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 if ((ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 994 cam_release_devq(ccb->ccb_h.path, 995 /*relsim_flags*/0, 996 /*reduction*/0, 997 /*timeout*/0, 998 /*getcount_only*/0); 999 1000 xpt_release_ccb(ccb); 1001 1002 } 1003 1004 if ((softc->flags & DA_FLAG_PACK_REMOVABLE) != 0) { 1005 if ((softc->quirks & DA_Q_NO_PREVENT) == 0) 1006 daprevent(periph, PR_ALLOW); 1007 /* 1008 * If we've got removeable media, mark the blocksize as 1009 * unavailable, since it could change when new media is 1010 * inserted. 1011 */ 1012 softc->disk->d_devstat->flags |= DEVSTAT_BS_UNAVAILABLE; 1013 } 1014 1015 softc->flags &= ~DA_FLAG_OPEN; 1016 cam_periph_unhold(periph); 1017 cam_periph_unlock(periph); 1018 cam_periph_release(periph); 1019 return (0); 1020 } 1021 1022 /* 1023 * Actually translate the requested transfer into one the physical driver 1024 * can understand. The transfer is described by a buf and will include 1025 * only one physical transfer. 1026 */ 1027 static void 1028 dastrategy(struct bio *bp) 1029 { 1030 struct cam_periph *periph; 1031 struct da_softc *softc; 1032 1033 periph = (struct cam_periph *)bp->bio_disk->d_drv1; 1034 if (periph == NULL) { 1035 biofinish(bp, NULL, ENXIO); 1036 return; 1037 } 1038 softc = (struct da_softc *)periph->softc; 1039 1040 cam_periph_lock(periph); 1041 1042 /* 1043 * If the device has been made invalid, error out 1044 */ 1045 if ((softc->flags & DA_FLAG_PACK_INVALID)) { 1046 cam_periph_unlock(periph); 1047 biofinish(bp, NULL, ENXIO); 1048 return; 1049 } 1050 1051 /* 1052 * Place it in the queue of disk activities for this disk 1053 */ 1054 bioq_disksort(&softc->bio_queue, bp); 1055 1056 /* 1057 * Schedule ourselves for performing the work. 1058 */ 1059 xpt_schedule(periph, CAM_PRIORITY_NORMAL); 1060 cam_periph_unlock(periph); 1061 1062 return; 1063 } 1064 1065 static int 1066 dadump(void *arg, void *virtual, vm_offset_t physical, off_t offset, size_t length) 1067 { 1068 struct cam_periph *periph; 1069 struct da_softc *softc; 1070 u_int secsize; 1071 struct ccb_scsiio csio; 1072 struct disk *dp; 1073 1074 dp = arg; 1075 periph = dp->d_drv1; 1076 if (periph == NULL) 1077 return (ENXIO); 1078 softc = (struct da_softc *)periph->softc; 1079 cam_periph_lock(periph); 1080 secsize = softc->params.secsize; 1081 1082 if ((softc->flags & DA_FLAG_PACK_INVALID) != 0) { 1083 cam_periph_unlock(periph); 1084 return (ENXIO); 1085 } 1086 1087 if (length > 0) { 1088 xpt_setup_ccb(&csio.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 1089 csio.ccb_h.ccb_state = DA_CCB_DUMP; 1090 scsi_read_write(&csio, 1091 /*retries*/1, 1092 dadone, 1093 MSG_ORDERED_Q_TAG, 1094 /*read*/FALSE, 1095 /*byte2*/0, 1096 /*minimum_cmd_size*/ softc->minimum_cmd_size, 1097 offset / secsize, 1098 length / secsize, 1099 /*data_ptr*/(u_int8_t *) virtual, 1100 /*dxfer_len*/length, 1101 /*sense_len*/SSD_FULL_SIZE, 1102 DA_DEFAULT_TIMEOUT * 1000); 1103 xpt_polled_action((union ccb *)&csio); 1104 1105 if ((csio.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1106 printf("Aborting dump due to I/O error.\n"); 1107 if ((csio.ccb_h.status & CAM_STATUS_MASK) == 1108 CAM_SCSI_STATUS_ERROR) 1109 scsi_sense_print(&csio); 1110 else 1111 printf("status == 0x%x, scsi status == 0x%x\n", 1112 csio.ccb_h.status, csio.scsi_status); 1113 return(EIO); 1114 } 1115 cam_periph_unlock(periph); 1116 return(0); 1117 } 1118 1119 /* 1120 * Sync the disk cache contents to the physical media. 1121 */ 1122 if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) { 1123 1124 xpt_setup_ccb(&csio.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 1125 csio.ccb_h.ccb_state = DA_CCB_DUMP; 1126 scsi_synchronize_cache(&csio, 1127 /*retries*/1, 1128 /*cbfcnp*/dadone, 1129 MSG_SIMPLE_Q_TAG, 1130 /*begin_lba*/0,/* Cover the whole disk */ 1131 /*lb_count*/0, 1132 SSD_FULL_SIZE, 1133 5 * 60 * 1000); 1134 xpt_polled_action((union ccb *)&csio); 1135 1136 if ((csio.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1137 if ((csio.ccb_h.status & CAM_STATUS_MASK) == 1138 CAM_SCSI_STATUS_ERROR) { 1139 int asc, ascq; 1140 int sense_key, error_code; 1141 1142 scsi_extract_sense_len(&csio.sense_data, 1143 csio.sense_len - csio.sense_resid, 1144 &error_code, &sense_key, &asc, &ascq, 1145 /*show_errors*/ 1); 1146 if (sense_key != SSD_KEY_ILLEGAL_REQUEST) 1147 scsi_sense_print(&csio); 1148 } else { 1149 xpt_print(periph->path, "Synchronize cache " 1150 "failed, status == 0x%x, scsi status == " 1151 "0x%x\n", csio.ccb_h.status, 1152 csio.scsi_status); 1153 } 1154 } 1155 } 1156 cam_periph_unlock(periph); 1157 return (0); 1158 } 1159 1160 static int 1161 dagetattr(struct bio *bp) 1162 { 1163 int ret = -1; 1164 struct cam_periph *periph; 1165 1166 if (bp->bio_disk == NULL || bp->bio_disk->d_drv1 == NULL) 1167 return ENXIO; 1168 periph = (struct cam_periph *)bp->bio_disk->d_drv1; 1169 if (periph->path == NULL) 1170 return ENXIO; 1171 1172 ret = xpt_getattr(bp->bio_data, bp->bio_length, bp->bio_attribute, 1173 periph->path); 1174 if (ret == 0) 1175 bp->bio_completed = bp->bio_length; 1176 return ret; 1177 } 1178 1179 static void 1180 dainit(void) 1181 { 1182 cam_status status; 1183 1184 /* 1185 * Install a global async callback. This callback will 1186 * receive async callbacks like "new device found". 1187 */ 1188 status = xpt_register_async(AC_FOUND_DEVICE, daasync, NULL, NULL); 1189 1190 if (status != CAM_REQ_CMP) { 1191 printf("da: Failed to attach master async callback " 1192 "due to status 0x%x!\n", status); 1193 } else if (da_send_ordered) { 1194 1195 /* Register our shutdown event handler */ 1196 if ((EVENTHANDLER_REGISTER(shutdown_post_sync, dashutdown, 1197 NULL, SHUTDOWN_PRI_DEFAULT)) == NULL) 1198 printf("dainit: shutdown event registration failed!