1 /*- 2 * Implementation of SCSI Direct Access Peripheral driver for CAM. 3 * 4 * Copyright (c) 1997 Justin T. Gibbs. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions, and the following disclaimer, 12 * without modification, immediately at the beginning of the file. 13 * 2. The name of the author may not be used to endorse or promote products 14 * derived from this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 20 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 #include <sys/cdefs.h> 30 __FBSDID("$FreeBSD$"); 31 32 #include <sys/param.h> 33 34 #ifdef _KERNEL 35 #include <sys/systm.h> 36 #include <sys/kernel.h> 37 #include <sys/bio.h> 38 #include <sys/sysctl.h> 39 #include <sys/taskqueue.h> 40 #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_TAGGED_QUEUING = 0x010, 81 DA_FLAG_NEED_OTAG = 0x020, 82 DA_FLAG_WENT_IDLE = 0x040, 83 DA_FLAG_RETRY_UA = 0x080, 84 DA_FLAG_OPEN = 0x100, 85 DA_FLAG_SCTX_INIT = 0x200, 86 DA_FLAG_CAN_RC16 = 0x400, 87 DA_FLAG_CAN_LBPME = 0x800 88 } da_flags; 89 90 typedef enum { 91 DA_Q_NONE = 0x00, 92 DA_Q_NO_SYNC_CACHE = 0x01, 93 DA_Q_NO_6_BYTE = 0x02, 94 DA_Q_NO_PREVENT = 0x04, 95 DA_Q_4K = 0x08 96 } da_quirks; 97 98 typedef enum { 99 DA_CCB_PROBE = 0x01, 100 DA_CCB_PROBE2 = 0x02, 101 DA_CCB_BUFFER_IO = 0x03, 102 DA_CCB_WAITING = 0x04, 103 DA_CCB_DUMP = 0x05, 104 DA_CCB_TYPE_MASK = 0x0F, 105 DA_CCB_RETRY_UA = 0x10 106 } da_ccb_state; 107 108 /* Offsets into our private area for storing information */ 109 #define ccb_state ppriv_field0 110 #define ccb_bp ppriv_ptr1 111 112 struct disk_params { 113 u_int8_t heads; 114 u_int32_t cylinders; 115 u_int8_t secs_per_track; 116 u_int32_t secsize; /* Number of bytes/sector */ 117 u_int64_t sectors; /* total number sectors */ 118 u_int stripesize; 119 u_int stripeoffset; 120 }; 121 122 struct da_softc { 123 struct bio_queue_head bio_queue; 124 SLIST_ENTRY(da_softc) links; 125 LIST_HEAD(, ccb_hdr) pending_ccbs; 126 da_state state; 127 da_flags flags; 128 da_quirks quirks; 129 int minimum_cmd_size; 130 int ordered_tag_count; 131 int outstanding_cmds; 132 struct disk_params params; 133 struct disk *disk; 134 union ccb saved_ccb; 135 struct task sysctl_task; 136 struct sysctl_ctx_list sysctl_ctx; 137 struct sysctl_oid *sysctl_tree; 138 struct callout sendordered_c; 139 uint64_t wwpn; 140 }; 141 142 struct da_quirk_entry { 143 struct scsi_inquiry_pattern inq_pat; 144 da_quirks quirks; 145 }; 146 147 static const char quantum[] = "QUANTUM"; 148 static const char microp[] = "MICROP"; 149 150 static struct da_quirk_entry da_quirk_table[] = 151 { 152 /* SPI, FC devices */ 153 { 154 /* 155 * Fujitsu M2513A MO drives. 156 * Tested devices: M2513A2 firmware versions 1200 & 1300. 157 * (dip switch selects whether T_DIRECT or T_OPTICAL device) 158 * Reported by: W.Scholten <whs@xs4all.nl> 159 */ 160 {T_DIRECT, SIP_MEDIA_REMOVABLE, "FUJITSU", "M2513A", "*"}, 161 /*quirks*/ DA_Q_NO_SYNC_CACHE 162 }, 163 { 164 /* See above. */ 165 {T_OPTICAL, SIP_MEDIA_REMOVABLE, "FUJITSU", "M2513A", "*"}, 166 /*quirks*/ DA_Q_NO_SYNC_CACHE 167 }, 168 { 169 /* 170 * This particular Fujitsu drive doesn't like the 171 * synchronize cache command. 172 * Reported by: Tom Jackson <toj@gorilla.net> 173 */ 174 {T_DIRECT, SIP_MEDIA_FIXED, "FUJITSU", "M2954*", "*"}, 175 /*quirks*/ DA_Q_NO_SYNC_CACHE 176 }, 177 { 178 /* 179 * This drive doesn't like the synchronize cache command 180 * either. Reported by: Matthew Jacob <mjacob@feral.com> 181 * in NetBSD PR kern/6027, August 24, 1998. 182 */ 183 {T_DIRECT, SIP_MEDIA_FIXED, microp, "2217*", "*"}, 184 /*quirks*/ DA_Q_NO_SYNC_CACHE 185 }, 186 { 187 /* 188 * This drive doesn't like the synchronize cache command 189 * either. Reported by: Hellmuth Michaelis (hm@kts.org) 190 * (PR 8882). 191 */ 192 {T_DIRECT, SIP_MEDIA_FIXED, microp, "2112*", "*"}, 193 /*quirks*/ DA_Q_NO_SYNC_CACHE 194 }, 195 { 196 /* 197 * Doesn't like the synchronize cache command. 198 * Reported by: Blaz Zupan <blaz@gold.amis.net> 199 */ 200 {T_DIRECT, SIP_MEDIA_FIXED, "NEC", "D3847*", "*"}, 201 /*quirks*/ DA_Q_NO_SYNC_CACHE 202 }, 203 { 204 /* 205 * Doesn't like the synchronize cache command. 206 * Reported by: Blaz Zupan <blaz@gold.amis.net> 207 */ 208 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "MAVERICK 540S", "*"}, 209 /*quirks*/ DA_Q_NO_SYNC_CACHE 210 }, 211 { 212 /* 213 * Doesn't like the synchronize cache command. 214 */ 215 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "LPS525S", "*"}, 216 /*quirks*/ DA_Q_NO_SYNC_CACHE 217 }, 218 { 219 /* 220 * Doesn't like the synchronize cache command. 221 * Reported by: walter@pelissero.de 222 */ 223 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "LPS540S", "*"}, 224 /*quirks*/ DA_Q_NO_SYNC_CACHE 225 }, 226 { 227 /* 228 * Doesn't work correctly with 6 byte reads/writes. 229 * Returns illegal request, and points to byte 9 of the 230 * 6-byte CDB. 231 * Reported by: Adam McDougall <bsdx@spawnet.com> 232 */ 233 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "VIKING 4*", "*"}, 234 /*quirks*/ DA_Q_NO_6_BYTE 235 }, 236 { 237 /* See above. */ 238 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "VIKING 2*", "*"}, 239 /*quirks*/ DA_Q_NO_6_BYTE 240 }, 241 { 242 /* 243 * Doesn't like the synchronize cache command. 244 * Reported by: walter@pelissero.de 245 */ 246 {T_DIRECT, SIP_MEDIA_FIXED, "CONNER", "CP3500*", "*"}, 247 /*quirks*/ DA_Q_NO_SYNC_CACHE 248 }, 249 { 250 /* 251 * The CISS RAID controllers do not support SYNC_CACHE 252 */ 253 {T_DIRECT, SIP_MEDIA_FIXED, "COMPAQ", "RAID*", "*"}, 254 /*quirks*/ DA_Q_NO_SYNC_CACHE 255 }, 256 /* USB mass storage devices supported by umass(4) */ 257 { 258 /* 259 * EXATELECOM (Sigmatel) i-Bead 100/105 USB Flash MP3 Player 260 * PR: kern/51675 261 */ 262 {T_DIRECT, SIP_MEDIA_REMOVABLE, "EXATEL", "i-BEAD10*", "*"}, 263 /*quirks*/ DA_Q_NO_SYNC_CACHE 264 }, 265 { 266 /* 267 * Power Quotient Int. (PQI) USB flash key 268 * PR: kern/53067 269 */ 270 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "USB Flash Disk*", 271 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 272 }, 273 { 274 /* 275 * Creative Nomad MUVO mp3 player (USB) 276 * PR: kern/53094 277 */ 278 {T_DIRECT, SIP_MEDIA_REMOVABLE, "CREATIVE", "NOMAD_MUVO", "*"}, 279 /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT 280 }, 281 { 282 /* 283 * Jungsoft NEXDISK USB flash key 284 * PR: kern/54737 285 */ 286 {T_DIRECT, SIP_MEDIA_REMOVABLE, "JUNGSOFT", "NEXDISK*", "*"}, 287 /*quirks*/ DA_Q_NO_SYNC_CACHE 288 }, 289 { 290 /* 291 * FreeDik USB Mini Data Drive 292 * PR: kern/54786 293 */ 294 {T_DIRECT, SIP_MEDIA_REMOVABLE, "FreeDik*", "Mini Data Drive", 295 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 296 }, 297 { 298 /* 299 * Sigmatel USB Flash MP3 Player 300 * PR: kern/57046 301 */ 302 {T_DIRECT, SIP_MEDIA_REMOVABLE, "SigmaTel", "MSCN", "*"}, 303 /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT 304 }, 305 { 306 /* 307 * Neuros USB Digital Audio Computer 308 * PR: kern/63645 309 */ 310 {T_DIRECT, SIP_MEDIA_REMOVABLE, "NEUROS", "dig. audio comp.", 311 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 312 }, 313 { 314 /* 315 * SEAGRAND NP-900 MP3 Player 316 * PR: kern/64563 317 */ 318 {T_DIRECT, SIP_MEDIA_REMOVABLE, "SEAGRAND", "NP-900*", "*"}, 319 /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT 320 }, 321 { 322 /* 323 * iRiver iFP MP3 player (with UMS Firmware) 324 * PR: kern/54881, i386/63941, kern/66124 325 */ 326 {T_DIRECT, SIP_MEDIA_REMOVABLE, "iRiver", "iFP*", "*"}, 327 /*quirks*/ DA_Q_NO_SYNC_CACHE 328 }, 329 { 330 /* 331 * Frontier Labs NEX IA+ Digital Audio Player, rev 1.10/0.01 332 * PR: kern/70158 333 */ 334 {T_DIRECT, SIP_MEDIA_REMOVABLE, "FL" , "Nex*", "*"}, 335 /*quirks*/ DA_Q_NO_SYNC_CACHE 336 }, 337 { 338 /* 339 * ZICPlay USB MP3 Player with FM 340 * PR: kern/75057 341 */ 342 {T_DIRECT, SIP_MEDIA_REMOVABLE, "ACTIONS*" , "USB DISK*", "*"}, 343 /*quirks*/ DA_Q_NO_SYNC_CACHE 344 }, 345 { 346 /* 347 * TEAC USB floppy mechanisms 348 */ 349 {T_DIRECT, SIP_MEDIA_REMOVABLE, "TEAC" , "FD-05*", "*"}, 350 /*quirks*/ DA_Q_NO_SYNC_CACHE 351 }, 352 { 353 /* 354 * Kingston DataTraveler II+ USB Pen-Drive. 355 * Reported by: Pawel Jakub Dawidek <pjd@FreeBSD.org> 356 */ 357 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Kingston" , "DataTraveler II+", 358 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 359 }, 360 { 361 /* 362 * Motorola E398 Mobile Phone (TransFlash memory card). 363 * Reported by: Wojciech A. Koszek <dunstan@FreeBSD.czest.pl> 364 * PR: usb/89889 365 */ 366 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Motorola" , "Motorola Phone", 367 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 368 }, 369 { 370 /* 371 * Qware BeatZkey! Pro 372 * PR: usb/79164 373 */ 374 {T_DIRECT, SIP_MEDIA_REMOVABLE, "GENERIC", "USB DISK DEVICE", 375 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 376 }, 377 { 378 /* 379 * Time DPA20B 1GB MP3 Player 380 * PR: usb/81846 381 */ 382 {T_DIRECT, SIP_MEDIA_REMOVABLE, "USB2.0*", "(FS) FLASH DISK*", 383 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 384 }, 385 { 386 /* 387 * Samsung USB key 128Mb 388 * PR: usb/90081 389 */ 390 {T_DIRECT, SIP_MEDIA_REMOVABLE, "USB-DISK", "FreeDik-FlashUsb", 391 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 392 }, 393 { 394 /* 395 * Kingston DataTraveler 2.0 USB Flash memory. 