scsi_xpt.c revision 272409
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: head/sys/cam/scsi/scsi_xpt.c 272409 2014-10-02 10:58:52Z 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; 81static int sysctl_cam_search_luns(SYSCTL_HANDLER_ARGS); 82SYSCTL_PROC(_kern_cam, OID_AUTO, cam_srch_hi, CTLTYPE_INT | CTLFLAG_RWTUN, 0, 0, 83 sysctl_cam_search_luns, "I", 84 "allow search above LUN 7 for SCSI3 and greater devices"); 85 86#define CAM_SCSI2_MAXLUN 8 87#define CAM_CAN_GET_SIMPLE_LUN(x, i) \ 88 ((((x)->luns[i].lundata[0] & RPL_LUNDATA_ATYP_MASK) == \ 89 RPL_LUNDATA_ATYP_PERIPH) || \ 90 (((x)->luns[i].lundata[0] & RPL_LUNDATA_ATYP_MASK) == \ 91 RPL_LUNDATA_ATYP_FLAT)) 92#define CAM_GET_SIMPLE_LUN(lp, i, lval) \ 93 if (((lp)->luns[(i)].lundata[0] & RPL_LUNDATA_ATYP_MASK) == \ 94 RPL_LUNDATA_ATYP_PERIPH) { \ 95 (lval) = (lp)->luns[(i)].lundata[1]; \ 96 } else { \ 97 (lval) = (lp)->luns[(i)].lundata[0]; \ 98 (lval) &= RPL_LUNDATA_FLAT_LUN_MASK; \ 99 (lval) <<= 8; \ 100 (lval) |= (lp)->luns[(i)].lundata[1]; \ 101 } 102#define CAM_GET_LUN(lp, i, lval) \ 103 (lval) = scsi_8btou64((lp)->luns[(i)].lundata); \ 104 (lval) = CAM_EXTLUN_BYTE_SWIZZLE(lval); 105 106/* 107 * If we're not quirked to search <= the first 8 luns 108 * and we are either quirked to search above lun 8, 109 * or we're > SCSI-2 and we've enabled hilun searching, 110 * or we're > SCSI-2 and the last lun was a success, 111 * we can look for luns above lun 8. 112 */ 113#define CAN_SRCH_HI_SPARSE(dv) \ 114 (((SCSI_QUIRK(dv)->quirks & CAM_QUIRK_NOHILUNS) == 0) \ 115 && ((SCSI_QUIRK(dv)->quirks & CAM_QUIRK_HILUNS) \ 116 || (SID_ANSI_REV(&dv->inq_data) > SCSI_REV_2 && cam_srch_hi))) 117 118#define CAN_SRCH_HI_DENSE(dv) \ 119 (((SCSI_QUIRK(dv)->quirks & CAM_QUIRK_NOHILUNS) == 0) \ 120 && ((SCSI_QUIRK(dv)->quirks & CAM_QUIRK_HILUNS) \ 121 || (SID_ANSI_REV(&dv->inq_data) > SCSI_REV_2))) 122 123static periph_init_t probe_periph_init; 124 125static struct periph_driver probe_driver = 126{ 127 probe_periph_init, "probe", 128 TAILQ_HEAD_INITIALIZER(probe_driver.units), /* generation */ 0, 129 CAM_PERIPH_DRV_EARLY 130}; 131 132PERIPHDRIVER_DECLARE(probe, probe_driver); 133 134typedef enum { 135 PROBE_TUR, 136 PROBE_INQUIRY, /* this counts as DV0 for Basic Domain Validation */ 137 PROBE_FULL_INQUIRY, 138 PROBE_REPORT_LUNS, 139 PROBE_MODE_SENSE, 140 PROBE_SUPPORTED_VPD_LIST, 141 PROBE_DEVICE_ID, 142 PROBE_SERIAL_NUM, 143 PROBE_TUR_FOR_NEGOTIATION, 144 PROBE_INQUIRY_BASIC_DV1, 145 PROBE_INQUIRY_BASIC_DV2, 146 PROBE_DV_EXIT, 147 PROBE_DONE, 148 PROBE_INVALID 149} probe_action; 150 151static char *probe_action_text[] = { 152 "PROBE_TUR", 153 "PROBE_INQUIRY", 154 "PROBE_FULL_INQUIRY", 155 "PROBE_REPORT_LUNS", 156 "PROBE_MODE_SENSE", 157 "PROBE_SUPPORTED_VPD_LIST", 158 "PROBE_DEVICE_ID", 159 "PROBE_SERIAL_NUM", 160 "PROBE_TUR_FOR_NEGOTIATION", 161 "PROBE_INQUIRY_BASIC_DV1", 162 "PROBE_INQUIRY_BASIC_DV2", 163 "PROBE_DV_EXIT", 164 "PROBE_DONE", 165 "PROBE_INVALID" 166}; 167 168#define PROBE_SET_ACTION(softc, newaction) \ 169do { \ 170 char **text; \ 171 text = probe_action_text; \ 172 CAM_DEBUG((softc)->periph->path, CAM_DEBUG_PROBE, \ 173 ("Probe %s to %s\n", text[(softc)->action], \ 174 text[(newaction)])); \ 175 (softc)->action = (newaction); \ 176} while(0) 177 178typedef enum { 179 PROBE_INQUIRY_CKSUM = 0x01, 180 PROBE_SERIAL_CKSUM = 0x02, 181 PROBE_NO_ANNOUNCE = 0x04, 182 PROBE_EXTLUN = 0x08 183} probe_flags; 184 185typedef struct { 186 TAILQ_HEAD(, ccb_hdr) request_ccbs; 187 probe_action action; 188 union ccb saved_ccb; 189 probe_flags flags; 190 MD5_CTX context; 191 u_int8_t digest[16]; 192 struct cam_periph *periph; 193} probe_softc; 194 195static const char quantum[] = "QUANTUM"; 196static const char sony[] = "SONY"; 197static const char west_digital[] = "WDIGTL"; 198static const char samsung[] = "SAMSUNG"; 199static const char seagate[] = "SEAGATE"; 200static const char microp[] = "MICROP"; 201 202static struct scsi_quirk_entry scsi_quirk_table[] = 203{ 204 { 205 /* Reports QUEUE FULL for temporary resource shortages */ 206 { T_DIRECT, SIP_MEDIA_FIXED, quantum, "XP39100*", "*" }, 207 /*quirks*/0, /*mintags*/24, /*maxtags*/32 208 }, 209 { 210 /* Reports QUEUE FULL for temporary resource shortages */ 211 { T_DIRECT, SIP_MEDIA_FIXED, quantum, "XP34550*", "*" }, 212 /*quirks*/0, /*mintags*/24, /*maxtags*/32 213 }, 214 { 215 /* Reports QUEUE FULL for temporary resource shortages */ 216 { T_DIRECT, SIP_MEDIA_FIXED, quantum, "XP32275*", "*" }, 217 /*quirks*/0, /*mintags*/24, /*maxtags*/32 218 }, 219 { 220 /* Broken tagged queuing drive */ 221 { T_DIRECT, SIP_MEDIA_FIXED, microp, "4421-07*", "*" }, 222 /*quirks*/0, /*mintags*/0, /*maxtags*/0 223 }, 224 { 225 /* Broken tagged queuing drive */ 226 { T_DIRECT, SIP_MEDIA_FIXED, "HP", "C372*", "*" }, 227 /*quirks*/0, /*mintags*/0, /*maxtags*/0 228 }, 229 { 230 /* Broken tagged queuing drive */ 231 { T_DIRECT, SIP_MEDIA_FIXED, microp, "3391*", "x43h" }, 232 /*quirks*/0, /*mintags*/0, /*maxtags*/0 233 }, 234 { 235 /* 236 * Unfortunately, the Quantum Atlas III has the same 237 * problem as the Atlas II drives above. 238 * Reported by: "Johan Granlund" <johan@granlund.nu> 239 * 240 * For future reference, the drive with the problem was: 241 * QUANTUM QM39100TD-SW N1B0 242 * 243 * It's possible that Quantum will fix the problem in later 244 * firmware revisions. If that happens, the quirk entry 245 * will need to be made specific to the firmware revisions 246 * with the problem. 247 * 248 */ 249 /* Reports QUEUE FULL for temporary resource shortages */ 250 { T_DIRECT, SIP_MEDIA_FIXED, quantum, "QM39100*", "*" }, 251 /*quirks*/0, /*mintags*/24, /*maxtags*/32 252 }, 253 { 254 /* 255 * 18 Gig Atlas III, same problem as the 9G version. 256 * Reported by: Andre Albsmeier 257 * <andre.albsmeier@mchp.siemens.de> 258 * 259 * For future reference, the drive with the problem was: 260 * QUANTUM QM318000TD-S N491 261 */ 262 /* Reports QUEUE FULL for temporary resource shortages */ 263 { T_DIRECT, SIP_MEDIA_FIXED, quantum, "QM318000*", "*" }, 264 /*quirks*/0, /*mintags*/24, /*maxtags*/32 265 }, 266 { 267 /* 268 * Broken tagged queuing drive 269 * Reported by: Bret Ford <bford@uop.cs.uop.edu> 270 * and: Martin Renters <martin@tdc.on.ca> 271 */ 272 { T_DIRECT, SIP_MEDIA_FIXED, seagate, "ST410800*", "71*" }, 273 /*quirks*/0, /*mintags*/0, /*maxtags*/0 274 }, 275 /* 276 * The Seagate Medalist Pro drives have very poor write 277 * performance with anything more than 2 tags. 278 * 279 * Reported by: Paul van der Zwan <paulz@trantor.xs4all.nl> 280 * Drive: <SEAGATE ST36530N 1444> 281 * 282 * Reported by: Jeremy Lea <reg@shale.csir.co.za> 283 * Drive: <SEAGATE ST34520W 1281> 284 * 285 * No one has actually reported that the 9G version 286 * (ST39140*) of the Medalist Pro has the same problem, but 287 * we're assuming that it does because the 4G and 6.5G 288 * versions of the drive are broken. 289 */ 290 { 291 { T_DIRECT, SIP_MEDIA_FIXED, seagate, "ST34520*", "*"}, 292 /*quirks*/0, /*mintags*/2, /*maxtags*/2 293 }, 294 { 295 { T_DIRECT, SIP_MEDIA_FIXED, seagate, "ST36530*", "*"}, 296 /*quirks*/0, /*mintags*/2, /*maxtags*/2 297 }, 298 { 299 { T_DIRECT, SIP_MEDIA_FIXED, seagate, "ST39140*", "*"}, 300 /*quirks*/0, /*mintags*/2, /*maxtags*/2 301 }, 302 { 303 /* 304 * Experiences command timeouts under load with a 305 * tag count higher than 55. 306 */ 307 { T_DIRECT, SIP_MEDIA_FIXED, seagate, "ST3146855LW", "*"}, 308 /*quirks*/0, /*mintags*/2, /*maxtags*/55 309 }, 310 { 311 /* 312 * Slow when tagged queueing is enabled. Write performance 313 * steadily drops off with more and more concurrent 314 * transactions. Best sequential write performance with 315 * tagged queueing turned off and write caching turned on. 316 * 317 * PR: kern/10398 318 * Submitted by: Hideaki Okada <hokada@isl.melco.co.jp> 319 * Drive: DCAS-34330 w/ "S65A" firmware. 320 * 321 * The drive with the problem had the "S65A" firmware 322 * revision, and has also been reported (by Stephen J. 323 * Roznowski <sjr@home.net>) for a drive with the "S61A" 324 * firmware revision. 325 * 326 * Although no one has reported problems with the 2 gig 327 * version of the DCAS drive, the assumption is that it 328 * has the same problems as the 4 gig version. Therefore 329 * this quirk entries disables tagged queueing for all 330 * DCAS drives. 331 */ 332 { T_DIRECT, SIP_MEDIA_FIXED, "IBM", "DCAS*", "*" }, 333 /*quirks*/0, /*mintags*/0, /*maxtags*/0 334 }, 335 { 336 /* Broken tagged queuing drive */ 337 { T_DIRECT, SIP_MEDIA_REMOVABLE, "iomega", "jaz*", "*" }, 338 /*quirks*/0, /*mintags*/0, /*maxtags*/0 339 }, 340 { 341 /* Broken tagged queuing drive */ 342 { T_DIRECT, SIP_MEDIA_FIXED, "CONNER", "CFP2107*", "*" }, 343 /*quirks*/0, /*mintags*/0, /*maxtags*/0 344 }, 345 { 346 /* This does not support other than LUN 0 */ 347 { T_DIRECT, SIP_MEDIA_FIXED, "VMware*", "*", "*" }, 348 CAM_QUIRK_NOLUNS, /*mintags*/2, /*maxtags*/255 349 }, 350 { 351 /* 352 * Broken tagged queuing drive. 353 * Submitted by: 354 * NAKAJI Hiroyuki <nakaji@zeisei.dpri.kyoto-u.ac.jp> 355 * in PR kern/9535 356 */ 357 { T_DIRECT, SIP_MEDIA_FIXED, samsung, "WN34324U*", "*" }, 358 /*quirks*/0, /*mintags*/0, /*maxtags*/0 359 }, 360 { 361 /* 362 * Slow when tagged queueing is enabled. (1.5MB/sec versus 363 * 8MB/sec.) 364 * Submitted by: Andrew Gallatin <gallatin@cs.duke.edu> 365 * Best performance with these drives is achieved with 366 * tagged queueing turned off, and write caching turned on. 367 */ 368 { T_DIRECT, SIP_MEDIA_FIXED, west_digital, "WDE*", "*" }, 369 /*quirks*/0, /*mintags*/0, /*maxtags*/0 370 }, 371 { 372 /* 373 * Slow when tagged queueing is enabled. (1.5MB/sec versus 374 * 8MB/sec.) 375 * Submitted by: Andrew Gallatin <gallatin@cs.duke.edu> 376 * Best performance with these drives is achieved with 377 * tagged queueing turned off, and write caching turned on. 378 */ 379 { T_DIRECT, SIP_MEDIA_FIXED, west_digital, "ENTERPRISE", "*" }, 380 /*quirks*/0, /*mintags*/0, /*maxtags*/0 381 }, 382 { 383 /* 384 * Doesn't handle queue full condition correctly, 385 * so we need to limit maxtags to what the device 386 * can handle instead of determining this automatically. 387 */ 388 { T_DIRECT, SIP_MEDIA_FIXED, samsung, "WN321010S*", "*" }, 389 /*quirks*/0, /*mintags*/2, /*maxtags*/32 390 }, 391 { 392 /* Really only one LUN */ 393 { T_ENCLOSURE, SIP_MEDIA_FIXED, "SUN", "SENA", "*" }, 394 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 395 }, 396 { 397 /* I can't believe we need a quirk for DPT volumes. */ 398 { T_ANY, SIP_MEDIA_FIXED|SIP_MEDIA_REMOVABLE, "DPT", "*", "*" }, 399 CAM_QUIRK_NOLUNS, 400 /*mintags*/0, /*maxtags*/255 401 }, 402 { 403 /* 404 * Many Sony CDROM drives don't like multi-LUN probing. 405 */ 406 { T_CDROM, SIP_MEDIA_REMOVABLE, sony, "CD-ROM CDU*", "*" }, 407 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 408 }, 409 { 410 /* 411 * This drive doesn't like multiple LUN probing. 412 * Submitted by: Parag Patel <parag@cgt.com> 413 */ 414 { T_WORM, SIP_MEDIA_REMOVABLE, sony, "CD-R CDU9*", "*" }, 415 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 416 }, 417 { 418 { T_WORM, SIP_MEDIA_REMOVABLE, "YAMAHA", "CDR100*", "*" }, 419 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 420 }, 421 { 422 /* 423 * The 8200 doesn't like multi-lun probing, and probably 424 * don't like serial number requests either. 