\n"); 1199 } 1200 } 1201 1202 static void 1203 daoninvalidate(struct cam_periph *periph) 1204 { 1205 struct da_softc *softc; 1206 1207 softc = (struct da_softc *)periph->softc; 1208 1209 /* 1210 * De-register any async callbacks. 1211 */ 1212 xpt_register_async(0, daasync, periph, periph->path); 1213 1214 softc->flags |= DA_FLAG_PACK_INVALID; 1215 1216 /* 1217 * Return all queued I/O with ENXIO. 1218 * XXX Handle any transactions queued to the card 1219 * with XPT_ABORT_CCB. 1220 */ 1221 bioq_flush(&softc->bio_queue, NULL, ENXIO); 1222 1223 disk_gone(softc->disk); 1224 xpt_print(periph->path, "lost device - %d outstanding\n", 1225 softc->outstanding_cmds); 1226 } 1227 1228 static void 1229 dacleanup(struct cam_periph *periph) 1230 { 1231 struct da_softc *softc; 1232 1233 softc = (struct da_softc *)periph->softc; 1234 1235 xpt_print(periph->path, "removing device entry\n"); 1236 cam_periph_unlock(periph); 1237 1238 /* 1239 * If we can't free the sysctl tree, oh well... 1240 */ 1241 if ((softc->flags & DA_FLAG_SCTX_INIT) != 0 1242 && sysctl_ctx_free(&softc->sysctl_ctx) != 0) { 1243 xpt_print(periph->path, "can't remove sysctl context\n"); 1244 } 1245 1246 disk_destroy(softc->disk); 1247 callout_drain(&softc->sendordered_c); 1248 free(softc, M_DEVBUF); 1249 cam_periph_lock(periph); 1250 } 1251 1252 static void 1253 daasync(void *callback_arg, u_int32_t code, 1254 struct cam_path *path, void *arg) 1255 { 1256 struct cam_periph *periph; 1257 1258 periph = (struct cam_periph *)callback_arg; 1259 switch (code) { 1260 case AC_FOUND_DEVICE: 1261 { 1262 struct ccb_getdev *cgd; 1263 cam_status status; 1264 1265 cgd = (struct ccb_getdev *)arg; 1266 if (cgd == NULL) 1267 break; 1268 1269 if (cgd->protocol != PROTO_SCSI) 1270 break; 1271 1272 if (SID_TYPE(&cgd->inq_data) != T_DIRECT 1273 && SID_TYPE(&cgd->inq_data) != T_RBC 1274 && SID_TYPE(&cgd->inq_data) != T_OPTICAL) 1275 break; 1276 1277 /* 1278 * Allocate a peripheral instance for 1279 * this device and start the probe 1280 * process. 1281 */ 1282 status = cam_periph_alloc(daregister, daoninvalidate, 1283 dacleanup, dastart, 1284 "da", CAM_PERIPH_BIO, 1285 cgd->ccb_h.path, daasync, 1286 AC_FOUND_DEVICE, cgd); 1287 1288 if (status != CAM_REQ_CMP 1289 && status != CAM_REQ_INPROG) 1290 printf("daasync: Unable to attach to new device " 1291 "due to status 0x%x\n", status); 1292 return; 1293 } 1294 case AC_ADVINFO_CHANGED: 1295 { 1296 uintptr_t buftype; 1297 1298 buftype = (uintptr_t)arg; 1299 if (buftype == CDAI_TYPE_PHYS_PATH) { 1300 struct da_softc *softc; 1301 1302 softc = periph->softc; 1303 disk_attr_changed(softc->disk, "GEOM::physpath", 1304 M_NOWAIT); 1305 } 1306 break; 1307 } 1308 case AC_SENT_BDR: 1309 case AC_BUS_RESET: 1310 { 1311 struct da_softc *softc; 1312 struct ccb_hdr *ccbh; 1313 1314 softc = (struct da_softc *)periph->softc; 1315 /* 1316 * Don't fail on the expected unit attention 1317 * that will occur. 1318 */ 1319 softc->flags |= DA_FLAG_RETRY_UA; 1320 LIST_FOREACH(ccbh, &softc->pending_ccbs, periph_links.le) 1321 ccbh->ccb_state |= DA_CCB_RETRY_UA; 1322 break; 1323 } 1324 default: 1325 break; 1326 } 1327 cam_periph_async(periph, code, path, arg); 1328 } 1329 1330 static void 1331 dasysctlinit(void *context, int pending) 1332 { 1333 struct cam_periph *periph; 1334 struct da_softc *softc; 1335 char tmpstr[80], tmpstr2[80]; 1336 struct ccb_trans_settings cts; 1337 1338 periph = (struct cam_periph *)context; 1339 /* 1340 * periph was held for us when this task was enqueued 1341 */ 1342 if (periph->flags & CAM_PERIPH_INVALID) { 1343 cam_periph_release(periph); 1344 return; 1345 } 1346 1347 softc = (struct da_softc *)periph->softc; 1348 snprintf(tmpstr, sizeof(tmpstr), "CAM DA unit %d", periph->unit_number); 1349 snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number); 1350 1351 sysctl_ctx_init(&softc->sysctl_ctx); 1352 softc->flags |= DA_FLAG_SCTX_INIT; 1353 softc->sysctl_tree = SYSCTL_ADD_NODE(&softc->sysctl_ctx, 1354 SYSCTL_STATIC_CHILDREN(_kern_cam_da), OID_AUTO, tmpstr2, 1355 CTLFLAG_RD, 0, tmpstr); 1356 if (softc->sysctl_tree == NULL) { 1357 printf("dasysctlinit: unable to allocate sysctl tree\n"); 1358 cam_periph_release(periph); 1359 return; 1360 } 1361 1362 /* 1363 * Now register the sysctl handler, so the user can change the value on 1364 * the fly. 1365 */ 1366 SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1367 OID_AUTO, "minimum_cmd_size", CTLTYPE_INT | CTLFLAG_RW, 1368 &softc->minimum_cmd_size, 0, dacmdsizesysctl, "I", 1369 "Minimum CDB size"); 1370 1371 /* 1372 * Add some addressing info. 1373 */ 1374 memset(&cts, 0, sizeof (cts)); 1375 xpt_setup_ccb(&cts.ccb_h, periph->path, /*priority*/1); 1376 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 1377 cts.type = CTS_TYPE_CURRENT_SETTINGS; 1378 cam_periph_lock(periph); 1379 xpt_action((union ccb *)&cts); 1380 cam_periph_unlock(periph); 1381 if (cts.ccb_h.status != CAM_REQ_CMP) { 1382 cam_periph_release(periph); 1383 return; 1384 } 1385 if (cts.protocol == PROTO_SCSI && cts.transport == XPORT_FC) { 1386 struct ccb_trans_settings_fc *fc = &cts.xport_specific.fc; 1387 if (fc->valid & CTS_FC_VALID_WWPN) { 1388 softc->wwpn = fc->wwpn; 1389 SYSCTL_ADD_UQUAD(&softc->sysctl_ctx, 1390 SYSCTL_CHILDREN(softc->sysctl_tree), 1391 OID_AUTO, "wwpn", CTLFLAG_RD, 1392 &softc->wwpn, "World Wide Port Name"); 1393 } 1394 } 1395 cam_periph_release(periph); 1396 } 1397 1398 static int 1399 dacmdsizesysctl(SYSCTL_HANDLER_ARGS) 1400 { 1401 int error, value; 1402 1403 value = *(int *)arg1; 1404 1405 error = sysctl_handle_int(oidp, &value, 0, req); 1406 1407 if ((error != 0) 1408 || (req->newptr == NULL)) 1409 return (error); 1410 1411 /* 1412 * Acceptable values here are 6, 10, 12 or 16. 