1/*- 2 * Implementation of the SCSI Transport 3 * 4 * Copyright (c) 1997, 1998, 1999 Justin T. Gibbs. 5 * Copyright (c) 1997, 1998, 1999 Kenneth D. Merry. 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions, and the following disclaimer, 13 * without modification, immediately at the beginning of the file. 14 * 2. The name of the author may not be used to endorse or promote products 15 * derived from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 21 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 */ 29 30#include <sys/cdefs.h> 31__FBSDID("$FreeBSD: releng/10.2/sys/cam/scsi/scsi_xpt.c 278974 2015-02-18 23:08:13Z ken $"); 32 33#include <sys/param.h> 34#include <sys/bus.h> 35#include <sys/systm.h> 36#include <sys/types.h> 37#include <sys/malloc.h> 38#include <sys/kernel.h> 39#include <sys/time.h> 40#include <sys/conf.h> 41#include <sys/fcntl.h> 42#include <sys/md5.h> 43#include <sys/interrupt.h> 44#include <sys/sbuf.h> 45 46#include <sys/lock.h> 47#include <sys/mutex.h> 48#include <sys/sysctl.h> 49 50#include <cam/cam.h> 51#include <cam/cam_ccb.h> 52#include <cam/cam_queue.h> 53#include <cam/cam_periph.h> 54#include <cam/cam_sim.h> 55#include <cam/cam_xpt.h> 56#include <cam/cam_xpt_sim.h> 57#include <cam/cam_xpt_periph.h> 58#include <cam/cam_xpt_internal.h> 59#include <cam/cam_debug.h> 60 61#include <cam/scsi/scsi_all.h> 62#include <cam/scsi/scsi_message.h> 63#include <cam/scsi/scsi_pass.h> 64#include <machine/stdarg.h> /* for xpt_print below */ 65#include "opt_cam.h" 66 67struct scsi_quirk_entry { 68 struct scsi_inquiry_pattern inq_pat; 69 u_int8_t quirks; 70#define CAM_QUIRK_NOLUNS 0x01 71#define CAM_QUIRK_NOVPDS 0x02 72#define CAM_QUIRK_HILUNS 0x04 73#define CAM_QUIRK_NOHILUNS 0x08 74#define CAM_QUIRK_NORPTLUNS 0x10 75 u_int mintags; 76 u_int maxtags; 77}; 78#define SCSI_QUIRK(dev) ((struct scsi_quirk_entry *)((dev)->quirk)) 79 80static int cam_srch_hi = 0; 81TUNABLE_INT("kern.cam.cam_srch_hi", &cam_srch_hi); 82static int sysctl_cam_search_luns(SYSCTL_HANDLER_ARGS); 83SYSCTL_PROC(_kern_cam, OID_AUTO, cam_srch_hi, CTLTYPE_INT|CTLFLAG_RW, 0, 0, 84 sysctl_cam_search_luns, "I", 85 "allow search above LUN 7 for SCSI3 and greater devices"); 86 87#define CAM_SCSI2_MAXLUN 8 88#define CAM_CAN_GET_SIMPLE_LUN(x, i) \ 89 ((((x)->luns[i].lundata[0] & RPL_LUNDATA_ATYP_MASK) == \ 90 RPL_LUNDATA_ATYP_PERIPH) || \ 91 (((x)->luns[i].lundata[0] & RPL_LUNDATA_ATYP_MASK) == \ 92 RPL_LUNDATA_ATYP_FLAT)) 93#define CAM_GET_SIMPLE_LUN(lp, i, lval) \ 94 if (((lp)->luns[(i)].lundata[0] & RPL_LUNDATA_ATYP_MASK) == \ 95 RPL_LUNDATA_ATYP_PERIPH) { \ 96 (lval) = (lp)->luns[(i)].lundata[1]; \ 97 } else { \ 98 (lval) = (lp)->luns[(i)].lundata[0]; \ 99 (lval) &= RPL_LUNDATA_FLAT_LUN_MASK; \ 100 (lval) <<= 8; \ 101 (lval) |= (lp)->luns[(i)].lundata[1]; \ 102 } 103#define CAM_GET_LUN(lp, i, lval) \ 104 (lval) = scsi_4btoul((lp)->luns[(i)].lundata); \ 105 (lval) = ((lval) >> 16) | ((lval) << 16); 106#define CAM_LUN_ONLY_32BITS(lp, i) \ 107 (scsi_4btoul(&((lp)->luns[(i)].lundata[4])) == 0) 108 109/* 110 * If we're not quirked to search <= the first 8 luns 111 * and we are either quirked to search above lun 8, 112 * or we're > SCSI-2 and we've enabled hilun searching, 113 * or we're > SCSI-2 and the last lun was a success, 114 * we can look for luns above lun 8. 115 */ 116#define CAN_SRCH_HI_SPARSE(dv) \ 117 (((SCSI_QUIRK(dv)->quirks & CAM_QUIRK_NOHILUNS) == 0) \ 118 && ((SCSI_QUIRK(dv)->quirks & CAM_QUIRK_HILUNS) \ 119 || (SID_ANSI_REV(&dv->inq_data) > SCSI_REV_2 && cam_srch_hi))) 120 121#define CAN_SRCH_HI_DENSE(dv) \ 122 (((SCSI_QUIRK(dv)->quirks & CAM_QUIRK_NOHILUNS) == 0) \ 123 && ((SCSI_QUIRK(dv)->quirks & CAM_QUIRK_HILUNS) \ 124 || (SID_ANSI_REV(&dv->inq_data) > SCSI_REV_2))) 125 126static periph_init_t probe_periph_init; 127 128static struct periph_driver probe_driver = 129{ 130 probe_periph_init, "probe", 131 TAILQ_HEAD_INITIALIZER(probe_driver.units), /* generation */ 0, 132 CAM_PERIPH_DRV_EARLY 133}; 134 135PERIPHDRIVER_DECLARE(probe, probe_driver); 136 137typedef enum { 138 PROBE_TUR, 139 PROBE_INQUIRY, /* this counts as DV0 for Basic Domain Validation */ 140 PROBE_FULL_INQUIRY, 141 PROBE_REPORT_LUNS, 142 PROBE_MODE_SENSE, 143 PROBE_SUPPORTED_VPD_LIST, 144 PROBE_DEVICE_ID, 145 PROBE_EXTENDED_INQUIRY, 146 PROBE_SERIAL_NUM, 147 PROBE_TUR_FOR_NEGOTIATION, 148 PROBE_INQUIRY_BASIC_DV1, 149 PROBE_INQUIRY_BASIC_DV2, 150 PROBE_DV_EXIT, 151 PROBE_DONE, 152 PROBE_INVALID 153} probe_action; 154 155static char *probe_action_text[] = { 156 "PROBE_TUR", 157 "PROBE_INQUIRY", 158 "PROBE_FULL_INQUIRY", 159 "PROBE_REPORT_LUNS", 160 "PROBE_MODE_SENSE", 161 "PROBE_SUPPORTED_VPD_LIST", 162 "PROBE_DEVICE_ID", 163 "PROBE_EXTENDED_INQUIRY", 164 "PROBE_SERIAL_NUM", 165 "PROBE_TUR_FOR_NEGOTIATION", 166 "PROBE_INQUIRY_BASIC_DV1", 167 "PROBE_INQUIRY_BASIC_DV2", 168 "PROBE_DV_EXIT", 169 "PROBE_DONE", 170 "PROBE_INVALID" 171}; 172 173#define PROBE_SET_ACTION(softc, newaction) \ 174do { \ 175 char **text; \ 176 text = probe_action_text; \ 177 CAM_DEBUG((softc)->periph->path, CAM_DEBUG_PROBE, \ 178 ("Probe %s to %s\n", text[(softc)->action], \ 179 text[(newaction)])); \ 180 (softc)->action = (newaction); \ 181} while(0) 182 183typedef enum { 184 PROBE_INQUIRY_CKSUM = 0x01, 185 PROBE_SERIAL_CKSUM = 0x02, 186 PROBE_NO_ANNOUNCE = 0x04, 187 PROBE_EXTLUN = 0x08 188} probe_flags; 189 190typedef struct { 191 TAILQ_HEAD(, ccb_hdr) request_ccbs; 192 probe_action action; 193 union ccb saved_ccb; 194 probe_flags flags; 195 MD5_CTX context; 196 u_int8_t digest[16]; 197 struct cam_periph *periph; 198} probe_softc; 199 200static const char quantum[] = "QUANTUM"; 201static const char sony[] = "SONY"; 202static const char west_digital[] = "WDIGTL"; 203static const char samsung[] = "SAMSUNG"; 204static const char seagate[] = "SEAGATE"; 205static const char microp[] = "MICROP"; 206 207static struct scsi_quirk_entry scsi_quirk_table[] = 208{ 209 { 210 /* Reports QUEUE FULL for temporary resource shortages */ 211 { T_DIRECT, SIP_MEDIA_FIXED, quantum, "XP39100*", "*" }, 212 /*quirks*/0, /*mintags*/24, /*maxtags*/32 213 }, 214 { 215 /* Reports QUEUE FULL for temporary resource shortages */ 216 { T_DIRECT, SIP_MEDIA_FIXED, quantum, "XP34550*", "*" }, 217 /*quirks*/0, /*mintags*/24, /*maxtags*/32 218 }, 219 { 220 /* Reports QUEUE FULL for temporary resource shortages */ 221 { T_DIRECT, SIP_MEDIA_FIXED, quantum, "XP32275*", "*" }, 222 /*quirks*/0, /*mintags*/24, /*maxtags*/32 223 }, 224 { 225 /* Broken tagged queuing drive */ 226 { T_DIRECT, SIP_MEDIA_FIXED, microp, "4421-07*", "*" }, 227 /*quirks*/0, /*mintags*/0, /*maxtags*/0 228 }, 229 { 230 /* Broken tagged queuing drive */ 231 { T_DIRECT, SIP_MEDIA_FIXED, "HP", "C372*", "*" }, 232 /*quirks*/0, /*mintags*/0, /*maxtags*/0 233 }, 234 { 235 /* Broken tagged queuing drive */ 236 { T_DIRECT, SIP_MEDIA_FIXED, microp, "3391*", "x43h" }, 237 /*quirks*/0, /*mintags*/0, /*maxtags*/0 238 }, 239 { 240 /* 241 * Unfortunately, the Quantum Atlas III has the same 242 * problem as the Atlas II drives above. 243 * Reported by: "Johan Granlund" <johan@granlund.nu> 244 * 245 * For future reference, the drive with the problem was: 246 * QUANTUM QM39100TD-SW N1B0 247 * 248 * It's possible that Quantum will fix the problem in later 249 * firmware revisions. If that happens, the quirk entry 250 * will need to be made specific to the firmware revisions 251 * with the problem. 252 * 253 */ 254 /* Reports QUEUE FULL for temporary resource shortages */ 255 { T_DIRECT, SIP_MEDIA_FIXED, quantum, "QM39100*", "*" }, 256 /*quirks*/0, /*mintags*/24, /*maxtags*/32 257 }, 258 { 259 /* 260 * 18 Gig Atlas III, same problem as the 9G version. 261 * Reported by: Andre Albsmeier 262 * <andre.albsmeier@mchp.siemens.de> 263 * 264 * For future reference, the drive with the problem was: 265 * QUANTUM QM318000TD-S N491 266 */ 267 /* Reports QUEUE FULL for temporary resource shortages */ 268 { T_DIRECT, SIP_MEDIA_FIXED, quantum, "QM318000*", "*" }, 269 /*quirks*/0, /*mintags*/24, /*maxtags*/32 270 }, 271 { 272 /* 273 * Broken tagged queuing drive 274 * Reported by: Bret Ford <bford@uop.cs.uop.edu> 275 * and: Martin Renters <martin@tdc.on.ca> 276 */ 277 { T_DIRECT, SIP_MEDIA_FIXED, seagate, "ST410800*", "71*" }, 278 /*quirks*/0, /*mintags*/0, /*maxtags*/0 279 }, 280 /* 281 * The Seagate Medalist Pro drives have very poor write 282 * performance with anything more than 2 tags. 283 * 284 * Reported by: Paul van der Zwan <paulz@trantor.xs4all.nl> 285 * Drive: <SEAGATE ST36530N 1444> 286 * 287 * Reported by: Jeremy Lea <reg@shale.csir.co.za> 288 * Drive: <SEAGATE ST34520W 1281> 289 * 290 * No one has actually reported that the 9G version 291 * (ST39140*) of the Medalist Pro has the same problem, but 292 * we're assuming that it does because the 4G and 6.5G 293 * versions of the drive are broken. 294 */ 295 { 296 { T_DIRECT, SIP_MEDIA_FIXED, seagate, "ST34520*", "*"}, 297 /*quirks*/0, /*mintags*/2, /*maxtags*/2 298 }, 299 { 300 { T_DIRECT, SIP_MEDIA_FIXED, seagate, "ST36530*", "*"}, 301 /*quirks*/0, /*mintags*/2, /*maxtags*/2 302 }, 303 { 304 { T_DIRECT, SIP_MEDIA_FIXED, seagate, "ST39140*", "*"}, 305 /*quirks*/0, /*mintags*/2, /*maxtags*/2 306 }, 307 { 308 /* 309 * Experiences command timeouts under load with a 310 * tag count higher than 55. 311 */ 312 { T_DIRECT, SIP_MEDIA_FIXED, seagate, "ST3146855LW", "*"}, 313 /*quirks*/0, /*mintags*/2, /*maxtags*/55 314 }, 315 { 316 /* 317 * Slow when tagged queueing is enabled. Write performance 318 * steadily drops off with more and more concurrent 319 * transactions. Best sequential write performance with 320 * tagged queueing turned off and write caching turned on. 321 * 322 * PR: kern/10398 323 * Submitted by: Hideaki Okada <hokada@isl.melco.co.jp> 324 * Drive: DCAS-34330 w/ "S65A" firmware. 325 * 326 * The drive with the problem had the "S65A" firmware 327 * revision, and has also been reported (by Stephen J. 328 * Roznowski <sjr@home.net>) for a drive with the "S61A" 329 * firmware revision. 330 * 331 * Although no one has reported problems with the 2 gig 332 * version of the DCAS drive, the assumption is that it 333 * has the same problems as the 4 gig version. Therefore 334 * this quirk entries disables tagged queueing for all 335 * DCAS drives. 336 */ 337 { T_DIRECT, SIP_MEDIA_FIXED, "IBM", "DCAS*", "*" }, 338 /*quirks*/0, /*mintags*/0, /*maxtags*/0 339 }, 340 { 341 /* Broken tagged queuing drive */ 342 { T_DIRECT, SIP_MEDIA_REMOVABLE, "iomega", "jaz*", "*" }, 343 /*quirks*/0, /*mintags*/0, /*maxtags*/0 344 }, 345 { 346 /* Broken tagged queuing drive */ 347 { T_DIRECT, SIP_MEDIA_FIXED, "CONNER", "CFP2107*", "*" }, 348 /*quirks*/0, /*mintags*/0, /*maxtags*/0 349 }, 350 { 351 /* This does not support other than LUN 0 */ 352 { T_DIRECT, SIP_MEDIA_FIXED, "VMware*", "*", "*" }, 353 CAM_QUIRK_NOLUNS, /*mintags*/2, /*maxtags*/255 354 }, 355 { 356 /* 357 * Broken tagged queuing drive. 358 * Submitted by: 359 * NAKAJI Hiroyuki <nakaji@zeisei.dpri.kyoto-u.ac.jp> 360 * in PR kern/9535 361 */ 362 { T_DIRECT, SIP_MEDIA_FIXED, samsung, "WN34324U*", "*" }, 363 /*quirks*/0, /*mintags*/0, /*maxtags*/0 364 }, 365 { 366 /* 367 * Slow when tagged queueing is enabled. (1.5MB/sec versus 368 * 8MB/sec.) 369 * Submitted by: Andrew Gallatin <gallatin@cs.duke.edu> 370 * Best performance with these drives is achieved with 371 * tagged queueing turned off, and write caching turned on. 372 */ 373 { T_DIRECT, SIP_MEDIA_FIXED, west_digital, "WDE*", "*" }, 374 /*quirks*/0, /*mintags*/0, /*maxtags*/0 375 }, 376 { 377 /* 378 * Slow when tagged queueing is enabled. (1.5MB/sec versus 379 * 8MB/sec.) 380 * Submitted by: Andrew Gallatin <gallatin@cs.duke.edu> 381 * Best performance with these drives is achieved with 382 * tagged queueing turned off, and write caching turned on. 383 */ 384 { T_DIRECT, SIP_MEDIA_FIXED, west_digital, "ENTERPRISE", "*" }, 385 /*quirks*/0, /*mintags*/0, /*maxtags*/0 386 }, 387 { 388 /* 389 * Doesn't handle queue full condition correctly, 390 * so we need to limit maxtags to what the device 391 * can handle instead of determining this automatically. 