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 1.42.2.46 2003/10/21 22:18:19 thomas Exp $ 29 * $DragonFly: src/sys/bus/cam/scsi/scsi_da.c,v 1.12 2003/12/29 06:42:10 dillon Exp $ 30 */ 31 32 #ifdef _KERNEL 33 #include "opt_hw_wdog.h" 34 #endif /* _KERNEL */ 35 36 #include <sys/param.h> 37 #include <sys/bootmaj.h> 38 39 #ifdef _KERNEL 40 #include <sys/systm.h> 41 #include <sys/kernel.h> 42 #include <sys/buf.h> 43 #include <sys/sysctl.h> 44 #include <sys/taskqueue.h> 45 #endif /* _KERNEL */ 46 47 #include <sys/devicestat.h> 48 #include <sys/conf.h> 49 #include <sys/disk.h> 50 #include <sys/eventhandler.h> 51 #ifdef _KERNEL 52 #include <sys/malloc.h> 53 #include <sys/cons.h> 54 #include <sys/proc.h> 55 #endif 56 #include <sys/buf2.h> 57 58 #include <machine/md_var.h> 59 60 #ifdef _KERNEL 61 #include <vm/vm.h> 62 #include <vm/pmap.h> 63 #endif 64 65 #ifndef _KERNEL 66 #include <stdio.h> 67 #include <string.h> 68 #endif /* _KERNEL */ 69 70 #include "../cam.h" 71 #include "../cam_ccb.h" 72 #include "../cam_extend.h" 73 #include "../cam_periph.h" 74 #include "../cam_xpt_periph.h" 75 76 #include "scsi_message.h" 77 78 #ifndef _KERNEL 79 #include "scsi_da.h" 80 #endif /* !_KERNEL */ 81 82 #ifdef _KERNEL 83 typedef enum { 84 DA_STATE_PROBE, 85 DA_STATE_NORMAL 86 } da_state; 87 88 typedef enum { 89 DA_FLAG_PACK_INVALID = 0x001, 90 DA_FLAG_NEW_PACK = 0x002, 91 DA_FLAG_PACK_LOCKED = 0x004, 92 DA_FLAG_PACK_REMOVABLE = 0x008, 93 DA_FLAG_TAGGED_QUEUING = 0x010, 94 DA_FLAG_NEED_OTAG = 0x020, 95 DA_FLAG_WENT_IDLE = 0x040, 96 DA_FLAG_RETRY_UA = 0x080, 97 DA_FLAG_OPEN = 0x100, 98 DA_FLAG_SCTX_INIT = 0x200 99 } da_flags; 100 101 typedef enum { 102 DA_Q_NONE = 0x00, 103 DA_Q_NO_SYNC_CACHE = 0x01, 104 DA_Q_NO_6_BYTE = 0x02, 105 DA_Q_NO_PREVENT = 0x04 106 } da_quirks; 107 108 typedef enum { 109 DA_CCB_PROBE = 0x01, 110 DA_CCB_BUFFER_IO = 0x02, 111 DA_CCB_WAITING = 0x03, 112 DA_CCB_DUMP = 0x04, 113 DA_CCB_TYPE_MASK = 0x0F, 114 DA_CCB_RETRY_UA = 0x10 115 } da_ccb_state; 116 117 /* Offsets into our private area for storing information */ 118 #define ccb_state ppriv_field0 119 #define ccb_bp ppriv_ptr1 120 121 struct disk_params { 122 u_int8_t heads; 123 u_int16_t cylinders; 124 u_int8_t secs_per_track; 125 u_int32_t secsize; /* Number of bytes/sector */ 126 u_int32_t sectors; /* total number sectors */ 127 }; 128 129 struct da_softc { 130 struct buf_queue_head buf_queue; 131 struct devstat device_stats; 132 SLIST_ENTRY(da_softc) links; 133 LIST_HEAD(, ccb_hdr) pending_ccbs; 134 da_state state; 135 da_flags flags; 136 da_quirks quirks; 137 int minimum_cmd_size; 138 int ordered_tag_count; 139 struct disk_params params; 140 struct disk disk; 141 union ccb saved_ccb; 142 struct task sysctl_task; 143 struct sysctl_ctx_list sysctl_ctx; 144 struct sysctl_oid *sysctl_tree; 145 }; 146 147 struct da_quirk_entry { 148 struct scsi_inquiry_pattern inq_pat; 149 da_quirks quirks; 150 }; 151 152 static const char quantum[] = "QUANTUM"; 153 static const char microp[] = "MICROP"; 154 155 static struct da_quirk_entry da_quirk_table[] = 156 { 157 /* SPI, FC devices */ 158 { 159 /* 160 * Fujitsu M2513A MO drives. 161 * Tested devices: M2513A2 firmware versions 1200 & 1300. 162 * (dip switch selects whether T_DIRECT or T_OPTICAL device) 163 * Reported by: W.Scholten <whs@xs4all.nl> 164 */ 165 {T_DIRECT, SIP_MEDIA_REMOVABLE, "FUJITSU", "M2513A", "*"}, 166 /*quirks*/ DA_Q_NO_SYNC_CACHE 167 }, 168 { 169 /* See above. */ 170 {T_OPTICAL, SIP_MEDIA_REMOVABLE, "FUJITSU", "M2513A", "*"}, 171 /*quirks*/ DA_Q_NO_SYNC_CACHE 172 }, 173 { 174 /* 175 * This particular Fujitsu drive doesn't like the 176 * synchronize cache command. 177 * Reported by: Tom Jackson <toj@gorilla.net> 178 */ 179 {T_DIRECT, SIP_MEDIA_FIXED, "FUJITSU", "M2954*", "*"}, 180 /*quirks*/ DA_Q_NO_SYNC_CACHE 181 182 }, 183 { 184 /* 185 * This drive doesn't like the synchronize cache command 186 * either. Reported by: Matthew Jacob <mjacob@feral.com> 187 * in NetBSD PR kern/6027, August 24, 1998. 188 */ 189 {T_DIRECT, SIP_MEDIA_FIXED, microp, "2217*", "*"}, 190 /*quirks*/ DA_Q_NO_SYNC_CACHE 191 }, 192 { 193 /* 194 * This drive doesn't like the synchronize cache command 195 * either. Reported by: Hellmuth Michaelis (hm@kts.org) 196 * (PR 8882). 197 */ 198 {T_DIRECT, SIP_MEDIA_FIXED, microp, "2112*", "*"}, 199 /*quirks*/ DA_Q_NO_SYNC_CACHE 200 }, 201 { 202 /* 203 * Doesn't like the synchronize cache command. 204 * Reported by: Blaz Zupan <blaz@gold.amis.net> 205 */ 206 {T_DIRECT, SIP_MEDIA_FIXED, "NEC", "D3847*", "*"}, 207 /*quirks*/ DA_Q_NO_SYNC_CACHE 208 }, 209 { 210 /* 211 * Doesn't like the synchronize cache command. 212 */ 213 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "MAVERICK 540S", "*"}, 214 /*quirks*/ DA_Q_NO_SYNC_CACHE 215 }, 216 { 217 /* 218 * Doesn't like the synchronize cache command. 219 */ 220 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "LPS525S", "*"}, 221 /*quirks*/ DA_Q_NO_SYNC_CACHE 222 }, 223 { 224 /* 225 * Doesn't work correctly with 6 byte reads/writes. 226 * Returns illegal request, and points to byte 9 of the 227 * 6-byte CDB. 228 * Reported by: Adam McDougall <bsdx@spawnet.com> 229 */ 230 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "VIKING 4*", "*"}, 231 /*quirks*/ DA_Q_NO_6_BYTE 232 }, 233 { 234 /* See above. */ 235 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "VIKING 2*", "*"}, 236 /*quirks*/ DA_Q_NO_6_BYTE 237 }, 238 /* XXX USB floppy quirks temporarily enabled for 4.9R */ 239 /* USB floppy devices supported by umass(4) */ 240 { 241 /* 242 * This USB floppy drive uses the UFI command set. This 243 * command set is a derivative of the ATAPI command set and 244 * does not support READ_6 commands only READ_10. It also does 245 * not support sync cache (0x35). 246 */ 247 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Y-E DATA", "USB-FDU", "*"}, 248 /*quirks*/ DA_Q_NO_SYNC_CACHE 249 }, 250 { 251 /* Another USB floppy */ 252 {T_DIRECT, SIP_MEDIA_REMOVABLE, "MATSHITA", "FDD CF-VFDU*","*"}, 253 /*quirks*/ DA_Q_NO_SYNC_CACHE 254 }, 255 { 256 /* 257 * The vendor, product and version strings coming from the 258 * controller are null terminated instead of being padded with 259 * spaces. The trailing wildcard character '*' is required. 260 */ 261 {T_DIRECT, SIP_MEDIA_REMOVABLE, "SMSC*", "USB FDC*","*"}, 262 /*quirks*/ DA_Q_NO_SYNC_CACHE 263 }, 264 { 265 /* 266 * SmartDisk (Mitsumi) USB floppy drive 267 * PR: kern/50226 268 */ 269 {T_DIRECT, SIP_MEDIA_REMOVABLE, "MITSUMI", "USB FDD", "*"}, 270 /*quirks*/ DA_Q_NO_SYNC_CACHE 271 }, 272 #ifdef DA_OLD_QUIRKS 273 /* USB mass storage devices supported by umass(4) */ 274 { 275 /* 276 * Sony Memory Stick adapter MSAC-US1 and 277 * Sony PCG-C1VJ Internal Memory Stick Slot (MSC-U01). 