scsi_xpt.c revision 236613
1/*- 2 * Implementation of the SCSI Transport 3 * 4 * Copyright (c) 1997, 1998, 1999 Justin T. Gibbs. 5 * Copyright (c) 1997, 1998, 1999 Kenneth D. Merry. 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions, and the following disclaimer, 13 * without modification, immediately at the beginning of the file. 14 * 2. The name of the author may not be used to endorse or promote products 15 * derived from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 21 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 */ 29 30#include <sys/cdefs.h> 31__FBSDID("$FreeBSD: head/sys/cam/scsi/scsi_xpt.c 236613 2012-06-05 11:48:32Z 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/* 104 * If we're not quirked to search <= the first 8 luns 105 * and we are either quirked to search above lun 8, 106 * or we're > SCSI-2 and we've enabled hilun searching, 107 * or we're > SCSI-2 and the last lun was a success, 108 * we can look for luns above lun 8. 109 */ 110#define CAN_SRCH_HI_SPARSE(dv) \ 111 (((SCSI_QUIRK(dv)->quirks & CAM_QUIRK_NOHILUNS) == 0) \ 112 && ((SCSI_QUIRK(dv)->quirks & CAM_QUIRK_HILUNS) \ 113 || (SID_ANSI_REV(&dv->inq_data) > SCSI_REV_2 && cam_srch_hi))) 114 115#define CAN_SRCH_HI_DENSE(dv) \ 116 (((SCSI_QUIRK(dv)->quirks & CAM_QUIRK_NOHILUNS) == 0) \ 117 && ((SCSI_QUIRK(dv)->quirks & CAM_QUIRK_HILUNS) \ 118 || (SID_ANSI_REV(&dv->inq_data) > SCSI_REV_2))) 119 120static periph_init_t probe_periph_init; 121 122static struct periph_driver probe_driver = 123{ 124 probe_periph_init, "probe", 125 TAILQ_HEAD_INITIALIZER(probe_driver.units), /* generation */ 0, 126 CAM_PERIPH_DRV_EARLY 127}; 128 129PERIPHDRIVER_DECLARE(probe, probe_driver); 130 131typedef enum { 132 PROBE_TUR, 133 PROBE_INQUIRY, /* this counts as DV0 for Basic Domain Validation */ 134 PROBE_FULL_INQUIRY, 135 PROBE_REPORT_LUNS, 136 PROBE_MODE_SENSE, 137 PROBE_SUPPORTED_VPD_LIST, 138 PROBE_DEVICE_ID, 139 PROBE_SERIAL_NUM, 140 PROBE_TUR_FOR_NEGOTIATION, 141 PROBE_INQUIRY_BASIC_DV1, 142 PROBE_INQUIRY_BASIC_DV2, 143 PROBE_DV_EXIT, 144 PROBE_DONE, 145 PROBE_INVALID 146} probe_action; 147 148static char *probe_action_text[] = { 149 "PROBE_TUR", 150 "PROBE_INQUIRY", 151 "PROBE_FULL_INQUIRY", 152 "PROBE_REPORT_LUNS", 153 "PROBE_MODE_SENSE", 154 "PROBE_SUPPORTED_VPD_LIST", 155 "PROBE_DEVICE_ID", 156 "PROBE_SERIAL_NUM", 157 "PROBE_TUR_FOR_NEGOTIATION", 158 "PROBE_INQUIRY_BASIC_DV1", 159 "PROBE_INQUIRY_BASIC_DV2", 160 "PROBE_DV_EXIT", 161 "PROBE_DONE", 162 "PROBE_INVALID" 163}; 164 165#define PROBE_SET_ACTION(softc, newaction) \ 166do { \ 167 char **text; \ 168 text = probe_action_text; \ 169 CAM_DEBUG((softc)->periph->path, CAM_DEBUG_PROBE, \ 170 ("Probe %s to %s\n", text[(softc)->action], \ 171 text[(newaction)])); \ 172 (softc)->action = (newaction); \ 173} while(0) 174 175typedef enum { 176 PROBE_INQUIRY_CKSUM = 0x01, 177 PROBE_SERIAL_CKSUM = 0x02, 178 PROBE_NO_ANNOUNCE = 0x04 179} probe_flags; 180 181typedef struct { 182 TAILQ_HEAD(, ccb_hdr) request_ccbs; 183 probe_action action; 184 union ccb saved_ccb; 185 probe_flags flags; 186 MD5_CTX context; 187 u_int8_t digest[16]; 188 struct cam_periph *periph; 189} probe_softc; 190 191static const char quantum[] = "QUANTUM"; 192static const char sony[] = "SONY"; 193static const char west_digital[] = "WDIGTL"; 194static const char samsung[] = "SAMSUNG"; 195static const char seagate[] = "SEAGATE"; 196static const char microp[] = "MICROP"; 197 198static struct scsi_quirk_entry scsi_quirk_table[] = 199{ 200 { 201 /* Reports QUEUE FULL for temporary resource shortages */ 202 { T_DIRECT, SIP_MEDIA_FIXED, quantum, "XP39100*", "*" }, 203 /*quirks*/0, /*mintags*/24, /*maxtags*/32 204 }, 205 { 206 /* Reports QUEUE FULL for temporary resource shortages */ 207 { T_DIRECT, SIP_MEDIA_FIXED, quantum, "XP34550*", "*" }, 208 /*quirks*/0, /*mintags*/24, /*maxtags*/32 209 }, 210 { 211 /* Reports QUEUE FULL for temporary resource shortages */ 212 { T_DIRECT, SIP_MEDIA_FIXED, quantum, "XP32275*", "*" }, 213 /*quirks*/0, /*mintags*/24, /*maxtags*/32 214 }, 215 { 216 /* Broken tagged queuing drive */ 217 { T_DIRECT, SIP_MEDIA_FIXED, microp, "4421-07*", "*" }, 218 /*quirks*/0, /*mintags*/0, /*maxtags*/0 219 }, 220 { 221 /* Broken tagged queuing drive */ 222 { T_DIRECT, SIP_MEDIA_FIXED, "HP", "C372*", "*" }, 223 /*quirks*/0, /*mintags*/0, /*maxtags*/0 224 }, 225 { 226 /* Broken tagged queuing drive */ 227 { T_DIRECT, SIP_MEDIA_FIXED, microp, "3391*", "x43h" }, 228 /*quirks*/0, /*mintags*/0, /*maxtags*/0 229 }, 230 { 231 /* 232 * Unfortunately, the Quantum Atlas III has the same 233 * problem as the Atlas II drives above. 234 * Reported by: "Johan Granlund" <johan@granlund.nu> 235 * 236 * For future reference, the drive with the problem was: 237 * QUANTUM QM39100TD-SW N1B0 238 * 239 * It's possible that Quantum will fix the problem in later 240 * firmware revisions. If that happens, the quirk entry 241 * will need to be made specific to the firmware revisions 242 * with the problem. 243 * 244 */ 245 /* Reports QUEUE FULL for temporary resource shortages */ 246 { T_DIRECT, SIP_MEDIA_FIXED, quantum, "QM39100*", "*" }, 247 /*quirks*/0, /*mintags*/24, /*maxtags*/32 248 }, 249 { 250 /* 251 * 18 Gig Atlas III, same problem as the 9G version. 252 * Reported by: Andre Albsmeier 253 * <andre.albsmeier@mchp.siemens.de> 254 * 255 * For future reference, the drive with the problem was: 256 * QUANTUM QM318000TD-S N491 257 */ 258 /* Reports QUEUE FULL for temporary resource shortages */ 259 { T_DIRECT, SIP_MEDIA_FIXED, quantum, "QM318000*", "*" }, 260 /*quirks*/0, /*mintags*/24, /*maxtags*/32 261 }, 262 { 263 /* 264 * Broken tagged queuing drive 265 * Reported by: Bret Ford <bford@uop.cs.uop.edu> 266 * and: Martin Renters <martin@tdc.on.ca> 267 */ 268 { T_DIRECT, SIP_MEDIA_FIXED, seagate, "ST410800*", "71*" }, 269 /*quirks*/0, /*mintags*/0, /*maxtags*/0 270 }, 271 /* 272 * The Seagate Medalist Pro drives have very poor write 273 * performance with anything more than 2 tags. 274 * 275 * Reported by: Paul van der Zwan <paulz@trantor.xs4all.nl> 276 * Drive: <SEAGATE ST36530N 1444> 277 * 278 * Reported by: Jeremy Lea <reg@shale.csir.co.za> 279 * Drive: <SEAGATE ST34520W 1281> 280 * 281 * No one has actually reported that the 9G version 282 * (ST39140*) of the Medalist Pro has the same problem, but 283 * we're assuming that it does because the 4G and 6.5G 284 * versions of the drive are broken. 285 */ 286 { 287 { T_DIRECT, SIP_MEDIA_FIXED, seagate, "ST34520*", "*"}, 288 /*quirks*/0, /*mintags*/2, /*maxtags*/2 289 }, 290 { 291 { T_DIRECT, SIP_MEDIA_FIXED, seagate, "ST36530*", "*"}, 292 /*quirks*/0, /*mintags*/2, /*maxtags*/2 293 }, 294 { 295 { T_DIRECT, SIP_MEDIA_FIXED, seagate, "ST39140*", "*"}, 296 /*quirks*/0, /*mintags*/2, /*maxtags*/2 297 }, 298 { 299 /* 300 * Experiences command timeouts under load with a 301 * tag count higher than 55. 302 */ 303 { T_DIRECT, SIP_MEDIA_FIXED, seagate, "ST3146855LW", "*"}, 304 /*quirks*/0, /*mintags*/2, /*maxtags*/55 305 }, 306 { 307 /* 308 * Slow when tagged queueing is enabled. Write performance 309 * steadily drops off with more and more concurrent 310 * transactions. Best sequential write performance with 311 * tagged queueing turned off and write caching turned on. 312 * 313 * PR: kern/10398 314 * Submitted by: Hideaki Okada <hokada@isl.melco.co.jp> 315 * Drive: DCAS-34330 w/ "S65A" firmware. 316 * 317 * The drive with the problem had the "S65A" firmware 318 * revision, and has also been reported (by Stephen J. 319 * Roznowski <sjr@home.net>) for a drive with the "S61A" 320 * firmware revision. 321 * 322 * Although no one has reported problems with the 2 gig 323 * version of the DCAS drive, the assumption is that it 324 * has the same problems as the 4 gig version. Therefore 325 * this quirk entries disables tagged queueing for all 326 * DCAS drives. 327 */ 328 { T_DIRECT, SIP_MEDIA_FIXED, "IBM", "DCAS*", "*" }, 329 /*quirks*/0, /*mintags*/0, /*maxtags*/0 330 }, 331 { 332 /* Broken tagged queuing drive */ 333 { T_DIRECT, SIP_MEDIA_REMOVABLE, "iomega", "jaz*", "*" }, 334 /*quirks*/0, /*mintags*/0, /*maxtags*/0 335 }, 336 { 337 /* Broken tagged queuing drive */ 338 { T_DIRECT, SIP_MEDIA_FIXED, "CONNER", "CFP2107*", "*" }, 339 /*quirks*/0, /*mintags*/0, /*maxtags*/0 340 }, 341 { 342 /* This does not support other than LUN 0 */ 343 { T_DIRECT, SIP_MEDIA_FIXED, "VMware*", "*", "*" }, 344 CAM_QUIRK_NOLUNS, /*mintags*/2, /*maxtags*/255 345 }, 346 { 347 /* 348 * Broken tagged queuing drive. 349 * Submitted by: 350 * NAKAJI Hiroyuki <nakaji@zeisei.dpri.kyoto-u.ac.jp> 351 * in PR kern/9535 352 */ 353 { T_DIRECT, SIP_MEDIA_FIXED, samsung, "WN34324U*", "*" }, 354 /*quirks*/0, /*mintags*/0, /*maxtags*/0 355 }, 356 { 357 /* 358 * Slow when tagged queueing is enabled. (1.5MB/sec versus 359 * 8MB/sec.) 360 * Submitted by: Andrew Gallatin <gallatin@cs.duke.edu> 361 * Best performance with these drives is achieved with 362 * tagged queueing turned off, and write caching turned on. 363 */ 364 { T_DIRECT, SIP_MEDIA_FIXED, west_digital, "WDE*", "*" }, 365 /*quirks*/0, /*mintags*/0, /*maxtags*/0 366 }, 367 { 368 /* 369 * Slow when tagged queueing is enabled. (1.5MB/sec versus 370 * 8MB/sec.) 371 * Submitted by: Andrew Gallatin <gallatin@cs.duke.edu> 372 * Best performance with these drives is achieved with 373 * tagged queueing turned off, and write caching turned on. 374 */ 375 { T_DIRECT, SIP_MEDIA_FIXED, west_digital, "ENTERPRISE", "*" }, 376 /*quirks*/0, /*mintags*/0, /*maxtags*/0 377 }, 378 { 379 /* 380 * Doesn't handle queue full condition correctly, 381 * so we need to limit maxtags to what the device 382 * can handle instead of determining this automatically. 383 */ 384 { T_DIRECT, SIP_MEDIA_FIXED, samsung, "WN321010S*", "*" }, 385 /*quirks*/0, /*mintags*/2, /*maxtags*/32 386 }, 387 { 388 /* Really only one LUN */ 389 { T_ENCLOSURE, SIP_MEDIA_FIXED, "SUN", "SENA", "*" }, 390 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 391 }, 392 { 393 /* I can't believe we need a quirk for DPT volumes. */ 394 { T_ANY, SIP_MEDIA_FIXED|SIP_MEDIA_REMOVABLE, "DPT", "*", "*" }, 395 CAM_QUIRK_NOLUNS, 396 /*mintags*/0, /*maxtags*/255 397 }, 398 { 399 /* 400 * Many Sony CDROM drives don't like multi-LUN probing. 401 */ 402 { T_CDROM, SIP_MEDIA_REMOVABLE, sony, "CD-ROM CDU*", "*" }, 403 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 404 }, 405 { 406 /* 407 * This drive doesn't like multiple LUN probing. 408 * Submitted by: Parag Patel <parag@cgt.com> 409 */ 410 { T_WORM, SIP_MEDIA_REMOVABLE, sony, "CD-R CDU9*", "*" }, 411 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 412 }, 413 { 414 { T_WORM, SIP_MEDIA_REMOVABLE, "YAMAHA", "CDR100*", "*" }, 415 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 416 }, 417 { 418 /* 419 * The 8200 doesn't like multi-lun probing, and probably 420 * don't like serial number requests either. 421 */ 422 { 423 T_SEQUENTIAL, SIP_MEDIA_REMOVABLE, "EXABYTE", 424 "EXB-8200*", "*" 425 }, 426 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 427 }, 428 { 429 /* 430 * Let's try the same as above, but for a drive that says 431 * it's an IPL-6860 but is actually an EXB 8200. 432 */ 433 { 434 T_SEQUENTIAL, SIP_MEDIA_REMOVABLE, "EXABYTE", 435 "IPL-6860*", "*" 436 }, 437 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 438 }, 439 { 440 /* 441 * These Hitachi drives don't like multi-lun probing. 