392 */ 393 { T_DIRECT, SIP_MEDIA_FIXED, samsung, "WN321010S*", "*" }, 394 /*quirks*/0, /*mintags*/2, /*maxtags*/32 395 }, 396 { 397 /* Really only one LUN */ 398 { T_ENCLOSURE, SIP_MEDIA_FIXED, "SUN", "SENA", "*" }, 399 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 400 }, 401 { 402 /* I can't believe we need a quirk for DPT volumes. */ 403 { T_ANY, SIP_MEDIA_FIXED|SIP_MEDIA_REMOVABLE, "DPT", "*", "*" }, 404 CAM_QUIRK_NOLUNS, 405 /*mintags*/0, /*maxtags*/255 406 }, 407 { 408 /* 409 * Many Sony CDROM drives don't like multi-LUN probing. 410 */ 411 { T_CDROM, SIP_MEDIA_REMOVABLE, sony, "CD-ROM CDU*", "*" }, 412 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 413 }, 414 { 415 /* 416 * This drive doesn't like multiple LUN probing. 417 * Submitted by: Parag Patel <parag@cgt.com> 418 */ 419 { T_WORM, SIP_MEDIA_REMOVABLE, sony, "CD-R CDU9*", "*" }, 420 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 421 }, 422 { 423 { T_WORM, SIP_MEDIA_REMOVABLE, "YAMAHA", "CDR100*", "*" }, 424 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 425 }, 426 { 427 /* 428 * The 8200 doesn't like multi-lun probing, and probably 429 * don't like serial number requests either. 430 */ 431 { 432 T_SEQUENTIAL, SIP_MEDIA_REMOVABLE, "EXABYTE", 433 "EXB-8200*", "*" 434 }, 435 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 436 }, 437 { 438 /* 439 * Let's try the same as above, but for a drive that says 440 * it's an IPL-6860 but is actually an EXB 8200. 441 */ 442 { 443 T_SEQUENTIAL, SIP_MEDIA_REMOVABLE, "EXABYTE", 444 "IPL-6860*", "*" 445 }, 446 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 447 }, 448 { 449 /* 450 * These Hitachi drives don't like multi-lun probing. 451 * The PR submitter has a DK319H, but says that the Linux 452 * kernel has a similar work-around for the DK312 and DK314, 453 * so all DK31* drives are quirked here. 454 * PR: misc/18793 455 * Submitted by: Paul Haddad <paul@pth.com> 456 */ 457 { T_DIRECT, SIP_MEDIA_FIXED, "HITACHI", "DK31*", "*" }, 458 CAM_QUIRK_NOLUNS, /*mintags*/2, /*maxtags*/255 459 }, 460 { 461 /* 462 * The Hitachi CJ series with J8A8 firmware apparantly has 463 * problems with tagged commands. 464 * PR: 23536 465 * Reported by: amagai@nue.org 466 */ 467 { T_DIRECT, SIP_MEDIA_FIXED, "HITACHI", "DK32CJ*", "J8A8" }, 468 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 469 }, 470 { 471 /* 472 * These are the large storage arrays. 473 * Submitted by: William Carrel <william.carrel@infospace.com> 474 */ 475 { T_DIRECT, SIP_MEDIA_FIXED, "HITACHI", "OPEN*", "*" }, 476 CAM_QUIRK_HILUNS, 2, 1024 477 }, 478 { 479 /* 480 * This old revision of the TDC3600 is also SCSI-1, and 481 * hangs upon serial number probing. 482 */ 483 { 484 T_SEQUENTIAL, SIP_MEDIA_REMOVABLE, "TANDBERG", 485 " TDC 3600", "U07:" 486 }, 487 CAM_QUIRK_NOVPDS, /*mintags*/0, /*maxtags*/0 488 }, 489 { 490 /* 491 * Would repond to all LUNs if asked for. 492 */ 493 { 494 T_SEQUENTIAL, SIP_MEDIA_REMOVABLE, "CALIPER", 495 "CP150", "*" 496 }, 497 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 498 }, 499 { 500 /* 501 * Would repond to all LUNs if asked for. 502 */ 503 { 504 T_SEQUENTIAL, SIP_MEDIA_REMOVABLE, "KENNEDY", 505 "96X2*", "*" 506 }, 507 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 508 }, 509 { 510 /* Submitted by: Matthew Dodd <winter@jurai.net> */ 511 { T_PROCESSOR, SIP_MEDIA_FIXED, "Cabletrn", "EA41*", "*" }, 512 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 513 }, 514 { 515 /* Submitted by: Matthew Dodd <winter@jurai.net> */ 516 { T_PROCESSOR, SIP_MEDIA_FIXED, "CABLETRN", "EA41*", "*" }, 517 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 518 }, 519 { 520 /* TeraSolutions special settings for TRC-22 RAID */ 521 { T_DIRECT, SIP_MEDIA_FIXED, "TERASOLU", "TRC-22", "*" }, 522 /*quirks*/0, /*mintags*/55, /*maxtags*/255 523 }, 524 { 525 /* Veritas Storage Appliance */ 526 { T_DIRECT, SIP_MEDIA_FIXED, "VERITAS", "*", "*" }, 527 CAM_QUIRK_HILUNS, /*mintags*/2, /*maxtags*/1024 528 }, 529 { 530 /* 531 * Would respond to all LUNs. Device type and removable 532 * flag are jumper-selectable. 533 */ 534 { T_ANY, SIP_MEDIA_REMOVABLE|SIP_MEDIA_FIXED, "MaxOptix", 535 "Tahiti 1", "*" 536 }, 537 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 538 }, 539 { 540 /* EasyRAID E5A aka. areca ARC-6010 */ 541 { T_DIRECT, SIP_MEDIA_FIXED, "easyRAID", "*", "*" }, 542 CAM_QUIRK_NOHILUNS, /*mintags*/2, /*maxtags*/255 543 }, 544 { 545 { T_ENCLOSURE, SIP_MEDIA_FIXED, "DP", "BACKPLANE", "*" }, 546 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 547 }, 548 { 549 { T_DIRECT, SIP_MEDIA_REMOVABLE, "Garmin", "*", "*" }, 550 CAM_QUIRK_NORPTLUNS, /*mintags*/2, /*maxtags*/255 551 }, 552 { 553 /* Default tagged queuing parameters for all devices */ 554 { 555 T_ANY, SIP_MEDIA_REMOVABLE|SIP_MEDIA_FIXED, 556 /*vendor*/"*", /*product*/"*", /*revision*/"*" 557 }, 558 /*quirks*/0, /*mintags*/2, /*maxtags*/255 559 }, 560}; 561 562static const int scsi_quirk_table_size = 563 sizeof(scsi_quirk_table) / sizeof(*scsi_quirk_table); 564 565static cam_status proberegister(struct cam_periph *periph, 566 void *arg); 567static void probeschedule(struct cam_periph *probe_periph); 568static void probestart(struct cam_periph *periph, union ccb *start_ccb); 569static void proberequestdefaultnegotiation(struct cam_periph *periph); 570static int proberequestbackoff(struct cam_periph *periph, 571 struct cam_ed *device); 572static void probedone(struct cam_periph *periph, union ccb *done_ccb); 573static void probe_purge_old(struct cam_path *path, 574 struct scsi_report_luns_data *new, 575 probe_flags flags); 576static void probecleanup(struct cam_periph *periph); 577static void scsi_find_quirk(struct cam_ed *device); 578static void scsi_scan_bus(struct cam_periph *periph, union ccb *ccb); 579static void scsi_scan_lun(struct cam_periph *periph, 580 struct cam_path *path, cam_flags flags, 581 union ccb *ccb); 582static void xptscandone(struct cam_periph *periph, union ccb *done_ccb); 583static struct cam_ed * 584 scsi_alloc_device(struct cam_eb *bus, struct cam_et *target, 585 lun_id_t lun_id); 586static void scsi_devise_transport(struct cam_path *path); 587static void scsi_set_transfer_settings(struct ccb_trans_settings *cts, 588 struct cam_path *path, 589 int async_update); 590static void scsi_toggle_tags(struct cam_path *path); 591static void scsi_dev_async(u_int32_t async_code, 592 struct cam_eb *bus, 593 struct cam_et *target, 594 struct cam_ed *device, 595 void *async_arg); 596static void scsi_action(union ccb *start_ccb); 597static void scsi_announce_periph(struct cam_periph *periph); 598 599static struct xpt_xport scsi_xport = { 600 .alloc_device = scsi_alloc_device, 601 .action = scsi_action, 602 .async = scsi_dev_async, 603 .announce = scsi_announce_periph, 604}; 605 606struct xpt_xport * 607scsi_get_xport(void) 608{ 609 return (&scsi_xport); 610} 611 612static void 613probe_periph_init() 614{ 615} 616 617static cam_status 618proberegister(struct cam_periph *periph, void *arg) 619{ 620 union ccb *request_ccb; /* CCB representing the probe request */ 621 cam_status status; 622 probe_softc *softc; 623 624 request_ccb = (union ccb *)arg; 625 if (request_ccb == NULL) { 626 printf("proberegister: no probe CCB, " 627 "can't register device\n"); 628 return(CAM_REQ_CMP_ERR); 629 } 630 631 softc = (probe_softc *)malloc(sizeof(*softc), M_CAMXPT, M_NOWAIT); 632 633 if (softc == NULL) { 634 printf("proberegister: Unable to probe new device. " 635 "Unable to allocate softc\n"); 636 return(CAM_REQ_CMP_ERR); 637 } 638 TAILQ_INIT(&softc->request_ccbs); 639 TAILQ_INSERT_TAIL(&softc->request_ccbs, &request_ccb->ccb_h, 640 periph_links.tqe); 641 softc->flags = 0; 642 periph->softc = softc; 643 softc->periph = periph; 644 softc->action = PROBE_INVALID; 645 status = cam_periph_acquire(periph); 646 if (status != CAM_REQ_CMP) { 647 return (status); 648 } 649 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, ("Probe started\n")); 650 scsi_devise_transport(periph->path); 651 652 /* 653 * Ensure we've waited at least a bus settle 654 * delay before attempting to probe the device. 655 * For HBAs that don't do bus resets, this won't make a difference. 656 */ 657 cam_periph_freeze_after_event(periph, &periph->path->bus->last_reset, 658 scsi_delay); 659 probeschedule(periph); 660 return(CAM_REQ_CMP); 661} 662 663static void 664probeschedule(struct cam_periph *periph) 665{ 666 struct ccb_pathinq cpi; 667 union ccb *ccb; 668 probe_softc *softc; 669 670 softc = (probe_softc *)periph->softc; 671 ccb = (union ccb *)TAILQ_FIRST(&softc->request_ccbs); 672 673 xpt_setup_ccb(&cpi.ccb_h, periph->path, CAM_PRIORITY_NONE); 674 cpi.ccb_h.func_code = XPT_PATH_INQ; 675 xpt_action((union ccb *)&cpi); 676 677 /* 678 * If a device has gone away and another device, or the same one, 679 * is back in the same place, it should have a unit attention 680 * condition pending. It will not report the unit attention in 681 * response to an inquiry, which may leave invalid transfer 682 * negotiations in effect. The TUR will reveal the unit attention 683 * condition. Only send the TUR for lun 0, since some devices 684 * will get confused by commands other than inquiry to non-existent 685 * luns. If you think a device has gone away start your scan from 686 * lun 0. This will insure that any bogus transfer settings are 687 * invalidated. 688 * 689 * If we haven't seen the device before and the controller supports 690 * some kind of transfer negotiation, negotiate with the first 691 * sent command if no bus reset was performed at startup. This 692 * ensures that the device is not confused by transfer negotiation 693 * settings left over by loader or BIOS action. 694 */ 695 if (((ccb->ccb_h.path->device->flags & CAM_DEV_UNCONFIGURED) == 0) 696 && (ccb->ccb_h.target_lun == 0)) { 697 PROBE_SET_ACTION(softc, PROBE_TUR); 698 } else if ((cpi.hba_inquiry & (PI_WIDE_32|PI_WIDE_16|PI_SDTR_ABLE)) != 0 699 && (cpi.hba_misc & PIM_NOBUSRESET) != 0) { 700 proberequestdefaultnegotiation(periph); 701 PROBE_SET_ACTION(softc, PROBE_INQUIRY); 702 } else { 703 PROBE_SET_ACTION(softc, PROBE_INQUIRY); 704 } 705 706 if (ccb->crcn.flags & CAM_EXPECT_INQ_CHANGE) 707 softc->flags |= PROBE_NO_ANNOUNCE; 708 else 709 softc->flags &= ~PROBE_NO_ANNOUNCE; 710 711 if (cpi.hba_misc & PIM_EXTLUNS) 712 softc->flags |= PROBE_EXTLUN; 713 else 714 softc->flags &= ~PROBE_EXTLUN; 715 716 xpt_schedule(periph, CAM_PRIORITY_XPT); 717} 718 719static void 720probestart(struct cam_periph *periph, union ccb *start_ccb) 721{ 722 /* Probe the device that our peripheral driver points to */ 723 struct ccb_scsiio *csio; 724 probe_softc *softc; 725 726 CAM_DEBUG(start_ccb->ccb_h.path, CAM_DEBUG_TRACE, ("probestart\n")); 727 728 softc = (probe_softc *)periph->softc; 729 csio = &start_ccb->csio; 730again: 731 732 switch (softc->action) { 733 case PROBE_TUR: 734 case PROBE_TUR_FOR_NEGOTIATION: 735 case PROBE_DV_EXIT: 736 { 737 scsi_test_unit_ready(csio, 738 /*retries*/4, 739 probedone, 740 MSG_SIMPLE_Q_TAG, 741 SSD_FULL_SIZE, 742 /*timeout*/60000); 743 break; 744 } 745 case PROBE_INQUIRY: 746 case PROBE_FULL_INQUIRY: 747 case PROBE_INQUIRY_BASIC_DV1: 748 case PROBE_INQUIRY_BASIC_DV2: 749 { 750 u_int inquiry_len; 751 struct scsi_inquiry_data *inq_buf; 752 753 inq_buf = &periph->path->device->inq_data; 754 755 /* 756 * If the device is currently configured, we calculate an 757 * MD5 checksum of the inquiry data, and if the serial number 758 * length is greater than 0, add the serial number data 759 * into the checksum as well. Once the inquiry and the 760 * serial number check finish, we attempt to figure out 761 * whether we still have the same device. 