1413 */ 1414 if (value < 6) 1415 value = 6; 1416 else if ((value > 6) 1417 && (value <= 10)) 1418 value = 10; 1419 else if ((value > 10) 1420 && (value <= 12)) 1421 value = 12; 1422 else if (value > 12) 1423 value = 16; 1424 1425 *(int *)arg1 = value; 1426 1427 return (0); 1428 } 1429 1430 static cam_status 1431 daregister(struct cam_periph *periph, void *arg) 1432 { 1433 struct da_softc *softc; 1434 struct ccb_pathinq cpi; 1435 struct ccb_getdev *cgd; 1436 char tmpstr[80]; 1437 caddr_t match; 1438 1439 cgd = (struct ccb_getdev *)arg; 1440 if (periph == NULL) { 1441 printf("daregister: periph was NULL!!\n"); 1442 return(CAM_REQ_CMP_ERR); 1443 } 1444 1445 if (cgd == NULL) { 1446 printf("daregister: no getdev CCB, can't register device\n"); 1447 return(CAM_REQ_CMP_ERR); 1448 } 1449 1450 softc = (struct da_softc *)malloc(sizeof(*softc), M_DEVBUF, 1451 M_NOWAIT|M_ZERO); 1452 1453 if (softc == NULL) { 1454 printf("daregister: Unable to probe new device. " 1455 "Unable to allocate softc\n"); 1456 return(CAM_REQ_CMP_ERR); 1457 } 1458 1459 LIST_INIT(&softc->pending_ccbs); 1460 softc->state = DA_STATE_PROBE; 1461 bioq_init(&softc->bio_queue); 1462 if (SID_IS_REMOVABLE(&cgd->inq_data)) 1463 softc->flags |= DA_FLAG_PACK_REMOVABLE; 1464 if ((cgd->inq_data.flags & SID_CmdQue) != 0) 1465 softc->flags |= DA_FLAG_TAGGED_QUEUING; 1466 1467 periph->softc = softc; 1468 1469 /* 1470 * See if this device has any quirks. 1471 */ 1472 match = cam_quirkmatch((caddr_t)&cgd->inq_data, 1473 (caddr_t)da_quirk_table, 1474 sizeof(da_quirk_table)/sizeof(*da_quirk_table), 1475 sizeof(*da_quirk_table), scsi_inquiry_match); 1476 1477 if (match != NULL) 1478 softc->quirks = ((struct da_quirk_entry *)match)->quirks; 1479 else 1480 softc->quirks = DA_Q_NONE; 1481 1482 /* Check if the SIM does not want 6 byte commands */ 1483 bzero(&cpi, sizeof(cpi)); 1484 xpt_setup_ccb(&cpi.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 1485 cpi.ccb_h.func_code = XPT_PATH_INQ; 1486 xpt_action((union ccb *)&cpi); 1487 if (cpi.ccb_h.status == CAM_REQ_CMP && (cpi.hba_misc & PIM_NO_6_BYTE)) 1488 softc->quirks |= DA_Q_NO_6_BYTE; 1489 1490 TASK_INIT(&softc->sysctl_task, 0, dasysctlinit, periph); 1491 1492 /* 1493 * Take an exclusive refcount on the periph while dastart is called 1494 * to finish the probe. The reference will be dropped in dadone at 1495 * the end of probe. 1496 */ 1497 (void)cam_periph_hold(periph, PRIBIO); 1498 1499 /* 1500 * Schedule a periodic event to occasionally send an 1501 * ordered tag to a device. 1502 */ 1503 callout_init_mtx(&softc->sendordered_c, periph->sim->mtx, 0); 1504 callout_reset(&softc->sendordered_c, 1505 (DA_DEFAULT_TIMEOUT * hz) / DA_ORDEREDTAG_INTERVAL, 1506 dasendorderedtag, softc); 1507 1508 mtx_unlock(periph->sim->mtx); 1509 /* 1510 * RBC devices don't have to support READ(6), only READ(10). 1511 */ 1512 if (softc->quirks & DA_Q_NO_6_BYTE || SID_TYPE(&cgd->inq_data) == T_RBC) 1513 softc->minimum_cmd_size = 10; 1514 else 1515 softc->minimum_cmd_size = 6; 1516 1517 /* 1518 * Load the user's default, if any. 1519 */ 1520 snprintf(tmpstr, sizeof(tmpstr), "kern.cam.da.%d.minimum_cmd_size", 1521 periph->unit_number); 1522 TUNABLE_INT_FETCH(tmpstr, &softc->minimum_cmd_size); 1523 1524 /* 1525 * 6, 10, 12 and 16 are the currently permissible values. 1526 */ 1527 if (softc->minimum_cmd_size < 6) 1528 softc->minimum_cmd_size = 6; 1529 else if ((softc->minimum_cmd_size > 6) 1530 && (softc->minimum_cmd_size <= 10)) 1531 softc->minimum_cmd_size = 10; 1532 else if ((softc->minimum_cmd_size > 10) 1533 && (softc->minimum_cmd_size <= 12)) 1534 softc->minimum_cmd_size = 12; 1535 else if (softc->minimum_cmd_size > 12) 1536 softc->minimum_cmd_size = 16; 1537 1538 /* Predict whether device may support READ CAPACITY(16). */ 1539 if (SID_ANSI_REV(&cgd->inq_data) >= SCSI_REV_SPC3 || 1540 (SID_ANSI_REV(&cgd->inq_data) >= SCSI_REV_SPC && 1541 (cgd->inq_data.spc3_flags & SPC3_SID_PROTECT))) { 1542 softc->flags |= DA_FLAG_CAN_RC16; 1543 softc->state = DA_STATE_PROBE2; 1544 } 1545 1546 /* 1547 * Register this media as a disk. 1548 */ 1549 softc->disk = disk_alloc(); 1550 softc->disk->d_devstat = devstat_new_entry(periph->periph_name, 1551 periph->unit_number, 0, 1552 DEVSTAT_BS_UNAVAILABLE, 1553 SID_TYPE(&cgd->inq_data) | 1554 XPORT_DEVSTAT_TYPE(cpi.transport), 1555 DEVSTAT_PRIORITY_DISK); 1556 softc->disk->d_open = daopen; 1557 softc->disk->d_close = daclose; 1558 softc->disk->d_strategy = dastrategy; 1559 softc->disk->d_dump = dadump; 1560 softc->disk->d_getattr = dagetattr; 1561 softc->disk->d_name = "da"; 1562 softc->disk->d_drv1 = periph; 1563 if (cpi.maxio == 0) 1564 softc->disk->d_maxsize = DFLTPHYS; /* traditional default */ 1565 else if (cpi.maxio > MAXPHYS) 1566 softc->disk->d_maxsize = MAXPHYS; /* for safety */ 1567 else 1568 softc->disk->d_maxsize = cpi.maxio; 1569 softc->disk->d_unit = periph->unit_number; 1570 softc->disk->d_flags = 0; 1571 if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) 1572 softc->disk->d_flags |= DISKFLAG_CANFLUSHCACHE; 1573 cam_strvis(softc->disk->d_descr, cgd->inq_data.vendor, 1574 sizeof(cgd->inq_data.vendor), sizeof(softc->disk->d_descr)); 1575 strlcat(softc->disk->d_descr, " ", sizeof(softc->disk->d_descr)); 1576 cam_strvis(&softc->disk->d_descr[strlen(softc->disk->d_descr)], 1577 cgd->inq_data.product, sizeof(cgd->inq_data.product), 1578 sizeof(softc->disk->d_descr) - strlen(softc->disk->d_descr)); 1579 softc->disk->d_hba_vendor = cpi.hba_vendor; 1580 softc->disk->d_hba_device = cpi.hba_device; 1581 softc->disk->d_hba_subvendor = cpi.hba_subvendor; 1582 softc->disk->d_hba_subdevice = cpi.hba_subdevice; 1583 disk_create(softc->disk, DISK_VERSION); 1584 mtx_lock(periph->sim->mtx); 1585 1586 /* 1587 * Add async callbacks for events of interest. 