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/8.3/sys/cam/scsi/scsi_da.c 231523 2012-02-11 14:58:46Z avg $"); 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_disk.h> 48 #endif /* _KERNEL */ 49 50 #ifndef _KERNEL 51 #include <stdio.h> 52 #include <string.h> 53 #endif /* _KERNEL */ 54 55 #include <cam/cam.h> 56 #include <cam/cam_ccb.h> 57 #include <cam/cam_periph.h> 58 #include <cam/cam_xpt_periph.h> 59 #include <cam/cam_sim.h> 60 61 #include <cam/scsi/scsi_message.h> 62 63 #ifndef _KERNEL 64 #include <cam/scsi/scsi_da.h> 65 #endif /* !_KERNEL */ 66 67 #ifdef _KERNEL 68 typedef enum { 69 DA_STATE_PROBE, 70 DA_STATE_PROBE2, 71 DA_STATE_NORMAL 72 } da_state; 73 74 typedef enum { 75 DA_FLAG_PACK_INVALID = 0x001, 76 DA_FLAG_NEW_PACK = 0x002, 77 DA_FLAG_PACK_LOCKED = 0x004, 78 DA_FLAG_PACK_REMOVABLE = 0x008, 79 DA_FLAG_TAGGED_QUEUING = 0x010, 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_flags; 86 87 typedef enum { 88 DA_Q_NONE = 0x00, 89 DA_Q_NO_SYNC_CACHE = 0x01, 90 DA_Q_NO_6_BYTE = 0x02, 91 DA_Q_NO_PREVENT = 0x04, 92 DA_Q_4K = 0x08 93 } da_quirks; 94 95 typedef enum { 96 DA_CCB_PROBE = 0x01, 97 DA_CCB_PROBE2 = 0x02, 98 DA_CCB_BUFFER_IO = 0x03, 99 DA_CCB_WAITING = 0x04, 100 DA_CCB_DUMP = 0x05, 101 DA_CCB_TYPE_MASK = 0x0F, 102 DA_CCB_RETRY_UA = 0x10 103 } da_ccb_state; 104 105 /* Offsets into our private area for storing information */ 106 #define ccb_state ppriv_field0 107 #define ccb_bp ppriv_ptr1 108 109 struct disk_params { 110 u_int8_t heads; 111 u_int32_t cylinders; 112 u_int8_t secs_per_track; 113 u_int32_t secsize; /* Number of bytes/sector */ 114 u_int64_t sectors; /* total number sectors */ 115 u_int stripesize; 116 u_int stripeoffset; 117 }; 118 119 struct da_softc { 120 struct bio_queue_head bio_queue; 121 SLIST_ENTRY(da_softc) links; 122 LIST_HEAD(, ccb_hdr) pending_ccbs; 123 da_state state; 124 da_flags flags; 125 da_quirks quirks; 126 int minimum_cmd_size; 127 int error_inject; 128 int ordered_tag_count; 129 int outstanding_cmds; 130 struct disk_params params; 131 struct disk *disk; 132 union ccb saved_ccb; 133 struct task sysctl_task; 134 struct sysctl_ctx_list sysctl_ctx; 135 struct sysctl_oid *sysctl_tree; 136 struct callout sendordered_c; 137 }; 138 139 struct da_quirk_entry { 140 struct scsi_inquiry_pattern inq_pat; 141 da_quirks quirks; 142 }; 143 144 static const char quantum[] = "QUANTUM"; 145 static const char microp[] = "MICROP"; 146 147 static struct da_quirk_entry da_quirk_table[] = 148 { 149 /* SPI, FC devices */ 150 { 151 /* 152 * Fujitsu M2513A MO drives. 153 * Tested devices: M2513A2 firmware versions 1200 & 1300. 154 * (dip switch selects whether T_DIRECT or T_OPTICAL device) 155 * Reported by: W.Scholten <whs@xs4all.nl> 156 */ 157 {T_DIRECT, SIP_MEDIA_REMOVABLE, "FUJITSU", "M2513A", "*"}, 158 /*quirks*/ DA_Q_NO_SYNC_CACHE 159 }, 160 { 161 /* See above. */ 162 {T_OPTICAL, SIP_MEDIA_REMOVABLE, "FUJITSU", "M2513A", "*"}, 163 /*quirks*/ DA_Q_NO_SYNC_CACHE 164 }, 165 { 166 /* 167 * This particular Fujitsu drive doesn't like the 168 * synchronize cache command. 169 * Reported by: Tom Jackson <toj@gorilla.net> 170 */ 171 {T_DIRECT, SIP_MEDIA_FIXED, "FUJITSU", "M2954*", "*"}, 172 /*quirks*/ DA_Q_NO_SYNC_CACHE 173 }, 174 { 175 /* 176 * This drive doesn't like the synchronize cache command 177 * either. Reported by: Matthew Jacob <mjacob@feral.com> 178 * in NetBSD PR kern/6027, August 24, 1998. 179 */ 180 {T_DIRECT, SIP_MEDIA_FIXED, microp, "2217*", "*"}, 181 /*quirks*/ DA_Q_NO_SYNC_CACHE 182 }, 183 { 184 /* 185 * This drive doesn't like the synchronize cache command 186 * either. Reported by: Hellmuth Michaelis (hm@kts.org) 187 * (PR 8882). 188 */ 189 {T_DIRECT, SIP_MEDIA_FIXED, microp, "2112*", "*"}, 190 /*quirks*/ DA_Q_NO_SYNC_CACHE 191 }, 192 { 193 /* 194 * Doesn't like the synchronize cache command. 195 * Reported by: Blaz Zupan <blaz@gold.amis.net> 196 */ 197 {T_DIRECT, SIP_MEDIA_FIXED, "NEC", "D3847*", "*"}, 198 /*quirks*/ DA_Q_NO_SYNC_CACHE 199 }, 200 { 201 /* 202 * Doesn't like the synchronize cache command. 203 * Reported by: Blaz Zupan <blaz@gold.amis.net> 204 */ 205 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "MAVERICK 540S", "*"}, 206 /*quirks*/ DA_Q_NO_SYNC_CACHE 207 }, 208 { 209 /* 210 * Doesn't like the synchronize cache command. 211 */ 212 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "LPS525S", "*"}, 213 /*quirks*/ DA_Q_NO_SYNC_CACHE 214 }, 215 { 216 /* 217 * Doesn't like the synchronize cache command. 218 * Reported by: walter@pelissero.de 219 */ 220 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "LPS540S", "*"}, 221 /*quirks*/ DA_Q_NO_SYNC_CACHE 222 }, 223 { 224 /* 225 * Doesn't work correctly with 6 byte reads/writes. 226 * Returns illegal request, and points to byte 9 of the 227 * 6-byte CDB. 228 * Reported by: Adam McDougall <bsdx@spawnet.com> 229 */ 230 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "VIKING 4*", "*"}, 231 /*quirks*/ DA_Q_NO_6_BYTE 232 }, 233 { 234 /* See above. */ 235 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "VIKING 2*", "*"}, 236 /*quirks*/ DA_Q_NO_6_BYTE 237 }, 238 { 239 /* 240 * Doesn't like the synchronize cache command. 241 * Reported by: walter@pelissero.de 242 */ 243 {T_DIRECT, SIP_MEDIA_FIXED, "CONNER", "CP3500*", "*"}, 244 /*quirks*/ DA_Q_NO_SYNC_CACHE 245 }, 246 { 247 /* 248 * The CISS RAID controllers do not support SYNC_CACHE 249 */ 250 {T_DIRECT, SIP_MEDIA_FIXED, "COMPAQ", "RAID*", "*"}, 251 /*quirks*/ DA_Q_NO_SYNC_CACHE 252 }, 253 /* USB mass storage devices supported by umass(4) */ 254 { 255 /* 256 * EXATELECOM (Sigmatel) i-Bead 100/105 USB Flash MP3 Player 257 * PR: kern/51675 258 */ 259 {T_DIRECT, SIP_MEDIA_REMOVABLE, "EXATEL", "i-BEAD10*", "*"}, 260 /*quirks*/ DA_Q_NO_SYNC_CACHE 261 }, 262 { 263 /* 264 * Power Quotient Int. (PQI) USB flash key 265 * PR: kern/53067 266 */ 267 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "USB Flash Disk*", 268 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 269 }, 270 { 271 /* 272 * Creative Nomad MUVO mp3 player (USB) 273 * PR: kern/53094 274 */ 275 {T_DIRECT, SIP_MEDIA_REMOVABLE, "CREATIVE", "NOMAD_MUVO", "*"}, 276 /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT 277 }, 278 { 279 /* 280 * Jungsoft NEXDISK USB flash key 281 * PR: kern/54737 282 */ 283 {T_DIRECT, SIP_MEDIA_REMOVABLE, "JUNGSOFT", "NEXDISK*", "*"}, 284 /*quirks*/ DA_Q_NO_SYNC_CACHE 285 }, 286 { 287 /* 288 * FreeDik USB Mini Data Drive 289 * PR: kern/54786 290 */ 291 {T_DIRECT, SIP_MEDIA_REMOVABLE, "FreeDik*", "Mini Data Drive", 292 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 293 }, 294 { 295 /* 296 * Sigmatel USB Flash MP3 Player 297 * PR: kern/57046 298 */ 299 {T_DIRECT, SIP_MEDIA_REMOVABLE, "SigmaTel", "MSCN", "*"}, 300 /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT 301 }, 302 { 303 /* 304 * Neuros USB Digital Audio Computer 305 * PR: kern/63645 306 */ 307 {T_DIRECT, SIP_MEDIA_REMOVABLE, "NEUROS", "dig. audio comp.", 308 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 309 }, 310 { 311 /* 312 * SEAGRAND NP-900 MP3 Player 313 * PR: kern/64563 314 */ 315 {T_DIRECT, SIP_MEDIA_REMOVABLE, "SEAGRAND", "NP-900*", "*"}, 316 /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT 317 }, 318 { 319 /* 320 * iRiver iFP MP3 player (with UMS Firmware) 321 * PR: kern/54881, i386/63941, kern/66124 322 */ 323 {T_DIRECT, SIP_MEDIA_REMOVABLE, "iRiver", "iFP*", "*"}, 324 /*quirks*/ DA_Q_NO_SYNC_CACHE 325 }, 326 { 327 /* 328 * Frontier Labs NEX IA+ Digital Audio Player, rev 1.10/0.01 329 * PR: kern/70158 330 */ 331 {T_DIRECT, SIP_MEDIA_REMOVABLE, "FL" , "Nex*", "*"}, 332 /*quirks*/ DA_Q_NO_SYNC_CACHE 333 }, 334 { 335 /* 336 * ZICPlay USB MP3 Player with FM 337 * PR: kern/75057 338 */ 339 {T_DIRECT, SIP_MEDIA_REMOVABLE, "ACTIONS*" , "USB DISK*", "*"}, 340 /*quirks*/ DA_Q_NO_SYNC_CACHE 341 }, 342 { 343 /* 344 * TEAC USB floppy mechanisms 345 */ 346 {T_DIRECT, SIP_MEDIA_REMOVABLE, "TEAC" , "FD-05*", "*"}, 347 /*quirks*/ DA_Q_NO_SYNC_CACHE 348 }, 349 { 350 /* 351 * Kingston DataTraveler II+ USB Pen-Drive. 352 * Reported by: Pawel Jakub Dawidek <pjd@FreeBSD.org> 353 */ 354 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Kingston" , "DataTraveler II+", 355 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 356 }, 357 { 358 /* 359 * Motorola E398 Mobile Phone (TransFlash memory card). 