1 /*- 2 * Implementation of SCSI Direct Access Peripheral driver for CAM. 3 * 4 * Copyright (c) 1997 Justin T. Gibbs. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions, and the following disclaimer, 12 * without modification, immediately at the beginning of the file. 13 * 2. The name of the author may not be used to endorse or promote products 14 * derived from this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 20 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 #include <sys/cdefs.h> 30 __FBSDID("$FreeBSD$"); 31 32 #include <sys/param.h> 33 34 #ifdef _KERNEL 35 #include <sys/systm.h> 36 #include <sys/kernel.h> 37 #include <sys/bio.h> 38 #include <sys/sysctl.h> 39 #include <sys/taskqueue.h> 40 #endif /* _KERNEL */ 41 42 #include <sys/devicestat.h> 43 #include <sys/conf.h> 44 #include <sys/eventhandler.h> 45 #include <sys/malloc.h> 46 #include <sys/cons.h> 47 48 #include <machine/md_var.h> 49 50 #include <vm/vm.h> 51 #include <vm/pmap.h> 52 53 #include <geom/geom_disk.h> 54 55 #ifndef _KERNEL 56 #include <stdio.h> 57 #include <string.h> 58 #endif /* _KERNEL */ 59 60 #include <cam/cam.h> 61 #include <cam/cam_ccb.h> 62 #include <cam/cam_periph.h> 63 #include <cam/cam_xpt_periph.h> 64 65 #include <cam/scsi/scsi_message.h> 66 67 #ifndef _KERNEL 68 #include <cam/scsi/scsi_da.h> 69 #endif /* !_KERNEL */ 70 71 #ifdef _KERNEL 72 typedef enum { 73 DA_STATE_PROBE, 74 DA_STATE_PROBE2, 75 DA_STATE_NORMAL 76 } da_state; 77 78 typedef enum { 79 DA_FLAG_PACK_INVALID = 0x001, 80 DA_FLAG_NEW_PACK = 0x002, 81 DA_FLAG_PACK_LOCKED = 0x004, 82 DA_FLAG_PACK_REMOVABLE = 0x008, 83 DA_FLAG_TAGGED_QUEUING = 0x010, 84 DA_FLAG_NEED_OTAG = 0x020, 85 DA_FLAG_WENT_IDLE = 0x040, 86 DA_FLAG_RETRY_UA = 0x080, 87 DA_FLAG_OPEN = 0x100, 88 DA_FLAG_SCTX_INIT = 0x200 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_Q_NO_PREVENT = 0x04 96 } da_quirks; 97 98 typedef enum { 99 DA_CCB_PROBE = 0x01, 100 DA_CCB_PROBE2 = 0x02, 101 DA_CCB_BUFFER_IO = 0x03, 102 DA_CCB_WAITING = 0x04, 103 DA_CCB_DUMP = 0x05, 104 DA_CCB_TYPE_MASK = 0x0F, 105 DA_CCB_RETRY_UA = 0x10 106 } da_ccb_state; 107 108 /* Offsets into our private area for storing information */ 109 #define ccb_state ppriv_field0 110 #define ccb_bp ppriv_ptr1 111 112 struct disk_params { 113 u_int8_t heads; 114 u_int32_t cylinders; 115 u_int8_t secs_per_track; 116 u_int32_t secsize; /* Number of bytes/sector */ 117 u_int64_t sectors; /* total number sectors */ 118 }; 119 120 struct da_softc { 121 struct bio_queue_head bio_queue; 122 SLIST_ENTRY(da_softc) links; 123 LIST_HEAD(, ccb_hdr) pending_ccbs; 124 da_state state; 125 da_flags flags; 126 da_quirks quirks; 127 int minimum_cmd_size; 128 int ordered_tag_count; 129 int outstanding_cmds; 130 struct disk_params params; 131 struct disk *disk; 132 union ccb saved_ccb; 133 struct task sysctl_task; 134 struct sysctl_ctx_list sysctl_ctx; 135 struct sysctl_oid *sysctl_tree; 136 }; 137 138 struct da_quirk_entry { 139 struct scsi_inquiry_pattern inq_pat; 140 da_quirks quirks; 141 }; 142 143 static const char quantum[] = "QUANTUM"; 144 static const char microp[] = "MICROP"; 145 146 static struct da_quirk_entry da_quirk_table[] = 147 { 148 /* SPI, FC devices */ 149 { 150 /* 151 * Fujitsu M2513A MO drives. 152 * Tested devices: M2513A2 firmware versions 1200 & 1300. 153 * (dip switch selects whether T_DIRECT or T_OPTICAL device) 154 * Reported by: W.Scholten <whs@xs4all.nl> 155 */ 156 {T_DIRECT, SIP_MEDIA_REMOVABLE, "FUJITSU", "M2513A", "*"}, 157 /*quirks*/ DA_Q_NO_SYNC_CACHE 158 }, 159 { 160 /* See above. */ 161 {T_OPTICAL, SIP_MEDIA_REMOVABLE, "FUJITSU", "M2513A", "*"}, 162 /*quirks*/ DA_Q_NO_SYNC_CACHE 163 }, 164 { 165 /* 166 * This particular Fujitsu drive doesn't like the 167 * synchronize cache command. 168 * Reported by: Tom Jackson <toj@gorilla.net> 169 */ 170 {T_DIRECT, SIP_MEDIA_FIXED, "FUJITSU", "M2954*", "*"}, 171 /*quirks*/ DA_Q_NO_SYNC_CACHE 172 173 }, 174 { 175 /* 176 * This drive doesn't like the synchronize cache command 177 * either. Reported by: Matthew Jacob <mjacob@feral.com> 178 * in NetBSD PR kern/6027, August 24, 1998. 179 */ 180 {T_DIRECT, SIP_MEDIA_FIXED, microp, "2217*", "*"}, 181 /*quirks*/ DA_Q_NO_SYNC_CACHE 182 }, 183 { 184 /* 185 * This drive doesn't like the synchronize cache command 186 * either. Reported by: Hellmuth Michaelis (hm@kts.org) 187 * (PR 8882). 188 */ 189 {T_DIRECT, SIP_MEDIA_FIXED, microp, "2112*", "*"}, 190 /*quirks*/ DA_Q_NO_SYNC_CACHE 191 }, 192 { 193 /* 194 * Doesn't like the synchronize cache command. 195 * Reported by: Blaz Zupan <blaz@gold.amis.net> 196 */ 197 {T_DIRECT, SIP_MEDIA_FIXED, "NEC", "D3847*", "*"}, 198 /*quirks*/ DA_Q_NO_SYNC_CACHE 199 }, 200 { 201 /* 202 * Doesn't like the synchronize cache command. 203 * Reported by: Blaz Zupan <blaz@gold.amis.net> 204 */ 205 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "MAVERICK 540S", "*"}, 206 /*quirks*/ DA_Q_NO_SYNC_CACHE 207 }, 208 { 209 /* 210 * Doesn't like the synchronize cache command. 211 */ 212 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "LPS525S", "*"}, 213 /*quirks*/ DA_Q_NO_SYNC_CACHE 214 }, 215 { 216 /* 217 * Doesn't like the synchronize cache command. 218 * Reported by: walter@pelissero.de 219 */ 220 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "LPS540S", "*"}, 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 { 239 /* 240 * Doesn't like the synchronize cache command. 241 * Reported by: walter@pelissero.de 242 */ 243 {T_DIRECT, SIP_MEDIA_FIXED, "CONNER", "CP3500*", "*"}, 244 /*quirks*/ DA_Q_NO_SYNC_CACHE 245 }, 246 { 247 /* 248 * The CISS RAID controllers do not support SYNC_CACHE 249 */ 250 {T_DIRECT, SIP_MEDIA_FIXED, "COMPAQ", "RAID*", "*"}, 251 /*quirks*/ DA_Q_NO_SYNC_CACHE 252 }, 253 /* USB mass storage devices supported by umass(4) */ 254 { 255 /* 256 * EXATELECOM (Sigmatel) i-Bead 100/105 USB Flash MP3 Player 257 * PR: kern/51675 258 */ 259 {T_DIRECT, SIP_MEDIA_REMOVABLE, "EXATEL", "i-BEAD10*", "*"}, 260 /*quirks*/ DA_Q_NO_SYNC_CACHE 261 }, 262 { 263 /* 264 * Power Quotient Int. (PQI) USB flash key 265 * PR: kern/53067 266 */ 267 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "USB Flash Disk*", 268 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 269 }, 270 { 271 /* 272 * Creative Nomad MUVO mp3 player (USB) 273 * PR: kern/53094 274 */ 275 {T_DIRECT, SIP_MEDIA_REMOVABLE, "CREATIVE", "NOMAD_MUVO", "*"}, 276 /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT 277 }, 278 { 279 /* 280 * Jungsoft NEXDISK USB flash key 281 * PR: kern/54737 282 */ 283 {T_DIRECT, SIP_MEDIA_REMOVABLE, "JUNGSOFT", "NEXDISK*", "*"}, 284 /*quirks*/ DA_Q_NO_SYNC_CACHE 285 }, 286 { 287 /* 288 * FreeDik USB Mini Data Drive 289 * PR: kern/54786 290 */ 291 {T_DIRECT, SIP_MEDIA_REMOVABLE, "FreeDik*", "Mini Data Drive", 292 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 293 }, 294 { 295 /* 296 * Sigmatel USB Flash MP3 Player 297 * PR: kern/57046 298 */ 299 {T_DIRECT, SIP_MEDIA_REMOVABLE, "SigmaTel", "MSCN", "*"}, 300 /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT 301 }, 302 { 303 /* 304 * Neuros USB Digital Audio Computer 305 * PR: kern/63645 306 */ 307 {T_DIRECT, SIP_MEDIA_REMOVABLE, "NEUROS", "dig. audio comp.", 308 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 309 }, 310 { 311 /* 312 * SEAGRAND NP-900 MP3 Player 313 * PR: kern/64563 314 */ 315 {T_DIRECT, SIP_MEDIA_REMOVABLE, "SEAGRAND", "NP-900*", "*"}, 316 /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT 317 }, 318 { 319 /* 320 * iRiver iFP MP3 player (with UMS Firmware) 321 * PR: kern/54881, i386/63941, kern/66124 322 */ 323 {T_DIRECT, SIP_MEDIA_REMOVABLE, "iRiver", "iFP*", "*"}, 324 /*quirks*/ DA_Q_NO_SYNC_CACHE 325 }, 326 { 327 /* 328 * Frontier Labs NEX IA+ Digital Audio Player, rev 1.10/0.01 329 * PR: kern/70158 330 */ 331 {T_DIRECT, SIP_MEDIA_REMOVABLE, "FL" , "Nex*", "*"}, 332 /*quirks*/ DA_Q_NO_SYNC_CACHE 333 }, 334 { 335 /* 336 * ZICPlay USB MP3 Player with FM 337 * PR: kern/75057 338 */ 339 {T_DIRECT, SIP_MEDIA_REMOVABLE, "ACTIONS*" , "USB DISK*", "*"}, 340 /*quirks*/ DA_Q_NO_SYNC_CACHE 341 }, 342 { 343 /* 344 * TEAC USB floppy mechanisms 345 */ 346 {T_DIRECT, SIP_MEDIA_REMOVABLE, "TEAC" , "FD-05*", "*"}, 347 /*quirks*/ DA_Q_NO_SYNC_CACHE 348 }, 349 { 350 /* 351 * Kingston DataTraveler II+ USB Pen-Drive. 352 * Reported by: Pawel Jakub Dawidek <pjd@FreeBSD.org> 353 */ 354 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Kingston" , "DataTraveler II+", 355 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 356 }, 357 { 358 /* 359 * Motorola E398 Mobile Phone (TransFlash memory card). 360 * Reported by: Wojciech A. Koszek <dunstan@FreeBSD.czest.pl> 361 * PR: usb/89889 362 */ 363 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Motorola" , "Motorola Phone", 364 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 365 }, 366 { 367 /* 368 * Qware BeatZkey! Pro 369 * PR: usb/79164 370 */ 371 {T_DIRECT, SIP_MEDIA_REMOVABLE, "GENERIC", "USB DISK DEVICE", 372 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 373 }, 374 { 375 /* 376 * Time DPA20B 1GB MP3 Player 377 * PR: usb/81846 378 */ 379 {T_DIRECT, SIP_MEDIA_REMOVABLE, "USB2.0*", "(FS) FLASH DISK*", 380 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 381 }, 382 { 383 /* 384 * Samsung USB key 128Mb 385 * PR: usb/90081 386 */ 387 {T_DIRECT, SIP_MEDIA_REMOVABLE, "USB-DISK", "FreeDik-FlashUsb", 388 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 389 }, 390 { 391 /* 392 * Kingston DataTraveler 2.0 USB Flash memory. 393 * PR: usb/89196 394 */ 395 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Kingston", "DataTraveler 2.0", 396 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 397 }, 398 { 399 /* 400 * Creative MUVO Slim mp3 player (USB) 401 * PR: usb/86131 402 */ 403 {T_DIRECT, SIP_MEDIA_REMOVABLE, "CREATIVE", "MuVo Slim", 404 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT 405 }, 406 { 407 /* 408 * United MP5512 Portable MP3 Player (2-in-1 USB DISK/MP3) 409 * PR: usb/80487 410 */ 411 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "MUSIC DISK", 412 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 413 }, 414 { 415 /* 416 * SanDisk Micro Cruzer 128MB 417 * PR: usb/75970 418 */ 419 {T_DIRECT, SIP_MEDIA_REMOVABLE, "SanDisk" , "Micro Cruzer", 420 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 421 }, 422 { 423 /* 424 * PNY USB Flash keys 425 * PR: usb/75578, usb/72344, usb/65436 426 */ 427 {T_DIRECT, SIP_MEDIA_REMOVABLE, "*" , "USB DISK*", 428 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 429 }, 430 { 431 /* 432 * Genesys 6-in-1 Card Reader 433 * No PR, reported by anders 434 */ 435 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "STORAGE DEVICE*", 436 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 437 }, 438 }; 439 440 static disk_strategy_t dastrategy; 441 static dumper_t dadump; 442 static periph_init_t dainit; 443 static void daasync(void *callback_arg, u_int32_t code, 444 struct cam_path *path, void *arg); 445 static void dasysctlinit(void *context, int pending); 446 static int dacmdsizesysctl(SYSCTL_HANDLER_ARGS); 447 static periph_ctor_t daregister; 448 static periph_dtor_t dacleanup; 449 static periph_start_t dastart; 450 static periph_oninv_t daoninvalidate; 451 static void dadone(struct cam_periph *periph, 452 union ccb *done_ccb); 453 static int daerror(union ccb *ccb, u_int32_t cam_flags, 454 u_int32_t sense_flags); 455 static void daprevent(struct cam_periph *periph, int action); 456 static int dagetcapacity(struct cam_periph *periph); 457 static void dasetgeom(struct cam_periph *periph, uint32_t block_len, 458 uint64_t maxsector); 459 static timeout_t dasendorderedtag; 460 static void dashutdown(void *arg, int howto); 461 462 #ifndef DA_DEFAULT_TIMEOUT 463 #define DA_DEFAULT_TIMEOUT 60 /* Timeout in seconds */ 464 #endif 465 466 #ifndef DA_DEFAULT_RETRY 467 #define DA_DEFAULT_RETRY 4 468 #endif 469 470 static int da_retry_count = DA_DEFAULT_RETRY; 471 static int da_default_timeout = DA_DEFAULT_TIMEOUT; 472 473 SYSCTL_NODE(_kern_cam, OID_AUTO, da, CTLFLAG_RD, 0, 474 "CAM Direct Access Disk driver"); 475 SYSCTL_INT(_kern_cam_da, OID_AUTO, retry_count, CTLFLAG_RW, 476 &da_retry_count, 0, "Normal I/O retry count"); 477 TUNABLE_INT("kern.cam.da.retry_count", &da_retry_count); 478 SYSCTL_INT(_kern_cam_da, OID_AUTO, default_timeout, CTLFLAG_RW, 479 &da_default_timeout, 0, "Normal I/O timeout (in seconds)"); 480 TUNABLE_INT("kern.cam.da.default_timeout", &da_default_timeout); 481 482 /* 483 * DA_ORDEREDTAG_INTERVAL determines how often, relative 484 * to the default timeout, we check to see whether an ordered 485 * tagged transaction is appropriate to prevent simple tag 486 * starvation. Since we'd like to ensure that there is at least 487 * 1/2 of the timeout length left for a starved transaction to 488 * complete after we've sent an ordered tag, we must poll at least 489 * four times in every timeout period. This takes care of the worst 490 * case where a starved transaction starts during an interval that 491 * meets the requirement "don't send an ordered tag" test so it takes 492 * us two intervals to determine that a tag must be sent. 493 */ 494 #ifndef DA_ORDEREDTAG_INTERVAL 495 #define DA_ORDEREDTAG_INTERVAL 4 496 #endif 497 498 static struct periph_driver dadriver = 499 { 500 dainit, "da", 501 TAILQ_HEAD_INITIALIZER(dadriver.units), /* generation */ 0 502 }; 503 504 PERIPHDRIVER_DECLARE(da, dadriver); 505 506 static