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 * TOSHIBA TransMemory USB sticks 425 */ 426 {T_DIRECT, SIP_MEDIA_REMOVABLE, "TOSHIBA", "TransMemory", 427 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 428 }, 429 { 430 /* 431 * PNY USB Flash keys 432 * PR: usb/75578, usb/72344, usb/65436 433 */ 434 {T_DIRECT, SIP_MEDIA_REMOVABLE, "*" , "USB DISK*", 435 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 436 }, 437 { 438 /* 439 * Genesys 6-in-1 Card Reader 440 * No PR, reported by anders 441 */ 442 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "STORAGE DEVICE*", 443 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 444 }, 445 }; 446 447 static disk_strategy_t dastrategy; 448 static dumper_t dadump; 449 static periph_init_t dainit; 450 static void daasync(void *callback_arg, u_int32_t code, 451 struct cam_path *path, void *arg); 452 static void dasysctlinit(void *context, int pending); 453 static int dacmdsizesysctl(SYSCTL_HANDLER_ARGS); 454 static periph_ctor_t daregister; 455 static periph_dtor_t dacleanup; 456 static periph_start_t dastart; 457 static periph_oninv_t daoninvalidate; 458 static void dadone(struct cam_periph *periph, 459 union ccb *done_ccb); 460 static int daerror(union ccb *ccb, u_int32_t cam_flags, 461 u_int32_t sense_flags); 462 static void daprevent(struct cam_periph *periph, int action); 463 static int dagetcapacity(struct cam_periph *periph); 464 static void dasetgeom(struct cam_periph *periph, uint32_t block_len, 465 uint64_t maxsector); 466 static timeout_t dasendorderedtag; 467 static void dashutdown(void *arg, int howto); 468 469 #ifndef DA_DEFAULT_TIMEOUT 470 #define DA_DEFAULT_TIMEOUT 60 /* Timeout in seconds */ 471 #endif 472 473 #ifndef DA_DEFAULT_RETRY 474 #define DA_DEFAULT_RETRY 4 475 #endif 476 477 static int da_retry_count = DA_DEFAULT_RETRY; 478 static int da_default_timeout = DA_DEFAULT_TIMEOUT; 479 480 SYSCTL_NODE(_kern_cam, OID_AUTO, da, CTLFLAG_RD, 0, 481 "CAM Direct Access Disk driver"); 482 SYSCTL_INT(_kern_cam_da, OID_AUTO, retry_count, CTLFLAG_RW, 483 &da_retry_count, 0, "Normal I/O retry count"); 484 TUNABLE_INT("kern.cam.da.retry_count", &da_retry_count); 485 SYSCTL_INT(_kern_cam_da, OID_AUTO, default_timeout, CTLFLAG_RW, 486 &da_default_timeout, 0, "Normal I/O timeout (in seconds)"); 487 TUNABLE_INT("kern.cam.da.default_timeout", &da_default_timeout); 488 489 /* 490 * DA_ORDEREDTAG_INTERVAL determines how often, relative 491 * to the default timeout, we check to see whether an ordered 492 * tagged transaction is appropriate to prevent simple tag 493 * starvation. Since we'd like to ensure that there is at least 494 * 1/2 of the timeout length left for a starved transaction to 495 * complete after we've sent an ordered tag, we must poll at least 496 * four times in every timeout period. This takes care of the worst 497 * case where a starved transaction starts during an interval that 498 * meets the requirement "don't send an ordered tag" test so it takes 499 * us two intervals to determine that a tag must be sent. 500 */ 501 #ifndef DA_ORDEREDTAG_INTERVAL 502 #define DA_ORDEREDTAG_INTERVAL 4 503 #endif 504 505 static struct periph_driver dadriver = 506 { 507 dainit, "da", 508 TAILQ_HEAD_INITIALIZER(dadriver.units), /* generation */ 0 509 }; 510 511 PERIPHDRIVER_DECLARE(da, dadriver); 512 513 static SLIST_HEAD(,da_softc) softc_list; 514 515 static int 516 daopen(struct disk *dp) 517 { 518 struct cam_periph *periph; 519 struct da_softc *softc; 520 int unit; 521 int error; 522 int s; 523 524 s = splsoftcam(); 525 periph = (struct cam_periph *)dp->d_drv1; 526 if (periph == NULL) { 527 splx(s); 528 return (ENXIO); 529 } 530 unit = periph->unit_number; 531 532 softc = (struct da_softc *)periph->softc; 533 534 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 535 ("daopen: disk=%s%d (unit %d)\n", dp->d_name, dp->d_unit, 536 unit)); 537 538 if ((error = cam_periph_lock(periph, PRIBIO|PCATCH)) != 0) 539 return (error); /* error code from tsleep */ 540 541 if (cam_periph_acquire(periph) != CAM_REQ_CMP) 542 return(ENXIO); 543 softc->flags |= DA_FLAG_OPEN; 544 545 if ((softc->flags & DA_FLAG_PACK_INVALID) != 0) { 546 /* Invalidate our pack information. */ 547 softc->flags &= ~DA_FLAG_PACK_INVALID; 548 } 549 splx(s); 550 551 error = dagetcapacity(periph); 552 553 if (error == 0) { 554 555 softc->disk->d_sectorsize = softc->params.secsize; 556 softc->disk->d_mediasize = softc->params.secsize * (off_t)softc->params.sectors; 557 /* XXX: these are not actually "firmware" values, so they may be wrong */ 558 softc->disk->d_fwsectors = softc->params.secs_per_track; 559 softc->disk->d_fwheads = softc->params.heads; 560 softc->disk->d_devstat->block_size = softc->params.secsize; 561 softc->disk->d_devstat->flags &= ~DEVSTAT_BS_UNAVAILABLE; 562 } 563 564 if (error == 0) { 565 if ((softc->flags & DA_FLAG_PACK_REMOVABLE) != 0 && 566 (softc->quirks & DA_Q_NO_PREVENT) == 0) 567 daprevent(periph, PR_PREVENT); 568 } else { 569 softc->flags &= ~DA_FLAG_OPEN; 570 cam_periph_release(periph); 571 } 572 cam_periph_unlock(periph); 573 return (error); 574 } 575 576 static int 577 daclose(struct disk *dp) 578 { 579 struct cam_periph *periph; 580 struct da_softc *softc; 581 int error; 582 583 periph = (struct cam_periph *)dp->d_drv1; 584 if (periph == NULL) 585 return (ENXIO); 586 587 softc = (struct da_softc *)periph->softc; 588 589 if ((error = cam_periph_lock(periph, PRIBIO)) != 0) { 590 return (error); /* error code from tsleep */ 591 } 592 593 if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) { 594 union ccb *ccb; 595 596 ccb = cam_periph_getccb(periph, /*priority*/1); 597 598 scsi_synchronize_cache(&ccb->csio, 599 /*retries*/1, 600 /*cbfcnp*/dadone, 601 MSG_SIMPLE_Q_TAG, 602 /*begin_lba*/0,/* Cover the whole disk */ 603 /*lb_count*/0, 604 SSD_FULL_SIZE, 605 5 * 60 * 1000); 606 607 cam_periph_runccb(ccb, /*error_routine*/NULL, /*cam_flags*/0, 608 /*sense_flags*/SF_RETRY_UA, 609 softc->disk->d_devstat); 610 611 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 612 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == 613 CAM_SCSI_STATUS_ERROR) { 614 int asc, ascq; 615 int sense_key, error_code; 616 617 scsi_extract_sense(&ccb->csio.sense_data, 618 &error_code, 619 &sense_key, 620 &asc, &ascq); 621 if (sense_key != SSD_KEY_ILLEGAL_REQUEST) 622 scsi_sense_print(&ccb->csio); 623 } else { 624 xpt_print_path(periph->path); 625 printf("Synchronize cache failed, status " 626 "== 0x%x, scsi status == 0x%x\n", 627 ccb->csio.ccb_h.status, 628 ccb->csio.scsi_status); 629 } 630 } 631 632 if ((ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 633 cam_release_devq(ccb->ccb_h.path, 634 /*relsim_flags*/0, 635 /*reduction*/0, 636 /*timeout*/0, 637 /*getcount_only*/0); 638 639 xpt_release_ccb(ccb); 640 641 } 642 643 if ((softc->flags & DA_FLAG_PACK_REMOVABLE) != 0) { 644 if ((softc->quirks & DA_Q_NO_PREVENT) == 0) 645 daprevent(periph, PR_ALLOW); 646 /* 647 * If we've got removeable media, mark the blocksize as 648 * unavailable, since it could change when new media is 649 * inserted. 650 */ 651 softc->disk->d_devstat->flags |= DEVSTAT_BS_UNAVAILABLE; 652 } 653 654 softc->flags &= ~DA_FLAG_OPEN; 655 cam_periph_unlock(periph); 656 cam_periph_release(periph); 657 return (0); 658 } 659 660 /* 661 * Actually translate the requested transfer into one the physical driver 662 * can understand. The transfer is described by a buf and will include 663 * only one physical transfer. 664 */ 665 static void 666 dastrategy(struct bio *bp) 667 { 668 struct cam_periph *periph; 669 struct da_softc *softc; 670 int s; 671 672 periph = (struct cam_periph *)bp->bio_disk->d_drv1; 673 if (periph == NULL) { 674 biofinish(bp, NULL, ENXIO); 675 return; 676 } 677 softc = (struct da_softc *)periph->softc; 678 #if 0 679 /* 680 * check it's not too big a transfer for our adapter 681 */ 682 scsi_minphys(bp,&sd_switch); 683 #endif 684 685 /* 686 * Mask interrupts so that the pack cannot be invalidated until 687 * after we are in the queue. Otherwise, we might not properly 688 * clean up one of the buffers. 689 */ 690 s = splbio(); 691 692 /* 693 * If the device has been made invalid, error out 694 */ 695 if ((softc->flags & DA_FLAG_PACK_INVALID)) { 696 splx(s); 697 biofinish(bp, NULL, ENXIO); 698 return; 699 } 700 701 /* 702 * Place it in the queue of disk activities for this disk 703 */ 704 bioq_disksort(&softc->bio_queue, bp); 705 706 splx(s); 707 708 /* 709 * Schedule ourselves for performing the work. 710 */ 711 xpt_schedule(periph, /* XXX priority */1); 712 713 return; 714 } 715 716 static int 717 dadump(void *arg, void *virtual, vm_offset_t physical, off_t offset, size_t length) 718 { 719 struct cam_periph *periph; 720 struct da_softc *softc; 721 u_int secsize; 722 struct ccb_scsiio csio; 723 struct disk *dp; 724 725 dp = arg; 726 periph = dp->d_drv1; 727 if (periph == NULL) 728 return (ENXIO); 729 softc = (struct da_softc *)periph->softc; 730 secsize = softc->params.secsize; 731 732 if ((softc->flags & DA_FLAG_PACK_INVALID) != 0) 733 return (ENXIO); 734 735 if (length > 0) { 736 xpt_setup_ccb(&csio.ccb_h, periph->path, /*priority*/1); 737 csio.ccb_h.ccb_state = DA_CCB_DUMP; 738 scsi_read_write(&csio, 739 /*retries*/1, 740 dadone, 741 MSG_ORDERED_Q_TAG, 742 /*read*/FALSE, 743 /*byte2*/0, 744 /*minimum_cmd_size*/ softc->minimum_cmd_size, 745 offset / secsize, 746 length / secsize, 747 /*data_ptr*/(u_int8_t *) virtual, 748 /*dxfer_len*/length, 749 /*sense_len*/SSD_FULL_SIZE, 750 DA_DEFAULT_TIMEOUT * 1000); 751 xpt_polled_action((union ccb *)&csio); 752 753 if ((csio.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 754 printf("Aborting dump due to I/O error.\n"); 755 if ((csio.ccb_h.status & CAM_STATUS_MASK) == 756 CAM_SCSI_STATUS_ERROR) 757 scsi_sense_print(&csio); 758 else 759 printf("status == 0x%x, scsi status == 0x%x\n", 760 csio.ccb_h.status, csio.scsi_status); 761 return(EIO); 762 } 763 return(0); 764 } 765 766 /* 767 * Sync the disk cache contents to the physical media. 768 */ 769 if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) { 770 771 xpt_setup_ccb(&csio.ccb_h, periph->path, /*priority*/1); 772 csio.ccb_h.ccb_state = DA_CCB_DUMP; 773 scsi_synchronize_cache(&csio, 774 /*retries*/1, 775 /*cbfcnp*/dadone, 776 MSG_SIMPLE_Q_TAG, 777 /*begin_lba*/0,/* Cover the whole disk */ 778 /*lb_count*/0, 779 SSD_FULL_SIZE, 780 5 * 60 * 1000); 781 xpt_polled_action((union ccb *)&csio); 782 783 if ((csio.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 784 if ((csio.ccb_h.status & CAM_STATUS_MASK) == 785 CAM_SCSI_STATUS_ERROR) { 786 int asc, ascq; 787 int sense_key, error_code; 788 789 scsi_extract_sense(&csio.sense_data, 790 &error_code, 791 &sense_key, 792 &asc, &ascq); 793 if (sense_key != SSD_KEY_ILLEGAL_REQUEST) 794 scsi_sense_print(&csio); 795 } else { 796 xpt_print_path(periph->path); 797 printf("Synchronize cache failed, status " 798 "== 0x%x, scsi status == 0x%x\n", 799 csio.ccb_h.status, csio.scsi_status); 800 } 801 } 802 } 803 return (0); 804 } 805 806 static void 807 dainit(void) 808 { 809 cam_status status; 810 struct cam_path *path; 811 812 SLIST_INIT(&softc_list); 813 814 /* 815 * Install a global async callback. This callback will 816 * receive async callbacks like "new device found". 