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 67 struct 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 80 static int cam_srch_hi = 0; 81 TUNABLE_INT("kern.cam.cam_srch_hi", &cam_srch_hi); 82 static int sysctl_cam_search_luns(SYSCTL_HANDLER_ARGS); 83 SYSCTL_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))) 119 120 static periph_init_t probe_periph_init; 121 122 static 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 }; 128 129 PERIPHDRIVER_DECLARE(probe, probe_driver); 130 131 typedef 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; 147 148 static 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) \ 166 do { \ 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) 174 175 typedef enum { 176 PROBE_INQUIRY_CKSUM = 0x01, 177 PROBE_SERIAL_CKSUM = 0x02, 178 PROBE_NO_ANNOUNCE = 0x04 179 } probe_flags; 180 181 typedef 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; 190 191 static const char quantum[] = "QUANTUM"; 192 static const char sony[] = "SONY"; 193 static const char west_digital[] = "WDIGTL"; 194 static const char samsung[] = "SAMSUNG"; 195 static const char seagate[] = "SEAGATE"; 196 static const char microp[] = "MICROP"; 197 198 static 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 }; 552 553 static const int scsi_quirk_table_size = 554 sizeof(scsi_quirk_table) / sizeof(*scsi_quirk_table); 555 556 static cam_status proberegister(struct cam_periph *periph, 557 void *arg); 558 static void probeschedule(struct cam_periph *probe_periph); 559 static int device_has_vpd(struct cam_ed *device, uint8_t page_id); 560 static void probestart(struct cam_periph *periph, union ccb *start_ccb); 561 static void proberequestdefaultnegotiation(struct cam_periph *periph); 562 static int proberequestbackoff(struct cam_periph *periph, 563 struct cam_ed *device); 564 static void probedone(struct cam_periph *periph, union ccb *done_ccb); 565 static int probe_strange_rpl_data(struct scsi_report_luns_data *rp, 566 uint32_t maxlun); 567 static void probe_purge_old(struct cam_path *path, 568 struct scsi_report_luns_data *new); 569 static void probecleanup(struct cam_periph *periph); 570 static void scsi_find_quirk(struct cam_ed *device); 571 static void scsi_scan_bus(struct cam_periph *periph, union ccb *ccb); 572 static void scsi_scan_lun(struct cam_periph *periph, 573 struct cam_path *path, cam_flags flags, 574 union ccb *ccb); 575 static void xptscandone(struct cam_periph *periph, union ccb *done_ccb); 576 static struct cam_ed * 577 scsi_alloc_device(struct cam_eb *bus, struct cam_et *target, 578 lun_id_t lun_id); 579 static void scsi_devise_transport(struct cam_path *path); 580 static void scsi_set_transfer_settings(struct ccb_trans_settings *cts, 581 struct cam_ed *device, 582 int async_update); 583 static void scsi_toggle_tags(struct cam_path *path); 584 static void scsi_dev_async(u_int32_t async_code, 585 struct cam_eb *bus, 586 struct cam_et *target, 587 struct cam_ed *device, 588 void *async_arg); 589 static void scsi_action(union ccb *start_ccb); 590 static void scsi_announce_periph(struct cam_periph *periph); 591 592 static struct xpt_xport scsi_xport = { 593 .alloc_device = scsi_alloc_device, 594 .action = scsi_action, 595 .async = scsi_dev_async, 596 .announce = scsi_announce_periph, 597 }; 598 599 struct xpt_xport * 600 scsi_get_xport(void) 601 { 602 return (&scsi_xport); 603 } 604 605 static void 606 probe_periph_init() 607 { 608 } 609 610 static cam_status 611 proberegister(struct cam_periph *periph, void *arg) 612 { 613 union ccb *request_ccb; /* CCB representing the probe request */ 614 cam_status status; 615 probe_softc *softc; 616 617 request_ccb = (union ccb *)arg; 618 if (periph == NULL) { 619 printf("proberegister: periph was NULL!!\n"); 620 return(CAM_REQ_CMP_ERR); 621 } 622 623 if (request_ccb == NULL) { 624 printf("proberegister: no probe CCB, " 625 "can't register device\n"); 626 return(CAM_REQ_CMP_ERR); 627 } 628 629 softc = (probe_softc *)malloc(sizeof(*softc), M_CAMXPT, M_NOWAIT); 630 631 if (softc == NULL) { 632 printf("proberegister: Unable to probe new device. " 633 "Unable to allocate softc\n"); 634 return(CAM_REQ_CMP_ERR); 635 } 636 TAILQ_INIT(&softc->request_ccbs); 637 TAILQ_INSERT_TAIL(&softc->request_ccbs, &request_ccb->ccb_h, 638 periph_links.tqe); 639 softc->flags = 0; 640 periph->softc = softc; 641 softc->periph = periph; 642 softc->action = PROBE_INVALID; 643 status = cam_periph_acquire(periph); 644 if (status != CAM_REQ_CMP) { 645 return (status); 646 } 647 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, ("Probe started\n")); 648 649 /* 650 * Ensure we've waited at least a bus settle 651 * delay before attempting to probe the device. 652 * For HBAs that don't do bus resets, this won't make a difference. 653 */ 654 cam_periph_freeze_after_event(periph, &periph->path->bus->last_reset, 655 scsi_delay); 656 /* 657 * Ensure nobody slip in until probe finish. 658 */ 659 cam_freeze_devq_arg(periph->path, 660 RELSIM_RELEASE_RUNLEVEL, CAM_RL_XPT + 1); 661 probeschedule(periph); 662 return(CAM_REQ_CMP); 663 } 664 665 static void 666 probeschedule(struct cam_periph *periph) 667 { 668 struct ccb_pathinq cpi; 669 union ccb *ccb; 670 probe_softc *softc; 671 672 softc = (probe_softc *)periph->softc; 673 ccb = (union ccb *)TAILQ_FIRST(&softc->request_ccbs); 674 675 xpt_setup_ccb(&cpi.ccb_h, periph->path, CAM_PRIORITY_NONE); 676 cpi.ccb_h.func_code = XPT_PATH_INQ; 677 xpt_action((union ccb *)&cpi); 678 679 /* 680 * If a device has gone away and another device, or the same one, 681 * is back in the same place, it should have a unit attention 682 * condition pending. It will not report the unit attention in 683 * response to an inquiry, which may leave invalid transfer 684 * negotiations in effect. The TUR will reveal the unit attention 685 * condition. Only send the TUR for lun 0, since some devices 686 * will get confused by commands other than inquiry to non-existent 687 * luns. If you think a device has gone away start your scan from 688 * lun 0. This will insure that any bogus transfer settings are 689 * invalidated. 690 * 691 * If we haven't seen the device before and the controller supports 692 * some kind of transfer negotiation, negotiate with the first 693 * sent command if no bus reset was performed at startup. This 694 * ensures that the device is not confused by transfer negotiation 695 * settings left over by loader or BIOS action. 696 */ 697 if (((ccb->ccb_h.path->device->flags & CAM_DEV_UNCONFIGURED) == 0) 698 && (ccb->ccb_h.target_lun == 0)) { 699 PROBE_SET_ACTION(softc, PROBE_TUR); 700 } else if ((cpi.hba_inquiry & (PI_WIDE_32|PI_WIDE_16|PI_SDTR_ABLE)) != 0 701 && (cpi.hba_misc & PIM_NOBUSRESET) != 0) { 702 proberequestdefaultnegotiation(periph); 703 PROBE_SET_ACTION(softc, PROBE_INQUIRY); 704 } else { 705 PROBE_SET_ACTION(softc, PROBE_INQUIRY); 706 } 707 708 if (ccb->crcn.flags & CAM_EXPECT_INQ_CHANGE) 709 softc->flags |= PROBE_NO_ANNOUNCE; 710 else 711 softc->flags &= ~PROBE_NO_ANNOUNCE; 712 713 xpt_schedule(periph, CAM_PRIORITY_XPT); 714 } 715 716 static int 717 device_has_vpd(struct cam_ed *device, uint8_t page_id) 718 { 719 int i, num_pages; 720 struct scsi_vpd_supported_pages *vpds; 721 722 vpds = (struct scsi_vpd_supported_pages *)device->supported_vpds; 723 num_pages = device->supported_vpds_len - SVPD_SUPPORTED_PAGES_HDR_LEN; 724 for (i = 0;i < num_pages;i++) 725 if (vpds->page_list[i] == page_id) 726 return 1; 727 728 return 0; 729 } 730 731 static void 732 probestart(struct cam_periph *periph, union ccb *start_ccb) 733 { 734 /* Probe the device that our peripheral driver points to */ 735 struct ccb_scsiio *csio; 736 probe_softc *softc; 737 738 CAM_DEBUG(start_ccb->ccb_h.path, CAM_DEBUG_TRACE, ("probestart\n")); 739 740 softc = (probe_softc *)periph->softc; 741 csio = &start_ccb->csio; 742 again: 743 744 switch (softc->action) { 745 case PROBE_TUR: 746 case PROBE_TUR_FOR_NEGOTIATION: 747 case PROBE_DV_EXIT: 748 { 749 scsi_test_unit_ready(csio, 750 /*retries*/4, 751 probedone, 752 MSG_SIMPLE_Q_TAG, 753 SSD_FULL_SIZE, 754 /*timeout*/60000); 755 break; 756 } 757 case PROBE_INQUIRY: 758 case PROBE_FULL_INQUIRY: 759 case PROBE_INQUIRY_BASIC_DV1: 760 case PROBE_INQUIRY_BASIC_DV2: 761 { 762 u_int inquiry_len; 763 struct scsi_inquiry_data *inq_buf; 764 765 inq_buf = &periph->path->device->inq_data; 766 767 /* 768 * If the device is currently configured, we calculate an 769 * MD5 checksum of the inquiry data, and if the serial number 770 * length is greater than 0, add the serial number data 771 * into the checksum as well. Once the inquiry and the 772 * serial number check finish, we attempt to figure out 773 * whether we still have the same device. 