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("$FreeBSD$"); 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 void probestart(struct cam_periph *periph, union ccb *start_ccb); 560static void proberequestdefaultnegotiation(struct cam_periph *periph); 561static int proberequestbackoff(struct cam_periph *periph, 562 struct cam_ed *device); 563static void probedone(struct cam_periph *periph, union ccb *done_ccb); 564static int probe_strange_rpl_data(struct scsi_report_luns_data *rp, 565 uint32_t maxlun); 566static void probe_purge_old(struct cam_path *path, 567 struct scsi_report_luns_data *new); 568static void probecleanup(struct cam_periph *periph); 569static void scsi_find_quirk(struct cam_ed *device); 570static void scsi_scan_bus(struct cam_periph *periph, union ccb *ccb); 571static void scsi_scan_lun(struct cam_periph *periph, 572 struct cam_path *path, cam_flags flags, 573 union ccb *ccb); 574static void xptscandone(struct cam_periph *periph, union ccb *done_ccb); 575static struct cam_ed * 576 scsi_alloc_device(struct cam_eb *bus, struct cam_et *target, 577 lun_id_t lun_id); 578static void scsi_devise_transport(struct cam_path *path); 579static void scsi_set_transfer_settings(struct ccb_trans_settings *cts, 580 struct cam_ed *device, 581 int async_update); 582static void scsi_toggle_tags(struct cam_path *path); 583static void scsi_dev_async(u_int32_t async_code, 584 struct cam_eb *bus, 585 struct cam_et *target, 586 struct cam_ed *device, 587 void *async_arg); 588static void scsi_action(union ccb *start_ccb); 589static void scsi_announce_periph(struct cam_periph *periph); 590 591static struct xpt_xport scsi_xport = { 592 .alloc_device = scsi_alloc_device, 593 .action = scsi_action, 594 .async = scsi_dev_async, 595 .announce = scsi_announce_periph, 596}; 597 598struct xpt_xport * 599scsi_get_xport(void) 600{ 601 return (&scsi_xport); 602} 603 604static void 605probe_periph_init() 606{ 607} 608 609static cam_status 610proberegister(struct cam_periph *periph, void *arg) 611{ 612 union ccb *request_ccb; /* CCB representing the probe request */ 613 cam_status status; 614 probe_softc *softc; 615 616 request_ccb = (union ccb *)arg; 617 if (request_ccb == NULL) { 618 printf("proberegister: no probe CCB, " 619 "can't register device\n"); 620 return(CAM_REQ_CMP_ERR); 621 } 622 623 softc = (probe_softc *)malloc(sizeof(*softc), M_CAMXPT, M_NOWAIT); 624 625 if (softc == NULL) { 626 printf("proberegister: Unable to probe new device. " 627 "Unable to allocate softc\n"); 628 return(CAM_REQ_CMP_ERR); 629 } 630 TAILQ_INIT(&softc->request_ccbs); 631 TAILQ_INSERT_TAIL(&softc->request_ccbs, &request_ccb->ccb_h, 632 periph_links.tqe); 633 softc->flags = 0; 634 periph->softc = softc; 635 softc->periph = periph; 636 softc->action = PROBE_INVALID; 637 status = cam_periph_acquire(periph); 638 if (status != CAM_REQ_CMP) { 639 return (status); 640 } 641 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, ("Probe started\n")); 642 643 /* 644 * Ensure we've waited at least a bus settle 645 * delay before attempting to probe the device. 646 * For HBAs that don't do bus resets, this won't make a difference. 647 */ 648 cam_periph_freeze_after_event(periph, &periph->path->bus->last_reset, 649 scsi_delay); 650 probeschedule(periph); 651 return(CAM_REQ_CMP); 652} 653 654static void 655probeschedule(struct cam_periph *periph) 656{ 657 struct ccb_pathinq cpi; 658 union ccb *ccb; 659 probe_softc *softc; 660 661 softc = (probe_softc *)periph->softc; 662 ccb = (union ccb *)TAILQ_FIRST(&softc->request_ccbs); 663 664 xpt_setup_ccb(&cpi.ccb_h, periph->path, CAM_PRIORITY_NONE); 665 cpi.ccb_h.func_code = XPT_PATH_INQ; 666 xpt_action((union ccb *)&cpi); 667 668 /* 669 * If a device has gone away and another device, or the same one, 670 * is back in the same place, it should have a unit attention 671 * condition pending. It will not report the unit attention in 672 * response to an inquiry, which may leave invalid transfer 673 * negotiations in effect. The TUR will reveal the unit attention 674 * condition. Only send the TUR for lun 0, since some devices 675 * will get confused by commands other than inquiry to non-existent 676 * luns. If you think a device has gone away start your scan from 677 * lun 0. This will insure that any bogus transfer settings are 678 * invalidated. 679 * 680 * If we haven't seen the device before and the controller supports 681 * some kind of transfer negotiation, negotiate with the first 682 * sent command if no bus reset was performed at startup. This 683 * ensures that the device is not confused by transfer negotiation 684 * settings left over by loader or BIOS action. 685 */ 686 if (((ccb->ccb_h.path->device->flags & CAM_DEV_UNCONFIGURED) == 0) 687 && (ccb->ccb_h.target_lun == 0)) { 688 PROBE_SET_ACTION(softc, PROBE_TUR); 689 } else if ((cpi.hba_inquiry & (PI_WIDE_32|PI_WIDE_16|PI_SDTR_ABLE)) != 0 690 && (cpi.hba_misc & PIM_NOBUSRESET) != 0) { 691 proberequestdefaultnegotiation(periph); 692 PROBE_SET_ACTION(softc, PROBE_INQUIRY); 693 } else { 694 PROBE_SET_ACTION(softc, PROBE_INQUIRY); 695 } 696 697 if (ccb->crcn.flags & CAM_EXPECT_INQ_CHANGE) 698 softc->flags |= PROBE_NO_ANNOUNCE; 699 else 700 softc->flags &= ~PROBE_NO_ANNOUNCE; 701 702 xpt_schedule(periph, CAM_PRIORITY_XPT); 703} 704 705static void 706probestart(struct cam_periph *periph, union ccb *start_ccb) 707{ 708 /* Probe the device that our peripheral driver points to */ 709 struct ccb_scsiio *csio; 710 probe_softc *softc; 711 712 CAM_DEBUG(start_ccb->ccb_h.path, CAM_DEBUG_TRACE, ("probestart\n")); 713 714 softc = (probe_softc *)periph->softc; 715 csio = &start_ccb->csio; 716again: 717 718 switch (softc->action) { 719 case PROBE_TUR: 720 case PROBE_TUR_FOR_NEGOTIATION: 721 case PROBE_DV_EXIT: 722 { 723 scsi_test_unit_ready(csio, 724 /*retries*/4, 725 probedone, 726 MSG_SIMPLE_Q_TAG, 727 SSD_FULL_SIZE, 728 /*timeout*/60000); 729 break; 730 } 731 case PROBE_INQUIRY: 732 case PROBE_FULL_INQUIRY: 733 case PROBE_INQUIRY_BASIC_DV1: 734 case PROBE_INQUIRY_BASIC_DV2: 735 { 736 u_int inquiry_len; 737 struct scsi_inquiry_data *inq_buf; 738 739 inq_buf = &periph->path->device->inq_data; 740 741 /* 742 * If the device is currently configured, we calculate an 743 * MD5 checksum of the inquiry data, and if the serial number 744 * length is greater than 0, add the serial number data 745 * into the checksum as well. Once the inquiry and the 746 * serial number check finish, we attempt to figure out 747 * whether we still have the same device. 748 */ 749 if ((periph->path->device->flags & CAM_DEV_UNCONFIGURED) == 0) { 750 751 MD5Init(&softc->context); 752 MD5Update(&softc->context, (unsigned char *)inq_buf, 753 sizeof(struct scsi_inquiry_data)); 754 softc->flags |= PROBE_INQUIRY_CKSUM; 755 if (periph->path->device->serial_num_len > 0) { 756 MD5Update(&softc->context, 757 periph->path->device->serial_num, 758 periph->path->device->serial_num_len); 759 softc->flags |= PROBE_SERIAL_CKSUM; 760 } 761 MD5Final(softc->digest, &softc->context); 762 } 763 764 if (softc->action == PROBE_INQUIRY) 765 inquiry_len = SHORT_INQUIRY_LENGTH; 766 else 767 inquiry_len = SID_ADDITIONAL_LENGTH(inq_buf); 768 769 /* 770 * Some parallel SCSI devices fail to send an 771 * ignore wide residue message when dealing with 772 * odd length inquiry requests. Round up to be 773 * safe. 774 */ 775 inquiry_len = roundup2(inquiry_len, 2); 776 777 if (softc->action == PROBE_INQUIRY_BASIC_DV1 778 || softc->action == PROBE_INQUIRY_BASIC_DV2) { 779 inq_buf = malloc(inquiry_len, M_CAMXPT, M_NOWAIT); 780 } 781 if (inq_buf == NULL) { 782 xpt_print(periph->path, "malloc failure- skipping Basic" 783 "Domain Validation\n"); 784 PROBE_SET_ACTION(softc, PROBE_DV_EXIT); 785 scsi_test_unit_ready(csio, 786 /*retries*/4, 787 probedone, 788 MSG_SIMPLE_Q_TAG, 789 SSD_FULL_SIZE, 790 /*timeout*/60000); 791 break; 792 } 793 scsi_inquiry(csio, 794 /*retries*/4, 795 probedone, 796 MSG_SIMPLE_Q_TAG, 797 (u_int8_t *)inq_buf, 798 inquiry_len, 799 /*evpd*/FALSE, 800 /*page_code*/0, 801 SSD_MIN_SIZE, 802 /*timeout*/60 * 1000); 803 break; 804 } 805 case PROBE_REPORT_LUNS: 806 { 807 void *rp; 808 809 rp = malloc(periph->path->target->rpl_size, 810 M_CAMXPT, M_NOWAIT | M_ZERO); 811 if (rp == NULL) { 812 struct scsi_inquiry_data *inq_buf; 813 inq_buf = &periph->path->device->inq_data; 814 xpt_print(periph->path, 815 "Unable to alloc report luns storage\n"); 816 if (INQ_DATA_TQ_ENABLED(inq_buf)) 817 PROBE_SET_ACTION(softc, PROBE_MODE_SENSE); 818 else 819 PROBE_SET_ACTION(softc, 820 PROBE_SUPPORTED_VPD_LIST); 821 goto again; 822 } 823 scsi_report_luns(csio, 5, probedone, MSG_SIMPLE_Q_TAG, 824 RPL_REPORT_DEFAULT, rp, periph->path->target->rpl_size, 825 SSD_FULL_SIZE, 60000); break; 826 break; 827 } 828 case PROBE_MODE_SENSE: 829 { 830 void *mode_buf; 831 int mode_buf_len; 832 833 mode_buf_len = sizeof(struct scsi_mode_header_6) 834 + sizeof(struct scsi_mode_blk_desc) 835 + sizeof(struct scsi_control_page); 836 mode_buf = malloc(mode_buf_len, M_CAMXPT, M_NOWAIT); 837 if (mode_buf != NULL) { 838 scsi_mode_sense(csio, 839 /*retries*/4, 840 probedone, 841 MSG_SIMPLE_Q_TAG, 842 /*dbd*/FALSE, 843 SMS_PAGE_CTRL_CURRENT, 844 SMS_CONTROL_MODE_PAGE, 845 mode_buf, 846 mode_buf_len, 847 SSD_FULL_SIZE, 848 /*timeout*/60000); 849 break; 850 } 851 xpt_print(periph->path, "Unable to mode sense control page - " 852 "malloc failure\n"); 853 PROBE_SET_ACTION(softc, PROBE_SUPPORTED_VPD_LIST); 