817 */ 818 status = xpt_create_path(&path, /*periph*/NULL, CAM_XPT_PATH_ID, 819 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD); 820 821 if (status == CAM_REQ_CMP) { 822 struct ccb_setasync csa; 823 824 xpt_setup_ccb(&csa.ccb_h, path, /*priority*/5); 825 csa.ccb_h.func_code = XPT_SASYNC_CB; 826 csa.event_enable = AC_FOUND_DEVICE; 827 csa.callback = daasync; 828 csa.callback_arg = NULL; 829 xpt_action((union ccb *)&csa); 830 status = csa.ccb_h.status; 831 xpt_free_path(path); 832 } 833 834 if (status != CAM_REQ_CMP) { 835 printf("da: Failed to attach master async callback " 836 "due to status 0x%x!\n", status); 837 } else { 838 839 /* 840 * Schedule a periodic event to occasionally send an 841 * ordered tag to a device. 842 */ 843 timeout(dasendorderedtag, NULL, 844 (DA_DEFAULT_TIMEOUT * hz) / DA_ORDEREDTAG_INTERVAL); 845 846 /* Register our shutdown event handler */ 847 if ((EVENTHANDLER_REGISTER(shutdown_post_sync, dashutdown, 848 NULL, SHUTDOWN_PRI_DEFAULT)) == NULL) 849 printf("dainit: shutdown event registration failed!\n"); 850 } 851 } 852 853 static void 854 daoninvalidate(struct cam_periph *periph) 855 { 856 int s; 857 struct da_softc *softc; 858 struct ccb_setasync csa; 859 860 softc = (struct da_softc *)periph->softc; 861 862 /* 863 * De-register any async callbacks. 864 */ 865 xpt_setup_ccb(&csa.ccb_h, periph->path, 866 /* priority */ 5); 867 csa.ccb_h.func_code = XPT_SASYNC_CB; 868 csa.event_enable = 0; 869 csa.callback = daasync; 870 csa.callback_arg = periph; 871 xpt_action((union ccb *)&csa); 872 873 softc->flags |= DA_FLAG_PACK_INVALID; 874 875 /* 876 * Although the oninvalidate() routines are always called at 877 * splsoftcam, we need to be at splbio() here to keep the buffer 878 * queue from being modified while we traverse it. 879 */ 880 s = splbio(); 881 882 /* 883 * Return all queued I/O with ENXIO. 884 * XXX Handle any transactions queued to the card 885 * with XPT_ABORT_CCB. 886 */ 887 bioq_flush(&softc->bio_queue, NULL, ENXIO); 888 splx(s); 889 890 SLIST_REMOVE(&softc_list, softc, da_softc, links); 891 892 disk_gone(softc->disk); 893 xpt_print_path(periph->path); 894 printf("lost device\n"); 895 } 896 897 static void 898 dacleanup(struct cam_periph *periph) 899 { 900 struct da_softc *softc; 901 902 softc = (struct da_softc *)periph->softc; 903 904 xpt_print_path(periph->path); 905 printf("removing device entry\n"); 906 /* 907 * If we can't free the sysctl tree, oh well... 908 */ 909 if ((softc->flags & DA_FLAG_SCTX_INIT) != 0 910 && sysctl_ctx_free(&softc->sysctl_ctx) != 0) { 911 xpt_print_path(periph->path); 912 printf("can't remove sysctl context\n"); 913 } 914 disk_destroy(softc->disk); 915 free(softc, M_DEVBUF); 916 } 917 918 static void 919 daasync(void *callback_arg, u_int32_t code, 920 struct cam_path *path, void *arg) 921 { 922 struct cam_periph *periph; 923 924 periph = (struct cam_periph *)callback_arg; 925 switch (code) { 926 case AC_FOUND_DEVICE: 927 { 928 struct ccb_getdev *cgd; 929 cam_status status; 930 931 cgd = (struct ccb_getdev *)arg; 932 if (cgd == NULL) 933 break; 934 935 if (SID_TYPE(&cgd->inq_data) != T_DIRECT 936 && SID_TYPE(&cgd->inq_data) != T_RBC 937 && SID_TYPE(&cgd->inq_data) != T_OPTICAL) 938 break; 939 940 /* 941 * Allocate a peripheral instance for 942 * this device and start the probe 943 * process. 944 */ 945 status = cam_periph_alloc(daregister, daoninvalidate, 946 dacleanup, dastart, 947 "da", CAM_PERIPH_BIO, 948 cgd->ccb_h.path, daasync, 949 AC_FOUND_DEVICE, cgd); 950 951 if (status != CAM_REQ_CMP 952 && status != CAM_REQ_INPROG) 953 printf("daasync: Unable to attach to new device " 954 "due to status 0x%x\n", status); 955 break; 956 } 957 case AC_SENT_BDR: 958 case AC_BUS_RESET: 959 { 960 struct da_softc *softc; 961 struct ccb_hdr *ccbh; 962 int s; 963 964 softc = (struct da_softc *)periph->softc; 965 s = splsoftcam(); 966 /* 967 * Don't fail on the expected unit attention 968 * that will occur. 969 */ 970 softc->flags |= DA_FLAG_RETRY_UA; 971 LIST_FOREACH(ccbh, &softc->pending_ccbs, periph_links.le) 972 ccbh->ccb_state |= DA_CCB_RETRY_UA; 973 splx(s); 974 /* FALLTHROUGH*/ 975 } 976 default: 977 cam_periph_async(periph, code, path, arg); 978 break; 979 } 980 } 981 982 static void 983 dasysctlinit(void *context, int pending) 984 { 985 struct cam_periph *periph; 986 struct da_softc *softc; 987 char tmpstr[80], tmpstr2[80]; 988 989 periph = (struct cam_periph *)context; 990 softc = (struct da_softc *)periph->softc; 991 992 snprintf(tmpstr, sizeof(tmpstr), "CAM DA unit %d", periph->unit_number); 993 snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number); 994 995 mtx_lock(&Giant); 996 sysctl_ctx_init(&softc->sysctl_ctx); 997 softc->flags |= DA_FLAG_SCTX_INIT; 998 softc->sysctl_tree = SYSCTL_ADD_NODE(&softc->sysctl_ctx, 999 SYSCTL_STATIC_CHILDREN(_kern_cam_da), OID_AUTO, tmpstr2, 1000 CTLFLAG_RD, 0, tmpstr); 1001 if (softc->sysctl_tree == NULL) { 1002 printf("dasysctlinit: unable to allocate sysctl tree\n"); 1003 return; 1004 } 1005 1006 /* 1007 * Now register the sysctl handler, so the user can the value on 1008 * the fly. 1009 */ 1010 SYSCTL_ADD_PROC(&softc->sysctl_ctx,SYSCTL_CHILDREN(softc->sysctl_tree), 1011 OID_AUTO, "minimum_cmd_size", CTLTYPE_INT | CTLFLAG_RW, 1012 &softc->minimum_cmd_size, 0, dacmdsizesysctl, "I", 1013 "Minimum CDB size"); 1014 1015 mtx_unlock(&Giant); 1016 } 1017 1018 static int 1019 dacmdsizesysctl(SYSCTL_HANDLER_ARGS) 1020 { 1021 int error, value; 1022 1023 value = *(int *)arg1; 1024 1025 error = sysctl_handle_int(oidp, &value, 0, req); 1026 1027 if ((error != 0) 1028 || (req->newptr == NULL)) 1029 return (error); 1030 1031 /* 1032 * Acceptable values here are 6, 10, 12 or 16. 