774 */ 775 if ((periph->path->device->flags & CAM_DEV_UNCONFIGURED) == 0) { 776 777 MD5Init(&softc->context); 778 MD5Update(&softc->context, (unsigned char *)inq_buf, 779 sizeof(struct scsi_inquiry_data)); 780 softc->flags |= PROBE_INQUIRY_CKSUM; 781 if (periph->path->device->serial_num_len > 0) { 782 MD5Update(&softc->context, 783 periph->path->device->serial_num, 784 periph->path->device->serial_num_len); 785 softc->flags |= PROBE_SERIAL_CKSUM; 786 } 787 MD5Final(softc->digest, &softc->context); 788 } 789 790 if (softc->action == PROBE_INQUIRY) 791 inquiry_len = SHORT_INQUIRY_LENGTH; 792 else 793 inquiry_len = SID_ADDITIONAL_LENGTH(inq_buf); 794 795 /* 796 * Some parallel SCSI devices fail to send an 797 * ignore wide residue message when dealing with 798 * odd length inquiry requests. Round up to be 799 * safe. 800 */ 801 inquiry_len = roundup2(inquiry_len, 2); 802 803 if (softc->action == PROBE_INQUIRY_BASIC_DV1 804 || softc->action == PROBE_INQUIRY_BASIC_DV2) { 805 inq_buf = malloc(inquiry_len, M_CAMXPT, M_NOWAIT); 806 } 807 if (inq_buf == NULL) { 808 xpt_print(periph->path, "malloc failure- skipping Basic" 809 "Domain Validation\n"); 810 PROBE_SET_ACTION(softc, PROBE_DV_EXIT); 811 scsi_test_unit_ready(csio, 812 /*retries*/4, 813 probedone, 814 MSG_SIMPLE_Q_TAG, 815 SSD_FULL_SIZE, 816 /*timeout*/60000); 817 break; 818 } 819 scsi_inquiry(csio, 820 /*retries*/4, 821 probedone, 822 MSG_SIMPLE_Q_TAG, 823 (u_int8_t *)inq_buf, 824 inquiry_len, 825 /*evpd*/FALSE, 826 /*page_code*/0, 827 SSD_MIN_SIZE, 828 /*timeout*/60 * 1000); 829 break; 830 } 831 case PROBE_REPORT_LUNS: 832 { 833 void *rp; 834 835 rp = malloc(periph->path->target->rpl_size, 836 M_CAMXPT, M_NOWAIT | M_ZERO); 837 if (rp == NULL) { 838 struct scsi_inquiry_data *inq_buf; 839 inq_buf = &periph->path->device->inq_data; 840 xpt_print(periph->path, 841 "Unable to alloc report luns storage\n"); 842 if (INQ_DATA_TQ_ENABLED(inq_buf)) 843 PROBE_SET_ACTION(softc, PROBE_MODE_SENSE); 844 else 845 PROBE_SET_ACTION(softc, 846 PROBE_SUPPORTED_VPD_LIST); 847 goto again; 848 } 849 scsi_report_luns(csio, 5, probedone, MSG_SIMPLE_Q_TAG, 850 RPL_REPORT_DEFAULT, rp, periph->path->target->rpl_size, 851 SSD_FULL_SIZE, 60000); break; 852 break; 853 } 854 case PROBE_MODE_SENSE: 855 { 856 void *mode_buf; 857 int mode_buf_len; 858 859 mode_buf_len = sizeof(struct scsi_mode_header_6) 860 + sizeof(struct scsi_mode_blk_desc) 861 + sizeof(struct scsi_control_page); 862 mode_buf = malloc(mode_buf_len, M_CAMXPT, M_NOWAIT); 863 if (mode_buf != NULL) { 864 scsi_mode_sense(csio, 865 /*retries*/4, 866 probedone, 867 MSG_SIMPLE_Q_TAG, 868 /*dbd*/FALSE, 869 SMS_PAGE_CTRL_CURRENT, 870 SMS_CONTROL_MODE_PAGE, 871 mode_buf, 872 mode_buf_len, 873 SSD_FULL_SIZE, 874 /*timeout*/60000); 875 break; 876 } 877 xpt_print(periph->path, "Unable to mode sense control page - " 878 "malloc failure\n"); 879 PROBE_SET_ACTION(softc, PROBE_SUPPORTED_VPD_LIST); 880 } 881 /* FALLTHROUGH */ 882 case PROBE_SUPPORTED_VPD_LIST: 883 { 884 struct scsi_vpd_supported_page_list *vpd_list; 885 struct cam_ed *device; 886 887 vpd_list = NULL; 888 device = periph->path->device; 889 890 if ((SCSI_QUIRK(device)->quirks & CAM_QUIRK_NOVPDS) == 0) 891 vpd_list = malloc(sizeof(*vpd_list), M_CAMXPT, 892 M_NOWAIT | M_ZERO); 893 894 if (vpd_list != NULL) { 895 scsi_inquiry(csio, 896 /*retries*/4, 897 probedone, 898 MSG_SIMPLE_Q_TAG, 899 (u_int8_t *)vpd_list, 900 sizeof(*vpd_list), 901 /*evpd*/TRUE, 902 SVPD_SUPPORTED_PAGE_LIST, 903 SSD_MIN_SIZE, 904 /*timeout*/60 * 1000); 905 break; 906 } 907 /* 908 * We'll have to do without, let our probedone 909 * routine finish up for us. 910 */ 911 start_ccb->csio.data_ptr = NULL; 912 probedone(periph, start_ccb); 913 return; 914 } 915 case PROBE_DEVICE_ID: 916 { 917 struct scsi_vpd_device_id *devid; 918 struct cam_ed *device; 919 920 devid = NULL; 921 device = periph->path->device; 922 if (device_has_vpd(device, SVPD_DEVICE_ID)) 923 devid = malloc(SVPD_DEVICE_ID_MAX_SIZE, M_CAMXPT, 924 M_NOWAIT | M_ZERO); 925 926 if (devid != NULL) { 927 scsi_inquiry(csio, 928 /*retries*/4, 929 probedone, 930 MSG_SIMPLE_Q_TAG, 931 (uint8_t *)devid, 932 SVPD_DEVICE_ID_MAX_SIZE, 933 /*evpd*/TRUE, 934 SVPD_DEVICE_ID, 935 SSD_MIN_SIZE, 936 /*timeout*/60 * 1000); 937 break; 938 } 939 /* 940 * We'll have to do without, let our probedone 941 * routine finish up for us. 942 */ 943 start_ccb->csio.data_ptr = NULL; 944 probedone(periph, start_ccb); 945 return; 946 } 947 case PROBE_SERIAL_NUM: 948 { 949 struct scsi_vpd_unit_serial_number *serial_buf; 950 struct cam_ed* device; 951 952 serial_buf = NULL; 953 device = periph->path->device; 954 if (device->serial_num != NULL) { 955 free(device->serial_num, M_CAMXPT); 956 device->serial_num = NULL; 957 device->serial_num_len = 0; 958 } 959 960 if (device_has_vpd(device, SVPD_UNIT_SERIAL_NUMBER)) 961 serial_buf = (struct scsi_vpd_unit_serial_number *) 962 malloc(sizeof(*serial_buf), M_CAMXPT, 963 M_NOWAIT|M_ZERO); 964 965 if (serial_buf != NULL) { 966 scsi_inquiry(csio, 967 /*retries*/4, 968 probedone, 969 MSG_SIMPLE_Q_TAG, 970 (u_int8_t *)serial_buf, 971 sizeof(*serial_buf), 972 /*evpd*/TRUE, 973 SVPD_UNIT_SERIAL_NUMBER, 974 SSD_MIN_SIZE, 975 /*timeout*/60 * 1000); 976 break; 977 } 978 /* 979 * We'll have to do without, let our probedone 980 * routine finish up for us. 981 */ 982 start_ccb->csio.data_ptr = NULL; 983 probedone(periph, start_ccb); 984 return; 985 } 986 default: 987 panic("probestart: invalid action state 0x%x\n", softc->action); 988 } 989 xpt_action(start_ccb); 990 } 991 992 static void 993 proberequestdefaultnegotiation(struct cam_periph *periph) 994 { 995 struct ccb_trans_settings cts; 996 997 xpt_setup_ccb(&cts.ccb_h, periph->path, CAM_PRIORITY_NONE); 998 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 999 cts.type = CTS_TYPE_USER_SETTINGS; 1000 xpt_action((union ccb *)&cts); 1001 if ((cts.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1002 return; 1003 } 1004 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 1005 cts.type = CTS_TYPE_CURRENT_SETTINGS; 1006 xpt_action((union ccb *)&cts); 1007 } 1008 1009 /* 1010 * Backoff Negotiation Code- only pertinent for SPI devices. 1011 */ 1012 static int 1013 proberequestbackoff(struct cam_periph *periph, struct cam_ed *device) 1014 { 1015 struct ccb_trans_settings cts; 1016 struct ccb_trans_settings_spi *spi; 1017 1018 memset(&cts, 0, sizeof (cts)); 1019 xpt_setup_ccb(&cts.ccb_h, periph->path, CAM_PRIORITY_NONE); 1020 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 1021 cts.type = CTS_TYPE_CURRENT_SETTINGS; 1022 xpt_action((union ccb *)&cts); 1023 if ((cts.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1024 if (bootverbose) { 1025 xpt_print(periph->path, 1026 "failed to get current device settings\n"); 1027 } 1028 return (0); 1029 } 1030 if (cts.transport != XPORT_SPI) { 1031 if (bootverbose) { 1032 xpt_print(periph->path, "not SPI transport\n"); 1033 } 1034 return (0); 1035 } 1036 spi = &cts.xport_specific.spi; 1037 1038 /* 1039 * We cannot renegotiate sync rate if we don't have one. 1040 */ 1041 if ((spi->valid & CTS_SPI_VALID_SYNC_RATE) == 0) { 1042 if (bootverbose) { 1043 xpt_print(periph->path, "no sync rate known\n"); 1044 } 1045 return (0); 1046 } 1047 1048 /* 1049 * We'll assert that we don't have to touch PPR options- the 1050 * SIM will see what we do with period and offset and adjust 1051 * the PPR options as appropriate. 1052 */ 1053 1054 /* 1055 * A sync rate with unknown or zero offset is nonsensical. 1056 * A sync period of zero means Async. 1057 */ 1058 if ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) == 0 1059 || spi->sync_offset == 0 || spi->sync_period == 0) { 1060 if (bootverbose) { 1061 xpt_print(periph->path, "no sync rate available\n"); 1062 } 1063 return (0); 1064 } 1065 1066 if (device->flags & CAM_DEV_DV_HIT_BOTTOM) { 1067 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, 1068 ("hit async: giving up on DV\n")); 1069 return (0); 1070 } 1071 1072 1073 /* 1074 * Jump sync_period up by one, but stop at 5MHz and fall back to Async. 1075 * We don't try to remember 'last' settings to see if the SIM actually 1076 * gets into the speed we want to set. We check on the SIM telling 1077 * us that a requested speed is bad, but otherwise don't try and 1078 * check the speed due to the asynchronous and handshake nature 1079 * of speed setting. 1080 */ 1081 spi->valid = CTS_SPI_VALID_SYNC_RATE | CTS_SPI_VALID_SYNC_OFFSET; 1082 for (;;) { 1083 spi->sync_period++; 1084 if (spi->sync_period >= 0xf) { 1085 spi->sync_period = 0; 1086 spi->sync_offset = 0; 1087 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, 1088 ("setting to async for DV\n")); 1089 /* 1090 * Once we hit async, we don't want to try 1091 * any more settings. 1092 */ 1093 device->flags |= CAM_DEV_DV_HIT_BOTTOM; 1094 } else if (bootverbose) { 1095 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, 1096 ("DV: period 0x%x\n", spi->sync_period)); 1097 printf("setting period to 0x%x\n", spi->sync_period); 1098 } 1099 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 1100 cts.type = CTS_TYPE_CURRENT_SETTINGS; 1101 xpt_action((union ccb *)&cts); 1102 if ((cts.ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 1103 break; 1104 } 1105 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, 1106 ("DV: failed to set period 0x%x\n", spi->sync_period)); 1107 if (spi->sync_period == 0) { 1108 return (0); 1109 } 1110 } 1111 return (1); 1112 } 1113 1114 #define CCB_COMPLETED_OK(ccb) (((ccb).status & CAM_STATUS_MASK) == CAM_REQ_CMP) 1115 1116 static void 1117 probedone(struct cam_periph *periph, union ccb *done_ccb) 1118 { 1119 probe_softc *softc; 1120 struct cam_path *path; 1121 u_int32_t priority; 1122 1123 CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_TRACE, ("probedone\n")); 1124 1125 softc = (probe_softc *)periph->softc; 1126 path = done_ccb->ccb_h.path; 1127 priority = done_ccb->ccb_h.pinfo.priority; 1128 1129 switch (softc->action) { 1130 case PROBE_TUR: 1131 { 1132 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1133 1134 if (cam_periph_error(done_ccb, 0, 1135 SF_NO_PRINT, NULL) == ERESTART) 1136 return; 1137 else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 1138 /* Don't wedge the queue */ 1139 xpt_release_devq(done_ccb->ccb_h.path, 1140 /*count*/1, 1141 /*run_queue*/TRUE); 1142 } 1143 PROBE_SET_ACTION(softc, PROBE_INQUIRY); 1144 xpt_release_ccb(done_ccb); 1145 xpt_schedule(periph, priority); 1146 return; 1147 } 1148 case PROBE_INQUIRY: 1149 case PROBE_FULL_INQUIRY: 1150 { 1151 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 1152 struct scsi_inquiry_data *inq_buf; 1153 u_int8_t periph_qual; 1154 1155 path->device->flags |= CAM_DEV_INQUIRY_DATA_VALID; 1156 inq_buf = &path->device->inq_data; 1157 1158 periph_qual = SID_QUAL(inq_buf); 1159 1160 if (periph_qual == SID_QUAL_LU_CONNECTED) { 1161 u_int8_t len; 1162 1163 /* 1164 * We