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 * $FreeBSD: src/sys/cam/scsi/scsi_da.c,v 1.42.2.36 2003/05/17 21:48:30 njl Exp $ 29 */ 30 31 #ifdef _KERNEL 32 #include "opt_hw_wdog.h" 33 #endif /* _KERNEL */ 34 35 #include <sys/param.h> 36 37 #ifdef _KERNEL 38 #include <sys/systm.h> 39 #include <sys/kernel.h> 40 #include <sys/buf.h> 41 #include <sys/sysctl.h> 42 #endif /* _KERNEL */ 43 44 #include <sys/devicestat.h> 45 #include <sys/conf.h> 46 #include <sys/disk.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 #ifndef _KERNEL 57 #include <stdio.h> 58 #include <string.h> 59 #endif /* _KERNEL */ 60 61 #include <cam/cam.h> 62 #include <cam/cam_ccb.h> 63 #include <cam/cam_extend.h> 64 #include <cam/cam_periph.h> 65 #include <cam/cam_xpt_periph.h> 66 67 #include <cam/scsi/scsi_message.h> 68 69 #ifndef _KERNEL 70 #include <cam/scsi/scsi_da.h> 71 #endif /* !_KERNEL */ 72 73 #ifdef _KERNEL 74 typedef enum { 75 DA_STATE_PROBE, 76 DA_STATE_NORMAL 77 } da_state; 78 79 typedef enum { 80 DA_FLAG_PACK_INVALID = 0x001, 81 DA_FLAG_NEW_PACK = 0x002, 82 DA_FLAG_PACK_LOCKED = 0x004, 83 DA_FLAG_PACK_REMOVABLE = 0x008, 84 DA_FLAG_TAGGED_QUEUING = 0x010, 85 DA_FLAG_NEED_OTAG = 0x020, 86 DA_FLAG_WENT_IDLE = 0x040, 87 DA_FLAG_RETRY_UA = 0x080, 88 DA_FLAG_OPEN = 0x100 89 } da_flags; 90 91 typedef enum { 92 DA_Q_NONE = 0x00, 93 DA_Q_NO_SYNC_CACHE = 0x01, 94 DA_Q_NO_6_BYTE = 0x02 95 } da_quirks; 96 97 typedef enum { 98 DA_CCB_PROBE = 0x01, 99 DA_CCB_BUFFER_IO = 0x02, 100 DA_CCB_WAITING = 0x03, 101 DA_CCB_DUMP = 0x04, 102 DA_CCB_TYPE_MASK = 0x0F, 103 DA_CCB_RETRY_UA = 0x10 104 } da_ccb_state; 105 106 /* Offsets into our private area for storing information */ 107 #define ccb_state ppriv_field0 108 #define ccb_bp ppriv_ptr1 109 110 struct disk_params { 111 u_int8_t heads; 112 u_int16_t cylinders; 113 u_int8_t secs_per_track; 114 u_int32_t secsize; /* Number of bytes/sector */ 115 u_int32_t sectors; /* total number sectors */ 116 }; 117 118 struct da_softc { 119 struct buf_queue_head buf_queue; 120 struct devstat device_stats; 121 SLIST_ENTRY(da_softc) links; 122 LIST_HEAD(, ccb_hdr) pending_ccbs; 123 da_state state; 124 da_flags flags; 125 da_quirks quirks; 126 int minimum_cmd_size; 127 int ordered_tag_count; 128 struct disk_params params; 129 struct disk disk; 130 union ccb saved_ccb; 131 }; 132 133 struct da_quirk_entry { 134 struct scsi_inquiry_pattern inq_pat; 135 da_quirks quirks; 136 }; 137 138 static const char quantum[] = "QUANTUM"; 139 static const char microp[] = "MICROP"; 140 141 static struct da_quirk_entry da_quirk_table[] = 142 { 143 { 144 /* 145 * Fujitsu M2513A MO drives. 146 * Tested devices: M2513A2 firmware versions 1200 & 1300. 147 * (dip switch selects whether T_DIRECT or T_OPTICAL device) 148 * Reported by: W.Scholten <whs@xs4all.nl> 149 */ 150 {T_DIRECT, SIP_MEDIA_REMOVABLE, "FUJITSU", "M2513A", "*"}, 151 /*quirks*/ DA_Q_NO_SYNC_CACHE 152 }, 153 { 154 /* See above. */ 155 {T_OPTICAL, SIP_MEDIA_REMOVABLE, "FUJITSU", "M2513A", "*"}, 156 /*quirks*/ DA_Q_NO_SYNC_CACHE 157 }, 158 { 159 /* 160 * This particular Fujitsu drive doesn't like the 161 * synchronize cache command. 162 * Reported by: Tom Jackson <toj@gorilla.net> 163 */ 164 {T_DIRECT, SIP_MEDIA_FIXED, "FUJITSU", "M2954*", "*"}, 165 /*quirks*/ DA_Q_NO_SYNC_CACHE 166 167 }, 168 { 169 /* 170 * This drive doesn't like the synchronize cache command 171 * either. Reported by: Matthew Jacob <mjacob@feral.com> 172 * in NetBSD PR kern/6027, August 24, 1998. 173 */ 174 {T_DIRECT, SIP_MEDIA_FIXED, microp, "2217*", "*"}, 175 /*quirks*/ DA_Q_NO_SYNC_CACHE 176 }, 177 { 178 /* 179 * This drive doesn't like the synchronize cache command 180 * either. Reported by: Hellmuth Michaelis (hm@kts.org) 181 * (PR 8882). 182 */ 183 {T_DIRECT, SIP_MEDIA_FIXED, microp, "2112*", "*"}, 184 /*quirks*/ DA_Q_NO_SYNC_CACHE 185 }, 186 { 187 /* 188 * Doesn't like the synchronize cache command. 189 * Reported by: Blaz Zupan <blaz@gold.amis.net> 190 */ 191 {T_DIRECT, SIP_MEDIA_FIXED, "NEC", "D3847*", "*"}, 192 /*quirks*/ DA_Q_NO_SYNC_CACHE 193 }, 194 { 195 /* 196 * Doesn't like the synchronize cache command. 197 */ 198 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "MAVERICK 540S", "*"}, 199 /*quirks*/ DA_Q_NO_SYNC_CACHE 200 }, 201 { 202 /* 203 * Doesn't like the synchronize cache command. 204 */ 205 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "LPS525S", "*"}, 206 /*quirks*/ DA_Q_NO_SYNC_CACHE 207 }, 208 { 209 /* 210 * Doesn't work correctly with 6 byte reads/writes. 211 * Returns illegal request, and points to byte 9 of the 212 * 6-byte CDB. 213 * Reported by: Adam McDougall <bsdx@spawnet.com> 214 */ 215 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "VIKING 4*", "*"}, 216 /*quirks*/ DA_Q_NO_6_BYTE 217 }, 218 { 219 /* 220 * See above. 221 */ 222 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "VIKING 2*", "*"}, 223 /*quirks*/ DA_Q_NO_6_BYTE 224 }, 225 226 /* Below a list of quirks for USB devices supported by umass. */ 227 { 228 /* 229 * This USB floppy drive uses the UFI command set. This 230 * command set is a derivative of the ATAPI command set and 231 * does not support READ_6 commands only READ_10. It also does 232 * not support sync cache (0x35). 233 */ 234 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Y-E DATA", "USB-FDU", "*"}, 235 /*quirks*/ DA_Q_NO_6_BYTE|DA_Q_NO_SYNC_CACHE 236 }, 237 { 238 /* Another USB floppy */ 239 {T_DIRECT, SIP_MEDIA_REMOVABLE, "MATSHITA", "FDD CF-VFDU*","*"}, 240 /*quirks*/ DA_Q_NO_6_BYTE|DA_Q_NO_SYNC_CACHE 241 }, 242 { 243 /* 244 * Sony Memory Stick adapter MSAC-US1 and 245 * Sony PCG-C1VJ Internal Memory Stick Slot (MSC-U01). 246 * Make all sony MS* products use this quirk. 247 */ 248 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Sony", "MS*", "*"}, 249 /*quirks*/ DA_Q_NO_6_BYTE|DA_Q_NO_SYNC_CACHE 250 }, 251 { 252 /* 253 * Sony Memory Stick adapter for the CLIE series 254 * of PalmOS PDA's 255 */ 256 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Sony", "CLIE*", "*"}, 257 /*quirks*/ DA_Q_NO_6_BYTE|DA_Q_NO_SYNC_CACHE 258 }, 259 { 260 /* 261 * Sony DSC cameras (DSC-S30, DSC-S50, DSC-S70) 262 */ 263 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Sony", "Sony DSC", "*"}, 264 /*quirks*/ DA_Q_NO_6_BYTE|DA_Q_NO_SYNC_CACHE 265 }, 266 { 267 /* 268 * Maxtor 3000LE USB Drive 269 */ 270 {T_DIRECT, SIP_MEDIA_FIXED, "MAXTOR*", "K040H2*", "*"}, 271 /*quirks*/ DA_Q_NO_6_BYTE 272 }, 273 { 274 /* 275 * LaCie USB drive, among others 276 */ 277 {T_DIRECT, SIP_MEDIA_FIXED, "Maxtor*", "D080H4*", "*"}, 278 /*quirks*/ DA_Q_NO_6_BYTE 279 }, 280 { 281 {T_OPTICAL, SIP_MEDIA_REMOVABLE, "FUJITSU", "MCF3064AP", "*"}, 282 /*quirks*/ DA_Q_NO_6_BYTE 283 }, 284 { 285 /* 286 * Microtech USB CameraMate 287 */ 288 {T_DIRECT, SIP_MEDIA_REMOVABLE, "eUSB Compact*", 289 "Compact Flash*", "*"}, 290 /*quirks*/ DA_Q_NO_6_BYTE|DA_Q_NO_SYNC_CACHE 291 }, 292 { 293 /* 294 * The vendor, product and version strings coming from the 295 * controller are null terminated instead of being padded with 296 * spaces. The trailing wildcard character '*' is required. 