s\n", text[(softc)->action], \ 178 text[(newaction)])); \ 179 (softc)->action = (newaction); \ 180 } while(0) 181 182 typedef enum { 183 PROBE_INQUIRY_CKSUM = 0x01, 184 PROBE_SERIAL_CKSUM = 0x02, 185 PROBE_NO_ANNOUNCE = 0x04, 186 PROBE_EXTLUN = 0x08 187 } probe_flags; 188 189 typedef struct { 190 TAILQ_HEAD(, ccb_hdr) request_ccbs; 191 probe_action action; 192 union ccb saved_ccb; 193 probe_flags flags; 194 MD5_CTX context; 195 u_int8_t digest[16]; 196 struct cam_periph *periph; 197 } probe_softc; 198 199 static const char quantum[] = "QUANTUM"; 200 static const char sony[] = "SONY"; 201 static const char west_digital[] = "WDIGTL"; 202 static const char samsung[] = "SAMSUNG"; 203 static const char seagate[] = "SEAGATE"; 204 static const char microp[] = "MICROP"; 205 206 static struct scsi_quirk_entry scsi_quirk_table[] = 207 { 208 { 209 /* Reports QUEUE FULL for temporary resource shortages */ 210 { T_DIRECT, SIP_MEDIA_FIXED, quantum, "XP39100*", "*" }, 211 /*quirks*/0, /*mintags*/24, /*maxtags*/32 212 }, 213 { 214 /* Reports QUEUE FULL for temporary resource shortages */ 215 { T_DIRECT, SIP_MEDIA_FIXED, quantum, "XP34550*", "*" }, 216 /*quirks*/0, /*mintags*/24, /*maxtags*/32 217 }, 218 { 219 /* Reports QUEUE FULL for temporary resource shortages */ 220 { T_DIRECT, SIP_MEDIA_FIXED, quantum, "XP32275*", "*" }, 221 /*quirks*/0, /*mintags*/24, /*maxtags*/32 222 }, 223 { 224 /* Broken tagged queuing drive */ 225 { T_DIRECT, SIP_MEDIA_FIXED, microp, "4421-07*", "*" }, 226 /*quirks*/0, /*mintags*/0, /*maxtags*/0 227 }, 228 { 229 /* Broken tagged queuing drive */ 230 { T_DIRECT, SIP_MEDIA_FIXED, "HP", "C372*", "*" }, 231 /*quirks*/0, /*mintags*/0, /*maxtags*/0 232 }, 233 { 234 /* Broken tagged queuing drive */ 235 { T_DIRECT, SIP_MEDIA_FIXED, microp, "3391*", "x43h" }, 236 /*quirks*/0, /*mintags*/0, /*maxtags*/0 237 }, 238 { 239 /* 240 * Unfortunately, the Quantum Atlas III has the same 241 * problem as the Atlas II drives above. 242 * Reported by: "Johan Granlund" <johan@granlund.nu> 243 * 244 * For future reference, the drive with the problem was: 245 * QUANTUM QM39100TD-SW N1B0 246 * 247 * It's possible that Quantum will fix the problem in later 248 * firmware revisions. If that happens, the quirk entry 249 * will need to be made specific to the firmware revisions 250 * with the problem. 251 * 252 */ 253 /* Reports QUEUE FULL for temporary resource shortages */ 254 { T_DIRECT, SIP_MEDIA_FIXED, quantum, "QM39100*", "*" }, 255 /*quirks*/0, /*mintags*/24, /*maxtags*/32 256 }, 257 { 258 /* 259 * 18 Gig Atlas III, same problem as the 9G version. 260 * Reported by: Andre Albsmeier 261 * <andre.albsmeier@mchp.siemens.de> 262 * 263 * For future reference, the drive with the problem was: 264 * QUANTUM QM318000TD-S N491 265 */ 266 /* Reports QUEUE FULL for temporary resource shortages */ 267 { T_DIRECT, SIP_MEDIA_FIXED, quantum, "QM318000*", "*" }, 268 /*quirks*/0, /*mintags*/24, /*maxtags*/32 269 }, 270 { 271 /* 272 * Broken tagged queuing drive 273 * Reported by: Bret Ford <bford@uop.cs.uop.edu> 274 * and: Martin Renters <martin@tdc.on.ca> 275 */ 276 { T_DIRECT, SIP_MEDIA_FIXED, seagate, "ST410800*", "71*" }, 277 /*quirks*/0, /*mintags*/0, /*maxtags*/0 278 }, 279 /* 280 * The Seagate Medalist Pro drives have very poor write 281 * performance with anything more than 2 tags. 282 * 283 * Reported by: Paul van der Zwan <paulz@trantor.xs4all.nl> 284 * Drive: <SEAGATE ST36530N 1444> 285 * 286 * Reported by: Jeremy Lea <reg@shale.csir.co.za> 287 * Drive: <SEAGATE ST34520W 1281> 288 * 289 * No one has actually reported that the 9G version 290 * (ST39140*) of the Medalist Pro has the same problem, but 291 * we're assuming that it does because the 4G and 6.5G 292 * versions of the drive are broken. 293 */ 294 { 295 { T_DIRECT, SIP_MEDIA_FIXED, seagate, "ST34520*", "*"}, 296 /*quirks*/0, /*mintags*/2, /*maxtags*/2 297 }, 298 { 299 { T_DIRECT, SIP_MEDIA_FIXED, seagate, "ST36530*", "*"}, 300 /*quirks*/0, /*mintags*/2, /*maxtags*/2 301 }, 302 { 303 { T_DIRECT, SIP_MEDIA_FIXED, seagate, "ST39140*", "*"}, 304 /*quirks*/0, /*mintags*/2, /*maxtags*/2 305 }, 306 { 307 /* 308 * Experiences command timeouts under load with a 309 * tag count higher than 55. 310 */ 311 { T_DIRECT, SIP_MEDIA_FIXED, seagate, "ST3146855LW", "*"}, 312 /*quirks*/0, /*mintags*/2, /*maxtags*/55 313 }, 314 { 315 /* 316 * Slow when tagged queueing is enabled. Write performance 317 * steadily drops off with more and more concurrent 318 * transactions. Best sequential write performance with 319 * tagged queueing turned off and write caching turned on. 320 * 321 * PR: kern/10398 322 * Submitted by: Hideaki Okada <hokada@isl.melco.co.jp> 323 * Drive: DCAS-34330 w/ "S65A" firmware. 324 * 325 * The drive with the problem had the "S65A" firmware 326 * revision, and has also been reported (by Stephen J. 327 * Roznowski <sjr@home.net>) for a drive with the "S61A" 328 * firmware revision. 329 * 330 * Although no one has reported problems with the 2 gig 331 * version of the DCAS drive, the assumption is that it 332 * has the same problems as the 4 gig version. Therefore 333 * this quirk entries disables tagged queueing for all 334 * DCAS drives. 335 */ 336 { T_DIRECT, SIP_MEDIA_FIXED, "IBM", "DCAS*", "*" }, 337 /*quirks*/0, /*mintags*/0, /*maxtags*/0 338 }, 339 { 340 /* Broken tagged queuing drive */ 341 { T_DIRECT, SIP_MEDIA_REMOVABLE, "iomega", "jaz*", "*" }, 342 /*quirks*/0, /*mintags*/0, /*maxtags*/0 343 }, 344 { 345 /* Broken tagged queuing drive */ 346 { T_DIRECT, SIP_MEDIA_FIXED, "CONNER", "CFP2107*", "*" }, 347 /*quirks*/0, /*mintags*/0, /*maxtags*/0 348 }, 349 { 350 /* This does not support other than LUN 0 */ 351 { T_DIRECT, SIP_MEDIA_FIXED, "VMware*", "*", "*" }, 352 CAM_QUIRK_NOLUNS, /*mintags*/2, /*maxtags*/255 353 }, 354 { 355 /* 356 * Broken tagged queuing drive. 357 * Submitted by: 358 * NAKAJI Hiroyuki <nakaji@zeisei.dpri.kyoto-u.ac.jp> 359 * in PR kern/9535 360 */ 361 { T_DIRECT, SIP_MEDIA_FIXED, samsung, "WN34324U*", "*" }, 362 /*quirks*/0, /*mintags*/0, /*maxtags*/0 363 }, 364 { 365 /* 366 * Slow when tagged queueing is enabled. (1.5MB/sec versus 367 * 8MB/sec.) 368 * Submitted by: Andrew Gallatin <gallatin@cs.duke.edu> 369 * Best performance with these drives is achieved with 370 * tagged queueing turned off, and write caching turned on. 371 */ 372 { T_DIRECT, SIP_MEDIA_FIXED, west_digital, "WDE*", "*" }, 373 /*quirks*/0, /*mintags*/0, /*maxtags*/0 374 }, 375 { 376 /* 377 * Slow when tagged queueing is enabled. (1.5MB/sec versus 378 * 8MB/sec.) 379 * Submitted by: Andrew Gallatin <gallatin@cs.duke.edu> 380 * Best performance with these drives is achieved with 381 * tagged queueing turned off, and write caching turned on. 382 */ 383 { T_DIRECT, SIP_MEDIA_FIXED, west_digital, "ENTERPRISE", "*" }, 384 /*quirks*/0, /*mintags*/0, /*maxtags*/0 385 }, 386 { 387 /* 388 * Doesn't handle queue full condition correctly, 389 * so we need to limit maxtags to what the device 390 * can handle instead of determining this automatically. 391 */ 392 { T_DIRECT, SIP_MEDIA_FIXED, samsung, "WN321010S*", "*" }, 393 /*quirks*/0, /*mintags*/2, /*maxtags*/32 394 }, 395 { 396 /* Really only one LUN */ 397 { T_ENCLOSURE, SIP_MEDIA_FIXED, "SUN", "SENA", "*" }, 398 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 399 }, 400 { 401 /* I can't believe we need a quirk for DPT volumes. */ 402 { T_ANY, SIP_MEDIA_FIXED|SIP_MEDIA_REMOVABLE, "DPT", "*", "*" }, 403 CAM_QUIRK_NOLUNS, 404 /*mintags*/0, /*maxtags*/255 405 }, 406 { 407 /* 408 * Many Sony CDROM drives don't like multi-LUN probing. 409 */ 410 { T_CDROM, SIP_MEDIA_REMOVABLE, sony, "CD-ROM CDU*", "*" }, 411 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 412 }, 413 { 414 /* 415 * This drive doesn't like multiple LUN probing. 416 * Submitted by: Parag Patel <parag@cgt.com> 417 */ 418 { T_WORM, SIP_MEDIA_REMOVABLE, sony, "CD-R CDU9*", "*" }, 419 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 420 }, 421 { 422 { T_WORM, SIP_MEDIA_REMOVABLE, "YAMAHA", "CDR100*", "*" }, 423 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 424 }, 425 { 426 /* 427 * The 8200 doesn't like multi-lun probing, and probably 428 * don't like serial number requests either. 429 */ 430 { 431 T_SEQUENTIAL, SIP_MEDIA_REMOVABLE, "EXABYTE", 432 "EXB-8200*", "*" 433 }, 434 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 435 }, 436 { 437 /* 438 * Let's try the same as above, but for a drive that says 439 * it's an IPL-6860 but is actually an EXB 8200. 440 */ 441 { 442 T_SEQUENTIAL, SIP_MEDIA_REMOVABLE, "EXABYTE", 443 "IPL-6860*", "*" 444 }, 445 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 446 }, 447 { 448 /* 449 * These Hitachi drives don't like multi-lun probing. 450 * The PR submitter has a DK319H, but says that the Linux 451 * kernel has a similar work-around for the DK312 and DK314, 452 * so all DK31* drives are quirked here. 453 * PR: misc/18793 454 * Submitted by: Paul Haddad <paul@pth.com> 455 */ 456 { T_DIRECT, SIP_MEDIA_FIXED, "HITACHI", "DK31*", "*" }, 457 CAM_QUIRK_NOLUNS, /*mintags*/2, /*maxtags*/255 458 }, 459 { 460 /* 461 * The Hitachi CJ series with J8A8 firmware apparently has 462 * problems with tagged commands. 463 * PR: 23536 464 * Reported by: amagai@nue.org 465 */ 466 { T_DIRECT, SIP_MEDIA_FIXED, "HITACHI", "DK32CJ*", "J8A8" }, 467 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 468 }, 469 { 470 /* 471 * These are the large storage arrays. 472 * Submitted by: William Carrel <william.carrel@infospace.com> 473 */ 474 { T_DIRECT, SIP_MEDIA_FIXED, "HITACHI", "OPEN*", "*" }, 475 CAM_QUIRK_HILUNS, 2, 1024 476 }, 477 { 478 /* 479 * This old revision of the TDC3600 is also SCSI-1, and 480 * hangs upon serial number probing. 481 */ 482 { 483 T_SEQUENTIAL, SIP_MEDIA_REMOVABLE, "TANDBERG", 484 " TDC 3600", "U07:" 485 }, 486 CAM_QUIRK_NOVPDS, /*mintags*/0, /*maxtags*/0 487 }, 488 { 489 /* 490 * Would repond to all LUNs if asked for. 491 */ 492 { 493 T_SEQUENTIAL, SIP_MEDIA_REMOVABLE, "CALIPER", 494 "CP150", "*" 495 }, 496 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 497 }, 498 { 499 /* 500 * Would repond to all LUNs if asked for. 501 */ 502 { 503 T_SEQUENTIAL, SIP_MEDIA_REMOVABLE, "KENNEDY", 504 "96X2*", "*" 505 }, 506 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 507 }, 508 { 509 /* Submitted by: Matthew Dodd <winter@jurai.net> */ 510 { T_PROCESSOR, SIP_MEDIA_FIXED, "Cabletrn", "EA41*", "*" }, 511 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 512 }, 513 { 514 /* Submitted by: Matthew Dodd <winter@jurai.net> */ 515 { T_PROCESSOR, SIP_MEDIA_FIXED, "CABLETRN", "EA41*", "*" }, 516 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 517 }, 518 { 519 /* TeraSolutions special settings for TRC-22 RAID */ 520 { T_DIRECT, SIP_MEDIA_FIXED, "TERASOLU", "TRC-22", "*" }, 521 /*quirks*/0, /*mintags*/55, /*maxtags*/255 522 }, 523 { 524 /* Veritas Storage Appliance */ 525 { T_DIRECT, SIP_MEDIA_FIXED, "VERITAS", "*", "*" }, 526 CAM_QUIRK_HILUNS, /*mintags*/2, /*maxtags*/1024 527 }, 528 { 529 /* 530 * Would respond to all LUNs. Device type and removable 531 * flag are jumper-selectable. 