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