425 */ 426 { 427 T_SEQUENTIAL, SIP_MEDIA_REMOVABLE, "EXABYTE", 428 "EXB-8200*", "*" 429 }, 430 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 431 }, 432 { 433 /* 434 * Let's try the same as above, but for a drive that says 435 * it's an IPL-6860 but is actually an EXB 8200. 436 */ 437 { 438 T_SEQUENTIAL, SIP_MEDIA_REMOVABLE, "EXABYTE", 439 "IPL-6860*", "*" 440 }, 441 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 442 }, 443 { 444 /* 445 * These Hitachi drives don't like multi-lun probing. 446 * The PR submitter has a DK319H, but says that the Linux 447 * kernel has a similar work-around for the DK312 and DK314, 448 * so all DK31* drives are quirked here. 449 * PR: misc/18793 450 * Submitted by: Paul Haddad <paul@pth.com> 451 */ 452 { T_DIRECT, SIP_MEDIA_FIXED, "HITACHI", "DK31*", "*" }, 453 CAM_QUIRK_NOLUNS, /*mintags*/2, /*maxtags*/255 454 }, 455 { 456 /* 457 * The Hitachi CJ series with J8A8 firmware apparantly has 458 * problems with tagged commands. 459 * PR: 23536 460 * Reported by: amagai@nue.org 461 */ 462 { T_DIRECT, SIP_MEDIA_FIXED, "HITACHI", "DK32CJ*", "J8A8" }, 463 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 464 }, 465 { 466 /* 467 * These are the large storage arrays. 468 * Submitted by: William Carrel <william.carrel@infospace.com> 469 */ 470 { T_DIRECT, SIP_MEDIA_FIXED, "HITACHI", "OPEN*", "*" }, 471 CAM_QUIRK_HILUNS, 2, 1024 472 }, 473 { 474 /* 475 * This old revision of the TDC3600 is also SCSI-1, and 476 * hangs upon serial number probing. 477 */ 478 { 479 T_SEQUENTIAL, SIP_MEDIA_REMOVABLE, "TANDBERG", 480 " TDC 3600", "U07:" 481 }, 482 CAM_QUIRK_NOVPDS, /*mintags*/0, /*maxtags*/0 483 }, 484 { 485 /* 486 * Would repond to all LUNs if asked for. 487 */ 488 { 489 T_SEQUENTIAL, SIP_MEDIA_REMOVABLE, "CALIPER", 490 "CP150", "*" 491 }, 492 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 493 }, 494 { 495 /* 496 * Would repond to all LUNs if asked for. 497 */ 498 { 499 T_SEQUENTIAL, SIP_MEDIA_REMOVABLE, "KENNEDY", 500 "96X2*", "*" 501 }, 502 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 503 }, 504 { 505 /* Submitted by: Matthew Dodd <winter@jurai.net> */ 506 { T_PROCESSOR, SIP_MEDIA_FIXED, "Cabletrn", "EA41*", "*" }, 507 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 508 }, 509 { 510 /* Submitted by: Matthew Dodd <winter@jurai.net> */ 511 { T_PROCESSOR, SIP_MEDIA_FIXED, "CABLETRN", "EA41*", "*" }, 512 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 513 }, 514 { 515 /* TeraSolutions special settings for TRC-22 RAID */ 516 { T_DIRECT, SIP_MEDIA_FIXED, "TERASOLU", "TRC-22", "*" }, 517 /*quirks*/0, /*mintags*/55, /*maxtags*/255 518 }, 519 { 520 /* Veritas Storage Appliance */ 521 { T_DIRECT, SIP_MEDIA_FIXED, "VERITAS", "*", "*" }, 522 CAM_QUIRK_HILUNS, /*mintags*/2, /*maxtags*/1024 523 }, 524 { 525 /* 526 * Would respond to all LUNs. Device type and removable 527 * flag are jumper-selectable. 528 */ 529 { T_ANY, SIP_MEDIA_REMOVABLE|SIP_MEDIA_FIXED, "MaxOptix", 530 "Tahiti 1", "*" 531 }, 532 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 533 }, 534 { 535 /* EasyRAID E5A aka. areca ARC-6010 */ 536 { T_DIRECT, SIP_MEDIA_FIXED, "easyRAID", "*", "*" }, 537 CAM_QUIRK_NOHILUNS, /*mintags*/2, /*maxtags*/255 538 }, 539 { 540 { T_ENCLOSURE, SIP_MEDIA_FIXED, "DP", "BACKPLANE", "*" }, 541 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 542 }, 543 { 544 { T_DIRECT, SIP_MEDIA_REMOVABLE, "Garmin", "*", "*" }, 545 CAM_QUIRK_NORPTLUNS, /*mintags*/2, /*maxtags*/255 546 }, 547 { 548 /* Default tagged queuing parameters for all devices */ 549 { 550 T_ANY, SIP_MEDIA_REMOVABLE|SIP_MEDIA_FIXED, 551 /*vendor*/"*", /*product*/"*", /*revision*/"*" 552 }, 553 /*quirks*/0, /*mintags*/2, /*maxtags*/255 554 }, 555}; 556 557static const int scsi_quirk_table_size = 558 sizeof(scsi_quirk_table) / sizeof(*scsi_quirk_table); 559 560static cam_status proberegister(struct cam_periph *periph, 561 void *arg); 562static void probeschedule(struct cam_periph *probe_periph); 563static void probestart(struct cam_periph *periph, union ccb *start_ccb); 564static void proberequestdefaultnegotiation(struct cam_periph *periph); 565static int proberequestbackoff(struct cam_periph *periph, 566 struct cam_ed *device); 567static void probedone(struct cam_periph *periph, union ccb *done_ccb); 568static void probe_purge_old(struct cam_path *path, 569 struct scsi_report_luns_data *new, 570 probe_flags flags); 571static void probecleanup(struct cam_periph *periph); 572static void scsi_find_quirk(struct cam_ed *device); 573static void scsi_scan_bus(struct cam_periph *periph, union ccb *ccb); 574static void scsi_scan_lun(struct cam_periph *periph, 575 struct cam_path *path, cam_flags flags, 576 union ccb *ccb); 577static void xptscandone(struct cam_periph *periph, union ccb *done_ccb); 578static struct cam_ed * 579 scsi_alloc_device(struct cam_eb *bus, struct cam_et *target, 580 lun_id_t lun_id); 581static void scsi_devise_transport(struct cam_path *path); 582static void scsi_set_transfer_settings(struct ccb_trans_settings *cts, 583 struct cam_path *path, 584 int async_update); 585static void scsi_toggle_tags(struct cam_path *path); 586static void scsi_dev_async(u_int32_t async_code, 587 struct cam_eb *bus, 588 struct cam_et *target, 589 struct cam_ed *device, 590 void *async_arg); 591static void scsi_action(union ccb *start_ccb); 592static void scsi_announce_periph(struct cam_periph *periph); 593 594static struct xpt_xport scsi_xport = { 595 .alloc_device = scsi_alloc_device, 596 .action = scsi_action, 597 .async = scsi_dev_async, 598 .announce = scsi_announce_periph, 599}; 600 601struct xpt_xport * 602scsi_get_xport(void) 603{ 604 return (&scsi_xport); 605} 606 607static void 608probe_periph_init() 609{ 610} 611 612static cam_status 613proberegister(struct cam_periph *periph, void *arg) 614{ 615 union ccb *request_ccb; /* CCB representing the probe request */ 616 cam_status status; 617 probe_softc *softc; 618 619 request_ccb = (union ccb *)arg; 620 if (request_ccb == NULL) { 621 printf("proberegister: no probe CCB, " 622 "can't register device\n"); 623 return(CAM_REQ_CMP_ERR); 624 } 625 626 softc = (probe_softc *)malloc(sizeof(*softc), M_CAMXPT, M_NOWAIT); 627 628 if (softc == NULL) { 629 printf("proberegister: Unable to probe new device. " 630 "Unable to allocate softc\n"); 631 return(CAM_REQ_CMP_ERR); 632 } 633 TAILQ_INIT(&softc->request_ccbs); 634 TAILQ_INSERT_TAIL(&softc->request_ccbs, &request_ccb->ccb_h, 635 periph_links.tqe); 636 softc->flags = 0; 637 periph->softc = softc; 638 softc->periph = periph; 639 softc->action = PROBE_INVALID; 640 status = cam_periph_acquire(periph); 641 if (status != CAM_REQ_CMP) { 642 return (status); 643 } 644 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, ("Probe started\n")); 645 scsi_devise_transport(periph->path); 646 647 /* 648 * Ensure we've waited at least a bus settle 649 * delay before attempting to probe the device. 650 * For HBAs that don't do bus resets, this won't make a difference. 651 */ 652 cam_periph_freeze_after_event(periph, &periph->path->bus->last_reset, 653 scsi_delay); 654 probeschedule(periph); 655 return(CAM_REQ_CMP); 656} 657 658static void 659probeschedule(struct cam_periph *periph) 660{ 661 struct ccb_pathinq cpi; 662 union ccb *ccb; 663 probe_softc *softc; 664 665 softc = (probe_softc *)periph->softc; 666 ccb = (union ccb *)TAILQ_FIRST(&softc->request_ccbs); 667 668 xpt_setup_ccb(&cpi.ccb_h, periph->path, CAM_PRIORITY_NONE); 669 cpi.ccb_h.func_code = XPT_PATH_INQ; 670 xpt_action((union ccb *)&cpi); 671 672 /* 673 * If a device has gone away and another device, or the same one, 674 * is back in the same place, it should have a unit attention 675 * condition pending. It will not report the unit attention in 676 * response to an inquiry, which may leave invalid transfer 677 * negotiations in effect. The TUR will reveal the unit attention 678 * condition. Only send the TUR for lun 0, since some devices 679 * will get confused by commands other than inquiry to non-existent 680 * luns. If you think a device has gone away start your scan from 681 * lun 0. This will insure that any bogus transfer settings are 682 * invalidated. 683 * 684 * If we haven't seen the device before and the controller supports 685 * some kind of transfer negotiation, negotiate with the first 686 * sent command if no bus reset was performed at startup. This 687 * ensures that the device is not confused by transfer negotiation 688 * settings left over by loader or BIOS action. 689 */ 690 if (((ccb->ccb_h.path->device->flags & CAM_DEV_UNCONFIGURED) == 0) 691 && (ccb->ccb_h.target_lun == 0)) { 692 PROBE_SET_ACTION(softc, PROBE_TUR); 693 } else if ((cpi.hba_inquiry & (PI_WIDE_32|PI_WIDE_16|PI_SDTR_ABLE)) != 0 694 && (cpi.hba_misc & PIM_NOBUSRESET) != 0) { 695 proberequestdefaultnegotiation(periph); 696 PROBE_SET_ACTION(softc, PROBE_INQUIRY); 697 } else { 698 PROBE_SET_ACTION(softc, PROBE_INQUIRY); 699 } 700 701 if (ccb->crcn.flags & CAM_EXPECT_INQ_CHANGE) 702 softc->flags |= PROBE_NO_ANNOUNCE; 703 else 704 softc->flags &= ~PROBE_NO_ANNOUNCE; 705 706 if (cpi.hba_misc & PIM_EXTLUNS) 707 softc->flags |= PROBE_EXTLUN; 708 else 709 softc->flags &= ~PROBE_EXTLUN; 710 711 xpt_schedule(periph, CAM_PRIORITY_XPT); 712} 713 714static void 715probestart(struct cam_periph *periph, union ccb *start_ccb) 716{ 717 /* Probe the device that our peripheral driver points to */ 718 struct ccb_scsiio *csio; 719 probe_softc *softc; 720 721 CAM_DEBUG(start_ccb->ccb_h.path, CAM_DEBUG_TRACE, ("probestart\n")); 722 723 softc = (probe_softc *)periph->softc; 724 csio = &start_ccb->csio; 725again: 726 727 switch (softc->action) { 728 case PROBE_TUR: 729 case PROBE_TUR_FOR_NEGOTIATION: 730 case PROBE_DV_EXIT: 731 { 732 scsi_test_unit_ready(csio, 733 /*retries*/4, 734 probedone, 735 MSG_SIMPLE_Q_TAG, 736 SSD_FULL_SIZE, 737 /*timeout*/60000); 738 break; 739 } 740 case PROBE_INQUIRY: 741 case PROBE_FULL_INQUIRY: 742 case PROBE_INQUIRY_BASIC_DV1: 743 case PROBE_INQUIRY_BASIC_DV2: 744 { 745 u_int inquiry_len; 746 struct scsi_inquiry_data *inq_buf; 747 748 inq_buf = &periph->path->device->inq_data; 749 750 /* 751 * If the device is currently configured, we calculate an 752 * MD5 checksum of the inquiry data, and if the serial number 753 * length is greater than 0, add the serial number data 754 * into the checksum as well. Once the inquiry and the 755 * serial number check finish, we attempt to figure out 756 * whether we still have the same device. 