532 */ 533 { T_ANY, SIP_MEDIA_REMOVABLE|SIP_MEDIA_FIXED, "MaxOptix", 534 "Tahiti 1", "*" 535 }, 536 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 537 }, 538 { 539 /* EasyRAID E5A aka. areca ARC-6010 */ 540 { T_DIRECT, SIP_MEDIA_FIXED, "easyRAID", "*", "*" }, 541 CAM_QUIRK_NOHILUNS, /*mintags*/2, /*maxtags*/255 542 }, 543 { 544 { T_ENCLOSURE, SIP_MEDIA_FIXED, "DP", "BACKPLANE", "*" }, 545 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 546 }, 547 { 548 { T_DIRECT, SIP_MEDIA_REMOVABLE, "Garmin", "*", "*" }, 549 CAM_QUIRK_NORPTLUNS, /*mintags*/2, /*maxtags*/255 550 }, 551 { 552 { T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic", "STORAGE DEVICE*", "120?" }, 553 CAM_QUIRK_NORPTLUNS, /*mintags*/2, /*maxtags*/255 554 }, 555 { 556 { T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic", "MassStorageClass", "1533" }, 557 CAM_QUIRK_NORPTLUNS, /*mintags*/2, /*maxtags*/255 558 }, 559 { 560 /* Default tagged queuing parameters for all devices */ 561 { 562 T_ANY, SIP_MEDIA_REMOVABLE|SIP_MEDIA_FIXED, 563 /*vendor*/"*", /*product*/"*", /*revision*/"*" 564 }, 565 /*quirks*/0, /*mintags*/2, /*maxtags*/255 566 }, 567 }; 568 569 static cam_status proberegister(struct cam_periph *periph, 570 void *arg); 571 static void probeschedule(struct cam_periph *probe_periph); 572 static void probestart(struct cam_periph *periph, union ccb *start_ccb); 573 static void proberequestdefaultnegotiation(struct cam_periph *periph); 574 static int proberequestbackoff(struct cam_periph *periph, 575 struct cam_ed *device); 576 static void probedone(struct cam_periph *periph, union ccb *done_ccb); 577 static void probe_purge_old(struct cam_path *path, 578 struct scsi_report_luns_data *new, 579 probe_flags flags); 580 static void probecleanup(struct cam_periph *periph); 581 static void scsi_find_quirk(struct cam_ed *device); 582 static void scsi_scan_bus(struct cam_periph *periph, union ccb *ccb); 583 static void scsi_scan_lun(struct cam_periph *periph, 584 struct cam_path *path, cam_flags flags, 585 union ccb *ccb); 586 static void xptscandone(struct cam_periph *periph, union ccb *done_ccb); 587 static struct cam_ed * 588 scsi_alloc_device(struct cam_eb *bus, struct cam_et *target, 589 lun_id_t lun_id); 590 static void scsi_devise_transport(struct cam_path *path); 591 static void scsi_set_transfer_settings(struct ccb_trans_settings *cts, 592 struct cam_path *path, 593 int async_update); 594 static void scsi_toggle_tags(struct cam_path *path); 595 static void scsi_dev_async(u_int32_t async_code, 596 struct cam_eb *bus, 597 struct cam_et *target, 598 struct cam_ed *device, 599 void *async_arg); 600 static void scsi_action(union ccb *start_ccb); 601 static void scsi_announce_periph(struct cam_periph *periph); 602 static void scsi_announce_periph_sbuf(struct cam_periph *periph, struct sbuf *sb); 603 static void scsi_proto_announce(struct cam_ed *device); 604 static void scsi_proto_announce_sbuf(struct cam_ed *device, 605 struct sbuf *sb); 606 static void scsi_proto_denounce(struct cam_ed *device); 607 static void scsi_proto_denounce_sbuf(struct cam_ed *device, 608 struct sbuf *sb); 609 static void scsi_proto_debug_out(union ccb *ccb); 610 static void _scsi_announce_periph(struct cam_periph *, u_int *, u_int *, struct ccb_trans_settings *); 611 612 static struct xpt_xport_ops scsi_xport_ops = { 613 .alloc_device = scsi_alloc_device, 614 .action = scsi_action, 615 .async = scsi_dev_async, 616 .announce = scsi_announce_periph, 617 .announce_sbuf = scsi_announce_periph_sbuf, 618 }; 619 #define SCSI_XPT_XPORT(x, X) \ 620 static struct xpt_xport scsi_xport_ ## x = { \ 621 .xport = XPORT_ ## X, \ 622 .name = #x, \ 623 .ops = &scsi_xport_ops, \ 624 }; \ 625 CAM_XPT_XPORT(scsi_xport_ ## x); 626 627 SCSI_XPT_XPORT(spi, SPI); 628 SCSI_XPT_XPORT(sas, SAS); 629 SCSI_XPT_XPORT(fc, FC); 630 SCSI_XPT_XPORT(usb, USB); 631 SCSI_XPT_XPORT(iscsi, ISCSI); 632 SCSI_XPT_XPORT(srp, SRP); 633 SCSI_XPT_XPORT(ppb, PPB); 634 635 #undef SCSI_XPORT_XPORT 636 637 static struct xpt_proto_ops scsi_proto_ops = { 638 .announce = scsi_proto_announce, 639 .announce_sbuf = scsi_proto_announce_sbuf, 640 .denounce = scsi_proto_denounce, 641 .denounce_sbuf = scsi_proto_denounce_sbuf, 642 .debug_out = scsi_proto_debug_out, 643 }; 644 static struct xpt_proto scsi_proto = { 645 .proto = PROTO_SCSI, 646 .name = "scsi", 647 .ops = &scsi_proto_ops, 648 }; 649 CAM_XPT_PROTO(scsi_proto); 650 651 static void 652 probe_periph_init(void) 653 { 654 } 655 656 static cam_status 657 proberegister(struct cam_periph *periph, void *arg) 658 { 659 union ccb *request_ccb; /* CCB representing the probe request */ 660 probe_softc *softc; 661 662 request_ccb = (union ccb *)arg; 663 if (request_ccb == NULL) { 664 printf("proberegister: no probe CCB, " 665 "can't register device\n"); 666 return(CAM_REQ_CMP_ERR); 667 } 668 669 softc = (probe_softc *)malloc(sizeof(*softc), M_CAMXPT, M_NOWAIT); 670 671 if (softc == NULL) { 672 printf("proberegister: Unable to probe new device. " 673 "Unable to allocate softc\n"); 674 return(CAM_REQ_CMP_ERR); 675 } 676 TAILQ_INIT(&softc->request_ccbs); 677 TAILQ_INSERT_TAIL(&softc->request_ccbs, &request_ccb->ccb_h, 678 periph_links.tqe); 679 softc->flags = 0; 680 periph->softc = softc; 681 softc->periph = periph; 682 softc->action = PROBE_INVALID; 683 if (cam_periph_acquire(periph) != 0) 684 return (CAM_REQ_CMP_ERR); 685 686 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, ("Probe started\n")); 687 scsi_devise_transport(periph->path); 688 689 /* 690 * Ensure we've waited at least a bus settle 691 * delay before attempting to probe the device. 692 * For HBAs that don't do bus resets, this won't make a difference. 693 */ 694 cam_periph_freeze_after_event(periph, &periph->path->bus->last_reset, 695 scsi_delay); 696 probeschedule(periph); 697 return(CAM_REQ_CMP); 698 } 699 700 static void 701 probeschedule(struct cam_periph *periph) 702 { 703 struct ccb_pathinq cpi; 704 union ccb *ccb; 705 probe_softc *softc; 706 707 softc = (probe_softc *)periph->softc; 708 ccb = (union ccb *)TAILQ_FIRST(&softc->request_ccbs); 709 710 xpt_path_inq(&cpi, periph->path); 711 712 /* 713 * If a device has gone away and another device, or the same one, 714 * is back in the same place, it should have a unit attention 715 * condition pending. It will not report the unit attention in 716 * response to an inquiry, which may leave invalid transfer 717 * negotiations in effect. The TUR will reveal the unit attention 718 * condition. Only send the TUR for lun 0, since some devices 719 * will get confused by commands other than inquiry to non-existent 720 * luns. If you think a device has gone away start your scan from 721 * lun 0. This will insure that any bogus transfer settings are 722 * invalidated. 723 * 724 * If we haven't seen the device before and the controller supports 725 * some kind of transfer negotiation, negotiate with the first 726 * sent command if no bus reset was performed at startup. This 727 * ensures that the device is not confused by transfer negotiation 728 * settings left over by loader or BIOS action. 729 */ 730 if (((ccb->ccb_h.path->device->flags & CAM_DEV_UNCONFIGURED) == 0) 731 && (ccb->ccb_h.target_lun == 0)) { 732 PROBE_SET_ACTION(softc, PROBE_TUR); 733 } else if ((cpi.hba_inquiry & (PI_WIDE_32|PI_WIDE_16|PI_SDTR_ABLE)) != 0 734 && (cpi.hba_misc & PIM_NOBUSRESET) != 0) { 735 proberequestdefaultnegotiation(periph); 736 PROBE_SET_ACTION(softc, PROBE_INQUIRY); 737 } else { 738 PROBE_SET_ACTION(softc, PROBE_INQUIRY); 739 } 740 741 if (ccb->crcn.flags & CAM_EXPECT_INQ_CHANGE) 742 softc->flags |= PROBE_NO_ANNOUNCE; 743 else 744 softc->flags &= ~PROBE_NO_ANNOUNCE; 745 746 if (cpi.hba_misc & PIM_EXTLUNS) 747 softc->flags |= PROBE_EXTLUN; 748 else 749 softc->flags &= ~PROBE_EXTLUN; 750 751 xpt_schedule(periph, CAM_PRIORITY_XPT); 752 } 753 754 static void 755 probestart(struct cam_periph *periph, union ccb *start_ccb) 756 { 757 /* Probe the device that our peripheral driver points to */ 758 struct ccb_scsiio *csio; 759 probe_softc *softc; 760 761 CAM_DEBUG(start_ccb->ccb_h.path, CAM_DEBUG_TRACE, ("probestart\n")); 762 763 softc = (probe_softc *)periph->softc; 764 csio = &start_ccb->csio; 765 again: 766 767 switch (softc->action) { 768 case PROBE_TUR: 769 case PROBE_TUR_FOR_NEGOTIATION: 770 case PROBE_DV_EXIT: 771 { 772 scsi_test_unit_ready(csio, 773 /*retries*/4, 774 probedone, 775 MSG_SIMPLE_Q_TAG, 776 SSD_FULL_SIZE, 777 /*timeout*/60000); 778 break; 779 } 780 case PROBE_INQUIRY: 781 case PROBE_FULL_INQUIRY: 782 case PROBE_INQUIRY_BASIC_DV1: 783 case PROBE_INQUIRY_BASIC_DV2: 784 { 785 u_int inquiry_len; 786 struct scsi_inquiry_data *inq_buf; 787 788 inq_buf = &periph->path->device->inq_data; 789 790 /* 791 * If the device is currently configured, we calculate an 792 * MD5 checksum of the inquiry data, and if the serial number 793 * length is greater than 0, add the serial number data 794 * into the checksum as well. Once the inquiry and the 795 * serial number check finish, we attempt to figure out 796 * whether we still have the same device. 797 */ 798 if (((periph->path->device->flags & CAM_DEV_UNCONFIGURED) == 0) 799 && ((softc->flags & PROBE_INQUIRY_CKSUM) == 0)) { 800 MD5Init(&softc->context); 801 MD5Update(&softc->context, (unsigned char *)inq_buf, 802 sizeof(struct scsi_inquiry_data)); 803 softc->flags |= PROBE_INQUIRY_CKSUM; 804 if (periph->path->device->serial_num_len > 0) { 805 MD5Update(&softc->context, 806 periph->path->device->serial_num, 807 periph->path->device->serial_num_len); 808 softc->flags |= PROBE_SERIAL_CKSUM; 809 } 810 MD5Final(softc->digest, &softc->context); 811 } 812 813 if (softc->action == PROBE_INQUIRY) 814 inquiry_len = SHORT_INQUIRY_LENGTH; 815 else 816 inquiry_len = SID_ADDITIONAL_LENGTH(inq_buf); 817 818 /* 819 * Some parallel SCSI devices fail to send an 820 * ignore wide residue message when dealing with 821 * odd length inquiry requests. Round up to be 822 * safe. 823 */ 824 inquiry_len = roundup2(inquiry_len, 2); 825 826 if (softc->action == PROBE_INQUIRY_BASIC_DV1 827 || softc->action == PROBE_INQUIRY_BASIC_DV2) { 828 inq_buf = malloc(inquiry_len, M_CAMXPT, M_NOWAIT); 829 } 830 if (inq_buf == NULL) { 831 xpt_print(periph->path, "malloc failure- skipping Basic" 832 "Domain Validation\n"); 833 PROBE_SET_ACTION(softc, PROBE_DV_EXIT); 834 scsi_test_unit_ready(csio, 835 /*retries*/4, 836 probedone, 837 MSG_SIMPLE_Q_TAG, 838 SSD_FULL_SIZE, 839 /*timeout*/60000); 840 break; 841 } 842 scsi_inquiry(csio, 843 /*retries*/4, 844 probedone, 845 MSG_SIMPLE_Q_TAG, 846 (u_int8_t *)inq_buf, 847 inquiry_len, 848 /*evpd*/FALSE, 849 /*page_code*/0, 850 SSD_MIN_SIZE, 851 /*timeout*/60 * 1000); 852 break; 853 } 854 case PROBE_REPORT_LUNS: 855 { 856 void *rp; 857 858 rp = malloc(periph->path->target->rpl_size, 859 M_CAMXPT, M_NOWAIT | M_ZERO); 860 if (rp == NULL) { 861 struct scsi_inquiry_data *inq_buf; 862 inq_buf = &periph->path->device->inq_data; 863 xpt_print(periph->path, 864 "Unable to alloc report luns storage\n"); 865 if (INQ_DATA_TQ_ENABLED(inq_buf)) 866 PROBE_SET_ACTION(softc, PROBE_MODE_SENSE); 867 else 868 PROBE_SET_ACTION(softc, 869 PROBE_SUPPORTED_VPD_LIST); 870 goto again; 871 } 872 scsi_report_luns(csio, 5, probedone, MSG_SIMPLE_Q_TAG, 873 RPL_REPORT_DEFAULT, rp, periph->path->target->rpl_size, 874 SSD_FULL_SIZE, 60000); break; 875 break; 876 } 877 case PROBE_MODE_SENSE: 878 { 879 void *mode_buf; 880 int mode_buf_len; 881 882 mode_buf_len = sizeof(struct scsi_mode_header_6) 883 + sizeof(struct scsi_mode_blk_desc) 884 + sizeof(struct scsi_control_page); 885 mode_buf = malloc(mode_buf_len, M_CAMXPT, M_NOWAIT); 886 if (mode_buf != NULL) { 887 scsi_mode_sense(csio, 888 /*retries*/4, 889 probedone, 890 MSG_SIMPLE_Q_TAG, 891 /*dbd*/FALSE, 892 SMS_PAGE_CTRL_CURRENT, 893 SMS_CONTROL_MODE_PAGE, 894 mode_buf, 895 mode_buf_len, 896 SSD_FULL_SIZE, 897 /*timeout*/60000); 898 break; 899 } 900 xpt_print(periph->path, "Unable to mode sense control page - " 901 "malloc failure\n"); 902 PROBE_SET_ACTION(softc, PROBE_SUPPORTED_VPD_LIST); 903 } 904 /* FALLTHROUGH */ 905 case PROBE_SUPPORTED_VPD_LIST: 906 { 907 struct scsi_vpd_supported_page_list *vpd_list; 908 struct cam_ed *device; 909 910 vpd_list = NULL; 911 device = periph->path->device; 912 913 if ((SCSI_QUIRK(device)->quirks & CAM_QUIRK_NOVPDS) == 0) 914 vpd_list = malloc(sizeof(*vpd_list), M_CAMXPT, 915 M_NOWAIT | M_ZERO); 916 917 if (vpd_list != NULL) { 918 scsi_inquiry(csio, 919 /*retries*/4, 920 probedone, 921 MSG_SIMPLE_Q_TAG, 922 (u_int8_t *)vpd_list, 923 sizeof(*vpd_list), 924 /*evpd*/TRUE, 925 