scsi_da.c revision 271530
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: stable/10/sys/cam/scsi/scsi_da.c 271530 2014-09-13 17:13:04Z mav $"); 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#include <sys/lock.h> 41#include <sys/mutex.h> 42#include <sys/conf.h> 43#include <sys/devicestat.h> 44#include <sys/eventhandler.h> 45#include <sys/malloc.h> 46#include <sys/cons.h> 47#include <sys/endian.h> 48#include <sys/proc.h> 49#include <geom/geom.h> 50#include <geom/geom_disk.h> 51#endif /* _KERNEL */ 52 53#ifndef _KERNEL 54#include <stdio.h> 55#include <string.h> 56#endif /* _KERNEL */ 57 58#include <cam/cam.h> 59#include <cam/cam_ccb.h> 60#include <cam/cam_periph.h> 61#include <cam/cam_xpt_periph.h> 62#include <cam/cam_sim.h> 63 64#include <cam/scsi/scsi_message.h> 65 66#ifndef _KERNEL 67#include <cam/scsi/scsi_da.h> 68#endif /* !_KERNEL */ 69 70#ifdef _KERNEL 71typedef enum { 72 DA_STATE_PROBE_RC, 73 DA_STATE_PROBE_RC16, 74 DA_STATE_PROBE_LBP, 75 DA_STATE_PROBE_BLK_LIMITS, 76 DA_STATE_PROBE_BDC, 77 DA_STATE_PROBE_ATA, 78 DA_STATE_NORMAL 79} da_state; 80 81typedef enum { 82 DA_FLAG_PACK_INVALID = 0x001, 83 DA_FLAG_NEW_PACK = 0x002, 84 DA_FLAG_PACK_LOCKED = 0x004, 85 DA_FLAG_PACK_REMOVABLE = 0x008, 86 DA_FLAG_NEED_OTAG = 0x020, 87 DA_FLAG_WAS_OTAG = 0x040, 88 DA_FLAG_RETRY_UA = 0x080, 89 DA_FLAG_OPEN = 0x100, 90 DA_FLAG_SCTX_INIT = 0x200, 91 DA_FLAG_CAN_RC16 = 0x400, 92 DA_FLAG_PROBED = 0x800, 93 DA_FLAG_DIRTY = 0x1000, 94 DA_FLAG_ANNOUNCED = 0x2000 95} da_flags; 96 97typedef enum { 98 DA_Q_NONE = 0x00, 99 DA_Q_NO_SYNC_CACHE = 0x01, 100 DA_Q_NO_6_BYTE = 0x02, 101 DA_Q_NO_PREVENT = 0x04, 102 DA_Q_4K = 0x08, 103 DA_Q_NO_RC16 = 0x10, 104 DA_Q_NO_UNMAP = 0x20 105} da_quirks; 106 107#define DA_Q_BIT_STRING \ 108 "\020" \ 109 "\001NO_SYNC_CACHE" \ 110 "\002NO_6_BYTE" \ 111 "\003NO_PREVENT" \ 112 "\0044K" \ 113 "\005NO_RC16" 114 115typedef enum { 116 DA_CCB_PROBE_RC = 0x01, 117 DA_CCB_PROBE_RC16 = 0x02, 118 DA_CCB_PROBE_LBP = 0x03, 119 DA_CCB_PROBE_BLK_LIMITS = 0x04, 120 DA_CCB_PROBE_BDC = 0x05, 121 DA_CCB_PROBE_ATA = 0x06, 122 DA_CCB_BUFFER_IO = 0x07, 123 DA_CCB_DUMP = 0x0A, 124 DA_CCB_DELETE = 0x0B, 125 DA_CCB_TUR = 0x0C, 126 DA_CCB_TYPE_MASK = 0x0F, 127 DA_CCB_RETRY_UA = 0x10 128} da_ccb_state; 129 130/* 131 * Order here is important for method choice 132 * 133 * We prefer ATA_TRIM as tests run against a Sandforce 2281 SSD attached to 134 * LSI 2008 (mps) controller (FW: v12, Drv: v14) resulted 20% quicker deletes 135 * using ATA_TRIM than the corresponding UNMAP results for a real world mysql 136 * import taking 5mins. 137 * 138 */ 139typedef enum { 140 DA_DELETE_NONE, 141 DA_DELETE_DISABLE, 142 DA_DELETE_ATA_TRIM, 143 DA_DELETE_UNMAP, 144 DA_DELETE_WS16, 145 DA_DELETE_WS10, 146 DA_DELETE_ZERO, 147 DA_DELETE_MIN = DA_DELETE_ATA_TRIM, 148 DA_DELETE_MAX = DA_DELETE_ZERO 149} da_delete_methods; 150 151typedef void da_delete_func_t (struct cam_periph *periph, union ccb *ccb, 152 struct bio *bp); 153static da_delete_func_t da_delete_trim; 154static da_delete_func_t da_delete_unmap; 155static da_delete_func_t da_delete_ws; 156 157static const void * da_delete_functions[] = { 158 NULL, 159 NULL, 160 da_delete_trim, 161 da_delete_unmap, 162 da_delete_ws, 163 da_delete_ws, 164 da_delete_ws 165}; 166 167static const char *da_delete_method_names[] = 168 { "NONE", "DISABLE", "ATA_TRIM", "UNMAP", "WS16", "WS10", "ZERO" }; 169static const char *da_delete_method_desc[] = 170 { "NONE", "DISABLED", "ATA TRIM", "UNMAP", "WRITE SAME(16) with UNMAP", 171 "WRITE SAME(10) with UNMAP", "ZERO" }; 172 173/* Offsets into our private area for storing information */ 174#define ccb_state ppriv_field0 175#define ccb_bp ppriv_ptr1 176 177struct disk_params { 178 u_int8_t heads; 179 u_int32_t cylinders; 180 u_int8_t secs_per_track; 181 u_int32_t secsize; /* Number of bytes/sector */ 182 u_int64_t sectors; /* total number sectors */ 183 u_int stripesize; 184 u_int stripeoffset; 185}; 186 187#define UNMAP_RANGE_MAX 0xffffffff 188#define UNMAP_HEAD_SIZE 8 189#define UNMAP_RANGE_SIZE 16 190#define UNMAP_MAX_RANGES 2048 /* Protocol Max is 4095 */ 191#define UNMAP_BUF_SIZE ((UNMAP_MAX_RANGES * UNMAP_RANGE_SIZE) + \ 192 UNMAP_HEAD_SIZE) 193 194#define WS10_MAX_BLKS 0xffff 195#define WS16_MAX_BLKS 0xffffffff 196#define ATA_TRIM_MAX_RANGES ((UNMAP_BUF_SIZE / \ 197 (ATA_DSM_RANGE_SIZE * ATA_DSM_BLK_SIZE)) * ATA_DSM_BLK_SIZE) 198 199struct da_softc { 200 struct bio_queue_head bio_queue; 201 struct bio_queue_head delete_queue; 202 struct bio_queue_head delete_run_queue; 203 LIST_HEAD(, ccb_hdr) pending_ccbs; 204 int tur; /* TEST UNIT READY should be sent */ 205 int refcount; /* Active xpt_action() calls */ 206 da_state state; 207 da_flags flags; 208 da_quirks quirks; 209 int sort_io_queue; 210 int minimum_cmd_size; 211 int error_inject; 212 int trim_max_ranges; 213 int delete_running; 214 int delete_available; /* Delete methods possibly available */ 215 u_int maxio; 216 uint32_t unmap_max_ranges; 217 uint32_t unmap_max_lba; /* Max LBAs in UNMAP req */ 218 uint64_t ws_max_blks; 219 da_delete_methods delete_method; 220 da_delete_func_t *delete_func; 221 struct disk_params params; 222 struct disk *disk; 223 union ccb saved_ccb; 224 struct task sysctl_task; 225 struct sysctl_ctx_list sysctl_ctx; 226 struct sysctl_oid *sysctl_tree; 227 struct callout sendordered_c; 228 uint64_t wwpn; 229 uint8_t unmap_buf[UNMAP_BUF_SIZE]; 230 struct scsi_read_capacity_data_long rcaplong; 231 struct callout mediapoll_c; 232}; 233 234#define dadeleteflag(softc, delete_method, enable) \ 235 if (enable) { \ 236 softc->delete_available |= (1 << delete_method); \ 237 } else { \ 238 softc->delete_available &= ~(1 << delete_method); \ 239 } 240 241struct da_quirk_entry { 242 struct scsi_inquiry_pattern inq_pat; 243 da_quirks quirks; 244}; 245 246static const char quantum[] = "QUANTUM"; 247static const char microp[] = "MICROP"; 248 249static struct da_quirk_entry da_quirk_table[] = 250{ 251 /* SPI, FC devices */ 252 { 253 /* 254 * Fujitsu M2513A MO drives. 255 * Tested devices: M2513A2 firmware versions 1200 & 1300. 256 * (dip switch selects whether T_DIRECT or T_OPTICAL device) 257 * Reported by: W.Scholten <whs@xs4all.nl> 258 */ 259 {T_DIRECT, SIP_MEDIA_REMOVABLE, "FUJITSU", "M2513A", "*"}, 260 /*quirks*/ DA_Q_NO_SYNC_CACHE 261 }, 262 { 263 /* See above. */ 264 {T_OPTICAL, SIP_MEDIA_REMOVABLE, "FUJITSU", "M2513A", "*"}, 265 /*quirks*/ DA_Q_NO_SYNC_CACHE 266 }, 267 { 268 /* 269 * This particular Fujitsu drive doesn't like the 270 * synchronize cache command. 271 * Reported by: Tom Jackson <toj@gorilla.net> 272 */ 273 {T_DIRECT, SIP_MEDIA_FIXED, "FUJITSU", "M2954*", "*"}, 274 /*quirks*/ DA_Q_NO_SYNC_CACHE 275 }, 276 { 277 /* 278 * This drive doesn't like the synchronize cache command 279 * either. Reported by: Matthew Jacob <mjacob@feral.com> 280 * in NetBSD PR kern/6027, August 24, 1998. 281 */ 282 {T_DIRECT, SIP_MEDIA_FIXED, microp, "2217*", "*"}, 283 /*quirks*/ DA_Q_NO_SYNC_CACHE 284 }, 285 { 286 /* 287 * This drive doesn't like the synchronize cache command 288 * either. Reported by: Hellmuth Michaelis (hm@kts.org) 289 * (PR 8882). 290 */ 291 {T_DIRECT, SIP_MEDIA_FIXED, microp, "2112*", "*"}, 292 /*quirks*/ DA_Q_NO_SYNC_CACHE 293 }, 294 { 295 /* 296 * Doesn't like the synchronize cache command. 297 * Reported by: Blaz Zupan <blaz@gold.amis.net> 298 */ 299 {T_DIRECT, SIP_MEDIA_FIXED, "NEC", "D3847*", "*"}, 300 /*quirks*/ DA_Q_NO_SYNC_CACHE 301 }, 302 { 303 /* 304 * Doesn't like the synchronize cache command. 305 * Reported by: Blaz Zupan <blaz@gold.amis.net> 306 */ 307 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "MAVERICK 540S", "*"}, 308 /*quirks*/ DA_Q_NO_SYNC_CACHE 309 }, 310 { 311 /* 312 * Doesn't like the synchronize cache command. 313 */ 314 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "LPS525S", "*"}, 315 /*quirks*/ DA_Q_NO_SYNC_CACHE 316 }, 317 { 318 /* 319 * Doesn't like the synchronize cache command. 320 * Reported by: walter@pelissero.de 321 */ 322 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "LPS540S", "*"}, 323 /*quirks*/ DA_Q_NO_SYNC_CACHE 324 }, 325 { 326 /* 327 * Doesn't work correctly with 6 byte reads/writes. 328 * Returns illegal request, and points to byte 9 of the 329 * 6-byte CDB. 330 * Reported by: Adam McDougall <bsdx@spawnet.com> 331 */ 332 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "VIKING 4*", "*"}, 333 /*quirks*/ DA_Q_NO_6_BYTE 334 }, 335 { 336 /* See above. */ 337 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "VIKING 2*", "*"}, 338 /*quirks*/ DA_Q_NO_6_BYTE 339 }, 340 { 341 /* 342 * Doesn't like the synchronize cache command. 343 * Reported by: walter@pelissero.de 344 */ 345 {T_DIRECT, SIP_MEDIA_FIXED, "CONNER", "CP3500*", "*"}, 346 /*quirks*/ DA_Q_NO_SYNC_CACHE 347 }, 348 { 349 /* 350 * The CISS RAID controllers do not support SYNC_CACHE 351 */ 352 {T_DIRECT, SIP_MEDIA_FIXED, "COMPAQ", "RAID*", "*"}, 353 /*quirks*/ DA_Q_NO_SYNC_CACHE 354 }, 355 { 356 /* 357 * The STEC SSDs sometimes hang on UNMAP. 358 */ 359 {T_DIRECT, SIP_MEDIA_FIXED, "STEC", "*", "*"}, 360 /*quirks*/ DA_Q_NO_UNMAP 361 }, 362 /* USB mass storage devices supported by umass(4) */ 363 { 364 /* 365 * EXATELECOM (Sigmatel) i-Bead 100/105 USB Flash MP3 Player 366 * PR: kern/51675 367 */ 368 {T_DIRECT, SIP_MEDIA_REMOVABLE, "EXATEL", "i-BEAD10*", "*"}, 369 /*quirks*/ DA_Q_NO_SYNC_CACHE 370 }, 371 { 372 /* 373 * Power Quotient Int. (PQI) USB flash key 374 * PR: kern/53067 375 */ 376 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "USB Flash Disk*", 377 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 378 }, 379 { 380 /* 381 * Creative Nomad MUVO mp3 player (USB) 382 * PR: kern/53094 383 */ 384 {T_DIRECT, SIP_MEDIA_REMOVABLE, "CREATIVE", "NOMAD_MUVO", "*"}, 385 /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT 386 }, 387 { 388 /* 389 * Jungsoft NEXDISK USB flash key 390 * PR: kern/54737 391 */ 392 {T_DIRECT, SIP_MEDIA_REMOVABLE, "JUNGSOFT", "NEXDISK*", "*"}, 393 /*quirks*/ DA_Q_NO_SYNC_CACHE 394 }, 395 { 396 /* 397 * FreeDik USB Mini Data Drive 398 * PR: kern/54786 399 */ 400 {T_DIRECT, SIP_MEDIA_REMOVABLE, "FreeDik*", "Mini Data Drive", 401 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 402 }, 403 { 404 /* 405 * Sigmatel USB Flash MP3 Player 406 * PR: kern/57046 407 */ 408 {T_DIRECT, SIP_MEDIA_REMOVABLE, "SigmaTel", "MSCN", "*"}, 409 /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT 410 }, 411 { 412 /* 413 * Neuros USB Digital Audio Computer 414 * PR: kern/63645 415 */ 416 {T_DIRECT, SIP_MEDIA_REMOVABLE, "NEUROS", "dig. audio comp.", 417 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 418 }, 419 { 420 /* 421 * SEAGRAND NP-900 MP3 Player 422 * PR: kern/64563 423 */ 424 {T_DIRECT, SIP_MEDIA_REMOVABLE, "SEAGRAND", "NP-900*", "*"}, 425 /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT 426 }, 427 { 428 /* 429 * iRiver iFP MP3 player (with UMS Firmware) 430 * PR: kern/54881, i386/63941, kern/66124 431 */ 432 {T_DIRECT, SIP_MEDIA_REMOVABLE, "iRiver", "iFP*", "*"}, 433 /*quirks*/ DA_Q_NO_SYNC_CACHE 434 }, 435 { 436 /* 437 * Frontier Labs NEX IA+ Digital Audio Player, rev 1.10/0.01 438 * PR: kern/70158 439 */ 440 {T_DIRECT, SIP_MEDIA_REMOVABLE, "FL" , "Nex*", "*"}, 441 /*quirks*/ DA_Q_NO_SYNC_CACHE 442 }, 443 { 444 /* 445 * ZICPlay USB MP3 Player with FM 446 * PR: kern/75057 447 */ 448 {T_DIRECT, SIP_MEDIA_REMOVABLE, "ACTIONS*" , "USB DISK*", "*"}, 449 /*quirks*/ DA_Q_NO_SYNC_CACHE 450 }, 451 { 452 /* 453 * TEAC USB floppy mechanisms 454 */ 455 {T_DIRECT, SIP_MEDIA_REMOVABLE, "TEAC" , "FD-05*", "*"}, 456 /*quirks*/ DA_Q_NO_SYNC_CACHE 457 }, 458 { 459 /* 460 * Kingston DataTraveler II+ USB Pen-Drive. 461 * Reported by: Pawel Jakub Dawidek <pjd@FreeBSD.org> 462 */ 463 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Kingston" , "DataTraveler II+", 464 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 465 }, 466 { 467 /* 468 * USB DISK Pro PMAP 469 * Reported by: jhs 470 * PR: usb/96381 471 */ 472 {T_DIRECT, SIP_MEDIA_REMOVABLE, " ", "USB DISK Pro", "PMAP"}, 473 /*quirks*/ DA_Q_NO_SYNC_CACHE 474 }, 475 { 476 /* 477 * Motorola E398 Mobile Phone (TransFlash memory card). 478 * Reported by: Wojciech A. Koszek <dunstan@FreeBSD.czest.pl> 479 * PR: usb/89889 480 */ 481 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Motorola" , "Motorola Phone", 482 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 483 }, 484 { 485 /* 486 * Qware BeatZkey! Pro 487 * PR: usb/79164 488 */ 489 {T_DIRECT, SIP_MEDIA_REMOVABLE, "GENERIC", "USB DISK DEVICE", 490 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 491 }, 492 { 493 /* 494 * Time DPA20B 1GB MP3 Player 495 * PR: usb/81846 496 */ 497 {T_DIRECT, SIP_MEDIA_REMOVABLE, "USB2.0*", "(FS) FLASH DISK*", 498 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 499 }, 500 { 501 /* 502 * Samsung USB key 128Mb 503 * PR: usb/90081 504 */ 505 {T_DIRECT, SIP_MEDIA_REMOVABLE, "USB-DISK", "FreeDik-FlashUsb", 506 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 507 }, 508 { 509 /* 510 * Kingston DataTraveler 2.0 USB Flash memory. 