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 { T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic", "STORAGE DEVICE*", "120?" }, 551 CAM_QUIRK_NORPTLUNS, /*mintags*/2, /*maxtags*/255 552 }, 553 { 554 { T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic", "MassStorageClass", "1533" }, 555 CAM_QUIRK_NORPTLUNS, /*mintags*/2, /*maxtags*/255 556 }, 557 { 558 /* Default tagged queuing parameters for all devices */ 559 { 560 T_ANY, SIP_MEDIA_REMOVABLE|SIP_MEDIA_FIXED, 561 /*vendor*/"*", /*product*/"*", /*revision*/"*" 562 }, 563 /*quirks*/0, /*mintags*/2, /*maxtags*/255 564 }, 565 }; 566 567 static cam_status proberegister(struct cam_periph *periph, 568 void *arg); 569 static void probeschedule(struct cam_periph *probe_periph); 570 static void probestart(struct cam_periph *periph, union ccb *start_ccb); 571 static void proberequestdefaultnegotiation(struct cam_periph *periph); 572 static int proberequestbackoff(struct cam_periph *periph, 573 struct cam_ed *device); 574 static void probedone(struct cam_periph *periph, union ccb *done_ccb); 575 static void probe_purge_old(struct cam_path *path, 576 struct scsi_report_luns_data *new, 577 probe_flags flags); 578 static void probecleanup(struct cam_periph *periph); 579 static void scsi_find_quirk(struct cam_ed *device); 580 static void scsi_scan_bus(struct cam_periph *periph, union ccb *ccb); 581 static void scsi_scan_lun(struct cam_periph *periph, 582 struct cam_path *path, cam_flags flags, 583 union ccb *ccb); 584 static void xptscandone(struct cam_periph *periph, union ccb *done_ccb); 585 static struct cam_ed * 586 scsi_alloc_device(struct cam_eb *bus, struct cam_et *target, 587 lun_id_t lun_id); 588 static void scsi_devise_transport(struct cam_path *path); 589 static void scsi_set_transfer_settings(struct ccb_trans_settings *cts, 590 struct cam_path *path, 591 int async_update); 592 static void scsi_toggle_tags(struct cam_path *path); 593 static void scsi_dev_async(u_int32_t async_code, 594 struct cam_eb *bus, 595 struct cam_et *target, 596 struct cam_ed *device, 597 void *async_arg); 598 static void scsi_action(union ccb *start_ccb); 599 static void scsi_announce_periph(struct cam_periph *periph); 600 static void scsi_announce_periph_sbuf(struct cam_periph *periph, struct sbuf *sb); 601 static void scsi_proto_announce(struct cam_ed *device); 602 static void scsi_proto_announce_sbuf(struct cam_ed *device, 603 struct sbuf *sb); 604 static void scsi_proto_denounce(struct cam_ed *device); 605 static void scsi_proto_denounce_sbuf(struct cam_ed *device, 606 struct sbuf *sb); 607 static void scsi_proto_debug_out(union ccb *ccb); 608 static void _scsi_announce_periph(struct cam_periph *, u_int *, u_int *, struct ccb_trans_settings *); 609 610 static struct xpt_xport_ops scsi_xport_ops = { 611 .alloc_device = scsi_alloc_device, 612 .action = scsi_action, 613 .async = scsi_dev_async, 614 .announce = scsi_announce_periph, 615 .announce_sbuf = scsi_announce_periph_sbuf, 616 }; 617 #define SCSI_XPT_XPORT(x, X) \ 618 static struct xpt_xport scsi_xport_ ## x = { \ 619 .xport = XPORT_ ## X, \ 620 .name = #x, \ 621 .ops = &scsi_xport_ops, \ 622 }; \ 623 CAM_XPT_XPORT(scsi_xport_ ## x); 624 625 SCSI_XPT_XPORT(spi, SPI); 626 SCSI_XPT_XPORT(sas, SAS); 627 SCSI_XPT_XPORT(fc, FC); 628 SCSI_XPT_XPORT(usb, USB); 629 SCSI_XPT_XPORT(iscsi, ISCSI); 630 SCSI_XPT_XPORT(srp, SRP); 631 SCSI_XPT_XPORT(ppb, PPB); 632 633 #undef SCSI_XPORT_XPORT 634 635 static struct xpt_proto_ops scsi_proto_ops = { 636 .announce = scsi_proto_announce, 637 .announce_sbuf = scsi_proto_announce_sbuf, 638 .denounce = scsi_proto_denounce, 639 .denounce_sbuf = scsi_proto_denounce_sbuf, 640 .debug_out = scsi_proto_debug_out, 641 }; 642 static struct xpt_proto scsi_proto = { 643 .proto = PROTO_SCSI, 644 .name = "scsi", 645 .ops = &scsi_proto_ops, 646 }; 647 CAM_XPT_PROTO(scsi_proto); 648 649 static void 650 probe_periph_init() 651 { 652 } 653 654 static cam_status 655 proberegister(struct cam_periph *periph, void *arg) 656 { 657 union ccb *request_ccb; /* CCB representing the probe request */ 658 cam_status status; 659 probe_softc *softc; 660 661 request_ccb = (union ccb *)arg; 662 if (request_ccb == NULL) { 663 printf("proberegister: no probe CCB, " 664 "can't register device\n"); 665 return(CAM_REQ_CMP_ERR); 666 } 667 668 softc = (probe_softc *)malloc(sizeof(*softc), M_CAMXPT, M_NOWAIT); 669 670 if (softc == NULL) { 671 printf("proberegister: Unable to probe new device. " 672 "Unable to allocate softc\n"); 673 return(CAM_REQ_CMP_ERR); 674 } 675 TAILQ_INIT(&softc->request_ccbs); 676 TAILQ_INSERT_TAIL(&softc->request_ccbs, &request_ccb->ccb_h, 677 periph_links.tqe); 678 softc->flags = 0; 679 periph->softc = softc; 680 softc->periph = periph; 681 softc->action = PROBE_INVALID; 682 status = cam_periph_acquire(periph); 683 if (status != CAM_REQ_CMP) { 684 return (status); 685 } 686 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, ("Probe started\n")); 687 scsi_devise_transport(periph->path); 688 689 /* 690 * Ensure we've waited at least a bus settle 691 * delay before attempting to probe the device. 692 * For HBAs that don't do bus resets, this won't make a difference. 693 */ 694 cam_periph_freeze_after_event(periph, &periph->path->bus->last_reset, 695 scsi_delay); 696 probeschedule(periph); 697 return(CAM_REQ_CMP); 698 } 699 700 static void 701 probeschedule(struct cam_periph *periph) 702 { 703 struct ccb_pathinq cpi; 704 union ccb *ccb; 705 probe_softc *softc; 706 707 softc = (probe_softc *)periph->softc; 708 ccb = (union ccb *)TAILQ_FIRST(&softc->request_ccbs); 709 710 xpt_setup_ccb(&cpi.ccb_h, periph->path, CAM_PRIORITY_NONE); 711 cpi.ccb_h.func_code = XPT_PATH_INQ; 712 xpt_action((union ccb *)&cpi); 713 714 /* 715 * If a device has gone away and another device, or the same one, 716 * is back in the same place, it should have a unit attention 717 * condition pending. It will not report the unit attention in 718 * response to an inquiry, which may leave invalid transfer 719 * negotiations in effect. The TUR will reveal the unit attention 720 * condition. Only send the TUR for lun 0, since some devices 721 * will get confused by commands other than inquiry to non-existent 722 * luns. If you think a device has gone away start your scan from 723 * lun 0. This will insure that any bogus transfer settings are 724 * invalidated. 725 * 726 * If we haven't seen the device before and the controller supports 727 * some kind of transfer negotiation, negotiate with the first 728 * sent command if no bus reset was performed at startup. This 729 * ensures that the device is not confused by transfer negotiation 730 * settings left over by loader or BIOS action. 731 */ 732 if (((ccb->ccb_h.path->device->flags & CAM_DEV_UNCONFIGURED) == 0) 733 && (ccb->ccb_h.target_lun == 0)) { 734 PROBE_SET_ACTION(softc, PROBE_TUR); 735 } else if ((cpi.hba_inquiry & (PI_WIDE_32|PI_WIDE_16|PI_SDTR_ABLE)) != 0 736 && (cpi.hba_misc & PIM_NOBUSRESET) != 0) { 737 proberequestdefaultnegotiation(periph); 738 PROBE_SET_ACTION(softc, PROBE_INQUIRY); 739 } else { 740 PROBE_SET_ACTION(softc, PROBE_INQUIRY); 741 } 742 743 if (ccb->crcn.flags & CAM_EXPECT_INQ_CHANGE) 744 softc->flags |= PROBE_NO_ANNOUNCE; 745 else 746 softc->flags &= ~PROBE_NO_ANNOUNCE; 747 748 if (cpi.hba_misc & PIM_EXTLUNS) 749 softc->flags |= PROBE_EXTLUN; 750 else 751 softc->flags &= ~PROBE_EXTLUN; 752 753 xpt_schedule(periph, CAM_PRIORITY_XPT); 754 } 755 756 static void 757 probestart(struct cam_periph *periph, union ccb *start_ccb) 758 { 759 /* Probe the device that our peripheral driver points to */ 760 struct ccb_scsiio *csio; 761 probe_softc *softc; 762 763 CAM_DEBUG(start_ccb->ccb_h.path, CAM_DEBUG_TRACE, ("probestart\n")); 764 765 softc = (probe_softc *)periph->softc; 766 csio = &start_ccb->csio; 767 again: 768 769 switch (softc->action) { 770 case PROBE_TUR: 771 case PROBE_TUR_FOR_NEGOTIATION: 772 case PROBE_DV_EXIT: 773 { 774 scsi_test_unit_ready(csio, 775 /*retries*/4, 776 probedone, 777 MSG_SIMPLE_Q_TAG, 778 SSD_FULL_SIZE, 779 /*timeout*/60000); 780 break; 781 } 782 case PROBE_INQUIRY: 783 case PROBE_FULL_INQUIRY: 784 case PROBE_INQUIRY_BASIC_DV1: 785 case PROBE_INQUIRY_BASIC_DV2: 786 { 787 u_int inquiry_len; 788 struct scsi_inquiry_data *inq_buf; 789 790 inq_buf = &periph->path->device->inq_data; 791 792 /* 793 * If the device is currently configured, we calculate an 794 * MD5 checksum of the inquiry data, and if the serial number 795 * length is greater than 0, add the serial number data 796 * into the checksum as well. Once the inquiry and the 797 * serial number check finish, we attempt to figure out 798 * whether we still have the same device. 799 */ 800 if (((periph->path->device->flags & CAM_DEV_UNCONFIGURED) == 0) 801 && ((softc->flags & PROBE_INQUIRY_CKSUM) == 0)) { 802 803 MD5Init(&softc->context); 804 MD5Update(&softc->context, (unsigned char *)inq_buf, 805 sizeof(struct scsi_inquiry_data)); 806 softc->flags |= PROBE_INQUIRY_CKSUM; 807 if (periph->path->device->serial_num_len > 0) { 808 MD5Update(&softc->context, 809 periph->path->device->serial_num, 810 periph->path->device->serial_num_len); 811 softc->flags |= PROBE_SERIAL_CKSUM; 812 } 813 MD5Final(softc->digest, &softc->context); 814 } 815 816 if (softc->action == PROBE_INQUIRY) 817 inquiry_len = SHORT_INQUIRY_LENGTH; 818 else 819 inquiry_len = SID_ADDITIONAL_LENGTH(inq_buf); 820 821 /* 822 * Some parallel SCSI devices fail to send an 823 * ignore wide residue message when dealing with 824 * odd length inquiry requests. Round up to be 825 * safe. 826 */ 827 inquiry_len = roundup2(inquiry_len, 2); 828 829 if (softc->action == PROBE_INQUIRY_BASIC_DV1 830 || softc->action == PROBE_INQUIRY_BASIC_DV2) { 831 inq_buf = malloc(inquiry_len, M_CAMXPT, M_NOWAIT); 832 } 833 if (inq_buf == NULL) { 834 xpt_print(periph->path, "malloc failure- skipping Basic" 835 "Domain Validation\n"); 836 PROBE_SET_ACTION(softc, PROBE_DV_EXIT); 837 scsi_test_unit_ready(csio, 838 /*retries*/4, 839 probedone, 840 MSG_SIMPLE_Q_TAG, 841 SSD_FULL_SIZE, 842 /*timeout*/60000); 843 break; 844 } 845 scsi_inquiry(csio, 846 /*retries*/4, 847 probedone, 848 MSG_SIMPLE_Q_TAG, 849 (u_int8_t *)inq_buf, 850 inquiry_len, 851 /*evpd*/FALSE, 852 /*page_code*/0, 853 SSD_MIN_SIZE, 854 /*timeout*/60 * 1000); 855 break; 856 } 857 case PROBE_REPORT_LUNS: 858 { 859 void *rp; 860 861 rp = malloc(periph->path->target->rpl_size, 