360 * Reported by: Wojciech A. Koszek <dunstan@FreeBSD.czest.pl> 361 * PR: usb/89889 362 */ 363 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Motorola" , "Motorola Phone", 364 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 365 }, 366 { 367 /* 368 * Qware BeatZkey! Pro 369 * PR: usb/79164 370 */ 371 {T_DIRECT, SIP_MEDIA_REMOVABLE, "GENERIC", "USB DISK DEVICE", 372 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 373 }, 374 { 375 /* 376 * Time DPA20B 1GB MP3 Player 377 * PR: usb/81846 378 */ 379 {T_DIRECT, SIP_MEDIA_REMOVABLE, "USB2.0*", "(FS) FLASH DISK*", 380 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 381 }, 382 { 383 /* 384 * Samsung USB key 128Mb 385 * PR: usb/90081 386 */ 387 {T_DIRECT, SIP_MEDIA_REMOVABLE, "USB-DISK", "FreeDik-FlashUsb", 388 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 389 }, 390 { 391 /* 392 * Kingston DataTraveler 2.0 USB Flash memory. 393 * PR: usb/89196 394 */ 395 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Kingston", "DataTraveler 2.0", 396 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 397 }, 398 { 399 /* 400 * Creative MUVO Slim mp3 player (USB) 401 * PR: usb/86131 402 */ 403 {T_DIRECT, SIP_MEDIA_REMOVABLE, "CREATIVE", "MuVo Slim", 404 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT 405 }, 406 { 407 /* 408 * United MP5512 Portable MP3 Player (2-in-1 USB DISK/MP3) 409 * PR: usb/80487 410 */ 411 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "MUSIC DISK", 412 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 413 }, 414 { 415 /* 416 * SanDisk Micro Cruzer 128MB 417 * PR: usb/75970 418 */ 419 {T_DIRECT, SIP_MEDIA_REMOVABLE, "SanDisk" , "Micro Cruzer", 420 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 421 }, 422 { 423 /* 424 * TOSHIBA TransMemory USB sticks 425 * PR: kern/94660 426 */ 427 {T_DIRECT, SIP_MEDIA_REMOVABLE, "TOSHIBA", "TransMemory", 428 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 429 }, 430 { 431 /* 432 * PNY USB Flash keys 433 * PR: usb/75578, usb/72344, usb/65436 434 */ 435 {T_DIRECT, SIP_MEDIA_REMOVABLE, "*" , "USB DISK*", 436 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 437 }, 438 { 439 /* 440 * Genesys 6-in-1 Card Reader 441 * PR: usb/94647 442 */ 443 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "STORAGE DEVICE*", 444 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 445 }, 446 { 447 /* 448 * Rekam Digital CAMERA 449 * PR: usb/98713 450 */ 451 {T_DIRECT, SIP_MEDIA_REMOVABLE, "CAMERA*", "4MP-9J6*", 452 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 453 }, 454 { 455 /* 456 * iRiver H10 MP3 player 457 * PR: usb/102547 458 */ 459 {T_DIRECT, SIP_MEDIA_REMOVABLE, "iriver", "H10*", 460 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 461 }, 462 { 463 /* 464 * iRiver U10 MP3 player 465 * PR: usb/92306 466 */ 467 {T_DIRECT, SIP_MEDIA_REMOVABLE, "iriver", "U10*", 468 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 469 }, 470 { 471 /* 472 * X-Micro Flash Disk 473 * PR: usb/96901 474 */ 475 {T_DIRECT, SIP_MEDIA_REMOVABLE, "X-Micro", "Flash Disk", 476 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 477 }, 478 { 479 /* 480 * EasyMP3 EM732X USB 2.0 Flash MP3 Player 481 * PR: usb/96546 482 */ 483 {T_DIRECT, SIP_MEDIA_REMOVABLE, "EM732X", "MP3 Player*", 484 "1.00"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 485 }, 486 { 487 /* 488 * Denver MP3 player 489 * PR: usb/107101 490 */ 491 {T_DIRECT, SIP_MEDIA_REMOVABLE, "DENVER", "MP3 PLAYER", 492 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 493 }, 494 { 495 /* 496 * Philips USB Key Audio KEY013 497 * PR: usb/68412 498 */ 499 {T_DIRECT, SIP_MEDIA_REMOVABLE, "PHILIPS", "Key*", "*"}, 500 /*quirks*/ DA_Q_NO_SYNC_CACHE | DA_Q_NO_PREVENT 501 }, 502 { 503 /* 504 * JNC MP3 Player 505 * PR: usb/94439 506 */ 507 {T_DIRECT, SIP_MEDIA_REMOVABLE, "JNC*" , "MP3 Player*", 508 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 509 }, 510 { 511 /* 512 * SAMSUNG MP0402H 513 * PR: usb/108427 514 */ 515 {T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "MP0402H", "*"}, 516 /*quirks*/ DA_Q_NO_SYNC_CACHE 517 }, 518 { 519 /* 520 * I/O Magic USB flash - Giga Bank 521 * PR: usb/108810 522 */ 523 {T_DIRECT, SIP_MEDIA_FIXED, "GS-Magic", "stor*", "*"}, 524 /*quirks*/ DA_Q_NO_SYNC_CACHE 525 }, 526 { 527 /* 528 * JoyFly 128mb USB Flash Drive 529 * PR: 96133 530 */ 531 {T_DIRECT, SIP_MEDIA_REMOVABLE, "USB 2.0", "Flash Disk*", 532 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 533 }, 534 { 535 /* 536 * ChipsBnk usb stick 537 * PR: 103702 538 */ 539 {T_DIRECT, SIP_MEDIA_REMOVABLE, "ChipsBnk", "USB*", 540 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 541 }, 542 { 543 /* 544 * Storcase (Kingston) InfoStation IFS FC2/SATA-R 201A 545 * PR: 129858 546 */ 547 {T_DIRECT, SIP_MEDIA_FIXED, "IFS", "FC2/SATA-R*", 548 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 549 }, 550 { 551 /* 552 * Samsung YP-U3 mp3-player 553 * PR: 125398 554 */ 555 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Samsung", "YP-U3", 556 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 557 }, 558 { 559 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Netac", "OnlyDisk*", 560 "2000"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 561 }, 562 { 563 /* 564 * Sony Cyber-Shot DSC cameras 565 * PR: usb/137035 566 */ 567 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Sony", "Sony DSC", "*"}, 568 /*quirks*/ DA_Q_NO_SYNC_CACHE | DA_Q_NO_PREVENT 569 }, 570 /* ATA/SATA devices over SAS/USB/... */ 571 { 572 /* Hitachi Advanced Format (4k) drives */ 573 { T_DIRECT, SIP_MEDIA_FIXED, "Hitachi", "H??????????E3*", "*" }, 574 /*quirks*/DA_Q_4K 575 }, 576 { 577 /* Samsung Advanced Format (4k) drives */ 578 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SAMSUNG HD155UI*", "*" }, 579 /*quirks*/DA_Q_4K 580 }, 581 { 582 /* Samsung Advanced Format (4k) drives */ 583 { T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "HD155UI*", "*" }, 584 /*quirks*/DA_Q_4K 585 }, 586 { 587 /* Samsung Advanced Format (4k) drives */ 588 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SAMSUNG HD204UI*", "*" }, 589 /*quirks*/DA_Q_4K 590 }, 591 { 592 /* Samsung Advanced Format (4k) drives */ 593 { T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "HD204UI*", "*" }, 594 /*quirks*/DA_Q_4K 595 }, 596 { 597 /* Seagate Barracuda Green Advanced Format (4k) drives */ 598 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST????DL*", "*" }, 599 /*quirks*/DA_Q_4K 600 }, 601 { 602 /* Seagate Barracuda Green Advanced Format (4k) drives */ 603 { T_DIRECT, SIP_MEDIA_FIXED, "ST????DL", "*", "*" }, 604 /*quirks*/DA_Q_4K 605 }, 606 { 607 /* Seagate Barracuda Green Advanced Format (4k) drives */ 608 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST???DM*", "*" }, 609 /*quirks*/DA_Q_4K 610 }, 611 { 612 /* Seagate Barracuda Green Advanced Format (4k) drives */ 613 { T_DIRECT, SIP_MEDIA_FIXED, "ST???DM*", "*", "*" }, 614 /*quirks*/DA_Q_4K 615 }, 616 { 617 /* Seagate Barracuda Green Advanced Format (4k) drives */ 618 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST????DM*", "*" }, 619 /*quirks*/DA_Q_4K 620 }, 621 { 622 /* Seagate Barracuda Green Advanced Format (4k) drives */ 623 { T_DIRECT, SIP_MEDIA_FIXED, "ST????DM", "*", "*" }, 624 /*quirks*/DA_Q_4K 625 }, 626 { 627 /* Seagate Momentus Advanced Format (4k) drives */ 628 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9500423AS*", "*" }, 629 /*quirks*/DA_Q_4K 630 }, 631 { 632 /* Seagate Momentus Advanced Format (4k) drives */ 633 { T_DIRECT, SIP_MEDIA_FIXED, "ST950042", "3AS*", "*" }, 634 /*quirks*/DA_Q_4K 635 }, 636 { 637 /* Seagate Momentus Advanced Format (4k) drives */ 638 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9500424AS*", "*" }, 639 /*quirks*/DA_Q_4K 640 }, 641 { 642 /* Seagate Momentus Advanced Format (4k) drives */ 643 { T_DIRECT, SIP_MEDIA_FIXED, "ST950042", "4AS*", "*" }, 644 /*quirks*/DA_Q_4K 645 }, 646 { 647 /* Seagate Momentus Advanced Format (4k) drives */ 648 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9640423AS*", "*" }, 649 /*quirks*/DA_Q_4K 650 }, 651 { 652 /* Seagate Momentus Advanced Format (4k) drives */ 653 { T_DIRECT, SIP_MEDIA_FIXED, "ST964042", "3AS*", "*" }, 654 /*quirks*/DA_Q_4K 655 }, 656 { 657 /* Seagate Momentus Advanced Format (4k) drives */ 658 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9640424AS*", "*" }, 659 /*quirks*/DA_Q_4K 660 }, 661 { 662 /* Seagate Momentus Advanced