SLIST_HEAD(,da_softc) softc_list; 507 508 static int 509 daopen(struct disk *dp) 510 { 511 struct cam_periph *periph; 512 struct da_softc *softc; 513 int unit; 514 int error; 515 int s; 516 517 s = splsoftcam(); 518 periph = (struct cam_periph *)dp->d_drv1; 519 if (periph == NULL) { 520 splx(s); 521 return (ENXIO); 522 } 523 unit = periph->unit_number; 524 525 softc = (struct da_softc *)periph->softc; 526 527 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 528 ("daopen: disk=%s%d (unit %d)\n", dp->d_name, dp->d_unit, 529 unit)); 530 531 if ((error = cam_periph_lock(periph, PRIBIO|PCATCH)) != 0) 532 return (error); /* error code from tsleep */ 533 534 if (cam_periph_acquire(periph) != CAM_REQ_CMP) 535 return(ENXIO); 536 softc->flags |= DA_FLAG_OPEN; 537 538 if ((softc->flags & DA_FLAG_PACK_INVALID) != 0) { 539 /* Invalidate our pack information. */ 540 softc->flags &= ~DA_FLAG_PACK_INVALID; 541 } 542 splx(s); 543 544 error = dagetcapacity(periph); 545 546 if (error == 0) { 547 548 softc->disk->d_sectorsize = softc->params.secsize; 549 softc->disk->d_mediasize = softc->params.secsize * (off_t)softc->params.sectors; 550 /* XXX: these are not actually "firmware" values, so they may be wrong */ 551 softc->disk->d_fwsectors = softc->params.secs_per_track; 552 softc->disk->d_fwheads = softc->params.heads; 553 softc->disk->d_devstat->block_size = softc->params.secsize; 554 softc->disk->d_devstat->flags &= ~DEVSTAT_BS_UNAVAILABLE; 555 } 556 557 if (error == 0) { 558 if ((softc->flags & DA_FLAG_PACK_REMOVABLE) != 0 && 559 (softc->quirks & DA_Q_NO_PREVENT) == 0) 560 daprevent(periph, PR_PREVENT); 561 } else { 562 softc->flags &= ~DA_FLAG_OPEN; 563 cam_periph_release(periph); 564 } 565 cam_periph_unlock(periph); 566 return (error); 567 } 568 569 static int 570 daclose(struct disk *dp) 571 { 572 struct cam_periph *periph; 573 struct da_softc *softc; 574 int error; 575 576 periph = (struct cam_periph *)dp->d_drv1; 577 if (periph == NULL) 578 return (ENXIO); 579 580 softc = (struct da_softc *)periph->softc; 581 582 if ((error = cam_periph_lock(periph, PRIBIO)) != 0) { 583 return (error); /* error code from tsleep */ 584 } 585 586 if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) { 587 union ccb *ccb; 588 589 ccb = cam_periph_getccb(periph, /*priority*/1); 590 591 scsi_synchronize_cache(&ccb->csio, 592 /*retries*/1, 593 /*cbfcnp*/dadone, 594 MSG_SIMPLE_Q_TAG, 595 /*begin_lba*/0,/* Cover the whole disk */ 596 /*lb_count*/0, 597 SSD_FULL_SIZE, 598 5 * 60 * 1000); 599 600 cam_periph_runccb(ccb, /*error_routine*/NULL, /*cam_flags*/0, 601 /*sense_flags*/SF_RETRY_UA, 602 softc->disk->d_devstat); 603 604 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 605 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == 606 CAM_SCSI_STATUS_ERROR) { 607 int asc, ascq; 608 int sense_key, error_code; 609 610 scsi_extract_sense(&ccb->csio.sense_data, 611 &error_code, 612 &sense_key, 613 &asc, &ascq); 614 if (sense_key != SSD_KEY_ILLEGAL_REQUEST) 615 scsi_sense_print(&ccb->csio); 616 } else { 617 xpt_print_path(periph->path); 618 printf("Synchronize cache failed, status " 619 "== 0x%x, scsi status == 0x%x\n", 620 ccb->csio.ccb_h.status, 621 ccb->csio.scsi_status); 622 } 623 } 624 625 if ((ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 626 cam_release_devq(ccb->ccb_h.path, 627 /*relsim_flags*/0, 628 /*reduction*/0, 629 /*timeout*/0, 630 /*getcount_only*/0); 631 632 xpt_release_ccb(ccb); 633 634 } 635 636 if ((softc->flags & DA_FLAG_PACK_REMOVABLE) != 0) { 637 if ((softc->quirks & DA_Q_NO_PREVENT) == 0) 638 daprevent(periph, PR_ALLOW); 639 /* 640 * If we've got removeable media, mark the blocksize as 641 * unavailable, since it could change when new media is 642 * inserted. 643 */ 644 softc->disk->d_devstat->flags |= DEVSTAT_BS_UNAVAILABLE; 645 } 646 647 softc->flags &= ~DA_FLAG_OPEN; 648 cam_periph_unlock(periph); 649 cam_periph_release(periph); 650 return (0); 651 } 652 653 /* 654 * Actually translate the requested transfer into one the physical driver 655 * can understand. The transfer is described by a buf and will include 656 * only one physical transfer. 657 */ 658 static void 659 dastrategy(struct bio *bp) 660 { 661 struct cam_periph *periph; 662 struct da_softc *softc; 663 int s; 664 665 periph = (struct cam_periph *)bp->bio_disk->d_drv1; 666 if (periph == NULL) { 667 biofinish(bp, NULL, ENXIO); 668 return; 669 } 670 softc = (struct da_softc *)periph->softc; 671 #if 0 672 /* 673 * check it's not too big a transfer for our adapter 674 */ 675 scsi_minphys(bp,&sd_switch); 676 #endif 677 678 /* 679 * Mask interrupts so that the pack cannot be invalidated until 680 * after we are in the queue. Otherwise, we might not properly 681 * clean up one of the buffers. 682 */ 683 s = splbio(); 684 685 /* 686 * If the device has been made invalid, error out 687 */ 688 if ((softc->flags & DA_FLAG_PACK_INVALID)) { 689 splx(s); 690 biofinish(bp, NULL, ENXIO); 691 return; 692 } 693 694 /* 695 * Place it in the queue of disk activities for this disk 696 */ 697 bioq_disksort(&softc->bio_queue, bp); 698 699 splx(s); 700 701 /* 702 * Schedule ourselves for performing the work. 703 */ 704 xpt_schedule(periph, /* XXX priority */1); 705 706 return; 707 } 708 709 static int 710 dadump(void *arg, void *virtual, vm_offset_t physical, off_t offset, size_t length) 711 { 712 struct cam_periph *periph; 713 struct da_softc *softc; 714 u_int secsize; 715 struct ccb_scsiio csio; 716 struct disk *dp; 717 718 dp = arg; 719 periph = dp->d_drv1; 720 if (periph == NULL) 721 return (ENXIO); 722 softc = (struct da_softc *)periph->softc; 723 secsize = softc->params.secsize; 724 725 if ((softc->flags & DA_FLAG_PACK_INVALID) != 0) 726 return (ENXIO); 727 728 if (length > 0) { 729 xpt_setup_ccb(&csio.ccb_h, periph->path, /*priority*/1); 730 csio.ccb_h.ccb_state = DA_CCB_DUMP; 731 scsi_read_write(&csio, 732 /*retries*/1, 733 dadone, 734 MSG_ORDERED_Q_TAG, 735 /*read*/FALSE, 736 /*byte2*/0, 737 /*minimum_cmd_size*/ softc->minimum_cmd_size, 738 offset / secsize, 739 length / secsize, 740 /*data_ptr*/(u_int8_t *) virtual, 741 /*dxfer_len*/length, 742 /*sense_len*/SSD_FULL_SIZE, 743 DA_DEFAULT_TIMEOUT * 1000); 744 xpt_polled_action((union ccb *)&csio); 745 746 if ((csio.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 747 printf("Aborting dump due to I/O error.\n"); 748 if ((csio.ccb_h.status & CAM_STATUS_MASK) == 749 CAM_SCSI_STATUS_ERROR) 750 scsi_sense_print(&csio); 751 else 752 printf("status == 0x%x, scsi status == 0x%x\n", 753 csio.ccb_h.status, csio.scsi_status); 754 return(EIO); 755 } 756 return(0); 757 } 758 759 /* 760 * Sync the disk cache contents to the physical media. 