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_4btoul((lp)->luns[(i)].lundata); \ 105 (lval) = ((lval) >> 16) | ((lval) << 16); 106 #define CAM_LUN_ONLY_32BITS(lp, i) \ 107 (scsi_4btoul(&((lp)->luns[(i)].lundata[4])) == 0) 108 109 /* 110 * If we're not quirked to search <= the first 8 luns 111 * and we are either quirked to search above lun 8, 112 * or we're > SCSI-2 and we've enabled hilun searching, 113 * or we're > SCSI-2 and the last lun was a success, 114 * we can look for luns above lun 8. 115 */ 116 #define CAN_SRCH_HI_SPARSE(dv) \ 117 (((SCSI_QUIRK(dv)->quirks & CAM_QUIRK_NOHILUNS) == 0) \ 118 && ((SCSI_QUIRK(dv)->quirks & CAM_QUIRK_HILUNS) \ 119 || (SID_ANSI_REV(&dv->inq_data) > SCSI_REV_2 && cam_srch_hi))) 120 121 #define CAN_SRCH_HI_DENSE(dv) \ 122 (((SCSI_QUIRK(dv)->quirks & CAM_QUIRK_NOHILUNS) == 0) \ 123 && ((SCSI_QUIRK(dv)->quirks & CAM_QUIRK_HILUNS) \ 124 || (SID_ANSI_REV(&dv->inq_data) > SCSI_REV_2))) 125 126 static periph_init_t probe_periph_init; 127 128 static struct periph_driver probe_driver = 129 { 130 probe_periph_init, "probe", 131 TAILQ_HEAD_INITIALIZER(probe_driver.units), /* generation */ 0, 132 CAM_PERIPH_DRV_EARLY 133 }; 134 135 PERIPHDRIVER_DECLARE(probe, probe_driver); 136 137 typedef enum { 138 PROBE_TUR, 139 PROBE_INQUIRY, /* this counts as DV0 for Basic Domain Validation */ 140 PROBE_FULL_INQUIRY, 141 PROBE_REPORT_LUNS, 142 PROBE_MODE_SENSE, 143 PROBE_SUPPORTED_VPD_LIST, 144 PROBE_DEVICE_ID, 145 PROBE_SERIAL_NUM, 146 PROBE_TUR_FOR_NEGOTIATION, 147 PROBE_INQUIRY_BASIC_DV1, 148 PROBE_INQUIRY_BASIC_DV2, 149 PROBE_DV_EXIT, 150 PROBE_DONE, 151 PROBE_INVALID 152 } probe_action; 153 154 static char *probe_action_text[] = { 155 "PROBE_TUR", 156 "PROBE_INQUIRY", 157 "PROBE_FULL_INQUIRY", 158 "PROBE_REPORT_LUNS", 159 "PROBE_MODE_SENSE", 160 "PROBE_SUPPORTED_VPD_LIST", 161 "PROBE_DEVICE_ID", 162 "PROBE_SERIAL_NUM", 163 "PROBE_TUR_FOR_NEGOTIATION", 164 "PROBE_INQUIRY_BASIC_DV1", 165 "PROBE_INQUIRY_BASIC_DV2", 166 "PROBE_DV_EXIT", 167 "PROBE_DONE", 168 "PROBE_INVALID" 169 }; 170 171 #define PROBE_SET_ACTION(softc, newaction) \ 172 do { \ 173 char **text; \ 174 text = probe_action_text; \ 175 CAM_DEBUG((softc)->periph->path, CAM_DEBUG_PROBE, \ 176 ("Probe %s to %s\n", text[(softc)->action], \ 177 text[(newaction)])); \ 178 (softc)->action = (newaction); \ 179 } while(0) 180 181 typedef enum { 182 PROBE_INQUIRY_CKSUM = 0x01, 183 PROBE_SERIAL_CKSUM = 0x02, 184 PROBE_NO_ANNOUNCE = 0x04, 185 PROBE_EXTLUN = 0x08 186 } probe_flags; 187 188 typedef struct { 189 TAILQ_HEAD(, ccb_hdr) request_ccbs; 190 probe_action action; 191 union ccb saved_ccb; 192 probe_flags flags; 193 MD5_CTX context; 194 u_int8_t digest[16]; 195 struct cam_periph *periph; 196 } probe_softc; 197 198 static const char quantum[] = "QUANTUM"; 199 static const char sony[] = "SONY"; 200 static const char west_digital[] = "WDIGTL"; 201 static const char samsung[] = "SAMSUNG"; 202 static const char seagate[] = "SEAGATE"; 203 static const char microp[] = "MICROP"; 204 205 static struct scsi_quirk_entry scsi_quirk_table[] = 206 { 207 { 208 /* Reports QUEUE FULL for temporary resource shortages */ 209 { T_DIRECT, SIP_MEDIA_FIXED, quantum, "XP39100*", "*" }, 210 /*quirks*/0, /*mintags*/24, /*maxtags*/32 211 }, 212 { 213 /* Reports QUEUE FULL for temporary resource shortages */ 214 { T_DIRECT, SIP_MEDIA_FIXED, quantum, "XP34550*", "*" }, 215 /*quirks*/0, /*mintags*/24, /*maxtags*/32 216 }, 217 { 218 /* Reports QUEUE FULL for temporary resource shortages */ 219 { T_DIRECT, SIP_MEDIA_FIXED, quantum, "XP32275*", "*" }, 220 /*quirks*/0, /*mintags*/24, /*maxtags*/32 221 }, 222 { 223 /* Broken tagged queuing drive */ 224 { T_DIRECT, SIP_MEDIA_FIXED, microp, "4421-07*", "*" }, 225 /*quirks*/0, /*mintags*/0, /*maxtags*/0 226 }, 227 { 228 /* Broken tagged queuing drive */ 229 { T_DIRECT, SIP_MEDIA_FIXED, "HP", "C372*", "*" }, 230 /*quirks*/0, /*mintags*/0, /*maxtags*/0 231 }, 232 { 233 /* Broken tagged queuing drive */ 234 { T_DIRECT, SIP_MEDIA_FIXED, microp, "3391*", "x43h" }, 235 /*quirks*/0, /*mintags*/0, /*maxtags*/0 236 }, 237 { 238 /* 239 * Unfortunately, the Quantum Atlas III has the same 240 * problem as the Atlas II drives above. 241 * Reported by: "Johan Granlund" <johan@granlund.nu> 242 * 243 * For future reference, the drive with the problem was: 244 * QUANTUM QM39100TD-SW N1B0 245 * 246 * It's possible that Quantum will fix the problem in later 247 * firmware revisions. If that happens, the quirk entry 248 * will need to be made specific to the firmware revisions 249 * with the problem. 250 * 251 */ 252 /* Reports QUEUE FULL for temporary resource shortages */ 253 { T_DIRECT, SIP_MEDIA_FIXED, quantum, "QM39100*", "*" }, 254 /*quirks*/0, /*mintags*/24, /*maxtags*/32 255 }, 256 { 257 /* 258 * 18 Gig Atlas III, same problem as the 9G version. 259 * Reported by: Andre Albsmeier 260 * <andre.albsmeier@mchp.siemens.de> 261 * 262 * For future reference, the drive with the problem was: 263 * QUANTUM QM318000TD-S N491 264 */ 265 /* Reports QUEUE FULL for temporary resource shortages */ 266 { T_DIRECT, SIP_MEDIA_FIXED, quantum, "QM318000*", "*" }, 267 /*quirks*/0, /*mintags*/24, /*maxtags*/32 268 }, 269 { 270 /* 271 * Broken tagged queuing drive 272 * Reported by: Bret Ford <bford@uop.cs.uop.edu> 273 * and: Martin Renters <martin@tdc.on.ca> 274 */ 275 { T_DIRECT, SIP_MEDIA_FIXED, seagate, "ST410800*", "71*" }, 276 /*quirks*/0, /*mintags*/0, /*maxtags*/0 277 }, 278 /* 279 * The Seagate Medalist Pro drives have very poor write 280 * performance with anything more than 2 tags. 281 * 282 * Reported by: Paul van der Zwan <paulz@trantor.xs4all.nl> 283 * Drive: <SEAGATE ST36530N 1444> 284 * 285 * Reported by: Jeremy Lea <reg@shale.csir.co.za> 286 * Drive: <SEAGATE ST34520W 1281> 287 * 288 * No one has actually reported that the 9G version 289 * (ST39140*) of the Medalist Pro has the same problem, but 290 * we're assuming that it does because the 4G and 6.5G 291 * versions of the drive are broken. 292 */ 293 { 294 { T_DIRECT, SIP_MEDIA_FIXED, seagate, "ST34520*", "*"}, 295 /*quirks*/0, /*mintags*/2, /*maxtags*/2 296 }, 297 { 298 { T_DIRECT, SIP_MEDIA_FIXED, seagate, "ST36530*", "*"}, 299 /*quirks*/0, /*mintags*/2, /*maxtags*/2 300 }, 301 { 302 { T_DIRECT, SIP_MEDIA_FIXED, seagate, "ST39140*", "*"}, 303 /*quirks*/0, /*mintags*/2, /*maxtags*/2 304 }, 305 { 306 /* 307 * Experiences command timeouts under load with a 308 * tag count higher than 55. 309 */ 310 { T_DIRECT, SIP_MEDIA_FIXED, seagate, "ST3146855LW", "*"}, 311 /*quirks*/0, /*mintags*/2, /*maxtags*/55 312 }, 313 { 314 /* 315 * Slow when tagged queueing is enabled. Write performance 316 * steadily drops off with more and more concurrent 317 * transactions. Best sequential write performance with 318 * tagged queueing turned off and write caching turned on. 319 * 320 * PR: kern/10398 321 * Submitted by: Hideaki Okada <hokada@isl.melco.co.jp> 322 * Drive: DCAS-34330 w/ "S65A" firmware. 323 * 324 * The drive with the problem had the "S65A" firmware 325 * revision, and has also been reported (by Stephen J. 326 * Roznowski <sjr@home.net>) for a drive with the "S61A" 327 * firmware revision. 328 * 329 * Although no one has reported problems with the 2 gig 330 * version of the DCAS drive, the assumption is that it 331 * has the same problems as the 4 gig version. Therefore 332 * this quirk entries disables tagged queueing for all 333 * DCAS drives. 334 */ 335 { T_DIRECT, SIP_MEDIA_FIXED, "IBM", "DCAS*", "*" }, 336 /*quirks*/0, /*mintags*/0, /*maxtags*/0 337 }, 338 { 339 /* Broken tagged queuing drive */ 340 { T_DIRECT, SIP_MEDIA_REMOVABLE, "iomega", "jaz*", "*" }, 341 /*quirks*/0, /*mintags*/0, /*maxtags*/0 342 }, 343 { 344 /* Broken tagged queuing drive */ 345 { T_DIRECT, SIP_MEDIA_FIXED, "CONNER", "CFP2107*", "*" }, 346 /*quirks*/0, /*mintags*/0, /*maxtags*/0 347 }, 348 { 349 /* This does not support other than LUN 0 */ 350 { T_DIRECT, SIP_MEDIA_FIXED, "VMware*", "*", "*" }, 351 CAM_QUIRK_NOLUNS, /*mintags*/2, /*maxtags*/255 352 }, 353 { 354 /* 355 * Broken tagged queuing drive. 356 * Submitted by: 357 * NAKAJI Hiroyuki <nakaji@zeisei.dpri.kyoto-u.ac.jp> 358 * in PR kern/9535 359 */ 360 { T_DIRECT, SIP_MEDIA_FIXED, samsung, "WN34324U*", "*" }, 361 /*quirks*/0, /*mintags*/0, /*maxtags*/0 362 }, 363 { 364 /* 365 * Slow when tagged queueing is enabled. (1.5MB/sec versus 366 * 8MB/sec.) 367 * Submitted by: Andrew Gallatin <gallatin@cs.duke.edu> 368 * Best performance with these drives is achieved with 369 * tagged queueing turned off, and write caching turned on. 370 */ 371 { T_DIRECT, SIP_MEDIA_FIXED, west_digital, "WDE*", "*" }, 372 /*quirks*/0, /*mintags*/0, /*maxtags*/0 373 }, 374 { 375 /* 376 * Slow when tagged queueing is enabled. (1.5MB/sec versus 377 * 8MB/sec.) 378 * Submitted by: Andrew Gallatin <gallatin@cs.duke.edu> 379 * Best performance with these drives is achieved with 380 * tagged queueing turned off, and write caching turned on. 381 */ 382 { T_DIRECT, SIP_MEDIA_FIXED, west_digital, "ENTERPRISE", "*" }, 383 /*quirks*/0, /*mintags*/0, /*maxtags*/0 384 }, 385 { 386 /* 387 * Doesn't handle queue full condition correctly, 388 * so we need to limit maxtags to what the device 389 * can handle instead of determining this automatically. 390 */ 391 { T_DIRECT, SIP_MEDIA_FIXED, samsung, "WN321010S*", "*" }, 392 /*quirks*/0, /*mintags*/2, /*maxtags*/32 393 }, 394 { 395 /* Really only one LUN */ 396 { T_ENCLOSURE, SIP_MEDIA_FIXED, "SUN", "SENA", "*" }, 397 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 398 }, 399 { 400 /* I can't believe we need a quirk for DPT volumes. */ 401 { T_ANY, SIP_MEDIA_FIXED|SIP_MEDIA_REMOVABLE, "DPT", "*", "*" }, 402 CAM_QUIRK_NOLUNS, 403 /*mintags*/0, /*maxtags*/255 404 }, 405 { 406 /* 407 * Many Sony CDROM drives don't like multi-LUN probing. 408 */ 409 { T_CDROM, SIP_MEDIA_REMOVABLE, sony, "CD-ROM CDU*", "*" }, 410 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 411 }, 412 { 413 /* 414 * This drive doesn't like multiple LUN probing. 415 * Submitted by: Parag Patel <parag@cgt.com> 416 */ 417 { T_WORM, SIP_MEDIA_REMOVABLE, sony, "CD-R CDU9*", "*" }, 418 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 419 }, 420 { 421 { T_WORM, SIP_MEDIA_REMOVABLE, "YAMAHA", "CDR100*", "*" }, 422 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 423 }, 424 { 425 /* 426 * The 8200 doesn't like multi-lun probing, and probably 427 * don't like serial number requests either. 428 */ 429 { 430 T_SEQUENTIAL, SIP_MEDIA_REMOVABLE, "EXABYTE", 431 "EXB-8200*", "*" 432 }, 433 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 434 }, 435 { 436 /* 437 * Let's try the same as above, but for a drive that says 438 * it's an IPL-6860 but is actually an EXB 8200. 439 */ 440 { 441 T_SEQUENTIAL, SIP_MEDIA_REMOVABLE, "EXABYTE", 442 "IPL-6860*", "*" 443 }, 444 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 445 }, 446 { 447 /* 448 * These Hitachi drives don't like multi-lun probing. 449 * The PR submitter has a DK319H, but says that the Linux 450 * kernel has a similar work-around for the DK312 and DK314, 451 * so all DK31* drives are quirked here. 452 * PR: misc/18793 453 * Submitted by: Paul Haddad <paul@pth.com> 454 */ 455 { T_DIRECT, SIP_MEDIA_FIXED, "HITACHI", "DK31*", "*" }, 456 CAM_QUIRK_NOLUNS, /*mintags*/2, /*maxtags*/255 457 }, 458 { 459 /* 460 * The Hitachi CJ series with J8A8 firmware apparantly has 461 * problems with tagged commands. 