1 /* 2 * Implementation of SCSI Direct Access Peripheral driver for CAM. 3 * 4 * Copyright (c) 1997 Justin T. Gibbs. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions, and the following disclaimer, 12 * without modification, immediately at the beginning of the file. 13 * 2. The name of the author may not be used to endorse or promote products 14 * derived from this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 20 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 #include <sys/cdefs.h> 30 __FBSDID("$FreeBSD$"); 31 32 #ifdef _KERNEL 33 #include "opt_hw_wdog.h" 34 #endif /* _KERNEL */ 35 36 #include <sys/param.h> 37 38 #ifdef _KERNEL 39 #include <sys/systm.h> 40 #include <sys/kernel.h> 41 #include <sys/bio.h> 42 #include <sys/sysctl.h> 43 #endif /* _KERNEL */ 44 45 #include <sys/devicestat.h> 46 #include <sys/conf.h> 47 #include <sys/eventhandler.h> 48 #include <sys/malloc.h> 49 #include <sys/cons.h> 50 51 #include <machine/md_var.h> 52 53 #include <vm/vm.h> 54 #include <vm/pmap.h> 55 56 #include <geom/geom_disk.h> 57 58 #ifndef _KERNEL 59 #include <stdio.h> 60 #include <string.h> 61 #endif /* _KERNEL */ 62 63 #include <cam/cam.h> 64 #include <cam/cam_ccb.h> 65 #include <cam/cam_periph.h> 66 #include <cam/cam_xpt_periph.h> 67 68 #include <cam/scsi/scsi_message.h> 69 70 #ifndef _KERNEL 71 #include <cam/scsi/scsi_da.h> 72 #endif /* !_KERNEL */ 73 74 #ifdef _KERNEL 75 typedef enum { 76 DA_STATE_PROBE, 77 DA_STATE_PROBE2, 78 DA_STATE_NORMAL 79 } da_state; 80 81 typedef enum { 82 DA_FLAG_PACK_INVALID = 0x001, 83 DA_FLAG_NEW_PACK = 0x002, 84 DA_FLAG_PACK_LOCKED = 0x004, 85 DA_FLAG_PACK_REMOVABLE = 0x008, 86 DA_FLAG_TAGGED_QUEUING = 0x010, 87 DA_FLAG_NEED_OTAG = 0x020, 88 DA_FLAG_WENT_IDLE = 0x040, 89 DA_FLAG_RETRY_UA = 0x080, 90 DA_FLAG_OPEN = 0x100 91 } da_flags; 92 93 typedef enum { 94 DA_Q_NONE = 0x00, 95 DA_Q_NO_SYNC_CACHE = 0x01, 96 DA_Q_NO_6_BYTE = 0x02 97 } da_quirks; 98 99 typedef enum { 100 DA_CCB_PROBE = 0x01, 101 DA_CCB_PROBE2 = 0x02, 102 DA_CCB_BUFFER_IO = 0x03, 103 DA_CCB_WAITING = 0x04, 104 DA_CCB_DUMP = 0x05, 105 DA_CCB_TYPE_MASK = 0x0F, 106 DA_CCB_RETRY_UA = 0x10 107 } da_ccb_state; 108 109 /* Offsets into our private area for storing information */ 110 #define ccb_state ppriv_field0 111 #define ccb_bp ppriv_ptr1 112 113 struct disk_params { 114 u_int8_t heads; 115 u_int32_t cylinders; 116 u_int8_t secs_per_track; 117 u_int32_t secsize; /* Number of bytes/sector */ 118 u_int64_t sectors; /* total number sectors */ 119 }; 120 121 struct da_softc { 122 struct bio_queue_head bio_queue; 123 SLIST_ENTRY(da_softc) links; 124 LIST_HEAD(, ccb_hdr) pending_ccbs; 125 da_state state; 126 da_flags flags; 127 da_quirks quirks; 128 int minimum_cmd_size; 129 int ordered_tag_count; 130 int outstanding_cmds; 131 struct disk_params params; 132 struct disk disk; 133 union ccb saved_ccb; 134 struct sysctl_ctx_list sysctl_ctx; 135 struct sysctl_oid *sysctl_tree; 136 }; 137 138 struct da_quirk_entry { 139 struct scsi_inquiry_pattern inq_pat; 140 da_quirks quirks; 141 }; 142 143 static const char quantum[] = "QUANTUM"; 144 static const char microp[] = "MICROP"; 145 146 static struct da_quirk_entry da_quirk_table[] = 147 { 148 /* 149 * Logitec USB/Firewire LHD-P30FU 150 */ 151 { 152 /* USB part */ 153 {T_DIRECT, SIP_MEDIA_FIXED, "HITACHI_", "DK23DA*", "*"}, 154 /*quirks*/ DA_Q_NO_6_BYTE 155 }, 156 { 157 /* Firewire part */ 158 {T_DIRECT, SIP_MEDIA_FIXED, "LSILogic", "SYM13FW*", "*"}, 159 /*quirks*/ DA_Q_NO_6_BYTE 160 }, 161 { 162 /* 163 * Fujitsu M2513A MO drives. 164 * Tested devices: M2513A2 firmware versions 1200 & 1300. 165 * (dip switch selects whether T_DIRECT or T_OPTICAL device) 166 * Reported by: W.Scholten <whs@xs4all.nl> 167 */ 168 {T_DIRECT, SIP_MEDIA_REMOVABLE, "FUJITSU", "M2513A", "*"}, 169 /*quirks*/ DA_Q_NO_SYNC_CACHE 170 }, 171 { 172 /* See above. */ 173 {T_OPTICAL, SIP_MEDIA_REMOVABLE, "FUJITSU", "M2513A", "*"}, 174 /*quirks*/ DA_Q_NO_SYNC_CACHE 175 }, 176 { 177 /* 178 * This particular Fujitsu drive doesn't like the 179 * synchronize cache command. 180 * Reported by: Tom Jackson <toj@gorilla.net> 181 */ 182 {T_DIRECT, SIP_MEDIA_FIXED, "FUJITSU", "M2954*", "*"}, 183 /*quirks*/ DA_Q_NO_SYNC_CACHE 184 185 }, 186 { 187 /* 188 * This drive doesn't like the synchronize cache command 189 * either. Reported by: Matthew Jacob <mjacob@feral.com> 190 * in NetBSD PR kern/6027, August 24, 1998. 191 */ 192 {T_DIRECT, SIP_MEDIA_FIXED, microp, "2217*", "*"}, 193 /*quirks*/ DA_Q_NO_SYNC_CACHE 194 }, 195 { 196 /* 197 * This drive doesn't like the synchronize cache command 198 * either. Reported by: Hellmuth Michaelis (hm@kts.org) 199 * (PR 8882). 200 */ 201 {T_DIRECT, SIP_MEDIA_FIXED, microp, "2112*", "*"}, 202 /*quirks*/ DA_Q_NO_SYNC_CACHE 203 }, 204 { 205 /* 206 * Doesn't like the synchronize cache command. 207 * Reported by: Blaz Zupan <blaz@gold.amis.net> 208 */ 209 {T_DIRECT, SIP_MEDIA_FIXED, "NEC", "D3847*", "*"}, 210 /*quirks*/ DA_Q_NO_SYNC_CACHE 211 }, 212 { 213 /* 214 * Doesn't like the synchronize cache command. 215 */ 216 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "MAVERICK 540S", "*"}, 217 /*quirks*/ DA_Q_NO_SYNC_CACHE 218 }, 219 { 220 /* 221 * Doesn't like the synchronize cache command. 222 */ 223 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "LPS525S", "*"}, 224 /*quirks*/ DA_Q_NO_SYNC_CACHE 225 }, 226 { 227 /* 228 * Doesn't work correctly with 6 byte reads/writes. 229 * Returns illegal request, and points to byte 9 of the 230 * 6-byte CDB. 231 * Reported by: Adam McDougall <bsdx@spawnet.com> 232 */ 233 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "VIKING 4*", "*"}, 234 /*quirks*/ DA_Q_NO_6_BYTE 235 }, 236 { 237 /* 238 * See above. 239 */ 240 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "VIKING 2*", "*"}, 241 /*quirks*/ DA_Q_NO_6_BYTE 242 }, 243 244 /* Below a list of quirks for USB devices supported by umass. */ 245 { 246 /* 247 * This USB floppy drive uses the UFI command set. This 248 * command set is a derivative of the ATAPI command set and 249 * does not support READ_6 commands only READ_10. It also does 250 * not support sync cache (0x35). 251 */ 252 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Y-E DATA", "USB-FDU", "*"}, 253 /*quirks*/ DA_Q_NO_6_BYTE|DA_Q_NO_SYNC_CACHE 254 }, 255 { 256 /* Another USB floppy */ 257 {T_DIRECT, SIP_MEDIA_REMOVABLE, "MATSHITA", "FDD CF-VFDU*","*"}, 258 /*quirks*/ DA_Q_NO_6_BYTE|DA_Q_NO_SYNC_CACHE 259 }, 260 { 261 /* 262 * Sony Memory Stick adapter MSAC-US1 and 263 * Sony PCG-C1VJ Internal Memory Stick Slot (MSC-U01). 264 * Make all sony MS* products use this quirk. 