862 M_CAMXPT, M_NOWAIT | M_ZERO); 863 if (rp == NULL) { 864 struct scsi_inquiry_data *inq_buf; 865 inq_buf = &periph->path->device->inq_data; 866 xpt_print(periph->path, 867 "Unable to alloc report luns storage\n"); 868 if (INQ_DATA_TQ_ENABLED(inq_buf)) 869 PROBE_SET_ACTION(softc, PROBE_MODE_SENSE); 870 else 871 PROBE_SET_ACTION(softc, 872 PROBE_SUPPORTED_VPD_LIST); 873 goto again; 874 } 875 scsi_report_luns(csio, 5, probedone, MSG_SIMPLE_Q_TAG, 876 RPL_REPORT_DEFAULT, rp, periph->path->target->rpl_size, 877 SSD_FULL_SIZE, 60000); break; 878 break; 879 } 880 case PROBE_MODE_SENSE: 881 { 882 void *mode_buf; 883 int mode_buf_len; 884 885 mode_buf_len = sizeof(struct scsi_mode_header_6) 886 + sizeof(struct scsi_mode_blk_desc) 887 + sizeof(struct scsi_control_page); 888 mode_buf = malloc(mode_buf_len, M_CAMXPT, M_NOWAIT); 889 if (mode_buf != NULL) { 890 scsi_mode_sense(csio, 891 /*retries*/4, 892 probedone, 893 MSG_SIMPLE_Q_TAG, 894 /*dbd*/FALSE, 895 SMS_PAGE_CTRL_CURRENT, 896 SMS_CONTROL_MODE_PAGE, 897 mode_buf, 898 mode_buf_len, 899 SSD_FULL_SIZE, 900 /*timeout*/60000); 901 break; 902 } 903 xpt_print(periph->path, "Unable to mode sense control page - " 904 "malloc failure\n"); 905 PROBE_SET_ACTION(softc, PROBE_SUPPORTED_VPD_LIST); 906 } 907 /* FALLTHROUGH */ 908 case PROBE_SUPPORTED_VPD_LIST: 909 { 910 struct scsi_vpd_supported_page_list *vpd_list; 911 struct cam_ed *device; 912 913 vpd_list = NULL; 914 device = periph->path->device; 915 916 if ((SCSI_QUIRK(device)->quirks & CAM_QUIRK_NOVPDS) == 0) 917 vpd_list = malloc(sizeof(*vpd_list), M_CAMXPT, 918 M_NOWAIT | M_ZERO); 919 920 if (vpd_list != NULL) { 921 scsi_inquiry(csio, 922 /*retries*/4, 923 probedone, 924 MSG_SIMPLE_Q_TAG, 925 (u_int8_t *)vpd_list, 926 sizeof(*vpd_list), 927 /*evpd*/TRUE, 928 SVPD_SUPPORTED_PAGE_LIST, 929 SSD_MIN_SIZE, 930 /*timeout*/60 * 1000); 931 break; 932 } 933 done: 934 /* 935 * We'll have to do without, let our probedone 936 * routine finish up for us. 937 */ 938 start_ccb->csio.data_ptr = NULL; 939 cam_freeze_devq(periph->path); 940 cam_periph_doacquire(periph); 941 probedone(periph, start_ccb); 942 return; 943 } 944 case PROBE_DEVICE_ID: 945 { 946 struct scsi_vpd_device_id *devid; 947 948 devid = NULL; 949 if (scsi_vpd_supported_page(periph, SVPD_DEVICE_ID)) 950 devid = malloc(SVPD_DEVICE_ID_MAX_SIZE, M_CAMXPT, 951 M_NOWAIT | M_ZERO); 952 953 if (devid != NULL) { 954 scsi_inquiry(csio, 955 /*retries*/4, 956 probedone, 957 MSG_SIMPLE_Q_TAG, 958 (uint8_t *)devid, 959 SVPD_DEVICE_ID_MAX_SIZE, 960 /*evpd*/TRUE, 961 SVPD_DEVICE_ID, 962 SSD_MIN_SIZE, 963 /*timeout*/60 * 1000); 964 break; 965 } 966 goto done; 967 } 968 case PROBE_EXTENDED_INQUIRY: 969 { 970 struct scsi_vpd_extended_inquiry_data *ext_inq; 971 972 ext_inq = NULL; 973 if (scsi_vpd_supported_page(periph, SVPD_EXTENDED_INQUIRY_DATA)) 974 ext_inq = malloc(sizeof(*ext_inq), M_CAMXPT, 975 M_NOWAIT | M_ZERO); 976 977 if (ext_inq != NULL) { 978 scsi_inquiry(csio, 979 /*retries*/4, 980 probedone, 981 MSG_SIMPLE_Q_TAG, 982 (uint8_t *)ext_inq, 983 sizeof(*ext_inq), 984 /*evpd*/TRUE, 985 SVPD_EXTENDED_INQUIRY_DATA, 986 SSD_MIN_SIZE, 987 /*timeout*/60 * 1000); 988 break; 989 } 990 /* 991 * We'll have to do without, let our probedone 992 * routine finish up for us. 993 */ 994 goto done; 995 } 996 case PROBE_SERIAL_NUM: 997 { 998 struct scsi_vpd_unit_serial_number *serial_buf; 999 struct cam_ed* device; 1000 1001 serial_buf = NULL; 1002 device = periph->path->device; 1003 if (device->serial_num != NULL) { 1004 free(device->serial_num, M_CAMXPT); 1005 device->serial_num = NULL; 1006 device->serial_num_len = 0; 1007 } 1008 1009 if (scsi_vpd_supported_page(periph, SVPD_UNIT_SERIAL_NUMBER)) 1010 serial_buf = (struct scsi_vpd_unit_serial_number *) 1011 malloc(sizeof(*serial_buf), M_CAMXPT, 1012 M_NOWAIT|M_ZERO); 1013 1014 if (serial_buf != NULL) { 1015 scsi_inquiry(csio, 1016 /*retries*/4, 1017 probedone, 1018 MSG_SIMPLE_Q_TAG, 1019 (u_int8_t *)serial_buf, 1020 sizeof(*serial_buf), 1021 /*evpd*/TRUE, 1022 SVPD_UNIT_SERIAL_NUMBER, 1023 SSD_MIN_SIZE, 1024 /*timeout*/60 * 1000); 1025 break; 1026 } 1027 goto done; 1028 } 1029 default: 1030 panic("probestart: invalid action state 0x%x\n", softc->action); 1031 } 1032 start_ccb->ccb_h.flags |= CAM_DEV_QFREEZE; 1033 cam_periph_doacquire(periph); 1034 xpt_action(start_ccb); 1035 } 1036 1037 static void 1038 proberequestdefaultnegotiation(struct cam_periph *periph) 1039 { 1040 struct ccb_trans_settings cts; 1041 1042 xpt_setup_ccb(&cts.ccb_h, periph->path, CAM_PRIORITY_NONE); 1043 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 1044 cts.type = CTS_TYPE_USER_SETTINGS; 1045 xpt_action((union ccb *)&cts); 1046 if (cam_ccb_status((union ccb *)&cts) != CAM_REQ_CMP) { 1047 return; 1048 } 1049 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 1050 cts.type = CTS_TYPE_CURRENT_SETTINGS; 1051 xpt_action((union ccb *)&cts); 1052 } 1053 1054 /* 1055 * Backoff Negotiation Code- only pertinent for SPI devices. 1056 */ 1057 static int 1058 proberequestbackoff(struct cam_periph *periph, struct cam_ed *device) 1059 { 1060 struct ccb_trans_settings cts; 1061 struct ccb_trans_settings_spi *spi; 1062 1063 memset(&cts, 0, sizeof (cts)); 1064 xpt_setup_ccb(&cts.ccb_h, periph->path, CAM_PRIORITY_NONE); 1065 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 1066 cts.type = CTS_TYPE_CURRENT_SETTINGS; 1067 xpt_action((union ccb *)&cts); 1068 if (cam_ccb_status((union ccb *)&cts) != CAM_REQ_CMP) { 1069 if (bootverbose) { 1070 xpt_print(periph->path, 1071 "failed to get current device settings\n"); 1072 } 1073 return (0); 1074 } 1075 if (cts.transport != XPORT_SPI) { 1076 if (bootverbose) { 1077 xpt_print(periph->path, "not SPI transport\n"); 1078 } 1079 return (0); 1080 } 1081 spi = &cts.xport_specific.spi; 1082 1083 /* 1084 * We cannot renegotiate sync rate if we don't have one. 1085 */ 1086 if ((spi->valid & CTS_SPI_VALID_SYNC_RATE) == 0) { 1087 if (bootverbose) { 1088 xpt_print(periph->path, "no sync rate known\n"); 1089 } 1090 return (0); 1091 } 1092 1093 /* 1094 * We'll assert that we don't have to touch PPR options- the 1095 * SIM will see what we do with period and offset and adjust 1096 * the PPR options as appropriate. 1097 */ 1098 1099 /* 1100 * A sync rate with unknown or zero offset is nonsensical. 1101 * A sync period of zero means Async. 1102 */ 1103 if ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) == 0 1104 || spi->sync_offset == 0 || spi->sync_period == 0) { 1105 if (bootverbose) { 1106 xpt_print(periph->path, "no sync rate available\n"); 1107 } 1108 return (0); 1109 } 1110 1111 if (device->flags & CAM_DEV_DV_HIT_BOTTOM) { 1112 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, 1113 ("hit async: giving up on DV\n")); 1114 return (0); 1115 } 1116 1117 1118 /* 1119 * Jump sync_period up by one, but stop at 5MHz and fall back to Async. 1120 * We don't try to remember 'last' settings to see if the SIM actually 1121 * gets into the speed we want to set. We check on the SIM telling 1122 * us that a requested speed is bad, but otherwise don't try and 1123 * check the speed due to the asynchronous and handshake nature 1124 * of speed setting. 1125 */ 1126 spi->valid = CTS_SPI_VALID_SYNC_RATE | CTS_SPI_VALID_SYNC_OFFSET; 1127 for (;;) { 1128 spi->sync_period++; 1129 if (spi->sync_period >= 0xf) { 1130 spi->sync_period = 0; 1131 spi->sync_offset = 0; 1132 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, 1133 ("setting to async for DV\n")); 1134 /* 1135 * Once we hit async, we don't want to try 1136 * any more settings. 1137 */ 1138 device->flags |= CAM_DEV_DV_HIT_BOTTOM; 1139 } else if (bootverbose) { 1140 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, 1141 ("DV: period 0x%x\n", spi->sync_period)); 1142 printf("setting period to 0x%x\n", spi->sync_period); 1143 } 1144 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 1145 cts.type = CTS_TYPE_CURRENT_SETTINGS; 1146 xpt_action((union ccb *)&cts); 1147 if (cam_ccb_status((union ccb *)&cts) != CAM_REQ_CMP) { 1148 break; 1149 } 1150 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, 1151 ("DV: failed to set period 0x%x\n", spi->sync_period)); 1152 if (spi->sync_period == 0) { 1153 return (0); 1154 } 1155 } 1156 return (1); 1157 } 1158 1159 #define CCB_COMPLETED_OK(ccb) (((ccb).status & CAM_STATUS_MASK) == CAM_REQ_CMP) 1160 1161 static void 1162 probedone(struct cam_periph *periph, union ccb *done_ccb) 1163 { 1164 probe_softc *softc; 1165 struct cam_path *path; 1166 struct scsi_inquiry_data *inq_buf; 1167 u_int32_t priority; 1168 1169 CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_TRACE, ("probedone\n")); 1170 1171 softc = (probe_softc *)periph->softc; 1172 path = done_ccb->ccb_h.path; 1173 priority = done_ccb->ccb_h.pinfo.priority; 1174 cam_periph_assert(periph, MA_OWNED); 1175 1176 switch (softc->action) { 1177 case PROBE_TUR: 1178 { 1179 if (cam_ccb_status(done_ccb) != CAM_REQ_CMP) { 1180 1181 if (cam_periph_error(done_ccb, 0, 1182 SF_NO_PRINT, NULL) == ERESTART) { 1183 outr: 1184 /* Drop freeze taken due to CAM_DEV_QFREEZE */ 1185 cam_release_devq(path, 0, 0, 0, FALSE); 1186 return; 1187 } 1188 else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 1189 /* Don't wedge the queue */ 1190 xpt_release_devq(done_ccb->ccb_h.path, 1191 /*count*/1, 1192 /*run_queue*/TRUE); 1193 } 1194 PROBE_SET_ACTION(softc, PROBE_INQUIRY); 1195 xpt_release_ccb(done_ccb); 1196 xpt_schedule(periph, priority); 1197 out: 1198 /* Drop freeze taken due to CAM_DEV_QFREEZE and release. */ 1199 cam_release_devq(path, 0, 0, 0, FALSE); 1200 cam_periph_release_locked(periph); 1201 return; 1202 } 1203 case PROBE_INQUIRY: 1204 case PROBE_FULL_INQUIRY: 1205 { 1206 if (cam_ccb_status(done_ccb) == CAM_REQ_CMP) { 1207 u_int8_t periph_qual; 1208 1209 path->device->flags |= CAM_DEV_INQUIRY_DATA_VALID; 1210 scsi_find_quirk(path->device); 1211 inq_buf = &path->device->inq_data; 1212 1213 periph_qual = SID_QUAL(inq_buf); 1214 1215 if (periph_qual == SID_QUAL_LU_CONNECTED || 1216 periph_qual == SID_QUAL_LU_OFFLINE) { 1217 u_int8_t len; 1218 1219 /* 1220 * We conservatively request only 1221 * SHORT_INQUIRY_LEN bytes of inquiry 1222 * information during our first try 1223 * at sending an INQUIRY. If the device 1224 * has more information to give, 1225 * perform a second request specifying 1226 * the amount of information the device 1227 * is willing to give. 1228 */ 1229 len = inq_buf->additional_length 1230 + offsetof(struct scsi_inquiry_data, 1231 additional_length) + 1; 1232 if (softc->action == PROBE_INQUIRY 1233 && len > SHORT_INQUIRY_LENGTH) { 1234 PROBE_SET_ACTION(softc, PROBE_FULL_INQUIRY); 1235 xpt_release_ccb(done_ccb); 1236 xpt_schedule(periph, priority); 1237 goto out; 1238 } 1239 1240 scsi_devise_transport(path); 1241 1242 if (path->device->lun_id == 0 && 1243 SID_ANSI_REV(inq_buf) > SCSI_REV_SPC2 && 1244 (SCSI_QUIRK(path->device)->quirks & 1245 CAM_QUIRK_NORPTLUNS) == 0) { 1246 PROBE_SET_ACTION(softc, 1247 PROBE_REPORT_LUNS); 1248 /* 1249 * Start with room for *one* lun. 1250 */ 1251 periph->path->target->rpl_size = 16; 1252 } else if (INQ_DATA_TQ_ENABLED(inq_buf)) 1253 PROBE_SET_ACTION(softc, 1254 PROBE_MODE_SENSE); 1255 else 1256 PROBE_SET_ACTION(softc, 1257 PROBE_SUPPORTED_VPD_LIST); 1258 1259 if (path->device->flags & CAM_DEV_UNCONFIGURED) { 1260 path->device->flags &= ~CAM_DEV_UNCONFIGURED; 1261 xpt_acquire_device(path->device); 1262 } 1263 xpt_release_ccb(done_ccb); 1264 xpt_schedule(periph, priority); 1265 goto out; 1266 } else if (path->device->lun_id == 0 && 1267 SID_ANSI_REV(inq_buf) >= SCSI_REV_SPC2 && 1268 (SCSI_QUIRK(path->device)->quirks & 1269 CAM_QUIRK_NORPTLUNS) == 0) { 1270 PROBE_SET_ACTION(softc, PROBE_REPORT_LUNS); 1271 periph->path->target->rpl_size = 16; 1272 xpt_release_ccb(done_ccb); 1273 xpt_schedule(periph, priority); 1274 goto out; 1275 } 1276 } else if (cam_periph_error(done_ccb, 0, 1277 done_ccb->ccb_h.target_lun > 0 1278 ? SF_RETRY_UA|SF_QUIET_IR 1279 : SF_RETRY_UA, 1280 &softc->saved_ccb) == ERESTART) { 1281 goto outr; 1282 } else { 1283 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1284 /* Don't wedge the queue */ 1285 xpt_release_devq(done_ccb->ccb_h.path, 1286 /*count*/1, /*run_queue*/TRUE); 1287 } 1288 path->device->flags &= ~CAM_DEV_INQUIRY_DATA_VALID; 1289 } 1290 /* 1291 * If we get to this point, we got an error status back 1292 * from the inquiry and the error status doesn't require 1293 * automatically retrying the command. Therefore, the 1294 * inquiry failed. If we had inquiry information before 1295 * for this device, but this latest inquiry command failed, 1296 * the device has probably gone away. If this device isn't 1297 * already marked unconfigured, notify the peripheral 1298 * drivers that this device is no more. 1299 */ 1300 if ((path->device->flags & CAM_DEV_UNCONFIGURED) == 0) 1301 /* Send the async notification. */ 1302 xpt_async(AC_LOST_DEVICE, path, NULL); 1303 PROBE_SET_ACTION(softc, PROBE_INVALID); 1304 1305 xpt_release_ccb(done_ccb); 1306 break; 1307 } 1308 case PROBE_REPORT_LUNS: 1309 { 1310 struct ccb_scsiio *csio; 1311 struct scsi_report_luns_data *lp; 1312 u_int nlun, maxlun; 1313 1314 csio = &done_ccb->csio; 1315 1316 lp = (struct scsi_report_luns_data *)csio->data_ptr; 1317 nlun = scsi_4btoul(lp->length) / 8; 1318 maxlun = (csio->dxfer_len / 8) - 1; 1319 1320 if (cam_ccb_status(done_ccb) != CAM_REQ_CMP) { 1321 if (cam_periph_error(done_ccb, 0, 1322 done_ccb->ccb_h.target_lun > 0 ? 1323 SF_RETRY_UA|SF_QUIET_IR : SF_RETRY_UA, 1324 &softc->saved_ccb) == ERESTART) { 1325 goto outr; 1326 } 1327 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1328 xpt_release_devq(done_ccb->ccb_h.path, 1, 1329 TRUE); 1330 } 1331 free(lp, M_CAMXPT); 1332 lp = NULL; 1333 } else if (nlun > maxlun) { 1334 /* 1335 * Reallocate and retry to cover all luns 1336 */ 1337 CAM_DEBUG(path, CAM_DEBUG_PROBE, 1338 ("Probe: reallocating REPORT_LUNS for %u luns\n", 1339 nlun)); 1340 free(lp, M_CAMXPT); 1341 path->target->rpl_size = (nlun << 3) + 8; 1342 xpt_release_ccb(done_ccb); 1343 xpt_schedule(periph, priority); 1344 goto out; 1345 } else if (nlun == 0) { 1346 /* 1347 * If there don't appear to be any luns, bail. 1348 */ 1349 free(lp, M_CAMXPT); 1350 lp = NULL; 1351 } else { 1352 lun_id_t lun; 1353 int idx; 1354 1355 CAM_DEBUG(path, CAM_DEBUG_PROBE, 1356 ("Probe: %u lun(s) reported\n", nlun)); 1357 1358 CAM_GET_LUN(lp, 0, lun); 1359 /* 1360 * If the first lun is not lun 0, then either there 1361 * is no lun 0 in the list, or the list is unsorted. 1362 */ 1363 if (lun != 0) { 1364 for (idx = 0; idx < nlun; idx++) { 1365 CAM_GET_LUN(lp, idx, lun); 1366 if (lun == 0) { 1367 break; 1368 } 1369 } 1370 if (idx != nlun) { 1371 uint8_t tlun[8]; 1372 memcpy(tlun, 1373 lp->luns[0].lundata, 8); 1374 memcpy(lp->luns[0].lundata, 1375 lp->luns[idx].lundata, 8); 1376 memcpy(lp->luns[idx].lundata, 1377 tlun, 8); 1378 CAM_DEBUG(path, CAM_DEBUG_PROBE, 1379 ("lun 0 in position %u\n", idx)); 1380 } 1381 } 1382 /* 1383 * If we have an old lun list, We can either 1384 * retest luns that appear to have been dropped, 1385 * or just nuke them. We'll opt for the latter. 1386 * This function will also install the new list 1387 * in the target structure. 1388 */ 1389 probe_purge_old(path, lp, softc->flags); 1390 lp = NULL; 1391 } 1392 inq_buf = &path->device->inq_data; 1393 if (path->device->flags & CAM_DEV_INQUIRY_DATA_VALID && 1394 (SID_QUAL(inq_buf) == SID_QUAL_LU_CONNECTED || 1395 SID_QUAL(inq_buf) == SID_QUAL_LU_OFFLINE)) { 1396 if (INQ_DATA_TQ_ENABLED(inq_buf)) 1397 PROBE_SET_ACTION(softc, PROBE_MODE_SENSE); 1398 else 1399 PROBE_SET_ACTION(softc, 1400 PROBE_SUPPORTED_VPD_LIST); 1401 xpt_release_ccb(done_ccb); 1402 xpt_schedule(periph, priority); 1403 goto out; 1404 } 1405 if (lp) { 1406 free(lp, M_CAMXPT); 1407 } 1408 PROBE_SET_ACTION(softc, PROBE_INVALID); 1409 xpt_release_ccb(done_ccb); 1410 break; 1411 } 1412 case PROBE_MODE_SENSE: 1413 { 1414 struct ccb_scsiio *csio; 1415 struct scsi_mode_header_6 *mode_hdr; 1416 1417 csio = &done_ccb->csio; 1418 mode_hdr = (struct scsi_mode_header_6 *)csio->data_ptr; 1419 if (cam_ccb_status(done_ccb) == CAM_REQ_CMP) { 1420 struct scsi_control_page *page; 1421 u_int8_t *offset; 1422 1423 offset = ((u_int8_t *)&mode_hdr[1]) 1424 + mode_hdr->blk_desc_len; 1425 page = (struct scsi_control_page *)offset; 1426 path->device->queue_flags = page->queue_flags; 1427 } else if (cam_periph_error(done_ccb, 0, 1428 SF_RETRY_UA|SF_NO_PRINT, 1429 &softc->saved_ccb) == ERESTART) { 1430 goto outr; 1431 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1432 /* Don't wedge the queue */ 1433 xpt_release_devq(done_ccb->ccb_h.path, 1434 /*count*/1, /*run_queue*/TRUE); 1435 } 1436 xpt_release_ccb(done_ccb); 1437 free(mode_hdr, M_CAMXPT); 1438 PROBE_SET_ACTION(softc, PROBE_SUPPORTED_VPD_LIST); 1439 xpt_schedule(periph, priority); 1440 goto out; 1441 } 1442 case PROBE_SUPPORTED_VPD_LIST: 1443 { 1444 struct ccb_scsiio *csio; 1445 struct scsi_vpd_supported_page_list *page_list; 1446 1447 csio = &done_ccb->csio; 1448 page_list = 1449 (struct scsi_vpd_supported_page_list *)csio->data_ptr; 1450 1451 if (path->device->supported_vpds != NULL) { 1452 free(path->device->supported_vpds, M_CAMXPT); 1453 path->device->supported_vpds = NULL; 1454 path->device->supported_vpds_len = 0; 1455 } 1456 1457 if (page_list == NULL) { 1458 /* 1459 * Don't process the command as it was never sent 1460 */ 1461 } else if (CCB_COMPLETED_OK(csio->ccb_h)) { 1462 /* Got vpd list */ 1463 path->device->supported_vpds_len = page_list->length + 1464 SVPD_SUPPORTED_PAGES_HDR_LEN; 1465 path->device->supported_vpds = (uint8_t *)page_list; 1466 xpt_release_ccb(done_ccb); 1467 PROBE_SET_ACTION(softc, PROBE_DEVICE_ID); 1468 xpt_schedule(periph, priority); 1469 goto out; 1470 } else if (cam_periph_error(done_ccb, 0, 1471 SF_RETRY_UA|SF_NO_PRINT, 1472 &softc->saved_ccb) == ERESTART) { 1473 goto outr; 1474 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1475 /* Don't wedge the queue */ 1476 xpt_release_devq(done_ccb->ccb_h.path, /*count*/1, 1477 /*run_queue*/TRUE); 1478 } 1479 1480 if (page_list) 1481 free(page_list, M_CAMXPT); 1482 /* No VPDs available, skip to device check. */ 1483 csio->data_ptr = NULL; 1484 goto probe_device_check; 1485 } 1486 case PROBE_DEVICE_ID: 1487 { 1488 struct scsi_vpd_device_id *devid; 1489 struct ccb_scsiio *csio; 1490 uint32_t length = 0; 1491 1492 csio = &done_ccb->csio; 1493 devid = (struct scsi_vpd_device_id *)csio->data_ptr; 1494 1495 /* Clean up from previous instance of this device */ 1496 if (path->device->device_id != NULL) { 1497 path->device->device_id_len = 0; 1498 free(path->device->device_id, M_CAMXPT); 1499 path->device->device_id = NULL; 1500 } 1501 1502 if (devid == NULL) { 1503 /* Don't process the command as it was never sent */ 1504 } else if (CCB_COMPLETED_OK(csio->ccb_h)) { 1505 length = scsi_2btoul(devid->length); 1506 if (length != 0) { 1507 /* 1508 * NB: device_id_len is actual response 1509 * size, not buffer size. 1510 */ 1511 path->device->device_id_len = length + 1512 SVPD_DEVICE_ID_HDR_LEN; 1513 path->device->device_id = (uint8_t *)devid; 1514 } 1515 } else if (cam_periph_error(done_ccb, 0, 1516 SF_RETRY_UA, 1517 &softc->saved_ccb) == ERESTART) { 1518 goto outr; 1519 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1520 /* Don't wedge the queue */ 1521 xpt_release_devq(done_ccb->ccb_h.path, /*count*/1, 1522 /*run_queue*/TRUE); 1523 } 1524 1525 /* Free the device id space if we don't use it */ 1526 if (devid && length == 0) 1527 free(devid, M_CAMXPT); 1528 xpt_release_ccb(done_ccb); 1529 PROBE_SET_ACTION(softc, PROBE_EXTENDED_INQUIRY); 1530 xpt_schedule(periph, priority); 1531 goto out; 1532 } 1533 case PROBE_EXTENDED_INQUIRY: { 1534 struct scsi_vpd_extended_inquiry_data *ext_inq; 1535 struct ccb_scsiio *csio; 1536 int32_t length = 0; 1537 1538 csio = &done_ccb->csio; 1539 ext_inq = (struct scsi_vpd_extended_inquiry_data *) 1540 csio->data_ptr; 1541 if (path->device->ext_inq != NULL) { 1542 path->device->ext_inq_len = 0; 1543 free(path->device->ext_inq, M_CAMXPT); 1544 path->device->ext_inq = NULL; 1545 } 1546 1547 if (ext_inq == NULL) { 1548 /* Don't process the command as it was never sent */ 1549 } else if (CCB_COMPLETED_OK(csio->ccb_h)) { 1550 length = scsi_2btoul(ext_inq->page_length) + 1551 __offsetof(struct scsi_vpd_extended_inquiry_data, 1552 flags1); 1553 length = min(length, sizeof(*ext_inq)); 1554 length -= csio->resid; 1555 if (length > 0) { 1556 path->device->ext_inq_len = length; 1557 path->device->ext_inq = (uint8_t *)ext_inq; 1558 } 1559 } else if (cam_periph_error(done_ccb, 0, 1560 SF_RETRY_UA, 1561 &softc->saved_ccb) == ERESTART) { 1562 goto outr; 1563 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1564 /* Don't wedge the queue */ 1565 