SVPD_SUPPORTED_PAGE_LIST, 926 SSD_MIN_SIZE, 927 /*timeout*/60 * 1000); 928 break; 929 } 930 done: 931 /* 932 * We'll have to do without, let our probedone 933 * routine finish up for us. 934 */ 935 start_ccb->csio.data_ptr = NULL; 936 cam_freeze_devq(periph->path); 937 cam_periph_doacquire(periph); 938 probedone(periph, start_ccb); 939 return; 940 } 941 case PROBE_DEVICE_ID: 942 { 943 struct scsi_vpd_device_id *devid; 944 945 devid = NULL; 946 if (scsi_vpd_supported_page(periph, SVPD_DEVICE_ID)) 947 devid = malloc(SVPD_DEVICE_ID_MAX_SIZE, M_CAMXPT, 948 M_NOWAIT | M_ZERO); 949 950 if (devid != NULL) { 951 scsi_inquiry(csio, 952 /*retries*/4, 953 probedone, 954 MSG_SIMPLE_Q_TAG, 955 (uint8_t *)devid, 956 SVPD_DEVICE_ID_MAX_SIZE, 957 /*evpd*/TRUE, 958 SVPD_DEVICE_ID, 959 SSD_MIN_SIZE, 960 /*timeout*/60 * 1000); 961 break; 962 } 963 goto done; 964 } 965 case PROBE_EXTENDED_INQUIRY: 966 { 967 struct scsi_vpd_extended_inquiry_data *ext_inq; 968 969 ext_inq = NULL; 970 if (scsi_vpd_supported_page(periph, SVPD_EXTENDED_INQUIRY_DATA)) 971 ext_inq = malloc(sizeof(*ext_inq), M_CAMXPT, 972 M_NOWAIT | M_ZERO); 973 974 if (ext_inq != NULL) { 975 scsi_inquiry(csio, 976 /*retries*/4, 977 probedone, 978 MSG_SIMPLE_Q_TAG, 979 (uint8_t *)ext_inq, 980 sizeof(*ext_inq), 981 /*evpd*/TRUE, 982 SVPD_EXTENDED_INQUIRY_DATA, 983 SSD_MIN_SIZE, 984 /*timeout*/60 * 1000); 985 break; 986 } 987 /* 988 * We'll have to do without, let our probedone 989 * routine finish up for us. 990 */ 991 goto done; 992 } 993 case PROBE_SERIAL_NUM: 994 { 995 struct scsi_vpd_unit_serial_number *serial_buf; 996 struct cam_ed* device; 997 998 serial_buf = NULL; 999 device = periph->path->device; 1000 if (device->serial_num != NULL) { 1001 free(device->serial_num, M_CAMXPT); 1002 device->serial_num = NULL; 1003 device->serial_num_len = 0; 1004 } 1005 1006 if (scsi_vpd_supported_page(periph, SVPD_UNIT_SERIAL_NUMBER)) 1007 serial_buf = (struct scsi_vpd_unit_serial_number *) 1008 malloc(sizeof(*serial_buf), M_CAMXPT, 1009 M_NOWAIT|M_ZERO); 1010 1011 if (serial_buf != NULL) { 1012 scsi_inquiry(csio, 1013 /*retries*/4, 1014 probedone, 1015 MSG_SIMPLE_Q_TAG, 1016 (u_int8_t *)serial_buf, 1017 sizeof(*serial_buf), 1018 /*evpd*/TRUE, 1019 SVPD_UNIT_SERIAL_NUMBER, 1020 SSD_MIN_SIZE, 1021 /*timeout*/60 * 1000); 1022 break; 1023 } 1024 goto done; 1025 } 1026 default: 1027 panic("probestart: invalid action state 0x%x\n", softc->action); 1028 } 1029 start_ccb->ccb_h.flags |= CAM_DEV_QFREEZE; 1030 cam_periph_doacquire(periph); 1031 xpt_action(start_ccb); 1032 } 1033 1034 static void 1035 proberequestdefaultnegotiation(struct cam_periph *periph) 1036 { 1037 struct ccb_trans_settings cts; 1038 1039 xpt_setup_ccb(&cts.ccb_h, periph->path, CAM_PRIORITY_NONE); 1040 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 1041 cts.type = CTS_TYPE_USER_SETTINGS; 1042 xpt_action((union ccb *)&cts); 1043 if (cam_ccb_status((union ccb *)&cts) != CAM_REQ_CMP) { 1044 return; 1045 } 1046 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 1047 cts.type = CTS_TYPE_CURRENT_SETTINGS; 1048 xpt_action((union ccb *)&cts); 1049 } 1050 1051 /* 1052 * Backoff Negotiation Code- only pertinent for SPI devices. 1053 */ 1054 static int 1055 proberequestbackoff(struct cam_periph *periph, struct cam_ed *device) 1056 { 1057 struct ccb_trans_settings cts; 1058 struct ccb_trans_settings_spi *spi; 1059 1060 memset(&cts, 0, sizeof (cts)); 1061 xpt_setup_ccb(&cts.ccb_h, periph->path, CAM_PRIORITY_NONE); 1062 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 1063 cts.type = CTS_TYPE_CURRENT_SETTINGS; 1064 xpt_action((union ccb *)&cts); 1065 if (cam_ccb_status((union ccb *)&cts) != CAM_REQ_CMP) { 1066 if (bootverbose) { 1067 xpt_print(periph->path, 1068 "failed to get current device settings\n"); 1069 } 1070 return (0); 1071 } 1072 if (cts.transport != XPORT_SPI) { 1073 if (bootverbose) { 1074 xpt_print(periph->path, "not SPI transport\n"); 1075 } 1076 return (0); 1077 } 1078 spi = &cts.xport_specific.spi; 1079 1080 /* 1081 * We cannot renegotiate sync rate if we don't have one. 1082 */ 1083 if ((spi->valid & CTS_SPI_VALID_SYNC_RATE) == 0) { 1084 if (bootverbose) { 1085 xpt_print(periph->path, "no sync rate known\n"); 1086 } 1087 return (0); 1088 } 1089 1090 /* 1091 * We'll assert that we don't have to touch PPR options- the 1092 * SIM will see what we do with period and offset and adjust 1093 * the PPR options as appropriate. 1094 */ 1095 1096 /* 1097 * A sync rate with unknown or zero offset is nonsensical. 1098 * A sync period of zero means Async. 1099 */ 1100 if ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) == 0 1101 || spi->sync_offset == 0 || spi->sync_period == 0) { 1102 if (bootverbose) { 1103 xpt_print(periph->path, "no sync rate available\n"); 1104 } 1105 return (0); 1106 } 1107 1108 if (device->flags & CAM_DEV_DV_HIT_BOTTOM) { 1109 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, 1110 ("hit async: giving up on DV\n")); 1111 return (0); 1112 } 1113 1114 /* 1115 * Jump sync_period up by one, but stop at 5MHz and fall back to Async. 1116 * We don't try to remember 'last' settings to see if the SIM actually 1117 * gets into the speed we want to set. We check on the SIM telling 1118 * us that a requested speed is bad, but otherwise don't try and 1119 * check the speed due to the asynchronous and handshake nature 1120 * of speed setting. 1121 */ 1122 spi->valid = CTS_SPI_VALID_SYNC_RATE | CTS_SPI_VALID_SYNC_OFFSET; 1123 for (;;) { 1124 spi->sync_period++; 1125 if (spi->sync_period >= 0xf) { 1126 spi->sync_period = 0; 1127 spi->sync_offset = 0; 1128 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, 1129 ("setting to async for DV\n")); 1130 /* 1131 * Once we hit async, we don't want to try 1132 * any more settings. 1133 */ 1134 device->flags |= CAM_DEV_DV_HIT_BOTTOM; 1135 } else if (bootverbose) { 1136 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, 1137 ("DV: period 0x%x\n", spi->sync_period)); 1138 printf("setting period to 0x%x\n", spi->sync_period); 1139 } 1140 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 1141 cts.type = CTS_TYPE_CURRENT_SETTINGS; 1142 xpt_action((union ccb *)&cts); 1143 if (cam_ccb_status((union ccb *)&cts) != CAM_REQ_CMP) { 1144 break; 1145 } 1146 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, 1147 ("DV: failed to set period 0x%x\n", spi->sync_period)); 1148 if (spi->sync_period == 0) { 1149 return (0); 1150 } 1151 } 1152 return (1); 1153 } 1154 1155 #define CCB_COMPLETED_OK(ccb) (((ccb).status & CAM_STATUS_MASK) == CAM_REQ_CMP) 1156 1157 static void 1158 probedone(struct cam_periph *periph, union ccb *done_ccb) 1159 { 1160 probe_softc *softc; 1161 struct cam_path *path; 1162 struct scsi_inquiry_data *inq_buf; 1163 u_int32_t priority; 1164 1165 CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_TRACE, ("probedone\n")); 1166 1167 softc = (probe_softc *)periph->softc; 1168 path = done_ccb->ccb_h.path; 1169 priority = done_ccb->ccb_h.pinfo.priority; 1170 cam_periph_assert(periph, MA_OWNED); 1171 1172 switch (softc->action) { 1173 case PROBE_TUR: 1174 { 1175 if (cam_ccb_status(done_ccb) != CAM_REQ_CMP) { 1176 if (cam_periph_error(done_ccb, 0, SF_NO_PRINT) == 1177 ERESTART) { 1178 outr: 1179 /* Drop freeze taken due to CAM_DEV_QFREEZE */ 1180 cam_release_devq(path, 0, 0, 0, FALSE); 1181 return; 1182 } 1183 else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 1184 /* Don't wedge the queue */ 1185 xpt_release_devq(done_ccb->ccb_h.path, 1186 /*count*/1, 1187 /*run_queue*/TRUE); 1188 } 1189 PROBE_SET_ACTION(softc, PROBE_INQUIRY); 1190 xpt_release_ccb(done_ccb); 1191 xpt_schedule(periph, priority); 1192 out: 1193 /* Drop freeze taken due to CAM_DEV_QFREEZE and release. */ 1194 cam_release_devq(path, 0, 0, 0, FALSE); 1195 cam_periph_release_locked(periph); 1196 return; 1197 } 1198 case PROBE_INQUIRY: 1199 case PROBE_FULL_INQUIRY: 1200 { 1201 if (cam_ccb_status(done_ccb) == CAM_REQ_CMP) { 1202 u_int8_t periph_qual; 1203 1204 path->device->flags |= CAM_DEV_INQUIRY_DATA_VALID; 1205 scsi_find_quirk(path->device); 1206 inq_buf = &path->device->inq_data; 1207 1208 periph_qual = SID_QUAL(inq_buf); 1209 1210 if (periph_qual == SID_QUAL_LU_CONNECTED || 1211 periph_qual == SID_QUAL_LU_OFFLINE) { 1212 u_int8_t len; 1213 1214 /* 1215 * We conservatively request only 1216 * SHORT_INQUIRY_LEN bytes of inquiry 1217 * information during our first try 1218 * at sending an INQUIRY. If the device 1219 * has more information to give, 1220 * perform a second request specifying 1221 * the amount of information the device 1222 * is willing to give. 1223 */ 1224 len = inq_buf->additional_length 1225 + offsetof(struct scsi_inquiry_data, 1226 additional_length) + 1; 1227 if (softc->action == PROBE_INQUIRY 1228 && len > SHORT_INQUIRY_LENGTH) { 1229 PROBE_SET_ACTION(softc, PROBE_FULL_INQUIRY); 1230 xpt_release_ccb(done_ccb); 1231 xpt_schedule(periph, priority); 1232 goto out; 1233 } 1234 1235 scsi_devise_transport(path); 1236 1237 if (path->device->lun_id == 0 && 1238 SID_ANSI_REV(inq_buf) > SCSI_REV_SPC2 && 1239 (SCSI_QUIRK(path->device)->quirks & 1240 CAM_QUIRK_NORPTLUNS) == 0) { 1241 PROBE_SET_ACTION(softc, 1242 PROBE_REPORT_LUNS); 1243 /* 1244 * Start with room for *one* lun. 1245 */ 1246 periph->path->target->rpl_size = 16; 1247 } else if (INQ_DATA_TQ_ENABLED(inq_buf)) 1248 PROBE_SET_ACTION(softc, 1249 PROBE_MODE_SENSE); 1250 else 1251 PROBE_SET_ACTION(softc, 1252 PROBE_SUPPORTED_VPD_LIST); 1253 1254 if (path->device->flags & CAM_DEV_UNCONFIGURED) { 1255 path->device->flags &= ~CAM_DEV_UNCONFIGURED; 1256 xpt_acquire_device(path->device); 1257 } 1258 xpt_release_ccb(done_ccb); 1259 xpt_schedule(periph, priority); 1260 goto out; 1261 } else if (path->device->lun_id == 0 && 1262 SID_ANSI_REV(inq_buf) >= SCSI_REV_SPC2 && 1263 (SCSI_QUIRK(path->device)->quirks & 1264 CAM_QUIRK_NORPTLUNS) == 0) { 1265 PROBE_SET_ACTION(softc, PROBE_REPORT_LUNS); 1266 periph->path->target->rpl_size = 16; 1267 xpt_release_ccb(done_ccb); 1268 xpt_schedule(periph, priority); 1269 goto out; 1270 } 1271 } else if (cam_periph_error(done_ccb, 0, 1272 done_ccb->ccb_h.target_lun > 0 1273 ? SF_RETRY_UA|SF_QUIET_IR 1274 : SF_RETRY_UA) == ERESTART) { 1275 goto outr; 1276 } else { 1277 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1278 /* Don't wedge the queue */ 1279 xpt_release_devq(done_ccb->ccb_h.path, 1280 /*count*/1, /*run_queue*/TRUE); 1281 } 1282 path->device->flags &= ~CAM_DEV_INQUIRY_DATA_VALID; 1283 } 1284 /* 1285 * If we get to this point, we got an error status back 1286 * from the inquiry and the error status doesn't require 1287 * automatically retrying the command. Therefore, the 1288 * inquiry failed. If we had inquiry information before 1289 * for this device, but this latest inquiry command failed, 1290 * the device has probably gone away. If this device isn't 1291 * already marked unconfigured, notify the peripheral 1292 * drivers that this device is no more. 1293 */ 1294 if ((path->device->flags & CAM_DEV_UNCONFIGURED) == 0) 1295 /* Send the async notification. */ 1296 xpt_async(AC_LOST_DEVICE, path, NULL); 1297 PROBE_SET_ACTION(softc, PROBE_INVALID); 1298 1299 xpt_release_ccb(done_ccb); 1300 break; 1301 } 1302 case PROBE_REPORT_LUNS: 1303 { 1304 struct ccb_scsiio *csio; 1305 struct scsi_report_luns_data *lp; 1306 u_int nlun, maxlun; 1307 1308 csio = &done_ccb->csio; 1309 1310 lp = (struct scsi_report_luns_data *)csio->data_ptr; 1311 nlun = scsi_4btoul(lp->length) / 8; 1312 maxlun = (csio->dxfer_len / 8) - 1; 1313 1314 if (cam_ccb_status(done_ccb) != CAM_REQ_CMP) { 1315 if (cam_periph_error(done_ccb, 0, 1316 done_ccb->ccb_h.target_lun > 0 ? 