1 /*- 2 * Implementation of the SCSI Transport 3 * 4 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 5 * 6 * Copyright (c) 1997, 1998, 1999 Justin T. Gibbs. 7 * Copyright (c) 1997, 1998, 1999 Kenneth D. Merry. 8 * All rights reserved. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions, and the following disclaimer, 15 * without modification, immediately at the beginning of the file. 16 * 2. The name of the author may not be used to endorse or promote products 17 * derived from this software without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 23 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 */ 31 32 #include <sys/cdefs.h> 33 __FBSDID("$FreeBSD$"); 34 35 #include <sys/param.h> 36 #include <sys/bus.h> 37 #include <sys/systm.h> 38 #include <sys/types.h> 39 #include <sys/malloc.h> 40 #include <sys/kernel.h> 41 #include <sys/time.h> 42 #include <sys/conf.h> 43 #include <sys/fcntl.h> 44 #include <sys/md5.h> 45 #include <sys/interrupt.h> 46 #include <sys/sbuf.h> 47 48 #include <sys/lock.h> 49 #include <sys/mutex.h> 50 #include <sys/sysctl.h> 51 52 #include <cam/cam.h> 53 #include <cam/cam_ccb.h> 54 #include <cam/cam_queue.h> 55 #include <cam/cam_periph.h> 56 #include <cam/cam_sim.h> 57 #include <cam/cam_xpt.h> 58 #include <cam/cam_xpt_sim.h> 59 #include <cam/cam_xpt_periph.h> 60 #include <cam/cam_xpt_internal.h> 61 #include <cam/cam_debug.h> 62 63 #include <cam/scsi/scsi_all.h> 64 #include <cam/scsi/scsi_message.h> 65 #include <cam/scsi/scsi_pass.h> 66 #include <machine/stdarg.h> /* for xpt_print below */ 67 #include "opt_cam.h" 68 69 struct scsi_quirk_entry { 70 struct scsi_inquiry_pattern inq_pat; 71 u_int8_t quirks; 72 #define CAM_QUIRK_NOLUNS 0x01 73 #define CAM_QUIRK_NOVPDS 0x02 74 #define CAM_QUIRK_HILUNS 0x04 75 #define CAM_QUIRK_NOHILUNS 0x08 76 #define CAM_QUIRK_NORPTLUNS 0x10 77 u_int mintags; 78 u_int maxtags; 79 }; 80 #define SCSI_QUIRK(dev) ((struct scsi_quirk_entry *)((dev)->quirk)) 81 82 static int cam_srch_hi = 0; 83 static int sysctl_cam_search_luns(SYSCTL_HANDLER_ARGS); 84 SYSCTL_PROC(_kern_cam, OID_AUTO, cam_srch_hi, CTLTYPE_INT | CTLFLAG_RWTUN, 0, 0, 85 sysctl_cam_search_luns, "I", 86 "allow search above LUN 7 for SCSI3 and greater devices"); 87 88 #define CAM_SCSI2_MAXLUN 8 89 #define CAM_CAN_GET_SIMPLE_LUN(x, i) \ 90 ((((x)->luns[i].lundata[0] & RPL_LUNDATA_ATYP_MASK) == \ 91 RPL_LUNDATA_ATYP_PERIPH) || \ 92 (((x)->luns[i].lundata[0] & RPL_LUNDATA_ATYP_MASK) == \ 93 RPL_LUNDATA_ATYP_FLAT)) 94 #define CAM_GET_SIMPLE_LUN(lp, i, lval) \ 95 if (((lp)->luns[(i)].lundata[0] & RPL_LUNDATA_ATYP_MASK) == \ 96 RPL_LUNDATA_ATYP_PERIPH) { \ 97 (lval) = (lp)->luns[(i)].lundata[1]; \ 98 } else { \ 99 (lval) = (lp)->luns[(i)].lundata[0]; \ 100 (lval) &= RPL_LUNDATA_FLAT_LUN_MASK; \ 101 (lval) <<= 8; \ 102 (lval) |= (lp)->luns[(i)].lundata[1]; \ 103 } 104 #define CAM_GET_LUN(lp, i, lval) \ 105 (lval) = scsi_8btou64((lp)->luns[(i)].lundata); \ 106 (lval) = CAM_EXTLUN_BYTE_SWIZZLE(lval); 107 108 /* 109 * If we're not quirked to search <= the first 8 luns 110 * and we are either quirked to search above lun 8, 111 * or we're > SCSI-2 and we've enabled hilun searching, 112 * or we're > SCSI-2 and the last lun was a success, 113 * we can look for luns above lun 8. 114 */ 115 #define CAN_SRCH_HI_SPARSE(dv) \ 116 (((SCSI_QUIRK(dv)->quirks & CAM_QUIRK_NOHILUNS) == 0) \ 117 && ((SCSI_QUIRK(dv)->quirks & CAM_QUIRK_HILUNS) \ 118 || (SID_ANSI_REV(&dv->inq_data) > SCSI_REV_2 && cam_srch_hi))) 119 120 #define CAN_SRCH_HI_DENSE(dv) \ 121 (((SCSI_QUIRK(dv)->quirks & CAM_QUIRK_NOHILUNS) == 0) \ 122 && ((SCSI_QUIRK(dv)->quirks & CAM_QUIRK_HILUNS) \ 123 || (SID_ANSI_REV(&dv->inq_data) > SCSI_REV_2))) 124 125 static periph_init_t probe_periph_init; 126 127 static struct periph_driver probe_driver = 128 { 129 probe_periph_init, "probe", 130 TAILQ_HEAD_INITIALIZER(probe_driver.units), /* generation */ 0, 131 CAM_PERIPH_DRV_EARLY 132 }; 133 134 PERIPHDRIVER_DECLARE(probe, probe_driver); 135 136 typedef enum { 137 PROBE_TUR, 138 PROBE_INQUIRY, /* this counts as DV0 for Basic Domain Validation */ 139 PROBE_FULL_INQUIRY, 140 PROBE_REPORT_LUNS, 141 PROBE_MODE_SENSE, 142 PROBE_SUPPORTED_VPD_LIST, 143 PROBE_DEVICE_ID, 144 PROBE_EXTENDED_INQUIRY, 145 PROBE_SERIAL_NUM, 146 PROBE_TUR_FOR_NEGOTIATION, 147 PROBE_INQUIRY_BASIC_DV1, 148 PROBE_INQUIRY_BASIC_DV2, 149 PROBE_DV_EXIT, 150 PROBE_DONE, 151 PROBE_INVALID 152 } probe_action; 153 154 static char *probe_action_text[] = { 155 "PROBE_TUR", 156 "PROBE_INQUIRY", 157 "PROBE_FULL_INQUIRY", 158 "PROBE_REPORT_LUNS", 159 "PROBE_MODE_SENSE", 160 "PROBE_SUPPORTED_VPD_LIST", 161 "PROBE_DEVICE_ID", 162 "PROBE_EXTENDED_INQUIRY", 163 "PROBE_SERIAL_NUM", 164 "PROBE_TUR_FOR_NEGOTIATION", 165 "PROBE_INQUIRY_BASIC_DV1", 166 "PROBE_INQUIRY_BASIC_DV2", 167 "PROBE_DV_EXIT", 168 "PROBE_DONE", 169 "PROBE_INVALID" 170 }; 171 172 #define PROBE_SET_ACTION(softc, newaction) \ 173 do { \ 174 char **text; \ 175 text = probe_action_text; \ 176 CAM_DEBUG((softc)->periph->path, CAM_DEBUG_PROBE, \ 177 ("Probe %s to %s\n", text[(softc)->action], \ 178 text[(newaction)])); \ 179 (softc)->action = (newaction); \ 180 } while(0) 181 182 typedef enum { 183 PROBE_INQUIRY_CKSUM = 0x01, 184 PROBE_SERIAL_CKSUM = 0x02, 185 PROBE_NO_ANNOUNCE = 0x04, 186 PROBE_EXTLUN = 0x08 187 } probe_flags; 188 189 typedef struct { 190 TAILQ_HEAD(, ccb_hdr) request_ccbs; 191 probe_action action; 192 union ccb saved_ccb; 193 probe_flags flags; 194 MD5_CTX context; 195 u_int8_t digest[16]; 196 struct cam_periph *periph; 197 } probe_softc; 198 199 static const char quantum[] = "QUANTUM"; 200 static const char sony[] = "SONY"; 201 static const char west_digital[] = "WDIGTL"; 202 static const char samsung[] = "SAMSUNG"; 203 static const char seagate[] = "SEAGATE"; 204 static const char microp[] = "MICROP"; 205 206 static struct scsi_quirk_entry scsi_quirk_table[] = 207 { 208 { 209 /* Reports QUEUE FULL for temporary resource shortages */ 210 { T_DIRECT, SIP_MEDIA_FIXED, quantum, "XP39100*", "*" }, 211 /*quirks*/0, /*mintags*/24, /*maxtags*/32 212 }, 213 { 214 /* Reports QUEUE FULL for temporary resource shortages */ 215 { T_DIRECT, SIP_MEDIA_FIXED, quantum, "XP34550*", "*" }, 216 /*quirks*/0, /*mintags*/24, /*maxtags*/32 217 }, 218 { 219 /* Reports QUEUE FULL for temporary resource shortages */ 220 { T_DIRECT, SIP_MEDIA_FIXED, quantum, "XP32275*", "*" }, 221 /*quirks*/0, /*mintags*/24, /*maxtags*/32 222 }, 223 { 224 /* Broken tagged queuing drive */ 225 { T_DIRECT, SIP_MEDIA_FIXED, microp, "4421-07*", "*" }, 226 /*quirks*/0, /*mintags*/0, /*maxtags*/0 227 }, 228 { 229 /* Broken tagged queuing drive */ 230 { T_DIRECT, SIP_MEDIA_FIXED, "HP", "C372*", "*" }, 231 /*quirks*/0, /*mintags*/0, /*maxtags*/0 232 }, 233 { 234 /* Broken tagged queuing drive */ 235 { T_DIRECT, SIP_MEDIA_FIXED, microp, "3391*", "x43h" }, 236 /*quirks*/0, /*mintags*/0, /*maxtags*/0 237 }, 238 { 239 /* 240 * Unfortunately, the Quantum Atlas III has the same 241 * problem as the Atlas II drives above. 242 * Reported by: "Johan Granlund" <johan@granlund.nu> 243 * 244 * For future reference, the drive with the problem was: 245 * QUANTUM QM39100TD-SW N1B0 246 * 247 * It's possible that Quantum will fix the problem in later 248 * firmware revisions. If that happens, the quirk entry 249 * will need to be made specific to the firmware revisions 250 * with the problem. 251 * 252 */ 253 /* Reports QUEUE FULL for temporary resource shortages */ 254 { T_DIRECT, SIP_MEDIA_FIXED, quantum, "QM39100*", "*" }, 255 /*quirks*/0, /*mintags*/24, /*maxtags*/32 256 }, 257 { 258 /* 259 * 18 Gig Atlas III, same problem as the 9G version. 260 * Reported by: Andre Albsmeier 261 * <andre.albsmeier@mchp.siemens.de> 262 * 263 * For future reference, the drive with the problem was: 264 * QUANTUM QM318000TD-S N491 265 */ 266 /* Reports QUEUE FULL for temporary resource shortages */ 267 { T_DIRECT, SIP_MEDIA_FIXED, quantum, "QM318000*", "*" }, 268 /*quirks*/0, /*mintags*/24, /*maxtags*/32 269 }, 270 { 271 /* 272 * Broken tagged queuing drive 273 * Reported by: Bret Ford <bford@uop.cs.uop.edu> 274 * and: Martin Renters <martin@tdc.on.ca> 275 */ 276 { T_DIRECT, SIP_MEDIA_FIXED, seagate, "ST410800*", "71*" }, 277 /*quirks*/0, /*mintags*/0, /*maxtags*/0 278 }, 279 /* 280 * The Seagate Medalist Pro drives have very poor write 281 * performance with anything more than 2 tags. 282 * 283 * Reported by: Paul van der Zwan <paulz@trantor.xs4all.nl> 284 * Drive: <SEAGATE ST36530N 1444> 285 * 286 * Reported by: Jeremy Lea <reg@shale.csir.co.za> 287 * Drive: <SEAGATE ST34520W 1281> 288 * 289 * No one has actually reported that the 9G version 290 * (ST39140*) of the Medalist Pro has the same problem, but 291 * we're assuming that it does because the 4G and 6.5G 292 * versions of the drive are broken. 293 */ 294 { 295 { T_DIRECT, SIP_MEDIA_FIXED, seagate, "ST34520*", "*"}, 296 /*quirks*/0, /*mintags*/2, /*maxtags*/2 297 }, 298 { 299 { T_DIRECT, SIP_MEDIA_FIXED, seagate, "ST36530*", "*"}, 300 /*quirks*/0, /*mintags*/2, /*maxtags*/2 301 }, 302 { 303 { T_DIRECT, SIP_MEDIA_FIXED, seagate, "ST39140*", "*"}, 304 /*quirks*/0, /*mintags*/2, /*maxtags*/2 305 }, 306 { 307 /* 308 * Experiences command timeouts under load with a 309 * tag count higher than 55. 310 */ 311 { T_DIRECT, SIP_MEDIA_FIXED, seagate, "ST3146855LW", "*"}, 312 /*quirks*/0, /*mintags*/2, /*maxtags*/55 313 }, 314 { 315 /* 316 * Slow when tagged queueing is enabled. Write performance 317 * steadily drops off with more and more concurrent 318 * transactions. Best sequential write performance with 319 * tagged queueing turned off and write caching turned on. 320 * 321 * PR: kern/10398 322 * Submitted by: Hideaki Okada <hokada@isl.melco.co.jp> 323 * Drive: DCAS-34330 w/ "S65A" firmware. 324 * 325 * The drive with the problem had the "S65A" firmware 326 * revision, and has also been reported (by Stephen J. 327 * Roznowski <sjr@home.net>) for a drive with the "S61A" 328 * firmware revision. 329 * 330 * Although no one has reported problems with the 2 gig 331 * version of the DCAS drive, the assumption is that it 332 * has the same problems as the 4 gig version. Therefore 333 * this quirk entries disables tagged queueing for all 334 * DCAS drives. 335 */ 336 { T_DIRECT, SIP_MEDIA_FIXED, "IBM", "DCAS*", "*" }, 337 /*quirks*/0, /*mintags*/0, /*maxtags*/0 338 }, 339 { 340 /* Broken tagged queuing drive */ 341 { T_DIRECT, SIP_MEDIA_REMOVABLE, "iomega", "jaz*", "*" }, 342 /*quirks*/0, /*mintags*/0, /*maxtags*/0 343 }, 344 { 345 /* Broken tagged queuing drive */ 346 { T_DIRECT, SIP_MEDIA_FIXED, "CONNER", "CFP2107*", "*" }, 347 /*quirks*/0, /*mintags*/0, /*maxtags*/0 348 }, 349 { 350 /* This does not support other than LUN 0 */ 351 { T_DIRECT, SIP_MEDIA_FIXED, "VMware*", "*", "*" }, 352 CAM_QUIRK_NOLUNS, /*mintags*/2, /*maxtags*/255 353 }, 354 { 355 /* 356 * Broken tagged queuing drive. 357 * Submitted by: 358 * NAKAJI Hiroyuki <nakaji@zeisei.dpri.kyoto-u.ac.jp> 359 * in PR kern/9535 360 */ 361 { T_DIRECT, SIP_MEDIA_FIXED, samsung, "WN34324U*", "*" }, 362 /*quirks*/0, /*mintags*/0, /*maxtags*/0 363 }, 364 { 365 /* 366 * Slow when tagged queueing is enabled. (1.5MB/sec versus 367 * 8MB/sec.) 368 * Submitted by: Andrew Gallatin <gallatin@cs.duke.edu> 369 * Best performance with these drives is achieved with 370 * tagged queueing turned off, and write caching turned on. 371 */ 372 { T_DIRECT, SIP_MEDIA_FIXED, west_digital, "WDE*", "*" }, 373 /*quirks*/0, /*mintags*/0, /*maxtags*/0 374 }, 375 { 376 /* 377 * Slow when tagged queueing is enabled. (1.5MB/sec versus 378 * 8MB/sec.) 379 * Submitted by: Andrew Gallatin <gallatin@cs.duke.edu> 380 * Best performance with these drives is achieved with 381 * tagged queueing turned off, and write caching turned on. 382 */ 383 { T_DIRECT, SIP_MEDIA_FIXED, west_digital, "ENTERPRISE", "*" }, 384 /*quirks*/0, /*mintags*/0, /*maxtags*/0 385 }, 386 { 387 /* 388 * Doesn't handle queue full condition correctly, 389 * so we need to limit maxtags to what the device 390 * can handle instead of determining this automatically. 391 */ 392 { T_DIRECT, SIP_MEDIA_FIXED, samsung, "WN321010S*", "*" }, 393 /*quirks*/0, /*mintags*/2, /*maxtags*/32 394 }, 395 { 396 /* Really only one LUN */ 397 { T_ENCLOSURE, SIP_MEDIA_FIXED, "SUN", "SENA", "*" }, 398 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 399 }, 400 { 401 /* I can't believe we need a quirk for DPT volumes. */ 402 { T_ANY, SIP_MEDIA_FIXED|SIP_MEDIA_REMOVABLE, "DPT", "*", "*" }, 403 CAM_QUIRK_NOLUNS, 404 /*mintags*/0, /*maxtags*/255 405 }, 406 { 407 /* 408 * Many Sony CDROM drives don't like multi-LUN probing. 