1 /*- 2 * Implementation of the SCSI Transport 3 * 4 * Copyright (c) 1997, 1998, 1999 Justin T. Gibbs. 5 * Copyright (c) 1997, 1998, 1999 Kenneth D. Merry. 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions, and the following disclaimer, 13 * without modification, immediately at the beginning of the file. 14 * 2. The name of the author may not be used to endorse or promote products 15 * derived from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 21 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 */ 29 30 #include <sys/cdefs.h> 31 __FBSDID("$FreeBSD$"); 32 33 #include <sys/param.h> 34 #include <sys/bus.h> 35 #include <sys/systm.h> 36 #include <sys/types.h> 37 #include <sys/malloc.h> 38 #include <sys/kernel.h> 39 #include <sys/time.h> 40 #include <sys/conf.h> 41 #include <sys/fcntl.h> 42 #include <sys/md5.h> 43 #include <sys/interrupt.h> 44 #include <sys/sbuf.h> 45 46 #include <sys/lock.h> 47 #include <sys/mutex.h> 48 #include <sys/sysctl.h> 49 50 #include <cam/cam.h> 51 #include <cam/cam_ccb.h> 52 #include <cam/cam_queue.h> 53 #include <cam/cam_periph.h> 54 #include <cam/cam_sim.h> 55 #include <cam/cam_xpt.h> 56 #include <cam/cam_xpt_sim.h> 57 #include <cam/cam_xpt_periph.h> 58 #include <cam/cam_xpt_internal.h> 59 #include <cam/cam_debug.h> 60 61 #include <cam/scsi/scsi_all.h> 62 #include <cam/scsi/scsi_message.h> 63 #include <cam/scsi/scsi_pass.h> 64 #include <machine/stdarg.h> /* for xpt_print below */ 65 #include "opt_cam.h" 66 67 struct scsi_quirk_entry { 68 struct scsi_inquiry_pattern inq_pat; 69 u_int8_t quirks; 70 #define CAM_QUIRK_NOLUNS 0x01 71 #define CAM_QUIRK_NOVPDS 0x02 72 #define CAM_QUIRK_HILUNS 0x04 73 #define CAM_QUIRK_NOHILUNS 0x08 74 #define CAM_QUIRK_NORPTLUNS 0x10 75 u_int mintags; 76 u_int maxtags; 77 }; 78 #define SCSI_QUIRK(dev) ((struct scsi_quirk_entry *)((dev)->quirk)) 79 80 static int cam_srch_hi = 0; 81 TUNABLE_INT("kern.cam.cam_srch_hi", &cam_srch_hi); 82 static int sysctl_cam_search_luns(SYSCTL_HANDLER_ARGS); 83 SYSCTL_PROC(_kern_cam, OID_AUTO, cam_srch_hi, CTLTYPE_INT|CTLFLAG_RW, 0, 0, 84 sysctl_cam_search_luns, "I", 85 "allow search above LUN 7 for SCSI3 and greater devices"); 86 87 #define CAM_SCSI2_MAXLUN 8 88 #define CAM_CAN_GET_SIMPLE_LUN(x, i) \ 89 ((((x)->luns[i].lundata[0] & RPL_LUNDATA_ATYP_MASK) == \ 90 RPL_LUNDATA_ATYP_PERIPH) || \ 91 (((x)->luns[i].lundata[0] & RPL_LUNDATA_ATYP_MASK) == \ 92 RPL_LUNDATA_ATYP_FLAT)) 93 #define CAM_GET_SIMPLE_LUN(lp, i, lval) \ 94 if (((lp)->luns[(i)].lundata[0] & RPL_LUNDATA_ATYP_MASK) == \ 95 RPL_LUNDATA_ATYP_PERIPH) { \ 96 (lval) = (lp)->luns[(i)].lundata[1]; \ 97 } else { \ 98 (lval) = (lp)->luns[(i)].lundata[0]; \ 99 (lval) &= RPL_LUNDATA_FLAT_LUN_MASK; \ 100 (lval) <<= 8; \ 101 (lval) |= (lp)->luns[(i)].lundata[1]; \ 102 } 103 /* 104 * If we're not quirked to search <= the first 8 luns 105 * and we are either quirked to search above lun 8, 106 * or we're > SCSI-2 and we've enabled hilun searching, 107 * or we're > SCSI-2 and the last lun was a success, 108 * we can look for luns above lun 8. 109 */ 110 #define CAN_SRCH_HI_SPARSE(dv) \ 111 (((SCSI_QUIRK(dv)->quirks & CAM_QUIRK_NOHILUNS) == 0) \ 112 && ((SCSI_QUIRK(dv)->quirks & CAM_QUIRK_HILUNS) \ 113 || (SID_ANSI_REV(&dv->inq_data) > SCSI_REV_2 && cam_srch_hi))) 114 115 #define CAN_SRCH_HI_DENSE(dv) \ 116 (((SCSI_QUIRK(dv)->quirks & CAM_QUIRK_NOHILUNS) == 0) \ 117 && ((SCSI_QUIRK(dv)->quirks & CAM_QUIRK_HILUNS) \ 118 || (SID_ANSI_REV(&dv->inq_data) > SCSI_REV_2))) 119 120 static periph_init_t probe_periph_init; 121 122 static struct periph_driver probe_driver = 123 { 124 probe_periph_init, "probe", 125 TAILQ_HEAD_INITIALIZER(probe_driver.units), /* generation */ 0, 126 CAM_PERIPH_DRV_EARLY 127 }; 128 129 PERIPHDRIVER_DECLARE(probe, probe_driver); 130 131 typedef enum { 132 PROBE_TUR, 133 PROBE_INQUIRY, /* this counts as DV0 for Basic Domain Validation */ 134 PROBE_FULL_INQUIRY, 135 PROBE_REPORT_LUNS, 136 PROBE_MODE_SENSE, 137 PROBE_SUPPORTED_VPD_LIST, 138 PROBE_DEVICE_ID, 139 PROBE_SERIAL_NUM, 140 PROBE_TUR_FOR_NEGOTIATION, 141 PROBE_INQUIRY_BASIC_DV1, 142 PROBE_INQUIRY_BASIC_DV2, 143 PROBE_DV_EXIT, 144 PROBE_INVALID 145 } probe_action; 146 147 static char *probe_action_text[] = { 148 "PROBE_TUR", 149 "PROBE_INQUIRY", 150 "PROBE_FULL_INQUIRY", 151 "PROBE_REPORT_LUNS", 152 "PROBE_MODE_SENSE", 153 "PROBE_SUPPORTED_VPD_LIST", 154 "PROBE_DEVICE_ID", 155 "PROBE_SERIAL_NUM", 156 "PROBE_TUR_FOR_NEGOTIATION", 157 "PROBE_INQUIRY_BASIC_DV1", 158 "PROBE_INQUIRY_BASIC_DV2", 159 "PROBE_DV_EXIT", 160 "PROBE_INVALID" 161 }; 162 163 #define PROBE_SET_ACTION(softc, newaction) \ 164 do { \ 165 char **text; \ 166 text = probe_action_text; \ 167 CAM_DEBUG((softc)->periph->path, CAM_DEBUG_INFO, \ 168 ("Probe %s to %s\n", text[(softc)->action], \ 169 text[(newaction)])); \ 170 (softc)->action = (newaction); \ 171 } while(0) 172 173 typedef enum { 174 PROBE_INQUIRY_CKSUM = 0x01, 175 PROBE_SERIAL_CKSUM = 0x02, 176 PROBE_NO_ANNOUNCE = 0x04 177 } probe_flags; 178 179 typedef struct { 180 TAILQ_HEAD(, ccb_hdr) request_ccbs; 181 probe_action action; 182 union ccb saved_ccb; 183 probe_flags flags; 184 MD5_CTX context; 185 u_int8_t digest[16]; 186 struct cam_periph *periph; 187 } probe_softc; 188 189 static const char quantum[] = "QUANTUM"; 190 static const char sony[] = "SONY"; 191 static const char west_digital[] = "WDIGTL"; 192 static const char samsung[] = "SAMSUNG"; 193 static const char seagate[] = "SEAGATE"; 194 static const char microp[] = "MICROP"; 195 196 static struct scsi_quirk_entry scsi_quirk_table[] = 197 { 198 { 199 /* Reports QUEUE FULL for temporary resource shortages */ 200 { T_DIRECT, SIP_MEDIA_FIXED, quantum, "XP39100*", "*" }, 201 /*quirks*/0, /*mintags*/24, /*maxtags*/32 202 }, 203 { 204 /* Reports QUEUE FULL for temporary resource shortages */ 205 { T_DIRECT, SIP_MEDIA_FIXED, quantum, "XP34550*", "*" }, 206 /*quirks*/0, /*mintags*/24, /*maxtags*/32 207 }, 208 { 209 /* Reports QUEUE FULL for temporary resource shortages */ 210 { T_DIRECT, SIP_MEDIA_FIXED, quantum, "XP32275*", "*" }, 211 /*quirks*/0, /*mintags*/24, /*maxtags*/32 212 }, 213 { 214 /* Broken tagged queuing drive */ 215 { T_DIRECT, SIP_MEDIA_FIXED, microp, "4421-07*", "*" }, 216 /*quirks*/0, /*mintags*/0, /*maxtags*/0 217 }, 218 { 219 /* Broken tagged queuing drive */ 220 { T_DIRECT, SIP_MEDIA_FIXED, "HP", "C372*", "*" }, 221 /*quirks*/0, /*mintags*/0, /*maxtags*/0 222 }, 223 { 224 /* Broken tagged queuing drive */ 225 { T_DIRECT, SIP_MEDIA_FIXED, microp, "3391*", "x43h" }, 226 /*quirks*/0, /*mintags*/0, /*maxtags*/0 227 }, 228 { 229 /* 230 * Unfortunately, the Quantum Atlas III has the same 231 * problem as the Atlas II drives above. 232 * Reported by: "Johan Granlund" <johan@granlund.nu> 233 * 234 * For future reference, the drive with the problem was: 235 * QUANTUM QM39100TD-SW N1B0 236 * 237 * It's possible that Quantum will fix the problem in later 238 * firmware revisions. If that happens, the quirk entry 239 * will need to be made specific to the firmware revisions 240 * with the problem. 241 * 242 */ 243 /* Reports QUEUE FULL for temporary resource shortages */ 244 { T_DIRECT, SIP_MEDIA_FIXED, quantum, "QM39100*", "*" }, 245 /*quirks*/0, /*mintags*/24, /*maxtags*/32 246 }, 247 { 248 /* 249 * 18 Gig Atlas III, same problem as the 9G version. 250 * Reported by: Andre Albsmeier 251 * <andre.albsmeier@mchp.siemens.de> 252 * 253 * For future reference, the drive with the problem was: 254 * QUANTUM QM318000TD-S N491 255 */ 256 /* Reports QUEUE FULL for temporary resource shortages */ 257 { T_DIRECT, SIP_MEDIA_FIXED, quantum, "QM318000*", "*" }, 258 /*quirks*/0, /*mintags*/24, /*maxtags*/32 259 }, 260 { 261 /* 262 * Broken tagged queuing drive 263 * Reported by: Bret Ford <bford@uop.cs.uop.edu> 264 * and: Martin Renters <martin@tdc.on.ca> 265 */ 266 { T_DIRECT, SIP_MEDIA_FIXED, seagate, "ST410800*", "71*" }, 267 /*quirks*/0, /*mintags*/0, /*maxtags*/0 268 }, 269 /* 270 * The Seagate Medalist Pro drives have very poor write 271 * performance with anything more than 2 tags. 272 * 273 * Reported by: Paul van der Zwan <paulz@trantor.xs4all.nl> 274 * Drive: <SEAGATE ST36530N 1444> 275 * 276 * Reported by: Jeremy Lea <reg@shale.csir.co.za> 277 * Drive: <SEAGATE ST34520W 1281> 278 * 279 * No one has actually reported that the 9G version 280 * (ST39140*) of the Medalist Pro has the same problem, but 281 * we're assuming that it does because the 4G and 6.5G 282 * versions of the drive are broken. 283 */ 284 { 285 { T_DIRECT, SIP_MEDIA_FIXED, seagate, "ST34520*", "*"}, 286 /*quirks*/0, /*mintags*/2, /*maxtags*/2 287 }, 288 { 289 { T_DIRECT, SIP_MEDIA_FIXED, seagate, "ST36530*", "*"}, 290 /*quirks*/0, /*mintags*/2, /*maxtags*/2 291 }, 292 { 293 { T_DIRECT, SIP_MEDIA_FIXED, seagate, "ST39140*", "*"}, 294 /*quirks*/0, /*mintags*/2, /*maxtags*/2 295 }, 296 { 297 /* 298 * Slow when tagged queueing is enabled. Write performance 299 * steadily drops off with more and more concurrent 300 * transactions. Best sequential write performance with 301 * tagged queueing turned off and write caching turned on. 302 * 303 * PR: kern/10398 304 * Submitted by: Hideaki Okada <hokada@isl.melco.co.jp> 305 * Drive: DCAS-34330 w/ "S65A" firmware. 306 * 307 * The drive with the problem had the "S65A" firmware 308 * revision, and has also been reported (by Stephen J. 309 * Roznowski <sjr@home.net>) for a drive with the "S61A" 310 * firmware revision. 311 * 312 * Although no one has reported problems with the 2 gig 313 * version of the DCAS drive, the assumption is that it 314 * has the same problems as the 4 gig version. Therefore 315 * this quirk entries disables tagged queueing for all 316 * DCAS drives. 317 */ 318 { T_DIRECT, SIP_MEDIA_FIXED, "IBM", "DCAS*", "*" }, 319 /*quirks*/0, /*mintags*/0, /*maxtags*/0 320 }, 321 { 322 /* Broken tagged queuing drive */ 323 { T_DIRECT, SIP_MEDIA_REMOVABLE, "iomega", "jaz*", "*" }, 324 /*quirks*/0, /*mintags*/0, /*maxtags*/0 325 }, 326 { 327 /* Broken tagged queuing drive */ 328 { T_DIRECT, SIP_MEDIA_FIXED, "CONNER", "CFP2107*", "*" }, 329 /*quirks*/0, /*mintags*/0, /*maxtags*/0 330 }, 331 { 332 /* This does not support other than LUN 0 */ 333 { T_DIRECT, SIP_MEDIA_FIXED, "VMware*", "*", "*" }, 334 CAM_QUIRK_NOLUNS, /*mintags*/2, /*maxtags*/255 335 }, 336 { 337 /* 338 * Broken tagged queuing drive. 