854 } 855 /* FALLTHROUGH */ 856 case PROBE_SUPPORTED_VPD_LIST: 857 { 858 struct scsi_vpd_supported_page_list *vpd_list; 859 struct cam_ed *device; 860 861 vpd_list = NULL; 862 device = periph->path->device; 863 864 if ((SCSI_QUIRK(device)->quirks & CAM_QUIRK_NOVPDS) == 0) 865 vpd_list = malloc(sizeof(*vpd_list), M_CAMXPT, 866 M_NOWAIT | M_ZERO); 867 868 if (vpd_list != NULL) { 869 scsi_inquiry(csio, 870 /*retries*/4, 871 probedone, 872 MSG_SIMPLE_Q_TAG, 873 (u_int8_t *)vpd_list, 874 sizeof(*vpd_list), 875 /*evpd*/TRUE, 876 SVPD_SUPPORTED_PAGE_LIST, 877 SSD_MIN_SIZE, 878 /*timeout*/60 * 1000); 879 break; 880 } 881 /* 882 * We'll have to do without, let our probedone 883 * routine finish up for us. 884 */ 885 start_ccb->csio.data_ptr = NULL; 886 cam_freeze_devq(periph->path); 887 probedone(periph, start_ccb); 888 return; 889 } 890 case PROBE_DEVICE_ID: 891 { 892 struct scsi_vpd_device_id *devid; 893 894 devid = NULL; 895 if (scsi_vpd_supported_page(periph, SVPD_DEVICE_ID)) 896 devid = malloc(SVPD_DEVICE_ID_MAX_SIZE, M_CAMXPT, 897 M_NOWAIT | M_ZERO); 898 899 if (devid != NULL) { 900 scsi_inquiry(csio, 901 /*retries*/4, 902 probedone, 903 MSG_SIMPLE_Q_TAG, 904 (uint8_t *)devid, 905 SVPD_DEVICE_ID_MAX_SIZE, 906 /*evpd*/TRUE, 907 SVPD_DEVICE_ID, 908 SSD_MIN_SIZE, 909 /*timeout*/60 * 1000); 910 break; 911 } 912 /* 913 * We'll have to do without, let our probedone 914 * routine finish up for us. 915 */ 916 start_ccb->csio.data_ptr = NULL; 917 cam_freeze_devq(periph->path); 918 probedone(periph, start_ccb); 919 return; 920 } 921 case PROBE_SERIAL_NUM: 922 { 923 struct scsi_vpd_unit_serial_number *serial_buf; 924 struct cam_ed* device; 925 926 serial_buf = NULL; 927 device = periph->path->device; 928 if (device->serial_num != NULL) { 929 free(device->serial_num, M_CAMXPT); 930 device->serial_num = NULL; 931 device->serial_num_len = 0; 932 } 933 934 if (scsi_vpd_supported_page(periph, SVPD_UNIT_SERIAL_NUMBER)) 935 serial_buf = (struct scsi_vpd_unit_serial_number *) 936 malloc(sizeof(*serial_buf), M_CAMXPT, 937 M_NOWAIT|M_ZERO); 938 939 if (serial_buf != NULL) { 940 scsi_inquiry(csio, 941 /*retries*/4, 942 probedone, 943 MSG_SIMPLE_Q_TAG, 944 (u_int8_t *)serial_buf, 945 sizeof(*serial_buf), 946 /*evpd*/TRUE, 947 SVPD_UNIT_SERIAL_NUMBER, 948 SSD_MIN_SIZE, 949 /*timeout*/60 * 1000); 950 break; 951 } 952 /* 953 * We'll have to do without, let our probedone 954 * routine finish up for us. 955 */ 956 start_ccb->csio.data_ptr = NULL; 957 cam_freeze_devq(periph->path); 958 probedone(periph, start_ccb); 959 return; 960 } 961 default: 962 panic("probestart: invalid action state 0x%x\n", softc->action); 963 } 964 start_ccb->ccb_h.flags |= CAM_DEV_QFREEZE; 965 xpt_action(start_ccb); 966} 967 968static void 969proberequestdefaultnegotiation(struct cam_periph *periph) 970{ 971 struct ccb_trans_settings cts; 972 973 xpt_setup_ccb(&cts.ccb_h, periph->path, CAM_PRIORITY_NONE); 974 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 975 cts.type = CTS_TYPE_USER_SETTINGS; 976 xpt_action((union ccb *)&cts); 977 if (cam_ccb_status((union ccb *)&cts) != CAM_REQ_CMP) { 978 return; 979 } 980 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 981 cts.type = CTS_TYPE_CURRENT_SETTINGS; 982 xpt_action((union ccb *)&cts); 983} 984 985/* 986 * Backoff Negotiation Code- only pertinent for SPI devices. 987 */ 988static int 989proberequestbackoff(struct cam_periph *periph, struct cam_ed *device) 990{ 991 struct ccb_trans_settings cts; 992 struct ccb_trans_settings_spi *spi; 993 994 memset(&cts, 0, sizeof (cts)); 995 xpt_setup_ccb(&cts.ccb_h, periph->path, CAM_PRIORITY_NONE); 996 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 997 cts.type = CTS_TYPE_CURRENT_SETTINGS; 998 xpt_action((union ccb *)&cts); 999 if (cam_ccb_status((union ccb *)&cts) != CAM_REQ_CMP) { 1000 if (bootverbose) { 1001 xpt_print(periph->path, 1002 "failed to get current device settings\n"); 1003 } 1004 return (0); 1005 } 1006 if (cts.transport != XPORT_SPI) { 1007 if (bootverbose) { 1008 xpt_print(periph->path, "not SPI transport\n"); 1009 } 1010 return (0); 1011 } 1012 spi = &cts.xport_specific.spi; 1013 1014 /* 1015 * We cannot renegotiate sync rate if we don't have one. 1016 */ 1017 if ((spi->valid & CTS_SPI_VALID_SYNC_RATE) == 0) { 1018 if (bootverbose) { 1019 xpt_print(periph->path, "no sync rate known\n"); 1020 } 1021 return (0); 1022 } 1023 1024 /* 1025 * We'll assert that we don't have to touch PPR options- the 1026 * SIM will see what we do with period and offset and adjust 1027 * the PPR options as appropriate. 1028 */ 1029 1030 /* 1031 * A sync rate with unknown or zero offset is nonsensical. 1032 * A sync period of zero means Async. 1033 */ 1034 if ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) == 0 1035 || spi->sync_offset == 0 || spi->sync_period == 0) { 1036 if (bootverbose) { 1037 xpt_print(periph->path, "no sync rate available\n"); 1038 } 1039 return (0); 1040 } 1041 1042 if (device->flags & CAM_DEV_DV_HIT_BOTTOM) { 1043 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, 1044 ("hit async: giving up on DV\n")); 1045 return (0); 1046 } 1047 1048 1049 /* 1050 * Jump sync_period up by one, but stop at 5MHz and fall back to Async. 1051 * We don't try to remember 'last' settings to see if the SIM actually 1052 * gets into the speed we want to set. We check on the SIM telling 1053 * us that a requested speed is bad, but otherwise don't try and 1054 * check the speed due to the asynchronous and handshake nature 1055 * of speed setting. 1056 */ 1057 spi->valid = CTS_SPI_VALID_SYNC_RATE | CTS_SPI_VALID_SYNC_OFFSET; 1058 for (;;) { 1059 spi->sync_period++; 1060 if (spi->sync_period >= 0xf) { 1061 spi->sync_period = 0; 1062 spi->sync_offset = 0; 1063 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, 1064 ("setting to async for DV\n")); 1065 /* 1066 * Once we hit async, we don't want to try 1067 * any more settings. 1068 */ 1069 device->flags |= CAM_DEV_DV_HIT_BOTTOM; 1070 } else if (bootverbose) { 1071 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, 1072 ("DV: period 0x%x\n", spi->sync_period)); 1073 printf("setting period to 0x%x\n", spi->sync_period); 1074 } 1075 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 1076 cts.type = CTS_TYPE_CURRENT_SETTINGS; 1077 xpt_action((union ccb *)&cts); 1078 if (cam_ccb_status((union ccb *)&cts) != CAM_REQ_CMP) { 1079 break; 1080 } 1081 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, 1082 ("DV: failed to set period 0x%x\n", spi->sync_period)); 1083 if (spi->sync_period == 0) { 1084 return (0); 1085 } 1086 } 1087 return (1); 1088} 1089 1090#define CCB_COMPLETED_OK(ccb) (((ccb).status & CAM_STATUS_MASK) == CAM_REQ_CMP) 1091 1092static void 1093probedone(struct cam_periph *periph, union ccb *done_ccb) 1094{ 1095 probe_softc *softc; 1096 struct cam_path *path; 1097 u_int32_t priority; 1098 1099 CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_TRACE, ("probedone\n")); 1100 1101 softc = (probe_softc *)periph->softc; 1102 path = done_ccb->ccb_h.path; 1103 priority = done_ccb->ccb_h.pinfo.priority; 1104 1105 switch (softc->action) { 1106 case PROBE_TUR: 1107 { 1108 if (cam_ccb_status(done_ccb) != CAM_REQ_CMP) { 1109 1110 if (cam_periph_error(done_ccb, 0, 1111 SF_NO_PRINT, NULL) == ERESTART) { 1112out: 1113 /* Drop freeze taken due to CAM_DEV_QFREEZE */ 1114 cam_release_devq(path, 0, 0, 0, FALSE); 1115 return; 1116 } 1117 else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 1118 /* Don't wedge the queue */ 1119 xpt_release_devq(done_ccb->ccb_h.path, 1120 /*count*/1, 1121 /*run_queue*/TRUE); 1122 } 1123 PROBE_SET_ACTION(softc, PROBE_INQUIRY); 1124 xpt_release_ccb(done_ccb); 1125 xpt_schedule(periph, priority); 1126 goto out; 1127 } 1128 case PROBE_INQUIRY: 1129 case PROBE_FULL_INQUIRY: 1130 { 1131 if (cam_ccb_status(done_ccb) == CAM_REQ_CMP) { 1132 struct scsi_inquiry_data *inq_buf; 1133 u_int8_t periph_qual; 1134 1135 path->device->flags |= CAM_DEV_INQUIRY_DATA_VALID; 1136 inq_buf = &path->device->inq_data; 1137 1138 periph_qual = SID_QUAL(inq_buf); 1139 1140 if (periph_qual == SID_QUAL_LU_CONNECTED) { 1141 u_int8_t len; 1142 1143 /* 1144 * We conservatively request only 1145 * SHORT_INQUIRY_LEN bytes of inquiry 1146 * information during our first try 1147 * at sending an INQUIRY. If the device 1148 * has more information to give, 1149 * perform a second request specifying 1150 * the amount of information the device 1151 * is willing to give. 1152 */ 1153 len = inq_buf->additional_length 1154 + offsetof(struct scsi_inquiry_data, 1155 additional_length) + 1; 1156 if (softc->action == PROBE_INQUIRY 1157 && len > SHORT_INQUIRY_LENGTH) { 1158 PROBE_SET_ACTION(softc, PROBE_FULL_INQUIRY); 1159 xpt_release_ccb(done_ccb); 1160 xpt_schedule(periph, priority); 1161 goto out; 1162 } 1163 1164 scsi_find_quirk(path->device); 1165 1166 scsi_devise_transport(path); 1167 1168 if (path->device->lun_id == 0 && 1169 SID_ANSI_REV(inq_buf) > SCSI_REV_SPC2 && 1170 (SCSI_QUIRK(path->device)->quirks & 1171 CAM_QUIRK_NORPTLUNS) == 0) { 1172 PROBE_SET_ACTION(softc, 1173 PROBE_REPORT_LUNS); 1174 /* 1175 * Start with room for *one* lun. 1176 */ 1177 periph->path->target->rpl_size = 16; 1178 } else if (INQ_DATA_TQ_ENABLED(inq_buf)) 1179 PROBE_SET_ACTION(softc, 1180 PROBE_MODE_SENSE); 1181 else 1182 PROBE_SET_ACTION(softc, 1183 PROBE_SUPPORTED_VPD_LIST); 1184 1185 if (path->device->flags & CAM_DEV_UNCONFIGURED) { 1186 path->device->flags &= ~CAM_DEV_UNCONFIGURED; 