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 * This drive doesn't like the synchronize cache command 176 * either. Reported by: Matthew Jacob <mjacob@feral.com> 177 * in NetBSD PR kern/6027, August 24, 1998. 178 */ 179 {T_DIRECT, SIP_MEDIA_FIXED, microp, "2217*", "*"}, 180 /*quirks*/ DA_Q_NO_SYNC_CACHE 181 }, 182 { 183 /* 184 * This drive doesn't like the synchronize cache command 185 * either. Reported by: Hellmuth Michaelis (hm@kts.org) 186 * (PR 8882). 187 */ 188 {T_DIRECT, SIP_MEDIA_FIXED, microp, "2112*", "*"}, 189 /*quirks*/ DA_Q_NO_SYNC_CACHE 190 }, 191 { 192 /* 193 * Doesn't like the synchronize cache command. 194 * Reported by: Blaz Zupan <blaz@gold.amis.net> 195 */ 196 {T_DIRECT, SIP_MEDIA_FIXED, "NEC", "D3847*", "*"}, 197 /*quirks*/ DA_Q_NO_SYNC_CACHE 198 }, 199 { 200 /* 201 * Doesn't like the synchronize cache command. 202 * Reported by: Blaz Zupan <blaz@gold.amis.net> 203 */ 204 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "MAVERICK 540S", "*"}, 205 /*quirks*/ DA_Q_NO_SYNC_CACHE 206 }, 207 { 208 /* 209 * Doesn't like the synchronize cache command. 210 */ 211 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "LPS525S", "*"}, 212 /*quirks*/ DA_Q_NO_SYNC_CACHE 213 }, 214 { 215 /* 216 * Doesn't like the synchronize cache command. 217 * Reported by: walter@pelissero.de 218 */ 219 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "LPS540S", "*"}, 220 /*quirks*/ DA_Q_NO_SYNC_CACHE 221 }, 222 { 223 /* 224 * Doesn't work correctly with 6 byte reads/writes. 225 * Returns illegal request, and points to byte 9 of the 226 * 6-byte CDB. 227 * Reported by: Adam McDougall <bsdx@spawnet.com> 228 */ 229 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "VIKING 4*", "*"}, 230 /*quirks*/ DA_Q_NO_6_BYTE 231 }, 232 { 233 /* See above. */ 234 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "VIKING 2*", "*"}, 235 /*quirks*/ DA_Q_NO_6_BYTE 236 }, 237 { 238 /* 239 * Doesn't like the synchronize cache command. 240 * Reported by: walter@pelissero.de 241 */ 242 {T_DIRECT, SIP_MEDIA_FIXED, "CONNER", "CP3500*", "*"}, 243 /*quirks*/ DA_Q_NO_SYNC_CACHE 244 }, 245 { 246 /* 247 * The CISS RAID controllers do not support SYNC_CACHE 248 */ 249 {T_DIRECT, SIP_MEDIA_FIXED, "COMPAQ", "RAID*", "*"}, 250 /*quirks*/ DA_Q_NO_SYNC_CACHE 251 }, 252 /* USB mass storage devices supported by umass(4) */ 253 { 254 /* 255 * EXATELECOM (Sigmatel) i-Bead 100/105 USB Flash MP3 Player 256 * PR: kern/51675 257 */ 258 {T_DIRECT, SIP_MEDIA_REMOVABLE, "EXATEL", "i-BEAD10*", "*"}, 259 /*quirks*/ DA_Q_NO_SYNC_CACHE 260 }, 261 { 262 /* 263 * Power Quotient Int. (PQI) USB flash key 264 * PR: kern/53067 265 */ 266 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "USB Flash Disk*", 267 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 268 }, 269 { 270 /* 271 * Creative Nomad MUVO mp3 player (USB) 272 * PR: kern/53094 273 */ 274 {T_DIRECT, SIP_MEDIA_REMOVABLE, "CREATIVE", "NOMAD_MUVO", "*"}, 275 /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT 276 }, 277 { 278 /* 279 * Jungsoft NEXDISK USB flash key 280 * PR: kern/54737 281 */ 282 {T_DIRECT, SIP_MEDIA_REMOVABLE, "JUNGSOFT", "NEXDISK*", "*"}, 283 /*quirks*/ DA_Q_NO_SYNC_CACHE 284 }, 285 { 286 /* 287 * FreeDik USB Mini Data Drive 288 * PR: kern/54786 289 */ 290 {T_DIRECT, SIP_MEDIA_REMOVABLE, "FreeDik*", "Mini Data Drive", 291 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 292 }, 293 { 294 /* 295 * Sigmatel USB Flash MP3 Player 296 * PR: kern/57046 297 */ 298 {T_DIRECT, SIP_MEDIA_REMOVABLE, "SigmaTel", "MSCN", "*"}, 299 /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT 300 }, 301 { 302 /* 303 * Neuros USB Digital Audio Computer 304 * PR: kern/63645 305 */ 306 {T_DIRECT, SIP_MEDIA_REMOVABLE, "NEUROS", "dig. audio comp.", 307 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 308 }, 309 { 310 /* 311 * SEAGRAND NP-900 MP3 Player 312 * PR: kern/64563 313 */ 314 {T_DIRECT, SIP_MEDIA_REMOVABLE, "SEAGRAND", "NP-900*", "*"}, 315 /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT 316 }, 317 { 318 /* 319 * iRiver iFP MP3 player (with UMS Firmware) 320 * PR: kern/54881, i386/63941, kern/66124 321 */ 322 {T_DIRECT, SIP_MEDIA_REMOVABLE, "iRiver", "iFP*", "*"}, 323 /*quirks*/ DA_Q_NO_SYNC_CACHE 324 }, 325 { 326 /* 327 * Frontier Labs NEX IA+ Digital Audio Player, rev 1.10/0.01 328 * PR: kern/70158 329 */ 330 {T_DIRECT, SIP_MEDIA_REMOVABLE, "FL" , "Nex*", "*"}, 331 /*quirks*/ DA_Q_NO_SYNC_CACHE 332 }, 333 { 334 /* 335 * ZICPlay USB MP3 Player with FM 336 * PR: kern/75057 337 */ 338 {T_DIRECT, SIP_MEDIA_REMOVABLE, "ACTIONS*" , "USB DISK*", "*"}, 339 /*quirks*/ DA_Q_NO_SYNC_CACHE 340 }, 341 { 342 /* 343 * TEAC USB floppy mechanisms 344 */ 345 {T_DIRECT, SIP_MEDIA_REMOVABLE, "TEAC" , "FD-05*", "*"}, 346 /*quirks*/ DA_Q_NO_SYNC_CACHE 347 }, 348 { 349 /* 350 * Kingston DataTraveler II+ USB Pen-Drive. 351 * Reported by: Pawel Jakub Dawidek <pjd@FreeBSD.org> 352 */ 353 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Kingston" , "DataTraveler II+", 354 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 355 }, 356 { 357 /* 358 * Motorola E398 Mobile Phone (TransFlash memory card). 359 * Reported by: Wojciech A. Koszek <dunstan@FreeBSD.czest.pl> 360 * PR: usb/89889 361 */ 362 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Motorola" , "Motorola Phone", 363 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 364 }, 365 { 366 /* 367 * Qware BeatZkey! Pro 368 * PR: usb/79164 369 */ 370 {T_DIRECT, SIP_MEDIA_REMOVABLE, "GENERIC", "USB DISK DEVICE", 371 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 372 }, 373 { 374 /* 375 * Time DPA20B 1GB MP3 Player 376 * PR: usb/81846 377 */ 378 {T_DIRECT, SIP_MEDIA_REMOVABLE, "USB2.0*", "(FS) FLASH DISK*", 379 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 380 }, 381 { 382 /* 383 * Samsung USB key 128Mb 384 * PR: usb/90081 385 */ 386 {T_DIRECT, SIP_MEDIA_REMOVABLE, "USB-DISK", "FreeDik-FlashUsb", 387 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 388 }, 389 { 390 /* 391 * Kingston DataTraveler 2.0 USB Flash memory. 