297 */ 298 {T_DIRECT, SIP_MEDIA_REMOVABLE, "SMSC*", "USB FDC*","*"}, 299 /*quirks*/ DA_Q_NO_6_BYTE|DA_Q_NO_SYNC_CACHE 300 }, 301 { 302 /* 303 * Olympus digital cameras (C-3040ZOOM, C-2040ZOOM, C-1) 304 */ 305 {T_DIRECT, SIP_MEDIA_REMOVABLE, "OLYMPUS", "C-*", "*"}, 306 /*quirks*/ DA_Q_NO_6_BYTE|DA_Q_NO_SYNC_CACHE 307 }, 308 { 309 /* 310 * Olympus digital cameras (D-370) 311 */ 312 {T_DIRECT, SIP_MEDIA_REMOVABLE, "OLYMPUS", "D-*", "*"}, 313 /*quirks*/ DA_Q_NO_6_BYTE 314 }, 315 { 316 /* 317 * Olympus digital cameras (E-100RS, E-10). 318 */ 319 {T_DIRECT, SIP_MEDIA_REMOVABLE, "OLYMPUS", "E-*", "*"}, 320 /*quirks*/ DA_Q_NO_6_BYTE|DA_Q_NO_SYNC_CACHE 321 }, 322 { 323 /* 324 * KingByte Pen Drives 325 */ 326 {T_DIRECT, SIP_MEDIA_REMOVABLE, "NO BRAND", "PEN DRIVE", "*"}, 327 /*quirks*/ DA_Q_NO_6_BYTE|DA_Q_NO_SYNC_CACHE 328 }, 329 { 330 /* 331 * FujiFilm Camera 332 */ 333 {T_DIRECT, SIP_MEDIA_REMOVABLE, "FUJIFILMUSB-DRIVEUNIT", 334 "USB-DRIVEUNIT", "*"}, 335 /*quirks*/ DA_Q_NO_6_BYTE|DA_Q_NO_SYNC_CACHE 336 }, 337 { 338 /* 339 * Nikon Coolpix E775/E995 Cameras 340 */ 341 {T_DIRECT, SIP_MEDIA_REMOVABLE, "NIKON", "NIKON DSC E*", "*"}, 342 /*quirks*/ DA_Q_NO_6_BYTE 343 }, 344 { 345 /* 346 * Nikon Coolpix E885 Camera 347 */ 348 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Nikon", "Digital Camera", "*"}, 349 /*quirks*/ DA_Q_NO_6_BYTE 350 }, 351 { 352 /* 353 * SimpleTech FlashLink UCF-100 354 */ 355 {T_DIRECT, SIP_MEDIA_REMOVABLE, "OEI-USB", "CompactFlash", "*"}, 356 /*quirks*/ DA_Q_NO_6_BYTE 357 }, 358 { 359 /* 360 * Minolta Dimage 2330 361 */ 362 {T_DIRECT, SIP_MEDIA_REMOVABLE, "MINOLTA", "DIMAGE 2330*", "*"}, 363 /*quirks*/ DA_Q_NO_6_BYTE 364 }, 365 { 366 /* 367 * Minolta Dimage E203 368 */ 369 {T_DIRECT, SIP_MEDIA_REMOVABLE, "MINOLTA", "DiMAGE E203", "*"}, 370 /*quirks*/ DA_Q_NO_6_BYTE|DA_Q_NO_SYNC_CACHE 371 }, 372 { 373 /* 374 * DIVA USB Mp3 Player. 375 * PR: kern/33638 376 */ 377 {T_DIRECT, SIP_MEDIA_REMOVABLE, "DIVA USB", "Media Reader","*"}, 378 /*quirks*/ DA_Q_NO_6_BYTE 379 }, 380 { 381 /* 382 * Daisy Technology PhotoClip USB Camera 383 */ 384 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Digital", "World DMC","*"}, 385 /*quirks*/ DA_Q_NO_6_BYTE 386 }, 387 { 388 /* 389 * Apacer HandyDrive 390 * PR: kern/43627 391 */ 392 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Apacer", "HandyDrive", "*"}, 393 /*quirks*/ DA_Q_NO_6_BYTE|DA_Q_NO_SYNC_CACHE 394 }, 395 { 396 /* 397 * Daisy Technology PhotoClip on Zoran chip 398 * PR: kern/43580 399 */ 400 {T_DIRECT, SIP_MEDIA_REMOVABLE, "ZORAN", "COACH", "*"}, 401 /*quirks*/ DA_Q_NO_6_BYTE|DA_Q_NO_SYNC_CACHE 402 }, 403 { 404 /* 405 * HP 315 Digital Camera 406 * PR: kern/41010 407 */ 408 {T_DIRECT, SIP_MEDIA_REMOVABLE, "HP", "USB CAMERA", "*"}, 409 /*quirks*/ DA_Q_NO_6_BYTE 410 }, 411 { 412 /* 413 * Fujitsu-Siemens Memorybird pen drive 414 * PR: kern/34712 415 */ 416 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Fujitsu", "Memorybird", "*"}, 417 /*quirks*/ DA_Q_NO_6_BYTE 418 }, 419 { 420 /* 421 * Sony USB Key-Storage 422 * PR: kern/46386 423 */ 424 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Sony", "Storage Media", "*"}, 425 /*quirks*/ DA_Q_NO_6_BYTE|DA_Q_NO_SYNC_CACHE 426 }, 427 { 428 /* 429 * Lexar Media Jumpdrive 430 * PR: kern/47006 431 */ 432 {T_DIRECT, SIP_MEDIA_REMOVABLE, "LEXAR", "DIGITAL FILM", "*"}, 433 /*quirks*/ DA_Q_NO_6_BYTE 434 }, 435 { 436 /* 437 * Pentax USB Optio 230 camera 438 * PR: kern/46369 439 */ 440 {T_DIRECT, SIP_MEDIA_REMOVABLE, 441 "PENTAX", "DIGITAL_CAMERA", "*"}, 442 /*quirks*/ DA_Q_NO_6_BYTE 443 }, 444 { 445 /* 446 * Casio QV-R3 USB camera (uses Pentax chip as above) 447 * PR: kern/46545 448 */ 449 {T_DIRECT, SIP_MEDIA_REMOVABLE, 450 "CASIO", "DIGITAL_CAMERA", "*"}, 451 /*quirks*/ DA_Q_NO_6_BYTE 452 }, 453 { 454 /* 455 * M-Systems DiskOnKey USB flash key 456 * PR: kern/47793 457 */ 458 {T_DIRECT, SIP_MEDIA_REMOVABLE, "M-Sys", "DiskOnKey", "*"}, 459 /*quirks*/ DA_Q_NO_6_BYTE 460 }, 461 { 462 /* 463 * SanDisk ImageMate (I, II, ...) compact flash 464 * PR: kern/47877 465 */ 466 {T_DIRECT, SIP_MEDIA_REMOVABLE, "SanDisk", "ImageMate*", "*"}, 467 /*quirks*/ DA_Q_NO_6_BYTE 468 }, 469 { 470 /* 471 * Feiya "slider" dual-slot flash reader. The vendor field 472 * is blank so this may match other devices. 473 * PR: kern/50020 474 */ 475 {T_DIRECT, SIP_MEDIA_REMOVABLE, "", "USB CARD READER", "*"}, 476 /*quirks*/ DA_Q_NO_6_BYTE 477 }, 478 { 479 /* 480 * SmartDisk (Mitsumi) USB floppy drive 481 * PR: kern/50226 482 */ 483 {T_DIRECT, SIP_MEDIA_REMOVABLE, "MITSUMI", "USB FDD", "*"}, 484 /*quirks*/ DA_Q_NO_6_BYTE|DA_Q_NO_SYNC_CACHE 485 }, 486 { 487 /* 488 * OTi USB Flash Key 489 * PR: kern/51825 490 */ 491 {T_DIRECT, SIP_MEDIA_REMOVABLE, "OTi", "Flash Disk", "*"}, 492 /*quirks*/ DA_Q_NO_6_BYTE 493 } 494 }; 495 496 static d_open_t daopen; 497 static d_close_t daclose; 498 static d_strategy_t dastrategy; 499 static d_ioctl_t daioctl; 500 static d_dump_t dadump; 501 static periph_init_t dainit; 502 static void daasync(void *callback_arg, u_int32_t code, 503 struct cam_path *path, void *arg); 504 static periph_ctor_t daregister; 505 static periph_dtor_t dacleanup; 506 static periph_start_t dastart; 507 static periph_oninv_t daoninvalidate; 508 static void dadone(struct cam_periph *periph, 509 union ccb *done_ccb); 510 static int daerror(union ccb *ccb, u_int32_t cam_flags, 511 u_int32_t sense_flags); 512 static void daprevent(struct cam_periph *periph, int action); 513 static void dasetgeom(struct cam_periph *periph, 514 struct scsi_read_capacity_data * rdcap); 515 static timeout_t dasendorderedtag; 516 static void dashutdown(void *arg, int howto); 517 518 #ifndef DA_DEFAULT_TIMEOUT 519 #define DA_DEFAULT_TIMEOUT 60 /* Timeout in seconds */ 520 #endif 521 522 #ifndef DA_DEFAULT_RETRY 523 #define DA_DEFAULT_RETRY 4 524 #endif 525 526 static int da_retry_count = DA_DEFAULT_RETRY; 527 static int da_default_timeout = DA_DEFAULT_TIMEOUT; 528 static int da_no_6_byte = 0; 529 530 SYSCTL_NODE(_kern, OID_AUTO, cam, CTLFLAG_RD, 0, "CAM Subsystem"); 531 SYSCTL_NODE(_kern_cam, OID_AUTO, da, CTLFLAG_RD, 0, 532 "CAM Direct Access Disk driver"); 