xpt_release_devq(done_ccb->ccb_h.path, /*count*/1, 1566 /*run_queue*/TRUE); 1567 } 1568 1569 /* Free the device id space if we don't use it */ 1570 if (ext_inq && length <= 0) 1571 free(ext_inq, M_CAMXPT); 1572 xpt_release_ccb(done_ccb); 1573 PROBE_SET_ACTION(softc, PROBE_SERIAL_NUM); 1574 xpt_schedule(periph, priority); 1575 goto out; 1576 } 1577 1578 probe_device_check: 1579 case PROBE_SERIAL_NUM: 1580 { 1581 struct ccb_scsiio *csio; 1582 struct scsi_vpd_unit_serial_number *serial_buf; 1583 u_int32_t priority; 1584 int changed; 1585 int have_serialnum; 1586 1587 changed = 1; 1588 have_serialnum = 0; 1589 csio = &done_ccb->csio; 1590 priority = done_ccb->ccb_h.pinfo.priority; 1591 serial_buf = 1592 (struct scsi_vpd_unit_serial_number *)csio->data_ptr; 1593 1594 if (serial_buf == NULL) { 1595 /* 1596 * Don't process the command as it was never sent 1597 */ 1598 } else if (cam_ccb_status(done_ccb) == CAM_REQ_CMP 1599 && (serial_buf->length > 0)) { 1600 1601 have_serialnum = 1; 1602 path->device->serial_num = 1603 (u_int8_t *)malloc((serial_buf->length + 1), 1604 M_CAMXPT, M_NOWAIT); 1605 if (path->device->serial_num != NULL) { 1606 int start, slen; 1607 1608 start = strspn(serial_buf->serial_num, " "); 1609 slen = serial_buf->length - start; 1610 if (slen <= 0) { 1611 /* 1612 * SPC5r05 says that an all-space serial 1613 * number means no product serial number 1614 * is available 1615 */ 1616 slen = 0; 1617 } 1618 memcpy(path->device->serial_num, 1619 &serial_buf->serial_num[start], slen); 1620 path->device->serial_num_len = slen; 1621 path->device->serial_num[slen] = '\0'; 1622 } 1623 } else if (cam_periph_error(done_ccb, 0, 1624 SF_RETRY_UA|SF_NO_PRINT, 1625 &softc->saved_ccb) == ERESTART) { 1626 goto outr; 1627 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1628 /* Don't wedge the queue */ 1629 xpt_release_devq(done_ccb->ccb_h.path, /*count*/1, 1630 /*run_queue*/TRUE); 1631 } 1632 1633 /* 1634 * Let's see if we have seen this device before. 1635 */ 1636 if ((softc->flags & PROBE_INQUIRY_CKSUM) != 0) { 1637 MD5_CTX context; 1638 u_int8_t digest[16]; 1639 1640 MD5Init(&context); 1641 1642 MD5Update(&context, 1643 (unsigned char *)&path->device->inq_data, 1644 sizeof(struct scsi_inquiry_data)); 1645 1646 if (have_serialnum) 1647 MD5Update(&context, path->device->serial_num, 1648 path->device->serial_num_len); 1649 1650 MD5Final(digest, &context); 1651 if (bcmp(softc->digest, digest, 16) == 0) 1652 changed = 0; 1653 1654 /* 1655 * XXX Do we need to do a TUR in order to ensure 1656 * that the device really hasn't changed??? 1657 */ 1658 if ((changed != 0) 1659 && ((softc->flags & PROBE_NO_ANNOUNCE) == 0)) 1660 xpt_async(AC_LOST_DEVICE, path, NULL); 1661 } 1662 if (serial_buf != NULL) 1663 free(serial_buf, M_CAMXPT); 1664 1665 if (changed != 0) { 1666 /* 1667 * Now that we have all the necessary 1668 * information to safely perform transfer 1669 * negotiations... Controllers don't perform 1670 * any negotiation or tagged queuing until 1671 * after the first XPT_SET_TRAN_SETTINGS ccb is 1672 * received. So, on a new device, just retrieve 1673 * the user settings, and set them as the current 1674 * settings to set the device up. 1675 */ 1676 proberequestdefaultnegotiation(periph); 1677 xpt_release_ccb(done_ccb); 1678 1679 /* 1680 * Perform a TUR to allow the controller to 1681 * perform any necessary transfer negotiation. 1682 */ 1683 PROBE_SET_ACTION(softc, PROBE_TUR_FOR_NEGOTIATION); 1684 xpt_schedule(periph, priority); 1685 goto out; 1686 } 1687 xpt_release_ccb(done_ccb); 1688 break; 1689 } 1690 case PROBE_TUR_FOR_NEGOTIATION: 1691 case PROBE_DV_EXIT: 1692 if (cam_ccb_status(done_ccb) != CAM_REQ_CMP) { 1693 cam_periph_error(done_ccb, 0, 1694 SF_NO_PRINT | SF_NO_RECOVERY | SF_NO_RETRY, NULL); 1695 } 1696 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1697 /* Don't wedge the queue */ 1698 xpt_release_devq(done_ccb->ccb_h.path, /*count*/1, 1699 /*run_queue*/TRUE); 1700 } 1701 /* 1702 * Do Domain Validation for lun 0 on devices that claim 1703 * to support Synchronous Transfer modes. 1704 */ 1705 if (softc->action == PROBE_TUR_FOR_NEGOTIATION 1706 && done_ccb->ccb_h.target_lun == 0 1707 && (path->device->inq_data.flags & SID_Sync) != 0 1708 && (path->device->flags & CAM_DEV_IN_DV) == 0) { 1709 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, 1710 ("Begin Domain Validation\n")); 1711 path->device->flags |= CAM_DEV_IN_DV; 1712 xpt_release_ccb(done_ccb); 1713 PROBE_SET_ACTION(softc, PROBE_INQUIRY_BASIC_DV1); 1714 xpt_schedule(periph, priority); 1715 goto out; 1716 } 1717 if (softc->action == PROBE_DV_EXIT) { 1718 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, 1719 ("Leave Domain Validation\n")); 1720 } 1721 if (path->device->flags & CAM_DEV_UNCONFIGURED) { 1722 path->device->flags &= ~CAM_DEV_UNCONFIGURED; 1723 xpt_acquire_device(path->device); 1724 } 1725 path->device->flags &= 1726 ~(CAM_DEV_IN_DV|CAM_DEV_DV_HIT_BOTTOM); 1727 if ((softc->flags & PROBE_NO_ANNOUNCE) == 0) { 1728 /* Inform the XPT that a new device has been found */ 1729 done_ccb->ccb_h.func_code = XPT_GDEV_TYPE; 1730 xpt_action(done_ccb); 1731 xpt_async(AC_FOUND_DEVICE, done_ccb->ccb_h.path, 1732 done_ccb); 1733 } 1734 PROBE_SET_ACTION(softc, PROBE_DONE); 1735 xpt_release_ccb(done_ccb); 1736 break; 1737 case PROBE_INQUIRY_BASIC_DV1: 1738 case PROBE_INQUIRY_BASIC_DV2: 1739 { 1740 struct scsi_inquiry_data *nbuf; 1741 struct ccb_scsiio *csio; 1742 1743 if (cam_ccb_status(done_ccb) != CAM_REQ_CMP) { 1744 cam_periph_error(done_ccb, 0, 1745 SF_NO_PRINT | SF_NO_RECOVERY | SF_NO_RETRY, NULL); 1746 } 1747 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1748 /* Don't wedge the queue */ 1749 xpt_release_devq(done_ccb->ccb_h.path, /*count*/1, 1750 /*run_queue*/TRUE); 1751 } 1752 csio = &done_ccb->csio; 1753 nbuf = (struct scsi_inquiry_data *)csio->data_ptr; 1754 if (bcmp(nbuf, &path->device->inq_data, SHORT_INQUIRY_LENGTH)) { 1755 xpt_print(path, 1756 "inquiry data fails comparison at DV%d step\n", 1757 softc->action == PROBE_INQUIRY_BASIC_DV1 ? 1 : 2); 1758 if (proberequestbackoff(periph, path->device)) { 1759 path->device->flags &= ~CAM_DEV_IN_DV; 1760 PROBE_SET_ACTION(softc, PROBE_TUR_FOR_NEGOTIATION); 1761 } else { 1762 /* give up */ 1763 PROBE_SET_ACTION(softc, PROBE_DV_EXIT); 1764 } 1765 free(nbuf, M_CAMXPT); 1766 xpt_release_ccb(done_ccb); 1767 xpt_schedule(periph, priority); 1768 goto out; 1769 } 1770 free(nbuf, M_CAMXPT); 1771 if (softc->action == PROBE_INQUIRY_BASIC_DV1) { 1772 PROBE_SET_ACTION(softc, PROBE_INQUIRY_BASIC_DV2); 1773 xpt_release_ccb(done_ccb); 1774 xpt_schedule(periph, priority); 1775 goto out; 1776 } 1777 if (softc->action == PROBE_INQUIRY_BASIC_DV2) { 1778 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, 1779 ("Leave Domain Validation Successfully\n")); 1780 } 1781 if (path->device->flags & CAM_DEV_UNCONFIGURED) { 1782 path->device->flags &= ~CAM_DEV_UNCONFIGURED; 1783 xpt_acquire_device(path->device); 1784 } 1785 path->device->flags &= 1786 ~(CAM_DEV_IN_DV|CAM_DEV_DV_HIT_BOTTOM); 1787 if ((softc->flags & PROBE_NO_ANNOUNCE) == 0) { 1788 /* Inform the XPT that a new device has been found */ 1789 done_ccb->ccb_h.func_code = XPT_GDEV_TYPE; 1790 xpt_action(done_ccb); 1791 xpt_async(AC_FOUND_DEVICE, done_ccb->ccb_h.path, 1792 done_ccb); 1793 } 1794 PROBE_SET_ACTION(softc, PROBE_DONE); 1795 xpt_release_ccb(done_ccb); 1796 break; 1797 } 1798 default: 1799 panic("probedone: invalid action state 0x%x\n", softc->action); 1800 } 1801 done_ccb = (union ccb *)TAILQ_FIRST(&softc->request_ccbs); 1802 TAILQ_REMOVE(&softc->request_ccbs, &done_ccb->ccb_h, periph_links.tqe); 1803 done_ccb->ccb_h.status = CAM_REQ_CMP; 1804 xpt_done(done_ccb); 1805 if (TAILQ_FIRST(&softc->request_ccbs) == NULL) { 1806 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, ("Probe completed\n")); 1807 /* Drop freeze taken due to CAM_DEV_QFREEZE flag set. */ 1808 cam_release_devq(path, 0, 0, 0, FALSE); 1809 cam_periph_release_locked(periph); 1810 cam_periph_invalidate(periph); 1811 cam_periph_release_locked(periph); 1812 } else { 1813 probeschedule(periph); 1814 goto out; 1815 } 1816 } 1817 1818 static void 1819 probe_purge_old(struct cam_path *path, struct scsi_report_luns_data *new, 1820 probe_flags flags) 1821 { 1822 struct cam_path *tp; 1823 struct scsi_report_luns_data *old; 1824 u_int idx1, idx2, nlun_old, nlun_new; 1825 lun_id_t this_lun; 1826 u_int8_t *ol, *nl; 1827 1828 if (path->target == NULL) { 1829 return; 1830 } 1831 mtx_lock(&path->target->luns_mtx); 1832 old = path->target->luns; 1833 path->target->luns = new; 1834 mtx_unlock(&path->target->luns_mtx); 1835 if (old == NULL) 1836 return; 1837 nlun_old = scsi_4btoul(old->length) / 8; 1838 nlun_new = scsi_4btoul(new->length) / 8; 1839 1840 /* 1841 * We are not going to assume sorted lists. Deal. 1842 */ 1843 for (idx1 = 0; idx1 < nlun_old; idx1++) { 1844 ol = old->luns[idx1].lundata; 1845 for (idx2 = 0; idx2 < nlun_new; idx2++) { 1846 nl = new->luns[idx2].lundata; 1847 if (memcmp(nl, ol, 8) == 0) { 1848 break; 1849 } 1850 } 1851 if (idx2 < nlun_new) { 1852 continue; 1853 } 1854 /* 1855 * An 'old' item not in the 'new' list. 1856 * Nuke it. Except that if it is lun 0, 1857 * that would be what the probe state 1858 * machine is currently working on, 1859 * so we won't do that. 1860 */ 1861 CAM_GET_LUN(old, idx1, this_lun); 1862 if (this_lun == 0) { 1863 continue; 1864 } 1865 1866 /* 1867 * We also cannot nuke it if it is 1868 * not in a lun format we understand 1869 * and replace the LUN with a "simple" LUN 1870 * if that is all the HBA supports. 1871 */ 1872 if (!