278 * Make all sony MS* products use this quirk. 279 */ 280 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Sony", "MS*", "*"}, 281 /*quirks*/ DA_Q_NO_SYNC_CACHE 282 }, 283 { 284 /* 285 * Sony Memory Stick adapter for the CLIE series 286 * of PalmOS PDA's 287 */ 288 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Sony", "CLIE*", "*"}, 289 /*quirks*/ DA_Q_NO_SYNC_CACHE 290 }, 291 { 292 /* 293 * Intelligent Stick USB disk-on-key 294 * PR: kern/53005 295 */ 296 {T_DIRECT, SIP_MEDIA_REMOVABLE, "USB Card", 297 "IntelligentStick*", "*"}, 298 /*quirks*/ DA_Q_NO_SYNC_CACHE 299 }, 300 { 301 /* 302 * Sony DSC cameras (DSC-S30, DSC-S50, DSC-S70) 303 */ 304 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Sony", "Sony DSC", "*"}, 305 /*quirks*/ DA_Q_NO_SYNC_CACHE 306 }, 307 { 308 /* 309 * Microtech USB CameraMate 310 */ 311 {T_DIRECT, SIP_MEDIA_REMOVABLE, "eUSB Compact*", 312 "Compact Flash*", "*"}, 313 /*quirks*/ DA_Q_NO_SYNC_CACHE 314 }, 315 { 316 /* 317 * Olympus digital cameras (C-3040ZOOM, C-2040ZOOM, C-1) 318 */ 319 {T_DIRECT, SIP_MEDIA_REMOVABLE, "OLYMPUS", "C-*", "*"}, 320 /*quirks*/ DA_Q_NO_SYNC_CACHE 321 }, 322 { 323 /* 324 * Olympus digital cameras (E-100RS, E-10). 325 */ 326 {T_DIRECT, SIP_MEDIA_REMOVABLE, "OLYMPUS", "E-*", "*"}, 327 /*quirks*/ DA_Q_NO_SYNC_CACHE 328 }, 329 { 330 /* 331 * KingByte Pen Drives 332 */ 333 {T_DIRECT, SIP_MEDIA_REMOVABLE, "NO BRAND", "PEN DRIVE", "*"}, 334 /*quirks*/ DA_Q_NO_SYNC_CACHE 335 }, 336 { 337 /* 338 * FujiFilm Camera 339 */ 340 {T_DIRECT, SIP_MEDIA_REMOVABLE, "FUJIFILMUSB-DRIVEUNIT", 341 "USB-DRIVEUNIT", "*"}, 342 /*quirks*/ DA_Q_NO_SYNC_CACHE 343 }, 344 { 345 /* 346 * Minolta Dimage E203 347 */ 348 {T_DIRECT, SIP_MEDIA_REMOVABLE, "MINOLTA", "DiMAGE E203", "*"}, 349 /*quirks*/ DA_Q_NO_SYNC_CACHE 350 }, 351 { 352 /* 353 * Apacer HandyDrive 354 * PR: kern/43627 355 */ 356 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Apacer", "HandyDrive", "*"}, 357 /*quirks*/ DA_Q_NO_SYNC_CACHE 358 }, 359 { 360 /* 361 * Daisy Technology PhotoClip on Zoran chip 362 * PR: kern/43580 363 */ 364 {T_DIRECT, SIP_MEDIA_REMOVABLE, "ZORAN", "COACH", "*"}, 365 /*quirks*/ DA_Q_NO_SYNC_CACHE 366 }, 367 { 368 /* 369 * Sony USB Key-Storage 370 * PR: kern/46386 371 */ 372 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Sony", "Storage Media", "*"}, 373 /*quirks*/ DA_Q_NO_SYNC_CACHE 374 }, 375 #endif /* DA_OLD_QUIRKS */ 376 { 377 /* 378 * EXATELECOM (Sigmatel) i-Bead 100/105 USB Flash MP3 Player 379 * PR: kern/51675 380 */ 381 {T_DIRECT, SIP_MEDIA_REMOVABLE, "EXATEL", "i-BEAD10*", "*"}, 382 /*quirks*/ DA_Q_NO_SYNC_CACHE 383 }, 384 { 385 /* 386 * Jungsoft NEXDISK USB flash key 387 * PR: kern/54737 388 */ 389 {T_DIRECT, SIP_MEDIA_REMOVABLE, "JUNGSOFT", "NEXDISK*", "*"}, 390 /*quirks*/ DA_Q_NO_SYNC_CACHE 391 }, 392 { 393 /* 394 * Creative Nomad MUVO mp3 player (USB) 395 * PR: kern/53094 396 */ 397 {T_DIRECT, SIP_MEDIA_REMOVABLE, "CREATIVE", "NOMAD_MUVO", "*"}, 398 /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT 399 }, 400 }; 401 402 static d_open_t daopen; 403 static d_close_t daclose; 404 static d_strategy_t dastrategy; 405 static d_ioctl_t daioctl; 406 static d_dump_t dadump; 407 static periph_init_t dainit; 408 static void daasync(void *callback_arg, u_int32_t code, 409 struct cam_path *path, void *arg); 410 static int dacmdsizesysctl(SYSCTL_HANDLER_ARGS); 411 static periph_ctor_t daregister; 412 static periph_dtor_t dacleanup; 413 static periph_start_t dastart; 414 static periph_oninv_t daoninvalidate; 415 static void dadone(struct cam_periph *periph, 416 union ccb *done_ccb); 417 static int daerror(union ccb *ccb, u_int32_t cam_flags, 418 u_int32_t sense_flags); 419 static void daprevent(struct cam_periph *periph, int action); 420 static void dasetgeom(struct cam_periph *periph, 421 struct scsi_read_capacity_data * rdcap); 422 static timeout_t dasendorderedtag; 423 static void dashutdown(void *arg, int howto); 424 425 #ifndef DA_DEFAULT_TIMEOUT 426 #define DA_DEFAULT_TIMEOUT 60 /* Timeout in seconds */ 427 #endif 428 429 #ifndef DA_DEFAULT_RETRY 430 #define DA_DEFAULT_RETRY 4 431 #endif 432 433 static int da_retry_count = DA_DEFAULT_RETRY; 434 static int da_default_timeout = DA_DEFAULT_TIMEOUT; 435 436 SYSCTL_NODE(_kern, OID_AUTO, cam, CTLFLAG_RD, 0, "CAM Subsystem"); 437 SYSCTL_NODE(_kern_cam, OID_AUTO, da, CTLFLAG_RD, 0, 438 "CAM Direct Access Disk driver"); 439 SYSCTL_INT(_kern_cam_da, OID_AUTO, retry_count, CTLFLAG_RW, 440 &da_retry_count, 0, "Normal I/O retry count"); 441 TUNABLE_INT("kern.cam.da.retry_count", &da_retry_count); 442 SYSCTL_INT(_kern_cam_da, OID_AUTO, default_timeout, CTLFLAG_RW, 443 &da_default_timeout, 0, "Normal I/O timeout (in seconds)"); 444 TUNABLE_INT("kern.cam.da.default_timeout", &da_default_timeout); 445 446 /* 447 * DA_ORDEREDTAG_INTERVAL determines how often, relative 448 * to the default timeout, we check to see whether an ordered 449 * tagged transaction is appropriate to prevent simple tag 450 * starvation. Since we'd like to ensure that there is at least 451 * 1/2 of the timeout length left for a starved transaction to 452 * complete after we've sent an ordered tag, we must poll at least 453 * four times in every timeout period. This takes care of the worst 454 * case where a starved transaction starts during an interval that 455 * meets the requirement "don't send an ordered tag" test so it takes 456 * us two intervals to determine that a tag must be sent. 457 */ 458 #ifndef DA_ORDEREDTAG_INTERVAL 459 #define DA_ORDEREDTAG_INTERVAL 4 460 #endif 461 462 static struct periph_driver dadriver = 463 { 464 dainit, "da", 465 TAILQ_HEAD_INITIALIZER(dadriver.units), /* generation */ 0 466 }; 467 468 DATA_SET(periphdriver_set, dadriver); 469 470 /* For 2.2-stable support */ 471 #ifndef D_DISK 472 #define D_DISK 0 473 #endif 474 475 static struct cdevsw da_cdevsw = { 476 /* name */ "da", 477 /* maj */ DA_CDEV_MAJOR, 478 /* flags */ D_DISK, 479 /* port */ NULL, 480 /* autoq */ 0, 481 482 /* open */ daopen, 483 /* close */ daclose, 484 /* read */ physread, 485 /* write */ physwrite, 486 /* ioctl */ daioctl, 487 /* poll */ nopoll, 488 /* mmap */ nommap, 489 /* strategy */ dastrategy, 490 /* dump */ dadump, 491 /* psize */ nopsize 492 }; 493 494 static SLIST_HEAD(,da_softc) softc_list; 495 static struct extend_array *daperiphs; 496 497 static int 498 daopen(dev_t dev, int flags, int fmt, struct thread *td) 499 { 500 struct cam_periph *periph; 501 struct da_softc *softc; 502 struct disklabel *label; 503 int unit; 504 int part; 505 int error; 506 int s; 507 508 unit = dkunit(dev); 509 part = dkpart(dev); 510 periph = cam_extend_get(daperiphs, unit); 511 if (periph == NULL) 512 return (ENXIO); 513 514 softc = (struct da_softc *)periph->softc; 515 516 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 517 ("daopen: dev=%s (unit %d , partition %d)\n", devtoname(dev), 518 unit, part)); 519 520 if ((error = cam_periph_lock(periph, PCATCH)) != 0) { 521 return (error); /* error code from tsleep */ 522 } 523 524 if (cam_periph_acquire(periph) != CAM_REQ_CMP) 525 return(ENXIO); 526 softc->flags |= DA_FLAG_OPEN; 527 528 s = splsoftcam(); 529 if ((softc->flags & DA_FLAG_PACK_INVALID) != 0) { 530 /* Invalidate our pack information. */ 531 disk_invalidate(&softc->disk); 532 softc->flags &= ~DA_FLAG_PACK_INVALID; 533 } 534 splx(s); 535 536 /* Do a read capacity */ 537 { 538 struct scsi_read_capacity_data *rcap; 539 union ccb *ccb; 540 541 rcap = (struct scsi_read_capacity_data *)malloc(sizeof(*rcap), 542 M_TEMP, 543 M_WAITOK); 544 545 ccb = cam_periph_getccb(periph, /*priority*/1); 546 scsi_read_capacity(&ccb->csio, 547 /*retries*/1, 548 /*cbfncp*/dadone, 549 MSG_SIMPLE_Q_TAG, 550 rcap, 551 SSD_FULL_SIZE, 552 /*timeout*/60000); 553 ccb->ccb_h.ccb_bp = NULL; 554 555 error = cam_periph_runccb(ccb, daerror, /*cam_flags*/0, 556 /*sense_flags*/SF_RETRY_UA | 557 SF_RETRY_SELTO, 558 &softc->device_stats); 559 560 xpt_release_ccb(ccb); 561 562 if (error == 0) { 563 dasetgeom(periph, rcap); 564 } 565 566 free(rcap, M_TEMP); 567 } 568 569 if (error == 0) { 570 struct ccb_getdev cgd; 571 572 /* Build label for whole disk. */ 573 label = &softc->disk.d_label; 574 bzero(label, sizeof(*label)); 575 label->d_type = DTYPE_SCSI; 576 577 /* 578 * Grab the inquiry data to get the vendor and product names. 579 * Put them in the typename and packname for the label. 580 */ 581 xpt_setup_ccb(&cgd.ccb_h, periph->path, /*priority*/ 1); 582 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 583 xpt_action((union ccb *)&cgd); 584 585 strncpy(label->d_typename, cgd.inq_data.vendor, 586 min(SID_VENDOR_SIZE, sizeof(label->d_typename))); 587 strncpy(label->d_packname, cgd.inq_data.product, 588 min(SID_PRODUCT_SIZE, sizeof(label->d_packname))); 589 590 label->d_secsize = softc->params.secsize; 591 label->d_nsectors = softc->params.secs_per_track; 592 label->d_ntracks = softc->params.heads; 593 label->d_ncylinders = softc->params.cylinders; 594 label->d_secpercyl = softc->params.heads 595 * softc->params.secs_per_track; 596 label->d_secperunit = softc->params.sectors; 597 598 if ((softc->flags & DA_FLAG_PACK_REMOVABLE) != 0 && 599 (softc->quirks & DA_Q_NO_PREVENT) == 0) 600 daprevent(periph, PR_PREVENT); 601 602 /* 603 * Check to see whether or not the blocksize is set yet. 604 * If it isn't, set it and then clear the blocksize 605 * unavailable flag for the device statistics. 606 */ 607 if ((softc->device_stats.flags & DEVSTAT_BS_UNAVAILABLE) != 0){ 608 softc->device_stats.block_size = softc->params.secsize; 609 softc->device_stats.flags &= ~DEVSTAT_BS_UNAVAILABLE; 610 } 611 } 612 613 if (error != 0) { 614 if ((softc->flags & DA_FLAG_PACK_REMOVABLE) != 0 && 615 (softc->quirks & DA_Q_NO_PREVENT) == 0) 616 daprevent(periph, PR_ALLOW); 617 softc->flags &= ~DA_FLAG_OPEN; 618 cam_periph_release(periph); 619 } 620 cam_periph_unlock(periph); 621 return (error); 622 } 623 624 static int 625 daclose(dev_t dev, int flag, int fmt, struct thread *td) 626 { 627 struct cam_periph *periph; 628 struct da_softc *softc; 629 int unit; 630 int error; 631 632 unit = dkunit(dev); 633 periph = cam_extend_get(daperiphs, unit); 634 if (periph == NULL) 635 return (ENXIO); 636 637 softc = (struct da_softc *)periph->softc; 638 639 if ((error = cam_periph_lock(periph, 0)) != 0) { 640 return (error); /* error code from tsleep */ 641 } 642 643 if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) { 644 union ccb *ccb; 645 646 ccb = cam_periph_getccb(periph, /*priority*/1); 647 648 scsi_synchronize_cache(&ccb->csio, 649 /*retries*/1, 650 /*cbfcnp*/dadone, 651 MSG_SIMPLE_Q_TAG, 652 /*begin_lba*/0,/* Cover the whole disk */ 653 /*lb_count*/0, 654 SSD_FULL_SIZE, 655 5 * 60 * 1000); 656 657 cam_periph_runccb(ccb, /*error_routine*/NULL, /*cam_flags*/0, 658 /*sense_flags*/SF_RETRY_UA, 659 &softc->device_stats); 660 661 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 662 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == 663 CAM_SCSI_STATUS_ERROR) { 664 int asc, ascq; 665 int sense_key, error_code; 666 667 scsi_extract_sense(&ccb->csio.sense_data, 668 &error_code, 669 &sense_key, 670 &asc, &ascq); 671 if (sense_key != SSD_KEY_ILLEGAL_REQUEST) 672 scsi_sense_print(&ccb->csio); 673 } else { 674 xpt_print_path(periph->path); 675 printf("Synchronize cache failed, status " 676 "== 0x%x, scsi status == 0x%x\n", 677 ccb->csio.ccb_h.status, 678 ccb->csio.scsi_status); 679 } 680 } 681 682 if ((ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 683 cam_release_devq(ccb->ccb_h.path, 684 /*relsim_flags*/0, 685 /*reduction*/0, 686 /*timeout*/0, 687 /*getcount_only*/0); 688 689 xpt_release_ccb(ccb); 690 691 } 692 693 if ((softc->flags & DA_FLAG_PACK_REMOVABLE) != 0) { 694 if ((softc->quirks & DA_Q_NO_PREVENT) == 0) 695 daprevent(periph, PR_ALLOW); 696 /* 697 * If we've got removeable media, mark the blocksize as 698 * unavailable, since it could change when new media is 699 * inserted. 700 */ 701 softc->device_stats.flags |= DEVSTAT_BS_UNAVAILABLE; 702 } 703 704 softc->flags &= ~DA_FLAG_OPEN; 705 cam_periph_unlock(periph); 706 cam_periph_release(periph); 707 return (0); 708 } 709 710 /* 711 * Actually translate the requested transfer into one the physical driver 712 * can understand. The transfer is described by a buf and will include 713 * only one physical transfer. 714 */ 715 static void 716 dastrategy(struct buf *bp) 717 { 718 struct cam_periph *periph; 719 struct da_softc *softc; 720 u_int unit; 721 u_int part; 722 int s; 723 724 unit = dkunit(bp->b_dev); 725 part = dkpart(bp->b_dev); 726 periph = cam_extend_get(daperiphs, unit); 727 if (periph == NULL) { 728 bp->b_error = ENXIO; 729 goto bad; 730 } 731 softc = (struct da_softc *)periph->softc; 732 #if 0 733 /* 734 * check it's not too big a transfer for our adapter 735 */ 736 scsi_minphys(bp,&sd_switch); 737 #endif 738 739 /* 740 * Mask interrupts so that the pack cannot be invalidated until 741 * after we are in the queue. Otherwise, we might not properly 742 * clean up one of the buffers. 