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 static int sysctl_cam_search_luns(SYSCTL_HANDLER_ARGS); 82 SYSCTL_PROC(_kern_cam, OID_AUTO, cam_srch_hi, CTLTYPE_INT | CTLFLAG_RWTUN, 0, 0, 83 sysctl_cam_search_luns, "I", 84 "allow search above LUN 7 for SCSI3 and greater devices"); 85 86 #define CAM_SCSI2_MAXLUN 8 87 #define CAM_CAN_GET_SIMPLE_LUN(x, i) \ 88 ((((x)->luns[i].lundata[0] & RPL_LUNDATA_ATYP_MASK) == \ 89 RPL_LUNDATA_ATYP_PERIPH) || \ 90 (((x)->luns[i].lundata[0] & RPL_LUNDATA_ATYP_MASK) == \ 91 RPL_LUNDATA_ATYP_FLAT)) 92 #define CAM_GET_SIMPLE_LUN(lp, i, lval) \ 93 if (((lp)->luns[(i)].lundata[0] & RPL_LUNDATA_ATYP_MASK) == \ 94 RPL_LUNDATA_ATYP_PERIPH) { \ 95 (lval) = (lp)->luns[(i)].lundata[1]; \ 96 } else { \ 97 (lval) = (lp)->luns[(i)].lundata[0]; \ 98 (lval) &= RPL_LUNDATA_FLAT_LUN_MASK; \ 99 (lval) <<= 8; \ 100 (lval) |= (lp)->luns[(i)].lundata[1]; \ 101 } 102 #define CAM_GET_LUN(lp, i, lval) \ 103 (lval) = scsi_8btou64((lp)->luns[(i)].lundata); \ 104 (lval) = CAM_EXTLUN_BYTE_SWIZZLE(lval); 105 106 /* 107 * If we're not quirked to search <= the first 8 luns 108 * and we are either quirked to search above lun 8, 109 * or we're > SCSI-2 and we've enabled hilun searching, 110 * or we're > SCSI-2 and the last lun was a success, 111 * we can look for luns above lun 8. 112 */ 113 #define CAN_SRCH_HI_SPARSE(dv) \ 114 (((SCSI_QUIRK(dv)->quirks & CAM_QUIRK_NOHILUNS) == 0) \ 115 && ((SCSI_QUIRK(dv)->quirks & CAM_QUIRK_HILUNS) \ 116 || (SID_ANSI_REV(&dv->inq_data) > SCSI_REV_2 && cam_srch_hi))) 117 118 #define CAN_SRCH_HI_DENSE(dv) \ 119 (((SCSI_QUIRK(dv)->quirks & CAM_QUIRK_NOHILUNS) == 0) \ 120 && ((SCSI_QUIRK(dv)->quirks & CAM_QUIRK_HILUNS) \ 121 || (SID_ANSI_REV(&dv->inq_data) > SCSI_REV_2))) 122 123 static periph_init_t probe_periph_init; 124 125 static struct periph_driver probe_driver = 126 { 127 probe_periph_init, "probe", 128 TAILQ_HEAD_INITIALIZER(probe_driver.units), /* generation */ 0, 129 CAM_PERIPH_DRV_EARLY 130 }; 131 132 PERIPHDRIVER_DECLARE(probe, probe_driver); 133 134 typedef enum { 135 PROBE_TUR, 136 PROBE_INQUIRY, /* this counts as DV0 for Basic Domain Validation */ 137 PROBE_FULL_INQUIRY, 138 PROBE_REPORT_LUNS, 139 PROBE_MODE_SENSE, 140 PROBE_SUPPORTED_VPD_LIST, 141 PROBE_DEVICE_ID, 142 PROBE_EXTENDED_INQUIRY, 143 PROBE_SERIAL_NUM, 144 PROBE_TUR_FOR_NEGOTIATION, 145 PROBE_INQUIRY_BASIC_DV1, 146 PROBE_INQUIRY_BASIC_DV2, 147 PROBE_DV_EXIT, 148 PROBE_DONE, 149 PROBE_INVALID 150 } probe_action; 151 152 static char *probe_action_text[] = { 153 "PROBE_TUR", 154 "PROBE_INQUIRY", 155 "PROBE_FULL_INQUIRY", 156 "PROBE_REPORT_LUNS", 157 "PROBE_MODE_SENSE", 158 "PROBE_SUPPORTED_VPD_LIST", 159 "PROBE_DEVICE_ID", 160 "PROBE_EXTENDED_INQUIRY", 161 "PROBE_SERIAL_NUM", 162 "PROBE_TUR_FOR_NEGOTIATION", 163 "PROBE_INQUIRY_BASIC_DV1", 164 "PROBE_INQUIRY_BASIC_DV2", 165 "PROBE_DV_EXIT", 166 "PROBE_DONE", 167 "PROBE_INVALID" 168 }; 169 170 #define PROBE_SET_ACTION(softc, newaction) \ 171 do { \ 172 char **text; \ 173 text = probe_action_text; \ 174 CAM_DEBUG((softc)->periph->path, CAM_DEBUG_PROBE, \ 175 ("Probe %s to %s\n", text[(softc)->action], \ 176 text[(newaction)])); \ 177 (softc)->action = (newaction); \ 178 } while(0) 179 180 typedef enum { 181 PROBE_INQUIRY_CKSUM = 0x01, 182 PROBE_SERIAL_CKSUM = 0x02, 183 PROBE_NO_ANNOUNCE = 0x04, 184 PROBE_EXTLUN = 0x08 185 } probe_flags; 186 187 typedef struct { 188 TAILQ_HEAD(, ccb_hdr) request_ccbs; 189 probe_action action; 190 union ccb saved_ccb; 191 probe_flags flags; 192 MD5_CTX context; 193 u_int8_t digest[16]; 194 struct cam_periph *periph; 195 } probe_softc; 196 197 static const char quantum[] = "QUANTUM"; 198 static const char sony[] = "SONY"; 199 static const char west_digital[] = "WDIGTL"; 200 static const char samsung[] = "SAMSUNG"; 201 static const char seagate[] = "SEAGATE"; 202 static const char microp[] = "MICROP"; 203 204 static struct scsi_quirk_entry scsi_quirk_table[] = 205 { 206 { 207 /* Reports QUEUE FULL for temporary resource shortages */ 208 { T_DIRECT, SIP_MEDIA_FIXED, quantum, "XP39100*", "*" }, 209 /*quirks*/0, /*mintags*/24, /*maxtags*/32 210 }, 211 { 212 /* Reports QUEUE FULL for temporary resource shortages */ 213 { T_DIRECT, SIP_MEDIA_FIXED, quantum, "XP34550*", "*" }, 214 /*quirks*/0, /*mintags*/24, /*maxtags*/32 215 }, 216 { 217 /* Reports QUEUE FULL for temporary resource shortages */ 218 { T_DIRECT, SIP_MEDIA_FIXED, quantum, "XP32275*", "*" }, 219 /*quirks*/0, /*mintags*/24, /*maxtags*/32 220 }, 221 { 222 /* Broken tagged queuing drive */ 223 { T_DIRECT, SIP_MEDIA_FIXED, microp, "4421-07*", "*" }, 224 /*quirks*/0, /*mintags*/0, /*maxtags*/0 225 }, 226 { 227 /* Broken tagged queuing drive */ 228 { T_DIRECT, SIP_MEDIA_FIXED, "HP", "C372*", "*" }, 229 /*quirks*/0, /*mintags*/0, /*maxtags*/0 230 }, 231 { 232 /* Broken tagged queuing drive */ 233 { T_DIRECT, SIP_MEDIA_FIXED, microp, "3391*", "x43h" }, 234 /*quirks*/0, /*mintags*/0, /*maxtags*/0 235 }, 236 { 237 /* 238 * Unfortunately, the Quantum Atlas III has the same 239 * problem as the Atlas II drives above. 240 * Reported by: "Johan Granlund" <johan@granlund.nu> 241 * 242 * For future reference, the drive with the problem was: 243 * QUANTUM QM39100TD-SW N1B0 244 * 245 * It's possible that Quantum will fix the problem in later 246 * firmware revisions. If that happens, the quirk entry 247 * will need to be made specific to the firmware revisions 248 * with the problem. 249 * 250 */ 251 /* Reports QUEUE FULL for temporary resource shortages */ 252 { T_DIRECT, SIP_MEDIA_FIXED, quantum, "QM39100*", "*" }, 253 /*quirks*/0, /*mintags*/24, /*maxtags*/32 254 }, 255 { 256 /* 257 * 18 Gig Atlas III, same problem as the 9G version. 258 * Reported by: Andre Albsmeier 259 * <andre.albsmeier@mchp.siemens.de> 260 * 261 * For future reference, the drive with the problem was: 262 * QUANTUM QM318000TD-S N491 263 */ 264 /* Reports QUEUE FULL for temporary resource shortages */ 265 { T_DIRECT, SIP_MEDIA_FIXED, quantum, "QM318000*", "*" }, 266 /*quirks*/0, /*mintags*/24, /*maxtags*/32 267 }, 268 { 269 /* 270 * Broken tagged queuing drive 271 * Reported by: Bret Ford <bford@uop.cs.uop.edu> 272 * and: Martin Renters <martin@tdc.on.ca> 273 */ 274 { T_DIRECT, SIP_MEDIA_FIXED, seagate, "ST410800*", "71*" }, 275 /*quirks*/0, /*mintags*/0, /*maxtags*/0 276 }, 277 /* 278 * The Seagate Medalist Pro drives have very poor write 279 * performance with anything more than 2 tags. 280 * 281 * Reported by: Paul van der Zwan <paulz@trantor.xs4all.nl> 282 * Drive: <SEAGATE ST36530N 1444> 283 * 284 * Reported by: Jeremy Lea <reg@shale.csir.co.za> 285 * Drive: <SEAGATE ST34520W 1281> 286 * 287 * No one has actually reported that the 9G version 288 * (ST39140*) of the Medalist Pro has the same problem, but 289 * we're assuming that it does because the 4G and 6.5G 290 * versions of the drive are broken. 291 */ 292 { 293 { T_DIRECT, SIP_MEDIA_FIXED, seagate, "ST34520*", "*"}, 294 /*quirks*/0, /*mintags*/2, /*maxtags*/2 295 }, 296 { 297 { T_DIRECT, SIP_MEDIA_FIXED, seagate, "ST36530*", "*"}, 298 /*quirks*/0, /*mintags*/2, /*maxtags*/2 299 }, 300 { 301 { T_DIRECT, SIP_MEDIA_FIXED, seagate, "ST39140*", "*"}, 302 /*quirks*/0, /*mintags*/2, /*maxtags*/2 303 }, 304 { 305 /* 306 * Experiences command timeouts under load with a 307 * tag count higher than 55. 308 */ 309 { T_DIRECT, SIP_MEDIA_FIXED, seagate, "ST3146855LW", "*"}, 310 /*quirks*/0, /*mintags*/2, /*maxtags*/55 311 }, 312 { 313 /* 314 * Slow when tagged queueing is enabled. Write performance 315 * steadily drops off with more and more concurrent 316 * transactions. Best sequential write performance with 317 * tagged queueing turned off and write caching turned on. 318 * 319 * PR: kern/10398 320 * Submitted by: Hideaki Okada <hokada@isl.melco.co.jp> 321 * Drive: DCAS-34330 w/ "S65A" firmware. 322 * 323 * The drive with the problem had the "S65A" firmware 324 * revision, and has also been reported (by Stephen J. 325 * Roznowski <sjr@home.net>) for a drive with the "S61A" 326 * firmware revision. 327 * 328 * Although no one has reported problems with the 2 gig 329 * version of the DCAS drive, the assumption is that it 330 * has the same problems as the 4 gig version. Therefore 331 * this quirk entries disables tagged queueing for all 332 * DCAS drives. 333 */ 334 { T_DIRECT, SIP_MEDIA_FIXED, "IBM", "DCAS*", "*" }, 335 /*quirks*/0, /*mintags*/0, /*maxtags*/0 336 }, 337 { 338 /* Broken tagged queuing drive */ 339 { T_DIRECT, SIP_MEDIA_REMOVABLE, "iomega", "jaz*", "*" }, 340 /*quirks*/0, /*mintags*/0, /*maxtags*/0 341 }, 342 { 343 /* Broken tagged queuing drive */ 344 { T_DIRECT, SIP_MEDIA_FIXED, "CONNER", "CFP2107*", "*" }, 345 /*quirks*/0, /*mintags*/0, /*maxtags*/0 346 }, 347 { 348 /* This does not support other than LUN 0 */ 349 { T_DIRECT, SIP_MEDIA_FIXED, "VMware*", "*", "*" }, 350 CAM_QUIRK_NOLUNS, /*mintags*/2, /*maxtags*/255 351 }, 352 { 353 /* 354 * Broken tagged queuing drive. 355 * Submitted by: 356 * NAKAJI Hiroyuki <nakaji@zeisei.dpri.kyoto-u.ac.jp> 357 * in PR kern/9535 358 */ 359 { T_DIRECT, SIP_MEDIA_FIXED, samsung, "WN34324U*", "*" }, 360 /*quirks*/0, /*mintags*/0, /*maxtags*/0 361 }, 362 { 363 /* 364 * Slow when tagged queueing is enabled. (1.5MB/sec versus 365 * 8MB/sec.) 366 * Submitted by: Andrew Gallatin <gallatin@cs.duke.edu> 367 * Best performance with these drives is achieved with 368 * tagged queueing turned off, and write caching turned on. 369 */ 370 { T_DIRECT, SIP_MEDIA_FIXED, west_digital, "WDE*", "*" }, 371 /*quirks*/0, /*mintags*/0, /*maxtags*/0 372 }, 373 { 374 /* 375 * Slow when tagged queueing is enabled. (1.5MB/sec versus 376 * 8MB/sec.) 377 * Submitted by: Andrew Gallatin <gallatin@cs.duke.edu> 378 * Best performance with these drives is achieved with 379 * tagged queueing turned off, and write caching turned on. 380 */ 381 { T_DIRECT, SIP_MEDIA_FIXED, west_digital, "ENTERPRISE", "*" }, 382 /*quirks*/0, /*mintags*/0, /*maxtags*/0 383 }, 384 { 385 /* 386 * Doesn't handle queue full condition correctly, 387 * so we need to limit maxtags to what the device 388 * can handle instead of determining this automatically. 389 */ 390 { T_DIRECT, SIP_MEDIA_FIXED, samsung, "WN321010S*", "*" }, 391 /*quirks*/0, /*mintags*/2, /*maxtags*/32 392 }, 393 { 394 /* Really only one LUN */ 395 { T_ENCLOSURE, SIP_MEDIA_FIXED, "SUN", "SENA", "*" }, 396 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 397 }, 398 { 399 /* I can't believe we need a quirk for DPT volumes. */ 400 { T_ANY, SIP_MEDIA_FIXED|SIP_MEDIA_REMOVABLE, "DPT", "*", "*" }, 401 CAM_QUIRK_NOLUNS, 402 /*mintags*/0, /*maxtags*/255 403 }, 404 { 405 /* 406 * Many Sony CDROM drives don't like multi-LUN probing. 407 */ 408 { T_CDROM, SIP_MEDIA_REMOVABLE, sony, "CD-ROM CDU*", "*" }, 409 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 410 }, 411 { 412 /* 413 * This drive doesn't like multiple LUN probing. 414 * Submitted by: Parag Patel <parag@cgt.com> 415 */ 416 { T_WORM, SIP_MEDIA_REMOVABLE, sony, "CD-R CDU9*", "*" }, 417 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 418 }, 419 { 420 { T_WORM, SIP_MEDIA_REMOVABLE, "YAMAHA", "CDR100*", "*" }, 421 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 422 }, 423 { 424 /* 425 * The 8200 doesn't like multi-lun probing, and probably 426 * don't like serial number requests either. 427 */ 428 { 429 T_SEQUENTIAL, SIP_MEDIA_REMOVABLE, "EXABYTE", 430 "EXB-8200*", "*" 431 }, 432 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 433 }, 434 { 435 /* 436 * Let's try the same as above, but for a drive that says 437 * it's an IPL-6860 but is actually an EXB 8200. 