conservatively request only 1165 * SHORT_INQUIRY_LEN bytes of inquiry 1166 * information during our first try 1167 * at sending an INQUIRY. If the device 1168 * has more information to give, 1169 * perform a second request specifying 1170 * the amount of information the device 1171 * is willing to give. 1172 */ 1173 len = inq_buf->additional_length 1174 + offsetof(struct scsi_inquiry_data, 1175 additional_length) + 1; 1176 if (softc->action == PROBE_INQUIRY 1177 && len > SHORT_INQUIRY_LENGTH) { 1178 PROBE_SET_ACTION(softc, PROBE_FULL_INQUIRY); 1179 xpt_release_ccb(done_ccb); 1180 xpt_schedule(periph, priority); 1181 return; 1182 } 1183 1184 scsi_find_quirk(path->device); 1185 1186 scsi_devise_transport(path); 1187 1188 if (path->device->lun_id == 0 && 1189 SID_ANSI_REV(inq_buf) > SCSI_REV_SPC2 && 1190 (SCSI_QUIRK(path->device)->quirks & 1191 CAM_QUIRK_NORPTLUNS) == 0) { 1192 PROBE_SET_ACTION(softc, 1193 PROBE_REPORT_LUNS); 1194 /* 1195 * Start with room for *one* lun. 1196 */ 1197 periph->path->target->rpl_size = 16; 1198 } else if (INQ_DATA_TQ_ENABLED(inq_buf)) 1199 PROBE_SET_ACTION(softc, 1200 PROBE_MODE_SENSE); 1201 else 1202 PROBE_SET_ACTION(softc, 1203 PROBE_SUPPORTED_VPD_LIST); 1204 1205 if (path->device->flags & CAM_DEV_UNCONFIGURED) { 1206 path->device->flags &= ~CAM_DEV_UNCONFIGURED; 1207 xpt_acquire_device(path->device); 1208 } 1209 xpt_release_ccb(done_ccb); 1210 xpt_schedule(periph, priority); 1211 return; 1212 } else if (path->device->lun_id == 0 && 1213 SID_ANSI_REV(inq_buf) > SCSI_REV_SPC2 && 1214 (SCSI_QUIRK(path->device)->quirks & 1215 CAM_QUIRK_NORPTLUNS) == 0) { 1216 if (path->device->flags & 1217 CAM_DEV_UNCONFIGURED) { 1218 path->device->flags &= 1219 ~CAM_DEV_UNCONFIGURED; 1220 xpt_acquire_device(path->device); 1221 } 1222 PROBE_SET_ACTION(softc, PROBE_REPORT_LUNS); 1223 periph->path->target->rpl_size = 16; 1224 xpt_release_ccb(done_ccb); 1225 xpt_schedule(periph, priority); 1226 return; 1227 } 1228 } else if (cam_periph_error(done_ccb, 0, 1229 done_ccb->ccb_h.target_lun > 0 1230 ? SF_RETRY_UA|SF_QUIET_IR 1231 : SF_RETRY_UA, 1232 &softc->saved_ccb) == ERESTART) { 1233 return; 1234 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1235 /* Don't wedge the queue */ 1236 xpt_release_devq(done_ccb->ccb_h.path, /*count*/1, 1237 /*run_queue*/TRUE); 1238 } 1239 /* 1240 * If we get to this point, we got an error status back 1241 * from the inquiry and the error status doesn't require 1242 * automatically retrying the command. Therefore, the 1243 * inquiry failed. If we had inquiry information before 1244 * for this device, but this latest inquiry command failed, 1245 * the device has probably gone away. If this device isn't 1246 * already marked unconfigured, notify the peripheral 1247 * drivers that this device is no more. 1248 */ 1249 if ((path->device->flags & CAM_DEV_UNCONFIGURED) == 0) 1250 /* Send the async notification. */ 1251 xpt_async(AC_LOST_DEVICE, path, NULL); 1252 PROBE_SET_ACTION(softc, PROBE_INVALID); 1253 1254 xpt_release_ccb(done_ccb); 1255 break; 1256 } 1257 case PROBE_REPORT_LUNS: 1258 { 1259 struct ccb_scsiio *csio; 1260 struct scsi_report_luns_data *lp; 1261 u_int nlun, maxlun; 1262 1263 csio = &done_ccb->csio; 1264 1265 lp = (struct scsi_report_luns_data *)csio->data_ptr; 1266 nlun = scsi_4btoul(lp->length) / 8; 1267 maxlun = (csio->dxfer_len / 8) - 1; 1268 1269 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1270 if (cam_periph_error(done_ccb, 0, 1271 done_ccb->ccb_h.target_lun > 0 ? 1272 SF_RETRY_UA|SF_QUIET_IR : SF_RETRY_UA, 1273 &softc->saved_ccb) == ERESTART) { 1274 return; 1275 } 1276 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1277 xpt_release_devq(done_ccb->ccb_h.path, 1, 1278 TRUE); 1279 } 1280 free(lp, M_CAMXPT); 1281 lp = NULL; 1282 } else if (nlun > maxlun) { 1283 /* 1284 * Reallocate and retry to cover all luns 1285 */ 1286 CAM_DEBUG(path, CAM_DEBUG_PROBE, 1287 ("Probe: reallocating REPORT_LUNS for %u luns\n", 1288 nlun)); 1289 free(lp, M_CAMXPT); 1290 path->target->rpl_size = (nlun << 3) + 8; 1291 xpt_release_ccb(done_ccb); 1292 xpt_schedule(periph, priority); 1293 return; 1294 } else if (nlun == 0) { 1295 /* 1296 * If there don't appear to be any luns, bail. 1297 */ 1298 free(lp, M_CAMXPT); 1299 lp = NULL; 1300 } else if (probe_strange_rpl_data(lp, maxlun)) { 1301 /* 1302 * If we can't understand the lun format 1303 * of any entry, bail. 1304 */ 1305 free(lp, M_CAMXPT); 1306 lp = NULL; 1307 } else { 1308 lun_id_t lun; 1309 int idx; 1310 1311 CAM_DEBUG(path, CAM_DEBUG_PROBE, 1312 ("Probe: %u lun(s) reported\n", nlun)); 1313 1314 CAM_GET_SIMPLE_LUN(lp, 0, lun); 1315 /* 1316 * If the first lun is not lun 0, then either there 1317 * is no lun 0 in the list, or the list is unsorted. 1318 */ 1319 if (lun != 0) { 1320 for (idx = 0; idx < nlun; idx++) { 1321 CAM_GET_SIMPLE_LUN(lp, idx, lun); 1322 if (lun == 0) { 1323 break; 1324 } 1325 } 1326 if (idx != nlun) { 1327 uint8_t tlun[8]; 1328 memcpy(tlun, 1329 lp->luns[0].lundata, 8); 1330 memcpy(lp->luns[0].lundata, 1331 lp->luns[idx].lundata, 8); 1332 memcpy(lp->luns[idx].lundata, 1333 tlun, 8); 1334 CAM_DEBUG(path, CAM_DEBUG_PROBE, 1335 ("lun 0 in position %u\n", idx)); 1336 } else { 1337 /* 1338 * There is no lun 0 in our list. Destroy 1339 * the validity of the inquiry data so we 1340 * bail here and now. 1341 */ 1342 path->device->flags &= 1343 ~CAM_DEV_INQUIRY_DATA_VALID; 1344 } 1345 } 1346 /* 1347 * If we have an old lun list, We can either 1348 * retest luns that appear to have been dropped, 1349 * or just nuke them. We'll opt for the latter. 1350 * This function will also install the new list 1351 * in the target structure. 1352 */ 1353 probe_purge_old(path, lp); 1354 lp = NULL; 1355 } 1356 if (path->device->flags & CAM_DEV_INQUIRY_DATA_VALID) { 1357 struct scsi_inquiry_data *inq_buf; 1358 inq_buf = &path->device->inq_data; 1359 if (INQ_DATA_TQ_ENABLED(inq_buf)) 1360 PROBE_SET_ACTION(softc, PROBE_MODE_SENSE); 1361 else 1362 PROBE_SET_ACTION(softc, 1363 PROBE_SUPPORTED_VPD_LIST); 1364 xpt_release_ccb(done_ccb); 1365 xpt_schedule(periph, priority); 1366 return; 1367 } 1368 if (lp) { 1369 free(lp, M_CAMXPT); 1370 } 1371 break; 1372 } 1373 case PROBE_MODE_SENSE: 1374 { 1375 struct ccb_scsiio *csio; 1376 struct scsi_mode_header_6 *mode_hdr; 1377 1378 csio = &done_ccb->csio; 1379 mode_hdr = (struct scsi_mode_header_6 *)csio->data_ptr; 1380 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 1381 struct scsi_control_page *page; 1382 u_int8_t *offset; 1383 1384 offset = ((u_int8_t *)&mode_hdr[1]) 1385 + mode_hdr->blk_desc_len; 1386 page = (struct scsi_control_page *)offset; 1387 path->device->queue_flags = page->queue_flags; 1388 } else if (cam_periph_error(done_ccb, 0, 1389 SF_RETRY_UA|SF_NO_PRINT, 1390 &softc->saved_ccb) == ERESTART) { 1391 return; 1392 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1393 /* Don't wedge the queue */ 1394 xpt_release_devq(done_ccb->ccb_h.path, 1395 /*count*/1, /*run_queue*/TRUE); 1396 } 1397 xpt_release_ccb(done_ccb); 1398 free(mode_hdr, M_CAMXPT); 1399 PROBE_SET_ACTION(softc, PROBE_SUPPORTED_VPD_LIST); 1400 xpt_schedule(periph, priority); 1401 return; 1402 } 1403 case PROBE_SUPPORTED_VPD_LIST: 1404 { 1405 struct ccb_scsiio *csio; 1406 struct scsi_vpd_supported_page_list *page_list; 1407 1408 csio = &done_ccb->csio; 1409 page_list = 1410 (struct scsi_vpd_supported_page_list *)csio->data_ptr; 1411 1412 if (path->device->supported_vpds != NULL) { 1413 free(path->device->supported_vpds, M_CAMXPT); 1414 path->device->supported_vpds = NULL; 1415 path->device->supported_vpds_len = 0; 1416 } 1417 1418 if (page_list == NULL) { 1419 /* 1420 * Don't process the command as it was never sent 1421 */ 1422 } else if (CCB_COMPLETED_OK(csio->ccb_h)) { 1423 /* Got vpd list */ 1424 path->device->supported_vpds_len = page_list->length + 1425 SVPD_SUPPORTED_PAGES_HDR_LEN; 1426 path->device->supported_vpds = (uint8_t *)page_list; 1427 xpt_release_ccb(done_ccb); 1428 PROBE_SET_ACTION(softc, PROBE_DEVICE_ID); 1429 xpt_schedule(periph, priority); 1430 return; 1431 } else if (cam_periph_error(done_ccb, 0, 1432 SF_RETRY_UA|SF_NO_PRINT, 1433 &softc->saved_ccb) == ERESTART) { 1434 return; 1435 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1436 /* Don't wedge the queue */ 1437 xpt_release_devq(done_ccb->ccb_h.path, /*count*/1, 1438 /*run_queue*/TRUE); 1439 } 1440 1441 if (page_list) 1442 free(page_list, M_CAMXPT); 1443 /* No VPDs available, skip to device check. */ 1444 csio->data_ptr = NULL; 1445 goto probe_device_check; 1446 } 1447 case PROBE_DEVICE_ID: 1448 { 1449 struct scsi_vpd_device_id *devid; 1450 struct ccb_scsiio *csio; 1451 uint32_t length = 0; 1452 1453 csio = &done_ccb->csio; 1454 devid = (struct scsi_vpd_device_id *)csio->data_ptr; 1455 1456 /* Clean up from previous instance of this device */ 1457 if (path->device->device_id != NULL) { 1458 path->device->device_id_len = 0; 1459 free(path->device->device_id, M_CAMXPT); 1460 path->device->device_id = NULL; 1461 } 1462 1463 if (devid == NULL) { 1464 /* Don't process the command as it was never sent */ 1465 } else if (CCB_COMPLETED_OK(csio->ccb_h)) { 1466 length = scsi_2btoul(devid->length); 1467 if (length != 0) { 1468 /* 1469 * NB: device_id_len is actual response 1470 * size, not buffer size. 1471 */ 1472 path->device->device_id_len = length + 1473 SVPD_DEVICE_ID_HDR_LEN; 1474 path->device->device_id = (uint8_t *)devid; 1475 } 1476 } else if (cam_periph_error(done_ccb, 0, 1477 SF_RETRY_UA, 1478 &softc->saved_ccb) == ERESTART) { 1479 return; 1480 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1481 /* Don't wedge the queue */ 1482 xpt_release_devq(done_ccb->ccb_h.path, /*count*/1, 1483 /*run_queue*/TRUE); 1484 } 1485 1486 /* Free the device id space if we don't use it */ 1487 if (devid && length == 0) 1488 