1317 SF_RETRY_UA|SF_QUIET_IR : SF_RETRY_UA) == 1318 ERESTART) { 1319 goto outr; 1320 } 1321 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1322 xpt_release_devq(done_ccb->ccb_h.path, 1, 1323 TRUE); 1324 } 1325 free(lp, M_CAMXPT); 1326 lp = NULL; 1327 } else if (nlun > maxlun) { 1328 /* 1329 * Reallocate and retry to cover all luns 1330 */ 1331 CAM_DEBUG(path, CAM_DEBUG_PROBE, 1332 ("Probe: reallocating REPORT_LUNS for %u luns\n", 1333 nlun)); 1334 free(lp, M_CAMXPT); 1335 path->target->rpl_size = (nlun << 3) + 8; 1336 xpt_release_ccb(done_ccb); 1337 xpt_schedule(periph, priority); 1338 goto out; 1339 } else if (nlun == 0) { 1340 /* 1341 * If there don't appear to be any luns, bail. 1342 */ 1343 free(lp, M_CAMXPT); 1344 lp = NULL; 1345 } else { 1346 lun_id_t lun; 1347 int idx; 1348 1349 CAM_DEBUG(path, CAM_DEBUG_PROBE, 1350 ("Probe: %u lun(s) reported\n", nlun)); 1351 1352 CAM_GET_LUN(lp, 0, lun); 1353 /* 1354 * If the first lun is not lun 0, then either there 1355 * is no lun 0 in the list, or the list is unsorted. 1356 */ 1357 if (lun != 0) { 1358 for (idx = 0; idx < nlun; idx++) { 1359 CAM_GET_LUN(lp, idx, lun); 1360 if (lun == 0) { 1361 break; 1362 } 1363 } 1364 if (idx != nlun) { 1365 uint8_t tlun[8]; 1366 memcpy(tlun, 1367 lp->luns[0].lundata, 8); 1368 memcpy(lp->luns[0].lundata, 1369 lp->luns[idx].lundata, 8); 1370 memcpy(lp->luns[idx].lundata, 1371 tlun, 8); 1372 CAM_DEBUG(path, CAM_DEBUG_PROBE, 1373 ("lun 0 in position %u\n", idx)); 1374 } 1375 } 1376 /* 1377 * If we have an old lun list, We can either 1378 * retest luns that appear to have been dropped, 1379 * or just nuke them. We'll opt for the latter. 1380 * This function will also install the new list 1381 * in the target structure. 1382 */ 1383 probe_purge_old(path, lp, softc->flags); 1384 lp = NULL; 1385 } 1386 /* The processing above should either exit via a `goto 1387 * out` or leave the `lp` variable `NULL` and (if 1388 * applicable) `free()` the storage to which it had 1389 * pointed. Assert here that is the case. 1390 */ 1391 KASSERT(lp == NULL, ("%s: lp is not NULL", __func__)); 1392 inq_buf = &path->device->inq_data; 1393 if (path->device->flags & CAM_DEV_INQUIRY_DATA_VALID && 1394 (SID_QUAL(inq_buf) == SID_QUAL_LU_CONNECTED || 1395 SID_QUAL(inq_buf) == SID_QUAL_LU_OFFLINE)) { 1396 if (INQ_DATA_TQ_ENABLED(inq_buf)) 1397 PROBE_SET_ACTION(softc, PROBE_MODE_SENSE); 1398 else 1399 PROBE_SET_ACTION(softc, 1400 PROBE_SUPPORTED_VPD_LIST); 1401 xpt_release_ccb(done_ccb); 1402 xpt_schedule(periph, priority); 1403 goto out; 1404 } 1405 PROBE_SET_ACTION(softc, PROBE_INVALID); 1406 xpt_release_ccb(done_ccb); 1407 break; 1408 } 1409 case PROBE_MODE_SENSE: 1410 { 1411 struct ccb_scsiio *csio; 1412 struct scsi_mode_header_6 *mode_hdr; 1413 1414 csio = &done_ccb->csio; 1415 mode_hdr = (struct scsi_mode_header_6 *)csio->data_ptr; 1416 if (cam_ccb_status(done_ccb) == CAM_REQ_CMP) { 1417 struct scsi_control_page *page; 1418 u_int8_t *offset; 1419 1420 offset = ((u_int8_t *)&mode_hdr[1]) 1421 + mode_hdr->blk_desc_len; 1422 page = (struct scsi_control_page *)offset; 1423 path->device->queue_flags = page->queue_flags; 1424 } else if (cam_periph_error(done_ccb, 0, 1425 SF_RETRY_UA|SF_NO_PRINT) == ERESTART) { 1426 goto outr; 1427 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1428 /* Don't wedge the queue */ 1429 xpt_release_devq(done_ccb->ccb_h.path, 1430 /*count*/1, /*run_queue*/TRUE); 1431 } 1432 xpt_release_ccb(done_ccb); 1433 free(mode_hdr, M_CAMXPT); 1434 PROBE_SET_ACTION(softc, PROBE_SUPPORTED_VPD_LIST); 1435 xpt_schedule(periph, priority); 1436 goto out; 1437 } 1438 case PROBE_SUPPORTED_VPD_LIST: 1439 { 1440 struct ccb_scsiio *csio; 1441 struct scsi_vpd_supported_page_list *page_list; 1442 1443 csio = &done_ccb->csio; 1444 page_list = 1445 (struct scsi_vpd_supported_page_list *)csio->data_ptr; 1446 1447 if (path->device->supported_vpds != NULL) { 1448 free(path->device->supported_vpds, M_CAMXPT); 1449 path->device->supported_vpds = NULL; 1450 path->device->supported_vpds_len = 0; 1451 } 1452 1453 if (page_list == NULL) { 1454 /* 1455 * Don't process the command as it was never sent 1456 */ 1457 } else if (CCB_COMPLETED_OK(csio->ccb_h)) { 1458 /* Got vpd list */ 1459 path->device->supported_vpds_len = page_list->length + 1460 SVPD_SUPPORTED_PAGES_HDR_LEN; 1461 path->device->supported_vpds = (uint8_t *)page_list; 1462 xpt_release_ccb(done_ccb); 1463 PROBE_SET_ACTION(softc, PROBE_DEVICE_ID); 1464 xpt_schedule(periph, priority); 1465 goto out; 1466 } else if (cam_periph_error(done_ccb, 0, 1467 SF_RETRY_UA|SF_NO_PRINT) == ERESTART) { 1468 goto outr; 1469 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1470 /* Don't wedge the queue */ 1471 xpt_release_devq(done_ccb->ccb_h.path, /*count*/1, 1472 /*run_queue*/TRUE); 1473 } 1474 1475 if (page_list) 1476 free(page_list, M_CAMXPT); 1477 /* No VPDs available, skip to device check. */ 1478 csio->data_ptr = NULL; 1479 goto probe_device_check; 1480 } 1481 case PROBE_DEVICE_ID: 1482 { 1483 struct scsi_vpd_device_id *devid; 1484 struct ccb_scsiio *csio; 1485 uint32_t length = 0; 1486 1487 csio = &done_ccb->csio; 1488 devid = (struct scsi_vpd_device_id *)csio->data_ptr; 1489 1490 /* Clean up from previous instance of this device */ 1491 if (path->device->device_id != NULL) { 1492 path->device->device_id_len = 0; 1493 free(path->device->device_id, M_CAMXPT); 1494 path->device->device_id = NULL; 1495 } 1496 1497 if (devid == NULL) { 1498 /* Don't process the command as it was never sent */ 1499 } else if (CCB_COMPLETED_OK(csio->ccb_h)) { 1500 length = scsi_2btoul(devid->length); 1501 if (length != 0) { 1502 /* 1503 * NB: device_id_len is actual response 1504 * size, not buffer size. 1505 */ 1506 path->device->device_id_len = length + 1507 SVPD_DEVICE_ID_HDR_LEN; 1508 path->device->device_id = (uint8_t *)devid; 1509 } 1510 } else if (cam_periph_error(done_ccb, 0, 1511 SF_RETRY_UA) == ERESTART) { 1512 goto outr; 1513 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1514 /* Don't wedge the queue */ 1515 xpt_release_devq(done_ccb->ccb_h.path, /*count*/1, 1516 /*run_queue*/TRUE); 1517 } 1518 1519 /* Free the device id space if we don't use it */ 1520 if (devid && length == 0) 1521 free(devid, M_CAMXPT); 1522 xpt_release_ccb(done_ccb); 1523 PROBE_SET_ACTION(softc, PROBE_EXTENDED_INQUIRY); 1524 xpt_schedule(periph, priority); 1525 goto out; 1526 } 1527 case PROBE_EXTENDED_INQUIRY: { 1528 struct scsi_vpd_extended_inquiry_data *ext_inq; 1529 struct ccb_scsiio *csio; 1530 int32_t length = 0; 1531 1532 csio = &done_ccb->csio; 1533 ext_inq = (struct scsi_vpd_extended_inquiry_data *) 1534 csio->data_ptr; 1535 if (path->device->ext_inq != NULL) { 1536 path->device->ext_inq_len = 0; 1537 free(path->device->ext_inq, M_CAMXPT); 1538 path->device->ext_inq = NULL; 1539 } 1540 1541 if (ext_inq == NULL) { 1542 /* Don't process the command as it was never sent */ 1543 } else if (CCB_COMPLETED_OK(csio->ccb_h)) { 1544 length = scsi_2btoul(ext_inq->page_length) + 1545 __offsetof(struct scsi_vpd_extended_inquiry_data, 1546 flags1); 1547 length = min(length, sizeof(*ext_inq)); 1548 length -= csio->resid; 1549 if (length > 0) { 1550 path->device->ext_inq_len = length; 1551 path->device->ext_inq = (uint8_t *)ext_inq; 1552 } 1553 } else if (cam_periph_error(done_ccb, 0, SF_RETRY_UA) == 1554 ERESTART) { 1555 goto outr; 1556 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1557 /* Don't wedge the queue */ 1558 xpt_release_devq(done_ccb->ccb_h.path, /*count*/1, 1559 /*run_queue*/TRUE); 1560 } 1561 1562 /* Free the device id space if we don't use it */ 1563 if (ext_inq && length <= 0) 1564 free(ext_inq, M_CAMXPT); 1565 xpt_release_ccb(done_ccb); 1566 PROBE_SET_ACTION(softc, PROBE_SERIAL_NUM); 1567 xpt_schedule(periph, priority); 1568 goto out; 1569 } 1570 1571 probe_device_check: 1572 case PROBE_SERIAL_NUM: 1573 { 1574 struct ccb_scsiio *csio; 1575 struct scsi_vpd_unit_serial_number *serial_buf; 1576 u_int32_t priority; 1577 int changed; 1578 int have_serialnum; 1579 1580 changed = 1; 1581 have_serialnum = 0; 1582 csio = &done_ccb->csio; 1583 priority = done_ccb->ccb_h.pinfo.priority; 1584 serial_buf = 1585 (struct scsi_vpd_unit_serial_number *)csio->data_ptr; 1586 1587 if (serial_buf == NULL) { 1588 /* 1589 * Don't process the command as it was never sent 1590 */ 1591 } else if (cam_ccb_status(done_ccb) == CAM_REQ_CMP 1592 && (serial_buf->length > 0)) { 1593 have_serialnum = 1; 1594 path->device->serial_num = 1595 (u_int8_t *)malloc((serial_buf->length + 1), 1596 M_CAMXPT, M_NOWAIT); 1597 if (path->device->serial_num != NULL) { 1598 int start, slen; 1599 1600 start = strspn(serial_buf->serial_num, " "); 1601 slen = serial_buf->length - start; 1602 if (slen <= 0) { 1603 /* 1604 * SPC5r05 says that an all-space serial 1605 * number means no product serial number 1606 * is available 1607 */ 1608 slen = 0; 1609 } 1610 memcpy(path->device->serial_num, 1611 &serial_buf->serial_num[start], slen); 1612 path->device->serial_num_len = slen; 1613 path->device->serial_num[slen] = '\0'; 1614 } 1615 } else if (cam_periph_error(done_ccb, 0, 1616 SF_RETRY_UA|SF_NO_PRINT) == ERESTART) { 1617 goto outr; 1618 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1619 /* Don't wedge the queue */ 1620 xpt_release_devq(done_ccb->ccb_h.path, /*count*/1, 1621 /*run_queue*/TRUE); 1622 } 1623 1624 /* 1625 * Let's see if we have seen this device before. 1626 */ 1627 if ((softc->flags & PROBE_INQUIRY_CKSUM) != 0) { 1628 MD5_CTX context; 1629 u_int8_t digest[16]; 1630 1631 MD5Init(&context); 1632 1633 MD5Update(&context, 1634 (unsigned char *)&path->device->inq_data, 1635 sizeof(struct scsi_inquiry_data)); 1636 1637 if (have_serialnum) 1638 MD5Update(&context, path->device->serial_num, 1639 path->device->serial_num_len); 1640 1641 MD5Final(digest, &context); 1642 if (bcmp(softc->digest, digest, 16) == 0) 1643 changed = 0; 1644 1645 /* 1646 * XXX Do we need to do a TUR in order to ensure 1647 * that the device really hasn't changed??? 1648 */ 1649 if ((changed != 0) 1650 && ((softc->flags & PROBE_NO_ANNOUNCE) == 0)) 1651 xpt_async(AC_LOST_DEVICE, path, NULL); 1652 } 1653 if (serial_buf != NULL) 1654 free(serial_buf, M_CAMXPT); 1655 1656 if (changed != 0) { 1657 /* 1658 * Now that we have all the necessary 1659 * information to safely perform transfer 1660 * negotiations... Controllers don't perform 1661 * any negotiation or tagged queuing until 1662 * after the first XPT_SET_TRAN_SETTINGS ccb is 1663 * received. So, on a new device, just retrieve 1664 * the user settings, and set them as the current 1665 * settings to set the device up. 1666 */ 1667 proberequestdefaultnegotiation(periph); 1668 xpt_release_ccb(done_ccb); 1669 1670 /* 1671 * Perform a TUR to allow the controller to 1672 * perform any necessary transfer negotiation. 1673 */ 1674 PROBE_SET_ACTION(softc, PROBE_TUR_FOR_NEGOTIATION); 1675 xpt_schedule(periph, priority); 1676 goto out; 1677 } 1678 xpt_release_ccb(done_ccb); 1679 break; 1680 } 1681 case PROBE_TUR_FOR_NEGOTIATION: 1682 case PROBE_DV_EXIT: 1683 if (cam_ccb_status(done_ccb) != CAM_REQ_CMP) { 1684 if (cam_periph_error(done_ccb, 0, SF_NO_PRINT | 1685 SF_NO_RECOVERY | SF_NO_RETRY) == ERESTART) 1686 goto outr; 1687 } 1688 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1689 /* Don't wedge the queue */ 1690 xpt_release_devq(done_ccb->ccb_h.path, /*count*/1, 1691 /*run_queue*/TRUE); 1692 } 1693 /* 1694 * Do Domain Validation for lun 0 on devices that claim 1695 * to support Synchronous Transfer modes. 