438 */ 439 { 440 T_SEQUENTIAL, SIP_MEDIA_REMOVABLE, "EXABYTE", 441 "IPL-6860*", "*" 442 }, 443 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 444 }, 445 { 446 /* 447 * These Hitachi drives don't like multi-lun probing. 448 * The PR submitter has a DK319H, but says that the Linux 449 * kernel has a similar work-around for the DK312 and DK314, 450 * so all DK31* drives are quirked here. 451 * PR: misc/18793 452 * Submitted by: Paul Haddad <paul@pth.com> 453 */ 454 { T_DIRECT, SIP_MEDIA_FIXED, "HITACHI", "DK31*", "*" }, 455 CAM_QUIRK_NOLUNS, /*mintags*/2, /*maxtags*/255 456 }, 457 { 458 /* 459 * The Hitachi CJ series with J8A8 firmware apparently has 460 * problems with tagged commands. 461 * PR: 23536 462 * Reported by: amagai@nue.org 463 */ 464 { T_DIRECT, SIP_MEDIA_FIXED, "HITACHI", "DK32CJ*", "J8A8" }, 465 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 466 }, 467 { 468 /* 469 * These are the large storage arrays. 470 * Submitted by: William Carrel <william.carrel@infospace.com> 471 */ 472 { T_DIRECT, SIP_MEDIA_FIXED, "HITACHI", "OPEN*", "*" }, 473 CAM_QUIRK_HILUNS, 2, 1024 474 }, 475 { 476 /* 477 * This old revision of the TDC3600 is also SCSI-1, and 478 * hangs upon serial number probing. 479 */ 480 { 481 T_SEQUENTIAL, SIP_MEDIA_REMOVABLE, "TANDBERG", 482 " TDC 3600", "U07:" 483 }, 484 CAM_QUIRK_NOVPDS, /*mintags*/0, /*maxtags*/0 485 }, 486 { 487 /* 488 * Would repond to all LUNs if asked for. 489 */ 490 { 491 T_SEQUENTIAL, SIP_MEDIA_REMOVABLE, "CALIPER", 492 "CP150", "*" 493 }, 494 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 495 }, 496 { 497 /* 498 * Would repond to all LUNs if asked for. 499 */ 500 { 501 T_SEQUENTIAL, SIP_MEDIA_REMOVABLE, "KENNEDY", 502 "96X2*", "*" 503 }, 504 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 505 }, 506 { 507 /* Submitted by: Matthew Dodd <winter@jurai.net> */ 508 { T_PROCESSOR, SIP_MEDIA_FIXED, "Cabletrn", "EA41*", "*" }, 509 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 510 }, 511 { 512 /* Submitted by: Matthew Dodd <winter@jurai.net> */ 513 { T_PROCESSOR, SIP_MEDIA_FIXED, "CABLETRN", "EA41*", "*" }, 514 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 515 }, 516 { 517 /* TeraSolutions special settings for TRC-22 RAID */ 518 { T_DIRECT, SIP_MEDIA_FIXED, "TERASOLU", "TRC-22", "*" }, 519 /*quirks*/0, /*mintags*/55, /*maxtags*/255 520 }, 521 { 522 /* Veritas Storage Appliance */ 523 { T_DIRECT, SIP_MEDIA_FIXED, "VERITAS", "*", "*" }, 524 CAM_QUIRK_HILUNS, /*mintags*/2, /*maxtags*/1024 525 }, 526 { 527 /* 528 * Would respond to all LUNs. Device type and removable 529 * flag are jumper-selectable. 530 */ 531 { T_ANY, SIP_MEDIA_REMOVABLE|SIP_MEDIA_FIXED, "MaxOptix", 532 "Tahiti 1", "*" 533 }, 534 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 535 }, 536 { 537 /* EasyRAID E5A aka. areca ARC-6010 */ 538 { T_DIRECT, SIP_MEDIA_FIXED, "easyRAID", "*", "*" }, 539 CAM_QUIRK_NOHILUNS, /*mintags*/2, /*maxtags*/255 540 }, 541 { 542 { T_ENCLOSURE, SIP_MEDIA_FIXED, "DP", "BACKPLANE", "*" }, 543 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 544 }, 545 { 546 { T_DIRECT, SIP_MEDIA_REMOVABLE, "Garmin", "*", "*" }, 547 CAM_QUIRK_NORPTLUNS, /*mintags*/2, /*maxtags*/255 548 }, 549 { 550 /* Default tagged queuing parameters for all devices */ 551 { 552 T_ANY, SIP_MEDIA_REMOVABLE|SIP_MEDIA_FIXED, 553 /*vendor*/"*", /*product*/"*", /*revision*/"*" 554 }, 555 /*quirks*/0, /*mintags*/2, /*maxtags*/255 556 }, 557 }; 558 559 static cam_status proberegister(struct cam_periph *periph, 560 void *arg); 561 static void probeschedule(struct cam_periph *probe_periph); 562 static void probestart(struct cam_periph *periph, union ccb *start_ccb); 563 static void proberequestdefaultnegotiation(struct cam_periph *periph); 564 static int proberequestbackoff(struct cam_periph *periph, 565 struct cam_ed *device); 566 static void probedone(struct cam_periph *periph, union ccb *done_ccb); 567 static void probe_purge_old(struct cam_path *path, 568 struct scsi_report_luns_data *new, 569 probe_flags flags); 570 static void probecleanup(struct cam_periph *periph); 571 static void scsi_find_quirk(struct cam_ed *device); 572 static void scsi_scan_bus(struct cam_periph *periph, union ccb *ccb); 573 static void scsi_scan_lun(struct cam_periph *periph, 574 struct cam_path *path, cam_flags flags, 575 union ccb *ccb); 576 static void xptscandone(struct cam_periph *periph, union ccb *done_ccb); 577 static struct cam_ed * 578 scsi_alloc_device(struct cam_eb *bus, struct cam_et *target, 579 lun_id_t lun_id); 580 static void scsi_devise_transport(struct cam_path *path); 581 static void scsi_set_transfer_settings(struct ccb_trans_settings *cts, 582 struct cam_path *path, 583 int async_update); 584 static void scsi_toggle_tags(struct cam_path *path); 585 static void scsi_dev_async(u_int32_t async_code, 586 struct cam_eb *bus, 587 struct cam_et *target, 588 struct cam_ed *device, 589 void *async_arg); 590 static void scsi_action(union ccb *start_ccb); 591 static void scsi_announce_periph(struct cam_periph *periph); 592 593 static struct xpt_xport scsi_xport = { 594 .alloc_device = scsi_alloc_device, 595 .action = scsi_action, 596 .async = scsi_dev_async, 597 .announce = scsi_announce_periph, 598 }; 599 600 struct xpt_xport * 601 scsi_get_xport(void) 602 { 603 return (&scsi_xport); 604 } 605 606 static void 607 probe_periph_init() 608 { 609 } 610 611 static cam_status 612 proberegister(struct cam_periph *periph, void *arg) 613 { 614 union ccb *request_ccb; /* CCB representing the probe request */ 615 cam_status status; 616 probe_softc *softc; 617 618 request_ccb = (union ccb *)arg; 619 if (request_ccb == NULL) { 620 printf("proberegister: no probe CCB, " 621 "can't register device\n"); 622 return(CAM_REQ_CMP_ERR); 623 } 624 625 softc = (probe_softc *)malloc(sizeof(*softc), M_CAMXPT, M_NOWAIT); 626 627 if (softc == NULL) { 628 printf("proberegister: Unable to probe new device. " 629 "Unable to allocate softc\n"); 630 return(CAM_REQ_CMP_ERR); 631 } 632 TAILQ_INIT(&softc->request_ccbs); 633 TAILQ_INSERT_TAIL(&softc->request_ccbs, &request_ccb->ccb_h, 634 periph_links.tqe); 635 softc->flags = 0; 636 periph->softc = softc; 637 softc->periph = periph; 638 softc->action = PROBE_INVALID; 639 status = cam_periph_acquire(periph); 640 if (status != CAM_REQ_CMP) { 641 return (status); 642 } 643 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, ("Probe started\n")); 644 scsi_devise_transport(periph->path); 645 646 /* 647 * Ensure we've waited at least a bus settle 648 * delay before attempting to probe the device. 649 * For HBAs that don't do bus resets, this won't make a difference. 650 */ 651 cam_periph_freeze_after_event(periph, &periph->path->bus->last_reset, 652 scsi_delay); 653 probeschedule(periph); 654 return(CAM_REQ_CMP); 655 } 656 657 static void 658 probeschedule(struct cam_periph *periph) 659 { 660 struct ccb_pathinq cpi; 661 union ccb *ccb; 662 probe_softc *softc; 663 664 softc = (probe_softc *)periph->softc; 665 ccb = (union ccb *)TAILQ_FIRST(&softc->request_ccbs); 666 667 xpt_setup_ccb(&cpi.ccb_h, periph->path, CAM_PRIORITY_NONE); 668 cpi.ccb_h.func_code = XPT_PATH_INQ; 669 xpt_action((union ccb *)&cpi); 670 671 /* 672 * If a device has gone away and another device, or the same one, 673 * is back in the same place, it should have a unit attention 674 * condition pending. It will not report the unit attention in 675 * response to an inquiry, which may leave invalid transfer 676 * negotiations in effect. The TUR will reveal the unit attention 677 * condition. Only send the TUR for lun 0, since some devices 678 * will get confused by commands other than inquiry to non-existent 679 * luns. If you think a device has gone away start your scan from 680 * lun 0. This will insure that any bogus transfer settings are 681 * invalidated. 682 * 683 * If we haven't seen the device before and the controller supports 684 * some kind of transfer negotiation, negotiate with the first 685 * sent command if no bus reset was performed at startup. This 686 * ensures that the device is not confused by transfer negotiation 687 * settings left over by loader or BIOS action. 688 */ 689 if (((ccb->ccb_h.path->device->flags & CAM_DEV_UNCONFIGURED) == 0) 690 && (ccb->ccb_h.target_lun == 0)) { 691 PROBE_SET_ACTION(softc, PROBE_TUR); 692 } else if ((cpi.hba_inquiry & (PI_WIDE_32|PI_WIDE_16|PI_SDTR_ABLE)) != 0 693 && (cpi.hba_misc & PIM_NOBUSRESET) != 0) { 694 proberequestdefaultnegotiation(periph); 695 PROBE_SET_ACTION(softc, PROBE_INQUIRY); 696 } else { 697 PROBE_SET_ACTION(softc, PROBE_INQUIRY); 698 } 699 700 if (ccb->crcn.flags & CAM_EXPECT_INQ_CHANGE) 701 softc->flags |= PROBE_NO_ANNOUNCE; 702 else 703 softc->flags &= ~PROBE_NO_ANNOUNCE; 704 705 if (cpi.hba_misc & PIM_EXTLUNS) 706 softc->flags |= PROBE_EXTLUN; 707 else 708 softc->flags &= ~PROBE_EXTLUN; 709 710 xpt_schedule(periph, CAM_PRIORITY_XPT); 711 } 712 713 static void 714 probestart(struct cam_periph *periph, union ccb *start_ccb) 715 { 716 /* Probe the device that our peripheral driver points to */ 717 struct ccb_scsiio *csio; 718 probe_softc *softc; 719 720 CAM_DEBUG(start_ccb->ccb_h.path, CAM_DEBUG_TRACE, ("probestart\n")); 721 722 softc = (probe_softc *)periph->softc; 723 csio = &start_ccb->csio; 724 again: 725 726 switch (softc->action) { 727 case PROBE_TUR: 728 case PROBE_TUR_FOR_NEGOTIATION: 729 case PROBE_DV_EXIT: 730 { 731 scsi_test_unit_ready(csio, 732 /*retries*/4, 733 probedone, 734 MSG_SIMPLE_Q_TAG, 735 SSD_FULL_SIZE, 736 /*timeout*/60000); 737 break; 738 } 739 case PROBE_INQUIRY: 740 case PROBE_FULL_INQUIRY: 741 case PROBE_INQUIRY_BASIC_DV1: 742 case PROBE_INQUIRY_BASIC_DV2: 743 { 744 u_int inquiry_len; 745 struct scsi_inquiry_data *inq_buf; 746 747 inq_buf = &periph->path->device->inq_data; 748 749 /* 750 * If the device is currently configured, we calculate an 751 * MD5 checksum of the inquiry data, and if the serial number 752 * length is greater than 0, add the serial number data 753 * into the checksum as well. Once the inquiry and the 754 * serial number check finish, we attempt to figure out 755 * whether we still have the same device. 