339 * Submitted by: 340 * NAKAJI Hiroyuki <nakaji@zeisei.dpri.kyoto-u.ac.jp> 341 * in PR kern/9535 342 */ 343 { T_DIRECT, SIP_MEDIA_FIXED, samsung, "WN34324U*", "*" }, 344 /*quirks*/0, /*mintags*/0, /*maxtags*/0 345 }, 346 { 347 /* 348 * Slow when tagged queueing is enabled. (1.5MB/sec versus 349 * 8MB/sec.) 350 * Submitted by: Andrew Gallatin <gallatin@cs.duke.edu> 351 * Best performance with these drives is achieved with 352 * tagged queueing turned off, and write caching turned on. 353 */ 354 { T_DIRECT, SIP_MEDIA_FIXED, west_digital, "WDE*", "*" }, 355 /*quirks*/0, /*mintags*/0, /*maxtags*/0 356 }, 357 { 358 /* 359 * Slow when tagged queueing is enabled. (1.5MB/sec versus 360 * 8MB/sec.) 361 * Submitted by: Andrew Gallatin <gallatin@cs.duke.edu> 362 * Best performance with these drives is achieved with 363 * tagged queueing turned off, and write caching turned on. 364 */ 365 { T_DIRECT, SIP_MEDIA_FIXED, west_digital, "ENTERPRISE", "*" }, 366 /*quirks*/0, /*mintags*/0, /*maxtags*/0 367 }, 368 { 369 /* 370 * Doesn't handle queue full condition correctly, 371 * so we need to limit maxtags to what the device 372 * can handle instead of determining this automatically. 373 */ 374 { T_DIRECT, SIP_MEDIA_FIXED, samsung, "WN321010S*", "*" }, 375 /*quirks*/0, /*mintags*/2, /*maxtags*/32 376 }, 377 { 378 /* Really only one LUN */ 379 { T_ENCLOSURE, SIP_MEDIA_FIXED, "SUN", "SENA", "*" }, 380 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 381 }, 382 { 383 /* I can't believe we need a quirk for DPT volumes. */ 384 { T_ANY, SIP_MEDIA_FIXED|SIP_MEDIA_REMOVABLE, "DPT", "*", "*" }, 385 CAM_QUIRK_NOLUNS, 386 /*mintags*/0, /*maxtags*/255 387 }, 388 { 389 /* 390 * Many Sony CDROM drives don't like multi-LUN probing. 391 */ 392 { T_CDROM, SIP_MEDIA_REMOVABLE, sony, "CD-ROM CDU*", "*" }, 393 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 394 }, 395 { 396 /* 397 * This drive doesn't like multiple LUN probing. 398 * Submitted by: Parag Patel <parag@cgt.com> 399 */ 400 { T_WORM, SIP_MEDIA_REMOVABLE, sony, "CD-R CDU9*", "*" }, 401 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 402 }, 403 { 404 { T_WORM, SIP_MEDIA_REMOVABLE, "YAMAHA", "CDR100*", "*" }, 405 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 406 }, 407 { 408 /* 409 * The 8200 doesn't like multi-lun probing, and probably 410 * don't like serial number requests either. 411 */ 412 { 413 T_SEQUENTIAL, SIP_MEDIA_REMOVABLE, "EXABYTE", 414 "EXB-8200*", "*" 415 }, 416 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 417 }, 418 { 419 /* 420 * Let's try the same as above, but for a drive that says 421 * it's an IPL-6860 but is actually an EXB 8200. 422 */ 423 { 424 T_SEQUENTIAL, SIP_MEDIA_REMOVABLE, "EXABYTE", 425 "IPL-6860*", "*" 426 }, 427 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 428 }, 429 { 430 /* 431 * These Hitachi drives don't like multi-lun probing. 432 * The PR submitter has a DK319H, but says that the Linux 433 * kernel has a similar work-around for the DK312 and DK314, 434 * so all DK31* drives are quirked here. 435 * PR: misc/18793 436 * Submitted by: Paul Haddad <paul@pth.com> 437 */ 438 { T_DIRECT, SIP_MEDIA_FIXED, "HITACHI", "DK31*", "*" }, 439 CAM_QUIRK_NOLUNS, /*mintags*/2, /*maxtags*/255 440 }, 441 { 442 /* 443 * The Hitachi CJ series with J8A8 firmware apparantly has 444 * problems with tagged commands. 445 * PR: 23536 446 * Reported by: amagai@nue.org 447 */ 448 { T_DIRECT, SIP_MEDIA_FIXED, "HITACHI", "DK32CJ*", "J8A8" }, 449 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 450 }, 451 { 452 /* 453 * These are the large storage arrays. 454 * Submitted by: William Carrel <william.carrel@infospace.com> 455 */ 456 { T_DIRECT, SIP_MEDIA_FIXED, "HITACHI", "OPEN*", "*" }, 457 CAM_QUIRK_HILUNS, 2, 1024 458 }, 459 { 460 /* 461 * This old revision of the TDC3600 is also SCSI-1, and 462 * hangs upon serial number probing. 463 */ 464 { 465 T_SEQUENTIAL, SIP_MEDIA_REMOVABLE, "TANDBERG", 466 " TDC 3600", "U07:" 467 }, 468 CAM_QUIRK_NOVPDS, /*mintags*/0, /*maxtags*/0 469 }, 470 { 471 /* 472 * Would repond to all LUNs if asked for. 473 */ 474 { 475 T_SEQUENTIAL, SIP_MEDIA_REMOVABLE, "CALIPER", 476 "CP150", "*" 477 }, 478 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 479 }, 480 { 481 /* 482 * Would repond to all LUNs if asked for. 483 */ 484 { 485 T_SEQUENTIAL, SIP_MEDIA_REMOVABLE, "KENNEDY", 486 "96X2*", "*" 487 }, 488 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 489 }, 490 { 491 /* Submitted by: Matthew Dodd <winter@jurai.net> */ 492 { T_PROCESSOR, SIP_MEDIA_FIXED, "Cabletrn", "EA41*", "*" }, 493 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 494 }, 495 { 496 /* Submitted by: Matthew Dodd <winter@jurai.net> */ 497 { T_PROCESSOR, SIP_MEDIA_FIXED, "CABLETRN", "EA41*", "*" }, 498 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 499 }, 500 { 501 /* TeraSolutions special settings for TRC-22 RAID */ 502 { T_DIRECT, SIP_MEDIA_FIXED, "TERASOLU", "TRC-22", "*" }, 503 /*quirks*/0, /*mintags*/55, /*maxtags*/255 504 }, 505 { 506 /* Veritas Storage Appliance */ 507 { T_DIRECT, SIP_MEDIA_FIXED, "VERITAS", "*", "*" }, 508 CAM_QUIRK_HILUNS, /*mintags*/2, /*maxtags*/1024 509 }, 510 { 511 /* 512 * Would respond to all LUNs. Device type and removable 513 * flag are jumper-selectable. 514 */ 515 { T_ANY, SIP_MEDIA_REMOVABLE|SIP_MEDIA_FIXED, "MaxOptix", 516 "Tahiti 1", "*" 517 }, 518 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 519 }, 520 { 521 /* EasyRAID E5A aka. areca ARC-6010 */ 522 { T_DIRECT, SIP_MEDIA_FIXED, "easyRAID", "*", "*" }, 523 CAM_QUIRK_NOHILUNS, /*mintags*/2, /*maxtags*/255 524 }, 525 { 526 { T_ENCLOSURE, SIP_MEDIA_FIXED, "DP", "BACKPLANE", "*" }, 527 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0 528 }, 529 { 530 /* Default tagged queuing parameters for all devices */ 531 { 532 T_ANY, SIP_MEDIA_REMOVABLE|SIP_MEDIA_FIXED, 533 /*vendor*/"*", /*product*/"*", /*revision*/"*" 534 }, 535 /*quirks*/0, /*mintags*/2, /*maxtags*/255 536 }, 537 }; 538 539 static const int scsi_quirk_table_size = 540 sizeof(scsi_quirk_table) / sizeof(*scsi_quirk_table); 541 542 static cam_status proberegister(struct cam_periph *periph, 543 void *arg); 544 static void probeschedule(struct cam_periph *probe_periph); 545 static int device_has_vpd(struct cam_ed *device, uint8_t page_id); 546 static void probestart(struct cam_periph *periph, union ccb *start_ccb); 547 static void proberequestdefaultnegotiation(struct cam_periph *periph); 548 static int proberequestbackoff(struct cam_periph *periph, 549 struct cam_ed *device); 550 static void probedone(struct cam_periph *periph, union ccb *done_ccb); 551 static int probe_strange_rpl_data(struct scsi_report_luns_data *rp, 552 uint32_t maxlun); 553 static void probe_purge_old(struct cam_path *path, 554 struct scsi_report_luns_data *new); 555 static void probecleanup(struct cam_periph *periph); 556 static void scsi_find_quirk(struct cam_ed *device); 557 static void scsi_scan_bus(struct cam_periph *periph, union ccb *ccb); 558 static void scsi_scan_lun(struct cam_periph *periph, 559 struct cam_path *path, cam_flags flags, 560 union ccb *ccb); 561 static void xptscandone(struct cam_periph *periph, union ccb *done_ccb); 562 static struct cam_ed * 563 scsi_alloc_device(struct cam_eb *bus, struct cam_et *target, 564 lun_id_t lun_id); 565 static void scsi_devise_transport(struct cam_path *path); 566 static void scsi_set_transfer_settings(struct ccb_trans_settings *cts, 567 struct cam_ed *device, 568 int async_update); 569 static void scsi_toggle_tags(struct cam_path *path); 570 static void scsi_dev_async(u_int32_t async_code, 571 struct cam_eb *bus, 572 struct cam_et *target, 573 struct cam_ed *device, 574 void *async_arg); 575 static void scsi_action(union ccb *start_ccb); 576 static void scsi_announce_periph(struct cam_periph *periph); 577 578 static struct xpt_xport scsi_xport = { 579 .alloc_device = scsi_alloc_device, 580 .action = scsi_action, 581 .async = scsi_dev_async, 582 .announce = scsi_announce_periph, 583 }; 584 585 struct xpt_xport * 586 scsi_get_xport(void) 587 { 588 return (&scsi_xport); 589 } 590 591 static void 592 probe_periph_init() 593 { 594 } 595 596 static cam_status 597 proberegister(struct cam_periph *periph, void *arg) 598 { 599 union ccb *request_ccb; /* CCB representing the probe request */ 600 cam_status status; 601 probe_softc *softc; 602 603 request_ccb = (union ccb *)arg; 604 if (periph == NULL) { 605 printf("proberegister: periph was NULL!!\n"); 606 return(CAM_REQ_CMP_ERR); 607 } 608 609 if (request_ccb == NULL) { 610 printf("proberegister: no probe CCB, " 611 "can't register device\n"); 612 return(CAM_REQ_CMP_ERR); 613 } 614 615 softc = (probe_softc *)malloc(sizeof(*softc), M_CAMXPT, M_NOWAIT); 616 617 if (softc == NULL) { 618 printf("proberegister: Unable to probe new device. " 619 "Unable to allocate softc\n"); 620 return(CAM_REQ_CMP_ERR); 621 } 622 TAILQ_INIT(&softc->request_ccbs); 623 TAILQ_INSERT_TAIL(&softc->request_ccbs, &request_ccb->ccb_h, 624 periph_links.tqe); 625 softc->flags = 0; 626 periph->softc = softc; 627 softc->periph = periph; 628 softc->action = PROBE_INVALID; 629 status = cam_periph_acquire(periph); 630 if (status != CAM_REQ_CMP) { 631 return (status); 632 } 633 634 635 /* 636 * Ensure we've waited at least a bus settle 637 * delay before attempting to probe the device. 638 * For HBAs that don't do bus resets, this won't make a difference. 639 */ 640 cam_periph_freeze_after_event(periph, &periph->path->bus->last_reset, 641 scsi_delay); 642 /* 643 * Ensure nobody slip in until probe finish. 644 */ 645 cam_freeze_devq_arg(periph->path, 646 RELSIM_RELEASE_RUNLEVEL, CAM_RL_XPT + 1); 647 probeschedule(periph); 648 return(CAM_REQ_CMP); 649 } 650 651 static void 652 probeschedule(struct cam_periph *periph) 653 { 654 struct ccb_pathinq cpi; 655 union ccb *ccb; 656 probe_softc *softc; 657 658 softc = (probe_softc *)periph->softc; 659 ccb = (union ccb *)TAILQ_FIRST(&softc->request_ccbs); 660 661 xpt_setup_ccb(&cpi.ccb_h, periph->path, CAM_PRIORITY_NONE); 662 cpi.ccb_h.func_code = XPT_PATH_INQ; 663 xpt_action((union ccb *)&cpi); 664 665 /* 666 * If a device has gone away and another device, or the same one, 667 * is back in the same place, it should have a unit attention 668 * condition pending. It will not report the unit attention in 669 * response to an inquiry, which may leave invalid transfer 670 * negotiations in effect. The TUR will reveal the unit attention 671 * condition. Only send the TUR for lun 0, since some devices 672 * will get confused by commands other than inquiry to non-existent 673 * luns. If you think a device has gone away start your scan from 674 * lun 0. This will insure that any bogus transfer settings are 675 * invalidated. 