1696 */ 1697 if (softc->action == PROBE_TUR_FOR_NEGOTIATION 1698 && done_ccb->ccb_h.target_lun == 0 1699 && (path->device->inq_data.flags & SID_Sync) != 0 1700 && (path->device->flags & CAM_DEV_IN_DV) == 0) { 1701 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, 1702 ("Begin Domain Validation\n")); 1703 path->device->flags |= CAM_DEV_IN_DV; 1704 xpt_release_ccb(done_ccb); 1705 PROBE_SET_ACTION(softc, PROBE_INQUIRY_BASIC_DV1); 1706 xpt_schedule(periph, priority); 1707 goto out; 1708 } 1709 if (softc->action == PROBE_DV_EXIT) { 1710 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, 1711 ("Leave Domain Validation\n")); 1712 } 1713 if (path->device->flags & CAM_DEV_UNCONFIGURED) { 1714 path->device->flags &= ~CAM_DEV_UNCONFIGURED; 1715 xpt_acquire_device(path->device); 1716 } 1717 path->device->flags &= 1718 ~(CAM_DEV_IN_DV|CAM_DEV_DV_HIT_BOTTOM); 1719 if ((softc->flags & PROBE_NO_ANNOUNCE) == 0) { 1720 /* Inform the XPT that a new device has been found */ 1721 done_ccb->ccb_h.func_code = XPT_GDEV_TYPE; 1722 xpt_action(done_ccb); 1723 xpt_async(AC_FOUND_DEVICE, done_ccb->ccb_h.path, 1724 done_ccb); 1725 } 1726 PROBE_SET_ACTION(softc, PROBE_DONE); 1727 xpt_release_ccb(done_ccb); 1728 break; 1729 case PROBE_INQUIRY_BASIC_DV1: 1730 case PROBE_INQUIRY_BASIC_DV2: 1731 { 1732 struct scsi_inquiry_data *nbuf; 1733 struct ccb_scsiio *csio; 1734 1735 if (cam_ccb_status(done_ccb) != CAM_REQ_CMP) { 1736 if (cam_periph_error(done_ccb, 0, SF_NO_PRINT | 1737 SF_NO_RECOVERY | SF_NO_RETRY) == ERESTART) 1738 goto outr; 1739 } 1740 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1741 /* Don't wedge the queue */ 1742 xpt_release_devq(done_ccb->ccb_h.path, /*count*/1, 1743 /*run_queue*/TRUE); 1744 } 1745 csio = &done_ccb->csio; 1746 nbuf = (struct scsi_inquiry_data *)csio->data_ptr; 1747 if (bcmp(nbuf, &path->device->inq_data, SHORT_INQUIRY_LENGTH)) { 1748 xpt_print(path, 1749 "inquiry data fails comparison at DV%d step\n", 1750 softc->action == PROBE_INQUIRY_BASIC_DV1 ? 1 : 2); 1751 if (proberequestbackoff(periph, path->device)) { 1752 path->device->flags &= ~CAM_DEV_IN_DV; 1753 PROBE_SET_ACTION(softc, PROBE_TUR_FOR_NEGOTIATION); 1754 } else { 1755 /* give up */ 1756 PROBE_SET_ACTION(softc, PROBE_DV_EXIT); 1757 } 1758 free(nbuf, M_CAMXPT); 1759 xpt_release_ccb(done_ccb); 1760 xpt_schedule(periph, priority); 1761 goto out; 1762 } 1763 free(nbuf, M_CAMXPT); 1764 if (softc->action == PROBE_INQUIRY_BASIC_DV1) { 1765 PROBE_SET_ACTION(softc, PROBE_INQUIRY_BASIC_DV2); 1766 xpt_release_ccb(done_ccb); 1767 xpt_schedule(periph, priority); 1768 goto out; 1769 } 1770 if (softc->action == PROBE_INQUIRY_BASIC_DV2) { 1771 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, 1772 ("Leave Domain Validation Successfully\n")); 1773 } 1774 if (path->device->flags & CAM_DEV_UNCONFIGURED) { 1775 path->device->flags &= ~CAM_DEV_UNCONFIGURED; 1776 xpt_acquire_device(path->device); 1777 } 1778 path->device->flags &= 1779 ~(CAM_DEV_IN_DV|CAM_DEV_DV_HIT_BOTTOM); 1780 if ((softc->flags & PROBE_NO_ANNOUNCE) == 0) { 1781 /* Inform the XPT that a new device has been found */ 1782 done_ccb->ccb_h.func_code = XPT_GDEV_TYPE; 1783 xpt_action(done_ccb); 1784 xpt_async(AC_FOUND_DEVICE, done_ccb->ccb_h.path, 1785 done_ccb); 1786 } 1787 PROBE_SET_ACTION(softc, PROBE_DONE); 1788 xpt_release_ccb(done_ccb); 1789 break; 1790 } 1791 default: 1792 panic("probedone: invalid action state 0x%x\n", softc->action); 1793 } 1794 done_ccb = (union ccb *)TAILQ_FIRST(&softc->request_ccbs); 1795 TAILQ_REMOVE(&softc->request_ccbs, &done_ccb->ccb_h, periph_links.tqe); 1796 done_ccb->ccb_h.status = CAM_REQ_CMP; 1797 xpt_done(done_ccb); 1798 if (TAILQ_FIRST(&softc->request_ccbs) == NULL) { 1799 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, ("Probe completed\n")); 1800 /* Drop freeze taken due to CAM_DEV_QFREEZE flag set. */ 1801 cam_release_devq(path, 0, 0, 0, FALSE); 1802 cam_periph_release_locked(periph); 1803 cam_periph_invalidate(periph); 1804 cam_periph_release_locked(periph); 1805 } else { 1806 probeschedule(periph); 1807 goto out; 1808 } 1809 } 1810 1811 static void 1812 probe_purge_old(struct cam_path *path, struct scsi_report_luns_data *new, 1813 probe_flags flags) 1814 { 1815 struct cam_path *tp; 1816 struct scsi_report_luns_data *old; 1817 u_int idx1, idx2, nlun_old, nlun_new; 1818 lun_id_t this_lun; 1819 u_int8_t *ol, *nl; 1820 1821 if (path->target == NULL) { 1822 return; 1823 } 1824 mtx_lock(&path->target->luns_mtx); 1825 old = path->target->luns; 1826 path->target->luns = new; 1827 mtx_unlock(&path->target->luns_mtx); 1828 if (old == NULL) 1829 return; 1830 nlun_old = scsi_4btoul(old->length) / 8; 1831 nlun_new = scsi_4btoul(new->length) / 8; 1832 1833 /* 1834 * We are not going to assume sorted lists. Deal. 1835 */ 1836 for (idx1 = 0; idx1 < nlun_old; idx1++) { 1837 ol = old->luns[idx1].lundata; 1838 for (idx2 = 0; idx2 < nlun_new; idx2++) { 1839 nl = new->luns[idx2].lundata; 1840 if (memcmp(nl, ol, 8) == 0) { 1841 break; 1842 } 1843 } 1844 if (idx2 < nlun_new) { 1845 continue; 1846 } 1847 /* 1848 * An 'old' item not in the 'new' list. 1849 * Nuke it. Except that if it is lun 0, 1850 * that would be what the probe state 1851 * machine is currently working on, 1852 * so we won't do that. 1853 */ 1854 CAM_GET_LUN(old, idx1, this_lun); 1855 if (this_lun == 0) { 1856 continue; 1857 } 1858 1859 /* 1860 * We also cannot nuke it if it is 1861 * not in a lun format we understand 1862 * and replace the LUN with a "simple" LUN 1863 * if that is all the HBA supports. 1864 */ 1865 if (!(flags & PROBE_EXTLUN)) { 1866 if (!CAM_CAN_GET_SIMPLE_LUN(old, idx1)) 1867 continue; 1868 CAM_GET_SIMPLE_LUN(old, idx1, this_lun); 1869 } 1870 1871 if (xpt_create_path(&tp, NULL, xpt_path_path_id(path), 1872 xpt_path_target_id(path), this_lun) == CAM_REQ_CMP) { 1873 xpt_async(AC_LOST_DEVICE, tp, NULL); 1874 xpt_free_path(tp); 1875 } 1876 } 1877 free(old, M_CAMXPT); 1878 } 1879 1880 static void 1881 probecleanup(struct cam_periph *periph) 1882 { 1883 free(periph->softc, M_CAMXPT); 1884 } 1885 1886 static void 1887 scsi_find_quirk(struct cam_ed *device) 1888 { 1889 struct scsi_quirk_entry *quirk; 1890 caddr_t match; 1891 1892 match = cam_quirkmatch((caddr_t)&device->inq_data, 1893 (caddr_t)scsi_quirk_table, 1894 nitems(scsi_quirk_table), 1895 sizeof(*scsi_quirk_table), scsi_inquiry_match); 1896 1897 if (match == NULL) 1898 panic("xpt_find_quirk: device didn't match wildcard entry!!"); 1899 1900 quirk = (struct scsi_quirk_entry *)match; 1901 device->quirk = quirk; 1902 device->mintags = quirk->mintags; 1903 device->maxtags = quirk->maxtags; 1904 } 1905 1906 static int 1907 sysctl_cam_search_luns(SYSCTL_HANDLER_ARGS) 1908 { 1909 int error, val; 1910 1911 val = cam_srch_hi; 1912 error = sysctl_handle_int(oidp, &val, 0, req); 1913 if (error != 0 || req->newptr == NULL) 1914 return (error); 1915 if (val == 0 || val == 1) { 1916 cam_srch_hi = val; 1917 return (0); 1918 } else { 1919 return (EINVAL); 1920 } 1921 } 1922 1923 typedef struct { 1924 union ccb *request_ccb; 1925 struct ccb_pathinq *cpi; 1926 int counter; 1927 int lunindex[0]; 1928 } scsi_scan_bus_info; 1929 1930 /* 1931 * To start a scan, request_ccb is an XPT_SCAN_BUS ccb. 1932 * As the scan progresses, scsi_scan_bus is used as the 1933 * callback on completion function. 1934 */ 1935 static void 1936 scsi_scan_bus(struct cam_periph *periph, union ccb *request_ccb) 1937 { 1938 struct mtx *mtx; 1939 1940 CAM_DEBUG(request_ccb->ccb_h.path, CAM_DEBUG_TRACE, 1941 ("scsi_scan_bus\n")); 1942 switch (request_ccb->ccb_h.func_code) { 1943 case XPT_SCAN_BUS: 1944 case XPT_SCAN_TGT: 1945 { 1946 scsi_scan_bus_info *scan_info; 1947 union ccb *work_ccb, *reset_ccb; 1948 struct cam_path *path; 1949 u_int i; 1950 u_int low_target, max_target; 1951 u_int initiator_id; 1952 1953 /* Find out the characteristics of the bus */ 1954 work_ccb = xpt_alloc_ccb_nowait(); 1955 if (work_ccb == NULL) { 1956 request_ccb->ccb_h.status = CAM_RESRC_UNAVAIL; 1957 xpt_done(request_ccb); 1958 return; 1959 } 1960 xpt_setup_ccb(&work_ccb->ccb_h, request_ccb->ccb_h.path, 1961 request_ccb->ccb_h.pinfo.priority); 1962 work_ccb->ccb_h.func_code = XPT_PATH_INQ; 1963 xpt_action(work_ccb); 1964 if (work_ccb->ccb_h.status != CAM_REQ_CMP) { 1965 request_ccb->ccb_h.status = work_ccb->ccb_h.status; 1966 xpt_free_ccb(work_ccb); 1967 xpt_done(request_ccb); 1968 return; 1969 } 1970 1971 if ((work_ccb->cpi.hba_misc & PIM_NOINITIATOR) != 0) { 1972 /* 1973 * Can't scan the bus on an adapter that 1974 * cannot perform the initiator role. 1975 */ 1976 request_ccb->ccb_h.status = CAM_REQ_CMP; 1977 xpt_free_ccb(work_ccb); 1978 xpt_done(request_ccb); 1979 return; 1980 } 1981 1982 /* We may need to reset bus first, if we haven't done it yet. */ 1983 if ((work_ccb->cpi.hba_inquiry & 1984 (PI_WIDE_32|PI_WIDE_16|PI_SDTR_ABLE)) && 1985 !(work_ccb->cpi.hba_misc & PIM_NOBUSRESET) && 1986 !timevalisset(&request_ccb->ccb_h.path->bus->last_reset) && 1987 (reset_ccb = xpt_alloc_ccb_nowait()) != NULL) { 1988 xpt_setup_ccb(&reset_ccb->ccb_h, request_ccb->ccb_h.path, 1989 CAM_PRIORITY_NONE); 1990 reset_ccb->ccb_h.func_code = XPT_RESET_BUS; 1991 xpt_action(reset_ccb); 1992 if (reset_ccb->ccb_h.status != CAM_REQ_CMP) { 1993 request_ccb->ccb_h.status = reset_ccb->ccb_h.status; 1994 xpt_free_ccb(reset_ccb); 1995 xpt_free_ccb(work_ccb); 1996 xpt_done(request_ccb); 1997 return; 1998 } 1999 xpt_free_ccb(reset_ccb); 2000 } 2001 2002 /* Save some state for use while we probe for devices */ 2003 scan_info = (scsi_scan_bus_info *) malloc(sizeof(scsi_scan_bus_info) + 2004 (work_ccb->cpi.max_target * sizeof (u_int)), M_CAMXPT, M_ZERO|M_NOWAIT); 2005 if (scan_info == NULL) { 2006 request_ccb->ccb_h.status = CAM_RESRC_UNAVAIL; 2007 xpt_free_ccb(work_ccb); 2008 xpt_done(request_ccb); 2009 return; 2010 } 2011 CAM_DEBUG(request_ccb->ccb_h.path, CAM_DEBUG_TRACE, 2012 ("SCAN start for %p\n", scan_info)); 2013 scan_info->request_ccb = request_ccb; 2014 scan_info->cpi = &work_ccb->cpi; 2015 2016 /* Cache on our stack so we can work asynchronously */ 2017 max_target = scan_info->cpi->max_target; 2018 low_target = 0; 2019 initiator_id = scan_info->cpi->initiator_id; 2020 2021 /* 2022 * We can scan all targets in parallel, or do it sequentially. 2023 */ 2024 2025 if (request_ccb->ccb_h.func_code == XPT_SCAN_TGT) { 2026 max_target = low_target = request_ccb->ccb_h.target_id; 2027 scan_info->counter = 0; 2028 } else if (scan_info->cpi->hba_misc & PIM_SEQSCAN) { 2029 max_target = 0; 2030 scan_info->counter = 0; 2031 } else { 2032 scan_info->counter = scan_info->cpi->max_target + 1; 2033 if (scan_info->cpi->initiator_id < scan_info->counter) { 2034 scan_info->counter--; 2035 } 2036 } 2037 mtx = xpt_path_mtx(scan_info->request_ccb->ccb_h.path); 2038 mtx_unlock(mtx); 2039 2040 for (i = low_target; i <= max_target; i++) { 2041 cam_status status; 2042 if (i == initiator_id) 2043 continue; 2044 2045 status = xpt_create_path(&path, NULL, 2046 request_ccb->ccb_h.path_id, 2047 i, 0); 2048 if (status != CAM_REQ_CMP) { 2049 printf("scsi_scan_bus: xpt_create_path failed" 2050 " with status %#x, bus scan halted\n", 2051 status); 2052 free(scan_info, M_CAMXPT); 2053 request_ccb->ccb_h.status = status; 2054 xpt_free_ccb(work_ccb); 2055 xpt_done(request_ccb); 2056 break; 2057 } 2058 work_ccb = xpt_alloc_ccb_nowait(); 2059 if (work_ccb == NULL) { 2060 xpt_free_ccb((union ccb *)scan_info->cpi); 2061 free(scan_info, M_CAMXPT); 2062 xpt_free_path(path); 2063 request_ccb->ccb_h.status = CAM_RESRC_UNAVAIL; 2064 xpt_done(request_ccb); 2065 break; 2066 } 2067 xpt_setup_ccb(&work_ccb->ccb_h, path, 2068 request_ccb->ccb_h.pinfo.priority); 2069 work_ccb->ccb_h.func_code = XPT_SCAN_LUN; 2070 work_ccb->ccb_h.cbfcnp = scsi_scan_bus; 2071 work_ccb->ccb_h.flags |= CAM_UNLOCKED; 2072 work_ccb->ccb_h.ppriv_ptr0 = scan_info; 2073 work_ccb->crcn.flags = request_ccb->crcn.flags; 2074 xpt_action(work_ccb); 2075 } 2076 2077 mtx_lock(mtx); 2078 break; 2079 } 2080 case XPT_SCAN_LUN: 2081 { 2082 cam_status status; 2083 struct cam_path *path, *oldpath; 2084 scsi_scan_bus_info *scan_info; 2085 struct cam_et *target; 2086 struct cam_ed *device, *nextdev; 2087 int next_target; 2088 path_id_t path_id; 2089 target_id_t target_id; 2090 lun_id_t lun_id; 2091 2092 oldpath = request_ccb->ccb_h.path; 2093 2094 status = cam_ccb_status(request_ccb); 2095 scan_info = (scsi_scan_bus_info *)request_ccb->ccb_h.ppriv_ptr0; 