scsi_xpt.c revision 273974
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 273974 2014-11-02 17:23:44Z mav $"); 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) { 762 763 MD5Init(&softc->context); 764 MD5Update(&softc->context, (unsigned char *)inq_buf, 765 sizeof(struct scsi_inquiry_data)); 766 softc->flags |= PROBE_INQUIRY_CKSUM; 767 if (periph->path->device->serial_num_len > 0) { 768 MD5Update(&softc->context, 769 periph->path->device->serial_num, 770 periph->path->device->serial_num_len); 771 softc->flags |= PROBE_SERIAL_CKSUM; 772 } 773 MD5Final(softc->digest, &softc->context); 774 } 775 776 if (softc->action == PROBE_INQUIRY) 777 inquiry_len = SHORT_INQUIRY_LENGTH; 778 else 779 inquiry_len = SID_ADDITIONAL_LENGTH(inq_buf); 780 781 /* 782 * Some parallel SCSI devices fail to send an 783 * ignore wide residue message when dealing with 784 * odd length inquiry requests. Round up to be 785 * safe. 786 */ 787 inquiry_len = roundup2(inquiry_len, 2); 788 789 if (softc->action == PROBE_INQUIRY_BASIC_DV1 790 || softc->action == PROBE_INQUIRY_BASIC_DV2) { 791 inq_buf = malloc(inquiry_len, M_CAMXPT, M_NOWAIT); 792 } 793 if (inq_buf == NULL) { 794 xpt_print(periph->path, "malloc failure- skipping Basic" 795 "Domain Validation\n"); 796 PROBE_SET_ACTION(softc, PROBE_DV_EXIT); 797 scsi_test_unit_ready(csio, 798 /*retries*/4, 799 probedone, 800 MSG_SIMPLE_Q_TAG, 801 SSD_FULL_SIZE, 802 /*timeout*/60000); 803 break; 804 } 805 scsi_inquiry(csio, 806 /*retries*/4, 807 probedone, 808 MSG_SIMPLE_Q_TAG, 809 (u_int8_t *)inq_buf, 810 inquiry_len, 811 /*evpd*/FALSE, 812 /*page_code*/0, 813 SSD_MIN_SIZE, 814 /*timeout*/60 * 1000); 815 break; 816 } 817 case PROBE_REPORT_LUNS: 818 { 819 void *rp; 820 821 rp = malloc(periph->path->target->rpl_size, 822 M_CAMXPT, M_NOWAIT | M_ZERO); 823 if (rp == NULL) { 824 struct scsi_inquiry_data *inq_buf; 825 inq_buf = &periph->path->device->inq_data; 826 xpt_print(periph->path, 827 "Unable to alloc report luns storage\n"); 828 if (INQ_DATA_TQ_ENABLED(inq_buf)) 829 PROBE_SET_ACTION(softc, PROBE_MODE_SENSE); 830 else 831 PROBE_SET_ACTION(softc, 832 PROBE_SUPPORTED_VPD_LIST); 833 goto again; 834 } 835 scsi_report_luns(csio, 5, probedone, MSG_SIMPLE_Q_TAG, 836 RPL_REPORT_DEFAULT, rp, periph->path->target->rpl_size, 837 SSD_FULL_SIZE, 60000); break; 838 break; 839 } 840 case PROBE_MODE_SENSE: 841 { 842 void *mode_buf; 843 int mode_buf_len; 844 845 mode_buf_len = sizeof(struct scsi_mode_header_6) 846 + sizeof(struct scsi_mode_blk_desc) 847 + sizeof(struct scsi_control_page); 848 mode_buf = malloc(mode_buf_len, M_CAMXPT, M_NOWAIT); 849 if (mode_buf != NULL) { 850 scsi_mode_sense(csio, 851 /*retries*/4, 852 probedone, 853 MSG_SIMPLE_Q_TAG, 854 /*dbd*/FALSE, 855 SMS_PAGE_CTRL_CURRENT, 856 SMS_CONTROL_MODE_PAGE, 857 mode_buf, 858 mode_buf_len, 859 SSD_FULL_SIZE, 860 /*timeout*/60000); 861 break; 862 } 863 xpt_print(periph->path, "Unable to mode sense control page - " 864 "malloc failure\n"); 865 PROBE_SET_ACTION(softc, PROBE_SUPPORTED_VPD_LIST); 866 } 867 /* FALLTHROUGH */ 868 case PROBE_SUPPORTED_VPD_LIST: 869 { 870 struct scsi_vpd_supported_page_list *vpd_list; 871 struct cam_ed *device; 872 873 vpd_list = NULL; 874 device = periph->path->device; 875 876 if ((SCSI_QUIRK(device)->quirks & CAM_QUIRK_NOVPDS) == 0) 877 vpd_list = malloc(sizeof(*vpd_list), M_CAMXPT, 878 M_NOWAIT | M_ZERO); 879 880 if (vpd_list != NULL) { 881 scsi_inquiry(csio, 882 /*retries*/4, 883 probedone, 884 MSG_SIMPLE_Q_TAG, 885 (u_int8_t *)vpd_list, 886 sizeof(*vpd_list), 887 /*evpd*/TRUE, 888 SVPD_SUPPORTED_PAGE_LIST, 889 SSD_MIN_SIZE, 890 /*timeout*/60 * 1000); 891 break; 892 } 893done: 894 /* 895 * We'll have to do without, let our probedone 896 * routine finish up for us. 897 */ 898 start_ccb->csio.data_ptr = NULL; 899 cam_freeze_devq(periph->path); 900 cam_periph_doacquire(periph); 901 probedone(periph, start_ccb); 902 return; 903 } 904 case PROBE_DEVICE_ID: 905 { 906 struct scsi_vpd_device_id *devid; 907 908 devid = NULL; 909 if (scsi_vpd_supported_page(periph, SVPD_DEVICE_ID)) 910 devid = malloc(SVPD_DEVICE_ID_MAX_SIZE, M_CAMXPT, 911 M_NOWAIT | M_ZERO); 912 913 if (devid != NULL) { 914 scsi_inquiry(csio, 915 /*retries*/4, 916 probedone, 917 MSG_SIMPLE_Q_TAG, 918 (uint8_t *)devid, 919 SVPD_DEVICE_ID_MAX_SIZE, 920 /*evpd*/TRUE, 921 SVPD_DEVICE_ID, 922 SSD_MIN_SIZE, 923 /*timeout*/60 * 1000); 924 break; 925 } 926 goto done; 927 } 928 case PROBE_SERIAL_NUM: 929 { 930 struct scsi_vpd_unit_serial_number *serial_buf; 931 struct cam_ed* device; 932 933 serial_buf = NULL; 934 device = periph->path->device; 935 if (device->serial_num != NULL) { 936 free(device->serial_num, M_CAMXPT); 937 device->serial_num = NULL; 938 device->serial_num_len = 0; 939 } 940 941 if (scsi_vpd_supported_page(periph, SVPD_UNIT_SERIAL_NUMBER)) 942 serial_buf = (struct scsi_vpd_unit_serial_number *) 943 malloc(sizeof(*serial_buf), M_CAMXPT, 944 M_NOWAIT|M_ZERO); 945 946 if (serial_buf != NULL) { 947 scsi_inquiry(csio, 948 /*retries*/4, 949 probedone, 950 MSG_SIMPLE_Q_TAG, 951 (u_int8_t *)serial_buf, 952 sizeof(*serial_buf), 953 /*evpd*/TRUE, 954 SVPD_UNIT_SERIAL_NUMBER, 955 SSD_MIN_SIZE, 956 /*timeout*/60 * 1000); 957 break; 958 } 959 goto done; 960 } 961 default: 962 panic("probestart: invalid action state 0x%x\n", softc->action); 963 } 964 start_ccb->ccb_h.flags |= CAM_DEV_QFREEZE; 965 cam_periph_doacquire(periph); 966 xpt_action(start_ccb); 967} 968 969static void 970proberequestdefaultnegotiation(struct cam_periph *periph) 971{ 972 struct ccb_trans_settings cts; 973 974 xpt_setup_ccb(&cts.ccb_h, periph->path, CAM_PRIORITY_NONE); 975 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 976 cts.type = CTS_TYPE_USER_SETTINGS; 977 xpt_action((union ccb *)&cts); 978 if (cam_ccb_status((union ccb *)&cts) != CAM_REQ_CMP) { 979 return; 980 } 981 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 982 cts.type = CTS_TYPE_CURRENT_SETTINGS; 983 xpt_action((union ccb *)&cts); 984} 985 986/* 987 * Backoff Negotiation Code- only pertinent for SPI devices. 988 */ 989static int 990proberequestbackoff(struct cam_periph *periph, struct cam_ed *device) 991{ 992 struct ccb_trans_settings cts; 993 struct ccb_trans_settings_spi *spi; 994 995 memset(&cts, 0, sizeof (cts)); 996 xpt_setup_ccb(&cts.ccb_h, periph->path, CAM_PRIORITY_NONE); 997 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 998 cts.type = CTS_TYPE_CURRENT_SETTINGS; 999 xpt_action((union ccb *)&cts); 1000 if (cam_ccb_status((union ccb *)&cts) != CAM_REQ_CMP) { 1001 if (bootverbose) { 1002 xpt_print(periph->path, 1003 "failed to get current device settings\n"); 1004 } 1005 return (0); 1006 } 1007 if (cts.transport != XPORT_SPI) { 1008 if (bootverbose) { 1009 xpt_print(periph->path, "not SPI transport\n"); 1010 } 1011 return (0); 1012 } 1013 spi = &cts.xport_specific.spi; 1014 1015 /* 1016 * We cannot renegotiate sync rate if we don't have one. 1017 */ 1018 if ((spi->valid & CTS_SPI_VALID_SYNC_RATE) == 0) { 1019 if (bootverbose) { 1020 xpt_print(periph->path, "no sync rate known\n"); 1021 } 1022 return (0); 1023 } 1024 1025 /* 1026 * We'll assert that we don't have to touch PPR options- the 1027 * SIM will see what we do with period and offset and adjust 1028 * the PPR options as appropriate. 1029 */ 1030 1031 /* 1032 * A sync rate with unknown or zero offset is nonsensical. 1033 * A sync period of zero means Async. 1034 */ 1035 if ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) == 0 1036 || spi->sync_offset == 0 || spi->sync_period == 0) { 1037 if (bootverbose) { 1038 xpt_print(periph->path, "no sync rate available\n"); 1039 } 1040 return (0); 1041 } 1042 1043 if (device->flags & CAM_DEV_DV_HIT_BOTTOM) { 1044 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, 1045 ("hit async: giving up on DV\n")); 1046 return (0); 1047 } 1048 1049 1050 /* 1051 * Jump sync_period up by one, but stop at 5MHz and fall back to Async. 1052 * We don't try to remember 'last' settings to see if the SIM actually 1053 * gets into the speed we want to set. We check on the SIM telling 1054 * us that a requested speed is bad, but otherwise don't try and 1055 * check the speed due to the asynchronous and handshake nature 1056 * of speed setting. 1057 */ 1058 spi->valid = CTS_SPI_VALID_SYNC_RATE | CTS_SPI_VALID_SYNC_OFFSET; 1059 for (;;) { 1060 spi->sync_period++; 1061 if (spi->sync_period >= 0xf) { 1062 spi->sync_period = 0; 1063 spi->sync_offset = 0; 1064 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, 1065 ("setting to async for DV\n")); 1066 /* 1067 * Once we hit async, we don't want to try 1068 * any more settings. 