762 */ 763 if (((periph->path->device->flags & CAM_DEV_UNCONFIGURED) == 0) 764 && ((softc->flags & PROBE_INQUIRY_CKSUM) == 0)) { 765 766 MD5Init(&softc->context); 767 MD5Update(&softc->context, (unsigned char *)inq_buf, 768 sizeof(struct scsi_inquiry_data)); 769 softc->flags |= PROBE_INQUIRY_CKSUM; 770 if (periph->path->device->serial_num_len > 0) { 771 MD5Update(&softc->context, 772 periph->path->device->serial_num, 773 periph->path->device->serial_num_len); 774 softc->flags |= PROBE_SERIAL_CKSUM; 775 } 776 MD5Final(softc->digest, &softc->context); 777 } 778 779 if (softc->action == PROBE_INQUIRY) 780 inquiry_len = SHORT_INQUIRY_LENGTH; 781 else 782 inquiry_len = SID_ADDITIONAL_LENGTH(inq_buf); 783 784 /* 785 * Some parallel SCSI devices fail to send an 786 * ignore wide residue message when dealing with 787 * odd length inquiry requests. Round up to be 788 * safe. 789 */ 790 inquiry_len = roundup2(inquiry_len, 2); 791 792 if (softc->action == PROBE_INQUIRY_BASIC_DV1 793 || softc->action == PROBE_INQUIRY_BASIC_DV2) { 794 inq_buf = malloc(inquiry_len, M_CAMXPT, M_NOWAIT); 795 } 796 if (inq_buf == NULL) { 797 xpt_print(periph->path, "malloc failure- skipping Basic" 798 "Domain Validation\n"); 799 PROBE_SET_ACTION(softc, PROBE_DV_EXIT); 800 scsi_test_unit_ready(csio, 801 /*retries*/4, 802 probedone, 803 MSG_SIMPLE_Q_TAG, 804 SSD_FULL_SIZE, 805 /*timeout*/60000); 806 break; 807 } 808 scsi_inquiry(csio, 809 /*retries*/4, 810 probedone, 811 MSG_SIMPLE_Q_TAG, 812 (u_int8_t *)inq_buf, 813 inquiry_len, 814 /*evpd*/FALSE, 815 /*page_code*/0, 816 SSD_MIN_SIZE, 817 /*timeout*/60 * 1000); 818 break; 819 } 820 case PROBE_REPORT_LUNS: 821 { 822 void *rp; 823 824 rp = malloc(periph->path->target->rpl_size, 825 M_CAMXPT, M_NOWAIT | M_ZERO); 826 if (rp == NULL) { 827 struct scsi_inquiry_data *inq_buf; 828 inq_buf = &periph->path->device->inq_data; 829 xpt_print(periph->path, 830 "Unable to alloc report luns storage\n"); 831 if (INQ_DATA_TQ_ENABLED(inq_buf)) 832 PROBE_SET_ACTION(softc, PROBE_MODE_SENSE); 833 else 834 PROBE_SET_ACTION(softc, 835 PROBE_SUPPORTED_VPD_LIST); 836 goto again; 837 } 838 scsi_report_luns(csio, 5, probedone, MSG_SIMPLE_Q_TAG, 839 RPL_REPORT_DEFAULT, rp, periph->path->target->rpl_size, 840 SSD_FULL_SIZE, 60000); break; 841 break; 842 } 843 case PROBE_MODE_SENSE: 844 { 845 void *mode_buf; 846 int mode_buf_len; 847 848 mode_buf_len = sizeof(struct scsi_mode_header_6) 849 + sizeof(struct scsi_mode_blk_desc) 850 + sizeof(struct scsi_control_page); 851 mode_buf = malloc(mode_buf_len, M_CAMXPT, M_NOWAIT); 852 if (mode_buf != NULL) { 853 scsi_mode_sense(csio, 854 /*retries*/4, 855 probedone, 856 MSG_SIMPLE_Q_TAG, 857 /*dbd*/FALSE, 858 SMS_PAGE_CTRL_CURRENT, 859 SMS_CONTROL_MODE_PAGE, 860 mode_buf, 861 mode_buf_len, 862 SSD_FULL_SIZE, 863 /*timeout*/60000); 864 break; 865 } 866 xpt_print(periph->path, "Unable to mode sense control page - " 867 "malloc failure\n"); 868 PROBE_SET_ACTION(softc, PROBE_SUPPORTED_VPD_LIST); 869 } 870 /* FALLTHROUGH */ 871 case PROBE_SUPPORTED_VPD_LIST: 872 { 873 struct scsi_vpd_supported_page_list *vpd_list; 874 struct cam_ed *device; 875 876 vpd_list = NULL; 877 device = periph->path->device; 878 879 if ((SCSI_QUIRK(device)->quirks & CAM_QUIRK_NOVPDS) == 0) 880 vpd_list = malloc(sizeof(*vpd_list), M_CAMXPT, 881 M_NOWAIT | M_ZERO); 882 883 if (vpd_list != NULL) { 884 scsi_inquiry(csio, 885 /*retries*/4, 886 probedone, 887 MSG_SIMPLE_Q_TAG, 888 (u_int8_t *)vpd_list, 889 sizeof(*vpd_list), 890 /*evpd*/TRUE, 891 SVPD_SUPPORTED_PAGE_LIST, 892 SSD_MIN_SIZE, 893 /*timeout*/60 * 1000); 894 break; 895 } 896done: 897 /* 898 * We'll have to do without, let our probedone 899 * routine finish up for us. 900 */ 901 start_ccb->csio.data_ptr = NULL; 902 cam_freeze_devq(periph->path); 903 cam_periph_doacquire(periph); 904 probedone(periph, start_ccb); 905 return; 906 } 907 case PROBE_DEVICE_ID: 908 { 909 struct scsi_vpd_device_id *devid; 910 911 devid = NULL; 912 if (scsi_vpd_supported_page(periph, SVPD_DEVICE_ID)) 913 devid = malloc(SVPD_DEVICE_ID_MAX_SIZE, M_CAMXPT, 914 M_NOWAIT | M_ZERO); 915 916 if (devid != NULL) { 917 scsi_inquiry(csio, 918 /*retries*/4, 919 probedone, 920 MSG_SIMPLE_Q_TAG, 921 (uint8_t *)devid, 922 SVPD_DEVICE_ID_MAX_SIZE, 923 /*evpd*/TRUE, 924 SVPD_DEVICE_ID, 925 SSD_MIN_SIZE, 926 /*timeout*/60 * 1000); 927 break; 928 } 929 goto done; 930 } 931 case PROBE_EXTENDED_INQUIRY: 932 { 933 struct scsi_vpd_extended_inquiry_data *ext_inq; 934 935 ext_inq = NULL; 936 if (scsi_vpd_supported_page(periph, SVPD_EXTENDED_INQUIRY_DATA)) 937 ext_inq = malloc(sizeof(*ext_inq), M_CAMXPT, 938 M_NOWAIT | M_ZERO); 939 940 if (ext_inq != NULL) { 941 scsi_inquiry(csio, 942 /*retries*/4, 943 probedone, 944 MSG_SIMPLE_Q_TAG, 945 (uint8_t *)ext_inq, 946 sizeof(*ext_inq), 947 /*evpd*/TRUE, 948 SVPD_EXTENDED_INQUIRY_DATA, 949 SSD_MIN_SIZE, 950 /*timeout*/60 * 1000); 951 break; 952 } 953 /* 954 * We'll have to do without, let our probedone 955 * routine finish up for us. 956 */ 957 goto done; 958 } 959 case PROBE_SERIAL_NUM: 960 { 961 struct scsi_vpd_unit_serial_number *serial_buf; 962 struct cam_ed* device; 963 964 serial_buf = NULL; 965 device = periph->path->device; 966 if (device->serial_num != NULL) { 967 free(device->serial_num, M_CAMXPT); 968 device->serial_num = NULL; 969 device->serial_num_len = 0; 970 } 971 972 if (scsi_vpd_supported_page(periph, SVPD_UNIT_SERIAL_NUMBER)) 973 serial_buf = (struct scsi_vpd_unit_serial_number *) 974 malloc(sizeof(*serial_buf), M_CAMXPT, 975 M_NOWAIT|M_ZERO); 976 977 if (serial_buf != NULL) { 978 scsi_inquiry(csio, 979 /*retries*/4, 980 probedone, 981 MSG_SIMPLE_Q_TAG, 982 (u_int8_t *)serial_buf, 983 sizeof(*serial_buf), 984 /*evpd*/TRUE, 985 SVPD_UNIT_SERIAL_NUMBER, 986 SSD_MIN_SIZE, 987 /*timeout*/60 * 1000); 988 break; 989 } 990 goto done; 991 } 992 default: 993 panic("probestart: invalid action state 0x%x\n", softc->action); 994 } 995 start_ccb->ccb_h.flags |= CAM_DEV_QFREEZE; 996 cam_periph_doacquire(periph); 997 xpt_action(start_ccb); 998} 999 1000static void 1001proberequestdefaultnegotiation(struct cam_periph *periph) 1002{ 1003 struct ccb_trans_settings cts; 1004 1005 xpt_setup_ccb(&cts.ccb_h, periph->path, CAM_PRIORITY_NONE); 1006 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 1007 cts.type = CTS_TYPE_USER_SETTINGS; 1008 xpt_action((union ccb *)&cts); 1009 if (cam_ccb_status((union ccb *)&cts) != CAM_REQ_CMP) { 1010 return; 1011 } 1012 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 1013 cts.type = CTS_TYPE_CURRENT_SETTINGS; 1014 xpt_action((union ccb *)&cts); 1015} 1016 1017/* 1018 * Backoff Negotiation Code- only pertinent for SPI devices. 1019 */ 1020static int 1021proberequestbackoff(struct cam_periph *periph, struct cam_ed *device) 1022{ 1023 struct ccb_trans_settings cts; 1024 struct ccb_trans_settings_spi *spi; 1025 1026 memset(&cts, 0, sizeof (cts)); 1027 xpt_setup_ccb(&cts.ccb_h, periph->path, CAM_PRIORITY_NONE); 1028 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 1029 cts.type = CTS_TYPE_CURRENT_SETTINGS; 1030 xpt_action((union ccb *)&cts); 1031 if (cam_ccb_status((union ccb *)&cts) != CAM_REQ_CMP) { 1032 if (bootverbose) { 1033 xpt_print(periph->path, 1034 "failed to get current device settings\n"); 1035 } 1036 return (0); 1037 } 1038 if (cts.transport != XPORT_SPI) { 1039 if (bootverbose) { 1040 xpt_print(periph->path, "not SPI transport\n"); 1041 } 1042 return (0); 1043 } 1044 spi = &cts.xport_specific.spi; 1045 1046 /* 1047 * We cannot renegotiate sync rate if we don't have one. 1048 */ 1049 if ((spi->valid & CTS_SPI_VALID_SYNC_RATE) == 0) { 1050 if (bootverbose) { 1051 xpt_print(periph->path, "no sync rate known\n"); 1052 } 1053 return (0); 1054 } 1055 1056 /* 1057 * We'll assert that we don't have to touch PPR options- the 1058 * SIM will see what we do with period and offset and adjust 1059 * the PPR options as appropriate. 1060 */ 1061 1062 /* 1063 * A sync rate with unknown or zero offset is nonsensical. 1064 * A sync period of zero means Async. 1065 */ 1066 if ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) == 0 1067 || spi->sync_offset == 0 || spi->sync_period == 0) { 1068 if (bootverbose) { 1069 xpt_print(periph->path, "no sync rate available\n"); 1070 } 1071 return (0); 1072 } 1073 1074 if (device->flags & CAM_DEV_DV_HIT_BOTTOM) { 1075 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, 1076 ("hit async: giving up on DV\n")); 1077 return (0); 1078 } 1079 1080 1081 /* 1082 * Jump sync_period up by one, but stop at 5MHz and fall back to Async. 1083 * We don't try to remember 'last' settings to see if the SIM actually 1084 * gets into the speed we want to set. We check on the SIM telling 1085 * us that a requested speed is bad, but otherwise don't try and 1086 * check the speed due to the asynchronous and handshake nature 1087 * of speed setting. 1088 */ 1089 spi->valid = CTS_SPI_VALID_SYNC_RATE | CTS_SPI_VALID_SYNC_OFFSET; 1090 for (;;) { 1091 spi->sync_period++; 1092 if (spi->sync_period >= 0xf) { 1093 spi->sync_period = 0; 1094 spi->sync_offset = 0; 1095 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, 1096 ("setting to async for DV\n")); 1097 /* 1098 * Once we hit async, we don't want to try 1099 * any more settings. 1100 */ 1101 device->flags |= CAM_DEV_DV_HIT_BOTTOM; 1102 } else if (bootverbose) { 1103 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, 1104 ("DV: period 0x%x\n", spi->sync_period)); 1105 printf("setting period to 0x%x\n", spi->sync_period); 1106 } 1107 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 1108 cts.type = CTS_TYPE_CURRENT_SETTINGS; 1109 xpt_action((union ccb *)&cts); 1110 if (cam_ccb_status((union ccb *)&cts) != CAM_REQ_CMP) { 1111 break; 1112 } 1113 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, 1114 ("DV: failed to set period 0x%x\n", spi->sync_period)); 1115 if (spi->sync_period == 0) { 1116 return (0); 1117 } 1118 } 1119 return (1); 1120} 1121 1122#define CCB_COMPLETED_OK(ccb) (((ccb).status & CAM_STATUS_MASK) == CAM_REQ_CMP) 1123 1124static void 1125probedone(struct cam_periph *periph, union ccb *done_ccb) 1126{ 1127 probe_softc *softc; 1128 struct cam_path *path; 1129 u_int32_t priority; 1130 1131 CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_TRACE, ("probedone\n")); 1132 1133 softc = (probe_softc *)periph->softc; 1134 path = done_ccb->ccb_h.path; 1135 priority = done_ccb->ccb_h.pinfo.priority; 1136 1137 switch (softc->action) { 1138 case PROBE_TUR: 1139 { 1140 if (cam_ccb_status(done_ccb) != CAM_REQ_CMP) { 1141 1142 if (cam_periph_error(done_ccb, 0, 1143 SF_NO_PRINT, NULL) == ERESTART) { 1144outr: 1145 /* Drop freeze taken due to CAM_DEV_QFREEZE */ 1146 cam_release_devq(path, 0, 0, 0, FALSE); 1147 return; 1148 } 1149 else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 1150 /* Don't wedge the queue */ 1151 xpt_release_devq(done_ccb->ccb_h.path, 1152 /*count*/1, 1153 /*run_queue*/TRUE); 1154 } 1155 PROBE_SET_ACTION(softc, PROBE_INQUIRY); 1156 xpt_release_ccb(done_ccb); 1157 xpt_schedule(periph, priority); 1158out: 1159 /* Drop freeze taken due to CAM_DEV_QFREEZE and release. */ 1160 cam_release_devq(path, 0, 0, 0, FALSE); 1161 cam_periph_release_locked(periph); 1162 return; 1163 } 1164 case PROBE_INQUIRY: 1165 case PROBE_FULL_INQUIRY: 1166 { 1167 if (cam_ccb_status(done_ccb) == CAM_REQ_CMP) { 1168 struct scsi_inquiry_data *inq_buf; 1169 u_int8_t periph_qual; 1170 1171 path->device->flags |= CAM_DEV_INQUIRY_DATA_VALID; 1172 scsi_find_quirk(path->device); 1173 inq_buf = &path->device->inq_data; 1174 1175 periph_qual = SID_QUAL(inq_buf); 1176 1177 if (periph_qual == SID_QUAL_LU_CONNECTED) { 1178 u_int8_t len; 1179 1180 /* 1181 * We conservatively request only 1182 * SHORT_INQUIRY_LEN bytes of inquiry 1183 * information during our first try 1184 * at sending an