scsi_xpt.c revision 275204
1/*- 2 * Implementation of the SCSI Transport 3 * 4 * Copyright (c) 1997, 1998, 1999 Justin T. Gibbs. 5 * Copyright (c) 1997, 1998, 1999 Kenneth D. Merry. 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions, and the following disclaimer, 13 * without modification, immediately at the beginning of the file. 14 * 2. The name of the author may not be used to endorse or promote products 15 * derived from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 21 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 */ 29 30#include <sys/cdefs.h> 31__FBSDID("$FreeBSD: stable/10/sys/cam/scsi/scsi_xpt.c 275204 2014-11-28 09:23:15Z mav $"); 32 33#include <sys/param.h> 34#include <sys/bus.h> 35#include <sys/systm.h> 36#include <sys/types.h> 37#include <sys/malloc.h> 38#include <sys/kernel.h> 39#include <sys/time.h> 40#include <sys/conf.h> 41#include <sys/fcntl.h> 42#include <sys/md5.h> 43#include <sys/interrupt.h> 44#include <sys/sbuf.h> 45 46#include <sys/lock.h> 47#include <sys/mutex.h> 48#include <sys/sysctl.h> 49 50#include <cam/cam.h> 51#include <cam/cam_ccb.h> 52#include <cam/cam_queue.h> 53#include <cam/cam_periph.h> 54#include <cam/cam_sim.h> 55#include <cam/cam_xpt.h> 56#include <cam/cam_xpt_sim.h> 57#include <cam/cam_xpt_periph.h> 58#include <cam/cam_xpt_internal.h> 59#include <cam/cam_debug.h> 60 61#include <cam/scsi/scsi_all.h> 62#include <cam/scsi/scsi_message.h> 63#include <cam/scsi/scsi_pass.h> 64#include <machine/stdarg.h> /* for xpt_print below */ 65#include "opt_cam.h" 66 67struct scsi_quirk_entry { 68 struct scsi_inquiry_pattern inq_pat; 69 u_int8_t quirks; 70#define CAM_QUIRK_NOLUNS 0x01 71#define CAM_QUIRK_NOVPDS 0x02 72#define CAM_QUIRK_HILUNS 0x04 73#define CAM_QUIRK_NOHILUNS 0x08 74#define CAM_QUIRK_NORPTLUNS 0x10 75 u_int mintags; 76 u_int maxtags; 77}; 78#define SCSI_QUIRK(dev) ((struct scsi_quirk_entry *)((dev)->quirk)) 79 80static int cam_srch_hi = 0; 81TUNABLE_INT("kern.cam.cam_srch_hi", &cam_srch_hi); 82static int sysctl_cam_search_luns(SYSCTL_HANDLER_ARGS); 83SYSCTL_PROC(_kern_cam, OID_AUTO, cam_srch_hi, CTLTYPE_INT|CTLFLAG_RW, 0, 0, 84 sysctl_cam_search_luns, "I", 85 "allow search above LUN 7 for SCSI3 and greater devices"); 86 87#define CAM_SCSI2_MAXLUN 8 88#define CAM_CAN_GET_SIMPLE_LUN(x, i) \ 89 ((((x)->luns[i].lundata[0] & RPL_LUNDATA_ATYP_MASK) == \ 90 RPL_LUNDATA_ATYP_PERIPH) || \ 91 (((x)->luns[i].lundata[0] & RPL_LUNDATA_ATYP_MASK) == \ 92 RPL_LUNDATA_ATYP_FLAT)) 93#define CAM_GET_SIMPLE_LUN(lp, i, lval) \ 94 if (((lp)->luns[(i)].lundata[0] & RPL_LUNDATA_ATYP_MASK) == \ 95 RPL_LUNDATA_ATYP_PERIPH) { \ 96 (lval) = (lp)->luns[(i)].lundata[1]; \ 97 } else { \ 98 (lval) = (lp)->luns[(i)].lundata[0]; \ 99 (lval) &= RPL_LUNDATA_FLAT_LUN_MASK; \ 100 (lval) <<= 8; \ 101 (lval) |= (lp)->luns[(i)].lundata[1]; \ 102 } 103#define CAM_GET_LUN(lp, i, lval) \ 104 (lval) = scsi_4btoul((lp)->luns[(i)].lundata); \ 105 (lval) = ((lval) >> 16) | ((lval) << 16); 106#define CAM_LUN_ONLY_32BITS(lp, i) \ 107 (scsi_4btoul(&((lp)->luns[(i)].lundata[4])) == 0) 108 109/* 110 * If we're not quirked to search <= the first 8 luns 111 * and we are either quirked to search above lun 8, 112 * or we're > SCSI-2 and we've enabled hilun searching, 113 * or we're > SCSI-2 and the last lun was a success, 114 * we can look for luns above lun 8. 115 */ 116#define CAN_SRCH_HI_SPARSE(dv) \ 117 (((SCSI_QUIRK(dv)->quirks & CAM_QUIRK_NOHILUNS) == 0) \ 118 && ((SCSI_QUIRK(dv)->quirks & CAM_QUIRK_HILUNS) \ 119 || (SID_ANSI_REV(&dv->inq_data) > SCSI_REV_2 && cam_srch_hi))) 120 121#define CAN_SRCH_HI_DENSE(dv) \ 122 (((SCSI_QUIRK(dv)->quirks & CAM_QUIRK_NOHILUNS) == 0) \ 123 && ((SCSI_QUIRK(dv)->quirks & CAM_QUIRK_HILUNS) \ 124 || (SID_ANSI_REV(&dv->inq_data) > SCSI_REV_2))) 125 126static periph_init_t probe_periph_init; 127 128static struct periph_driver probe_driver = 129{ 130 probe_periph_init, "probe", 131 TAILQ_HEAD_INITIALIZER(probe_driver.units), /* generation */ 0, 132 CAM_PERIPH_DRV_EARLY 133}; 134 135PERIPHDRIVER_DECLARE(probe, probe_driver); 136 137typedef enum { 138 PROBE_TUR, 139 PROBE_INQUIRY, /* this counts as DV0 for Basic Domain Validation */ 140 PROBE_FULL_INQUIRY, 141 PROBE_REPORT_LUNS, 142 PROBE_MODE_SENSE, 143 PROBE_SUPPORTED_VPD_LIST, 144 PROBE_DEVICE_ID, 145 PROBE_SERIAL_NUM, 146 PROBE_TUR_FOR_NEGOTIATION, 147 PROBE_INQUIRY_BASIC_DV1, 148 PROBE_INQUIRY_BASIC_DV2, 149 PROBE_DV_EXIT, 150 PROBE_DONE, 151 PROBE_INVALID 152} probe_action; 153 154static char *probe_action_text[] = { 155 "PROBE_TUR", 156 "PROBE_INQUIRY", 157 "PROBE_FULL_INQUIRY", 158 "PROBE_REPORT_LUNS", 159 "PROBE_MODE_SENSE", 160 "PROBE_SUPPORTED_VPD_LIST", 161 "PROBE_DEVICE_ID", 162 "PROBE_SERIAL_NUM", 163 "PROBE_TUR_FOR_NEGOTIATION", 164 "PROBE_INQUIRY_BASIC_DV1", 165 "PROBE_INQUIRY_BASIC_DV2", 166 "PROBE_DV_EXIT", 167 "PROBE_DONE", 168 "PROBE_INVALID" 169}; 170 171#define PROBE_SET_ACTION(softc, newaction) \ 172do { \ 173 char **text; \ 174 text = probe_action_text; \ 175 CAM_DEBUG((softc)->periph->path, CAM_DEBUG_PROBE, \ 176 ("Probe %s to %s\n", text[(softc)->action], \ 177 text[(newaction)])); \ 178 (softc)->action = (newaction); \ 179} while(0) 180 181typedef enum { 182 PROBE_INQUIRY_CKSUM = 0x01, 183 PROBE_SERIAL_CKSUM = 0x02, 184 PROBE_NO_ANNOUNCE = 0x04, 185 PROBE_EXTLUN = 0x08 186} probe_flags; 187 188typedef struct { 189 TAILQ_HEAD(, ccb_hdr) request_ccbs; 190 probe_action action; 191 union ccb saved_ccb; 192 probe_flags flags; 193 MD5_CTX context; 194 u_int8_t digest[16]; 195 struct cam_periph *periph; 196} probe_softc; 197 198static const char quantum[] = "QUANTUM"; 199static const char sony[] = "SONY"; 200static const char west_digital[] = "WDIGTL"; 201static const char samsung[] = "SAMSUNG"; 202static const char seagate[] = "SEAGATE"; 203static const char microp[] = "MICROP"; 204 205static struct scsi_quirk_entry scsi_quirk_table[] = 206{ 207 { 208 /* Reports QUEUE FULL for temporary resource shortages */ 209 { T_DIRECT, SIP_MEDIA_FIXED, quantum, "XP39100*", "*" }, 210 /*quirks*/0, /*mintags*/24, /*maxtags*/32 211 }, 212 { 213 /* Reports QUEUE FULL for temporary resource shortages */ 214 { T_DIRECT, SIP_MEDIA_FIXED, quantum, "XP34550*", "*" }, 215 /*quirks*/0, /*mintags*/24, /*maxtags*/32 216 }, 217 { 218 /* Reports QUEUE FULL for temporary resource shortages */ 219 { T_DIRECT, SIP_MEDIA_FIXED, quantum, "XP32275*", "*" }, 220 /*quirks*/0, /*mintags*/24, /*maxtags*/32 221 }, 222 { 223 /* Broken tagged queuing drive */ 224 { T_DIRECT, SIP_MEDIA_FIXED, microp, "4421-07*", "*" }, 225 /*quirks*/0, /*mintags*/0, /*maxtags*/0 226 }, 227 { 228 /* Broken tagged queuing drive */ 229 { T_DIRECT, SIP_MEDIA_FIXED, "HP", "C372*", "*" }, 230 /*quirks*/0, /*mintags*/0, /*maxtags*/0 231 }, 232 { 233 /* Broken tagged queuing drive */ 234 { T_DIRECT, SIP_MEDIA_FIXED, microp, "3391*", "x43h" }, 235 /*quirks*/0, /*mintags*/0, /*maxtags*/0 236 }, 237 { 238 /* 239 * Unfortunately, the Quantum Atlas III has the same 240 * problem as the Atlas II drives above. 241 * Reported by: "Johan Granlund" <johan@granlund.nu> 242 * 243 * For future reference, the drive with the problem was: 244 * QUANTUM QM39100TD-SW N1B0 245 * 246 * It's possible that Quantum will fix the problem in later 247 * firmware revisions. If that happens, the quirk entry 248 * will need to be made specific to the firmware revisions 249 * with the problem. 250 * 251 */ 252 /* Reports QUEUE FULL for temporary resource shortages */ 253 { T_DIRECT, SIP_MEDIA_FIXED, quantum, "QM39100*", "*" }, 254 /*quirks*/0, /*mintags*/24, /*maxtags*/32 255 }, 256 { 257 /* 258 * 18 Gig Atlas III, same problem as the 9G version. 259 * Reported by: Andre Albsmeier 260 * <andre.albsmeier@mchp.siemens.de> 261 * 262 * For future reference, the drive with the problem was: 263 * QUANTUM QM318000TD-S N491 264 */ 265 /* Reports QUEUE FULL for temporary resource shortages */ 266 { T_DIRECT, SIP_MEDIA_FIXED, quantum, "QM318000*", "*" }, 267 /*quirks*/0, /*mintags*/24, /*maxtags*/32 268 }, 269 { 270 /* 271 * Broken tagged queuing drive 272 * Reported by: Bret Ford <bford@uop.cs.uop.edu> 273 * and: Martin Renters <martin@tdc.on.ca> 274 */ 275 { T_DIRECT, SIP_MEDIA_FIXED, seagate, "ST410800*", "71*" }, 276 /*quirks*/0, /*mintags*/0, /*maxtags*/0 277 }, 278 /* 279 * The Seagate Medalist Pro drives have very poor write 280 * performance with anything more than 2 tags. 281 * 282 * Reported by: Paul van der Zwan <paulz@trantor.xs4all.nl> 283 * Drive: <SEAGATE ST36530N 1444> 284 * 285 * Reported by: Jeremy Lea <reg@shale.csir.co.za> 286 * Drive: <SEAGATE ST34520W 1281> 287 * 288 * No one has actually reported that the 9G version 289 * (ST39140*) of the Medalist Pro has the same problem, but 290 * we're assuming that it does because the 4G and 6.5G 291 * versions of the drive are broken. 292 */ 293 { 294 { T_DIRECT, SIP_MEDIA_FIXED, seagate, "ST34520*", "*"}, 295 /*quirks*/0, /*mintags*/2, /*maxtags*/2 296 }, 297 { 298 { T_DIRECT, SIP_MEDIA_FIXED, seagate, "ST36530*", "*"}, 299 /*quirks*/0, /*mintags*/2, /*maxtags*/2 300 }, 301 { 302 { T_DIRECT, SIP_MEDIA_FIXED, seagate, "ST39140*", "*"}, 303 /*quirks*/0, /*mintags*/2, /*maxtags*/2 304 }, 305 { 306 /* 307 * Experiences command timeouts under load with a 308 * tag count higher than 55. 309 */ 310 { T_DIRECT, SIP_MEDIA_FIXED, seagate, "ST3146855LW", "*"}, 311 /*quirks*/0, /*mintags*/2, /*maxtags*/55 312 }, 313 { 314 /* 315 * Slow when tagged queueing is enabled. Write performance 316 * steadily drops off with more and more concurrent 317 * transactions. Best sequential write performance with 318 * tagged queueing turned off and write caching turned on. 319 * 320 * PR: kern/10398 321 * Submitted by: Hideaki Okada <hokada@isl.melco.co.jp> 322 * Drive: DCAS-34330 w/ "S65A" firmware. 323 * 324 * The drive with the problem had the "S65A" firmware 325 * revision, and has also been reported (by Stephen J. 326 * Roznowski <sjr@home.net>) for a drive with the "S61A" 327 * firmware revision. 328 * 329 * Although no one has reported problems with the 2 gig 330 * version of the DCAS drive, the assumption is that it 331 * has the same problems as the 4 gig version. Therefore 332 * this quirk entries disables tagged queueing for all 333 * DCAS drives. 334 */ 335 { T_DIRECT, SIP_MEDIA_FIXED, "IBM", "DCAS*", "*" }, 336 /*quirks*/0, /*mintags*/0, /*maxtags*/0 337 }, 338 { 339 /* Broken tagged queuing drive */ 340 { T_DIRECT, SIP_MEDIA_REMOVABLE, "iomega", "jaz*", "*" }, 341 /*quirks*/0, /*mintags*/0, /*maxtags*/0 342 }, 343 { 344 /* Broken tagged queuing drive */ 345 { T_DIRECT, SIP_MEDIA_FIXED, "CONNER", "CFP2107*", "*" }, 346 /*quirks*/0, /*mintags*/0, /*maxtags*/0 347 }, 348 { 349 /* This does not support other than LUN 0 */ 350 { T_DIRECT, SIP_MEDIA_FIXED, "VMware*", "*", "*" }, 351 CAM_QUIRK_NOLUNS, /*mintags*/2, /*maxtags*/255 352 }, 353 { 354 /* 355 * Broken tagged queuing drive. 356 * Submitted by: 357 * NAKAJI Hiroyuki <nakaji@zeisei.dpri.kyoto-u.ac.jp> 358 * in PR kern/9535 359 */ 360 { T_DIRECT, SIP_MEDIA_FIXED, samsung, "WN34324U*", "*" }, 361 /*quirks*/0, /*mintags*/0, /*maxtags*/0 362 }, 363 { 364 /* 365 * Slow when tagged queueing is enabled. (1.5MB/sec versus 366 * 8MB/sec.) 367 * Submitted by: Andrew Gallatin <gallatin@cs.duke.edu> 368 * Best performance with these drives is achieved with 369 * tagged queueing turned off, and write caching turned on. 370 */ 371 { T_DIRECT, SIP_MEDIA_FIXED, west_digital, "WDE*", "*" }, 372 /*quirks*/0, /*mintags*/0, /*maxtags*/0 373 }, 374 { 375 /* 376 * Slow when tagged queueing is enabled. (1.5MB/sec versus 377 * 8MB/sec.) 378 * Submitted by: Andrew Gallatin <gallatin@cs.duke.edu> 379 * Best performance with these drives is achieved with 380 * tagged queueing turned off, and write caching turned on. 381 */ 382 { T_DIRECT, SIP_MEDIA_FIXED, west_digital, "ENTERPRISE", "*" }, 383 /*quirks*/0, /*mintags*/0, /*maxtags*/0 384 }, 385 { 386 /* 387 * Doesn't handle queue full condition correctly, 388 * so we need to limit maxtags to what the device 389 * can handle instead of determining this automatically. 