511 * PR: usb/89196 512 */ 513 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Kingston", "DataTraveler 2.0", 514 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 515 }, 516 { 517 /* 518 * Creative MUVO Slim mp3 player (USB) 519 * PR: usb/86131 520 */ 521 {T_DIRECT, SIP_MEDIA_REMOVABLE, "CREATIVE", "MuVo Slim", 522 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT 523 }, 524 { 525 /* 526 * United MP5512 Portable MP3 Player (2-in-1 USB DISK/MP3) 527 * PR: usb/80487 528 */ 529 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "MUSIC DISK", 530 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 531 }, 532 { 533 /* 534 * SanDisk Micro Cruzer 128MB 535 * PR: usb/75970 536 */ 537 {T_DIRECT, SIP_MEDIA_REMOVABLE, "SanDisk" , "Micro Cruzer", 538 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 539 }, 540 { 541 /* 542 * TOSHIBA TransMemory USB sticks 543 * PR: kern/94660 544 */ 545 {T_DIRECT, SIP_MEDIA_REMOVABLE, "TOSHIBA", "TransMemory", 546 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 547 }, 548 { 549 /* 550 * PNY USB Flash keys 551 * PR: usb/75578, usb/72344, usb/65436 552 */ 553 {T_DIRECT, SIP_MEDIA_REMOVABLE, "*" , "USB DISK*", 554 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 555 }, 556 { 557 /* 558 * Genesys 6-in-1 Card Reader 559 * PR: usb/94647 560 */ 561 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "STORAGE DEVICE*", 562 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 563 }, 564 { 565 /* 566 * Rekam Digital CAMERA 567 * PR: usb/98713 568 */ 569 {T_DIRECT, SIP_MEDIA_REMOVABLE, "CAMERA*", "4MP-9J6*", 570 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 571 }, 572 { 573 /* 574 * iRiver H10 MP3 player 575 * PR: usb/102547 576 */ 577 {T_DIRECT, SIP_MEDIA_REMOVABLE, "iriver", "H10*", 578 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 579 }, 580 { 581 /* 582 * iRiver U10 MP3 player 583 * PR: usb/92306 584 */ 585 {T_DIRECT, SIP_MEDIA_REMOVABLE, "iriver", "U10*", 586 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 587 }, 588 { 589 /* 590 * X-Micro Flash Disk 591 * PR: usb/96901 592 */ 593 {T_DIRECT, SIP_MEDIA_REMOVABLE, "X-Micro", "Flash Disk", 594 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 595 }, 596 { 597 /* 598 * EasyMP3 EM732X USB 2.0 Flash MP3 Player 599 * PR: usb/96546 600 */ 601 {T_DIRECT, SIP_MEDIA_REMOVABLE, "EM732X", "MP3 Player*", 602 "1.00"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 603 }, 604 { 605 /* 606 * Denver MP3 player 607 * PR: usb/107101 608 */ 609 {T_DIRECT, SIP_MEDIA_REMOVABLE, "DENVER", "MP3 PLAYER", 610 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 611 }, 612 { 613 /* 614 * Philips USB Key Audio KEY013 615 * PR: usb/68412 616 */ 617 {T_DIRECT, SIP_MEDIA_REMOVABLE, "PHILIPS", "Key*", "*"}, 618 /*quirks*/ DA_Q_NO_SYNC_CACHE | DA_Q_NO_PREVENT 619 }, 620 { 621 /* 622 * JNC MP3 Player 623 * PR: usb/94439 624 */ 625 {T_DIRECT, SIP_MEDIA_REMOVABLE, "JNC*" , "MP3 Player*", 626 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 627 }, 628 { 629 /* 630 * SAMSUNG MP0402H 631 * PR: usb/108427 632 */ 633 {T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "MP0402H", "*"}, 634 /*quirks*/ DA_Q_NO_SYNC_CACHE 635 }, 636 { 637 /* 638 * I/O Magic USB flash - Giga Bank 639 * PR: usb/108810 640 */ 641 {T_DIRECT, SIP_MEDIA_FIXED, "GS-Magic", "stor*", "*"}, 642 /*quirks*/ DA_Q_NO_SYNC_CACHE 643 }, 644 { 645 /* 646 * JoyFly 128mb USB Flash Drive 647 * PR: 96133 648 */ 649 {T_DIRECT, SIP_MEDIA_REMOVABLE, "USB 2.0", "Flash Disk*", 650 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 651 }, 652 { 653 /* 654 * ChipsBnk usb stick 655 * PR: 103702 656 */ 657 {T_DIRECT, SIP_MEDIA_REMOVABLE, "ChipsBnk", "USB*", 658 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 659 }, 660 { 661 /* 662 * Storcase (Kingston) InfoStation IFS FC2/SATA-R 201A 663 * PR: 129858 664 */ 665 {T_DIRECT, SIP_MEDIA_FIXED, "IFS", "FC2/SATA-R*", 666 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 667 }, 668 { 669 /* 670 * Samsung YP-U3 mp3-player 671 * PR: 125398 672 */ 673 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Samsung", "YP-U3", 674 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 675 }, 676 { 677 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Netac", "OnlyDisk*", 678 "2000"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 679 }, 680 { 681 /* 682 * Sony Cyber-Shot DSC cameras 683 * PR: usb/137035 684 */ 685 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Sony", "Sony DSC", "*"}, 686 /*quirks*/ DA_Q_NO_SYNC_CACHE | DA_Q_NO_PREVENT 687 }, 688 { 689 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Kingston", "DataTraveler G3", 690 "1.00"}, /*quirks*/ DA_Q_NO_PREVENT 691 }, 692 { 693 /* At least several Transcent USB sticks lie on RC16. */ 694 {T_DIRECT, SIP_MEDIA_REMOVABLE, "JetFlash", "Transcend*", 695 "*"}, /*quirks*/ DA_Q_NO_RC16 696 }, 697 /* ATA/SATA devices over SAS/USB/... */ 698 { 699 /* Hitachi Advanced Format (4k) drives */ 700 { T_DIRECT, SIP_MEDIA_FIXED, "Hitachi", "H??????????E3*", "*" }, 701 /*quirks*/DA_Q_4K 702 }, 703 { 704 /* Samsung Advanced Format (4k) drives */ 705 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SAMSUNG HD155UI*", "*" }, 706 /*quirks*/DA_Q_4K 707 }, 708 { 709 /* Samsung Advanced Format (4k) drives */ 710 { T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "HD155UI*", "*" }, 711 /*quirks*/DA_Q_4K 712 }, 713 { 714 /* Samsung Advanced Format (4k) drives */ 715 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SAMSUNG HD204UI*", "*" }, 716 /*quirks*/DA_Q_4K 717 }, 718 { 719 /* Samsung Advanced Format (4k) drives */ 720 { T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "HD204UI*", "*" }, 721 /*quirks*/DA_Q_4K 722 }, 723 { 724 /* Seagate Barracuda Green Advanced Format (4k) drives */ 725 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST????DL*", "*" }, 726 /*quirks*/DA_Q_4K 727 }, 728 { 729 /* Seagate Barracuda Green Advanced Format (4k) drives */ 730 { T_DIRECT, SIP_MEDIA_FIXED, "ST????DL", "*", "*" }, 731 /*quirks*/DA_Q_4K 732 }, 733 { 734 /* Seagate Barracuda Green Advanced Format (4k) drives */ 735 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST???DM*", "*" }, 736 /*quirks*/DA_Q_4K 737 }, 738 { 739 /* Seagate Barracuda Green Advanced Format (4k) drives */ 740 { T_DIRECT, SIP_MEDIA_FIXED, "ST???DM*", "*", "*" }, 741 /*quirks*/DA_Q_4K 742 }, 743 { 744 /* Seagate Barracuda Green Advanced Format (4k) drives */ 745 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST????DM*", "*" }, 746 /*quirks*/DA_Q_4K 747 }, 748 { 749 /* Seagate Barracuda Green Advanced Format (4k) drives */ 750 { T_DIRECT, SIP_MEDIA_FIXED, "ST????DM", "*", "*" }, 751 /*quirks*/DA_Q_4K 752 }, 753 { 754 /* Seagate Momentus Advanced Format (4k) drives */ 755 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9500423AS*", "*" }, 756 /*quirks*/DA_Q_4K 757 }, 758 { 759 /* Seagate Momentus Advanced Format (4k) drives */ 760 { T_DIRECT, SIP_MEDIA_FIXED, "ST950042", "3AS*", "*" }, 761 /*quirks*/DA_Q_4K 762 }, 763 { 764 /* Seagate Momentus Advanced Format (4k) drives */ 765 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9500424AS*", "*" }, 766 /*quirks*/DA_Q_4K 767 }, 768 { 769 /* Seagate Momentus Advanced Format (4k) drives */ 770 { T_DIRECT, SIP_MEDIA_FIXED, "ST950042", "4AS*", "*" }, 771 /*quirks*/DA_Q_4K 772 }, 773 { 774 /* Seagate Momentus Advanced Format (4k) drives */ 775 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9640423AS*", "*" }, 776 /*quirks*/DA_Q_4K 777 }, 778 { 779 /* Seagate Momentus Advanced Format (4k) drives */ 780 { T_DIRECT, SIP_MEDIA_FIXED, "ST964042", "3AS*", "*" }, 781 /*quirks*/DA_Q_4K 782 }, 783 { 784 /* Seagate Momentus Advanced Format (4k) drives */ 785 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9640424AS*", "*" }, 786 /*quirks*/DA_Q_4K 787 }, 788 { 789 /* Seagate Momentus Advanced Format (4k) drives */ 790 { T_DIRECT, SIP_MEDIA_FIXED, "ST964042", "4AS*", "*" }, 791 /*quirks*/DA_Q_4K 792 }, 793 { 794 /* Seagate Momentus Advanced Format (4k) drives */ 795 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9750420AS*", "*" }, 796 /*quirks*/DA_Q_4K 797 }, 798 { 799 /* Seagate Momentus Advanced Format (4k) drives */ 800 { T_DIRECT, SIP_MEDIA_FIXED, "ST975042", "0AS*", "*" }, 801 /*quirks*/DA_Q_4K 802 }, 803 { 804 /* Seagate Momentus Advanced Format (4k) drives */ 805 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9750422AS*", "*" }, 806 /*quirks*/DA_Q_4K 807 }, 808 { 809 /* Seagate Momentus Advanced Format (4k) drives */ 810 { T_DIRECT, SIP_MEDIA_FIXED, "ST975042", "2AS*", "*" }, 811 /*quirks*/DA_Q_4K 812 }, 813 { 814 /* Seagate Momentus Advanced Format (4k) drives */ 815 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9750423AS*", "*" }, 816 /*quirks*/DA_Q_4K 817 }, 818 { 819 /* Seagate Momentus Advanced Format (4k) drives */ 820 { T_DIRECT, SIP_MEDIA_FIXED, "ST975042", "3AS*", "*" }, 821 /*quirks*/DA_Q_4K 822 }, 823 { 824 /* Seagate Momentus Thin Advanced Format (4k) drives */ 825 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST???LT*", "*" }, 826 /*quirks*/DA_Q_4K 827 }, 828 { 829 /* Seagate Momentus Thin Advanced Format (4k) drives */ 830 { T_DIRECT, SIP_MEDIA_FIXED, "ST???LT*", "*", "*" }, 831 /*quirks*/DA_Q_4K 832 }, 833 { 834 /* WDC Caviar Green Advanced Format (4k) drives */ 835 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD????RS*", "*" }, 836 /*quirks*/DA_Q_4K 837 }, 838 { 839 /* WDC Caviar Green Advanced Format (4k) drives */ 840 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "??RS*", "*" }, 841 /*quirks*/DA_Q_4K 842 }, 843 { 844 /* WDC Caviar Green Advanced Format (4k) drives */ 845 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD????RX*", "*" }, 846 /*quirks*/DA_Q_4K 847 }, 848 { 849 /* WDC Caviar Green Advanced Format (4k) drives */ 850 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "??RX*", "*" }, 851 /*quirks*/DA_Q_4K 852 }, 853 { 854 /* WDC Caviar Green Advanced Format (4k) drives */ 855 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD??????RS*", "*" }, 856 /*quirks*/DA_Q_4K 857 }, 858 { 859 /* WDC Caviar Green Advanced Format (4k) drives */ 860 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "????RS*", "*" }, 861 /*quirks*/DA_Q_4K 862 }, 863 { 864 /* WDC Caviar Green Advanced Format (4k) drives */ 865 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD??????RX*", "*" }, 866 /*quirks*/DA_Q_4K 867 }, 868 { 869 /* WDC Caviar Green Advanced Format (4k) drives */ 870 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "????RX*", "*" }, 871 /*quirks*/DA_Q_4K 872 }, 873 { 874 /* WDC Scorpio Black Advanced Format (4k) drives */ 875 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD???PKT*", "*" }, 876 /*quirks*/DA_Q_4K 877 }, 878 { 879 /* WDC Scorpio Black Advanced Format (4k) drives */ 880 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "?PKT*", "*" }, 881 /*quirks*/DA_Q_4K 882 }, 883 { 884 /* WDC Scorpio Black Advanced Format (4k) drives */ 885 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD?????PKT*", "*" }, 886 /*quirks*/DA_Q_4K 887 }, 888 { 889 /* WDC Scorpio Black Advanced Format (4k) drives */ 890 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "???PKT*", "*" }, 891 /*quirks*/DA_Q_4K 892 }, 893 { 894 /* WDC Scorpio Blue Advanced Format (4k) drives */ 895 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD???PVT*", "*" }, 896 /*quirks*/DA_Q_4K 897 }, 898 { 899 /* WDC Scorpio Blue Advanced Format (4k) drives */ 900 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "?PVT*", "*" }, 901 /*quirks*/DA_Q_4K 902 }, 903 { 904 /* WDC Scorpio Blue Advanced Format (4k) drives */ 905 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD?????PVT*", "*" }, 906 /*quirks*/DA_Q_4K 907 }, 908 { 909 /* WDC Scorpio Blue Advanced Format (4k) drives */ 910 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "???PVT*", "*" }, 911 /*quirks*/DA_Q_4K 912 }, 913 { 914 /* 915 * Olympus FE-210 camera 916 */ 917 {T_DIRECT, SIP_MEDIA_REMOVABLE, "OLYMPUS", "FE210*", 918 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 919 }, 920 { 921 /* 922 * LG UP3S MP3 player 923 */ 924 {T_DIRECT, SIP_MEDIA_REMOVABLE, "LG", "UP3S", 925 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 926 }, 927 { 928 /* 929 * Laser MP3-2GA13 MP3 player 930 */ 931 {T_DIRECT, SIP_MEDIA_REMOVABLE, "USB 2.0", "(HS) Flash Disk", 932 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 933 }, 934 { 935 /* 936 * LaCie external 250GB Hard drive des by Porsche 937 * Submitted by: Ben Stuyts <ben@altesco.nl> 938 * PR: 121474 939 */ 940 {T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "HM250JI", "*"}, 941 /*quirks*/ DA_Q_NO_SYNC_CACHE 942 }, 943 /* SATA SSDs */ 944 { 945 /* 946 * Corsair Force 2 SSDs 947 * 4k optimised & trim only works in 4k requests + 4k aligned 948 */ 949 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Corsair CSSD-F*", "*" }, 950 /*quirks*/DA_Q_4K 951 }, 952 { 953 /* 954 * Corsair Force 3 SSDs 955 * 4k optimised & trim only works in 4k requests + 4k aligned 956 */ 957 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Corsair Force 3*", "*" }, 958 /*quirks*/DA_Q_4K 959 }, 960 { 961 /* 962 * Corsair Neutron GTX SSDs 963 * 4k optimised & trim only works in 4k requests + 4k aligned 964 */ 965 { T_DIRECT, SIP_MEDIA_FIXED, "*", "Corsair Neutron GTX*", "*" }, 966 /*quirks*/DA_Q_4K 967 }, 968 { 969 /* 970 * Corsair Force GT & GS SSDs 971 * 4k optimised & trim only works in 4k requests + 4k aligned 972 */ 973 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Corsair Force G*", "*" }, 974 /*quirks*/DA_Q_4K 975 }, 976 { 977 /* 978 * Crucial M4 SSDs 979 * 4k optimised & trim only works in 4k requests + 4k aligned 980 */ 981 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "M4-CT???M4SSD2*", "*" }, 982 /*quirks*/DA_Q_4K 983 }, 984 { 985 /* 986 * Crucial RealSSD C300 SSDs 987 * 4k optimised 988 */ 989 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "C300-CTFDDAC???MAG*", 990 "*" }, /*quirks*/DA_Q_4K 991 }, 992 { 993 /* 994 * Intel 320 Series SSDs 995 * 4k optimised & trim only works in 4k requests + 4k aligned 996 */ 997 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSA2CW*", "*" }, 998 /*quirks*/DA_Q_4K 999 }, 1000 { 1001 /* 1002 * Intel 330 Series SSDs 1003 * 4k optimised & trim only works in 4k requests + 4k aligned 1004 */ 1005 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSC2CT*", "*" }, 1006 /*quirks*/DA_Q_4K 1007 }, 1008 { 1009 /* 1010 * Intel 510 Series SSDs 1011 * 4k optimised & trim only works in 4k requests + 4k aligned 1012 */ 1013 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSC2MH*", "*" }, 1014 /*quirks*/DA_Q_4K 1015 }, 1016 { 1017 /* 1018 * Intel 520 Series SSDs 1019 * 4k optimised & trim only works in 4k requests + 4k aligned 1020 */ 1021 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSC2BW*", "*" }, 1022 /*quirks*/DA_Q_4K 1023 }, 1024 { 1025 /* 1026 * Intel X25-M Series SSDs 1027 * 4k optimised & trim only works in 4k requests + 4k aligned 1028 */ 1029 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSA2M*", "*" }, 1030 /*quirks*/DA_Q_4K 1031 }, 1032 { 1033 /* 1034 * Kingston E100 Series SSDs 1035 * 4k optimised & trim only works in 4k requests + 4k aligned 1036 */ 1037 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "KINGSTON SE100S3*", "*" }, 1038 /*quirks*/DA_Q_4K 1039 }, 1040 { 1041 /* 1042 * Kingston HyperX 3k SSDs 1043 * 4k optimised & trim only works in 4k requests + 4k aligned 1044 */ 1045 