1033 */ 1034 if (value < 6) 1035 value = 6; 1036 else if ((value > 6) 1037 && (value <= 10)) 1038 value = 10; 1039 else if ((value > 10) 1040 && (value <= 12)) 1041 value = 12; 1042 else if (value > 12) 1043 value = 16; 1044 1045 *(int *)arg1 = value; 1046 1047 return (0); 1048 } 1049 1050 static cam_status 1051 daregister(struct cam_periph *periph, void *arg) 1052 { 1053 int s; 1054 struct da_softc *softc; 1055 struct ccb_setasync csa; 1056 struct ccb_pathinq cpi; 1057 struct ccb_getdev *cgd; 1058 char tmpstr[80]; 1059 caddr_t match; 1060 1061 cgd = (struct ccb_getdev *)arg; 1062 if (periph == NULL) { 1063 printf("daregister: periph was NULL!!\n"); 1064 return(CAM_REQ_CMP_ERR); 1065 } 1066 1067 if (cgd == NULL) { 1068 printf("daregister: no getdev CCB, can't register device\n"); 1069 return(CAM_REQ_CMP_ERR); 1070 } 1071 1072 softc = (struct da_softc *)malloc(sizeof(*softc), M_DEVBUF, 1073 M_NOWAIT|M_ZERO); 1074 1075 if (softc == NULL) { 1076 printf("daregister: Unable to probe new device. " 1077 "Unable to allocate softc\n"); 1078 return(CAM_REQ_CMP_ERR); 1079 } 1080 1081 LIST_INIT(&softc->pending_ccbs); 1082 softc->state = DA_STATE_PROBE; 1083 bioq_init(&softc->bio_queue); 1084 if (SID_IS_REMOVABLE(&cgd->inq_data)) 1085 softc->flags |= DA_FLAG_PACK_REMOVABLE; 1086 if ((cgd->inq_data.flags & SID_CmdQue) != 0) 1087 softc->flags |= DA_FLAG_TAGGED_QUEUING; 1088 1089 periph->softc = softc; 1090 1091 /* 1092 * See if this device has any quirks. 1093 */ 1094 match = cam_quirkmatch((caddr_t)&cgd->inq_data, 1095 (caddr_t)da_quirk_table, 1096 sizeof(da_quirk_table)/sizeof(*da_quirk_table), 1097 sizeof(*da_quirk_table), scsi_inquiry_match); 1098 1099 if (match != NULL) 1100 softc->quirks = ((struct da_quirk_entry *)match)->quirks; 1101 else 1102 softc->quirks = DA_Q_NONE; 1103 1104 /* Check if the SIM does not want 6 byte commands */ 1105 xpt_setup_ccb(&cpi.ccb_h, periph->path, /*priority*/1); 1106 cpi.ccb_h.func_code = XPT_PATH_INQ; 1107 xpt_action((union ccb *)&cpi); 1108 if (cpi.ccb_h.status == CAM_REQ_CMP && (cpi.hba_misc & PIM_NO_6_BYTE)) 1109 softc->quirks |= DA_Q_NO_6_BYTE; 1110 1111 TASK_INIT(&softc->sysctl_task, 0, dasysctlinit, periph); 1112 1113 /* 1114 * RBC devices don't have to support READ(6), only READ(10). 1115 */ 1116 if (softc->quirks & DA_Q_NO_6_BYTE || SID_TYPE(&cgd->inq_data) == T_RBC) 1117 softc->minimum_cmd_size = 10; 1118 else 1119 softc->minimum_cmd_size = 6; 1120 1121 /* 1122 * Load the user's default, if any. 1123 */ 1124 snprintf(tmpstr, sizeof(tmpstr), "kern.cam.da.%d.minimum_cmd_size", 1125 periph->unit_number); 1126 TUNABLE_INT_FETCH(tmpstr, &softc->minimum_cmd_size); 1127 1128 /* 1129 * 6, 10, 12 and 16 are the currently permissible values. 1130 */ 1131 if (softc->minimum_cmd_size < 6) 1132 softc->minimum_cmd_size = 6; 1133 else if ((softc->minimum_cmd_size > 6) 1134 && (softc->minimum_cmd_size <= 10)) 1135 softc->minimum_cmd_size = 10; 1136 else if ((softc->minimum_cmd_size > 10) 1137 && (softc->minimum_cmd_size <= 12)) 1138 softc->minimum_cmd_size = 12; 1139 else if (softc->minimum_cmd_size > 12) 1140 softc->minimum_cmd_size = 16; 1141 1142 /* 1143 * Block our timeout handler while we 1144 * add this softc to the dev list. 1145 */ 1146 s = splsoftclock(); 1147 SLIST_INSERT_HEAD(&softc_list, softc, links); 1148 splx(s); 1149 1150 /* 1151 * Register this media as a disk 1152 */ 1153 1154 softc->disk = disk_alloc(); 1155 softc->disk->d_open = daopen; 1156 softc->disk->d_close = daclose; 1157 softc->disk->d_strategy = dastrategy; 1158 softc->disk->d_dump = dadump; 1159 softc->disk->d_name = "da"; 1160 softc->disk->d_drv1 = periph; 1161 softc->disk->d_maxsize = DFLTPHYS; /* XXX: probably not arbitrary */ 1162 softc->disk->d_unit = periph->unit_number; 1163 softc->disk->d_flags = DISKFLAG_NEEDSGIANT; 1164 disk_create(softc->disk, DISK_VERSION); 1165 1166 /* 1167 * Add async callbacks for bus reset and 1168 * bus device reset calls. I don't bother 1169 * checking if this fails as, in most cases, 1170 * the system will function just fine without 1171 * them and the only alternative would be to 1172 * not attach the device on failure. 1173 */ 1174 xpt_setup_ccb(&csa.ccb_h, periph->path, /*priority*/5); 1175 csa.ccb_h.func_code = XPT_SASYNC_CB; 1176 csa.event_enable = AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE; 1177 csa.callback = daasync; 1178 csa.callback_arg = periph; 1179 xpt_action((union ccb *)&csa); 1180 /* 1181 * Lock this peripheral until we are setup. 