scsi_da.c revision 268816
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 268816 2014-07-17 23:05:20Z imp $"); 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 842 sometimes hang on UNMAP. 358 */ 359 {T_DIRECT, SIP_MEDIA_FIXED, "STEC", "S842E800M2", "*"}, 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 SSDs 971 * 4k optimised & trim only works in 4k requests + 4k aligned 972 */ 973 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Corsair Force GT*", "*" }, 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 * SuperTalent TeraDrive CT SSDs 1115 * 4k optimised & trim only works in 4k requests + 4k aligned 1116 */ 1117 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "FTM??CT25H*", "*" }, 1118 /*quirks*/DA_Q_4K 1119 }, 1120 { 1121 /* 1122 * XceedIOPS SATA SSDs 1123 * 4k optimised 1124 */ 1125 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SG9XCS2D*", "*" }, 1126 /*quirks*/DA_Q_4K 1127 }, 1128}; 1129 1130static disk_strategy_t dastrategy; 1131static dumper_t dadump; 1132static periph_init_t dainit; 1133static void daasync(void *callback_arg, u_int32_t code, 1134 struct cam_path *path, void *arg); 1135static void dasysctlinit(void *context, int pending); 1136static int dacmdsizesysctl(SYSCTL_HANDLER_ARGS); 1137static int dadeletemethodsysctl(SYSCTL_HANDLER_ARGS); 1138static int dadeletemaxsysctl(SYSCTL_HANDLER_ARGS); 1139static void dadeletemethodset(struct da_softc *softc, 1140 da_delete_methods delete_method); 1141static off_t dadeletemaxsize(struct da_softc *softc, 1142 da_delete_methods delete_method); 1143static void dadeletemethodchoose(struct da_softc *softc, 1144 da_delete_methods default_method); 1145static void daprobedone(struct cam_periph *periph, union ccb *ccb); 1146 1147static periph_ctor_t daregister; 1148static periph_dtor_t dacleanup; 1149static periph_start_t dastart; 1150static periph_oninv_t daoninvalidate; 1151static void dadone(struct cam_periph *periph, 1152 union ccb *done_ccb); 1153static int daerror(union ccb *ccb, u_int32_t cam_flags, 1154 u_int32_t sense_flags); 1155static void daprevent(struct cam_periph *periph, int action); 1156static void dareprobe(struct cam_periph *periph); 1157static void dasetgeom(struct cam_periph *periph, uint32_t block_len, 1158 uint64_t maxsector, 1159 struct scsi_read_capacity_data_long *rcaplong, 1160 size_t rcap_size); 1161static timeout_t dasendorderedtag; 1162static void dashutdown(void *arg, int howto); 1163static timeout_t damediapoll; 1164 1165#ifndef DA_DEFAULT_POLL_PERIOD 1166#define DA_DEFAULT_POLL_PERIOD 3 1167#endif 1168 1169#ifndef DA_DEFAULT_TIMEOUT 1170#define DA_DEFAULT_TIMEOUT 60 /* Timeout in seconds */ 1171#endif 1172 1173#ifndef DA_DEFAULT_RETRY 1174#define DA_DEFAULT_RETRY 4 1175#endif 1176 1177#ifndef DA_DEFAULT_SEND_ORDERED 1178#define DA_DEFAULT_SEND_ORDERED 1 1179#endif 1180 1181#define DA_SIO (softc->sort_io_queue >= 0 ? \ 1182 softc->sort_io_queue : cam_sort_io_queues) 1183 1184static int da_poll_period = DA_DEFAULT_POLL_PERIOD; 1185static int da_retry_count = DA_DEFAULT_RETRY; 1186static int da_default_timeout = DA_DEFAULT_TIMEOUT; 1187static int da_send_ordered = DA_DEFAULT_SEND_ORDERED; 1188 1189static SYSCTL_NODE(_kern_cam, OID_AUTO, da, CTLFLAG_RD, 0, 1190 "CAM Direct Access Disk driver"); 1191SYSCTL_INT(_kern_cam_da, OID_AUTO, poll_period, CTLFLAG_RW, 1192 &da_poll_period, 0, "Media polling period in seconds"); 1193TUNABLE_INT("kern.cam.da.poll_period", &da_poll_period); 1194SYSCTL_INT(_kern_cam_da, OID_AUTO, retry_count, CTLFLAG_RW, 1195 &da_retry_count, 0, "Normal I/O retry count"); 1196TUNABLE_INT("kern.cam.da.retry_count", &da_retry_count); 1197SYSCTL_INT(_kern_cam_da, OID_AUTO, default_timeout, CTLFLAG_RW, 1198 &da_default_timeout, 0, "Normal I/O timeout (in seconds)"); 1199TUNABLE_INT("kern.cam.da.default_timeout", &da_default_timeout); 1200SYSCTL_INT(_kern_cam_da, OID_AUTO, send_ordered, CTLFLAG_RW, 1201 &da_send_ordered, 0, "Send Ordered Tags"); 1202TUNABLE_INT("kern.cam.da.send_ordered", &da_send_ordered); 1203 1204/* 1205 * DA_ORDEREDTAG_INTERVAL determines how often, relative 1206 * to the default timeout, we check to see whether an ordered 1207 * tagged transaction is appropriate to prevent simple tag 1208 * starvation. Since we'd like to ensure that there is at least 1209 * 1/2 of the timeout length left for a starved transaction to 1210 * complete after we've sent an ordered tag, we must poll at least 1211 * four times in every timeout period. This takes care of the worst 1212 * case where a starved transaction starts during an interval that 1213 * meets the requirement "don't send an ordered tag" test so it takes 1214 * us two intervals to determine that a tag must be sent. 1215 */ 1216#ifndef DA_ORDEREDTAG_INTERVAL 1217#define DA_ORDEREDTAG_INTERVAL 4 1218#endif 1219 1220static struct periph_driver dadriver = 1221{ 1222 dainit, "da", 1223 TAILQ_HEAD_INITIALIZER(dadriver.units), /* generation */ 0 1224}; 1225 1226PERIPHDRIVER_DECLARE(da, dadriver); 1227 1228static MALLOC_DEFINE(M_SCSIDA, "scsi_da", "scsi_da buffers"); 1229 1230static int 1231daopen(struct disk *dp) 1232{ 1233 struct cam_periph *periph; 1234 struct da_softc *softc; 1235 int error; 1236 1237 periph = (struct cam_periph *)dp->d_drv1; 1238 if (cam_periph_acquire(periph) != CAM_REQ_CMP) { 1239 return (ENXIO); 1240 } 1241 1242 cam_periph_lock(periph); 1243 if ((error = cam_periph_hold(periph, PRIBIO|PCATCH)) != 0) { 1244 cam_periph_unlock(periph); 1245 cam_periph_release(periph); 1246 return (error); 1247 } 1248 1249 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH, 1250 ("daopen\n")); 1251 1252 softc = (struct da_softc *)periph->softc; 1253 dareprobe(periph); 1254 1255 /* Wait for the disk size update. */ 1256 error = cam_periph_sleep(periph, &softc->disk->d_mediasize, PRIBIO, 1257 "dareprobe", 0); 1258 if (error != 0) 1259 xpt_print(periph->path, "unable to retrieve capacity data\n"); 1260 1261 if (periph->flags & CAM_PERIPH_INVALID) 1262 error = ENXIO; 1263 1264 if (error == 0 && (softc->flags & DA_FLAG_PACK_REMOVABLE) != 0 && 1265 (softc->quirks & DA_Q_NO_PREVENT) == 0) 1266 daprevent(periph, PR_PREVENT); 1267 1268 if (error == 0) { 1269 softc->flags &= ~DA_FLAG_PACK_INVALID; 1270 softc->flags |= DA_FLAG_OPEN; 1271 } 1272 1273 cam_periph_unhold(periph); 1274 cam_periph_unlock(periph); 1275 1276 if (error != 0) 1277 cam_periph_release(periph); 1278 1279 return (error); 1280} 1281 1282static int 1283daclose(struct disk *dp) 1284{ 1285 struct cam_periph *periph; 1286 struct da_softc *softc; 1287 union ccb *ccb; 1288 int error; 1289 1290 periph = (struct cam_periph *)dp->d_drv1; 1291 softc = (struct da_softc *)periph->softc; 1292 cam_periph_lock(periph); 1293 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH, 1294 ("daclose\n")); 1295 1296 if (cam_periph_hold(periph, PRIBIO) == 0) { 1297 1298 /* Flush disk cache. */ 1299 if ((softc->flags & DA_FLAG_DIRTY) != 0 && 1300 (softc->quirks & DA_Q_NO_SYNC_CACHE) == 0 && 1301 (softc->flags & DA_FLAG_PACK_INVALID) == 0) { 1302 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 1303 scsi_synchronize_cache(&ccb->csio, /*retries*/1, 1304 /*cbfcnp*/dadone, MSG_SIMPLE_Q_TAG, 1305 /*begin_lba*/0, /*lb_count*/0, SSD_FULL_SIZE, 1306 5 * 60 * 1000); 1307 error = cam_periph_runccb(ccb, daerror, /*cam_flags*/0, 1308 /*sense_flags*/SF_RETRY_UA | SF_QUIET_IR, 1309 softc->disk->d_devstat); 1310 if (error == 0) 1311 softc->flags &= ~DA_FLAG_DIRTY; 1312 xpt_release_ccb(ccb); 1313 } 1314 1315 /* Allow medium removal. */ 1316 if ((softc->flags & DA_FLAG_PACK_REMOVABLE) != 0 && 1317 (softc->quirks & DA_Q_NO_PREVENT) == 0) 1318 daprevent(periph, PR_ALLOW); 1319 1320 cam_periph_unhold(periph); 1321 } 1322 1323 /* 1324 * If we've got removeable media, mark the blocksize as 1325 * unavailable, since it could change when new media is 1326 * inserted. 1327 */ 1328 if ((softc->flags & DA_FLAG_PACK_REMOVABLE) != 0) 1329 softc->disk->d_devstat->flags |= DEVSTAT_BS_UNAVAILABLE; 1330 1331 softc->flags &= ~DA_FLAG_OPEN; 1332 while (softc->refcount != 0) 1333 cam_periph_sleep(periph, &softc->refcount, PRIBIO, "daclose", 1); 1334 cam_periph_unlock(periph); 1335 cam_periph_release(periph); 1336 return (0); 1337} 1338 1339static void 1340daschedule(struct cam_periph *periph) 1341{ 1342 struct da_softc *softc = (struct da_softc *)periph->softc; 1343 1344 if (softc->state != DA_STATE_NORMAL) 1345 return; 1346 1347 /* Check if we have more work to do. */ 1348 if (bioq_first(&softc->bio_queue) || 1349 (!softc->delete_running && bioq_first(&softc->delete_queue)) || 1350 softc->tur) { 1351 xpt_schedule(periph, CAM_PRIORITY_NORMAL); 1352 } 1353} 1354 1355/* 1356 * Actually translate the requested transfer into one the physical driver 1357 * can understand. The transfer is described by a buf and will include 1358 * only one physical transfer. 1359 */ 1360static void 1361dastrategy(struct bio *bp) 1362{ 1363 struct cam_periph *periph; 1364 struct da_softc *softc; 1365 1366 periph = (struct cam_periph *)bp->bio_disk->d_drv1; 1367 softc = (struct da_softc *)periph->softc; 1368 1369 cam_periph_lock(periph); 1370 1371 /* 1372 * If the device has been made invalid, error out 1373 */ 1374 if ((softc->flags & DA_FLAG_PACK_INVALID)) { 1375 cam_periph_unlock(periph); 1376 biofinish(bp, NULL, ENXIO); 1377 return; 1378 } 1379 1380 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dastrategy(%p)\n", bp)); 1381 1382 /* 1383 * Place it in the queue of disk activities for this disk 1384 */ 1385 if (bp->bio_cmd == BIO_DELETE) { 1386 bioq_disksort(&softc->delete_queue, bp); 1387 } else if (DA_SIO) { 1388 bioq_disksort(&softc->bio_queue, bp); 1389 } else { 1390 bioq_insert_tail(&softc->bio_queue, bp); 1391 } 1392 1393 /* 1394 * Schedule ourselves for performing the work. 1395 */ 1396 daschedule(periph); 1397 cam_periph_unlock(periph); 1398 1399 return; 1400} 1401 1402static int 1403dadump(void *arg, void *virtual, vm_offset_t physical, off_t offset, size_t length) 1404{ 1405 struct cam_periph *periph; 1406 struct da_softc *softc; 1407 u_int secsize; 1408 struct ccb_scsiio csio; 1409 struct disk *dp; 1410 int error = 0; 1411 1412 dp = arg; 1413 periph = dp->d_drv1; 1414 softc = (struct da_softc *)periph->softc; 1415 cam_periph_lock(periph); 1416 secsize = softc->params.secsize; 1417 1418 if ((softc->flags & DA_FLAG_PACK_INVALID) != 0) { 1419 cam_periph_unlock(periph); 1420 return (ENXIO); 1421 } 1422 1423 if (length > 0) { 1424 xpt_setup_ccb(&csio.