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "KINGSTON SH103S3*", "*" }, 1046 /*quirks*/DA_Q_4K 1047 }, 1048 { 1049 /* 1050 * Marvell SSDs (entry taken from OpenSolaris) 1051 * 4k optimised & trim only works in 4k requests + 4k aligned 1052 */ 1053 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "MARVELL SD88SA02*", "*" }, 1054 /*quirks*/DA_Q_4K 1055 }, 1056 { 1057 /* 1058 * OCZ Agility 2 SSDs 1059 * 4k optimised & trim only works in 4k requests + 4k aligned 1060 */ 1061 { T_DIRECT, SIP_MEDIA_FIXED, "*", "OCZ-AGILITY2*", "*" }, 1062 /*quirks*/DA_Q_4K 1063 }, 1064 { 1065 /* 1066 * OCZ Agility 3 SSDs 1067 * 4k optimised & trim only works in 4k requests + 4k aligned 1068 */ 1069 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "OCZ-AGILITY3*", "*" }, 1070 /*quirks*/DA_Q_4K 1071 }, 1072 { 1073 /* 1074 * OCZ Deneva R Series SSDs 1075 * 4k optimised & trim only works in 4k requests + 4k aligned 1076 */ 1077 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "DENRSTE251M45*", "*" }, 1078 /*quirks*/DA_Q_4K 1079 }, 1080 { 1081 /* 1082 * OCZ Vertex 2 SSDs (inc pro series) 1083 * 4k optimised & trim only works in 4k requests + 4k aligned 1084 */ 1085 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "OCZ?VERTEX2*", "*" }, 1086 /*quirks*/DA_Q_4K 1087 }, 1088 { 1089 /* 1090 * OCZ Vertex 3 SSDs 1091 * 4k optimised & trim only works in 4k requests + 4k aligned 1092 */ 1093 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "OCZ-VERTEX3*", "*" }, 1094 /*quirks*/DA_Q_4K 1095 }, 1096 { 1097 /* 1098 * OCZ Vertex 4 SSDs 1099 * 4k optimised & trim only works in 4k requests + 4k aligned 1100 */ 1101 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "OCZ-VERTEX4*", "*" }, 1102 /*quirks*/DA_Q_4K 1103 }, 1104 { 1105 /* 1106 * Samsung 830 Series SSDs 1107 * 4k optimised & trim only works in 4k requests + 4k aligned 1108 */ 1109 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SAMSUNG SSD 830 Series*", "*" }, 1110 /*quirks*/DA_Q_4K 1111 }, 1112 { 1113 /* 1114 * Samsung 840 SSDs 1115 * 4k optimised & trim only works in 4k requests + 4k aligned 1116 */ 1117 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Samsung SSD 840*", "*" }, 1118 /*quirks*/DA_Q_4K 1119 }, 1120 { 1121 /* 1122 * SuperTalent TeraDrive CT SSDs 1123 * 4k optimised & trim only works in 4k requests + 4k aligned 1124 */ 1125 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "FTM??CT25H*", "*" }, 1126 /*quirks*/DA_Q_4K 1127 }, 1128 { 1129 /* 1130 * XceedIOPS SATA SSDs 1131 * 4k optimised 1132 */ 1133 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SG9XCS2D*", "*" }, 1134 /*quirks*/DA_Q_4K 1135 }, 1136}; 1137 1138static disk_strategy_t dastrategy; 1139static dumper_t dadump; 1140static periph_init_t dainit; 1141static void daasync(void *callback_arg, u_int32_t code, 1142 struct cam_path *path, void *arg); 1143static void dasysctlinit(void *context, int pending); 1144static int dacmdsizesysctl(SYSCTL_HANDLER_ARGS); 1145static int dadeletemethodsysctl(SYSCTL_HANDLER_ARGS); 1146static int dadeletemaxsysctl(SYSCTL_HANDLER_ARGS); 1147static void dadeletemethodset(struct da_softc *softc, 1148 da_delete_methods delete_method); 1149static off_t dadeletemaxsize(struct da_softc *softc, 1150 da_delete_methods delete_method); 1151static void dadeletemethodchoose(struct da_softc *softc, 1152 da_delete_methods default_method); 1153static void daprobedone(struct cam_periph *periph, union ccb *ccb); 1154 1155static periph_ctor_t daregister; 1156static periph_dtor_t dacleanup; 1157static periph_start_t dastart; 1158static periph_oninv_t daoninvalidate; 1159static void dadone(struct cam_periph *periph, 1160 union ccb *done_ccb); 1161static int daerror(union ccb *ccb, u_int32_t cam_flags, 1162 u_int32_t sense_flags); 1163static void daprevent(struct cam_periph *periph, int action); 1164static void dareprobe(struct cam_periph *periph); 1165static void dasetgeom(struct cam_periph *periph, uint32_t block_len, 1166 uint64_t maxsector, 1167 struct scsi_read_capacity_data_long *rcaplong, 1168 size_t rcap_size); 1169static timeout_t dasendorderedtag; 1170static void dashutdown(void *arg, int howto); 1171static timeout_t damediapoll; 1172 1173#ifndef DA_DEFAULT_POLL_PERIOD 1174#define DA_DEFAULT_POLL_PERIOD 3 1175#endif 1176 1177#ifndef DA_DEFAULT_TIMEOUT 1178#define DA_DEFAULT_TIMEOUT 60 /* Timeout in seconds */ 1179#endif 1180 1181#ifndef DA_DEFAULT_RETRY 1182#define DA_DEFAULT_RETRY 4 1183#endif 1184 1185#ifndef DA_DEFAULT_SEND_ORDERED 1186#define DA_DEFAULT_SEND_ORDERED 1 1187#endif 1188 1189#define DA_SIO (softc->sort_io_queue >= 0 ? \ 1190 softc->sort_io_queue : cam_sort_io_queues) 1191 1192static int da_poll_period = DA_DEFAULT_POLL_PERIOD; 1193static int da_retry_count = DA_DEFAULT_RETRY; 1194static int da_default_timeout = DA_DEFAULT_TIMEOUT; 1195static int da_send_ordered = DA_DEFAULT_SEND_ORDERED; 1196 1197static SYSCTL_NODE(_kern_cam, OID_AUTO, da, CTLFLAG_RD, 0, 1198 "CAM Direct Access Disk driver"); 1199SYSCTL_INT(_kern_cam_da, OID_AUTO, poll_period, CTLFLAG_RW, 1200 &da_poll_period, 0, "Media polling period in seconds"); 1201TUNABLE_INT("kern.cam.da.poll_period", &da_poll_period); 1202SYSCTL_INT(_kern_cam_da, OID_AUTO, retry_count, CTLFLAG_RW, 1203 &da_retry_count, 0, "Normal I/O retry count"); 1204TUNABLE_INT("kern.cam.da.retry_count", &da_retry_count); 1205SYSCTL_INT(_kern_cam_da, OID_AUTO, default_timeout, CTLFLAG_RW, 1206 &da_default_timeout, 0, "Normal I/O timeout (in seconds)"); 1207TUNABLE_INT("kern.cam.da.default_timeout", &da_default_timeout); 1208SYSCTL_INT(_kern_cam_da, OID_AUTO, send_ordered, CTLFLAG_RW, 1209 &da_send_ordered, 0, "Send Ordered Tags"); 1210TUNABLE_INT("kern.cam.da.send_ordered", &da_send_ordered); 1211 1212/* 1213 * DA_ORDEREDTAG_INTERVAL determines how often, relative 1214 * to the default timeout, we check to see whether an ordered 1215 * tagged transaction is appropriate to prevent simple tag 1216 * starvation. Since we'd like to ensure that there is at least 1217 * 1/2 of the timeout length left for a starved transaction to 1218 * complete after we've sent an ordered tag, we must poll at least 1219 * four times in every timeout period. This takes care of the worst 1220 * case where a starved transaction starts during an interval that 1221 * meets the requirement "don't send an ordered tag" test so it takes 1222 * us two intervals to determine that a tag must be sent. 1223 */ 1224#ifndef DA_ORDEREDTAG_INTERVAL 1225#define DA_ORDEREDTAG_INTERVAL 4 1226#endif 1227 1228static struct periph_driver dadriver = 1229{ 1230 dainit, "da", 1231 TAILQ_HEAD_INITIALIZER(dadriver.units), /* generation */ 0 1232}; 1233 1234PERIPHDRIVER_DECLARE(da, dadriver); 1235 1236static MALLOC_DEFINE(M_SCSIDA, "scsi_da", "scsi_da buffers"); 1237 1238static int 1239daopen(struct disk *dp) 1240{ 1241 struct cam_periph *periph; 1242 struct da_softc *softc; 1243 int error; 1244 1245 periph = (struct cam_periph *)dp->d_drv1; 1246 if (cam_periph_acquire(periph) != CAM_REQ_CMP) { 1247 return (ENXIO); 1248 } 1249 1250 cam_periph_lock(periph); 1251 if ((error = cam_periph_hold(periph, PRIBIO|PCATCH)) != 0) { 1252 cam_periph_unlock(periph); 1253 cam_periph_release(periph); 1254 return (error); 1255 } 1256 1257 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH, 1258 ("daopen\n")); 1259 1260 softc = (struct da_softc *)periph->softc; 1261 dareprobe(periph); 1262 1263 /* Wait for the disk size update. */ 1264 error = cam_periph_sleep(periph, &softc->disk->d_mediasize, PRIBIO, 1265 "dareprobe", 0); 1266 if (error != 0) 1267 xpt_print(periph->path, "unable to retrieve capacity data\n"); 1268 1269 if (periph->flags & CAM_PERIPH_INVALID) 1270 error = ENXIO; 1271 1272 if (error == 0 && (softc->flags & DA_FLAG_PACK_REMOVABLE) != 0 && 1273 (softc->quirks & DA_Q_NO_PREVENT) == 0) 1274 daprevent(periph, PR_PREVENT); 1275 1276 if (error == 0) { 1277 softc->flags &= ~DA_FLAG_PACK_INVALID; 1278 softc->flags |= DA_FLAG_OPEN; 1279 } 1280 1281 cam_periph_unhold(periph); 1282 cam_periph_unlock(periph); 1283 1284 if (error != 0) 1285 cam_periph_release(periph); 1286 1287 return (error); 1288} 1289 1290static int 1291daclose(struct disk *dp) 1292{ 1293 struct cam_periph *periph; 1294 struct da_softc *softc; 1295 union ccb *ccb; 1296 int error; 1297 1298 periph = (struct cam_periph *)dp->d_drv1; 1299 softc = (struct da_softc *)periph->softc; 1300 cam_periph_lock(periph); 1301 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH, 1302 ("daclose\n")); 1303 1304 if (cam_periph_hold(periph, PRIBIO) == 0) { 1305 1306 /* Flush disk cache. */ 1307 if ((softc->flags & DA_FLAG_DIRTY) != 0 && 1308 (softc->quirks & DA_Q_NO_SYNC_CACHE) == 0 && 1309 (softc->flags & DA_FLAG_PACK_INVALID) == 0) { 1310 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 1311 scsi_synchronize_cache(&ccb->csio, /*retries*/1, 1312 /*cbfcnp*/dadone, MSG_SIMPLE_Q_TAG, 1313 /*begin_lba*/0, /*lb_count*/0, SSD_FULL_SIZE, 1314 5 * 60 * 1000); 1315 error = cam_periph_runccb(ccb, daerror, /*cam_flags*/0, 1316 /*sense_flags*/SF_RETRY_UA | SF_QUIET_IR, 1317 softc->disk->d_devstat); 1318 if (error == 0) 1319 softc->flags &= ~DA_FLAG_DIRTY; 1320 xpt_release_ccb(ccb); 1321 } 1322 1323 /* Allow medium removal. */ 1324 if ((softc->flags & DA_FLAG_PACK_REMOVABLE) != 0 && 1325 (softc->quirks & DA_Q_NO_PREVENT) == 0) 1326 daprevent(periph, PR_ALLOW); 1327 1328 cam_periph_unhold(periph); 1329 } 1330 1331 /* 1332 * If we've got removeable media, mark the blocksize as 1333 * unavailable, since it could change when new media is 1334 * inserted. 1335 */ 1336 if ((softc->flags & DA_FLAG_PACK_REMOVABLE) != 0) 1337 softc->disk->d_devstat->flags |= DEVSTAT_BS_UNAVAILABLE; 1338 1339 softc->flags &= ~DA_FLAG_OPEN; 1340 while (softc->refcount != 0) 1341 cam_periph_sleep(periph, &softc->refcount, PRIBIO, "daclose", 1); 1342 cam_periph_unlock(periph); 1343 cam_periph_release(periph); 1344 return (0); 1345} 1346 1347static void 1348daschedule(struct cam_periph *periph) 1349{ 1350 struct da_softc *softc = (struct da_softc *)periph->softc; 1351 1352 if (softc->state != DA_STATE_NORMAL) 1353 return; 1354 1355 /* Check if we have more work to do. */ 1356 if (bioq_first(&softc->bio_queue) || 1357 (!softc->delete_running && bioq_first(&softc->delete_queue)) || 1358 softc->tur) { 1359 xpt_schedule(periph, CAM_PRIORITY_NORMAL); 1360 } 1361} 1362 1363/* 1364 * Actually translate the requested transfer into one the physical driver 1365 * can understand. The transfer is described by a buf and will include 1366 * only one physical transfer. 1367 */ 1368static void 1369dastrategy(struct bio *bp) 1370{ 1371 struct cam_periph *periph; 1372 struct da_softc *softc; 1373 1374 periph = (struct cam_periph *)bp->bio_disk->d_drv1; 1375 softc = (struct da_softc *)periph->softc; 1376 1377 cam_periph_lock(periph); 1378 1379 /* 1380 * If the device has been made invalid, error out 1381 */ 1382 if ((softc->flags & DA_FLAG_PACK_INVALID)) { 1383 cam_periph_unlock(periph); 1384 biofinish(bp, NULL, ENXIO); 1385 return; 1386 } 1387 1388 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dastrategy(%p)\n", bp)); 1389 1390 /* 1391 * Place it in the queue of disk activities for this disk 1392 */ 1393 if (bp->bio_cmd == BIO_DELETE) { 1394 bioq_disksort(&softc->delete_queue, bp); 1395 } else if (DA_SIO) { 1396 bioq_disksort(&softc->bio_queue, bp); 1397 } else { 1398 bioq_insert_tail(&softc->bio_queue, bp); 1399 } 1400 1401 /* 1402 * Schedule ourselves for performing the work. 1403 */ 1404 daschedule(periph); 1405 cam_periph_unlock(periph); 1406 1407 return; 1408} 1409 1410static int 1411dadump(void *arg, void *virtual, vm_offset_t physical, off_t offset, size_t length) 1412{ 1413 struct cam_periph *periph; 1414 struct da_softc *softc; 1415 u_int secsize; 1416 struct ccb_scsiio csio; 1417 struct disk *dp; 1418 int error = 0; 1419 1420 dp = arg; 1421 periph = dp->d_drv1; 1422 softc = (struct da_softc *)periph->softc; 1423 cam_periph_lock(periph); 1424 secsize = softc->params.secsize; 1425 1426 if ((softc->flags & DA_FLAG_PACK_INVALID) != 0) { 1427 cam_periph_unlock(periph); 1428 return (ENXIO); 1429 } 1430 1431 if (length > 0) { 1432 xpt_setup_ccb(&csio.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 1433 csio.ccb_h.ccb_state = DA_CCB_DUMP; 1434 scsi_read_write(&csio, 1435 /*retries*/0, 1436 dadone, 1437 MSG_ORDERED_Q_TAG, 1438 /*read*/SCSI_RW_WRITE, 1439 /*byte2*/0, 1440 /*minimum_cmd_size*/ softc->minimum_cmd_size, 1441 offset / secsize, 1442 length / secsize, 1443 /*data_ptr*/(u_int8_t *) virtual, 1444 /*dxfer_len*/length, 1445 /*sense_len*/SSD_FULL_SIZE, 1446 da_default_timeout * 1000); 1447 xpt_polled_action((union ccb *)&csio); 1448 1449 error = cam_periph_error((union ccb *)&csio, 1450 0, SF_NO_RECOVERY | SF_NO_RETRY, NULL); 1451 if ((csio.ccb_h.status & CAM_DEV_QFRZN) != 0) 1452 cam_release_devq(csio.ccb_h.path, /*relsim_flags*/0, 1453 /*reduction*/0, /*timeout*/0, /*getcount_only*/0); 1454 if (error != 0) 1455 printf("Aborting dump due to I/O error.\n"); 1456 cam_periph_unlock(periph); 1457 return (error); 1458 } 1459 1460 /* 1461 * Sync the disk cache contents to the physical media. 1462 */ 1463 if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) { 1464 1465 xpt_setup_ccb(&csio.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 1466 csio.ccb_h.ccb_state = DA_CCB_DUMP; 1467 scsi_synchronize_cache(&csio, 1468 /*retries*/0, 1469 /*cbfcnp*/dadone, 1470 MSG_SIMPLE_Q_TAG, 1471 /*begin_lba*/0,/* Cover the whole disk */ 1472 /*lb_count*/0, 1473 SSD_FULL_SIZE, 1474 5 * 60 * 1000); 1475 xpt_polled_action((union ccb *)&csio); 1476 1477 error = cam_periph_error((union ccb *)&csio, 1478 0, SF_NO_RECOVERY | SF_NO_RETRY | SF_QUIET_IR, NULL); 1479 if ((csio.ccb_h.status & CAM_DEV_QFRZN) != 0) 1480 cam_release_devq(csio.ccb_h.path, /*relsim_flags*/0, 1481 /*reduction*/0, /*timeout*/0, /*getcount_only*/0); 1482 if (error != 0) 1483 xpt_print(periph->path, "Synchronize cache failed\n"); 1484 } 1485 cam_periph_unlock(periph); 1486 return (error); 1487} 1488 1489static int 1490dagetattr(struct bio *bp) 1491{ 1492 int ret; 1493 struct cam_periph *periph; 1494 1495 periph = (struct cam_periph *)bp->bio_disk->d_drv1; 1496 cam_periph_lock(periph); 1497 ret = xpt_getattr(bp->bio_data, bp->bio_length, bp->bio_attribute, 1498 periph->path); 1499 cam_periph_unlock(periph); 1500 if (ret == 0) 1501 bp->bio_completed = bp->bio_length; 1502 return ret; 1503} 1504 1505static void 1506dainit(void) 1507{ 1508 cam_status status; 1509 1510 /* 1511 * Install a global async callback. This callback will 1512 * receive async callbacks like "new device found". 