Format (4k) drives */ 663 { T_DIRECT, SIP_MEDIA_FIXED, "ST964042", "4AS*", "*" }, 664 /*quirks*/DA_Q_4K 665 }, 666 { 667 /* Seagate Momentus Advanced Format (4k) drives */ 668 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9750420AS*", "*" }, 669 /*quirks*/DA_Q_4K 670 }, 671 { 672 /* Seagate Momentus Advanced Format (4k) drives */ 673 { T_DIRECT, SIP_MEDIA_FIXED, "ST975042", "0AS*", "*" }, 674 /*quirks*/DA_Q_4K 675 }, 676 { 677 /* Seagate Momentus Advanced Format (4k) drives */ 678 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9750422AS*", "*" }, 679 /*quirks*/DA_Q_4K 680 }, 681 { 682 /* Seagate Momentus Advanced Format (4k) drives */ 683 { T_DIRECT, SIP_MEDIA_FIXED, "ST975042", "2AS*", "*" }, 684 /*quirks*/DA_Q_4K 685 }, 686 { 687 /* Seagate Momentus Advanced Format (4k) drives */ 688 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9750423AS*", "*" }, 689 /*quirks*/DA_Q_4K 690 }, 691 { 692 /* Seagate Momentus Advanced Format (4k) drives */ 693 { T_DIRECT, SIP_MEDIA_FIXED, "ST975042", "3AS*", "*" }, 694 /*quirks*/DA_Q_4K 695 }, 696 { 697 /* Seagate Momentus Thin Advanced Format (4k) drives */ 698 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST???LT*", "*" }, 699 /*quirks*/DA_Q_4K 700 }, 701 { 702 /* Seagate Momentus Thin Advanced Format (4k) drives */ 703 { T_DIRECT, SIP_MEDIA_FIXED, "ST???LT*", "*", "*" }, 704 /*quirks*/DA_Q_4K 705 }, 706 { 707 /* WDC Caviar Green Advanced Format (4k) drives */ 708 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD????RS*", "*" }, 709 /*quirks*/DA_Q_4K 710 }, 711 { 712 /* WDC Caviar Green Advanced Format (4k) drives */ 713 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "??RS*", "*" }, 714 /*quirks*/DA_Q_4K 715 }, 716 { 717 /* WDC Caviar Green Advanced Format (4k) drives */ 718 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD????RX*", "*" }, 719 /*quirks*/DA_Q_4K 720 }, 721 { 722 /* WDC Caviar Green Advanced Format (4k) drives */ 723 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "??RX*", "*" }, 724 /*quirks*/DA_Q_4K 725 }, 726 { 727 /* WDC Caviar Green Advanced Format (4k) drives */ 728 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD??????RS*", "*" }, 729 /*quirks*/DA_Q_4K 730 }, 731 { 732 /* WDC Caviar Green Advanced Format (4k) drives */ 733 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "????RS*", "*" }, 734 /*quirks*/DA_Q_4K 735 }, 736 { 737 /* WDC Caviar Green Advanced Format (4k) drives */ 738 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD??????RX*", "*" }, 739 /*quirks*/DA_Q_4K 740 }, 741 { 742 /* WDC Caviar Green Advanced Format (4k) drives */ 743 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "????RX*", "*" }, 744 /*quirks*/DA_Q_4K 745 }, 746 { 747 /* WDC Scorpio Black Advanced Format (4k) drives */ 748 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD???PKT*", "*" }, 749 /*quirks*/DA_Q_4K 750 }, 751 { 752 /* WDC Scorpio Black Advanced Format (4k) drives */ 753 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "?PKT*", "*" }, 754 /*quirks*/DA_Q_4K 755 }, 756 { 757 /* WDC Scorpio Black Advanced Format (4k) drives */ 758 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD?????PKT*", "*" }, 759 /*quirks*/DA_Q_4K 760 }, 761 { 762 /* WDC Scorpio Black Advanced Format (4k) drives */ 763 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "???PKT*", "*" }, 764 /*quirks*/DA_Q_4K 765 }, 766 { 767 /* WDC Scorpio Blue Advanced Format (4k) drives */ 768 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD???PVT*", "*" }, 769 /*quirks*/DA_Q_4K 770 }, 771 { 772 /* WDC Scorpio Blue Advanced Format (4k) drives */ 773 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "?PVT*", "*" }, 774 /*quirks*/DA_Q_4K 775 }, 776 { 777 /* WDC Scorpio Blue Advanced Format (4k) drives */ 778 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD?????PVT*", "*" }, 779 /*quirks*/DA_Q_4K 780 }, 781 { 782 /* WDC Scorpio Blue Advanced Format (4k) drives */ 783 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "???PVT*", "*" }, 784 /*quirks*/DA_Q_4K 785 }, 786 }; 787 788 static disk_strategy_t dastrategy; 789 static dumper_t dadump; 790 static periph_init_t dainit; 791 static void daasync(void *callback_arg, u_int32_t code, 792 struct cam_path *path, void *arg); 793 static void dasysctlinit(void *context, int pending); 794 static int dacmdsizesysctl(SYSCTL_HANDLER_ARGS); 795 static periph_ctor_t daregister; 796 static periph_dtor_t dacleanup; 797 static periph_start_t dastart; 798 static periph_oninv_t daoninvalidate; 799 static void dadone(struct cam_periph *periph, 800 union ccb *done_ccb); 801 static int daerror(union ccb *ccb, u_int32_t cam_flags, 802 u_int32_t sense_flags); 803 static void daprevent(struct cam_periph *periph, int action); 804 static int dagetcapacity(struct cam_periph *periph); 805 static void dasetgeom(struct cam_periph *periph, uint32_t block_len, 806 uint64_t maxsector, u_int lbppbe, u_int lalba); 807 static timeout_t dasendorderedtag; 808 static void dashutdown(void *arg, int howto); 809 810 #ifndef DA_DEFAULT_TIMEOUT 811 #define DA_DEFAULT_TIMEOUT 60 /* Timeout in seconds */ 812 #endif 813 814 #ifndef DA_DEFAULT_RETRY 815 #define DA_DEFAULT_RETRY 4 816 #endif 817 818 #ifndef DA_DEFAULT_SEND_ORDERED 819 #define DA_DEFAULT_SEND_ORDERED 1 820 #endif 821 822 823 static int da_retry_count = DA_DEFAULT_RETRY; 824 static int da_default_timeout = DA_DEFAULT_TIMEOUT; 825 static int da_send_ordered = DA_DEFAULT_SEND_ORDERED; 826 827 SYSCTL_NODE(_kern_cam, OID_AUTO, da, CTLFLAG_RD, 0, 828 "CAM Direct Access Disk driver"); 829 SYSCTL_INT(_kern_cam_da, OID_AUTO, retry_count, CTLFLAG_RW, 830 &da_retry_count, 0, "Normal I/O retry count"); 831 TUNABLE_INT("kern.cam.da.retry_count", &da_retry_count); 832 SYSCTL_INT(_kern_cam_da, OID_AUTO, default_timeout, CTLFLAG_RW, 833 &da_default_timeout, 0, "Normal I/O timeout (in seconds)"); 834 TUNABLE_INT("kern.cam.da.default_timeout", &da_default_timeout); 835 SYSCTL_INT(_kern_cam_da, OID_AUTO, da_send_ordered, CTLFLAG_RW, 836 &da_send_ordered, 0, "Send Ordered Tags"); 837 TUNABLE_INT("kern.cam.da.da_send_ordered", &da_send_ordered); 838 839 /* 840 * DA_ORDEREDTAG_INTERVAL determines how often, relative 841 * to the default timeout, we check to see whether an ordered 842 * tagged transaction is appropriate to prevent simple tag 843 * starvation. Since we'd like to ensure that there is at least 844 * 1/2 of the timeout length left for a starved transaction to 845 * complete after we've sent an ordered tag, we must poll at least 846 * four times in every timeout period. This takes care of the worst 847 * case where a starved transaction starts during an interval that 848 * meets the requirement "don't send an ordered tag" test so it takes 849 * us two intervals to determine that a tag must be sent. 850 */ 851 #ifndef DA_ORDEREDTAG_INTERVAL 852 #define DA_ORDEREDTAG_INTERVAL 4 853 #endif 854 855 static struct periph_driver dadriver = 856 { 857 dainit, "da", 858 TAILQ_HEAD_INITIALIZER(dadriver.units), /* generation */ 0 859 }; 860 861 PERIPHDRIVER_DECLARE(da, dadriver); 862 863 MALLOC_DEFINE(M_SCSIDA, "scsi_da", "scsi_da buffers"); 864 865 static int 866 daopen(struct disk *dp) 867 { 868 struct cam_periph *periph; 869 struct da_softc *softc; 870 int unit; 871 int error; 872 873 periph = (struct cam_periph *)dp->d_drv1; 874 if (periph == NULL) { 875 return (ENXIO); 876 } 877 878 if (cam_periph_acquire(periph) != CAM_REQ_CMP) { 879 return (ENXIO); 880 } 881 882 cam_periph_lock(periph); 883 if ((error = cam_periph_hold(periph, PRIBIO|PCATCH)) != 0) { 884 cam_periph_unlock(periph); 885 cam_periph_release(periph); 886 return (error); 887 } 888 889 unit = periph->unit_number; 890 softc = (struct da_softc *)periph->softc; 891 softc->flags |= DA_FLAG_OPEN; 892 893 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 894 ("daopen: disk=%s%d (unit %d)\n", dp->d_name, dp->d_unit, 895 unit)); 896 897 if ((softc->flags & DA_FLAG_PACK_INVALID) != 0) { 898 /* Invalidate our pack information. */ 899 softc->flags &= ~DA_FLAG_PACK_INVALID; 900 } 901 902 error = dagetcapacity(periph); 903 904 if (error == 0) { 905 906 softc->disk->d_sectorsize = softc->params.secsize; 907 softc->disk->d_mediasize = softc->params.secsize * (off_t)softc->params.sectors; 908 softc->disk->d_stripesize = softc->params.stripesize; 909 softc->disk->d_stripeoffset = softc->params.stripeoffset; 910 /* XXX: these are not actually "firmware" values, so they may be wrong */ 911 softc->disk->d_fwsectors = softc->params.secs_per_track; 912 softc->disk->d_fwheads = softc->params.heads; 913 softc->disk->d_devstat->block_size = softc->params.secsize; 914 softc->disk->d_devstat->flags &= ~DEVSTAT_BS_UNAVAILABLE; 915 916 if ((softc->flags & DA_FLAG_PACK_REMOVABLE) != 0 && 917 (softc->quirks & DA_Q_NO_PREVENT) == 0) 918 daprevent(periph, PR_PREVENT); 919 } else 920 softc->flags &= ~DA_FLAG_OPEN; 921 922 cam_periph_unhold(periph); 923 cam_periph_unlock(periph); 924 925 if (error != 0) { 926 cam_periph_release(periph); 927 } 928 return (error); 929 } 930 931 static int 932 daclose(struct disk *dp) 933 { 934 struct cam_periph *periph; 935 struct da_softc *softc; 936 int error; 937 938 periph = (struct cam_periph *)dp->d_drv1; 939 if (periph == NULL) 940 return (0); 941 942 cam_periph_lock(periph); 943 if ((error = cam_periph_hold(periph, PRIBIO)) != 0) { 944 cam_periph_unlock(periph); 945 cam_periph_release(periph); 946 return (0); 947 } 948 949 softc = (struct da_softc *)periph->softc; 950 951 if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) { 952 union ccb *ccb; 953 954 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 955 956 scsi_synchronize_cache(&ccb->csio, 957 /*retries*/1, 958 /*cbfcnp*/dadone, 959 MSG_SIMPLE_Q_TAG, 960 /*begin_lba*/0,/* Cover the whole disk */ 961 /*lb_count*/0, 962 SSD_FULL_SIZE, 963 5 * 60 * 1000); 964 965 cam_periph_runccb(ccb, /*error_routine*/NULL, /*cam_flags*/0, 966 /*sense_flags*/SF_RETRY_UA, 967 softc->disk->d_devstat); 968 969 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 970 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == 971 CAM_SCSI_STATUS_ERROR) { 972 int asc, ascq; 973 int sense_key, error_code; 974 975 scsi_extract_sense(&ccb->csio.sense_data, 976 &error_code, 977 &sense_key, 978 &asc, &ascq); 979 if (sense_key != SSD_KEY_ILLEGAL_REQUEST) 980 scsi_sense_print(&ccb->csio); 981 } else { 982 xpt_print(periph->path, "Synchronize cache " 983 "failed, status == 0x%x, scsi status == " 984 "0x%x\n", ccb->csio.ccb_h.status, 985 ccb->csio.scsi_status); 986 } 987 } 988 989 if ((ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 990 cam_release_devq(ccb->ccb_h.path, 991 /*relsim_flags*/0, 992 /*reduction*/0, 993 /*timeout*/0, 994 /*getcount_only*/0); 995 996 xpt_release_ccb(ccb); 997 998 } 999 1000 if ((softc->flags & DA_FLAG_PACK_REMOVABLE) != 0) { 1001 if ((softc->quirks & DA_Q_NO_PREVENT) == 0) 1002 daprevent(periph, PR_ALLOW); 1003 /* 1004 * If we've got removeable media, mark the blocksize as 1005 * unavailable, since it could change when new media is 1006 * inserted. 1007 */ 1008 softc->disk->d_devstat->flags |= DEVSTAT_BS_UNAVAILABLE; 1009 } 1010 1011 softc->flags &= ~DA_FLAG_OPEN; 1012 cam_periph_unhold(periph); 1013 cam_periph_unlock(periph); 1014 cam_periph_release(periph); 1015 return (0); 1016 } 1017 1018 /* 1019 * Actually translate the requested transfer into one the physical driver 1020 * can understand. The transfer is described by a buf and will include 1021 * only one physical transfer. 1022 */ 1023 static void 1024 dastrategy(struct bio *bp) 1025 { 1026 struct cam_periph *periph; 1027 struct da_softc *softc; 1028 1029 periph = (struct cam_periph *)bp->bio_disk->d_drv1; 1030 if (periph == NULL) { 1031 biofinish(bp, NULL, ENXIO); 1032 return; 1033 } 1034 softc = (struct da_softc *)periph->softc; 1035 1036 cam_periph_lock(periph); 1037 1038 /* 1039 * If the device has been made invalid, error out 1040 */ 1041 if ((softc->flags & DA_FLAG_PACK_INVALID)) { 1042 cam_periph_unlock(periph); 1043 biofinish(bp, NULL, ENXIO); 1044 return; 1045 } 1046 1047 /* 1048 * Place it in the queue of disk activities for this disk 1049 */ 1050 bioq_disksort(&softc->bio_queue, bp); 1051 1052 /* 1053 * Schedule ourselves for performing the work. 1054 */ 1055 xpt_schedule(periph, CAM_PRIORITY_NORMAL); 1056 cam_periph_unlock(periph); 1057 1058 return; 1059 } 1060 1061 static int 1062 dadump(void *arg, void *virtual, vm_offset_t physical, off_t offset, size_t length) 1063 { 1064 struct cam_periph *periph; 1065 struct da_softc *softc; 1066 u_int secsize; 1067 struct ccb_scsiio csio; 1068 struct disk *dp; 1069 1070 dp = arg; 1071 periph = dp->d_drv1; 1072 if (periph == NULL) 1073 return (ENXIO); 1074 softc = (struct da_softc *)periph->softc; 1075 cam_periph_lock(periph); 1076 secsize = softc->params.secsize; 1077 1078 if ((softc->flags & DA_FLAG_PACK_INVALID) != 0) { 1079 cam_periph_unlock(periph); 1080 return (ENXIO); 1081 } 1082 1083 if (length > 0) { 1084 xpt_setup_ccb(&csio.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 1085 csio.ccb_h.ccb_state = DA_CCB_DUMP; 1086 scsi_read_write(&csio, 1087 /*retries*/1, 1088 dadone, 1089 MSG_ORDERED_Q_TAG, 1090 /*read*/FALSE, 1091 /*byte2*/0, 1092 /*minimum_cmd_size*/ softc->minimum_cmd_size, 1093 offset / secsize, 1094 length / secsize, 1095 /*data_ptr*/(u_int8_t *) virtual, 1096 /*dxfer_len*/length, 1097 /*sense_len*/SSD_FULL_SIZE, 1098 da_default_timeout * 1000); 1099 xpt_polled_action((union ccb *)&csio); 1100 cam_periph_unlock(periph); 1101 1102 if ((csio.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1103 printf("Aborting dump due to I/O error.\n"); 1104 if ((csio.ccb_h.status & CAM_STATUS_MASK) == 1105 CAM_SCSI_STATUS_ERROR) 1106 scsi_sense_print(&csio); 1107 else 1108 printf("status == 0x%x, scsi status == 0x%x\n", 1109 csio.ccb_h.status, csio.scsi_status); 1110 return(EIO); 1111 } 1112 return(0); 1113 } 1114 1115 /* 1116 * Sync the disk cache contents to the physical media. 1117 */ 1118 if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) { 1119 1120 xpt_setup_ccb(&csio.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 1121 csio.ccb_h.ccb_state = DA_CCB_DUMP; 1122 scsi_synchronize_cache(&csio, 1123 /*retries*/1, 1124 /*cbfcnp*/dadone, 1125 MSG_SIMPLE_Q_TAG, 1126 /*begin_lba*/0,/* Cover the whole disk */ 1127 /*lb_count*/0, 1128 SSD_FULL_SIZE, 1129 5 * 60 * 1000); 1130 xpt_polled_action((union ccb *)&csio); 1131 1132 if ((csio.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1133 if ((csio.ccb_h.status & CAM_STATUS_MASK) == 1134 CAM_SCSI_STATUS_ERROR) { 1135 int asc, ascq; 1136 int sense_key, error_code; 1137 1138 scsi_extract_sense(&csio.sense_data, 1139 &error_code, 1140 &sense_key, 1141 &asc, &ascq); 1142 if (sense_key != SSD_KEY_ILLEGAL_REQUEST) 1143 scsi_sense_print(&csio); 1144 } else { 1145 xpt_print(periph->path, "Synchronize cache " 1146 "failed, status == 0x%x, scsi status == " 1147 "0x%x\n", csio.ccb_h.status, 1148 csio.scsi_status); 1149 } 1150 } 1151 } 1152 cam_periph_unlock(periph); 1153 return (0); 1154 } 1155 1156 static void 1157 dainit(void) 1158 { 1159 cam_status status; 1160 1161 /* 1162 * Install a global async callback. This callback will 1163 * receive async callbacks like "new device found". 1164 */ 1165 status = xpt_register_async(AC_FOUND_DEVICE, daasync, NULL, NULL); 1166 1167 if (status != CAM_REQ_CMP) { 1168 printf("da: Failed to attach master async callback " 1169 "due to status 0x%x!\n", status); 1170 } else if (da_send_ordered) { 1171 1172 /* Register our shutdown event handler */ 1173 if ((EVENTHANDLER_REGISTER(shutdown_post_sync, dashutdown, 1174 NULL, SHUTDOWN_PRI_DEFAULT)) == NULL) 1175 printf("dainit: shutdown event registration failed!\n"); 1176 } 1177 } 1178 1179 static void 1180 daoninvalidate(struct cam_periph *periph) 1181 { 1182 struct da_softc *softc; 1183 1184 softc = (struct da_softc *)periph->softc; 1185 1186 /* 1187 * De-register any async callbacks. 1188 */ 1189 xpt_register_async(0, daasync, periph, periph->path); 1190 1191 softc->flags |= DA_FLAG_PACK_INVALID; 1192 1193 /* 1194 * Return all queued I/O with ENXIO. 