756 */ 757 if (((periph->path->device->flags & CAM_DEV_UNCONFIGURED) == 0) 758 && ((softc->flags & PROBE_INQUIRY_CKSUM) == 0)) { 759 760 MD5Init(&softc->context); 761 MD5Update(&softc->context, (unsigned char *)inq_buf, 762 sizeof(struct scsi_inquiry_data)); 763 softc->flags |= PROBE_INQUIRY_CKSUM; 764 if (periph->path->device->serial_num_len > 0) { 765 MD5Update(&softc->context, 766 periph->path->device->serial_num, 767 periph->path->device->serial_num_len); 768 softc->flags |= PROBE_SERIAL_CKSUM; 769 } 770 MD5Final(softc->digest, &softc->context); 771 } 772 773 if (softc->action == PROBE_INQUIRY) 774 inquiry_len = SHORT_INQUIRY_LENGTH; 775 else 776 inquiry_len = SID_ADDITIONAL_LENGTH(inq_buf); 777 778 /* 779 * Some parallel SCSI devices fail to send an 780 * ignore wide residue message when dealing with 781 * odd length inquiry requests. Round up to be 782 * safe. 783 */ 784 inquiry_len = roundup2(inquiry_len, 2); 785 786 if (softc->action == PROBE_INQUIRY_BASIC_DV1 787 || softc->action == PROBE_INQUIRY_BASIC_DV2) { 788 inq_buf = malloc(inquiry_len, M_CAMXPT, M_NOWAIT); 789 } 790 if (inq_buf == NULL) { 791 xpt_print(periph->path, "malloc failure- skipping Basic" 792 "Domain Validation\n"); 793 PROBE_SET_ACTION(softc, PROBE_DV_EXIT); 794 scsi_test_unit_ready(csio, 795 /*retries*/4, 796 probedone, 797 MSG_SIMPLE_Q_TAG, 798 SSD_FULL_SIZE, 799 /*timeout*/60000); 800 break; 801 } 802 scsi_inquiry(csio, 803 /*retries*/4, 804 probedone, 805 MSG_SIMPLE_Q_TAG, 806 (u_int8_t *)inq_buf, 807 inquiry_len, 808 /*evpd*/FALSE, 809 /*page_code*/0, 810 SSD_MIN_SIZE, 811 /*timeout*/60 * 1000); 812 break; 813 } 814 case PROBE_REPORT_LUNS: 815 { 816 void *rp; 817 818 rp = malloc(periph->path->target->rpl_size, 819 M_CAMXPT, M_NOWAIT | M_ZERO); 820 if (rp == NULL) { 821 struct scsi_inquiry_data *inq_buf; 822 inq_buf = &periph->path->device->inq_data; 823 xpt_print(periph->path, 824 "Unable to alloc report luns storage\n"); 825 if (INQ_DATA_TQ_ENABLED(inq_buf)) 826 PROBE_SET_ACTION(softc, PROBE_MODE_SENSE); 827 else 828 PROBE_SET_ACTION(softc, 829 PROBE_SUPPORTED_VPD_LIST); 830 goto again; 831 } 832 scsi_report_luns(csio, 5, probedone, MSG_SIMPLE_Q_TAG, 833 RPL_REPORT_DEFAULT, rp, periph->path->target->rpl_size, 834 SSD_FULL_SIZE, 60000); break; 835 break; 836 } 837 case PROBE_MODE_SENSE: 838 { 839 void *mode_buf; 840 int mode_buf_len; 841 842 mode_buf_len = sizeof(struct scsi_mode_header_6) 843 + sizeof(struct scsi_mode_blk_desc) 844 + sizeof(struct scsi_control_page); 845 mode_buf = malloc(mode_buf_len, M_CAMXPT, M_NOWAIT); 846 if (mode_buf != NULL) { 847 scsi_mode_sense(csio, 848 /*retries*/4, 849 probedone, 850 MSG_SIMPLE_Q_TAG, 851 /*dbd*/FALSE, 852 SMS_PAGE_CTRL_CURRENT, 853 SMS_CONTROL_MODE_PAGE, 854 mode_buf, 855 mode_buf_len, 856 SSD_FULL_SIZE, 857 /*timeout*/60000); 858 break; 859 } 860 xpt_print(periph->path, "Unable to mode sense control page - " 861 "malloc failure\n"); 862 PROBE_SET_ACTION(softc, PROBE_SUPPORTED_VPD_LIST); 863 } 864 /* FALLTHROUGH */ 865 case PROBE_SUPPORTED_VPD_LIST: 866 { 867 struct scsi_vpd_supported_page_list *vpd_list; 868 struct cam_ed *device; 869 870 vpd_list = NULL; 871 device = periph->path->device; 872 873 if ((SCSI_QUIRK(device)->quirks & CAM_QUIRK_NOVPDS) == 0) 874 vpd_list = malloc(sizeof(*vpd_list), M_CAMXPT, 875 M_NOWAIT | M_ZERO); 876 877 if (vpd_list != NULL) { 878 scsi_inquiry(csio, 879 /*retries*/4, 880 probedone, 881 MSG_SIMPLE_Q_TAG, 882 (u_int8_t *)vpd_list, 883 sizeof(*vpd_list), 884 /*evpd*/TRUE, 885 SVPD_SUPPORTED_PAGE_LIST, 886 SSD_MIN_SIZE, 887 /*timeout*/60 * 1000); 888 break; 889 } 890 done: 891 /* 892 * We'll have to do without, let our probedone 893 * routine finish up for us. 894 */ 895 start_ccb->csio.data_ptr = NULL; 896 cam_freeze_devq(periph->path); 897 cam_periph_doacquire(periph); 898 probedone(periph, start_ccb); 899 return; 900 } 901 case PROBE_DEVICE_ID: 902 { 903 struct scsi_vpd_device_id *devid; 904 905 devid = NULL; 906 if (scsi_vpd_supported_page(periph, SVPD_DEVICE_ID)) 907 devid = malloc(SVPD_DEVICE_ID_MAX_SIZE, M_CAMXPT, 908 M_NOWAIT | M_ZERO); 909 910 if (devid != NULL) { 911 scsi_inquiry(csio, 912 /*retries*/4, 913 probedone, 914 MSG_SIMPLE_Q_TAG, 915 (uint8_t *)devid, 916 SVPD_DEVICE_ID_MAX_SIZE, 917 /*evpd*/TRUE, 918 SVPD_DEVICE_ID, 919 SSD_MIN_SIZE, 920 /*timeout*/60 * 1000); 921 break; 922 } 923 goto done; 924 } 925 case PROBE_EXTENDED_INQUIRY: 926 { 927 struct scsi_vpd_extended_inquiry_data *ext_inq; 928 929 ext_inq = NULL; 930 if (scsi_vpd_supported_page(periph, SVPD_EXTENDED_INQUIRY_DATA)) 931 ext_inq = malloc(sizeof(*ext_inq), M_CAMXPT, 932 M_NOWAIT | M_ZERO); 933 934 if (ext_inq != NULL) { 935 scsi_inquiry(csio, 936 /*retries*/4, 937 probedone, 938 MSG_SIMPLE_Q_TAG, 939 (uint8_t *)ext_inq, 940 sizeof(*ext_inq), 941 /*evpd*/TRUE, 942 SVPD_EXTENDED_INQUIRY_DATA, 943 SSD_MIN_SIZE, 944 /*timeout*/60 * 1000); 945 break; 946 } 947 /* 948 * We'll have to do without, let our probedone 949 * routine finish up for us. 950 */ 951 goto done; 952 } 953 case PROBE_SERIAL_NUM: 954 { 955 struct scsi_vpd_unit_serial_number *serial_buf; 956 struct cam_ed* device; 957 958 serial_buf = NULL; 959 device = periph->path->device; 960 if (device->serial_num != NULL) { 961 free(device->serial_num, M_CAMXPT); 962 device->serial_num = NULL; 963 device->serial_num_len = 0; 964 } 965 966 if (scsi_vpd_supported_page(periph, SVPD_UNIT_SERIAL_NUMBER)) 967 serial_buf = (struct scsi_vpd_unit_serial_number *) 968 malloc(sizeof(*serial_buf), M_CAMXPT, 969 M_NOWAIT|M_ZERO); 970 971 if (serial_buf != NULL) { 972 scsi_inquiry(csio, 973 /*retries*/4, 974 probedone, 975 MSG_SIMPLE_Q_TAG, 976 (u_int8_t *)serial_buf, 977 sizeof(*serial_buf), 978 /*evpd*/TRUE, 979 SVPD_UNIT_SERIAL_NUMBER, 980 SSD_MIN_SIZE, 981 /*timeout*/60 * 1000); 982 break; 983 } 984 goto done; 985 } 986 default: 987 panic("probestart: invalid action state 0x%x\n", softc->action); 988 } 989 start_ccb->ccb_h.flags |= CAM_DEV_QFREEZE; 990 cam_periph_doacquire(periph); 991 xpt_action(start_ccb); 992 } 993 994 static void 995 proberequestdefaultnegotiation(struct cam_periph *periph) 996 { 997 struct ccb_trans_settings cts; 998 999 xpt_setup_ccb(&cts.ccb_h, periph->path, CAM_PRIORITY_NONE); 1000 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 1001 cts.type = CTS_TYPE_USER_SETTINGS; 1002 xpt_action((union ccb *)&cts); 1003 if (cam_ccb_status((union ccb *)&cts) != CAM_REQ_CMP) { 1004 return; 1005 } 1006 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 1007 cts.type = CTS_TYPE_CURRENT_SETTINGS; 1008 xpt_action((union ccb *)&cts); 1009 } 1010 1011 /* 1012 * Backoff Negotiation Code- only pertinent for SPI devices. 1013 */ 1014 static int 1015 proberequestbackoff(struct cam_periph *periph, struct cam_ed *device) 1016 { 1017 struct ccb_trans_settings cts; 1018 struct ccb_trans_settings_spi *spi; 1019 1020 memset(&cts, 0, sizeof (cts)); 1021 xpt_setup_ccb(&cts.ccb_h, periph->path, CAM_PRIORITY_NONE); 1022 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 1023 cts.type = CTS_TYPE_CURRENT_SETTINGS; 1024 xpt_action((union ccb *)&cts); 1025 if (cam_ccb_status((union ccb *)&cts) != CAM_REQ_CMP) { 1026 if (bootverbose) { 1027 xpt_print(periph->path, 1028 "failed to get current device settings\n"); 1029 } 1030 return (0); 1031 } 1032 if (cts.transport != XPORT_SPI) { 1033 if (bootverbose) { 1034 xpt_print(periph->path, "not SPI transport\n"); 1035 } 1036 return (0); 1037 } 1038 spi = &cts.xport_specific.spi; 1039 1040 /* 1041 * We cannot renegotiate sync rate if we don't have one. 1042 */ 1043 if ((spi->valid & CTS_SPI_VALID_SYNC_RATE) == 0) { 1044 if (bootverbose) { 1045 xpt_print(periph->path, "no sync rate known\n"); 1046 } 1047 return (0); 1048 } 1049 1050 /* 1051 * We'll assert that we don't have to touch PPR options- the 1052 * SIM will see what we do with period and offset and adjust 1053 * the PPR options as appropriate. 1054 */ 1055 1056 /* 1057 * A sync rate with unknown or zero offset is nonsensical. 1058 * A sync period of zero means Async. 1059 */ 1060 if ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) == 0 1061 || spi->sync_offset == 0 || spi->sync_period == 0) { 1062 if (bootverbose) { 1063 xpt_print(periph->path, "no sync rate available\n"); 1064 } 1065 return (0); 1066 } 1067 1068 if (device->flags & CAM_DEV_DV_HIT_BOTTOM) { 1069 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, 1070 ("hit async: giving up on DV\n")); 1071 return (0); 1072 } 1073 1074 1075 /* 1076 * Jump sync_period up by one, but stop at 5MHz and fall back to Async. 1077 * We don't try to remember 'last' settings to see if the SIM actually 1078 * gets into the speed we want to set. We check on the SIM telling 1079 * us that a requested speed is bad, but otherwise don't try and 1080 * check the speed due to the asynchronous and handshake nature 1081 * of speed setting. 1082 */ 1083 spi->valid = CTS_SPI_VALID_SYNC_RATE | CTS_SPI_VALID_SYNC_OFFSET; 1084 for (;;) { 1085 spi->sync_period++; 1086 if (spi->sync_period >= 0xf) { 1087 spi->sync_period = 0; 1088 spi->sync_offset = 0; 1089 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, 1090 ("setting to async for DV\n")); 1091 /* 1092 * Once we hit async, we don't want to try 1093 * any more settings. 1094 */ 1095 device->flags |= CAM_DEV_DV_HIT_BOTTOM; 1096 } else if (bootverbose) { 1097 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, 1098 ("DV: period 0x%x\n", spi->sync_period)); 1099 printf("setting period to 0x%x\n", spi->sync_period); 1100 } 1101 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 1102 cts.type = CTS_TYPE_CURRENT_SETTINGS; 1103 xpt_action((union ccb *)&cts); 1104 if (cam_ccb_status((union ccb *)&cts) != CAM_REQ_CMP) { 1105 break; 1106 } 1107 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, 1108 ("DV: failed to set period 0x%x\n", spi->sync_period)); 1109 if (spi->sync_period == 0) { 1110 return (0); 1111 } 1112 } 1113 return (1); 1114 } 1115 1116 #define CCB_COMPLETED_OK(ccb) (((ccb).status & CAM_STATUS_MASK) == CAM_REQ_CMP) 1117 1118 static void 1119 probedone(struct cam_periph *periph, union ccb *done_ccb) 1120 { 1121 probe_softc *softc; 1122 struct cam_path *path; 1123 struct scsi_inquiry_data *inq_buf; 1124 u_int32_t priority; 1125 1126 CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_TRACE, ("probedone\n")); 1127 1128 softc = (probe_softc *)periph->softc; 1129 path = done_ccb->ccb_h.path; 1130 priority = done_ccb->ccb_h.pinfo.priority; 1131 1132 switch (softc->action) { 1133 case PROBE_TUR: 1134 { 1135 if (cam_ccb_status(done_ccb) != CAM_REQ_CMP) { 1136 1137 if (cam_periph_error(done_ccb, 0, 1138 SF_NO_PRINT, NULL) == ERESTART) { 1139 outr: 1140 /* Drop freeze taken due to CAM_DEV_QFREEZE */ 1141 cam_release_devq(path, 0, 0, 0, FALSE); 1142 return; 1143 } 1144 else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 1145 /* Don't wedge the queue */ 1146 xpt_release_devq(done_ccb->ccb_h.path, 1147 /*count*/1, 1148 /*run_queue*/TRUE); 1149 } 1150 PROBE_SET_ACTION(softc, PROBE_INQUIRY); 1151 xpt_release_ccb(done_ccb); 1152 xpt_schedule(periph, priority); 1153 out: 1154 /* Drop freeze taken due to CAM_DEV_QFREEZE and release. */ 1155 cam_release_devq(path, 0, 0, 0, FALSE); 1156 cam_periph_release_locked(periph); 1157 return; 1158 } 1159 case PROBE_INQUIRY: 1160 case PROBE_FULL_INQUIRY: 1161 { 1162 if (cam_ccb_status(done_ccb) == CAM_REQ_CMP) { 1163 u_int8_t periph_qual; 1164 1165 path->device->flags |= CAM_DEV_INQUIRY_DATA_VALID; 1166 scsi_find_quirk(path->device); 1167 inq_buf = &path->device->inq_data; 1168 1169 periph_qual = SID_QUAL(inq_buf); 1170 1171 if (periph_qual == SID_QUAL_LU_CONNECTED || 1172 periph_qual == SID_QUAL_LU_OFFLINE) { 1173 u_int8_t len; 1174 1175 /* 1176 * We conservatively request only 1177 * SHORT_INQUIRY_LEN bytes of inquiry 1178 * information during our first try 1179 * at sending an INQUIRY. If the device 1180 * has more information to give, 1181 * perform a second request specifying 1182 * the amount of information the device 1183 * is willing to give. 1184 */ 1185 len = inq_buf->additional_length 1186 + offsetof(struct scsi_inquiry_data, 1187 additional_length) + 1; 1188 if (softc->action == PROBE_INQUIRY 1189 && len > SHORT_INQUIRY_LENGTH) { 1190 PROBE_SET_ACTION(softc, PROBE_FULL_INQUIRY); 1191 xpt_release_ccb(done_ccb); 1192 xpt_schedule(periph, priority); 1193 goto out; 1194 } 1195 1196 scsi_devise_transport(path); 1197 1198 if (path->device->lun_id == 0 && 1199 SID_ANSI_REV(inq_buf) > SCSI_REV_SPC2 && 1200 (SCSI_QUIRK(path->device)->quirks & 1201 CAM_QUIRK_NORPTLUNS) == 0) { 1202 PROBE_SET_ACTION(softc, 1203 PROBE_REPORT_LUNS); 1204 /* 1205 * Start with room for *one* lun. 1206 */ 1207 periph->path->target->rpl_size = 16; 1208 } else if (INQ_DATA_TQ_ENABLED(inq_buf)) 1209 PROBE_SET_ACTION(softc, 1210 PROBE_MODE_SENSE); 1211 else 1212 PROBE_SET_ACTION(softc, 1213 PROBE_SUPPORTED_VPD_LIST); 