533 SYSCTL_INT(_kern_cam_da, OID_AUTO, retry_count, CTLFLAG_RW, 534 &da_retry_count, 0, "Normal I/O retry count"); 535 SYSCTL_INT(_kern_cam_da, OID_AUTO, default_timeout, CTLFLAG_RW, 536 &da_default_timeout, 0, "Normal I/O timeout (in seconds)"); 537 SYSCTL_INT(_kern_cam_da, OID_AUTO, no_6_byte, CTLFLAG_RW, 538 &da_no_6_byte, 0, "No 6 bytes commands"); 539 540 /* 541 * DA_ORDEREDTAG_INTERVAL determines how often, relative 542 * to the default timeout, we check to see whether an ordered 543 * tagged transaction is appropriate to prevent simple tag 544 * starvation. Since we'd like to ensure that there is at least 545 * 1/2 of the timeout length left for a starved transaction to 546 * complete after we've sent an ordered tag, we must poll at least 547 * four times in every timeout period. This takes care of the worst 548 * case where a starved transaction starts during an interval that 549 * meets the requirement "don't send an ordered tag" test so it takes 550 * us two intervals to determine that a tag must be sent. 551 */ 552 #ifndef DA_ORDEREDTAG_INTERVAL 553 #define DA_ORDEREDTAG_INTERVAL 4 554 #endif 555 556 static struct periph_driver dadriver = 557 { 558 dainit, "da", 559 TAILQ_HEAD_INITIALIZER(dadriver.units), /* generation */ 0 560 }; 561 562 DATA_SET(periphdriver_set, dadriver); 563 564 #define DA_CDEV_MAJOR 13 565 #define DA_BDEV_MAJOR 4 566 567 /* For 2.2-stable support */ 568 #ifndef D_DISK 569 #define D_DISK 0 570 #endif 571 572 static struct cdevsw da_cdevsw = { 573 /* open */ daopen, 574 /* close */ daclose, 575 /* read */ physread, 576 /* write */ physwrite, 577 /* ioctl */ daioctl, 578 /* poll */ nopoll, 579 /* mmap */ nommap, 580 /* strategy */ dastrategy, 581 /* name */ "da", 582 /* maj */ DA_CDEV_MAJOR, 583 /* dump */ dadump, 584 /* psize */ nopsize, 585 /* flags */ D_DISK, 586 /* bmaj */ DA_BDEV_MAJOR 587 }; 588 589 static struct cdevsw dadisk_cdevsw; 590 591 static SLIST_HEAD(,da_softc) softc_list; 592 static struct extend_array *daperiphs; 593 594 static int 595 daopen(dev_t dev, int flags, int fmt, struct proc *p) 596 { 597 struct cam_periph *periph; 598 struct da_softc *softc; 599 struct disklabel *label; 600 int unit; 601 int part; 602 int error; 603 int s; 604 605 unit = dkunit(dev); 606 part = dkpart(dev); 607 periph = cam_extend_get(daperiphs, unit); 608 if (periph == NULL) 609 return (ENXIO); 610 611 softc = (struct da_softc *)periph->softc; 612 613 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 614 ("daopen: dev=%s (unit %d , partition %d)\n", devtoname(dev), 615 unit, part)); 616 617 if ((error = cam_periph_lock(periph, PRIBIO|PCATCH)) != 0) { 618 return (error); /* error code from tsleep */ 619 } 620 621 if (cam_periph_acquire(periph) != CAM_REQ_CMP) 622 return(ENXIO); 623 softc->flags |= DA_FLAG_OPEN; 624 625 s = splsoftcam(); 626 if ((softc->flags & DA_FLAG_PACK_INVALID) != 0) { 627 /* Invalidate our pack information. */ 628 disk_invalidate(&softc->disk); 629 softc->flags &= ~DA_FLAG_PACK_INVALID; 630 } 631 splx(s); 632 633 /* Do a read capacity */ 634 { 635 struct scsi_read_capacity_data *rcap; 636 union ccb *ccb; 637 638 rcap = (struct scsi_read_capacity_data *)malloc(sizeof(*rcap), 639 M_TEMP, 640 M_WAITOK); 641 642 ccb = cam_periph_getccb(periph, /*priority*/1); 643 scsi_read_capacity(&ccb->csio, 644 /*retries*/1, 645 /*cbfncp*/dadone, 646 MSG_SIMPLE_Q_TAG, 647 rcap, 648 SSD_FULL_SIZE, 649 /*timeout*/60000); 650 ccb->ccb_h.ccb_bp = NULL; 651 652 error = cam_periph_runccb(ccb, daerror, /*cam_flags*/0, 653 /*sense_flags*/SF_RETRY_UA | 654 SF_RETRY_SELTO, 655 &softc->device_stats); 656 657 xpt_release_ccb(ccb); 658 659 if (error == 0) { 660 dasetgeom(periph, rcap); 661 } 662 663 free(rcap, M_TEMP); 664 } 665 666 if (error == 0) { 667 struct ccb_getdev cgd; 668 669 /* Build label for whole disk. */ 670 label = &softc->disk.d_label; 671 bzero(label, sizeof(*label)); 672 label->d_type = DTYPE_SCSI; 673 674 /* 675 * Grab the inquiry data to get the vendor and product names. 676 * Put them in the typename and packname for the label. 677 */ 678 xpt_setup_ccb(&cgd.ccb_h, periph->path, /*priority*/ 1); 679 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 680 xpt_action((union ccb *)&cgd); 681 682 strncpy(label->d_typename, cgd.inq_data.vendor, 683 min(SID_VENDOR_SIZE, sizeof(label->d_typename))); 684 strncpy(label->d_packname, cgd.inq_data.product, 685 min(SID_PRODUCT_SIZE, sizeof(label->d_packname))); 686 687 label->d_secsize = softc->params.secsize; 688 label->d_nsectors = softc->params.secs_per_track; 689 label->d_ntracks = softc->params.heads; 690 label->d_ncylinders = softc->params.cylinders; 691 label->d_secpercyl = softc->params.heads 692 * softc->params.secs_per_track; 693 label->d_secperunit = softc->params.sectors; 694 695 if (((softc->flags & DA_FLAG_PACK_REMOVABLE) != 0)) { 696 daprevent(periph, PR_PREVENT); 697 } 698 699 /* 700 * Check to see whether or not the blocksize is set yet. 701 * If it isn't, set it and then clear the blocksize 702 * unavailable flag for the device statistics. 703 */ 704 if ((softc->device_stats.flags & DEVSTAT_BS_UNAVAILABLE) != 0){ 705 softc->device_stats.block_size = softc->params.secsize; 706 softc->device_stats.flags &= ~DEVSTAT_BS_UNAVAILABLE; 707 } 708 } 709 710 if (error != 0) { 711 if ((softc->flags & DA_FLAG_PACK_REMOVABLE) != 0) { 712 daprevent(periph, PR_ALLOW); 713 } 714 softc->flags &= ~DA_FLAG_OPEN; 715 cam_periph_release(periph); 716 } 717 cam_periph_unlock(periph); 718 return (error); 719 } 720 721 static int 722 daclose(dev_t dev, int flag, int fmt, struct proc *p) 723 { 724 struct cam_periph *periph; 725 struct da_softc *softc; 726 int unit; 727 int error; 728 729 unit = dkunit(dev); 730 periph = cam_extend_get(daperiphs, unit); 731 if (periph == NULL) 732 return (ENXIO); 733 734 softc = (struct da_softc *)periph->softc; 735 736 if ((error = cam_periph_lock(periph, PRIBIO)) != 0) { 737 return (error); /* error code from tsleep */ 738 } 739 740 if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) { 741 union ccb *ccb; 742 743 ccb = cam_periph_getccb(periph, /*priority*/1); 744 745 scsi_synchronize_cache(&ccb->csio, 746 /*retries*/1, 747 /*cbfcnp*/dadone, 748 MSG_SIMPLE_Q_TAG, 749 /*begin_lba*/0,/* Cover the whole disk */ 750 /*lb_count*/0, 751 SSD_FULL_SIZE, 752 5 * 60 * 1000); 753 754 cam_periph_runccb(ccb, /*error_routine*/NULL, /*cam_flags*/0, 755 /*sense_flags*/SF_RETRY_UA, 756 &softc->device_stats); 757 758 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 759 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == 760 CAM_SCSI_STATUS_ERROR) { 761 int asc, ascq; 762 int sense_key, error_code; 763 764 scsi_extract_sense(&ccb->csio.sense_data, 765 &error_code, 766 &sense_key, 767 &asc, &ascq); 768 if (sense_key != SSD_KEY_ILLEGAL_REQUEST) 769 scsi_sense_print(&ccb->csio); 770 } else { 771 xpt_print_path(periph->path); 772 printf("Synchronize cache failed, status " 773 "== 0x%x, scsi status == 0x%x\n", 774 ccb->csio.ccb_h.status, 775 ccb->csio.scsi_status); 776 } 777 } 778 779 if ((ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 780 cam_release_devq(ccb->ccb_h.path, 781 /*relsim_flags*/0, 782 /*reduction*/0, 783 /*timeout*/0, 784 /*getcount_only*/0); 785 786 xpt_release_ccb(ccb); 787 788 } 789 790 if ((softc->flags & DA_FLAG_PACK_REMOVABLE) != 0) { 791 daprevent(periph, PR_ALLOW); 792 /* 793 * If we've got removeable media, mark the blocksize as 794 * unavailable, since it could change when new media is 795 * inserted. 