1187 xpt_acquire_device(path->device); 1188 } 1189 xpt_release_ccb(done_ccb); 1190 xpt_schedule(periph, priority); 1191 goto out; 1192 } else if (path->device->lun_id == 0 && 1193 SID_ANSI_REV(inq_buf) > SCSI_REV_SPC2 && 1194 (SCSI_QUIRK(path->device)->quirks & 1195 CAM_QUIRK_NORPTLUNS) == 0) { 1196 if (path->device->flags & 1197 CAM_DEV_UNCONFIGURED) { 1198 path->device->flags &= 1199 ~CAM_DEV_UNCONFIGURED; 1200 xpt_acquire_device(path->device); 1201 } 1202 PROBE_SET_ACTION(softc, PROBE_REPORT_LUNS); 1203 periph->path->target->rpl_size = 16; 1204 xpt_release_ccb(done_ccb); 1205 xpt_schedule(periph, priority); 1206 goto out; 1207 } 1208 } else if (cam_periph_error(done_ccb, 0, 1209 done_ccb->ccb_h.target_lun > 0 1210 ? SF_RETRY_UA|SF_QUIET_IR 1211 : SF_RETRY_UA, 1212 &softc->saved_ccb) == ERESTART) { 1213 goto out; 1214 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1215 /* Don't wedge the queue */ 1216 xpt_release_devq(done_ccb->ccb_h.path, /*count*/1, 1217 /*run_queue*/TRUE); 1218 } 1219 /* 1220 * If we get to this point, we got an error status back 1221 * from the inquiry and the error status doesn't require 1222 * automatically retrying the command. Therefore, the 1223 * inquiry failed. If we had inquiry information before 1224 * for this device, but this latest inquiry command failed, 1225 * the device has probably gone away. If this device isn't 1226 * already marked unconfigured, notify the peripheral 1227 * drivers that this device is no more. 1228 */ 1229 if ((path->device->flags & CAM_DEV_UNCONFIGURED) == 0) 1230 /* Send the async notification. */ 1231 xpt_async(AC_LOST_DEVICE, path, NULL); 1232 PROBE_SET_ACTION(softc, PROBE_INVALID); 1233 1234 xpt_release_ccb(done_ccb); 1235 break; 1236 } 1237 case PROBE_REPORT_LUNS: 1238 { 1239 struct ccb_scsiio *csio; 1240 struct scsi_report_luns_data *lp; 1241 u_int nlun, maxlun; 1242 1243 csio = &done_ccb->csio; 1244 1245 lp = (struct scsi_report_luns_data *)csio->data_ptr; 1246 nlun = scsi_4btoul(lp->length) / 8; 1247 maxlun = (csio->dxfer_len / 8) - 1; 1248 1249 if (cam_ccb_status(done_ccb) != CAM_REQ_CMP) { 1250 if (cam_periph_error(done_ccb, 0, 1251 done_ccb->ccb_h.target_lun > 0 ? 1252 SF_RETRY_UA|SF_QUIET_IR : SF_RETRY_UA, 1253 &softc->saved_ccb) == ERESTART) { 1254 goto out; 1255 } 1256 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1257 xpt_release_devq(done_ccb->ccb_h.path, 1, 1258 TRUE); 1259 } 1260 free(lp, M_CAMXPT); 1261 lp = NULL; 1262 } else if (nlun > maxlun) { 1263 /* 1264 * Reallocate and retry to cover all luns 1265 */ 1266 CAM_DEBUG(path, CAM_DEBUG_PROBE, 1267 ("Probe: reallocating REPORT_LUNS for %u luns\n", 1268 nlun)); 1269 free(lp, M_CAMXPT); 1270 path->target->rpl_size = (nlun << 3) + 8; 1271 xpt_release_ccb(done_ccb); 1272 xpt_schedule(periph, priority); 1273 goto out; 1274 } else if (nlun == 0) { 1275 /* 1276 * If there don't appear to be any luns, bail. 1277 */ 1278 free(lp, M_CAMXPT); 1279 lp = NULL; 1280 } else if (probe_strange_rpl_data(lp, maxlun)) { 1281 /* 1282 * If we can't understand the lun format 1283 * of any entry, bail. 1284 */ 1285 free(lp, M_CAMXPT); 1286 lp = NULL; 1287 } else { 1288 lun_id_t lun; 1289 int idx; 1290 1291 CAM_DEBUG(path, CAM_DEBUG_PROBE, 1292 ("Probe: %u lun(s) reported\n", nlun)); 1293 1294 CAM_GET_SIMPLE_LUN(lp, 0, lun); 1295 /* 1296 * If the first lun is not lun 0, then either there 1297 * is no lun 0 in the list, or the list is unsorted. 1298 */ 1299 if (lun != 0) { 1300 for (idx = 0; idx < nlun; idx++) { 1301 CAM_GET_SIMPLE_LUN(lp, idx, lun); 1302 if (lun == 0) { 1303 break; 1304 } 1305 } 1306 if (idx != nlun) { 1307 uint8_t tlun[8]; 1308 memcpy(tlun, 1309 lp->luns[0].lundata, 8); 1310 memcpy(lp->luns[0].lundata, 1311 lp->luns[idx].lundata, 8); 1312 memcpy(lp->luns[idx].lundata, 1313 tlun, 8); 1314 CAM_DEBUG(path, CAM_DEBUG_PROBE, 1315 ("lun 0 in position %u\n", idx)); 1316 } else { 1317 /* 1318 * There is no lun 0 in our list. Destroy 1319 * the validity of the inquiry data so we 1320 * bail here and now. 1321 */ 1322 path->device->flags &= 1323 ~CAM_DEV_INQUIRY_DATA_VALID; 1324 } 1325 } 1326 /* 1327 * If we have an old lun list, We can either 1328 * retest luns that appear to have been dropped, 1329 * or just nuke them. We'll opt for the latter. 1330 * This function will also install the new list 1331 * in the target structure. 1332 */ 1333 probe_purge_old(path, lp); 1334 lp = NULL; 1335 } 1336 if (path->device->flags & CAM_DEV_INQUIRY_DATA_VALID) { 1337 struct scsi_inquiry_data *inq_buf; 1338 inq_buf = &path->device->inq_data; 1339 if (INQ_DATA_TQ_ENABLED(inq_buf)) 1340 PROBE_SET_ACTION(softc, PROBE_MODE_SENSE); 1341 else 1342 PROBE_SET_ACTION(softc, 1343 PROBE_SUPPORTED_VPD_LIST); 1344 xpt_release_ccb(done_ccb); 1345 xpt_schedule(periph, priority); 1346 goto out; 1347 } 1348 if (lp) { 1349 free(lp, M_CAMXPT); 1350 } 1351 break; 1352 } 1353 case PROBE_MODE_SENSE: 1354 { 1355 struct ccb_scsiio *csio; 1356 struct scsi_mode_header_6 *mode_hdr; 1357 1358 csio = &done_ccb->csio; 1359 mode_hdr = (struct scsi_mode_header_6 *)csio->data_ptr; 1360 if (cam_ccb_status(done_ccb) == CAM_REQ_CMP) { 1361 struct scsi_control_page *page; 1362 u_int8_t *offset; 1363 1364 offset = ((u_int8_t *)&mode_hdr[1]) 1365 + mode_hdr->blk_desc_len; 1366 page = (struct scsi_control_page *)offset; 1367 path->device->queue_flags = page->queue_flags; 1368 } else if (cam_periph_error(done_ccb, 0, 1369 SF_RETRY_UA|SF_NO_PRINT, 1370 &softc->saved_ccb) == ERESTART) { 1371 goto out; 1372 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1373 /* Don't wedge the queue */ 1374 xpt_release_devq(done_ccb->ccb_h.path, 1375 /*count*/1, /*run_queue*/TRUE); 1376 } 1377 xpt_release_ccb(done_ccb); 1378 free(mode_hdr, M_CAMXPT); 1379 PROBE_SET_ACTION(softc, PROBE_SUPPORTED_VPD_LIST); 1380 xpt_schedule(periph, priority); 1381 goto out; 1382 } 1383 case PROBE_SUPPORTED_VPD_LIST: 1384 { 1385 struct ccb_scsiio *csio; 1386 struct scsi_vpd_supported_page_list *page_list; 1387 1388 csio = &done_ccb->csio; 1389 page_list = 1390 (struct scsi_vpd_supported_page_list *)csio->data_ptr; 1391 1392 if (path->device->supported_vpds != NULL) { 1393 free(path->device->supported_vpds, M_CAMXPT); 1394 path->device->supported_vpds = NULL; 1395 path->device->supported_vpds_len = 0; 1396 } 1397 1398 if (page_list == NULL) { 1399 /* 1400 * Don't process the command as it was never sent 1401 */ 1402 } else if (CCB_COMPLETED_OK(csio->ccb_h)) { 1403 /* Got vpd list */ 1404 path->device->supported_vpds_len = page_list->length + 1405 SVPD_SUPPORTED_PAGES_HDR_LEN; 1406 path->device->supported_vpds = (uint8_t *)page_list; 1407 xpt_release_ccb(done_ccb); 1408 PROBE_SET_ACTION(softc, PROBE_DEVICE_ID); 1409 xpt_schedule(periph, priority); 1410 goto out; 1411 } else if (cam_periph_error(done_ccb, 0, 1412 SF_RETRY_UA|SF_NO_PRINT, 1413 &softc->saved_ccb) == ERESTART) { 1414 goto out; 1415 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1416 /* Don't wedge the queue */ 1417 xpt_release_devq(done_ccb->ccb_h.path, /*count*/1, 1418 /*run_queue*/TRUE); 1419 } 1420 1421 if (page_list) 1422 free(page_list, M_CAMXPT); 1423 /* No VPDs available, skip to device check. */ 1424 csio->data_ptr = NULL; 1425 goto probe_device_check; 1426 } 1427 case PROBE_DEVICE_ID: 1428 { 1429 struct scsi_vpd_device_id *devid; 1430 struct ccb_scsiio *csio; 1431 uint32_t length = 0; 1432 1433 csio = &done_ccb->csio; 1434 devid = (struct scsi_vpd_device_id *)csio->data_ptr; 1435 1436 /* Clean up from previous instance of this device */ 1437 if (path->device->device_id != NULL) { 1438 path->device->device_id_len = 0; 1439 free(path->device->device_id, M_CAMXPT); 1440 path->device->device_id = NULL; 1441 } 1442 1443 if (devid == NULL) { 1444 /* Don't process the command as it was never sent */ 1445 } else if (CCB_COMPLETED_OK(csio->ccb_h)) { 1446 length = scsi_2btoul(devid->length); 1447 if (length != 0) { 1448 /* 1449 * NB: device_id_len is actual response 1450 * size, not buffer size. 1451 */ 1452 path->device->device_id_len = length + 1453 SVPD_DEVICE_ID_HDR_LEN; 1454 path->device->device_id = (uint8_t *)devid; 1455 } 1456 } else if (cam_periph_error(done_ccb, 0, 1457 SF_RETRY_UA, 1458 &softc->saved_ccb) == ERESTART) { 1459 goto out; 1460 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1461 /* Don't wedge the queue */ 1462 xpt_release_devq(done_ccb->ccb_h.path, /*count*/1, 1463 /*run_queue*/TRUE); 1464 } 1465 1466 /* Free the device id space if we don't use it */ 1467 if (devid && length == 0) 1468 free(devid, M_CAMXPT); 1469 xpt_release_ccb(done_ccb); 1470 PROBE_SET_ACTION(softc, PROBE_SERIAL_NUM); 1471 xpt_schedule(periph, priority); 1472 goto out; 1473 } 1474 1475probe_device_check: 1476 case PROBE_SERIAL_NUM: 1477 { 1478 struct ccb_scsiio *csio; 1479 struct scsi_vpd_unit_serial_number *serial_buf; 1480 u_int32_t priority; 1481 int changed; 1482 int have_serialnum; 1483 1484 changed = 1; 1485 have_serialnum = 0; 1486 csio = &done_ccb->csio; 1487 priority = done_ccb->ccb_h.pinfo.priority; 1488 serial_buf = 1489 (struct scsi_vpd_unit_serial_number *)csio->data_ptr; 1490 1491 if (serial_buf == NULL) { 1492 /* 1493 * Don't process the command as it was never sent 1494 */ 1495 } else if (cam_ccb_status(done_ccb) == CAM_REQ_CMP 1496 && (serial_buf->length > 0)) { 1497 1498 have_serialnum = 1; 1499 path->device->serial_num = 1500 (u_int8_t *)malloc((serial_buf->length + 1), 1501 M_CAMXPT, M_NOWAIT); 1502 if (path->device->serial_num != NULL) { 1503 memcpy(path->device->serial_num, 1504 serial_buf->serial_num, 1505 serial_buf->length); 1506 path->device->serial_num_len = 1507 serial_buf->length; 1508 path->device->serial_num[serial_buf->length] 1509 = '\0'; 1510 } 1511 } else if (cam_periph_error(done_ccb, 0, 1512 SF_RETRY_UA|SF_NO_PRINT, 1513 &softc->saved_ccb) == ERESTART) { 1514 goto out; 1515 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1516 /* Don't wedge the queue */ 1517 xpt_release_devq(done_ccb->ccb_h.path, /*count*/1, 1518 /*run_queue*/TRUE); 1519 } 1520 1521 /* 1522 * Let's see if we have seen this device before. 