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_INVALID 145 } probe_action; 146 147 static char *probe_action_text[] = { 148 "PROBE_TUR", 149 "PROBE_INQUIRY", 150 "PROBE_FULL_INQUIRY", 151 "PROBE_REPORT_LUNS", 152 "PROBE_MODE_SENSE", 153 "PROBE_SUPPORTED_VPD_LIST", 154 "PROBE_DEVICE_ID", 155 "PROBE_SERIAL_NUM", 156 "PROBE_TUR_FOR_NEGOTIATION", 157 "PROBE_INQUIRY_BASIC_DV1", 158 "PROBE_INQUIRY_BASIC_DV2", 159 "PROBE_DV_EXIT", 160 "PROBE_INVALID" 161 }; 162 163 #define PROBE_SET_ACTION(softc, newaction) \ 164 do { \ 165 char **text; \ 166 text = probe_action_text; \ 167 CAM_DEBUG((softc)->periph->path, CAM_DEBUG_INFO, \ 168 ("Probe %s to %s\n", text[(softc)->action], \ 169 text[(newaction)])); \ 170 (softc)->action = (newaction); \ 171 } while(0) 172 173 typedef enum { 174 PROBE_INQUIRY_CKSUM = 0x01, 175 PROBE_SERIAL_CKSUM = 0x02, 176 PROBE_NO_ANNOUNCE = 0x04 177 } probe_flags; 178 179 typedef struct { 180 TAILQ_HEAD(, ccb_hdr) request_ccbs; 181 probe_action action; 182 union ccb saved_ccb; 183 probe_flags flags; 184 MD5_CTX context; 185 u_int8_t digest[16]; 186 struct cam_periph *periph; 187 } probe_softc; 188 189 static const char quantum[] = "QUANTUM"; 190 static const char sony[] = "SONY"; 191 static const char west_digital[] = "WDIGTL"; 192 static const char samsung[] = "SAMSUNG"; 193 static const char seagate[] = "SEAGATE"; 194 static const char microp[] = "MICROP"; 195 196 static struct scsi_quirk_entry scsi_quirk_table[] = 197 { 198 { 199 /* Reports QUEUE FULL for temporary resource shortages */ 200 { T_DIRECT, SIP_MEDIA_FIXED, quantum, "XP39100*", "*" }, 201 /*quirks*/0, /*mintags*/24, /*maxtags*/32 202 }, 203 { 204 /* Reports QUEUE FULL for temporary resource shortages */ 205 { T_DIRECT, SIP_MEDIA_FIXED, quantum, "XP34550*", "*" }, 206 /*quirks*/0, /*mintags*/24, /*maxtags*/32 207 }, 208 { 209 /* Reports QUEUE FULL for temporary resource shortages */ 210 { T_DIRECT, SIP_MEDIA_FIXED, quantum, "XP32275*", "*" }, 211 /*quirks*/0, /*mintags*/24, /*maxtags*/32 212 }, 213 { 214 /* Broken tagged queuing drive */ 215 { T_DIRECT, SIP_MEDIA_FIXED, microp, "4421-07*", "*" }, 216 /*quirks*/0, /*mintags*/0, /*maxtags*/0 217 }, 218 { 219 /* Broken tagged queuing drive */ 220 { T_DIRECT, SIP_MEDIA_FIXED, "HP", "C372*", "*" }, 221 /*quirks*/0, /*mintags*/0, /*maxtags*/0 222 }, 223 { 224 /* Broken tagged queuing drive */ 225 { T_DIRECT, SIP_MEDIA_FIXED, microp, "3391*", "x43h" }, 226 /*quirks*/0, /*mintags*/0, /*maxtags*/0 227 }, 228 { 229 /* 230 * Unfortunately, the Quantum Atlas III has the same 231 * problem as the Atlas II drives above. 232 * Reported by: "Johan Granlund" <johan@granlund.nu> 233 * 234 * For future reference, the drive with the problem was: 235 * QUANTUM QM39100TD-SW N1B0 236 * 237 * It's possible that Quantum will fix the problem in later 238 * firmware revisions. If that happens, the quirk entry 239 * will need to be made specific to the firmware revisions 240 * with the problem. 241 * 242 */ 243 /* Reports QUEUE FULL for temporary resource shortages */ 244 { T_DIRECT, SIP_MEDIA_FIXED, quantum, "QM39100*", "*" }, 245 /*quirks*/0, /*mintags*/24, /*maxtags*/32 246 }, 247 { 248 /* 249 * 18 Gig Atlas III, same problem as the 9G version. 250 * Reported by: Andre Albsmeier 251 * <andre.albsmeier@mchp.siemens.de> 252 * 253 * For future reference, the drive with the problem was: 254 * QUANTUM QM318000TD-S N491 255 */ 256 /* Reports QUEUE FULL for temporary resource shortages */ 257 { T_DIRECT, SIP_MEDIA_FIXED, quantum, "QM318000*", "*" }, 258 /*quirks*/0, /*mintags*/24, /*maxtags*/32 259 }, 260 { 261 /* 262 * Broken tagged queuing drive 263 * Reported by: Bret Ford <bford@uop.cs.uop.edu> 264 * and: Martin Renters <martin@tdc.on.ca> 265 */ 266 { T_DIRECT, SIP_MEDIA_FIXED, seagate, "ST410800*", "71*" }, 267 /*quirks*/0, /*mintags*/0, /*maxtags*/0 268 }, 269 /* 270 * The Seagate Medalist Pro drives have very poor write 271 * performance with anything more than 2 tags. 272 * 273 * Reported by: Paul van der Zwan <paulz@trantor.xs4all.nl> 274 * Drive: <SEAGATE ST36530N 1444> 275 * 276 * Reported by: Jeremy Lea <reg@shale.csir.co.za> 277 * Drive: <SEAGATE ST34520W 1281> 278 * 279 * No one has actually reported that the 9G version 280 * (ST39140*) of the Medalist Pro has the same problem, but 281 * we're assuming that it does because the 4G and 6.5G 282 * versions of the drive are broken. 283 */ 284 { 285 { T_DIRECT, SIP_MEDIA_FIXED, seagate, "ST34520*", "*"}, 286 /*quirks*/0, /*mintags*/2, /*maxtags*/2 287 }, 288 { 289 { T_DIRECT, SIP_MEDIA_FIXED, seagate, "ST36530*", "*"}, 290 /*quirks*/0, /*mintags*/2, /*maxtags*/2 291 }, 292 { 293 { T_DIRECT, SIP_MEDIA_FIXED, seagate, "ST39140*", "*"}, 294 /*quirks*/0, /*mintags*/2, /*maxtags*/2 295 }, 296 { 297 /* 298 * Experiences command timeouts under load with a 299 * tag count higher than 55. 300 */ 301 { T_DIRECT, SIP_MEDIA_FIXED, seagate, "ST3146855LW", "*"}, 302 /*quirks*/0, /*mintags*/2, /*maxtags*/55 303 }, 304 { 305 /* 306 * Slow when tagged queueing is enabled. Write performance 307 * steadily drops off with more and more concurrent 308 * transactions. Best sequential write performance with 309 * tagged queueing turned off and write caching turned on. 310 * 311 * PR: kern/10398 312 * Submitted by: Hideaki Okada <hokada@isl.melco.co.jp> 313 * Drive: DCAS-34330 w/ "S65A" firmware. 314 * 315 * The drive with the problem had the "S65A" firmware 316 * revision, and has also been reported (by Stephen J. 317 * Roznowski <sjr@home.net>) for a drive with the "S61A" 318 * firmware revision. 319 * 320 * Although no one has reported problems with the 2 gig 321 * version of the DCAS drive, the assumption is that it 322 * has the same problems as the 4 gig version. Therefore 323 * this quirk entries disables tagged queueing for all 324 * DCAS drives. 325 */ 326 { T_DIRECT, SIP_MEDIA_FIXED, "IBM", "DCAS*", "*" }, 327 /*quirks*/0, /*mintags*/0, /*maxtags*/0 328 }, 329 { 330 /* Broken tagged queuing drive */ 331 { T_DIRECT, SIP_MEDIA_REMOVABLE, "iomega", "jaz*", "*" }, 332 /*quirks*/0, /*mintags*/0, /*maxtags*/0 333 }, 334 { 335 /* Broken tagged queuing drive */ 336 { T_DIRECT, SIP_MEDIA_FIXED, "CONNER", "CFP2107*", "*" }, 337 /*quirks*/0, /*mintags*/0, /*maxtags*/0 338 }, 339 { 340 /* This does not support other than LUN 0 */ 341 { T_DIRECT, SIP_MEDIA_FIXED, "VMware*", "*", "*" }, 342 CAM_QUIRK_NOLUNS, /*mintags*/2, /*maxtags*/255 343 }, 344 { 345 /* 346 * Broken tagged queuing drive. 347 * Submitted by: 348 * NAKAJI Hiroyuki <nakaji@zeisei.dpri.kyoto-u.ac.jp> 349 * in PR kern/9535 350 */ 351 { T_DIRECT, SIP_MEDIA_FIXED, samsung, "WN34324U*", "*" }, 352 /*quirks*/0, /*mintags*/0, /*maxtags*/0 353 }, 354 { 355 /* 356 * Slow when tagged queueing is enabled. (1.5MB/sec versus 357 * 8MB/sec.) 358 * Submitted by: Andrew Gallatin <gallatin@cs.duke.edu> 359 * Best performance with these drives is achieved with 360 * tagged queueing turned off, and write caching turned on. 361 */ 362 { T_DIRECT, SIP_MEDIA_FIXED, west_digital, "WDE*", "*" }, 363 /*quirks*/0, /*mintags*/0, /*maxtags*/0 364 }, 365 { 366 /* 367 * Slow when tagged queueing is enabled. (1.5MB/sec versus 368 * 8MB/sec.) 369 * Submitted by: Andrew Gallatin <gallatin@cs.duke.edu> 370 * Best performance with these drives is achieved with 371 * tagged queueing turned off, and write caching turned on. 372 */ 373 { T_DIRECT, SIP_MEDIA_FIXED, west_digital, "ENTERPRISE", "*" }, 374 /*quirks*/0, /*mintags*/0, /*maxtags*/0 375 }, 376 { 377 /* 378 * Doesn't handle queue full condition correctly, 379 * so we need to limit maxtags to what the device 380 * can handle instead of determining this automatically. 381 */ 382 { T_DIRECT, SIP_MEDIA_FIXED, samsung, "WN321010S*", "*" }, 383 /*quirks*/0, /*mintags*/2, /*maxtags*/32 384 }, 385 { 386 /* Really only one LUN */ 387 { T_ENCLOSURE, SIP_MEDIA_FIXED, "SUN", "SENA", "*" }, 388 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 389 }, 390 { 391 /* I can't believe we need a quirk for DPT volumes. */ 392 { T_ANY, SIP_MEDIA_FIXED|SIP_MEDIA_REMOVABLE, "DPT", "*", "*" }, 393 CAM_QUIRK_NOLUNS, 394 /*mintags*/0, /*maxtags*/255 395 }, 396 { 397 /* 398 * Many Sony CDROM drives don't like multi-LUN probing. 399 */ 400 { T_CDROM, SIP_MEDIA_REMOVABLE, sony, "CD-ROM CDU*", "*" }, 401 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 402 }, 403 { 404 /* 405 * This drive doesn't like multiple LUN probing. 406 * Submitted by: Parag Patel <parag@cgt.com> 407 */ 408 { T_WORM, SIP_MEDIA_REMOVABLE, sony, "CD-R CDU9*", "*" }, 409 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 410 }, 411 { 412 { T_WORM, SIP_MEDIA_REMOVABLE, "YAMAHA", "CDR100*", "*" }, 413 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 414 }, 415 { 416 /* 417 * The 8200 doesn't like multi-lun probing, and probably 418 * don't like serial number requests either. 419 */ 420 { 421 T_SEQUENTIAL, SIP_MEDIA_REMOVABLE, "EXABYTE", 422 "EXB-8200*", "*" 423 }, 424 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 425 }, 426 { 427 /* 428 * Let's try the same as above, but for a drive that says 429 * it's an IPL-6860 but is actually an EXB 8200. 430 */ 431 { 432 T_SEQUENTIAL, SIP_MEDIA_REMOVABLE, "EXABYTE", 433 "IPL-6860*", "*" 434 }, 435 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 436 }, 437 { 438 /* 439 * These Hitachi drives don't like multi-lun probing. 440 * The PR submitter has a DK319H, but says that the Linux 441 * kernel has a similar work-around for the DK312 and DK314, 442 * so all DK31* drives are quirked here. 443 * PR: misc/18793 444 * Submitted by: Paul Haddad <paul@pth.com> 445 */ 446 { T_DIRECT, SIP_MEDIA_FIXED, "HITACHI", "DK31*", "*" }, 447 CAM_QUIRK_NOLUNS, /*mintags*/2, /*maxtags*/255 448 }, 449 { 450 /* 451 * The Hitachi CJ series with J8A8 firmware apparantly has 452 * problems with tagged commands. 453 * PR: 23536 454 * Reported by: amagai@nue.org 455 */ 456 { T_DIRECT, SIP_MEDIA_FIXED, "HITACHI", "DK32CJ*", "J8A8" }, 457 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 458 }, 459 { 460 /* 461 * These are the large storage arrays. 462 * Submitted by: William Carrel <william.carrel@infospace.com> 463 */ 464 { T_DIRECT, SIP_MEDIA_FIXED, "HITACHI", "OPEN*", "*" }, 465 CAM_QUIRK_HILUNS, 2, 1024 466 }, 467 { 468 /* 469 * This old revision of the TDC3600 is also SCSI-1, and 470 * hangs upon serial number probing. 471 */ 472 { 473 T_SEQUENTIAL, SIP_MEDIA_REMOVABLE, "TANDBERG", 474 " TDC 3600", "U07:" 475 }, 476 CAM_QUIRK_NOVPDS, /*mintags*/0, /*maxtags*/0 477 }, 478 { 479 /* 480 * Would repond to all LUNs if asked for. 481 */ 482 { 483 T_SEQUENTIAL, SIP_MEDIA_REMOVABLE, "CALIPER", 484 "CP150", "*" 485 }, 486 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 487 }, 488 { 489 /* 490 * Would repond to all LUNs if asked for. 491 */ 492 { 493 T_SEQUENTIAL, SIP_MEDIA_REMOVABLE, "KENNEDY", 494 "96X2*", "*" 495 }, 496 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 497 }, 498 { 499 /* Submitted by: Matthew Dodd <winter@jurai.net> */ 500 { T_PROCESSOR, SIP_MEDIA_FIXED, "Cabletrn", "EA41*", "*" }, 501 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 502 }, 503 { 504 /* Submitted by: Matthew Dodd <winter@jurai.net> */ 505 { T_PROCESSOR, SIP_MEDIA_FIXED, "CABLETRN", "EA41*", "*" }, 506 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 507 }, 508 { 509 /* TeraSolutions special settings for TRC-22 RAID */ 510 { T_DIRECT, SIP_MEDIA_FIXED, "TERASOLU", "TRC-22", "*" }, 511 /*quirks*/0, /*mintags*/55, /*maxtags*/255 512 }, 513 { 514 /* Veritas Storage Appliance */ 515 { T_DIRECT, SIP_MEDIA_FIXED, "VERITAS", "*", "*" }, 516 CAM_QUIRK_HILUNS, /*mintags*/2, /*maxtags*/1024 517 }, 518 { 519 /* 520 * Would respond to all LUNs. Device type and removable 521 * flag are jumper-selectable. 