442 * The PR submitter has a DK319H, but says that the Linux 443 * kernel has a similar work-around for the DK312 and DK314, 444 * so all DK31* drives are quirked here. 445 * PR: misc/18793 446 * Submitted by: Paul Haddad <paul@pth.com> 447 */ 448 { T_DIRECT, SIP_MEDIA_FIXED, "HITACHI", "DK31*", "*" }, 449 CAM_QUIRK_NOLUNS, /*mintags*/2, /*maxtags*/255 450 }, 451 { 452 /* 453 * The Hitachi CJ series with J8A8 firmware apparantly has 454 * problems with tagged commands. 455 * PR: 23536 456 * Reported by: amagai@nue.org 457 */ 458 { T_DIRECT, SIP_MEDIA_FIXED, "HITACHI", "DK32CJ*", "J8A8" }, 459 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 460 }, 461 { 462 /* 463 * These are the large storage arrays. 464 * Submitted by: William Carrel <william.carrel@infospace.com> 465 */ 466 { T_DIRECT, SIP_MEDIA_FIXED, "HITACHI", "OPEN*", "*" }, 467 CAM_QUIRK_HILUNS, 2, 1024 468 }, 469 { 470 /* 471 * This old revision of the TDC3600 is also SCSI-1, and 472 * hangs upon serial number probing. 473 */ 474 { 475 T_SEQUENTIAL, SIP_MEDIA_REMOVABLE, "TANDBERG", 476 " TDC 3600", "U07:" 477 }, 478 CAM_QUIRK_NOVPDS, /*mintags*/0, /*maxtags*/0 479 }, 480 { 481 /* 482 * Would repond to all LUNs if asked for. 483 */ 484 { 485 T_SEQUENTIAL, SIP_MEDIA_REMOVABLE, "CALIPER", 486 "CP150", "*" 487 }, 488 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 489 }, 490 { 491 /* 492 * Would repond to all LUNs if asked for. 493 */ 494 { 495 T_SEQUENTIAL, SIP_MEDIA_REMOVABLE, "KENNEDY", 496 "96X2*", "*" 497 }, 498 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 499 }, 500 { 501 /* Submitted by: Matthew Dodd <winter@jurai.net> */ 502 { T_PROCESSOR, SIP_MEDIA_FIXED, "Cabletrn", "EA41*", "*" }, 503 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 504 }, 505 { 506 /* Submitted by: Matthew Dodd <winter@jurai.net> */ 507 { T_PROCESSOR, SIP_MEDIA_FIXED, "CABLETRN", "EA41*", "*" }, 508 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 509 }, 510 { 511 /* TeraSolutions special settings for TRC-22 RAID */ 512 { T_DIRECT, SIP_MEDIA_FIXED, "TERASOLU", "TRC-22", "*" }, 513 /*quirks*/0, /*mintags*/55, /*maxtags*/255 514 }, 515 { 516 /* Veritas Storage Appliance */ 517 { T_DIRECT, SIP_MEDIA_FIXED, "VERITAS", "*", "*" }, 518 CAM_QUIRK_HILUNS, /*mintags*/2, /*maxtags*/1024 519 }, 520 { 521 /* 522 * Would respond to all LUNs. Device type and removable 523 * flag are jumper-selectable. 524 */ 525 { T_ANY, SIP_MEDIA_REMOVABLE|SIP_MEDIA_FIXED, "MaxOptix", 526 "Tahiti 1", "*" 527 }, 528 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 529 }, 530 { 531 /* EasyRAID E5A aka. areca ARC-6010 */ 532 { T_DIRECT, SIP_MEDIA_FIXED, "easyRAID", "*", "*" }, 533 CAM_QUIRK_NOHILUNS, /*mintags*/2, /*maxtags*/255 534 }, 535 { 536 { T_ENCLOSURE, SIP_MEDIA_FIXED, "DP", "BACKPLANE", "*" }, 537 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 538 }, 539 { 540 { T_DIRECT, SIP_MEDIA_REMOVABLE, "Garmin", "*", "*" }, 541 CAM_QUIRK_NORPTLUNS, /*mintags*/2, /*maxtags*/255 542 }, 543 { 544 /* Default tagged queuing parameters for all devices */ 545 { 546 T_ANY, SIP_MEDIA_REMOVABLE|SIP_MEDIA_FIXED, 547 /*vendor*/"*", /*product*/"*", /*revision*/"*" 548 }, 549 /*quirks*/0, /*mintags*/2, /*maxtags*/255 550 }, 551}; 552 553static const int scsi_quirk_table_size = 554 sizeof(scsi_quirk_table) / sizeof(*scsi_quirk_table); 555 556static cam_status proberegister(struct cam_periph *periph, 557 void *arg); 558static void probeschedule(struct cam_periph *probe_periph); 559static int device_has_vpd(struct cam_ed *device, uint8_t page_id); 560static void probestart(struct cam_periph *periph, union ccb *start_ccb); 561static void proberequestdefaultnegotiation(struct cam_periph *periph); 562static int proberequestbackoff(struct cam_periph *periph, 563 struct cam_ed *device); 564static void probedone(struct cam_periph *periph, union ccb *done_ccb); 565static int probe_strange_rpl_data(struct scsi_report_luns_data *rp, 566 uint32_t maxlun); 567static void probe_purge_old(struct cam_path *path, 568 struct scsi_report_luns_data *new); 569static void probecleanup(struct cam_periph *periph); 570static void scsi_find_quirk(struct cam_ed *device); 571static void scsi_scan_bus(struct cam_periph *periph, union ccb *ccb); 572static void scsi_scan_lun(struct cam_periph *periph, 573 struct cam_path *path, cam_flags flags, 574 union ccb *ccb); 575static void xptscandone(struct cam_periph *periph, union ccb *done_ccb); 576static struct cam_ed * 577 scsi_alloc_device(struct cam_eb *bus, struct cam_et *target, 578 lun_id_t lun_id); 579static void scsi_devise_transport(struct cam_path *path); 580static void scsi_set_transfer_settings(struct ccb_trans_settings *cts, 581 struct cam_ed *device, 582 int async_update); 583static void scsi_toggle_tags(struct cam_path *path); 584static void scsi_dev_async(u_int32_t async_code, 585 struct cam_eb *bus, 586 struct cam_et *target, 587 struct cam_ed *device, 588 void *async_arg); 589static void scsi_action(union ccb *start_ccb); 590static void scsi_announce_periph(struct cam_periph *periph); 591 592static struct xpt_xport scsi_xport = { 593 .alloc_device = scsi_alloc_device, 594 .action = scsi_action, 595 .async = scsi_dev_async, 596 .announce = scsi_announce_periph, 597}; 598 599struct xpt_xport * 600scsi_get_xport(void) 601{ 602 return (&scsi_xport); 603} 604 605static void 606probe_periph_init() 607{ 608} 609 610static cam_status 611proberegister(struct cam_periph *periph, void *arg) 612{ 613 union ccb *request_ccb; /* CCB representing the probe request */ 614 cam_status status; 615 probe_softc *softc; 616 617 request_ccb = (union ccb *)arg; 618 if (periph == NULL) { 619 printf("proberegister: periph was NULL!!\n"); 620 return(CAM_REQ_CMP_ERR); 621 } 622 623 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")); 648 649 /* 650 * Ensure we've waited at least a bus settle 651 * delay before attempting to probe the device. 652 * For HBAs that don't do bus resets, this won't make a difference. 653 */ 654 cam_periph_freeze_after_event(periph, &periph->path->bus->last_reset, 655 scsi_delay); 656 /* 657 * Ensure nobody slip in until probe finish. 658 */ 659 cam_freeze_devq_arg(periph->path, 660 RELSIM_RELEASE_RUNLEVEL, CAM_RL_XPT + 1); 661 probeschedule(periph); 662 return(CAM_REQ_CMP); 663} 664 665static void 666probeschedule(struct cam_periph *periph) 667{ 668 struct ccb_pathinq cpi; 669 union ccb *ccb; 670 probe_softc *softc; 671 672 softc = (probe_softc *)periph->softc; 673 ccb = (union ccb *)TAILQ_FIRST(&softc->request_ccbs); 674 675 xpt_setup_ccb(&cpi.ccb_h, periph->path, CAM_PRIORITY_NONE); 676 cpi.ccb_h.func_code = XPT_PATH_INQ; 677 xpt_action((union ccb *)&cpi); 678 679 /* 680 * If a device has gone away and another device, or the same one, 681 * is back in the same place, it should have a unit attention 682 * condition pending. It will not report the unit attention in 683 * response to an inquiry, which may leave invalid transfer 684 * negotiations in effect. The TUR will reveal the unit attention 685 * condition. Only send the TUR for lun 0, since some devices 686 * will get confused by commands other than inquiry to non-existent 687 * luns. If you think a device has gone away start your scan from 688 * lun 0. This will insure that any bogus transfer settings are 689 * invalidated. 690 * 691 * If we haven't seen the device before and the controller supports 692 * some kind of transfer negotiation, negotiate with the first 693 * sent command if no bus reset was performed at startup. This 694 * ensures that the device is not confused by transfer negotiation 695 * settings left over by loader or BIOS action. 696 */ 697 if (((ccb->ccb_h.path->device->flags & CAM_DEV_UNCONFIGURED) == 0) 698 && (ccb->ccb_h.target_lun == 0)) { 699 PROBE_SET_ACTION(softc, PROBE_TUR); 700 } else if ((cpi.hba_inquiry & (PI_WIDE_32|PI_WIDE_16|PI_SDTR_ABLE)) != 0 701 && (cpi.hba_misc & PIM_NOBUSRESET) != 0) { 702 proberequestdefaultnegotiation(periph); 703 PROBE_SET_ACTION(softc, PROBE_INQUIRY); 704 } else { 705 PROBE_SET_ACTION(softc, PROBE_INQUIRY); 706 } 707 708 if (ccb->crcn.flags & CAM_EXPECT_INQ_CHANGE) 709 softc->flags |= PROBE_NO_ANNOUNCE; 710 else 711 softc->flags &= ~PROBE_NO_ANNOUNCE; 712 713 xpt_schedule(periph, CAM_PRIORITY_XPT); 714} 715 716static int 717device_has_vpd(struct cam_ed *device, uint8_t page_id) 718{ 719 int i, num_pages; 720 struct scsi_vpd_supported_pages *vpds; 721 722 vpds = (struct scsi_vpd_supported_pages *)device->supported_vpds; 723 num_pages = device->supported_vpds_len - SVPD_SUPPORTED_PAGES_HDR_LEN; 724 for (i = 0;i < num_pages;i++) 725 if (vpds->page_list[i] == page_id) 726 return 1; 727 728 return 0; 729} 730 731static void 732probestart(struct cam_periph *periph, union ccb *start_ccb) 733{ 734 /* Probe the device that our peripheral driver points to */ 735 struct ccb_scsiio *csio; 736 probe_softc *softc; 737 738 CAM_DEBUG(start_ccb->ccb_h.path, CAM_DEBUG_TRACE, ("probestart\n")); 739 740 softc = (probe_softc *)periph->softc; 741 csio = &start_ccb->csio; 742again: 743 744 switch (softc->action) { 745 case PROBE_TUR: 746 case PROBE_TUR_FOR_NEGOTIATION: 747 case PROBE_DV_EXIT: 748 { 749 scsi_test_unit_ready(csio, 750 /*retries*/10, 751 probedone, 752 MSG_SIMPLE_Q_TAG, 753 SSD_FULL_SIZE, 754 /*timeout*/60000); 755 break; 756 } 757 case PROBE_INQUIRY: 758 case PROBE_FULL_INQUIRY: 759 case PROBE_INQUIRY_BASIC_DV1: 760 case PROBE_INQUIRY_BASIC_DV2: 761 { 762 u_int inquiry_len; 763 struct scsi_inquiry_data *inq_buf; 764 765 inq_buf = &periph->path->device->inq_data; 766 767 /* 768 * If the device is currently configured, we calculate an 769 * MD5 checksum of the inquiry data, and if the serial number 770 * length is greater than 0, add the serial number data 771 * into the checksum as well. Once the inquiry and the 772 * serial number check finish, we attempt to figure out 773 * whether we still have the same device. 