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 1425 csio.ccb_h.ccb_state = DA_CCB_DUMP; 1426 scsi_read_write(&csio, 1427 /*retries*/0, 1428 dadone, 1429 MSG_ORDERED_Q_TAG, 1430 /*read*/SCSI_RW_WRITE, 1431 /*byte2*/0, 1432 /*minimum_cmd_size*/ softc->minimum_cmd_size, 1433 offset / secsize, 1434 length / secsize, 1435 /*data_ptr*/(u_int8_t *) virtual, 1436 /*dxfer_len*/length, 1437 /*sense_len*/SSD_FULL_SIZE, 1438 da_default_timeout * 1000); 1439 xpt_polled_action((union ccb *)&csio); 1440 1441 error = cam_periph_error((union ccb *)&csio, 1442 0, SF_NO_RECOVERY | SF_NO_RETRY, NULL); 1443 if ((csio.ccb_h.status & CAM_DEV_QFRZN) != 0) 1444 cam_release_devq(csio.ccb_h.path, /*relsim_flags*/0, 1445 /*reduction*/0, /*timeout*/0, /*getcount_only*/0); 1446 if (error != 0) 1447 printf("Aborting dump due to I/O error.\n"); 1448 cam_periph_unlock(periph); 1449 return (error); 1450 } 1451 1452 /* 1453 * Sync the disk cache contents to the physical media. 1454 */ 1455 if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) { 1456 1457 xpt_setup_ccb(&csio.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 1458 csio.ccb_h.ccb_state = DA_CCB_DUMP; 1459 scsi_synchronize_cache(&csio, 1460 /*retries*/0, 1461 /*cbfcnp*/dadone, 1462 MSG_SIMPLE_Q_TAG, 1463 /*begin_lba*/0,/* Cover the whole disk */ 1464 /*lb_count*/0, 1465 SSD_FULL_SIZE, 1466 5 * 60 * 1000); 1467 xpt_polled_action((union ccb *)&csio); 1468 1469 error = cam_periph_error((union ccb *)&csio, 1470 0, SF_NO_RECOVERY | SF_NO_RETRY | SF_QUIET_IR, NULL); 1471 if ((csio.ccb_h.status & CAM_DEV_QFRZN) != 0) 1472 cam_release_devq(csio.ccb_h.path, /*relsim_flags*/0, 1473 /*reduction*/0, /*timeout*/0, /*getcount_only*/0); 1474 if (error != 0) 1475 xpt_print(periph->path, "Synchronize cache failed\n"); 1476 } 1477 cam_periph_unlock(periph); 1478 return (error); 1479} 1480 1481static int 1482dagetattr(struct bio *bp) 1483{ 1484 int ret; 1485 struct cam_periph *periph; 1486 1487 periph = (struct cam_periph *)bp->bio_disk->d_drv1; 1488 cam_periph_lock(periph); 1489 ret = xpt_getattr(bp->bio_data, bp->bio_length, bp->bio_attribute, 1490 periph->path); 1491 cam_periph_unlock(periph); 1492 if (ret == 0) 1493 bp->bio_completed = bp->bio_length; 1494 return ret; 1495} 1496 1497static void 1498dainit(void) 1499{ 1500 cam_status status; 1501 1502 /* 1503 * Install a global async callback. This callback will 1504 * receive async callbacks like "new device found". 1505 */ 1506 status = xpt_register_async(AC_FOUND_DEVICE, daasync, NULL, NULL); 1507 1508 if (status != CAM_REQ_CMP) { 1509 printf("da: Failed to attach master async callback " 1510 "due to status 0x%x!\n", status); 1511 } else if (da_send_ordered) { 1512 1513 /* Register our shutdown event handler */ 1514 if ((EVENTHANDLER_REGISTER(shutdown_post_sync, dashutdown, 1515 NULL, SHUTDOWN_PRI_DEFAULT)) == NULL) 1516 printf("dainit: shutdown event registration failed!\n"); 1517 } 1518} 1519 1520/* 1521 * Callback from GEOM, called when it has finished cleaning up its 1522 * resources. 1523 */ 1524static void 1525dadiskgonecb(struct disk *dp) 1526{ 1527 struct cam_periph *periph; 1528 1529 periph = (struct cam_periph *)dp->d_drv1; 1530 cam_periph_release(periph); 1531} 1532 1533static void 1534daoninvalidate(struct cam_periph *periph) 1535{ 1536 struct da_softc *softc; 1537 1538 softc = (struct da_softc *)periph->softc; 1539 1540 /* 1541 * De-register any async callbacks. 1542 */ 1543 xpt_register_async(0, daasync, periph, periph->path); 1544 1545 softc->flags |= DA_FLAG_PACK_INVALID; 1546 1547 /* 1548 * Return all queued I/O with ENXIO. 1549 * XXX Handle any transactions queued to the card 1550 * with XPT_ABORT_CCB. 1551 */ 1552 bioq_flush(&softc->bio_queue, NULL, ENXIO); 1553 bioq_flush(&softc->delete_queue, NULL, ENXIO); 1554 1555 /* 1556 * Tell GEOM that we've gone away, we'll get a callback when it is 1557 * done cleaning up its resources. 1558 */ 1559 disk_gone(softc->disk); 1560} 1561 1562static void 1563dacleanup(struct cam_periph *periph) 1564{ 1565 struct da_softc *softc; 1566 1567 softc = (struct da_softc *)periph->softc; 1568 1569 cam_periph_unlock(periph); 1570 1571 /* 1572 * If we can't free the sysctl tree, oh well... 1573 */ 1574 if ((softc->flags & DA_FLAG_SCTX_INIT) != 0 1575 && sysctl_ctx_free(&softc->sysctl_ctx) != 0) { 1576 xpt_print(periph->path, "can't remove sysctl context\n"); 1577 } 1578 1579 callout_drain(&softc->mediapoll_c); 1580 disk_destroy(softc->disk); 1581 callout_drain(&softc->sendordered_c); 1582 free(softc, M_DEVBUF); 1583 cam_periph_lock(periph); 1584} 1585 1586static void 1587daasync(void *callback_arg, u_int32_t code, 1588 struct cam_path *path, void *arg) 1589{ 1590 struct cam_periph *periph; 1591 struct da_softc *softc; 1592 1593 periph = (struct cam_periph *)callback_arg; 1594 switch (code) { 1595 case AC_FOUND_DEVICE: 1596 { 1597 struct ccb_getdev *cgd; 1598 cam_status status; 1599 1600 cgd = (struct ccb_getdev *)arg; 1601 if (cgd == NULL) 1602 break; 1603 1604 if (cgd->protocol != PROTO_SCSI) 1605 break; 1606 1607 if (SID_TYPE(&cgd->inq_data) != T_DIRECT 1608 && SID_TYPE(&cgd->inq_data) != T_RBC 1609 && SID_TYPE(&cgd->inq_data) != T_OPTICAL) 1610 break; 1611 1612 /* 1613 * Allocate a peripheral instance for 1614 * this device and start the probe 1615 * process. 1616 */ 1617 status = cam_periph_alloc(daregister, daoninvalidate, 1618 dacleanup, dastart, 1619 "da", CAM_PERIPH_BIO, 1620 path, daasync, 1621 AC_FOUND_DEVICE, cgd); 1622 1623 if (status != CAM_REQ_CMP 1624 && status != CAM_REQ_INPROG) 1625 printf("daasync: Unable to attach to new device " 1626 "due to status 0x%x\n", status); 1627 return; 1628 } 1629 case AC_ADVINFO_CHANGED: 1630 { 1631 uintptr_t buftype; 1632 1633 buftype = (uintptr_t)arg; 1634 if (buftype == CDAI_TYPE_PHYS_PATH) { 1635 struct da_softc *softc; 1636 1637 softc = periph->softc; 1638 disk_attr_changed(softc->disk, "GEOM::physpath", 1639 M_NOWAIT); 1640 } 1641 break; 1642 } 1643 case AC_UNIT_ATTENTION: 1644 { 1645 union ccb *ccb; 1646 int error_code, sense_key, asc, ascq; 1647 1648 softc = (struct da_softc *)periph->softc; 1649 ccb = (union ccb *)arg; 1650 1651 /* 1652 * Handle all UNIT ATTENTIONs except our own, 1653 * as they will be handled by daerror(). 1654 */ 1655 if (xpt_path_periph(ccb->ccb_h.path) != periph && 1656 scsi_extract_sense_ccb(ccb, 1657 &error_code, &sense_key, &asc, &ascq)) { 1658 if (asc == 0x2A && ascq == 0x09) { 1659 xpt_print(ccb->ccb_h.path, 1660 "Capacity data has changed\n"); 1661 softc->flags &= ~DA_FLAG_PROBED; 1662 dareprobe(periph); 1663 } else if (asc == 0x28 && ascq == 0x00) { 1664 softc->flags &= ~DA_FLAG_PROBED; 1665 disk_media_changed(softc->disk, M_NOWAIT); 1666 } else if (asc == 0x3F && ascq == 0x03) { 1667 xpt_print(ccb->ccb_h.path, 1668 "INQUIRY data has changed\n"); 1669 softc->flags &= ~DA_FLAG_PROBED; 1670 dareprobe(periph); 1671 } 1672 } 1673 cam_periph_async(periph, code, path, arg); 1674 break; 1675 } 1676 case AC_SCSI_AEN: 1677 softc = (struct da_softc *)periph->softc; 1678 if (!softc->tur) { 1679 if (cam_periph_acquire(periph) == CAM_REQ_CMP) { 1680 softc->tur = 1; 1681 daschedule(periph); 1682 } 1683 } 1684 /* FALLTHROUGH */ 1685 case AC_SENT_BDR: 1686 case AC_BUS_RESET: 1687 { 1688 struct ccb_hdr *ccbh; 1689 1690 softc = (struct da_softc *)periph->softc; 1691 /* 1692 * Don't fail on the expected unit attention 1693 * that will occur. 1694 */ 1695 softc->flags |= DA_FLAG_RETRY_UA; 1696 LIST_FOREACH(ccbh, &softc->pending_ccbs, periph_links.le) 1697 ccbh->ccb_state |= DA_CCB_RETRY_UA; 1698 break; 1699 } 1700 default: 1701 break; 1702 } 1703 cam_periph_async(periph, code, path, arg); 1704} 1705 1706static void 1707dasysctlinit(void *context, int pending) 1708{ 1709 struct cam_periph *periph; 1710 struct da_softc *softc; 1711 char tmpstr[80], tmpstr2[80]; 1712 struct ccb_trans_settings cts; 1713 1714 periph = (struct cam_periph *)context; 1715 /* 1716 * periph was held for us when this task was enqueued 1717 */ 1718 if (periph->flags & CAM_PERIPH_INVALID) { 1719 cam_periph_release(periph); 1720 return; 1721 } 1722 1723 softc = (struct da_softc *)periph->softc; 1724 snprintf(tmpstr, sizeof(tmpstr), "CAM DA unit %d", periph->unit_number); 1725 snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number); 1726 1727 sysctl_ctx_init(&softc->sysctl_ctx); 1728 softc->flags |= DA_FLAG_SCTX_INIT; 1729 softc->sysctl_tree = SYSCTL_ADD_NODE(&softc->sysctl_ctx, 1730 SYSCTL_STATIC_CHILDREN(_kern_cam_da), OID_AUTO, tmpstr2, 1731 CTLFLAG_RD, 0, tmpstr); 1732 if (softc->sysctl_tree == NULL) { 1733 printf("dasysctlinit: unable to allocate sysctl tree\n"); 1734 cam_periph_release(periph); 1735 return; 1736 } 1737 1738 /* 1739 * Now register the sysctl handler, so the user can change the value on 1740 * the fly. 1741 */ 1742 SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1743 OID_AUTO, "delete_method", CTLTYPE_STRING | CTLFLAG_RW, 1744 softc, 0, dadeletemethodsysctl, "A", 1745 "BIO_DELETE execution method"); 1746 SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1747 OID_AUTO, "delete_max", CTLTYPE_U64 | CTLFLAG_RW, 1748 softc, 0, dadeletemaxsysctl, "Q", 1749 "Maximum BIO_DELETE size"); 1750 SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1751 OID_AUTO, "minimum_cmd_size", CTLTYPE_INT | CTLFLAG_RW, 1752 &softc->minimum_cmd_size, 0, dacmdsizesysctl, "I", 1753 "Minimum CDB size"); 1754 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1755 OID_AUTO, "sort_io_queue", CTLFLAG_RW, &softc->sort_io_queue, 0, 1756 "Sort IO queue to try and optimise disk access patterns"); 1757 1758 SYSCTL_ADD_INT(&softc->sysctl_ctx, 1759 SYSCTL_CHILDREN(softc->sysctl_tree), 1760 OID_AUTO, 1761 "error_inject", 1762 CTLFLAG_RW, 1763 &softc->error_inject, 1764 0, 1765 "error_inject leaf"); 1766 1767 1768 /* 1769 * Add some addressing info. 1770 */ 1771 memset(&cts, 0, sizeof (cts)); 1772 xpt_setup_ccb(&cts.ccb_h, periph->path, CAM_PRIORITY_NONE); 1773 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 1774 cts.type = CTS_TYPE_CURRENT_SETTINGS; 1775 cam_periph_lock(periph); 1776 xpt_action((union ccb *)&cts); 1777 cam_periph_unlock(periph); 1778 if (cts.ccb_h.status != CAM_REQ_CMP) { 1779 cam_periph_release(periph); 1780 return; 1781 } 1782 if (cts.protocol == PROTO_SCSI && cts.transport == XPORT_FC) { 1783 struct ccb_trans_settings_fc *fc = &cts.xport_specific.fc; 1784 if (fc->valid & CTS_FC_VALID_WWPN) { 1785 softc->wwpn = fc->wwpn; 1786 SYSCTL_ADD_UQUAD(&softc->sysctl_ctx, 1787 SYSCTL_CHILDREN(softc->sysctl_tree), 1788 OID_AUTO, "wwpn", CTLFLAG_RD, 1789 &softc->wwpn, "World Wide Port Name"); 1790 } 1791 } 1792 cam_periph_release(periph); 1793} 1794 1795static int 1796dadeletemaxsysctl(SYSCTL_HANDLER_ARGS) 1797{ 1798 int error; 1799 uint64_t value; 1800 struct da_softc *softc; 1801 1802 softc = (struct da_softc *)arg1; 1803 1804 value = softc->disk->d_delmaxsize; 1805 error = sysctl_handle_64(oidp, &value, 0, req); 1806 if ((error != 0) || (req->newptr == NULL)) 1807 return (error); 1808 1809 /* only accept values smaller than the calculated value */ 1810 if (value > dadeletemaxsize(softc, softc->delete_method)) { 1811 return (EINVAL); 1812 } 1813 softc->disk->d_delmaxsize = value; 1814 1815 return (0); 1816} 1817 1818static int 1819dacmdsizesysctl(SYSCTL_HANDLER_ARGS) 1820{ 1821 int error, value; 1822 1823 value = *(int *)arg1; 1824 1825 error = sysctl_handle_int(oidp, &value, 0, req); 1826 1827 if ((error != 0) 1828 || (req->newptr == NULL)) 1829 return (error); 1830 1831 /* 1832 * Acceptable values here are 6, 10, 12 or 16. 