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 * PR: kern/94660 426 */ 427 {T_DIRECT, SIP_MEDIA_REMOVABLE, "TOSHIBA", "TransMemory", 428 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 429 }, 430 { 431 /* 432 * PNY USB Flash keys 433 * PR: usb/75578, usb/72344, usb/65436 434 */ 435 {T_DIRECT, SIP_MEDIA_REMOVABLE, "*" , "USB DISK*", 436 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 437 }, 438 { 439 /* 440 * Genesys 6-in-1 Card Reader 441 * PR: usb/94647 442 */ 443 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "STORAGE DEVICE*", 444 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 445 }, 446 }; 447 448 static disk_strategy_t dastrategy; 449 static dumper_t dadump; 450 static periph_init_t dainit; 451 static void daasync(void *callback_arg, u_int32_t code, 452 struct cam_path *path, void *arg); 453 static void dasysctlinit(void *context, int pending); 454 static int dacmdsizesysctl(SYSCTL_HANDLER_ARGS); 455 static periph_ctor_t daregister; 456 static periph_dtor_t dacleanup; 457 static periph_start_t dastart; 458 static periph_oninv_t daoninvalidate; 459 static void dadone(struct cam_periph *periph, 460 union ccb *done_ccb); 461 static int daerror(union ccb *ccb, u_int32_t cam_flags, 462 u_int32_t sense_flags); 463 static void daprevent(struct cam_periph *periph, int action); 464 static int dagetcapacity(struct cam_periph *periph); 465 static void dasetgeom(struct cam_periph *periph, uint32_t block_len, 466 uint64_t maxsector); 467 static timeout_t dasendorderedtag; 468 static void dashutdown(void *arg, int howto); 469 470 #ifndef DA_DEFAULT_TIMEOUT 471 #define DA_DEFAULT_TIMEOUT 60 /* Timeout in seconds */ 472 #endif 473 474 #ifndef DA_DEFAULT_RETRY 475 #define DA_DEFAULT_RETRY 4 476 #endif 477 478 static int da_retry_count = DA_DEFAULT_RETRY; 479 static int da_default_timeout = DA_DEFAULT_TIMEOUT; 480 481 SYSCTL_NODE(_kern_cam, OID_AUTO, da, CTLFLAG_RD, 0, 482 "CAM Direct Access Disk driver"); 483 SYSCTL_INT(_kern_cam_da, OID_AUTO, retry_count, CTLFLAG_RW, 484 &da_retry_count, 0, "Normal I/O retry count"); 485 TUNABLE_INT("kern.cam.da.retry_count", &da_retry_count); 486 SYSCTL_INT(_kern_cam_da, OID_AUTO, default_timeout, CTLFLAG_RW, 487 &da_default_timeout, 0, "Normal I/O timeout (in seconds)"); 488 TUNABLE_INT("kern.cam.da.default_timeout", &da_default_timeout); 489 490 /* 491 * DA_ORDEREDTAG_INTERVAL determines how often, relative 492 * to the default timeout, we check to see whether an ordered 493 * tagged transaction is appropriate to prevent simple tag 494 * starvation. Since we'd like to ensure that there is at least 495 * 1/2 of the timeout length left for a starved transaction to 496 * complete after we've sent an ordered tag, we must poll at least 497 * four times in every timeout period. This takes care of the worst 498 * case where a starved transaction starts during an interval that 499 * meets the requirement "don't send an ordered tag" test so it takes 500 * us two intervals to determine that a tag must be sent. 501 */ 502 #ifndef DA_ORDEREDTAG_INTERVAL 503 #define DA_ORDEREDTAG_INTERVAL 4 504 #endif 505 506 static struct periph_driver dadriver = 507 { 508 dainit, "da", 509 TAILQ_HEAD_INITIALIZER(dadriver.units), /* generation */ 0 510 }; 511 512 PERIPHDRIVER_DECLARE(da, dadriver); 513 514 static SLIST_HEAD(,da_softc) softc_list; 515 516 static int 517 daopen(struct disk *dp) 518 { 519 struct cam_periph *periph; 520 struct da_softc *softc; 521 int unit; 522 int error; 523 int s; 524 525 s = splsoftcam(); 526 periph = (struct cam_periph *)dp->d_drv1; 527 if (periph == NULL) { 528 splx(s); 529 return (ENXIO); 530 } 531 unit = periph->unit_number; 532 533 softc = (struct da_softc *)periph->softc; 534 535 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 536 ("daopen: disk=%s%d (unit %d)\n", dp->d_name, dp->d_unit, 537 unit)); 538 539 if ((error = cam_periph_lock(periph, PRIBIO|PCATCH)) != 0) 540 return (error); /* error code from tsleep */ 541 542 if (cam_periph_acquire(periph) != CAM_REQ_CMP) 543 return(ENXIO); 544 softc->flags |= DA_FLAG_OPEN; 545 546 if ((softc->flags & DA_FLAG_PACK_INVALID) != 0) { 547 /* Invalidate our pack information. */ 548 softc->flags &= ~DA_FLAG_PACK_INVALID; 549 } 550 splx(s); 551 552 error = dagetcapacity(periph); 553 554 if (error == 0) { 555 556 softc->disk->d_sectorsize = softc->params.secsize; 557 softc->disk->d_mediasize = softc->params.secsize * (off_t)softc->params.sectors; 558 /* XXX: these are not actually "firmware" values, so they may be wrong */ 559 softc->disk->d_fwsectors = softc->params.secs_per_track; 560 softc->disk->d_fwheads = softc->params.heads; 561 softc->disk->d_devstat->block_size = softc->params.secsize; 562 softc->disk->d_devstat->flags &= ~DEVSTAT_BS_UNAVAILABLE; 563 } 564 565 if (error == 0) { 566 if ((softc->flags & DA_FLAG_PACK_REMOVABLE) != 0 && 567 (softc->quirks & DA_Q_NO_PREVENT) == 0) 568 daprevent(periph, PR_PREVENT); 569 } else { 570 softc->flags &= ~DA_FLAG_OPEN; 571 cam_periph_release(periph); 572 } 573 cam_periph_unlock(periph); 574 return (error); 575 } 576 577 static int 578 daclose(struct disk *dp) 579 { 580 struct cam_periph *periph; 581 struct da_softc *softc; 582 int error; 583 584 periph = (struct cam_periph *)dp->d_drv1; 585 if (periph == NULL) 586 return (ENXIO); 587 588 softc = (struct da_softc *)periph->softc; 589 590 if ((error = cam_periph_lock(periph, PRIBIO)) != 0) { 591 return (error); /* error code from tsleep */ 592 } 593 594 