774 */ 775 if ((periph->path->device->flags & CAM_DEV_UNCONFIGURED) == 0) { 776 777 MD5Init(&softc->context); 778 MD5Update(&softc->context, (unsigned char *)inq_buf, 779 sizeof(struct scsi_inquiry_data)); 780 softc->flags |= PROBE_INQUIRY_CKSUM; 781 if (periph->path->device->serial_num_len > 0) { 782 MD5Update(&softc->context, 783 periph->path->device->serial_num, 784 periph->path->device->serial_num_len); 785 softc->flags |= PROBE_SERIAL_CKSUM; 786 } 787 MD5Final(softc->digest, &softc->context); 788 } 789 790 if (softc->action == PROBE_INQUIRY) 791 inquiry_len = SHORT_INQUIRY_LENGTH; 792 else 793 inquiry_len = SID_ADDITIONAL_LENGTH(inq_buf); 794 795 /* 796 * Some parallel SCSI devices fail to send an 797 * ignore wide residue message when dealing with 798 * odd length inquiry requests. Round up to be 799 * safe. 800 */ 801 inquiry_len = roundup2(inquiry_len, 2); 802 803 if (softc->action == PROBE_INQUIRY_BASIC_DV1 804 || softc->action == PROBE_INQUIRY_BASIC_DV2) { 805 inq_buf = malloc(inquiry_len, M_CAMXPT, M_NOWAIT); 806 } 807 if (inq_buf == NULL) { 808 xpt_print(periph->path, "malloc failure- skipping Basic" 809 "Domain Validation\n"); 810 PROBE_SET_ACTION(softc, PROBE_DV_EXIT); 811 scsi_test_unit_ready(csio, 812 /*retries*/4, 813 probedone, 814 MSG_SIMPLE_Q_TAG, 815 SSD_FULL_SIZE, 816 /*timeout*/60000); 817 break; 818 } 819 scsi_inquiry(csio, 820 /*retries*/4, 821 probedone, 822 MSG_SIMPLE_Q_TAG, 823 (u_int8_t *)inq_buf, 824 inquiry_len, 825 /*evpd*/FALSE, 826 /*page_code*/0, 827 SSD_MIN_SIZE, 828 /*timeout*/60 * 1000); 829 break; 830 } 831 case PROBE_REPORT_LUNS: 832 { 833 void *rp; 834 835 rp = malloc(periph->path->target->rpl_size, 836 M_CAMXPT, M_NOWAIT | M_ZERO); 837 if (rp == NULL) { 838 struct scsi_inquiry_data *inq_buf; 839 inq_buf = &periph->path->device->inq_data; 840 xpt_print(periph->path, 841 "Unable to alloc report luns storage\n"); 842 if (INQ_DATA_TQ_ENABLED(inq_buf)) 843 PROBE_SET_ACTION(softc, PROBE_MODE_SENSE); 844 else 845 PROBE_SET_ACTION(softc, 846 PROBE_SUPPORTED_VPD_LIST); 847 goto again; 848 } 849 scsi_report_luns(csio, 5, probedone, MSG_SIMPLE_Q_TAG, 850 RPL_REPORT_DEFAULT, rp, periph->path->target->rpl_size, 851 SSD_FULL_SIZE, 60000); break; 852 break; 853 } 854 case PROBE_MODE_SENSE: 855 { 856 void *mode_buf; 857 int mode_buf_len; 858 859 mode_buf_len = sizeof(struct scsi_mode_header_6) 860 + sizeof(struct scsi_mode_blk_desc) 861 + sizeof(struct scsi_control_page); 862 mode_buf = malloc(mode_buf_len, M_CAMXPT, M_NOWAIT); 863 if (mode_buf != NULL) { 864 scsi_mode_sense(csio, 865 /*retries*/4, 866 probedone, 867 MSG_SIMPLE_Q_TAG, 868 /*dbd*/FALSE, 869 SMS_PAGE_CTRL_CURRENT, 870 SMS_CONTROL_MODE_PAGE, 871 mode_buf, 872 mode_buf_len, 873 SSD_FULL_SIZE, 874 /*timeout*/60000); 875 break; 876 } 877 xpt_print(periph->path, "Unable to mode sense control page - " 878 "malloc failure\n"); 879 PROBE_SET_ACTION(softc, PROBE_SUPPORTED_VPD_LIST); 880 } 881 /* FALLTHROUGH */ 882 case PROBE_SUPPORTED_VPD_LIST: 883 { 884 struct scsi_vpd_supported_page_list *vpd_list; 885 struct cam_ed *device; 886 887 vpd_list = NULL; 888 device = periph->path->device; 889 890 if ((SCSI_QUIRK(device)->quirks & CAM_QUIRK_NOVPDS) == 0) 891 vpd_list = malloc(sizeof(*vpd_list), M_CAMXPT, 892 M_NOWAIT | M_ZERO); 893 894 if (vpd_list != NULL) { 895 scsi_inquiry(csio, 896 /*retries*/4, 897 probedone, 898 MSG_SIMPLE_Q_TAG, 899 (u_int8_t *)vpd_list, 900 sizeof(*vpd_list), 901 /*evpd*/TRUE, 902 SVPD_SUPPORTED_PAGE_LIST, 903 SSD_MIN_SIZE, 904 /*timeout*/60 * 1000); 905 break; 906 } 907 /* 908 * We'll have to do without, let our probedone 909 * routine finish up for us. 910 */ 911 start_ccb->csio.data_ptr = NULL; 912 probedone(periph, start_ccb); 913 return; 914 } 915 case PROBE_DEVICE_ID: 916 { 917 struct scsi_vpd_device_id *devid; 918 struct cam_ed *device; 919 920 devid = NULL; 921 device = periph->path->device; 922 if (device_has_vpd(device, SVPD_DEVICE_ID)) 923 devid = malloc(SVPD_DEVICE_ID_MAX_SIZE, M_CAMXPT, 924 M_NOWAIT | M_ZERO); 925 926 if (devid != NULL) { 927 scsi_inquiry(csio, 928 /*retries*/4, 929 probedone, 930 MSG_SIMPLE_Q_TAG, 931 (uint8_t *)devid, 932 SVPD_DEVICE_ID_MAX_SIZE, 933 /*evpd*/TRUE, 934 SVPD_DEVICE_ID, 935 SSD_MIN_SIZE, 936 /*timeout*/60 * 1000); 937 break; 938 } 939 /* 940 * We'll have to do without, let our probedone 941 * routine finish up for us. 942 */ 943 start_ccb->csio.data_ptr = NULL; 944 probedone(periph, start_ccb); 945 return; 946 } 947 case PROBE_SERIAL_NUM: 948 { 949 struct scsi_vpd_unit_serial_number *serial_buf; 950 struct cam_ed* device; 951 952 serial_buf = NULL; 953 device = periph->path->device; 954 if (device->serial_num != NULL) { 955 free(device->serial_num, M_CAMXPT); 956 device->serial_num = NULL; 957 device->serial_num_len = 0; 958 } 959 960 if (device_has_vpd(device, SVPD_UNIT_SERIAL_NUMBER)) 961 serial_buf = (struct scsi_vpd_unit_serial_number *) 962 malloc(sizeof(*serial_buf), M_CAMXPT, 963 M_NOWAIT|M_ZERO); 964 965 if (serial_buf != NULL) { 966 scsi_inquiry(csio, 967 /*retries*/4, 968 probedone, 969 MSG_SIMPLE_Q_TAG, 970 (u_int8_t *)serial_buf, 971 sizeof(*serial_buf), 972 /*evpd*/TRUE, 973 SVPD_UNIT_SERIAL_NUMBER, 974 SSD_MIN_SIZE, 975 /*timeout*/60 * 1000); 976 break; 977 } 978 /* 979 * We'll have to do without, let our probedone 980 * routine finish up for us. 981 */ 982 start_ccb->csio.data_ptr = NULL; 983 probedone(periph, start_ccb); 984 return; 985 } 986 default: 987 panic("probestart: invalid action state 0x%x\n", softc->action); 988 } 989 xpt_action(start_ccb); 990} 991 992static void 993proberequestdefaultnegotiation(struct cam_periph *periph) 994{ 995 struct ccb_trans_settings cts; 996 997 xpt_setup_ccb(&cts.ccb_h, periph->path, CAM_PRIORITY_NONE); 998 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 999 cts.type = CTS_TYPE_USER_SETTINGS; 1000 xpt_action((union ccb *)&cts); 1001 if ((cts.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1002 return; 1003 } 1004 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 1005 cts.type = CTS_TYPE_CURRENT_SETTINGS; 1006 xpt_action((union ccb *)&cts); 1007} 1008 1009/* 1010 * Backoff Negotiation Code- only pertinent for SPI devices. 1011 */ 1012static int 1013proberequestbackoff(struct cam_periph *periph, struct cam_ed *device) 1014{ 1015 struct ccb_trans_settings cts; 1016 struct ccb_trans_settings_spi *spi; 1017 1018 memset(&cts, 0, sizeof (cts)); 1019 xpt_setup_ccb(&cts.ccb_h, periph->path, CAM_PRIORITY_NONE); 1020 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 1021 cts.type = CTS_TYPE_CURRENT_SETTINGS; 1022 xpt_action((union ccb *)&cts); 1023 if ((cts.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1024 if (bootverbose) { 1025 xpt_print(periph->path, 1026 "failed to get current device settings\n"); 1027 } 1028 return (0); 1029 } 1030 if (cts.transport != XPORT_SPI) { 1031 if (bootverbose) { 1032 xpt_print(periph->path, "not SPI transport\n"); 1033 } 1034 return (0); 1035 } 1036 spi = &cts.xport_specific.spi; 1037 1038 /* 1039 * We cannot renegotiate sync rate if we don't have one. 1040 */ 1041 if ((spi->valid & CTS_SPI_VALID_SYNC_RATE) == 0) { 1042 if (bootverbose) { 1043 xpt_print(periph->path, "no sync rate known\n"); 1044 } 1045 return (0); 1046 } 1047 1048 /* 1049 * We'll assert that we don't have to touch PPR options- the 1050 * SIM will see what we do with period and offset and adjust 1051 * the PPR options as appropriate. 1052 */ 1053 1054 /* 1055 * A sync rate with unknown or zero offset is nonsensical. 1056 * A sync period of zero means Async. 1057 */ 1058 if ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) == 0 1059 || spi->sync_offset == 0 || spi->sync_period == 0) { 1060 if (bootverbose) { 1061 xpt_print(periph->path, "no sync rate available\n"); 1062 } 1063 return (0); 1064 } 1065 1066 if (device->flags & CAM_DEV_DV_HIT_BOTTOM) { 1067 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, 1068 ("hit async: giving up on DV\n")); 1069 return (0); 1070 } 1071 1072 1073 /* 1074 * Jump sync_period up by one, but stop at 5MHz and fall back to Async. 1075 * We don't try to remember 'last' settings to see if the SIM actually 1076 * gets into the speed we want to set. We check on the SIM telling 1077 * us that a requested speed is bad, but otherwise don't try and 1078 * check the speed due to the asynchronous and handshake nature 1079 * of speed setting. 1080 */ 1081 spi->valid = CTS_SPI_VALID_SYNC_RATE | CTS_SPI_VALID_SYNC_OFFSET; 1082 for (;;) { 1083 spi->sync_period++; 1084 if (spi->sync_period >= 0xf) { 1085 spi->sync_period = 0; 1086 spi->sync_offset = 0; 1087 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, 1088 ("setting to async for DV\n")); 1089 /* 1090 * Once we hit async, we don't want to try 1091 * any more settings. 1092 */ 1093 device->flags |= CAM_DEV_DV_HIT_BOTTOM; 1094 } else if (bootverbose) { 1095 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, 1096 ("DV: period 0x%x\n", spi->sync_period)); 1097 printf("setting period to 0x%x\n", spi->sync_period); 1098 } 1099 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 1100 cts.type = CTS_TYPE_CURRENT_SETTINGS; 1101 xpt_action((union ccb *)&cts); 1102 if ((cts.ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 1103 break; 1104 } 1105 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, 1106 ("DV: failed to set period 0x%x\n", spi->sync_period)); 1107 if (spi->sync_period == 0) { 1108 return (0); 1109 } 1110 } 1111 return (1); 1112} 1113 1114#define CCB_COMPLETED_OK(ccb) (((ccb).status & CAM_STATUS_MASK) == CAM_REQ_CMP) 1115 1116static void 1117probedone(struct cam_periph *periph, union ccb *done_ccb) 1118{ 1119 probe_softc *softc; 1120 struct cam_path *path; 1121 u_int32_t priority; 1122 1123 CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_TRACE, ("probedone\n")); 1124 1125 softc = (probe_softc *)periph->softc; 1126 path = done_ccb->ccb_h.path; 1127 priority = done_ccb->ccb_h.pinfo.priority; 1128 1129 switch (softc->action) { 1130 case PROBE_TUR: 1131 { 1132 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1133 1134 if (cam_periph_error(done_ccb, 0, 1135 SF_NO_PRINT, NULL) == ERESTART) 1136 return; 1137 else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 1138 /* Don't wedge the queue */ 1139 xpt_release_devq(done_ccb->ccb_h.path, 1140 /*count*/1, 1141 /*run_queue*/TRUE); 1142 } 1143 PROBE_SET_ACTION(softc, PROBE_INQUIRY); 1144 xpt_release_ccb(done_ccb); 1145 xpt_schedule(periph, priority); 1146 return; 1147 } 1148 case PROBE_INQUIRY: 1149 case PROBE_FULL_INQUIRY: 1150 { 1151 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 1152 struct scsi_inquiry_data *inq_buf; 1153 u_int8_t periph_qual; 1154 1155 path->device->flags |= CAM_DEV_INQUIRY_DATA_VALID; 1156 inq_buf = &path->device->inq_data; 1157 1158 periph_qual = SID_QUAL(inq_buf); 1159 1160 if (periph_qual == SID_QUAL_LU_CONNECTED) { 1161 u_int8_t len; 1162 1163 /* 1164 * We conservatively request only 1165 * SHORT_INQUIRY_LEN bytes of inquiry 1166 * information during our first try 1167 * at sending an INQUIRY. If the device 1168 * has more information to give, 1169 * perform a second request specifying 1170 * the amount of information the device 1171 * is willing to give. 1172 */ 1173 len = inq_buf->additional_length 1174 + offsetof(struct scsi_inquiry_data, 1175 additional_length) + 1; 1176 if (softc->action == PROBE_INQUIRY 1177 && len > SHORT_INQUIRY_LENGTH) { 1178 PROBE_SET_ACTION(softc, PROBE_FULL_INQUIRY); 1179 xpt_release_ccb(done_ccb); 1180 xpt_schedule(periph, priority); 1181 return; 1182 } 1183 1184 scsi_find_quirk(path->device); 1185 1186 scsi_devise_transport(path); 1187 1188 if (path->device->lun_id == 0 && 1189 SID_ANSI_REV(inq_buf) > SCSI_REV_SPC2 && 1190 (SCSI_QUIRK(path->device)->quirks & 1191 CAM_QUIRK_NORPTLUNS) == 0) { 1192 PROBE_SET_ACTION(softc, 1193 PROBE_REPORT_LUNS); 1194 /* 1195 * Start with room for *one* lun. 1196 */ 1197 periph->path->target->rpl_size = 16; 1198 } else if (INQ_DATA_TQ_ENABLED(inq_buf)) 1199 PROBE_SET_ACTION(softc, 1200 PROBE_MODE_SENSE); 1201 else 1202 PROBE_SET_ACTION(softc, 1203 PROBE_SUPPORTED_VPD_LIST); 1204 1205 if (path->device->flags & CAM_DEV_UNCONFIGURED) { 1206 path->device->flags &= ~CAM_DEV_UNCONFIGURED; 1207 xpt_acquire_device(path->device); 1208 } 1209 xpt_release_ccb(done_ccb); 1210 xpt_schedule(periph, priority); 1211 return; 1212 } else if (path->device->lun_id == 0 && 1213 SID_ANSI_REV(inq_buf) > SCSI_REV_SPC2 && 1214 (SCSI_QUIRK(path->device)->quirks & 1215 CAM_QUIRK_NORPTLUNS) == 0) { 1216 if (path->device->flags & 1217 CAM_DEV_UNCONFIGURED) { 1218 path->device->flags &= 1219 ~CAM_DEV_UNCONFIGURED; 1220 xpt_acquire_device(path->device); 1221 } 1222 PROBE_SET_ACTION(softc, PROBE_REPORT_LUNS); 1223 periph->path->target->rpl_size = 16; 1224 xpt_release_ccb(done_ccb); 1225 xpt_schedule(periph, priority); 1226 return; 1227 } 1228 } else if (cam_periph_error(done_ccb, 0, 1229 done_ccb->ccb_h.target_lun > 0 1230 ? SF_RETRY_UA|SF_QUIET_IR 1231 : SF_RETRY_UA, 1232 &softc->saved_ccb) == ERESTART) { 1233 return; 1234 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1235 /* Don't wedge the queue */ 1236 xpt_release_devq(done_ccb->ccb_h.path, /*count*/1, 1237 /*run_queue*/TRUE); 1238 } 1239 /* 1240 * If we get to this point, we got an error status back 1241 * from the inquiry and the error status doesn't require 1242 * automatically retrying the command. Therefore, the 1243 * inquiry failed. If we had inquiry information before 1244 * for this device, but this latest inquiry command failed, 1245 * the device has probably gone away. If this device isn't 1246 * already marked unconfigured, notify the peripheral 1247 * drivers that this device is no more. 1248 */ 1249 if ((path->device->flags & CAM_DEV_UNCONFIGURED) == 0) 1250 /* Send the async notification. */ 1251 xpt_async(AC_LOST_DEVICE, path, NULL); 1252 PROBE_SET_ACTION(softc, PROBE_INVALID); 1253 1254 xpt_release_ccb(done_ccb); 1255 break; 1256 } 1257 case PROBE_REPORT_LUNS: 1258 { 1259 struct ccb_scsiio *csio; 1260 struct scsi_report_luns_data *lp; 1261 u_int nlun, maxlun; 1262 1263 csio = &done_ccb->csio; 1264 1265 lp = (struct scsi_report_luns_data *)csio->data_ptr; 1266 nlun = scsi_4btoul(lp->length) / 8; 1267 maxlun = (csio->dxfer_len / 8) - 1; 1268 1269 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1270 if (cam_periph_error(done_ccb, 0, 1271 done_ccb->ccb_h.target_lun > 0 ? 