676 * 677 * If we haven't seen the device before and the controller supports 678 * some kind of transfer negotiation, negotiate with the first 679 * sent command if no bus reset was performed at startup. This 680 * ensures that the device is not confused by transfer negotiation 681 * settings left over by loader or BIOS action. 682 */ 683 if (((ccb->ccb_h.path->device->flags & CAM_DEV_UNCONFIGURED) == 0) 684 && (ccb->ccb_h.target_lun == 0)) { 685 PROBE_SET_ACTION(softc, PROBE_TUR); 686 } else if ((cpi.hba_inquiry & (PI_WIDE_32|PI_WIDE_16|PI_SDTR_ABLE)) != 0 687 && (cpi.hba_misc & PIM_NOBUSRESET) != 0) { 688 proberequestdefaultnegotiation(periph); 689 PROBE_SET_ACTION(softc, PROBE_INQUIRY); 690 } else { 691 PROBE_SET_ACTION(softc, PROBE_INQUIRY); 692 } 693 694 if (ccb->crcn.flags & CAM_EXPECT_INQ_CHANGE) 695 softc->flags |= PROBE_NO_ANNOUNCE; 696 else 697 softc->flags &= ~PROBE_NO_ANNOUNCE; 698 699 xpt_schedule(periph, CAM_PRIORITY_XPT); 700 } 701 702 static int 703 device_has_vpd(struct cam_ed *device, uint8_t page_id) 704 { 705 int i, num_pages; 706 struct scsi_vpd_supported_pages *vpds; 707 708 vpds = (struct scsi_vpd_supported_pages *)device->supported_vpds; 709 num_pages = device->supported_vpds_len - SVPD_SUPPORTED_PAGES_HDR_LEN; 710 for (i = 0;i < num_pages;i++) 711 if (vpds->page_list[i] == page_id) 712 return 1; 713 714 return 0; 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*/10, 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 probedone(periph, start_ccb); 899 return; 900 } 901 case PROBE_DEVICE_ID: 902 { 903 struct scsi_vpd_device_id *devid; 904 struct cam_ed *device; 905 906 devid = NULL; 907 device = periph->path->device; 908 if (device_has_vpd(device, SVPD_DEVICE_ID)) 909 devid = malloc(SVPD_DEVICE_ID_MAX_SIZE, M_CAMXPT, 910 M_NOWAIT | M_ZERO); 911 912 if (devid != NULL) { 913 scsi_inquiry(csio, 914 /*retries*/4, 915 probedone, 916 MSG_SIMPLE_Q_TAG, 917 (uint8_t *)devid, 918 SVPD_DEVICE_ID_MAX_SIZE, 919 /*evpd*/TRUE, 920 SVPD_DEVICE_ID, 921 SSD_MIN_SIZE, 922 /*timeout*/60 * 1000); 923 break; 924 } 925 /* 926 * We'll have to do without, let our probedone 927 * routine finish up for us. 928 */ 929 start_ccb->csio.data_ptr = NULL; 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 (device_has_vpd(device, 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 probedone(periph, start_ccb); 970 return; 971 } 972 case PROBE_INVALID: 973 CAM_DEBUG(start_ccb->ccb_h.path, CAM_DEBUG_INFO, 974 ("probestart: invalid action state\n")); 975 default: 976 break; 977 } 978 xpt_action(start_ccb); 979 } 980 981 static void 982 proberequestdefaultnegotiation(struct cam_periph *periph) 983 { 984 struct ccb_trans_settings cts; 985 986 xpt_setup_ccb(&cts.ccb_h, periph->path, CAM_PRIORITY_NONE); 987 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 988 cts.type = CTS_TYPE_USER_SETTINGS; 989 xpt_action((union ccb *)&cts); 990 if ((cts.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 991 return; 992 } 993 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 994 cts.type = CTS_TYPE_CURRENT_SETTINGS; 995 xpt_action((union ccb *)&cts); 996 } 997 998 /* 999 * Backoff Negotiation Code- only pertinent for SPI devices. 1000 */ 1001 static int 1002 proberequestbackoff(struct cam_periph *periph, struct cam_ed *device) 1003 { 1004 struct ccb_trans_settings cts; 1005 struct ccb_trans_settings_spi *spi; 1006 1007 memset(&cts, 0, sizeof (cts)); 1008 xpt_setup_ccb(&cts.ccb_h, periph->path, CAM_PRIORITY_NONE); 1009 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 1010 cts.type = CTS_TYPE_CURRENT_SETTINGS; 1011 xpt_action((union ccb *)&cts); 1012 if ((cts.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1013 if (bootverbose) { 1014 xpt_print(periph->path, 1015 "failed to get current device settings\n"); 1016 } 1017 return (0); 1018 } 1019 if (cts.transport != XPORT_SPI) { 1020 if (bootverbose) { 1021 xpt_print(periph->path, "not SPI transport\n"); 1022 } 1023 return (0); 1024 } 1025 spi = &cts.xport_specific.spi; 1026 1027 /* 1028 * We cannot renegotiate sync rate if we don't have one. 1029 */ 1030 if ((spi->valid & CTS_SPI_VALID_SYNC_RATE) == 0) { 1031 if (bootverbose) { 1032 xpt_print(periph->path, "no sync rate known\n"); 1033 } 1034 return (0); 1035 } 1036 1037 /* 1038 * We'll assert that we don't have to touch PPR options- the 1039 * SIM will see what we do with period and offset and adjust 1040 * the PPR options as appropriate. 1041 */ 1042 1043 /* 1044 * A sync rate with unknown or zero offset is nonsensical. 1045 * A sync period of zero means Async. 1046 */ 1047 if ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) == 0 1048 || spi->sync_offset == 0 || spi->sync_period == 0) { 1049 if (bootverbose) { 1050 xpt_print(periph->path, "no sync rate available\n"); 1051 } 1052 return (0); 1053 } 1054 1055 if (device->flags & CAM_DEV_DV_HIT_BOTTOM) { 1056 CAM_DEBUG(periph->path, CAM_DEBUG_INFO, 1057 ("hit async: giving up on DV\n")); 1058 return (0); 1059 } 1060 1061 1062 /* 1063 * Jump sync_period up by one, but stop at 5MHz and fall back to Async. 1064 * We don't try to remember 'last' settings to see if the SIM actually 1065 * gets into the speed we want to set. We check on the SIM telling 1066 * us that a requested speed is bad, but otherwise don't try and 1067 * check the speed due to the asynchronous and handshake nature 1068 * of speed setting. 1069 */ 1070 spi->valid = CTS_SPI_VALID_SYNC_RATE | CTS_SPI_VALID_SYNC_OFFSET; 1071 for (;;) { 1072 spi->sync_period++; 1073 if (spi->sync_period >= 0xf) { 1074 spi->sync_period = 0; 1075 spi->sync_offset = 0; 1076 CAM_DEBUG(periph->path, CAM_DEBUG_INFO, 1077 ("setting to async for DV\n")); 1078 /* 1079 * Once we hit async, we don't want to try 1080 * any more settings. 1081 */ 1082 device->flags |= CAM_DEV_DV_HIT_BOTTOM; 1083 } else if (bootverbose) { 1084 CAM_DEBUG(periph->path, CAM_DEBUG_INFO, 1085 ("DV: period 0x%x\n", spi->sync_period)); 1086 printf("setting period to 0x%x\n", spi->sync_period); 1087 } 1088 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 1089 cts.type = CTS_TYPE_CURRENT_SETTINGS; 1090 xpt_action((union ccb *)&cts); 1091 if ((cts.ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 1092 break; 1093 } 1094 CAM_DEBUG(periph->path, CAM_DEBUG_INFO, 1095 ("DV: failed to set period 0x%x\n", spi->sync_period)); 1096 if (spi->sync_period == 0) { 1097 return (0); 1098 } 1099 } 1100 return (1); 1101 } 1102 1103 #define CCB_COMPLETED_OK(ccb) (((ccb).status & CAM_STATUS_MASK) == CAM_REQ_CMP) 1104 1105 static void 1106 probedone(struct cam_periph *periph, union ccb *done_ccb) 1107 { 1108 probe_softc *softc; 1109 struct cam_path *path; 1110 u_int32_t priority; 1111 1112 CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_TRACE, ("probedone\n")); 1113 1114 softc = (probe_softc *)periph->softc; 1115 path = done_ccb->ccb_h.path; 1116 priority = done_ccb->ccb_h.pinfo.priority; 1117 1118 switch (softc->action) { 1119 case PROBE_TUR: 1120 { 1121 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1122 1123 if (cam_periph_error(done_ccb, 0, 1124 SF_NO_PRINT, NULL) == ERESTART) 1125 return; 1126 else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 1127 /* Don't wedge the queue */ 1128 xpt_release_devq(done_ccb->ccb_h.path, 1129 /*count*/1, 1130 /*run_queue*/TRUE); 1131 } 1132 PROBE_SET_ACTION(softc, PROBE_INQUIRY); 1133 xpt_release_ccb(done_ccb); 1134 xpt_schedule(periph, priority); 1135 return; 1136 } 1137 case PROBE_INQUIRY: 1138 case PROBE_FULL_INQUIRY: 1139 { 1140 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 1141 struct scsi_inquiry_data *inq_buf; 1142 u_int8_t periph_qual; 1143 1144 path->device->flags |= CAM_DEV_INQUIRY_DATA_VALID; 1145 inq_buf = &path->device->inq_data; 1146 1147 periph_qual = SID_QUAL(inq_buf); 1148 1149 if (periph_qual == SID_QUAL_LU_CONNECTED) { 1150 u_int8_t len; 1151 1152 /* 1153 * We conservatively request only 1154 * SHORT_INQUIRY_LEN bytes of inquiry 1155 * information during our first try 1156 * at sending an INQUIRY. If the device 1157 * has more information to give, 1158 * perform a second request specifying 1159 * the amount of information the device 1160 * is willing to give. 1161 */ 1162 len = inq_buf->additional_length 1163 + offsetof(struct scsi_inquiry_data, 1164 additional_length) + 1; 1165 if (softc->action == PROBE_INQUIRY 1166 && len > SHORT_INQUIRY_LENGTH) { 1167 PROBE_SET_ACTION(softc, PROBE_FULL_INQUIRY); 1168 xpt_release_ccb(done_ccb); 1169 xpt_schedule(periph, priority); 1170 return; 1171 } 1172 1173 scsi_find_quirk(path->device); 1174 1175 scsi_devise_transport(path); 1176 1177 if (path->device->lun_id == 0 && 1178 SID_ANSI_REV(inq_buf) > SCSI_REV_SPC2 && 1179 (SCSI_QUIRK(path->device)->quirks & 1180 CAM_QUIRK_NORPTLUNS) == 0) { 1181 PROBE_SET_ACTION(softc, 1182 PROBE_REPORT_LUNS); 1183 /* 1184 * Start with room for *one* lun. 1185 */ 1186 periph->path->target->rpl_size = 16; 1187 } else if (INQ_DATA_TQ_ENABLED(inq_buf)) 1188 PROBE_SET_ACTION(softc, 1189 PROBE_MODE_SENSE); 1190 else 1191 PROBE_SET_ACTION(softc, 1192 PROBE_SUPPORTED_VPD_LIST); 1193 1194 if (path->device->flags & CAM_DEV_UNCONFIGURED) { 1195 path->device->flags &= ~CAM_DEV_UNCONFIGURED; 1196 xpt_acquire_device(path->device); 1197 } 1198 xpt_release_ccb(done_ccb); 1199 xpt_schedule(periph, priority); 1200 return; 1201 } else if (path->device->lun_id == 0 && 1202 SID_ANSI_REV(inq_buf) > SCSI_REV_SPC2 && 1203 (SCSI_QUIRK(path->device)->quirks & 1204 CAM_QUIRK_NORPTLUNS) == 0) { 1205 if (path->device->flags & 1206 CAM_DEV_UNCONFIGURED) { 1207 path->device->flags &= 1208 ~CAM_DEV_UNCONFIGURED; 1209 xpt_acquire_device(path->device); 1210 } 1211 PROBE_SET_ACTION(softc, PROBE_REPORT_LUNS); 1212 periph->path->target->rpl_size = 16; 1213 xpt_release_ccb(done_ccb); 1214 xpt_schedule(periph, priority); 1215 return; 1216 } 1217 } else if (cam_periph_error(done_ccb, 0, 1218 done_ccb->ccb_h.target_lun > 0 1219 ? SF_RETRY_UA|SF_QUIET_IR 1220 : SF_RETRY_UA, 1221 &softc->saved_ccb) == ERESTART) { 1222 return; 1223 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1224 /* Don't wedge the queue */ 1225 xpt_release_devq(done_ccb->ccb_h.path, /*count*/1, 1226 /*run_queue*/TRUE); 1227 } 1228 /* 1229 * If we get to this point, we got an error status back 1230 * from the inquiry and the error status doesn't require 1231 * automatically retrying the command. Therefore, the 1232 * inquiry failed. If we had inquiry information before 1233 * for this device, but this latest inquiry command failed, 1234 * the device has probably gone away. If this device isn't 1235 * already marked unconfigured, notify the peripheral 1236 * drivers that this device is no more. 1237 */ 1238 if ((path->device->flags & CAM_DEV_UNCONFIGURED) == 0) 1239 /* Send the async notification. */ 1240 xpt_async(AC_LOST_DEVICE, path, NULL); 1241 1242 xpt_release_ccb(done_ccb); 1243 break; 1244 } 1245 case PROBE_REPORT_LUNS: 1246 { 1247 struct ccb_scsiio *csio; 1248 struct scsi_report_luns_data *lp; 1249 u_int nlun, maxlun; 1250 1251 csio = &done_ccb->csio; 1252 1253 lp = (struct scsi_report_luns_data *)csio->data_ptr; 1254 nlun = scsi_4btoul(lp->length) / 8; 1255 maxlun = (csio->dxfer_len / 8) - 1; 1256 1257 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1258 if (cam_periph_error(done_ccb, 0, 1259 done_ccb->ccb_h.target_lun > 0 ? 