796 */ 797 softc->device_stats.flags |= DEVSTAT_BS_UNAVAILABLE; 798 } 799 800 softc->flags &= ~DA_FLAG_OPEN; 801 cam_periph_unlock(periph); 802 cam_periph_release(periph); 803 return (0); 804 } 805 806 /* 807 * Actually translate the requested transfer into one the physical driver 808 * can understand. The transfer is described by a buf and will include 809 * only one physical transfer. 810 */ 811 static void 812 dastrategy(struct buf *bp) 813 { 814 struct cam_periph *periph; 815 struct da_softc *softc; 816 u_int unit; 817 u_int part; 818 int s; 819 820 unit = dkunit(bp->b_dev); 821 part = dkpart(bp->b_dev); 822 periph = cam_extend_get(daperiphs, unit); 823 if (periph == NULL) { 824 bp->b_error = ENXIO; 825 goto bad; 826 } 827 softc = (struct da_softc *)periph->softc; 828 #if 0 829 /* 830 * check it's not too big a transfer for our adapter 831 */ 832 scsi_minphys(bp,&sd_switch); 833 #endif 834 835 /* 836 * Mask interrupts so that the pack cannot be invalidated until 837 * after we are in the queue. Otherwise, we might not properly 838 * clean up one of the buffers. 839 */ 840 s = splbio(); 841 842 /* 843 * If the device has been made invalid, error out 844 */ 845 if ((softc->flags & DA_FLAG_PACK_INVALID)) { 846 splx(s); 847 bp->b_error = ENXIO; 848 goto bad; 849 } 850 851 /* 852 * Place it in the queue of disk activities for this disk 853 */ 854 bufqdisksort(&softc->buf_queue, bp); 855 856 splx(s); 857 858 /* 859 * Schedule ourselves for performing the work. 860 */ 861 xpt_schedule(periph, /* XXX priority */1); 862 863 return; 864 bad: 865 bp->b_flags |= B_ERROR; 866 867 /* 868 * Correctly set the buf to indicate a completed xfer 869 */ 870 bp->b_resid = bp->b_bcount; 871 biodone(bp); 872 return; 873 } 874 875 /* For 2.2-stable support */ 876 #ifndef ENOIOCTL 877 #define ENOIOCTL -1 878 #endif 879 880 static int 881 daioctl(dev_t dev, u_long cmd, caddr_t addr, int flag, struct proc *p) 882 { 883 struct cam_periph *periph; 884 struct da_softc *softc; 885 int unit; 886 int error; 887 888 unit = dkunit(dev); 889 periph = cam_extend_get(daperiphs, unit); 890 if (periph == NULL) 891 return (ENXIO); 892 893 softc = (struct da_softc *)periph->softc; 894 895 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("daioctl\n")); 896 897 if ((error = cam_periph_lock(periph, PRIBIO|PCATCH)) != 0) { 898 return (error); /* error code from tsleep */ 899 } 900 901 error = cam_periph_ioctl(periph, cmd, addr, daerror); 902 903 cam_periph_unlock(periph); 904 905 return (error); 906 } 907 908 static int 909 dadump(dev_t dev) 910 { 911 struct cam_periph *periph; 912 struct da_softc *softc; 913 u_int unit; 914 u_int part; 915 u_int secsize; 916 u_int num; /* number of sectors to write */ 917 u_int blknum; 918 long blkcnt; 919 vm_offset_t addr; 920 struct ccb_scsiio csio; 921 int dumppages = MAXDUMPPGS; 922 int error; 923 int i; 924 925 /* toss any characters present prior to dump */ 926 while (cncheckc() != -1) 927 ; 928 929 unit = dkunit(dev); 930 part = dkpart(dev); 931 periph = cam_extend_get(daperiphs, unit); 932 if (periph == NULL) { 933 return (ENXIO); 934 } 935 softc = (struct da_softc *)periph->softc; 936 937 if ((softc->flags & DA_FLAG_PACK_INVALID) != 0) 938 return (ENXIO); 939 940 error = disk_dumpcheck(dev, &num, &blknum, &secsize); 941 if (error) 942 return (error); 943 944 addr = 0; /* starting address */ 945 blkcnt = howmany(PAGE_SIZE, secsize); 946 947 while (num > 0) { 948 caddr_t va = NULL; 949 950 if ((num / blkcnt) < dumppages) 951 dumppages = num / blkcnt; 952 953 for (i = 0; i < dumppages; ++i) { 954 vm_offset_t a = addr + (i * PAGE_SIZE); 955 if (is_physical_memory(a)) 956 va = pmap_kenter_temporary(trunc_page(a), i); 957 else 958 va = pmap_kenter_temporary(trunc_page(0), i); 959 } 960 961 xpt_setup_ccb(&csio.ccb_h, periph->path, /*priority*/1); 962 csio.ccb_h.ccb_state = DA_CCB_DUMP; 963 scsi_read_write(&csio, 964 /*retries*/1, 965 dadone, 966 MSG_ORDERED_Q_TAG, 967 /*read*/FALSE, 968 /*byte2*/0, 969 /*minimum_cmd_size*/ softc->minimum_cmd_size, 970 blknum, 971 blkcnt * dumppages, 972 /*data_ptr*/(u_int8_t *) va, 973 /*dxfer_len*/blkcnt * secsize * dumppages, 974 /*sense_len*/SSD_FULL_SIZE, 975 DA_DEFAULT_TIMEOUT * 1000); 976 xpt_polled_action((union ccb *)&csio); 977 978 if ((csio.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 979 printf("Aborting dump due to I/O error.\n"); 980 if ((csio.ccb_h.status & CAM_STATUS_MASK) == 981 CAM_SCSI_STATUS_ERROR) 982 scsi_sense_print(&csio); 983 else 984 printf("status == 0x%x, scsi status == 0x%x\n", 985 csio.ccb_h.status, csio.scsi_status); 986 return(EIO); 987 } 988 989 if (dumpstatus(addr, (off_t)num * softc->params.secsize) < 0) 990 return (EINTR); 991 992 /* update block count */ 993 num -= blkcnt * dumppages; 994 blknum += blkcnt * dumppages; 995 addr += PAGE_SIZE * dumppages; 996 } 997 998 /* 999 * Sync the disk cache contents to the physical media. 1000 */ 1001 if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) { 1002 1003 xpt_setup_ccb(&csio.ccb_h, periph->path, /*priority*/1); 1004 csio.ccb_h.ccb_state = DA_CCB_DUMP; 1005 scsi_synchronize_cache(&csio, 1006 /*retries*/1, 1007 /*cbfcnp*/dadone, 1008 MSG_SIMPLE_Q_TAG, 1009 /*begin_lba*/0,/* Cover the whole disk */ 1010 /*lb_count*/0, 1011 SSD_FULL_SIZE, 1012 5 * 60 * 1000); 1013 xpt_polled_action((union ccb *)&csio); 1014 1015 if ((csio.