462 * PR: 23536 463 * Reported by: amagai@nue.org 464 */ 465 { T_DIRECT, SIP_MEDIA_FIXED, "HITACHI", "DK32CJ*", "J8A8" }, 466 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 467 }, 468 { 469 /* 470 * These are the large storage arrays. 471 * Submitted by: William Carrel <william.carrel@infospace.com> 472 */ 473 { T_DIRECT, SIP_MEDIA_FIXED, "HITACHI", "OPEN*", "*" }, 474 CAM_QUIRK_HILUNS, 2, 1024 475 }, 476 { 477 /* 478 * This old revision of the TDC3600 is also SCSI-1, and 479 * hangs upon serial number probing. 480 */ 481 { 482 T_SEQUENTIAL, SIP_MEDIA_REMOVABLE, "TANDBERG", 483 " TDC 3600", "U07:" 484 }, 485 CAM_QUIRK_NOVPDS, /*mintags*/0, /*maxtags*/0 486 }, 487 { 488 /* 489 * Would repond to all LUNs if asked for. 490 */ 491 { 492 T_SEQUENTIAL, SIP_MEDIA_REMOVABLE, "CALIPER", 493 "CP150", "*" 494 }, 495 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 496 }, 497 { 498 /* 499 * Would repond to all LUNs if asked for. 500 */ 501 { 502 T_SEQUENTIAL, SIP_MEDIA_REMOVABLE, "KENNEDY", 503 "96X2*", "*" 504 }, 505 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 506 }, 507 { 508 /* Submitted by: Matthew Dodd <winter@jurai.net> */ 509 { T_PROCESSOR, SIP_MEDIA_FIXED, "Cabletrn", "EA41*", "*" }, 510 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 511 }, 512 { 513 /* Submitted by: Matthew Dodd <winter@jurai.net> */ 514 { T_PROCESSOR, SIP_MEDIA_FIXED, "CABLETRN", "EA41*", "*" }, 515 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 516 }, 517 { 518 /* TeraSolutions special settings for TRC-22 RAID */ 519 { T_DIRECT, SIP_MEDIA_FIXED, "TERASOLU", "TRC-22", "*" }, 520 /*quirks*/0, /*mintags*/55, /*maxtags*/255 521 }, 522 { 523 /* Veritas Storage Appliance */ 524 { T_DIRECT, SIP_MEDIA_FIXED, "VERITAS", "*", "*" }, 525 CAM_QUIRK_HILUNS, /*mintags*/2, /*maxtags*/1024 526 }, 527 { 528 /* 529 * Would respond to all LUNs. Device type and removable 530 * flag are jumper-selectable. 531 */ 532 { T_ANY, SIP_MEDIA_REMOVABLE|SIP_MEDIA_FIXED, "MaxOptix", 533 "Tahiti 1", "*" 534 }, 535 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 536 }, 537 { 538 /* EasyRAID E5A aka. areca ARC-6010 */ 539 { T_DIRECT, SIP_MEDIA_FIXED, "easyRAID", "*", "*" }, 540 CAM_QUIRK_NOHILUNS, /*mintags*/2, /*maxtags*/255 541 }, 542 { 543 { T_ENCLOSURE, SIP_MEDIA_FIXED, "DP", "BACKPLANE", "*" }, 544 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 545 }, 546 { 547 { T_DIRECT, SIP_MEDIA_REMOVABLE, "Garmin", "*", "*" }, 548 CAM_QUIRK_NORPTLUNS, /*mintags*/2, /*maxtags*/255 549 }, 550 { 551 /* Default tagged queuing parameters for all devices */ 552 { 553 T_ANY, SIP_MEDIA_REMOVABLE|SIP_MEDIA_FIXED, 554 /*vendor*/"*", /*product*/"*", /*revision*/"*" 555 }, 556 /*quirks*/0, /*mintags*/2, /*maxtags*/255 557 }, 558 }; 559 560 static const int scsi_quirk_table_size = 561 sizeof(scsi_quirk_table) / sizeof(*scsi_quirk_table); 562 563 static cam_status proberegister(struct cam_periph *periph, 564 void *arg); 565 static void probeschedule(struct cam_periph *probe_periph); 566 static void probestart(struct cam_periph *periph, union ccb *start_ccb); 567 static void proberequestdefaultnegotiation(struct cam_periph *periph); 568 static int proberequestbackoff(struct cam_periph *periph, 569 struct cam_ed *device); 570 static void probedone(struct cam_periph *periph, union ccb *done_ccb); 571 static void probe_purge_old(struct cam_path *path, 572 struct scsi_report_luns_data *new, 573 probe_flags flags); 574 static void probecleanup(struct cam_periph *periph); 575 static void scsi_find_quirk(struct cam_ed *device); 576 static void scsi_scan_bus(struct cam_periph *periph, union ccb *ccb); 577 static void scsi_scan_lun(struct cam_periph *periph, 578 struct cam_path *path, cam_flags flags, 579 union ccb *ccb); 580 static void xptscandone(struct cam_periph *periph, union ccb *done_ccb); 581 static struct cam_ed * 582 scsi_alloc_device(struct cam_eb *bus, struct cam_et *target, 583 lun_id_t lun_id); 584 static void scsi_devise_transport(struct cam_path *path); 585 static void scsi_set_transfer_settings(struct ccb_trans_settings *cts, 586 struct cam_path *path, 587 int async_update); 588 static void scsi_toggle_tags(struct cam_path *path); 589 static void scsi_dev_async(u_int32_t async_code, 590 struct cam_eb *bus, 591 struct cam_et *target, 592 struct cam_ed *device, 593 void *async_arg); 594 static void scsi_action(union ccb *start_ccb); 595 static void scsi_announce_periph(struct cam_periph *periph); 596 597 static struct xpt_xport scsi_xport = { 598 .alloc_device = scsi_alloc_device, 599 .action = scsi_action, 600 .async = scsi_dev_async, 601 .announce = scsi_announce_periph, 602 }; 603 604 struct xpt_xport * 605 scsi_get_xport(void) 606 { 607 return (&scsi_xport); 608 } 609 610 static void 611 probe_periph_init() 612 { 613 } 614 615 static cam_status 616 proberegister(struct cam_periph *periph, void *arg) 617 { 618 union ccb *request_ccb; /* CCB representing the probe request */ 619 cam_status status; 620 probe_softc *softc; 621 622 request_ccb = (union ccb *)arg; 623 if (request_ccb == NULL) { 624 printf("proberegister: no probe CCB, " 625 "can't register device\n"); 626 return(CAM_REQ_CMP_ERR); 627 } 628 629 softc = (probe_softc *)malloc(sizeof(*softc), M_CAMXPT, M_NOWAIT); 630 631 if (softc == NULL) { 632 printf("proberegister: Unable to probe new device. " 633 "Unable to allocate softc\n"); 634 return(CAM_REQ_CMP_ERR); 635 } 636 TAILQ_INIT(&softc->request_ccbs); 637 TAILQ_INSERT_TAIL(&softc->request_ccbs, &request_ccb->ccb_h, 638 periph_links.tqe); 639 softc->flags = 0; 640 periph->softc = softc; 641 softc->periph = periph; 642 softc->action = PROBE_INVALID; 643 status = cam_periph_acquire(periph); 644 if (status != CAM_REQ_CMP) { 645 return (status); 646 } 647 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, ("Probe started\n")); 648 scsi_devise_transport(periph->path); 649 650 /* 651 * Ensure we've waited at least a bus settle 652 * delay before attempting to probe the device. 653 * For HBAs that don't do bus resets, this won't make a difference. 654 */ 655 cam_periph_freeze_after_event(periph, &periph->path->bus->last_reset, 656 scsi_delay); 657 probeschedule(periph); 658 return(CAM_REQ_CMP); 659 } 660 661 static void 662 probeschedule(struct cam_periph *periph) 663 { 664 struct ccb_pathinq cpi; 665 union ccb *ccb; 666 probe_softc *softc; 667 668 softc = (probe_softc *)periph->softc; 669 ccb = (union ccb *)TAILQ_FIRST(&softc->request_ccbs); 670 671 xpt_setup_ccb(&cpi.ccb_h, periph->path, CAM_PRIORITY_NONE); 672 cpi.ccb_h.func_code = XPT_PATH_INQ; 673 xpt_action((union ccb *)&cpi); 674 675 /* 676 * If a device has gone away and another device, or the same one, 677 * is back in the same place, it should have a unit attention 678 * condition pending. It will not report the unit attention in 679 * response to an inquiry, which may leave invalid transfer 680 * negotiations in effect. The TUR will reveal the unit attention 681 * condition. Only send the TUR for lun 0, since some devices 682 * will get confused by commands other than inquiry to non-existent 683 * luns. If you think a device has gone away start your scan from 684 * lun 0. This will insure that any bogus transfer settings are 685 * invalidated. 686 * 687 * If we haven't seen the device before and the controller supports 688 * some kind of transfer negotiation, negotiate with the first 689 * sent command if no bus reset was performed at startup. This 690 * ensures that the device is not confused by transfer negotiation 691 * settings left over by loader or BIOS action. 692 */ 693 if (((ccb->ccb_h.path->device->flags & CAM_DEV_UNCONFIGURED) == 0) 694 && (ccb->ccb_h.target_lun == 0)) { 695 PROBE_SET_ACTION(softc, PROBE_TUR); 696 } else if ((cpi.hba_inquiry & (PI_WIDE_32|PI_WIDE_16|PI_SDTR_ABLE)) != 0 697 && (cpi.hba_misc & PIM_NOBUSRESET) != 0) { 698 proberequestdefaultnegotiation(periph); 699 PROBE_SET_ACTION(softc, PROBE_INQUIRY); 700 } else { 701 PROBE_SET_ACTION(softc, PROBE_INQUIRY); 702 } 703 704 if (ccb->crcn.flags & CAM_EXPECT_INQ_CHANGE) 705 softc->flags |= PROBE_NO_ANNOUNCE; 706 else 707 softc->flags &= ~PROBE_NO_ANNOUNCE; 708 709 if (cpi.hba_misc & PIM_EXTLUNS) 710 softc->flags |= PROBE_EXTLUN; 711 else 712 softc->flags &= ~PROBE_EXTLUN; 713 714 xpt_schedule(periph, CAM_PRIORITY_XPT); 715 } 716 717 static void 718 probestart(struct cam_periph *periph, union ccb *start_ccb) 719 { 720 /* Probe the device that our peripheral driver points to */ 721 struct ccb_scsiio *csio; 722 probe_softc *softc; 723 724 CAM_DEBUG(start_ccb->ccb_h.path, CAM_DEBUG_TRACE, ("probestart\n")); 725 726 softc = (probe_softc *)periph->softc; 727 csio = &start_ccb->csio; 728 again: 729 730 switch (softc->action) { 731 case PROBE_TUR: 732 case PROBE_TUR_FOR_NEGOTIATION: 733 case PROBE_DV_EXIT: 734 { 735 scsi_test_unit_ready(csio, 736 /*retries*/4, 737 probedone, 738 MSG_SIMPLE_Q_TAG, 739 SSD_FULL_SIZE, 740 /*timeout*/60000); 741 break; 742 } 743 case PROBE_INQUIRY: 744 case PROBE_FULL_INQUIRY: 745 case PROBE_INQUIRY_BASIC_DV1: 746 case PROBE_INQUIRY_BASIC_DV2: 747 { 748 u_int inquiry_len; 749 struct scsi_inquiry_data *inq_buf; 750 751 inq_buf = &periph->path->device->inq_data; 752 753 /* 754 * If the device is currently configured, we calculate an 755 * MD5 checksum of the inquiry data, and if the serial number 756 * length is greater than 0, add the serial number data 757 * into the checksum as well. Once the inquiry and the 758 * serial number check finish, we attempt to figure out 759 * whether we still have the same device. 