761 */ 762 if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) { 763 764 xpt_setup_ccb(&csio.ccb_h, periph->path, /*priority*/1); 765 csio.ccb_h.ccb_state = DA_CCB_DUMP; 766 scsi_synchronize_cache(&csio, 767 /*retries*/1, 768 /*cbfcnp*/dadone, 769 MSG_SIMPLE_Q_TAG, 770 /*begin_lba*/0,/* Cover the whole disk */ 771 /*lb_count*/0, 772 SSD_FULL_SIZE, 773 5 * 60 * 1000); 774 xpt_polled_action((union ccb *)&csio); 775 776 if ((csio.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 777 if ((csio.ccb_h.status & CAM_STATUS_MASK) == 778 CAM_SCSI_STATUS_ERROR) { 779 int asc, ascq; 780 int sense_key, error_code; 781 782 scsi_extract_sense(&csio.sense_data, 783 &error_code, 784 &sense_key, 785 &asc, &ascq); 786 if (sense_key != SSD_KEY_ILLEGAL_REQUEST) 787 scsi_sense_print(&csio); 788 } else { 789 xpt_print_path(periph->path); 790 printf("Synchronize cache failed, status " 791 "== 0x%x, scsi status == 0x%x\n", 792 csio.ccb_h.status, csio.scsi_status); 793 } 794 } 795 } 796 return (0); 797 } 798 799 static void 800 dainit(void) 801 { 802 cam_status status; 803 struct cam_path *path; 804 805 SLIST_INIT(&softc_list); 806 807 /* 808 * Install a global async callback. This callback will 809 * receive async callbacks like "new device found". 810 */ 811 status = xpt_create_path(&path, /*periph*/NULL, CAM_XPT_PATH_ID, 812 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD); 813 814 if (status == CAM_REQ_CMP) { 815 struct ccb_setasync csa; 816 817 xpt_setup_ccb(&csa.ccb_h, path, /*priority*/5); 818 csa.ccb_h.func_code = XPT_SASYNC_CB; 819 csa.event_enable = AC_FOUND_DEVICE; 820 csa.callback = daasync; 821 csa.callback_arg = NULL; 822 xpt_action((union ccb *)&csa); 823 status = csa.ccb_h.status; 824 xpt_free_path(path); 825 } 826 827 if (status != CAM_REQ_CMP) { 828 printf("da: Failed to attach master async callback " 829 "due to status 0x%x!\n", status); 830 } else { 831 832 /* 833 * Schedule a periodic event to occasionally send an 834 * ordered tag to a device. 835 */ 836 timeout(dasendorderedtag, NULL, 837 (DA_DEFAULT_TIMEOUT * hz) / DA_ORDEREDTAG_INTERVAL); 838 839 /* Register our shutdown event handler */ 840 if ((EVENTHANDLER_REGISTER(shutdown_post_sync, dashutdown, 841 NULL, SHUTDOWN_PRI_DEFAULT)) == NULL) 842 printf("dainit: shutdown event registration failed!\n"); 843 } 844 } 845 846 static void 847 daoninvalidate(struct cam_periph *periph) 848 { 849 int s; 850 struct da_softc *softc; 851 struct ccb_setasync csa; 852 853 softc = (struct da_softc *)periph->softc; 854 855 /* 856 * De-register any async callbacks. 857 */ 858 xpt_setup_ccb(&csa.ccb_h, periph->path, 859 /* priority */ 5); 860 csa.ccb_h.func_code = XPT_SASYNC_CB; 861 csa.event_enable = 0; 862 csa.callback = daasync; 863 csa.callback_arg = periph; 864 xpt_action((union ccb *)&csa); 865 866 softc->flags |= DA_FLAG_PACK_INVALID; 867 868 /* 869 * Although the oninvalidate() routines are always called at 870 * splsoftcam, we need to be at splbio() here to keep the buffer 871 * queue from being modified while we traverse it. 872 */ 873 s = splbio(); 874 875 /* 876 * Return all queued I/O with ENXIO. 877 * XXX Handle any transactions queued to the card 878 * with XPT_ABORT_CCB. 879 */ 880 bioq_flush(&softc->bio_queue, NULL, ENXIO); 881 splx(s); 882 883 SLIST_REMOVE(&softc_list, softc, da_softc, links); 884 885 disk_gone(softc->disk); 886 xpt_print_path(periph->path); 887 printf("lost device\n"); 888 } 889 890 static void 891 dacleanup(struct cam_periph *periph) 892 { 893 struct da_softc *softc; 894 895 softc = (struct da_softc *)periph->softc; 896 897 xpt_print_path(periph->path); 898 printf("removing device entry\n"); 899 /* 900 * If we can't free the sysctl tree, oh well... 901 */ 902 if ((softc->flags & DA_FLAG_SCTX_INIT) != 0 903 && sysctl_ctx_free(&softc->sysctl_ctx) != 0) { 904 xpt_print_path(periph->path); 905 printf("can't remove sysctl context\n"); 906 } 907 disk_destroy(softc->disk); 908 free(softc, M_DEVBUF); 909 } 910 911 static void 912 daasync(void *callback_arg, u_int32_t code, 913 struct cam_path *path, void *arg) 914 { 915 struct cam_periph *periph; 916 917 periph = (struct cam_periph *)callback_arg; 918 switch (code) { 919 case AC_FOUND_DEVICE: 920 { 921 struct ccb_getdev *cgd; 922 cam_status status; 923 924 cgd = (struct ccb_getdev *)arg; 925 if (cgd == NULL) 926 break; 927 928 if (SID_TYPE(&cgd->inq_data) != T_DIRECT 929 && SID_TYPE(&cgd->inq_data) != T_RBC 930 && SID_TYPE(&cgd->inq_data) != T_OPTICAL) 931 break; 932 933 /* 934 * Allocate a peripheral instance for 935 * this device and start the probe 936 * process. 937 */ 938 status = cam_periph_alloc(daregister, daoninvalidate, 939 dacleanup, dastart, 940 "da", CAM_PERIPH_BIO, 941 cgd->ccb_h.path, daasync, 942 AC_FOUND_DEVICE, cgd); 943 944 if (status != CAM_REQ_CMP 945 && status != CAM_REQ_INPROG) 946 printf("daasync: Unable to attach to new device " 947 "due to status 0x%x\n", status); 948 break; 949 } 950 case AC_SENT_BDR: 951 case AC_BUS_RESET: 952 { 953 struct da_softc *softc; 954 struct ccb_hdr *ccbh; 955 int s; 956 957 softc = (struct da_softc *)periph->softc; 958 s = splsoftcam(); 959 /* 960 * Don't fail on the expected unit attention 961 * that will occur. 962 */ 963 softc->flags |= DA_FLAG_RETRY_UA; 964 LIST_FOREACH(ccbh, &softc->pending_ccbs, periph_links.le) 965 ccbh->ccb_state |= DA_CCB_RETRY_UA; 966 splx(s); 967 /* FALLTHROUGH*/ 968 } 969 default: 970 cam_periph_async(periph, code, path, arg); 971 break; 972 } 973 } 974 975 static void 976 dasysctlinit(void *context, int pending) 977 { 978 struct cam_periph *periph; 979 struct da_softc *softc; 980 char tmpstr[80], tmpstr2[80]; 981 982 periph = (struct cam_periph *)context; 983 softc = (struct da_softc *)periph->softc; 984 985 snprintf(tmpstr, sizeof(tmpstr), "CAM DA unit %d", periph->unit_number); 986 snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number); 987 988 mtx_lock(&Giant); 989 sysctl_ctx_init(&softc->sysctl_ctx); 990 softc->flags |= DA_FLAG_SCTX_INIT; 991 softc->sysctl_tree = SYSCTL_ADD_NODE(&softc->sysctl_ctx, 992 SYSCTL_STATIC_CHILDREN(_kern_cam_da), OID_AUTO, tmpstr2, 993 CTLFLAG_RD, 0, tmpstr); 994 if (softc->sysctl_tree == NULL) { 995 printf("dasysctlinit: unable to allocate sysctl tree\n"); 996 return; 997 } 998 999 /* 1000 * Now register the sysctl handler, so the user can the value on 1001 * the fly. 1002 */ 1003 SYSCTL_ADD_PROC(&softc->sysctl_ctx,SYSCTL_CHILDREN(softc->sysctl_tree), 1004 OID_AUTO, "minimum_cmd_size", CTLTYPE_INT | CTLFLAG_RW, 1005 &softc->minimum_cmd_size, 0, dacmdsizesysctl, "I", 1006 "Minimum CDB size"); 1007 1008 mtx_unlock(&Giant); 1009 } 1010 1011 static int 1012 dacmdsizesysctl(SYSCTL_HANDLER_ARGS) 1013 { 1014 int error, value; 1015 1016 value = *(int *)arg1; 1017 1018 error = sysctl_handle_int(oidp, &value, 0, req); 1019 1020 if ((error != 0) 1021 || (req->newptr == NULL)) 1022 return (error); 1023 1024 /* 1025 * Acceptable values here are 6, 10, 12 or 16. 