1195 * XXX Handle any transactions queued to the card 1196 * with XPT_ABORT_CCB. 1197 */ 1198 bioq_flush(&softc->bio_queue, NULL, ENXIO); 1199 1200 disk_gone(softc->disk); 1201 xpt_print(periph->path, "lost device - %d outstanding, %d refs\n", 1202 softc->outstanding_cmds, periph->refcount); 1203 } 1204 1205 static void 1206 dacleanup(struct cam_periph *periph) 1207 { 1208 struct da_softc *softc; 1209 1210 softc = (struct da_softc *)periph->softc; 1211 1212 xpt_print(periph->path, "removing device entry\n"); 1213 cam_periph_unlock(periph); 1214 1215 /* 1216 * If we can't free the sysctl tree, oh well... 1217 */ 1218 if ((softc->flags & DA_FLAG_SCTX_INIT) != 0 1219 && sysctl_ctx_free(&softc->sysctl_ctx) != 0) { 1220 xpt_print(periph->path, "can't remove sysctl context\n"); 1221 } 1222 1223 disk_destroy(softc->disk); 1224 callout_drain(&softc->sendordered_c); 1225 free(softc, M_DEVBUF); 1226 cam_periph_lock(periph); 1227 } 1228 1229 static void 1230 daasync(void *callback_arg, u_int32_t code, 1231 struct cam_path *path, void *arg) 1232 { 1233 struct cam_periph *periph; 1234 1235 periph = (struct cam_periph *)callback_arg; 1236 switch (code) { 1237 case AC_FOUND_DEVICE: 1238 { 1239 struct ccb_getdev *cgd; 1240 cam_status status; 1241 1242 cgd = (struct ccb_getdev *)arg; 1243 if (cgd == NULL) 1244 break; 1245 1246 if (cgd->protocol != PROTO_SCSI) 1247 break; 1248 1249 if (SID_TYPE(&cgd->inq_data) != T_DIRECT 1250 && SID_TYPE(&cgd->inq_data) != T_RBC 1251 && SID_TYPE(&cgd->inq_data) != T_OPTICAL) 1252 break; 1253 1254 /* 1255 * Allocate a peripheral instance for 1256 * this device and start the probe 1257 * process. 1258 */ 1259 status = cam_periph_alloc(daregister, daoninvalidate, 1260 dacleanup, dastart, 1261 "da", CAM_PERIPH_BIO, 1262 cgd->ccb_h.path, daasync, 1263 AC_FOUND_DEVICE, cgd); 1264 1265 if (status != CAM_REQ_CMP 1266 && status != CAM_REQ_INPROG) 1267 printf("daasync: Unable to attach to new device " 1268 "due to status 0x%x\n", status); 1269 break; 1270 } 1271 case AC_SENT_BDR: 1272 case AC_BUS_RESET: 1273 { 1274 struct da_softc *softc; 1275 struct ccb_hdr *ccbh; 1276 1277 softc = (struct da_softc *)periph->softc; 1278 /* 1279 * Don't fail on the expected unit attention 1280 * that will occur. 1281 */ 1282 softc->flags |= DA_FLAG_RETRY_UA; 1283 LIST_FOREACH(ccbh, &softc->pending_ccbs, periph_links.le) 1284 ccbh->ccb_state |= DA_CCB_RETRY_UA; 1285 /* FALLTHROUGH*/ 1286 } 1287 default: 1288 cam_periph_async(periph, code, path, arg); 1289 break; 1290 } 1291 } 1292 1293 static void 1294 dasysctlinit(void *context, int pending) 1295 { 1296 struct cam_periph *periph; 1297 struct da_softc *softc; 1298 char tmpstr[80], tmpstr2[80]; 1299 1300 periph = (struct cam_periph *)context; 1301 /* 1302 * periph was held for us when this task was enqueued 1303 */ 1304 if (periph->flags & CAM_PERIPH_INVALID) { 1305 cam_periph_release(periph); 1306 return; 1307 } 1308 1309 softc = (struct da_softc *)periph->softc; 1310 snprintf(tmpstr, sizeof(tmpstr), "CAM DA unit %d", periph->unit_number); 1311 snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number); 1312 1313 sysctl_ctx_init(&softc->sysctl_ctx); 1314 softc->flags |= DA_FLAG_SCTX_INIT; 1315 softc->sysctl_tree = SYSCTL_ADD_NODE(&softc->sysctl_ctx, 1316 SYSCTL_STATIC_CHILDREN(_kern_cam_da), OID_AUTO, tmpstr2, 1317 CTLFLAG_RD, 0, tmpstr); 1318 if (softc->sysctl_tree == NULL) { 1319 printf("dasysctlinit: unable to allocate sysctl tree\n"); 1320 cam_periph_release(periph); 1321 return; 1322 } 1323 1324 /* 1325 * Now register the sysctl handler, so the user can the value on 1326 * the fly. 1327 */ 1328 SYSCTL_ADD_PROC(&softc->sysctl_ctx,SYSCTL_CHILDREN(softc->sysctl_tree), 1329 OID_AUTO, "minimum_cmd_size", CTLTYPE_INT | CTLFLAG_RW, 1330 &softc->minimum_cmd_size, 0, dacmdsizesysctl, "I", 1331 "Minimum CDB size"); 1332 1333 cam_periph_release(periph); 1334 } 1335 1336 static int 1337 dacmdsizesysctl(SYSCTL_HANDLER_ARGS) 1338 { 1339 int error, value; 1340 1341 value = *(int *)arg1; 1342 1343 error = sysctl_handle_int(oidp, &value, 0, req); 1344 1345 if ((error != 0) 1346 || (req->newptr == NULL)) 1347 return (error); 1348 1349 /* 1350 * Acceptable values here are 6, 10, 12 or 16. 1351 */ 1352 if (value < 6) 1353 value = 6; 1354 else if ((value > 6) 1355 && (value <= 10)) 1356 value = 10; 1357 else if ((value > 10) 1358 && (value <= 12)) 1359 value = 12; 1360 else if (value > 12) 1361 value = 16; 1362 1363 *(int *)arg1 = value; 1364 1365 return (0); 1366 } 1367 1368 static cam_status 1369 daregister(struct cam_periph *periph, void *arg) 1370 { 1371 struct da_softc *softc; 1372 struct ccb_pathinq cpi; 1373 struct ccb_getdev *cgd; 1374 char tmpstr[80]; 1375 caddr_t match; 1376 1377 cgd = (struct ccb_getdev *)arg; 1378 if (periph == NULL) { 1379 printf("daregister: periph was NULL!!\n"); 1380 return(CAM_REQ_CMP_ERR); 1381 } 1382 1383 if (cgd == NULL) { 1384 printf("daregister: no getdev CCB, can't register device\n"); 1385 return(CAM_REQ_CMP_ERR); 1386 } 1387 1388 softc = (struct da_softc *)malloc(sizeof(*softc), M_DEVBUF, 1389 M_NOWAIT|M_ZERO); 1390 1391 if (softc == NULL) { 1392 printf("daregister: Unable to probe new device. " 1393 "Unable to allocate softc\n"); 1394 return(CAM_REQ_CMP_ERR); 1395 } 1396 1397 LIST_INIT(&softc->pending_ccbs); 1398 softc->state = DA_STATE_PROBE; 1399 bioq_init(&softc->bio_queue); 1400 if (SID_IS_REMOVABLE(&cgd->inq_data)) 1401 softc->flags |= DA_FLAG_PACK_REMOVABLE; 1402 if ((cgd->inq_data.flags & SID_CmdQue) != 0) 1403 softc->flags |= DA_FLAG_TAGGED_QUEUING; 1404 1405 periph->softc = softc; 1406 1407 /* 1408 * See if this device has any quirks. 1409 */ 1410 match = cam_quirkmatch((caddr_t)&cgd->inq_data, 1411 (caddr_t)da_quirk_table, 1412 sizeof(da_quirk_table)/sizeof(*da_quirk_table), 1413 sizeof(*da_quirk_table), scsi_inquiry_match); 1414 1415 if (match != NULL) 1416 softc->quirks = ((struct da_quirk_entry *)match)->quirks; 1417 else 1418 softc->quirks = DA_Q_NONE; 1419 1420 /* Check if the SIM does not want 6 byte commands */ 1421 bzero(&cpi, sizeof(cpi)); 1422 xpt_setup_ccb(&cpi.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 1423 cpi.ccb_h.func_code = XPT_PATH_INQ; 1424 xpt_action((union ccb *)&cpi); 1425 if (cpi.ccb_h.status == CAM_REQ_CMP && (cpi.hba_misc & PIM_NO_6_BYTE)) 1426 softc->quirks |= DA_Q_NO_6_BYTE; 1427 1428 TASK_INIT(&softc->sysctl_task, 0, dasysctlinit, periph); 1429 1430 /* 1431 * Add async callbacks for bus reset and 1432 * bus device reset calls. I don't bother 1433 * checking if this fails as, in most cases, 1434 * the system will function just fine without 1435 * them and the only alternative would be to 1436 * not attach the device on failure. 1437 */ 1438 xpt_register_async(AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE, 1439 daasync, periph, periph->path); 1440 1441 /* 1442 * Take an exclusive refcount on the periph while dastart is called 1443 * to finish the probe. The reference will be dropped in dadone at 1444 * the end of probe. 1445 */ 1446 (void)cam_periph_hold(periph, PRIBIO); 1447 1448 /* 1449 * Schedule a periodic event to occasionally send an 1450 * ordered tag to a device. 1451 */ 1452 callout_init_mtx(&softc->sendordered_c, periph->sim->mtx, 0); 1453 callout_reset(&softc->sendordered_c, 1454 (da_default_timeout * hz) / DA_ORDEREDTAG_INTERVAL, 1455 dasendorderedtag, softc); 1456 1457 mtx_unlock(periph->sim->mtx); 1458 /* 1459 * RBC devices don't have to support READ(6), only READ(10). 1460 */ 1461 if (softc->quirks & DA_Q_NO_6_BYTE || SID_TYPE(&cgd->inq_data) == T_RBC) 1462 softc->minimum_cmd_size = 10; 1463 else 1464 softc->minimum_cmd_size = 6; 1465 1466 /* 1467 * Load the user's default, if any. 1468 */ 1469 snprintf(tmpstr, sizeof(tmpstr), "kern.cam.da.%d.minimum_cmd_size", 1470 periph->unit_number); 1471 TUNABLE_INT_FETCH(tmpstr, &softc->minimum_cmd_size); 1472 1473 /* 1474 * 6, 10, 12 and 16 are the currently permissible values. 