757 */ 758 if ((periph->path->device->flags & CAM_DEV_UNCONFIGURED) == 0) { 759 760 MD5Init(&softc->context); 761 MD5Update(&softc->context, (unsigned char *)inq_buf, 762 sizeof(struct scsi_inquiry_data)); 763 softc->flags |= PROBE_INQUIRY_CKSUM; 764 if (periph->path->device->serial_num_len > 0) { 765 MD5Update(&softc->context, 766 periph->path->device->serial_num, 767 periph->path->device->serial_num_len); 768 softc->flags |= PROBE_SERIAL_CKSUM; 769 } 770 MD5Final(softc->digest, &softc->context); 771 } 772 773 if (softc->action == PROBE_INQUIRY) 774 inquiry_len = SHORT_INQUIRY_LENGTH; 775 else 776 inquiry_len = SID_ADDITIONAL_LENGTH(inq_buf); 777 778 /* 779 * Some parallel SCSI devices fail to send an 780 * ignore wide residue message when dealing with 781 * odd length inquiry requests. Round up to be 782 * safe. 783 */ 784 inquiry_len = roundup2(inquiry_len, 2); 785 786 if (softc->action == PROBE_INQUIRY_BASIC_DV1 787 || softc->action == PROBE_INQUIRY_BASIC_DV2) { 788 inq_buf = malloc(inquiry_len, M_CAMXPT, M_NOWAIT); 789 } 790 if (inq_buf == NULL) { 791 xpt_print(periph->path, "malloc failure- skipping Basic" 792 "Domain Validation\n"); 793 PROBE_SET_ACTION(softc, PROBE_DV_EXIT); 794 scsi_test_unit_ready(csio, 795 /*retries*/4, 796 probedone, 797 MSG_SIMPLE_Q_TAG, 798 SSD_FULL_SIZE, 799 /*timeout*/60000); 800 break; 801 } 802 scsi_inquiry(csio, 803 /*retries*/4, 804 probedone, 805 MSG_SIMPLE_Q_TAG, 806 (u_int8_t *)inq_buf, 807 inquiry_len, 808 /*evpd*/FALSE, 809 /*page_code*/0, 810 SSD_MIN_SIZE, 811 /*timeout*/60 * 1000); 812 break; 813 } 814 case PROBE_REPORT_LUNS: 815 { 816 void *rp; 817 818 rp = malloc(periph->path->target->rpl_size, 819 M_CAMXPT, M_NOWAIT | M_ZERO); 820 if (rp == NULL) { 821 struct scsi_inquiry_data *inq_buf; 822 inq_buf = &periph->path->device->inq_data; 823 xpt_print(periph->path, 824 "Unable to alloc report luns storage\n"); 825 if (INQ_DATA_TQ_ENABLED(inq_buf)) 826 PROBE_SET_ACTION(softc, PROBE_MODE_SENSE); 827 else 828 PROBE_SET_ACTION(softc, 829 PROBE_SUPPORTED_VPD_LIST); 830 goto again; 831 } 832 scsi_report_luns(csio, 5, probedone, MSG_SIMPLE_Q_TAG, 833 RPL_REPORT_DEFAULT, rp, periph->path->target->rpl_size, 834 SSD_FULL_SIZE, 60000); break; 835 break; 836 } 837 case PROBE_MODE_SENSE: 838 { 839 void *mode_buf; 840 int mode_buf_len; 841 842 mode_buf_len = sizeof(struct scsi_mode_header_6) 843 + sizeof(struct scsi_mode_blk_desc) 844 + sizeof(struct scsi_control_page); 845 mode_buf = malloc(mode_buf_len, M_CAMXPT, M_NOWAIT); 846 if (mode_buf != NULL) { 847 scsi_mode_sense(csio, 848 /*retries*/4, 849 probedone, 850 MSG_SIMPLE_Q_TAG, 851 /*dbd*/FALSE, 852 SMS_PAGE_CTRL_CURRENT, 853 SMS_CONTROL_MODE_PAGE, 854 mode_buf, 855 mode_buf_len, 856 SSD_FULL_SIZE, 857 /*timeout*/60000); 858 break; 859 } 860 xpt_print(periph->path, "Unable to mode sense control page - " 861 "malloc failure\n"); 862 PROBE_SET_ACTION(softc, PROBE_SUPPORTED_VPD_LIST); 863 } 864 /* FALLTHROUGH */ 865 case PROBE_SUPPORTED_VPD_LIST: 866 { 867 struct scsi_vpd_supported_page_list *vpd_list; 868 struct cam_ed *device; 869 870 vpd_list = NULL; 871 device = periph->path->device; 872 873 if ((SCSI_QUIRK(device)->quirks & CAM_QUIRK_NOVPDS) == 0) 874 vpd_list = malloc(sizeof(*vpd_list), M_CAMXPT, 875 M_NOWAIT | M_ZERO); 876 877 if (vpd_list != NULL) { 878 scsi_inquiry(csio, 879 /*retries*/4, 880 probedone, 881 MSG_SIMPLE_Q_TAG, 882 (u_int8_t *)vpd_list, 883 sizeof(*vpd_list), 884 /*evpd*/TRUE, 885 SVPD_SUPPORTED_PAGE_LIST, 886 SSD_MIN_SIZE, 887 /*timeout*/60 * 1000); 888 break; 889 } 890done: 891 /* 892 * We'll have to do without, let our probedone 893 * routine finish up for us. 894 */ 895 start_ccb->csio.data_ptr = NULL; 896 cam_freeze_devq(periph->path); 897 cam_periph_doacquire(periph); 898 probedone(periph, start_ccb); 899 return; 900 } 901 case PROBE_DEVICE_ID: 902 { 903 struct scsi_vpd_device_id *devid; 904 905 devid = NULL; 906 if (scsi_vpd_supported_page(periph, SVPD_DEVICE_ID)) 907 devid = malloc(SVPD_DEVICE_ID_MAX_SIZE, M_CAMXPT, 908 M_NOWAIT | M_ZERO); 909 910 if (devid != NULL) { 911 scsi_inquiry(csio, 912 /*retries*/4, 913 probedone, 914 MSG_SIMPLE_Q_TAG, 915 (uint8_t *)devid, 916 SVPD_DEVICE_ID_MAX_SIZE, 917 /*evpd*/TRUE, 918 SVPD_DEVICE_ID, 919 SSD_MIN_SIZE, 920 /*timeout*/60 * 1000); 921 break; 922 } 923 goto done; 924 } 925 case PROBE_SERIAL_NUM: 926 { 927 struct scsi_vpd_unit_serial_number *serial_buf; 928 struct cam_ed* device; 929 930 serial_buf = NULL; 931 device = periph->path->device; 932 if (device->serial_num != NULL) { 933 free(device->serial_num, M_CAMXPT); 934 device->serial_num = NULL; 935 device->serial_num_len = 0; 936 } 937 938 if (scsi_vpd_supported_page(periph, SVPD_UNIT_SERIAL_NUMBER)) 939 serial_buf = (struct scsi_vpd_unit_serial_number *) 940 malloc(sizeof(*serial_buf), M_CAMXPT, 941 M_NOWAIT|M_ZERO); 942 943 if (serial_buf != NULL) { 944 scsi_inquiry(csio, 945 /*retries*/4, 946 probedone, 947 MSG_SIMPLE_Q_TAG, 948 (u_int8_t *)serial_buf, 949 sizeof(*serial_buf), 950 /*evpd*/TRUE, 951 SVPD_UNIT_SERIAL_NUMBER, 952 SSD_MIN_SIZE, 953 /*timeout*/60 * 1000); 954 break; 955 } 956 goto done; 957 } 958 default: 959 panic("probestart: invalid action state 0x%x\n", softc->action); 960 } 961 start_ccb->ccb_h.flags |= CAM_DEV_QFREEZE; 962 cam_periph_doacquire(periph); 963 xpt_action(start_ccb); 964} 965 966static void 967proberequestdefaultnegotiation(struct cam_periph *periph) 968{ 969 struct ccb_trans_settings cts; 970 971 xpt_setup_ccb(&cts.ccb_h, periph->path, CAM_PRIORITY_NONE); 972 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 973 cts.type = CTS_TYPE_USER_SETTINGS; 974 xpt_action((union ccb *)&cts); 975 if (cam_ccb_status((union ccb *)&cts) != CAM_REQ_CMP) { 976 return; 977 } 978 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 979 cts.type = CTS_TYPE_CURRENT_SETTINGS; 980 xpt_action((union ccb *)&cts); 981} 982 983/* 984 * Backoff Negotiation Code- only pertinent for SPI devices. 985 */ 986static int 987proberequestbackoff(struct cam_periph *periph, struct cam_ed *device) 988{ 989 struct ccb_trans_settings cts; 990 struct ccb_trans_settings_spi *spi; 991 992 memset(&cts, 0, sizeof (cts)); 993 xpt_setup_ccb(&cts.ccb_h, periph->path, CAM_PRIORITY_NONE); 994 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 995 cts.type = CTS_TYPE_CURRENT_SETTINGS; 996 xpt_action((union ccb *)&cts); 997 if (cam_ccb_status((union ccb *)&cts) != CAM_REQ_CMP) { 998 if (bootverbose) { 999 xpt_print(periph->path, 1000 "failed to get current device settings\n"); 1001 } 1002 return (0); 1003 } 1004 if (cts.transport != XPORT_SPI) { 1005 if (bootverbose) { 1006 xpt_print(periph->path, "not SPI transport\n"); 1007 } 1008 return (0); 1009 } 1010 spi = &cts.xport_specific.spi; 1011 1012 /* 1013 * We cannot renegotiate sync rate if we don't have one. 1014 */ 1015 if ((spi->valid & CTS_SPI_VALID_SYNC_RATE) == 0) { 1016 if (bootverbose) { 1017 xpt_print(periph->path, "no sync rate known\n"); 1018 } 1019 return (0); 1020 } 1021 1022 /* 1023 * We'll assert that we don't have to touch PPR options- the 1024 * SIM will see what we do with period and offset and adjust 1025 * the PPR options as appropriate. 1026 */ 1027 1028 /* 1029 * A sync rate with unknown or zero offset is nonsensical. 1030 * A sync period of zero means Async. 1031 */ 1032 if ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) == 0 1033 || spi->sync_offset == 0 || spi->sync_period == 0) { 1034 if (bootverbose) { 1035 xpt_print(periph->path, "no sync rate available\n"); 1036 } 1037 return (0); 1038 } 1039 1040 if (device->flags & CAM_DEV_DV_HIT_BOTTOM) { 1041 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, 1042 ("hit async: giving up on DV\n")); 1043 return (0); 1044 } 1045 1046 1047 /* 1048 * Jump sync_period up by one, but stop at 5MHz and fall back to Async. 1049 * We don't try to remember 'last' settings to see if the SIM actually 1050 * gets into the speed we want to set. We check on the SIM telling 1051 * us that a requested speed is bad, but otherwise don't try and 1052 * check the speed due to the asynchronous and handshake nature 1053 * of speed setting. 1054 */ 1055 spi->valid = CTS_SPI_VALID_SYNC_RATE | CTS_SPI_VALID_SYNC_OFFSET; 1056 for (;;) { 1057 spi->sync_period++; 1058 if (spi->sync_period >= 0xf) { 1059 spi->sync_period = 0; 1060 spi->sync_offset = 0; 1061 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, 1062 ("setting to async for DV\n")); 1063 /* 1064 * Once we hit async, we don't want to try 1065 * any more settings. 1066 */ 1067 device->flags |= CAM_DEV_DV_HIT_BOTTOM; 1068 } else if (bootverbose) { 1069 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, 1070 ("DV: period 0x%x\n", spi->sync_period)); 1071 printf("setting period to 0x%x\n", spi->sync_period); 1072 } 1073 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 1074 cts.type = CTS_TYPE_CURRENT_SETTINGS; 1075 xpt_action((union ccb *)&cts); 1076 if (cam_ccb_status((union ccb *)&cts) != CAM_REQ_CMP) { 1077 break; 1078 } 1079 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, 1080 ("DV: failed to set period 0x%x\n", spi->sync_period)); 1081 if (spi->sync_period == 0) { 1082 return (0); 1083 } 1084 } 1085 return (1); 1086} 1087 1088#define CCB_COMPLETED_OK(ccb) (((ccb).status & CAM_STATUS_MASK) == CAM_REQ_CMP) 1089 1090static void 1091probedone(struct cam_periph *periph, union ccb *done_ccb) 1092{ 1093 probe_softc *softc; 1094 struct cam_path *path; 1095 u_int32_t priority; 1096 1097 CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_TRACE, ("probedone\n")); 1098 1099 softc = (probe_softc *)periph->softc; 1100 path = done_ccb->ccb_h.path; 1101 priority = done_ccb->ccb_h.pinfo.priority; 1102 1103 switch (softc->action) { 1104 case PROBE_TUR: 1105 { 1106 if (cam_ccb_status(done_ccb) != CAM_REQ_CMP) { 1107 1108 if (cam_periph_error(done_ccb, 0, 1109 SF_NO_PRINT, NULL) == ERESTART) { 1110outr: 1111 /* Drop freeze taken due to CAM_DEV_QFREEZE */ 1112 cam_release_devq(path, 0, 0, 0, FALSE); 1113 return; 1114 } 1115 else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 1116 /* Don't wedge the queue */ 1117 xpt_release_devq(done_ccb->ccb_h.path, 1118 /*count*/1, 1119 /*run_queue*/TRUE); 1120 } 1121 PROBE_SET_ACTION(softc, PROBE_INQUIRY); 1122 xpt_release_ccb(done_ccb); 1123 xpt_schedule(periph, priority); 1124out: 1125 /* Drop freeze taken due to CAM_DEV_QFREEZE and release. */ 1126 cam_release_devq(path, 0, 0, 0, FALSE); 1127 cam_periph_release_locked(periph); 1128 return; 1129 } 1130 case PROBE_INQUIRY: 1131 case PROBE_FULL_INQUIRY: 1132 { 1133 if (cam_ccb_status(done_ccb) == CAM_REQ_CMP) { 1134 struct scsi_inquiry_data *inq_buf; 1135 u_int8_t periph_qual; 1136 1137 path->device->flags |= CAM_DEV_INQUIRY_DATA_VALID; 1138 scsi_find_quirk(path->device); 1139 inq_buf = &path->device->inq_data; 1140 1141 periph_qual = SID_QUAL(inq_buf); 1142 1143 if (periph_qual == SID_QUAL_LU_CONNECTED) { 1144 u_int8_t len; 1145 1146 /* 1147 * We conservatively request only 1148 * SHORT_INQUIRY_LEN bytes of inquiry 1149 * information during our first try 1150 * at sending an INQUIRY. If the device 1151 * has more information to give, 1152 * perform a second request specifying 1153 * the amount of information the device 1154 * is willing to give. 1155 */ 1156 len = inq_buf->additional_length 1157 + offsetof(struct scsi_inquiry_data, 1158 additional_length) + 1; 1159 if (softc->action == PROBE_INQUIRY 1160 && len > SHORT_INQUIRY_LENGTH) { 1161 PROBE_SET_ACTION(softc, PROBE_FULL_INQUIRY); 1162 xpt_release_ccb(done_ccb); 1163 xpt_schedule(periph, priority); 1164 goto out; 1165 } 1166 1167 scsi_devise_transport(path); 1168 1169 if (path->device->lun_id == 0 && 1170 SID_ANSI_REV(inq_buf) > SCSI_REV_SPC2 && 1171 (SCSI_QUIRK(path->device)->quirks & 1172 CAM_QUIRK_NORPTLUNS) == 0) { 1173 PROBE_SET_ACTION(softc, 1174 PROBE_REPORT_LUNS); 1175 /* 1176 * Start with room for *one* lun. 1177 */ 1178 periph->path->target->rpl_size = 16; 1179 } else if (INQ_DATA_TQ_ENABLED(inq_buf)) 1180 PROBE_SET_ACTION(softc, 1181 PROBE_MODE_SENSE); 1182 else 1183 PROBE_SET_ACTION(softc, 