Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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sys/cam/scsi/scsi_da.c
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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: releng/9.1/sys/cam/scsi/scsi_da.c 239742 2012-08-27 18:12:08Z jimharris $"); 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 <geom/geom.h> 48 #include <geom/geom_disk.h> 49 #endif /* _KERNEL */ 50 51 #ifndef _KERNEL 52 #include <stdio.h> 53 #include <string.h> 54 #endif /* _KERNEL */ 55 56 #include <cam/cam.h> 57 #include <cam/cam_ccb.h> 58 #include <cam/cam_periph.h> 59 #include <cam/cam_xpt_periph.h> 60 #include <cam/cam_sim.h> 61 62 #include <cam/scsi/scsi_message.h> 63 64 #ifndef _KERNEL 65 #include <cam/scsi/scsi_da.h> 66 #endif /* !_KERNEL */ 67 68 #ifdef _KERNEL 69 typedef enum { 70 DA_STATE_PROBE, 71 DA_STATE_PROBE2, 72 DA_STATE_NORMAL 73 } da_state; 74 75 typedef enum { 76 DA_FLAG_PACK_INVALID = 0x001, 77 DA_FLAG_NEW_PACK = 0x002, 78 DA_FLAG_PACK_LOCKED = 0x004, 79 DA_FLAG_PACK_REMOVABLE = 0x008, 80 DA_FLAG_NEED_OTAG = 0x020, 81 DA_FLAG_WENT_IDLE = 0x040, 82 DA_FLAG_RETRY_UA = 0x080, 83 DA_FLAG_OPEN = 0x100, 84 DA_FLAG_SCTX_INIT = 0x200, 85 DA_FLAG_CAN_RC16 = 0x400 86 } da_flags; 87 88 typedef enum { 89 DA_Q_NONE = 0x00, 90 DA_Q_NO_SYNC_CACHE = 0x01, 91 DA_Q_NO_6_BYTE = 0x02, 92 DA_Q_NO_PREVENT = 0x04, 93 DA_Q_4K = 0x08 94 } da_quirks; 95 96 typedef enum { 97 DA_CCB_PROBE = 0x01, 98 DA_CCB_PROBE2 = 0x02, 99 DA_CCB_BUFFER_IO = 0x03, 100 DA_CCB_WAITING = 0x04, 101 DA_CCB_DUMP = 0x05, 102 DA_CCB_DELETE = 0x06, 103 DA_CCB_TYPE_MASK = 0x0F, 104 DA_CCB_RETRY_UA = 0x10 105 } da_ccb_state; 106 107 typedef enum { 108 DA_DELETE_NONE, 109 DA_DELETE_DISABLE, 110 DA_DELETE_ZERO, 111 DA_DELETE_WS10, 112 DA_DELETE_WS16, 113 DA_DELETE_UNMAP, 114 DA_DELETE_MAX = DA_DELETE_UNMAP 115 } da_delete_methods; 116 117 static const char *da_delete_method_names[] = 118 { "NONE", "DISABLE", "ZERO", "WS10", "WS16", "UNMAP" }; 119 120 /* Offsets into our private area for storing information */ 121 #define ccb_state ppriv_field0 122 #define ccb_bp ppriv_ptr1 123 124 struct disk_params { 125 u_int8_t heads; 126 u_int32_t cylinders; 127 u_int8_t secs_per_track; 128 u_int32_t secsize; /* Number of bytes/sector */ 129 u_int64_t sectors; /* total number sectors */ 130 u_int stripesize; 131 u_int stripeoffset; 132 }; 133 134 #define UNMAP_MAX_RANGES 512 135 136 struct da_softc { 137 struct bio_queue_head bio_queue; 138 struct bio_queue_head delete_queue; 139 struct bio_queue_head delete_run_queue; 140 SLIST_ENTRY(da_softc) links; 141 LIST_HEAD(, ccb_hdr) pending_ccbs; 142 da_state state; 143 da_flags flags; 144 da_quirks quirks; 145 int minimum_cmd_size; 146 int error_inject; 147 int ordered_tag_count; 148 int outstanding_cmds; 149 int unmap_max_ranges; 150 int unmap_max_lba; 151 int delete_running; 152 da_delete_methods delete_method; 153 struct disk_params params; 154 struct disk *disk; 155 union ccb saved_ccb; 156 struct task sysctl_task; 157 struct sysctl_ctx_list sysctl_ctx; 158 struct sysctl_oid *sysctl_tree; 159 struct callout sendordered_c; 160 uint64_t wwpn; 161 uint8_t unmap_buf[UNMAP_MAX_RANGES * 16 + 8]; 162 }; 163 164 struct da_quirk_entry { 165 struct scsi_inquiry_pattern inq_pat; 166 da_quirks quirks; 167 }; 168 169 static const char quantum[] = "QUANTUM"; 170 static const char microp[] = "MICROP"; 171 172 static struct da_quirk_entry da_quirk_table[] = 173 { 174 /* SPI, FC devices */ 175 { 176 /* 177 * Fujitsu M2513A MO drives. 178 * Tested devices: M2513A2 firmware versions 1200 & 1300. 179 * (dip switch selects whether T_DIRECT or T_OPTICAL device) 180 * Reported by: W.Scholten <whs@xs4all.nl> 181 */ 182 {T_DIRECT, SIP_MEDIA_REMOVABLE, "FUJITSU", "M2513A", "*"}, 183 /*quirks*/ DA_Q_NO_SYNC_CACHE 184 }, 185 { 186 /* See above. */ 187 {T_OPTICAL, SIP_MEDIA_REMOVABLE, "FUJITSU", "M2513A", "*"}, 188 /*quirks*/ DA_Q_NO_SYNC_CACHE 189 }, 190 { 191 /* 192 * This particular Fujitsu drive doesn't like the 193 * synchronize cache command. 194 * Reported by: Tom Jackson <toj@gorilla.net> 195 */ 196 {T_DIRECT, SIP_MEDIA_FIXED, "FUJITSU", "M2954*", "*"}, 197 /*quirks*/ DA_Q_NO_SYNC_CACHE 198 }, 199 { 200 /* 201 * This drive doesn't like the synchronize cache command 202 * either. Reported by: Matthew Jacob <mjacob@feral.com> 203 * in NetBSD PR kern/6027, August 24, 1998. 204 */ 205 {T_DIRECT, SIP_MEDIA_FIXED, microp, "2217*", "*"}, 206 /*quirks*/ DA_Q_NO_SYNC_CACHE 207 }, 208 { 209 /* 210 * This drive doesn't like the synchronize cache command 211 * either. Reported by: Hellmuth Michaelis (hm@kts.org) 212 * (PR 8882). 213 */ 214 {T_DIRECT, SIP_MEDIA_FIXED, microp, "2112*", "*"}, 215 /*quirks*/ DA_Q_NO_SYNC_CACHE 216 }, 217 { 218 /* 219 * Doesn't like the synchronize cache command. 220 * Reported by: Blaz Zupan <blaz@gold.amis.net> 221 */ 222 {T_DIRECT, SIP_MEDIA_FIXED, "NEC", "D3847*", "*"}, 223 /*quirks*/ DA_Q_NO_SYNC_CACHE 224 }, 225 { 226 /* 227 * Doesn't like the synchronize cache command. 228 * Reported by: Blaz Zupan <blaz@gold.amis.net> 229 */ 230 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "MAVERICK 540S", "*"}, 231 /*quirks*/ DA_Q_NO_SYNC_CACHE 232 }, 233 { 234 /* 235 * Doesn't like the synchronize cache command. 236 */ 237 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "LPS525S", "*"}, 238 /*quirks*/ DA_Q_NO_SYNC_CACHE 239 }, 240 { 241 /* 242 * Doesn't like the synchronize cache command. 243 * Reported by: walter@pelissero.de 244 */ 245 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "LPS540S", "*"}, 246 /*quirks*/ DA_Q_NO_SYNC_CACHE 247 }, 248 { 249 /* 250 * Doesn't work correctly with 6 byte reads/writes. 251 * Returns illegal request, and points to byte 9 of the 252 * 6-byte CDB. 253 * Reported by: Adam McDougall <bsdx@spawnet.com> 254 */ 255 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "VIKING 4*", "*"}, 256 /*quirks*/ DA_Q_NO_6_BYTE 257 }, 258 { 259 /* See above. */ 260 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "VIKING 2*", "*"}, 261 /*quirks*/ DA_Q_NO_6_BYTE 262 }, 263 { 264 /* 265 * Doesn't like the synchronize cache command. 266 * Reported by: walter@pelissero.de 267 */ 268 {T_DIRECT, SIP_MEDIA_FIXED, "CONNER", "CP3500*", "*"}, 269 /*quirks*/ DA_Q_NO_SYNC_CACHE 270 }, 271 { 272 /* 273 * The CISS RAID controllers do not support SYNC_CACHE 274 */ 275 {T_DIRECT, SIP_MEDIA_FIXED, "COMPAQ", "RAID*", "*"}, 276 /*quirks*/ DA_Q_NO_SYNC_CACHE 277 }, 278 /* USB mass storage devices supported by umass(4) */ 279 { 280 /* 281 * EXATELECOM (Sigmatel) i-Bead 100/105 USB Flash MP3 Player 282 * PR: kern/51675 283 */ 284 {T_DIRECT, SIP_MEDIA_REMOVABLE, "EXATEL", "i-BEAD10*", "*"}, 285 /*quirks*/ DA_Q_NO_SYNC_CACHE 286 }, 287 { 288 /* 289 * Power Quotient Int. (PQI) USB flash key 290 * PR: kern/53067 291 */ 292 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "USB Flash Disk*", 293 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 294 }, 295 { 296 /* 297 * Creative Nomad MUVO mp3 player (USB) 298 * PR: kern/53094 299 */ 300 {T_DIRECT, SIP_MEDIA_REMOVABLE, "CREATIVE", "NOMAD_MUVO", "*"}, 301 /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT 302 }, 303 { 304 /* 305 * Jungsoft NEXDISK USB flash key 306 * PR: kern/54737 307 */ 308 {T_DIRECT, SIP_MEDIA_REMOVABLE, "JUNGSOFT", "NEXDISK*", "*"}, 309 /*quirks*/ DA_Q_NO_SYNC_CACHE 310 }, 311 { 312 /* 313 * FreeDik USB Mini Data Drive 314 * PR: kern/54786 315 */ 316 {T_DIRECT, SIP_MEDIA_REMOVABLE, "FreeDik*", "Mini Data Drive", 317 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 318 }, 319 { 320 /* 321 * Sigmatel USB Flash MP3 Player 322 * PR: kern/57046 323 */ 324 {T_DIRECT, SIP_MEDIA_REMOVABLE, "SigmaTel", "MSCN", "*"}, 325 /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT 326 }, 327 { 328 /* 329 * Neuros USB Digital Audio Computer 330 * PR: kern/63645 331 */ 332 {T_DIRECT, SIP_MEDIA_REMOVABLE, "NEUROS", "dig. audio comp.", 333 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 334 }, 335 { 336 /* 337 * SEAGRAND NP-900 MP3 Player 338 * PR: kern/64563 339 */ 340 {T_DIRECT, SIP_MEDIA_REMOVABLE, "SEAGRAND", "NP-900*", "*"}, 341 /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT 342 }, 343 { 344 /* 345 * iRiver iFP MP3 player (with UMS Firmware) 346 * PR: kern/54881, i386/63941, kern/66124 347 */ 348 {T_DIRECT, SIP_MEDIA_REMOVABLE, "iRiver", "iFP*", "*"}, 349 /*quirks*/ DA_Q_NO_SYNC_CACHE 350 }, 351 { 352 /* 353 * Frontier Labs NEX IA+ Digital Audio Player, rev 1.10/0.01 354 * PR: kern/70158 355 */ 356 {T_DIRECT, SIP_MEDIA_REMOVABLE, "FL" , "Nex*", "*"}, 357 /*quirks*/ DA_Q_NO_SYNC_CACHE 358 }, 359 { 360 /* 361 * ZICPlay USB MP3 Player with FM 362 * PR: kern/75057 363 */ 364 {T_DIRECT, SIP_MEDIA_REMOVABLE, "ACTIONS*" , "USB DISK*", "*"}, 365 /*quirks*/ DA_Q_NO_SYNC_CACHE 366 }, 367 { 368 /* 369 * TEAC USB floppy mechanisms 370 */ 371 {T_DIRECT, SIP_MEDIA_REMOVABLE, "TEAC" , "FD-05*", "*"}, 372 /*quirks*/ DA_Q_NO_SYNC_CACHE 373 }, 374 { 375 /* 376 * Kingston DataTraveler II+ USB Pen-Drive. 377 * Reported by: Pawel Jakub Dawidek <pjd@FreeBSD.org> 378 */ 379 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Kingston" , "DataTraveler II+", 380 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 381 }, 382 { 383 /* 384 * Motorola E398 Mobile Phone (TransFlash memory card). 385 * Reported by: Wojciech A. Koszek <dunstan@FreeBSD.czest.pl> 386 * PR: usb/89889 387 */ 388 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Motorola" , "Motorola Phone", 389 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 390 }, 391 { 392 /* 393 * Qware BeatZkey! Pro 394 * PR: usb/79164 395 */ 396 {T_DIRECT, SIP_MEDIA_REMOVABLE, "GENERIC", "USB DISK DEVICE", 397 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 398 }, 399 { 400 /* 401 * Time DPA20B 1GB MP3 Player 402 * PR: usb/81846 403 */ 404 {T_DIRECT, SIP_MEDIA_REMOVABLE, "USB2.0*", "(FS) FLASH DISK*", 405 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 406 }, 407 { 408 /* 409 * Samsung USB key 128Mb 410 * PR: usb/90081 411 */ 412 {T_DIRECT, SIP_MEDIA_REMOVABLE, "USB-DISK", "FreeDik-FlashUsb", 413 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 414 }, 415 { 416 /* 417 * Kingston DataTraveler 2.0 USB Flash memory. 