scsi_xpt.c revision 278169
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: stable/10/sys/cam/scsi/scsi_xpt.c 278169 2015-02-03 21:54:59Z 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_SERIAL_NUM, 146 PROBE_TUR_FOR_NEGOTIATION, 147 PROBE_INQUIRY_BASIC_DV1, 148 PROBE_INQUIRY_BASIC_DV2, 149 PROBE_DV_EXIT, 150 PROBE_DONE, 151 PROBE_INVALID 152} probe_action; 153 154static char *probe_action_text[] = { 155 "PROBE_TUR", 156 "PROBE_INQUIRY", 157 "PROBE_FULL_INQUIRY", 158 "PROBE_REPORT_LUNS", 159 "PROBE_MODE_SENSE", 160 "PROBE_SUPPORTED_VPD_LIST", 161 "PROBE_DEVICE_ID", 162 "PROBE_SERIAL_NUM", 163 "PROBE_TUR_FOR_NEGOTIATION", 164 "PROBE_INQUIRY_BASIC_DV1", 165 "PROBE_INQUIRY_BASIC_DV2", 166 "PROBE_DV_EXIT", 167 "PROBE_DONE", 168 "PROBE_INVALID" 169}; 170 171#define PROBE_SET_ACTION(softc, newaction) \ 172do { \ 173 char **text; \ 174 text = probe_action_text; \ 175 CAM_DEBUG((softc)->periph->path, CAM_DEBUG_PROBE, \ 176 ("Probe %s to %s\n", text[(softc)->action], \ 177 text[(newaction)])); \ 178 (softc)->action = (newaction); \ 179} while(0) 180 181typedef enum { 182 PROBE_INQUIRY_CKSUM = 0x01, 183 PROBE_SERIAL_CKSUM = 0x02, 184 PROBE_NO_ANNOUNCE = 0x04, 185 PROBE_EXTLUN = 0x08 186} probe_flags; 187 188typedef struct { 189 TAILQ_HEAD(, ccb_hdr) request_ccbs; 190 probe_action action; 191 union ccb saved_ccb; 192 probe_flags flags; 193 MD5_CTX context; 194 u_int8_t digest[16]; 195 struct cam_periph *periph; 196} probe_softc; 197 198static const char quantum[] = "QUANTUM"; 199static const char sony[] = "SONY"; 200static const char west_digital[] = "WDIGTL"; 201static const char samsung[] = "SAMSUNG"; 202static const char seagate[] = "SEAGATE"; 203static const char microp[] = "MICROP"; 204 205static struct scsi_quirk_entry scsi_quirk_table[] = 206{ 207 { 208 /* Reports QUEUE FULL for temporary resource shortages */ 209 { T_DIRECT, SIP_MEDIA_FIXED, quantum, "XP39100*", "*" }, 210 /*quirks*/0, /*mintags*/24, /*maxtags*/32 211 }, 212 { 213 /* Reports QUEUE FULL for temporary resource shortages */ 214 { T_DIRECT, SIP_MEDIA_FIXED, quantum, "XP34550*", "*" }, 215 /*quirks*/0, /*mintags*/24, /*maxtags*/32 216 }, 217 { 218 /* Reports QUEUE FULL for temporary resource shortages */ 219 { T_DIRECT, SIP_MEDIA_FIXED, quantum, "XP32275*", "*" }, 220 /*quirks*/0, /*mintags*/24, /*maxtags*/32 221 }, 222 { 223 /* Broken tagged queuing drive */ 224 { T_DIRECT, SIP_MEDIA_FIXED, microp, "4421-07*", "*" }, 225 /*quirks*/0, /*mintags*/0, /*maxtags*/0 226 }, 227 { 228 /* Broken tagged queuing drive */ 229 { T_DIRECT, SIP_MEDIA_FIXED, "HP", "C372*", "*" }, 230 /*quirks*/0, /*mintags*/0, /*maxtags*/0 231 }, 232 { 233 /* Broken tagged queuing drive */ 234 { T_DIRECT, SIP_MEDIA_FIXED, microp, "3391*", "x43h" }, 235 /*quirks*/0, /*mintags*/0, /*maxtags*/0 236 }, 237 { 238 /* 239 * Unfortunately, the Quantum Atlas III has the same 240 * problem as the Atlas II drives above. 241 * Reported by: "Johan Granlund" <johan@granlund.nu> 242 * 243 * For future reference, the drive with the problem was: 244 * QUANTUM QM39100TD-SW N1B0 245 * 246 * It's possible that Quantum will fix the problem in later 247 * firmware revisions. If that happens, the quirk entry 248 * will need to be made specific to the firmware revisions 249 * with the problem. 250 * 251 */ 252 /* Reports QUEUE FULL for temporary resource shortages */ 253 { T_DIRECT, SIP_MEDIA_FIXED, quantum, "QM39100*", "*" }, 254 /*quirks*/0, /*mintags*/24, /*maxtags*/32 255 }, 256 { 257 /* 258 * 18 Gig Atlas III, same problem as the 9G version. 259 * Reported by: Andre Albsmeier 260 * <andre.albsmeier@mchp.siemens.de> 261 * 262 * For future reference, the drive with the problem was: 263 * QUANTUM QM318000TD-S N491 264 */ 265 /* Reports QUEUE FULL for temporary resource shortages */ 266 { T_DIRECT, SIP_MEDIA_FIXED, quantum, "QM318000*", "*" }, 267 /*quirks*/0, /*mintags*/24, /*maxtags*/32 268 }, 269 { 270 /* 271 * Broken tagged queuing drive 272 * Reported by: Bret Ford <bford@uop.cs.uop.edu> 273 * and: Martin Renters <martin@tdc.on.ca> 274 */ 275 { T_DIRECT, SIP_MEDIA_FIXED, seagate, "ST410800*", "71*" }, 276 /*quirks*/0, /*mintags*/0, /*maxtags*/0 277 }, 278 /* 279 * The Seagate Medalist Pro drives have very poor write 280 * performance with anything more than 2 tags. 281 * 282 * Reported by: Paul van der Zwan <paulz@trantor.xs4all.nl> 283 * Drive: <SEAGATE ST36530N 1444> 284 * 285 * Reported by: Jeremy Lea <reg@shale.csir.co.za> 286 * Drive: <SEAGATE ST34520W 1281> 287 * 288 * No one has actually reported that the 9G version 289 * (ST39140*) of the Medalist Pro has the same problem, but 290 * we're assuming that it does because the 4G and 6.5G 291 * versions of the drive are broken. 292 */ 293 { 294 { T_DIRECT, SIP_MEDIA_FIXED, seagate, "ST34520*", "*"}, 295 /*quirks*/0, /*mintags*/2, /*maxtags*/2 296 }, 297 { 298 { T_DIRECT, SIP_MEDIA_FIXED, seagate, "ST36530*", "*"}, 299 /*quirks*/0, /*mintags*/2, /*maxtags*/2 300 }, 301 { 302 { T_DIRECT, SIP_MEDIA_FIXED, seagate, "ST39140*", "*"}, 303 /*quirks*/0, /*mintags*/2, /*maxtags*/2 304 }, 305 { 306 /* 307 * Experiences command timeouts under load with a 308 * tag count higher than 55. 309 */ 310 { T_DIRECT, SIP_MEDIA_FIXED, seagate, "ST3146855LW", "*"}, 311 /*quirks*/0, /*mintags*/2, /*maxtags*/55 312 }, 313 { 314 /* 315 * Slow when tagged queueing is enabled. Write performance 316 * steadily drops off with more and more concurrent 317 * transactions. Best sequential write performance with 318 * tagged queueing turned off and write caching turned on. 319 * 320 * PR: kern/10398 321 * Submitted by: Hideaki Okada <hokada@isl.melco.co.jp> 322 * Drive: DCAS-34330 w/ "S65A" firmware. 323 * 324 * The drive with the problem had the "S65A" firmware 325 * revision, and has also been reported (by Stephen J. 326 * Roznowski <sjr@home.net>) for a drive with the "S61A" 327 * firmware revision. 328 * 329 * Although no one has reported problems with the 2 gig 330 * version of the DCAS drive, the assumption is that it 331 * has the same problems as the 4 gig version. Therefore 332 * this quirk entries disables tagged queueing for all 333 * DCAS drives. 334 */ 335 { T_DIRECT, SIP_MEDIA_FIXED, "IBM", "DCAS*", "*" }, 336 /*quirks*/0, /*mintags*/0, /*maxtags*/0 337 }, 338 { 339 /* Broken tagged queuing drive */ 340 { T_DIRECT, SIP_MEDIA_REMOVABLE, "iomega", "jaz*", "*" }, 341 /*quirks*/0, /*mintags*/0, /*maxtags*/0 342 }, 343 { 344 /* Broken tagged queuing drive */ 345 { T_DIRECT, SIP_MEDIA_FIXED, "CONNER", "CFP2107*", "*" }, 346 /*quirks*/0, /*mintags*/0, /*maxtags*/0 347 }, 348 { 349 /* This does not support other than LUN 0 */ 350 { T_DIRECT, SIP_MEDIA_FIXED, "VMware*", "*", "*" }, 351 CAM_QUIRK_NOLUNS, /*mintags*/2, /*maxtags*/255 352 }, 353 { 354 /* 355 * Broken tagged queuing drive. 356 * Submitted by: 357 * NAKAJI Hiroyuki <nakaji@zeisei.dpri.kyoto-u.ac.jp> 358 * in PR kern/9535 359 */ 360 { T_DIRECT, SIP_MEDIA_FIXED, samsung, "WN34324U*", "*" }, 361 /*quirks*/0, /*mintags*/0, /*maxtags*/0 362 }, 363 { 364 /* 365 * Slow when tagged queueing is enabled. (1.5MB/sec versus 366 * 8MB/sec.) 367 * Submitted by: Andrew Gallatin <gallatin@cs.duke.edu> 368 * Best performance with these drives is achieved with 369 * tagged queueing turned off, and write caching turned on. 370 */ 371 { T_DIRECT, SIP_MEDIA_FIXED, west_digital, "WDE*", "*" }, 372 /*quirks*/0, /*mintags*/0, /*maxtags*/0 373 }, 374 { 375 /* 376 * Slow when tagged queueing is enabled. (1.5MB/sec versus 377 * 8MB/sec.) 378 * Submitted by: Andrew Gallatin <gallatin@cs.duke.edu> 379 * Best performance with these drives is achieved with 380 * tagged queueing turned off, and write caching turned on. 381 */ 382 { T_DIRECT, SIP_MEDIA_FIXED, west_digital, "ENTERPRISE", "*" }, 383 /*quirks*/0, /*mintags*/0, /*maxtags*/0 384 }, 385 { 386 /* 387 * Doesn't handle queue full condition correctly, 388 * so we need to limit maxtags to what the device 389 * can handle instead of determining this automatically. 390 */ 391 { T_DIRECT, SIP_MEDIA_FIXED, samsung, "WN321010S*", "*" }, 392 /*quirks*/0, /*mintags*/2, /*maxtags*/32 393 }, 394 { 395 /* Really only one LUN */ 396 { T_ENCLOSURE, SIP_MEDIA_FIXED, "SUN", "SENA", "*" }, 397 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 398 }, 399 { 400 /* I can't believe we need a quirk for DPT volumes. */ 401 { T_ANY, SIP_MEDIA_FIXED|SIP_MEDIA_REMOVABLE, "DPT", "*", "*" }, 402 CAM_QUIRK_NOLUNS, 403 /*mintags*/0, /*maxtags*/255 404 }, 405 { 406 /* 407 * Many Sony CDROM drives don't like multi-LUN probing. 408 */ 409 { T_CDROM, SIP_MEDIA_REMOVABLE, sony, "CD-ROM CDU*", "*" }, 410 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 411 }, 412 { 413 /* 414 * This drive doesn't like multiple LUN probing. 415 * Submitted by: Parag Patel <parag@cgt.com> 416 */ 417 { T_WORM, SIP_MEDIA_REMOVABLE, sony, "CD-R CDU9*", "*" }, 418 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 419 }, 420 { 421 { T_WORM, SIP_MEDIA_REMOVABLE, "YAMAHA", "CDR100*", "*" }, 422 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 423 }, 424 { 425 /* 426 * The 8200 doesn't like multi-lun probing, and probably 427 * don't like serial number requests either. 428 */ 429 { 430 T_SEQUENTIAL, SIP_MEDIA_REMOVABLE, "EXABYTE", 431 "EXB-8200*", "*" 432 }, 433 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 434 }, 435 { 436 /* 437 * Let's try the same as above, but for a drive that says 438 * it's an IPL-6860 but is actually an EXB 8200. 439 */ 440 { 441 T_SEQUENTIAL, SIP_MEDIA_REMOVABLE, "EXABYTE", 442 "IPL-6860*", "*" 443 }, 444 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 445 }, 446 { 447 /* 448 * These Hitachi drives don't like multi-lun probing. 449 * The PR submitter has a DK319H, but says that the Linux 450 * kernel has a similar work-around for the DK312 and DK314, 451 * so all DK31* drives are quirked here. 452 * PR: misc/18793 453 * Submitted by: Paul Haddad <paul@pth.com> 454 */ 455 { T_DIRECT, SIP_MEDIA_FIXED, "HITACHI", "DK31*", "*" }, 456 CAM_QUIRK_NOLUNS, /*mintags*/2, /*maxtags*/255 457 }, 458 { 459 /* 460 * The Hitachi CJ series with J8A8 firmware apparantly has 461 * problems with tagged commands. 462 * PR: 23536 463 * Reported by: amagai@nue.org 464 */ 465 { T_DIRECT, SIP_MEDIA_FIXED, "HITACHI", "DK32CJ*", "J8A8" }, 466 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 467 }, 468 { 469 /* 470 * These are the large storage arrays. 471 * Submitted by: William Carrel <william.carrel@infospace.com> 472 */ 473 { T_DIRECT, SIP_MEDIA_FIXED, "HITACHI", "OPEN*", "*" }, 474 CAM_QUIRK_HILUNS, 2, 1024 475 }, 476 { 477 /* 478 * This old revision of the TDC3600 is also SCSI-1, and 479 * hangs upon serial number probing. 