390 */ 391 { T_DIRECT, SIP_MEDIA_FIXED, samsung, "WN321010S*", "*" }, 392 /*quirks*/0, /*mintags*/2, /*maxtags*/32 393 }, 394 { 395 /* Really only one LUN */ 396 { T_ENCLOSURE, SIP_MEDIA_FIXED, "SUN", "SENA", "*" }, 397 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 398 }, 399 { 400 /* I can't believe we need a quirk for DPT volumes. */ 401 { T_ANY, SIP_MEDIA_FIXED|SIP_MEDIA_REMOVABLE, "DPT", "*", "*" }, 402 CAM_QUIRK_NOLUNS, 403 /*mintags*/0, /*maxtags*/255 404 }, 405 { 406 /* 407 * Many Sony CDROM drives don't like multi-LUN probing. 408 */ 409 { T_CDROM, SIP_MEDIA_REMOVABLE, sony, "CD-ROM CDU*", "*" }, 410 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 411 }, 412 { 413 /* 414 * This drive doesn't like multiple LUN probing. 415 * Submitted by: Parag Patel <parag@cgt.com> 416 */ 417 { T_WORM, SIP_MEDIA_REMOVABLE, sony, "CD-R CDU9*", "*" }, 418 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 419 }, 420 { 421 { T_WORM, SIP_MEDIA_REMOVABLE, "YAMAHA", "CDR100*", "*" }, 422 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 423 }, 424 { 425 /* 426 * The 8200 doesn't like multi-lun probing, and probably 427 * don't like serial number requests either. 428 */ 429 { 430 T_SEQUENTIAL, SIP_MEDIA_REMOVABLE, "EXABYTE", 431 "EXB-8200*", "*" 432 }, 433 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 434 }, 435 { 436 /* 437 * Let's try the same as above, but for a drive that says 438 * it's an IPL-6860 but is actually an EXB 8200. 439 */ 440 { 441 T_SEQUENTIAL, SIP_MEDIA_REMOVABLE, "EXABYTE", 442 "IPL-6860*", "*" 443 }, 444 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 445 }, 446 { 447 /* 448 * These Hitachi drives don't like multi-lun probing. 449 * The PR submitter has a DK319H, but says that the Linux 450 * kernel has a similar work-around for the DK312 and DK314, 451 * so all DK31* drives are quirked here. 452 * PR: misc/18793 453 * Submitted by: Paul Haddad <paul@pth.com> 454 */ 455 { T_DIRECT, SIP_MEDIA_FIXED, "HITACHI", "DK31*", "*" }, 456 CAM_QUIRK_NOLUNS, /*mintags*/2, /*maxtags*/255 457 }, 458 { 459 /* 460 * The Hitachi CJ series with J8A8 firmware apparantly has 461 * problems with tagged commands. 462 * PR: 23536 463 * Reported by: amagai@nue.org 464 */ 465 { T_DIRECT, SIP_MEDIA_FIXED, "HITACHI", "DK32CJ*", "J8A8" }, 466 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 467 }, 468 { 469 /* 470 * These are the large storage arrays. 471 * Submitted by: William Carrel <william.carrel@infospace.com> 472 */ 473 { T_DIRECT, SIP_MEDIA_FIXED, "HITACHI", "OPEN*", "*" }, 474 CAM_QUIRK_HILUNS, 2, 1024 475 }, 476 { 477 /* 478 * This old revision of the TDC3600 is also SCSI-1, and 479 * hangs upon serial number probing. 480 */ 481 { 482 T_SEQUENTIAL, SIP_MEDIA_REMOVABLE, "TANDBERG", 483 " TDC 3600", "U07:" 484 }, 485 CAM_QUIRK_NOVPDS, /*mintags*/0, /*maxtags*/0 486 }, 487 { 488 /* 489 * Would repond to all LUNs if asked for. 490 */ 491 { 492 T_SEQUENTIAL, SIP_MEDIA_REMOVABLE, "CALIPER", 493 "CP150", "*" 494 }, 495 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 496 }, 497 { 498 /* 499 * Would repond to all LUNs if asked for. 500 */ 501 { 502 T_SEQUENTIAL, SIP_MEDIA_REMOVABLE, "KENNEDY", 503 "96X2*", "*" 504 }, 505 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 506 }, 507 { 508 /* Submitted by: Matthew Dodd <winter@jurai.net> */ 509 { T_PROCESSOR, SIP_MEDIA_FIXED, "Cabletrn", "EA41*", "*" }, 510 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 511 }, 512 { 513 /* Submitted by: Matthew Dodd <winter@jurai.net> */ 514 { T_PROCESSOR, SIP_MEDIA_FIXED, "CABLETRN", "EA41*", "*" }, 515 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 516 }, 517 { 518 /* TeraSolutions special settings for TRC-22 RAID */ 519 { T_DIRECT, SIP_MEDIA_FIXED, "TERASOLU", "TRC-22", "*" }, 520 /*quirks*/0, /*mintags*/55, /*maxtags*/255 521 }, 522 { 523 /* Veritas Storage Appliance */ 524 { T_DIRECT, SIP_MEDIA_FIXED, "VERITAS", "*", "*" }, 525 CAM_QUIRK_HILUNS, /*mintags*/2, /*maxtags*/1024 526 }, 527 { 528 /* 529 * Would respond to all LUNs. Device type and removable 530 * flag are jumper-selectable. 531 */ 532 { T_ANY, SIP_MEDIA_REMOVABLE|SIP_MEDIA_FIXED, "MaxOptix", 533 "Tahiti 1", "*" 534 }, 535 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 536 }, 537 { 538 /* EasyRAID E5A aka. areca ARC-6010 */ 539 { T_DIRECT, SIP_MEDIA_FIXED, "easyRAID", "*", "*" }, 540 CAM_QUIRK_NOHILUNS, /*mintags*/2, /*maxtags*/255 541 }, 542 { 543 { T_ENCLOSURE, SIP_MEDIA_FIXED, "DP", "BACKPLANE", "*" }, 544 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 545 }, 546 { 547 { T_DIRECT, SIP_MEDIA_REMOVABLE, "Garmin", "*", "*" }, 548 CAM_QUIRK_NORPTLUNS, /*mintags*/2, /*maxtags*/255 549 }, 550 { 551 /* Default tagged queuing parameters for all devices */ 552 { 553 T_ANY, SIP_MEDIA_REMOVABLE|SIP_MEDIA_FIXED, 554 /*vendor*/"*", /*product*/"*", /*revision*/"*" 555 }, 556 /*quirks*/0, /*mintags*/2, /*maxtags*/255 557 }, 558}; 559 560static const int scsi_quirk_table_size = 561 sizeof(scsi_quirk_table) / sizeof(*scsi_quirk_table); 562 563static cam_status proberegister(struct cam_periph *periph, 564 void *arg); 565static void probeschedule(struct cam_periph *probe_periph); 566static void probestart(struct cam_periph *periph, union ccb *start_ccb); 567static void proberequestdefaultnegotiation(struct cam_periph *periph); 568static int proberequestbackoff(struct cam_periph *periph, 569 struct cam_ed *device); 570static void probedone(struct cam_periph *periph, union ccb *done_ccb); 571static void probe_purge_old(struct cam_path *path, 572 struct scsi_report_luns_data *new, 573 probe_flags flags); 574static void probecleanup(struct cam_periph *periph); 575static void scsi_find_quirk(struct cam_ed *device); 576static void scsi_scan_bus(struct cam_periph *periph, union ccb *ccb); 577static void scsi_scan_lun(struct cam_periph *periph, 578 struct cam_path *path, cam_flags flags, 579 union ccb *ccb); 580static void xptscandone(struct cam_periph *periph, union ccb *done_ccb); 581static struct cam_ed * 582 scsi_alloc_device(struct cam_eb *bus, struct cam_et *target, 583 lun_id_t lun_id); 584static void scsi_devise_transport(struct cam_path *path); 585static void scsi_set_transfer_settings(struct ccb_trans_settings *cts, 586 struct cam_path *path, 587 int async_update); 588static void scsi_toggle_tags(struct cam_path *path); 589static void scsi_dev_async(u_int32_t async_code, 590 struct cam_eb *bus, 591 struct cam_et *target, 592 struct cam_ed *device, 593 void *async_arg); 594static void scsi_action(union ccb *start_ccb); 595static void scsi_announce_periph(struct cam_periph *periph); 596 597static struct xpt_xport scsi_xport = { 598 .alloc_device = scsi_alloc_device, 599 .action = scsi_action, 600 .async = scsi_dev_async, 601 .announce = scsi_announce_periph, 602}; 603 604struct xpt_xport * 605scsi_get_xport(void) 606{ 607 return (&scsi_xport); 608} 609 610static void 611probe_periph_init() 612{ 613} 614 615static cam_status 616proberegister(struct cam_periph *periph, void *arg) 617{ 618 union ccb *request_ccb; /* CCB representing the probe request */ 619 cam_status status; 620 probe_softc *softc; 621 622 request_ccb = (union ccb *)arg; 623 if (request_ccb == NULL) { 624 printf("proberegister: no probe CCB, " 625 "can't register device\n"); 626 return(CAM_REQ_CMP_ERR); 627 } 628 629 softc = (probe_softc *)malloc(sizeof(*softc), M_CAMXPT, M_NOWAIT); 630 631 if (softc == NULL) { 632 printf("proberegister: Unable to probe new device. " 633 "Unable to allocate softc\n"); 634 return(CAM_REQ_CMP_ERR); 635 } 636 TAILQ_INIT(&softc->request_ccbs); 637 TAILQ_INSERT_TAIL(&softc->request_ccbs, &request_ccb->ccb_h, 638 periph_links.tqe); 639 softc->flags = 0; 640 periph->softc = softc; 641 softc->periph = periph; 642 softc->action = PROBE_INVALID; 643 status = cam_periph_acquire(periph); 644 if (status != CAM_REQ_CMP) { 645 return (status); 646 } 647 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, ("Probe started\n")); 648 scsi_devise_transport(periph->path); 649 650 /* 651 * Ensure we've waited at least a bus settle 652 * delay before attempting to probe the device. 653 * For HBAs that don't do bus resets, this won't make a difference. 654 */ 655 cam_periph_freeze_after_event(periph, &periph->path->bus->last_reset, 656 scsi_delay); 657 probeschedule(periph); 658 return(CAM_REQ_CMP); 659} 660 661static void 662probeschedule(struct cam_periph *periph) 663{ 664 struct ccb_pathinq cpi; 665 union ccb *ccb; 666 probe_softc *softc; 667 668 softc = (probe_softc *)periph->softc; 669 ccb = (union ccb *)TAILQ_FIRST(&softc->request_ccbs); 670 671 xpt_setup_ccb(&cpi.ccb_h, periph->path, CAM_PRIORITY_NONE); 672 cpi.ccb_h.func_code = XPT_PATH_INQ; 673 xpt_action((union ccb *)&cpi); 674 675 /* 676 * If a device has gone away and another device, or the same one, 677 * is back in the same place, it should have a unit attention 678 * condition pending. It will not report the unit attention in 679 * response to an inquiry, which may leave invalid transfer 680 * negotiations in effect. The TUR will reveal the unit attention 681 * condition. Only send the TUR for lun 0, since some devices 682 * will get confused by commands other than inquiry to non-existent 683 * luns. If you think a device has gone away start your scan from 684 * lun 0. This will insure that any bogus transfer settings are 685 * invalidated. 686 * 687 * If we haven't seen the device before and the controller supports 688 * some kind of transfer negotiation, negotiate with the first 689 * sent command if no bus reset was performed at startup. This 690 * ensures that the device is not confused by transfer negotiation 691 * settings left over by loader or BIOS action. 692 */ 693 if (((ccb->ccb_h.path->device->flags & CAM_DEV_UNCONFIGURED) == 0) 694 && (ccb->ccb_h.target_lun == 0)) { 695 PROBE_SET_ACTION(softc, PROBE_TUR); 696 } else if ((cpi.hba_inquiry & (PI_WIDE_32|PI_WIDE_16|PI_SDTR_ABLE)) != 0 697 && (cpi.hba_misc & PIM_NOBUSRESET) != 0) { 698 proberequestdefaultnegotiation(periph); 699 PROBE_SET_ACTION(softc, PROBE_INQUIRY); 700 } else { 701 PROBE_SET_ACTION(softc, PROBE_INQUIRY); 702 } 703 704 if (ccb->crcn.flags & CAM_EXPECT_INQ_CHANGE) 705 softc->flags |= PROBE_NO_ANNOUNCE; 706 else 707 softc->flags &= ~PROBE_NO_ANNOUNCE; 708 709 if (cpi.hba_misc & PIM_EXTLUNS) 710 softc->flags |= PROBE_EXTLUN; 711 else 712 softc->flags &= ~PROBE_EXTLUN; 713 714 xpt_schedule(periph, CAM_PRIORITY_XPT); 715} 716 717static void 718probestart(struct cam_periph *periph, union ccb *start_ccb) 719{ 720 /* Probe the device that our peripheral driver points to */ 721 struct ccb_scsiio *csio; 722 probe_softc *softc; 723 724 CAM_DEBUG(start_ccb->ccb_h.path, CAM_DEBUG_TRACE, ("probestart\n")); 725 726 softc = (probe_softc *)periph->softc; 727 csio = &start_ccb->csio; 728again: 729 730 switch (softc->action) { 731 case PROBE_TUR: 732 case PROBE_TUR_FOR_NEGOTIATION: 733 case PROBE_DV_EXIT: 734 { 735 scsi_test_unit_ready(csio, 736 /*retries*/4, 737 probedone, 738 MSG_SIMPLE_Q_TAG, 739 SSD_FULL_SIZE, 740 /*timeout*/60000); 741 break; 742 } 743 case PROBE_INQUIRY: 744 case PROBE_FULL_INQUIRY: 745 case PROBE_INQUIRY_BASIC_DV1: 746 case PROBE_INQUIRY_BASIC_DV2: 747 { 748 u_int inquiry_len; 749 struct scsi_inquiry_data *inq_buf; 750 751 inq_buf = &periph->path->device->inq_data; 752 753 /* 754 * If the device is currently configured, we calculate an 755 * MD5 checksum of the inquiry data, and if the serial number 756 * length is greater than 0, add the serial number data 757 * into the checksum as well. Once the inquiry and the 758 * serial number check finish, we attempt to figure out 759 * whether we still have the same device. 