1513 */ 1514 status = xpt_register_async(AC_FOUND_DEVICE, daasync, NULL, NULL); 1515 1516 if (status != CAM_REQ_CMP) { 1517 printf("da: Failed to attach master async callback " 1518 "due to status 0x%x!\n", status); 1519 } else if (da_send_ordered) { 1520 1521 /* Register our shutdown event handler */ 1522 if ((EVENTHANDLER_REGISTER(shutdown_post_sync, dashutdown, 1523 NULL, SHUTDOWN_PRI_DEFAULT)) == NULL) 1524 printf("dainit: shutdown event registration failed!\n"); 1525 } 1526} 1527 1528/* 1529 * Callback from GEOM, called when it has finished cleaning up its 1530 * resources. 1531 */ 1532static void 1533dadiskgonecb(struct disk *dp) 1534{ 1535 struct cam_periph *periph; 1536 1537 periph = (struct cam_periph *)dp->d_drv1; 1538 cam_periph_release(periph); 1539} 1540 1541static void 1542daoninvalidate(struct cam_periph *periph) 1543{ 1544 struct da_softc *softc; 1545 1546 softc = (struct da_softc *)periph->softc; 1547 1548 /* 1549 * De-register any async callbacks. 1550 */ 1551 xpt_register_async(0, daasync, periph, periph->path); 1552 1553 softc->flags |= DA_FLAG_PACK_INVALID; 1554 1555 /* 1556 * Return all queued I/O with ENXIO. 1557 * XXX Handle any transactions queued to the card 1558 * with XPT_ABORT_CCB. 1559 */ 1560 bioq_flush(&softc->bio_queue, NULL, ENXIO); 1561 bioq_flush(&softc->delete_queue, NULL, ENXIO); 1562 1563 /* 1564 * Tell GEOM that we've gone away, we'll get a callback when it is 1565 * done cleaning up its resources. 1566 */ 1567 disk_gone(softc->disk); 1568} 1569 1570static void 1571dacleanup(struct cam_periph *periph) 1572{ 1573 struct da_softc *softc; 1574 1575 softc = (struct da_softc *)periph->softc; 1576 1577 cam_periph_unlock(periph); 1578 1579 /* 1580 * If we can't free the sysctl tree, oh well... 1581 */ 1582 if ((softc->flags & DA_FLAG_SCTX_INIT) != 0 1583 && sysctl_ctx_free(&softc->sysctl_ctx) != 0) { 1584 xpt_print(periph->path, "can't remove sysctl context\n"); 1585 } 1586 1587 callout_drain(&softc->mediapoll_c); 1588 disk_destroy(softc->disk); 1589 callout_drain(&softc->sendordered_c); 1590 free(softc, M_DEVBUF); 1591 cam_periph_lock(periph); 1592} 1593 1594static void 1595daasync(void *callback_arg, u_int32_t code, 1596 struct cam_path *path, void *arg) 1597{ 1598 struct cam_periph *periph; 1599 struct da_softc *softc; 1600 1601 periph = (struct cam_periph *)callback_arg; 1602 switch (code) { 1603 case AC_FOUND_DEVICE: 1604 { 1605 struct ccb_getdev *cgd; 1606 cam_status status; 1607 1608 cgd = (struct ccb_getdev *)arg; 1609 if (cgd == NULL) 1610 break; 1611 1612 if (cgd->protocol != PROTO_SCSI) 1613 break; 1614 1615 if (SID_TYPE(&cgd->inq_data) != T_DIRECT 1616 && SID_TYPE(&cgd->inq_data) != T_RBC 1617 && SID_TYPE(&cgd->inq_data) != T_OPTICAL) 1618 break; 1619 1620 /* 1621 * Allocate a peripheral instance for 1622 * this device and start the probe 1623 * process. 1624 */ 1625 status = cam_periph_alloc(daregister, daoninvalidate, 1626 dacleanup, dastart, 1627 "da", CAM_PERIPH_BIO, 1628 path, daasync, 1629 AC_FOUND_DEVICE, cgd); 1630 1631 if (status != CAM_REQ_CMP 1632 && status != CAM_REQ_INPROG) 1633 printf("daasync: Unable to attach to new device " 1634 "due to status 0x%x\n", status); 1635 return; 1636 } 1637 case AC_ADVINFO_CHANGED: 1638 { 1639 uintptr_t buftype; 1640 1641 buftype = (uintptr_t)arg; 1642 if (buftype == CDAI_TYPE_PHYS_PATH) { 1643 struct da_softc *softc; 1644 1645 softc = periph->softc; 1646 disk_attr_changed(softc->disk, "GEOM::physpath", 1647 M_NOWAIT); 1648 } 1649 break; 1650 } 1651 case AC_UNIT_ATTENTION: 1652 { 1653 union ccb *ccb; 1654 int error_code, sense_key, asc, ascq; 1655 1656 softc = (struct da_softc *)periph->softc; 1657 ccb = (union ccb *)arg; 1658 1659 /* 1660 * Handle all UNIT ATTENTIONs except our own, 1661 * as they will be handled by daerror(). 1662 */ 1663 if (xpt_path_periph(ccb->ccb_h.path) != periph && 1664 scsi_extract_sense_ccb(ccb, 1665 &error_code, &sense_key, &asc, &ascq)) { 1666 if (asc == 0x2A && ascq == 0x09) { 1667 xpt_print(ccb->ccb_h.path, 1668 "Capacity data has changed\n"); 1669 softc->flags &= ~DA_FLAG_PROBED; 1670 dareprobe(periph); 1671 } else if (asc == 0x28 && ascq == 0x00) { 1672 softc->flags &= ~DA_FLAG_PROBED; 1673 disk_media_changed(softc->disk, M_NOWAIT); 1674 } else if (asc == 0x3F && ascq == 0x03) { 1675 xpt_print(ccb->ccb_h.path, 1676 "INQUIRY data has changed\n"); 1677 softc->flags &= ~DA_FLAG_PROBED; 1678 dareprobe(periph); 1679 } 1680 } 1681 cam_periph_async(periph, code, path, arg); 1682 break; 1683 } 1684 case AC_SCSI_AEN: 1685 softc = (struct da_softc *)periph->softc; 1686 if (!softc->tur) { 1687 if (cam_periph_acquire(periph) == CAM_REQ_CMP) { 1688 softc->tur = 1; 1689 daschedule(periph); 1690 } 1691 } 1692 /* FALLTHROUGH */ 1693 case AC_SENT_BDR: 1694 case AC_BUS_RESET: 1695 { 1696 struct ccb_hdr *ccbh; 1697 1698 softc = (struct da_softc *)periph->softc; 1699 /* 1700 * Don't fail on the expected unit attention 1701 * that will occur. 1702 */ 1703 softc->flags |= DA_FLAG_RETRY_UA; 1704 LIST_FOREACH(ccbh, &softc->pending_ccbs, periph_links.le) 1705 ccbh->ccb_state |= DA_CCB_RETRY_UA; 1706 break; 1707 } 1708 default: 1709 break; 1710 } 1711 cam_periph_async(periph, code, path, arg); 1712} 1713 1714static void 1715dasysctlinit(void *context, int pending) 1716{ 1717 struct cam_periph *periph; 1718 struct da_softc *softc; 1719 char tmpstr[80], tmpstr2[80]; 1720 struct ccb_trans_settings cts; 1721 1722 periph = (struct cam_periph *)context; 1723 /* 1724 * periph was held for us when this task was enqueued 1725 */ 1726 if (periph->flags & CAM_PERIPH_INVALID) { 1727 cam_periph_release(periph); 1728 return; 1729 } 1730 1731 softc = (struct da_softc *)periph->softc; 1732 snprintf(tmpstr, sizeof(tmpstr), "CAM DA unit %d", periph->unit_number); 1733 snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number); 1734 1735 sysctl_ctx_init(&softc->sysctl_ctx); 1736 softc->flags |= DA_FLAG_SCTX_INIT; 1737 softc->sysctl_tree = SYSCTL_ADD_NODE(&softc->sysctl_ctx, 1738 SYSCTL_STATIC_CHILDREN(_kern_cam_da), OID_AUTO, tmpstr2, 1739 CTLFLAG_RD, 0, tmpstr); 1740 if (softc->sysctl_tree == NULL) { 1741 printf("dasysctlinit: unable to allocate sysctl tree\n"); 1742 cam_periph_release(periph); 1743 return; 1744 } 1745 1746 /* 1747 * Now register the sysctl handler, so the user can change the value on 1748 * the fly. 1749 */ 1750 SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1751 OID_AUTO, "delete_method", CTLTYPE_STRING | CTLFLAG_RW, 1752 softc, 0, dadeletemethodsysctl, "A", 1753 "BIO_DELETE execution method"); 1754 SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1755 OID_AUTO, "delete_max", CTLTYPE_U64 | CTLFLAG_RW, 1756 softc, 0, dadeletemaxsysctl, "Q", 1757 "Maximum BIO_DELETE size"); 1758 SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1759 OID_AUTO, "minimum_cmd_size", CTLTYPE_INT | CTLFLAG_RW, 1760 &softc->minimum_cmd_size, 0, dacmdsizesysctl, "I", 1761 "Minimum CDB size"); 1762 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1763 OID_AUTO, "sort_io_queue", CTLFLAG_RW, &softc->sort_io_queue, 0, 1764 "Sort IO queue to try and optimise disk access patterns"); 1765 1766 SYSCTL_ADD_INT(&softc->sysctl_ctx, 1767 SYSCTL_CHILDREN(softc->sysctl_tree), 1768 OID_AUTO, 1769 "error_inject", 1770 CTLFLAG_RW, 1771 &softc->error_inject, 1772 0, 1773 "error_inject leaf"); 1774 1775 1776 /* 1777 * Add some addressing info. 1778 */ 1779 memset(&cts, 0, sizeof (cts)); 1780 xpt_setup_ccb(&cts.ccb_h, periph->path, CAM_PRIORITY_NONE); 1781 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 1782 cts.type = CTS_TYPE_CURRENT_SETTINGS; 1783 cam_periph_lock(periph); 1784 xpt_action((union ccb *)&cts); 1785 cam_periph_unlock(periph); 1786 if (cts.ccb_h.status != CAM_REQ_CMP) { 1787 cam_periph_release(periph); 1788 return; 1789 } 1790 if (cts.protocol == PROTO_SCSI && cts.transport == XPORT_FC) { 1791 struct ccb_trans_settings_fc *fc = &cts.xport_specific.fc; 1792 if (fc->valid & CTS_FC_VALID_WWPN) { 1793 softc->wwpn = fc->wwpn; 1794 SYSCTL_ADD_UQUAD(&softc->sysctl_ctx, 1795 SYSCTL_CHILDREN(softc->sysctl_tree), 1796 OID_AUTO, "wwpn", CTLFLAG_RD, 1797 &softc->wwpn, "World Wide Port Name"); 1798 } 1799 } 1800 cam_periph_release(periph); 1801} 1802 1803static int 1804dadeletemaxsysctl(SYSCTL_HANDLER_ARGS) 1805{ 1806 int error; 1807 uint64_t value; 1808 struct da_softc *softc; 1809 1810 softc = (struct da_softc *)arg1; 1811 1812 value = softc->disk->d_delmaxsize; 1813 error = sysctl_handle_64(oidp, &value, 0, req); 1814 if ((error != 0) || (req->newptr == NULL)) 1815 return (error); 1816 1817 /* only accept values smaller than the calculated value */ 1818 if (value > dadeletemaxsize(softc, softc->delete_method)) { 1819 return (EINVAL); 1820 } 1821 softc->disk->d_delmaxsize = value; 1822 1823 return (0); 1824} 1825 1826static int 1827dacmdsizesysctl(SYSCTL_HANDLER_ARGS) 1828{ 1829 int error, value; 1830 1831 value = *(int *)arg1; 1832 1833 error = sysctl_handle_int(oidp, &value, 0, req); 1834 1835 if ((error != 0) 1836 || (req->newptr == NULL)) 1837 return (error); 1838 1839 /* 1840 * Acceptable values here are 6, 10, 12 or 16. 1841 */ 1842 if (value < 6) 1843 value = 6; 1844 else if ((value > 6) 1845 && (value <= 10)) 1846 value = 10; 1847 else if ((value > 10) 1848 && (value <= 12)) 1849 value = 12; 1850 else if (value > 12) 1851 value = 16; 1852 1853 *(int *)arg1 = value; 1854 1855 return (0); 1856} 1857 1858static void 1859dadeletemethodset(struct da_softc *softc, da_delete_methods delete_method) 1860{ 1861 1862 1863 softc->delete_method = delete_method; 1864 softc->disk->d_delmaxsize = dadeletemaxsize(softc, delete_method); 1865 softc->delete_func = da_delete_functions[delete_method]; 1866 1867 if (softc->delete_method > DA_DELETE_DISABLE) 1868 softc->disk->d_flags |= DISKFLAG_CANDELETE; 1869 else 1870 softc->disk->d_flags &= ~DISKFLAG_CANDELETE; 1871} 1872 1873static off_t 1874dadeletemaxsize(struct da_softc *softc, da_delete_methods delete_method) 1875{ 1876 off_t sectors; 1877 1878 switch(delete_method) { 1879 case DA_DELETE_UNMAP: 1880 sectors = (off_t)softc->unmap_max_lba; 1881 break; 1882 case DA_DELETE_ATA_TRIM: 1883 sectors = (off_t)ATA_DSM_RANGE_MAX * softc->trim_max_ranges; 1884 break; 1885 case DA_DELETE_WS16: 1886 sectors = (off_t)min(softc->ws_max_blks, WS16_MAX_BLKS); 1887 break; 1888 case DA_DELETE_ZERO: 1889 case DA_DELETE_WS10: 1890 sectors = (off_t)min(softc->ws_max_blks, WS10_MAX_BLKS); 1891 break; 1892 default: 1893 return 0; 1894 } 1895 1896 return (off_t)softc->params.secsize * 1897 min(sectors, (off_t)softc->params.sectors); 1898} 1899 1900static void 1901daprobedone(struct cam_periph *periph, union ccb *ccb) 1902{ 1903 struct da_softc *softc; 1904 1905 softc = (struct da_softc *)periph->softc; 1906 1907 dadeletemethodchoose(softc, DA_DELETE_NONE); 1908 1909 if (bootverbose && (softc->flags & DA_FLAG_ANNOUNCED) == 0) { 1910 char buf[80]; 1911 int i, sep; 1912 1913 snprintf(buf, sizeof(buf), "Delete methods: <"); 1914 sep = 0; 1915 for (i = DA_DELETE_MIN; i <= DA_DELETE_MAX; i++) { 1916 if (softc->delete_available & (1 << i)) { 1917 if (sep) { 1918 strlcat(buf, ",", sizeof(buf)); 1919 } else { 1920 sep = 1; 1921 } 1922 strlcat(buf, da_delete_method_names[i], 1923 sizeof(buf)); 1924 if (i == softc->delete_method) { 1925 strlcat(buf, "(*)", sizeof(buf)); 1926 } 1927 } 1928 } 1929 if (sep == 0) { 1930 if (softc->delete_method == DA_DELETE_NONE) 1931 strlcat(buf, "NONE(*)", sizeof(buf)); 1932 else 1933 strlcat(buf, "DISABLED(*)", sizeof(buf)); 1934 } 1935 strlcat(buf, ">", sizeof(buf)); 1936 printf("%s%d: %s\n", periph->periph_name, 1937 periph->unit_number, buf); 1938 } 1939 1940 /* 1941 * Since our peripheral may be invalidated by an error 1942 * above or an external event, we must release our CCB 1943 * before releasing the probe lock on the peripheral. 1944 * The peripheral will only go away once the last lock 1945 * is removed, and we need it around for the CCB release 1946 * operation. 1947 */ 1948 xpt_release_ccb(ccb); 1949 softc->state = DA_STATE_NORMAL; 1950 softc->flags |= DA_FLAG_PROBED; 1951 daschedule(periph); 1952 wakeup(&softc->disk->d_mediasize); 1953 if ((softc->flags & DA_FLAG_ANNOUNCED) == 0) { 1954 softc->flags |= DA_FLAG_ANNOUNCED; 1955 cam_periph_unhold(periph); 1956 } else 1957 cam_periph_release_locked(periph); 1958} 1959 1960static void 1961dadeletemethodchoose(struct da_softc *softc, da_delete_methods default_method) 1962{ 1963 int i, delete_method; 1964 1965 delete_method = default_method; 1966 1967 /* 1968 * Use the pre-defined order to choose the best 1969 * performing delete. 1970 */ 1971 for (i = DA_DELETE_MIN; i <= DA_DELETE_MAX; i++) { 1972 if (softc->delete_available & (1 << i)) { 1973 dadeletemethodset(softc, i); 1974 return; 1975 } 1976 } 1977 dadeletemethodset(softc, delete_method); 1978} 1979 1980static int 1981dadeletemethodsysctl(SYSCTL_HANDLER_ARGS) 1982{ 1983 char buf[16]; 1984 const char *p; 1985 struct da_softc *softc; 1986 int i, error, methods, value; 1987 1988 softc = (struct da_softc *)arg1; 1989 1990 value = softc->delete_method; 1991 if (value < 0 || value > DA_DELETE_MAX) 1992 p = "UNKNOWN"; 1993 else 1994 p = da_delete_method_names[value]; 1995 strncpy(buf, p, sizeof(buf)); 1996 error = sysctl_handle_string(oidp, buf, sizeof(buf), req); 1997 if (error != 0 || req->newptr == NULL) 1998 return (error); 1999 methods = softc->delete_available | (1 << DA_DELETE_DISABLE); 2000 for (i = 0; i <= DA_DELETE_MAX; i++) { 2001 if (!