418 * PR: usb/89196 419 */ 420 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Kingston", "DataTraveler 2.0", 421 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 422 }, 423 { 424 /* 425 * Creative MUVO Slim mp3 player (USB) 426 * PR: usb/86131 427 */ 428 {T_DIRECT, SIP_MEDIA_REMOVABLE, "CREATIVE", "MuVo Slim", 429 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT 430 }, 431 { 432 /* 433 * United MP5512 Portable MP3 Player (2-in-1 USB DISK/MP3) 434 * PR: usb/80487 435 */ 436 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "MUSIC DISK", 437 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 438 }, 439 { 440 /* 441 * SanDisk Micro Cruzer 128MB 442 * PR: usb/75970 443 */ 444 {T_DIRECT, SIP_MEDIA_REMOVABLE, "SanDisk" , "Micro Cruzer", 445 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 446 }, 447 { 448 /* 449 * TOSHIBA TransMemory USB sticks 450 * PR: kern/94660 451 */ 452 {T_DIRECT, SIP_MEDIA_REMOVABLE, "TOSHIBA", "TransMemory", 453 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 454 }, 455 { 456 /* 457 * PNY USB Flash keys 458 * PR: usb/75578, usb/72344, usb/65436 459 */ 460 {T_DIRECT, SIP_MEDIA_REMOVABLE, "*" , "USB DISK*", 461 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 462 }, 463 { 464 /* 465 * Genesys 6-in-1 Card Reader 466 * PR: usb/94647 467 */ 468 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "STORAGE DEVICE*", 469 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 470 }, 471 { 472 /* 473 * Rekam Digital CAMERA 474 * PR: usb/98713 475 */ 476 {T_DIRECT, SIP_MEDIA_REMOVABLE, "CAMERA*", "4MP-9J6*", 477 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 478 }, 479 { 480 /* 481 * iRiver H10 MP3 player 482 * PR: usb/102547 483 */ 484 {T_DIRECT, SIP_MEDIA_REMOVABLE, "iriver", "H10*", 485 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 486 }, 487 { 488 /* 489 * iRiver U10 MP3 player 490 * PR: usb/92306 491 */ 492 {T_DIRECT, SIP_MEDIA_REMOVABLE, "iriver", "U10*", 493 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 494 }, 495 { 496 /* 497 * X-Micro Flash Disk 498 * PR: usb/96901 499 */ 500 {T_DIRECT, SIP_MEDIA_REMOVABLE, "X-Micro", "Flash Disk", 501 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 502 }, 503 { 504 /* 505 * EasyMP3 EM732X USB 2.0 Flash MP3 Player 506 * PR: usb/96546 507 */ 508 {T_DIRECT, SIP_MEDIA_REMOVABLE, "EM732X", "MP3 Player*", 509 "1.00"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 510 }, 511 { 512 /* 513 * Denver MP3 player 514 * PR: usb/107101 515 */ 516 {T_DIRECT, SIP_MEDIA_REMOVABLE, "DENVER", "MP3 PLAYER", 517 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 518 }, 519 { 520 /* 521 * Philips USB Key Audio KEY013 522 * PR: usb/68412 523 */ 524 {T_DIRECT, SIP_MEDIA_REMOVABLE, "PHILIPS", "Key*", "*"}, 525 /*quirks*/ DA_Q_NO_SYNC_CACHE | DA_Q_NO_PREVENT 526 }, 527 { 528 /* 529 * JNC MP3 Player 530 * PR: usb/94439 531 */ 532 {T_DIRECT, SIP_MEDIA_REMOVABLE, "JNC*" , "MP3 Player*", 533 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 534 }, 535 { 536 /* 537 * SAMSUNG MP0402H 538 * PR: usb/108427 539 */ 540 {T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "MP0402H", "*"}, 541 /*quirks*/ DA_Q_NO_SYNC_CACHE 542 }, 543 { 544 /* 545 * I/O Magic USB flash - Giga Bank 546 * PR: usb/108810 547 */ 548 {T_DIRECT, SIP_MEDIA_FIXED, "GS-Magic", "stor*", "*"}, 549 /*quirks*/ DA_Q_NO_SYNC_CACHE 550 }, 551 { 552 /* 553 * JoyFly 128mb USB Flash Drive 554 * PR: 96133 555 */ 556 {T_DIRECT, SIP_MEDIA_REMOVABLE, "USB 2.0", "Flash Disk*", 557 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 558 }, 559 { 560 /* 561 * ChipsBnk usb stick 562 * PR: 103702 563 */ 564 {T_DIRECT, SIP_MEDIA_REMOVABLE, "ChipsBnk", "USB*", 565 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 566 }, 567 { 568 /* 569 * Storcase (Kingston) InfoStation IFS FC2/SATA-R 201A 570 * PR: 129858 571 */ 572 {T_DIRECT, SIP_MEDIA_FIXED, "IFS", "FC2/SATA-R*", 573 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 574 }, 575 { 576 /* 577 * Samsung YP-U3 mp3-player 578 * PR: 125398 579 */ 580 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Samsung", "YP-U3", 581 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 582 }, 583 { 584 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Netac", "OnlyDisk*", 585 "2000"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 586 }, 587 { 588 /* 589 * Sony Cyber-Shot DSC cameras 590 * PR: usb/137035 591 */ 592 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Sony", "Sony DSC", "*"}, 593 /*quirks*/ DA_Q_NO_SYNC_CACHE | DA_Q_NO_PREVENT 594 }, 595 /* ATA/SATA devices over SAS/USB/... */ 596 { 597 /* Hitachi Advanced Format (4k) drives */ 598 { T_DIRECT, SIP_MEDIA_FIXED, "Hitachi", "H??????????E3*", "*" }, 599 /*quirks*/DA_Q_4K 600 }, 601 { 602 /* Samsung Advanced Format (4k) drives */ 603 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SAMSUNG HD155UI*", "*" }, 604 /*quirks*/DA_Q_4K 605 }, 606 { 607 /* Samsung Advanced Format (4k) drives */ 608 { T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "HD155UI*", "*" }, 609 /*quirks*/DA_Q_4K 610 }, 611 { 612 /* Samsung Advanced Format (4k) drives */ 613 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SAMSUNG HD204UI*", "*" }, 614 /*quirks*/DA_Q_4K 615 }, 616 { 617 /* Samsung Advanced Format (4k) drives */ 618 { T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "HD204UI*", "*" }, 619 /*quirks*/DA_Q_4K 620 }, 621 { 622 /* Seagate Barracuda Green Advanced Format (4k) drives */ 623 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST????DL*", "*" }, 624 /*quirks*/DA_Q_4K 625 }, 626 { 627 /* Seagate Barracuda Green Advanced Format (4k) drives */ 628 { T_DIRECT, SIP_MEDIA_FIXED, "ST????DL", "*", "*" }, 629 /*quirks*/DA_Q_4K 630 }, 631 { 632 /* Seagate Barracuda Green Advanced Format (4k) drives */ 633 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST???DM*", "*" }, 634 /*quirks*/DA_Q_4K 635 }, 636 { 637 /* Seagate Barracuda Green Advanced Format (4k) drives */ 638 { T_DIRECT, SIP_MEDIA_FIXED, "ST???DM*", "*", "*" }, 639 /*quirks*/DA_Q_4K 640 }, 641 { 642 /* Seagate Barracuda Green Advanced Format (4k) drives */ 643 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST????DM*", "*" }, 644 /*quirks*/DA_Q_4K 645 }, 646 { 647 /* Seagate Barracuda Green Advanced Format (4k) drives */ 648 { T_DIRECT, SIP_MEDIA_FIXED, "ST????DM", "*", "*" }, 649 /*quirks*/DA_Q_4K 650 }, 651 { 652 /* Seagate Momentus Advanced Format (4k) drives */ 653 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9500423AS*", "*" }, 654 /*quirks*/DA_Q_4K 655 }, 656 { 657 /* Seagate Momentus Advanced Format (4k) drives */ 658 { T_DIRECT, SIP_MEDIA_FIXED, "ST950042", "3AS*", "*" }, 659 /*quirks*/DA_Q_4K 660 }, 661 { 662 /* Seagate Momentus Advanced Format (4k) drives */ 663 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9500424AS*", "*" }, 664 /*quirks*/DA_Q_4K 665 }, 666 { 667 /* Seagate Momentus Advanced Format (4k) drives */ 668 { T_DIRECT, SIP_MEDIA_FIXED, "ST950042", "4AS*", "*" }, 669 /*quirks*/DA_Q_4K 670 }, 671 { 672 /* Seagate Momentus Advanced Format (4k) drives */ 673 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9640423AS*", "*" }, 674 /*quirks*/DA_Q_4K 675 }, 676 { 677 /* Seagate Momentus Advanced Format (4k) drives */ 678 { T_DIRECT, SIP_MEDIA_FIXED, "ST964042", "3AS*", "*" }, 679 /*quirks*/DA_Q_4K 680 }, 681 { 682 /* Seagate Momentus Advanced Format (4k) drives */ 683 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9640424AS*", "*" }, 684 /*quirks*/DA_Q_4K 685 }, 686 { 687 /* Seagate Momentus Advanced Format (4k) drives */ 688 { T_DIRECT, SIP_MEDIA_FIXED, "ST964042", "4AS*", "*" }, 689 /*quirks*/DA_Q_4K 690 }, 691 { 692 /* Seagate Momentus Advanced Format (4k) drives */ 693 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9750420AS*", "*" }, 694 /*quirks*/DA_Q_4K 695 }, 696 { 697 /* Seagate Momentus Advanced Format (4k) drives */ 698 { T_DIRECT, SIP_MEDIA_FIXED, "ST975042", "0AS*", "*" }, 699 /*quirks*/DA_Q_4K 700 }, 701 { 702 /* Seagate Momentus Advanced Format (4k) drives */ 703 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9750422AS*", "*" }, 704 /*quirks*/DA_Q_4K 705 }, 706 { 707 /* Seagate Momentus Advanced Format (4k) drives */ 708 { T_DIRECT, SIP_MEDIA_FIXED, "ST975042", "2AS*", "*" }, 709 /*quirks*/DA_Q_4K 710 }, 711 { 712 /* Seagate Momentus Advanced Format (4k) drives */ 713 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9750423AS*", "*" }, 714 /*quirks*/DA_Q_4K 715 }, 716 { 717 /* Seagate Momentus Advanced Format (4k) drives */ 718 { T_DIRECT, SIP_MEDIA_FIXED, "ST975042", "3AS*", "*" }, 719 /*quirks*/DA_Q_4K 720 }, 721 { 722 /* Seagate Momentus Thin Advanced Format (4k) drives */ 723 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST???LT*", "*" }, 724 /*quirks*/DA_Q_4K 725 }, 726 { 727 /* Seagate Momentus Thin Advanced Format (4k) drives */ 728 { T_DIRECT, SIP_MEDIA_FIXED, "ST???LT*", "*", "*" }, 729 /*quirks*/DA_Q_4K 730 }, 731 { 732 /* WDC Caviar Green Advanced Format (4k) drives */ 733 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD????RS*", "*" }, 734 /*quirks*/DA_Q_4K 735 }, 736 { 737 /* WDC Caviar Green Advanced Format (4k) drives */ 738 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "??RS*", "*" }, 739 /*quirks*/DA_Q_4K 740 }, 741 { 742 /* WDC Caviar Green Advanced Format (4k) drives */ 743 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD????RX*", "*" }, 744 /*quirks*/DA_Q_4K 745 }, 746 { 747 /* WDC Caviar Green Advanced Format (4k) drives */ 748 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "??RX*", "*" }, 749 /*quirks*/DA_Q_4K 750 }, 751 { 752 /* WDC Caviar Green Advanced Format (4k) drives */ 753 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD??????RS*", "*" }, 754 /*quirks*/DA_Q_4K 755 }, 756 { 757 /* WDC Caviar Green Advanced Format (4k) drives */ 758 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "????RS*", "*" }, 759 /*quirks*/DA_Q_4K 760 }, 761 { 762 /* WDC Caviar Green Advanced Format (4k) drives */ 763 