1833 */ 1834 if (value < 6) 1835 value = 6; 1836 else if ((value > 6) 1837 && (value <= 10)) 1838 value = 10; 1839 else if ((value > 10) 1840 && (value <= 12)) 1841 value = 12; 1842 else if (value > 12) 1843 value = 16; 1844 1845 *(int *)arg1 = value; 1846 1847 return (0); 1848} 1849 1850static void 1851dadeletemethodset(struct da_softc *softc, da_delete_methods delete_method) 1852{ 1853 1854 1855 softc->delete_method = delete_method; 1856 softc->disk->d_delmaxsize = dadeletemaxsize(softc, delete_method); 1857 softc->delete_func = da_delete_functions[delete_method]; 1858 1859 if (softc->delete_method > DA_DELETE_DISABLE) 1860 softc->disk->d_flags |= DISKFLAG_CANDELETE; 1861 else 1862 softc->disk->d_flags &= ~DISKFLAG_CANDELETE; 1863} 1864 1865static off_t 1866dadeletemaxsize(struct da_softc *softc, da_delete_methods delete_method) 1867{ 1868 off_t sectors; 1869 1870 switch(delete_method) { 1871 case DA_DELETE_UNMAP: 1872 sectors = (off_t)softc->unmap_max_lba; 1873 break; 1874 case DA_DELETE_ATA_TRIM: 1875 sectors = (off_t)ATA_DSM_RANGE_MAX * softc->trim_max_ranges; 1876 break; 1877 case DA_DELETE_WS16: 1878 sectors = (off_t)min(softc->ws_max_blks, WS16_MAX_BLKS); 1879 break; 1880 case DA_DELETE_ZERO: 1881 case DA_DELETE_WS10: 1882 sectors = (off_t)min(softc->ws_max_blks, WS10_MAX_BLKS); 1883 break; 1884 default: 1885 return 0; 1886 } 1887 1888 return (off_t)softc->params.secsize * 1889 min(sectors, (off_t)softc->params.sectors); 1890} 1891 1892static void 1893daprobedone(struct cam_periph *periph, union ccb *ccb) 1894{ 1895 struct da_softc *softc; 1896 1897 softc = (struct da_softc *)periph->softc; 1898 1899 dadeletemethodchoose(softc, DA_DELETE_NONE); 1900 1901 if (bootverbose && (softc->flags & DA_FLAG_ANNOUNCED) == 0) { 1902 char buf[80]; 1903 int i, sep; 1904 1905 snprintf(buf, sizeof(buf), "Delete methods: <"); 1906 sep = 0; 1907 for (i = DA_DELETE_MIN; i <= DA_DELETE_MAX; i++) { 1908 if (softc->delete_available & (1 << i)) { 1909 if (sep) { 1910 strlcat(buf, ",", sizeof(buf)); 1911 } else { 1912 sep = 1; 1913 } 1914 strlcat(buf, da_delete_method_names[i], 1915 sizeof(buf)); 1916 if (i == softc->delete_method) { 1917 strlcat(buf, "(*)", sizeof(buf)); 1918 } 1919 } 1920 } 1921 if (sep == 0) { 1922 if (softc->delete_method == DA_DELETE_NONE) 1923 strlcat(buf, "NONE(*)", sizeof(buf)); 1924 else 1925 strlcat(buf, "DISABLED(*)", sizeof(buf)); 1926 } 1927 strlcat(buf, ">", sizeof(buf)); 1928 printf("%s%d: %s\n", periph->periph_name, 1929 periph->unit_number, buf); 1930 } 1931 1932 /* 1933 * Since our peripheral may be invalidated by an error 1934 * above or an external event, we must release our CCB 1935 * before releasing the probe lock on the peripheral. 1936 * The peripheral will only go away once the last lock 1937 * is removed, and we need it around for the CCB release 1938 * operation. 1939 */ 1940 xpt_release_ccb(ccb); 1941 softc->state = DA_STATE_NORMAL; 1942 softc->flags |= DA_FLAG_PROBED; 1943 daschedule(periph); 1944 wakeup(&softc->disk->d_mediasize); 1945 if ((softc->flags & DA_FLAG_ANNOUNCED) == 0) { 1946 softc->flags |= DA_FLAG_ANNOUNCED; 1947 cam_periph_unhold(periph); 1948 } else 1949 cam_periph_release_locked(periph); 1950} 1951 1952static void 1953dadeletemethodchoose(struct da_softc *softc, da_delete_methods default_method) 1954{ 1955 int i, delete_method; 1956 1957 delete_method = default_method; 1958 1959 /* 1960 * Use the pre-defined order to choose the best 1961 * performing delete. 1962 */ 1963 for (i = DA_DELETE_MIN; i <= DA_DELETE_MAX; i++) { 1964 if (softc->delete_available & (1 << i)) { 1965 dadeletemethodset(softc, i); 1966 return; 1967 } 1968 } 1969 dadeletemethodset(softc, delete_method); 1970} 1971 1972static int 1973dadeletemethodsysctl(SYSCTL_HANDLER_ARGS) 1974{ 1975 char buf[16]; 1976 const char *p; 1977 struct da_softc *softc; 1978 int i, error, methods, value; 1979 1980 softc = (struct da_softc *)arg1; 1981 1982 value = softc->delete_method; 1983 if (value < 0 || value > DA_DELETE_MAX) 1984 p = "UNKNOWN"; 1985 else 1986 p = da_delete_method_names[value]; 1987 strncpy(buf, p, sizeof(buf)); 1988 error = sysctl_handle_string(oidp, buf, sizeof(buf), req); 1989 if (error != 0 || req->newptr == NULL) 1990 return (error); 1991 methods = softc->delete_available | (1 << DA_DELETE_DISABLE); 1992 for (i = 0; i <= DA_DELETE_MAX; i++) { 1993 if (!(methods & (1 << i)) || 1994 strcmp(buf, da_delete_method_names[i]) != 0) 1995 continue; 1996 dadeletemethodset(softc, i); 1997 return (0); 1998 } 1999 return (EINVAL); 2000} 2001 2002static cam_status 2003daregister(struct cam_periph *periph, void *arg) 2004{ 2005 struct da_softc *softc; 2006 struct ccb_pathinq cpi; 2007 struct ccb_getdev *cgd; 2008 char tmpstr[80]; 2009 caddr_t match; 2010 2011 cgd = (struct ccb_getdev *)arg; 2012 if (cgd == NULL) { 2013 printf("daregister: no getdev CCB, can't register device\n"); 2014 return(CAM_REQ_CMP_ERR); 2015 } 2016 2017 softc = (struct da_softc *)malloc(sizeof(*softc), M_DEVBUF, 2018 M_NOWAIT|M_ZERO); 2019 2020 if (softc == NULL) { 2021 printf("daregister: Unable to probe new device. " 2022 "Unable to allocate softc\n"); 2023 return(CAM_REQ_CMP_ERR); 2024 } 2025 2026 LIST_INIT(&softc->pending_ccbs); 2027 softc->state = DA_STATE_PROBE_RC; 2028 bioq_init(&softc->bio_queue); 2029 bioq_init(&softc->delete_queue); 2030 bioq_init(&softc->delete_run_queue); 2031 if (SID_IS_REMOVABLE(&cgd->inq_data)) 2032 softc->flags |= DA_FLAG_PACK_REMOVABLE; 2033 softc->unmap_max_ranges = UNMAP_MAX_RANGES; 2034 softc->unmap_max_lba = UNMAP_RANGE_MAX; 2035 softc->ws_max_blks = WS16_MAX_BLKS; 2036 softc->trim_max_ranges = ATA_TRIM_MAX_RANGES; 2037 softc->sort_io_queue = -1; 2038 2039 periph->softc = softc; 2040 2041 /* 2042 * See if this device has any quirks. 2043 */ 2044 match = cam_quirkmatch((caddr_t)&cgd->inq_data, 2045 (caddr_t)da_quirk_table, 2046 sizeof(da_quirk_table)/sizeof(*da_quirk_table), 2047 sizeof(*da_quirk_table), scsi_inquiry_match); 2048 2049 if (match != NULL) 2050 softc->quirks = ((struct da_quirk_entry *)match)->quirks; 2051 else 2052 softc->quirks = DA_Q_NONE; 2053 2054 /* Check if the SIM does not want 6 byte commands */ 2055 bzero(&cpi, sizeof(cpi)); 2056 xpt_setup_ccb(&cpi.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 2057 cpi.ccb_h.func_code = XPT_PATH_INQ; 2058 xpt_action((union ccb *)&cpi); 2059 if (cpi.ccb_h.status == CAM_REQ_CMP && (cpi.hba_misc & PIM_NO_6_BYTE)) 2060 softc->quirks |= DA_Q_NO_6_BYTE; 2061 2062 TASK_INIT(&softc->sysctl_task, 0, dasysctlinit, periph); 2063 2064 /* 2065 * Take an exclusive refcount on the periph while dastart is called 2066 * to finish the probe. The reference will be dropped in dadone at 2067 * the end of probe. 2068 */ 2069 (void)cam_periph_hold(periph, PRIBIO); 2070 2071 /* 2072 * Schedule a periodic event to occasionally send an 2073 * ordered tag to a device. 2074 */ 2075 callout_init_mtx(&softc->sendordered_c, cam_periph_mtx(periph), 0); 2076 callout_reset(&softc->sendordered_c, 2077 (da_default_timeout * hz) / DA_ORDEREDTAG_INTERVAL, 2078 dasendorderedtag, softc); 2079 2080 cam_periph_unlock(periph); 2081 /* 2082 * RBC devices don't have to support READ(6), only READ(10). 2083 */ 2084 if (softc->quirks & DA_Q_NO_6_BYTE || SID_TYPE(&cgd->inq_data) == T_RBC) 2085 softc->minimum_cmd_size = 10; 2086 else 2087 softc->minimum_cmd_size = 6; 2088 2089 /* 2090 * Load the user's default, if any. 2091 */ 2092 snprintf(tmpstr, sizeof(tmpstr), "kern.cam.da.%d.minimum_cmd_size", 2093 periph->unit_number); 2094 TUNABLE_INT_FETCH(tmpstr, &softc->minimum_cmd_size); 2095 2096 /* 2097 * 6, 10, 12 and 16 are the currently permissible values. 2098 */ 2099 if (softc->minimum_cmd_size < 6) 2100 softc->minimum_cmd_size = 6; 2101 else if ((softc->minimum_cmd_size > 6) 2102 && (softc->minimum_cmd_size <= 10)) 2103 softc->minimum_cmd_size = 10; 2104 else if ((softc->minimum_cmd_size > 10) 2105 && (softc->minimum_cmd_size <= 12)) 2106 softc->minimum_cmd_size = 12; 2107 else if (softc->minimum_cmd_size > 12) 2108 softc->minimum_cmd_size = 16; 2109 2110 /* Predict whether device may support READ CAPACITY(16). */ 2111 if (SID_ANSI_REV(&cgd->inq_data) >= SCSI_REV_SPC3 && 2112 (softc->quirks & DA_Q_NO_RC16) == 0) { 2113 softc->flags |= DA_FLAG_CAN_RC16; 2114 softc->state = DA_STATE_PROBE_RC16; 2115 } 2116 2117 /* 2118 * Register this media as a disk. 2119 */ 2120 softc->disk = disk_alloc(); 2121 softc->disk->d_devstat = devstat_new_entry(periph->periph_name, 2122 periph->unit_number, 0, 2123 DEVSTAT_BS_UNAVAILABLE, 2124 SID_TYPE(&cgd->inq_data) | 2125 XPORT_DEVSTAT_TYPE(cpi.transport), 2126 DEVSTAT_PRIORITY_DISK); 2127 softc->disk->d_open = daopen; 2128 softc->disk->d_close = daclose; 2129 softc->disk->d_strategy = dastrategy; 2130 softc->disk->d_dump = dadump; 2131 softc->disk->d_getattr = dagetattr; 2132 softc->disk->d_gone = dadiskgonecb; 2133 softc->disk->d_name = "da"; 2134 softc->disk->d_drv1 = periph; 2135 if (cpi.maxio == 0) 2136 softc->maxio = DFLTPHYS; /* traditional default */ 2137 else if (cpi.maxio > MAXPHYS) 2138 softc->maxio = MAXPHYS; /* for safety */ 2139 else 2140 softc->maxio = cpi.maxio; 2141 softc->disk->d_maxsize = softc->maxio; 2142 softc->disk->d_unit = periph->unit_number; 2143 softc->disk->d_flags = DISKFLAG_DIRECT_COMPLETION; 2144 if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) 2145 softc->disk->d_flags |= DISKFLAG_CANFLUSHCACHE; 2146 if ((cpi.hba_misc & PIM_UNMAPPED) != 0) 2147 softc->disk->d_flags |= DISKFLAG_UNMAPPED_BIO; 2148 cam_strvis(softc->disk->d_descr, cgd->inq_data.vendor, 2149 sizeof(cgd->inq_data.vendor), sizeof(softc->disk->d_descr)); 2150 strlcat(softc->disk->d_descr, " ", sizeof(softc->disk->d_descr)); 2151 cam_strvis(&softc->disk->d_descr[strlen(softc->disk->d_descr)], 2152 cgd->inq_data.product, sizeof(cgd->inq_data.product), 2153 sizeof(softc->disk->d_descr) - strlen(softc->disk->d_descr)); 2154 softc->disk->d_hba_vendor = cpi.hba_vendor; 2155 softc->disk->d_hba_device = cpi.hba_device; 2156 softc->disk->d_hba_subvendor = cpi.hba_subvendor; 2157 softc->disk->d_hba_subdevice = cpi.hba_subdevice; 2158 2159 /* 2160 * Acquire a reference to the periph before we register with GEOM. 2161 * We'll release this reference once GEOM calls us back (via 2162 * dadiskgonecb()) telling us that our provider has been freed. 