if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) { 595 union ccb *ccb; 596 597 ccb = cam_periph_getccb(periph, /*priority*/1); 598 599 scsi_synchronize_cache(&ccb->csio, 600 /*retries*/1, 601 /*cbfcnp*/dadone, 602 MSG_SIMPLE_Q_TAG, 603 /*begin_lba*/0,/* Cover the whole disk */ 604 /*lb_count*/0, 605 SSD_FULL_SIZE, 606 5 * 60 * 1000); 607 608 cam_periph_runccb(ccb, /*error_routine*/NULL, /*cam_flags*/0, 609 /*sense_flags*/SF_RETRY_UA, 610 softc->disk->d_devstat); 611 612 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 613 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == 614 CAM_SCSI_STATUS_ERROR) { 615 int asc, ascq; 616 int sense_key, error_code; 617 618 scsi_extract_sense(&ccb->csio.sense_data, 619 &error_code, 620 &sense_key, 621 &asc, &ascq); 622 if (sense_key != SSD_KEY_ILLEGAL_REQUEST) 623 scsi_sense_print(&ccb->csio); 624 } else { 625 xpt_print_path(periph->path); 626 printf("Synchronize cache failed, status " 627 "== 0x%x, scsi status == 0x%x\n", 628 ccb->csio.ccb_h.status, 629 ccb->csio.scsi_status); 630 } 631 } 632 633 if ((ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 634 cam_release_devq(ccb->ccb_h.path, 635 /*relsim_flags*/0, 636 /*reduction*/0, 637 /*timeout*/0, 638 /*getcount_only*/0); 639 640 xpt_release_ccb(ccb); 641 642 } 643 644 if ((softc->flags & DA_FLAG_PACK_REMOVABLE) != 0) { 645 if ((softc->quirks & DA_Q_NO_PREVENT) == 0) 646 daprevent(periph, PR_ALLOW); 647 /* 648 * If we've got removeable media, mark the blocksize as 649 * unavailable, since it could change when new media is 650 * inserted. 651 */ 652 softc->disk->d_devstat->flags |= DEVSTAT_BS_UNAVAILABLE; 653 } 654 655 softc->flags &= ~DA_FLAG_OPEN; 656 cam_periph_unlock(periph); 657 cam_periph_release(periph); 658 return (0); 659 } 660 661 /* 662 * Actually translate the requested transfer into one the physical driver 663 * can understand. The transfer is described by a buf and will include 664 * only one physical transfer. 665 */ 666 static void 667 dastrategy(struct bio *bp) 668 { 669 struct cam_periph *periph; 670 struct da_softc *softc; 671 int s; 672 673 periph = (struct cam_periph *)bp->bio_disk->d_drv1; 674 if (periph == NULL) { 675 biofinish(bp, NULL, ENXIO); 676 return; 677 } 678 softc = (struct da_softc *)periph->softc; 679 #if 0 680 /* 681 * check it's not too big a transfer for our adapter 682 */ 683 scsi_minphys(bp,&sd_switch); 684 #endif 685 686 /* 687 * Mask interrupts so that the pack cannot be invalidated until 688 * after we are in the queue. Otherwise, we might not properly 689 * clean up one of the buffers. 690 */ 691 s = splbio(); 692 693 /* 694 * If the device has been made invalid, error out 695 */ 696 if ((softc->flags & DA_FLAG_PACK_INVALID)) { 697 splx(s); 698 biofinish(bp, NULL, ENXIO); 699 return; 700 } 701 702 /* 703 * Place it in the queue of disk activities for this disk 704 */ 705 bioq_disksort(&softc->bio_queue, bp); 706 707 splx(s); 708 709 /* 710 * Schedule ourselves for performing the work. 711 */ 712 xpt_schedule(periph, /* XXX priority */1); 713 714 return; 715 } 716 717 static int 718 dadump(void *arg, void *virtual, vm_offset_t physical, off_t offset, size_t length) 719 { 720 struct cam_periph *periph; 721 struct da_softc *softc; 722 u_int secsize; 723 struct ccb_scsiio csio; 724 struct disk *dp; 725 726 dp = arg; 727 periph = dp->d_drv1; 728 if (periph == NULL) 729 return (ENXIO); 730 softc = (struct da_softc *)periph->softc; 731 secsize = softc->params.secsize; 732 733 if ((softc->flags & DA_FLAG_PACK_INVALID) != 0) 734 return (ENXIO); 735 736 if (length > 0) { 737 xpt_setup_ccb(&csio.ccb_h, periph->path, /*priority*/1); 738 csio.ccb_h.ccb_state = DA_CCB_DUMP; 739 scsi_read_write(&csio, 740 /*retries*/1, 741 dadone, 742 MSG_ORDERED_Q_TAG, 743 /*read*/FALSE, 744 /*byte2*/0, 745 /*minimum_cmd_size*/ softc->minimum_cmd_size, 746 offset / secsize, 747 length / secsize, 748 /*data_ptr*/(u_int8_t *) virtual, 749 /*dxfer_len*/length, 750 /*sense_len*/SSD_FULL_SIZE, 751 DA_DEFAULT_TIMEOUT * 1000); 752 xpt_polled_action((union ccb *)&csio); 753 754 if ((csio.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 755 printf("Aborting dump due to I/O error.\n"); 756 if ((csio.ccb_h.status & CAM_STATUS_MASK) == 757 CAM_SCSI_STATUS_ERROR) 758 scsi_sense_print(&csio); 759 else 760 printf("status == 0x%x, scsi status == 0x%x\n", 761 csio.ccb_h.status, csio.scsi_status); 762 return(EIO); 763 } 764 return(0); 765 } 766 767 /* 768 * Sync the disk cache contents to the physical media. 769 */ 770 if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) { 771 772 xpt_setup_ccb(&csio.ccb_h, periph->path, /*priority*/1); 773 csio.ccb_h.ccb_state = DA_CCB_DUMP; 774 scsi_synchronize_cache(&csio, 775 /*retries*/1, 776 /*cbfcnp*/dadone, 777 MSG_SIMPLE_Q_TAG, 778 /*begin_lba*/0,/* Cover the whole disk */ 779 /*lb_count*/0, 780 SSD_FULL_SIZE, 781 5 * 60 * 1000); 782 xpt_polled_action((union ccb *)&csio); 783 784 if ((csio.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 785 if ((csio.ccb_h.status & CAM_STATUS_MASK) == 786 CAM_SCSI_STATUS_ERROR) { 787 int asc, ascq; 788 int sense_key, error_code; 789 790 scsi_extract_sense(&csio.sense_data, 791 &error_code, 792 &sense_key, 793 &asc, &ascq); 794 if (sense_key != SSD_KEY_ILLEGAL_REQUEST) 795 scsi_sense_print(&csio); 796 } else { 797 xpt_print_path(periph->path); 798 printf("Synchronize cache failed, status " 799 "== 0x%x, scsi status == 0x%x\n", 800 csio.ccb_h.status, csio.scsi_status); 801 } 802 } 803 } 804 return (0); 805 } 806 807 static void 808 dainit(void) 809 { 810 cam_status status; 811 struct cam_path *path; 812 813 SLIST_INIT(&softc_list); 814 815 /* 816 * Install a global async callback. This callback will 817 * receive async callbacks like "new device found". 