392 * PR: usb/89196 393 */ 394 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Kingston", "DataTraveler 2.0", 395 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 396 }, 397 { 398 /* 399 * Creative MUVO Slim mp3 player (USB) 400 * PR: usb/86131 401 */ 402 {T_DIRECT, SIP_MEDIA_REMOVABLE, "CREATIVE", "MuVo Slim", 403 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT 404 }, 405 { 406 /* 407 * United MP5512 Portable MP3 Player (2-in-1 USB DISK/MP3) 408 * PR: usb/80487 409 */ 410 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "MUSIC DISK", 411 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 412 }, 413 { 414 /* 415 * SanDisk Micro Cruzer 128MB 416 * PR: usb/75970 417 */ 418 {T_DIRECT, SIP_MEDIA_REMOVABLE, "SanDisk" , "Micro Cruzer", 419 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 420 }, 421 { 422 /* 423 * TOSHIBA TransMemory USB sticks 424 * PR: kern/94660 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 * PR: usb/94647 441 */ 442 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "STORAGE DEVICE*", 443 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 444 }, 445 { 446 /* 447 * Rekam Digital CAMERA 448 * PR: usb/98713 449 */ 450 {T_DIRECT, SIP_MEDIA_REMOVABLE, "CAMERA*", "4MP-9J6*", 451 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 452 }, 453 { 454 /* 455 * iRiver H10 MP3 player 456 * PR: usb/102547 457 */ 458 {T_DIRECT, SIP_MEDIA_REMOVABLE, "iriver", "H10*", 459 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 460 }, 461 { 462 /* 463 * X-Micro Flash Disk 464 * PR: usb/96901 465 */ 466 {T_DIRECT, SIP_MEDIA_REMOVABLE, "X-Micro", "Flash Disk", 467 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 468 }, 469 }; 470 471 static disk_strategy_t dastrategy; 472 static dumper_t dadump; 473 static periph_init_t dainit; 474 static void daasync(void *callback_arg, u_int32_t code, 475 struct cam_path *path, void *arg); 476 static void dasysctlinit(void *context, int pending); 477 static int dacmdsizesysctl(SYSCTL_HANDLER_ARGS); 478 static periph_ctor_t daregister; 479 static periph_dtor_t dacleanup; 480 static periph_start_t dastart; 481 static periph_oninv_t daoninvalidate; 482 static void dadone(struct cam_periph *periph, 483 union ccb *done_ccb); 484 static int daerror(union ccb *ccb, u_int32_t cam_flags, 485 u_int32_t sense_flags); 486 static void daprevent(struct cam_periph *periph, int action); 487 static int dagetcapacity(struct cam_periph *periph); 488 static void dasetgeom(struct cam_periph *periph, uint32_t block_len, 489 uint64_t maxsector); 490 static timeout_t dasendorderedtag; 491 static void dashutdown(void *arg, int howto); 492 493 #ifndef DA_DEFAULT_TIMEOUT 494 #define DA_DEFAULT_TIMEOUT 60 /* Timeout in seconds */ 495 #endif 496 497 #ifndef DA_DEFAULT_RETRY 498 #define DA_DEFAULT_RETRY 4 499 #endif 500 501 #ifndef DA_DEFAULT_SEND_ORDERED 502 #define DA_DEFAULT_SEND_ORDERED 1 503 #endif 504 505 506 static int da_retry_count = DA_DEFAULT_RETRY; 507 static int da_default_timeout = DA_DEFAULT_TIMEOUT; 508 static int da_send_ordered = DA_DEFAULT_SEND_ORDERED; 509 510 SYSCTL_NODE(_kern_cam, OID_AUTO, da, CTLFLAG_RD, 0, 511 "CAM Direct Access Disk driver"); 512 SYSCTL_INT(_kern_cam_da, OID_AUTO, retry_count, CTLFLAG_RW, 513 &da_retry_count, 0, "Normal I/O retry count"); 514 TUNABLE_INT("kern.cam.da.retry_count", &da_retry_count); 515 SYSCTL_INT(_kern_cam_da, OID_AUTO, default_timeout, CTLFLAG_RW, 516 &da_default_timeout, 0, "Normal I/O timeout (in seconds)"); 517 TUNABLE_INT("kern.cam.da.default_timeout", &da_default_timeout); 518 SYSCTL_INT(_kern_cam_da, OID_AUTO, da_send_ordered, CTLFLAG_RW, 519 &da_send_ordered, 0, "Send Ordered Tags"); 520 TUNABLE_INT("kern.cam.da.da_send_ordered", &da_send_ordered); 521 522 /* 523 * DA_ORDEREDTAG_INTERVAL determines how often, relative 524 * to the default timeout, we check to see whether an ordered 525 * tagged transaction is appropriate to prevent simple tag 526 * starvation. Since we'd like to ensure that there is at least 527 * 1/2 of the timeout length left for a starved transaction to 528 * complete after we've sent an ordered tag, we must poll at least 529 * four times in every timeout period. This takes care of the worst 530 * case where a starved transaction starts during an interval that 531 * meets the requirement "don't send an ordered tag" test so it takes 532 * us two intervals to determine that a tag must be sent. 533 */ 534 #ifndef DA_ORDEREDTAG_INTERVAL 535 #define DA_ORDEREDTAG_INTERVAL 4 536 #endif 537 538 static struct periph_driver dadriver = 539 { 540 dainit, "da", 541 TAILQ_HEAD_INITIALIZER(dadriver.units), /* generation */ 0 542 }; 543 544 PERIPHDRIVER_DECLARE(da, dadriver); 545 546 static SLIST_HEAD(,da_softc) softc_list; 547 548 static int 549 daopen(struct disk *dp) 550 { 551 struct cam_periph *periph; 552 struct da_softc *softc; 553 int unit; 554 int error; 555 int s; 556 557 s = splsoftcam(); 558 periph = (struct cam_periph *)dp->d_drv1; 559 if (periph == NULL) { 560 splx(s); 561 return (ENXIO); 562 } 563 unit = periph->unit_number; 564 565 softc = (struct da_softc *)periph->softc; 566 567 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 568 ("daopen: disk=%s%d (unit %d)\n", dp->d_name, dp->d_unit, 569 unit)); 570 571 if ((error = cam_periph_lock(periph, PRIBIO|PCATCH)) != 0) 572 return (error); /* error code from tsleep */ 573 574 if (cam_periph_acquire(periph) != CAM_REQ_CMP) 575 return(ENXIO); 576 softc->flags |= DA_FLAG_OPEN; 577 578 if ((softc->flags & DA_FLAG_PACK_INVALID) != 0) { 579 /* Invalidate our pack information. */ 580 softc->flags &= ~DA_FLAG_PACK_INVALID; 581 } 582 splx(s); 583 584 error = dagetcapacity(periph); 585 586 if (error == 0) { 587 588 softc->disk->d_sectorsize = softc->params.secsize; 589 softc->disk->d_mediasize = softc->params.secsize * (off_t)softc->params.sectors; 590 /* XXX: these are not actually "firmware" values, so they may be wrong */ 591 softc->disk->d_fwsectors = softc->params.secs_per_track; 592 softc->disk->d_fwheads = softc->params.heads; 593 softc->disk->d_devstat->block_size = softc->params.secsize; 594 softc->disk->d_devstat->flags &= ~DEVSTAT_BS_UNAVAILABLE; 595 } 596 597 if (error == 0) { 598 if ((softc->flags & DA_FLAG_PACK_REMOVABLE) != 0 && 599 (softc->quirks & DA_Q_NO_PREVENT) == 0) 600 daprevent(periph, PR_PREVENT); 601 } else { 602 softc->flags &= ~DA_FLAG_OPEN; 603 cam_periph_release(periph); 604 } 605 cam_periph_unlock(periph); 606 return (error); 607 } 608 609 static int 610 daclose(struct disk *dp) 611 { 612 struct cam_periph *periph; 613 struct da_softc *softc; 614 int error; 615 616 periph = (struct cam_periph *)dp->d_drv1; 617 if (periph == NULL) 618 return (ENXIO); 619 620 softc = (struct da_softc *)periph->softc; 621 622 if ((error = cam_periph_lock(periph, PRIBIO)) != 0) { 623 return (error); /* error code from tsleep */ 624 } 625 626 if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) { 627 union ccb *ccb; 628 629 ccb = cam_periph_getccb(periph, /*priority*/1); 630 631 