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1016 if ((csio.ccb_h.status & CAM_STATUS_MASK) == 1017 CAM_SCSI_STATUS_ERROR) { 1018 int asc, ascq; 1019 int sense_key, error_code; 1020 1021 scsi_extract_sense(&csio.sense_data, 1022 &error_code, 1023 &sense_key, 1024 &asc, &ascq); 1025 if (sense_key != SSD_KEY_ILLEGAL_REQUEST) 1026 scsi_sense_print(&csio); 1027 } else { 1028 xpt_print_path(periph->path); 1029 printf("Synchronize cache failed, status " 1030 "== 0x%x, scsi status == 0x%x\n", 1031 csio.ccb_h.status, csio.scsi_status); 1032 } 1033 } 1034 } 1035 return (0); 1036 } 1037 1038 static void 1039 dainit(void) 1040 { 1041 cam_status status; 1042 struct cam_path *path; 1043 1044 /* 1045 * Create our extend array for storing the devices we attach to. 1046 */ 1047 daperiphs = cam_extend_new(); 1048 SLIST_INIT(&softc_list); 1049 if (daperiphs == NULL) { 1050 printf("da: Failed to alloc extend array!\n"); 1051 return; 1052 } 1053 1054 /* 1055 * Install a global async callback. This callback will 1056 * receive async callbacks like "new device found". 1057 */ 1058 status = xpt_create_path(&path, /*periph*/NULL, CAM_XPT_PATH_ID, 1059 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD); 1060 1061 if (status == CAM_REQ_CMP) { 1062 struct ccb_setasync csa; 1063 1064 xpt_setup_ccb(&csa.ccb_h, path, /*priority*/5); 1065 csa.ccb_h.func_code = XPT_SASYNC_CB; 1066 csa.event_enable = AC_FOUND_DEVICE; 1067 csa.callback = daasync; 1068 csa.callback_arg = NULL; 1069 xpt_action((union ccb *)&csa); 1070 status = csa.ccb_h.status; 1071 xpt_free_path(path); 1072 } 1073 1074 if (status != CAM_REQ_CMP) { 1075 printf("da: Failed to attach master async callback " 1076 "due to status 0x%x!\n", status); 1077 } else { 1078 1079 /* 1080 * Schedule a periodic event to occasionally send an 1081 * ordered tag to a device. 1082 */ 1083 timeout(dasendorderedtag, NULL, 1084 (DA_DEFAULT_TIMEOUT * hz) / DA_ORDEREDTAG_INTERVAL); 1085 1086 /* Register our shutdown event handler */ 1087 if ((EVENTHANDLER_REGISTER(shutdown_post_sync, dashutdown, 1088 NULL, SHUTDOWN_PRI_DEFAULT)) == NULL) 1089 printf("dainit: shutdown event registration failed!\n"); 1090 } 1091 } 1092 1093 static void 1094 daoninvalidate(struct cam_periph *periph) 1095 { 1096 int s; 1097 struct da_softc *softc; 1098 struct buf *q_bp; 1099 struct ccb_setasync csa; 1100 1101 softc = (struct da_softc *)periph->softc; 1102 1103 /* 1104 * De-register any async callbacks. 1105 */ 1106 xpt_setup_ccb(&csa.ccb_h, periph->path, 1107 /* priority */ 5); 1108 csa.ccb_h.func_code = XPT_SASYNC_CB; 1109 csa.event_enable = 0; 1110 csa.callback = daasync; 1111 csa.callback_arg = periph; 1112 xpt_action((union ccb *)&csa); 1113 1114 softc->flags |= DA_FLAG_PACK_INVALID; 1115 1116 /* 1117 * Although the oninvalidate() routines are always called at 1118 * splsoftcam, we need to be at splbio() here to keep the buffer 1119 * queue from being modified while we traverse it. 1120 */ 1121 s = splbio(); 1122 1123 /* 1124 * Return all queued I/O with ENXIO. 1125 * XXX Handle any transactions queued to the card 1126 * with XPT_ABORT_CCB. 1127 */ 1128 while ((q_bp = bufq_first(&softc->buf_queue)) != NULL){ 1129 bufq_remove(&softc->buf_queue, q_bp); 1130 q_bp->b_resid = q_bp->b_bcount; 1131 q_bp->b_error = ENXIO; 1132 q_bp->b_flags |= B_ERROR; 1133 biodone(q_bp); 1134 } 1135 splx(s); 1136 1137 SLIST_REMOVE(&softc_list, softc, da_softc, links); 1138 1139 xpt_print_path(periph->path); 1140 printf("lost device\n"); 1141 } 1142 1143 static void 1144 dacleanup(struct cam_periph *periph) 1145 { 1146 struct da_softc *softc; 1147 1148 softc = (struct da_softc *)periph->softc; 1149 1150 devstat_remove_entry(&softc->device_stats); 1151 cam_extend_release(daperiphs, periph->unit_number); 1152 xpt_print_path(periph->path); 1153 printf("removing device entry\n"); 1154 if (softc->disk.d_dev) { 1155 disk_destroy(softc->disk.d_dev); 1156 } 1157 free(softc, M_DEVBUF); 1158 } 1159 1160 static void 1161 daasync(void *callback_arg, u_int32_t code, 1162 struct cam_path *path, void *arg) 1163 { 1164 struct cam_periph *periph; 1165 1166 periph = (struct cam_periph *)callback_arg; 1167 switch (code) { 1168 case AC_FOUND_DEVICE: 1169 { 1170 struct ccb_getdev *cgd; 1171 cam_status status; 1172 1173 cgd = (struct ccb_getdev *)arg; 1174 1175 if (SID_TYPE(&cgd->inq_data) != T_DIRECT 1176 && SID_TYPE(&cgd->inq_data) != T_RBC 1177 && SID_TYPE(&cgd->inq_data) != T_OPTICAL) 1178 break; 1179 1180 /* 1181 * Allocate a peripheral instance for 1182 * this device and start the probe 1183 * process. 1184 */ 1185 status = cam_periph_alloc(daregister, daoninvalidate, 1186 dacleanup, dastart, 1187 "da", CAM_PERIPH_BIO, 1188 cgd->ccb_h.path, daasync, 1189 AC_FOUND_DEVICE, cgd); 1190 1191 if (status != CAM_REQ_CMP 1192 && status != CAM_REQ_INPROG) 1193 printf("daasync: Unable to attach to new device " 1194 "due to status 0x%x\n", status); 1195 break; 1196 } 1197 case AC_SENT_BDR: 1198 case AC_BUS_RESET: 1199 { 1200 struct da_softc *softc; 1201 struct ccb_hdr *ccbh; 1202 int s; 1203 1204 softc = (struct da_softc *)periph->softc; 1205 s = splsoftcam(); 1206 /* 1207 * Don't fail on the expected unit attention 1208 * that will occur. 1209 */ 1210 softc->flags |= DA_FLAG_RETRY_UA; 1211 for (ccbh = LIST_FIRST(&softc->pending_ccbs); 1212 ccbh != NULL; ccbh = LIST_NEXT(ccbh, periph_links.le)) 1213 ccbh->ccb_state |= DA_CCB_RETRY_UA; 1214 splx(s); 1215 /* FALLTHROUGH*/ 1216 } 1217 default: 1218 cam_periph_async(periph, code, path, arg); 1219 break; 1220 } 1221 } 1222 1223 static cam_status 1224 daregister(struct cam_periph *periph, void *arg) 1225 { 1226 int s; 1227 struct da_softc *softc; 1228 struct ccb_setasync csa; 1229 struct ccb_getdev *cgd; 1230 caddr_t match; 1231 1232 cgd = (struct ccb_getdev *)arg; 1233 if (periph == NULL) { 1234 printf("daregister: periph was NULL!!\n"); 1235 return(CAM_REQ_CMP_ERR); 1236 } 1237 1238 if (cgd == NULL) { 1239 printf("daregister: no getdev CCB, can't register device\n"); 1240 return(CAM_REQ_CMP_ERR); 1241 } 1242 1243 softc = (struct da_softc *)malloc(sizeof(*softc),M_DEVBUF,M_NOWAIT); 1244 1245 if (softc == NULL) { 1246 printf("daregister: Unable to probe new device. " 1247 "Unable to allocate softc\n"); 1248 return(CAM_REQ_CMP_ERR); 1249 } 1250 1251 bzero(softc, sizeof(*softc)); 1252 LIST_INIT(&softc->pending_ccbs); 1253 softc->state = DA_STATE_PROBE; 1254 bufq_init(&softc->buf_queue); 1255 if (SID_IS_REMOVABLE(&cgd->inq_data)) 1256 softc->flags |= DA_FLAG_PACK_REMOVABLE; 1257 if ((cgd->inq_data.flags & SID_CmdQue) != 0) 1258 softc->flags |= DA_FLAG_TAGGED_QUEUING; 1259 1260 periph->softc = softc; 1261 1262 cam_extend_set(daperiphs, periph->unit_number, periph); 1263 1264 /* 1265 * See if this device has any quirks. 