1214 1215 if (path->device->flags & CAM_DEV_UNCONFIGURED) { 1216 path->device->flags &= ~CAM_DEV_UNCONFIGURED; 1217 xpt_acquire_device(path->device); 1218 } 1219 xpt_release_ccb(done_ccb); 1220 xpt_schedule(periph, priority); 1221 goto out; 1222 } else if (path->device->lun_id == 0 && 1223 SID_ANSI_REV(inq_buf) >= SCSI_REV_SPC2 && 1224 (SCSI_QUIRK(path->device)->quirks & 1225 CAM_QUIRK_NORPTLUNS) == 0) { 1226 PROBE_SET_ACTION(softc, PROBE_REPORT_LUNS); 1227 periph->path->target->rpl_size = 16; 1228 xpt_release_ccb(done_ccb); 1229 xpt_schedule(periph, priority); 1230 goto out; 1231 } 1232 } else if (cam_periph_error(done_ccb, 0, 1233 done_ccb->ccb_h.target_lun > 0 1234 ? SF_RETRY_UA|SF_QUIET_IR 1235 : SF_RETRY_UA, 1236 &softc->saved_ccb) == ERESTART) { 1237 goto outr; 1238 } else { 1239 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1240 /* Don't wedge the queue */ 1241 xpt_release_devq(done_ccb->ccb_h.path, 1242 /*count*/1, /*run_queue*/TRUE); 1243 } 1244 path->device->flags &= ~CAM_DEV_INQUIRY_DATA_VALID; 1245 } 1246 /* 1247 * If we get to this point, we got an error status back 1248 * from the inquiry and the error status doesn't require 1249 * automatically retrying the command. Therefore, the 1250 * inquiry failed. If we had inquiry information before 1251 * for this device, but this latest inquiry command failed, 1252 * the device has probably gone away. If this device isn't 1253 * already marked unconfigured, notify the peripheral 1254 * drivers that this device is no more. 1255 */ 1256 if ((path->device->flags & CAM_DEV_UNCONFIGURED) == 0) 1257 /* Send the async notification. */ 1258 xpt_async(AC_LOST_DEVICE, path, NULL); 1259 PROBE_SET_ACTION(softc, PROBE_INVALID); 1260 1261 xpt_release_ccb(done_ccb); 1262 break; 1263 } 1264 case PROBE_REPORT_LUNS: 1265 { 1266 struct ccb_scsiio *csio; 1267 struct scsi_report_luns_data *lp; 1268 u_int nlun, maxlun; 1269 1270 csio = &done_ccb->csio; 1271 1272 lp = (struct scsi_report_luns_data *)csio->data_ptr; 1273 nlun = scsi_4btoul(lp->length) / 8; 1274 maxlun = (csio->dxfer_len / 8) - 1; 1275 1276 if (cam_ccb_status(done_ccb) != CAM_REQ_CMP) { 1277 if (cam_periph_error(done_ccb, 0, 1278 done_ccb->ccb_h.target_lun > 0 ? 1279 SF_RETRY_UA|SF_QUIET_IR : SF_RETRY_UA, 1280 &softc->saved_ccb) == ERESTART) { 1281 goto outr; 1282 } 1283 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1284 xpt_release_devq(done_ccb->ccb_h.path, 1, 1285 TRUE); 1286 } 1287 free(lp, M_CAMXPT); 1288 lp = NULL; 1289 } else if (nlun > maxlun) { 1290 /* 1291 * Reallocate and retry to cover all luns 1292 */ 1293 CAM_DEBUG(path, CAM_DEBUG_PROBE, 1294 ("Probe: reallocating REPORT_LUNS for %u luns\n", 1295 nlun)); 1296 free(lp, M_CAMXPT); 1297 path->target->rpl_size = (nlun << 3) + 8; 1298 xpt_release_ccb(done_ccb); 1299 xpt_schedule(periph, priority); 1300 goto out; 1301 } else if (nlun == 0) { 1302 /* 1303 * If there don't appear to be any luns, 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_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_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 } 1337 } 1338 /* 1339 * If we have an old lun list, We can either 1340 * retest luns that appear to have been dropped, 1341 * or just nuke them. We'll opt for the latter. 1342 * This function will also install the new list 1343 * in the target structure. 1344 */ 1345 probe_purge_old(path, lp, softc->flags); 1346 lp = NULL; 1347 } 1348 inq_buf = &path->device->inq_data; 1349 if (path->device->flags & CAM_DEV_INQUIRY_DATA_VALID && 1350 (SID_QUAL(inq_buf) == SID_QUAL_LU_CONNECTED || 1351 SID_QUAL(inq_buf) == SID_QUAL_LU_OFFLINE)) { 1352 if (INQ_DATA_TQ_ENABLED(inq_buf)) 1353 PROBE_SET_ACTION(softc, PROBE_MODE_SENSE); 1354 else 1355 PROBE_SET_ACTION(softc, 1356 PROBE_SUPPORTED_VPD_LIST); 1357 xpt_release_ccb(done_ccb); 1358 xpt_schedule(periph, priority); 1359 goto out; 1360 } 1361 if (lp) { 1362 free(lp, M_CAMXPT); 1363 } 1364 PROBE_SET_ACTION(softc, PROBE_INVALID); 1365 xpt_release_ccb(done_ccb); 1366 break; 1367 } 1368 case PROBE_MODE_SENSE: 1369 { 1370 struct ccb_scsiio *csio; 1371 struct scsi_mode_header_6 *mode_hdr; 1372 1373 csio = &done_ccb->csio; 1374 mode_hdr = (struct scsi_mode_header_6 *)csio->data_ptr; 1375 if (cam_ccb_status(done_ccb) == CAM_REQ_CMP) { 1376 struct scsi_control_page *page; 1377 u_int8_t *offset; 1378 1379 offset = ((u_int8_t *)&mode_hdr[1]) 1380 + mode_hdr->blk_desc_len; 1381 page = (struct scsi_control_page *)offset; 1382 path->device->queue_flags = page->queue_flags; 1383 } else if (cam_periph_error(done_ccb, 0, 1384 SF_RETRY_UA|SF_NO_PRINT, 1385 &softc->saved_ccb) == ERESTART) { 1386 goto outr; 1387 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1388 /* Don't wedge the queue */ 1389 xpt_release_devq(done_ccb->ccb_h.path, 1390 /*count*/1, /*run_queue*/TRUE); 1391 } 1392 xpt_release_ccb(done_ccb); 1393 free(mode_hdr, M_CAMXPT); 1394 PROBE_SET_ACTION(softc, PROBE_SUPPORTED_VPD_LIST); 1395 xpt_schedule(periph, priority); 1396 goto out; 1397 } 1398 case PROBE_SUPPORTED_VPD_LIST: 1399 { 1400 struct ccb_scsiio *csio; 1401 struct scsi_vpd_supported_page_list *page_list; 1402 1403 csio = &done_ccb->csio; 1404 page_list = 1405 (struct scsi_vpd_supported_page_list *)csio->data_ptr; 1406 1407 if (path->device->supported_vpds != NULL) { 1408 free(path->device->supported_vpds, M_CAMXPT); 1409 path->device->supported_vpds = NULL; 1410 path->device->supported_vpds_len = 0; 1411 } 1412 1413 if (page_list == NULL) { 1414 /* 1415 * Don't process the command as it was never sent 1416 */ 1417 } else if (CCB_COMPLETED_OK(csio->ccb_h)) { 1418 /* Got vpd list */ 1419 path->device->supported_vpds_len = page_list->length + 1420 SVPD_SUPPORTED_PAGES_HDR_LEN; 1421 path->device->supported_vpds = (uint8_t *)page_list; 1422 xpt_release_ccb(done_ccb); 1423 PROBE_SET_ACTION(softc, PROBE_DEVICE_ID); 1424 xpt_schedule(periph, priority); 1425 goto out; 1426 } else if (cam_periph_error(done_ccb, 0, 1427 SF_RETRY_UA|SF_NO_PRINT, 1428 &softc->saved_ccb) == ERESTART) { 1429 goto outr; 1430 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1431 /* Don't wedge the queue */ 1432 xpt_release_devq(done_ccb->ccb_h.path, /*count*/1, 1433 /*run_queue*/TRUE); 1434 } 1435 1436 if (page_list) 1437 free(page_list, M_CAMXPT); 1438 /* No VPDs available, skip to device check. */ 1439 csio->data_ptr = NULL; 1440 goto probe_device_check; 1441 } 1442 case PROBE_DEVICE_ID: 1443 { 1444 struct scsi_vpd_device_id *devid; 1445 struct ccb_scsiio *csio; 1446 uint32_t length = 0; 1447 1448 csio = &done_ccb->csio; 1449 devid = (struct scsi_vpd_device_id *)csio->data_ptr; 1450 1451 /* Clean up from previous instance of this device */ 1452 if (path->device->device_id != NULL) { 1453 path->device->device_id_len = 0; 1454 free(path->device->device_id, M_CAMXPT); 1455 path->device->device_id = NULL; 1456 } 1457 1458 if (devid == NULL) { 1459 /* Don't process the command as it was never sent */ 1460 } else if (CCB_COMPLETED_OK(csio->ccb_h)) { 1461 length = scsi_2btoul(devid->length); 1462 if (length != 0) { 1463 /* 1464 * NB: device_id_len is actual response 1465 * size, not buffer size. 1466 */ 1467 path->device->device_id_len = length + 1468 SVPD_DEVICE_ID_HDR_LEN; 1469 path->device->device_id = (uint8_t *)devid; 1470 } 1471 } else if (cam_periph_error(done_ccb, 0, 1472 SF_RETRY_UA, 1473 &softc->saved_ccb) == ERESTART) { 1474 goto outr; 1475 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1476 /* Don't wedge the queue */ 1477 xpt_release_devq(done_ccb->ccb_h.path, /*count*/1, 1478 /*run_queue*/TRUE); 1479 } 1480 1481 /* Free the device id space if we don't use it */ 1482 if (devid && length == 0) 1483 free(devid, M_CAMXPT); 1484 xpt_release_ccb(done_ccb); 1485 PROBE_SET_ACTION(softc, PROBE_EXTENDED_INQUIRY); 1486 xpt_schedule(periph, priority); 1487 goto out; 1488 } 1489 case PROBE_EXTENDED_INQUIRY: { 1490 struct scsi_vpd_extended_inquiry_data *ext_inq; 1491 struct ccb_scsiio *csio; 1492 int32_t length = 0; 1493 1494 csio = &done_ccb->csio; 1495 ext_inq = (struct scsi_vpd_extended_inquiry_data *) 1496 csio->data_ptr; 1497 if (path->device->ext_inq != NULL) { 1498 path->device->ext_inq_len = 0; 1499 free(path->device->ext_inq, M_CAMXPT); 1500 path->device->ext_inq = NULL; 1501 } 1502 1503 if (ext_inq == NULL) { 1504 /* Don't process the command as it was never sent */ 1505 } else if (CCB_COMPLETED_OK(csio->ccb_h)) { 1506 length = scsi_2btoul(ext_inq->page_length) + 1507 __offsetof(struct scsi_vpd_extended_inquiry_data, 1508 flags1); 1509 length = min(length, sizeof(*ext_inq)); 1510 length -= csio->resid; 1511 if (length > 0) { 1512 path->device->ext_inq_len = length; 1513 path->device->ext_inq = (uint8_t *)ext_inq; 1514 } 1515 } else if (cam_periph_error(done_ccb, 0, 1516 SF_RETRY_UA, 1517 &softc->saved_ccb) == ERESTART) { 1518 goto outr; 1519 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1520 /* Don't wedge the queue */ 1521 xpt_release_devq(done_ccb->ccb_h.path, /*count*/1, 1522 /*run_queue*/TRUE); 1523 } 1524 1525 /* Free the device id space if we don't use it */ 1526 if (ext_inq && length <= 0) 1527 free(ext_inq, M_CAMXPT); 1528 xpt_release_ccb(done_ccb); 1529 PROBE_SET_ACTION(softc, PROBE_SERIAL_NUM); 1530 xpt_schedule(periph, priority); 1531 goto out; 1532 } 1533 1534 probe_device_check: 1535 case PROBE_SERIAL_NUM: 1536 { 1537 struct ccb_scsiio *csio; 1538 struct scsi_vpd_unit_serial_number *serial_buf; 1539 u_int32_t priority; 1540 int changed; 1541 int have_serialnum; 1542 1543 changed = 1; 1544 have_serialnum = 0; 1545 csio = &done_ccb->csio; 1546 priority = done_ccb->ccb_h.pinfo.priority; 1547 serial_buf = 1548 (struct scsi_vpd_unit_serial_number *)csio->data_ptr; 1549 1550 if (serial_buf == NULL) { 1551 /* 1552 * Don't process the command as it was never sent 1553 */ 1554 } else if (cam_ccb_status(done_ccb) == CAM_REQ_CMP 1555 && (serial_buf->length > 0)) { 1556 1557 have_serialnum = 1; 1558 path->device->serial_num = 1559 (u_int8_t *)malloc((serial_buf->length + 1), 1560 M_CAMXPT, M_NOWAIT); 1561 if (path->device->serial_num != NULL) { 1562 int start, slen; 1563 1564 start = strspn(serial_buf->serial_num, " "); 1565 slen = serial_buf->length - start; 1566 if (slen <= 0) { 1567 /* 1568 * SPC5r05 says that an all-space serial 1569 * number means no product serial number 1570 * is available 1571 */ 1572 slen = 0; 1573 } 1574 memcpy(path->device->serial_num, 1575 &serial_buf->serial_num[start], slen); 1576 path->device->serial_num_len = slen; 1577 path->device->serial_num[slen] = '\0'; 1578 } 1579 } else if (cam_periph_error(done_ccb, 0, 1580 SF_RETRY_UA|SF_NO_PRINT, 1581 &softc->saved_ccb) == ERESTART) { 1582 goto outr; 1583 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1584 /* Don't wedge the queue */ 1585 xpt_release_devq(done_ccb->ccb_h.path, /*count*/1, 1586 /*run_queue*/TRUE); 1587 } 1588 1589 /* 1590 * Let's see if we have seen this device before. 1591 */ 1592 if ((softc->flags & PROBE_INQUIRY_CKSUM) != 0) { 1593 MD5_CTX context; 1594 u_int8_t digest[16]; 1595 1596 MD5Init(&context); 1597 1598 MD5Update(&context, 1599 (unsigned char *)&path->device->inq_data, 1600 sizeof(struct scsi_inquiry_data)); 1601 1602 if (have_serialnum) 1603 MD5Update(&context, serial_buf->serial_num, 1604 serial_buf->length); 1605 1606 MD5Final(digest, &context); 1607 if (bcmp(softc->digest, digest, 16) == 0) 1608 changed = 0; 1609 1610 /* 1611 * XXX Do we need to do a TUR in order to ensure 1612 * that the device really hasn't changed??? 