scsi_synchronize_cache(&ccb->csio, 632 /*retries*/1, 633 /*cbfcnp*/dadone, 634 MSG_SIMPLE_Q_TAG, 635 /*begin_lba*/0,/* Cover the whole disk */ 636 /*lb_count*/0, 637 SSD_FULL_SIZE, 638 5 * 60 * 1000); 639 640 cam_periph_runccb(ccb, /*error_routine*/NULL, /*cam_flags*/0, 641 /*sense_flags*/SF_RETRY_UA, 642 softc->disk->d_devstat); 643 644 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 645 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == 646 CAM_SCSI_STATUS_ERROR) { 647 int asc, ascq; 648 int sense_key, error_code; 649 650 scsi_extract_sense(&ccb->csio.sense_data, 651 &error_code, 652 &sense_key, 653 &asc, &ascq); 654 if (sense_key != SSD_KEY_ILLEGAL_REQUEST) 655 scsi_sense_print(&ccb->csio); 656 } else { 657 xpt_print(periph->path, "Synchronize cache " 658 "failed, status == 0x%x, scsi status == " 659 "0x%x\n", ccb->csio.ccb_h.status, 660 ccb->csio.scsi_status); 661 } 662 } 663 664 if ((ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 665 cam_release_devq(ccb->ccb_h.path, 666 /*relsim_flags*/0, 667 /*reduction*/0, 668 /*timeout*/0, 669 /*getcount_only*/0); 670 671 xpt_release_ccb(ccb); 672 673 } 674 675 if ((softc->flags & DA_FLAG_PACK_REMOVABLE) != 0) { 676 if ((softc->quirks & DA_Q_NO_PREVENT) == 0) 677 daprevent(periph, PR_ALLOW); 678 /* 679 * If we've got removeable media, mark the blocksize as 680 * unavailable, since it could change when new media is 681 * inserted. 682 */ 683 softc->disk->d_devstat->flags |= DEVSTAT_BS_UNAVAILABLE; 684 } 685 686 softc->flags &= ~DA_FLAG_OPEN; 687 cam_periph_unlock(periph); 688 cam_periph_release(periph); 689 return (0); 690 } 691 692 /* 693 * Actually translate the requested transfer into one the physical driver 694 * can understand. The transfer is described by a buf and will include 695 * only one physical transfer. 696 */ 697 static void 698 dastrategy(struct bio *bp) 699 { 700 struct cam_periph *periph; 701 struct da_softc *softc; 702 int s; 703 704 periph = (struct cam_periph *)bp->bio_disk->d_drv1; 705 if (periph == NULL) { 706 biofinish(bp, NULL, ENXIO); 707 return; 708 } 709 softc = (struct da_softc *)periph->softc; 710 #if 0 711 /* 712 * check it's not too big a transfer for our adapter 713 */ 714 scsi_minphys(bp,&sd_switch); 715 #endif 716 717 /* 718 * Mask interrupts so that the pack cannot be invalidated until 719 * after we are in the queue. Otherwise, we might not properly 720 * clean up one of the buffers. 721 */ 722 s = splbio(); 723 724 /* 725 * If the device has been made invalid, error out 726 */ 727 if ((softc->flags & DA_FLAG_PACK_INVALID)) { 728 splx(s); 729 biofinish(bp, NULL, ENXIO); 730 return; 731 } 732 733 /* 734 * Place it in the queue of disk activities for this disk 735 */ 736 bioq_disksort(&softc->bio_queue, bp); 737 738 splx(s); 739 740 /* 741 * Schedule ourselves for performing the work. 742 */ 743 xpt_schedule(periph, /* XXX priority */1); 744 745 return; 746 } 747 748 static int 749 dadump(void *arg, void *virtual, vm_offset_t physical, off_t offset, size_t length) 750 { 751 struct cam_periph *periph; 752 struct da_softc *softc; 753 u_int secsize; 754 struct ccb_scsiio csio; 755 struct disk *dp; 756 757 dp = arg; 758 periph = dp->d_drv1; 759 if (periph == NULL) 760 return (ENXIO); 761 softc = (struct da_softc *)periph->softc; 762 secsize = softc->params.secsize; 763 764 if ((softc->flags & DA_FLAG_PACK_INVALID) != 0) 765 return (ENXIO); 766 767 if (length > 0) { 768 xpt_setup_ccb(&csio.ccb_h, periph->path, /*priority*/1); 769 csio.ccb_h.ccb_state = DA_CCB_DUMP; 770 scsi_read_write(&csio, 771 /*retries*/1, 772 dadone, 773 MSG_ORDERED_Q_TAG, 774 /*read*/FALSE, 775 /*byte2*/0, 776 /*minimum_cmd_size*/ softc->minimum_cmd_size, 777 offset / secsize, 778 length / secsize, 779 /*data_ptr*/(u_int8_t *) virtual, 780 /*dxfer_len*/length, 781 /*sense_len*/SSD_FULL_SIZE, 782 DA_DEFAULT_TIMEOUT * 1000); 783 xpt_polled_action((union ccb *)&csio); 784 785 if ((csio.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 786 printf("Aborting dump due to I/O error.\n"); 787 if ((csio.ccb_h.status & CAM_STATUS_MASK) == 788 CAM_SCSI_STATUS_ERROR) 789 scsi_sense_print(&csio); 790 else 791 printf("status == 0x%x, scsi status == 0x%x\n", 792 csio.ccb_h.status, csio.scsi_status); 793 return(EIO); 794 } 795 return(0); 796 } 797 798 /* 799 * Sync the disk cache contents to the physical media. 800 */ 801 if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) { 802 803 xpt_setup_ccb(&csio.ccb_h, periph->path, /*priority*/1); 804 csio.ccb_h.ccb_state = DA_CCB_DUMP; 805 scsi_synchronize_cache(&csio, 806 /*retries*/1, 807 /*cbfcnp*/dadone, 808 MSG_SIMPLE_Q_TAG, 809 /*begin_lba*/0,/* Cover the whole disk */ 810 /*lb_count*/0, 811 SSD_FULL_SIZE, 812 5 * 60 * 1000); 813 xpt_polled_action((union ccb *)&csio); 814 815 if ((csio.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 816 if ((csio.ccb_h.status & CAM_STATUS_MASK) == 817 CAM_SCSI_STATUS_ERROR) { 818 int asc, ascq; 819 int sense_key, error_code; 820 821 scsi_extract_sense(&csio.sense_data, 822 &error_code, 823 &sense_key, 824 &asc, &ascq); 825 if (sense_key != SSD_KEY_ILLEGAL_REQUEST) 826 scsi_sense_print(&csio); 827 } else { 828 xpt_print(periph->path, "Synchronize cache " 829 "failed, status == 0x%x, scsi status == " 830 "0x%x\n", csio.ccb_h.status, 831 csio.scsi_status); 832 } 833 } 834 } 835 return (0); 836 } 837 838 static void 839 dainit(void) 840 { 841 cam_status status; 842 struct cam_path *path; 843 844 SLIST_INIT(&softc_list); 845 846 /* 847 * Install a global async callback. This callback will 848 * receive async callbacks like "new device found". 849 */ 850 status = xpt_create_path(&path, /*periph*/NULL, CAM_XPT_PATH_ID, 851 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD); 852 853 if (status == CAM_REQ_CMP) { 854 struct ccb_setasync csa; 855 856 xpt_setup_ccb(&csa.ccb_h, path, /*priority*/5); 857 csa.ccb_h.func_code = XPT_SASYNC_CB; 858 csa.event_enable = AC_FOUND_DEVICE; 859 csa.callback = daasync; 860 csa.callback_arg = NULL; 861 xpt_action((union ccb *)&csa); 862 status = csa.ccb_h.status; 863 xpt_free_path(path); 864 } 865 866 if (status != CAM_REQ_CMP) { 867 printf("da: Failed to attach master async callback " 868 "due to status 0x%x!\n", status); 869 } else if (da_send_ordered) { 870 871 /* 872 * Schedule a periodic event to occasionally send an 873 * ordered tag to a device. 874 */ 875 timeout(dasendorderedtag, NULL, 876 (DA_DEFAULT_TIMEOUT * hz) / DA_ORDEREDTAG_INTERVAL); 877 878 /* Register our shutdown event handler */ 879 if ((EVENTHANDLER_REGISTER(shutdown_post_sync, dashutdown, 880 NULL, SHUTDOWN_PRI_DEFAULT)) == NULL) 881 printf("dainit: shutdown event registration failed!