760 */ 761 if ((periph->path->device->flags & CAM_DEV_UNCONFIGURED) == 0) { 762 763 MD5Init(&softc->context); 764 MD5Update(&softc->context, (unsigned char *)inq_buf, 765 sizeof(struct scsi_inquiry_data)); 766 softc->flags |= PROBE_INQUIRY_CKSUM; 767 if (periph->path->device->serial_num_len > 0) { 768 MD5Update(&softc->context, 769 periph->path->device->serial_num, 770 periph->path->device->serial_num_len); 771 softc->flags |= PROBE_SERIAL_CKSUM; 772 } 773 MD5Final(softc->digest, &softc->context); 774 } 775 776 if (softc->action == PROBE_INQUIRY) 777 inquiry_len = SHORT_INQUIRY_LENGTH; 778 else 779 inquiry_len = SID_ADDITIONAL_LENGTH(inq_buf); 780 781 /* 782 * Some parallel SCSI devices fail to send an 783 * ignore wide residue message when dealing with 784 * odd length inquiry requests. Round up to be 785 * safe. 786 */ 787 inquiry_len = roundup2(inquiry_len, 2); 788 789 if (softc->action == PROBE_INQUIRY_BASIC_DV1 790 || softc->action == PROBE_INQUIRY_BASIC_DV2) { 791 inq_buf = malloc(inquiry_len, M_CAMXPT, M_NOWAIT); 792 } 793 if (inq_buf == NULL) { 794 xpt_print(periph->path, "malloc failure- skipping Basic" 795 "Domain Validation\n"); 796 PROBE_SET_ACTION(softc, PROBE_DV_EXIT); 797 scsi_test_unit_ready(csio, 798 /*retries*/4, 799 probedone, 800 MSG_SIMPLE_Q_TAG, 801 SSD_FULL_SIZE, 802 /*timeout*/60000); 803 break; 804 } 805 scsi_inquiry(csio, 806 /*retries*/4, 807 probedone, 808 MSG_SIMPLE_Q_TAG, 809 (u_int8_t *)inq_buf, 810 inquiry_len, 811 /*evpd*/FALSE, 812 /*page_code*/0, 813 SSD_MIN_SIZE, 814 /*timeout*/60 * 1000); 815 break; 816 } 817 case PROBE_REPORT_LUNS: 818 { 819 void *rp; 820 821 rp = malloc(periph->path->target->rpl_size, 822 M_CAMXPT, M_NOWAIT | M_ZERO); 823 if (rp == NULL) { 824 struct scsi_inquiry_data *inq_buf; 825 inq_buf = &periph->path->device->inq_data; 826 xpt_print(periph->path, 827 "Unable to alloc report luns storage\n"); 828 if (INQ_DATA_TQ_ENABLED(inq_buf)) 829 PROBE_SET_ACTION(softc, PROBE_MODE_SENSE); 830 else 831 PROBE_SET_ACTION(softc, 832 PROBE_SUPPORTED_VPD_LIST); 833 goto again; 834 } 835 scsi_report_luns(csio, 5, probedone, MSG_SIMPLE_Q_TAG, 836 RPL_REPORT_DEFAULT, rp, periph->path->target->rpl_size, 837 SSD_FULL_SIZE, 60000); break; 838 break; 839 } 840 case PROBE_MODE_SENSE: 841 { 842 void *mode_buf; 843 int mode_buf_len; 844 845 mode_buf_len = sizeof(struct scsi_mode_header_6) 846 + sizeof(struct scsi_mode_blk_desc) 847 + sizeof(struct scsi_control_page); 848 mode_buf = malloc(mode_buf_len, M_CAMXPT, M_NOWAIT); 849 if (mode_buf != NULL) { 850 scsi_mode_sense(csio, 851 /*retries*/4, 852 probedone, 853 MSG_SIMPLE_Q_TAG, 854 /*dbd*/FALSE, 855 SMS_PAGE_CTRL_CURRENT, 856 SMS_CONTROL_MODE_PAGE, 857 mode_buf, 858 mode_buf_len, 859 SSD_FULL_SIZE, 860 /*timeout*/60000); 861 break; 862 } 863 xpt_print(periph->path, "Unable to mode sense control page - " 864 "malloc failure\n"); 865 PROBE_SET_ACTION(softc, PROBE_SUPPORTED_VPD_LIST); 866 } 867 /* FALLTHROUGH */ 868 case PROBE_SUPPORTED_VPD_LIST: 869 { 870 struct scsi_vpd_supported_page_list *vpd_list; 871 struct cam_ed *device; 872 873 vpd_list = NULL; 874 device = periph->path->device; 875 876 if ((SCSI_QUIRK(device)->quirks & CAM_QUIRK_NOVPDS) == 0) 877 vpd_list = malloc(sizeof(*vpd_list), M_CAMXPT, 878 M_NOWAIT | M_ZERO); 879 880 if (vpd_list != NULL) { 881 scsi_inquiry(csio, 882 /*retries*/4, 883 probedone, 884 MSG_SIMPLE_Q_TAG, 885 (u_int8_t *)vpd_list, 886 sizeof(*vpd_list), 887 /*evpd*/TRUE, 888 SVPD_SUPPORTED_PAGE_LIST, 889 SSD_MIN_SIZE, 890 /*timeout*/60 * 1000); 891 break; 892 } 893 /* 894 * We'll have to do without, let our probedone 895 * routine finish up for us. 896 */ 897 start_ccb->csio.data_ptr = NULL; 898 cam_freeze_devq(periph->path); 899 probedone(periph, start_ccb); 900 return; 901 } 902 case PROBE_DEVICE_ID: 903 { 904 struct scsi_vpd_device_id *devid; 905 906 devid = NULL; 907 if (scsi_vpd_supported_page(periph, SVPD_DEVICE_ID)) 908 devid = malloc(SVPD_DEVICE_ID_MAX_SIZE, M_CAMXPT, 909 M_NOWAIT | M_ZERO); 910 911 if (devid != NULL) { 912 scsi_inquiry(csio, 913 /*retries*/4, 914 probedone, 915 MSG_SIMPLE_Q_TAG, 916 (uint8_t *)devid, 917 SVPD_DEVICE_ID_MAX_SIZE, 918 /*evpd*/TRUE, 919 SVPD_DEVICE_ID, 920 SSD_MIN_SIZE, 921 /*timeout*/60 * 1000); 922 break; 923 } 924 /* 925 * We'll have to do without, let our probedone 926 * routine finish up for us. 927 */ 928 start_ccb->csio.data_ptr = NULL; 929 cam_freeze_devq(periph->path); 930 probedone(periph, start_ccb); 931 return; 932 } 933 case PROBE_SERIAL_NUM: 934 { 935 struct scsi_vpd_unit_serial_number *serial_buf; 936 struct cam_ed* device; 937 938 serial_buf = NULL; 939 device = periph->path->device; 940 if (device->serial_num != NULL) { 941 free(device->serial_num, M_CAMXPT); 942 device->serial_num = NULL; 943 device->serial_num_len = 0; 944 } 945 946 if (scsi_vpd_supported_page(periph, SVPD_UNIT_SERIAL_NUMBER)) 947 serial_buf = (struct scsi_vpd_unit_serial_number *) 948 malloc(sizeof(*serial_buf), M_CAMXPT, 949 M_NOWAIT|M_ZERO); 950 951 if (serial_buf != NULL) { 952 scsi_inquiry(csio, 953 /*retries*/4, 954 probedone, 955 MSG_SIMPLE_Q_TAG, 956 (u_int8_t *)serial_buf, 957 sizeof(*serial_buf), 958 /*evpd*/TRUE, 959 SVPD_UNIT_SERIAL_NUMBER, 960 SSD_MIN_SIZE, 961 /*timeout*/60 * 1000); 962 break; 963 } 964 /* 965 * We'll have to do without, let our probedone 966 * routine finish up for us. 967 */ 968 start_ccb->csio.data_ptr = NULL; 969 cam_freeze_devq(periph->path); 970 probedone(periph, start_ccb); 971 return; 972 } 973 default: 974 panic("probestart: invalid action state 0x%x\n", softc->action); 975 } 976 start_ccb->ccb_h.flags |= CAM_DEV_QFREEZE; 977 xpt_action(start_ccb); 978 } 979 980 static void 981 proberequestdefaultnegotiation(struct cam_periph *periph) 982 { 983 struct ccb_trans_settings cts; 984 985 xpt_setup_ccb(&cts.ccb_h, periph->path, CAM_PRIORITY_NONE); 986 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 987 cts.type = CTS_TYPE_USER_SETTINGS; 988 xpt_action((union ccb *)&cts); 989 if (cam_ccb_status((union ccb *)&cts) != CAM_REQ_CMP) { 990 return; 991 } 992 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 993 cts.type = CTS_TYPE_CURRENT_SETTINGS; 994 xpt_action((union ccb *)&cts); 995 } 996 997 /* 998 * Backoff Negotiation Code- only pertinent for SPI devices. 999 */ 1000 static int 1001 proberequestbackoff(struct cam_periph *periph, struct cam_ed *device) 1002 { 1003 struct ccb_trans_settings cts; 1004 struct ccb_trans_settings_spi *spi; 1005 1006 memset(&cts, 0, sizeof (cts)); 1007 xpt_setup_ccb(&cts.ccb_h, periph->path, CAM_PRIORITY_NONE); 1008 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 1009 cts.type = CTS_TYPE_CURRENT_SETTINGS; 1010 xpt_action((union ccb *)&cts); 1011 if (cam_ccb_status((union ccb *)&cts) != CAM_REQ_CMP) { 1012 if (bootverbose) { 1013 xpt_print(periph->path, 1014 "failed to get current device settings\n"); 1015 } 1016 return (0); 1017 } 1018 if (cts.transport != XPORT_SPI) { 1019 if (bootverbose) { 1020 xpt_print(periph->path, "not SPI transport\n"); 1021 } 1022 return (0); 1023 } 1024 spi = &cts.xport_specific.spi; 1025 1026 /* 1027 * We cannot renegotiate sync rate if we don't have one. 1028 */ 1029 if ((spi->valid & CTS_SPI_VALID_SYNC_RATE) == 0) { 1030 if (bootverbose) { 1031 xpt_print(periph->path, "no sync rate known\n"); 1032 } 1033 return (0); 1034 } 1035 1036 /* 1037 * We'll assert that we don't have to touch PPR options- the 1038 * SIM will see what we do with period and offset and adjust 1039 * the PPR options as appropriate. 1040 */ 1041 1042 /* 1043 * A sync rate with unknown or zero offset is nonsensical. 1044 * A sync period of zero means Async. 1045 */ 1046 if ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) == 0 1047 || spi->sync_offset == 0 || spi->sync_period == 0) { 1048 if (bootverbose) { 1049 xpt_print(periph->path, "no sync rate available\n"); 1050 } 1051 return (0); 1052 } 1053 1054 if (device->flags & CAM_DEV_DV_HIT_BOTTOM) { 1055 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, 1056 ("hit async: giving up on DV\n")); 1057 return (0); 1058 } 1059 1060 1061 /* 1062 * Jump sync_period up by one, but stop at 5MHz and fall back to Async. 1063 * We don't try to remember 'last' settings to see if the SIM actually 1064 * gets into the speed we want to set. We check on the SIM telling 1065 * us that a requested speed is bad, but otherwise don't try and 1066 * check the speed due to the asynchronous and handshake nature 1067 * of speed setting. 1068 */ 1069 spi->valid = CTS_SPI_VALID_SYNC_RATE | CTS_SPI_VALID_SYNC_OFFSET; 1070 for (;;) { 1071 spi->sync_period++; 1072 if (spi->sync_period >= 0xf) { 1073 spi->sync_period = 0; 1074 spi->sync_offset = 0; 1075 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, 1076 ("setting to async for DV\n")); 1077 /* 1078 * Once we hit async, we don't want to try 1079 * any more settings. 1080 */ 1081 device->flags |= CAM_DEV_DV_HIT_BOTTOM; 1082 } else if (bootverbose) { 1083 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, 1084 ("DV: period 0x%x\n", spi->sync_period)); 1085 printf("setting period to 0x%x\n", spi->sync_period); 1086 } 1087 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 1088 cts.type = CTS_TYPE_CURRENT_SETTINGS; 1089 xpt_action((union ccb *)&cts); 1090 if (cam_ccb_status((union ccb *)&cts) != CAM_REQ_CMP) { 1091 break; 1092 } 1093 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, 1094 ("DV: failed to set period 0x%x\n", spi->sync_period)); 1095 if (spi->sync_period == 0) { 1096 return (0); 1097 } 1098 } 1099 return (1); 1100 } 1101 1102 #define CCB_COMPLETED_OK(ccb) (((ccb).status & CAM_STATUS_MASK) == CAM_REQ_CMP) 1103 1104 static void 1105 probedone(struct cam_periph *periph, union ccb *done_ccb) 1106 { 1107 probe_softc *softc; 1108 struct cam_path *path; 1109 u_int32_t priority; 1110 1111 CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_TRACE, ("probedone\n")); 1112 1113 softc = (probe_softc *)periph->softc; 1114 path = done_ccb->ccb_h.path; 1115 priority = done_ccb->ccb_h.pinfo.priority; 1116 1117 switch (softc->action) { 1118 case PROBE_TUR: 1119 { 1120 if (cam_ccb_status(done_ccb) != CAM_REQ_CMP) { 1121 1122 if (cam_periph_error(done_ccb, 0, 1123 SF_NO_PRINT, NULL) == ERESTART) { 1124 out: 1125 /* Drop freeze taken due to CAM_DEV_QFREEZE */ 1126 cam_release_devq(path, 0, 0, 0, FALSE); 1127 return; 1128 } 1129 else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 1130 /* Don't wedge the queue */ 1131 xpt_release_devq(done_ccb->ccb_h.path, 1132 /*count*/1, 1133 /*run_queue*/TRUE); 1134 } 1135 PROBE_SET_ACTION(softc, PROBE_INQUIRY); 1136 xpt_release_ccb(done_ccb); 1137 xpt_schedule(periph, priority); 1138 goto out; 1139 } 1140 case PROBE_INQUIRY: 1141 case PROBE_FULL_INQUIRY: 1142 { 1143 if (cam_ccb_status(done_ccb) == CAM_REQ_CMP) { 1144 struct scsi_inquiry_data *inq_buf; 1145 u_int8_t periph_qual; 1146 1147 path->device->flags |= CAM_DEV_INQUIRY_DATA_VALID; 1148 inq_buf = &path->device->inq_data; 1149 1150 periph_qual = SID_QUAL(inq_buf); 1151 1152 if (periph_qual == SID_QUAL_LU_CONNECTED) { 1153 u_int8_t len; 1154 1155 /* 1156 * We conservatively request only 1157 * SHORT_INQUIRY_LEN bytes of inquiry 1158 * information during our first try 1159 * at sending an INQUIRY. If the device 1160 * has more information to give, 1161 * perform a second request specifying 1162 * the amount of information the device 1163 * is willing to give. 1164 */ 1165 len = inq_buf->additional_length 1166 + offsetof(struct scsi_inquiry_data, 1167 additional_length) + 1; 1168 if (softc->action == PROBE_INQUIRY 1169 && len > SHORT_INQUIRY_LENGTH) { 1170 PROBE_SET_ACTION(softc, PROBE_FULL_INQUIRY); 1171 xpt_release_ccb(done_ccb); 1172 xpt_schedule(periph, priority); 1173 goto out; 1174 } 1175 1176 scsi_find_quirk(path->device); 1177 1178 scsi_devise_transport(path); 1179 1180 if (path->device->lun_id == 0 && 1181 SID_ANSI_REV(inq_buf) > SCSI_REV_SPC2 && 1182 (SCSI_QUIRK(path->device)->quirks & 1183 CAM_QUIRK_NORPTLUNS) == 0) { 1184 PROBE_SET_ACTION(softc, 1185 PROBE_REPORT_LUNS); 1186 /* 1187 * Start with room for *one* lun. 1188 */ 1189 periph->path->target->rpl_size = 16; 1190 } else if (INQ_DATA_TQ_ENABLED(inq_buf)) 1191 PROBE_SET_ACTION(softc, 1192 PROBE_MODE_SENSE); 1193 else 1194 PROBE_SET_ACTION(softc, 1195 PROBE_SUPPORTED_VPD_LIST); 1196 1197 if (path->device->flags & CAM_DEV_UNCONFIGURED) { 1198 path->device->flags &= ~CAM_DEV_UNCONFIGURED; 1199 xpt_acquire_device(path->device); 1200 } 1201 xpt_release_ccb(done_ccb); 1202 xpt_schedule(periph, priority); 1203 goto out; 1204 } else if (path->device->lun_id == 0 && 1205 SID_ANSI_REV(inq_buf) > SCSI_REV_SPC2 && 1206 (SCSI_QUIRK(path->device)->quirks & 1207 CAM_QUIRK_NORPTLUNS) == 0) { 1208 if (path->device->flags & 1209 CAM_DEV_UNCONFIGURED) { 1210 path->device->flags &= 1211 ~CAM_DEV_UNCONFIGURED; 1212 xpt_acquire_device(path->device); 1213 } 1214 PROBE_SET_ACTION(softc, PROBE_REPORT_LUNS); 1215 periph->path->target->rpl_size = 16; 1216 xpt_release_ccb(done_ccb); 1217 xpt_schedule(periph, priority); 1218 goto out; 1219 } 1220 } else if (cam_periph_error(done_ccb, 0, 1221 done_ccb->ccb_h.target_lun > 0 1222 ? SF_RETRY_UA|SF_QUIET_IR 1223 : SF_RETRY_UA, 1224 &softc->saved_ccb) == ERESTART) { 1225 goto out; 1226 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1227 /* Don't wedge the queue */ 1228 xpt_release_devq(done_ccb->ccb_h.path, /*count*/1, 1229 /*run_queue*/TRUE); 1230 } 1231 /* 1232 * If we get to this point, we got an error status back 1233 * from the inquiry and the error status doesn't require 1234 * automatically retrying the command. Therefore, the 1235 * inquiry failed. If we had inquiry information before 1236 * for this device, but this latest inquiry command failed, 1237 * the device has probably gone away. If this device isn't 1238 * already marked unconfigured, notify the peripheral 1239 * drivers that this device is no more. 1240 */ 1241 if ((path->device->flags & CAM_DEV_UNCONFIGURED) == 0) 1242 /* Send the async notification. */ 1243 xpt_async(AC_LOST_DEVICE, path, NULL); 1244 PROBE_SET_ACTION(softc, PROBE_INVALID); 1245 1246 xpt_release_ccb(done_ccb); 1247 break; 1248 } 1249 case PROBE_REPORT_LUNS: 1250 { 1251 struct ccb_scsiio *csio; 1252 struct scsi_report_luns_data *lp; 1253 u_int nlun, maxlun; 1254 1255 csio = &done_ccb->csio; 1256 1257 lp = (struct scsi_report_luns_data *)csio->data_ptr; 1258 nlun = scsi_4btoul(lp->length) / 8; 1259 maxlun = (csio->dxfer_len / 8) - 1; 1260 1261 if (cam_ccb_status(done_ccb) != CAM_REQ_CMP) { 1262 if (cam_periph_error(done_ccb, 0, 1263 done_ccb->ccb_h.target_lun > 0 ? 