(flags & PROBE_EXTLUN)) { 1873 if (!CAM_CAN_GET_SIMPLE_LUN(old, idx1)) 1874 continue; 1875 CAM_GET_SIMPLE_LUN(old, idx1, this_lun); 1876 } 1877 1878 if (xpt_create_path(&tp, NULL, xpt_path_path_id(path), 1879 xpt_path_target_id(path), this_lun) == CAM_REQ_CMP) { 1880 xpt_async(AC_LOST_DEVICE, tp, NULL); 1881 xpt_free_path(tp); 1882 } 1883 } 1884 free(old, M_CAMXPT); 1885 } 1886 1887 static void 1888 probecleanup(struct cam_periph *periph) 1889 { 1890 free(periph->softc, M_CAMXPT); 1891 } 1892 1893 static void 1894 scsi_find_quirk(struct cam_ed *device) 1895 { 1896 struct scsi_quirk_entry *quirk; 1897 caddr_t match; 1898 1899 match = cam_quirkmatch((caddr_t)&device->inq_data, 1900 (caddr_t)scsi_quirk_table, 1901 nitems(scsi_quirk_table), 1902 sizeof(*scsi_quirk_table), scsi_inquiry_match); 1903 1904 if (match == NULL) 1905 panic("xpt_find_quirk: device didn't match wildcard entry!!"); 1906 1907 quirk = (struct scsi_quirk_entry *)match; 1908 device->quirk = quirk; 1909 device->mintags = quirk->mintags; 1910 device->maxtags = quirk->maxtags; 1911 } 1912 1913 static int 1914 sysctl_cam_search_luns(SYSCTL_HANDLER_ARGS) 1915 { 1916 int error, val; 1917 1918 val = cam_srch_hi; 1919 error = sysctl_handle_int(oidp, &val, 0, req); 1920 if (error != 0 || req->newptr == NULL) 1921 return (error); 1922 if (val == 0 || val == 1) { 1923 cam_srch_hi = val; 1924 return (0); 1925 } else { 1926 return (EINVAL); 1927 } 1928 } 1929 1930 typedef struct { 1931 union ccb *request_ccb; 1932 struct ccb_pathinq *cpi; 1933 int counter; 1934 int lunindex[0]; 1935 } scsi_scan_bus_info; 1936 1937 /* 1938 * To start a scan, request_ccb is an XPT_SCAN_BUS ccb. 1939 * As the scan progresses, scsi_scan_bus is used as the 1940 * callback on completion function. 1941 */ 1942 static void 1943 scsi_scan_bus(struct cam_periph *periph, union ccb *request_ccb) 1944 { 1945 struct mtx *mtx; 1946 1947 CAM_DEBUG(request_ccb->ccb_h.path, CAM_DEBUG_TRACE, 1948 ("scsi_scan_bus\n")); 1949 switch (request_ccb->ccb_h.func_code) { 1950 case XPT_SCAN_BUS: 1951 case XPT_SCAN_TGT: 1952 { 1953 scsi_scan_bus_info *scan_info; 1954 union ccb *work_ccb, *reset_ccb; 1955 struct cam_path *path; 1956 u_int i; 1957 u_int low_target, max_target; 1958 u_int initiator_id; 1959 1960 /* Find out the characteristics of the bus */ 1961 work_ccb = xpt_alloc_ccb_nowait(); 1962 if (work_ccb == NULL) { 1963 request_ccb->ccb_h.status = CAM_RESRC_UNAVAIL; 1964 xpt_done(request_ccb); 1965 return; 1966 } 1967 xpt_setup_ccb(&work_ccb->ccb_h, request_ccb->ccb_h.path, 1968 request_ccb->ccb_h.pinfo.priority); 1969 work_ccb->ccb_h.func_code = XPT_PATH_INQ; 1970 xpt_action(work_ccb); 1971 if (work_ccb->ccb_h.status != CAM_REQ_CMP) { 1972 request_ccb->ccb_h.status = work_ccb->ccb_h.status; 1973 xpt_free_ccb(work_ccb); 1974 xpt_done(request_ccb); 1975 return; 1976 } 1977 1978 if ((work_ccb->cpi.hba_misc & PIM_NOINITIATOR) != 0) { 1979 /* 1980 * Can't scan the bus on an adapter that 1981 * cannot perform the initiator role. 1982 */ 1983 request_ccb->ccb_h.status = CAM_REQ_CMP; 1984 xpt_free_ccb(work_ccb); 1985 xpt_done(request_ccb); 1986 return; 1987 } 1988 1989 /* We may need to reset bus first, if we haven't done it yet. */ 1990 if ((work_ccb->cpi.hba_inquiry & 1991 (PI_WIDE_32|PI_WIDE_16|PI_SDTR_ABLE)) && 1992 !(work_ccb->cpi.hba_misc & PIM_NOBUSRESET) && 1993 !timevalisset(&request_ccb->ccb_h.path->bus->last_reset) && 1994 (reset_ccb = xpt_alloc_ccb_nowait()) != NULL) { 1995 xpt_setup_ccb(&reset_ccb->ccb_h, request_ccb->ccb_h.path, 1996 CAM_PRIORITY_NONE); 1997 reset_ccb->ccb_h.func_code = XPT_RESET_BUS; 1998 xpt_action(reset_ccb); 1999 if (reset_ccb->ccb_h.status != CAM_REQ_CMP) { 2000 request_ccb->ccb_h.status = reset_ccb->ccb_h.status; 2001 xpt_free_ccb(reset_ccb); 2002 xpt_free_ccb(work_ccb); 2003 xpt_done(request_ccb); 2004 return; 2005 } 2006 xpt_free_ccb(reset_ccb); 2007 } 2008 2009 /* Save some state for use while we probe for devices */ 2010 scan_info = (scsi_scan_bus_info *) malloc(sizeof(scsi_scan_bus_info) + 2011 (work_ccb->cpi.max_target * sizeof (u_int)), M_CAMXPT, M_ZERO|M_NOWAIT); 2012 if (scan_info == NULL) { 2013 request_ccb->ccb_h.status = CAM_RESRC_UNAVAIL; 2014 xpt_free_ccb(work_ccb); 2015 xpt_done(request_ccb); 2016 return; 2017 } 2018 CAM_DEBUG(request_ccb->ccb_h.path, CAM_DEBUG_TRACE, 2019 ("SCAN start for %p\n", scan_info)); 2020 scan_info->request_ccb = request_ccb; 2021 scan_info->cpi = &work_ccb->cpi; 2022 2023 /* Cache on our stack so we can work asynchronously */ 2024 max_target = scan_info->cpi->max_target; 2025 low_target = 0; 2026 initiator_id = scan_info->cpi->initiator_id; 2027 2028 2029 /* 2030 * We can scan all targets in parallel, or do it sequentially. 2031 */ 2032 2033 if (request_ccb->ccb_h.func_code == XPT_SCAN_TGT) { 2034 max_target = low_target = request_ccb->ccb_h.target_id; 2035 scan_info->counter = 0; 2036 } else if (scan_info->cpi->hba_misc & PIM_SEQSCAN) { 2037 max_target = 0; 2038 scan_info->counter = 0; 2039 } else { 2040 scan_info->counter = scan_info->cpi->max_target + 1; 2041 if (scan_info->cpi->initiator_id < scan_info->counter) { 2042 scan_info->counter--; 2043 } 2044 } 2045 mtx = xpt_path_mtx(scan_info->request_ccb->ccb_h.path); 2046 mtx_unlock(mtx); 2047 2048 for (i = low_target; i <= max_target; i++) { 2049 cam_status status; 2050 if (i == initiator_id) 2051 continue; 2052 2053 status = xpt_create_path(&path, NULL, 2054 request_ccb->ccb_h.path_id, 2055 i, 0); 2056 if (status != CAM_REQ_CMP) { 2057 printf("scsi_scan_bus: xpt_create_path failed" 2058 " with status %#x, bus scan halted\n", 2059 status); 2060 free(scan_info, M_CAMXPT); 2061 request_ccb->ccb_h.status = status; 2062 xpt_free_ccb(work_ccb); 2063 xpt_done(request_ccb); 2064 break; 2065 } 2066 work_ccb = xpt_alloc_ccb_nowait(); 2067 if (work_ccb == NULL) { 2068 xpt_free_ccb((union ccb *)scan_info->cpi); 2069 free(scan_info, M_CAMXPT); 2070 xpt_free_path(path); 2071 request_ccb->ccb_h.status = CAM_RESRC_UNAVAIL; 2072 xpt_done(request_ccb); 2073 break; 2074 } 2075 xpt_setup_ccb(&work_ccb->ccb_h, path, 2076 request_ccb->ccb_h.pinfo.priority); 2077 work_ccb->ccb_h.func_code = XPT_SCAN_LUN; 2078 work_ccb->ccb_h.cbfcnp = scsi_scan_bus; 2079 work_ccb->ccb_h.flags |= CAM_UNLOCKED; 2080 work_ccb->ccb_h.ppriv_ptr0 = scan_info; 2081 work_ccb->crcn.flags = request_ccb->crcn.flags; 2082 xpt_action(work_ccb); 2083 } 2084 2085 mtx_lock(mtx); 2086 break; 2087 } 2088 case XPT_SCAN_LUN: 2089 { 2090 cam_status status; 2091 struct cam_path *path, *oldpath; 2092 scsi_scan_bus_info *scan_info; 2093 struct cam_et *target; 2094 struct cam_ed *device, *nextdev; 2095 int next_target; 2096 path_id_t path_id; 2097 target_id_t target_id; 2098 lun_id_t lun_id; 2099 2100 oldpath = request_ccb->ccb_h.path; 2101 2102 status = cam_ccb_status(request_ccb); 2103 scan_info = (scsi_scan_bus_info *)request_ccb->ccb_h.ppriv_ptr0; 2104 path_id = request_ccb->ccb_h.path_id; 2105 target_id = request_ccb->ccb_h.target_id; 2106 lun_id = request_ccb->ccb_h.target_lun; 2107 target = request_ccb->ccb_h.path->target; 2108 next_target = 1; 2109 2110 mtx = xpt_path_mtx(scan_info->request_ccb->ccb_h.path); 2111 mtx_lock(mtx); 2112 mtx_lock(&target->luns_mtx); 2113 if (target->luns) { 2114 lun_id_t first; 2115 u_int nluns = scsi_4btoul(target->luns->length) / 8; 2116 2117 /* 2118 * Make sure we skip over lun 0 if it's the first member 2119 * of the list as we've actually just finished probing 2120 * it. 2121 */ 2122 CAM_GET_LUN(target->luns, 0, first); 2123 if (first == 0 && scan_info->lunindex[target_id] == 0) { 2124 scan_info->lunindex[target_id]++; 2125 } 2126 2127 /* 2128 * Skip any LUNs that the HBA can't deal with. 2129 */ 2130 while (scan_info->lunindex[target_id] < nluns) { 2131 if (scan_info->cpi->hba_misc & PIM_EXTLUNS) { 2132 CAM_GET_LUN(target->luns, 2133 scan_info->lunindex[target_id], 2134 lun_id); 2135 break; 2136 } 2137 2138 if (CAM_CAN_GET_SIMPLE_LUN(target->luns, 2139 scan_info->lunindex[target_id])) { 2140 CAM_GET_SIMPLE_LUN(target->luns, 2141 scan_info->lunindex[target_id], 2142 lun_id); 2143 break; 2144 } 2145 2146 scan_info->lunindex[target_id]++; 2147 } 2148 2149 if (scan_info->lunindex[target_id] < nluns) { 2150 mtx_unlock(&target->luns_mtx); 2151 next_target = 0; 2152 CAM_DEBUG(request_ccb->ccb_h.path, 2153 CAM_DEBUG_PROBE, 2154 ("next lun to try at index %u is %jx\n", 2155 scan_info->lunindex[target_id], 2156 (uintmax_t)lun_id)); 2157 scan_info->lunindex[target_id]++; 2158 } else { 2159 mtx_unlock(&target->luns_mtx); 2160 /* We're done with scanning all luns. */ 2161 } 2162 } else { 2163 mtx_unlock(&target->luns_mtx); 2164 device = request_ccb->ccb_h.path->device; 2165 /* Continue sequential LUN scan if: */ 2166 /* -- we have more LUNs that need recheck */ 2167 mtx_lock(&target->bus->eb_mtx); 2168 nextdev = device; 2169 while ((nextdev = TAILQ_NEXT(nextdev, links)) != NULL) 2170 if ((nextdev->flags & CAM_DEV_UNCONFIGURED) == 0) 2171 break; 2172 mtx_unlock(&target->bus->eb_mtx); 2173 if (nextdev != NULL) { 2174 next_target = 0; 2175 /* -- stop if CAM_QUIRK_NOLUNS is set. */ 2176 } else if (SCSI_QUIRK(device)->quirks & CAM_QUIRK_NOLUNS) { 2177 next_target = 1; 2178 /* -- this LUN is connected and its SCSI version 2179 * allows more LUNs. */ 2180 } else if ((device->flags & CAM_DEV_UNCONFIGURED) == 0) { 2181 if (lun_id < (CAM_SCSI2_MAXLUN-1) || 2182 CAN_SRCH_HI_DENSE(device)) 2183 next_target = 0; 2184 /* -- this LUN is disconnected, its SCSI version 2185 * allows more LUNs and we guess they may be. */ 2186 } else if ((device->flags & CAM_DEV_INQUIRY_DATA_VALID) != 0) { 2187 if (lun_id < (CAM_SCSI2_MAXLUN-1) || 2188 CAN_SRCH_HI_SPARSE(device)) 2189 next_target = 0; 2190 } 2191 if (next_target == 0) { 2192 lun_id++; 2193 if (lun_id > scan_info->cpi->max_lun) 2194 next_target = 1; 2195 } 2196 } 2197 2198 /* 2199 * Check to see if we scan any further luns. 2200 */ 2201 if (next_target) { 2202 int done; 2203 2204 /* 2205 * Free the current request path- we're done with it. 2206 */ 2207 xpt_free_path(oldpath); 2208 hop_again: 2209 done = 0; 2210 if (scan_info->request_ccb->ccb_h.func_code == XPT_SCAN_TGT) { 2211 done = 1; 2212 } else if (scan_info->cpi->hba_misc & PIM_SEQSCAN) { 2213 scan_info->counter++; 2214 if (scan_info->counter == 2215 scan_info->cpi->initiator_id) { 2216 scan_info->counter++; 2217 } 2218 if (scan_info->counter >= 2219 scan_info->cpi->max_target+1) { 2220 done = 1; 2221 } 2222 } else { 2223 scan_info->counter--; 2224 if (scan_info->counter == 0) { 2225 done = 1; 2226 } 2227 } 2228 if (done) { 2229 mtx_unlock(mtx); 2230 xpt_free_ccb(request_ccb); 2231 xpt_free_ccb((union ccb *)scan_info->cpi); 2232 request_ccb = scan_info->request_ccb; 2233 CAM_DEBUG(request_ccb->ccb_h.path, 2234 CAM_DEBUG_TRACE, 2235 ("SCAN done for %p\n", scan_info)); 2236 free(scan_info, M_CAMXPT); 2237 request_ccb->ccb_h.status = CAM_REQ_CMP; 2238 xpt_done(request_ccb); 2239 break; 2240 } 2241 2242 if ((scan_info->cpi->hba_misc & PIM_SEQSCAN) == 0) { 2243 mtx_unlock(mtx); 2244 xpt_free_ccb(request_ccb); 2245 break; 2246 } 2247 status = xpt_create_path(&path, NULL, 2248 scan_info->request_ccb->ccb_h.path_id, 2249 scan_info->counter, 0); 2250 if (status != CAM_REQ_CMP) { 2251 mtx_unlock(mtx); 2252 printf("scsi_scan_bus: xpt_create_path failed" 2253 " with status %#x, bus scan halted\n", 2254 status); 2255 xpt_free_ccb(request_ccb); 2256 xpt_free_ccb((union ccb *)scan_info->cpi); 2257 request_ccb = scan_info->request_ccb; 2258 free(scan_info, M_CAMXPT); 2259 request_ccb->ccb_h.status = status; 2260 xpt_done(request_ccb); 2261 break; 2262 } 2263 xpt_setup_ccb(&request_ccb->ccb_h, path, 2264 request_ccb->ccb_h.pinfo.priority); 2265 request_ccb->ccb_h.func_code = XPT_SCAN_LUN; 2266 request_ccb->ccb_h.cbfcnp = scsi_scan_bus; 2267 request_ccb->ccb_h.flags |= CAM_UNLOCKED; 2268 request_ccb->ccb_h.ppriv_ptr0 = scan_info; 2269 request_ccb->crcn.flags = 2270 scan_info->request_ccb->crcn.flags; 2271 } else { 2272 status = xpt_create_path(&path, NULL, 2273 path_id, target_id, lun_id); 2274 /* 2275 * Free the old request path- we're done with it. We 2276 * do this *after* creating the new path so that 2277 * we don't remove a target that has our lun list 2278 * in the case that lun 0 is not present. 