2163 */ 2164 if (cam_periph_acquire(periph) != CAM_REQ_CMP) { 2165 xpt_print(periph->path, "%s: lost periph during " 2166 "registration!\n", __func__); 2167 cam_periph_lock(periph); 2168 return (CAM_REQ_CMP_ERR); 2169 } 2170 2171 disk_create(softc->disk, DISK_VERSION); 2172 cam_periph_lock(periph); 2173 2174 /* 2175 * Add async callbacks for events of interest. 2176 * I don't bother checking if this fails as, 2177 * in most cases, the system will function just 2178 * fine without them and the only alternative 2179 * would be to not attach the device on failure. 2180 */ 2181 xpt_register_async(AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE | 2182 AC_ADVINFO_CHANGED | AC_SCSI_AEN | AC_UNIT_ATTENTION, 2183 daasync, periph, periph->path); 2184 2185 /* 2186 * Emit an attribute changed notification just in case 2187 * physical path information arrived before our async 2188 * event handler was registered, but after anyone attaching 2189 * to our disk device polled it. 2190 */ 2191 disk_attr_changed(softc->disk, "GEOM::physpath", M_NOWAIT); 2192 2193 /* 2194 * Schedule a periodic media polling events. 2195 */ 2196 callout_init_mtx(&softc->mediapoll_c, cam_periph_mtx(periph), 0); 2197 if ((softc->flags & DA_FLAG_PACK_REMOVABLE) && 2198 (cgd->inq_flags & SID_AEN) == 0 && 2199 da_poll_period != 0) 2200 callout_reset(&softc->mediapoll_c, da_poll_period * hz, 2201 damediapoll, periph); 2202 2203 xpt_schedule(periph, CAM_PRIORITY_DEV); 2204 2205 return(CAM_REQ_CMP); 2206} 2207 2208static void 2209dastart(struct cam_periph *periph, union ccb *start_ccb) 2210{ 2211 struct da_softc *softc; 2212 2213 softc = (struct da_softc *)periph->softc; 2214 2215 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dastart\n")); 2216 2217skipstate: 2218 switch (softc->state) { 2219 case DA_STATE_NORMAL: 2220 { 2221 struct bio *bp; 2222 uint8_t tag_code; 2223 2224 /* Run BIO_DELETE if not running yet. */ 2225 if (!softc->delete_running && 2226 (bp = bioq_first(&softc->delete_queue)) != NULL) { 2227 if (softc->delete_func != NULL) { 2228 softc->delete_func(periph, start_ccb, bp); 2229 goto out; 2230 } else { 2231 bioq_flush(&softc->delete_queue, NULL, 0); 2232 /* FALLTHROUGH */ 2233 } 2234 } 2235 2236 /* Run regular command. */ 2237 bp = bioq_takefirst(&softc->bio_queue); 2238 if (bp == NULL) { 2239 if (softc->tur) { 2240 softc->tur = 0; 2241 scsi_test_unit_ready(&start_ccb->csio, 2242 /*retries*/ da_retry_count, 2243 dadone, 2244 MSG_SIMPLE_Q_TAG, 2245 SSD_FULL_SIZE, 2246 da_default_timeout * 1000); 2247 start_ccb->ccb_h.ccb_bp = NULL; 2248 start_ccb->ccb_h.ccb_state = DA_CCB_TUR; 2249 xpt_action(start_ccb); 2250 } else 2251 xpt_release_ccb(start_ccb); 2252 break; 2253 } 2254 if (softc->tur) { 2255 softc->tur = 0; 2256 cam_periph_release_locked(periph); 2257 } 2258 2259 if ((bp->bio_flags & BIO_ORDERED) != 0 || 2260 (softc->flags & DA_FLAG_NEED_OTAG) != 0) { 2261 softc->flags &= ~DA_FLAG_NEED_OTAG; 2262 softc->flags |= DA_FLAG_WAS_OTAG; 2263 tag_code = MSG_ORDERED_Q_TAG; 2264 } else { 2265 tag_code = MSG_SIMPLE_Q_TAG; 2266 } 2267 2268 switch (bp->bio_cmd) { 2269 case BIO_WRITE: 2270 softc->flags |= DA_FLAG_DIRTY; 2271 /* FALLTHROUGH */ 2272 case BIO_READ: 2273 scsi_read_write(&start_ccb->csio, 2274 /*retries*/da_retry_count, 2275 /*cbfcnp*/dadone, 2276 /*tag_action*/tag_code, 2277 /*read_op*/(bp->bio_cmd == BIO_READ ? 2278 SCSI_RW_READ : SCSI_RW_WRITE) | 2279 ((bp->bio_flags & BIO_UNMAPPED) != 0 ? 2280 SCSI_RW_BIO : 0), 2281 /*byte2*/0, 2282 softc->minimum_cmd_size, 2283 /*lba*/bp->bio_pblkno, 2284 /*block_count*/bp->bio_bcount / 2285 softc->params.secsize, 2286 /*data_ptr*/ (bp->bio_flags & 2287 BIO_UNMAPPED) != 0 ? (void *)bp : 2288 bp->bio_data, 2289 /*dxfer_len*/ bp->bio_bcount, 2290 /*sense_len*/SSD_FULL_SIZE, 2291 da_default_timeout * 1000); 2292 break; 2293 case BIO_FLUSH: 2294 /* 2295 * BIO_FLUSH doesn't currently communicate 2296 * range data, so we synchronize the cache 2297 * over the whole disk. We also force 2298 * ordered tag semantics the flush applies 2299 * to all previously queued I/O. 2300 */ 2301 scsi_synchronize_cache(&start_ccb->csio, 2302 /*retries*/1, 2303 /*cbfcnp*/dadone, 2304 MSG_ORDERED_Q_TAG, 2305 /*begin_lba*/0, 2306 /*lb_count*/0, 2307 SSD_FULL_SIZE, 2308 da_default_timeout*1000); 2309 break; 2310 } 2311 start_ccb->ccb_h.ccb_state = DA_CCB_BUFFER_IO; 2312 start_ccb->ccb_h.flags |= CAM_UNLOCKED; 2313 2314out: 2315 LIST_INSERT_HEAD(&softc->pending_ccbs, 2316 &start_ccb->ccb_h, periph_links.le); 2317 2318 /* We expect a unit attention from this device */ 2319 if ((softc->flags & DA_FLAG_RETRY_UA) != 0) { 2320 start_ccb->ccb_h.ccb_state |= DA_CCB_RETRY_UA; 2321 softc->flags &= ~DA_FLAG_RETRY_UA; 2322 } 2323 2324 start_ccb->ccb_h.ccb_bp = bp; 2325 softc->refcount++; 2326 cam_periph_unlock(periph); 2327 xpt_action(start_ccb); 2328 cam_periph_lock(periph); 2329 softc->refcount--; 2330 2331 /* May have more work to do, so ensure we stay scheduled */ 2332 daschedule(periph); 2333 break; 2334 } 2335 case DA_STATE_PROBE_RC: 2336 { 2337 struct scsi_read_capacity_data *rcap; 2338 2339 rcap = (struct scsi_read_capacity_data *) 2340 malloc(sizeof(*rcap), M_SCSIDA, M_NOWAIT|M_ZERO); 2341 if (rcap == NULL) { 2342 printf("dastart: Couldn't malloc read_capacity data\n"); 2343 /* da_free_periph??? */ 2344 break; 2345 } 2346 scsi_read_capacity(&start_ccb->csio, 2347 /*retries*/da_retry_count, 2348 dadone, 2349 MSG_SIMPLE_Q_TAG, 2350 rcap, 2351 SSD_FULL_SIZE, 2352 /*timeout*/5000); 2353 start_ccb->ccb_h.ccb_bp = NULL; 2354 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_RC; 2355 xpt_action(start_ccb); 2356 break; 2357 } 2358 case DA_STATE_PROBE_RC16: 2359 { 2360 struct scsi_read_capacity_data_long *rcaplong; 2361 2362 rcaplong = (struct scsi_read_capacity_data_long *) 2363 malloc(sizeof(*rcaplong), M_SCSIDA, M_NOWAIT|M_ZERO); 2364 if (rcaplong == NULL) { 2365 printf("dastart: Couldn't malloc read_capacity data\n"); 2366 /* da_free_periph??? */ 2367 break; 2368 } 2369 scsi_read_capacity_16(&start_ccb->csio, 2370 /*retries*/ da_retry_count, 2371 /*cbfcnp*/ dadone, 2372 /*tag_action*/ MSG_SIMPLE_Q_TAG, 2373 /*lba*/ 0, 2374 /*reladr*/ 0, 2375 /*pmi*/ 0, 2376 /*rcap_buf*/ (uint8_t *)rcaplong, 2377 /*rcap_buf_len*/ sizeof(*rcaplong), 2378 /*sense_len*/ SSD_FULL_SIZE, 2379 /*timeout*/ da_default_timeout * 1000); 2380 start_ccb->ccb_h.ccb_bp = NULL; 2381 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_RC16; 2382 xpt_action(start_ccb); 2383 break; 2384 } 2385 case DA_STATE_PROBE_LBP: 2386 { 2387 struct scsi_vpd_logical_block_prov *lbp; 2388 2389 if (!scsi_vpd_supported_page(periph, SVPD_LBP)) { 2390 /* 2391 * If we get here we don't support any SBC-3 delete 2392 * methods with UNMAP as the Logical Block Provisioning 2393 * VPD page support is required for devices which 2394 * support it according to T10/1799-D Revision 31 2395 * however older revisions of the spec don't mandate 2396 * this so we currently don't remove these methods 2397 * from the available set. 2398 */ 2399 softc->state = DA_STATE_PROBE_BLK_LIMITS; 2400 goto skipstate; 2401 } 2402 2403 lbp = (struct scsi_vpd_logical_block_prov *) 2404 malloc(sizeof(*lbp), M_SCSIDA, M_NOWAIT|M_ZERO); 2405 2406 if (lbp == NULL) { 2407 printf("dastart: Couldn't malloc lbp data\n"); 2408 /* da_free_periph??? */ 2409 break; 2410 } 2411 2412 scsi_inquiry(&start_ccb->csio, 2413 /*retries*/da_retry_count, 2414 /*cbfcnp*/dadone, 2415 /*tag_action*/MSG_SIMPLE_Q_TAG, 2416 /*inq_buf*/(u_int8_t *)lbp, 2417 /*inq_len*/sizeof(*lbp), 2418 /*evpd*/TRUE, 2419 /*page_code*/SVPD_LBP, 2420 /*sense_len*/SSD_MIN_SIZE, 2421 /*timeout*/da_default_timeout * 1000); 2422 start_ccb->ccb_h.ccb_bp = NULL; 2423 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_LBP; 2424 xpt_action(start_ccb); 2425 break; 2426 } 2427 case DA_STATE_PROBE_BLK_LIMITS: 2428 { 2429 struct scsi_vpd_block_limits *block_limits; 2430 2431 if (!scsi_vpd_supported_page(periph, SVPD_BLOCK_LIMITS)) { 2432 /* Not supported skip to next probe */ 2433 softc->state = DA_STATE_PROBE_BDC; 2434 goto skipstate; 2435 } 2436 2437 block_limits = (struct scsi_vpd_block_limits *) 2438 malloc(sizeof(*block_limits), M_SCSIDA, M_NOWAIT|M_ZERO); 2439 2440 if (block_limits == NULL) { 2441 printf("dastart: Couldn't malloc block_limits data\n"); 2442 /* da_free_periph??? */ 2443 break; 2444 } 2445 2446 scsi_inquiry(&start_ccb->csio, 2447 /*retries*/da_retry_count, 2448 /*cbfcnp*/dadone, 2449 /*tag_action*/MSG_SIMPLE_Q_TAG, 2450 /*inq_buf*/(u_int8_t *)block_limits, 2451 /*inq_len*/sizeof(*block_limits), 2452 /*evpd*/TRUE, 2453 /*page_code*/SVPD_BLOCK_LIMITS, 2454 /*sense_len*/SSD_MIN_SIZE, 2455 /*timeout*/da_default_timeout * 1000); 2456 start_ccb->ccb_h.ccb_bp = NULL; 2457 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_BLK_LIMITS; 2458 xpt_action(start_ccb); 2459 break; 2460 } 2461 case DA_STATE_PROBE_BDC: 2462 { 2463 struct scsi_vpd_block_characteristics *bdc; 2464 2465 if (!scsi_vpd_supported_page(periph, SVPD_BDC)) { 2466 softc->state = DA_STATE_PROBE_ATA; 2467 goto skipstate; 2468 } 2469 2470 bdc = (struct scsi_vpd_block_characteristics *) 2471 malloc(sizeof(*bdc), M_SCSIDA, M_NOWAIT|M_ZERO); 2472 2473 if (bdc == NULL) { 2474 printf("dastart: Couldn't malloc bdc data\n"); 2475 /* da_free_periph??? */ 