INQUIRY. If the device 1185 * has more information to give, 1186 * perform a second request specifying 1187 * the amount of information the device 1188 * is willing to give. 1189 */ 1190 len = inq_buf->additional_length 1191 + offsetof(struct scsi_inquiry_data, 1192 additional_length) + 1; 1193 if (softc->action == PROBE_INQUIRY 1194 && len > SHORT_INQUIRY_LENGTH) { 1195 PROBE_SET_ACTION(softc, PROBE_FULL_INQUIRY); 1196 xpt_release_ccb(done_ccb); 1197 xpt_schedule(periph, priority); 1198 goto out; 1199 } 1200 1201 scsi_devise_transport(path); 1202 1203 if (path->device->lun_id == 0 && 1204 SID_ANSI_REV(inq_buf) > SCSI_REV_SPC2 && 1205 (SCSI_QUIRK(path->device)->quirks & 1206 CAM_QUIRK_NORPTLUNS) == 0) { 1207 PROBE_SET_ACTION(softc, 1208 PROBE_REPORT_LUNS); 1209 /* 1210 * Start with room for *one* lun. 1211 */ 1212 periph->path->target->rpl_size = 16; 1213 } else if (INQ_DATA_TQ_ENABLED(inq_buf)) 1214 PROBE_SET_ACTION(softc, 1215 PROBE_MODE_SENSE); 1216 else 1217 PROBE_SET_ACTION(softc, 1218 PROBE_SUPPORTED_VPD_LIST); 1219 1220 if (path->device->flags & CAM_DEV_UNCONFIGURED) { 1221 path->device->flags &= ~CAM_DEV_UNCONFIGURED; 1222 xpt_acquire_device(path->device); 1223 } 1224 xpt_release_ccb(done_ccb); 1225 xpt_schedule(periph, priority); 1226 goto out; 1227 } else if (path->device->lun_id == 0 && 1228 SID_ANSI_REV(inq_buf) >= SCSI_REV_SPC2 && 1229 (SCSI_QUIRK(path->device)->quirks & 1230 CAM_QUIRK_NORPTLUNS) == 0) { 1231 PROBE_SET_ACTION(softc, PROBE_REPORT_LUNS); 1232 periph->path->target->rpl_size = 16; 1233 xpt_release_ccb(done_ccb); 1234 xpt_schedule(periph, priority); 1235 goto out; 1236 } 1237 } else if (cam_periph_error(done_ccb, 0, 1238 done_ccb->ccb_h.target_lun > 0 1239 ? SF_RETRY_UA|SF_QUIET_IR 1240 : SF_RETRY_UA, 1241 &softc->saved_ccb) == ERESTART) { 1242 goto outr; 1243 } else { 1244 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1245 /* Don't wedge the queue */ 1246 xpt_release_devq(done_ccb->ccb_h.path, 1247 /*count*/1, /*run_queue*/TRUE); 1248 } 1249 path->device->flags &= ~CAM_DEV_INQUIRY_DATA_VALID; 1250 } 1251 /* 1252 * If we get to this point, we got an error status back 1253 * from the inquiry and the error status doesn't require 1254 * automatically retrying the command. Therefore, the 1255 * inquiry failed. If we had inquiry information before 1256 * for this device, but this latest inquiry command failed, 1257 * the device has probably gone away. If this device isn't 1258 * already marked unconfigured, notify the peripheral 1259 * drivers that this device is no more. 1260 */ 1261 if ((path->device->flags & CAM_DEV_UNCONFIGURED) == 0) 1262 /* Send the async notification. */ 1263 xpt_async(AC_LOST_DEVICE, path, NULL); 1264 PROBE_SET_ACTION(softc, PROBE_INVALID); 1265 1266 xpt_release_ccb(done_ccb); 1267 break; 1268 } 1269 case PROBE_REPORT_LUNS: 1270 { 1271 struct ccb_scsiio *csio; 1272 struct scsi_report_luns_data *lp; 1273 u_int nlun, maxlun; 1274 1275 csio = &done_ccb->csio; 1276 1277 lp = (struct scsi_report_luns_data *)csio->data_ptr; 1278 nlun = scsi_4btoul(lp->length) / 8; 1279 maxlun = (csio->dxfer_len / 8) - 1; 1280 1281 if (cam_ccb_status(done_ccb) != CAM_REQ_CMP) { 1282 if (cam_periph_error(done_ccb, 0, 1283 done_ccb->ccb_h.target_lun > 0 ? 1284 SF_RETRY_UA|SF_QUIET_IR : SF_RETRY_UA, 1285 &softc->saved_ccb) == ERESTART) { 1286 goto outr; 1287 } 1288 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1289 xpt_release_devq(done_ccb->ccb_h.path, 1, 1290 TRUE); 1291 } 1292 free(lp, M_CAMXPT); 1293 lp = NULL; 1294 } else if (nlun > maxlun) { 1295 /* 1296 * Reallocate and retry to cover all luns 1297 */ 1298 CAM_DEBUG(path, CAM_DEBUG_PROBE, 1299 ("Probe: reallocating REPORT_LUNS for %u luns\n", 1300 nlun)); 1301 free(lp, M_CAMXPT); 1302 path->target->rpl_size = (nlun << 3) + 8; 1303 xpt_release_ccb(done_ccb); 1304 xpt_schedule(periph, priority); 1305 goto out; 1306 } else if (nlun == 0) { 1307 /* 1308 * If there don't appear to be any luns, bail. 1309 */ 1310 free(lp, M_CAMXPT); 1311 lp = NULL; 1312 } else { 1313 lun_id_t lun; 1314 int idx; 1315 1316 CAM_DEBUG(path, CAM_DEBUG_PROBE, 1317 ("Probe: %u lun(s) reported\n", nlun)); 1318 1319 CAM_GET_LUN(lp, 0, lun); 1320 /* 1321 * If the first lun is not lun 0, then either there 1322 * is no lun 0 in the list, or the list is unsorted. 1323 */ 1324 if (lun != 0) { 1325 for (idx = 0; idx < nlun; idx++) { 1326 CAM_GET_LUN(lp, idx, lun); 1327 if (lun == 0) { 1328 break; 1329 } 1330 } 1331 if (idx != nlun) { 1332 uint8_t tlun[8]; 1333 memcpy(tlun, 1334 lp->luns[0].lundata, 8); 1335 memcpy(lp->luns[0].lundata, 1336 lp->luns[idx].lundata, 8); 1337 memcpy(lp->luns[idx].lundata, 1338 tlun, 8); 1339 CAM_DEBUG(path, CAM_DEBUG_PROBE, 1340 ("lun 0 in position %u\n", idx)); 1341 } 1342 } 1343 /* 1344 * If we have an old lun list, We can either 1345 * retest luns that appear to have been dropped, 1346 * or just nuke them. We'll opt for the latter. 1347 * This function will also install the new list 1348 * in the target structure. 1349 */ 1350 probe_purge_old(path, lp, softc->flags); 1351 lp = NULL; 1352 } 1353 if (path->device->flags & CAM_DEV_INQUIRY_DATA_VALID && 1354 SID_QUAL(&path->device->inq_data) == SID_QUAL_LU_CONNECTED) { 1355 struct scsi_inquiry_data *inq_buf; 1356 inq_buf = &path->device->inq_data; 1357 if (INQ_DATA_TQ_ENABLED(inq_buf)) 1358 PROBE_SET_ACTION(softc, PROBE_MODE_SENSE); 1359 else 1360 PROBE_SET_ACTION(softc, 1361 PROBE_SUPPORTED_VPD_LIST); 1362 xpt_release_ccb(done_ccb); 1363 xpt_schedule(periph, priority); 1364 goto out; 1365 } 1366 if (lp) { 1367 free(lp, M_CAMXPT); 1368 } 1369 PROBE_SET_ACTION(softc, PROBE_INVALID); 1370 xpt_release_ccb(done_ccb); 1371 break; 1372 } 1373 case PROBE_MODE_SENSE: 1374 { 1375 struct ccb_scsiio *csio; 1376 struct scsi_mode_header_6 *mode_hdr; 1377 1378 csio = &done_ccb->csio; 1379 mode_hdr = (struct scsi_mode_header_6 *)csio->data_ptr; 1380 if (cam_ccb_status(done_ccb) == CAM_REQ_CMP) { 1381 struct scsi_control_page *page; 1382 u_int8_t *offset; 1383 1384 offset = ((u_int8_t *)&mode_hdr[1]) 1385 + mode_hdr->blk_desc_len; 1386 page = (struct scsi_control_page *)offset; 1387 path->device->queue_flags = page->queue_flags; 1388 } else if (cam_periph_error(done_ccb, 0, 1389 SF_RETRY_UA|SF_NO_PRINT, 1390 &softc->saved_ccb) == ERESTART) { 1391 goto outr; 1392 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1393 /* Don't wedge the queue */ 1394 xpt_release_devq(done_ccb->ccb_h.path, 1395 /*count*/1, /*run_queue*/TRUE); 1396 } 1397 xpt_release_ccb(done_ccb); 1398 free(mode_hdr, M_CAMXPT); 1399 PROBE_SET_ACTION(softc, PROBE_SUPPORTED_VPD_LIST); 1400 xpt_schedule(periph, priority); 1401 goto out; 1402 } 1403 case PROBE_SUPPORTED_VPD_LIST: 1404 { 1405 struct ccb_scsiio *csio; 1406 struct scsi_vpd_supported_page_list *page_list; 1407 1408 csio = &done_ccb->csio; 1409 page_list = 1410 (struct scsi_vpd_supported_page_list *)csio->data_ptr; 1411 1412 if (path->device->supported_vpds != NULL) { 1413 free(path->device->supported_vpds, M_CAMXPT); 1414 path->device->supported_vpds = NULL; 1415 path->device->supported_vpds_len = 0; 1416 } 1417 1418 if (page_list == NULL) { 1419 /* 1420 * Don't process the command as it was never sent 1421 */ 1422 } else if (CCB_COMPLETED_OK(csio->ccb_h)) { 1423 /* Got vpd list */ 1424 path->device->supported_vpds_len = page_list->length + 1425 SVPD_SUPPORTED_PAGES_HDR_LEN; 1426 path->device->supported_vpds = (uint8_t *)page_list; 1427 xpt_release_ccb(done_ccb); 1428 PROBE_SET_ACTION(softc, PROBE_DEVICE_ID); 1429 xpt_schedule(periph, priority); 1430 goto out; 1431 } else if (cam_periph_error(done_ccb, 0, 1432 SF_RETRY_UA|SF_NO_PRINT, 1433 &softc->saved_ccb) == ERESTART) { 1434 goto outr; 1435 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1436 /* Don't wedge the queue */ 1437 xpt_release_devq(done_ccb->ccb_h.path, /*count*/1, 1438 /*run_queue*/TRUE); 1439 } 1440 1441 if (page_list) 1442 free(page_list, M_CAMXPT); 1443 /* No VPDs available, skip to device check. */ 1444 csio->data_ptr = NULL; 1445 goto probe_device_check; 1446 } 1447 case PROBE_DEVICE_ID: 1448 { 1449 struct scsi_vpd_device_id *devid; 1450 struct ccb_scsiio *csio; 1451 uint32_t length = 0; 1452 1453 csio = &done_ccb->csio; 1454 devid = (struct scsi_vpd_device_id *)csio->data_ptr; 1455 1456 /* Clean up from previous instance of this device */ 1457 if (path->device->device_id != NULL) { 1458 path->device->device_id_len = 0; 1459 free(path->device->device_id, M_CAMXPT); 1460 path->device->device_id = NULL; 1461 } 1462 1463 if (devid == NULL) { 1464 /* Don't process the command as it was never sent */ 1465 } else if (CCB_COMPLETED_OK(csio->ccb_h)) { 1466 length = scsi_2btoul(devid->length); 1467 if (length != 0) { 1468 /* 1469 * NB: device_id_len is actual response 1470 * size, not buffer size. 1471 */ 1472 path->device->device_id_len = length + 1473 SVPD_DEVICE_ID_HDR_LEN; 1474 path->device->device_id = (uint8_t *)devid; 1475 } 1476 } else if (cam_periph_error(done_ccb, 0, 1477 SF_RETRY_UA, 1478 &softc->saved_ccb) == ERESTART) { 1479 goto outr; 1480 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1481 /* Don't wedge the queue */ 1482 xpt_release_devq(done_ccb->ccb_h.path, /*count*/1, 1483 /*run_queue*/TRUE); 1484 } 1485 1486 /* Free the device id space if we don't use it */ 1487 if (devid && length == 0) 1488 free(devid, M_CAMXPT); 1489 xpt_release_ccb(done_ccb); 1490 PROBE_SET_ACTION(softc, PROBE_EXTENDED_INQUIRY); 1491 xpt_schedule(periph, priority); 1492 goto out; 1493 } 1494 case PROBE_EXTENDED_INQUIRY: { 1495 struct scsi_vpd_extended_inquiry_data *ext_inq; 1496 struct ccb_scsiio *csio; 1497 int32_t length = 0; 1498 1499 csio = &done_ccb->csio; 1500 ext_inq = (struct scsi_vpd_extended_inquiry_data *) 1501 csio->data_ptr; 1502 if (path->device->ext_inq != NULL) { 1503 path->device->ext_inq_len = 0; 1504 free(path->device->ext_inq, M_CAMXPT); 1505 path->device->ext_inq = NULL; 1506 } 1507 1508 if (ext_inq == NULL) { 1509 /* Don't process the command as it was never sent */ 1510 } else if (CCB_COMPLETED_OK(csio->ccb_h)) { 1511 length = scsi_2btoul(ext_inq->page_length) + 1512 __offsetof(struct scsi_vpd_extended_inquiry_data, 1513 flags1); 1514 length = min(length, sizeof(*ext_inq)); 1515 length -= csio->resid; 1516 if (length > 0) { 1517 path->device->ext_inq_len = length; 1518 path->device->ext_inq = (uint8_t *)ext_inq; 1519 } 1520 } else if (cam_periph_error(done_ccb, 0, 1521 SF_RETRY_UA, 1522 &softc->saved_ccb) == ERESTART) { 1523 return; 1524 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1525 /* Don't wedge the queue */ 1526 xpt_release_devq(done_ccb->ccb_h.path, /*count*/1, 1527 /*run_queue*/TRUE); 1528 } 1529 1530 /* Free the device id space if we don't use it */ 1531 if (ext_inq && length <= 0) 1532 free(ext_inq, M_CAMXPT); 1533 xpt_release_ccb(done_ccb); 1534 PROBE_SET_ACTION(softc, PROBE_SERIAL_NUM); 1535 xpt_schedule(periph, priority); 1536 goto out; 1537 } 1538 1539probe_device_check: 1540 case PROBE_SERIAL_NUM: 1541 { 1542 struct ccb_scsiio *csio; 1543 struct scsi_vpd_unit_serial_number *serial_buf; 1544 u_int32_t priority; 1545 int changed; 1546 int have_serialnum; 1547 1548 changed = 1; 1549 have_serialnum = 0; 1550 csio = &done_ccb->csio; 1551 priority = done_ccb->ccb_h.pinfo.priority; 1552 serial_buf = 1553 (struct scsi_vpd_unit_serial_number *)csio->data_ptr; 1554 1555 if (serial_buf == NULL) { 1556 /* 1557 * Don't process the command as it was never sent 1558 */ 1559 } else if (cam_ccb_status(done_ccb) == CAM_REQ_CMP 1560 && (serial_buf->length > 0)) { 1561 1562 have_serialnum = 1; 1563 path->device->serial_num = 1564 (u_int8_t *)malloc((serial_buf->length + 1), 1565 M_CAMXPT, M_NOWAIT); 1566 if (path->device->serial_num != NULL) { 1567 memcpy(path->device->serial_num, 1568 serial_buf->serial_num, 1569 serial_buf->length); 1570 path->device->serial_num_len = 1571 serial_buf->length; 1572 path->device->serial_num[serial_buf->length] 1573 = '\0'; 1574 } 1575 } else if (cam_periph_error(done_ccb, 0, 1576 SF_RETRY_UA|SF_NO_PRINT, 1577 &softc->saved_ccb) == ERESTART) { 1578 goto outr; 1579 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1580 /* Don't wedge the queue */ 1581 xpt_release_devq(done_ccb->ccb_h.path, /*count*/1, 1582 /*run_queue*/TRUE); 1583 } 1584 1585 /* 1586 * Let's see if we have seen this device before. 