2279 */ 2280 xpt_free_path(oldpath); 2281 if (status != CAM_REQ_CMP) { 2282 printf("scsi_scan_bus: xpt_create_path failed " 2283 "with status %#x, halting LUN scan\n", 2284 status); 2285 goto hop_again; 2286 } 2287 xpt_setup_ccb(&request_ccb->ccb_h, path, 2288 request_ccb->ccb_h.pinfo.priority); 2289 request_ccb->ccb_h.func_code = XPT_SCAN_LUN; 2290 request_ccb->ccb_h.cbfcnp = scsi_scan_bus; 2291 request_ccb->ccb_h.flags |= CAM_UNLOCKED; 2292 request_ccb->ccb_h.ppriv_ptr0 = scan_info; 2293 request_ccb->crcn.flags = 2294 scan_info->request_ccb->crcn.flags; 2295 } 2296 mtx_unlock(mtx); 2297 xpt_action(request_ccb); 2298 break; 2299 } 2300 default: 2301 break; 2302 } 2303 } 2304 2305 static void 2306 scsi_scan_lun(struct cam_periph *periph, struct cam_path *path, 2307 cam_flags flags, union ccb *request_ccb) 2308 { 2309 struct ccb_pathinq cpi; 2310 cam_status status; 2311 struct cam_path *new_path; 2312 struct cam_periph *old_periph; 2313 int lock; 2314 2315 CAM_DEBUG(path, CAM_DEBUG_TRACE, ("scsi_scan_lun\n")); 2316 2317 xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NONE); 2318 cpi.ccb_h.func_code = XPT_PATH_INQ; 2319 xpt_action((union ccb *)&cpi); 2320 2321 if (cpi.ccb_h.status != CAM_REQ_CMP) { 2322 if (request_ccb != NULL) { 2323 request_ccb->ccb_h.status = cpi.ccb_h.status; 2324 xpt_done(request_ccb); 2325 } 2326 return; 2327 } 2328 2329 if ((cpi.hba_misc & PIM_NOINITIATOR) != 0) { 2330 /* 2331 * Can't scan the bus on an adapter that 2332 * cannot perform the initiator role. 2333 */ 2334 if (request_ccb != NULL) { 2335 request_ccb->ccb_h.status = CAM_REQ_CMP; 2336 xpt_done(request_ccb); 2337 } 2338 return; 2339 } 2340 2341 if (request_ccb == NULL) { 2342 request_ccb = xpt_alloc_ccb_nowait(); 2343 if (request_ccb == NULL) { 2344 xpt_print(path, "scsi_scan_lun: can't allocate CCB, " 2345 "can't continue\n"); 2346 return; 2347 } 2348 status = xpt_create_path(&new_path, NULL, 2349 path->bus->path_id, 2350 path->target->target_id, 2351 path->device->lun_id); 2352 if (status != CAM_REQ_CMP) { 2353 xpt_print(path, "scsi_scan_lun: can't create path, " 2354 "can't continue\n"); 2355 xpt_free_ccb(request_ccb); 2356 return; 2357 } 2358 xpt_setup_ccb(&request_ccb->ccb_h, new_path, CAM_PRIORITY_XPT); 2359 request_ccb->ccb_h.cbfcnp = xptscandone; 2360 request_ccb->ccb_h.func_code = XPT_SCAN_LUN; 2361 request_ccb->ccb_h.flags |= CAM_UNLOCKED; 2362 request_ccb->crcn.flags = flags; 2363 } 2364 2365 lock = (xpt_path_owned(path) == 0); 2366 if (lock) 2367 xpt_path_lock(path); 2368 if ((old_periph = cam_periph_find(path, "probe")) != NULL) { 2369 if ((old_periph->flags & CAM_PERIPH_INVALID) == 0) { 2370 probe_softc *softc; 2371 2372 softc = (probe_softc *)old_periph->softc; 2373 TAILQ_INSERT_TAIL(&softc->request_ccbs, 2374 &request_ccb->ccb_h, periph_links.tqe); 2375 } else { 2376 request_ccb->ccb_h.status = CAM_REQ_CMP_ERR; 2377 xpt_done(request_ccb); 2378 } 2379 } else { 2380 status = cam_periph_alloc(proberegister, NULL, probecleanup, 2381 probestart, "probe", 2382 CAM_PERIPH_BIO, 2383 request_ccb->ccb_h.path, NULL, 0, 2384 request_ccb); 2385 2386 if (status != CAM_REQ_CMP) { 2387 xpt_print(path, "scsi_scan_lun: cam_alloc_periph " 2388 "returned an error, can't continue probe\n"); 2389 request_ccb->ccb_h.status = status; 2390 xpt_done(request_ccb); 2391 } 2392 } 2393 if (lock) 2394 xpt_path_unlock(path); 2395 } 2396 2397 static void 2398 xptscandone(struct cam_periph *periph, union ccb *done_ccb) 2399 { 2400 2401 xpt_free_path(done_ccb->ccb_h.path); 2402 xpt_free_ccb(done_ccb); 2403 } 2404 2405 static struct cam_ed * 2406 scsi_alloc_device(struct cam_eb *bus, struct cam_et *target, lun_id_t lun_id) 2407 { 2408 struct scsi_quirk_entry *quirk; 2409 struct cam_ed *device; 2410 2411 device = xpt_alloc_device(bus, target, lun_id); 2412 if (device == NULL) 2413 return (NULL); 2414 2415 /* 2416 * Take the default quirk entry until we have inquiry 2417 * data and can determine a better quirk to use. 2418 */ 2419 quirk = &scsi_quirk_table[nitems(scsi_quirk_table) - 1]; 2420 device->quirk = (void *)quirk; 2421 device->mintags = quirk->mintags; 2422 device->maxtags = quirk->maxtags; 2423 bzero(&device->inq_data, sizeof(device->inq_data)); 2424 device->inq_flags = 0; 2425 device->queue_flags = 0; 2426 device->serial_num = NULL; 2427 device->serial_num_len = 0; 2428 device->device_id = NULL; 2429 device->device_id_len = 0; 2430 device->supported_vpds = NULL; 2431 device->supported_vpds_len = 0; 2432 return (device); 2433 } 2434 2435 static void 2436 scsi_devise_transport(struct cam_path *path) 2437 { 2438 struct ccb_pathinq cpi; 2439 struct ccb_trans_settings cts; 2440 struct scsi_inquiry_data *inq_buf; 2441 2442 /* Get transport information from the SIM */ 2443 xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NONE); 2444 cpi.ccb_h.func_code = XPT_PATH_INQ; 2445 xpt_action((union ccb *)&cpi); 2446 2447 inq_buf = NULL; 2448 if ((path->device->flags & CAM_DEV_INQUIRY_DATA_VALID) != 0) 2449 inq_buf = &path->device->inq_data; 2450 path->device->protocol = PROTO_SCSI; 2451 path->device->protocol_version = 2452 inq_buf != NULL ? SID_ANSI_REV(inq_buf) : cpi.protocol_version; 2453 path->device->transport = cpi.transport; 2454 path->device->transport_version = cpi.transport_version; 2455 2456 /* 2457 * Any device not using SPI3 features should 2458 * be considered SPI2 or lower. 2459 */ 2460 if (inq_buf != NULL) { 2461 if (path->device->transport == XPORT_SPI 2462 && (inq_buf->spi3data & SID_SPI_MASK) == 0 2463 && path->device->transport_version > 2) 2464 path->device->transport_version = 2; 2465 } else { 2466 struct cam_ed* otherdev; 2467 2468 for (otherdev = TAILQ_FIRST(&path->target->ed_entries); 2469 otherdev != NULL; 2470 otherdev = TAILQ_NEXT(otherdev, links)) { 2471 if (otherdev != path->device) 2472 break; 2473 } 2474 2475 if (otherdev != NULL) { 2476 /* 2477 * Initially assume the same versioning as 2478 * prior luns for this target. 2479 */ 2480 path->device->protocol_version = 2481 otherdev->protocol_version; 2482 path->device->transport_version = 2483 otherdev->transport_version; 2484 } else { 2485 /* Until we know better, opt for safety */ 2486 path->device->protocol_version = 2; 2487 if (path->device->transport == XPORT_SPI) 2488 path->device->transport_version = 2; 2489 else 2490 path->device->transport_version = 0; 2491 } 2492 } 2493 2494 /* 2495 * XXX 2496 * For a device compliant with SPC-2 we should be able 2497 * to determine the transport version supported by 2498 * scrutinizing the version descriptors in the 2499 * inquiry buffer. 2500 */ 2501 2502 /* Tell the controller what we think */ 2503 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 2504 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 2505 cts.type = CTS_TYPE_CURRENT_SETTINGS; 2506 cts.transport = path->device->transport; 2507 cts.transport_version = path->device->transport_version; 2508 cts.protocol = path->device->protocol; 2509 cts.protocol_version = path->device->protocol_version; 2510 cts.proto_specific.valid = 0; 2511 cts.xport_specific.valid = 0; 2512 xpt_action((union ccb *)&cts); 2513 } 2514 2515 static void 2516 scsi_dev_advinfo(union ccb *start_ccb) 2517 { 2518 struct cam_ed *device; 2519 struct ccb_dev_advinfo *cdai; 2520 off_t amt; 2521 2522 start_ccb->ccb_h.status = CAM_REQ_INVALID; 2523 device = start_ccb->ccb_h.path->device; 2524 cdai = &start_ccb->cdai; 2525 switch(cdai->buftype) { 2526 case CDAI_TYPE_SCSI_DEVID: 2527 if (cdai->flags & CDAI_FLAG_STORE) 2528 return; 2529 cdai->provsiz = device->device_id_len; 2530 if (device->device_id_len == 0) 2531 break; 2532 amt = device->device_id_len; 2533 if (cdai->provsiz > cdai->bufsiz) 2534 amt = cdai->bufsiz; 2535 memcpy(cdai->buf, device->device_id, amt); 2536 break; 2537 case CDAI_TYPE_SERIAL_NUM: 2538 if (cdai->flags & CDAI_FLAG_STORE) 2539 return; 2540 cdai->provsiz = device->serial_num_len; 2541 if (device->serial_num_len == 0) 2542 break; 2543 amt = device->serial_num_len; 2544 if (cdai->provsiz > cdai->bufsiz) 2545 amt = cdai->bufsiz; 2546 memcpy(cdai->buf, device->serial_num, amt); 2547 break; 2548 case CDAI_TYPE_PHYS_PATH: 2549 if (cdai->flags & CDAI_FLAG_STORE) { 2550 if (device->physpath != NULL) { 2551 free(device->physpath, M_CAMXPT); 2552 device->physpath = NULL; 2553 device->physpath_len = 0; 2554 } 2555 /* Clear existing buffer if zero length */ 2556 if (cdai->bufsiz == 0) 2557 break; 2558 device->physpath = malloc(cdai->bufsiz, M_CAMXPT, M_NOWAIT); 2559 if (device->physpath == NULL) { 2560 start_ccb->ccb_h.status = CAM_REQ_ABORTED; 2561 return; 2562 } 2563 device->physpath_len = cdai->bufsiz; 2564 memcpy(device->physpath, cdai->buf, cdai->bufsiz); 2565 } else { 2566 cdai->provsiz = device->physpath_len; 2567 if (device->physpath_len == 0) 2568 break; 2569 amt = device->physpath_len; 2570 if (cdai->provsiz > cdai->bufsiz) 2571 amt = cdai->bufsiz; 2572 memcpy(cdai->buf, device->physpath, amt); 2573 } 2574 break; 2575 case CDAI_TYPE_RCAPLONG: 2576 if (cdai->flags & CDAI_FLAG_STORE) { 2577 if (device->rcap_buf != NULL) { 2578 free(device->rcap_buf, M_CAMXPT); 2579 device->rcap_buf = NULL; 2580 } 2581 2582 device->rcap_len = cdai->bufsiz; 2583 /* Clear existing buffer if zero length */ 2584 if (cdai->bufsiz == 0) 2585 break; 2586 2587 device->rcap_buf = malloc(cdai->bufsiz, M_CAMXPT, 2588 M_NOWAIT); 2589 if (device->rcap_buf == NULL) { 2590 start_ccb->ccb_h.status = CAM_REQ_ABORTED; 2591 return; 2592 } 2593 2594 memcpy(device->rcap_buf, cdai->buf, cdai->bufsiz); 2595 } else { 2596 cdai->provsiz = device->rcap_len; 2597 if (device->rcap_len == 0) 2598 break; 2599 amt = device->rcap_len; 2600 if (cdai->provsiz > cdai->bufsiz) 2601 amt = cdai->bufsiz; 2602 memcpy(cdai->buf, device->rcap_buf, amt); 2603 } 2604 break; 2605 case CDAI_TYPE_EXT_INQ: 2606 /* 2607 * We fetch extended inquiry data during probe, if 2608 * available. We don't allow changing it. 2609 */ 2610 if (cdai->flags & CDAI_FLAG_STORE) 2611 return; 2612 cdai->provsiz = device->ext_inq_len; 2613 if (device->ext_inq_len == 0) 2614 break; 2615 amt = device->ext_inq_len; 2616 if (cdai->provsiz > cdai->bufsiz) 2617 amt = cdai->bufsiz; 2618 memcpy(cdai->buf, device->ext_inq, amt); 2619 break; 2620 default: 2621 return; 2622 } 2623 start_ccb->ccb_h.status = CAM_REQ_CMP; 2624 2625 if (cdai->flags & CDAI_FLAG_STORE) { 2626 xpt_async(AC_ADVINFO_CHANGED, start_ccb->ccb_h.path, 2627 (void *)(uintptr_t)cdai->buftype); 2628 } 2629 } 2630 2631 static void 2632 scsi_action(union ccb *start_ccb) 2633 { 2634 2635 switch (start_ccb->ccb_h.func_code) { 2636 case XPT_SET_TRAN_SETTINGS: 2637 { 2638 scsi_set_transfer_settings(&start_ccb->cts, 2639 start_ccb->ccb_h.path, 2640 /*async_update*/FALSE); 2641 break; 2642 } 2643 case XPT_SCAN_BUS: 2644 case XPT_SCAN_TGT: 2645 scsi_scan_bus(start_ccb->ccb_h.path->periph, start_ccb); 2646 break; 2647 case XPT_SCAN_LUN: 2648 scsi_scan_lun(start_ccb->ccb_h.path->periph, 2649 start_ccb->ccb_h.path, start_ccb->crcn.flags, 2650 start_ccb); 2651 break; 2652 case XPT_DEV_ADVINFO: 2653 { 2654 scsi_dev_advinfo(start_ccb); 2655 break; 2656 } 2657 default: 2658 xpt_action_default(start_ccb); 2659 break; 2660 } 2661 } 2662 2663 static void 2664 scsi_set_transfer_settings(struct ccb_trans_settings *cts, struct cam_path *path, 2665 int async_update) 2666 { 2667 struct ccb_pathinq cpi; 2668 struct ccb_trans_settings cur_cts; 2669 struct ccb_trans_settings_scsi *scsi; 2670 struct ccb_trans_settings_scsi *cur_scsi; 2671 struct scsi_inquiry_data *inq_data; 2672 struct cam_ed *device; 2673 2674 if (path == NULL || (device = path->device) == NULL) { 2675 cts->ccb_h.status = CAM_PATH_INVALID; 2676 xpt_done((union ccb *)cts); 2677 return; 2678 } 2679 2680 if (cts->protocol == PROTO_UNKNOWN 2681 || cts->protocol == PROTO_UNSPECIFIED) { 2682 cts->protocol = device->protocol; 2683 cts->protocol_version = device->protocol_version; 2684 } 2685 2686 if (cts->protocol_version == PROTO_VERSION_UNKNOWN 2687 || cts->protocol_version == PROTO_VERSION_UNSPECIFIED) 2688 cts->protocol_version = device->protocol_version; 2689 2690 if (cts->protocol != device->protocol) { 2691 xpt_print(path, "Uninitialized Protocol %x:%x?\n", 2692 cts->protocol, device->protocol); 2693 cts->protocol = device->protocol; 2694 } 2695 2696 if (cts->protocol_version > device->protocol_version) { 2697 if (bootverbose) { 2698 xpt_print(path, "Down reving Protocol " 2699 "Version from %d to %d?\n", cts->protocol_version, 2700 device->protocol_version); 2701 } 2702 cts->protocol_version = device->protocol_version; 2703 } 2704 2705 if (cts->transport == XPORT_UNKNOWN 2706 || cts->transport == XPORT_UNSPECIFIED) { 2707 cts->transport = device->transport; 2708 cts->transport_version = device->transport_version; 2709 } 2710 2711 if (cts->transport_version == XPORT_VERSION_UNKNOWN 2712 || cts->transport_version == XPORT_VERSION_UNSPECIFIED) 2713 cts->transport_version = device->transport_version; 2714 2715 if (cts->transport != device->transport) { 2716 xpt_print(path, "Uninitialized Transport %x:%x?\n", 2717 cts->transport, device->transport); 2718 cts->transport = device->transport; 2719 } 2720 2721 if (cts->transport_version > device->transport_version) { 2722 if (bootverbose) { 2723 xpt_print(path, "Down reving Transport " 2724 "Version from %d to %d?\n", cts->transport_version, 2725 device->transport_version); 2726 } 2727 cts->transport_version = device->transport_version; 2728 } 2729 2730 /* 2731 * Nothing more of interest to do unless 2732 * this is a device connected via the 2733 * SCSI protocol. 2734 */ 2735 if (cts->protocol != PROTO_SCSI) { 2736 if (async_update == FALSE) 2737 xpt_action_default((union ccb *)cts); 2738 return; 2739 } 2740 2741 inq_data = &device->inq_data; 2742 scsi = &cts->proto_specific.scsi; 2743 xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NONE); 2744 cpi.ccb_h.func_code = XPT_PATH_INQ; 2745 xpt_action((union ccb *)&cpi); 2746 2747 /* SCSI specific sanity checking */ 2748 if ((cpi.hba_inquiry & PI_TAG_ABLE) == 0 2749 || (INQ_DATA_TQ_ENABLED(inq_data)) == 0 2750 || (device->queue_flags & SCP_QUEUE_DQUE) != 0 2751 || (device->mintags == 0)) { 2752 /* 2753 * Can't tag on hardware that doesn't support tags, 2754 * doesn't have it enabled, or has broken tag support. 2755 */ 2756 scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB; 2757 } 2758 2759 if (async_update == FALSE) { 2760 /* 2761 * Perform sanity checking against what the 2762 * controller and device can do. 2763 */ 2764 xpt_setup_ccb(&cur_cts.ccb_h, path, CAM_PRIORITY_NONE); 2765 cur_cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 2766 cur_cts.type = cts->type; 2767 xpt_action((union ccb *)&cur_cts); 2768 if (cam_ccb_status((union ccb *)&cur_cts) != CAM_REQ_CMP) { 2769 return; 2770 } 2771 cur_scsi = &cur_cts.proto_specific.scsi; 2772 if ((scsi->valid & CTS_SCSI_VALID_TQ) == 0) { 2773 scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB; 2774 scsi->flags |= cur_scsi->flags & CTS_SCSI_FLAGS_TAG_ENB; 2775 } 2776 if ((cur_scsi->valid & CTS_SCSI_VALID_TQ) == 0) 2777 scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB; 2778 } 2779 2780 /* SPI specific sanity checking */ 2781 if (cts->transport == XPORT_SPI && async_update == FALSE) { 2782 u_int spi3caps; 2783 struct ccb_trans_settings_spi *spi; 2784 struct ccb_trans_settings_spi *cur_spi; 2785 2786 spi = &cts->xport_specific.spi; 2787 2788 cur_spi = &cur_cts.xport_specific.spi; 2789 2790 /* Fill in any gaps in what the user gave us */ 2791 if ((spi->valid & CTS_SPI_VALID_SYNC_RATE) == 0) 2792 spi->sync_period = cur_spi->sync_period; 2793 if ((cur_spi->valid & CTS_SPI_VALID_SYNC_RATE) == 0) 2794 spi->sync_period = 0; 2795 if ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) == 0) 2796 spi->sync_offset = cur_spi->sync_offset; 2797 if ((cur_spi->valid & CTS_SPI_VALID_SYNC_OFFSET) == 0) 2798 spi->sync_offset = 0; 2799 if ((spi->valid & CTS_SPI_VALID_PPR_OPTIONS) == 0) 2800 spi->ppr_options = cur_spi->ppr_options; 2801 if ((cur_spi->valid & CTS_SPI_VALID_PPR_OPTIONS) == 0) 2802 spi->ppr_options = 0; 2803 if ((spi->valid & CTS_SPI_VALID_BUS_WIDTH) == 0) 2804 spi->bus_width = cur_spi->bus_width; 2805 if ((cur_spi->valid & CTS_SPI_VALID_BUS_WIDTH) == 0) 2806 spi->bus_width = 0; 2807 if ((spi->valid & CTS_SPI_VALID_DISC) == 0) { 2808 spi->flags &= ~CTS_SPI_FLAGS_DISC_ENB; 2809 spi->flags |= cur_spi->flags & CTS_SPI_FLAGS_DISC_ENB; 2810 } 2811 if ((cur_spi->valid & CTS_SPI_VALID_DISC) == 0) 2812 spi->flags &= ~CTS_SPI_FLAGS_DISC_ENB; 2813 if (((device->flags & CAM_DEV_INQUIRY_DATA_VALID) != 0 2814 && (inq_data->flags & SID_Sync) == 0 2815 && cts->type == CTS_TYPE_CURRENT_SETTINGS) 2816 || ((cpi.hba_inquiry & PI_SDTR_ABLE) == 0)) { 2817 /* Force async */ 2818 spi->sync_period = 0; 2819 spi->sync_offset = 0; 2820 } 2821 2822 switch (spi->bus_width) { 2823 case MSG_EXT_WDTR_BUS_32_BIT: 2824 if (((device->flags & CAM_DEV_INQUIRY_DATA_VALID) == 0 2825 || (inq_data->flags & SID_WBus32) != 0 2826 || cts->type == CTS_TYPE_USER_SETTINGS) 2827 && (cpi.hba_inquiry & PI_WIDE_32) != 0) 2828 break; 2829 /* Fall Through to 16-bit */ 2830 case MSG_EXT_WDTR_BUS_16_BIT: 2831 if (((device->flags & CAM_DEV_INQUIRY_DATA_VALID) == 0 2832 || (inq_data->flags & SID_WBus16) != 0 2833 || cts->type == CTS_TYPE_USER_SETTINGS) 2834 && (cpi.hba_inquiry & PI_WIDE_16) != 0) { 2835 spi->bus_width = MSG_EXT_WDTR_BUS_16_BIT; 2836 break; 2837 } 2838 /* Fall Through to 8-bit */ 2839 default: /* New bus width?? */ 2840 case MSG_EXT_WDTR_BUS_8_BIT: 2841 /* All targets can do this */ 2842 spi->bus_width = MSG_EXT_WDTR_BUS_8_BIT; 2843 break; 2844 } 2845 2846 spi3caps = cpi.xport_specific.spi.ppr_options; 2847 if ((device->flags & CAM_DEV_INQUIRY_DATA_VALID) != 0 2848 && cts->type == CTS_TYPE_CURRENT_SETTINGS) 2849 spi3caps &= inq_data->spi3data; 2850 2851 if ((spi3caps & SID_SPI_CLOCK_DT) == 0) 2852 spi->ppr_options &= ~MSG_EXT_PPR_DT_REQ; 2853 2854 if ((spi3caps & SID_SPI_IUS) == 0) 2855 spi->ppr_options &= ~MSG_EXT_PPR_IU_REQ; 2856 2857 if ((spi3caps & SID_SPI_QAS) == 0) 2858 spi->ppr_options &= ~MSG_EXT_PPR_QAS_REQ; 2859 2860 /* No SPI Transfer settings are allowed unless we are wide */ 2861 if (spi->bus_width == 0) 2862 spi->ppr_options = 0; 2863 2864 if ((spi->valid & CTS_SPI_VALID_DISC) 2865 && ((spi->flags & CTS_SPI_FLAGS_DISC_ENB) == 0)) { 2866 /* 2867 * Can't tag queue without disconnection. 2868 */ 2869 scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB; 2870 scsi->valid |= CTS_SCSI_VALID_TQ; 2871 } 2872 2873 /* 2874 * If we are currently performing tagged transactions to 2875 * this device and want to change its negotiation parameters, 2876 * go non-tagged for a bit to give the controller a chance to 2877 * negotiate unhampered by tag messages. 2878 */ 2879 if (cts->type == CTS_TYPE_CURRENT_SETTINGS 2880 && (device->inq_flags & SID_CmdQue) != 0 2881 && (scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0 2882 && (spi->flags & (CTS_SPI_VALID_SYNC_RATE| 2883 CTS_SPI_VALID_SYNC_OFFSET| 2884 CTS_SPI_VALID_BUS_WIDTH)) != 0) 2885 scsi_toggle_tags(path); 2886 } 2887 2888 if (cts->type == CTS_TYPE_CURRENT_SETTINGS 2889 && (scsi->valid & CTS_SCSI_VALID_TQ) != 0) { 2890 int device_tagenb; 2891 2892 /* 2893 * If we are transitioning from tags to no-tags or 2894 * vice-versa, we need to carefully freeze and restart 2895 * the queue so that we don't overlap tagged and non-tagged 2896 * commands. We also temporarily stop tags if there is 2897 * a change in transfer negotiation settings to allow 2898 * "tag-less" negotiation. 