(methods & (1 << i)) || 2002 strcmp(buf, da_delete_method_names[i]) != 0) 2003 continue; 2004 dadeletemethodset(softc, i); 2005 return (0); 2006 } 2007 return (EINVAL); 2008} 2009 2010static cam_status 2011daregister(struct cam_periph *periph, void *arg) 2012{ 2013 struct da_softc *softc; 2014 struct ccb_pathinq cpi; 2015 struct ccb_getdev *cgd; 2016 char tmpstr[80]; 2017 caddr_t match; 2018 2019 cgd = (struct ccb_getdev *)arg; 2020 if (cgd == NULL) { 2021 printf("daregister: no getdev CCB, can't register device\n"); 2022 return(CAM_REQ_CMP_ERR); 2023 } 2024 2025 softc = (struct da_softc *)malloc(sizeof(*softc), M_DEVBUF, 2026 M_NOWAIT|M_ZERO); 2027 2028 if (softc == NULL) { 2029 printf("daregister: Unable to probe new device. " 2030 "Unable to allocate softc\n"); 2031 return(CAM_REQ_CMP_ERR); 2032 } 2033 2034 LIST_INIT(&softc->pending_ccbs); 2035 softc->state = DA_STATE_PROBE_RC; 2036 bioq_init(&softc->bio_queue); 2037 bioq_init(&softc->delete_queue); 2038 bioq_init(&softc->delete_run_queue); 2039 if (SID_IS_REMOVABLE(&cgd->inq_data)) 2040 softc->flags |= DA_FLAG_PACK_REMOVABLE; 2041 softc->unmap_max_ranges = UNMAP_MAX_RANGES; 2042 softc->unmap_max_lba = UNMAP_RANGE_MAX; 2043 softc->ws_max_blks = WS16_MAX_BLKS; 2044 softc->trim_max_ranges = ATA_TRIM_MAX_RANGES; 2045 softc->sort_io_queue = -1; 2046 2047 periph->softc = softc; 2048 2049 /* 2050 * See if this device has any quirks. 2051 */ 2052 match = cam_quirkmatch((caddr_t)&cgd->inq_data, 2053 (caddr_t)da_quirk_table, 2054 sizeof(da_quirk_table)/sizeof(*da_quirk_table), 2055 sizeof(*da_quirk_table), scsi_inquiry_match); 2056 2057 if (match != NULL) 2058 softc->quirks = ((struct da_quirk_entry *)match)->quirks; 2059 else 2060 softc->quirks = DA_Q_NONE; 2061 2062 /* Check if the SIM does not want 6 byte commands */ 2063 bzero(&cpi, sizeof(cpi)); 2064 xpt_setup_ccb(&cpi.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 2065 cpi.ccb_h.func_code = XPT_PATH_INQ; 2066 xpt_action((union ccb *)&cpi); 2067 if (cpi.ccb_h.status == CAM_REQ_CMP && (cpi.hba_misc & PIM_NO_6_BYTE)) 2068 softc->quirks |= DA_Q_NO_6_BYTE; 2069 2070 TASK_INIT(&softc->sysctl_task, 0, dasysctlinit, periph); 2071 2072 /* 2073 * Take an exclusive refcount on the periph while dastart is called 2074 * to finish the probe. The reference will be dropped in dadone at 2075 * the end of probe. 2076 */ 2077 (void)cam_periph_hold(periph, PRIBIO); 2078 2079 /* 2080 * Schedule a periodic event to occasionally send an 2081 * ordered tag to a device. 2082 */ 2083 callout_init_mtx(&softc->sendordered_c, cam_periph_mtx(periph), 0); 2084 callout_reset(&softc->sendordered_c, 2085 (da_default_timeout * hz) / DA_ORDEREDTAG_INTERVAL, 2086 dasendorderedtag, softc); 2087 2088 cam_periph_unlock(periph); 2089 /* 2090 * RBC devices don't have to support READ(6), only READ(10). 2091 */ 2092 if (softc->quirks & DA_Q_NO_6_BYTE || SID_TYPE(&cgd->inq_data) == T_RBC) 2093 softc->minimum_cmd_size = 10; 2094 else 2095 softc->minimum_cmd_size = 6; 2096 2097 /* 2098 * Load the user's default, if any. 2099 */ 2100 snprintf(tmpstr, sizeof(tmpstr), "kern.cam.da.%d.minimum_cmd_size", 2101 periph->unit_number); 2102 TUNABLE_INT_FETCH(tmpstr, &softc->minimum_cmd_size); 2103 2104 /* 2105 * 6, 10, 12 and 16 are the currently permissible values. 2106 */ 2107 if (softc->minimum_cmd_size < 6) 2108 softc->minimum_cmd_size = 6; 2109 else if ((softc->minimum_cmd_size > 6) 2110 && (softc->minimum_cmd_size <= 10)) 2111 softc->minimum_cmd_size = 10; 2112 else if ((softc->minimum_cmd_size > 10) 2113 && (softc->minimum_cmd_size <= 12)) 2114 softc->minimum_cmd_size = 12; 2115 else if (softc->minimum_cmd_size > 12) 2116 softc->minimum_cmd_size = 16; 2117 2118 /* Predict whether device may support READ CAPACITY(16). */ 2119 if (SID_ANSI_REV(&cgd->inq_data) >= SCSI_REV_SPC3 && 2120 (softc->quirks & DA_Q_NO_RC16) == 0) { 2121 softc->flags |= DA_FLAG_CAN_RC16; 2122 softc->state = DA_STATE_PROBE_RC16; 2123 } 2124 2125 /* 2126 * Register this media as a disk. 2127 */ 2128 softc->disk = disk_alloc(); 2129 softc->disk->d_devstat = devstat_new_entry(periph->periph_name, 2130 periph->unit_number, 0, 2131 DEVSTAT_BS_UNAVAILABLE, 2132 SID_TYPE(&cgd->inq_data) | 2133 XPORT_DEVSTAT_TYPE(cpi.transport), 2134 DEVSTAT_PRIORITY_DISK); 2135 softc->disk->d_open = daopen; 2136 softc->disk->d_close = daclose; 2137 softc->disk->d_strategy = dastrategy; 2138 softc->disk->d_dump = dadump; 2139 softc->disk->d_getattr = dagetattr; 2140 softc->disk->d_gone = dadiskgonecb; 2141 softc->disk->d_name = "da"; 2142 softc->disk->d_drv1 = periph; 2143 if (cpi.maxio == 0) 2144 softc->maxio = DFLTPHYS; /* traditional default */ 2145 else if (cpi.maxio > MAXPHYS) 2146 softc->maxio = MAXPHYS; /* for safety */ 2147 else 2148 softc->maxio = cpi.maxio; 2149 softc->disk->d_maxsize = softc->maxio; 2150 softc->disk->d_unit = periph->unit_number; 2151 softc->disk->d_flags = DISKFLAG_DIRECT_COMPLETION; 2152 if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) 2153 softc->disk->d_flags |= DISKFLAG_CANFLUSHCACHE; 2154 if ((cpi.hba_misc & PIM_UNMAPPED) != 0) 2155 softc->disk->d_flags |= DISKFLAG_UNMAPPED_BIO; 2156 cam_strvis(softc->disk->d_descr, cgd->inq_data.vendor, 2157 sizeof(cgd->inq_data.vendor), sizeof(softc->disk->d_descr)); 2158 strlcat(softc->disk->d_descr, " ", sizeof(softc->disk->d_descr)); 2159 cam_strvis(&softc->disk->d_descr[strlen(softc->disk->d_descr)], 2160 cgd->inq_data.product, sizeof(cgd->inq_data.product), 2161 sizeof(softc->disk->d_descr) - strlen(softc->disk->d_descr)); 2162 softc->disk->d_hba_vendor = cpi.hba_vendor; 2163 softc->disk->d_hba_device = cpi.hba_device; 2164 softc->disk->d_hba_subvendor = cpi.hba_subvendor; 2165 softc->disk->d_hba_subdevice = cpi.hba_subdevice; 2166 2167 /* 2168 * Acquire a reference to the periph before we register with GEOM. 2169 * We'll release this reference once GEOM calls us back (via 2170 * dadiskgonecb()) telling us that our provider has been freed. 2171 */ 2172 if (cam_periph_acquire(periph) != CAM_REQ_CMP) { 2173 xpt_print(periph->path, "%s: lost periph during " 2174 "registration!\n", __func__); 2175 cam_periph_lock(periph); 2176 return (CAM_REQ_CMP_ERR); 2177 } 2178 2179 disk_create(softc->disk, DISK_VERSION); 2180 cam_periph_lock(periph); 2181 2182 /* 2183 * Add async callbacks for events of interest. 2184 * I don't bother checking if this fails as, 2185 * in most cases, the system will function just 2186 * fine without them and the only alternative 2187 * would be to not attach the device on failure. 2188 */ 2189 xpt_register_async(AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE | 2190 AC_ADVINFO_CHANGED | AC_SCSI_AEN | AC_UNIT_ATTENTION, 2191 daasync, periph, periph->path); 2192 2193 /* 2194 * Emit an attribute changed notification just in case 2195 * physical path information arrived before our async 2196 * event handler was registered, but after anyone attaching 2197 * to our disk device polled it. 2198 */ 2199 disk_attr_changed(softc->disk, "GEOM::physpath", M_NOWAIT); 2200 2201 /* 2202 * Schedule a periodic media polling events. 2203 */ 2204 callout_init_mtx(&softc->mediapoll_c, cam_periph_mtx(periph), 0); 2205 if ((softc->flags & DA_FLAG_PACK_REMOVABLE) && 2206 (cgd->inq_flags & SID_AEN) == 0 && 2207 da_poll_period != 0) 2208 callout_reset(&softc->mediapoll_c, da_poll_period * hz, 2209 damediapoll, periph); 2210 2211 xpt_schedule(periph, CAM_PRIORITY_DEV); 2212 2213 return(CAM_REQ_CMP); 2214} 2215 2216static void 2217dastart(struct cam_periph *periph, union ccb *start_ccb) 2218{ 2219 struct da_softc *softc; 2220 2221 softc = (struct da_softc *)periph->softc; 2222 2223 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dastart\n")); 2224 2225skipstate: 2226 switch (softc->state) { 2227 case DA_STATE_NORMAL: 2228 { 2229 struct bio *bp; 2230 uint8_t tag_code; 2231 2232 /* Run BIO_DELETE if not running yet. */ 2233 if (!softc->delete_running && 2234 (bp = bioq_first(&softc->delete_queue)) != NULL) { 2235 if (softc->delete_func != NULL) { 2236 softc->delete_func(periph, start_ccb, bp); 2237 goto out; 2238 } else { 2239 bioq_flush(&softc->delete_queue, NULL, 0); 2240 /* FALLTHROUGH */ 2241 } 2242 } 2243 2244 /* Run regular command. */ 2245 bp = bioq_takefirst(&softc->bio_queue); 2246 if (bp == NULL) { 2247 if (softc->tur) { 2248 softc->tur = 0; 2249 scsi_test_unit_ready(&start_ccb->csio, 2250 /*retries*/ da_retry_count, 2251 dadone, 2252 MSG_SIMPLE_Q_TAG, 2253 SSD_FULL_SIZE, 2254 da_default_timeout * 1000); 2255 start_ccb->ccb_h.ccb_bp = NULL; 2256 start_ccb->ccb_h.ccb_state = DA_CCB_TUR; 2257 xpt_action(start_ccb); 2258 } else 2259 xpt_release_ccb(start_ccb); 2260 break; 2261 } 2262 if (softc->tur) { 2263 softc->tur = 0; 2264 cam_periph_release_locked(periph); 2265 } 2266 2267 if ((bp->bio_flags & BIO_ORDERED) != 0 || 2268 (softc->flags & DA_FLAG_NEED_OTAG) != 0) { 2269 softc->flags &= ~DA_FLAG_NEED_OTAG; 2270 softc->flags |= DA_FLAG_WAS_OTAG; 2271 tag_code = MSG_ORDERED_Q_TAG; 2272 } else { 2273 tag_code = MSG_SIMPLE_Q_TAG; 2274 } 2275 2276 switch (bp->bio_cmd) { 2277 case BIO_WRITE: 2278 softc->flags |= DA_FLAG_DIRTY; 2279 /* FALLTHROUGH */ 2280 case BIO_READ: 2281 scsi_read_write(&start_ccb->csio, 2282 /*retries*/da_retry_count, 2283 /*cbfcnp*/dadone, 2284 /*tag_action*/tag_code, 2285 /*read_op*/(bp->bio_cmd == BIO_READ ? 2286 SCSI_RW_READ : SCSI_RW_WRITE) | 2287 ((bp->bio_flags & BIO_UNMAPPED) != 0 ? 2288 SCSI_RW_BIO : 0), 2289 /*byte2*/0, 2290 softc->minimum_cmd_size, 2291 /*lba*/bp->bio_pblkno, 2292 /*block_count*/bp->bio_bcount / 2293 softc->params.secsize, 2294 /*data_ptr*/ (bp->bio_flags & 2295 BIO_UNMAPPED) != 0 ? (void *)bp : 2296 bp->bio_data, 2297 /*dxfer_len*/ bp->bio_bcount, 2298 /*sense_len*/SSD_FULL_SIZE, 2299 da_default_timeout * 1000); 2300 break; 2301 case BIO_FLUSH: 2302 /* 2303 * BIO_FLUSH doesn't currently communicate 2304 * range data, so we synchronize the cache 2305 * over the whole disk. We also force 2306 * ordered tag semantics the flush applies 2307 * to all previously queued I/O. 2308 */ 2309 scsi_synchronize_cache(&start_ccb->csio, 2310 /*retries*/1, 2311 /*cbfcnp*/dadone, 2312 MSG_ORDERED_Q_TAG, 2313 /*begin_lba*/0, 2314 /*lb_count*/0, 2315 SSD_FULL_SIZE, 2316 da_default_timeout*1000); 2317 break; 2318 } 2319 start_ccb->ccb_h.ccb_state = DA_CCB_BUFFER_IO; 2320 start_ccb->ccb_h.flags |= CAM_UNLOCKED; 2321 2322out: 2323 LIST_INSERT_HEAD(&softc->pending_ccbs, 2324 &start_ccb->ccb_h, periph_links.le); 2325 2326 /* We expect a unit attention from this device */ 2327 if ((softc->flags & DA_FLAG_RETRY_UA) != 0) { 2328 start_ccb->ccb_h.ccb_state |= DA_CCB_RETRY_UA; 2329 softc->flags &= ~DA_FLAG_RETRY_UA; 2330 } 2331 2332 start_ccb->ccb_h.ccb_bp = bp; 2333 softc->refcount++; 2334 cam_periph_unlock(periph); 2335 xpt_action(start_ccb); 2336 cam_periph_lock(periph); 2337 softc->refcount--; 2338 2339 /* May have more work to do, so ensure we stay scheduled */ 2340 daschedule(periph); 2341 break; 2342 } 2343 case DA_STATE_PROBE_RC: 2344 { 2345 struct scsi_read_capacity_data *rcap; 2346 2347 rcap = (struct scsi_read_capacity_data *) 2348 malloc(sizeof(*rcap), M_SCSIDA, M_NOWAIT|M_ZERO); 2349 if (rcap == NULL) { 2350 printf("dastart: Couldn't malloc read_capacity data\n"); 2351 /* da_free_periph??? */ 2352 break; 2353 } 2354 scsi_read_capacity(&start_ccb->csio, 2355 /*retries*/da_retry_count, 2356 dadone, 2357 MSG_SIMPLE_Q_TAG, 2358 rcap, 2359 SSD_FULL_SIZE, 2360 /*timeout*/5000); 2361 start_ccb->ccb_h.ccb_bp = NULL; 2362 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_RC; 2363 xpt_action(start_ccb); 2364 break; 2365 } 2366 case DA_STATE_PROBE_RC16: 2367 { 2368 struct scsi_read_capacity_data_long *rcaplong; 2369 2370 rcaplong = (struct scsi_read_capacity_data_long *) 2371 malloc(sizeof(*rcaplong), M_SCSIDA, M_NOWAIT|M_ZERO); 2372 if (rcaplong == NULL) { 2373 printf("dastart: Couldn't malloc read_capacity data\n"); 2374 /* da_free_periph??? */ 2375 break; 2376 } 2377 scsi_read_capacity_16(&start_ccb->csio, 2378 /*retries*/ da_retry_count, 2379 /*cbfcnp*/ dadone, 2380 /*tag_action*/ MSG_SIMPLE_Q_TAG, 2381 /*lba*/ 0, 2382 /*reladr*/ 0, 2383 /*pmi*/ 0, 2384 /*rcap_buf*/ (uint8_t *)rcaplong, 2385 /*rcap_buf_len*/ sizeof(*rcaplong), 2386 /*sense_len*/ SSD_FULL_SIZE, 2387 /*timeout*/ da_default_timeout * 1000); 2388 start_ccb->ccb_h.ccb_bp = NULL; 2389 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_RC16; 2390 xpt_action(start_ccb); 2391 break; 2392 } 2393 case DA_STATE_PROBE_LBP: 2394 { 2395 struct scsi_vpd_logical_block_prov *lbp; 2396 2397 if (!scsi_vpd_supported_page(periph, SVPD_LBP)) { 2398 /* 2399 * If we get here we don't support any SBC-3 delete 2400 * methods with UNMAP as the Logical Block Provisioning 2401 * VPD page support is required for devices which 2402 * support it according to T10/1799-D Revision 31 2403 * however older revisions of the spec don't mandate 2404 * this so we currently don't remove these methods 2405 * from the available set. 2406 */ 2407 softc->state = DA_STATE_PROBE_BLK_LIMITS; 2408 goto skipstate; 2409 } 2410 2411 lbp = (struct scsi_vpd_logical_block_prov *) 2412 malloc(sizeof(*lbp), M_SCSIDA, M_NOWAIT|M_ZERO); 2413 2414 if (lbp == NULL) { 2415 printf("dastart: Couldn't malloc lbp data\n"); 2416 /* da_free_periph??? */ 2417 break; 2418 } 2419 2420 scsi_inquiry(&start_ccb->csio, 2421 /*retries*/da_retry_count, 2422 /*cbfcnp*/dadone, 2423 /*tag_action*/MSG_SIMPLE_Q_TAG, 2424 /*inq_buf*/(u_int8_t *)lbp, 2425 /*inq_len*/sizeof(*lbp), 2426 /*evpd*/TRUE, 2427 /*page_code*/SVPD_LBP, 2428 /*sense_len*/SSD_MIN_SIZE, 2429 /*timeout*/da_default_timeout * 1000); 2430 start_ccb->ccb_h.ccb_bp = NULL; 2431 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_LBP; 2432 xpt_action(start_ccb); 2433 break; 2434 } 2435 case DA_STATE_PROBE_BLK_LIMITS: 2436 { 2437 struct scsi_vpd_block_limits *block_limits; 2438 2439 if (!scsi_vpd_supported_page(periph, SVPD_BLOCK_LIMITS)) { 2440 /* Not supported skip to next probe */ 2441 softc->state = DA_STATE_PROBE_BDC; 2442 goto skipstate; 2443 } 2444 2445 block_limits = (struct scsi_vpd_block_limits *) 2446 malloc(sizeof(*block_limits), M_SCSIDA, M_NOWAIT|M_ZERO); 2447 2448 if (block_limits == NULL) { 2449 printf("dastart: Couldn't malloc block_limits data\n"); 2450 /* da_free_periph??? */ 2451 break; 2452 } 2453 2454 scsi_inquiry(&start_ccb->csio, 2455 /*retries*/da_retry_count, 2456 /*cbfcnp*/dadone, 2457 /*tag_action*/MSG_SIMPLE_Q_TAG, 2458 /*inq_buf*/(u_int8_t *)block_limits, 2459 /*inq_len*/sizeof(*block_limits), 2460 /*evpd*/TRUE, 2461 /*page_code*/SVPD_BLOCK_LIMITS, 2462 /*sense_len*/SSD_MIN_SIZE, 2463 /*timeout*/da_default_timeout * 1000); 2464 start_ccb->ccb_h.ccb_bp = NULL; 2465 