1026 */ 1027 if (value < 6) 1028 value = 6; 1029 else if ((value > 6) 1030 && (value <= 10)) 1031 value = 10; 1032 else if ((value > 10) 1033 && (value <= 12)) 1034 value = 12; 1035 else if (value > 12) 1036 value = 16; 1037 1038 *(int *)arg1 = value; 1039 1040 return (0); 1041 } 1042 1043 static cam_status 1044 daregister(struct cam_periph *periph, void *arg) 1045 { 1046 int s; 1047 struct da_softc *softc; 1048 struct ccb_setasync csa; 1049 struct ccb_pathinq cpi; 1050 struct ccb_getdev *cgd; 1051 char tmpstr[80]; 1052 caddr_t match; 1053 1054 cgd = (struct ccb_getdev *)arg; 1055 if (periph == NULL) { 1056 printf("daregister: periph was NULL!!\n"); 1057 return(CAM_REQ_CMP_ERR); 1058 } 1059 1060 if (cgd == NULL) { 1061 printf("daregister: no getdev CCB, can't register device\n"); 1062 return(CAM_REQ_CMP_ERR); 1063 } 1064 1065 softc = (struct da_softc *)malloc(sizeof(*softc), M_DEVBUF, 1066 M_NOWAIT|M_ZERO); 1067 1068 if (softc == NULL) { 1069 printf("daregister: Unable to probe new device. " 1070 "Unable to allocate softc\n"); 1071 return(CAM_REQ_CMP_ERR); 1072 } 1073 1074 LIST_INIT(&softc->pending_ccbs); 1075 softc->state = DA_STATE_PROBE; 1076 bioq_init(&softc->bio_queue); 1077 if (SID_IS_REMOVABLE(&cgd->inq_data)) 1078 softc->flags |= DA_FLAG_PACK_REMOVABLE; 1079 if ((cgd->inq_data.flags & SID_CmdQue) != 0) 1080 softc->flags |= DA_FLAG_TAGGED_QUEUING; 1081 1082 periph->softc = softc; 1083 1084 /* 1085 * See if this device has any quirks. 1086 */ 1087 match = cam_quirkmatch((caddr_t)&cgd->inq_data, 1088 (caddr_t)da_quirk_table, 1089 sizeof(da_quirk_table)/sizeof(*da_quirk_table), 1090 sizeof(*da_quirk_table), scsi_inquiry_match); 1091 1092 if (match != NULL) 1093 softc->quirks = ((struct da_quirk_entry *)match)->quirks; 1094 else 1095 softc->quirks = DA_Q_NONE; 1096 1097 /* Check if the SIM does not want 6 byte commands */ 1098 xpt_setup_ccb(&cpi.ccb_h, periph->path, /*priority*/1); 1099 cpi.ccb_h.func_code = XPT_PATH_INQ; 1100 xpt_action((union ccb *)&cpi); 1101 if (cpi.ccb_h.status == CAM_REQ_CMP && (cpi.hba_misc & PIM_NO_6_BYTE)) 1102 softc->quirks |= DA_Q_NO_6_BYTE; 1103 1104 TASK_INIT(&softc->sysctl_task, 0, dasysctlinit, periph); 1105 1106 /* 1107 * RBC devices don't have to support READ(6), only READ(10). 1108 */ 1109 if (softc->quirks & DA_Q_NO_6_BYTE || SID_TYPE(&cgd->inq_data) == T_RBC) 1110 softc->minimum_cmd_size = 10; 1111 else 1112 softc->minimum_cmd_size = 6; 1113 1114 /* 1115 * Load the user's default, if any. 1116 */ 1117 snprintf(tmpstr, sizeof(tmpstr), "kern.cam.da.%d.minimum_cmd_size", 1118 periph->unit_number); 1119 TUNABLE_INT_FETCH(tmpstr, &softc->minimum_cmd_size); 1120 1121 /* 1122 * 6, 10, 12 and 16 are the currently permissible values. 1123 */ 1124 if (softc->minimum_cmd_size < 6) 1125 softc->minimum_cmd_size = 6; 1126 else if ((softc->minimum_cmd_size > 6) 1127 && (softc->minimum_cmd_size <= 10)) 1128 softc->minimum_cmd_size = 10; 1129 else if ((softc->minimum_cmd_size > 10) 1130 && (softc->minimum_cmd_size <= 12)) 1131 softc->minimum_cmd_size = 12; 1132 else if (softc->minimum_cmd_size > 12) 1133 softc->minimum_cmd_size = 16; 1134 1135 /* 1136 * Block our timeout handler while we 1137 * add this softc to the dev list. 1138 */ 1139 s = splsoftclock(); 1140 SLIST_INSERT_HEAD(&softc_list, softc, links); 1141 splx(s); 1142 1143 /* 1144 * Register this media as a disk 1145 */ 1146 1147 softc->disk = disk_alloc(); 1148 softc->disk->d_open = daopen; 1149 softc->disk->d_close = daclose; 1150 softc->disk->d_strategy = dastrategy; 1151 softc->disk->d_dump = dadump; 1152 softc->disk->d_name = "da"; 1153 softc->disk->d_drv1 = periph; 1154 softc->disk->d_maxsize = DFLTPHYS; /* XXX: probably not arbitrary */ 1155 softc->disk->d_unit = periph->unit_number; 1156 softc->disk->d_flags = DISKFLAG_NEEDSGIANT; 1157 disk_create(softc->disk, DISK_VERSION); 1158 1159 /* 1160 * Add async callbacks for bus reset and 1161 * bus device reset calls. I don't bother 1162 * checking if this fails as, in most cases, 1163 * the system will function just fine without 1164 * them and the only alternative would be to 1165 * not attach the device on failure. 1166 */ 1167 xpt_setup_ccb(&csa.ccb_h, periph->path, /*priority*/5); 1168 csa.ccb_h.func_code = XPT_SASYNC_CB; 1169 csa.event_enable = AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE; 1170 csa.callback = daasync; 1171 csa.callback_arg = periph; 1172 xpt_action((union ccb *)&csa); 1173 /* 1174 * Lock this peripheral until we are setup. 1175 * This first call can't block 1176 */ 1177 (void)cam_periph_lock(periph, PRIBIO); 1178 xpt_schedule(periph, /*priority*/5); 1179 1180 return(CAM_REQ_CMP); 1181 } 1182 1183 static void 1184 dastart(struct cam_periph *periph, union ccb *start_ccb) 1185 { 1186 struct da_softc *softc; 1187 1188 softc = (struct da_softc *)periph->softc; 1189 1190 1191 switch (softc->state) { 1192 case DA_STATE_NORMAL: 1193 { 1194 /* Pull a buffer from the queue and get going on it */ 1195 struct bio *bp; 1196 int s; 1197 1198 /* 1199 * See if there is a buf with work for us to do.. 1200 */ 1201 s = splbio(); 1202 bp = bioq_first(&softc->bio_queue); 1203 if (periph->immediate_priority <= periph->pinfo.priority) { 1204 CAM_DEBUG_PRINT(CAM_DEBUG_SUBTRACE, 1205 ("queuing for immediate ccb\n")); 1206 start_ccb->ccb_h.ccb_state = DA_CCB_WAITING; 1207 SLIST_INSERT_HEAD(&periph->ccb_list, &start_ccb->ccb_h, 1208 periph_links.sle); 1209 periph->immediate_priority = CAM_PRIORITY_NONE; 1210 splx(s); 1211 wakeup(&periph->ccb_list); 1212 } else if (bp == NULL) { 1213 splx(s); 1214 xpt_release_ccb(start_ccb); 1215 } else { 1216 int oldspl; 1217 u_int8_t tag_code; 1218 1219 bioq_remove(&softc->bio_queue, bp); 1220 1221 if ((softc->flags & DA_FLAG_NEED_OTAG) != 0) { 1222 softc->flags &= ~DA_FLAG_NEED_OTAG; 1223 softc->ordered_tag_count++; 1224 tag_code = MSG_ORDERED_Q_TAG; 1225 } else { 1226 tag_code = MSG_SIMPLE_Q_TAG; 1227 } 1228 scsi_read_write(&start_ccb->csio, 1229 /*retries*/da_retry_count, 1230 /*cbfcnp*/dadone, 1231 /*tag_action*/tag_code, 1232 /*read_op*/bp->bio_cmd == BIO_READ, 1233 /*byte2*/0, 1234 softc->minimum_cmd_size, 1235 /*lba*/bp->bio_pblkno, 1236 /*block_count*/bp->bio_bcount / 1237 softc->params.secsize, 1238 /*data_ptr*/ bp->bio_data, 1239 /*dxfer_len*/ bp->bio_bcount, 1240 /*sense_len*/SSD_FULL_SIZE, 1241 /*timeout*/da_default_timeout*1000); 1242 start_ccb->ccb_h.ccb_state = DA_CCB_BUFFER_IO; 1243 1244 /* 1245 * Block out any asyncronous callbacks 1246 * while we touch the pending ccb list. 1247 */ 1248 oldspl = splcam(); 