1260 SF_RETRY_UA|SF_QUIET_IR : SF_RETRY_UA, 1261 &softc->saved_ccb) == ERESTART) { 1262 return; 1263 } 1264 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1265 xpt_release_devq(done_ccb->ccb_h.path, 1, 1266 TRUE); 1267 } 1268 free(lp, M_CAMXPT); 1269 lp = NULL; 1270 } else if (nlun > maxlun) { 1271 /* 1272 * Reallocate and retry to cover all luns 1273 */ 1274 CAM_DEBUG_PATH_PRINT(CAM_DEBUG_PROBE, path, 1275 ("reallocating REPORT_LUNS for %u luns\n", nlun)); 1276 free(lp, M_CAMXPT); 1277 path->target->rpl_size = (nlun << 3) + 8; 1278 xpt_release_ccb(done_ccb); 1279 xpt_schedule(periph, priority); 1280 return; 1281 } else if (nlun == 0) { 1282 /* 1283 * If there don't appear to be any luns, bail. 1284 */ 1285 free(lp, M_CAMXPT); 1286 lp = NULL; 1287 } else if (probe_strange_rpl_data(lp, maxlun)) { 1288 /* 1289 * If we can't understand the lun format 1290 * of any entry, bail. 1291 */ 1292 free(lp, M_CAMXPT); 1293 lp = NULL; 1294 } else { 1295 lun_id_t lun; 1296 int idx; 1297 1298 CAM_DEBUG_PATH_PRINT(CAM_DEBUG_PROBE, path, 1299 ("%u luns reported\n", nlun)); 1300 1301 CAM_GET_SIMPLE_LUN(lp, 0, lun); 1302 /* 1303 * If the first lun is not lun 0, then either there 1304 * is no lun 0 in the list, or the list is unsorted. 1305 */ 1306 if (lun != 0) { 1307 for (idx = 0; idx < nlun; idx++) { 1308 CAM_GET_SIMPLE_LUN(lp, idx, lun); 1309 if (lun == 0) { 1310 break; 1311 } 1312 } 1313 if (idx != nlun) { 1314 uint8_t tlun[8]; 1315 memcpy(tlun, 1316 lp->luns[0].lundata, 8); 1317 memcpy(lp->luns[0].lundata, 1318 lp->luns[idx].lundata, 8); 1319 memcpy(lp->luns[idx].lundata, 1320 tlun, 8); 1321 CAM_DEBUG_PATH_PRINT(CAM_DEBUG_PROBE, 1322 path, ("lun 0 in position %u\n", idx)); 1323 } else { 1324 /* 1325 * There is no lun 0 in our list. Destroy 1326 * the validity of the inquiry data so we 1327 * bail here and now. 1328 */ 1329 path->device->flags &= 1330 ~CAM_DEV_INQUIRY_DATA_VALID; 1331 } 1332 } 1333 /* 1334 * If we have an old lun list, We can either 1335 * retest luns that appear to have been dropped, 1336 * or just nuke them. We'll opt for the latter. 1337 * This function will also install the new list 1338 * in the target structure. 1339 */ 1340 probe_purge_old(path, lp); 1341 lp = NULL; 1342 } 1343 if (path->device->flags & CAM_DEV_INQUIRY_DATA_VALID) { 1344 struct scsi_inquiry_data *inq_buf; 1345 inq_buf = &path->device->inq_data; 1346 if (INQ_DATA_TQ_ENABLED(inq_buf)) 1347 PROBE_SET_ACTION(softc, PROBE_MODE_SENSE); 1348 else 1349 PROBE_SET_ACTION(softc, 1350 PROBE_SUPPORTED_VPD_LIST); 1351 xpt_release_ccb(done_ccb); 1352 xpt_schedule(periph, priority); 1353 return; 1354 } 1355 if (lp) { 1356 free(lp, M_CAMXPT); 1357 } 1358 break; 1359 } 1360 case PROBE_MODE_SENSE: 1361 { 1362 struct ccb_scsiio *csio; 1363 struct scsi_mode_header_6 *mode_hdr; 1364 1365 csio = &done_ccb->csio; 1366 mode_hdr = (struct scsi_mode_header_6 *)csio->data_ptr; 1367 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 1368 struct scsi_control_page *page; 1369 u_int8_t *offset; 1370 1371 offset = ((u_int8_t *)&mode_hdr[1]) 1372 + mode_hdr->blk_desc_len; 1373 page = (struct scsi_control_page *)offset; 1374 path->device->queue_flags = page->queue_flags; 1375 } else if (cam_periph_error(done_ccb, 0, 1376 SF_RETRY_UA|SF_NO_PRINT, 1377 &softc->saved_ccb) == ERESTART) { 1378 return; 1379 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1380 /* Don't wedge the queue */ 1381 xpt_release_devq(done_ccb->ccb_h.path, 1382 /*count*/1, /*run_queue*/TRUE); 1383 } 1384 xpt_release_ccb(done_ccb); 1385 free(mode_hdr, M_CAMXPT); 1386 PROBE_SET_ACTION(softc, PROBE_SUPPORTED_VPD_LIST); 1387 xpt_schedule(periph, priority); 1388 return; 1389 } 1390 case PROBE_SUPPORTED_VPD_LIST: 1391 { 1392 struct ccb_scsiio *csio; 1393 struct scsi_vpd_supported_page_list *page_list; 1394 1395 csio = &done_ccb->csio; 1396 page_list = 1397 (struct scsi_vpd_supported_page_list *)csio->data_ptr; 1398 1399 if (path->device->supported_vpds != NULL) { 1400 free(path->device->supported_vpds, M_CAMXPT); 1401 path->device->supported_vpds = NULL; 1402 path->device->supported_vpds_len = 0; 1403 } 1404 1405 if (page_list == NULL) { 1406 /* 1407 * Don't process the command as it was never sent 1408 */ 1409 } else if (CCB_COMPLETED_OK(csio->ccb_h)) { 1410 /* Got vpd list */ 1411 path->device->supported_vpds_len = page_list->length + 1412 SVPD_SUPPORTED_PAGES_HDR_LEN; 1413 path->device->supported_vpds = (uint8_t *)page_list; 1414 xpt_release_ccb(done_ccb); 1415 PROBE_SET_ACTION(softc, PROBE_DEVICE_ID); 1416 xpt_schedule(periph, priority); 1417 return; 1418 } else if (cam_periph_error(done_ccb, 0, 1419 SF_RETRY_UA|SF_NO_PRINT, 1420 &softc->saved_ccb) == ERESTART) { 1421 return; 1422 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1423 /* Don't wedge the queue */ 1424 xpt_release_devq(done_ccb->ccb_h.path, /*count*/1, 1425 /*run_queue*/TRUE); 1426 } 1427 1428 if (page_list) 1429 free(page_list, M_CAMXPT); 1430 /* No VPDs available, skip to device check. */ 1431 csio->data_ptr = NULL; 1432 goto probe_device_check; 1433 } 1434 case PROBE_DEVICE_ID: 1435 { 1436 struct scsi_vpd_device_id *devid; 1437 struct ccb_scsiio *csio; 1438 uint32_t length = 0; 1439 1440 csio = &done_ccb->csio; 1441 devid = (struct scsi_vpd_device_id *)csio->data_ptr; 1442 1443 /* Clean up from previous instance of this device */ 1444 if (path->device->device_id != NULL) { 1445 path->device->device_id_len = 0; 1446 free(path->device->device_id, M_CAMXPT); 1447 path->device->device_id = NULL; 1448 } 1449 1450 if (devid == NULL) { 1451 /* Don't process the command as it was never sent */ 1452 } else if (CCB_COMPLETED_OK(csio->ccb_h)) { 1453 length = scsi_2btoul(devid->length); 1454 if (length != 0) { 1455 /* 1456 * NB: device_id_len is actual response 1457 * size, not buffer size. 1458 */ 1459 path->device->device_id_len = length + 1460 SVPD_DEVICE_ID_HDR_LEN; 1461 path->device->device_id = (uint8_t *)devid; 1462 } 1463 } else if (cam_periph_error(done_ccb, 0, 1464 SF_RETRY_UA, 1465 &softc->saved_ccb) == ERESTART) { 1466 return; 1467 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1468 /* Don't wedge the queue */ 1469 xpt_release_devq(done_ccb->ccb_h.path, /*count*/1, 1470 /*run_queue*/TRUE); 1471 } 1472 1473 /* Free the device id space if we don't use it */ 1474 if (devid && length == 0) 1475 free(devid, M_CAMXPT); 1476 xpt_release_ccb(done_ccb); 1477 PROBE_SET_ACTION(softc, PROBE_SERIAL_NUM); 1478 xpt_schedule(periph, priority); 1479 return; 1480 } 1481 1482 probe_device_check: 1483 case PROBE_SERIAL_NUM: 1484 { 1485 struct ccb_scsiio *csio; 1486 struct scsi_vpd_unit_serial_number *serial_buf; 1487 u_int32_t priority; 1488 int changed; 1489 int have_serialnum; 1490 1491 changed = 1; 1492 have_serialnum = 0; 1493 csio = &done_ccb->csio; 1494 priority = done_ccb->ccb_h.pinfo.priority; 1495 serial_buf = 1496 (struct scsi_vpd_unit_serial_number *)csio->data_ptr; 1497 1498 if (serial_buf == NULL) { 1499 /* 1500 * Don't process the command as it was never sent 1501 */ 1502 } else if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP 1503 && (serial_buf->length > 0)) { 1504 1505 have_serialnum = 1; 1506 path->device->serial_num = 1507 (u_int8_t *)malloc((serial_buf->length + 1), 1508 M_CAMXPT, M_NOWAIT); 1509 if (path->device->serial_num != NULL) { 1510 memcpy(path->device->serial_num, 1511 serial_buf->serial_num, 1512 serial_buf->length); 1513 path->device->serial_num_len = 1514 serial_buf->length; 1515 path->device->serial_num[serial_buf->length] 1516 = '\0'; 1517 } 1518 } else if (cam_periph_error(done_ccb, 0, 1519 SF_RETRY_UA|SF_NO_PRINT, 1520 &softc->saved_ccb) == ERESTART) { 1521 return; 1522 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1523 /* Don't wedge the queue */ 1524 xpt_release_devq(done_ccb->ccb_h.path, /*count*/1, 1525 /*run_queue*/TRUE); 1526 } 1527 1528 /* 1529 * Let's see if we have seen this device before. 1530 */ 1531 if ((softc->flags & PROBE_INQUIRY_CKSUM) != 0) { 1532 MD5_CTX context; 1533 u_int8_t digest[16]; 1534 1535 MD5Init(&context); 1536 1537 MD5Update(&context, 1538 (unsigned char *)&path->device->inq_data, 1539 sizeof(struct scsi_inquiry_data)); 1540 1541 if (have_serialnum) 1542 MD5Update(&context, serial_buf->serial_num, 1543 serial_buf->length); 1544 1545 MD5Final(digest, &context); 1546 if (bcmp(softc->digest, digest, 16) == 0) 1547 changed = 0; 1548 1549 /* 1550 * XXX Do we need to do a TUR in order to ensure 1551 * that the device really hasn't changed??? 1552 */ 1553 if ((changed != 0) 1554 && ((softc->flags & PROBE_NO_ANNOUNCE) == 0)) 1555 xpt_async(AC_LOST_DEVICE, path, NULL); 1556 } 1557 if (serial_buf != NULL) 1558 free(serial_buf, M_CAMXPT); 1559 1560 if (changed != 0) { 1561 /* 1562 * Now that we have all the necessary 1563 * information to safely perform transfer 1564 * negotiations... Controllers don't perform 1565 * any negotiation or tagged queuing until 1566 * after the first XPT_SET_TRAN_SETTINGS ccb is 1567 * received. So, on a new device, just retrieve 1568 * the user settings, and set them as the current 1569 * settings to set the device up. 1570 */ 1571 proberequestdefaultnegotiation(periph); 1572 xpt_release_ccb(done_ccb); 1573 1574 /* 1575 * Perform a TUR to allow the controller to 1576 * perform any necessary transfer negotiation. 1577 */ 1578 PROBE_SET_ACTION(softc, PROBE_TUR_FOR_NEGOTIATION); 1579 xpt_schedule(periph, priority); 1580 return; 1581 } 1582 xpt_release_ccb(done_ccb); 1583 break; 1584 } 1585 case PROBE_TUR_FOR_NEGOTIATION: 1586 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1587 DELAY(500000); 1588 if (cam_periph_error(done_ccb, 0, SF_RETRY_UA, 1589 NULL) == ERESTART) 1590 return; 1591 } 1592 /* FALLTHROUGH */ 1593 case PROBE_DV_EXIT: 1594 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1595 /* Don't wedge the queue */ 1596 xpt_release_devq(done_ccb->ccb_h.path, /*count*/1, 1597 /*run_queue*/TRUE); 1598 } 1599 /* 1600 * Do Domain Validation for lun 0 on devices that claim 1601 * to support Synchronous Transfer modes. 