1587 */ 1588 if ((softc->flags & PROBE_INQUIRY_CKSUM) != 0) { 1589 MD5_CTX context; 1590 u_int8_t digest[16]; 1591 1592 MD5Init(&context); 1593 1594 MD5Update(&context, 1595 (unsigned char *)&path->device->inq_data, 1596 sizeof(struct scsi_inquiry_data)); 1597 1598 if (have_serialnum) 1599 MD5Update(&context, serial_buf->serial_num, 1600 serial_buf->length); 1601 1602 MD5Final(digest, &context); 1603 if (bcmp(softc->digest, digest, 16) == 0) 1604 changed = 0; 1605 1606 /* 1607 * XXX Do we need to do a TUR in order to ensure 1608 * that the device really hasn't changed??? 1609 */ 1610 if ((changed != 0) 1611 && ((softc->flags & PROBE_NO_ANNOUNCE) == 0)) 1612 xpt_async(AC_LOST_DEVICE, path, NULL); 1613 } 1614 if (serial_buf != NULL) 1615 free(serial_buf, M_CAMXPT); 1616 1617 if (changed != 0) { 1618 /* 1619 * Now that we have all the necessary 1620 * information to safely perform transfer 1621 * negotiations... Controllers don't perform 1622 * any negotiation or tagged queuing until 1623 * after the first XPT_SET_TRAN_SETTINGS ccb is 1624 * received. So, on a new device, just retrieve 1625 * the user settings, and set them as the current 1626 * settings to set the device up. 1627 */ 1628 proberequestdefaultnegotiation(periph); 1629 xpt_release_ccb(done_ccb); 1630 1631 /* 1632 * Perform a TUR to allow the controller to 1633 * perform any necessary transfer negotiation. 1634 */ 1635 PROBE_SET_ACTION(softc, PROBE_TUR_FOR_NEGOTIATION); 1636 xpt_schedule(periph, priority); 1637 goto out; 1638 } 1639 xpt_release_ccb(done_ccb); 1640 break; 1641 } 1642 case PROBE_TUR_FOR_NEGOTIATION: 1643 case PROBE_DV_EXIT: 1644 if (cam_ccb_status(done_ccb) != CAM_REQ_CMP) { 1645 cam_periph_error(done_ccb, 0, 1646 SF_NO_PRINT | SF_NO_RECOVERY | SF_NO_RETRY, NULL); 1647 } 1648 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1649 /* Don't wedge the queue */ 1650 xpt_release_devq(done_ccb->ccb_h.path, /*count*/1, 1651 /*run_queue*/TRUE); 1652 } 1653 /* 1654 * Do Domain Validation for lun 0 on devices that claim 1655 * to support Synchronous Transfer modes. 1656 */ 1657 if (softc->action == PROBE_TUR_FOR_NEGOTIATION 1658 && done_ccb->ccb_h.target_lun == 0 1659 && (path->device->inq_data.flags & SID_Sync) != 0 1660 && (path->device->flags & CAM_DEV_IN_DV) == 0) { 1661 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, 1662 ("Begin Domain Validation\n")); 1663 path->device->flags |= CAM_DEV_IN_DV; 1664 xpt_release_ccb(done_ccb); 1665 PROBE_SET_ACTION(softc, PROBE_INQUIRY_BASIC_DV1); 1666 xpt_schedule(periph, priority); 1667 goto out; 1668 } 1669 if (softc->action == PROBE_DV_EXIT) { 1670 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, 1671 ("Leave Domain Validation\n")); 1672 } 1673 if (path->device->flags & CAM_DEV_UNCONFIGURED) { 1674 path->device->flags &= ~CAM_DEV_UNCONFIGURED; 1675 xpt_acquire_device(path->device); 1676 } 1677 path->device->flags &= 1678 ~(CAM_DEV_IN_DV|CAM_DEV_DV_HIT_BOTTOM); 1679 if ((softc->flags & PROBE_NO_ANNOUNCE) == 0) { 1680 /* Inform the XPT that a new device has been found */ 1681 done_ccb->ccb_h.func_code = XPT_GDEV_TYPE; 1682 xpt_action(done_ccb); 1683 xpt_async(AC_FOUND_DEVICE, done_ccb->ccb_h.path, 1684 done_ccb); 1685 } 1686 PROBE_SET_ACTION(softc, PROBE_DONE); 1687 xpt_release_ccb(done_ccb); 1688 break; 1689 case PROBE_INQUIRY_BASIC_DV1: 1690 case PROBE_INQUIRY_BASIC_DV2: 1691 { 1692 struct scsi_inquiry_data *nbuf; 1693 struct ccb_scsiio *csio; 1694 1695 if (cam_ccb_status(done_ccb) != CAM_REQ_CMP) { 1696 cam_periph_error(done_ccb, 0, 1697 SF_NO_PRINT | SF_NO_RECOVERY | SF_NO_RETRY, NULL); 1698 } 1699 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1700 /* Don't wedge the queue */ 1701 xpt_release_devq(done_ccb->ccb_h.path, /*count*/1, 1702 /*run_queue*/TRUE); 1703 } 1704 csio = &done_ccb->csio; 1705 nbuf = (struct scsi_inquiry_data *)csio->data_ptr; 1706 if (bcmp(nbuf, &path->device->inq_data, SHORT_INQUIRY_LENGTH)) { 1707 xpt_print(path, 1708 "inquiry data fails comparison at DV%d step\n", 1709 softc->action == PROBE_INQUIRY_BASIC_DV1 ? 1 : 2); 1710 if (proberequestbackoff(periph, path->device)) { 1711 path->device->flags &= ~CAM_DEV_IN_DV; 1712 PROBE_SET_ACTION(softc, PROBE_TUR_FOR_NEGOTIATION); 1713 } else { 1714 /* give up */ 1715 PROBE_SET_ACTION(softc, PROBE_DV_EXIT); 1716 } 1717 free(nbuf, M_CAMXPT); 1718 xpt_release_ccb(done_ccb); 1719 xpt_schedule(periph, priority); 1720 goto out; 1721 } 1722 free(nbuf, M_CAMXPT); 1723 if (softc->action == PROBE_INQUIRY_BASIC_DV1) { 1724 PROBE_SET_ACTION(softc, PROBE_INQUIRY_BASIC_DV2); 1725 xpt_release_ccb(done_ccb); 1726 xpt_schedule(periph, priority); 1727 goto out; 1728 } 1729 if (softc->action == PROBE_INQUIRY_BASIC_DV2) { 1730 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, 1731 ("Leave Domain Validation Successfully\n")); 1732 } 1733 if (path->device->flags & CAM_DEV_UNCONFIGURED) { 1734 path->device->flags &= ~CAM_DEV_UNCONFIGURED; 1735 xpt_acquire_device(path->device); 1736 } 1737 path->device->flags &= 1738 ~(CAM_DEV_IN_DV|CAM_DEV_DV_HIT_BOTTOM); 1739 if ((softc->flags & PROBE_NO_ANNOUNCE) == 0) { 1740 /* Inform the XPT that a new device has been found */ 1741 done_ccb->ccb_h.func_code = XPT_GDEV_TYPE; 1742 xpt_action(done_ccb); 1743 xpt_async(AC_FOUND_DEVICE, done_ccb->ccb_h.path, 1744 done_ccb); 1745 } 1746 PROBE_SET_ACTION(softc, PROBE_DONE); 1747 xpt_release_ccb(done_ccb); 1748 break; 1749 } 1750 default: 1751 panic("probedone: invalid action state 0x%x\n", softc->action); 1752 } 1753 done_ccb = (union ccb *)TAILQ_FIRST(&softc->request_ccbs); 1754 TAILQ_REMOVE(&softc->request_ccbs, &done_ccb->ccb_h, periph_links.tqe); 1755 done_ccb->ccb_h.status = CAM_REQ_CMP; 1756 xpt_done(done_ccb); 1757 if (TAILQ_FIRST(&softc->request_ccbs) == NULL) { 1758 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, ("Probe completed\n")); 1759 /* Drop freeze taken due to CAM_DEV_QFREEZE flag set. */ 1760 cam_release_devq(path, 0, 0, 0, FALSE); 1761 cam_periph_release_locked(periph); 1762 cam_periph_invalidate(periph); 1763 cam_periph_release_locked(periph); 1764 } else { 1765 probeschedule(periph); 1766 goto out; 1767 } 1768} 1769 1770static void 1771probe_purge_old(struct cam_path *path, struct scsi_report_luns_data *new, 1772 probe_flags flags) 1773{ 1774 struct cam_path *tp; 1775 struct scsi_report_luns_data *old; 1776 u_int idx1, idx2, nlun_old, nlun_new; 1777 lun_id_t this_lun; 1778 u_int8_t *ol, *nl; 1779 1780 if (path->target == NULL) { 1781 return; 1782 } 1783 mtx_lock(&path->target->luns_mtx); 1784 old = path->target->luns; 1785 path->target->luns = new; 1786 mtx_unlock(&path->target->luns_mtx); 1787 if (old == NULL) 1788 return; 1789 nlun_old = scsi_4btoul(old->length) / 8; 1790 nlun_new = scsi_4btoul(new->length) / 8; 1791 1792 /* 1793 * We are not going to assume sorted lists. Deal. 1794 */ 1795 for (idx1 = 0; idx1 < nlun_old; idx1++) { 1796 ol = old->luns[idx1].lundata; 1797 for (idx2 = 0; idx2 < nlun_new; idx2++) { 1798 nl = new->luns[idx2].lundata; 1799 if (memcmp(nl, ol, 8) == 0) { 1800 break; 1801 } 1802 } 1803 if (idx2 < nlun_new) { 1804 continue; 1805 } 1806 /* 1807 * An 'old' item not in the 'new' list. 1808 * Nuke it. Except that if it is lun 0, 1809 * that would be what the probe state 1810 * machine is currently working on, 1811 * so we won't do that. 1812 */ 1813 CAM_GET_LUN(old, idx1, this_lun); 1814 if (this_lun == 0) { 1815 continue; 1816 } 1817 1818 /* 1819 * We also cannot nuke it if it is 1820 * not in a lun format we understand 1821 * and replace the LUN with a "simple" LUN 1822 * if that is all the HBA supports. 1823 */ 1824 if (!(flags & PROBE_EXTLUN)) { 1825 if (!CAM_CAN_GET_SIMPLE_LUN(old, idx1)) 1826 continue; 1827 CAM_GET_SIMPLE_LUN(old, idx1, this_lun); 1828 } 1829 if (!CAM_LUN_ONLY_32BITS(old, idx1)) 1830 continue; 1831 1832 if (xpt_create_path(&tp, NULL, xpt_path_path_id(path), 1833 xpt_path_target_id(path), this_lun) == CAM_REQ_CMP) { 1834 xpt_async(AC_LOST_DEVICE, tp, NULL); 1835 xpt_free_path(tp); 1836 } 1837 } 1838 free(old, M_CAMXPT); 1839} 1840 1841static void 1842probecleanup(struct cam_periph *periph) 1843{ 1844 free(periph->softc, M_CAMXPT); 1845} 1846 1847static void 1848scsi_find_quirk(struct cam_ed *device) 1849{ 1850 struct scsi_quirk_entry *quirk; 1851 caddr_t match; 1852 1853 match = cam_quirkmatch((caddr_t)&device->inq_data, 1854 (caddr_t)scsi_quirk_table, 1855 sizeof(scsi_quirk_table) / 1856 sizeof(*scsi_quirk_table), 1857 sizeof(*scsi_quirk_table), scsi_inquiry_match); 1858 1859 if (match == NULL) 1860 panic("xpt_find_quirk: device didn't match wildcard entry!!"); 1861 1862 quirk = (struct scsi_quirk_entry *)match; 1863 device->quirk = quirk; 1864 device->mintags = quirk->mintags; 1865 device->maxtags = quirk->maxtags; 1866} 1867 1868static int 1869sysctl_cam_search_luns(SYSCTL_HANDLER_ARGS) 1870{ 1871 int error, val; 1872 1873 val = cam_srch_hi; 1874 error = sysctl_handle_int(oidp, &val, 0, req); 1875 if (error != 0 || req->newptr == NULL) 1876 return (error); 1877 if (val == 0 || val == 1) { 1878 cam_srch_hi = val; 1879 return (0); 1880 } else { 1881 return (EINVAL); 1882 } 1883} 1884 1885typedef struct { 1886 union ccb *request_ccb; 1887 struct ccb_pathinq *cpi; 1888 int counter; 1889 int lunindex[0]; 1890} scsi_scan_bus_info; 1891 1892/* 1893 * To start a scan, request_ccb is an XPT_SCAN_BUS ccb. 1894 * As the scan progresses, scsi_scan_bus is used as the 1895 * callback on completion function. 1896 */ 1897static void 1898scsi_scan_bus(struct cam_periph *periph, union ccb *request_ccb) 1899{ 1900 struct mtx *mtx; 1901 1902 CAM_DEBUG(request_ccb->ccb_h.path, CAM_DEBUG_TRACE, 1903 ("scsi_scan_bus\n")); 1904 switch (request_ccb->ccb_h.func_code) { 1905 case XPT_SCAN_BUS: 1906 case XPT_SCAN_TGT: 1907 { 1908 scsi_scan_bus_info *scan_info; 1909 union ccb *work_ccb, *reset_ccb; 1910 struct cam_path *path; 1911 u_int i; 1912 u_int low_target, max_target; 1913 u_int initiator_id; 1914 1915 /* Find out the characteristics of the bus */ 1916 work_ccb = xpt_alloc_ccb_nowait(); 1917 if (work_ccb == NULL) { 1918 request_ccb->ccb_h.status = CAM_RESRC_UNAVAIL; 1919 xpt_done(request_ccb); 1920 return; 1921 } 1922 xpt_setup_ccb(&work_ccb->ccb_h, request_ccb->ccb_h.path, 1923 request_ccb->ccb_h.pinfo.priority); 1924 work_ccb->ccb_h.func_code = XPT_PATH_INQ; 1925 xpt_action(work_ccb); 1926 if (work_ccb->ccb_h.status != CAM_REQ_CMP) { 1927 request_ccb->ccb_h.status = work_ccb->ccb_h.status; 1928 xpt_free_ccb(work_ccb); 1929 xpt_done(request_ccb); 1930 return; 1931 } 1932 1933 if ((work_ccb->cpi.hba_misc & PIM_NOINITIATOR) != 0) { 1934 /* 1935 * Can't scan the bus on an adapter that 1936 * cannot perform the initiator role. 1937 */ 1938 request_ccb->ccb_h.status = CAM_REQ_CMP; 1939 xpt_free_ccb(work_ccb); 1940 xpt_done(request_ccb); 1941 return; 1942 } 1943 1944 /* We may need to reset bus first, if we haven't done it yet. */ 1945 if ((work_ccb->cpi.hba_inquiry & 1946 (PI_WIDE_32|PI_WIDE_16|PI_SDTR_ABLE)) && 1947 !