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