1602 */ 1603 if (softc->action == PROBE_TUR_FOR_NEGOTIATION 1604 && done_ccb->ccb_h.target_lun == 0 1605 && (path->device->inq_data.flags & SID_Sync) != 0 1606 && (path->device->flags & CAM_DEV_IN_DV) == 0) { 1607 CAM_DEBUG(periph->path, CAM_DEBUG_INFO, 1608 ("Begin Domain Validation\n")); 1609 path->device->flags |= CAM_DEV_IN_DV; 1610 xpt_release_ccb(done_ccb); 1611 PROBE_SET_ACTION(softc, PROBE_INQUIRY_BASIC_DV1); 1612 xpt_schedule(periph, priority); 1613 return; 1614 } 1615 if (softc->action == PROBE_DV_EXIT) { 1616 CAM_DEBUG(periph->path, CAM_DEBUG_INFO, 1617 ("Leave Domain Validation\n")); 1618 } 1619 if (path->device->flags & CAM_DEV_UNCONFIGURED) { 1620 path->device->flags &= ~CAM_DEV_UNCONFIGURED; 1621 xpt_acquire_device(path->device); 1622 } 1623 path->device->flags &= 1624 ~(CAM_DEV_IN_DV|CAM_DEV_DV_HIT_BOTTOM); 1625 if ((softc->flags & PROBE_NO_ANNOUNCE) == 0) { 1626 /* Inform the XPT that a new device has been found */ 1627 done_ccb->ccb_h.func_code = XPT_GDEV_TYPE; 1628 xpt_action(done_ccb); 1629 xpt_async(AC_FOUND_DEVICE, done_ccb->ccb_h.path, 1630 done_ccb); 1631 } 1632 xpt_release_ccb(done_ccb); 1633 break; 1634 case PROBE_INQUIRY_BASIC_DV1: 1635 case PROBE_INQUIRY_BASIC_DV2: 1636 { 1637 struct scsi_inquiry_data *nbuf; 1638 struct ccb_scsiio *csio; 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 return; 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 return; 1669 } 1670 if (softc->action == PROBE_INQUIRY_BASIC_DV2) { 1671 CAM_DEBUG(periph->path, CAM_DEBUG_INFO, 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 xpt_release_ccb(done_ccb); 1688 break; 1689 } 1690 case PROBE_INVALID: 1691 CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_INFO, 1692 ("probedone: invalid action state\n")); 1693 default: 1694 break; 1695 } 1696 done_ccb = (union ccb *)TAILQ_FIRST(&softc->request_ccbs); 1697 TAILQ_REMOVE(&softc->request_ccbs, &done_ccb->ccb_h, periph_links.tqe); 1698 done_ccb->ccb_h.status = CAM_REQ_CMP; 1699 xpt_done(done_ccb); 1700 if (TAILQ_FIRST(&softc->request_ccbs) == NULL) { 1701 cam_release_devq(periph->path, 1702 RELSIM_RELEASE_RUNLEVEL, 0, CAM_RL_XPT + 1, FALSE); 1703 cam_periph_invalidate(periph); 1704 cam_periph_release_locked(periph); 1705 } else { 1706 probeschedule(periph); 1707 } 1708 } 1709 1710 static int 1711 probe_strange_rpl_data(struct scsi_report_luns_data *rp, uint32_t maxlun) 1712 { 1713 uint32_t idx; 1714 uint32_t nlun = MIN(maxlun, (scsi_4btoul(rp->length) / 8)); 1715 1716 for (idx = 0; idx < nlun; idx++) { 1717 if (!CAM_CAN_GET_SIMPLE_LUN(rp, idx)) { 1718 return (-1); 1719 } 1720 } 1721 return (0); 1722 } 1723 1724 static void 1725 probe_purge_old(struct cam_path *path, struct scsi_report_luns_data *new) 1726 { 1727 struct cam_path *tp; 1728 struct scsi_report_luns_data *old; 1729 u_int idx1, idx2, nlun_old, nlun_new, this_lun; 1730 u_int8_t *ol, *nl; 1731 1732 if (path->target == NULL) { 1733 return; 1734 } 1735 if (path->target->luns == NULL) { 1736 path->target->luns = new; 1737 return; 1738 } 1739 old = path->target->luns; 1740 nlun_old = scsi_4btoul(old->length) / 8; 1741 nlun_new = scsi_4btoul(new->length) / 8; 1742 1743 /* 1744 * We are not going to assume sorted lists. Deal. 1745 */ 1746 for (idx1 = 0; idx1 < nlun_old; idx1++) { 1747 ol = old->luns[idx1].lundata; 1748 for (idx2 = 0; idx2 < nlun_new; idx2++) { 1749 nl = new->luns[idx2].lundata; 1750 if (memcmp(nl, ol, 8) == 0) { 1751 break; 1752 } 1753 } 1754 if (idx2 < nlun_new) { 1755 continue; 1756 } 1757 /* 1758 * An 'old' item not in the 'new' list. 1759 * Nuke it. Except that if it is lun 0, 1760 * that would be what the probe state 1761 * machine is currently working on, 1762 * so we won't do that. 1763 * 1764 * We also cannot nuke it if it is 1765 * not in a lun format we understand. 1766 */ 1767 if (!CAM_CAN_GET_SIMPLE_LUN(old, idx1)) { 1768 continue; 1769 } 1770 CAM_GET_SIMPLE_LUN(old, idx1, this_lun); 1771 if (this_lun == 0) { 1772 continue; 1773 } 1774 if (xpt_create_path(&tp, NULL, xpt_path_path_id(path), 1775 xpt_path_target_id(path), this_lun) == CAM_REQ_CMP) { 1776 xpt_async(AC_LOST_DEVICE, tp, NULL); 1777 xpt_free_path(tp); 1778 } 1779 } 1780 free(old, M_CAMXPT); 1781 path->target->luns = new; 1782 } 1783 1784 static void 1785 probecleanup(struct cam_periph *periph) 1786 { 1787 free(periph->softc, M_CAMXPT); 1788 } 1789 1790 static void 1791 scsi_find_quirk(struct cam_ed *device) 1792 { 1793 struct scsi_quirk_entry *quirk; 1794 caddr_t match; 1795 1796 match = cam_quirkmatch((caddr_t)&device->inq_data, 1797 (caddr_t)scsi_quirk_table, 1798 sizeof(scsi_quirk_table) / 1799 sizeof(*scsi_quirk_table), 1800 sizeof(*scsi_quirk_table), scsi_inquiry_match); 1801 1802 if (match == NULL) 1803 panic("xpt_find_quirk: device didn't match wildcard entry!!"); 1804 1805 quirk = (struct scsi_quirk_entry *)match; 1806 device->quirk = quirk; 1807 device->mintags = quirk->mintags; 1808 device->maxtags = quirk->maxtags; 1809 } 1810 1811 static int 1812 sysctl_cam_search_luns(SYSCTL_HANDLER_ARGS) 1813 { 1814 int error, val; 1815 1816 val = cam_srch_hi; 1817 error = sysctl_handle_int(oidp, &val, 0, req); 1818 if (error != 0 || req->newptr == NULL) 1819 return (error); 1820 if (val == 0 || val == 1) { 1821 cam_srch_hi = val; 1822 return (0); 1823 } else { 1824 return (EINVAL); 1825 } 1826 } 1827 1828 typedef struct { 1829 union ccb *request_ccb; 1830 struct ccb_pathinq *cpi; 1831 int counter; 1832 int lunindex[0]; 1833 } scsi_scan_bus_info; 1834 1835 /* 1836 * To start a scan, request_ccb is an XPT_SCAN_BUS ccb. 1837 * As the scan progresses, scsi_scan_bus is used as the 1838 * callback on completion function. 1839 */ 1840 static void 1841 scsi_scan_bus(struct cam_periph *periph, union ccb *request_ccb) 1842 { 1843 CAM_DEBUG(request_ccb->ccb_h.path, CAM_DEBUG_TRACE, 1844 ("scsi_scan_bus\n")); 1845 switch (request_ccb->ccb_h.func_code) { 1846 case XPT_SCAN_BUS: 1847 case XPT_SCAN_TGT: 1848 { 1849 scsi_scan_bus_info *scan_info; 1850 union ccb *work_ccb, *reset_ccb; 1851 struct cam_path *path; 1852 u_int i; 1853 u_int low_target, max_target; 1854 u_int initiator_id; 1855 1856 /* Find out the characteristics of the bus */ 1857 work_ccb = xpt_alloc_ccb_nowait(); 1858 if (work_ccb == NULL) { 1859 request_ccb->ccb_h.status = CAM_RESRC_UNAVAIL; 1860 xpt_done(request_ccb); 1861 return; 1862 } 1863 xpt_setup_ccb(&work_ccb->ccb_h, request_ccb->ccb_h.path, 1864 request_ccb->ccb_h.pinfo.priority); 1865 work_ccb->ccb_h.func_code = XPT_PATH_INQ; 1866 xpt_action(work_ccb); 1867 if (work_ccb->ccb_h.status != CAM_REQ_CMP) { 1868 request_ccb->ccb_h.status = work_ccb->ccb_h.status; 1869 xpt_free_ccb(work_ccb); 1870 xpt_done(request_ccb); 1871 return; 1872 } 1873 1874 if ((work_ccb->cpi.hba_misc & PIM_NOINITIATOR) != 0) { 1875 /* 1876 * Can't scan the bus on an adapter that 1877 * cannot perform the initiator role. 1878 */ 1879 request_ccb->ccb_h.status = CAM_REQ_CMP; 1880 xpt_free_ccb(work_ccb); 1881 xpt_done(request_ccb); 1882 return; 1883 } 1884 1885 /* We may need to reset bus first, if we haven't done it yet. */ 1886 if ((work_ccb->cpi.hba_inquiry & 1887 (PI_WIDE_32|PI_WIDE_16|PI_SDTR_ABLE)) && 1888 !(work_ccb->cpi.hba_misc & PIM_NOBUSRESET) && 1889 !timevalisset(&request_ccb->ccb_h.path->bus->last_reset)) { 1890 reset_ccb = xpt_alloc_ccb_nowait(); 1891 xpt_setup_ccb(&reset_ccb->ccb_h, request_ccb->ccb_h.path, 1892 CAM_PRIORITY_NONE); 1893 reset_ccb->ccb_h.func_code = XPT_RESET_BUS; 1894 xpt_action(reset_ccb); 1895 if (reset_ccb->ccb_h.status != CAM_REQ_CMP) { 1896 request_ccb->ccb_h.status = reset_ccb->ccb_h.status; 1897 xpt_free_ccb(reset_ccb); 1898 xpt_free_ccb(work_ccb); 1899 xpt_done(request_ccb); 1900 return; 1901 } 1902 xpt_free_ccb(reset_ccb); 1903 } 1904 1905 /* Save some state for use while we probe for devices */ 1906 scan_info = (scsi_scan_bus_info *) malloc(sizeof(scsi_scan_bus_info) + 1907 (work_ccb->cpi.max_target * sizeof (u_int)), M_CAMXPT, M_ZERO|M_NOWAIT); 1908 if (scan_info == NULL) { 1909 request_ccb->ccb_h.status = CAM_RESRC_UNAVAIL; 1910 xpt_done(request_ccb); 1911 return; 1912 } 1913 CAM_DEBUG_PATH_PRINT(CAM_DEBUG_PROBE, request_ccb->ccb_h.path, 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 1941 for (i = low_target; i <= max_target; i++) { 1942 cam_status status; 1943 if (i == initiator_id) 1944 continue; 1945 1946 status = xpt_create_path(&path, xpt_periph, 1947 request_ccb->ccb_h.path_id, 1948 i, 0); 1949 if (status != CAM_REQ_CMP) { 1950 printf("scsi_scan_bus: xpt_create_path failed" 1951 " with status %#x, bus scan halted\n", 1952 status); 1953 free(scan_info, M_CAMXPT); 1954 request_ccb->ccb_h.status = status; 1955 xpt_free_ccb(work_ccb); 1956 xpt_done(request_ccb); 1957 break; 1958 } 1959 work_ccb = xpt_alloc_ccb_nowait(); 1960 if (work_ccb == NULL) { 1961 xpt_free_ccb((union ccb *)scan_info->cpi); 1962 free(scan_info, M_CAMXPT); 1963 xpt_free_path(path); 1964 request_ccb->ccb_h.status = CAM_RESRC_UNAVAIL; 1965 xpt_done(request_ccb); 1966 break; 1967 } 1968 xpt_setup_ccb(&work_ccb->ccb_h, path, 1969 request_ccb->ccb_h.pinfo.priority); 1970 work_ccb->ccb_h.func_code = XPT_SCAN_LUN; 1971 work_ccb->ccb_h.cbfcnp = scsi_scan_bus; 1972 work_ccb->ccb_h.ppriv_ptr0 = scan_info; 1973 work_ccb->crcn.flags = request_ccb->crcn.flags; 1974 xpt_action(work_ccb); 1975 } 1976 break; 1977 } 1978 case XPT_SCAN_LUN: 1979 { 1980 cam_status status; 1981 struct cam_path *path, *oldpath; 1982 scsi_scan_bus_info *scan_info; 1983 struct cam_et *target; 1984 struct cam_ed *device; 1985 int next_target; 1986 path_id_t path_id; 1987 target_id_t target_id; 1988 lun_id_t lun_id; 1989 1990 oldpath = request_ccb->ccb_h.path; 1991 1992 status = request_ccb->ccb_h.status & CAM_STATUS_MASK; 1993 /* Reuse the same CCB to query if a device was really found */ 1994 scan_info = (scsi_scan_bus_info *)request_ccb->ccb_h.ppriv_ptr0; 1995 xpt_setup_ccb(&request_ccb->ccb_h, request_ccb->ccb_h.path, 1996 request_ccb->ccb_h.pinfo.priority); 1997 request_ccb->ccb_h.func_code = XPT_GDEV_TYPE; 1998 1999 2000 path_id = request_ccb->ccb_h.path_id; 2001 target_id = request_ccb->ccb_h.target_id; 2002 lun_id = request_ccb->ccb_h.target_lun; 2003 xpt_action(request_ccb); 2004 2005 target = request_ccb->ccb_h.path->target; 2006 next_target = 1; 2007 2008 if (target->luns) { 2009 uint32_t first; 2010 u_int