\n"); 882 } 883 } 884 885 static void 886 daoninvalidate(struct cam_periph *periph) 887 { 888 int s; 889 struct da_softc *softc; 890 struct ccb_setasync csa; 891 892 softc = (struct da_softc *)periph->softc; 893 894 /* 895 * De-register any async callbacks. 896 */ 897 xpt_setup_ccb(&csa.ccb_h, periph->path, 898 /* priority */ 5); 899 csa.ccb_h.func_code = XPT_SASYNC_CB; 900 csa.event_enable = 0; 901 csa.callback = daasync; 902 csa.callback_arg = periph; 903 xpt_action((union ccb *)&csa); 904 905 softc->flags |= DA_FLAG_PACK_INVALID; 906 907 /* 908 * Although the oninvalidate() routines are always called at 909 * splsoftcam, we need to be at splbio() here to keep the buffer 910 * queue from being modified while we traverse it. 911 */ 912 s = splbio(); 913 914 /* 915 * Return all queued I/O with ENXIO. 916 * XXX Handle any transactions queued to the card 917 * with XPT_ABORT_CCB. 918 */ 919 bioq_flush(&softc->bio_queue, NULL, ENXIO); 920 splx(s); 921 922 SLIST_REMOVE(&softc_list, softc, da_softc, links); 923 924 disk_gone(softc->disk); 925 xpt_print(periph->path, "lost device\n"); 926 } 927 928 static void 929 dacleanup(struct cam_periph *periph) 930 { 931 struct da_softc *softc; 932 933 softc = (struct da_softc *)periph->softc; 934 935 xpt_print(periph->path, "removing device entry\n"); 936 /* 937 * If we can't free the sysctl tree, oh well... 938 */ 939 if ((softc->flags & DA_FLAG_SCTX_INIT) != 0 940 && sysctl_ctx_free(&softc->sysctl_ctx) != 0) { 941 xpt_print(periph->path, "can't remove sysctl context\n"); 942 } 943 disk_destroy(softc->disk); 944 free(softc, M_DEVBUF); 945 } 946 947 static void 948 daasync(void *callback_arg, u_int32_t code, 949 struct cam_path *path, void *arg) 950 { 951 struct cam_periph *periph; 952 953 periph = (struct cam_periph *)callback_arg; 954 switch (code) { 955 case AC_FOUND_DEVICE: 956 { 957 struct ccb_getdev *cgd; 958 cam_status status; 959 960 cgd = (struct ccb_getdev *)arg; 961 if (cgd == NULL) 962 break; 963 964 if (SID_TYPE(&cgd->inq_data) != T_DIRECT 965 && SID_TYPE(&cgd->inq_data) != T_RBC 966 && SID_TYPE(&cgd->inq_data) != T_OPTICAL) 967 break; 968 969 /* 970 * Allocate a peripheral instance for 971 * this device and start the probe 972 * process. 973 */ 974 status = cam_periph_alloc(daregister, daoninvalidate, 975 dacleanup, dastart, 976 "da", CAM_PERIPH_BIO, 977 cgd->ccb_h.path, daasync, 978 AC_FOUND_DEVICE, cgd); 979 980 if (status != CAM_REQ_CMP 981 && status != CAM_REQ_INPROG) 982 printf("daasync: Unable to attach to new device " 983 "due to status 0x%x\n", status); 984 break; 985 } 986 case AC_SENT_BDR: 987 case AC_BUS_RESET: 988 { 989 struct da_softc *softc; 990 struct ccb_hdr *ccbh; 991 int s; 992 993 softc = (struct da_softc *)periph->softc; 994 s = splsoftcam(); 995 /* 996 * Don't fail on the expected unit attention 997 * that will occur. 998 */ 999 softc->flags |= DA_FLAG_RETRY_UA; 1000 LIST_FOREACH(ccbh, &softc->pending_ccbs, periph_links.le) 1001 ccbh->ccb_state |= DA_CCB_RETRY_UA; 1002 splx(s); 1003 /* FALLTHROUGH*/ 1004 } 1005 default: 1006 cam_periph_async(periph, code, path, arg); 1007 break; 1008 } 1009 } 1010 1011 static void 1012 dasysctlinit(void *context, int pending) 1013 { 1014 struct cam_periph *periph; 1015 struct da_softc *softc; 1016 char tmpstr[80], tmpstr2[80]; 1017 1018 periph = (struct cam_periph *)context; 1019 softc = (struct da_softc *)periph->softc; 1020 1021 snprintf(tmpstr, sizeof(tmpstr), "CAM DA unit %d", periph->unit_number); 1022 snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number); 1023 1024 mtx_lock(&Giant); 1025 sysctl_ctx_init(&softc->sysctl_ctx); 1026 softc->flags |= DA_FLAG_SCTX_INIT; 1027 softc->sysctl_tree = SYSCTL_ADD_NODE(&softc->sysctl_ctx, 1028 SYSCTL_STATIC_CHILDREN(_kern_cam_da), OID_AUTO, tmpstr2, 1029 CTLFLAG_RD, 0, tmpstr); 1030 if (softc->sysctl_tree == NULL) { 1031 printf("dasysctlinit: unable to allocate sysctl tree\n"); 1032 mtx_unlock(&Giant); 1033 return; 1034 } 1035 1036 /* 1037 * Now register the sysctl handler, so the user can the value on 1038 * the fly. 1039 */ 1040 SYSCTL_ADD_PROC(&softc->sysctl_ctx,SYSCTL_CHILDREN(softc->sysctl_tree), 1041 OID_AUTO, "minimum_cmd_size", CTLTYPE_INT | CTLFLAG_RW, 1042 &softc->minimum_cmd_size, 0, dacmdsizesysctl, "I", 1043 "Minimum CDB size"); 1044 1045 mtx_unlock(&Giant); 1046 } 1047 1048 static int 1049 dacmdsizesysctl(SYSCTL_HANDLER_ARGS) 1050 { 1051 int error, value; 1052 1053 value = *(int *)arg1; 1054 1055 error = sysctl_handle_int(oidp, &value, 0, req); 1056 1057 if ((error != 0) 1058 || (req->newptr == NULL)) 1059 return (error); 1060 1061 /* 1062 * Acceptable values here are 6, 10, 12 or 16. 1063 */ 1064 if (value < 6) 1065 value = 6; 1066 else if ((value > 6) 1067 && (value <= 10)) 1068 value = 10; 1069 else if ((value > 10) 1070 && (value <= 12)) 1071 value = 12; 1072 else if (value > 12) 1073 value = 16; 1074 1075 *(int *)arg1 = value; 1076 1077 return (0); 1078 } 1079 1080 static cam_status 1081 daregister(struct cam_periph *periph, void *arg) 1082 { 1083 int s; 1084 struct da_softc *softc; 1085 struct ccb_setasync csa; 1086 struct ccb_pathinq cpi; 1087 struct ccb_getdev *cgd; 1088 char tmpstr[80]; 1089 caddr_t match; 1090 1091 cgd = (struct ccb_getdev *)arg; 1092 if (periph == NULL) { 1093 printf("daregister: periph was NULL!!\n"); 1094 return(CAM_REQ_CMP_ERR); 1095 } 1096 1097 if (cgd == NULL) { 1098 printf("daregister: no getdev CCB, can't register device\n"); 1099 return(CAM_REQ_CMP_ERR); 1100 } 1101 1102 softc = (struct da_softc *)malloc(sizeof(*softc), M_DEVBUF, 1103 M_NOWAIT|M_ZERO); 1104 1105 if (softc == NULL) { 1106 printf("daregister: Unable to probe new device. " 1107 "Unable to allocate softc\n"); 1108 return(CAM_REQ_CMP_ERR); 1109 } 1110 1111 LIST_INIT(&softc->pending_ccbs); 1112 softc->state = DA_STATE_PROBE; 1113 bioq_init(&softc->bio_queue); 1114 if (SID_IS_REMOVABLE(&cgd->inq_data)) 1115 softc->flags |= DA_FLAG_PACK_REMOVABLE; 1116 if ((cgd->inq_data.flags & SID_CmdQue) != 0) 1117 softc->flags |= DA_FLAG_TAGGED_QUEUING; 1118 1119 periph->softc = softc; 1120 1121 /* 1122 * See if this device has any quirks. 