1475 */ 1476 if (softc->minimum_cmd_size < 6) 1477 softc->minimum_cmd_size = 6; 1478 else if ((softc->minimum_cmd_size > 6) 1479 && (softc->minimum_cmd_size <= 10)) 1480 softc->minimum_cmd_size = 10; 1481 else if ((softc->minimum_cmd_size > 10) 1482 && (softc->minimum_cmd_size <= 12)) 1483 softc->minimum_cmd_size = 12; 1484 else if (softc->minimum_cmd_size > 12) 1485 softc->minimum_cmd_size = 16; 1486 1487 /* 1488 * Register this media as a disk. 1489 */ 1490 softc->disk = disk_alloc(); 1491 softc->disk->d_devstat = devstat_new_entry(periph->periph_name, 1492 periph->unit_number, 0, 1493 DEVSTAT_BS_UNAVAILABLE, 1494 SID_TYPE(&cgd->inq_data) | 1495 XPORT_DEVSTAT_TYPE(cpi.transport), 1496 DEVSTAT_PRIORITY_DISK); 1497 softc->disk->d_open = daopen; 1498 softc->disk->d_close = daclose; 1499 softc->disk->d_strategy = dastrategy; 1500 softc->disk->d_dump = dadump; 1501 softc->disk->d_name = "da"; 1502 softc->disk->d_drv1 = periph; 1503 if (cpi.maxio == 0) 1504 softc->disk->d_maxsize = DFLTPHYS; /* traditional default */ 1505 else if (cpi.maxio > MAXPHYS) 1506 softc->disk->d_maxsize = MAXPHYS; /* for safety */ 1507 else 1508 softc->disk->d_maxsize = cpi.maxio; 1509 softc->disk->d_unit = periph->unit_number; 1510 softc->disk->d_flags = 0; 1511 if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) 1512 softc->disk->d_flags |= DISKFLAG_CANFLUSHCACHE; 1513 strlcpy(softc->disk->d_ident, cgd->serial_num, 1514 MIN(sizeof(softc->disk->d_ident), cgd->serial_num_len + 1)); 1515 disk_create(softc->disk, DISK_VERSION); 1516 mtx_lock(periph->sim->mtx); 1517 1518 xpt_schedule(periph, CAM_PRIORITY_DEV); 1519 1520 return(CAM_REQ_CMP); 1521 } 1522 1523 static void 1524 dastart(struct cam_periph *periph, union ccb *start_ccb) 1525 { 1526 struct da_softc *softc; 1527 1528 softc = (struct da_softc *)periph->softc; 1529 1530 switch (softc->state) { 1531 case DA_STATE_NORMAL: 1532 { 1533 /* Pull a buffer from the queue and get going on it */ 1534 struct bio *bp; 1535 1536 /* 1537 * See if there is a buf with work for us to do.. 1538 */ 1539 bp = bioq_first(&softc->bio_queue); 1540 if (periph->immediate_priority <= periph->pinfo.priority) { 1541 CAM_DEBUG_PRINT(CAM_DEBUG_SUBTRACE, 1542 ("queuing for immediate ccb\n")); 1543 start_ccb->ccb_h.ccb_state = DA_CCB_WAITING; 1544 SLIST_INSERT_HEAD(&periph->ccb_list, &start_ccb->ccb_h, 1545 periph_links.sle); 1546 periph->immediate_priority = CAM_PRIORITY_NONE; 1547 wakeup(&periph->ccb_list); 1548 } else if (bp == NULL) { 1549 xpt_release_ccb(start_ccb); 1550 } else { 1551 u_int8_t tag_code; 1552 1553 bioq_remove(&softc->bio_queue, bp); 1554 1555 if ((bp->bio_flags & BIO_ORDERED) != 0 1556 || (softc->flags & DA_FLAG_NEED_OTAG) != 0) { 1557 softc->flags &= ~DA_FLAG_NEED_OTAG; 1558 softc->ordered_tag_count++; 1559 tag_code = MSG_ORDERED_Q_TAG; 1560 } else { 1561 tag_code = MSG_SIMPLE_Q_TAG; 1562 } 1563 switch (bp->bio_cmd) { 1564 case BIO_READ: 1565 case BIO_WRITE: 1566 scsi_read_write(&start_ccb->csio, 1567 /*retries*/da_retry_count, 1568 /*cbfcnp*/dadone, 1569 /*tag_action*/tag_code, 1570 /*read_op*/bp->bio_cmd 1571 == BIO_READ, 1572 /*byte2*/0, 1573 softc->minimum_cmd_size, 1574 /*lba*/bp->bio_pblkno, 1575 /*block_count*/bp->bio_bcount / 1576 softc->params.secsize, 1577 /*data_ptr*/ bp->bio_data, 1578 /*dxfer_len*/ bp->bio_bcount, 1579 /*sense_len*/SSD_FULL_SIZE, 1580 da_default_timeout * 1000); 1581 break; 1582 case BIO_FLUSH: 1583 /* 1584 * BIO_FLUSH doesn't currently communicate 1585 * range data, so we synchronize the cache 1586 * over the whole disk. We also force 1587 * ordered tag semantics the flush applies 1588 * to all previously queued I/O. 1589 */ 1590 scsi_synchronize_cache(&start_ccb->csio, 1591 /*retries*/1, 1592 /*cbfcnp*/dadone, 1593 MSG_ORDERED_Q_TAG, 1594 /*begin_lba*/0, 1595 /*lb_count*/0, 1596 SSD_FULL_SIZE, 1597 da_default_timeout*1000); 1598 break; 1599 } 1600 start_ccb->ccb_h.ccb_state = DA_CCB_BUFFER_IO; 1601 1602 /* 1603 * Block out any asyncronous callbacks 1604 * while we touch the pending ccb list. 1605 */ 1606 LIST_INSERT_HEAD(&softc->pending_ccbs, 1607 &start_ccb->ccb_h, periph_links.le); 1608 softc->outstanding_cmds++; 1609 1610 /* We expect a unit attention from this device */ 1611 if ((softc->flags & DA_FLAG_RETRY_UA) != 0) { 1612 start_ccb->ccb_h.ccb_state |= DA_CCB_RETRY_UA; 1613 softc->flags &= ~DA_FLAG_RETRY_UA; 1614 } 1615 1616 start_ccb->ccb_h.ccb_bp = bp; 1617 bp = bioq_first(&softc->bio_queue); 1618 1619 xpt_action(start_ccb); 1620 } 1621 1622 if (bp != NULL) { 1623 /* Have more work to do, so ensure we stay scheduled */ 1624 xpt_schedule(periph, CAM_PRIORITY_NORMAL); 1625 } 1626 break; 1627 } 1628 case DA_STATE_PROBE: 1629 { 1630 struct ccb_scsiio *csio; 1631 struct scsi_read_capacity_data *rcap; 1632 1633 rcap = (struct scsi_read_capacity_data *) 1634 malloc(sizeof(*rcap), M_SCSIDA, M_NOWAIT|M_ZERO); 1635 if (rcap == NULL) { 1636 printf("dastart: Couldn't malloc read_capacity data\n"); 1637 /* da_free_periph??? */ 1638 break; 1639 } 1640 csio = &start_ccb->csio; 1641 scsi_read_capacity(csio, 1642 /*retries*/4, 1643 dadone, 1644 MSG_SIMPLE_Q_TAG, 1645 rcap, 1646 SSD_FULL_SIZE, 1647 /*timeout*/5000); 1648 start_ccb->ccb_h.ccb_bp = NULL; 1649 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE; 1650 xpt_action(start_ccb); 1651 break; 1652 } 1653 case DA_STATE_PROBE2: 1654 { 1655 struct ccb_scsiio *csio; 1656 struct scsi_read_capacity_data_long *rcaplong; 1657 1658 rcaplong = (struct scsi_read_capacity_data_long *) 1659 malloc(sizeof(*rcaplong), M_SCSIDA, M_NOWAIT|M_ZERO); 1660 if (rcaplong == NULL) { 1661 printf("dastart: Couldn't malloc read_capacity data\n"); 1662 /* da_free_periph??? */ 1663 break; 1664 } 1665 csio = &start_ccb->csio; 1666 scsi_read_capacity_16(csio, 1667 /*retries*/ 4, 1668 /*cbfcnp*/ dadone, 1669 /*tag_action*/ MSG_SIMPLE_Q_TAG, 1670 /*lba*/ 0, 1671 /*reladr*/ 0, 1672 /*pmi*/ 0, 1673 rcaplong, 1674 /*sense_len*/ SSD_FULL_SIZE, 1675 /*timeout*/ 60000); 1676 start_ccb->ccb_h.ccb_bp = NULL; 1677 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE2; 1678 xpt_action(start_ccb); 1679 break; 1680 } 1681 } 1682 } 1683 1684 static int 1685 cmd6workaround(union ccb *ccb) 1686 { 1687 struct scsi_rw_6 cmd6; 1688 struct scsi_rw_10 *cmd10; 1689 struct da_softc *softc; 1690 u_int8_t *cdb; 1691 int frozen; 1692 1693 cdb = ccb->csio.cdb_io.cdb_bytes; 1694 1695 /* Translation only possible if CDB is an array and cmd is R/W6 */ 1696 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0 || 1697 (*cdb != READ_6 && *cdb != WRITE_6)) 1698 return 0; 1699 1700 xpt_print(ccb->ccb_h.path, "READ(6)/WRITE(6) not supported, " 1701 "increasing minimum_cmd_size to 10.\n"); 1702 softc = (struct da_softc *)xpt_path_periph(ccb->ccb_h.path)->softc; 1703 softc->minimum_cmd_size = 10; 1704 1705 bcopy(cdb, &cmd6, sizeof(struct scsi_rw_6)); 1706 cmd10 = (struct scsi_rw_10 *)cdb; 1707 cmd10->opcode = (cmd6.opcode == READ_6) ? READ_10 : WRITE_10; 1708 cmd10->byte2 = 0; 1709 scsi_ulto4b(scsi_3btoul(cmd6.addr), cmd10->addr); 1710 cmd10->reserved = 0; 1711 scsi_ulto2b(cmd6.length, cmd10->length); 1712 cmd10->control = cmd6.control; 1713 ccb->csio.cdb_len = sizeof(*cmd10); 1714 1715 /* Requeue request, unfreezing queue if necessary */ 1716 frozen = (ccb->ccb_h.status & CAM_DEV_QFRZN) != 0; 1717 ccb->ccb_h.status = CAM_REQUEUE_REQ; 1718 xpt_action(ccb); 1719 if (frozen) { 1720 cam_release_devq(ccb->ccb_h.path, 1721 /*relsim_flags*/0, 1722 /*reduction*/0, 1723 /*timeout*/0, 1724 /*getcount_only*/0); 1725 } 1726 return (ERESTART); 1727 } 1728 1729 static void 1730 dadone(struct cam_periph *periph, union ccb *done_ccb) 1731 { 1732 struct da_softc *softc; 1733 struct ccb_scsiio *csio; 1734 u_int32_t priority; 1735 1736 softc = (struct da_softc *)periph->softc; 1737 priority = done_ccb->ccb_h.pinfo.priority; 1738 csio = &done_ccb->csio; 1739 switch (csio->ccb_h.ccb_state & DA_CCB_TYPE_MASK) { 1740 case DA_CCB_BUFFER_IO: 1741 { 1742 struct bio *bp; 1743 1744 bp = (struct bio *)done_ccb->ccb_h.ccb_bp; 1745 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1746 int error; 1747 int sf; 1748 1749 if ((csio->ccb_h.ccb_state & DA_CCB_RETRY_UA) != 0) 1750 sf = SF_RETRY_UA; 1751 else 1752 sf = 0; 1753 1754 error = daerror(done_ccb, CAM_RETRY_SELTO, sf); 1755 if (error == ERESTART) { 1756 /* 1757 * A retry was scheuled, so 1758 * just return. 1759 */ 1760 return; 1761 } 1762 if (error != 0) { 1763 1764 if (error == ENXIO) { 1765 /* 1766 * Catastrophic error. Mark our pack as 1767 * invalid. 1768 */ 1769 /* 1770 * XXX See if this is really a media 1771 * XXX change first? 1772 */ 1773 xpt_print(periph->path, 1774 "Invalidating pack\n"); 1775 softc->flags |= DA_FLAG_PACK_INVALID; 1776 } 1777 1778 /* 1779 * return all queued I/O with EIO, so that 1780 * the client can retry these I/Os in the 1781 * proper order should it attempt to recover. 