free(devid, M_CAMXPT); 1489 xpt_release_ccb(done_ccb); 1490 PROBE_SET_ACTION(softc, PROBE_SERIAL_NUM); 1491 xpt_schedule(periph, priority); 1492 return; 1493 } 1494 1495 probe_device_check: 1496 case PROBE_SERIAL_NUM: 1497 { 1498 struct ccb_scsiio *csio; 1499 struct scsi_vpd_unit_serial_number *serial_buf; 1500 u_int32_t priority; 1501 int changed; 1502 int have_serialnum; 1503 1504 changed = 1; 1505 have_serialnum = 0; 1506 csio = &done_ccb->csio; 1507 priority = done_ccb->ccb_h.pinfo.priority; 1508 serial_buf = 1509 (struct scsi_vpd_unit_serial_number *)csio->data_ptr; 1510 1511 if (serial_buf == NULL) { 1512 /* 1513 * Don't process the command as it was never sent 1514 */ 1515 } else if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP 1516 && (serial_buf->length > 0)) { 1517 1518 have_serialnum = 1; 1519 path->device->serial_num = 1520 (u_int8_t *)malloc((serial_buf->length + 1), 1521 M_CAMXPT, M_NOWAIT); 1522 if (path->device->serial_num != NULL) { 1523 memcpy(path->device->serial_num, 1524 serial_buf->serial_num, 1525 serial_buf->length); 1526 path->device->serial_num_len = 1527 serial_buf->length; 1528 path->device->serial_num[serial_buf->length] 1529 = '\0'; 1530 } 1531 } else if (cam_periph_error(done_ccb, 0, 1532 SF_RETRY_UA|SF_NO_PRINT, 1533 &softc->saved_ccb) == ERESTART) { 1534 return; 1535 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1536 /* Don't wedge the queue */ 1537 xpt_release_devq(done_ccb->ccb_h.path, /*count*/1, 1538 /*run_queue*/TRUE); 1539 } 1540 1541 /* 1542 * Let's see if we have seen this device before. 1543 */ 1544 if ((softc->flags & PROBE_INQUIRY_CKSUM) != 0) { 1545 MD5_CTX context; 1546 u_int8_t digest[16]; 1547 1548 MD5Init(&context); 1549 1550 MD5Update(&context, 1551 (unsigned char *)&path->device->inq_data, 1552 sizeof(struct scsi_inquiry_data)); 1553 1554 if (have_serialnum) 1555 MD5Update(&context, serial_buf->serial_num, 1556 serial_buf->length); 1557 1558 MD5Final(digest, &context); 1559 if (bcmp(softc->digest, digest, 16) == 0) 1560 changed = 0; 1561 1562 /* 1563 * XXX Do we need to do a TUR in order to ensure 1564 * that the device really hasn't changed??? 1565 */ 1566 if ((changed != 0) 1567 && ((softc->flags & PROBE_NO_ANNOUNCE) == 0)) 1568 xpt_async(AC_LOST_DEVICE, path, NULL); 1569 } 1570 if (serial_buf != NULL) 1571 free(serial_buf, M_CAMXPT); 1572 1573 if (changed != 0) { 1574 /* 1575 * Now that we have all the necessary 1576 * information to safely perform transfer 1577 * negotiations... Controllers don't perform 1578 * any negotiation or tagged queuing until 1579 * after the first XPT_SET_TRAN_SETTINGS ccb is 1580 * received. So, on a new device, just retrieve 1581 * the user settings, and set them as the current 1582 * settings to set the device up. 1583 */ 1584 proberequestdefaultnegotiation(periph); 1585 xpt_release_ccb(done_ccb); 1586 1587 /* 1588 * Perform a TUR to allow the controller to 1589 * perform any necessary transfer negotiation. 1590 */ 1591 PROBE_SET_ACTION(softc, PROBE_TUR_FOR_NEGOTIATION); 1592 xpt_schedule(periph, priority); 1593 return; 1594 } 1595 xpt_release_ccb(done_ccb); 1596 break; 1597 } 1598 case PROBE_TUR_FOR_NEGOTIATION: 1599 case PROBE_DV_EXIT: 1600 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1601 cam_periph_error(done_ccb, 0, 1602 SF_NO_PRINT | SF_NO_RECOVERY | SF_NO_RETRY, NULL); 1603 } 1604 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1605 /* Don't wedge the queue */ 1606 xpt_release_devq(done_ccb->ccb_h.path, /*count*/1, 1607 /*run_queue*/TRUE); 1608 } 1609 /* 1610 * Do Domain Validation for lun 0 on devices that claim 1611 * to support Synchronous Transfer modes. 1612 */ 1613 if (softc->action == PROBE_TUR_FOR_NEGOTIATION 1614 && done_ccb->ccb_h.target_lun == 0 1615 && (path->device->inq_data.flags & SID_Sync) != 0 1616 && (path->device->flags & CAM_DEV_IN_DV) == 0) { 1617 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, 1618 ("Begin Domain Validation\n")); 1619 path->device->flags |= CAM_DEV_IN_DV; 1620 xpt_release_ccb(done_ccb); 1621 PROBE_SET_ACTION(softc, PROBE_INQUIRY_BASIC_DV1); 1622 xpt_schedule(periph, priority); 1623 return; 1624 } 1625 if (softc->action == PROBE_DV_EXIT) { 1626 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, 1627 ("Leave Domain Validation\n")); 1628 } 1629 if (path->device->flags & CAM_DEV_UNCONFIGURED) { 1630 path->device->flags &= ~CAM_DEV_UNCONFIGURED; 1631 xpt_acquire_device(path->device); 1632 } 1633 path->device->flags &= 1634 ~(CAM_DEV_IN_DV|CAM_DEV_DV_HIT_BOTTOM); 1635 if ((softc->flags & PROBE_NO_ANNOUNCE) == 0) { 1636 /* Inform the XPT that a new device has been found */ 1637 done_ccb->ccb_h.func_code = XPT_GDEV_TYPE; 1638 xpt_action(done_ccb); 1639 xpt_async(AC_FOUND_DEVICE, done_ccb->ccb_h.path, 1640 done_ccb); 1641 } 1642 PROBE_SET_ACTION(softc, PROBE_DONE); 1643 xpt_release_ccb(done_ccb); 1644 break; 1645 case PROBE_INQUIRY_BASIC_DV1: 1646 case PROBE_INQUIRY_BASIC_DV2: 1647 { 1648 struct scsi_inquiry_data *nbuf; 1649 struct ccb_scsiio *csio; 1650 1651 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1652 cam_periph_error(done_ccb, 0, 1653 SF_NO_PRINT | SF_NO_RECOVERY | SF_NO_RETRY, NULL); 1654 } 1655 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1656 /* Don't wedge the queue */ 1657 xpt_release_devq(done_ccb->ccb_h.path, /*count*/1, 1658 /*run_queue*/TRUE); 1659 } 1660 csio = &done_ccb->csio; 1661 nbuf = (struct scsi_inquiry_data *)csio->data_ptr; 1662 if (bcmp(nbuf, &path->device->inq_data, SHORT_INQUIRY_LENGTH)) { 1663 xpt_print(path, 1664 "inquiry data fails comparison at DV%d step\n", 1665 softc->action == PROBE_INQUIRY_BASIC_DV1 ? 1 : 2); 1666 if (proberequestbackoff(periph, path->device)) { 1667 path->device->flags &= ~CAM_DEV_IN_DV; 1668 PROBE_SET_ACTION(softc, PROBE_TUR_FOR_NEGOTIATION); 1669 } else { 1670 /* give up */ 1671 PROBE_SET_ACTION(softc, PROBE_DV_EXIT); 1672 } 1673 free(nbuf, M_CAMXPT); 1674 xpt_release_ccb(done_ccb); 1675 xpt_schedule(periph, priority); 1676 return; 1677 } 1678 free(nbuf, M_CAMXPT); 1679 if (softc->action == PROBE_INQUIRY_BASIC_DV1) { 1680 PROBE_SET_ACTION(softc, PROBE_INQUIRY_BASIC_DV2); 1681 xpt_release_ccb(done_ccb); 1682 xpt_schedule(periph, priority); 1683 return; 1684 } 1685 if (softc->action == PROBE_INQUIRY_BASIC_DV2) { 1686 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, 1687 ("Leave Domain Validation Successfully\n")); 1688 } 1689 if (path->device->flags & CAM_DEV_UNCONFIGURED) { 1690 path->device->flags &= ~CAM_DEV_UNCONFIGURED; 1691 xpt_acquire_device(path->device); 1692 } 1693 path->device->flags &= 1694 ~(CAM_DEV_IN_DV|CAM_DEV_DV_HIT_BOTTOM); 1695 if ((softc->flags & PROBE_NO_ANNOUNCE) == 0) { 1696 /* Inform the XPT that a new device has been found */ 1697 done_ccb->ccb_h.func_code = XPT_GDEV_TYPE; 1698 xpt_action(done_ccb); 1699 xpt_async(AC_FOUND_DEVICE, done_ccb->ccb_h.path, 1700 done_ccb); 1701 } 1702 PROBE_SET_ACTION(softc, PROBE_DONE); 1703 xpt_release_ccb(done_ccb); 1704 break; 1705 } 1706 default: 1707 panic("probedone: invalid action state 0x%x\n", softc->action); 1708 } 1709 done_ccb = (union ccb *)TAILQ_FIRST(&softc->request_ccbs); 1710 TAILQ_REMOVE(&softc->request_ccbs, &done_ccb->ccb_h, periph_links.tqe); 1711 done_ccb->ccb_h.status = CAM_REQ_CMP; 1712 xpt_done(done_ccb); 1713 if (TAILQ_FIRST(&softc->request_ccbs) == NULL) { 1714 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, ("Probe completed\n")); 1715 cam_periph_invalidate(periph); 1716 cam_release_devq(periph->path, 1717 RELSIM_RELEASE_RUNLEVEL, 0, CAM_RL_XPT + 1, FALSE); 1718 cam_periph_release_locked(periph); 1719 } else { 1720 probeschedule(periph); 1721 } 1722 } 1723 1724 static int 1725 probe_strange_rpl_data(struct scsi_report_luns_data *rp, uint32_t maxlun) 1726 { 1727 uint32_t idx; 1728 uint32_t nlun = MIN(maxlun, (scsi_4btoul(rp->length) / 8)); 1729 1730 for (idx = 0; idx < nlun; idx++) { 1731 if (!CAM_CAN_GET_SIMPLE_LUN(rp, idx)) { 1732 return (-1); 1733 } 1734 } 1735 return (0); 1736 } 1737 1738 static void 1739 probe_purge_old(struct cam_path *path, struct scsi_report_luns_data *new) 1740 { 1741 struct cam_path *tp; 1742 struct scsi_report_luns_data *old; 1743 u_int idx1, idx2, nlun_old, nlun_new, this_lun; 1744 u_int8_t *ol, *nl; 1745 1746 if (path->target == NULL) { 1747 return; 1748 } 1749 if (path->target->luns == NULL) { 1750 path->target->luns = new; 1751 return; 1752 } 1753 old = path->target->luns; 1754 nlun_old = scsi_4btoul(old->length) / 8; 1755 nlun_new = scsi_4btoul(new->length) / 8; 1756 1757 /* 1758 * We are not going to assume sorted lists. Deal. 1759 */ 1760 for (idx1 = 0; idx1 < nlun_old; idx1++) { 1761 ol = old->luns[idx1].lundata; 1762 for (idx2 = 0; idx2 < nlun_new; idx2++) { 1763 nl = new->luns[idx2].lundata; 1764 if (memcmp(nl, ol, 8) == 0) { 1765 break; 1766 } 1767 } 1768 if (idx2 < nlun_new) { 1769 continue; 1770 } 1771 /* 1772 * An 'old' item not in the 'new' list. 1773 * Nuke it. Except that if it is lun 0, 1774 * that would be what the probe state 1775 * machine is currently working on, 1776 * so we won't do that. 1777 * 1778 * We also cannot nuke it if it is 1779 * not in a lun format we understand. 