818 */ 819 status = xpt_create_path(&path, /*periph*/NULL, CAM_XPT_PATH_ID, 820 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD); 821 822 if (status == CAM_REQ_CMP) { 823 struct ccb_setasync csa; 824 825 xpt_setup_ccb(&csa.ccb_h, path, /*priority*/5); 826 csa.ccb_h.func_code = XPT_SASYNC_CB; 827 csa.event_enable = AC_FOUND_DEVICE; 828 csa.callback = daasync; 829 csa.callback_arg = NULL; 830 xpt_action((union ccb *)&csa); 831 status = csa.ccb_h.status; 832 xpt_free_path(path); 833 } 834 835 if (status != CAM_REQ_CMP) { 836 printf("da: Failed to attach master async callback " 837 "due to status 0x%x!\n", status); 838 } else { 839 840 /* 841 * Schedule a periodic event to occasionally send an 842 * ordered tag to a device. 843 */ 844 timeout(dasendorderedtag, NULL, 845 (DA_DEFAULT_TIMEOUT * hz) / DA_ORDEREDTAG_INTERVAL); 846 847 /* Register our shutdown event handler */ 848 if ((EVENTHANDLER_REGISTER(shutdown_post_sync, dashutdown, 849 NULL, SHUTDOWN_PRI_DEFAULT)) == NULL) 850 printf("dainit: shutdown event registration failed!\n"); 851 } 852 } 853 854 static void 855 daoninvalidate(struct cam_periph *periph) 856 { 857 int s; 858 struct da_softc *softc; 859 struct ccb_setasync csa; 860 861 softc = (struct da_softc *)periph->softc; 862 863 /* 864 * De-register any async callbacks. 865 */ 866 xpt_setup_ccb(&csa.ccb_h, periph->path, 867 /* priority */ 5); 868 csa.ccb_h.func_code = XPT_SASYNC_CB; 869 csa.event_enable = 0; 870 csa.callback = daasync; 871 csa.callback_arg = periph; 872 xpt_action((union ccb *)&csa); 873 874 softc->flags |= DA_FLAG_PACK_INVALID; 875 876 /* 877 * Although the oninvalidate() routines are always called at 878 * splsoftcam, we need to be at splbio() here to keep the buffer 879 * queue from being modified while we traverse it. 880 */ 881 s = splbio(); 882 883 /* 884 * Return all queued I/O with ENXIO. 885 * XXX Handle any transactions queued to the card 886 * with XPT_ABORT_CCB. 887 */ 888 bioq_flush(&softc->bio_queue, NULL, ENXIO); 889 splx(s); 890 891 SLIST_REMOVE(&softc_list, softc, da_softc, links); 892 893 disk_gone(softc->disk); 894 xpt_print_path(periph->path); 895 printf("lost device\n"); 896 } 897 898 static void 899 dacleanup(struct cam_periph *periph) 900 { 901 struct da_softc *softc; 902 903 softc = (struct da_softc *)periph->softc; 904 905 xpt_print_path(periph->path); 906 printf("removing device entry\n"); 907 /* 908 * If we can't free the sysctl tree, oh well... 909 */ 910 if ((softc->flags & DA_FLAG_SCTX_INIT) != 0 911 && sysctl_ctx_free(&softc->sysctl_ctx) != 0) { 912 xpt_print_path(periph->path); 913 printf("can't remove sysctl context\n"); 914 } 915 disk_destroy(softc->disk); 916 free(softc, M_DEVBUF); 917 } 918 919 static void 920 daasync(void *callback_arg, u_int32_t code, 921 struct cam_path *path, void *arg) 922 { 923 struct cam_periph *periph; 924 925 periph = (struct cam_periph *)callback_arg; 926 switch (code) { 927 case AC_FOUND_DEVICE: 928 { 929 struct ccb_getdev *cgd; 930 cam_status status; 931 932 cgd = (struct ccb_getdev *)arg; 933 if (cgd == NULL) 934 break; 935 936 if (SID_TYPE(&cgd->inq_data) != T_DIRECT 937 && SID_TYPE(&cgd->inq_data) != T_RBC 938 && SID_TYPE(&cgd->inq_data) != T_OPTICAL) 939 break; 940 941 /* 942 * Allocate a peripheral instance for 943 * this device and start the probe 944 * process. 945 */ 946 status = cam_periph_alloc(daregister, daoninvalidate, 947 dacleanup, dastart, 948 "da", CAM_PERIPH_BIO, 949 cgd->ccb_h.path, daasync, 950 AC_FOUND_DEVICE, cgd); 951 952 if (status != CAM_REQ_CMP 953 && status != CAM_REQ_INPROG) 954 printf("daasync: Unable to attach to new device " 955 "due to status 0x%x\n", status); 956 break; 957 } 958 case AC_SENT_BDR: 959 case AC_BUS_RESET: 960 { 961 struct da_softc *softc; 962 struct ccb_hdr *ccbh; 963 int s; 964 965 softc = (struct da_softc *)periph->softc; 966 s = splsoftcam(); 967 /* 968 * Don't fail on the expected unit attention 969 * that will occur. 970 */ 971 softc->flags |= DA_FLAG_RETRY_UA; 972 LIST_FOREACH(ccbh, &softc->pending_ccbs, periph_links.le) 973 ccbh->ccb_state |= DA_CCB_RETRY_UA; 974 splx(s); 975 /* FALLTHROUGH*/ 976 } 977 default: 978 cam_periph_async(periph, code, path, arg); 979 break; 980 } 981 } 982 983 static void 984 dasysctlinit(void *context, int pending) 985 { 986 struct cam_periph *periph; 987 struct da_softc *softc; 988 char tmpstr[80], tmpstr2[80]; 989 990 periph = (struct cam_periph *)context; 991 softc = (struct da_softc *)periph->softc; 992 993 snprintf(tmpstr, sizeof(tmpstr), "CAM DA unit %d", periph->unit_number); 994 snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number); 995 996 mtx_lock(&Giant); 997 sysctl_ctx_init(&softc->sysctl_ctx); 998 softc->flags |= DA_FLAG_SCTX_INIT; 999 softc->sysctl_tree = SYSCTL_ADD_NODE(&softc->sysctl_ctx, 1000 SYSCTL_STATIC_CHILDREN(_kern_cam_da), OID_AUTO, tmpstr2, 1001 CTLFLAG_RD, 0, tmpstr); 1002 if (softc->sysctl_tree == NULL) { 1003 printf("dasysctlinit: unable to allocate sysctl tree\n"); 1004 return; 1005 } 1006 1007 /* 1008 * Now register the sysctl handler, so the user can the value on 1009 * the fly. 1010 */ 1011 SYSCTL_ADD_PROC(&softc->sysctl_ctx,SYSCTL_CHILDREN(softc->sysctl_tree), 1012 OID_AUTO, "minimum_cmd_size", CTLTYPE_INT | CTLFLAG_RW, 1013 &softc->minimum_cmd_size, 0, dacmdsizesysctl, "I", 1014 "Minimum CDB size"); 1015 1016 mtx_unlock(&Giant); 1017 } 1018 1019 static int 1020 dacmdsizesysctl(SYSCTL_HANDLER_ARGS) 1021 { 1022 int error, value; 1023 1024 value = *(int *)arg1; 1025 1026 error = sysctl_handle_int(oidp, &value, 0, req); 1027 1028 if ((error != 0) 1029 || (req->newptr == NULL)) 1030 return (error); 1031 1032 /* 1033 * Acceptable values here are 6, 10, 12 or 16. 