1264 SF_RETRY_UA|SF_QUIET_IR : SF_RETRY_UA, 1265 &softc->saved_ccb) == ERESTART) { 1266 goto out; 1267 } 1268 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1269 xpt_release_devq(done_ccb->ccb_h.path, 1, 1270 TRUE); 1271 } 1272 free(lp, M_CAMXPT); 1273 lp = NULL; 1274 } else if (nlun > maxlun) { 1275 /* 1276 * Reallocate and retry to cover all luns 1277 */ 1278 CAM_DEBUG(path, CAM_DEBUG_PROBE, 1279 ("Probe: reallocating REPORT_LUNS for %u luns\n", 1280 nlun)); 1281 free(lp, M_CAMXPT); 1282 path->target->rpl_size = (nlun << 3) + 8; 1283 xpt_release_ccb(done_ccb); 1284 xpt_schedule(periph, priority); 1285 goto out; 1286 } else if (nlun == 0) { 1287 /* 1288 * If there don't appear to be any luns, bail. 1289 */ 1290 free(lp, M_CAMXPT); 1291 lp = NULL; 1292 } else { 1293 lun_id_t lun; 1294 int idx; 1295 1296 CAM_DEBUG(path, CAM_DEBUG_PROBE, 1297 ("Probe: %u lun(s) reported\n", nlun)); 1298 1299 CAM_GET_LUN(lp, 0, lun); 1300 /* 1301 * If the first lun is not lun 0, then either there 1302 * is no lun 0 in the list, or the list is unsorted. 1303 */ 1304 if (lun != 0) { 1305 for (idx = 0; idx < nlun; idx++) { 1306 CAM_GET_LUN(lp, idx, lun); 1307 if (lun == 0) { 1308 break; 1309 } 1310 } 1311 if (idx != nlun) { 1312 uint8_t tlun[8]; 1313 memcpy(tlun, 1314 lp->luns[0].lundata, 8); 1315 memcpy(lp->luns[0].lundata, 1316 lp->luns[idx].lundata, 8); 1317 memcpy(lp->luns[idx].lundata, 1318 tlun, 8); 1319 CAM_DEBUG(path, CAM_DEBUG_PROBE, 1320 ("lun 0 in position %u\n", idx)); 1321 } else { 1322 /* 1323 * There is no lun 0 in our list. Destroy 1324 * the validity of the inquiry data so we 1325 * bail here and now. 1326 */ 1327 path->device->flags &= 1328 ~CAM_DEV_INQUIRY_DATA_VALID; 1329 } 1330 } 1331 /* 1332 * If we have an old lun list, We can either 1333 * retest luns that appear to have been dropped, 1334 * or just nuke them. We'll opt for the latter. 1335 * This function will also install the new list 1336 * in the target structure. 1337 */ 1338 probe_purge_old(path, lp, softc->flags); 1339 lp = NULL; 1340 } 1341 if (path->device->flags & CAM_DEV_INQUIRY_DATA_VALID) { 1342 struct scsi_inquiry_data *inq_buf; 1343 inq_buf = &path->device->inq_data; 1344 if (INQ_DATA_TQ_ENABLED(inq_buf)) 1345 PROBE_SET_ACTION(softc, PROBE_MODE_SENSE); 1346 else 1347 PROBE_SET_ACTION(softc, 1348 PROBE_SUPPORTED_VPD_LIST); 1349 xpt_release_ccb(done_ccb); 1350 xpt_schedule(periph, priority); 1351 goto out; 1352 } 1353 if (lp) { 1354 free(lp, M_CAMXPT); 1355 } 1356 break; 1357 } 1358 case PROBE_MODE_SENSE: 1359 { 1360 struct ccb_scsiio *csio; 1361 struct scsi_mode_header_6 *mode_hdr; 1362 1363 csio = &done_ccb->csio; 1364 mode_hdr = (struct scsi_mode_header_6 *)csio->data_ptr; 1365 if (cam_ccb_status(done_ccb) == CAM_REQ_CMP) { 1366 struct scsi_control_page *page; 1367 u_int8_t *offset; 1368 1369 offset = ((u_int8_t *)&mode_hdr[1]) 1370 + mode_hdr->blk_desc_len; 1371 page = (struct scsi_control_page *)offset; 1372 path->device->queue_flags = page->queue_flags; 1373 } else if (cam_periph_error(done_ccb, 0, 1374 SF_RETRY_UA|SF_NO_PRINT, 1375 &softc->saved_ccb) == ERESTART) { 1376 goto out; 1377 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1378 /* Don't wedge the queue */ 1379 xpt_release_devq(done_ccb->ccb_h.path, 1380 /*count*/1, /*run_queue*/TRUE); 1381 } 1382 xpt_release_ccb(done_ccb); 1383 free(mode_hdr, M_CAMXPT); 1384 PROBE_SET_ACTION(softc, PROBE_SUPPORTED_VPD_LIST); 1385 xpt_schedule(periph, priority); 1386 goto out; 1387 } 1388 case PROBE_SUPPORTED_VPD_LIST: 1389 { 1390 struct ccb_scsiio *csio; 1391 struct scsi_vpd_supported_page_list *page_list; 1392 1393 csio = &done_ccb->csio; 1394 page_list = 1395 (struct scsi_vpd_supported_page_list *)csio->data_ptr; 1396 1397 if (path->device->supported_vpds != NULL) { 1398 free(path->device->supported_vpds, M_CAMXPT); 1399 path->device->supported_vpds = NULL; 1400 path->device->supported_vpds_len = 0; 1401 } 1402 1403 if (page_list == NULL) { 1404 /* 1405 * Don't process the command as it was never sent 1406 */ 1407 } else if (CCB_COMPLETED_OK(csio->ccb_h)) { 1408 /* Got vpd list */ 1409 path->device->supported_vpds_len = page_list->length + 1410 SVPD_SUPPORTED_PAGES_HDR_LEN; 1411 path->device->supported_vpds = (uint8_t *)page_list; 1412 xpt_release_ccb(done_ccb); 1413 PROBE_SET_ACTION(softc, PROBE_DEVICE_ID); 1414 xpt_schedule(periph, priority); 1415 goto out; 1416 } else if (cam_periph_error(done_ccb, 0, 1417 SF_RETRY_UA|SF_NO_PRINT, 1418 &softc->saved_ccb) == ERESTART) { 1419 goto out; 1420 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1421 /* Don't wedge the queue */ 1422 xpt_release_devq(done_ccb->ccb_h.path, /*count*/1, 1423 /*run_queue*/TRUE); 1424 } 1425 1426 if (page_list) 1427 free(page_list, M_CAMXPT); 1428 /* No VPDs available, skip to device check. */ 1429 csio->data_ptr = NULL; 1430 goto probe_device_check; 1431 } 1432 case PROBE_DEVICE_ID: 1433 { 1434 struct scsi_vpd_device_id *devid; 1435 struct ccb_scsiio *csio; 1436 uint32_t length = 0; 1437 1438 csio = &done_ccb->csio; 1439 devid = (struct scsi_vpd_device_id *)csio->data_ptr; 1440 1441 /* Clean up from previous instance of this device */ 1442 if (path->device->device_id != NULL) { 1443 path->device->device_id_len = 0; 1444 free(path->device->device_id, M_CAMXPT); 1445 path->device->device_id = NULL; 1446 } 1447 1448 if (devid == NULL) { 1449 /* Don't process the command as it was never sent */ 1450 } else if (CCB_COMPLETED_OK(csio->ccb_h)) { 1451 length = scsi_2btoul(devid->length); 1452 if (length != 0) { 1453 /* 1454 * NB: device_id_len is actual response 1455 * size, not buffer size. 1456 */ 1457 path->device->device_id_len = length + 1458 SVPD_DEVICE_ID_HDR_LEN; 1459 path->device->device_id = (uint8_t *)devid; 1460 } 1461 } else if (cam_periph_error(done_ccb, 0, 1462 SF_RETRY_UA, 1463 &softc->saved_ccb) == ERESTART) { 1464 goto out; 1465 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1466 /* Don't wedge the queue */ 1467 xpt_release_devq(done_ccb->ccb_h.path, /*count*/1, 1468 /*run_queue*/TRUE); 1469 } 1470 1471 /* Free the device id space if we don't use it */ 1472 if (devid && length == 0) 1473 free(devid, M_CAMXPT); 1474 xpt_release_ccb(done_ccb); 1475 PROBE_SET_ACTION(softc, PROBE_SERIAL_NUM); 1476 xpt_schedule(periph, priority); 1477 goto out; 1478 } 1479 1480 probe_device_check: 1481 case PROBE_SERIAL_NUM: 1482 { 1483 struct ccb_scsiio *csio; 1484 struct scsi_vpd_unit_serial_number *serial_buf; 1485 u_int32_t priority; 1486 int changed; 1487 int have_serialnum; 1488 1489 changed = 1; 1490 have_serialnum = 0; 1491 csio = &done_ccb->csio; 1492 priority = done_ccb->ccb_h.pinfo.priority; 1493 serial_buf = 1494 (struct scsi_vpd_unit_serial_number *)csio->data_ptr; 1495 1496 if (serial_buf == NULL) { 1497 /* 1498 * Don't process the command as it was never sent 1499 */ 1500 } else if (cam_ccb_status(done_ccb) == CAM_REQ_CMP 1501 && (serial_buf->length > 0)) { 1502 1503 have_serialnum = 1; 1504 path->device->serial_num = 1505 (u_int8_t *)malloc((serial_buf->length + 1), 1506 M_CAMXPT, M_NOWAIT); 1507 if (path->device->serial_num != NULL) { 1508 memcpy(path->device->serial_num, 1509 serial_buf->serial_num, 1510 serial_buf->length); 1511 path->device->serial_num_len = 1512 serial_buf->length; 1513 path->device->serial_num[serial_buf->length] 1514 = '\0'; 1515 } 1516 } else if (cam_periph_error(done_ccb, 0, 1517 SF_RETRY_UA|SF_NO_PRINT, 1518 &softc->saved_ccb) == ERESTART) { 1519 goto out; 1520 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1521 /* Don't wedge the queue */ 1522 xpt_release_devq(done_ccb->ccb_h.path, /*count*/1, 1523 /*run_queue*/TRUE); 1524 } 1525 1526 /* 1527 * Let's see if we have seen this device before. 1528 */ 1529 if ((softc->flags & PROBE_INQUIRY_CKSUM) != 0) { 1530 MD5_CTX context; 1531 u_int8_t digest[16]; 1532 1533 MD5Init(&context); 1534 1535 MD5Update(&context, 1536 (unsigned char *)&path->device->inq_data, 1537 sizeof(struct scsi_inquiry_data)); 1538 1539 if (have_serialnum) 1540 MD5Update(&context, serial_buf->serial_num, 1541 serial_buf->length); 1542 1543 MD5Final(digest, &context); 1544 if (bcmp(softc->digest, digest, 16) == 0) 1545 changed = 0; 1546 1547 /* 1548 * XXX Do we need to do a TUR in order to ensure 1549 * that the device really hasn't changed??? 1550 */ 1551 if ((changed != 0) 1552 && ((softc->flags & PROBE_NO_ANNOUNCE) == 0)) 1553 xpt_async(AC_LOST_DEVICE, path, NULL); 1554 } 1555 if (serial_buf != NULL) 1556 free(serial_buf, M_CAMXPT); 1557 1558 if (changed != 0) { 1559 /* 1560 * Now that we have all the necessary 1561 * information to safely perform transfer 1562 * negotiations... Controllers don't perform 1563 * any negotiation or tagged queuing until 1564 * after the first XPT_SET_TRAN_SETTINGS ccb is 1565 * received. So, on a new device, just retrieve 1566 * the user settings, and set them as the current 1567 * settings to set the device up. 1568 */ 1569 proberequestdefaultnegotiation(periph); 1570 xpt_release_ccb(done_ccb); 1571 1572 /* 1573 * Perform a TUR to allow the controller to 1574 * perform any necessary transfer negotiation. 1575 */ 1576 PROBE_SET_ACTION(softc, PROBE_TUR_FOR_NEGOTIATION); 1577 xpt_schedule(periph, priority); 1578 goto out; 1579 } 1580 xpt_release_ccb(done_ccb); 1581 break; 1582 } 1583 case PROBE_TUR_FOR_NEGOTIATION: 1584 case PROBE_DV_EXIT: 1585 if (cam_ccb_status(done_ccb) != CAM_REQ_CMP) { 1586 cam_periph_error(done_ccb, 0, 1587 SF_NO_PRINT | SF_NO_RECOVERY | SF_NO_RETRY, NULL); 1588 } 1589 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1590 /* Don't wedge the queue */ 1591 xpt_release_devq(done_ccb->ccb_h.path, /*count*/1, 1592 /*run_queue*/TRUE); 1593 } 1594 /* 1595 * Do Domain Validation for lun 0 on devices that claim 1596 * to support Synchronous Transfer modes. 