1184 PROBE_SUPPORTED_VPD_LIST); 1185 1186 if (path->device->flags & CAM_DEV_UNCONFIGURED) { 1187 path->device->flags &= ~CAM_DEV_UNCONFIGURED; 1188 xpt_acquire_device(path->device); 1189 } 1190 xpt_release_ccb(done_ccb); 1191 xpt_schedule(periph, priority); 1192 goto out; 1193 } else if (path->device->lun_id == 0 && 1194 SID_ANSI_REV(inq_buf) >= SCSI_REV_SPC2 && 1195 (SCSI_QUIRK(path->device)->quirks & 1196 CAM_QUIRK_NORPTLUNS) == 0) { 1197 PROBE_SET_ACTION(softc, PROBE_REPORT_LUNS); 1198 periph->path->target->rpl_size = 16; 1199 xpt_release_ccb(done_ccb); 1200 xpt_schedule(periph, priority); 1201 goto out; 1202 } 1203 } else if (cam_periph_error(done_ccb, 0, 1204 done_ccb->ccb_h.target_lun > 0 1205 ? SF_RETRY_UA|SF_QUIET_IR 1206 : SF_RETRY_UA, 1207 &softc->saved_ccb) == ERESTART) { 1208 goto outr; 1209 } else { 1210 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1211 /* Don't wedge the queue */ 1212 xpt_release_devq(done_ccb->ccb_h.path, 1213 /*count*/1, /*run_queue*/TRUE); 1214 } 1215 path->device->flags &= ~CAM_DEV_INQUIRY_DATA_VALID; 1216 } 1217 /* 1218 * If we get to this point, we got an error status back 1219 * from the inquiry and the error status doesn't require 1220 * automatically retrying the command. Therefore, the 1221 * inquiry failed. If we had inquiry information before 1222 * for this device, but this latest inquiry command failed, 1223 * the device has probably gone away. If this device isn't 1224 * already marked unconfigured, notify the peripheral 1225 * drivers that this device is no more. 1226 */ 1227 if ((path->device->flags & CAM_DEV_UNCONFIGURED) == 0) 1228 /* Send the async notification. */ 1229 xpt_async(AC_LOST_DEVICE, path, NULL); 1230 PROBE_SET_ACTION(softc, PROBE_INVALID); 1231 1232 xpt_release_ccb(done_ccb); 1233 break; 1234 } 1235 case PROBE_REPORT_LUNS: 1236 { 1237 struct ccb_scsiio *csio; 1238 struct scsi_report_luns_data *lp; 1239 u_int nlun, maxlun; 1240 1241 csio = &done_ccb->csio; 1242 1243 lp = (struct scsi_report_luns_data *)csio->data_ptr; 1244 nlun = scsi_4btoul(lp->length) / 8; 1245 maxlun = (csio->dxfer_len / 8) - 1; 1246 1247 if (cam_ccb_status(done_ccb) != CAM_REQ_CMP) { 1248 if (cam_periph_error(done_ccb, 0, 1249 done_ccb->ccb_h.target_lun > 0 ? 1250 SF_RETRY_UA|SF_QUIET_IR : SF_RETRY_UA, 1251 &softc->saved_ccb) == ERESTART) { 1252 goto outr; 1253 } 1254 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1255 xpt_release_devq(done_ccb->ccb_h.path, 1, 1256 TRUE); 1257 } 1258 free(lp, M_CAMXPT); 1259 lp = NULL; 1260 } else if (nlun > maxlun) { 1261 /* 1262 * Reallocate and retry to cover all luns 1263 */ 1264 CAM_DEBUG(path, CAM_DEBUG_PROBE, 1265 ("Probe: reallocating REPORT_LUNS for %u luns\n", 1266 nlun)); 1267 free(lp, M_CAMXPT); 1268 path->target->rpl_size = (nlun << 3) + 8; 1269 xpt_release_ccb(done_ccb); 1270 xpt_schedule(periph, priority); 1271 goto out; 1272 } else if (nlun == 0) { 1273 /* 1274 * If there don't appear to be any luns, bail. 1275 */ 1276 free(lp, M_CAMXPT); 1277 lp = NULL; 1278 } else { 1279 lun_id_t lun; 1280 int idx; 1281 1282 CAM_DEBUG(path, CAM_DEBUG_PROBE, 1283 ("Probe: %u lun(s) reported\n", nlun)); 1284 1285 CAM_GET_LUN(lp, 0, lun); 1286 /* 1287 * If the first lun is not lun 0, then either there 1288 * is no lun 0 in the list, or the list is unsorted. 1289 */ 1290 if (lun != 0) { 1291 for (idx = 0; idx < nlun; idx++) { 1292 CAM_GET_LUN(lp, idx, lun); 1293 if (lun == 0) { 1294 break; 1295 } 1296 } 1297 if (idx != nlun) { 1298 uint8_t tlun[8]; 1299 memcpy(tlun, 1300 lp->luns[0].lundata, 8); 1301 memcpy(lp->luns[0].lundata, 1302 lp->luns[idx].lundata, 8); 1303 memcpy(lp->luns[idx].lundata, 1304 tlun, 8); 1305 CAM_DEBUG(path, CAM_DEBUG_PROBE, 1306 ("lun 0 in position %u\n", idx)); 1307 } 1308 } 1309 /* 1310 * If we have an old lun list, We can either 1311 * retest luns that appear to have been dropped, 1312 * or just nuke them. We'll opt for the latter. 1313 * This function will also install the new list 1314 * in the target structure. 1315 */ 1316 probe_purge_old(path, lp, softc->flags); 1317 lp = NULL; 1318 } 1319 if (path->device->flags & CAM_DEV_INQUIRY_DATA_VALID && 1320 SID_QUAL(&path->device->inq_data) == SID_QUAL_LU_CONNECTED) { 1321 struct scsi_inquiry_data *inq_buf; 1322 inq_buf = &path->device->inq_data; 1323 if (INQ_DATA_TQ_ENABLED(inq_buf)) 1324 PROBE_SET_ACTION(softc, PROBE_MODE_SENSE); 1325 else 1326 PROBE_SET_ACTION(softc, 1327 PROBE_SUPPORTED_VPD_LIST); 1328 xpt_release_ccb(done_ccb); 1329 xpt_schedule(periph, priority); 1330 goto out; 1331 } 1332 if (lp) { 1333 free(lp, M_CAMXPT); 1334 } 1335 PROBE_SET_ACTION(softc, PROBE_INVALID); 1336 xpt_release_ccb(done_ccb); 1337 break; 1338 } 1339 case PROBE_MODE_SENSE: 1340 { 1341 struct ccb_scsiio *csio; 1342 struct scsi_mode_header_6 *mode_hdr; 1343 1344 csio = &done_ccb->csio; 1345 mode_hdr = (struct scsi_mode_header_6 *)csio->data_ptr; 1346 if (cam_ccb_status(done_ccb) == CAM_REQ_CMP) { 1347 struct scsi_control_page *page; 1348 u_int8_t *offset; 1349 1350 offset = ((u_int8_t *)&mode_hdr[1]) 1351 + mode_hdr->blk_desc_len; 1352 page = (struct scsi_control_page *)offset; 1353 path->device->queue_flags = page->queue_flags; 1354 } else if (cam_periph_error(done_ccb, 0, 1355 SF_RETRY_UA|SF_NO_PRINT, 1356 &softc->saved_ccb) == ERESTART) { 1357 goto outr; 1358 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1359 /* Don't wedge the queue */ 1360 xpt_release_devq(done_ccb->ccb_h.path, 1361 /*count*/1, /*run_queue*/TRUE); 1362 } 1363 xpt_release_ccb(done_ccb); 1364 free(mode_hdr, M_CAMXPT); 1365 PROBE_SET_ACTION(softc, PROBE_SUPPORTED_VPD_LIST); 1366 xpt_schedule(periph, priority); 1367 goto out; 1368 } 1369 case PROBE_SUPPORTED_VPD_LIST: 1370 { 1371 struct ccb_scsiio *csio; 1372 struct scsi_vpd_supported_page_list *page_list; 1373 1374 csio = &done_ccb->csio; 1375 page_list = 1376 (struct scsi_vpd_supported_page_list *)csio->data_ptr; 1377 1378 if (path->device->supported_vpds != NULL) { 1379 free(path->device->supported_vpds, M_CAMXPT); 1380 path->device->supported_vpds = NULL; 1381 path->device->supported_vpds_len = 0; 1382 } 1383 1384 if (page_list == NULL) { 1385 /* 1386 * Don't process the command as it was never sent 1387 */ 1388 } else if (CCB_COMPLETED_OK(csio->ccb_h)) { 1389 /* Got vpd list */ 1390 path->device->supported_vpds_len = page_list->length + 1391 SVPD_SUPPORTED_PAGES_HDR_LEN; 1392 path->device->supported_vpds = (uint8_t *)page_list; 1393 xpt_release_ccb(done_ccb); 1394 PROBE_SET_ACTION(softc, PROBE_DEVICE_ID); 1395 xpt_schedule(periph, priority); 1396 goto out; 1397 } else if (cam_periph_error(done_ccb, 0, 1398 SF_RETRY_UA|SF_NO_PRINT, 1399 &softc->saved_ccb) == ERESTART) { 1400 goto outr; 1401 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1402 /* Don't wedge the queue */ 1403 xpt_release_devq(done_ccb->ccb_h.path, /*count*/1, 1404 /*run_queue*/TRUE); 1405 } 1406 1407 if (page_list) 1408 free(page_list, M_CAMXPT); 1409 /* No VPDs available, skip to device check. */ 1410 csio->data_ptr = NULL; 1411 goto probe_device_check; 1412 } 1413 case PROBE_DEVICE_ID: 1414 { 1415 struct scsi_vpd_device_id *devid; 1416 struct ccb_scsiio *csio; 1417 uint32_t length = 0; 1418 1419 csio = &done_ccb->csio; 1420 devid = (struct scsi_vpd_device_id *)csio->data_ptr; 1421 1422 /* Clean up from previous instance of this device */ 1423 if (path->device->device_id != NULL) { 1424 path->device->device_id_len = 0; 1425 free(path->device->device_id, M_CAMXPT); 1426 path->device->device_id = NULL; 1427 } 1428 1429 if (devid == NULL) { 1430 /* Don't process the command as it was never sent */ 1431 } else if (CCB_COMPLETED_OK(csio->ccb_h)) { 1432 length = scsi_2btoul(devid->length); 1433 if (length != 0) { 1434 /* 1435 * NB: device_id_len is actual response 1436 * size, not buffer size. 1437 */ 1438 path->device->device_id_len = length + 1439 SVPD_DEVICE_ID_HDR_LEN; 1440 path->device->device_id = (uint8_t *)devid; 1441 } 1442 } else if (cam_periph_error(done_ccb, 0, 1443 SF_RETRY_UA, 1444 &softc->saved_ccb) == ERESTART) { 1445 goto outr; 1446 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1447 /* Don't wedge the queue */ 1448 xpt_release_devq(done_ccb->ccb_h.path, /*count*/1, 1449 /*run_queue*/TRUE); 1450 } 1451 1452 /* Free the device id space if we don't use it */ 1453 if (devid && length == 0) 1454 free(devid, M_CAMXPT); 1455 xpt_release_ccb(done_ccb); 1456 PROBE_SET_ACTION(softc, PROBE_SERIAL_NUM); 1457 xpt_schedule(periph, priority); 1458 goto out; 1459 } 1460 1461probe_device_check: 1462 case PROBE_SERIAL_NUM: 1463 { 1464 struct ccb_scsiio *csio; 1465 struct scsi_vpd_unit_serial_number *serial_buf; 1466 u_int32_t priority; 1467 int changed; 1468 int have_serialnum; 1469 1470 changed = 1; 1471 have_serialnum = 0; 1472 csio = &done_ccb->csio; 1473 priority = done_ccb->ccb_h.pinfo.priority; 1474 serial_buf = 1475 (struct scsi_vpd_unit_serial_number *)csio->data_ptr; 1476 1477 if (serial_buf == NULL) { 1478 /* 1479 * Don't process the command as it was never sent 1480 */ 1481 } else if (cam_ccb_status(done_ccb) == CAM_REQ_CMP 1482 && (serial_buf->length > 0)) { 1483 1484 have_serialnum = 1; 1485 path->device->serial_num = 1486 (u_int8_t *)malloc((serial_buf->length + 1), 1487 M_CAMXPT, M_NOWAIT); 1488 if (path->device->serial_num != NULL) { 1489 memcpy(path->device->serial_num, 1490 serial_buf->serial_num, 1491 serial_buf->length); 1492 path->device->serial_num_len = 1493 serial_buf->length; 1494 path->device->serial_num[serial_buf->length] 1495 = '\0'; 1496 } 1497 } else if (cam_periph_error(done_ccb, 0, 1498 SF_RETRY_UA|SF_NO_PRINT, 1499 &softc->saved_ccb) == ERESTART) { 1500 goto outr; 1501 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1502 /* Don't wedge the queue */ 1503 xpt_release_devq(done_ccb->ccb_h.path, /*count*/1, 1504 /*run_queue*/TRUE); 1505 } 1506 1507 /* 1508 * Let's see if we have seen this device before. 1509 */ 1510 if ((softc->flags & PROBE_INQUIRY_CKSUM) != 0) { 1511 MD5_CTX context; 1512 u_int8_t digest[16]; 1513 1514 MD5Init(&context); 1515 1516 MD5Update(&context, 1517 (unsigned char *)&path->device->inq_data, 1518 sizeof(struct scsi_inquiry_data)); 1519 1520 if (have_serialnum) 1521 MD5Update(&context, serial_buf->serial_num, 1522 serial_buf->length); 1523 1524 MD5Final(digest, &context); 1525 if (bcmp(softc->digest, digest, 16) == 0) 1526 changed = 0; 1527 1528 /* 1529 * XXX Do we need to do a TUR in order to ensure 1530 * that the device really hasn't changed??? 1531 */ 1532 if ((changed != 0) 1533 && ((softc->flags & PROBE_NO_ANNOUNCE) == 0)) 1534 xpt_async(AC_LOST_DEVICE, path, NULL); 1535 } 1536 if (serial_buf != NULL) 1537 free(serial_buf, M_CAMXPT); 1538 1539 if (changed != 0) { 1540 /* 1541 * Now that we have all the necessary 1542 * information to safely perform transfer 1543 * negotiations... Controllers don't perform 1544 * any negotiation or tagged queuing until 1545 * after the first XPT_SET_TRAN_SETTINGS ccb is 1546 * received. So, on a new device, just retrieve 1547 * the user settings, and set them as the current 1548 * settings to set the device up. 1549 */ 1550 proberequestdefaultnegotiation(periph); 1551 xpt_release_ccb(done_ccb); 1552 1553 /* 1554 * Perform a TUR to allow the controller to 1555 * perform any necessary transfer negotiation. 