522 */ 523 { T_ANY, SIP_MEDIA_REMOVABLE|SIP_MEDIA_FIXED, "MaxOptix", 524 "Tahiti 1", "*" 525 }, 526 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 527 }, 528 { 529 /* EasyRAID E5A aka. areca ARC-6010 */ 530 { T_DIRECT, SIP_MEDIA_FIXED, "easyRAID", "*", "*" }, 531 CAM_QUIRK_NOHILUNS, /*mintags*/2, /*maxtags*/255 532 }, 533 { 534 { T_ENCLOSURE, SIP_MEDIA_FIXED, "DP", "BACKPLANE", "*" }, 535 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 536 }, 537 { 538 { T_DIRECT, SIP_MEDIA_REMOVABLE, "Garmin", "*", "*" }, 539 CAM_QUIRK_NORPTLUNS, /*mintags*/2, /*maxtags*/255 540 }, 541 { 542 /* Default tagged queuing parameters for all devices */ 543 { 544 T_ANY, SIP_MEDIA_REMOVABLE|SIP_MEDIA_FIXED, 545 /*vendor*/"*", /*product*/"*", /*revision*/"*" 546 }, 547 /*quirks*/0, /*mintags*/2, /*maxtags*/255 548 }, 549 }; 550 551 static const int scsi_quirk_table_size = 552 sizeof(scsi_quirk_table) / sizeof(*scsi_quirk_table); 553 554 static cam_status proberegister(struct cam_periph *periph, 555 void *arg); 556 static void probeschedule(struct cam_periph *probe_periph); 557 static int device_has_vpd(struct cam_ed *device, uint8_t page_id); 558 static void probestart(struct cam_periph *periph, union ccb *start_ccb); 559 static void proberequestdefaultnegotiation(struct cam_periph *periph); 560 static int proberequestbackoff(struct cam_periph *periph, 561 struct cam_ed *device); 562 static void probedone(struct cam_periph *periph, union ccb *done_ccb); 563 static int probe_strange_rpl_data(struct scsi_report_luns_data *rp, 564 uint32_t maxlun); 565 static void probe_purge_old(struct cam_path *path, 566 struct scsi_report_luns_data *new); 567 static void probecleanup(struct cam_periph *periph); 568 static void scsi_find_quirk(struct cam_ed *device); 569 static void scsi_scan_bus(struct cam_periph *periph, union ccb *ccb); 570 static void scsi_scan_lun(struct cam_periph *periph, 571 struct cam_path *path, cam_flags flags, 572 union ccb *ccb); 573 static void xptscandone(struct cam_periph *periph, union ccb *done_ccb); 574 static struct cam_ed * 575 scsi_alloc_device(struct cam_eb *bus, struct cam_et *target, 576 lun_id_t lun_id); 577 static void scsi_devise_transport(struct cam_path *path); 578 static void scsi_set_transfer_settings(struct ccb_trans_settings *cts, 579 struct cam_ed *device, 580 int async_update); 581 static void scsi_toggle_tags(struct cam_path *path); 582 static void scsi_dev_async(u_int32_t async_code, 583 struct cam_eb *bus, 584 struct cam_et *target, 585 struct cam_ed *device, 586 void *async_arg); 587 static void scsi_action(union ccb *start_ccb); 588 static void scsi_announce_periph(struct cam_periph *periph); 589 590 static struct xpt_xport scsi_xport = { 591 .alloc_device = scsi_alloc_device, 592 .action = scsi_action, 593 .async = scsi_dev_async, 594 .announce = scsi_announce_periph, 595 }; 596 597 struct xpt_xport * 598 scsi_get_xport(void) 599 { 600 return (&scsi_xport); 601 } 602 603 static void 604 probe_periph_init() 605 { 606 } 607 608 static cam_status 609 proberegister(struct cam_periph *periph, void *arg) 610 { 611 union ccb *request_ccb; /* CCB representing the probe request */ 612 cam_status status; 613 probe_softc *softc; 614 615 request_ccb = (union ccb *)arg; 616 if (periph == NULL) { 617 printf("proberegister: periph was NULL!!\n"); 618 return(CAM_REQ_CMP_ERR); 619 } 620 621 if (request_ccb == NULL) { 622 printf("proberegister: no probe CCB, " 623 "can't register device\n"); 624 return(CAM_REQ_CMP_ERR); 625 } 626 627 softc = (probe_softc *)malloc(sizeof(*softc), M_CAMXPT, M_NOWAIT); 628 629 if (softc == NULL) { 630 printf("proberegister: Unable to probe new device. " 631 "Unable to allocate softc\n"); 632 return(CAM_REQ_CMP_ERR); 633 } 634 TAILQ_INIT(&softc->request_ccbs); 635 TAILQ_INSERT_TAIL(&softc->request_ccbs, &request_ccb->ccb_h, 636 periph_links.tqe); 637 softc->flags = 0; 638 periph->softc = softc; 639 softc->periph = periph; 640 softc->action = PROBE_INVALID; 641 status = cam_periph_acquire(periph); 642 if (status != CAM_REQ_CMP) { 643 return (status); 644 } 645 646 647 /* 648 * Ensure we've waited at least a bus settle 649 * delay before attempting to probe the device. 650 * For HBAs that don't do bus resets, this won't make a difference. 651 */ 652 cam_periph_freeze_after_event(periph, &periph->path->bus->last_reset, 653 scsi_delay); 654 /* 655 * Ensure nobody slip in until probe finish. 656 */ 657 cam_freeze_devq_arg(periph->path, 658 RELSIM_RELEASE_RUNLEVEL, CAM_RL_XPT + 1); 659 probeschedule(periph); 660 return(CAM_REQ_CMP); 661 } 662 663 static void 664 probeschedule(struct cam_periph *periph) 665 { 666 struct ccb_pathinq cpi; 667 union ccb *ccb; 668 probe_softc *softc; 669 670 softc = (probe_softc *)periph->softc; 671 ccb = (union ccb *)TAILQ_FIRST(&softc->request_ccbs); 672 673 xpt_setup_ccb(&cpi.ccb_h, periph->path, CAM_PRIORITY_NONE); 674 cpi.ccb_h.func_code = XPT_PATH_INQ; 675 xpt_action((union ccb *)&cpi); 676 677 /* 678 * If a device has gone away and another device, or the same one, 679 * is back in the same place, it should have a unit attention 680 * condition pending. It will not report the unit attention in 681 * response to an inquiry, which may leave invalid transfer 682 * negotiations in effect. The TUR will reveal the unit attention 683 * condition. Only send the TUR for lun 0, since some devices 684 * will get confused by commands other than inquiry to non-existent 685 * luns. If you think a device has gone away start your scan from 686 * lun 0. This will insure that any bogus transfer settings are 687 * invalidated. 688 * 689 * If we haven't seen the device before and the controller supports 690 * some kind of transfer negotiation, negotiate with the first 691 * sent command if no bus reset was performed at startup. This 692 * ensures that the device is not confused by transfer negotiation 693 * settings left over by loader or BIOS action. 694 */ 695 if (((ccb->ccb_h.path->device->flags & CAM_DEV_UNCONFIGURED) == 0) 696 && (ccb->ccb_h.target_lun == 0)) { 697 PROBE_SET_ACTION(softc, PROBE_TUR); 698 } else if ((cpi.hba_inquiry & (PI_WIDE_32|PI_WIDE_16|PI_SDTR_ABLE)) != 0 699 && (cpi.hba_misc & PIM_NOBUSRESET) != 0) { 700 proberequestdefaultnegotiation(periph); 701 PROBE_SET_ACTION(softc, PROBE_INQUIRY); 702 } else { 703 PROBE_SET_ACTION(softc, PROBE_INQUIRY); 704 } 705 706 if (ccb->crcn.flags & CAM_EXPECT_INQ_CHANGE) 707 softc->flags |= PROBE_NO_ANNOUNCE; 708 else 709 softc->flags &= ~PROBE_NO_ANNOUNCE; 710 711 xpt_schedule(periph, CAM_PRIORITY_XPT); 712 } 713 714 static int 715 device_has_vpd(struct cam_ed *device, uint8_t page_id) 716 { 717 int i, num_pages; 718 struct scsi_vpd_supported_pages *vpds; 719 720 vpds = (struct scsi_vpd_supported_pages *)device->supported_vpds; 721 num_pages = device->supported_vpds_len - SVPD_SUPPORTED_PAGES_HDR_LEN; 722 for (i = 0;i < num_pages;i++) 723 if (vpds->page_list[i] == page_id) 724 return 1; 725 726 return 0; 727 } 728 729 static void 730 probestart(struct cam_periph *periph, union ccb *start_ccb) 731 { 732 /* Probe the device that our peripheral driver points to */ 733 struct ccb_scsiio *csio; 734 probe_softc *softc; 735 736 CAM_DEBUG(start_ccb->ccb_h.path, CAM_DEBUG_TRACE, ("probestart\n")); 737 738 softc = (probe_softc *)periph->softc; 739 csio = &start_ccb->csio; 740 again: 741 742 switch (softc->action) { 743 case PROBE_TUR: 744 case PROBE_TUR_FOR_NEGOTIATION: 745 case PROBE_DV_EXIT: 746 { 747 scsi_test_unit_ready(csio, 748 /*retries*/10, 749 probedone, 750 MSG_SIMPLE_Q_TAG, 751 SSD_FULL_SIZE, 752 /*timeout*/60000); 753 break; 754 } 755 case PROBE_INQUIRY: 756 case PROBE_FULL_INQUIRY: 757 case PROBE_INQUIRY_BASIC_DV1: 758 case PROBE_INQUIRY_BASIC_DV2: 759 { 760 u_int inquiry_len; 761 struct scsi_inquiry_data *inq_buf; 762 763 inq_buf = &periph->path->device->inq_data; 764 765 /* 766 * If the device is currently configured, we calculate an 767 * MD5 checksum of the inquiry data, and if the serial number 768 * length is greater than 0, add the serial number data 769 * into the checksum as well. Once the inquiry and the 770 * serial number check finish, we attempt to figure out 771 * whether we still have the same device. 772 */ 773 if ((periph->path->device->flags & CAM_DEV_UNCONFIGURED) == 0) { 774 775 MD5Init(&softc->context); 776 MD5Update(&softc->context, (unsigned char *)inq_buf, 777 sizeof(struct scsi_inquiry_data)); 778 softc->flags |= PROBE_INQUIRY_CKSUM; 779 if (periph->path->device->serial_num_len > 0) { 780 MD5Update(&softc->context, 781 periph->path->device->serial_num, 782 periph->path->device->serial_num_len); 783 softc->flags |= PROBE_SERIAL_CKSUM; 784 } 785 MD5Final(softc->digest, &softc->context); 786 } 787 788 if (softc->action == PROBE_INQUIRY) 789 inquiry_len = SHORT_INQUIRY_LENGTH; 790 else 791 inquiry_len = SID_ADDITIONAL_LENGTH(inq_buf); 792 793 /* 794 * Some parallel SCSI devices fail to send an 795 * ignore wide residue message when dealing with 796 * odd length inquiry requests. Round up to be 797 * safe. 798 */ 799 inquiry_len = roundup2(inquiry_len, 2); 800 801 if (softc->action == PROBE_INQUIRY_BASIC_DV1 802 || softc->action == PROBE_INQUIRY_BASIC_DV2) { 803 inq_buf = malloc(inquiry_len, M_CAMXPT, M_NOWAIT); 804 } 805 if (inq_buf == NULL) { 806 xpt_print(periph->path, "malloc failure- skipping Basic" 807 "Domain Validation\n"); 808 PROBE_SET_ACTION(softc, PROBE_DV_EXIT); 809 scsi_test_unit_ready(csio, 810 /*retries*/4, 811 probedone, 812 MSG_SIMPLE_Q_TAG, 813 SSD_FULL_SIZE, 814 /*timeout*/60000); 815 break; 816 } 817 scsi_inquiry(csio, 818 /*retries*/4, 819 probedone, 820 MSG_SIMPLE_Q_TAG, 821 (u_int8_t *)inq_buf, 822 inquiry_len, 823 /*evpd*/FALSE, 824 /*page_code*/0, 825 SSD_MIN_SIZE, 826 /*timeout*/60 * 1000); 827 break; 828 } 829 case PROBE_REPORT_LUNS: 830 { 831 void *rp; 832 833 rp = malloc(periph->path->target->rpl_size, 834 M_CAMXPT, M_NOWAIT | M_ZERO); 835 if (rp == NULL) { 836 struct scsi_inquiry_data *inq_buf; 837 inq_buf = &periph->path->device->inq_data; 838 xpt_print(periph->path, 839 "Unable to alloc report luns storage\n"); 840 if (INQ_DATA_TQ_ENABLED(inq_buf)) 841 PROBE_SET_ACTION(softc, PROBE_MODE_SENSE); 842 else 843 PROBE_SET_ACTION(softc, 844 PROBE_SUPPORTED_VPD_LIST); 845 goto again; 846 } 847 scsi_report_luns(csio, 5, probedone, MSG_SIMPLE_Q_TAG, 848 RPL_REPORT_DEFAULT, rp, periph->path->target->rpl_size, 849 SSD_FULL_SIZE, 60000); break; 850 break; 851 } 852 case PROBE_MODE_SENSE: 853 { 854 void *mode_buf; 855 int mode_buf_len; 856 857 mode_buf_len = sizeof(struct scsi_mode_header_6) 858 + sizeof(struct scsi_mode_blk_desc) 859 + sizeof(struct