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_flags; 88 89 typedef enum { 90 DA_Q_NONE = 0x00, 91 DA_Q_NO_SYNC_CACHE = 0x01, 92 DA_Q_NO_6_BYTE = 0x02, 93 DA_Q_NO_PREVENT = 0x04, 94 DA_Q_4K = 0x08 95 } da_quirks; 96 97 typedef enum { 98 DA_CCB_PROBE = 0x01, 99 DA_CCB_PROBE2 = 0x02, 100 DA_CCB_BUFFER_IO = 0x03, 101 DA_CCB_WAITING = 0x04, 102 DA_CCB_DUMP = 0x05, 103 DA_CCB_DELETE = 0x06, 104 DA_CCB_TYPE_MASK = 0x0F, 105 DA_CCB_RETRY_UA = 0x10 106 } da_ccb_state; 107 108 typedef enum { 109 DA_DELETE_NONE, 110 DA_DELETE_DISABLE, 111 DA_DELETE_ZERO, 112 DA_DELETE_WS10, 113 DA_DELETE_WS16, 114 DA_DELETE_UNMAP, 115 DA_DELETE_MAX = DA_DELETE_UNMAP 116 } da_delete_methods; 117 118 static const char *da_delete_method_names[] = 119 { "NONE", "DISABLE", "ZERO", "WS10", "WS16", "UNMAP" }; 120 121 /* Offsets into our private area for storing information */ 122 #define ccb_state ppriv_field0 123 #define ccb_bp ppriv_ptr1 124 125 struct disk_params { 126 u_int8_t heads; 127 u_int32_t cylinders; 128 u_int8_t secs_per_track; 129 u_int32_t secsize; /* Number of bytes/sector */ 130 u_int64_t sectors; /* total number sectors */ 131 u_int stripesize; 132 u_int stripeoffset; 133 }; 134 135 #define UNMAP_MAX_RANGES 512 136 137 struct da_softc { 138 struct bio_queue_head bio_queue; 139 struct bio_queue_head delete_queue; 140 struct bio_queue_head delete_run_queue; 141 SLIST_ENTRY(da_softc) links; 142 LIST_HEAD(, ccb_hdr) pending_ccbs; 143 da_state state; 144 da_flags flags; 145 da_quirks quirks; 146 int minimum_cmd_size; 147 int error_inject; 148 int ordered_tag_count; 149 int outstanding_cmds; 150 int unmap_max_ranges; 151 int unmap_max_lba; 152 int delete_running; 153 da_delete_methods delete_method; 154 struct disk_params params; 155 struct disk *disk; 156 union ccb saved_ccb; 157 struct task sysctl_task; 158 struct sysctl_ctx_list sysctl_ctx; 159 struct sysctl_oid *sysctl_tree; 160 struct callout sendordered_c; 161 uint64_t wwpn; 162 uint8_t unmap_buf[UNMAP_MAX_RANGES * 16 + 8]; 163 struct scsi_read_capacity_data_long rcaplong; 164 }; 165 166 struct da_quirk_entry { 167 struct scsi_inquiry_pattern inq_pat; 168 da_quirks quirks; 169 }; 170 171 static const char quantum[] = "QUANTUM"; 172 static const char microp[] = "MICROP"; 173 174 static struct da_quirk_entry da_quirk_table[] = 175 { 176 /* SPI, FC devices */ 177 { 178 /* 179 * Fujitsu M2513A MO drives. 180 * Tested devices: M2513A2 firmware versions 1200 & 1300. 181 * (dip switch selects whether T_DIRECT or T_OPTICAL device) 182 * Reported by: W.Scholten <whs@xs4all.nl> 183 */ 184 {T_DIRECT, SIP_MEDIA_REMOVABLE, "FUJITSU", "M2513A", "*"}, 185 /*quirks*/ DA_Q_NO_SYNC_CACHE 186 }, 187 { 188 /* See above. */ 189 {T_OPTICAL, SIP_MEDIA_REMOVABLE, "FUJITSU", "M2513A", "*"}, 190 /*quirks*/ DA_Q_NO_SYNC_CACHE 191 }, 192 { 193 /* 194 * This particular Fujitsu drive doesn't like the 195 * synchronize cache command. 196 * Reported by: Tom Jackson <toj@gorilla.net> 197 */ 198 {T_DIRECT, SIP_MEDIA_FIXED, "FUJITSU", "M2954*", "*"}, 199 /*quirks*/ DA_Q_NO_SYNC_CACHE 200 }, 201 { 202 /* 203 * This drive doesn't like the synchronize cache command 204 * either. Reported by: Matthew Jacob <mjacob@feral.com> 205 * in NetBSD PR kern/6027, August 24, 1998. 206 */ 207 {T_DIRECT, SIP_MEDIA_FIXED, microp, "2217*", "*"}, 208 /*quirks*/ DA_Q_NO_SYNC_CACHE 209 }, 210 { 211 /* 212 * This drive doesn't like the synchronize cache command 213 * either. Reported by: Hellmuth Michaelis (hm@kts.org) 214 * (PR 8882). 215 */ 216 {T_DIRECT, SIP_MEDIA_FIXED, microp, "2112*", "*"}, 217 /*quirks*/ DA_Q_NO_SYNC_CACHE 218 }, 219 { 220 /* 221 * Doesn't like the synchronize cache command. 222 * Reported by: Blaz Zupan <blaz@gold.amis.net> 223 */ 224 {T_DIRECT, SIP_MEDIA_FIXED, "NEC", "D3847*", "*"}, 225 /*quirks*/ DA_Q_NO_SYNC_CACHE 226 }, 227 { 228 /* 229 * Doesn't like the synchronize cache command. 230 * Reported by: Blaz Zupan <blaz@gold.amis.net> 231 */ 232 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "MAVERICK 540S", "*"}, 233 /*quirks*/ DA_Q_NO_SYNC_CACHE 234 }, 235 { 236 /* 237 * Doesn't like the synchronize cache command. 