396 * PR: usb/89196 397 */ 398 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Kingston", "DataTraveler 2.0", 399 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 400 }, 401 { 402 /* 403 * Creative MUVO Slim mp3 player (USB) 404 * PR: usb/86131 405 */ 406 {T_DIRECT, SIP_MEDIA_REMOVABLE, "CREATIVE", "MuVo Slim", 407 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT 408 }, 409 { 410 /* 411 * United MP5512 Portable MP3 Player (2-in-1 USB DISK/MP3) 412 * PR: usb/80487 413 */ 414 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "MUSIC DISK", 415 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 416 }, 417 { 418 /* 419 * SanDisk Micro Cruzer 128MB 420 * PR: usb/75970 421 */ 422 {T_DIRECT, SIP_MEDIA_REMOVABLE, "SanDisk" , "Micro Cruzer", 423 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 424 }, 425 { 426 /* 427 * TOSHIBA TransMemory USB sticks 428 * PR: kern/94660 429 */ 430 {T_DIRECT, SIP_MEDIA_REMOVABLE, "TOSHIBA", "TransMemory", 431 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 432 }, 433 { 434 /* 435 * PNY USB Flash keys 436 * PR: usb/75578, usb/72344, usb/65436 437 */ 438 {T_DIRECT, SIP_MEDIA_REMOVABLE, "*" , "USB DISK*", 439 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 440 }, 441 { 442 /* 443 * Genesys 6-in-1 Card Reader 444 * PR: usb/94647 445 */ 446 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "STORAGE DEVICE*", 447 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 448 }, 449 { 450 /* 451 * Rekam Digital CAMERA 452 * PR: usb/98713 453 */ 454 {T_DIRECT, SIP_MEDIA_REMOVABLE, "CAMERA*", "4MP-9J6*", 455 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 456 }, 457 { 458 /* 459 * iRiver H10 MP3 player 460 * PR: usb/102547 461 */ 462 {T_DIRECT, SIP_MEDIA_REMOVABLE, "iriver", "H10*", 463 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 464 }, 465 { 466 /* 467 * iRiver U10 MP3 player 468 * PR: usb/92306 469 */ 470 {T_DIRECT, SIP_MEDIA_REMOVABLE, "iriver", "U10*", 471 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 472 }, 473 { 474 /* 475 * X-Micro Flash Disk 476 * PR: usb/96901 477 */ 478 {T_DIRECT, SIP_MEDIA_REMOVABLE, "X-Micro", "Flash Disk", 479 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 480 }, 481 { 482 /* 483 * EasyMP3 EM732X USB 2.0 Flash MP3 Player 484 * PR: usb/96546 485 */ 486 {T_DIRECT, SIP_MEDIA_REMOVABLE, "EM732X", "MP3 Player*", 487 "1.00"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 488 }, 489 { 490 /* 491 * Denver MP3 player 492 * PR: usb/107101 493 */ 494 {T_DIRECT, SIP_MEDIA_REMOVABLE, "DENVER", "MP3 PLAYER", 495 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 496 }, 497 { 498 /* 499 * Philips USB Key Audio KEY013 500 * PR: usb/68412 501 */ 502 {T_DIRECT, SIP_MEDIA_REMOVABLE, "PHILIPS", "Key*", "*"}, 503 /*quirks*/ DA_Q_NO_SYNC_CACHE | DA_Q_NO_PREVENT 504 }, 505 { 506 /* 507 * JNC MP3 Player 508 * PR: usb/94439 509 */ 510 {T_DIRECT, SIP_MEDIA_REMOVABLE, "JNC*" , "MP3 Player*", 511 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 512 }, 513 { 514 /* 515 * SAMSUNG MP0402H 516 * PR: usb/108427 517 */ 518 {T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "MP0402H", "*"}, 519 /*quirks*/ DA_Q_NO_SYNC_CACHE 520 }, 521 { 522 /* 523 * I/O Magic USB flash - Giga Bank 524 * PR: usb/108810 525 */ 526 {T_DIRECT, SIP_MEDIA_FIXED, "GS-Magic", "stor*", "*"}, 527 /*quirks*/ DA_Q_NO_SYNC_CACHE 528 }, 529 { 530 /* 531 * JoyFly 128mb USB Flash Drive 532 * PR: 96133 533 */ 534 {T_DIRECT, SIP_MEDIA_REMOVABLE, "USB 2.0", "Flash Disk*", 535 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 536 }, 537 { 538 /* 539 * ChipsBnk usb stick 540 * PR: 103702 541 */ 542 {T_DIRECT, SIP_MEDIA_REMOVABLE, "ChipsBnk", "USB*", 543 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 544 }, 545 { 546 /* 547 * Storcase (Kingston) InfoStation IFS FC2/SATA-R 201A 548 * PR: 129858 549 */ 550 {T_DIRECT, SIP_MEDIA_FIXED, "IFS", "FC2/SATA-R*", 551 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 552 }, 553 { 554 /* 555 * Samsung YP-U3 mp3-player 556 * PR: 125398 557 */ 558 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Samsung", "YP-U3", 559 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 560 }, 561 { 562 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Netac", "OnlyDisk*", 563 "2000"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 564 }, 565 { 566 /* 567 * Sony Cyber-Shot DSC cameras 568 * PR: usb/137035 569 */ 570 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Sony", "Sony DSC", "*"}, 571 /*quirks*/ DA_Q_NO_SYNC_CACHE | DA_Q_NO_PREVENT 572 }, 573 /* ATA/SATA devices over SAS/USB/... */ 574 { 575 /* Hitachi Advanced Format (4k) drives */ 576 { T_DIRECT, SIP_MEDIA_FIXED, "Hitachi", "H??????????E3*", "*" }, 577 /*quirks*/DA_Q_4K 578 }, 579 { 580 /* Samsung Advanced Format (4k) drives */ 581 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SAMSUNG HD155UI*", "*" }, 582 /*quirks*/DA_Q_4K 583 }, 584 { 585 /* Samsung Advanced Format (4k) drives */ 586 { T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "HD155UI*", "*" }, 587 /*quirks*/DA_Q_4K 588 }, 589 { 590 /* Samsung Advanced Format (4k) drives */ 591 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SAMSUNG HD204UI*", "*" }, 592 /*quirks*/DA_Q_4K 593 }, 594 { 595 /* Samsung Advanced Format (4k) drives */ 596 { T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "HD204UI*", "*" }, 597 /*quirks*/DA_Q_4K 598 }, 599 { 600 /* Seagate Barracuda Green Advanced Format (4k) drives */ 601 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST????DL*", "*" }, 602 /*quirks*/DA_Q_4K 603 }, 604 { 605 /* Seagate Barracuda Green Advanced Format (4k) drives */ 606 { T_DIRECT, SIP_MEDIA_FIXED, "ST????DL", "*", "*" }, 607 /*quirks*/DA_Q_4K 608 }, 609 { 610 /* Seagate Barracuda Green Advanced Format (4k) drives */ 611 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST???DM*", "*" }, 612 /*quirks*/DA_Q_4K 613 }, 614 { 615 /* Seagate Barracuda Green Advanced Format (4k) drives */ 616 { T_DIRECT, SIP_MEDIA_FIXED, "ST???DM*", "*", "*" }, 617 /*quirks*/DA_Q_4K 618 }, 619 { 620 /* Seagate Barracuda Green Advanced Format (4k) drives */ 621 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST????DM*", "*" }, 622 /*quirks*/DA_Q_4K 623 }, 624 { 625 /* Seagate Barracuda Green Advanced Format (4k) drives */ 626 { T_DIRECT, SIP_MEDIA_FIXED, "ST????DM", "*", "*" }, 627 /*quirks*/DA_Q_4K 628 }, 629 { 630 /* Seagate Momentus Advanced Format (4k) drives */ 631 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9500423AS*", "*" }, 632 /*quirks*/DA_Q_4K 633 }, 634 { 635 /* Seagate Momentus Advanced Format (4k) drives */ 636 { T_DIRECT, SIP_MEDIA_FIXED, "ST950042", "3AS*", "*" }, 637 /*quirks*/DA_Q_4K 638 }, 639 { 640 /* Seagate Momentus Advanced Format (4k) drives */ 641 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9500424AS*", "*" }, 642 /*quirks*/DA_Q_4K 643 }, 644 { 645 /* Seagate Momentus Advanced Format (4k) drives */ 646 { T_DIRECT, SIP_MEDIA_FIXED, "ST950042", "4AS*", "*" }, 647 /*quirks*/DA_Q_4K 648 }, 649 { 650 /* Seagate Momentus Advanced Format (4k) drives */ 651 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9640423AS*", "*" }, 652 /*quirks*/DA_Q_4K 653 }, 654 { 655 /* Seagate Momentus Advanced Format (4k) drives */ 656 { T_DIRECT, SIP_MEDIA_FIXED, "ST964042", "3AS*", "*" }, 657 /*quirks*/DA_Q_4K 658 }, 659 { 660 /* Seagate Momentus Advanced Format (4k) drives */ 661 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9640424AS*", "*" }, 662 /*quirks*/DA_Q_4K 663 }, 664 { 665 /* Seagate Momentus Advanced Format (4k) drives */ 666 { T_DIRECT, SIP_MEDIA_FIXED, "ST964042", "4AS*", "*" }, 667 /*quirks*/DA_Q_4K 668 }, 669 { 670 /* Seagate Momentus Advanced Format (4k) drives */ 671 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9750420AS*", "*" }, 672 /*quirks*/DA_Q_4K 673 }, 674 { 675 /* Seagate Momentus Advanced Format (4k) drives */ 676 { T_DIRECT, SIP_MEDIA_FIXED, "ST975042", "0AS*", "*" }, 677 /*quirks*/DA_Q_4K 678 }, 679 { 680 /* Seagate Momentus Advanced Format (4k) drives */ 681 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9750422AS*", "*" }, 682 /*quirks*/DA_Q_4K 683 }, 684 { 685 /* Seagate Momentus Advanced Format (4k) drives */ 686 { T_DIRECT, SIP_MEDIA_FIXED, "ST975042", "2AS*", "*" }, 687 /*quirks*/DA_Q_4K 688 }, 689 { 690 /* Seagate Momentus Advanced Format (4k) drives */ 691 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9750423AS*", "*" }, 692 /*quirks*/DA_Q_4K 693 }, 694 { 695 /* Seagate Momentus Advanced Format (4k) drives */ 696 { T_DIRECT, SIP_MEDIA_FIXED, "ST975042", "3AS*", "*" }, 697 /*quirks*/DA_Q_4K 698 }, 699 { 700 /* Seagate Momentus Thin Advanced Format (4k) drives */ 701 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST???LT*", "*" }, 702 /*quirks*/DA_Q_4K 703 }, 704 { 705 /* Seagate Momentus Thin Advanced Format (4k) drives */ 706 { T_DIRECT, SIP_MEDIA_FIXED, "ST???LT*", "*", "*" }, 707 /*quirks*/DA_Q_4K 708 }, 709 { 710 /* WDC Caviar Green Advanced Format (4k) drives */ 711 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD????RS*", "*" }, 712 /*quirks*/DA_Q_4K 713 }, 714 { 715 /* WDC Caviar Green Advanced Format (4k) drives */ 716 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "??RS*", "*" }, 717 /*quirks*/DA_Q_4K 718 }, 719 { 720 /* WDC Caviar Green Advanced Format (4k) drives */ 721 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD????RX*", "*" }, 722 /*quirks*/DA_Q_4K 723 }, 724 { 725 /* WDC Caviar Green Advanced Format (4k) drives */ 726 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "??RX*", "*" }, 727 /*quirks*/DA_Q_4K 728 }, 729 { 730 /* WDC Caviar Green Advanced Format (4k) drives */ 731 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD??????RS*", "*" }, 732 /*quirks*/DA_Q_4K 733 }, 734 { 735 /* WDC Caviar Green Advanced Format (4k) drives */ 736 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "????RS*", "*" }, 737 /*quirks*/DA_Q_4K 738 }, 739 { 740 /* WDC Caviar Green Advanced Format (4k) drives */ 741 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD??????RX*", "*" }, 742 /*quirks*/DA_Q_4K 743 }, 744 { 745 /* WDC Caviar Green Advanced Format (4k) drives */ 746 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "????RX*", "*" }, 747 /*quirks*/DA_Q_4K 748 }, 749 { 750 /* WDC Scorpio Black Advanced Format (4k) drives */ 751 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD???PKT*", "*" }, 752 /*quirks*/DA_Q_4K 753 }, 754 { 755 /* WDC Scorpio Black Advanced Format (4k) drives */ 756 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "?PKT*", "*" }, 757 /*quirks*/DA_Q_4K 758 }, 759 { 760 /* WDC Scorpio Black Advanced Format (4k) drives */ 761 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD?????PKT*", "*" }, 762 /*quirks*/DA_Q_4K 763 }, 764 { 765 /* WDC Scorpio Black Advanced Format (4k) drives */ 766 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "???PKT*", "*" }, 767 /*quirks*/DA_Q_4K 768 }, 769 { 770 /* WDC Scorpio Blue Advanced Format (4k) drives */ 771 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD???PVT*", "*" }, 772 /*quirks*/DA_Q_4K 773 }, 774 { 775 /* WDC Scorpio Blue Advanced Format (4k) drives */ 776 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "?PVT*", "*" }, 777 /*quirks*/DA_Q_4K 778 }, 779 { 780 /* WDC Scorpio Blue Advanced Format (4k) drives */ 781 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD?????PVT*", "*" }, 782 /*quirks*/DA_Q_4K 783 }, 784 { 785 /* WDC Scorpio Blue Advanced Format (4k) drives */ 786 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "???PVT*", "*" }, 787 /*quirks*/DA_Q_4K 788 }, 789 }; 790 791 static disk_strategy_t dastrategy; 792 static dumper_t dadump; 793 static periph_init_t dainit; 794 static void daasync(void *callback_arg, u_int32_t code, 795 struct cam_path *path, void *arg); 796 static void dasysctlinit(void *context, int pending); 797 static int dacmdsizesysctl(SYSCTL_HANDLER_ARGS); 798 static periph_ctor_t daregister; 799 static periph_dtor_t dacleanup; 800 static periph_start_t dastart; 801 static periph_oninv_t daoninvalidate; 802 static void dadone(struct cam_periph *periph, 803 union ccb *done_ccb); 804 static int daerror(union ccb *ccb, u_int32_t cam_flags, 805 u_int32_t sense_flags); 806 static void daprevent(struct cam_periph *periph, int action); 807 static int dagetcapacity(struct cam_periph *periph); 808 static void dasetgeom(struct cam_periph *periph, uint32_t block_len, 809 uint64_t maxsector, u_int lbppbe, u_int lalba); 810 static timeout_t dasendorderedtag; 811 static void dashutdown(void *arg, int howto); 812 813 #ifndef DA_DEFAULT_TIMEOUT 814 #define DA_DEFAULT_TIMEOUT 60 /* Timeout in seconds */ 815 #endif 816 817 #ifndef DA_DEFAULT_RETRY 818 #define DA_DEFAULT_RETRY 4 819 #endif 820 821 #ifndef DA_DEFAULT_SEND_ORDERED 822 #define DA_DEFAULT_SEND_ORDERED 1 823 #endif 824 825 826 static int da_retry_count = DA_DEFAULT_RETRY; 827 static int da_default_timeout = DA_DEFAULT_TIMEOUT; 828 static int da_send_ordered = DA_DEFAULT_SEND_ORDERED; 829 830 static SYSCTL_NODE(_kern_cam, OID_AUTO, da, CTLFLAG_RD, 0, 831 "CAM Direct Access Disk driver"); 832 SYSCTL_INT(_kern_cam_da, OID_AUTO, retry_count, CTLFLAG_RW, 833 &da_retry_count, 0, "Normal I/O retry count"); 834 TUNABLE_INT("kern.cam.da.retry_count", &da_retry_count); 835 SYSCTL_INT(_kern_cam_da, OID_AUTO, default_timeout, CTLFLAG_RW, 836 &da_default_timeout, 0, "Normal I/O timeout (in seconds)"); 837 TUNABLE_INT("kern.cam.da.default_timeout", &da_default_timeout); 838 SYSCTL_INT(_kern_cam_da, OID_AUTO, da_send_ordered, CTLFLAG_RW, 839 &da_send_ordered, 0, "Send Ordered Tags"); 840 TUNABLE_INT("kern.cam.da.da_send_ordered", &da_send_ordered); 841 842 /* 843 * DA_ORDEREDTAG_INTERVAL determines how often, relative 844 * to the default timeout, we check to see whether an ordered 845 * tagged transaction is appropriate to prevent simple tag 846 * starvation. Since we'd like to ensure that there is at least 847 * 1/2 of the timeout length left for a starved transaction to 848 * complete after we've sent an ordered tag, we must poll at least 849 * four times in every timeout period. This takes care of the worst 850 * case where a starved transaction starts during an interval that 851 * meets the requirement "don't send an ordered tag" test so it takes 852 * us two intervals to determine that a tag must be sent. 853 */ 854 #ifndef DA_ORDEREDTAG_INTERVAL 855 #define DA_ORDEREDTAG_INTERVAL 4 856 #endif 857 858 static struct periph_driver dadriver = 859 { 860 dainit, "da", 861 TAILQ_HEAD_INITIALIZER(dadriver.units), /* generation */ 0 862 }; 863 864 PERIPHDRIVER_DECLARE(da, dadriver); 865 866 static MALLOC_DEFINE(M_SCSIDA, "scsi_da", "scsi_da buffers"); 867 868 static int 869 daopen(struct disk *dp) 870 { 871 struct cam_periph *periph; 872 struct da_softc *softc; 873 int unit; 874 int error; 875 876 periph = (struct cam_periph *)dp->d_drv1; 877 if (periph == NULL) { 878 return (ENXIO); 879 } 880 881 if (cam_periph_acquire(periph) != CAM_REQ_CMP) { 882 return(ENXIO); 883 } 884 885 cam_periph_lock(periph); 886 if ((error = cam_periph_hold(periph, PRIBIO|PCATCH)) != 0) { 887 cam_periph_unlock(periph); 888 cam_periph_release(periph); 889 return (error); 890 } 891 892 unit = periph->unit_number; 893 softc = (struct da_softc *)periph->softc; 894 softc->flags |= DA_FLAG_OPEN; 895 896 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 897 ("daopen: disk=%s%d (unit %d)\n", dp->d_name, dp->d_unit, 898 unit)); 899 900 if ((softc->flags & DA_FLAG_PACK_INVALID) != 0) { 901 /* Invalidate our pack information. */ 902 softc->flags &= ~DA_FLAG_PACK_INVALID; 903 } 904 905 error = dagetcapacity(periph); 906 907 if (error == 0) { 908 909 softc->disk->d_sectorsize = softc->params.secsize; 910 softc->disk->d_mediasize = softc->params.secsize * (off_t)softc->params.sectors; 911 softc->disk->d_stripesize = softc->params.stripesize; 912 softc->disk->d_stripeoffset = softc->params.stripeoffset; 913 /* XXX: these are not actually "firmware" values, so they may be wrong */ 914 softc->disk->d_fwsectors = softc->params.secs_per_track; 915 softc->disk->d_fwheads = softc->params.heads; 916 softc->disk->d_devstat->block_size = softc->params.secsize; 917 softc->disk->d_devstat->flags &= ~DEVSTAT_BS_UNAVAILABLE; 918 919 if ((softc->flags & DA_FLAG_PACK_REMOVABLE) != 0 && 920 (softc->quirks & DA_Q_NO_PREVENT) == 0) 921 daprevent(periph, PR_PREVENT); 922 } else 923 softc->flags &= ~DA_FLAG_OPEN; 924 925 cam_periph_unhold(periph); 926 cam_periph_unlock(periph); 927 928 if (error != 0) { 929 cam_periph_release(periph); 930 } 931 return (error); 932 } 933 934 static int 935 daclose(struct disk *dp) 936 { 937 struct cam_periph *periph; 938 struct da_softc *softc; 939 int error; 940 941 periph = (struct cam_periph *)dp->d_drv1; 942 if (periph == NULL) 943 return (ENXIO); 944 945 cam_periph_lock(periph); 946 if ((error = cam_periph_hold(periph, PRIBIO)) != 0) { 947 cam_periph_unlock(periph); 948 cam_periph_release(periph); 949 return (error); 950 } 951 952 softc = (struct da_softc *)periph->softc; 953 954 if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0 955 && (softc->flags & DA_FLAG_PACK_INVALID) == 0) { 956 union ccb *ccb; 957 958 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 959 960 scsi_synchronize_cache(&ccb->csio, 961 /*retries*/1, 962 /*cbfcnp*/dadone, 963 MSG_SIMPLE_Q_TAG, 964 /*begin_lba*/0,/* Cover the whole disk */ 965 /*lb_count*/0, 966 SSD_FULL_SIZE, 967 5 * 60 * 1000); 968 969 cam_periph_runccb(ccb, /*error_routine*/NULL, /*cam_flags*/0, 970 /*sense_flags*/SF_RETRY_UA, 971 softc->disk->d_devstat); 972 973 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 974 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == 975 CAM_SCSI_STATUS_ERROR) { 976 int asc, ascq; 977 int sense_key, error_code; 978 979 scsi_extract_sense_len(&ccb->csio.sense_data, 980 ccb->csio.sense_len - ccb->csio.sense_resid, 981 &error_code, &sense_key, &asc, &ascq, 982 /*show_errors*/ 1); 983 if (sense_key != SSD_KEY_ILLEGAL_REQUEST) 984 scsi_sense_print(&ccb->csio); 985 } else { 986 xpt_print(periph->path, "Synchronize cache " 987 "failed, status == 0x%x, scsi status == " 988 "0x%x\n", ccb->csio.ccb_h.status, 989 ccb->csio.scsi_status); 990 } 991 } 992 993 xpt_release_ccb(ccb); 994 995 } 996 997 if ((softc->flags & DA_FLAG_PACK_REMOVABLE) != 0) { 998 if ((softc->quirks & DA_Q_NO_PREVENT) == 0) 999 daprevent(periph, PR_ALLOW); 1000 /* 1001 * If we've got removeable media, mark the blocksize as 1002 * unavailable, since it could change when new media is 1003 * inserted. 