2899 */ 2900 if ((device->flags & CAM_DEV_TAG_AFTER_COUNT) != 0 2901 || (device->inq_flags & SID_CmdQue) != 0) 2902 device_tagenb = TRUE; 2903 else 2904 device_tagenb = FALSE; 2905 2906 if (((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0 2907 && device_tagenb == FALSE) 2908 || ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) == 0 2909 && device_tagenb == TRUE)) { 2910 2911 if ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0) { 2912 /* 2913 * Delay change to use tags until after a 2914 * few commands have gone to this device so 2915 * the controller has time to perform transfer 2916 * negotiations without tagged messages getting 2917 * in the way. 2918 */ 2919 device->tag_delay_count = CAM_TAG_DELAY_COUNT; 2920 device->flags |= CAM_DEV_TAG_AFTER_COUNT; 2921 } else { 2922 xpt_stop_tags(path); 2923 } 2924 } 2925 } 2926 if (async_update == FALSE) 2927 xpt_action_default((union ccb *)cts); 2928 } 2929 2930 static void 2931 scsi_toggle_tags(struct cam_path *path) 2932 { 2933 struct cam_ed *dev; 2934 2935 /* 2936 * Give controllers a chance to renegotiate 2937 * before starting tag operations. We 2938 * "toggle" tagged queuing off then on 2939 * which causes the tag enable command delay 2940 * counter to come into effect. 2941 */ 2942 dev = path->device; 2943 if ((dev->flags & CAM_DEV_TAG_AFTER_COUNT) != 0 2944 || ((dev->inq_flags & SID_CmdQue) != 0 2945 && (dev->inq_flags & (SID_Sync|SID_WBus16|SID_WBus32)) != 0)) { 2946 struct ccb_trans_settings cts; 2947 2948 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 2949 cts.protocol = PROTO_SCSI; 2950 cts.protocol_version = PROTO_VERSION_UNSPECIFIED; 2951 cts.transport = XPORT_UNSPECIFIED; 2952 cts.transport_version = XPORT_VERSION_UNSPECIFIED; 2953 cts.proto_specific.scsi.flags = 0; 2954 cts.proto_specific.scsi.valid = CTS_SCSI_VALID_TQ; 2955 scsi_set_transfer_settings(&cts, path, 2956 /*async_update*/TRUE); 2957 cts.proto_specific.scsi.flags = CTS_SCSI_FLAGS_TAG_ENB; 2958 scsi_set_transfer_settings(&cts, path, 2959 /*async_update*/TRUE); 2960 } 2961 } 2962 2963 /* 2964 * Handle any per-device event notifications that require action by the XPT. 2965 */ 2966 static void 2967 scsi_dev_async(u_int32_t async_code, struct cam_eb *bus, struct cam_et *target, 2968 struct cam_ed *device, void *async_arg) 2969 { 2970 cam_status status; 2971 struct cam_path newpath; 2972 2973 /* 2974 * We only need to handle events for real devices. 2975 */ 2976 if (target->target_id == CAM_TARGET_WILDCARD 2977 || device->lun_id == CAM_LUN_WILDCARD) 2978 return; 2979 2980 /* 2981 * We need our own path with wildcards expanded to 2982 * handle certain types of events. 2983 */ 2984 if ((async_code == AC_SENT_BDR) 2985 || (async_code == AC_BUS_RESET) 2986 || (async_code == AC_INQ_CHANGED)) 2987 status = xpt_compile_path(&newpath, NULL, 2988 bus->path_id, 2989 target->target_id, 2990 device->lun_id); 2991 else 2992 status = CAM_REQ_CMP_ERR; 2993 2994 if (status == CAM_REQ_CMP) { 2995 2996 /* 2997 * Allow transfer negotiation to occur in a 2998 * tag free environment and after settle delay. 2999 */ 3000 if (async_code == AC_SENT_BDR 3001 || async_code == AC_BUS_RESET) { 3002 cam_freeze_devq(&newpath); 3003 cam_release_devq(&newpath, 3004 RELSIM_RELEASE_AFTER_TIMEOUT, 3005 /*reduction*/0, 3006 /*timeout*/scsi_delay, 3007 /*getcount_only*/0); 3008 scsi_toggle_tags(&newpath); 3009 } 3010 3011 if (async_code == AC_INQ_CHANGED) { 3012 /* 3013 * We've sent a start unit command, or 3014 * something similar to a device that 3015 * may have caused its inquiry data to 3016 * change. So we re-scan the device to 3017 * refresh the inquiry data for it. 3018 */ 3019 scsi_scan_lun(newpath.periph, &newpath, 3020 CAM_EXPECT_INQ_CHANGE, NULL); 3021 } 3022 xpt_release_path(&newpath); 3023 } else if (async_code == AC_LOST_DEVICE && 3024 (device->flags & CAM_DEV_UNCONFIGURED) == 0) { 3025 device->flags |= CAM_DEV_UNCONFIGURED; 3026 xpt_release_device(device); 3027 } else if (async_code == AC_TRANSFER_NEG) { 3028 struct ccb_trans_settings *settings; 3029 struct cam_path path; 3030 3031 settings = (struct ccb_trans_settings *)async_arg; 3032 xpt_compile_path(&path, NULL, bus->path_id, target->target_id, 3033 device->lun_id); 3034 scsi_set_transfer_settings(settings, &path, 3035 /*async_update*/TRUE); 3036 xpt_release_path(&path); 3037 } 3038 } 3039 3040 static void 3041 _scsi_announce_periph(struct cam_periph *periph, u_int *speed, u_int *freq, struct ccb_trans_settings *cts) 3042 { 3043 struct ccb_pathinq cpi; 3044 struct cam_path *path = periph->path; 3045 3046 cam_periph_assert(periph, MA_OWNED); 3047 3048 xpt_setup_ccb(&cts->ccb_h, path, CAM_PRIORITY_NORMAL); 3049 cts->ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 3050 cts->type = CTS_TYPE_CURRENT_SETTINGS; 3051 xpt_action((union ccb*)cts); 3052 if (cam_ccb_status((union ccb *)cts) != CAM_REQ_CMP) 3053 return; 3054 3055 /* Ask the SIM for its base transfer speed */ 3056 xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NORMAL); 3057 cpi.ccb_h.func_code = XPT_PATH_INQ; 3058 xpt_action((union ccb *)&cpi); 3059 3060 /* Report connection speed */ 3061 *speed = cpi.base_transfer_speed; 3062 *freq = 0; 3063 3064 if (cts->ccb_h.status == CAM_REQ_CMP && cts->transport == XPORT_SPI) { 3065 struct ccb_trans_settings_spi *spi = 3066 &cts->xport_specific.spi; 3067 3068 if ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) != 0 3069 && spi->sync_offset != 0) { 3070 *freq = scsi_calc_syncsrate(spi->sync_period); 3071 *speed = *freq; 3072 } 3073 if ((spi->valid & CTS_SPI_VALID_BUS_WIDTH) != 0) 3074 *speed *= (0x01 << spi->bus_width); 3075 } 3076 if (cts->ccb_h.status == CAM_REQ_CMP && cts->transport == XPORT_FC) { 3077 struct ccb_trans_settings_fc *fc = 3078 &cts->xport_specific.fc; 3079 3080 if (fc->valid & CTS_FC_VALID_SPEED) 3081 *speed = fc->bitrate; 3082 } 3083 if (cts->ccb_h.status == CAM_REQ_CMP && cts->transport == XPORT_SAS) { 3084 struct ccb_trans_settings_sas *sas = 3085 &cts->xport_specific.sas; 3086 3087 if (sas->valid & CTS_SAS_VALID_SPEED) 3088 *speed = sas->bitrate; 3089 } 3090 } 3091 3092 static void 3093 scsi_announce_periph_sbuf(struct cam_periph *periph, struct sbuf *sb) 3094 { 3095 struct ccb_trans_settings cts; 3096 u_int speed, freq, mb; 3097 3098 _scsi_announce_periph(periph, &speed, &freq, &cts); 3099 if (cam_ccb_status((union ccb *)&cts) != CAM_REQ_CMP) 3100 return; 3101 3102 mb = speed / 1000; 3103 if (mb > 0) 3104 sbuf_printf(sb, "%s%d: %d.%03dMB/s transfers", 3105 periph->periph_name, periph->unit_number, 3106 mb, speed % 1000); 3107 else 3108 sbuf_printf(sb, "%s%d: %dKB/s transfers", periph->periph_name, 3109 periph->unit_number, speed); 3110 /* Report additional information about SPI connections */ 3111 if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_SPI) { 3112 struct ccb_trans_settings_spi *spi; 3113 3114 spi = &cts.xport_specific.spi; 3115 if (freq != 0) { 3116 sbuf_printf(sb, " (%d.%03dMHz%s, offset %d", freq / 1000, 3117 freq % 1000, 3118 (spi->ppr_options & MSG_EXT_PPR_DT_REQ) != 0 3119 ? " DT" : "", 3120 spi->sync_offset); 3121 } 3122 if ((spi->valid & CTS_SPI_VALID_BUS_WIDTH) != 0 3123 && spi->bus_width > 0) { 3124 if (freq != 0) { 3125 sbuf_printf(sb, ", "); 3126 } else { 3127 sbuf_printf(sb, " ("); 3128 } 3129 sbuf_printf(sb, "%dbit)", 8 * (0x01 << spi->bus_width)); 3130 } else if (freq != 0) { 3131 sbuf_printf(sb, ")"); 3132 } 3133 } 3134 if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_FC) { 3135 struct ccb_trans_settings_fc *fc; 3136 3137 fc = &cts.xport_specific.fc; 3138 if (fc->valid & CTS_FC_VALID_WWNN) 3139 sbuf_printf(sb, " WWNN 0x%llx", (long long) fc->wwnn); 3140 if (fc->valid & CTS_FC_VALID_WWPN) 3141 sbuf_printf(sb, " WWPN 0x%llx", (long long) fc->wwpn); 3142 if (fc->valid & CTS_FC_VALID_PORT) 3143 sbuf_printf(sb, " PortID 0x%x", fc->port); 3144 } 3145 sbuf_printf(sb, "\n"); 3146 } 3147 3148 static void 3149 scsi_announce_periph(struct cam_periph *periph) 3150 { 3151 struct ccb_trans_settings cts; 3152 u_int speed, freq, mb; 3153 3154 _scsi_announce_periph(periph, &speed, &freq, &cts); 3155 if (cam_ccb_status((union ccb *)&cts) != CAM_REQ_CMP) 3156 return; 3157 3158 mb = speed / 1000; 3159 if (mb > 0) 3160 printf("%s%d: %d.%03dMB/s transfers", 3161 periph->periph_name, periph->unit_number, 3162 mb, speed % 1000); 3163 else 3164 printf("%s%d: %dKB/s transfers", periph->periph_name, 3165 periph->unit_number, speed); 3166 /* Report additional information about SPI connections */ 3167 if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_SPI) { 3168 struct ccb_trans_settings_spi *spi; 3169 3170 spi = &cts.xport_specific.spi; 3171 if (freq != 0) { 3172 printf(" (%d.%03dMHz%s, offset %d", freq / 1000, 3173 freq % 1000, 3174 (spi->ppr_options & MSG_EXT_PPR_DT_REQ) != 0 3175 ? " DT" : "", 3176 spi->sync_offset); 3177 } 3178 if ((spi->valid & CTS_SPI_VALID_BUS_WIDTH) != 0 3179 && spi->bus_width > 0) { 3180 if (freq != 0) { 3181 printf(", "); 3182 } else { 3183 printf(" ("); 3184 } 3185 printf("%dbit)", 8 * (0x01 << spi->bus_width)); 3186 } else if (freq != 0) { 3187 printf(")"); 3188 } 3189 } 3190 if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_FC) { 3191 struct ccb_trans_settings_fc *fc; 3192 3193 fc = &cts.xport_specific.fc; 3194 if (fc->valid & CTS_FC_VALID_WWNN) 3195 printf(" WWNN 0x%llx", (long long) fc->wwnn); 3196 if (fc->valid & CTS_FC_VALID_WWPN) 3197 printf(" WWPN 0x%llx", (long long) fc->wwpn); 3198 if (fc->valid & CTS_FC_VALID_PORT) 3199 printf(" PortID 0x%x", fc->port); 3200 } 3201 printf("\n"); 3202 } 3203 3204 static void 3205 scsi_proto_announce_sbuf(struct cam_ed *device, struct sbuf *sb) 3206 { 3207 scsi_print_inquiry_sbuf(sb, &device->inq_data); 3208 } 3209 3210 static void 3211 scsi_proto_announce(struct cam_ed *device) 3212 { 3213 scsi_print_inquiry(&device->inq_data); 3214 } 3215 3216 static void 3217 scsi_proto_denounce_sbuf(struct cam_ed *device, struct sbuf *sb) 3218 { 3219 scsi_print_inquiry_short_sbuf(sb, &device->inq_data); 3220 } 3221 3222 static void 3223 scsi_proto_denounce(struct cam_ed *device) 3224 { 3225 scsi_print_inquiry_short(&device->inq_data); 3226 } 3227 3228 static void 3229 scsi_proto_debug_out(union ccb *ccb) 3230 { 3231 char cdb_str[(SCSI_MAX_CDBLEN * 3) + 1]; 3232 struct cam_ed *device; 3233 3234 if (ccb->ccb_h.func_code != XPT_SCSI_IO) 3235 return; 3236 3237 device = ccb->ccb_h.path->device; 3238 CAM_DEBUG(ccb->ccb_h.path, 3239 CAM_DEBUG_CDB,("%s. CDB: %s\n", 3240 scsi_op_desc(scsiio_cdb_ptr(&ccb->csio)[0], &device->inq_data), 3241 scsi_cdb_string(scsiio_cdb_ptr(&ccb->csio), cdb_str, sizeof(cdb_str)))); 3242 } 3243