1523 */ 1524 if ((softc->flags & PROBE_INQUIRY_CKSUM) != 0) { 1525 MD5_CTX context; 1526 u_int8_t digest[16]; 1527 1528 MD5Init(&context); 1529 1530 MD5Update(&context, 1531 (unsigned char *)&path->device->inq_data, 1532 sizeof(struct scsi_inquiry_data)); 1533 1534 if (have_serialnum) 1535 MD5Update(&context, serial_buf->serial_num, 1536 serial_buf->length); 1537 1538 MD5Final(digest, &context); 1539 if (bcmp(softc->digest, digest, 16) == 0) 1540 changed = 0; 1541 1542 /* 1543 * XXX Do we need to do a TUR in order to ensure 1544 * that the device really hasn't changed??? 1545 */ 1546 if ((changed != 0) 1547 && ((softc->flags & PROBE_NO_ANNOUNCE) == 0)) 1548 xpt_async(AC_LOST_DEVICE, path, NULL); 1549 } 1550 if (serial_buf != NULL) 1551 free(serial_buf, M_CAMXPT); 1552 1553 if (changed != 0) { 1554 /* 1555 * Now that we have all the necessary 1556 * information to safely perform transfer 1557 * negotiations... Controllers don't perform 1558 * any negotiation or tagged queuing until 1559 * after the first XPT_SET_TRAN_SETTINGS ccb is 1560 * received. So, on a new device, just retrieve 1561 * the user settings, and set them as the current 1562 * settings to set the device up. 1563 */ 1564 proberequestdefaultnegotiation(periph); 1565 xpt_release_ccb(done_ccb); 1566 1567 /* 1568 * Perform a TUR to allow the controller to 1569 * perform any necessary transfer negotiation. 1570 */ 1571 PROBE_SET_ACTION(softc, PROBE_TUR_FOR_NEGOTIATION); 1572 xpt_schedule(periph, priority); 1573 goto out; 1574 } 1575 xpt_release_ccb(done_ccb); 1576 break; 1577 } 1578 case PROBE_TUR_FOR_NEGOTIATION: 1579 case PROBE_DV_EXIT: 1580 if (cam_ccb_status(done_ccb) != CAM_REQ_CMP) { 1581 cam_periph_error(done_ccb, 0, 1582 SF_NO_PRINT | SF_NO_RECOVERY | SF_NO_RETRY, NULL); 1583 } 1584 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1585 /* Don't wedge the queue */ 1586 xpt_release_devq(done_ccb->ccb_h.path, /*count*/1, 1587 /*run_queue*/TRUE); 1588 } 1589 /* 1590 * Do Domain Validation for lun 0 on devices that claim 1591 * to support Synchronous Transfer modes. 1592 */ 1593 if (softc->action == PROBE_TUR_FOR_NEGOTIATION 1594 && done_ccb->ccb_h.target_lun == 0 1595 && (path->device->inq_data.flags & SID_Sync) != 0 1596 && (path->device->flags & CAM_DEV_IN_DV) == 0) { 1597 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, 1598 ("Begin Domain Validation\n")); 1599 path->device->flags |= CAM_DEV_IN_DV; 1600 xpt_release_ccb(done_ccb); 1601 PROBE_SET_ACTION(softc, PROBE_INQUIRY_BASIC_DV1); 1602 xpt_schedule(periph, priority); 1603 goto out; 1604 } 1605 if (softc->action == PROBE_DV_EXIT) { 1606 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, 1607 ("Leave Domain Validation\n")); 1608 } 1609 if (path->device->flags & CAM_DEV_UNCONFIGURED) { 1610 path->device->flags &= ~CAM_DEV_UNCONFIGURED; 1611 xpt_acquire_device(path->device); 1612 } 1613 path->device->flags &= 1614 ~(CAM_DEV_IN_DV|CAM_DEV_DV_HIT_BOTTOM); 1615 if ((softc->flags & PROBE_NO_ANNOUNCE) == 0) { 1616 /* Inform the XPT that a new device has been found */ 1617 done_ccb->ccb_h.func_code = XPT_GDEV_TYPE; 1618 xpt_action(done_ccb); 1619 xpt_async(AC_FOUND_DEVICE, done_ccb->ccb_h.path, 1620 done_ccb); 1621 } 1622 PROBE_SET_ACTION(softc, PROBE_DONE); 1623 xpt_release_ccb(done_ccb); 1624 break; 1625 case PROBE_INQUIRY_BASIC_DV1: 1626 case PROBE_INQUIRY_BASIC_DV2: 1627 { 1628 struct scsi_inquiry_data *nbuf; 1629 struct ccb_scsiio *csio; 1630 1631 if (cam_ccb_status(done_ccb) != CAM_REQ_CMP) { 1632 cam_periph_error(done_ccb, 0, 1633 SF_NO_PRINT | SF_NO_RECOVERY | SF_NO_RETRY, NULL); 1634 } 1635 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1636 /* Don't wedge the queue */ 1637 xpt_release_devq(done_ccb->ccb_h.path, /*count*/1, 1638 /*run_queue*/TRUE); 1639 } 1640 csio = &done_ccb->csio; 1641 nbuf = (struct scsi_inquiry_data *)csio->data_ptr; 1642 if (bcmp(nbuf, &path->device->inq_data, SHORT_INQUIRY_LENGTH)) { 1643 xpt_print(path, 1644 "inquiry data fails comparison at DV%d step\n", 1645 softc->action == PROBE_INQUIRY_BASIC_DV1 ? 1 : 2); 1646 if (proberequestbackoff(periph, path->device)) { 1647 path->device->flags &= ~CAM_DEV_IN_DV; 1648 PROBE_SET_ACTION(softc, PROBE_TUR_FOR_NEGOTIATION); 1649 } else { 1650 /* give up */ 1651 PROBE_SET_ACTION(softc, PROBE_DV_EXIT); 1652 } 1653 free(nbuf, M_CAMXPT); 1654 xpt_release_ccb(done_ccb); 1655 xpt_schedule(periph, priority); 1656 goto out; 1657 } 1658 free(nbuf, M_CAMXPT); 1659 if (softc->action == PROBE_INQUIRY_BASIC_DV1) { 1660 PROBE_SET_ACTION(softc, PROBE_INQUIRY_BASIC_DV2); 1661 xpt_release_ccb(done_ccb); 1662 xpt_schedule(periph, priority); 1663 goto out; 1664 } 1665 if (softc->action == PROBE_INQUIRY_BASIC_DV2) { 1666 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, 1667 ("Leave Domain Validation Successfully\n")); 1668 } 1669 if (path->device->flags & CAM_DEV_UNCONFIGURED) { 1670 path->device->flags &= ~CAM_DEV_UNCONFIGURED; 1671 xpt_acquire_device(path->device); 1672 } 1673 path->device->flags &= 1674 ~(CAM_DEV_IN_DV|CAM_DEV_DV_HIT_BOTTOM); 1675 if ((softc->flags & PROBE_NO_ANNOUNCE) == 0) { 1676 /* Inform the XPT that a new device has been found */ 1677 done_ccb->ccb_h.func_code = XPT_GDEV_TYPE; 1678 xpt_action(done_ccb); 1679 xpt_async(AC_FOUND_DEVICE, done_ccb->ccb_h.path, 1680 done_ccb); 1681 } 1682 PROBE_SET_ACTION(softc, PROBE_DONE); 1683 xpt_release_ccb(done_ccb); 1684 break; 1685 } 1686 default: 1687 panic("probedone: invalid action state 0x%x\n", softc->action); 1688 } 1689 done_ccb = (union ccb *)TAILQ_FIRST(&softc->request_ccbs); 1690 TAILQ_REMOVE(&softc->request_ccbs, &done_ccb->ccb_h, periph_links.tqe); 1691 done_ccb->ccb_h.status = CAM_REQ_CMP; 1692 xpt_done(done_ccb); 1693 if (TAILQ_FIRST(&softc->request_ccbs) == NULL) { 1694 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, ("Probe completed\n")); 1695 /* Drop freeze taken due to CAM_DEV_QFREEZE flag set. */ 1696 cam_release_devq(path, 0, 0, 0, FALSE); 1697 cam_periph_invalidate(periph); 1698 cam_periph_release_locked(periph); 1699 } else { 1700 probeschedule(periph); 1701 goto out; 1702 } 1703} 1704 1705static int 1706probe_strange_rpl_data(struct scsi_report_luns_data *rp, uint32_t maxlun) 1707{ 1708 uint32_t idx; 1709 uint32_t nlun = MIN(maxlun, (scsi_4btoul(rp->length) / 8)); 1710 1711 for (idx = 0; idx < nlun; idx++) { 1712 if (!CAM_CAN_GET_SIMPLE_LUN(rp, idx)) { 1713 return (-1); 1714 } 1715 } 1716 return (0); 1717} 1718 1719static void 1720probe_purge_old(struct cam_path *path, struct scsi_report_luns_data *new) 1721{ 1722 struct cam_path *tp; 1723 struct scsi_report_luns_data *old; 1724 u_int idx1, idx2, nlun_old, nlun_new, this_lun; 1725 u_int8_t *ol, *nl; 1726 1727 if (path->target == NULL) { 1728 return; 1729 } 1730 if (path->target->luns == NULL) { 1731 path->target->luns = new; 1732 return; 1733 } 1734 old = path->target->luns; 1735 nlun_old = scsi_4btoul(old->length) / 8; 1736 nlun_new = scsi_4btoul(new->length) / 8; 1737 1738 /* 1739 * We are not going to assume sorted lists. Deal. 1740 */ 1741 for (idx1 = 0; idx1 < nlun_old; idx1++) { 1742 ol = old->luns[idx1].lundata; 1743 for (idx2 = 0; idx2 < nlun_new; idx2++) { 1744 nl = new->luns[idx2].lundata; 1745 if (memcmp(nl, ol, 8) == 0) { 1746 break; 1747 } 1748 } 1749 if (idx2 < nlun_new) { 1750 continue; 1751 } 1752 /* 1753 * An 'old' item not in the 'new' list. 1754 * Nuke it. Except that if it is lun 0, 1755 * that would be what the probe state 1756 * machine is currently working on, 1757 * so we won't do that. 1758 * 1759 * We also cannot nuke it if it is 1760 * not in a lun format we understand. 1761 */ 1762 if (!CAM_CAN_GET_SIMPLE_LUN(old, idx1)) { 1763 continue; 1764 } 1765 CAM_GET_SIMPLE_LUN(old, idx1, this_lun); 1766 if (this_lun == 0) { 1767 continue; 1768 } 1769 if (xpt_create_path(&tp, NULL, xpt_path_path_id(path), 1770 xpt_path_target_id(path), this_lun) == CAM_REQ_CMP) { 1771 xpt_async(AC_LOST_DEVICE, tp, NULL); 1772 xpt_free_path(tp); 1773 } 1774 } 1775 free(old, M_CAMXPT); 1776 path->target->luns = new; 1777} 1778 1779static void 1780probecleanup(struct cam_periph *periph) 1781{ 1782 free(periph->softc, M_CAMXPT); 1783} 1784 1785static void 1786scsi_find_quirk(struct cam_ed *device) 1787{ 1788 struct scsi_quirk_entry *quirk; 1789 caddr_t match; 1790 1791 match = cam_quirkmatch((caddr_t)&device->inq_data, 1792 (caddr_t)scsi_quirk_table, 1793 sizeof(scsi_quirk_table) / 1794 sizeof(*scsi_quirk_table), 1795 sizeof(*scsi_quirk_table), scsi_inquiry_match); 1796 1797 if (match == NULL) 1798 panic("xpt_find_quirk: device didn't match wildcard entry!!"); 1799 1800 quirk = (struct scsi_quirk_entry *)match; 1801 device->quirk = quirk; 1802 device->mintags = quirk->mintags; 1803 device->maxtags = quirk->maxtags; 1804} 1805 1806static int 1807sysctl_cam_search_luns(SYSCTL_HANDLER_ARGS) 1808{ 1809 int error, val; 1810 1811 val = cam_srch_hi; 1812 error = sysctl_handle_int(oidp, &val, 0, req); 1813 if (error != 0 || req->newptr == NULL) 1814 return (error); 1815 if (val == 0 || val == 1) { 1816 cam_srch_hi = val; 1817 return (0); 1818 } else { 1819 return (EINVAL); 1820 } 1821} 1822 1823typedef struct { 1824 union ccb *request_ccb; 1825 struct ccb_pathinq *cpi; 1826 int counter; 1827 int lunindex[0]; 1828} scsi_scan_bus_info; 1829 1830/* 1831 * To start a scan, request_ccb is an XPT_SCAN_BUS ccb. 1832 * As the scan progresses, scsi_scan_bus is used as the 1833 * callback on completion function. 