1004 */ 1005 softc->disk->d_devstat->flags |= DEVSTAT_BS_UNAVAILABLE; 1006 } 1007 1008 softc->flags &= ~DA_FLAG_OPEN; 1009 cam_periph_unhold(periph); 1010 cam_periph_unlock(periph); 1011 cam_periph_release(periph); 1012 return (0); 1013 } 1014 1015 /* 1016 * Actually translate the requested transfer into one the physical driver 1017 * can understand. The transfer is described by a buf and will include 1018 * only one physical transfer. 1019 */ 1020 static void 1021 dastrategy(struct bio *bp) 1022 { 1023 struct cam_periph *periph; 1024 struct da_softc *softc; 1025 1026 periph = (struct cam_periph *)bp->bio_disk->d_drv1; 1027 if (periph == NULL) { 1028 biofinish(bp, NULL, ENXIO); 1029 return; 1030 } 1031 softc = (struct da_softc *)periph->softc; 1032 1033 cam_periph_lock(periph); 1034 1035 /* 1036 * If the device has been made invalid, error out 1037 */ 1038 if ((softc->flags & DA_FLAG_PACK_INVALID)) { 1039 cam_periph_unlock(periph); 1040 biofinish(bp, NULL, ENXIO); 1041 return; 1042 } 1043 1044 /* 1045 * Place it in the queue of disk activities for this disk 1046 */ 1047 bioq_disksort(&softc->bio_queue, bp); 1048 1049 /* 1050 * Schedule ourselves for performing the work. 1051 */ 1052 xpt_schedule(periph, CAM_PRIORITY_NORMAL); 1053 cam_periph_unlock(periph); 1054 1055 return; 1056 } 1057 1058 static int 1059 dadump(void *arg, void *virtual, vm_offset_t physical, off_t offset, size_t length) 1060 { 1061 struct cam_periph *periph; 1062 struct da_softc *softc; 1063 u_int secsize; 1064 struct ccb_scsiio csio; 1065 struct disk *dp; 1066 1067 dp = arg; 1068 periph = dp->d_drv1; 1069 if (periph == NULL) 1070 return (ENXIO); 1071 softc = (struct da_softc *)periph->softc; 1072 cam_periph_lock(periph); 1073 secsize = softc->params.secsize; 1074 1075 if ((softc->flags & DA_FLAG_PACK_INVALID) != 0) { 1076 cam_periph_unlock(periph); 1077 return (ENXIO); 1078 } 1079 1080 if (length > 0) { 1081 xpt_setup_ccb(&csio.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 1082 csio.ccb_h.ccb_state = DA_CCB_DUMP; 1083 scsi_read_write(&csio, 1084 /*retries*/1, 1085 dadone, 1086 MSG_ORDERED_Q_TAG, 1087 /*read*/FALSE, 1088 /*byte2*/0, 1089 /*minimum_cmd_size*/ softc->minimum_cmd_size, 1090 offset / secsize, 1091 length / secsize, 1092 /*data_ptr*/(u_int8_t *) virtual, 1093 /*dxfer_len*/length, 1094 /*sense_len*/SSD_FULL_SIZE, 1095 DA_DEFAULT_TIMEOUT * 1000); 1096 xpt_polled_action((union ccb *)&csio); 1097 1098 if ((csio.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1099 printf("Aborting dump due to I/O error.\n"); 1100 if ((csio.ccb_h.status & CAM_STATUS_MASK) == 1101 CAM_SCSI_STATUS_ERROR) 1102 scsi_sense_print(&csio); 1103 else 1104 printf("status == 0x%x, scsi status == 0x%x\n", 1105 csio.ccb_h.status, csio.scsi_status); 1106 return(EIO); 1107 } 1108 cam_periph_unlock(periph); 1109 return(0); 1110 } 1111 1112 /* 1113 * Sync the disk cache contents to the physical media. 1114 */ 1115 if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) { 1116 1117 xpt_setup_ccb(&csio.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 1118 csio.ccb_h.ccb_state = DA_CCB_DUMP; 1119 scsi_synchronize_cache(&csio, 1120 /*retries*/1, 1121 /*cbfcnp*/dadone, 1122 MSG_SIMPLE_Q_TAG, 1123 /*begin_lba*/0,/* Cover the whole disk */ 1124 /*lb_count*/0, 1125 SSD_FULL_SIZE, 1126 5 * 60 * 1000); 1127 xpt_polled_action((union ccb *)&csio); 1128 1129 if ((csio.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1130 if ((csio.ccb_h.status & CAM_STATUS_MASK) == 1131 CAM_SCSI_STATUS_ERROR) { 1132 int asc, ascq; 1133 int sense_key, error_code; 1134 1135 scsi_extract_sense_len(&csio.sense_data, 1136 csio.sense_len - csio.sense_resid, 1137 &error_code, &sense_key, &asc, &ascq, 1138 /*show_errors*/ 1); 1139 if (sense_key != SSD_KEY_ILLEGAL_REQUEST) 1140 scsi_sense_print(&csio); 1141 } else { 1142 xpt_print(periph->path, "Synchronize cache " 1143 "failed, status == 0x%x, scsi status == " 1144 "0x%x\n", csio.ccb_h.status, 1145 csio.scsi_status); 1146 } 1147 } 1148 } 1149 cam_periph_unlock(periph); 1150 return (0); 1151 } 1152 1153 static int 1154 dagetattr(struct bio *bp) 1155 { 1156 int ret = -1; 1157 struct cam_periph *periph; 1158 1159 if (bp->bio_disk == NULL || bp->bio_disk->d_drv1 == NULL) 1160 return ENXIO; 1161 periph = (struct cam_periph *)bp->bio_disk->d_drv1; 1162 if (periph->path == NULL) 1163 return ENXIO; 1164 1165 ret = xpt_getattr(bp->bio_data, bp->bio_length, bp->bio_attribute, 1166 periph->path); 1167 if (ret == 0) 1168 bp->bio_completed = bp->bio_length; 1169 return ret; 1170 } 1171 1172 static void 1173 dainit(void) 1174 { 1175 cam_status status; 1176 1177 /* 1178 * Install a global async callback. This callback will 1179 * receive async callbacks like "new device found". 1180 */ 1181 status = xpt_register_async(AC_FOUND_DEVICE, daasync, NULL, NULL); 1182 1183 if (status != CAM_REQ_CMP) { 1184 printf("da: Failed to attach master async callback " 1185 "due to status 0x%x!\n", status); 1186 } else if (da_send_ordered) { 1187 1188 /* Register our shutdown event handler */ 1189 if ((EVENTHANDLER_REGISTER(shutdown_post_sync, dashutdown, 1190 NULL, SHUTDOWN_PRI_DEFAULT)) == NULL) 1191 printf("dainit: shutdown event registration failed!\n"); 1192 } 1193 } 1194 1195 static void 1196 daoninvalidate(struct cam_periph *periph) 1197 { 1198 struct da_softc *softc; 1199 1200 softc = (struct da_softc *)periph->softc; 1201 1202 /* 1203 * De-register any async callbacks. 1204 */ 1205 xpt_register_async(0, daasync, periph, periph->path); 1206 1207 softc->flags |= DA_FLAG_PACK_INVALID; 1208 1209 /* 1210 * Return all queued I/O with ENXIO. 1211 * XXX Handle any transactions queued to the card 1212 * with XPT_ABORT_CCB. 1213 */ 1214 bioq_flush(&softc->bio_queue, NULL, ENXIO); 1215 1216 disk_gone(softc->disk); 1217 xpt_print(periph->path, "lost device - %d outstanding\n", 1218 softc->outstanding_cmds); 1219 } 1220 1221 static void 1222 dacleanup(struct cam_periph *periph) 1223 { 1224 struct da_softc *softc; 1225 1226 softc = (struct da_softc *)periph->softc; 1227 1228 xpt_print(periph->path, "removing device entry\n"); 1229 cam_periph_unlock(periph); 1230 1231 /* 1232 * If we can't free the sysctl tree, oh well... 1233 */ 1234 if ((softc->flags & DA_FLAG_SCTX_INIT) != 0 1235 && sysctl_ctx_free(&softc->sysctl_ctx) != 0) { 1236 xpt_print(periph->path, "can't remove sysctl context\n"); 1237 } 1238 1239 disk_destroy(softc->disk); 1240 callout_drain(&softc->sendordered_c); 1241 free(softc, M_DEVBUF); 1242 cam_periph_lock(periph); 1243 } 1244 1245 static void 1246 daasync(void *callback_arg, u_int32_t code, 1247 struct cam_path *path, void *arg) 1248 { 1249 struct cam_periph *periph; 1250 1251 periph = (struct cam_periph *)callback_arg; 1252 switch (code) { 1253 case AC_FOUND_DEVICE: 1254 { 1255 struct ccb_getdev *cgd; 1256 cam_status status; 1257 1258 cgd = (struct ccb_getdev *)arg; 1259 if (cgd == NULL) 1260 break; 1261 1262 if (cgd->protocol != PROTO_SCSI) 1263 break; 1264 1265 if (SID_TYPE(&cgd->inq_data) != T_DIRECT 1266 && SID_TYPE(&cgd->inq_data) != T_RBC 1267 && SID_TYPE(&cgd->inq_data) != T_OPTICAL) 1268 break; 1269 1270 /* 1271 * Allocate a peripheral instance for 1272 * this device and start the probe 1273 * process. 1274 */ 1275 status = cam_periph_alloc(daregister, daoninvalidate, 1276 dacleanup, dastart, 1277 "da", CAM_PERIPH_BIO, 1278 cgd->ccb_h.path, daasync, 1279 AC_FOUND_DEVICE, cgd); 1280 1281 if (status != CAM_REQ_CMP 1282 && status != CAM_REQ_INPROG) 1283 printf("daasync: Unable to attach to new device " 1284 "due to status 0x%x\n", status); 1285 return; 1286 } 1287 case AC_ADVINFO_CHANGED: 1288 { 1289 uintptr_t buftype; 1290 1291 buftype = (uintptr_t)arg; 1292 if (buftype == CDAI_TYPE_PHYS_PATH) { 1293 struct da_softc *softc; 1294 1295 softc = periph->softc; 1296 disk_attr_changed(softc->disk, "GEOM::physpath", 1297 M_NOWAIT); 1298 } 1299 break; 1300 } 1301 case AC_SENT_BDR: 1302 case AC_BUS_RESET: 1303 { 1304 struct da_softc *softc; 1305 struct ccb_hdr *ccbh; 1306 1307 softc = (struct da_softc *)periph->softc; 1308 /* 1309 * Don't fail on the expected unit attention 1310 * that will occur. 