1182 * This first call can't block 1183 */ 1184 (void)cam_periph_lock(periph, PRIBIO); 1185 xpt_schedule(periph, /*priority*/5); 1186 1187 return(CAM_REQ_CMP); 1188 } 1189 1190 static void 1191 dastart(struct cam_periph *periph, union ccb *start_ccb) 1192 { 1193 struct da_softc *softc; 1194 1195 softc = (struct da_softc *)periph->softc; 1196 1197 1198 switch (softc->state) { 1199 case DA_STATE_NORMAL: 1200 { 1201 /* Pull a buffer from the queue and get going on it */ 1202 struct bio *bp; 1203 int s; 1204 1205 /* 1206 * See if there is a buf with work for us to do.. 1207 */ 1208 s = splbio(); 1209 bp = bioq_first(&softc->bio_queue); 1210 if (periph->immediate_priority <= periph->pinfo.priority) { 1211 CAM_DEBUG_PRINT(CAM_DEBUG_SUBTRACE, 1212 ("queuing for immediate ccb\n")); 1213 start_ccb->ccb_h.ccb_state = DA_CCB_WAITING; 1214 SLIST_INSERT_HEAD(&periph->ccb_list, &start_ccb->ccb_h, 1215 periph_links.sle); 1216 periph->immediate_priority = CAM_PRIORITY_NONE; 1217 splx(s); 1218 wakeup(&periph->ccb_list); 1219 } else if (bp == NULL) { 1220 splx(s); 1221 xpt_release_ccb(start_ccb); 1222 } else { 1223 int oldspl; 1224 u_int8_t tag_code; 1225 1226 bioq_remove(&softc->bio_queue, bp); 1227 1228 if ((softc->flags & DA_FLAG_NEED_OTAG) != 0) { 1229 softc->flags &= ~DA_FLAG_NEED_OTAG; 1230 softc->ordered_tag_count++; 1231 tag_code = MSG_ORDERED_Q_TAG; 1232 } else { 1233 tag_code = MSG_SIMPLE_Q_TAG; 1234 } 1235 scsi_read_write(&start_ccb->csio, 1236 /*retries*/da_retry_count, 1237 /*cbfcnp*/dadone, 1238 /*tag_action*/tag_code, 1239 /*read_op*/bp->bio_cmd == BIO_READ, 1240 /*byte2*/0, 1241 softc->minimum_cmd_size, 1242 /*lba*/bp->bio_pblkno, 1243 /*block_count*/bp->bio_bcount / 1244 softc->params.secsize, 1245 /*data_ptr*/ bp->bio_data, 1246 /*dxfer_len*/ bp->bio_bcount, 1247 /*sense_len*/SSD_FULL_SIZE, 1248 /*timeout*/da_default_timeout*1000); 1249 start_ccb->ccb_h.ccb_state = DA_CCB_BUFFER_IO; 1250 1251 /* 1252 * Block out any asyncronous callbacks 1253 * while we touch the pending ccb list. 1254 */ 1255 oldspl = splcam(); 1256 LIST_INSERT_HEAD(&softc->pending_ccbs, 1257 &start_ccb->ccb_h, periph_links.le); 1258 softc->outstanding_cmds++; 1259 splx(oldspl); 1260 1261 /* We expect a unit attention from this device */ 1262 if ((softc->flags & DA_FLAG_RETRY_UA) != 0) { 1263 start_ccb->ccb_h.ccb_state |= DA_CCB_RETRY_UA; 1264 softc->flags &= ~DA_FLAG_RETRY_UA; 1265 } 1266 1267 start_ccb->ccb_h.ccb_bp = bp; 1268 bp = bioq_first(&softc->bio_queue); 1269 splx(s); 1270 1271 xpt_action(start_ccb); 1272 } 1273 1274 if (bp != NULL) { 1275 /* Have more work to do, so ensure we stay scheduled */ 1276 xpt_schedule(periph, /* XXX priority */1); 1277 } 1278 break; 1279 } 1280 case DA_STATE_PROBE: 1281 { 1282 struct ccb_scsiio *csio; 1283 struct scsi_read_capacity_data *rcap; 1284 1285 rcap = (struct scsi_read_capacity_data *)malloc(sizeof(*rcap), 1286 M_TEMP, 1287 M_NOWAIT); 1288 if (rcap == NULL) { 1289 printf("dastart: Couldn't malloc read_capacity data\n"); 1290 /* da_free_periph??? */ 1291 break; 1292 } 1293 csio = &start_ccb->csio; 1294 scsi_read_capacity(csio, 1295 /*retries*/4, 1296 dadone, 1297 MSG_SIMPLE_Q_TAG, 1298 rcap, 1299 SSD_FULL_SIZE, 1300 /*timeout*/5000); 1301 start_ccb->ccb_h.ccb_bp = NULL; 1302 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE; 1303 xpt_action(start_ccb); 1304 break; 1305 } 1306 case DA_STATE_PROBE2: 1307 { 1308 struct ccb_scsiio *csio; 1309 struct scsi_read_capacity_data_long *rcaplong; 1310 1311 rcaplong = (struct scsi_read_capacity_data_long *) 1312 malloc(sizeof(*rcaplong), M_TEMP, M_NOWAIT); 1313 if (rcaplong == NULL) { 1314 printf("dastart: Couldn't malloc read_capacity data\n"); 1315 /* da_free_periph??? */ 1316 break; 1317 } 1318 csio = &start_ccb->csio; 1319 scsi_read_capacity_16(csio, 1320 /*retries*/ 4, 1321 /*cbfcnp*/ dadone, 1322 /*tag_action*/ MSG_SIMPLE_Q_TAG, 1323 /*lba*/ 0, 1324 /*reladr*/ 0, 1325 /*pmi*/ 0, 1326 rcaplong, 1327 /*sense_len*/ SSD_FULL_SIZE, 1328 /*timeout*/ 60000); 1329 start_ccb->ccb_h.ccb_bp = NULL; 1330 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE2; 1331 xpt_action(start_ccb); 1332 break; 1333 } 1334 } 1335 } 1336 1337 static int 1338 cmd6workaround(union ccb *ccb) 1339 { 1340 struct scsi_rw_6 cmd6; 1341 struct scsi_rw_10 *cmd10; 1342 struct da_softc *softc; 1343 u_int8_t *cdb; 1344 int frozen; 1345 1346 cdb = ccb->csio.cdb_io.cdb_bytes; 1347 1348 /* Translation only possible if CDB is an array and cmd is R/W6 */ 1349 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0 || 1350 (*cdb != READ_6 && *cdb != WRITE_6)) 1351 return 0; 1352 1353 xpt_print_path(ccb->ccb_h.path); 1354 printf("READ(6)/WRITE(6) not supported, " 1355 "increasing minimum_cmd_size to 10.\n"); 1356 softc = (struct da_softc *)xpt_path_periph(ccb->ccb_h.path)->softc; 1357 softc->minimum_cmd_size = 10; 1358 1359 bcopy(cdb, &cmd6, sizeof(struct scsi_rw_6)); 1360 cmd10 = (struct scsi_rw_10 *)cdb; 1361 cmd10->opcode = (cmd6.opcode == READ_6) ? READ_10 : WRITE_10; 1362 cmd10->byte2 = 0; 1363 scsi_ulto4b(scsi_3btoul(cmd6.addr), cmd10->addr); 1364 cmd10->reserved = 0; 1365 scsi_ulto2b(cmd6.length, cmd10->length); 1366 cmd10->control = cmd6.control; 1367 ccb->csio.cdb_len = sizeof(*cmd10); 1368 1369 /* Requeue request, unfreezing queue if necessary */ 1370 frozen = (ccb->ccb_h.status & CAM_DEV_QFRZN) != 0; 1371 ccb->ccb_h.status = CAM_REQUEUE_REQ; 1372 xpt_action(ccb); 1373 if (frozen) { 1374 cam_release_devq(ccb->ccb_h.path, 1375 /*relsim_flags*/0, 1376 /*reduction*/0, 1377 /*timeout*/0, 1378 /*getcount_only*/0); 1379 } 1380 return (ERESTART); 1381 } 1382 1383 static void 1384 dadone(struct cam_periph *periph, union ccb *done_ccb) 1385 { 1386 struct da_softc *softc; 1387 struct ccb_scsiio *csio; 1388 1389 softc = (struct da_softc *)periph->softc; 1390 csio = &done_ccb->csio; 1391 switch (csio->ccb_h.ccb_state & DA_CCB_TYPE_MASK) { 1392 case DA_CCB_BUFFER_IO: 1393 { 1394 struct bio *bp; 1395 int oldspl; 1396 1397 bp = (struct bio *)done_ccb->ccb_h.ccb_bp; 1398 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1399 int error; 1400 int s; 1401 int sf; 1402 1403 if ((csio->ccb_h.ccb_state & DA_CCB_RETRY_UA) != 0) 1404 sf = SF_RETRY_UA; 1405 else 1406 sf = 0; 1407 1408 error = daerror(done_ccb, CAM_RETRY_SELTO, sf); 1409 if (error == ERESTART) { 1410 /* 1411 * A retry was scheuled, so 1412 * just return. 