1834 */ 1835static void 1836scsi_scan_bus(struct cam_periph *periph, union ccb *request_ccb) 1837{ 1838 CAM_DEBUG(request_ccb->ccb_h.path, CAM_DEBUG_TRACE, 1839 ("scsi_scan_bus\n")); 1840 switch (request_ccb->ccb_h.func_code) { 1841 case XPT_SCAN_BUS: 1842 case XPT_SCAN_TGT: 1843 { 1844 scsi_scan_bus_info *scan_info; 1845 union ccb *work_ccb, *reset_ccb; 1846 struct cam_path *path; 1847 u_int i; 1848 u_int low_target, max_target; 1849 u_int initiator_id; 1850 1851 /* Find out the characteristics of the bus */ 1852 work_ccb = xpt_alloc_ccb_nowait(); 1853 if (work_ccb == NULL) { 1854 request_ccb->ccb_h.status = CAM_RESRC_UNAVAIL; 1855 xpt_done(request_ccb); 1856 return; 1857 } 1858 xpt_setup_ccb(&work_ccb->ccb_h, request_ccb->ccb_h.path, 1859 request_ccb->ccb_h.pinfo.priority); 1860 work_ccb->ccb_h.func_code = XPT_PATH_INQ; 1861 xpt_action(work_ccb); 1862 if (work_ccb->ccb_h.status != CAM_REQ_CMP) { 1863 request_ccb->ccb_h.status = work_ccb->ccb_h.status; 1864 xpt_free_ccb(work_ccb); 1865 xpt_done(request_ccb); 1866 return; 1867 } 1868 1869 if ((work_ccb->cpi.hba_misc & PIM_NOINITIATOR) != 0) { 1870 /* 1871 * Can't scan the bus on an adapter that 1872 * cannot perform the initiator role. 1873 */ 1874 request_ccb->ccb_h.status = CAM_REQ_CMP; 1875 xpt_free_ccb(work_ccb); 1876 xpt_done(request_ccb); 1877 return; 1878 } 1879 1880 /* We may need to reset bus first, if we haven't done it yet. */ 1881 if ((work_ccb->cpi.hba_inquiry & 1882 (PI_WIDE_32|PI_WIDE_16|PI_SDTR_ABLE)) && 1883 !(work_ccb->cpi.hba_misc & PIM_NOBUSRESET) && 1884 !timevalisset(&request_ccb->ccb_h.path->bus->last_reset) && 1885 (reset_ccb = xpt_alloc_ccb_nowait()) != NULL) { 1886 xpt_setup_ccb(&reset_ccb->ccb_h, request_ccb->ccb_h.path, 1887 CAM_PRIORITY_NONE); 1888 reset_ccb->ccb_h.func_code = XPT_RESET_BUS; 1889 xpt_action(reset_ccb); 1890 if (reset_ccb->ccb_h.status != CAM_REQ_CMP) { 1891 request_ccb->ccb_h.status = reset_ccb->ccb_h.status; 1892 xpt_free_ccb(reset_ccb); 1893 xpt_free_ccb(work_ccb); 1894 xpt_done(request_ccb); 1895 return; 1896 } 1897 xpt_free_ccb(reset_ccb); 1898 } 1899 1900 /* Save some state for use while we probe for devices */ 1901 scan_info = (scsi_scan_bus_info *) malloc(sizeof(scsi_scan_bus_info) + 1902 (work_ccb->cpi.max_target * sizeof (u_int)), M_CAMXPT, M_ZERO|M_NOWAIT); 1903 if (scan_info == NULL) { 1904 request_ccb->ccb_h.status = CAM_RESRC_UNAVAIL; 1905 xpt_done(request_ccb); 1906 return; 1907 } 1908 CAM_DEBUG(request_ccb->ccb_h.path, CAM_DEBUG_TRACE, 1909 ("SCAN start for %p\n", scan_info)); 1910 scan_info->request_ccb = request_ccb; 1911 scan_info->cpi = &work_ccb->cpi; 1912 1913 /* Cache on our stack so we can work asynchronously */ 1914 max_target = scan_info->cpi->max_target; 1915 low_target = 0; 1916 initiator_id = scan_info->cpi->initiator_id; 1917 1918 1919 /* 1920 * We can scan all targets in parallel, or do it sequentially. 1921 */ 1922 1923 if (request_ccb->ccb_h.func_code == XPT_SCAN_TGT) { 1924 max_target = low_target = request_ccb->ccb_h.target_id; 1925 scan_info->counter = 0; 1926 } else if (scan_info->cpi->hba_misc & PIM_SEQSCAN) { 1927 max_target = 0; 1928 scan_info->counter = 0; 1929 } else { 1930 scan_info->counter = scan_info->cpi->max_target + 1; 1931 if (scan_info->cpi->initiator_id < scan_info->counter) { 1932 scan_info->counter--; 1933 } 1934 } 1935 1936 for (i = low_target; i <= max_target; i++) { 1937 cam_status status; 1938 if (i == initiator_id) 1939 continue; 1940 1941 status = xpt_create_path(&path, NULL, 1942 request_ccb->ccb_h.path_id, 1943 i, 0); 1944 if (status != CAM_REQ_CMP) { 1945 printf("scsi_scan_bus: xpt_create_path failed" 1946 " with status %#x, bus scan halted\n", 1947 status); 1948 free(scan_info, M_CAMXPT); 1949 request_ccb->ccb_h.status = status; 1950 xpt_free_ccb(work_ccb); 1951 xpt_done(request_ccb); 1952 break; 1953 } 1954 work_ccb = xpt_alloc_ccb_nowait(); 1955 if (work_ccb == NULL) { 1956 xpt_free_ccb((union ccb *)scan_info->cpi); 1957 free(scan_info, M_CAMXPT); 1958 xpt_free_path(path); 1959 request_ccb->ccb_h.status = CAM_RESRC_UNAVAIL; 1960 xpt_done(request_ccb); 1961 break; 1962 } 1963 xpt_setup_ccb(&work_ccb->ccb_h, path, 1964 request_ccb->ccb_h.pinfo.priority); 1965 work_ccb->ccb_h.func_code = XPT_SCAN_LUN; 1966 work_ccb->ccb_h.cbfcnp = scsi_scan_bus; 1967 work_ccb->ccb_h.ppriv_ptr0 = scan_info; 1968 work_ccb->crcn.flags = request_ccb->crcn.flags; 1969 xpt_action(work_ccb); 1970 } 1971 break; 1972 } 1973 case XPT_SCAN_LUN: 1974 { 1975 cam_status status; 1976 struct cam_path *path, *oldpath; 1977 scsi_scan_bus_info *scan_info; 1978 struct cam_et *target; 1979 struct cam_ed *device; 1980 int next_target; 1981 path_id_t path_id; 1982 target_id_t target_id; 1983 lun_id_t lun_id; 1984 1985 oldpath = request_ccb->ccb_h.path; 1986 1987 status = cam_ccb_status(request_ccb); 1988 /* Reuse the same CCB to query if a device was really found */ 1989 scan_info = (scsi_scan_bus_info *)request_ccb->ccb_h.ppriv_ptr0; 1990 xpt_setup_ccb(&request_ccb->ccb_h, request_ccb->ccb_h.path, 1991 request_ccb->ccb_h.pinfo.priority); 1992 request_ccb->ccb_h.func_code = XPT_GDEV_TYPE; 1993 1994 1995 path_id = request_ccb->ccb_h.path_id; 1996 target_id = request_ccb->ccb_h.target_id; 1997 lun_id = request_ccb->ccb_h.target_lun; 1998 xpt_action(request_ccb); 1999 2000 target = request_ccb->ccb_h.path->target; 2001 next_target = 1; 2002 2003 if (target->luns) { 2004 uint32_t first; 2005 u_int nluns = scsi_4btoul(target->luns->length) / 8; 2006 2007 /* 2008 * Make sure we skip over lun 0 if it's the first member 2009 * of the list as we've actually just finished probing 2010 * it. 2011 */ 2012 CAM_GET_SIMPLE_LUN(target->luns, 0, first); 2013 if (first == 0 && scan_info->lunindex[target_id] == 0) { 2014 scan_info->lunindex[target_id]++; 2015 } 2016 2017 if (scan_info->lunindex[target_id] < nluns) { 2018 CAM_GET_SIMPLE_LUN(target->luns, 2019 scan_info->lunindex[target_id], lun_id); 2020 next_target = 0; 2021 CAM_DEBUG(request_ccb->ccb_h.path, 2022 CAM_DEBUG_PROBE, 2023 ("next lun to try at index %u is %u\n", 2024 scan_info->lunindex[target_id], lun_id)); 2025 scan_info->lunindex[target_id]++; 2026 } else { 2027 /* 2028 * We're done with scanning all luns. 2029 * 2030 * Nuke the bogus device for lun 0 if lun 0 2031 * wasn't on the list. 2032 */ 2033 if (first != 0) { 2034 TAILQ_FOREACH(device, 2035 &target->ed_entries, links) { 2036 if (device->lun_id == 0) { 2037 break; 2038 } 2039 } 2040 if (device) { 2041 xpt_release_device(device); 2042 } 2043 } 2044 } 2045 } else if (request_ccb->ccb_h.status != CAM_REQ_CMP) { 2046 int phl; 2047 2048 /* 2049 * If we already probed lun 0 successfully, or 2050 * we have additional configured luns on this 2051 * target that might have "gone away", go onto 2052 * the next lun. 2053 */ 2054 /* 2055 * We may touch devices that we don't 2056 * hold references too, so ensure they 2057 * don't disappear out from under us. 2058 * The target above is referenced by the 2059 * path in the request ccb. 2060 */ 2061 phl = 0; 2062 device = TAILQ_FIRST(&target->ed_entries); 2063 if (device != NULL) { 2064 phl = CAN_SRCH_HI_SPARSE(device); 2065 if (device->lun_id == 0) 2066 device = TAILQ_NEXT(device, links); 2067 } 2068 if ((lun_id != 0) || (device != NULL)) { 2069 if (lun_id < (CAM_SCSI2_MAXLUN-1) || phl) { 2070 lun_id++; 2071 next_target = 0; 2072 } 2073 } 2074 if (lun_id == request_ccb->ccb_h.target_lun 2075 || lun_id > scan_info->cpi->max_lun) 2076 next_target = 1; 2077 } else { 2078 2079 device = request_ccb->ccb_h.path->device; 2080 2081 if ((SCSI_QUIRK(device)->quirks & 2082 CAM_QUIRK_NOLUNS) == 0) { 2083 /* Try the next lun */ 2084 if (lun_id < (CAM_SCSI2_MAXLUN-1) 2085 || CAN_SRCH_HI_DENSE(device)) { 2086 lun_id++; 2087 next_target = 0; 2088 } 2089 } 2090 if (lun_id == request_ccb->ccb_h.target_lun 2091 || lun_id > scan_info->cpi->max_lun) 2092 next_target = 1; 2093 } 2094 2095 /* 2096 * Check to see if we scan any further luns. 2097 */ 2098 if (next_target) { 2099 int done; 2100 2101 /* 2102 * Free the current request path- we're done with it. 2103 */ 2104 xpt_free_path(oldpath); 2105 hop_again: 2106 done = 0; 2107 if (scan_info->request_ccb->ccb_h.func_code == XPT_SCAN_TGT) { 2108 done = 1; 2109 } else if (scan_info->cpi->hba_misc & PIM_SEQSCAN) { 2110 scan_info->counter++; 2111 if (scan_info->counter == 2112 scan_info->cpi->initiator_id) { 2113 scan_info->counter++; 2114 } 2115 if (scan_info->counter >= 2116 scan_info->cpi->max_target+1) { 2117 done = 1; 2118 } 2119 } else { 2120 scan_info->counter--; 2121 if (scan_info->counter == 0) { 2122 done = 1; 2123 } 2124 } 2125 if (done) { 2126 xpt_free_ccb(request_ccb); 2127 xpt_free_ccb((union ccb *)scan_info->cpi); 2128 request_ccb = scan_info->request_ccb; 2129 CAM_DEBUG(request_ccb->ccb_h.path, 2130 CAM_DEBUG_TRACE, 2131 ("SCAN done for %p\n", scan_info)); 2132 free(scan_info, M_CAMXPT); 2133 request_ccb->ccb_h.status = CAM_REQ_CMP; 2134 xpt_done(request_ccb); 2135 break; 2136 } 2137 2138 if ((scan_info->cpi->hba_misc & PIM_SEQSCAN) == 0) { 2139 xpt_free_ccb(request_ccb); 2140 break; 2141 } 2142 status = xpt_create_path(&path, NULL, 2143 scan_info->request_ccb->ccb_h.path_id, 2144 scan_info->counter, 0); 2145 if (status != CAM_REQ_CMP) { 2146 printf("scsi_scan_bus: xpt_create_path failed" 2147 " with status %#x, bus scan halted\n", 2148 status); 2149 xpt_free_ccb(request_ccb); 2150 xpt_free_ccb((union ccb *)scan_info->cpi); 2151 request_ccb = scan_info->request_ccb; 2152 free(scan_info, M_CAMXPT); 2153 request_ccb->ccb_h.status = status; 2154 xpt_done(request_ccb); 2155 break; 2156 } 2157 xpt_setup_ccb(&request_ccb->ccb_h, path, 2158 request_ccb->ccb_h.pinfo.priority); 2159 request_ccb->ccb_h.func_code = XPT_SCAN_LUN; 2160 request_ccb->ccb_h.cbfcnp = scsi_scan_bus; 2161 request_ccb->ccb_h.ppriv_ptr0 = scan_info; 2162 request_ccb->crcn.flags = 2163 scan_info->request_ccb->crcn.flags; 2164 } else { 2165 status = xpt_create_path(&path, NULL, 2166 path_id, target_id, lun_id); 2167 /* 2168 * Free the old request path- we're done with it. We 2169 * do this *after* creating the new path so that 2170 * we don't remove a target that has our lun list 2171 * in the case that lun 0 is not present. 