1588 * I don't bother checking if this fails as, 1589 * in most cases, the system will function just 1590 * fine without them and the only alternative 1591 * would be to not attach the device on failure. 1592 */ 1593 xpt_register_async(AC_SENT_BDR | AC_BUS_RESET 1594 | AC_LOST_DEVICE | AC_ADVINFO_CHANGED, 1595 daasync, periph, periph->path); 1596 1597 /* 1598 * Emit an attribute changed notification just in case 1599 * physical path information arrived before our async 1600 * event handler was registered, but after anyone attaching 1601 * to our disk device polled it. 1602 */ 1603 disk_attr_changed(softc->disk, "GEOM::physpath", M_NOWAIT); 1604 1605 xpt_schedule(periph, CAM_PRIORITY_DEV); 1606 1607 return(CAM_REQ_CMP); 1608 } 1609 1610 static void 1611 dastart(struct cam_periph *periph, union ccb *start_ccb) 1612 { 1613 struct da_softc *softc; 1614 1615 softc = (struct da_softc *)periph->softc; 1616 1617 switch (softc->state) { 1618 case DA_STATE_NORMAL: 1619 { 1620 /* Pull a buffer from the queue and get going on it */ 1621 struct bio *bp; 1622 1623 /* 1624 * See if there is a buf with work for us to do.. 1625 */ 1626 bp = bioq_first(&softc->bio_queue); 1627 if (periph->immediate_priority <= periph->pinfo.priority) { 1628 CAM_DEBUG_PRINT(CAM_DEBUG_SUBTRACE, 1629 ("queuing for immediate ccb\n")); 1630 start_ccb->ccb_h.ccb_state = DA_CCB_WAITING; 1631 SLIST_INSERT_HEAD(&periph->ccb_list, &start_ccb->ccb_h, 1632 periph_links.sle); 1633 periph->immediate_priority = CAM_PRIORITY_NONE; 1634 wakeup(&periph->ccb_list); 1635 } else if (bp == NULL) { 1636 xpt_release_ccb(start_ccb); 1637 } else { 1638 u_int8_t tag_code; 1639 1640 bioq_remove(&softc->bio_queue, bp); 1641 1642 if ((bp->bio_flags & BIO_ORDERED) != 0 1643 || (softc->flags & DA_FLAG_NEED_OTAG) != 0) { 1644 softc->flags &= ~DA_FLAG_NEED_OTAG; 1645 softc->ordered_tag_count++; 1646 tag_code = MSG_ORDERED_Q_TAG; 1647 } else { 1648 tag_code = MSG_SIMPLE_Q_TAG; 1649 } 1650 switch (bp->bio_cmd) { 1651 case BIO_READ: 1652 case BIO_WRITE: 1653 scsi_read_write(&start_ccb->csio, 1654 /*retries*/da_retry_count, 1655 /*cbfcnp*/dadone, 1656 /*tag_action*/tag_code, 1657 /*read_op*/bp->bio_cmd 1658 == BIO_READ, 1659 /*byte2*/0, 1660 softc->minimum_cmd_size, 1661 /*lba*/bp->bio_pblkno, 1662 /*block_count*/bp->bio_bcount / 1663 softc->params.secsize, 1664 /*data_ptr*/ bp->bio_data, 1665 /*dxfer_len*/ bp->bio_bcount, 1666 /*sense_len*/SSD_FULL_SIZE, 1667 da_default_timeout * 1000); 1668 break; 1669 case BIO_FLUSH: 1670 /* 1671 * BIO_FLUSH doesn't currently communicate 1672 * range data, so we synchronize the cache 1673 * over the whole disk. We also force 1674 * ordered tag semantics the flush applies 1675 * to all previously queued I/O. 1676 */ 1677 scsi_synchronize_cache(&start_ccb->csio, 1678 /*retries*/1, 1679 /*cbfcnp*/dadone, 1680 MSG_ORDERED_Q_TAG, 1681 /*begin_lba*/0, 1682 /*lb_count*/0, 1683 SSD_FULL_SIZE, 1684 da_default_timeout*1000); 1685 break; 1686 } 1687 start_ccb->ccb_h.ccb_state = DA_CCB_BUFFER_IO; 1688 1689 /* 1690 * Block out any asyncronous callbacks 1691 * while we touch the pending ccb list. 1692 */ 1693 LIST_INSERT_HEAD(&softc->pending_ccbs, 1694 &start_ccb->ccb_h, periph_links.le); 1695 softc->outstanding_cmds++; 1696 1697 /* We expect a unit attention from this device */ 1698 if ((softc->flags & DA_FLAG_RETRY_UA) != 0) { 1699 start_ccb->ccb_h.ccb_state |= DA_CCB_RETRY_UA; 1700 softc->flags &= ~DA_FLAG_RETRY_UA; 1701 } 1702 1703 start_ccb->ccb_h.ccb_bp = bp; 1704 bp = bioq_first(&softc->bio_queue); 1705 1706 xpt_action(start_ccb); 1707 } 1708 1709 if (bp != NULL) { 1710 /* Have more work to do, so ensure we stay scheduled */ 1711 xpt_schedule(periph, CAM_PRIORITY_NORMAL); 1712 } 1713 break; 1714 } 1715 case DA_STATE_PROBE: 1716 { 1717 struct ccb_scsiio *csio; 1718 struct scsi_read_capacity_data *rcap; 1719 1720 rcap = (struct scsi_read_capacity_data *) 1721 malloc(sizeof(*rcap), M_SCSIDA, M_NOWAIT|M_ZERO); 1722 if (rcap == NULL) { 1723 printf("dastart: Couldn't malloc read_capacity data\n"); 1724 /* da_free_periph??? */ 1725 break; 1726 } 1727 csio = &start_ccb->csio; 1728 scsi_read_capacity(csio, 1729 /*retries*/4, 1730 dadone, 1731 MSG_SIMPLE_Q_TAG, 1732 rcap, 1733 SSD_FULL_SIZE, 1734 /*timeout*/5000); 1735 start_ccb->ccb_h.ccb_bp = NULL; 1736 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE; 1737 xpt_action(start_ccb); 1738 break; 1739 } 1740 case DA_STATE_PROBE2: 1741 { 1742 struct ccb_scsiio *csio; 1743 struct scsi_read_capacity_data_long *rcaplong; 1744 1745 rcaplong = (struct scsi_read_capacity_data_long *) 1746 malloc(sizeof(*rcaplong), M_SCSIDA, M_NOWAIT|M_ZERO); 1747 if (rcaplong == NULL) { 1748 printf("dastart: Couldn't malloc read_capacity data\n"); 1749 /* da_free_periph??? */ 1750 break; 1751 } 1752 csio = &start_ccb->csio; 1753 scsi_read_capacity_16(csio, 1754 /*retries*/ 4, 1755 /*cbfcnp*/ dadone, 1756 /*tag_action*/ MSG_SIMPLE_Q_TAG, 1757 /*lba*/ 0, 1758 /*reladr*/ 0, 1759 /*pmi*/ 0, 1760 rcaplong, 1761 /*sense_len*/ SSD_FULL_SIZE, 1762 /*timeout*/ 60000); 1763 start_ccb->ccb_h.ccb_bp = NULL; 1764 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE2; 1765 xpt_action(start_ccb); 1766 break; 1767 } 1768 } 1769 } 1770 1771 static int 1772 cmd6workaround(union ccb *ccb) 1773 { 1774 struct scsi_rw_6 cmd6; 1775 struct scsi_rw_10 *cmd10; 1776 struct da_softc *softc; 1777 u_int8_t *cdb; 1778 int frozen; 1779 1780 cdb = ccb->csio.cdb_io.cdb_bytes; 1781 1782 /* Translation only possible if CDB is an array and cmd is R/W6 */ 1783 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0 || 1784 (*cdb != READ_6 && *cdb != WRITE_6)) 1785 return 0; 1786 1787 xpt_print(ccb->ccb_h.path, "READ(6)/WRITE(6) not supported, " 1788 "increasing minimum_cmd_size to 10.