1272 SF_RETRY_UA|SF_QUIET_IR : SF_RETRY_UA, 1273 &softc->saved_ccb) == ERESTART) { 1274 return; 1275 } 1276 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1277 xpt_release_devq(done_ccb->ccb_h.path, 1, 1278 TRUE); 1279 } 1280 free(lp, M_CAMXPT); 1281 lp = NULL; 1282 } else if (nlun > maxlun) { 1283 /* 1284 * Reallocate and retry to cover all luns 1285 */ 1286 CAM_DEBUG(path, CAM_DEBUG_PROBE, 1287 ("Probe: reallocating REPORT_LUNS for %u luns\n", 1288 nlun)); 1289 free(lp, M_CAMXPT); 1290 path->target->rpl_size = (nlun << 3) + 8; 1291 xpt_release_ccb(done_ccb); 1292 xpt_schedule(periph, priority); 1293 return; 1294 } else if (nlun == 0) { 1295 /* 1296 * If there don't appear to be any luns, bail. 1297 */ 1298 free(lp, M_CAMXPT); 1299 lp = NULL; 1300 } else if (probe_strange_rpl_data(lp, maxlun)) { 1301 /* 1302 * If we can't understand the lun format 1303 * of any entry, bail. 1304 */ 1305 free(lp, M_CAMXPT); 1306 lp = NULL; 1307 } else { 1308 lun_id_t lun; 1309 int idx; 1310 1311 CAM_DEBUG(path, CAM_DEBUG_PROBE, 1312 ("Probe: %u lun(s) reported\n", nlun)); 1313 1314 CAM_GET_SIMPLE_LUN(lp, 0, lun); 1315 /* 1316 * If the first lun is not lun 0, then either there 1317 * is no lun 0 in the list, or the list is unsorted. 1318 */ 1319 if (lun != 0) { 1320 for (idx = 0; idx < nlun; idx++) { 1321 CAM_GET_SIMPLE_LUN(lp, idx, lun); 1322 if (lun == 0) { 1323 break; 1324 } 1325 } 1326 if (idx != nlun) { 1327 uint8_t tlun[8]; 1328 memcpy(tlun, 1329 lp->luns[0].lundata, 8); 1330 memcpy(lp->luns[0].lundata, 1331 lp->luns[idx].lundata, 8); 1332 memcpy(lp->luns[idx].lundata, 1333 tlun, 8); 1334 CAM_DEBUG(path, CAM_DEBUG_PROBE, 1335 ("lun 0 in position %u\n", idx)); 1336 } else { 1337 /* 1338 * There is no lun 0 in our list. Destroy 1339 * the validity of the inquiry data so we 1340 * bail here and now. 1341 */ 1342 path->device->flags &= 1343 ~CAM_DEV_INQUIRY_DATA_VALID; 1344 } 1345 } 1346 /* 1347 * If we have an old lun list, We can either 1348 * retest luns that appear to have been dropped, 1349 * or just nuke them. We'll opt for the latter. 1350 * This function will also install the new list 1351 * in the target structure. 1352 */ 1353 probe_purge_old(path, lp); 1354 lp = NULL; 1355 } 1356 if (path->device->flags & CAM_DEV_INQUIRY_DATA_VALID) { 1357 struct scsi_inquiry_data *inq_buf; 1358 inq_buf = &path->device->inq_data; 1359 if (INQ_DATA_TQ_ENABLED(inq_buf)) 1360 PROBE_SET_ACTION(softc, PROBE_MODE_SENSE); 1361 else 1362 PROBE_SET_ACTION(softc, 1363 PROBE_SUPPORTED_VPD_LIST); 1364 xpt_release_ccb(done_ccb); 1365 xpt_schedule(periph, priority); 1366 return; 1367 } 1368 if (lp) { 1369 free(lp, M_CAMXPT); 1370 } 1371 break; 1372 } 1373 case PROBE_MODE_SENSE: 1374 { 1375 struct ccb_scsiio *csio; 1376 struct scsi_mode_header_6 *mode_hdr; 1377 1378 csio = &done_ccb->csio; 1379 mode_hdr = (struct scsi_mode_header_6 *)csio->data_ptr; 1380 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 1381 struct scsi_control_page *page; 1382 u_int8_t *offset; 1383 1384 offset = ((u_int8_t *)&mode_hdr[1]) 1385 + mode_hdr->blk_desc_len; 1386 page = (struct scsi_control_page *)offset; 1387 path->device->queue_flags = page->queue_flags; 1388 } else if (cam_periph_error(done_ccb, 0, 1389 SF_RETRY_UA|SF_NO_PRINT, 1390 &softc->saved_ccb) == ERESTART) { 1391 return; 1392 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1393 /* Don't wedge the queue */ 1394 xpt_release_devq(done_ccb->ccb_h.path, 1395 /*count*/1, /*run_queue*/TRUE); 1396 } 1397 xpt_release_ccb(done_ccb); 1398 free(mode_hdr, M_CAMXPT); 1399 PROBE_SET_ACTION(softc, PROBE_SUPPORTED_VPD_LIST); 1400 xpt_schedule(periph, priority); 1401 return; 1402 } 1403 case PROBE_SUPPORTED_VPD_LIST: 1404 { 1405 struct ccb_scsiio *csio; 1406 struct scsi_vpd_supported_page_list *page_list; 1407 1408 csio = &done_ccb->csio; 1409 page_list = 1410 (struct scsi_vpd_supported_page_list *)csio->data_ptr; 1411 1412 if (path->device->supported_vpds != NULL) { 1413 free(path->device->supported_vpds, M_CAMXPT); 1414 path->device->supported_vpds = NULL; 1415 path->device->supported_vpds_len = 0; 1416 } 1417 1418 if (page_list == NULL) { 1419 /* 1420 * Don't process the command as it was never sent 1421 */ 1422 } else if (CCB_COMPLETED_OK(csio->ccb_h)) { 1423 /* Got vpd list */ 1424 path->device->supported_vpds_len = page_list->length + 1425 SVPD_SUPPORTED_PAGES_HDR_LEN; 1426 path->device->supported_vpds = (uint8_t *)page_list; 1427 xpt_release_ccb(done_ccb); 1428 PROBE_SET_ACTION(softc, PROBE_DEVICE_ID); 1429 xpt_schedule(periph, priority); 1430 return; 1431 } else if (cam_periph_error(done_ccb, 0, 1432 SF_RETRY_UA|SF_NO_PRINT, 1433 &softc->saved_ccb) == ERESTART) { 1434 return; 1435 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1436 /* Don't wedge the queue */ 1437 xpt_release_devq(done_ccb->ccb_h.path, /*count*/1, 1438 /*run_queue*/TRUE); 1439 } 1440 1441 if (page_list) 1442 free(page_list, M_CAMXPT); 1443 /* No VPDs available, skip to device check. */ 1444 csio->data_ptr = NULL; 1445 goto probe_device_check; 1446 } 1447 case PROBE_DEVICE_ID: 1448 { 1449 struct scsi_vpd_device_id *devid; 1450 struct ccb_scsiio *csio; 1451 uint32_t length = 0; 1452 1453 csio = &done_ccb->csio; 1454 devid = (struct scsi_vpd_device_id *)csio->data_ptr; 1455 1456 /* Clean up from previous instance of this device */ 1457 if (path->device->device_id != NULL) { 1458 path->device->device_id_len = 0; 1459 free(path->device->device_id, M_CAMXPT); 1460 path->device->device_id = NULL; 1461 } 1462 1463 if (devid == NULL) { 1464 /* Don't process the command as it was never sent */ 1465 } else if (CCB_COMPLETED_OK(csio->ccb_h)) { 1466 length = scsi_2btoul(devid->length); 1467 if (length != 0) { 1468 /* 1469 * NB: device_id_len is actual response 1470 * size, not buffer size. 1471 */ 1472 path->device->device_id_len = length + 1473 SVPD_DEVICE_ID_HDR_LEN; 1474 path->device->device_id = (uint8_t *)devid; 1475 } 1476 } else if (cam_periph_error(done_ccb, 0, 1477 SF_RETRY_UA, 1478 &softc->saved_ccb) == ERESTART) { 1479 return; 1480 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1481 /* Don't wedge the queue */ 1482 xpt_release_devq(done_ccb->ccb_h.path, /*count*/1, 1483 /*run_queue*/TRUE); 1484 } 1485 1486 /* Free the device id space if we don't use it */ 1487 if (devid && length == 0) 1488 free(devid, M_CAMXPT); 1489 xpt_release_ccb(done_ccb); 1490 PROBE_SET_ACTION(softc, PROBE_SERIAL_NUM); 1491 xpt_schedule(periph, priority); 1492 return; 1493 } 1494 1495probe_device_check: 1496 case PROBE_SERIAL_NUM: 1497 { 1498 struct ccb_scsiio *csio; 1499 struct scsi_vpd_unit_serial_number *serial_buf; 1500 u_int32_t priority; 1501 int changed; 1502 int have_serialnum; 1503 1504 changed = 1; 1505 have_serialnum = 0; 1506 csio = &done_ccb->csio; 1507 priority = done_ccb->ccb_h.pinfo.priority; 1508 serial_buf = 1509 (struct scsi_vpd_unit_serial_number *)csio->data_ptr; 1510 1511 if (serial_buf == NULL) { 1512 /* 1513 * Don't process the command as it was never sent 1514 */ 1515 } else if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP 1516 && (serial_buf->length > 0)) { 1517 1518 have_serialnum = 1; 1519 path->device->serial_num = 1520 (u_int8_t *)malloc((serial_buf->length + 1), 1521 M_CAMXPT, M_NOWAIT); 1522 if (path->device->serial_num != NULL) { 1523 memcpy(path->device->serial_num, 1524 serial_buf->serial_num, 1525 serial_buf->length); 1526 path->device->serial_num_len = 1527 serial_buf->length; 1528 path->device->serial_num[serial_buf->length] 1529 = '\0'; 1530 } 1531 } else if (cam_periph_error(done_ccb, 0, 1532 SF_RETRY_UA|SF_NO_PRINT, 1533 &softc->saved_ccb) == ERESTART) { 1534 return; 1535 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1536 /* Don't wedge the queue */ 1537 xpt_release_devq(done_ccb->ccb_h.path, /*count*/1, 1538 /*run_queue*/TRUE); 1539 } 1540 1541 /* 1542 * Let's see if we have seen this device before. 1543 */ 1544 if ((softc->flags & PROBE_INQUIRY_CKSUM) != 0) { 1545 MD5_CTX context; 1546 u_int8_t digest[16]; 1547 1548 MD5Init(&context); 1549 1550 MD5Update(&context, 1551 (unsigned char *)&path->device->inq_data, 1552 sizeof(struct scsi_inquiry_data)); 1553 1554 if (have_serialnum) 1555 MD5Update(&context, serial_buf->serial_num, 1556 serial_buf->length); 1557 1558 MD5Final(digest, &context); 1559 if (bcmp(softc->digest, digest, 16) == 0) 1560 changed = 0; 1561 1562 /* 1563 * XXX Do we need to do a TUR in order to ensure 1564 * that the device really hasn't changed??? 1565 */ 1566 if ((changed != 0) 1567 && ((softc->flags & PROBE_NO_ANNOUNCE) == 0)) 1568 xpt_async(AC_LOST_DEVICE, path, NULL); 1569 } 1570 if (serial_buf != NULL) 1571 free(serial_buf, M_CAMXPT); 1572 1573 if (changed != 0) { 1574 /* 1575 * Now that we have all the necessary 1576 * information to safely perform transfer 1577 * negotiations... Controllers don't perform 1578 * any negotiation or tagged queuing until 1579 * after the first XPT_SET_TRAN_SETTINGS ccb is 1580 * received. So, on a new device, just retrieve 1581 * the user settings, and set them as the current 1582 * settings to set the device up. 1583 */ 1584 proberequestdefaultnegotiation(periph); 1585 xpt_release_ccb(done_ccb); 1586 1587 /* 1588 * Perform a TUR to allow the controller to 1589 * perform any necessary transfer negotiation. 1590 */ 1591 PROBE_SET_ACTION(softc, PROBE_TUR_FOR_NEGOTIATION); 1592 xpt_schedule(periph, priority); 1593 return; 1594 } 1595 xpt_release_ccb(done_ccb); 1596 break; 1597 } 1598 case PROBE_TUR_FOR_NEGOTIATION: 1599 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1600 DELAY(500000); 1601 if (cam_periph_error(done_ccb, 0, SF_RETRY_UA, 1602 NULL) == ERESTART) 1603 return; 1604 } 1605 /* FALLTHROUGH */ 1606 case PROBE_DV_EXIT: 1607 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1608 /* Don't wedge the queue */ 1609 xpt_release_devq(done_ccb->ccb_h.path, /*count*/1, 1610 /*run_queue*/TRUE); 1611 } 1612 /* 1613 * Do Domain Validation for lun 0 on devices that claim 1614 * to support Synchronous Transfer modes. 