1782 */ 1783 bioq_flush(&softc->bio_queue, NULL, EIO); 1784 bp->bio_error = error; 1785 bp->bio_resid = bp->bio_bcount; 1786 bp->bio_flags |= BIO_ERROR; 1787 } else { 1788 bp->bio_resid = csio->resid; 1789 bp->bio_error = 0; 1790 if (bp->bio_resid != 0) 1791 bp->bio_flags |= BIO_ERROR; 1792 } 1793 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 1794 cam_release_devq(done_ccb->ccb_h.path, 1795 /*relsim_flags*/0, 1796 /*reduction*/0, 1797 /*timeout*/0, 1798 /*getcount_only*/0); 1799 } else { 1800 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 1801 panic("REQ_CMP with QFRZN"); 1802 bp->bio_resid = csio->resid; 1803 if (csio->resid > 0) 1804 bp->bio_flags |= BIO_ERROR; 1805 if (softc->error_inject != 0) { 1806 bp->bio_error = softc->error_inject; 1807 bp->bio_resid = bp->bio_bcount; 1808 bp->bio_flags |= BIO_ERROR; 1809 softc->error_inject = 0; 1810 } 1811 1812 } 1813 1814 /* 1815 * Block out any asyncronous callbacks 1816 * while we touch the pending ccb list. 1817 */ 1818 LIST_REMOVE(&done_ccb->ccb_h, periph_links.le); 1819 softc->outstanding_cmds--; 1820 if (softc->outstanding_cmds == 0) 1821 softc->flags |= DA_FLAG_WENT_IDLE; 1822 1823 biodone(bp); 1824 break; 1825 } 1826 case DA_CCB_PROBE: 1827 case DA_CCB_PROBE2: 1828 { 1829 struct scsi_read_capacity_data *rdcap; 1830 struct scsi_read_capacity_data_long *rcaplong; 1831 char announce_buf[80]; 1832 1833 rdcap = NULL; 1834 rcaplong = NULL; 1835 if (softc->state == DA_STATE_PROBE) 1836 rdcap =(struct scsi_read_capacity_data *)csio->data_ptr; 1837 else 1838 rcaplong = (struct scsi_read_capacity_data_long *) 1839 csio->data_ptr; 1840 1841 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 1842 struct disk_params *dp; 1843 uint32_t block_size; 1844 uint64_t maxsector; 1845 1846 if (softc->state == DA_STATE_PROBE) { 1847 block_size = scsi_4btoul(rdcap->length); 1848 maxsector = scsi_4btoul(rdcap->addr); 1849 1850 /* 1851 * According to SBC-2, if the standard 10 1852 * byte READ CAPACITY command returns 2^32, 1853 * we should issue the 16 byte version of 1854 * the command, since the device in question 1855 * has more sectors than can be represented 1856 * with the short version of the command. 1857 */ 1858 if (maxsector == 0xffffffff) { 1859 softc->state = DA_STATE_PROBE2; 1860 free(rdcap, M_SCSIDA); 1861 xpt_release_ccb(done_ccb); 1862 xpt_schedule(periph, priority); 1863 return; 1864 } 1865 } else { 1866 block_size = scsi_4btoul(rcaplong->length); 1867 maxsector = scsi_8btou64(rcaplong->addr); 1868 } 1869 1870 /* 1871 * Because GEOM code just will panic us if we 1872 * give them an 'illegal' value we'll avoid that 1873 * here. 1874 */ 1875 if (block_size == 0 && maxsector == 0) { 1876 snprintf(announce_buf, sizeof(announce_buf), 1877 "0MB (no media?)"); 1878 } else if (block_size >= MAXPHYS || block_size == 0) { 1879 xpt_print(periph->path, 1880 "unsupportable block size %ju\n", 1881 (uintmax_t) block_size); 1882 announce_buf[0] = '\0'; 1883 cam_periph_invalidate(periph); 1884 } else { 1885 dasetgeom(periph, block_size, maxsector, 0, 0); 1886 dp = &softc->params; 1887 snprintf(announce_buf, sizeof(announce_buf), 1888 "%juMB (%ju %u byte sectors: %dH %dS/T " 1889 "%dC)", (uintmax_t) 1890 (((uintmax_t)dp->secsize * 1891 dp->sectors) / (1024*1024)), 1892 (uintmax_t)dp->sectors, 1893 dp->secsize, dp->heads, 1894 dp->secs_per_track, dp->cylinders); 1895 } 1896 } else { 1897 int error; 1898 1899 announce_buf[0] = '\0'; 1900 1901 /* 1902 * Retry any UNIT ATTENTION type errors. They 1903 * are expected at boot. 1904 */ 1905 error = daerror(done_ccb, CAM_RETRY_SELTO, 1906 SF_RETRY_UA|SF_NO_PRINT); 1907 if (error == ERESTART) { 1908 /* 1909 * A retry was scheuled, so 1910 * just return. 1911 */ 1912 return; 1913 } else if (error != 0) { 1914 struct scsi_sense_data *sense; 1915 int asc, ascq; 1916 int sense_key, error_code; 1917 int have_sense; 1918 cam_status status; 1919 struct ccb_getdev cgd; 1920 1921 /* Don't wedge this device's queue */ 1922 status = done_ccb->ccb_h.status; 1923 if ((status & CAM_DEV_QFRZN) != 0) 1924 cam_release_devq(done_ccb->ccb_h.path, 1925 /*relsim_flags*/0, 1926 /*reduction*/0, 1927 /*timeout*/0, 1928 /*getcount_only*/0); 1929 1930 1931 xpt_setup_ccb(&cgd.ccb_h, 1932 done_ccb->ccb_h.path, 1933 CAM_PRIORITY_NORMAL); 1934 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 1935 xpt_action((union ccb *)&cgd); 1936 1937 if (((csio->ccb_h.flags & CAM_SENSE_PHYS) != 0) 1938 || ((csio->ccb_h.flags & CAM_SENSE_PTR) != 0) 1939 || ((status & CAM_AUTOSNS_VALID) == 0)) 1940 have_sense = FALSE; 1941 else 1942 have_sense = TRUE; 1943 1944 if (have_sense) { 1945 sense = &csio->sense_data; 1946 scsi_extract_sense(sense, &error_code, 1947 &sense_key, 1948 &asc, &ascq); 1949 } 1950 /* 1951 * Attach to anything that claims to be a 1952 * direct access or optical disk device, 1953 * as long as it doesn't return a "Logical 1954 * unit not supported" (0x25) error. 1955 */ 1956 if ((have_sense) && (asc != 0x25) 1957 && (error_code == SSD_CURRENT_ERROR)) { 1958 const char *sense_key_desc; 1959 const char *asc_desc; 1960 1961 scsi_sense_desc(sense_key, asc, ascq, 1962 &cgd.inq_data, 1963 &sense_key_desc, 1964 &asc_desc); 1965 snprintf(announce_buf, 1966 sizeof(announce_buf), 1967 "Attempt to query device " 1968 "size failed: %s, %s", 1969 sense_key_desc, 1970 asc_desc); 1971 } else { 1972 if (have_sense) 1973 scsi_sense_print( 1974 &done_ccb->csio); 1975 else { 1976 xpt_print(periph->path, 1977 "got CAM status %#x\n", 1978 done_ccb->ccb_h.status); 1979 } 1980 1981 xpt_print(periph->path, "fatal error, " 1982 "failed to attach to device\n"); 1983 1984 /* 1985 * Free up resources. 1986 */ 1987 cam_periph_invalidate(periph); 1988 } 1989 } 1990 } 1991 free(csio->data_ptr, M_SCSIDA); 1992 if (announce_buf[0] != '\0') { 1993 /* 1994 * Create our sysctl variables, now that we know 1995 * we have successfully attached. 1996 */ 1997 /* increase the refcount */ 1998 if (cam_periph_acquire(periph) == CAM_REQ_CMP) { 1999 taskqueue_enqueue(taskqueue_thread, 2000 &softc->sysctl_task); 2001 xpt_announce_periph(periph, announce_buf); 2002 } else { 2003 xpt_print(periph->path, "fatal error, " 2004 "could not acquire reference count\n"); 2005 } 2006 2007 } 2008 softc->state = DA_STATE_NORMAL; 2009 /* 2010 * Since our peripheral may be invalidated by an error 2011 * above or an external event, we must release our CCB 2012 * before releasing the probe lock on the peripheral. 2013 * The peripheral will only go away once the last lock 2014 * is removed, and we need it around for the CCB release 2015 * operation. 2016 */ 2017 xpt_release_ccb(done_ccb); 2018 cam_periph_unhold(periph); 2019 return; 2020 } 2021 case DA_CCB_WAITING: 2022 { 2023 /* Caller will release the CCB */ 2024 wakeup(&done_ccb->ccb_h.cbfcnp); 2025 return; 2026 } 2027 case DA_CCB_DUMP: 2028 /* No-op. We're polling */ 2029 return; 2030 default: 2031 break; 2032 } 2033 xpt_release_ccb(done_ccb); 2034 } 2035 2036 static int 2037 daerror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags) 2038 { 2039 struct da_softc *softc; 2040 struct cam_periph *periph; 2041 int error; 2042 2043 periph = xpt_path_periph(ccb->ccb_h.path); 2044 softc = (struct da_softc *)periph->softc; 2045 2046 /* 2047 * Automatically detect devices that do not support 2048 * READ(6)/WRITE(6) and upgrade to using 10 byte cdbs. 2049 */ 2050 error = 0; 2051 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INVALID) { 2052 error = cmd6workaround(ccb); 2053 } else if (((ccb->ccb_h.status & CAM_STATUS_MASK) == 2054 CAM_SCSI_STATUS_ERROR) 2055 && (ccb->ccb_h.status & CAM_AUTOSNS_VALID) 2056 && (ccb->csio.scsi_status == SCSI_STATUS_CHECK_COND) 2057 && ((ccb->ccb_h.flags & CAM_SENSE_PHYS) == 0) 2058 && ((ccb->ccb_h.flags & CAM_SENSE_PTR) == 0)) { 2059 int sense_key, error_code, asc, ascq; 2060 2061 scsi_extract_sense(&ccb->csio.sense_data, 2062 &error_code, &sense_key, &asc, &ascq); 2063 if (sense_key == SSD_KEY_ILLEGAL_REQUEST) 2064 error = cmd6workaround(ccb); 2065 } 2066 if (error == ERESTART) 2067 return (ERESTART); 2068 2069 /* 2070 * XXX 2071 * Until we have a better way of doing pack validation, 2072 * don't treat UAs as errors. 