1069 */ 1070 device->flags |= CAM_DEV_DV_HIT_BOTTOM; 1071 } else if (bootverbose) { 1072 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, 1073 ("DV: period 0x%x\n", spi->sync_period)); 1074 printf("setting period to 0x%x\n", spi->sync_period); 1075 } 1076 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 1077 cts.type = CTS_TYPE_CURRENT_SETTINGS; 1078 xpt_action((union ccb *)&cts); 1079 if (cam_ccb_status((union ccb *)&cts) != CAM_REQ_CMP) { 1080 break; 1081 } 1082 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, 1083 ("DV: failed to set period 0x%x\n", spi->sync_period)); 1084 if (spi->sync_period == 0) { 1085 return (0); 1086 } 1087 } 1088 return (1); 1089} 1090 1091#define CCB_COMPLETED_OK(ccb) (((ccb).status & CAM_STATUS_MASK) == CAM_REQ_CMP) 1092 1093static void 1094probedone(struct cam_periph *periph, union ccb *done_ccb) 1095{ 1096 probe_softc *softc; 1097 struct cam_path *path; 1098 u_int32_t priority; 1099 1100 CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_TRACE, ("probedone\n")); 1101 1102 softc = (probe_softc *)periph->softc; 1103 path = done_ccb->ccb_h.path; 1104 priority = done_ccb->ccb_h.pinfo.priority; 1105 1106 switch (softc->action) { 1107 case PROBE_TUR: 1108 { 1109 if (cam_ccb_status(done_ccb) != CAM_REQ_CMP) { 1110 1111 if (cam_periph_error(done_ccb, 0, 1112 SF_NO_PRINT, NULL) == ERESTART) { 1113outr: 1114 /* Drop freeze taken due to CAM_DEV_QFREEZE */ 1115 cam_release_devq(path, 0, 0, 0, FALSE); 1116 return; 1117 } 1118 else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 1119 /* Don't wedge the queue */ 1120 xpt_release_devq(done_ccb->ccb_h.path, 1121 /*count*/1, 1122 /*run_queue*/TRUE); 1123 } 1124 PROBE_SET_ACTION(softc, PROBE_INQUIRY); 1125 xpt_release_ccb(done_ccb); 1126 xpt_schedule(periph, priority); 1127out: 1128 /* Drop freeze taken due to CAM_DEV_QFREEZE and release. */ 1129 cam_release_devq(path, 0, 0, 0, FALSE); 1130 cam_periph_release_locked(periph); 1131 return; 1132 } 1133 case PROBE_INQUIRY: 1134 case PROBE_FULL_INQUIRY: 1135 { 1136 if (cam_ccb_status(done_ccb) == CAM_REQ_CMP) { 1137 struct scsi_inquiry_data *inq_buf; 1138 u_int8_t periph_qual; 1139 1140 path->device->flags |= CAM_DEV_INQUIRY_DATA_VALID; 1141 scsi_find_quirk(path->device); 1142 inq_buf = &path->device->inq_data; 1143 1144 periph_qual = SID_QUAL(inq_buf); 1145 1146 if (periph_qual == SID_QUAL_LU_CONNECTED) { 1147 u_int8_t len; 1148 1149 /* 1150 * We conservatively request only 1151 * SHORT_INQUIRY_LEN bytes of inquiry 1152 * information during our first try 1153 * at sending an INQUIRY. If the device 1154 * has more information to give, 1155 * perform a second request specifying 1156 * the amount of information the device 1157 * is willing to give. 1158 */ 1159 len = inq_buf->additional_length 1160 + offsetof(struct scsi_inquiry_data, 1161 additional_length) + 1; 1162 if (softc->action == PROBE_INQUIRY 1163 && len > SHORT_INQUIRY_LENGTH) { 1164 PROBE_SET_ACTION(softc, PROBE_FULL_INQUIRY); 1165 xpt_release_ccb(done_ccb); 1166 xpt_schedule(periph, priority); 1167 goto out; 1168 } 1169 1170 scsi_devise_transport(path); 1171 1172 if (path->device->lun_id == 0 && 1173 SID_ANSI_REV(inq_buf) > SCSI_REV_SPC2 && 1174 (SCSI_QUIRK(path->device)->quirks & 1175 CAM_QUIRK_NORPTLUNS) == 0) { 1176 PROBE_SET_ACTION(softc, 1177 PROBE_REPORT_LUNS); 1178 /* 1179 * Start with room for *one* lun. 1180 */ 1181 periph->path->target->rpl_size = 16; 1182 } else if (INQ_DATA_TQ_ENABLED(inq_buf)) 1183 PROBE_SET_ACTION(softc, 1184 PROBE_MODE_SENSE); 1185 else 1186 PROBE_SET_ACTION(softc, 1187 PROBE_SUPPORTED_VPD_LIST); 1188 1189 if (path->device->flags & CAM_DEV_UNCONFIGURED) { 1190 path->device->flags &= ~CAM_DEV_UNCONFIGURED; 1191 xpt_acquire_device(path->device); 1192 } 1193 xpt_release_ccb(done_ccb); 1194 xpt_schedule(periph, priority); 1195 goto out; 1196 } else if (path->device->lun_id == 0 && 1197 SID_ANSI_REV(inq_buf) > SCSI_REV_SPC2 && 1198 (SCSI_QUIRK(path->device)->quirks & 1199 CAM_QUIRK_NORPTLUNS) == 0) { 1200 if (path->device->flags & 1201 CAM_DEV_UNCONFIGURED) { 1202 path->device->flags &= 1203 ~CAM_DEV_UNCONFIGURED; 1204 xpt_acquire_device(path->device); 1205 } 1206 PROBE_SET_ACTION(softc, PROBE_REPORT_LUNS); 1207 periph->path->target->rpl_size = 16; 1208 xpt_release_ccb(done_ccb); 1209 xpt_schedule(periph, priority); 1210 goto out; 1211 } 1212 } else if (cam_periph_error(done_ccb, 0, 1213 done_ccb->ccb_h.target_lun > 0 1214 ? SF_RETRY_UA|SF_QUIET_IR 1215 : SF_RETRY_UA, 1216 &softc->saved_ccb) == ERESTART) { 1217 goto outr; 1218 } else { 1219 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1220 /* Don't wedge the queue */ 1221 xpt_release_devq(done_ccb->ccb_h.path, 1222 /*count*/1, /*run_queue*/TRUE); 1223 } 1224 path->device->flags &= ~CAM_DEV_INQUIRY_DATA_VALID; 1225 } 1226 /* 1227 * If we get to this point, we got an error status back 1228 * from the inquiry and the error status doesn't require 1229 * automatically retrying the command. Therefore, the 1230 * inquiry failed. If we had inquiry information before 1231 * for this device, but this latest inquiry command failed, 1232 * the device has probably gone away. If this device isn't 1233 * already marked unconfigured, notify the peripheral 1234 * drivers that this device is no more. 1235 */ 1236 if ((path->device->flags & CAM_DEV_UNCONFIGURED) == 0) 1237 /* Send the async notification. */ 1238 xpt_async(AC_LOST_DEVICE, path, NULL); 1239 PROBE_SET_ACTION(softc, PROBE_INVALID); 1240 1241 xpt_release_ccb(done_ccb); 1242 break; 1243 } 1244 case PROBE_REPORT_LUNS: 1245 { 1246 struct ccb_scsiio *csio; 1247 struct scsi_report_luns_data *lp; 1248 u_int nlun, maxlun; 1249 1250 csio = &done_ccb->csio; 1251 1252 lp = (struct scsi_report_luns_data *)csio->data_ptr; 1253 nlun = scsi_4btoul(lp->length) / 8; 1254 maxlun = (csio->dxfer_len / 8) - 1; 1255 1256 if (cam_ccb_status(done_ccb) != CAM_REQ_CMP) { 1257 if (cam_periph_error(done_ccb, 0, 1258 done_ccb->ccb_h.target_lun > 0 ? 1259 SF_RETRY_UA|SF_QUIET_IR : SF_RETRY_UA, 1260 &softc->saved_ccb) == ERESTART) { 1261 goto outr; 1262 } 1263 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1264 xpt_release_devq(done_ccb->ccb_h.path, 1, 1265 TRUE); 1266 } 1267 free(lp, M_CAMXPT); 1268 lp = NULL; 1269 } else if (nlun > maxlun) { 1270 /* 1271 * Reallocate and retry to cover all luns 1272 */ 1273 CAM_DEBUG(path, CAM_DEBUG_PROBE, 1274 ("Probe: reallocating REPORT_LUNS for %u luns\n", 1275 nlun)); 1276 free(lp, M_CAMXPT); 1277 path->target->rpl_size = (nlun << 3) + 8; 1278 xpt_release_ccb(done_ccb); 1279 xpt_schedule(periph, priority); 1280 goto out; 1281 } else if (nlun == 0) { 1282 /* 1283 * If there don't appear to be any luns, bail. 1284 */ 1285 free(lp, M_CAMXPT); 1286 lp = NULL; 1287 } else { 1288 lun_id_t lun; 1289 int idx; 1290 1291 CAM_DEBUG(path, CAM_DEBUG_PROBE, 1292 ("Probe: %u lun(s) reported\n", nlun)); 1293 1294 CAM_GET_LUN(lp, 0, lun); 1295 /* 1296 * If the first lun is not lun 0, then either there 1297 * is no lun 0 in the list, or the list is unsorted. 1298 */ 1299 if (lun != 0) { 1300 for (idx = 0; idx < nlun; idx++) { 1301 CAM_GET_LUN(lp, idx, lun); 1302 if (lun == 0) { 1303 break; 1304 } 1305 } 1306 if (idx != nlun) { 1307 uint8_t tlun[8]; 1308 memcpy(tlun, 1309 lp->luns[0].lundata, 8); 1310 memcpy(lp->luns[0].lundata, 1311 lp->luns[idx].lundata, 8); 1312 memcpy(lp->luns[idx].lundata, 1313 tlun, 8); 1314 CAM_DEBUG(path, CAM_DEBUG_PROBE, 1315 ("lun 0 in position %u\n", idx)); 1316 } else { 1317 /* 1318 * There is no lun 0 in our list. Destroy 1319 * the validity of the inquiry data so we 1320 * bail here and now. 1321 */ 1322 path->device->flags &= 1323 ~CAM_DEV_INQUIRY_DATA_VALID; 1324 } 1325 } 1326 /* 1327 * If we have an old lun list, We can either 1328 * retest luns that appear to have been dropped, 1329 * or just nuke them. We'll opt for the latter. 1330 * This function will also install the new list 1331 * in the target structure. 