1266 */ 1267 match = cam_quirkmatch((caddr_t)&cgd->inq_data, 1268 (caddr_t)da_quirk_table, 1269 sizeof(da_quirk_table)/sizeof(*da_quirk_table), 1270 sizeof(*da_quirk_table), scsi_inquiry_match); 1271 1272 if (match != NULL) 1273 softc->quirks = ((struct da_quirk_entry *)match)->quirks; 1274 else 1275 softc->quirks = DA_Q_NONE; 1276 1277 if (softc->quirks & DA_Q_NO_6_BYTE || SID_TYPE(&cgd->inq_data) == T_RBC) 1278 softc->minimum_cmd_size = 10; 1279 else 1280 softc->minimum_cmd_size = 6; 1281 1282 /* 1283 * Block our timeout handler while we 1284 * add this softc to the dev list. 1285 */ 1286 s = splsoftclock(); 1287 SLIST_INSERT_HEAD(&softc_list, softc, links); 1288 splx(s); 1289 1290 /* 1291 * The DA driver supports a blocksize, but 1292 * we don't know the blocksize until we do 1293 * a read capacity. So, set a flag to 1294 * indicate that the blocksize is 1295 * unavailable right now. We'll clear the 1296 * flag as soon as we've done a read capacity. 1297 */ 1298 devstat_add_entry(&softc->device_stats, "da", 1299 periph->unit_number, 0, 1300 DEVSTAT_BS_UNAVAILABLE, 1301 SID_TYPE(&cgd->inq_data) | DEVSTAT_TYPE_IF_SCSI, 1302 DEVSTAT_PRIORITY_DISK); 1303 1304 /* 1305 * Register this media as a disk 1306 */ 1307 disk_create(periph->unit_number, &softc->disk, 0, 1308 &da_cdevsw, &dadisk_cdevsw); 1309 1310 /* 1311 * Add async callbacks for bus reset and 1312 * bus device reset calls. I don't bother 1313 * checking if this fails as, in most cases, 1314 * the system will function just fine without 1315 * them and the only alternative would be to 1316 * not attach the device on failure. 1317 */ 1318 xpt_setup_ccb(&csa.ccb_h, periph->path, /*priority*/5); 1319 csa.ccb_h.func_code = XPT_SASYNC_CB; 1320 csa.event_enable = AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE; 1321 csa.callback = daasync; 1322 csa.callback_arg = periph; 1323 xpt_action((union ccb *)&csa); 1324 /* 1325 * Lock this peripheral until we are setup. 1326 * This first call can't block 1327 */ 1328 (void)cam_periph_lock(periph, PRIBIO); 1329 xpt_schedule(periph, /*priority*/5); 1330 1331 return(CAM_REQ_CMP); 1332 } 1333 1334 static void 1335 dastart(struct cam_periph *periph, union ccb *start_ccb) 1336 { 1337 struct da_softc *softc; 1338 1339 softc = (struct da_softc *)periph->softc; 1340 1341 1342 switch (softc->state) { 1343 case DA_STATE_NORMAL: 1344 { 1345 /* Pull a buffer from the queue and get going on it */ 1346 struct buf *bp; 1347 int s; 1348 1349 /* 1350 * See if there is a buf with work for us to do.. 1351 */ 1352 s = splbio(); 1353 bp = bufq_first(&softc->buf_queue); 1354 if (periph->immediate_priority <= periph->pinfo.priority) { 1355 CAM_DEBUG_PRINT(CAM_DEBUG_SUBTRACE, 1356 ("queuing for immediate ccb\n")); 1357 start_ccb->ccb_h.ccb_state = DA_CCB_WAITING; 1358 SLIST_INSERT_HEAD(&periph->ccb_list, &start_ccb->ccb_h, 1359 periph_links.sle); 1360 periph->immediate_priority = CAM_PRIORITY_NONE; 1361 splx(s); 1362 wakeup(&periph->ccb_list); 1363 } else if (bp == NULL) { 1364 splx(s); 1365 xpt_release_ccb(start_ccb); 1366 } else { 1367 int oldspl; 1368 u_int8_t tag_code; 1369 1370 bufq_remove(&softc->buf_queue, bp); 1371 1372 devstat_start_transaction(&softc->device_stats); 1373 1374 if ((bp->b_flags & B_ORDERED) != 0 1375 || (softc->flags & DA_FLAG_NEED_OTAG) != 0) { 1376 softc->flags &= ~DA_FLAG_NEED_OTAG; 1377 softc->ordered_tag_count++; 1378 tag_code = MSG_ORDERED_Q_TAG; 1379 } else { 1380 tag_code = MSG_SIMPLE_Q_TAG; 1381 } 1382 if (da_no_6_byte && softc->minimum_cmd_size == 6) 1383 softc->minimum_cmd_size = 10; 1384 scsi_read_write(&start_ccb->csio, 1385 /*retries*/da_retry_count, 1386 dadone, 1387 tag_code, 1388 bp->b_flags & B_READ, 1389 /*byte2*/0, 1390 softc->minimum_cmd_size, 1391 bp->b_pblkno, 1392 bp->b_bcount / softc->params.secsize, 1393 bp->b_data, 1394 bp->b_bcount, 1395 /*sense_len*/SSD_FULL_SIZE, 1396 da_default_timeout * 1000); 1397 start_ccb->ccb_h.ccb_state = DA_CCB_BUFFER_IO; 1398 1399 /* 1400 * Block out any asyncronous callbacks 1401 * while we touch the pending ccb list. 1402 */ 1403 oldspl = splcam(); 1404 LIST_INSERT_HEAD(&softc->pending_ccbs, 1405 &start_ccb->ccb_h, periph_links.le); 1406 splx(oldspl); 1407 1408 /* We expect a unit attention from this device */ 1409 if ((softc->flags & DA_FLAG_RETRY_UA) != 0) { 1410 start_ccb->ccb_h.ccb_state |= DA_CCB_RETRY_UA; 1411 softc->flags &= ~DA_FLAG_RETRY_UA; 1412 } 1413 1414 start_ccb->ccb_h.ccb_bp = bp; 1415 bp = bufq_first(&softc->buf_queue); 1416 splx(s); 1417 1418 xpt_action(start_ccb); 1419 } 1420 1421 if (bp != NULL) { 1422 /* Have more work to do, so ensure we stay scheduled */ 1423 xpt_schedule(periph, /* XXX priority */1); 1424 } 1425 break; 1426 } 1427 case DA_STATE_PROBE: 1428 { 1429 struct ccb_scsiio *csio; 1430 struct scsi_read_capacity_data *rcap; 1431 1432 rcap = (struct scsi_read_capacity_data *)malloc(sizeof(*rcap), 1433 M_TEMP, 1434 M_NOWAIT); 1435 if (rcap == NULL) { 1436 printf("dastart: Couldn't malloc read_capacity data\n"); 1437 /* da_free_periph??? */ 1438 break; 1439 } 1440 csio = &start_ccb->csio; 1441 scsi_read_capacity(csio, 1442 /*retries*/4, 1443 dadone, 1444 MSG_SIMPLE_Q_TAG, 1445 rcap, 1446 SSD_FULL_SIZE, 1447 /*timeout*/5000); 1448 start_ccb->ccb_h.ccb_bp = NULL; 1449 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE; 1450 xpt_action(start_ccb); 1451 break; 1452 } 1453 } 1454 } 1455 1456 static int 1457 cmd6workaround(union ccb *ccb) 1458 { 1459 struct scsi_rw_6 cmd6; 1460 struct scsi_rw_10 *cmd10; 1461 struct da_softc *softc; 1462 u_int8_t *cdb; 1463 int frozen; 1464 1465 cdb = ccb->csio.cdb_io.cdb_bytes; 1466 1467 /* Translation only possible if CDB is an array and cmd is R/W6 */ 1468 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0 || 1469 (*cdb != READ_6 && *cdb != WRITE_6)) 1470 return 0; 1471 1472 xpt_print_path(ccb->ccb_h.path); 1473 printf("READ(6)/WRITE(6) not supported, " 1474 "increasing minimum_cmd_size to 10.\n"); 1475 softc = (struct da_softc *)xpt_path_periph(ccb->ccb_h.path)->softc; 1476 softc->minimum_cmd_size = 10; 1477 1478 bcopy(cdb, &cmd6, sizeof(struct scsi_rw_6)); 1479 cmd10 = (struct scsi_rw_10 *)cdb; 1480 cmd10->opcode = (cmd6.opcode == READ_6) ? READ_10 : WRITE_10; 1481 cmd10->byte2 = 0; 1482 scsi_ulto4b(scsi_3btoul(cmd6.addr), cmd10->addr); 1483 cmd10->reserved = 0; 1484 scsi_ulto2b(cmd6.length, cmd10->length); 1485 cmd10->control = cmd6.control; 1486 ccb->csio.cdb_len = sizeof(*cmd10); 1487 1488 /* Requeue request, unfreezing queue if necessary */ 1489 frozen = (ccb->ccb_h.status & CAM_DEV_QFRZN) != 0; 1490 ccb->ccb_h.status = CAM_REQUEUE_REQ; 1491 xpt_action(ccb); 1492 if (frozen) { 1493 cam_release_devq(ccb->ccb_h.path, 1494 /*relsim_flags*/0, 1495 /*reduction*/0, 1496 /*timeout*/0, 1497 /*getcount_only*/0); 1498 } 1499 return (ERESTART); 1500 } 1501 1502 static void 1503 dadone(struct cam_periph *periph, union ccb *done_ccb) 1504 { 1505 struct da_softc *softc; 1506 struct ccb_scsiio *csio; 1507 1508 softc = (struct da_softc *)periph->softc; 1509 csio = &done_ccb->csio; 1510 switch (csio->ccb_h.ccb_state & DA_CCB_TYPE_MASK) { 1511 case DA_CCB_BUFFER_IO: 1512 { 1513 struct buf *bp; 1514 int oldspl; 1515 1516 bp = (struct buf *)done_ccb->ccb_h.ccb_bp; 1517 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1518 int error; 1519 int s; 1520 int sf; 1521 1522 if ((csio->ccb_h.ccb_state & DA_CCB_RETRY_UA) != 0) 1523 sf = SF_RETRY_UA; 1524 else 1525 sf = 0; 1526 1527 /* Retry selection timeouts */ 1528 sf |= SF_RETRY_SELTO; 1529 1530 if ((error = daerror(done_ccb, 0, sf)) == ERESTART) { 1531 /* 1532 * A retry was scheuled, so 1533 * just return. 