1123 */ 1124 match = cam_quirkmatch((caddr_t)&cgd->inq_data, 1125 (caddr_t)da_quirk_table, 1126 sizeof(da_quirk_table)/sizeof(*da_quirk_table), 1127 sizeof(*da_quirk_table), scsi_inquiry_match); 1128 1129 if (match != NULL) 1130 softc->quirks = ((struct da_quirk_entry *)match)->quirks; 1131 else 1132 softc->quirks = DA_Q_NONE; 1133 1134 /* Check if the SIM does not want 6 byte commands */ 1135 xpt_setup_ccb(&cpi.ccb_h, periph->path, /*priority*/1); 1136 cpi.ccb_h.func_code = XPT_PATH_INQ; 1137 xpt_action((union ccb *)&cpi); 1138 if (cpi.ccb_h.status == CAM_REQ_CMP && (cpi.hba_misc & PIM_NO_6_BYTE)) 1139 softc->quirks |= DA_Q_NO_6_BYTE; 1140 1141 TASK_INIT(&softc->sysctl_task, 0, dasysctlinit, periph); 1142 1143 /* 1144 * RBC devices don't have to support READ(6), only READ(10). 1145 */ 1146 if (softc->quirks & DA_Q_NO_6_BYTE || SID_TYPE(&cgd->inq_data) == T_RBC) 1147 softc->minimum_cmd_size = 10; 1148 else 1149 softc->minimum_cmd_size = 6; 1150 1151 /* 1152 * Load the user's default, if any. 1153 */ 1154 snprintf(tmpstr, sizeof(tmpstr), "kern.cam.da.%d.minimum_cmd_size", 1155 periph->unit_number); 1156 TUNABLE_INT_FETCH(tmpstr, &softc->minimum_cmd_size); 1157 1158 /* 1159 * 6, 10, 12 and 16 are the currently permissible values. 1160 */ 1161 if (softc->minimum_cmd_size < 6) 1162 softc->minimum_cmd_size = 6; 1163 else if ((softc->minimum_cmd_size > 6) 1164 && (softc->minimum_cmd_size <= 10)) 1165 softc->minimum_cmd_size = 10; 1166 else if ((softc->minimum_cmd_size > 10) 1167 && (softc->minimum_cmd_size <= 12)) 1168 softc->minimum_cmd_size = 12; 1169 else if (softc->minimum_cmd_size > 12) 1170 softc->minimum_cmd_size = 16; 1171 1172 /* 1173 * Block our timeout handler while we 1174 * add this softc to the dev list. 1175 */ 1176 s = splsoftclock(); 1177 SLIST_INSERT_HEAD(&softc_list, softc, links); 1178 splx(s); 1179 1180 /* 1181 * Register this media as a disk 1182 */ 1183 1184 softc->disk = disk_alloc(); 1185 softc->disk->d_open = daopen; 1186 softc->disk->d_close = daclose; 1187 softc->disk->d_strategy = dastrategy; 1188 softc->disk->d_dump = dadump; 1189 softc->disk->d_name = "da"; 1190 softc->disk->d_drv1 = periph; 1191 softc->disk->d_maxsize = DFLTPHYS; /* XXX: probably not arbitrary */ 1192 softc->disk->d_unit = periph->unit_number; 1193 softc->disk->d_flags = DISKFLAG_NEEDSGIANT; 1194 if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) 1195 softc->disk->d_flags |= DISKFLAG_CANFLUSHCACHE; 1196 disk_create(softc->disk, DISK_VERSION); 1197 1198 /* 1199 * Add async callbacks for bus reset and 1200 * bus device reset calls. I don't bother 1201 * checking if this fails as, in most cases, 1202 * the system will function just fine without 1203 * them and the only alternative would be to 1204 * not attach the device on failure. 1205 */ 1206 xpt_setup_ccb(&csa.ccb_h, periph->path, /*priority*/5); 1207 csa.ccb_h.func_code = XPT_SASYNC_CB; 1208 csa.event_enable = AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE; 1209 csa.callback = daasync; 1210 csa.callback_arg = periph; 1211 xpt_action((union ccb *)&csa); 1212 /* 1213 * Lock this peripheral until we are setup. 1214 * This first call can't block 1215 */ 1216 (void)cam_periph_lock(periph, PRIBIO); 1217 xpt_schedule(periph, /*priority*/5); 1218 1219 return(CAM_REQ_CMP); 1220 } 1221 1222 static void 1223 dastart(struct cam_periph *periph, union ccb *start_ccb) 1224 { 1225 struct da_softc *softc; 1226 1227 softc = (struct da_softc *)periph->softc; 1228 1229 1230 switch (softc->state) { 1231 case DA_STATE_NORMAL: 1232 { 1233 /* Pull a buffer from the queue and get going on it */ 1234 struct bio *bp; 1235 int s; 1236 1237 /* 1238 * See if there is a buf with work for us to do.. 1239 */ 1240 s = splbio(); 1241 bp = bioq_first(&softc->bio_queue); 1242 if (periph->immediate_priority <= periph->pinfo.priority) { 1243 CAM_DEBUG_PRINT(CAM_DEBUG_SUBTRACE, 1244 ("queuing for immediate ccb\n")); 1245 start_ccb->ccb_h.ccb_state = DA_CCB_WAITING; 1246 SLIST_INSERT_HEAD(&periph->ccb_list, &start_ccb->ccb_h, 1247 periph_links.sle); 1248 periph->immediate_priority = CAM_PRIORITY_NONE; 1249 splx(s); 1250 wakeup(&periph->ccb_list); 1251 } else if (bp == NULL) { 1252 splx(s); 1253 xpt_release_ccb(start_ccb); 1254 } else { 1255 int oldspl; 1256 u_int8_t tag_code; 1257 1258 bioq_remove(&softc->bio_queue, bp); 1259 1260 if ((softc->flags & DA_FLAG_NEED_OTAG) != 0) { 1261 softc->flags &= ~DA_FLAG_NEED_OTAG; 1262 softc->ordered_tag_count++; 1263 tag_code = MSG_ORDERED_Q_TAG; 1264 } else { 1265 tag_code = MSG_SIMPLE_Q_TAG; 1266 } 1267 switch (bp->bio_cmd) { 1268 case BIO_READ: 1269 case BIO_WRITE: 1270 scsi_read_write(&start_ccb->csio, 1271 /*retries*/da_retry_count, 1272 /*cbfcnp*/dadone, 1273 /*tag_action*/tag_code, 1274 /*read_op*/bp->bio_cmd == BIO_READ, 1275 /*byte2*/0, 1276 softc->minimum_cmd_size, 1277 /*lba*/bp->bio_pblkno, 1278 /*block_count*/bp->bio_bcount / 1279 softc->params.secsize, 1280 /*data_ptr*/ bp->bio_data, 1281 /*dxfer_len*/ bp->bio_bcount, 1282 /*sense_len*/SSD_FULL_SIZE, 1283 /*timeout*/da_default_timeout*1000); 1284 break; 1285 case BIO_FLUSH: 1286 scsi_synchronize_cache(&start_ccb->csio, 1287 /*retries*/1, 1288 /*cbfcnp*/dadone, 1289 MSG_SIMPLE_Q_TAG, 1290 /*begin_lba*/0,/* Cover the whole disk */ 1291 /*lb_count*/0, 1292 SSD_FULL_SIZE, 1293 /*timeout*/da_default_timeout*1000); 1294 break; 1295 } 1296 start_ccb->ccb_h.ccb_state = DA_CCB_BUFFER_IO; 1297 1298 /* 1299 * Block out any asyncronous callbacks 1300 * while we touch the pending ccb list. 1301 */ 1302 oldspl = splcam(); 1303 LIST_INSERT_HEAD(&softc->pending_ccbs, 1304 &start_ccb->ccb_h, periph_links.le); 1305 softc->outstanding_cmds++; 1306 splx(oldspl); 1307 1308 /* We expect a unit attention from this device */ 1309 if ((softc->flags & DA_FLAG_RETRY_UA) != 0) { 1310 start_ccb->ccb_h.ccb_state |= DA_CCB_RETRY_UA; 1311 softc->flags &= ~DA_FLAG_RETRY_UA; 1312 } 1313 1314 start_ccb->ccb_h.ccb_bp = bp; 1315 bp = bioq_first(&softc->bio_queue); 1316 splx(s); 1317 1318 xpt_action(start_ccb); 1319 } 1320 1321 if (bp != NULL) { 1322 /* Have more work to do, so ensure we stay scheduled */ 1323 xpt_schedule(periph, /* XXX priority */1); 1324 } 1325 break; 1326 } 1327 case DA_STATE_PROBE: 1328 { 1329 struct ccb_scsiio *csio; 1330 struct scsi_read_capacity_data *rcap; 1331 1332 rcap = (struct scsi_read_capacity_data *)malloc(sizeof(*rcap), 1333 M_TEMP, 1334 M_NOWAIT); 1335 if (rcap == NULL) { 1336 printf("dastart: Couldn't malloc read_capacity data\n"); 1337 /* da_free_periph??? */ 1338 break; 1339 } 1340 csio = &start_ccb->csio; 1341 scsi_read_capacity(csio, 1342 /*retries*/4, 1343 dadone, 1344 MSG_SIMPLE_Q_TAG, 1345 rcap, 1346 SSD_FULL_SIZE, 1347 /*timeout*/5000); 1348 start_ccb->ccb_h.ccb_bp = NULL; 1349 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE; 1350 xpt_action(start_ccb); 