2096 path_id = request_ccb->ccb_h.path_id; 2097 target_id = request_ccb->ccb_h.target_id; 2098 lun_id = request_ccb->ccb_h.target_lun; 2099 target = request_ccb->ccb_h.path->target; 2100 next_target = 1; 2101 2102 mtx = xpt_path_mtx(scan_info->request_ccb->ccb_h.path); 2103 mtx_lock(mtx); 2104 mtx_lock(&target->luns_mtx); 2105 if (target->luns) { 2106 lun_id_t first; 2107 u_int nluns = scsi_4btoul(target->luns->length) / 8; 2108 2109 /* 2110 * Make sure we skip over lun 0 if it's the first member 2111 * of the list as we've actually just finished probing 2112 * it. 2113 */ 2114 CAM_GET_LUN(target->luns, 0, first); 2115 if (first == 0 && scan_info->lunindex[target_id] == 0) { 2116 scan_info->lunindex[target_id]++; 2117 } 2118 2119 /* 2120 * Skip any LUNs that the HBA can't deal with. 2121 */ 2122 while (scan_info->lunindex[target_id] < nluns) { 2123 if (scan_info->cpi->hba_misc & PIM_EXTLUNS) { 2124 CAM_GET_LUN(target->luns, 2125 scan_info->lunindex[target_id], 2126 lun_id); 2127 break; 2128 } 2129 2130 if (CAM_CAN_GET_SIMPLE_LUN(target->luns, 2131 scan_info->lunindex[target_id])) { 2132 CAM_GET_SIMPLE_LUN(target->luns, 2133 scan_info->lunindex[target_id], 2134 lun_id); 2135 break; 2136 } 2137 2138 scan_info->lunindex[target_id]++; 2139 } 2140 2141 if (scan_info->lunindex[target_id] < nluns) { 2142 mtx_unlock(&target->luns_mtx); 2143 next_target = 0; 2144 CAM_DEBUG(request_ccb->ccb_h.path, 2145 CAM_DEBUG_PROBE, 2146 ("next lun to try at index %u is %jx\n", 2147 scan_info->lunindex[target_id], 2148 (uintmax_t)lun_id)); 2149 scan_info->lunindex[target_id]++; 2150 } else { 2151 mtx_unlock(&target->luns_mtx); 2152 /* We're done with scanning all luns. */ 2153 } 2154 } else { 2155 mtx_unlock(&target->luns_mtx); 2156 device = request_ccb->ccb_h.path->device; 2157 /* Continue sequential LUN scan if: */ 2158 /* -- we have more LUNs that need recheck */ 2159 mtx_lock(&target->bus->eb_mtx); 2160 nextdev = device; 2161 while ((nextdev = TAILQ_NEXT(nextdev, links)) != NULL) 2162 if ((nextdev->flags & CAM_DEV_UNCONFIGURED) == 0) 2163 break; 2164 mtx_unlock(&target->bus->eb_mtx); 2165 if (nextdev != NULL) { 2166 next_target = 0; 2167 /* -- stop if CAM_QUIRK_NOLUNS is set. */ 2168 } else if (SCSI_QUIRK(device)->quirks & CAM_QUIRK_NOLUNS) { 2169 next_target = 1; 2170 /* -- this LUN is connected and its SCSI version 2171 * allows more LUNs. */ 2172 } else if ((device->flags & CAM_DEV_UNCONFIGURED) == 0) { 2173 if (lun_id < (CAM_SCSI2_MAXLUN-1) || 2174 CAN_SRCH_HI_DENSE(device)) 2175 next_target = 0; 2176 /* -- this LUN is disconnected, its SCSI version 2177 * allows more LUNs and we guess they may be. */ 2178 } else if ((device->flags & CAM_DEV_INQUIRY_DATA_VALID) != 0) { 2179 if (lun_id < (CAM_SCSI2_MAXLUN-1) || 2180 CAN_SRCH_HI_SPARSE(device)) 2181 next_target = 0; 2182 } 2183 if (next_target == 0) { 2184 lun_id++; 2185 if (lun_id > scan_info->cpi->max_lun) 2186 next_target = 1; 2187 } 2188 } 2189 2190 /* 2191 * Check to see if we scan any further luns. 2192 */ 2193 if (next_target) { 2194 int done; 2195 2196 /* 2197 * Free the current request path- we're done with it. 2198 */ 2199 xpt_free_path(oldpath); 2200 hop_again: 2201 done = 0; 2202 if (scan_info->request_ccb->ccb_h.func_code == XPT_SCAN_TGT) { 2203 done = 1; 2204 } else if (scan_info->cpi->hba_misc & PIM_SEQSCAN) { 2205 scan_info->counter++; 2206 if (scan_info->counter == 2207 scan_info->cpi->initiator_id) { 2208 scan_info->counter++; 2209 } 2210 if (scan_info->counter >= 2211 scan_info->cpi->max_target+1) { 2212 done = 1; 2213 } 2214 } else { 2215 scan_info->counter--; 2216 if (scan_info->counter == 0) { 2217 done = 1; 2218 } 2219 } 2220 if (done) { 2221 mtx_unlock(mtx); 2222 xpt_free_ccb(request_ccb); 2223 xpt_free_ccb((union ccb *)scan_info->cpi); 2224 request_ccb = scan_info->request_ccb; 2225 CAM_DEBUG(request_ccb->ccb_h.path, 2226 CAM_DEBUG_TRACE, 2227 ("SCAN done for %p\n", scan_info)); 2228 free(scan_info, M_CAMXPT); 2229 request_ccb->ccb_h.status = CAM_REQ_CMP; 2230 xpt_done(request_ccb); 2231 break; 2232 } 2233 2234 if ((scan_info->cpi->hba_misc & PIM_SEQSCAN) == 0) { 2235 mtx_unlock(mtx); 2236 xpt_free_ccb(request_ccb); 2237 break; 2238 } 2239 status = xpt_create_path(&path, NULL, 2240 scan_info->request_ccb->ccb_h.path_id, 2241 scan_info->counter, 0); 2242 if (status != CAM_REQ_CMP) { 2243 mtx_unlock(mtx); 2244 printf("scsi_scan_bus: xpt_create_path failed" 2245 " with status %#x, bus scan halted\n", 2246 status); 2247 xpt_free_ccb(request_ccb); 2248 xpt_free_ccb((union ccb *)scan_info->cpi); 2249 request_ccb = scan_info->request_ccb; 2250 free(scan_info, M_CAMXPT); 2251 request_ccb->ccb_h.status = status; 2252 xpt_done(request_ccb); 2253 break; 2254 } 2255 xpt_setup_ccb(&request_ccb->ccb_h, path, 2256 request_ccb->ccb_h.pinfo.priority); 2257 request_ccb->ccb_h.func_code = XPT_SCAN_LUN; 2258 request_ccb->ccb_h.cbfcnp = scsi_scan_bus; 2259 request_ccb->ccb_h.flags |= CAM_UNLOCKED; 2260 request_ccb->ccb_h.ppriv_ptr0 = scan_info; 2261 request_ccb->crcn.flags = 2262 scan_info->request_ccb->crcn.flags; 2263 } else { 2264 status = xpt_create_path(&path, NULL, 2265 path_id, target_id, lun_id); 2266 /* 2267 * Free the old request path- we're done with it. We 2268 * do this *after* creating the new path so that 2269 * we don't remove a target that has our lun list 2270 * in the case that lun 0 is not present. 2271 */ 2272 xpt_free_path(oldpath); 2273 if (status != CAM_REQ_CMP) { 2274 printf("scsi_scan_bus: xpt_create_path failed " 2275 "with status %#x, halting LUN scan\n", 2276 status); 2277 goto hop_again; 2278 } 2279 xpt_setup_ccb(&request_ccb->ccb_h, path, 2280 request_ccb->ccb_h.pinfo.priority); 2281 request_ccb->ccb_h.func_code = XPT_SCAN_LUN; 2282 request_ccb->ccb_h.cbfcnp = scsi_scan_bus; 2283 request_ccb->ccb_h.flags |= CAM_UNLOCKED; 2284 request_ccb->ccb_h.ppriv_ptr0 = scan_info; 2285 request_ccb->crcn.flags = 2286 scan_info->request_ccb->crcn.flags; 2287 } 2288 mtx_unlock(mtx); 2289 xpt_action(request_ccb); 2290 break; 2291 } 2292 default: 2293 break; 2294 } 2295 } 2296 2297 static void 2298 scsi_scan_lun(struct cam_periph *periph, struct cam_path *path, 2299 cam_flags flags, union ccb *request_ccb) 2300 { 2301 struct ccb_pathinq cpi; 2302 cam_status status; 2303 struct cam_path *new_path; 2304 struct cam_periph *old_periph; 2305 int lock; 2306 2307 CAM_DEBUG(path, CAM_DEBUG_TRACE, ("scsi_scan_lun\n")); 2308 2309 xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NONE); 2310 cpi.ccb_h.func_code = XPT_PATH_INQ; 2311 xpt_action((union ccb *)&cpi); 2312 2313 if (cpi.ccb_h.status != CAM_REQ_CMP) { 2314 if (request_ccb != NULL) { 2315 request_ccb->ccb_h.status = cpi.ccb_h.status; 2316 xpt_done(request_ccb); 2317 } 2318 return; 2319 } 2320 2321 if ((cpi.hba_misc & PIM_NOINITIATOR) != 0) { 2322 /* 2323 * Can't scan the bus on an adapter that 2324 * cannot perform the initiator role. 2325 */ 2326 if (request_ccb != NULL) { 2327 request_ccb->ccb_h.status = CAM_REQ_CMP; 2328 xpt_done(request_ccb); 2329 } 2330 return; 2331 } 2332 2333 if (request_ccb == NULL) { 2334 request_ccb = xpt_alloc_ccb_nowait(); 2335 if (request_ccb == NULL) { 2336 xpt_print(path, "scsi_scan_lun: can't allocate CCB, " 2337 "can't continue\n"); 2338 return; 2339 } 2340 status = xpt_create_path(&new_path, NULL, 2341 path->bus->path_id, 2342 path->target->target_id, 2343 path->device->lun_id); 2344 if (status != CAM_REQ_CMP) { 2345 xpt_print(path, "scsi_scan_lun: can't create path, " 2346 "can't continue\n"); 2347 xpt_free_ccb(request_ccb); 2348 return; 2349 } 2350 xpt_setup_ccb(&request_ccb->ccb_h, new_path, CAM_PRIORITY_XPT); 2351 request_ccb->ccb_h.cbfcnp = xptscandone; 2352 request_ccb->ccb_h.func_code = XPT_SCAN_LUN; 2353 request_ccb->ccb_h.flags |= CAM_UNLOCKED; 2354 request_ccb->crcn.flags = flags; 2355 } 2356 2357 lock = (xpt_path_owned(path) == 0); 2358 if (lock) 2359 xpt_path_lock(path); 2360 if ((old_periph = cam_periph_find(path, "probe")) != NULL) { 2361 if ((old_periph->flags & CAM_PERIPH_INVALID) == 0) { 2362 probe_softc *softc; 2363 2364 softc = (probe_softc *)old_periph->softc; 2365 TAILQ_INSERT_TAIL(&softc->request_ccbs, 2366 &request_ccb->ccb_h, periph_links.tqe); 2367 } else { 2368 request_ccb->ccb_h.status = CAM_REQ_CMP_ERR; 2369 xpt_done(request_ccb); 2370 } 2371 } else { 2372 status = cam_periph_alloc(proberegister, NULL, probecleanup, 2373 probestart, "probe", 2374 CAM_PERIPH_BIO, 2375 request_ccb->ccb_h.path, NULL, 0, 2376 request_ccb); 2377 2378 if (status != CAM_REQ_CMP) { 2379 xpt_print(path, "scsi_scan_lun: cam_alloc_periph " 2380 "returned an error, can't continue probe\n"); 2381 request_ccb->ccb_h.status = status; 2382 xpt_done(request_ccb); 2383 } 2384 } 2385 if (lock) 2386 xpt_path_unlock(path); 2387 } 2388 2389 static void 2390 xptscandone(struct cam_periph *periph, union ccb *done_ccb) 2391 { 2392 2393 xpt_free_path(done_ccb->ccb_h.path); 2394 xpt_free_ccb(done_ccb); 2395 } 2396 2397 static struct cam_ed * 2398 scsi_alloc_device(struct cam_eb *bus, struct cam_et *target, lun_id_t lun_id) 2399 { 2400 struct scsi_quirk_entry *quirk; 2401 struct cam_ed *device; 2402 2403 device = xpt_alloc_device(bus, target, lun_id); 2404 if (device == NULL) 2405 return (NULL); 2406 2407 /* 2408 * Take the default quirk entry until we have inquiry 2409 * data and can determine a better quirk to use. 2410 */ 2411 quirk = &scsi_quirk_table[nitems(scsi_quirk_table) - 1]; 2412 device->quirk = (void *)quirk; 2413 device->mintags = quirk->mintags; 2414 device->maxtags = quirk->maxtags; 2415 bzero(&device->inq_data, sizeof(device->inq_data)); 2416 device->inq_flags = 0; 2417 device->queue_flags = 0; 2418 device->serial_num = NULL; 2419 device->serial_num_len = 0; 2420 device->device_id = NULL; 2421 device->device_id_len = 0; 2422 device->supported_vpds = NULL; 2423 device->supported_vpds_len = 0; 2424 return (device); 2425 } 2426 2427 static void 2428 scsi_devise_transport(struct cam_path *path) 2429 { 2430 struct ccb_pathinq cpi; 2431 struct ccb_trans_settings cts; 2432 struct scsi_inquiry_data *inq_buf; 2433 2434 /* Get transport information from the SIM */ 2435 xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NONE); 2436 cpi.ccb_h.func_code = XPT_PATH_INQ; 2437 xpt_action((union ccb *)&cpi); 2438 2439 inq_buf = NULL; 2440 if ((path->device->flags & CAM_DEV_INQUIRY_DATA_VALID) != 0) 2441 inq_buf = &path->device->inq_data; 2442 path->device->protocol = PROTO_SCSI; 2443 path->device->protocol_version = 2444 inq_buf != NULL ? SID_ANSI_REV(inq_buf) : cpi.protocol_version; 2445 path->device->transport = cpi.transport; 2446 path->device->transport_version = cpi.transport_version; 2447 2448 /* 2449 * Any device not using SPI3 features should 2450 * be considered SPI2 or lower. 2451 */ 2452 if (inq_buf != NULL) { 2453 if (path->device->transport == XPORT_SPI 2454 && (inq_buf->spi3data & SID_SPI_MASK) == 0 2455 && path->device->transport_version > 2) 2456 path->device->transport_version = 2; 2457 } else { 2458 struct cam_ed* otherdev; 2459 2460 for (otherdev = TAILQ_FIRST(&path->target->ed_entries); 2461 otherdev != NULL; 2462 otherdev = TAILQ_NEXT(otherdev, links)) { 2463 if (otherdev != path->device) 2464 break; 2465 } 2466 2467 if (otherdev != NULL) { 2468 /* 2469 * Initially assume the same versioning as 2470 * prior luns for this target. 2471 */ 2472 path->device->protocol_version = 2473 otherdev->protocol_version; 2474 path->device->transport_version = 2475 otherdev->transport_version; 2476 } else { 2477 /* Until we know better, opt for safety */ 2478 path->device->protocol_version = 2; 2479 if (path->device->transport == XPORT_SPI) 2480 path->device->transport_version = 2; 2481 else 2482 path->device->transport_version = 0; 2483 } 2484 } 2485 2486 /* 2487 * XXX 2488 * For a device compliant with SPC-2 we should be able 2489 * to determine the transport version supported by 2490 * scrutinizing the version descriptors in the 2491 * inquiry buffer. 