409 */ 410 { T_CDROM, SIP_MEDIA_REMOVABLE, sony, "CD-ROM CDU*", "*" }, 411 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 412 }, 413 { 414 /* 415 * This drive doesn't like multiple LUN probing. 416 * Submitted by: Parag Patel <parag@cgt.com> 417 */ 418 { T_WORM, SIP_MEDIA_REMOVABLE, sony, "CD-R CDU9*", "*" }, 419 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 420 }, 421 { 422 { T_WORM, SIP_MEDIA_REMOVABLE, "YAMAHA", "CDR100*", "*" }, 423 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 424 }, 425 { 426 /* 427 * The 8200 doesn't like multi-lun probing, and probably 428 * don't like serial number requests either. 429 */ 430 { 431 T_SEQUENTIAL, SIP_MEDIA_REMOVABLE, "EXABYTE", 432 "EXB-8200*", "*" 433 }, 434 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 435 }, 436 { 437 /* 438 * Let's try the same as above, but for a drive that says 439 * it's an IPL-6860 but is actually an EXB 8200. 440 */ 441 { 442 T_SEQUENTIAL, SIP_MEDIA_REMOVABLE, "EXABYTE", 443 "IPL-6860*", "*" 444 }, 445 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 446 }, 447 { 448 /* 449 * These Hitachi drives don't like multi-lun probing. 450 * The PR submitter has a DK319H, but says that the Linux 451 * kernel has a similar work-around for the DK312 and DK314, 452 * so all DK31* drives are quirked here. 453 * PR: misc/18793 454 * Submitted by: Paul Haddad <paul@pth.com> 455 */ 456 { T_DIRECT, SIP_MEDIA_FIXED, "HITACHI", "DK31*", "*" }, 457 CAM_QUIRK_NOLUNS, /*mintags*/2, /*maxtags*/255 458 }, 459 { 460 /* 461 * The Hitachi CJ series with J8A8 firmware apparently has 462 * problems with tagged commands. 463 * PR: 23536 464 * Reported by: amagai@nue.org 465 */ 466 { T_DIRECT, SIP_MEDIA_FIXED, "HITACHI", "DK32CJ*", "J8A8" }, 467 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 468 }, 469 { 470 /* 471 * These are the large storage arrays. 472 * Submitted by: William Carrel <william.carrel@infospace.com> 473 */ 474 { T_DIRECT, SIP_MEDIA_FIXED, "HITACHI", "OPEN*", "*" }, 475 CAM_QUIRK_HILUNS, 2, 1024 476 }, 477 { 478 /* 479 * This old revision of the TDC3600 is also SCSI-1, and 480 * hangs upon serial number probing. 481 */ 482 { 483 T_SEQUENTIAL, SIP_MEDIA_REMOVABLE, "TANDBERG", 484 " TDC 3600", "U07:" 485 }, 486 CAM_QUIRK_NOVPDS, /*mintags*/0, /*maxtags*/0 487 }, 488 { 489 /* 490 * Would repond to all LUNs if asked for. 491 */ 492 { 493 T_SEQUENTIAL, SIP_MEDIA_REMOVABLE, "CALIPER", 494 "CP150", "*" 495 }, 496 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 497 }, 498 { 499 /* 500 * Would repond to all LUNs if asked for. 501 */ 502 { 503 T_SEQUENTIAL, SIP_MEDIA_REMOVABLE, "KENNEDY", 504 "96X2*", "*" 505 }, 506 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 507 }, 508 { 509 /* Submitted by: Matthew Dodd <winter@jurai.net> */ 510 { T_PROCESSOR, SIP_MEDIA_FIXED, "Cabletrn", "EA41*", "*" }, 511 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 512 }, 513 { 514 /* Submitted by: Matthew Dodd <winter@jurai.net> */ 515 { T_PROCESSOR, SIP_MEDIA_FIXED, "CABLETRN", "EA41*", "*" }, 516 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 517 }, 518 { 519 /* TeraSolutions special settings for TRC-22 RAID */ 520 { T_DIRECT, SIP_MEDIA_FIXED, "TERASOLU", "TRC-22", "*" }, 521 /*quirks*/0, /*mintags*/55, /*maxtags*/255 522 }, 523 { 524 /* Veritas Storage Appliance */ 525 { T_DIRECT, SIP_MEDIA_FIXED, "VERITAS", "*", "*" }, 526 CAM_QUIRK_HILUNS, /*mintags*/2, /*maxtags*/1024 527 }, 528 { 529 /* 530 * Would respond to all LUNs. Device type and removable 531 * flag are jumper-selectable. 532 */ 533 { T_ANY, SIP_MEDIA_REMOVABLE|SIP_MEDIA_FIXED, "MaxOptix", 534 "Tahiti 1", "*" 535 }, 536 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 537 }, 538 { 539 /* EasyRAID E5A aka. areca ARC-6010 */ 540 { T_DIRECT, SIP_MEDIA_FIXED, "easyRAID", "*", "*" }, 541 CAM_QUIRK_NOHILUNS, /*mintags*/2, /*maxtags*/255 542 }, 543 { 544 { T_ENCLOSURE, SIP_MEDIA_FIXED, "DP", "BACKPLANE", "*" }, 545 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 546 }, 547 { 548 { T_DIRECT, SIP_MEDIA_REMOVABLE, "Garmin", "*", "*" }, 549 CAM_QUIRK_NORPTLUNS, /*mintags*/2, /*maxtags*/255 550 }, 551 { 552 { T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic", "STORAGE DEVICE*", "120?" }, 553 CAM_QUIRK_NORPTLUNS, /*mintags*/2, /*maxtags*/255 554 }, 555 { 556 { T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic", "MassStorageClass", "1533" }, 557 CAM_QUIRK_NORPTLUNS, /*mintags*/2, /*maxtags*/255 558 }, 559 { 560 /* Default tagged queuing parameters for all devices */ 561 { 562 T_ANY, SIP_MEDIA_REMOVABLE|SIP_MEDIA_FIXED, 563 /*vendor*/"*", /*product*/"*", /*revision*/"*" 564 }, 565 /*quirks*/0, /*mintags*/2, /*maxtags*/255 566 }, 567 }; 568 569 static cam_status proberegister(struct cam_periph *periph, 570 void *arg); 571 static void probeschedule(struct cam_periph *probe_periph); 572 static void probestart(struct cam_periph *periph, union ccb *start_ccb); 573 static void proberequestdefaultnegotiation(struct cam_periph *periph); 574 static int proberequestbackoff(struct cam_periph *periph, 575 struct cam_ed *device); 576 static void probedone(struct cam_periph *periph, union ccb *done_ccb); 577 static void probe_purge_old(struct cam_path *path, 578 struct scsi_report_luns_data *new, 579 probe_flags flags); 580 static void probecleanup(struct cam_periph *periph); 581 static void scsi_find_quirk(struct cam_ed *device); 582 static void scsi_scan_bus(struct cam_periph *periph, union ccb *ccb); 583 static void scsi_scan_lun(struct cam_periph *periph, 584 struct cam_path *path, cam_flags flags, 585 union ccb *ccb); 586 static void xptscandone(struct cam_periph *periph, union ccb *done_ccb); 587 static struct cam_ed * 588 scsi_alloc_device(struct cam_eb *bus, struct cam_et *target, 589 lun_id_t lun_id); 590 static void scsi_devise_transport(struct cam_path *path); 591 static void scsi_set_transfer_settings(struct ccb_trans_settings *cts, 592 struct cam_path *path, 593 int async_update); 594 static void scsi_toggle_tags(struct cam_path *path); 595 static void scsi_dev_async(u_int32_t async_code, 596 struct cam_eb *bus, 597 struct cam_et *target, 598 struct cam_ed *device, 599 void *async_arg); 600 static void scsi_action(union ccb *start_ccb); 601 static void scsi_announce_periph(struct cam_periph *periph); 602 static void scsi_announce_periph_sbuf(struct cam_periph *periph, struct sbuf *sb); 603 static void scsi_proto_announce(struct cam_ed *device); 604 static void scsi_proto_announce_sbuf(struct cam_ed *device, 605 struct sbuf *sb); 606 static void scsi_proto_denounce(struct cam_ed *device); 607 static void scsi_proto_denounce_sbuf(struct cam_ed *device, 608 struct sbuf *sb); 609 static void scsi_proto_debug_out(union ccb *ccb); 610 static void _scsi_announce_periph(struct cam_periph *, u_int *, u_int *, struct ccb_trans_settings *); 611 612 static struct xpt_xport_ops scsi_xport_ops = { 613 .alloc_device = scsi_alloc_device, 614 .action = scsi_action, 615 .async = scsi_dev_async, 616 .announce = scsi_announce_periph, 617 .announce_sbuf = scsi_announce_periph_sbuf, 618 }; 619 #define SCSI_XPT_XPORT(x, X) \ 620 static struct xpt_xport scsi_xport_ ## x = { \ 621 .xport = XPORT_ ## X, \ 622 .name = #x, \ 623 .ops = &scsi_xport_ops, \ 624 }; \ 625 CAM_XPT_XPORT(scsi_xport_ ## x); 626 627 SCSI_XPT_XPORT(spi, SPI); 628 SCSI_XPT_XPORT(sas, SAS); 629 SCSI_XPT_XPORT(fc, FC); 630 SCSI_XPT_XPORT(usb, USB); 631 SCSI_XPT_XPORT(iscsi, ISCSI); 632 SCSI_XPT_XPORT(srp, SRP); 633 SCSI_XPT_XPORT(ppb, PPB); 634 635 #undef SCSI_XPORT_XPORT 636 637 static struct xpt_proto_ops scsi_proto_ops = { 638 .announce = scsi_proto_announce, 639 .announce_sbuf = scsi_proto_announce_sbuf, 640 .denounce = scsi_proto_denounce, 641 .denounce_sbuf = scsi_proto_denounce_sbuf, 642 .debug_out = scsi_proto_debug_out, 643 }; 644 static struct xpt_proto scsi_proto = { 645 .proto = PROTO_SCSI, 646 .name = "scsi", 647 .ops = &scsi_proto_ops, 648 }; 649 CAM_XPT_PROTO(scsi_proto); 650 651 static void 652 probe_periph_init() 653 { 654 } 655 656 static cam_status 657 proberegister(struct cam_periph *periph, void *arg) 658 { 659 union ccb *request_ccb; /* CCB representing the probe request */ 660 cam_status status; 661 probe_softc *softc; 662 663 request_ccb = (union ccb *)arg; 664 if (request_ccb == NULL) { 665 printf("proberegister: no probe CCB, " 666 "can't register device\n"); 667 return(CAM_REQ_CMP_ERR); 668 } 669 670 softc = (probe_softc *)malloc(sizeof(*softc), M_CAMXPT, M_NOWAIT); 671 672 if (softc == NULL) { 673 printf("proberegister: Unable to probe new device. " 674 "Unable to allocate softc\n"); 675 return(CAM_REQ_CMP_ERR); 676 } 677 TAILQ_INIT(&softc->request_ccbs); 678 TAILQ_INSERT_TAIL(&softc->request_ccbs, &request_ccb->ccb_h, 679 periph_links.tqe); 680 softc->flags = 0; 681 periph->softc = softc; 682 softc->periph = periph; 683 softc->action = PROBE_INVALID; 684 status = cam_periph_acquire(periph); 685 if (status != CAM_REQ_CMP) { 686 return (status); 687 } 688 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, ("Probe started\n")); 689 scsi_devise_transport(periph->path); 690 691 /* 692 * Ensure we've waited at least a bus settle 693 * delay before attempting to probe the device. 694 * For HBAs that don't do bus resets, this won't make a difference. 695 */ 696 cam_periph_freeze_after_event(periph, &periph->path->bus->last_reset, 697 scsi_delay); 698 probeschedule(periph); 699 return(CAM_REQ_CMP); 700 } 701 702 static void 703 probeschedule(struct cam_periph *periph) 704 { 705 struct ccb_pathinq cpi; 706 union ccb *ccb; 707 probe_softc *softc; 708 709 softc = (probe_softc *)periph->softc; 710 ccb = (union ccb *)TAILQ_FIRST(&softc->request_ccbs); 711 712 xpt_setup_ccb(&cpi.ccb_h, periph->path, CAM_PRIORITY_NONE); 713 cpi.ccb_h.func_code = XPT_PATH_INQ; 714 xpt_action((union ccb *)&cpi); 715 716 /* 717 * If a device has gone away and another device, or the same one, 718 * is back in the same place, it should have a unit attention 719 * condition pending. It will not report the unit attention in 720 * response to an inquiry, which may leave invalid transfer 721 * negotiations in effect. The TUR will reveal the unit attention 722 * condition. Only send the TUR for lun 0, since some devices 723 * will get confused by commands other than inquiry to non-existent 724 * luns. If you think a device has gone away start your scan from 725 * lun 0. This will insure that any bogus transfer settings are 726 * invalidated. 727 * 728 * If we haven't seen the device before and the controller supports 729 * some kind of transfer negotiation, negotiate with the first 730 * sent command if no bus reset was performed at startup. This 731 * ensures that the device is not confused by transfer negotiation 732 * settings left over by loader or BIOS action. 733 */ 734 if (((ccb->ccb_h.path->device->flags & CAM_DEV_UNCONFIGURED) == 0) 735 && (ccb->ccb_h.target_lun == 0)) { 736 PROBE_SET_ACTION(softc, PROBE_TUR); 737 } else if ((cpi.hba_inquiry & (PI_WIDE_32|PI_WIDE_16|PI_SDTR_ABLE)) != 0 738 && (cpi.hba_misc & PIM_NOBUSRESET) != 0) { 739 proberequestdefaultnegotiation(periph); 740 PROBE_SET_ACTION(softc, PROBE_INQUIRY); 741 } else { 742 PROBE_SET_ACTION(softc, PROBE_INQUIRY); 743 } 744 745 if (ccb->crcn.flags & CAM_EXPECT_INQ_CHANGE) 746 softc->flags |= PROBE_NO_ANNOUNCE; 747 else 748 softc->flags &= ~PROBE_NO_ANNOUNCE; 749 750 if (cpi.hba_misc & PIM_EXTLUNS) 751 softc->flags |= PROBE_EXTLUN; 752 else 753 softc->flags &= ~PROBE_EXTLUN; 754 755 xpt_schedule(periph, CAM_PRIORITY_XPT); 756 } 757 758 static void 759 probestart(struct cam_periph *periph, union ccb *start_ccb) 760 { 761 /* Probe the device that our peripheral driver points to */ 762 struct ccb_scsiio *csio; 763 probe_softc *softc; 764 765 CAM_DEBUG(start_ccb->ccb_h.path, CAM_DEBUG_TRACE, ("probestart\n")); 766 767 softc = (probe_softc *)periph->softc; 768 csio = &start_ccb->csio; 769 again: 770 771 switch (softc->action) { 772 case PROBE_TUR: 773 case PROBE_TUR_FOR_NEGOTIATION: 774 case PROBE_DV_EXIT: 775 { 776 scsi_test_unit_ready(csio, 777 /*retries*/4, 778 probedone, 779 MSG_SIMPLE_Q_TAG, 780 SSD_FULL_SIZE, 781 /*timeout*/60000); 782 break; 783 } 784 case PROBE_INQUIRY: 785 case PROBE_FULL_INQUIRY: 786 case PROBE_INQUIRY_BASIC_DV1: 787 case PROBE_INQUIRY_BASIC_DV2: 788 { 789 u_int inquiry_len; 790 struct scsi_inquiry_data *inq_buf; 791 792 inq_buf = &periph->path->device->inq_data; 793 794 /* 795 * If the device is currently configured, we calculate an 796 * MD5 checksum of the inquiry data, and if the serial number 797 * length is greater than 0, add the serial number data 798 * into the checksum as well. Once the inquiry and the 799 * serial number check finish, we attempt to figure out 800 * whether we still have the same device. 