(work_ccb->cpi.hba_misc & PIM_NOBUSRESET) && 1948 !timevalisset(&request_ccb->ccb_h.path->bus->last_reset) && 1949 (reset_ccb = xpt_alloc_ccb_nowait()) != NULL) { 1950 xpt_setup_ccb(&reset_ccb->ccb_h, request_ccb->ccb_h.path, 1951 CAM_PRIORITY_NONE); 1952 reset_ccb->ccb_h.func_code = XPT_RESET_BUS; 1953 xpt_action(reset_ccb); 1954 if (reset_ccb->ccb_h.status != CAM_REQ_CMP) { 1955 request_ccb->ccb_h.status = reset_ccb->ccb_h.status; 1956 xpt_free_ccb(reset_ccb); 1957 xpt_free_ccb(work_ccb); 1958 xpt_done(request_ccb); 1959 return; 1960 } 1961 xpt_free_ccb(reset_ccb); 1962 } 1963 1964 /* Save some state for use while we probe for devices */ 1965 scan_info = (scsi_scan_bus_info *) malloc(sizeof(scsi_scan_bus_info) + 1966 (work_ccb->cpi.max_target * sizeof (u_int)), M_CAMXPT, M_ZERO|M_NOWAIT); 1967 if (scan_info == NULL) { 1968 request_ccb->ccb_h.status = CAM_RESRC_UNAVAIL; 1969 xpt_free_ccb(work_ccb); 1970 xpt_done(request_ccb); 1971 return; 1972 } 1973 CAM_DEBUG(request_ccb->ccb_h.path, CAM_DEBUG_TRACE, 1974 ("SCAN start for %p\n", scan_info)); 1975 scan_info->request_ccb = request_ccb; 1976 scan_info->cpi = &work_ccb->cpi; 1977 1978 /* Cache on our stack so we can work asynchronously */ 1979 max_target = scan_info->cpi->max_target; 1980 low_target = 0; 1981 initiator_id = scan_info->cpi->initiator_id; 1982 1983 1984 /* 1985 * We can scan all targets in parallel, or do it sequentially. 1986 */ 1987 1988 if (request_ccb->ccb_h.func_code == XPT_SCAN_TGT) { 1989 max_target = low_target = request_ccb->ccb_h.target_id; 1990 scan_info->counter = 0; 1991 } else if (scan_info->cpi->hba_misc & PIM_SEQSCAN) { 1992 max_target = 0; 1993 scan_info->counter = 0; 1994 } else { 1995 scan_info->counter = scan_info->cpi->max_target + 1; 1996 if (scan_info->cpi->initiator_id < scan_info->counter) { 1997 scan_info->counter--; 1998 } 1999 } 2000 mtx = xpt_path_mtx(scan_info->request_ccb->ccb_h.path); 2001 mtx_unlock(mtx); 2002 2003 for (i = low_target; i <= max_target; i++) { 2004 cam_status status; 2005 if (i == initiator_id) 2006 continue; 2007 2008 status = xpt_create_path(&path, NULL, 2009 request_ccb->ccb_h.path_id, 2010 i, 0); 2011 if (status != CAM_REQ_CMP) { 2012 printf("scsi_scan_bus: xpt_create_path failed" 2013 " with status %#x, bus scan halted\n", 2014 status); 2015 free(scan_info, M_CAMXPT); 2016 request_ccb->ccb_h.status = status; 2017 xpt_free_ccb(work_ccb); 2018 xpt_done(request_ccb); 2019 break; 2020 } 2021 work_ccb = xpt_alloc_ccb_nowait(); 2022 if (work_ccb == NULL) { 2023 xpt_free_ccb((union ccb *)scan_info->cpi); 2024 free(scan_info, M_CAMXPT); 2025 xpt_free_path(path); 2026 request_ccb->ccb_h.status = CAM_RESRC_UNAVAIL; 2027 xpt_done(request_ccb); 2028 break; 2029 } 2030 xpt_setup_ccb(&work_ccb->ccb_h, path, 2031 request_ccb->ccb_h.pinfo.priority); 2032 work_ccb->ccb_h.func_code = XPT_SCAN_LUN; 2033 work_ccb->ccb_h.cbfcnp = scsi_scan_bus; 2034 work_ccb->ccb_h.flags |= CAM_UNLOCKED; 2035 work_ccb->ccb_h.ppriv_ptr0 = scan_info; 2036 work_ccb->crcn.flags = request_ccb->crcn.flags; 2037 xpt_action(work_ccb); 2038 } 2039 2040 mtx_lock(mtx); 2041 break; 2042 } 2043 case XPT_SCAN_LUN: 2044 { 2045 cam_status status; 2046 struct cam_path *path, *oldpath; 2047 scsi_scan_bus_info *scan_info; 2048 struct cam_et *target; 2049 struct cam_ed *device, *nextdev; 2050 int next_target; 2051 path_id_t path_id; 2052 target_id_t target_id; 2053 lun_id_t lun_id; 2054 2055 oldpath = request_ccb->ccb_h.path; 2056 2057 status = cam_ccb_status(request_ccb); 2058 scan_info = (scsi_scan_bus_info *)request_ccb->ccb_h.ppriv_ptr0; 2059 path_id = request_ccb->ccb_h.path_id; 2060 target_id = request_ccb->ccb_h.target_id; 2061 lun_id = request_ccb->ccb_h.target_lun; 2062 target = request_ccb->ccb_h.path->target; 2063 next_target = 1; 2064 2065 mtx = xpt_path_mtx(scan_info->request_ccb->ccb_h.path); 2066 mtx_lock(mtx); 2067 mtx_lock(&target->luns_mtx); 2068 if (target->luns) { 2069 lun_id_t first; 2070 u_int nluns = scsi_4btoul(target->luns->length) / 8; 2071 2072 /* 2073 * Make sure we skip over lun 0 if it's the first member 2074 * of the list as we've actually just finished probing 2075 * it. 2076 */ 2077 CAM_GET_LUN(target->luns, 0, first); 2078 if (first == 0 && scan_info->lunindex[target_id] == 0) { 2079 scan_info->lunindex[target_id]++; 2080 } 2081 2082 /* 2083 * Skip any LUNs that the HBA can't deal with. 2084 */ 2085 while (scan_info->lunindex[target_id] < nluns) { 2086 if (scan_info->cpi->hba_misc & PIM_EXTLUNS) { 2087 CAM_GET_LUN(target->luns, 2088 scan_info->lunindex[target_id], 2089 lun_id); 2090 break; 2091 } 2092 2093 /* XXX print warning? */ 2094 if (!CAM_LUN_ONLY_32BITS(target->luns, 2095 scan_info->lunindex[target_id])) 2096 continue; 2097 if (CAM_CAN_GET_SIMPLE_LUN(target->luns, 2098 scan_info->lunindex[target_id])) { 2099 CAM_GET_SIMPLE_LUN(target->luns, 2100 scan_info->lunindex[target_id], 2101 lun_id); 2102 break; 2103 } 2104 2105 scan_info->lunindex[target_id]++; 2106 } 2107 2108 if (scan_info->lunindex[target_id] < nluns) { 2109 mtx_unlock(&target->luns_mtx); 2110 next_target = 0; 2111 CAM_DEBUG(request_ccb->ccb_h.path, 2112 CAM_DEBUG_PROBE, 2113 ("next lun to try at index %u is %jx\n", 2114 scan_info->lunindex[target_id], 2115 (uintmax_t)lun_id)); 2116 scan_info->lunindex[target_id]++; 2117 } else { 2118 mtx_unlock(&target->luns_mtx); 2119 /* We're done with scanning all luns. */ 2120 } 2121 } else { 2122 mtx_unlock(&target->luns_mtx); 2123 device = request_ccb->ccb_h.path->device; 2124 /* Continue sequential LUN scan if: */ 2125 /* -- we have more LUNs that need recheck */ 2126 mtx_lock(&target->bus->eb_mtx); 2127 nextdev = device; 2128 while ((nextdev = TAILQ_NEXT(nextdev, links)) != NULL) 2129 if ((nextdev->flags & CAM_DEV_UNCONFIGURED) == 0) 2130 break; 2131 mtx_unlock(&target->bus->eb_mtx); 2132 if (nextdev != NULL) { 2133 next_target = 0; 2134 /* -- stop if CAM_QUIRK_NOLUNS is set. */ 2135 } else if (SCSI_QUIRK(device)->quirks & CAM_QUIRK_NOLUNS) { 2136 next_target = 1; 2137 /* -- this LUN is connected and its SCSI version 2138 * allows more LUNs. */ 2139 } else if ((device->flags & CAM_DEV_UNCONFIGURED) == 0) { 2140 if (lun_id < (CAM_SCSI2_MAXLUN-1) || 2141 CAN_SRCH_HI_DENSE(device)) 2142 next_target = 0; 2143 /* -- this LUN is disconnected, its SCSI version 2144 * allows more LUNs and we guess they may be. */ 2145 } else if ((device->flags & CAM_DEV_INQUIRY_DATA_VALID) != 0) { 2146 if (lun_id < (CAM_SCSI2_MAXLUN-1) || 2147 CAN_SRCH_HI_SPARSE(device)) 2148 next_target = 0; 2149 } 2150 if (next_target == 0) { 2151 lun_id++; 2152 if (lun_id > scan_info->cpi->max_lun) 2153 next_target = 1; 2154 } 2155 } 2156 2157 /* 2158 * Check to see if we scan any further luns. 2159 */ 2160 if (next_target) { 2161 int done; 2162 2163 /* 2164 * Free the current request path- we're done with it. 2165 */ 2166 xpt_free_path(oldpath); 2167 hop_again: 2168 done = 0; 2169 if (scan_info->request_ccb->ccb_h.func_code == XPT_SCAN_TGT) { 2170 done = 1; 2171 } else if (scan_info->cpi->hba_misc & PIM_SEQSCAN) { 2172 scan_info->counter++; 2173 if (scan_info->counter == 2174 scan_info->cpi->initiator_id) { 2175 scan_info->counter++; 2176 } 2177 if (scan_info->counter >= 2178 scan_info->cpi->max_target+1) { 2179 done = 1; 2180 } 2181 } else { 2182 scan_info->counter--; 2183 if (scan_info->counter == 0) { 2184 done = 1; 2185 } 2186 } 2187 if (done) { 2188 mtx_unlock(mtx); 2189 xpt_free_ccb(request_ccb); 2190 xpt_free_ccb((union ccb *)scan_info->cpi); 2191 request_ccb = scan_info->request_ccb; 2192 CAM_DEBUG(request_ccb->ccb_h.path, 2193 CAM_DEBUG_TRACE, 2194 ("SCAN done for %p\n", scan_info)); 2195 free(scan_info, M_CAMXPT); 2196 request_ccb->ccb_h.status = CAM_REQ_CMP; 2197 xpt_done(request_ccb); 2198 break; 2199 } 2200 2201 if ((scan_info->cpi->hba_misc & PIM_SEQSCAN) == 0) { 2202 mtx_unlock(mtx); 2203 xpt_free_ccb(request_ccb); 2204 break; 2205 } 2206 status = xpt_create_path(&path, NULL, 2207 scan_info->request_ccb->ccb_h.path_id, 2208 scan_info->counter, 0); 2209 if (status != CAM_REQ_CMP) { 2210 mtx_unlock(mtx); 2211 printf("scsi_scan_bus: xpt_create_path failed" 2212 " with status %#x, bus scan halted\n", 2213 status); 2214 xpt_free_ccb(request_ccb); 2215 xpt_free_ccb((union ccb *)scan_info->cpi); 2216 request_ccb = scan_info->request_ccb; 2217 free(scan_info, M_CAMXPT); 2218 request_ccb->ccb_h.status = status; 2219 xpt_done(request_ccb); 2220 break; 2221 } 2222 xpt_setup_ccb(&request_ccb->ccb_h, path, 2223 request_ccb->ccb_h.pinfo.priority); 2224 request_ccb->ccb_h.func_code = XPT_SCAN_LUN; 2225 request_ccb->ccb_h.cbfcnp = scsi_scan_bus; 2226 request_ccb->ccb_h.flags |= CAM_UNLOCKED; 2227 request_ccb->ccb_h.ppriv_ptr0 = scan_info; 2228 request_ccb->crcn.flags = 2229 scan_info->request_ccb->crcn.flags; 2230 } else { 2231 status = xpt_create_path(&path, NULL, 2232 path_id, target_id, lun_id); 2233 /* 2234 * Free the old request path- we're done with it. We 2235 * do this *after* creating the new path so that 2236 * we don't remove a target that has our lun list 2237 * in the case that lun 0 is not present. 2238 */ 2239 xpt_free_path(oldpath); 2240 if (status != CAM_REQ_CMP) { 2241 printf("scsi_scan_bus: xpt_create_path failed " 2242 "with status %#x, halting LUN scan\n", 2243 status); 2244 goto hop_again; 2245 } 2246 xpt_setup_ccb(&request_ccb->ccb_h, path, 2247 request_ccb->ccb_h.pinfo.priority); 2248 request_ccb->ccb_h.func_code = XPT_SCAN_LUN; 2249 request_ccb->ccb_h.cbfcnp = scsi_scan_bus; 2250 request_ccb->ccb_h.flags |= CAM_UNLOCKED; 2251 request_ccb->ccb_h.ppriv_ptr0 = scan_info; 2252 request_ccb->crcn.flags = 2253 scan_info->request_ccb->crcn.flags; 2254 } 2255 mtx_unlock(mtx); 2256 xpt_action(request_ccb); 2257 break; 2258 } 2259 default: 2260 break; 2261 } 2262} 2263 2264static void 2265scsi_scan_lun(struct cam_periph *periph, struct cam_path *path, 2266 cam_flags flags, union ccb *request_ccb) 2267{ 2268 struct ccb_pathinq cpi; 2269 cam_status status; 2270 struct cam_path *new_path; 2271 struct cam_periph *old_periph; 2272 int lock; 2273 2274 CAM_DEBUG(path, CAM_DEBUG_TRACE, ("scsi_scan_lun\n")); 2275 2276 xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NONE); 2277 cpi.ccb_h.func_code = XPT_PATH_INQ; 2278 xpt_action((union ccb *)&cpi); 2279 2280 if (cpi.ccb_h.status != CAM_REQ_CMP) { 2281 if (request_ccb != NULL) { 2282 request_ccb->ccb_h.status = cpi.ccb_h.status; 2283 xpt_done(request_ccb); 2284 } 2285 return; 2286 } 2287 2288 if ((cpi.hba_misc & PIM_NOINITIATOR) != 0) { 2289 /* 2290 * Can't scan the bus on an adapter that 2291 * cannot perform the initiator role. 2292 */ 2293 if (request_ccb != NULL) { 2294 request_ccb->ccb_h.status = CAM_REQ_CMP; 2295 xpt_done(request_ccb); 2296 } 2297 return; 2298 } 2299 2300 if (request_ccb == NULL) { 2301 request_ccb = xpt_alloc_ccb_nowait(); 2302 if (request_ccb == NULL) { 2303 xpt_print(path, "scsi_scan_lun: can't allocate CCB, " 2304 "can't continue\n"); 2305 return; 2306 } 2307 status = xpt_create_path(&new_path, NULL, 2308 path->bus->path_id, 2309 path->target->target_id, 2310 path->device->lun_id); 2311 if (status != CAM_REQ_CMP) { 2312 xpt_print(path, "scsi_scan_lun: can't create path, " 2313 "can't continue\n"); 2314 xpt_free_ccb(request_ccb); 2315 return; 2316 } 2317 xpt_setup_ccb(&request_ccb->ccb_h, new_path, CAM_PRIORITY_XPT); 2318 request_ccb->ccb_h.cbfcnp = xptscandone; 2319 request_ccb->ccb_h.func_code = XPT_SCAN_LUN; 2320 request_ccb->ccb_h.flags |= CAM_UNLOCKED; 2321 request_ccb->crcn.flags = flags; 2322 } 2323 2324 lock = (xpt_path_owned(path) == 0); 2325 if (lock) 2326 xpt_path_lock(path); 2327 if ((old_periph = cam_periph_find(path, "probe")) != NULL) { 2328 if ((old_periph->flags & CAM_PERIPH_INVALID) == 0) { 2329 probe_softc *softc; 2330 2331 softc = (probe_softc *)old_periph->softc; 2332 TAILQ_INSERT_TAIL(&softc->request_ccbs, 2333 &request_ccb->ccb_h, periph_links.tqe); 2334 } else { 2335 request_ccb->ccb_h.status = CAM_REQ_CMP_ERR; 2336 xpt_done(request_ccb); 2337 } 2338 } else { 2339 status = cam_periph_alloc(proberegister, NULL, probecleanup, 2340 probestart, "probe", 2341 CAM_PERIPH_BIO, 2342 request_ccb->ccb_h.path, NULL, 0, 2343 request_ccb); 2344 2345 if (status != CAM_REQ_CMP) { 2346 xpt_print(path, "scsi_scan_lun: cam_alloc_periph " 2347 "returned