1597 */ 1598 if (softc->action == PROBE_TUR_FOR_NEGOTIATION 1599 && done_ccb->ccb_h.target_lun == 0 1600 && (path->device->inq_data.flags & SID_Sync) != 0 1601 && (path->device->flags & CAM_DEV_IN_DV) == 0) { 1602 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, 1603 ("Begin Domain Validation\n")); 1604 path->device->flags |= CAM_DEV_IN_DV; 1605 xpt_release_ccb(done_ccb); 1606 PROBE_SET_ACTION(softc, PROBE_INQUIRY_BASIC_DV1); 1607 xpt_schedule(periph, priority); 1608 goto out; 1609 } 1610 if (softc->action == PROBE_DV_EXIT) { 1611 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, 1612 ("Leave Domain Validation\n")); 1613 } 1614 if (path->device->flags & CAM_DEV_UNCONFIGURED) { 1615 path->device->flags &= ~CAM_DEV_UNCONFIGURED; 1616 xpt_acquire_device(path->device); 1617 } 1618 path->device->flags &= 1619 ~(CAM_DEV_IN_DV|CAM_DEV_DV_HIT_BOTTOM); 1620 if ((softc->flags & PROBE_NO_ANNOUNCE) == 0) { 1621 /* Inform the XPT that a new device has been found */ 1622 done_ccb->ccb_h.func_code = XPT_GDEV_TYPE; 1623 xpt_action(done_ccb); 1624 xpt_async(AC_FOUND_DEVICE, done_ccb->ccb_h.path, 1625 done_ccb); 1626 } 1627 PROBE_SET_ACTION(softc, PROBE_DONE); 1628 xpt_release_ccb(done_ccb); 1629 break; 1630 case PROBE_INQUIRY_BASIC_DV1: 1631 case PROBE_INQUIRY_BASIC_DV2: 1632 { 1633 struct scsi_inquiry_data *nbuf; 1634 struct ccb_scsiio *csio; 1635 1636 if (cam_ccb_status(done_ccb) != CAM_REQ_CMP) { 1637 cam_periph_error(done_ccb, 0, 1638 SF_NO_PRINT | SF_NO_RECOVERY | SF_NO_RETRY, NULL); 1639 } 1640 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1641 /* Don't wedge the queue */ 1642 xpt_release_devq(done_ccb->ccb_h.path, /*count*/1, 1643 /*run_queue*/TRUE); 1644 } 1645 csio = &done_ccb->csio; 1646 nbuf = (struct scsi_inquiry_data *)csio->data_ptr; 1647 if (bcmp(nbuf, &path->device->inq_data, SHORT_INQUIRY_LENGTH)) { 1648 xpt_print(path, 1649 "inquiry data fails comparison at DV%d step\n", 1650 softc->action == PROBE_INQUIRY_BASIC_DV1 ? 1 : 2); 1651 if (proberequestbackoff(periph, path->device)) { 1652 path->device->flags &= ~CAM_DEV_IN_DV; 1653 PROBE_SET_ACTION(softc, PROBE_TUR_FOR_NEGOTIATION); 1654 } else { 1655 /* give up */ 1656 PROBE_SET_ACTION(softc, PROBE_DV_EXIT); 1657 } 1658 free(nbuf, M_CAMXPT); 1659 xpt_release_ccb(done_ccb); 1660 xpt_schedule(periph, priority); 1661 goto out; 1662 } 1663 free(nbuf, M_CAMXPT); 1664 if (softc->action == PROBE_INQUIRY_BASIC_DV1) { 1665 PROBE_SET_ACTION(softc, PROBE_INQUIRY_BASIC_DV2); 1666 xpt_release_ccb(done_ccb); 1667 xpt_schedule(periph, priority); 1668 goto out; 1669 } 1670 if (softc->action == PROBE_INQUIRY_BASIC_DV2) { 1671 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, 1672 ("Leave Domain Validation Successfully\n")); 1673 } 1674 if (path->device->flags & CAM_DEV_UNCONFIGURED) { 1675 path->device->flags &= ~CAM_DEV_UNCONFIGURED; 1676 xpt_acquire_device(path->device); 1677 } 1678 path->device->flags &= 1679 ~(CAM_DEV_IN_DV|CAM_DEV_DV_HIT_BOTTOM); 1680 if ((softc->flags & PROBE_NO_ANNOUNCE) == 0) { 1681 /* Inform the XPT that a new device has been found */ 1682 done_ccb->ccb_h.func_code = XPT_GDEV_TYPE; 1683 xpt_action(done_ccb); 1684 xpt_async(AC_FOUND_DEVICE, done_ccb->ccb_h.path, 1685 done_ccb); 1686 } 1687 PROBE_SET_ACTION(softc, PROBE_DONE); 1688 xpt_release_ccb(done_ccb); 1689 break; 1690 } 1691 default: 1692 panic("probedone: invalid action state 0x%x\n", softc->action); 1693 } 1694 done_ccb = (union ccb *)TAILQ_FIRST(&softc->request_ccbs); 1695 TAILQ_REMOVE(&softc->request_ccbs, &done_ccb->ccb_h, periph_links.tqe); 1696 done_ccb->ccb_h.status = CAM_REQ_CMP; 1697 xpt_done(done_ccb); 1698 if (TAILQ_FIRST(&softc->request_ccbs) == NULL) { 1699 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, ("Probe completed\n")); 1700 /* Drop freeze taken due to CAM_DEV_QFREEZE flag set. */ 1701 cam_release_devq(path, 0, 0, 0, FALSE); 1702 cam_periph_invalidate(periph); 1703 cam_periph_release_locked(periph); 1704 } else { 1705 probeschedule(periph); 1706 goto out; 1707 } 1708 } 1709 1710 static void 1711 probe_purge_old(struct cam_path *path, struct scsi_report_luns_data *new, 1712 probe_flags flags) 1713 { 1714 struct cam_path *tp; 1715 struct scsi_report_luns_data *old; 1716 u_int idx1, idx2, nlun_old, nlun_new; 1717 lun_id_t this_lun; 1718 u_int8_t *ol, *nl; 1719 1720 if (path->target == NULL) { 1721 return; 1722 } 1723 mtx_lock(&path->target->luns_mtx); 1724 old = path->target->luns; 1725 path->target->luns = new; 1726 mtx_unlock(&path->target->luns_mtx); 1727 if (old == NULL) 1728 return; 1729 nlun_old = scsi_4btoul(old->length) / 8; 1730 nlun_new = scsi_4btoul(new->length) / 8; 1731 1732 /* 1733 * We are not going to assume sorted lists. Deal. 1734 */ 1735 for (idx1 = 0; idx1 < nlun_old; idx1++) { 1736 ol = old->luns[idx1].lundata; 1737 for (idx2 = 0; idx2 < nlun_new; idx2++) { 1738 nl = new->luns[idx2].lundata; 1739 if (memcmp(nl, ol, 8) == 0) { 1740 break; 1741 } 1742 } 1743 if (idx2 < nlun_new) { 1744 continue; 1745 } 1746 /* 1747 * An 'old' item not in the 'new' list. 1748 * Nuke it. Except that if it is lun 0, 1749 * that would be what the probe state 1750 * machine is currently working on, 1751 * so we won't do that. 1752 */ 1753 CAM_GET_LUN(old, idx1, this_lun); 1754 if (this_lun == 0) { 1755 continue; 1756 } 1757 1758 /* 1759 * We also cannot nuke it if it is 1760 * not in a lun format we understand 1761 * and replace the LUN with a "simple" LUN 1762 * if that is all the HBA supports. 1763 */ 1764 if (!(flags & PROBE_EXTLUN)) { 1765 if (!CAM_CAN_GET_SIMPLE_LUN(old, idx1)) 1766 continue; 1767 CAM_GET_SIMPLE_LUN(old, idx1, this_lun); 1768 } 1769 if (!CAM_LUN_ONLY_32BITS(old, idx1)) 1770 continue; 1771 1772 if (xpt_create_path(&tp, NULL, xpt_path_path_id(path), 1773 xpt_path_target_id(path), this_lun) == CAM_REQ_CMP) { 1774 xpt_async(AC_LOST_DEVICE, tp, NULL); 1775 xpt_free_path(tp); 1776 } 1777 } 1778 free(old, M_CAMXPT); 1779 } 1780 1781 static void 1782 probecleanup(struct cam_periph *periph) 1783 { 1784 free(periph->softc, M_CAMXPT); 1785 } 1786 1787 static void 1788 scsi_find_quirk(struct cam_ed *device) 1789 { 1790 struct scsi_quirk_entry *quirk; 1791 caddr_t match; 1792 1793 match = cam_quirkmatch((caddr_t)&device->inq_data, 1794 (caddr_t)scsi_quirk_table, 1795 sizeof(scsi_quirk_table) / 1796 sizeof(*scsi_quirk_table), 1797 sizeof(*scsi_quirk_table), scsi_inquiry_match); 1798 1799 if (match == NULL) 1800 panic("xpt_find_quirk: device didn't match wildcard entry!!"); 1801 1802 quirk = (struct scsi_quirk_entry *)match; 1803 device->quirk = quirk; 1804 device->mintags = quirk->mintags; 1805 device->maxtags = quirk->maxtags; 1806 } 1807 1808 static int 1809 sysctl_cam_search_luns(SYSCTL_HANDLER_ARGS) 1810 { 1811 int error, val; 1812 1813 val = cam_srch_hi; 1814 error = sysctl_handle_int(oidp, &val, 0, req); 1815 if (error != 0 || req->newptr == NULL) 1816 return (error); 1817 if (val == 0 || val == 1) { 1818 cam_srch_hi = val; 1819 return (0); 1820 } else { 1821 return (EINVAL); 1822 } 1823 } 1824 1825 typedef struct { 1826 union ccb *request_ccb; 1827 struct ccb_pathinq *cpi; 1828 int counter; 1829 int lunindex[0]; 1830 } scsi_scan_bus_info; 1831 1832 /* 1833 * To start a scan, request_ccb is an XPT_SCAN_BUS ccb. 1834 * As the scan progresses, scsi_scan_bus is used as the 1835 * callback on completion function. 1836 */ 1837 static void 1838 scsi_scan_bus(struct cam_periph *periph, union ccb *request_ccb) 1839 { 1840 struct mtx *mtx; 1841 1842 CAM_DEBUG(request_ccb->ccb_h.path, CAM_DEBUG_TRACE, 1843 ("scsi_scan_bus\n")); 1844 switch (request_ccb->ccb_h.func_code) { 1845 case XPT_SCAN_BUS: 1846 case XPT_SCAN_TGT: 1847 { 1848 scsi_scan_bus_info *scan_info; 1849 union ccb *work_ccb, *reset_ccb; 1850 struct cam_path *path; 1851 u_int i; 1852 u_int low_target, max_target; 1853 u_int initiator_id; 1854 1855 /* Find out the characteristics of the bus */ 1856 work_ccb = xpt_alloc_ccb_nowait(); 1857 if (work_ccb == NULL) { 1858 request_ccb->ccb_h.status = CAM_RESRC_UNAVAIL; 1859 xpt_done(request_ccb); 1860 return; 1861 } 1862 xpt_setup_ccb(&work_ccb->ccb_h, request_ccb->ccb_h.path, 1863 request_ccb->ccb_h.pinfo.priority); 1864 work_ccb->ccb_h.func_code = XPT_PATH_INQ; 1865 xpt_action(work_ccb); 1866 if (work_ccb->ccb_h.status != CAM_REQ_CMP) { 1867 request_ccb->ccb_h.status = work_ccb->ccb_h.status; 1868 xpt_free_ccb(work_ccb); 1869 xpt_done(request_ccb); 1870 return; 1871 } 1872 1873 if ((work_ccb->cpi.hba_misc & PIM_NOINITIATOR) != 0) { 1874 /* 1875 * Can't scan the bus on an adapter that 1876 * cannot perform the initiator role. 1877 */ 1878 request_ccb->ccb_h.status = CAM_REQ_CMP; 1879 xpt_free_ccb(work_ccb); 1880 xpt_done(request_ccb); 1881 return; 1882 } 1883 1884 /* We may need to reset bus first, if we haven't done it yet. */ 1885 if ((work_ccb->cpi.hba_inquiry & 1886 (PI_WIDE_32|PI_WIDE_16|PI_SDTR_ABLE)) && 1887 !(work_ccb->cpi.hba_misc & PIM_NOBUSRESET) && 1888 !timevalisset(&request_ccb->ccb_h.path->bus->last_reset) && 1889 (reset_ccb = xpt_alloc_ccb_nowait()) != NULL) { 1890 xpt_setup_ccb(&reset_ccb->ccb_h, request_ccb->ccb_h.path, 1891 CAM_PRIORITY_NONE); 1892 reset_ccb->ccb_h.func_code = XPT_RESET_BUS; 1893 xpt_action(reset_ccb); 1894 if (reset_ccb->ccb_h.status != CAM_REQ_CMP) { 1895 request_ccb->ccb_h.status = reset_ccb->ccb_h.status; 1896 xpt_free_ccb(reset_ccb); 1897 xpt_free_ccb(work_ccb); 1898 xpt_done(request_ccb); 1899 return; 1900 } 1901 xpt_free_ccb(reset_ccb); 1902 } 1903 1904 /* Save some state for use while we probe for devices */ 1905 scan_info = (scsi_scan_bus_info *) malloc(sizeof(scsi_scan_bus_info) + 1906 (work_ccb->cpi.max_target * sizeof (u_int)), M_CAMXPT, M_ZERO|M_NOWAIT); 1907 if (scan_info == NULL) { 1908 request_ccb->ccb_h.status = CAM_RESRC_UNAVAIL; 1909 xpt_free_ccb(work_ccb); 1910 xpt_done(request_ccb); 1911 return; 1912 } 1913 CAM_DEBUG(request_ccb->ccb_h.path, CAM_DEBUG_TRACE, 1914 ("SCAN start for %p\n", scan_info)); 1915 scan_info->request_ccb = request_ccb; 1916 scan_info->cpi = &work_ccb->cpi; 1917 1918 /* Cache on our stack so we can work asynchronously */ 1919 max_target = scan_info->cpi->max_target; 1920 low_target = 0; 1921 initiator_id = scan_info->cpi->initiator_id; 1922 1923 1924 /* 1925 * We can scan all targets in parallel, or do it sequentially. 