1332 */ 1333 probe_purge_old(path, lp, softc->flags); 1334 lp = NULL; 1335 } 1336 if (path->device->flags & CAM_DEV_INQUIRY_DATA_VALID) { 1337 struct scsi_inquiry_data *inq_buf; 1338 inq_buf = &path->device->inq_data; 1339 if (INQ_DATA_TQ_ENABLED(inq_buf)) 1340 PROBE_SET_ACTION(softc, PROBE_MODE_SENSE); 1341 else 1342 PROBE_SET_ACTION(softc, 1343 PROBE_SUPPORTED_VPD_LIST); 1344 xpt_release_ccb(done_ccb); 1345 xpt_schedule(periph, priority); 1346 goto out; 1347 } 1348 if (lp) { 1349 free(lp, M_CAMXPT); 1350 } 1351 break; 1352 } 1353 case PROBE_MODE_SENSE: 1354 { 1355 struct ccb_scsiio *csio; 1356 struct scsi_mode_header_6 *mode_hdr; 1357 1358 csio = &done_ccb->csio; 1359 mode_hdr = (struct scsi_mode_header_6 *)csio->data_ptr; 1360 if (cam_ccb_status(done_ccb) == CAM_REQ_CMP) { 1361 struct scsi_control_page *page; 1362 u_int8_t *offset; 1363 1364 offset = ((u_int8_t *)&mode_hdr[1]) 1365 + mode_hdr->blk_desc_len; 1366 page = (struct scsi_control_page *)offset; 1367 path->device->queue_flags = page->queue_flags; 1368 } else if (cam_periph_error(done_ccb, 0, 1369 SF_RETRY_UA|SF_NO_PRINT, 1370 &softc->saved_ccb) == ERESTART) { 1371 goto outr; 1372 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1373 /* Don't wedge the queue */ 1374 xpt_release_devq(done_ccb->ccb_h.path, 1375 /*count*/1, /*run_queue*/TRUE); 1376 } 1377 xpt_release_ccb(done_ccb); 1378 free(mode_hdr, M_CAMXPT); 1379 PROBE_SET_ACTION(softc, PROBE_SUPPORTED_VPD_LIST); 1380 xpt_schedule(periph, priority); 1381 goto out; 1382 } 1383 case PROBE_SUPPORTED_VPD_LIST: 1384 { 1385 struct ccb_scsiio *csio; 1386 struct scsi_vpd_supported_page_list *page_list; 1387 1388 csio = &done_ccb->csio; 1389 page_list = 1390 (struct scsi_vpd_supported_page_list *)csio->data_ptr; 1391 1392 if (path->device->supported_vpds != NULL) { 1393 free(path->device->supported_vpds, M_CAMXPT); 1394 path->device->supported_vpds = NULL; 1395 path->device->supported_vpds_len = 0; 1396 } 1397 1398 if (page_list == NULL) { 1399 /* 1400 * Don't process the command as it was never sent 1401 */ 1402 } else if (CCB_COMPLETED_OK(csio->ccb_h)) { 1403 /* Got vpd list */ 1404 path->device->supported_vpds_len = page_list->length + 1405 SVPD_SUPPORTED_PAGES_HDR_LEN; 1406 path->device->supported_vpds = (uint8_t *)page_list; 1407 xpt_release_ccb(done_ccb); 1408 PROBE_SET_ACTION(softc, PROBE_DEVICE_ID); 1409 xpt_schedule(periph, priority); 1410 goto out; 1411 } else if (cam_periph_error(done_ccb, 0, 1412 SF_RETRY_UA|SF_NO_PRINT, 1413 &softc->saved_ccb) == ERESTART) { 1414 goto outr; 1415 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1416 /* Don't wedge the queue */ 1417 xpt_release_devq(done_ccb->ccb_h.path, /*count*/1, 1418 /*run_queue*/TRUE); 1419 } 1420 1421 if (page_list) 1422 free(page_list, M_CAMXPT); 1423 /* No VPDs available, skip to device check. */ 1424 csio->data_ptr = NULL; 1425 goto probe_device_check; 1426 } 1427 case PROBE_DEVICE_ID: 1428 { 1429 struct scsi_vpd_device_id *devid; 1430 struct ccb_scsiio *csio; 1431 uint32_t length = 0; 1432 1433 csio = &done_ccb->csio; 1434 devid = (struct scsi_vpd_device_id *)csio->data_ptr; 1435 1436 /* Clean up from previous instance of this device */ 1437 if (path->device->device_id != NULL) { 1438 path->device->device_id_len = 0; 1439 free(path->device->device_id, M_CAMXPT); 1440 path->device->device_id = NULL; 1441 } 1442 1443 if (devid == NULL) { 1444 /* Don't process the command as it was never sent */ 1445 } else if (CCB_COMPLETED_OK(csio->ccb_h)) { 1446 length = scsi_2btoul(devid->length); 1447 if (length != 0) { 1448 /* 1449 * NB: device_id_len is actual response 1450 * size, not buffer size. 1451 */ 1452 path->device->device_id_len = length + 1453 SVPD_DEVICE_ID_HDR_LEN; 1454 path->device->device_id = (uint8_t *)devid; 1455 } 1456 } else if (cam_periph_error(done_ccb, 0, 1457 SF_RETRY_UA, 1458 &softc->saved_ccb) == ERESTART) { 1459 goto outr; 1460 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1461 /* Don't wedge the queue */ 1462 xpt_release_devq(done_ccb->ccb_h.path, /*count*/1, 1463 /*run_queue*/TRUE); 1464 } 1465 1466 /* Free the device id space if we don't use it */ 1467 if (devid && length == 0) 1468 free(devid, M_CAMXPT); 1469 xpt_release_ccb(done_ccb); 1470 PROBE_SET_ACTION(softc, PROBE_SERIAL_NUM); 1471 xpt_schedule(periph, priority); 1472 goto out; 1473 } 1474 1475probe_device_check: 1476 case PROBE_SERIAL_NUM: 1477 { 1478 struct ccb_scsiio *csio; 1479 struct scsi_vpd_unit_serial_number *serial_buf; 1480 u_int32_t priority; 1481 int changed; 1482 int have_serialnum; 1483 1484 changed = 1; 1485 have_serialnum = 0; 1486 csio = &done_ccb->csio; 1487 priority = done_ccb->ccb_h.pinfo.priority; 1488 serial_buf = 1489 (struct scsi_vpd_unit_serial_number *)csio->data_ptr; 1490 1491 if (serial_buf == NULL) { 1492 /* 1493 * Don't process the command as it was never sent 1494 */ 1495 } else if (cam_ccb_status(done_ccb) == CAM_REQ_CMP 1496 && (serial_buf->length > 0)) { 1497 1498 have_serialnum = 1; 1499 path->device->serial_num = 1500 (u_int8_t *)malloc((serial_buf->length + 1), 1501 M_CAMXPT, M_NOWAIT); 1502 if (path->device->serial_num != NULL) { 1503 memcpy(path->device->serial_num, 1504 serial_buf->serial_num, 1505 serial_buf->length); 1506 path->device->serial_num_len = 1507 serial_buf->length; 1508 path->device->serial_num[serial_buf->length] 1509 = '\0'; 1510 } 1511 } else if (cam_periph_error(done_ccb, 0, 1512 SF_RETRY_UA|SF_NO_PRINT, 1513 &softc->saved_ccb) == ERESTART) { 1514 goto outr; 1515 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1516 /* Don't wedge the queue */ 1517 xpt_release_devq(done_ccb->ccb_h.path, /*count*/1, 1518 /*run_queue*/TRUE); 1519 } 1520 1521 /* 1522 * Let's see if we have seen this device before. 1523 */ 1524 if ((softc->flags & PROBE_INQUIRY_CKSUM) != 0) { 1525 MD5_CTX context; 1526 u_int8_t digest[16]; 1527 1528 MD5Init(&context); 1529 1530 MD5Update(&context, 1531 (unsigned char *)&path->device->inq_data, 1532 sizeof(struct scsi_inquiry_data)); 1533 1534 if (have_serialnum) 1535 MD5Update(&context, serial_buf->serial_num, 1536 serial_buf->length); 1537 1538 MD5Final(digest, &context); 1539 if (bcmp(softc->digest, digest, 16) == 0) 1540 changed = 0; 1541 1542 /* 1543 * XXX Do we need to do a TUR in order to ensure 1544 * that the device really hasn't changed??? 1545 */ 1546 if ((changed != 0) 1547 && ((softc->flags & PROBE_NO_ANNOUNCE) == 0)) 1548 xpt_async(AC_LOST_DEVICE, path, NULL); 1549 } 1550 if (serial_buf != NULL) 1551 free(serial_buf, M_CAMXPT); 1552 1553 if (changed != 0) { 1554 /* 1555 * Now that we have all the necessary 1556 * information to safely perform transfer 1557 * negotiations... Controllers don't perform 1558 * any negotiation or tagged queuing until 1559 * after the first XPT_SET_TRAN_SETTINGS ccb is 1560 * received. So, on a new device, just retrieve 1561 * the user settings, and set them as the current 1562 * settings to set the device up. 1563 */ 1564 proberequestdefaultnegotiation(periph); 1565 xpt_release_ccb(done_ccb); 1566 1567 /* 1568 * Perform a TUR to allow the controller to 1569 * perform any necessary transfer negotiation. 1570 */ 1571 PROBE_SET_ACTION(softc, PROBE_TUR_FOR_NEGOTIATION); 1572 xpt_schedule(periph, priority); 1573 goto out; 1574 } 1575 xpt_release_ccb(done_ccb); 1576 break; 1577 } 1578 case PROBE_TUR_FOR_NEGOTIATION: 1579 case PROBE_DV_EXIT: 1580 if (cam_ccb_status(done_ccb) != CAM_REQ_CMP) { 1581 cam_periph_error(done_ccb, 0, 1582 SF_NO_PRINT | SF_NO_RECOVERY | SF_NO_RETRY, NULL); 1583 } 1584 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1585 /* Don't wedge the queue */ 1586 xpt_release_devq(done_ccb->ccb_h.path, /*count*/1, 1587 /*run_queue*/TRUE); 1588 } 1589 /* 1590 * Do Domain Validation for lun 0 on devices that claim 1591 * to support Synchronous Transfer modes. 1592 */ 1593 if (softc->action == PROBE_TUR_FOR_NEGOTIATION 1594 && done_ccb->ccb_h.target_lun == 0 1595 && (path->device->inq_data.flags & SID_Sync) != 0 1596 && (path->device->flags & CAM_DEV_IN_DV) == 0) { 1597 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, 1598 ("Begin Domain Validation\n")); 1599 path->device->flags |= CAM_DEV_IN_DV; 1600 xpt_release_ccb(done_ccb); 1601 PROBE_SET_ACTION(softc, PROBE_INQUIRY_BASIC_DV1); 1602 xpt_schedule(periph, priority); 1603 goto out; 1604 } 1605 if (softc->action == PROBE_DV_EXIT) { 1606 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, 1607 ("Leave Domain Validation\n")); 1608 } 1609 if (path->device->flags & CAM_DEV_UNCONFIGURED) { 1610 path->device->flags &= ~CAM_DEV_UNCONFIGURED; 1611 xpt_acquire_device(path->device); 1612 } 1613 path->device->flags &= 1614 ~(CAM_DEV_IN_DV|CAM_DEV_DV_HIT_BOTTOM); 1615 if ((softc->flags & PROBE_NO_ANNOUNCE) == 0) { 1616 /* Inform the XPT that a new device has been found */ 1617 done_ccb->ccb_h.func_code = XPT_GDEV_TYPE; 1618 xpt_action(done_ccb); 1619 xpt_async(AC_FOUND_DEVICE, done_ccb->ccb_h.path, 1620 done_ccb); 1621 } 1622 PROBE_SET_ACTION(softc, PROBE_DONE); 1623 xpt_release_ccb(done_ccb); 1624 break; 1625 case PROBE_INQUIRY_BASIC_DV1: 1626 case PROBE_INQUIRY_BASIC_DV2: 1627 { 1628 struct scsi_inquiry_data *nbuf; 1629 struct ccb_scsiio *csio; 1630 1631 if (cam_ccb_status(done_ccb) != CAM_REQ_CMP) { 1632 cam_periph_error(done_ccb, 0, 1633 SF_NO_PRINT | SF_NO_RECOVERY | SF_NO_RETRY, NULL); 1634 } 1635 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1636 /* Don't wedge the queue */ 1637 xpt_release_devq(done_ccb->ccb_h.path, /*count*/1, 1638 /*run_queue*/TRUE); 1639 } 1640 csio = &done_ccb->csio; 1641 nbuf = (struct scsi_inquiry_data *)csio->data_ptr; 1642 if (bcmp(nbuf, &path->device->inq_data, SHORT_INQUIRY_LENGTH)) { 1643 xpt_print(path, 1644 "inquiry data fails comparison at DV%d step\n", 1645 softc->action == PROBE_INQUIRY_BASIC_DV1 ? 