743 */ 744 s = splbio(); 745 746 /* 747 * If the device has been made invalid, error out 748 */ 749 if ((softc->flags & DA_FLAG_PACK_INVALID)) { 750 splx(s); 751 bp->b_error = ENXIO; 752 goto bad; 753 } 754 755 /* 756 * Place it in the queue of disk activities for this disk 757 */ 758 bufqdisksort(&softc->buf_queue, bp); 759 760 splx(s); 761 762 /* 763 * Schedule ourselves for performing the work. 764 */ 765 xpt_schedule(periph, /* XXX priority */1); 766 767 return; 768 bad: 769 bp->b_flags |= B_ERROR; 770 771 /* 772 * Correctly set the buf to indicate a completed xfer 773 */ 774 bp->b_resid = bp->b_bcount; 775 biodone(bp); 776 return; 777 } 778 779 /* For 2.2-stable support */ 780 #ifndef ENOIOCTL 781 #define ENOIOCTL -1 782 #endif 783 784 static int 785 daioctl(dev_t dev, u_long cmd, caddr_t addr, int flag, struct thread *td) 786 { 787 struct cam_periph *periph; 788 struct da_softc *softc; 789 int unit; 790 int error; 791 792 unit = dkunit(dev); 793 periph = cam_extend_get(daperiphs, unit); 794 if (periph == NULL) 795 return (ENXIO); 796 797 softc = (struct da_softc *)periph->softc; 798 799 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("daioctl\n")); 800 801 if ((error = cam_periph_lock(periph, PCATCH)) != 0) { 802 return (error); /* error code from tsleep */ 803 } 804 805 error = cam_periph_ioctl(periph, cmd, addr, daerror); 806 807 cam_periph_unlock(periph); 808 809 return (error); 810 } 811 812 static int 813 dadump(dev_t dev) 814 { 815 struct cam_periph *periph; 816 struct da_softc *softc; 817 u_int unit; 818 u_int part; 819 u_int secsize; 820 u_int num; /* number of sectors to write */ 821 u_int blknum; 822 long blkcnt; 823 vm_paddr_t addr; 824 struct ccb_scsiio csio; 825 int dumppages = MAXDUMPPGS; 826 int error; 827 int i; 828 829 /* toss any characters present prior to dump */ 830 while (cncheckc() != -1) 831 ; 832 833 unit = dkunit(dev); 834 part = dkpart(dev); 835 periph = cam_extend_get(daperiphs, unit); 836 if (periph == NULL) { 837 return (ENXIO); 838 } 839 softc = (struct da_softc *)periph->softc; 840 841 if ((softc->flags & DA_FLAG_PACK_INVALID) != 0) 842 return (ENXIO); 843 844 error = disk_dumpcheck(dev, &num, &blknum, &secsize); 845 if (error) 846 return (error); 847 848 addr = 0; /* starting address */ 849 blkcnt = howmany(PAGE_SIZE, secsize); 850 851 while (num > 0) { 852 caddr_t va = NULL; 853 854 if ((num / blkcnt) < dumppages) 855 dumppages = num / blkcnt; 856 857 for (i = 0; i < dumppages; ++i) { 858 vm_paddr_t a = addr + (i * PAGE_SIZE); 859 if (is_physical_memory(a)) 860 va = pmap_kenter_temporary(trunc_page(a), i); 861 else 862 va = pmap_kenter_temporary(trunc_page(0), i); 863 } 864 865 xpt_setup_ccb(&csio.ccb_h, periph->path, /*priority*/1); 866 csio.ccb_h.ccb_state = DA_CCB_DUMP; 867 scsi_read_write(&csio, 868 /*retries*/1, 869 dadone, 870 MSG_ORDERED_Q_TAG, 871 /*read*/FALSE, 872 /*byte2*/0, 873 /*minimum_cmd_size*/ softc->minimum_cmd_size, 874 blknum, 875 blkcnt * dumppages, 876 /*data_ptr*/(u_int8_t *) va, 877 /*dxfer_len*/blkcnt * secsize * dumppages, 878 /*sense_len*/SSD_FULL_SIZE, 879 DA_DEFAULT_TIMEOUT * 1000); 880 xpt_polled_action((union ccb *)&csio); 881 882 if ((csio.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 883 printf("Aborting dump due to I/O error.\n"); 884 if ((csio.ccb_h.status & CAM_STATUS_MASK) == 885 CAM_SCSI_STATUS_ERROR) 886 scsi_sense_print(&csio); 887 else 888 printf("status == 0x%x, scsi status == 0x%x\n", 889 csio.ccb_h.status, csio.scsi_status); 890 return(EIO); 891 } 892 893 if (dumpstatus(addr, (off_t)num * softc->params.secsize) < 0) 894 return (EINTR); 895 896 /* update block count */ 897 num -= blkcnt * dumppages; 898 blknum += blkcnt * dumppages; 899 addr += PAGE_SIZE * dumppages; 900 } 901 902 /* 903 * Sync the disk cache contents to the physical media. 904 */ 905 if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) { 906 907 xpt_setup_ccb(&csio.ccb_h, periph->path, /*priority*/1); 908 csio.ccb_h.ccb_state = DA_CCB_DUMP; 909 scsi_synchronize_cache(&csio, 910 /*retries*/1, 911 /*cbfcnp*/dadone, 912 MSG_SIMPLE_Q_TAG, 913 /*begin_lba*/0,/* Cover the whole disk */ 914 /*lb_count*/0, 915 SSD_FULL_SIZE, 916 5 * 60 * 1000); 917 xpt_polled_action((union ccb *)&csio); 918 919 if ((csio.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 920 if ((csio.ccb_h.status & CAM_STATUS_MASK) == 921 CAM_SCSI_STATUS_ERROR) { 922 int asc, ascq; 923 int sense_key, error_code; 924 925 scsi_extract_sense(&csio.sense_data, 926 &error_code, 927 &sense_key, 928 &asc, &ascq); 929 if (sense_key != SSD_KEY_ILLEGAL_REQUEST) 930 scsi_sense_print(&csio); 931 } else { 932 xpt_print_path(periph->path); 933 printf("Synchronize cache failed, status " 934 "== 0x%x, scsi status == 0x%x\n", 935 csio.ccb_h.status, csio.scsi_status); 936 } 937 } 938 } 939 return (0); 940 } 941 942 static void 943 dainit(void) 944 { 945 cam_status status; 946 struct cam_path *path; 947 948 /* 949 * Create our extend array for storing the devices we attach to. 950 */ 951 daperiphs = cam_extend_new(); 952 SLIST_INIT(&softc_list); 953 if (daperiphs == NULL) { 954 printf("da: Failed to alloc extend array!\n"); 955 return; 956 } 957 958 /* 959 * Install a global async callback. This callback will 960 * receive async callbacks like "new device found". 961 */ 962 status = xpt_create_path(&path, /*periph*/NULL, CAM_XPT_PATH_ID, 963 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD); 964 965 if (status == CAM_REQ_CMP) { 966 struct ccb_setasync csa; 967 968 xpt_setup_ccb(&csa.ccb_h, path, /*priority*/5); 969 csa.ccb_h.func_code = XPT_SASYNC_CB; 970 csa.event_enable = AC_FOUND_DEVICE; 971 csa.callback = daasync; 972 csa.callback_arg = NULL; 973 xpt_action((union ccb *)&csa); 974 status = csa.ccb_h.status; 975 xpt_free_path(path); 976 } 977 978 if (status != CAM_REQ_CMP) { 979 printf("da: Failed to attach master async callback " 980 "due to status 0x%x!\n", status); 981 } else { 982 983 /* 984 * Schedule a periodic event to occasionally send an 985 * ordered tag to a device. 986 */ 987 timeout(dasendorderedtag, NULL, 988 (DA_DEFAULT_TIMEOUT * hz) / DA_ORDEREDTAG_INTERVAL); 989 990 /* Register our shutdown event handler */ 991 if ((EVENTHANDLER_REGISTER(shutdown_post_sync, dashutdown, 992 NULL, SHUTDOWN_PRI_DEFAULT)) == NULL) 993 printf("dainit: shutdown event registration failed!\n"); 994 } 995 } 996 997 static void 998 daoninvalidate(struct cam_periph *periph) 999 { 1000 int s; 1001 struct da_softc *softc; 1002 struct buf *q_bp; 1003 struct ccb_setasync csa; 1004 1005 softc = (struct da_softc *)periph->softc; 1006 1007 /* 1008 * De-register any async callbacks. 1009 */ 1010 xpt_setup_ccb(&csa.ccb_h, periph->path, 1011 /* priority */ 5); 1012 csa.ccb_h.func_code = XPT_SASYNC_CB; 1013 csa.event_enable = 0; 1014 csa.callback = daasync; 1015 csa.callback_arg = periph; 1016 xpt_action((union ccb *)&csa); 1017 1018 softc->flags |= DA_FLAG_PACK_INVALID; 1019 1020 /* 1021 * Although the oninvalidate() routines are always called at 1022 * splsoftcam, we need to be at splbio() here to keep the buffer 1023 * queue from being modified while we traverse it. 1024 */ 1025 s = splbio(); 1026 1027 /* 1028 * Return all queued I/O with ENXIO. 