1926 */ 1927 1928 if (request_ccb->ccb_h.func_code == XPT_SCAN_TGT) { 1929 max_target = low_target = request_ccb->ccb_h.target_id; 1930 scan_info->counter = 0; 1931 } else if (scan_info->cpi->hba_misc & PIM_SEQSCAN) { 1932 max_target = 0; 1933 scan_info->counter = 0; 1934 } else { 1935 scan_info->counter = scan_info->cpi->max_target + 1; 1936 if (scan_info->cpi->initiator_id < scan_info->counter) { 1937 scan_info->counter--; 1938 } 1939 } 1940 mtx = xpt_path_mtx(scan_info->request_ccb->ccb_h.path); 1941 mtx_unlock(mtx); 1942 1943 for (i = low_target; i <= max_target; i++) { 1944 cam_status status; 1945 if (i == initiator_id) 1946 continue; 1947 1948 status = xpt_create_path(&path, NULL, 1949 request_ccb->ccb_h.path_id, 1950 i, 0); 1951 if (status != CAM_REQ_CMP) { 1952 printf("scsi_scan_bus: xpt_create_path failed" 1953 " with status %#x, bus scan halted\n", 1954 status); 1955 free(scan_info, M_CAMXPT); 1956 request_ccb->ccb_h.status = status; 1957 xpt_free_ccb(work_ccb); 1958 xpt_done(request_ccb); 1959 break; 1960 } 1961 work_ccb = xpt_alloc_ccb_nowait(); 1962 if (work_ccb == NULL) { 1963 xpt_free_ccb((union ccb *)scan_info->cpi); 1964 free(scan_info, M_CAMXPT); 1965 xpt_free_path(path); 1966 request_ccb->ccb_h.status = CAM_RESRC_UNAVAIL; 1967 xpt_done(request_ccb); 1968 break; 1969 } 1970 xpt_setup_ccb(&work_ccb->ccb_h, path, 1971 request_ccb->ccb_h.pinfo.priority); 1972 work_ccb->ccb_h.func_code = XPT_SCAN_LUN; 1973 work_ccb->ccb_h.cbfcnp = scsi_scan_bus; 1974 work_ccb->ccb_h.flags |= CAM_UNLOCKED; 1975 work_ccb->ccb_h.ppriv_ptr0 = scan_info; 1976 work_ccb->crcn.flags = request_ccb->crcn.flags; 1977 xpt_action(work_ccb); 1978 } 1979 1980 mtx_lock(mtx); 1981 break; 1982 } 1983 case XPT_SCAN_LUN: 1984 { 1985 cam_status status; 1986 struct cam_path *path, *oldpath; 1987 scsi_scan_bus_info *scan_info; 1988 struct cam_et *target; 1989 struct cam_ed *device; 1990 int next_target; 1991 path_id_t path_id; 1992 target_id_t target_id; 1993 lun_id_t lun_id; 1994 1995 oldpath = request_ccb->ccb_h.path; 1996 1997 status = cam_ccb_status(request_ccb); 1998 /* Reuse the same CCB to query if a device was really found */ 1999 scan_info = (scsi_scan_bus_info *)request_ccb->ccb_h.ppriv_ptr0; 2000 xpt_setup_ccb(&request_ccb->ccb_h, request_ccb->ccb_h.path, 2001 request_ccb->ccb_h.pinfo.priority); 2002 request_ccb->ccb_h.func_code = XPT_GDEV_TYPE; 2003 2004 2005 path_id = request_ccb->ccb_h.path_id; 2006 target_id = request_ccb->ccb_h.target_id; 2007 lun_id = request_ccb->ccb_h.target_lun; 2008 xpt_action(request_ccb); 2009 2010 target = request_ccb->ccb_h.path->target; 2011 next_target = 1; 2012 2013 mtx = xpt_path_mtx(scan_info->request_ccb->ccb_h.path); 2014 mtx_lock(mtx); 2015 mtx_lock(&target->luns_mtx); 2016 if (target->luns) { 2017 lun_id_t first; 2018 u_int nluns = scsi_4btoul(target->luns->length) / 8; 2019 2020 /* 2021 * Make sure we skip over lun 0 if it's the first member 2022 * of the list as we've actually just finished probing 2023 * it. 2024 */ 2025 CAM_GET_LUN(target->luns, 0, first); 2026 if (first == 0 && scan_info->lunindex[target_id] == 0) { 2027 scan_info->lunindex[target_id]++; 2028 } 2029 2030 /* 2031 * Skip any LUNs that the HBA can't deal with. 2032 */ 2033 while (scan_info->lunindex[target_id] < nluns) { 2034 if (scan_info->cpi->hba_misc & PIM_EXTLUNS) { 2035 CAM_GET_LUN(target->luns, 2036 scan_info->lunindex[target_id], 2037 lun_id); 2038 break; 2039 } 2040 2041 /* XXX print warning? */ 2042 if (!CAM_LUN_ONLY_32BITS(target->luns, 2043 scan_info->lunindex[target_id])) 2044 continue; 2045 if (CAM_CAN_GET_SIMPLE_LUN(target->luns, 2046 scan_info->lunindex[target_id])) { 2047 CAM_GET_SIMPLE_LUN(target->luns, 2048 scan_info->lunindex[target_id], 2049 lun_id); 2050 break; 2051 } 2052 2053 scan_info->lunindex[target_id]++; 2054 } 2055 2056 if (scan_info->lunindex[target_id] < nluns) { 2057 mtx_unlock(&target->luns_mtx); 2058 next_target = 0; 2059 CAM_DEBUG(request_ccb->ccb_h.path, 2060 CAM_DEBUG_PROBE, 2061 ("next lun to try at index %u is %jx\n", 2062 scan_info->lunindex[target_id], 2063 (uintmax_t)lun_id)); 2064 scan_info->lunindex[target_id]++; 2065 } else { 2066 mtx_unlock(&target->luns_mtx); 2067 /* 2068 * We're done with scanning all luns. 2069 * 2070 * Nuke the bogus device for lun 0 if lun 0 2071 * wasn't on the list. 2072 */ 2073 if (first != 0) { 2074 TAILQ_FOREACH(device, 2075 &target->ed_entries, links) { 2076 if (device->lun_id == 0) { 2077 break; 2078 } 2079 } 2080 if (device) { 2081 xpt_release_device(device); 2082 } 2083 } 2084 } 2085 } else { 2086 mtx_unlock(&target->luns_mtx); 2087 if (request_ccb->ccb_h.status != CAM_REQ_CMP) { 2088 int phl; 2089 2090 /* 2091 * If we already probed lun 0 successfully, or 2092 * we have additional configured luns on this 2093 * target that might have "gone away", go onto 2094 * the next lun. 2095 */ 2096 /* 2097 * We may touch devices that we don't 2098 * hold references too, so ensure they 2099 * don't disappear out from under us. 2100 * The target above is referenced by the 2101 * path in the request ccb. 2102 */ 2103 phl = 0; 2104 device = TAILQ_FIRST(&target->ed_entries); 2105 if (device != NULL) { 2106 phl = CAN_SRCH_HI_SPARSE(device); 2107 if (device->lun_id == 0) 2108 device = TAILQ_NEXT(device, links); 2109 } 2110 if ((lun_id != 0) || (device != NULL)) { 2111 if (lun_id < (CAM_SCSI2_MAXLUN-1) || phl) { 2112 lun_id++; 2113 next_target = 0; 2114 } 2115 } 2116 if (lun_id == request_ccb->ccb_h.target_lun 2117 || lun_id > scan_info->cpi->max_lun) 2118 next_target = 1; 2119 } else { 2120 2121 device = request_ccb->ccb_h.path->device; 2122 2123 if ((SCSI_QUIRK(device)->quirks & 2124 CAM_QUIRK_NOLUNS) == 0) { 2125 /* Try the next lun */ 2126 if (lun_id < (CAM_SCSI2_MAXLUN-1) 2127 || CAN_SRCH_HI_DENSE(device)) { 2128 lun_id++; 2129 next_target = 0; 2130 } 2131 } 2132 if (lun_id == request_ccb->ccb_h.target_lun 2133 || lun_id > scan_info->cpi->max_lun) 2134 next_target = 1; 2135 } 2136 } 2137 2138 /* 2139 * Check to see if we scan any further luns. 2140 */ 2141 if (next_target) { 2142 int done; 2143 2144 /* 2145 * Free the current request path- we're done with it. 2146 */ 2147 xpt_free_path(oldpath); 2148 hop_again: 2149 done = 0; 2150 if (scan_info->request_ccb->ccb_h.func_code == XPT_SCAN_TGT) { 2151 done = 1; 2152 } else if (scan_info->cpi->hba_misc & PIM_SEQSCAN) { 2153 scan_info->counter++; 2154 if (scan_info->counter == 2155 scan_info->cpi->initiator_id) { 2156 scan_info->counter++; 2157 } 2158 if (scan_info->counter >= 2159 scan_info->cpi->max_target+1) { 2160 done = 1; 2161 } 2162 } else { 2163 scan_info->counter--; 2164 if (scan_info->counter == 0) { 2165 done = 1; 2166 } 2167 } 2168 if (done) { 2169 mtx_unlock(mtx); 2170 xpt_free_ccb(request_ccb); 2171 xpt_free_ccb((union ccb *)scan_info->cpi); 2172 request_ccb = scan_info->request_ccb; 2173 CAM_DEBUG(request_ccb->ccb_h.path, 2174 CAM_DEBUG_TRACE, 2175 ("SCAN done for %p\n", scan_info)); 2176 free(scan_info, M_CAMXPT); 2177 request_ccb->ccb_h.status = CAM_REQ_CMP; 2178 xpt_done(request_ccb); 2179 break; 2180 } 2181 2182 if ((scan_info->cpi->hba_misc & PIM_SEQSCAN) == 0) { 2183 mtx_unlock(mtx); 2184 xpt_free_ccb(request_ccb); 2185 break; 2186 } 2187 status = xpt_create_path(&path, NULL, 2188 scan_info->request_ccb->ccb_h.path_id, 2189 scan_info->counter, 0); 2190 if (status != CAM_REQ_CMP) { 2191 mtx_unlock(mtx); 2192 printf("scsi_scan_bus: xpt_create_path failed" 2193 " with status %#x, bus scan halted\n", 2194 status); 2195 xpt_free_ccb(request_ccb); 2196 xpt_free_ccb((union ccb *)scan_info->cpi); 2197 request_ccb = scan_info->request_ccb; 2198 free(scan_info, M_CAMXPT); 2199 request_ccb->ccb_h.status = status; 2200 xpt_done(request_ccb); 2201 break; 2202 } 2203 xpt_setup_ccb(&request_ccb->ccb_h, path, 2204 request_ccb->ccb_h.pinfo.priority); 2205 request_ccb->ccb_h.func_code = XPT_SCAN_LUN; 2206 request_ccb->ccb_h.cbfcnp = scsi_scan_bus; 2207 request_ccb->ccb_h.flags |= CAM_UNLOCKED; 2208 request_ccb->ccb_h.ppriv_ptr0 = scan_info; 2209 request_ccb->crcn.flags = 2210 scan_info->request_ccb->crcn.flags; 2211 } else { 2212 status = xpt_create_path(&path, NULL, 2213 path_id, target_id, lun_id); 2214 /* 2215 * Free the old request path- we're done with it. We 2216 * do this *after* creating the new path so that 2217 * we don't remove a target that has our lun list 2218 * in the case that lun 0 is not present. 2219 */ 2220 xpt_free_path(oldpath); 2221 if (status != CAM_REQ_CMP) { 2222 printf("scsi_scan_bus: xpt_create_path failed " 2223 "with status %#x, halting LUN scan\n", 2224 status); 2225 goto hop_again; 2226 } 2227 xpt_setup_ccb(&request_ccb->ccb_h, path, 2228 request_ccb->ccb_h.pinfo.priority); 2229 request_ccb->ccb_h.func_code = XPT_SCAN_LUN; 2230 request_ccb->ccb_h.cbfcnp = scsi_scan_bus; 2231 request_ccb->ccb_h.flags |= CAM_UNLOCKED; 2232 request_ccb->ccb_h.ppriv_ptr0 = scan_info; 2233 request_ccb->crcn.flags = 2234 scan_info->request_ccb->crcn.flags; 2235 } 2236 mtx_unlock(mtx); 2237 xpt_action(request_ccb); 2238 break; 2239 } 2240 default: 2241 break; 2242 } 2243 } 2244 2245 static void 2246 scsi_scan_lun(struct cam_periph *periph, struct cam_path *path, 2247 cam_flags flags, union ccb *request_ccb) 2248 { 2249 struct ccb_pathinq cpi; 2250 cam_status status; 2251 struct cam_path *new_path; 2252 struct cam_periph *old_periph; 2253 int lock; 2254 2255 CAM_DEBUG(path, CAM_DEBUG_TRACE, ("scsi_scan_lun\n")); 2256 2257 xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NONE); 2258 cpi.ccb_h.func_code = XPT_PATH_INQ; 2259 xpt_action((union ccb *)&cpi); 2260 2261 if (cpi.ccb_h.status != CAM_REQ_CMP) { 2262 if (request_ccb != NULL) { 2263 request_ccb->ccb_h.status = cpi.ccb_h.status; 2264 xpt_done(request_ccb); 2265 } 2266 return; 2267 } 2268 2269 if ((cpi.hba_misc & PIM_NOINITIATOR) != 0) { 2270 /* 2271 * Can't scan the bus on an adapter that 2272 * cannot perform the initiator role. 2273 */ 2274 if (request_ccb != NULL) { 2275 request_ccb->ccb_h.status = CAM_REQ_CMP; 2276 xpt_done(request_ccb); 2277 } 2278 return; 2279 } 2280 2281 if (request_ccb == NULL) { 2282 request_ccb = xpt_alloc_ccb_nowait(); 2283 if (request_ccb == NULL) { 2284 xpt_print(path, "scsi_scan_lun: can't allocate CCB, " 2285 "can't continue\n"); 2286 return; 2287 } 2288 status = xpt_create_path(&new_path, NULL, 2289 path->bus->path_id, 2290 path->target->target_id, 2291 path->device->lun_id); 2292 if (status != CAM_REQ_CMP) { 2293 xpt_print(path, "scsi_scan_lun: can't create path, " 2294 "can't continue\n"); 2295 xpt_free_ccb(request_ccb); 2296 return; 2297 } 2298 xpt_setup_ccb(&request_ccb->ccb_h, new_path, CAM_PRIORITY_XPT); 2299 request_ccb->ccb_h.cbfcnp = xptscandone; 2300 request_ccb->ccb_h.func_code = XPT_SCAN_LUN; 2301 request_ccb->ccb_h.flags |= CAM_UNLOCKED; 2302 request_ccb->crcn.flags = flags; 2303 } 2304 2305 lock = (xpt_path_owned(path) == 0); 2306 if (lock) 2307 xpt_path_lock(path); 2308 if ((old_periph = cam_periph_find(path, "probe")) != NULL) { 2309 if ((old_periph->flags & CAM_PERIPH_INVALID) == 0) { 2310 probe_softc *softc; 2311 2312 softc = (probe_softc *)old_periph->softc; 2313 TAILQ_INSERT_TAIL(&softc->request_ccbs, 2314 &request_ccb->ccb_h, periph_links.tqe); 2315 } else { 2316 request_ccb->ccb_h.status = CAM_REQ_CMP_ERR; 2317 xpt_done(request_ccb); 2318 } 2319 } else { 2320 status = cam_periph_alloc(proberegister, NULL, probecleanup, 2321 probestart, "probe", 2322 CAM_PERIPH_BIO, 2323 request_ccb->ccb_h.path, NULL, 0, 2324 request_ccb); 2325 2326 if (status != CAM_REQ_CMP) { 2327 xpt_print(path, "scsi_scan_lun: cam_alloc_periph " 2328 "returned an error, can't continue probe\n"); 2329 request_ccb->ccb_h.status = status; 2330 xpt_done(request_ccb); 2331 } 2332 } 2333 if (lock) 2334 xpt_path_unlock(path); 2335 } 2336 2337 static void 2338 xptscandone(struct cam_periph *periph, union ccb *done_ccb) 2339 { 2340 2341 xpt_free_path(done_ccb->ccb_h.path); 2342 xpt_free_ccb(done_ccb); 2343 } 2344 2345 static struct cam_ed * 2346 scsi_alloc_device(struct cam_eb *bus, struct cam_et *target, lun_id_t lun_id) 2347 { 2348 struct scsi_quirk_entry *quirk; 2349 struct cam_ed *device; 2350 2351 device = xpt_alloc_device(bus, target, lun_id); 2352 if (device == NULL) 2353 return (NULL); 2354 2355 /* 2356 * Take the default quirk entry until we have inquiry 2357 * data and can determine a better quirk to use. 2358 */ 2359 quirk = &scsi_quirk_table[scsi_quirk_table_size - 1]; 2360 device->quirk = (void *)quirk; 2361 device->mintags = quirk->mintags; 2362 device->maxtags = quirk->maxtags; 2363 bzero(&device->inq_data, sizeof(device->inq_data)); 2364 device->inq_flags = 0; 2365 device->queue_flags = 0; 2366 device->serial_num = NULL; 2367 device->serial_num_len = 0; 2368 device->device_id = NULL; 2369 device->device_id_len = 0; 2370 device->supported_vpds = NULL; 2371 device->supported_vpds_len = 0; 2372 return (device); 2373 } 2374 2375 static void 2376 scsi_devise_transport(struct cam_path *path) 2377 { 2378 struct ccb_pathinq cpi; 2379 struct ccb_trans_settings cts; 2380 struct scsi_inquiry_data *inq_buf; 2381 2382 /* Get transport information from the SIM */ 2383 xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NONE); 2384 cpi.ccb_h.func_code = XPT_PATH_INQ; 2385 xpt_action((union ccb *)&cpi); 2386 2387 inq_buf = NULL; 2388 if ((path->device->flags & CAM_DEV_INQUIRY_DATA_VALID) != 0) 2389 inq_buf = &path->device->inq_data; 2390 path->device->protocol = PROTO_SCSI; 2391 path->device->protocol_version = 2392 inq_buf != NULL ? SID_ANSI_REV(inq_buf) : cpi.protocol_version; 2393 path->device->transport = cpi.transport; 2394 path->device->transport_version = cpi.transport_version; 2395 2396 /* 2397 * Any device not using SPI3 features should 2398 * be considered SPI2 or lower. 