265 */ 266 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Sony", "MS*", "*"}, 267 /*quirks*/ DA_Q_NO_6_BYTE|DA_Q_NO_SYNC_CACHE 268 }, 269 { 270 /* 271 * Sony Memory Stick adapter for the CLIE series 272 * of PalmOS PDA's 273 */ 274 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Sony", "CLIE*", "*"}, 275 /*quirks*/ DA_Q_NO_6_BYTE|DA_Q_NO_SYNC_CACHE 276 }, 277 { 278 /* 279 * Intelligent Stick USB disk-on-key 280 * PR: kern/53005 281 */ 282 {T_DIRECT, SIP_MEDIA_REMOVABLE, "USB Card", "IntelligentStick*", "*"}, 283 /*quirks*/ DA_Q_NO_6_BYTE|DA_Q_NO_SYNC_CACHE 284 }, 285 { 286 /* 287 * Sony DSC cameras (DSC-S30, DSC-S50, DSC-S70) 288 */ 289 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Sony", "Sony DSC", "*"}, 290 /*quirks*/ DA_Q_NO_6_BYTE|DA_Q_NO_SYNC_CACHE 291 }, 292 { 293 /* 294 * Maxtor 3000LE USB Drive 295 */ 296 {T_DIRECT, SIP_MEDIA_FIXED, "MAXTOR*", "K040H2*", "*"}, 297 /*quirks*/ DA_Q_NO_6_BYTE 298 }, 299 { 300 /* 301 * LaCie USB drive, among others 302 */ 303 {T_DIRECT, SIP_MEDIA_FIXED, "Maxtor*", "D080H4*", "*"}, 304 /*quirks*/ DA_Q_NO_6_BYTE 305 }, 306 { 307 {T_OPTICAL, SIP_MEDIA_REMOVABLE, "FUJITSU", "MCF3064AP", "*"}, 308 /*quirks*/ DA_Q_NO_6_BYTE 309 }, 310 { 311 /* 312 * Microtech USB CameraMate 313 */ 314 {T_DIRECT, SIP_MEDIA_REMOVABLE, "eUSB Compact*", 315 "Compact Flash*", "*"}, 316 /*quirks*/ DA_Q_NO_6_BYTE|DA_Q_NO_SYNC_CACHE 317 }, 318 { 319 /* 320 * The vendor, product and version strings coming from the 321 * controller are null terminated instead of being padded with 322 * spaces. The trailing wildcard character '*' is required. 323 */ 324 {T_DIRECT, SIP_MEDIA_REMOVABLE, "SMSC*", "USB FDC*","*"}, 325 /*quirks*/ DA_Q_NO_6_BYTE|DA_Q_NO_SYNC_CACHE 326 }, 327 { 328 /* 329 * Olympus digital cameras (C-3040ZOOM, C-2040ZOOM, C-1) 330 */ 331 {T_DIRECT, SIP_MEDIA_REMOVABLE, "OLYMPUS", "C-*", "*"}, 332 /*quirks*/ DA_Q_NO_6_BYTE|DA_Q_NO_SYNC_CACHE 333 }, 334 { 335 /* 336 * Olympus digital cameras (D-370) 337 */ 338 {T_DIRECT, SIP_MEDIA_REMOVABLE, "OLYMPUS", "D-*", "*"}, 339 /*quirks*/ DA_Q_NO_6_BYTE 340 }, 341 { 342 /* 343 * Olympus digital cameras (E-100RS, E-10). 344 */ 345 {T_DIRECT, SIP_MEDIA_REMOVABLE, "OLYMPUS", "E-*", "*"}, 346 /*quirks*/ DA_Q_NO_6_BYTE|DA_Q_NO_SYNC_CACHE 347 }, 348 { 349 /* 350 * KingByte Pen Drives 351 */ 352 {T_DIRECT, SIP_MEDIA_REMOVABLE, "NO BRAND", "PEN DRIVE", "*"}, 353 /*quirks*/ DA_Q_NO_6_BYTE|DA_Q_NO_SYNC_CACHE 354 }, 355 { 356 /* 357 * FujiFilm Camera 358 */ 359 {T_DIRECT, SIP_MEDIA_REMOVABLE, "FUJIFILMUSB-DRIVEUNIT", 360 "USB-DRIVEUNIT", "*"}, 361 /*quirks*/ DA_Q_NO_6_BYTE|DA_Q_NO_SYNC_CACHE 362 }, 363 { 364 /* 365 * Nikon Coolpix E775/E995 Cameras 366 */ 367 {T_DIRECT, SIP_MEDIA_REMOVABLE, "NIKON", "NIKON DSC E*", "*"}, 368 /*quirks*/ DA_Q_NO_6_BYTE 369 }, 370 { 371 /* 372 * Nikon Coolpix E885 Camera 373 */ 374 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Nikon", "Digital Camera", "*"}, 375 /*quirks*/ DA_Q_NO_6_BYTE 376 }, 377 { 378 /* 379 * SimpleTech FlashLink UCF-100 380 */ 381 {T_DIRECT, SIP_MEDIA_REMOVABLE, "OEI-USB", "CompactFlash", "*"}, 382 /*quirks*/ DA_Q_NO_6_BYTE 383 }, 384 { 385 /* 386 * Minolta Dimage 2330 387 */ 388 {T_DIRECT, SIP_MEDIA_REMOVABLE, "MINOLTA", "DIMAGE 2330*", "*"}, 389 /*quirks*/ DA_Q_NO_6_BYTE 390 }, 391 { 392 /* 393 * Minolta Dimage E203 394 */ 395 {T_DIRECT, SIP_MEDIA_REMOVABLE, "MINOLTA", "DiMAGE E203", "*"}, 396 /*quirks*/ DA_Q_NO_6_BYTE|DA_Q_NO_SYNC_CACHE 397 }, 398 { 399 /* 400 * DIVA USB Mp3 Player. 401 * PR: kern/33638 402 */ 403 {T_DIRECT, SIP_MEDIA_REMOVABLE, "DIVA USB", "Media Reader","*"}, 404 /*quirks*/ DA_Q_NO_6_BYTE 405 }, 406 { 407 /* 408 * Daisy Technology PhotoClip USB Camera 409 */ 410 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Digital", "World DMC","*"}, 411 /*quirks*/ DA_Q_NO_6_BYTE 412 }, 413 { 414 /* 415 * Apacer HandyDrive 416 * PR: kern/43627 417 */ 418 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Apacer", "HandyDrive", "*"}, 419 /*quirks*/ DA_Q_NO_6_BYTE|DA_Q_NO_SYNC_CACHE 420 }, 421 { 422 /* 423 * Daisy Technology PhotoClip on Zoran chip 424 * PR: kern/43580 425 */ 426 {T_DIRECT, SIP_MEDIA_REMOVABLE, "ZORAN", "COACH", "*"}, 427 /*quirks*/ DA_Q_NO_6_BYTE|DA_Q_NO_SYNC_CACHE 428 }, 429 { 430 /* 431 * HP 315 Digital Camera 432 * PR: kern/41010 433 */ 434 {T_DIRECT, SIP_MEDIA_REMOVABLE, "HP", "USB CAMERA", "*"}, 435 /*quirks*/ DA_Q_NO_6_BYTE 436 }, 437 { 438 /* 439 * Fujitsu-Siemens Memorybird pen drive 440 * PR: kern/34712 441 */ 442 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Fujitsu", "Memorybird", "*"}, 443 /*quirks*/ DA_Q_NO_6_BYTE 444 }, 445 { 446 /* 447 * Sony USB Key-Storage 448 * PR: kern/46386 449 */ 450 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Sony", "Storage Media", "*"}, 451 /*quirks*/ DA_Q_NO_6_BYTE|DA_Q_NO_SYNC_CACHE 452 }, 453 { 454 /* 455 * Lexar Media Jumpdrive 456 * PR: kern/47006 457 */ 458 {T_DIRECT, SIP_MEDIA_REMOVABLE, "LEXAR", "DIGITAL FILM", "*"}, 459 /*quirks*/ DA_Q_NO_6_BYTE 460 }, 461 { 462 /* 463 * Pentax USB Optio 230 camera 464 * PR: kern/46369 465 */ 466 {T_DIRECT, SIP_MEDIA_REMOVABLE, 467 "PENTAX", "DIGITAL_CAMERA", "*"}, 468 /*quirks*/ DA_Q_NO_6_BYTE 469 }, 470 { 471 /* 472 * Casio QV-R3 USB camera (uses Pentax chip as above) 473 * PR: kern/46545 474 */ 475 {T_DIRECT, SIP_MEDIA_REMOVABLE, 476 "CASIO", "DIGITAL_CAMERA", "*"}, 477 /*quirks*/ DA_Q_NO_6_BYTE 478 }, 479 { 480 /* 481 * M-Systems DiskOnKey USB flash key 482 * PR: kern/47793 483 */ 484 {T_DIRECT, SIP_MEDIA_REMOVABLE, "M-Sys", "DiskOnKey", "*"}, 485 /*quirks*/ DA_Q_NO_6_BYTE 486 }, 487 { 488 /* 489 * SanDisk ImageMate (I, II, ...) compact flash 490 * PR: kern/47877 491 */ 492 {T_DIRECT, SIP_MEDIA_REMOVABLE, "SanDisk", "ImageMate*", "*"}, 493 /*quirks*/ DA_Q_NO_6_BYTE 494 }, 495 { 496 /* 497 * Feiya "slider" dual-slot flash reader. The vendor field 498 * is blank so this may match other devices. 499 * PR: kern/50020 500 */ 501 {T_DIRECT, SIP_MEDIA_REMOVABLE, "", "USB CARD READER", "*"}, 502 /*quirks*/ DA_Q_NO_6_BYTE 503 }, 504 { 505 /* 506 * SmartDisk (Mitsumi) USB floppy drive 507 * PR: kern/50226 508 */ 509 {T_DIRECT, SIP_MEDIA_REMOVABLE, "MITSUMI", "USB FDD", "*"}, 510 /*quirks*/ DA_Q_NO_6_BYTE|DA_Q_NO_SYNC_CACHE 511 }, 512 { 513 /* 514 * OTi USB Flash Key 515 * PR: kern/51825 516 */ 517 {T_DIRECT, SIP_MEDIA_REMOVABLE, "OTi", "Flash Disk", "*"}, 518 /*quirks*/ DA_Q_NO_6_BYTE 519 } 520 }; 521 522 static disk_strategy_t dastrategy; 523 static dumper_t dadump; 524 static periph_init_t dainit; 525 static void daasync(void *callback_arg, u_int32_t code, 526 struct cam_path *path, void *arg); 527 static int dacmdsizesysctl(SYSCTL_HANDLER_ARGS); 528 static periph_ctor_t daregister; 529 static periph_dtor_t dacleanup; 530 static periph_start_t dastart; 531 static periph_oninv_t daoninvalidate; 532 static void dadone(struct cam_periph *periph, 533 union ccb *done_ccb); 534 static int daerror(union ccb *ccb, u_int32_t cam_flags, 535 u_int32_t sense_flags); 536 static void daprevent(struct cam_periph *periph, int action); 537 static int dagetcapacity(struct cam_periph *periph); 538 static void dasetgeom(struct cam_periph *periph, uint32_t block_len, 539 uint64_t maxsector); 540 