1615 */ 1616 if (softc->action == PROBE_TUR_FOR_NEGOTIATION 1617 && done_ccb->ccb_h.target_lun == 0 1618 && (path->device->inq_data.flags & SID_Sync) != 0 1619 && (path->device->flags & CAM_DEV_IN_DV) == 0) { 1620 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, 1621 ("Begin Domain Validation\n")); 1622 path->device->flags |= CAM_DEV_IN_DV; 1623 xpt_release_ccb(done_ccb); 1624 PROBE_SET_ACTION(softc, PROBE_INQUIRY_BASIC_DV1); 1625 xpt_schedule(periph, priority); 1626 return; 1627 } 1628 if (softc->action == PROBE_DV_EXIT) { 1629 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, 1630 ("Leave Domain Validation\n")); 1631 } 1632 if (path->device->flags & CAM_DEV_UNCONFIGURED) { 1633 path->device->flags &= ~CAM_DEV_UNCONFIGURED; 1634 xpt_acquire_device(path->device); 1635 } 1636 path->device->flags &= 1637 ~(CAM_DEV_IN_DV|CAM_DEV_DV_HIT_BOTTOM); 1638 if ((softc->flags & PROBE_NO_ANNOUNCE) == 0) { 1639 /* Inform the XPT that a new device has been found */ 1640 done_ccb->ccb_h.func_code = XPT_GDEV_TYPE; 1641 xpt_action(done_ccb); 1642 xpt_async(AC_FOUND_DEVICE, done_ccb->ccb_h.path, 1643 done_ccb); 1644 } 1645 PROBE_SET_ACTION(softc, PROBE_DONE); 1646 xpt_release_ccb(done_ccb); 1647 break; 1648 case PROBE_INQUIRY_BASIC_DV1: 1649 case PROBE_INQUIRY_BASIC_DV2: 1650 { 1651 struct scsi_inquiry_data *nbuf; 1652 struct ccb_scsiio *csio; 1653 1654 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1655 /* Don't wedge the queue */ 1656 xpt_release_devq(done_ccb->ccb_h.path, /*count*/1, 1657 /*run_queue*/TRUE); 1658 } 1659 csio = &done_ccb->csio; 1660 nbuf = (struct scsi_inquiry_data *)csio->data_ptr; 1661 if (bcmp(nbuf, &path->device->inq_data, SHORT_INQUIRY_LENGTH)) { 1662 xpt_print(path, 1663 "inquiry data fails comparison at DV%d step\n", 1664 softc->action == PROBE_INQUIRY_BASIC_DV1 ? 1 : 2); 1665 if (proberequestbackoff(periph, path->device)) { 1666 path->device->flags &= ~CAM_DEV_IN_DV; 1667 PROBE_SET_ACTION(softc, PROBE_TUR_FOR_NEGOTIATION); 1668 } else { 1669 /* give up */ 1670 PROBE_SET_ACTION(softc, PROBE_DV_EXIT); 1671 } 1672 free(nbuf, M_CAMXPT); 1673 xpt_release_ccb(done_ccb); 1674 xpt_schedule(periph, priority); 1675 return; 1676 } 1677 free(nbuf, M_CAMXPT); 1678 if (softc->action == PROBE_INQUIRY_BASIC_DV1) { 1679 PROBE_SET_ACTION(softc, PROBE_INQUIRY_BASIC_DV2); 1680 xpt_release_ccb(done_ccb); 1681 xpt_schedule(periph, priority); 1682 return; 1683 } 1684 if (softc->action == PROBE_INQUIRY_BASIC_DV2) { 1685 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, 1686 ("Leave Domain Validation Successfully\n")); 1687 } 1688 if (path->device->flags & CAM_DEV_UNCONFIGURED) { 1689 path->device->flags &= ~CAM_DEV_UNCONFIGURED; 1690 xpt_acquire_device(path->device); 1691 } 1692 path->device->flags &= 1693 ~(CAM_DEV_IN_DV|CAM_DEV_DV_HIT_BOTTOM); 1694 if ((softc->flags & PROBE_NO_ANNOUNCE) == 0) { 1695 /* Inform the XPT that a new device has been found */ 1696 done_ccb->ccb_h.func_code = XPT_GDEV_TYPE; 1697 xpt_action(done_ccb); 1698 xpt_async(AC_FOUND_DEVICE, done_ccb->ccb_h.path, 1699 done_ccb); 1700 } 1701 PROBE_SET_ACTION(softc, PROBE_DONE); 1702 xpt_release_ccb(done_ccb); 1703 break; 1704 } 1705 default: 1706 panic("probedone: invalid action state 0x%x\n", softc->action); 1707 } 1708 done_ccb = (union ccb *)TAILQ_FIRST(&softc->request_ccbs); 1709 TAILQ_REMOVE(&softc->request_ccbs, &done_ccb->ccb_h, periph_links.tqe); 1710 done_ccb->ccb_h.status = CAM_REQ_CMP; 1711 xpt_done(done_ccb); 1712 if (TAILQ_FIRST(&softc->request_ccbs) == NULL) { 1713 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, ("Probe completed\n")); 1714 cam_periph_invalidate(periph); 1715 cam_release_devq(periph->path, 1716 RELSIM_RELEASE_RUNLEVEL, 0, CAM_RL_XPT + 1, FALSE); 1717 cam_periph_release_locked(periph); 1718 } else { 1719 probeschedule(periph); 1720 } 1721} 1722 1723static int 1724probe_strange_rpl_data(struct scsi_report_luns_data *rp, uint32_t maxlun) 1725{ 1726 uint32_t idx; 1727 uint32_t nlun = MIN(maxlun, (scsi_4btoul(rp->length) / 8)); 1728 1729 for (idx = 0; idx < nlun; idx++) { 1730 if (!CAM_CAN_GET_SIMPLE_LUN(rp, idx)) { 1731 return (-1); 1732 } 1733 } 1734 return (0); 1735} 1736 1737static void 1738probe_purge_old(struct cam_path *path, struct scsi_report_luns_data *new) 1739{ 1740 struct cam_path *tp; 1741 struct scsi_report_luns_data *old; 1742 u_int idx1, idx2, nlun_old, nlun_new, this_lun; 1743 u_int8_t *ol, *nl; 1744 1745 if (path->target == NULL) { 1746 return; 1747 } 1748 if (path->target->luns == NULL) { 1749 path->target->luns = new; 1750 return; 1751 } 1752 old = path->target->luns; 1753 nlun_old = scsi_4btoul(old->length) / 8; 1754 nlun_new = scsi_4btoul(new->length) / 8; 1755 1756 /* 1757 * We are not going to assume sorted lists. Deal. 1758 */ 1759 for (idx1 = 0; idx1 < nlun_old; idx1++) { 1760 ol = old->luns[idx1].lundata; 1761 for (idx2 = 0; idx2 < nlun_new; idx2++) { 1762 nl = new->luns[idx2].lundata; 1763 if (memcmp(nl, ol, 8) == 0) { 1764 break; 1765 } 1766 } 1767 if (idx2 < nlun_new) { 1768 continue; 1769 } 1770 /* 1771 * An 'old' item not in the 'new' list. 1772 * Nuke it. Except that if it is lun 0, 1773 * that would be what the probe state 1774 * machine is currently working on, 1775 * so we won't do that. 1776 * 1777 * We also cannot nuke it if it is 1778 * not in a lun format we understand. 1779 */ 1780 if (!CAM_CAN_GET_SIMPLE_LUN(old, idx1)) { 1781 continue; 1782 } 1783 CAM_GET_SIMPLE_LUN(old, idx1, this_lun); 1784 if (this_lun == 0) { 1785 continue; 1786 } 1787 if (xpt_create_path(&tp, NULL, xpt_path_path_id(path), 1788 xpt_path_target_id(path), this_lun) == CAM_REQ_CMP) { 1789 xpt_async(AC_LOST_DEVICE, tp, NULL); 1790 xpt_free_path(tp); 1791 } 1792 } 1793 free(old, M_CAMXPT); 1794 path->target->luns = new; 1795} 1796 1797static void 1798probecleanup(struct cam_periph *periph) 1799{ 1800 free(periph->softc, M_CAMXPT); 1801} 1802 1803static void 1804scsi_find_quirk(struct cam_ed *device) 1805{ 1806 struct scsi_quirk_entry *quirk; 1807 caddr_t match; 1808 1809 match = cam_quirkmatch((caddr_t)&device->inq_data, 1810 (caddr_t)scsi_quirk_table, 1811 sizeof(scsi_quirk_table) / 1812 sizeof(*scsi_quirk_table), 1813 sizeof(*scsi_quirk_table), scsi_inquiry_match); 1814 1815 if (match == NULL) 1816 panic("xpt_find_quirk: device didn't match wildcard entry!!"); 1817 1818 quirk = (struct scsi_quirk_entry *)match; 1819 device->quirk = quirk; 1820 device->mintags = quirk->mintags; 1821 device->maxtags = quirk->maxtags; 1822} 1823 1824static int 1825sysctl_cam_search_luns(SYSCTL_HANDLER_ARGS) 1826{ 1827 int error, val; 1828 1829 val = cam_srch_hi; 1830 error = sysctl_handle_int(oidp, &val, 0, req); 1831 if (error != 0 || req->newptr == NULL) 1832 return (error); 1833 if (val == 0 || val == 1) { 1834 cam_srch_hi = val; 1835 return (0); 1836 } else { 1837 return (EINVAL); 1838 } 1839} 1840 1841typedef struct { 1842 union ccb *request_ccb; 1843 struct ccb_pathinq *cpi; 1844 int counter; 1845 int lunindex[0]; 1846} scsi_scan_bus_info; 1847 1848/* 1849 * To start a scan, request_ccb is an XPT_SCAN_BUS ccb. 1850 * As the scan progresses, scsi_scan_bus is used as the 1851 * callback on completion function. 1852 */ 1853static void 1854scsi_scan_bus(struct cam_periph *periph, union ccb *request_ccb) 1855{ 1856 CAM_DEBUG(request_ccb->ccb_h.path, CAM_DEBUG_TRACE, 1857 ("scsi_scan_bus\n")); 1858 switch (request_ccb->ccb_h.func_code) { 1859 case XPT_SCAN_BUS: 1860 case XPT_SCAN_TGT: 1861 { 1862 scsi_scan_bus_info *scan_info; 1863 union ccb *work_ccb, *reset_ccb; 1864 struct cam_path *path; 1865 u_int i; 1866 u_int low_target, max_target; 1867 u_int initiator_id; 1868 1869 /* Find out the characteristics of the bus */ 1870 work_ccb = xpt_alloc_ccb_nowait(); 1871 if (work_ccb == NULL) { 1872 request_ccb->ccb_h.status = CAM_RESRC_UNAVAIL; 1873 xpt_done(request_ccb); 1874 return; 1875 } 1876 xpt_setup_ccb(&work_ccb->ccb_h, request_ccb->ccb_h.path, 1877 request_ccb->ccb_h.pinfo.priority); 1878 work_ccb->ccb_h.func_code = XPT_PATH_INQ; 1879 xpt_action(work_ccb); 1880 if (work_ccb->ccb_h.status != CAM_REQ_CMP) { 1881 request_ccb->ccb_h.status = work_ccb->ccb_h.status; 1882 xpt_free_ccb(work_ccb); 1883 xpt_done(request_ccb); 1884 return; 1885 } 1886 1887 if ((work_ccb->cpi.hba_misc & PIM_NOINITIATOR) != 0) { 1888 /* 1889 * Can't scan the bus on an adapter that 1890 * cannot perform the initiator role. 1891 */ 1892 request_ccb->ccb_h.status = CAM_REQ_CMP; 1893 xpt_free_ccb(work_ccb); 1894 xpt_done(request_ccb); 1895 return; 1896 } 1897 1898 /* We may need to reset bus first, if we haven't done it yet. */ 1899 if ((work_ccb->cpi.hba_inquiry & 1900 (PI_WIDE_32|PI_WIDE_16|PI_SDTR_ABLE)) && 1901 !(work_ccb->cpi.hba_misc & PIM_NOBUSRESET) && 1902 !timevalisset(&request_ccb->ccb_h.path->bus->last_reset)) { 1903 reset_ccb = xpt_alloc_ccb_nowait(); 1904 xpt_setup_ccb(&reset_ccb->ccb_h, request_ccb->ccb_h.path, 1905 CAM_PRIORITY_NONE); 1906 reset_ccb->ccb_h.func_code = XPT_RESET_BUS; 1907 xpt_action(reset_ccb); 1908 if (reset_ccb->ccb_h.status != CAM_REQ_CMP) { 1909 request_ccb->ccb_h.status = reset_ccb->ccb_h.status; 1910 xpt_free_ccb(reset_ccb); 1911 xpt_free_ccb(work_ccb); 1912 xpt_done(request_ccb); 1913 return; 1914 } 1915 xpt_free_ccb(reset_ccb); 1916 } 1917 1918 /* Save some state for use while we probe for devices */ 1919 scan_info = (scsi_scan_bus_info *) malloc(sizeof(scsi_scan_bus_info) + 1920 (work_ccb->cpi.max_target * sizeof (u_int)), M_CAMXPT, M_ZERO|M_NOWAIT); 1921 if (scan_info == NULL) { 1922 request_ccb->ccb_h.status = CAM_RESRC_UNAVAIL; 1923 xpt_done(request_ccb); 1924 return; 1925 } 1926 CAM_DEBUG(request_ccb->ccb_h.path, CAM_DEBUG_TRACE, 1927 ("SCAN start for %p\n", scan_info)); 1928 scan_info->request_ccb = request_ccb; 1929 scan_info->cpi = &work_ccb->cpi; 1930 1931 /* Cache on our stack so we can work asynchronously */ 1932 max_target = scan_info->cpi->max_target; 1933 low_target = 0; 1934 initiator_id = scan_info->cpi->initiator_id; 1935 1936 1937 /* 1938 * We can scan all targets in parallel, or do it sequentially. 