2399 */ 2400 if (inq_buf != NULL) { 2401 if (path->device->transport == XPORT_SPI 2402 && (inq_buf->spi3data & SID_SPI_MASK) == 0 2403 && path->device->transport_version > 2) 2404 path->device->transport_version = 2; 2405 } else { 2406 struct cam_ed* otherdev; 2407 2408 for (otherdev = TAILQ_FIRST(&path->target->ed_entries); 2409 otherdev != NULL; 2410 otherdev = TAILQ_NEXT(otherdev, links)) { 2411 if (otherdev != path->device) 2412 break; 2413 } 2414 2415 if (otherdev != NULL) { 2416 /* 2417 * Initially assume the same versioning as 2418 * prior luns for this target. 2419 */ 2420 path->device->protocol_version = 2421 otherdev->protocol_version; 2422 path->device->transport_version = 2423 otherdev->transport_version; 2424 } else { 2425 /* Until we know better, opt for safty */ 2426 path->device->protocol_version = 2; 2427 if (path->device->transport == XPORT_SPI) 2428 path->device->transport_version = 2; 2429 else 2430 path->device->transport_version = 0; 2431 } 2432 } 2433 2434 /* 2435 * XXX 2436 * For a device compliant with SPC-2 we should be able 2437 * to determine the transport version supported by 2438 * scrutinizing the version descriptors in the 2439 * inquiry buffer. 2440 */ 2441 2442 /* Tell the controller what we think */ 2443 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 2444 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 2445 cts.type = CTS_TYPE_CURRENT_SETTINGS; 2446 cts.transport = path->device->transport; 2447 cts.transport_version = path->device->transport_version; 2448 cts.protocol = path->device->protocol; 2449 cts.protocol_version = path->device->protocol_version; 2450 cts.proto_specific.valid = 0; 2451 cts.xport_specific.valid = 0; 2452 xpt_action((union ccb *)&cts); 2453 } 2454 2455 static void 2456 scsi_dev_advinfo(union ccb *start_ccb) 2457 { 2458 struct cam_ed *device; 2459 struct ccb_dev_advinfo *cdai; 2460 off_t amt; 2461 2462 start_ccb->ccb_h.status = CAM_REQ_INVALID; 2463 device = start_ccb->ccb_h.path->device; 2464 cdai = &start_ccb->cdai; 2465 switch(cdai->buftype) { 2466 case CDAI_TYPE_SCSI_DEVID: 2467 if (cdai->flags & CDAI_FLAG_STORE) 2468 return; 2469 cdai->provsiz = device->device_id_len; 2470 if (device->device_id_len == 0) 2471 break; 2472 amt = device->device_id_len; 2473 if (cdai->provsiz > cdai->bufsiz) 2474 amt = cdai->bufsiz; 2475 memcpy(cdai->buf, device->device_id, amt); 2476 break; 2477 case CDAI_TYPE_SERIAL_NUM: 2478 if (cdai->flags & CDAI_FLAG_STORE) 2479 return; 2480 cdai->provsiz = device->serial_num_len; 2481 if (device->serial_num_len == 0) 2482 break; 2483 amt = device->serial_num_len; 2484 if (cdai->provsiz > cdai->bufsiz) 2485 amt = cdai->bufsiz; 2486 memcpy(cdai->buf, device->serial_num, amt); 2487 break; 2488 case CDAI_TYPE_PHYS_PATH: 2489 if (cdai->flags & CDAI_FLAG_STORE) { 2490 if (device->physpath != NULL) { 2491 free(device->physpath, M_CAMXPT); 2492 device->physpath = NULL; 2493 } 2494 device->physpath_len = cdai->bufsiz; 2495 /* Clear existing buffer if zero length */ 2496 if (cdai->bufsiz == 0) 2497 break; 2498 device->physpath = malloc(cdai->bufsiz, M_CAMXPT, M_NOWAIT); 2499 if (device->physpath == NULL) { 2500 start_ccb->ccb_h.status = CAM_REQ_ABORTED; 2501 return; 2502 } 2503 memcpy(device->physpath, cdai->buf, cdai->bufsiz); 2504 } else { 2505 cdai->provsiz = device->physpath_len; 2506 if (device->physpath_len == 0) 2507 break; 2508 amt = device->physpath_len; 2509 if (cdai->provsiz > cdai->bufsiz) 2510 amt = cdai->bufsiz; 2511 memcpy(cdai->buf, device->physpath, amt); 2512 } 2513 break; 2514 case CDAI_TYPE_RCAPLONG: 2515 if (cdai->flags & CDAI_FLAG_STORE) { 2516 if (device->rcap_buf != NULL) { 2517 free(device->rcap_buf, M_CAMXPT); 2518 device->rcap_buf = NULL; 2519 } 2520 2521 device->rcap_len = cdai->bufsiz; 2522 /* Clear existing buffer if zero length */ 2523 if (cdai->bufsiz == 0) 2524 break; 2525 2526 device->rcap_buf = malloc(cdai->bufsiz, M_CAMXPT, 2527 M_NOWAIT); 2528 if (device->rcap_buf == NULL) { 2529 start_ccb->ccb_h.status = CAM_REQ_ABORTED; 2530 return; 2531 } 2532 2533 memcpy(device->rcap_buf, cdai->buf, cdai->bufsiz); 2534 } else { 2535 cdai->provsiz = device->rcap_len; 2536 if (device->rcap_len == 0) 2537 break; 2538 amt = device->rcap_len; 2539 if (cdai->provsiz > cdai->bufsiz) 2540 amt = cdai->bufsiz; 2541 memcpy(cdai->buf, device->rcap_buf, amt); 2542 } 2543 break; 2544 default: 2545 return; 2546 } 2547 start_ccb->ccb_h.status = CAM_REQ_CMP; 2548 2549 if (cdai->flags & CDAI_FLAG_STORE) { 2550 xpt_async(AC_ADVINFO_CHANGED, start_ccb->ccb_h.path, 2551 (void *)(uintptr_t)cdai->buftype); 2552 } 2553 } 2554 2555 static void 2556 scsi_action(union ccb *start_ccb) 2557 { 2558 2559 switch (start_ccb->ccb_h.func_code) { 2560 case XPT_SET_TRAN_SETTINGS: 2561 { 2562 scsi_set_transfer_settings(&start_ccb->cts, 2563 start_ccb->ccb_h.path, 2564 /*async_update*/FALSE); 2565 break; 2566 } 2567 case XPT_SCAN_BUS: 2568 case XPT_SCAN_TGT: 2569 scsi_scan_bus(start_ccb->ccb_h.path->periph, start_ccb); 2570 break; 2571 case XPT_SCAN_LUN: 2572 scsi_scan_lun(start_ccb->ccb_h.path->periph, 2573 start_ccb->ccb_h.path, start_ccb->crcn.flags, 2574 start_ccb); 2575 break; 2576 case XPT_DEV_ADVINFO: 2577 { 2578 scsi_dev_advinfo(start_ccb); 2579 break; 2580 } 2581 default: 2582 xpt_action_default(start_ccb); 2583 break; 2584 } 2585 } 2586 2587 static void 2588 scsi_set_transfer_settings(struct ccb_trans_settings *cts, struct cam_path *path, 2589 int async_update) 2590 { 2591 struct ccb_pathinq cpi; 2592 struct ccb_trans_settings cur_cts; 2593 struct ccb_trans_settings_scsi *scsi; 2594 struct ccb_trans_settings_scsi *cur_scsi; 2595 struct scsi_inquiry_data *inq_data; 2596 struct cam_ed *device; 2597 2598 if (path == NULL || (device = path->device) == NULL) { 2599 cts->ccb_h.status = CAM_PATH_INVALID; 2600 xpt_done((union ccb *)cts); 2601 return; 2602 } 2603 2604 if (cts->protocol == PROTO_UNKNOWN 2605 || cts->protocol == PROTO_UNSPECIFIED) { 2606 cts->protocol = device->protocol; 2607 cts->protocol_version = device->protocol_version; 2608 } 2609 2610 if (cts->protocol_version == PROTO_VERSION_UNKNOWN 2611 || cts->protocol_version == PROTO_VERSION_UNSPECIFIED) 2612 cts->protocol_version = device->protocol_version; 2613 2614 if (cts->protocol != device->protocol) { 2615 xpt_print(path, "Uninitialized Protocol %x:%x?\n", 2616 cts->protocol, device->protocol); 2617 cts->protocol = device->protocol; 2618 } 2619 2620 if (cts->protocol_version > device->protocol_version) { 2621 if (bootverbose) { 2622 xpt_print(path, "Down reving Protocol " 2623 "Version from %d to %d?\n", cts->protocol_version, 2624 device->protocol_version); 2625 } 2626 cts->protocol_version = device->protocol_version; 2627 } 2628 2629 if (cts->transport == XPORT_UNKNOWN 2630 || cts->transport == XPORT_UNSPECIFIED) { 2631 cts->transport = device->transport; 2632 cts->transport_version = device->transport_version; 2633 } 2634 2635 if (cts->transport_version == XPORT_VERSION_UNKNOWN 2636 || cts->transport_version == XPORT_VERSION_UNSPECIFIED) 2637 cts->transport_version = device->transport_version; 2638 2639 if (cts->transport != device->transport) { 2640 xpt_print(path, "Uninitialized Transport %x:%x?\n", 2641 cts->transport, device->transport); 2642 cts->transport = device->transport; 2643 } 2644 2645 if (cts->transport_version > device->transport_version) { 2646 if (bootverbose) { 2647 xpt_print(path, "Down reving Transport " 2648 "Version from %d to %d?\n", cts->transport_version, 2649 device->transport_version); 2650 } 2651 cts->transport_version = device->transport_version; 2652 } 2653 2654 /* 2655 * Nothing more of interest to do unless 2656 * this is a device connected via the 2657 * SCSI protocol. 2658 */ 2659 if (cts->protocol != PROTO_SCSI) { 2660 if (async_update == FALSE) 2661 xpt_action_default((union ccb *)cts); 2662 return; 2663 } 2664 2665 inq_data = &device->inq_data; 2666 scsi = &cts->proto_specific.scsi; 2667 xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NONE); 2668 cpi.ccb_h.func_code = XPT_PATH_INQ; 2669 xpt_action((union ccb *)&cpi); 2670 2671 /* SCSI specific sanity checking */ 2672 if ((cpi.hba_inquiry & PI_TAG_ABLE) == 0 2673 || (INQ_DATA_TQ_ENABLED(inq_data)) == 0 2674 || (device->queue_flags & SCP_QUEUE_DQUE) != 0 2675 || (device->mintags == 0)) { 2676 /* 2677 * Can't tag on hardware that doesn't support tags, 2678 * doesn't have it enabled, or has broken tag support. 