scsi_control_page); 860 mode_buf = malloc(mode_buf_len, M_CAMXPT, M_NOWAIT); 861 if (mode_buf != NULL) { 862 scsi_mode_sense(csio, 863 /*retries*/4, 864 probedone, 865 MSG_SIMPLE_Q_TAG, 866 /*dbd*/FALSE, 867 SMS_PAGE_CTRL_CURRENT, 868 SMS_CONTROL_MODE_PAGE, 869 mode_buf, 870 mode_buf_len, 871 SSD_FULL_SIZE, 872 /*timeout*/60000); 873 break; 874 } 875 xpt_print(periph->path, "Unable to mode sense control page - " 876 "malloc failure\n"); 877 PROBE_SET_ACTION(softc, PROBE_SUPPORTED_VPD_LIST); 878 } 879 /* FALLTHROUGH */ 880 case PROBE_SUPPORTED_VPD_LIST: 881 { 882 struct scsi_vpd_supported_page_list *vpd_list; 883 struct cam_ed *device; 884 885 vpd_list = NULL; 886 device = periph->path->device; 887 888 if ((SCSI_QUIRK(device)->quirks & CAM_QUIRK_NOVPDS) == 0) 889 vpd_list = malloc(sizeof(*vpd_list), M_CAMXPT, 890 M_NOWAIT | M_ZERO); 891 892 if (vpd_list != NULL) { 893 scsi_inquiry(csio, 894 /*retries*/4, 895 probedone, 896 MSG_SIMPLE_Q_TAG, 897 (u_int8_t *)vpd_list, 898 sizeof(*vpd_list), 899 /*evpd*/TRUE, 900 SVPD_SUPPORTED_PAGE_LIST, 901 SSD_MIN_SIZE, 902 /*timeout*/60 * 1000); 903 break; 904 } 905 /* 906 * We'll have to do without, let our probedone 907 * routine finish up for us. 908 */ 909 start_ccb->csio.data_ptr = NULL; 910 probedone(periph, start_ccb); 911 return; 912 } 913 case PROBE_DEVICE_ID: 914 { 915 struct scsi_vpd_device_id *devid; 916 struct cam_ed *device; 917 918 devid = NULL; 919 device = periph->path->device; 920 if (device_has_vpd(device, SVPD_DEVICE_ID)) 921 devid = malloc(SVPD_DEVICE_ID_MAX_SIZE, M_CAMXPT, 922 M_NOWAIT | M_ZERO); 923 924 if (devid != NULL) { 925 scsi_inquiry(csio, 926 /*retries*/4, 927 probedone, 928 MSG_SIMPLE_Q_TAG, 929 (uint8_t *)devid, 930 SVPD_DEVICE_ID_MAX_SIZE, 931 /*evpd*/TRUE, 932 SVPD_DEVICE_ID, 933 SSD_MIN_SIZE, 934 /*timeout*/60 * 1000); 935 break; 936 } 937 /* 938 * We'll have to do without, let our probedone 939 * routine finish up for us. 940 */ 941 start_ccb->csio.data_ptr = NULL; 942 probedone(periph, start_ccb); 943 return; 944 } 945 case PROBE_SERIAL_NUM: 946 { 947 struct scsi_vpd_unit_serial_number *serial_buf; 948 struct cam_ed* device; 949 950 serial_buf = NULL; 951 device = periph->path->device; 952 if (device->serial_num != NULL) { 953 free(device->serial_num, M_CAMXPT); 954 device->serial_num = NULL; 955 device->serial_num_len = 0; 956 } 957 958 if (device_has_vpd(device, SVPD_UNIT_SERIAL_NUMBER)) 959 serial_buf = (struct scsi_vpd_unit_serial_number *) 960 malloc(sizeof(*serial_buf), M_CAMXPT, 961 M_NOWAIT|M_ZERO); 962 963 if (serial_buf != NULL) { 964 scsi_inquiry(csio, 965 /*retries*/4, 966 probedone, 967 MSG_SIMPLE_Q_TAG, 968 (u_int8_t *)serial_buf, 969 sizeof(*serial_buf), 970 /*evpd*/TRUE, 971 SVPD_UNIT_SERIAL_NUMBER, 972 SSD_MIN_SIZE, 973 /*timeout*/60 * 1000); 974 break; 975 } 976 /* 977 * We'll have to do without, let our probedone 978 * routine finish up for us. 979 */ 980 start_ccb->csio.data_ptr = NULL; 981 probedone(periph, start_ccb); 982 return; 983 } 984 case PROBE_INVALID: 985 CAM_DEBUG(start_ccb->ccb_h.path, CAM_DEBUG_INFO, 986 ("probestart: invalid action state\n")); 987 default: 988 break; 989 } 990 xpt_action(start_ccb); 991 } 992 993 static void 994 proberequestdefaultnegotiation(struct cam_periph *periph) 995 { 996 struct ccb_trans_settings cts; 997 998 xpt_setup_ccb(&cts.ccb_h, periph->path, CAM_PRIORITY_NONE); 999 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 1000 cts.type = CTS_TYPE_USER_SETTINGS; 1001 xpt_action((union ccb *)&cts); 1002 if ((cts.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1003 return; 1004 } 1005 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 1006 cts.type = CTS_TYPE_CURRENT_SETTINGS; 1007 xpt_action((union ccb *)&cts); 1008 } 1009 1010 /* 1011 * Backoff Negotiation Code- only pertinent for SPI devices. 1012 */ 1013 static int 1014 proberequestbackoff(struct cam_periph *periph, struct cam_ed *device) 1015 { 1016 struct ccb_trans_settings cts; 1017 struct ccb_trans_settings_spi *spi; 1018 1019 memset(&cts, 0, sizeof (cts)); 1020 xpt_setup_ccb(&cts.ccb_h, periph->path, CAM_PRIORITY_NONE); 1021 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 1022 cts.type = CTS_TYPE_CURRENT_SETTINGS; 1023 xpt_action((union ccb *)&cts); 1024 if ((cts.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1025 if (bootverbose) { 1026 xpt_print(periph->path, 1027 "failed to get current device settings\n"); 1028 } 1029 return (0); 1030 } 1031 if (cts.transport != XPORT_SPI) { 1032 if (bootverbose) { 1033 xpt_print(periph->path, "not SPI transport\n"); 1034 } 1035 return (0); 1036 } 1037 spi = &cts.xport_specific.spi; 1038 1039 /* 1040 * We cannot renegotiate sync rate if we don't have one. 1041 */ 1042 if ((spi->valid & CTS_SPI_VALID_SYNC_RATE) == 0) { 1043 if (bootverbose) { 1044 xpt_print(periph->path, "no sync rate known\n"); 1045 } 1046 return (0); 1047 } 1048 1049 /* 1050 * We'll assert that we don't have to touch PPR options- the 1051 * SIM will see what we do with period and offset and adjust 1052 * the PPR options as appropriate. 1053 */ 1054 1055 /* 1056 * A sync rate with unknown or zero offset is nonsensical. 1057 * A sync period of zero means Async. 1058 */ 1059 if ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) == 0 1060 || spi->sync_offset == 0 || spi->sync_period == 0) { 1061 if (bootverbose) { 1062 xpt_print(periph->path, "no sync rate available\n"); 1063 } 1064 return (0); 1065 } 1066 1067 if (device->flags & CAM_DEV_DV_HIT_BOTTOM) { 1068 CAM_DEBUG(periph->path, CAM_DEBUG_INFO, 1069 ("hit async: giving up on DV\n")); 1070 return (0); 1071 } 1072 1073 1074 /* 1075 * Jump sync_period up by one, but stop at 5MHz and fall back to Async. 1076 * We don't try to remember 'last' settings to see if the SIM actually 1077 * gets into the speed we want to set. We check on the SIM telling 1078 * us that a requested speed is bad, but otherwise don't try and 1079 * check the speed due to the asynchronous and handshake nature 1080 * of speed setting. 1081 */ 1082 spi->valid = CTS_SPI_VALID_SYNC_RATE | CTS_SPI_VALID_SYNC_OFFSET; 1083 for (;;) { 1084 spi->sync_period++; 1085 if (spi->sync_period >= 0xf) { 1086 spi->sync_period = 0; 1087 spi->sync_offset = 0; 1088 CAM_DEBUG(periph->path, CAM_DEBUG_INFO, 1089 ("setting to async for DV\n")); 1090 /* 1091 * Once we hit async, we don't want to try 1092 * any more settings. 1093 */ 1094 device->flags |= CAM_DEV_DV_HIT_BOTTOM; 1095 } else if (bootverbose) { 1096 CAM_DEBUG(periph->path, CAM_DEBUG_INFO, 1097 ("DV: period 0x%x\n", spi->sync_period)); 1098 printf("setting period to 0x%x\n", spi->sync_period); 1099 } 1100 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 1101 cts.type = CTS_TYPE_CURRENT_SETTINGS; 1102 xpt_action((union ccb *)&cts); 1103 if ((cts.ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 1104 break; 1105 } 1106 CAM_DEBUG(periph->path, CAM_DEBUG_INFO, 1107 ("DV: failed to set period 0x%x\n", spi->sync_period)); 1108 if (spi->sync_period == 0) { 1109 return (0); 1110 } 1111 } 1112 return (1); 1113 } 1114 1115 #define CCB_COMPLETED_OK(ccb) (((ccb).status & CAM_STATUS_MASK) == CAM_REQ_CMP) 1116 1117 static void 1118 probedone(struct cam_periph *periph, union ccb *done_ccb) 1119 { 1120 probe_softc *softc; 1121 struct cam_path *path; 1122 u_int32_t priority; 1123 1124 CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_TRACE, ("probedone\n")); 1125 1126 softc = (probe_softc *)periph->softc; 1127 path = done_ccb->ccb_h.path; 1128 priority = done_ccb->ccb_h.pinfo.priority; 1129 1130 switch (softc->action) { 1131 case PROBE_TUR: 1132 { 1133 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1134 1135 if (cam_periph_error(done_ccb, 0, 1136 SF_NO_PRINT, NULL) == ERESTART) 1137 return; 1138 else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 1139 /* Don't wedge the queue */ 1140 xpt_release_devq(done_ccb->ccb_h.path, 1141 /*count*/1, 1142 /*run_queue*/TRUE); 1143 } 1144 PROBE_SET_ACTION(softc, PROBE_INQUIRY); 1145 xpt_release_ccb(done_ccb); 1146 xpt_schedule(periph, priority); 1147 return; 1148 } 1149 case PROBE_INQUIRY: 1150 case PROBE_FULL_INQUIRY: 1151 { 1152 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 1153 struct scsi_inquiry_data *inq_buf; 1154 u_int8_t periph_qual; 1155 1156 path->device->flags |= CAM_DEV_INQUIRY_DATA_VALID; 1157 inq_buf = &path->device->inq_data; 1158 1159 periph_qual = SID_QUAL(inq_buf); 1160 1161 if (periph_qual == SID_QUAL_LU_CONNECTED) { 1162 u_int8_t len; 1163 1164 /* 1165 * We conservatively request only 1166 * SHORT_INQUIRY_LEN bytes of inquiry 1167 * information during our first try 1168 * at sending an INQUIRY. If the device 1169 * has more information to give, 1170 * perform a second request specifying 1171 * the amount of information the device 1172 * is willing to give. 1173 */ 1174 len = inq_buf->additional_length 1175 + offsetof(struct scsi_inquiry_data, 1176 additional_length) + 1; 1177 if (softc->action == PROBE_INQUIRY 1178 && len > SHORT_INQUIRY_LENGTH) { 1179 PROBE_SET_ACTION(softc, PROBE_FULL_INQUIRY); 1180 xpt_release_ccb(done_ccb); 1181 xpt_schedule(periph, priority); 1182 return; 1183 } 1184 1185 scsi_find_quirk(path->device); 1186 1187 scsi_devise_transport(path); 1188 1189 if (path->device->lun_id == 0 && 1190 SID_ANSI_REV(inq_buf) > SCSI_REV_SPC2 && 1191 (SCSI_QUIRK(path->device)->quirks & 1192 CAM_QUIRK_NORPTLUNS) == 0) { 1193 PROBE_SET_ACTION(softc, 1194 PROBE_REPORT_LUNS); 1195 /* 1196 * Start with room for *one* lun. 1197 */ 1198 periph->path->target->rpl_size = 16; 1199 } else if (INQ_DATA_TQ_ENABLED(inq_buf)) 1200 PROBE_SET_ACTION(softc, 1201 PROBE_MODE_SENSE); 1202 else 1203 PROBE_SET_ACTION(softc, 1204 PROBE_SUPPORTED_VPD_LIST); 1205 1206 if (path->device->flags & CAM_DEV_UNCONFIGURED) { 1207 path->device->flags &= ~CAM_DEV_UNCONFIGURED; 1208 xpt_acquire_device(path->device); 1209 } 1210 xpt_release_ccb(done_ccb); 1211 xpt_schedule(periph, priority); 1212 return; 1213 } else if (path->device->lun_id == 0 && 1214 SID_ANSI_REV(inq_buf) > SCSI_REV_SPC2 && 1215 (SCSI_QUIRK(path->device)->quirks & 1216 CAM_QUIRK_NORPTLUNS) == 0) { 1217 if (path->device->flags & 1218 CAM_DEV_UNCONFIGURED) { 1219 path->device->flags &= 1220 ~CAM_DEV_UNCONFIGURED; 1221 xpt_acquire_device(path->device); 1222 } 1223 PROBE_SET_ACTION(softc, PROBE_REPORT_LUNS); 1224 periph->path->target->rpl_size = 16; 1225 xpt_release_ccb(done_ccb); 1226 xpt_schedule(periph, priority); 1227 return; 1228 } 1229 } else if (cam_periph_error(done_ccb, 0, 1230 done_ccb->ccb_h.target_lun > 0 1231 ? SF_RETRY_UA|SF_QUIET_IR 1232 : SF_RETRY_UA, 1233 &softc->saved_ccb) == ERESTART) { 1234 return; 1235 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1236 /* Don't wedge the queue */ 1237 xpt_release_devq(done_ccb->ccb_h.path, /*count*/1, 1238 /*run_queue*/TRUE); 1239 } 1240 /* 1241 * If we get to this point, we got an error status back 1242 * from the inquiry and the error status doesn't require 1243 * automatically retrying the command. Therefore, the 1244 * inquiry failed. If we had inquiry information before 1245 * for this device, but this latest inquiry command failed, 1246 * the device has probably gone away. If this device isn't 1247 * already marked unconfigured, notify the peripheral 1248 * drivers that this device is no more. 1249 */ 1250 if ((path->device->flags & CAM_DEV_UNCONFIGURED) == 0) 1251 /* Send the async notification. */ 1252 xpt_async(AC_LOST_DEVICE, path, NULL); 1253 1254 xpt_release_ccb(done_ccb); 1255 break; 1256 } 1257 case PROBE_REPORT_LUNS: 1258 { 1259 struct ccb_scsiio *csio; 1260 struct scsi_report_luns_data *lp; 1261 u_int nlun, maxlun; 1262 1263 csio = &done_ccb->csio; 1264 1265 lp = (struct scsi_report_luns_data *)csio->data_ptr; 1266 nlun = scsi_4btoul(lp->length) / 8; 1267 maxlun = (csio->dxfer_len / 8) - 1; 1268 1269 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1270 if (cam_periph_error(done_ccb, 0, 1271 done_ccb->ccb_h.target_lun > 0 ? 