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD??????RX*", "*" }, 764 /*quirks*/DA_Q_4K 765 }, 766 { 767 /* WDC Caviar Green Advanced Format (4k) drives */ 768 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "????RX*", "*" }, 769 /*quirks*/DA_Q_4K 770 }, 771 { 772 /* WDC Scorpio Black Advanced Format (4k) drives */ 773 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD???PKT*", "*" }, 774 /*quirks*/DA_Q_4K 775 }, 776 { 777 /* WDC Scorpio Black Advanced Format (4k) drives */ 778 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "?PKT*", "*" }, 779 /*quirks*/DA_Q_4K 780 }, 781 { 782 /* WDC Scorpio Black Advanced Format (4k) drives */ 783 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD?????PKT*", "*" }, 784 /*quirks*/DA_Q_4K 785 }, 786 { 787 /* WDC Scorpio Black Advanced Format (4k) drives */ 788 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "???PKT*", "*" }, 789 /*quirks*/DA_Q_4K 790 }, 791 { 792 /* WDC Scorpio Blue Advanced Format (4k) drives */ 793 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD???PVT*", "*" }, 794 /*quirks*/DA_Q_4K 795 }, 796 { 797 /* WDC Scorpio Blue Advanced Format (4k) drives */ 798 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "?PVT*", "*" }, 799 /*quirks*/DA_Q_4K 800 }, 801 { 802 /* WDC Scorpio Blue Advanced Format (4k) drives */ 803 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD?????PVT*", "*" }, 804 /*quirks*/DA_Q_4K 805 }, 806 { 807 /* WDC Scorpio Blue Advanced Format (4k) drives */ 808 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "???PVT*", "*" }, 809 /*quirks*/DA_Q_4K 810 }, 811 { 812 /* 813 * Olympus FE-210 camera 814 */ 815 {T_DIRECT, SIP_MEDIA_REMOVABLE, "OLYMPUS", "FE210*", 816 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 817 }, 818 { 819 /* 820 * LG UP3S MP3 player 821 */ 822 {T_DIRECT, SIP_MEDIA_REMOVABLE, "LG", "UP3S", 823 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 824 }, 825 { 826 /* 827 * Laser MP3-2GA13 MP3 player 828 */ 829 {T_DIRECT, SIP_MEDIA_REMOVABLE, "USB 2.0", "(HS) Flash Disk", 830 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 831 }, 832 }; 833 834 static disk_strategy_t dastrategy; 835 static dumper_t dadump; 836 static periph_init_t dainit; 837 static void daasync(void *callback_arg, u_int32_t code, 838 struct cam_path *path, void *arg); 839 static void dasysctlinit(void *context, int pending); 840 static int dacmdsizesysctl(SYSCTL_HANDLER_ARGS); 841 static int dadeletemethodsysctl(SYSCTL_HANDLER_ARGS); 842 static periph_ctor_t daregister; 843 static periph_dtor_t dacleanup; 844 static periph_start_t dastart; 845 static periph_oninv_t daoninvalidate; 846 static void dadone(struct cam_periph *periph, 847 union ccb *done_ccb); 848 static int daerror(union ccb *ccb, u_int32_t cam_flags, 849 u_int32_t sense_flags); 850 static void daprevent(struct cam_periph *periph, int action); 851 static int dagetcapacity(struct cam_periph *periph); 852 static void dasetgeom(struct cam_periph *periph, uint32_t block_len, 853 uint64_t maxsector, u_int lbppbe, u_int lalba); 854 static timeout_t dasendorderedtag; 855 static void dashutdown(void *arg, int howto); 856 857 #ifndef DA_DEFAULT_TIMEOUT 858 #define DA_DEFAULT_TIMEOUT 60 /* Timeout in seconds */ 859 #endif 860 861 #ifndef DA_DEFAULT_RETRY 862 #define DA_DEFAULT_RETRY 4 863 #endif 864 865 #ifndef DA_DEFAULT_SEND_ORDERED 866 #define DA_DEFAULT_SEND_ORDERED 1 867 #endif 868 869 870 static int da_retry_count = DA_DEFAULT_RETRY; 871 static int da_default_timeout = DA_DEFAULT_TIMEOUT; 872 static int da_send_ordered = DA_DEFAULT_SEND_ORDERED; 873 874 SYSCTL_NODE(_kern_cam, OID_AUTO, da, CTLFLAG_RD, 0, 875 "CAM Direct Access Disk driver"); 876 SYSCTL_INT(_kern_cam_da, OID_AUTO, retry_count, CTLFLAG_RW, 877 &da_retry_count, 0, "Normal I/O retry count"); 878 TUNABLE_INT("kern.cam.da.retry_count", &da_retry_count); 879 SYSCTL_INT(_kern_cam_da, OID_AUTO, default_timeout, CTLFLAG_RW, 880 &da_default_timeout, 0, "Normal I/O timeout (in seconds)"); 881 TUNABLE_INT("kern.cam.da.default_timeout", &da_default_timeout); 882 SYSCTL_INT(_kern_cam_da, OID_AUTO, da_send_ordered, CTLFLAG_RW, 883 &da_send_ordered, 0, "Send Ordered Tags"); 884 TUNABLE_INT("kern.cam.da.da_send_ordered", &da_send_ordered); 885 886 /* 887 * DA_ORDEREDTAG_INTERVAL determines how often, relative 888 * to the default timeout, we check to see whether an ordered 889 * tagged transaction is appropriate to prevent simple tag 890 * starvation. Since we'd like to ensure that there is at least 891 * 1/2 of the timeout length left for a starved transaction to 892 * complete after we've sent an ordered tag, we must poll at least 893 * four times in every timeout period. This takes care of the worst 894 * case where a starved transaction starts during an interval that 895 * meets the requirement "don't send an ordered tag" test so it takes 896 * us two intervals to determine that a tag must be sent. 897 */ 898 #ifndef DA_ORDEREDTAG_INTERVAL 899 #define DA_ORDEREDTAG_INTERVAL 4 900 #endif 901 902 static struct periph_driver dadriver = 903 { 904 dainit, "da", 905 TAILQ_HEAD_INITIALIZER(dadriver.units), /* generation */ 0 906 }; 907 908 PERIPHDRIVER_DECLARE(da, dadriver); 909 910 MALLOC_DEFINE(M_SCSIDA, "scsi_da", "scsi_da buffers"); 911 912 static int 913 daopen(struct disk *dp) 914 { 915 struct cam_periph *periph; 916 struct da_softc *softc; 917 int unit; 918 int error; 919 920 periph = (struct cam_periph *)dp->d_drv1; 921 if (periph == NULL) { 922 return (ENXIO); 923 } 924 925 if (cam_periph_acquire(periph) != CAM_REQ_CMP) { 926 return (ENXIO); 927 } 928 929 cam_periph_lock(periph); 930 if ((error = cam_periph_hold(periph, PRIBIO|PCATCH)) != 0) { 931 cam_periph_unlock(periph); 932 cam_periph_release(periph); 933 return (error); 934 } 935 936 unit = periph->unit_number; 937 softc = (struct da_softc *)periph->softc; 938 softc->flags |= DA_FLAG_OPEN; 939 940 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH, 941 ("daopen\n")); 942 943 if ((softc->flags & DA_FLAG_PACK_INVALID) != 0) { 944 /* Invalidate our pack information. */ 945 softc->flags &= ~DA_FLAG_PACK_INVALID; 946 } 947 948 error = dagetcapacity(periph); 949 950 if (error == 0) { 951 952 softc->disk->d_sectorsize = softc->params.secsize; 953 softc->disk->d_mediasize = softc->params.secsize * (off_t)softc->params.sectors; 954 softc->disk->d_stripesize = softc->params.stripesize; 955 softc->disk->d_stripeoffset = softc->params.stripeoffset; 956 /* XXX: these are not actually "firmware" values, so they may be wrong */ 957 softc->disk->d_fwsectors = softc->params.secs_per_track; 958 softc->disk->d_fwheads = softc->params.heads; 959 softc->disk->d_devstat->block_size = softc->params.secsize; 960 softc->disk->d_devstat->flags &= ~DEVSTAT_BS_UNAVAILABLE; 961 if (softc->delete_method > DA_DELETE_DISABLE) 962 softc->disk->d_flags |= DISKFLAG_CANDELETE; 963 else 964 softc->disk->d_flags &= ~DISKFLAG_CANDELETE; 965 966 if ((softc->flags & DA_FLAG_PACK_REMOVABLE) != 0 && 967 (softc->quirks & DA_Q_NO_PREVENT) == 0) 968 daprevent(periph, PR_PREVENT); 969 } else 970 softc->flags &= ~DA_FLAG_OPEN; 971 972 cam_periph_unhold(periph); 973 cam_periph_unlock(periph); 974 975 if (error != 0) { 976 cam_periph_release(periph); 977 } 978 return (error); 979 } 980 981 static int 982 daclose(struct disk *dp) 983 { 984 struct cam_periph *periph; 985 struct da_softc *softc; 986 987 periph = (struct cam_periph *)dp->d_drv1; 988 if (periph == NULL) 989 return (0); 990 991 cam_periph_lock(periph); 992 if (cam_periph_hold(periph, PRIBIO) != 0) { 993 cam_periph_unlock(periph); 994 cam_periph_release(periph); 995 return (0); 996 } 997 998 softc = (struct da_softc *)periph->softc; 999 1000 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH, 1001 ("daclose\n")); 1002 1003 if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0 1004 && (softc->flags & DA_FLAG_PACK_INVALID) == 0) { 1005 union ccb *ccb; 1006 1007 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 1008 1009 scsi_synchronize_cache(&ccb->csio, 1010 /*retries*/1, 1011 /*cbfcnp*/dadone, 1012 MSG_SIMPLE_Q_TAG, 1013 /*begin_lba*/0,/* Cover the whole disk */ 1014 /*lb_count*/0, 1015 SSD_FULL_SIZE, 1016 5 * 60 * 1000); 1017 1018 cam_periph_runccb(ccb, daerror, /*cam_flags*/0, 1019 /*sense_flags*/SF_RETRY_UA | SF_QUIET_IR, 1020 softc->disk->d_devstat); 1021 xpt_release_ccb(ccb); 1022 1023 } 1024 1025 if ((softc->flags & DA_FLAG_PACK_REMOVABLE) != 0) { 1026 if ((softc->quirks & DA_Q_NO_PREVENT) == 0) 1027 daprevent(periph, PR_ALLOW); 1028 /* 1029 * If we've got removeable media, mark the blocksize as 1030 * unavailable, since it could change when new media is 1031 * inserted. 1032 */ 1033 softc->disk->d_devstat->flags |= DEVSTAT_BS_UNAVAILABLE; 1034 } 1035 1036 softc->flags &= ~DA_FLAG_OPEN; 1037 cam_periph_unhold(periph); 1038 cam_periph_unlock(periph); 1039 cam_periph_release(periph); 1040 return (0); 1041 } 1042 1043 static void 1044 daschedule(struct cam_periph *periph) 1045 { 1046 struct da_softc *softc = (struct da_softc *)periph->softc; 1047 uint32_t prio; 1048 1049 /* Check if cam_periph_getccb() was called. */ 1050 prio = periph->immediate_priority; 1051 1052 /* Check if we have more work to do. */ 1053 if (bioq_first(&softc->bio_queue) || 1054 (!softc->delete_running && bioq_first(&softc->delete_queue))) { 1055 prio = CAM_PRIORITY_NORMAL; 1056 } 1057 1058 /* Schedule CCB if any of above is true. */ 1059 if (prio != CAM_PRIORITY_NONE) 1060 xpt_schedule(periph, prio); 1061 } 1062 1063 /* 1064 * Actually translate the requested transfer into one the physical driver 1065 * can understand. The transfer is described by a buf and will include 1066 * only one physical transfer. 