static timeout_t dasendorderedtag; 541 static void dashutdown(void *arg, int howto); 542 543 #ifndef DA_DEFAULT_TIMEOUT 544 #define DA_DEFAULT_TIMEOUT 60 /* Timeout in seconds */ 545 #endif 546 547 #ifndef DA_DEFAULT_RETRY 548 #define DA_DEFAULT_RETRY 4 549 #endif 550 551 static int da_retry_count = DA_DEFAULT_RETRY; 552 static int da_default_timeout = DA_DEFAULT_TIMEOUT; 553 554 SYSCTL_NODE(_kern_cam, OID_AUTO, da, CTLFLAG_RD, 0, 555 "CAM Direct Access Disk driver"); 556 SYSCTL_INT(_kern_cam_da, OID_AUTO, retry_count, CTLFLAG_RW, 557 &da_retry_count, 0, "Normal I/O retry count"); 558 TUNABLE_INT("kern.cam.da.retry_count", &da_retry_count); 559 SYSCTL_INT(_kern_cam_da, OID_AUTO, default_timeout, CTLFLAG_RW, 560 &da_default_timeout, 0, "Normal I/O timeout (in seconds)"); 561 TUNABLE_INT("kern.cam.da.default_timeout", &da_default_timeout); 562 563 /* 564 * DA_ORDEREDTAG_INTERVAL determines how often, relative 565 * to the default timeout, we check to see whether an ordered 566 * tagged transaction is appropriate to prevent simple tag 567 * starvation. Since we'd like to ensure that there is at least 568 * 1/2 of the timeout length left for a starved transaction to 569 * complete after we've sent an ordered tag, we must poll at least 570 * four times in every timeout period. This takes care of the worst 571 * case where a starved transaction starts during an interval that 572 * meets the requirement "don't send an ordered tag" test so it takes 573 * us two intervals to determine that a tag must be sent. 574 */ 575 #ifndef DA_ORDEREDTAG_INTERVAL 576 #define DA_ORDEREDTAG_INTERVAL 4 577 #endif 578 579 static struct periph_driver dadriver = 580 { 581 dainit, "da", 582 TAILQ_HEAD_INITIALIZER(dadriver.units), /* generation */ 0 583 }; 584 585 PERIPHDRIVER_DECLARE(da, dadriver); 586 587 static SLIST_HEAD(,da_softc) softc_list; 588 589 static int 590 daopen(struct disk *dp) 591 { 592 struct cam_periph *periph; 593 struct da_softc *softc; 594 int unit; 595 int error; 596 int s; 597 598 s = splsoftcam(); 599 periph = (struct cam_periph *)dp->d_drv1; 600 unit = periph->unit_number; 601 if (periph == NULL) { 602 splx(s); 603 return (ENXIO); 604 } 605 606 softc = (struct da_softc *)periph->softc; 607 608 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 609 ("daopen: disk=%s%d (unit %d)\n", dp->d_name, dp->d_unit, 610 unit)); 611 612 if ((error = cam_periph_lock(periph, PRIBIO|PCATCH)) != 0) 613 return (error); /* error code from tsleep */ 614 615 if (cam_periph_acquire(periph) != CAM_REQ_CMP) 616 return(ENXIO); 617 softc->flags |= DA_FLAG_OPEN; 618 619 if ((softc->flags & DA_FLAG_PACK_INVALID) != 0) { 620 /* Invalidate our pack information. */ 621 softc->flags &= ~DA_FLAG_PACK_INVALID; 622 } 623 splx(s); 624 625 error = dagetcapacity(periph); 626 627 if (error == 0) { 628 629 softc->disk.d_sectorsize = softc->params.secsize; 630 softc->disk.d_mediasize = softc->params.secsize * (off_t)softc->params.sectors; 631 /* XXX: these are not actually "firmware" values, so they may be wrong */ 632 softc->disk.d_fwsectors = softc->params.secs_per_track; 633 softc->disk.d_fwheads = softc->params.heads; 634 softc->disk.d_devstat->block_size = softc->params.secsize; 635 softc->disk.d_devstat->flags &= ~DEVSTAT_BS_UNAVAILABLE; 636 } 637 638 if (error == 0) { 639 if ((softc->flags & DA_FLAG_PACK_REMOVABLE) != 0) 640 daprevent(periph, PR_PREVENT); 641 } else { 642 softc->flags &= ~DA_FLAG_OPEN; 643 cam_periph_release(periph); 644 } 645 cam_periph_unlock(periph); 646 return (error); 647 } 648 649 static int 650 daclose(struct disk *dp) 651 { 652 struct cam_periph *periph; 653 struct da_softc *softc; 654 int error; 655 656 periph = (struct cam_periph *)dp->d_drv1; 657 if (periph == NULL) 658 return (ENXIO); 659 660 softc = (struct da_softc *)periph->softc; 661 662 if ((error = cam_periph_lock(periph, PRIBIO)) != 0) { 663 return (error); /* error code from tsleep */ 664 } 665 666 if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) { 667 union ccb *ccb; 668 669 ccb = cam_periph_getccb(periph, /*priority*/1); 670 671 scsi_synchronize_cache(&ccb->csio, 672 /*retries*/1, 673 /*cbfcnp*/dadone, 674 MSG_SIMPLE_Q_TAG, 675 /*begin_lba*/0,/* Cover the whole disk */ 676 /*lb_count*/0, 677 SSD_FULL_SIZE, 678 5 * 60 * 1000); 679 680 cam_periph_runccb(ccb, /*error_routine*/NULL, /*cam_flags*/0, 681 /*sense_flags*/SF_RETRY_UA, 682 softc->disk.d_devstat); 683 684 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 685 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == 686 CAM_SCSI_STATUS_ERROR) { 687 int asc, ascq; 688 int sense_key, error_code; 689 690 scsi_extract_sense(&ccb->csio.sense_data, 691 &error_code, 692 &sense_key, 693 &asc, &ascq); 694 if (sense_key != SSD_KEY_ILLEGAL_REQUEST) 695 scsi_sense_print(&ccb->csio); 696 } else { 697 xpt_print_path(periph->path); 698 printf("Synchronize cache failed, status " 699 "== 0x%x, scsi status == 0x%x\n", 700 ccb->csio.ccb_h.status, 701 ccb->csio.scsi_status); 702 } 703 } 704 705 if ((ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 706 cam_release_devq(ccb->ccb_h.path, 707 /*relsim_flags*/0, 708 /*reduction*/0, 709 /*timeout*/0, 710 /*getcount_only*/0); 711 712 xpt_release_ccb(ccb); 713 714 } 715 716 if ((softc->flags & DA_FLAG_PACK_REMOVABLE) != 0) { 717 daprevent(periph, PR_ALLOW); 718 /* 719 * If we've got removeable media, mark the blocksize as 720 * unavailable, since it could change when new media is 721 * inserted. 722 */ 723 softc->disk.d_devstat->flags |= DEVSTAT_BS_UNAVAILABLE; 724 } 725 726 softc->flags &= ~DA_FLAG_OPEN; 727 cam_periph_unlock(periph); 728 cam_periph_release(periph); 729 return (0); 730 } 731 732 /* 733 * Actually translate the requested transfer into one the physical driver 734 * can understand. The transfer is described by a buf and will include 735 * only one physical transfer. 736 */ 737 static void 738 dastrategy(struct bio *bp) 739 { 740 struct cam_periph *periph; 741 struct da_softc *softc; 742 int s; 743 744 periph = (struct cam_periph *)bp->bio_disk->d_drv1; 745 if (periph == NULL) { 746 biofinish(bp, NULL, ENXIO); 747 return; 748 } 749 softc = (struct da_softc *)periph->softc; 750 #if 0 751 /* 752 * check it's not too big a transfer for our adapter 753 */ 754 scsi_minphys(bp,&sd_switch); 755 #endif 756 757 /* 758 * Mask interrupts so that the pack cannot be invalidated until 759 * after we are in the queue. Otherwise, we might not properly 760 * clean up one of the buffers. 