1272 SF_RETRY_UA|SF_QUIET_IR : SF_RETRY_UA, 1273 &softc->saved_ccb) == ERESTART) { 1274 return; 1275 } 1276 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1277 xpt_release_devq(done_ccb->ccb_h.path, 1, 1278 TRUE); 1279 } 1280 free(lp, M_CAMXPT); 1281 lp = NULL; 1282 } else if (nlun > maxlun) { 1283 /* 1284 * Reallocate and retry to cover all luns 1285 */ 1286 CAM_DEBUG_PATH_PRINT(CAM_DEBUG_PROBE, path, 1287 ("reallocating REPORT_LUNS for %u luns\n", nlun)); 1288 free(lp, M_CAMXPT); 1289 path->target->rpl_size = (nlun << 3) + 8; 1290 xpt_release_ccb(done_ccb); 1291 xpt_schedule(periph, priority); 1292 return; 1293 } else if (nlun == 0) { 1294 /* 1295 * If there don't appear to be any luns, bail. 1296 */ 1297 free(lp, M_CAMXPT); 1298 lp = NULL; 1299 } else if (probe_strange_rpl_data(lp, maxlun)) { 1300 /* 1301 * If we can't understand the lun format 1302 * of any entry, bail. 1303 */ 1304 free(lp, M_CAMXPT); 1305 lp = NULL; 1306 } else { 1307 lun_id_t lun; 1308 int idx; 1309 1310 CAM_DEBUG_PATH_PRINT(CAM_DEBUG_PROBE, path, 1311 ("%u luns reported\n", nlun)); 1312 1313 CAM_GET_SIMPLE_LUN(lp, 0, lun); 1314 /* 1315 * If the first lun is not lun 0, then either there 1316 * is no lun 0 in the list, or the list is unsorted. 1317 */ 1318 if (lun != 0) { 1319 for (idx = 0; idx < nlun; idx++) { 1320 CAM_GET_SIMPLE_LUN(lp, idx, lun); 1321 if (lun == 0) { 1322 break; 1323 } 1324 } 1325 if (idx != nlun) { 1326 uint8_t tlun[8]; 1327 memcpy(tlun, 1328 lp->luns[0].lundata, 8); 1329 memcpy(lp->luns[0].lundata, 1330 lp->luns[idx].lundata, 8); 1331 memcpy(lp->luns[idx].lundata, 1332 tlun, 8); 1333 CAM_DEBUG_PATH_PRINT(CAM_DEBUG_PROBE, 1334 path, ("lun 0 in position %u\n", idx)); 1335 } else { 1336 /* 1337 * There is no lun 0 in our list. Destroy 1338 * the validity of the inquiry data so we 1339 * bail here and now. 1340 */ 1341 path->device->flags &= 1342 ~CAM_DEV_INQUIRY_DATA_VALID; 1343 } 1344 } 1345 /* 1346 * If we have an old lun list, We can either 1347 * retest luns that appear to have been dropped, 1348 * or just nuke them. We'll opt for the latter. 1349 * This function will also install the new list 1350 * in the target structure. 1351 */ 1352 probe_purge_old(path, lp); 1353 lp = NULL; 1354 } 1355 if (path->device->flags & CAM_DEV_INQUIRY_DATA_VALID) { 1356 struct scsi_inquiry_data *inq_buf; 1357 inq_buf = &path->device->inq_data; 1358 if (INQ_DATA_TQ_ENABLED(inq_buf)) 1359 PROBE_SET_ACTION(softc, PROBE_MODE_SENSE); 1360 else 1361 PROBE_SET_ACTION(softc, 1362 PROBE_SUPPORTED_VPD_LIST); 1363 xpt_release_ccb(done_ccb); 1364 xpt_schedule(periph, priority); 1365 return; 1366 } 1367 if (lp) { 1368 free(lp, M_CAMXPT); 1369 } 1370 break; 1371 } 1372 case PROBE_MODE_SENSE: 1373 { 1374 struct ccb_scsiio *csio; 1375 struct scsi_mode_header_6 *mode_hdr; 1376 1377 csio = &done_ccb->csio; 1378 mode_hdr = (struct scsi_mode_header_6 *)csio->data_ptr; 1379 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 1380 struct scsi_control_page *page; 1381 u_int8_t *offset; 1382 1383 offset = ((u_int8_t *)&mode_hdr[1]) 1384 + mode_hdr->blk_desc_len; 1385 page = (struct scsi_control_page *)offset; 1386 path->device->queue_flags = page->queue_flags; 1387 } else if (cam_periph_error(done_ccb, 0, 1388 SF_RETRY_UA|SF_NO_PRINT, 1389 &softc->saved_ccb) == ERESTART) { 1390 return; 1391 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1392 /* Don't wedge the queue */ 1393 xpt_release_devq(done_ccb->ccb_h.path, 1394 /*count*/1, /*run_queue*/TRUE); 1395 } 1396 xpt_release_ccb(done_ccb); 1397 free(mode_hdr, M_CAMXPT); 1398 PROBE_SET_ACTION(softc, PROBE_SUPPORTED_VPD_LIST); 1399 xpt_schedule(periph, priority); 1400 return; 1401 } 1402 case PROBE_SUPPORTED_VPD_LIST: 1403 { 1404 struct ccb_scsiio *csio; 1405 struct scsi_vpd_supported_page_list *page_list; 1406 1407 csio = &done_ccb->csio; 1408 page_list = 1409 (struct scsi_vpd_supported_page_list *)csio->data_ptr; 1410 1411 if (path->device->supported_vpds != NULL) { 1412 free(path->device->supported_vpds, M_CAMXPT); 1413 path->device->supported_vpds = NULL; 1414 path->device->supported_vpds_len = 0; 1415 } 1416 1417 if (page_list == NULL) { 1418 /* 1419 * Don't process the command as it was never sent 1420 */ 1421 } else if (CCB_COMPLETED_OK(csio->ccb_h)) { 1422 /* Got vpd list */ 1423 path->device->supported_vpds_len = page_list->length + 1424 SVPD_SUPPORTED_PAGES_HDR_LEN; 1425 path->device->supported_vpds = (uint8_t *)page_list; 1426 xpt_release_ccb(done_ccb); 1427 PROBE_SET_ACTION(softc, PROBE_DEVICE_ID); 1428 xpt_schedule(periph, priority); 1429 return; 1430 } else if (cam_periph_error(done_ccb, 0, 1431 SF_RETRY_UA|SF_NO_PRINT, 1432 &softc->saved_ccb) == ERESTART) { 1433 return; 1434 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1435 /* Don't wedge the queue */ 1436 xpt_release_devq(done_ccb->ccb_h.path, /*count*/1, 1437 /*run_queue*/TRUE); 1438 } 1439 1440 if (page_list) 1441 free(page_list, M_CAMXPT); 1442 /* No VPDs available, skip to device check. */ 1443 csio->data_ptr = NULL; 1444 goto probe_device_check; 1445 } 1446 case PROBE_DEVICE_ID: 1447 { 1448 struct scsi_vpd_device_id *devid; 1449 struct ccb_scsiio *csio; 1450 uint32_t length = 0; 1451 1452 csio = &done_ccb->csio; 1453 devid = (struct scsi_vpd_device_id *)csio->data_ptr; 1454 1455 /* Clean up from previous instance of this device */ 1456 if (path->device->device_id != NULL) { 1457 path->device->device_id_len = 0; 1458 free(path->device->device_id, M_CAMXPT); 1459 path->device->device_id = NULL; 1460 } 1461 1462 if (devid == NULL) { 1463 /* Don't process the command as it was never sent */ 1464 } else if (CCB_COMPLETED_OK(csio->ccb_h)) { 1465 length = scsi_2btoul(devid->length); 1466 if (length != 0) { 1467 /* 1468 * NB: device_id_len is actual response 1469 * size, not buffer size. 1470 */ 1471 path->device->device_id_len = length + 1472 SVPD_DEVICE_ID_HDR_LEN; 1473 path->device->device_id = (uint8_t *)devid; 1474 } 1475 } else if (cam_periph_error(done_ccb, 0, 1476 SF_RETRY_UA, 1477 &softc->saved_ccb) == ERESTART) { 1478 return; 1479 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1480 /* Don't wedge the queue */ 1481 xpt_release_devq(done_ccb->ccb_h.path, /*count*/1, 1482 /*run_queue*/TRUE); 1483 } 1484 1485 /* Free the device id space if we don't use it */ 1486 if (devid && length == 0) 1487 free(devid, M_CAMXPT); 1488 xpt_release_ccb(done_ccb); 1489 PROBE_SET_ACTION(softc, PROBE_SERIAL_NUM); 1490 xpt_schedule(periph, priority); 1491 return; 1492 } 1493 1494 probe_device_check: 1495 case PROBE_SERIAL_NUM: 1496 { 1497 struct ccb_scsiio *csio; 1498 struct scsi_vpd_unit_serial_number *serial_buf; 1499 u_int32_t priority; 1500 int changed; 1501 int have_serialnum; 1502 1503 changed = 1; 1504 have_serialnum = 0; 1505 csio = &done_ccb->csio; 1506 priority = done_ccb->ccb_h.pinfo.priority; 1507 serial_buf = 1508 (struct scsi_vpd_unit_serial_number *)csio->data_ptr; 1509 1510 if (serial_buf == NULL) { 1511 /* 1512 * Don't process the command as it was never sent 1513 */ 1514 } else if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP 1515 && (serial_buf->length > 0)) { 1516 1517 have_serialnum = 1; 1518 path->device->serial_num = 1519 (u_int8_t *)malloc((serial_buf->length + 1), 1520 M_CAMXPT, M_NOWAIT); 1521 if (path->device->serial_num != NULL) { 1522 memcpy(path->device->serial_num, 1523 serial_buf->serial_num, 1524 serial_buf->length); 1525 path->device->serial_num_len = 1526 serial_buf->length; 1527 path->device->serial_num[serial_buf->length] 1528 = '\0'; 1529 } 1530 } else if (cam_periph_error(done_ccb, 0, 1531 SF_RETRY_UA|SF_NO_PRINT, 1532 &softc->saved_ccb) == ERESTART) { 1533 return; 1534 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1535 /* Don't wedge the queue */ 1536 xpt_release_devq(done_ccb->ccb_h.path, /*count*/1, 1537 /*run_queue*/TRUE); 1538 } 1539 1540 /* 1541 * Let's see if we have seen this device before. 1542 */ 1543 if ((softc->flags & PROBE_INQUIRY_CKSUM) != 0) { 1544 MD5_CTX context; 1545 u_int8_t digest[16]; 1546 1547 MD5Init(&context); 1548 1549 MD5Update(&context, 1550 (unsigned char *)&path->device->inq_data, 1551 sizeof(struct scsi_inquiry_data)); 1552 1553 if (have_serialnum) 1554 MD5Update(&context, serial_buf->serial_num, 1555 serial_buf->length); 1556 1557 MD5Final(digest, &context); 1558 if (bcmp(softc->digest, digest, 16) == 0) 1559 changed = 0; 1560 1561 /* 1562 * XXX Do we need to do a TUR in order to ensure 1563 * that the device really hasn't changed??? 1564 */ 1565 if ((changed != 0) 1566 && ((softc->flags & PROBE_NO_ANNOUNCE) == 0)) 1567 xpt_async(AC_LOST_DEVICE, path, NULL); 1568 } 1569 if (serial_buf != NULL) 1570 free(serial_buf, M_CAMXPT); 1571 1572 if (changed != 0) { 1573 /* 1574 * Now that we have all the necessary 1575 * information to safely perform transfer 1576 * negotiations... Controllers don't perform 1577 * any negotiation or tagged queuing until 1578 * after the first XPT_SET_TRAN_SETTINGS ccb is 1579 * received. So, on a new device, just retrieve 1580 * the user settings, and set them as the current 1581 * settings to set the device up. 1582 */ 1583 proberequestdefaultnegotiation(periph); 1584 xpt_release_ccb(done_ccb); 1585 1586 /* 1587 * Perform a TUR to allow the controller to 1588 * perform any necessary transfer negotiation. 1589 */ 1590 PROBE_SET_ACTION(softc, PROBE_TUR_FOR_NEGOTIATION); 1591 xpt_schedule(periph, priority); 1592 return; 1593 } 1594 xpt_release_ccb(done_ccb); 1595 break; 1596 } 1597 case PROBE_TUR_FOR_NEGOTIATION: 1598 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1599 DELAY(500000); 1600 if (cam_periph_error(done_ccb, 0, SF_RETRY_UA, 1601 NULL) == ERESTART) 1602 return; 1603 } 1604 /* FALLTHROUGH */ 1605 case PROBE_DV_EXIT: 1606 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1607 /* Don't wedge the queue */ 1608 xpt_release_devq(done_ccb->ccb_h.path, /*count*/1, 1609 /*run_queue*/TRUE); 1610 } 1611 /* 1612 * Do Domain Validation for lun 0 on devices that claim 1613 * to support Synchronous Transfer modes. 