1029 * XXX Handle any transactions queued to the card 1030 * with XPT_ABORT_CCB. 1031 */ 1032 while ((q_bp = bufq_first(&softc->buf_queue)) != NULL){ 1033 bufq_remove(&softc->buf_queue, q_bp); 1034 q_bp->b_resid = q_bp->b_bcount; 1035 q_bp->b_error = ENXIO; 1036 q_bp->b_flags |= B_ERROR; 1037 biodone(q_bp); 1038 } 1039 splx(s); 1040 1041 SLIST_REMOVE(&softc_list, softc, da_softc, links); 1042 1043 xpt_print_path(periph->path); 1044 printf("lost device\n"); 1045 } 1046 1047 static void 1048 dacleanup(struct cam_periph *periph) 1049 { 1050 struct da_softc *softc; 1051 1052 softc = (struct da_softc *)periph->softc; 1053 1054 devstat_remove_entry(&softc->device_stats); 1055 cam_extend_release(daperiphs, periph->unit_number); 1056 xpt_print_path(periph->path); 1057 printf("removing device entry\n"); 1058 /* 1059 * If we can't free the sysctl tree, oh well... 1060 */ 1061 if ((softc->flags & DA_FLAG_SCTX_INIT) != 0 1062 && sysctl_ctx_free(&softc->sysctl_ctx) != 0) { 1063 xpt_print_path(periph->path); 1064 printf("can't remove sysctl context\n"); 1065 } 1066 if (softc->disk.d_dev) { 1067 disk_destroy(&softc->disk); 1068 } 1069 free(softc, M_DEVBUF); 1070 } 1071 1072 static void 1073 daasync(void *callback_arg, u_int32_t code, 1074 struct cam_path *path, void *arg) 1075 { 1076 struct cam_periph *periph; 1077 1078 periph = (struct cam_periph *)callback_arg; 1079 switch (code) { 1080 case AC_FOUND_DEVICE: 1081 { 1082 struct ccb_getdev *cgd; 1083 cam_status status; 1084 1085 cgd = (struct ccb_getdev *)arg; 1086 1087 if (SID_TYPE(&cgd->inq_data) != T_DIRECT 1088 && SID_TYPE(&cgd->inq_data) != T_RBC 1089 && SID_TYPE(&cgd->inq_data) != T_OPTICAL) 1090 break; 1091 1092 /* 1093 * Allocate a peripheral instance for 1094 * this device and start the probe 1095 * process. 1096 */ 1097 status = cam_periph_alloc(daregister, daoninvalidate, 1098 dacleanup, dastart, 1099 "da", CAM_PERIPH_BIO, 1100 cgd->ccb_h.path, daasync, 1101 AC_FOUND_DEVICE, cgd); 1102 1103 if (status != CAM_REQ_CMP 1104 && status != CAM_REQ_INPROG) 1105 printf("daasync: Unable to attach to new device " 1106 "due to status 0x%x\n", status); 1107 break; 1108 } 1109 case AC_SENT_BDR: 1110 case AC_BUS_RESET: 1111 { 1112 struct da_softc *softc; 1113 struct ccb_hdr *ccbh; 1114 int s; 1115 1116 softc = (struct da_softc *)periph->softc; 1117 s = splsoftcam(); 1118 /* 1119 * Don't fail on the expected unit attention 1120 * that will occur. 1121 */ 1122 softc->flags |= DA_FLAG_RETRY_UA; 1123 for (ccbh = LIST_FIRST(&softc->pending_ccbs); 1124 ccbh != NULL; ccbh = LIST_NEXT(ccbh, periph_links.le)) 1125 ccbh->ccb_state |= DA_CCB_RETRY_UA; 1126 splx(s); 1127 /* FALLTHROUGH*/ 1128 } 1129 default: 1130 cam_periph_async(periph, code, path, arg); 1131 break; 1132 } 1133 } 1134 1135 static void 1136 dasysctlinit(void *context, int pending) 1137 { 1138 struct cam_periph *periph; 1139 struct da_softc *softc; 1140 char tmpstr[80], tmpstr2[80]; 1141 1142 periph = (struct cam_periph *)context; 1143 softc = (struct da_softc *)periph->softc; 1144 1145 snprintf(tmpstr, sizeof(tmpstr), "CAM DA unit %d", periph->unit_number); 1146 snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number); 1147 1148 sysctl_ctx_init(&softc->sysctl_ctx); 1149 softc->flags |= DA_FLAG_SCTX_INIT; 1150 softc->sysctl_tree = SYSCTL_ADD_NODE(&softc->sysctl_ctx, 1151 SYSCTL_STATIC_CHILDREN(_kern_cam_da), OID_AUTO, tmpstr2, 1152 CTLFLAG_RD, 0, tmpstr); 1153 if (softc->sysctl_tree == NULL) { 1154 printf("dasysctlinit: unable to allocate sysctl tree\n"); 1155 return; 1156 } 1157 1158 /* 1159 * Now register the sysctl handler, so the user can the value on 1160 * the fly. 1161 */ 1162 SYSCTL_ADD_PROC(&softc->sysctl_ctx,SYSCTL_CHILDREN(softc->sysctl_tree), 1163 OID_AUTO, "minimum_cmd_size", CTLTYPE_INT | CTLFLAG_RW, 1164 &softc->minimum_cmd_size, 0, dacmdsizesysctl, "I", 1165 "Minimum CDB size"); 1166 } 1167 1168 static int 1169 dacmdsizesysctl(SYSCTL_HANDLER_ARGS) 1170 { 1171 int error, value; 1172 1173 value = *(int *)arg1; 1174 1175 error = sysctl_handle_int(oidp, &value, 0, req); 1176 1177 if ((error != 0) 1178 || (req->newptr == NULL)) 1179 return (error); 1180 1181 /* 1182 * Acceptable values here are 6, 10 or 12. It's possible we may 1183 * support a 16 byte minimum command size in the future, since 1184 * there are now READ(16) and WRITE(16) commands defined in the 1185 * SBC-2 spec. 1186 */ 1187 if (value < 6) 1188 value = 6; 1189 else if ((value > 6) 1190 && (value <= 10)) 1191 value = 10; 1192 else if (value > 10) 1193 value = 12; 1194 1195 *(int *)arg1 = value; 1196 1197 return (0); 1198 } 1199 1200 static cam_status 1201 daregister(struct cam_periph *periph, void *arg) 1202 { 1203 int s; 1204 struct da_softc *softc; 1205 struct ccb_setasync csa; 1206 struct ccb_pathinq cpi; 1207 struct ccb_getdev *cgd; 1208 char tmpstr[80]; 1209 caddr_t match; 1210 1211 cgd = (struct ccb_getdev *)arg; 1212 if (periph == NULL) { 1213 printf("daregister: periph was NULL!!\n"); 1214 return(CAM_REQ_CMP_ERR); 1215 } 1216 1217 if (cgd == NULL) { 1218 printf("daregister: no getdev CCB, can't register device\n"); 1219 return(CAM_REQ_CMP_ERR); 1220 } 1221 1222 softc = (struct da_softc *)malloc(sizeof(*softc),M_DEVBUF,M_NOWAIT); 1223 1224 if (softc == NULL) { 1225 printf("daregister: Unable to probe new device. " 1226 "Unable to allocate softc\n"); 1227 return(CAM_REQ_CMP_ERR); 1228 } 1229 1230 bzero(softc, sizeof(*softc)); 1231 LIST_INIT(&softc->pending_ccbs); 1232 softc->state = DA_STATE_PROBE; 1233 bufq_init(&softc->buf_queue); 1234 if (SID_IS_REMOVABLE(&cgd->inq_data)) 1235 softc->flags |= DA_FLAG_PACK_REMOVABLE; 1236 if ((cgd->inq_data.flags & SID_CmdQue) != 0) 1237 softc->flags |= DA_FLAG_TAGGED_QUEUING; 1238 1239 periph->softc = softc; 1240 1241 cam_extend_set(daperiphs, periph->unit_number, periph); 1242 1243 /* 1244 * See if this device has any quirks. 1245 */ 1246 match = cam_quirkmatch((caddr_t)&cgd->inq_data, 1247 (caddr_t)da_quirk_table, 1248 sizeof(da_quirk_table)/sizeof(*da_quirk_table), 1249 sizeof(*da_quirk_table), scsi_inquiry_match); 1250 1251 if (match != NULL) 1252 softc->quirks = ((struct da_quirk_entry *)match)->quirks; 1253 else 1254 softc->quirks = DA_Q_NONE; 1255 1256 TASK_INIT(&softc->sysctl_task, 0, dasysctlinit, periph); 1257 1258 /* Check if the SIM does not want 6 byte commands */ 1259 xpt_setup_ccb(&cpi.ccb_h, periph->path, /*priority*/1); 1260 cpi.ccb_h.func_code = XPT_PATH_INQ; 1261 xpt_action((union ccb *)&cpi); 1262 if (cpi.ccb_h.status == CAM_REQ_CMP && (cpi.hba_misc & PIM_NO_6_BYTE)) 1263 softc->quirks |= DA_Q_NO_6_BYTE; 1264 1265 /* 1266 * RBC devices don't have to support READ(6), only READ(10). 