760 */ 761 if ((periph->path->device->flags & CAM_DEV_UNCONFIGURED) == 0) { 762 763 MD5Init(&softc->context); 764 MD5Update(&softc->context, (unsigned char *)inq_buf, 765 sizeof(struct scsi_inquiry_data)); 766 softc->flags |= PROBE_INQUIRY_CKSUM; 767 if (periph->path->device->serial_num_len > 0) { 768 MD5Update(&softc->context, 769 periph->path->device->serial_num, 770 periph->path->device->serial_num_len); 771 softc->flags |= PROBE_SERIAL_CKSUM; 772 } 773 MD5Final(softc->digest, &softc->context); 774 } 775 776 if (softc->action == PROBE_INQUIRY) 777 inquiry_len = SHORT_INQUIRY_LENGTH; 778 else 779 inquiry_len = SID_ADDITIONAL_LENGTH(inq_buf); 780 781 /* 782 * Some parallel SCSI devices fail to send an 783 * ignore wide residue message when dealing with 784 * odd length inquiry requests. Round up to be 785 * safe. 786 */ 787 inquiry_len = roundup2(inquiry_len, 2); 788 789 if (softc->action == PROBE_INQUIRY_BASIC_DV1 790 || softc->action == PROBE_INQUIRY_BASIC_DV2) { 791 inq_buf = malloc(inquiry_len, M_CAMXPT, M_NOWAIT); 792 } 793 if (inq_buf == NULL) { 794 xpt_print(periph->path, "malloc failure- skipping Basic" 795 "Domain Validation\n"); 796 PROBE_SET_ACTION(softc, PROBE_DV_EXIT); 797 scsi_test_unit_ready(csio, 798 /*retries*/4, 799 probedone, 800 MSG_SIMPLE_Q_TAG, 801 SSD_FULL_SIZE, 802 /*timeout*/60000); 803 break; 804 } 805 scsi_inquiry(csio, 806 /*retries*/4, 807 probedone, 808 MSG_SIMPLE_Q_TAG, 809 (u_int8_t *)inq_buf, 810 inquiry_len, 811 /*evpd*/FALSE, 812 /*page_code*/0, 813 SSD_MIN_SIZE, 814 /*timeout*/60 * 1000); 815 break; 816 } 817 case PROBE_REPORT_LUNS: 818 { 819 void *rp; 820 821 rp = malloc(periph->path->target->rpl_size, 822 M_CAMXPT, M_NOWAIT | M_ZERO); 823 if (rp == NULL) { 824 struct scsi_inquiry_data *inq_buf; 825 inq_buf = &periph->path->device->inq_data; 826 xpt_print(periph->path, 827 "Unable to alloc report luns storage\n"); 828 if (INQ_DATA_TQ_ENABLED(inq_buf)) 829 PROBE_SET_ACTION(softc, PROBE_MODE_SENSE); 830 else 831 PROBE_SET_ACTION(softc, 832 PROBE_SUPPORTED_VPD_LIST); 833 goto again; 834 } 835 scsi_report_luns(csio, 5, probedone, MSG_SIMPLE_Q_TAG, 836 RPL_REPORT_DEFAULT, rp, periph->path->target->rpl_size, 837 SSD_FULL_SIZE, 60000); break; 838 break; 839 } 840 case PROBE_MODE_SENSE: 841 { 842 void *mode_buf; 843 int mode_buf_len; 844 845 mode_buf_len = sizeof(struct scsi_mode_header_6) 846 + sizeof(struct scsi_mode_blk_desc) 847 + sizeof(struct scsi_control_page); 848 mode_buf = malloc(mode_buf_len, M_CAMXPT, M_NOWAIT); 849 if (mode_buf != NULL) { 850 scsi_mode_sense(csio, 851 /*retries*/4, 852 probedone, 853 MSG_SIMPLE_Q_TAG, 854 /*dbd*/FALSE, 855 SMS_PAGE_CTRL_CURRENT, 856 SMS_CONTROL_MODE_PAGE, 857 mode_buf, 858 mode_buf_len, 859 SSD_FULL_SIZE, 860 /*timeout*/60000); 861 break; 862 } 863 xpt_print(periph->path, "Unable to mode sense control page - " 864 "malloc failure\n"); 865 PROBE_SET_ACTION(softc, PROBE_SUPPORTED_VPD_LIST); 866 } 867 /* FALLTHROUGH */ 868 case PROBE_SUPPORTED_VPD_LIST: 869 { 870 struct scsi_vpd_supported_page_list *vpd_list; 871 struct cam_ed *device; 872 873 vpd_list = NULL; 874 device = periph->path->device; 875 876 if ((SCSI_QUIRK(device)->quirks & CAM_QUIRK_NOVPDS) == 0) 877 vpd_list = malloc(sizeof(*vpd_list), M_CAMXPT, 878 M_NOWAIT | M_ZERO); 879 880 if (vpd_list != NULL) { 881 scsi_inquiry(csio, 882 /*retries*/4, 883 probedone, 884 MSG_SIMPLE_Q_TAG, 885 (u_int8_t *)vpd_list, 886 sizeof(*vpd_list), 887 /*evpd*/TRUE, 888 SVPD_SUPPORTED_PAGE_LIST, 889 SSD_MIN_SIZE, 890 /*timeout*/60 * 1000); 891 break; 892 } 893done: 894 /* 895 * We'll have to do without, let our probedone 896 * routine finish up for us. 897 */ 898 start_ccb->csio.data_ptr = NULL; 899 cam_freeze_devq(periph->path); 900 cam_periph_doacquire(periph); 901 probedone(periph, start_ccb); 902 return; 903 } 904 case PROBE_DEVICE_ID: 905 { 906 struct scsi_vpd_device_id *devid; 907 908 devid = NULL; 909 if (scsi_vpd_supported_page(periph, SVPD_DEVICE_ID)) 910 devid = malloc(SVPD_DEVICE_ID_MAX_SIZE, M_CAMXPT, 911 M_NOWAIT | M_ZERO); 912 913 if (devid != NULL) { 914 scsi_inquiry(csio, 915 /*retries*/4, 916 probedone, 917 MSG_SIMPLE_Q_TAG, 918 (uint8_t *)devid, 919 SVPD_DEVICE_ID_MAX_SIZE, 920 /*evpd*/TRUE, 921 SVPD_DEVICE_ID, 922 SSD_MIN_SIZE, 923 /*timeout*/60 * 1000); 924 break; 925 } 926 goto done; 927 } 928 case PROBE_SERIAL_NUM: 929 { 930 struct scsi_vpd_unit_serial_number *serial_buf; 931 struct cam_ed* device; 932 933 serial_buf = NULL; 934 device = periph->path->device; 935 if (device->serial_num != NULL) { 936 free(device->serial_num, M_CAMXPT); 937 device->serial_num = NULL; 938 device->serial_num_len = 0; 939 } 940 941 if (scsi_vpd_supported_page(periph, SVPD_UNIT_SERIAL_NUMBER)) 942 serial_buf = (struct scsi_vpd_unit_serial_number *) 943 malloc(sizeof(*serial_buf), M_CAMXPT, 944 M_NOWAIT|M_ZERO); 945 946 if (serial_buf != NULL) { 947 scsi_inquiry(csio, 948 /*retries*/4, 949 probedone, 950 MSG_SIMPLE_Q_TAG, 951 (u_int8_t *)serial_buf, 952 sizeof(*serial_buf), 953 /*evpd*/TRUE, 954 SVPD_UNIT_SERIAL_NUMBER, 955 SSD_MIN_SIZE, 956 /*timeout*/60 * 1000); 957 break; 958 } 959 goto done; 960 } 961 default: 962 panic("probestart: invalid action state 0x%x\n", softc->action); 963 } 964 start_ccb->ccb_h.flags |= CAM_DEV_QFREEZE; 965 cam_periph_doacquire(periph); 966 xpt_action(start_ccb); 967} 968 969static void 970proberequestdefaultnegotiation(struct cam_periph *periph) 971{ 972 struct ccb_trans_settings cts; 973 974 xpt_setup_ccb(&cts.ccb_h, periph->path, CAM_PRIORITY_NONE); 975 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 976 cts.type = CTS_TYPE_USER_SETTINGS; 977 xpt_action((union ccb *)&cts); 978 if (cam_ccb_status((union ccb *)&cts) != CAM_REQ_CMP) { 979 return; 980 } 981 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 982 cts.type = CTS_TYPE_CURRENT_SETTINGS; 983 xpt_action((union ccb *)&cts); 984} 985 986/* 987 * Backoff Negotiation Code- only pertinent for SPI devices. 988 */ 989static int 990proberequestbackoff(struct cam_periph *periph, struct cam_ed *device) 991{ 992 struct ccb_trans_settings cts; 993 struct ccb_trans_settings_spi *spi; 994 995 memset(&cts, 0, sizeof (cts)); 996 xpt_setup_ccb(&cts.ccb_h, periph->path, CAM_PRIORITY_NONE); 997 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 998 cts.type = CTS_TYPE_CURRENT_SETTINGS; 999 xpt_action((union ccb *)&cts); 1000 if (cam_ccb_status((union ccb *)&cts) != CAM_REQ_CMP) { 1001 if (bootverbose) { 1002 xpt_print(periph->path, 1003 "failed to get current device settings\n"); 1004 } 1005 return (0); 1006 } 1007 if (cts.transport != XPORT_SPI) { 1008 if (bootverbose) { 1009 xpt_print(periph->path, "not SPI transport\n"); 1010 } 1011 return (0); 1012 } 1013 spi = &cts.xport_specific.spi; 1014 1015 /* 1016 * We cannot renegotiate sync rate if we don't have one. 1017 */ 1018 if ((spi->valid & CTS_SPI_VALID_SYNC_RATE) == 0) { 1019 if (bootverbose) { 1020 xpt_print(periph->path, "no sync rate known\n"); 1021 } 1022 return (0); 1023 } 1024 1025 /* 1026 * We'll assert that we don't have to touch PPR options- the 1027 * SIM will see what we do with period and offset and adjust 1028 * the PPR options as appropriate. 1029 */ 1030 1031 /* 1032 * A sync rate with unknown or zero offset is nonsensical. 1033 * A sync period of zero means Async. 1034 */ 1035 if ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) == 0 1036 || spi->sync_offset == 0 || spi->sync_period == 0) { 1037 if (bootverbose) { 1038 xpt_print(periph->path, "no sync rate available\n"); 1039 } 1040 return (0); 1041 } 1042 1043 if (device->flags & CAM_DEV_DV_HIT_BOTTOM) { 1044 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, 1045 ("hit async: giving up on DV\n")); 1046 return (0); 1047 } 1048 1049 1050 /* 1051 * Jump sync_period up by one, but stop at 5MHz and fall back to Async. 1052 * We don't try to remember 'last' settings to see if the SIM actually 1053 * gets into the speed we want to set. We check on the SIM telling 1054 * us that a requested speed is bad, but otherwise don't try and 1055 * check the speed due to the asynchronous and handshake nature 1056 * of speed setting. 1057 */ 1058 spi->valid = CTS_SPI_VALID_SYNC_RATE | CTS_SPI_VALID_SYNC_OFFSET; 1059 for (;;) { 1060 spi->sync_period++; 1061 if (spi->sync_period >= 0xf) { 1062 spi->sync_period = 0; 1063 spi->sync_offset = 0; 1064 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, 1065 ("setting to async for DV\n")); 1066 /* 1067 * Once we hit async, we don't want to try 1068 * any more settings. 1069 */ 1070 device->flags |= CAM_DEV_DV_HIT_BOTTOM; 1071 } else if (bootverbose) { 1072 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, 1073 ("DV: period 0x%x\n", spi->sync_period)); 1074 printf("setting period to 0x%x\n", spi->sync_period); 1075 } 1076 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 1077 cts.type = CTS_TYPE_CURRENT_SETTINGS; 1078 xpt_action((union ccb *)&cts); 1079 if (cam_ccb_status((union ccb *)&cts) != CAM_REQ_CMP) { 1080 break; 1081 } 1082 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, 1083 ("DV: failed to set period 0x%x\n", spi->sync_period)); 1084 if (spi->sync_period == 0) { 1085 return (0); 1086 } 1087 } 1088 return (1); 1089} 1090 1091#define CCB_COMPLETED_OK(ccb) (((ccb).status & CAM_STATUS_MASK) == CAM_REQ_CMP) 1092 1093static void 1094probedone(struct cam_periph *periph, union ccb *done_ccb) 1095{ 1096 probe_softc *softc; 1097 struct cam_path *path; 1098 u_int32_t priority; 1099 1100 CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_TRACE, ("probedone\n")); 1101 1102 softc = (probe_softc *)periph->softc; 1103 path = done_ccb->ccb_h.path; 1104 priority = done_ccb->ccb_h.pinfo.priority; 1105 1106 switch (softc->action) { 1107 case PROBE_TUR: 1108 { 1109 if (cam_ccb_status(done_ccb) != CAM_REQ_CMP) { 1110 1111 if (cam_periph_error(done_ccb, 0, 1112 SF_NO_PRINT, NULL) == ERESTART) { 1113outr: 1114 /* Drop freeze taken due to CAM_DEV_QFREEZE */ 1115 cam_release_devq(path, 0, 0, 0, FALSE); 1116 return; 1117 } 1118 else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 1119 /* Don't wedge the queue */ 1120 xpt_release_devq(done_ccb->ccb_h.path, 1121 /*count*/1, 1122 /*run_queue*/TRUE); 1123 } 1124 PROBE_SET_ACTION(softc, PROBE_INQUIRY); 1125 xpt_release_ccb(done_ccb); 1126 xpt_schedule(periph, priority); 1127out: 1128 /* Drop freeze taken due to CAM_DEV_QFREEZE and release. */ 1129 cam_release_devq(path, 0, 0, 0, FALSE); 1130 cam_periph_release_locked(periph); 1131 return; 1132 } 1133 case PROBE_INQUIRY: 1134 case PROBE_FULL_INQUIRY: 1135 { 1136 if (cam_ccb_status(done_ccb) == CAM_REQ_CMP) { 1137 struct scsi_inquiry_data *inq_buf; 1138 u_int8_t periph_qual; 1139 1140 path->device->flags |= CAM_DEV_INQUIRY_DATA_VALID; 1141 scsi_find_quirk(path->device); 1142 inq_buf = &path->device->inq_data; 1143 1144 periph_qual = SID_QUAL(inq_buf); 