238 */ 239 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "LPS525S", "*"}, 240 /*quirks*/ DA_Q_NO_SYNC_CACHE 241 }, 242 { 243 /* 244 * Doesn't like the synchronize cache command. 245 * Reported by: walter@pelissero.de 246 */ 247 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "LPS540S", "*"}, 248 /*quirks*/ DA_Q_NO_SYNC_CACHE 249 }, 250 { 251 /* 252 * Doesn't work correctly with 6 byte reads/writes. 253 * Returns illegal request, and points to byte 9 of the 254 * 6-byte CDB. 255 * Reported by: Adam McDougall <bsdx@spawnet.com> 256 */ 257 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "VIKING 4*", "*"}, 258 /*quirks*/ DA_Q_NO_6_BYTE 259 }, 260 { 261 /* See above. */ 262 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "VIKING 2*", "*"}, 263 /*quirks*/ DA_Q_NO_6_BYTE 264 }, 265 { 266 /* 267 * Doesn't like the synchronize cache command. 268 * Reported by: walter@pelissero.de 269 */ 270 {T_DIRECT, SIP_MEDIA_FIXED, "CONNER", "CP3500*", "*"}, 271 /*quirks*/ DA_Q_NO_SYNC_CACHE 272 }, 273 { 274 /* 275 * The CISS RAID controllers do not support SYNC_CACHE 276 */ 277 {T_DIRECT, SIP_MEDIA_FIXED, "COMPAQ", "RAID*", "*"}, 278 /*quirks*/ DA_Q_NO_SYNC_CACHE 279 }, 280 /* USB mass storage devices supported by umass(4) */ 281 { 282 /* 283 * EXATELECOM (Sigmatel) i-Bead 100/105 USB Flash MP3 Player 284 * PR: kern/51675 285 */ 286 {T_DIRECT, SIP_MEDIA_REMOVABLE, "EXATEL", "i-BEAD10*", "*"}, 287 /*quirks*/ DA_Q_NO_SYNC_CACHE 288 }, 289 { 290 /* 291 * Power Quotient Int. (PQI) USB flash key 292 * PR: kern/53067 293 */ 294 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "USB Flash Disk*", 295 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 296 }, 297 { 298 /* 299 * Creative Nomad MUVO mp3 player (USB) 300 * PR: kern/53094 301 */ 302 {T_DIRECT, SIP_MEDIA_REMOVABLE, "CREATIVE", "NOMAD_MUVO", "*"}, 303 /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT 304 }, 305 { 306 /* 307 * Jungsoft NEXDISK USB flash key 308 * PR: kern/54737 309 */ 310 {T_DIRECT, SIP_MEDIA_REMOVABLE, "JUNGSOFT", "NEXDISK*", "*"}, 311 /*quirks*/ DA_Q_NO_SYNC_CACHE 312 }, 313 { 314 /* 315 * FreeDik USB Mini Data Drive 316 * PR: kern/54786 317 */ 318 {T_DIRECT, SIP_MEDIA_REMOVABLE, "FreeDik*", "Mini Data Drive", 319 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 320 }, 321 { 322 /* 323 * Sigmatel USB Flash MP3 Player 324 * PR: kern/57046 325 */ 326 {T_DIRECT, SIP_MEDIA_REMOVABLE, "SigmaTel", "MSCN", "*"}, 327 /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT 328 }, 329 { 330 /* 331 * Neuros USB Digital Audio Computer 332 * PR: kern/63645 333 */ 334 {T_DIRECT, SIP_MEDIA_REMOVABLE, "NEUROS", "dig. audio comp.", 335 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 336 }, 337 { 338 /* 339 * SEAGRAND NP-900 MP3 Player 340 * PR: kern/64563 341 */ 342 {T_DIRECT, SIP_MEDIA_REMOVABLE, "SEAGRAND", "NP-900*", "*"}, 343 /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT 344 }, 345 { 346 /* 347 * iRiver iFP MP3 player (with UMS Firmware) 348 * PR: kern/54881, i386/63941, kern/66124 349 */ 350 {T_DIRECT, SIP_MEDIA_REMOVABLE, "iRiver", "iFP*", "*"}, 351 /*quirks*/ DA_Q_NO_SYNC_CACHE 352 }, 353 { 354 /* 355 * Frontier Labs NEX IA+ Digital Audio Player, rev 1.10/0.01 356 * PR: kern/70158 357 */ 358 {T_DIRECT, SIP_MEDIA_REMOVABLE, "FL" , "Nex*", "*"}, 359 /*quirks*/ DA_Q_NO_SYNC_CACHE 360 }, 361 { 362 /* 363 * ZICPlay USB MP3 Player with FM 364 * PR: kern/75057 365 */ 366 {T_DIRECT, SIP_MEDIA_REMOVABLE, "ACTIONS*" , "USB DISK*", "*"}, 367 /*quirks*/ DA_Q_NO_SYNC_CACHE 368 }, 369 { 370 /* 371 * TEAC USB floppy mechanisms 372 */ 373 {T_DIRECT, SIP_MEDIA_REMOVABLE, "TEAC" , "FD-05*", "*"}, 374 /*quirks*/ DA_Q_NO_SYNC_CACHE 375 }, 376 { 377 /* 378 * Kingston DataTraveler II+ USB Pen-Drive. 379 * Reported by: Pawel Jakub Dawidek <pjd@FreeBSD.org> 380 */ 381 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Kingston" , "DataTraveler II+", 382 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 383 }, 384 { 385 /* 386 * Motorola E398 Mobile Phone (TransFlash memory card). 