1067 */ 1068 static void 1069 dastrategy(struct bio *bp) 1070 { 1071 struct cam_periph *periph; 1072 struct da_softc *softc; 1073 1074 periph = (struct cam_periph *)bp->bio_disk->d_drv1; 1075 if (periph == NULL) { 1076 biofinish(bp, NULL, ENXIO); 1077 return; 1078 } 1079 softc = (struct da_softc *)periph->softc; 1080 1081 cam_periph_lock(periph); 1082 1083 /* 1084 * If the device has been made invalid, error out 1085 */ 1086 if ((softc->flags & DA_FLAG_PACK_INVALID)) { 1087 cam_periph_unlock(periph); 1088 biofinish(bp, NULL, ENXIO); 1089 return; 1090 } 1091 1092 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dastrategy(%p)\n", bp)); 1093 1094 /* 1095 * Place it in the queue of disk activities for this disk 1096 */ 1097 if (bp->bio_cmd == BIO_DELETE) { 1098 if (bp->bio_bcount == 0) 1099 biodone(bp); 1100 else 1101 bioq_disksort(&softc->delete_queue, bp); 1102 } else 1103 bioq_disksort(&softc->bio_queue, bp); 1104 1105 /* 1106 * Schedule ourselves for performing the work. 1107 */ 1108 daschedule(periph); 1109 cam_periph_unlock(periph); 1110 1111 return; 1112 } 1113 1114 static int 1115 dadump(void *arg, void *virtual, vm_offset_t physical, off_t offset, size_t length) 1116 { 1117 struct cam_periph *periph; 1118 struct da_softc *softc; 1119 u_int secsize; 1120 struct ccb_scsiio csio; 1121 struct disk *dp; 1122 int error = 0; 1123 1124 dp = arg; 1125 periph = dp->d_drv1; 1126 if (periph == NULL) 1127 return (ENXIO); 1128 softc = (struct da_softc *)periph->softc; 1129 cam_periph_lock(periph); 1130 secsize = softc->params.secsize; 1131 1132 if ((softc->flags & DA_FLAG_PACK_INVALID) != 0) { 1133 cam_periph_unlock(periph); 1134 return (ENXIO); 1135 } 1136 1137 if (length > 0) { 1138 xpt_setup_ccb(&csio.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 1139 csio.ccb_h.ccb_state = DA_CCB_DUMP; 1140 scsi_read_write(&csio, 1141 /*retries*/0, 1142 dadone, 1143 MSG_ORDERED_Q_TAG, 1144 /*read*/FALSE, 1145 /*byte2*/0, 1146 /*minimum_cmd_size*/ softc->minimum_cmd_size, 1147 offset / secsize, 1148 length / secsize, 1149 /*data_ptr*/(u_int8_t *) virtual, 1150 /*dxfer_len*/length, 1151 /*sense_len*/SSD_FULL_SIZE, 1152 da_default_timeout * 1000); 1153 xpt_polled_action((union ccb *)&csio); 1154 1155 error = cam_periph_error((union ccb *)&csio, 1156 0, SF_NO_RECOVERY | SF_NO_RETRY, NULL); 1157 if ((csio.ccb_h.status & CAM_DEV_QFRZN) != 0) 1158 cam_release_devq(csio.ccb_h.path, /*relsim_flags*/0, 1159 /*reduction*/0, /*timeout*/0, /*getcount_only*/0); 1160 if (error != 0) 1161 printf("Aborting dump due to I/O error.\n"); 1162 cam_periph_unlock(periph); 1163 return (error); 1164 } 1165 1166 /* 1167 * Sync the disk cache contents to the physical media. 1168 */ 1169 if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) { 1170 1171 xpt_setup_ccb(&csio.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 1172 csio.ccb_h.ccb_state = DA_CCB_DUMP; 1173 scsi_synchronize_cache(&csio, 1174 /*retries*/0, 1175 /*cbfcnp*/dadone, 1176 MSG_SIMPLE_Q_TAG, 1177 /*begin_lba*/0,/* Cover the whole disk */ 1178 /*lb_count*/0, 1179 SSD_FULL_SIZE, 1180 5 * 60 * 1000); 1181 xpt_polled_action((union ccb *)&csio); 1182 1183 error = cam_periph_error((union ccb *)&csio, 1184 0, SF_NO_RECOVERY | SF_NO_RETRY | SF_QUIET_IR, NULL); 1185 if ((csio.ccb_h.status & CAM_DEV_QFRZN) != 0) 1186 cam_release_devq(csio.ccb_h.path, /*relsim_flags*/0, 1187 /*reduction*/0, /*timeout*/0, /*getcount_only*/0); 1188 if (error != 0) 1189 xpt_print(periph->path, "Synchronize cache failed\n"); 1190 } 1191 cam_periph_unlock(periph); 1192 return (error); 1193 } 1194 1195 static int 1196 dagetattr(struct bio *bp) 1197 { 1198 int ret = -1; 1199 struct cam_periph *periph; 1200 1201 if (bp->bio_disk == NULL || bp->bio_disk->d_drv1 == NULL) 1202 return ENXIO; 1203 periph = (struct cam_periph *)bp->bio_disk->d_drv1; 1204 if (periph->path == NULL) 1205 return ENXIO; 1206 1207 ret = xpt_getattr(bp->bio_data, bp->bio_length, bp->bio_attribute, 1208 periph->path); 1209 if (ret == 0) 1210 bp->bio_completed = bp->bio_length; 1211 return ret; 1212 } 1213 1214 static void 1215 dainit(void) 1216 { 1217 cam_status status; 1218 1219 /* 1220 * Install a global async callback. This callback will 1221 * receive async callbacks like "new device found". 1222 */ 1223 status = xpt_register_async(AC_FOUND_DEVICE, daasync, NULL, NULL); 1224 1225 if (status != CAM_REQ_CMP) { 1226 printf("da: Failed to attach master async callback " 1227 "due to status 0x%x!\n", status); 1228 } else if (da_send_ordered) { 1229 1230 /* Register our shutdown event handler */ 1231 if ((EVENTHANDLER_REGISTER(shutdown_post_sync, dashutdown, 1232 NULL, SHUTDOWN_PRI_DEFAULT)) == NULL) 1233 printf("dainit: shutdown event registration failed!\n"); 1234 } 1235 } 1236 1237 /* 1238 * Callback from GEOM, called when it has finished cleaning up its 1239 * resources. 1240 */ 1241 static void 1242 dadiskgonecb(struct disk *dp) 1243 { 1244 struct cam_periph *periph; 1245 1246 periph = (struct cam_periph *)dp->d_drv1; 1247 1248 cam_periph_release(periph); 1249 } 1250 1251 static void 1252 daoninvalidate(struct cam_periph *periph) 1253 { 1254 struct da_softc *softc; 1255 1256 softc = (struct da_softc *)periph->softc; 1257 1258 /* 1259 * De-register any async callbacks. 1260 */ 1261 xpt_register_async(0, daasync, periph, periph->path); 1262 1263 softc->flags |= DA_FLAG_PACK_INVALID; 1264 1265 /* 1266 * Return all queued I/O with ENXIO. 1267 * XXX Handle any transactions queued to the card 1268 * with XPT_ABORT_CCB. 1269 */ 1270 bioq_flush(&softc->bio_queue, NULL, ENXIO); 1271 bioq_flush(&softc->delete_queue, NULL, ENXIO); 1272 1273 /* 1274 * Tell GEOM that we've gone away, we'll get a callback when it is 1275 * done cleaning up its resources. 1276 */ 1277 disk_gone(softc->disk); 1278 1279 xpt_print(periph->path, "lost device - %d outstanding, %d refs\n", 1280 softc->outstanding_cmds, periph->refcount); 1281 } 1282 1283 static void 1284 dacleanup(struct cam_periph *periph) 1285 { 1286 struct da_softc *softc; 1287 1288 softc = (struct da_softc *)periph->softc; 1289 1290 xpt_print(periph->path, "removing device entry\n"); 1291 cam_periph_unlock(periph); 1292 1293 /* 1294 * If we can't free the sysctl tree, oh well... 1295 */ 1296 if ((softc->flags & DA_FLAG_SCTX_INIT) != 0 1297 && sysctl_ctx_free(&softc->sysctl_ctx) != 0) { 1298 xpt_print(periph->path, "can't remove sysctl context\n"); 1299 } 1300 1301 disk_destroy(softc->disk); 1302 callout_drain(&softc->sendordered_c); 1303 free(softc, M_DEVBUF); 1304 cam_periph_lock(periph); 1305 } 1306 1307 static void 1308 daasync(void *callback_arg, u_int32_t code, 1309 struct cam_path *path, void *arg) 1310 { 1311 struct cam_periph *periph; 1312 1313 periph = (struct cam_periph *)callback_arg; 1314 switch (code) { 1315 case AC_FOUND_DEVICE: 1316 { 1317 struct ccb_getdev *cgd; 1318 cam_status status; 1319 1320 cgd = (struct ccb_getdev *)arg; 1321 if (cgd == NULL) 1322 break; 1323 1324 if (cgd->protocol != PROTO_SCSI) 1325 break; 1326 1327 if (SID_TYPE(&cgd->inq_data) != T_DIRECT 1328 && SID_TYPE(&cgd->inq_data) != T_RBC 1329 && SID_TYPE(&cgd->inq_data) != T_OPTICAL) 1330 break; 1331 1332 /* 1333 * Allocate a peripheral instance for 1334 * this device and start the probe 1335 * process. 1336 */ 1337 status = cam_periph_alloc(daregister, daoninvalidate, 1338 dacleanup, dastart, 1339 "da", CAM_PERIPH_BIO, 1340 cgd->ccb_h.path, daasync, 1341 AC_FOUND_DEVICE, cgd); 1342 1343 if (status != CAM_REQ_CMP 1344 && status != CAM_REQ_INPROG) 1345 printf("daasync: Unable to attach to new device " 1346 "due to status 0x%x\n", status); 1347 return; 1348 } 1349 case AC_ADVINFO_CHANGED: 1350 { 1351 uintptr_t buftype; 1352 1353 buftype = (uintptr_t)arg; 1354 if (buftype == CDAI_TYPE_PHYS_PATH) { 1355 struct da_softc *softc; 1356 1357 softc = periph->softc; 1358 disk_attr_changed(softc->disk, "GEOM::physpath", 1359 M_NOWAIT); 1360 } 1361 break; 1362 } 1363 case AC_SENT_BDR: 1364 case AC_BUS_RESET: 1365 { 1366 struct da_softc *softc; 1367 struct ccb_hdr *ccbh; 1368 1369 softc = (struct da_softc *)periph->softc; 1370 /* 1371 * Don't fail on the expected unit attention 1372 * that will occur. 1373 */ 1374 softc->flags |= DA_FLAG_RETRY_UA; 1375 LIST_FOREACH(ccbh, &softc->pending_ccbs, periph_links.le) 1376 ccbh->ccb_state |= DA_CCB_RETRY_UA; 1377 break; 1378 } 1379 default: 1380 break; 1381 } 1382 cam_periph_async(periph, code, path, arg); 1383 } 1384 1385 static void 1386 dasysctlinit(void *context, int pending) 1387 { 1388 struct cam_periph *periph; 1389 struct da_softc *softc; 1390 char tmpstr[80], tmpstr2[80]; 1391 struct ccb_trans_settings cts; 1392 1393 periph = (struct cam_periph *)context; 1394 /* 1395 * periph was held for us when this task was enqueued 1396 */ 1397 if (periph->flags & CAM_PERIPH_INVALID) { 1398 cam_periph_release(periph); 1399 return; 1400 } 1401 1402 softc = (struct da_softc *)periph->softc; 1403 snprintf(tmpstr, sizeof(tmpstr), "CAM DA unit %d", periph->unit_number); 1404 snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number); 1405 1406 sysctl_ctx_init(&softc->sysctl_ctx); 1407 softc->flags |= DA_FLAG_SCTX_INIT; 1408 softc->sysctl_tree = SYSCTL_ADD_NODE(&softc->sysctl_ctx, 1409 SYSCTL_STATIC_CHILDREN(_kern_cam_da), OID_AUTO, tmpstr2, 1410 CTLFLAG_RD, 0, tmpstr); 1411 if (softc->sysctl_tree == NULL) { 1412 printf("dasysctlinit: unable to allocate sysctl tree\n"); 1413 cam_periph_release(periph); 1414 return; 1415 } 1416 1417 /* 1418 * Now register the sysctl handler, so the user can change the value on 1419 * the fly. 1420 */ 1421 SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1422 OID_AUTO, "delete_method", CTLTYPE_STRING | CTLFLAG_RW, 1423 &softc->delete_method, 0, dadeletemethodsysctl, "A", 1424 "BIO_DELETE execution method"); 1425 SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1426 OID_AUTO, "minimum_cmd_size", CTLTYPE_INT | CTLFLAG_RW, 1427 &softc->minimum_cmd_size, 0, dacmdsizesysctl, "I", 1428 "Minimum CDB size"); 1429 1430 SYSCTL_ADD_INT(&softc->sysctl_ctx, 1431 SYSCTL_CHILDREN(softc->sysctl_tree), 1432 OID_AUTO, 1433 "error_inject", 1434 CTLFLAG_RW, 1435 &softc->error_inject, 1436 0, 1437 "error_inject leaf"); 1438 1439 1440 /* 1441 * Add some addressing info. 1442 */ 1443 memset(&cts, 0, sizeof (cts)); 1444 xpt_setup_ccb(&cts.ccb_h, periph->path, /*priority*/1); 1445 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 1446 cts.type = CTS_TYPE_CURRENT_SETTINGS; 1447 cam_periph_lock(periph); 1448 xpt_action((union ccb *)&cts); 1449 cam_periph_unlock(periph); 1450 if (cts.ccb_h.status != CAM_REQ_CMP) { 1451 cam_periph_release(periph); 1452 return; 1453 } 1454 if (cts.protocol == PROTO_SCSI && cts.transport == XPORT_FC) { 1455 struct ccb_trans_settings_fc *fc = &cts.xport_specific.fc; 1456 if (fc->valid & CTS_FC_VALID_WWPN) { 1457 softc->wwpn = fc->wwpn; 1458 SYSCTL_ADD_UQUAD(&softc->sysctl_ctx, 1459 SYSCTL_CHILDREN(softc->sysctl_tree), 1460 OID_AUTO, "wwpn", CTLFLAG_RD, 1461 &softc->wwpn, "World Wide Port Name"); 1462 } 1463 } 1464 cam_periph_release(periph); 1465 } 1466 1467 static int 1468 dacmdsizesysctl(SYSCTL_HANDLER_ARGS) 1469 { 1470 int error, value; 1471 1472 value = *(int *)arg1; 1473 1474 error = sysctl_handle_int(oidp, &value, 0, req); 1475 1476 if ((error != 0) 1477 || (req->newptr == NULL)) 1478 return (error); 1479 1480 /* 1481 * Acceptable values here are 6, 10, 12 or 16. 