1249 LIST_INSERT_HEAD(&softc->pending_ccbs, 1250 &start_ccb->ccb_h, periph_links.le); 1251 softc->outstanding_cmds++; 1252 splx(oldspl); 1253 1254 /* We expect a unit attention from this device */ 1255 if ((softc->flags & DA_FLAG_RETRY_UA) != 0) { 1256 start_ccb->ccb_h.ccb_state |= DA_CCB_RETRY_UA; 1257 softc->flags &= ~DA_FLAG_RETRY_UA; 1258 } 1259 1260 start_ccb->ccb_h.ccb_bp = bp; 1261 bp = bioq_first(&softc->bio_queue); 1262 splx(s); 1263 1264 xpt_action(start_ccb); 1265 } 1266 1267 if (bp != NULL) { 1268 /* Have more work to do, so ensure we stay scheduled */ 1269 xpt_schedule(periph, /* XXX priority */1); 1270 } 1271 break; 1272 } 1273 case DA_STATE_PROBE: 1274 { 1275 struct ccb_scsiio *csio; 1276 struct scsi_read_capacity_data *rcap; 1277 1278 rcap = (struct scsi_read_capacity_data *)malloc(sizeof(*rcap), 1279 M_TEMP, 1280 M_NOWAIT); 1281 if (rcap == NULL) { 1282 printf("dastart: Couldn't malloc read_capacity data\n"); 1283 /* da_free_periph??? */ 1284 break; 1285 } 1286 csio = &start_ccb->csio; 1287 scsi_read_capacity(csio, 1288 /*retries*/4, 1289 dadone, 1290 MSG_SIMPLE_Q_TAG, 1291 rcap, 1292 SSD_FULL_SIZE, 1293 /*timeout*/5000); 1294 start_ccb->ccb_h.ccb_bp = NULL; 1295 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE; 1296 xpt_action(start_ccb); 1297 break; 1298 } 1299 case DA_STATE_PROBE2: 1300 { 1301 struct ccb_scsiio *csio; 1302 struct scsi_read_capacity_data_long *rcaplong; 1303 1304 rcaplong = (struct scsi_read_capacity_data_long *) 1305 malloc(sizeof(*rcaplong), M_TEMP, M_NOWAIT); 1306 if (rcaplong == NULL) { 1307 printf("dastart: Couldn't malloc read_capacity data\n"); 1308 /* da_free_periph??? */ 1309 break; 1310 } 1311 csio = &start_ccb->csio; 1312 scsi_read_capacity_16(csio, 1313 /*retries*/ 4, 1314 /*cbfcnp*/ dadone, 1315 /*tag_action*/ MSG_SIMPLE_Q_TAG, 1316 /*lba*/ 0, 1317 /*reladr*/ 0, 1318 /*pmi*/ 0, 1319 rcaplong, 1320 /*sense_len*/ SSD_FULL_SIZE, 1321 /*timeout*/ 60000); 1322 start_ccb->ccb_h.ccb_bp = NULL; 1323 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE2; 1324 xpt_action(start_ccb); 1325 break; 1326 } 1327 } 1328 } 1329 1330 static int 1331 cmd6workaround(union ccb *ccb) 1332 { 1333 struct scsi_rw_6 cmd6; 1334 struct scsi_rw_10 *cmd10; 1335 struct da_softc *softc; 1336 u_int8_t *cdb; 1337 int frozen; 1338 1339 cdb = ccb->csio.cdb_io.cdb_bytes; 1340 1341 /* Translation only possible if CDB is an array and cmd is R/W6 */ 1342 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0 || 1343 (*cdb != READ_6 && *cdb != WRITE_6)) 1344 return 0; 1345 1346 xpt_print_path(ccb->ccb_h.path); 1347 printf("READ(6)/WRITE(6) not supported, " 1348 "increasing minimum_cmd_size to 10.\n"); 1349 softc = (struct da_softc *)xpt_path_periph(ccb->ccb_h.path)->softc; 1350 softc->minimum_cmd_size = 10; 1351 1352 bcopy(cdb, &cmd6, sizeof(struct scsi_rw_6)); 1353 cmd10 = (struct scsi_rw_10 *)cdb; 1354 cmd10->opcode = (cmd6.opcode == READ_6) ? READ_10 : WRITE_10; 1355 cmd10->byte2 = 0; 1356 scsi_ulto4b(scsi_3btoul(cmd6.addr), cmd10->addr); 1357 cmd10->reserved = 0; 1358 scsi_ulto2b(cmd6.length, cmd10->length); 1359 cmd10->control = cmd6.control; 1360 ccb->csio.cdb_len = sizeof(*cmd10); 1361 1362 /* Requeue request, unfreezing queue if necessary */ 1363 frozen = (ccb->ccb_h.status & CAM_DEV_QFRZN) != 0; 1364 ccb->ccb_h.status = CAM_REQUEUE_REQ; 1365 xpt_action(ccb); 1366 if (frozen) { 1367 cam_release_devq(ccb->ccb_h.path, 1368 /*relsim_flags*/0, 1369 /*reduction*/0, 1370 /*timeout*/0, 1371 /*getcount_only*/0); 1372 } 1373 return (ERESTART); 1374 } 1375 1376 static void 1377 dadone(struct cam_periph *periph, union ccb *done_ccb) 1378 { 1379 struct da_softc *softc; 1380 struct ccb_scsiio *csio; 1381 1382 softc = (struct da_softc *)periph->softc; 1383 csio = &done_ccb->csio; 1384 switch (csio->ccb_h.ccb_state & DA_CCB_TYPE_MASK) { 1385 case DA_CCB_BUFFER_IO: 1386 { 1387 struct bio *bp; 1388 int oldspl; 1389 1390 bp = (struct bio *)done_ccb->ccb_h.ccb_bp; 1391 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1392 int error; 1393 int s; 1394 int sf; 1395 1396 if ((csio->ccb_h.ccb_state & DA_CCB_RETRY_UA) != 0) 1397 sf = SF_RETRY_UA; 1398 else 1399 sf = 0; 1400 1401 error = daerror(done_ccb, CAM_RETRY_SELTO, sf); 1402 if (error == ERESTART) { 1403 /* 1404 * A retry was scheuled, so 1405 * just return. 1406 */ 1407 return; 1408 } 1409 if (error != 0) { 1410 1411 s = splbio(); 1412 1413 if (error == ENXIO) { 1414 /* 1415 * Catastrophic error. Mark our pack as 1416 * invalid. 1417 */ 1418 /* XXX See if this is really a media 1419 * change first. 1420 */ 1421 xpt_print_path(periph->path); 1422 printf("Invalidating pack\n"); 1423 softc->flags |= DA_FLAG_PACK_INVALID; 1424 } 1425 1426 /* 1427 * return all queued I/O with EIO, so that 1428 * the client can retry these I/Os in the 1429 * proper order should it attempt to recover. 1430 */ 1431 bioq_flush(&softc->bio_queue, NULL, EIO); 1432 splx(s); 1433 bp->bio_error = error; 1434 bp->bio_resid = bp->bio_bcount; 1435 bp->bio_flags |= BIO_ERROR; 1436 } else { 1437 bp->bio_resid = csio->resid; 1438 bp->bio_error = 0; 1439 if (bp->bio_resid != 0) 1440 bp->bio_flags |= BIO_ERROR; 1441 } 1442 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 1443 cam_release_devq(done_ccb->ccb_h.path, 1444 /*relsim_flags*/0, 1445 /*reduction*/0, 1446 /*timeout*/0, 1447 /*getcount_only*/0); 1448 } else { 1449 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 1450 panic("REQ_CMP with QFRZN"); 1451 bp->bio_resid = csio->resid; 1452 if (csio->resid > 0) 1453 bp->bio_flags |= BIO_ERROR; 1454 } 1455 1456 /* 1457 * Block out any asyncronous callbacks 1458 * while we touch the pending ccb list. 1459 */ 1460 oldspl = splcam(); 1461 LIST_REMOVE(&done_ccb->ccb_h, periph_links.le); 1462 softc->outstanding_cmds--; 1463 if (softc->outstanding_cmds == 0) 1464 softc->flags |= DA_FLAG_WENT_IDLE; 1465 splx(oldspl); 1466 1467 biodone(bp); 1468 break; 1469 } 1470 case DA_CCB_PROBE: 1471 case DA_CCB_PROBE2: 1472 { 1473 struct scsi_read_capacity_data *rdcap; 1474 struct scsi_read_capacity_data_long *rcaplong; 1475 char announce_buf[80]; 1476 1477 rdcap = NULL; 1478 rcaplong = NULL; 1479 if (softc->state == DA_STATE_PROBE) 1480 rdcap =(struct scsi_read_capacity_data *)csio->data_ptr; 1481 else 1482 rcaplong = (struct scsi_read_capacity_data_long *) 1483 csio->data_ptr; 1484 1485 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 1486 struct disk_params *dp; 1487 uint32_t block_size; 1488 uint64_t maxsector; 1489 1490 if (softc->state == DA_STATE_PROBE) { 1491 block_size = scsi_4btoul(rdcap->length); 1492 maxsector = scsi_4btoul(rdcap->addr); 1493 1494 /* 1495 * According to SBC-2, if the standard 10 1496 * byte READ CAPACITY command returns 2^32, 1497 * we should issue the 16 byte version of 1498 * the command, since the device in question 1499 * has more sectors than can be represented 1500 * with the short version of the command. 