761 */ 762 s = splbio(); 763 764 /* 765 * If the device has been made invalid, error out 766 */ 767 if ((softc->flags & DA_FLAG_PACK_INVALID)) { 768 splx(s); 769 biofinish(bp, NULL, ENXIO); 770 return; 771 } 772 773 /* 774 * Place it in the queue of disk activities for this disk 775 */ 776 bioq_disksort(&softc->bio_queue, bp); 777 778 splx(s); 779 780 /* 781 * Schedule ourselves for performing the work. 782 */ 783 xpt_schedule(periph, /* XXX priority */1); 784 785 return; 786 } 787 788 static int 789 dadump(void *arg, void *virtual, vm_offset_t physical, off_t offset, size_t length) 790 { 791 struct cam_periph *periph; 792 struct da_softc *softc; 793 u_int secsize; 794 struct ccb_scsiio csio; 795 struct disk *dp; 796 797 dp = arg; 798 periph = dp->d_drv1; 799 if (periph == NULL) 800 return (ENXIO); 801 softc = (struct da_softc *)periph->softc; 802 secsize = softc->params.secsize; 803 804 if ((softc->flags & DA_FLAG_PACK_INVALID) != 0) 805 return (ENXIO); 806 807 if (length > 0) { 808 xpt_setup_ccb(&csio.ccb_h, periph->path, /*priority*/1); 809 csio.ccb_h.ccb_state = DA_CCB_DUMP; 810 scsi_read_write(&csio, 811 /*retries*/1, 812 dadone, 813 MSG_ORDERED_Q_TAG, 814 /*read*/FALSE, 815 /*byte2*/0, 816 /*minimum_cmd_size*/ softc->minimum_cmd_size, 817 offset / secsize, 818 length / secsize, 819 /*data_ptr*/(u_int8_t *) virtual, 820 /*dxfer_len*/length, 821 /*sense_len*/SSD_FULL_SIZE, 822 DA_DEFAULT_TIMEOUT * 1000); 823 xpt_polled_action((union ccb *)&csio); 824 825 if ((csio.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 826 printf("Aborting dump due to I/O error.\n"); 827 if ((csio.ccb_h.status & CAM_STATUS_MASK) == 828 CAM_SCSI_STATUS_ERROR) 829 scsi_sense_print(&csio); 830 else 831 printf("status == 0x%x, scsi status == 0x%x\n", 832 csio.ccb_h.status, csio.scsi_status); 833 return(EIO); 834 } 835 return(0); 836 } 837 838 /* 839 * Sync the disk cache contents to the physical media. 840 */ 841 if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) { 842 843 xpt_setup_ccb(&csio.ccb_h, periph->path, /*priority*/1); 844 csio.ccb_h.ccb_state = DA_CCB_DUMP; 845 scsi_synchronize_cache(&csio, 846 /*retries*/1, 847 /*cbfcnp*/dadone, 848 MSG_SIMPLE_Q_TAG, 849 /*begin_lba*/0,/* Cover the whole disk */ 850 /*lb_count*/0, 851 SSD_FULL_SIZE, 852 5 * 60 * 1000); 853 xpt_polled_action((union ccb *)&csio); 854 855 if ((csio.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 856 if ((csio.ccb_h.status & CAM_STATUS_MASK) == 857 CAM_SCSI_STATUS_ERROR) { 858 int asc, ascq; 859 int sense_key, error_code; 860 861 scsi_extract_sense(&csio.sense_data, 862 &error_code, 863 &sense_key, 864 &asc, &ascq); 865 if (sense_key != SSD_KEY_ILLEGAL_REQUEST) 866 scsi_sense_print(&csio); 867 } else { 868 xpt_print_path(periph->path); 869 printf("Synchronize cache failed, status " 870 "== 0x%x, scsi status == 0x%x\n", 871 csio.ccb_h.status, csio.scsi_status); 872 } 873 } 874 } 875 return (0); 876 } 877 878 static void 879 dainit(void) 880 { 881 cam_status status; 882 struct cam_path *path; 883 884 SLIST_INIT(&softc_list); 885 886 /* 887 * Install a global async callback. This callback will 888 * receive async callbacks like "new device found". 889 */ 890 status = xpt_create_path(&path, /*periph*/NULL, CAM_XPT_PATH_ID, 891 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD); 892 893 if (status == CAM_REQ_CMP) { 894 struct ccb_setasync csa; 895 896 xpt_setup_ccb(&csa.ccb_h, path, /*priority*/5); 897 csa.ccb_h.func_code = XPT_SASYNC_CB; 898 csa.event_enable = AC_FOUND_DEVICE; 899 csa.callback = daasync; 900 csa.callback_arg = NULL; 901 xpt_action((union ccb *)&csa); 902 status = csa.ccb_h.status; 903 xpt_free_path(path); 904 } 905 906 if (status != CAM_REQ_CMP) { 907 printf("da: Failed to attach master async callback " 908 "due to status 0x%x!\n", status); 909 } else { 910 911 /* 912 * Schedule a periodic event to occasionally send an 913 * ordered tag to a device. 914 */ 915 timeout(dasendorderedtag, NULL, 916 (DA_DEFAULT_TIMEOUT * hz) / DA_ORDEREDTAG_INTERVAL); 917 918 /* Register our shutdown event handler */ 919 if ((EVENTHANDLER_REGISTER(shutdown_post_sync, dashutdown, 920 NULL, SHUTDOWN_PRI_DEFAULT)) == NULL) 921 printf("dainit: shutdown event registration failed!\n"); 922 } 923 } 924 925 static void 926 daoninvalidate(struct cam_periph *periph) 927 { 928 int s; 929 struct da_softc *softc; 930 struct ccb_setasync csa; 931 932 softc = (struct da_softc *)periph->softc; 933 934 /* 935 * De-register any async callbacks. 936 */ 937 xpt_setup_ccb(&csa.ccb_h, periph->path, 938 /* priority */ 5); 939 csa.ccb_h.func_code = XPT_SASYNC_CB; 940 csa.event_enable = 0; 941 csa.callback = daasync; 942 csa.callback_arg = periph; 943 xpt_action((union ccb *)&csa); 944 945 softc->flags |= DA_FLAG_PACK_INVALID; 946 947 /* 948 * Although the oninvalidate() routines are always called at 949 * splsoftcam, we need to be at splbio() here to keep the buffer 950 * queue from being modified while we traverse it. 951 */ 952 s = splbio(); 953 954 /* 955 * Return all queued I/O with ENXIO. 956 * XXX Handle any transactions queued to the card 957 * with XPT_ABORT_CCB. 958 */ 959 bioq_flush(&softc->bio_queue, NULL, ENXIO); 960 splx(s); 961 962 SLIST_REMOVE(&softc_list, softc, da_softc, links); 963 964 xpt_print_path(periph->path); 965 printf("lost device\n"); 966 } 967 968 static void 969 dacleanup(struct cam_periph *periph) 970 { 971 struct da_softc *softc; 972 973 softc = (struct da_softc *)periph->softc; 974 975 xpt_print_path(periph->path); 976 printf("removing device entry\n"); 977 /* 978 * If we can't free the sysctl tree, oh well... 979 */ 980 if (sysctl_ctx_free(&softc->sysctl_ctx) != 0) { 981 xpt_print_path(periph->path); 982 printf("can't remove sysctl context\n"); 983 } 984 disk_destroy(&softc->disk); 985 free(softc, M_DEVBUF); 986 } 987 988 static void 989 daasync(void *callback_arg, u_int32_t code, 990 struct cam_path *path, void *arg) 991 { 992 struct cam_periph *periph; 993 994 periph = (struct cam_periph *)callback_arg; 995 switch (code) { 996 case AC_FOUND_DEVICE: 997 { 998 struct ccb_getdev *cgd; 999 cam_status status; 1000 1001 cgd = (struct ccb_getdev *)arg; 1002 if (cgd == NULL) 1003 break; 1004 1005 if (SID_TYPE(&cgd->inq_data) != T_DIRECT 1006 && SID_TYPE(&cgd->inq_data) != T_RBC 1007 && SID_TYPE(&cgd->inq_data) != T_OPTICAL) 1008 break; 1009 1010 /* 1011 * Allocate a peripheral instance for 1012 * this device and start the probe 1013 * process. 1014 */ 1015 status = cam_periph_alloc(daregister, daoninvalidate, 1016 dacleanup, dastart, 1017 "da", CAM_PERIPH_BIO, 1018 cgd->ccb_h.path, daasync, 1019 AC_FOUND_DEVICE, cgd); 1020 1021 if (status != CAM_REQ_CMP 1022 && status != CAM_REQ_INPROG) 1023 printf("daasync: Unable to attach to new device " 1024 "due to status 0x%x\n", status); 1025 break; 1026 } 1027 case AC_SENT_BDR: 1028 case AC_BUS_RESET: 1029 { 1030 struct da_softc *softc; 1031 struct ccb_hdr *ccbh; 1032 int s; 1033 1034 softc = (struct da_softc *)periph->softc; 1035 s = splsoftcam(); 1036 /* 1037 * Don't fail on the expected unit attention 1038 * that will occur. 