1413 */ 1414 return; 1415 } 1416 if (error != 0) { 1417 1418 s = splbio(); 1419 1420 if (error == ENXIO) { 1421 /* 1422 * Catastrophic error. Mark our pack as 1423 * invalid. 1424 */ 1425 /* XXX See if this is really a media 1426 * change first. 1427 */ 1428 xpt_print_path(periph->path); 1429 printf("Invalidating pack\n"); 1430 softc->flags |= DA_FLAG_PACK_INVALID; 1431 } 1432 1433 /* 1434 * return all queued I/O with EIO, so that 1435 * the client can retry these I/Os in the 1436 * proper order should it attempt to recover. 1437 */ 1438 bioq_flush(&softc->bio_queue, NULL, EIO); 1439 splx(s); 1440 bp->bio_error = error; 1441 bp->bio_resid = bp->bio_bcount; 1442 bp->bio_flags |= BIO_ERROR; 1443 } else { 1444 bp->bio_resid = csio->resid; 1445 bp->bio_error = 0; 1446 if (bp->bio_resid != 0) 1447 bp->bio_flags |= BIO_ERROR; 1448 } 1449 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 1450 cam_release_devq(done_ccb->ccb_h.path, 1451 /*relsim_flags*/0, 1452 /*reduction*/0, 1453 /*timeout*/0, 1454 /*getcount_only*/0); 1455 } else { 1456 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 1457 panic("REQ_CMP with QFRZN"); 1458 bp->bio_resid = csio->resid; 1459 if (csio->resid > 0) 1460 bp->bio_flags |= BIO_ERROR; 1461 } 1462 1463 /* 1464 * Block out any asyncronous callbacks 1465 * while we touch the pending ccb list. 1466 */ 1467 oldspl = splcam(); 1468 LIST_REMOVE(&done_ccb->ccb_h, periph_links.le); 1469 softc->outstanding_cmds--; 1470 if (softc->outstanding_cmds == 0) 1471 softc->flags |= DA_FLAG_WENT_IDLE; 1472 splx(oldspl); 1473 1474 biodone(bp); 1475 break; 1476 } 1477 case DA_CCB_PROBE: 1478 case DA_CCB_PROBE2: 1479 { 1480 struct scsi_read_capacity_data *rdcap; 1481 struct scsi_read_capacity_data_long *rcaplong; 1482 char announce_buf[80]; 1483 1484 rdcap = NULL; 1485 rcaplong = NULL; 1486 if (softc->state == DA_STATE_PROBE) 1487 rdcap =(struct scsi_read_capacity_data *)csio->data_ptr; 1488 else 1489 rcaplong = (struct scsi_read_capacity_data_long *) 1490 csio->data_ptr; 1491 1492 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 1493 struct disk_params *dp; 1494 uint32_t block_size; 1495 uint64_t maxsector; 1496 1497 if (softc->state == DA_STATE_PROBE) { 1498 block_size = scsi_4btoul(rdcap->length); 1499 maxsector = scsi_4btoul(rdcap->addr); 1500 1501 /* 1502 * According to SBC-2, if the standard 10 1503 * byte READ CAPACITY command returns 2^32, 1504 * we should issue the 16 byte version of 1505 * the command, since the device in question 1506 * has more sectors than can be represented 1507 * with the short version of the command. 1508 */ 1509 if (maxsector == 0xffffffff) { 1510 softc->state = DA_STATE_PROBE2; 1511 free(rdcap, M_TEMP); 1512 xpt_release_ccb(done_ccb); 1513 xpt_schedule(periph, /*priority*/5); 1514 return; 1515 } 1516 } else { 1517 block_size = scsi_4btoul(rcaplong->length); 1518 maxsector = scsi_8btou64(rcaplong->addr); 1519 } 1520 dasetgeom(periph, block_size, maxsector); 1521 dp = &softc->params; 1522 snprintf(announce_buf, sizeof(announce_buf), 1523 "%juMB (%ju %u byte sectors: %dH %dS/T %dC)", 1524 (uintmax_t) (((uintmax_t)dp->secsize * 1525 dp->sectors) / (1024*1024)), 1526 (uintmax_t)dp->sectors, 1527 dp->secsize, dp->heads, dp->secs_per_track, 1528 dp->cylinders); 1529 } else { 1530 int error; 1531 1532 announce_buf[0] = '\0'; 1533 1534 /* 1535 * Retry any UNIT ATTENTION type errors. They 1536 * are expected at boot. 1537 */ 1538 error = daerror(done_ccb, CAM_RETRY_SELTO, 1539 SF_RETRY_UA|SF_NO_PRINT); 1540 if (error == ERESTART) { 1541 /* 1542 * A retry was scheuled, so 1543 * just return. 1544 */ 1545 return; 1546 } else if (error != 0) { 1547 struct scsi_sense_data *sense; 1548 int asc, ascq; 1549 int sense_key, error_code; 1550 int have_sense; 1551 cam_status status; 1552 struct ccb_getdev cgd; 1553 1554 /* Don't wedge this device's queue */ 1555 status = done_ccb->ccb_h.status; 1556 if ((status & CAM_DEV_QFRZN) != 0) 1557 cam_release_devq(done_ccb->ccb_h.path, 1558 /*relsim_flags*/0, 1559 /*reduction*/0, 1560 /*timeout*/0, 1561 /*getcount_only*/0); 1562 1563 1564 xpt_setup_ccb(&cgd.ccb_h, 1565 done_ccb->ccb_h.path, 1566 /* priority */ 1); 1567 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 1568 xpt_action((union ccb *)&cgd); 1569 1570 if (((csio->ccb_h.flags & CAM_SENSE_PHYS) != 0) 1571 || ((csio->ccb_h.flags & CAM_SENSE_PTR) != 0) 1572 || ((status & CAM_AUTOSNS_VALID) == 0)) 1573 have_sense = FALSE; 1574 else 1575 have_sense = TRUE; 1576 1577 if (have_sense) { 1578 sense = &csio->sense_data; 1579 scsi_extract_sense(sense, &error_code, 1580 &sense_key, 1581 &asc, &ascq); 1582 } 1583 /* 1584 * Attach to anything that claims to be a 1585 * direct access or optical disk device, 1586 * as long as it doesn't return a "Logical 1587 * unit not supported" (0x25) error. 