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_BLK_LIMITS; 2466 xpt_action(start_ccb); 2467 break; 2468 } 2469 case DA_STATE_PROBE_BDC: 2470 { 2471 struct scsi_vpd_block_characteristics *bdc; 2472 2473 if (!scsi_vpd_supported_page(periph, SVPD_BDC)) { 2474 softc->state = DA_STATE_PROBE_ATA; 2475 goto skipstate; 2476 } 2477 2478 bdc = (struct scsi_vpd_block_characteristics *) 2479 malloc(sizeof(*bdc), M_SCSIDA, M_NOWAIT|M_ZERO); 2480 2481 if (bdc == NULL) { 2482 printf("dastart: Couldn't malloc bdc data\n"); 2483 /* da_free_periph??? */ 2484 break; 2485 } 2486 2487 scsi_inquiry(&start_ccb->csio, 2488 /*retries*/da_retry_count, 2489 /*cbfcnp*/dadone, 2490 /*tag_action*/MSG_SIMPLE_Q_TAG, 2491 /*inq_buf*/(u_int8_t *)bdc, 2492 /*inq_len*/sizeof(*bdc), 2493 /*evpd*/TRUE, 2494 /*page_code*/SVPD_BDC, 2495 /*sense_len*/SSD_MIN_SIZE, 2496 /*timeout*/da_default_timeout * 1000); 2497 start_ccb->ccb_h.ccb_bp = NULL; 2498 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_BDC; 2499 xpt_action(start_ccb); 2500 break; 2501 } 2502 case DA_STATE_PROBE_ATA: 2503 { 2504 struct ata_params *ata_params; 2505 2506 if (!scsi_vpd_supported_page(periph, SVPD_ATA_INFORMATION)) { 2507 daprobedone(periph, start_ccb); 2508 break; 2509 } 2510 2511 ata_params = (struct ata_params*) 2512 malloc(sizeof(*ata_params), M_SCSIDA, M_NOWAIT|M_ZERO); 2513 2514 if (ata_params == NULL) { 2515 printf("dastart: Couldn't malloc ata_params data\n"); 2516 /* da_free_periph??? */ 2517 break; 2518 } 2519 2520 scsi_ata_identify(&start_ccb->csio, 2521 /*retries*/da_retry_count, 2522 /*cbfcnp*/dadone, 2523 /*tag_action*/MSG_SIMPLE_Q_TAG, 2524 /*data_ptr*/(u_int8_t *)ata_params, 2525 /*dxfer_len*/sizeof(*ata_params), 2526 /*sense_len*/SSD_FULL_SIZE, 2527 /*timeout*/da_default_timeout * 1000); 2528 start_ccb->ccb_h.ccb_bp = NULL; 2529 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_ATA; 2530 xpt_action(start_ccb); 2531 break; 2532 } 2533 } 2534} 2535 2536/* 2537 * In each of the methods below, while its the caller's 2538 * responsibility to ensure the request will fit into a 2539 * single device request, we might have changed the delete 2540 * method due to the device incorrectly advertising either 2541 * its supported methods or limits. 2542 * 2543 * To prevent this causing further issues we validate the 2544 * against the methods limits, and warn which would 2545 * otherwise be unnecessary. 2546 */ 2547static void 2548da_delete_unmap(struct cam_periph *periph, union ccb *ccb, struct bio *bp) 2549{ 2550 struct da_softc *softc = (struct da_softc *)periph->softc;; 2551 struct bio *bp1; 2552 uint8_t *buf = softc->unmap_buf; 2553 uint64_t lba, lastlba = (uint64_t)-1; 2554 uint64_t totalcount = 0; 2555 uint64_t count; 2556 uint32_t lastcount = 0, c; 2557 uint32_t off, ranges = 0; 2558 2559 /* 2560 * Currently this doesn't take the UNMAP 2561 * Granularity and Granularity Alignment 2562 * fields into account. 2563 * 2564 * This could result in both unoptimal unmap 2565 * requests as as well as UNMAP calls unmapping 2566 * fewer LBA's than requested. 2567 */ 2568 2569 softc->delete_running = 1; 2570 bzero(softc->unmap_buf, sizeof(softc->unmap_buf)); 2571 bp1 = bp; 2572 do { 2573 bioq_remove(&softc->delete_queue, bp1); 2574 if (bp1 != bp) 2575 bioq_insert_tail(&softc->delete_run_queue, bp1); 2576 lba = bp1->bio_pblkno; 2577 count = bp1->bio_bcount / softc->params.secsize; 2578 2579 /* Try to extend the previous range. */ 2580 if (lba == lastlba) { 2581 c = omin(count, UNMAP_RANGE_MAX - lastcount); 2582 lastcount += c; 2583 off = ((ranges - 1) * UNMAP_RANGE_SIZE) + 2584 UNMAP_HEAD_SIZE; 2585 scsi_ulto4b(lastcount, &buf[off + 8]); 2586 count -= c; 2587 lba +=c; 2588 totalcount += c; 2589 } 2590 2591 while (count > 0) { 2592 c = omin(count, UNMAP_RANGE_MAX); 2593 if (totalcount + c > softc->unmap_max_lba || 2594 ranges >= softc->unmap_max_ranges) { 2595 xpt_print(periph->path, 2596 "%s issuing short delete %ld > %ld" 2597 "|| %d >= %d", 2598 da_delete_method_desc[softc->delete_method], 2599 totalcount + c, softc->unmap_max_lba, 2600 ranges, softc->unmap_max_ranges); 2601 break; 2602 } 2603 off = (ranges * UNMAP_RANGE_SIZE) + UNMAP_HEAD_SIZE; 2604 scsi_u64to8b(lba, &buf[off + 0]); 2605 scsi_ulto4b(c, &buf[off + 8]); 2606 lba += c; 2607 totalcount += c; 2608 ranges++; 2609 count -= c; 2610 lastcount = c; 2611 } 2612 lastlba = lba; 2613 bp1 = bioq_first(&softc->delete_queue); 2614 if (bp1 == NULL || ranges >= softc->unmap_max_ranges || 2615 totalcount + bp1->bio_bcount / 2616 softc->params.secsize > softc->unmap_max_lba) 2617 break; 2618 } while (1); 2619 scsi_ulto2b(ranges * 16 + 6, &buf[0]); 2620 scsi_ulto2b(ranges * 16, &buf[2]); 2621 2622 scsi_unmap(&ccb->csio, 2623 /*retries*/da_retry_count, 2624 /*cbfcnp*/dadone, 2625 /*tag_action*/MSG_SIMPLE_Q_TAG, 2626 /*byte2*/0, 2627 /*data_ptr*/ buf, 2628 /*dxfer_len*/ ranges * 16 + 8, 2629 /*sense_len*/SSD_FULL_SIZE, 2630 da_default_timeout * 1000); 2631 ccb->ccb_h.ccb_state = DA_CCB_DELETE; 2632 ccb->ccb_h.flags |= CAM_UNLOCKED; 2633} 2634 2635static void 2636da_delete_trim(struct cam_periph *periph, union ccb *ccb, struct bio *bp) 2637{ 2638 struct da_softc *softc = (struct da_softc *)periph->softc; 2639 struct bio *bp1; 2640 uint8_t *buf = softc->unmap_buf; 2641 uint64_t lastlba = (uint64_t)-1; 2642 uint64_t count; 2643 uint64_t lba; 2644 uint32_t lastcount = 0, c, requestcount; 2645 int ranges = 0, off, block_count; 2646 2647 softc->delete_running = 1; 2648 bzero(softc->unmap_buf, sizeof(softc->unmap_buf)); 2649 bp1 = bp; 2650 do { 2651 bioq_remove(&softc->delete_queue, bp1); 2652 if (bp1 != bp) 2653 bioq_insert_tail(&softc->delete_run_queue, bp1); 2654 lba = bp1->bio_pblkno; 2655 count = bp1->bio_bcount / softc->params.secsize; 2656 requestcount = count; 2657 2658 /* Try to extend the previous range. */ 2659 if (lba == lastlba) { 2660 c = min(count, ATA_DSM_RANGE_MAX - lastcount); 2661 lastcount += c; 2662 off = (ranges - 1) * 8; 2663 buf[off + 6] = lastcount & 0xff; 2664 buf[off + 7] = (lastcount >> 8) & 0xff; 2665 count -= c; 2666 lba += c; 2667 } 2668 2669 while (count > 0) { 2670 c = min(count, ATA_DSM_RANGE_MAX); 2671 off = ranges * 8; 2672 2673 buf[off + 0] = lba & 0xff; 2674 buf[off + 1] = (lba >> 8) & 0xff; 2675 buf[off + 2] = (lba >> 16) & 0xff; 2676 buf[off + 3] = (lba >> 24) & 0xff; 2677 buf[off + 4] = (lba >> 32) & 0xff; 2678 buf[off + 5] = (lba >> 40) & 0xff; 2679 buf[off + 6] = c & 0xff; 2680 buf[off + 7] = (c >> 8) & 0xff; 2681 lba += c; 2682 ranges++; 2683 count -= c; 2684 lastcount = c; 2685 if (count != 0 && ranges == softc->trim_max_ranges) { 2686 xpt_print(periph->path, 2687 "%s issuing short delete %ld > %ld\n", 2688 da_delete_method_desc[softc->delete_method], 2689 requestcount, 2690 (softc->trim_max_ranges - ranges) * 2691 ATA_DSM_RANGE_MAX); 2692 break; 2693 } 2694 } 2695 lastlba = lba; 2696 bp1 = bioq_first(&softc->delete_queue); 2697 if (bp1 == NULL || bp1->bio_bcount / softc->params.secsize > 2698 (softc->trim_max_ranges - ranges) * ATA_DSM_RANGE_MAX) 2699 break; 2700 } while (1); 2701 2702 block_count = (ranges + ATA_DSM_BLK_RANGES - 1) / ATA_DSM_BLK_RANGES; 2703 scsi_ata_trim(&ccb->csio, 2704 /*retries*/da_retry_count, 2705 /*cbfcnp*/dadone, 2706 /*tag_action*/MSG_SIMPLE_Q_TAG, 2707 block_count, 2708 /*data_ptr*/buf, 2709 /*dxfer_len*/block_count * ATA_DSM_BLK_SIZE, 2710 /*sense_len*/SSD_FULL_SIZE, 2711 da_default_timeout * 1000); 2712 ccb->ccb_h.ccb_state = DA_CCB_DELETE; 2713 ccb->ccb_h.flags |= CAM_UNLOCKED; 2714} 2715 2716/* 2717 * We calculate ws_max_blks here based off d_delmaxsize instead 2718 * of using softc->ws_max_blks as it is absolute max for the 2719 * device not the protocol max which may well be lower. 2720 */ 2721static void 2722da_delete_ws(struct cam_periph *periph, union ccb *ccb, struct bio *bp) 2723{ 2724 struct da_softc *softc; 2725 struct bio *bp1; 2726 uint64_t ws_max_blks; 2727 uint64_t lba; 2728 uint64_t count; /* forward compat with WS32 */ 2729 2730 softc = (struct da_softc *)periph->softc; 2731 ws_max_blks = softc->disk->d_delmaxsize / softc->params.secsize; 2732 softc->delete_running = 1; 2733 lba = bp->bio_pblkno; 2734 count = 0; 2735 bp1 = bp; 2736 do { 2737 bioq_remove(&softc->delete_queue, bp1); 2738 if (bp1 != bp) 2739 bioq_insert_tail(&softc->delete_run_queue, bp1); 2740 count += bp1->bio_bcount / softc->params.secsize; 2741 if (count > ws_max_blks) { 2742 xpt_print(periph->path, 2743 "%s issuing short delete %ld > %ld\n", 2744 da_delete_method_desc[softc->delete_method], 2745 count, ws_max_blks); 2746 count = min(count, ws_max_blks); 2747 break; 2748 } 2749 bp1 = bioq_first(&softc->delete_queue); 2750 if (bp1 == NULL || lba + count != bp1->bio_pblkno || 2751 count + bp1->bio_bcount / 2752 softc->params.secsize > ws_max_blks) 2753 break; 2754 } while (1); 2755 2756 scsi_write_same(&ccb->csio, 2757 /*retries*/da_retry_count, 2758 /*cbfcnp*/dadone, 2759 /*tag_action*/MSG_SIMPLE_Q_TAG, 2760 /*byte2*/softc->delete_method == 2761 DA_DELETE_ZERO ? 0 : SWS_UNMAP, 2762 softc->delete_method == DA_DELETE_WS16 ? 16 : 10, 2763 /*lba*/lba, 2764 /*block_count*/count, 2765 /*data_ptr*/ __DECONST(void *, zero_region), 2766 /*dxfer_len*/ softc->params.secsize, 2767 /*sense_len*/SSD_FULL_SIZE, 2768 da_default_timeout * 1000); 2769 ccb->ccb_h.ccb_state = DA_CCB_DELETE; 2770 ccb->ccb_h.flags |= CAM_UNLOCKED; 2771} 2772 2773static int 2774cmd6workaround(union ccb *ccb) 2775{ 2776 struct scsi_rw_6 cmd6; 2777 struct scsi_rw_10 *cmd10; 2778 struct da_softc *softc; 2779 u_int8_t *cdb; 2780 struct bio *bp; 2781 int frozen; 2782 2783 cdb = ccb->csio.cdb_io.cdb_bytes; 2784 softc = (struct da_softc *)xpt_path_periph(ccb->ccb_h.path)->softc; 2785 2786 if (ccb->ccb_h.ccb_state == DA_CCB_DELETE) { 2787 da_delete_methods old_method = softc->delete_method; 2788 2789 /* 2790 * Typically there are two reasons for failure here 2791 * 1. Delete method was detected as supported but isn't 2792 * 2. Delete failed due to invalid params e.g. too big 2793 * 2794 * While we will attempt to choose an alternative delete method 2795 * this may result in short deletes if the existing delete 2796 * requests from geom are big for the new method choosen. 2797 * 2798 * This method assumes that the error which triggered this 2799 * will not retry the io otherwise a panic will occur 2800 */ 2801 dadeleteflag(softc, old_method, 0); 2802 dadeletemethodchoose(softc, DA_DELETE_DISABLE); 2803 if (softc->delete_method == DA_DELETE_DISABLE) 2804 xpt_print(ccb->ccb_h.path, 2805 "%s failed, disabling BIO_DELETE\n", 2806 da_delete_method_desc[old_method]); 2807 else 2808 xpt_print(ccb->ccb_h.path, 2809 "%s failed, switching to %s BIO_DELETE\n", 2810 da_delete_method_desc[old_method], 2811 da_delete_method_desc[softc->delete_method]); 2812 2813 while ((bp = bioq_takefirst(&softc->delete_run_queue)) != NULL) 2814 bioq_disksort(&softc->delete_queue, bp); 2815 bioq_disksort(&softc->delete_queue, 2816 (struct bio *)ccb->ccb_h.ccb_bp); 2817 ccb->ccb_h.ccb_bp = NULL; 2818 return (0); 2819 } 2820 2821 /* Detect unsupported PREVENT ALLOW MEDIUM REMOVAL. */ 2822 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) == 0 && 2823 (*cdb == PREVENT_ALLOW) && 2824 (softc->quirks & DA_Q_NO_PREVENT) == 0) { 2825 if (bootverbose) 2826 xpt_print(ccb->ccb_h.path, 2827 "PREVENT ALLOW MEDIUM REMOVAL not supported.\n"); 2828 softc->quirks |= DA_Q_NO_PREVENT; 2829 return (0); 2830 } 2831 2832 /* Detect unsupported SYNCHRONIZE CACHE(10). */ 2833 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) == 0 && 2834 (*cdb == SYNCHRONIZE_CACHE) && 2835 (softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) { 2836 if (bootverbose) 2837 xpt_print(ccb->ccb_h.path, 2838 "SYNCHRONIZE CACHE(10) not supported.\n"); 2839 softc->quirks |= DA_Q_NO_SYNC_CACHE; 2840 softc->disk->d_flags &= ~DISKFLAG_CANFLUSHCACHE; 2841 return (0); 2842 } 2843 2844 /* Translation only possible if CDB is an array and cmd is R/W6 */ 2845 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0 || 2846 (*cdb != READ_6 && *cdb != WRITE_6)) 2847 return 0; 2848 2849 xpt_print(ccb->ccb_h.path, "READ(6)/WRITE(6) not supported, " 2850 "increasing minimum_cmd_size to 10.\n"); 2851 softc->minimum_cmd_size = 10; 2852 2853 bcopy(cdb, &cmd6, sizeof(struct scsi_rw_6)); 2854 cmd10 = (struct scsi_rw_10 *)cdb; 2855 cmd10->opcode = (cmd6.opcode == READ_6) ? READ_10 : WRITE_10; 2856 cmd10->byte2 = 0; 2857 scsi_ulto4b(scsi_3btoul(cmd6.addr), cmd10->addr); 2858 cmd10->reserved = 0; 2859 scsi_ulto2b(cmd6.length, cmd10->length); 2860 cmd10->control = cmd6.control; 2861 ccb->csio.cdb_len = sizeof(*cmd10); 2862 2863 /* Requeue request, unfreezing queue if necessary */ 2864 frozen = (ccb->ccb_h.status & CAM_DEV_QFRZN) != 0; 2865 ccb->ccb_h.status = CAM_REQUEUE_REQ; 2866 xpt_action(ccb); 2867 if (frozen) { 2868 cam_release_devq(ccb->ccb_h.path, 2869 /*relsim_flags*/0, 2870 /*reduction*/0, 2871 /*timeout*/0, 2872 /*getcount_only*/0); 2873 } 2874 return (ERESTART); 2875} 2876 2877static void 2878dadone(struct cam_periph *periph, union ccb *done_ccb) 2879{ 2880 struct da_softc *softc; 2881 struct ccb_scsiio *csio; 2882 u_int32_t priority; 2883 da_ccb_state state; 2884 2885 softc = (struct da_softc *)periph->softc; 2886 priority = done_ccb->ccb_h.pinfo.priority; 2887 2888 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone\n")); 2889 2890 csio = &done_ccb->csio; 2891 state = csio->ccb_h.ccb_state & DA_CCB_TYPE_MASK; 2892 switch (state) { 2893 case DA_CCB_BUFFER_IO: 2894 case DA_CCB_DELETE: 2895 { 2896 struct bio *bp, *bp1; 2897 2898 cam_periph_lock(periph); 2899 bp = (struct bio *)done_ccb->ccb_h.ccb_bp; 2900 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 2901 int error; 2902 int sf; 2903 2904 if ((csio->ccb_h.ccb_state & DA_CCB_RETRY_UA) != 0) 2905 sf = SF_RETRY_UA; 2906 else 2907 sf = 0; 2908 2909 error = daerror(done_ccb, CAM_RETRY_SELTO, sf); 2910 if (error == ERESTART) { 2911 /* 2912 * A retry was scheduled, so 2913 * just return. 2914 */ 2915 cam_periph_unlock(periph); 2916 return; 2917 } 2918 bp = (struct bio *)done_ccb->ccb_h.ccb_bp; 2919 if (error != 0) { 2920 int queued_error; 2921 2922 /* 2923 * return all queued I/O with EIO, so that 2924 * the client can retry these I/Os in the 2925 * proper order should it attempt to recover. 