801 */ 802 if (((periph->path->device->flags & CAM_DEV_UNCONFIGURED) == 0) 803 && ((softc->flags & PROBE_INQUIRY_CKSUM) == 0)) { 804 805 MD5Init(&softc->context); 806 MD5Update(&softc->context, (unsigned char *)inq_buf, 807 sizeof(struct scsi_inquiry_data)); 808 softc->flags |= PROBE_INQUIRY_CKSUM; 809 if (periph->path->device->serial_num_len > 0) { 810 MD5Update(&softc->context, 811 periph->path->device->serial_num, 812 periph->path->device->serial_num_len); 813 softc->flags |= PROBE_SERIAL_CKSUM; 814 } 815 MD5Final(softc->digest, &softc->context); 816 } 817 818 if (softc->action == PROBE_INQUIRY) 819 inquiry_len = SHORT_INQUIRY_LENGTH; 820 else 821 inquiry_len = SID_ADDITIONAL_LENGTH(inq_buf); 822 823 /* 824 * Some parallel SCSI devices fail to send an 825 * ignore wide residue message when dealing with 826 * odd length inquiry requests. Round up to be 827 * safe. 828 */ 829 inquiry_len = roundup2(inquiry_len, 2); 830 831 if (softc->action == PROBE_INQUIRY_BASIC_DV1 832 || softc->action == PROBE_INQUIRY_BASIC_DV2) { 833 inq_buf = malloc(inquiry_len, M_CAMXPT, M_NOWAIT); 834 } 835 if (inq_buf == NULL) { 836 xpt_print(periph->path, "malloc failure- skipping Basic" 837 "Domain Validation\n"); 838 PROBE_SET_ACTION(softc, PROBE_DV_EXIT); 839 scsi_test_unit_ready(csio, 840 /*retries*/4, 841 probedone, 842 MSG_SIMPLE_Q_TAG, 843 SSD_FULL_SIZE, 844 /*timeout*/60000); 845 break; 846 } 847 scsi_inquiry(csio, 848 /*retries*/4, 849 probedone, 850 MSG_SIMPLE_Q_TAG, 851 (u_int8_t *)inq_buf, 852 inquiry_len, 853 /*evpd*/FALSE, 854 /*page_code*/0, 855 SSD_MIN_SIZE, 856 /*timeout*/60 * 1000); 857 break; 858 } 859 case PROBE_REPORT_LUNS: 860 { 861 void *rp; 862 863 rp = malloc(periph->path->target->rpl_size, 864 M_CAMXPT, M_NOWAIT | M_ZERO); 865 if (rp == NULL) { 866 struct scsi_inquiry_data *inq_buf; 867 inq_buf = &periph->path->device->inq_data; 868 xpt_print(periph->path, 869 "Unable to alloc report luns storage\n"); 870 if (INQ_DATA_TQ_ENABLED(inq_buf)) 871 PROBE_SET_ACTION(softc, PROBE_MODE_SENSE); 872 else 873 PROBE_SET_ACTION(softc, 874 PROBE_SUPPORTED_VPD_LIST); 875 goto again; 876 } 877 scsi_report_luns(csio, 5, probedone, MSG_SIMPLE_Q_TAG, 878 RPL_REPORT_DEFAULT, rp, periph->path->target->rpl_size, 879 SSD_FULL_SIZE, 60000); break; 880 break; 881 } 882 case PROBE_MODE_SENSE: 883 { 884 void *mode_buf; 885 int mode_buf_len; 886 887 mode_buf_len = sizeof(struct scsi_mode_header_6) 888 + sizeof(struct scsi_mode_blk_desc) 889 + sizeof(struct scsi_control_page); 890 mode_buf = malloc(mode_buf_len, M_CAMXPT, M_NOWAIT); 891 if (mode_buf != NULL) { 892 scsi_mode_sense(csio, 893 /*retries*/4, 894 probedone, 895 MSG_SIMPLE_Q_TAG, 896 /*dbd*/FALSE, 897 SMS_PAGE_CTRL_CURRENT, 898 SMS_CONTROL_MODE_PAGE, 899 mode_buf, 900 mode_buf_len, 901 SSD_FULL_SIZE, 902 /*timeout*/60000); 903 break; 904 } 905 xpt_print(periph->path, "Unable to mode sense control page - " 906 "malloc failure\n"); 907 PROBE_SET_ACTION(softc, PROBE_SUPPORTED_VPD_LIST); 908 } 909 /* FALLTHROUGH */ 910 case PROBE_SUPPORTED_VPD_LIST: 911 { 912 struct scsi_vpd_supported_page_list *vpd_list; 913 struct cam_ed *device; 914 915 vpd_list = NULL; 916 device = periph->path->device; 917 918 if ((SCSI_QUIRK(device)->quirks & CAM_QUIRK_NOVPDS) == 0) 919 vpd_list = malloc(sizeof(*vpd_list), M_CAMXPT, 920 M_NOWAIT | M_ZERO); 921 922 if (vpd_list != NULL) { 923 scsi_inquiry(csio, 924 /*retries*/4, 925 probedone, 926 MSG_SIMPLE_Q_TAG, 927 (u_int8_t *)vpd_list, 928 sizeof(*vpd_list), 929 /*evpd*/TRUE, 930 SVPD_SUPPORTED_PAGE_LIST, 931 SSD_MIN_SIZE, 932 /*timeout*/60 * 1000); 933 break; 934 } 935 done: 936 /* 937 * We'll have to do without, let our probedone 938 * routine finish up for us. 939 */ 940 start_ccb->csio.data_ptr = NULL; 941 cam_freeze_devq(periph->path); 942 cam_periph_doacquire(periph); 943 probedone(periph, start_ccb); 944 return; 945 } 946 case PROBE_DEVICE_ID: 947 { 948 struct scsi_vpd_device_id *devid; 949 950 devid = NULL; 951 if (scsi_vpd_supported_page(periph, SVPD_DEVICE_ID)) 952 devid = malloc(SVPD_DEVICE_ID_MAX_SIZE, M_CAMXPT, 953 M_NOWAIT | M_ZERO); 954 955 if (devid != NULL) { 956 scsi_inquiry(csio, 957 /*retries*/4, 958 probedone, 959 MSG_SIMPLE_Q_TAG, 960 (uint8_t *)devid, 961 SVPD_DEVICE_ID_MAX_SIZE, 962 /*evpd*/TRUE, 963 SVPD_DEVICE_ID, 964 SSD_MIN_SIZE, 965 /*timeout*/60 * 1000); 966 break; 967 } 968 goto done; 969 } 970 case PROBE_EXTENDED_INQUIRY: 971 { 972 struct scsi_vpd_extended_inquiry_data *ext_inq; 973 974 ext_inq = NULL; 975 if (scsi_vpd_supported_page(periph, SVPD_EXTENDED_INQUIRY_DATA)) 976 ext_inq = malloc(sizeof(*ext_inq), M_CAMXPT, 977 M_NOWAIT | M_ZERO); 978 979 if (ext_inq != NULL) { 980 scsi_inquiry(csio, 981 /*retries*/4, 982 probedone, 983 MSG_SIMPLE_Q_TAG, 984 (uint8_t *)ext_inq, 985 sizeof(*ext_inq), 986 /*evpd*/TRUE, 987 SVPD_EXTENDED_INQUIRY_DATA, 988 SSD_MIN_SIZE, 989 /*timeout*/60 * 1000); 990 break; 991 } 992 /* 993 * We'll have to do without, let our probedone 994 * routine finish up for us. 995 */ 996 goto done; 997 } 998 case PROBE_SERIAL_NUM: 999 { 1000 struct scsi_vpd_unit_serial_number *serial_buf; 1001 struct cam_ed* device; 1002 1003 serial_buf = NULL; 1004 device = periph->path->device; 1005 if (device->serial_num != NULL) { 1006 free(device->serial_num, M_CAMXPT); 1007 device->serial_num = NULL; 1008 device->serial_num_len = 0; 1009 } 1010 1011 if (scsi_vpd_supported_page(periph, SVPD_UNIT_SERIAL_NUMBER)) 1012 serial_buf = (struct scsi_vpd_unit_serial_number *) 1013 malloc(sizeof(*serial_buf), M_CAMXPT, 1014 M_NOWAIT|M_ZERO); 1015 1016 if (serial_buf != NULL) { 1017 scsi_inquiry(csio, 1018 /*retries*/4, 1019 probedone, 1020 MSG_SIMPLE_Q_TAG, 1021 (u_int8_t *)serial_buf, 1022 sizeof(*serial_buf), 1023 /*evpd*/TRUE, 1024 SVPD_UNIT_SERIAL_NUMBER, 1025 SSD_MIN_SIZE, 1026 /*timeout*/60 * 1000); 1027 break; 1028 } 1029 goto done; 1030 } 1031 default: 1032 panic("probestart: invalid action state 0x%x\n", softc->action); 1033 } 1034 start_ccb->ccb_h.flags |= CAM_DEV_QFREEZE; 1035 cam_periph_doacquire(periph); 1036 xpt_action(start_ccb); 1037 } 1038 1039 static void 1040 proberequestdefaultnegotiation(struct cam_periph *periph) 1041 { 1042 struct ccb_trans_settings cts; 1043 1044 xpt_setup_ccb(&cts.ccb_h, periph->path, CAM_PRIORITY_NONE); 1045 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 1046 cts.type = CTS_TYPE_USER_SETTINGS; 1047 xpt_action((union ccb *)&cts); 1048 if (cam_ccb_status((union ccb *)&cts) != CAM_REQ_CMP) { 1049 return; 1050 } 1051 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 1052 cts.type = CTS_TYPE_CURRENT_SETTINGS; 1053 xpt_action((union ccb *)&cts); 1054 } 1055 1056 /* 1057 * Backoff Negotiation Code- only pertinent for SPI devices. 1058 */ 1059 static int 1060 proberequestbackoff(struct cam_periph *periph, struct cam_ed *device) 1061 { 1062 struct ccb_trans_settings cts; 1063 struct ccb_trans_settings_spi *spi; 1064 1065 memset(&cts, 0, sizeof (cts)); 1066 xpt_setup_ccb(&cts.ccb_h, periph->path, CAM_PRIORITY_NONE); 1067 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 1068 cts.type = CTS_TYPE_CURRENT_SETTINGS; 1069 xpt_action((union ccb *)&cts); 1070 if (cam_ccb_status((union ccb *)&cts) != CAM_REQ_CMP) { 1071 if (bootverbose) { 1072 xpt_print(periph->path, 1073 "failed to get current device settings\n"); 1074 } 1075 return (0); 1076 } 1077 if (cts.transport != XPORT_SPI) { 1078 if (bootverbose) { 1079 xpt_print(periph->path, "not SPI transport\n"); 1080 } 1081 return (0); 1082 } 1083 spi = &cts.xport_specific.spi; 1084 1085 /* 1086 * We cannot renegotiate sync rate if we don't have one. 1087 */ 1088 if ((spi->valid & CTS_SPI_VALID_SYNC_RATE) == 0) { 1089 if (bootverbose) { 1090 xpt_print(periph->path, "no sync rate known\n"); 1091 } 1092 return (0); 1093 } 1094 1095 /* 1096 * We'll assert that we don't have to touch PPR options- the 1097 * SIM will see what we do with period and offset and adjust 1098 * the PPR options as appropriate. 1099 */ 1100 1101 /* 1102 * A sync rate with unknown or zero offset is nonsensical. 1103 * A sync period of zero means Async. 1104 */ 1105 if ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) == 0 1106 || spi->sync_offset == 0 || spi->sync_period == 0) { 1107 if (bootverbose) { 1108 xpt_print(periph->path, "no sync rate available\n"); 1109 } 1110 return (0); 1111 } 1112 1113 if (device->flags & CAM_DEV_DV_HIT_BOTTOM) { 1114 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, 1115 ("hit async: giving up on DV\n")); 1116 return (0); 1117 } 1118 1119 1120 /* 1121 * Jump sync_period up by one, but stop at 5MHz and fall back to Async. 1122 * We don't try to remember 'last' settings to see if the SIM actually 1123 * gets into the speed we want to set. We check on the SIM telling 1124 * us that a requested speed is bad, but otherwise don't try and 1125 * check the speed due to the asynchronous and handshake nature 1126 * of speed setting. 1127 */ 1128 spi->valid = CTS_SPI_VALID_SYNC_RATE | CTS_SPI_VALID_SYNC_OFFSET; 1129 for (;;) { 1130 spi->sync_period++; 1131 if (spi->sync_period >= 0xf) { 1132 spi->sync_period = 0; 1133 spi->sync_offset = 0; 1134 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, 1135 ("setting to async for DV\n")); 1136 /* 1137 * Once we hit async, we don't want to try 1138 * any more settings. 1139 */ 1140 device->flags |= CAM_DEV_DV_HIT_BOTTOM; 1141 } else if (bootverbose) { 1142 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, 1143 ("DV: period 0x%x\n", spi->sync_period)); 1144 printf("setting period to 0x%x\n", spi->sync_period); 1145 } 1146 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 1147 cts.type = CTS_TYPE_CURRENT_SETTINGS; 1148 xpt_action((union ccb *)&cts); 1149 if (cam_ccb_status((union ccb *)&cts) != CAM_REQ_CMP) { 1150 break; 1151 } 1152 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, 1153 ("DV: failed to set period 0x%x\n", spi->sync_period)); 1154 if (spi->sync_period == 0) { 1155 return (0); 1156 } 1157 } 1158 return (1); 1159 } 1160 1161 #define CCB_COMPLETED_OK(ccb) (((ccb).status & CAM_STATUS_MASK) == CAM_REQ_CMP) 1162 1163 static void 1164 probedone(struct cam_periph *periph, union ccb *done_ccb) 1165 { 1166 probe_softc *softc; 1167 struct cam_path *path; 1168 struct scsi_inquiry_data *inq_buf; 1169 u_int32_t priority; 1170 1171 CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_TRACE, ("probedone\n")); 1172 1173 softc = (probe_softc *)periph->softc; 1174 path = done_ccb->ccb_h.path; 1175 priority = done_ccb->ccb_h.pinfo.priority; 1176 cam_periph_assert(periph, MA_OWNED); 1177 1178 switch (softc->action) { 1179 case PROBE_TUR: 1180 { 1181 if (cam_ccb_status(done_ccb) != CAM_REQ_CMP) { 1182 1183 if (cam_periph_error(done_ccb, 0, 1184 SF_NO_PRINT, NULL) == ERESTART) { 1185 outr: 1186 /* Drop freeze taken due to CAM_DEV_QFREEZE */ 1187 cam_release_devq(path, 0, 0, 0, FALSE); 1188 return; 1189 } 1190 else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 1191 /* Don't wedge the queue */ 1192 xpt_release_devq(done_ccb->ccb_h.path, 1193 /*count*/1, 1194 /*run_queue*/TRUE); 1195 } 1196 PROBE_SET_ACTION(softc, PROBE_INQUIRY); 1197 xpt_release_ccb(done_ccb); 1198 xpt_schedule(periph, priority); 1199 out: 1200 /* Drop freeze taken due to CAM_DEV_QFREEZE and release. */ 1201 cam_release_devq(path, 0, 0, 0, FALSE); 1202 cam_periph_release_locked(periph); 1203 return; 1204 } 1205 case PROBE_INQUIRY: 1206 case PROBE_FULL_INQUIRY: 1207 { 1208 if (cam_ccb_status(done_ccb) == CAM_REQ_CMP) { 1209 u_int8_t periph_qual; 1210 1211 path->device->flags |= CAM_DEV_INQUIRY_DATA_VALID; 1212 scsi_find_quirk(path->device); 1213 inq_buf = &path->device->inq_data; 1214 1215 periph_qual = SID_QUAL(inq_buf); 1216 1217 if (periph_qual == SID_QUAL_LU_CONNECTED || 1218 periph_qual == SID_QUAL_LU_OFFLINE) { 1219 u_int8_t len; 1220 1221 /* 1222 * We conservatively request only 1223 * SHORT_INQUIRY_LEN bytes of inquiry 1224 * information during our first try 1225 * at sending an INQUIRY. If the device 1226 * has more information to give, 1227 * perform a second request specifying 1228 * the amount of information