1 : 2); 1646 if (proberequestbackoff(periph, path->device)) { 1647 path->device->flags &= ~CAM_DEV_IN_DV; 1648 PROBE_SET_ACTION(softc, PROBE_TUR_FOR_NEGOTIATION); 1649 } else { 1650 /* give up */ 1651 PROBE_SET_ACTION(softc, PROBE_DV_EXIT); 1652 } 1653 free(nbuf, M_CAMXPT); 1654 xpt_release_ccb(done_ccb); 1655 xpt_schedule(periph, priority); 1656 goto out; 1657 } 1658 free(nbuf, M_CAMXPT); 1659 if (softc->action == PROBE_INQUIRY_BASIC_DV1) { 1660 PROBE_SET_ACTION(softc, PROBE_INQUIRY_BASIC_DV2); 1661 xpt_release_ccb(done_ccb); 1662 xpt_schedule(periph, priority); 1663 goto out; 1664 } 1665 if (softc->action == PROBE_INQUIRY_BASIC_DV2) { 1666 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, 1667 ("Leave Domain Validation Successfully\n")); 1668 } 1669 if (path->device->flags & CAM_DEV_UNCONFIGURED) { 1670 path->device->flags &= ~CAM_DEV_UNCONFIGURED; 1671 xpt_acquire_device(path->device); 1672 } 1673 path->device->flags &= 1674 ~(CAM_DEV_IN_DV|CAM_DEV_DV_HIT_BOTTOM); 1675 if ((softc->flags & PROBE_NO_ANNOUNCE) == 0) { 1676 /* Inform the XPT that a new device has been found */ 1677 done_ccb->ccb_h.func_code = XPT_GDEV_TYPE; 1678 xpt_action(done_ccb); 1679 xpt_async(AC_FOUND_DEVICE, done_ccb->ccb_h.path, 1680 done_ccb); 1681 } 1682 PROBE_SET_ACTION(softc, PROBE_DONE); 1683 xpt_release_ccb(done_ccb); 1684 break; 1685 } 1686 default: 1687 panic("probedone: invalid action state 0x%x\n", softc->action); 1688 } 1689 done_ccb = (union ccb *)TAILQ_FIRST(&softc->request_ccbs); 1690 TAILQ_REMOVE(&softc->request_ccbs, &done_ccb->ccb_h, periph_links.tqe); 1691 done_ccb->ccb_h.status = CAM_REQ_CMP; 1692 xpt_done(done_ccb); 1693 if (TAILQ_FIRST(&softc->request_ccbs) == NULL) { 1694 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, ("Probe completed\n")); 1695 /* Drop freeze taken due to CAM_DEV_QFREEZE flag set. */ 1696 cam_release_devq(path, 0, 0, 0, FALSE); 1697 cam_periph_release_locked(periph); 1698 cam_periph_invalidate(periph); 1699 cam_periph_release_locked(periph); 1700 } else { 1701 probeschedule(periph); 1702 goto out; 1703 } 1704} 1705 1706static void 1707probe_purge_old(struct cam_path *path, struct scsi_report_luns_data *new, 1708 probe_flags flags) 1709{ 1710 struct cam_path *tp; 1711 struct scsi_report_luns_data *old; 1712 u_int idx1, idx2, nlun_old, nlun_new; 1713 lun_id_t this_lun; 1714 u_int8_t *ol, *nl; 1715 1716 if (path->target == NULL) { 1717 return; 1718 } 1719 mtx_lock(&path->target->luns_mtx); 1720 old = path->target->luns; 1721 path->target->luns = new; 1722 mtx_unlock(&path->target->luns_mtx); 1723 if (old == NULL) 1724 return; 1725 nlun_old = scsi_4btoul(old->length) / 8; 1726 nlun_new = scsi_4btoul(new->length) / 8; 1727 1728 /* 1729 * We are not going to assume sorted lists. Deal. 1730 */ 1731 for (idx1 = 0; idx1 < nlun_old; idx1++) { 1732 ol = old->luns[idx1].lundata; 1733 for (idx2 = 0; idx2 < nlun_new; idx2++) { 1734 nl = new->luns[idx2].lundata; 1735 if (memcmp(nl, ol, 8) == 0) { 1736 break; 1737 } 1738 } 1739 if (idx2 < nlun_new) { 1740 continue; 1741 } 1742 /* 1743 * An 'old' item not in the 'new' list. 1744 * Nuke it. Except that if it is lun 0, 1745 * that would be what the probe state 1746 * machine is currently working on, 1747 * so we won't do that. 1748 */ 1749 CAM_GET_LUN(old, idx1, this_lun); 1750 if (this_lun == 0) { 1751 continue; 1752 } 1753 1754 /* 1755 * We also cannot nuke it if it is 1756 * not in a lun format we understand 1757 * and replace the LUN with a "simple" LUN 1758 * if that is all the HBA supports. 1759 */ 1760 if (!(flags & PROBE_EXTLUN)) { 1761 if (!CAM_CAN_GET_SIMPLE_LUN(old, idx1)) 1762 continue; 1763 CAM_GET_SIMPLE_LUN(old, idx1, this_lun); 1764 } 1765 if (!CAM_LUN_ONLY_32BITS(old, idx1)) 1766 continue; 1767 1768 if (xpt_create_path(&tp, NULL, xpt_path_path_id(path), 1769 xpt_path_target_id(path), this_lun) == CAM_REQ_CMP) { 1770 xpt_async(AC_LOST_DEVICE, tp, NULL); 1771 xpt_free_path(tp); 1772 } 1773 } 1774 free(old, M_CAMXPT); 1775} 1776 1777static void 1778probecleanup(struct cam_periph *periph) 1779{ 1780 free(periph->softc, M_CAMXPT); 1781} 1782 1783static void 1784scsi_find_quirk(struct cam_ed *device) 1785{ 1786 struct scsi_quirk_entry *quirk; 1787 caddr_t match; 1788 1789 match = cam_quirkmatch((caddr_t)&device->inq_data, 1790 (caddr_t)scsi_quirk_table, 1791 sizeof(scsi_quirk_table) / 1792 sizeof(*scsi_quirk_table), 1793 sizeof(*scsi_quirk_table), scsi_inquiry_match); 1794 1795 if (match == NULL) 1796 panic("xpt_find_quirk: device didn't match wildcard entry!!"); 1797 1798 quirk = (struct scsi_quirk_entry *)match; 1799 device->quirk = quirk; 1800 device->mintags = quirk->mintags; 1801 device->maxtags = quirk->maxtags; 1802} 1803 1804static int 1805sysctl_cam_search_luns(SYSCTL_HANDLER_ARGS) 1806{ 1807 int error, val; 1808 1809 val = cam_srch_hi; 1810 error = sysctl_handle_int(oidp, &val, 0, req); 1811 if (error != 0 || req->newptr == NULL) 1812 return (error); 1813 if (val == 0 || val == 1) { 1814 cam_srch_hi = val; 1815 return (0); 1816 } else { 1817 return (EINVAL); 1818 } 1819} 1820 1821typedef struct { 1822 union ccb *request_ccb; 1823 struct ccb_pathinq *cpi; 1824 int counter; 1825 int lunindex[0]; 1826} scsi_scan_bus_info; 1827 1828/* 1829 * To start a scan, request_ccb is an XPT_SCAN_BUS ccb. 1830 * As the scan progresses, scsi_scan_bus is used as the 1831 * callback on completion function. 1832 */ 1833static void 1834scsi_scan_bus(struct cam_periph *periph, union ccb *request_ccb) 1835{ 1836 struct mtx *mtx; 1837 1838 CAM_DEBUG(request_ccb->ccb_h.path, CAM_DEBUG_TRACE, 1839 ("scsi_scan_bus\n")); 1840 switch (request_ccb->ccb_h.func_code) { 1841 case XPT_SCAN_BUS: 1842 case XPT_SCAN_TGT: 1843 { 1844 scsi_scan_bus_info *scan_info; 1845 union ccb *work_ccb, *reset_ccb; 1846 struct cam_path *path; 1847 u_int i; 1848 u_int low_target, max_target; 1849 u_int initiator_id; 1850 1851 /* Find out the characteristics of the bus */ 1852 work_ccb = xpt_alloc_ccb_nowait(); 1853 if (work_ccb == NULL) { 1854 request_ccb->ccb_h.status = CAM_RESRC_UNAVAIL; 1855 xpt_done(request_ccb); 1856 return; 1857 } 1858 xpt_setup_ccb(&work_ccb->ccb_h, request_ccb->ccb_h.path, 1859 request_ccb->ccb_h.pinfo.priority); 1860 work_ccb->ccb_h.func_code = XPT_PATH_INQ; 1861 xpt_action(work_ccb); 1862 if (work_ccb->ccb_h.status != CAM_REQ_CMP) { 1863 request_ccb->ccb_h.status = work_ccb->ccb_h.status; 1864 xpt_free_ccb(work_ccb); 1865 xpt_done(request_ccb); 1866 return; 1867 } 1868 1869 if ((work_ccb->cpi.hba_misc & PIM_NOINITIATOR) != 0) { 1870 /* 1871 * Can't scan the bus on an adapter that 1872 * cannot perform the initiator role. 1873 */ 1874 request_ccb->ccb_h.status = CAM_REQ_CMP; 1875 xpt_free_ccb(work_ccb); 1876 xpt_done(request_ccb); 1877 return; 1878 } 1879 1880 /* We may need to reset bus first, if we haven't done it yet. */ 1881 if ((work_ccb->cpi.hba_inquiry & 1882 (PI_WIDE_32|PI_WIDE_16|PI_SDTR_ABLE)) && 1883 !(work_ccb->cpi.hba_misc & PIM_NOBUSRESET) && 1884 !timevalisset(&request_ccb->ccb_h.path->bus->last_reset) && 1885 (reset_ccb = xpt_alloc_ccb_nowait()) != NULL) { 1886 xpt_setup_ccb(&reset_ccb->ccb_h, request_ccb->ccb_h.path, 1887 CAM_PRIORITY_NONE); 1888 reset_ccb->ccb_h.func_code = XPT_RESET_BUS; 1889 xpt_action(reset_ccb); 1890 if (reset_ccb->ccb_h.status != CAM_REQ_CMP) { 1891 request_ccb->ccb_h.status = reset_ccb->ccb_h.status; 1892 xpt_free_ccb(reset_ccb); 1893 xpt_free_ccb(work_ccb); 1894 xpt_done(request_ccb); 1895 return; 1896 } 1897 xpt_free_ccb(reset_ccb); 1898 } 1899 1900 /* Save some state for use while we probe for devices */ 1901 scan_info = (scsi_scan_bus_info *) malloc(sizeof(scsi_scan_bus_info) + 1902 (work_ccb->cpi.max_target * sizeof (u_int)), M_CAMXPT, M_ZERO|M_NOWAIT); 1903 if (scan_info == NULL) { 1904 request_ccb->ccb_h.status = CAM_RESRC_UNAVAIL; 1905 xpt_free_ccb(work_ccb); 1906 xpt_done(request_ccb); 1907 return; 1908 } 1909 CAM_DEBUG(request_ccb->ccb_h.path, CAM_DEBUG_TRACE, 1910 ("SCAN start for %p\n", scan_info)); 1911 scan_info->request_ccb = request_ccb; 1912 scan_info->cpi = &work_ccb->cpi; 1913 1914 /* Cache on our stack so we can work asynchronously */ 1915 max_target = scan_info->cpi->max_target; 1916 low_target = 0; 1917 initiator_id = scan_info->cpi->initiator_id; 1918 1919 1920 /* 1921 * We can scan all targets in parallel, or do it sequentially. 