1267 */ 1268 if (softc->quirks & DA_Q_NO_6_BYTE || SID_TYPE(&cgd->inq_data) == T_RBC) 1269 softc->minimum_cmd_size = 10; 1270 else 1271 softc->minimum_cmd_size = 6; 1272 1273 /* 1274 * Load the user's default, if any. 1275 */ 1276 snprintf(tmpstr, sizeof(tmpstr), "kern.cam.da.%d.minimum_cmd_size", 1277 periph->unit_number); 1278 TUNABLE_INT_FETCH(tmpstr, &softc->minimum_cmd_size); 1279 1280 /* 1281 * 6, 10 and 12 are the currently permissible values. 1282 */ 1283 if (softc->minimum_cmd_size < 6) 1284 softc->minimum_cmd_size = 6; 1285 else if ((softc->minimum_cmd_size > 6) 1286 && (softc->minimum_cmd_size <= 10)) 1287 softc->minimum_cmd_size = 10; 1288 else if (softc->minimum_cmd_size > 12) 1289 softc->minimum_cmd_size = 12; 1290 1291 /* 1292 * Block our timeout handler while we 1293 * add this softc to the dev list. 1294 */ 1295 s = splsoftclock(); 1296 SLIST_INSERT_HEAD(&softc_list, softc, links); 1297 splx(s); 1298 1299 /* 1300 * The DA driver supports a blocksize, but 1301 * we don't know the blocksize until we do 1302 * a read capacity. So, set a flag to 1303 * indicate that the blocksize is 1304 * unavailable right now. We'll clear the 1305 * flag as soon as we've done a read capacity. 1306 */ 1307 devstat_add_entry(&softc->device_stats, "da", 1308 periph->unit_number, 0, 1309 DEVSTAT_BS_UNAVAILABLE, 1310 SID_TYPE(&cgd->inq_data) | DEVSTAT_TYPE_IF_SCSI, 1311 DEVSTAT_PRIORITY_DISK); 1312 1313 /* 1314 * Register this media as a disk 1315 */ 1316 disk_create(periph->unit_number, &softc->disk, 0, &da_cdevsw); 1317 1318 /* 1319 * Add async callbacks for bus reset and 1320 * bus device reset calls. I don't bother 1321 * checking if this fails as, in most cases, 1322 * the system will function just fine without 1323 * them and the only alternative would be to 1324 * not attach the device on failure. 1325 */ 1326 xpt_setup_ccb(&csa.ccb_h, periph->path, /*priority*/5); 1327 csa.ccb_h.func_code = XPT_SASYNC_CB; 1328 csa.event_enable = AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE; 1329 csa.callback = daasync; 1330 csa.callback_arg = periph; 1331 xpt_action((union ccb *)&csa); 1332 /* 1333 * Lock this peripheral until we are setup. 1334 * This first call can't block 1335 */ 1336 (void)cam_periph_lock(periph, 0); 1337 xpt_schedule(periph, /*priority*/5); 1338 1339 return(CAM_REQ_CMP); 1340 } 1341 1342 static void 1343 dastart(struct cam_periph *periph, union ccb *start_ccb) 1344 { 1345 struct da_softc *softc; 1346 1347 softc = (struct da_softc *)periph->softc; 1348 1349 1350 switch (softc->state) { 1351 case DA_STATE_NORMAL: 1352 { 1353 /* Pull a buffer from the queue and get going on it */ 1354 struct buf *bp; 1355 int s; 1356 1357 /* 1358 * See if there is a buf with work for us to do.. 1359 */ 1360 s = splbio(); 1361 bp = bufq_first(&softc->buf_queue); 1362 if (periph->immediate_priority <= periph->pinfo.priority) { 1363 CAM_DEBUG_PRINT(CAM_DEBUG_SUBTRACE, 1364 ("queuing for immediate ccb\n")); 1365 start_ccb->ccb_h.ccb_state = DA_CCB_WAITING; 1366 SLIST_INSERT_HEAD(&periph->ccb_list, &start_ccb->ccb_h, 1367 periph_links.sle); 1368 periph->immediate_priority = CAM_PRIORITY_NONE; 1369 splx(s); 1370 wakeup(&periph->ccb_list); 1371 } else if (bp == NULL) { 1372 splx(s); 1373 xpt_release_ccb(start_ccb); 1374 } else { 1375 int oldspl; 1376 u_int8_t tag_code; 1377 1378 bufq_remove(&softc->buf_queue, bp); 1379 1380 devstat_start_transaction(&softc->device_stats); 1381 1382 if ((bp->b_flags & B_ORDERED) != 0 1383 || (softc->flags & DA_FLAG_NEED_OTAG) != 0) { 1384 softc->flags &= ~DA_FLAG_NEED_OTAG; 1385 softc->ordered_tag_count++; 1386 tag_code = MSG_ORDERED_Q_TAG; 1387 } else { 1388 tag_code = MSG_SIMPLE_Q_TAG; 1389 } 1390 scsi_read_write(&start_ccb->csio, 1391 /*retries*/da_retry_count, 1392 dadone, 1393 tag_code, 1394 bp->b_flags & B_READ, 1395 /*byte2*/0, 1396 softc->minimum_cmd_size, 1397 bp->b_pblkno, 1398 bp->b_bcount / softc->params.secsize, 1399 bp->b_data, 1400 bp->b_bcount, 1401 /*sense_len*/SSD_FULL_SIZE, 1402 da_default_timeout * 1000); 1403 start_ccb->ccb_h.ccb_state = DA_CCB_BUFFER_IO; 1404 1405 /* 1406 * Block out any asyncronous callbacks 1407 * while we touch the pending ccb list. 1408 */ 1409 oldspl = splcam(); 1410 LIST_INSERT_HEAD(&softc->pending_ccbs, 1411 &start_ccb->ccb_h, periph_links.le); 1412 splx(oldspl); 1413 1414 /* We expect a unit attention from this device */ 1415 if ((softc->flags & DA_FLAG_RETRY_UA) != 0) { 1416 start_ccb->ccb_h.ccb_state |= DA_CCB_RETRY_UA; 1417 softc->flags &= ~DA_FLAG_RETRY_UA; 1418 } 1419 1420 start_ccb->ccb_h.ccb_bp = bp; 1421 bp = bufq_first(&softc->buf_queue); 1422 splx(s); 1423 1424 xpt_action(start_ccb); 1425 } 1426 1427 if (bp != NULL) { 1428 /* Have more work to do, so ensure we stay scheduled */ 1429 xpt_schedule(periph, /* XXX priority */1); 1430 } 1431 break; 1432 } 1433 case DA_STATE_PROBE: 1434 { 1435 struct ccb_scsiio *csio; 1436 struct scsi_read_capacity_data *rcap; 1437 1438 rcap = (struct scsi_read_capacity_data *)malloc(sizeof(*rcap), 1439 M_TEMP, 1440 M_NOWAIT); 1441 if (rcap == NULL) { 1442 printf("dastart: Couldn't malloc read_capacity data\n"); 1443 /* da_free_periph??? */ 1444 break; 1445 } 1446 csio = &start_ccb->csio; 1447 scsi_read_capacity(csio, 1448 /*retries*/4, 1449 dadone, 1450 MSG_SIMPLE_Q_TAG, 1451 rcap, 1452 SSD_FULL_SIZE, 1453 /*timeout*/5000); 1454 start_ccb->ccb_h.ccb_bp = NULL; 1455 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE; 1456 xpt_action(start_ccb); 1457 break; 1458 } 1459 } 1460 } 1461 1462 static int 1463 cmd6workaround(union ccb *ccb) 1464 { 1465 struct scsi_rw_6 cmd6; 1466 struct scsi_rw_10 *cmd10; 1467 struct da_softc *softc; 1468 u_int8_t *cdb; 1469 int frozen; 1470 1471 cdb = ccb->csio.cdb_io.cdb_bytes; 1472 1473 /* Translation only possible if CDB is an array and cmd is R/W6 */ 1474 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0 || 1475 (*cdb != READ_6 && *cdb != WRITE_6)) 1476 return 0; 1477 1478 xpt_print_path(ccb->ccb_h.path); 1479 printf("READ(6)/WRITE(6) not supported, " 1480 "increasing minimum_cmd_size to 10.