1501 */ 1502 if (maxsector == 0xffffffff) { 1503 softc->state = DA_STATE_PROBE2; 1504 free(rdcap, M_TEMP); 1505 xpt_release_ccb(done_ccb); 1506 xpt_schedule(periph, /*priority*/5); 1507 return; 1508 } 1509 } else { 1510 block_size = scsi_4btoul(rcaplong->length); 1511 maxsector = scsi_8btou64(rcaplong->addr); 1512 } 1513 dasetgeom(periph, block_size, maxsector); 1514 dp = &softc->params; 1515 snprintf(announce_buf, sizeof(announce_buf), 1516 "%juMB (%ju %u byte sectors: %dH %dS/T %dC)", 1517 (uintmax_t) (((uintmax_t)dp->secsize * 1518 dp->sectors) / (1024*1024)), 1519 (uintmax_t)dp->sectors, 1520 dp->secsize, dp->heads, dp->secs_per_track, 1521 dp->cylinders); 1522 } else { 1523 int error; 1524 1525 announce_buf[0] = '\0'; 1526 1527 /* 1528 * Retry any UNIT ATTENTION type errors. They 1529 * are expected at boot. 1530 */ 1531 error = daerror(done_ccb, CAM_RETRY_SELTO, 1532 SF_RETRY_UA|SF_NO_PRINT); 1533 if (error == ERESTART) { 1534 /* 1535 * A retry was scheuled, so 1536 * just return. 1537 */ 1538 return; 1539 } else if (error != 0) { 1540 struct scsi_sense_data *sense; 1541 int asc, ascq; 1542 int sense_key, error_code; 1543 int have_sense; 1544 cam_status status; 1545 struct ccb_getdev cgd; 1546 1547 /* Don't wedge this device's queue */ 1548 status = done_ccb->ccb_h.status; 1549 if ((status & CAM_DEV_QFRZN) != 0) 1550 cam_release_devq(done_ccb->ccb_h.path, 1551 /*relsim_flags*/0, 1552 /*reduction*/0, 1553 /*timeout*/0, 1554 /*getcount_only*/0); 1555 1556 1557 xpt_setup_ccb(&cgd.ccb_h, 1558 done_ccb->ccb_h.path, 1559 /* priority */ 1); 1560 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 1561 xpt_action((union ccb *)&cgd); 1562 1563 if (((csio->ccb_h.flags & CAM_SENSE_PHYS) != 0) 1564 || ((csio->ccb_h.flags & CAM_SENSE_PTR) != 0) 1565 || ((status & CAM_AUTOSNS_VALID) == 0)) 1566 have_sense = FALSE; 1567 else 1568 have_sense = TRUE; 1569 1570 if (have_sense) { 1571 sense = &csio->sense_data; 1572 scsi_extract_sense(sense, &error_code, 1573 &sense_key, 1574 &asc, &ascq); 1575 } 1576 /* 1577 * Attach to anything that claims to be a 1578 * direct access or optical disk device, 1579 * as long as it doesn't return a "Logical 1580 * unit not supported" (0x25) error. 1581 */ 1582 if ((have_sense) && (asc != 0x25) 1583 && (error_code == SSD_CURRENT_ERROR)) { 1584 const char *sense_key_desc; 1585 const char *asc_desc; 1586 1587 scsi_sense_desc(sense_key, asc, ascq, 1588 &cgd.inq_data, 1589 &sense_key_desc, 1590 &asc_desc); 1591 snprintf(announce_buf, 1592 sizeof(announce_buf), 1593 "Attempt to query device " 1594 "size failed: %s, %s", 1595 sense_key_desc, 1596 asc_desc); 1597 } else { 1598 if (have_sense) 1599 scsi_sense_print( 1600 &done_ccb->csio); 1601 else { 1602 xpt_print_path(periph->path); 1603 printf("got CAM status %#x\n", 1604 done_ccb->ccb_h.status); 1605 } 1606 1607 xpt_print_path(periph->path); 1608 printf("fatal error, failed" 1609 " to attach to device\n"); 1610 1611 /* 1612 * Free up resources. 1613 */ 1614 cam_periph_invalidate(periph); 1615 } 1616 } 1617 } 1618 free(csio->data_ptr, M_TEMP); 1619 if (announce_buf[0] != '\0') { 1620 xpt_announce_periph(periph, announce_buf); 1621 /* 1622 * Create our sysctl variables, now that we know 1623 * we have successfully attached. 1624 */ 1625 taskqueue_enqueue(taskqueue_thread,&softc->sysctl_task); 1626 } 1627 softc->state = DA_STATE_NORMAL; 1628 /* 1629 * Since our peripheral may be invalidated by an error 1630 * above or an external event, we must release our CCB 1631 * before releasing the probe lock on the peripheral. 1632 * The peripheral will only go away once the last lock 1633 * is removed, and we need it around for the CCB release 1634 * operation. 1635 */ 1636 xpt_release_ccb(done_ccb); 1637 cam_periph_unlock(periph); 1638 return; 1639 } 1640 case DA_CCB_WAITING: 1641 { 1642 /* Caller will release the CCB */ 1643 wakeup(&done_ccb->ccb_h.cbfcnp); 1644 return; 1645 } 1646 case DA_CCB_DUMP: 1647 /* No-op. We're polling */ 1648 return; 1649 default: 1650 break; 1651 } 1652 xpt_release_ccb(done_ccb); 1653 } 1654 1655 static int 1656 daerror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags) 1657 { 1658 struct da_softc *softc; 1659 struct cam_periph *periph; 1660 int error; 1661 1662 periph = xpt_path_periph(ccb->ccb_h.path); 1663 softc = (struct da_softc *)periph->softc; 1664 1665 /* 1666 * Automatically detect devices that do not support 1667 * READ(6)/WRITE(6) and upgrade to using 10 byte cdbs. 1668 */ 1669 error = 0; 1670 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INVALID) { 1671 error = cmd6workaround(ccb); 1672 } else if (((ccb->ccb_h.status & CAM_STATUS_MASK) == 1673 CAM_SCSI_STATUS_ERROR) 1674 && (ccb->ccb_h.status & CAM_AUTOSNS_VALID) 1675 && (ccb->csio.scsi_status == SCSI_STATUS_CHECK_COND) 1676 && ((ccb->ccb_h.flags & CAM_SENSE_PHYS) == 0) 1677 && ((ccb->ccb_h.flags & CAM_SENSE_PTR) == 0)) { 1678 int sense_key, error_code, asc, ascq; 1679 1680 scsi_extract_sense(&ccb->csio.sense_data, 1681 &error_code, &sense_key, &asc, &ascq); 1682 if (sense_key == SSD_KEY_ILLEGAL_REQUEST) 1683 error = cmd6workaround(ccb); 1684 } 1685 if (error == ERESTART) 1686 return (ERESTART); 1687 1688 /* 1689 * XXX 1690 * Until we have a better way of doing pack validation, 1691 * don't treat UAs as errors. 1692 */ 1693 sense_flags |= SF_RETRY_UA; 1694 return(cam_periph_error(ccb, cam_flags, sense_flags, 1695 &softc->saved_ccb)); 1696 } 1697 1698 static void 1699 daprevent(struct cam_periph *periph, int action) 1700 { 1701 struct da_softc *softc; 1702 union ccb *ccb; 1703 int error; 1704 1705 softc = (struct da_softc *)periph->softc; 1706 1707 if (((action == PR_ALLOW) 1708 && (softc->flags & DA_FLAG_PACK_LOCKED) == 0) 1709 || ((action == PR_PREVENT) 1710 && (softc->flags & DA_FLAG_PACK_LOCKED) != 0)) { 1711 return; 1712 } 1713 1714 ccb = cam_periph_getccb(periph, /*priority*/1); 1715 1716 scsi_prevent(&ccb->csio, 1717 /*retries*/1, 1718 /*cbcfp*/dadone, 1719 MSG_SIMPLE_Q_TAG, 1720 action, 1721 SSD_FULL_SIZE, 1722 5000); 1723 1724 error = cam_periph_runccb(ccb, /*error_routine*/NULL, CAM_RETRY_SELTO, 1725 SF_RETRY_UA, softc->disk->d_devstat); 1726 1727 if (error == 0) { 1728 if (action == PR_ALLOW) 1729 softc->flags &= ~DA_FLAG_PACK_LOCKED; 1730 else 1731 softc->flags |= DA_FLAG_PACK_LOCKED; 1732 } 1733 1734 xpt_release_ccb(ccb); 1735 } 1736 1737 static int 1738 dagetcapacity(struct cam_periph *periph) 1739 { 1740 struct da_softc *softc; 1741 union ccb *ccb; 1742 struct scsi_read_capacity_data *rcap; 1743 struct