1613 */ 1614 if ((changed != 0) 1615 && ((softc->flags & PROBE_NO_ANNOUNCE) == 0)) 1616 xpt_async(AC_LOST_DEVICE, path, NULL); 1617 } 1618 if (serial_buf != NULL) 1619 free(serial_buf, M_CAMXPT); 1620 1621 if (changed != 0) { 1622 /* 1623 * Now that we have all the necessary 1624 * information to safely perform transfer 1625 * negotiations... Controllers don't perform 1626 * any negotiation or tagged queuing until 1627 * after the first XPT_SET_TRAN_SETTINGS ccb is 1628 * received. So, on a new device, just retrieve 1629 * the user settings, and set them as the current 1630 * settings to set the device up. 1631 */ 1632 proberequestdefaultnegotiation(periph); 1633 xpt_release_ccb(done_ccb); 1634 1635 /* 1636 * Perform a TUR to allow the controller to 1637 * perform any necessary transfer negotiation. 1638 */ 1639 PROBE_SET_ACTION(softc, PROBE_TUR_FOR_NEGOTIATION); 1640 xpt_schedule(periph, priority); 1641 goto out; 1642 } 1643 xpt_release_ccb(done_ccb); 1644 break; 1645 } 1646 case PROBE_TUR_FOR_NEGOTIATION: 1647 case PROBE_DV_EXIT: 1648 if (cam_ccb_status(done_ccb) != CAM_REQ_CMP) { 1649 cam_periph_error(done_ccb, 0, 1650 SF_NO_PRINT | SF_NO_RECOVERY | SF_NO_RETRY, NULL); 1651 } 1652 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1653 /* Don't wedge the queue */ 1654 xpt_release_devq(done_ccb->ccb_h.path, /*count*/1, 1655 /*run_queue*/TRUE); 1656 } 1657 /* 1658 * Do Domain Validation for lun 0 on devices that claim 1659 * to support Synchronous Transfer modes. 1660 */ 1661 if (softc->action == PROBE_TUR_FOR_NEGOTIATION 1662 && done_ccb->ccb_h.target_lun == 0 1663 && (path->device->inq_data.flags & SID_Sync) != 0 1664 && (path->device->flags & CAM_DEV_IN_DV) == 0) { 1665 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, 1666 ("Begin Domain Validation\n")); 1667 path->device->flags |= CAM_DEV_IN_DV; 1668 xpt_release_ccb(done_ccb); 1669 PROBE_SET_ACTION(softc, PROBE_INQUIRY_BASIC_DV1); 1670 xpt_schedule(periph, priority); 1671 goto out; 1672 } 1673 if (softc->action == PROBE_DV_EXIT) { 1674 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, 1675 ("Leave Domain Validation\n")); 1676 } 1677 if (path->device->flags & CAM_DEV_UNCONFIGURED) { 1678 path->device->flags &= ~CAM_DEV_UNCONFIGURED; 1679 xpt_acquire_device(path->device); 1680 } 1681 path->device->flags &= 1682 ~(CAM_DEV_IN_DV|CAM_DEV_DV_HIT_BOTTOM); 1683 if ((softc->flags & PROBE_NO_ANNOUNCE) == 0) { 1684 /* Inform the XPT that a new device has been found */ 1685 done_ccb->ccb_h.func_code = XPT_GDEV_TYPE; 1686 xpt_action(done_ccb); 1687 xpt_async(AC_FOUND_DEVICE, done_ccb->ccb_h.path, 1688 done_ccb); 1689 } 1690 PROBE_SET_ACTION(softc, PROBE_DONE); 1691 xpt_release_ccb(done_ccb); 1692 break; 1693 case PROBE_INQUIRY_BASIC_DV1: 1694 case PROBE_INQUIRY_BASIC_DV2: 1695 { 1696 struct scsi_inquiry_data *nbuf; 1697 struct ccb_scsiio *csio; 1698 1699 if (cam_ccb_status(done_ccb) != CAM_REQ_CMP) { 1700 cam_periph_error(done_ccb, 0, 1701 SF_NO_PRINT | SF_NO_RECOVERY | SF_NO_RETRY, NULL); 1702 } 1703 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1704 /* Don't wedge the queue */ 1705 xpt_release_devq(done_ccb->ccb_h.path, /*count*/1, 1706 /*run_queue*/TRUE); 1707 } 1708 csio = &done_ccb->csio; 1709 nbuf = (struct scsi_inquiry_data *)csio->data_ptr; 1710 if (bcmp(nbuf, &path->device->inq_data, SHORT_INQUIRY_LENGTH)) { 1711 xpt_print(path, 1712 "inquiry data fails comparison at DV%d step\n", 1713 softc->action == PROBE_INQUIRY_BASIC_DV1 ? 1 : 2); 1714 if (proberequestbackoff(periph, path->device)) { 1715 path->device->flags &= ~CAM_DEV_IN_DV; 1716 PROBE_SET_ACTION(softc, PROBE_TUR_FOR_NEGOTIATION); 1717 } else { 1718 /* give up */ 1719 PROBE_SET_ACTION(softc, PROBE_DV_EXIT); 1720 } 1721 free(nbuf, M_CAMXPT); 1722 xpt_release_ccb(done_ccb); 1723 xpt_schedule(periph, priority); 1724 goto out; 1725 } 1726 free(nbuf, M_CAMXPT); 1727 if (softc->action == PROBE_INQUIRY_BASIC_DV1) { 1728 PROBE_SET_ACTION(softc, PROBE_INQUIRY_BASIC_DV2); 1729 xpt_release_ccb(done_ccb); 1730 xpt_schedule(periph, priority); 1731 goto out; 1732 } 1733 if (softc->action == PROBE_INQUIRY_BASIC_DV2) { 1734 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, 1735 ("Leave Domain Validation Successfully\n")); 1736 } 1737 if (path->device->flags & CAM_DEV_UNCONFIGURED) { 1738 path->device->flags &= ~CAM_DEV_UNCONFIGURED; 1739 xpt_acquire_device(path->device); 1740 } 1741 path->device->flags &= 1742 ~(CAM_DEV_IN_DV|CAM_DEV_DV_HIT_BOTTOM); 1743 if ((softc->flags & PROBE_NO_ANNOUNCE) == 0) { 1744 /* Inform the XPT that a new device has been found */ 1745 done_ccb->ccb_h.func_code = XPT_GDEV_TYPE; 1746 xpt_action(done_ccb); 1747 xpt_async(AC_FOUND_DEVICE, done_ccb->ccb_h.path, 1748 done_ccb); 1749 } 1750 PROBE_SET_ACTION(softc, PROBE_DONE); 1751 xpt_release_ccb(done_ccb); 1752 break; 1753 } 1754 default: 1755 panic("probedone: invalid action state 0x%x\n", softc->action); 1756 } 1757 done_ccb = (union ccb *)TAILQ_FIRST(&softc->request_ccbs); 1758 TAILQ_REMOVE(&softc->request_ccbs, &done_ccb->ccb_h, periph_links.tqe); 1759 done_ccb->ccb_h.status = CAM_REQ_CMP; 1760 xpt_done(done_ccb); 1761 if (TAILQ_FIRST(&softc->request_ccbs) == NULL) { 1762 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, ("Probe completed\n")); 1763 /* Drop freeze taken due to CAM_DEV_QFREEZE flag set. */ 1764 cam_release_devq(path, 0, 0, 0, FALSE); 1765 cam_periph_release_locked(periph); 1766 cam_periph_invalidate(periph); 1767 cam_periph_release_locked(periph); 1768 } else { 1769 probeschedule(periph); 1770 goto out; 1771 } 1772 } 1773 1774 static void 1775 probe_purge_old(struct cam_path *path, struct scsi_report_luns_data *new, 1776 probe_flags flags) 1777 { 1778 struct cam_path *tp; 1779 struct scsi_report_luns_data *old; 1780 u_int idx1, idx2, nlun_old, nlun_new; 1781 lun_id_t this_lun; 1782 u_int8_t *ol, *nl; 1783 1784 if (path->target == NULL) { 1785 return; 1786 } 1787 mtx_lock(&path->target->luns_mtx); 1788 old = path->target->luns; 1789 path->target->luns = new; 1790 mtx_unlock(&path->target->luns_mtx); 1791 if (old == NULL) 1792 return; 1793 nlun_old = scsi_4btoul(old->length) / 8; 1794 nlun_new = scsi_4btoul(new->length) / 8; 1795 1796 /* 1797 * We are not going to assume sorted lists. Deal. 1798 */ 1799 for (idx1 = 0; idx1 < nlun_old; idx1++) { 1800 ol = old->luns[idx1].lundata; 1801 for (idx2 = 0; idx2 < nlun_new; idx2++) { 1802 nl = new->luns[idx2].lundata; 1803 if (memcmp(nl, ol, 8) == 0) { 1804 break; 1805 } 1806 } 1807 if (idx2 < nlun_new) { 1808 continue; 1809 } 1810 /* 1811 * An 'old' item not in the 'new' list. 1812 * Nuke it. Except that if it is lun 0, 1813 * that would be what the probe state 1814 * machine is currently working on, 1815 * so we won't do that. 1816 */ 1817 CAM_GET_LUN(old, idx1, this_lun); 1818 if (this_lun == 0) { 1819 continue; 1820 } 1821 1822 /* 1823 * We also cannot nuke it if it is 1824 * not in a lun format we understand 1825 * and replace the LUN with a "simple" LUN 1826 * if that is all the HBA supports. 1827 */ 1828 if (!(flags & PROBE_EXTLUN)) { 1829 if (!CAM_CAN_GET_SIMPLE_LUN(old, idx1)) 1830 continue; 1831 CAM_GET_SIMPLE_LUN(old, idx1, this_lun); 1832 } 1833 1834 if (xpt_create_path(&tp, NULL, xpt_path_path_id(path), 1835 xpt_path_target_id(path), this_lun) == CAM_REQ_CMP) { 1836 xpt_async(AC_LOST_DEVICE, tp, NULL); 1837 xpt_free_path(tp); 1838 } 1839 } 1840 free(old, M_CAMXPT); 1841 } 1842 1843 static void 1844 probecleanup(struct cam_periph *periph) 1845 { 1846 free(periph->softc, M_CAMXPT); 1847 } 1848 1849 static void 1850 scsi_find_quirk(struct cam_ed *device) 1851 { 1852 struct scsi_quirk_entry *quirk; 1853 caddr_t match; 1854 1855 match = cam_quirkmatch((caddr_t)&device->inq_data, 1856 (caddr_t)scsi_quirk_table, 1857 nitems(scsi_quirk_table), 1858 sizeof(*scsi_quirk_table), scsi_inquiry_match); 1859 1860 if (match == NULL) 1861 panic("xpt_find_quirk: device didn't match wildcard entry!!"); 1862 1863 quirk = (struct scsi_quirk_entry *)match; 1864 device->quirk = quirk; 1865 device->mintags = quirk->mintags; 1866 device->maxtags = quirk->maxtags; 1867 } 1868 1869 static int 1870 sysctl_cam_search_luns(SYSCTL_HANDLER_ARGS) 1871 { 1872 int error, val; 1873 1874 val = cam_srch_hi; 1875 error = sysctl_handle_int(oidp, &val, 0, req); 1876 if (error != 0 || req->newptr == NULL) 1877 return (error); 1878 if (val == 0 || val == 1) { 1879 cam_srch_hi = val; 1880 return (0); 1881 } else { 1882 return (EINVAL); 1883 } 1884 } 1885 1886 typedef struct { 1887 union ccb *request_ccb; 1888 struct ccb_pathinq *cpi; 1889 int counter; 1890 int lunindex[0]; 1891 } scsi_scan_bus_info; 1892 1893 /* 1894 * To start a scan, request_ccb is an XPT_SCAN_BUS ccb. 1895 * As the scan progresses, scsi_scan_bus is used as the 1896 * callback on completion function. 1897 */ 1898 static void 1899 scsi_scan_bus(struct cam_periph *periph, union ccb *request_ccb) 1900 { 1901 struct mtx *mtx; 1902 1903 CAM_DEBUG(request_ccb->ccb_h.path, CAM_DEBUG_TRACE, 1904 ("scsi_scan_bus\n")); 1905 switch (request_ccb->ccb_h.func_code) { 1906 case XPT_SCAN_BUS: 1907 case XPT_SCAN_TGT: 1908 { 1909 scsi_scan_bus_info *scan_info; 1910 union ccb *work_ccb, *reset_ccb; 1911 struct cam_path *path; 1912 u_int i; 1913 u_int low_target, max_target; 1914 u_int initiator_id; 1915 1916 /* Find out the characteristics of the bus */ 1917 work_ccb = xpt_alloc_ccb_nowait(); 1918 if (work_ccb == NULL) { 1919 request_ccb->ccb_h.status = CAM_RESRC_UNAVAIL; 1920 xpt_done(request_ccb); 1921 return; 1922 } 1923 xpt_setup_ccb(&work_ccb->ccb_h, request_ccb->ccb_h.path, 1924 request_ccb->ccb_h.pinfo.priority); 1925 work_ccb->ccb_h.func_code = XPT_PATH_INQ; 1926 xpt_action(work_ccb); 1927 if (work_ccb->ccb_h.status != CAM_REQ_CMP) { 1928 request_ccb->ccb_h.status = work_ccb->ccb_h.status; 1929 xpt_free_ccb(work_ccb); 1930 xpt_done(request_ccb); 1931 return; 1932 } 1933 1934 if ((work_ccb->cpi.hba_misc & PIM_NOINITIATOR) != 0) { 1935 /* 1936 * Can't scan the bus on an adapter that 1937 * cannot perform the initiator role. 1938 */ 1939 request_ccb->ccb_h.status = CAM_REQ_CMP; 1940 xpt_free_ccb(work_ccb); 1941 xpt_done(request_ccb); 1942 return; 1943 } 1944 1945 /* We may need to reset bus first, if we haven't done it yet. */ 1946 if ((work_ccb->cpi.hba_inquiry & 1947 (PI_WIDE_32|PI_WIDE_16|PI_SDTR_ABLE)) && 1948 !(work_ccb->cpi.hba_misc & PIM_NOBUSRESET) && 1949 !timevalisset(&request_ccb->ccb_h.path->bus->last_reset) && 1950 (reset_ccb = xpt_alloc_ccb_nowait()) != NULL) { 1951 xpt_setup_ccb(&reset_ccb->ccb_h, request_ccb->ccb_h.path, 1952 CAM_PRIORITY_NONE); 1953 reset_ccb->ccb_h.func_code = XPT_RESET_BUS; 1954 xpt_action(reset_ccb); 1955 if (reset_ccb->ccb_h.status != CAM_REQ_CMP) { 1956 request_ccb->ccb_h.status = reset_ccb->ccb_h.status; 1957 xpt_free_ccb(reset_ccb); 1958 xpt_free_ccb(work_ccb); 1959 xpt_done(request_ccb); 1960 return; 1961 } 1962 xpt_free_ccb(reset_ccb); 1963 } 1964 1965 /* Save some state for use while we probe for devices */ 1966 scan_info = (scsi_scan_bus_info *) malloc(sizeof(scsi_scan_bus_info) + 1967 (work_ccb->cpi.max_target * sizeof (u_int)), M_CAMXPT, M_ZERO|M_NOWAIT); 1968 if (scan_info == NULL) { 1969 request_ccb->ccb_h.status = CAM_RESRC_UNAVAIL; 1970 xpt_free_ccb(work_ccb); 1971 xpt_done(request_ccb); 1972 return; 1973 } 1974 CAM_DEBUG(request_ccb->ccb_h.path, CAM_DEBUG_TRACE, 1975 ("SCAN start for %p\n", scan_info)); 1976 scan_info->request_ccb = request_ccb; 1977 scan_info->cpi = &work_ccb->cpi; 1978 1979 /* Cache on our stack so we can work asynchronously */ 1980 max_target = scan_info->cpi->max_target; 1981 low_target = 0; 1982 initiator_id = scan_info->cpi->initiator_id; 1983 1984 1985 /* 1986 * We can scan all targets in parallel, or do it sequentially. 