1556 */ 1557 PROBE_SET_ACTION(softc, PROBE_TUR_FOR_NEGOTIATION); 1558 xpt_schedule(periph, priority); 1559 goto out; 1560 } 1561 xpt_release_ccb(done_ccb); 1562 break; 1563 } 1564 case PROBE_TUR_FOR_NEGOTIATION: 1565 case PROBE_DV_EXIT: 1566 if (cam_ccb_status(done_ccb) != CAM_REQ_CMP) { 1567 cam_periph_error(done_ccb, 0, 1568 SF_NO_PRINT | SF_NO_RECOVERY | SF_NO_RETRY, NULL); 1569 } 1570 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1571 /* Don't wedge the queue */ 1572 xpt_release_devq(done_ccb->ccb_h.path, /*count*/1, 1573 /*run_queue*/TRUE); 1574 } 1575 /* 1576 * Do Domain Validation for lun 0 on devices that claim 1577 * to support Synchronous Transfer modes. 1578 */ 1579 if (softc->action == PROBE_TUR_FOR_NEGOTIATION 1580 && done_ccb->ccb_h.target_lun == 0 1581 && (path->device->inq_data.flags & SID_Sync) != 0 1582 && (path->device->flags & CAM_DEV_IN_DV) == 0) { 1583 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, 1584 ("Begin Domain Validation\n")); 1585 path->device->flags |= CAM_DEV_IN_DV; 1586 xpt_release_ccb(done_ccb); 1587 PROBE_SET_ACTION(softc, PROBE_INQUIRY_BASIC_DV1); 1588 xpt_schedule(periph, priority); 1589 goto out; 1590 } 1591 if (softc->action == PROBE_DV_EXIT) { 1592 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, 1593 ("Leave Domain Validation\n")); 1594 } 1595 if (path->device->flags & CAM_DEV_UNCONFIGURED) { 1596 path->device->flags &= ~CAM_DEV_UNCONFIGURED; 1597 xpt_acquire_device(path->device); 1598 } 1599 path->device->flags &= 1600 ~(CAM_DEV_IN_DV|CAM_DEV_DV_HIT_BOTTOM); 1601 if ((softc->flags & PROBE_NO_ANNOUNCE) == 0) { 1602 /* Inform the XPT that a new device has been found */ 1603 done_ccb->ccb_h.func_code = XPT_GDEV_TYPE; 1604 xpt_action(done_ccb); 1605 xpt_async(AC_FOUND_DEVICE, done_ccb->ccb_h.path, 1606 done_ccb); 1607 } 1608 PROBE_SET_ACTION(softc, PROBE_DONE); 1609 xpt_release_ccb(done_ccb); 1610 break; 1611 case PROBE_INQUIRY_BASIC_DV1: 1612 case PROBE_INQUIRY_BASIC_DV2: 1613 { 1614 struct scsi_inquiry_data *nbuf; 1615 struct ccb_scsiio *csio; 1616 1617 if (cam_ccb_status(done_ccb) != CAM_REQ_CMP) { 1618 cam_periph_error(done_ccb, 0, 1619 SF_NO_PRINT | SF_NO_RECOVERY | SF_NO_RETRY, NULL); 1620 } 1621 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1622 /* Don't wedge the queue */ 1623 xpt_release_devq(done_ccb->ccb_h.path, /*count*/1, 1624 /*run_queue*/TRUE); 1625 } 1626 csio = &done_ccb->csio; 1627 nbuf = (struct scsi_inquiry_data *)csio->data_ptr; 1628 if (bcmp(nbuf, &path->device->inq_data, SHORT_INQUIRY_LENGTH)) { 1629 xpt_print(path, 1630 "inquiry data fails comparison at DV%d step\n", 1631 softc->action == PROBE_INQUIRY_BASIC_DV1 ? 1 : 2); 1632 if (proberequestbackoff(periph, path->device)) { 1633 path->device->flags &= ~CAM_DEV_IN_DV; 1634 PROBE_SET_ACTION(softc, PROBE_TUR_FOR_NEGOTIATION); 1635 } else { 1636 /* give up */ 1637 PROBE_SET_ACTION(softc, PROBE_DV_EXIT); 1638 } 1639 free(nbuf, M_CAMXPT); 1640 xpt_release_ccb(done_ccb); 1641 xpt_schedule(periph, priority); 1642 goto out; 1643 } 1644 free(nbuf, M_CAMXPT); 1645 if (softc->action == PROBE_INQUIRY_BASIC_DV1) { 1646 PROBE_SET_ACTION(softc, PROBE_INQUIRY_BASIC_DV2); 1647 xpt_release_ccb(done_ccb); 1648 xpt_schedule(periph, priority); 1649 goto out; 1650 } 1651 if (softc->action == PROBE_INQUIRY_BASIC_DV2) { 1652 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, 1653 ("Leave Domain Validation Successfully\n")); 1654 } 1655 if (path->device->flags & CAM_DEV_UNCONFIGURED) { 1656 path->device->flags &= ~CAM_DEV_UNCONFIGURED; 1657 xpt_acquire_device(path->device); 1658 } 1659 path->device->flags &= 1660 ~(CAM_DEV_IN_DV|CAM_DEV_DV_HIT_BOTTOM); 1661 if ((softc->flags & PROBE_NO_ANNOUNCE) == 0) { 1662 /* Inform the XPT that a new device has been found */ 1663 done_ccb->ccb_h.func_code = XPT_GDEV_TYPE; 1664 xpt_action(done_ccb); 1665 xpt_async(AC_FOUND_DEVICE, done_ccb->ccb_h.path, 1666 done_ccb); 1667 } 1668 PROBE_SET_ACTION(softc, PROBE_DONE); 1669 xpt_release_ccb(done_ccb); 1670 break; 1671 } 1672 default: 1673 panic("probedone: invalid action state 0x%x\n", softc->action); 1674 } 1675 done_ccb = (union ccb *)TAILQ_FIRST(&softc->request_ccbs); 1676 TAILQ_REMOVE(&softc->request_ccbs, &done_ccb->ccb_h, periph_links.tqe); 1677 done_ccb->ccb_h.status = CAM_REQ_CMP; 1678 xpt_done(done_ccb); 1679 if (TAILQ_FIRST(&softc->request_ccbs) == NULL) { 1680 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, ("Probe completed\n")); 1681 /* Drop freeze taken due to CAM_DEV_QFREEZE flag set. */ 1682 cam_release_devq(path, 0, 0, 0, FALSE); 1683 cam_periph_release_locked(periph); 1684 cam_periph_invalidate(periph); 1685 cam_periph_release_locked(periph); 1686 } else { 1687 probeschedule(periph); 1688 goto out; 1689 } 1690} 1691 1692static void 1693probe_purge_old(struct cam_path *path, struct scsi_report_luns_data *new, 1694 probe_flags flags) 1695{ 1696 struct cam_path *tp; 1697 struct scsi_report_luns_data *old; 1698 u_int idx1, idx2, nlun_old, nlun_new; 1699 lun_id_t this_lun; 1700 u_int8_t *ol, *nl; 1701 1702 if (path->target == NULL) { 1703 return; 1704 } 1705 mtx_lock(&path->target->luns_mtx); 1706 old = path->target->luns; 1707 path->target->luns = new; 1708 mtx_unlock(&path->target->luns_mtx); 1709 if (old == NULL) 1710 return; 1711 nlun_old = scsi_4btoul(old->length) / 8; 1712 nlun_new = scsi_4btoul(new->length) / 8; 1713 1714 /* 1715 * We are not going to assume sorted lists. Deal. 1716 */ 1717 for (idx1 = 0; idx1 < nlun_old; idx1++) { 1718 ol = old->luns[idx1].lundata; 1719 for (idx2 = 0; idx2 < nlun_new; idx2++) { 1720 nl = new->luns[idx2].lundata; 1721 if (memcmp(nl, ol, 8) == 0) { 1722 break; 1723 } 1724 } 1725 if (idx2 < nlun_new) { 1726 continue; 1727 } 1728 /* 1729 * An 'old' item not in the 'new' list. 1730 * Nuke it. Except that if it is lun 0, 1731 * that would be what the probe state 1732 * machine is currently working on, 1733 * so we won't do that. 1734 */ 1735 CAM_GET_LUN(old, idx1, this_lun); 1736 if (this_lun == 0) { 1737 continue; 1738 } 1739 1740 /* 1741 * We also cannot nuke it if it is 1742 * not in a lun format we understand 1743 * and replace the LUN with a "simple" LUN 1744 * if that is all the HBA supports. 1745 */ 1746 if (!(flags & PROBE_EXTLUN)) { 1747 if (!CAM_CAN_GET_SIMPLE_LUN(old, idx1)) 1748 continue; 1749 CAM_GET_SIMPLE_LUN(old, idx1, this_lun); 1750 } 1751 1752 if (xpt_create_path(&tp, NULL, xpt_path_path_id(path), 1753 xpt_path_target_id(path), this_lun) == CAM_REQ_CMP) { 1754 xpt_async(AC_LOST_DEVICE, tp, NULL); 1755 xpt_free_path(tp); 1756 } 1757 } 1758 free(old, M_CAMXPT); 1759} 1760 1761static void 1762probecleanup(struct cam_periph *periph) 1763{ 1764 free(periph->softc, M_CAMXPT); 1765} 1766 1767static void 1768scsi_find_quirk(struct cam_ed *device) 1769{ 1770 struct scsi_quirk_entry *quirk; 1771 caddr_t match; 1772 1773 match = cam_quirkmatch((caddr_t)&device->inq_data, 1774 (caddr_t)scsi_quirk_table, 1775 sizeof(scsi_quirk_table) / 1776 sizeof(*scsi_quirk_table), 1777 sizeof(*scsi_quirk_table), scsi_inquiry_match); 1778 1779 if (match == NULL) 1780 panic("xpt_find_quirk: device didn't match wildcard entry!!"); 1781 1782 quirk = (struct scsi_quirk_entry *)match; 1783 device->quirk = quirk; 1784 device->mintags = quirk->mintags; 1785 device->maxtags = quirk->maxtags; 1786} 1787 1788static int 1789sysctl_cam_search_luns(SYSCTL_HANDLER_ARGS) 1790{ 1791 int error, val; 1792 1793 val = cam_srch_hi; 1794 error = sysctl_handle_int(oidp, &val, 0, req); 1795 if (error != 0 || req->newptr == NULL) 1796 return (error); 1797 if (val == 0 || val == 1) { 1798 cam_srch_hi = val; 1799 return (0); 1800 } else { 1801 return (EINVAL); 1802 } 1803} 1804 1805typedef struct { 1806 union ccb *request_ccb; 1807 struct ccb_pathinq *cpi; 1808 int counter; 1809 int lunindex[0]; 1810} scsi_scan_bus_info; 1811 1812/* 1813 * To start a scan, request_ccb is an XPT_SCAN_BUS ccb. 1814 * As the scan progresses, scsi_scan_bus is used as the 1815 * callback on completion function. 1816 */ 1817static void 1818scsi_scan_bus(struct cam_periph *periph, union ccb *request_ccb) 1819{ 1820 struct mtx *mtx; 1821 1822 CAM_DEBUG(request_ccb->ccb_h.path, CAM_DEBUG_TRACE, 1823 ("scsi_scan_bus\n")); 1824 switch (request_ccb->ccb_h.func_code) { 1825 case XPT_SCAN_BUS: 1826 case XPT_SCAN_TGT: 1827 { 1828 scsi_scan_bus_info *scan_info; 1829 union ccb *work_ccb, *reset_ccb; 1830 struct cam_path *path; 1831 u_int i; 1832 u_int low_target, max_target; 1833 u_int initiator_id; 1834 1835 /* Find out the characteristics of the bus */ 1836 work_ccb = xpt_alloc_ccb_nowait(); 1837 if (work_ccb == NULL) { 1838 request_ccb->ccb_h.status = CAM_RESRC_UNAVAIL; 1839 xpt_done(request_ccb); 1840 return; 1841 } 1842 xpt_setup_ccb(&work_ccb->ccb_h, request_ccb->ccb_h.path, 1843 request_ccb->ccb_h.pinfo.priority); 1844 work_ccb->ccb_h.func_code = XPT_PATH_INQ; 1845 xpt_action(work_ccb); 1846 if (work_ccb->ccb_h.status != CAM_REQ_CMP) { 1847 request_ccb->ccb_h.status = work_ccb->ccb_h.status; 1848 xpt_free_ccb(work_ccb); 1849 xpt_done(request_ccb); 1850 return; 1851 } 1852 1853 if ((work_ccb->cpi.hba_misc & PIM_NOINITIATOR) != 0) { 1854 /* 1855 * Can't scan the bus on an adapter that 1856 * cannot perform the initiator role. 1857 */ 1858 request_ccb->ccb_h.status = CAM_REQ_CMP; 1859 xpt_free_ccb(work_ccb); 1860 xpt_done(request_ccb); 1861 return; 1862 } 1863 1864 /* We may need to reset bus first, if we haven't done it yet. */ 1865 if ((work_ccb->cpi.hba_inquiry & 1866 (PI_WIDE_32|PI_WIDE_16|PI_SDTR_ABLE)) && 1867 !(work_ccb->cpi.hba_misc & PIM_NOBUSRESET) && 1868 !timevalisset(&request_ccb->ccb_h.path->bus->last_reset) && 1869 (reset_ccb = xpt_alloc_ccb_nowait()) != NULL) { 1870 xpt_setup_ccb(&reset_ccb->ccb_h, request_ccb->ccb_h.path, 1871 CAM_PRIORITY_NONE); 1872 reset_ccb->ccb_h.func_code = XPT_RESET_BUS; 1873 xpt_action(reset_ccb); 1874 if (reset_ccb->ccb_h.status != CAM_REQ_CMP) { 1875 request_ccb->ccb_h.status = reset_ccb->ccb_h.status; 1876 xpt_free_ccb(reset_ccb); 1877 xpt_free_ccb(work_ccb); 1878 xpt_done(request_ccb); 1879 return; 1880 } 1881 xpt_free_ccb(reset_ccb); 1882 } 1883 1884 /* Save some state for use while we probe for devices */ 1885 scan_info = (scsi_scan_bus_info *) malloc(sizeof(scsi_scan_bus_info) + 1886 (work_ccb->cpi.max_target * sizeof (u_int)), M_CAMXPT, M_ZERO|M_NOWAIT); 1887 if (scan_info == NULL) { 1888 request_ccb->ccb_h.status = CAM_RESRC_UNAVAIL; 1889 xpt_free_ccb(work_ccb); 1890 xpt_done(request_ccb); 1891 return; 1892 } 1893 CAM_DEBUG(request_ccb->ccb_h.path, CAM_DEBUG_TRACE, 1894 ("SCAN start for %p\n", scan_info)); 1895 scan_info->request_ccb = request_ccb; 1896 scan_info->cpi = &work_ccb->cpi; 1897 1898 /* Cache on our stack so we can work asynchronously */ 1899 max_target = scan_info->cpi->max_target; 1900 low_target = 0; 1901 initiator_id = scan_info->cpi->initiator_id; 1902 1903 1904 /* 1905 * We can scan all targets in parallel, or do it sequentially. 