the device 1229 * is willing to give. 1230 */ 1231 len = inq_buf->additional_length 1232 + offsetof(struct scsi_inquiry_data, 1233 additional_length) + 1; 1234 if (softc->action == PROBE_INQUIRY 1235 && len > SHORT_INQUIRY_LENGTH) { 1236 PROBE_SET_ACTION(softc, PROBE_FULL_INQUIRY); 1237 xpt_release_ccb(done_ccb); 1238 xpt_schedule(periph, priority); 1239 goto out; 1240 } 1241 1242 scsi_devise_transport(path); 1243 1244 if (path->device->lun_id == 0 && 1245 SID_ANSI_REV(inq_buf) > SCSI_REV_SPC2 && 1246 (SCSI_QUIRK(path->device)->quirks & 1247 CAM_QUIRK_NORPTLUNS) == 0) { 1248 PROBE_SET_ACTION(softc, 1249 PROBE_REPORT_LUNS); 1250 /* 1251 * Start with room for *one* lun. 1252 */ 1253 periph->path->target->rpl_size = 16; 1254 } else if (INQ_DATA_TQ_ENABLED(inq_buf)) 1255 PROBE_SET_ACTION(softc, 1256 PROBE_MODE_SENSE); 1257 else 1258 PROBE_SET_ACTION(softc, 1259 PROBE_SUPPORTED_VPD_LIST); 1260 1261 if (path->device->flags & CAM_DEV_UNCONFIGURED) { 1262 path->device->flags &= ~CAM_DEV_UNCONFIGURED; 1263 xpt_acquire_device(path->device); 1264 } 1265 xpt_release_ccb(done_ccb); 1266 xpt_schedule(periph, priority); 1267 goto out; 1268 } else if (path->device->lun_id == 0 && 1269 SID_ANSI_REV(inq_buf) >= SCSI_REV_SPC2 && 1270 (SCSI_QUIRK(path->device)->quirks & 1271 CAM_QUIRK_NORPTLUNS) == 0) { 1272 PROBE_SET_ACTION(softc, PROBE_REPORT_LUNS); 1273 periph->path->target->rpl_size = 16; 1274 xpt_release_ccb(done_ccb); 1275 xpt_schedule(periph, priority); 1276 goto out; 1277 } 1278 } else if (cam_periph_error(done_ccb, 0, 1279 done_ccb->ccb_h.target_lun > 0 1280 ? SF_RETRY_UA|SF_QUIET_IR 1281 : SF_RETRY_UA, 1282 &softc->saved_ccb) == ERESTART) { 1283 goto outr; 1284 } else { 1285 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1286 /* Don't wedge the queue */ 1287 xpt_release_devq(done_ccb->ccb_h.path, 1288 /*count*/1, /*run_queue*/TRUE); 1289 } 1290 path->device->flags &= ~CAM_DEV_INQUIRY_DATA_VALID; 1291 } 1292 /* 1293 * If we get to this point, we got an error status back 1294 * from the inquiry and the error status doesn't require 1295 * automatically retrying the command. Therefore, the 1296 * inquiry failed. If we had inquiry information before 1297 * for this device, but this latest inquiry command failed, 1298 * the device has probably gone away. If this device isn't 1299 * already marked unconfigured, notify the peripheral 1300 * drivers that this device is no more. 1301 */ 1302 if ((path->device->flags & CAM_DEV_UNCONFIGURED) == 0) 1303 /* Send the async notification. */ 1304 xpt_async(AC_LOST_DEVICE, path, NULL); 1305 PROBE_SET_ACTION(softc, PROBE_INVALID); 1306 1307 xpt_release_ccb(done_ccb); 1308 break; 1309 } 1310 case PROBE_REPORT_LUNS: 1311 { 1312 struct ccb_scsiio *csio; 1313 struct scsi_report_luns_data *lp; 1314 u_int nlun, maxlun; 1315 1316 csio = &done_ccb->csio; 1317 1318 lp = (struct scsi_report_luns_data *)csio->data_ptr; 1319 nlun = scsi_4btoul(lp->length) / 8; 1320 maxlun = (csio->dxfer_len / 8) - 1; 1321 1322 if (cam_ccb_status(done_ccb) != CAM_REQ_CMP) { 1323 if (cam_periph_error(done_ccb, 0, 1324 done_ccb->ccb_h.target_lun > 0 ? 1325 SF_RETRY_UA|SF_QUIET_IR : SF_RETRY_UA, 1326 &softc->saved_ccb) == ERESTART) { 1327 goto outr; 1328 } 1329 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1330 xpt_release_devq(done_ccb->ccb_h.path, 1, 1331 TRUE); 1332 } 1333 free(lp, M_CAMXPT); 1334 lp = NULL; 1335 } else if (nlun > maxlun) { 1336 /* 1337 * Reallocate and retry to cover all luns 1338 */ 1339 CAM_DEBUG(path, CAM_DEBUG_PROBE, 1340 ("Probe: reallocating REPORT_LUNS for %u luns\n", 1341 nlun)); 1342 free(lp, M_CAMXPT); 1343 path->target->rpl_size = (nlun << 3) + 8; 1344 xpt_release_ccb(done_ccb); 1345 xpt_schedule(periph, priority); 1346 goto out; 1347 } else if (nlun == 0) { 1348 /* 1349 * If there don't appear to be any luns, bail. 1350 */ 1351 free(lp, M_CAMXPT); 1352 lp = NULL; 1353 } else { 1354 lun_id_t lun; 1355 int idx; 1356 1357 CAM_DEBUG(path, CAM_DEBUG_PROBE, 1358 ("Probe: %u lun(s) reported\n", nlun)); 1359 1360 CAM_GET_LUN(lp, 0, lun); 1361 /* 1362 * If the first lun is not lun 0, then either there 1363 * is no lun 0 in the list, or the list is unsorted. 1364 */ 1365 if (lun != 0) { 1366 for (idx = 0; idx < nlun; idx++) { 1367 CAM_GET_LUN(lp, idx, lun); 1368 if (lun == 0) { 1369 break; 1370 } 1371 } 1372 if (idx != nlun) { 1373 uint8_t tlun[8]; 1374 memcpy(tlun, 1375 lp->luns[0].lundata, 8); 1376 memcpy(lp->luns[0].lundata, 1377 lp->luns[idx].lundata, 8); 1378 memcpy(lp->luns[idx].lundata, 1379 tlun, 8); 1380 CAM_DEBUG(path, CAM_DEBUG_PROBE, 1381 ("lun 0 in position %u\n", idx)); 1382 } 1383 } 1384 /* 1385 * If we have an old lun list, We can either 1386 * retest luns that appear to have been dropped, 1387 * or just nuke them. We'll opt for the latter. 1388 * This function will also install the new list 1389 * in the target structure. 1390 */ 1391 probe_purge_old(path, lp, softc->flags); 1392 lp = NULL; 1393 } 1394 inq_buf = &path->device->inq_data; 1395 if (path->device->flags & CAM_DEV_INQUIRY_DATA_VALID && 1396 (SID_QUAL(inq_buf) == SID_QUAL_LU_CONNECTED || 1397 SID_QUAL(inq_buf) == SID_QUAL_LU_OFFLINE)) { 1398 if (INQ_DATA_TQ_ENABLED(inq_buf)) 1399 PROBE_SET_ACTION(softc, PROBE_MODE_SENSE); 1400 else 1401 PROBE_SET_ACTION(softc, 1402 PROBE_SUPPORTED_VPD_LIST); 1403 xpt_release_ccb(done_ccb); 1404 xpt_schedule(periph, priority); 1405 goto out; 1406 } 1407 if (lp) { 1408 free(lp, M_CAMXPT); 1409 } 1410 PROBE_SET_ACTION(softc, PROBE_INVALID); 1411 xpt_release_ccb(done_ccb); 1412 break; 1413 } 1414 case PROBE_MODE_SENSE: 1415 { 1416 struct ccb_scsiio *csio; 1417 struct scsi_mode_header_6 *mode_hdr; 1418 1419 csio = &done_ccb->csio; 1420 mode_hdr = (struct scsi_mode_header_6 *)csio->data_ptr; 1421 if (cam_ccb_status(done_ccb) == CAM_REQ_CMP) { 1422 struct scsi_control_page *page; 1423 u_int8_t *offset; 1424 1425 offset = ((u_int8_t *)&mode_hdr[1]) 1426 + mode_hdr->blk_desc_len; 1427 page = (struct scsi_control_page *)offset; 1428 path->device->queue_flags = page->queue_flags; 1429 } else if (cam_periph_error(done_ccb, 0, 1430 SF_RETRY_UA|SF_NO_PRINT, 1431 &softc->saved_ccb) == ERESTART) { 1432 goto outr; 1433 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1434 /* Don't wedge the queue */ 1435 xpt_release_devq(done_ccb->ccb_h.path, 1436 /*count*/1, /*run_queue*/TRUE); 1437 } 1438 xpt_release_ccb(done_ccb); 1439 free(mode_hdr, M_CAMXPT); 1440 PROBE_SET_ACTION(softc, PROBE_SUPPORTED_VPD_LIST); 1441 xpt_schedule(periph, priority); 1442 goto out; 1443 } 1444 case PROBE_SUPPORTED_VPD_LIST: 1445 { 1446 struct ccb_scsiio *csio; 1447 struct scsi_vpd_supported_page_list *page_list; 1448 1449 csio = &done_ccb->csio; 1450 page_list = 1451 (struct scsi_vpd_supported_page_list *)csio->data_ptr; 1452 1453 if (path->device->supported_vpds != NULL) { 1454 free(path->device->supported_vpds, M_CAMXPT); 1455 path->device->supported_vpds = NULL; 1456 path->device->supported_vpds_len = 0; 1457 } 1458 1459 if (page_list == NULL) { 1460 /* 1461 * Don't process the command as it was never sent 1462 */ 1463 } else if (CCB_COMPLETED_OK(csio->ccb_h)) { 1464 /* Got vpd list */ 1465 path->device->supported_vpds_len = page_list->length + 1466 SVPD_SUPPORTED_PAGES_HDR_LEN; 1467 path->device->supported_vpds = (uint8_t *)page_list; 1468 xpt_release_ccb(done_ccb); 1469 PROBE_SET_ACTION(softc, PROBE_DEVICE_ID); 1470 xpt_schedule(periph, priority); 1471 goto out; 1472 } else if (cam_periph_error(done_ccb, 0, 1473 SF_RETRY_UA|SF_NO_PRINT, 1474 &softc->saved_ccb) == ERESTART) { 1475 goto outr; 1476 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1477 /* Don't wedge the queue */ 1478 xpt_release_devq(done_ccb->ccb_h.path, /*count*/1, 1479 /*run_queue*/TRUE); 1480 } 1481 1482 if (page_list) 1483 free(page_list, M_CAMXPT); 1484 /* No VPDs available, skip to device check. */ 1485 csio->data_ptr = NULL; 1486 goto probe_device_check; 1487 } 1488 case PROBE_DEVICE_ID: 1489 { 1490 struct scsi_vpd_device_id *devid; 1491 struct ccb_scsiio *csio; 1492 uint32_t length = 0; 1493 1494 csio = &done_ccb->csio; 1495 devid = (struct scsi_vpd_device_id *)csio->data_ptr; 1496 1497 /* Clean up from previous instance of this device */ 1498 if (path->device->device_id != NULL) { 1499 path->device->device_id_len = 0; 1500 free(path->device->device_id, M_CAMXPT); 1501 path->device->device_id = NULL; 1502 } 1503 1504 if (devid == NULL) { 1505 /* Don't process the command as it was never sent */ 1506 } else if (CCB_COMPLETED_OK(csio->ccb_h)) { 1507 length = scsi_2btoul(devid->length); 1508 if (length != 0) { 1509 /* 1510 * NB: device_id_len is actual response 1511 * size, not buffer size. 1512 */ 1513 path->device->device_id_len = length + 1514 SVPD_DEVICE_ID_HDR_LEN; 1515 path->device->device_id = (uint8_t *)devid; 1516 } 1517 } else if (cam_periph_error(done_ccb, 0, 1518 SF_RETRY_UA, 1519 &softc->saved_ccb) == ERESTART) { 1520 goto outr; 1521 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1522 /* Don't wedge the queue */ 1523 xpt_release_devq(done_ccb->ccb_h.path, /*count*/1, 1524 /*run_queue*/TRUE); 1525 } 1526 1527 /* Free the device id space if we don't use it */ 1528 if (devid && length == 0) 1529 free(devid, M_CAMXPT); 1530 xpt_release_ccb(done_ccb); 1531 PROBE_SET_ACTION(softc, PROBE_EXTENDED_INQUIRY); 1532 xpt_schedule(periph, priority); 1533 goto out; 1534 } 1535 case PROBE_EXTENDED_INQUIRY: { 1536 struct scsi_vpd_extended_inquiry_data *ext_inq; 1537 struct ccb_scsiio *csio; 1538 int32_t length = 0; 1539 1540 csio = &done_ccb->csio; 1541 ext_inq = (struct scsi_vpd_extended_inquiry_data *) 1542 csio->data_ptr; 1543 if (path->device->ext_inq != NULL) { 1544 path->device->ext_inq_len = 0; 1545 free(path->device->ext_inq, M_CAMXPT); 1546 path->device->ext_inq = NULL; 1547 } 1548 1549 if (ext_inq == NULL) { 1550 /* Don't process the command as it was never sent */ 1551 } else if (CCB_COMPLETED_OK(csio->ccb_h)) { 1552 length = scsi_2btoul(ext_inq->page_length) + 1553 __offsetof(struct scsi_vpd_extended_inquiry_data, 1554 flags1); 1555 length = min(length, sizeof(*ext_inq)); 1556 length -= csio->resid; 1557 if (length > 0) { 1558 path->device->ext_inq_len = length; 1559 path->device->ext_inq = (uint8_t *)ext_inq; 1560 } 1561 } else if (cam_periph_error(done_ccb, 0, 1562 SF_RETRY_UA, 1563 &softc->saved_ccb) == ERESTART) { 1564 goto outr; 1565 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1566 /* Don't wedge the queue */ 1567 xpt_release_devq(done_ccb->ccb_h.path, /*count*/1, 1568 /*run_queue*/TRUE); 1569 } 1570 1571 /* Free the device id space if we don't use it */ 1572 if (ext_inq && length <= 0) 1573 free(ext_inq, M_CAMXPT); 1574 xpt_release_ccb(done_ccb); 1575 PROBE_SET_ACTION(softc, PROBE_SERIAL_NUM); 1576 xpt_schedule(periph, priority); 1577 goto out; 1578 } 1579 1580 probe_device_check: 1581 case PROBE_SERIAL_NUM: 1582 { 1583 struct ccb_scsiio *csio; 1584 struct scsi_vpd_unit_serial_number *serial_buf; 1585 u_int32_t priority; 1586 int changed; 1587 int have_serialnum; 1588 1589 changed = 1; 1590 have_serialnum = 0; 1591 csio = &done_ccb->csio; 1592 priority = done_ccb->ccb_h.pinfo.priority; 1593 serial_buf = 1594 (struct scsi_vpd_unit_serial_number *)csio->data_ptr; 1595 1596 if (serial_buf == NULL) { 1597 /* 1598 * Don't process the command as it was never sent 1599 */ 1600 } else if (cam_ccb_status(done_ccb) == CAM_REQ_CMP 1601 && (serial_buf->length > 0)) { 1602 1603 have_serialnum = 1; 1604 path->device->serial_num = 1605 (u_int8_t *)malloc((serial_buf->length + 1), 1606 M_CAMXPT, M_NOWAIT); 1607 if (path->device->serial_num != NULL) { 1608 int start, slen; 1609 1610 start = strspn(serial_buf->serial_num, " "); 1611 slen = serial_buf->length - start; 1612 if (slen <= 0) { 1613 /* 1614 * SPC5r05 says that an all-space serial 1615 * number means no product serial number 1616 * is available 1617 */ 1618 slen = 0; 1619 } 1620 memcpy(path->device->serial_num, 1621 &serial_buf->serial_num[start], slen); 1622 path->device->serial_num_len = slen; 1623 path->device->serial_num[slen] = '\0'; 1624 } 1625 } else if (cam_periph_error(done_ccb, 0, 1626 SF_RETRY_UA|SF_NO_PRINT, 1627 &softc->saved_ccb) == ERESTART) { 1628 goto outr; 1629 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1630 /* Don't wedge the queue */ 1631 xpt_release_devq(done_ccb->ccb_h.path, /*count*/1, 1632 /*run_queue*/TRUE); 1633 } 1634 1635 /* 1636 * Let's see if we have seen this device before. 