1987 */ 1988 1989 if (request_ccb->ccb_h.func_code == XPT_SCAN_TGT) { 1990 max_target = low_target = request_ccb->ccb_h.target_id; 1991 scan_info->counter = 0; 1992 } else if (scan_info->cpi->hba_misc & PIM_SEQSCAN) { 1993 max_target = 0; 1994 scan_info->counter = 0; 1995 } else { 1996 scan_info->counter = scan_info->cpi->max_target + 1; 1997 if (scan_info->cpi->initiator_id < scan_info->counter) { 1998 scan_info->counter--; 1999 } 2000 } 2001 mtx = xpt_path_mtx(scan_info->request_ccb->ccb_h.path); 2002 mtx_unlock(mtx); 2003 2004 for (i = low_target; i <= max_target; i++) { 2005 cam_status status; 2006 if (i == initiator_id) 2007 continue; 2008 2009 status = xpt_create_path(&path, NULL, 2010 request_ccb->ccb_h.path_id, 2011 i, 0); 2012 if (status != CAM_REQ_CMP) { 2013 printf("scsi_scan_bus: xpt_create_path failed" 2014 " with status %#x, bus scan halted\n", 2015 status); 2016 free(scan_info, M_CAMXPT); 2017 request_ccb->ccb_h.status = status; 2018 xpt_free_ccb(work_ccb); 2019 xpt_done(request_ccb); 2020 break; 2021 } 2022 work_ccb = xpt_alloc_ccb_nowait(); 2023 if (work_ccb == NULL) { 2024 xpt_free_ccb((union ccb *)scan_info->cpi); 2025 free(scan_info, M_CAMXPT); 2026 xpt_free_path(path); 2027 request_ccb->ccb_h.status = CAM_RESRC_UNAVAIL; 2028 xpt_done(request_ccb); 2029 break; 2030 } 2031 xpt_setup_ccb(&work_ccb->ccb_h, path, 2032 request_ccb->ccb_h.pinfo.priority); 2033 work_ccb->ccb_h.func_code = XPT_SCAN_LUN; 2034 work_ccb->ccb_h.cbfcnp = scsi_scan_bus; 2035 work_ccb->ccb_h.flags |= CAM_UNLOCKED; 2036 work_ccb->ccb_h.ppriv_ptr0 = scan_info; 2037 work_ccb->crcn.flags = request_ccb->crcn.flags; 2038 xpt_action(work_ccb); 2039 } 2040 2041 mtx_lock(mtx); 2042 break; 2043 } 2044 case XPT_SCAN_LUN: 2045 { 2046 cam_status status; 2047 struct cam_path *path, *oldpath; 2048 scsi_scan_bus_info *scan_info; 2049 struct cam_et *target; 2050 struct cam_ed *device, *nextdev; 2051 int next_target; 2052 path_id_t path_id; 2053 target_id_t target_id; 2054 lun_id_t lun_id; 2055 2056 oldpath = request_ccb->ccb_h.path; 2057 2058 status = cam_ccb_status(request_ccb); 2059 scan_info = (scsi_scan_bus_info *)request_ccb->ccb_h.ppriv_ptr0; 2060 path_id = request_ccb->ccb_h.path_id; 2061 target_id = request_ccb->ccb_h.target_id; 2062 lun_id = request_ccb->ccb_h.target_lun; 2063 target = request_ccb->ccb_h.path->target; 2064 next_target = 1; 2065 2066 mtx = xpt_path_mtx(scan_info->request_ccb->ccb_h.path); 2067 mtx_lock(mtx); 2068 mtx_lock(&target->luns_mtx); 2069 if (target->luns) { 2070 lun_id_t first; 2071 u_int nluns = scsi_4btoul(target->luns->length) / 8; 2072 2073 /* 2074 * Make sure we skip over lun 0 if it's the first member 2075 * of the list as we've actually just finished probing 2076 * it. 2077 */ 2078 CAM_GET_LUN(target->luns, 0, first); 2079 if (first == 0 && scan_info->lunindex[target_id] == 0) { 2080 scan_info->lunindex[target_id]++; 2081 } 2082 2083 /* 2084 * Skip any LUNs that the HBA can't deal with. 2085 */ 2086 while (scan_info->lunindex[target_id] < nluns) { 2087 if (scan_info->cpi->hba_misc & PIM_EXTLUNS) { 2088 CAM_GET_LUN(target->luns, 2089 scan_info->lunindex[target_id], 2090 lun_id); 2091 break; 2092 } 2093 2094 if (CAM_CAN_GET_SIMPLE_LUN(target->luns, 2095 scan_info->lunindex[target_id])) { 2096 CAM_GET_SIMPLE_LUN(target->luns, 2097 scan_info->lunindex[target_id], 2098 lun_id); 2099 break; 2100 } 2101 2102 scan_info->lunindex[target_id]++; 2103 } 2104 2105 if (scan_info->lunindex[target_id] < nluns) { 2106 mtx_unlock(&target->luns_mtx); 2107 next_target = 0; 2108 CAM_DEBUG(request_ccb->ccb_h.path, 2109 CAM_DEBUG_PROBE, 2110 ("next lun to try at index %u is %jx\n", 2111 scan_info->lunindex[target_id], 2112 (uintmax_t)lun_id)); 2113 scan_info->lunindex[target_id]++; 2114 } else { 2115 mtx_unlock(&target->luns_mtx); 2116 /* We're done with scanning all luns. */ 2117 } 2118 } else { 2119 mtx_unlock(&target->luns_mtx); 2120 device = request_ccb->ccb_h.path->device; 2121 /* Continue sequential LUN scan if: */ 2122 /* -- we have more LUNs that need recheck */ 2123 mtx_lock(&target->bus->eb_mtx); 2124 nextdev = device; 2125 while ((nextdev = TAILQ_NEXT(nextdev, links)) != NULL) 2126 if ((nextdev->flags & CAM_DEV_UNCONFIGURED) == 0) 2127 break; 2128 mtx_unlock(&target->bus->eb_mtx); 2129 if (nextdev != NULL) { 2130 next_target = 0; 2131 /* -- stop if CAM_QUIRK_NOLUNS is set. */ 2132 } else if (SCSI_QUIRK(device)->quirks & CAM_QUIRK_NOLUNS) { 2133 next_target = 1; 2134 /* -- this LUN is connected and its SCSI version 2135 * allows more LUNs. */ 2136 } else if ((device->flags & CAM_DEV_UNCONFIGURED) == 0) { 2137 if (lun_id < (CAM_SCSI2_MAXLUN-1) || 2138 CAN_SRCH_HI_DENSE(device)) 2139 next_target = 0; 2140 /* -- this LUN is disconnected, its SCSI version 2141 * allows more LUNs and we guess they may be. */ 2142 } else if ((device->flags & CAM_DEV_INQUIRY_DATA_VALID) != 0) { 2143 if (lun_id < (CAM_SCSI2_MAXLUN-1) || 2144 CAN_SRCH_HI_SPARSE(device)) 2145 next_target = 0; 2146 } 2147 if (next_target == 0) { 2148 lun_id++; 2149 if (lun_id > scan_info->cpi->max_lun) 2150 next_target = 1; 2151 } 2152 } 2153 2154 /* 2155 * Check to see if we scan any further luns. 2156 */ 2157 if (next_target) { 2158 int done; 2159 2160 /* 2161 * Free the current request path- we're done with it. 2162 */ 2163 xpt_free_path(oldpath); 2164 hop_again: 2165 done = 0; 2166 if (scan_info->request_ccb->ccb_h.func_code == XPT_SCAN_TGT) { 2167 done = 1; 2168 } else if (scan_info->cpi->hba_misc & PIM_SEQSCAN) { 2169 scan_info->counter++; 2170 if (scan_info->counter == 2171 scan_info->cpi->initiator_id) { 2172 scan_info->counter++; 2173 } 2174 if (scan_info->counter >= 2175 scan_info->cpi->max_target+1) { 2176 done = 1; 2177 } 2178 } else { 2179 scan_info->counter--; 2180 if (scan_info->counter == 0) { 2181 done = 1; 2182 } 2183 } 2184 if (done) { 2185 mtx_unlock(mtx); 2186 xpt_free_ccb(request_ccb); 2187 xpt_free_ccb((union ccb *)scan_info->cpi); 2188 request_ccb = scan_info->request_ccb; 2189 CAM_DEBUG(request_ccb->ccb_h.path, 2190 CAM_DEBUG_TRACE, 2191 ("SCAN done for %p\n", scan_info)); 2192 free(scan_info, M_CAMXPT); 2193 request_ccb->ccb_h.status = CAM_REQ_CMP; 2194 xpt_done(request_ccb); 2195 break; 2196 } 2197 2198 if ((scan_info->cpi->hba_misc & PIM_SEQSCAN) == 0) { 2199 mtx_unlock(mtx); 2200 xpt_free_ccb(request_ccb); 2201 break; 2202 } 2203 status = xpt_create_path(&path, NULL, 2204 scan_info->request_ccb->ccb_h.path_id, 2205 scan_info->counter, 0); 2206 if (status != CAM_REQ_CMP) { 2207 mtx_unlock(mtx); 2208 printf("scsi_scan_bus: xpt_create_path failed" 2209 " with status %#x, bus scan halted\n", 2210 status); 2211 xpt_free_ccb(request_ccb); 2212 xpt_free_ccb((union ccb *)scan_info->cpi); 2213 request_ccb = scan_info->request_ccb; 2214 free(scan_info, M_CAMXPT); 2215 request_ccb->ccb_h.status = status; 2216 xpt_done(request_ccb); 2217 break; 2218 } 2219 xpt_setup_ccb(&request_ccb->ccb_h, path, 2220 request_ccb->ccb_h.pinfo.priority); 2221 request_ccb->ccb_h.func_code = XPT_SCAN_LUN; 2222 request_ccb->ccb_h.cbfcnp = scsi_scan_bus; 2223 request_ccb->ccb_h.flags |= CAM_UNLOCKED; 2224 request_ccb->ccb_h.ppriv_ptr0 = scan_info; 2225 request_ccb->crcn.flags = 2226 scan_info->request_ccb->crcn.flags; 2227 } else { 2228 status = xpt_create_path(&path, NULL, 2229 path_id, target_id, lun_id); 2230 /* 2231 * Free the old request path- we're done with it. We 2232 * do this *after* creating the new path so that 2233 * we don't remove a target that has our lun list 2234 * in the case that lun 0 is not present. 2235 */ 2236 xpt_free_path(oldpath); 2237 if (status != CAM_REQ_CMP) { 2238 printf("scsi_scan_bus: xpt_create_path failed " 2239 "with status %#x, halting LUN scan\n", 2240 status); 2241 goto hop_again; 2242 } 2243 xpt_setup_ccb(&request_ccb->ccb_h, path, 2244 request_ccb->ccb_h.pinfo.priority); 2245 request_ccb->ccb_h.func_code = XPT_SCAN_LUN; 2246 request_ccb->ccb_h.cbfcnp = scsi_scan_bus; 2247 request_ccb->ccb_h.flags |= CAM_UNLOCKED; 2248 request_ccb->ccb_h.ppriv_ptr0 = scan_info; 2249 request_ccb->crcn.flags = 2250 scan_info->request_ccb->crcn.flags; 2251 } 2252 mtx_unlock(mtx); 2253 xpt_action(request_ccb); 2254 break; 2255 } 2256 default: 2257 break; 2258 } 2259 } 2260 2261 static void 2262 scsi_scan_lun(struct cam_periph *periph, struct cam_path *path, 2263 cam_flags flags, union ccb *request_ccb) 2264 { 2265 struct ccb_pathinq cpi; 2266 cam_status status; 2267 struct cam_path *new_path; 2268 struct cam_periph *old_periph; 2269 int lock; 2270 2271 CAM_DEBUG(path, CAM_DEBUG_TRACE, ("scsi_scan_lun\n")); 2272 2273 xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NONE); 2274 cpi.ccb_h.func_code = XPT_PATH_INQ; 2275 xpt_action((union ccb *)&cpi); 2276 2277 if (cpi.ccb_h.status != CAM_REQ_CMP) { 2278 if (request_ccb != NULL) { 2279 request_ccb->ccb_h.status = cpi.ccb_h.status; 2280 xpt_done(request_ccb); 2281 } 2282 return; 2283 } 2284 2285 if ((cpi.hba_misc & PIM_NOINITIATOR) != 0) { 2286 /* 2287 * Can't scan the bus on an adapter that 2288 * cannot perform the initiator role. 2289 */ 2290 if (request_ccb != NULL) { 2291 request_ccb->ccb_h.status = CAM_REQ_CMP; 2292 xpt_done(request_ccb); 2293 } 2294 return; 2295 } 2296 2297 if (request_ccb == NULL) { 2298 request_ccb = xpt_alloc_ccb_nowait(); 2299 if (request_ccb == NULL) { 2300 xpt_print(path, "scsi_scan_lun: can't allocate CCB, " 2301 "can't continue\n"); 2302 return; 2303 } 2304 status = xpt_create_path(&new_path, NULL, 2305 path->bus->path_id, 2306 path->target->target_id, 2307 path->device->lun_id); 2308 if (status != CAM_REQ_CMP) { 2309 xpt_print(path, "scsi_scan_lun: can't create path, " 2310 "can't continue\n"); 2311 xpt_free_ccb(request_ccb); 2312 return; 2313 } 2314 xpt_setup_ccb(&request_ccb->ccb_h, new_path, CAM_PRIORITY_XPT); 2315 request_ccb->ccb_h.cbfcnp = xptscandone; 2316 request_ccb->ccb_h.func_code = XPT_SCAN_LUN; 2317 request_ccb->ccb_h.flags |= CAM_UNLOCKED; 2318 request_ccb->crcn.flags = flags; 2319 } 2320 2321 lock = (xpt_path_owned(path) == 0); 2322 if (lock) 2323 xpt_path_lock(path); 2324 if ((old_periph = cam_periph_find(path, "probe")) != NULL) { 2325 if ((old_periph->flags & CAM_PERIPH_INVALID) == 0) { 2326 probe_softc *softc; 2327 2328 softc = (probe_softc *)old_periph->softc; 2329 TAILQ_INSERT_TAIL(&softc->request_ccbs, 2330 &request_ccb->ccb_h, periph_links.tqe); 2331 } else { 2332 request_ccb->ccb_h.status = CAM_REQ_CMP_ERR; 2333 xpt_done(request_ccb); 2334 } 2335 } else { 2336 status = cam_periph_alloc(proberegister, NULL, probecleanup, 2337 probestart, "probe", 2338 CAM_PERIPH_BIO, 2339 request_ccb->ccb_h.path, NULL, 0, 2340 request_ccb); 2341 2342 if (status != CAM_REQ_CMP) { 2343 xpt_print(path, "scsi_scan_lun: cam_alloc_periph " 2344 "returned an error, can't continue probe\n"); 2345 request_ccb->ccb_h.status = status; 2346 xpt_done(request_ccb); 2347 } 2348 } 2349 if (lock) 2350 xpt_path_unlock(path); 2351 } 2352 2353 static void 2354 xptscandone(struct cam_periph *periph, union ccb *done_ccb) 2355 { 2356 2357 xpt_free_path(done_ccb->ccb_h.path); 2358 xpt_free_ccb(done_ccb); 2359 } 2360 2361 static struct cam_ed * 2362 scsi_alloc_device(struct cam_eb *bus, struct cam_et *target, lun_id_t lun_id) 2363 { 2364 struct scsi_quirk_entry *quirk; 2365 struct cam_ed *device; 2366 2367 device = xpt_alloc_device(bus, target, lun_id); 2368 if (device == NULL) 2369 return (NULL); 2370 2371 /* 2372 * Take the default quirk entry until we have inquiry 2373 * data and can determine a better quirk to use. 2374 */ 2375 quirk = &scsi_quirk_table[nitems(scsi_quirk_table) - 1]; 2376 device->quirk = (void *)quirk; 2377 device->mintags = quirk->mintags; 2378 device->maxtags = quirk->maxtags; 2379 bzero(&device->inq_data, sizeof(device->inq_data)); 2380 device->inq_flags = 0; 2381 device->queue_flags = 0; 2382 device->serial_num = NULL; 2383 device->serial_num_len = 0; 2384 device->device_id = NULL; 2385 device->device_id_len = 0; 2386 device->supported_vpds = NULL; 2387 device->supported_vpds_len = 0; 2388 return (device); 2389 } 2390 2391 static void 2392 scsi_devise_transport(struct cam_path *path) 2393 { 2394 struct ccb_pathinq cpi; 2395 struct ccb_trans_settings cts; 2396 struct scsi_inquiry_data *inq_buf; 2397 2398 /* Get transport information from the SIM */ 2399 xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NONE); 2400 cpi.ccb_h.func_code = XPT_PATH_INQ; 2401 xpt_action((union ccb *)&cpi); 2402 2403 inq_buf = NULL; 2404 if ((path->device->flags & CAM_DEV_INQUIRY_DATA_VALID) != 0) 2405 inq_buf = &path->device->inq_data; 2406 path->device->protocol = PROTO_SCSI; 2407 path->device->protocol_version = 2408 inq_buf != NULL ? SID_ANSI_REV(inq_buf) : cpi.protocol_version; 2409 path->device->transport = cpi.transport; 2410 path->device->transport_version = cpi.transport_version; 2411 2412 /* 2413 * Any device not using SPI3 features should 2414 * be considered SPI2 or lower. 