1614 */ 1615 if (softc->action == PROBE_TUR_FOR_NEGOTIATION 1616 && done_ccb->ccb_h.target_lun == 0 1617 && (path->device->inq_data.flags & SID_Sync) != 0 1618 && (path->device->flags & CAM_DEV_IN_DV) == 0) { 1619 CAM_DEBUG(periph->path, CAM_DEBUG_INFO, 1620 ("Begin Domain Validation\n")); 1621 path->device->flags |= CAM_DEV_IN_DV; 1622 xpt_release_ccb(done_ccb); 1623 PROBE_SET_ACTION(softc, PROBE_INQUIRY_BASIC_DV1); 1624 xpt_schedule(periph, priority); 1625 return; 1626 } 1627 if (softc->action == PROBE_DV_EXIT) { 1628 CAM_DEBUG(periph->path, CAM_DEBUG_INFO, 1629 ("Leave Domain Validation\n")); 1630 } 1631 if (path->device->flags & CAM_DEV_UNCONFIGURED) { 1632 path->device->flags &= ~CAM_DEV_UNCONFIGURED; 1633 xpt_acquire_device(path->device); 1634 } 1635 path->device->flags &= 1636 ~(CAM_DEV_IN_DV|CAM_DEV_DV_HIT_BOTTOM); 1637 if ((softc->flags & PROBE_NO_ANNOUNCE) == 0) { 1638 /* Inform the XPT that a new device has been found */ 1639 done_ccb->ccb_h.func_code = XPT_GDEV_TYPE; 1640 xpt_action(done_ccb); 1641 xpt_async(AC_FOUND_DEVICE, done_ccb->ccb_h.path, 1642 done_ccb); 1643 } 1644 xpt_release_ccb(done_ccb); 1645 break; 1646 case PROBE_INQUIRY_BASIC_DV1: 1647 case PROBE_INQUIRY_BASIC_DV2: 1648 { 1649 struct scsi_inquiry_data *nbuf; 1650 struct ccb_scsiio *csio; 1651 1652 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1653 /* Don't wedge the queue */ 1654 xpt_release_devq(done_ccb->ccb_h.path, /*count*/1, 1655 /*run_queue*/TRUE); 1656 } 1657 csio = &done_ccb->csio; 1658 nbuf = (struct scsi_inquiry_data *)csio->data_ptr; 1659 if (bcmp(nbuf, &path->device->inq_data, SHORT_INQUIRY_LENGTH)) { 1660 xpt_print(path, 1661 "inquiry data fails comparison at DV%d step\n", 1662 softc->action == PROBE_INQUIRY_BASIC_DV1 ? 1 : 2); 1663 if (proberequestbackoff(periph, path->device)) { 1664 path->device->flags &= ~CAM_DEV_IN_DV; 1665 PROBE_SET_ACTION(softc, PROBE_TUR_FOR_NEGOTIATION); 1666 } else { 1667 /* give up */ 1668 PROBE_SET_ACTION(softc, PROBE_DV_EXIT); 1669 } 1670 free(nbuf, M_CAMXPT); 1671 xpt_release_ccb(done_ccb); 1672 xpt_schedule(periph, priority); 1673 return; 1674 } 1675 free(nbuf, M_CAMXPT); 1676 if (softc->action == PROBE_INQUIRY_BASIC_DV1) { 1677 PROBE_SET_ACTION(softc, PROBE_INQUIRY_BASIC_DV2); 1678 xpt_release_ccb(done_ccb); 1679 xpt_schedule(periph, priority); 1680 return; 1681 } 1682 if (softc->action == PROBE_INQUIRY_BASIC_DV2) { 1683 CAM_DEBUG(periph->path, CAM_DEBUG_INFO, 1684 ("Leave Domain Validation Successfully\n")); 1685 } 1686 if (path->device->flags & CAM_DEV_UNCONFIGURED) { 1687 path->device->flags &= ~CAM_DEV_UNCONFIGURED; 1688 xpt_acquire_device(path->device); 1689 } 1690 path->device->flags &= 1691 ~(CAM_DEV_IN_DV|CAM_DEV_DV_HIT_BOTTOM); 1692 if ((softc->flags & PROBE_NO_ANNOUNCE) == 0) { 1693 /* Inform the XPT that a new device has been found */ 1694 done_ccb->ccb_h.func_code = XPT_GDEV_TYPE; 1695 xpt_action(done_ccb); 1696 xpt_async(AC_FOUND_DEVICE, done_ccb->ccb_h.path, 1697 done_ccb); 1698 } 1699 xpt_release_ccb(done_ccb); 1700 break; 1701 } 1702 case PROBE_INVALID: 1703 CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_INFO, 1704 ("probedone: invalid action state\n")); 1705 default: 1706 break; 1707 } 1708 done_ccb = (union ccb *)TAILQ_FIRST(&softc->request_ccbs); 1709 TAILQ_REMOVE(&softc->request_ccbs, &done_ccb->ccb_h, periph_links.tqe); 1710 done_ccb->ccb_h.status = CAM_REQ_CMP; 1711 xpt_done(done_ccb); 1712 if (TAILQ_FIRST(&softc->request_ccbs) == NULL) { 1713 cam_periph_invalidate(periph); 1714 cam_release_devq(periph->path, 1715 RELSIM_RELEASE_RUNLEVEL, 0, CAM_RL_XPT + 1, FALSE); 1716 cam_periph_release_locked(periph); 1717 } else { 1718 probeschedule(periph); 1719 } 1720 } 1721 1722 static int 1723 probe_strange_rpl_data(struct scsi_report_luns_data *rp, uint32_t maxlun) 1724 { 1725 uint32_t idx; 1726 uint32_t nlun = MIN(maxlun, (scsi_4btoul(rp->length) / 8)); 1727 1728 for (idx = 0; idx < nlun; idx++) { 1729 if (!CAM_CAN_GET_SIMPLE_LUN(rp, idx)) { 1730 return (-1); 1731 } 1732 } 1733 return (0); 1734 } 1735 1736 static void 1737 probe_purge_old(struct cam_path *path, struct scsi_report_luns_data *new) 1738 { 1739 struct cam_path *tp; 1740 struct scsi_report_luns_data *old; 1741 u_int idx1, idx2, nlun_old, nlun_new, this_lun; 1742 u_int8_t *ol, *nl; 1743 1744 if (path->target == NULL) { 1745 return; 1746 } 1747 if (path->target->luns == NULL) { 1748 path->target->luns = new; 1749 return; 1750 } 1751 old = path->target->luns; 1752 nlun_old = scsi_4btoul(old->length) / 8; 1753 nlun_new = scsi_4btoul(new->length) / 8; 1754 1755 /* 1756 * We are not going to assume sorted lists. Deal. 1757 */ 1758 for (idx1 = 0; idx1 < nlun_old; idx1++) { 1759 ol = old->luns[idx1].lundata; 1760 for (idx2 = 0; idx2 < nlun_new; idx2++) { 1761 nl = new->luns[idx2].lundata; 1762 if (memcmp(nl, ol, 8) == 0) { 1763 break; 1764 } 1765 } 1766 if (idx2 < nlun_new) { 1767 continue; 1768 } 1769 /* 1770 * An 'old' item not in the 'new' list. 1771 * Nuke it. Except that if it is lun 0, 1772 * that would be what the probe state 1773 * machine is currently working on, 1774 * so we won't do that. 1775 * 1776 * We also cannot nuke it if it is 1777 * not in a lun format we understand. 1778 */ 1779 if (!CAM_CAN_GET_SIMPLE_LUN(old, idx1)) { 1780 continue; 1781 } 1782 CAM_GET_SIMPLE_LUN(old, idx1, this_lun); 1783 if (this_lun == 0) { 1784 continue; 1785 } 1786 if (xpt_create_path(&tp, NULL, xpt_path_path_id(path), 1787 xpt_path_target_id(path), this_lun) == CAM_REQ_CMP) { 1788 xpt_async(AC_LOST_DEVICE, tp, NULL); 1789 xpt_free_path(tp); 1790 } 1791 } 1792 free(old, M_CAMXPT); 1793 path->target->luns = new; 1794 } 1795 1796 static void 1797 probecleanup(struct cam_periph *periph) 1798 { 1799 free(periph->softc, M_CAMXPT); 1800 } 1801 1802 static void 1803 scsi_find_quirk(struct cam_ed *device) 1804 { 1805 struct scsi_quirk_entry *quirk; 1806 caddr_t match; 1807 1808 match = cam_quirkmatch((caddr_t)&device->inq_data, 1809 (caddr_t)scsi_quirk_table, 1810 sizeof(scsi_quirk_table) / 1811 sizeof(*scsi_quirk_table), 1812 sizeof(*scsi_quirk_table), scsi_inquiry_match); 1813 1814 if (match == NULL) 1815 panic("xpt_find_quirk: device didn't match wildcard entry!!"); 1816 1817 quirk = (struct scsi_quirk_entry *)match; 1818 device->quirk = quirk; 1819 device->mintags = quirk->mintags; 1820 device->maxtags = quirk->maxtags; 1821 } 1822 1823 static int 1824 sysctl_cam_search_luns(SYSCTL_HANDLER_ARGS) 1825 { 1826 int error, val; 1827 1828 val = cam_srch_hi; 1829 error = sysctl_handle_int(oidp, &val, 0, req); 1830 if (error != 0 || req->newptr == NULL) 1831 return (error); 1832 if (val == 0 || val == 1) { 1833 cam_srch_hi = val; 1834 return (0); 1835 } else { 1836 return (EINVAL); 1837 } 1838 } 1839 1840 typedef struct { 1841 union ccb *request_ccb; 1842 struct ccb_pathinq *cpi; 1843 int counter; 1844 int lunindex[0]; 1845 } scsi_scan_bus_info; 1846 1847 /* 1848 * To start a scan, request_ccb is an XPT_SCAN_BUS ccb. 1849 * As the scan progresses, scsi_scan_bus is used as the 1850 * callback on completion function. 1851 */ 1852 static void 1853 scsi_scan_bus(struct cam_periph *periph, union ccb *request_ccb) 1854 { 1855 CAM_DEBUG(request_ccb->ccb_h.path, CAM_DEBUG_TRACE, 1856 ("scsi_scan_bus\n")); 1857 switch (request_ccb->ccb_h.func_code) { 1858 case XPT_SCAN_BUS: 1859 case XPT_SCAN_TGT: 1860 { 1861 scsi_scan_bus_info *scan_info; 1862 union ccb *work_ccb, *reset_ccb; 1863 struct cam_path *path; 1864 u_int i; 1865 u_int low_target, max_target; 1866 u_int initiator_id; 1867 1868 /* Find out the characteristics of the bus */ 1869 work_ccb = xpt_alloc_ccb_nowait(); 1870 if (work_ccb == NULL) { 1871 request_ccb->ccb_h.status = CAM_RESRC_UNAVAIL; 1872 xpt_done(request_ccb); 1873 return; 1874 } 1875 xpt_setup_ccb(&work_ccb->ccb_h, request_ccb->ccb_h.path, 1876 request_ccb->ccb_h.pinfo.priority); 1877 work_ccb->ccb_h.func_code = XPT_PATH_INQ; 1878 xpt_action(work_ccb); 1879 if (work_ccb->ccb_h.status != CAM_REQ_CMP) { 1880 request_ccb->ccb_h.status = work_ccb->ccb_h.status; 1881 xpt_free_ccb(work_ccb); 1882 xpt_done(request_ccb); 1883 return; 1884 } 1885 1886 if ((work_ccb->cpi.hba_misc & PIM_NOINITIATOR) != 0) { 1887 /* 1888 * Can't scan the bus on an adapter that 1889 * cannot perform the initiator role. 1890 */ 1891 request_ccb->ccb_h.status = CAM_REQ_CMP; 1892 xpt_free_ccb(work_ccb); 1893 xpt_done(request_ccb); 1894 return; 1895 } 1896 1897 /* We may need to reset bus first, if we haven't done it yet. */ 1898 if ((work_ccb->cpi.hba_inquiry & 1899 (PI_WIDE_32|PI_WIDE_16|PI_SDTR_ABLE)) && 1900 !(work_ccb->cpi.hba_misc & PIM_NOBUSRESET) && 1901 !timevalisset(&request_ccb->ccb_h.path->bus->last_reset)) { 1902 reset_ccb = xpt_alloc_ccb_nowait(); 1903 xpt_setup_ccb(&reset_ccb->ccb_h, request_ccb->ccb_h.path, 1904 CAM_PRIORITY_NONE); 1905 reset_ccb->ccb_h.func_code = XPT_RESET_BUS; 1906 xpt_action(reset_ccb); 1907 if (reset_ccb->ccb_h.status != CAM_REQ_CMP) { 1908 request_ccb->ccb_h.status = reset_ccb->ccb_h.status; 1909 xpt_free_ccb(reset_ccb); 1910 xpt_free_ccb(work_ccb); 1911 xpt_done(request_ccb); 1912 return; 1913 } 1914 xpt_free_ccb(reset_ccb); 1915 } 1916 1917 /* Save some state for use while we probe for devices */ 1918 scan_info = (scsi_scan_bus_info *) malloc(sizeof(scsi_scan_bus_info) + 1919 (work_ccb->cpi.max_target * sizeof (u_int)), M_CAMXPT, M_ZERO|M_NOWAIT); 1920 if (scan_info == NULL) { 1921 request_ccb->ccb_h.status = CAM_RESRC_UNAVAIL; 1922 xpt_done(request_ccb); 1923 return; 1924 } 1925 CAM_DEBUG_PATH_PRINT(CAM_DEBUG_PROBE, request_ccb->ccb_h.path, 1926 ("SCAN start for %p\n", scan_info)); 1927 scan_info->request_ccb = request_ccb; 1928 scan_info->cpi = &work_ccb->cpi; 1929 1930 /* Cache on our stack so we can work asynchronously */ 1931 max_target = scan_info->cpi->max_target; 1932 low_target = 0; 1933 initiator_id = scan_info->cpi->initiator_id; 1934 1935 1936 /* 1937 * We can scan all targets in parallel, or do it sequentially. 