1145 1146 if (periph_qual == SID_QUAL_LU_CONNECTED) { 1147 u_int8_t len; 1148 1149 /* 1150 * We conservatively request only 1151 * SHORT_INQUIRY_LEN bytes of inquiry 1152 * information during our first try 1153 * at sending an INQUIRY. If the device 1154 * has more information to give, 1155 * perform a second request specifying 1156 * the amount of information the device 1157 * is willing to give. 1158 */ 1159 len = inq_buf->additional_length 1160 + offsetof(struct scsi_inquiry_data, 1161 additional_length) + 1; 1162 if (softc->action == PROBE_INQUIRY 1163 && len > SHORT_INQUIRY_LENGTH) { 1164 PROBE_SET_ACTION(softc, PROBE_FULL_INQUIRY); 1165 xpt_release_ccb(done_ccb); 1166 xpt_schedule(periph, priority); 1167 goto out; 1168 } 1169 1170 scsi_devise_transport(path); 1171 1172 if (path->device->lun_id == 0 && 1173 SID_ANSI_REV(inq_buf) > SCSI_REV_SPC2 && 1174 (SCSI_QUIRK(path->device)->quirks & 1175 CAM_QUIRK_NORPTLUNS) == 0) { 1176 PROBE_SET_ACTION(softc, 1177 PROBE_REPORT_LUNS); 1178 /* 1179 * Start with room for *one* lun. 1180 */ 1181 periph->path->target->rpl_size = 16; 1182 } else if (INQ_DATA_TQ_ENABLED(inq_buf)) 1183 PROBE_SET_ACTION(softc, 1184 PROBE_MODE_SENSE); 1185 else 1186 PROBE_SET_ACTION(softc, 1187 PROBE_SUPPORTED_VPD_LIST); 1188 1189 if (path->device->flags & CAM_DEV_UNCONFIGURED) { 1190 path->device->flags &= ~CAM_DEV_UNCONFIGURED; 1191 xpt_acquire_device(path->device); 1192 } 1193 xpt_release_ccb(done_ccb); 1194 xpt_schedule(periph, priority); 1195 goto out; 1196 } else if (path->device->lun_id == 0 && 1197 SID_ANSI_REV(inq_buf) >= SCSI_REV_SPC2 && 1198 (SCSI_QUIRK(path->device)->quirks & 1199 CAM_QUIRK_NORPTLUNS) == 0) { 1200 PROBE_SET_ACTION(softc, PROBE_REPORT_LUNS); 1201 periph->path->target->rpl_size = 16; 1202 xpt_release_ccb(done_ccb); 1203 xpt_schedule(periph, priority); 1204 goto out; 1205 } 1206 } else if (cam_periph_error(done_ccb, 0, 1207 done_ccb->ccb_h.target_lun > 0 1208 ? SF_RETRY_UA|SF_QUIET_IR 1209 : SF_RETRY_UA, 1210 &softc->saved_ccb) == ERESTART) { 1211 goto outr; 1212 } else { 1213 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1214 /* Don't wedge the queue */ 1215 xpt_release_devq(done_ccb->ccb_h.path, 1216 /*count*/1, /*run_queue*/TRUE); 1217 } 1218 path->device->flags &= ~CAM_DEV_INQUIRY_DATA_VALID; 1219 } 1220 /* 1221 * If we get to this point, we got an error status back 1222 * from the inquiry and the error status doesn't require 1223 * automatically retrying the command. Therefore, the 1224 * inquiry failed. If we had inquiry information before 1225 * for this device, but this latest inquiry command failed, 1226 * the device has probably gone away. If this device isn't 1227 * already marked unconfigured, notify the peripheral 1228 * drivers that this device is no more. 1229 */ 1230 if ((path->device->flags & CAM_DEV_UNCONFIGURED) == 0) 1231 /* Send the async notification. */ 1232 xpt_async(AC_LOST_DEVICE, path, NULL); 1233 PROBE_SET_ACTION(softc, PROBE_INVALID); 1234 1235 xpt_release_ccb(done_ccb); 1236 break; 1237 } 1238 case PROBE_REPORT_LUNS: 1239 { 1240 struct ccb_scsiio *csio; 1241 struct scsi_report_luns_data *lp; 1242 u_int nlun, maxlun; 1243 1244 csio = &done_ccb->csio; 1245 1246 lp = (struct scsi_report_luns_data *)csio->data_ptr; 1247 nlun = scsi_4btoul(lp->length) / 8; 1248 maxlun = (csio->dxfer_len / 8) - 1; 1249 1250 if (cam_ccb_status(done_ccb) != CAM_REQ_CMP) { 1251 if (cam_periph_error(done_ccb, 0, 1252 done_ccb->ccb_h.target_lun > 0 ? 1253 SF_RETRY_UA|SF_QUIET_IR : SF_RETRY_UA, 1254 &softc->saved_ccb) == ERESTART) { 1255 goto outr; 1256 } 1257 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1258 xpt_release_devq(done_ccb->ccb_h.path, 1, 1259 TRUE); 1260 } 1261 free(lp, M_CAMXPT); 1262 lp = NULL; 1263 } else if (nlun > maxlun) { 1264 /* 1265 * Reallocate and retry to cover all luns 1266 */ 1267 CAM_DEBUG(path, CAM_DEBUG_PROBE, 1268 ("Probe: reallocating REPORT_LUNS for %u luns\n", 1269 nlun)); 1270 free(lp, M_CAMXPT); 1271 path->target->rpl_size = (nlun << 3) + 8; 1272 xpt_release_ccb(done_ccb); 1273 xpt_schedule(periph, priority); 1274 goto out; 1275 } else if (nlun == 0) { 1276 /* 1277 * If there don't appear to be any luns, bail. 1278 */ 1279 free(lp, M_CAMXPT); 1280 lp = NULL; 1281 } else { 1282 lun_id_t lun; 1283 int idx; 1284 1285 CAM_DEBUG(path, CAM_DEBUG_PROBE, 1286 ("Probe: %u lun(s) reported\n", nlun)); 1287 1288 CAM_GET_LUN(lp, 0, lun); 1289 /* 1290 * If the first lun is not lun 0, then either there 1291 * is no lun 0 in the list, or the list is unsorted. 1292 */ 1293 if (lun != 0) { 1294 for (idx = 0; idx < nlun; idx++) { 1295 CAM_GET_LUN(lp, idx, lun); 1296 if (lun == 0) { 1297 break; 1298 } 1299 } 1300 if (idx != nlun) { 1301 uint8_t tlun[8]; 1302 memcpy(tlun, 1303 lp->luns[0].lundata, 8); 1304 memcpy(lp->luns[0].lundata, 1305 lp->luns[idx].lundata, 8); 1306 memcpy(lp->luns[idx].lundata, 1307 tlun, 8); 1308 CAM_DEBUG(path, CAM_DEBUG_PROBE, 1309 ("lun 0 in position %u\n", idx)); 1310 } 1311 } 1312 /* 1313 * If we have an old lun list, We can either 1314 * retest luns that appear to have been dropped, 1315 * or just nuke them. We'll opt for the latter. 1316 * This function will also install the new list 1317 * in the target structure. 1318 */ 1319 probe_purge_old(path, lp, softc->flags); 1320 lp = NULL; 1321 } 1322 if (path->device->flags & CAM_DEV_INQUIRY_DATA_VALID && 1323 SID_QUAL(&path->device->inq_data) == SID_QUAL_LU_CONNECTED) { 1324 struct scsi_inquiry_data *inq_buf; 1325 inq_buf = &path->device->inq_data; 1326 if (INQ_DATA_TQ_ENABLED(inq_buf)) 1327 PROBE_SET_ACTION(softc, PROBE_MODE_SENSE); 1328 else 1329 PROBE_SET_ACTION(softc, 1330 PROBE_SUPPORTED_VPD_LIST); 1331 xpt_release_ccb(done_ccb); 1332 xpt_schedule(periph, priority); 1333 goto out; 1334 } 1335 if (lp) { 1336 free(lp, M_CAMXPT); 1337 } 1338 PROBE_SET_ACTION(softc, PROBE_INVALID); 1339 xpt_release_ccb(done_ccb); 1340 break; 1341 } 1342 case PROBE_MODE_SENSE: 1343 { 1344 struct ccb_scsiio *csio; 1345 struct scsi_mode_header_6 *mode_hdr; 1346 1347 csio = &done_ccb->csio; 1348 mode_hdr = (struct scsi_mode_header_6 *)csio->data_ptr; 1349 if (cam_ccb_status(done_ccb) == CAM_REQ_CMP) { 1350 struct scsi_control_page *page; 1351 u_int8_t *offset; 1352 1353 offset = ((u_int8_t *)&mode_hdr[1]) 1354 + mode_hdr->blk_desc_len; 1355 page = (struct scsi_control_page *)offset; 1356 path->device->queue_flags = page->queue_flags; 1357 } else if (cam_periph_error(done_ccb, 0, 1358 SF_RETRY_UA|SF_NO_PRINT, 1359 &softc->saved_ccb) == ERESTART) { 1360 goto outr; 1361 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1362 /* Don't wedge the queue */ 1363 xpt_release_devq(done_ccb->ccb_h.path, 1364 /*count*/1, /*run_queue*/TRUE); 1365 } 1366 xpt_release_ccb(done_ccb); 1367 free(mode_hdr, M_CAMXPT); 1368 PROBE_SET_ACTION(softc, PROBE_SUPPORTED_VPD_LIST); 1369 xpt_schedule(periph, priority); 1370 goto out; 1371 } 1372 case PROBE_SUPPORTED_VPD_LIST: 1373 { 1374 struct ccb_scsiio *csio; 1375 struct scsi_vpd_supported_page_list *page_list; 1376 1377 csio = &done_ccb->csio; 1378 page_list = 1379 (struct scsi_vpd_supported_page_list *)csio->data_ptr; 1380 1381 if (path->device->supported_vpds != NULL) { 1382 free(path->device->supported_vpds, M_CAMXPT); 1383 path->device->supported_vpds = NULL; 1384 path->device->supported_vpds_len = 0; 1385 } 1386 1387 if (page_list == NULL) { 1388 /* 1389 * Don't process the command as it was never sent 1390 */ 1391 } else if (CCB_COMPLETED_OK(csio->ccb_h)) { 1392 /* Got vpd list */ 1393 path->device->supported_vpds_len = page_list->length + 1394 SVPD_SUPPORTED_PAGES_HDR_LEN; 1395 path->device->supported_vpds = (uint8_t *)page_list; 1396 xpt_release_ccb(done_ccb); 1397 PROBE_SET_ACTION(softc, PROBE_DEVICE_ID); 1398 xpt_schedule(periph, priority); 1399 goto out; 1400 } else if (cam_periph_error(done_ccb, 0, 1401 SF_RETRY_UA|SF_NO_PRINT, 1402 &softc->saved_ccb) == ERESTART) { 1403 goto outr; 1404 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1405 /* Don't wedge the queue */ 1406 xpt_release_devq(done_ccb->ccb_h.path, /*count*/1, 1407 /*run_queue*/TRUE); 1408 } 1409 1410 if (page_list) 1411 free(page_list, M_CAMXPT); 1412 /* No VPDs available, skip to device check. */ 1413 csio->data_ptr = NULL; 1414 goto probe_device_check; 1415 } 1416 case PROBE_DEVICE_ID: 1417 { 1418 struct scsi_vpd_device_id *devid; 1419 struct ccb_scsiio *csio; 1420 uint32_t length = 0; 1421 1422 csio = &done_ccb->csio; 1423 devid = (struct scsi_vpd_device_id *)csio->data_ptr; 1424 1425 /* Clean up from previous instance of this device */ 1426 if (path->device->device_id != NULL) { 1427 path->device->device_id_len = 0; 1428 free(path->device->device_id, M_CAMXPT); 1429 path->device->device_id = NULL; 1430 } 1431 1432 if (devid == NULL) { 1433 /* Don't process the command as it was never sent */ 1434 } else if (CCB_COMPLETED_OK(csio->ccb_h)) { 1435 length = scsi_2btoul(devid->length); 1436 if (length != 0) { 1437 /* 1438 * NB: device_id_len is actual response 1439 * size, not buffer size. 1440 */ 1441 path->device->device_id_len = length + 1442 SVPD_DEVICE_ID_HDR_LEN; 1443 path->device->device_id = (uint8_t *)devid; 1444 } 1445 } else if (cam_periph_error(done_ccb, 0, 1446 SF_RETRY_UA, 1447 &softc->saved_ccb) == ERESTART) { 1448 goto outr; 1449 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1450 /* Don't wedge the queue */ 1451 xpt_release_devq(done_ccb->ccb_h.path, /*count*/1, 1452 /*run_queue*/TRUE); 1453 } 1454 1455 /* Free the device id space if we don't use it */ 1456 if (devid && length == 0) 1457 free(devid, M_CAMXPT); 1458 xpt_release_ccb(done_ccb); 1459 PROBE_SET_ACTION(softc, PROBE_SERIAL_NUM); 1460 xpt_schedule(periph, priority); 1461 goto out; 1462 } 1463 1464probe_device_check: 1465 case PROBE_SERIAL_NUM: 1466 { 1467 struct ccb_scsiio *csio; 1468 struct scsi_vpd_unit_serial_number *serial_buf; 1469 u_int32_t priority; 1470 int changed; 1471 int have_serialnum; 1472 1473 changed = 1; 1474 have_serialnum = 0; 1475 csio = &done_ccb->csio; 1476 priority = done_ccb->ccb_h.pinfo.priority; 1477 serial_buf = 1478 (struct scsi_vpd_unit_serial_number *)csio->data_ptr; 1479 1480 if (serial_buf == NULL) { 1481 /* 1482 * Don't process the command as it was never sent 1483 */ 1484 } else if (cam_ccb_status(done_ccb) == CAM_REQ_CMP 1485 && (serial_buf->length > 0)) { 1486 1487 have_serialnum = 1; 1488 path->device->serial_num = 1489 (u_int8_t *)malloc((serial_buf->length + 1), 1490 M_CAMXPT, M_NOWAIT); 1491 if (path->device->serial_num != NULL) { 1492 memcpy(path->device->serial_num, 1493 serial_buf->serial_num, 1494 serial_buf->length); 1495 path->device->serial_num_len = 1496 serial_buf->length; 1497 path->device->serial_num[serial_buf->length] 1498 = '\0'; 1499 } 1500 } else if (cam_periph_error(done_ccb, 0, 1501 SF_RETRY_UA|SF_NO_PRINT, 1502 &softc->saved_ccb) == ERESTART) { 1503 goto outr; 1504 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1505 /* Don't wedge the queue */ 1506 xpt_release_devq(done_ccb->ccb_h.path, /*count*/1, 1507 /*run_queue*/TRUE); 1508 } 1509 1510 /* 1511 * Let's see if we have seen this device before. 1512 */ 1513 if ((softc->flags & PROBE_INQUIRY_CKSUM) != 0) { 1514 MD5_CTX context; 1515 u_int8_t digest[16]; 1516 1517 MD5Init(&context); 1518 1519 MD5Update(&context, 1520 (unsigned char *)&path->device->inq_data, 1521 sizeof(struct scsi_inquiry_data)); 1522 1523 if (have_serialnum) 1524 MD5Update(&context, serial_buf->serial_num, 1525 serial_buf->length); 1526 1527 MD5Final(digest, &context); 1528 if (bcmp(softc->digest, digest, 16) == 0) 1529 changed = 0; 1530 1531 /* 1532 * XXX Do we need to do a TUR in order to ensure 1533 * that the device really hasn't changed??? 