480 */ 481 { 482 T_SEQUENTIAL, SIP_MEDIA_REMOVABLE, "TANDBERG", 483 " TDC 3600", "U07:" 484 }, 485 CAM_QUIRK_NOVPDS, /*mintags*/0, /*maxtags*/0 486 }, 487 { 488 /* 489 * Would repond to all LUNs if asked for. 490 */ 491 { 492 T_SEQUENTIAL, SIP_MEDIA_REMOVABLE, "CALIPER", 493 "CP150", "*" 494 }, 495 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 496 }, 497 { 498 /* 499 * Would repond to all LUNs if asked for. 500 */ 501 { 502 T_SEQUENTIAL, SIP_MEDIA_REMOVABLE, "KENNEDY", 503 "96X2*", "*" 504 }, 505 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 506 }, 507 { 508 /* Submitted by: Matthew Dodd <winter@jurai.net> */ 509 { T_PROCESSOR, SIP_MEDIA_FIXED, "Cabletrn", "EA41*", "*" }, 510 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 511 }, 512 { 513 /* Submitted by: Matthew Dodd <winter@jurai.net> */ 514 { T_PROCESSOR, SIP_MEDIA_FIXED, "CABLETRN", "EA41*", "*" }, 515 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 516 }, 517 { 518 /* TeraSolutions special settings for TRC-22 RAID */ 519 { T_DIRECT, SIP_MEDIA_FIXED, "TERASOLU", "TRC-22", "*" }, 520 /*quirks*/0, /*mintags*/55, /*maxtags*/255 521 }, 522 { 523 /* Veritas Storage Appliance */ 524 { T_DIRECT, SIP_MEDIA_FIXED, "VERITAS", "*", "*" }, 525 CAM_QUIRK_HILUNS, /*mintags*/2, /*maxtags*/1024 526 }, 527 { 528 /* 529 * Would respond to all LUNs. Device type and removable 530 * flag are jumper-selectable. 531 */ 532 { T_ANY, SIP_MEDIA_REMOVABLE|SIP_MEDIA_FIXED, "MaxOptix", 533 "Tahiti 1", "*" 534 }, 535 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 536 }, 537 { 538 /* EasyRAID E5A aka. areca ARC-6010 */ 539 { T_DIRECT, SIP_MEDIA_FIXED, "easyRAID", "*", "*" }, 540 CAM_QUIRK_NOHILUNS, /*mintags*/2, /*maxtags*/255 541 }, 542 { 543 { T_ENCLOSURE, SIP_MEDIA_FIXED, "DP", "BACKPLANE", "*" }, 544 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 545 }, 546 { 547 { T_DIRECT, SIP_MEDIA_REMOVABLE, "Garmin", "*", "*" }, 548 CAM_QUIRK_NORPTLUNS, /*mintags*/2, /*maxtags*/255 549 }, 550 { 551 /* Default tagged queuing parameters for all devices */ 552 { 553 T_ANY, SIP_MEDIA_REMOVABLE|SIP_MEDIA_FIXED, 554 /*vendor*/"*", /*product*/"*", /*revision*/"*" 555 }, 556 /*quirks*/0, /*mintags*/2, /*maxtags*/255 557 }, 558}; 559 560static const int scsi_quirk_table_size = 561 sizeof(scsi_quirk_table) / sizeof(*scsi_quirk_table); 562 563static cam_status proberegister(struct cam_periph *periph, 564 void *arg); 565static void probeschedule(struct cam_periph *probe_periph); 566static void probestart(struct cam_periph *periph, union ccb *start_ccb); 567static void proberequestdefaultnegotiation(struct cam_periph *periph); 568static int proberequestbackoff(struct cam_periph *periph, 569 struct cam_ed *device); 570static void probedone(struct cam_periph *periph, union ccb *done_ccb); 571static void probe_purge_old(struct cam_path *path, 572 struct scsi_report_luns_data *new, 573 probe_flags flags); 574static void probecleanup(struct cam_periph *periph); 575static void scsi_find_quirk(struct cam_ed *device); 576static void scsi_scan_bus(struct cam_periph *periph, union ccb *ccb); 577static void scsi_scan_lun(struct cam_periph *periph, 578 struct cam_path *path, cam_flags flags, 579 union ccb *ccb); 580static void xptscandone(struct cam_periph *periph, union ccb *done_ccb); 581static struct cam_ed * 582 scsi_alloc_device(struct cam_eb *bus, struct cam_et *target, 583 lun_id_t lun_id); 584static void scsi_devise_transport(struct cam_path *path); 585static void scsi_set_transfer_settings(struct ccb_trans_settings *cts, 586 struct cam_path *path, 587 int async_update); 588static void scsi_toggle_tags(struct cam_path *path); 589static void scsi_dev_async(u_int32_t async_code, 590 struct cam_eb *bus, 591 struct cam_et *target, 592 struct cam_ed *device, 593 void *async_arg); 594static void scsi_action(union ccb *start_ccb); 595static void scsi_announce_periph(struct cam_periph *periph); 596 597static struct xpt_xport scsi_xport = { 598 .alloc_device = scsi_alloc_device, 599 .action = scsi_action, 600 .async = scsi_dev_async, 601 .announce = scsi_announce_periph, 602}; 603 604struct xpt_xport * 605scsi_get_xport(void) 606{ 607 return (&scsi_xport); 608} 609 610static void 611probe_periph_init() 612{ 613} 614 615static cam_status 616proberegister(struct cam_periph *periph, void *arg) 617{ 618 union ccb *request_ccb; /* CCB representing the probe request */ 619 cam_status status; 620 probe_softc *softc; 621 622 request_ccb = (union ccb *)arg; 623 if (request_ccb == NULL) { 624 printf("proberegister: no probe CCB, " 625 "can't register device\n"); 626 return(CAM_REQ_CMP_ERR); 627 } 628 629 softc = (probe_softc *)malloc(sizeof(*softc), M_CAMXPT, M_NOWAIT); 630 631 if (softc == NULL) { 632 printf("proberegister: Unable to probe new device. " 633 "Unable to allocate softc\n"); 634 return(CAM_REQ_CMP_ERR); 635 } 636 TAILQ_INIT(&softc->request_ccbs); 637 TAILQ_INSERT_TAIL(&softc->request_ccbs, &request_ccb->ccb_h, 638 periph_links.tqe); 639 softc->flags = 0; 640 periph->softc = softc; 641 softc->periph = periph; 642 softc->action = PROBE_INVALID; 643 status = cam_periph_acquire(periph); 644 if (status != CAM_REQ_CMP) { 645 return (status); 646 } 647 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, ("Probe started\n")); 648 scsi_devise_transport(periph->path); 649 650 /* 651 * Ensure we've waited at least a bus settle 652 * delay before attempting to probe the device. 653 * For HBAs that don't do bus resets, this won't make a difference. 654 */ 655 cam_periph_freeze_after_event(periph, &periph->path->bus->last_reset, 656 scsi_delay); 657 probeschedule(periph); 658 return(CAM_REQ_CMP); 659} 660 661static void 662probeschedule(struct cam_periph *periph) 663{ 664 struct ccb_pathinq cpi; 665 union ccb *ccb; 666 probe_softc *softc; 667 668 softc = (probe_softc *)periph->softc; 669 ccb = (union ccb *)TAILQ_FIRST(&softc->request_ccbs); 670 671 xpt_setup_ccb(&cpi.ccb_h, periph->path, CAM_PRIORITY_NONE); 672 cpi.ccb_h.func_code = XPT_PATH_INQ; 673 xpt_action((union ccb *)&cpi); 674 675 /* 676 * If a device has gone away and another device, or the same one, 677 * is back in the same place, it should have a unit attention 678 * condition pending. It will not report the unit attention in 679 * response to an inquiry, which may leave invalid transfer 680 * negotiations in effect. The TUR will reveal the unit attention 681 * condition. Only send the TUR for lun 0, since some devices 682 * will get confused by commands other than inquiry to non-existent 683 * luns. If you think a device has gone away start your scan from 684 * lun 0. This will insure that any bogus transfer settings are 685 * invalidated. 686 * 687 * If we haven't seen the device before and the controller supports 688 * some kind of transfer negotiation, negotiate with the first 689 * sent command if no bus reset was performed at startup. This 690 * ensures that the device is not confused by transfer negotiation 691 * settings left over by loader or BIOS action. 692 */ 693 if (((ccb->ccb_h.path->device->flags & CAM_DEV_UNCONFIGURED) == 0) 694 && (ccb->ccb_h.target_lun == 0)) { 695 PROBE_SET_ACTION(softc, PROBE_TUR); 696 } else if ((cpi.hba_inquiry & (PI_WIDE_32|PI_WIDE_16|PI_SDTR_ABLE)) != 0 697 && (cpi.hba_misc & PIM_NOBUSRESET) != 0) { 698 proberequestdefaultnegotiation(periph); 699 PROBE_SET_ACTION(softc, PROBE_INQUIRY); 700 } else { 701 PROBE_SET_ACTION(softc, PROBE_INQUIRY); 702 } 703 704 if (ccb->crcn.flags & CAM_EXPECT_INQ_CHANGE) 705 softc->flags |= PROBE_NO_ANNOUNCE; 706 else 707 softc->flags &= ~PROBE_NO_ANNOUNCE; 708 709 if (cpi.hba_misc & PIM_EXTLUNS) 710 softc->flags |= PROBE_EXTLUN; 711 else 712 softc->flags &= ~PROBE_EXTLUN; 713 714 xpt_schedule(periph, CAM_PRIORITY_XPT); 715} 716 717static void 718probestart(struct cam_periph *periph, union ccb *start_ccb) 719{ 720 /* Probe the device that our peripheral driver points to */ 721 struct ccb_scsiio *csio; 722 probe_softc *softc; 723 724 CAM_DEBUG(start_ccb->ccb_h.path, CAM_DEBUG_TRACE, ("probestart\n")); 725 726 softc = (probe_softc *)periph->softc; 727 csio = &start_ccb->csio; 728again: 729 730 switch (softc->action) { 731 case PROBE_TUR: 732 case PROBE_TUR_FOR_NEGOTIATION: 733 case PROBE_DV_EXIT: 734 { 735 scsi_test_unit_ready(csio, 736 /*retries*/4, 737 probedone, 738 MSG_SIMPLE_Q_TAG, 739 SSD_FULL_SIZE, 740 /*timeout*/60000); 741 break; 742 } 743 case PROBE_INQUIRY: 744 case PROBE_FULL_INQUIRY: 745 case PROBE_INQUIRY_BASIC_DV1: 746 case PROBE_INQUIRY_BASIC_DV2: 747 { 748 u_int inquiry_len; 749 struct scsi_inquiry_data *inq_buf; 750 751 inq_buf = &periph->path->device->inq_data; 752 753 /* 754 * If the device is currently configured, we calculate an 755 * MD5 checksum of the inquiry data, and if the serial number 756 * length is greater than 0, add the serial number data 757 * into the checksum as well. Once the inquiry and the 758 * serial number check finish, we attempt to figure out 759 * whether we still have the same device. 760 */ 761 if (((periph->path->device->flags & CAM_DEV_UNCONFIGURED) == 0) 762 && ((softc->flags & PROBE_INQUIRY_CKSUM) == 0)) { 763 764 MD5Init(&softc->context); 765 MD5Update(&softc->context, (unsigned char *)inq_buf, 766 sizeof(struct scsi_inquiry_data)); 767 softc->flags |= PROBE_INQUIRY_CKSUM; 768 if (periph->path->device->serial_num_len > 0) { 769 MD5Update(&softc->context, 770 periph->path->device->serial_num, 771 periph->path->device->serial_num_len); 772 softc->flags |= PROBE_SERIAL_CKSUM; 773 } 774 MD5Final(softc->digest, &softc->context); 775 } 776 777 if (softc->action == PROBE_INQUIRY) 778 inquiry_len = SHORT_INQUIRY_LENGTH; 779 else 780 inquiry_len = SID_ADDITIONAL_LENGTH(inq_buf); 781 782 /* 783 * Some parallel SCSI devices fail to send an 784 * ignore wide residue message when dealing with 785 * odd length inquiry requests. Round up to be 786 * safe. 787 */ 788 inquiry_len = roundup2(inquiry_len, 2); 789 790 if (softc->action == PROBE_INQUIRY_BASIC_DV1 791 || softc->action == PROBE_INQUIRY_BASIC_DV2) { 792 inq_buf = malloc(inquiry_len, M_CAMXPT, M_NOWAIT); 793 } 794 if (inq_buf == NULL) { 795 xpt_print(periph->path, "malloc failure- skipping Basic" 796 "Domain Validation\n"); 797 PROBE_SET_ACTION(softc, PROBE_DV_EXIT); 798 scsi_test_unit_ready(csio, 799 /*retries*/4, 800 probedone, 801 MSG_SIMPLE_Q_TAG, 802 SSD_FULL_SIZE, 803 /*timeout*/60000); 804 break; 805 } 806 scsi_inquiry(csio, 807 /*retries*/4, 808 probedone, 809 MSG_SIMPLE_Q_TAG, 810 (u_int8_t *)inq_buf, 811 inquiry_len, 812 /*evpd*/FALSE, 813 /*page_code*/0, 814 SSD_MIN_SIZE, 815 /*timeout*/60 * 1000); 816 break; 817 } 818 case PROBE_REPORT_LUNS: 819 { 820 void *rp; 821 822 rp = malloc(periph->path->target->rpl_size, 823 M_CAMXPT, M_NOWAIT | M_ZERO); 824 if (rp == NULL) { 825 struct scsi_inquiry_data *inq_buf; 826 inq_buf = &periph->path->device->inq_data; 827 xpt_print(periph->path, 828 "Unable to alloc report luns storage\n"); 829 if (INQ_DATA_TQ_ENABLED(inq_buf)) 830 PROBE_SET_ACTION(softc, PROBE_MODE_SENSE); 831 else 832 PROBE_SET_ACTION(softc, 833 PROBE_SUPPORTED_VPD_LIST); 834 goto again; 835 } 836 scsi_report_luns(csio, 5, probedone, MSG_SIMPLE_Q_TAG, 837 RPL_REPORT_DEFAULT, rp, periph->path->target->rpl_size, 838 SSD_FULL_SIZE, 60000); break; 839 break; 840 } 841 case PROBE_MODE_SENSE: 842 { 843 void *mode_buf; 844 int mode_buf_len; 845 846 mode_buf_len = sizeof(struct scsi_mode_header_6) 847 + sizeof(struct scsi_mode_blk_desc) 848 + sizeof(struct scsi_control_page); 849 mode_buf = malloc(mode_buf_len, M_CAMXPT, M_NOWAIT); 850 if (mode_buf != NULL) { 851 scsi_mode_sense(csio, 852 /*retries*/4, 853 probedone, 854 MSG_SIMPLE_Q_TAG, 855 /*dbd*/FALSE, 856 SMS_PAGE_CTRL_CURRENT, 857 SMS_CONTROL_MODE_PAGE, 858 mode_buf, 859 mode_buf_len, 860 SSD_FULL_SIZE, 861 /*timeout*/60000); 862 break; 863 } 864 xpt_print(periph->path, "Unable to mode sense control page - " 865 "malloc failure\n"); 866 PROBE_SET_ACTION(softc, PROBE_SUPPORTED_VPD_LIST); 867 } 868 /* FALLTHROUGH */ 869 case PROBE_SUPPORTED_VPD_LIST: 870 { 871 struct scsi_vpd_supported_page_list *vpd_list; 872 struct cam_ed *device; 873 874 vpd_list = NULL; 875 device = periph->path->device; 876 877 if ((SCSI_QUIRK(device)->quirks & CAM_QUIRK_NOVPDS) == 0) 878 vpd_list = malloc(sizeof(*vpd_list), M_CAMXPT, 879 M_NOWAIT | M_ZERO); 880 881 if (vpd_list != NULL) { 882 scsi_inquiry(csio, 883 /*retries*/4, 884 probedone, 885 MSG_SIMPLE_Q_TAG, 886 (u_int8_t *)vpd_list, 887 sizeof(*vpd_list), 888 /*evpd*/TRUE, 889 SVPD_SUPPORTED_PAGE_LIST, 890 SSD_MIN_SIZE, 891 /*timeout*/60 * 1000); 892 break; 893 } 894done: 895 /* 896 * We'll have to do without, let our probedone 897 * routine finish up for us. 898 */ 899 start_ccb->csio.data_ptr = NULL; 900 cam_freeze_devq(periph->path); 901 cam_periph_doacquire(periph); 902 probedone(periph, start_ccb); 903 return; 904 } 905 case PROBE_DEVICE_ID: 906 { 907 struct scsi_vpd_device_id *devid; 908 909 devid = NULL; 910 if (scsi_vpd_supported_page(periph, SVPD_DEVICE_ID)) 911 devid = malloc(SVPD_DEVICE_ID_MAX_SIZE, M_CAMXPT, 912 M_NOWAIT | M_ZERO); 913 914 if (devid != NULL) { 915 scsi_inquiry(csio, 916 /*retries*/4, 917 probedone, 918 MSG_SIMPLE_Q_TAG, 919 (uint8_t *)devid, 920 SVPD_DEVICE_ID_MAX_SIZE, 921 /*evpd*/TRUE, 922 SVPD_DEVICE_ID, 923 SSD_MIN_SIZE, 924 /*timeout*/60 * 1000); 925 break; 926 } 927 goto done; 928 } 929 case PROBE_SERIAL_NUM: 930 { 931 struct scsi_vpd_unit_serial_number *serial_buf; 932 struct cam_ed* device; 933 934 serial_buf = NULL; 935 device = periph->path->device; 936 if (device->serial_num != NULL) { 937 free(device->serial_num, M_CAMXPT); 938 device->serial_num = NULL; 939 device->serial_num_len = 0; 940 } 941 942 if (scsi_vpd_supported_page(periph, SVPD_UNIT_SERIAL_NUMBER)) 943 serial_buf = (struct scsi_vpd_unit_serial_number *) 944 malloc(sizeof(*serial_buf), M_CAMXPT, 945 M_NOWAIT|M_ZERO); 946 947 if (serial_buf != NULL) { 948 scsi_inquiry(csio, 949 /*retries*/4, 950 probedone, 951 MSG_SIMPLE_Q_TAG, 952 (u_int8_t *)serial_buf, 953 sizeof(*serial_buf), 954 /*evpd*/TRUE, 955 SVPD_UNIT_SERIAL_NUMBER, 956 SSD_MIN_SIZE, 957 /*timeout*/60 * 1000); 958 break; 959 } 960 goto done; 961 } 962 default: 963 panic("probestart: invalid action state 0x%x\n", softc->action); 964 } 965 start_ccb->ccb_h.flags |= CAM_DEV_QFREEZE; 966 cam_periph_doacquire(periph); 967 xpt_action(start_ccb); 968} 969 970static void 971proberequestdefaultnegotiation(struct cam_periph *periph) 972{ 973 struct ccb_trans_settings cts; 974 975 xpt_setup_ccb(&cts.ccb_h, periph->path, CAM_PRIORITY_NONE); 976 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 977 cts.type = CTS_TYPE_USER_SETTINGS; 978 xpt_action((union ccb *)&cts); 979 if (cam_ccb_status((union ccb *)&cts) != CAM_REQ_CMP) { 980 return; 981 } 982 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 983 cts.type = CTS_TYPE_CURRENT_SETTINGS; 984 xpt_action((union ccb *)&cts); 985} 986 987/* 988 * Backoff Negotiation Code- only pertinent for SPI devices. 989 */ 990static int 991proberequestbackoff(struct cam_periph *periph, struct cam_ed *device) 992{ 993 struct ccb_trans_settings cts; 994 struct ccb_trans_settings_spi *spi; 995 996 memset(&cts, 0, sizeof (cts)); 997 xpt_setup_ccb(&cts.ccb_h, periph->path, CAM_PRIORITY_NONE); 998 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 999 cts.type = CTS_TYPE_CURRENT_SETTINGS; 1000 xpt_action((union ccb *)&cts); 1001 if (cam_ccb_status((union ccb *)&cts) != CAM_REQ_CMP) { 1002 if (bootverbose) { 1003 xpt_print(periph->path, 1004 "failed to get current device settings\n"); 1005 } 1006 return (0); 1007 } 1008 if (cts.transport != XPORT_SPI) { 1009 if (bootverbose) { 1010 xpt_print(periph->path, "not SPI transport\n"); 1011 } 1012 return (0); 1013 } 1014 spi = &cts.xport_specific.spi; 1015 1016 /* 1017 * We cannot renegotiate sync rate if we don't have one. 1018 */ 1019 if ((spi->valid & CTS_SPI_VALID_SYNC_RATE) == 0) { 1020 if (bootverbose) { 1021 xpt_print(periph->path, "no sync rate known\n"); 1022 } 1023 return (0); 1024 } 1025 1026 /* 1027 * We'll assert that we don't have to touch PPR options- the 1028 * SIM will see what we do with period and offset and adjust 1029 * the PPR options as appropriate. 1030 */ 1031 1032 /* 1033 * A sync rate with unknown or zero offset is nonsensical. 1034 * A sync period of zero means Async. 1035 */ 1036 if ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) == 0 1037 || spi->sync_offset == 0 || spi->sync_period == 0) { 1038 if (bootverbose) { 1039 xpt_print(periph->path, "no sync rate available\n"); 1040 } 1041 return (0); 1042 } 1043 1044 if (device->flags & CAM_DEV_DV_HIT_BOTTOM) { 1045 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, 1046 ("hit async: giving up on DV\n")); 1047 return (0); 1048 } 1049 1050 1051 /* 1052 * Jump sync_period up by one, but stop at 5MHz and fall back to Async. 1053 * We don't try to remember 'last' settings to see if the SIM actually 1054 * gets into the speed we want to set. We check on the SIM telling 1055 * us that a requested speed is bad, but otherwise don't try and 1056 * check the speed due to the asynchronous and handshake nature 1057 * of speed setting. 1058 */ 1059 spi->valid = CTS_SPI_VALID_SYNC_RATE | CTS_SPI_VALID_SYNC_OFFSET; 1060 for (;;) { 1061 spi->sync_period++; 1062 if (spi->sync_period >= 0xf) { 1063 spi->sync_period = 0; 1064 spi->sync_offset = 0; 1065 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, 1066 ("setting to async for DV\n")); 1067 /* 1068 * Once we hit async, we don't want to try 1069 * any more settings. 1070 */ 1071 device->flags |= CAM_DEV_DV_HIT_BOTTOM; 1072 } else if (bootverbose) { 1073 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, 1074 ("DV: period 0x%x\n", spi->sync_period)); 1075 printf("setting period to 0x%x\n", spi->sync_period); 1076 } 1077 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 1078 cts.type = CTS_TYPE_CURRENT_SETTINGS; 1079 xpt_action((union ccb *)&cts); 1080 if (cam_ccb_status((union ccb *)&cts) != CAM_REQ_CMP) { 1081 break; 1082 } 1083 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, 1084 ("DV: failed to set period 0x%x\n", spi->sync_period)); 1085 if (spi->sync_period == 0) { 1086 return (0); 1087 } 1088 } 1089 return (1); 1090} 1091 1092#define CCB_COMPLETED_OK(ccb) (((ccb).status & CAM_STATUS_MASK) == CAM_REQ_CMP) 1093 1094static void 1095probedone(struct cam_periph *periph, union ccb *done_ccb) 1096{ 1097 probe_softc *softc; 1098 struct cam_path *path; 1099 u_int32_t priority; 1100 1101 CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_TRACE, ("probedone\n")); 1102 1103 softc = (probe_softc *)periph->softc; 1104 path = done_ccb->ccb_h.path; 1105 priority = done_ccb->ccb_h.pinfo.priority; 1106 1107 switch (softc->action) { 1108 case PROBE_TUR: 1109 { 1110 if (cam_ccb_status(done_ccb) != CAM_REQ_CMP) { 1111 1112 if (cam_periph_error(done_ccb, 0, 1113 SF_NO_PRINT, NULL) == ERESTART) { 1114outr: 1115 /* Drop freeze taken due to CAM_DEV_QFREEZE */ 1116 cam_release_devq(path, 0, 0, 0, FALSE); 1117 return; 1118 } 1119 else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 1120 /* Don't wedge the queue */ 1121 xpt_release_devq(done_ccb->ccb_h.path, 1122 /*count*/1, 1123 /*run_queue*/TRUE); 1124 } 1125 PROBE_SET_ACTION(softc, PROBE_INQUIRY); 1126 xpt_release_ccb(done_ccb); 1127 xpt_schedule(periph, priority); 1128out: 1129 /* Drop freeze taken due to CAM_DEV_QFREEZE and release. */ 1130 cam_release_devq(path, 0, 0, 0, FALSE); 1131 cam_periph_release_locked(periph); 1132 return; 1133 } 1134 case PROBE_INQUIRY: 1135 case PROBE_FULL_INQUIRY: 1136 { 1137 if (cam_ccb_status(done_ccb) == CAM_REQ_CMP) { 1138 struct scsi_inquiry_data *inq_buf; 1139 u_int8_t periph_qual; 1140 1141 path->device->flags |= CAM_DEV_INQUIRY_DATA_VALID; 1142 scsi_find_quirk(path->device); 1143 inq_buf = &path->device->inq_data; 1144 1145 periph_qual = SID_QUAL(inq_buf); 1146 1147 if (periph_qual == SID_QUAL_LU_CONNECTED) { 1148 u_int8_t len; 1149 1150 /* 1151 * We conservatively request only 1152 * SHORT_INQUIRY_LEN bytes of inquiry 1153 * information during our first try 1154 * at sending an INQUIRY. If the device 1155 * has more information to give, 1156 * perform a second request specifying 1157 * the amount of information the device 1158 * is willing to give. 1159 */ 1160 len = inq_buf->additional_length 1161 + offsetof(struct scsi_inquiry_data, 1162 additional_length) + 1; 1163 if (softc->action == PROBE_INQUIRY 1164 && len > SHORT_INQUIRY_LENGTH) { 1165 PROBE_SET_ACTION(softc, PROBE_FULL_INQUIRY); 1166 xpt_release_ccb(done_ccb); 1167 xpt_schedule(periph, priority); 1168 goto out; 1169 } 1170 1171 scsi_devise_transport(path); 1172 1173 if (path->device->lun_id == 0 && 1174 SID_ANSI_REV(inq_buf) > SCSI_REV_SPC2 && 1175 (SCSI_QUIRK(path->device)->quirks & 1176 CAM_QUIRK_NORPTLUNS) == 0) { 1177 PROBE_SET_ACTION(softc, 1178 PROBE_REPORT_LUNS); 1179 /* 1180 * Start with room for *one* lun. 1181 */ 1182 periph->path->target->rpl_size = 16; 1183 } else if (INQ_DATA_TQ_ENABLED(inq_buf)) 1184 PROBE_SET_ACTION(softc, 1185 PROBE_MODE_SENSE); 1186 else 1187 PROBE_SET_ACTION(softc, 1188 PROBE_SUPPORTED_VPD_LIST); 1189 1190 if (path->device->flags & CAM_DEV_UNCONFIGURED) { 1191 path->device->flags &= ~CAM_DEV_UNCONFIGURED; 1192 xpt_acquire_device(path->device); 1193 } 1194 xpt_release_ccb(done_ccb); 1195 xpt_schedule(periph, priority); 1196 goto out; 1197 } else if (path->device->lun_id == 0 && 1198 SID_ANSI_REV(inq_buf) >= SCSI_REV_SPC2 && 1199 (SCSI_QUIRK(path->device)->quirks & 1200 CAM_QUIRK_NORPTLUNS) == 0) { 1201 PROBE_SET_ACTION(softc, PROBE_REPORT_LUNS); 1202 periph->path->target->rpl_size = 16; 1203 xpt_release_ccb(done_ccb); 1204 xpt_schedule(periph, priority); 1205 goto out; 1206 } 1207 } else if (cam_periph_error(done_ccb, 0, 1208 done_ccb->ccb_h.target_lun > 0 1209 ? SF_RETRY_UA|SF_QUIET_IR 1210 : SF_RETRY_UA, 1211 &softc->saved_ccb) == ERESTART) { 1212 goto outr; 1213 } else { 1214 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1215 /* Don't wedge the queue */ 1216 xpt_release_devq(done_ccb->ccb_h.path, 1217 /*count*/1, /*run_queue*/TRUE); 1218 } 1219 path->device->flags &= ~CAM_DEV_INQUIRY_DATA_VALID; 1220 } 1221 /* 1222 * If we get to this point, we got an error status back 1223 * from the inquiry and the error status doesn't require 1224 * automatically retrying the command. Therefore, the 1225 * inquiry failed. If we had inquiry information before 1226 * for this device, but this latest inquiry command failed, 1227 * the device has probably gone away. If this device isn't 1228 * already marked unconfigured, notify the peripheral 1229 * drivers that this device is no more. 1230 */ 1231 if ((path->device->flags & CAM_DEV_UNCONFIGURED) == 0) 1232 /* Send the async notification. */ 1233 xpt_async(AC_LOST_DEVICE, path, NULL); 1234 PROBE_SET_ACTION(softc, PROBE_INVALID); 1235 1236 xpt_release_ccb(done_ccb); 1237 break; 1238 } 1239 case PROBE_REPORT_LUNS: 1240 { 1241 struct ccb_scsiio *csio; 1242 struct scsi_report_luns_data *lp; 1243 u_int nlun, maxlun; 1244 1245 csio = &done_ccb->csio; 1246 1247 lp = (struct scsi_report_luns_data *)csio->data_ptr; 1248 nlun = scsi_4btoul(lp->length) / 8; 1249 maxlun = (csio->dxfer_len / 8) - 1; 1250 1251 if (cam_ccb_status(done_ccb) != CAM_REQ_CMP) { 1252 if (cam_periph_error(done_ccb, 0, 1253 done_ccb->ccb_h.target_lun > 0 ? 