1939 */ 1940 1941 if (request_ccb->ccb_h.func_code == XPT_SCAN_TGT) { 1942 max_target = low_target = request_ccb->ccb_h.target_id; 1943 scan_info->counter = 0; 1944 } else if (scan_info->cpi->hba_misc & PIM_SEQSCAN) { 1945 max_target = 0; 1946 scan_info->counter = 0; 1947 } else { 1948 scan_info->counter = scan_info->cpi->max_target + 1; 1949 if (scan_info->cpi->initiator_id < scan_info->counter) { 1950 scan_info->counter--; 1951 } 1952 } 1953 1954 for (i = low_target; i <= max_target; i++) { 1955 cam_status status; 1956 if (i == initiator_id) 1957 continue; 1958 1959 status = xpt_create_path(&path, xpt_periph, 1960 request_ccb->ccb_h.path_id, 1961 i, 0); 1962 if (status != CAM_REQ_CMP) { 1963 printf("scsi_scan_bus: xpt_create_path failed" 1964 " with status %#x, bus scan halted\n", 1965 status); 1966 free(scan_info, M_CAMXPT); 1967 request_ccb->ccb_h.status = status; 1968 xpt_free_ccb(work_ccb); 1969 xpt_done(request_ccb); 1970 break; 1971 } 1972 work_ccb = xpt_alloc_ccb_nowait(); 1973 if (work_ccb == NULL) { 1974 xpt_free_ccb((union ccb *)scan_info->cpi); 1975 free(scan_info, M_CAMXPT); 1976 xpt_free_path(path); 1977 request_ccb->ccb_h.status = CAM_RESRC_UNAVAIL; 1978 xpt_done(request_ccb); 1979 break; 1980 } 1981 xpt_setup_ccb(&work_ccb->ccb_h, path, 1982 request_ccb->ccb_h.pinfo.priority); 1983 work_ccb->ccb_h.func_code = XPT_SCAN_LUN; 1984 work_ccb->ccb_h.cbfcnp = scsi_scan_bus; 1985 work_ccb->ccb_h.ppriv_ptr0 = scan_info; 1986 work_ccb->crcn.flags = request_ccb->crcn.flags; 1987 xpt_action(work_ccb); 1988 } 1989 break; 1990 } 1991 case XPT_SCAN_LUN: 1992 { 1993 cam_status status; 1994 struct cam_path *path, *oldpath; 1995 scsi_scan_bus_info *scan_info; 1996 struct cam_et *target; 1997 struct cam_ed *device; 1998 int next_target; 1999 path_id_t path_id; 2000 target_id_t target_id; 2001 lun_id_t lun_id; 2002 2003 oldpath = request_ccb->ccb_h.path; 2004 2005 status = request_ccb->ccb_h.status & CAM_STATUS_MASK; 2006 /* Reuse the same CCB to query if a device was really found */ 2007 scan_info = (scsi_scan_bus_info *)request_ccb->ccb_h.ppriv_ptr0; 2008 xpt_setup_ccb(&request_ccb->ccb_h, request_ccb->ccb_h.path, 2009 request_ccb->ccb_h.pinfo.priority); 2010 request_ccb->ccb_h.func_code = XPT_GDEV_TYPE; 2011 2012 2013 path_id = request_ccb->ccb_h.path_id; 2014 target_id = request_ccb->ccb_h.target_id; 2015 lun_id = request_ccb->ccb_h.target_lun; 2016 xpt_action(request_ccb); 2017 2018 target = request_ccb->ccb_h.path->target; 2019 next_target = 1; 2020 2021 if (target->luns) { 2022 uint32_t first; 2023 u_int nluns = scsi_4btoul(target->luns->length) / 8; 2024 2025 /* 2026 * Make sure we skip over lun 0 if it's the first member 2027 * of the list as we've actually just finished probing 2028 * it. 2029 */ 2030 CAM_GET_SIMPLE_LUN(target->luns, 0, first); 2031 if (first == 0 && scan_info->lunindex[target_id] == 0) { 2032 scan_info->lunindex[target_id]++; 2033 } 2034 2035 if (scan_info->lunindex[target_id] < nluns) { 2036 CAM_GET_SIMPLE_LUN(target->luns, 2037 scan_info->lunindex[target_id], lun_id); 2038 next_target = 0; 2039 CAM_DEBUG(request_ccb->ccb_h.path, 2040 CAM_DEBUG_PROBE, 2041 ("next lun to try at index %u is %u\n", 2042 scan_info->lunindex[target_id], lun_id)); 2043 scan_info->lunindex[target_id]++; 2044 } else { 2045 /* 2046 * We're done with scanning all luns. 2047 * 2048 * Nuke the bogus device for lun 0 if lun 0 2049 * wasn't on the list. 2050 */ 2051 if (first != 0) { 2052 TAILQ_FOREACH(device, 2053 &target->ed_entries, links) { 2054 if (device->lun_id == 0) { 2055 break; 2056 } 2057 } 2058 if (device) { 2059 xpt_release_device(device); 2060 } 2061 } 2062 } 2063 } else if (request_ccb->ccb_h.status != CAM_REQ_CMP) { 2064 int phl; 2065 2066 /* 2067 * If we already probed lun 0 successfully, or 2068 * we have additional configured luns on this 2069 * target that might have "gone away", go onto 2070 * the next lun. 2071 */ 2072 /* 2073 * We may touch devices that we don't 2074 * hold references too, so ensure they 2075 * don't disappear out from under us. 2076 * The target above is referenced by the 2077 * path in the request ccb. 2078 */ 2079 phl = 0; 2080 device = TAILQ_FIRST(&target->ed_entries); 2081 if (device != NULL) { 2082 phl = CAN_SRCH_HI_SPARSE(device); 2083 if (device->lun_id == 0) 2084 device = TAILQ_NEXT(device, links); 2085 } 2086 if ((lun_id != 0) || (device != NULL)) { 2087 if (lun_id < (CAM_SCSI2_MAXLUN-1) || phl) { 2088 lun_id++; 2089 next_target = 0; 2090 } 2091 } 2092 if (lun_id == request_ccb->ccb_h.target_lun 2093 || lun_id > scan_info->cpi->max_lun) 2094 next_target = 1; 2095 } else { 2096 2097 device = request_ccb->ccb_h.path->device; 2098 2099 if ((SCSI_QUIRK(device)->quirks & 2100 CAM_QUIRK_NOLUNS) == 0) { 2101 /* Try the next lun */ 2102 if (lun_id < (CAM_SCSI2_MAXLUN-1) 2103 || CAN_SRCH_HI_DENSE(device)) { 2104 lun_id++; 2105 next_target = 0; 2106 } 2107 } 2108 if (lun_id == request_ccb->ccb_h.target_lun 2109 || lun_id > scan_info->cpi->max_lun) 2110 next_target = 1; 2111 } 2112 2113 /* 2114 * Check to see if we scan any further luns. 2115 */ 2116 if (next_target) { 2117 int done; 2118 2119 /* 2120 * Free the current request path- we're done with it. 2121 */ 2122 xpt_free_path(oldpath); 2123 hop_again: 2124 done = 0; 2125 if (scan_info->request_ccb->ccb_h.func_code == XPT_SCAN_TGT) { 2126 done = 1; 2127 } else if (scan_info->cpi->hba_misc & PIM_SEQSCAN) { 2128 scan_info->counter++; 2129 if (scan_info->counter == 2130 scan_info->cpi->initiator_id) { 2131 scan_info->counter++; 2132 } 2133 if (scan_info->counter >= 2134 scan_info->cpi->max_target+1) { 2135 done = 1; 2136 } 2137 } else { 2138 scan_info->counter--; 2139 if (scan_info->counter == 0) { 2140 done = 1; 2141 } 2142 } 2143 if (done) { 2144 xpt_free_ccb(request_ccb); 2145 xpt_free_ccb((union ccb *)scan_info->cpi); 2146 request_ccb = scan_info->request_ccb; 2147 CAM_DEBUG(request_ccb->ccb_h.path, 2148 CAM_DEBUG_TRACE, 2149 ("SCAN done for %p\n", scan_info)); 2150 free(scan_info, M_CAMXPT); 2151 request_ccb->ccb_h.status = CAM_REQ_CMP; 2152 xpt_done(request_ccb); 2153 break; 2154 } 2155 2156 if ((scan_info->cpi->hba_misc & PIM_SEQSCAN) == 0) { 2157 xpt_free_ccb(request_ccb); 2158 break; 2159 } 2160 status = xpt_create_path(&path, xpt_periph, 2161 scan_info->request_ccb->ccb_h.path_id, 2162 scan_info->counter, 0); 2163 if (status != CAM_REQ_CMP) { 2164 printf("scsi_scan_bus: xpt_create_path failed" 2165 " with status %#x, bus scan halted\n", 2166 status); 2167 xpt_free_ccb(request_ccb); 2168 xpt_free_ccb((union ccb *)scan_info->cpi); 2169 request_ccb = scan_info->request_ccb; 2170 free(scan_info, M_CAMXPT); 2171 request_ccb->ccb_h.status = status; 2172 xpt_done(request_ccb); 2173 break; 2174 } 2175 xpt_setup_ccb(&request_ccb->ccb_h, path, 2176 request_ccb->ccb_h.pinfo.priority); 2177 request_ccb->ccb_h.func_code = XPT_SCAN_LUN; 2178 request_ccb->ccb_h.cbfcnp = scsi_scan_bus; 2179 request_ccb->ccb_h.ppriv_ptr0 = scan_info; 2180 request_ccb->crcn.flags = 2181 scan_info->request_ccb->crcn.flags; 2182 } else { 2183 status = xpt_create_path(&path, xpt_periph, 2184 path_id, target_id, lun_id); 2185 /* 2186 * Free the old request path- we're done with it. We 2187 * do this *after* creating the new path so that 2188 * we don't remove a target that has our lun list 2189 * in the case that lun 0 is not present. 2190 */ 2191 xpt_free_path(oldpath); 2192 if (status != CAM_REQ_CMP) { 2193 printf("scsi_scan_bus: xpt_create_path failed " 2194 "with status %#x, halting LUN scan\n", 2195 status); 2196 goto hop_again; 2197 } 2198 xpt_setup_ccb(&request_ccb->ccb_h, path, 2199 request_ccb->ccb_h.pinfo.priority); 2200 request_ccb->ccb_h.func_code = XPT_SCAN_LUN; 2201 request_ccb->ccb_h.cbfcnp = scsi_scan_bus; 2202 request_ccb->ccb_h.ppriv_ptr0 = scan_info; 2203 request_ccb->crcn.flags = 2204 scan_info->request_ccb->crcn.flags; 2205 } 2206 xpt_action(request_ccb); 2207 break; 2208 } 2209 default: 2210 break; 2211 } 2212} 2213 2214static void 2215scsi_scan_lun(struct cam_periph *periph, struct cam_path *path, 2216 cam_flags flags, union ccb *request_ccb) 2217{ 2218 struct ccb_pathinq cpi; 2219 cam_status status; 2220 struct cam_path *new_path; 2221 struct cam_periph *old_periph; 2222 2223 CAM_DEBUG(path, CAM_DEBUG_TRACE, ("scsi_scan_lun\n")); 2224 2225 xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NONE); 2226 cpi.ccb_h.func_code = XPT_PATH_INQ; 2227 xpt_action((union ccb *)&cpi); 2228 2229 if (cpi.ccb_h.status != CAM_REQ_CMP) { 2230 if (request_ccb != NULL) { 2231 request_ccb->ccb_h.status = cpi.ccb_h.status; 2232 xpt_done(request_ccb); 2233 } 2234 return; 2235 } 2236 2237 if ((cpi.hba_misc & PIM_NOINITIATOR) != 0) { 2238 /* 2239 * Can't scan the bus on an adapter that 2240 * cannot perform the initiator role. 2241 */ 2242 if (request_ccb != NULL) { 2243 request_ccb->ccb_h.status = CAM_REQ_CMP; 2244 xpt_done(request_ccb); 2245 } 2246 return; 2247 } 2248 2249 if (request_ccb == NULL) { 2250 request_ccb = malloc(sizeof(union ccb), M_CAMXPT, M_NOWAIT); 2251 if (request_ccb == NULL) { 2252 xpt_print(path, "scsi_scan_lun: can't allocate CCB, " 2253 "can't continue\n"); 2254 return; 2255 } 2256 new_path = malloc(sizeof(*new_path), M_CAMXPT, M_NOWAIT); 2257 if (new_path == NULL) { 2258 xpt_print(path, "scsi_scan_lun: can't allocate path, " 2259 "can't continue\n"); 2260 free(request_ccb, M_CAMXPT); 2261 return; 2262 } 2263 status = xpt_compile_path(new_path, xpt_periph, 2264 path->bus->path_id, 2265 path->target->target_id, 2266 path->device->lun_id); 2267 2268 if (status != CAM_REQ_CMP) { 2269 xpt_print(path, "scsi_scan_lun: can't compile path, " 2270 "can't continue\n"); 2271 free(request_ccb, M_CAMXPT); 2272 free(new_path, M_CAMXPT); 2273 return; 2274 } 2275 xpt_setup_ccb(&request_ccb->ccb_h, new_path, CAM_PRIORITY_XPT); 2276 request_ccb->ccb_h.cbfcnp = xptscandone; 2277 request_ccb->ccb_h.func_code = XPT_SCAN_LUN; 2278 request_ccb->crcn.flags = flags; 2279 } 2280 2281 if ((old_periph = cam_periph_find(path, "probe")) != NULL) { 2282 if ((old_periph->flags & CAM_PERIPH_INVALID) == 0) { 2283 probe_softc *softc; 2284 2285 softc = (probe_softc *)old_periph->softc; 2286 TAILQ_INSERT_TAIL(&softc->request_ccbs, 2287 &request_ccb->ccb_h, periph_links.tqe); 2288 } else { 2289 request_ccb->ccb_h.status = CAM_REQ_CMP_ERR; 2290 xpt_done(request_ccb); 2291 } 2292 } else { 2293 status = cam_periph_alloc(proberegister, NULL, probecleanup, 2294 probestart, "probe", 2295 CAM_PERIPH_BIO, 2296 request_ccb->ccb_h.path, NULL, 0, 2297 request_ccb); 2298 2299 if (status != CAM_REQ_CMP) { 2300 xpt_print(path, "scsi_scan_lun: cam_alloc_periph " 2301 "returned an error, can't continue probe\n"); 2302 request_ccb->ccb_h.status = status; 2303 xpt_done(request_ccb); 2304 } 2305 } 2306} 2307 2308static void 2309xptscandone(struct cam_periph *periph, union ccb *done_ccb) 2310{ 2311 xpt_release_path(done_ccb->ccb_h.path); 2312 free(done_ccb->ccb_h.path, M_CAMXPT); 2313 free(done_ccb, M_CAMXPT); 2314} 2315 2316static struct cam_ed * 2317scsi_alloc_device(struct cam_eb *bus, struct cam_et *target, lun_id_t lun_id) 2318{ 2319 struct cam_path path; 2320 struct scsi_quirk_entry *quirk; 2321 struct cam_ed *device; 2322 struct cam_ed *cur_device; 2323 2324 device = xpt_alloc_device(bus, target, lun_id); 2325 if (device == NULL) 2326 return (NULL); 2327 2328 /* 2329 * Take the default quirk entry until we have inquiry 2330 * data and can determine a better quirk to use. 2331 */ 2332 quirk = &scsi_quirk_table[scsi_quirk_table_size - 1]; 2333 device->quirk = (void *)quirk; 2334 device->mintags = quirk->mintags; 2335 device->maxtags = quirk->maxtags; 2336 bzero(&device->inq_data, sizeof(device->inq_data)); 2337 device->inq_flags = 0; 2338 device->queue_flags = 0; 2339 device->serial_num = NULL; 2340 device->serial_num_len = 0; 2341 device->device_id = NULL; 2342 device->device_id_len = 0; 2343 device->supported_vpds = NULL; 2344 device->supported_vpds_len = 0; 2345 2346 /* 2347 * XXX should be limited by number of CCBs this bus can 2348 * do. 2349 */ 2350 bus->sim->max_ccbs += device->ccbq.devq_openings; 2351 /* Insertion sort into our target's device list */ 2352 cur_device = TAILQ_FIRST(&target->ed_entries); 2353 while (cur_device != NULL && cur_device->lun_id < lun_id) 2354 cur_device = TAILQ_NEXT(cur_device, links); 2355 if (cur_device != NULL) { 2356 TAILQ_INSERT_BEFORE(cur_device, device, links); 2357 } else { 2358 TAILQ_INSERT_TAIL(&target->ed_entries, device, links); 2359 } 2360 target->generation++; 2361 if (lun_id != CAM_LUN_WILDCARD) { 2362 xpt_compile_path(&path, 2363 NULL, 2364 bus->path_id, 2365 target->target_id, 2366 lun_id); 2367 scsi_devise_transport(&path); 2368 xpt_release_path(&path); 2369 } 2370 2371 return (device); 2372} 2373 2374static void 2375scsi_devise_transport(struct cam_path *path) 2376{ 2377 struct ccb_pathinq cpi; 2378 struct ccb_trans_settings cts; 2379 struct scsi_inquiry_data *inq_buf; 2380 2381 /* Get transport information from the SIM */ 2382 xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NONE); 2383 cpi.ccb_h.func_code = XPT_PATH_INQ; 2384 xpt_action((union ccb *)&cpi); 2385 2386 inq_buf = NULL; 2387 if ((path->device->flags & CAM_DEV_INQUIRY_DATA_VALID) != 0) 2388 inq_buf = &path->device->inq_data; 2389 path->device->protocol = PROTO_SCSI; 2390 path->device->protocol_version = 2391 inq_buf != NULL ? SID_ANSI_REV(inq_buf) : cpi.protocol_version; 2392 path->device->transport = cpi.transport; 2393 path->device->transport_version = cpi.transport_version; 2394 2395 /* 2396 * Any device not using SPI3 features should 2397 * be considered SPI2 or lower. 