1039 */ 1040 softc->flags |= DA_FLAG_RETRY_UA; 1041 LIST_FOREACH(ccbh, &softc->pending_ccbs, periph_links.le) 1042 ccbh->ccb_state |= DA_CCB_RETRY_UA; 1043 splx(s); 1044 /* FALLTHROUGH*/ 1045 } 1046 default: 1047 cam_periph_async(periph, code, path, arg); 1048 break; 1049 } 1050 } 1051 1052 static int 1053 dacmdsizesysctl(SYSCTL_HANDLER_ARGS) 1054 { 1055 int error, value; 1056 1057 value = *(int *)arg1; 1058 1059 error = sysctl_handle_int(oidp, &value, 0, req); 1060 1061 if ((error != 0) 1062 || (req->newptr == NULL)) 1063 return (error); 1064 1065 /* 1066 * Acceptable values here are 6, 10, 12 or 16. 1067 */ 1068 if (value < 6) 1069 value = 6; 1070 else if ((value > 6) 1071 && (value <= 10)) 1072 value = 10; 1073 else if ((value > 10) 1074 && (value <= 12)) 1075 value = 12; 1076 else if (value > 12) 1077 value = 16; 1078 1079 *(int *)arg1 = value; 1080 1081 return (0); 1082 } 1083 1084 static cam_status 1085 daregister(struct cam_periph *periph, void *arg) 1086 { 1087 int s; 1088 struct da_softc *softc; 1089 struct ccb_setasync csa; 1090 struct ccb_getdev *cgd; 1091 char tmpstr[80], tmpstr2[80]; 1092 caddr_t match; 1093 1094 cgd = (struct ccb_getdev *)arg; 1095 if (periph == NULL) { 1096 printf("daregister: periph was NULL!!\n"); 1097 return(CAM_REQ_CMP_ERR); 1098 } 1099 1100 if (cgd == NULL) { 1101 printf("daregister: no getdev CCB, can't register device\n"); 1102 return(CAM_REQ_CMP_ERR); 1103 } 1104 1105 softc = (struct da_softc *)malloc(sizeof(*softc), M_DEVBUF, 1106 M_NOWAIT|M_ZERO); 1107 1108 if (softc == NULL) { 1109 printf("daregister: Unable to probe new device. " 1110 "Unable to allocate softc\n"); 1111 return(CAM_REQ_CMP_ERR); 1112 } 1113 1114 LIST_INIT(&softc->pending_ccbs); 1115 softc->state = DA_STATE_PROBE; 1116 bioq_init(&softc->bio_queue); 1117 if (SID_IS_REMOVABLE(&cgd->inq_data)) 1118 softc->flags |= DA_FLAG_PACK_REMOVABLE; 1119 if ((cgd->inq_data.flags & SID_CmdQue) != 0) 1120 softc->flags |= DA_FLAG_TAGGED_QUEUING; 1121 1122 periph->softc = softc; 1123 1124 /* 1125 * See if this device has any quirks. 1126 */ 1127 match = cam_quirkmatch((caddr_t)&cgd->inq_data, 1128 (caddr_t)da_quirk_table, 1129 sizeof(da_quirk_table)/sizeof(*da_quirk_table), 1130 sizeof(*da_quirk_table), scsi_inquiry_match); 1131 1132 if (match != NULL) 1133 softc->quirks = ((struct da_quirk_entry *)match)->quirks; 1134 else 1135 softc->quirks = DA_Q_NONE; 1136 1137 snprintf(tmpstr, sizeof(tmpstr), "CAM DA unit %d", periph->unit_number); 1138 snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number); 1139 sysctl_ctx_init(&softc->sysctl_ctx); 1140 softc->sysctl_tree = SYSCTL_ADD_NODE(&softc->sysctl_ctx, 1141 SYSCTL_STATIC_CHILDREN(_kern_cam_da), OID_AUTO, tmpstr2, 1142 CTLFLAG_RD, 0, tmpstr); 1143 if (softc->sysctl_tree == NULL) { 1144 printf("daregister: unable to allocate sysctl tree\n"); 1145 free(softc, M_DEVBUF); 1146 return (CAM_REQ_CMP_ERR); 1147 } 1148 1149 /* 1150 * RBC devices don't have to support READ(6), only READ(10). 1151 */ 1152 if (softc->quirks & DA_Q_NO_6_BYTE || SID_TYPE(&cgd->inq_data) == T_RBC) 1153 softc->minimum_cmd_size = 10; 1154 else 1155 softc->minimum_cmd_size = 6; 1156 1157 /* 1158 * Load the user's default, if any. 1159 */ 1160 snprintf(tmpstr, sizeof(tmpstr), "kern.cam.da.%d.minimum_cmd_size", 1161 periph->unit_number); 1162 TUNABLE_INT_FETCH(tmpstr, &softc->minimum_cmd_size); 1163 1164 /* 1165 * 6, 10, 12 and 16 are the currently permissible values. 1166 */ 1167 if (softc->minimum_cmd_size < 6) 1168 softc->minimum_cmd_size = 6; 1169 else if ((softc->minimum_cmd_size > 6) 1170 && (softc->minimum_cmd_size <= 10)) 1171 softc->minimum_cmd_size = 10; 1172 else if ((softc->minimum_cmd_size > 10) 1173 && (softc->minimum_cmd_size <= 12)) 1174 softc->minimum_cmd_size = 12; 1175 else if (softc->minimum_cmd_size > 12) 1176 softc->minimum_cmd_size = 16; 1177 1178 /* 1179 * Now register the sysctl handler, so the user can the value on 1180 * the fly. 1181 */ 1182 SYSCTL_ADD_PROC(&softc->sysctl_ctx,SYSCTL_CHILDREN(softc->sysctl_tree), 1183 OID_AUTO, "minimum_cmd_size", CTLTYPE_INT | CTLFLAG_RW, 1184 &softc->minimum_cmd_size, 0, dacmdsizesysctl, "I", 1185 "Minimum CDB size"); 1186 1187 /* 1188 * Block our timeout handler while we 1189 * add this softc to the dev list. 1190 */ 1191 s = splsoftclock(); 1192 SLIST_INSERT_HEAD(&softc_list, softc, links); 1193 splx(s); 1194 1195 /* 1196 * Register this media as a disk 1197 */ 1198 1199 softc->disk.d_open = daopen; 1200 softc->disk.d_close = daclose; 1201 softc->disk.d_strategy = dastrategy; 1202 softc->disk.d_dump = dadump; 1203 softc->disk.d_name = "da"; 1204 softc->disk.d_drv1 = periph; 1205 softc->disk.d_maxsize = DFLTPHYS; /* XXX: probably not arbitrary */ 1206 disk_create(periph->unit_number, &softc->disk, 0, NULL, NULL); 1207 1208 /* 1209 * Add async callbacks for bus reset and 1210 * bus device reset calls. I don't bother 1211 * checking if this fails as, in most cases, 1212 * the system will function just fine without 1213 * them and the only alternative would be to 1214 * not attach the device on failure. 1215 */ 1216 xpt_setup_ccb(&csa.ccb_h, periph->path, /*priority*/5); 1217 csa.ccb_h.func_code = XPT_SASYNC_CB; 1218 csa.event_enable = AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE; 1219 csa.callback = daasync; 1220 csa.callback_arg = periph; 1221 xpt_action((union ccb *)&csa); 1222 /* 1223 * Lock this peripheral until we are setup. 1224 * This first call can't block 1225 */ 1226 (void)cam_periph_lock(periph, PRIBIO); 1227 xpt_schedule(periph, /*priority*/5); 1228 1229 return(CAM_REQ_CMP); 1230 } 1231 1232 static void 1233 dastart(struct cam_periph *periph, union ccb *start_ccb) 1234 { 1235 struct da_softc *softc; 1236 1237 softc = (struct da_softc *)periph->softc; 1238 1239 1240 switch (softc->state) { 1241 case DA_STATE_NORMAL: 1242 { 1243 /* Pull a buffer from the queue and get going on it */ 1244 struct bio *bp; 1245 int s; 1246 1247 /* 1248 * See if there is a buf with work for us to do.. 1249 */ 1250 s = splbio(); 1251 bp = bioq_first(&softc->bio_queue); 1252 if (periph->immediate_priority <= periph->pinfo.priority) { 1253 CAM_DEBUG_PRINT(CAM_DEBUG_SUBTRACE, 1254 ("queuing for immediate ccb\n")); 1255 start_ccb->ccb_h.ccb_state = DA_CCB_WAITING; 1256 SLIST_INSERT_HEAD(&periph->ccb_list, &start_ccb->ccb_h, 1257 periph_links.sle); 1258 periph->immediate_priority = CAM_PRIORITY_NONE; 1259 splx(s); 1260 wakeup(&periph->ccb_list); 1261 } else if (bp == NULL) { 1262 splx(s); 1263 xpt_release_ccb(start_ccb); 1264 } else { 1265 int oldspl; 1266 u_int8_t tag_code; 1267 1268 bioq_remove(&softc->bio_queue, bp); 1269 1270 if ((softc->flags & DA_FLAG_NEED_OTAG) != 0) { 1271 softc->flags &= ~DA_FLAG_NEED_OTAG; 1272 softc->ordered_tag_count++; 1273 tag_code = MSG_ORDERED_Q_TAG; 1274 } else { 1275 tag_code = MSG_SIMPLE_Q_TAG; 1276 } 1277 scsi_read_write(&start_ccb->csio, 1278 /*retries*/da_retry_count, 1279 /*cbfcnp*/dadone, 1280 /*tag_action*/tag_code, 1281 /*read_op*/bp->bio_cmd == BIO_READ, 1282 /*byte2*/0, 1283 softc->minimum_cmd_size, 1284 /*lba*/bp->bio_pblkno, 1285 /*block_count*/bp->bio_bcount / 1286 softc->params.secsize, 1287 /*data_ptr*/ bp->bio_data, 1288 /*dxfer_len*/ bp->bio_bcount, 1289 /*sense_len*/SSD_FULL_SIZE, 1290 /*timeout*/da_default_timeout*1000); 1291 start_ccb->ccb_h.ccb_state = DA_CCB_BUFFER_IO; 1292 1293 /* 1294 * Block out any asyncronous callbacks 1295 * while we touch the pending ccb list. 1296 */ 1297 oldspl = splcam(); 1298 LIST_INSERT_HEAD(&softc->pending_ccbs, 1299 &start_ccb->ccb_h, periph_links.le); 1300 softc->outstanding_cmds++; 1301 splx(oldspl); 1302 1303 /* We expect a unit attention from this device */ 1304 if ((softc->flags & DA_FLAG_RETRY_UA) != 0) { 1305 start_ccb->ccb_h.ccb_state |= DA_CCB_RETRY_UA; 1306 softc->flags &= ~DA_FLAG_RETRY_UA; 1307 } 1308 1309 start_ccb->ccb_h.ccb_bp = bp; 1310 bp = bioq_first(&softc->bio_queue); 1311 splx(s); 1312 1313 xpt_action(start_ccb); 1314 } 1315 1316 if (bp != NULL) { 1317 /* Have more work to do, so ensure we stay scheduled */ 1318 xpt_schedule(periph, /* XXX priority */1); 1319 } 1320 break; 1321 } 1322 case DA_STATE_PROBE: 1323 { 1324 struct ccb_scsiio *csio; 1325 struct scsi_read_capacity_data *rcap; 1326 1327 rcap = (struct scsi_read_capacity_data *)malloc(sizeof(*rcap), 1328 M_TEMP, 1329 M_NOWAIT); 1330 if (rcap == NULL) { 1331 printf("dastart: Couldn't malloc read_capacity data\n"); 1332 /* da_free_periph??? */ 1333 break; 1334 } 1335 csio = &start_ccb->csio; 1336 scsi_read_capacity(csio, 1337 /*retries*/4, 1338 dadone, 1339 MSG_SIMPLE_Q_TAG, 1340 rcap, 1341 SSD_FULL_SIZE, 1342 /*timeout*/5000); 1343 start_ccb->ccb_h.ccb_bp = NULL; 1344 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE; 1345 xpt_action(start_ccb); 1346 break; 1347 } 1348 case DA_STATE_PROBE2: 1349 { 1350 struct ccb_scsiio *csio; 1351 struct scsi_read_capacity_data_long *rcaplong; 1352 1353 rcaplong = (struct scsi_read_capacity_data_long *) 1354 malloc(sizeof(*rcaplong), M_TEMP, M_NOWAIT); 1355 if (rcaplong == NULL) { 1356 printf("dastart: Couldn't malloc read_capacity data\n"); 1357 /* da_free_periph??? */ 1358 break; 1359 } 1360 csio = &start_ccb->csio; 1361 scsi_read_capacity_16(csio, 1362 /*retries*/ 4, 1363 /*cbfcnp*/ dadone, 1364 /*tag_action*/ MSG_SIMPLE_Q_TAG, 1365 /*lba*/ 0, 1366 /*reladr*/ 0, 1367 /*pmi*/ 0, 1368 rcaplong, 1369 /*sense_len*/ SSD_FULL_SIZE, 1370 /*timeout*/ 60000); 1371 start_ccb->ccb_h.ccb_bp = NULL; 1372 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE2; 1373 xpt_action(start_ccb); 1374 break; 1375 } 1376 } 1377 } 1378 1379 static int 1380 cmd6workaround(union ccb *ccb) 1381 { 1382 struct scsi_rw_6 cmd6; 1383 struct scsi_rw_10 *cmd10; 1384 struct da_softc *softc; 1385 u_int8_t *cdb; 1386 int frozen; 1387 1388 cdb = ccb->csio.cdb_io.cdb_bytes; 1389 1390 /* Translation only possible if CDB is an array and cmd is R/W6 */ 1391 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0 || 1392 (*cdb != READ_6 && *cdb != WRITE_6)) 1393 return 0; 1394 1395 xpt_print_path(ccb->ccb_h.path); 1396 printf("READ(6)/WRITE(6) not supported, " 1397 "increasing minimum_cmd_size to 10.\n"); 1398 softc = (struct da_softc *)xpt_path_periph(ccb->ccb_h.path)->softc; 1399 softc->minimum_cmd_size = 10; 1400 1401 bcopy(cdb, &cmd6, sizeof(struct scsi_rw_6)); 1402 cmd10 = (struct scsi_rw_10 *)cdb; 1403 cmd10->opcode = (cmd6.opcode == READ_6) ? READ_10 : WRITE_10; 1404 cmd10->byte2 = 0; 1405 scsi_ulto4b(scsi_3btoul(cmd6.addr), cmd10->addr); 1406 cmd10->reserved = 0; 1407 scsi_ulto2b(cmd6.length, cmd10->length); 1408 cmd10->control = cmd6.control; 1409 ccb->csio.cdb_len = sizeof(*cmd10); 1410 1411 /* Requeue request, unfreezing queue if necessary */ 1412 frozen = (ccb->ccb_h.status & CAM_DEV_QFRZN) != 0; 1413 ccb->ccb_h.status = CAM_REQUEUE_REQ; 1414 xpt_action(ccb); 1415 if (frozen) { 1416 cam_release_devq(ccb->ccb_h.path, 1417 /*relsim_flags*/0, 1418 /*reduction*/0, 1419 /*timeout*/0, 1420 /*getcount_only*/0); 1421 } 1422 return (ERESTART); 1423 } 1424 1425 static void 1426 dadone(struct cam_periph *periph, union ccb *done_ccb) 1427 { 1428 struct da_softc *softc; 1429 struct ccb_scsiio *csio; 1430 1431 softc = (struct da_softc *)periph->softc; 1432 csio = &done_ccb->csio; 1433 switch (csio->ccb_h.ccb_state & DA_CCB_TYPE_MASK) { 1434 case DA_CCB_BUFFER_IO: 1435 { 1436 struct bio *bp; 1437 int oldspl; 1438 1439 bp = (struct bio *)done_ccb->ccb_h.ccb_bp; 1440 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1441 int error; 1442 int s; 1443 int sf; 1444 1445 if ((csio->ccb_h.ccb_state & DA_CCB_RETRY_UA) != 0) 1446 sf = SF_RETRY_UA; 1447 else 1448 sf = 0; 1449 1450 error = daerror(done_ccb, CAM_RETRY_SELTO, sf); 1451 if (error == ERESTART) { 1452 /* 1453 * A retry was scheuled, so 1454 * just return. 1455 */ 1456 return; 1457 } 1458 if (error != 0) { 1459 1460 s = splbio(); 1461 1462 if (error == ENXIO) { 1463 /* 1464 * Catastrophic error. Mark our pack as 1465 * invalid. 1466 */ 1467 /* XXX See if this is really a media 1468 * change first. 1469 */ 1470 xpt_print_path(periph->path); 1471 printf("Invalidating pack\n"); 1472 softc->flags |= DA_FLAG_PACK_INVALID; 1473 } 1474 1475 /* 1476 * return all queued I/O with EIO, so that 1477 * the client can retry these I/Os in the 1478 * proper order should it attempt to recover. 1479 */ 1480 bioq_flush(&softc->bio_queue, NULL, EIO); 1481 splx(s); 1482 bp->bio_error = error; 1483 bp->bio_resid = bp->bio_bcount; 1484 bp->bio_flags |= BIO_ERROR; 1485 } else { 1486 bp->bio_resid = csio->resid; 1487 bp->bio_error = 0; 1488 if (bp->bio_resid != 0) { 1489 /* Short transfer ??? */ 1490 #if 0 1491 if (cmd6workaround(done_ccb) 1492 == ERESTART) 1493 return; 1494 #endif 1495 bp->bio_flags |= BIO_ERROR; 1496 } 1497 } 1498 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 1499 cam_release_devq(done_ccb->ccb_h.path, 1500 /*relsim_flags*/0, 1501 /*reduction*/0, 1502 /*timeout*/0, 1503 /*getcount_only*/0); 1504 } else { 1505 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 1506 panic("REQ_CMP with QFRZN"); 1507 bp->bio_resid = csio->resid; 1508 if (csio->resid > 0) { 1509 /* Short transfer ??? */ 1510 #if 0 /* XXX most of the broken umass devices need this ad-hoc work around */ 1511 if (cmd6workaround(done_ccb) == ERESTART) 1512 return; 1513 #endif 1514 bp->bio_flags |= BIO_ERROR; 1515 } 1516 } 1517 1518 /* 1519 * Block out any asyncronous callbacks 1520 * while we touch the pending ccb list. 1521 */ 1522 oldspl = splcam(); 1523 LIST_REMOVE(&done_ccb->ccb_h, periph_links.le); 1524 softc->outstanding_cmds--; 1525 if (softc->outstanding_cmds == 0) 1526 softc->flags |= DA_FLAG_WENT_IDLE; 1527 splx(oldspl); 1528 1529 biodone(bp); 1530 break; 1531 } 1532 case DA_CCB_PROBE: 1533 case DA_CCB_PROBE2: 1534 { 1535 struct scsi_read_capacity_data *rdcap; 1536 struct scsi_read_capacity_data_long *rcaplong; 1537 char announce_buf[80]; 1538 1539 rdcap = NULL; 1540 rcaplong = NULL; 1541 if (softc->state == DA_STATE_PROBE) 1542 rdcap =(struct scsi_read_capacity_data *)csio->data_ptr; 1543 else 1544 rcaplong = (struct scsi_read_capacity_data_long *) 1545 csio->data_ptr; 1546 1547 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 1548 struct disk_params *dp; 1549 uint32_t block_size; 1550 uint64_t maxsector; 1551 1552 if (softc->state == DA_STATE_PROBE) { 1553 block_size = scsi_4btoul(rdcap->length); 1554 maxsector = scsi_4btoul(rdcap->addr); 1555 1556 /* 1557 * According to SBC-2, if the standard 10 1558 * byte READ CAPACITY command returns 2^32, 1559 * we should issue the 16 byte version of 1560 * the command, since the device in question 1561 * has more sectors than can be represented 1562 * with the short version of the command. 