2073 */ 2074 sense_flags |= SF_RETRY_UA; 2075 return(cam_periph_error(ccb, cam_flags, sense_flags, 2076 &softc->saved_ccb)); 2077 } 2078 2079 static void 2080 daprevent(struct cam_periph *periph, int action) 2081 { 2082 struct da_softc *softc; 2083 union ccb *ccb; 2084 int error; 2085 2086 softc = (struct da_softc *)periph->softc; 2087 2088 if (((action == PR_ALLOW) 2089 && (softc->flags & DA_FLAG_PACK_LOCKED) == 0) 2090 || ((action == PR_PREVENT) 2091 && (softc->flags & DA_FLAG_PACK_LOCKED) != 0)) { 2092 return; 2093 } 2094 2095 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 2096 2097 scsi_prevent(&ccb->csio, 2098 /*retries*/1, 2099 /*cbcfp*/dadone, 2100 MSG_SIMPLE_Q_TAG, 2101 action, 2102 SSD_FULL_SIZE, 2103 5000); 2104 2105 error = cam_periph_runccb(ccb, /*error_routine*/NULL, CAM_RETRY_SELTO, 2106 SF_RETRY_UA, softc->disk->d_devstat); 2107 2108 if (error == 0) { 2109 if (action == PR_ALLOW) 2110 softc->flags &= ~DA_FLAG_PACK_LOCKED; 2111 else 2112 softc->flags |= DA_FLAG_PACK_LOCKED; 2113 } 2114 2115 xpt_release_ccb(ccb); 2116 } 2117 2118 static int 2119 dagetcapacity(struct cam_periph *periph) 2120 { 2121 struct da_softc *softc; 2122 union ccb *ccb; 2123 struct scsi_read_capacity_data *rcap; 2124 struct scsi_read_capacity_data_long *rcaplong; 2125 uint32_t block_len; 2126 uint64_t maxsector; 2127 int error; 2128 u_int32_t sense_flags; 2129 2130 softc = (struct da_softc *)periph->softc; 2131 block_len = 0; 2132 maxsector = 0; 2133 error = 0; 2134 sense_flags = SF_RETRY_UA; 2135 if (softc->flags & DA_FLAG_PACK_REMOVABLE) 2136 sense_flags |= SF_NO_PRINT; 2137 2138 /* Do a read capacity */ 2139 rcap = (struct scsi_read_capacity_data *)malloc(sizeof(*rcaplong), 2140 M_SCSIDA, 2141 M_NOWAIT); 2142 if (rcap == NULL) 2143 return (ENOMEM); 2144 2145 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 2146 scsi_read_capacity(&ccb->csio, 2147 /*retries*/4, 2148 /*cbfncp*/dadone, 2149 MSG_SIMPLE_Q_TAG, 2150 rcap, 2151 SSD_FULL_SIZE, 2152 /*timeout*/60000); 2153 ccb->ccb_h.ccb_bp = NULL; 2154 2155 error = cam_periph_runccb(ccb, daerror, 2156 /*cam_flags*/CAM_RETRY_SELTO, 2157 sense_flags, 2158 softc->disk->d_devstat); 2159 2160 if ((ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 2161 cam_release_devq(ccb->ccb_h.path, 2162 /*relsim_flags*/0, 2163 /*reduction*/0, 2164 /*timeout*/0, 2165 /*getcount_only*/0); 2166 2167 if (error == 0) { 2168 block_len = scsi_4btoul(rcap->length); 2169 maxsector = scsi_4btoul(rcap->addr); 2170 2171 if (maxsector != 0xffffffff) 2172 goto done; 2173 } else 2174 goto done; 2175 2176 rcaplong = (struct scsi_read_capacity_data_long *)rcap; 2177 2178 scsi_read_capacity_16(&ccb->csio, 2179 /*retries*/ 4, 2180 /*cbfcnp*/ dadone, 2181 /*tag_action*/ MSG_SIMPLE_Q_TAG, 2182 /*lba*/ 0, 2183 /*reladr*/ 0, 2184 /*pmi*/ 0, 2185 rcaplong, 2186 /*sense_len*/ SSD_FULL_SIZE, 2187 /*timeout*/ 60000); 2188 ccb->ccb_h.ccb_bp = NULL; 2189 2190 error = cam_periph_runccb(ccb, daerror, 2191 /*cam_flags*/CAM_RETRY_SELTO, 2192 sense_flags, 2193 softc->disk->d_devstat); 2194 2195 if ((ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 2196 cam_release_devq(ccb->ccb_h.path, 2197 /*relsim_flags*/0, 2198 /*reduction*/0, 2199 /*timeout*/0, 2200 /*getcount_only*/0); 2201 2202 if (error == 0) { 2203 block_len = scsi_4btoul(rcaplong->length); 2204 maxsector = scsi_8btou64(rcaplong->addr); 2205 } 2206 2207 done: 2208 2209 if (error == 0) { 2210 if (block_len >= MAXPHYS || block_len == 0) { 2211 xpt_print(periph->path, 2212 "unsupportable block size %ju\n", 2213 (uintmax_t) block_len); 2214 error = EINVAL; 2215 } else 2216 dasetgeom(periph, block_len, maxsector, 0, 0); 2217 } 2218 2219 xpt_release_ccb(ccb); 2220 2221 free(rcap, M_SCSIDA); 2222 2223 return (error); 2224 } 2225 2226 static void 2227 dasetgeom(struct cam_periph *periph, uint32_t block_len, uint64_t maxsector, 2228 u_int lbppbe, u_int lalba) 2229 { 2230 struct ccb_calc_geometry ccg; 2231 struct da_softc *softc; 2232 struct disk_params *dp; 2233 2234 softc = (struct da_softc *)periph->softc; 2235 2236 dp = &softc->params; 2237 dp->secsize = block_len; 2238 dp->sectors = maxsector + 1; 2239 if (lbppbe > 0) { 2240 dp->stripesize = block_len << lbppbe; 2241 dp->stripeoffset = (dp->stripesize - block_len * lalba) % 2242 dp->stripesize; 2243 } else if (softc->quirks & DA_Q_4K) { 2244 dp->stripesize = 4096; 2245 dp->stripeoffset = 0; 2246 } else { 2247 dp->stripesize = 0; 2248 dp->stripeoffset = 0; 2249 } 2250 /* 2251 * Have the controller provide us with a geometry 2252 * for this disk. The only time the geometry 2253 * matters is when we boot and the controller 2254 * is the only one knowledgeable enough to come 2255 * up with something that will make this a bootable 2256 * device. 2257 */ 2258 xpt_setup_ccb(&ccg.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 2259 ccg.ccb_h.func_code = XPT_CALC_GEOMETRY; 2260 ccg.block_size = dp->secsize; 2261 ccg.volume_size = dp->sectors; 2262 ccg.heads = 0; 2263 ccg.secs_per_track = 0; 2264 ccg.cylinders = 0; 2265 xpt_action((union ccb*)&ccg); 2266 if ((ccg.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 2267 /* 2268 * We don't know what went wrong here- but just pick 2269 * a geometry so we don't have nasty things like divide 2270 * by zero. 2271 */ 2272 dp->heads = 255; 2273 dp->secs_per_track = 255; 2274 dp->cylinders = dp->sectors / (255 * 255); 2275 if (dp->cylinders == 0) { 2276 dp->cylinders = 1; 2277 } 2278 } else { 2279 dp->heads = ccg.heads; 2280 dp->secs_per_track = ccg.secs_per_track; 2281 dp->cylinders = ccg.cylinders; 2282 } 2283 } 2284 2285 static void 2286 dasendorderedtag(void *arg) 2287 { 2288 struct da_softc *softc = arg; 2289 2290 if (da_send_ordered) { 2291 if ((softc->ordered_tag_count == 0) 2292 && ((softc->flags & DA_FLAG_WENT_IDLE) == 0)) { 2293 softc->flags |= DA_FLAG_NEED_OTAG; 2294 } 2295 if (softc->outstanding_cmds > 0) 2296 softc->flags &= ~DA_FLAG_WENT_IDLE; 2297 2298 softc->ordered_tag_count = 0; 2299 } 2300 /* Queue us up again */ 2301 callout_reset(&softc->sendordered_c, 2302 (da_default_timeout * hz) / DA_ORDEREDTAG_INTERVAL, 2303 dasendorderedtag, softc); 2304 } 2305 2306 /* 2307 * Step through all DA peripheral drivers, and if the device is still open, 2308 * sync the disk cache to physical media. 2309 */ 2310 static void 2311 dashutdown(void * arg, int howto) 2312 { 2313 struct cam_periph *periph; 2314 struct da_softc *softc; 2315 2316 TAILQ_FOREACH(periph, &dadriver.units, unit_links) { 2317 union ccb ccb; 2318 2319 cam_periph_lock(periph); 2320 softc = (struct da_softc *)periph->softc; 2321 2322 /* 2323 * We only sync the cache if the drive is still open, and 2324 * if the drive is capable of it.. 2325 */ 2326 if (((softc->flags & DA_FLAG_OPEN) == 0) 2327 || (softc->quirks & DA_Q_NO_SYNC_CACHE)) { 2328 cam_periph_unlock(periph); 2329 continue; 2330 } 2331 2332 xpt_setup_ccb(&ccb.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 2333 2334 ccb.ccb_h.ccb_state = DA_CCB_DUMP; 2335 scsi_synchronize_cache(&ccb.csio, 2336 /*retries*/1, 2337 /*cbfcnp*/dadone, 2338 MSG_SIMPLE_Q_TAG, 2339 /*begin_lba*/0, /* whole disk */ 2340 /*lb_count*/0, 2341 SSD_FULL_SIZE, 2342 60 * 60 * 1000); 2343 2344 xpt_polled_action(&ccb); 2345 2346 if ((ccb.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 2347 if (((ccb.ccb_h.status & CAM_STATUS_MASK) == 2348 CAM_SCSI_STATUS_ERROR) 2349 && (ccb.csio.scsi_status == SCSI_STATUS_CHECK_COND)){ 2350 int error_code, sense_key, asc, ascq; 2351 2352 scsi_extract_sense(&ccb.csio.sense_data, 2353 &error_code, &sense_key, 2354 &asc, &ascq); 2355 2356 if (sense_key != SSD_KEY_ILLEGAL_REQUEST) 2357 scsi_sense_print(&ccb.csio); 2358 } else { 2359 xpt_print(periph->path, "Synchronize " 2360 "cache failed, status == 0x%x, scsi status " 2361 "== 0x%x\n", ccb.ccb_h.status, 2362 ccb.csio.scsi_status); 2363 } 2364 } 2365 2366 if ((ccb.ccb_h.status & CAM_DEV_QFRZN) != 0) 2367 cam_release_devq(ccb.ccb_h.path, 2368 /*relsim_flags*/0, 2369 /*reduction*/0, 2370 /*timeout*/0, 2371 /*getcount_only*/0); 2372 cam_periph_unlock(periph); 2373 } 2374 } 2375 2376 #else /* !_KERNEL */ 2377 2378 /* 2379 * XXX This is only left out of the kernel build to silence warnings. If, 2380 * for some reason this function is used in the kernel, the ifdefs should 2381 * be moved so it is included both in the kernel and userland. 2382 */ 2383 void 2384 scsi_format_unit(struct ccb_scsiio *csio, u_int32_t retries, 2385 void (*cbfcnp)(struct cam_periph *, union ccb *), 2386 u_int8_t tag_action, u_int8_t byte2, u_int16_t ileave, 2387 u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len, 2388 u_int32_t timeout) 2389 { 2390 struct scsi_format_unit *scsi_cmd; 2391 2392 scsi_cmd = (struct scsi_format_unit *)&csio->cdb_io.cdb_bytes; 2393 scsi_cmd->opcode = FORMAT_UNIT; 2394 scsi_cmd->byte2 = byte2; 2395 scsi_ulto2b(ileave, scsi_cmd->interleave); 2396 2397 cam_fill_csio(csio, 2398 retries, 2399 cbfcnp, 2400 /*flags*/ (dxfer_len > 0) ? CAM_DIR_OUT : CAM_DIR_NONE, 2401 tag_action, 2402 data_ptr, 2403 dxfer_len, 2404 sense_len, 2405 sizeof(*scsi_cmd), 2406 timeout); 2407 } 2408 2409 #endif /* _KERNEL */
Cache object: 6749e5022d2c2048d7dbbfa77a375633
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