1637 */ 1638 if ((softc->flags & PROBE_INQUIRY_CKSUM) != 0) { 1639 MD5_CTX context; 1640 u_int8_t digest[16]; 1641 1642 MD5Init(&context); 1643 1644 MD5Update(&context, 1645 (unsigned char *)&path->device->inq_data, 1646 sizeof(struct scsi_inquiry_data)); 1647 1648 if (have_serialnum) 1649 MD5Update(&context, path->device->serial_num, 1650 path->device->serial_num_len); 1651 1652 MD5Final(digest, &context); 1653 if (bcmp(softc->digest, digest, 16) == 0) 1654 changed = 0; 1655 1656 /* 1657 * XXX Do we need to do a TUR in order to ensure 1658 * that the device really hasn't changed??? 1659 */ 1660 if ((changed != 0) 1661 && ((softc->flags & PROBE_NO_ANNOUNCE) == 0)) 1662 xpt_async(AC_LOST_DEVICE, path, NULL); 1663 } 1664 if (serial_buf != NULL) 1665 free(serial_buf, M_CAMXPT); 1666 1667 if (changed != 0) { 1668 /* 1669 * Now that we have all the necessary 1670 * information to safely perform transfer 1671 * negotiations... Controllers don't perform 1672 * any negotiation or tagged queuing until 1673 * after the first XPT_SET_TRAN_SETTINGS ccb is 1674 * received. So, on a new device, just retrieve 1675 * the user settings, and set them as the current 1676 * settings to set the device up. 1677 */ 1678 proberequestdefaultnegotiation(periph); 1679 xpt_release_ccb(done_ccb); 1680 1681 /* 1682 * Perform a TUR to allow the controller to 1683 * perform any necessary transfer negotiation. 1684 */ 1685 PROBE_SET_ACTION(softc, PROBE_TUR_FOR_NEGOTIATION); 1686 xpt_schedule(periph, priority); 1687 goto out; 1688 } 1689 xpt_release_ccb(done_ccb); 1690 break; 1691 } 1692 case PROBE_TUR_FOR_NEGOTIATION: 1693 case PROBE_DV_EXIT: 1694 if (cam_ccb_status(done_ccb) != CAM_REQ_CMP) { 1695 cam_periph_error(done_ccb, 0, 1696 SF_NO_PRINT | SF_NO_RECOVERY | SF_NO_RETRY, NULL); 1697 } 1698 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1699 /* Don't wedge the queue */ 1700 xpt_release_devq(done_ccb->ccb_h.path, /*count*/1, 1701 /*run_queue*/TRUE); 1702 } 1703 /* 1704 * Do Domain Validation for lun 0 on devices that claim 1705 * to support Synchronous Transfer modes. 1706 */ 1707 if (softc->action == PROBE_TUR_FOR_NEGOTIATION 1708 && done_ccb->ccb_h.target_lun == 0 1709 && (path->device->inq_data.flags & SID_Sync) != 0 1710 && (path->device->flags & CAM_DEV_IN_DV) == 0) { 1711 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, 1712 ("Begin Domain Validation\n")); 1713 path->device->flags |= CAM_DEV_IN_DV; 1714 xpt_release_ccb(done_ccb); 1715 PROBE_SET_ACTION(softc, PROBE_INQUIRY_BASIC_DV1); 1716 xpt_schedule(periph, priority); 1717 goto out; 1718 } 1719 if (softc->action == PROBE_DV_EXIT) { 1720 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, 1721 ("Leave Domain Validation\n")); 1722 } 1723 if (path->device->flags & CAM_DEV_UNCONFIGURED) { 1724 path->device->flags &= ~CAM_DEV_UNCONFIGURED; 1725 xpt_acquire_device(path->device); 1726 } 1727 path->device->flags &= 1728 ~(CAM_DEV_IN_DV|CAM_DEV_DV_HIT_BOTTOM); 1729 if ((softc->flags & PROBE_NO_ANNOUNCE) == 0) { 1730 /* Inform the XPT that a new device has been found */ 1731 done_ccb->ccb_h.func_code = XPT_GDEV_TYPE; 1732 xpt_action(done_ccb); 1733 xpt_async(AC_FOUND_DEVICE, done_ccb->ccb_h.path, 1734 done_ccb); 1735 } 1736 PROBE_SET_ACTION(softc, PROBE_DONE); 1737 xpt_release_ccb(done_ccb); 1738 break; 1739 case PROBE_INQUIRY_BASIC_DV1: 1740 case PROBE_INQUIRY_BASIC_DV2: 1741 { 1742 struct scsi_inquiry_data *nbuf; 1743 struct ccb_scsiio *csio; 1744 1745 if (cam_ccb_status(done_ccb) != CAM_REQ_CMP) { 1746 cam_periph_error(done_ccb, 0, 1747 SF_NO_PRINT | SF_NO_RECOVERY | SF_NO_RETRY, NULL); 1748 } 1749 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1750 /* Don't wedge the queue */ 1751 xpt_release_devq(done_ccb->ccb_h.path, /*count*/1, 1752 /*run_queue*/TRUE); 1753 } 1754 csio = &done_ccb->csio; 1755 nbuf = (struct scsi_inquiry_data *)csio->data_ptr; 1756 if (bcmp(nbuf, &path->device->inq_data, SHORT_INQUIRY_LENGTH)) { 1757 xpt_print(path, 1758 "inquiry data fails comparison at DV%d step\n", 1759 softc->action == PROBE_INQUIRY_BASIC_DV1 ? 1 : 2); 1760 if (proberequestbackoff(periph, path->device)) { 1761 path->device->flags &= ~CAM_DEV_IN_DV; 1762 PROBE_SET_ACTION(softc, PROBE_TUR_FOR_NEGOTIATION); 1763 } else { 1764 /* give up */ 1765 PROBE_SET_ACTION(softc, PROBE_DV_EXIT); 1766 } 1767 free(nbuf, M_CAMXPT); 1768 xpt_release_ccb(done_ccb); 1769 xpt_schedule(periph, priority); 1770 goto out; 1771 } 1772 free(nbuf, M_CAMXPT); 1773 if (softc->action == PROBE_INQUIRY_BASIC_DV1) { 1774 PROBE_SET_ACTION(softc, PROBE_INQUIRY_BASIC_DV2); 1775 xpt_release_ccb(done_ccb); 1776 xpt_schedule(periph, priority); 1777 goto out; 1778 } 1779 if (softc->action == PROBE_INQUIRY_BASIC_DV2) { 1780 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, 1781 ("Leave Domain Validation Successfully\n")); 1782 } 1783 if (path->device->flags & CAM_DEV_UNCONFIGURED) { 1784 path->device->flags &= ~CAM_DEV_UNCONFIGURED; 1785 xpt_acquire_device(path->device); 1786 } 1787 path->device->flags &= 1788 ~(CAM_DEV_IN_DV|CAM_DEV_DV_HIT_BOTTOM); 1789 if ((softc->flags & PROBE_NO_ANNOUNCE) == 0) { 1790 /* Inform the XPT that a new device has been found */ 1791 done_ccb->ccb_h.func_code = XPT_GDEV_TYPE; 1792 xpt_action(done_ccb); 1793 xpt_async(AC_FOUND_DEVICE, done_ccb->ccb_h.path, 1794 done_ccb); 1795 } 1796 PROBE_SET_ACTION(softc, PROBE_DONE); 1797 xpt_release_ccb(done_ccb); 1798 break; 1799 } 1800 default: 1801 panic("probedone: invalid action state 0x%x\n", softc->action); 1802 } 1803 done_ccb = (union ccb *)TAILQ_FIRST(&softc->request_ccbs); 1804 TAILQ_REMOVE(&softc->request_ccbs, &done_ccb->ccb_h, periph_links.tqe); 1805 done_ccb->ccb_h.status = CAM_REQ_CMP; 1806 xpt_done(done_ccb); 1807 if (TAILQ_FIRST(&softc->request_ccbs) == NULL) { 1808 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, ("Probe completed\n")); 1809 /* Drop freeze taken due to CAM_DEV_QFREEZE flag set. */ 1810 cam_release_devq(path, 0, 0, 0, FALSE); 1811 cam_periph_release_locked(periph); 1812 cam_periph_invalidate(periph); 1813 cam_periph_release_locked(periph); 1814 } else { 1815 probeschedule(periph); 1816 goto out; 1817 } 1818 } 1819 1820 static void 1821 probe_purge_old(struct cam_path *path, struct scsi_report_luns_data *new, 1822 probe_flags flags) 1823 { 1824 struct cam_path *tp; 1825 struct scsi_report_luns_data *old; 1826 u_int idx1, idx2, nlun_old, nlun_new; 1827 lun_id_t this_lun; 1828 u_int8_t *ol, *nl; 1829 1830 if (path->target == NULL) { 1831 return; 1832 } 1833 mtx_lock(&path->target->luns_mtx); 1834 old = path->target->luns; 1835 path->target->luns = new; 1836 mtx_unlock(&path->target->luns_mtx); 1837 if (old == NULL) 1838 return; 1839 nlun_old = scsi_4btoul(old->length) / 8; 1840 nlun_new = scsi_4btoul(new->length) / 8; 1841 1842 /* 1843 * We are not going to assume sorted lists. Deal. 1844 */ 1845 for (idx1 = 0; idx1 < nlun_old; idx1++) { 1846 ol = old->luns[idx1].lundata; 1847 for (idx2 = 0; idx2 < nlun_new; idx2++) { 1848 nl = new->luns[idx2].lundata; 1849 if (memcmp(nl, ol, 8) == 0) { 1850 break; 1851 } 1852 } 1853 if (idx2 < nlun_new) { 1854 continue; 1855 } 1856 /* 1857 * An 'old' item not in the 'new' list. 1858 * Nuke it. Except that if it is lun 0, 1859 * that would be what the probe state 1860 * machine is currently working on, 1861 * so we won't do that. 1862 */ 1863 CAM_GET_LUN(old, idx1, this_lun); 1864 if (this_lun == 0) { 1865 continue; 1866 } 1867 1868 /* 1869 * We also cannot nuke it if it is 1870 * not in a lun format we understand 1871 * and replace the LUN with a "simple" LUN 1872 * if that is all the HBA supports. 1873 */ 1874 if (!(flags & PROBE_EXTLUN)) { 1875 if (!CAM_CAN_GET_SIMPLE_LUN(old, idx1)) 1876 continue; 1877 CAM_GET_SIMPLE_LUN(old, idx1, this_lun); 1878 } 1879 1880 if (xpt_create_path(&tp, NULL, xpt_path_path_id(path), 1881 xpt_path_target_id(path), this_lun) == CAM_REQ_CMP) { 1882 xpt_async(AC_LOST_DEVICE, tp, NULL); 1883 xpt_free_path(tp); 1884 } 1885 } 1886 free(old, M_CAMXPT); 1887 } 1888 1889 static void 1890 probecleanup(struct cam_periph *periph) 1891 { 1892 free(periph->softc, M_CAMXPT); 1893 } 1894 1895 static void 1896 scsi_find_quirk(struct cam_ed *device) 1897 { 1898 struct scsi_quirk_entry *quirk; 1899 caddr_t match; 1900 1901 match = cam_quirkmatch((caddr_t)&device->inq_data, 1902 (caddr_t)scsi_quirk_table, 1903 nitems(scsi_quirk_table), 1904 sizeof(*scsi_quirk_table), scsi_inquiry_match); 1905 1906 if (match == NULL) 1907 panic("xpt_find_quirk: device didn't match wildcard entry!!"); 1908 1909 quirk = (struct scsi_quirk_entry *)match; 1910 device->quirk = quirk; 1911 device->mintags = quirk->mintags; 1912 device->maxtags = quirk->maxtags; 1913 } 1914 1915 static int 1916 sysctl_cam_search_luns(SYSCTL_HANDLER_ARGS) 1917 { 1918 int error, val; 1919 1920 val = cam_srch_hi; 1921 error = sysctl_handle_int(oidp, &val, 0, req); 1922 if (error != 0 || req->newptr == NULL) 1923 return (error); 1924 if (val == 0 || val == 1) { 1925 cam_srch_hi = val; 1926 return (0); 1927 } else { 1928 return (EINVAL); 1929 } 1930 } 1931 1932 typedef struct { 1933 union ccb *request_ccb; 1934 struct ccb_pathinq *cpi; 1935 int counter; 1936 int lunindex[0]; 1937 } scsi_scan_bus_info; 1938 1939 /* 1940 * To start a scan, request_ccb is an XPT_SCAN_BUS ccb. 1941 * As the scan progresses, scsi_scan_bus is used as the 1942 * callback on completion function. 1943 */ 1944 static void 1945 scsi_scan_bus(struct cam_periph *periph, union ccb *request_ccb) 1946 { 1947 struct mtx *mtx; 1948 1949 CAM_DEBUG(request_ccb->ccb_h.path, CAM_DEBUG_TRACE, 1950 ("scsi_scan_bus\n")); 1951 switch (request_ccb->ccb_h.func_code) { 1952 case XPT_SCAN_BUS: 1953 case XPT_SCAN_TGT: 1954 { 1955 scsi_scan_bus_info *scan_info; 1956 union ccb *work_ccb, *reset_ccb; 1957 struct cam_path *path; 1958 u_int i; 1959 u_int low_target, max_target; 1960 u_int initiator_id; 1961 1962 /* Find out the characteristics of the bus */ 1963 work_ccb = xpt_alloc_ccb_nowait(); 1964 if (work_ccb == NULL) { 1965 request_ccb->ccb_h.status = CAM_RESRC_UNAVAIL; 1966 xpt_done(request_ccb); 1967 return; 1968 } 1969 xpt_setup_ccb(&work_ccb->ccb_h, request_ccb->ccb_h.path, 1970 request_ccb->ccb_h.pinfo.priority); 1971 work_ccb->ccb_h.func_code = XPT_PATH_INQ; 1972 xpt_action(work_ccb); 1973 if (work_ccb->ccb_h.status != CAM_REQ_CMP) { 1974 request_ccb->ccb_h.status = work_ccb->ccb_h.status; 1975 xpt_free_ccb(work_ccb); 1976 xpt_done(request_ccb); 1977 return; 1978 } 1979 1980 if ((work_ccb->cpi.hba_misc & PIM_NOINITIATOR) != 0) { 1981 /* 1982 * Can't scan the bus on an adapter that 1983 * cannot perform the initiator role. 1984 */ 1985 request_ccb->ccb_h.status = CAM_REQ_CMP; 1986 xpt_free_ccb(work_ccb); 1987 xpt_done(request_ccb); 1988 return; 1989 } 1990 1991 /* We may need to reset bus first, if we haven't done it yet. */ 1992 if ((work_ccb->cpi.hba_inquiry & 1993 (PI_WIDE_32|PI_WIDE_16|PI_SDTR_ABLE)) && 1994 !(work_ccb->cpi.hba_misc & PIM_NOBUSRESET) && 1995 !timevalisset(&request_ccb->ccb_h.path->bus->last_reset) && 1996 (reset_ccb = xpt_alloc_ccb_nowait()) != NULL) { 1997 xpt_setup_ccb(&reset_ccb->ccb_h, request_ccb->ccb_h.path, 1998 CAM_PRIORITY_NONE); 1999 reset_ccb->ccb_h.func_code = XPT_RESET_BUS; 2000 xpt_action(reset_ccb); 2001 if (reset_ccb->ccb_h.status != CAM_REQ_CMP) { 2002 request_ccb->ccb_h.status = reset_ccb->ccb_h.status; 2003 xpt_free_ccb(reset_ccb); 2004 xpt_free_ccb(work_ccb); 2005 xpt_done(request_ccb); 2006 return; 2007 } 2008 xpt_free_ccb(reset_ccb); 2009 } 2010 2011 /* Save some state for use while we probe for devices */ 2012 scan_info = (scsi_scan_bus_info *) malloc(sizeof(scsi_scan_bus_info) + 2013 (work_ccb->cpi.max_target * sizeof (u_int)), M_CAMXPT, M_ZERO|M_NOWAIT); 2014 if (scan_info == NULL) { 2015 request_ccb->ccb_h.status = CAM_RESRC_UNAVAIL; 2016 xpt_free_ccb(work_ccb); 2017 xpt_done(request_ccb); 2018 return; 2019 } 2020 CAM_DEBUG(request_ccb->ccb_h.path, CAM_DEBUG_TRACE, 2021 ("SCAN start for %p\n", scan_info)); 2022 scan_info->request_ccb = request_ccb; 2023 scan_info->cpi = &work_ccb->cpi; 2024 2025 /* Cache on our stack so we can work asynchronously */ 2026 max_target = scan_info->cpi->max_target; 2027 low_target = 0; 2028 initiator_id = scan_info->cpi->initiator_id; 2029 2030 2031 /* 2032 * We can scan all targets in parallel, or do it sequentially. 