2476 break; 2477 } 2478 2479 scsi_inquiry(&start_ccb->csio, 2480 /*retries*/da_retry_count, 2481 /*cbfcnp*/dadone, 2482 /*tag_action*/MSG_SIMPLE_Q_TAG, 2483 /*inq_buf*/(u_int8_t *)bdc, 2484 /*inq_len*/sizeof(*bdc), 2485 /*evpd*/TRUE, 2486 /*page_code*/SVPD_BDC, 2487 /*sense_len*/SSD_MIN_SIZE, 2488 /*timeout*/da_default_timeout * 1000); 2489 start_ccb->ccb_h.ccb_bp = NULL; 2490 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_BDC; 2491 xpt_action(start_ccb); 2492 break; 2493 } 2494 case DA_STATE_PROBE_ATA: 2495 { 2496 struct ata_params *ata_params; 2497 2498 if (!scsi_vpd_supported_page(periph, SVPD_ATA_INFORMATION)) { 2499 daprobedone(periph, start_ccb); 2500 break; 2501 } 2502 2503 ata_params = (struct ata_params*) 2504 malloc(sizeof(*ata_params), M_SCSIDA, M_NOWAIT|M_ZERO); 2505 2506 if (ata_params == NULL) { 2507 printf("dastart: Couldn't malloc ata_params data\n"); 2508 /* da_free_periph??? */ 2509 break; 2510 } 2511 2512 scsi_ata_identify(&start_ccb->csio, 2513 /*retries*/da_retry_count, 2514 /*cbfcnp*/dadone, 2515 /*tag_action*/MSG_SIMPLE_Q_TAG, 2516 /*data_ptr*/(u_int8_t *)ata_params, 2517 /*dxfer_len*/sizeof(*ata_params), 2518 /*sense_len*/SSD_FULL_SIZE, 2519 /*timeout*/da_default_timeout * 1000); 2520 start_ccb->ccb_h.ccb_bp = NULL; 2521 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_ATA; 2522 xpt_action(start_ccb); 2523 break; 2524 } 2525 } 2526} 2527 2528/* 2529 * In each of the methods below, while its the caller's 2530 * responsibility to ensure the request will fit into a 2531 * single device request, we might have changed the delete 2532 * method due to the device incorrectly advertising either 2533 * its supported methods or limits. 2534 * 2535 * To prevent this causing further issues we validate the 2536 * against the methods limits, and warn which would 2537 * otherwise be unnecessary. 2538 */ 2539static void 2540da_delete_unmap(struct cam_periph *periph, union ccb *ccb, struct bio *bp) 2541{ 2542 struct da_softc *softc = (struct da_softc *)periph->softc;; 2543 struct bio *bp1; 2544 uint8_t *buf = softc->unmap_buf; 2545 uint64_t lba, lastlba = (uint64_t)-1; 2546 uint64_t totalcount = 0; 2547 uint64_t count; 2548 uint32_t lastcount = 0, c; 2549 uint32_t off, ranges = 0; 2550 2551 /* 2552 * Currently this doesn't take the UNMAP 2553 * Granularity and Granularity Alignment 2554 * fields into account. 2555 * 2556 * This could result in both unoptimal unmap 2557 * requests as as well as UNMAP calls unmapping 2558 * fewer LBA's than requested. 2559 */ 2560 2561 softc->delete_running = 1; 2562 bzero(softc->unmap_buf, sizeof(softc->unmap_buf)); 2563 bp1 = bp; 2564 do { 2565 bioq_remove(&softc->delete_queue, bp1); 2566 if (bp1 != bp) 2567 bioq_insert_tail(&softc->delete_run_queue, bp1); 2568 lba = bp1->bio_pblkno; 2569 count = bp1->bio_bcount / softc->params.secsize; 2570 2571 /* Try to extend the previous range. */ 2572 if (lba == lastlba) { 2573 c = omin(count, UNMAP_RANGE_MAX - lastcount); 2574 lastcount += c; 2575 off = ((ranges - 1) * UNMAP_RANGE_SIZE) + 2576 UNMAP_HEAD_SIZE; 2577 scsi_ulto4b(lastcount, &buf[off + 8]); 2578 count -= c; 2579 lba +=c; 2580 totalcount += c; 2581 } 2582 2583 while (count > 0) { 2584 c = omin(count, UNMAP_RANGE_MAX); 2585 if (totalcount + c > softc->unmap_max_lba || 2586 ranges >= softc->unmap_max_ranges) { 2587 xpt_print(periph->path, 2588 "%s issuing short delete %ld > %ld" 2589 "|| %d >= %d", 2590 da_delete_method_desc[softc->delete_method], 2591 totalcount + c, softc->unmap_max_lba, 2592 ranges, softc->unmap_max_ranges); 2593 break; 2594 } 2595 off = (ranges * UNMAP_RANGE_SIZE) + UNMAP_HEAD_SIZE; 2596 scsi_u64to8b(lba, &buf[off + 0]); 2597 scsi_ulto4b(c, &buf[off + 8]); 2598 lba += c; 2599 totalcount += c; 2600 ranges++; 2601 count -= c; 2602 lastcount = c; 2603 } 2604 lastlba = lba; 2605 bp1 = bioq_first(&softc->delete_queue); 2606 if (bp1 == NULL || ranges >= softc->unmap_max_ranges || 2607 totalcount + bp1->bio_bcount / 2608 softc->params.secsize > softc->unmap_max_lba) 2609 break; 2610 } while (1); 2611 scsi_ulto2b(ranges * 16 + 6, &buf[0]); 2612 scsi_ulto2b(ranges * 16, &buf[2]); 2613 2614 scsi_unmap(&ccb->csio, 2615 /*retries*/da_retry_count, 2616 /*cbfcnp*/dadone, 2617 /*tag_action*/MSG_SIMPLE_Q_TAG, 2618 /*byte2*/0, 2619 /*data_ptr*/ buf, 2620 /*dxfer_len*/ ranges * 16 + 8, 2621 /*sense_len*/SSD_FULL_SIZE, 2622 da_default_timeout * 1000); 2623 ccb->ccb_h.ccb_state = DA_CCB_DELETE; 2624 ccb->ccb_h.flags |= CAM_UNLOCKED; 2625} 2626 2627static void 2628da_delete_trim(struct cam_periph *periph, union ccb *ccb, struct bio *bp) 2629{ 2630 struct da_softc *softc = (struct da_softc *)periph->softc; 2631 struct bio *bp1; 2632 uint8_t *buf = softc->unmap_buf; 2633 uint64_t lastlba = (uint64_t)-1; 2634 uint64_t count; 2635 uint64_t lba; 2636 uint32_t lastcount = 0, c, requestcount; 2637 int ranges = 0, off, block_count; 2638 2639 softc->delete_running = 1; 2640 bzero(softc->unmap_buf, sizeof(softc->unmap_buf)); 2641 bp1 = bp; 2642 do { 2643 bioq_remove(&softc->delete_queue, bp1); 2644 if (bp1 != bp) 2645 bioq_insert_tail(&softc->delete_run_queue, bp1); 2646 lba = bp1->bio_pblkno; 2647 count = bp1->bio_bcount / softc->params.secsize; 2648 requestcount = count; 2649 2650 /* Try to extend the previous range. */ 2651 if (lba == lastlba) { 2652 c = min(count, ATA_DSM_RANGE_MAX - lastcount); 2653 lastcount += c; 2654 off = (ranges - 1) * 8; 2655 buf[off + 6] = lastcount & 0xff; 2656 buf[off + 7] = (lastcount >> 8) & 0xff; 2657 count -= c; 2658 lba += c; 2659 } 2660 2661 while (count > 0) { 2662 c = min(count, ATA_DSM_RANGE_MAX); 2663 off = ranges * 8; 2664 2665 buf[off + 0] = lba & 0xff; 2666 buf[off + 1] = (lba >> 8) & 0xff; 2667 buf[off + 2] = (lba >> 16) & 0xff; 2668 buf[off + 3] = (lba >> 24) & 0xff; 2669 buf[off + 4] = (lba >> 32) & 0xff; 2670 buf[off + 5] = (lba >> 40) & 0xff; 2671 buf[off + 6] = c & 0xff; 2672 buf[off + 7] = (c >> 8) & 0xff; 2673 lba += c; 2674 ranges++; 2675 count -= c; 2676 lastcount = c; 2677 if (count != 0 && ranges == softc->trim_max_ranges) { 2678 xpt_print(periph->path, 2679 "%s issuing short delete %ld > %ld\n", 2680 da_delete_method_desc[softc->delete_method], 2681 requestcount, 2682 (softc->trim_max_ranges - ranges) * 2683 ATA_DSM_RANGE_MAX); 2684 break; 2685 } 2686 } 2687 lastlba = lba; 2688 bp1 = bioq_first(&softc->delete_queue); 2689 if (bp1 == NULL || bp1->bio_bcount / softc->params.secsize > 2690 (softc->trim_max_ranges - ranges) * ATA_DSM_RANGE_MAX) 2691 break; 2692 } while (1); 2693 2694 block_count = (ranges + ATA_DSM_BLK_RANGES - 1) / ATA_DSM_BLK_RANGES; 2695 scsi_ata_trim(&ccb->csio, 2696 /*retries*/da_retry_count, 2697 /*cbfcnp*/dadone, 2698 /*tag_action*/MSG_SIMPLE_Q_TAG, 2699 block_count, 2700 /*data_ptr*/buf, 2701 /*dxfer_len*/block_count * ATA_DSM_BLK_SIZE, 2702 /*sense_len*/SSD_FULL_SIZE, 2703 da_default_timeout * 1000); 2704 ccb->ccb_h.ccb_state = DA_CCB_DELETE; 2705 ccb->ccb_h.flags |= CAM_UNLOCKED; 2706} 2707 2708/* 2709 * We calculate ws_max_blks here based off d_delmaxsize instead 2710 * of using softc->ws_max_blks as it is absolute max for the 2711 * device not the protocol max which may well be lower. 2712 */ 2713static void 2714da_delete_ws(struct cam_periph *periph, union ccb *ccb, struct bio *bp) 2715{ 2716 struct da_softc *softc; 2717 struct bio *bp1; 2718 uint64_t ws_max_blks; 2719 uint64_t lba; 2720 uint64_t count; /* forward compat with WS32 */ 2721 2722 softc = (struct da_softc *)periph->softc; 2723 ws_max_blks = softc->disk->d_delmaxsize / softc->params.secsize; 2724 softc->delete_running = 1; 2725 lba = bp->bio_pblkno; 2726 count = 0; 2727 bp1 = bp; 2728 do { 2729 bioq_remove(&softc->delete_queue, bp1); 2730 if (bp1 != bp) 2731 bioq_insert_tail(&softc->delete_run_queue, bp1); 2732 count += bp1->bio_bcount / softc->params.secsize; 2733 if (count > ws_max_blks) { 2734 xpt_print(periph->path, 2735 "%s issuing short delete %ld > %ld\n", 2736 da_delete_method_desc[softc->delete_method], 2737 count, ws_max_blks); 2738 count = min(count, ws_max_blks); 2739 break; 2740 } 2741 bp1 = bioq_first(&softc->delete_queue); 2742 if (bp1 == NULL || lba + count != bp1->bio_pblkno || 2743 count + bp1->bio_bcount / 2744 softc->params.secsize > ws_max_blks) 2745 break; 2746 } while (1); 2747 2748 scsi_write_same(&ccb->csio, 2749 /*retries*/da_retry_count, 2750 /*cbfcnp*/dadone, 2751 /*tag_action*/MSG_SIMPLE_Q_TAG, 2752 /*byte2*/softc->delete_method == 2753 DA_DELETE_ZERO ? 0 : SWS_UNMAP, 2754 softc->delete_method == DA_DELETE_WS16 ? 16 : 10, 2755 /*lba*/lba, 2756 /*block_count*/count, 2757 /*data_ptr*/ __DECONST(void *, zero_region), 2758 /*dxfer_len*/ softc->params.secsize, 2759 /*sense_len*/SSD_FULL_SIZE, 2760 da_default_timeout * 1000); 2761 ccb->ccb_h.ccb_state = DA_CCB_DELETE; 2762 ccb->ccb_h.flags |= CAM_UNLOCKED; 2763} 2764 2765static int 2766cmd6workaround(union ccb *ccb) 2767{ 2768 struct scsi_rw_6 cmd6; 2769 struct scsi_rw_10 *cmd10; 2770 struct da_softc *softc; 2771 u_int8_t *cdb; 2772 struct bio *bp; 2773 int frozen; 2774 2775 cdb = ccb->csio.cdb_io.cdb_bytes; 2776 softc = (struct da_softc *)xpt_path_periph(ccb->ccb_h.path)->softc; 2777 2778 if (ccb->ccb_h.ccb_state == DA_CCB_DELETE) { 2779 da_delete_methods old_method = softc->delete_method; 2780 2781 /* 2782 * Typically there are two reasons for failure here 2783 * 1. Delete method was detected as supported but isn't 2784 * 2. Delete failed due to invalid params e.g. too big 2785 * 2786 * While we will attempt to choose an alternative delete method 2787 * this may result in short deletes if the existing delete 2788 * requests from geom are big for the new method choosen. 2789 * 2790 * This method assumes that the error which triggered this 2791 * will not retry the io otherwise a panic will occur 2792 */ 2793 dadeleteflag(softc, old_method, 0); 2794 dadeletemethodchoose(softc, DA_DELETE_DISABLE); 2795 if (softc->delete_method == DA_DELETE_DISABLE) 2796 xpt_print(ccb->ccb_h.path, 2797 "%s failed, disabling BIO_DELETE\n", 2798 da_delete_method_desc[old_method]); 2799 else 2800 xpt_print(ccb->ccb_h.path, 2801 "%s failed, switching to %s BIO_DELETE\n", 2802 da_delete_method_desc[old_method], 2803 da_delete_method_desc[softc->delete_method]); 2804 2805 while ((bp = bioq_takefirst(&softc->delete_run_queue)) != NULL) 2806 bioq_disksort(&softc->delete_queue, bp); 2807 bioq_disksort(&softc->delete_queue, 2808 (struct bio *)ccb->ccb_h.ccb_bp); 2809 ccb->ccb_h.ccb_bp = NULL; 2810 return (0); 2811 } 2812 2813 /* Detect unsupported PREVENT ALLOW MEDIUM REMOVAL. */ 2814 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) == 0 && 2815 (*cdb == PREVENT_ALLOW) && 2816 (softc->quirks & DA_Q_NO_PREVENT) == 0) { 2817 if (bootverbose) 2818 xpt_print(ccb->ccb_h.path, 2819 "PREVENT ALLOW MEDIUM REMOVAL not supported.