387 * Reported by: Wojciech A. Koszek <dunstan@FreeBSD.czest.pl> 388 * PR: usb/89889 389 */ 390 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Motorola" , "Motorola Phone", 391 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 392 }, 393 { 394 /* 395 * Qware BeatZkey! Pro 396 * PR: usb/79164 397 */ 398 {T_DIRECT, SIP_MEDIA_REMOVABLE, "GENERIC", "USB DISK DEVICE", 399 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 400 }, 401 { 402 /* 403 * Time DPA20B 1GB MP3 Player 404 * PR: usb/81846 405 */ 406 {T_DIRECT, SIP_MEDIA_REMOVABLE, "USB2.0*", "(FS) FLASH DISK*", 407 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 408 }, 409 { 410 /* 411 * Samsung USB key 128Mb 412 * PR: usb/90081 413 */ 414 {T_DIRECT, SIP_MEDIA_REMOVABLE, "USB-DISK", "FreeDik-FlashUsb", 415 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 416 }, 417 { 418 /* 419 * Kingston DataTraveler 2.0 USB Flash memory. 420 * PR: usb/89196 421 */ 422 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Kingston", "DataTraveler 2.0", 423 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 424 }, 425 { 426 /* 427 * Creative MUVO Slim mp3 player (USB) 428 * PR: usb/86131 429 */ 430 {T_DIRECT, SIP_MEDIA_REMOVABLE, "CREATIVE", "MuVo Slim", 431 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT 432 }, 433 { 434 /* 435 * United MP5512 Portable MP3 Player (2-in-1 USB DISK/MP3) 436 * PR: usb/80487 437 */ 438 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "MUSIC DISK", 439 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 440 }, 441 { 442 /* 443 * SanDisk Micro Cruzer 128MB 444 * PR: usb/75970 445 */ 446 {T_DIRECT, SIP_MEDIA_REMOVABLE, "SanDisk" , "Micro Cruzer", 447 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 448 }, 449 { 450 /* 451 * TOSHIBA TransMemory USB sticks 452 * PR: kern/94660 453 */ 454 {T_DIRECT, SIP_MEDIA_REMOVABLE, "TOSHIBA", "TransMemory", 455 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 456 }, 457 { 458 /* 459 * PNY USB Flash keys 460 * PR: usb/75578, usb/72344, usb/65436 461 */ 462 {T_DIRECT, SIP_MEDIA_REMOVABLE, "*" , "USB DISK*", 463 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 464 }, 465 { 466 /* 467 * Genesys 6-in-1 Card Reader 468 * PR: usb/94647 469 */ 470 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "STORAGE DEVICE*", 471 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 472 }, 473 { 474 /* 475 * Rekam Digital CAMERA 476 * PR: usb/98713 477 */ 478 {T_DIRECT, SIP_MEDIA_REMOVABLE, "CAMERA*", "4MP-9J6*", 479 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 480 }, 481 { 482 /* 483 * iRiver H10 MP3 player 484 * PR: usb/102547 485 */ 486 {T_DIRECT, SIP_MEDIA_REMOVABLE, "iriver", "H10*", 487 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 488 }, 489 { 490 /* 491 * iRiver U10 MP3 player 492 * PR: usb/92306 493 */ 494 {T_DIRECT, SIP_MEDIA_REMOVABLE, "iriver", "U10*", 495 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 496 }, 497 { 498 /* 499 * X-Micro Flash Disk 500 * PR: usb/96901 501 */ 502 {T_DIRECT, SIP_MEDIA_REMOVABLE, "X-Micro", "Flash Disk", 503 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 504 }, 505 { 506 /* 507 * EasyMP3 EM732X USB 2.0 Flash MP3 Player 508 * PR: usb/96546 509 */ 510 {T_DIRECT, SIP_MEDIA_REMOVABLE, "EM732X", "MP3 Player*", 511 "1.00"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 512 }, 513 { 514 /* 515 * Denver MP3 player 516 * PR: usb/107101 517 */ 518 {T_DIRECT, SIP_MEDIA_REMOVABLE, "DENVER", "MP3 PLAYER", 519 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 520 }, 521 { 522 /* 523 * Philips USB Key Audio KEY013 524 * PR: usb/68412 525 */ 526 {T_DIRECT, SIP_MEDIA_REMOVABLE, "PHILIPS", "Key*", "*"}, 527 /*quirks*/ DA_Q_NO_SYNC_CACHE | DA_Q_NO_PREVENT 528 }, 529 { 530 /* 531 * JNC MP3 Player 532 * PR: usb/94439 533 */ 534 {T_DIRECT, SIP_MEDIA_REMOVABLE, "JNC*" , "MP3 Player*", 535 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 536 }, 537 { 538 /* 539 * SAMSUNG MP0402H 540 * PR: usb/108427 541 */ 542 {T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "MP0402H", "*"}, 543 /*quirks*/ DA_Q_NO_SYNC_CACHE 544 }, 545 { 546 /* 547 * I/O Magic USB flash - Giga Bank 548 * PR: usb/108810 549 */ 550 {T_DIRECT, SIP_MEDIA_FIXED, "GS-Magic", "stor*", "*"}, 551 /*quirks*/ DA_Q_NO_SYNC_CACHE 552 }, 553 { 554 /* 555 * JoyFly 128mb USB Flash Drive 556 * PR: 96133 557 */ 558 {T_DIRECT, SIP_MEDIA_REMOVABLE, "USB 2.0", "Flash Disk*", 559 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 