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