\n"); 1481 softc = (struct da_softc *)xpt_path_periph(ccb->ccb_h.path)->softc; 1482 softc->minimum_cmd_size = 10; 1483 1484 bcopy(cdb, &cmd6, sizeof(struct scsi_rw_6)); 1485 cmd10 = (struct scsi_rw_10 *)cdb; 1486 cmd10->opcode = (cmd6.opcode == READ_6) ? READ_10 : WRITE_10; 1487 cmd10->byte2 = 0; 1488 scsi_ulto4b(scsi_3btoul(cmd6.addr), cmd10->addr); 1489 cmd10->reserved = 0; 1490 scsi_ulto2b(cmd6.length, cmd10->length); 1491 cmd10->control = cmd6.control; 1492 ccb->csio.cdb_len = sizeof(*cmd10); 1493 1494 /* Requeue request, unfreezing queue if necessary */ 1495 frozen = (ccb->ccb_h.status & CAM_DEV_QFRZN) != 0; 1496 ccb->ccb_h.status = CAM_REQUEUE_REQ; 1497 xpt_action(ccb); 1498 if (frozen) { 1499 cam_release_devq(ccb->ccb_h.path, 1500 /*relsim_flags*/0, 1501 /*reduction*/0, 1502 /*timeout*/0, 1503 /*getcount_only*/0); 1504 } 1505 return (ERESTART); 1506 } 1507 1508 static void 1509 dadone(struct cam_periph *periph, union ccb *done_ccb) 1510 { 1511 struct da_softc *softc; 1512 struct ccb_scsiio *csio; 1513 1514 softc = (struct da_softc *)periph->softc; 1515 csio = &done_ccb->csio; 1516 switch (csio->ccb_h.ccb_state & DA_CCB_TYPE_MASK) { 1517 case DA_CCB_BUFFER_IO: 1518 { 1519 struct buf *bp; 1520 int oldspl; 1521 1522 bp = (struct buf *)done_ccb->ccb_h.ccb_bp; 1523 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1524 int error; 1525 int s; 1526 int sf; 1527 1528 if ((csio->ccb_h.ccb_state & DA_CCB_RETRY_UA) != 0) 1529 sf = SF_RETRY_UA; 1530 else 1531 sf = 0; 1532 1533 /* Retry selection timeouts */ 1534 sf |= SF_RETRY_SELTO; 1535 1536 if ((error = daerror(done_ccb, 0, sf)) == ERESTART) { 1537 /* 1538 * A retry was scheuled, so 1539 * just return. 1540 */ 1541 return; 1542 } 1543 if (error != 0) { 1544 struct buf *q_bp; 1545 1546 s = splbio(); 1547 1548 if (error == ENXIO) { 1549 /* 1550 * Catastrophic error. Mark our pack as 1551 * invalid. 1552 */ 1553 /* XXX See if this is really a media 1554 * change first. 1555 */ 1556 xpt_print_path(periph->path); 1557 printf("Invalidating pack\n"); 1558 softc->flags |= DA_FLAG_PACK_INVALID; 1559 } 1560 1561 /* 1562 * return all queued I/O with EIO, so that 1563 * the client can retry these I/Os in the 1564 * proper order should it attempt to recover. 1565 */ 1566 while ((q_bp = bufq_first(&softc->buf_queue)) 1567 != NULL) { 1568 bufq_remove(&softc->buf_queue, q_bp); 1569 q_bp->b_resid = q_bp->b_bcount; 1570 q_bp->b_error = EIO; 1571 q_bp->b_flags |= B_ERROR; 1572 biodone(q_bp); 1573 } 1574 splx(s); 1575 bp->b_error = error; 1576 bp->b_resid = bp->b_bcount; 1577 bp->b_flags |= B_ERROR; 1578 } else { 1579 bp->b_resid = csio->resid; 1580 bp->b_error = 0; 1581 if (bp->b_resid != 0) 1582 bp->b_flags |= B_ERROR; 1583 } 1584 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 1585 cam_release_devq(done_ccb->ccb_h.path, 1586 /*relsim_flags*/0, 1587 /*reduction*/0, 1588 /*timeout*/0, 1589 /*getcount_only*/0); 1590 } else { 1591 bp->b_resid = csio->resid; 1592 if (csio->resid > 0) 1593 bp->b_flags |= B_ERROR; 1594 } 1595 1596 /* 1597 * Block out any asyncronous callbacks 1598 * while we touch the pending ccb list. 1599 */ 1600 oldspl = splcam(); 1601 LIST_REMOVE(&done_ccb->ccb_h, periph_links.le); 1602 splx(oldspl); 1603 1604 if (softc->device_stats.busy_count == 0) 1605 softc->flags |= DA_FLAG_WENT_IDLE; 1606 1607 devstat_end_transaction_buf(&softc->device_stats, bp); 1608 biodone(bp); 1609 break; 1610 } 1611 case DA_CCB_PROBE: 1612 { 1613 struct scsi_read_capacity_data *rdcap; 1614 char announce_buf[80]; 1615 1616 rdcap = (struct scsi_read_capacity_data *)csio->data_ptr; 1617 1618 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 1619 struct disk_params *dp; 1620 1621 dasetgeom(periph, rdcap); 1622 dp = &softc->params; 1623 snprintf(announce_buf, sizeof(announce_buf), 1624 "%luMB (%u %u byte sectors: %dH %dS/T %dC)", 1625 (unsigned long) (((u_int64_t)dp->secsize * 1626 dp->sectors) / (1024*1024)), dp->sectors, 1627 dp->secsize, dp->heads, dp->secs_per_track, 1628 dp->cylinders); 1629 } else { 1630 int error; 1631 1632 announce_buf[0] = '\0'; 1633 1634 /* 1635 * Retry any UNIT ATTENTION type errors. They 1636 * are expected at boot. 1637 */ 1638 error = daerror(done_ccb, 0, SF_RETRY_UA | 1639 SF_RETRY_SELTO | SF_NO_PRINT); 1640 if (error == ERESTART) { 1641 /* 1642 * A retry was scheuled, so 1643 * just return. 1644 */ 1645 return; 1646 } else if (error != 0) { 1647 struct scsi_sense_data *sense; 1648 int asc, ascq; 1649 int sense_key, error_code; 1650 int have_sense; 1651 cam_status status; 1652 struct ccb_getdev cgd; 1653 1654 /* Don't wedge this device's queue */ 1655 cam_release_devq(done_ccb->ccb_h.path, 1656 /*relsim_flags*/0, 1657 /*reduction*/0, 1658 /*timeout*/0, 1659 /*getcount_only*/0); 1660 1661 status = done_ccb->ccb_h.status; 1662 1663 xpt_setup_ccb(&cgd.ccb_h, 1664 done_ccb->ccb_h.path, 1665 /* priority */ 1); 1666 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 1667 xpt_action((union ccb *)&cgd); 1668 1669 if (((csio->ccb_h.flags & CAM_SENSE_PHYS) != 0) 1670 || ((csio->ccb_h.flags & CAM_SENSE_PTR) != 0) 1671 || ((status & CAM_AUTOSNS_VALID) == 0)) 1672 have_sense = FALSE; 1673 else 1674 have_sense = TRUE; 1675 1676 if (have_sense) { 1677 sense = &csio->sense_data; 1678 scsi_extract_sense(sense, &error_code, 1679 &sense_key, 1680 &asc, &ascq); 1681 } 1682 /* 1683 * Attach to anything that claims to be a 1684 * direct access or optical disk device, 1685 * as long as it doesn't return a "Logical 1686 * unit not supported" (0x25) error. 1687 */ 1688 if ((have_sense) && (asc != 0x25) 1689 && (error_code == SSD_CURRENT_ERROR)) 1690 snprintf(announce_buf, 1691 sizeof(announce_buf), 1692 "Attempt to query device " 1693 "size failed: %s, %s", 1694 scsi_sense_key_text[sense_key], 1695 scsi_sense_desc(asc,ascq, 1696 &cgd.inq_data)); 1697 else { 1698 if (have_sense) 1699 scsi_sense_print( 1700 &done_ccb->csio); 1701 else { 1702 xpt_print_path(periph->path); 1703 printf("got CAM status %#x\n", 1704 done_ccb->ccb_h.status); 1705 } 1706 1707 xpt_print_path(periph->path); 1708 printf("fatal error, failed" 1709 " to attach to device\n"); 1710 1711 /* 1712 * Free up resources. 1713 */ 1714 cam_periph_invalidate(periph); 1715 } 1716 } 1717 } 1718 free(rdcap, M_TEMP); 1719 if (announce_buf[0] != '\0') { 1720 xpt_announce_periph(periph, announce_buf); 1721 /* 1722 * Create our sysctl variables, now that we know 1723 * we have successfully attached. 1724 */ 1725 taskqueue_enqueue(taskqueue_thread,&softc->sysctl_task); 1726 } 1727 softc->state = DA_STATE_NORMAL; 1728 /* 1729 * Since our peripheral may be invalidated by an error 1730 * above or an external event, we must release our CCB 1731 * before releasing the probe lock on the peripheral. 1732 * The peripheral will only go away once the last lock 1733 * is removed, and we need it around for the CCB release 1734 * operation. 