1922 */ 1923 1924 if (request_ccb->ccb_h.func_code == XPT_SCAN_TGT) { 1925 max_target = low_target = request_ccb->ccb_h.target_id; 1926 scan_info->counter = 0; 1927 } else if (scan_info->cpi->hba_misc & PIM_SEQSCAN) { 1928 max_target = 0; 1929 scan_info->counter = 0; 1930 } else { 1931 scan_info->counter = scan_info->cpi->max_target + 1; 1932 if (scan_info->cpi->initiator_id < scan_info->counter) { 1933 scan_info->counter--; 1934 } 1935 } 1936 mtx = xpt_path_mtx(scan_info->request_ccb->ccb_h.path); 1937 mtx_unlock(mtx); 1938 1939 for (i = low_target; i <= max_target; i++) { 1940 cam_status status; 1941 if (i == initiator_id) 1942 continue; 1943 1944 status = xpt_create_path(&path, NULL, 1945 request_ccb->ccb_h.path_id, 1946 i, 0); 1947 if (status != CAM_REQ_CMP) { 1948 printf("scsi_scan_bus: xpt_create_path failed" 1949 " with status %#x, bus scan halted\n", 1950 status); 1951 free(scan_info, M_CAMXPT); 1952 request_ccb->ccb_h.status = status; 1953 xpt_free_ccb(work_ccb); 1954 xpt_done(request_ccb); 1955 break; 1956 } 1957 work_ccb = xpt_alloc_ccb_nowait(); 1958 if (work_ccb == NULL) { 1959 xpt_free_ccb((union ccb *)scan_info->cpi); 1960 free(scan_info, M_CAMXPT); 1961 xpt_free_path(path); 1962 request_ccb->ccb_h.status = CAM_RESRC_UNAVAIL; 1963 xpt_done(request_ccb); 1964 break; 1965 } 1966 xpt_setup_ccb(&work_ccb->ccb_h, path, 1967 request_ccb->ccb_h.pinfo.priority); 1968 work_ccb->ccb_h.func_code = XPT_SCAN_LUN; 1969 work_ccb->ccb_h.cbfcnp = scsi_scan_bus; 1970 work_ccb->ccb_h.flags |= CAM_UNLOCKED; 1971 work_ccb->ccb_h.ppriv_ptr0 = scan_info; 1972 work_ccb->crcn.flags = request_ccb->crcn.flags; 1973 xpt_action(work_ccb); 1974 } 1975 1976 mtx_lock(mtx); 1977 break; 1978 } 1979 case XPT_SCAN_LUN: 1980 { 1981 cam_status status; 1982 struct cam_path *path, *oldpath; 1983 scsi_scan_bus_info *scan_info; 1984 struct cam_et *target; 1985 struct cam_ed *device, *nextdev; 1986 int next_target; 1987 path_id_t path_id; 1988 target_id_t target_id; 1989 lun_id_t lun_id; 1990 1991 oldpath = request_ccb->ccb_h.path; 1992 1993 status = cam_ccb_status(request_ccb); 1994 scan_info = (scsi_scan_bus_info *)request_ccb->ccb_h.ppriv_ptr0; 1995 path_id = request_ccb->ccb_h.path_id; 1996 target_id = request_ccb->ccb_h.target_id; 1997 lun_id = request_ccb->ccb_h.target_lun; 1998 target = request_ccb->ccb_h.path->target; 1999 next_target = 1; 2000 2001 mtx = xpt_path_mtx(scan_info->request_ccb->ccb_h.path); 2002 mtx_lock(mtx); 2003 mtx_lock(&target->luns_mtx); 2004 if (target->luns) { 2005 lun_id_t first; 2006 u_int nluns = scsi_4btoul(target->luns->length) / 8; 2007 2008 /* 2009 * Make sure we skip over lun 0 if it's the first member 2010 * of the list as we've actually just finished probing 2011 * it. 2012 */ 2013 CAM_GET_LUN(target->luns, 0, first); 2014 if (first == 0 && scan_info->lunindex[target_id] == 0) { 2015 scan_info->lunindex[target_id]++; 2016 } 2017 2018 /* 2019 * Skip any LUNs that the HBA can't deal with. 2020 */ 2021 while (scan_info->lunindex[target_id] < nluns) { 2022 if (scan_info->cpi->hba_misc & PIM_EXTLUNS) { 2023 CAM_GET_LUN(target->luns, 2024 scan_info->lunindex[target_id], 2025 lun_id); 2026 break; 2027 } 2028 2029 /* XXX print warning? */ 2030 if (!CAM_LUN_ONLY_32BITS(target->luns, 2031 scan_info->lunindex[target_id])) 2032 continue; 2033 if (CAM_CAN_GET_SIMPLE_LUN(target->luns, 2034 scan_info->lunindex[target_id])) { 2035 CAM_GET_SIMPLE_LUN(target->luns, 2036 scan_info->lunindex[target_id], 2037 lun_id); 2038 break; 2039 } 2040 2041 scan_info->lunindex[target_id]++; 2042 } 2043 2044 if (scan_info->lunindex[target_id] < nluns) { 2045 mtx_unlock(&target->luns_mtx); 2046 next_target = 0; 2047 CAM_DEBUG(request_ccb->ccb_h.path, 2048 CAM_DEBUG_PROBE, 2049 ("next lun to try at index %u is %jx\n", 2050 scan_info->lunindex[target_id], 2051 (uintmax_t)lun_id)); 2052 scan_info->lunindex[target_id]++; 2053 } else { 2054 mtx_unlock(&target->luns_mtx); 2055 /* 2056 * We're done with scanning all luns. 2057 * 2058 * Nuke the bogus device for lun 0 if lun 0 2059 * wasn't on the list. 2060 */ 2061 if (first != 0) { 2062 TAILQ_FOREACH(device, 2063 &target->ed_entries, links) { 2064 if (device->lun_id == 0) { 2065 break; 2066 } 2067 } 2068 if (device) { 2069 xpt_release_device(device); 2070 } 2071 } 2072 } 2073 } else { 2074 mtx_unlock(&target->luns_mtx); 2075 device = request_ccb->ccb_h.path->device; 2076 /* Continue sequential LUN scan if: */ 2077 /* -- we have more LUNs that need recheck */ 2078 mtx_lock(&target->bus->eb_mtx); 2079 nextdev = device; 2080 while ((nextdev = TAILQ_NEXT(nextdev, links)) != NULL) 2081 if ((nextdev->flags & CAM_DEV_UNCONFIGURED) == 0) 2082 break; 2083 mtx_unlock(&target->bus->eb_mtx); 2084 if (nextdev != NULL) { 2085 next_target = 0; 2086 /* -- stop if CAM_QUIRK_NOLUNS is set. */ 2087 } else if (SCSI_QUIRK(device)->quirks & CAM_QUIRK_NOLUNS) { 2088 next_target = 1; 2089 /* -- this LUN is connected and its SCSI version 2090 * allows more LUNs. */ 2091 } else if ((device->flags & CAM_DEV_UNCONFIGURED) == 0) { 2092 if (lun_id < (CAM_SCSI2_MAXLUN-1) || 2093 CAN_SRCH_HI_DENSE(device)) 2094 next_target = 0; 2095 /* -- this LUN is disconnected, its SCSI version 2096 * allows more LUNs and we guess they may be. */ 2097 } else if ((device->flags & CAM_DEV_INQUIRY_DATA_VALID) != 0) { 2098 if (lun_id < (CAM_SCSI2_MAXLUN-1) || 2099 CAN_SRCH_HI_SPARSE(device)) 2100 next_target = 0; 2101 } 2102 if (next_target == 0) { 2103 lun_id++; 2104 if (lun_id > scan_info->cpi->max_lun) 2105 next_target = 1; 2106 } 2107 } 2108 2109 /* 2110 * Check to see if we scan any further luns. 2111 */ 2112 if (next_target) { 2113 int done; 2114 2115 /* 2116 * Free the current request path- we're done with it. 2117 */ 2118 xpt_free_path(oldpath); 2119 hop_again: 2120 done = 0; 2121 if (scan_info->request_ccb->ccb_h.func_code == XPT_SCAN_TGT) { 2122 done = 1; 2123 } else if (scan_info->cpi->hba_misc & PIM_SEQSCAN) { 2124 scan_info->counter++; 2125 if (scan_info->counter == 2126 scan_info->cpi->initiator_id) { 2127 scan_info->counter++; 2128 } 2129 if (scan_info->counter >= 2130 scan_info->cpi->max_target+1) { 2131 done = 1; 2132 } 2133 } else { 2134 scan_info->counter--; 2135 if (scan_info->counter == 0) { 2136 done = 1; 2137 } 2138 } 2139 if (done) { 2140 mtx_unlock(mtx); 2141 xpt_free_ccb(request_ccb); 2142 xpt_free_ccb((union ccb *)scan_info->cpi); 2143 request_ccb = scan_info->request_ccb; 2144 CAM_DEBUG(request_ccb->ccb_h.path, 2145 CAM_DEBUG_TRACE, 2146 ("SCAN done for %p\n", scan_info)); 2147 free(scan_info, M_CAMXPT); 2148 request_ccb->ccb_h.status = CAM_REQ_CMP; 2149 xpt_done(request_ccb); 2150 break; 2151 } 2152 2153 if ((scan_info->cpi->hba_misc & PIM_SEQSCAN) == 0) { 2154 mtx_unlock(mtx); 2155 xpt_free_ccb(request_ccb); 2156 break; 2157 } 2158 status = xpt_create_path(&path, NULL, 2159 scan_info->request_ccb->ccb_h.path_id, 2160 scan_info->counter, 0); 2161 if (status != CAM_REQ_CMP) { 2162 mtx_unlock(mtx); 2163 printf("scsi_scan_bus: xpt_create_path failed" 2164 " with status %#x, bus scan halted\n", 2165 status); 2166 xpt_free_ccb(request_ccb); 2167 xpt_free_ccb((union ccb *)scan_info->cpi); 2168 request_ccb = scan_info->request_ccb; 2169 free(scan_info, M_CAMXPT); 2170 request_ccb->ccb_h.status = status; 2171 xpt_done(request_ccb); 2172 break; 2173 } 2174 xpt_setup_ccb(&request_ccb->ccb_h, path, 2175 request_ccb->ccb_h.pinfo.priority); 2176 request_ccb->ccb_h.func_code = XPT_SCAN_LUN; 2177 request_ccb->ccb_h.cbfcnp = scsi_scan_bus; 2178 request_ccb->ccb_h.flags |= CAM_UNLOCKED; 2179 request_ccb->ccb_h.ppriv_ptr0 = scan_info; 2180 request_ccb->crcn.flags = 2181 scan_info->request_ccb->crcn.flags; 2182 } else { 2183 status = xpt_create_path(&path, NULL, 2184 path_id, target_id, lun_id); 2185 /* 2186 * Free the old request path- we're done with it. We 2187 * do this *after* creating the new path so that 2188 * we don't remove a target that has our lun list 2189 * in the case that lun 0 is not present. 