1906 */ 1907 1908 if (request_ccb->ccb_h.func_code == XPT_SCAN_TGT) { 1909 max_target = low_target = request_ccb->ccb_h.target_id; 1910 scan_info->counter = 0; 1911 } else if (scan_info->cpi->hba_misc & PIM_SEQSCAN) { 1912 max_target = 0; 1913 scan_info->counter = 0; 1914 } else { 1915 scan_info->counter = scan_info->cpi->max_target + 1; 1916 if (scan_info->cpi->initiator_id < scan_info->counter) { 1917 scan_info->counter--; 1918 } 1919 } 1920 mtx = xpt_path_mtx(scan_info->request_ccb->ccb_h.path); 1921 mtx_unlock(mtx); 1922 1923 for (i = low_target; i <= max_target; i++) { 1924 cam_status status; 1925 if (i == initiator_id) 1926 continue; 1927 1928 status = xpt_create_path(&path, NULL, 1929 request_ccb->ccb_h.path_id, 1930 i, 0); 1931 if (status != CAM_REQ_CMP) { 1932 printf("scsi_scan_bus: xpt_create_path failed" 1933 " with status %#x, bus scan halted\n", 1934 status); 1935 free(scan_info, M_CAMXPT); 1936 request_ccb->ccb_h.status = status; 1937 xpt_free_ccb(work_ccb); 1938 xpt_done(request_ccb); 1939 break; 1940 } 1941 work_ccb = xpt_alloc_ccb_nowait(); 1942 if (work_ccb == NULL) { 1943 xpt_free_ccb((union ccb *)scan_info->cpi); 1944 free(scan_info, M_CAMXPT); 1945 xpt_free_path(path); 1946 request_ccb->ccb_h.status = CAM_RESRC_UNAVAIL; 1947 xpt_done(request_ccb); 1948 break; 1949 } 1950 xpt_setup_ccb(&work_ccb->ccb_h, path, 1951 request_ccb->ccb_h.pinfo.priority); 1952 work_ccb->ccb_h.func_code = XPT_SCAN_LUN; 1953 work_ccb->ccb_h.cbfcnp = scsi_scan_bus; 1954 work_ccb->ccb_h.flags |= CAM_UNLOCKED; 1955 work_ccb->ccb_h.ppriv_ptr0 = scan_info; 1956 work_ccb->crcn.flags = request_ccb->crcn.flags; 1957 xpt_action(work_ccb); 1958 } 1959 1960 mtx_lock(mtx); 1961 break; 1962 } 1963 case XPT_SCAN_LUN: 1964 { 1965 cam_status status; 1966 struct cam_path *path, *oldpath; 1967 scsi_scan_bus_info *scan_info; 1968 struct cam_et *target; 1969 struct cam_ed *device, *nextdev; 1970 int next_target; 1971 path_id_t path_id; 1972 target_id_t target_id; 1973 lun_id_t lun_id; 1974 1975 oldpath = request_ccb->ccb_h.path; 1976 1977 status = cam_ccb_status(request_ccb); 1978 scan_info = (scsi_scan_bus_info *)request_ccb->ccb_h.ppriv_ptr0; 1979 path_id = request_ccb->ccb_h.path_id; 1980 target_id = request_ccb->ccb_h.target_id; 1981 lun_id = request_ccb->ccb_h.target_lun; 1982 target = request_ccb->ccb_h.path->target; 1983 next_target = 1; 1984 1985 mtx = xpt_path_mtx(scan_info->request_ccb->ccb_h.path); 1986 mtx_lock(mtx); 1987 mtx_lock(&target->luns_mtx); 1988 if (target->luns) { 1989 lun_id_t first; 1990 u_int nluns = scsi_4btoul(target->luns->length) / 8; 1991 1992 /* 1993 * Make sure we skip over lun 0 if it's the first member 1994 * of the list as we've actually just finished probing 1995 * it. 1996 */ 1997 CAM_GET_LUN(target->luns, 0, first); 1998 if (first == 0 && scan_info->lunindex[target_id] == 0) { 1999 scan_info->lunindex[target_id]++; 2000 } 2001 2002 /* 2003 * Skip any LUNs that the HBA can't deal with. 2004 */ 2005 while (scan_info->lunindex[target_id] < nluns) { 2006 if (scan_info->cpi->hba_misc & PIM_EXTLUNS) { 2007 CAM_GET_LUN(target->luns, 2008 scan_info->lunindex[target_id], 2009 lun_id); 2010 break; 2011 } 2012 2013 if (CAM_CAN_GET_SIMPLE_LUN(target->luns, 2014 scan_info->lunindex[target_id])) { 2015 CAM_GET_SIMPLE_LUN(target->luns, 2016 scan_info->lunindex[target_id], 2017 lun_id); 2018 break; 2019 } 2020 2021 scan_info->lunindex[target_id]++; 2022 } 2023 2024 if (scan_info->lunindex[target_id] < nluns) { 2025 mtx_unlock(&target->luns_mtx); 2026 next_target = 0; 2027 CAM_DEBUG(request_ccb->ccb_h.path, 2028 CAM_DEBUG_PROBE, 2029 ("next lun to try at index %u is %jx\n", 2030 scan_info->lunindex[target_id], 2031 (uintmax_t)lun_id)); 2032 scan_info->lunindex[target_id]++; 2033 } else { 2034 mtx_unlock(&target->luns_mtx); 2035 /* 2036 * We're done with scanning all luns. 2037 * 2038 * Nuke the bogus device for lun 0 if lun 0 2039 * wasn't on the list. 2040 */ 2041 if (first != 0) { 2042 TAILQ_FOREACH(device, 2043 &target->ed_entries, links) { 2044 if (device->lun_id == 0) { 2045 break; 2046 } 2047 } 2048 if (device) { 2049 xpt_release_device(device); 2050 } 2051 } 2052 } 2053 } else { 2054 mtx_unlock(&target->luns_mtx); 2055 device = request_ccb->ccb_h.path->device; 2056 /* Continue sequential LUN scan if: */ 2057 /* -- we have more LUNs that need recheck */ 2058 mtx_lock(&target->bus->eb_mtx); 2059 nextdev = device; 2060 while ((nextdev = TAILQ_NEXT(nextdev, links)) != NULL) 2061 if ((nextdev->flags & CAM_DEV_UNCONFIGURED) == 0) 2062 break; 2063 mtx_unlock(&target->bus->eb_mtx); 2064 if (nextdev != NULL) { 2065 next_target = 0; 2066 /* -- stop if CAM_QUIRK_NOLUNS is set. */ 2067 } else if (SCSI_QUIRK(device)->quirks & CAM_QUIRK_NOLUNS) { 2068 next_target = 1; 2069 /* -- this LUN is connected and its SCSI version 2070 * allows more LUNs. */ 2071 } else if ((device->flags & CAM_DEV_UNCONFIGURED) == 0) { 2072 if (lun_id < (CAM_SCSI2_MAXLUN-1) || 2073 CAN_SRCH_HI_DENSE(device)) 2074 next_target = 0; 2075 /* -- this LUN is disconnected, its SCSI version 2076 * allows more LUNs and we guess they may be. */ 2077 } else if ((device->flags & CAM_DEV_INQUIRY_DATA_VALID) != 0) { 2078 if (lun_id < (CAM_SCSI2_MAXLUN-1) || 2079 CAN_SRCH_HI_SPARSE(device)) 2080 next_target = 0; 2081 } 2082 if (next_target == 0) { 2083 lun_id++; 2084 if (lun_id > scan_info->cpi->max_lun) 2085 next_target = 1; 2086 } 2087 } 2088 2089 /* 2090 * Check to see if we scan any further luns. 2091 */ 2092 if (next_target) { 2093 int done; 2094 2095 /* 2096 * Free the current request path- we're done with it. 2097 */ 2098 xpt_free_path(oldpath); 2099 hop_again: 2100 done = 0; 2101 if (scan_info->request_ccb->ccb_h.func_code == XPT_SCAN_TGT) { 2102 done = 1; 2103 } else if (scan_info->cpi->hba_misc & PIM_SEQSCAN) { 2104 scan_info->counter++; 2105 if (scan_info->counter == 2106 scan_info->cpi->initiator_id) { 2107 scan_info->counter++; 2108 } 2109 if (scan_info->counter >= 2110 scan_info->cpi->max_target+1) { 2111 done = 1; 2112 } 2113 } else { 2114 scan_info->counter--; 2115 if (scan_info->counter == 0) { 2116 done = 1; 2117 } 2118 } 2119 if (done) { 2120 mtx_unlock(mtx); 2121 xpt_free_ccb(request_ccb); 2122 xpt_free_ccb((union ccb *)scan_info->cpi); 2123 request_ccb = scan_info->request_ccb; 2124 CAM_DEBUG(request_ccb->ccb_h.path, 2125 CAM_DEBUG_TRACE, 2126 ("SCAN done for %p\n", scan_info)); 2127 free(scan_info, M_CAMXPT); 2128 request_ccb->ccb_h.status = CAM_REQ_CMP; 2129 xpt_done(request_ccb); 2130 break; 2131 } 2132 2133 if ((scan_info->cpi->hba_misc & PIM_SEQSCAN) == 0) { 2134 mtx_unlock(mtx); 2135 xpt_free_ccb(request_ccb); 2136 break; 2137 } 2138 status = xpt_create_path(&path, NULL, 2139 scan_info->request_ccb->ccb_h.path_id, 2140 scan_info->counter, 0); 2141 if (status != CAM_REQ_CMP) { 2142 mtx_unlock(mtx); 2143 printf("scsi_scan_bus: xpt_create_path failed" 2144 " with status %#x, bus scan halted\n", 2145 status); 2146 xpt_free_ccb(request_ccb); 2147 xpt_free_ccb((union ccb *)scan_info->cpi); 2148 request_ccb = scan_info->request_ccb; 2149 free(scan_info, M_CAMXPT); 2150 request_ccb->ccb_h.status = status; 2151 xpt_done(request_ccb); 2152 break; 2153 } 2154 xpt_setup_ccb(&request_ccb->ccb_h, path, 2155 request_ccb->ccb_h.pinfo.priority); 2156 request_ccb->ccb_h.func_code = XPT_SCAN_LUN; 2157 request_ccb->ccb_h.cbfcnp = scsi_scan_bus; 2158 request_ccb->ccb_h.flags |= CAM_UNLOCKED; 2159 request_ccb->ccb_h.ppriv_ptr0 = scan_info; 2160 request_ccb->crcn.flags = 2161 scan_info->request_ccb->crcn.flags; 2162 } else { 2163 status = xpt_create_path(&path, NULL, 2164 path_id, target_id, lun_id); 2165 /* 2166 * Free the old request path- we're done with it. We 2167 * do this *after* creating the new path so that 2168 * we don't remove a target that has our lun list 2169 * in the case that lun 0 is not present. 2170 */ 2171 xpt_free_path(oldpath); 2172 if (status != CAM_REQ_CMP) { 2173 printf("scsi_scan_bus: xpt_create_path failed " 2174 "with status %#x, halting LUN scan\n", 2175 status); 2176 goto hop_again; 2177 } 2178 xpt_setup_ccb(&request_ccb->ccb_h, path, 2179 request_ccb->ccb_h.pinfo.priority); 2180 request_ccb->ccb_h.func_code = XPT_SCAN_LUN; 2181 request_ccb->ccb_h.cbfcnp = scsi_scan_bus; 2182 request_ccb->ccb_h.flags |= CAM_UNLOCKED; 2183 request_ccb->ccb_h.ppriv_ptr0 = scan_info; 2184 request_ccb->crcn.flags = 2185 scan_info->request_ccb->crcn.flags; 2186 } 2187 mtx_unlock(mtx); 2188 xpt_action(request_ccb); 2189 break; 2190 } 2191 default: 2192 break; 2193 } 2194} 2195 2196static void 2197scsi_scan_lun(struct cam_periph *periph, struct cam_path *path, 2198 cam_flags flags, union ccb *request_ccb) 2199{ 2200 struct ccb_pathinq cpi; 2201 cam_status status; 2202 struct cam_path *new_path; 2203 struct cam_periph *old_periph; 2204 int lock; 2205 2206 CAM_DEBUG(path, CAM_DEBUG_TRACE, ("scsi_scan_lun\n")); 2207 2208 xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NONE); 2209 cpi.ccb_h.func_code = XPT_PATH_INQ; 2210 xpt_action((union ccb *)&cpi); 2211 2212 if (cpi.ccb_h.status != CAM_REQ_CMP) { 2213 if (request_ccb != NULL) { 2214 request_ccb->ccb_h.status = cpi.ccb_h.status; 2215 xpt_done(request_ccb); 2216 } 2217 return; 2218 } 2219 2220 if ((cpi.hba_misc & PIM_NOINITIATOR) != 0) { 2221 /* 2222 * Can't scan the bus on an adapter that 2223 * cannot perform the initiator role. 2224 */ 2225 if (request_ccb != NULL) { 2226 request_ccb->ccb_h.status = CAM_REQ_CMP; 2227 xpt_done(request_ccb); 2228 } 2229 return; 2230 } 2231 2232 if (request_ccb == NULL) { 2233 request_ccb = xpt_alloc_ccb_nowait(); 2234 if (request_ccb == NULL) { 2235 xpt_print(path, "scsi_scan_lun: can't allocate CCB, " 2236 "can't continue\n"); 2237 return; 2238 } 2239 status = xpt_create_path(&new_path, NULL, 2240 path->bus->path_id, 2241 path->target->target_id, 2242 path->device->lun_id); 2243 if (status != CAM_REQ_CMP) { 2244 xpt_print(path, "scsi_scan_lun: can't create path, " 2245 "can't continue\n"); 2246 xpt_free_ccb(request_ccb); 2247 return; 2248 } 2249 xpt_setup_ccb(&request_ccb->ccb_h, new_path, CAM_PRIORITY_XPT); 2250 request_ccb->ccb_h.cbfcnp = xptscandone; 2251 request_ccb->ccb_h.func_code = XPT_SCAN_LUN; 2252 request_ccb->ccb_h.flags |= CAM_UNLOCKED; 2253 request_ccb->crcn.flags = flags; 2254 } 2255 2256 lock = (xpt_path_owned(path) == 0); 2257 if (lock) 2258 xpt_path_lock(path); 2259 if ((old_periph = cam_periph_find(path, "probe")) != NULL) { 2260 if ((old_periph->flags & CAM_PERIPH_INVALID) == 0) { 2261 probe_softc *softc; 2262 2263 softc = (probe_softc *)old_periph->softc; 2264 TAILQ_INSERT_TAIL(&softc->request_ccbs, 2265 &request_ccb->ccb_h, periph_links.tqe); 2266 } else { 2267 request_ccb->ccb_h.status = CAM_REQ_CMP_ERR; 2268 xpt_done(request_ccb); 2269 } 2270 } else { 2271 status = cam_periph_alloc(proberegister, NULL, probecleanup, 2272 probestart, "probe", 2273 CAM_PERIPH_BIO, 2274 request_ccb->ccb_h.path, NULL, 0, 2275 request_ccb); 2276 2277 if (status != CAM_REQ_CMP) { 2278 xpt_print(path, "scsi_scan_lun: cam_alloc_periph " 2279 "returned an error, can't continue probe\n"); 2280 request_ccb->ccb_h.status = status; 2281 xpt_done(request_ccb); 2282 } 2283 } 2284 if (lock) 2285 xpt_path_unlock(path); 2286} 2287 2288static void 2289xptscandone(struct cam_periph *periph, union ccb *done_ccb) 2290{ 2291 2292 xpt_free_path(done_ccb->ccb_h.path); 2293 xpt_free_ccb(done_ccb); 2294} 2295 2296static struct cam_ed * 2297scsi_alloc_device(struct cam_eb *bus, struct cam_et *target, lun_id_t lun_id) 2298{ 2299 struct scsi_quirk_entry *quirk; 2300 struct cam_ed *device; 2301 2302 device = xpt_alloc_device(bus, target, lun_id); 2303 if (device == NULL) 2304 return (NULL); 2305 2306 /* 2307 * Take the default quirk entry until we have inquiry 2308 * data and can determine a better quirk to use. 2309 */ 2310 quirk = &scsi_quirk_table[scsi_quirk_table_size - 1]; 2311 device->quirk = (void *)quirk; 2312 device->mintags = quirk->mintags; 2313 device->maxtags = quirk->maxtags; 2314 bzero(&device->inq_data, sizeof(device->inq_data)); 2315 device->inq_flags = 0; 2316 device->queue_flags = 0; 2317 device->serial_num = NULL; 2318 device->serial_num_len = 0; 2319 device->device_id = NULL; 2320 device->device_id_len = 0; 2321 device->supported_vpds = NULL; 2322 device->supported_vpds_len = 0; 2323 return (device); 2324} 2325 2326static void 2327scsi_devise_transport(struct cam_path *path) 2328{ 2329 struct ccb_pathinq cpi; 2330 struct ccb_trans_settings cts; 2331 struct scsi_inquiry_data *inq_buf; 2332 2333 /* Get transport information from the SIM */ 2334 xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NONE); 2335 cpi.ccb_h.func_code = XPT_PATH_INQ; 2336 xpt_action((union ccb *)&cpi); 2337 2338 inq_buf = NULL; 2339 if ((path->device->flags & CAM_DEV_INQUIRY_DATA_VALID) != 0) 2340 inq_buf = &path->device->inq_data; 2341 path->device->protocol = PROTO_SCSI; 2342 path->device->protocol_version = 2343 inq_buf != NULL ? SID_ANSI_REV(inq_buf) : cpi.protocol_version; 2344 path->device->transport = cpi.transport; 2345 path->device->transport_version = cpi.transport_version; 2346 2347 /* 2348 * Any device not using SPI3 features should 2349 * be considered SPI2 or lower. 