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