1563 */ 1564 if (maxsector == 0xffffffff) { 1565 softc->state = DA_STATE_PROBE2; 1566 free(rdcap, M_TEMP); 1567 xpt_release_ccb(done_ccb); 1568 xpt_schedule(periph, /*priority*/5); 1569 return; 1570 } 1571 } else { 1572 block_size = scsi_4btoul(rcaplong->length); 1573 maxsector = scsi_8btou64(rcaplong->addr); 1574 } 1575 dasetgeom(periph, block_size, maxsector); 1576 dp = &softc->params; 1577 snprintf(announce_buf, sizeof(announce_buf), 1578 "%juMB (%ju %u byte sectors: %dH %dS/T %dC)", 1579 (uintmax_t) (((uintmax_t)dp->secsize * 1580 dp->sectors) / (1024*1024)), 1581 (uintmax_t)dp->sectors, 1582 dp->secsize, dp->heads, dp->secs_per_track, 1583 dp->cylinders); 1584 } else { 1585 int error; 1586 1587 announce_buf[0] = '\0'; 1588 1589 /* 1590 * Retry any UNIT ATTENTION type errors. They 1591 * are expected at boot. 1592 */ 1593 error = daerror(done_ccb, CAM_RETRY_SELTO, 1594 SF_RETRY_UA|SF_NO_PRINT); 1595 if (error == ERESTART) { 1596 /* 1597 * A retry was scheuled, so 1598 * just return. 1599 */ 1600 return; 1601 } else if (error != 0) { 1602 struct scsi_sense_data *sense; 1603 int asc, ascq; 1604 int sense_key, error_code; 1605 int have_sense; 1606 cam_status status; 1607 struct ccb_getdev cgd; 1608 1609 /* Don't wedge this device's queue */ 1610 status = done_ccb->ccb_h.status; 1611 if ((status & CAM_DEV_QFRZN) != 0) 1612 cam_release_devq(done_ccb->ccb_h.path, 1613 /*relsim_flags*/0, 1614 /*reduction*/0, 1615 /*timeout*/0, 1616 /*getcount_only*/0); 1617 1618 1619 xpt_setup_ccb(&cgd.ccb_h, 1620 done_ccb->ccb_h.path, 1621 /* priority */ 1); 1622 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 1623 xpt_action((union ccb *)&cgd); 1624 1625 if (((csio->ccb_h.flags & CAM_SENSE_PHYS) != 0) 1626 || ((csio->ccb_h.flags & CAM_SENSE_PTR) != 0) 1627 || ((status & CAM_AUTOSNS_VALID) == 0)) 1628 have_sense = FALSE; 1629 else 1630 have_sense = TRUE; 1631 1632 if (have_sense) { 1633 sense = &csio->sense_data; 1634 scsi_extract_sense(sense, &error_code, 1635 &sense_key, 1636 &asc, &ascq); 1637 } 1638 /* 1639 * Attach to anything that claims to be a 1640 * direct access or optical disk device, 1641 * as long as it doesn't return a "Logical 1642 * unit not supported" (0x25) error. 1643 */ 1644 if ((have_sense) && (asc != 0x25) 1645 && (error_code == SSD_CURRENT_ERROR)) { 1646 const char *sense_key_desc; 1647 const char *asc_desc; 1648 1649 scsi_sense_desc(sense_key, asc, ascq, 1650 &cgd.inq_data, 1651 &sense_key_desc, 1652 &asc_desc); 1653 snprintf(announce_buf, 1654 sizeof(announce_buf), 1655 "Attempt to query device " 1656 "size failed: %s, %s", 1657 sense_key_desc, 1658 asc_desc); 1659 } else { 1660 if (have_sense) 1661 scsi_sense_print( 1662 &done_ccb->csio); 1663 else { 1664 xpt_print_path(periph->path); 1665 printf("got CAM status %#x\n", 1666 done_ccb->ccb_h.status); 1667 } 1668 1669 xpt_print_path(periph->path); 1670 printf("fatal error, failed" 1671 " to attach to device\n"); 1672 1673 /* 1674 * Free up resources. 1675 */ 1676 cam_periph_invalidate(periph); 1677 } 1678 } 1679 } 1680 free(csio->data_ptr, M_TEMP); 1681 if (announce_buf[0] != '\0') 1682 xpt_announce_periph(periph, announce_buf); 1683 softc->state = DA_STATE_NORMAL; 1684 /* 1685 * Since our peripheral may be invalidated by an error 1686 * above or an external event, we must release our CCB 1687 * before releasing the probe lock on the peripheral. 1688 * The peripheral will only go away once the last lock 1689 * is removed, and we need it around for the CCB release 1690 * operation. 1691 */ 1692 xpt_release_ccb(done_ccb); 1693 cam_periph_unlock(periph); 1694 return; 1695 } 1696 case DA_CCB_WAITING: 1697 { 1698 /* Caller will release the CCB */ 1699 wakeup(&done_ccb->ccb_h.cbfcnp); 1700 return; 1701 } 1702 case DA_CCB_DUMP: 1703 /* No-op. We're polling */ 1704 return; 1705 default: 1706 break; 1707 } 1708 xpt_release_ccb(done_ccb); 1709 } 1710 1711 static int 1712 daerror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags) 1713 { 1714 struct da_softc *softc; 1715 struct cam_periph *periph; 1716 int error; 1717 1718 periph = xpt_path_periph(ccb->ccb_h.path); 1719 softc = (struct da_softc *)periph->softc; 1720 1721 /* 1722 * Automatically detect devices that do not support 1723 * READ(6)/WRITE(6) and upgrade to using 10 byte cdbs. 1724 */ 1725 error = 0; 1726 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INVALID) { 1727 error = cmd6workaround(ccb); 1728 } else if (((ccb->ccb_h.status & CAM_STATUS_MASK) == 1729 CAM_SCSI_STATUS_ERROR) 1730 && (ccb->ccb_h.status & CAM_AUTOSNS_VALID) 1731 && (ccb->csio.scsi_status == SCSI_STATUS_CHECK_COND) 1732 && ((ccb->ccb_h.flags & CAM_SENSE_PHYS) == 0) 1733 && ((ccb->ccb_h.flags & CAM_SENSE_PTR) == 0)) { 1734 int sense_key, error_code, asc, ascq; 1735 1736 scsi_extract_sense(&ccb->csio.sense_data, 1737 &error_code, &sense_key, &asc, &ascq); 1738 if (sense_key == SSD_KEY_ILLEGAL_REQUEST) 1739 error = cmd6workaround(ccb); 1740 } 1741 if (error == ERESTART) 1742 return (ERESTART); 1743 1744 /* 1745 * XXX 1746 * Until we have a better way of doing pack validation, 1747 * don't treat UAs as errors. 1748 */ 1749 sense_flags |= SF_RETRY_UA; 1750 return(cam_periph_error(ccb, cam_flags, sense_flags, 1751 &softc->saved_ccb)); 1752 } 1753 1754 static void 1755 daprevent(struct cam_periph *periph, int action) 1756 { 1757 struct da_softc *softc; 1758 union ccb *ccb; 1759 int error; 1760 1761 softc = (struct da_softc *)periph->softc; 1762 1763 if (((action == PR_ALLOW) 1764 && (softc->flags & DA_FLAG_PACK_LOCKED) == 0) 1765 || ((action == PR_PREVENT) 1766 && (softc->flags & DA_FLAG_PACK_LOCKED) != 0)) { 1767 return; 1768 } 1769 1770 ccb = cam_periph_getccb(periph, /*priority*/1); 1771 1772 scsi_prevent(&ccb->csio, 1773 /*retries*/1, 1774 /*cbcfp*/dadone, 1775 MSG_SIMPLE_Q_TAG, 1776 action, 1777 SSD_FULL_SIZE, 1778 5000); 1779 1780 error = cam_periph_runccb(ccb, /*error_routine*/NULL, CAM_RETRY_SELTO, 1781 SF_RETRY_UA, softc->disk.d_devstat); 1782 1783 if (error == 0) { 1784 if (action == PR_ALLOW) 1785 softc->flags &= ~DA_FLAG_PACK_LOCKED; 1786 else 1787 softc->flags |= DA_FLAG_PACK_LOCKED; 1788 } 1789 1790 xpt_release_ccb(ccb); 1791 } 1792 1793 static