2172 */ 2173 xpt_free_path(oldpath); 2174 if (status != CAM_REQ_CMP) { 2175 printf("scsi_scan_bus: xpt_create_path failed " 2176 "with status %#x, halting LUN scan\n", 2177 status); 2178 goto hop_again; 2179 } 2180 xpt_setup_ccb(&request_ccb->ccb_h, path, 2181 request_ccb->ccb_h.pinfo.priority); 2182 request_ccb->ccb_h.func_code = XPT_SCAN_LUN; 2183 request_ccb->ccb_h.cbfcnp = scsi_scan_bus; 2184 request_ccb->ccb_h.ppriv_ptr0 = scan_info; 2185 request_ccb->crcn.flags = 2186 scan_info->request_ccb->crcn.flags; 2187 } 2188 xpt_action(request_ccb); 2189 break; 2190 } 2191 default: 2192 break; 2193 } 2194} 2195 2196static void 2197scsi_scan_lun(struct cam_periph *periph, struct cam_path *path, 2198 cam_flags flags, union ccb *request_ccb) 2199{ 2200 struct ccb_pathinq cpi; 2201 cam_status status; 2202 struct cam_path *new_path; 2203 struct cam_periph *old_periph; 2204 2205 CAM_DEBUG(path, CAM_DEBUG_TRACE, ("scsi_scan_lun\n")); 2206 2207 xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NONE); 2208 cpi.ccb_h.func_code = XPT_PATH_INQ; 2209 xpt_action((union ccb *)&cpi); 2210 2211 if (cpi.ccb_h.status != CAM_REQ_CMP) { 2212 if (request_ccb != NULL) { 2213 request_ccb->ccb_h.status = cpi.ccb_h.status; 2214 xpt_done(request_ccb); 2215 } 2216 return; 2217 } 2218 2219 if ((cpi.hba_misc & PIM_NOINITIATOR) != 0) { 2220 /* 2221 * Can't scan the bus on an adapter that 2222 * cannot perform the initiator role. 2223 */ 2224 if (request_ccb != NULL) { 2225 request_ccb->ccb_h.status = CAM_REQ_CMP; 2226 xpt_done(request_ccb); 2227 } 2228 return; 2229 } 2230 2231 if (request_ccb == NULL) { 2232 request_ccb = xpt_alloc_ccb_nowait(); 2233 if (request_ccb == NULL) { 2234 xpt_print(path, "scsi_scan_lun: can't allocate CCB, " 2235 "can't continue\n"); 2236 return; 2237 } 2238 status = xpt_create_path(&new_path, NULL, 2239 path->bus->path_id, 2240 path->target->target_id, 2241 path->device->lun_id); 2242 if (status != CAM_REQ_CMP) { 2243 xpt_print(path, "scsi_scan_lun: can't create path, " 2244 "can't continue\n"); 2245 xpt_free_ccb(request_ccb); 2246 return; 2247 } 2248 xpt_setup_ccb(&request_ccb->ccb_h, new_path, CAM_PRIORITY_XPT); 2249 request_ccb->ccb_h.cbfcnp = xptscandone; 2250 request_ccb->ccb_h.func_code = XPT_SCAN_LUN; 2251 request_ccb->crcn.flags = flags; 2252 } 2253 2254 if ((old_periph = cam_periph_find(path, "probe")) != NULL) { 2255 if ((old_periph->flags & CAM_PERIPH_INVALID) == 0) { 2256 probe_softc *softc; 2257 2258 softc = (probe_softc *)old_periph->softc; 2259 TAILQ_INSERT_TAIL(&softc->request_ccbs, 2260 &request_ccb->ccb_h, periph_links.tqe); 2261 } else { 2262 request_ccb->ccb_h.status = CAM_REQ_CMP_ERR; 2263 xpt_done(request_ccb); 2264 } 2265 } else { 2266 status = cam_periph_alloc(proberegister, NULL, probecleanup, 2267 probestart, "probe", 2268 CAM_PERIPH_BIO, 2269 request_ccb->ccb_h.path, NULL, 0, 2270 request_ccb); 2271 2272 if (status != CAM_REQ_CMP) { 2273 xpt_print(path, "scsi_scan_lun: cam_alloc_periph " 2274 "returned an error, can't continue probe\n"); 2275 request_ccb->ccb_h.status = status; 2276 xpt_done(request_ccb); 2277 } 2278 } 2279} 2280 2281static void 2282xptscandone(struct cam_periph *periph, union ccb *done_ccb) 2283{ 2284 2285 xpt_free_path(done_ccb->ccb_h.path); 2286 xpt_free_ccb(done_ccb); 2287} 2288 2289static struct cam_ed * 2290scsi_alloc_device(struct cam_eb *bus, struct cam_et *target, lun_id_t lun_id) 2291{ 2292 struct cam_path path; 2293 struct scsi_quirk_entry *quirk; 2294 struct cam_ed *device; 2295 2296 device = xpt_alloc_device(bus, target, lun_id); 2297 if (device == NULL) 2298 return (NULL); 2299 2300 /* 2301 * Take the default quirk entry until we have inquiry 2302 * data and can determine a better quirk to use. 2303 */ 2304 quirk = &scsi_quirk_table[scsi_quirk_table_size - 1]; 2305 device->quirk = (void *)quirk; 2306 device->mintags = quirk->mintags; 2307 device->maxtags = quirk->maxtags; 2308 bzero(&device->inq_data, sizeof(device->inq_data)); 2309 device->inq_flags = 0; 2310 device->queue_flags = 0; 2311 device->serial_num = NULL; 2312 device->serial_num_len = 0; 2313 device->device_id = NULL; 2314 device->device_id_len = 0; 2315 device->supported_vpds = NULL; 2316 device->supported_vpds_len = 0; 2317 2318 /* 2319 * XXX should be limited by number of CCBs this bus can 2320 * do. 2321 */ 2322 bus->sim->max_ccbs += device->ccbq.devq_openings; 2323 if (lun_id != CAM_LUN_WILDCARD) { 2324 xpt_compile_path(&path, 2325 NULL, 2326 bus->path_id, 2327 target->target_id, 2328 lun_id); 2329 scsi_devise_transport(&path); 2330 xpt_release_path(&path); 2331 } 2332 2333 return (device); 2334} 2335 2336static void 2337scsi_devise_transport(struct cam_path *path) 2338{ 2339 struct ccb_pathinq cpi; 2340 struct ccb_trans_settings cts; 2341 struct scsi_inquiry_data *inq_buf; 2342 2343 /* Get transport information from the SIM */ 2344 xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NONE); 2345 cpi.ccb_h.func_code = XPT_PATH_INQ; 2346 xpt_action((union ccb *)&cpi); 2347 2348 inq_buf = NULL; 2349 if ((path->device->flags & CAM_DEV_INQUIRY_DATA_VALID) != 0) 2350 inq_buf = &path->device->inq_data; 2351 path->device->protocol = PROTO_SCSI; 2352 path->device->protocol_version = 2353 inq_buf != NULL ? SID_ANSI_REV(inq_buf) : cpi.protocol_version; 2354 path->device->transport = cpi.transport; 2355 path->device->transport_version = cpi.transport_version; 2356 2357 /* 2358 * Any device not using SPI3 features should 2359 * be considered SPI2 or lower. 2360 */ 2361 if (inq_buf != NULL) { 2362 if (path->device->transport == XPORT_SPI 2363 && (inq_buf->spi3data & SID_SPI_MASK) == 0 2364 && path->device->transport_version > 2) 2365 path->device->transport_version = 2; 2366 } else { 2367 struct cam_ed* otherdev; 2368 2369 for (otherdev = TAILQ_FIRST(&path->target->ed_entries); 2370 otherdev != NULL; 2371 otherdev = TAILQ_NEXT(otherdev, links)) { 2372 if (otherdev != path->device) 2373 break; 2374 } 2375 2376 if (otherdev != NULL) { 2377 /* 2378 * Initially assume the same versioning as 2379 * prior luns for this target. 2380 */ 2381 path->device->protocol_version = 2382 otherdev->protocol_version; 2383 path->device->transport_version = 2384 otherdev->transport_version; 2385 } else { 2386 /* Until we know better, opt for safty */ 2387 path->device->protocol_version = 2; 2388 if (path->device->transport == XPORT_SPI) 2389 path->device->transport_version = 2; 2390 else 2391 path->device->transport_version = 0; 2392 } 2393 } 2394 2395 /* 2396 * XXX 2397 * For a device compliant with SPC-2 we should be able 2398 * to determine the transport version supported by 2399 * scrutinizing the version descriptors in the 2400 * inquiry buffer. 