1780 */ 1781 if (!CAM_CAN_GET_SIMPLE_LUN(old, idx1)) { 1782 continue; 1783 } 1784 CAM_GET_SIMPLE_LUN(old, idx1, this_lun); 1785 if (this_lun == 0) { 1786 continue; 1787 } 1788 if (xpt_create_path(&tp, NULL, xpt_path_path_id(path), 1789 xpt_path_target_id(path), this_lun) == CAM_REQ_CMP) { 1790 xpt_async(AC_LOST_DEVICE, tp, NULL); 1791 xpt_free_path(tp); 1792 } 1793 } 1794 free(old, M_CAMXPT); 1795 path->target->luns = new; 1796 } 1797 1798 static void 1799 probecleanup(struct cam_periph *periph) 1800 { 1801 free(periph->softc, M_CAMXPT); 1802 } 1803 1804 static void 1805 scsi_find_quirk(struct cam_ed *device) 1806 { 1807 struct scsi_quirk_entry *quirk; 1808 caddr_t match; 1809 1810 match = cam_quirkmatch((caddr_t)&device->inq_data, 1811 (caddr_t)scsi_quirk_table, 1812 sizeof(scsi_quirk_table) / 1813 sizeof(*scsi_quirk_table), 1814 sizeof(*scsi_quirk_table), scsi_inquiry_match); 1815 1816 if (match == NULL) 1817 panic("xpt_find_quirk: device didn't match wildcard entry!!"); 1818 1819 quirk = (struct scsi_quirk_entry *)match; 1820 device->quirk = quirk; 1821 device->mintags = quirk->mintags; 1822 device->maxtags = quirk->maxtags; 1823 } 1824 1825 static int 1826 sysctl_cam_search_luns(SYSCTL_HANDLER_ARGS) 1827 { 1828 int error, val; 1829 1830 val = cam_srch_hi; 1831 error = sysctl_handle_int(oidp, &val, 0, req); 1832 if (error != 0 || req->newptr == NULL) 1833 return (error); 1834 if (val == 0 || val == 1) { 1835 cam_srch_hi = val; 1836 return (0); 1837 } else { 1838 return (EINVAL); 1839 } 1840 } 1841 1842 typedef struct { 1843 union ccb *request_ccb; 1844 struct ccb_pathinq *cpi; 1845 int counter; 1846 int lunindex[0]; 1847 } scsi_scan_bus_info; 1848 1849 /* 1850 * To start a scan, request_ccb is an XPT_SCAN_BUS ccb. 1851 * As the scan progresses, scsi_scan_bus is used as the 1852 * callback on completion function. 1853 */ 1854 static void 1855 scsi_scan_bus(struct cam_periph *periph, union ccb *request_ccb) 1856 { 1857 CAM_DEBUG(request_ccb->ccb_h.path, CAM_DEBUG_TRACE, 1858 ("scsi_scan_bus\n")); 1859 switch (request_ccb->ccb_h.func_code) { 1860 case XPT_SCAN_BUS: 1861 case XPT_SCAN_TGT: 1862 { 1863 scsi_scan_bus_info *scan_info; 1864 union ccb *work_ccb, *reset_ccb; 1865 struct cam_path *path; 1866 u_int i; 1867 u_int low_target, max_target; 1868 u_int initiator_id; 1869 1870 /* Find out the characteristics of the bus */ 1871 work_ccb = xpt_alloc_ccb_nowait(); 1872 if (work_ccb == NULL) { 1873 request_ccb->ccb_h.status = CAM_RESRC_UNAVAIL; 1874 xpt_done(request_ccb); 1875 return; 1876 } 1877 xpt_setup_ccb(&work_ccb->ccb_h, request_ccb->ccb_h.path, 1878 request_ccb->ccb_h.pinfo.priority); 1879 work_ccb->ccb_h.func_code = XPT_PATH_INQ; 1880 xpt_action(work_ccb); 1881 if (work_ccb->ccb_h.status != CAM_REQ_CMP) { 1882 request_ccb->ccb_h.status = work_ccb->ccb_h.status; 1883 xpt_free_ccb(work_ccb); 1884 xpt_done(request_ccb); 1885 return; 1886 } 1887 1888 if ((work_ccb->cpi.hba_misc & PIM_NOINITIATOR) != 0) { 1889 /* 1890 * Can't scan the bus on an adapter that 1891 * cannot perform the initiator role. 1892 */ 1893 request_ccb->ccb_h.status = CAM_REQ_CMP; 1894 xpt_free_ccb(work_ccb); 1895 xpt_done(request_ccb); 1896 return; 1897 } 1898 1899 /* We may need to reset bus first, if we haven't done it yet. */ 1900 if ((work_ccb->cpi.hba_inquiry & 1901 (PI_WIDE_32|PI_WIDE_16|PI_SDTR_ABLE)) && 1902 !(work_ccb->cpi.hba_misc & PIM_NOBUSRESET) && 1903 !timevalisset(&request_ccb->ccb_h.path->bus->last_reset)) { 1904 reset_ccb = xpt_alloc_ccb_nowait(); 1905 xpt_setup_ccb(&reset_ccb->ccb_h, request_ccb->ccb_h.path, 1906 CAM_PRIORITY_NONE); 1907 reset_ccb->ccb_h.func_code = XPT_RESET_BUS; 1908 xpt_action(reset_ccb); 1909 if (reset_ccb->ccb_h.status != CAM_REQ_CMP) { 1910 request_ccb->ccb_h.status = reset_ccb->ccb_h.status; 1911 xpt_free_ccb(reset_ccb); 1912 xpt_free_ccb(work_ccb); 1913 xpt_done(request_ccb); 1914 return; 1915 } 1916 xpt_free_ccb(reset_ccb); 1917 } 1918 1919 /* Save some state for use while we probe for devices */ 1920 scan_info = (scsi_scan_bus_info *) malloc(sizeof(scsi_scan_bus_info) + 1921 (work_ccb->cpi.max_target * sizeof (u_int)), M_CAMXPT, M_ZERO|M_NOWAIT); 1922 if (scan_info == NULL) { 1923 request_ccb->ccb_h.status = CAM_RESRC_UNAVAIL; 1924 xpt_done(request_ccb); 1925 return; 1926 } 1927 CAM_DEBUG(request_ccb->ccb_h.path, CAM_DEBUG_TRACE, 1928 ("SCAN start for %p\n", scan_info)); 1929 scan_info->request_ccb = request_ccb; 1930 scan_info->cpi = &work_ccb->cpi; 1931 1932 /* Cache on our stack so we can work asynchronously */ 1933 max_target = scan_info->cpi->max_target; 1934 low_target = 0; 1935 initiator_id = scan_info->cpi->initiator_id; 1936 1937 1938 /* 1939 * We can scan all targets in parallel, or do it sequentially. 1940 */ 1941 1942 if (request_ccb->ccb_h.func_code == XPT_SCAN_TGT) { 1943 max_target = low_target = request_ccb->ccb_h.target_id; 1944 scan_info->counter = 0; 1945 } else if (scan_info->cpi->hba_misc & PIM_SEQSCAN) { 1946 max_target = 0; 1947 scan_info->counter = 0; 1948 } else { 1949 scan_info->counter = scan_info->cpi->max_target + 1; 1950 if (scan_info->cpi->initiator_id < scan_info->counter) { 1951 scan_info->counter--; 1952 } 1953 } 1954 1955 for (i = low_target; i <= max_target; i++) { 1956 cam_status status; 1957 if (i == initiator_id) 1958 continue; 1959 1960 status = xpt_create_path(&path, xpt_periph, 1961 request_ccb->ccb_h.path_id, 1962 i, 0); 1963 if (status != CAM_REQ_CMP) { 1964 printf("scsi_scan_bus: xpt_create_path failed" 1965 " with status %#x, bus scan halted\n", 1966 status); 1967 free(scan_info, M_CAMXPT); 1968 request_ccb->ccb_h.status = status; 1969 xpt_free_ccb(work_ccb); 1970 xpt_done(request_ccb); 1971 break; 1972 } 1973 work_ccb = xpt_alloc_ccb_nowait(); 1974 if (work_ccb == NULL) { 1975 xpt_free_ccb((union ccb *)scan_info->cpi); 1976 free(scan_info, M_CAMXPT); 1977 xpt_free_path(path); 1978 request_ccb->ccb_h.status = CAM_RESRC_UNAVAIL; 1979 xpt_done(request_ccb); 1980 break; 1981 } 1982 xpt_setup_ccb(&work_ccb->ccb_h, path, 1983 request_ccb->ccb_h.pinfo.priority); 1984 work_ccb->ccb_h.func_code = XPT_SCAN_LUN; 1985 work_ccb->ccb_h.cbfcnp = scsi_scan_bus; 1986 work_ccb->ccb_h.ppriv_ptr0 = scan_info; 1987 work_ccb->crcn.flags = request_ccb->crcn.flags; 1988 xpt_action(work_ccb); 1989 } 1990 break; 1991 } 1992 case XPT_SCAN_LUN: 1993 { 1994 cam_status status; 1995 struct cam_path *path, *oldpath; 1996 scsi_scan_bus_info *scan_info; 1997 struct cam_et *target; 1998 struct cam_ed *device; 1999 int next_target; 2000 path_id_t path_id; 2001 target_id_t target_id; 2002 lun_id_t lun_id; 2003 2004 oldpath = request_ccb->ccb_h.path; 2005 2006 status = request_ccb->ccb_h.status & CAM_STATUS_MASK; 2007 /* Reuse the same CCB to query if a device was really found */ 2008 scan_info = (scsi_scan_bus_info *)request_ccb->ccb_h.ppriv_ptr0; 2009 xpt_setup_ccb(&request_ccb->ccb_h, request_ccb->ccb_h.path, 2010 request_ccb->ccb_h.pinfo.priority); 2011 request_ccb->ccb_h.func_code = XPT_GDEV_TYPE; 2012 2013 2014 path_id = request_ccb->ccb_h.path_id; 2015 target_id = request_ccb->ccb_h.target_id; 2016 lun_id = request_ccb->ccb_h.target_lun; 2017 xpt_action(request_ccb); 2018 2019 target = request_ccb->ccb_h.path->target; 2020 next_target = 1; 2021 2022 if (target->luns) { 2023 uint32_t first; 2024 u_int nluns = scsi_4btoul(target->luns->length) / 8; 2025 2026 /* 2027 * Make sure we skip over lun 0 if it's the first member 2028 * of the list as we've actually just finished probing 2029 * it. 2030 */ 2031 CAM_GET_SIMPLE_LUN(target->luns, 0, first); 2032 if (first == 0 && scan_info->lunindex[target_id] == 0) { 2033 scan_info->lunindex[target_id]++; 2034 } 2035 2036 if (scan_info->lunindex[target_id] < nluns) { 2037 CAM_GET_SIMPLE_LUN(target->luns, 2038 scan_info->lunindex[target_id], lun_id); 2039 next_target = 0; 2040 CAM_DEBUG(request_ccb->ccb_h.path, 2041 CAM_DEBUG_PROBE, 2042 ("next lun to try at index %u is %u\n", 2043 scan_info->lunindex[target_id], lun_id)); 2044 scan_info->lunindex[target_id]++; 2045 } else { 2046 /* 2047 * We're done with scanning all luns. 2048 * 2049 * Nuke the bogus device for lun 0 if lun 0 2050 * wasn't on the list. 2051 */ 2052 if (first != 0) { 2053 TAILQ_FOREACH(device, 2054 &target->ed_entries, links) { 2055 if (device->lun_id == 0) { 2056 break; 2057 } 2058 } 2059 if (device) { 2060 xpt_release_device(device); 2061 } 2062 } 2063 } 2064 } else if (request_ccb->ccb_h.status != CAM_REQ_CMP) { 2065 int phl; 2066 2067 /* 2068 * If we already probed lun 0 successfully, or 2069 * we have additional configured luns on this 2070 * target that might have "gone away", go onto 2071 * the next lun. 2072 */ 2073 /* 2074 * We may touch devices that we don't 2075 * hold references too, so ensure they 2076 * don't disappear out from under us. 2077 * The target above is referenced by the 2078 * path in the request ccb. 2079 */ 2080 phl = 0; 2081 device = TAILQ_FIRST(&target->ed_entries); 2082 if (device != NULL) { 2083 phl = CAN_SRCH_HI_SPARSE(device); 2084 if (device->lun_id == 0) 2085 device = TAILQ_NEXT(device, links); 2086 } 2087 if ((lun_id != 0) || (device != NULL)) { 2088 if (lun_id < (CAM_SCSI2_MAXLUN-1) || phl) { 2089 lun_id++; 2090 next_target = 0; 2091 } 2092 } 2093 if (lun_id == request_ccb->ccb_h.target_lun 2094 || lun_id > scan_info->cpi->max_lun) 2095 next_target = 1; 2096 } else { 2097 2098 device = request_ccb->ccb_h.path->device; 2099 2100 if ((SCSI_QUIRK(device)->quirks & 2101 CAM_QUIRK_NOLUNS) == 0) { 2102 /* Try the next lun */ 2103 if (lun_id < (CAM_SCSI2_MAXLUN-1) 2104 || CAN_SRCH_HI_DENSE(device)) { 2105 lun_id++; 2106 next_target = 0; 2107 } 2108 } 2109 if (lun_id == request_ccb->ccb_h.target_lun 2110 || lun_id > scan_info->cpi->max_lun) 2111 next_target = 1; 2112 } 2113 2114 /* 2115 * Check to see if we scan any further luns. 2116 */ 2117 if (next_target) { 2118 int done; 2119 2120 /* 2121 * Free the current request path- we're done with it. 2122 */ 2123 xpt_free_path(oldpath); 2124 hop_again: 2125 done = 0; 2126 if (scan_info->request_ccb->ccb_h.func_code == XPT_SCAN_TGT) { 2127 done = 1; 2128 } else if (scan_info->cpi->hba_misc & PIM_SEQSCAN) { 2129 scan_info->counter++; 2130 if (scan_info->counter == 2131 scan_info->cpi->initiator_id) { 2132 scan_info->counter++; 2133 } 2134 if (scan_info->counter >= 2135 scan_info->cpi->max_target+1) { 2136 done = 1; 2137 } 2138 } else { 2139 scan_info->counter--; 2140 if (scan_info->counter == 0) { 2141 done = 1; 2142 } 2143 } 2144 if (done) { 