560 }, 561 { 562 /* 563 * ChipsBnk usb stick 564 * PR: 103702 565 */ 566 {T_DIRECT, SIP_MEDIA_REMOVABLE, "ChipsBnk", "USB*", 567 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 568 }, 569 { 570 /* 571 * Storcase (Kingston) InfoStation IFS FC2/SATA-R 201A 572 * PR: 129858 573 */ 574 {T_DIRECT, SIP_MEDIA_FIXED, "IFS", "FC2/SATA-R*", 575 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 576 }, 577 { 578 /* 579 * Samsung YP-U3 mp3-player 580 * PR: 125398 581 */ 582 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Samsung", "YP-U3", 583 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 584 }, 585 { 586 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Netac", "OnlyDisk*", 587 "2000"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 588 }, 589 { 590 /* 591 * Sony Cyber-Shot DSC cameras 592 * PR: usb/137035 593 */ 594 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Sony", "Sony DSC", "*"}, 595 /*quirks*/ DA_Q_NO_SYNC_CACHE | DA_Q_NO_PREVENT 596 }, 597 /* ATA/SATA devices over SAS/USB/... */ 598 { 599 /* Hitachi Advanced Format (4k) drives */ 600 { T_DIRECT, SIP_MEDIA_FIXED, "Hitachi", "H??????????E3*", "*" }, 601 /*quirks*/DA_Q_4K 602 }, 603 { 604 /* Samsung Advanced Format (4k) drives */ 605 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SAMSUNG HD155UI*", "*" }, 606 /*quirks*/DA_Q_4K 607 }, 608 { 609 /* Samsung Advanced Format (4k) drives */ 610 { T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "HD155UI*", "*" }, 611 /*quirks*/DA_Q_4K 612 }, 613 { 614 /* Samsung Advanced Format (4k) drives */ 615 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SAMSUNG HD204UI*", "*" }, 616 /*quirks*/DA_Q_4K 617 }, 618 { 619 /* Samsung Advanced Format (4k) drives */ 620 { T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "HD204UI*", "*" }, 621 /*quirks*/DA_Q_4K 622 }, 623 { 624 /* Seagate Barracuda Green Advanced Format (4k) drives */ 625 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST????DL*", "*" }, 626 /*quirks*/DA_Q_4K 627 }, 628 { 629 /* Seagate Barracuda Green Advanced Format (4k) drives */ 630 { T_DIRECT, SIP_MEDIA_FIXED, "ST????DL", "*", "*" }, 631 /*quirks*/DA_Q_4K 632 }, 633 { 634 /* Seagate Barracuda Green Advanced Format (4k) drives */ 635 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST???DM*", "*" }, 636 /*quirks*/DA_Q_4K 637 }, 638 { 639 /* Seagate Barracuda Green Advanced Format (4k) drives */ 640 { T_DIRECT, SIP_MEDIA_FIXED, "ST???DM*", "*", "*" }, 641 /*quirks*/DA_Q_4K 642 }, 643 { 644 /* Seagate Barracuda Green Advanced Format (4k) drives */ 645 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST????DM*", "*" }, 646 /*quirks*/DA_Q_4K 647 }, 648 { 649 /* Seagate Barracuda Green Advanced Format (4k) drives */ 650 { T_DIRECT, SIP_MEDIA_FIXED, "ST????DM", "*", "*" }, 651 /*quirks*/DA_Q_4K 652 }, 653 { 654 /* Seagate Momentus Advanced Format (4k) drives */ 655 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9500423AS*", "*" }, 656 /*quirks*/DA_Q_4K 657 }, 658 { 659 /* Seagate Momentus Advanced Format (4k) drives */ 660 { T_DIRECT, SIP_MEDIA_FIXED, "ST950042", "3AS*", "*" }, 661 /*quirks*/DA_Q_4K 662 }, 663 { 664 /* Seagate Momentus Advanced Format (4k) drives */ 665 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9500424AS*", "*" }, 666 /*quirks*/DA_Q_4K 667 }, 668 { 669 /* Seagate Momentus Advanced Format (4k) drives */ 670 { T_DIRECT, SIP_MEDIA_FIXED, "ST950042", "4AS*", "*" }, 671 /*quirks*/DA_Q_4K 672 }, 673 { 674 /* Seagate Momentus Advanced Format (4k) drives */ 675 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9640423AS*", "*" }, 676 /*quirks*/DA_Q_4K 677 }, 678 { 679 /* Seagate Momentus Advanced Format (4k) drives */ 680 { T_DIRECT, SIP_MEDIA_FIXED, "ST964042", "3AS*", "*" }, 681 /*quirks*/DA_Q_4K 682 }, 683 { 684 /* Seagate Momentus Advanced Format (4k) drives */ 685 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9640424AS*", "*" }, 686 /*quirks*/DA_Q_4K 687 }, 688 { 689 /* Seagate Momentus Advanced Format (4k) drives */ 690 { T_DIRECT, SIP_MEDIA_FIXED, "ST964042", "4AS*", "*" }, 691 /*quirks*/DA_Q_4K 692 }, 693 { 694 /* Seagate Momentus Advanced Format (4k) drives */ 695 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9750420AS*", "*" }, 