1534 */ 1535 return; 1536 } 1537 if (error != 0) { 1538 struct buf *q_bp; 1539 1540 s = splbio(); 1541 1542 if (error == ENXIO) { 1543 /* 1544 * Catastrophic error. Mark our pack as 1545 * invalid. 1546 */ 1547 /* XXX See if this is really a media 1548 * change first. 1549 */ 1550 xpt_print_path(periph->path); 1551 printf("Invalidating pack\n"); 1552 softc->flags |= DA_FLAG_PACK_INVALID; 1553 } 1554 1555 /* 1556 * return all queued I/O with EIO, so that 1557 * the client can retry these I/Os in the 1558 * proper order should it attempt to recover. 1559 */ 1560 while ((q_bp = bufq_first(&softc->buf_queue)) 1561 != NULL) { 1562 bufq_remove(&softc->buf_queue, q_bp); 1563 q_bp->b_resid = q_bp->b_bcount; 1564 q_bp->b_error = EIO; 1565 q_bp->b_flags |= B_ERROR; 1566 biodone(q_bp); 1567 } 1568 splx(s); 1569 bp->b_error = error; 1570 bp->b_resid = bp->b_bcount; 1571 bp->b_flags |= B_ERROR; 1572 } else { 1573 bp->b_resid = csio->resid; 1574 bp->b_error = 0; 1575 if (bp->b_resid != 0) { 1576 /* Short transfer ??? */ 1577 #if 0 1578 if (cmd6workaround(done_ccb) 1579 == ERESTART) 1580 return; 1581 #endif 1582 bp->b_flags |= B_ERROR; 1583 } 1584 } 1585 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 1586 cam_release_devq(done_ccb->ccb_h.path, 1587 /*relsim_flags*/0, 1588 /*reduction*/0, 1589 /*timeout*/0, 1590 /*getcount_only*/0); 1591 } else { 1592 bp->b_resid = csio->resid; 1593 if (csio->resid > 0) { 1594 /* Short transfer ??? */ 1595 #if 0 /* XXX most of the broken umass devices need this ad-hoc work around */ 1596 if (cmd6workaround(done_ccb) == ERESTART) 1597 return; 1598 #endif 1599 bp->b_flags |= B_ERROR; 1600 } 1601 } 1602 1603 /* 1604 * Block out any asyncronous callbacks 1605 * while we touch the pending ccb list. 1606 */ 1607 oldspl = splcam(); 1608 LIST_REMOVE(&done_ccb->ccb_h, periph_links.le); 1609 splx(oldspl); 1610 1611 if (softc->device_stats.busy_count == 0) 1612 softc->flags |= DA_FLAG_WENT_IDLE; 1613 1614 devstat_end_transaction_buf(&softc->device_stats, bp); 1615 biodone(bp); 1616 break; 1617 } 1618 case DA_CCB_PROBE: 1619 { 1620 struct scsi_read_capacity_data *rdcap; 1621 char announce_buf[80]; 1622 1623 rdcap = (struct scsi_read_capacity_data *)csio->data_ptr; 1624 1625 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 1626 struct disk_params *dp; 1627 1628 dasetgeom(periph, rdcap); 1629 dp = &softc->params; 1630 snprintf(announce_buf, sizeof(announce_buf), 1631 "%luMB (%u %u byte sectors: %dH %dS/T %dC)", 1632 (unsigned long) (((u_int64_t)dp->secsize * 1633 dp->sectors) / (1024*1024)), dp->sectors, 1634 dp->secsize, dp->heads, dp->secs_per_track, 1635 dp->cylinders); 1636 } else { 1637 int error; 1638 1639 announce_buf[0] = '\0'; 1640 1641 /* 1642 * Retry any UNIT ATTENTION type errors. They 1643 * are expected at boot. 1644 */ 1645 error = daerror(done_ccb, 0, SF_RETRY_UA | 1646 SF_RETRY_SELTO | SF_NO_PRINT); 1647 if (error == ERESTART) { 1648 /* 1649 * A retry was scheuled, so 1650 * just return. 1651 */ 1652 return; 1653 } else if (error != 0) { 1654 struct scsi_sense_data *sense; 1655 int asc, ascq; 1656 int sense_key, error_code; 1657 int have_sense; 1658 cam_status status; 1659 struct ccb_getdev cgd; 1660 1661 /* Don't wedge this device's queue */ 1662 cam_release_devq(done_ccb->ccb_h.path, 1663 /*relsim_flags*/0, 1664 /*reduction*/0, 1665 /*timeout*/0, 1666 /*getcount_only*/0); 1667 1668 status = done_ccb->ccb_h.status; 1669 1670 xpt_setup_ccb(&cgd.ccb_h, 1671 done_ccb->ccb_h.path, 1672 /* priority */ 1); 1673 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 1674 xpt_action((union ccb *)&cgd); 1675 1676 if (((csio->ccb_h.flags & CAM_SENSE_PHYS) != 0) 1677 || ((csio->ccb_h.flags & CAM_SENSE_PTR) != 0) 1678 || ((status & CAM_AUTOSNS_VALID) == 0)) 1679 have_sense = FALSE; 1680 else 1681 have_sense = TRUE; 1682 1683 if (have_sense) { 1684 sense = &csio->sense_data; 1685 scsi_extract_sense(sense, &error_code, 1686 &sense_key, 1687 &asc, &ascq); 1688 } 1689 /* 1690 * Attach to anything that claims to be a 1691 * direct access or optical disk device, 1692 * as long as it doesn't return a "Logical 1693 * unit not supported" (0x25) error. 1694 */ 1695 if ((have_sense) && (asc != 0x25) 1696 && (error_code == SSD_CURRENT_ERROR)) 1697 snprintf(announce_buf, 1698 sizeof(announce_buf), 1699 "Attempt to query device " 1700 "size failed: %s, %s", 1701 scsi_sense_key_text[sense_key], 1702 scsi_sense_desc(asc,ascq, 1703 &cgd.inq_data)); 1704 else { 1705 if (have_sense) 1706 scsi_sense_print( 1707 &done_ccb->csio); 1708 else { 1709 xpt_print_path(periph->path); 1710 printf("got CAM status %#x\n", 1711 done_ccb->ccb_h.status); 1712 } 1713 1714 xpt_print_path(periph->path); 1715 printf("fatal error, failed" 1716 " to attach to device\n"); 1717 1718 /* 1719 * Free up resources. 1720 */ 1721 cam_periph_invalidate(periph); 1722 } 1723 } 1724 } 1725 free(rdcap, M_TEMP); 1726 if (announce_buf[0] != '\0') 1727 xpt_announce_periph(periph, announce_buf); 1728 softc->state = DA_STATE_NORMAL; 1729 /* 1730 * Since our peripheral may be invalidated by an error 1731 * above or an external event, we must release our CCB 1732 * before releasing the probe lock on the peripheral. 1733 * The peripheral will only go away once the last lock 1734 * is removed, and we need it around for the CCB release 1735 * operation. 