2033 */ 2034 2035 if (request_ccb->ccb_h.func_code == XPT_SCAN_TGT) { 2036 max_target = low_target = request_ccb->ccb_h.target_id; 2037 scan_info->counter = 0; 2038 } else if (scan_info->cpi->hba_misc & PIM_SEQSCAN) { 2039 max_target = 0; 2040 scan_info->counter = 0; 2041 } else { 2042 scan_info->counter = scan_info->cpi->max_target + 1; 2043 if (scan_info->cpi->initiator_id < scan_info->counter) { 2044 scan_info->counter--; 2045 } 2046 } 2047 mtx = xpt_path_mtx(scan_info->request_ccb->ccb_h.path); 2048 mtx_unlock(mtx); 2049 2050 for (i = low_target; i <= max_target; i++) { 2051 cam_status status; 2052 if (i == initiator_id) 2053 continue; 2054 2055 status = xpt_create_path(&path, NULL, 2056 request_ccb->ccb_h.path_id, 2057 i, 0); 2058 if (status != CAM_REQ_CMP) { 2059 printf("scsi_scan_bus: xpt_create_path failed" 2060 " with status %#x, bus scan halted\n", 2061 status); 2062 free(scan_info, M_CAMXPT); 2063 request_ccb->ccb_h.status = status; 2064 xpt_free_ccb(work_ccb); 2065 xpt_done(request_ccb); 2066 break; 2067 } 2068 work_ccb = xpt_alloc_ccb_nowait(); 2069 if (work_ccb == NULL) { 2070 xpt_free_ccb((union ccb *)scan_info->cpi); 2071 free(scan_info, M_CAMXPT); 2072 xpt_free_path(path); 2073 request_ccb->ccb_h.status = CAM_RESRC_UNAVAIL; 2074 xpt_done(request_ccb); 2075 break; 2076 } 2077 xpt_setup_ccb(&work_ccb->ccb_h, path, 2078 request_ccb->ccb_h.pinfo.priority); 2079 work_ccb->ccb_h.func_code = XPT_SCAN_LUN; 2080 work_ccb->ccb_h.cbfcnp = scsi_scan_bus; 2081 work_ccb->ccb_h.flags |= CAM_UNLOCKED; 2082 work_ccb->ccb_h.ppriv_ptr0 = scan_info; 2083 work_ccb->crcn.flags = request_ccb->crcn.flags; 2084 xpt_action(work_ccb); 2085 } 2086 2087 mtx_lock(mtx); 2088 break; 2089 } 2090 case XPT_SCAN_LUN: 2091 { 2092 cam_status status; 2093 struct cam_path *path, *oldpath; 2094 scsi_scan_bus_info *scan_info; 2095 struct cam_et *target; 2096 struct cam_ed *device, *nextdev; 2097 int next_target; 2098 path_id_t path_id; 2099 target_id_t target_id; 2100 lun_id_t lun_id; 2101 2102 oldpath = request_ccb->ccb_h.path; 2103 2104 status = cam_ccb_status(request_ccb); 2105 scan_info = (scsi_scan_bus_info *)request_ccb->ccb_h.ppriv_ptr0; 2106 path_id = request_ccb->ccb_h.path_id; 2107 target_id = request_ccb->ccb_h.target_id; 2108 lun_id = request_ccb->ccb_h.target_lun; 2109 target = request_ccb->ccb_h.path->target; 2110 next_target = 1; 2111 2112 mtx = xpt_path_mtx(scan_info->request_ccb->ccb_h.path); 2113 mtx_lock(mtx); 2114 mtx_lock(&target->luns_mtx); 2115 if (target->luns) { 2116 lun_id_t first; 2117 u_int nluns = scsi_4btoul(target->luns->length) / 8; 2118 2119 /* 2120 * Make sure we skip over lun 0 if it's the first member 2121 * of the list as we've actually just finished probing 2122 * it. 2123 */ 2124 CAM_GET_LUN(target->luns, 0, first); 2125 if (first == 0 && scan_info->lunindex[target_id] == 0) { 2126 scan_info->lunindex[target_id]++; 2127 } 2128 2129 /* 2130 * Skip any LUNs that the HBA can't deal with. 2131 */ 2132 while (scan_info->lunindex[target_id] < nluns) { 2133 if (scan_info->cpi->hba_misc & PIM_EXTLUNS) { 2134 CAM_GET_LUN(target->luns, 2135 scan_info->lunindex[target_id], 2136 lun_id); 2137 break; 2138 } 2139 2140 if (CAM_CAN_GET_SIMPLE_LUN(target->luns, 2141 scan_info->lunindex[target_id])) { 2142 CAM_GET_SIMPLE_LUN(target->luns, 2143 scan_info->lunindex[target_id], 2144 lun_id); 2145 break; 2146 } 2147 2148 scan_info->lunindex[target_id]++; 2149 } 2150 2151 if (scan_info->lunindex[target_id] < nluns) { 2152 mtx_unlock(&target->luns_mtx); 2153 next_target = 0; 2154 CAM_DEBUG(request_ccb->ccb_h.path, 2155 CAM_DEBUG_PROBE, 2156 ("next lun to try at index %u is %jx\n", 2157 scan_info->lunindex[target_id], 2158 (uintmax_t)lun_id)); 2159 scan_info->lunindex[target_id]++; 2160 } else { 2161 mtx_unlock(&target->luns_mtx); 2162 /* We're done with scanning all luns. */ 2163 } 2164 } else { 2165 mtx_unlock(&target->luns_mtx); 2166 device = request_ccb->ccb_h.path->device; 2167 /* Continue sequential LUN scan if: */ 2168 /* -- we have more LUNs that need recheck */ 2169 mtx_lock(&target->bus->eb_mtx); 2170 nextdev = device; 2171 while ((nextdev = TAILQ_NEXT(nextdev, links)) != NULL) 2172 if ((nextdev->flags & CAM_DEV_UNCONFIGURED) == 0) 2173 break; 2174 mtx_unlock(&target->bus->eb_mtx); 2175 if (nextdev != NULL) { 2176 next_target = 0; 2177 /* -- stop if CAM_QUIRK_NOLUNS is set. */ 2178 } else if (SCSI_QUIRK(device)->quirks & CAM_QUIRK_NOLUNS) { 2179 next_target = 1; 2180 /* -- this LUN is connected and its SCSI version 2181 * allows more LUNs. */ 2182 } else if ((device->flags & CAM_DEV_UNCONFIGURED) == 0) { 2183 if (lun_id < (CAM_SCSI2_MAXLUN-1) || 2184 CAN_SRCH_HI_DENSE(device)) 2185 next_target = 0; 2186 /* -- this LUN is disconnected, its SCSI version 2187 * allows more LUNs and we guess they may be. */ 2188 } else if ((device->flags & CAM_DEV_INQUIRY_DATA_VALID) != 0) { 2189 if (lun_id < (CAM_SCSI2_MAXLUN-1) || 2190 CAN_SRCH_HI_SPARSE(device)) 2191 next_target = 0; 2192 } 2193 if (next_target == 0) { 2194 lun_id++; 2195 if (lun_id > scan_info->cpi->max_lun) 2196 next_target = 1; 2197 } 2198 } 2199 2200 /* 2201 * Check to see if we scan any further luns. 2202 */ 2203 if (next_target) { 2204 int done; 2205 2206 /* 2207 * Free the current request path- we're done with it. 2208 */ 2209 xpt_free_path(oldpath); 2210 hop_again: 2211 done = 0; 2212 if (scan_info->request_ccb->ccb_h.func_code == XPT_SCAN_TGT) { 2213 done = 1; 2214 } else if (scan_info->cpi->hba_misc & PIM_SEQSCAN) { 2215 scan_info->counter++; 2216 if (scan_info->counter == 2217 scan_info->cpi->initiator_id) { 2218 scan_info->counter++; 2219 } 2220 if (scan_info->counter >= 2221 scan_info->cpi->max_target+1) { 2222 done = 1; 2223 } 2224 } else { 2225 scan_info->counter--; 2226 if (scan_info->counter == 0) { 2227 done = 1; 2228 } 2229 } 2230 if (done) { 2231 mtx_unlock(mtx); 2232 xpt_free_ccb(request_ccb); 2233 xpt_free_ccb((union ccb *)scan_info->cpi); 2234 request_ccb = scan_info->request_ccb; 2235 CAM_DEBUG(request_ccb->ccb_h.path, 2236 CAM_DEBUG_TRACE, 2237 ("SCAN done for %p\n", scan_info)); 2238 free(scan_info, M_CAMXPT); 2239 request_ccb->ccb_h.status = CAM_REQ_CMP; 2240 xpt_done(request_ccb); 2241 break; 2242 } 2243 2244 if ((scan_info->cpi->hba_misc & PIM_SEQSCAN) == 0) { 2245 mtx_unlock(mtx); 2246 xpt_free_ccb(request_ccb); 2247 break; 2248 } 2249 status = xpt_create_path(&path, NULL, 2250 scan_info->request_ccb->ccb_h.path_id, 2251 scan_info->counter, 0); 2252 if (status != CAM_REQ_CMP) { 2253 mtx_unlock(mtx); 2254 printf("scsi_scan_bus: xpt_create_path failed" 2255 " with status %#x, bus scan halted\n", 2256 status); 2257 xpt_free_ccb(request_ccb); 2258 xpt_free_ccb((union ccb *)scan_info->cpi); 2259 request_ccb = scan_info->request_ccb; 2260 free(scan_info, M_CAMXPT); 2261 request_ccb->ccb_h.status = status; 2262 xpt_done(request_ccb); 2263 break; 2264 } 2265 xpt_setup_ccb(&request_ccb->ccb_h, path, 2266 request_ccb->ccb_h.pinfo.priority); 2267 request_ccb->ccb_h.func_code = XPT_SCAN_LUN; 2268 request_ccb->ccb_h.cbfcnp = scsi_scan_bus; 2269 request_ccb->ccb_h.flags |= CAM_UNLOCKED; 2270 request_ccb->ccb_h.ppriv_ptr0 = scan_info; 2271 request_ccb->crcn.flags = 2272 scan_info->request_ccb->crcn.flags; 2273 } else { 2274 status = xpt_create_path(&path, NULL, 2275 path_id, target_id, lun_id); 2276 /* 2277 * Free the old request path- we're done with it. We 2278 * do this *after* creating the new path so that 2279 * we don't remove a target that has our lun list 2280 * in the case that lun 0 is not present. 2281 */ 2282 xpt_free_path(oldpath); 2283 if (status != CAM_REQ_CMP) { 2284 printf("scsi_scan_bus: xpt_create_path failed " 2285 "with status %#x, halting LUN scan\n", 2286 status); 2287 goto hop_again; 2288 } 2289 xpt_setup_ccb(&request_ccb->ccb_h, path, 2290 request_ccb->ccb_h.pinfo.priority); 2291 request_ccb->ccb_h.func_code = XPT_SCAN_LUN; 2292 request_ccb->ccb_h.cbfcnp = scsi_scan_bus; 2293 request_ccb->ccb_h.flags |= CAM_UNLOCKED; 2294 request_ccb->ccb_h.ppriv_ptr0 = scan_info; 2295 request_ccb->crcn.flags = 2296 scan_info->request_ccb->crcn.flags; 2297 } 2298 mtx_unlock(mtx); 2299 xpt_action(request_ccb); 2300 break; 2301 } 2302 default: 2303 break; 2304 } 2305 } 2306 2307 static void 2308 scsi_scan_lun(struct cam_periph *periph, struct cam_path *path, 2309 cam_flags flags, union ccb *request_ccb) 2310 { 2311 struct ccb_pathinq cpi; 2312 cam_status status; 2313 struct cam_path *new_path; 2314 struct cam_periph *old_periph; 2315 int lock; 2316 2317 CAM_DEBUG(path, CAM_DEBUG_TRACE, ("scsi_scan_lun\n")); 2318 2319 xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NONE); 2320 cpi.ccb_h.func_code = XPT_PATH_INQ; 2321 xpt_action((union ccb *)&cpi); 2322 2323 if (cpi.ccb_h.status != CAM_REQ_CMP) { 2324 if (request_ccb != NULL) { 2325 request_ccb->ccb_h.status = cpi.ccb_h.status; 2326 xpt_done(request_ccb); 2327 } 2328 return; 2329 } 2330 2331 if ((cpi.hba_misc & PIM_NOINITIATOR) != 0) { 2332 /* 2333 * Can't scan the bus on an adapter that 2334 * cannot perform the initiator role. 2335 */ 2336 if (request_ccb != NULL) { 2337 request_ccb->ccb_h.status = CAM_REQ_CMP; 2338 xpt_done(request_ccb); 2339 } 2340 return; 2341 } 2342 2343 if (request_ccb == NULL) { 2344 request_ccb = xpt_alloc_ccb_nowait(); 2345 if (request_ccb == NULL) { 2346 xpt_print(path, "scsi_scan_lun: can't allocate CCB, " 2347 "can't continue\n"); 2348 return; 2349 } 2350 status = xpt_create_path(&new_path, NULL, 2351 path->bus->path_id, 2352 path->target->target_id, 2353 path->device->lun_id); 2354 if (status != CAM_REQ_CMP) { 2355 xpt_print(path, "scsi_scan_lun: can't create path, " 2356 "can't continue\n"); 2357 xpt_free_ccb(request_ccb); 2358 return; 2359 } 2360 xpt_setup_ccb(&request_ccb->ccb_h, new_path, CAM_PRIORITY_XPT); 2361 request_ccb->ccb_h.cbfcnp = xptscandone; 2362 request_ccb->ccb_h.func_code = XPT_SCAN_LUN; 2363 request_ccb->ccb_h.flags |= CAM_UNLOCKED; 2364 request_ccb->crcn.flags = flags; 2365 } 2366 2367 lock = (xpt_path_owned(path) == 0); 2368 if (lock) 2369 xpt_path_lock(path); 2370 if ((old_periph = cam_periph_find(path, "probe")) != NULL) { 2371 if ((old_periph->flags & CAM_PERIPH_INVALID) == 0) { 2372 probe_softc *softc; 2373 2374 softc = (probe_softc *)old_periph->softc; 2375 TAILQ_INSERT_TAIL(&softc->request_ccbs, 2376 &request_ccb->ccb_h, periph_links.tqe); 2377 } else { 2378 request_ccb->ccb_h.status = CAM_REQ_CMP_ERR; 2379 xpt_done(request_ccb); 2380 } 2381 } else { 2382 status = cam_periph_alloc(proberegister, NULL, probecleanup, 2383 probestart, "probe", 2384 CAM_PERIPH_BIO, 2385 request_ccb->ccb_h.path, NULL, 0, 2386 request_ccb); 2387 2388 if (status != CAM_REQ_CMP) { 2389 xpt_print(path, "scsi_scan_lun: cam_alloc_periph " 2390 "returned an error, can't continue probe\n"); 2391 request_ccb->ccb_h.status = status; 2392 xpt_done(request_ccb); 2393 } 2394 } 2395 if (lock) 2396 xpt_path_unlock(path); 2397 } 2398 2399 static void 2400 xptscandone(struct cam_periph *periph, union ccb *done_ccb) 2401 { 2402 2403 xpt_free_path(done_ccb->ccb_h.path); 2404 xpt_free_ccb(done_ccb); 2405 } 2406 2407 static struct cam_ed * 2408 scsi_alloc_device(struct cam_eb *bus, struct cam_et *target, lun_id_t lun_id) 2409 { 2410 struct scsi_quirk_entry *quirk; 2411 struct cam_ed *device; 2412 2413 device = xpt_alloc_device(bus, target, lun_id); 2414 if (device == NULL) 2415 return (NULL); 2416 2417 /* 2418 * Take the default quirk entry until we have inquiry 2419 * data and can determine a better quirk to use. 2420 */ 2421 quirk = &scsi_quirk_table[nitems(scsi_quirk_table) - 1]; 2422 device->quirk = (void *)quirk; 2423 device->mintags = quirk->mintags; 2424 device->maxtags = quirk->maxtags; 2425 bzero(&device->inq_data, sizeof(device->inq_data)); 2426 device->inq_flags = 0; 2427 device->queue_flags = 0; 2428 device->serial_num = NULL; 2429 device->serial_num_len = 0; 2430 device->device_id = NULL; 2431 device->device_id_len = 0; 2432 device->supported_vpds = NULL; 2433 device->supported_vpds_len = 0; 2434 return (device); 2435 } 2436 2437 static void 2438 scsi_devise_transport(struct cam_path *path) 2439 { 2440 struct ccb_pathinq cpi; 2441 struct ccb_trans_settings cts; 2442 struct scsi_inquiry_data *inq_buf; 2443 2444 /* Get transport information from the SIM */ 2445 xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NONE); 2446 cpi.ccb_h.func_code = XPT_PATH_INQ; 2447 xpt_action((union ccb *)&cpi); 2448 2449 inq_buf = NULL; 2450 if ((path->device->flags & CAM_DEV_INQUIRY_DATA_VALID) != 0) 2451 inq_buf = &path->device->inq_data; 2452 path->device->protocol = PROTO_SCSI; 2453 path->device->protocol_version = 2454 inq_buf != NULL ? SID_ANSI_REV(inq_buf) : cpi.protocol_version; 2455 path->device->transport = cpi.transport; 2456 path->device->transport_version = cpi.transport_version; 2457 2458 /* 2459 * Any device not using SPI3 features should 2460 * be considered SPI2 or lower. 