1534 */ 1535 if ((changed != 0) 1536 && ((softc->flags & PROBE_NO_ANNOUNCE) == 0)) 1537 xpt_async(AC_LOST_DEVICE, path, NULL); 1538 } 1539 if (serial_buf != NULL) 1540 free(serial_buf, M_CAMXPT); 1541 1542 if (changed != 0) { 1543 /* 1544 * Now that we have all the necessary 1545 * information to safely perform transfer 1546 * negotiations... Controllers don't perform 1547 * any negotiation or tagged queuing until 1548 * after the first XPT_SET_TRAN_SETTINGS ccb is 1549 * received. So, on a new device, just retrieve 1550 * the user settings, and set them as the current 1551 * settings to set the device up. 1552 */ 1553 proberequestdefaultnegotiation(periph); 1554 xpt_release_ccb(done_ccb); 1555 1556 /* 1557 * Perform a TUR to allow the controller to 1558 * perform any necessary transfer negotiation. 1559 */ 1560 PROBE_SET_ACTION(softc, PROBE_TUR_FOR_NEGOTIATION); 1561 xpt_schedule(periph, priority); 1562 goto out; 1563 } 1564 xpt_release_ccb(done_ccb); 1565 break; 1566 } 1567 case PROBE_TUR_FOR_NEGOTIATION: 1568 case PROBE_DV_EXIT: 1569 if (cam_ccb_status(done_ccb) != CAM_REQ_CMP) { 1570 cam_periph_error(done_ccb, 0, 1571 SF_NO_PRINT | SF_NO_RECOVERY | SF_NO_RETRY, NULL); 1572 } 1573 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1574 /* Don't wedge the queue */ 1575 xpt_release_devq(done_ccb->ccb_h.path, /*count*/1, 1576 /*run_queue*/TRUE); 1577 } 1578 /* 1579 * Do Domain Validation for lun 0 on devices that claim 1580 * to support Synchronous Transfer modes. 1581 */ 1582 if (softc->action == PROBE_TUR_FOR_NEGOTIATION 1583 && done_ccb->ccb_h.target_lun == 0 1584 && (path->device->inq_data.flags & SID_Sync) != 0 1585 && (path->device->flags & CAM_DEV_IN_DV) == 0) { 1586 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, 1587 ("Begin Domain Validation\n")); 1588 path->device->flags |= CAM_DEV_IN_DV; 1589 xpt_release_ccb(done_ccb); 1590 PROBE_SET_ACTION(softc, PROBE_INQUIRY_BASIC_DV1); 1591 xpt_schedule(periph, priority); 1592 goto out; 1593 } 1594 if (softc->action == PROBE_DV_EXIT) { 1595 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, 1596 ("Leave Domain Validation\n")); 1597 } 1598 if (path->device->flags & CAM_DEV_UNCONFIGURED) { 1599 path->device->flags &= ~CAM_DEV_UNCONFIGURED; 1600 xpt_acquire_device(path->device); 1601 } 1602 path->device->flags &= 1603 ~(CAM_DEV_IN_DV|CAM_DEV_DV_HIT_BOTTOM); 1604 if ((softc->flags & PROBE_NO_ANNOUNCE) == 0) { 1605 /* Inform the XPT that a new device has been found */ 1606 done_ccb->ccb_h.func_code = XPT_GDEV_TYPE; 1607 xpt_action(done_ccb); 1608 xpt_async(AC_FOUND_DEVICE, done_ccb->ccb_h.path, 1609 done_ccb); 1610 } 1611 PROBE_SET_ACTION(softc, PROBE_DONE); 1612 xpt_release_ccb(done_ccb); 1613 break; 1614 case PROBE_INQUIRY_BASIC_DV1: 1615 case PROBE_INQUIRY_BASIC_DV2: 1616 { 1617 struct scsi_inquiry_data *nbuf; 1618 struct ccb_scsiio *csio; 1619 1620 if (cam_ccb_status(done_ccb) != CAM_REQ_CMP) { 1621 cam_periph_error(done_ccb, 0, 1622 SF_NO_PRINT | SF_NO_RECOVERY | SF_NO_RETRY, NULL); 1623 } 1624 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1625 /* Don't wedge the queue */ 1626 xpt_release_devq(done_ccb->ccb_h.path, /*count*/1, 1627 /*run_queue*/TRUE); 1628 } 1629 csio = &done_ccb->csio; 1630 nbuf = (struct scsi_inquiry_data *)csio->data_ptr; 1631 if (bcmp(nbuf, &path->device->inq_data, SHORT_INQUIRY_LENGTH)) { 1632 xpt_print(path, 1633 "inquiry data fails comparison at DV%d step\n", 1634 softc->action == PROBE_INQUIRY_BASIC_DV1 ? 1 : 2); 1635 if (proberequestbackoff(periph, path->device)) { 1636 path->device->flags &= ~CAM_DEV_IN_DV; 1637 PROBE_SET_ACTION(softc, PROBE_TUR_FOR_NEGOTIATION); 1638 } else { 1639 /* give up */ 1640 PROBE_SET_ACTION(softc, PROBE_DV_EXIT); 1641 } 1642 free(nbuf, M_CAMXPT); 1643 xpt_release_ccb(done_ccb); 1644 xpt_schedule(periph, priority); 1645 goto out; 1646 } 1647 free(nbuf, M_CAMXPT); 1648 if (softc->action == PROBE_INQUIRY_BASIC_DV1) { 1649 PROBE_SET_ACTION(softc, PROBE_INQUIRY_BASIC_DV2); 1650 xpt_release_ccb(done_ccb); 1651 xpt_schedule(periph, priority); 1652 goto out; 1653 } 1654 if (softc->action == PROBE_INQUIRY_BASIC_DV2) { 1655 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, 1656 ("Leave Domain Validation Successfully\n")); 1657 } 1658 if (path->device->flags & CAM_DEV_UNCONFIGURED) { 1659 path->device->flags &= ~CAM_DEV_UNCONFIGURED; 1660 xpt_acquire_device(path->device); 1661 } 1662 path->device->flags &= 1663 ~(CAM_DEV_IN_DV|CAM_DEV_DV_HIT_BOTTOM); 1664 if ((softc->flags & PROBE_NO_ANNOUNCE) == 0) { 1665 /* Inform the XPT that a new device has been found */ 1666 done_ccb->ccb_h.func_code = XPT_GDEV_TYPE; 1667 xpt_action(done_ccb); 1668 xpt_async(AC_FOUND_DEVICE, done_ccb->ccb_h.path, 1669 done_ccb); 1670 } 1671 PROBE_SET_ACTION(softc, PROBE_DONE); 1672 xpt_release_ccb(done_ccb); 1673 break; 1674 } 1675 default: 1676 panic("probedone: invalid action state 0x%x\n", softc->action); 1677 } 1678 done_ccb = (union ccb *)TAILQ_FIRST(&softc->request_ccbs); 1679 TAILQ_REMOVE(&softc->request_ccbs, &done_ccb->ccb_h, periph_links.tqe); 1680 done_ccb->ccb_h.status = CAM_REQ_CMP; 1681 xpt_done(done_ccb); 1682 if (TAILQ_FIRST(&softc->request_ccbs) == NULL) { 1683 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, ("Probe completed\n")); 1684 /* Drop freeze taken due to CAM_DEV_QFREEZE flag set. */ 1685 cam_release_devq(path, 0, 0, 0, FALSE); 1686 cam_periph_release_locked(periph); 1687 cam_periph_invalidate(periph); 1688 cam_periph_release_locked(periph); 1689 } else { 1690 probeschedule(periph); 1691 goto out; 1692 } 1693} 1694 1695static void 1696probe_purge_old(struct cam_path *path, struct scsi_report_luns_data *new, 1697 probe_flags flags) 1698{ 1699 struct cam_path *tp; 1700 struct scsi_report_luns_data *old; 1701 u_int idx1, idx2, nlun_old, nlun_new; 1702 lun_id_t this_lun; 1703 u_int8_t *ol, *nl; 1704 1705 if (path->target == NULL) { 1706 return; 1707 } 1708 mtx_lock(&path->target->luns_mtx); 1709 old = path->target->luns; 1710 path->target->luns = new; 1711 mtx_unlock(&path->target->luns_mtx); 1712 if (old == NULL) 1713 return; 1714 nlun_old = scsi_4btoul(old->length) / 8; 1715 nlun_new = scsi_4btoul(new->length) / 8; 1716 1717 /* 1718 * We are not going to assume sorted lists. Deal. 1719 */ 1720 for (idx1 = 0; idx1 < nlun_old; idx1++) { 1721 ol = old->luns[idx1].lundata; 1722 for (idx2 = 0; idx2 < nlun_new; idx2++) { 1723 nl = new->luns[idx2].lundata; 1724 if (memcmp(nl, ol, 8) == 0) { 1725 break; 1726 } 1727 } 1728 if (idx2 < nlun_new) { 1729 continue; 1730 } 1731 /* 1732 * An 'old' item not in the 'new' list. 1733 * Nuke it. Except that if it is lun 0, 1734 * that would be what the probe state 1735 * machine is currently working on, 1736 * so we won't do that. 1737 */ 1738 CAM_GET_LUN(old, idx1, this_lun); 1739 if (this_lun == 0) { 1740 continue; 1741 } 1742 1743 /* 1744 * We also cannot nuke it if it is 1745 * not in a lun format we understand 1746 * and replace the LUN with a "simple" LUN 1747 * if that is all the HBA supports. 1748 */ 1749 if (!(flags & PROBE_EXTLUN)) { 1750 if (!CAM_CAN_GET_SIMPLE_LUN(old, idx1)) 1751 continue; 1752 CAM_GET_SIMPLE_LUN(old, idx1, this_lun); 1753 } 1754 if (!CAM_LUN_ONLY_32BITS(old, idx1)) 1755 continue; 1756 1757 if (xpt_create_path(&tp, NULL, xpt_path_path_id(path), 1758 xpt_path_target_id(path), this_lun) == CAM_REQ_CMP) { 1759 xpt_async(AC_LOST_DEVICE, tp, NULL); 1760 xpt_free_path(tp); 1761 } 1762 } 1763 free(old, M_CAMXPT); 1764} 1765 1766static void 1767probecleanup(struct cam_periph *periph) 1768{ 1769 free(periph->softc, M_CAMXPT); 1770} 1771 1772static void 1773scsi_find_quirk(struct cam_ed *device) 1774{ 1775 struct scsi_quirk_entry *quirk; 1776 caddr_t match; 1777 1778 match = cam_quirkmatch((caddr_t)&device->inq_data, 1779 (caddr_t)scsi_quirk_table, 1780 sizeof(scsi_quirk_table) / 1781 sizeof(*scsi_quirk_table), 1782 sizeof(*scsi_quirk_table), scsi_inquiry_match); 1783 1784 if (match == NULL) 1785 panic("xpt_find_quirk: device didn't match wildcard entry!!"); 1786 1787 quirk = (struct scsi_quirk_entry *)match; 1788 device->quirk = quirk; 1789 device->mintags = quirk->mintags; 1790 device->maxtags = quirk->maxtags; 1791} 1792 1793static int 1794sysctl_cam_search_luns(SYSCTL_HANDLER_ARGS) 1795{ 1796 int error, val; 1797 1798 val = cam_srch_hi; 1799 error = sysctl_handle_int(oidp, &val, 0, req); 1800 if (error != 0 || req->newptr == NULL) 1801 return (error); 1802 if (val == 0 || val == 1) { 1803 cam_srch_hi = val; 1804 return (0); 1805 } else { 1806 return (EINVAL); 1807 } 1808} 1809 1810typedef struct { 1811 union ccb *request_ccb; 1812 struct ccb_pathinq *cpi; 1813 int counter; 1814 int lunindex[0]; 1815} scsi_scan_bus_info; 1816 1817/* 1818 * To start a scan, request_ccb is an XPT_SCAN_BUS ccb. 1819 * As the scan progresses, scsi_scan_bus is used as the 1820 * callback on completion function. 1821 */ 1822static void 1823scsi_scan_bus(struct cam_periph *periph, union ccb *request_ccb) 1824{ 1825 struct mtx *mtx; 1826 1827 CAM_DEBUG(request_ccb->ccb_h.path, CAM_DEBUG_TRACE, 1828 ("scsi_scan_bus\n")); 1829 switch (request_ccb->ccb_h.func_code) { 1830 case XPT_SCAN_BUS: 1831 case XPT_SCAN_TGT: 1832 { 1833 scsi_scan_bus_info *scan_info; 1834 union ccb *work_ccb, *reset_ccb; 1835 struct cam_path *path; 1836 u_int i; 1837 u_int low_target, max_target; 1838 u_int initiator_id; 1839 1840 /* Find out the characteristics of the bus */ 1841 work_ccb = xpt_alloc_ccb_nowait(); 1842 if (work_ccb == NULL) { 1843 request_ccb->ccb_h.status = CAM_RESRC_UNAVAIL; 1844 xpt_done(request_ccb); 1845 return; 1846 } 1847 xpt_setup_ccb(&work_ccb->ccb_h, request_ccb->ccb_h.path, 1848 request_ccb->ccb_h.pinfo.priority); 1849 work_ccb->ccb_h.func_code = XPT_PATH_INQ; 1850 xpt_action(work_ccb); 1851 if (work_ccb->ccb_h.status != CAM_REQ_CMP) { 1852 request_ccb->ccb_h.status = work_ccb->ccb_h.status; 1853 xpt_free_ccb(work_ccb); 1854 xpt_done(request_ccb); 1855 return; 1856 } 1857 1858 if ((work_ccb->cpi.hba_misc & PIM_NOINITIATOR) != 0) { 1859 /* 1860 * Can't scan the bus on an adapter that 1861 * cannot perform the initiator role. 1862 */ 1863 request_ccb->ccb_h.status = CAM_REQ_CMP; 1864 xpt_free_ccb(work_ccb); 1865 xpt_done(request_ccb); 1866 return; 1867 } 1868 1869 /* We may need to reset bus first, if we haven't done it yet. */ 1870 if ((work_ccb->cpi.hba_inquiry & 1871 (PI_WIDE_32|PI_WIDE_16|PI_SDTR_ABLE)) && 1872 !(work_ccb->cpi.hba_misc & PIM_NOBUSRESET) && 1873 !timevalisset(&request_ccb->ccb_h.path->bus->last_reset) && 1874 (reset_ccb = xpt_alloc_ccb_nowait()) != NULL) { 1875 xpt_setup_ccb(&reset_ccb->ccb_h, request_ccb->ccb_h.path, 1876 CAM_PRIORITY_NONE); 1877 reset_ccb->ccb_h.func_code = XPT_RESET_BUS; 1878 xpt_action(reset_ccb); 1879 if (reset_ccb->ccb_h.status != CAM_REQ_CMP) { 1880 request_ccb->ccb_h.status = reset_ccb->ccb_h.status; 1881 xpt_free_ccb(reset_ccb); 1882 xpt_free_ccb(work_ccb); 1883 xpt_done(request_ccb); 1884 return; 1885 } 1886 xpt_free_ccb(reset_ccb); 1887 } 1888 1889 /* Save some state for use while we probe for devices */ 1890 scan_info = (scsi_scan_bus_info *) malloc(sizeof(scsi_scan_bus_info) + 1891 (work_ccb->cpi.max_target * sizeof (u_int)), M_CAMXPT, M_ZERO|M_NOWAIT); 1892 if (scan_info == NULL) { 1893 request_ccb->ccb_h.status = CAM_RESRC_UNAVAIL; 1894 xpt_free_ccb(work_ccb); 1895 xpt_done(request_ccb); 1896 return; 1897 } 1898 CAM_DEBUG(request_ccb->ccb_h.path, CAM_DEBUG_TRACE, 1899 ("SCAN start for %p\n", scan_info)); 1900 scan_info->request_ccb = request_ccb; 1901 scan_info->cpi = &work_ccb->cpi; 1902 1903 /* Cache on our stack so we can work asynchronously */ 1904 max_target = scan_info->cpi->max_target; 1905 low_target = 0; 1906 initiator_id = scan_info->cpi->initiator_id; 1907 1908 1909 /* 1910 * We can scan all targets in parallel, or do it sequentially. 