1938 */ 1939 1940 if (request_ccb->ccb_h.func_code == XPT_SCAN_TGT) { 1941 max_target = low_target = request_ccb->ccb_h.target_id; 1942 scan_info->counter = 0; 1943 } else if (scan_info->cpi->hba_misc & PIM_SEQSCAN) { 1944 max_target = 0; 1945 scan_info->counter = 0; 1946 } else { 1947 scan_info->counter = scan_info->cpi->max_target + 1; 1948 if (scan_info->cpi->initiator_id < scan_info->counter) { 1949 scan_info->counter--; 1950 } 1951 } 1952 1953 for (i = low_target; i <= max_target; i++) { 1954 cam_status status; 1955 if (i == initiator_id) 1956 continue; 1957 1958 status = xpt_create_path(&path, xpt_periph, 1959 request_ccb->ccb_h.path_id, 1960 i, 0); 1961 if (status != CAM_REQ_CMP) { 1962 printf("scsi_scan_bus: xpt_create_path failed" 1963 " with status %#x, bus scan halted\n", 1964 status); 1965 free(scan_info, M_CAMXPT); 1966 request_ccb->ccb_h.status = status; 1967 xpt_free_ccb(work_ccb); 1968 xpt_done(request_ccb); 1969 break; 1970 } 1971 work_ccb = xpt_alloc_ccb_nowait(); 1972 if (work_ccb == NULL) { 1973 xpt_free_ccb((union ccb *)scan_info->cpi); 1974 free(scan_info, M_CAMXPT); 1975 xpt_free_path(path); 1976 request_ccb->ccb_h.status = CAM_RESRC_UNAVAIL; 1977 xpt_done(request_ccb); 1978 break; 1979 } 1980 xpt_setup_ccb(&work_ccb->ccb_h, path, 1981 request_ccb->ccb_h.pinfo.priority); 1982 work_ccb->ccb_h.func_code = XPT_SCAN_LUN; 1983 work_ccb->ccb_h.cbfcnp = scsi_scan_bus; 1984 work_ccb->ccb_h.ppriv_ptr0 = scan_info; 1985 work_ccb->crcn.flags = request_ccb->crcn.flags; 1986 xpt_action(work_ccb); 1987 } 1988 break; 1989 } 1990 case XPT_SCAN_LUN: 1991 { 1992 cam_status status; 1993 struct cam_path *path, *oldpath; 1994 scsi_scan_bus_info *scan_info; 1995 struct cam_et *target; 1996 struct cam_ed *device; 1997 int next_target; 1998 path_id_t path_id; 1999 target_id_t target_id; 2000 lun_id_t lun_id; 2001 2002 oldpath = request_ccb->ccb_h.path; 2003 2004 status = request_ccb->ccb_h.status & CAM_STATUS_MASK; 2005 /* Reuse the same CCB to query if a device was really found */ 2006 scan_info = (scsi_scan_bus_info *)request_ccb->ccb_h.ppriv_ptr0; 2007 xpt_setup_ccb(&request_ccb->ccb_h, request_ccb->ccb_h.path, 2008 request_ccb->ccb_h.pinfo.priority); 2009 request_ccb->ccb_h.func_code = XPT_GDEV_TYPE; 2010 2011 2012 path_id = request_ccb->ccb_h.path_id; 2013 target_id = request_ccb->ccb_h.target_id; 2014 lun_id = request_ccb->ccb_h.target_lun; 2015 xpt_action(request_ccb); 2016 2017 target = request_ccb->ccb_h.path->target; 2018 next_target = 1; 2019 2020 if (target->luns) { 2021 uint32_t first; 2022 u_int nluns = scsi_4btoul(target->luns->length) / 8; 2023 2024 /* 2025 * Make sure we skip over lun 0 if it's the first member 2026 * of the list as we've actually just finished probing 2027 * it. 2028 */ 2029 CAM_GET_SIMPLE_LUN(target->luns, 0, first); 2030 if (first == 0 && scan_info->lunindex[target_id] == 0) { 2031 scan_info->lunindex[target_id]++; 2032 } 2033 2034 if (scan_info->lunindex[target_id] < nluns) { 2035 CAM_GET_SIMPLE_LUN(target->luns, 2036 scan_info->lunindex[target_id], lun_id); 2037 next_target = 0; 2038 CAM_DEBUG_PATH_PRINT(CAM_DEBUG_PROBE, 2039 request_ccb->ccb_h.path, 2040 ("next lun to try at index %u is %u\n", 2041 scan_info->lunindex[target_id], lun_id)); 2042 scan_info->lunindex[target_id]++; 2043 } else { 2044 /* 2045 * We're done with scanning all luns. 2046 * 2047 * Nuke the bogus device for lun 0 if lun 0 2048 * wasn't on the list. 2049 */ 2050 if (first != 0) { 2051 TAILQ_FOREACH(device, 2052 &target->ed_entries, links) { 2053 if (device->lun_id == 0) { 2054 break; 2055 } 2056 } 2057 if (device) { 2058 xpt_release_device(device); 2059 } 2060 } 2061 } 2062 } else if (request_ccb->ccb_h.status != CAM_REQ_CMP) { 2063 int phl; 2064 2065 /* 2066 * If we already probed lun 0 successfully, or 2067 * we have additional configured luns on this 2068 * target that might have "gone away", go onto 2069 * the next lun. 2070 */ 2071 /* 2072 * We may touch devices that we don't 2073 * hold references too, so ensure they 2074 * don't disappear out from under us. 2075 * The target above is referenced by the 2076 * path in the request ccb. 2077 */ 2078 phl = 0; 2079 device = TAILQ_FIRST(&target->ed_entries); 2080 if (device != NULL) { 2081 phl = CAN_SRCH_HI_SPARSE(device); 2082 if (device->lun_id == 0) 2083 device = TAILQ_NEXT(device, links); 2084 } 2085 if ((lun_id != 0) || (device != NULL)) { 2086 if (lun_id < (CAM_SCSI2_MAXLUN-1) || phl) { 2087 lun_id++; 2088 next_target = 0; 2089 } 2090 } 2091 if (lun_id == request_ccb->ccb_h.target_lun 2092 || lun_id > scan_info->cpi->max_lun) 2093 next_target = 1; 2094 } else { 2095 2096 device = request_ccb->ccb_h.path->device; 2097 2098 if ((SCSI_QUIRK(device)->quirks & 2099 CAM_QUIRK_NOLUNS) == 0) { 2100 /* Try the next lun */ 2101 if (lun_id < (CAM_SCSI2_MAXLUN-1) 2102 || CAN_SRCH_HI_DENSE(device)) { 2103 lun_id++; 2104 next_target = 0; 2105 } 2106 } 2107 if (lun_id == request_ccb->ccb_h.target_lun 2108 || lun_id > scan_info->cpi->max_lun) 2109 next_target = 1; 2110 } 2111 2112 /* 2113 * Check to see if we scan any further luns. 2114 */ 2115 if (next_target) { 2116 int done; 2117 2118 /* 2119 * Free the current request path- we're done with it. 2120 */ 2121 xpt_free_path(oldpath); 2122 hop_again: 2123 done = 0; 2124 if (scan_info->request_ccb->ccb_h.func_code == XPT_SCAN_TGT) { 2125 done = 1; 2126 } else if (scan_info->cpi->hba_misc & PIM_SEQSCAN) { 2127 scan_info->counter++; 2128 if (scan_info->counter == 2129 scan_info->cpi->initiator_id) { 2130 scan_info->counter++; 2131 } 2132 if (scan_info->counter >= 2133 scan_info->cpi->max_target+1) { 2134 done = 1; 2135 } 2136 } else { 2137 scan_info->counter--; 2138 if (scan_info->counter == 0) { 2139 done = 1; 2140 } 2141 } 2142 if (done) { 2143 xpt_free_ccb(request_ccb); 2144 xpt_free_ccb((union ccb *)scan_info->cpi); 2145 request_ccb = scan_info->request_ccb; 2146 CAM_DEBUG_PATH_PRINT(CAM_DEBUG_PROBE, 2147 request_ccb->ccb_h.path, 2148 ("SCAN done for %p\n", scan_info)); 2149 free(scan_info, M_CAMXPT); 2150 request_ccb->ccb_h.status = CAM_REQ_CMP; 2151 xpt_done(request_ccb); 2152 break; 2153 } 2154 2155 if ((scan_info->cpi->hba_misc & PIM_SEQSCAN) == 0) { 2156 xpt_free_ccb(request_ccb); 2157 break; 2158 } 2159 status = xpt_create_path(&path, xpt_periph, 2160 scan_info->request_ccb->ccb_h.path_id, 2161 scan_info->counter, 0); 2162 if (status != CAM_REQ_CMP) { 2163 printf("scsi_scan_bus: xpt_create_path failed" 2164 " with status %#x, bus scan halted\n", 2165 status); 2166 xpt_free_ccb(request_ccb); 2167 xpt_free_ccb((union ccb *)scan_info->cpi); 2168 request_ccb = scan_info->request_ccb; 2169 free(scan_info, M_CAMXPT); 2170 request_ccb->ccb_h.status = status; 2171 xpt_done(request_ccb); 2172 break; 2173 } 2174 xpt_setup_ccb(&request_ccb->ccb_h, path, 2175 request_ccb->ccb_h.pinfo.priority); 2176 request_ccb->ccb_h.func_code = XPT_SCAN_LUN; 2177 request_ccb->ccb_h.cbfcnp = scsi_scan_bus; 2178 request_ccb->ccb_h.ppriv_ptr0 = scan_info; 2179 request_ccb->crcn.flags = 2180 scan_info->request_ccb->crcn.flags; 2181 } else { 2182 status = xpt_create_path(&path, xpt_periph, 2183 path_id, target_id, lun_id); 2184 /* 2185 * Free the old request path- we're done with it. We 2186 * do this *after* creating the new path so that 2187 * we don't remove a target that has our lun list 2188 * in the case that lun 0 is not present. 2189 */ 2190 xpt_free_path(oldpath); 2191 if (status != CAM_REQ_CMP) { 2192 printf("scsi_scan_bus: xpt_create_path failed " 2193 "with status %#x, halting LUN scan\n", 2194 status); 2195 goto hop_again; 2196 } 2197 xpt_setup_ccb(&request_ccb->ccb_h, path, 2198 request_ccb->ccb_h.pinfo.priority); 2199 request_ccb->ccb_h.func_code = XPT_SCAN_LUN; 2200 request_ccb->ccb_h.cbfcnp = scsi_scan_bus; 2201 request_ccb->ccb_h.ppriv_ptr0 = scan_info; 2202 request_ccb->crcn.flags = 2203 scan_info->request_ccb->crcn.flags; 2204 } 2205 xpt_action(request_ccb); 2206 break; 2207 } 2208 default: 2209 break; 2210 } 2211 } 2212 2213 static void 2214 scsi_scan_lun(struct cam_periph *periph, struct cam_path *path, 2215 cam_flags flags, union ccb *request_ccb) 2216 { 2217 struct ccb_pathinq cpi; 2218 cam_status status; 2219 struct cam_path *new_path; 2220 struct cam_periph *old_periph; 2221 2222 CAM_DEBUG(path, CAM_DEBUG_TRACE, ("scsi_scan_lun\n")); 2223 2224 xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NONE); 2225 cpi.ccb_h.func_code = XPT_PATH_INQ; 2226 xpt_action((union ccb *)&cpi); 2227 2228 if (cpi.ccb_h.status != CAM_REQ_CMP) { 2229 if (request_ccb != NULL) { 2230 request_ccb->ccb_h.status = cpi.ccb_h.status; 2231 xpt_done(request_ccb); 2232 } 2233 return; 2234 } 2235 2236 if ((cpi.hba_misc & PIM_NOINITIATOR) != 0) { 2237 /* 2238 * Can't scan the bus on an adapter that 2239 * cannot perform the initiator role. 2240 */ 2241 if (request_ccb != NULL) { 2242 request_ccb->ccb_h.status = CAM_REQ_CMP; 2243 xpt_done(request_ccb); 2244 } 2245 return; 2246 } 2247 2248 if (request_ccb == NULL) { 2249 request_ccb = malloc(sizeof(union ccb), M_CAMXPT, M_NOWAIT); 2250 if (request_ccb == NULL) { 2251 xpt_print(path, "scsi_scan_lun: can't allocate CCB, " 2252 "can't continue\n"); 2253 return; 2254 } 2255 new_path = malloc(sizeof(*new_path), M_CAMXPT, M_NOWAIT); 2256 if (new_path == NULL) { 2257 xpt_print(path, "scsi_scan_lun: can't allocate path, " 2258 "can't continue\n"); 2259 free(request_ccb, M_CAMXPT); 2260 return; 2261 } 2262 status = xpt_compile_path(new_path, xpt_periph, 2263 path->bus->path_id, 2264 path->target->target_id, 2265 path->device->lun_id); 2266 2267 if (status != CAM_REQ_CMP) { 2268 xpt_print(path, "scsi_scan_lun: can't compile path, " 2269 "can't continue\n"); 2270 free(request_ccb, M_CAMXPT); 2271 free(new_path, M_CAMXPT); 2272 return; 2273 } 2274 xpt_setup_ccb(&request_ccb->ccb_h, new_path, CAM_PRIORITY_XPT); 2275 request_ccb->ccb_h.cbfcnp = xptscandone; 2276 request_ccb->ccb_h.func_code = XPT_SCAN_LUN; 2277 request_ccb->crcn.flags = flags; 2278 } 2279 2280 if ((old_periph = cam_periph_find(path, "probe")) != NULL) { 2281 if ((old_periph->flags & CAM_PERIPH_INVALID) == 0) { 2282 probe_softc *softc; 2283 2284 softc = (probe_softc *)old_periph->softc; 2285 TAILQ_INSERT_TAIL(&softc->request_ccbs, 2286 &request_ccb->ccb_h, periph_links.tqe); 2287 } else { 2288 request_ccb->ccb_h.status = CAM_REQ_CMP_ERR; 2289 xpt_done(request_ccb); 2290 } 2291 } else { 2292 status = cam_periph_alloc(proberegister, NULL, probecleanup, 2293 probestart, "probe", 2294 CAM_PERIPH_BIO, 2295 request_ccb->ccb_h.path, NULL, 0, 2296 request_ccb); 2297 2298 if (status != CAM_REQ_CMP) { 2299 xpt_print(path, "scsi_scan_lun: cam_alloc_periph " 2300 "returned an error, can't continue probe\n"); 2301 request_ccb->ccb_h.status = status; 2302 xpt_done(request_ccb); 2303 } 2304 } 2305 } 2306 2307 static void 2308 xptscandone(struct cam_periph *periph, union ccb *done_ccb) 2309 { 2310 xpt_release_path(done_ccb->ccb_h.path); 2311 free(done_ccb->ccb_h.path, M_CAMXPT); 2312 free(done_ccb, M_CAMXPT); 2313 } 2314 2315 static struct cam_ed * 2316 scsi_alloc_device(struct cam_eb *bus, struct cam_et *target, lun_id_t lun_id) 2317 { 2318 struct cam_path path; 2319 struct scsi_quirk_entry *quirk; 2320 struct cam_ed *device; 2321 struct cam_ed *cur_device; 2322 2323 device = xpt_alloc_device(bus, target, lun_id); 2324 if (device == NULL) 2325 return (NULL); 2326 2327 /* 2328 * Take the default quirk entry until we have inquiry 2329 * data and can determine a better quirk to use. 2330 */ 2331 quirk = &scsi_quirk_table[scsi_quirk_table_size - 1]; 2332 device->quirk = (void *)quirk; 2333 device->mintags = quirk->mintags; 2334 device->maxtags = quirk->maxtags; 2335 bzero(&device->inq_data, sizeof(device->inq_data)); 2336 device->inq_flags = 0; 2337 device->queue_flags = 0; 2338 device->serial_num = NULL; 2339 device->serial_num_len = 0; 2340 device->device_id = NULL; 2341 device->device_id_len = 0; 2342 device->supported_vpds = NULL; 2343 device->supported_vpds_len = 0; 2344 2345 /* 2346 * XXX should be limited by number of CCBs this bus can 2347 * do. 2348 */ 2349 bus->sim->max_ccbs += device->ccbq.devq_openings; 2350 /* Insertion sort into our target's device list */ 2351 cur_device = TAILQ_FIRST(&target->ed_entries); 2352 while (cur_device != NULL && cur_device->lun_id < lun_id) 2353 cur_device = TAILQ_NEXT(cur_device, links); 2354 if (cur_device != NULL) { 2355 TAILQ_INSERT_BEFORE(cur_device, device, links); 2356 } else { 2357 TAILQ_INSERT_TAIL(&target->ed_entries, device, links); 2358 } 2359 target->generation++; 2360 if (lun_id != CAM_LUN_WILDCARD) { 2361 xpt_compile_path(&path, 2362 NULL, 2363 bus->path_id, 2364 target->target_id, 2365 lun_id); 2366 scsi_devise_transport(&path); 2367 xpt_release_path(&path); 2368 } 2369 2370 return (device); 2371 } 2372 2373 static void 2374 scsi_devise_transport(struct cam_path *path) 2375 { 2376 struct ccb_pathinq cpi; 2377 struct ccb_trans_settings cts; 2378 struct scsi_inquiry_data *inq_buf; 2379 2380 /* Get transport information from the SIM */ 2381 xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NONE); 2382 cpi.ccb_h.func_code = XPT_PATH_INQ; 2383 xpt_action((union ccb *)&cpi); 2384 2385 inq_buf = NULL; 2386 if ((path->device->flags & CAM_DEV_INQUIRY_DATA_VALID) != 0) 2387 inq_buf = &path->device->inq_data; 2388 path->device->protocol = PROTO_SCSI; 2389 path->device->protocol_version = 2390 inq_buf != NULL ? SID_ANSI_REV(inq_buf) : cpi.protocol_version; 2391 path->device->transport = cpi.transport; 2392 path->device->transport_version = cpi.transport_version; 2393 2394 /* 2395 * Any device not using SPI3 features should 2396 * be considered SPI2 or lower. 