scsi_read_capacity_data_long *rcaplong; 1744 uint32_t block_len; 1745 uint64_t maxsector; 1746 int error; 1747 1748 softc = (struct da_softc *)periph->softc; 1749 block_len = 0; 1750 maxsector = 0; 1751 error = 0; 1752 1753 /* Do a read capacity */ 1754 rcap = (struct scsi_read_capacity_data *)malloc(sizeof(*rcaplong), 1755 M_TEMP, 1756 M_WAITOK); 1757 1758 ccb = cam_periph_getccb(periph, /*priority*/1); 1759 scsi_read_capacity(&ccb->csio, 1760 /*retries*/4, 1761 /*cbfncp*/dadone, 1762 MSG_SIMPLE_Q_TAG, 1763 rcap, 1764 SSD_FULL_SIZE, 1765 /*timeout*/60000); 1766 ccb->ccb_h.ccb_bp = NULL; 1767 1768 error = cam_periph_runccb(ccb, daerror, 1769 /*cam_flags*/CAM_RETRY_SELTO, 1770 /*sense_flags*/SF_RETRY_UA, 1771 softc->disk->d_devstat); 1772 1773 if ((ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 1774 cam_release_devq(ccb->ccb_h.path, 1775 /*relsim_flags*/0, 1776 /*reduction*/0, 1777 /*timeout*/0, 1778 /*getcount_only*/0); 1779 1780 if (error == 0) { 1781 block_len = scsi_4btoul(rcap->length); 1782 maxsector = scsi_4btoul(rcap->addr); 1783 1784 if (maxsector != 0xffffffff) 1785 goto done; 1786 } else 1787 goto done; 1788 1789 rcaplong = (struct scsi_read_capacity_data_long *)rcap; 1790 1791 scsi_read_capacity_16(&ccb->csio, 1792 /*retries*/ 4, 1793 /*cbfcnp*/ dadone, 1794 /*tag_action*/ MSG_SIMPLE_Q_TAG, 1795 /*lba*/ 0, 1796 /*reladr*/ 0, 1797 /*pmi*/ 0, 1798 rcaplong, 1799 /*sense_len*/ SSD_FULL_SIZE, 1800 /*timeout*/ 60000); 1801 ccb->ccb_h.ccb_bp = NULL; 1802 1803 error = cam_periph_runccb(ccb, daerror, 1804 /*cam_flags*/CAM_RETRY_SELTO, 1805 /*sense_flags*/SF_RETRY_UA, 1806 softc->disk->d_devstat); 1807 1808 if ((ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 1809 cam_release_devq(ccb->ccb_h.path, 1810 /*relsim_flags*/0, 1811 /*reduction*/0, 1812 /*timeout*/0, 1813 /*getcount_only*/0); 1814 1815 if (error == 0) { 1816 block_len = scsi_4btoul(rcaplong->length); 1817 maxsector = scsi_8btou64(rcaplong->addr); 1818 } 1819 1820 done: 1821 1822 if (error == 0) 1823 dasetgeom(periph, block_len, maxsector); 1824 1825 xpt_release_ccb(ccb); 1826 1827 free(rcap, M_TEMP); 1828 1829 return (error); 1830 } 1831 1832 static void 1833 dasetgeom(struct cam_periph *periph, uint32_t block_len, uint64_t maxsector) 1834 { 1835 struct ccb_calc_geometry ccg; 1836 struct da_softc *softc; 1837 struct disk_params *dp; 1838 1839 softc = (struct da_softc *)periph->softc; 1840 1841 dp = &softc->params; 1842 dp->secsize = block_len; 1843 dp->sectors = maxsector + 1; 1844 /* 1845 * Have the controller provide us with a geometry 1846 * for this disk. The only time the geometry 1847 * matters is when we boot and the controller 1848 * is the only one knowledgeable enough to come 1849 * up with something that will make this a bootable 1850 * device. 1851 */ 1852 xpt_setup_ccb(&ccg.ccb_h, periph->path, /*priority*/1); 1853 ccg.ccb_h.func_code = XPT_CALC_GEOMETRY; 1854 ccg.block_size = dp->secsize; 1855 ccg.volume_size = dp->sectors; 1856 ccg.heads = 0; 1857 ccg.secs_per_track = 0; 1858 ccg.cylinders = 0; 1859 xpt_action((union ccb*)&ccg); 1860 dp->heads = ccg.heads; 1861 dp->secs_per_track = ccg.secs_per_track; 1862 dp->cylinders = ccg.cylinders; 1863 } 1864 1865 static void 1866 dasendorderedtag(void *arg) 1867 { 1868 struct da_softc *softc; 1869 int s; 1870 1871 for (softc = SLIST_FIRST(&softc_list); 1872 softc != NULL; 1873 softc = SLIST_NEXT(softc, links)) { 1874 s = splsoftcam(); 1875 if ((softc->ordered_tag_count == 0) 1876 && ((softc->flags & DA_FLAG_WENT_IDLE) == 0)) { 1877 softc->flags |= DA_FLAG_NEED_OTAG; 1878 } 1879 if (softc->outstanding_cmds > 0) 1880 softc->flags &= ~DA_FLAG_WENT_IDLE; 1881 1882 softc->ordered_tag_count = 0; 1883 splx(s); 1884 } 1885 /* Queue us up again */ 1886 timeout(dasendorderedtag, NULL, 1887 (da_default_timeout * hz) / DA_ORDEREDTAG_INTERVAL); 1888 } 1889 1890 /* 1891 * Step through all DA peripheral drivers, and if the device is still open, 1892 * sync the disk cache to physical media. 1893 */ 1894 static void 1895 dashutdown(void * arg, int howto) 1896 { 1897 struct cam_periph *periph; 1898 struct da_softc *softc; 1899 1900 TAILQ_FOREACH(periph, &dadriver.units, unit_links) { 1901 union ccb ccb; 1902 softc = (struct da_softc *)periph->softc; 1903 1904 /* 1905 * We only sync the cache if the drive is still open, and 1906 * if the drive is capable of it.. 1907 */ 1908 if (((softc->flags & DA_FLAG_OPEN) == 0) 1909 || (softc->quirks & DA_Q_NO_SYNC_CACHE)) 1910 continue; 1911 1912 xpt_setup_ccb(&ccb.ccb_h, periph->path, /*priority*/1); 1913 1914 ccb.ccb_h.ccb_state = DA_CCB_DUMP; 1915 scsi_synchronize_cache(&ccb.csio, 1916 /*retries*/1, 1917 /*cbfcnp*/dadone, 1918 MSG_SIMPLE_Q_TAG, 1919 /*begin_lba*/0, /* whole disk */ 1920 /*lb_count*/0, 1921 SSD_FULL_SIZE, 1922 60 * 60 * 1000); 1923 1924 xpt_polled_action(&ccb); 1925 1926 if ((ccb.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1927 if (((ccb.ccb_h.status & CAM_STATUS_MASK) == 1928 CAM_SCSI_STATUS_ERROR) 1929 && (ccb.csio.scsi_status == SCSI_STATUS_CHECK_COND)){ 1930 int error_code, sense_key, asc, ascq; 1931 1932 scsi_extract_sense(&ccb.csio.sense_data, 1933 &error_code, &sense_key, 1934 &asc, &ascq); 1935 1936 if (sense_key != SSD_KEY_ILLEGAL_REQUEST) 1937 scsi_sense_print(&ccb.csio); 1938 } else { 1939 xpt_print_path(periph->path); 1940 printf("Synchronize cache failed, status " 1941 "== 0x%x, scsi status == 0x%x\n", 1942 ccb.ccb_h.status, ccb.csio.scsi_status); 1943 } 1944 } 1945 1946 if ((ccb.ccb_h.status & CAM_DEV_QFRZN) != 0) 1947 cam_release_devq(ccb.ccb_h.path, 1948 /*relsim_flags*/0, 1949 /*reduction*/0, 1950 /*timeout*/0, 1951 /*getcount_only*/0); 1952 1953 } 1954 } 1955 1956 #else /* !_KERNEL */ 1957 1958 /* 1959 * XXX This is only left out of the kernel build to silence warnings. If, 1960 * for some reason this function is used in the kernel, the ifdefs should 1961 * be moved so it is included both in the kernel and userland. 1962 */ 1963 void 1964 scsi_format_unit(struct ccb_scsiio *csio, u_int32_t retries, 1965 void (*cbfcnp)(struct cam_periph *, union ccb *), 1966 u_int8_t tag_action, u_int8_t byte2, u_int16_t ileave, 1967 u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len, 1968 u_int32_t timeout) 1969 { 1970 struct scsi_format_unit *scsi_cmd; 1971 1972 scsi_cmd = (struct scsi_format_unit *)&csio->cdb_io.cdb_bytes; 1973 scsi_cmd->opcode = FORMAT_UNIT; 1974 scsi_cmd->byte2 = byte2; 1975 scsi_ulto2b(ileave, scsi_cmd->interleave); 1976 1977 cam_fill_csio(csio, 1978 retries, 1979 cbfcnp, 1980 /*flags*/ (dxfer_len > 0) ? CAM_DIR_OUT : CAM_DIR_NONE, 1981 tag_action, 1982 data_ptr, 1983 dxfer_len, 1984 sense_len, 1985 sizeof(*scsi_cmd), 1986 timeout); 1987 } 1988 1989 #endif /* _KERNEL */ 1990