1351 break; 1352 } 1353 case DA_STATE_PROBE2: 1354 { 1355 struct ccb_scsiio *csio; 1356 struct scsi_read_capacity_data_long *rcaplong; 1357 1358 rcaplong = (struct scsi_read_capacity_data_long *) 1359 malloc(sizeof(*rcaplong), M_TEMP, M_NOWAIT); 1360 if (rcaplong == NULL) { 1361 printf("dastart: Couldn't malloc read_capacity data\n"); 1362 /* da_free_periph??? */ 1363 break; 1364 } 1365 csio = &start_ccb->csio; 1366 scsi_read_capacity_16(csio, 1367 /*retries*/ 4, 1368 /*cbfcnp*/ dadone, 1369 /*tag_action*/ MSG_SIMPLE_Q_TAG, 1370 /*lba*/ 0, 1371 /*reladr*/ 0, 1372 /*pmi*/ 0, 1373 rcaplong, 1374 /*sense_len*/ SSD_FULL_SIZE, 1375 /*timeout*/ 60000); 1376 start_ccb->ccb_h.ccb_bp = NULL; 1377 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE2; 1378 xpt_action(start_ccb); 1379 break; 1380 } 1381 } 1382 } 1383 1384 static int 1385 cmd6workaround(union ccb *ccb) 1386 { 1387 struct scsi_rw_6 cmd6; 1388 struct scsi_rw_10 *cmd10; 1389 struct da_softc *softc; 1390 u_int8_t *cdb; 1391 int frozen; 1392 1393 cdb = ccb->csio.cdb_io.cdb_bytes; 1394 1395 /* Translation only possible if CDB is an array and cmd is R/W6 */ 1396 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0 || 1397 (*cdb != READ_6 && *cdb != WRITE_6)) 1398 return 0; 1399 1400 xpt_print(ccb->ccb_h.path, "READ(6)/WRITE(6) not supported, " 1401 "increasing minimum_cmd_size to 10.\n"); 1402 softc = (struct da_softc *)xpt_path_periph(ccb->ccb_h.path)->softc; 1403 softc->minimum_cmd_size = 10; 1404 1405 bcopy(cdb, &cmd6, sizeof(struct scsi_rw_6)); 1406 cmd10 = (struct scsi_rw_10 *)cdb; 1407 cmd10->opcode = (cmd6.opcode == READ_6) ? READ_10 : WRITE_10; 1408 cmd10->byte2 = 0; 1409 scsi_ulto4b(scsi_3btoul(cmd6.addr), cmd10->addr); 1410 cmd10->reserved = 0; 1411 scsi_ulto2b(cmd6.length, cmd10->length); 1412 cmd10->control = cmd6.control; 1413 ccb->csio.cdb_len = sizeof(*cmd10); 1414 1415 /* Requeue request, unfreezing queue if necessary */ 1416 frozen = (ccb->ccb_h.status & CAM_DEV_QFRZN) != 0; 1417 ccb->ccb_h.status = CAM_REQUEUE_REQ; 1418 xpt_action(ccb); 1419 if (frozen) { 1420 cam_release_devq(ccb->ccb_h.path, 1421 /*relsim_flags*/0, 1422 /*reduction*/0, 1423 /*timeout*/0, 1424 /*getcount_only*/0); 1425 } 1426 return (ERESTART); 1427 } 1428 1429 static void 1430 dadone(struct cam_periph *periph, union ccb *done_ccb) 1431 { 1432 struct da_softc *softc; 1433 struct ccb_scsiio *csio; 1434 1435 softc = (struct da_softc *)periph->softc; 1436 csio = &done_ccb->csio; 1437 switch (csio->ccb_h.ccb_state & DA_CCB_TYPE_MASK) { 1438 case DA_CCB_BUFFER_IO: 1439 { 1440 struct bio *bp; 1441 int oldspl; 1442 1443 bp = (struct bio *)done_ccb->ccb_h.ccb_bp; 1444 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1445 int error; 1446 int s; 1447 int sf; 1448 1449 if ((csio->ccb_h.ccb_state & DA_CCB_RETRY_UA) != 0) 1450 sf = SF_RETRY_UA; 1451 else 1452 sf = 0; 1453 1454 error = daerror(done_ccb, CAM_RETRY_SELTO, sf); 1455 if (error == ERESTART) { 1456 /* 1457 * A retry was scheuled, so 1458 * just return. 1459 */ 1460 return; 1461 } 1462 if (error != 0) { 1463 1464 s = splbio(); 1465 1466 if (error == ENXIO) { 1467 /* 1468 * Catastrophic error. Mark our pack as 1469 * invalid. 1470 */ 1471 /* 1472 * XXX See if this is really a media 1473 * XXX change first? 1474 */ 1475 xpt_print(periph->path, 1476 "Invalidating pack\n"); 1477 softc->flags |= DA_FLAG_PACK_INVALID; 1478 } 1479 1480 /* 1481 * return all queued I/O with EIO, so that 1482 * the client can retry these I/Os in the 1483 * proper order should it attempt to recover. 1484 */ 1485 bioq_flush(&softc->bio_queue, NULL, EIO); 1486 splx(s); 1487 bp->bio_error = error; 1488 bp->bio_resid = bp->bio_bcount; 1489 bp->bio_flags |= BIO_ERROR; 1490 } else { 1491 bp->bio_resid = csio->resid; 1492 bp->bio_error = 0; 1493 if (bp->bio_resid != 0) 1494 bp->bio_flags |= BIO_ERROR; 1495 } 1496 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 1497 cam_release_devq(done_ccb->ccb_h.path, 1498 /*relsim_flags*/0, 1499 /*reduction*/0, 1500 /*timeout*/0, 1501 /*getcount_only*/0); 1502 } else { 1503 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 1504 panic("REQ_CMP with QFRZN"); 1505 bp->bio_resid = csio->resid; 1506 if (csio->resid > 0) 1507 bp->bio_flags |= BIO_ERROR; 1508 } 1509 1510 /* 1511 * Block out any asyncronous callbacks 1512 * while we touch the pending ccb list. 1513 */ 1514 oldspl = splcam(); 1515 LIST_REMOVE(&done_ccb->ccb_h, periph_links.le); 1516 softc->outstanding_cmds--; 1517 if (softc->outstanding_cmds == 0) 1518 softc->flags |= DA_FLAG_WENT_IDLE; 1519 splx(oldspl); 1520 1521 biodone(bp); 1522 break; 1523 } 1524 case DA_CCB_PROBE: 1525 case DA_CCB_PROBE2: 1526 { 1527 struct scsi_read_capacity_data *rdcap; 1528 struct scsi_read_capacity_data_long *rcaplong; 1529 char announce_buf[80]; 1530 1531 rdcap = NULL; 1532 rcaplong = NULL; 1533 if (softc->state == DA_STATE_PROBE) 1534 rdcap =(struct scsi_read_capacity_data *)csio->data_ptr; 1535 else 1536 rcaplong = (struct scsi_read_capacity_data_long *) 1537 csio->data_ptr; 1538 1539 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 1540 struct disk_params *dp; 1541 uint32_t block_size; 1542 uint64_t maxsector; 1543 1544 if (softc->state == DA_STATE_PROBE) { 1545 block_size = scsi_4btoul(rdcap->length); 1546 maxsector = scsi_4btoul(rdcap->addr); 1547 1548 /* 1549 * According to SBC-2, if the standard 10 1550 * byte READ CAPACITY command returns 2^32, 1551 * we should issue the 16 byte version of 1552 * the command, since the device in question 1553 * has more sectors than can be represented 1554 * with the short version of the command. 1555 */ 1556 if (maxsector == 0xffffffff) { 1557 softc->state = DA_STATE_PROBE2; 1558 free(rdcap, M_TEMP); 1559 xpt_release_ccb(done_ccb); 1560 xpt_schedule(periph, /*priority*/5); 1561 return; 1562 } 1563 } else { 1564 block_size = scsi_4btoul(rcaplong->length); 1565 maxsector = scsi_8btou64(rcaplong->addr); 1566 } 1567 1568 /* 1569 * Because GEOM code just will panic us if we 1570 * give them an 'illegal' value we'll avoid that 1571 * here. 1572 */ 1573 if (block_size >= MAXPHYS || block_size == 0) { 1574 xpt_print(periph->path, 1575 "unsupportable block size %ju\n", 1576 (uintmax_t) block_size); 1577 announce_buf[0] = '\0'; 1578 cam_periph_invalidate(periph); 1579 } else { 1580 dasetgeom(periph, block_size, maxsector); 1581 dp = &softc->params; 1582 snprintf(announce_buf, sizeof(announce_buf), 1583 "%juMB (%ju %u byte sectors: %dH %dS/T " 1584 "%dC)", (uintmax_t) 1585 (((uintmax_t)dp->secsize * 1586 dp->sectors) / (1024*1024)), 1587 (uintmax_t)dp->sectors, 1588 dp->secsize, dp->heads, 1589 dp->secs_per_track, dp->cylinders); 1590 } 1591 } else { 1592 int error; 1593 1594 announce_buf[0] = '\0'; 1595 1596 /* 1597 * Retry any UNIT ATTENTION type errors. They 1598 * are expected at boot. 1599 */ 1600 error = daerror(done_ccb, CAM_RETRY_SELTO, 1601 SF_RETRY_UA|SF_NO_PRINT); 1602 if (error == ERESTART) { 1603 /* 1604 * A retry was scheuled, so 1605 * just return. 