2190 */ 2191 xpt_free_path(oldpath); 2192 if (status != CAM_REQ_CMP) { 2193 printf("scsi_scan_bus: xpt_create_path failed " 2194 "with status %#x, halting LUN scan\n", 2195 status); 2196 goto hop_again; 2197 } 2198 xpt_setup_ccb(&request_ccb->ccb_h, path, 2199 request_ccb->ccb_h.pinfo.priority); 2200 request_ccb->ccb_h.func_code = XPT_SCAN_LUN; 2201 request_ccb->ccb_h.cbfcnp = scsi_scan_bus; 2202 request_ccb->ccb_h.flags |= CAM_UNLOCKED; 2203 request_ccb->ccb_h.ppriv_ptr0 = scan_info; 2204 request_ccb->crcn.flags = 2205 scan_info->request_ccb->crcn.flags; 2206 } 2207 mtx_unlock(mtx); 2208 xpt_action(request_ccb); 2209 break; 2210 } 2211 default: 2212 break; 2213 } 2214} 2215 2216static void 2217scsi_scan_lun(struct cam_periph *periph, struct cam_path *path, 2218 cam_flags flags, union ccb *request_ccb) 2219{ 2220 struct ccb_pathinq cpi; 2221 cam_status status; 2222 struct cam_path *new_path; 2223 struct cam_periph *old_periph; 2224 int lock; 2225 2226 CAM_DEBUG(path, CAM_DEBUG_TRACE, ("scsi_scan_lun\n")); 2227 2228 xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NONE); 2229 cpi.ccb_h.func_code = XPT_PATH_INQ; 2230 xpt_action((union ccb *)&cpi); 2231 2232 if (cpi.ccb_h.status != CAM_REQ_CMP) { 2233 if (request_ccb != NULL) { 2234 request_ccb->ccb_h.status = cpi.ccb_h.status; 2235 xpt_done(request_ccb); 2236 } 2237 return; 2238 } 2239 2240 if ((cpi.hba_misc & PIM_NOINITIATOR) != 0) { 2241 /* 2242 * Can't scan the bus on an adapter that 2243 * cannot perform the initiator role. 2244 */ 2245 if (request_ccb != NULL) { 2246 request_ccb->ccb_h.status = CAM_REQ_CMP; 2247 xpt_done(request_ccb); 2248 } 2249 return; 2250 } 2251 2252 if (request_ccb == NULL) { 2253 request_ccb = xpt_alloc_ccb_nowait(); 2254 if (request_ccb == NULL) { 2255 xpt_print(path, "scsi_scan_lun: can't allocate CCB, " 2256 "can't continue\n"); 2257 return; 2258 } 2259 status = xpt_create_path(&new_path, NULL, 2260 path->bus->path_id, 2261 path->target->target_id, 2262 path->device->lun_id); 2263 if (status != CAM_REQ_CMP) { 2264 xpt_print(path, "scsi_scan_lun: can't create path, " 2265 "can't continue\n"); 2266 xpt_free_ccb(request_ccb); 2267 return; 2268 } 2269 xpt_setup_ccb(&request_ccb->ccb_h, new_path, CAM_PRIORITY_XPT); 2270 request_ccb->ccb_h.cbfcnp = xptscandone; 2271 request_ccb->ccb_h.func_code = XPT_SCAN_LUN; 2272 request_ccb->ccb_h.flags |= CAM_UNLOCKED; 2273 request_ccb->crcn.flags = flags; 2274 } 2275 2276 lock = (xpt_path_owned(path) == 0); 2277 if (lock) 2278 xpt_path_lock(path); 2279 if ((old_periph = cam_periph_find(path, "probe")) != NULL) { 2280 if ((old_periph->flags & CAM_PERIPH_INVALID) == 0) { 2281 probe_softc *softc; 2282 2283 softc = (probe_softc *)old_periph->softc; 2284 TAILQ_INSERT_TAIL(&softc->request_ccbs, 2285 &request_ccb->ccb_h, periph_links.tqe); 2286 } else { 2287 request_ccb->ccb_h.status = CAM_REQ_CMP_ERR; 2288 xpt_done(request_ccb); 2289 } 2290 } else { 2291 status = cam_periph_alloc(proberegister, NULL, probecleanup, 2292 probestart, "probe", 2293 CAM_PERIPH_BIO, 2294 request_ccb->ccb_h.path, NULL, 0, 2295 request_ccb); 2296 2297 if (status != CAM_REQ_CMP) { 2298 xpt_print(path, "scsi_scan_lun: cam_alloc_periph " 2299 "returned an error, can't continue probe\n"); 2300 request_ccb->ccb_h.status = status; 2301 xpt_done(request_ccb); 2302 } 2303 } 2304 if (lock) 2305 xpt_path_unlock(path); 2306} 2307 2308static void 2309xptscandone(struct cam_periph *periph, union ccb *done_ccb) 2310{ 2311 2312 xpt_free_path(done_ccb->ccb_h.path); 2313 xpt_free_ccb(done_ccb); 2314} 2315 2316static struct cam_ed * 2317scsi_alloc_device(struct cam_eb *bus, struct cam_et *target, lun_id_t lun_id) 2318{ 2319 struct scsi_quirk_entry *quirk; 2320 struct cam_ed *device; 2321 2322 device = xpt_alloc_device(bus, target, lun_id); 2323 if (device == NULL) 2324 return (NULL); 2325 2326 /* 2327 * Take the default quirk entry until we have inquiry 2328 * data and can determine a better quirk to use. 2329 */ 2330 quirk = &scsi_quirk_table[scsi_quirk_table_size - 1]; 2331 device->quirk = (void *)quirk; 2332 device->mintags = quirk->mintags; 2333 device->maxtags = quirk->maxtags; 2334 bzero(&device->inq_data, sizeof(device->inq_data)); 2335 device->inq_flags = 0; 2336 device->queue_flags = 0; 2337 device->serial_num = NULL; 2338 device->serial_num_len = 0; 2339 device->device_id = NULL; 2340 device->device_id_len = 0; 2341 device->supported_vpds = NULL; 2342 device->supported_vpds_len = 0; 2343 return (device); 2344} 2345 2346static void 2347scsi_devise_transport(struct cam_path *path) 2348{ 2349 struct ccb_pathinq cpi; 2350 struct ccb_trans_settings cts; 2351 struct scsi_inquiry_data *inq_buf; 2352 2353 /* Get transport information from the SIM */ 2354 xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NONE); 2355 cpi.ccb_h.func_code = XPT_PATH_INQ; 2356 xpt_action((union ccb *)&cpi); 2357 2358 inq_buf = NULL; 2359 if ((path->device->flags & CAM_DEV_INQUIRY_DATA_VALID) != 0) 2360 inq_buf = &path->device->inq_data; 2361 path->device->protocol = PROTO_SCSI; 2362 path->device->protocol_version = 2363 inq_buf != NULL ? SID_ANSI_REV(inq_buf) : cpi.protocol_version; 2364 path->device->transport = cpi.transport; 2365 path->device->transport_version = cpi.transport_version; 2366 2367 /* 2368 * Any device not using SPI3 features should 2369 * be considered SPI2 or lower. 2370 */ 2371 if (inq_buf != NULL) { 2372 if (path->device->transport == XPORT_SPI 2373 && (inq_buf->spi3data & SID_SPI_MASK) == 0 2374 && path->device->transport_version > 2) 2375 path->device->transport_version = 2; 2376 } else { 2377 struct cam_ed* otherdev; 2378 2379 for (otherdev = TAILQ_FIRST(&path->target->ed_entries); 2380 otherdev != NULL; 2381 otherdev = TAILQ_NEXT(otherdev, links)) { 2382 if (otherdev != path->device) 2383 break; 2384 } 2385 2386 if (otherdev != NULL) { 2387 /* 2388 * Initially assume the same versioning as 2389 * prior luns for this target. 2390 */ 2391 path->device->protocol_version = 2392 otherdev->protocol_version; 2393 path->device->transport_version = 2394 otherdev->transport_version; 2395 } else { 2396 /* Until we know better, opt for safty */ 2397 path->device->protocol_version = 2; 2398 if (path->device->transport == XPORT_SPI) 2399 path->device->transport_version = 2; 2400 else 2401 path->device->transport_version = 0; 2402 } 2403 } 2404 2405 /* 2406 * XXX 2407 * For a device compliant with SPC-2 we should be able 2408 * to determine the transport version supported by 2409 * scrutinizing the version descriptors in the 2410 * inquiry buffer. 2411 */ 2412 2413 /* Tell the controller what we think */ 2414 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 2415 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 2416 cts.type = CTS_TYPE_CURRENT_SETTINGS; 2417 cts.transport = path->device->transport; 2418 cts.transport_version = path->device->transport_version; 2419 cts.protocol = path->device->protocol; 2420 cts.protocol_version = path->device->protocol_version; 2421 cts.proto_specific.valid = 0; 2422 cts.xport_specific.valid = 0; 2423 xpt_action((union ccb *)&cts); 2424} 2425 2426static void 2427scsi_dev_advinfo(union ccb *start_ccb) 2428{ 2429 struct cam_ed *device; 2430 struct ccb_dev_advinfo *cdai; 2431 off_t amt; 2432 2433 start_ccb->ccb_h.status = CAM_REQ_INVALID; 2434 device = start_ccb->ccb_h.path->device; 2435 cdai = &start_ccb->cdai; 2436 switch(cdai->buftype) { 2437 case CDAI_TYPE_SCSI_DEVID: 2438 if (cdai->flags & CDAI_FLAG_STORE) 2439 return; 2440 cdai->provsiz = device->device_id_len; 2441 if (device->device_id_len == 0) 2442 break; 2443 amt = device->device_id_len; 2444 if (cdai->provsiz > cdai->bufsiz) 2445 amt = cdai->bufsiz; 2446 memcpy(cdai->buf, device->device_id, amt); 2447 break; 2448 case CDAI_TYPE_SERIAL_NUM: 2449 if (cdai->flags & CDAI_FLAG_STORE) 2450 return; 2451 cdai->provsiz = device->serial_num_len; 2452 if (device->serial_num_len == 0) 2453 break; 2454 amt = device->serial_num_len; 2455 if (cdai->provsiz > cdai->bufsiz) 2456 amt = cdai->bufsiz; 2457 memcpy(cdai->buf, device->serial_num, amt); 2458 break; 2459 case CDAI_TYPE_PHYS_PATH: 2460 if (cdai->flags & CDAI_FLAG_STORE) { 2461 if (device->physpath != NULL) { 2462 free(device->physpath, M_CAMXPT); 2463 device->physpath = NULL; 2464 } 2465 device->physpath_len = cdai->bufsiz; 2466 /* Clear existing buffer if zero length */ 2467 if (cdai->bufsiz == 0) 2468 break; 2469 device->physpath = malloc(cdai->bufsiz, M_CAMXPT, M_NOWAIT); 2470 if (device->physpath == NULL) { 2471 start_ccb->ccb_h.status = CAM_REQ_ABORTED; 2472 return; 2473 } 2474 memcpy(device->physpath, cdai->buf, cdai->bufsiz); 2475 } else { 2476 cdai->provsiz = device->physpath_len; 2477 if (device->physpath_len == 0) 2478 break; 2479 amt = device->physpath_len; 2480 if (cdai->provsiz > cdai->bufsiz) 2481 amt = cdai->bufsiz; 2482 memcpy(cdai->buf, device->physpath, amt); 2483 } 2484 break; 2485 case CDAI_TYPE_RCAPLONG: 2486 if (cdai->flags & CDAI_FLAG_STORE) { 2487 if (device->rcap_buf != NULL) { 2488 free(device->rcap_buf, M_CAMXPT); 2489 device->rcap_buf = NULL; 2490 } 2491 2492 device->rcap_len = cdai->bufsiz; 2493 /* Clear existing buffer if zero length */ 2494 if (cdai->bufsiz == 