1482 */ 1483 if (value < 6) 1484 value = 6; 1485 else if ((value > 6) 1486 && (value <= 10)) 1487 value = 10; 1488 else if ((value > 10) 1489 && (value <= 12)) 1490 value = 12; 1491 else if (value > 12) 1492 value = 16; 1493 1494 *(int *)arg1 = value; 1495 1496 return (0); 1497 } 1498 1499 static int 1500 dadeletemethodsysctl(SYSCTL_HANDLER_ARGS) 1501 { 1502 char buf[16]; 1503 int error; 1504 const char *p; 1505 int i, value; 1506 1507 value = *(int *)arg1; 1508 if (value < 0 || value > DA_DELETE_MAX) 1509 p = "UNKNOWN"; 1510 else 1511 p = da_delete_method_names[value]; 1512 strncpy(buf, p, sizeof(buf)); 1513 error = sysctl_handle_string(oidp, buf, sizeof(buf), req); 1514 if (error != 0 || req->newptr == NULL) 1515 return (error); 1516 for (i = 0; i <= DA_DELETE_MAX; i++) { 1517 if (strcmp(buf, da_delete_method_names[i]) != 0) 1518 continue; 1519 *(int *)arg1 = i; 1520 return (0); 1521 } 1522 return (EINVAL); 1523 } 1524 1525 static cam_status 1526 daregister(struct cam_periph *periph, void *arg) 1527 { 1528 struct da_softc *softc; 1529 struct ccb_pathinq cpi; 1530 struct ccb_getdev *cgd; 1531 char tmpstr[80]; 1532 caddr_t match; 1533 1534 cgd = (struct ccb_getdev *)arg; 1535 if (periph == NULL) { 1536 printf("daregister: periph was NULL!!\n"); 1537 return(CAM_REQ_CMP_ERR); 1538 } 1539 1540 if (cgd == NULL) { 1541 printf("daregister: no getdev CCB, can't register device\n"); 1542 return(CAM_REQ_CMP_ERR); 1543 } 1544 1545 softc = (struct da_softc *)malloc(sizeof(*softc), M_DEVBUF, 1546 M_NOWAIT|M_ZERO); 1547 1548 if (softc == NULL) { 1549 printf("daregister: Unable to probe new device. " 1550 "Unable to allocate softc\n"); 1551 return(CAM_REQ_CMP_ERR); 1552 } 1553 1554 LIST_INIT(&softc->pending_ccbs); 1555 softc->state = DA_STATE_PROBE; 1556 bioq_init(&softc->bio_queue); 1557 bioq_init(&softc->delete_queue); 1558 bioq_init(&softc->delete_run_queue); 1559 if (SID_IS_REMOVABLE(&cgd->inq_data)) 1560 softc->flags |= DA_FLAG_PACK_REMOVABLE; 1561 softc->unmap_max_ranges = UNMAP_MAX_RANGES; 1562 softc->unmap_max_lba = 1024*1024*2; 1563 1564 periph->softc = softc; 1565 1566 /* 1567 * See if this device has any quirks. 1568 */ 1569 match = cam_quirkmatch((caddr_t)&cgd->inq_data, 1570 (caddr_t)da_quirk_table, 1571 sizeof(da_quirk_table)/sizeof(*da_quirk_table), 1572 sizeof(*da_quirk_table), scsi_inquiry_match); 1573 1574 if (match != NULL) 1575 softc->quirks = ((struct da_quirk_entry *)match)->quirks; 1576 else 1577 softc->quirks = DA_Q_NONE; 1578 1579 /* Check if the SIM does not want 6 byte commands */ 1580 bzero(&cpi, sizeof(cpi)); 1581 xpt_setup_ccb(&cpi.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 1582 cpi.ccb_h.func_code = XPT_PATH_INQ; 1583 xpt_action((union ccb *)&cpi); 1584 if (cpi.ccb_h.status == CAM_REQ_CMP && (cpi.hba_misc & PIM_NO_6_BYTE)) 1585 softc->quirks |= DA_Q_NO_6_BYTE; 1586 1587 TASK_INIT(&softc->sysctl_task, 0, dasysctlinit, periph); 1588 1589 /* 1590 * Take an exclusive refcount on the periph while dastart is called 1591 * to finish the probe. The reference will be dropped in dadone at 1592 * the end of probe. 1593 */ 1594 (void)cam_periph_hold(periph, PRIBIO); 1595 1596 /* 1597 * Schedule a periodic event to occasionally send an 1598 * ordered tag to a device. 1599 */ 1600 callout_init_mtx(&softc->sendordered_c, periph->sim->mtx, 0); 1601 callout_reset(&softc->sendordered_c, 1602 (da_default_timeout * hz) / DA_ORDEREDTAG_INTERVAL, 1603 dasendorderedtag, softc); 1604 1605 mtx_unlock(periph->sim->mtx); 1606 /* 1607 * RBC devices don't have to support READ(6), only READ(10). 1608 */ 1609 if (softc->quirks & DA_Q_NO_6_BYTE || SID_TYPE(&cgd->inq_data) == T_RBC) 1610 softc->minimum_cmd_size = 10; 1611 else 1612 softc->minimum_cmd_size = 6; 1613 1614 /* 1615 * Load the user's default, if any. 1616 */ 1617 snprintf(tmpstr, sizeof(tmpstr), "kern.cam.da.%d.minimum_cmd_size", 1618 periph->unit_number); 1619 TUNABLE_INT_FETCH(tmpstr, &softc->minimum_cmd_size); 1620 1621 /* 1622 * 6, 10, 12 and 16 are the currently permissible values. 1623 */ 1624 if (softc->minimum_cmd_size < 6) 1625 softc->minimum_cmd_size = 6; 1626 else if ((softc->minimum_cmd_size > 6) 1627 && (softc->minimum_cmd_size <= 10)) 1628 softc->minimum_cmd_size = 10; 1629 else if ((softc->minimum_cmd_size > 10) 1630 && (softc->minimum_cmd_size <= 12)) 1631 softc->minimum_cmd_size = 12; 1632 else if (softc->minimum_cmd_size > 12) 1633 softc->minimum_cmd_size = 16; 1634 1635 /* Predict whether device may support READ CAPACITY(16). */ 1636 if (SID_ANSI_REV(&cgd->inq_data) >= SCSI_REV_SPC3) { 1637 softc->flags |= DA_FLAG_CAN_RC16; 1638 softc->state = DA_STATE_PROBE2; 1639 } 1640 1641 /* 1642 * Register this media as a disk. 1643 */ 1644 softc->disk = disk_alloc(); 1645 softc->disk->d_devstat = devstat_new_entry(periph->periph_name, 1646 periph->unit_number, 0, 1647 DEVSTAT_BS_UNAVAILABLE, 1648 SID_TYPE(&cgd->inq_data) | 1649 XPORT_DEVSTAT_TYPE(cpi.transport), 1650 DEVSTAT_PRIORITY_DISK); 1651 softc->disk->d_open = daopen; 1652 softc->disk->d_close = daclose; 1653 softc->disk->d_strategy = dastrategy; 1654 softc->disk->d_dump = dadump; 1655 softc->disk->d_getattr = dagetattr; 1656 softc->disk->d_gone = dadiskgonecb; 1657 softc->disk->d_name = "da"; 1658 softc->disk->d_drv1 = periph; 1659 if (cpi.maxio == 0) 1660 softc->disk->d_maxsize = DFLTPHYS; /* traditional default */ 1661 else if (cpi.maxio > MAXPHYS) 1662 softc->disk->d_maxsize = MAXPHYS; /* for safety */ 1663 else 1664 softc->disk->d_maxsize = cpi.maxio; 1665 softc->disk->d_unit = periph->unit_number; 1666 softc->disk->d_flags = 0; 1667 if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) 1668 softc->disk->d_flags |= DISKFLAG_CANFLUSHCACHE; 1669 cam_strvis(softc->disk->d_descr, cgd->inq_data.vendor, 1670 sizeof(cgd->inq_data.vendor), sizeof(softc->disk->d_descr)); 1671 strlcat(softc->disk->d_descr, " ", sizeof(softc->disk->d_descr)); 1672 cam_strvis(&softc->disk->d_descr[strlen(softc->disk->d_descr)], 1673 cgd->inq_data.product, sizeof(cgd->inq_data.product), 1674 sizeof(softc->disk->d_descr) - strlen(softc->disk->d_descr)); 1675 softc->disk->d_hba_vendor = cpi.hba_vendor; 1676 softc->disk->d_hba_device = cpi.hba_device; 1677 softc->disk->d_hba_subvendor = cpi.hba_subvendor; 1678 softc->disk->d_hba_subdevice = cpi.hba_subdevice; 1679 1680 /* 1681 * Acquire a reference to the periph before we register with GEOM. 1682 * We'll release this reference once GEOM calls us back (via 1683 * dadiskgonecb()) telling us that our provider has been freed. 1684 */ 1685 if (cam_periph_acquire(periph) != CAM_REQ_CMP) { 1686 xpt_print(periph->path, "%s: lost periph during " 1687 "registration!\n", __func__); 1688 mtx_lock(periph->sim->mtx); 1689 return (CAM_REQ_CMP_ERR); 1690 } 1691 1692 disk_create(softc->disk, DISK_VERSION); 1693 mtx_lock(periph->sim->mtx); 1694 1695 /* 1696 * Add async callbacks for events of interest. 1697 * I don't bother checking if this fails as, 1698 * in most cases, the system will function just 1699 * fine without them and the only alternative 1700 * would be to not attach the device on failure. 1701 */ 1702 xpt_register_async(AC_SENT_BDR | AC_BUS_RESET 1703 | AC_LOST_DEVICE | AC_ADVINFO_CHANGED, 1704 daasync, periph, periph->path); 1705 1706 /* 1707 * Emit an attribute changed notification just in case 1708 * physical path information arrived before our async 1709 * event handler was registered, but after anyone attaching 1710 * to our disk device polled it. 1711 */ 1712 disk_attr_changed(softc->disk, "GEOM::physpath", M_NOWAIT); 1713 1714 xpt_schedule(periph, CAM_PRIORITY_DEV); 1715 1716 return(CAM_REQ_CMP); 1717 } 1718 1719 static void 1720 dastart(struct cam_periph *periph, union ccb *start_ccb) 1721 { 1722 struct da_softc *softc; 1723 1724 softc = (struct da_softc *)periph->softc; 1725 1726 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dastart\n")); 1727 1728 switch (softc->state) { 1729 case DA_STATE_NORMAL: 1730 { 1731 struct bio *bp, *bp1; 1732 uint8_t tag_code; 1733 1734 /* Execute immediate CCB if waiting. */ 1735 if (periph->immediate_priority <= periph->pinfo.priority) { 1736 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1737 ("queuing for immediate ccb\n")); 1738 start_ccb->ccb_h.ccb_state = DA_CCB_WAITING; 1739 SLIST_INSERT_HEAD(&periph->ccb_list, &start_ccb->ccb_h, 1740 periph_links.sle); 1741 periph->immediate_priority = CAM_PRIORITY_NONE; 1742 wakeup(&periph->ccb_list); 1743 /* May have more work to do, so ensure we stay scheduled */ 1744 daschedule(periph); 1745 break; 1746 } 1747 1748 /* Run BIO_DELETE if not running yet. */ 1749 if (!softc->delete_running && 1750 (bp = bioq_first(&softc->delete_queue)) != NULL) { 1751 uint64_t lba; 1752 u_int count; 1753 1754 if (softc->delete_method == DA_DELETE_UNMAP) { 1755 uint8_t *buf = softc->unmap_buf; 1756 uint64_t lastlba = (uint64_t)-1; 1757 uint32_t lastcount = 0; 1758 int blocks = 0, off, ranges = 0; 1759 1760 softc->delete_running = 1; 1761 bzero(softc->unmap_buf, sizeof(softc->unmap_buf)); 1762 bp1 = bp; 1763 do { 1764 bioq_remove(&softc->delete_queue, bp1); 1765 if (bp1 != bp) 1766 bioq_insert_tail(&softc->delete_run_queue, bp1); 1767 lba = bp1->bio_pblkno; 1768 count = bp1->bio_bcount / softc->params.secsize; 1769 1770 /* Try to extend the