\n"); 2820 softc->quirks |= DA_Q_NO_PREVENT; 2821 return (0); 2822 } 2823 2824 /* Detect unsupported SYNCHRONIZE CACHE(10). */ 2825 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) == 0 && 2826 (*cdb == SYNCHRONIZE_CACHE) && 2827 (softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) { 2828 if (bootverbose) 2829 xpt_print(ccb->ccb_h.path, 2830 "SYNCHRONIZE CACHE(10) not supported.\n"); 2831 softc->quirks |= DA_Q_NO_SYNC_CACHE; 2832 softc->disk->d_flags &= ~DISKFLAG_CANFLUSHCACHE; 2833 return (0); 2834 } 2835 2836 /* Translation only possible if CDB is an array and cmd is R/W6 */ 2837 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0 || 2838 (*cdb != READ_6 && *cdb != WRITE_6)) 2839 return 0; 2840 2841 xpt_print(ccb->ccb_h.path, "READ(6)/WRITE(6) not supported, " 2842 "increasing minimum_cmd_size to 10.\n"); 2843 softc->minimum_cmd_size = 10; 2844 2845 bcopy(cdb, &cmd6, sizeof(struct scsi_rw_6)); 2846 cmd10 = (struct scsi_rw_10 *)cdb; 2847 cmd10->opcode = (cmd6.opcode == READ_6) ? READ_10 : WRITE_10; 2848 cmd10->byte2 = 0; 2849 scsi_ulto4b(scsi_3btoul(cmd6.addr), cmd10->addr); 2850 cmd10->reserved = 0; 2851 scsi_ulto2b(cmd6.length, cmd10->length); 2852 cmd10->control = cmd6.control; 2853 ccb->csio.cdb_len = sizeof(*cmd10); 2854 2855 /* Requeue request, unfreezing queue if necessary */ 2856 frozen = (ccb->ccb_h.status & CAM_DEV_QFRZN) != 0; 2857 ccb->ccb_h.status = CAM_REQUEUE_REQ; 2858 xpt_action(ccb); 2859 if (frozen) { 2860 cam_release_devq(ccb->ccb_h.path, 2861 /*relsim_flags*/0, 2862 /*reduction*/0, 2863 /*timeout*/0, 2864 /*getcount_only*/0); 2865 } 2866 return (ERESTART); 2867} 2868 2869static void 2870dadone(struct cam_periph *periph, union ccb *done_ccb) 2871{ 2872 struct da_softc *softc; 2873 struct ccb_scsiio *csio; 2874 u_int32_t priority; 2875 da_ccb_state state; 2876 2877 softc = (struct da_softc *)periph->softc; 2878 priority = done_ccb->ccb_h.pinfo.priority; 2879 2880 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone\n")); 2881 2882 csio = &done_ccb->csio; 2883 state = csio->ccb_h.ccb_state & DA_CCB_TYPE_MASK; 2884 switch (state) { 2885 case DA_CCB_BUFFER_IO: 2886 case DA_CCB_DELETE: 2887 { 2888 struct bio *bp, *bp1; 2889 2890 cam_periph_lock(periph); 2891 bp = (struct bio *)done_ccb->ccb_h.ccb_bp; 2892 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 2893 int error; 2894 int sf; 2895 2896 if ((csio->ccb_h.ccb_state & DA_CCB_RETRY_UA) != 0) 2897 sf = SF_RETRY_UA; 2898 else 2899 sf = 0; 2900 2901 error = daerror(done_ccb, CAM_RETRY_SELTO, sf); 2902 if (error == ERESTART) { 2903 /* 2904 * A retry was scheduled, so 2905 * just return. 2906 */ 2907 cam_periph_unlock(periph); 2908 return; 2909 } 2910 bp = (struct bio *)done_ccb->ccb_h.ccb_bp; 2911 if (error != 0) { 2912 int queued_error; 2913 2914 /* 2915 * return all queued I/O with EIO, so that 2916 * the client can retry these I/Os in the 2917 * proper order should it attempt to recover. 2918 */ 2919 queued_error = EIO; 2920 2921 if (error == ENXIO 2922 && (softc->flags & DA_FLAG_PACK_INVALID)== 0) { 2923 /* 2924 * Catastrophic error. Mark our pack as 2925 * invalid. 2926 */ 2927 /* 2928 * XXX See if this is really a media 2929 * XXX change first? 2930 */ 2931 xpt_print(periph->path, 2932 "Invalidating pack\n"); 2933 softc->flags |= DA_FLAG_PACK_INVALID; 2934 queued_error = ENXIO; 2935 } 2936 bioq_flush(&softc->bio_queue, NULL, 2937 queued_error); 2938 if (bp != NULL) { 2939 bp->bio_error = error; 2940 bp->bio_resid = bp->bio_bcount; 2941 bp->bio_flags |= BIO_ERROR; 2942 } 2943 } else if (bp != NULL) { 2944 if (state == DA_CCB_DELETE) 2945 bp->bio_resid = 0; 2946 else 2947 bp->bio_resid = csio->resid; 2948 bp->bio_error = 0; 2949 if (bp->bio_resid != 0) 2950 bp->bio_flags |= BIO_ERROR; 2951 } 2952 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 2953 cam_release_devq(done_ccb->ccb_h.path, 2954 /*relsim_flags*/0, 2955 /*reduction*/0, 2956 /*timeout*/0, 2957 /*getcount_only*/0); 2958 } else if (bp != NULL) { 2959 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 2960 panic("REQ_CMP with QFRZN"); 2961 if (state == DA_CCB_DELETE) 2962 bp->bio_resid = 0; 2963 else 2964 bp->bio_resid = csio->resid; 2965 if (csio->resid > 0) 2966 bp->bio_flags |= BIO_ERROR; 2967 if (softc->error_inject != 0) { 2968 bp->bio_error = softc->error_inject; 2969 bp->bio_resid = bp->bio_bcount; 2970 bp->bio_flags |= BIO_ERROR; 2971 softc->error_inject = 0; 2972 } 2973 } 2974 2975 LIST_REMOVE(&done_ccb->ccb_h, periph_links.le); 2976 if (LIST_EMPTY(&softc->pending_ccbs)) 2977 softc->flags |= DA_FLAG_WAS_OTAG; 2978 2979 xpt_release_ccb(done_ccb); 2980 if (state == DA_CCB_DELETE) { 2981 TAILQ_HEAD(, bio) queue; 2982 2983 TAILQ_INIT(&queue); 2984 TAILQ_CONCAT(&queue, &softc->delete_run_queue.queue, bio_queue); 2985 softc->delete_run_queue.insert_point = NULL; 2986 softc->delete_running = 0; 2987 daschedule(periph); 2988 cam_periph_unlock(periph); 2989 while ((bp1 = TAILQ_FIRST(&queue)) != NULL) { 2990 TAILQ_REMOVE(&queue, bp1, bio_queue); 2991 bp1->bio_error = bp->bio_error; 2992 if (bp->bio_flags & BIO_ERROR) { 2993 bp1->bio_flags |= BIO_ERROR; 2994 bp1->bio_resid = bp1->bio_bcount; 2995 } else 2996 bp1->bio_resid = 0; 2997 biodone(bp1); 2998 } 2999 } else 3000 cam_periph_unlock(periph); 3001 if (bp != NULL) 3002 biodone(bp); 3003 return; 3004 } 3005 case DA_CCB_PROBE_RC: 3006 case DA_CCB_PROBE_RC16: 3007 { 3008 struct scsi_read_capacity_data *rdcap; 3009 struct scsi_read_capacity_data_long *rcaplong; 3010 char announce_buf[80]; 3011 int lbp; 3012 3013 lbp = 0; 3014 rdcap = NULL; 3015 rcaplong = NULL; 3016 if (state == DA_CCB_PROBE_RC) 3017 rdcap =(struct scsi_read_capacity_data *)csio->data_ptr; 3018 else 3019 rcaplong = (struct scsi_read_capacity_data_long *) 3020 csio->data_ptr; 3021 3022 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 3023 struct disk_params *dp; 3024 uint32_t block_size; 3025 uint64_t maxsector; 3026 u_int lbppbe; /* LB per physical block exponent. */ 3027 u_int lalba; /* Lowest aligned LBA. */ 3028 3029 if (state == DA_CCB_PROBE_RC) { 3030 block_size = scsi_4btoul(rdcap->length); 3031 maxsector = scsi_4btoul(rdcap->addr); 3032 lbppbe = 0; 3033 lalba = 0; 3034 3035 /* 3036 * According to SBC-2, if the standard 10 3037 * byte READ CAPACITY command returns 2^32, 3038 * we should issue the 16 byte version of 3039 * the command, since the device in question 3040 * has more sectors than can be represented 3041 * with the short version of the command. 3042 */ 3043 if (maxsector == 0xffffffff) { 3044 free(rdcap, M_SCSIDA); 3045 xpt_release_ccb(done_ccb); 3046 softc->state = DA_STATE_PROBE_RC16; 3047 xpt_schedule(periph, priority); 3048 return; 3049 } 3050 } else { 3051 block_size = scsi_4btoul(rcaplong->length); 3052 maxsector = scsi_8btou64(rcaplong->addr); 3053 lbppbe = rcaplong->prot_lbppbe & SRC16_LBPPBE; 3054 lalba = scsi_2btoul(rcaplong->lalba_lbp); 3055 } 3056 3057 /* 3058 * Because GEOM code just will panic us if we 3059 * give them an 'illegal' value we'll avoid that 3060 * here. 3061 */ 3062 if (block_size == 0 && maxsector == 0) { 3063 block_size = 512; 3064 maxsector = -1; 3065 } 3066 if (block_size >= MAXPHYS || block_size == 0) { 3067 xpt_print(periph->path, 3068 "unsupportable block size %ju\n", 3069 (uintmax_t) block_size); 3070 announce_buf[0] = '\0'; 3071 cam_periph_invalidate(periph); 3072 } else { 3073 /* 3074 * We pass rcaplong into dasetgeom(), 3075 * because it will only use it if it is 3076 * non-NULL. 3077 */ 3078 dasetgeom(periph, block_size, maxsector, 3079 rcaplong, sizeof(*rcaplong)); 3080 lbp = (lalba & SRC16_LBPME_A); 3081 dp = &softc->params; 3082 snprintf(announce_buf, sizeof(announce_buf), 3083 "%juMB (%ju %u byte sectors: %dH %dS/T " 3084 "%dC)", (uintmax_t) 3085 (((uintmax_t)dp->secsize * 3086 dp->sectors) / (1024*1024)), 3087 (uintmax_t)dp->sectors, 3088 dp->secsize, dp->heads, 3089 dp->secs_per_track, dp->cylinders); 3090 } 3091 } else { 3092 int error; 3093 3094 announce_buf[0] = '\0'; 3095 3096 /* 3097 * Retry any UNIT ATTENTION type errors. They 3098 * are expected at boot. 3099 */ 3100 error = daerror(done_ccb, CAM_RETRY_SELTO, 3101 SF_RETRY_UA|SF_NO_PRINT); 3102 if (error == ERESTART) { 3103 /* 3104 * A retry was scheuled, so 3105 * just return. 3106 */ 3107 return; 3108 } else if (error != 0) { 3109 int asc, ascq; 3110 int sense_key, error_code; 3111 int have_sense; 3112 cam_status status; 3113 struct ccb_getdev cgd; 3114 3115 /* Don't wedge this device's queue */ 3116 status = done_ccb->ccb_h.status; 3117 if ((status & CAM_DEV_QFRZN) != 0) 3118 cam_release_devq(done_ccb->ccb_h.path, 3119 /*relsim_flags*/0, 3120 /*reduction*/0, 3121 /*timeout*/0, 3122 /*getcount_only*/0); 3123 3124 3125 xpt_setup_ccb(&cgd.ccb_h, 3126 done_ccb->ccb_h.path, 3127 CAM_PRIORITY_NORMAL); 3128 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 3129 xpt_action((union ccb *)&cgd); 3130 3131 if (scsi_extract_sense_ccb(done_ccb, 3132 &error_code, &sense_key, &asc, &ascq)) 3133 have_sense = TRUE; 3134 else 3135 have_sense = FALSE; 3136 3137 /* 3138 * If we tried READ CAPACITY(16) and failed, 3139 * fallback to READ CAPACITY(10). 3140 */ 3141 if ((state == DA_CCB_PROBE_RC16) && 3142 (softc->flags & DA_FLAG_CAN_RC16) && 3143 (((csio->ccb_h.status & CAM_STATUS_MASK) == 3144 CAM_REQ_INVALID) || 3145 ((have_sense) && 3146 (error_code == SSD_CURRENT_ERROR) && 3147 (sense_key == SSD_KEY_ILLEGAL_REQUEST)))) { 3148 softc->flags &= ~DA_FLAG_CAN_RC16; 3149 free(rdcap, M_SCSIDA); 3150 xpt_release_ccb(done_ccb); 3151 softc->state = DA_STATE_PROBE_RC; 3152 xpt_schedule(periph, priority); 3153 return; 3154 } else 3155 /* 3156 * Attach to anything that claims to be a 3157 * direct access or optical disk device, 3158 * as long as it doesn't return a "Logical 3159 * unit not supported" (0x25) error. 