2415 */ 2416 if (inq_buf != NULL) { 2417 if (path->device->transport == XPORT_SPI 2418 && (inq_buf->spi3data & SID_SPI_MASK) == 0 2419 && path->device->transport_version > 2) 2420 path->device->transport_version = 2; 2421 } else { 2422 struct cam_ed* otherdev; 2423 2424 for (otherdev = TAILQ_FIRST(&path->target->ed_entries); 2425 otherdev != NULL; 2426 otherdev = TAILQ_NEXT(otherdev, links)) { 2427 if (otherdev != path->device) 2428 break; 2429 } 2430 2431 if (otherdev != NULL) { 2432 /* 2433 * Initially assume the same versioning as 2434 * prior luns for this target. 2435 */ 2436 path->device->protocol_version = 2437 otherdev->protocol_version; 2438 path->device->transport_version = 2439 otherdev->transport_version; 2440 } else { 2441 /* Until we know better, opt for safety */ 2442 path->device->protocol_version = 2; 2443 if (path->device->transport == XPORT_SPI) 2444 path->device->transport_version = 2; 2445 else 2446 path->device->transport_version = 0; 2447 } 2448 } 2449 2450 /* 2451 * XXX 2452 * For a device compliant with SPC-2 we should be able 2453 * to determine the transport version supported by 2454 * scrutinizing the version descriptors in the 2455 * inquiry buffer. 2456 */ 2457 2458 /* Tell the controller what we think */ 2459 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 2460 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 2461 cts.type = CTS_TYPE_CURRENT_SETTINGS; 2462 cts.transport = path->device->transport; 2463 cts.transport_version = path->device->transport_version; 2464 cts.protocol = path->device->protocol; 2465 cts.protocol_version = path->device->protocol_version; 2466 cts.proto_specific.valid = 0; 2467 cts.xport_specific.valid = 0; 2468 xpt_action((union ccb *)&cts); 2469 } 2470 2471 static void 2472 scsi_dev_advinfo(union ccb *start_ccb) 2473 { 2474 struct cam_ed *device; 2475 struct ccb_dev_advinfo *cdai; 2476 off_t amt; 2477 2478 start_ccb->ccb_h.status = CAM_REQ_INVALID; 2479 device = start_ccb->ccb_h.path->device; 2480 cdai = &start_ccb->cdai; 2481 switch(cdai->buftype) { 2482 case CDAI_TYPE_SCSI_DEVID: 2483 if (cdai->flags & CDAI_FLAG_STORE) 2484 return; 2485 cdai->provsiz = device->device_id_len; 2486 if (device->device_id_len == 0) 2487 break; 2488 amt = device->device_id_len; 2489 if (cdai->provsiz > cdai->bufsiz) 2490 amt = cdai->bufsiz; 2491 memcpy(cdai->buf, device->device_id, amt); 2492 break; 2493 case CDAI_TYPE_SERIAL_NUM: 2494 if (cdai->flags & CDAI_FLAG_STORE) 2495 return; 2496 cdai->provsiz = device->serial_num_len; 2497 if (device->serial_num_len == 0) 2498 break; 2499 amt = device->serial_num_len; 2500 if (cdai->provsiz > cdai->bufsiz) 2501 amt = cdai->bufsiz; 2502 memcpy(cdai->buf, device->serial_num, amt); 2503 break; 2504 case CDAI_TYPE_PHYS_PATH: 2505 if (cdai->flags & CDAI_FLAG_STORE) { 2506 if (device->physpath != NULL) { 2507 free(device->physpath, M_CAMXPT); 2508 device->physpath = NULL; 2509 } 2510 device->physpath_len = cdai->bufsiz; 2511 /* Clear existing buffer if zero length */ 2512 if (cdai->bufsiz == 0) 2513 break; 2514 device->physpath = malloc(cdai->bufsiz, M_CAMXPT, M_NOWAIT); 2515 if (device->physpath == NULL) { 2516 start_ccb->ccb_h.status = CAM_REQ_ABORTED; 2517 return; 2518 } 2519 memcpy(device->physpath, cdai->buf, cdai->bufsiz); 2520 } else { 2521 cdai->provsiz = device->physpath_len; 2522 if (device->physpath_len == 0) 2523 break; 2524 amt = device->physpath_len; 2525 if (cdai->provsiz > cdai->bufsiz) 2526 amt = cdai->bufsiz; 2527 memcpy(cdai->buf, device->physpath, amt); 2528 } 2529 break; 2530 case CDAI_TYPE_RCAPLONG: 2531 if (cdai->flags & CDAI_FLAG_STORE) { 2532 if (device->rcap_buf != NULL) { 2533 free(device->rcap_buf, M_CAMXPT); 2534 device->rcap_buf = NULL; 2535 } 2536 2537 device->rcap_len = cdai->bufsiz; 2538 /* Clear existing buffer if zero length */ 2539 if (cdai->bufsiz == 0) 2540 break; 2541 2542 device->rcap_buf = malloc(cdai->bufsiz, M_CAMXPT, 2543 M_NOWAIT); 2544 if (device->rcap_buf == NULL) { 2545 start_ccb->ccb_h.status = CAM_REQ_ABORTED; 2546 return; 2547 } 2548 2549 memcpy(device->rcap_buf, cdai->buf, cdai->bufsiz); 2550 } else { 2551 cdai->provsiz = device->rcap_len; 2552 if (device->rcap_len == 0) 2553 break; 2554 amt = device->rcap_len; 2555 if (cdai->provsiz > cdai->bufsiz) 2556 amt = cdai->bufsiz; 2557 memcpy(cdai->buf, device->rcap_buf, amt); 2558 } 2559 break; 2560 case CDAI_TYPE_EXT_INQ: 2561 /* 2562 * We fetch extended inquiry data during probe, if 2563 * available. We don't allow changing it. 2564 */ 2565 if (cdai->flags & CDAI_FLAG_STORE) 2566 return; 2567 cdai->provsiz = device->ext_inq_len; 2568 if (device->ext_inq_len == 0) 2569 break; 2570 amt = device->ext_inq_len; 2571 if (cdai->provsiz > cdai->bufsiz) 2572 amt = cdai->bufsiz; 2573 memcpy(cdai->buf, device->ext_inq, amt); 2574 break; 2575 default: 2576 return; 2577 } 2578 start_ccb->ccb_h.status = CAM_REQ_CMP; 2579 2580 if (cdai->flags & CDAI_FLAG_STORE) { 2581 xpt_async(AC_ADVINFO_CHANGED, start_ccb->ccb_h.path, 2582 (void *)(uintptr_t)cdai->buftype); 2583 } 2584 } 2585 2586 static void 2587 scsi_action(union ccb *start_ccb) 2588 { 2589 2590 switch (start_ccb->ccb_h.func_code) { 2591 case XPT_SET_TRAN_SETTINGS: 2592 { 2593 scsi_set_transfer_settings(&start_ccb->cts, 2594 start_ccb->ccb_h.path, 2595 /*async_update*/FALSE); 2596 break; 2597 } 2598 case XPT_SCAN_BUS: 2599 case XPT_SCAN_TGT: 2600 scsi_scan_bus(start_ccb->ccb_h.path->periph, start_ccb); 2601 break; 2602 case XPT_SCAN_LUN: 2603 scsi_scan_lun(start_ccb->ccb_h.path->periph, 2604 start_ccb->ccb_h.path, start_ccb->crcn.flags, 2605 start_ccb); 2606 break; 2607 case XPT_DEV_ADVINFO: 2608 { 2609 scsi_dev_advinfo(start_ccb); 2610 break; 2611 } 2612 default: 2613 xpt_action_default(start_ccb); 2614 break; 2615 } 2616 } 2617 2618 static void 2619 scsi_set_transfer_settings(struct ccb_trans_settings *cts, struct cam_path *path, 2620 int async_update) 2621 { 2622 struct ccb_pathinq cpi; 2623 struct ccb_trans_settings cur_cts; 2624 struct ccb_trans_settings_scsi *scsi; 2625 struct ccb_trans_settings_scsi *cur_scsi; 2626 struct scsi_inquiry_data *inq_data; 2627 struct cam_ed *device; 2628 2629 if (path == NULL || (device = path->device) == NULL) { 2630 cts->ccb_h.status = CAM_PATH_INVALID; 2631 xpt_done((union ccb *)cts); 2632 return; 2633 } 2634 2635 if (cts->protocol == PROTO_UNKNOWN 2636 || cts->protocol == PROTO_UNSPECIFIED) { 2637 cts->protocol = device->protocol; 2638 cts->protocol_version = device->protocol_version; 2639 } 2640 2641 if (cts->protocol_version == PROTO_VERSION_UNKNOWN 2642 || cts->protocol_version == PROTO_VERSION_UNSPECIFIED) 2643 cts->protocol_version = device->protocol_version; 2644 2645 if (cts->protocol != device->protocol) { 2646 xpt_print(path, "Uninitialized Protocol %x:%x?\n", 2647 cts->protocol, device->protocol); 2648 cts->protocol = device->protocol; 2649 } 2650 2651 if (cts->protocol_version > device->protocol_version) { 2652 if (bootverbose) { 2653 xpt_print(path, "Down reving Protocol " 2654 "Version from %d to %d?\n", cts->protocol_version, 2655 device->protocol_version); 2656 } 2657 cts->protocol_version = device->protocol_version; 2658 } 2659 2660 if (cts->transport == XPORT_UNKNOWN 2661 || cts->transport == XPORT_UNSPECIFIED) { 2662 cts->transport = device->transport; 2663 cts->transport_version = device->transport_version; 2664 } 2665 2666 if (cts->transport_version == XPORT_VERSION_UNKNOWN 2667 || cts->transport_version == XPORT_VERSION_UNSPECIFIED) 2668 cts->transport_version = device->transport_version; 2669 2670 if (cts->transport != device->transport) { 2671 xpt_print(path, "Uninitialized Transport %x:%x?\n", 2672 cts->transport, device->transport); 2673 cts->transport = device->transport; 2674 } 2675 2676 if (cts->transport_version > device->transport_version) { 2677 if (bootverbose) { 2678 xpt_print(path, "Down reving Transport " 2679 "Version from %d to %d?\n", cts->transport_version, 2680 device->transport_version); 2681 } 2682 cts->transport_version = device->transport_version; 2683 } 2684 2685 /* 2686 * Nothing more of interest to do unless 2687 * this is a device connected via the 2688 * SCSI protocol. 2689 */ 2690 if (cts->protocol != PROTO_SCSI) { 2691 if (async_update == FALSE) 2692 xpt_action_default((union ccb *)cts); 2693 return; 2694 } 2695 2696 inq_data = &device->inq_data; 2697 scsi = &cts->proto_specific.scsi; 2698 xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NONE); 2699 cpi.ccb_h.func_code = XPT_PATH_INQ; 2700 xpt_action((union ccb *)&cpi); 2701 2702 /* SCSI specific sanity checking */ 2703 if ((cpi.hba_inquiry & PI_TAG_ABLE) == 0 2704 || (INQ_DATA_TQ_ENABLED(inq_data)) == 0 2705 || (device->queue_flags & SCP_QUEUE_DQUE) != 0 2706 || (device->mintags == 0)) { 2707 /* 2708 * Can't tag on hardware that doesn't support tags, 2709 * doesn't have it enabled, or has broken tag support. 