2398 */ 2399 if (inq_buf != NULL) { 2400 if (path->device->transport == XPORT_SPI 2401 && (inq_buf->spi3data & SID_SPI_MASK) == 0 2402 && path->device->transport_version > 2) 2403 path->device->transport_version = 2; 2404 } else { 2405 struct cam_ed* otherdev; 2406 2407 for (otherdev = TAILQ_FIRST(&path->target->ed_entries); 2408 otherdev != NULL; 2409 otherdev = TAILQ_NEXT(otherdev, links)) { 2410 if (otherdev != path->device) 2411 break; 2412 } 2413 2414 if (otherdev != NULL) { 2415 /* 2416 * Initially assume the same versioning as 2417 * prior luns for this target. 2418 */ 2419 path->device->protocol_version = 2420 otherdev->protocol_version; 2421 path->device->transport_version = 2422 otherdev->transport_version; 2423 } else { 2424 /* Until we know better, opt for safty */ 2425 path->device->protocol_version = 2; 2426 if (path->device->transport == XPORT_SPI) 2427 path->device->transport_version = 2; 2428 else 2429 path->device->transport_version = 0; 2430 } 2431 } 2432 2433 /* 2434 * XXX 2435 * For a device compliant with SPC-2 we should be able 2436 * to determine the transport version supported by 2437 * scrutinizing the version descriptors in the 2438 * inquiry buffer. 2439 */ 2440 2441 /* Tell the controller what we think */ 2442 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 2443 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 2444 cts.type = CTS_TYPE_CURRENT_SETTINGS; 2445 cts.transport = path->device->transport; 2446 cts.transport_version = path->device->transport_version; 2447 cts.protocol = path->device->protocol; 2448 cts.protocol_version = path->device->protocol_version; 2449 cts.proto_specific.valid = 0; 2450 cts.xport_specific.valid = 0; 2451 xpt_action((union ccb *)&cts); 2452} 2453 2454static void 2455scsi_dev_advinfo(union ccb *start_ccb) 2456{ 2457 struct cam_ed *device; 2458 struct ccb_dev_advinfo *cdai; 2459 off_t amt; 2460 2461 start_ccb->ccb_h.status = CAM_REQ_INVALID; 2462 device = start_ccb->ccb_h.path->device; 2463 cdai = &start_ccb->cdai; 2464 switch(cdai->buftype) { 2465 case CDAI_TYPE_SCSI_DEVID: 2466 if (cdai->flags & CDAI_FLAG_STORE) 2467 return; 2468 cdai->provsiz = device->device_id_len; 2469 if (device->device_id_len == 0) 2470 break; 2471 amt = device->device_id_len; 2472 if (cdai->provsiz > cdai->bufsiz) 2473 amt = cdai->bufsiz; 2474 memcpy(cdai->buf, device->device_id, amt); 2475 break; 2476 case CDAI_TYPE_SERIAL_NUM: 2477 if (cdai->flags & CDAI_FLAG_STORE) 2478 return; 2479 cdai->provsiz = device->serial_num_len; 2480 if (device->serial_num_len == 0) 2481 break; 2482 amt = device->serial_num_len; 2483 if (cdai->provsiz > cdai->bufsiz) 2484 amt = cdai->bufsiz; 2485 memcpy(cdai->buf, device->serial_num, amt); 2486 break; 2487 case CDAI_TYPE_PHYS_PATH: 2488 if (cdai->flags & CDAI_FLAG_STORE) { 2489 if (device->physpath != NULL) { 2490 free(device->physpath, M_CAMXPT); 2491 device->physpath = NULL; 2492 } 2493 device->physpath_len = cdai->bufsiz; 2494 /* Clear existing buffer if zero length */ 2495 if (cdai->bufsiz == 0) 2496 break; 2497 device->physpath = malloc(cdai->bufsiz, M_CAMXPT, M_NOWAIT); 2498 if (device->physpath == NULL) { 2499 start_ccb->ccb_h.status = CAM_REQ_ABORTED; 2500 return; 2501 } 2502 memcpy(device->physpath, cdai->buf, cdai->bufsiz); 2503 } else { 2504 cdai->provsiz = device->physpath_len; 2505 if (device->physpath_len == 0) 2506 break; 2507 amt = device->physpath_len; 2508 if (cdai->provsiz > cdai->bufsiz) 2509 amt = cdai->bufsiz; 2510 memcpy(cdai->buf, device->physpath, amt); 2511 } 2512 break; 2513 case CDAI_TYPE_RCAPLONG: 2514 if (cdai->flags & CDAI_FLAG_STORE) { 2515 if (device->rcap_buf != NULL) { 2516 free(device->rcap_buf, M_CAMXPT); 2517 device->rcap_buf = NULL; 2518 } 2519 2520 device->rcap_len = cdai->bufsiz; 2521 /* Clear existing buffer if zero length */ 2522 if (cdai->bufsiz == 0) 2523 break; 2524 2525 device->rcap_buf = malloc(cdai->bufsiz, M_CAMXPT, 2526 M_NOWAIT); 2527 if (device->rcap_buf == NULL) { 2528 start_ccb->ccb_h.status = CAM_REQ_ABORTED; 2529 return; 2530 } 2531 2532 memcpy(device->rcap_buf, cdai->buf, cdai->bufsiz); 2533 } else { 2534 cdai->provsiz = device->rcap_len; 2535 if (device->rcap_len == 0) 2536 break; 2537 amt = device->rcap_len; 2538 if (cdai->provsiz > cdai->bufsiz) 2539 amt = cdai->bufsiz; 2540 memcpy(cdai->buf, device->rcap_buf, amt); 2541 } 2542 break; 2543 default: 2544 return; 2545 } 2546 start_ccb->ccb_h.status = CAM_REQ_CMP; 2547 2548 if (cdai->flags & CDAI_FLAG_STORE) { 2549 int owned; 2550 2551 owned = mtx_owned(start_ccb->ccb_h.path->bus->sim->mtx); 2552 if (owned == 0) 2553 mtx_lock(start_ccb->ccb_h.path->bus->sim->mtx); 2554 xpt_async(AC_ADVINFO_CHANGED, start_ccb->ccb_h.path, 2555 (void *)(uintptr_t)cdai->buftype); 2556 if (owned == 0) 2557 mtx_unlock(start_ccb->ccb_h.path->bus->sim->mtx); 2558 } 2559} 2560 2561static void 2562scsi_action(union ccb *start_ccb) 2563{ 2564 2565 switch (start_ccb->ccb_h.func_code) { 2566 case XPT_SET_TRAN_SETTINGS: 2567 { 2568 scsi_set_transfer_settings(&start_ccb->cts, 2569 start_ccb->ccb_h.path->device, 2570 /*async_update*/FALSE); 2571 break; 2572 } 2573 case XPT_SCAN_BUS: 2574 case XPT_SCAN_TGT: 2575 scsi_scan_bus(start_ccb->ccb_h.path->periph, start_ccb); 2576 break; 2577 case XPT_SCAN_LUN: 2578 scsi_scan_lun(start_ccb->ccb_h.path->periph, 2579 start_ccb->ccb_h.path, start_ccb->crcn.flags, 2580 start_ccb); 2581 break; 2582 case XPT_GET_TRAN_SETTINGS: 2583 { 2584 struct cam_sim *sim; 2585 2586 sim = start_ccb->ccb_h.path->bus->sim; 2587 (*(sim->sim_action))(sim, start_ccb); 2588 break; 2589 } 2590 case XPT_DEV_ADVINFO: 2591 { 2592 scsi_dev_advinfo(start_ccb); 2593 break; 2594 } 2595 default: 2596 xpt_action_default(start_ccb); 2597 break; 2598 } 2599} 2600 2601static void 2602scsi_set_transfer_settings(struct ccb_trans_settings *cts, struct cam_ed *device, 2603 int async_update) 2604{ 2605 struct ccb_pathinq cpi; 2606 struct ccb_trans_settings cur_cts; 2607 struct ccb_trans_settings_scsi *scsi; 2608 struct ccb_trans_settings_scsi *cur_scsi; 2609 struct cam_sim *sim; 2610 struct scsi_inquiry_data *inq_data; 2611 2612 if (device == NULL) { 2613 cts->ccb_h.status = CAM_PATH_INVALID; 2614 xpt_done((union ccb *)cts); 2615 return; 2616 } 2617 2618 if (cts->protocol == PROTO_UNKNOWN 2619 || cts->protocol == PROTO_UNSPECIFIED) { 2620 cts->protocol = device->protocol; 2621 cts->protocol_version = device->protocol_version; 2622 } 2623 2624 if (cts->protocol_version == PROTO_VERSION_UNKNOWN 2625 || cts->protocol_version == PROTO_VERSION_UNSPECIFIED) 2626 cts->protocol_version = device->protocol_version; 2627 2628 if (cts->protocol != device->protocol) { 2629 xpt_print(cts->ccb_h.path, "Uninitialized Protocol %x:%x?\n", 2630 cts->protocol, device->protocol); 2631 cts->protocol = device->protocol; 2632 } 2633 2634 if (cts->protocol_version > device->protocol_version) { 2635 if (bootverbose) { 2636 xpt_print(cts->ccb_h.path, "Down reving Protocol " 2637 "Version from %d to %d?\n", cts->protocol_version, 2638 device->protocol_version); 2639 } 2640 cts->protocol_version = device->protocol_version; 2641 } 2642 2643 if (cts->transport == XPORT_UNKNOWN 2644 || cts->transport == XPORT_UNSPECIFIED) { 2645 cts->transport = device->transport; 2646 cts->transport_version = device->transport_version; 2647 } 2648 2649 if (cts->transport_version == XPORT_VERSION_UNKNOWN 2650 || cts->transport_version == XPORT_VERSION_UNSPECIFIED) 2651 cts->transport_version = device->transport_version; 2652 2653 if (cts->transport != device->transport) { 2654 xpt_print(cts->ccb_h.path, "Uninitialized Transport %x:%x?\n", 2655 cts->transport, device->transport); 2656 cts->transport = device->transport; 2657 } 2658 2659 if (cts->transport_version > device->transport_version) { 2660 if (bootverbose) { 2661 xpt_print(cts->ccb_h.path, "Down reving Transport " 2662 "Version from %d to %d?\n", cts->transport_version, 2663 device->transport_version); 2664 } 2665 cts->transport_version = device->transport_version; 2666 } 2667 2668 sim = cts->ccb_h.path->bus->sim; 2669 2670 /* 2671 * Nothing more of interest to do unless 2672 * this is a device connected via the 2673 * SCSI protocol. 2674 */ 2675 if (cts->protocol != PROTO_SCSI) { 2676 if (async_update == FALSE) 2677 (*(sim->sim_action))(sim, (union ccb *)cts); 2678 return; 2679 } 2680 2681 inq_data = &device->inq_data; 2682 scsi = &cts->proto_specific.scsi; 2683 xpt_setup_ccb(&cpi.ccb_h, cts->ccb_h.path, CAM_PRIORITY_NONE); 2684 cpi.ccb_h.func_code = XPT_PATH_INQ; 2685 xpt_action((union ccb *)&cpi); 2686 2687 /* SCSI specific sanity checking */ 2688 if ((cpi.hba_inquiry & PI_TAG_ABLE) == 0 2689 || (INQ_DATA_TQ_ENABLED(inq_data)) == 0 2690 || (device->queue_flags & SCP_QUEUE_DQUE) != 0 2691 || (device->mintags == 0)) { 2692 /* 2693 * Can't tag on hardware that doesn't support tags, 2694 * doesn't have it enabled, or has broken tag support. 2695 */ 2696 scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB; 2697 } 2698 2699 if (async_update == FALSE) { 2700 /* 2701 * Perform sanity checking against what the 2702 * controller and device can do. 2703 */ 2704 xpt_setup_ccb(&cur_cts.ccb_h, cts->ccb_h.path, CAM_PRIORITY_NONE); 2705 cur_cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 2706 cur_cts.type = cts->type; 2707 xpt_action((union ccb *)&cur_cts); 2708 if ((cur_cts.