2397 */ 2398 if (inq_buf != NULL) { 2399 if (path->device->transport == XPORT_SPI 2400 && (inq_buf->spi3data & SID_SPI_MASK) == 0 2401 && path->device->transport_version > 2) 2402 path->device->transport_version = 2; 2403 } else { 2404 struct cam_ed* otherdev; 2405 2406 for (otherdev = TAILQ_FIRST(&path->target->ed_entries); 2407 otherdev != NULL; 2408 otherdev = TAILQ_NEXT(otherdev, links)) { 2409 if (otherdev != path->device) 2410 break; 2411 } 2412 2413 if (otherdev != NULL) { 2414 /* 2415 * Initially assume the same versioning as 2416 * prior luns for this target. 2417 */ 2418 path->device->protocol_version = 2419 otherdev->protocol_version; 2420 path->device->transport_version = 2421 otherdev->transport_version; 2422 } else { 2423 /* Until we know better, opt for safty */ 2424 path->device->protocol_version = 2; 2425 if (path->device->transport == XPORT_SPI) 2426 path->device->transport_version = 2; 2427 else 2428 path->device->transport_version = 0; 2429 } 2430 } 2431 2432 /* 2433 * XXX 2434 * For a device compliant with SPC-2 we should be able 2435 * to determine the transport version supported by 2436 * scrutinizing the version descriptors in the 2437 * inquiry buffer. 2438 */ 2439 2440 /* Tell the controller what we think */ 2441 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 2442 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 2443 cts.type = CTS_TYPE_CURRENT_SETTINGS; 2444 cts.transport = path->device->transport; 2445 cts.transport_version = path->device->transport_version; 2446 cts.protocol = path->device->protocol; 2447 cts.protocol_version = path->device->protocol_version; 2448 cts.proto_specific.valid = 0; 2449 cts.xport_specific.valid = 0; 2450 xpt_action((union ccb *)&cts); 2451 } 2452 2453 static void 2454 scsi_dev_advinfo(union ccb *start_ccb) 2455 { 2456 struct cam_ed *device; 2457 struct ccb_dev_advinfo *cdai; 2458 off_t amt; 2459 2460 start_ccb->ccb_h.status = CAM_REQ_INVALID; 2461 device = start_ccb->ccb_h.path->device; 2462 cdai = &start_ccb->cdai; 2463 switch(cdai->buftype) { 2464 case CDAI_TYPE_SCSI_DEVID: 2465 if (cdai->flags & CDAI_FLAG_STORE) 2466 return; 2467 cdai->provsiz = device->device_id_len; 2468 if (device->device_id_len == 0) 2469 break; 2470 amt = device->device_id_len; 2471 if (cdai->provsiz > cdai->bufsiz) 2472 amt = cdai->bufsiz; 2473 memcpy(cdai->buf, device->device_id, amt); 2474 break; 2475 case CDAI_TYPE_SERIAL_NUM: 2476 if (cdai->flags & CDAI_FLAG_STORE) 2477 return; 2478 cdai->provsiz = device->serial_num_len; 2479 if (device->serial_num_len == 0) 2480 break; 2481 amt = device->serial_num_len; 2482 if (cdai->provsiz > cdai->bufsiz) 2483 amt = cdai->bufsiz; 2484 memcpy(cdai->buf, device->serial_num, amt); 2485 break; 2486 case CDAI_TYPE_PHYS_PATH: 2487 if (cdai->flags & CDAI_FLAG_STORE) { 2488 if (device->physpath != NULL) { 2489 free(device->physpath, M_CAMXPT); 2490 device->physpath = NULL; 2491 } 2492 device->physpath_len = cdai->bufsiz; 2493 /* Clear existing buffer if zero length */ 2494 if (cdai->bufsiz == 0) 2495 break; 2496 device->physpath = malloc(cdai->bufsiz, M_CAMXPT, M_NOWAIT); 2497 if (device->physpath == NULL) { 2498 start_ccb->ccb_h.status = CAM_REQ_ABORTED; 2499 return; 2500 } 2501 memcpy(device->physpath, cdai->buf, cdai->bufsiz); 2502 } else { 2503 cdai->provsiz = device->physpath_len; 2504 if (device->physpath_len == 0) 2505 break; 2506 amt = device->physpath_len; 2507 if (cdai->provsiz > cdai->bufsiz) 2508 amt = cdai->bufsiz; 2509 memcpy(cdai->buf, device->physpath, amt); 2510 } 2511 break; 2512 case CDAI_TYPE_RCAPLONG: 2513 if (cdai->flags & CDAI_FLAG_STORE) { 2514 if (device->rcap_buf != NULL) { 2515 free(device->rcap_buf, M_CAMXPT); 2516 device->rcap_buf = NULL; 2517 } 2518 2519 device->rcap_len = cdai->bufsiz; 2520 /* Clear existing buffer if zero length */ 2521 if (cdai->bufsiz == 0) 2522 break; 2523 2524 device->rcap_buf = malloc(cdai->bufsiz, M_CAMXPT, 2525 M_NOWAIT); 2526 if (device->rcap_buf == NULL) { 2527 start_ccb->ccb_h.status = CAM_REQ_ABORTED; 2528 return; 2529 } 2530 2531 memcpy(device->rcap_buf, cdai->buf, cdai->bufsiz); 2532 } else { 2533 cdai->provsiz = device->rcap_len; 2534 if (device->rcap_len == 0) 2535 break; 2536 amt = device->rcap_len; 2537 if (cdai->provsiz > cdai->bufsiz) 2538 amt = cdai->bufsiz; 2539 memcpy(cdai->buf, device->rcap_buf, amt); 2540 } 2541 break; 2542 default: 2543 return; 2544 } 2545 start_ccb->ccb_h.status = CAM_REQ_CMP; 2546 2547 if (cdai->flags & CDAI_FLAG_STORE) { 2548 int owned; 2549 2550 owned = mtx_owned(start_ccb->ccb_h.path->bus->sim->mtx); 2551 if (owned == 0) 2552 mtx_lock(start_ccb->ccb_h.path->bus->sim->mtx); 2553 xpt_async(AC_ADVINFO_CHANGED, start_ccb->ccb_h.path, 2554 (void *)(uintptr_t)cdai->buftype); 2555 if (owned == 0) 2556 mtx_unlock(start_ccb->ccb_h.path->bus->sim->mtx); 2557 } 2558 } 2559 2560 static void 2561 scsi_action(union ccb *start_ccb) 2562 { 2563 2564 switch (start_ccb->ccb_h.func_code) { 2565 case XPT_SET_TRAN_SETTINGS: 2566 { 2567 scsi_set_transfer_settings(&start_ccb->cts, 2568 start_ccb->ccb_h.path->device, 2569 /*async_update*/FALSE); 2570 break; 2571 } 2572 case XPT_SCAN_BUS: 2573 case XPT_SCAN_TGT: 2574 scsi_scan_bus(start_ccb->ccb_h.path->periph, start_ccb); 2575 break; 2576 case XPT_SCAN_LUN: 2577 scsi_scan_lun(start_ccb->ccb_h.path->periph, 2578 start_ccb->ccb_h.path, start_ccb->crcn.flags, 2579 start_ccb); 2580 break; 2581 case XPT_GET_TRAN_SETTINGS: 2582 { 2583 struct cam_sim *sim; 2584 2585 sim = start_ccb->ccb_h.path->bus->sim; 2586 (*(sim->sim_action))(sim, start_ccb); 2587 break; 2588 } 2589 case XPT_DEV_ADVINFO: 2590 { 2591 scsi_dev_advinfo(start_ccb); 2592 break; 2593 } 2594 default: 2595 xpt_action_default(start_ccb); 2596 break; 2597 } 2598 } 2599 2600 static void 2601 scsi_set_transfer_settings(struct ccb_trans_settings *cts, struct cam_ed *device, 2602 int async_update) 2603 { 2604 struct ccb_pathinq cpi; 2605 struct ccb_trans_settings cur_cts; 2606 struct ccb_trans_settings_scsi *scsi; 2607 struct ccb_trans_settings_scsi *cur_scsi; 2608 struct cam_sim *sim; 2609 struct scsi_inquiry_data *inq_data; 2610 2611 if (device == NULL) { 2612 cts->ccb_h.status = CAM_PATH_INVALID; 2613 xpt_done((union ccb *)cts); 2614 return; 2615 } 2616 2617 if (cts->protocol == PROTO_UNKNOWN 2618 || cts->protocol == PROTO_UNSPECIFIED) { 2619 cts->protocol = device->protocol; 2620 cts->protocol_version = device->protocol_version; 2621 } 2622 2623 if (cts->protocol_version == PROTO_VERSION_UNKNOWN 2624 || cts->protocol_version == PROTO_VERSION_UNSPECIFIED) 2625 cts->protocol_version = device->protocol_version; 2626 2627 if (cts->protocol != device->protocol) { 2628 xpt_print(cts->ccb_h.path, "Uninitialized Protocol %x:%x?\n", 2629 cts->protocol, device->protocol); 2630 cts->protocol = device->protocol; 2631 } 2632 2633 if (cts->protocol_version > device->protocol_version) { 2634 if (bootverbose) { 2635 xpt_print(cts->ccb_h.path, "Down reving Protocol " 2636 "Version from %d to %d?\n", cts->protocol_version, 2637 device->protocol_version); 2638 } 2639 cts->protocol_version = device->protocol_version; 2640 } 2641 2642 if (cts->transport == XPORT_UNKNOWN 2643 || cts->transport == XPORT_UNSPECIFIED) { 2644 cts->transport = device->transport; 2645 cts->transport_version = device->transport_version; 2646 } 2647 2648 if (cts->transport_version == XPORT_VERSION_UNKNOWN 2649 || cts->transport_version == XPORT_VERSION_UNSPECIFIED) 2650 cts->transport_version = device->transport_version; 2651 2652 if (cts->transport != device->transport) { 2653 xpt_print(cts->ccb_h.path, "Uninitialized Transport %x:%x?\n", 2654 cts->transport, device->transport); 2655 cts->transport = device->transport; 2656 } 2657 2658 if (cts->transport_version > device->transport_version) { 2659 if (bootverbose) { 2660 xpt_print(cts->ccb_h.path, "Down reving Transport " 2661 "Version from %d to %d?\n", cts->transport_version, 2662 device->transport_version); 2663 } 2664 cts->transport_version = device->transport_version; 2665 } 2666 2667 sim = cts->ccb_h.path->bus->sim; 2668 2669 /* 2670 * Nothing more of interest to do unless 2671 * this is a device connected via the 2672 * SCSI protocol. 2673 */ 2674 if (cts->protocol != PROTO_SCSI) { 2675 if (async_update == FALSE) 2676 (*(sim->sim_action))(sim, (union ccb *)cts); 2677 return; 2678 } 2679 2680 inq_data = &device->inq_data; 2681 scsi = &cts->proto_specific.scsi; 2682 xpt_setup_ccb(&cpi.ccb_h, cts->ccb_h.path, CAM_PRIORITY_NONE); 2683 cpi.ccb_h.func_code = XPT_PATH_INQ; 2684 xpt_action((union ccb *)&cpi); 2685 2686 /* SCSI specific sanity checking */ 2687 if ((cpi.hba_inquiry & PI_TAG_ABLE) == 0 2688 || (INQ_DATA_TQ_ENABLED(inq_data)) == 0 2689 || (device->queue_flags & SCP_QUEUE_DQUE) != 0 2690 || (device->mintags == 0)) { 2691 /* 2692 * Can't tag on hardware that doesn't support tags, 2693 * doesn't have it enabled, or has broken tag support. 2694 */ 2695 scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB; 2696 } 2697 2698 if (async_update == FALSE) { 2699 /* 2700 * Perform sanity checking against what the 2701 * controller and device can do. 2702 */ 2703 xpt_setup_ccb(&cur_cts.ccb_h, cts->ccb_h.path, CAM_PRIORITY_NONE); 2704 cur_cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 2705 cur_cts.type = cts->type; 2706 xpt_action((union ccb *)&cur_cts); 2707 if ((cur_cts.