0) 2495 break; 2496 2497 device->rcap_buf = malloc(cdai->bufsiz, M_CAMXPT, 2498 M_NOWAIT); 2499 if (device->rcap_buf == NULL) { 2500 start_ccb->ccb_h.status = CAM_REQ_ABORTED; 2501 return; 2502 } 2503 2504 memcpy(device->rcap_buf, cdai->buf, cdai->bufsiz); 2505 } else { 2506 cdai->provsiz = device->rcap_len; 2507 if (device->rcap_len == 0) 2508 break; 2509 amt = device->rcap_len; 2510 if (cdai->provsiz > cdai->bufsiz) 2511 amt = cdai->bufsiz; 2512 memcpy(cdai->buf, device->rcap_buf, amt); 2513 } 2514 break; 2515 default: 2516 return; 2517 } 2518 start_ccb->ccb_h.status = CAM_REQ_CMP; 2519 2520 if (cdai->flags & CDAI_FLAG_STORE) { 2521 xpt_async(AC_ADVINFO_CHANGED, start_ccb->ccb_h.path, 2522 (void *)(uintptr_t)cdai->buftype); 2523 } 2524} 2525 2526static void 2527scsi_action(union ccb *start_ccb) 2528{ 2529 2530 switch (start_ccb->ccb_h.func_code) { 2531 case XPT_SET_TRAN_SETTINGS: 2532 { 2533 scsi_set_transfer_settings(&start_ccb->cts, 2534 start_ccb->ccb_h.path, 2535 /*async_update*/FALSE); 2536 break; 2537 } 2538 case XPT_SCAN_BUS: 2539 case XPT_SCAN_TGT: 2540 scsi_scan_bus(start_ccb->ccb_h.path->periph, start_ccb); 2541 break; 2542 case XPT_SCAN_LUN: 2543 scsi_scan_lun(start_ccb->ccb_h.path->periph, 2544 start_ccb->ccb_h.path, start_ccb->crcn.flags, 2545 start_ccb); 2546 break; 2547 case XPT_DEV_ADVINFO: 2548 { 2549 scsi_dev_advinfo(start_ccb); 2550 break; 2551 } 2552 default: 2553 xpt_action_default(start_ccb); 2554 break; 2555 } 2556} 2557 2558static void 2559scsi_set_transfer_settings(struct ccb_trans_settings *cts, struct cam_path *path, 2560 int async_update) 2561{ 2562 struct ccb_pathinq cpi; 2563 struct ccb_trans_settings cur_cts; 2564 struct ccb_trans_settings_scsi *scsi; 2565 struct ccb_trans_settings_scsi *cur_scsi; 2566 struct scsi_inquiry_data *inq_data; 2567 struct cam_ed *device; 2568 2569 if (path == NULL || (device = path->device) == NULL) { 2570 cts->ccb_h.status = CAM_PATH_INVALID; 2571 xpt_done((union ccb *)cts); 2572 return; 2573 } 2574 2575 if (cts->protocol == PROTO_UNKNOWN 2576 || cts->protocol == PROTO_UNSPECIFIED) { 2577 cts->protocol = device->protocol; 2578 cts->protocol_version = device->protocol_version; 2579 } 2580 2581 if (cts->protocol_version == PROTO_VERSION_UNKNOWN 2582 || cts->protocol_version == PROTO_VERSION_UNSPECIFIED) 2583 cts->protocol_version = device->protocol_version; 2584 2585 if (cts->protocol != device->protocol) { 2586 xpt_print(path, "Uninitialized Protocol %x:%x?\n", 2587 cts->protocol, device->protocol); 2588 cts->protocol = device->protocol; 2589 } 2590 2591 if (cts->protocol_version > device->protocol_version) { 2592 if (bootverbose) { 2593 xpt_print(path, "Down reving Protocol " 2594 "Version from %d to %d?\n", cts->protocol_version, 2595 device->protocol_version); 2596 } 2597 cts->protocol_version = device->protocol_version; 2598 } 2599 2600 if (cts->transport == XPORT_UNKNOWN 2601 || cts->transport == XPORT_UNSPECIFIED) { 2602 cts->transport = device->transport; 2603 cts->transport_version = device->transport_version; 2604 } 2605 2606 if (cts->transport_version == XPORT_VERSION_UNKNOWN 2607 || cts->transport_version == XPORT_VERSION_UNSPECIFIED) 2608 cts->transport_version = device->transport_version; 2609 2610 if (cts->transport != device->transport) { 2611 xpt_print(path, "Uninitialized Transport %x:%x?\n", 2612 cts->transport, device->transport); 2613 cts->transport = device->transport; 2614 } 2615 2616 if (cts->transport_version > device->transport_version) { 2617 if (bootverbose) { 2618 xpt_print(path, "Down reving Transport " 2619 "Version from %d to %d?\n", cts->transport_version, 2620 device->transport_version); 2621 } 2622 cts->transport_version = device->transport_version; 2623 } 2624 2625 /* 2626 * Nothing more of interest to do unless 2627 * this is a device connected via the 2628 * SCSI protocol. 2629 */ 2630 if (cts->protocol != PROTO_SCSI) { 2631 if (async_update == FALSE) 2632 xpt_action_default((union ccb *)cts); 2633 return; 2634 } 2635 2636 inq_data = &device->inq_data; 2637 scsi = &cts->proto_specific.scsi; 2638 xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NONE); 2639 cpi.ccb_h.func_code = XPT_PATH_INQ; 2640 xpt_action((union ccb *)&cpi); 2641 2642 /* SCSI specific sanity checking */ 2643 if ((cpi.hba_inquiry & PI_TAG_ABLE) == 0 2644 || (INQ_DATA_TQ_ENABLED(inq_data)) == 0 2645 || (device->queue_flags & SCP_QUEUE_DQUE) != 0 2646 || (device->mintags == 0)) { 2647 /* 2648 * Can't tag on hardware that doesn't support tags, 2649 * doesn't have it enabled, or has broken tag support. 2650 */ 2651 scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB; 2652 } 2653 2654 if (async_update == FALSE) { 2655 /* 2656 * Perform sanity checking against what the 2657 * controller and device can do. 2658 */ 2659 xpt_setup_ccb(&cur_cts.ccb_h, path, CAM_PRIORITY_NONE); 2660 cur_cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 2661 cur_cts.type = cts->type; 2662 xpt_action((union ccb *)&cur_cts); 2663 if (cam_ccb_status((union ccb *)&cur_cts) != CAM_REQ_CMP) { 2664 return; 2665 } 2666 cur_scsi = &cur_cts.proto_specific.scsi; 2667 if ((scsi->valid & CTS_SCSI_VALID_TQ) == 0) { 2668 scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB; 2669 scsi->flags |= cur_scsi->flags & CTS_SCSI_FLAGS_TAG_ENB; 2670 } 2671 if ((cur_scsi->valid & CTS_SCSI_VALID_TQ) == 0) 2672 scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB; 2673 } 2674 2675 /* SPI specific sanity checking */ 2676 if (cts->transport == XPORT_SPI && async_update == FALSE) { 2677 u_int spi3caps; 2678 struct ccb_trans_settings_spi *spi; 2679 struct ccb_trans_settings_spi *cur_spi; 2680 2681 spi = &cts->xport_specific.spi; 2682 2683 cur_spi = &cur_cts.xport_specific.spi; 2684 2685 /* Fill in any gaps in what the user gave us */ 2686 if ((spi->valid & CTS_SPI_VALID_SYNC_RATE) == 0) 2687 spi->sync_period = cur_spi->sync_period; 2688 if ((cur_spi->valid & CTS_SPI_VALID_SYNC_RATE) == 0) 2689 spi->sync_period = 0; 2690 if ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) == 0) 2691 spi->sync_offset = cur_spi->sync_offset; 2692 if ((cur_spi->valid & CTS_SPI_VALID_SYNC_OFFSET) == 0) 2693 spi->sync_offset = 0; 2694 if ((spi->valid & CTS_SPI_VALID_PPR_OPTIONS) == 0) 2695 spi->ppr_options = cur_spi->ppr_options; 2696 if ((cur_spi->valid & CTS_SPI_VALID_PPR_OPTIONS) == 0) 2697 spi->ppr_options = 0; 2698 if ((spi->valid & CTS_SPI_VALID_BUS_WIDTH) == 0) 2699 spi->bus_width = cur_spi->bus_width; 2700 if ((cur_spi->valid & CTS_SPI_VALID_BUS_WIDTH) == 0) 2701 spi->bus_width = 0; 2702 if ((spi->valid & CTS_SPI_VALID_DISC) == 0) { 2703 spi->flags &= ~CTS_SPI_FLAGS_DISC_ENB; 2704 spi->flags |= cur_spi->flags & CTS_SPI_FLAGS_DISC_ENB; 2705 } 2706 if ((cur_spi->valid & CTS_SPI_VALID_DISC) == 0) 2707 spi->flags &= ~CTS_SPI_FLAGS_DISC_ENB; 2708 if (((device->flags & CAM_DEV_INQUIRY_DATA_VALID) != 0 2709 && (inq_data->flags & SID_Sync) == 0 2710 && cts->type == CTS_TYPE_CURRENT_SETTINGS) 2711 || ((cpi.hba_inquiry & PI_SDTR_ABLE) == 0)) { 2712 /* Force async */ 2713 spi->sync_period = 0; 2714 spi->sync_offset = 0; 2715 } 2716 2717 switch (spi->bus_width) { 2718 case MSG_EXT_WDTR_BUS_32_BIT: 2719 if (((device->flags & CAM_DEV_INQUIRY_DATA_VALID) == 0 2720 || (inq_data->flags & SID_WBus32) != 0 2721 || cts->type == CTS_TYPE_USER_SETTINGS) 2722 && (cpi.hba_inquiry & PI_WIDE_32) != 0) 2723 break; 2724 /* Fall Through to 16-bit */ 2725 case MSG_EXT_WDTR_BUS_16_BIT: 2726 if (((device->flags & CAM_DEV_INQUIRY_DATA_VALID) == 0 2727 || (inq_data->flags & SID_WBus16) != 0 2728 || cts->type == CTS_TYPE_USER_SETTINGS) 2729 && (cpi.hba_inquiry & PI_WIDE_16) != 0) { 2730 spi->bus_width = MSG_EXT_WDTR_BUS_16_BIT; 2731 break; 2732 } 2733 /* Fall Through to 8-bit */ 2734 default: /* New bus width?? */ 2735 case MSG_EXT_WDTR_BUS_8_BIT: 2736 /* All targets can do this */ 2737 spi->bus_width = MSG_EXT_WDTR_BUS_8_BIT; 2738 break; 2739 } 2740 2741 spi3caps = cpi.xport_specific.spi.ppr_options; 2742 if ((device->flags & CAM_DEV_INQUIRY_DATA_VALID) != 0 2743 && cts->type == CTS_TYPE_CURRENT_SETTINGS) 2744 spi3caps &= inq_data->spi3data; 2745 2746 if ((spi3caps & SID_SPI_CLOCK_DT) == 0) 2747 spi->ppr_options &= ~MSG_EXT_PPR_DT_REQ; 2748 2749 if ((spi3caps & SID_SPI_IUS) == 0) 2750 spi->ppr_options &= ~MSG_EXT_PPR_IU_REQ; 2751 2752 if ((spi3caps & SID_SPI_QAS) == 0) 2753 spi->ppr_options &= ~MSG_EXT_PPR_QAS_REQ; 2754 2755 /* No SPI Transfer settings are allowed unless we are wide */ 2756 if (spi->bus_width == 0) 2757 spi->ppr_options = 0; 2758 2759 if ((spi->valid & CTS_SPI_VALID_DISC) 2760 && ((spi->flags & CTS_SPI_FLAGS_DISC_ENB) == 0)) { 2761 /* 2762 * Can't tag queue without disconnection. 