\n"); 1789 softc = (struct da_softc *)xpt_path_periph(ccb->ccb_h.path)->softc; 1790 softc->minimum_cmd_size = 10; 1791 1792 bcopy(cdb, &cmd6, sizeof(struct scsi_rw_6)); 1793 cmd10 = (struct scsi_rw_10 *)cdb; 1794 cmd10->opcode = (cmd6.opcode == READ_6) ? READ_10 : WRITE_10; 1795 cmd10->byte2 = 0; 1796 scsi_ulto4b(scsi_3btoul(cmd6.addr), cmd10->addr); 1797 cmd10->reserved = 0; 1798 scsi_ulto2b(cmd6.length, cmd10->length); 1799 cmd10->control = cmd6.control; 1800 ccb->csio.cdb_len = sizeof(*cmd10); 1801 1802 /* Requeue request, unfreezing queue if necessary */ 1803 frozen = (ccb->ccb_h.status & CAM_DEV_QFRZN) != 0; 1804 ccb->ccb_h.status = CAM_REQUEUE_REQ; 1805 xpt_action(ccb); 1806 if (frozen) { 1807 cam_release_devq(ccb->ccb_h.path, 1808 /*relsim_flags*/0, 1809 /*reduction*/0, 1810 /*timeout*/0, 1811 /*getcount_only*/0); 1812 } 1813 return (ERESTART); 1814 } 1815 1816 static void 1817 dadone(struct cam_periph *periph, union ccb *done_ccb) 1818 { 1819 struct da_softc *softc; 1820 struct ccb_scsiio *csio; 1821 u_int32_t priority; 1822 1823 softc = (struct da_softc *)periph->softc; 1824 priority = done_ccb->ccb_h.pinfo.priority; 1825 csio = &done_ccb->csio; 1826 switch (csio->ccb_h.ccb_state & DA_CCB_TYPE_MASK) { 1827 case DA_CCB_BUFFER_IO: 1828 { 1829 struct bio *bp; 1830 1831 bp = (struct bio *)done_ccb->ccb_h.ccb_bp; 1832 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1833 int error; 1834 int sf; 1835 1836 if ((csio->ccb_h.ccb_state & DA_CCB_RETRY_UA) != 0) 1837 sf = SF_RETRY_UA; 1838 else 1839 sf = 0; 1840 1841 error = daerror(done_ccb, CAM_RETRY_SELTO, sf); 1842 if (error == ERESTART) { 1843 /* 1844 * A retry was scheuled, so 1845 * just return. 1846 */ 1847 return; 1848 } 1849 if (error != 0) { 1850 int queued_error; 1851 1852 /* 1853 * return all queued I/O with EIO, so that 1854 * the client can retry these I/Os in the 1855 * proper order should it attempt to recover. 1856 */ 1857 queued_error = EIO; 1858 1859 if (error == ENXIO 1860 && (softc->flags & DA_FLAG_PACK_INVALID)== 0) { 1861 /* 1862 * Catastrophic error. Mark our pack as 1863 * invalid. 1864 */ 1865 /* 1866 * XXX See if this is really a media 1867 * XXX change first? 1868 */ 1869 xpt_print(periph->path, 1870 "Invalidating pack\n"); 1871 softc->flags |= DA_FLAG_PACK_INVALID; 1872 queued_error = ENXIO; 1873 } 1874 bioq_flush(&softc->bio_queue, NULL, 1875 queued_error); 1876 bp->bio_error = error; 1877 bp->bio_resid = bp->bio_bcount; 1878 bp->bio_flags |= BIO_ERROR; 1879 } else { 1880 bp->bio_resid = csio->resid; 1881 bp->bio_error = 0; 1882 if (bp->bio_resid != 0) 1883 bp->bio_flags |= BIO_ERROR; 1884 } 1885 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 1886 cam_release_devq(done_ccb->ccb_h.path, 1887 /*relsim_flags*/0, 1888 /*reduction*/0, 1889 /*timeout*/0, 1890 /*getcount_only*/0); 1891 } else { 1892 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 1893 panic("REQ_CMP with QFRZN"); 1894 bp->bio_resid = csio->resid; 1895 if (csio->resid > 0) 1896 bp->bio_flags |= BIO_ERROR; 1897 } 1898 1899 /* 1900 * Block out any asyncronous callbacks 1901 * while we touch the pending ccb list. 1902 */ 1903 LIST_REMOVE(&done_ccb->ccb_h, periph_links.le); 1904 softc->outstanding_cmds--; 1905 if (softc->outstanding_cmds == 0) 1906 softc->flags |= DA_FLAG_WENT_IDLE; 1907 1908 if ((softc->flags & DA_FLAG_PACK_INVALID) != 0) { 1909 xpt_print(periph->path, "oustanding %d\n", 1910 softc->outstanding_cmds); 1911 } 1912 1913 biodone(bp); 1914 break; 1915 } 1916 case DA_CCB_PROBE: 1917 case DA_CCB_PROBE2: 1918 { 1919 struct scsi_read_capacity_data *rdcap; 1920 struct scsi_read_capacity_data_long *rcaplong; 1921 char announce_buf[80]; 1922 1923 rdcap = NULL; 1924 rcaplong = NULL; 1925 if (softc->state == DA_STATE_PROBE) 1926 rdcap =(struct scsi_read_capacity_data *)csio->data_ptr; 1927 else 1928 rcaplong = (struct scsi_read_capacity_data_long *) 1929 csio->data_ptr; 1930 1931 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 1932 struct disk_params *dp; 1933 uint32_t block_size; 1934 uint64_t maxsector; 1935 u_int lbppbe; /* LB per physical block exponent. */ 1936 u_int lalba; /* Lowest aligned LBA. */ 1937 1938 if (softc->state == DA_STATE_PROBE) { 1939 block_size = scsi_4btoul(rdcap->length); 1940 maxsector = scsi_4btoul(rdcap->addr); 1941 lbppbe = 0; 1942 lalba = 0; 1943 1944 /* 1945 * According to SBC-2, if the standard 10 1946 * byte READ CAPACITY command returns 2^32, 1947 * we should issue the 16 byte version of 1948 * the command, since the device in question 1949 * has more sectors than can be represented 1950 * with the short version of the command. 1951 */ 1952 if (maxsector == 0xffffffff) { 1953 softc->state = DA_STATE_PROBE2; 1954 free(rdcap, M_SCSIDA); 1955 xpt_release_ccb(done_ccb); 1956 xpt_schedule(periph, priority); 1957 return; 1958 } 1959 } else { 1960 block_size = scsi_4btoul(rcaplong->length); 1961 maxsector = scsi_8btou64(rcaplong->addr); 1962 lbppbe = rcaplong->prot_lbppbe & SRC16_LBPPBE; 1963 lalba = scsi_2btoul(rcaplong->lalba_lbp); 1964 } 1965 1966 /* 1967 * Because GEOM code just will panic us if we 1968 * give them an 'illegal' value we'll avoid that 1969 * here. 1970 */ 1971 if (block_size == 0 && maxsector == 0) { 1972 snprintf(announce_buf, sizeof(announce_buf), 1973 "0MB (no media?)"); 1974 } else if (block_size >= MAXPHYS || block_size == 0) { 1975 xpt_print(periph->path, 1976 "unsupportable block size %ju\n", 1977 (uintmax_t) block_size); 1978 announce_buf[0] = '\0'; 