1588 */ 1589 if ((have_sense) && (asc != 0x25) 1590 && (error_code == SSD_CURRENT_ERROR)) { 1591 const char *sense_key_desc; 1592 const char *asc_desc; 1593 1594 scsi_sense_desc(sense_key, asc, ascq, 1595 &cgd.inq_data, 1596 &sense_key_desc, 1597 &asc_desc); 1598 snprintf(announce_buf, 1599 sizeof(announce_buf), 1600 "Attempt to query device " 1601 "size failed: %s, %s", 1602 sense_key_desc, 1603 asc_desc); 1604 } else { 1605 if (have_sense) 1606 scsi_sense_print( 1607 &done_ccb->csio); 1608 else { 1609 xpt_print_path(periph->path); 1610 printf("got CAM status %#x\n", 1611 done_ccb->ccb_h.status); 1612 } 1613 1614 xpt_print_path(periph->path); 1615 printf("fatal error, failed" 1616 " to attach to device\n"); 1617 1618 /* 1619 * Free up resources. 1620 */ 1621 cam_periph_invalidate(periph); 1622 } 1623 } 1624 } 1625 free(csio->data_ptr, M_TEMP); 1626 if (announce_buf[0] != '\0') { 1627 xpt_announce_periph(periph, announce_buf); 1628 /* 1629 * Create our sysctl variables, now that we know 1630 * we have successfully attached. 1631 */ 1632 taskqueue_enqueue(taskqueue_thread,&softc->sysctl_task); 1633 } 1634 softc->state = DA_STATE_NORMAL; 1635 /* 1636 * Since our peripheral may be invalidated by an error 1637 * above or an external event, we must release our CCB 1638 * before releasing the probe lock on the peripheral. 1639 * The peripheral will only go away once the last lock 1640 * is removed, and we need it around for the CCB release 1641 * operation. 1642 */ 1643 xpt_release_ccb(done_ccb); 1644 cam_periph_unlock(periph); 1645 return; 1646 } 1647 case DA_CCB_WAITING: 1648 { 1649 /* Caller will release the CCB */ 1650 wakeup(&done_ccb->ccb_h.cbfcnp); 1651 return; 1652 } 1653 case DA_CCB_DUMP: 1654 /* No-op. We're polling */ 1655 return; 1656 default: 1657 break; 1658 } 1659 xpt_release_ccb(done_ccb); 1660 } 1661 1662 static int 1663 daerror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags) 1664 { 1665 struct da_softc *softc; 1666 struct cam_periph *periph; 1667 int error; 1668 1669 periph = xpt_path_periph(ccb->ccb_h.path); 1670 softc = (struct da_softc *)periph->softc; 1671 1672 /* 1673 * Automatically detect devices that do not support 1674 * READ(6)/WRITE(6) and upgrade to using 10 byte cdbs. 1675 */ 1676 error = 0; 1677 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INVALID) { 1678 error = cmd6workaround(ccb); 1679 } else if (((ccb->ccb_h.status & CAM_STATUS_MASK) == 1680 CAM_SCSI_STATUS_ERROR) 1681 && (ccb->ccb_h.status & CAM_AUTOSNS_VALID) 1682 && (ccb->csio.scsi_status == SCSI_STATUS_CHECK_COND) 1683 && ((ccb->ccb_h.flags & CAM_SENSE_PHYS) == 0) 1684 && ((ccb->ccb_h.flags & CAM_SENSE_PTR) == 0)) { 1685 int sense_key, error_code, asc, ascq; 1686 1687 scsi_extract_sense(&ccb->csio.sense_data, 1688 &error_code, &sense_key, &asc, &ascq); 1689 if (sense_key == SSD_KEY_ILLEGAL_REQUEST) 1690 error = cmd6workaround(ccb); 1691 } 1692 if (error == ERESTART) 1693 return (ERESTART); 1694 1695 /* 1696 * XXX 1697 * Until we have a better way of doing pack validation, 1698 * don't treat UAs as errors. 1699 */ 1700 sense_flags |= SF_RETRY_UA; 1701 return(cam_periph_error(ccb, cam_flags, sense_flags, 1702 &softc->saved_ccb)); 1703 } 1704 1705 static void 1706 daprevent(struct cam_periph *periph, int action) 1707 { 1708 struct da_softc *softc; 1709 union ccb *ccb; 1710 int error; 1711 1712 softc = (struct da_softc *)periph->softc; 1713 1714 if (((action == PR_ALLOW) 1715 && (softc->flags & DA_FLAG_PACK_LOCKED) == 0) 1716 || ((action == PR_PREVENT) 1717 && (softc->flags & DA_FLAG_PACK_LOCKED) != 0)) { 1718 return; 1719 } 1720 1721 ccb = cam_periph_getccb(periph, /*priority*/1); 1722 1723 scsi_prevent(&ccb->csio, 1724 /*retries*/1, 1725 /*cbcfp*/dadone, 1726 MSG_SIMPLE_Q_TAG, 1727 action, 1728 SSD_FULL_SIZE, 1729 5000); 1730 1731 error = cam_periph_runccb(ccb, /*error_routine*/NULL, CAM_RETRY_SELTO, 1732 SF_RETRY_UA, softc->disk->d_devstat); 1733 1734 if (error == 0) { 1735 if (action == PR_ALLOW) 1736 softc->flags &= ~DA_FLAG_PACK_LOCKED; 1737 else 1738 softc->flags |= DA_FLAG_PACK_LOCKED; 1739 } 1740 1741 xpt_release_ccb(ccb); 1742 } 1743 1744 static int 1745 dagetcapacity(struct cam_periph *periph) 1746 { 1747 struct da_softc *softc; 1748 union ccb *ccb; 1749 struct scsi_read_capacity_data *rcap; 1750 struct scsi_read_capacity_data_long *rcaplong; 1751 uint32_t block_len; 1752 uint64_t maxsector; 1753 int error; 1754 1755 softc = (struct da_softc *)periph->softc; 1756 block_len = 0; 1757 maxsector = 0; 1758 error = 0; 1759 1760 /* Do a read capacity */ 1761 rcap = (struct scsi_read_capacity_data *)malloc(sizeof(*rcaplong), 1762 M_TEMP, 1763 M_WAITOK); 1764 1765 ccb = cam_periph_getccb(periph, /*priority*/1); 1766 scsi_read_capacity(&ccb->csio, 1767 /*retries*/4, 1768 /*cbfncp*/dadone, 1769 MSG_SIMPLE_Q_TAG, 1770 rcap, 1771 SSD_FULL_SIZE, 1772 /*timeout*/60000); 1773 ccb->ccb_h.ccb_bp = NULL; 1774 1775 error = cam_periph_runccb(ccb, daerror, 1776 /*cam_flags*/CAM_RETRY_SELTO, 1777 /*sense_flags*/SF_RETRY_UA, 1778 softc->disk->d_devstat); 1779 1780 if ((ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 1781 cam_release_devq(ccb->ccb_h.path, 1782 /*relsim_flags*/0, 1783 /*reduction*/0, 1784 /*timeout*/0, 1785 /*getcount_only*/0); 1786 1787 if (error == 0) { 1788 block_len = scsi_4btoul(rcap->length); 1789 maxsector = scsi_4btoul(rcap->addr); 1790 1791 if (maxsector != 0xffffffff) 1792 goto done; 1793 } else 1794 goto done; 1795 1796 rcaplong = (struct scsi_read_capacity_data_long *)rcap; 1797 1798 scsi_read_capacity_16(&ccb->csio, 1799 /*retries*/ 