2492 */ 2493 2494 /* Tell the controller what we think */ 2495 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 2496 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 2497 cts.type = CTS_TYPE_CURRENT_SETTINGS; 2498 cts.transport = path->device->transport; 2499 cts.transport_version = path->device->transport_version; 2500 cts.protocol = path->device->protocol; 2501 cts.protocol_version = path->device->protocol_version; 2502 cts.proto_specific.valid = 0; 2503 cts.xport_specific.valid = 0; 2504 xpt_action((union ccb *)&cts); 2505 } 2506 2507 static void 2508 scsi_dev_advinfo(union ccb *start_ccb) 2509 { 2510 struct cam_ed *device; 2511 struct ccb_dev_advinfo *cdai; 2512 off_t amt; 2513 2514 xpt_path_assert(start_ccb->ccb_h.path, MA_OWNED); 2515 start_ccb->ccb_h.status = CAM_REQ_INVALID; 2516 device = start_ccb->ccb_h.path->device; 2517 cdai = &start_ccb->cdai; 2518 switch(cdai->buftype) { 2519 case CDAI_TYPE_SCSI_DEVID: 2520 if (cdai->flags & CDAI_FLAG_STORE) 2521 return; 2522 cdai->provsiz = device->device_id_len; 2523 if (device->device_id_len == 0) 2524 break; 2525 amt = device->device_id_len; 2526 if (cdai->provsiz > cdai->bufsiz) 2527 amt = cdai->bufsiz; 2528 memcpy(cdai->buf, device->device_id, amt); 2529 break; 2530 case CDAI_TYPE_SERIAL_NUM: 2531 if (cdai->flags & CDAI_FLAG_STORE) 2532 return; 2533 cdai->provsiz = device->serial_num_len; 2534 if (device->serial_num_len == 0) 2535 break; 2536 amt = device->serial_num_len; 2537 if (cdai->provsiz > cdai->bufsiz) 2538 amt = cdai->bufsiz; 2539 memcpy(cdai->buf, device->serial_num, amt); 2540 break; 2541 case CDAI_TYPE_PHYS_PATH: 2542 if (cdai->flags & CDAI_FLAG_STORE) { 2543 if (device->physpath != NULL) { 2544 free(device->physpath, M_CAMXPT); 2545 device->physpath = NULL; 2546 device->physpath_len = 0; 2547 } 2548 /* Clear existing buffer if zero length */ 2549 if (cdai->bufsiz == 0) 2550 break; 2551 device->physpath = malloc(cdai->bufsiz, M_CAMXPT, M_NOWAIT); 2552 if (device->physpath == NULL) { 2553 start_ccb->ccb_h.status = CAM_REQ_ABORTED; 2554 return; 2555 } 2556 device->physpath_len = cdai->bufsiz; 2557 memcpy(device->physpath, cdai->buf, cdai->bufsiz); 2558 } else { 2559 cdai->provsiz = device->physpath_len; 2560 if (device->physpath_len == 0) 2561 break; 2562 amt = device->physpath_len; 2563 if (cdai->provsiz > cdai->bufsiz) 2564 amt = cdai->bufsiz; 2565 memcpy(cdai->buf, device->physpath, amt); 2566 } 2567 break; 2568 case CDAI_TYPE_RCAPLONG: 2569 if (cdai->flags & CDAI_FLAG_STORE) { 2570 if (device->rcap_buf != NULL) { 2571 free(device->rcap_buf, M_CAMXPT); 2572 device->rcap_buf = NULL; 2573 } 2574 2575 device->rcap_len = cdai->bufsiz; 2576 /* Clear existing buffer if zero length */ 2577 if (cdai->bufsiz == 0) 2578 break; 2579 2580 device->rcap_buf = malloc(cdai->bufsiz, M_CAMXPT, 2581 M_NOWAIT); 2582 if (device->rcap_buf == NULL) { 2583 start_ccb->ccb_h.status = CAM_REQ_ABORTED; 2584 return; 2585 } 2586 2587 memcpy(device->rcap_buf, cdai->buf, cdai->bufsiz); 2588 } else { 2589 cdai->provsiz = device->rcap_len; 2590 if (device->rcap_len == 0) 2591 break; 2592 amt = device->rcap_len; 2593 if (cdai->provsiz > cdai->bufsiz) 2594 amt = cdai->bufsiz; 2595 memcpy(cdai->buf, device->rcap_buf, amt); 2596 } 2597 break; 2598 case CDAI_TYPE_EXT_INQ: 2599 /* 2600 * We fetch extended inquiry data during probe, if 2601 * available. We don't allow changing it. 2602 */ 2603 if (cdai->flags & CDAI_FLAG_STORE) 2604 return; 2605 cdai->provsiz = device->ext_inq_len; 2606 if (device->ext_inq_len == 0) 2607 break; 2608 amt = device->ext_inq_len; 2609 if (cdai->provsiz > cdai->bufsiz) 2610 amt = cdai->bufsiz; 2611 memcpy(cdai->buf, device->ext_inq, amt); 2612 break; 2613 default: 2614 return; 2615 } 2616 start_ccb->ccb_h.status = CAM_REQ_CMP; 2617 2618 if (cdai->flags & CDAI_FLAG_STORE) { 2619 xpt_async(AC_ADVINFO_CHANGED, start_ccb->ccb_h.path, 2620 (void *)(uintptr_t)cdai->buftype); 2621 } 2622 } 2623 2624 static void 2625 scsi_action(union ccb *start_ccb) 2626 { 2627 2628 switch (start_ccb->ccb_h.func_code) { 2629 case XPT_SET_TRAN_SETTINGS: 2630 { 2631 scsi_set_transfer_settings(&start_ccb->cts, 2632 start_ccb->ccb_h.path, 2633 /*async_update*/FALSE); 2634 break; 2635 } 2636 case XPT_SCAN_BUS: 2637 case XPT_SCAN_TGT: 2638 scsi_scan_bus(start_ccb->ccb_h.path->periph, start_ccb); 2639 break; 2640 case XPT_SCAN_LUN: 2641 scsi_scan_lun(start_ccb->ccb_h.path->periph, 2642 start_ccb->ccb_h.path, start_ccb->crcn.flags, 2643 start_ccb); 2644 break; 2645 case XPT_DEV_ADVINFO: 2646 { 2647 scsi_dev_advinfo(start_ccb); 2648 break; 2649 } 2650 default: 2651 xpt_action_default(start_ccb); 2652 break; 2653 } 2654 } 2655 2656 static void 2657 scsi_set_transfer_settings(struct ccb_trans_settings *cts, struct cam_path *path, 2658 int async_update) 2659 { 2660 struct ccb_pathinq cpi; 2661 struct ccb_trans_settings cur_cts; 2662 struct ccb_trans_settings_scsi *scsi; 2663 struct ccb_trans_settings_scsi *cur_scsi; 2664 struct scsi_inquiry_data *inq_data; 2665 struct cam_ed *device; 2666 2667 if (path == NULL || (device = path->device) == NULL) { 2668 cts->ccb_h.status = CAM_PATH_INVALID; 2669 xpt_done((union ccb *)cts); 2670 return; 2671 } 2672 2673 if (cts->protocol == PROTO_UNKNOWN 2674 || cts->protocol == PROTO_UNSPECIFIED) { 2675 cts->protocol = device->protocol; 2676 cts->protocol_version = device->protocol_version; 2677 } 2678 2679 if (cts->protocol_version == PROTO_VERSION_UNKNOWN 2680 || cts->protocol_version == PROTO_VERSION_UNSPECIFIED) 2681 cts->protocol_version = device->protocol_version; 2682 2683 if (cts->protocol != device->protocol) { 2684 xpt_print(path, "Uninitialized Protocol %x:%x?\n", 2685 cts->protocol, device->protocol); 2686 cts->protocol = device->protocol; 2687 } 2688 2689 if (cts->protocol_version > device->protocol_version) { 2690 if (bootverbose) { 2691 xpt_print(path, "Down reving Protocol " 2692 "Version from %d to %d?\n", cts->protocol_version, 2693 device->protocol_version); 2694 } 2695 cts->protocol_version = device->protocol_version; 2696 } 2697 2698 if (cts->transport == XPORT_UNKNOWN 2699 || cts->transport == XPORT_UNSPECIFIED) { 2700 cts->transport = device->transport; 2701 cts->transport_version = device->transport_version; 2702 } 2703 2704 if (cts->transport_version == XPORT_VERSION_UNKNOWN 2705 || cts->transport_version == XPORT_VERSION_UNSPECIFIED) 2706 cts->transport_version = device->transport_version; 2707 2708 if (cts->transport != device->transport) { 2709 xpt_print(path, "Uninitialized Transport %x:%x?\n", 2710 cts->transport, device->transport); 2711 cts->transport = device->transport; 2712 } 2713 2714 if (cts->transport_version > device->transport_version) { 2715 if (bootverbose) { 2716 xpt_print(path, "Down reving Transport " 2717 "Version from %d to %d?\n", cts->transport_version, 2718 device->transport_version); 2719 } 2720 cts->transport_version = device->transport_version; 2721 } 2722 2723 /* 2724 * Nothing more of interest to do unless 2725 * this is a device connected via the 2726 * SCSI protocol. 2727 */ 2728 if (cts->protocol != PROTO_SCSI) { 2729 if (async_update == FALSE) 2730 xpt_action_default((union ccb *)cts); 2731 return; 2732 } 2733 2734 inq_data = &device->inq_data; 2735 scsi = &cts->proto_specific.scsi; 2736 xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NONE); 2737 cpi.ccb_h.func_code = XPT_PATH_INQ; 2738 xpt_action((union ccb *)&cpi); 2739 2740 /* SCSI specific sanity checking */ 2741 if ((cpi.hba_inquiry & PI_TAG_ABLE) == 0 2742 || (INQ_DATA_TQ_ENABLED(inq_data)) == 0 2743 || (device->queue_flags & SCP_QUEUE_DQUE) != 0 2744 || (device->mintags == 0)) { 2745 /* 2746 * Can't tag on hardware that doesn't support tags, 2747 * doesn't have it enabled, or has broken tag support. 2748 */ 2749 scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB; 2750 } 2751 2752 if (async_update == FALSE) { 2753 /* 2754 * Perform sanity checking against what the 2755 * controller and device can do. 2756 */ 2757 xpt_setup_ccb(&cur_cts.ccb_h, path, CAM_PRIORITY_NONE); 2758 cur_cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 2759 cur_cts.type = cts->type; 2760 xpt_action((union ccb *)&cur_cts); 2761 if (cam_ccb_status((union ccb *)&cur_cts) != CAM_REQ_CMP) { 2762 return; 2763 } 2764 cur_scsi = &cur_cts.proto_specific.scsi; 2765 if ((scsi->valid & CTS_SCSI_VALID_TQ) == 0) { 2766 scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB; 2767 scsi->flags |= cur_scsi->flags & CTS_SCSI_FLAGS_TAG_ENB; 2768 } 2769 if ((cur_scsi->valid & CTS_SCSI_VALID_TQ) == 0) 2770 scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB; 2771 } 2772 2773 /* SPI specific sanity checking */ 2774 if (cts->transport == XPORT_SPI && async_update == FALSE) { 2775 u_int spi3caps; 2776 struct ccb_trans_settings_spi *spi; 2777 struct ccb_trans_settings_spi *cur_spi; 2778 2779 spi = &cts->xport_specific.spi; 2780 2781 cur_spi = &cur_cts.xport_specific.spi; 2782 2783 /* Fill in any gaps in what the user gave us */ 2784 if ((spi->valid & CTS_SPI_VALID_SYNC_RATE) == 0) 2785 spi->sync_period = cur_spi->sync_period; 2786 if ((cur_spi->valid & CTS_SPI_VALID_SYNC_RATE) == 0) 2787 spi->sync_period = 0; 2788 if ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) == 0) 2789 spi->sync_offset = cur_spi->sync_offset; 2790 if ((cur_spi->valid & CTS_SPI_VALID_SYNC_OFFSET) == 0) 2791 spi->sync_offset = 0; 2792 if ((spi->valid & CTS_SPI_VALID_PPR_OPTIONS) == 0) 2793 spi->ppr_options = cur_spi->ppr_options; 2794 if ((cur_spi->valid & CTS_SPI_VALID_PPR_OPTIONS) == 0) 2795 spi->ppr_options = 0; 2796 if ((spi->valid & CTS_SPI_VALID_BUS_WIDTH) == 0) 2797 spi->bus_width = cur_spi->bus_width; 2798 if ((cur_spi->valid & CTS_SPI_VALID_BUS_WIDTH) == 0) 2799 spi->bus_width = 0; 2800 if ((spi->valid & CTS_SPI_VALID_DISC) == 0) { 2801 spi->flags &= ~CTS_SPI_FLAGS_DISC_ENB; 2802 spi->flags |= cur_spi->flags & CTS_SPI_FLAGS_DISC_ENB; 2803 } 2804 if ((cur_spi->valid & CTS_SPI_VALID_DISC) == 0) 2805 spi->flags &= ~CTS_SPI_FLAGS_DISC_ENB; 2806 if (((device->flags & CAM_DEV_INQUIRY_DATA_VALID) != 0 2807 && (inq_data->flags & SID_Sync) == 0 2808 && cts->type == CTS_TYPE_CURRENT_SETTINGS) 2809 || ((cpi.hba_inquiry & PI_SDTR_ABLE) == 0)) { 2810 /* Force async */ 2811 spi->sync_period = 0; 2812 spi->sync_offset = 0; 2813 } 2814 2815 switch (spi->bus_width) { 2816 case MSG_EXT_WDTR_BUS_32_BIT: 2817 if (((device->flags & CAM_DEV_INQUIRY_DATA_VALID) == 0 2818 || (inq_data->flags & SID_WBus32) != 0 2819 || cts->type == CTS_TYPE_USER_SETTINGS) 2820 && (cpi.hba_inquiry & PI_WIDE_32) != 0) 2821 break; 2822 /* Fall Through to 16-bit */ 2823 case MSG_EXT_WDTR_BUS_16_BIT: 2824 if (((device->flags & CAM_DEV_INQUIRY_DATA_VALID) == 0 2825 || (inq_data->flags & SID_WBus16) != 0 2826 || cts->type == CTS_TYPE_USER_SETTINGS) 2827 && (cpi.hba_inquiry & PI_WIDE_16) != 0) { 2828 spi->bus_width = MSG_EXT_WDTR_BUS_16_BIT; 2829 break; 2830 } 2831 /* Fall Through to 8-bit */ 2832 default: /* New bus width?? */ 2833 case MSG_EXT_WDTR_BUS_8_BIT: 2834 /* All targets can do this */ 2835 spi->bus_width = MSG_EXT_WDTR_BUS_8_BIT; 2836 break; 2837 } 2838 2839 spi3caps = cpi.xport_specific.spi.ppr_options; 2840 if ((device->flags & CAM_DEV_INQUIRY_DATA_VALID) != 0 2841 && cts->type == CTS_TYPE_CURRENT_SETTINGS) 2842 spi3caps &= inq_data->spi3data; 2843 2844 if ((spi3caps & SID_SPI_CLOCK_DT) == 0) 2845 spi->ppr_options &= ~MSG_EXT_PPR_DT_REQ; 2846 2847 if ((spi3caps & SID_SPI_IUS) == 0) 2848 spi->ppr_options &= ~MSG_EXT_PPR_IU_REQ; 2849 2850 if ((spi3caps & SID_SPI_QAS) == 0) 2851 spi->ppr_options &= ~MSG_EXT_PPR_QAS_REQ; 2852 2853 /* No SPI Transfer settings are allowed unless we are wide */ 2854 if (spi->bus_width == 0) 2855 spi->ppr_options = 0; 2856 2857 if ((spi->valid & CTS_SPI_VALID_DISC) 2858 && ((spi->flags & CTS_SPI_FLAGS_DISC_ENB) == 0)) { 2859 /* 2860 * Can't tag queue without disconnection. 