2145 xpt_free_ccb(request_ccb); 2146 xpt_free_ccb((union ccb *)scan_info->cpi); 2147 request_ccb = scan_info->request_ccb; 2148 CAM_DEBUG(request_ccb->ccb_h.path, 2149 CAM_DEBUG_TRACE, 2150 ("SCAN done for %p\n", scan_info)); 2151 free(scan_info, M_CAMXPT); 2152 request_ccb->ccb_h.status = CAM_REQ_CMP; 2153 xpt_done(request_ccb); 2154 break; 2155 } 2156 2157 if ((scan_info->cpi->hba_misc & PIM_SEQSCAN) == 0) { 2158 xpt_free_ccb(request_ccb); 2159 break; 2160 } 2161 status = xpt_create_path(&path, xpt_periph, 2162 scan_info->request_ccb->ccb_h.path_id, 2163 scan_info->counter, 0); 2164 if (status != CAM_REQ_CMP) { 2165 printf("scsi_scan_bus: xpt_create_path failed" 2166 " with status %#x, bus scan halted\n", 2167 status); 2168 xpt_free_ccb(request_ccb); 2169 xpt_free_ccb((union ccb *)scan_info->cpi); 2170 request_ccb = scan_info->request_ccb; 2171 free(scan_info, M_CAMXPT); 2172 request_ccb->ccb_h.status = status; 2173 xpt_done(request_ccb); 2174 break; 2175 } 2176 xpt_setup_ccb(&request_ccb->ccb_h, path, 2177 request_ccb->ccb_h.pinfo.priority); 2178 request_ccb->ccb_h.func_code = XPT_SCAN_LUN; 2179 request_ccb->ccb_h.cbfcnp = scsi_scan_bus; 2180 request_ccb->ccb_h.ppriv_ptr0 = scan_info; 2181 request_ccb->crcn.flags = 2182 scan_info->request_ccb->crcn.flags; 2183 } else { 2184 status = xpt_create_path(&path, xpt_periph, 2185 path_id, target_id, lun_id); 2186 /* 2187 * Free the old request path- we're done with it. We 2188 * do this *after* creating the new path so that 2189 * we don't remove a target that has our lun list 2190 * in the case that lun 0 is not present. 2191 */ 2192 xpt_free_path(oldpath); 2193 if (status != CAM_REQ_CMP) { 2194 printf("scsi_scan_bus: xpt_create_path failed " 2195 "with status %#x, halting LUN scan\n", 2196 status); 2197 goto hop_again; 2198 } 2199 xpt_setup_ccb(&request_ccb->ccb_h, path, 2200 request_ccb->ccb_h.pinfo.priority); 2201 request_ccb->ccb_h.func_code = XPT_SCAN_LUN; 2202 request_ccb->ccb_h.cbfcnp = scsi_scan_bus; 2203 request_ccb->ccb_h.ppriv_ptr0 = scan_info; 2204 request_ccb->crcn.flags = 2205 scan_info->request_ccb->crcn.flags; 2206 } 2207 xpt_action(request_ccb); 2208 break; 2209 } 2210 default: 2211 break; 2212 } 2213 } 2214 2215 static void 2216 scsi_scan_lun(struct cam_periph *periph, struct cam_path *path, 2217 cam_flags flags, union ccb *request_ccb) 2218 { 2219 struct ccb_pathinq cpi; 2220 cam_status status; 2221 struct cam_path *new_path; 2222 struct cam_periph *old_periph; 2223 2224 CAM_DEBUG(path, CAM_DEBUG_TRACE, ("scsi_scan_lun\n")); 2225 2226 xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NONE); 2227 cpi.ccb_h.func_code = XPT_PATH_INQ; 2228 xpt_action((union ccb *)&cpi); 2229 2230 if (cpi.ccb_h.status != CAM_REQ_CMP) { 2231 if (request_ccb != NULL) { 2232 request_ccb->ccb_h.status = cpi.ccb_h.status; 2233 xpt_done(request_ccb); 2234 } 2235 return; 2236 } 2237 2238 if ((cpi.hba_misc & PIM_NOINITIATOR) != 0) { 2239 /* 2240 * Can't scan the bus on an adapter that 2241 * cannot perform the initiator role. 2242 */ 2243 if (request_ccb != NULL) { 2244 request_ccb->ccb_h.status = CAM_REQ_CMP; 2245 xpt_done(request_ccb); 2246 } 2247 return; 2248 } 2249 2250 if (request_ccb == NULL) { 2251 request_ccb = malloc(sizeof(union ccb), M_CAMXPT, M_NOWAIT); 2252 if (request_ccb == NULL) { 2253 xpt_print(path, "scsi_scan_lun: can't allocate CCB, " 2254 "can't continue\n"); 2255 return; 2256 } 2257 new_path = malloc(sizeof(*new_path), M_CAMXPT, M_NOWAIT); 2258 if (new_path == NULL) { 2259 xpt_print(path, "scsi_scan_lun: can't allocate path, " 2260 "can't continue\n"); 2261 free(request_ccb, M_CAMXPT); 2262 return; 2263 } 2264 status = xpt_compile_path(new_path, xpt_periph, 2265 path->bus->path_id, 2266 path->target->target_id, 2267 path->device->lun_id); 2268 2269 if (status != CAM_REQ_CMP) { 2270 xpt_print(path, "scsi_scan_lun: can't compile path, " 2271 "can't continue\n"); 2272 free(request_ccb, M_CAMXPT); 2273 free(new_path, M_CAMXPT); 2274 return; 2275 } 2276 xpt_setup_ccb(&request_ccb->ccb_h, new_path, CAM_PRIORITY_XPT); 2277 request_ccb->ccb_h.cbfcnp = xptscandone; 2278 request_ccb->ccb_h.func_code = XPT_SCAN_LUN; 2279 request_ccb->crcn.flags = flags; 2280 } 2281 2282 if ((old_periph = cam_periph_find(path, "probe")) != NULL) { 2283 if ((old_periph->flags & CAM_PERIPH_INVALID) == 0) { 2284 probe_softc *softc; 2285 2286 softc = (probe_softc *)old_periph->softc; 2287 TAILQ_INSERT_TAIL(&softc->request_ccbs, 2288 &request_ccb->ccb_h, periph_links.tqe); 2289 } else { 2290 request_ccb->ccb_h.status = CAM_REQ_CMP_ERR; 2291 xpt_done(request_ccb); 2292 } 2293 } else { 2294 status = cam_periph_alloc(proberegister, NULL, probecleanup, 2295 probestart, "probe", 2296 CAM_PERIPH_BIO, 2297 request_ccb->ccb_h.path, NULL, 0, 2298 request_ccb); 2299 2300 if (status != CAM_REQ_CMP) { 2301 xpt_print(path, "scsi_scan_lun: cam_alloc_periph " 2302 "returned an error, can't continue probe\n"); 2303 request_ccb->ccb_h.status = status; 2304 xpt_done(request_ccb); 2305 } 2306 } 2307 } 2308 2309 static void 2310 xptscandone(struct cam_periph *periph, union ccb *done_ccb) 2311 { 2312 xpt_release_path(done_ccb->ccb_h.path); 2313 free(done_ccb->ccb_h.path, M_CAMXPT); 2314 free(done_ccb, M_CAMXPT); 2315 } 2316 2317 static struct cam_ed * 2318 scsi_alloc_device(struct cam_eb *bus, struct cam_et *target, lun_id_t lun_id) 2319 { 2320 struct cam_path path; 2321 struct scsi_quirk_entry *quirk; 2322 struct cam_ed *device; 2323 struct cam_ed *cur_device; 2324 2325 device = xpt_alloc_device(bus, target, lun_id); 2326 if (device == NULL) 2327 return (NULL); 2328 2329 /* 2330 * Take the default quirk entry until we have inquiry 2331 * data and can determine a better quirk to use. 2332 */ 2333 quirk = &scsi_quirk_table[scsi_quirk_table_size - 1]; 2334 device->quirk = (void *)quirk; 2335 device->mintags = quirk->mintags; 2336 device->maxtags = quirk->maxtags; 2337 bzero(&device->inq_data, sizeof(device->inq_data)); 2338 device->inq_flags = 0; 2339 device->queue_flags = 0; 2340 device->serial_num = NULL; 2341 device->serial_num_len = 0; 2342 device->device_id = NULL; 2343 device->device_id_len = 0; 2344 device->supported_vpds = NULL; 2345 device->supported_vpds_len = 0; 2346 2347 /* 2348 * XXX should be limited by number of CCBs this bus can 2349 * do. 2350 */ 2351 bus->sim->max_ccbs += device->ccbq.devq_openings; 2352 /* Insertion sort into our target's device list */ 2353 cur_device = TAILQ_FIRST(&target->ed_entries); 2354 while (cur_device != NULL && cur_device->lun_id < lun_id) 2355 cur_device = TAILQ_NEXT(cur_device, links); 2356 if (cur_device != NULL) { 2357 TAILQ_INSERT_BEFORE(cur_device, device, links); 2358 } else { 2359 TAILQ_INSERT_TAIL(&target->ed_entries, device, links); 2360 } 2361 target->generation++; 2362 if (lun_id != CAM_LUN_WILDCARD) { 2363 xpt_compile_path(&path, 2364 NULL, 2365 bus->path_id, 2366 target->target_id, 2367 lun_id); 2368 scsi_devise_transport(&path); 2369 xpt_release_path(&path); 2370 } 2371 2372 return (device); 2373 } 2374 2375 static void 2376 scsi_devise_transport(struct cam_path *path) 2377 { 2378 struct ccb_pathinq cpi; 2379 struct ccb_trans_settings cts; 2380 struct scsi_inquiry_data *inq_buf; 2381 2382 /* Get transport information from the SIM */ 2383 xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NONE); 2384 cpi.ccb_h.func_code = XPT_PATH_INQ; 2385 xpt_action((union ccb *)&cpi); 2386 2387 inq_buf = NULL; 2388 if ((path->device->flags & CAM_DEV_INQUIRY_DATA_VALID) != 0) 2389 inq_buf = &path->device->inq_data; 2390 path->device->protocol = PROTO_SCSI; 2391 path->device->protocol_version = 2392 inq_buf != NULL ? SID_ANSI_REV(inq_buf) : cpi.protocol_version; 2393 path->device->transport = cpi.transport; 2394 path->device->transport_version = cpi.transport_version; 2395 2396 /* 2397 * Any device not using SPI3 features should 2398 * be considered SPI2 or lower. 2399 */ 2400 if (inq_buf != NULL) { 2401 if (path->device->transport == XPORT_SPI 2402 && (inq_buf->spi3data & SID_SPI_MASK) == 0 2403 && path->device->transport_version > 2) 2404 path->device->transport_version = 2; 2405 } else { 2406 struct cam_ed* otherdev; 2407 2408 for (otherdev = TAILQ_FIRST(&path->target->ed_entries); 2409 otherdev != NULL; 2410 otherdev = TAILQ_NEXT(otherdev, links)) { 2411 if (otherdev != path->device) 2412 break; 2413 } 2414 2415 if (otherdev != NULL) { 2416 /* 2417 * Initially assume the same versioning as 2418 * prior luns for this target. 2419 */ 2420 path->device->protocol_version = 2421 otherdev->protocol_version; 2422 path->device->transport_version = 2423 otherdev->transport_version; 2424 } else { 2425 /* Until we know better, opt for safty */ 2426 path->device->protocol_version = 2; 2427 if (path->device->transport == XPORT_SPI) 2428 path->device->transport_version = 2; 2429 else 2430 path->device->transport_version = 0; 2431 } 2432 } 2433 2434 /* 2435 * XXX 2436 * For a device compliant with SPC-2 we should be able 2437 * to determine the transport version supported by 2438 * scrutinizing the version descriptors in the 2439 * inquiry buffer. 