1735 */ 1736 xpt_release_ccb(done_ccb); 1737 cam_periph_unlock(periph); 1738 return; 1739 } 1740 case DA_CCB_WAITING: 1741 { 1742 /* Caller will release the CCB */ 1743 wakeup(&done_ccb->ccb_h.cbfcnp); 1744 return; 1745 } 1746 case DA_CCB_DUMP: 1747 /* No-op. We're polling */ 1748 return; 1749 default: 1750 break; 1751 } 1752 xpt_release_ccb(done_ccb); 1753 } 1754 1755 static int 1756 daerror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags) 1757 { 1758 struct da_softc *softc; 1759 struct cam_periph *periph; 1760 int error; 1761 1762 periph = xpt_path_periph(ccb->ccb_h.path); 1763 softc = (struct da_softc *)periph->softc; 1764 1765 /* 1766 * Automatically detect devices that do not support 1767 * READ(6)/WRITE(6) and upgrade to using 10 byte cdbs. 1768 */ 1769 error = 0; 1770 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INVALID) { 1771 error = cmd6workaround(ccb); 1772 } else if (((ccb->ccb_h.status & CAM_STATUS_MASK) == 1773 CAM_SCSI_STATUS_ERROR) 1774 && (ccb->ccb_h.status & CAM_AUTOSNS_VALID) 1775 && (ccb->csio.scsi_status == SCSI_STATUS_CHECK_COND) 1776 && ((ccb->ccb_h.flags & CAM_SENSE_PHYS) == 0) 1777 && ((ccb->ccb_h.flags & CAM_SENSE_PTR) == 0)) { 1778 int sense_key, error_code, asc, ascq; 1779 1780 scsi_extract_sense(&ccb->csio.sense_data, 1781 &error_code, &sense_key, &asc, &ascq); 1782 if (sense_key == SSD_KEY_ILLEGAL_REQUEST) 1783 error = cmd6workaround(ccb); 1784 } 1785 if (error == ERESTART) 1786 return (ERESTART); 1787 1788 /* 1789 * XXX 1790 * Until we have a better way of doing pack validation, 1791 * don't treat UAs as errors. 1792 */ 1793 sense_flags |= SF_RETRY_UA; 1794 return(cam_periph_error(ccb, cam_flags, sense_flags, 1795 &softc->saved_ccb)); 1796 } 1797 1798 static void 1799 daprevent(struct cam_periph *periph, int action) 1800 { 1801 struct da_softc *softc; 1802 union ccb *ccb; 1803 int error; 1804 1805 softc = (struct da_softc *)periph->softc; 1806 1807 if (((action == PR_ALLOW) 1808 && (softc->flags & DA_FLAG_PACK_LOCKED) == 0) 1809 || ((action == PR_PREVENT) 1810 && (softc->flags & DA_FLAG_PACK_LOCKED) != 0)) { 1811 return; 1812 } 1813 1814 ccb = cam_periph_getccb(periph, /*priority*/1); 1815 1816 scsi_prevent(&ccb->csio, 1817 /*retries*/1, 1818 /*cbcfp*/dadone, 1819 MSG_SIMPLE_Q_TAG, 1820 action, 1821 SSD_FULL_SIZE, 1822 5000); 1823 1824 error = cam_periph_runccb(ccb, /*error_routine*/NULL, /*cam_flags*/0, 1825 /*sense_flags*/0, &softc->device_stats); 1826 1827 if (error == 0) { 1828 if (action == PR_ALLOW) 1829 softc->flags &= ~DA_FLAG_PACK_LOCKED; 1830 else 1831 softc->flags |= DA_FLAG_PACK_LOCKED; 1832 } 1833 1834 xpt_release_ccb(ccb); 1835 } 1836 1837 static void 1838 dasetgeom(struct cam_periph *periph, struct scsi_read_capacity_data * rdcap) 1839 { 1840 struct ccb_calc_geometry ccg; 1841 struct da_softc *softc; 1842 struct disk_params *dp; 1843 1844 softc = (struct da_softc *)periph->softc; 1845 1846 dp = &softc->params; 1847 dp->secsize = scsi_4btoul(rdcap->length); 1848 dp->sectors = scsi_4btoul(rdcap->addr) + 1; 1849 /* 1850 * Have the controller provide us with a geometry 1851 * for this disk. The only time the geometry 1852 * matters is when we boot and the controller 1853 * is the only one knowledgeable enough to come 1854 * up with something that will make this a bootable 1855 * device. 1856 */ 1857 xpt_setup_ccb(&ccg.ccb_h, periph->path, /*priority*/1); 1858 ccg.ccb_h.func_code = XPT_CALC_GEOMETRY; 1859 ccg.block_size = dp->secsize; 1860 ccg.volume_size = dp->sectors; 1861 ccg.heads = 0; 1862 ccg.secs_per_track = 0; 1863 ccg.cylinders = 0; 1864 xpt_action((union ccb*)&ccg); 1865 dp->heads = ccg.heads; 1866 dp->secs_per_track = ccg.secs_per_track; 1867 dp->cylinders = ccg.cylinders; 1868 } 1869 1870 static void 1871 dasendorderedtag(void *arg) 1872 { 1873 struct da_softc *softc; 1874 int s; 1875 1876 for (softc = SLIST_FIRST(&softc_list); 1877 softc != NULL; 1878 softc = SLIST_NEXT(softc, links)) { 1879 s = splsoftcam(); 1880 if ((softc->ordered_tag_count == 0) 1881 && ((softc->flags & DA_FLAG_WENT_IDLE) == 0)) { 1882 softc->flags |= DA_FLAG_NEED_OTAG; 1883 } 1884 if (softc->device_stats.busy_count > 0) 1885 softc->flags &= ~DA_FLAG_WENT_IDLE; 1886 1887 softc->ordered_tag_count = 0; 1888 splx(s); 1889 } 1890 /* Queue us up again */ 1891 timeout(dasendorderedtag, NULL, 1892 (da_default_timeout * hz) / DA_ORDEREDTAG_INTERVAL); 1893 } 1894 1895 /* 1896 * Step through all DA peripheral drivers, and if the device is still open, 1897 * sync the disk cache to physical media. 1898 */ 1899 static void 1900 dashutdown(void * arg, int howto) 1901 { 1902 struct cam_periph *periph; 1903 struct da_softc *softc; 1904 1905 for (periph = TAILQ_FIRST(&dadriver.units); periph != NULL; 1906 periph = TAILQ_NEXT(periph, unit_links)) { 1907 union ccb ccb; 1908 softc = (struct da_softc *)periph->softc; 1909 1910 /* 1911 * We only sync the cache if the drive is still open, and 1912 * if the drive is capable of it.. 1913 */ 1914 if (((softc->flags & DA_FLAG_OPEN) == 0) 1915 || (softc->quirks & DA_Q_NO_SYNC_CACHE)) 1916 continue; 1917 1918 xpt_setup_ccb(&ccb.ccb_h, periph->path, /*priority*/1); 1919 1920 ccb.ccb_h.ccb_state = DA_CCB_DUMP; 1921 scsi_synchronize_cache(&ccb.csio, 1922 /*retries*/1, 1923 /*cbfcnp*/dadone, 1924 MSG_SIMPLE_Q_TAG, 1925 /*begin_lba*/0, /* whole disk */ 1926 /*lb_count*/0, 1927 SSD_FULL_SIZE, 1928 5 * 60 * 1000); 1929 1930 xpt_polled_action(&ccb); 1931 1932 if ((ccb.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1933 if (((ccb.ccb_h.status & CAM_STATUS_MASK) == 1934 CAM_SCSI_STATUS_ERROR) 1935 && (ccb.csio.scsi_status == SCSI_STATUS_CHECK_COND)){ 1936 int error_code, sense_key, asc, ascq; 1937 1938 scsi_extract_sense(&ccb.csio.sense_data, 1939 &error_code, &sense_key, 1940 &asc, &ascq); 1941 1942 if (sense_key != SSD_KEY_ILLEGAL_REQUEST) 1943 scsi_sense_print(&ccb.csio); 1944 } else { 1945 xpt_print_path(periph->path); 1946 printf("Synchronize cache failed, status " 1947 "== 0x%x, scsi status == 0x%x\n", 1948 ccb.ccb_h.status, ccb.csio.scsi_status); 1949 } 1950 } 1951 1952 if ((ccb.ccb_h.status & CAM_DEV_QFRZN) != 0) 1953 cam_release_devq(ccb.ccb_h.path, 1954 /*relsim_flags*/0, 1955 /*reduction*/0, 1956 /*timeout*/0, 1957 /*getcount_only*/0); 1958 1959 } 1960 } 1961 1962 #else /* !_KERNEL */ 1963 1964 /* 1965 * XXX This is only left out of the kernel build to silence warnings. If, 1966 * for some reason this function is used in the kernel, the ifdefs should 1967 * be moved so it is included both in the kernel and userland. 1968 */ 1969 void 1970 scsi_format_unit(struct ccb_scsiio *csio, u_int32_t retries, 1971 void (*cbfcnp)(struct cam_periph *, union ccb *), 1972 u_int8_t tag_action, u_int8_t byte2, u_int16_t ileave, 1973 u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len, 1974 u_int32_t timeout) 1975 { 1976 struct scsi_format_unit *scsi_cmd; 1977 1978 scsi_cmd = (struct scsi_format_unit *)&csio->cdb_io.cdb_bytes; 1979 scsi_cmd->opcode = FORMAT_UNIT; 1980 scsi_cmd->byte2 = byte2; 1981 scsi_ulto2b(ileave, scsi_cmd->interleave); 1982 1983 cam_fill_csio(csio, 1984 retries, 1985 cbfcnp, 1986 /*flags*/ (dxfer_len > 0) ? CAM_DIR_OUT : CAM_DIR_NONE, 1987 tag_action, 1988 data_ptr, 1989 dxfer_len, 1990 sense_len, 1991 sizeof(*scsi_cmd), 1992 timeout); 1993 } 1994 1995 #endif /* _KERNEL */ 1996