2763 */ 2764 scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB; 2765 scsi->valid |= CTS_SCSI_VALID_TQ; 2766 } 2767 2768 /* 2769 * If we are currently performing tagged transactions to 2770 * this device and want to change its negotiation parameters, 2771 * go non-tagged for a bit to give the controller a chance to 2772 * negotiate unhampered by tag messages. 2773 */ 2774 if (cts->type == CTS_TYPE_CURRENT_SETTINGS 2775 && (device->inq_flags & SID_CmdQue) != 0 2776 && (scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0 2777 && (spi->flags & (CTS_SPI_VALID_SYNC_RATE| 2778 CTS_SPI_VALID_SYNC_OFFSET| 2779 CTS_SPI_VALID_BUS_WIDTH)) != 0) 2780 scsi_toggle_tags(path); 2781 } 2782 2783 if (cts->type == CTS_TYPE_CURRENT_SETTINGS 2784 && (scsi->valid & CTS_SCSI_VALID_TQ) != 0) { 2785 int device_tagenb; 2786 2787 /* 2788 * If we are transitioning from tags to no-tags or 2789 * vice-versa, we need to carefully freeze and restart 2790 * the queue so that we don't overlap tagged and non-tagged 2791 * commands. We also temporarily stop tags if there is 2792 * a change in transfer negotiation settings to allow 2793 * "tag-less" negotiation. 2794 */ 2795 if ((device->flags & CAM_DEV_TAG_AFTER_COUNT) != 0 2796 || (device->inq_flags & SID_CmdQue) != 0) 2797 device_tagenb = TRUE; 2798 else 2799 device_tagenb = FALSE; 2800 2801 if (((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0 2802 && device_tagenb == FALSE) 2803 || ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) == 0 2804 && device_tagenb == TRUE)) { 2805 2806 if ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0) { 2807 /* 2808 * Delay change to use tags until after a 2809 * few commands have gone to this device so 2810 * the controller has time to perform transfer 2811 * negotiations without tagged messages getting 2812 * in the way. 2813 */ 2814 device->tag_delay_count = CAM_TAG_DELAY_COUNT; 2815 device->flags |= CAM_DEV_TAG_AFTER_COUNT; 2816 } else { 2817 xpt_stop_tags(path); 2818 } 2819 } 2820 } 2821 if (async_update == FALSE) 2822 xpt_action_default((union ccb *)cts); 2823} 2824 2825static void 2826scsi_toggle_tags(struct cam_path *path) 2827{ 2828 struct cam_ed *dev; 2829 2830 /* 2831 * Give controllers a chance to renegotiate 2832 * before starting tag operations. We 2833 * "toggle" tagged queuing off then on 2834 * which causes the tag enable command delay 2835 * counter to come into effect. 2836 */ 2837 dev = path->device; 2838 if ((dev->flags & CAM_DEV_TAG_AFTER_COUNT) != 0 2839 || ((dev->inq_flags & SID_CmdQue) != 0 2840 && (dev->inq_flags & (SID_Sync|SID_WBus16|SID_WBus32)) != 0)) { 2841 struct ccb_trans_settings cts; 2842 2843 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 2844 cts.protocol = PROTO_SCSI; 2845 cts.protocol_version = PROTO_VERSION_UNSPECIFIED; 2846 cts.transport = XPORT_UNSPECIFIED; 2847 cts.transport_version = XPORT_VERSION_UNSPECIFIED; 2848 cts.proto_specific.scsi.flags = 0; 2849 cts.proto_specific.scsi.valid = CTS_SCSI_VALID_TQ; 2850 scsi_set_transfer_settings(&cts, path, 2851 /*async_update*/TRUE); 2852 cts.proto_specific.scsi.flags = CTS_SCSI_FLAGS_TAG_ENB; 2853 scsi_set_transfer_settings(&cts, path, 2854 /*async_update*/TRUE); 2855 } 2856} 2857 2858/* 2859 * Handle any per-device event notifications that require action by the XPT. 2860 */ 2861static void 2862scsi_dev_async(u_int32_t async_code, struct cam_eb *bus, struct cam_et *target, 2863 struct cam_ed *device, void *async_arg) 2864{ 2865 cam_status status; 2866 struct cam_path newpath; 2867 2868 /* 2869 * We only need to handle events for real devices. 2870 */ 2871 if (target->target_id == CAM_TARGET_WILDCARD 2872 || device->lun_id == CAM_LUN_WILDCARD) 2873 return; 2874 2875 /* 2876 * We need our own path with wildcards expanded to 2877 * handle certain types of events. 2878 */ 2879 if ((async_code == AC_SENT_BDR) 2880 || (async_code == AC_BUS_RESET) 2881 || (async_code == AC_INQ_CHANGED)) 2882 status = xpt_compile_path(&newpath, NULL, 2883 bus->path_id, 2884 target->target_id, 2885 device->lun_id); 2886 else 2887 status = CAM_REQ_CMP_ERR; 2888 2889 if (status == CAM_REQ_CMP) { 2890 2891 /* 2892 * Allow transfer negotiation to occur in a 2893 * tag free environment and after settle delay. 2894 */ 2895 if (async_code == AC_SENT_BDR 2896 || async_code == AC_BUS_RESET) { 2897 cam_freeze_devq(&newpath); 2898 cam_release_devq(&newpath, 2899 RELSIM_RELEASE_AFTER_TIMEOUT, 2900 /*reduction*/0, 2901 /*timeout*/scsi_delay, 2902 /*getcount_only*/0); 2903 scsi_toggle_tags(&newpath); 2904 } 2905 2906 if (async_code == AC_INQ_CHANGED) { 2907 /* 2908 * We've sent a start unit command, or 2909 * something similar to a device that 2910 * may have caused its inquiry data to 2911 * change. So we re-scan the device to 2912 * refresh the inquiry data for it. 2913 */ 2914 scsi_scan_lun(newpath.periph, &newpath, 2915 CAM_EXPECT_INQ_CHANGE, NULL); 2916 } 2917 xpt_release_path(&newpath); 2918 } else if (async_code == AC_LOST_DEVICE && 2919 (device->flags & CAM_DEV_UNCONFIGURED) == 0) { 2920 device->flags |= CAM_DEV_UNCONFIGURED; 2921 xpt_release_device(device); 2922 } else if (async_code == AC_TRANSFER_NEG) { 2923 struct ccb_trans_settings *settings; 2924 struct cam_path path; 2925 2926 settings = (struct ccb_trans_settings *)async_arg; 2927 xpt_compile_path(&path, NULL, bus->path_id, target->target_id, 2928 device->lun_id); 2929 scsi_set_transfer_settings(settings, &path, 2930 /*async_update*/TRUE); 2931 xpt_release_path(&path); 2932 } 2933} 2934 2935static void 2936scsi_announce_periph(struct cam_periph *periph) 2937{ 2938 struct ccb_pathinq cpi; 2939 struct ccb_trans_settings cts; 2940 struct cam_path *path = periph->path; 2941 u_int speed; 2942 u_int freq; 2943 u_int mb; 2944 2945 cam_periph_assert(periph, MA_OWNED); 2946 2947 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NORMAL); 2948 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 2949 cts.type = CTS_TYPE_CURRENT_SETTINGS; 2950 xpt_action((union ccb*)&cts); 2951 if (cam_ccb_status((union ccb *)&cts) != CAM_REQ_CMP) 2952 return; 2953 /* Ask the SIM for its base transfer speed */ 2954 xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NORMAL); 2955 cpi.ccb_h.func_code = XPT_PATH_INQ; 2956 xpt_action((union ccb *)&cpi); 2957 /* Report connection speed */ 2958 speed = cpi.base_transfer_speed; 2959 freq = 0; 2960 if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_SPI) { 2961 struct ccb_trans_settings_spi *spi = 2962 &cts.xport_specific.spi; 2963 2964 if ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) != 0 2965 && spi->sync_offset != 0) { 2966 freq = scsi_calc_syncsrate(spi->sync_period); 2967 speed = freq; 2968 } 2969 if ((spi->valid & CTS_SPI_VALID_BUS_WIDTH) != 0) 2970 speed *= (0x01 << spi->bus_width); 2971 } 2972 if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_FC) { 2973 struct ccb_trans_settings_fc *fc = 2974 &cts.xport_specific.fc; 2975 2976 if (fc->valid & CTS_FC_VALID_SPEED) 2977 speed = fc->bitrate; 2978 } 2979 if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_SAS) { 2980 struct ccb_trans_settings_sas *sas = 2981 &cts.xport_specific.sas; 2982 2983 if (sas->valid & CTS_SAS_VALID_SPEED) 2984 speed = sas->bitrate; 2985 } 2986 mb = speed / 1000; 2987 if (mb > 0) 2988 printf("%s%d: %d.%03dMB/s transfers", 2989 periph->periph_name, periph->unit_number, 2990 mb, speed % 1000); 2991 else 2992 printf("%s%d: %dKB/s transfers", periph->periph_name, 2993 periph->unit_number, speed); 2994 /* Report additional information about SPI connections */ 2995 if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_SPI) { 2996 struct ccb_trans_settings_spi *spi; 2997 2998 spi = &cts.xport_specific.spi; 2999 if (freq != 0) { 3000 printf(" (%d.%03dMHz%s, offset %d", freq / 1000, 3001 freq % 1000, 3002 (spi->ppr_options & MSG_EXT_PPR_DT_REQ) != 0 3003 ? " DT" : "", 3004 spi->sync_offset); 3005 } 3006 if ((spi->valid & CTS_SPI_VALID_BUS_WIDTH) != 0 3007 && spi->bus_width > 0) { 3008 if (freq != 0) { 3009 printf(", "); 3010 } else { 3011 printf(" ("); 3012 } 3013 printf("%dbit)", 8 * (0x01 << spi->bus_width)); 3014 } else if (freq != 0) { 3015 printf(")"); 3016 } 3017 } 3018 if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_FC) { 3019 struct ccb_trans_settings_fc *fc; 3020 3021 fc = &cts.xport_specific.fc; 3022 if (fc->valid & CTS_FC_VALID_WWNN) 3023 printf(" WWNN 0x%llx", (long long) fc->wwnn); 3024 if (fc->valid & CTS_FC_VALID_WWPN) 3025 printf(" WWPN 0x%llx", (long long) fc->wwpn); 3026 if (fc->valid & CTS_FC_VALID_PORT) 3027 printf(" PortID 0x%x", fc->port); 3028 } 3029 printf("\n"); 3030} 3031 3032