2440 */ 2441 2442 /* Tell the controller what we think */ 2443 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 2444 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 2445 cts.type = CTS_TYPE_CURRENT_SETTINGS; 2446 cts.transport = path->device->transport; 2447 cts.transport_version = path->device->transport_version; 2448 cts.protocol = path->device->protocol; 2449 cts.protocol_version = path->device->protocol_version; 2450 cts.proto_specific.valid = 0; 2451 cts.xport_specific.valid = 0; 2452 xpt_action((union ccb *)&cts); 2453 } 2454 2455 static void 2456 scsi_dev_advinfo(union ccb *start_ccb) 2457 { 2458 struct cam_ed *device; 2459 struct ccb_dev_advinfo *cdai; 2460 off_t amt; 2461 2462 start_ccb->ccb_h.status = CAM_REQ_INVALID; 2463 device = start_ccb->ccb_h.path->device; 2464 cdai = &start_ccb->cdai; 2465 switch(cdai->buftype) { 2466 case CDAI_TYPE_SCSI_DEVID: 2467 if (cdai->flags & CDAI_FLAG_STORE) 2468 return; 2469 cdai->provsiz = device->device_id_len; 2470 if (device->device_id_len == 0) 2471 break; 2472 amt = device->device_id_len; 2473 if (cdai->provsiz > cdai->bufsiz) 2474 amt = cdai->bufsiz; 2475 memcpy(cdai->buf, device->device_id, amt); 2476 break; 2477 case CDAI_TYPE_SERIAL_NUM: 2478 if (cdai->flags & CDAI_FLAG_STORE) 2479 return; 2480 cdai->provsiz = device->serial_num_len; 2481 if (device->serial_num_len == 0) 2482 break; 2483 amt = device->serial_num_len; 2484 if (cdai->provsiz > cdai->bufsiz) 2485 amt = cdai->bufsiz; 2486 memcpy(cdai->buf, device->serial_num, amt); 2487 break; 2488 case CDAI_TYPE_PHYS_PATH: 2489 if (cdai->flags & CDAI_FLAG_STORE) { 2490 if (device->physpath != NULL) { 2491 free(device->physpath, M_CAMXPT); 2492 device->physpath = NULL; 2493 } 2494 device->physpath_len = cdai->bufsiz; 2495 /* Clear existing buffer if zero length */ 2496 if (cdai->bufsiz == 0) 2497 break; 2498 device->physpath = malloc(cdai->bufsiz, M_CAMXPT, M_NOWAIT); 2499 if (device->physpath == NULL) { 2500 start_ccb->ccb_h.status = CAM_REQ_ABORTED; 2501 return; 2502 } 2503 memcpy(device->physpath, cdai->buf, cdai->bufsiz); 2504 } else { 2505 cdai->provsiz = device->physpath_len; 2506 if (device->physpath_len == 0) 2507 break; 2508 amt = device->physpath_len; 2509 if (cdai->provsiz > cdai->bufsiz) 2510 amt = cdai->bufsiz; 2511 memcpy(cdai->buf, device->physpath, amt); 2512 } 2513 break; 2514 case CDAI_TYPE_RCAPLONG: 2515 if (cdai->flags & CDAI_FLAG_STORE) { 2516 if (device->rcap_buf != NULL) { 2517 free(device->rcap_buf, M_CAMXPT); 2518 device->rcap_buf = NULL; 2519 } 2520 2521 device->rcap_len = cdai->bufsiz; 2522 /* Clear existing buffer if zero length */ 2523 if (cdai->bufsiz == 0) 2524 break; 2525 2526 device->rcap_buf = malloc(cdai->bufsiz, M_CAMXPT, 2527 M_NOWAIT); 2528 if (device->rcap_buf == NULL) { 2529 start_ccb->ccb_h.status = CAM_REQ_ABORTED; 2530 return; 2531 } 2532 2533 memcpy(device->rcap_buf, cdai->buf, cdai->bufsiz); 2534 } else { 2535 cdai->provsiz = device->rcap_len; 2536 if (device->rcap_len == 0) 2537 break; 2538 amt = device->rcap_len; 2539 if (cdai->provsiz > cdai->bufsiz) 2540 amt = cdai->bufsiz; 2541 memcpy(cdai->buf, device->rcap_buf, amt); 2542 } 2543 break; 2544 default: 2545 return; 2546 } 2547 start_ccb->ccb_h.status = CAM_REQ_CMP; 2548 2549 if (cdai->flags & CDAI_FLAG_STORE) { 2550 int owned; 2551 2552 owned = mtx_owned(start_ccb->ccb_h.path->bus->sim->mtx); 2553 if (owned == 0) 2554 mtx_lock(start_ccb->ccb_h.path->bus->sim->mtx); 2555 xpt_async(AC_ADVINFO_CHANGED, start_ccb->ccb_h.path, 2556 (void *)(uintptr_t)cdai->buftype); 2557 if (owned == 0) 2558 mtx_unlock(start_ccb->ccb_h.path->bus->sim->mtx); 2559 } 2560 } 2561 2562 static void 2563 scsi_action(union ccb *start_ccb) 2564 { 2565 2566 switch (start_ccb->ccb_h.func_code) { 2567 case XPT_SET_TRAN_SETTINGS: 2568 { 2569 scsi_set_transfer_settings(&start_ccb->cts, 2570 start_ccb->ccb_h.path->device, 2571 /*async_update*/FALSE); 2572 break; 2573 } 2574 case XPT_SCAN_BUS: 2575 case XPT_SCAN_TGT: 2576 scsi_scan_bus(start_ccb->ccb_h.path->periph, start_ccb); 2577 break; 2578 case XPT_SCAN_LUN: 2579 scsi_scan_lun(start_ccb->ccb_h.path->periph, 2580 start_ccb->ccb_h.path, start_ccb->crcn.flags, 2581 start_ccb); 2582 break; 2583 case XPT_GET_TRAN_SETTINGS: 2584 { 2585 struct cam_sim *sim; 2586 2587 sim = start_ccb->ccb_h.path->bus->sim; 2588 (*(sim->sim_action))(sim, start_ccb); 2589 break; 2590 } 2591 case XPT_DEV_ADVINFO: 2592 { 2593 scsi_dev_advinfo(start_ccb); 2594 break; 2595 } 2596 default: 2597 xpt_action_default(start_ccb); 2598 break; 2599 } 2600 } 2601 2602 static void 2603 scsi_set_transfer_settings(struct ccb_trans_settings *cts, struct cam_ed *device, 2604 int async_update) 2605 { 2606 struct ccb_pathinq cpi; 2607 struct ccb_trans_settings cur_cts; 2608 struct ccb_trans_settings_scsi *scsi; 2609 struct ccb_trans_settings_scsi *cur_scsi; 2610 struct cam_sim *sim; 2611 struct scsi_inquiry_data *inq_data; 2612 2613 if (device == NULL) { 2614 cts->ccb_h.status = CAM_PATH_INVALID; 2615 xpt_done((union ccb *)cts); 2616 return; 2617 } 2618 2619 if (cts->protocol == PROTO_UNKNOWN 2620 || cts->protocol == PROTO_UNSPECIFIED) { 2621 cts->protocol = device->protocol; 2622 cts->protocol_version = device->protocol_version; 2623 } 2624 2625 if (cts->protocol_version == PROTO_VERSION_UNKNOWN 2626 || cts->protocol_version == PROTO_VERSION_UNSPECIFIED) 2627 cts->protocol_version = device->protocol_version; 2628 2629 if (cts->protocol != device->protocol) { 2630 xpt_print(cts->ccb_h.path, "Uninitialized Protocol %x:%x?\n", 2631 cts->protocol, device->protocol); 2632 cts->protocol = device->protocol; 2633 } 2634 2635 if (cts->protocol_version > device->protocol_version) { 2636 if (bootverbose) { 2637 xpt_print(cts->ccb_h.path, "Down reving Protocol " 2638 "Version from %d to %d?\n", cts->protocol_version, 2639 device->protocol_version); 2640 } 2641 cts->protocol_version = device->protocol_version; 2642 } 2643 2644 if (cts->transport == XPORT_UNKNOWN 2645 || cts->transport == XPORT_UNSPECIFIED) { 2646 cts->transport = device->transport; 2647 cts->transport_version = device->transport_version; 2648 } 2649 2650 if (cts->transport_version == XPORT_VERSION_UNKNOWN 2651 || cts->transport_version == XPORT_VERSION_UNSPECIFIED) 2652 cts->transport_version = device->transport_version; 2653 2654 if (cts->transport != device->transport) { 2655 xpt_print(cts->ccb_h.path, "Uninitialized Transport %x:%x?\n", 2656 cts->transport, device->transport); 2657 cts->transport = device->transport; 2658 } 2659 2660 if (cts->transport_version > device->transport_version) { 2661 if (bootverbose) { 2662 xpt_print(cts->ccb_h.path, "Down reving Transport " 2663 "Version from %d to %d?\n", cts->transport_version, 2664 device->transport_version); 2665 } 2666 cts->transport_version = device->transport_version; 2667 } 2668 2669 sim = cts->ccb_h.path->bus->sim; 2670 2671 /* 2672 * Nothing more of interest to do unless 2673 * this is a device connected via the 2674 * SCSI protocol. 2675 */ 2676 if (cts->protocol != PROTO_SCSI) { 2677 if (async_update == FALSE) 2678 (*(sim->sim_action))(sim, (union ccb *)cts); 2679 return; 2680 } 2681 2682 inq_data = &device->inq_data; 2683 scsi = &cts->proto_specific.scsi; 2684 xpt_setup_ccb(&cpi.ccb_h, cts->ccb_h.path, CAM_PRIORITY_NONE); 2685 cpi.ccb_h.func_code = XPT_PATH_INQ; 2686 xpt_action((union ccb *)&cpi); 2687 2688 /* SCSI specific sanity checking */ 2689 if ((cpi.hba_inquiry & PI_TAG_ABLE) == 0 2690 || (INQ_DATA_TQ_ENABLED(inq_data)) == 0 2691 || (device->queue_flags & SCP_QUEUE_DQUE) != 0 2692 || (device->mintags == 0)) { 2693 /* 2694 * Can't tag on hardware that doesn't support tags, 2695 * doesn't have it enabled, or has broken tag support. 2696 */ 2697 scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB; 2698 } 2699 2700 if (async_update == FALSE) { 2701 /* 2702 * Perform sanity checking against what the 2703 * controller and device can do. 2704 */ 2705 xpt_setup_ccb(&cur_cts.ccb_h, cts->ccb_h.path, CAM_PRIORITY_NONE); 2706 cur_cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 2707 cur_cts.type = cts->type; 2708 xpt_action((union ccb *)&cur_cts); 2709 if ((cur_cts.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 2710 return; 2711 } 2712 cur_scsi = &cur_cts.proto_specific.scsi; 2713 if ((scsi->valid & CTS_SCSI_VALID_TQ) == 0) { 2714 scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB; 2715 scsi->flags |= cur_scsi->flags & CTS_SCSI_FLAGS_TAG_ENB; 2716 } 2717 if ((cur_scsi->valid & CTS_SCSI_VALID_TQ) == 0) 2718 scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB; 2719 } 2720 2721 /* SPI specific sanity checking */ 2722 if (cts->transport == XPORT_SPI && async_update == FALSE) { 2723 u_int spi3caps; 2724 struct ccb_trans_settings_spi *spi; 2725 struct ccb_trans_settings_spi *cur_spi; 2726 2727 spi = &cts->xport_specific.spi; 2728 2729 cur_spi = &cur_cts.xport_specific.spi; 2730 2731 /* Fill in any gaps in what the user gave us */ 2732 if ((spi->valid & CTS_SPI_VALID_SYNC_RATE) == 0) 2733 spi->sync_period = cur_spi->sync_period; 2734 if ((cur_spi->valid & CTS_SPI_VALID_SYNC_RATE) == 0) 2735 spi->sync_period = 0; 2736 if ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) == 0) 2737 spi->sync_offset = cur_spi->sync_offset; 2738 if ((cur_spi->valid & CTS_SPI_VALID_SYNC_OFFSET) == 0) 2739 spi->sync_offset = 0; 2740 if ((spi->valid & CTS_SPI_VALID_PPR_OPTIONS) == 0) 2741 spi->ppr_options = cur_spi->ppr_options; 2742 if ((cur_spi->valid & CTS_SPI_VALID_PPR_OPTIONS) == 0) 2743 spi->ppr_options = 0; 2744 if ((spi->valid & CTS_SPI_VALID_BUS_WIDTH) == 0) 2745 spi->bus_width = cur_spi->bus_width; 2746 if ((cur_spi->valid & CTS_SPI_VALID_BUS_WIDTH) == 0) 2747 spi->bus_width = 0; 2748 if ((spi->valid & CTS_SPI_VALID_DISC) == 0) { 2749 spi->flags &= ~CTS_SPI_FLAGS_DISC_ENB; 2750 spi->flags |= cur_spi->flags & CTS_SPI_FLAGS_DISC_ENB; 2751 } 2752 if ((cur_spi->valid & CTS_SPI_VALID_DISC) == 0) 2753 spi->flags &= ~CTS_SPI_FLAGS_DISC_ENB; 2754 if (((device->flags & CAM_DEV_INQUIRY_DATA_VALID) != 0 2755 && (inq_data->flags & SID_Sync) == 0 2756 && cts->type == CTS_TYPE_CURRENT_SETTINGS) 2757 || ((cpi.hba_inquiry & PI_SDTR_ABLE) == 0)) { 2758 /* Force async */ 2759 spi->sync_period = 0; 2760 spi->sync_offset = 0; 2761 } 2762 2763 switch (spi->bus_width) { 2764 case MSG_EXT_WDTR_BUS_32_BIT: 2765 if (((device->flags & CAM_DEV_INQUIRY_DATA_VALID) == 0 2766 || (inq_data->flags & SID_WBus32) != 0 2767 || cts->type == CTS_TYPE_USER_SETTINGS) 2768 && (cpi.hba_inquiry & PI_WIDE_32) != 0) 2769 break; 2770 /* Fall Through to 16-bit */ 2771 case MSG_EXT_WDTR_BUS_16_BIT: 2772 if (((device->flags & CAM_DEV_INQUIRY_DATA_VALID) == 0 2773 || (inq_data->flags & SID_WBus16) != 0 2774 || cts->type == CTS_TYPE_USER_SETTINGS) 2775 && (cpi.hba_inquiry & PI_WIDE_16) != 0) { 2776 spi->bus_width = MSG_EXT_WDTR_BUS_16_BIT; 2777 break; 2778 } 2779 /* Fall Through to 8-bit */ 2780 default: /* New bus width?? */ 2781 case MSG_EXT_WDTR_BUS_8_BIT: 2782 /* All targets can do this */ 2783 spi->bus_width = MSG_EXT_WDTR_BUS_8_BIT; 2784 break; 2785 } 2786 2787 spi3caps = cpi.xport_specific.spi.ppr_options; 2788 if ((device->flags & CAM_DEV_INQUIRY_DATA_VALID) != 0 2789 && cts->type == CTS_TYPE_CURRENT_SETTINGS) 2790 spi3caps &= inq_data->spi3data; 2791 2792 if ((spi3caps & SID_SPI_CLOCK_DT) == 0) 2793 spi->ppr_options &= ~MSG_EXT_PPR_DT_REQ; 2794 2795 if ((spi3caps & SID_SPI_IUS) == 0) 2796 spi->ppr_options &= ~MSG_EXT_PPR_IU_REQ; 2797 2798 if ((spi3caps & SID_SPI_QAS) == 0) 2799 spi->ppr_options &= ~MSG_EXT_PPR_QAS_REQ; 2800 2801 /* No SPI Transfer settings are allowed unless we are wide */ 2802 if (spi->bus_width == 0) 2803 spi->ppr_options = 0; 2804 2805 if ((spi->valid & CTS_SPI_VALID_DISC) 2806 && ((spi->flags & CTS_SPI_FLAGS_DISC_ENB) == 0)) { 2807 /* 2808 * Can't tag queue without disconnection. 