1034 */ 1035 if (value < 6) 1036 value = 6; 1037 else if ((value > 6) 1038 && (value <= 10)) 1039 value = 10; 1040 else if ((value > 10) 1041 && (value <= 12)) 1042 value = 12; 1043 else if (value > 12) 1044 value = 16; 1045 1046 *(int *)arg1 = value; 1047 1048 return (0); 1049 } 1050 1051 static cam_status 1052 daregister(struct cam_periph *periph, void *arg) 1053 { 1054 int s; 1055 struct da_softc *softc; 1056 struct ccb_setasync csa; 1057 struct ccb_pathinq cpi; 1058 struct ccb_getdev *cgd; 1059 char tmpstr[80]; 1060 caddr_t match; 1061 1062 cgd = (struct ccb_getdev *)arg; 1063 if (periph == NULL) { 1064 printf("daregister: periph was NULL!!\n"); 1065 return(CAM_REQ_CMP_ERR); 1066 } 1067 1068 if (cgd == NULL) { 1069 printf("daregister: no getdev CCB, can't register device\n"); 1070 return(CAM_REQ_CMP_ERR); 1071 } 1072 1073 softc = (struct da_softc *)malloc(sizeof(*softc), M_DEVBUF, 1074 M_NOWAIT|M_ZERO); 1075 1076 if (softc == NULL) { 1077 printf("daregister: Unable to probe new device. " 1078 "Unable to allocate softc\n"); 1079 return(CAM_REQ_CMP_ERR); 1080 } 1081 1082 LIST_INIT(&softc->pending_ccbs); 1083 softc->state = DA_STATE_PROBE; 1084 bioq_init(&softc->bio_queue); 1085 if (SID_IS_REMOVABLE(&cgd->inq_data)) 1086 softc->flags |= DA_FLAG_PACK_REMOVABLE; 1087 if ((cgd->inq_data.flags & SID_CmdQue) != 0) 1088 softc->flags |= DA_FLAG_TAGGED_QUEUING; 1089 1090 periph->softc = softc; 1091 1092 /* 1093 * See if this device has any quirks. 1094 */ 1095 match = cam_quirkmatch((caddr_t)&cgd->inq_data, 1096 (caddr_t)da_quirk_table, 1097 sizeof(da_quirk_table)/sizeof(*da_quirk_table), 1098 sizeof(*da_quirk_table), scsi_inquiry_match); 1099 1100 if (match != NULL) 1101 softc->quirks = ((struct da_quirk_entry *)match)->quirks; 1102 else 1103 softc->quirks = DA_Q_NONE; 1104 1105 /* Check if the SIM does not want 6 byte commands */ 1106 xpt_setup_ccb(&cpi.ccb_h, periph->path, /*priority*/1); 1107 cpi.ccb_h.func_code = XPT_PATH_INQ; 1108 xpt_action((union ccb *)&cpi); 1109 if (cpi.ccb_h.status == CAM_REQ_CMP && (cpi.hba_misc & PIM_NO_6_BYTE)) 1110 softc->quirks |= DA_Q_NO_6_BYTE; 1111 1112 TASK_INIT(&softc->sysctl_task, 0, dasysctlinit, periph); 1113 1114 /* 1115 * RBC devices don't have to support READ(6), only READ(10). 1116 */ 1117 if (softc->quirks & DA_Q_NO_6_BYTE || SID_TYPE(&cgd->inq_data) == T_RBC) 1118 softc->minimum_cmd_size = 10; 1119 else 1120 softc->minimum_cmd_size = 6; 1121 1122 /* 1123 * Load the user's default, if any. 1124 */ 1125 snprintf(tmpstr, sizeof(tmpstr), "kern.cam.da.%d.minimum_cmd_size", 1126 periph->unit_number); 1127 TUNABLE_INT_FETCH(tmpstr, &softc->minimum_cmd_size); 1128 1129 /* 1130 * 6, 10, 12 and 16 are the currently permissible values. 1131 */ 1132 if (softc->minimum_cmd_size < 6) 1133 softc->minimum_cmd_size = 6; 1134 else if ((softc->minimum_cmd_size > 6) 1135 && (softc->minimum_cmd_size <= 10)) 1136 softc->minimum_cmd_size = 10; 1137 else if ((softc->minimum_cmd_size > 10) 1138 && (softc->minimum_cmd_size <= 12)) 1139 softc->minimum_cmd_size = 12; 1140 else if (softc->minimum_cmd_size > 12) 1141 softc->minimum_cmd_size = 16; 1142 1143 /* 1144 * Block our timeout handler while we 1145 * add this softc to the dev list. 1146 */ 1147 s = splsoftclock(); 1148 SLIST_INSERT_HEAD(&softc_list, softc, links); 1149 splx(s); 1150 1151 /* 1152 * Register this media as a disk 1153 */ 1154 1155 softc->disk = disk_alloc(); 1156 softc->disk->d_open = daopen; 1157 softc->disk->d_close = daclose; 1158 softc->disk->d_strategy = dastrategy; 1159 softc->disk->d_dump = dadump; 1160 softc->disk->d_name = "da"; 1161 softc->disk->d_drv1 = periph; 1162 softc->disk->d_maxsize = DFLTPHYS; /* XXX: probably not arbitrary */ 1163 softc->disk->d_unit = periph->unit_number; 1164 softc->disk->d_flags = DISKFLAG_NEEDSGIANT; 1165 disk_create(softc->disk, DISK_VERSION); 1166 1167 /* 1168 * Add async callbacks for bus reset and 1169 * bus device reset calls. I don't bother 1170 * checking if this fails as, in most cases, 1171 * the system will function just fine without 1172 * them and the only alternative would be to 1173 * not attach the device on failure. 1174 */ 1175 xpt_setup_ccb(&csa.ccb_h, periph->path, /*priority*/5); 1176 csa.ccb_h.func_code = XPT_SASYNC_CB; 1177 csa.event_enable = AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE; 1178 csa.callback = daasync; 1179 csa.callback_arg = periph; 1180 xpt_action((union ccb *)&csa); 1181 /* 1182 * Lock this peripheral until we are setup. 