1311 */ 1312 softc->flags |= DA_FLAG_RETRY_UA; 1313 LIST_FOREACH(ccbh, &softc->pending_ccbs, periph_links.le) 1314 ccbh->ccb_state |= DA_CCB_RETRY_UA; 1315 break; 1316 } 1317 default: 1318 break; 1319 } 1320 cam_periph_async(periph, code, path, arg); 1321 } 1322 1323 static void 1324 dasysctlinit(void *context, int pending) 1325 { 1326 struct cam_periph *periph; 1327 struct da_softc *softc; 1328 char tmpstr[80], tmpstr2[80]; 1329 struct ccb_trans_settings cts; 1330 1331 periph = (struct cam_periph *)context; 1332 /* 1333 * periph was held for us when this task was enqueued 1334 */ 1335 if (periph->flags & CAM_PERIPH_INVALID) { 1336 cam_periph_release(periph); 1337 return; 1338 } 1339 1340 softc = (struct da_softc *)periph->softc; 1341 snprintf(tmpstr, sizeof(tmpstr), "CAM DA unit %d", periph->unit_number); 1342 snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number); 1343 1344 sysctl_ctx_init(&softc->sysctl_ctx); 1345 softc->flags |= DA_FLAG_SCTX_INIT; 1346 softc->sysctl_tree = SYSCTL_ADD_NODE(&softc->sysctl_ctx, 1347 SYSCTL_STATIC_CHILDREN(_kern_cam_da), OID_AUTO, tmpstr2, 1348 CTLFLAG_RD, 0, tmpstr); 1349 if (softc->sysctl_tree == NULL) { 1350 printf("dasysctlinit: unable to allocate sysctl tree\n"); 1351 cam_periph_release(periph); 1352 return; 1353 } 1354 1355 /* 1356 * Now register the sysctl handler, so the user can change the value on 1357 * the fly. 1358 */ 1359 SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1360 OID_AUTO, "minimum_cmd_size", CTLTYPE_INT | CTLFLAG_RW, 1361 &softc->minimum_cmd_size, 0, dacmdsizesysctl, "I", 1362 "Minimum CDB size"); 1363 1364 /* 1365 * Add some addressing info. 1366 */ 1367 memset(&cts, 0, sizeof (cts)); 1368 xpt_setup_ccb(&cts.ccb_h, periph->path, /*priority*/1); 1369 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 1370 cts.type = CTS_TYPE_CURRENT_SETTINGS; 1371 cam_periph_lock(periph); 1372 xpt_action((union ccb *)&cts); 1373 cam_periph_unlock(periph); 1374 if (cts.ccb_h.status != CAM_REQ_CMP) { 1375 cam_periph_release(periph); 1376 return; 1377 } 1378 if (cts.protocol == PROTO_SCSI && cts.transport == XPORT_FC) { 1379 struct ccb_trans_settings_fc *fc = &cts.xport_specific.fc; 1380 if (fc->valid & CTS_FC_VALID_WWPN) { 1381 softc->wwpn = fc->wwpn; 1382 SYSCTL_ADD_UQUAD(&softc->sysctl_ctx, 1383 SYSCTL_CHILDREN(softc->sysctl_tree), 1384 OID_AUTO, "wwpn", CTLFLAG_RD, 1385 &softc->wwpn, "World Wide Port Name"); 1386 } 1387 } 1388 cam_periph_release(periph); 1389 } 1390 1391 static int 1392 dacmdsizesysctl(SYSCTL_HANDLER_ARGS) 1393 { 1394 int error, value; 1395 1396 value = *(int *)arg1; 1397 1398 error = sysctl_handle_int(oidp, &value, 0, req); 1399 1400 if ((error != 0) 1401 || (req->newptr == NULL)) 1402 return (error); 1403 1404 /* 1405 * Acceptable values here are 6, 10, 12 or 16. 1406 */ 1407 if (value < 6) 1408 value = 6; 1409 else if ((value > 6) 1410 && (value <= 10)) 1411 value = 10; 1412 else if ((value > 10) 1413 && (value <= 12)) 1414 value = 12; 1415 else if (value > 12) 1416 value = 16; 1417 1418 *(int *)arg1 = value; 1419 1420 return (0); 1421 } 1422 1423 static cam_status 1424 daregister(struct cam_periph *periph, void *arg) 1425 { 1426 struct da_softc *softc; 1427 struct ccb_pathinq cpi; 1428 struct ccb_getdev *cgd; 1429 char tmpstr[80]; 1430 caddr_t match; 1431 1432 cgd = (struct ccb_getdev *)arg; 1433 if (periph == NULL) { 1434 printf("daregister: periph was NULL!!\n"); 1435 return(CAM_REQ_CMP_ERR); 1436 } 1437 1438 if (cgd == NULL) { 1439 printf("daregister: no getdev CCB, can't register device\n"); 1440 return(CAM_REQ_CMP_ERR); 1441 } 1442 1443 softc = (struct da_softc *)malloc(sizeof(*softc), M_DEVBUF, 1444 M_NOWAIT|M_ZERO); 1445 1446 if (softc == NULL) { 1447 printf("daregister: Unable to probe new device. " 1448 "Unable to allocate softc\n"); 1449 return(CAM_REQ_CMP_ERR); 1450 } 1451 1452 LIST_INIT(&softc->pending_ccbs); 1453 softc->state = DA_STATE_PROBE; 1454 bioq_init(&softc->bio_queue); 1455 if (SID_IS_REMOVABLE(&cgd->inq_data)) 1456 softc->flags |= DA_FLAG_PACK_REMOVABLE; 1457 if ((cgd->inq_data.flags & SID_CmdQue) != 0) 1458 softc->flags |= DA_FLAG_TAGGED_QUEUING; 1459 1460 periph->softc = softc; 1461 1462 /* 1463 * See if this device has any quirks. 1464 */ 1465 match = cam_quirkmatch((caddr_t)&cgd->inq_data, 1466 (caddr_t)da_quirk_table, 1467 sizeof(da_quirk_table)/sizeof(*da_quirk_table), 1468 sizeof(*da_quirk_table), scsi_inquiry_match); 1469 1470 if (match != NULL) 1471 softc->quirks = ((struct da_quirk_entry *)match)->quirks; 1472 else 1473 softc->quirks = DA_Q_NONE; 1474 1475 /* Check if the SIM does not want 6 byte commands */ 1476 bzero(&cpi, sizeof(cpi)); 1477 xpt_setup_ccb(&cpi.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 1478 cpi.ccb_h.func_code = XPT_PATH_INQ; 1479 xpt_action((union ccb *)&cpi); 1480 if (cpi.ccb_h.status == CAM_REQ_CMP && (cpi.hba_misc & PIM_NO_6_BYTE)) 1481 softc->quirks |= DA_Q_NO_6_BYTE; 1482 1483 TASK_INIT(&softc->sysctl_task, 0, dasysctlinit, periph); 1484 1485 /* 1486 * Take an exclusive refcount on the periph while dastart is called 1487 * to finish the probe. The reference will be dropped in dadone at 1488 * the end of probe. 1489 */ 1490 (void)cam_periph_hold(periph, PRIBIO); 1491 1492 /* 1493 * Schedule a periodic event to occasionally send an 1494 * ordered tag to a device. 1495 */ 1496 callout_init_mtx(&softc->sendordered_c, periph->sim->mtx, 0); 1497 callout_reset(&softc->sendordered_c, 1498 (DA_DEFAULT_TIMEOUT * hz) / DA_ORDEREDTAG_INTERVAL, 1499 dasendorderedtag, softc); 1500 1501 mtx_unlock(periph->sim->mtx); 1502 /* 1503 * RBC devices don't have to support READ(6), only READ(10). 1504 */ 1505 if (softc->quirks & DA_Q_NO_6_BYTE || SID_TYPE(&cgd->inq_data) == T_RBC) 1506 softc->minimum_cmd_size = 10; 1507 else 1508 softc->minimum_cmd_size = 6; 1509 1510 /* 1511 * Load the user's default, if any. 1512 */ 1513 snprintf(tmpstr, sizeof(tmpstr), "kern.cam.da.%d.minimum_cmd_size", 1514 periph->unit_number); 1515 TUNABLE_INT_FETCH(tmpstr, &softc->minimum_cmd_size); 1516 1517 /* 1518 * 6, 10, 12 and 16 are the currently permissible values. 1519 */ 1520 if (softc->minimum_cmd_size < 6) 1521 softc->minimum_cmd_size = 6; 1522 else if ((softc->minimum_cmd_size > 6) 1523 && (softc->minimum_cmd_size <= 10)) 1524 softc->minimum_cmd_size = 10; 1525 else if ((softc->minimum_cmd_size > 10) 1526 && (softc->minimum_cmd_size <= 12)) 1527 softc->minimum_cmd_size = 12; 1528 else if (softc->minimum_cmd_size > 12) 1529 softc->minimum_cmd_size = 16; 1530 1531 /* Predict whether device may support READ CAPACITY(16). */ 1532 if (SID_ANSI_REV(&cgd->inq_data) >= SCSI_REV_SPC3 || 1533 (SID_ANSI_REV(&cgd->inq_data) >= SCSI_REV_SPC && 1534 (cgd->inq_data.spc3_flags & SPC3_SID_PROTECT))) { 1535 softc->flags |= DA_FLAG_CAN_RC16; 1536 softc->state = DA_STATE_PROBE2; 1537 } 1538 1539 /* 1540 * Register this media as a disk. 1541 */ 1542 softc->disk = disk_alloc(); 1543 softc->disk->d_devstat = devstat_new_entry(periph->periph_name, 1544 periph->unit_number, 0, 1545 DEVSTAT_BS_UNAVAILABLE, 1546 SID_TYPE(&cgd->inq_data) | 1547 XPORT_DEVSTAT_TYPE(cpi.transport), 1548 DEVSTAT_PRIORITY_DISK); 1549 softc->disk->d_open = daopen; 1550 softc->disk->d_close = daclose; 1551 softc->disk->d_strategy = dastrategy; 1552 softc->disk->d_dump = dadump; 1553 softc->disk->d_getattr = dagetattr; 1554 softc->disk->d_name = "da"; 1555 softc->disk->d_drv1 = periph; 1556 if (cpi.maxio == 0) 1557 softc->disk->d_maxsize = DFLTPHYS; /* traditional default */ 1558 else if (cpi.maxio > MAXPHYS) 1559 softc->disk->d_maxsize = MAXPHYS; /* for safety */ 1560 else 1561 softc->disk->d_maxsize = cpi.maxio; 1562 softc->disk->d_unit = periph->unit_number; 1563 softc->disk->d_flags = 0; 1564 if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) 1565 softc->disk->d_flags |= DISKFLAG_CANFLUSHCACHE; 1566 cam_strvis(softc->disk->d_descr, cgd->inq_data.vendor, 1567 sizeof(cgd->inq_data.vendor), sizeof(softc->disk->d_descr)); 1568 strlcat(softc->disk->d_descr, " ", sizeof(softc->disk->d_descr)); 1569 cam_strvis(&softc->disk->d_descr[strlen(softc->disk->d_descr)], 1570 cgd->inq_data.product, sizeof(cgd->inq_data.product), 1571 sizeof(softc->disk->d_descr) - strlen(softc->disk->d_descr)); 1572 softc->disk->d_hba_vendor = cpi.hba_vendor; 1573 softc->disk->d_hba_device = cpi.hba_device; 1574 softc->disk->d_hba_subvendor = cpi.hba_subvendor; 1575 softc->disk->d_hba_subdevice = cpi.hba_subdevice; 1576 disk_create(softc->disk, DISK_VERSION); 1577 mtx_lock(periph->sim->mtx); 1578 1579 /* 1580 * Add async callbacks for events of interest. 1581 * I don't bother checking if this fails as, 1582 * in most cases, the system will function just 1583 * fine without them and the only alternative 1584 * would be to not attach the device on failure. 