696 /*quirks*/DA_Q_4K 697 }, 698 { 699 /* Seagate Momentus Advanced Format (4k) drives */ 700 { T_DIRECT, SIP_MEDIA_FIXED, "ST975042", "0AS*", "*" }, 701 /*quirks*/DA_Q_4K 702 }, 703 { 704 /* Seagate Momentus Advanced Format (4k) drives */ 705 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9750422AS*", "*" }, 706 /*quirks*/DA_Q_4K 707 }, 708 { 709 /* Seagate Momentus Advanced Format (4k) drives */ 710 { T_DIRECT, SIP_MEDIA_FIXED, "ST975042", "2AS*", "*" }, 711 /*quirks*/DA_Q_4K 712 }, 713 { 714 /* Seagate Momentus Advanced Format (4k) drives */ 715 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9750423AS*", "*" }, 716 /*quirks*/DA_Q_4K 717 }, 718 { 719 /* Seagate Momentus Advanced Format (4k) drives */ 720 { T_DIRECT, SIP_MEDIA_FIXED, "ST975042", "3AS*", "*" }, 721 /*quirks*/DA_Q_4K 722 }, 723 { 724 /* Seagate Momentus Thin Advanced Format (4k) drives */ 725 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST???LT*", "*" }, 726 /*quirks*/DA_Q_4K 727 }, 728 { 729 /* Seagate Momentus Thin Advanced Format (4k) drives */ 730 { T_DIRECT, SIP_MEDIA_FIXED, "ST???LT*", "*", "*" }, 731 /*quirks*/DA_Q_4K 732 }, 733 { 734 /* WDC Caviar Green Advanced Format (4k) drives */ 735 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD????RS*", "*" }, 736 /*quirks*/DA_Q_4K 737 }, 738 { 739 /* WDC Caviar Green Advanced Format (4k) drives */ 740 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "??RS*", "*" }, 741 /*quirks*/DA_Q_4K 742 }, 743 { 744 /* WDC Caviar Green Advanced Format (4k) drives */ 745 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD????RX*", "*" }, 746 /*quirks*/DA_Q_4K 747 }, 748 { 749 /* WDC Caviar Green Advanced Format (4k) drives */ 750 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "??RX*", "*" }, 751 /*quirks*/DA_Q_4K 752 }, 753 { 754 /* WDC Caviar Green Advanced Format (4k) drives */ 755 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD??????RS*", "*" }, 756 /*quirks*/DA_Q_4K 757 }, 758 { 759 /* WDC Caviar Green Advanced Format (4k) drives */ 760 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "????RS*", "*" }, 761 /*quirks*/DA_Q_4K 762 }, 763 { 764 /* WDC Caviar Green Advanced Format (4k) drives */ 765 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD??????RX*", "*" }, 766 /*quirks*/DA_Q_4K 767 }, 768 { 769 /* WDC Caviar Green Advanced Format (4k) drives */ 770 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "????RX*", "*" }, 771 /*quirks*/DA_Q_4K 772 }, 773 { 774 /* WDC Scorpio Black Advanced Format (4k) drives */ 775 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD???PKT*", "*" }, 776 /*quirks*/DA_Q_4K 777 }, 778 { 779 /* WDC Scorpio Black Advanced Format (4k) drives */ 780 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "?PKT*", "*" }, 781 /*quirks*/DA_Q_4K 782 }, 783 { 784 /* WDC Scorpio Black Advanced Format (4k) drives */ 785 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD?????PKT*", "*" }, 786 /*quirks*/DA_Q_4K 787 }, 788 { 789 /* WDC Scorpio Black Advanced Format (4k) drives */ 790 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "???PKT*", "*" }, 791 /*quirks*/DA_Q_4K 792 }, 793 { 794 /* WDC Scorpio Blue Advanced Format (4k) drives */ 795 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD???PVT*", "*" }, 796 /*quirks*/DA_Q_4K 797 }, 798 { 799 /* WDC Scorpio Blue Advanced Format (4k) drives */ 800 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "?PVT*", "*" }, 801 /*quirks*/DA_Q_4K 802 }, 803 { 804 /* WDC Scorpio Blue Advanced Format (4k) drives */ 805 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD?????PVT*", "*" }, 806 /*quirks*/DA_Q_4K 807 }, 808 { 809 /* WDC Scorpio Blue Advanced Format (4k) drives */ 810 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "???PVT*", "*" }, 811 /*quirks*/DA_Q_4K 812 }, 813 }; 814 815 static disk_strategy_t dastrategy; 816 static dumper_t dadump; 817 static periph_init_t dainit; 818 static void daasync(void *callback_arg, u_int32_t code, 819 struct cam_path *path, void *arg); 820 static void dasysctlinit(void *context, int pending); 821 static int dacmdsizesysctl(SYSCTL_HANDLER_ARGS); 822 static int dadeletemethodsysctl(SYSCTL_HANDLER_ARGS); 823 static periph_ctor_t