previous range. */ 1771 if (lba == lastlba) { 1772 lastcount += count; 1773 off = (ranges - 1) * 16 + 8; 1774 scsi_ulto4b(lastcount, &buf[off + 8]); 1775 } else if (count > 0) { 1776 off = ranges * 16 + 8; 1777 scsi_u64to8b(lba, &buf[off + 0]); 1778 scsi_ulto4b(count, &buf[off + 8]); 1779 lastcount = count; 1780 ranges++; 1781 } 1782 blocks += count; 1783 lastlba = lba + count; 1784 bp1 = bioq_first(&softc->delete_queue); 1785 if (bp1 == NULL || 1786 ranges >= softc->unmap_max_ranges || 1787 blocks + bp1->bio_bcount / 1788 softc->params.secsize > softc->unmap_max_lba) 1789 break; 1790 } while (1); 1791 scsi_ulto2b(ranges * 16 + 6, &buf[0]); 1792 scsi_ulto2b(ranges * 16, &buf[2]); 1793 1794 scsi_unmap(&start_ccb->csio, 1795 /*retries*/da_retry_count, 1796 /*cbfcnp*/dadone, 1797 /*tag_action*/MSG_SIMPLE_Q_TAG, 1798 /*byte2*/0, 1799 /*data_ptr*/ buf, 1800 /*dxfer_len*/ ranges * 16 + 8, 1801 /*sense_len*/SSD_FULL_SIZE, 1802 da_default_timeout * 1000); 1803 start_ccb->ccb_h.ccb_state = DA_CCB_DELETE; 1804 goto out; 1805 } else if (softc->delete_method == DA_DELETE_ZERO || 1806 softc->delete_method == DA_DELETE_WS10 || 1807 softc->delete_method == DA_DELETE_WS16) { 1808 softc->delete_running = 1; 1809 lba = bp->bio_pblkno; 1810 count = 0; 1811 bp1 = bp; 1812 do { 1813 bioq_remove(&softc->delete_queue, bp1); 1814 if (bp1 != bp) 1815 bioq_insert_tail(&softc->delete_run_queue, bp1); 1816 count += bp1->bio_bcount / softc->params.secsize; 1817 bp1 = bioq_first(&softc->delete_queue); 1818 if (bp1 == NULL || 1819 lba + count != bp1->bio_pblkno || 1820 count + bp1->bio_bcount / 1821 softc->params.secsize > 0xffff) 1822 break; 1823 } while (1); 1824 1825 scsi_write_same(&start_ccb->csio, 1826 /*retries*/da_retry_count, 1827 /*cbfcnp*/dadone, 1828 /*tag_action*/MSG_SIMPLE_Q_TAG, 1829 /*byte2*/softc->delete_method == 1830 DA_DELETE_ZERO ? 0 : SWS_UNMAP, 1831 softc->delete_method == 1832 DA_DELETE_WS16 ? 16 : 10, 1833 /*lba*/lba, 1834 /*block_count*/count, 1835 /*data_ptr*/ __DECONST(void *, 1836 zero_region), 1837 /*dxfer_len*/ softc->params.secsize, 1838 /*sense_len*/SSD_FULL_SIZE, 1839 da_default_timeout * 1000); 1840 start_ccb->ccb_h.ccb_state = DA_CCB_DELETE; 1841 goto out; 1842 } else { 1843 bioq_flush(&softc->delete_queue, NULL, 0); 1844 /* FALLTHROUGH */ 1845 } 1846 } 1847 1848 /* Run regular command. */ 1849 bp = bioq_takefirst(&softc->bio_queue); 1850 if (bp == NULL) { 1851 xpt_release_ccb(start_ccb); 1852 break; 1853 } 1854 1855 if ((bp->bio_flags & BIO_ORDERED) != 0 || 1856 (softc->flags & DA_FLAG_NEED_OTAG) != 0) { 1857 softc->flags &= ~DA_FLAG_NEED_OTAG; 1858 softc->ordered_tag_count++; 1859 tag_code = MSG_ORDERED_Q_TAG; 1860 } else { 1861 tag_code = MSG_SIMPLE_Q_TAG; 1862 } 1863 1864 switch (bp->bio_cmd) { 1865 case BIO_READ: 1866 case BIO_WRITE: 1867 scsi_read_write(&start_ccb->csio, 1868 /*retries*/da_retry_count, 1869 /*cbfcnp*/dadone, 1870 /*tag_action*/tag_code, 1871 /*read_op*/bp->bio_cmd 1872 == BIO_READ, 1873 /*byte2*/0, 1874 softc->minimum_cmd_size, 1875 /*lba*/bp->bio_pblkno, 1876 /*block_count*/bp->bio_bcount / 1877 softc->params.secsize, 1878 /*data_ptr*/ bp->bio_data, 1879 /*dxfer_len*/ bp->bio_bcount, 1880 /*sense_len*/SSD_FULL_SIZE, 1881 da_default_timeout * 1000); 1882 break; 1883 case BIO_FLUSH: 1884 /* 1885 * BIO_FLUSH doesn't currently communicate 1886 * range data, so we synchronize the cache 1887 * over the whole disk. We also force 1888 * ordered tag semantics the flush applies 1889 * to all previously queued I/O. 1890 */ 1891 scsi_synchronize_cache(&start_ccb->csio, 1892 /*retries*/1, 1893 /*cbfcnp*/dadone, 1894 MSG_ORDERED_Q_TAG, 1895 /*begin_lba*/0, 1896 /*lb_count*/0, 1897 SSD_FULL_SIZE, 1898 da_default_timeout*1000); 1899 break; 1900 } 1901 start_ccb->ccb_h.ccb_state = DA_CCB_BUFFER_IO; 1902 1903 out: 1904 /* 1905 * Block out any asyncronous callbacks 1906 * while we touch the pending ccb list. 1907 */ 1908 LIST_INSERT_HEAD(&softc->pending_ccbs, 1909 &start_ccb->ccb_h, periph_links.le); 1910 softc->outstanding_cmds++; 1911 1912 /* We expect a unit attention from this device */ 1913 if ((softc->flags & DA_FLAG_RETRY_UA) != 0) { 1914 start_ccb->ccb_h.ccb_state |= DA_CCB_RETRY_UA; 1915 softc->flags &= ~DA_FLAG_RETRY_UA; 1916 } 1917 1918 start_ccb->ccb_h.ccb_bp = bp; 1919 xpt_action(start_ccb); 1920 1921 /* May have more work to do, so ensure we stay scheduled */ 1922 daschedule(periph); 1923 break; 1924 } 1925 case DA_STATE_PROBE: 1926 { 1927 struct ccb_scsiio *csio; 1928 struct scsi_read_capacity_data *rcap; 1929 1930 rcap = (struct scsi_read_capacity_data *) 1931 malloc(sizeof(*rcap), M_SCSIDA, M_NOWAIT|M_ZERO); 1932 if (rcap == NULL) { 1933 printf("dastart: Couldn't malloc read_capacity data\n"); 1934 /* da_free_periph??? */ 1935 break; 1936 } 1937 csio = &start_ccb->csio; 1938 scsi_read_capacity(csio, 1939 /*retries*/4, 1940 dadone, 1941 MSG_SIMPLE_Q_TAG, 1942 rcap, 1943 SSD_FULL_SIZE, 1944 /*timeout*/5000); 1945 start_ccb->ccb_h.ccb_bp = NULL; 1946 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE; 1947 xpt_action(start_ccb); 1948 break; 1949 } 1950 case DA_STATE_PROBE2: 1951 { 1952 struct ccb_scsiio *csio; 1953 struct scsi_read_capacity_data_long *rcaplong; 1954 1955 rcaplong = (struct scsi_read_capacity_data_long *) 1956 malloc(sizeof(*rcaplong), M_SCSIDA, M_NOWAIT|M_ZERO); 1957 if (rcaplong == NULL) { 1958 printf("dastart: Couldn't malloc read_capacity data\n"); 1959 /* da_free_periph??? */ 1960 break; 1961 } 1962 csio = &start_ccb->csio; 1963 scsi_read_capacity_16(csio, 1964 /*retries*/ 4, 1965 /*cbfcnp*/ dadone, 1966 /*tag_action*/ MSG_SIMPLE_Q_TAG, 1967 /*lba*/ 0, 1968 /*reladr*/ 0, 1969 /*pmi*/ 0, 1970 rcaplong, 1971 /*sense_len*/ SSD_FULL_SIZE, 1972 /*timeout*/ 60000); 1973 start_ccb->ccb_h.ccb_bp = NULL; 1974 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE2; 1975 xpt_action(start_ccb); 1976 break; 1977 } 1978 } 1979 } 1980 1981 static int 1982 cmd6workaround(union ccb *ccb) 1983 { 1984 struct scsi_rw_6 cmd6; 1985 struct scsi_rw_10 *cmd10; 1986 struct da_softc *softc; 1987 u_int8_t *cdb; 1988 struct bio *bp; 1989 int frozen; 1990 1991 cdb = ccb->csio.cdb_io.cdb_bytes; 1992 softc = (struct da_softc *)xpt_path_periph(ccb->ccb_h.path)->softc; 1993 1994 if (ccb->ccb_h.ccb_state == DA_CCB_DELETE) { 1995 if (softc->delete_method == DA_DELETE_UNMAP) { 1996 xpt_print(ccb->ccb_h.path, "UNMAP is not supported, " 1997 "switching to WRITE SAME(16) with UNMAP.\n"); 1998 softc->delete_method = DA_DELETE_WS16; 1999 } else if (softc->delete_method == DA_DELETE_WS16) { 2000 xpt_print(ccb->ccb_h.path, 2001 "WRITE SAME(16) with UNMAP is not supported, " 2002 "disabling BIO_DELETE.\n"); 2003 softc->delete_method = DA_DELETE_DISABLE; 2004 } else if (softc->delete_method == DA_DELETE_WS10) { 2005 xpt_print(ccb->ccb_h.path, 2006 "WRITE SAME(10) with UNMAP is not supported, " 2007 "disabling BIO_DELETE.\n"); 2008 softc->delete_method = DA_DELETE_DISABLE; 2009 } else if (softc->delete_method == DA_DELETE_ZERO) { 2010 xpt_print(ccb->ccb_h.path, 2011 "WRITE SAME(10) is not supported, " 2012 "disabling BIO_DELETE.\n"); 2013 softc->delete_method = DA_DELETE_DISABLE; 2014 } else 2015 softc->delete_method = DA_DELETE_DISABLE; 2016 while ((bp = bioq_takefirst(&softc->delete_run_queue)) 2017 != NULL) 2018 bioq_disksort(&softc->delete_queue, bp); 2019 bioq_insert_tail(&softc->delete_queue, 2020 (struct bio *)ccb->ccb_h.ccb_bp); 2021 ccb->ccb_h.ccb_bp = NULL; 2022 return (0); 2023 } 2024 2025 /* Translation only possible if CDB is an array and cmd is R/W6 */ 2026 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0 || 2027 (*cdb != READ_6 && *cdb != WRITE_6)) 2028 return 0; 2029 2030 xpt_print(ccb->ccb_h.path, "READ(6)/WRITE(6) not supported, " 2031 "increasing minimum_cmd_size to 10.\n"); 2032 softc->minimum_cmd_size = 10; 2033 2034 bcopy(cdb, &cmd6, sizeof(struct scsi_rw_6)); 2035 cmd10 = (struct scsi_rw_10 *)cdb; 2036 cmd10->opcode = (cmd6.opcode == READ_6) ? READ_10 : WRITE_10; 2037 cmd10->byte2 = 0; 2038 scsi_ulto4b(scsi_3btoul(cmd6.addr), cmd10->addr); 2039 cmd10->reserved = 0; 2040 scsi_ulto2b(cmd6.length, cmd10->length); 2041 cmd10->control = cmd6.control; 2042 ccb->csio.cdb_len = sizeof(*cmd10); 2043 2044 /* Requeue request, unfreezing queue if necessary */ 2045 frozen = (ccb->ccb_h.status & CAM_DEV_QFRZN) != 0; 2046 ccb->ccb_h.status = CAM_REQUEUE_REQ; 2047 xpt_action(ccb); 2048 if (frozen) { 2049 cam_release_devq(ccb->ccb_h.path, 2050 /*relsim_flags*/0, 2051 /*reduction*/0, 2052 /*timeout*/0, 2053 /*getcount_only*/0); 2054 } 2055 return (ERESTART); 2056 } 2057 2058 static void 2059 dadone(struct cam_periph *periph, union ccb *done_ccb) 2060 { 2061 struct da_softc *softc; 2062 struct ccb_scsiio *csio; 2063 u_int32_t priority; 2064 2065 softc = (struct da_softc *)periph->softc; 2066 priority = done_ccb->ccb_h.pinfo.priority; 2067 2068 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone\n")); 2069 2070 csio = &done_ccb->csio; 2071 switch (csio->ccb_h.ccb_state & DA_CCB_TYPE_MASK) { 2072 case DA_CCB_BUFFER_IO: 2073 case DA_CCB_DELETE: 2074 { 2075 struct bio *bp, *bp1; 2076 2077 bp = (struct bio *)done_ccb->ccb_h.ccb_bp; 2078 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 2079 int error; 2080 int sf; 2081 2082 if ((csio->ccb_h.ccb_state & DA_CCB_RETRY_UA) != 0) 2083 sf = SF_RETRY_UA; 2084 else 2085 sf = 0; 2086 2087 error = daerror(done_ccb, CAM_RETRY_SELTO, sf); 2088 if (error == ERESTART) { 2089 /* 2090 * A retry was scheuled, so 2091 * just return. 2092 */ 2093 return; 2094 } 2095 bp = (struct bio *)done_ccb->ccb_h.ccb_bp; 2096 if (error != 0) { 2097 int queued_error; 2098 2099 /* 2100 * return all queued I/O with EIO, so that 2101 * the client can retry these I/Os in the 2102 * proper order should it attempt to recover. 2103 */ 2104 queued_error = EIO; 2105 2106 if (error == ENXIO 2107 && (softc->flags & DA_FLAG_PACK_INVALID)== 0) { 2108 /* 2109 * Catastrophic error. Mark our pack as 2110 * invalid. 2111 */ 2112 /* 2113 * XXX See if this is really a media 2114 * XXX change first? 