1585 */ 1586 xpt_register_async(AC_SENT_BDR | AC_BUS_RESET 1587 | AC_LOST_DEVICE | AC_ADVINFO_CHANGED, 1588 daasync, periph, periph->path); 1589 1590 /* 1591 * Emit an attribute changed notification just in case 1592 * physical path information arrived before our async 1593 * event handler was registered, but after anyone attaching 1594 * to our disk device polled it. 1595 */ 1596 disk_attr_changed(softc->disk, "GEOM::physpath", M_NOWAIT); 1597 1598 xpt_schedule(periph, CAM_PRIORITY_DEV); 1599 1600 return(CAM_REQ_CMP); 1601 } 1602 1603 static void 1604 dastart(struct cam_periph *periph, union ccb *start_ccb) 1605 { 1606 struct da_softc *softc; 1607 1608 softc = (struct da_softc *)periph->softc; 1609 1610 switch (softc->state) { 1611 case DA_STATE_NORMAL: 1612 { 1613 /* Pull a buffer from the queue and get going on it */ 1614 struct bio *bp; 1615 1616 /* 1617 * See if there is a buf with work for us to do.. 1618 */ 1619 bp = bioq_first(&softc->bio_queue); 1620 if (periph->immediate_priority <= periph->pinfo.priority) { 1621 CAM_DEBUG_PRINT(CAM_DEBUG_SUBTRACE, 1622 ("queuing for immediate ccb\n")); 1623 start_ccb->ccb_h.ccb_state = DA_CCB_WAITING; 1624 SLIST_INSERT_HEAD(&periph->ccb_list, &start_ccb->ccb_h, 1625 periph_links.sle); 1626 periph->immediate_priority = CAM_PRIORITY_NONE; 1627 wakeup(&periph->ccb_list); 1628 } else if (bp == NULL) { 1629 xpt_release_ccb(start_ccb); 1630 } else { 1631 u_int8_t tag_code; 1632 1633 bioq_remove(&softc->bio_queue, bp); 1634 1635 if ((bp->bio_flags & BIO_ORDERED) != 0 1636 || (softc->flags & DA_FLAG_NEED_OTAG) != 0) { 1637 softc->flags &= ~DA_FLAG_NEED_OTAG; 1638 softc->ordered_tag_count++; 1639 tag_code = MSG_ORDERED_Q_TAG; 1640 } else { 1641 tag_code = MSG_SIMPLE_Q_TAG; 1642 } 1643 switch (bp->bio_cmd) { 1644 case BIO_READ: 1645 case BIO_WRITE: 1646 scsi_read_write(&start_ccb->csio, 1647 /*retries*/da_retry_count, 1648 /*cbfcnp*/dadone, 1649 /*tag_action*/tag_code, 1650 /*read_op*/bp->bio_cmd 1651 == BIO_READ, 1652 /*byte2*/0, 1653 softc->minimum_cmd_size, 1654 /*lba*/bp->bio_pblkno, 1655 /*block_count*/bp->bio_bcount / 1656 softc->params.secsize, 1657 /*data_ptr*/ bp->bio_data, 1658 /*dxfer_len*/ bp->bio_bcount, 1659 /*sense_len*/SSD_FULL_SIZE, 1660 da_default_timeout * 1000); 1661 break; 1662 case BIO_FLUSH: 1663 /* 1664 * BIO_FLUSH doesn't currently communicate 1665 * range data, so we synchronize the cache 1666 * over the whole disk. We also force 1667 * ordered tag semantics the flush applies 1668 * to all previously queued I/O. 1669 */ 1670 scsi_synchronize_cache(&start_ccb->csio, 1671 /*retries*/1, 1672 /*cbfcnp*/dadone, 1673 MSG_ORDERED_Q_TAG, 1674 /*begin_lba*/0, 1675 /*lb_count*/0, 1676 SSD_FULL_SIZE, 1677 da_default_timeout*1000); 1678 break; 1679 } 1680 start_ccb->ccb_h.ccb_state = DA_CCB_BUFFER_IO; 1681 1682 /* 1683 * Block out any asyncronous callbacks 1684 * while we touch the pending ccb list. 1685 */ 1686 LIST_INSERT_HEAD(&softc->pending_ccbs, 1687 &start_ccb->ccb_h, periph_links.le); 1688 softc->outstanding_cmds++; 1689 1690 /* We expect a unit attention from this device */ 1691 if ((softc->flags & DA_FLAG_RETRY_UA) != 0) { 1692 start_ccb->ccb_h.ccb_state |= DA_CCB_RETRY_UA; 1693 softc->flags &= ~DA_FLAG_RETRY_UA; 1694 } 1695 1696 start_ccb->ccb_h.ccb_bp = bp; 1697 bp = bioq_first(&softc->bio_queue); 1698 1699 xpt_action(start_ccb); 1700 } 1701 1702 if (bp != NULL) { 1703 /* Have more work to do, so ensure we stay scheduled */ 1704 xpt_schedule(periph, CAM_PRIORITY_NORMAL); 1705 } 1706 break; 1707 } 1708 case DA_STATE_PROBE: 1709 { 1710 struct ccb_scsiio *csio; 1711 struct scsi_read_capacity_data *rcap; 1712 1713 rcap = (struct scsi_read_capacity_data *) 1714 malloc(sizeof(*rcap), M_SCSIDA, M_NOWAIT|M_ZERO); 1715 if (rcap == NULL) { 1716 printf("dastart: Couldn't malloc read_capacity data\n"); 1717 /* da_free_periph??? */ 1718 break; 1719 } 1720 csio = &start_ccb->csio; 1721 scsi_read_capacity(csio, 1722 /*retries*/4, 1723 dadone, 1724 MSG_SIMPLE_Q_TAG, 1725 rcap, 1726 SSD_FULL_SIZE, 1727 /*timeout*/5000); 1728 start_ccb->ccb_h.ccb_bp = NULL; 1729 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE; 1730 xpt_action(start_ccb); 1731 break; 1732 } 1733 case DA_STATE_PROBE2: 1734 { 1735 struct ccb_scsiio *csio; 1736 struct scsi_read_capacity_data_long *rcaplong; 1737 1738 rcaplong = (struct scsi_read_capacity_data_long *) 1739 malloc(sizeof(*rcaplong), M_SCSIDA, M_NOWAIT|M_ZERO); 1740 if (rcaplong == NULL) { 1741 printf("dastart: Couldn't malloc read_capacity data\n"); 1742 /* da_free_periph??? */ 1743 break; 1744 } 1745 csio = &start_ccb->csio; 1746 scsi_read_capacity_16(csio, 1747 /*retries*/ 4, 1748 /*cbfcnp*/ dadone, 1749 /*tag_action*/ MSG_SIMPLE_Q_TAG, 1750 /*lba*/ 0, 1751 /*reladr*/ 0, 1752 /*pmi*/ 0, 1753 rcaplong, 1754 /*sense_len*/ SSD_FULL_SIZE, 1755 /*timeout*/ 60000); 1756 start_ccb->ccb_h.ccb_bp = NULL; 1757 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE2; 1758 xpt_action(start_ccb); 1759 break; 1760 } 1761 } 1762 } 1763 1764 static int 1765 cmd6workaround(union ccb *ccb) 1766 { 1767 struct scsi_rw_6 cmd6; 1768 struct scsi_rw_10 *cmd10; 1769 struct da_softc *softc; 1770 u_int8_t *cdb; 1771 int frozen; 1772 1773 cdb = ccb->csio.cdb_io.cdb_bytes; 1774 1775 /* Translation only possible if CDB is an array and cmd is R/W6 */ 1776 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0 || 1777 (*cdb != READ_6 && *cdb != WRITE_6)) 1778 return 0; 1779 1780 xpt_print(ccb->ccb_h.path, "READ(6)/WRITE(6) not supported, " 1781 "increasing minimum_cmd_size to 10.\n"); 1782 softc = (struct da_softc *)xpt_path_periph(ccb->ccb_h.path)->softc; 1783 softc->minimum_cmd_size = 10; 1784 1785 bcopy(cdb, &cmd6, sizeof(struct scsi_rw_6)); 1786 cmd10 = (struct scsi_rw_10 *)cdb; 1787 cmd10->opcode = (cmd6.opcode == READ_6) ? READ_10 : WRITE_10; 1788 cmd10->byte2 = 0; 1789 scsi_ulto4b(scsi_3btoul(cmd6.addr), cmd10->addr); 1790 cmd10->reserved = 0; 1791 scsi_ulto2b(cmd6.length, cmd10->length); 1792 cmd10->control = cmd6.control; 1793 ccb->csio.cdb_len = sizeof(*cmd10); 1794 1795 /* Requeue request, unfreezing queue if necessary */ 1796 frozen = (ccb->ccb_h.status & CAM_DEV_QFRZN) != 0; 1797 ccb->ccb_h.status = CAM_REQUEUE_REQ; 1798 xpt_action(ccb); 1799 if (frozen) { 1800 cam_release_devq(ccb->ccb_h.path, 1801 /*relsim_flags*/0, 1802 /*reduction*/0, 1803 /*timeout*/0, 1804 /*getcount_only*/0); 1805 } 1806 return (ERESTART); 1807 } 1808 1809 static void 1810 dadone(struct cam_periph *periph, union ccb *done_ccb) 1811 { 1812 struct da_softc *softc; 1813 struct ccb_scsiio *csio; 1814 u_int32_t priority; 1815 1816 softc = (struct da_softc *)periph->softc; 1817 priority = done_ccb->ccb_h.pinfo.priority; 1818 csio = &done_ccb->csio; 1819 switch (csio->ccb_h.ccb_state & DA_CCB_TYPE_MASK) { 1820 case DA_CCB_BUFFER_IO: 1821 { 1822 struct bio *bp; 1823 1824 bp = (struct bio *)done_ccb->ccb_h.ccb_bp; 1825 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1826 int error; 1827 int sf; 1828 1829 if ((csio->ccb_h.ccb_state & DA_CCB_RETRY_UA) != 0) 1830 sf = SF_RETRY_UA; 1831 else 1832 sf = 0; 1833 1834 error = daerror(done_ccb, CAM_RETRY_SELTO, sf); 1835 if (error == ERESTART) { 1836 /* 1837 * A retry was scheuled, so 1838 * just return. 1839 */ 1840 return; 1841 } 1842 if (error != 0) { 1843 int queued_error; 1844 1845 /* 1846 * return all queued I/O with EIO, so that 1847 * the client can retry these I/Os in the 1848 * proper order should it attempt to recover. 1849 */ 1850 queued_error = EIO; 1851 1852 if (error == ENXIO 1853 && (softc->flags & DA_FLAG_PACK_INVALID)== 0) { 1854 /* 1855 * Catastrophic error. Mark our pack as 1856 * invalid. 1857 */ 1858 /* 1859 * XXX See if this is really a media 1860 * XXX change first? 1861 */ 1862 xpt_print(periph->path, 1863 "Invalidating pack\n"); 1864 softc->flags |= DA_FLAG_PACK_INVALID; 1865 queued_error = ENXIO; 1866 } 1867 bioq_flush(&softc->bio_queue, NULL, 1868 queued_error); 1869 bp->bio_error = error; 1870 bp->bio_resid = bp->bio_bcount; 1871 bp->bio_flags |= BIO_ERROR; 1872 } else { 1873 bp->bio_resid = csio->resid; 1874 bp->bio_error = 0; 1875 if (bp->bio_resid != 0) 1876 bp->bio_flags |= BIO_ERROR; 1877 } 1878 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 1879 cam_release_devq(done_ccb->ccb_h.path, 1880 /*relsim_flags*/0, 1881 /*reduction*/0, 1882 /*timeout*/0, 1883 /*getcount_only*/0); 1884 } else { 1885 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 1886 panic("REQ_CMP with QFRZN"); 1887 bp->bio_resid = csio->resid; 1888 if (csio->resid > 0) 1889 bp->bio_flags |= BIO_ERROR; 1890 } 1891 1892 /* 1893 * Block out any asyncronous callbacks 1894 * while we touch the pending ccb list. 1895 */ 1896 LIST_REMOVE(&done_ccb->ccb_h, periph_links.le); 1897 softc->outstanding_cmds--; 1898 if (softc->outstanding_cmds == 0) 1899 softc->flags |= DA_FLAG_WENT_IDLE; 1900 1901 if ((softc->flags & DA_FLAG_PACK_INVALID) != 0) { 1902 xpt_print(periph->path, "oustanding %d\n", 1903 softc->outstanding_cmds); 1904 } 1905 1906 biodone(bp); 1907 break; 1908 } 1909 case DA_CCB_PROBE: 1910 case DA_CCB_PROBE2: 1911 { 1912 struct scsi_read_capacity_data *rdcap; 1913 struct scsi_read_capacity_data_long *rcaplong; 1914 char announce_buf[80]; 1915 1916 rdcap = NULL; 1917 rcaplong = NULL; 1918 if (softc->state == DA_STATE_PROBE) 1919 rdcap =(struct scsi_read_capacity_data *)csio->data_ptr; 1920 else 1921 rcaplong = (struct scsi_read_capacity_data_long *) 1922 csio->data_ptr; 1923 1924 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 1925 struct disk_params *dp; 1926 uint32_t block_size; 1927 uint64_t maxsector; 1928 u_int lbppbe; /* LB per physical block exponent. */ 1929 u_int lalba; /* Lowest aligned LBA. */ 1930 1931 if (softc->state == DA_STATE_PROBE) { 1932 block_size = scsi_4btoul(rdcap->length); 1933 maxsector = scsi_4btoul(rdcap->addr); 1934 lbppbe = 0; 1935 lalba = 0; 1936 1937 /* 1938 * According to SBC-2, if the standard 10 1939 * byte READ CAPACITY command returns 2^32, 1940 * we should issue the 16 byte version of 1941 * the command, since the device in question 1942 * has more sectors than can be represented 1943 * with the short version of the command. 