1979 cam_periph_invalidate(periph); 1980 } else { 1981 dasetgeom(periph, block_size, maxsector, 1982 lbppbe, lalba & SRC16_LALBA); 1983 if (lalba & SRC16_LBPME) 1984 softc->flags |= DA_FLAG_CAN_LBPME; 1985 else 1986 softc->flags &= ~DA_FLAG_CAN_LBPME; 1987 dp = &softc->params; 1988 snprintf(announce_buf, sizeof(announce_buf), 1989 "%juMB (%ju %u byte sectors: %dH %dS/T " 1990 "%dC)", (uintmax_t) 1991 (((uintmax_t)dp->secsize * 1992 dp->sectors) / (1024*1024)), 1993 (uintmax_t)dp->sectors, 1994 dp->secsize, dp->heads, 1995 dp->secs_per_track, dp->cylinders); 1996 } 1997 } else { 1998 int error; 1999 2000 announce_buf[0] = '\0'; 2001 2002 /* 2003 * Retry any UNIT ATTENTION type errors. They 2004 * are expected at boot. 2005 */ 2006 error = daerror(done_ccb, CAM_RETRY_SELTO, 2007 SF_RETRY_UA|SF_NO_PRINT); 2008 if (error == ERESTART) { 2009 /* 2010 * A retry was scheuled, so 2011 * just return. 2012 */ 2013 return; 2014 } else if (error != 0) { 2015 struct scsi_sense_data *sense; 2016 int asc, ascq; 2017 int sense_key, error_code; 2018 int have_sense; 2019 cam_status status; 2020 struct ccb_getdev cgd; 2021 2022 /* Don't wedge this device's queue */ 2023 status = done_ccb->ccb_h.status; 2024 if ((status & CAM_DEV_QFRZN) != 0) 2025 cam_release_devq(done_ccb->ccb_h.path, 2026 /*relsim_flags*/0, 2027 /*reduction*/0, 2028 /*timeout*/0, 2029 /*getcount_only*/0); 2030 2031 2032 xpt_setup_ccb(&cgd.ccb_h, 2033 done_ccb->ccb_h.path, 2034 CAM_PRIORITY_NORMAL); 2035 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 2036 xpt_action((union ccb *)&cgd); 2037 2038 if (((csio->ccb_h.flags & CAM_SENSE_PHYS) != 0) 2039 || ((csio->ccb_h.flags & CAM_SENSE_PTR) != 0) 2040 || ((status & CAM_AUTOSNS_VALID) == 0)) 2041 have_sense = FALSE; 2042 else 2043 have_sense = TRUE; 2044 2045 if (have_sense) { 2046 sense = &csio->sense_data; 2047 scsi_extract_sense_len(sense, 2048 csio->sense_len - csio->sense_resid, 2049 &error_code, &sense_key, &asc, 2050 &ascq, /*show_errors*/ 1); 2051 } 2052 /* 2053 * If we tried READ CAPACITY(16) and failed, 2054 * fallback to READ CAPACITY(10). 2055 */ 2056 if ((softc->state == DA_STATE_PROBE2) && 2057 (softc->flags & DA_FLAG_CAN_RC16) && 2058 (((csio->ccb_h.status & CAM_STATUS_MASK) == 2059 CAM_REQ_INVALID) || 2060 ((have_sense) && 2061 (error_code == SSD_CURRENT_ERROR) && 2062 (sense_key == SSD_KEY_ILLEGAL_REQUEST)))) { 2063 softc->flags &= ~DA_FLAG_CAN_RC16; 2064 softc->state = DA_STATE_PROBE; 2065 free(rdcap, M_SCSIDA); 2066 xpt_release_ccb(done_ccb); 2067 xpt_schedule(periph, priority); 2068 return; 2069 } else 2070 /* 2071 * Attach to anything that claims to be a 2072 * direct access or optical disk device, 2073 * as long as it doesn't return a "Logical 2074 * unit not supported" (0x25) error. 2075 */ 2076 if ((have_sense) && (asc != 0x25) 2077 && (error_code == SSD_CURRENT_ERROR)) { 2078 const char *sense_key_desc; 2079 const char *asc_desc; 2080 2081 scsi_sense_desc(sense_key, asc, ascq, 2082 &cgd.inq_data, 2083 &sense_key_desc, 2084 &asc_desc); 2085 snprintf(announce_buf, 2086 sizeof(announce_buf), 2087 "Attempt to query device " 2088 "size failed: %s, %s", 2089 sense_key_desc, 2090 asc_desc); 2091 } else { 2092 if (have_sense) 2093 scsi_sense_print( 2094 &done_ccb->csio); 2095 else { 2096 xpt_print(periph->path, 2097 "got CAM status %#x\n", 2098 done_ccb->ccb_h.status); 2099 } 2100 2101 xpt_print(periph->path, "fatal error, " 2102 "failed to attach to device\n"); 2103 2104 /* 2105 * Free up resources. 2106 */ 2107 cam_periph_invalidate(periph); 2108 } 2109 } 2110 } 2111 free(csio->data_ptr, M_SCSIDA); 2112 if (announce_buf[0] != '\0') { 2113 xpt_announce_periph(periph, announce_buf); 2114 /* 2115 * Create our sysctl variables, now that we know 2116 * we have successfully attached. 2117 */ 2118 (void) cam_periph_acquire(periph); /* increase the refcount */ 2119 taskqueue_enqueue(taskqueue_thread,&softc->sysctl_task); 2120 } 2121 softc->state = DA_STATE_NORMAL; 2122 /* 2123 * Since our peripheral may be invalidated by an error 2124 * above or an external event, we must release our CCB 2125 * before releasing the probe lock on the peripheral. 2126 * The peripheral will only go away once the last lock 2127 * is removed, and we need it around for the CCB release 2128 * operation. 2129 */ 2130 xpt_release_ccb(done_ccb); 2131 cam_periph_unhold(periph); 2132 return; 2133 } 2134 case DA_CCB_WAITING: 2135 { 2136 /* Caller will release the CCB */ 2137 wakeup(&done_ccb->ccb_h.cbfcnp); 2138 return; 2139 } 2140 case DA_CCB_DUMP: 2141 /* No-op. We're polling */ 2142 return; 2143 default: 2144 break; 2145 } 2146 xpt_release_ccb(done_ccb); 2147 } 2148 2149 static int 2150 daerror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags) 2151 { 2152 struct da_softc *softc; 2153 struct cam_periph *periph; 2154 int error; 2155 2156 periph = xpt_path_periph(ccb->ccb_h.path); 2157 softc = (struct da_softc *)periph->softc; 2158 2159 /* 2160 * Automatically detect devices that do not support 2161 * READ(6)/WRITE(6) and upgrade to using 10 byte cdbs. 2162 */ 2163 error = 0; 2164 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INVALID) { 2165 error = cmd6workaround(ccb); 2166 } else if (((ccb->ccb_h.status & CAM_STATUS_MASK) == 2167 CAM_SCSI_STATUS_ERROR) 2168 && (ccb->ccb_h.status & CAM_AUTOSNS_VALID) 2169 && (ccb->csio.scsi_status == SCSI_STATUS_CHECK_COND) 2170 && ((ccb->ccb_h.flags & CAM_SENSE_PHYS) == 0) 2171 && ((ccb->ccb_h.flags & CAM_SENSE_PTR) == 0)) { 2172 int sense_key, error_code, asc, ascq; 2173 2174 scsi_extract_sense(&ccb->csio.sense_data, 2175 &error_code, &sense_key, &asc, &ascq); 2176 if (sense_key == SSD_KEY_ILLEGAL_REQUEST) 2177 error = cmd6workaround(ccb); 2178 } 2179 if (error == ERESTART) 2180 return (ERESTART); 2181 2182 /* 2183 * XXX 2184 * Until we have a better way of doing pack validation, 2185 * don't treat UAs as errors. 