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 2708 return; 2709 } 2710 cur_scsi = &cur_cts.proto_specific.scsi; 2711 if ((scsi->valid & CTS_SCSI_VALID_TQ) == 0) { 2712 scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB; 2713 scsi->flags |= cur_scsi->flags & CTS_SCSI_FLAGS_TAG_ENB; 2714 } 2715 if ((cur_scsi->valid & CTS_SCSI_VALID_TQ) == 0) 2716 scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB; 2717 } 2718 2719 /* SPI specific sanity checking */ 2720 if (cts->transport == XPORT_SPI && async_update == FALSE) { 2721 u_int spi3caps; 2722 struct ccb_trans_settings_spi *spi; 2723 struct ccb_trans_settings_spi *cur_spi; 2724 2725 spi = &cts->xport_specific.spi; 2726 2727 cur_spi = &cur_cts.xport_specific.spi; 2728 2729 /* Fill in any gaps in what the user gave us */ 2730 if ((spi->valid & CTS_SPI_VALID_SYNC_RATE) == 0) 2731 spi->sync_period = cur_spi->sync_period; 2732 if ((cur_spi->valid & CTS_SPI_VALID_SYNC_RATE) == 0) 2733 spi->sync_period = 0; 2734 if ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) == 0) 2735 spi->sync_offset = cur_spi->sync_offset; 2736 if ((cur_spi->valid & CTS_SPI_VALID_SYNC_OFFSET) == 0) 2737 spi->sync_offset = 0; 2738 if ((spi->valid & CTS_SPI_VALID_PPR_OPTIONS) == 0) 2739 spi->ppr_options = cur_spi->ppr_options; 2740 if ((cur_spi->valid & CTS_SPI_VALID_PPR_OPTIONS) == 0) 2741 spi->ppr_options = 0; 2742 if ((spi->valid & CTS_SPI_VALID_BUS_WIDTH) == 0) 2743 spi->bus_width = cur_spi->bus_width; 2744 if ((cur_spi->valid & CTS_SPI_VALID_BUS_WIDTH) == 0) 2745 spi->bus_width = 0; 2746 if ((spi->valid & CTS_SPI_VALID_DISC) == 0) { 2747 spi->flags &= ~CTS_SPI_FLAGS_DISC_ENB; 2748 spi->flags |= cur_spi->flags & CTS_SPI_FLAGS_DISC_ENB; 2749 } 2750 if ((cur_spi->valid & CTS_SPI_VALID_DISC) == 0) 2751 spi->flags &= ~CTS_SPI_FLAGS_DISC_ENB; 2752 if (((device->flags & CAM_DEV_INQUIRY_DATA_VALID) != 0 2753 && (inq_data->flags & SID_Sync) == 0 2754 && cts->type == CTS_TYPE_CURRENT_SETTINGS) 2755 || ((cpi.hba_inquiry & PI_SDTR_ABLE) == 0)) { 2756 /* Force async */ 2757 spi->sync_period = 0; 2758 spi->sync_offset = 0; 2759 } 2760 2761 switch (spi->bus_width) { 2762 case MSG_EXT_WDTR_BUS_32_BIT: 2763 if (((device->flags & CAM_DEV_INQUIRY_DATA_VALID) == 0 2764 || (inq_data->flags & SID_WBus32) != 0 2765 || cts->type == CTS_TYPE_USER_SETTINGS) 2766 && (cpi.hba_inquiry & PI_WIDE_32) != 0) 2767 break; 2768 /* Fall Through to 16-bit */ 2769 case MSG_EXT_WDTR_BUS_16_BIT: 2770 if (((device->flags & CAM_DEV_INQUIRY_DATA_VALID) == 0 2771 || (inq_data->flags & SID_WBus16) != 0 2772 || cts->type == CTS_TYPE_USER_SETTINGS) 2773 && (cpi.hba_inquiry & PI_WIDE_16) != 0) { 2774 spi->bus_width = MSG_EXT_WDTR_BUS_16_BIT; 2775 break; 2776 } 2777 /* Fall Through to 8-bit */ 2778 default: /* New bus width?? */ 2779 case MSG_EXT_WDTR_BUS_8_BIT: 2780 /* All targets can do this */ 2781 spi->bus_width = MSG_EXT_WDTR_BUS_8_BIT; 2782 break; 2783 } 2784 2785 spi3caps = cpi.xport_specific.spi.ppr_options; 2786 if ((device->flags & CAM_DEV_INQUIRY_DATA_VALID) != 0 2787 && cts->type == CTS_TYPE_CURRENT_SETTINGS) 2788 spi3caps &= inq_data->spi3data; 2789 2790 if ((spi3caps & SID_SPI_CLOCK_DT) == 0) 2791 spi->ppr_options &= ~MSG_EXT_PPR_DT_REQ; 2792 2793 if ((spi3caps & SID_SPI_IUS) == 0) 2794 spi->ppr_options &= ~MSG_EXT_PPR_IU_REQ; 2795 2796 if ((spi3caps & SID_SPI_QAS) == 0) 2797 spi->ppr_options &= ~MSG_EXT_PPR_QAS_REQ; 2798 2799 /* No SPI Transfer settings are allowed unless we are wide */ 2800 if (spi->bus_width == 0) 2801 spi->ppr_options = 0; 2802 2803 if ((spi->valid & CTS_SPI_VALID_DISC) 2804 && ((spi->flags & CTS_SPI_FLAGS_DISC_ENB) == 0)) { 2805 /* 2806 * Can't tag queue without disconnection. 2807 */ 2808 scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB; 2809 scsi->valid |= CTS_SCSI_VALID_TQ; 2810 } 2811 2812 /* 2813 * If we are currently performing tagged transactions to 2814 * this device and want to change its negotiation parameters, 2815 * go non-tagged for a bit to give the controller a chance to 2816 * negotiate unhampered by tag messages. 2817 */ 2818 if (cts->type == CTS_TYPE_CURRENT_SETTINGS 2819 && (device->inq_flags & SID_CmdQue) != 0 2820 && (scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0 2821 && (spi->flags & (CTS_SPI_VALID_SYNC_RATE| 2822 CTS_SPI_VALID_SYNC_OFFSET| 2823 CTS_SPI_VALID_BUS_WIDTH)) != 0) 2824 scsi_toggle_tags(cts->ccb_h.path); 2825 } 2826 2827 if (cts->type == CTS_TYPE_CURRENT_SETTINGS 2828 && (scsi->valid & CTS_SCSI_VALID_TQ) != 0) { 2829 int device_tagenb; 2830 2831 /* 2832 * If we are transitioning from tags to no-tags or 2833 * vice-versa, we need to carefully freeze and restart 2834 * the queue so that we don't overlap tagged and non-tagged 2835 * commands. We also temporarily stop tags if there is 2836 * a change in transfer negotiation settings to allow 2837 * "tag-less" negotiation. 2838 */ 2839 if ((device->flags & CAM_DEV_TAG_AFTER_COUNT) != 0 2840 || (device->inq_flags & SID_CmdQue) != 0) 2841 device_tagenb = TRUE; 2842 else 2843 device_tagenb = FALSE; 2844 2845 if (((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0 2846 && device_tagenb == FALSE) 2847 || ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) == 0 2848 && device_tagenb == TRUE)) { 2849 2850 if ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0) { 2851 /* 2852 * Delay change to use tags until after a 2853 * few commands have gone to this device so 2854 * the controller has time to perform transfer 2855 * negotiations without tagged messages getting 2856 * in the way. 2857 */ 2858 device->tag_delay_count = CAM_TAG_DELAY_COUNT; 2859 device->flags |= CAM_DEV_TAG_AFTER_COUNT; 2860 } else { 2861 xpt_stop_tags(cts->ccb_h.path); 2862 } 2863 } 2864 } 2865 if (async_update == FALSE) 2866 (*(sim->sim_action))(sim, (union ccb *)cts); 2867 } 2868 2869 static void 2870 scsi_toggle_tags(struct cam_path *path) 2871 { 2872 struct cam_ed *dev; 2873 2874 /* 2875 * Give controllers a chance to renegotiate 2876 * before starting tag operations. We 2877 * "toggle" tagged queuing off then on 2878 * which causes the tag enable command delay 2879 * counter to come into effect. 2880 */ 2881 dev = path->device; 2882 if ((dev->flags & CAM_DEV_TAG_AFTER_COUNT) != 0 2883 || ((dev->inq_flags & SID_CmdQue) != 0 2884 && (dev->inq_flags & (SID_Sync|SID_WBus16|SID_WBus32)) != 0)) { 2885 struct ccb_trans_settings cts; 2886 2887 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 2888 cts.protocol = PROTO_SCSI; 2889 cts.protocol_version = PROTO_VERSION_UNSPECIFIED; 2890 cts.transport = XPORT_UNSPECIFIED; 2891 cts.transport_version = XPORT_VERSION_UNSPECIFIED; 2892 cts.proto_specific.scsi.flags = 0; 2893 cts.proto_specific.scsi.valid = CTS_SCSI_VALID_TQ; 2894 scsi_set_transfer_settings(&cts, path->device, 2895 /*async_update*/TRUE); 2896 cts.proto_specific.scsi.flags = CTS_SCSI_FLAGS_TAG_ENB; 2897 scsi_set_transfer_settings(&cts, path->device, 2898 /*async_update*/TRUE); 2899 } 2900 } 2901 2902 /* 2903 * Handle any per-device event notifications that require action by the XPT. 2904 */ 2905 static void 2906 scsi_dev_async(u_int32_t async_code, struct cam_eb *bus, struct cam_et *target, 2907 struct cam_ed *device, void *async_arg) 2908 { 2909 cam_status status; 2910 struct cam_path newpath; 2911 2912 /* 2913 * We only need to handle events for real devices. 2914 */ 2915 if (target->target_id == CAM_TARGET_WILDCARD 2916 || device->lun_id == CAM_LUN_WILDCARD) 2917 return; 2918 2919 /* 2920 * We need our own path with wildcards expanded to 2921 * handle certain types of events. 2922 */ 2923 if ((async_code == AC_SENT_BDR) 2924 || (async_code == AC_BUS_RESET) 2925 || (async_code == AC_INQ_CHANGED)) 2926 status = xpt_compile_path(&newpath, NULL, 2927 bus->path_id, 2928 target->target_id, 2929 device->lun_id); 2930 else 2931 status = CAM_REQ_CMP_ERR; 2932 2933 if (status == CAM_REQ_CMP) { 2934 2935 /* 2936 * Allow transfer negotiation to occur in a 2937 * tag free environment and after settle delay. 2938 */ 2939 if (async_code == AC_SENT_BDR 2940 || async_code == AC_BUS_RESET) { 2941 cam_freeze_devq(&newpath); 2942 cam_release_devq(&newpath, 2943 RELSIM_RELEASE_AFTER_TIMEOUT, 2944 /*reduction*/0, 2945 /*timeout*/scsi_delay, 2946 /*getcount_only*/0); 2947 scsi_toggle_tags(&newpath); 2948 } 2949 2950 if (async_code == AC_INQ_CHANGED) { 2951 /* 2952 * We've sent a start unit command, or 2953 * something similar to a device that 2954 * may have caused its inquiry data to 2955 * change. So we re-scan the device to 2956 * refresh the inquiry data for it. 2957 */ 2958 scsi_scan_lun(newpath.periph, &newpath, 2959 CAM_EXPECT_INQ_CHANGE, NULL); 2960 } 2961 xpt_release_path(&newpath); 2962 } else if (async_code == AC_LOST_DEVICE && 2963 (device->flags & CAM_DEV_UNCONFIGURED) == 0) { 2964 device->flags |= CAM_DEV_UNCONFIGURED; 2965 xpt_release_device(device); 2966 } else if (async_code == AC_TRANSFER_NEG) { 2967 struct ccb_trans_settings *settings; 2968 2969 settings = (struct ccb_trans_settings *)async_arg; 2970 scsi_set_transfer_settings(settings, device, 2971 /*async_update*/TRUE); 2972 } 2973 } 2974 2975 static void 2976 scsi_announce_periph(struct cam_periph *periph) 2977 { 2978 struct ccb_pathinq cpi; 2979 struct ccb_trans_settings cts; 2980 struct cam_path *path = periph->path; 2981 u_int speed; 2982 u_int freq; 2983 u_int mb; 2984 2985 mtx_assert(periph->sim->mtx, MA_OWNED); 2986 2987 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NORMAL); 2988 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 2989 cts.type = CTS_TYPE_CURRENT_SETTINGS; 2990 xpt_action((union ccb*)&cts); 2991 if ((cts.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) 2992 return; 2993 /* Ask the SIM for its base transfer speed */ 2994 xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NORMAL); 2995 cpi.ccb_h.func_code = XPT_PATH_INQ; 2996 xpt_action((union ccb *)&cpi); 2997 /* Report connection speed */ 2998 speed = cpi.base_transfer_speed; 2999 freq = 0; 3000 if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_SPI) { 3001 struct ccb_trans_settings_spi *spi = 3002 &cts.xport_specific.spi; 3003 3004 if ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) != 0 3005 && spi->sync_offset != 0) { 3006 freq = scsi_calc_syncsrate(spi->sync_period); 3007 speed = freq; 3008 } 3009 if ((spi->valid & CTS_SPI_VALID_BUS_WIDTH) != 0) 3010 speed *= (0x01 << spi->bus_width); 3011 } 3012 if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_FC) { 3013 struct ccb_trans_settings_fc *fc = 3014 &cts.xport_specific.fc; 3015 3016 if (fc->valid & CTS_FC_VALID_SPEED) 3017 speed = fc->bitrate; 3018 } 3019 if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_SAS) { 3020 struct ccb_trans_settings_sas *sas = 3021 &cts.xport_specific.sas; 3022 3023 if (sas->valid & CTS_SAS_VALID_SPEED) 3024 speed = sas->bitrate; 3025 } 3026 mb = speed / 1000; 3027 if (mb > 0) 3028 printf("%s%d: %d.%03dMB/s transfers", 3029 periph->periph_name, periph->unit_number, 3030 mb, speed % 1000); 3031 else 3032 printf("%s%d: %dKB/s transfers", periph->periph_name, 3033 periph->unit_number, speed); 3034 /* Report additional information about SPI connections */ 3035 if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_SPI) { 3036 struct ccb_trans_settings_spi *spi; 3037 3038 spi = &cts.xport_specific.spi; 3039 if (freq != 0) { 3040 printf(" (%d.%03dMHz%s, offset %d", freq / 1000, 3041 freq % 1000, 3042 (spi->ppr_options & MSG_EXT_PPR_DT_REQ) != 0 3043 ? " DT" : "", 3044 spi->sync_offset); 3045 } 3046 if ((spi->valid & CTS_SPI_VALID_BUS_WIDTH) != 0 3047 && spi->bus_width > 0) { 3048 if (freq != 0) { 3049 printf(", "); 3050 } else { 3051 printf(" ("); 3052 } 3053 printf("%dbit)", 8 * (0x01 << spi->bus_width)); 3054 } else if (freq != 0) { 3055 printf(")"); 3056 } 3057 } 3058 if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_FC) { 3059 struct ccb_trans_settings_fc *fc; 3060 3061 fc = &cts.xport_specific.fc; 3062 if (fc->valid & CTS_FC_VALID_WWNN) 3063 printf(" WWNN 0x%llx", (long long) fc->wwnn); 3064 if (fc->valid & CTS_FC_VALID_WWPN) 3065 printf(" WWPN 0x%llx", (long long) fc->wwpn); 3066 if (fc->valid & CTS_FC_VALID_PORT) 3067 printf(" PortID 0x%x", fc->port); 3068 } 3069 printf("\n"); 3070 } 3071 3072