2401 */ 2402 2403 /* Tell the controller what we think */ 2404 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 2405 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 2406 cts.type = CTS_TYPE_CURRENT_SETTINGS; 2407 cts.transport = path->device->transport; 2408 cts.transport_version = path->device->transport_version; 2409 cts.protocol = path->device->protocol; 2410 cts.protocol_version = path->device->protocol_version; 2411 cts.proto_specific.valid = 0; 2412 cts.xport_specific.valid = 0; 2413 xpt_action((union ccb *)&cts); 2414} 2415 2416static void 2417scsi_dev_advinfo(union ccb *start_ccb) 2418{ 2419 struct cam_ed *device; 2420 struct ccb_dev_advinfo *cdai; 2421 off_t amt; 2422 2423 start_ccb->ccb_h.status = CAM_REQ_INVALID; 2424 device = start_ccb->ccb_h.path->device; 2425 cdai = &start_ccb->cdai; 2426 switch(cdai->buftype) { 2427 case CDAI_TYPE_SCSI_DEVID: 2428 if (cdai->flags & CDAI_FLAG_STORE) 2429 return; 2430 cdai->provsiz = device->device_id_len; 2431 if (device->device_id_len == 0) 2432 break; 2433 amt = device->device_id_len; 2434 if (cdai->provsiz > cdai->bufsiz) 2435 amt = cdai->bufsiz; 2436 memcpy(cdai->buf, device->device_id, amt); 2437 break; 2438 case CDAI_TYPE_SERIAL_NUM: 2439 if (cdai->flags & CDAI_FLAG_STORE) 2440 return; 2441 cdai->provsiz = device->serial_num_len; 2442 if (device->serial_num_len == 0) 2443 break; 2444 amt = device->serial_num_len; 2445 if (cdai->provsiz > cdai->bufsiz) 2446 amt = cdai->bufsiz; 2447 memcpy(cdai->buf, device->serial_num, amt); 2448 break; 2449 case CDAI_TYPE_PHYS_PATH: 2450 if (cdai->flags & CDAI_FLAG_STORE) { 2451 if (device->physpath != NULL) { 2452 free(device->physpath, M_CAMXPT); 2453 device->physpath = NULL; 2454 } 2455 device->physpath_len = cdai->bufsiz; 2456 /* Clear existing buffer if zero length */ 2457 if (cdai->bufsiz == 0) 2458 break; 2459 device->physpath = malloc(cdai->bufsiz, M_CAMXPT, M_NOWAIT); 2460 if (device->physpath == NULL) { 2461 start_ccb->ccb_h.status = CAM_REQ_ABORTED; 2462 return; 2463 } 2464 memcpy(device->physpath, cdai->buf, cdai->bufsiz); 2465 } else { 2466 cdai->provsiz = device->physpath_len; 2467 if (device->physpath_len == 0) 2468 break; 2469 amt = device->physpath_len; 2470 if (cdai->provsiz > cdai->bufsiz) 2471 amt = cdai->bufsiz; 2472 memcpy(cdai->buf, device->physpath, amt); 2473 } 2474 break; 2475 case CDAI_TYPE_RCAPLONG: 2476 if (cdai->flags & CDAI_FLAG_STORE) { 2477 if (device->rcap_buf != NULL) { 2478 free(device->rcap_buf, M_CAMXPT); 2479 device->rcap_buf = NULL; 2480 } 2481 2482 device->rcap_len = cdai->bufsiz; 2483 /* Clear existing buffer if zero length */ 2484 if (cdai->bufsiz == 0) 2485 break; 2486 2487 device->rcap_buf = malloc(cdai->bufsiz, M_CAMXPT, 2488 M_NOWAIT); 2489 if (device->rcap_buf == NULL) { 2490 start_ccb->ccb_h.status = CAM_REQ_ABORTED; 2491 return; 2492 } 2493 2494 memcpy(device->rcap_buf, cdai->buf, cdai->bufsiz); 2495 } else { 2496 cdai->provsiz = device->rcap_len; 2497 if (device->rcap_len == 0) 2498 break; 2499 amt = device->rcap_len; 2500 if (cdai->provsiz > cdai->bufsiz) 2501 amt = cdai->bufsiz; 2502 memcpy(cdai->buf, device->rcap_buf, amt); 2503 } 2504 break; 2505 default: 2506 return; 2507 } 2508 start_ccb->ccb_h.status = CAM_REQ_CMP; 2509 2510 if (cdai->flags & CDAI_FLAG_STORE) { 2511 int owned; 2512 2513 owned = mtx_owned(start_ccb->ccb_h.path->bus->sim->mtx); 2514 if (owned == 0) 2515 mtx_lock(start_ccb->ccb_h.path->bus->sim->mtx); 2516 xpt_async(AC_ADVINFO_CHANGED, start_ccb->ccb_h.path, 2517 (void *)(uintptr_t)cdai->buftype); 2518 if (owned == 0) 2519 mtx_unlock(start_ccb->ccb_h.path->bus->sim->mtx); 2520 } 2521} 2522 2523static void 2524scsi_action(union ccb *start_ccb) 2525{ 2526 2527 switch (start_ccb->ccb_h.func_code) { 2528 case XPT_SET_TRAN_SETTINGS: 2529 { 2530 scsi_set_transfer_settings(&start_ccb->cts, 2531 start_ccb->ccb_h.path->device, 2532 /*async_update*/FALSE); 2533 break; 2534 } 2535 case XPT_SCAN_BUS: 2536 case XPT_SCAN_TGT: 2537 scsi_scan_bus(start_ccb->ccb_h.path->periph, start_ccb); 2538 break; 2539 case XPT_SCAN_LUN: 2540 scsi_scan_lun(start_ccb->ccb_h.path->periph, 2541 start_ccb->ccb_h.path, start_ccb->crcn.flags, 2542 start_ccb); 2543 break; 2544 case XPT_GET_TRAN_SETTINGS: 2545 { 2546 struct cam_sim *sim; 2547 2548 sim = start_ccb->ccb_h.path->bus->sim; 2549 (*(sim->sim_action))(sim, start_ccb); 2550 break; 2551 } 2552 case XPT_DEV_ADVINFO: 2553 { 2554 scsi_dev_advinfo(start_ccb); 2555 break; 2556 } 2557 default: 2558 xpt_action_default(start_ccb); 2559 break; 2560 } 2561} 2562 2563static void 2564scsi_set_transfer_settings(struct ccb_trans_settings *cts, struct cam_ed *device, 2565 int async_update) 2566{ 2567 struct ccb_pathinq cpi; 2568 struct ccb_trans_settings cur_cts; 2569 struct ccb_trans_settings_scsi *scsi; 2570 struct ccb_trans_settings_scsi *cur_scsi; 2571 struct cam_sim *sim; 2572 struct scsi_inquiry_data *inq_data; 2573 2574 if (device == NULL) { 2575 cts->ccb_h.status = CAM_PATH_INVALID; 2576 xpt_done((union ccb *)cts); 2577 return; 2578 } 2579 2580 if (cts->protocol == PROTO_UNKNOWN 2581 || cts->protocol == PROTO_UNSPECIFIED) { 2582 cts->protocol = device->protocol; 2583 cts->protocol_version = device->protocol_version; 2584 } 2585 2586 if (cts->protocol_version == PROTO_VERSION_UNKNOWN 2587 || cts->protocol_version == PROTO_VERSION_UNSPECIFIED) 2588 cts->protocol_version = device->protocol_version; 2589 2590 if (cts->protocol != device->protocol) { 2591 xpt_print(cts->ccb_h.path, "Uninitialized Protocol %x:%x?\n", 2592 cts->protocol, device->protocol); 2593 cts->protocol = device->protocol; 2594 } 2595 2596 if (cts->protocol_version > device->protocol_version) { 2597 if (bootverbose) { 2598 xpt_print(cts->ccb_h.path, "Down reving Protocol " 2599 "Version from %d to %d?\n", cts->protocol_version, 2600 device->protocol_version); 2601 } 2602 cts->protocol_version = device->protocol_version; 2603 } 2604 2605 if (cts->transport == XPORT_UNKNOWN 2606 || cts->transport == XPORT_UNSPECIFIED) { 2607 cts->transport = device->transport; 2608 cts->transport_version = device->transport_version; 2609 } 2610 2611 if (cts->transport_version == XPORT_VERSION_UNKNOWN 2612 || cts->transport_version == XPORT_VERSION_UNSPECIFIED) 2613 cts->transport_version = device->transport_version; 2614 2615 if (cts->transport != device->transport) { 2616 xpt_print(cts->ccb_h.path, "Uninitialized Transport %x:%x?\n", 2617 cts->transport, device->transport); 2618 cts->transport = device->transport; 2619 } 2620 2621 if (cts->transport_version > device->transport_version) { 2622 if (bootverbose) { 2623 xpt_print(cts->ccb_h.path, "Down reving Transport " 2624 "Version from %d to %d?\n", cts->transport_version, 2625 device->transport_version); 2626 } 2627 cts->transport_version = device->transport_version; 2628 } 2629 2630 sim = cts->ccb_h.path->bus->sim; 2631 2632 /* 2633 * Nothing more of interest to do unless 2634 * this is a device connected via the 2635 * SCSI protocol. 2636 */ 2637 if (cts->protocol != PROTO_SCSI) { 2638 if (async_update == FALSE) 2639 (*(sim->sim_action))(sim, (union ccb *)cts); 2640 return; 2641 } 2642 2643 inq_data = &device->inq_data; 2644 scsi = &cts->proto_specific.scsi; 2645 xpt_setup_ccb(&cpi.ccb_h, cts->ccb_h.path, CAM_PRIORITY_NONE); 2646 cpi.ccb_h.func_code = XPT_PATH_INQ; 2647 xpt_action((union ccb *)&cpi); 2648 2649 /* SCSI specific sanity checking */ 2650 if ((cpi.hba_inquiry & PI_TAG_ABLE) == 0 2651 || (INQ_DATA_TQ_ENABLED(inq_data)) == 0 2652 || (device->queue_flags & SCP_QUEUE_DQUE) != 0 2653 || (device->mintags == 0)) { 2654 /* 2655 * Can't tag on hardware that doesn't support tags, 2656 * doesn't have it enabled, or has broken tag support. 2657 */ 2658 scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB; 2659 } 2660 2661 if (async_update == FALSE) { 2662 /* 2663 * Perform sanity checking against what the 2664 * controller and device can do. 2665 */ 2666 xpt_setup_ccb(&cur_cts.ccb_h, cts->ccb_h.path, CAM_PRIORITY_NONE); 2667 cur_cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 2668 cur_cts.type = cts->type; 2669 xpt_action((union ccb *)&cur_cts); 2670 if (cam_ccb_status((union ccb *)&cur_cts) != CAM_REQ_CMP) { 2671 return; 2672 } 2673 cur_scsi = &cur_cts.proto_specific.scsi; 2674 if ((scsi->valid & CTS_SCSI_VALID_TQ) == 0) { 2675 scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB; 2676 scsi->flags |= cur_scsi->flags & CTS_SCSI_FLAGS_TAG_ENB; 2677 } 2678 if ((cur_scsi->valid & CTS_SCSI_VALID_TQ) == 0) 2679 scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB; 2680 } 2681 2682 /* SPI specific sanity checking */ 2683 if (cts->transport == XPORT_SPI && async_update == FALSE) { 2684 u_int spi3caps; 2685 struct ccb_trans_settings_spi *spi; 2686 struct ccb_trans_settings_spi *cur_spi; 2687 2688 spi = &cts->xport_specific.spi; 2689 2690 cur_spi = &cur_cts.xport_specific.spi; 2691 2692 /* Fill in any gaps in what the user gave us */ 2693 if ((spi->valid & CTS_SPI_VALID_SYNC_RATE) == 0) 2694 spi->sync_period = cur_spi->sync_period; 2695 if ((cur_spi->valid & CTS_SPI_VALID_SYNC_RATE) == 0) 2696 spi->sync_period = 0; 2697 if ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) == 0) 2698 spi->sync_offset = cur_spi->sync_offset; 2699 if ((cur_spi->valid & CTS_SPI_VALID_SYNC_OFFSET) == 0) 2700 spi->sync_offset = 0; 2701 if ((spi->valid & CTS_SPI_VALID_PPR_OPTIONS) == 0) 2702 spi->ppr_options = cur_spi->ppr_options; 2703 if ((cur_spi->valid & CTS_SPI_VALID_PPR_OPTIONS) == 0) 2704 spi->ppr_options = 0; 2705 if ((spi->valid & CTS_SPI_VALID_BUS_WIDTH) == 0) 2706 spi->bus_width = cur_spi->bus_width; 2707 if ((cur_spi->valid & CTS_SPI_VALID_BUS_WIDTH) == 0) 2708 spi->bus_width = 0; 2709 if ((spi->valid & CTS_SPI_VALID_DISC) == 0) { 2710 spi->flags &= ~CTS_SPI_FLAGS_DISC_ENB; 2711 spi->flags |= cur_spi->flags & CTS_SPI_FLAGS_DISC_ENB; 2712 } 2713 if ((cur_spi->valid & CTS_SPI_VALID_DISC) == 0) 2714 spi->flags &= ~CTS_SPI_FLAGS_DISC_ENB; 2715 if (((device->flags & CAM_DEV_INQUIRY_DATA_VALID) != 0 2716 && (inq_data->flags & SID_Sync) == 0 2717 && cts->type == CTS_TYPE_CURRENT_SETTINGS) 2718 || ((cpi.hba_inquiry & PI_SDTR_ABLE) == 0)) { 2719 /* Force async */ 2720 spi->sync_period = 0; 2721 spi->sync_offset = 0; 2722 } 2723 2724 switch (spi->bus_width) { 2725 case MSG_EXT_WDTR_BUS_32_BIT: 2726 if (((device->flags & CAM_DEV_INQUIRY_DATA_VALID) == 0 2727 || (inq_data->flags & SID_WBus32) != 0 2728 || cts->type == CTS_TYPE_USER_SETTINGS) 2729 && (cpi.hba_inquiry & PI_WIDE_32) != 0) 2730 break; 2731 /* Fall Through to 16-bit */ 2732 case MSG_EXT_WDTR_BUS_16_BIT: 2733 if (((device->flags & CAM_DEV_INQUIRY_DATA_VALID) == 0 2734 || (inq_data->flags & SID_WBus16) != 0 2735 || cts->type == CTS_TYPE_USER_SETTINGS) 2736 && (cpi.hba_inquiry & PI_WIDE_16) != 0) { 2737 spi->bus_width = MSG_EXT_WDTR_BUS_16_BIT; 2738 break; 2739 } 2740 /* Fall Through to 8-bit */ 2741 default: /* New bus width?? */ 2742 case MSG_EXT_WDTR_BUS_8_BIT: 2743 /* All targets can do this */ 2744 spi->bus_width = MSG_EXT_WDTR_BUS_8_BIT; 2745 break; 2746 } 2747 2748 spi3caps = cpi.xport_specific.spi.ppr_options; 2749 if ((device->flags & CAM_DEV_INQUIRY_DATA_VALID) != 0 2750 && cts->type == CTS_TYPE_CURRENT_SETTINGS) 2751 spi3caps &= inq_data->spi3data; 2752 2753 if ((spi3caps & SID_SPI_CLOCK_DT) == 0) 2754 spi->ppr_options &= ~MSG_EXT_PPR_DT_REQ; 2755 2756 if ((spi3caps & SID_SPI_IUS) == 0) 2757 spi->ppr_options &= ~MSG_EXT_PPR_IU_REQ; 2758 2759 if ((spi3caps & SID_SPI_QAS) == 0) 2760 spi->ppr_options &= ~MSG_EXT_PPR_QAS_REQ; 2761 2762 /* No SPI Transfer settings are allowed unless we are wide */ 2763 if (spi->bus_width == 0) 2764 spi->ppr_options = 0; 2765 2766 if ((spi->valid & CTS_SPI_VALID_DISC) 2767 && ((spi->flags & CTS_SPI_FLAGS_DISC_ENB) == 0)) { 2768 /* 2769 * Can't tag queue without disconnection. 