int 1794 dagetcapacity(struct cam_periph *periph) 1795 { 1796 struct da_softc *softc; 1797 union ccb *ccb; 1798 struct scsi_read_capacity_data *rcap; 1799 struct scsi_read_capacity_data_long *rcaplong; 1800 uint32_t block_len; 1801 uint64_t maxsector; 1802 int error; 1803 1804 softc = (struct da_softc *)periph->softc; 1805 block_len = 0; 1806 maxsector = 0; 1807 error = 0; 1808 1809 /* Do a read capacity */ 1810 rcap = (struct scsi_read_capacity_data *)malloc(sizeof(*rcaplong), 1811 M_TEMP, 1812 M_WAITOK); 1813 1814 ccb = cam_periph_getccb(periph, /*priority*/1); 1815 scsi_read_capacity(&ccb->csio, 1816 /*retries*/4, 1817 /*cbfncp*/dadone, 1818 MSG_SIMPLE_Q_TAG, 1819 rcap, 1820 SSD_FULL_SIZE, 1821 /*timeout*/60000); 1822 ccb->ccb_h.ccb_bp = NULL; 1823 1824 error = cam_periph_runccb(ccb, daerror, 1825 /*cam_flags*/CAM_RETRY_SELTO, 1826 /*sense_flags*/SF_RETRY_UA, 1827 softc->disk.d_devstat); 1828 1829 if ((ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 1830 cam_release_devq(ccb->ccb_h.path, 1831 /*relsim_flags*/0, 1832 /*reduction*/0, 1833 /*timeout*/0, 1834 /*getcount_only*/0); 1835 1836 if (error == 0) { 1837 block_len = scsi_4btoul(rcap->length); 1838 maxsector = scsi_4btoul(rcap->addr); 1839 1840 if (maxsector != 0xffffffff) 1841 goto done; 1842 } else 1843 goto done; 1844 1845 rcaplong = (struct scsi_read_capacity_data_long *)rcap; 1846 1847 scsi_read_capacity_16(&ccb->csio, 1848 /*retries*/ 4, 1849 /*cbfcnp*/ dadone, 1850 /*tag_action*/ MSG_SIMPLE_Q_TAG, 1851 /*lba*/ 0, 1852 /*reladr*/ 0, 1853 /*pmi*/ 0, 1854 rcaplong, 1855 /*sense_len*/ SSD_FULL_SIZE, 1856 /*timeout*/ 60000); 1857 ccb->ccb_h.ccb_bp = NULL; 1858 1859 error = cam_periph_runccb(ccb, daerror, 1860 /*cam_flags*/CAM_RETRY_SELTO, 1861 /*sense_flags*/SF_RETRY_UA, 1862 softc->disk.d_devstat); 1863 1864 if ((ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 1865 cam_release_devq(ccb->ccb_h.path, 1866 /*relsim_flags*/0, 1867 /*reduction*/0, 1868 /*timeout*/0, 1869 /*getcount_only*/0); 1870 1871 if (error == 0) { 1872 block_len = scsi_4btoul(rcaplong->length); 1873 maxsector = scsi_8btou64(rcaplong->addr); 1874 } 1875 1876 done: 1877 1878 if (error == 0) 1879 dasetgeom(periph, block_len, maxsector); 1880 1881 xpt_release_ccb(ccb); 1882 1883 free(rcap, M_TEMP); 1884 1885 return (error); 1886 } 1887 1888 static void 1889 dasetgeom(struct cam_periph *periph, uint32_t block_len, uint64_t maxsector) 1890 { 1891 struct ccb_calc_geometry ccg; 1892 struct da_softc *softc; 1893 struct disk_params *dp; 1894 1895 softc = (struct da_softc *)periph->softc; 1896 1897 dp = &softc->params; 1898 dp->secsize = block_len; 1899 dp->sectors = maxsector + 1; 1900 /* 1901 * Have the controller provide us with a geometry 1902 * for this disk. The only time the geometry 1903 * matters is when we boot and the controller 1904 * is the only one knowledgeable enough to come 1905 * up with something that will make this a bootable 1906 * device. 1907 */ 1908 xpt_setup_ccb(&ccg.ccb_h, periph->path, /*priority*/1); 1909 ccg.ccb_h.func_code = XPT_CALC_GEOMETRY; 1910 ccg.block_size = dp->secsize; 1911 ccg.volume_size = dp->sectors; 1912 ccg.heads = 0; 1913 ccg.secs_per_track = 0; 1914 ccg.cylinders = 0; 1915 xpt_action((union ccb*)&ccg); 1916 dp->heads = ccg.heads; 1917 dp->secs_per_track = ccg.secs_per_track; 1918 dp->cylinders = ccg.cylinders; 1919 } 1920 1921 static void 1922 dasendorderedtag(void *arg) 1923 { 1924 struct da_softc *softc; 1925 int s; 1926 1927 for (softc = SLIST_FIRST(&softc_list); 1928 softc != NULL; 1929 softc = SLIST_NEXT(softc, links)) { 1930 s = splsoftcam(); 1931 if ((softc->ordered_tag_count == 0) 1932 && ((softc->flags & DA_FLAG_WENT_IDLE) == 0)) { 1933 softc->flags |= DA_FLAG_NEED_OTAG; 1934 } 1935 if (softc->outstanding_cmds > 0) 1936 softc->flags &= ~DA_FLAG_WENT_IDLE; 1937 1938 softc->ordered_tag_count = 0; 1939 splx(s); 1940 } 1941 /* Queue us up again */ 1942 timeout(dasendorderedtag, NULL, 1943 (da_default_timeout * hz) / DA_ORDEREDTAG_INTERVAL); 1944 } 1945 1946 /* 1947 * Step through all DA peripheral drivers, and if the device is still open, 1948 * sync the disk cache to physical media. 1949 */ 1950 static void 1951 dashutdown(void * arg, int howto) 1952 { 1953 struct cam_periph *periph; 1954 struct da_softc *softc; 1955 1956 TAILQ_FOREACH(periph, &dadriver.units, unit_links) { 1957 union ccb ccb; 1958 softc = (struct da_softc *)periph->softc; 1959 1960 /* 1961 * We only sync the cache if the drive is still open, and 1962 * if the drive is capable of it.. 1963 */ 1964 if (((softc->flags & DA_FLAG_OPEN) == 0) 1965 || (softc->quirks & DA_Q_NO_SYNC_CACHE)) 1966 continue; 1967 1968 xpt_setup_ccb(&ccb.ccb_h, periph->path, /*priority*/1); 1969 1970 ccb.ccb_h.ccb_state = DA_CCB_DUMP; 1971 scsi_synchronize_cache(&ccb.csio, 1972 /*retries*/1, 1973 /*cbfcnp*/dadone, 1974 MSG_SIMPLE_Q_TAG, 1975 /*begin_lba*/0, /* whole disk */ 1976 /*lb_count*/0, 1977 SSD_FULL_SIZE, 1978 60 * 60 * 1000); 1979 1980 xpt_polled_action(&ccb); 1981 1982 if ((ccb.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1983 if (((ccb.ccb_h.status & CAM_STATUS_MASK) == 1984 CAM_SCSI_STATUS_ERROR) 1985 && (ccb.csio.scsi_status == SCSI_STATUS_CHECK_COND)){ 1986 int error_code, sense_key, asc, ascq; 1987 1988 scsi_extract_sense(&ccb.csio.sense_data, 1989 &error_code, &sense_key, 1990 &asc, &ascq); 1991 1992 if (sense_key != SSD_KEY_ILLEGAL_REQUEST) 1993 scsi_sense_print(&ccb.csio); 1994 } else { 1995 xpt_print_path(periph->path); 1996 printf("Synchronize cache failed, status " 1997 "== 0x%x, scsi status == 0x%x\n", 1998 ccb.ccb_h.status, ccb.csio.scsi_status); 1999 } 2000 } 2001 2002 if ((ccb.ccb_h.status & CAM_DEV_QFRZN) != 0) 2003 cam_release_devq(ccb.ccb_h.path, 2004 /*relsim_flags*/0, 2005 /*reduction*/0, 2006 /*timeout*/0, 2007 /*getcount_only*/0); 2008 2009 } 2010 } 2011 2012 #else /* !_KERNEL */ 2013 2014 /* 2015 * XXX This is only left out of the kernel build to silence warnings. If, 2016 * for some reason this function is used in the kernel, the ifdefs should 2017 * be moved so it is included both in the kernel and userland. 2018 */ 2019 void 2020 scsi_format_unit(struct ccb_scsiio *csio, u_int32_t retries, 2021 void (*cbfcnp)(struct cam_periph *, union ccb *), 2022 u_int8_t tag_action, u_int8_t byte2, u_int16_t ileave, 2023 u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len, 2024 u_int32_t timeout) 2025 { 2026 struct scsi_format_unit *scsi_cmd; 2027 2028 scsi_cmd = (struct scsi_format_unit *)&csio->cdb_io.cdb_bytes; 2029 scsi_cmd->opcode = FORMAT_UNIT; 2030 scsi_cmd->byte2 = byte2; 2031 scsi_ulto2b(ileave, scsi_cmd->interleave); 2032 2033 cam_fill_csio(csio, 2034 retries, 2035 cbfcnp, 2036 /*flags*/ (dxfer_len > 0) ? CAM_DIR_OUT : CAM_DIR_NONE, 2037 tag_action, 2038 data_ptr, 2039 dxfer_len, 2040 sense_len, 2041 sizeof(*scsi_cmd), 2042 timeout); 2043 } 2044 2045 #endif /* _KERNEL */ 2046