2679 */ 2680 scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB; 2681 } 2682 2683 if (async_update == FALSE) { 2684 /* 2685 * Perform sanity checking against what the 2686 * controller and device can do. 2687 */ 2688 xpt_setup_ccb(&cur_cts.ccb_h, path, CAM_PRIORITY_NONE); 2689 cur_cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 2690 cur_cts.type = cts->type; 2691 xpt_action((union ccb *)&cur_cts); 2692 if (cam_ccb_status((union ccb *)&cur_cts) != CAM_REQ_CMP) { 2693 return; 2694 } 2695 cur_scsi = &cur_cts.proto_specific.scsi; 2696 if ((scsi->valid & CTS_SCSI_VALID_TQ) == 0) { 2697 scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB; 2698 scsi->flags |= cur_scsi->flags & CTS_SCSI_FLAGS_TAG_ENB; 2699 } 2700 if ((cur_scsi->valid & CTS_SCSI_VALID_TQ) == 0) 2701 scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB; 2702 } 2703 2704 /* SPI specific sanity checking */ 2705 if (cts->transport == XPORT_SPI && async_update == FALSE) { 2706 u_int spi3caps; 2707 struct ccb_trans_settings_spi *spi; 2708 struct ccb_trans_settings_spi *cur_spi; 2709 2710 spi = &cts->xport_specific.spi; 2711 2712 cur_spi = &cur_cts.xport_specific.spi; 2713 2714 /* Fill in any gaps in what the user gave us */ 2715 if ((spi->valid & CTS_SPI_VALID_SYNC_RATE) == 0) 2716 spi->sync_period = cur_spi->sync_period; 2717 if ((cur_spi->valid & CTS_SPI_VALID_SYNC_RATE) == 0) 2718 spi->sync_period = 0; 2719 if ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) == 0) 2720 spi->sync_offset = cur_spi->sync_offset; 2721 if ((cur_spi->valid & CTS_SPI_VALID_SYNC_OFFSET) == 0) 2722 spi->sync_offset = 0; 2723 if ((spi->valid & CTS_SPI_VALID_PPR_OPTIONS) == 0) 2724 spi->ppr_options = cur_spi->ppr_options; 2725 if ((cur_spi->valid & CTS_SPI_VALID_PPR_OPTIONS) == 0) 2726 spi->ppr_options = 0; 2727 if ((spi->valid & CTS_SPI_VALID_BUS_WIDTH) == 0) 2728 spi->bus_width = cur_spi->bus_width; 2729 if ((cur_spi->valid & CTS_SPI_VALID_BUS_WIDTH) == 0) 2730 spi->bus_width = 0; 2731 if ((spi->valid & CTS_SPI_VALID_DISC) == 0) { 2732 spi->flags &= ~CTS_SPI_FLAGS_DISC_ENB; 2733 spi->flags |= cur_spi->flags & CTS_SPI_FLAGS_DISC_ENB; 2734 } 2735 if ((cur_spi->valid & CTS_SPI_VALID_DISC) == 0) 2736 spi->flags &= ~CTS_SPI_FLAGS_DISC_ENB; 2737 if (((device->flags & CAM_DEV_INQUIRY_DATA_VALID) != 0 2738 && (inq_data->flags & SID_Sync) == 0 2739 && cts->type == CTS_TYPE_CURRENT_SETTINGS) 2740 || ((cpi.hba_inquiry & PI_SDTR_ABLE) == 0)) { 2741 /* Force async */ 2742 spi->sync_period = 0; 2743 spi->sync_offset = 0; 2744 } 2745 2746 switch (spi->bus_width) { 2747 case MSG_EXT_WDTR_BUS_32_BIT: 2748 if (((device->flags & CAM_DEV_INQUIRY_DATA_VALID) == 0 2749 || (inq_data->flags & SID_WBus32) != 0 2750 || cts->type == CTS_TYPE_USER_SETTINGS) 2751 && (cpi.hba_inquiry & PI_WIDE_32) != 0) 2752 break; 2753 /* Fall Through to 16-bit */ 2754 case MSG_EXT_WDTR_BUS_16_BIT: 2755 if (((device->flags & CAM_DEV_INQUIRY_DATA_VALID) == 0 2756 || (inq_data->flags & SID_WBus16) != 0 2757 || cts->type == CTS_TYPE_USER_SETTINGS) 2758 && (cpi.hba_inquiry & PI_WIDE_16) != 0) { 2759 spi->bus_width = MSG_EXT_WDTR_BUS_16_BIT; 2760 break; 2761 } 2762 /* Fall Through to 8-bit */ 2763 default: /* New bus width?? */ 2764 case MSG_EXT_WDTR_BUS_8_BIT: 2765 /* All targets can do this */ 2766 spi->bus_width = MSG_EXT_WDTR_BUS_8_BIT; 2767 break; 2768 } 2769 2770 spi3caps = cpi.xport_specific.spi.ppr_options; 2771 if ((device->flags & CAM_DEV_INQUIRY_DATA_VALID) != 0 2772 && cts->type == CTS_TYPE_CURRENT_SETTINGS) 2773 spi3caps &= inq_data->spi3data; 2774 2775 if ((spi3caps & SID_SPI_CLOCK_DT) == 0) 2776 spi->ppr_options &= ~MSG_EXT_PPR_DT_REQ; 2777 2778 if ((spi3caps & SID_SPI_IUS) == 0) 2779 spi->ppr_options &= ~MSG_EXT_PPR_IU_REQ; 2780 2781 if ((spi3caps & SID_SPI_QAS) == 0) 2782 spi->ppr_options &= ~MSG_EXT_PPR_QAS_REQ; 2783 2784 /* No SPI Transfer settings are allowed unless we are wide */ 2785 if (spi->bus_width == 0) 2786 spi->ppr_options = 0; 2787 2788 if ((spi->valid & CTS_SPI_VALID_DISC) 2789 && ((spi->flags & CTS_SPI_FLAGS_DISC_ENB) == 0)) { 2790 /* 2791 * Can't tag queue without disconnection. 2792 */ 2793 scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB; 2794 scsi->valid |= CTS_SCSI_VALID_TQ; 2795 } 2796 2797 /* 2798 * If we are currently performing tagged transactions to 2799 * this device and want to change its negotiation parameters, 2800 * go non-tagged for a bit to give the controller a chance to 2801 * negotiate unhampered by tag messages. 2802 */ 2803 if (cts->type == CTS_TYPE_CURRENT_SETTINGS 2804 && (device->inq_flags & SID_CmdQue) != 0 2805 && (scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0 2806 && (spi->flags & (CTS_SPI_VALID_SYNC_RATE| 2807 CTS_SPI_VALID_SYNC_OFFSET| 2808 CTS_SPI_VALID_BUS_WIDTH)) != 0) 2809 scsi_toggle_tags(path); 2810 } 2811 2812 if (cts->type == CTS_TYPE_CURRENT_SETTINGS 2813 && (scsi->valid & CTS_SCSI_VALID_TQ) != 0) { 2814 int device_tagenb; 2815 2816 /* 2817 * If we are transitioning from tags to no-tags or 2818 * vice-versa, we need to carefully freeze and restart 2819 * the queue so that we don't overlap tagged and non-tagged 2820 * commands. We also temporarily stop tags if there is 2821 * a change in transfer negotiation settings to allow 2822 * "tag-less" negotiation. 2823 */ 2824 if ((device->flags & CAM_DEV_TAG_AFTER_COUNT) != 0 2825 || (device->inq_flags & SID_CmdQue) != 0) 2826 device_tagenb = TRUE; 2827 else 2828 device_tagenb = FALSE; 2829 2830 if (((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0 2831 && device_tagenb == FALSE) 2832 || ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) == 0 2833 && device_tagenb == TRUE)) { 2834 2835 if ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0) { 2836 /* 2837 * Delay change to use tags until after a 2838 * few commands have gone to this device so 2839 * the controller has time to perform transfer 2840 * negotiations without tagged messages getting 2841 * in the way. 2842 */ 2843 device->tag_delay_count = CAM_TAG_DELAY_COUNT; 2844 device->flags |= CAM_DEV_TAG_AFTER_COUNT; 2845 } else { 2846 xpt_stop_tags(path); 2847 } 2848 } 2849 } 2850 if (async_update == FALSE) 2851 xpt_action_default((union ccb *)cts); 2852 } 2853 2854 static void 2855 scsi_toggle_tags(struct cam_path *path) 2856 { 2857 struct cam_ed *dev; 2858 2859 /* 2860 * Give controllers a chance to renegotiate 2861 * before starting tag operations. We 2862 * "toggle" tagged queuing off then on 2863 * which causes the tag enable command delay 2864 * counter to come into effect. 2865 */ 2866 dev = path->device; 2867 if ((dev->flags & CAM_DEV_TAG_AFTER_COUNT) != 0 2868 || ((dev->inq_flags & SID_CmdQue) != 0 2869 && (dev->inq_flags & (SID_Sync|SID_WBus16|SID_WBus32)) != 0)) { 2870 struct ccb_trans_settings cts; 2871 2872 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 2873 cts.protocol = PROTO_SCSI; 2874 cts.protocol_version = PROTO_VERSION_UNSPECIFIED; 2875 cts.transport = XPORT_UNSPECIFIED; 2876 cts.transport_version = XPORT_VERSION_UNSPECIFIED; 2877 cts.proto_specific.scsi.flags = 0; 2878 cts.proto_specific.scsi.valid = CTS_SCSI_VALID_TQ; 2879 scsi_set_transfer_settings(&cts, path, 2880 /*async_update*/TRUE); 2881 cts.proto_specific.scsi.flags = CTS_SCSI_FLAGS_TAG_ENB; 2882 scsi_set_transfer_settings(&cts, path, 2883 /*async_update*/TRUE); 2884 } 2885 } 2886 2887 /* 2888 * Handle any per-device event notifications that require action by the XPT. 2889 */ 2890 static void 2891 scsi_dev_async(u_int32_t async_code, struct cam_eb *bus, struct cam_et *target, 2892 struct cam_ed *device, void *async_arg) 2893 { 2894 cam_status status; 2895 struct cam_path newpath; 2896 2897 /* 2898 * We only need to handle events for real devices. 2899 */ 2900 if (target->target_id == CAM_TARGET_WILDCARD 2901 || device->lun_id == CAM_LUN_WILDCARD) 2902 return; 2903 2904 /* 2905 * We need our own path with wildcards expanded to 2906 * handle certain types of events. 2907 */ 2908 if ((async_code == AC_SENT_BDR) 2909 || (async_code == AC_BUS_RESET) 2910 || (async_code == AC_INQ_CHANGED)) 2911 status = xpt_compile_path(&newpath, NULL, 2912 bus->path_id, 2913 target->target_id, 2914 device->lun_id); 2915 else 2916 status = CAM_REQ_CMP_ERR; 2917 2918 if (status == CAM_REQ_CMP) { 2919 2920 /* 2921 * Allow transfer negotiation to occur in a 2922 * tag free environment and after settle delay. 2923 */ 2924 if (async_code == AC_SENT_BDR 2925 || async_code == AC_BUS_RESET) { 2926 cam_freeze_devq(&newpath); 2927 cam_release_devq(&newpath, 2928 RELSIM_RELEASE_AFTER_TIMEOUT, 2929 /*reduction*/0, 2930 /*timeout*/scsi_delay, 2931 /*getcount_only*/0); 2932 scsi_toggle_tags(&newpath); 2933 } 2934 2935 if (async_code == AC_INQ_CHANGED) { 2936 /* 2937 * We've sent a start unit command, or 2938 * something similar to a device that 2939 * may have caused its inquiry data to 2940 * change. So we re-scan the device to 2941 * refresh the inquiry data for it. 2942 */ 2943 scsi_scan_lun(newpath.periph, &newpath, 2944 CAM_EXPECT_INQ_CHANGE, NULL); 2945 } 2946 xpt_release_path(&newpath); 2947 } else if (async_code == AC_LOST_DEVICE && 2948 (device->flags & CAM_DEV_UNCONFIGURED) == 0) { 2949 device->flags |= CAM_DEV_UNCONFIGURED; 2950 xpt_release_device(device); 2951 } else if (async_code == AC_TRANSFER_NEG) { 2952 struct ccb_trans_settings *settings; 2953 struct cam_path path; 2954 2955 settings = (struct ccb_trans_settings *)async_arg; 2956 xpt_compile_path(&path, NULL, bus->path_id, target->target_id, 2957 device->lun_id); 2958 scsi_set_transfer_settings(settings, &path, 2959 /*async_update*/TRUE); 2960 xpt_release_path(&path); 2961 } 2962 } 2963 2964 static void 2965 scsi_announce_periph(struct cam_periph *periph) 2966 { 2967 struct ccb_pathinq cpi; 2968 struct ccb_trans_settings cts; 2969 struct cam_path *path = periph->path; 2970 u_int speed; 2971 u_int freq; 2972 u_int mb; 2973 2974 cam_periph_assert(periph, MA_OWNED); 2975 2976 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NORMAL); 2977 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 2978 cts.type = CTS_TYPE_CURRENT_SETTINGS; 2979 xpt_action((union ccb*)&cts); 2980 if (cam_ccb_status((union ccb *)&cts) != CAM_REQ_CMP) 2981 return; 2982 /* Ask the SIM for its base transfer speed */ 2983 xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NORMAL); 2984 cpi.ccb_h.func_code = XPT_PATH_INQ; 2985 xpt_action((union ccb *)&cpi); 2986 /* Report connection speed */ 2987 speed = cpi.base_transfer_speed; 2988 freq = 0; 2989 if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_SPI) { 2990 struct ccb_trans_settings_spi *spi = 2991 &cts.xport_specific.spi; 2992 2993 if ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) != 0 2994 && spi->sync_offset != 0) { 2995 freq = scsi_calc_syncsrate(spi->sync_period); 2996 speed = freq; 2997 } 2998 if ((spi->valid & CTS_SPI_VALID_BUS_WIDTH) != 0) 2999 speed *= (0x01 << spi->bus_width); 3000 } 3001 if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_FC) { 3002 struct ccb_trans_settings_fc *fc = 3003 &cts.xport_specific.fc; 3004 3005 if (fc->valid & CTS_FC_VALID_SPEED) 3006 speed = fc->bitrate; 3007 } 3008 if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_SAS) { 3009 struct ccb_trans_settings_sas *sas = 3010 &cts.xport_specific.sas; 3011 3012 if (sas->valid & CTS_SAS_VALID_SPEED) 3013 speed = sas->bitrate; 3014 } 3015 mb = speed / 1000; 3016 if (mb > 0) 3017 printf("%s%d: %d.%03dMB/s transfers", 3018 periph->periph_name, periph->unit_number, 3019 mb, speed % 1000); 3020 else 3021 printf("%s%d: %dKB/s transfers", periph->periph_name, 3022 periph->unit_number, speed); 3023 /* Report additional information about SPI connections */ 3024 if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_SPI) { 3025 struct ccb_trans_settings_spi *spi; 3026 3027 spi = &cts.xport_specific.spi; 3028 if (freq != 0) { 3029 printf(" (%d.%03dMHz%s, offset %d", freq / 1000, 3030 freq % 1000, 3031 (spi->ppr_options & MSG_EXT_PPR_DT_REQ) != 0 3032 ? " DT" : "", 3033 spi->sync_offset); 3034 } 3035 if ((spi->valid & CTS_SPI_VALID_BUS_WIDTH) != 0 3036 && spi->bus_width > 0) { 3037 if (freq != 0) { 3038 printf(", "); 3039 } else { 3040 printf(" ("); 3041 } 3042 printf("%dbit)", 8 * (0x01 << spi->bus_width)); 3043 } else if (freq != 0) { 3044 printf(")"); 3045 } 3046 } 3047 if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_FC) { 3048 struct ccb_trans_settings_fc *fc; 3049 3050 fc = &cts.xport_specific.fc; 3051 if (fc->valid & CTS_FC_VALID_WWNN) 3052 printf(" WWNN 0x%llx", (long long) fc->wwnn); 3053 if (fc->valid & CTS_FC_VALID_WWPN) 3054 printf(" WWPN 0x%llx", (long long) fc->wwpn); 3055 if (fc->valid & CTS_FC_VALID_PORT) 3056 printf(" PortID 0x%x", fc->port); 3057 } 3058 printf("\n"); 3059 } 3060 3061