3160 */ 3161 if ((have_sense) && (asc != 0x25) 3162 && (error_code == SSD_CURRENT_ERROR)) { 3163 const char *sense_key_desc; 3164 const char *asc_desc; 3165 3166 dasetgeom(periph, 512, -1, NULL, 0); 3167 scsi_sense_desc(sense_key, asc, ascq, 3168 &cgd.inq_data, 3169 &sense_key_desc, 3170 &asc_desc); 3171 snprintf(announce_buf, 3172 sizeof(announce_buf), 3173 "Attempt to query device " 3174 "size failed: %s, %s", 3175 sense_key_desc, 3176 asc_desc); 3177 } else { 3178 if (have_sense) 3179 scsi_sense_print( 3180 &done_ccb->csio); 3181 else { 3182 xpt_print(periph->path, 3183 "got CAM status %#x\n", 3184 done_ccb->ccb_h.status); 3185 } 3186 3187 xpt_print(periph->path, "fatal error, " 3188 "failed to attach to device\n"); 3189 3190 /* 3191 * Free up resources. 3192 */ 3193 cam_periph_invalidate(periph); 3194 } 3195 } 3196 } 3197 free(csio->data_ptr, M_SCSIDA); 3198 if (announce_buf[0] != '\0' && 3199 ((softc->flags & DA_FLAG_ANNOUNCED) == 0)) { 3200 /* 3201 * Create our sysctl variables, now that we know 3202 * we have successfully attached. 3203 */ 3204 /* increase the refcount */ 3205 if (cam_periph_acquire(periph) == CAM_REQ_CMP) { 3206 taskqueue_enqueue(taskqueue_thread, 3207 &softc->sysctl_task); 3208 xpt_announce_periph(periph, announce_buf); 3209 xpt_announce_quirks(periph, softc->quirks, 3210 DA_Q_BIT_STRING); 3211 } else { 3212 xpt_print(periph->path, "fatal error, " 3213 "could not acquire reference count\n"); 3214 } 3215 } 3216 3217 /* We already probed the device. */ 3218 if (softc->flags & DA_FLAG_PROBED) { 3219 daprobedone(periph, done_ccb); 3220 return; 3221 } 3222 3223 /* Ensure re-probe doesn't see old delete. */ 3224 softc->delete_available = 0; 3225 if (lbp && (softc->quirks & DA_Q_NO_UNMAP) == 0) { 3226 /* 3227 * Based on older SBC-3 spec revisions 3228 * any of the UNMAP methods "may" be 3229 * available via LBP given this flag so 3230 * we flag all of them as availble and 3231 * then remove those which further 3232 * probes confirm aren't available 3233 * later. 3234 * 3235 * We could also check readcap(16) p_type 3236 * flag to exclude one or more invalid 3237 * write same (X) types here 3238 */ 3239 dadeleteflag(softc, DA_DELETE_WS16, 1); 3240 dadeleteflag(softc, DA_DELETE_WS10, 1); 3241 dadeleteflag(softc, DA_DELETE_ZERO, 1); 3242 dadeleteflag(softc, DA_DELETE_UNMAP, 1); 3243 3244 xpt_release_ccb(done_ccb); 3245 softc->state = DA_STATE_PROBE_LBP; 3246 xpt_schedule(periph, priority); 3247 return; 3248 } 3249 3250 xpt_release_ccb(done_ccb); 3251 softc->state = DA_STATE_PROBE_BDC; 3252 xpt_schedule(periph, priority); 3253 return; 3254 } 3255 case DA_CCB_PROBE_LBP: 3256 { 3257 struct scsi_vpd_logical_block_prov *lbp; 3258 3259 lbp = (struct scsi_vpd_logical_block_prov *)csio->data_ptr; 3260 3261 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 3262 /* 3263 * T10/1799-D Revision 31 states at least one of these 3264 * must be supported but we don't currently enforce this. 3265 */ 3266 dadeleteflag(softc, DA_DELETE_WS16, 3267 (lbp->flags & SVPD_LBP_WS16)); 3268 dadeleteflag(softc, DA_DELETE_WS10, 3269 (lbp->flags & SVPD_LBP_WS10)); 3270 dadeleteflag(softc, DA_DELETE_ZERO, 3271 (lbp->flags & SVPD_LBP_WS10)); 3272 dadeleteflag(softc, DA_DELETE_UNMAP, 3273 (lbp->flags & SVPD_LBP_UNMAP)); 3274 } else { 3275 int error; 3276 error = daerror(done_ccb, CAM_RETRY_SELTO, 3277 SF_RETRY_UA|SF_NO_PRINT); 3278 if (error == ERESTART) 3279 return; 3280 else if (error != 0) { 3281 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 3282 /* Don't wedge this device's queue */ 3283 cam_release_devq(done_ccb->ccb_h.path, 3284 /*relsim_flags*/0, 3285 /*reduction*/0, 3286 /*timeout*/0, 3287 /*getcount_only*/0); 3288 } 3289 3290 /* 3291 * Failure indicates we don't support any SBC-3 3292 * delete methods with UNMAP 3293 */ 3294 } 3295 } 3296 3297 free(lbp, M_SCSIDA); 3298 xpt_release_ccb(done_ccb); 3299 softc->state = DA_STATE_PROBE_BLK_LIMITS; 3300 xpt_schedule(periph, priority); 3301 return; 3302 } 3303 case DA_CCB_PROBE_BLK_LIMITS: 3304 { 3305 struct scsi_vpd_block_limits *block_limits; 3306 3307 block_limits = (struct scsi_vpd_block_limits *)csio->data_ptr; 3308 3309 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 3310 uint32_t max_txfer_len = scsi_4btoul( 3311 block_limits->max_txfer_len); 3312 uint32_t max_unmap_lba_cnt = scsi_4btoul( 3313 block_limits->max_unmap_lba_cnt); 3314 uint32_t max_unmap_blk_cnt = scsi_4btoul( 3315 block_limits->max_unmap_blk_cnt); 3316 uint64_t ws_max_blks = scsi_8btou64( 3317 block_limits->max_write_same_length); 3318 3319 if (max_txfer_len != 0) { 3320 softc->disk->d_maxsize = MIN(softc->maxio, 3321 (off_t)max_txfer_len * softc->params.secsize); 3322 } 3323 3324 /* 3325 * We should already support UNMAP but we check lba 3326 * and block count to be sure 3327 */ 3328 if (max_unmap_lba_cnt != 0x00L && 3329 max_unmap_blk_cnt != 0x00L) { 3330 softc->unmap_max_lba = max_unmap_lba_cnt; 3331 softc->unmap_max_ranges = min(max_unmap_blk_cnt, 3332 UNMAP_MAX_RANGES); 3333 } else { 3334 /* 3335 * Unexpected UNMAP limits which means the 3336 * device doesn't actually support UNMAP 3337 */ 3338 dadeleteflag(softc, DA_DELETE_UNMAP, 0); 3339 } 3340 3341 if (ws_max_blks != 0x00L) 3342 softc->ws_max_blks = ws_max_blks; 3343 } else { 3344 int error; 3345 error = daerror(done_ccb, CAM_RETRY_SELTO, 3346 SF_RETRY_UA|SF_NO_PRINT); 3347 if (error == ERESTART) 3348 return; 3349 else if (error != 0) { 3350 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 3351 /* Don't wedge this device's queue */ 3352 cam_release_devq(done_ccb->ccb_h.path, 3353 /*relsim_flags*/0, 3354 /*reduction*/0, 3355 /*timeout*/0, 3356 /*getcount_only*/0); 3357 } 3358 3359 /* 3360 * Failure here doesn't mean UNMAP is not 3361 * supported as this is an optional page. 3362 */ 3363 softc->unmap_max_lba = 1; 3364 softc->unmap_max_ranges = 1; 3365 } 3366 } 3367 3368 free(block_limits, M_SCSIDA); 3369 xpt_release_ccb(done_ccb); 3370 softc->state = DA_STATE_PROBE_BDC; 3371 xpt_schedule(periph, priority); 3372 return; 3373 } 3374 case DA_CCB_PROBE_BDC: 3375 { 3376 struct scsi_vpd_block_characteristics *bdc; 3377 3378 bdc = (struct scsi_vpd_block_characteristics *)csio->data_ptr; 3379 3380 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 3381 /* 3382 * Disable queue sorting for non-rotational media 3383 * by default. 3384 */ 3385 if (scsi_2btoul(bdc->medium_rotation_rate) == 3386 SVPD_BDC_RATE_NONE_ROTATING) 3387 softc->sort_io_queue = 0; 3388 } else { 3389 int error; 3390 error = daerror(done_ccb, CAM_RETRY_SELTO, 3391 SF_RETRY_UA|SF_NO_PRINT); 3392 if (error == ERESTART) 3393 return; 3394 else if (error != 0) { 3395 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 3396 /* Don't wedge this device's queue */ 3397 cam_release_devq(done_ccb->ccb_h.path, 3398 /*relsim_flags*/0, 3399 /*reduction*/0, 3400 /*timeout*/0, 3401 /*getcount_only*/0); 3402 } 3403 } 3404 } 3405 3406 free(bdc, M_SCSIDA); 3407 xpt_release_ccb(done_ccb); 3408 softc->state = DA_STATE_PROBE_ATA; 3409 xpt_schedule(periph, priority); 3410 return; 3411 } 3412 case DA_CCB_PROBE_ATA: 3413 { 3414 int i; 3415 struct ata_params *ata_params; 3416 int16_t *ptr; 3417 3418 ata_params = (struct ata_params *)csio->data_ptr; 3419 ptr = (uint16_t *)ata_params; 3420 3421 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 3422 for (i = 0; i < sizeof(*ata_params) / 2; i++) 3423 ptr[i] = le16toh(ptr[i]); 3424 if (ata_params->support_dsm & ATA_SUPPORT_DSM_TRIM && 3425 (softc->quirks & DA_Q_NO_UNMAP) == 0) { 3426 dadeleteflag(softc, DA_DELETE_ATA_TRIM, 1); 3427 if (ata_params->max_dsm_blocks != 0) 3428 softc->trim_max_ranges = min( 3429 softc->trim_max_ranges, 3430 ata_params->max_dsm_blocks * 3431 ATA_DSM_BLK_RANGES); 3432 } 3433 /* 3434 * Disable queue sorting for non-rotational media 3435 * by default. 3436 */ 3437 if (ata_params->media_rotation_rate == 1) 3438 softc->sort_io_queue = 0; 3439 } else { 3440 int error; 3441 error = daerror(done_ccb, CAM_RETRY_SELTO, 3442 SF_RETRY_UA|SF_NO_PRINT); 3443 if (error == ERESTART) 3444 return; 3445 else if (error != 0) { 3446 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 3447 /* Don't wedge this device's queue */ 3448 cam_release_devq(done_ccb->ccb_h.path, 3449 /*relsim_flags*/0, 3450 /*reduction*/0, 3451 /*timeout*/0, 3452 /*getcount_only*/0); 3453 } 3454 } 3455 } 3456 3457 free(ata_params, M_SCSIDA); 3458 daprobedone(periph, done_ccb); 3459 return; 3460 } 3461 case DA_CCB_DUMP: 3462 /* No-op. We're polling */ 3463 return; 3464 case DA_CCB_TUR: 3465 { 3466 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 3467 3468 if (daerror(done_ccb, CAM_RETRY_SELTO, 3469 SF_RETRY_UA | SF_NO_RECOVERY | SF_NO_PRINT) == 3470 ERESTART) 3471 return; 3472 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 3473 cam_release_devq(done_ccb->ccb_h.path, 3474 /*relsim_flags*/0, 3475 /*reduction*/0, 3476 /*timeout*/0, 3477 /*getcount_only*/0); 3478 } 3479 xpt_release_ccb(done_ccb); 3480 cam_periph_release_locked(periph); 3481 return; 3482 } 3483 default: 3484 break; 3485 } 3486 xpt_release_ccb(done_ccb); 3487} 3488 3489static void 3490dareprobe(struct cam_periph *periph) 3491{ 3492 struct da_softc *softc; 3493 cam_status status; 3494 3495 softc = (struct da_softc *)periph->softc; 3496 3497 /* Probe in progress; don't interfere. */ 3498 if (softc->state != DA_STATE_NORMAL) 3499 return; 3500 3501 status = cam_periph_acquire(periph); 3502 KASSERT(status == CAM_REQ_CMP, 3503 ("dareprobe: cam_periph_acquire failed")); 3504 3505 if (softc->flags & DA_FLAG_CAN_RC16) 3506 softc->state = DA_STATE_PROBE_RC16; 3507 else 3508 softc->state = DA_STATE_PROBE_RC; 3509 3510 xpt_schedule(periph, CAM_PRIORITY_DEV); 3511} 3512 3513static int 3514daerror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags) 3515{ 3516 struct da_softc *softc; 3517 struct cam_periph *periph; 3518 int error, error_code, sense_key, asc, ascq; 3519 3520 periph = xpt_path_periph(ccb->ccb_h.path); 3521 softc = (struct da_softc *)periph->softc; 3522 3523 /* 3524 * Automatically detect devices that do not support 3525 * READ(6)/WRITE(6) and upgrade to using 10 byte cdbs. 3526 */ 3527 error = 0; 3528 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INVALID) { 3529 error = cmd6workaround(ccb); 3530 } else if (scsi_extract_sense_ccb(ccb, 3531 &error_code, &sense_key, &asc, &ascq)) { 3532 if (sense_key == SSD_KEY_ILLEGAL_REQUEST) 3533 error = cmd6workaround(ccb); 3534 /* 3535 * If the target replied with CAPACITY DATA HAS CHANGED UA, 3536 * query the capacity and notify upper layers. 