nluns = scsi_4btoul(target->luns->length) / 8; 2011 2012 /* 2013 * Make sure we skip over lun 0 if it's the first member 2014 * of the list as we've actually just finished probing 2015 * it. 2016 */ 2017 CAM_GET_SIMPLE_LUN(target->luns, 0, first); 2018 if (first == 0 && scan_info->lunindex[target_id] == 0) { 2019 scan_info->lunindex[target_id]++; 2020 } 2021 2022 if (scan_info->lunindex[target_id] < nluns) { 2023 CAM_GET_SIMPLE_LUN(target->luns, 2024 scan_info->lunindex[target_id], lun_id); 2025 next_target = 0; 2026 CAM_DEBUG_PATH_PRINT(CAM_DEBUG_PROBE, 2027 request_ccb->ccb_h.path, 2028 ("next lun to try at index %u is %u\n", 2029 scan_info->lunindex[target_id], lun_id)); 2030 scan_info->lunindex[target_id]++; 2031 } else { 2032 /* 2033 * We're done with scanning all luns. 2034 * 2035 * Nuke the bogus device for lun 0 if lun 0 2036 * wasn't on the list. 2037 */ 2038 if (first != 0) { 2039 TAILQ_FOREACH(device, 2040 &target->ed_entries, links) { 2041 if (device->lun_id == 0) { 2042 break; 2043 } 2044 } 2045 if (device) { 2046 xpt_release_device(device); 2047 } 2048 } 2049 } 2050 } else if (request_ccb->ccb_h.status != CAM_REQ_CMP) { 2051 int phl; 2052 2053 /* 2054 * If we already probed lun 0 successfully, or 2055 * we have additional configured luns on this 2056 * target that might have "gone away", go onto 2057 * the next lun. 2058 */ 2059 /* 2060 * We may touch devices that we don't 2061 * hold references too, so ensure they 2062 * don't disappear out from under us. 2063 * The target above is referenced by the 2064 * path in the request ccb. 2065 */ 2066 phl = 0; 2067 device = TAILQ_FIRST(&target->ed_entries); 2068 if (device != NULL) { 2069 phl = CAN_SRCH_HI_SPARSE(device); 2070 if (device->lun_id == 0) 2071 device = TAILQ_NEXT(device, links); 2072 } 2073 if ((lun_id != 0) || (device != NULL)) { 2074 if (lun_id < (CAM_SCSI2_MAXLUN-1) || phl) { 2075 lun_id++; 2076 next_target = 0; 2077 } 2078 } 2079 if (lun_id == request_ccb->ccb_h.target_lun 2080 || lun_id > scan_info->cpi->max_lun) 2081 next_target = 1; 2082 } else { 2083 2084 device = request_ccb->ccb_h.path->device; 2085 2086 if ((SCSI_QUIRK(device)->quirks & 2087 CAM_QUIRK_NOLUNS) == 0) { 2088 /* Try the next lun */ 2089 if (lun_id < (CAM_SCSI2_MAXLUN-1) 2090 || CAN_SRCH_HI_DENSE(device)) { 2091 lun_id++; 2092 next_target = 0; 2093 } 2094 } 2095 if (lun_id == request_ccb->ccb_h.target_lun 2096 || lun_id > scan_info->cpi->max_lun) 2097 next_target = 1; 2098 } 2099 2100 /* 2101 * Check to see if we scan any further luns. 2102 */ 2103 if (next_target) { 2104 int done; 2105 2106 /* 2107 * Free the current request path- we're done with it. 2108 */ 2109 xpt_free_path(oldpath); 2110 hop_again: 2111 done = 0; 2112 if (scan_info->request_ccb->ccb_h.func_code == XPT_SCAN_TGT) { 2113 done = 1; 2114 } else if (scan_info->cpi->hba_misc & PIM_SEQSCAN) { 2115 scan_info->counter++; 2116 if (scan_info->counter == 2117 scan_info->cpi->initiator_id) { 2118 scan_info->counter++; 2119 } 2120 if (scan_info->counter >= 2121 scan_info->cpi->max_target+1) { 2122 done = 1; 2123 } 2124 } else { 2125 scan_info->counter--; 2126 if (scan_info->counter == 0) { 2127 done = 1; 2128 } 2129 } 2130 if (done) { 2131 xpt_free_ccb(request_ccb); 2132 xpt_free_ccb((union ccb *)scan_info->cpi); 2133 request_ccb = scan_info->request_ccb; 2134 CAM_DEBUG_PATH_PRINT(CAM_DEBUG_PROBE, 2135 request_ccb->ccb_h.path, 2136 ("SCAN done for %p\n", scan_info)); 2137 free(scan_info, M_CAMXPT); 2138 request_ccb->ccb_h.status = CAM_REQ_CMP; 2139 xpt_done(request_ccb); 2140 break; 2141 } 2142 2143 if ((scan_info->cpi->hba_misc & PIM_SEQSCAN) == 0) { 2144 xpt_free_ccb(request_ccb); 2145 break; 2146 } 2147 status = xpt_create_path(&path, xpt_periph, 2148 scan_info->request_ccb->ccb_h.path_id, 2149 scan_info->counter, 0); 2150 if (status != CAM_REQ_CMP) { 2151 printf("scsi_scan_bus: xpt_create_path failed" 2152 " with status %#x, bus scan halted\n", 2153 status); 2154 xpt_free_ccb(request_ccb); 2155 xpt_free_ccb((union ccb *)scan_info->cpi); 2156 request_ccb = scan_info->request_ccb; 2157 free(scan_info, M_CAMXPT); 2158 request_ccb->ccb_h.status = status; 2159 xpt_done(request_ccb); 2160 break; 2161 } 2162 xpt_setup_ccb(&request_ccb->ccb_h, path, 2163 request_ccb->ccb_h.pinfo.priority); 2164 request_ccb->ccb_h.func_code = XPT_SCAN_LUN; 2165 request_ccb->ccb_h.cbfcnp = scsi_scan_bus; 2166 request_ccb->ccb_h.ppriv_ptr0 = scan_info; 2167 request_ccb->crcn.flags = 2168 scan_info->request_ccb->crcn.flags; 2169 } else { 2170 status = xpt_create_path(&path, xpt_periph, 2171 path_id, target_id, lun_id); 2172 /* 2173 * Free the old request path- we're done with it. We 2174 * do this *after* creating the new path so that 2175 * we don't remove a target that has our lun list 2176 * in the case that lun 0 is not present. 2177 */ 2178 xpt_free_path(oldpath); 2179 if (status != CAM_REQ_CMP) { 2180 printf("scsi_scan_bus: xpt_create_path failed " 2181 "with status %#x, halting LUN scan\n", 2182 status); 2183 goto hop_again; 2184 } 2185 xpt_setup_ccb(&request_ccb->ccb_h, path, 2186 request_ccb->ccb_h.pinfo.priority); 2187 request_ccb->ccb_h.func_code = XPT_SCAN_LUN; 2188 request_ccb->ccb_h.cbfcnp = scsi_scan_bus; 2189 request_ccb->ccb_h.ppriv_ptr0 = scan_info; 2190 request_ccb->crcn.flags = 2191 scan_info->request_ccb->crcn.flags; 2192 } 2193 xpt_action(request_ccb); 2194 break; 2195 } 2196 default: 2197 break; 2198 } 2199 } 2200 2201 static void 2202 scsi_scan_lun(struct cam_periph *periph, struct cam_path *path, 2203 cam_flags flags, union ccb *request_ccb) 2204 { 2205 struct ccb_pathinq cpi; 2206 cam_status status; 2207 struct cam_path *new_path; 2208 struct cam_periph *old_periph; 2209 2210 CAM_DEBUG(path, CAM_DEBUG_TRACE, ("scsi_scan_lun\n")); 2211 2212 xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NONE); 2213 cpi.ccb_h.func_code = XPT_PATH_INQ; 2214 xpt_action((union ccb *)&cpi); 2215 2216 if (cpi.ccb_h.status != CAM_REQ_CMP) { 2217 if (request_ccb != NULL) { 2218 request_ccb->ccb_h.status = cpi.ccb_h.status; 2219 xpt_done(request_ccb); 2220 } 2221 return; 2222 } 2223 2224 if ((cpi.hba_misc & PIM_NOINITIATOR) != 0) { 2225 /* 2226 * Can't scan the bus on an adapter that 2227 * cannot perform the initiator role. 2228 */ 2229 if (request_ccb != NULL) { 2230 request_ccb->ccb_h.status = CAM_REQ_CMP; 2231 xpt_done(request_ccb); 2232 } 2233 return; 2234 } 2235 2236 if (request_ccb == NULL) { 2237 request_ccb = malloc(sizeof(union ccb), M_CAMXPT, M_NOWAIT); 2238 if (request_ccb == NULL) { 2239 xpt_print(path, "scsi_scan_lun: can't allocate CCB, " 2240 "can't continue\n"); 2241 return; 2242 } 2243 new_path = malloc(sizeof(*new_path), M_CAMXPT, M_NOWAIT); 2244 if (new_path == NULL) { 2245 xpt_print(path, "scsi_scan_lun: can't allocate path, " 2246 "can't continue\n"); 2247 free(request_ccb, M_CAMXPT); 2248 return; 2249 } 2250 status = xpt_compile_path(new_path, xpt_periph, 2251 path->bus->path_id, 2252 path->target->target_id, 2253 path->device->lun_id); 2254 2255 if (status != CAM_REQ_CMP) { 2256 xpt_print(path, "scsi_scan_lun: can't compile path, " 2257 "can't continue\n"); 2258 free(request_ccb, M_CAMXPT); 2259 free(new_path, M_CAMXPT); 2260 return; 2261 } 2262 xpt_setup_ccb(&request_ccb->ccb_h, new_path, CAM_PRIORITY_XPT); 2263 request_ccb->ccb_h.cbfcnp = xptscandone; 2264 request_ccb->ccb_h.func_code = XPT_SCAN_LUN; 2265 request_ccb->crcn.flags = flags; 2266 } 2267 2268 if ((old_periph = cam_periph_find(path, "probe")) != NULL) { 2269 probe_softc *softc; 2270 2271 softc = (probe_softc *)old_periph->softc; 2272 TAILQ_INSERT_TAIL(&softc->request_ccbs, &request_ccb->ccb_h, 2273 periph_links.tqe); 2274 } else { 2275 status = cam_periph_alloc(proberegister, NULL, probecleanup, 2276 probestart, "probe", 2277 CAM_PERIPH_BIO, 2278 request_ccb->ccb_h.path, NULL, 0, 2279 request_ccb); 2280 2281 if (status != CAM_REQ_CMP) { 2282 xpt_print(path, "scsi_scan_lun: cam_alloc_periph " 2283 "returned an error, can't continue probe\n"); 2284 request_ccb->ccb_h.status = status; 2285 xpt_done(request_ccb); 2286 } 2287 } 2288 } 2289 2290 static void 2291 xptscandone(struct cam_periph *periph, union ccb *done_ccb) 2292 { 2293 xpt_release_path(done_ccb->ccb_h.path); 2294 free(done_ccb->ccb_h.path, M_CAMXPT); 2295 free(done_ccb, M_CAMXPT); 2296 } 2297 2298 static struct cam_ed * 2299 scsi_alloc_device(struct cam_eb *bus, struct cam_et *target, lun_id_t lun_id) 2300 { 2301 struct cam_path path; 2302 struct scsi_quirk_entry *quirk; 2303 struct cam_ed *device; 2304 struct cam_ed *cur_device; 2305 2306 device = xpt_alloc_device(bus, target, lun_id); 2307 if (device == NULL) 2308 return (NULL); 2309 2310 /* 2311 * Take the default quirk entry until we have inquiry 2312 * data and can determine a better quirk to use. 2313 */ 2314 quirk = &scsi_quirk_table[scsi_quirk_table_size - 1]; 2315 device->quirk = (void *)quirk; 2316 device->mintags = quirk->mintags; 2317 device->maxtags = quirk->maxtags; 2318 bzero(&device->inq_data, sizeof(device->inq_data)); 2319 device->inq_flags = 0; 2320 device->queue_flags = 0; 2321 device->serial_num = NULL; 2322 device->serial_num_len = 0; 2323 device->device_id = NULL; 2324 device->device_id_len = 0; 2325 device->supported_vpds = NULL; 2326 device->supported_vpds_len = 0; 2327 2328 /* 2329 * XXX should be limited by number of CCBs this bus can 2330 * do. 2331 */ 2332 bus->sim->max_ccbs += device->ccbq.devq_openings; 2333 /* Insertion sort into our target's device list */ 2334 cur_device = TAILQ_FIRST(&target->ed_entries); 2335 while (cur_device != NULL && cur_device->lun_id < lun_id) 2336 cur_device = TAILQ_NEXT(cur_device, links); 2337 if (cur_device != NULL) { 2338 TAILQ_INSERT_BEFORE(cur_device, device, links); 2339 } else { 2340 TAILQ_INSERT_TAIL(&target->ed_entries, device, links); 2341 } 2342 target->generation++; 2343 if (lun_id != CAM_LUN_WILDCARD) { 2344 xpt_compile_path(&path, 2345 NULL, 2346 bus->path_id, 2347 target->target_id, 2348 lun_id); 2349 scsi_devise_transport(&path); 2350 xpt_release_path(&path); 2351 } 2352 2353 return (device); 2354 } 2355 2356 static void 2357 scsi_devise_transport(struct cam_path *path) 2358 { 2359 struct ccb_pathinq cpi; 2360 struct ccb_trans_settings cts; 2361 struct scsi_inquiry_data *inq_buf; 2362 2363 /* Get transport information from the SIM */ 2364 xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NONE); 2365 cpi.ccb_h.func_code = XPT_PATH_INQ; 2366 xpt_action((union ccb *)&cpi); 2367 2368 inq_buf = NULL; 2369 if ((path->device->flags & CAM_DEV_INQUIRY_DATA_VALID) != 0) 2370 inq_buf = &path->device->inq_data; 2371 path->device->protocol = PROTO_SCSI; 2372 path->device->protocol_version = 2373 inq_buf != NULL ? SID_ANSI_REV(inq_buf) : cpi.protocol_version; 2374 path->device->transport = cpi.transport; 2375 path->device->transport_version = cpi.transport_version; 2376 2377 /* 2378 * Any device not using SPI3 features should 2379 * be considered SPI2 or lower. 