daregister; 824 static periph_dtor_t dacleanup; 825 static periph_start_t dastart; 826 static periph_oninv_t daoninvalidate; 827 static void dadone(struct cam_periph *periph, 828 union ccb *done_ccb); 829 static int daerror(union ccb *ccb, u_int32_t cam_flags, 830 u_int32_t sense_flags); 831 static void daprevent(struct cam_periph *periph, int action); 832 static int dagetcapacity(struct cam_periph *periph); 833 static void dasetgeom(struct cam_periph *periph, uint32_t block_len, 834 uint64_t maxsector, 835 struct scsi_read_capacity_data_long *rcaplong, 836 size_t rcap_size); 837 static timeout_t dasendorderedtag; 838 static void dashutdown(void *arg, int howto); 839 840 #ifndef DA_DEFAULT_TIMEOUT 841 #define DA_DEFAULT_TIMEOUT 60 /* Timeout in seconds */ 842 #endif 843 844 #ifndef DA_DEFAULT_RETRY 845 #define DA_DEFAULT_RETRY 4 846 #endif 847 848 #ifndef DA_DEFAULT_SEND_ORDERED 849 #define DA_DEFAULT_SEND_ORDERED 1 850 #endif 851 852 853 static int da_retry_count = DA_DEFAULT_RETRY; 854 static int da_default_timeout = DA_DEFAULT_TIMEOUT; 855 static int da_send_ordered = DA_DEFAULT_SEND_ORDERED; 856 857 static SYSCTL_NODE(_kern_cam, OID_AUTO, da, CTLFLAG_RD, 0, 858 "CAM Direct Access Disk driver"); 859 SYSCTL_INT(_kern_cam_da, OID_AUTO, retry_count, CTLFLAG_RW, 860 &da_retry_count, 0, "Normal I/O retry count"); 861 TUNABLE_INT("kern.cam.da.retry_count", &da_retry_count); 862 SYSCTL_INT(_kern_cam_da, OID_AUTO, default_timeout, CTLFLAG_RW, 863 &da_default_timeout, 0, "Normal I/O timeout (in seconds)"); 864 TUNABLE_INT("kern.cam.da.default_timeout", &da_default_timeout); 865 SYSCTL_INT(_kern_cam_da, OID_AUTO, da_send_ordered, CTLFLAG_RW, 866 &da_send_ordered, 0, "Send Ordered Tags"); 867 TUNABLE_INT("kern.cam.da.da_send_ordered", &da_send_ordered); 868 869 /* 870 * DA_ORDEREDTAG_INTERVAL determines how often, relative 871 * to the default timeout, we check to see whether an ordered 872 * tagged transaction is appropriate to prevent simple tag 873 * starvation. Since we'd like to ensure that there is at least 874 * 1/2 of the timeout length left for a starved transaction to 875 * complete after we've sent an ordered tag, we must poll at least 876 * four times in every timeout period. This takes care of the worst 877 * case where a starved transaction starts during an interval that 878 * meets the requirement "don't send an ordered tag" test so it takes 879 * us two intervals to determine that a tag must be sent. 880 */ 881 #ifndef DA_ORDEREDTAG_INTERVAL 882 #define DA_ORDEREDTAG_INTERVAL 4 883 #endif 884 885 static struct periph_driver dadriver = 886 { 887 dainit, "da", 888 TAILQ_HEAD_INITIALIZER(dadriver.units), /* generation */ 0 889 }; 890 891 PERIPHDRIVER_DECLARE(da, dadriver); 892 893 static MALLOC_DEFINE(M_SCSIDA, "scsi_da", "scsi_da buffers"); 894 895 static int 896 daopen(struct disk *dp) 897 { 898 struct cam_periph *periph; 899 struct da_softc *softc; 900 int unit; 901 int error; 902 903 periph = (struct cam_periph *)dp->d_drv1; 904 if (periph == NULL) { 905 return (ENXIO); 906 } 907 908 if (cam_periph_acquire(periph) != CAM_REQ_CMP) { 909 return (ENXIO); 910 } 911 912 cam_periph_lock(periph); 913 if ((error = cam_periph_hold(periph, PRIBIO|PCATCH)) != 0) { 914 cam_periph_unlock(periph); 915 cam_periph_release(periph); 916 return (error); 917 } 918 919 unit = periph->unit_number; 920 softc = (struct da_softc *)periph->softc; 921 softc->flags |= DA_FLAG_OPEN; 922 923 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 924 ("daopen: disk=%s%d (unit %d)\n", dp->d_name, dp->d_unit, 925 unit)); 926 927 if ((softc->flags & DA_FLAG_PACK_INVALID) != 0) { 928 /* Invalidate our pack information. */ 929 softc->flags &= ~DA_FLAG_PACK_INVALID; 930 } 931 932 error = dagetcapacity(periph); 933 934 if (error == 0) { 935 936 softc->disk->d_sectorsize = softc->params.secsize; 937 softc->disk->d_mediasize = softc->params.secsize * (off_t)softc->params.sectors; 938 softc->disk->d_stripesize = softc->params.stripesize; 939 softc->disk->d_stripeoffset = softc->params.stripeoffset; 940 /* XXX: these are not actually "firmware" values, so they may be wrong */ 941 softc->disk->d_fwsectors = softc->params.secs_per_track; 942 