1183 * This first call can't block 1184 */ 1185 (void)cam_periph_lock(periph, PRIBIO); 1186 xpt_schedule(periph, /*priority*/5); 1187 1188 return(CAM_REQ_CMP); 1189 } 1190 1191 static void 1192 dastart(struct cam_periph *periph, union ccb *start_ccb) 1193 { 1194 struct da_softc *softc; 1195 1196 softc = (struct da_softc *)periph->softc; 1197 1198 1199 switch (softc->state) { 1200 case DA_STATE_NORMAL: 1201 { 1202 /* Pull a buffer from the queue and get going on it */ 1203 struct bio *bp; 1204 int s; 1205 1206 /* 1207 * See if there is a buf with work for us to do.. 1208 */ 1209 s = splbio(); 1210 bp = bioq_first(&softc->bio_queue); 1211 if (periph->immediate_priority <= periph->pinfo.priority) { 1212 CAM_DEBUG_PRINT(CAM_DEBUG_SUBTRACE, 1213 ("queuing for immediate ccb\n")); 1214 start_ccb->ccb_h.ccb_state = DA_CCB_WAITING; 1215 SLIST_INSERT_HEAD(&periph->ccb_list, &start_ccb->ccb_h, 1216 periph_links.sle); 1217 periph->immediate_priority = CAM_PRIORITY_NONE; 1218 splx(s); 1219 wakeup(&periph->ccb_list); 1220 } else if (bp == NULL) { 1221 splx(s); 1222 xpt_release_ccb(start_ccb); 1223 } else { 1224 int oldspl; 1225 u_int8_t tag_code; 1226 1227 bioq_remove(&softc->bio_queue, bp); 1228 1229 if ((softc->flags & DA_FLAG_NEED_OTAG) != 0) { 1230 softc->flags &= ~DA_FLAG_NEED_OTAG; 1231 softc->ordered_tag_count++; 1232 tag_code = MSG_ORDERED_Q_TAG; 1233 } else { 1234 tag_code = MSG_SIMPLE_Q_TAG; 1235 } 1236 scsi_read_write(&start_ccb->csio, 1237 /*retries*/da_retry_count, 1238 /*cbfcnp*/dadone, 1239 /*tag_action*/tag_code, 1240 /*read_op*/bp->bio_cmd == BIO_READ, 1241 /*byte2*/0, 1242 softc->minimum_cmd_size, 1243 /*lba*/bp->bio_pblkno, 1244 /*block_count*/bp->bio_bcount / 1245 softc->params.secsize, 1246 /*data_ptr*/ bp->bio_data, 1247 /*dxfer_len*/ bp->bio_bcount, 1248 /*sense_len*/SSD_FULL_SIZE, 1249 /*timeout*/da_default_timeout*1000); 1250 start_ccb->ccb_h.ccb_state = DA_CCB_BUFFER_IO; 1251 1252 /* 1253 * Block out any asyncronous callbacks 1254 * while we touch the pending ccb list. 1255 */ 1256 oldspl = splcam(); 1257 LIST_INSERT_HEAD(&softc->pending_ccbs, 1258 &start_ccb->ccb_h, periph_links.le); 1259 softc->outstanding_cmds++; 1260 splx(oldspl); 1261 1262 /* We expect a unit attention from this device */ 1263 if ((softc->flags & DA_FLAG_RETRY_UA) != 0) { 1264 start_ccb->ccb_h.ccb_state |= DA_CCB_RETRY_UA; 1265 softc->flags &= ~DA_FLAG_RETRY_UA; 1266 } 1267 1268 start_ccb->ccb_h.ccb_bp = bp; 1269 bp = bioq_first(&softc->bio_queue); 1270 splx(s); 1271 1272 xpt_action(start_ccb); 1273 } 1274 1275 if (bp != NULL) { 1276 /* Have more work to do, so ensure we stay scheduled */ 1277 xpt_schedule(periph, /* XXX priority */1); 1278 } 1279 break; 1280 } 1281 case DA_STATE_PROBE: 1282 { 1283 struct ccb_scsiio *csio; 1284 struct scsi_read_capacity_data *rcap; 1285 1286 rcap = (struct scsi_read_capacity_data *)malloc(sizeof(*rcap), 1287 M_TEMP, 1288 M_NOWAIT); 1289 if (rcap == NULL) { 1290 printf("dastart: Couldn't malloc read_capacity data\n"); 1291 /* da_free_periph??? */ 1292 break; 1293 } 1294 csio = &start_ccb->csio; 1295 scsi_read_capacity(csio, 1296 /*retries*/4, 1297 dadone, 1298 MSG_SIMPLE_Q_TAG, 1299 rcap, 1300 SSD_FULL_SIZE, 1301 /*timeout*/5000); 1302 start_ccb->ccb_h.ccb_bp = NULL; 1303 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE; 1304 xpt_action(start_ccb); 1305 break; 1306 } 1307 case DA_STATE_PROBE2: 1308 { 1309 struct ccb_scsiio *csio; 1310 struct scsi_read_capacity_data_long *rcaplong; 1311 1312 rcaplong = (struct scsi_read_capacity_data_long *) 1313 malloc(sizeof(*rcaplong), M_TEMP, M_NOWAIT); 1314 if (rcaplong == NULL) { 1315 printf("dastart: Couldn't malloc read_capacity data\n"); 1316 /* da_free_periph??? */ 1317 break; 1318 } 1319 csio = &start_ccb->csio; 1320 scsi_read_capacity_16(csio, 1321 /*retries*/ 4, 1322 /*cbfcnp*/ dadone, 1323 /*tag_action*/ MSG_SIMPLE_Q_TAG, 1324 /*lba*/ 0, 1325 /*reladr*/ 0, 1326 /*pmi*/ 0, 1327 rcaplong, 1328 /*sense_len*/ SSD_FULL_SIZE, 1329 /*timeout*/ 60000); 1330 start_ccb->ccb_h.ccb_bp = NULL; 1331 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE2; 1332 xpt_action(start_ccb); 1333 break; 1334 } 1335 } 1336 } 1337 1338 static int 1339 cmd6workaround(union ccb *ccb) 1340 { 1341 struct scsi_rw_6 cmd6; 1342 struct scsi_rw_10 *cmd10; 1343 struct da_softc *softc; 1344 u_int8_t *cdb; 1345 int frozen; 1346 1347 cdb = ccb->csio.cdb_io.cdb_bytes; 1348 1349 /* Translation only possible if CDB is an array and cmd is R/W6 */ 1350 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0 || 1351 (*cdb != READ_6 && *cdb != WRITE_6)) 1352 return 0; 1353 1354 xpt_print_path(ccb->ccb_h.path); 1355 printf("READ(6)/WRITE(6) not supported, " 1356 "increasing minimum_cmd_size to 10.\n"); 1357 softc = (struct da_softc *)xpt_path_periph(ccb->ccb_h.path)->softc; 1358 softc->minimum_cmd_size = 10; 1359 1360 bcopy(cdb, &cmd6, sizeof(struct scsi_rw_6)); 1361 cmd10 = (struct scsi_rw_10 *)cdb; 1362 cmd10->opcode = (cmd6.opcode == READ_6) ? READ_10 : WRITE_10; 1363 cmd10->byte2 = 0; 1364 scsi_ulto4b(scsi_3btoul(cmd6.addr), cmd10->addr); 1365 cmd10->reserved = 0; 1366 scsi_ulto2b(cmd6.length, cmd10->length); 1367 cmd10->control = cmd6.control; 1368 ccb->csio.cdb_len = sizeof(*cmd10); 1369 1370 /* Requeue request, unfreezing queue if necessary */ 1371 frozen = (ccb->ccb_h.status & CAM_DEV_QFRZN) != 0; 1372 ccb->ccb_h.status = CAM_REQUEUE_REQ; 1373 xpt_action(ccb); 1374 if (frozen) { 1375 cam_release_devq(ccb->ccb_h.path, 1376 /*relsim_flags*/0, 1377 /*reduction*/0, 1378 /*timeout*/0, 1379 /*getcount_only*/0); 1380 } 1381 return (ERESTART); 1382 } 1383 1384 static void 1385 dadone(struct cam_periph *periph, union ccb *done_ccb) 1386 { 1387 struct da_softc *softc; 1388 struct ccb_scsiio *csio; 1389 1390 softc = (struct da_softc *)periph->softc; 1391 csio = &done_ccb->csio; 1392 switch (csio->ccb_h.ccb_state & DA_CCB_TYPE_MASK) { 1393 case DA_CCB_BUFFER_IO: 1394 { 1395 struct bio *bp; 1396 int oldspl; 1397 1398 bp = (struct bio *)done_ccb->ccb_h.ccb_bp; 1399 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1400 int error; 1401 int s; 1402 int sf; 1403 1404 if ((csio->ccb_h.ccb_state & DA_CCB_RETRY_UA) != 0) 1405 sf = SF_RETRY_UA; 1406 else 1407 sf = 0; 1408 1409 error = daerror(done_ccb, CAM_RETRY_SELTO, sf); 1410 if (error == ERESTART) { 1411 /* 1412 * A retry was scheuled, so 1413 * just return. 