2861 */ 2862 scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB; 2863 scsi->valid |= CTS_SCSI_VALID_TQ; 2864 } 2865 2866 /* 2867 * If we are currently performing tagged transactions to 2868 * this device and want to change its negotiation parameters, 2869 * go non-tagged for a bit to give the controller a chance to 2870 * negotiate unhampered by tag messages. 2871 */ 2872 if (cts->type == CTS_TYPE_CURRENT_SETTINGS 2873 && (device->inq_flags & SID_CmdQue) != 0 2874 && (scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0 2875 && (spi->flags & (CTS_SPI_VALID_SYNC_RATE| 2876 CTS_SPI_VALID_SYNC_OFFSET| 2877 CTS_SPI_VALID_BUS_WIDTH)) != 0) 2878 scsi_toggle_tags(path); 2879 } 2880 2881 if (cts->type == CTS_TYPE_CURRENT_SETTINGS 2882 && (scsi->valid & CTS_SCSI_VALID_TQ) != 0) { 2883 int device_tagenb; 2884 2885 /* 2886 * If we are transitioning from tags to no-tags or 2887 * vice-versa, we need to carefully freeze and restart 2888 * the queue so that we don't overlap tagged and non-tagged 2889 * commands. We also temporarily stop tags if there is 2890 * a change in transfer negotiation settings to allow 2891 * "tag-less" negotiation. 2892 */ 2893 if ((device->flags & CAM_DEV_TAG_AFTER_COUNT) != 0 2894 || (device->inq_flags & SID_CmdQue) != 0) 2895 device_tagenb = TRUE; 2896 else 2897 device_tagenb = FALSE; 2898 2899 if (((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0 2900 && device_tagenb == FALSE) 2901 || ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) == 0 2902 && device_tagenb == TRUE)) { 2903 if ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0) { 2904 /* 2905 * Delay change to use tags until after a 2906 * few commands have gone to this device so 2907 * the controller has time to perform transfer 2908 * negotiations without tagged messages getting 2909 * in the way. 2910 */ 2911 device->tag_delay_count = CAM_TAG_DELAY_COUNT; 2912 device->flags |= CAM_DEV_TAG_AFTER_COUNT; 2913 } else { 2914 xpt_stop_tags(path); 2915 } 2916 } 2917 } 2918 if (async_update == FALSE) 2919 xpt_action_default((union ccb *)cts); 2920 } 2921 2922 static void 2923 scsi_toggle_tags(struct cam_path *path) 2924 { 2925 struct cam_ed *dev; 2926 2927 /* 2928 * Give controllers a chance to renegotiate 2929 * before starting tag operations. We 2930 * "toggle" tagged queuing off then on 2931 * which causes the tag enable command delay 2932 * counter to come into effect. 2933 */ 2934 dev = path->device; 2935 if ((dev->flags & CAM_DEV_TAG_AFTER_COUNT) != 0 2936 || ((dev->inq_flags & SID_CmdQue) != 0 2937 && (dev->inq_flags & (SID_Sync|SID_WBus16|SID_WBus32)) != 0)) { 2938 struct ccb_trans_settings cts; 2939 2940 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 2941 cts.protocol = PROTO_SCSI; 2942 cts.protocol_version = PROTO_VERSION_UNSPECIFIED; 2943 cts.transport = XPORT_UNSPECIFIED; 2944 cts.transport_version = XPORT_VERSION_UNSPECIFIED; 2945 cts.proto_specific.scsi.flags = 0; 2946 cts.proto_specific.scsi.valid = CTS_SCSI_VALID_TQ; 2947 scsi_set_transfer_settings(&cts, path, 2948 /*async_update*/TRUE); 2949 cts.proto_specific.scsi.flags = CTS_SCSI_FLAGS_TAG_ENB; 2950 scsi_set_transfer_settings(&cts, path, 2951 /*async_update*/TRUE); 2952 } 2953 } 2954 2955 /* 2956 * Handle any per-device event notifications that require action by the XPT. 2957 */ 2958 static void 2959 scsi_dev_async(u_int32_t async_code, struct cam_eb *bus, struct cam_et *target, 2960 struct cam_ed *device, void *async_arg) 2961 { 2962 cam_status status; 2963 struct cam_path newpath; 2964 2965 /* 2966 * We only need to handle events for real devices. 2967 */ 2968 if (target->target_id == CAM_TARGET_WILDCARD 2969 || device->lun_id == CAM_LUN_WILDCARD) 2970 return; 2971 2972 /* 2973 * We need our own path with wildcards expanded to 2974 * handle certain types of events. 2975 */ 2976 if ((async_code == AC_SENT_BDR) 2977 || (async_code == AC_BUS_RESET) 2978 || (async_code == AC_INQ_CHANGED)) 2979 status = xpt_compile_path(&newpath, NULL, 2980 bus->path_id, 2981 target->target_id, 2982 device->lun_id); 2983 else 2984 status = CAM_REQ_CMP_ERR; 2985 2986 if (status == CAM_REQ_CMP) { 2987 /* 2988 * Allow transfer negotiation to occur in a 2989 * tag free environment and after settle delay. 2990 */ 2991 if (async_code == AC_SENT_BDR 2992 || async_code == AC_BUS_RESET) { 2993 cam_freeze_devq(&newpath); 2994 cam_release_devq(&newpath, 2995 RELSIM_RELEASE_AFTER_TIMEOUT, 2996 /*reduction*/0, 2997 /*timeout*/scsi_delay, 2998 /*getcount_only*/0); 2999 scsi_toggle_tags(&newpath); 3000 } 3001 3002 if (async_code == AC_INQ_CHANGED) { 3003 /* 3004 * We've sent a start unit command, or 3005 * something similar to a device that 3006 * may have caused its inquiry data to 3007 * change. So we re-scan the device to 3008 * refresh the inquiry data for it. 3009 */ 3010 scsi_scan_lun(newpath.periph, &newpath, 3011 CAM_EXPECT_INQ_CHANGE, NULL); 3012 } 3013 xpt_release_path(&newpath); 3014 } else if (async_code == AC_LOST_DEVICE && 3015 (device->flags & CAM_DEV_UNCONFIGURED) == 0) { 3016 device->flags |= CAM_DEV_UNCONFIGURED; 3017 xpt_release_device(device); 3018 } else if (async_code == AC_TRANSFER_NEG) { 3019 struct ccb_trans_settings *settings; 3020 struct cam_path path; 3021 3022 settings = (struct ccb_trans_settings *)async_arg; 3023 xpt_compile_path(&path, NULL, bus->path_id, target->target_id, 3024 device->lun_id); 3025 scsi_set_transfer_settings(settings, &path, 3026 /*async_update*/TRUE); 3027 xpt_release_path(&path); 3028 } 3029 } 3030 3031 static void 3032 _scsi_announce_periph(struct cam_periph *periph, u_int *speed, u_int *freq, struct ccb_trans_settings *cts) 3033 { 3034 struct ccb_pathinq cpi; 3035 struct cam_path *path = periph->path; 3036 3037 cam_periph_assert(periph, MA_OWNED); 3038 3039 xpt_setup_ccb(&cts->ccb_h, path, CAM_PRIORITY_NORMAL); 3040 cts->ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 3041 cts->type = CTS_TYPE_CURRENT_SETTINGS; 3042 xpt_action((union ccb*)cts); 3043 if (cam_ccb_status((union ccb *)cts) != CAM_REQ_CMP) 3044 return; 3045 3046 /* Ask the SIM for its base transfer speed */ 3047 xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NORMAL); 3048 cpi.ccb_h.func_code = XPT_PATH_INQ; 3049 xpt_action((union ccb *)&cpi); 3050 3051 /* Report connection speed */ 3052 *speed = cpi.base_transfer_speed; 3053 *freq = 0; 3054 3055 if (cts->ccb_h.status == CAM_REQ_CMP && cts->transport == XPORT_SPI) { 3056 struct ccb_trans_settings_spi *spi = 3057 &cts->xport_specific.spi; 3058 3059 if ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) != 0 3060 && spi->sync_offset != 0) { 3061 *freq = scsi_calc_syncsrate(spi->sync_period); 3062 *speed = *freq; 3063 } 3064 if ((spi->valid & CTS_SPI_VALID_BUS_WIDTH) != 0) 3065 *speed *= (0x01 << spi->bus_width); 3066 } 3067 if (cts->ccb_h.status == CAM_REQ_CMP && cts->transport == XPORT_FC) { 3068 struct ccb_trans_settings_fc *fc = 3069 &cts->xport_specific.fc; 3070 3071 if (fc->valid & CTS_FC_VALID_SPEED) 3072 *speed = fc->bitrate; 3073 } 3074 if (cts->ccb_h.status == CAM_REQ_CMP && cts->transport == XPORT_SAS) { 3075 struct ccb_trans_settings_sas *sas = 3076 &cts->xport_specific.sas; 3077 3078 if (sas->valid & CTS_SAS_VALID_SPEED) 3079 *speed = sas->bitrate; 3080 } 3081 } 3082 3083 static void 3084 scsi_announce_periph_sbuf(struct cam_periph *periph, struct sbuf *sb) 3085 { 3086 struct ccb_trans_settings cts; 3087 u_int speed, freq, mb; 3088 3089 _scsi_announce_periph(periph, &speed, &freq, &cts); 3090 if (cam_ccb_status((union ccb *)&cts) != CAM_REQ_CMP) 3091 return; 3092 3093 mb = speed / 1000; 3094 if (mb > 0) 3095 sbuf_printf(sb, "%s%d: %d.%03dMB/s transfers", 3096 periph->periph_name, periph->unit_number, 3097 mb, speed % 1000); 3098 else 3099 sbuf_printf(sb, "%s%d: %dKB/s transfers", periph->periph_name, 3100 periph->unit_number, speed); 3101 /* Report additional information about SPI connections */ 3102 if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_SPI) { 3103 struct ccb_trans_settings_spi *spi; 3104 3105 spi = &cts.xport_specific.spi; 3106 if (freq != 0) { 3107 sbuf_printf(sb, " (%d.%03dMHz%s, offset %d", freq / 1000, 3108 freq % 1000, 3109 (spi->ppr_options & MSG_EXT_PPR_DT_REQ) != 0 3110 ? " DT" : "", 3111 spi->sync_offset); 3112 } 3113 if ((spi->valid & CTS_SPI_VALID_BUS_WIDTH) != 0 3114 && spi->bus_width > 0) { 3115 if (freq != 0) { 3116 sbuf_printf(sb, ", "); 3117 } else { 3118 sbuf_printf(sb, " ("); 3119 } 3120 sbuf_printf(sb, "%dbit)", 8 * (0x01 << spi->bus_width)); 3121 } else if (freq != 0) { 3122 sbuf_printf(sb, ")"); 3123 } 3124 } 3125 if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_FC) { 3126 struct ccb_trans_settings_fc *fc; 3127 3128 fc = &cts.xport_specific.fc; 3129 if (fc->valid & CTS_FC_VALID_WWNN) 3130 sbuf_printf(sb, " WWNN 0x%llx", (long long) fc->wwnn); 3131 if (fc->valid & CTS_FC_VALID_WWPN) 3132 sbuf_printf(sb, " WWPN 0x%llx", (long long) fc->wwpn); 3133 if (fc->valid & CTS_FC_VALID_PORT) 3134 sbuf_printf(sb, " PortID 0x%x", fc->port); 3135 } 3136 sbuf_printf(sb, "\n"); 3137 } 3138 3139 static void 3140 scsi_announce_periph(struct cam_periph *periph) 3141 { 3142 struct ccb_trans_settings cts; 3143 u_int speed, freq, mb; 3144 3145 _scsi_announce_periph(periph, &speed, &freq, &cts); 3146 if (cam_ccb_status((union ccb *)&cts) != CAM_REQ_CMP) 3147 return; 3148 3149 mb = speed / 1000; 3150 if (mb > 0) 3151 printf("%s%d: %d.%03dMB/s transfers", 3152 periph->periph_name, periph->unit_number, 3153 mb, speed % 1000); 3154 else 3155 printf("%s%d: %dKB/s transfers", periph->periph_name, 3156 periph->unit_number, speed); 3157 /* Report additional information about SPI connections */ 3158 if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_SPI) { 3159 struct ccb_trans_settings_spi *spi; 3160 3161 spi = &cts.xport_specific.spi; 3162 if (freq != 0) { 3163 printf(" (%d.%03dMHz%s, offset %d", freq / 1000, 3164 freq % 1000, 3165 (spi->ppr_options & MSG_EXT_PPR_DT_REQ) != 0 3166 ? " DT" : "", 3167 spi->sync_offset); 3168 } 3169 if ((spi->valid & CTS_SPI_VALID_BUS_WIDTH) != 0 3170 && spi->bus_width > 0) { 3171 if (freq != 0) { 3172 printf(", "); 3173 } else { 3174 printf(" ("); 3175 } 3176 printf("%dbit)", 8 * (0x01 << spi->bus_width)); 3177 } else if (freq != 0) { 3178 printf(")"); 3179 } 3180 } 3181 if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_FC) { 3182 struct ccb_trans_settings_fc *fc; 3183 3184 fc = &cts.xport_specific.fc; 3185 if (fc->valid & CTS_FC_VALID_WWNN) 3186 printf(" WWNN 0x%llx", (long long) fc->wwnn); 3187 if (fc->valid & CTS_FC_VALID_WWPN) 3188 printf(" WWPN 0x%llx", (long long) fc->wwpn); 3189 if (fc->valid & CTS_FC_VALID_PORT) 3190 printf(" PortID 0x%x", fc->port); 3191 } 3192 printf("\n"); 3193 } 3194 3195 static void 3196 scsi_proto_announce_sbuf(struct cam_ed *device, struct sbuf *sb) 3197 { 3198 scsi_print_inquiry_sbuf(sb, &device->inq_data); 3199 } 3200 3201 static void 3202 scsi_proto_announce(struct cam_ed *device) 3203 { 3204 scsi_print_inquiry(&device->inq_data); 3205 } 3206 3207 static void 3208 scsi_proto_denounce_sbuf(struct cam_ed *device, struct sbuf *sb) 3209 { 3210 scsi_print_inquiry_short_sbuf(sb, &device->inq_data); 3211 } 3212 3213 static void 3214 scsi_proto_denounce(struct cam_ed *device) 3215 { 3216 scsi_print_inquiry_short(&device->inq_data); 3217 } 3218 3219 static void 3220 scsi_proto_debug_out(union ccb *ccb) 3221 { 3222 char cdb_str[(SCSI_MAX_CDBLEN * 3) + 1]; 3223 struct cam_ed *device; 3224 3225 if (ccb->ccb_h.func_code != XPT_SCSI_IO) 3226 return; 3227 3228 device = ccb->ccb_h.path->device; 3229 CAM_DEBUG(ccb->ccb_h.path, 3230 CAM_DEBUG_CDB,("%s. CDB: %s\n", 3231 scsi_op_desc(scsiio_cdb_ptr(&ccb->csio)[0], &device->inq_data), 3232 scsi_cdb_string(scsiio_cdb_ptr(&ccb->csio), cdb_str, sizeof(cdb_str)))); 3233 } 3234