2350 */ 2351 if (inq_buf != NULL) { 2352 if (path->device->transport == XPORT_SPI 2353 && (inq_buf->spi3data & SID_SPI_MASK) == 0 2354 && path->device->transport_version > 2) 2355 path->device->transport_version = 2; 2356 } else { 2357 struct cam_ed* otherdev; 2358 2359 for (otherdev = TAILQ_FIRST(&path->target->ed_entries); 2360 otherdev != NULL; 2361 otherdev = TAILQ_NEXT(otherdev, links)) { 2362 if (otherdev != path->device) 2363 break; 2364 } 2365 2366 if (otherdev != NULL) { 2367 /* 2368 * Initially assume the same versioning as 2369 * prior luns for this target. 2370 */ 2371 path->device->protocol_version = 2372 otherdev->protocol_version; 2373 path->device->transport_version = 2374 otherdev->transport_version; 2375 } else { 2376 /* Until we know better, opt for safty */ 2377 path->device->protocol_version = 2; 2378 if (path->device->transport == XPORT_SPI) 2379 path->device->transport_version = 2; 2380 else 2381 path->device->transport_version = 0; 2382 } 2383 } 2384 2385 /* 2386 * XXX 2387 * For a device compliant with SPC-2 we should be able 2388 * to determine the transport version supported by 2389 * scrutinizing the version descriptors in the 2390 * inquiry buffer. 2391 */ 2392 2393 /* Tell the controller what we think */ 2394 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 2395 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 2396 cts.type = CTS_TYPE_CURRENT_SETTINGS; 2397 cts.transport = path->device->transport; 2398 cts.transport_version = path->device->transport_version; 2399 cts.protocol = path->device->protocol; 2400 cts.protocol_version = path->device->protocol_version; 2401 cts.proto_specific.valid = 0; 2402 cts.xport_specific.valid = 0; 2403 xpt_action((union ccb *)&cts); 2404} 2405 2406static void 2407scsi_dev_advinfo(union ccb *start_ccb) 2408{ 2409 struct cam_ed *device; 2410 struct ccb_dev_advinfo *cdai; 2411 off_t amt; 2412 2413 start_ccb->ccb_h.status = CAM_REQ_INVALID; 2414 device = start_ccb->ccb_h.path->device; 2415 cdai = &start_ccb->cdai; 2416 switch(cdai->buftype) { 2417 case CDAI_TYPE_SCSI_DEVID: 2418 if (cdai->flags & CDAI_FLAG_STORE) 2419 return; 2420 cdai->provsiz = device->device_id_len; 2421 if (device->device_id_len == 0) 2422 break; 2423 amt = device->device_id_len; 2424 if (cdai->provsiz > cdai->bufsiz) 2425 amt = cdai->bufsiz; 2426 memcpy(cdai->buf, device->device_id, amt); 2427 break; 2428 case CDAI_TYPE_SERIAL_NUM: 2429 if (cdai->flags & CDAI_FLAG_STORE) 2430 return; 2431 cdai->provsiz = device->serial_num_len; 2432 if (device->serial_num_len == 0) 2433 break; 2434 amt = device->serial_num_len; 2435 if (cdai->provsiz > cdai->bufsiz) 2436 amt = cdai->bufsiz; 2437 memcpy(cdai->buf, device->serial_num, amt); 2438 break; 2439 case CDAI_TYPE_PHYS_PATH: 2440 if (cdai->flags & CDAI_FLAG_STORE) { 2441 if (device->physpath != NULL) { 2442 free(device->physpath, M_CAMXPT); 2443 device->physpath = NULL; 2444 } 2445 device->physpath_len = cdai->bufsiz; 2446 /* Clear existing buffer if zero length */ 2447 if (cdai->bufsiz == 0) 2448 break; 2449 device->physpath = malloc(cdai->bufsiz, M_CAMXPT, M_NOWAIT); 2450 if (device->physpath == NULL) { 2451 start_ccb->ccb_h.status = CAM_REQ_ABORTED; 2452 return; 2453 } 2454 memcpy(device->physpath, cdai->buf, cdai->bufsiz); 2455 } else { 2456 cdai->provsiz = device->physpath_len; 2457 if (device->physpath_len == 0) 2458 break; 2459 amt = device->physpath_len; 2460 if (cdai->provsiz > cdai->bufsiz) 2461 amt = cdai->bufsiz; 2462 memcpy(cdai->buf, device->physpath, amt); 2463 } 2464 break; 2465 case CDAI_TYPE_RCAPLONG: 2466 if (cdai->flags & CDAI_FLAG_STORE) { 2467 if (device->rcap_buf != NULL) { 2468 free(device->rcap_buf, M_CAMXPT); 2469 device->rcap_buf = NULL; 2470 } 2471 2472 device->rcap_len = cdai->bufsiz; 2473 /* Clear existing buffer if zero length */ 2474 if (cdai->bufsiz == 0) 2475 break; 2476 2477 device->rcap_buf = malloc(cdai->bufsiz, M_CAMXPT, 2478 M_NOWAIT); 2479 if (device->rcap_buf == NULL) { 2480 start_ccb->ccb_h.status = CAM_REQ_ABORTED; 2481 return; 2482 } 2483 2484 memcpy(device->rcap_buf, cdai->buf, cdai->bufsiz); 2485 } else { 2486 cdai->provsiz = device->rcap_len; 2487 if (device->rcap_len == 0) 2488 break; 2489 amt = device->rcap_len; 2490 if (cdai->provsiz > cdai->bufsiz) 2491 amt = cdai->bufsiz; 2492 memcpy(cdai->buf, device->rcap_buf, amt); 2493 } 2494 break; 2495 default: 2496 return; 2497 } 2498 start_ccb->ccb_h.status = CAM_REQ_CMP; 2499 2500 if (cdai->flags & CDAI_FLAG_STORE) { 2501 xpt_async(AC_ADVINFO_CHANGED, start_ccb->ccb_h.path, 2502 (void *)(uintptr_t)cdai->buftype); 2503 } 2504} 2505 2506static void 2507scsi_action(union ccb *start_ccb) 2508{ 2509 2510 switch (start_ccb->ccb_h.func_code) { 2511 case XPT_SET_TRAN_SETTINGS: 2512 { 2513 scsi_set_transfer_settings(&start_ccb->cts, 2514 start_ccb->ccb_h.path, 2515 /*async_update*/FALSE); 2516 break; 2517 } 2518 case XPT_SCAN_BUS: 2519 case XPT_SCAN_TGT: 2520 scsi_scan_bus(start_ccb->ccb_h.path->periph, start_ccb); 2521 break; 2522 case XPT_SCAN_LUN: 2523 scsi_scan_lun(start_ccb->ccb_h.path->periph, 2524 start_ccb->ccb_h.path, start_ccb->crcn.flags, 2525 start_ccb); 2526 break; 2527 case XPT_DEV_ADVINFO: 2528 { 2529 scsi_dev_advinfo(start_ccb); 2530 break; 2531 } 2532 default: 2533 xpt_action_default(start_ccb); 2534 break; 2535 } 2536} 2537 2538static void 2539scsi_set_transfer_settings(struct ccb_trans_settings *cts, struct cam_path *path, 2540 int async_update) 2541{ 2542 struct ccb_pathinq cpi; 2543 struct ccb_trans_settings cur_cts; 2544 struct ccb_trans_settings_scsi *scsi; 2545 struct ccb_trans_settings_scsi *cur_scsi; 2546 struct scsi_inquiry_data *inq_data; 2547 struct cam_ed *device; 2548 2549 if (path == NULL || (device = path->device) == NULL) { 2550 cts->ccb_h.status = CAM_PATH_INVALID; 2551 xpt_done((union ccb *)cts); 2552 return; 2553 } 2554 2555 if (cts->protocol == PROTO_UNKNOWN 2556 || cts->protocol == PROTO_UNSPECIFIED) { 2557 cts->protocol = device->protocol; 2558 cts->protocol_version = device->protocol_version; 2559 } 2560 2561 if (cts->protocol_version == PROTO_VERSION_UNKNOWN 2562 || cts->protocol_version == PROTO_VERSION_UNSPECIFIED) 2563 cts->protocol_version = device->protocol_version; 2564 2565 if (cts->protocol != device->protocol) { 2566 xpt_print(path, "Uninitialized Protocol %x:%x?\n", 2567 cts->protocol, device->protocol); 2568 cts->protocol = device->protocol; 2569 } 2570 2571 if (cts->protocol_version > device->protocol_version) { 2572 if (bootverbose) { 2573 xpt_print(path, "Down reving Protocol " 2574 "Version from %d to %d?\n", cts->protocol_version, 2575 device->protocol_version); 2576 } 2577 cts->protocol_version = device->protocol_version; 2578 } 2579 2580 if (cts->transport == XPORT_UNKNOWN 2581 || cts->transport == XPORT_UNSPECIFIED) { 2582 cts->transport = device->transport; 2583 cts->transport_version = device->transport_version; 2584 } 2585 2586 if (cts->transport_version == XPORT_VERSION_UNKNOWN 2587 || cts->transport_version == XPORT_VERSION_UNSPECIFIED) 2588 cts->transport_version = device->transport_version; 2589 2590 if (cts->transport != device->transport) { 2591 xpt_print(path, "Uninitialized Transport %x:%x?\n", 2592 cts->transport, device->transport); 2593 cts->transport = device->transport; 2594 } 2595 2596 if (cts->transport_version > device->transport_version) { 2597 if (bootverbose) { 2598 xpt_print(path, "Down reving Transport " 2599 "Version from %d to %d?\n", cts->transport_version, 2600 device->transport_version); 2601 } 2602 cts->transport_version = device->transport_version; 2603 } 2604 2605 /* 2606 * Nothing more of interest to do unless 2607 * this is a device connected via the 2608 * SCSI protocol. 2609 */ 2610 if (cts->protocol != PROTO_SCSI) { 2611 if (async_update == FALSE) 2612 xpt_action_default((union ccb *)cts); 2613 return; 2614 } 2615 2616 inq_data = &device->inq_data; 2617 scsi = &cts->proto_specific.scsi; 2618 xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NONE); 2619 cpi.ccb_h.func_code = XPT_PATH_INQ; 2620 xpt_action((union ccb *)&cpi); 2621 2622 /* SCSI specific sanity checking */ 2623 if ((cpi.hba_inquiry & PI_TAG_ABLE) == 0 2624 || (INQ_DATA_TQ_ENABLED(inq_data)) == 0 2625 || (device->queue_flags & SCP_QUEUE_DQUE) != 0 2626 || (device->mintags == 0)) { 2627 /* 2628 * Can't tag on hardware that doesn't support tags, 2629 * doesn't have it enabled, or has broken tag support. 