3537 */ 3538 else if (sense_key == SSD_KEY_UNIT_ATTENTION && 3539 asc == 0x2A && ascq == 0x09) { 3540 xpt_print(periph->path, "Capacity data has changed\n"); 3541 softc->flags &= ~DA_FLAG_PROBED; 3542 dareprobe(periph); 3543 sense_flags |= SF_NO_PRINT; 3544 } else if (sense_key == SSD_KEY_UNIT_ATTENTION && 3545 asc == 0x28 && ascq == 0x00) { 3546 softc->flags &= ~DA_FLAG_PROBED; 3547 disk_media_changed(softc->disk, M_NOWAIT); 3548 } else if (sense_key == SSD_KEY_UNIT_ATTENTION && 3549 asc == 0x3F && ascq == 0x03) { 3550 xpt_print(periph->path, "INQUIRY data has changed\n"); 3551 softc->flags &= ~DA_FLAG_PROBED; 3552 dareprobe(periph); 3553 sense_flags |= SF_NO_PRINT; 3554 } else if (sense_key == SSD_KEY_NOT_READY && 3555 asc == 0x3a && (softc->flags & DA_FLAG_PACK_INVALID) == 0) { 3556 softc->flags |= DA_FLAG_PACK_INVALID; 3557 disk_media_gone(softc->disk, M_NOWAIT); 3558 } 3559 } 3560 if (error == ERESTART) 3561 return (ERESTART); 3562 3563 /* 3564 * XXX 3565 * Until we have a better way of doing pack validation, 3566 * don't treat UAs as errors. 3567 */ 3568 sense_flags |= SF_RETRY_UA; 3569 return(cam_periph_error(ccb, cam_flags, sense_flags, 3570 &softc->saved_ccb)); 3571} 3572 3573static void 3574damediapoll(void *arg) 3575{ 3576 struct cam_periph *periph = arg; 3577 struct da_softc *softc = periph->softc; 3578 3579 if (!softc->tur && LIST_EMPTY(&softc->pending_ccbs)) { 3580 if (cam_periph_acquire(periph) == CAM_REQ_CMP) { 3581 softc->tur = 1; 3582 daschedule(periph); 3583 } 3584 } 3585 /* Queue us up again */ 3586 if (da_poll_period != 0) 3587 callout_schedule(&softc->mediapoll_c, da_poll_period * hz); 3588} 3589 3590static void 3591daprevent(struct cam_periph *periph, int action) 3592{ 3593 struct da_softc *softc; 3594 union ccb *ccb; 3595 int error; 3596 3597 softc = (struct da_softc *)periph->softc; 3598 3599 if (((action == PR_ALLOW) 3600 && (softc->flags & DA_FLAG_PACK_LOCKED) == 0) 3601 || ((action == PR_PREVENT) 3602 && (softc->flags & DA_FLAG_PACK_LOCKED) != 0)) { 3603 return; 3604 } 3605 3606 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 3607 3608 scsi_prevent(&ccb->csio, 3609 /*retries*/1, 3610 /*cbcfp*/dadone, 3611 MSG_SIMPLE_Q_TAG, 3612 action, 3613 SSD_FULL_SIZE, 3614 5000); 3615 3616 error = cam_periph_runccb(ccb, daerror, CAM_RETRY_SELTO, 3617 SF_RETRY_UA | SF_NO_PRINT, softc->disk->d_devstat); 3618 3619 if (error == 0) { 3620 if (action == PR_ALLOW) 3621 softc->flags &= ~DA_FLAG_PACK_LOCKED; 3622 else 3623 softc->flags |= DA_FLAG_PACK_LOCKED; 3624 } 3625 3626 xpt_release_ccb(ccb); 3627} 3628 3629static void 3630dasetgeom(struct cam_periph *periph, uint32_t block_len, uint64_t maxsector, 3631 struct scsi_read_capacity_data_long *rcaplong, size_t rcap_len) 3632{ 3633 struct ccb_calc_geometry ccg; 3634 struct da_softc *softc; 3635 struct disk_params *dp; 3636 u_int lbppbe, lalba; 3637 int error; 3638 3639 softc = (struct da_softc *)periph->softc; 3640 3641 dp = &softc->params; 3642 dp->secsize = block_len; 3643 dp->sectors = maxsector + 1; 3644 if (rcaplong != NULL) { 3645 lbppbe = rcaplong->prot_lbppbe & SRC16_LBPPBE; 3646 lalba = scsi_2btoul(rcaplong->lalba_lbp); 3647 lalba &= SRC16_LALBA_A; 3648 } else { 3649 lbppbe = 0; 3650 lalba = 0; 3651 } 3652 3653 if (lbppbe > 0) { 3654 dp->stripesize = block_len << lbppbe; 3655 dp->stripeoffset = (dp->stripesize - block_len * lalba) % 3656 dp->stripesize; 3657 } else if (softc->quirks & DA_Q_4K) { 3658 dp->stripesize = 4096; 3659 dp->stripeoffset = 0; 3660 } else { 3661 dp->stripesize = 0; 3662 dp->stripeoffset = 0; 3663 } 3664 /* 3665 * Have the controller provide us with a geometry 3666 * for this disk. The only time the geometry 3667 * matters is when we boot and the controller 3668 * is the only one knowledgeable enough to come 3669 * up with something that will make this a bootable 3670 * device. 3671 */ 3672 xpt_setup_ccb(&ccg.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 3673 ccg.ccb_h.func_code = XPT_CALC_GEOMETRY; 3674 ccg.block_size = dp->secsize; 3675 ccg.volume_size = dp->sectors; 3676 ccg.heads = 0; 3677 ccg.secs_per_track = 0; 3678 ccg.cylinders = 0; 3679 xpt_action((union ccb*)&ccg); 3680 if ((ccg.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 3681 /* 3682 * We don't know what went wrong here- but just pick 3683 * a geometry so we don't have nasty things like divide 3684 * by zero. 3685 */ 3686 dp->heads = 255; 3687 dp->secs_per_track = 255; 3688 dp->cylinders = dp->sectors / (255 * 255); 3689 if (dp->cylinders == 0) { 3690 dp->cylinders = 1; 3691 } 3692 } else { 3693 dp->heads = ccg.heads; 3694 dp->secs_per_track = ccg.secs_per_track; 3695 dp->cylinders = ccg.cylinders; 3696 } 3697 3698 /* 3699 * If the user supplied a read capacity buffer, and if it is 3700 * different than the previous buffer, update the data in the EDT. 3701 * If it's the same, we don't bother. This avoids sending an 3702 * update every time someone opens this device. 3703 */ 3704 if ((rcaplong != NULL) 3705 && (bcmp(rcaplong, &softc->rcaplong, 3706 min(sizeof(softc->rcaplong), rcap_len)) != 0)) { 3707 struct ccb_dev_advinfo cdai; 3708 3709 xpt_setup_ccb(&cdai.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 3710 cdai.ccb_h.func_code = XPT_DEV_ADVINFO; 3711 cdai.buftype = CDAI_TYPE_RCAPLONG; 3712 cdai.flags |= CDAI_FLAG_STORE; 3713 cdai.bufsiz = rcap_len; 3714 cdai.buf = (uint8_t *)rcaplong; 3715 xpt_action((union ccb *)&cdai); 3716 if ((cdai.ccb_h.status & CAM_DEV_QFRZN) != 0) 3717 cam_release_devq(cdai.ccb_h.path, 0, 0, 0, FALSE); 3718 if (cdai.ccb_h.status != CAM_REQ_CMP) { 3719 xpt_print(periph->path, "%s: failed to set read " 3720 "capacity advinfo\n", __func__); 3721 /* Use cam_error_print() to decode the status */ 3722 cam_error_print((union ccb *)&cdai, CAM_ESF_CAM_STATUS, 3723 CAM_EPF_ALL); 3724 } else { 3725 bcopy(rcaplong, &softc->rcaplong, 3726 min(sizeof(softc->rcaplong), rcap_len)); 3727 } 3728 } 3729 3730 softc->disk->d_sectorsize = softc->params.secsize; 3731 softc->disk->d_mediasize = softc->params.secsize * (off_t)softc->params.sectors; 3732 softc->disk->d_stripesize = softc->params.stripesize; 3733 softc->disk->d_stripeoffset = softc->params.stripeoffset; 3734 /* XXX: these are not actually "firmware" values, so they may be wrong */ 3735 softc->disk->d_fwsectors = softc->params.secs_per_track; 3736 softc->disk->d_fwheads = softc->params.heads; 3737 softc->disk->d_devstat->block_size = softc->params.secsize; 3738 softc->disk->d_devstat->flags &= ~DEVSTAT_BS_UNAVAILABLE; 3739 3740 error = disk_resize(softc->disk, M_NOWAIT); 3741 if (error != 0) 3742 xpt_print(periph->path, "disk_resize(9) failed, error = %d\n", error); 3743} 3744 3745static void 3746dasendorderedtag(void *arg) 3747{ 3748 struct da_softc *softc = arg; 3749 3750 if (da_send_ordered) { 3751 if (!LIST_EMPTY(&softc->pending_ccbs)) { 3752 if ((softc->flags & DA_FLAG_WAS_OTAG) == 0) 3753 softc->flags |= DA_FLAG_NEED_OTAG; 3754 softc->flags &= ~DA_FLAG_WAS_OTAG; 3755 } 3756 } 3757 /* Queue us up again */ 3758 callout_reset(&softc->sendordered_c, 3759 (da_default_timeout * hz) / DA_ORDEREDTAG_INTERVAL, 3760 dasendorderedtag, softc); 3761} 3762 3763/* 3764 * Step through all DA peripheral drivers, and if the device is still open, 3765 * sync the disk cache to physical media. 3766 */ 3767static void 3768dashutdown(void * arg, int howto) 3769{ 3770 struct cam_periph *periph; 3771 struct da_softc *softc; 3772 union ccb *ccb; 3773 int error; 3774 3775 CAM_PERIPH_FOREACH(periph, &dadriver) { 3776 softc = (struct da_softc *)periph->softc; 3777 if (SCHEDULER_STOPPED()) { 3778 /* If we paniced with the lock held, do not recurse. */ 3779 if (!cam_periph_owned(periph) && 3780 (softc->flags & DA_FLAG_OPEN)) { 3781 dadump(softc->disk, NULL, 0, 0, 0); 3782 } 3783 continue; 3784 } 3785 cam_periph_lock(periph); 3786 3787 /* 3788 * We only sync the cache if the drive is still open, and 3789 * if the drive is capable of it.. 3790 */ 3791 if (((softc->flags & DA_FLAG_OPEN) == 0) 3792 || (softc->quirks & DA_Q_NO_SYNC_CACHE)) { 3793 cam_periph_unlock(periph); 3794 continue; 3795 } 3796 3797 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 3798 scsi_synchronize_cache(&ccb->csio, 3799 /*retries*/0, 3800 /*cbfcnp*/dadone, 3801 MSG_SIMPLE_Q_TAG, 3802 /*begin_lba*/0, /* whole disk */ 3803 /*lb_count*/0, 3804 SSD_FULL_SIZE, 3805 60 * 60 * 1000); 3806 3807 error = cam_periph_runccb(ccb, daerror, /*cam_flags*/0, 3808 /*sense_flags*/ SF_NO_RECOVERY | SF_NO_RETRY | SF_QUIET_IR, 3809 softc->disk->d_devstat); 3810 if (error != 0) 3811 xpt_print(periph->path, "Synchronize cache failed\n"); 3812 xpt_release_ccb(ccb); 3813 cam_periph_unlock(periph); 3814 } 3815} 3816 3817#else /* !_KERNEL */ 3818 3819/* 3820 * XXX This is only left out of the kernel build to silence warnings. If, 3821 * for some reason this function is used in the kernel, the ifdefs should 3822 * be moved so it is included both in the kernel and userland. 3823 */ 3824void 3825scsi_format_unit(struct ccb_scsiio *csio, u_int32_t retries, 3826 void (*cbfcnp)(struct cam_periph *, union ccb *), 3827 u_int8_t tag_action, u_int8_t byte2, u_int16_t ileave, 3828 u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len, 3829 u_int32_t timeout) 3830{ 3831 struct scsi_format_unit *scsi_cmd; 3832 3833 scsi_cmd = (struct scsi_format_unit *)&csio->cdb_io.cdb_bytes; 3834 scsi_cmd->opcode = FORMAT_UNIT; 3835 scsi_cmd->byte2 = byte2; 3836 scsi_ulto2b(ileave, scsi_cmd->interleave); 3837 3838 cam_fill_csio(csio, 3839 retries, 3840 cbfcnp, 3841 /*flags*/ (dxfer_len > 0) ? CAM_DIR_OUT : CAM_DIR_NONE, 3842 tag_action, 3843 data_ptr, 3844 dxfer_len, 3845 sense_len, 3846 sizeof(*scsi_cmd), 3847 timeout); 3848} 3849 3850void 3851scsi_sanitize(struct ccb_scsiio *csio, u_int32_t retries, 3852 void (*cbfcnp)(struct cam_periph *, union ccb *), 3853 u_int8_t tag_action, u_int8_t byte2, u_int16_t control, 3854 u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len, 3855 u_int32_t timeout) 3856{ 3857 struct scsi_sanitize *scsi_cmd; 3858 3859 scsi_cmd = (struct scsi_sanitize *)&csio->cdb_io.cdb_bytes; 3860 scsi_cmd->opcode = SANITIZE; 3861 scsi_cmd->byte2 = byte2; 3862 scsi_cmd->control = control; 3863 scsi_ulto2b(dxfer_len, scsi_cmd->length); 3864 3865 cam_fill_csio(csio, 3866 retries, 3867 cbfcnp, 3868 /*flags*/ (dxfer_len > 0) ? CAM_DIR_OUT : CAM_DIR_NONE, 3869 tag_action, 3870 data_ptr, 3871 dxfer_len, 3872 sense_len, 3873 sizeof(*scsi_cmd), 3874 timeout); 3875} 3876 3877#endif /* _KERNEL */ 3878