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