4, 1800 /*cbfcnp*/ dadone, 1801 /*tag_action*/ MSG_SIMPLE_Q_TAG, 1802 /*lba*/ 0, 1803 /*reladr*/ 0, 1804 /*pmi*/ 0, 1805 rcaplong, 1806 /*sense_len*/ SSD_FULL_SIZE, 1807 /*timeout*/ 60000); 1808 ccb->ccb_h.ccb_bp = NULL; 1809 1810 error = cam_periph_runccb(ccb, daerror, 1811 /*cam_flags*/CAM_RETRY_SELTO, 1812 /*sense_flags*/SF_RETRY_UA, 1813 softc->disk->d_devstat); 1814 1815 if ((ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 1816 cam_release_devq(ccb->ccb_h.path, 1817 /*relsim_flags*/0, 1818 /*reduction*/0, 1819 /*timeout*/0, 1820 /*getcount_only*/0); 1821 1822 if (error == 0) { 1823 block_len = scsi_4btoul(rcaplong->length); 1824 maxsector = scsi_8btou64(rcaplong->addr); 1825 } 1826 1827 done: 1828 1829 if (error == 0) 1830 dasetgeom(periph, block_len, maxsector); 1831 1832 xpt_release_ccb(ccb); 1833 1834 free(rcap, M_TEMP); 1835 1836 return (error); 1837 } 1838 1839 static void 1840 dasetgeom(struct cam_periph *periph, uint32_t block_len, uint64_t maxsector) 1841 { 1842 struct ccb_calc_geometry ccg; 1843 struct da_softc *softc; 1844 struct disk_params *dp; 1845 1846 softc = (struct da_softc *)periph->softc; 1847 1848 dp = &softc->params; 1849 dp->secsize = block_len; 1850 dp->sectors = maxsector + 1; 1851 /* 1852 * Have the controller provide us with a geometry 1853 * for this disk. The only time the geometry 1854 * matters is when we boot and the controller 1855 * is the only one knowledgeable enough to come 1856 * up with something that will make this a bootable 1857 * device. 1858 */ 1859 xpt_setup_ccb(&ccg.ccb_h, periph->path, /*priority*/1); 1860 ccg.ccb_h.func_code = XPT_CALC_GEOMETRY; 1861 ccg.block_size = dp->secsize; 1862 ccg.volume_size = dp->sectors; 1863 ccg.heads = 0; 1864 ccg.secs_per_track = 0; 1865 ccg.cylinders = 0; 1866 xpt_action((union ccb*)&ccg); 1867 dp->heads = ccg.heads; 1868 dp->secs_per_track = ccg.secs_per_track; 1869 dp->cylinders = ccg.cylinders; 1870 } 1871 1872 static void 1873 dasendorderedtag(void *arg) 1874 { 1875 struct da_softc *softc; 1876 int s; 1877 1878 for (softc = SLIST_FIRST(&softc_list); 1879 softc != NULL; 1880 softc = SLIST_NEXT(softc, links)) { 1881 s = splsoftcam(); 1882 if ((softc->ordered_tag_count == 0) 1883 && ((softc->flags & DA_FLAG_WENT_IDLE) == 0)) { 1884 softc->flags |= DA_FLAG_NEED_OTAG; 1885 } 1886 if (softc->outstanding_cmds > 0) 1887 softc->flags &= ~DA_FLAG_WENT_IDLE; 1888 1889 softc->ordered_tag_count = 0; 1890 splx(s); 1891 } 1892 /* Queue us up again */ 1893 timeout(dasendorderedtag, NULL, 1894 (da_default_timeout * hz) / DA_ORDEREDTAG_INTERVAL); 1895 } 1896 1897 /* 1898 * Step through all DA peripheral drivers, and if the device is still open, 1899 * sync the disk cache to physical media. 1900 */ 1901 static void 1902 dashutdown(void * arg, int howto) 1903 { 1904 struct cam_periph *periph; 1905 struct da_softc *softc; 1906 1907 TAILQ_FOREACH(periph, &dadriver.units, unit_links) { 1908 union ccb ccb; 1909 softc = (struct da_softc *)periph->softc; 1910 1911 /* 1912 * We only sync the cache if the drive is still open, and 1913 * if the drive is capable of it.. 1914 */ 1915 if (((softc->flags & DA_FLAG_OPEN) == 0) 1916 || (softc->quirks & DA_Q_NO_SYNC_CACHE)) 1917 continue; 1918 1919 xpt_setup_ccb(&ccb.ccb_h, periph->path, /*priority*/1); 1920 1921 ccb.ccb_h.ccb_state = DA_CCB_DUMP; 1922 scsi_synchronize_cache(&ccb.csio, 1923 /*retries*/1, 1924 /*cbfcnp*/dadone, 1925 MSG_SIMPLE_Q_TAG, 1926 /*begin_lba*/0, /* whole disk */ 1927 /*lb_count*/0, 1928 SSD_FULL_SIZE, 1929 60 * 60 * 1000); 1930 1931 xpt_polled_action(&ccb); 1932 1933 if ((ccb.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1934 if (((ccb.ccb_h.status & CAM_STATUS_MASK) == 1935 CAM_SCSI_STATUS_ERROR) 1936 && (ccb.csio.scsi_status == SCSI_STATUS_CHECK_COND)){ 1937 int error_code, sense_key, asc, ascq; 1938 1939 scsi_extract_sense(&ccb.csio.sense_data, 1940 &error_code, &sense_key, 1941 &asc, &ascq); 1942 1943 if (sense_key != SSD_KEY_ILLEGAL_REQUEST) 1944 scsi_sense_print(&ccb.csio); 1945 } else { 1946 xpt_print_path(periph->path); 1947 printf("Synchronize cache failed, status " 1948 "== 0x%x, scsi status == 0x%x\n", 1949 ccb.ccb_h.status, ccb.csio.scsi_status); 1950 } 1951 } 1952 1953 if ((ccb.ccb_h.status & CAM_DEV_QFRZN) != 0) 1954 cam_release_devq(ccb.ccb_h.path, 1955 /*relsim_flags*/0, 1956 /*reduction*/0, 1957 /*timeout*/0, 1958 /*getcount_only*/0); 1959 1960 } 1961 } 1962 1963 #else /* !_KERNEL */ 1964 1965 /* 1966 * XXX This is only left out of the kernel build to silence warnings. If, 1967 * for some reason this function is used in the kernel, the ifdefs should 1968 * be moved so it is included both in the kernel and userland. 1969 */ 1970 void 1971 scsi_format_unit(struct ccb_scsiio *csio, u_int32_t retries, 1972 void (*cbfcnp)(struct cam_periph *, union ccb *), 1973 u_int8_t tag_action, u_int8_t byte2, u_int16_t ileave, 1974 u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len, 1975 u_int32_t timeout) 1976 { 1977 struct scsi_format_unit *scsi_cmd; 1978 1979 scsi_cmd = (struct scsi_format_unit *)&csio->cdb_io.cdb_bytes; 1980 scsi_cmd->opcode = FORMAT_UNIT; 1981 scsi_cmd->byte2 = byte2; 1982 scsi_ulto2b(ileave, scsi_cmd->interleave); 1983 1984 cam_fill_csio(csio, 1985 retries, 1986 cbfcnp, 1987 /*flags*/ (dxfer_len > 0) ? CAM_DIR_OUT : CAM_DIR_NONE, 1988 tag_action, 1989 data_ptr, 1990 dxfer_len, 1991 sense_len, 1992 sizeof(*scsi_cmd), 1993 timeout); 1994 } 1995 1996 #endif /* _KERNEL */ 1997