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