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