softc->disk->d_fwheads = softc->params.heads; 943 softc->disk->d_devstat->block_size = softc->params.secsize; 944 softc->disk->d_devstat->flags &= ~DEVSTAT_BS_UNAVAILABLE; 945 if (softc->delete_method > DA_DELETE_DISABLE) 946 softc->disk->d_flags |= DISKFLAG_CANDELETE; 947 else 948 softc->disk->d_flags &= ~DISKFLAG_CANDELETE; 949 950 if ((softc->flags & DA_FLAG_PACK_REMOVABLE) != 0 && 951 (softc->quirks & DA_Q_NO_PREVENT) == 0) 952 daprevent(periph, PR_PREVENT); 953 } else 954 softc->flags &= ~DA_FLAG_OPEN; 955 956 cam_periph_unhold(periph); 957 cam_periph_unlock(periph); 958 959 if (error != 0) { 960 cam_periph_release(periph); 961 } 962 return (error); 963 } 964 965 static int 966 daclose(struct disk *dp) 967 { 968 struct cam_periph *periph; 969 struct da_softc *softc; 970 int error; 971 972 periph = (struct cam_periph *)dp->d_drv1; 973 if (periph == NULL) 974 return (0); 975 976 cam_periph_lock(periph); 977 if ((error = cam_periph_hold(periph, PRIBIO)) != 0) { 978 cam_periph_unlock(periph); 979 cam_periph_release(periph); 980 return (0); 981 } 982 983 softc = (struct da_softc *)periph->softc; 984 985 if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0 986 && (softc->flags & DA_FLAG_PACK_INVALID) == 0) { 987 union ccb *ccb; 988 989 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 990 991 scsi_synchronize_cache(&ccb->csio, 992 /*retries*/1, 993 /*cbfcnp*/dadone, 994 MSG_SIMPLE_Q_TAG, 995 /*begin_lba*/0,/* Cover the whole disk */ 996 /*lb_count*/0, 997 SSD_FULL_SIZE, 998 5 * 60 * 1000); 999 1000 cam_periph_runccb(ccb, /*error_routine*/NULL, /*cam_flags*/0, 1001 /*sense_flags*/SF_RETRY_UA, 1002 softc->disk->d_devstat); 1003 1004 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1005 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == 1006 CAM_SCSI_STATUS_ERROR) { 1007 int asc, ascq; 1008 int sense_key, error_code; 1009 1010 scsi_extract_sense_len(&ccb->csio.sense_data, 1011 ccb->csio.sense_len - ccb->csio.sense_resid, 1012 &error_code, &sense_key, &asc, &ascq, 1013 /*show_errors*/ 1); 1014 if (sense_key != SSD_KEY_ILLEGAL_REQUEST) 1015 scsi_sense_print(&ccb->csio); 1016 } else { 1017 xpt_print(periph->path, "Synchronize cache " 1018 "failed, status == 0x%x, scsi status == " 1019 "0x%x\n", ccb->csio.ccb_h.status, 1020 ccb->csio.scsi_status); 1021 } 1022 } 1023 1024 xpt_release_ccb(ccb); 1025 1026 } 1027 1028 if ((softc->flags & DA_FLAG_PACK_REMOVABLE) != 0) { 1029 if ((softc->quirks & DA_Q_NO_PREVENT) == 0) 1030 daprevent(periph, PR_ALLOW); 1031 /* 1032 * If we've got removeable media, mark the blocksize as 1033 * unavailable, since it could change when new media is 1034 * inserted. 1035 */ 1036 softc->disk->d_devstat->flags |= DEVSTAT_BS_UNAVAILABLE; 1037 } 1038 1039 softc->flags &= ~DA_FLAG_OPEN; 1040 cam_periph_unhold(periph); 1041 cam_periph_unlock(periph); 1042 cam_periph_release(periph); 1043 return (0); 1044 } 1045 1046 static void 1047 daschedule(struct cam_periph *periph) 1048 { 1049 struct da_softc *softc = (struct da_softc *)periph->softc; 1050 uint32_t prio; 1051 1052 /* Check if cam_periph_getccb() was called. */ 1053 prio = periph->immediate_priority; 1054 1055 /* Check if we have more work to do. */ 1056 if (bioq_first(&softc->bio_queue) || 1057 (!softc->delete_running && bioq_first(&softc->delete_queue))) { 1058 prio = CAM_PRIORITY_NORMAL; 1059 } 1060 1061 /* Schedule CCB if any of above is true. */ 1062 if (prio != CAM_PRIORITY_NONE) 1063 xpt_schedule(periph, prio); 1064 } 1065 1066 /* 1067 * Actually translate the requested transfer into one the physical driver 1068 * can understand. The transfer is described by a buf and will include 1069 * only one physical transfer. 