2710 */ 2711 scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB; 2712 } 2713 2714 if (async_update == FALSE) { 2715 /* 2716 * Perform sanity checking against what the 2717 * controller and device can do. 2718 */ 2719 xpt_setup_ccb(&cur_cts.ccb_h, path, CAM_PRIORITY_NONE); 2720 cur_cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 2721 cur_cts.type = cts->type; 2722 xpt_action((union ccb *)&cur_cts); 2723 if (cam_ccb_status((union ccb *)&cur_cts) != CAM_REQ_CMP) { 2724 return; 2725 } 2726 cur_scsi = &cur_cts.proto_specific.scsi; 2727 if ((scsi->valid & CTS_SCSI_VALID_TQ) == 0) { 2728 scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB; 2729 scsi->flags |= cur_scsi->flags & CTS_SCSI_FLAGS_TAG_ENB; 2730 } 2731 if ((cur_scsi->valid & CTS_SCSI_VALID_TQ) == 0) 2732 scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB; 2733 } 2734 2735 /* SPI specific sanity checking */ 2736 if (cts->transport == XPORT_SPI && async_update == FALSE) { 2737 u_int spi3caps; 2738 struct ccb_trans_settings_spi *spi; 2739 struct ccb_trans_settings_spi *cur_spi; 2740 2741 spi = &cts->xport_specific.spi; 2742 2743 cur_spi = &cur_cts.xport_specific.spi; 2744 2745 /* Fill in any gaps in what the user gave us */ 2746 if ((spi->valid & CTS_SPI_VALID_SYNC_RATE) == 0) 2747 spi->sync_period = cur_spi->sync_period; 2748 if ((cur_spi->valid & CTS_SPI_VALID_SYNC_RATE) == 0) 2749 spi->sync_period = 0; 2750 if ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) == 0) 2751 spi->sync_offset = cur_spi->sync_offset; 2752 if ((cur_spi->valid & CTS_SPI_VALID_SYNC_OFFSET) == 0) 2753 spi->sync_offset = 0; 2754 if ((spi->valid & CTS_SPI_VALID_PPR_OPTIONS) == 0) 2755 spi->ppr_options = cur_spi->ppr_options; 2756 if ((cur_spi->valid & CTS_SPI_VALID_PPR_OPTIONS) == 0) 2757 spi->ppr_options = 0; 2758 if ((spi->valid & CTS_SPI_VALID_BUS_WIDTH) == 0) 2759 spi->bus_width = cur_spi->bus_width; 2760 if ((cur_spi->valid & CTS_SPI_VALID_BUS_WIDTH) == 0) 2761 spi->bus_width = 0; 2762 if ((spi->valid & CTS_SPI_VALID_DISC) == 0) { 2763 spi->flags &= ~CTS_SPI_FLAGS_DISC_ENB; 2764 spi->flags |= cur_spi->flags & CTS_SPI_FLAGS_DISC_ENB; 2765 } 2766 if ((cur_spi->valid & CTS_SPI_VALID_DISC) == 0) 2767 spi->flags &= ~CTS_SPI_FLAGS_DISC_ENB; 2768 if (((device->flags & CAM_DEV_INQUIRY_DATA_VALID) != 0 2769 && (inq_data->flags & SID_Sync) == 0 2770 && cts->type == CTS_TYPE_CURRENT_SETTINGS) 2771 || ((cpi.hba_inquiry & PI_SDTR_ABLE) == 0)) { 2772 /* Force async */ 2773 spi->sync_period = 0; 2774 spi->sync_offset = 0; 2775 } 2776 2777 switch (spi->bus_width) { 2778 case MSG_EXT_WDTR_BUS_32_BIT: 2779 if (((device->flags & CAM_DEV_INQUIRY_DATA_VALID) == 0 2780 || (inq_data->flags & SID_WBus32) != 0 2781 || cts->type == CTS_TYPE_USER_SETTINGS) 2782 && (cpi.hba_inquiry & PI_WIDE_32) != 0) 2783 break; 2784 /* Fall Through to 16-bit */ 2785 case MSG_EXT_WDTR_BUS_16_BIT: 2786 if (((device->flags & CAM_DEV_INQUIRY_DATA_VALID) == 0 2787 || (inq_data->flags & SID_WBus16) != 0 2788 || cts->type == CTS_TYPE_USER_SETTINGS) 2789 && (cpi.hba_inquiry & PI_WIDE_16) != 0) { 2790 spi->bus_width = MSG_EXT_WDTR_BUS_16_BIT; 2791 break; 2792 } 2793 /* Fall Through to 8-bit */ 2794 default: /* New bus width?? */ 2795 case MSG_EXT_WDTR_BUS_8_BIT: 2796 /* All targets can do this */ 2797 spi->bus_width = MSG_EXT_WDTR_BUS_8_BIT; 2798 break; 2799 } 2800 2801 spi3caps = cpi.xport_specific.spi.ppr_options; 2802 if ((device->flags & CAM_DEV_INQUIRY_DATA_VALID) != 0 2803 && cts->type == CTS_TYPE_CURRENT_SETTINGS) 2804 spi3caps &= inq_data->spi3data; 2805 2806 if ((spi3caps & SID_SPI_CLOCK_DT) == 0) 2807 spi->ppr_options &= ~MSG_EXT_PPR_DT_REQ; 2808 2809 if ((spi3caps & SID_SPI_IUS) == 0) 2810 spi->ppr_options &= ~MSG_EXT_PPR_IU_REQ; 2811 2812 if ((spi3caps & SID_SPI_QAS) == 0) 2813 spi->ppr_options &= ~MSG_EXT_PPR_QAS_REQ; 2814 2815 /* No SPI Transfer settings are allowed unless we are wide */ 2816 if (spi->bus_width == 0) 2817 spi->ppr_options = 0; 2818 2819 if ((spi->valid & CTS_SPI_VALID_DISC) 2820 && ((spi->flags & CTS_SPI_FLAGS_DISC_ENB) == 0)) { 2821 /* 2822 * Can't tag queue without disconnection. 2823 */ 2824 scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB; 2825 scsi->valid |= CTS_SCSI_VALID_TQ; 2826 } 2827 2828 /* 2829 * If we are currently performing tagged transactions to 2830 * this device and want to change its negotiation parameters, 2831 * go non-tagged for a bit to give the controller a chance to 2832 * negotiate unhampered by tag messages. 2833 */ 2834 if (cts->type == CTS_TYPE_CURRENT_SETTINGS 2835 && (device->inq_flags & SID_CmdQue) != 0 2836 && (scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0 2837 && (spi->flags & (CTS_SPI_VALID_SYNC_RATE| 2838 CTS_SPI_VALID_SYNC_OFFSET| 2839 CTS_SPI_VALID_BUS_WIDTH)) != 0) 2840 scsi_toggle_tags(path); 2841 } 2842 2843 if (cts->type == CTS_TYPE_CURRENT_SETTINGS 2844 && (scsi->valid & CTS_SCSI_VALID_TQ) != 0) { 2845 int device_tagenb; 2846 2847 /* 2848 * If we are transitioning from tags to no-tags or 2849 * vice-versa, we need to carefully freeze and restart 2850 * the queue so that we don't overlap tagged and non-tagged 2851 * commands. We also temporarily stop tags if there is 2852 * a change in transfer negotiation settings to allow 2853 * "tag-less" negotiation. 2854 */ 2855 if ((device->flags & CAM_DEV_TAG_AFTER_COUNT) != 0 2856 || (device->inq_flags & SID_CmdQue) != 0) 2857 device_tagenb = TRUE; 2858 else 2859 device_tagenb = FALSE; 2860 2861 if (((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0 2862 && device_tagenb == FALSE) 2863 || ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) == 0 2864 && device_tagenb == TRUE)) { 2865 2866 if ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0) { 2867 /* 2868 * Delay change to use tags until after a 2869 * few commands have gone to this device so 2870 * the controller has time to perform transfer 2871 * negotiations without tagged messages getting 2872 * in the way. 2873 */ 2874 device->tag_delay_count = CAM_TAG_DELAY_COUNT; 2875 device->flags |= CAM_DEV_TAG_AFTER_COUNT; 2876 } else { 2877 xpt_stop_tags(path); 2878 } 2879 } 2880 } 2881 if (async_update == FALSE) 2882 xpt_action_default((union ccb *)cts); 2883 } 2884 2885 static void 2886 scsi_toggle_tags(struct cam_path *path) 2887 { 2888 struct cam_ed *dev; 2889 2890 /* 2891 * Give controllers a chance to renegotiate 2892 * before starting tag operations. We 2893 * "toggle" tagged queuing off then on 2894 * which causes the tag enable command delay 2895 * counter to come into effect. 2896 */ 2897 dev = path->device; 2898 if ((dev->flags & CAM_DEV_TAG_AFTER_COUNT) != 0 2899 || ((dev->inq_flags & SID_CmdQue) != 0 2900 && (dev->inq_flags & (SID_Sync|SID_WBus16|SID_WBus32)) != 0)) { 2901 struct ccb_trans_settings cts; 2902 2903 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 2904 cts.protocol = PROTO_SCSI; 2905 cts.protocol_version = PROTO_VERSION_UNSPECIFIED; 2906 cts.transport = XPORT_UNSPECIFIED; 2907 cts.transport_version = XPORT_VERSION_UNSPECIFIED; 2908 cts.proto_specific.scsi.flags = 0; 2909 cts.proto_specific.scsi.valid = CTS_SCSI_VALID_TQ; 2910 scsi_set_transfer_settings(&cts, path, 2911 /*async_update*/TRUE); 2912 cts.proto_specific.scsi.flags = CTS_SCSI_FLAGS_TAG_ENB; 2913 scsi_set_transfer_settings(&cts, path, 2914 /*async_update*/TRUE); 2915 } 2916 } 2917 2918 /* 2919 * Handle any per-device event notifications that require action by the XPT. 2920 */ 2921 static void 2922 scsi_dev_async(u_int32_t async_code, struct cam_eb *bus, struct cam_et *target, 2923 struct cam_ed *device, void *async_arg) 2924 { 2925 cam_status status; 2926 struct cam_path newpath; 2927 2928 /* 2929 * We only need to handle events for real devices. 2930 */ 2931 if (target->target_id == CAM_TARGET_WILDCARD 2932 || device->lun_id == CAM_LUN_WILDCARD) 2933 return; 2934 2935 /* 2936 * We need our own path with wildcards expanded to 2937 * handle certain types of events. 2938 */ 2939 if ((async_code == AC_SENT_BDR) 2940 || (async_code == AC_BUS_RESET) 2941 || (async_code == AC_INQ_CHANGED)) 2942 status = xpt_compile_path(&newpath, NULL, 2943 bus->path_id, 2944 target->target_id, 2945 device->lun_id); 2946 else 2947 status = CAM_REQ_CMP_ERR; 2948 2949 if (status == CAM_REQ_CMP) { 2950 2951 /* 2952 * Allow transfer negotiation to occur in a 2953 * tag free environment and after settle delay. 2954 */ 2955 if (async_code == AC_SENT_BDR 2956 || async_code == AC_BUS_RESET) { 2957 cam_freeze_devq(&newpath); 2958 cam_release_devq(&newpath, 2959 RELSIM_RELEASE_AFTER_TIMEOUT, 2960 /*reduction*/0, 2961 /*timeout*/scsi_delay, 2962 /*getcount_only*/0); 2963 scsi_toggle_tags(&newpath); 2964 } 2965 2966 if (async_code == AC_INQ_CHANGED) { 2967 /* 2968 * We've sent a start unit command, or 2969 * something similar to a device that 2970 * may have caused its inquiry data to 2971 * change. So we re-scan the device to 2972 * refresh the inquiry data for it. 2973 */ 2974 scsi_scan_lun(newpath.periph, &newpath, 2975 CAM_EXPECT_INQ_CHANGE, NULL); 2976 } 2977 xpt_release_path(&newpath); 2978 } else if (async_code == AC_LOST_DEVICE && 2979 (device->flags & CAM_DEV_UNCONFIGURED) == 0) { 2980 device->flags |= CAM_DEV_UNCONFIGURED; 2981 xpt_release_device(device); 2982 } else if (async_code == AC_TRANSFER_NEG) { 2983 struct ccb_trans_settings *settings; 2984 struct cam_path path; 2985 2986 settings = (struct ccb_trans_settings *)async_arg; 2987 xpt_compile_path(&path, NULL, bus->path_id, target->target_id, 2988 device->lun_id); 2989 scsi_set_transfer_settings(settings, &path, 2990 /*async_update*/TRUE); 2991 xpt_release_path(&path); 2992 } 2993 } 2994 2995 static void 2996 scsi_announce_periph(struct cam_periph *periph) 2997 { 2998 struct ccb_pathinq cpi; 2999 struct ccb_trans_settings cts; 3000 struct cam_path *path = periph->path; 3001 u_int speed; 3002 u_int freq; 3003 u_int mb; 3004 3005 cam_periph_assert(periph, MA_OWNED); 3006 3007 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NORMAL); 3008 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 3009 cts.type = CTS_TYPE_CURRENT_SETTINGS; 3010 xpt_action((union ccb*)&cts); 3011 if (cam_ccb_status((union ccb *)&cts) != CAM_REQ_CMP) 3012 return; 3013 /* Ask the SIM for its base transfer speed */ 3014 xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NORMAL); 3015 cpi.ccb_h.func_code = XPT_PATH_INQ; 3016 xpt_action((union ccb *)&cpi); 3017 /* Report connection speed */ 3018 speed = cpi.base_transfer_speed; 3019 freq = 0; 3020 if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_SPI) { 3021 struct ccb_trans_settings_spi *spi = 3022 &cts.xport_specific.spi; 3023 3024 if ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) != 0 3025 && spi->sync_offset != 0) { 3026 freq = scsi_calc_syncsrate(spi->sync_period); 3027 speed = freq; 3028 } 3029 if ((spi->valid & CTS_SPI_VALID_BUS_WIDTH) != 0) 3030 speed *= (0x01 << spi->bus_width); 3031 } 3032 if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_FC) { 3033 struct ccb_trans_settings_fc *fc = 3034 &cts.xport_specific.fc; 3035 3036 if (fc->valid & CTS_FC_VALID_SPEED) 3037 speed = fc->bitrate; 3038 } 3039 if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_SAS) { 3040 struct ccb_trans_settings_sas *sas = 3041 &cts.xport_specific.sas; 3042 3043 if (sas->valid & CTS_SAS_VALID_SPEED) 3044 speed = sas->bitrate; 3045 } 3046 mb = speed / 1000; 3047 if (mb > 0) 3048 printf("%s%d: %d.%03dMB/s transfers", 3049 periph->periph_name, periph->unit_number, 3050 mb, speed % 1000); 3051 else 3052 printf("%s%d: %dKB/s transfers", periph->periph_name, 3053 periph->unit_number, speed); 3054 /* Report additional information about SPI connections */ 3055 if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_SPI) { 3056 struct ccb_trans_settings_spi *spi; 3057 3058 spi = &cts.xport_specific.spi; 3059 if (freq != 0) { 3060 printf(" (%d.%03dMHz%s, offset %d", freq / 1000, 3061 freq % 1000, 3062 (spi->ppr_options & MSG_EXT_PPR_DT_REQ) != 0 3063 ? " DT" : "", 3064 spi->sync_offset); 3065 } 3066 if ((spi->valid & CTS_SPI_VALID_BUS_WIDTH) != 0 3067 && spi->bus_width > 0) { 3068 if (freq != 0) { 3069 printf(", "); 3070 } else { 3071 printf(" ("); 3072 } 3073 printf("%dbit)", 8 * (0x01 << spi->bus_width)); 3074 } else if (freq != 0) { 3075 printf(")"); 3076 } 3077 } 3078 if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_FC) { 3079 struct ccb_trans_settings_fc *fc; 3080 3081 fc = &cts.xport_specific.fc; 3082 if (fc->valid & CTS_FC_VALID_WWNN) 3083 printf(" WWNN 0x%llx", (long long) fc->wwnn); 3084 if (fc->valid & CTS_FC_VALID_WWPN) 3085 printf(" WWPN 0x%llx", (long long) fc->wwpn); 3086 if (fc->valid & CTS_FC_VALID_PORT) 3087 printf(" PortID 0x%x", fc->port); 3088 } 3089 printf("\n"); 3090 } 3091 3092