2461 */ 2462 if (inq_buf != NULL) { 2463 if (path->device->transport == XPORT_SPI 2464 && (inq_buf->spi3data & SID_SPI_MASK) == 0 2465 && path->device->transport_version > 2) 2466 path->device->transport_version = 2; 2467 } else { 2468 struct cam_ed* otherdev; 2469 2470 for (otherdev = TAILQ_FIRST(&path->target->ed_entries); 2471 otherdev != NULL; 2472 otherdev = TAILQ_NEXT(otherdev, links)) { 2473 if (otherdev != path->device) 2474 break; 2475 } 2476 2477 if (otherdev != NULL) { 2478 /* 2479 * Initially assume the same versioning as 2480 * prior luns for this target. 2481 */ 2482 path->device->protocol_version = 2483 otherdev->protocol_version; 2484 path->device->transport_version = 2485 otherdev->transport_version; 2486 } else { 2487 /* Until we know better, opt for safety */ 2488 path->device->protocol_version = 2; 2489 if (path->device->transport == XPORT_SPI) 2490 path->device->transport_version = 2; 2491 else 2492 path->device->transport_version = 0; 2493 } 2494 } 2495 2496 /* 2497 * XXX 2498 * For a device compliant with SPC-2 we should be able 2499 * to determine the transport version supported by 2500 * scrutinizing the version descriptors in the 2501 * inquiry buffer. 2502 */ 2503 2504 /* Tell the controller what we think */ 2505 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 2506 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 2507 cts.type = CTS_TYPE_CURRENT_SETTINGS; 2508 cts.transport = path->device->transport; 2509 cts.transport_version = path->device->transport_version; 2510 cts.protocol = path->device->protocol; 2511 cts.protocol_version = path->device->protocol_version; 2512 cts.proto_specific.valid = 0; 2513 cts.xport_specific.valid = 0; 2514 xpt_action((union ccb *)&cts); 2515 } 2516 2517 static void 2518 scsi_dev_advinfo(union ccb *start_ccb) 2519 { 2520 struct cam_ed *device; 2521 struct ccb_dev_advinfo *cdai; 2522 off_t amt; 2523 2524 start_ccb->ccb_h.status = CAM_REQ_INVALID; 2525 device = start_ccb->ccb_h.path->device; 2526 cdai = &start_ccb->cdai; 2527 switch(cdai->buftype) { 2528 case CDAI_TYPE_SCSI_DEVID: 2529 if (cdai->flags & CDAI_FLAG_STORE) 2530 return; 2531 cdai->provsiz = device->device_id_len; 2532 if (device->device_id_len == 0) 2533 break; 2534 amt = device->device_id_len; 2535 if (cdai->provsiz > cdai->bufsiz) 2536 amt = cdai->bufsiz; 2537 memcpy(cdai->buf, device->device_id, amt); 2538 break; 2539 case CDAI_TYPE_SERIAL_NUM: 2540 if (cdai->flags & CDAI_FLAG_STORE) 2541 return; 2542 cdai->provsiz = device->serial_num_len; 2543 if (device->serial_num_len == 0) 2544 break; 2545 amt = device->serial_num_len; 2546 if (cdai->provsiz > cdai->bufsiz) 2547 amt = cdai->bufsiz; 2548 memcpy(cdai->buf, device->serial_num, amt); 2549 break; 2550 case CDAI_TYPE_PHYS_PATH: 2551 if (cdai->flags & CDAI_FLAG_STORE) { 2552 if (device->physpath != NULL) { 2553 free(device->physpath, M_CAMXPT); 2554 device->physpath = NULL; 2555 device->physpath_len = 0; 2556 } 2557 /* Clear existing buffer if zero length */ 2558 if (cdai->bufsiz == 0) 2559 break; 2560 device->physpath = malloc(cdai->bufsiz, M_CAMXPT, M_NOWAIT); 2561 if (device->physpath == NULL) { 2562 start_ccb->ccb_h.status = CAM_REQ_ABORTED; 2563 return; 2564 } 2565 device->physpath_len = cdai->bufsiz; 2566 memcpy(device->physpath, cdai->buf, cdai->bufsiz); 2567 } else { 2568 cdai->provsiz = device->physpath_len; 2569 if (device->physpath_len == 0) 2570 break; 2571 amt = device->physpath_len; 2572 if (cdai->provsiz > cdai->bufsiz) 2573 amt = cdai->bufsiz; 2574 memcpy(cdai->buf, device->physpath, amt); 2575 } 2576 break; 2577 case CDAI_TYPE_RCAPLONG: 2578 if (cdai->flags & CDAI_FLAG_STORE) { 2579 if (device->rcap_buf != NULL) { 2580 free(device->rcap_buf, M_CAMXPT); 2581 device->rcap_buf = NULL; 2582 } 2583 2584 device->rcap_len = cdai->bufsiz; 2585 /* Clear existing buffer if zero length */ 2586 if (cdai->bufsiz == 0) 2587 break; 2588 2589 device->rcap_buf = malloc(cdai->bufsiz, M_CAMXPT, 2590 M_NOWAIT); 2591 if (device->rcap_buf == NULL) { 2592 start_ccb->ccb_h.status = CAM_REQ_ABORTED; 2593 return; 2594 } 2595 2596 memcpy(device->rcap_buf, cdai->buf, cdai->bufsiz); 2597 } else { 2598 cdai->provsiz = device->rcap_len; 2599 if (device->rcap_len == 0) 2600 break; 2601 amt = device->rcap_len; 2602 if (cdai->provsiz > cdai->bufsiz) 2603 amt = cdai->bufsiz; 2604 memcpy(cdai->buf, device->rcap_buf, amt); 2605 } 2606 break; 2607 case CDAI_TYPE_EXT_INQ: 2608 /* 2609 * We fetch extended inquiry data during probe, if 2610 * available. We don't allow changing it. 2611 */ 2612 if (cdai->flags & CDAI_FLAG_STORE) 2613 return; 2614 cdai->provsiz = device->ext_inq_len; 2615 if (device->ext_inq_len == 0) 2616 break; 2617 amt = device->ext_inq_len; 2618 if (cdai->provsiz > cdai->bufsiz) 2619 amt = cdai->bufsiz; 2620 memcpy(cdai->buf, device->ext_inq, amt); 2621 break; 2622 default: 2623 return; 2624 } 2625 start_ccb->ccb_h.status = CAM_REQ_CMP; 2626 2627 if (cdai->flags & CDAI_FLAG_STORE) { 2628 xpt_async(AC_ADVINFO_CHANGED, start_ccb->ccb_h.path, 2629 (void *)(uintptr_t)cdai->buftype); 2630 } 2631 } 2632 2633 static void 2634 scsi_action(union ccb *start_ccb) 2635 { 2636 2637 switch (start_ccb->ccb_h.func_code) { 2638 case XPT_SET_TRAN_SETTINGS: 2639 { 2640 scsi_set_transfer_settings(&start_ccb->cts, 2641 start_ccb->ccb_h.path, 2642 /*async_update*/FALSE); 2643 break; 2644 } 2645 case XPT_SCAN_BUS: 2646 case XPT_SCAN_TGT: 2647 scsi_scan_bus(start_ccb->ccb_h.path->periph, start_ccb); 2648 break; 2649 case XPT_SCAN_LUN: 2650 scsi_scan_lun(start_ccb->ccb_h.path->periph, 2651 start_ccb->ccb_h.path, start_ccb->crcn.flags, 2652 start_ccb); 2653 break; 2654 case XPT_DEV_ADVINFO: 2655 { 2656 scsi_dev_advinfo(start_ccb); 2657 break; 2658 } 2659 default: 2660 xpt_action_default(start_ccb); 2661 break; 2662 } 2663 } 2664 2665 static void 2666 scsi_set_transfer_settings(struct ccb_trans_settings *cts, struct cam_path *path, 2667 int async_update) 2668 { 2669 struct ccb_pathinq cpi; 2670 struct ccb_trans_settings cur_cts; 2671 struct ccb_trans_settings_scsi *scsi; 2672 struct ccb_trans_settings_scsi *cur_scsi; 2673 struct scsi_inquiry_data *inq_data; 2674 struct cam_ed *device; 2675 2676 if (path == NULL || (device = path->device) == NULL) { 2677 cts->ccb_h.status = CAM_PATH_INVALID; 2678 xpt_done((union ccb *)cts); 2679 return; 2680 } 2681 2682 if (cts->protocol == PROTO_UNKNOWN 2683 || cts->protocol == PROTO_UNSPECIFIED) { 2684 cts->protocol = device->protocol; 2685 cts->protocol_version = device->protocol_version; 2686 } 2687 2688 if (cts->protocol_version == PROTO_VERSION_UNKNOWN 2689 || cts->protocol_version == PROTO_VERSION_UNSPECIFIED) 2690 cts->protocol_version = device->protocol_version; 2691 2692 if (cts->protocol != device->protocol) { 2693 xpt_print(path, "Uninitialized Protocol %x:%x?\n", 2694 cts->protocol, device->protocol); 2695 cts->protocol = device->protocol; 2696 } 2697 2698 if (cts->protocol_version > device->protocol_version) { 2699 if (bootverbose) { 2700 xpt_print(path, "Down reving Protocol " 2701 "Version from %d to %d?\n", cts->protocol_version, 2702 device->protocol_version); 2703 } 2704 cts->protocol_version = device->protocol_version; 2705 } 2706 2707 if (cts->transport == XPORT_UNKNOWN 2708 || cts->transport == XPORT_UNSPECIFIED) { 2709 cts->transport = device->transport; 2710 cts->transport_version = device->transport_version; 2711 } 2712 2713 if (cts->transport_version == XPORT_VERSION_UNKNOWN 2714 || cts->transport_version == XPORT_VERSION_UNSPECIFIED) 2715 cts->transport_version = device->transport_version; 2716 2717 if (cts->transport != device->transport) { 2718 xpt_print(path, "Uninitialized Transport %x:%x?\n", 2719 cts->transport, device->transport); 2720 cts->transport = device->transport; 2721 } 2722 2723 if (cts->transport_version > device->transport_version) { 2724 if (bootverbose) { 2725 xpt_print(path, "Down reving Transport " 2726 "Version from %d to %d?\n", cts->transport_version, 2727 device->transport_version); 2728 } 2729 cts->transport_version = device->transport_version; 2730 } 2731 2732 /* 2733 * Nothing more of interest to do unless 2734 * this is a device connected via the 2735 * SCSI protocol. 2736 */ 2737 if (cts->protocol != PROTO_SCSI) { 2738 if (async_update == FALSE) 2739 xpt_action_default((union ccb *)cts); 2740 return; 2741 } 2742 2743 inq_data = &device->inq_data; 2744 scsi = &cts->proto_specific.scsi; 2745 xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NONE); 2746 cpi.ccb_h.func_code = XPT_PATH_INQ; 2747 xpt_action((union ccb *)&cpi); 2748 2749 /* SCSI specific sanity checking */ 2750 if ((cpi.hba_inquiry & PI_TAG_ABLE) == 0 2751 || (INQ_DATA_TQ_ENABLED(inq_data)) == 0 2752 || (device->queue_flags & SCP_QUEUE_DQUE) != 0 2753 || (device->mintags == 0)) { 2754 /* 2755 * Can't tag on hardware that doesn't support tags, 2756 * doesn't have it enabled, or has broken tag support. 2757 */ 2758 scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB; 2759 } 2760 2761 if (async_update == FALSE) { 2762 /* 2763 * Perform sanity checking against what the 2764 * controller and device can do. 2765 */ 2766 xpt_setup_ccb(&cur_cts.ccb_h, path, CAM_PRIORITY_NONE); 2767 cur_cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 2768 cur_cts.type = cts->type; 2769 xpt_action((union ccb *)&cur_cts); 2770 if (cam_ccb_status((union ccb *)&cur_cts) != CAM_REQ_CMP) { 2771 return; 2772 } 2773 cur_scsi = &cur_cts.proto_specific.scsi; 2774 if ((scsi->valid & CTS_SCSI_VALID_TQ) == 0) { 2775 scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB; 2776 scsi->flags |= cur_scsi->flags & CTS_SCSI_FLAGS_TAG_ENB; 2777 } 2778 if ((cur_scsi->valid & CTS_SCSI_VALID_TQ) == 0) 2779 scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB; 2780 } 2781 2782 /* SPI specific sanity checking */ 2783 if (cts->transport == XPORT_SPI && async_update == FALSE) { 2784 u_int spi3caps; 2785 struct ccb_trans_settings_spi *spi; 2786 struct ccb_trans_settings_spi *cur_spi; 2787 2788 spi = &cts->xport_specific.spi; 2789 2790 cur_spi = &cur_cts.xport_specific.spi; 2791 2792 /* Fill in any gaps in what the user gave us */ 2793 if ((spi->valid & CTS_SPI_VALID_SYNC_RATE) == 0) 2794 spi->sync_period = cur_spi->sync_period; 2795 if ((cur_spi->valid & CTS_SPI_VALID_SYNC_RATE) == 0) 2796 spi->sync_period = 0; 2797 if ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) == 0) 2798 spi->sync_offset = cur_spi->sync_offset; 2799 if ((cur_spi->valid & CTS_SPI_VALID_SYNC_OFFSET) == 0) 2800 spi->sync_offset = 0; 2801 if ((spi->valid & CTS_SPI_VALID_PPR_OPTIONS) == 0) 2802 spi->ppr_options = cur_spi->ppr_options; 2803 if ((cur_spi->valid & CTS_SPI_VALID_PPR_OPTIONS) == 0) 2804 spi->ppr_options = 0; 2805 if ((spi->valid & CTS_SPI_VALID_BUS_WIDTH) == 0) 2806 spi->bus_width = cur_spi->bus_width; 2807 if ((cur_spi->valid & CTS_SPI_VALID_BUS_WIDTH) == 0) 2808 spi->bus_width = 0; 2809 if ((spi->valid & CTS_SPI_VALID_DISC) == 0) { 2810 spi->flags &= ~CTS_SPI_FLAGS_DISC_ENB; 2811 spi->flags |= cur_spi->flags & CTS_SPI_FLAGS_DISC_ENB; 2812 } 2813 if ((cur_spi->valid & CTS_SPI_VALID_DISC) == 0) 2814 spi->flags &= ~CTS_SPI_FLAGS_DISC_ENB; 2815 if (((device->flags & CAM_DEV_INQUIRY_DATA_VALID) != 0 2816 && (inq_data->flags & SID_Sync) == 0 2817 && cts->type == CTS_TYPE_CURRENT_SETTINGS) 2818 || ((cpi.hba_inquiry & PI_SDTR_ABLE) == 0)) { 2819 /* Force async */ 2820 spi->sync_period = 0; 2821 spi->sync_offset = 0; 2822 } 2823 2824 switch (spi->bus_width) { 2825 case MSG_EXT_WDTR_BUS_32_BIT: 2826 if (((device->flags & CAM_DEV_INQUIRY_DATA_VALID) == 0 2827 || (inq_data->flags & SID_WBus32) != 0 2828 || cts->type == CTS_TYPE_USER_SETTINGS) 2829 && (cpi.hba_inquiry & PI_WIDE_32) != 0) 2830 break; 2831 /* Fall Through to 16-bit */ 2832 case MSG_EXT_WDTR_BUS_16_BIT: 2833 if (((device->flags & CAM_DEV_INQUIRY_DATA_VALID) == 0 2834 || (inq_data->flags & SID_WBus16) != 0 2835 || cts->type == CTS_TYPE_USER_SETTINGS) 2836 && (cpi.hba_inquiry & PI_WIDE_16) != 0) { 2837 spi->bus_width = MSG_EXT_WDTR_BUS_16_BIT; 2838 break; 2839 } 2840 /* Fall Through to 8-bit */ 2841 default: /* New bus width?? */ 2842 case MSG_EXT_WDTR_BUS_8_BIT: 2843 /* All targets can do this */ 2844 spi->bus_width = MSG_EXT_WDTR_BUS_8_BIT; 2845 break; 2846 } 2847 2848 spi3caps = cpi.xport_specific.spi.ppr_options; 2849 if ((device->flags & CAM_DEV_INQUIRY_DATA_VALID) != 0 2850 && cts->type == CTS_TYPE_CURRENT_SETTINGS) 2851 spi3caps &= inq_data->spi3data; 2852 2853 if ((spi3caps & SID_SPI_CLOCK_DT) == 0) 2854 spi->ppr_options &= ~MSG_EXT_PPR_DT_REQ; 2855 2856 if ((spi3caps & SID_SPI_IUS) == 0) 2857 spi->ppr_options &= ~MSG_EXT_PPR_IU_REQ; 2858 2859 if ((spi3caps & SID_SPI_QAS) == 0) 2860 spi->ppr_options &= ~MSG_EXT_PPR_QAS_REQ; 2861 2862 /* No SPI Transfer settings are allowed unless we are wide */ 2863 if (spi->bus_width == 0) 2864 spi->ppr_options = 0; 2865 2866 if ((spi->valid & CTS_SPI_VALID_DISC) 2867 && ((spi->flags & CTS_SPI_FLAGS_DISC_ENB) == 0)) { 2868 /* 2869 * Can't tag queue without disconnection. 