1414 */ 1415 return; 1416 } 1417 if (error != 0) { 1418 1419 s = splbio(); 1420 1421 if (error == ENXIO) { 1422 /* 1423 * Catastrophic error. Mark our pack as 1424 * invalid. 1425 */ 1426 /* XXX See if this is really a media 1427 * change first. 1428 */ 1429 xpt_print_path(periph->path); 1430 printf("Invalidating pack\n"); 1431 softc->flags |= DA_FLAG_PACK_INVALID; 1432 } 1433 1434 /* 1435 * return all queued I/O with EIO, so that 1436 * the client can retry these I/Os in the 1437 * proper order should it attempt to recover. 1438 */ 1439 bioq_flush(&softc->bio_queue, NULL, EIO); 1440 splx(s); 1441 bp->bio_error = error; 1442 bp->bio_resid = bp->bio_bcount; 1443 bp->bio_flags |= BIO_ERROR; 1444 } else { 1445 bp->bio_resid = csio->resid; 1446 bp->bio_error = 0; 1447 if (bp->bio_resid != 0) 1448 bp->bio_flags |= BIO_ERROR; 1449 } 1450 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 1451 cam_release_devq(done_ccb->ccb_h.path, 1452 /*relsim_flags*/0, 1453 /*reduction*/0, 1454 /*timeout*/0, 1455 /*getcount_only*/0); 1456 } else { 1457 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 1458 panic("REQ_CMP with QFRZN"); 1459 bp->bio_resid = csio->resid; 1460 if (csio->resid > 0) 1461 bp->bio_flags |= BIO_ERROR; 1462 } 1463 1464 /* 1465 * Block out any asyncronous callbacks 1466 * while we touch the pending ccb list. 1467 */ 1468 oldspl = splcam(); 1469 LIST_REMOVE(&done_ccb->ccb_h, periph_links.le); 1470 softc->outstanding_cmds--; 1471 if (softc->outstanding_cmds == 0) 1472 softc->flags |= DA_FLAG_WENT_IDLE; 1473 splx(oldspl); 1474 1475 biodone(bp); 1476 break; 1477 } 1478 case DA_CCB_PROBE: 1479 case DA_CCB_PROBE2: 1480 { 1481 struct scsi_read_capacity_data *rdcap; 1482 struct scsi_read_capacity_data_long *rcaplong; 1483 char announce_buf[80]; 1484 1485 rdcap = NULL; 1486 rcaplong = NULL; 1487 if (softc->state == DA_STATE_PROBE) 1488 rdcap =(struct scsi_read_capacity_data *)csio->data_ptr; 1489 else 1490 rcaplong = (struct scsi_read_capacity_data_long *) 1491 csio->data_ptr; 1492 1493 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 1494 struct disk_params *dp; 1495 uint32_t block_size; 1496 uint64_t maxsector; 1497 1498 if (softc->state == DA_STATE_PROBE) { 1499 block_size = scsi_4btoul(rdcap->length); 1500 maxsector = scsi_4btoul(rdcap->addr); 1501 1502 /* 1503 * According to SBC-2, if the standard 10 1504 * byte READ CAPACITY command returns 2^32, 1505 * we should issue the 16 byte version of 1506 * the command, since the device in question 1507 * has more sectors than can be represented 1508 * with the short version of the command. 1509 */ 1510 if (maxsector == 0xffffffff) { 1511 softc->state = DA_STATE_PROBE2; 1512 free(rdcap, M_TEMP); 1513 xpt_release_ccb(done_ccb); 1514 xpt_schedule(periph, /*priority*/5); 1515 return; 1516 } 1517 } else { 1518 block_size = scsi_4btoul(rcaplong->length); 1519 maxsector = scsi_8btou64(rcaplong->addr); 1520 } 1521 dasetgeom(periph, block_size, maxsector); 1522 dp = &softc->params; 1523 snprintf(announce_buf, sizeof(announce_buf), 1524 "%juMB (%ju %u byte sectors: %dH %dS/T %dC)", 1525 (uintmax_t) (((uintmax_t)dp->secsize * 1526 dp->sectors) / (1024*1024)), 1527 (uintmax_t)dp->sectors, 1528 dp->secsize, dp->heads, dp->secs_per_track, 1529 dp->cylinders); 1530 } else { 1531 int error; 1532 1533 announce_buf[0] = '\0'; 1534 1535 /* 1536 * Retry any UNIT ATTENTION type errors. They 1537 * are expected at boot. 1538 */ 1539 error = daerror(done_ccb, CAM_RETRY_SELTO, 1540 SF_RETRY_UA|SF_NO_PRINT); 1541 if (error == ERESTART) { 1542 /* 1543 * A retry was scheuled, so 1544 * just return. 1545 */ 1546 return; 1547 } else if (error != 0) { 1548 struct scsi_sense_data *sense; 1549 int asc, ascq; 1550 int sense_key, error_code; 1551 int have_sense; 1552 cam_status status; 1553 struct ccb_getdev cgd; 1554 1555 /* Don't wedge this device's queue */ 1556 status = done_ccb->ccb_h.status; 1557 if ((status & CAM_DEV_QFRZN) != 0) 1558 cam_release_devq(done_ccb->ccb_h.path, 1559 /*relsim_flags*/0, 1560 /*reduction*/0, 1561 /*timeout*/0, 1562 /*getcount_only*/0); 1563 1564 1565 xpt_setup_ccb(&cgd.ccb_h, 1566 done_ccb->ccb_h.path, 1567 /* priority */ 1); 1568 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 1569 xpt_action((union ccb *)&cgd); 1570 1571 if (((csio->ccb_h.flags & CAM_SENSE_PHYS) != 0) 1572 || ((csio->ccb_h.flags & CAM_SENSE_PTR) != 0) 1573 || ((status & CAM_AUTOSNS_VALID) == 0)) 1574 have_sense = FALSE; 1575 else 1576 have_sense = TRUE; 1577 1578 if (have_sense) { 1579 sense = &csio->sense_data; 1580 scsi_extract_sense(sense, &error_code, 1581 &sense_key, 1582 &asc, &ascq); 1583 } 1584 /* 1585 * Attach to anything that claims to be a 1586 * direct access or optical disk device, 1587 * as long as it doesn't return a "Logical 1588 * unit not supported" (0x25) error. 1589 */ 1590 if ((have_sense) && (asc != 0x25) 1591 && (error_code == SSD_CURRENT_ERROR)) { 1592 const char *sense_key_desc; 1593 const char *asc_desc; 1594 1595 scsi_sense_desc(sense_key, asc, ascq, 1596 &cgd.inq_data, 1597 &sense_key_desc, 1598 &asc_desc); 1599 snprintf(announce_buf, 1600 sizeof(announce_buf), 1601 "Attempt to query device " 1602 "size failed: %s, %s", 1603 sense_key_desc, 1604 asc_desc); 1605 } else { 1606 if (have_sense) 1607 scsi_sense_print( 1608 &done_ccb->csio); 1609 else { 1610 xpt_print_path(periph->path); 1611 printf("got CAM status %#x\n", 1612 done_ccb->ccb_h.status); 1613 } 1614 1615 xpt_print_path(periph->path); 1616 printf("fatal error, failed" 1617 " to attach to device\n"); 1618 1619 /* 1620 * Free up resources. 