2926 */ 2927 queued_error = EIO; 2928 2929 if (error == ENXIO 2930 && (softc->flags & DA_FLAG_PACK_INVALID)== 0) { 2931 /* 2932 * Catastrophic error. Mark our pack as 2933 * invalid. 2934 */ 2935 /* 2936 * XXX See if this is really a media 2937 * XXX change first? 2938 */ 2939 xpt_print(periph->path, 2940 "Invalidating pack\n"); 2941 softc->flags |= DA_FLAG_PACK_INVALID; 2942 queued_error = ENXIO; 2943 } 2944 bioq_flush(&softc->bio_queue, NULL, 2945 queued_error); 2946 if (bp != NULL) { 2947 bp->bio_error = error; 2948 bp->bio_resid = bp->bio_bcount; 2949 bp->bio_flags |= BIO_ERROR; 2950 } 2951 } else if (bp != NULL) { 2952 if (state == DA_CCB_DELETE) 2953 bp->bio_resid = 0; 2954 else 2955 bp->bio_resid = csio->resid; 2956 bp->bio_error = 0; 2957 if (bp->bio_resid != 0) 2958 bp->bio_flags |= BIO_ERROR; 2959 } 2960 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 2961 cam_release_devq(done_ccb->ccb_h.path, 2962 /*relsim_flags*/0, 2963 /*reduction*/0, 2964 /*timeout*/0, 2965 /*getcount_only*/0); 2966 } else if (bp != NULL) { 2967 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 2968 panic("REQ_CMP with QFRZN"); 2969 if (state == DA_CCB_DELETE) 2970 bp->bio_resid = 0; 2971 else 2972 bp->bio_resid = csio->resid; 2973 if (csio->resid > 0) 2974 bp->bio_flags |= BIO_ERROR; 2975 if (softc->error_inject != 0) { 2976 bp->bio_error = softc->error_inject; 2977 bp->bio_resid = bp->bio_bcount; 2978 bp->bio_flags |= BIO_ERROR; 2979 softc->error_inject = 0; 2980 } 2981 } 2982 2983 LIST_REMOVE(&done_ccb->ccb_h, periph_links.le); 2984 if (LIST_EMPTY(&softc->pending_ccbs)) 2985 softc->flags |= DA_FLAG_WAS_OTAG; 2986 2987 xpt_release_ccb(done_ccb); 2988 if (state == DA_CCB_DELETE) { 2989 TAILQ_HEAD(, bio) queue; 2990 2991 TAILQ_INIT(&queue); 2992 TAILQ_CONCAT(&queue, &softc->delete_run_queue.queue, bio_queue); 2993 softc->delete_run_queue.insert_point = NULL; 2994 softc->delete_running = 0; 2995 daschedule(periph); 2996 cam_periph_unlock(periph); 2997 while ((bp1 = TAILQ_FIRST(&queue)) != NULL) { 2998 TAILQ_REMOVE(&queue, bp1, bio_queue); 2999 bp1->bio_error = bp->bio_error; 3000 if (bp->bio_flags & BIO_ERROR) { 3001 bp1->bio_flags |= BIO_ERROR; 3002 bp1->bio_resid = bp1->bio_bcount; 3003 } else 3004 bp1->bio_resid = 0; 3005 biodone(bp1); 3006 } 3007 } else 3008 cam_periph_unlock(periph); 3009 if (bp != NULL) 3010 biodone(bp); 3011 return; 3012 } 3013 case DA_CCB_PROBE_RC: 3014 case DA_CCB_PROBE_RC16: 3015 { 3016 struct scsi_read_capacity_data *rdcap; 3017 struct scsi_read_capacity_data_long *rcaplong; 3018 char announce_buf[80]; 3019 int lbp; 3020 3021 lbp = 0; 3022 rdcap = NULL; 3023 rcaplong = NULL; 3024 if (state == DA_CCB_PROBE_RC) 3025 rdcap =(struct scsi_read_capacity_data *)csio->data_ptr; 3026 else 3027 rcaplong = (struct scsi_read_capacity_data_long *) 3028 csio->data_ptr; 3029 3030 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 3031 struct disk_params *dp; 3032 uint32_t block_size; 3033 uint64_t maxsector; 3034 u_int lbppbe; /* LB per physical block exponent. */ 3035 u_int lalba; /* Lowest aligned LBA. */ 3036 3037 if (state == DA_CCB_PROBE_RC) { 3038 block_size = scsi_4btoul(rdcap->length); 3039 maxsector = scsi_4btoul(rdcap->addr); 3040 lbppbe = 0; 3041 lalba = 0; 3042 3043 /* 3044 * According to SBC-2, if the standard 10 3045 * byte READ CAPACITY command returns 2^32, 3046 * we should issue the 16 byte version of 3047 * the command, since the device in question 3048 * has more sectors than can be represented 3049 * with the short version of the command. 3050 */ 3051 if (maxsector == 0xffffffff) { 3052 free(rdcap, M_SCSIDA); 3053 xpt_release_ccb(done_ccb); 3054 softc->state = DA_STATE_PROBE_RC16; 3055 xpt_schedule(periph, priority); 3056 return; 3057 } 3058 } else { 3059 block_size = scsi_4btoul(rcaplong->length); 3060 maxsector = scsi_8btou64(rcaplong->addr); 3061 lbppbe = rcaplong->prot_lbppbe & SRC16_LBPPBE; 3062 lalba = scsi_2btoul(rcaplong->lalba_lbp); 3063 } 3064 3065 /* 3066 * Because GEOM code just will panic us if we 3067 * give them an 'illegal' value we'll avoid that 3068 * here. 3069 */ 3070 if (block_size == 0 && maxsector == 0) { 3071 block_size = 512; 3072 maxsector = -1; 3073 } 3074 if (block_size >= MAXPHYS || block_size == 0) { 3075 xpt_print(periph->path, 3076 "unsupportable block size %ju\n", 3077 (uintmax_t) block_size); 3078 announce_buf[0] = '\0'; 3079 cam_periph_invalidate(periph); 3080 } else { 3081 /* 3082 * We pass rcaplong into dasetgeom(), 3083 * because it will only use it if it is 3084 * non-NULL. 3085 */ 3086 dasetgeom(periph, block_size, maxsector, 3087 rcaplong, sizeof(*rcaplong)); 3088 lbp = (lalba & SRC16_LBPME_A); 3089 dp = &softc->params; 3090 snprintf(announce_buf, sizeof(announce_buf), 3091 "%juMB (%ju %u byte sectors: %dH %dS/T " 3092 "%dC)", (uintmax_t) 3093 (((uintmax_t)dp->secsize * 3094 dp->sectors) / (1024*1024)), 3095 (uintmax_t)dp->sectors, 3096 dp->secsize, dp->heads, 3097 dp->secs_per_track, dp->cylinders); 3098 } 3099 } else { 3100 int error; 3101 3102 announce_buf[0] = '\0'; 3103 3104 /* 3105 * Retry any UNIT ATTENTION type errors. They 3106 * are expected at boot. 3107 */ 3108 error = daerror(done_ccb, CAM_RETRY_SELTO, 3109 SF_RETRY_UA|SF_NO_PRINT); 3110 if (error == ERESTART) { 3111 /* 3112 * A retry was scheuled, so 3113 * just return. 3114 */ 3115 return; 3116 } else if (error != 0) { 3117 int asc, ascq; 3118 int sense_key, error_code; 3119 int have_sense; 3120 cam_status status; 3121 struct ccb_getdev cgd; 3122 3123 /* Don't wedge this device's queue */ 3124 status = done_ccb->ccb_h.status; 3125 if ((status & CAM_DEV_QFRZN) != 0) 3126 cam_release_devq(done_ccb->ccb_h.path, 3127 /*relsim_flags*/0, 3128 /*reduction*/0, 3129 /*timeout*/0, 3130 /*getcount_only*/0); 3131 3132 3133 xpt_setup_ccb(&cgd.ccb_h, 3134 done_ccb->ccb_h.path, 3135 CAM_PRIORITY_NORMAL); 3136 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 3137 xpt_action((union ccb *)&cgd); 3138 3139 if (scsi_extract_sense_ccb(done_ccb, 3140 &error_code, &sense_key, &asc, &ascq)) 3141 have_sense = TRUE; 3142 else 3143 have_sense = FALSE; 3144 3145 /* 3146 * If we tried READ CAPACITY(16) and failed, 3147 * fallback to READ CAPACITY(10). 3148 */ 3149 if ((state == DA_CCB_PROBE_RC16) && 3150 (softc->flags & DA_FLAG_CAN_RC16) && 3151 (((csio->ccb_h.status & CAM_STATUS_MASK) == 3152 CAM_REQ_INVALID) || 3153 ((have_sense) && 3154 (error_code == SSD_CURRENT_ERROR) && 3155 (sense_key == SSD_KEY_ILLEGAL_REQUEST)))) { 3156 softc->flags &= ~DA_FLAG_CAN_RC16; 3157 free(rdcap, M_SCSIDA); 3158 xpt_release_ccb(done_ccb); 3159 softc->state = DA_STATE_PROBE_RC; 3160 xpt_schedule(periph, priority); 3161 return; 3162 } else 3163 /* 3164 * Attach to anything that claims to be a 3165 * direct access or optical disk device, 3166 * as long as it doesn't return a "Logical 3167 * unit not supported" (0x25) error. 3168 */ 3169 if ((have_sense) && (asc != 0x25) 3170 && (error_code == SSD_CURRENT_ERROR)) { 3171 const char *sense_key_desc; 3172 const char *asc_desc; 3173 3174 dasetgeom(periph, 512, -1, NULL, 0); 3175 scsi_sense_desc(sense_key, asc, ascq, 3176 &cgd.inq_data, 3177 &sense_key_desc, 3178 &asc_desc); 3179 snprintf(announce_buf, 3180 sizeof(announce_buf), 3181 "Attempt to query device " 3182 "size failed: %s, %s", 3183 sense_key_desc, 3184 asc_desc); 3185 } else { 3186 if (have_sense) 3187 scsi_sense_print( 3188 &done_ccb->csio); 3189 else { 3190 xpt_print(periph->path, 3191 "got CAM status %#x\n", 3192 done_ccb->ccb_h.status); 3193 } 3194 3195 xpt_print(periph->path, "fatal error, " 3196 "failed to attach to device\n"); 3197 3198 /* 3199 * Free up resources. 3200 */ 3201 cam_periph_invalidate(periph); 3202 } 3203 } 3204 } 3205 free(csio->data_ptr, M_SCSIDA); 3206 if (announce_buf[0] != '\0' && 3207 ((softc->flags & DA_FLAG_ANNOUNCED) == 0)) { 3208 /* 3209 * Create our sysctl variables, now that we know 3210 * we have successfully attached. 3211 */ 3212 /* increase the refcount */ 3213 if (cam_periph_acquire(periph) == CAM_REQ_CMP) { 3214 taskqueue_enqueue(taskqueue_thread, 3215 &softc->sysctl_task); 3216 xpt_announce_periph(periph, announce_buf); 3217 xpt_announce_quirks(periph, softc->quirks, 3218 DA_Q_BIT_STRING); 3219 } else { 3220 xpt_print(periph->path, "fatal error, " 3221 "could not acquire reference count\n"); 3222 } 3223 } 3224 3225 /* We already probed the device. */ 3226 if (softc->flags & DA_FLAG_PROBED) { 3227 daprobedone(periph, done_ccb); 3228 return; 3229 } 3230 3231 /* Ensure re-probe doesn't see old delete. */ 3232 softc->delete_available = 0; 3233 if (lbp && (softc->quirks & DA_Q_NO_UNMAP) == 0) { 3234 /* 3235 * Based on older SBC-3 spec revisions 3236 * any of the UNMAP methods "may" be 3237 * available via LBP given this flag so 3238 * we flag all of them as availble and 3239 * then remove those which further 3240 * probes confirm aren't available 3241 * later. 3242 * 3243 * We could also check readcap(16) p_type 3244 * flag to exclude one or more invalid 3245 * write same (X) types here 3246 */ 3247 dadeleteflag(softc, DA_DELETE_WS16, 1); 3248 dadeleteflag(softc, DA_DELETE_WS10, 1); 3249 dadeleteflag(softc, DA_DELETE_ZERO, 1); 3250 dadeleteflag(softc, DA_DELETE_UNMAP, 1); 3251 3252 xpt_release_ccb(done_ccb); 3253 softc->state = DA_STATE_PROBE_LBP; 3254 xpt_schedule(periph, priority); 3255 return; 3256 } 3257 3258 xpt_release_ccb(done_ccb); 3259 softc->state = DA_STATE_PROBE_BDC; 3260 xpt_schedule(periph, priority); 3261 return; 3262 } 3263 case DA_CCB_PROBE_LBP: 3264 { 3265 struct scsi_vpd_logical_block_prov *lbp; 3266 3267 lbp = (struct scsi_vpd_logical_block_prov *)csio->data_ptr; 3268 3269 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 3270 /* 3271 * T10/1799-D Revision 31 states at least one of these 3272 * must be supported but we don't currently enforce this. 3273 */ 3274 dadeleteflag(softc, DA_DELETE_WS16, 3275 (lbp->flags & SVPD_LBP_WS16)); 3276 dadeleteflag(softc, DA_DELETE_WS10, 3277 (lbp->flags & SVPD_LBP_WS10)); 3278 dadeleteflag(softc, DA_DELETE_ZERO, 3279 (lbp->flags & SVPD_LBP_WS10)); 3280 dadeleteflag(softc, DA_DELETE_UNMAP, 3281 (lbp->flags & SVPD_LBP_UNMAP)); 3282 } else { 3283 int error; 3284 error = daerror(done_ccb, CAM_RETRY_SELTO, 3285 SF_RETRY_UA|SF_NO_PRINT); 3286 if (error == ERESTART) 3287 return; 3288 else if (error != 0) { 3289 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 3290 /* Don't wedge this device's queue */ 3291 cam_release_devq(done_ccb->ccb_h.path, 3292 /*relsim_flags*/0, 3293 /*reduction*/0, 3294 /*timeout*/0, 3295 /*getcount_only*/0); 3296 } 3297 3298 /* 3299 * Failure indicates we don't support any SBC-3 3300 * delete methods with UNMAP 3301 */ 3302 } 3303 } 3304 3305 free(lbp, M_SCSIDA); 3306 xpt_release_ccb(done_ccb); 3307 softc->state = DA_STATE_PROBE_BLK_LIMITS; 3308 xpt_schedule(periph, priority); 3309 return; 3310 } 3311 case DA_CCB_PROBE_BLK_LIMITS: 3312 { 3313 struct scsi_vpd_block_limits *block_limits; 3314 3315 block_limits = (struct scsi_vpd_block_limits *)csio->data_ptr; 3316 3317 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 3318 uint32_t max_txfer_len = scsi_4btoul( 3319 block_limits->max_txfer_len); 3320 uint32_t max_unmap_lba_cnt = scsi_4btoul( 3321 block_limits->max_unmap_lba_cnt); 3322 uint32_t max_unmap_blk_cnt = scsi_4btoul( 3323 block_limits->max_unmap_blk_cnt); 3324 uint64_t ws_max_blks = scsi_8btou64( 3325 block_limits->max_write_same_length); 3326 3327 if (max_txfer_len != 0) { 3328 softc->disk->d_maxsize = MIN(softc->maxio, 3329 (off_t)max_txfer_len * softc->params.secsize); 3330 } 3331 3332 /* 3333 * We should already support UNMAP but we check lba 3334 * and block count to be sure 3335 */ 3336 if (max_unmap_lba_cnt != 0x00L && 3337 max_unmap_blk_cnt != 0x00L) { 3338 softc->unmap_max_lba = max_unmap_lba_cnt; 3339 softc->unmap_max_ranges = min(max_unmap_blk_cnt, 3340 UNMAP_MAX_RANGES); 3341 } else { 3342 /* 3343 * Unexpected UNMAP limits which means the 3344 * device doesn't actually support UNMAP 3345 */ 3346 dadeleteflag(softc, DA_DELETE_UNMAP, 0); 3347 } 3348 3349 if (ws_max_blks != 0x00L) 3350 softc->ws_max_blks = ws_max_blks; 3351 } else { 3352 int error; 3353 error = daerror(done_ccb, CAM_RETRY_SELTO, 3354 SF_RETRY_UA|SF_NO_PRINT); 3355 if (error == ERESTART) 3356 return; 3357 else if (error != 0) { 3358 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 3359 /* Don't wedge this device's queue */ 3360 cam_release_devq(done_ccb->ccb_h.path, 3361 /*relsim_flags*/0, 3362 /*reduction*/0, 3363 /*timeout*/0, 3364 /*getcount_only*/0); 3365 } 3366 3367 /* 3368 * Failure here doesn't mean UNMAP is not 3369 * supported as this is an optional page. 3370 */ 3371 softc->unmap_max_lba = 1; 3372 softc->unmap_max_ranges = 1; 3373 } 3374 } 3375 3376 free(block_limits, M_SCSIDA); 3377 xpt_release_ccb(done_ccb); 3378 softc->state = DA_STATE_PROBE_BDC; 3379 xpt_schedule(periph, priority); 3380 return; 3381 } 3382 case DA_CCB_PROBE_BDC: 3383 { 3384 struct scsi_vpd_block_characteristics *bdc; 3385 3386 bdc = (struct scsi_vpd_block_characteristics *)csio->data_ptr; 3387 3388 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 3389 /* 3390 * Disable queue sorting for non-rotational media 3391 * by default. 3392 */ 3393 u_int old_rate = softc->disk->d_rotation_rate; 3394 3395 softc->disk->d_rotation_rate = 3396 scsi_2btoul(bdc->medium_rotation_rate); 3397 if (softc->disk->d_rotation_rate == 3398 SVPD_BDC_RATE_NON_ROTATING) { 3399 softc->sort_io_queue = 0; 3400 } 3401 if (softc->disk->d_rotation_rate != old_rate) { 3402 disk_attr_changed(softc->disk, 3403 "GEOM::rotation_rate", M_NOWAIT); 3404 } 3405 } else { 3406 int error; 3407 error = daerror(done_ccb, CAM_RETRY_SELTO, 3408 SF_RETRY_UA|SF_NO_PRINT); 3409 if (error == ERESTART) 3410 return; 3411 else if (error != 0) { 3412 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 3413 /* Don't wedge this device's queue */ 3414 cam_release_devq(done_ccb->ccb_h.path, 3415 /*relsim_flags*/0, 3416 /*reduction*/0, 3417 /*timeout*/0, 3418 /*getcount_only*/0); 3419 } 3420 } 3421 } 3422 3423 free(bdc, M_SCSIDA); 3424 xpt_release_ccb(done_ccb); 3425 softc->state = DA_STATE_PROBE_ATA; 3426 xpt_schedule(periph, priority); 3427 return; 3428 } 3429 case DA_CCB_PROBE_ATA: 3430 { 3431 int i; 3432 struct ata_params *ata_params; 3433 int16_t *ptr; 3434 3435 ata_params = (struct ata_params *)csio->data_ptr; 3436 ptr = (uint16_t *)ata_params; 3437 3438 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 3439 uint16_t old_rate; 3440 3441 for (i = 0; i < sizeof(*ata_params) / 2; i++) 3442 ptr[i] = le16toh(ptr[i]); 3443 if (ata_params->support_dsm & ATA_SUPPORT_DSM_TRIM && 3444 (softc->quirks & DA_Q_NO_UNMAP) == 0) { 3445 dadeleteflag(softc, DA_DELETE_ATA_TRIM, 1); 3446 if (ata_params->max_dsm_blocks != 0) 3447 softc->trim_max_ranges = min( 3448 softc->trim_max_ranges, 3449 ata_params->max_dsm_blocks * 3450 ATA_DSM_BLK_RANGES); 3451 } 3452 /* 3453 * Disable queue sorting for non-rotational media 3454 * by default. 