2186 */ 2187 sense_flags |= SF_RETRY_UA; 2188 return(cam_periph_error(ccb, cam_flags, sense_flags, 2189 &softc->saved_ccb)); 2190 } 2191 2192 static void 2193 daprevent(struct cam_periph *periph, int action) 2194 { 2195 struct da_softc *softc; 2196 union ccb *ccb; 2197 int error; 2198 2199 softc = (struct da_softc *)periph->softc; 2200 2201 if (((action == PR_ALLOW) 2202 && (softc->flags & DA_FLAG_PACK_LOCKED) == 0) 2203 || ((action == PR_PREVENT) 2204 && (softc->flags & DA_FLAG_PACK_LOCKED) != 0)) { 2205 return; 2206 } 2207 2208 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 2209 2210 scsi_prevent(&ccb->csio, 2211 /*retries*/1, 2212 /*cbcfp*/dadone, 2213 MSG_SIMPLE_Q_TAG, 2214 action, 2215 SSD_FULL_SIZE, 2216 5000); 2217 2218 error = cam_periph_runccb(ccb, /*error_routine*/NULL, CAM_RETRY_SELTO, 2219 SF_RETRY_UA, softc->disk->d_devstat); 2220 2221 if (error == 0) { 2222 if (action == PR_ALLOW) 2223 softc->flags &= ~DA_FLAG_PACK_LOCKED; 2224 else 2225 softc->flags |= DA_FLAG_PACK_LOCKED; 2226 } 2227 2228 xpt_release_ccb(ccb); 2229 } 2230 2231 static int 2232 dagetcapacity(struct cam_periph *periph) 2233 { 2234 struct da_softc *softc; 2235 union ccb *ccb; 2236 struct scsi_read_capacity_data *rcap; 2237 struct scsi_read_capacity_data_long *rcaplong; 2238 uint32_t block_len; 2239 uint64_t maxsector; 2240 int error, rc16failed; 2241 u_int32_t sense_flags; 2242 u_int lbppbe; /* Logical blocks per physical block exponent. */ 2243 u_int lalba; /* Lowest aligned LBA. */ 2244 2245 softc = (struct da_softc *)periph->softc; 2246 block_len = 0; 2247 maxsector = 0; 2248 lbppbe = 0; 2249 lalba = 0; 2250 error = 0; 2251 rc16failed = 0; 2252 sense_flags = SF_RETRY_UA; 2253 if (softc->flags & DA_FLAG_PACK_REMOVABLE) 2254 sense_flags |= SF_NO_PRINT; 2255 2256 /* Do a read capacity */ 2257 rcap = (struct scsi_read_capacity_data *)malloc(sizeof(*rcaplong), 2258 M_SCSIDA, 2259 M_NOWAIT | M_ZERO); 2260 if (rcap == NULL) 2261 return (ENOMEM); 2262 rcaplong = (struct scsi_read_capacity_data_long *)rcap; 2263 2264 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 2265 2266 /* Try READ CAPACITY(16) first if we think it should work. */ 2267 if (softc->flags & DA_FLAG_CAN_RC16) { 2268 scsi_read_capacity_16(&ccb->csio, 2269 /*retries*/ 4, 2270 /*cbfcnp*/ dadone, 2271 /*tag_action*/ MSG_SIMPLE_Q_TAG, 2272 /*lba*/ 0, 2273 /*reladr*/ 0, 2274 /*pmi*/ 0, 2275 rcaplong, 2276 /*sense_len*/ SSD_FULL_SIZE, 2277 /*timeout*/ 60000); 2278 ccb->ccb_h.ccb_bp = NULL; 2279 2280 error = cam_periph_runccb(ccb, daerror, 2281 /*cam_flags*/CAM_RETRY_SELTO, 2282 sense_flags, 2283 softc->disk->d_devstat); 2284 2285 if ((ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 2286 cam_release_devq(ccb->ccb_h.path, 2287 /*relsim_flags*/0, 2288 /*reduction*/0, 2289 /*timeout*/0, 2290 /*getcount_only*/0); 2291 2292 if (error == 0) 2293 goto rc16ok; 2294 2295 /* If we got ILLEGAL REQUEST, do not prefer RC16 any more. */ 2296 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == 2297 CAM_REQ_INVALID) { 2298 softc->flags &= ~DA_FLAG_CAN_RC16; 2299 } else if (((ccb->ccb_h.status & CAM_STATUS_MASK) == 2300 CAM_SCSI_STATUS_ERROR) && 2301 (ccb->csio.scsi_status == SCSI_STATUS_CHECK_COND) && 2302 (ccb->ccb_h.status & CAM_AUTOSNS_VALID) && 2303 ((ccb->ccb_h.flags & CAM_SENSE_PHYS) == 0) && 2304 ((ccb->ccb_h.flags & CAM_SENSE_PTR) == 0)) { 2305 int sense_key, error_code, asc, ascq; 2306 2307 scsi_extract_sense(&ccb->csio.sense_data, 2308 &error_code, &sense_key, &asc, &ascq); 2309 if (sense_key == SSD_KEY_ILLEGAL_REQUEST) 2310 softc->flags &= ~DA_FLAG_CAN_RC16; 2311 } 2312 rc16failed = 1; 2313 } 2314 2315 /* Do READ CAPACITY(10). */ 2316 scsi_read_capacity(&ccb->csio, 2317 /*retries*/4, 2318 /*cbfncp*/dadone, 2319 MSG_SIMPLE_Q_TAG, 2320 rcap, 2321 SSD_FULL_SIZE, 2322 /*timeout*/60000); 2323 ccb->ccb_h.ccb_bp = NULL; 2324 2325 error = cam_periph_runccb(ccb, daerror, 2326 /*cam_flags*/CAM_RETRY_SELTO, 2327 sense_flags, 2328 softc->disk->d_devstat); 2329 2330 if ((ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 2331 cam_release_devq(ccb->ccb_h.path, 2332 /*relsim_flags*/0, 2333 /*reduction*/0, 2334 /*timeout*/0, 2335 /*getcount_only*/0); 2336 2337 if (error == 0) { 2338 block_len = scsi_4btoul(rcap->length); 2339 maxsector = scsi_4btoul(rcap->addr); 2340 2341 if (maxsector != 0xffffffff || rc16failed) 2342 goto done; 2343 } else 2344 goto done; 2345 2346 /* If READ CAPACITY(10) returned overflow, use READ CAPACITY(16) */ 2347 scsi_read_capacity_16(&ccb->csio, 2348 /*retries*/ 4, 2349 /*cbfcnp*/ dadone, 2350 /*tag_action*/ MSG_SIMPLE_Q_TAG, 2351 /*lba*/ 0, 2352 /*reladr*/ 0, 2353 /*pmi*/ 0, 2354 rcaplong, 2355 /*sense_len*/ SSD_FULL_SIZE, 2356 /*timeout*/ 60000); 2357 ccb->ccb_h.ccb_bp = NULL; 2358 2359 error = cam_periph_runccb(ccb, daerror, 2360 /*cam_flags*/CAM_RETRY_SELTO, 2361 sense_flags, 2362 softc->disk->d_devstat); 2363 2364 if ((ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 2365 cam_release_devq(ccb->ccb_h.path, 2366 /*relsim_flags*/0, 2367 /*reduction*/0, 2368 /*timeout*/0, 2369 /*getcount_only*/0); 2370 2371 if (error == 0) { 2372 rc16ok: 2373 block_len = scsi_4btoul(rcaplong->length); 2374 maxsector = scsi_8btou64(rcaplong->addr); 2375 lbppbe = rcaplong->prot_lbppbe & SRC16_LBPPBE; 2376 lalba = scsi_2btoul(rcaplong->lalba_lbp); 2377 } 2378 2379 done: 2380 2381 if (error == 0) { 2382 if (block_len >= MAXPHYS || block_len == 0) { 2383 xpt_print(periph->path, 2384 "unsupportable block size %ju\n", 2385 (uintmax_t) block_len); 2386 error = EINVAL; 