1911 */ 1912 1913 if (request_ccb->ccb_h.func_code == XPT_SCAN_TGT) { 1914 max_target = low_target = request_ccb->ccb_h.target_id; 1915 scan_info->counter = 0; 1916 } else if (scan_info->cpi->hba_misc & PIM_SEQSCAN) { 1917 max_target = 0; 1918 scan_info->counter = 0; 1919 } else { 1920 scan_info->counter = scan_info->cpi->max_target + 1; 1921 if (scan_info->cpi->initiator_id < scan_info->counter) { 1922 scan_info->counter--; 1923 } 1924 } 1925 mtx = xpt_path_mtx(scan_info->request_ccb->ccb_h.path); 1926 mtx_unlock(mtx); 1927 1928 for (i = low_target; i <= max_target; i++) { 1929 cam_status status; 1930 if (i == initiator_id) 1931 continue; 1932 1933 status = xpt_create_path(&path, NULL, 1934 request_ccb->ccb_h.path_id, 1935 i, 0); 1936 if (status != CAM_REQ_CMP) { 1937 printf("scsi_scan_bus: xpt_create_path failed" 1938 " with status %#x, bus scan halted\n", 1939 status); 1940 free(scan_info, M_CAMXPT); 1941 request_ccb->ccb_h.status = status; 1942 xpt_free_ccb(work_ccb); 1943 xpt_done(request_ccb); 1944 break; 1945 } 1946 work_ccb = xpt_alloc_ccb_nowait(); 1947 if (work_ccb == NULL) { 1948 xpt_free_ccb((union ccb *)scan_info->cpi); 1949 free(scan_info, M_CAMXPT); 1950 xpt_free_path(path); 1951 request_ccb->ccb_h.status = CAM_RESRC_UNAVAIL; 1952 xpt_done(request_ccb); 1953 break; 1954 } 1955 xpt_setup_ccb(&work_ccb->ccb_h, path, 1956 request_ccb->ccb_h.pinfo.priority); 1957 work_ccb->ccb_h.func_code = XPT_SCAN_LUN; 1958 work_ccb->ccb_h.cbfcnp = scsi_scan_bus; 1959 work_ccb->ccb_h.flags |= CAM_UNLOCKED; 1960 work_ccb->ccb_h.ppriv_ptr0 = scan_info; 1961 work_ccb->crcn.flags = request_ccb->crcn.flags; 1962 xpt_action(work_ccb); 1963 } 1964 1965 mtx_lock(mtx); 1966 break; 1967 } 1968 case XPT_SCAN_LUN: 1969 { 1970 cam_status status; 1971 struct cam_path *path, *oldpath; 1972 scsi_scan_bus_info *scan_info; 1973 struct cam_et *target; 1974 struct cam_ed *device, *nextdev; 1975 int next_target; 1976 path_id_t path_id; 1977 target_id_t target_id; 1978 lun_id_t lun_id; 1979 1980 oldpath = request_ccb->ccb_h.path; 1981 1982 status = cam_ccb_status(request_ccb); 1983 scan_info = (scsi_scan_bus_info *)request_ccb->ccb_h.ppriv_ptr0; 1984 path_id = request_ccb->ccb_h.path_id; 1985 target_id = request_ccb->ccb_h.target_id; 1986 lun_id = request_ccb->ccb_h.target_lun; 1987 target = request_ccb->ccb_h.path->target; 1988 next_target = 1; 1989 1990 mtx = xpt_path_mtx(scan_info->request_ccb->ccb_h.path); 1991 mtx_lock(mtx); 1992 mtx_lock(&target->luns_mtx); 1993 if (target->luns) { 1994 lun_id_t first; 1995 u_int nluns = scsi_4btoul(target->luns->length) / 8; 1996 1997 /* 1998 * Make sure we skip over lun 0 if it's the first member 1999 * of the list as we've actually just finished probing 2000 * it. 2001 */ 2002 CAM_GET_LUN(target->luns, 0, first); 2003 if (first == 0 && scan_info->lunindex[target_id] == 0) { 2004 scan_info->lunindex[target_id]++; 2005 } 2006 2007 /* 2008 * Skip any LUNs that the HBA can't deal with. 2009 */ 2010 while (scan_info->lunindex[target_id] < nluns) { 2011 if (scan_info->cpi->hba_misc & PIM_EXTLUNS) { 2012 CAM_GET_LUN(target->luns, 2013 scan_info->lunindex[target_id], 2014 lun_id); 2015 break; 2016 } 2017 2018 /* XXX print warning? */ 2019 if (!CAM_LUN_ONLY_32BITS(target->luns, 2020 scan_info->lunindex[target_id])) 2021 continue; 2022 if (CAM_CAN_GET_SIMPLE_LUN(target->luns, 2023 scan_info->lunindex[target_id])) { 2024 CAM_GET_SIMPLE_LUN(target->luns, 2025 scan_info->lunindex[target_id], 2026 lun_id); 2027 break; 2028 } 2029 2030 scan_info->lunindex[target_id]++; 2031 } 2032 2033 if (scan_info->lunindex[target_id] < nluns) { 2034 mtx_unlock(&target->luns_mtx); 2035 next_target = 0; 2036 CAM_DEBUG(request_ccb->ccb_h.path, 2037 CAM_DEBUG_PROBE, 2038 ("next lun to try at index %u is %jx\n", 2039 scan_info->lunindex[target_id], 2040 (uintmax_t)lun_id)); 2041 scan_info->lunindex[target_id]++; 2042 } else { 2043 mtx_unlock(&target->luns_mtx); 2044 /* We're done with scanning all luns. */ 2045 } 2046 } else { 2047 mtx_unlock(&target->luns_mtx); 2048 device = request_ccb->ccb_h.path->device; 2049 /* Continue sequential LUN scan if: */ 2050 /* -- we have more LUNs that need recheck */ 2051 mtx_lock(&target->bus->eb_mtx); 2052 nextdev = device; 2053 while ((nextdev = TAILQ_NEXT(nextdev, links)) != NULL) 2054 if ((nextdev->flags & CAM_DEV_UNCONFIGURED) == 0) 2055 break; 2056 mtx_unlock(&target->bus->eb_mtx); 2057 if (nextdev != NULL) { 2058 next_target = 0; 2059 /* -- stop if CAM_QUIRK_NOLUNS is set. */ 2060 } else if (SCSI_QUIRK(device)->quirks & CAM_QUIRK_NOLUNS) { 2061 next_target = 1; 2062 /* -- this LUN is connected and its SCSI version 2063 * allows more LUNs. */ 2064 } else if ((device->flags & CAM_DEV_UNCONFIGURED) == 0) { 2065 if (lun_id < (CAM_SCSI2_MAXLUN-1) || 2066 CAN_SRCH_HI_DENSE(device)) 2067 next_target = 0; 2068 /* -- this LUN is disconnected, its SCSI version 2069 * allows more LUNs and we guess they may be. */ 2070 } else if ((device->flags & CAM_DEV_INQUIRY_DATA_VALID) != 0) { 2071 if (lun_id < (CAM_SCSI2_MAXLUN-1) || 2072 CAN_SRCH_HI_SPARSE(device)) 2073 next_target = 0; 2074 } 2075 if (next_target == 0) { 2076 lun_id++; 2077 if (lun_id > scan_info->cpi->max_lun) 2078 next_target = 1; 2079 } 2080 } 2081 2082 /* 2083 * Check to see if we scan any further luns. 2084 */ 2085 if (next_target) { 2086 int done; 2087 2088 /* 2089 * Free the current request path- we're done with it. 2090 */ 2091 xpt_free_path(oldpath); 2092 hop_again: 2093 done = 0; 2094 if (scan_info->request_ccb->ccb_h.func_code == XPT_SCAN_TGT) { 2095 done = 1; 2096 } else if (scan_info->cpi->hba_misc & PIM_SEQSCAN) { 2097 scan_info->counter++; 2098 if (scan_info->counter == 2099 scan_info->cpi->initiator_id) { 2100 scan_info->counter++; 2101 } 2102 if (scan_info->counter >= 2103 scan_info->cpi->max_target+1) { 2104 done = 1; 2105 } 2106 } else { 2107 scan_info->counter--; 2108 if (scan_info->counter == 0) { 2109 done = 1; 2110 } 2111 } 2112 if (done) { 2113 mtx_unlock(mtx); 2114 xpt_free_ccb(request_ccb); 2115 xpt_free_ccb((union ccb *)scan_info->cpi); 2116 request_ccb = scan_info->request_ccb; 2117 CAM_DEBUG(request_ccb->ccb_h.path, 2118 CAM_DEBUG_TRACE, 2119 ("SCAN done for %p\n", scan_info)); 2120 free(scan_info, M_CAMXPT); 2121 request_ccb->ccb_h.status = CAM_REQ_CMP; 2122 xpt_done(request_ccb); 2123 break; 2124 } 2125 2126 if ((scan_info->cpi->hba_misc & PIM_SEQSCAN) == 0) { 2127 mtx_unlock(mtx); 2128 xpt_free_ccb(request_ccb); 2129 break; 2130 } 2131 status = xpt_create_path(&path, NULL, 2132 scan_info->request_ccb->ccb_h.path_id, 2133 scan_info->counter, 0); 2134 if (status != CAM_REQ_CMP) { 2135 mtx_unlock(mtx); 2136 printf("scsi_scan_bus: xpt_create_path failed" 2137 " with status %#x, bus scan halted\n", 2138 status); 2139 xpt_free_ccb(request_ccb); 2140 xpt_free_ccb((union ccb *)scan_info->cpi); 2141 request_ccb = scan_info->request_ccb; 2142 free(scan_info, M_CAMXPT); 2143 request_ccb->ccb_h.status = status; 2144 xpt_done(request_ccb); 2145 break; 2146 } 2147 xpt_setup_ccb(&request_ccb->ccb_h, path, 2148 request_ccb->ccb_h.pinfo.priority); 2149 request_ccb->ccb_h.func_code = XPT_SCAN_LUN; 2150 request_ccb->ccb_h.cbfcnp = scsi_scan_bus; 2151 request_ccb->ccb_h.flags |= CAM_UNLOCKED; 2152 request_ccb->ccb_h.ppriv_ptr0 = scan_info; 2153 request_ccb->crcn.flags = 2154 scan_info->request_ccb->crcn.flags; 2155 } else { 2156 status = xpt_create_path(&path, NULL, 2157 path_id, target_id, lun_id); 2158 /* 2159 * Free the old request path- we're done with it. We 2160 * do this *after* creating the new path so that 2161 * we don't remove a target that has our lun list 2162 * in the case that lun 0 is not present. 2163 */ 2164 xpt_free_path(oldpath); 2165 if (status != CAM_REQ_CMP) { 2166 printf("scsi_scan_bus: xpt_create_path failed " 2167 "with status %#x, halting LUN scan\n", 2168 status); 2169 goto hop_again; 2170 } 2171 xpt_setup_ccb(&request_ccb->ccb_h, path, 2172 request_ccb->ccb_h.pinfo.priority); 2173 request_ccb->ccb_h.func_code = XPT_SCAN_LUN; 2174 request_ccb->ccb_h.cbfcnp = scsi_scan_bus; 2175 request_ccb->ccb_h.flags |= CAM_UNLOCKED; 2176 request_ccb->ccb_h.ppriv_ptr0 = scan_info; 2177 request_ccb->crcn.flags = 2178 scan_info->request_ccb->crcn.flags; 2179 } 2180 mtx_unlock(mtx); 2181 xpt_action(request_ccb); 2182 break; 2183 } 2184 default: 2185 break; 2186 } 2187} 2188 2189static void 2190scsi_scan_lun(struct cam_periph *periph, struct cam_path *path, 2191 cam_flags flags, union ccb *request_ccb) 2192{ 2193 struct ccb_pathinq cpi; 2194 cam_status status; 2195 struct cam_path *new_path; 2196 struct cam_periph *old_periph; 2197 int lock; 2198 2199 CAM_DEBUG(path, CAM_DEBUG_TRACE, ("scsi_scan_lun\n")); 2200 2201 xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NONE); 2202 cpi.ccb_h.func_code = XPT_PATH_INQ; 2203 xpt_action((union ccb *)&cpi); 2204 2205 if (cpi.ccb_h.status != CAM_REQ_CMP) { 2206 if (request_ccb != NULL) { 2207 request_ccb->ccb_h.status = cpi.ccb_h.status; 2208 xpt_done(request_ccb); 2209 } 2210 return; 2211 } 2212 2213 if ((cpi.hba_misc & PIM_NOINITIATOR) != 0) { 2214 /* 2215 * Can't scan the bus on an adapter that 2216 * cannot perform the initiator role. 2217 */ 2218 if (request_ccb != NULL) { 2219 request_ccb->ccb_h.status = CAM_REQ_CMP; 2220 xpt_done(request_ccb); 2221 } 2222 return; 2223 } 2224 2225 if (request_ccb == NULL) { 2226 request_ccb = xpt_alloc_ccb_nowait(); 2227 if (request_ccb == NULL) { 2228 xpt_print(path, "scsi_scan_lun: can't allocate CCB, " 2229 "can't continue\n"); 2230 return; 2231 } 2232 status = xpt_create_path(&new_path, NULL, 2233 path->bus->path_id, 2234 path->target->target_id, 2235 path->device->lun_id); 2236 if (status != CAM_REQ_CMP) { 2237 xpt_print(path, "scsi_scan_lun: can't create path, " 2238 "can't continue\n"); 2239 xpt_free_ccb(request_ccb); 2240 return; 2241 } 2242 xpt_setup_ccb(&request_ccb->ccb_h, new_path, CAM_PRIORITY_XPT); 2243 request_ccb->ccb_h.cbfcnp = xptscandone; 2244 request_ccb->ccb_h.func_code = XPT_SCAN_LUN; 2245 request_ccb->ccb_h.flags |= CAM_UNLOCKED; 2246 request_ccb->crcn.flags = flags; 2247 } 2248 2249 lock = (xpt_path_owned(path) == 0); 2250 if (lock) 2251 xpt_path_lock(path); 2252 if ((old_periph = cam_periph_find(path, "probe")) != NULL) { 2253 if ((old_periph->flags & CAM_PERIPH_INVALID) == 0) { 2254 probe_softc *softc; 2255 2256 softc = (probe_softc *)old_periph->softc; 2257 TAILQ_INSERT_TAIL(&softc->request_ccbs, 2258 &request_ccb->ccb_h, periph_links.tqe); 2259 } else { 2260 request_ccb->ccb_h.status = CAM_REQ_CMP_ERR; 2261 xpt_done(request_ccb); 2262 } 2263 } else { 2264 status = cam_periph_alloc(proberegister, NULL, probecleanup, 2265 probestart, "probe", 2266 CAM_PERIPH_BIO, 2267 request_ccb->ccb_h.path, NULL, 0, 2268 request_ccb); 2269 2270 if (status != CAM_REQ_CMP) { 2271 xpt_print(path, "scsi_scan_lun: cam_alloc_periph " 2272 "returned an error, can't continue probe\n"); 2273 request_ccb->ccb_h.status = status; 2274 xpt_done(request_ccb); 2275 } 2276 } 2277 if (lock) 2278 xpt_path_unlock(path); 2279} 2280 2281static void 2282xptscandone(struct