1254 SF_RETRY_UA|SF_QUIET_IR : SF_RETRY_UA, 1255 &softc->saved_ccb) == ERESTART) { 1256 goto outr; 1257 } 1258 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1259 xpt_release_devq(done_ccb->ccb_h.path, 1, 1260 TRUE); 1261 } 1262 free(lp, M_CAMXPT); 1263 lp = NULL; 1264 } else if (nlun > maxlun) { 1265 /* 1266 * Reallocate and retry to cover all luns 1267 */ 1268 CAM_DEBUG(path, CAM_DEBUG_PROBE, 1269 ("Probe: reallocating REPORT_LUNS for %u luns\n", 1270 nlun)); 1271 free(lp, M_CAMXPT); 1272 path->target->rpl_size = (nlun << 3) + 8; 1273 xpt_release_ccb(done_ccb); 1274 xpt_schedule(periph, priority); 1275 goto out; 1276 } else if (nlun == 0) { 1277 /* 1278 * If there don't appear to be any luns, bail. 1279 */ 1280 free(lp, M_CAMXPT); 1281 lp = NULL; 1282 } else { 1283 lun_id_t lun; 1284 int idx; 1285 1286 CAM_DEBUG(path, CAM_DEBUG_PROBE, 1287 ("Probe: %u lun(s) reported\n", nlun)); 1288 1289 CAM_GET_LUN(lp, 0, lun); 1290 /* 1291 * If the first lun is not lun 0, then either there 1292 * is no lun 0 in the list, or the list is unsorted. 1293 */ 1294 if (lun != 0) { 1295 for (idx = 0; idx < nlun; idx++) { 1296 CAM_GET_LUN(lp, idx, lun); 1297 if (lun == 0) { 1298 break; 1299 } 1300 } 1301 if (idx != nlun) { 1302 uint8_t tlun[8]; 1303 memcpy(tlun, 1304 lp->luns[0].lundata, 8); 1305 memcpy(lp->luns[0].lundata, 1306 lp->luns[idx].lundata, 8); 1307 memcpy(lp->luns[idx].lundata, 1308 tlun, 8); 1309 CAM_DEBUG(path, CAM_DEBUG_PROBE, 1310 ("lun 0 in position %u\n", idx)); 1311 } 1312 } 1313 /* 1314 * If we have an old lun list, We can either 1315 * retest luns that appear to have been dropped, 1316 * or just nuke them. We'll opt for the latter. 1317 * This function will also install the new list 1318 * in the target structure. 1319 */ 1320 probe_purge_old(path, lp, softc->flags); 1321 lp = NULL; 1322 } 1323 if (path->device->flags & CAM_DEV_INQUIRY_DATA_VALID && 1324 SID_QUAL(&path->device->inq_data) == SID_QUAL_LU_CONNECTED) { 1325 struct scsi_inquiry_data *inq_buf; 1326 inq_buf = &path->device->inq_data; 1327 if (INQ_DATA_TQ_ENABLED(inq_buf)) 1328 PROBE_SET_ACTION(softc, PROBE_MODE_SENSE); 1329 else 1330 PROBE_SET_ACTION(softc, 1331 PROBE_SUPPORTED_VPD_LIST); 1332 xpt_release_ccb(done_ccb); 1333 xpt_schedule(periph, priority); 1334 goto out; 1335 } 1336 if (lp) { 1337 free(lp, M_CAMXPT); 1338 } 1339 PROBE_SET_ACTION(softc, PROBE_INVALID); 1340 xpt_release_ccb(done_ccb); 1341 break; 1342 } 1343 case PROBE_MODE_SENSE: 1344 { 1345 struct ccb_scsiio *csio; 1346 struct scsi_mode_header_6 *mode_hdr; 1347 1348 csio = &done_ccb->csio; 1349 mode_hdr = (struct scsi_mode_header_6 *)csio->data_ptr; 1350 if (cam_ccb_status(done_ccb) == CAM_REQ_CMP) { 1351 struct scsi_control_page *page; 1352 u_int8_t *offset; 1353 1354 offset = ((u_int8_t *)&mode_hdr[1]) 1355 + mode_hdr->blk_desc_len; 1356 page = (struct scsi_control_page *)offset; 1357 path->device->queue_flags = page->queue_flags; 1358 } else if (cam_periph_error(done_ccb, 0, 1359 SF_RETRY_UA|SF_NO_PRINT, 1360 &softc->saved_ccb) == ERESTART) { 1361 goto outr; 1362 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1363 /* Don't wedge the queue */ 1364 xpt_release_devq(done_ccb->ccb_h.path, 1365 /*count*/1, /*run_queue*/TRUE); 1366 } 1367 xpt_release_ccb(done_ccb); 1368 free(mode_hdr, M_CAMXPT); 1369 PROBE_SET_ACTION(softc, PROBE_SUPPORTED_VPD_LIST); 1370 xpt_schedule(periph, priority); 1371 goto out; 1372 } 1373 case PROBE_SUPPORTED_VPD_LIST: 1374 { 1375 struct ccb_scsiio *csio; 1376 struct scsi_vpd_supported_page_list *page_list; 1377 1378 csio = &done_ccb->csio; 1379 page_list = 1380 (struct scsi_vpd_supported_page_list *)csio->data_ptr; 1381 1382 if (path->device->supported_vpds != NULL) { 1383 free(path->device->supported_vpds, M_CAMXPT); 1384 path->device->supported_vpds = NULL; 1385 path->device->supported_vpds_len = 0; 1386 } 1387 1388 if (page_list == NULL) { 1389 /* 1390 * Don't process the command as it was never sent 1391 */ 1392 } else if (CCB_COMPLETED_OK(csio->ccb_h)) { 1393 /* Got vpd list */ 1394 path->device->supported_vpds_len = page_list->length + 1395 SVPD_SUPPORTED_PAGES_HDR_LEN; 1396 path->device->supported_vpds = (uint8_t *)page_list; 1397 xpt_release_ccb(done_ccb); 1398 PROBE_SET_ACTION(softc, PROBE_DEVICE_ID); 1399 xpt_schedule(periph, priority); 1400 goto out; 1401 } else if (cam_periph_error(done_ccb, 0, 1402 SF_RETRY_UA|SF_NO_PRINT, 1403 &softc->saved_ccb) == ERESTART) { 1404 goto outr; 1405 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1406 /* Don't wedge the queue */ 1407 xpt_release_devq(done_ccb->ccb_h.path, /*count*/1, 1408 /*run_queue*/TRUE); 1409 } 1410 1411 if (page_list) 1412 free(page_list, M_CAMXPT); 1413 /* No VPDs available, skip to device check. */ 1414 csio->data_ptr = NULL; 1415 goto probe_device_check; 1416 } 1417 case PROBE_DEVICE_ID: 1418 { 1419 struct scsi_vpd_device_id *devid; 1420 struct ccb_scsiio *csio; 1421 uint32_t length = 0; 1422 1423 csio = &done_ccb->csio; 1424 devid = (struct scsi_vpd_device_id *)csio->data_ptr; 1425 1426 /* Clean up from previous instance of this device */ 1427 if (path->device->device_id != NULL) { 1428 path->device->device_id_len = 0; 1429 free(path->device->device_id, M_CAMXPT); 1430 path->device->device_id = NULL; 1431 } 1432 1433 if (devid == NULL) { 1434 /* Don't process the command as it was never sent */ 1435 } else if (CCB_COMPLETED_OK(csio->ccb_h)) { 1436 length = scsi_2btoul(devid->length); 1437 if (length != 0) { 1438 /* 1439 * NB: device_id_len is actual response 1440 * size, not buffer size. 1441 */ 1442 path->device->device_id_len = length + 1443 SVPD_DEVICE_ID_HDR_LEN; 1444 path->device->device_id = (uint8_t *)devid; 1445 } 1446 } else if (cam_periph_error(done_ccb, 0, 1447 SF_RETRY_UA, 1448 &softc->saved_ccb) == ERESTART) { 1449 goto outr; 1450 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1451 /* Don't wedge the queue */ 1452 xpt_release_devq(done_ccb->ccb_h.path, /*count*/1, 1453 /*run_queue*/TRUE); 1454 } 1455 1456 /* Free the device id space if we don't use it */ 1457 if (devid && length == 0) 1458 free(devid, M_CAMXPT); 1459 xpt_release_ccb(done_ccb); 1460 PROBE_SET_ACTION(softc, PROBE_SERIAL_NUM); 1461 xpt_schedule(periph, priority); 1462 goto out; 1463 } 1464 1465probe_device_check: 1466 case PROBE_SERIAL_NUM: 1467 { 1468 struct ccb_scsiio *csio; 1469 struct scsi_vpd_unit_serial_number *serial_buf; 1470 u_int32_t priority; 1471 int changed; 1472 int have_serialnum; 1473 1474 changed = 1; 1475 have_serialnum = 0; 1476 csio = &done_ccb->csio; 1477 priority = done_ccb->ccb_h.pinfo.priority; 1478 serial_buf = 1479 (struct scsi_vpd_unit_serial_number *)csio->data_ptr; 1480 1481 if (serial_buf == NULL) { 1482 /* 1483 * Don't process the command as it was never sent 1484 */ 1485 } else if (cam_ccb_status(done_ccb) == CAM_REQ_CMP 1486 && (serial_buf->length > 0)) { 1487 1488 have_serialnum = 1; 1489 path->device->serial_num = 1490 (u_int8_t *)malloc((serial_buf->length + 1), 1491 M_CAMXPT, M_NOWAIT); 1492 if (path->device->serial_num != NULL) { 1493 memcpy(path->device->serial_num, 1494 serial_buf->serial_num, 1495 serial_buf->length); 1496 path->device->serial_num_len = 1497 serial_buf->length; 1498 path->device->serial_num[serial_buf->length] 1499 = '\0'; 1500 } 1501 } else if (cam_periph_error(done_ccb, 0, 1502 SF_RETRY_UA|SF_NO_PRINT, 1503 &softc->saved_ccb) == ERESTART) { 1504 goto outr; 1505 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1506 /* Don't wedge the queue */ 1507 xpt_release_devq(done_ccb->ccb_h.path, /*count*/1, 1508 /*run_queue*/TRUE); 1509 } 1510 1511 /* 1512 * Let's see if we have seen this device before. 1513 */ 1514 if ((softc->flags & PROBE_INQUIRY_CKSUM) != 0) { 1515 MD5_CTX context; 1516 u_int8_t digest[16]; 1517 1518 MD5Init(&context); 1519 1520 MD5Update(&context, 1521 (unsigned char *)&path->device->inq_data, 1522 sizeof(struct scsi_inquiry_data)); 1523 1524 if (have_serialnum) 1525 MD5Update(&context, serial_buf->serial_num, 1526 serial_buf->length); 1527 1528 MD5Final(digest, &context); 1529 if (bcmp(softc->digest, digest, 16) == 0) 1530 changed = 0; 1531 1532 /* 1533 * XXX Do we need to do a TUR in order to ensure 1534 * that the device really hasn't changed??? 1535 */ 1536 if ((changed != 0) 1537 && ((softc->flags & PROBE_NO_ANNOUNCE) == 0)) 1538 xpt_async(AC_LOST_DEVICE, path, NULL); 1539 } 1540 if (serial_buf != NULL) 1541 free(serial_buf, M_CAMXPT); 1542 1543 if (changed != 0) { 1544 /* 1545 * Now that we have all the necessary 1546 * information to safely perform transfer 1547 * negotiations... Controllers don't perform 1548 * any negotiation or tagged queuing until 1549 * after the first XPT_SET_TRAN_SETTINGS ccb is 1550 * received. So, on a new device, just retrieve 1551 * the user settings, and set them as the current 1552 * settings to set the device up. 1553 */ 1554 proberequestdefaultnegotiation(periph); 1555 xpt_release_ccb(done_ccb); 1556 1557 /* 1558 * Perform a TUR to allow the controller to 1559 * perform any necessary transfer negotiation. 1560 */ 1561 PROBE_SET_ACTION(softc, PROBE_TUR_FOR_NEGOTIATION); 1562 xpt_schedule(periph, priority); 1563 goto out; 1564 } 1565 xpt_release_ccb(done_ccb); 1566 break; 1567 } 1568 case PROBE_TUR_FOR_NEGOTIATION: 1569 case PROBE_DV_EXIT: 1570 if (cam_ccb_status(done_ccb) != CAM_REQ_CMP) { 1571 cam_periph_error(done_ccb, 0, 1572 SF_NO_PRINT | SF_NO_RECOVERY | SF_NO_RETRY, NULL); 1573 } 1574 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1575 /* Don't wedge the queue */ 1576 xpt_release_devq(done_ccb->ccb_h.path, /*count*/1, 1577 /*run_queue*/TRUE); 1578 } 1579 /* 1580 * Do Domain Validation for lun 0 on devices that claim 1581 * to support Synchronous Transfer modes. 