2630 */ 2631 scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB; 2632 } 2633 2634 if (async_update == FALSE) { 2635 /* 2636 * Perform sanity checking against what the 2637 * controller and device can do. 2638 */ 2639 xpt_setup_ccb(&cur_cts.ccb_h, path, CAM_PRIORITY_NONE); 2640 cur_cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 2641 cur_cts.type = cts->type; 2642 xpt_action((union ccb *)&cur_cts); 2643 if (cam_ccb_status((union ccb *)&cur_cts) != CAM_REQ_CMP) { 2644 return; 2645 } 2646 cur_scsi = &cur_cts.proto_specific.scsi; 2647 if ((scsi->valid & CTS_SCSI_VALID_TQ) == 0) { 2648 scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB; 2649 scsi->flags |= cur_scsi->flags & CTS_SCSI_FLAGS_TAG_ENB; 2650 } 2651 if ((cur_scsi->valid & CTS_SCSI_VALID_TQ) == 0) 2652 scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB; 2653 } 2654 2655 /* SPI specific sanity checking */ 2656 if (cts->transport == XPORT_SPI && async_update == FALSE) { 2657 u_int spi3caps; 2658 struct ccb_trans_settings_spi *spi; 2659 struct ccb_trans_settings_spi *cur_spi; 2660 2661 spi = &cts->xport_specific.spi; 2662 2663 cur_spi = &cur_cts.xport_specific.spi; 2664 2665 /* Fill in any gaps in what the user gave us */ 2666 if ((spi->valid & CTS_SPI_VALID_SYNC_RATE) == 0) 2667 spi->sync_period = cur_spi->sync_period; 2668 if ((cur_spi->valid & CTS_SPI_VALID_SYNC_RATE) == 0) 2669 spi->sync_period = 0; 2670 if ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) == 0) 2671 spi->sync_offset = cur_spi->sync_offset; 2672 if ((cur_spi->valid & CTS_SPI_VALID_SYNC_OFFSET) == 0) 2673 spi->sync_offset = 0; 2674 if ((spi->valid & CTS_SPI_VALID_PPR_OPTIONS) == 0) 2675 spi->ppr_options = cur_spi->ppr_options; 2676 if ((cur_spi->valid & CTS_SPI_VALID_PPR_OPTIONS) == 0) 2677 spi->ppr_options = 0; 2678 if ((spi->valid & CTS_SPI_VALID_BUS_WIDTH) == 0) 2679 spi->bus_width = cur_spi->bus_width; 2680 if ((cur_spi->valid & CTS_SPI_VALID_BUS_WIDTH) == 0) 2681 spi->bus_width = 0; 2682 if ((spi->valid & CTS_SPI_VALID_DISC) == 0) { 2683 spi->flags &= ~CTS_SPI_FLAGS_DISC_ENB; 2684 spi->flags |= cur_spi->flags & CTS_SPI_FLAGS_DISC_ENB; 2685 } 2686 if ((cur_spi->valid & CTS_SPI_VALID_DISC) == 0) 2687 spi->flags &= ~CTS_SPI_FLAGS_DISC_ENB; 2688 if (((device->flags & CAM_DEV_INQUIRY_DATA_VALID) != 0 2689 && (inq_data->flags & SID_Sync) == 0 2690 && cts->type == CTS_TYPE_CURRENT_SETTINGS) 2691 || ((cpi.hba_inquiry & PI_SDTR_ABLE) == 0)) { 2692 /* Force async */ 2693 spi->sync_period = 0; 2694 spi->sync_offset = 0; 2695 } 2696 2697 switch (spi->bus_width) { 2698 case MSG_EXT_WDTR_BUS_32_BIT: 2699 if (((device->flags & CAM_DEV_INQUIRY_DATA_VALID) == 0 2700 || (inq_data->flags & SID_WBus32) != 0 2701 || cts->type == CTS_TYPE_USER_SETTINGS) 2702 && (cpi.hba_inquiry & PI_WIDE_32) != 0) 2703 break; 2704 /* Fall Through to 16-bit */ 2705 case MSG_EXT_WDTR_BUS_16_BIT: 2706 if (((device->flags & CAM_DEV_INQUIRY_DATA_VALID) == 0 2707 || (inq_data->flags & SID_WBus16) != 0 2708 || cts->type == CTS_TYPE_USER_SETTINGS) 2709 && (cpi.hba_inquiry & PI_WIDE_16) != 0) { 2710 spi->bus_width = MSG_EXT_WDTR_BUS_16_BIT; 2711 break; 2712 } 2713 /* Fall Through to 8-bit */ 2714 default: /* New bus width?? */ 2715 case MSG_EXT_WDTR_BUS_8_BIT: 2716 /* All targets can do this */ 2717 spi->bus_width = MSG_EXT_WDTR_BUS_8_BIT; 2718 break; 2719 } 2720 2721 spi3caps = cpi.xport_specific.spi.ppr_options; 2722 if ((device->flags & CAM_DEV_INQUIRY_DATA_VALID) != 0 2723 && cts->type == CTS_TYPE_CURRENT_SETTINGS) 2724 spi3caps &= inq_data->spi3data; 2725 2726 if ((spi3caps & SID_SPI_CLOCK_DT) == 0) 2727 spi->ppr_options &= ~MSG_EXT_PPR_DT_REQ; 2728 2729 if ((spi3caps & SID_SPI_IUS) == 0) 2730 spi->ppr_options &= ~MSG_EXT_PPR_IU_REQ; 2731 2732 if ((spi3caps & SID_SPI_QAS) == 0) 2733 spi->ppr_options &= ~MSG_EXT_PPR_QAS_REQ; 2734 2735 /* No SPI Transfer settings are allowed unless we are wide */ 2736 if (spi->bus_width == 0) 2737 spi->ppr_options = 0; 2738 2739 if ((spi->valid & CTS_SPI_VALID_DISC) 2740 && ((spi->flags & CTS_SPI_FLAGS_DISC_ENB) == 0)) { 2741 /* 2742 * Can't tag queue without disconnection. 2743 */ 2744 scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB; 2745 scsi->valid |= CTS_SCSI_VALID_TQ; 2746 } 2747 2748 /* 2749 * If we are currently performing tagged transactions to 2750 * this device and want to change its negotiation parameters, 2751 * go non-tagged for a bit to give the controller a chance to 2752 * negotiate unhampered by tag messages. 2753 */ 2754 if (cts->type == CTS_TYPE_CURRENT_SETTINGS 2755 && (device->inq_flags & SID_CmdQue) != 0 2756 && (scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0 2757 && (spi->flags & (CTS_SPI_VALID_SYNC_RATE| 2758 CTS_SPI_VALID_SYNC_OFFSET| 2759 CTS_SPI_VALID_BUS_WIDTH)) != 0) 2760 scsi_toggle_tags(path); 2761 } 2762 2763 if (cts->type == CTS_TYPE_CURRENT_SETTINGS 2764 && (scsi->valid & CTS_SCSI_VALID_TQ) != 0) { 2765 int device_tagenb; 2766 2767 /* 2768 * If we are transitioning from tags to no-tags or 2769 * vice-versa, we need to carefully freeze and restart 2770 * the queue so that we don't overlap tagged and non-tagged 2771 * commands. We also temporarily stop tags if there is 2772 * a change in transfer negotiation settings to allow 2773 * "tag-less" negotiation. 2774 */ 2775 if ((device->flags & CAM_DEV_TAG_AFTER_COUNT) != 0 2776 || (device->inq_flags & SID_CmdQue) != 0) 2777 device_tagenb = TRUE; 2778 else 2779 device_tagenb = FALSE; 2780 2781 if (((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0 2782 && device_tagenb == FALSE) 2783 || ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) == 0 2784 && device_tagenb == TRUE)) { 2785 2786 if ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0) { 2787 /* 2788 * Delay change to use tags until after a 2789 * few commands have gone to this device so 2790 * the controller has time to perform transfer 2791 * negotiations without tagged messages getting 2792 * in the way. 2793 */ 2794 device->tag_delay_count = CAM_TAG_DELAY_COUNT; 2795 device->flags |= CAM_DEV_TAG_AFTER_COUNT; 2796 } else { 2797 xpt_stop_tags(path); 2798 } 2799 } 2800 } 2801 if (async_update == FALSE) 2802 xpt_action_default((union ccb *)cts); 2803} 2804 2805static void 2806scsi_toggle_tags(struct cam_path *path) 2807{ 2808 struct cam_ed *dev; 2809 2810 /* 2811 * Give controllers a chance to renegotiate 2812 * before starting tag operations. We 2813 * "toggle" tagged queuing off then on 2814 * which causes the tag enable command delay 2815 * counter to come into effect. 2816 */ 2817 dev = path->device; 2818 if ((dev->flags & CAM_DEV_TAG_AFTER_COUNT) != 0 2819 || ((dev->inq_flags & SID_CmdQue) != 0 2820 && (dev->inq_flags & (SID_Sync|SID_WBus16|SID_WBus32)) != 0)) { 2821 struct ccb_trans_settings cts; 2822 2823 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 2824 cts.protocol = PROTO_SCSI; 2825 cts.protocol_version = PROTO_VERSION_UNSPECIFIED; 2826 cts.transport = XPORT_UNSPECIFIED; 2827 cts.transport_version = XPORT_VERSION_UNSPECIFIED; 2828 cts.proto_specific.scsi.flags = 0; 2829 cts.proto_specific.scsi.valid = CTS_SCSI_VALID_TQ; 2830 scsi_set_transfer_settings(&cts, path, 2831 /*async_update*/TRUE); 2832 cts.proto_specific.scsi.flags = CTS_SCSI_FLAGS_TAG_ENB; 2833 scsi_set_transfer_settings(&cts, path, 2834 /*async_update*/TRUE); 2835 } 2836} 2837 2838/* 2839 * Handle any per-device event notifications that require action by the XPT. 2840 */ 2841static void 2842scsi_dev_async(u_int32_t async_code, struct cam_eb *bus, struct cam_et *target, 2843 struct cam_ed *device, void *async_arg) 2844{ 2845 cam_status status; 2846 struct cam_path newpath; 2847 2848 /* 2849 * We only need to handle events for real devices. 2850 */ 2851 if (target->target_id == CAM_TARGET_WILDCARD 2852 || device->lun_id == CAM_LUN_WILDCARD) 2853 return; 2854 2855 /* 2856 * We need our own path with wildcards expanded to 2857 * handle certain types of events. 2858 */ 2859 if ((async_code == AC_SENT_BDR) 2860 || (async_code == AC_BUS_RESET) 2861 || (async_code == AC_INQ_CHANGED)) 2862 status = xpt_compile_path(&newpath, NULL, 2863 bus->path_id, 2864 target->target_id, 2865 device->lun_id); 2866 else 2867 status = CAM_REQ_CMP_ERR; 2868 2869 if (status == CAM_REQ_CMP) { 2870 2871 /* 2872 * Allow transfer negotiation to occur in a 2873 * tag free environment and after settle delay. 2874 */ 2875 if (async_code == AC_SENT_BDR 2876 || async_code == AC_BUS_RESET) { 2877 cam_freeze_devq(&newpath); 2878 cam_release_devq(&newpath, 2879 RELSIM_RELEASE_AFTER_TIMEOUT, 2880 /*reduction*/0, 2881 /*timeout*/scsi_delay, 2882 /*getcount_only*/0); 2883 scsi_toggle_tags(&newpath); 2884 } 2885 2886 if (async_code == AC_INQ_CHANGED) { 2887 /* 2888 * We've sent a start unit command, or 2889 * something similar to a device that 2890 * may have caused its inquiry data to 2891 * change. So we re-scan the device to 2892 * refresh the inquiry data for it. 2893 */ 2894 scsi_scan_lun(newpath.periph, &newpath, 2895 CAM_EXPECT_INQ_CHANGE, NULL); 2896 } 2897 xpt_release_path(&newpath); 2898 } else if (async_code == AC_LOST_DEVICE && 2899 (device->flags & CAM_DEV_UNCONFIGURED) == 0) { 2900 device->flags |= CAM_DEV_UNCONFIGURED; 2901 xpt_release_device(device); 2902 } else if (async_code == AC_TRANSFER_NEG) { 2903 struct ccb_trans_settings *settings; 2904 struct cam_path path; 2905 2906 settings = (struct ccb_trans_settings *)async_arg; 2907 xpt_compile_path(&path, NULL, bus->path_id, target->target_id, 2908 device->lun_id); 2909 scsi_set_transfer_settings(settings, &path, 2910 /*async_update*/TRUE); 2911 xpt_release_path(&path); 2912 } 2913} 2914 2915static void 2916scsi_announce_periph(struct cam_periph *periph) 2917{ 2918 struct ccb_pathinq cpi; 2919 struct ccb_trans_settings cts; 2920 struct cam_path *path = periph->path; 2921 u_int speed; 2922 u_int freq; 2923 u_int mb; 2924 2925 cam_periph_assert(periph, MA_OWNED); 2926 2927 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NORMAL); 2928 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 2929 cts.type = CTS_TYPE_CURRENT_SETTINGS; 2930 xpt_action((union ccb*)&cts); 2931 if (cam_ccb_status((union ccb *)&cts) != CAM_REQ_CMP) 2932 return; 2933 /* Ask the SIM for its base transfer speed */ 2934 xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NORMAL); 2935 cpi.ccb_h.func_code = XPT_PATH_INQ; 2936 xpt_action((union ccb *)&cpi); 2937 /* Report connection speed */ 2938 speed = cpi.base_transfer_speed; 2939 freq = 0; 2940 if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_SPI) { 2941 struct ccb_trans_settings_spi *spi = 2942 &cts.xport_specific.spi; 2943 2944 if ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) != 0 2945 && spi->sync_offset != 0) { 2946 freq = scsi_calc_syncsrate(spi->sync_period); 2947 speed = freq; 2948 } 2949 if ((spi->valid & CTS_SPI_VALID_BUS_WIDTH) != 0) 2950 speed *= (0x01 << spi->bus_width); 2951 } 2952 if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_FC) { 2953 struct ccb_trans_settings_fc *fc = 2954 &cts.xport_specific.fc; 2955 2956 if (fc->valid & CTS_FC_VALID_SPEED) 2957 speed = fc->bitrate; 2958 } 2959 if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_SAS) { 2960 struct ccb_trans_settings_sas *sas = 2961 &cts.xport_specific.sas; 2962 2963 if (sas->valid & CTS_SAS_VALID_SPEED) 2964 speed = sas->bitrate; 2965 } 2966 mb = speed / 1000; 2967 if (mb > 0) 2968 printf("%s%d: %d.%03dMB/s transfers", 2969 periph->periph_name, periph->unit_number, 2970 mb, speed % 1000); 2971 else 2972 printf("%s%d: %dKB/s transfers", periph->periph_name, 2973 periph->unit_number, speed); 2974 /* Report additional information about SPI connections */ 2975 if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_SPI) { 2976 struct ccb_trans_settings_spi *spi; 2977 2978 spi = &cts.xport_specific.spi; 2979 if (freq != 0) { 2980 printf(" (%d.%03dMHz%s, offset %d", freq / 1000, 2981 freq % 1000, 2982 (spi->ppr_options & MSG_EXT_PPR_DT_REQ) != 0 2983 ? " DT" : "", 2984 spi->sync_offset); 2985 } 2986 if ((spi->valid & CTS_SPI_VALID_BUS_WIDTH) != 0 2987 && spi->bus_width > 0) { 2988 if (freq != 0) { 2989 printf(", "); 2990 } else { 2991 printf(" ("); 2992 } 2993 printf("%dbit)", 8 * (0x01 << spi->bus_width)); 2994 } else if (freq != 0) { 2995 printf(")"); 2996 } 2997 } 2998 if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_FC) { 2999 struct ccb_trans_settings_fc *fc; 3000 3001 fc = &cts.xport_specific.fc; 3002 if (fc->valid & CTS_FC_VALID_WWNN) 3003 printf(" WWNN 0x%llx", (long long) fc->wwnn); 3004 if (fc->valid & CTS_FC_VALID_WWPN) 3005 printf(" WWPN 0x%llx", (long long) fc->wwpn); 3006 if (fc->valid & CTS_FC_VALID_PORT) 3007 printf(" PortID 0x%x", fc->port); 3008 } 3009 printf("\n"); 3010} 3011 3012