2380 */ 2381 if (inq_buf != NULL) { 2382 if (path->device->transport == XPORT_SPI 2383 && (inq_buf->spi3data & SID_SPI_MASK) == 0 2384 && path->device->transport_version > 2) 2385 path->device->transport_version = 2; 2386 } else { 2387 struct cam_ed* otherdev; 2388 2389 for (otherdev = TAILQ_FIRST(&path->target->ed_entries); 2390 otherdev != NULL; 2391 otherdev = TAILQ_NEXT(otherdev, links)) { 2392 if (otherdev != path->device) 2393 break; 2394 } 2395 2396 if (otherdev != NULL) { 2397 /* 2398 * Initially assume the same versioning as 2399 * prior luns for this target. 2400 */ 2401 path->device->protocol_version = 2402 otherdev->protocol_version; 2403 path->device->transport_version = 2404 otherdev->transport_version; 2405 } else { 2406 /* Until we know better, opt for safty */ 2407 path->device->protocol_version = 2; 2408 if (path->device->transport == XPORT_SPI) 2409 path->device->transport_version = 2; 2410 else 2411 path->device->transport_version = 0; 2412 } 2413 } 2414 2415 /* 2416 * XXX 2417 * For a device compliant with SPC-2 we should be able 2418 * to determine the transport version supported by 2419 * scrutinizing the version descriptors in the 2420 * inquiry buffer. 2421 */ 2422 2423 /* Tell the controller what we think */ 2424 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 2425 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 2426 cts.type = CTS_TYPE_CURRENT_SETTINGS; 2427 cts.transport = path->device->transport; 2428 cts.transport_version = path->device->transport_version; 2429 cts.protocol = path->device->protocol; 2430 cts.protocol_version = path->device->protocol_version; 2431 cts.proto_specific.valid = 0; 2432 cts.xport_specific.valid = 0; 2433 xpt_action((union ccb *)&cts); 2434 } 2435 2436 static void 2437 scsi_dev_advinfo(union ccb *start_ccb) 2438 { 2439 struct cam_ed *device; 2440 struct ccb_dev_advinfo *cdai; 2441 off_t amt; 2442 2443 start_ccb->ccb_h.status = CAM_REQ_INVALID; 2444 device = start_ccb->ccb_h.path->device; 2445 cdai = &start_ccb->cdai; 2446 switch(cdai->buftype) { 2447 case CDAI_TYPE_SCSI_DEVID: 2448 if (cdai->flags & CDAI_FLAG_STORE) 2449 return; 2450 cdai->provsiz = device->device_id_len; 2451 if (device->device_id_len == 0) 2452 break; 2453 amt = device->device_id_len; 2454 if (cdai->provsiz > cdai->bufsiz) 2455 amt = cdai->bufsiz; 2456 memcpy(cdai->buf, device->device_id, amt); 2457 break; 2458 case CDAI_TYPE_SERIAL_NUM: 2459 if (cdai->flags & CDAI_FLAG_STORE) 2460 return; 2461 cdai->provsiz = device->serial_num_len; 2462 if (device->serial_num_len == 0) 2463 break; 2464 amt = device->serial_num_len; 2465 if (cdai->provsiz > cdai->bufsiz) 2466 amt = cdai->bufsiz; 2467 memcpy(cdai->buf, device->serial_num, amt); 2468 break; 2469 case CDAI_TYPE_PHYS_PATH: 2470 if (cdai->flags & CDAI_FLAG_STORE) { 2471 if (device->physpath != NULL) 2472 free(device->physpath, M_CAMXPT); 2473 device->physpath_len = cdai->bufsiz; 2474 /* Clear existing buffer if zero length */ 2475 if (cdai->bufsiz == 0) 2476 break; 2477 device->physpath = malloc(cdai->bufsiz, M_CAMXPT, M_NOWAIT); 2478 if (device->physpath == NULL) { 2479 start_ccb->ccb_h.status = CAM_REQ_ABORTED; 2480 return; 2481 } 2482 memcpy(device->physpath, cdai->buf, cdai->bufsiz); 2483 } else { 2484 cdai->provsiz = device->physpath_len; 2485 if (device->physpath_len == 0) 2486 break; 2487 amt = device->physpath_len; 2488 if (cdai->provsiz > cdai->bufsiz) 2489 amt = cdai->bufsiz; 2490 memcpy(cdai->buf, device->physpath, amt); 2491 } 2492 break; 2493 default: 2494 return; 2495 } 2496 start_ccb->ccb_h.status = CAM_REQ_CMP; 2497 2498 if (cdai->flags & CDAI_FLAG_STORE) { 2499 int owned; 2500 2501 owned = mtx_owned(start_ccb->ccb_h.path->bus->sim->mtx); 2502 if (owned == 0) 2503 mtx_lock(start_ccb->ccb_h.path->bus->sim->mtx); 2504 xpt_async(AC_ADVINFO_CHANGED, start_ccb->ccb_h.path, 2505 (void *)(uintptr_t)cdai->buftype); 2506 if (owned == 0) 2507 mtx_unlock(start_ccb->ccb_h.path->bus->sim->mtx); 2508 } 2509 } 2510 2511 static void 2512 scsi_action(union ccb *start_ccb) 2513 { 2514 2515 switch (start_ccb->ccb_h.func_code) { 2516 case XPT_SET_TRAN_SETTINGS: 2517 { 2518 scsi_set_transfer_settings(&start_ccb->cts, 2519 start_ccb->ccb_h.path->device, 2520 /*async_update*/FALSE); 2521 break; 2522 } 2523 case XPT_SCAN_BUS: 2524 case XPT_SCAN_TGT: 2525 scsi_scan_bus(start_ccb->ccb_h.path->periph, start_ccb); 2526 break; 2527 case XPT_SCAN_LUN: 2528 scsi_scan_lun(start_ccb->ccb_h.path->periph, 2529 start_ccb->ccb_h.path, start_ccb->crcn.flags, 2530 start_ccb); 2531 break; 2532 case XPT_GET_TRAN_SETTINGS: 2533 { 2534 struct cam_sim *sim; 2535 2536 sim = start_ccb->ccb_h.path->bus->sim; 2537 (*(sim->sim_action))(sim, start_ccb); 2538 break; 2539 } 2540 case XPT_DEV_ADVINFO: 2541 { 2542 scsi_dev_advinfo(start_ccb); 2543 break; 2544 } 2545 default: 2546 xpt_action_default(start_ccb); 2547 break; 2548 } 2549 } 2550 2551 static void 2552 scsi_set_transfer_settings(struct ccb_trans_settings *cts, struct cam_ed *device, 2553 int async_update) 2554 { 2555 struct ccb_pathinq cpi; 2556 struct ccb_trans_settings cur_cts; 2557 struct ccb_trans_settings_scsi *scsi; 2558 struct ccb_trans_settings_scsi *cur_scsi; 2559 struct cam_sim *sim; 2560 struct scsi_inquiry_data *inq_data; 2561 2562 if (device == NULL) { 2563 cts->ccb_h.status = CAM_PATH_INVALID; 2564 xpt_done((union ccb *)cts); 2565 return; 2566 } 2567 2568 if (cts->protocol == PROTO_UNKNOWN 2569 || cts->protocol == PROTO_UNSPECIFIED) { 2570 cts->protocol = device->protocol; 2571 cts->protocol_version = device->protocol_version; 2572 } 2573 2574 if (cts->protocol_version == PROTO_VERSION_UNKNOWN 2575 || cts->protocol_version == PROTO_VERSION_UNSPECIFIED) 2576 cts->protocol_version = device->protocol_version; 2577 2578 if (cts->protocol != device->protocol) { 2579 xpt_print(cts->ccb_h.path, "Uninitialized Protocol %x:%x?\n", 2580 cts->protocol, device->protocol); 2581 cts->protocol = device->protocol; 2582 } 2583 2584 if (cts->protocol_version > device->protocol_version) { 2585 if (bootverbose) { 2586 xpt_print(cts->ccb_h.path, "Down reving Protocol " 2587 "Version from %d to %d?\n", cts->protocol_version, 2588 device->protocol_version); 2589 } 2590 cts->protocol_version = device->protocol_version; 2591 } 2592 2593 if (cts->transport == XPORT_UNKNOWN 2594 || cts->transport == XPORT_UNSPECIFIED) { 2595 cts->transport = device->transport; 2596 cts->transport_version = device->transport_version; 2597 } 2598 2599 if (cts->transport_version == XPORT_VERSION_UNKNOWN 2600 || cts->transport_version == XPORT_VERSION_UNSPECIFIED) 2601 cts->transport_version = device->transport_version; 2602 2603 if (cts->transport != device->transport) { 2604 xpt_print(cts->ccb_h.path, "Uninitialized Transport %x:%x?\n", 2605 cts->transport, device->transport); 2606 cts->transport = device->transport; 2607 } 2608 2609 if (cts->transport_version > device->transport_version) { 2610 if (bootverbose) { 2611 xpt_print(cts->ccb_h.path, "Down reving Transport " 2612 "Version from %d to %d?\n", cts->transport_version, 2613 device->transport_version); 2614 } 2615 cts->transport_version = device->transport_version; 2616 } 2617 2618 sim = cts->ccb_h.path->bus->sim; 2619 2620 /* 2621 * Nothing more of interest to do unless 2622 * this is a device connected via the 2623 * SCSI protocol. 2624 */ 2625 if (cts->protocol != PROTO_SCSI) { 2626 if (async_update == FALSE) 2627 (*(sim->sim_action))(sim, (union ccb *)cts); 2628 return; 2629 } 2630 2631 inq_data = &device->inq_data; 2632 scsi = &cts->proto_specific.scsi; 2633 xpt_setup_ccb(&cpi.ccb_h, cts->ccb_h.path, CAM_PRIORITY_NONE); 2634 cpi.ccb_h.func_code = XPT_PATH_INQ; 2635 xpt_action((union ccb *)&cpi); 2636 2637 /* SCSI specific sanity checking */ 2638 if ((cpi.hba_inquiry & PI_TAG_ABLE) == 0 2639 || (INQ_DATA_TQ_ENABLED(inq_data)) == 0 2640 || (device->queue_flags & SCP_QUEUE_DQUE) != 0 2641 || (device->mintags == 0)) { 2642 /* 2643 * Can't tag on hardware that doesn't support tags, 2644 * doesn't have it enabled, or has broken tag support. 2645 */ 2646 scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB; 2647 } 2648 2649 if (async_update == FALSE) { 2650 /* 2651 * Perform sanity checking against what the 2652 * controller and device can do. 2653 */ 2654 xpt_setup_ccb(&cur_cts.ccb_h, cts->ccb_h.path, CAM_PRIORITY_NONE); 2655 cur_cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 2656 cur_cts.type = cts->type; 2657 xpt_action((union ccb *)&cur_cts); 2658 if ((cur_cts.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 2659 return; 2660 } 2661 cur_scsi = &cur_cts.proto_specific.scsi; 2662 if ((scsi->valid & CTS_SCSI_VALID_TQ) == 0) { 2663 scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB; 2664 scsi->flags |= cur_scsi->flags & CTS_SCSI_FLAGS_TAG_ENB; 2665 } 2666 if ((cur_scsi->valid & CTS_SCSI_VALID_TQ) == 0) 2667 scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB; 2668 } 2669 2670 /* SPI specific sanity checking */ 2671 if (cts->transport == XPORT_SPI && async_update == FALSE) { 2672 u_int spi3caps; 2673 struct ccb_trans_settings_spi *spi; 2674 struct ccb_trans_settings_spi *cur_spi; 2675 2676 spi = &cts->xport_specific.spi; 2677 2678 cur_spi = &cur_cts.xport_specific.spi; 2679 2680 /* Fill in any gaps in what the user gave us */ 2681 if ((spi->valid & CTS_SPI_VALID_SYNC_RATE) == 0) 2682 spi->sync_period = cur_spi->sync_period; 2683 if ((cur_spi->valid & CTS_SPI_VALID_SYNC_RATE) == 0) 2684 spi->sync_period = 0; 2685 if ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) == 0) 2686 spi->sync_offset = cur_spi->sync_offset; 2687 if ((cur_spi->valid & CTS_SPI_VALID_SYNC_OFFSET) == 0) 2688 spi->sync_offset = 0; 2689 if ((spi->valid & CTS_SPI_VALID_PPR_OPTIONS) == 0) 2690 spi->ppr_options = cur_spi->ppr_options; 2691 if ((cur_spi->valid & CTS_SPI_VALID_PPR_OPTIONS) == 0) 2692 spi->ppr_options = 0; 2693 if ((spi->valid & CTS_SPI_VALID_BUS_WIDTH) == 0) 2694 spi->bus_width = cur_spi->bus_width; 2695 if ((cur_spi->valid & CTS_SPI_VALID_BUS_WIDTH) == 0) 2696 spi->bus_width = 0; 2697 if ((spi->valid & CTS_SPI_VALID_DISC) == 0) { 2698 spi->flags &= ~CTS_SPI_FLAGS_DISC_ENB; 2699 spi->flags |= cur_spi->flags & CTS_SPI_FLAGS_DISC_ENB; 2700 } 2701 if ((cur_spi->valid & CTS_SPI_VALID_DISC) == 0) 2702 spi->flags &= ~CTS_SPI_FLAGS_DISC_ENB; 2703 if (((device->flags & CAM_DEV_INQUIRY_DATA_VALID) != 0 2704 && (inq_data->flags & SID_Sync) == 0 2705 && cts->type == CTS_TYPE_CURRENT_SETTINGS) 2706 || ((cpi.hba_inquiry & PI_SDTR_ABLE) == 0)) { 2707 /* Force async */ 2708 spi->sync_period = 0; 2709 spi->sync_offset = 0; 2710 } 2711 2712 switch (spi->bus_width) { 2713 case MSG_EXT_WDTR_BUS_32_BIT: 2714 if (((device->flags & CAM_DEV_INQUIRY_DATA_VALID) == 0 2715 || (inq_data->flags & SID_WBus32) != 0 2716 || cts->type == CTS_TYPE_USER_SETTINGS) 2717 && (cpi.hba_inquiry & PI_WIDE_32) != 0) 2718 break; 2719 /* Fall Through to 16-bit */ 2720 case MSG_EXT_WDTR_BUS_16_BIT: 2721 if (((device->flags & CAM_DEV_INQUIRY_DATA_VALID) == 0 2722 || (inq_data->flags & SID_WBus16) != 0 2723 || cts->type == CTS_TYPE_USER_SETTINGS) 2724 && (cpi.hba_inquiry & PI_WIDE_16) != 0) { 2725 spi->bus_width = MSG_EXT_WDTR_BUS_16_BIT; 2726 break; 2727 } 2728 /* Fall Through to 8-bit */ 2729 default: /* New bus width?? */ 2730 case MSG_EXT_WDTR_BUS_8_BIT: 2731 /* All targets can do this */ 2732 spi->bus_width = MSG_EXT_WDTR_BUS_8_BIT; 2733 break; 2734 } 2735 2736 spi3caps = cpi.xport_specific.spi.ppr_options; 2737 if ((device->flags & CAM_DEV_INQUIRY_DATA_VALID) != 0 2738 && cts->type == CTS_TYPE_CURRENT_SETTINGS) 2739 spi3caps &= inq_data->spi3data; 2740 2741 if ((spi3caps & SID_SPI_CLOCK_DT) == 0) 2742 spi->ppr_options &= ~MSG_EXT_PPR_DT_REQ; 2743 2744 if ((spi3caps & SID_SPI_IUS) == 0) 2745 spi->ppr_options &= ~MSG_EXT_PPR_IU_REQ; 2746 2747 if ((spi3caps & SID_SPI_QAS) == 0) 2748 spi->ppr_options &= ~MSG_EXT_PPR_QAS_REQ; 2749 2750 /* No SPI Transfer settings are allowed unless we are wide */ 2751 if (spi->bus_width == 0) 2752 spi->ppr_options = 0; 2753 2754 if ((spi->valid & CTS_SPI_VALID_DISC) 2755 && ((spi->flags & CTS_SPI_FLAGS_DISC_ENB) == 0)) { 2756 /* 2757 * Can't tag queue without disconnection. 2758 */ 2759 scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB; 2760 scsi->valid |= CTS_SCSI_VALID_TQ; 2761 } 2762 2763 /* 2764 * If we are currently performing tagged transactions to 2765 * this device and want to change its negotiation parameters, 2766 * go non-tagged for a bit to give the controller a chance to 2767 * negotiate unhampered by tag messages. 2768 */ 2769 if (cts->type == CTS_TYPE_CURRENT_SETTINGS 2770 && (device->inq_flags & SID_CmdQue) != 0 2771 && (scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0 2772 && (spi->flags & (CTS_SPI_VALID_SYNC_RATE| 2773 CTS_SPI_VALID_SYNC_OFFSET| 2774 CTS_SPI_VALID_BUS_WIDTH)) != 0) 2775 scsi_toggle_tags(cts->ccb_h.path); 2776 } 2777 2778 if (cts->type == CTS_TYPE_CURRENT_SETTINGS 2779 && (scsi->valid & CTS_SCSI_VALID_TQ) != 0) { 2780 int device_tagenb; 2781 2782 /* 2783 * If we are transitioning from tags to no-tags or 2784 * vice-versa, we need to carefully freeze and restart 2785 * the queue so that we don't overlap tagged and non-tagged 2786 * commands. We also temporarily stop tags if there is 2787 * a change in transfer negotiation settings to allow 2788 * "tag-less" negotiation. 2789 */ 2790 if ((device->flags & CAM_DEV_TAG_AFTER_COUNT) != 0 2791 || (device->inq_flags & SID_CmdQue) != 0) 2792 device_tagenb = TRUE; 2793 else 2794 device_tagenb = FALSE; 2795 2796 if (((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0 2797 && device_tagenb == FALSE) 2798 || ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) == 0 2799 && device_tagenb == TRUE)) { 2800 2801 if ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0) { 2802 /* 2803 * Delay change to use tags until after a 2804 * few commands have gone to this device so 2805 * the controller has time to perform transfer 2806 * negotiations without tagged messages getting 2807 * in the way. 2808 */ 2809 device->tag_delay_count = CAM_TAG_DELAY_COUNT; 2810 device->flags |= CAM_DEV_TAG_AFTER_COUNT; 2811 } else { 2812 xpt_stop_tags(cts->ccb_h.path); 2813 } 2814 } 2815 } 2816 if (async_update == FALSE) 2817 (*(sim->sim_action))(sim, (union ccb *)cts); 2818 } 2819 2820 static void 2821 scsi_toggle_tags(struct cam_path *path) 2822 { 2823 struct cam_ed *dev; 2824 2825 /* 2826 * Give controllers a chance to renegotiate 2827 * before starting tag operations. We 2828 * "toggle" tagged queuing off then on 2829 * which causes the tag enable command delay 2830 * counter to come into effect. 2831 */ 2832 dev = path->device; 2833 if ((dev->flags & CAM_DEV_TAG_AFTER_COUNT) != 0 2834 || ((dev->inq_flags & SID_CmdQue) != 0 2835 && (dev->inq_flags & (SID_Sync|SID_WBus16|SID_WBus32)) != 0)) { 2836 struct ccb_trans_settings cts; 2837 2838 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 2839 cts.protocol = PROTO_SCSI; 2840 cts.protocol_version = PROTO_VERSION_UNSPECIFIED; 2841 cts.transport = XPORT_UNSPECIFIED; 2842 cts.transport_version = XPORT_VERSION_UNSPECIFIED; 2843 cts.proto_specific.scsi.flags = 0; 2844 cts.proto_specific.scsi.valid = CTS_SCSI_VALID_TQ; 2845 scsi_set_transfer_settings(&cts, path->device, 2846 /*async_update*/TRUE); 2847 cts.proto_specific.scsi.flags = CTS_SCSI_FLAGS_TAG_ENB; 2848 scsi_set_transfer_settings(&cts, path->device, 2849 /*async_update*/TRUE); 2850 } 2851 } 2852 2853 /* 2854 * Handle any per-device event notifications that require action by the XPT. 2855 */ 2856 static void 2857 scsi_dev_async(u_int32_t async_code, struct cam_eb *bus, struct cam_et *target, 2858 struct cam_ed *device, void *async_arg) 2859 { 2860 cam_status status; 2861 struct cam_path newpath; 2862 2863 /* 2864 * We only need to handle events for real devices. 2865 */ 2866 if (target->target_id == CAM_TARGET_WILDCARD 2867 || device->lun_id == CAM_LUN_WILDCARD) 2868 return; 2869 2870 /* 2871 * We need our own path with wildcards expanded to 2872 * handle certain types of events. 2873 */ 2874 if ((async_code == AC_SENT_BDR) 2875 || (async_code == AC_BUS_RESET) 2876 || (async_code == AC_INQ_CHANGED)) 2877 status = xpt_compile_path(&newpath, NULL, 2878 bus->path_id, 2879 target->target_id, 2880 device->lun_id); 2881 else 2882 status = CAM_REQ_CMP_ERR; 2883 2884 if (status == CAM_REQ_CMP) { 2885 2886 /* 2887 * Allow transfer negotiation to occur in a 2888 * tag free environment and after settle delay. 2889 */ 2890 if (async_code == AC_SENT_BDR 2891 || async_code == AC_BUS_RESET) { 2892 cam_freeze_devq(&newpath); 2893 cam_release_devq(&newpath, 2894 RELSIM_RELEASE_AFTER_TIMEOUT, 2895 /*reduction*/0, 2896 /*timeout*/scsi_delay, 2897 /*getcount_only*/0); 2898 scsi_toggle_tags(&newpath); 2899 } 2900 2901 if (async_code == AC_INQ_CHANGED) { 2902 /* 2903 * We've sent a start unit command, or 2904 * something similar to a device that 2905 * may have caused its inquiry data to 2906 * change. So we re-scan the device to 2907 * refresh the inquiry data for it. 2908 */ 2909 scsi_scan_lun(newpath.periph, &newpath, 2910 CAM_EXPECT_INQ_CHANGE, NULL); 2911 } 2912 xpt_release_path(&newpath); 2913 } else if (async_code == AC_LOST_DEVICE && 2914 (device->flags & CAM_DEV_UNCONFIGURED) == 0) { 2915 device->flags |= CAM_DEV_UNCONFIGURED; 2916 xpt_release_device(device); 2917 } else if (async_code == AC_TRANSFER_NEG) { 2918 struct ccb_trans_settings *settings; 2919 2920 settings = (struct ccb_trans_settings *)async_arg; 2921 scsi_set_transfer_settings(settings, device, 2922 /*async_update*/TRUE); 2923 } 2924 } 2925 2926 static void 2927 scsi_announce_periph(struct cam_periph *periph) 2928 { 2929 struct ccb_pathinq cpi; 2930 struct ccb_trans_settings cts; 2931 struct cam_path *path = periph->path; 2932 u_int speed; 2933 u_int freq; 2934 u_int mb; 2935 2936 mtx_assert(periph->sim->mtx, MA_OWNED); 2937 2938 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NORMAL); 2939 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 2940 cts.type = CTS_TYPE_CURRENT_SETTINGS; 2941 xpt_action((union ccb*)&cts); 2942 if ((cts.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) 2943 return; 2944 /* Ask the SIM for its base transfer speed */ 2945 xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NORMAL); 2946 cpi.ccb_h.func_code = XPT_PATH_INQ; 2947 xpt_action((union ccb *)&cpi); 2948 /* Report connection speed */ 2949 speed = cpi.base_transfer_speed; 2950 freq = 0; 2951 if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_SPI) { 2952 struct ccb_trans_settings_spi *spi = 2953 &cts.xport_specific.spi; 2954 2955 if ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) != 0 2956 && spi->sync_offset != 0) { 2957 freq = scsi_calc_syncsrate(spi->sync_period); 2958 speed = freq; 2959 } 2960 if ((spi->valid & CTS_SPI_VALID_BUS_WIDTH) != 0) 2961 speed *= (0x01 << spi->bus_width); 2962 } 2963 if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_FC) { 2964 struct ccb_trans_settings_fc *fc = 2965 &cts.xport_specific.fc; 2966 2967 if (fc->valid & CTS_FC_VALID_SPEED) 2968 speed = fc->bitrate; 2969 } 2970 if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_SAS) { 2971 struct ccb_trans_settings_sas *sas = 2972 &cts.xport_specific.sas; 2973 2974 if (sas->valid & CTS_SAS_VALID_SPEED) 2975 speed = sas->bitrate; 2976 } 2977 mb = speed / 1000; 2978 if (mb > 0) 2979 printf("%s%d: %d.%03dMB/s transfers", 2980 periph->periph_name, periph->unit_number, 2981 mb, speed % 1000); 2982 else 2983 printf("%s%d: %dKB/s transfers", periph->periph_name, 2984 periph->unit_number, speed); 2985 /* Report additional information about SPI connections */ 2986 if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_SPI) { 2987 struct ccb_trans_settings_spi *spi; 2988 2989 spi = &cts.xport_specific.spi; 2990 if (freq != 0) { 2991 printf(" (%d.%03dMHz%s, offset %d", freq / 1000, 2992 freq % 1000, 2993 (spi->ppr_options & MSG_EXT_PPR_DT_REQ) != 0 2994 ? " DT" : "", 2995 spi->sync_offset); 2996 } 2997 if ((spi->valid & CTS_SPI_VALID_BUS_WIDTH) != 0 2998 && spi->bus_width > 0) { 2999 if (freq != 0) { 3000 printf(", "); 3001 } else { 3002 printf(" ("); 3003 } 3004 printf("%dbit)", 8 * (0x01 << spi->bus_width)); 3005 } else if (freq != 0) { 3006 printf(")"); 3007 } 3008 } 3009 if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_FC) { 3010 struct ccb_trans_settings_fc *fc; 3011 3012 fc = &cts.xport_specific.fc; 3013 if (fc->valid & CTS_FC_VALID_WWNN) 3014 printf(" WWNN 0x%llx", (long long) fc->wwnn); 3015 if (fc->valid & CTS_FC_VALID_WWPN) 3016 printf(" WWPN 0x%llx", (long long) fc->wwpn); 3017 if (fc->valid & CTS_FC_VALID_PORT) 3018 printf(" PortID 0x%x", fc->port); 3019 } 3020 printf("\n"); 3021 } 3022 3023