2115 */ 2116 xpt_print(periph->path, 2117 "Invalidating pack\n"); 2118 softc->flags |= DA_FLAG_PACK_INVALID; 2119 queued_error = ENXIO; 2120 } 2121 bioq_flush(&softc->bio_queue, NULL, 2122 queued_error); 2123 if (bp != NULL) { 2124 bp->bio_error = error; 2125 bp->bio_resid = bp->bio_bcount; 2126 bp->bio_flags |= BIO_ERROR; 2127 } 2128 } else if (bp != NULL) { 2129 bp->bio_resid = csio->resid; 2130 bp->bio_error = 0; 2131 if (bp->bio_resid != 0) 2132 bp->bio_flags |= BIO_ERROR; 2133 } 2134 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 2135 cam_release_devq(done_ccb->ccb_h.path, 2136 /*relsim_flags*/0, 2137 /*reduction*/0, 2138 /*timeout*/0, 2139 /*getcount_only*/0); 2140 } else if (bp != NULL) { 2141 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 2142 panic("REQ_CMP with QFRZN"); 2143 bp->bio_resid = csio->resid; 2144 if (csio->resid > 0) 2145 bp->bio_flags |= BIO_ERROR; 2146 if (softc->error_inject != 0) { 2147 bp->bio_error = softc->error_inject; 2148 bp->bio_resid = bp->bio_bcount; 2149 bp->bio_flags |= BIO_ERROR; 2150 softc->error_inject = 0; 2151 } 2152 2153 } 2154 2155 /* 2156 * Block out any asyncronous callbacks 2157 * while we touch the pending ccb list. 2158 */ 2159 LIST_REMOVE(&done_ccb->ccb_h, periph_links.le); 2160 softc->outstanding_cmds--; 2161 if (softc->outstanding_cmds == 0) 2162 softc->flags |= DA_FLAG_WENT_IDLE; 2163 2164 if ((softc->flags & DA_FLAG_PACK_INVALID) != 0) { 2165 xpt_print(periph->path, "oustanding %d\n", 2166 softc->outstanding_cmds); 2167 } 2168 2169 if ((csio->ccb_h.ccb_state & DA_CCB_TYPE_MASK) == 2170 DA_CCB_DELETE) { 2171 while ((bp1 = bioq_takefirst(&softc->delete_run_queue)) 2172 != NULL) { 2173 bp1->bio_resid = bp->bio_resid; 2174 bp1->bio_error = bp->bio_error; 2175 if (bp->bio_flags & BIO_ERROR) 2176 bp1->bio_flags |= BIO_ERROR; 2177 biodone(bp1); 2178 } 2179 softc->delete_running = 0; 2180 if (bp != NULL) 2181 biodone(bp); 2182 daschedule(periph); 2183 } else if (bp != NULL) 2184 biodone(bp); 2185 break; 2186 } 2187 case DA_CCB_PROBE: 2188 case DA_CCB_PROBE2: 2189 { 2190 struct scsi_read_capacity_data *rdcap; 2191 struct scsi_read_capacity_data_long *rcaplong; 2192 char announce_buf[80]; 2193 2194 rdcap = NULL; 2195 rcaplong = NULL; 2196 if (softc->state == DA_STATE_PROBE) 2197 rdcap =(struct scsi_read_capacity_data *)csio->data_ptr; 2198 else 2199 rcaplong = (struct scsi_read_capacity_data_long *) 2200 csio->data_ptr; 2201 2202 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 2203 struct disk_params *dp; 2204 uint32_t block_size; 2205 uint64_t maxsector; 2206 u_int lbppbe; /* LB per physical block exponent. */ 2207 u_int lalba; /* Lowest aligned LBA. */ 2208 2209 if (softc->state == DA_STATE_PROBE) { 2210 block_size = scsi_4btoul(rdcap->length); 2211 maxsector = scsi_4btoul(rdcap->addr); 2212 lbppbe = 0; 2213 lalba = 0; 2214 2215 /* 2216 * According to SBC-2, if the standard 10 2217 * byte READ CAPACITY command returns 2^32, 2218 * we should issue the 16 byte version of 2219 * the command, since the device in question 2220 * has more sectors than can be represented 2221 * with the short version of the command. 2222 */ 2223 if (maxsector == 0xffffffff) { 2224 softc->state = DA_STATE_PROBE2; 2225 free(rdcap, M_SCSIDA); 2226 xpt_release_ccb(done_ccb); 2227 xpt_schedule(periph, priority); 2228 return; 2229 } 2230 } else { 2231 block_size = scsi_4btoul(rcaplong->length); 2232 maxsector = scsi_8btou64(rcaplong->addr); 2233 lbppbe = rcaplong->prot_lbppbe & SRC16_LBPPBE; 2234 lalba = scsi_2btoul(rcaplong->lalba_lbp); 2235 } 2236 2237 /* 2238 * Because GEOM code just will panic us if we 2239 * give them an 'illegal' value we'll avoid that 2240 * here. 2241 */ 2242 if (block_size == 0 && maxsector == 0) { 2243 snprintf(announce_buf, sizeof(announce_buf), 2244 "0MB (no media?)"); 2245 } else if (block_size >= MAXPHYS || block_size == 0) { 2246 xpt_print(periph->path, 2247 "unsupportable block size %ju\n", 2248 (uintmax_t) block_size); 2249 announce_buf[0] = '\0'; 2250 cam_periph_invalidate(periph); 2251 } else { 2252 dasetgeom(periph, block_size, maxsector, 2253 lbppbe, lalba & SRC16_LALBA); 2254 if ((lalba & SRC16_LBPME) && 2255 softc->delete_method == DA_DELETE_NONE) 2256 softc->delete_method = DA_DELETE_UNMAP; 2257 dp = &softc->params; 2258 snprintf(announce_buf, sizeof(announce_buf), 2259 "%juMB (%ju %u byte sectors: %dH %dS/T " 2260 "%dC)", (uintmax_t) 2261 (((uintmax_t)dp->secsize * 2262 dp->sectors) / (1024*1024)), 2263 (uintmax_t)dp->sectors, 2264 dp->secsize, dp->heads, 2265 dp->secs_per_track, dp->cylinders); 2266 } 2267 } else { 2268 int error; 2269 2270 announce_buf[0] = '\0'; 2271 2272 /* 2273 * Retry any UNIT ATTENTION type errors. They 2274 * are expected at boot. 2275 */ 2276 error = daerror(done_ccb, CAM_RETRY_SELTO, 2277 SF_RETRY_UA|SF_NO_PRINT); 2278 if (error == ERESTART) { 2279 /* 2280 * A retry was scheuled, so 2281 * just return. 2282 */ 2283 return; 2284 } else if (error != 0) { 2285 struct scsi_sense_data *sense; 2286 int asc, ascq; 2287 int sense_key, error_code; 2288 int have_sense; 2289 cam_status status; 2290 struct ccb_getdev cgd; 2291 2292 /* Don't wedge this device's queue */ 2293 status = done_ccb->ccb_h.status; 2294 if ((status & CAM_DEV_QFRZN) != 0) 2295 cam_release_devq(done_ccb->ccb_h.path, 2296 /*relsim_flags*/0, 2297 /*reduction*/0, 2298 /*timeout*/0, 2299 /*getcount_only*/0); 2300 2301 2302 xpt_setup_ccb(&cgd.ccb_h, 2303 done_ccb->ccb_h.path, 2304 CAM_PRIORITY_NORMAL); 2305 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 2306 xpt_action((union ccb *)&cgd); 2307 2308 if (((csio->ccb_h.flags & CAM_SENSE_PHYS) != 0) 2309 || ((csio->ccb_h.flags & CAM_SENSE_PTR) != 0) 2310 || ((status & CAM_AUTOSNS_VALID) == 0)) 2311 have_sense = FALSE; 2312 else 2313 have_sense = TRUE; 2314 2315 if (have_sense) { 2316 sense = &csio->sense_data; 2317 scsi_extract_sense_len(sense, 2318 csio->sense_len - csio->sense_resid, 2319 &error_code, &sense_key, &asc, 2320 &ascq, /*show_errors*/ 1); 2321 } 2322 /* 2323 * If we tried READ CAPACITY(16) and failed, 2324 * fallback to READ CAPACITY(10). 2325 */ 2326 if ((softc->state == DA_STATE_PROBE2) && 2327 (softc->flags & DA_FLAG_CAN_RC16) && 2328 (((csio->ccb_h.status & CAM_STATUS_MASK) == 2329 CAM_REQ_INVALID) || 2330 ((have_sense) && 2331 (error_code == SSD_CURRENT_ERROR) && 2332 (sense_key == SSD_KEY_ILLEGAL_REQUEST)))) { 2333 softc->flags &= ~DA_FLAG_CAN_RC16; 2334 softc->state = DA_STATE_PROBE; 2335 free(rdcap, M_SCSIDA); 2336 xpt_release_ccb(done_ccb); 2337 xpt_schedule(periph, priority); 2338 return; 2339 } else 2340 /* 2341 * Attach to anything that claims to be a 2342 * direct access or optical disk device, 2343 * as long as it doesn't return a "Logical 2344 * unit not supported" (0x25) error. 2345 */ 2346 if ((have_sense) && (asc != 0x25) 2347 && (error_code == SSD_CURRENT_ERROR)) { 2348 const char *sense_key_desc; 2349 const char *asc_desc; 2350 2351 scsi_sense_desc(sense_key, asc, ascq, 2352 &cgd.inq_data, 2353 &sense_key_desc, 2354 &asc_desc); 2355 snprintf(announce_buf, 2356 sizeof(announce_buf), 2357 "Attempt to query device " 2358 "size failed: %s, %s", 2359 sense_key_desc, 2360 asc_desc); 2361 } else { 2362 if (have_sense) 2363 scsi_sense_print( 2364 &done_ccb->csio); 2365 else { 2366 xpt_print(periph->path, 2367 "got CAM status %#x\n", 2368 done_ccb->ccb_h.status); 2369 } 2370 2371 xpt_print(periph->path, "fatal error, " 2372 "failed to attach to device\n"); 2373 2374 /* 2375 * Free up resources. 2376 */ 2377 cam_periph_invalidate(periph); 2378 } 2379 } 2380 } 2381 free(csio->data_ptr, M_SCSIDA); 2382 if (announce_buf[0] != '\0') { 2383 /* 2384 * Create our sysctl variables, now that we know 2385 * we have successfully attached. 2386 */ 2387 /* increase the refcount */ 2388 if (cam_periph_acquire(periph) == CAM_REQ_CMP) { 2389 taskqueue_enqueue(taskqueue_thread, 2390 &softc->sysctl_task); 2391 xpt_announce_periph(periph, announce_buf); 2392 } else { 2393 xpt_print(periph->path, "fatal error, " 2394 "could not acquire reference count\n"); 2395 } 2396 2397 } 2398 softc->state = DA_STATE_NORMAL; 2399 /* 2400 * Since our peripheral may be invalidated by an error 2401 * above or an external event, we must release our CCB 2402 * before releasing the probe lock on the peripheral. 2403 * The peripheral will only go away once the last lock 2404 * is removed, and we need it around for the CCB release 2405 * operation. 2406 */ 2407 xpt_release_ccb(done_ccb); 2408 cam_periph_unhold(periph); 2409 return; 2410 } 2411 case DA_CCB_WAITING: 2412 { 2413 /* Caller will release the CCB */ 2414 wakeup(&done_ccb->ccb_h.cbfcnp); 2415 return; 2416 } 2417 case DA_CCB_DUMP: 2418 /* No-op. We're polling */ 2419 return; 2420 default: 2421 break; 2422 } 2423 xpt_release_ccb(done_ccb); 2424 } 2425 2426 static int 2427 daerror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags) 2428 { 2429 struct da_softc *softc; 2430 struct cam_periph *periph; 2431 int error; 2432 2433 periph = xpt_path_periph(ccb->ccb_h.path); 2434 softc = (struct da_softc *)periph->softc; 2435 2436 /* 2437 * Automatically detect devices that do not support 2438 * READ(6)/WRITE(6) and upgrade to using 10 byte cdbs. 2439 */ 2440 error = 0; 2441 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INVALID) { 2442 error = cmd6workaround(ccb); 2443 } else if (((ccb->ccb_h.status & CAM_STATUS_MASK) == 2444 CAM_SCSI_STATUS_ERROR) 2445 && (ccb->ccb_h.status & CAM_AUTOSNS_VALID) 2446 && (ccb->csio.scsi_status == SCSI_STATUS_CHECK_COND) 2447 && ((ccb->ccb_h.flags & CAM_SENSE_PHYS) == 0) 2448 && ((ccb->ccb_h.flags & CAM_SENSE_PTR) == 0)) { 2449 int sense_key, error_code, asc, ascq; 2450 2451 scsi_extract_sense(&ccb->csio.sense_data, 2452 &error_code, &sense_key, &asc, &ascq); 2453 if (sense_key == SSD_KEY_ILLEGAL_REQUEST) 2454 error = cmd6workaround(ccb); 2455 } 2456 if (error == ERESTART) 2457 return (ERESTART); 2458 2459 /* 2460 * XXX 2461 * Until we have a better way of doing pack validation, 2462 * don't treat UAs as errors. 