an error, can't continue probe\n"); 2348 request_ccb->ccb_h.status = status; 2349 xpt_done(request_ccb); 2350 } 2351 } 2352 if (lock) 2353 xpt_path_unlock(path); 2354} 2355 2356static void 2357xptscandone(struct cam_periph *periph, union ccb *done_ccb) 2358{ 2359 2360 xpt_free_path(done_ccb->ccb_h.path); 2361 xpt_free_ccb(done_ccb); 2362} 2363 2364static struct cam_ed * 2365scsi_alloc_device(struct cam_eb *bus, struct cam_et *target, lun_id_t lun_id) 2366{ 2367 struct scsi_quirk_entry *quirk; 2368 struct cam_ed *device; 2369 2370 device = xpt_alloc_device(bus, target, lun_id); 2371 if (device == NULL) 2372 return (NULL); 2373 2374 /* 2375 * Take the default quirk entry until we have inquiry 2376 * data and can determine a better quirk to use. 2377 */ 2378 quirk = &scsi_quirk_table[scsi_quirk_table_size - 1]; 2379 device->quirk = (void *)quirk; 2380 device->mintags = quirk->mintags; 2381 device->maxtags = quirk->maxtags; 2382 bzero(&device->inq_data, sizeof(device->inq_data)); 2383 device->inq_flags = 0; 2384 device->queue_flags = 0; 2385 device->serial_num = NULL; 2386 device->serial_num_len = 0; 2387 device->device_id = NULL; 2388 device->device_id_len = 0; 2389 device->supported_vpds = NULL; 2390 device->supported_vpds_len = 0; 2391 return (device); 2392} 2393 2394static void 2395scsi_devise_transport(struct cam_path *path) 2396{ 2397 struct ccb_pathinq cpi; 2398 struct ccb_trans_settings cts; 2399 struct scsi_inquiry_data *inq_buf; 2400 2401 /* Get transport information from the SIM */ 2402 xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NONE); 2403 cpi.ccb_h.func_code = XPT_PATH_INQ; 2404 xpt_action((union ccb *)&cpi); 2405 2406 inq_buf = NULL; 2407 if ((path->device->flags & CAM_DEV_INQUIRY_DATA_VALID) != 0) 2408 inq_buf = &path->device->inq_data; 2409 path->device->protocol = PROTO_SCSI; 2410 path->device->protocol_version = 2411 inq_buf != NULL ? SID_ANSI_REV(inq_buf) : cpi.protocol_version; 2412 path->device->transport = cpi.transport; 2413 path->device->transport_version = cpi.transport_version; 2414 2415 /* 2416 * Any device not using SPI3 features should 2417 * be considered SPI2 or lower. 2418 */ 2419 if (inq_buf != NULL) { 2420 if (path->device->transport == XPORT_SPI 2421 && (inq_buf->spi3data & SID_SPI_MASK) == 0 2422 && path->device->transport_version > 2) 2423 path->device->transport_version = 2; 2424 } else { 2425 struct cam_ed* otherdev; 2426 2427 for (otherdev = TAILQ_FIRST(&path->target->ed_entries); 2428 otherdev != NULL; 2429 otherdev = TAILQ_NEXT(otherdev, links)) { 2430 if (otherdev != path->device) 2431 break; 2432 } 2433 2434 if (otherdev != NULL) { 2435 /* 2436 * Initially assume the same versioning as 2437 * prior luns for this target. 2438 */ 2439 path->device->protocol_version = 2440 otherdev->protocol_version; 2441 path->device->transport_version = 2442 otherdev->transport_version; 2443 } else { 2444 /* Until we know better, opt for safty */ 2445 path->device->protocol_version = 2; 2446 if (path->device->transport == XPORT_SPI) 2447 path->device->transport_version = 2; 2448 else 2449 path->device->transport_version = 0; 2450 } 2451 } 2452 2453 /* 2454 * XXX 2455 * For a device compliant with SPC-2 we should be able 2456 * to determine the transport version supported by 2457 * scrutinizing the version descriptors in the 2458 * inquiry buffer. 2459 */ 2460 2461 /* Tell the controller what we think */ 2462 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 2463 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 2464 cts.type = CTS_TYPE_CURRENT_SETTINGS; 2465 cts.transport = path->device->transport; 2466 cts.transport_version = path->device->transport_version; 2467 cts.protocol = path->device->protocol; 2468 cts.protocol_version = path->device->protocol_version; 2469 cts.proto_specific.valid = 0; 2470 cts.xport_specific.valid = 0; 2471 xpt_action((union ccb *)&cts); 2472} 2473 2474static void 2475scsi_dev_advinfo(union ccb *start_ccb) 2476{ 2477 struct cam_ed *device; 2478 struct ccb_dev_advinfo *cdai; 2479 off_t amt; 2480 2481 start_ccb->ccb_h.status = CAM_REQ_INVALID; 2482 device = start_ccb->ccb_h.path->device; 2483 cdai = &start_ccb->cdai; 2484 switch(cdai->buftype) { 2485 case CDAI_TYPE_SCSI_DEVID: 2486 if (cdai->flags & CDAI_FLAG_STORE) 2487 return; 2488 cdai->provsiz = device->device_id_len; 2489 if (device->device_id_len == 0) 2490 break; 2491 amt = device->device_id_len; 2492 if (cdai->provsiz > cdai->bufsiz) 2493 amt = cdai->bufsiz; 2494 memcpy(cdai->buf, device->device_id, amt); 2495 break; 2496 case CDAI_TYPE_SERIAL_NUM: 2497 if (cdai->flags & CDAI_FLAG_STORE) 2498 return; 2499 cdai->provsiz = device->serial_num_len; 2500 if (device->serial_num_len == 0) 2501 break; 2502 amt = device->serial_num_len; 2503 if (cdai->provsiz > cdai->bufsiz) 2504 amt = cdai->bufsiz; 2505 memcpy(cdai->buf, device->serial_num, amt); 2506 break; 2507 case CDAI_TYPE_PHYS_PATH: 2508 if (cdai->flags & CDAI_FLAG_STORE) { 2509 if (device->physpath != NULL) { 2510 free(device->physpath, M_CAMXPT); 2511 device->physpath = NULL; 2512 } 2513 device->physpath_len = cdai->bufsiz; 2514 /* Clear existing buffer if zero length */ 2515 if (cdai->bufsiz == 0) 2516 break; 2517 device->physpath = malloc(cdai->bufsiz, M_CAMXPT, M_NOWAIT); 2518 if (device->physpath == NULL) { 2519 start_ccb->ccb_h.status = CAM_REQ_ABORTED; 2520 return; 2521 } 2522 memcpy(device->physpath, cdai->buf, cdai->bufsiz); 2523 } else { 2524 cdai->provsiz = device->physpath_len; 2525 if (device->physpath_len == 0) 2526 break; 2527 amt = device->physpath_len; 2528 if (cdai->provsiz > cdai->bufsiz) 2529 amt = cdai->bufsiz; 2530 memcpy(cdai->buf, device->physpath, amt); 2531 } 2532 break; 2533 case CDAI_TYPE_RCAPLONG: 2534 if (cdai->flags & CDAI_FLAG_STORE) { 2535 if (device->rcap_buf != NULL) { 2536 free(device->rcap_buf, M_CAMXPT); 2537 device->rcap_buf = NULL; 2538 } 2539 2540 device->rcap_len = cdai->bufsiz; 2541 /* Clear existing buffer if zero length */ 2542 if (cdai->bufsiz == 0) 2543 break; 2544 2545 device->rcap_buf = malloc(cdai->bufsiz, M_CAMXPT, 2546 M_NOWAIT); 2547 if (device->rcap_buf == NULL) { 2548 start_ccb->ccb_h.status = CAM_REQ_ABORTED; 2549 return; 2550 } 2551 2552 memcpy(device->rcap_buf, cdai->buf, cdai->bufsiz); 2553 } else { 2554 cdai->provsiz = device->rcap_len; 2555 if (device->rcap_len == 0) 2556 break; 2557 amt = device->rcap_len; 2558 if (cdai->provsiz > cdai->bufsiz) 2559 amt = cdai->bufsiz; 2560 memcpy(cdai->buf, device->rcap_buf, amt); 2561 } 2562 break; 2563 case CDAI_TYPE_EXT_INQ: 2564 /* 2565 * We fetch extended inquiry data during probe, if 2566 * available. We don't allow changing it. 2567 */ 2568 if (cdai->flags & CDAI_FLAG_STORE) 2569 return; 2570 cdai->provsiz = device->ext_inq_len; 2571 if (device->ext_inq_len == 0) 2572 break; 2573 amt = device->ext_inq_len; 2574 if (cdai->provsiz > cdai->bufsiz) 2575 amt = cdai->bufsiz; 2576 memcpy(cdai->buf, device->ext_inq, amt); 2577 break; 2578 default: 2579 return; 2580 } 2581 start_ccb->ccb_h.status = CAM_REQ_CMP; 2582 2583 if (cdai->flags & CDAI_FLAG_STORE) { 2584 xpt_async(AC_ADVINFO_CHANGED, start_ccb->ccb_h.path, 2585 (void *)(uintptr_t)cdai->buftype); 2586 } 2587} 2588 2589static void 2590scsi_action(union ccb *start_ccb) 2591{ 2592 2593 switch (start_ccb->ccb_h.func_code) { 2594 case XPT_SET_TRAN_SETTINGS: 2595 { 2596 scsi_set_transfer_settings(&start_ccb->cts, 2597 start_ccb->ccb_h.path, 2598 /*async_update*/FALSE); 2599 break; 2600 } 2601 case XPT_SCAN_BUS: 2602 case XPT_SCAN_TGT: 2603 scsi_scan_bus(start_ccb->ccb_h.path->periph, start_ccb); 2604 break; 2605 case XPT_SCAN_LUN: 2606 scsi_scan_lun(start_ccb->ccb_h.path->periph, 2607 start_ccb->ccb_h.path, start_ccb->crcn.flags, 2608 start_ccb); 2609 break; 2610 case XPT_DEV_ADVINFO: 2611 { 2612 scsi_dev_advinfo(start_ccb); 2613 break; 2614 } 2615 default: 2616 xpt_action_default(start_ccb); 2617 break; 2618 } 2619} 2620 2621static void 2622scsi_set_transfer_settings(struct ccb_trans_settings *cts, struct cam_path *path, 2623 int async_update) 2624{ 2625 struct ccb_pathinq cpi; 2626 struct ccb_trans_settings cur_cts; 2627 struct ccb_trans_settings_scsi *scsi; 2628 struct ccb_trans_settings_scsi *cur_scsi; 2629 struct scsi_inquiry_data *inq_data; 2630 struct cam_ed *device; 2631 2632 if (path == NULL || (device = path->device) == NULL) { 2633 cts->ccb_h.status = CAM_PATH_INVALID; 2634 xpt_done((union ccb *)cts); 2635 return; 2636 } 2637 2638 if (cts->protocol == PROTO_UNKNOWN 2639 || cts->protocol == PROTO_UNSPECIFIED) { 2640 cts->protocol = device->protocol; 2641 cts->protocol_version = device->protocol_version; 2642 } 2643 2644 if (cts->protocol_version == PROTO_VERSION_UNKNOWN 2645 || cts->protocol_version == PROTO_VERSION_UNSPECIFIED) 2646 cts->protocol_version = device->protocol_version; 2647 2648 if (cts->protocol != device->protocol) { 2649 xpt_print(path, "Uninitialized Protocol %x:%x?\n", 2650 cts->protocol, device->protocol); 2651 cts->protocol = device->protocol; 2652 } 2653 2654 if (cts->protocol_version > device->protocol_version) { 2655 if (bootverbose) { 2656 xpt_print(path, "Down reving Protocol " 2657 "Version from %d to %d?\n", cts->protocol_version, 2658 device->protocol_version); 2659 } 2660 cts->protocol_version = device->protocol_version; 2661 } 2662 2663 if (cts->transport == XPORT_UNKNOWN 2664 || cts->transport == XPORT_UNSPECIFIED) { 2665 cts->transport = device->transport; 2666 cts->transport_version = device->transport_version; 2667 } 2668 2669 if (cts->transport_version == XPORT_VERSION_UNKNOWN 2670 || cts->transport_version == XPORT_VERSION_UNSPECIFIED) 2671 cts->transport_version = device->transport_version; 2672 2673 if (cts->transport != device->transport) { 2674 xpt_print(path, "Uninitialized Transport %x:%x?\n", 2675 cts->transport, device->transport); 2676 cts->transport = device->transport; 2677 } 2678 2679 if (cts->transport_version > device->transport_version) { 2680 if (bootverbose) { 2681 xpt_print(path, "Down reving Transport " 2682 "Version from %d to %d?\n", cts->transport_version, 2683 device->transport_version); 2684 } 2685 cts->transport_version = device->transport_version; 2686 } 2687 2688 /* 2689 * Nothing more of interest to do unless 2690 * this is a device connected via the 2691 * SCSI protocol. 2692 */ 2693 if (cts->protocol != PROTO_SCSI) { 2694 if (async_update == FALSE) 2695 xpt_action_default((union ccb *)cts); 2696 return; 2697 } 2698 2699 inq_data = &device->inq_data; 2700 scsi = &cts->proto_specific.scsi; 2701 xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NONE); 2702 cpi.ccb_h.func_code = XPT_PATH_INQ; 2703 xpt_action((union ccb *)&cpi); 2704 2705 /* SCSI specific sanity checking */ 2706 if ((cpi.hba_inquiry & PI_TAG_ABLE) == 0 2707 || (INQ_DATA_TQ_ENABLED(inq_data)) == 0 2708 || (device->queue_flags & SCP_QUEUE_DQUE) != 0 2709 || (device->mintags == 0)) { 2710 /* 2711 * Can't tag on hardware that doesn't support tags, 2712 * doesn't have it enabled, or has broken tag support. 