2770 */ 2771 scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB; 2772 scsi->valid |= CTS_SCSI_VALID_TQ; 2773 } 2774 2775 /* 2776 * If we are currently performing tagged transactions to 2777 * this device and want to change its negotiation parameters, 2778 * go non-tagged for a bit to give the controller a chance to 2779 * negotiate unhampered by tag messages. 2780 */ 2781 if (cts->type == CTS_TYPE_CURRENT_SETTINGS 2782 && (device->inq_flags & SID_CmdQue) != 0 2783 && (scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0 2784 && (spi->flags & (CTS_SPI_VALID_SYNC_RATE| 2785 CTS_SPI_VALID_SYNC_OFFSET| 2786 CTS_SPI_VALID_BUS_WIDTH)) != 0) 2787 scsi_toggle_tags(cts->ccb_h.path); 2788 } 2789 2790 if (cts->type == CTS_TYPE_CURRENT_SETTINGS 2791 && (scsi->valid & CTS_SCSI_VALID_TQ) != 0) { 2792 int device_tagenb; 2793 2794 /* 2795 * If we are transitioning from tags to no-tags or 2796 * vice-versa, we need to carefully freeze and restart 2797 * the queue so that we don't overlap tagged and non-tagged 2798 * commands. We also temporarily stop tags if there is 2799 * a change in transfer negotiation settings to allow 2800 * "tag-less" negotiation. 2801 */ 2802 if ((device->flags & CAM_DEV_TAG_AFTER_COUNT) != 0 2803 || (device->inq_flags & SID_CmdQue) != 0) 2804 device_tagenb = TRUE; 2805 else 2806 device_tagenb = FALSE; 2807 2808 if (((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0 2809 && device_tagenb == FALSE) 2810 || ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) == 0 2811 && device_tagenb == TRUE)) { 2812 2813 if ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0) { 2814 /* 2815 * Delay change to use tags until after a 2816 * few commands have gone to this device so 2817 * the controller has time to perform transfer 2818 * negotiations without tagged messages getting 2819 * in the way. 2820 */ 2821 device->tag_delay_count = CAM_TAG_DELAY_COUNT; 2822 device->flags |= CAM_DEV_TAG_AFTER_COUNT; 2823 } else { 2824 xpt_stop_tags(cts->ccb_h.path); 2825 } 2826 } 2827 } 2828 if (async_update == FALSE) 2829 (*(sim->sim_action))(sim, (union ccb *)cts); 2830} 2831 2832static void 2833scsi_toggle_tags(struct cam_path *path) 2834{ 2835 struct cam_ed *dev; 2836 2837 /* 2838 * Give controllers a chance to renegotiate 2839 * before starting tag operations. We 2840 * "toggle" tagged queuing off then on 2841 * which causes the tag enable command delay 2842 * counter to come into effect. 2843 */ 2844 dev = path->device; 2845 if ((dev->flags & CAM_DEV_TAG_AFTER_COUNT) != 0 2846 || ((dev->inq_flags & SID_CmdQue) != 0 2847 && (dev->inq_flags & (SID_Sync|SID_WBus16|SID_WBus32)) != 0)) { 2848 struct ccb_trans_settings cts; 2849 2850 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 2851 cts.protocol = PROTO_SCSI; 2852 cts.protocol_version = PROTO_VERSION_UNSPECIFIED; 2853 cts.transport = XPORT_UNSPECIFIED; 2854 cts.transport_version = XPORT_VERSION_UNSPECIFIED; 2855 cts.proto_specific.scsi.flags = 0; 2856 cts.proto_specific.scsi.valid = CTS_SCSI_VALID_TQ; 2857 scsi_set_transfer_settings(&cts, path->device, 2858 /*async_update*/TRUE); 2859 cts.proto_specific.scsi.flags = CTS_SCSI_FLAGS_TAG_ENB; 2860 scsi_set_transfer_settings(&cts, path->device, 2861 /*async_update*/TRUE); 2862 } 2863} 2864 2865/* 2866 * Handle any per-device event notifications that require action by the XPT. 2867 */ 2868static void 2869scsi_dev_async(u_int32_t async_code, struct cam_eb *bus, struct cam_et *target, 2870 struct cam_ed *device, void *async_arg) 2871{ 2872 cam_status status; 2873 struct cam_path newpath; 2874 2875 /* 2876 * We only need to handle events for real devices. 2877 */ 2878 if (target->target_id == CAM_TARGET_WILDCARD 2879 || device->lun_id == CAM_LUN_WILDCARD) 2880 return; 2881 2882 /* 2883 * We need our own path with wildcards expanded to 2884 * handle certain types of events. 2885 */ 2886 if ((async_code == AC_SENT_BDR) 2887 || (async_code == AC_BUS_RESET) 2888 || (async_code == AC_INQ_CHANGED)) 2889 status = xpt_compile_path(&newpath, NULL, 2890 bus->path_id, 2891 target->target_id, 2892 device->lun_id); 2893 else 2894 status = CAM_REQ_CMP_ERR; 2895 2896 if (status == CAM_REQ_CMP) { 2897 2898 /* 2899 * Allow transfer negotiation to occur in a 2900 * tag free environment and after settle delay. 2901 */ 2902 if (async_code == AC_SENT_BDR 2903 || async_code == AC_BUS_RESET) { 2904 cam_freeze_devq(&newpath); 2905 cam_release_devq(&newpath, 2906 RELSIM_RELEASE_AFTER_TIMEOUT, 2907 /*reduction*/0, 2908 /*timeout*/scsi_delay, 2909 /*getcount_only*/0); 2910 scsi_toggle_tags(&newpath); 2911 } 2912 2913 if (async_code == AC_INQ_CHANGED) { 2914 /* 2915 * We've sent a start unit command, or 2916 * something similar to a device that 2917 * may have caused its inquiry data to 2918 * change. So we re-scan the device to 2919 * refresh the inquiry data for it. 2920 */ 2921 scsi_scan_lun(newpath.periph, &newpath, 2922 CAM_EXPECT_INQ_CHANGE, NULL); 2923 } 2924 xpt_release_path(&newpath); 2925 } else if (async_code == AC_LOST_DEVICE && 2926 (device->flags & CAM_DEV_UNCONFIGURED) == 0) { 2927 device->flags |= CAM_DEV_UNCONFIGURED; 2928 xpt_release_device(device); 2929 } else if (async_code == AC_TRANSFER_NEG) { 2930 struct ccb_trans_settings *settings; 2931 2932 settings = (struct ccb_trans_settings *)async_arg; 2933 scsi_set_transfer_settings(settings, device, 2934 /*async_update*/TRUE); 2935 } 2936} 2937 2938static void 2939scsi_announce_periph(struct cam_periph *periph) 2940{ 2941 struct ccb_pathinq cpi; 2942 struct ccb_trans_settings cts; 2943 struct cam_path *path = periph->path; 2944 u_int speed; 2945 u_int freq; 2946 u_int mb; 2947 2948 mtx_assert(periph->sim->mtx, MA_OWNED); 2949 2950 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NORMAL); 2951 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 2952 cts.type = CTS_TYPE_CURRENT_SETTINGS; 2953 xpt_action((union ccb*)&cts); 2954 if (cam_ccb_status((union ccb *)&cts) != CAM_REQ_CMP) 2955 return; 2956 /* Ask the SIM for its base transfer speed */ 2957 xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NORMAL); 2958 cpi.ccb_h.func_code = XPT_PATH_INQ; 2959 xpt_action((union ccb *)&cpi); 2960 /* Report connection speed */ 2961 speed = cpi.base_transfer_speed; 2962 freq = 0; 2963 if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_SPI) { 2964 struct ccb_trans_settings_spi *spi = 2965 &cts.xport_specific.spi; 2966 2967 if ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) != 0 2968 && spi->sync_offset != 0) { 2969 freq = scsi_calc_syncsrate(spi->sync_period); 2970 speed = freq; 2971 } 2972 if ((spi->valid & CTS_SPI_VALID_BUS_WIDTH) != 0) 2973 speed *= (0x01 << spi->bus_width); 2974 } 2975 if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_FC) { 2976 struct ccb_trans_settings_fc *fc = 2977 &cts.xport_specific.fc; 2978 2979 if (fc->valid & CTS_FC_VALID_SPEED) 2980 speed = fc->bitrate; 2981 } 2982 if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_SAS) { 2983 struct ccb_trans_settings_sas *sas = 2984 &cts.xport_specific.sas; 2985 2986 if (sas->valid & CTS_SAS_VALID_SPEED) 2987 speed = sas->bitrate; 2988 } 2989 mb = speed / 1000; 2990 if (mb > 0) 2991 printf("%s%d: %d.%03dMB/s transfers", 2992 periph->periph_name, periph->unit_number, 2993 mb, speed % 1000); 2994 else 2995 printf("%s%d: %dKB/s transfers", periph->periph_name, 2996 periph->unit_number, speed); 2997 /* Report additional information about SPI connections */ 2998 if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_SPI) { 2999 struct ccb_trans_settings_spi *spi; 3000 3001 spi = &cts.xport_specific.spi; 3002 if (freq != 0) { 3003 printf(" (%d.%03dMHz%s, offset %d", freq / 1000, 3004 freq % 1000, 3005 (spi->ppr_options & MSG_EXT_PPR_DT_REQ) != 0 3006 ? " DT" : "", 3007 spi->sync_offset); 3008 } 3009 if ((spi->valid & CTS_SPI_VALID_BUS_WIDTH) != 0 3010 && spi->bus_width > 0) { 3011 if (freq != 0) { 3012 printf(", "); 3013 } else { 3014 printf(" ("); 3015 } 3016 printf("%dbit)", 8 * (0x01 << spi->bus_width)); 3017 } else if (freq != 0) { 3018 printf(")"); 3019 } 3020 } 3021 if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_FC) { 3022 struct ccb_trans_settings_fc *fc; 3023 3024 fc = &cts.xport_specific.fc; 3025 if (fc->valid & CTS_FC_VALID_WWNN) 3026 printf(" WWNN 0x%llx", (long long) fc->wwnn); 3027 if (fc->valid & CTS_FC_VALID_WWPN) 3028 printf(" WWPN 0x%llx", (long long) fc->wwpn); 3029 if (fc->valid & CTS_FC_VALID_PORT) 3030 printf(" PortID 0x%x", fc->port); 3031 } 3032 printf("\n"); 3033} 3034 3035