2809 */ 2810 scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB; 2811 scsi->valid |= CTS_SCSI_VALID_TQ; 2812 } 2813 2814 /* 2815 * If we are currently performing tagged transactions to 2816 * this device and want to change its negotiation parameters, 2817 * go non-tagged for a bit to give the controller a chance to 2818 * negotiate unhampered by tag messages. 2819 */ 2820 if (cts->type == CTS_TYPE_CURRENT_SETTINGS 2821 && (device->inq_flags & SID_CmdQue) != 0 2822 && (scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0 2823 && (spi->flags & (CTS_SPI_VALID_SYNC_RATE| 2824 CTS_SPI_VALID_SYNC_OFFSET| 2825 CTS_SPI_VALID_BUS_WIDTH)) != 0) 2826 scsi_toggle_tags(cts->ccb_h.path); 2827 } 2828 2829 if (cts->type == CTS_TYPE_CURRENT_SETTINGS 2830 && (scsi->valid & CTS_SCSI_VALID_TQ) != 0) { 2831 int device_tagenb; 2832 2833 /* 2834 * If we are transitioning from tags to no-tags or 2835 * vice-versa, we need to carefully freeze and restart 2836 * the queue so that we don't overlap tagged and non-tagged 2837 * commands. We also temporarily stop tags if there is 2838 * a change in transfer negotiation settings to allow 2839 * "tag-less" negotiation. 2840 */ 2841 if ((device->flags & CAM_DEV_TAG_AFTER_COUNT) != 0 2842 || (device->inq_flags & SID_CmdQue) != 0) 2843 device_tagenb = TRUE; 2844 else 2845 device_tagenb = FALSE; 2846 2847 if (((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0 2848 && device_tagenb == FALSE) 2849 || ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) == 0 2850 && device_tagenb == TRUE)) { 2851 2852 if ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0) { 2853 /* 2854 * Delay change to use tags until after a 2855 * few commands have gone to this device so 2856 * the controller has time to perform transfer 2857 * negotiations without tagged messages getting 2858 * in the way. 2859 */ 2860 device->tag_delay_count = CAM_TAG_DELAY_COUNT; 2861 device->flags |= CAM_DEV_TAG_AFTER_COUNT; 2862 } else { 2863 xpt_stop_tags(cts->ccb_h.path); 2864 } 2865 } 2866 } 2867 if (async_update == FALSE) 2868 (*(sim->sim_action))(sim, (union ccb *)cts); 2869 } 2870 2871 static void 2872 scsi_toggle_tags(struct cam_path *path) 2873 { 2874 struct cam_ed *dev; 2875 2876 /* 2877 * Give controllers a chance to renegotiate 2878 * before starting tag operations. We 2879 * "toggle" tagged queuing off then on 2880 * which causes the tag enable command delay 2881 * counter to come into effect. 2882 */ 2883 dev = path->device; 2884 if ((dev->flags & CAM_DEV_TAG_AFTER_COUNT) != 0 2885 || ((dev->inq_flags & SID_CmdQue) != 0 2886 && (dev->inq_flags & (SID_Sync|SID_WBus16|SID_WBus32)) != 0)) { 2887 struct ccb_trans_settings cts; 2888 2889 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 2890 cts.protocol = PROTO_SCSI; 2891 cts.protocol_version = PROTO_VERSION_UNSPECIFIED; 2892 cts.transport = XPORT_UNSPECIFIED; 2893 cts.transport_version = XPORT_VERSION_UNSPECIFIED; 2894 cts.proto_specific.scsi.flags = 0; 2895 cts.proto_specific.scsi.valid = CTS_SCSI_VALID_TQ; 2896 scsi_set_transfer_settings(&cts, path->device, 2897 /*async_update*/TRUE); 2898 cts.proto_specific.scsi.flags = CTS_SCSI_FLAGS_TAG_ENB; 2899 scsi_set_transfer_settings(&cts, path->device, 2900 /*async_update*/TRUE); 2901 } 2902 } 2903 2904 /* 2905 * Handle any per-device event notifications that require action by the XPT. 2906 */ 2907 static void 2908 scsi_dev_async(u_int32_t async_code, struct cam_eb *bus, struct cam_et *target, 2909 struct cam_ed *device, void *async_arg) 2910 { 2911 cam_status status; 2912 struct cam_path newpath; 2913 2914 /* 2915 * We only need to handle events for real devices. 2916 */ 2917 if (target->target_id == CAM_TARGET_WILDCARD 2918 || device->lun_id == CAM_LUN_WILDCARD) 2919 return; 2920 2921 /* 2922 * We need our own path with wildcards expanded to 2923 * handle certain types of events. 2924 */ 2925 if ((async_code == AC_SENT_BDR) 2926 || (async_code == AC_BUS_RESET) 2927 || (async_code == AC_INQ_CHANGED)) 2928 status = xpt_compile_path(&newpath, NULL, 2929 bus->path_id, 2930 target->target_id, 2931 device->lun_id); 2932 else 2933 status = CAM_REQ_CMP_ERR; 2934 2935 if (status == CAM_REQ_CMP) { 2936 2937 /* 2938 * Allow transfer negotiation to occur in a 2939 * tag free environment and after settle delay. 2940 */ 2941 if (async_code == AC_SENT_BDR 2942 || async_code == AC_BUS_RESET) { 2943 cam_freeze_devq(&newpath); 2944 cam_release_devq(&newpath, 2945 RELSIM_RELEASE_AFTER_TIMEOUT, 2946 /*reduction*/0, 2947 /*timeout*/scsi_delay, 2948 /*getcount_only*/0); 2949 scsi_toggle_tags(&newpath); 2950 } 2951 2952 if (async_code == AC_INQ_CHANGED) { 2953 /* 2954 * We've sent a start unit command, or 2955 * something similar to a device that 2956 * may have caused its inquiry data to 2957 * change. So we re-scan the device to 2958 * refresh the inquiry data for it. 2959 */ 2960 scsi_scan_lun(newpath.periph, &newpath, 2961 CAM_EXPECT_INQ_CHANGE, NULL); 2962 } 2963 xpt_release_path(&newpath); 2964 } else if (async_code == AC_LOST_DEVICE && 2965 (device->flags & CAM_DEV_UNCONFIGURED) == 0) { 2966 device->flags |= CAM_DEV_UNCONFIGURED; 2967 xpt_release_device(device); 2968 } else if (async_code == AC_TRANSFER_NEG) { 2969 struct ccb_trans_settings *settings; 2970 2971 settings = (struct ccb_trans_settings *)async_arg; 2972 scsi_set_transfer_settings(settings, device, 2973 /*async_update*/TRUE); 2974 } 2975 } 2976 2977 static void 2978 scsi_announce_periph(struct cam_periph *periph) 2979 { 2980 struct ccb_pathinq cpi; 2981 struct ccb_trans_settings cts; 2982 struct cam_path *path = periph->path; 2983 u_int speed; 2984 u_int freq; 2985 u_int mb; 2986 2987 mtx_assert(periph->sim->mtx, MA_OWNED); 2988 2989 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NORMAL); 2990 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 2991 cts.type = CTS_TYPE_CURRENT_SETTINGS; 2992 xpt_action((union ccb*)&cts); 2993 if ((cts.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) 2994 return; 2995 /* Ask the SIM for its base transfer speed */ 2996 xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NORMAL); 2997 cpi.ccb_h.func_code = XPT_PATH_INQ; 2998 xpt_action((union ccb *)&cpi); 2999 /* Report connection speed */ 3000 speed = cpi.base_transfer_speed; 3001 freq = 0; 3002 if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_SPI) { 3003 struct ccb_trans_settings_spi *spi = 3004 &cts.xport_specific.spi; 3005 3006 if ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) != 0 3007 && spi->sync_offset != 0) { 3008 freq = scsi_calc_syncsrate(spi->sync_period); 3009 speed = freq; 3010 } 3011 if ((spi->valid & CTS_SPI_VALID_BUS_WIDTH) != 0) 3012 speed *= (0x01 << spi->bus_width); 3013 } 3014 if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_FC) { 3015 struct ccb_trans_settings_fc *fc = 3016 &cts.xport_specific.fc; 3017 3018 if (fc->valid & CTS_FC_VALID_SPEED) 3019 speed = fc->bitrate; 3020 } 3021 if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_SAS) { 3022 struct ccb_trans_settings_sas *sas = 3023 &cts.xport_specific.sas; 3024 3025 if (sas->valid & CTS_SAS_VALID_SPEED) 3026 speed = sas->bitrate; 3027 } 3028 mb = speed / 1000; 3029 if (mb > 0) 3030 printf("%s%d: %d.%03dMB/s transfers", 3031 periph->periph_name, periph->unit_number, 3032 mb, speed % 1000); 3033 else 3034 printf("%s%d: %dKB/s transfers", periph->periph_name, 3035 periph->unit_number, speed); 3036 /* Report additional information about SPI connections */ 3037 if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_SPI) { 3038 struct ccb_trans_settings_spi *spi; 3039 3040 spi = &cts.xport_specific.spi; 3041 if (freq != 0) { 3042 printf(" (%d.%03dMHz%s, offset %d", freq / 1000, 3043 freq % 1000, 3044 (spi->ppr_options & MSG_EXT_PPR_DT_REQ) != 0 3045 ? " DT" : "", 3046 spi->sync_offset); 3047 } 3048 if ((spi->valid & CTS_SPI_VALID_BUS_WIDTH) != 0 3049 && spi->bus_width > 0) { 3050 if (freq != 0) { 3051 printf(", "); 3052 } else { 3053 printf(" ("); 3054 } 3055 printf("%dbit)", 8 * (0x01 << spi->bus_width)); 3056 } else if (freq != 0) { 3057 printf(")"); 3058 } 3059 } 3060 if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_FC) { 3061 struct ccb_trans_settings_fc *fc; 3062 3063 fc = &cts.xport_specific.fc; 3064 if (fc->valid & CTS_FC_VALID_WWNN) 3065 printf(" WWNN 0x%llx", (long long) fc->wwnn); 3066 if (fc->valid & CTS_FC_VALID_WWPN) 3067 printf(" WWPN 0x%llx", (long long) fc->wwpn); 3068 if (fc->valid & CTS_FC_VALID_PORT) 3069 printf(" PortID 0x%x", fc->port); 3070 } 3071 printf("\n"); 3072 } 3073 3074