2387 } else { 2388 dasetgeom(periph, block_len, maxsector, 2389 lbppbe, lalba & SRC16_LALBA); 2390 if (lalba & SRC16_LBPME) 2391 softc->flags |= DA_FLAG_CAN_LBPME; 2392 else 2393 softc->flags &= ~DA_FLAG_CAN_LBPME; 2394 } 2395 } 2396 2397 xpt_release_ccb(ccb); 2398 2399 free(rcap, M_SCSIDA); 2400 2401 return (error); 2402 } 2403 2404 static void 2405 dasetgeom(struct cam_periph *periph, uint32_t block_len, uint64_t maxsector, 2406 u_int lbppbe, u_int lalba) 2407 { 2408 struct ccb_calc_geometry ccg; 2409 struct da_softc *softc; 2410 struct disk_params *dp; 2411 2412 softc = (struct da_softc *)periph->softc; 2413 2414 dp = &softc->params; 2415 dp->secsize = block_len; 2416 dp->sectors = maxsector + 1; 2417 if (lbppbe > 0) { 2418 dp->stripesize = block_len << lbppbe; 2419 dp->stripeoffset = (dp->stripesize - block_len * lalba) % 2420 dp->stripesize; 2421 } else if (softc->quirks & DA_Q_4K) { 2422 dp->stripesize = 4096; 2423 dp->stripeoffset = 0; 2424 } else { 2425 dp->stripesize = 0; 2426 dp->stripeoffset = 0; 2427 } 2428 /* 2429 * Have the controller provide us with a geometry 2430 * for this disk. The only time the geometry 2431 * matters is when we boot and the controller 2432 * is the only one knowledgeable enough to come 2433 * up with something that will make this a bootable 2434 * device. 2435 */ 2436 xpt_setup_ccb(&ccg.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 2437 ccg.ccb_h.func_code = XPT_CALC_GEOMETRY; 2438 ccg.block_size = dp->secsize; 2439 ccg.volume_size = dp->sectors; 2440 ccg.heads = 0; 2441 ccg.secs_per_track = 0; 2442 ccg.cylinders = 0; 2443 xpt_action((union ccb*)&ccg); 2444 if ((ccg.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 2445 /* 2446 * We don't know what went wrong here- but just pick 2447 * a geometry so we don't have nasty things like divide 2448 * by zero. 2449 */ 2450 dp->heads = 255; 2451 dp->secs_per_track = 255; 2452 dp->cylinders = dp->sectors / (255 * 255); 2453 if (dp->cylinders == 0) { 2454 dp->cylinders = 1; 2455 } 2456 } else { 2457 dp->heads = ccg.heads; 2458 dp->secs_per_track = ccg.secs_per_track; 2459 dp->cylinders = ccg.cylinders; 2460 } 2461 } 2462 2463 static void 2464 dasendorderedtag(void *arg) 2465 { 2466 struct da_softc *softc = arg; 2467 2468 if (da_send_ordered) { 2469 if ((softc->ordered_tag_count == 0) 2470 && ((softc->flags & DA_FLAG_WENT_IDLE) == 0)) { 2471 softc->flags |= DA_FLAG_NEED_OTAG; 2472 } 2473 if (softc->outstanding_cmds > 0) 2474 softc->flags &= ~DA_FLAG_WENT_IDLE; 2475 2476 softc->ordered_tag_count = 0; 2477 } 2478 /* Queue us up again */ 2479 callout_reset(&softc->sendordered_c, 2480 (DA_DEFAULT_TIMEOUT * hz) / DA_ORDEREDTAG_INTERVAL, 2481 dasendorderedtag, softc); 2482 } 2483 2484 /* 2485 * Step through all DA peripheral drivers, and if the device is still open, 2486 * sync the disk cache to physical media. 2487 */ 2488 static void 2489 dashutdown(void * arg, int howto) 2490 { 2491 struct cam_periph *periph; 2492 struct da_softc *softc; 2493 2494 TAILQ_FOREACH(periph, &dadriver.units, unit_links) { 2495 union ccb ccb; 2496 2497 cam_periph_lock(periph); 2498 softc = (struct da_softc *)periph->softc; 2499 2500 /* 2501 * We only sync the cache if the drive is still open, and 2502 * if the drive is capable of it.. 2503 */ 2504 if (((softc->flags & DA_FLAG_OPEN) == 0) 2505 || (softc->quirks & DA_Q_NO_SYNC_CACHE)) { 2506 cam_periph_unlock(periph); 2507 continue; 2508 } 2509 2510 xpt_setup_ccb(&ccb.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 2511 2512 ccb.ccb_h.ccb_state = DA_CCB_DUMP; 2513 scsi_synchronize_cache(&ccb.csio, 2514 /*retries*/1, 2515 /*cbfcnp*/dadone, 2516 MSG_SIMPLE_Q_TAG, 2517 /*begin_lba*/0, /* whole disk */ 2518 /*lb_count*/0, 2519 SSD_FULL_SIZE, 2520 60 * 60 * 1000); 2521 2522 xpt_polled_action(&ccb); 2523 2524 if ((ccb.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 2525 if (((ccb.ccb_h.status & CAM_STATUS_MASK) == 2526 CAM_SCSI_STATUS_ERROR) 2527 && (ccb.csio.scsi_status == SCSI_STATUS_CHECK_COND)){ 2528 int error_code, sense_key, asc, ascq; 2529 2530 scsi_extract_sense(&ccb.csio.sense_data, 2531 &error_code, &sense_key, 2532 &asc, &ascq); 2533 2534 if (sense_key != SSD_KEY_ILLEGAL_REQUEST) 2535 scsi_sense_print(&ccb.csio); 2536 } else { 2537 xpt_print(periph->path, "Synchronize " 2538 "cache failed, status == 0x%x, scsi status " 2539 "== 0x%x\n", ccb.ccb_h.status, 2540 ccb.csio.scsi_status); 2541 } 2542 } 2543 2544 if ((ccb.ccb_h.status & CAM_DEV_QFRZN) != 0) 2545 cam_release_devq(ccb.ccb_h.path, 2546 /*relsim_flags*/0, 2547 /*reduction*/0, 2548 /*timeout*/0, 2549 /*getcount_only*/0); 2550 cam_periph_unlock(periph); 2551 } 2552 } 2553 2554 #else /* !_KERNEL */ 2555 2556 /* 2557 * XXX This is only left out of the kernel build to silence warnings. If, 2558 * for some reason this function is used in the kernel, the ifdefs should 2559 * be moved so it is included both in the kernel and userland. 2560 */ 2561 void 2562 scsi_format_unit(struct ccb_scsiio *csio, u_int32_t retries, 2563 void (*cbfcnp)(struct cam_periph *, union ccb *), 2564 u_int8_t tag_action, u_int8_t byte2, u_int16_t ileave, 2565 u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len, 2566 u_int32_t timeout) 2567 { 2568 struct scsi_format_unit *scsi_cmd; 2569 2570 scsi_cmd = (struct scsi_format_unit *)&csio->cdb_io.cdb_bytes; 2571 scsi_cmd->opcode = FORMAT_UNIT; 2572 scsi_cmd->byte2 = byte2; 2573 scsi_ulto2b(ileave, scsi_cmd->interleave); 2574 2575 cam_fill_csio(csio, 2576 retries, 2577 cbfcnp, 2578 /*flags*/ (dxfer_len > 0) ? CAM_DIR_OUT : CAM_DIR_NONE, 2579 tag_action, 2580 data_ptr, 2581 dxfer_len, 2582 sense_len, 2583 sizeof(*scsi_cmd), 2584 timeout); 2585 } 2586 2587 #endif /* _KERNEL */ 2588