2463 */ 2464 sense_flags |= SF_RETRY_UA; 2465 return(cam_periph_error(ccb, cam_flags, sense_flags, 2466 &softc->saved_ccb)); 2467 } 2468 2469 static void 2470 daprevent(struct cam_periph *periph, int action) 2471 { 2472 struct da_softc *softc; 2473 union ccb *ccb; 2474 int error; 2475 2476 softc = (struct da_softc *)periph->softc; 2477 2478 if (((action == PR_ALLOW) 2479 && (softc->flags & DA_FLAG_PACK_LOCKED) == 0) 2480 || ((action == PR_PREVENT) 2481 && (softc->flags & DA_FLAG_PACK_LOCKED) != 0)) { 2482 return; 2483 } 2484 2485 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 2486 2487 scsi_prevent(&ccb->csio, 2488 /*retries*/1, 2489 /*cbcfp*/dadone, 2490 MSG_SIMPLE_Q_TAG, 2491 action, 2492 SSD_FULL_SIZE, 2493 5000); 2494 2495 error = cam_periph_runccb(ccb, daerror, CAM_RETRY_SELTO, 2496 SF_RETRY_UA | SF_QUIET_IR, softc->disk->d_devstat); 2497 2498 if (error == 0) { 2499 if (action == PR_ALLOW) 2500 softc->flags &= ~DA_FLAG_PACK_LOCKED; 2501 else 2502 softc->flags |= DA_FLAG_PACK_LOCKED; 2503 } 2504 2505 xpt_release_ccb(ccb); 2506 } 2507 2508 static int 2509 dagetcapacity(struct cam_periph *periph) 2510 { 2511 struct da_softc *softc; 2512 union ccb *ccb; 2513 struct scsi_read_capacity_data *rcap; 2514 struct scsi_read_capacity_data_long *rcaplong; 2515 uint32_t block_len; 2516 uint64_t maxsector; 2517 int error, rc16failed; 2518 u_int32_t sense_flags; 2519 u_int lbppbe; /* Logical blocks per physical block exponent. */ 2520 u_int lalba; /* Lowest aligned LBA. */ 2521 2522 softc = (struct da_softc *)periph->softc; 2523 block_len = 0; 2524 maxsector = 0; 2525 lbppbe = 0; 2526 lalba = 0; 2527 error = 0; 2528 rc16failed = 0; 2529 sense_flags = SF_RETRY_UA; 2530 if (softc->flags & DA_FLAG_PACK_REMOVABLE) 2531 sense_flags |= SF_NO_PRINT; 2532 2533 /* Do a read capacity */ 2534 rcap = (struct scsi_read_capacity_data *)malloc(sizeof(*rcaplong), 2535 M_SCSIDA, 2536 M_NOWAIT | M_ZERO); 2537 if (rcap == NULL) 2538 return (ENOMEM); 2539 rcaplong = (struct scsi_read_capacity_data_long *)rcap; 2540 2541 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 2542 2543 /* Try READ CAPACITY(16) first if we think it should work. */ 2544 if (softc->flags & DA_FLAG_CAN_RC16) { 2545 scsi_read_capacity_16(&ccb->csio, 2546 /*retries*/ 4, 2547 /*cbfcnp*/ dadone, 2548 /*tag_action*/ MSG_SIMPLE_Q_TAG, 2549 /*lba*/ 0, 2550 /*reladr*/ 0, 2551 /*pmi*/ 0, 2552 rcaplong, 2553 /*sense_len*/ SSD_FULL_SIZE, 2554 /*timeout*/ 60000); 2555 ccb->ccb_h.ccb_bp = NULL; 2556 2557 error = cam_periph_runccb(ccb, daerror, 2558 /*cam_flags*/CAM_RETRY_SELTO, 2559 sense_flags, 2560 softc->disk->d_devstat); 2561 if (error == 0) 2562 goto rc16ok; 2563 2564 /* If we got ILLEGAL REQUEST, do not prefer RC16 any more. */ 2565 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == 2566 CAM_REQ_INVALID) { 2567 softc->flags &= ~DA_FLAG_CAN_RC16; 2568 } else if (((ccb->ccb_h.status & CAM_STATUS_MASK) == 2569 CAM_SCSI_STATUS_ERROR) && 2570 (ccb->csio.scsi_status == SCSI_STATUS_CHECK_COND) && 2571 (ccb->ccb_h.status & CAM_AUTOSNS_VALID) && 2572 ((ccb->ccb_h.flags & CAM_SENSE_PHYS) == 0) && 2573 ((ccb->ccb_h.flags & CAM_SENSE_PTR) == 0)) { 2574 int sense_key, error_code, asc, ascq; 2575 2576 scsi_extract_sense(&ccb->csio.sense_data, 2577 &error_code, &sense_key, &asc, &ascq); 2578 if (sense_key == SSD_KEY_ILLEGAL_REQUEST) 2579 softc->flags &= ~DA_FLAG_CAN_RC16; 2580 } 2581 rc16failed = 1; 2582 } 2583 2584 /* Do READ CAPACITY(10). */ 2585 scsi_read_capacity(&ccb->csio, 2586 /*retries*/4, 2587 /*cbfncp*/dadone, 2588 MSG_SIMPLE_Q_TAG, 2589 rcap, 2590 SSD_FULL_SIZE, 2591 /*timeout*/60000); 2592 ccb->ccb_h.ccb_bp = NULL; 2593 2594 error = cam_periph_runccb(ccb, daerror, 2595 /*cam_flags*/CAM_RETRY_SELTO, 2596 sense_flags, 2597 softc->disk->d_devstat); 2598 if (error == 0) { 2599 block_len = scsi_4btoul(rcap->length); 2600 maxsector = scsi_4btoul(rcap->addr); 2601 2602 if (maxsector != 0xffffffff || rc16failed) 2603 goto done; 2604 } else 2605 goto done; 2606 2607 /* If READ CAPACITY(10) returned overflow, use READ CAPACITY(16) */ 2608 scsi_read_capacity_16(&ccb->csio, 2609 /*retries*/ 4, 2610 /*cbfcnp*/ dadone, 2611 /*tag_action*/ MSG_SIMPLE_Q_TAG, 2612 /*lba*/ 0, 2613 /*reladr*/ 0, 2614 /*pmi*/ 0, 2615 rcaplong, 2616 /*sense_len*/ SSD_FULL_SIZE, 2617 /*timeout*/ 60000); 2618 ccb->ccb_h.ccb_bp = NULL; 2619 2620 error = cam_periph_runccb(ccb, daerror, 2621 /*cam_flags*/CAM_RETRY_SELTO, 2622 sense_flags, 2623 softc->disk->d_devstat); 2624 if (error == 0) { 2625 rc16ok: 2626 block_len = scsi_4btoul(rcaplong->length); 2627 maxsector = scsi_8btou64(rcaplong->addr); 2628 lbppbe = rcaplong->prot_lbppbe & SRC16_LBPPBE; 2629 lalba = scsi_2btoul(rcaplong->lalba_lbp); 2630 } 2631 2632 done: 2633 2634 if (error == 0) { 2635 if (block_len >= MAXPHYS || block_len == 0) { 2636 xpt_print(periph->path, 2637 "unsupportable block size %ju\n", 2638 (uintmax_t) block_len); 2639 error = EINVAL; 2640 } else { 2641 dasetgeom(periph, block_len, maxsector, 2642 lbppbe, lalba & SRC16_LALBA); 2643 if ((lalba & SRC16_LBPME) && 2644 softc->delete_method == DA_DELETE_NONE) 2645 softc->delete_method = DA_DELETE_UNMAP; 2646 } 2647 } 2648 2649 xpt_release_ccb(ccb); 2650 2651 free(rcap, M_SCSIDA); 2652 2653 return (error); 2654 } 2655 2656 static void 2657 dasetgeom(struct cam_periph *periph, uint32_t block_len, uint64_t maxsector, 2658 u_int lbppbe, u_int lalba) 2659 { 2660 struct ccb_calc_geometry ccg; 2661 struct da_softc *softc; 2662 struct disk_params *dp; 2663 2664 softc = (struct da_softc *)periph->softc; 2665 2666 dp = &softc->params; 2667 dp->secsize = block_len; 2668 dp->sectors = maxsector + 1; 2669 if (lbppbe > 0) { 2670 dp->stripesize = block_len << lbppbe; 2671 dp->stripeoffset = (dp->stripesize - block_len * lalba) % 2672 dp->stripesize; 2673 } else if (softc->quirks & DA_Q_4K) { 2674 dp->stripesize = 4096; 2675 dp->stripeoffset = 0; 2676 } else { 2677 dp->stripesize = 0; 2678 dp->stripeoffset = 0; 2679 } 2680 /* 2681 * Have the controller provide us with a geometry 2682 * for this disk. The only time the geometry 2683 * matters is when we boot and the controller 2684 * is the only one knowledgeable enough to come 2685 * up with something that will make this a bootable 2686 * device. 2687 */ 2688 xpt_setup_ccb(&ccg.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 2689 ccg.ccb_h.func_code = XPT_CALC_GEOMETRY; 2690 ccg.block_size = dp->secsize; 2691 ccg.volume_size = dp->sectors; 2692 ccg.heads = 0; 2693 ccg.secs_per_track = 0; 2694 ccg.cylinders = 0; 2695 xpt_action((union ccb*)&ccg); 2696 if ((ccg.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 2697 /* 2698 * We don't know what went wrong here- but just pick 2699 * a geometry so we don't have nasty things like divide 2700 * by zero. 2701 */ 2702 dp->heads = 255; 2703 dp->secs_per_track = 255; 2704 dp->cylinders = dp->sectors / (255 * 255); 2705 if (dp->cylinders == 0) { 2706 dp->cylinders = 1; 2707 } 2708 } else { 2709 dp->heads = ccg.heads; 2710 dp->secs_per_track = ccg.secs_per_track; 2711 dp->cylinders = ccg.cylinders; 2712 } 2713 } 2714 2715 static void 2716 dasendorderedtag(void *arg) 2717 { 2718 struct da_softc *softc = arg; 2719 2720 if (da_send_ordered) { 2721 if ((softc->ordered_tag_count == 0) 2722 && ((softc->flags & DA_FLAG_WENT_IDLE) == 0)) { 2723 softc->flags |= DA_FLAG_NEED_OTAG; 2724 } 2725 if (softc->outstanding_cmds > 0) 2726 softc->flags &= ~DA_FLAG_WENT_IDLE; 2727 2728 softc->ordered_tag_count = 0; 2729 } 2730 /* Queue us up again */ 2731 callout_reset(&softc->sendordered_c, 2732 (da_default_timeout * hz) / DA_ORDEREDTAG_INTERVAL, 2733 dasendorderedtag, softc); 2734 } 2735 2736 /* 2737 * Step through all DA peripheral drivers, and if the device is still open, 2738 * sync the disk cache to physical media. 2739 */ 2740 static void 2741 dashutdown(void * arg, int howto) 2742 { 2743 struct cam_periph *periph; 2744 struct da_softc *softc; 2745 int error; 2746 2747 TAILQ_FOREACH(periph, &dadriver.units, unit_links) { 2748 union ccb ccb; 2749 2750 cam_periph_lock(periph); 2751 softc = (struct da_softc *)periph->softc; 2752 2753 /* 2754 * We only sync the cache if the drive is still open, and 2755 * if the drive is capable of it.. 2756 */ 2757 if (((softc->flags & DA_FLAG_OPEN) == 0) 2758 || (softc->quirks & DA_Q_NO_SYNC_CACHE)) { 2759 cam_periph_unlock(periph); 2760 continue; 2761 } 2762 2763 xpt_setup_ccb(&ccb.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 2764 2765 ccb.ccb_h.ccb_state = DA_CCB_DUMP; 2766 scsi_synchronize_cache(&ccb.csio, 2767 /*retries*/0, 2768 /*cbfcnp*/dadone, 2769 MSG_SIMPLE_Q_TAG, 2770 /*begin_lba*/0, /* whole disk */ 2771 /*lb_count*/0, 2772 SSD_FULL_SIZE, 2773 60 * 60 * 1000); 2774 2775 xpt_polled_action(&ccb); 2776 2777 error = cam_periph_error(&ccb, 2778 0, SF_NO_RECOVERY | SF_NO_RETRY | SF_QUIET_IR, NULL); 2779 if ((ccb.ccb_h.status & CAM_DEV_QFRZN) != 0) 2780 cam_release_devq(ccb.ccb_h.path, /*relsim_flags*/0, 2781 /*reduction*/0, /*timeout*/0, /*getcount_only*/0); 2782 if (error != 0) 2783 xpt_print(periph->path, "Synchronize cache failed\n"); 2784 cam_periph_unlock(periph); 2785 } 2786 } 2787 2788 #else /* !_KERNEL */ 2789 2790 /* 2791 * XXX This is only left out of the kernel build to silence warnings. If, 2792 * for some reason this function is used in the kernel, the ifdefs should 2793 * be moved so it is included both in the kernel and userland. 2794 */ 2795 void 2796 scsi_format_unit(struct ccb_scsiio *csio, u_int32_t retries, 2797 void (*cbfcnp)(struct cam_periph *, union ccb *), 2798 u_int8_t tag_action, u_int8_t byte2, u_int16_t ileave, 2799 u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len, 2800 u_int32_t timeout) 2801 { 2802 struct scsi_format_unit *scsi_cmd; 2803 2804 scsi_cmd = (struct scsi_format_unit *)&csio->cdb_io.cdb_bytes; 2805 scsi_cmd->opcode = FORMAT_UNIT; 2806 scsi_cmd->byte2 = byte2; 2807 scsi_ulto2b(ileave, scsi_cmd->interleave); 2808 2809 cam_fill_csio(csio, 2810 retries, 2811 cbfcnp, 2812 /*flags*/ (dxfer_len > 0) ? CAM_DIR_OUT : CAM_DIR_NONE, 2813 tag_action, 2814 data_ptr, 2815 dxfer_len, 2816 sense_len, 2817 sizeof(*scsi_cmd), 2818 timeout); 2819 } 2820 2821 #endif /* _KERNEL */
Cache object: 8062fcc25b93a79587a9df65f0eee429
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