1606 */ 1607 return; 1608 } else if (error != 0) { 1609 struct scsi_sense_data *sense; 1610 int asc, ascq; 1611 int sense_key, error_code; 1612 int have_sense; 1613 cam_status status; 1614 struct ccb_getdev cgd; 1615 1616 /* Don't wedge this device's queue */ 1617 status = done_ccb->ccb_h.status; 1618 if ((status & CAM_DEV_QFRZN) != 0) 1619 cam_release_devq(done_ccb->ccb_h.path, 1620 /*relsim_flags*/0, 1621 /*reduction*/0, 1622 /*timeout*/0, 1623 /*getcount_only*/0); 1624 1625 1626 xpt_setup_ccb(&cgd.ccb_h, 1627 done_ccb->ccb_h.path, 1628 /* priority */ 1); 1629 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 1630 xpt_action((union ccb *)&cgd); 1631 1632 if (((csio->ccb_h.flags & CAM_SENSE_PHYS) != 0) 1633 || ((csio->ccb_h.flags & CAM_SENSE_PTR) != 0) 1634 || ((status & CAM_AUTOSNS_VALID) == 0)) 1635 have_sense = FALSE; 1636 else 1637 have_sense = TRUE; 1638 1639 if (have_sense) { 1640 sense = &csio->sense_data; 1641 scsi_extract_sense(sense, &error_code, 1642 &sense_key, 1643 &asc, &ascq); 1644 } 1645 /* 1646 * Attach to anything that claims to be a 1647 * direct access or optical disk device, 1648 * as long as it doesn't return a "Logical 1649 * unit not supported" (0x25) error. 1650 */ 1651 if ((have_sense) && (asc != 0x25) 1652 && (error_code == SSD_CURRENT_ERROR)) { 1653 const char *sense_key_desc; 1654 const char *asc_desc; 1655 1656 scsi_sense_desc(sense_key, asc, ascq, 1657 &cgd.inq_data, 1658 &sense_key_desc, 1659 &asc_desc); 1660 snprintf(announce_buf, 1661 sizeof(announce_buf), 1662 "Attempt to query device " 1663 "size failed: %s, %s", 1664 sense_key_desc, 1665 asc_desc); 1666 } else { 1667 if (have_sense) 1668 scsi_sense_print( 1669 &done_ccb->csio); 1670 else { 1671 xpt_print(periph->path, 1672 "got CAM status %#x\n", 1673 done_ccb->ccb_h.status); 1674 } 1675 1676 xpt_print(periph->path, "fatal error, " 1677 "failed to attach to device\n"); 1678 1679 /* 1680 * Free up resources. 1681 */ 1682 cam_periph_invalidate(periph); 1683 } 1684 } 1685 } 1686 free(csio->data_ptr, M_TEMP); 1687 if (announce_buf[0] != '\0') { 1688 xpt_announce_periph(periph, announce_buf); 1689 /* 1690 * Create our sysctl variables, now that we know 1691 * we have successfully attached. 1692 */ 1693 taskqueue_enqueue(taskqueue_thread,&softc->sysctl_task); 1694 } 1695 softc->state = DA_STATE_NORMAL; 1696 /* 1697 * Since our peripheral may be invalidated by an error 1698 * above or an external event, we must release our CCB 1699 * before releasing the probe lock on the peripheral. 1700 * The peripheral will only go away once the last lock 1701 * is removed, and we need it around for the CCB release 1702 * operation. 1703 */ 1704 xpt_release_ccb(done_ccb); 1705 cam_periph_unlock(periph); 1706 return; 1707 } 1708 case DA_CCB_WAITING: 1709 { 1710 /* Caller will release the CCB */ 1711 wakeup(&done_ccb->ccb_h.cbfcnp); 1712 return; 1713 } 1714 case DA_CCB_DUMP: 1715 /* No-op. We're polling */ 1716 return; 1717 default: 1718 break; 1719 } 1720 xpt_release_ccb(done_ccb); 1721 } 1722 1723 static int 1724 daerror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags) 1725 { 1726 struct da_softc *softc; 1727 struct cam_periph *periph; 1728 int error; 1729 1730 periph = xpt_path_periph(ccb->ccb_h.path); 1731 softc = (struct da_softc *)periph->softc; 1732 1733 /* 1734 * Automatically detect devices that do not support 1735 * READ(6)/WRITE(6) and upgrade to using 10 byte cdbs. 1736 */ 1737 error = 0; 1738 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INVALID) { 1739 error = cmd6workaround(ccb); 1740 } else if (((ccb->ccb_h.status & CAM_STATUS_MASK) == 1741 CAM_SCSI_STATUS_ERROR) 1742 && (ccb->ccb_h.status & CAM_AUTOSNS_VALID) 1743 && (ccb->csio.scsi_status == SCSI_STATUS_CHECK_COND) 1744 && ((ccb->ccb_h.flags & CAM_SENSE_PHYS) == 0) 1745 && ((ccb->ccb_h.flags & CAM_SENSE_PTR) == 0)) { 1746 int sense_key, error_code, asc, ascq; 1747 1748 scsi_extract_sense(&ccb->csio.sense_data, 1749 &error_code, &sense_key, &asc, &ascq); 1750 if (sense_key == SSD_KEY_ILLEGAL_REQUEST) 1751 error = cmd6workaround(ccb); 1752 } 1753 if (error == ERESTART) 1754 return (ERESTART); 1755 1756 /* 1757 * XXX 1758 * Until we have a better way of doing pack validation, 1759 * don't treat UAs as errors. 1760 */ 1761 sense_flags |= SF_RETRY_UA; 1762 return(cam_periph_error(ccb, cam_flags, sense_flags, 1763 &softc->saved_ccb)); 1764 } 1765 1766 static void 1767 daprevent(struct cam_periph *periph, int action) 1768 { 1769 struct da_softc *softc; 1770 union ccb *ccb; 1771 int error; 1772 1773 softc = (struct da_softc *)periph->softc; 1774 1775 if (((action == PR_ALLOW) 1776 && (softc->flags & DA_FLAG_PACK_LOCKED) == 0) 1777 || ((action == PR_PREVENT) 1778 && (softc->flags & DA_FLAG_PACK_LOCKED) != 0)) { 1779 return; 1780 } 1781 1782 ccb = cam_periph_getccb(periph, /*priority*/1); 1783 1784 scsi_prevent(&ccb->csio, 1785 /*retries*/1, 1786 /*cbcfp*/dadone, 1787 MSG_SIMPLE_Q_TAG, 1788 action, 1789 SSD_FULL_SIZE, 1790 5000); 1791 1792 error = cam_periph_runccb(ccb, /*error_routine*/NULL, CAM_RETRY_SELTO, 1793 SF_RETRY_UA, softc->disk->d_devstat); 1794 1795 if (error == 0) { 1796 if (action == PR_ALLOW) 1797 softc->flags &= ~DA_FLAG_PACK_LOCKED; 1798 else 1799 softc->flags |= DA_FLAG_PACK_LOCKED; 1800 } 1801 1802 xpt_release_ccb(ccb); 1803 } 1804 1805 static int 1806 dagetcapacity(struct cam_periph *periph) 1807 { 1808 struct da_softc *softc; 1809 union ccb *ccb; 1810 struct scsi_read_capacity_data *rcap; 1811 struct scsi_read_capacity_data_long *rcaplong; 1812 uint32_t block_len; 1813 uint64_t maxsector; 1814 int error; 1815 1816 softc = (struct da_softc *)periph->softc; 1817 block_len = 0; 1818 maxsector = 0; 1819 error = 0; 1820 1821 /* Do a read capacity */ 1822 rcap = (struct scsi_read_capacity_data *)malloc(sizeof(*rcaplong), 1823 M_TEMP, 1824 M_WAITOK); 1825 1826 ccb = cam_periph_getccb(periph, /*priority*/1); 1827 scsi_read_capacity(&ccb->csio, 1828 /*retries*/4, 1829 /*cbfncp*/dadone, 1830 MSG_SIMPLE_Q_TAG, 1831 rcap, 1832 SSD_FULL_SIZE, 1833 /*timeout*/60000); 1834 ccb->ccb_h.ccb_bp = NULL; 1835 1836 error = cam_periph_runccb(ccb, daerror, 1837 /*cam_flags*/CAM_RETRY_SELTO, 1838 /*sense_flags*/SF_RETRY_UA, 1839 softc->disk->d_devstat); 1840 1841 if ((ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 1842 cam_release_devq(ccb->ccb_h.path, 1843 /*relsim_flags*/0, 1844 /*reduction*/0, 1845 /*timeout*/0, 1846 /*getcount_only*/0); 1847 1848 if (error == 0) { 1849 block_len = scsi_4btoul(rcap->length); 1850 maxsector = scsi_4btoul(rcap->addr); 1851 1852 if (maxsector != 0xffffffff) 1853 goto done; 1854 } else 1855 goto done; 1856 1857 rcaplong = (struct scsi_read_capacity_data_long *)rcap; 1858 1859 scsi_read_capacity_16(&ccb->csio, 1860 /*retries*/ 4, 1861 /*cbfcnp*/ dadone, 1862 /*tag_action*/ MSG_SIMPLE_Q_TAG, 1863 /*lba*/ 0, 1864 /*reladr*/ 0, 1865 /*pmi*/ 0, 1866 rcaplong, 1867 /*sense_len*/ SSD_FULL_SIZE, 1868 /*timeout*/ 60000); 1869 ccb->ccb_h.ccb_bp = NULL; 1870 1871 error = cam_periph_runccb(ccb, daerror, 1872 /*cam_flags*/CAM_RETRY_SELTO, 1873 /*sense_flags*/SF_RETRY_UA, 1874 softc->disk->d_devstat); 1875 1876 if ((ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 1877 cam_release_devq(ccb->ccb_h.path, 1878 /*relsim_flags*/0, 1879 /*reduction*/0, 1880 /*timeout*/0, 1881 /*getcount_only*/0); 1882 1883 if (error == 0) { 1884 block_len = scsi_4btoul(rcaplong->length); 1885 maxsector = scsi_8btou64(rcaplong->addr); 1886 } 1887 1888 done: 1889 1890 if (error == 0) 1891 dasetgeom(periph, block_len, maxsector); 1892 1893 xpt_release_ccb(ccb); 1894 1895 free(rcap, M_TEMP); 1896 1897 return (error); 1898 } 1899 1900 static void 1901 dasetgeom(struct cam_periph *periph, uint32_t block_len, uint64_t maxsector) 1902 { 1903 struct ccb_calc_geometry ccg; 1904 struct da_softc *softc; 1905 struct disk_params *dp; 1906 1907 softc = (struct da_softc *)periph->softc; 1908 1909 dp = &softc->params; 1910 dp->secsize = block_len; 1911 dp->sectors = maxsector + 1; 1912 /* 1913 * Have the controller provide us with a geometry 1914 * for this disk. The only time the geometry 1915 * matters is when we boot and the controller 1916 * is the only one knowledgeable enough to come 1917 * up with something that will make this a bootable 1918 * device. 1919 */ 1920 xpt_setup_ccb(&ccg.ccb_h, periph->path, /*priority*/1); 1921 ccg.ccb_h.func_code = XPT_CALC_GEOMETRY; 1922 ccg.block_size = dp->secsize; 1923 ccg.volume_size = dp->sectors; 1924 ccg.heads = 0; 1925 ccg.secs_per_track = 0; 1926 ccg.cylinders = 0; 1927 xpt_action((union ccb*)&ccg); 1928 if ((ccg.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1929 /* 1930 * We don't know what went wrong here- but just pick 1931 * a geometry so we don't have nasty things like divide 1932 * by zero. 1933 */ 1934 dp->heads = 255; 1935 dp->secs_per_track = 255; 1936 dp->cylinders = dp->sectors / (255 * 255); 1937 if (dp->cylinders == 0) { 1938 dp->cylinders = 1; 1939 } 1940 } else { 1941 dp->heads = ccg.heads; 1942 dp->secs_per_track = ccg.secs_per_track; 1943 dp->cylinders = ccg.cylinders; 1944 } 1945 } 1946 1947 static void 1948 dasendorderedtag(void *arg) 1949 { 1950 struct da_softc *softc; 1951 int s; 1952 if (da_send_ordered) { 1953 for (softc = SLIST_FIRST(&softc_list); 1954 softc != NULL; 1955 softc = SLIST_NEXT(softc, links)) { 1956 s = splsoftcam(); 1957 if ((softc->ordered_tag_count == 0) 1958 && ((softc->flags & DA_FLAG_WENT_IDLE) == 0)) { 1959 softc->flags |= DA_FLAG_NEED_OTAG; 1960 } 1961 if (softc->outstanding_cmds > 0) 1962 softc->flags &= ~DA_FLAG_WENT_IDLE; 1963 1964 softc->ordered_tag_count = 0; 1965 splx(s); 1966 } 1967 /* Queue us up again */ 1968 timeout(dasendorderedtag, NULL, 1969 (da_default_timeout * hz) / DA_ORDEREDTAG_INTERVAL); 1970 } 1971 } 1972 1973 /* 1974 * Step through all DA peripheral drivers, and if the device is still open, 1975 * sync the disk cache to physical media. 1976 */ 1977 static void 1978 dashutdown(void * arg, int howto) 1979 { 1980 struct cam_periph *periph; 1981 struct da_softc *softc; 1982 1983 TAILQ_FOREACH(periph, &dadriver.units, unit_links) { 1984 union ccb ccb; 1985 softc = (struct da_softc *)periph->softc; 1986 1987 /* 1988 * We only sync the cache if the drive is still open, and 1989 * if the drive is capable of it.. 1990 */ 1991 if (((softc->flags & DA_FLAG_OPEN) == 0) 1992 || (softc->quirks & DA_Q_NO_SYNC_CACHE)) 1993 continue; 1994 1995 xpt_setup_ccb(&ccb.ccb_h, periph->path, /*priority*/1); 1996 1997 ccb.ccb_h.ccb_state = DA_CCB_DUMP; 1998 scsi_synchronize_cache(&ccb.csio, 1999 /*retries*/1, 2000 /*cbfcnp*/dadone, 2001 MSG_SIMPLE_Q_TAG, 2002 /*begin_lba*/0, /* whole disk */ 2003 /*lb_count*/0, 2004 SSD_FULL_SIZE, 2005 60 * 60 * 1000); 2006 2007 xpt_polled_action(&ccb); 2008 2009 if ((ccb.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 2010 if (((ccb.ccb_h.status & CAM_STATUS_MASK) == 2011 CAM_SCSI_STATUS_ERROR) 2012 && (ccb.csio.scsi_status == SCSI_STATUS_CHECK_COND)){ 2013 int error_code, sense_key, asc, ascq; 2014 2015 scsi_extract_sense(&ccb.csio.sense_data, 2016 &error_code, &sense_key, 2017 &asc, &ascq); 2018 2019 if (sense_key != SSD_KEY_ILLEGAL_REQUEST) 2020 scsi_sense_print(&ccb.csio); 2021 } else { 2022 xpt_print(periph->path, "Synchronize " 2023 "cache failed, status == 0x%x, scsi status " 2024 "== 0x%x\n", ccb.ccb_h.status, 2025 ccb.csio.scsi_status); 2026 } 2027 } 2028 2029 if ((ccb.ccb_h.status & CAM_DEV_QFRZN) != 0) 2030 cam_release_devq(ccb.ccb_h.path, 2031 /*relsim_flags*/0, 2032 /*reduction*/0, 2033 /*timeout*/0, 2034 /*getcount_only*/0); 2035 2036 } 2037 } 2038 2039 #else /* !_KERNEL */ 2040 2041 /* 2042 * XXX This is only left out of the kernel build to silence warnings. If, 2043 * for some reason this function is used in the kernel, the ifdefs should 2044 * be moved so it is included both in the kernel and userland. 2045 */ 2046 void 2047 scsi_format_unit(struct ccb_scsiio *csio, u_int32_t retries, 2048 void (*cbfcnp)(struct cam_periph *, union ccb *), 2049 u_int8_t tag_action, u_int8_t byte2, u_int16_t ileave, 2050 u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len, 2051 u_int32_t timeout) 2052 { 2053 struct scsi_format_unit *scsi_cmd; 2054 2055 scsi_cmd = (struct scsi_format_unit *)&csio->cdb_io.cdb_bytes; 2056 scsi_cmd->opcode = FORMAT_UNIT; 2057 scsi_cmd->byte2 = byte2; 2058 scsi_ulto2b(ileave, scsi_cmd->interleave); 2059 2060 cam_fill_csio(csio, 2061 retries, 2062 cbfcnp, 2063 /*flags*/ (dxfer_len > 0) ? CAM_DIR_OUT : CAM_DIR_NONE, 2064 tag_action, 2065 data_ptr, 2066 dxfer_len, 2067 sense_len, 2068 sizeof(*scsi_cmd), 2069 timeout); 2070 } 2071 2072 #endif /* _KERNEL */ 2073