1582 */ 1583 if (softc->action == PROBE_TUR_FOR_NEGOTIATION 1584 && done_ccb->ccb_h.target_lun == 0 1585 && (path->device->inq_data.flags & SID_Sync) != 0 1586 && (path->device->flags & CAM_DEV_IN_DV) == 0) { 1587 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, 1588 ("Begin Domain Validation\n")); 1589 path->device->flags |= CAM_DEV_IN_DV; 1590 xpt_release_ccb(done_ccb); 1591 PROBE_SET_ACTION(softc, PROBE_INQUIRY_BASIC_DV1); 1592 xpt_schedule(periph, priority); 1593 goto out; 1594 } 1595 if (softc->action == PROBE_DV_EXIT) { 1596 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, 1597 ("Leave Domain Validation\n")); 1598 } 1599 if (path->device->flags & CAM_DEV_UNCONFIGURED) { 1600 path->device->flags &= ~CAM_DEV_UNCONFIGURED; 1601 xpt_acquire_device(path->device); 1602 } 1603 path->device->flags &= 1604 ~(CAM_DEV_IN_DV|CAM_DEV_DV_HIT_BOTTOM); 1605 if ((softc->flags & PROBE_NO_ANNOUNCE) == 0) { 1606 /* Inform the XPT that a new device has been found */ 1607 done_ccb->ccb_h.func_code = XPT_GDEV_TYPE; 1608 xpt_action(done_ccb); 1609 xpt_async(AC_FOUND_DEVICE, done_ccb->ccb_h.path, 1610 done_ccb); 1611 } 1612 PROBE_SET_ACTION(softc, PROBE_DONE); 1613 xpt_release_ccb(done_ccb); 1614 break; 1615 case PROBE_INQUIRY_BASIC_DV1: 1616 case PROBE_INQUIRY_BASIC_DV2: 1617 { 1618 struct scsi_inquiry_data *nbuf; 1619 struct ccb_scsiio *csio; 1620 1621 if (cam_ccb_status(done_ccb) != CAM_REQ_CMP) { 1622 cam_periph_error(done_ccb, 0, 1623 SF_NO_PRINT | SF_NO_RECOVERY | SF_NO_RETRY, NULL); 1624 } 1625 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1626 /* Don't wedge the queue */ 1627 xpt_release_devq(done_ccb->ccb_h.path, /*count*/1, 1628 /*run_queue*/TRUE); 1629 } 1630 csio = &done_ccb->csio; 1631 nbuf = (struct scsi_inquiry_data *)csio->data_ptr; 1632 if (bcmp(nbuf, &path->device->inq_data, SHORT_INQUIRY_LENGTH)) { 1633 xpt_print(path, 1634 "inquiry data fails comparison at DV%d step\n", 1635 softc->action == PROBE_INQUIRY_BASIC_DV1 ? 1 : 2); 1636 if (proberequestbackoff(periph, path->device)) { 1637 path->device->flags &= ~CAM_DEV_IN_DV; 1638 PROBE_SET_ACTION(softc, PROBE_TUR_FOR_NEGOTIATION); 1639 } else { 1640 /* give up */ 1641 PROBE_SET_ACTION(softc, PROBE_DV_EXIT); 1642 } 1643 free(nbuf, M_CAMXPT); 1644 xpt_release_ccb(done_ccb); 1645 xpt_schedule(periph, priority); 1646 goto out; 1647 } 1648 free(nbuf, M_CAMXPT); 1649 if (softc->action == PROBE_INQUIRY_BASIC_DV1) { 1650 PROBE_SET_ACTION(softc, PROBE_INQUIRY_BASIC_DV2); 1651 xpt_release_ccb(done_ccb); 1652 xpt_schedule(periph, priority); 1653 goto out; 1654 } 1655 if (softc->action == PROBE_INQUIRY_BASIC_DV2) { 1656 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, 1657 ("Leave Domain Validation Successfully\n")); 1658 } 1659 if (path->device->flags & CAM_DEV_UNCONFIGURED) { 1660 path->device->flags &= ~CAM_DEV_UNCONFIGURED; 1661 xpt_acquire_device(path->device); 1662 } 1663 path->device->flags &= 1664 ~(CAM_DEV_IN_DV|CAM_DEV_DV_HIT_BOTTOM); 1665 if ((softc->flags & PROBE_NO_ANNOUNCE) == 0) { 1666 /* Inform the XPT that a new device has been found */ 1667 done_ccb->ccb_h.func_code = XPT_GDEV_TYPE; 1668 xpt_action(done_ccb); 1669 xpt_async(AC_FOUND_DEVICE, done_ccb->ccb_h.path, 1670 done_ccb); 1671 } 1672 PROBE_SET_ACTION(softc, PROBE_DONE); 1673 xpt_release_ccb(done_ccb); 1674 break; 1675 } 1676 default: 1677 panic("probedone: invalid action state 0x%x\n", softc->action); 1678 } 1679 done_ccb = (union ccb *)TAILQ_FIRST(&softc->request_ccbs); 1680 TAILQ_REMOVE(&softc->request_ccbs, &done_ccb->ccb_h, periph_links.tqe); 1681 done_ccb->ccb_h.status = CAM_REQ_CMP; 1682 xpt_done(done_ccb); 1683 if (TAILQ_FIRST(&softc->request_ccbs) == NULL) { 1684 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, ("Probe completed\n")); 1685 /* Drop freeze taken due to CAM_DEV_QFREEZE flag set. */ 1686 cam_release_devq(path, 0, 0, 0, FALSE); 1687 cam_periph_release_locked(periph); 1688 cam_periph_invalidate(periph); 1689 cam_periph_release_locked(periph); 1690 } else { 1691 probeschedule(periph); 1692 goto out; 1693 } 1694} 1695 1696static void 1697probe_purge_old(struct cam_path *path, struct scsi_report_luns_data *new, 1698 probe_flags flags) 1699{ 1700 struct cam_path *tp; 1701 struct scsi_report_luns_data *old; 1702 u_int idx1, idx2, nlun_old, nlun_new; 1703 lun_id_t this_lun; 1704 u_int8_t *ol, *nl; 1705 1706 if (path->target == NULL) { 1707 return; 1708 } 1709 mtx_lock(&path->target->luns_mtx); 1710 old = path->target->luns; 1711 path->target->luns = new; 1712 mtx_unlock(&path->target->luns_mtx); 1713 if (old == NULL) 1714 return; 1715 nlun_old = scsi_4btoul(old->length) / 8; 1716 nlun_new = scsi_4btoul(new->length) / 8; 1717 1718 /* 1719 * We are not going to assume sorted lists. Deal. 1720 */ 1721 for (idx1 = 0; idx1 < nlun_old; idx1++) { 1722 ol = old->luns[idx1].lundata; 1723 for (idx2 = 0; idx2 < nlun_new; idx2++) { 1724 nl = new->luns[idx2].lundata; 1725 if (memcmp(nl, ol, 8) == 0) { 1726 break; 1727 } 1728 } 1729 if (idx2 < nlun_new) { 1730 continue; 1731 } 1732 /* 1733 * An 'old' item not in the 'new' list. 1734 * Nuke it. Except that if it is lun 0, 1735 * that would be what the probe state 1736 * machine is currently working on, 1737 * so we won't do that. 1738 */ 1739 CAM_GET_LUN(old, idx1, this_lun); 1740 if (this_lun == 0) { 1741 continue; 1742 } 1743 1744 /* 1745 * We also cannot nuke it if it is 1746 * not in a lun format we understand 1747 * and replace the LUN with a "simple" LUN 1748 * if that is all the HBA supports. 1749 */ 1750 if (!(flags & PROBE_EXTLUN)) { 1751 if (!CAM_CAN_GET_SIMPLE_LUN(old, idx1)) 1752 continue; 1753 CAM_GET_SIMPLE_LUN(old, idx1, this_lun); 1754 } 1755 if (!CAM_LUN_ONLY_32BITS(old, idx1)) 1756 continue; 1757 1758 if (xpt_create_path(&tp, NULL, xpt_path_path_id(path), 1759 xpt_path_target_id(path), this_lun) == CAM_REQ_CMP) { 1760 xpt_async(AC_LOST_DEVICE, tp, NULL); 1761 xpt_free_path(tp); 1762 } 1763 } 1764 free(old, M_CAMXPT); 1765} 1766 1767static void 1768probecleanup(struct cam_periph *periph) 1769{ 1770 free(periph->softc, M_CAMXPT); 1771} 1772 1773static void 1774scsi_find_quirk(struct cam_ed *device) 1775{ 1776 struct scsi_quirk_entry *quirk; 1777 caddr_t match; 1778 1779 match = cam_quirkmatch((caddr_t)&device->inq_data, 1780 (caddr_t)scsi_quirk_table, 1781 sizeof(scsi_quirk_table) / 1782 sizeof(*scsi_quirk_table), 1783 sizeof(*scsi_quirk_table), scsi_inquiry_match); 1784 1785 if (match == NULL) 1786 panic("xpt_find_quirk: device didn't match wildcard entry!!"); 1787 1788 quirk = (struct scsi_quirk_entry *)match; 1789 device->quirk = quirk; 1790 device->mintags = quirk->mintags; 1791 device->maxtags = quirk->maxtags; 1792} 1793 1794static int 1795sysctl_cam_search_luns(SYSCTL_HANDLER_ARGS) 1796{ 1797 int error, val; 1798 1799 val = cam_srch_hi; 1800 error = sysctl_handle_int(oidp, &val, 0, req); 1801 if (error != 0 || req->newptr == NULL) 1802 return (error); 1803 if (val == 0 || val == 1) { 1804 cam_srch_hi = val; 1805 return (0); 1806 } else { 1807 return (EINVAL); 1808 } 1809} 1810 1811typedef struct { 1812 union ccb *request_ccb; 1813 struct ccb_pathinq *cpi; 1814 int counter; 1815 int lunindex[0]; 1816} scsi_scan_bus_info; 1817 1818/* 1819 * To start a scan, request_ccb is an XPT_SCAN_BUS ccb. 1820 * As the scan progresses, scsi_scan_bus is used as the 1821 * callback on completion function. 1822 */ 1823static void 1824scsi_scan_bus(struct cam_periph *periph, union ccb *request_ccb) 1825{ 1826 struct mtx *mtx; 1827 1828 CAM_DEBUG(request_ccb->ccb_h.path, CAM_DEBUG_TRACE, 1829 ("scsi_scan_bus\n")); 1830 switch (request_ccb->ccb_h.func_code) { 1831 case XPT_SCAN_BUS: 1832 case XPT_SCAN_TGT: 1833 { 1834 scsi_scan_bus_info *scan_info; 1835 union ccb *work_ccb, *reset_ccb; 1836 struct cam_path *path; 1837 u_int i; 1838 u_int low_target, max_target; 1839 u_int initiator_id; 1840 1841 /* Find out the characteristics of the bus */ 1842 work_ccb = xpt_alloc_ccb_nowait(); 1843 if (work_ccb == NULL) { 1844 request_ccb->ccb_h.status = CAM_RESRC_UNAVAIL; 1845 xpt_done(request_ccb); 1846 return; 1847 } 1848 xpt_setup_ccb(&work_ccb->ccb_h, request_ccb->ccb_h.path, 1849 request_ccb->ccb_h.pinfo.priority); 1850 work_ccb->ccb_h.func_code = XPT_PATH_INQ; 1851 xpt_action(work_ccb); 1852 if (work_ccb->ccb_h.status != CAM_REQ_CMP) { 1853 request_ccb->ccb_h.status = work_ccb->ccb_h.status; 1854 xpt_free_ccb(work_ccb); 1855 xpt_done(request_ccb); 1856 return; 1857 } 1858 1859 if ((work_ccb->cpi.hba_misc & PIM_NOINITIATOR) != 0) { 1860 /* 1861 * Can't scan the bus on an adapter that 1862 * cannot perform the initiator role. 1863 */ 1864 request_ccb->ccb_h.status = CAM_REQ_CMP; 1865 xpt_free_ccb(work_ccb); 1866 xpt_done(request_ccb); 1867 return; 1868 } 1869 1870 /* We may need to reset bus first, if we haven't done it yet. */ 1871 if ((work_ccb->cpi.hba_inquiry & 1872 (PI_WIDE_32|PI_WIDE_16|PI_SDTR_ABLE)) && 1873 !(work_ccb->cpi.hba_misc & PIM_NOBUSRESET) && 1874 !timevalisset(&request_ccb->ccb_h.path->bus->last_reset) && 1875 (reset_ccb = xpt_alloc_ccb_nowait()) != NULL) { 1876 xpt_setup_ccb(&reset_ccb->ccb_h, request_ccb->ccb_h.path, 1877 CAM_PRIORITY_NONE); 1878 reset_ccb->ccb_h.func_code = XPT_RESET_BUS; 1879 xpt_action(reset_ccb); 1880 if (reset_ccb->ccb_h.status != CAM_REQ_CMP) { 1881 request_ccb->ccb_h.status = reset_ccb->ccb_h.status; 1882 xpt_free_ccb(reset_ccb); 1883 xpt_free_ccb(work_ccb); 1884 xpt_done(request_ccb); 1885 return; 1886 } 1887 xpt_free_ccb(reset_ccb); 1888 } 1889 1890 /* Save some state for use while we probe for devices */ 1891 scan_info = (scsi_scan_bus_info *) malloc(sizeof(scsi_scan_bus_info) + 1892 (work_ccb->cpi.max_target * sizeof (u_int)), M_CAMXPT, M_ZERO|M_NOWAIT); 1893 if (scan_info == NULL) { 1894 request_ccb->ccb_h.status = CAM_RESRC_UNAVAIL; 1895 xpt_free_ccb(work_ccb); 1896 xpt_done(request_ccb); 1897 return; 1898 } 1899 CAM_DEBUG(request_ccb->ccb_h.path, CAM_DEBUG_TRACE, 1900 ("SCAN start for %p\n", scan_info)); 1901 scan_info->request_ccb = request_ccb; 1902 scan_info->cpi = &work_ccb->cpi; 1903 1904 /* Cache on our stack so we can work asynchronously */ 1905 max_target = scan_info->cpi->max_target; 1906 low_target = 0; 1907 initiator_id = scan_info->cpi->initiator_id; 1908 1909 1910 /* 1911 * We can scan all targets in parallel, or do it sequentially. 