1621 */ 1622 cam_periph_invalidate(periph); 1623 } 1624 } 1625 } 1626 free(csio->data_ptr, M_TEMP); 1627 if (announce_buf[0] != '\0') { 1628 xpt_announce_periph(periph, announce_buf); 1629 /* 1630 * Create our sysctl variables, now that we know 1631 * we have successfully attached. 1632 */ 1633 taskqueue_enqueue(taskqueue_thread,&softc->sysctl_task); 1634 } 1635 softc->state = DA_STATE_NORMAL; 1636 /* 1637 * Since our peripheral may be invalidated by an error 1638 * above or an external event, we must release our CCB 1639 * before releasing the probe lock on the peripheral. 1640 * The peripheral will only go away once the last lock 1641 * is removed, and we need it around for the CCB release 1642 * operation. 1643 */ 1644 xpt_release_ccb(done_ccb); 1645 cam_periph_unlock(periph); 1646 return; 1647 } 1648 case DA_CCB_WAITING: 1649 { 1650 /* Caller will release the CCB */ 1651 wakeup(&done_ccb->ccb_h.cbfcnp); 1652 return; 1653 } 1654 case DA_CCB_DUMP: 1655 /* No-op. We're polling */ 1656 return; 1657 default: 1658 break; 1659 } 1660 xpt_release_ccb(done_ccb); 1661 } 1662 1663 static int 1664 daerror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags) 1665 { 1666 struct da_softc *softc; 1667 struct cam_periph *periph; 1668 int error; 1669 1670 periph = xpt_path_periph(ccb->ccb_h.path); 1671 softc = (struct da_softc *)periph->softc; 1672 1673 /* 1674 * Automatically detect devices that do not support 1675 * READ(6)/WRITE(6) and upgrade to using 10 byte cdbs. 1676 */ 1677 error = 0; 1678 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INVALID) { 1679 error = cmd6workaround(ccb); 1680 } else if (((ccb->ccb_h.status & CAM_STATUS_MASK) == 1681 CAM_SCSI_STATUS_ERROR) 1682 && (ccb->ccb_h.status & CAM_AUTOSNS_VALID) 1683 && (ccb->csio.scsi_status == SCSI_STATUS_CHECK_COND) 1684 && ((ccb->ccb_h.flags & CAM_SENSE_PHYS) == 0) 1685 && ((ccb->ccb_h.flags & CAM_SENSE_PTR) == 0)) { 1686 int sense_key, error_code, asc, ascq; 1687 1688 scsi_extract_sense(&ccb->csio.sense_data, 1689 &error_code, &sense_key, &asc, &ascq); 1690 if (sense_key == SSD_KEY_ILLEGAL_REQUEST) 1691 error = cmd6workaround(ccb); 1692 } 1693 if (error == ERESTART) 1694 return (ERESTART); 1695 1696 /* 1697 * XXX 1698 * Until we have a better way of doing pack validation, 1699 * don't treat UAs as errors. 1700 */ 1701 sense_flags |= SF_RETRY_UA; 1702 return(cam_periph_error(ccb, cam_flags, sense_flags, 1703 &softc->saved_ccb)); 1704 } 1705 1706 static void 1707 daprevent(struct cam_periph *periph, int action) 1708 { 1709 struct da_softc *softc; 1710 union ccb *ccb; 1711 int error; 1712 1713 softc = (struct da_softc *)periph->softc; 1714 1715 if (((action == PR_ALLOW) 1716 && (softc->flags & DA_FLAG_PACK_LOCKED) == 0) 1717 || ((action == PR_PREVENT) 1718 && (softc->flags & DA_FLAG_PACK_LOCKED) != 0)) { 1719 return; 1720 } 1721 1722 ccb = cam_periph_getccb(periph, /*priority*/1); 1723 1724 scsi_prevent(&ccb->csio, 1725 /*retries*/1, 1726 /*cbcfp*/dadone, 1727 MSG_SIMPLE_Q_TAG, 1728 action, 1729 SSD_FULL_SIZE, 1730 5000); 1731 1732 error = cam_periph_runccb(ccb, /*error_routine*/NULL, CAM_RETRY_SELTO, 1733 SF_RETRY_UA, softc->disk->d_devstat); 1734 1735 if (error == 0) { 1736 if (action == PR_ALLOW) 1737 softc->flags &= ~DA_FLAG_PACK_LOCKED; 1738 else 1739 softc->flags |= DA_FLAG_PACK_LOCKED; 1740 } 1741 1742 xpt_release_ccb(ccb); 1743 } 1744 1745 static int 1746 dagetcapacity(struct cam_periph *periph) 1747 { 1748 struct da_softc *softc; 1749 union ccb *ccb; 1750 struct scsi_read_capacity_data *rcap; 1751 struct scsi_read_capacity_data_long *rcaplong; 1752 uint32_t block_len; 1753 uint64_t maxsector; 1754 int error; 1755 1756 softc = (struct da_softc *)periph->softc; 1757 block_len = 0; 1758 maxsector = 0; 1759 error = 0; 1760 1761 /* Do a read capacity */ 1762 rcap = (struct scsi_read_capacity_data *)malloc(sizeof(*rcaplong), 1763 M_TEMP, 1764 M_WAITOK); 1765 1766 ccb = cam_periph_getccb(periph, /*priority*/1); 1767 scsi_read_capacity(&ccb->csio, 1768 /*retries*/4, 1769 /*cbfncp*/dadone, 1770 MSG_SIMPLE_Q_TAG, 1771 rcap, 1772 SSD_FULL_SIZE, 1773 /*timeout*/60000); 1774 ccb->ccb_h.ccb_bp = NULL; 1775 1776 error = cam_periph_runccb(ccb, daerror, 1777 /*cam_flags*/CAM_RETRY_SELTO, 1778 /*sense_flags*/SF_RETRY_UA, 1779 softc->disk->d_devstat); 1780 1781 if ((ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 1782 cam_release_devq(ccb->ccb_h.path, 1783 /*relsim_flags*/0, 1784 /*reduction*/0, 1785 /*timeout*/0, 1786 /*getcount_only*/0); 1787 1788 if (error == 0) { 1789 block_len = scsi_4btoul(rcap->length); 1790 maxsector = scsi_4btoul(rcap->addr); 1791 1792 if (maxsector != 0xffffffff) 1793 goto done; 1794 } else 1795 goto done; 1796 1797 rcaplong = (struct scsi_read_capacity_data_long *)rcap; 1798 1799 scsi_read_capacity_16(&ccb->csio, 1800 /*retries*/ 4, 1801 /*cbfcnp*/ dadone, 1802 /*tag_action*/ MSG_SIMPLE_Q_TAG, 1803 /*lba*/ 0, 1804 /*reladr*/ 0, 1805 /*pmi*/ 0, 1806 rcaplong, 1807 /*sense_len*/ SSD_FULL_SIZE, 1808 /*timeout*/ 60000); 1809 ccb->ccb_h.ccb_bp = NULL; 1810 1811 error = cam_periph_runccb(ccb, daerror, 1812 /*cam_flags*/CAM_RETRY_SELTO, 1813 /*sense_flags*/SF_RETRY_UA, 1814 