1944 */ 1945 if (maxsector == 0xffffffff) { 1946 softc->state = DA_STATE_PROBE2; 1947 free(rdcap, M_SCSIDA); 1948 xpt_release_ccb(done_ccb); 1949 xpt_schedule(periph, priority); 1950 return; 1951 } 1952 } else { 1953 block_size = scsi_4btoul(rcaplong->length); 1954 maxsector = scsi_8btou64(rcaplong->addr); 1955 lbppbe = rcaplong->prot_lbppbe & SRC16_LBPPBE; 1956 lalba = scsi_2btoul(rcaplong->lalba_lbp); 1957 } 1958 1959 /* 1960 * Because GEOM code just will panic us if we 1961 * give them an 'illegal' value we'll avoid that 1962 * here. 1963 */ 1964 if (block_size == 0 && maxsector == 0) { 1965 snprintf(announce_buf, sizeof(announce_buf), 1966 "0MB (no media?)"); 1967 } else if (block_size >= MAXPHYS || block_size == 0) { 1968 xpt_print(periph->path, 1969 "unsupportable block size %ju\n", 1970 (uintmax_t) block_size); 1971 announce_buf[0] = '\0'; 1972 cam_periph_invalidate(periph); 1973 } else { 1974 dasetgeom(periph, block_size, maxsector, 1975 lbppbe, lalba & SRC16_LALBA); 1976 if (lalba & SRC16_LBPME) 1977 softc->flags |= DA_FLAG_CAN_LBPME; 1978 else 1979 softc->flags &= ~DA_FLAG_CAN_LBPME; 1980 dp = &softc->params; 1981 snprintf(announce_buf, sizeof(announce_buf), 1982 "%juMB (%ju %u byte sectors: %dH %dS/T " 1983 "%dC)", (uintmax_t) 1984 (((uintmax_t)dp->secsize * 1985 dp->sectors) / (1024*1024)), 1986 (uintmax_t)dp->sectors, 1987 dp->secsize, dp->heads, 1988 dp->secs_per_track, dp->cylinders); 1989 } 1990 } else { 1991 int error; 1992 1993 announce_buf[0] = '\0'; 1994 1995 /* 1996 * Retry any UNIT ATTENTION type errors. They 1997 * are expected at boot. 1998 */ 1999 error = daerror(done_ccb, CAM_RETRY_SELTO, 2000 SF_RETRY_UA|SF_NO_PRINT); 2001 if (error == ERESTART) { 2002 /* 2003 * A retry was scheuled, so 2004 * just return. 2005 */ 2006 return; 2007 } else if (error != 0) { 2008 struct scsi_sense_data *sense; 2009 int asc, ascq; 2010 int sense_key, error_code; 2011 int have_sense; 2012 cam_status status; 2013 struct ccb_getdev cgd; 2014 2015 /* Don't wedge this device's queue */ 2016 status = done_ccb->ccb_h.status; 2017 if ((status & CAM_DEV_QFRZN) != 0) 2018 cam_release_devq(done_ccb->ccb_h.path, 2019 /*relsim_flags*/0, 2020 /*reduction*/0, 2021 /*timeout*/0, 2022 /*getcount_only*/0); 2023 2024 2025 xpt_setup_ccb(&cgd.ccb_h, 2026 done_ccb->ccb_h.path, 2027 CAM_PRIORITY_NORMAL); 2028 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 2029 xpt_action((union ccb *)&cgd); 2030 2031 if (((csio->ccb_h.flags & CAM_SENSE_PHYS) != 0) 2032 || ((csio->ccb_h.flags & CAM_SENSE_PTR) != 0) 2033 || ((status & CAM_AUTOSNS_VALID) == 0)) 2034 have_sense = FALSE; 2035 else 2036 have_sense = TRUE; 2037 2038 if (have_sense) { 2039 sense = &csio->sense_data; 2040 scsi_extract_sense_len(sense, 2041 csio->sense_len - csio->sense_resid, 2042 &error_code, &sense_key, &asc, 2043 &ascq, /*show_errors*/ 1); 2044 } 2045 /* 2046 * If we tried READ CAPACITY(16) and failed, 2047 * fallback to READ CAPACITY(10). 2048 */ 2049 if ((softc->state == DA_STATE_PROBE2) && 2050 (softc->flags & DA_FLAG_CAN_RC16) && 2051 (((csio->ccb_h.status & CAM_STATUS_MASK) == 2052 CAM_REQ_INVALID) || 2053 ((have_sense) && 2054 (error_code == SSD_CURRENT_ERROR) && 2055 (sense_key == SSD_KEY_ILLEGAL_REQUEST)))) { 2056 softc->flags &= ~DA_FLAG_CAN_RC16; 2057 softc->state = DA_STATE_PROBE; 2058 free(rdcap, M_SCSIDA); 2059 xpt_release_ccb(done_ccb); 2060 xpt_schedule(periph, priority); 2061 return; 2062 } else 2063 /* 2064 * Attach to anything that claims to be a 2065 * direct access or optical disk device, 2066 * as long as it doesn't return a "Logical 2067 * unit not supported" (0x25) error. 2068 */ 2069 if ((have_sense) && (asc != 0x25) 2070 && (error_code == SSD_CURRENT_ERROR)) { 2071 const char *sense_key_desc; 2072 const char *asc_desc; 2073 2074 scsi_sense_desc(sense_key, asc, ascq, 2075 &cgd.inq_data, 2076 &sense_key_desc, 2077 &asc_desc); 2078 snprintf(announce_buf, 2079 sizeof(announce_buf), 2080 "Attempt to query device " 2081 "size failed: %s, %s", 2082 sense_key_desc, 2083 asc_desc); 2084 } else { 2085 if (have_sense) 2086 scsi_sense_print( 2087 &done_ccb->csio); 2088 else { 2089 xpt_print(periph->path, 2090 "got CAM status %#x\n", 2091 done_ccb->ccb_h.status); 2092 } 2093 2094 xpt_print(periph->path, "fatal error, " 2095 "failed to attach to device\n"); 2096 2097 /* 2098 * Free up resources. 2099 */ 2100 cam_periph_invalidate(periph); 2101 } 2102 } 2103 } 2104 free(csio->data_ptr, M_SCSIDA); 2105 if (announce_buf[0] != '\0') { 2106 xpt_announce_periph(periph, announce_buf); 2107 /* 2108 * Create our sysctl variables, now that we know 2109 * we have successfully attached. 2110 */ 2111 (void) cam_periph_acquire(periph); /* increase the refcount */ 2112 taskqueue_enqueue(taskqueue_thread,&softc->sysctl_task); 2113 } 2114 softc->state = DA_STATE_NORMAL; 2115 /* 2116 * Since our peripheral may be invalidated by an error 2117 * above or an external event, we must release our CCB 2118 * before releasing the probe lock on the peripheral. 2119 * The peripheral will only go away once the last lock 2120 * is removed, and we need it around for the CCB release 2121 * operation. 2122 */ 2123 xpt_release_ccb(done_ccb); 2124 cam_periph_unhold(periph); 2125 return; 2126 } 2127 case DA_CCB_WAITING: 2128 { 2129 /* Caller will release the CCB */ 2130 wakeup(&done_ccb->ccb_h.cbfcnp); 2131 return; 2132 } 2133 case DA_CCB_DUMP: 2134 /* No-op. We're polling */ 2135 return; 2136 default: 2137 break; 2138 } 2139 xpt_release_ccb(done_ccb); 2140 } 2141 2142 static int 2143 daerror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags) 2144 { 2145 struct da_softc *softc; 2146 struct cam_periph *periph; 2147 int error; 2148 2149 periph = xpt_path_periph(ccb->ccb_h.path); 2150 softc = (struct da_softc *)periph->softc; 2151 2152 /* 2153 * Automatically detect devices that do not support 2154 * READ(6)/WRITE(6) and upgrade to using 10 byte cdbs. 2155 */ 2156 error = 0; 2157 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INVALID) { 2158 error = cmd6workaround(ccb); 2159 } else if (((ccb->ccb_h.status & CAM_STATUS_MASK) == 2160 CAM_SCSI_STATUS_ERROR) 2161 && (ccb->ccb_h.status & CAM_AUTOSNS_VALID) 2162 && (ccb->csio.scsi_status == SCSI_STATUS_CHECK_COND) 2163 && ((ccb->ccb_h.flags & CAM_SENSE_PHYS) == 0) 2164 && ((ccb->ccb_h.flags & CAM_SENSE_PTR) == 0)) { 2165 int sense_key, error_code, asc, ascq; 2166 2167 scsi_extract_sense(&ccb->csio.sense_data, 2168 &error_code, &sense_key, &asc, &ascq); 2169 if (sense_key == SSD_KEY_ILLEGAL_REQUEST) 2170 error = cmd6workaround(ccb); 2171 } 2172 if (error == ERESTART) 2173 return (ERESTART); 2174 2175 /* 2176 * XXX 2177 * Until we have a better way of doing pack validation, 2178 * don't treat UAs as errors. 2179 */ 2180 sense_flags |= SF_RETRY_UA; 2181 return(cam_periph_error(ccb, cam_flags, sense_flags, 2182 &softc->saved_ccb)); 2183 } 2184 2185 static void 2186 daprevent(struct cam_periph *periph, int action) 2187 { 2188 struct da_softc *softc; 2189 union ccb *ccb; 2190 int error; 2191 2192 softc = (struct da_softc *)periph->softc; 2193 2194 if (((action == PR_ALLOW) 2195 && (softc->flags & DA_FLAG_PACK_LOCKED) == 0) 2196 || ((action == PR_PREVENT) 2197 && (softc->flags & DA_FLAG_PACK_LOCKED) != 0)) { 2198 return; 2199 } 2200 2201 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 2202 2203 scsi_prevent(&ccb->csio, 2204 /*retries*/1, 2205 /*cbcfp*/dadone, 2206 MSG_SIMPLE_Q_TAG, 2207 action, 2208 SSD_FULL_SIZE, 2209 5000); 2210 2211 error = cam_periph_runccb(ccb, /*error_routine*/NULL, CAM_RETRY_SELTO, 2212 SF_RETRY_UA, softc->disk->d_devstat); 2213 2214 if (error == 0) { 2215 if (action == PR_ALLOW) 2216 softc->flags &= ~DA_FLAG_PACK_LOCKED; 2217 else 2218 softc->flags |= DA_FLAG_PACK_LOCKED; 2219 } 2220 2221 xpt_release_ccb(ccb); 2222 } 2223 2224 static int 2225 dagetcapacity(struct cam_periph *periph) 2226 { 2227 struct da_softc *softc; 2228 union ccb *ccb; 2229 struct scsi_read_capacity_data *rcap; 2230 struct scsi_read_capacity_data_long *rcaplong; 2231 uint32_t block_len; 2232 uint64_t maxsector; 2233 int error, rc16failed; 2234 u_int32_t sense_flags; 2235 u_int lbppbe; /* Logical blocks per physical block exponent. */ 2236 u_int lalba; /* Lowest aligned LBA. */ 2237 2238 softc = (struct da_softc *)periph->softc; 2239 block_len = 0; 2240 maxsector = 0; 2241 lbppbe = 0; 2242 lalba = 0; 2243 error = 0; 2244 rc16failed = 0; 2245 sense_flags = SF_RETRY_UA; 2246 if (softc->flags & DA_FLAG_PACK_REMOVABLE) 2247 sense_flags |= SF_NO_PRINT; 2248 2249 /* Do a read capacity */ 2250 rcap = (struct scsi_read_capacity_data *)malloc(sizeof(*rcaplong), 2251 M_SCSIDA, 2252 M_NOWAIT | M_ZERO); 2253 if (rcap == NULL) 2254 return (ENOMEM); 2255 rcaplong = (struct scsi_read_capacity_data_long *)rcap; 2256 2257 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 2258 2259 /* Try READ CAPACITY(16) first if we think it should work. */ 2260 if (softc->flags & DA_FLAG_CAN_RC16) { 2261 scsi_read_capacity_16(&ccb->csio, 2262 /*retries*/ 4, 2263 /*cbfcnp*/ dadone, 2264 /*tag_action*/ MSG_SIMPLE_Q_TAG, 2265 /*lba*/ 0, 2266 /*reladr*/ 0, 2267 /*pmi*/ 0, 2268 rcaplong, 2269 /*sense_len*/ SSD_FULL_SIZE, 2270 /*timeout*/ 60000); 2271 ccb->ccb_h.ccb_bp = NULL; 2272 2273 error = cam_periph_runccb(ccb, daerror, 2274 /*cam_flags*/CAM_RETRY_SELTO, 2275 sense_flags, 2276 softc->disk->d_devstat); 2277 if (error == 0) 2278 goto rc16ok; 2279 2280 /* If we got ILLEGAL REQUEST, do not prefer RC16 any more. */ 2281 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == 2282 CAM_REQ_INVALID) { 2283 softc->flags &= ~DA_FLAG_CAN_RC16; 2284 } else if (((ccb->ccb_h.status & CAM_STATUS_MASK) == 2285 CAM_SCSI_STATUS_ERROR) && 2286 (ccb->csio.scsi_status == SCSI_STATUS_CHECK_COND) && 2287 (ccb->ccb_h.status & CAM_AUTOSNS_VALID) && 2288 ((ccb->ccb_h.flags & CAM_SENSE_PHYS) == 0) && 2289 ((ccb->ccb_h.flags & CAM_SENSE_PTR) == 0)) { 2290 int sense_key, error_code, asc, ascq; 2291 2292 scsi_extract_sense(&ccb->csio.sense_data, 2293 &error_code, &sense_key, &asc, &ascq); 2294 if (sense_key == SSD_KEY_ILLEGAL_REQUEST) 2295 softc->flags &= ~DA_FLAG_CAN_RC16; 2296 } 2297 rc16failed = 1; 2298 } 2299 2300 /* Do READ CAPACITY(10). */ 2301 scsi_read_capacity(&ccb->csio, 2302 /*retries*/4, 2303 /*cbfncp*/dadone, 2304 MSG_SIMPLE_Q_TAG, 2305 rcap, 2306 SSD_FULL_SIZE, 2307 /*timeout*/60000); 2308 ccb->ccb_h.ccb_bp = NULL; 2309 2310 error = cam_periph_runccb(ccb, daerror, 2311 /*cam_flags*/CAM_RETRY_SELTO, 2312 sense_flags, 2313 softc->disk->d_devstat); 2314 if (error == 0) { 2315 block_len = scsi_4btoul(rcap->length); 2316 maxsector = scsi_4btoul(rcap->addr); 2317 2318 if (maxsector != 0xffffffff || rc16failed) 2319 goto done; 2320 } else 2321 goto done; 2322 2323 /* If READ CAPACITY(10) returned overflow, use READ CAPACITY(16) */ 2324 scsi_read_capacity_16(&ccb->csio, 2325 /*retries*/ 4, 2326 /*cbfcnp*/ dadone, 2327 /*tag_action*/ MSG_SIMPLE_Q_TAG, 2328 /*lba*/ 0, 2329 /*reladr*/ 0, 2330 /*pmi*/ 0, 2331 rcaplong, 2332 /*sense_len*/ SSD_FULL_SIZE, 2333 /*timeout*/ 60000); 2334 ccb->ccb_h.ccb_bp = NULL; 2335 2336 error = cam_periph_runccb(ccb, daerror, 2337 /*cam_flags*/CAM_RETRY_SELTO, 2338 sense_flags, 2339 softc->disk->d_devstat); 2340 if (error == 0) { 2341 rc16ok: 2342 block_len = scsi_4btoul(rcaplong->length); 2343 maxsector = scsi_8btou64(rcaplong->addr); 2344 lbppbe = rcaplong->prot_lbppbe & SRC16_LBPPBE; 2345 lalba = scsi_2btoul(rcaplong->lalba_lbp); 2346 } 2347 2348 done: 2349 2350 if (error == 0) { 2351 if (block_len >= MAXPHYS || block_len == 0) { 2352 xpt_print(periph->path, 2353 "unsupportable block size %ju\n", 2354 (uintmax_t) block_len); 2355 error = EINVAL; 2356 } else { 2357 dasetgeom(periph, block_len, maxsector, 2358 lbppbe, lalba & SRC16_LALBA); 2359 if (lalba & SRC16_LBPME) 2360 softc->flags |= DA_FLAG_CAN_LBPME; 2361 else 2362 softc->flags &= ~DA_FLAG_CAN_LBPME; 2363 } 2364 } 2365 2366 xpt_release_ccb(ccb); 2367 2368 free(rcap, M_SCSIDA); 2369 2370 return (error); 2371 } 2372 2373 static void 2374 dasetgeom(struct cam_periph *periph, uint32_t block_len, uint64_t maxsector, 2375 u_int lbppbe, u_int lalba) 2376 { 2377 struct ccb_calc_geometry ccg; 2378 struct da_softc *softc; 2379 struct disk_params *dp; 2380 2381 softc = (struct da_softc *)periph->softc; 2382 2383 dp = &softc->params; 2384 dp->secsize = block_len; 2385 dp->sectors = maxsector + 1; 2386 if (lbppbe > 0) { 2387 dp->stripesize = block_len << lbppbe; 2388 dp->stripeoffset = (dp->stripesize - block_len * lalba) % 2389 dp->stripesize; 2390 } else if (softc->quirks & DA_Q_4K) { 2391 dp->stripesize = 4096; 2392 dp->stripeoffset = 0; 2393 } else { 2394 dp->stripesize = 0; 2395 dp->stripeoffset = 0; 2396 } 2397 /* 2398 * Have the controller provide us with a geometry 2399 * for this disk. The only time the geometry 2400 * matters is when we boot and the controller 2401 * is the only one knowledgeable enough to come 2402 * up with something that will make this a bootable 2403 * device. 2404 */ 2405 xpt_setup_ccb(&ccg.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 2406 ccg.ccb_h.func_code = XPT_CALC_GEOMETRY; 2407 ccg.block_size = dp->secsize; 2408 ccg.volume_size = dp->sectors; 2409 ccg.heads = 0; 2410 ccg.secs_per_track = 0; 2411 ccg.cylinders = 0; 2412 xpt_action((union ccb*)&ccg); 2413 if ((ccg.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 2414 /* 2415 * We don't know what went wrong here- but just pick 2416 * a geometry so we don't have nasty things like divide 2417 * by zero. 2418 */ 2419 dp->heads = 255; 2420 dp->secs_per_track = 255; 2421 dp->cylinders = dp->sectors / (255 * 255); 2422 if (dp->cylinders == 0) { 2423 dp->cylinders = 1; 2424 } 2425 } else { 2426 dp->heads = ccg.heads; 2427 dp->secs_per_track = ccg.secs_per_track; 2428 dp->cylinders = ccg.cylinders; 2429 } 2430 } 2431 2432 static void 2433 dasendorderedtag(void *arg) 2434 { 2435 struct da_softc *softc = arg; 2436 2437 if (da_send_ordered) { 2438 if ((softc->ordered_tag_count == 0) 2439 && ((softc->flags & DA_FLAG_WENT_IDLE) == 0)) { 2440 softc->flags |= DA_FLAG_NEED_OTAG; 2441 } 2442 if (softc->outstanding_cmds > 0) 2443 softc->flags &= ~DA_FLAG_WENT_IDLE; 2444 2445 softc->ordered_tag_count = 0; 2446 } 2447 /* Queue us up again */ 2448 callout_reset(&softc->sendordered_c, 2449 (DA_DEFAULT_TIMEOUT * hz) / DA_ORDEREDTAG_INTERVAL, 2450 dasendorderedtag, softc); 2451 } 2452 2453 /* 2454 * Step through all DA peripheral drivers, and if the device is still open, 2455 * sync the disk cache to physical media. 2456 */ 2457 static void 2458 dashutdown(void * arg, int howto) 2459 { 2460 struct cam_periph *periph; 2461 struct da_softc *softc; 2462 2463 TAILQ_FOREACH(periph, &dadriver.units, unit_links) { 2464 union ccb ccb; 2465 2466 cam_periph_lock(periph); 2467 softc = (struct da_softc *)periph->softc; 2468 2469 /* 2470 * We only sync the cache if the drive is still open, and 2471 * if the drive is capable of it.. 2472 */ 2473 if (((softc->flags & DA_FLAG_OPEN) == 0) 2474 || (softc->quirks & DA_Q_NO_SYNC_CACHE)) { 2475 cam_periph_unlock(periph); 2476 continue; 2477 } 2478 2479 xpt_setup_ccb(&ccb.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 2480 2481 ccb.ccb_h.ccb_state = DA_CCB_DUMP; 2482 scsi_synchronize_cache(&ccb.csio, 2483 /*retries*/1, 2484 /*cbfcnp*/dadone, 2485 MSG_SIMPLE_Q_TAG, 2486 /*begin_lba*/0, /* whole disk */ 2487 /*lb_count*/0, 2488 SSD_FULL_SIZE, 2489 60 * 60 * 1000); 2490 2491 xpt_polled_action(&ccb); 2492 2493 if ((ccb.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 2494 if (((ccb.ccb_h.status & CAM_STATUS_MASK) == 2495 CAM_SCSI_STATUS_ERROR) 2496 && (ccb.csio.scsi_status == SCSI_STATUS_CHECK_COND)){ 2497 int error_code, sense_key, asc, ascq; 2498 2499 scsi_extract_sense(&ccb.csio.sense_data, 2500 &error_code, &sense_key, 2501 &asc, &ascq); 2502 2503 if (sense_key != SSD_KEY_ILLEGAL_REQUEST) 2504 scsi_sense_print(&ccb.csio); 2505 } else { 2506 xpt_print(periph->path, "Synchronize " 2507 "cache failed, status == 0x%x, scsi status " 2508 "== 0x%x\n", ccb.ccb_h.status, 2509 ccb.csio.scsi_status); 2510 } 2511 } 2512 2513 if ((ccb.ccb_h.status & CAM_DEV_QFRZN) != 0) 2514 cam_release_devq(ccb.ccb_h.path, 2515 /*relsim_flags*/0, 2516 /*reduction*/0, 2517 /*timeout*/0, 2518 /*getcount_only*/0); 2519 cam_periph_unlock(periph); 2520 } 2521 } 2522 2523 #else /* !_KERNEL */ 2524 2525 /* 2526 * XXX This is only left out of the kernel build to silence warnings. If, 2527 * for some reason this function is used in the kernel, the ifdefs should 2528 * be moved so it is included both in the kernel and userland. 2529 */ 2530 void 2531 scsi_format_unit(struct ccb_scsiio *csio, u_int32_t retries, 2532 void (*cbfcnp)(struct cam_periph *, union ccb *), 2533 u_int8_t tag_action, u_int8_t byte2, u_int16_t ileave, 2534 u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len, 2535 u_int32_t timeout) 2536 { 2537 struct scsi_format_unit *scsi_cmd; 2538 2539 scsi_cmd = (struct scsi_format_unit *)&csio->cdb_io.cdb_bytes; 2540 scsi_cmd->opcode = FORMAT_UNIT; 2541 scsi_cmd->byte2 = byte2; 2542 scsi_ulto2b(ileave, scsi_cmd->interleave); 2543 2544 cam_fill_csio(csio, 2545 retries, 2546 cbfcnp, 2547 /*flags*/ (dxfer_len > 0) ? CAM_DIR_OUT : CAM_DIR_NONE, 2548 tag_action, 2549 data_ptr, 2550 dxfer_len, 2551 sense_len, 2552 sizeof(*scsi_cmd), 2553 timeout); 2554 } 2555 2556 #endif /* _KERNEL */ 2557