1912 */ 1913 1914 if (request_ccb->ccb_h.func_code == XPT_SCAN_TGT) { 1915 max_target = low_target = request_ccb->ccb_h.target_id; 1916 scan_info->counter = 0; 1917 } else if (scan_info->cpi->hba_misc & PIM_SEQSCAN) { 1918 max_target = 0; 1919 scan_info->counter = 0; 1920 } else { 1921 scan_info->counter = scan_info->cpi->max_target + 1; 1922 if (scan_info->cpi->initiator_id < scan_info->counter) { 1923 scan_info->counter--; 1924 } 1925 } 1926 mtx = xpt_path_mtx(scan_info->request_ccb->ccb_h.path); 1927 mtx_unlock(mtx); 1928 1929 for (i = low_target; i <= max_target; i++) { 1930 cam_status status; 1931 if (i == initiator_id) 1932 continue; 1933 1934 status = xpt_create_path(&path, NULL, 1935 request_ccb->ccb_h.path_id, 1936 i, 0); 1937 if (status != CAM_REQ_CMP) { 1938 printf("scsi_scan_bus: xpt_create_path failed" 1939 " with status %#x, bus scan halted\n", 1940 status); 1941 free(scan_info, M_CAMXPT); 1942 request_ccb->ccb_h.status = status; 1943 xpt_free_ccb(work_ccb); 1944 xpt_done(request_ccb); 1945 break; 1946 } 1947 work_ccb = xpt_alloc_ccb_nowait(); 1948 if (work_ccb == NULL) { 1949 xpt_free_ccb((union ccb *)scan_info->cpi); 1950 free(scan_info, M_CAMXPT); 1951 xpt_free_path(path); 1952 request_ccb->ccb_h.status = CAM_RESRC_UNAVAIL; 1953 xpt_done(request_ccb); 1954 break; 1955 } 1956 xpt_setup_ccb(&work_ccb->ccb_h, path, 1957 request_ccb->ccb_h.pinfo.priority); 1958 work_ccb->ccb_h.func_code = XPT_SCAN_LUN; 1959 work_ccb->ccb_h.cbfcnp = scsi_scan_bus; 1960 work_ccb->ccb_h.flags |= CAM_UNLOCKED; 1961 work_ccb->ccb_h.ppriv_ptr0 = scan_info; 1962 work_ccb->crcn.flags = request_ccb->crcn.flags; 1963 xpt_action(work_ccb); 1964 } 1965 1966 mtx_lock(mtx); 1967 break; 1968 } 1969 case XPT_SCAN_LUN: 1970 { 1971 cam_status status; 1972 struct cam_path *path, *oldpath; 1973 scsi_scan_bus_info *scan_info; 1974 struct cam_et *target; 1975 struct cam_ed *device, *nextdev; 1976 int next_target; 1977 path_id_t path_id; 1978 target_id_t target_id; 1979 lun_id_t lun_id; 1980 1981 oldpath = request_ccb->ccb_h.path; 1982 1983 status = cam_ccb_status(request_ccb); 1984 scan_info = (scsi_scan_bus_info *)request_ccb->ccb_h.ppriv_ptr0; 1985 path_id = request_ccb->ccb_h.path_id; 1986 target_id = request_ccb->ccb_h.target_id; 1987 lun_id = request_ccb->ccb_h.target_lun; 1988 target = request_ccb->ccb_h.path->target; 1989 next_target = 1; 1990 1991 mtx = xpt_path_mtx(scan_info->request_ccb->ccb_h.path); 1992 mtx_lock(mtx); 1993 mtx_lock(&target->luns_mtx); 1994 if (target->luns) { 1995 lun_id_t first; 1996 u_int nluns = scsi_4btoul(target->luns->length) / 8; 1997 1998 /* 1999 * Make sure we skip over lun 0 if it's the first member 2000 * of the list as we've actually just finished probing 2001 * it. 2002 */ 2003 CAM_GET_LUN(target->luns, 0, first); 2004 if (first == 0 && scan_info->lunindex[target_id] == 0) { 2005 scan_info->lunindex[target_id]++; 2006 } 2007 2008 /* 2009 * Skip any LUNs that the HBA can't deal with. 2010 */ 2011 while (scan_info->lunindex[target_id] < nluns) { 2012 if (scan_info->cpi->hba_misc & PIM_EXTLUNS) { 2013 CAM_GET_LUN(target->luns, 2014 scan_info->lunindex[target_id], 2015 lun_id); 2016 break; 2017 } 2018 2019 /* XXX print warning? */ 2020 if (!CAM_LUN_ONLY_32BITS(target->luns, 2021 scan_info->lunindex[target_id])) 2022 continue; 2023 if (CAM_CAN_GET_SIMPLE_LUN(target->luns, 2024 scan_info->lunindex[target_id])) { 2025 CAM_GET_SIMPLE_LUN(target->luns, 2026 scan_info->lunindex[target_id], 2027 lun_id); 2028 break; 2029 } 2030 2031 scan_info->lunindex[target_id]++; 2032 } 2033 2034 if (scan_info->lunindex[target_id] < nluns) { 2035 mtx_unlock(&target->luns_mtx); 2036 next_target = 0; 2037 CAM_DEBUG(request_ccb->ccb_h.path, 2038 CAM_DEBUG_PROBE, 2039 ("next lun to try at index %u is %jx\n", 2040 scan_info->lunindex[target_id], 2041 (uintmax_t)lun_id)); 2042 scan_info->lunindex[target_id]++; 2043 } else { 2044 mtx_unlock(&target->luns_mtx); 2045 /* We're done with scanning all luns. */ 2046 } 2047 } else { 2048 mtx_unlock(&target->luns_mtx); 2049 device = request_ccb->ccb_h.path->device; 2050 /* Continue sequential LUN scan if: */ 2051 /* -- we have more LUNs that need recheck */ 2052 mtx_lock(&target->bus->eb_mtx); 2053 nextdev = device; 2054 while ((nextdev = TAILQ_NEXT(nextdev, links)) != NULL) 2055 if ((nextdev->flags & CAM_DEV_UNCONFIGURED) == 0) 2056 break; 2057 mtx_unlock(&target->bus->eb_mtx); 2058 if (nextdev != NULL) { 2059 next_target = 0; 2060 /* -- stop if CAM_QUIRK_NOLUNS is set. */ 2061 } else if (SCSI_QUIRK(device)->quirks & CAM_QUIRK_NOLUNS) { 2062 next_target = 1; 2063 /* -- this LUN is connected and its SCSI version 2064 * allows more LUNs. */ 2065 } else if ((device->flags & CAM_DEV_UNCONFIGURED) == 0) { 2066 if (lun_id < (CAM_SCSI2_MAXLUN-1) || 2067 CAN_SRCH_HI_DENSE(device)) 2068 next_target = 0; 2069 /* -- this LUN is disconnected, its SCSI version 2070 * allows more LUNs and we guess they may be. */ 2071 } else if ((device->flags & CAM_DEV_INQUIRY_DATA_VALID) != 0) { 2072 if (lun_id < (CAM_SCSI2_MAXLUN-1) || 2073 CAN_SRCH_HI_SPARSE(device)) 2074 next_target = 0; 2075 } 2076 if (next_target == 0) { 2077 lun_id++; 2078 if (lun_id > scan_info->cpi->max_lun) 2079 next_target = 1; 2080 } 2081 } 2082 2083 /* 2084 * Check to see if we scan any further luns. 2085 */ 2086 if (next_target) { 2087 int done; 2088 2089 /* 2090 * Free the current request path- we're done with it. 2091 */ 2092 xpt_free_path(oldpath); 2093 hop_again: 2094 done = 0; 2095 if (scan_info->request_ccb->ccb_h.func_code == XPT_SCAN_TGT) { 2096 done = 1; 2097 } else if (scan_info->cpi->hba_misc & PIM_SEQSCAN) { 2098 scan_info->counter++; 2099 if (scan_info->counter == 2100 scan_info->cpi->initiator_id) { 2101 scan_info->counter++; 2102 } 2103 if (scan_info->counter >= 2104 scan_info->cpi->max_target+1) { 2105 done = 1; 2106 } 2107 } else { 2108 scan_info->counter--; 2109 if (scan_info->counter == 0) { 2110 done = 1; 2111 } 2112 } 2113 if (done) { 2114 mtx_unlock(mtx); 2115 xpt_free_ccb(request_ccb); 2116 xpt_free_ccb((union ccb *)scan_info->cpi); 2117 request_ccb = scan_info->request_ccb; 2118 CAM_DEBUG(request_ccb->ccb_h.path, 2119 CAM_DEBUG_TRACE, 2120 ("SCAN done for %p\n", scan_info)); 2121 free(scan_info, M_CAMXPT); 2122 request_ccb->ccb_h.status = CAM_REQ_CMP; 2123 xpt_done(request_ccb); 2124 break; 2125 } 2126 2127 if ((scan_info->cpi->hba_misc & PIM_SEQSCAN) == 0) { 2128 mtx_unlock(mtx); 2129 xpt_free_ccb(request_ccb); 2130 break; 2131 } 2132 status = xpt_create_path(&path, NULL, 2133 scan_info->request_ccb->ccb_h.path_id, 2134 scan_info->counter, 0); 2135 if (status != CAM_REQ_CMP) { 2136 mtx_unlock(mtx); 2137 printf("scsi_scan_bus: xpt_create_path failed" 2138 " with status %#x, bus scan halted\n", 2139 status); 2140 xpt_free_ccb(request_ccb); 2141 xpt_free_ccb((union ccb *)scan_info->cpi); 2142 request_ccb = scan_info->request_ccb; 2143 free(scan_info, M_CAMXPT); 2144 request_ccb->ccb_h.status = status; 2145 xpt_done(request_ccb); 2146 break; 2147 } 2148 xpt_setup_ccb(&request_ccb->ccb_h, path, 2149 request_ccb->ccb_h.pinfo.priority); 2150 request_ccb->ccb_h.func_code = XPT_SCAN_LUN; 2151 request_ccb->ccb_h.cbfcnp = scsi_scan_bus; 2152 request_ccb->ccb_h.flags |= CAM_UNLOCKED; 2153 request_ccb->ccb_h.ppriv_ptr0 = scan_info; 2154 request_ccb->crcn.flags = 2155 scan_info->request_ccb->crcn.flags; 2156 } else { 2157 status = xpt_create_path(&path, NULL, 2158 path_id, target_id, lun_id); 2159 /* 2160 * Free the old request path- we're done with it. We 2161 * do this *after* creating the new path so that 2162 * we don't remove a target that has our lun list 2163 * in the case that lun 0 is not present. 2164 */ 2165 xpt_free_path(oldpath); 2166 if (status != CAM_REQ_CMP) { 2167 printf("scsi_scan_bus: xpt_create_path failed " 2168 "with status %#x, halting LUN scan\n", 2169 status); 2170 goto hop_again; 2171 } 2172 xpt_setup_ccb(&request_ccb->ccb_h, path, 2173 request_ccb->ccb_h.pinfo.priority); 2174 request_ccb->ccb_h.func_code = XPT_SCAN_LUN; 2175 request_ccb->ccb_h.cbfcnp = scsi_scan_bus; 2176 request_ccb->ccb_h.flags |= CAM_UNLOCKED; 2177 request_ccb->ccb_h.ppriv_ptr0 = scan_info; 2178 request_ccb->crcn.flags = 2179 scan_info->request_ccb->crcn.flags; 2180 } 2181 mtx_unlock(mtx); 2182 xpt_action(request_ccb); 2183 break; 2184 } 2185 default: 2186 break; 2187 } 2188} 2189 2190static void 2191scsi_scan_lun(struct cam_periph *periph, struct cam_path *path, 2192 cam_flags flags, union ccb *request_ccb) 2193{ 2194 struct ccb_pathinq cpi; 2195 cam_status status; 2196 struct cam_path *new_path; 2197 struct cam_periph *old_periph; 2198 int lock; 2199 2200 CAM_DEBUG(path, CAM_DEBUG_TRACE, ("scsi_scan_lun\n")); 2201 2202 xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NONE); 2203 cpi.ccb_h.func_code = XPT_PATH_INQ; 2204 xpt_action((union ccb *)&cpi); 2205 2206 if (cpi.ccb_h.status != CAM_REQ_CMP) { 2207 if (request_ccb != NULL) { 2208 request_ccb->ccb_h.status = cpi.ccb_h.status; 2209 xpt_done(request_ccb); 2210 } 2211 return; 2212 } 2213 2214 if ((cpi.hba_misc & PIM_NOINITIATOR) != 0) { 2215 /* 2216 * Can't scan the bus on an adapter that 2217 * cannot perform the initiator role. 2218 */ 2219 if (request_ccb != NULL) { 2220 request_ccb->ccb_h.status = CAM_REQ_CMP; 2221 xpt_done(request_ccb); 2222 } 2223 return; 2224 } 2225 2226 if (request_ccb == NULL) { 2227 request_ccb = xpt_alloc_ccb_nowait(); 2228 if (request_ccb == NULL) { 2229 xpt_print(path, "scsi_scan_lun: can't allocate CCB, " 2230 "can't continue\n"); 2231 return; 2232 } 2233 status = xpt_create_path(&new_path, NULL, 2234 path->bus->path_id, 2235 path->target->target_id, 2236 path->device->lun_id); 2237 if (status != CAM_REQ_CMP) { 2238 xpt_print(path, "scsi_scan_lun: can't create path, " 2239 "can't continue\n"); 2240 xpt_free_ccb(request_ccb); 2241 return; 2242 } 2243 xpt_setup_ccb(&request_ccb->ccb_h, new_path, CAM_PRIORITY_XPT); 2244 request_ccb->ccb_h.cbfcnp = xptscandone; 2245 request_ccb->ccb_h.func_code = XPT_SCAN_LUN; 2246 request_ccb->ccb_h.flags |= CAM_UNLOCKED; 2247 request_ccb->crcn.flags = flags; 2248 } 2249 2250 lock = (xpt_path_owned(path) == 0); 2251 if (lock) 2252 xpt_path_lock(path); 2253 if ((old_periph = cam_periph_find(path, "probe")) != NULL) { 2254 if ((old_periph->flags & CAM_PERIPH_INVALID) == 0) { 2255 probe_softc *softc; 2256 2257 softc = (probe_softc *)old_periph->softc; 2258 TAILQ_INSERT_TAIL(&softc->request_ccbs, 2259 &request_ccb->ccb_h, periph_links.tqe); 2260 } else { 2261 request_ccb->ccb_h.status = CAM_REQ_CMP_ERR; 2262 xpt_done(request_ccb); 2263 } 2264 } else { 2265 status = cam_periph_alloc(proberegister, NULL, probecleanup, 2266 probestart, "probe", 2267 CAM_PERIPH_BIO, 2268 request_ccb->ccb_h.path, NULL, 0, 2269 request_ccb); 2270 2271 if (status != CAM_REQ_CMP) { 2272 xpt_print(path, "scsi_scan_lun: cam_alloc_periph " 2273 "returned an error, can't continue probe\n"); 2274 request_ccb->ccb_h.status = status; 2275 xpt_done(request_ccb); 2276 } 2277 } 2278 if (lock) 2279 xpt_path_unlock(path); 2280} 2281 2282static void 2283xptscandone(struct cam_periph *periph, union ccb *done_ccb) 2284{ 2285 2286 xpt_free_path(done_ccb->ccb_h.path); 2287 xpt_free_ccb(done_ccb); 2288} 2289 2290static struct cam_ed * 2291scsi_alloc_device(struct cam_eb *bus, struct cam_et *target, lun_id_t lun_id) 2292{ 2293 struct scsi_quirk_entry *quirk; 2294 struct cam_ed *device; 2295 2296 device = xpt_alloc_device(bus, target, lun_id); 2297 if (device == NULL) 2298 return (NULL); 2299 2300 /* 2301 * Take the default quirk entry until we have inquiry 2302 * data and can determine a better quirk to use. 2303 */ 2304 quirk = &scsi_quirk_table[scsi_quirk_table_size - 1]; 2305 device->quirk = (void *)quirk; 2306 device->mintags = quirk->mintags; 2307 device->maxtags = quirk->maxtags; 2308 bzero(&device->inq_data, sizeof(device->inq_data)); 2309 device->inq_flags = 0; 2310 device->queue_flags = 0; 2311 device->serial_num = NULL; 2312 device->serial_num_len = 0; 2313 device->device_id = NULL; 2314 device->device_id_len = 0; 2315 device->supported_vpds = NULL; 2316 device->supported_vpds_len = 0; 2317 return (device); 2318} 2319 2320static void 2321scsi_devise_transport(struct cam_path *path) 2322{ 2323 struct ccb_pathinq cpi; 2324 struct ccb_trans_settings cts; 2325 struct scsi_inquiry_data *inq_buf; 2326 2327 /* Get transport information from the SIM */ 2328 xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NONE); 2329 cpi.ccb_h.func_code = XPT_PATH_INQ; 2330 xpt_action((union ccb *)&cpi); 2331 2332 inq_buf = NULL; 2333 if ((path->device->flags & CAM_DEV_INQUIRY_DATA_VALID) != 0) 2334 inq_buf = &path->device->inq_data; 2335 path->device->protocol = PROTO_SCSI; 2336 path->device->protocol_version = 2337 inq_buf != NULL ? SID_ANSI_REV(inq_buf) : cpi.protocol_version; 2338 path->device->transport = cpi.transport; 2339 path->device->transport_version = cpi.transport_version; 2340 2341 /* 2342 * Any device not using SPI3 features should 2343 * be considered SPI2 or lower. 