softc->disk->d_devstat); 1815 1816 if ((ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 1817 cam_release_devq(ccb->ccb_h.path, 1818 /*relsim_flags*/0, 1819 /*reduction*/0, 1820 /*timeout*/0, 1821 /*getcount_only*/0); 1822 1823 if (error == 0) { 1824 block_len = scsi_4btoul(rcaplong->length); 1825 maxsector = scsi_8btou64(rcaplong->addr); 1826 } 1827 1828 done: 1829 1830 if (error == 0) 1831 dasetgeom(periph, block_len, maxsector); 1832 1833 xpt_release_ccb(ccb); 1834 1835 free(rcap, M_TEMP); 1836 1837 return (error); 1838 } 1839 1840 static void 1841 dasetgeom(struct cam_periph *periph, uint32_t block_len, uint64_t maxsector) 1842 { 1843 struct ccb_calc_geometry ccg; 1844 struct da_softc *softc; 1845 struct disk_params *dp; 1846 1847 softc = (struct da_softc *)periph->softc; 1848 1849 dp = &softc->params; 1850 dp->secsize = block_len; 1851 dp->sectors = maxsector + 1; 1852 /* 1853 * Have the controller provide us with a geometry 1854 * for this disk. The only time the geometry 1855 * matters is when we boot and the controller 1856 * is the only one knowledgeable enough to come 1857 * up with something that will make this a bootable 1858 * device. 1859 */ 1860 xpt_setup_ccb(&ccg.ccb_h, periph->path, /*priority*/1); 1861 ccg.ccb_h.func_code = XPT_CALC_GEOMETRY; 1862 ccg.block_size = dp->secsize; 1863 ccg.volume_size = dp->sectors; 1864 ccg.heads = 0; 1865 ccg.secs_per_track = 0; 1866 ccg.cylinders = 0; 1867 xpt_action((union ccb*)&ccg); 1868 if ((ccg.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1869 /* 1870 * We don't know what went wrong here- but just pick 1871 * a geometry so we don't have nasty things like divide 1872 * by zero. 1873 */ 1874 dp->heads = 255; 1875 dp->secs_per_track = 255; 1876 dp->cylinders = dp->sectors / (255 * 255); 1877 if (dp->cylinders == 0) { 1878 dp->cylinders = 1; 1879 } 1880 } else { 1881 dp->heads = ccg.heads; 1882 dp->secs_per_track = ccg.secs_per_track; 1883 dp->cylinders = ccg.cylinders; 1884 } 1885 } 1886 1887 static void 1888 dasendorderedtag(void *arg) 1889 { 1890 struct da_softc *softc; 1891 int s; 1892 1893 for (softc = SLIST_FIRST(&softc_list); 1894 softc != NULL; 1895 softc = SLIST_NEXT(softc, links)) { 1896 s = splsoftcam(); 1897 if ((softc->ordered_tag_count == 0) 1898 && ((softc->flags & DA_FLAG_WENT_IDLE) == 0)) { 1899 softc->flags |= DA_FLAG_NEED_OTAG; 1900 } 1901 if (softc->outstanding_cmds > 0) 1902 softc->flags &= ~DA_FLAG_WENT_IDLE; 1903 1904 softc->ordered_tag_count = 0; 1905 splx(s); 1906 } 1907 /* Queue us up again */ 1908 timeout(dasendorderedtag, NULL, 1909 (da_default_timeout * hz) / DA_ORDEREDTAG_INTERVAL); 1910 } 1911 1912 /* 1913 * Step through all DA peripheral drivers, and if the device is still open, 1914 * sync the disk cache to physical media. 1915 */ 1916 static void 1917 dashutdown(void * arg, int howto) 1918 { 1919 struct cam_periph *periph; 1920 struct da_softc *softc; 1921 1922 TAILQ_FOREACH(periph, &dadriver.units, unit_links) { 1923 union ccb ccb; 1924 softc = (struct da_softc *)periph->softc; 1925 1926 /* 1927 * We only sync the cache if the drive is still open, and 1928 * if the drive is capable of it.. 1929 */ 1930 if (((softc->flags & DA_FLAG_OPEN) == 0) 1931 || (softc->quirks & DA_Q_NO_SYNC_CACHE)) 1932 continue; 1933 1934 xpt_setup_ccb(&ccb.ccb_h, periph->path, /*priority*/1); 1935 1936 ccb.ccb_h.ccb_state = DA_CCB_DUMP; 1937 scsi_synchronize_cache(&ccb.csio, 1938 /*retries*/1, 1939 /*cbfcnp*/dadone, 1940 MSG_SIMPLE_Q_TAG, 1941 /*begin_lba*/0, /* whole disk */ 1942 /*lb_count*/0, 1943 SSD_FULL_SIZE, 1944 60 * 60 * 1000); 1945 1946 xpt_polled_action(&ccb); 1947 1948 if ((ccb.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1949 if (((ccb.ccb_h.status & CAM_STATUS_MASK) == 1950 CAM_SCSI_STATUS_ERROR) 1951 && (ccb.csio.scsi_status == SCSI_STATUS_CHECK_COND)){ 1952 int error_code, sense_key, asc, ascq; 1953 1954 scsi_extract_sense(&ccb.csio.sense_data, 1955 &error_code, &sense_key, 1956 &asc, &ascq); 1957 1958 if (sense_key != SSD_KEY_ILLEGAL_REQUEST) 1959 scsi_sense_print(&ccb.csio); 1960 } else { 1961 xpt_print_path(periph->path); 1962 printf("Synchronize cache failed, status " 1963 "== 0x%x, scsi status == 0x%x\n", 1964 ccb.ccb_h.status, ccb.csio.scsi_status); 1965 } 1966 } 1967 1968 if ((ccb.ccb_h.status & CAM_DEV_QFRZN) != 0) 1969 cam_release_devq(ccb.ccb_h.path, 1970 /*relsim_flags*/0, 1971 /*reduction*/0, 1972 /*timeout*/0, 1973 /*getcount_only*/0); 1974 1975 } 1976 } 1977 1978 #else /* !_KERNEL */ 1979 1980 /* 1981 * XXX This is only left out of the kernel build to silence warnings. If, 1982 * for some reason this function is used in the kernel, the ifdefs should 1983 * be moved so it is included both in the kernel and userland. 1984 */ 1985 void 1986 scsi_format_unit(struct ccb_scsiio *csio, u_int32_t retries, 1987 void (*cbfcnp)(struct cam_periph *, union ccb *), 1988 u_int8_t tag_action, u_int8_t byte2, u_int16_t ileave, 1989 u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len, 1990 u_int32_t timeout) 1991 { 1992 struct scsi_format_unit *scsi_cmd; 1993 1994 scsi_cmd = (struct scsi_format_unit *)&csio->cdb_io.cdb_bytes; 1995 scsi_cmd->opcode = FORMAT_UNIT; 1996 scsi_cmd->byte2 = byte2; 1997 scsi_ulto2b(ileave, scsi_cmd->interleave); 1998 1999 cam_fill_csio(csio, 2000 retries, 2001 cbfcnp, 2002 /*flags*/ (dxfer_len > 0) ? CAM_DIR_OUT : CAM_DIR_NONE, 2003 tag_action, 2004 data_ptr, 2005 dxfer_len, 2006 sense_len, 2007 sizeof(*scsi_cmd), 2008 timeout); 2009 } 2010 2011 #endif /* _KERNEL */ 2012