cam_periph *periph, union ccb *done_ccb) 2283{ 2284 2285 xpt_free_path(done_ccb->ccb_h.path); 2286 xpt_free_ccb(done_ccb); 2287} 2288 2289static struct cam_ed * 2290scsi_alloc_device(struct cam_eb *bus, struct cam_et *target, lun_id_t lun_id) 2291{ 2292 struct scsi_quirk_entry *quirk; 2293 struct cam_ed *device; 2294 2295 device = xpt_alloc_device(bus, target, lun_id); 2296 if (device == NULL) 2297 return (NULL); 2298 2299 /* 2300 * Take the default quirk entry until we have inquiry 2301 * data and can determine a better quirk to use. 2302 */ 2303 quirk = &scsi_quirk_table[scsi_quirk_table_size - 1]; 2304 device->quirk = (void *)quirk; 2305 device->mintags = quirk->mintags; 2306 device->maxtags = quirk->maxtags; 2307 bzero(&device->inq_data, sizeof(device->inq_data)); 2308 device->inq_flags = 0; 2309 device->queue_flags = 0; 2310 device->serial_num = NULL; 2311 device->serial_num_len = 0; 2312 device->device_id = NULL; 2313 device->device_id_len = 0; 2314 device->supported_vpds = NULL; 2315 device->supported_vpds_len = 0; 2316 return (device); 2317} 2318 2319static void 2320scsi_devise_transport(struct cam_path *path) 2321{ 2322 struct ccb_pathinq cpi; 2323 struct ccb_trans_settings cts; 2324 struct scsi_inquiry_data *inq_buf; 2325 2326 /* Get transport information from the SIM */ 2327 xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NONE); 2328 cpi.ccb_h.func_code = XPT_PATH_INQ; 2329 xpt_action((union ccb *)&cpi); 2330 2331 inq_buf = NULL; 2332 if ((path->device->flags & CAM_DEV_INQUIRY_DATA_VALID) != 0) 2333 inq_buf = &path->device->inq_data; 2334 path->device->protocol = PROTO_SCSI; 2335 path->device->protocol_version = 2336 inq_buf != NULL ? SID_ANSI_REV(inq_buf) : cpi.protocol_version; 2337 path->device->transport = cpi.transport; 2338 path->device->transport_version = cpi.transport_version; 2339 2340 /* 2341 * Any device not using SPI3 features should 2342 * be considered SPI2 or lower. 2343 */ 2344 if (inq_buf != NULL) { 2345 if (path->device->transport == XPORT_SPI 2346 && (inq_buf->spi3data & SID_SPI_MASK) == 0 2347 && path->device->transport_version > 2) 2348 path->device->transport_version = 2; 2349 } else { 2350 struct cam_ed* otherdev; 2351 2352 for (otherdev = TAILQ_FIRST(&path->target->ed_entries); 2353 otherdev != NULL; 2354 otherdev = TAILQ_NEXT(otherdev, links)) { 2355 if (otherdev != path->device) 2356 break; 2357 } 2358 2359 if (otherdev != NULL) { 2360 /* 2361 * Initially assume the same versioning as 2362 * prior luns for this target. 2363 */ 2364 path->device->protocol_version = 2365 otherdev->protocol_version; 2366 path->device->transport_version = 2367 otherdev->transport_version; 2368 } else { 2369 /* Until we know better, opt for safty */ 2370 path->device->protocol_version = 2; 2371 if (path->device->transport == XPORT_SPI) 2372 path->device->transport_version = 2; 2373 else 2374 path->device->transport_version = 0; 2375 } 2376 } 2377 2378 /* 2379 * XXX 2380 * For a device compliant with SPC-2 we should be able 2381 * to determine the transport version supported by 2382 * scrutinizing the version descriptors in the 2383 * inquiry buffer. 2384 */ 2385 2386 /* Tell the controller what we think */ 2387 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 2388 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 2389 cts.type = CTS_TYPE_CURRENT_SETTINGS; 2390 cts.transport = path->device->transport; 2391 cts.transport_version = path->device->transport_version; 2392 cts.protocol = path->device->protocol; 2393 cts.protocol_version = path->device->protocol_version; 2394 cts.proto_specific.valid = 0; 2395 cts.xport_specific.valid = 0; 2396 xpt_action((union ccb *)&cts); 2397} 2398 2399static void 2400scsi_dev_advinfo(union ccb *start_ccb) 2401{ 2402 struct cam_ed *device; 2403 struct ccb_dev_advinfo *cdai; 2404 off_t amt; 2405 2406 start_ccb->ccb_h.status = CAM_REQ_INVALID; 2407 device = start_ccb->ccb_h.path->device; 2408 cdai = &start_ccb->cdai; 2409 switch(cdai->buftype) { 2410 case CDAI_TYPE_SCSI_DEVID: 2411 if (cdai->flags & CDAI_FLAG_STORE) 2412 return; 2413 cdai->provsiz = device->device_id_len; 2414 if (device->device_id_len == 0) 2415 break; 2416 amt = device->device_id_len; 2417 if (cdai->provsiz > cdai->bufsiz) 2418 amt = cdai->bufsiz; 2419 memcpy(cdai->buf, device->device_id, amt); 2420 break; 2421 case CDAI_TYPE_SERIAL_NUM: 2422 if (cdai->flags & CDAI_FLAG_STORE) 2423 return; 2424 cdai->provsiz = device->serial_num_len; 2425 if (device->serial_num_len == 0) 2426 break; 2427 amt = device->serial_num_len; 2428 if (cdai->provsiz > cdai->bufsiz) 2429 amt = cdai->bufsiz; 2430 memcpy(cdai->buf, device->serial_num, amt); 2431 break; 2432 case CDAI_TYPE_PHYS_PATH: 2433 if (cdai->flags & CDAI_FLAG_STORE) { 2434 if (device->physpath != NULL) { 2435 free(device->physpath, M_CAMXPT); 2436 device->physpath = NULL; 2437 } 2438 device->physpath_len = cdai->bufsiz; 2439 /* Clear existing buffer if zero length */ 2440 if (cdai->bufsiz == 0) 2441 break; 2442 device->physpath = malloc(cdai->bufsiz, M_CAMXPT, M_NOWAIT); 2443 if (device->physpath == NULL) { 2444 start_ccb->ccb_h.status = CAM_REQ_ABORTED; 2445 return; 2446 } 2447 memcpy(device->physpath, cdai->buf, cdai->bufsiz); 2448 } else { 2449 cdai->provsiz = device->physpath_len; 2450 if (device->physpath_len == 0) 2451 break; 2452 amt = device->physpath_len; 2453 if (cdai->provsiz > cdai->bufsiz) 2454 amt = cdai->bufsiz; 2455 memcpy(cdai->buf, device->physpath, amt); 2456 } 2457 break; 2458 case CDAI_TYPE_RCAPLONG: 2459 if (cdai->flags & CDAI_FLAG_STORE) { 2460 if (device->rcap_buf != NULL) { 2461 free(device->rcap_buf, M_CAMXPT); 2462 device->rcap_buf = NULL; 2463 } 2464 2465 device->rcap_len = cdai->bufsiz; 2466 /* Clear existing buffer if zero length */ 2467 if (cdai->bufsiz == 0) 2468 break; 2469 2470 device->rcap_buf = malloc(cdai->bufsiz, M_CAMXPT, 2471 M_NOWAIT); 2472 if (device->rcap_buf == NULL) { 2473 start_ccb->ccb_h.status = CAM_REQ_ABORTED; 2474 return; 2475 } 2476 2477 memcpy(device->rcap_buf, cdai->buf, cdai->bufsiz); 2478 } else { 2479 cdai->provsiz = device->rcap_len; 2480 if (device->rcap_len == 0) 2481 break; 2482 amt = device->rcap_len; 2483 if (cdai->provsiz > cdai->bufsiz) 2484 amt = cdai->bufsiz; 2485 memcpy(cdai->buf, device->rcap_buf, amt); 2486 } 2487 break; 2488 default: 2489 return; 2490 } 2491 start_ccb->ccb_h.status = CAM_REQ_CMP; 2492 2493 if (cdai->flags & CDAI_FLAG_STORE) { 2494 xpt_async(AC_ADVINFO_CHANGED, start_ccb->ccb_h.path, 2495 (void *)(uintptr_t)cdai->buftype); 2496 } 2497} 2498 2499static void 2500scsi_action(union ccb *start_ccb) 2501{ 2502 2503 switch (start_ccb->ccb_h.func_code) { 2504 case XPT_SET_TRAN_SETTINGS: 2505 { 2506 scsi_set_transfer_settings(&start_ccb->cts, 2507 start_ccb->ccb_h.path, 2508 /*async_update*/FALSE); 2509 break; 2510 } 2511 case XPT_SCAN_BUS: 2512 case XPT_SCAN_TGT: 2513 scsi_scan_bus(start_ccb->ccb_h.path->periph, start_ccb); 2514 break; 2515 case XPT_SCAN_LUN: 2516 scsi_scan_lun(start_ccb->ccb_h.path->periph, 2517 start_ccb->ccb_h.path, start_ccb->crcn.flags, 2518 start_ccb); 2519 break; 2520 case XPT_DEV_ADVINFO: 2521 { 2522 scsi_dev_advinfo(start_ccb); 2523 break; 2524 } 2525 default: 2526 xpt_action_default(start_ccb); 2527 break; 2528 } 2529} 2530 2531static void 2532scsi_set_transfer_settings(struct ccb_trans_settings *cts, struct cam_path *path, 2533 int async_update) 2534{ 2535 struct ccb_pathinq cpi; 2536 struct ccb_trans_settings cur_cts; 2537 struct ccb_trans_settings_scsi *scsi; 2538 struct ccb_trans_settings_scsi *cur_scsi; 2539 struct scsi_inquiry_data *inq_data; 2540 struct cam_ed *device; 2541 2542 if (path == NULL || (device = path->device) == NULL) { 2543 cts->ccb_h.status = CAM_PATH_INVALID; 2544 xpt_done((union ccb *)cts); 2545 return; 2546 } 2547 2548 if (cts->protocol == PROTO_UNKNOWN 2549 || cts->protocol == PROTO_UNSPECIFIED) { 2550 cts->protocol = device->protocol; 2551 cts->protocol_version = device->protocol_version; 2552 } 2553 2554 if (cts->protocol_version == PROTO_VERSION_UNKNOWN 2555 || cts->protocol_version == PROTO_VERSION_UNSPECIFIED) 2556 cts->protocol_version = device->protocol_version; 2557 2558 if (cts->protocol != device->protocol) { 2559 xpt_print(path, "Uninitialized Protocol %x:%x?\n", 2560 cts->protocol, device->protocol); 2561 cts->protocol = device->protocol; 2562 } 2563 2564 if (cts->protocol_version > device->protocol_version) { 2565 if (bootverbose) { 2566 xpt_print(path, "Down reving Protocol " 2567 "Version from %d to %d?\n", cts->protocol_version, 2568 device->protocol_version); 2569 } 2570 cts->protocol_version = device->protocol_version; 2571 } 2572 2573 if (cts->transport == XPORT_UNKNOWN 2574 || cts->transport == XPORT_UNSPECIFIED) { 2575 cts->transport = device->transport; 2576 cts->transport_version = device->transport_version; 2577 } 2578 2579 if (cts->transport_version == XPORT_VERSION_UNKNOWN 2580 || cts->transport_version == XPORT_VERSION_UNSPECIFIED) 2581 cts->transport_version = device->transport_version; 2582 2583 if (cts->transport != device->transport) { 2584 xpt_print(path, "Uninitialized Transport %x:%x?\n", 2585 cts->transport, device->transport); 2586 cts->transport = device->transport; 2587 } 2588 2589 if (cts->transport_version > device->transport_version) { 2590 if (bootverbose) { 2591 xpt_print(path, "Down reving Transport " 2592 "Version from %d to %d?\n", cts->transport_version, 2593 device->transport_version); 2594 } 2595 cts->transport_version = device->transport_version; 2596 } 2597 2598 /* 2599 * Nothing more of interest to do unless 2600 * this is a device connected via the 2601 * SCSI protocol. 2602 */ 2603 if (cts->protocol != PROTO_SCSI) { 2604 if (async_update == FALSE) 2605 xpt_action_default((union ccb *)cts); 2606 return; 2607 } 2608 2609 inq_data = &device->inq_data; 2610 scsi = &cts->proto_specific.scsi; 2611 xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NONE); 2612 cpi.ccb_h.func_code = XPT_PATH_INQ; 2613 xpt_action((union ccb *)&cpi); 2614 2615 /* SCSI specific sanity checking */ 2616 if ((cpi.hba_inquiry & PI_TAG_ABLE) == 0 2617 || (INQ_DATA_TQ_ENABLED(inq_data)) == 0 2618 || (device->queue_flags & SCP_QUEUE_DQUE) != 0 2619 || (device->mintags == 0)) { 2620 /* 2621 * Can't tag on hardware that doesn't support tags, 2622 * doesn't have it enabled, or has broken tag support. 