2344 */ 2345 if (inq_buf != NULL) { 2346 if (path->device->transport == XPORT_SPI 2347 && (inq_buf->spi3data & SID_SPI_MASK) == 0 2348 && path->device->transport_version > 2) 2349 path->device->transport_version = 2; 2350 } else { 2351 struct cam_ed* otherdev; 2352 2353 for (otherdev = TAILQ_FIRST(&path->target->ed_entries); 2354 otherdev != NULL; 2355 otherdev = TAILQ_NEXT(otherdev, links)) { 2356 if (otherdev != path->device) 2357 break; 2358 } 2359 2360 if (otherdev != NULL) { 2361 /* 2362 * Initially assume the same versioning as 2363 * prior luns for this target. 2364 */ 2365 path->device->protocol_version = 2366 otherdev->protocol_version; 2367 path->device->transport_version = 2368 otherdev->transport_version; 2369 } else { 2370 /* Until we know better, opt for safty */ 2371 path->device->protocol_version = 2; 2372 if (path->device->transport == XPORT_SPI) 2373 path->device->transport_version = 2; 2374 else 2375 path->device->transport_version = 0; 2376 } 2377 } 2378 2379 /* 2380 * XXX 2381 * For a device compliant with SPC-2 we should be able 2382 * to determine the transport version supported by 2383 * scrutinizing the version descriptors in the 2384 * inquiry buffer. 2385 */ 2386 2387 /* Tell the controller what we think */ 2388 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 2389 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 2390 cts.type = CTS_TYPE_CURRENT_SETTINGS; 2391 cts.transport = path->device->transport; 2392 cts.transport_version = path->device->transport_version; 2393 cts.protocol = path->device->protocol; 2394 cts.protocol_version = path->device->protocol_version; 2395 cts.proto_specific.valid = 0; 2396 cts.xport_specific.valid = 0; 2397 xpt_action((union ccb *)&cts); 2398} 2399 2400static void 2401scsi_dev_advinfo(union ccb *start_ccb) 2402{ 2403 struct cam_ed *device; 2404 struct ccb_dev_advinfo *cdai; 2405 off_t amt; 2406 2407 start_ccb->ccb_h.status = CAM_REQ_INVALID; 2408 device = start_ccb->ccb_h.path->device; 2409 cdai = &start_ccb->cdai; 2410 switch(cdai->buftype) { 2411 case CDAI_TYPE_SCSI_DEVID: 2412 if (cdai->flags & CDAI_FLAG_STORE) 2413 return; 2414 cdai->provsiz = device->device_id_len; 2415 if (device->device_id_len == 0) 2416 break; 2417 amt = device->device_id_len; 2418 if (cdai->provsiz > cdai->bufsiz) 2419 amt = cdai->bufsiz; 2420 memcpy(cdai->buf, device->device_id, amt); 2421 break; 2422 case CDAI_TYPE_SERIAL_NUM: 2423 if (cdai->flags & CDAI_FLAG_STORE) 2424 return; 2425 cdai->provsiz = device->serial_num_len; 2426 if (device->serial_num_len == 0) 2427 break; 2428 amt = device->serial_num_len; 2429 if (cdai->provsiz > cdai->bufsiz) 2430 amt = cdai->bufsiz; 2431 memcpy(cdai->buf, device->serial_num, amt); 2432 break; 2433 case CDAI_TYPE_PHYS_PATH: 2434 if (cdai->flags & CDAI_FLAG_STORE) { 2435 if (device->physpath != NULL) { 2436 free(device->physpath, M_CAMXPT); 2437 device->physpath = NULL; 2438 } 2439 device->physpath_len = cdai->bufsiz; 2440 /* Clear existing buffer if zero length */ 2441 if (cdai->bufsiz == 0) 2442 break; 2443 device->physpath = malloc(cdai->bufsiz, M_CAMXPT, M_NOWAIT); 2444 if (device->physpath == NULL) { 2445 start_ccb->ccb_h.status = CAM_REQ_ABORTED; 2446 return; 2447 } 2448 memcpy(device->physpath, cdai->buf, cdai->bufsiz); 2449 } else { 2450 cdai->provsiz = device->physpath_len; 2451 if (device->physpath_len == 0) 2452 break; 2453 amt = device->physpath_len; 2454 if (cdai->provsiz > cdai->bufsiz) 2455 amt = cdai->bufsiz; 2456 memcpy(cdai->buf, device->physpath, amt); 2457 } 2458 break; 2459 case CDAI_TYPE_RCAPLONG: 2460 if (cdai->flags & CDAI_FLAG_STORE) { 2461 if (device->rcap_buf != NULL) { 2462 free(device->rcap_buf, M_CAMXPT); 2463 device->rcap_buf = NULL; 2464 } 2465 2466 device->rcap_len = cdai->bufsiz; 2467 /* Clear existing buffer if zero length */ 2468 if (cdai->bufsiz == 0) 2469 break; 2470 2471 device->rcap_buf = malloc(cdai->bufsiz, M_CAMXPT, 2472 M_NOWAIT); 2473 if (device->rcap_buf == NULL) { 2474 start_ccb->ccb_h.status = CAM_REQ_ABORTED; 2475 return; 2476 } 2477 2478 memcpy(device->rcap_buf, cdai->buf, cdai->bufsiz); 2479 } else { 2480 cdai->provsiz = device->rcap_len; 2481 if (device->rcap_len == 0) 2482 break; 2483 amt = device->rcap_len; 2484 if (cdai->provsiz > cdai->bufsiz) 2485 amt = cdai->bufsiz; 2486 memcpy(cdai->buf, device->rcap_buf, amt); 2487 } 2488 break; 2489 default: 2490 return; 2491 } 2492 start_ccb->ccb_h.status = CAM_REQ_CMP; 2493 2494 if (cdai->flags & CDAI_FLAG_STORE) { 2495 xpt_async(AC_ADVINFO_CHANGED, start_ccb->ccb_h.path, 2496 (void *)(uintptr_t)cdai->buftype); 2497 } 2498} 2499 2500static void 2501scsi_action(union ccb *start_ccb) 2502{ 2503 2504 switch (start_ccb->ccb_h.func_code) { 2505 case XPT_SET_TRAN_SETTINGS: 2506 { 2507 scsi_set_transfer_settings(&start_ccb->cts, 2508 start_ccb->ccb_h.path, 2509 /*async_update*/FALSE); 2510 break; 2511 } 2512 case XPT_SCAN_BUS: 2513 case XPT_SCAN_TGT: 2514 scsi_scan_bus(start_ccb->ccb_h.path->periph, start_ccb); 2515 break; 2516 case XPT_SCAN_LUN: 2517 scsi_scan_lun(start_ccb->ccb_h.path->periph, 2518 start_ccb->ccb_h.path, start_ccb->crcn.flags, 2519 start_ccb); 2520 break; 2521 case XPT_DEV_ADVINFO: 2522 { 2523 scsi_dev_advinfo(start_ccb); 2524 break; 2525 } 2526 default: 2527 xpt_action_default(start_ccb); 2528 break; 2529 } 2530} 2531 2532static void 2533scsi_set_transfer_settings(struct ccb_trans_settings *cts, struct cam_path *path, 2534 int async_update) 2535{ 2536 struct ccb_pathinq cpi; 2537 struct ccb_trans_settings cur_cts; 2538 struct ccb_trans_settings_scsi *scsi; 2539 struct ccb_trans_settings_scsi *cur_scsi; 2540 struct scsi_inquiry_data *inq_data; 2541 struct cam_ed *device; 2542 2543 if (path == NULL || (device = path->device) == NULL) { 2544 cts->ccb_h.status = CAM_PATH_INVALID; 2545 xpt_done((union ccb *)cts); 2546 return; 2547 } 2548 2549 if (cts->protocol == PROTO_UNKNOWN 2550 || cts->protocol == PROTO_UNSPECIFIED) { 2551 cts->protocol = device->protocol; 2552 cts->protocol_version = device->protocol_version; 2553 } 2554 2555 if (cts->protocol_version == PROTO_VERSION_UNKNOWN 2556 || cts->protocol_version == PROTO_VERSION_UNSPECIFIED) 2557 cts->protocol_version = device->protocol_version; 2558 2559 if (cts->protocol != device->protocol) { 2560 xpt_print(path, "Uninitialized Protocol %x:%x?\n", 2561 cts->protocol, device->protocol); 2562 cts->protocol = device->protocol; 2563 } 2564 2565 if (cts->protocol_version > device->protocol_version) { 2566 if (bootverbose) { 2567 xpt_print(path, "Down reving Protocol " 2568 "Version from %d to %d?\n", cts->protocol_version, 2569 device->protocol_version); 2570 } 2571 cts->protocol_version = device->protocol_version; 2572 } 2573 2574 if (cts->transport == XPORT_UNKNOWN 2575 || cts->transport == XPORT_UNSPECIFIED) { 2576 cts->transport = device->transport; 2577 cts->transport_version = device->transport_version; 2578 } 2579 2580 if (cts->transport_version == XPORT_VERSION_UNKNOWN 2581 || cts->transport_version == XPORT_VERSION_UNSPECIFIED) 2582 cts->transport_version = device->transport_version; 2583 2584 if (cts->transport != device->transport) { 2585 xpt_print(path, "Uninitialized Transport %x:%x?\n", 2586 cts->transport, device->transport); 2587 cts->transport = device->transport; 2588 } 2589 2590 if (cts->transport_version > device->transport_version) { 2591 if (bootverbose) { 2592 xpt_print(path, "Down reving Transport " 2593 "Version from %d to %d?\n", cts->transport_version, 2594 device->transport_version); 2595 } 2596 cts->transport_version = device->transport_version; 2597 } 2598 2599 /* 2600 * Nothing more of interest to do unless 2601 * this is a device connected via the 2602 * SCSI protocol. 2603 */ 2604 if (cts->protocol != PROTO_SCSI) { 2605 if (async_update == FALSE) 2606 xpt_action_default((union ccb *)cts); 2607 return; 2608 } 2609 2610 inq_data = &device->inq_data; 2611 scsi = &cts->proto_specific.scsi; 2612 xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NONE); 2613 cpi.ccb_h.func_code = XPT_PATH_INQ; 2614 xpt_action((union ccb *)&cpi); 2615 2616 /* SCSI specific sanity checking */ 2617 if ((cpi.hba_inquiry & PI_TAG_ABLE) == 0 2618 || (INQ_DATA_TQ_ENABLED(inq_data)) == 0 2619 || (device->queue_flags & SCP_QUEUE_DQUE) != 0 2620 || (device->mintags == 0)) { 2621 /* 2622 * Can't tag on hardware that doesn't support tags, 2623 * doesn't have it enabled, or has broken tag support. 2624 */ 2625 scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB; 2626 } 2627 2628 if (async_update == FALSE) { 2629 /* 2630 * Perform sanity checking against what the 2631 * controller and device can do. 2632 */ 2633 xpt_setup_ccb(&cur_cts.ccb_h, path, CAM_PRIORITY_NONE); 2634 cur_cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 2635 cur_cts.type = cts->type; 2636 xpt_action((union ccb *)&cur_cts); 2637 if (cam_ccb_status((union ccb *)&cur_cts) != CAM_REQ_CMP) { 2638 return; 2639 } 2640 cur_scsi = &cur_cts.proto_specific.scsi; 2641 if ((scsi->valid & CTS_SCSI_VALID_TQ) == 0) { 2642 scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB; 2643 scsi->flags |= cur_scsi->flags & CTS_SCSI_FLAGS_TAG_ENB; 2644 } 2645 if ((cur_scsi->valid & CTS_SCSI_VALID_TQ) == 0) 2646 scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB; 2647 } 2648 2649 /* SPI specific sanity checking */ 2650 if (cts->transport == XPORT_SPI && async_update == FALSE) { 2651 u_int spi3caps; 2652 struct ccb_trans_settings_spi *spi; 2653 struct ccb_trans_settings_spi *cur_spi; 2654 2655 spi = &cts->xport_specific.spi; 2656 2657 cur_spi = &cur_cts.xport_specific.spi; 2658 2659 /* Fill in any gaps in what the user gave us */ 2660 if ((spi->valid & CTS_SPI_VALID_SYNC_RATE) == 0) 2661 spi->sync_period = cur_spi->sync_period; 2662 if ((cur_spi->valid & CTS_SPI_VALID_SYNC_RATE) == 0) 2663 spi->sync_period = 0; 2664 if ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) == 0) 2665 spi->sync_offset = cur_spi->sync_offset; 2666 if ((cur_spi->valid & CTS_SPI_VALID_SYNC_OFFSET) == 0) 2667 spi->sync_offset = 0; 2668 if ((spi->valid & CTS_SPI_VALID_PPR_OPTIONS) == 0) 2669 spi->ppr_options = cur_spi->ppr_options; 2670 if ((cur_spi->valid & CTS_SPI_VALID_PPR_OPTIONS) == 0) 2671 spi->ppr_options = 0; 2672 if ((spi->valid & CTS_SPI_VALID_BUS_WIDTH) == 0) 2673 spi->bus_width = cur_spi->bus_width; 2674 if ((cur_spi->valid & CTS_SPI_VALID_BUS_WIDTH) == 0) 2675 spi->bus_width = 0; 2676 if ((spi->valid & CTS_SPI_VALID_DISC) == 0) { 2677 spi->flags &= ~CTS_SPI_FLAGS_DISC_ENB; 2678 spi->flags |= cur_spi->flags & CTS_SPI_FLAGS_DISC_ENB; 2679 } 2680 if ((cur_spi->valid & CTS_SPI_VALID_DISC) == 0) 2681 spi->flags &= ~CTS_SPI_FLAGS_DISC_ENB; 2682 if (((device->flags & CAM_DEV_INQUIRY_DATA_VALID) != 0 2683 && (inq_data->flags & SID_Sync) == 0 2684 && cts->type == CTS_TYPE_CURRENT_SETTINGS) 2685 || ((cpi.hba_inquiry & PI_SDTR_ABLE) == 0)) { 2686 /* Force async */ 2687 spi->sync_period = 0; 2688 spi->sync_offset = 0; 2689 } 2690 2691 switch (spi->bus_width) { 2692 case MSG_EXT_WDTR_BUS_32_BIT: 2693 if (((device->flags & CAM_DEV_INQUIRY_DATA_VALID) == 0 2694 || (inq_data->flags & SID_WBus32) != 0 2695 || cts->type == CTS_TYPE_USER_SETTINGS) 2696 && (cpi.hba_inquiry & PI_WIDE_32) != 0) 2697 break; 2698 /* Fall Through to 16-bit */ 2699 case MSG_EXT_WDTR_BUS_16_BIT: 2700 if (((device->flags & CAM_DEV_INQUIRY_DATA_VALID) == 0 2701 || (inq_data->flags & SID_WBus16) != 0 2702 || cts->type == CTS_TYPE_USER_SETTINGS) 2703 && (cpi.hba_inquiry & PI_WIDE_16) != 0) { 2704 spi->bus_width = MSG_EXT_WDTR_BUS_16_BIT; 2705 break; 2706 } 2707 /* Fall Through to 8-bit */ 2708 default: /* New bus width?? */ 2709 case MSG_EXT_WDTR_BUS_8_BIT: 2710 /* All targets can do this */ 2711 spi->bus_width = MSG_EXT_WDTR_BUS_8_BIT; 2712 break; 2713 } 2714 2715 spi3caps = cpi.xport_specific.spi.ppr_options; 2716 if ((device->flags & CAM_DEV_INQUIRY_DATA_VALID) != 0 2717 && cts->type == CTS_TYPE_CURRENT_SETTINGS) 2718 spi3caps &= inq_data->spi3data; 2719 2720 if ((spi3caps & SID_SPI_CLOCK_DT) == 0) 2721 spi->ppr_options &= ~MSG_EXT_PPR_DT_REQ; 2722 2723 if ((spi3caps & SID_SPI_IUS) == 0) 2724 spi->ppr_options &= ~MSG_EXT_PPR_IU_REQ; 2725 2726 if ((spi3caps & SID_SPI_QAS) == 0) 2727 spi->ppr_options &= ~MSG_EXT_PPR_QAS_REQ; 2728 2729 /* No SPI Transfer settings are allowed unless we are wide */ 2730 if (spi->bus_width == 0) 2731 spi->ppr_options = 0; 2732 2733 if ((spi->valid & CTS_SPI_VALID_DISC) 2734 && ((spi->flags & CTS_SPI_FLAGS_DISC_ENB) == 0)) { 2735 /* 2736 * Can't tag queue without disconnection. 2737 */ 2738 scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB; 2739 scsi->valid |= CTS_SCSI_VALID_TQ; 2740 } 2741 2742 /* 2743 * If we are currently performing tagged transactions to 2744 * this device and want to change its negotiation parameters, 2745 * go non-tagged for a bit to give the controller a chance to 2746 * negotiate unhampered by tag messages. 2747 */ 2748 if (cts->type == CTS_TYPE_CURRENT_SETTINGS 2749 && (device->inq_flags & SID_CmdQue) != 0 2750 && (scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0 2751 && (spi->flags & (CTS_SPI_VALID_SYNC_RATE| 2752 CTS_SPI_VALID_SYNC_OFFSET| 2753 CTS_SPI_VALID_BUS_WIDTH)) != 0) 2754 scsi_toggle_tags(path); 2755 } 2756 2757 if (cts->type == CTS_TYPE_CURRENT_SETTINGS 2758 && (scsi->valid & CTS_SCSI_VALID_TQ) != 0) { 2759 int device_tagenb; 2760 2761 /* 2762 * If we are transitioning from tags to no-tags or 2763 * vice-versa, we need to carefully freeze and restart 2764 * the queue so that we don't overlap tagged and non-tagged 2765 * commands. We also temporarily stop tags if there is 2766 * a change in transfer negotiation settings to allow 2767 * "tag-less" negotiation. 2768 */ 2769 if ((device->flags & CAM_DEV_TAG_AFTER_COUNT) != 0 2770 || (device->inq_flags & SID_CmdQue) != 0) 2771 device_tagenb = TRUE; 2772 else 2773 device_tagenb = FALSE; 2774 2775 if (((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0 2776 && device_tagenb == FALSE) 2777 || ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) == 0 2778 && device_tagenb == TRUE)) { 2779 2780 if ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0) { 2781 /* 2782 * Delay change to use tags until after a 2783 * few commands have gone to this device so 2784 * the controller has time to perform transfer 2785 * negotiations without tagged messages getting 2786 * in the way. 2787 */ 2788 device->tag_delay_count = CAM_TAG_DELAY_COUNT; 2789 device->flags |= CAM_DEV_TAG_AFTER_COUNT; 2790 } else { 2791 xpt_stop_tags(path); 2792 } 2793 } 2794 } 2795 if (async_update == FALSE) 2796 xpt_action_default((union ccb *)cts); 2797} 2798 2799static void 2800scsi_toggle_tags(struct cam_path *path) 2801{ 2802 struct cam_ed *dev; 2803 2804 /* 2805 * Give controllers a chance to renegotiate 2806 * before starting tag operations. We 2807 * "toggle" tagged queuing off then on 2808 * which causes the tag enable command delay 2809 * counter to come into effect. 2810 */ 2811 dev = path->device; 2812 if ((dev->flags & CAM_DEV_TAG_AFTER_COUNT) != 0 2813 || ((dev->inq_flags & SID_CmdQue) != 0 2814 && (dev->inq_flags & (SID_Sync|SID_WBus16|SID_WBus32)) != 0)) { 2815 struct ccb_trans_settings cts; 2816 2817 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 2818 cts.protocol = PROTO_SCSI; 2819 cts.protocol_version = PROTO_VERSION_UNSPECIFIED; 2820 cts.transport = XPORT_UNSPECIFIED; 2821 cts.transport_version = XPORT_VERSION_UNSPECIFIED; 2822 cts.proto_specific.scsi.flags = 0; 2823 cts.proto_specific.scsi.valid = CTS_SCSI_VALID_TQ; 2824 scsi_set_transfer_settings(&cts, path, 2825 /*async_update*/TRUE); 2826 cts.proto_specific.scsi.flags = CTS_SCSI_FLAGS_TAG_ENB; 2827 scsi_set_transfer_settings(&cts, path, 2828 /*async_update*/TRUE); 2829 } 2830} 2831 2832/* 2833 * Handle any per-device event notifications that require action by the XPT. 2834 */ 2835static void 2836scsi_dev_async(u_int32_t async_code, struct cam_eb *bus, struct cam_et *target, 2837 struct cam_ed *device, void *async_arg) 2838{ 2839 cam_status status; 2840 struct cam_path newpath; 2841 2842 /* 2843 * We only need to handle events for real devices. 2844 */ 2845 if (target->target_id == CAM_TARGET_WILDCARD 2846 || device->lun_id == CAM_LUN_WILDCARD) 2847 return; 2848 2849 /* 2850 * We need our own path with wildcards expanded to 2851 * handle certain types of events. 2852 */ 2853 if ((async_code == AC_SENT_BDR) 2854 || (async_code == AC_BUS_RESET) 2855 || (async_code == AC_INQ_CHANGED)) 2856 status = xpt_compile_path(&newpath, NULL, 2857 bus->path_id, 2858 target->target_id, 2859 device->lun_id); 2860 else 2861 status = CAM_REQ_CMP_ERR; 2862 2863 if (status == CAM_REQ_CMP) { 2864 2865 /* 2866 * Allow transfer negotiation to occur in a 2867 * tag free environment and after settle delay. 2868 */ 2869 if (async_code == AC_SENT_BDR 2870 || async_code == AC_BUS_RESET) { 2871 cam_freeze_devq(&newpath); 2872 cam_release_devq(&newpath, 2873 RELSIM_RELEASE_AFTER_TIMEOUT, 2874 /*reduction*/0, 2875 /*timeout*/scsi_delay, 2876 /*getcount_only*/0); 2877 scsi_toggle_tags(&newpath); 2878 } 2879 2880 if (async_code == AC_INQ_CHANGED) { 2881 /* 2882 * We've sent a start unit command, or 2883 * something similar to a device that 2884 * may have caused its inquiry data to 2885 * change. So we re-scan the device to 2886 * refresh the inquiry data for it. 2887 */ 2888 scsi_scan_lun(newpath.periph, &newpath, 2889 CAM_EXPECT_INQ_CHANGE, NULL); 2890 } 2891 xpt_release_path(&newpath); 2892 } else if (async_code == AC_LOST_DEVICE && 2893 (device->flags & CAM_DEV_UNCONFIGURED) == 0) { 2894 device->flags |= CAM_DEV_UNCONFIGURED; 2895 xpt_release_device(device); 2896 } else if (async_code == AC_TRANSFER_NEG) { 2897 struct ccb_trans_settings *settings; 2898 struct cam_path path; 2899 2900 settings = (struct ccb_trans_settings *)async_arg; 2901 xpt_compile_path(&path, NULL, bus->path_id, target->target_id, 2902 device->lun_id); 2903 scsi_set_transfer_settings(settings, &path, 2904 /*async_update*/TRUE); 2905 xpt_release_path(&path); 2906 } 2907} 2908 2909static void 2910scsi_announce_periph(struct cam_periph *periph) 2911{ 2912 struct ccb_pathinq cpi; 2913 struct ccb_trans_settings cts; 2914 struct cam_path *path = periph->path; 2915 u_int speed; 2916 u_int freq; 2917 u_int mb; 2918 2919 cam_periph_assert(periph, MA_OWNED); 2920 2921 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NORMAL); 2922 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 2923 cts.type = CTS_TYPE_CURRENT_SETTINGS; 2924 xpt_action((union ccb*)&cts); 2925 if (cam_ccb_status((union ccb *)&cts) != CAM_REQ_CMP) 2926 return; 2927 /* Ask the SIM for its base transfer speed */ 2928 xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NORMAL); 2929 cpi.ccb_h.func_code = XPT_PATH_INQ; 2930 xpt_action((union ccb *)&cpi); 2931 /* Report connection speed */ 2932 speed = cpi.base_transfer_speed; 2933 freq = 0; 2934 if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_SPI) { 2935 struct ccb_trans_settings_spi *spi = 2936 &cts.xport_specific.spi; 2937 2938 if ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) != 0 2939 && spi->sync_offset != 0) { 2940 freq = scsi_calc_syncsrate(spi->sync_period); 2941 speed = freq; 2942 } 2943 if ((spi->valid & CTS_SPI_VALID_BUS_WIDTH) != 0) 2944 speed *= (0x01 << spi->bus_width); 2945 } 2946 if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_FC) { 2947 struct ccb_trans_settings_fc *fc = 2948 &cts.xport_specific.fc; 2949 2950 if (fc->valid & CTS_FC_VALID_SPEED) 2951 speed = fc->bitrate; 2952 } 2953 if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_SAS) { 2954 struct ccb_trans_settings_sas *sas = 2955 &cts.xport_specific.sas; 2956 2957 if (sas->valid & CTS_SAS_VALID_SPEED) 2958 speed = sas->bitrate; 2959 } 2960 mb = speed / 1000; 2961 if (mb > 0) 2962 printf("%s%d: %d.%03dMB/s transfers", 2963 periph->periph_name, periph->unit_number, 2964 mb, speed % 1000); 2965 else 2966 printf("%s%d: %dKB/s transfers", periph->periph_name, 2967 periph->unit_number, speed); 2968 /* Report additional information about SPI connections */ 2969 if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_SPI) { 2970 struct ccb_trans_settings_spi *spi; 2971 2972 spi = &cts.xport_specific.spi; 2973 if (freq != 0) { 2974 printf(" (%d.%03dMHz%s, offset %d", freq / 1000, 2975 freq % 1000, 2976 (spi->ppr_options & MSG_EXT_PPR_DT_REQ) != 0 2977 ? " DT" : "", 2978 spi->sync_offset); 2979 } 2980 if ((spi->valid & CTS_SPI_VALID_BUS_WIDTH) != 0 2981 && spi->bus_width > 0) { 2982 if (freq != 0) { 2983 printf(", "); 2984 } else { 2985 printf(" ("); 2986 } 2987 printf("%dbit)", 8 * (0x01 << spi->bus_width)); 2988 } else if (freq != 0) { 2989 printf(")"); 2990 } 2991 } 2992 if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_FC) { 2993 struct ccb_trans_settings_fc *fc; 2994 2995 fc = &cts.xport_specific.fc; 2996 if (fc->valid & CTS_FC_VALID_WWNN) 2997 printf(" WWNN 0x%llx", (long long) fc->wwnn); 2998 if (fc->valid & CTS_FC_VALID_WWPN) 2999 printf(" WWPN 0x%llx", (long long) fc->wwpn); 3000 if (fc->valid & CTS_FC_VALID_PORT) 3001 printf(" PortID 0x%x", fc->port); 3002 } 3003 printf("\n"); 3004} 3005 3006