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 2709 return; 2710 } 2711 cur_scsi = &cur_cts.proto_specific.scsi; 2712 if ((scsi->valid & CTS_SCSI_VALID_TQ) == 0) { 2713 scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB; 2714 scsi->flags |= cur_scsi->flags & CTS_SCSI_FLAGS_TAG_ENB; 2715 } 2716 if ((cur_scsi->valid & CTS_SCSI_VALID_TQ) == 0) 2717 scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB; 2718 } 2719 2720 /* SPI specific sanity checking */ 2721 if (cts->transport == XPORT_SPI && async_update == FALSE) { 2722 u_int spi3caps; 2723 struct ccb_trans_settings_spi *spi; 2724 struct ccb_trans_settings_spi *cur_spi; 2725 2726 spi = &cts->xport_specific.spi; 2727 2728 cur_spi = &cur_cts.xport_specific.spi; 2729 2730 /* Fill in any gaps in what the user gave us */ 2731 if ((spi->valid & CTS_SPI_VALID_SYNC_RATE) == 0) 2732 spi->sync_period = cur_spi->sync_period; 2733 if ((cur_spi->valid & CTS_SPI_VALID_SYNC_RATE) == 0) 2734 spi->sync_period = 0; 2735 if ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) == 0) 2736 spi->sync_offset = cur_spi->sync_offset; 2737 if ((cur_spi->valid & CTS_SPI_VALID_SYNC_OFFSET) == 0) 2738 spi->sync_offset = 0; 2739 if ((spi->valid & CTS_SPI_VALID_PPR_OPTIONS) == 0) 2740 spi->ppr_options = cur_spi->ppr_options; 2741 if ((cur_spi->valid & CTS_SPI_VALID_PPR_OPTIONS) == 0) 2742 spi->ppr_options = 0; 2743 if ((spi->valid & CTS_SPI_VALID_BUS_WIDTH) == 0) 2744 spi->bus_width = cur_spi->bus_width; 2745 if ((cur_spi->valid & CTS_SPI_VALID_BUS_WIDTH) == 0) 2746 spi->bus_width = 0; 2747 if ((spi->valid & CTS_SPI_VALID_DISC) == 0) { 2748 spi->flags &= ~CTS_SPI_FLAGS_DISC_ENB; 2749 spi->flags |= cur_spi->flags & CTS_SPI_FLAGS_DISC_ENB; 2750 } 2751 if ((cur_spi->valid & CTS_SPI_VALID_DISC) == 0) 2752 spi->flags &= ~CTS_SPI_FLAGS_DISC_ENB; 2753 if (((device->flags & CAM_DEV_INQUIRY_DATA_VALID) != 0 2754 && (inq_data->flags & SID_Sync) == 0 2755 && cts->type == CTS_TYPE_CURRENT_SETTINGS) 2756 || ((cpi.hba_inquiry & PI_SDTR_ABLE) == 0)) { 2757 /* Force async */ 2758 spi->sync_period = 0; 2759 spi->sync_offset = 0; 2760 } 2761 2762 switch (spi->bus_width) { 2763 case MSG_EXT_WDTR_BUS_32_BIT: 2764 if (((device->flags & CAM_DEV_INQUIRY_DATA_VALID) == 0 2765 || (inq_data->flags & SID_WBus32) != 0 2766 || cts->type == CTS_TYPE_USER_SETTINGS) 2767 && (cpi.hba_inquiry & PI_WIDE_32) != 0) 2768 break; 2769 /* Fall Through to 16-bit */ 2770 case MSG_EXT_WDTR_BUS_16_BIT: 2771 if (((device->flags & CAM_DEV_INQUIRY_DATA_VALID) == 0 2772 || (inq_data->flags & SID_WBus16) != 0 2773 || cts->type == CTS_TYPE_USER_SETTINGS) 2774 && (cpi.hba_inquiry & PI_WIDE_16) != 0) { 2775 spi->bus_width = MSG_EXT_WDTR_BUS_16_BIT; 2776 break; 2777 } 2778 /* Fall Through to 8-bit */ 2779 default: /* New bus width?? */ 2780 case MSG_EXT_WDTR_BUS_8_BIT: 2781 /* All targets can do this */ 2782 spi->bus_width = MSG_EXT_WDTR_BUS_8_BIT; 2783 break; 2784 } 2785 2786 spi3caps = cpi.xport_specific.spi.ppr_options; 2787 if ((device->flags & CAM_DEV_INQUIRY_DATA_VALID) != 0 2788 && cts->type == CTS_TYPE_CURRENT_SETTINGS) 2789 spi3caps &= inq_data->spi3data; 2790 2791 if ((spi3caps & SID_SPI_CLOCK_DT) == 0) 2792 spi->ppr_options &= ~MSG_EXT_PPR_DT_REQ; 2793 2794 if ((spi3caps & SID_SPI_IUS) == 0) 2795 spi->ppr_options &= ~MSG_EXT_PPR_IU_REQ; 2796 2797 if ((spi3caps & SID_SPI_QAS) == 0) 2798 spi->ppr_options &= ~MSG_EXT_PPR_QAS_REQ; 2799 2800 /* No SPI Transfer settings are allowed unless we are wide */ 2801 if (spi->bus_width == 0) 2802 spi->ppr_options = 0; 2803 2804 if ((spi->valid & CTS_SPI_VALID_DISC) 2805 && ((spi->flags & CTS_SPI_FLAGS_DISC_ENB) == 0)) { 2806 /* 2807 * Can't tag queue without disconnection. 2808 */ 2809 scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB; 2810 scsi->valid |= CTS_SCSI_VALID_TQ; 2811 } 2812 2813 /* 2814 * If we are currently performing tagged transactions to 2815 * this device and want to change its negotiation parameters, 2816 * go non-tagged for a bit to give the controller a chance to 2817 * negotiate unhampered by tag messages. 2818 */ 2819 if (cts->type == CTS_TYPE_CURRENT_SETTINGS 2820 && (device->inq_flags & SID_CmdQue) != 0 2821 && (scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0 2822 && (spi->flags & (CTS_SPI_VALID_SYNC_RATE| 2823 CTS_SPI_VALID_SYNC_OFFSET| 2824 CTS_SPI_VALID_BUS_WIDTH)) != 0) 2825 scsi_toggle_tags(cts->ccb_h.path); 2826 } 2827 2828 if (cts->type == CTS_TYPE_CURRENT_SETTINGS 2829 && (scsi->valid & CTS_SCSI_VALID_TQ) != 0) { 2830 int device_tagenb; 2831 2832 /* 2833 * If we are transitioning from tags to no-tags or 2834 * vice-versa, we need to carefully freeze and restart 2835 * the queue so that we don't overlap tagged and non-tagged 2836 * commands. We also temporarily stop tags if there is 2837 * a change in transfer negotiation settings to allow 2838 * "tag-less" negotiation. 2839 */ 2840 if ((device->flags & CAM_DEV_TAG_AFTER_COUNT) != 0 2841 || (device->inq_flags & SID_CmdQue) != 0) 2842 device_tagenb = TRUE; 2843 else 2844 device_tagenb = FALSE; 2845 2846 if (((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0 2847 && device_tagenb == FALSE) 2848 || ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) == 0 2849 && device_tagenb == TRUE)) { 2850 2851 if ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0) { 2852 /* 2853 * Delay change to use tags until after a 2854 * few commands have gone to this device so 2855 * the controller has time to perform transfer 2856 * negotiations without tagged messages getting 2857 * in the way. 2858 */ 2859 device->tag_delay_count = CAM_TAG_DELAY_COUNT; 2860 device->flags |= CAM_DEV_TAG_AFTER_COUNT; 2861 } else { 2862 xpt_stop_tags(cts->ccb_h.path); 2863 } 2864 } 2865 } 2866 if (async_update == FALSE) 2867 (*(sim->sim_action))(sim, (union ccb *)cts); 2868} 2869 2870static void 2871scsi_toggle_tags(struct cam_path *path) 2872{ 2873 struct cam_ed *dev; 2874 2875 /* 2876 * Give controllers a chance to renegotiate 2877 * before starting tag operations. We 2878 * "toggle" tagged queuing off then on 2879 * which causes the tag enable command delay 2880 * counter to come into effect. 2881 */ 2882 dev = path->device; 2883 if ((dev->flags & CAM_DEV_TAG_AFTER_COUNT) != 0 2884 || ((dev->inq_flags & SID_CmdQue) != 0 2885 && (dev->inq_flags & (SID_Sync|SID_WBus16|SID_WBus32)) != 0)) { 2886 struct ccb_trans_settings cts; 2887 2888 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 2889 cts.protocol = PROTO_SCSI; 2890 cts.protocol_version = PROTO_VERSION_UNSPECIFIED; 2891 cts.transport = XPORT_UNSPECIFIED; 2892 cts.transport_version = XPORT_VERSION_UNSPECIFIED; 2893 cts.proto_specific.scsi.flags = 0; 2894 cts.proto_specific.scsi.valid = CTS_SCSI_VALID_TQ; 2895 scsi_set_transfer_settings(&cts, path->device, 2896 /*async_update*/TRUE); 2897 cts.proto_specific.scsi.flags = CTS_SCSI_FLAGS_TAG_ENB; 2898 scsi_set_transfer_settings(&cts, path->device, 2899 /*async_update*/TRUE); 2900 } 2901} 2902 2903/* 2904 * Handle any per-device event notifications that require action by the XPT. 2905 */ 2906static void 2907scsi_dev_async(u_int32_t async_code, struct cam_eb *bus, struct cam_et *target, 2908 struct cam_ed *device, void *async_arg) 2909{ 2910 cam_status status; 2911 struct cam_path newpath; 2912 2913 /* 2914 * We only need to handle events for real devices. 2915 */ 2916 if (target->target_id == CAM_TARGET_WILDCARD 2917 || device->lun_id == CAM_LUN_WILDCARD) 2918 return; 2919 2920 /* 2921 * We need our own path with wildcards expanded to 2922 * handle certain types of events. 2923 */ 2924 if ((async_code == AC_SENT_BDR) 2925 || (async_code == AC_BUS_RESET) 2926 || (async_code == AC_INQ_CHANGED)) 2927 status = xpt_compile_path(&newpath, NULL, 2928 bus->path_id, 2929 target->target_id, 2930 device->lun_id); 2931 else 2932 status = CAM_REQ_CMP_ERR; 2933 2934 if (status == CAM_REQ_CMP) { 2935 2936 /* 2937 * Allow transfer negotiation to occur in a 2938 * tag free environment and after settle delay. 2939 */ 2940 if (async_code == AC_SENT_BDR 2941 || async_code == AC_BUS_RESET) { 2942 cam_freeze_devq(&newpath); 2943 cam_release_devq(&newpath, 2944 RELSIM_RELEASE_AFTER_TIMEOUT, 2945 /*reduction*/0, 2946 /*timeout*/scsi_delay, 2947 /*getcount_only*/0); 2948 scsi_toggle_tags(&newpath); 2949 } 2950 2951 if (async_code == AC_INQ_CHANGED) { 2952 /* 2953 * We've sent a start unit command, or 2954 * something similar to a device that 2955 * may have caused its inquiry data to 2956 * change. So we re-scan the device to 2957 * refresh the inquiry data for it. 2958 */ 2959 scsi_scan_lun(newpath.periph, &newpath, 2960 CAM_EXPECT_INQ_CHANGE, NULL); 2961 } 2962 xpt_release_path(&newpath); 2963 } else if (async_code == AC_LOST_DEVICE && 2964 (device->flags & CAM_DEV_UNCONFIGURED) == 0) { 2965 device->flags |= CAM_DEV_UNCONFIGURED; 2966 xpt_release_device(device); 2967 } else if (async_code == AC_TRANSFER_NEG) { 2968 struct ccb_trans_settings *settings; 2969 2970 settings = (struct ccb_trans_settings *)async_arg; 2971 scsi_set_transfer_settings(settings, device, 2972 /*async_update*/TRUE); 2973 } 2974} 2975 2976static void 2977scsi_announce_periph(struct cam_periph *periph) 2978{ 2979 struct ccb_pathinq cpi; 2980 struct ccb_trans_settings cts; 2981 struct cam_path *path = periph->path; 2982 u_int speed; 2983 u_int freq; 2984 u_int mb; 2985 2986 mtx_assert(periph->sim->mtx, MA_OWNED); 2987 2988 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NORMAL); 2989 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 2990 cts.type = CTS_TYPE_CURRENT_SETTINGS; 2991 xpt_action((union ccb*)&cts); 2992 if ((cts.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) 2993 return; 2994 /* Ask the SIM for its base transfer speed */ 2995 xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NORMAL); 2996 cpi.ccb_h.func_code = XPT_PATH_INQ; 2997 xpt_action((union ccb *)&cpi); 2998 /* Report connection speed */ 2999 speed = cpi.base_transfer_speed; 3000 freq = 0; 3001 if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_SPI) { 3002 struct ccb_trans_settings_spi *spi = 3003 &cts.xport_specific.spi; 3004 3005 if ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) != 0 3006 && spi->sync_offset != 0) { 3007 freq = scsi_calc_syncsrate(spi->sync_period); 3008 speed = freq; 3009 } 3010 if ((spi->valid & CTS_SPI_VALID_BUS_WIDTH) != 0) 3011 speed *= (0x01 << spi->bus_width); 3012 } 3013 if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_FC) { 3014 struct ccb_trans_settings_fc *fc = 3015 &cts.xport_specific.fc; 3016 3017 if (fc->valid & CTS_FC_VALID_SPEED) 3018 speed = fc->bitrate; 3019 } 3020 if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_SAS) { 3021 struct ccb_trans_settings_sas *sas = 3022 &cts.xport_specific.sas; 3023 3024 if (sas->valid & CTS_SAS_VALID_SPEED) 3025 speed = sas->bitrate; 3026 } 3027 mb = speed / 1000; 3028 if (mb > 0) 3029 printf("%s%d: %d.%03dMB/s transfers", 3030 periph->periph_name, periph->unit_number, 3031 mb, speed % 1000); 3032 else 3033 printf("%s%d: %dKB/s transfers", periph->periph_name, 3034 periph->unit_number, speed); 3035 /* Report additional information about SPI connections */ 3036 if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_SPI) { 3037 struct ccb_trans_settings_spi *spi; 3038 3039 spi = &cts.xport_specific.spi; 3040 if (freq != 0) { 3041 printf(" (%d.%03dMHz%s, offset %d", freq / 1000, 3042 freq % 1000, 3043 (spi->ppr_options & MSG_EXT_PPR_DT_REQ) != 0 3044 ? " DT" : "", 3045 spi->sync_offset); 3046 } 3047 if ((spi->valid & CTS_SPI_VALID_BUS_WIDTH) != 0 3048 && spi->bus_width > 0) { 3049 if (freq != 0) { 3050 printf(", "); 3051 } else { 3052 printf(" ("); 3053 } 3054 printf("%dbit)", 8 * (0x01 << spi->bus_width)); 3055 } else if (freq != 0) { 3056 printf(")"); 3057 } 3058 } 3059 if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_FC) { 3060 struct ccb_trans_settings_fc *fc; 3061 3062 fc = &cts.xport_specific.fc; 3063 if (fc->valid & CTS_FC_VALID_WWNN) 3064 printf(" WWNN 0x%llx", (long long) fc->wwnn); 3065 if (fc->valid & CTS_FC_VALID_WWPN) 3066 printf(" WWPN 0x%llx", (long long) fc->wwpn); 3067 if (fc->valid & CTS_FC_VALID_PORT) 3068 printf(" PortID 0x%x", fc->port); 3069 } 3070 printf("\n"); 3071} 3072 3073