1736 */ 1737 xpt_release_ccb(done_ccb); 1738 cam_periph_unlock(periph); 1739 return; 1740 } 1741 case DA_CCB_WAITING: 1742 { 1743 /* Caller will release the CCB */ 1744 wakeup(&done_ccb->ccb_h.cbfcnp); 1745 return; 1746 } 1747 case DA_CCB_DUMP: 1748 /* No-op. We're polling */ 1749 return; 1750 default: 1751 break; 1752 } 1753 xpt_release_ccb(done_ccb); 1754 } 1755 1756 static int 1757 daerror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags) 1758 { 1759 struct da_softc *softc; 1760 struct cam_periph *periph; 1761 int error, sense_key, error_code, asc, ascq; 1762 1763 periph = xpt_path_periph(ccb->ccb_h.path); 1764 softc = (struct da_softc *)periph->softc; 1765 1766 /* 1767 * Automatically detect devices that do not support 1768 * READ(6)/WRITE(6) and upgrade to using 10 byte cdbs. 1769 */ 1770 error = 0; 1771 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_SCSI_STATUS_ERROR 1772 && ccb->csio.scsi_status == SCSI_STATUS_CHECK_COND) { 1773 scsi_extract_sense(&ccb->csio.sense_data, 1774 &error_code, &sense_key, &asc, &ascq); 1775 if (sense_key == SSD_KEY_ILLEGAL_REQUEST) 1776 error = cmd6workaround(ccb); 1777 } 1778 if (error == ERESTART) 1779 return (ERESTART); 1780 1781 /* 1782 * XXX 1783 * Until we have a better way of doing pack validation, 1784 * don't treat UAs as errors. 1785 */ 1786 sense_flags |= SF_RETRY_UA; 1787 return(cam_periph_error(ccb, cam_flags, sense_flags, 1788 &softc->saved_ccb)); 1789 } 1790 1791 static void 1792 daprevent(struct cam_periph *periph, int action) 1793 { 1794 struct da_softc *softc; 1795 union ccb *ccb; 1796 int error; 1797 1798 softc = (struct da_softc *)periph->softc; 1799 1800 if (((action == PR_ALLOW) 1801 && (softc->flags & DA_FLAG_PACK_LOCKED) == 0) 1802 || ((action == PR_PREVENT) 1803 && (softc->flags & DA_FLAG_PACK_LOCKED) != 0)) { 1804 return; 1805 } 1806 1807 ccb = cam_periph_getccb(periph, /*priority*/1); 1808 1809 scsi_prevent(&ccb->csio, 1810 /*retries*/1, 1811 /*cbcfp*/dadone, 1812 MSG_SIMPLE_Q_TAG, 1813 action, 1814 SSD_FULL_SIZE, 1815 5000); 1816 1817 error = cam_periph_runccb(ccb, /*error_routine*/NULL, /*cam_flags*/0, 1818 /*sense_flags*/0, &softc->device_stats); 1819 1820 if (error == 0) { 1821 if (action == PR_ALLOW) 1822 softc->flags &= ~DA_FLAG_PACK_LOCKED; 1823 else 1824 softc->flags |= DA_FLAG_PACK_LOCKED; 1825 } 1826 1827 xpt_release_ccb(ccb); 1828 } 1829 1830 static void 1831 dasetgeom(struct cam_periph *periph, struct scsi_read_capacity_data * rdcap) 1832 { 1833 struct ccb_calc_geometry ccg; 1834 struct da_softc *softc; 1835 struct disk_params *dp; 1836 1837 softc = (struct da_softc *)periph->softc; 1838 1839 dp = &softc->params; 1840 dp->secsize = scsi_4btoul(rdcap->length); 1841 dp->sectors = scsi_4btoul(rdcap->addr) + 1; 1842 /* 1843 * Have the controller provide us with a geometry 1844 * for this disk. The only time the geometry 1845 * matters is when we boot and the controller 1846 * is the only one knowledgeable enough to come 1847 * up with something that will make this a bootable 1848 * device. 1849 */ 1850 xpt_setup_ccb(&ccg.ccb_h, periph->path, /*priority*/1); 1851 ccg.ccb_h.func_code = XPT_CALC_GEOMETRY; 1852 ccg.block_size = dp->secsize; 1853 ccg.volume_size = dp->sectors; 1854 ccg.heads = 0; 1855 ccg.secs_per_track = 0; 1856 ccg.cylinders = 0; 1857 xpt_action((union ccb*)&ccg); 1858 dp->heads = ccg.heads; 1859 dp->secs_per_track = ccg.secs_per_track; 1860 dp->cylinders = ccg.cylinders; 1861 } 1862 1863 static void 1864 dasendorderedtag(void *arg) 1865 { 1866 struct da_softc *softc; 1867 int s; 1868 1869 for (softc = SLIST_FIRST(&softc_list); 1870 softc != NULL; 1871 softc = SLIST_NEXT(softc, links)) { 1872 s = splsoftcam(); 1873 if ((softc->ordered_tag_count == 0) 1874 && ((softc->flags & DA_FLAG_WENT_IDLE) == 0)) { 1875 softc->flags |= DA_FLAG_NEED_OTAG; 1876 } 1877 if (softc->device_stats.busy_count > 0) 1878 softc->flags &= ~DA_FLAG_WENT_IDLE; 1879 1880 softc->ordered_tag_count = 0; 1881 splx(s); 1882 } 1883 /* Queue us up again */ 1884 timeout(dasendorderedtag, NULL, 1885 (da_default_timeout * hz) / DA_ORDEREDTAG_INTERVAL); 1886 } 1887 1888 /* 1889 * Step through all DA peripheral drivers, and if the device is still open, 1890 * sync the disk cache to physical media. 1891 */ 1892 static void 1893 dashutdown(void * arg, int howto) 1894 { 1895 struct cam_periph *periph; 1896 struct da_softc *softc; 1897 1898 for (periph = TAILQ_FIRST(&dadriver.units); periph != NULL; 1899 periph = TAILQ_NEXT(periph, unit_links)) { 1900 union ccb ccb; 1901 softc = (struct da_softc *)periph->softc; 1902 1903 /* 1904 * We only sync the cache if the drive is still open, and 1905 * if the drive is capable of it.. 1906 */ 1907 if (((softc->flags & DA_FLAG_OPEN) == 0) 1908 || (softc->quirks & DA_Q_NO_SYNC_CACHE)) 1909 continue; 1910 1911 xpt_setup_ccb(&ccb.ccb_h, periph->path, /*priority*/1); 1912 1913 ccb.ccb_h.ccb_state = DA_CCB_DUMP; 1914 scsi_synchronize_cache(&ccb.csio, 1915 /*retries*/1, 1916 /*cbfcnp*/dadone, 1917 MSG_SIMPLE_Q_TAG, 1918 /*begin_lba*/0, /* whole disk */ 1919 /*lb_count*/0, 1920 SSD_FULL_SIZE, 1921 5 * 60 * 1000); 1922 1923 xpt_polled_action(&ccb); 1924 1925 if ((ccb.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1926 if (((ccb.ccb_h.status & CAM_STATUS_MASK) == 1927 CAM_SCSI_STATUS_ERROR) 1928 && (ccb.csio.scsi_status == SCSI_STATUS_CHECK_COND)){ 1929 int error_code, sense_key, asc, ascq; 1930 1931 scsi_extract_sense(&ccb.csio.sense_data, 1932 &error_code, &sense_key, 1933 &asc, &ascq); 1934 1935 if (sense_key != SSD_KEY_ILLEGAL_REQUEST) 1936 scsi_sense_print(&ccb.csio); 1937 } else { 1938 xpt_print_path(periph->path); 1939 printf("Synchronize cache failed, status " 1940 "== 0x%x, scsi status == 0x%x\n", 1941 ccb.ccb_h.status, ccb.csio.scsi_status); 1942 } 1943 } 1944 1945 if ((ccb.ccb_h.status & CAM_DEV_QFRZN) != 0) 1946 cam_release_devq(ccb.ccb_h.path, 1947 /*relsim_flags*/0, 1948 /*reduction*/0, 1949 /*timeout*/0, 1950 /*getcount_only*/0); 1951 1952 } 1953 } 1954 1955 #else /* !_KERNEL */ 1956 1957 /* 1958 * XXX This is only left out of the kernel build to silence warnings. If, 1959 * for some reason this function is used in the kernel, the ifdefs should 1960 * be moved so it is included both in the kernel and userland. 1961 */ 1962 void 1963 scsi_format_unit(struct ccb_scsiio *csio, u_int32_t retries, 1964 void (*cbfcnp)(struct cam_periph *, union ccb *), 1965 u_int8_t tag_action, u_int8_t byte2, u_int16_t ileave, 1966 u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len, 1967 u_int32_t timeout) 1968 { 1969 struct scsi_format_unit *scsi_cmd; 1970 1971 scsi_cmd = (struct scsi_format_unit *)&csio->cdb_io.cdb_bytes; 1972 scsi_cmd->opcode = FORMAT_UNIT; 1973 scsi_cmd->byte2 = byte2; 1974 scsi_ulto2b(ileave, scsi_cmd->interleave); 1975 1976 cam_fill_csio(csio, 1977 retries, 1978 cbfcnp, 1979 /*flags*/ (dxfer_len > 0) ? CAM_DIR_OUT : CAM_DIR_NONE, 1980 tag_action, 1981 data_ptr, 1982 dxfer_len, 1983 sense_len, 1984 sizeof(*scsi_cmd), 1985 timeout); 1986 } 1987 1988 #endif /* _KERNEL */ 1989