3455 */ 3456 old_rate = softc->disk->d_rotation_rate; 3457 softc->disk->d_rotation_rate = 3458 ata_params->media_rotation_rate; 3459 if (softc->disk->d_rotation_rate == 3460 ATA_RATE_NON_ROTATING) { 3461 softc->sort_io_queue = 0; 3462 } 3463 3464 if (softc->disk->d_rotation_rate != old_rate) { 3465 disk_attr_changed(softc->disk, 3466 "GEOM::rotation_rate", M_NOWAIT); 3467 } 3468 } else { 3469 int error; 3470 error = daerror(done_ccb, CAM_RETRY_SELTO, 3471 SF_RETRY_UA|SF_NO_PRINT); 3472 if (error == ERESTART) 3473 return; 3474 else if (error != 0) { 3475 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 3476 /* Don't wedge this device's queue */ 3477 cam_release_devq(done_ccb->ccb_h.path, 3478 /*relsim_flags*/0, 3479 /*reduction*/0, 3480 /*timeout*/0, 3481 /*getcount_only*/0); 3482 } 3483 } 3484 } 3485 3486 free(ata_params, M_SCSIDA); 3487 daprobedone(periph, done_ccb); 3488 return; 3489 } 3490 case DA_CCB_DUMP: 3491 /* No-op. We're polling */ 3492 return; 3493 case DA_CCB_TUR: 3494 { 3495 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 3496 3497 if (daerror(done_ccb, CAM_RETRY_SELTO, 3498 SF_RETRY_UA | SF_NO_RECOVERY | SF_NO_PRINT) == 3499 ERESTART) 3500 return; 3501 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 3502 cam_release_devq(done_ccb->ccb_h.path, 3503 /*relsim_flags*/0, 3504 /*reduction*/0, 3505 /*timeout*/0, 3506 /*getcount_only*/0); 3507 } 3508 xpt_release_ccb(done_ccb); 3509 cam_periph_release_locked(periph); 3510 return; 3511 } 3512 default: 3513 break; 3514 } 3515 xpt_release_ccb(done_ccb); 3516} 3517 3518static void 3519dareprobe(struct cam_periph *periph) 3520{ 3521 struct da_softc *softc; 3522 cam_status status; 3523 3524 softc = (struct da_softc *)periph->softc; 3525 3526 /* Probe in progress; don't interfere. */ 3527 if (softc->state != DA_STATE_NORMAL) 3528 return; 3529 3530 status = cam_periph_acquire(periph); 3531 KASSERT(status == CAM_REQ_CMP, 3532 ("dareprobe: cam_periph_acquire failed")); 3533 3534 if (softc->flags & DA_FLAG_CAN_RC16) 3535 softc->state = DA_STATE_PROBE_RC16; 3536 else 3537 softc->state = DA_STATE_PROBE_RC; 3538 3539 xpt_schedule(periph, CAM_PRIORITY_DEV); 3540} 3541 3542static int 3543daerror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags) 3544{ 3545 struct da_softc *softc; 3546 struct cam_periph *periph; 3547 int error, error_code, sense_key, asc, ascq; 3548 3549 periph = xpt_path_periph(ccb->ccb_h.path); 3550 softc = (struct da_softc *)periph->softc; 3551 3552 /* 3553 * Automatically detect devices that do not support 3554 * READ(6)/WRITE(6) and upgrade to using 10 byte cdbs. 3555 */ 3556 error = 0; 3557 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INVALID) { 3558 error = cmd6workaround(ccb); 3559 } else if (scsi_extract_sense_ccb(ccb, 3560 &error_code, &sense_key, &asc, &ascq)) { 3561 if (sense_key == SSD_KEY_ILLEGAL_REQUEST) 3562 error = cmd6workaround(ccb); 3563 /* 3564 * If the target replied with CAPACITY DATA HAS CHANGED UA, 3565 * query the capacity and notify upper layers. 3566 */ 3567 else if (sense_key == SSD_KEY_UNIT_ATTENTION && 3568 asc == 0x2A && ascq == 0x09) { 3569 xpt_print(periph->path, "Capacity data has changed\n"); 3570 softc->flags &= ~DA_FLAG_PROBED; 3571 dareprobe(periph); 3572 sense_flags |= SF_NO_PRINT; 3573 } else if (sense_key == SSD_KEY_UNIT_ATTENTION && 3574 asc == 0x28 && ascq == 0x00) { 3575 softc->flags &= ~DA_FLAG_PROBED; 3576 disk_media_changed(softc->disk, M_NOWAIT); 3577 } else if (sense_key == SSD_KEY_UNIT_ATTENTION && 3578 asc == 0x3F && ascq == 0x03) { 3579 xpt_print(periph->path, "INQUIRY data has changed\n"); 3580 softc->flags &= ~DA_FLAG_PROBED; 3581 dareprobe(periph); 3582 sense_flags |= SF_NO_PRINT; 3583 } else if (sense_key == SSD_KEY_NOT_READY && 3584 asc == 0x3a && (softc->flags & DA_FLAG_PACK_INVALID) == 0) { 3585 softc->flags |= DA_FLAG_PACK_INVALID; 3586 disk_media_gone(softc->disk, M_NOWAIT); 3587 } 3588 } 3589 if (error == ERESTART) 3590 return (ERESTART); 3591 3592 /* 3593 * XXX 3594 * Until we have a better way of doing pack validation, 3595 * don't treat UAs as errors. 3596 */ 3597 sense_flags |= SF_RETRY_UA; 3598 return(cam_periph_error(ccb, cam_flags, sense_flags, 3599 &softc->saved_ccb)); 3600} 3601 3602static void 3603damediapoll(void *arg) 3604{ 3605 struct cam_periph *periph = arg; 3606 struct da_softc *softc = periph->softc; 3607 3608 if (!softc->tur && LIST_EMPTY(&softc->pending_ccbs)) { 3609 if (cam_periph_acquire(periph) == CAM_REQ_CMP) { 3610 softc->tur = 1; 3611 daschedule(periph); 3612 } 3613 } 3614 /* Queue us up again */ 3615 if (da_poll_period != 0) 3616 callout_schedule(&softc->mediapoll_c, da_poll_period * hz); 3617} 3618 3619static void 3620daprevent(struct cam_periph *periph, int action) 3621{ 3622 struct da_softc *softc; 3623 union ccb *ccb; 3624 int error; 3625 3626 softc = (struct da_softc *)periph->softc; 3627 3628 if (((action == PR_ALLOW) 3629 && (softc->flags & DA_FLAG_PACK_LOCKED) == 0) 3630 || ((action == PR_PREVENT) 3631 && (softc->flags & DA_FLAG_PACK_LOCKED) != 0)) { 3632 return; 3633 } 3634 3635 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 3636 3637 scsi_prevent(&ccb->csio, 3638 /*retries*/1, 3639 /*cbcfp*/dadone, 3640 MSG_SIMPLE_Q_TAG, 3641 action, 3642 SSD_FULL_SIZE, 3643 5000); 3644 3645 error = cam_periph_runccb(ccb, daerror, CAM_RETRY_SELTO, 3646 SF_RETRY_UA | SF_NO_PRINT, softc->disk->d_devstat); 3647 3648 if (error == 0) { 3649 if (action == PR_ALLOW) 3650 softc->flags &= ~DA_FLAG_PACK_LOCKED; 3651 else 3652 softc->flags |= DA_FLAG_PACK_LOCKED; 3653 } 3654 3655 xpt_release_ccb(ccb); 3656} 3657 3658static void 3659dasetgeom(struct cam_periph *periph, uint32_t block_len, uint64_t maxsector, 3660 struct scsi_read_capacity_data_long *rcaplong, size_t rcap_len) 3661{ 3662 struct ccb_calc_geometry ccg; 3663 struct da_softc *softc; 3664 struct disk_params *dp; 3665 u_int lbppbe, lalba; 3666 int error; 3667 3668 softc = (struct da_softc *)periph->softc; 3669 3670 dp = &softc->params; 3671 dp->secsize = block_len; 3672 dp->sectors = maxsector + 1; 3673 if (rcaplong != NULL) { 3674 lbppbe = rcaplong->prot_lbppbe & SRC16_LBPPBE; 3675 lalba = scsi_2btoul(rcaplong->lalba_lbp); 3676 lalba &= SRC16_LALBA_A; 3677 } else { 3678 lbppbe = 0; 3679 lalba = 0; 3680 } 3681 3682 if (lbppbe > 0) { 3683 dp->stripesize = block_len << lbppbe; 3684 dp->stripeoffset = (dp->stripesize - block_len * lalba) % 3685 dp->stripesize; 3686 } else if (softc->quirks & DA_Q_4K) { 3687 dp->stripesize = 4096; 3688 dp->stripeoffset = 0; 3689 } else { 3690 dp->stripesize = 0; 3691 dp->stripeoffset = 0; 3692 } 3693 /* 3694 * Have the controller provide us with a geometry 3695 * for this disk. The only time the geometry 3696 * matters is when we boot and the controller 3697 * is the only one knowledgeable enough to come 3698 * up with something that will make this a bootable 3699 * device. 3700 */ 3701 xpt_setup_ccb(&ccg.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 3702 ccg.ccb_h.func_code = XPT_CALC_GEOMETRY; 3703 ccg.block_size = dp->secsize; 3704 ccg.volume_size = dp->sectors; 3705 ccg.heads = 0; 3706 ccg.secs_per_track = 0; 3707 ccg.cylinders = 0; 3708 xpt_action((union ccb*)&ccg); 3709 if ((ccg.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 3710 /* 3711 * We don't know what went wrong here- but just pick 3712 * a geometry so we don't have nasty things like divide 3713 * by zero. 3714 */ 3715 dp->heads = 255; 3716 dp->secs_per_track = 255; 3717 dp->cylinders = dp->sectors / (255 * 255); 3718 if (dp->cylinders == 0) { 3719 dp->cylinders = 1; 3720 } 3721 } else { 3722 dp->heads = ccg.heads; 3723 dp->secs_per_track = ccg.secs_per_track; 3724 dp->cylinders = ccg.cylinders; 3725 } 3726 3727 /* 3728 * If the user supplied a read capacity buffer, and if it is 3729 * different than the previous buffer, update the data in the EDT. 3730 * If it's the same, we don't bother. This avoids sending an 3731 * update every time someone opens this device. 3732 */ 3733 if ((rcaplong != NULL) 3734 && (bcmp(rcaplong, &softc->rcaplong, 3735 min(sizeof(softc->rcaplong), rcap_len)) != 0)) { 3736 struct ccb_dev_advinfo cdai; 3737 3738 xpt_setup_ccb(&cdai.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 3739 cdai.ccb_h.func_code = XPT_DEV_ADVINFO; 3740 cdai.buftype = CDAI_TYPE_RCAPLONG; 3741 cdai.flags |= CDAI_FLAG_STORE; 3742 cdai.bufsiz = rcap_len; 3743 cdai.buf = (uint8_t *)rcaplong; 3744 xpt_action((union ccb *)&cdai); 3745 if ((cdai.ccb_h.status & CAM_DEV_QFRZN) != 0) 3746 cam_release_devq(cdai.ccb_h.path, 0, 0, 0, FALSE); 3747 if (cdai.ccb_h.status != CAM_REQ_CMP) { 3748 xpt_print(periph->path, "%s: failed to set read " 3749 "capacity advinfo\n", __func__); 3750 /* Use cam_error_print() to decode the status */ 3751 cam_error_print((union ccb *)&cdai, CAM_ESF_CAM_STATUS, 3752 CAM_EPF_ALL); 3753 } else { 3754 bcopy(rcaplong, &softc->rcaplong, 3755 min(sizeof(softc->rcaplong), rcap_len)); 3756 } 3757 } 3758 3759 softc->disk->d_sectorsize = softc->params.secsize; 3760 softc->disk->d_mediasize = softc->params.secsize * (off_t)softc->params.sectors; 3761 softc->disk->d_stripesize = softc->params.stripesize; 3762 softc->disk->d_stripeoffset = softc->params.stripeoffset; 3763 /* XXX: these are not actually "firmware" values, so they may be wrong */ 3764 softc->disk->d_fwsectors = softc->params.secs_per_track; 3765 softc->disk->d_fwheads = softc->params.heads; 3766 softc->disk->d_devstat->block_size = softc->params.secsize; 3767 softc->disk->d_devstat->flags &= ~DEVSTAT_BS_UNAVAILABLE; 3768 3769 error = disk_resize(softc->disk, M_NOWAIT); 3770 if (error != 0) 3771 xpt_print(periph->path, "disk_resize(9) failed, error = %d\n", error); 3772} 3773 3774static void 3775dasendorderedtag(void *arg) 3776{ 3777 struct da_softc *softc = arg; 3778 3779 if (da_send_ordered) { 3780 if (!LIST_EMPTY(&softc->pending_ccbs)) { 3781 if ((softc->flags & DA_FLAG_WAS_OTAG) == 0) 3782 softc->flags |= DA_FLAG_NEED_OTAG; 3783 softc->flags &= ~DA_FLAG_WAS_OTAG; 3784 } 3785 } 3786 /* Queue us up again */ 3787 callout_reset(&softc->sendordered_c, 3788 (da_default_timeout * hz) / DA_ORDEREDTAG_INTERVAL, 3789 dasendorderedtag, softc); 3790} 3791 3792/* 3793 * Step through all DA peripheral drivers, and if the device is still open, 3794 * sync the disk cache to physical media. 3795 */ 3796static void 3797dashutdown(void * arg, int howto) 3798{ 3799 struct cam_periph *periph; 3800 struct da_softc *softc; 3801 union ccb *ccb; 3802 int error; 3803 3804 CAM_PERIPH_FOREACH(periph, &dadriver) { 3805 softc = (struct da_softc *)periph->softc; 3806 if (SCHEDULER_STOPPED()) { 3807 /* If we paniced with the lock held, do not recurse. */ 3808 if (!cam_periph_owned(periph) && 3809 (softc->flags & DA_FLAG_OPEN)) { 3810 dadump(softc->disk, NULL, 0, 0, 0); 3811 } 3812 continue; 3813 } 3814 cam_periph_lock(periph); 3815 3816 /* 3817 * We only sync the cache if the drive is still open, and 3818 * if the drive is capable of it.. 3819 */ 3820 if (((softc->flags & DA_FLAG_OPEN) == 0) 3821 || (softc->quirks & DA_Q_NO_SYNC_CACHE)) { 3822 cam_periph_unlock(periph); 3823 continue; 3824 } 3825 3826 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 3827 scsi_synchronize_cache(&ccb->csio, 3828 /*retries*/0, 3829 /*cbfcnp*/dadone, 3830 MSG_SIMPLE_Q_TAG, 3831 /*begin_lba*/0, /* whole disk */ 3832 /*lb_count*/0, 3833 SSD_FULL_SIZE, 3834 60 * 60 * 1000); 3835 3836 error = cam_periph_runccb(ccb, daerror, /*cam_flags*/0, 3837 /*sense_flags*/ SF_NO_RECOVERY | SF_NO_RETRY | SF_QUIET_IR, 3838 softc->disk->d_devstat); 3839 if (error != 0) 3840 xpt_print(periph->path, "Synchronize cache failed\n"); 3841 xpt_release_ccb(ccb); 3842 cam_periph_unlock(periph); 3843 } 3844} 3845 3846#else /* !_KERNEL */ 3847 3848/* 3849 * XXX This is only left out of the kernel build to silence warnings. If, 3850 * for some reason this function is used in the kernel, the ifdefs should 3851 * be moved so it is included both in the kernel and userland. 3852 */ 3853void 3854scsi_format_unit(struct ccb_scsiio *csio, u_int32_t retries, 3855 void (*cbfcnp)(struct cam_periph *, union ccb *), 3856 u_int8_t tag_action, u_int8_t byte2, u_int16_t ileave, 3857 u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len, 3858 u_int32_t timeout) 3859{ 3860 struct scsi_format_unit *scsi_cmd; 3861 3862 scsi_cmd = (struct scsi_format_unit *)&csio->cdb_io.cdb_bytes; 3863 scsi_cmd->opcode = FORMAT_UNIT; 3864 scsi_cmd->byte2 = byte2; 3865 scsi_ulto2b(ileave, scsi_cmd->interleave); 3866 3867 cam_fill_csio(csio, 3868 retries, 3869 cbfcnp, 3870 /*flags*/ (dxfer_len > 0) ? CAM_DIR_OUT : CAM_DIR_NONE, 3871 tag_action, 3872 data_ptr, 3873 dxfer_len, 3874 sense_len, 3875 sizeof(*scsi_cmd), 3876 timeout); 3877} 3878 3879void 3880scsi_sanitize(struct ccb_scsiio *csio, u_int32_t retries, 3881 void (*cbfcnp)(struct cam_periph *, union ccb *), 3882 u_int8_t tag_action, u_int8_t byte2, u_int16_t control, 3883 u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len, 3884 u_int32_t timeout) 3885{ 3886 struct scsi_sanitize *scsi_cmd; 3887 3888 scsi_cmd = (struct scsi_sanitize *)&csio->cdb_io.cdb_bytes; 3889 scsi_cmd->opcode = SANITIZE; 3890 scsi_cmd->byte2 = byte2; 3891 scsi_cmd->control = control; 3892 scsi_ulto2b(dxfer_len, scsi_cmd->length); 3893 3894 cam_fill_csio(csio, 3895 retries, 3896 cbfcnp, 3897 /*flags*/ (dxfer_len > 0) ? CAM_DIR_OUT : CAM_DIR_NONE, 3898 tag_action, 3899 data_ptr, 3900 dxfer_len, 3901 sense_len, 3902 sizeof(*scsi_cmd), 3903 timeout); 3904} 3905 3906#endif /* _KERNEL */ 3907