2870 */ 2871 scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB; 2872 scsi->valid |= CTS_SCSI_VALID_TQ; 2873 } 2874 2875 /* 2876 * If we are currently performing tagged transactions to 2877 * this device and want to change its negotiation parameters, 2878 * go non-tagged for a bit to give the controller a chance to 2879 * negotiate unhampered by tag messages. 2880 */ 2881 if (cts->type == CTS_TYPE_CURRENT_SETTINGS 2882 && (device->inq_flags & SID_CmdQue) != 0 2883 && (scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0 2884 && (spi->flags & (CTS_SPI_VALID_SYNC_RATE| 2885 CTS_SPI_VALID_SYNC_OFFSET| 2886 CTS_SPI_VALID_BUS_WIDTH)) != 0) 2887 scsi_toggle_tags(path); 2888 } 2889 2890 if (cts->type == CTS_TYPE_CURRENT_SETTINGS 2891 && (scsi->valid & CTS_SCSI_VALID_TQ) != 0) { 2892 int device_tagenb; 2893 2894 /* 2895 * If we are transitioning from tags to no-tags or 2896 * vice-versa, we need to carefully freeze and restart 2897 * the queue so that we don't overlap tagged and non-tagged 2898 * commands. We also temporarily stop tags if there is 2899 * a change in transfer negotiation settings to allow 2900 * "tag-less" negotiation. 2901 */ 2902 if ((device->flags & CAM_DEV_TAG_AFTER_COUNT) != 0 2903 || (device->inq_flags & SID_CmdQue) != 0) 2904 device_tagenb = TRUE; 2905 else 2906 device_tagenb = FALSE; 2907 2908 if (((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0 2909 && device_tagenb == FALSE) 2910 || ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) == 0 2911 && device_tagenb == TRUE)) { 2912 2913 if ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0) { 2914 /* 2915 * Delay change to use tags until after a 2916 * few commands have gone to this device so 2917 * the controller has time to perform transfer 2918 * negotiations without tagged messages getting 2919 * in the way. 2920 */ 2921 device->tag_delay_count = CAM_TAG_DELAY_COUNT; 2922 device->flags |= CAM_DEV_TAG_AFTER_COUNT; 2923 } else { 2924 xpt_stop_tags(path); 2925 } 2926 } 2927 } 2928 if (async_update == FALSE) 2929 xpt_action_default((union ccb *)cts); 2930 } 2931 2932 static void 2933 scsi_toggle_tags(struct cam_path *path) 2934 { 2935 struct cam_ed *dev; 2936 2937 /* 2938 * Give controllers a chance to renegotiate 2939 * before starting tag operations. We 2940 * "toggle" tagged queuing off then on 2941 * which causes the tag enable command delay 2942 * counter to come into effect. 2943 */ 2944 dev = path->device; 2945 if ((dev->flags & CAM_DEV_TAG_AFTER_COUNT) != 0 2946 || ((dev->inq_flags & SID_CmdQue) != 0 2947 && (dev->inq_flags & (SID_Sync|SID_WBus16|SID_WBus32)) != 0)) { 2948 struct ccb_trans_settings cts; 2949 2950 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 2951 cts.protocol = PROTO_SCSI; 2952 cts.protocol_version = PROTO_VERSION_UNSPECIFIED; 2953 cts.transport = XPORT_UNSPECIFIED; 2954 cts.transport_version = XPORT_VERSION_UNSPECIFIED; 2955 cts.proto_specific.scsi.flags = 0; 2956 cts.proto_specific.scsi.valid = CTS_SCSI_VALID_TQ; 2957 scsi_set_transfer_settings(&cts, path, 2958 /*async_update*/TRUE); 2959 cts.proto_specific.scsi.flags = CTS_SCSI_FLAGS_TAG_ENB; 2960 scsi_set_transfer_settings(&cts, path, 2961 /*async_update*/TRUE); 2962 } 2963 } 2964 2965 /* 2966 * Handle any per-device event notifications that require action by the XPT. 2967 */ 2968 static void 2969 scsi_dev_async(u_int32_t async_code, struct cam_eb *bus, struct cam_et *target, 2970 struct cam_ed *device, void *async_arg) 2971 { 2972 cam_status status; 2973 struct cam_path newpath; 2974 2975 /* 2976 * We only need to handle events for real devices. 2977 */ 2978 if (target->target_id == CAM_TARGET_WILDCARD 2979 || device->lun_id == CAM_LUN_WILDCARD) 2980 return; 2981 2982 /* 2983 * We need our own path with wildcards expanded to 2984 * handle certain types of events. 2985 */ 2986 if ((async_code == AC_SENT_BDR) 2987 || (async_code == AC_BUS_RESET) 2988 || (async_code == AC_INQ_CHANGED)) 2989 status = xpt_compile_path(&newpath, NULL, 2990 bus->path_id, 2991 target->target_id, 2992 device->lun_id); 2993 else 2994 status = CAM_REQ_CMP_ERR; 2995 2996 if (status == CAM_REQ_CMP) { 2997 2998 /* 2999 * Allow transfer negotiation to occur in a 3000 * tag free environment and after settle delay. 3001 */ 3002 if (async_code == AC_SENT_BDR 3003 || async_code == AC_BUS_RESET) { 3004 cam_freeze_devq(&newpath); 3005 cam_release_devq(&newpath, 3006 RELSIM_RELEASE_AFTER_TIMEOUT, 3007 /*reduction*/0, 3008 /*timeout*/scsi_delay, 3009 /*getcount_only*/0); 3010 scsi_toggle_tags(&newpath); 3011 } 3012 3013 if (async_code == AC_INQ_CHANGED) { 3014 /* 3015 * We've sent a start unit command, or 3016 * something similar to a device that 3017 * may have caused its inquiry data to 3018 * change. So we re-scan the device to 3019 * refresh the inquiry data for it. 3020 */ 3021 scsi_scan_lun(newpath.periph, &newpath, 3022 CAM_EXPECT_INQ_CHANGE, NULL); 3023 } 3024 xpt_release_path(&newpath); 3025 } else if (async_code == AC_LOST_DEVICE && 3026 (device->flags & CAM_DEV_UNCONFIGURED) == 0) { 3027 device->flags |= CAM_DEV_UNCONFIGURED; 3028 xpt_release_device(device); 3029 } else if (async_code == AC_TRANSFER_NEG) { 3030 struct ccb_trans_settings *settings; 3031 struct cam_path path; 3032 3033 settings = (struct ccb_trans_settings *)async_arg; 3034 xpt_compile_path(&path, NULL, bus->path_id, target->target_id, 3035 device->lun_id); 3036 scsi_set_transfer_settings(settings, &path, 3037 /*async_update*/TRUE); 3038 xpt_release_path(&path); 3039 } 3040 } 3041 3042 static void 3043 _scsi_announce_periph(struct cam_periph *periph, u_int *speed, u_int *freq, struct ccb_trans_settings *cts) 3044 { 3045 struct ccb_pathinq cpi; 3046 struct cam_path *path = periph->path; 3047 3048 cam_periph_assert(periph, MA_OWNED); 3049 3050 xpt_setup_ccb(&cts->ccb_h, path, CAM_PRIORITY_NORMAL); 3051 cts->ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 3052 cts->type = CTS_TYPE_CURRENT_SETTINGS; 3053 xpt_action((union ccb*)cts); 3054 if (cam_ccb_status((union ccb *)cts) != CAM_REQ_CMP) 3055 return; 3056 3057 /* Ask the SIM for its base transfer speed */ 3058 xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NORMAL); 3059 cpi.ccb_h.func_code = XPT_PATH_INQ; 3060 xpt_action((union ccb *)&cpi); 3061 3062 /* Report connection speed */ 3063 *speed = cpi.base_transfer_speed; 3064 *freq = 0; 3065 3066 if (cts->ccb_h.status == CAM_REQ_CMP && cts->transport == XPORT_SPI) { 3067 struct ccb_trans_settings_spi *spi = 3068 &cts->xport_specific.spi; 3069 3070 if ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) != 0 3071 && spi->sync_offset != 0) { 3072 *freq = scsi_calc_syncsrate(spi->sync_period); 3073 *speed = *freq; 3074 } 3075 if ((spi->valid & CTS_SPI_VALID_BUS_WIDTH) != 0) 3076 *speed *= (0x01 << spi->bus_width); 3077 } 3078 if (cts->ccb_h.status == CAM_REQ_CMP && cts->transport == XPORT_FC) { 3079 struct ccb_trans_settings_fc *fc = 3080 &cts->xport_specific.fc; 3081 3082 if (fc->valid & CTS_FC_VALID_SPEED) 3083 *speed = fc->bitrate; 3084 } 3085 if (cts->ccb_h.status == CAM_REQ_CMP && cts->transport == XPORT_SAS) { 3086 struct ccb_trans_settings_sas *sas = 3087 &cts->xport_specific.sas; 3088 3089 if (sas->valid & CTS_SAS_VALID_SPEED) 3090 *speed = sas->bitrate; 3091 } 3092 } 3093 3094 static void 3095 scsi_announce_periph_sbuf(struct cam_periph *periph, struct sbuf *sb) 3096 { 3097 struct ccb_trans_settings cts; 3098 u_int speed, freq, mb; 3099 3100 _scsi_announce_periph(periph, &speed, &freq, &cts); 3101 if (cam_ccb_status((union ccb *)&cts) != CAM_REQ_CMP) 3102 return; 3103 3104 mb = speed / 1000; 3105 if (mb > 0) 3106 sbuf_printf(sb, "%s%d: %d.%03dMB/s transfers", 3107 periph->periph_name, periph->unit_number, 3108 mb, speed % 1000); 3109 else 3110 sbuf_printf(sb, "%s%d: %dKB/s transfers", periph->periph_name, 3111 periph->unit_number, speed); 3112 /* Report additional information about SPI connections */ 3113 if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_SPI) { 3114 struct ccb_trans_settings_spi *spi; 3115 3116 spi = &cts.xport_specific.spi; 3117 if (freq != 0) { 3118 sbuf_printf(sb, " (%d.%03dMHz%s, offset %d", freq / 1000, 3119 freq % 1000, 3120 (spi->ppr_options & MSG_EXT_PPR_DT_REQ) != 0 3121 ? " DT" : "", 3122 spi->sync_offset); 3123 } 3124 if ((spi->valid & CTS_SPI_VALID_BUS_WIDTH) != 0 3125 && spi->bus_width > 0) { 3126 if (freq != 0) { 3127 sbuf_printf(sb, ", "); 3128 } else { 3129 sbuf_printf(sb, " ("); 3130 } 3131 sbuf_printf(sb, "%dbit)", 8 * (0x01 << spi->bus_width)); 3132 } else if (freq != 0) { 3133 sbuf_printf(sb, ")"); 3134 } 3135 } 3136 if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_FC) { 3137 struct ccb_trans_settings_fc *fc; 3138 3139 fc = &cts.xport_specific.fc; 3140 if (fc->valid & CTS_FC_VALID_WWNN) 3141 sbuf_printf(sb, " WWNN 0x%llx", (long long) fc->wwnn); 3142 if (fc->valid & CTS_FC_VALID_WWPN) 3143 sbuf_printf(sb, " WWPN 0x%llx", (long long) fc->wwpn); 3144 if (fc->valid & CTS_FC_VALID_PORT) 3145 sbuf_printf(sb, " PortID 0x%x", fc->port); 3146 } 3147 sbuf_printf(sb, "\n"); 3148 } 3149 3150 static void 3151 scsi_announce_periph(struct cam_periph *periph) 3152 { 3153 struct ccb_trans_settings cts; 3154 u_int speed, freq, mb; 3155 3156 _scsi_announce_periph(periph, &speed, &freq, &cts); 3157 if (cam_ccb_status((union ccb *)&cts) != CAM_REQ_CMP) 3158 return; 3159 3160 mb = speed / 1000; 3161 if (mb > 0) 3162 printf("%s%d: %d.%03dMB/s transfers", 3163 periph->periph_name, periph->unit_number, 3164 mb, speed % 1000); 3165 else 3166 printf("%s%d: %dKB/s transfers", periph->periph_name, 3167 periph->unit_number, speed); 3168 /* Report additional information about SPI connections */ 3169 if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_SPI) { 3170 struct ccb_trans_settings_spi *spi; 3171 3172 spi = &cts.xport_specific.spi; 3173 if (freq != 0) { 3174 printf(" (%d.%03dMHz%s, offset %d", freq / 1000, 3175 freq % 1000, 3176 (spi->ppr_options & MSG_EXT_PPR_DT_REQ) != 0 3177 ? " DT" : "", 3178 spi->sync_offset); 3179 } 3180 if ((spi->valid & CTS_SPI_VALID_BUS_WIDTH) != 0 3181 && spi->bus_width > 0) { 3182 if (freq != 0) { 3183 printf(", "); 3184 } else { 3185 printf(" ("); 3186 } 3187 printf("%dbit)", 8 * (0x01 << spi->bus_width)); 3188 } else if (freq != 0) { 3189 printf(")"); 3190 } 3191 } 3192 if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_FC) { 3193 struct ccb_trans_settings_fc *fc; 3194 3195 fc = &cts.xport_specific.fc; 3196 if (fc->valid & CTS_FC_VALID_WWNN) 3197 printf(" WWNN 0x%llx", (long long) fc->wwnn); 3198 if (fc->valid & CTS_FC_VALID_WWPN) 3199 printf(" WWPN 0x%llx", (long long) fc->wwpn); 3200 if (fc->valid & CTS_FC_VALID_PORT) 3201 printf(" PortID 0x%x", fc->port); 3202 } 3203 printf("\n"); 3204 } 3205 3206 static void 3207 scsi_proto_announce_sbuf(struct cam_ed *device, struct sbuf *sb) 3208 { 3209 scsi_print_inquiry_sbuf(sb, &device->inq_data); 3210 } 3211 3212 static void 3213 scsi_proto_announce(struct cam_ed *device) 3214 { 3215 scsi_print_inquiry(&device->inq_data); 3216 } 3217 3218 static void 3219 scsi_proto_denounce_sbuf(struct cam_ed *device, struct sbuf *sb) 3220 { 3221 scsi_print_inquiry_short_sbuf(sb, &device->inq_data); 3222 } 3223 3224 static void 3225 scsi_proto_denounce(struct cam_ed *device) 3226 { 3227 scsi_print_inquiry_short(&device->inq_data); 3228 } 3229 3230 static void 3231 scsi_proto_debug_out(union ccb *ccb) 3232 { 3233 char cdb_str[(SCSI_MAX_CDBLEN * 3) + 1]; 3234 struct cam_ed *device; 3235 3236 if (ccb->ccb_h.func_code != XPT_SCSI_IO) 3237 return; 3238 3239 device = ccb->ccb_h.path->device; 3240 CAM_DEBUG(ccb->ccb_h.path, 3241 CAM_DEBUG_CDB,("%s. CDB: %s\n", 3242 scsi_op_desc(scsiio_cdb_ptr(&ccb->csio)[0], &device->inq_data), 3243 scsi_cdb_string(scsiio_cdb_ptr(&ccb->csio), cdb_str, sizeof(cdb_str)))); 3244 } 3245