2623 */ 2624 scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB; 2625 } 2626 2627 if (async_update == FALSE) { 2628 /* 2629 * Perform sanity checking against what the 2630 * controller and device can do. 2631 */ 2632 xpt_setup_ccb(&cur_cts.ccb_h, path, CAM_PRIORITY_NONE); 2633 cur_cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 2634 cur_cts.type = cts->type; 2635 xpt_action((union ccb *)&cur_cts); 2636 if (cam_ccb_status((union ccb *)&cur_cts) != CAM_REQ_CMP) { 2637 return; 2638 } 2639 cur_scsi = &cur_cts.proto_specific.scsi; 2640 if ((scsi->valid & CTS_SCSI_VALID_TQ) == 0) { 2641 scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB; 2642 scsi->flags |= cur_scsi->flags & CTS_SCSI_FLAGS_TAG_ENB; 2643 } 2644 if ((cur_scsi->valid & CTS_SCSI_VALID_TQ) == 0) 2645 scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB; 2646 } 2647 2648 /* SPI specific sanity checking */ 2649 if (cts->transport == XPORT_SPI && async_update == FALSE) { 2650 u_int spi3caps; 2651 struct ccb_trans_settings_spi *spi; 2652 struct ccb_trans_settings_spi *cur_spi; 2653 2654 spi = &cts->xport_specific.spi; 2655 2656 cur_spi = &cur_cts.xport_specific.spi; 2657 2658 /* Fill in any gaps in what the user gave us */ 2659 if ((spi->valid & CTS_SPI_VALID_SYNC_RATE) == 0) 2660 spi->sync_period = cur_spi->sync_period; 2661 if ((cur_spi->valid & CTS_SPI_VALID_SYNC_RATE) == 0) 2662 spi->sync_period = 0; 2663 if ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) == 0) 2664 spi->sync_offset = cur_spi->sync_offset; 2665 if ((cur_spi->valid & CTS_SPI_VALID_SYNC_OFFSET) == 0) 2666 spi->sync_offset = 0; 2667 if ((spi->valid & CTS_SPI_VALID_PPR_OPTIONS) == 0) 2668 spi->ppr_options = cur_spi->ppr_options; 2669 if ((cur_spi->valid & CTS_SPI_VALID_PPR_OPTIONS) == 0) 2670 spi->ppr_options = 0; 2671 if ((spi->valid & CTS_SPI_VALID_BUS_WIDTH) == 0) 2672 spi->bus_width = cur_spi->bus_width; 2673 if ((cur_spi->valid & CTS_SPI_VALID_BUS_WIDTH) == 0) 2674 spi->bus_width = 0; 2675 if ((spi->valid & CTS_SPI_VALID_DISC) == 0) { 2676 spi->flags &= ~CTS_SPI_FLAGS_DISC_ENB; 2677 spi->flags |= cur_spi->flags & CTS_SPI_FLAGS_DISC_ENB; 2678 } 2679 if ((cur_spi->valid & CTS_SPI_VALID_DISC) == 0) 2680 spi->flags &= ~CTS_SPI_FLAGS_DISC_ENB; 2681 if (((device->flags & CAM_DEV_INQUIRY_DATA_VALID) != 0 2682 && (inq_data->flags & SID_Sync) == 0 2683 && cts->type == CTS_TYPE_CURRENT_SETTINGS) 2684 || ((cpi.hba_inquiry & PI_SDTR_ABLE) == 0)) { 2685 /* Force async */ 2686 spi->sync_period = 0; 2687 spi->sync_offset = 0; 2688 } 2689 2690 switch (spi->bus_width) { 2691 case MSG_EXT_WDTR_BUS_32_BIT: 2692 if (((device->flags & CAM_DEV_INQUIRY_DATA_VALID) == 0 2693 || (inq_data->flags & SID_WBus32) != 0 2694 || cts->type == CTS_TYPE_USER_SETTINGS) 2695 && (cpi.hba_inquiry & PI_WIDE_32) != 0) 2696 break; 2697 /* Fall Through to 16-bit */ 2698 case MSG_EXT_WDTR_BUS_16_BIT: 2699 if (((device->flags & CAM_DEV_INQUIRY_DATA_VALID) == 0 2700 || (inq_data->flags & SID_WBus16) != 0 2701 || cts->type == CTS_TYPE_USER_SETTINGS) 2702 && (cpi.hba_inquiry & PI_WIDE_16) != 0) { 2703 spi->bus_width = MSG_EXT_WDTR_BUS_16_BIT; 2704 break; 2705 } 2706 /* Fall Through to 8-bit */ 2707 default: /* New bus width?? */ 2708 case MSG_EXT_WDTR_BUS_8_BIT: 2709 /* All targets can do this */ 2710 spi->bus_width = MSG_EXT_WDTR_BUS_8_BIT; 2711 break; 2712 } 2713 2714 spi3caps = cpi.xport_specific.spi.ppr_options; 2715 if ((device->flags & CAM_DEV_INQUIRY_DATA_VALID) != 0 2716 && cts->type == CTS_TYPE_CURRENT_SETTINGS) 2717 spi3caps &= inq_data->spi3data; 2718 2719 if ((spi3caps & SID_SPI_CLOCK_DT) == 0) 2720 spi->ppr_options &= ~MSG_EXT_PPR_DT_REQ; 2721 2722 if ((spi3caps & SID_SPI_IUS) == 0) 2723 spi->ppr_options &= ~MSG_EXT_PPR_IU_REQ; 2724 2725 if ((spi3caps & SID_SPI_QAS) == 0) 2726 spi->ppr_options &= ~MSG_EXT_PPR_QAS_REQ; 2727 2728 /* No SPI Transfer settings are allowed unless we are wide */ 2729 if (spi->bus_width == 0) 2730 spi->ppr_options = 0; 2731 2732 if ((spi->valid & CTS_SPI_VALID_DISC) 2733 && ((spi->flags & CTS_SPI_FLAGS_DISC_ENB) == 0)) { 2734 /* 2735 * Can't tag queue without disconnection. 2736 */ 2737 scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB; 2738 scsi->valid |= CTS_SCSI_VALID_TQ; 2739 } 2740 2741 /* 2742 * If we are currently performing tagged transactions to 2743 * this device and want to change its negotiation parameters, 2744 * go non-tagged for a bit to give the controller a chance to 2745 * negotiate unhampered by tag messages. 2746 */ 2747 if (cts->type == CTS_TYPE_CURRENT_SETTINGS 2748 && (device->inq_flags & SID_CmdQue) != 0 2749 && (scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0 2750 && (spi->flags & (CTS_SPI_VALID_SYNC_RATE| 2751 CTS_SPI_VALID_SYNC_OFFSET| 2752 CTS_SPI_VALID_BUS_WIDTH)) != 0) 2753 scsi_toggle_tags(path); 2754 } 2755 2756 if (cts->type == CTS_TYPE_CURRENT_SETTINGS 2757 && (scsi->valid & CTS_SCSI_VALID_TQ) != 0) { 2758 int device_tagenb; 2759 2760 /* 2761 * If we are transitioning from tags to no-tags or 2762 * vice-versa, we need to carefully freeze and restart 2763 * the queue so that we don't overlap tagged and non-tagged 2764 * commands. We also temporarily stop tags if there is 2765 * a change in transfer negotiation settings to allow 2766 * "tag-less" negotiation. 2767 */ 2768 if ((device->flags & CAM_DEV_TAG_AFTER_COUNT) != 0 2769 || (device->inq_flags & SID_CmdQue) != 0) 2770 device_tagenb = TRUE; 2771 else 2772 device_tagenb = FALSE; 2773 2774 if (((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0 2775 && device_tagenb == FALSE) 2776 || ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) == 0 2777 && device_tagenb == TRUE)) { 2778 2779 if ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0) { 2780 /* 2781 * Delay change to use tags until after a 2782 * few commands have gone to this device so 2783 * the controller has time to perform transfer 2784 * negotiations without tagged messages getting 2785 * in the way. 2786 */ 2787 device->tag_delay_count = CAM_TAG_DELAY_COUNT; 2788 device->flags |= CAM_DEV_TAG_AFTER_COUNT; 2789 } else { 2790 xpt_stop_tags(path); 2791 } 2792 } 2793 } 2794 if (async_update == FALSE) 2795 xpt_action_default((union ccb *)cts); 2796} 2797 2798static void 2799scsi_toggle_tags(struct cam_path *path) 2800{ 2801 struct cam_ed *dev; 2802 2803 /* 2804 * Give controllers a chance to renegotiate 2805 * before starting tag operations. We 2806 * "toggle" tagged queuing off then on 2807 * which causes the tag enable command delay 2808 * counter to come into effect. 2809 */ 2810 dev = path->device; 2811 if ((dev->flags & CAM_DEV_TAG_AFTER_COUNT) != 0 2812 || ((dev->inq_flags & SID_CmdQue) != 0 2813 && (dev->inq_flags & (SID_Sync|SID_WBus16|SID_WBus32)) != 0)) { 2814 struct ccb_trans_settings cts; 2815 2816 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 2817 cts.protocol = PROTO_SCSI; 2818 cts.protocol_version = PROTO_VERSION_UNSPECIFIED; 2819 cts.transport = XPORT_UNSPECIFIED; 2820 cts.transport_version = XPORT_VERSION_UNSPECIFIED; 2821 cts.proto_specific.scsi.flags = 0; 2822 cts.proto_specific.scsi.valid = CTS_SCSI_VALID_TQ; 2823 scsi_set_transfer_settings(&cts, path, 2824 /*async_update*/TRUE); 2825 cts.proto_specific.scsi.flags = CTS_SCSI_FLAGS_TAG_ENB; 2826 scsi_set_transfer_settings(&cts, path, 2827 /*async_update*/TRUE); 2828 } 2829} 2830 2831/* 2832 * Handle any per-device event notifications that require action by the XPT. 2833 */ 2834static void 2835scsi_dev_async(u_int32_t async_code, struct cam_eb *bus, struct cam_et *target, 2836 struct cam_ed *device, void *async_arg) 2837{ 2838 cam_status status; 2839 struct cam_path newpath; 2840 2841 /* 2842 * We only need to handle events for real devices. 2843 */ 2844 if (target->target_id == CAM_TARGET_WILDCARD 2845 || device->lun_id == CAM_LUN_WILDCARD) 2846 return; 2847 2848 /* 2849 * We need our own path with wildcards expanded to 2850 * handle certain types of events. 2851 */ 2852 if ((async_code == AC_SENT_BDR) 2853 || (async_code == AC_BUS_RESET) 2854 || (async_code == AC_INQ_CHANGED)) 2855 status = xpt_compile_path(&newpath, NULL, 2856 bus->path_id, 2857 target->target_id, 2858 device->lun_id); 2859 else 2860 status = CAM_REQ_CMP_ERR; 2861 2862 if (status == CAM_REQ_CMP) { 2863 2864 /* 2865 * Allow transfer negotiation to occur in a 2866 * tag free environment and after settle delay. 2867 */ 2868 if (async_code == AC_SENT_BDR 2869 || async_code == AC_BUS_RESET) { 2870 cam_freeze_devq(&newpath); 2871 cam_release_devq(&newpath, 2872 RELSIM_RELEASE_AFTER_TIMEOUT, 2873 /*reduction*/0, 2874 /*timeout*/scsi_delay, 2875 /*getcount_only*/0); 2876 scsi_toggle_tags(&newpath); 2877 } 2878 2879 if (async_code == AC_INQ_CHANGED) { 2880 /* 2881 * We've sent a start unit command, or 2882 * something similar to a device that 2883 * may have caused its inquiry data to 2884 * change. So we re-scan the device to 2885 * refresh the inquiry data for it. 2886 */ 2887 scsi_scan_lun(newpath.periph, &newpath, 2888 CAM_EXPECT_INQ_CHANGE, NULL); 2889 } 2890 xpt_release_path(&newpath); 2891 } else if (async_code == AC_LOST_DEVICE && 2892 (device->flags & CAM_DEV_UNCONFIGURED) == 0) { 2893 device->flags |= CAM_DEV_UNCONFIGURED; 2894 xpt_release_device(device); 2895 } else if (async_code == AC_TRANSFER_NEG) { 2896 struct ccb_trans_settings *settings; 2897 struct cam_path path; 2898 2899 settings = (struct ccb_trans_settings *)async_arg; 2900 xpt_compile_path(&path, NULL, bus->path_id, target->target_id, 2901 device->lun_id); 2902 scsi_set_transfer_settings(settings, &path, 2903 /*async_update*/TRUE); 2904 xpt_release_path(&path); 2905 } 2906} 2907 2908static void 2909scsi_announce_periph(struct cam_periph *periph) 2910{ 2911 struct ccb_pathinq cpi; 2912 struct ccb_trans_settings cts; 2913 struct cam_path *path = periph->path; 2914 u_int speed; 2915 u_int freq; 2916 u_int mb; 2917 2918 cam_periph_assert(periph, MA_OWNED); 2919 2920 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NORMAL); 2921 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 2922 cts.type = CTS_TYPE_CURRENT_SETTINGS; 2923 xpt_action((union ccb*)&cts); 2924 if (cam_ccb_status((union ccb *)&cts) != CAM_REQ_CMP) 2925 return; 2926 /* Ask the SIM for its base transfer speed */ 2927 xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NORMAL); 2928 cpi.ccb_h.func_code = XPT_PATH_INQ; 2929 xpt_action((union ccb *)&cpi); 2930 /* Report connection speed */ 2931 speed = cpi.base_transfer_speed; 2932 freq = 0; 2933 if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_SPI) { 2934 struct ccb_trans_settings_spi *spi = 2935 &cts.xport_specific.spi; 2936 2937 if ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) != 0 2938 && spi->sync_offset != 0) { 2939 freq = scsi_calc_syncsrate(spi->sync_period); 2940 speed = freq; 2941 } 2942 if ((spi->valid & CTS_SPI_VALID_BUS_WIDTH) != 0) 2943 speed *= (0x01 << spi->bus_width); 2944 } 2945 if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_FC) { 2946 struct ccb_trans_settings_fc *fc = 2947 &cts.xport_specific.fc; 2948 2949 if (fc->valid & CTS_FC_VALID_SPEED) 2950 speed = fc->bitrate; 2951 } 2952 if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_SAS) { 2953 struct ccb_trans_settings_sas *sas = 2954 &cts.xport_specific.sas; 2955 2956 if (sas->valid & CTS_SAS_VALID_SPEED) 2957 speed = sas->bitrate; 2958 } 2959 mb = speed / 1000; 2960 if (mb > 0) 2961 printf("%s%d: %d.%03dMB/s transfers", 2962 periph->periph_name, periph->unit_number, 2963 mb, speed % 1000); 2964 else 2965 printf("%s%d: %dKB/s transfers", periph->periph_name, 2966 periph->unit_number, speed); 2967 /* Report additional information about SPI connections */ 2968 if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_SPI) { 2969 struct ccb_trans_settings_spi *spi; 2970 2971 spi = &cts.xport_specific.spi; 2972 if (freq != 0) { 2973 printf(" (%d.%03dMHz%s, offset %d", freq / 1000, 2974 freq % 1000, 2975 (spi->ppr_options & MSG_EXT_PPR_DT_REQ) != 0 2976 ? " DT" : "", 2977 spi->sync_offset); 2978 } 2979 if ((spi->valid & CTS_SPI_VALID_BUS_WIDTH) != 0 2980 && spi->bus_width > 0) { 2981 if (freq != 0) { 2982 printf(", "); 2983 } else { 2984 printf(" ("); 2985 } 2986 printf("%dbit)", 8 * (0x01 << spi->bus_width)); 2987 } else if (freq != 0) { 2988 printf(")"); 2989 } 2990 } 2991 if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_FC) { 2992 struct ccb_trans_settings_fc *fc; 2993 2994 fc = &cts.xport_specific.fc; 2995 if (fc->valid & CTS_FC_VALID_WWNN) 2996 printf(" WWNN 0x%llx", (long long) fc->wwnn); 2997 if (fc->valid & CTS_FC_VALID_WWPN) 2998 printf(" WWPN 0x%llx", (long long) fc->wwpn); 2999 if (fc->valid & CTS_FC_VALID_PORT) 3000 printf(" PortID 0x%x", fc->port); 3001 } 3002 printf("\n"); 3003} 3004 3005