2713 */ 2714 scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB; 2715 } 2716 2717 if (async_update == FALSE) { 2718 /* 2719 * Perform sanity checking against what the 2720 * controller and device can do. 2721 */ 2722 xpt_setup_ccb(&cur_cts.ccb_h, path, CAM_PRIORITY_NONE); 2723 cur_cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 2724 cur_cts.type = cts->type; 2725 xpt_action((union ccb *)&cur_cts); 2726 if (cam_ccb_status((union ccb *)&cur_cts) != CAM_REQ_CMP) { 2727 return; 2728 } 2729 cur_scsi = &cur_cts.proto_specific.scsi; 2730 if ((scsi->valid & CTS_SCSI_VALID_TQ) == 0) { 2731 scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB; 2732 scsi->flags |= cur_scsi->flags & CTS_SCSI_FLAGS_TAG_ENB; 2733 } 2734 if ((cur_scsi->valid & CTS_SCSI_VALID_TQ) == 0) 2735 scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB; 2736 } 2737 2738 /* SPI specific sanity checking */ 2739 if (cts->transport == XPORT_SPI && async_update == FALSE) { 2740 u_int spi3caps; 2741 struct ccb_trans_settings_spi *spi; 2742 struct ccb_trans_settings_spi *cur_spi; 2743 2744 spi = &cts->xport_specific.spi; 2745 2746 cur_spi = &cur_cts.xport_specific.spi; 2747 2748 /* Fill in any gaps in what the user gave us */ 2749 if ((spi->valid & CTS_SPI_VALID_SYNC_RATE) == 0) 2750 spi->sync_period = cur_spi->sync_period; 2751 if ((cur_spi->valid & CTS_SPI_VALID_SYNC_RATE) == 0) 2752 spi->sync_period = 0; 2753 if ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) == 0) 2754 spi->sync_offset = cur_spi->sync_offset; 2755 if ((cur_spi->valid & CTS_SPI_VALID_SYNC_OFFSET) == 0) 2756 spi->sync_offset = 0; 2757 if ((spi->valid & CTS_SPI_VALID_PPR_OPTIONS) == 0) 2758 spi->ppr_options = cur_spi->ppr_options; 2759 if ((cur_spi->valid & CTS_SPI_VALID_PPR_OPTIONS) == 0) 2760 spi->ppr_options = 0; 2761 if ((spi->valid & CTS_SPI_VALID_BUS_WIDTH) == 0) 2762 spi->bus_width = cur_spi->bus_width; 2763 if ((cur_spi->valid & CTS_SPI_VALID_BUS_WIDTH) == 0) 2764 spi->bus_width = 0; 2765 if ((spi->valid & CTS_SPI_VALID_DISC) == 0) { 2766 spi->flags &= ~CTS_SPI_FLAGS_DISC_ENB; 2767 spi->flags |= cur_spi->flags & CTS_SPI_FLAGS_DISC_ENB; 2768 } 2769 if ((cur_spi->valid & CTS_SPI_VALID_DISC) == 0) 2770 spi->flags &= ~CTS_SPI_FLAGS_DISC_ENB; 2771 if (((device->flags & CAM_DEV_INQUIRY_DATA_VALID) != 0 2772 && (inq_data->flags & SID_Sync) == 0 2773 && cts->type == CTS_TYPE_CURRENT_SETTINGS) 2774 || ((cpi.hba_inquiry & PI_SDTR_ABLE) == 0)) { 2775 /* Force async */ 2776 spi->sync_period = 0; 2777 spi->sync_offset = 0; 2778 } 2779 2780 switch (spi->bus_width) { 2781 case MSG_EXT_WDTR_BUS_32_BIT: 2782 if (((device->flags & CAM_DEV_INQUIRY_DATA_VALID) == 0 2783 || (inq_data->flags & SID_WBus32) != 0 2784 || cts->type == CTS_TYPE_USER_SETTINGS) 2785 && (cpi.hba_inquiry & PI_WIDE_32) != 0) 2786 break; 2787 /* Fall Through to 16-bit */ 2788 case MSG_EXT_WDTR_BUS_16_BIT: 2789 if (((device->flags & CAM_DEV_INQUIRY_DATA_VALID) == 0 2790 || (inq_data->flags & SID_WBus16) != 0 2791 || cts->type == CTS_TYPE_USER_SETTINGS) 2792 && (cpi.hba_inquiry & PI_WIDE_16) != 0) { 2793 spi->bus_width = MSG_EXT_WDTR_BUS_16_BIT; 2794 break; 2795 } 2796 /* Fall Through to 8-bit */ 2797 default: /* New bus width?? */ 2798 case MSG_EXT_WDTR_BUS_8_BIT: 2799 /* All targets can do this */ 2800 spi->bus_width = MSG_EXT_WDTR_BUS_8_BIT; 2801 break; 2802 } 2803 2804 spi3caps = cpi.xport_specific.spi.ppr_options; 2805 if ((device->flags & CAM_DEV_INQUIRY_DATA_VALID) != 0 2806 && cts->type == CTS_TYPE_CURRENT_SETTINGS) 2807 spi3caps &= inq_data->spi3data; 2808 2809 if ((spi3caps & SID_SPI_CLOCK_DT) == 0) 2810 spi->ppr_options &= ~MSG_EXT_PPR_DT_REQ; 2811 2812 if ((spi3caps & SID_SPI_IUS) == 0) 2813 spi->ppr_options &= ~MSG_EXT_PPR_IU_REQ; 2814 2815 if ((spi3caps & SID_SPI_QAS) == 0) 2816 spi->ppr_options &= ~MSG_EXT_PPR_QAS_REQ; 2817 2818 /* No SPI Transfer settings are allowed unless we are wide */ 2819 if (spi->bus_width == 0) 2820 spi->ppr_options = 0; 2821 2822 if ((spi->valid & CTS_SPI_VALID_DISC) 2823 && ((spi->flags & CTS_SPI_FLAGS_DISC_ENB) == 0)) { 2824 /* 2825 * Can't tag queue without disconnection. 2826 */ 2827 scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB; 2828 scsi->valid |= CTS_SCSI_VALID_TQ; 2829 } 2830 2831 /* 2832 * If we are currently performing tagged transactions to 2833 * this device and want to change its negotiation parameters, 2834 * go non-tagged for a bit to give the controller a chance to 2835 * negotiate unhampered by tag messages. 2836 */ 2837 if (cts->type == CTS_TYPE_CURRENT_SETTINGS 2838 && (device->inq_flags & SID_CmdQue) != 0 2839 && (scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0 2840 && (spi->flags & (CTS_SPI_VALID_SYNC_RATE| 2841 CTS_SPI_VALID_SYNC_OFFSET| 2842 CTS_SPI_VALID_BUS_WIDTH)) != 0) 2843 scsi_toggle_tags(path); 2844 } 2845 2846 if (cts->type == CTS_TYPE_CURRENT_SETTINGS 2847 && (scsi->valid & CTS_SCSI_VALID_TQ) != 0) { 2848 int device_tagenb; 2849 2850 /* 2851 * If we are transitioning from tags to no-tags or 2852 * vice-versa, we need to carefully freeze and restart 2853 * the queue so that we don't overlap tagged and non-tagged 2854 * commands. We also temporarily stop tags if there is 2855 * a change in transfer negotiation settings to allow 2856 * "tag-less" negotiation. 2857 */ 2858 if ((device->flags & CAM_DEV_TAG_AFTER_COUNT) != 0 2859 || (device->inq_flags & SID_CmdQue) != 0) 2860 device_tagenb = TRUE; 2861 else 2862 device_tagenb = FALSE; 2863 2864 if (((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0 2865 && device_tagenb == FALSE) 2866 || ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) == 0 2867 && device_tagenb == TRUE)) { 2868 2869 if ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0) { 2870 /* 2871 * Delay change to use tags until after a 2872 * few commands have gone to this device so 2873 * the controller has time to perform transfer 2874 * negotiations without tagged messages getting 2875 * in the way. 2876 */ 2877 device->tag_delay_count = CAM_TAG_DELAY_COUNT; 2878 device->flags |= CAM_DEV_TAG_AFTER_COUNT; 2879 } else { 2880 xpt_stop_tags(path); 2881 } 2882 } 2883 } 2884 if (async_update == FALSE) 2885 xpt_action_default((union ccb *)cts); 2886} 2887 2888static void 2889scsi_toggle_tags(struct cam_path *path) 2890{ 2891 struct cam_ed *dev; 2892 2893 /* 2894 * Give controllers a chance to renegotiate 2895 * before starting tag operations. We 2896 * "toggle" tagged queuing off then on 2897 * which causes the tag enable command delay 2898 * counter to come into effect. 2899 */ 2900 dev = path->device; 2901 if ((dev->flags & CAM_DEV_TAG_AFTER_COUNT) != 0 2902 || ((dev->inq_flags & SID_CmdQue) != 0 2903 && (dev->inq_flags & (SID_Sync|SID_WBus16|SID_WBus32)) != 0)) { 2904 struct ccb_trans_settings cts; 2905 2906 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 2907 cts.protocol = PROTO_SCSI; 2908 cts.protocol_version = PROTO_VERSION_UNSPECIFIED; 2909 cts.transport = XPORT_UNSPECIFIED; 2910 cts.transport_version = XPORT_VERSION_UNSPECIFIED; 2911 cts.proto_specific.scsi.flags = 0; 2912 cts.proto_specific.scsi.valid = CTS_SCSI_VALID_TQ; 2913 scsi_set_transfer_settings(&cts, path, 2914 /*async_update*/TRUE); 2915 cts.proto_specific.scsi.flags = CTS_SCSI_FLAGS_TAG_ENB; 2916 scsi_set_transfer_settings(&cts, path, 2917 /*async_update*/TRUE); 2918 } 2919} 2920 2921/* 2922 * Handle any per-device event notifications that require action by the XPT. 2923 */ 2924static void 2925scsi_dev_async(u_int32_t async_code, struct cam_eb *bus, struct cam_et *target, 2926 struct cam_ed *device, void *async_arg) 2927{ 2928 cam_status status; 2929 struct cam_path newpath; 2930 2931 /* 2932 * We only need to handle events for real devices. 2933 */ 2934 if (target->target_id == CAM_TARGET_WILDCARD 2935 || device->lun_id == CAM_LUN_WILDCARD) 2936 return; 2937 2938 /* 2939 * We need our own path with wildcards expanded to 2940 * handle certain types of events. 2941 */ 2942 if ((async_code == AC_SENT_BDR) 2943 || (async_code == AC_BUS_RESET) 2944 || (async_code == AC_INQ_CHANGED)) 2945 status = xpt_compile_path(&newpath, NULL, 2946 bus->path_id, 2947 target->target_id, 2948 device->lun_id); 2949 else 2950 status = CAM_REQ_CMP_ERR; 2951 2952 if (status == CAM_REQ_CMP) { 2953 2954 /* 2955 * Allow transfer negotiation to occur in a 2956 * tag free environment and after settle delay. 2957 */ 2958 if (async_code == AC_SENT_BDR 2959 || async_code == AC_BUS_RESET) { 2960 cam_freeze_devq(&newpath); 2961 cam_release_devq(&newpath, 2962 RELSIM_RELEASE_AFTER_TIMEOUT, 2963 /*reduction*/0, 2964 /*timeout*/scsi_delay, 2965 /*getcount_only*/0); 2966 scsi_toggle_tags(&newpath); 2967 } 2968 2969 if (async_code == AC_INQ_CHANGED) { 2970 /* 2971 * We've sent a start unit command, or 2972 * something similar to a device that 2973 * may have caused its inquiry data to 2974 * change. So we re-scan the device to 2975 * refresh the inquiry data for it. 2976 */ 2977 scsi_scan_lun(newpath.periph, &newpath, 2978 CAM_EXPECT_INQ_CHANGE, NULL); 2979 } 2980 xpt_release_path(&newpath); 2981 } else if (async_code == AC_LOST_DEVICE && 2982 (device->flags & CAM_DEV_UNCONFIGURED) == 0) { 2983 device->flags |= CAM_DEV_UNCONFIGURED; 2984 xpt_release_device(device); 2985 } else if (async_code == AC_TRANSFER_NEG) { 2986 struct ccb_trans_settings *settings; 2987 struct cam_path path; 2988 2989 settings = (struct ccb_trans_settings *)async_arg; 2990 xpt_compile_path(&path, NULL, bus->path_id, target->target_id, 2991 device->lun_id); 2992 scsi_set_transfer_settings(settings, &path, 2993 /*async_update*/TRUE); 2994 xpt_release_path(&path); 2995 } 2996} 2997 2998static void 2999scsi_announce_periph(struct cam_periph *periph) 3000{ 3001 struct ccb_pathinq cpi; 3002 struct ccb_trans_settings cts; 3003 struct cam_path *path = periph->path; 3004 u_int speed; 3005 u_int freq; 3006 u_int mb; 3007 3008 cam_periph_assert(periph, MA_OWNED); 3009 3010 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NORMAL); 3011 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 3012 cts.type = CTS_TYPE_CURRENT_SETTINGS; 3013 xpt_action((union ccb*)&cts); 3014 if (cam_ccb_status((union ccb *)&cts) != CAM_REQ_CMP) 3015 return; 3016 /* Ask the SIM for its base transfer speed */ 3017 xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NORMAL); 3018 cpi.ccb_h.func_code = XPT_PATH_INQ; 3019 xpt_action((union ccb *)&cpi); 3020 /* Report connection speed */ 3021 speed = cpi.base_transfer_speed; 3022 freq = 0; 3023 if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_SPI) { 3024 struct ccb_trans_settings_spi *spi = 3025 &cts.xport_specific.spi; 3026 3027 if ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) != 0 3028 && spi->sync_offset != 0) { 3029 freq = scsi_calc_syncsrate(spi->sync_period); 3030 speed = freq; 3031 } 3032 if ((spi->valid & CTS_SPI_VALID_BUS_WIDTH) != 0) 3033 speed *= (0x01 << spi->bus_width); 3034 } 3035 if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_FC) { 3036 struct ccb_trans_settings_fc *fc = 3037 &cts.xport_specific.fc; 3038 3039 if (fc->valid & CTS_FC_VALID_SPEED) 3040 speed = fc->bitrate; 3041 } 3042 if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_SAS) { 3043 struct ccb_trans_settings_sas *sas = 3044 &cts.xport_specific.sas; 3045 3046 if (sas->valid & CTS_SAS_VALID_SPEED) 3047 speed = sas->bitrate; 3048 } 3049 mb = speed / 1000; 3050 if (mb > 0) 3051 printf("%s%d: %d.%03dMB/s transfers", 3052 periph->periph_name, periph->unit_number, 3053 mb, speed % 1000); 3054 else 3055 printf("%s%d: %dKB/s transfers", periph->periph_name, 3056 periph->unit_number, speed); 3057 /* Report additional information about SPI connections */ 3058 if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_SPI) { 3059 struct ccb_trans_settings_spi *spi; 3060 3061 spi = &cts.xport_specific.spi; 3062 if (freq != 0) { 3063 printf(" (%d.%03dMHz%s, offset %d", freq / 1000, 3064 freq % 1000, 3065 (spi->ppr_options & MSG_EXT_PPR_DT_REQ) != 0 3066 ? " DT" : "", 3067 spi->sync_offset); 3068 } 3069 if ((spi->valid & CTS_SPI_VALID_BUS_WIDTH) != 0 3070 && spi->bus_width > 0) { 3071 if (freq != 0) { 3072 printf(", "); 3073 } else { 3074 printf(" ("); 3075 } 3076 printf("%dbit)", 8 * (0x01 << spi->bus_width)); 3077 } else if (freq != 0) { 3078 printf(")"); 3079 } 3080 } 3081 if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_FC) { 3082 struct ccb_trans_settings_fc *fc; 3083 3084 fc = &cts.xport_specific.fc; 3085 if (fc->valid & CTS_FC_VALID_WWNN) 3086 printf(" WWNN 0x%llx", (long long) fc->wwnn); 3087 if (fc->valid & CTS_FC_VALID_WWPN) 3088 printf(" WWPN 0x%llx", (long long) fc->wwpn); 3089 if (fc->valid & CTS_FC_VALID_PORT) 3090 printf(" PortID 0x%x", fc->port); 3091 } 3092 printf("\n"); 3093} 3094 3095