1070 */ 1071 static void 1072 dastrategy(struct bio *bp) 1073 { 1074 struct cam_periph *periph; 1075 struct da_softc *softc; 1076 1077 periph = (struct cam_periph *)bp->bio_disk->d_drv1; 1078 if (periph == NULL) { 1079 biofinish(bp, NULL, ENXIO); 1080 return; 1081 } 1082 softc = (struct da_softc *)periph->softc; 1083 1084 cam_periph_lock(periph); 1085 1086 /* 1087 * If the device has been made invalid, error out 1088 */ 1089 if ((softc->flags & DA_FLAG_PACK_INVALID)) { 1090 cam_periph_unlock(periph); 1091 biofinish(bp, NULL, ENXIO); 1092 return; 1093 } 1094 1095 /* 1096 * Place it in the queue of disk activities for this disk 1097 */ 1098 if (bp->bio_cmd == BIO_DELETE) { 1099 if (bp->bio_bcount == 0) 1100 biodone(bp); 1101 else 1102 bioq_disksort(&softc->delete_queue, bp); 1103 } else 1104 bioq_disksort(&softc->bio_queue, bp); 1105 1106 /* 1107 * Schedule ourselves for performing the work. 1108 */ 1109 daschedule(periph); 1110 cam_periph_unlock(periph); 1111 1112 return; 1113 } 1114 1115 static int 1116 dadump(void *arg, void *virtual, vm_offset_t physical, off_t offset, size_t length) 1117 { 1118 struct cam_periph *periph; 1119 struct da_softc *softc; 1120 u_int secsize; 1121 struct ccb_scsiio csio; 1122 struct disk *dp; 1123 1124 dp = arg; 1125 periph = dp->d_drv1; 1126 if (periph == NULL) 1127 return (ENXIO); 1128 softc = (struct da_softc *)periph->softc; 1129 cam_periph_lock(periph); 1130 secsize = softc->params.secsize; 1131 1132 if ((softc->flags & DA_FLAG_PACK_INVALID) != 0) { 1133 cam_periph_unlock(periph); 1134 return (ENXIO); 1135 } 1136 1137 if (length > 0) { 1138 xpt_setup_ccb(&csio.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 1139 csio.ccb_h.ccb_state = DA_CCB_DUMP; 1140 scsi_read_write(&csio, 1141 /*retries*/1, 1142 dadone, 1143 MSG_ORDERED_Q_TAG, 1144 /*read*/FALSE, 1145 /*byte2*/0, 1146 /*minimum_cmd_size*/ softc->minimum_cmd_size, 1147 offset / secsize, 1148 length / secsize, 1149 /*data_ptr*/(u_int8_t *) virtual, 1150 /*dxfer_len*/length, 1151 /*sense_len*/SSD_FULL_SIZE, 1152 DA_DEFAULT_TIMEOUT * 1000); 1153 xpt_polled_action((union ccb *)&csio); 1154 cam_periph_unlock(periph); 1155 1156 if ((csio.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1157 printf("Aborting dump due to I/O error.\n"); 1158 if ((csio.ccb_h.status & CAM_STATUS_MASK) == 1159 CAM_SCSI_STATUS_ERROR) 1160 scsi_sense_print(&csio); 1161 else 1162 printf("status == 0x%x, scsi status == 0x%x\n", 1163 csio.ccb_h.status, csio.scsi_status); 1164 return(EIO); 1165 } 1166 return(0); 1167 } 1168 1169 /* 1170 * Sync the disk cache contents to the physical media. 1171 */ 1172 if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) { 1173 1174 xpt_setup_ccb(&csio.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 1175 csio.ccb_h.ccb_state = DA_CCB_DUMP; 1176 scsi_synchronize_cache(&csio, 1177 /*retries*/1, 1178 /*cbfcnp*/dadone, 1179 MSG_SIMPLE_Q_TAG, 1180 /*begin_lba*/0,/* Cover the whole disk */ 1181 /*lb_count*/0, 1182 SSD_FULL_SIZE, 1183 5 * 60 * 1000); 1184 xpt_polled_action((union ccb *)&csio); 1185 1186 if ((csio.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1187 if ((csio.ccb_h.status & CAM_STATUS_MASK) == 1188 CAM_SCSI_STATUS_ERROR) { 1189 int asc, ascq; 1190 int sense_key, error_code; 1191 1192 scsi_extract_sense_len(&csio.sense_data, 1193 csio.sense_len - csio.sense_resid, 1194 &error_code, &sense_key, &asc, &ascq, 1195 /*show_errors*/ 1); 1196 if (sense_key != SSD_KEY_ILLEGAL_REQUEST) 1197 scsi_sense_print(&csio); 1198 } else { 1199 xpt_print(periph->path, "Synchronize cache " 1200 "failed, status == 0x%x, scsi status == " 1201 "0x%x\n", csio.ccb_h.status, 1202 csio.scsi_status); 1203 } 1204 } 1205 } 1206 cam_periph_unlock(periph); 1207 return (0); 1208 } 1209 1210 static int 1211 dagetattr(struct bio *bp) 1212 { 1213 int ret = -1; 1214 struct cam_periph *periph; 1215 1216 if (bp->bio_disk == NULL || bp->bio_disk->d_drv1 == NULL) 1217 return ENXIO; 1218 periph = (struct cam_periph *)bp->bio_disk->d_drv1; 1219 if (periph->path == NULL) 1220 return ENXIO; 1221 1222 ret = xpt_getattr(bp->bio_data, bp->bio_length, bp->bio_attribute, 1223 periph->path); 1224 if (ret == 0) 1225 bp->bio_completed = bp->bio_length; 1226 return ret; 1227 } 1228 1229 static void 1230 dainit(void) 1231 { 1232 cam_status status; 1233 1234 /* 1235 * Install a global async callback. This callback will 1236 * receive async callbacks like "new device found". 1237 */ 1238 status = xpt_register_async(AC_FOUND_DEVICE, daasync, NULL, NULL); 1239 1240 if (status != CAM_REQ_CMP) { 1241 printf("da: Failed to attach master async callback " 1242 "due to status 0x%x!\n", status); 1243 } else if (da_send_ordered) { 1244 1245 /* Register our shutdown event handler */ 1246 if ((EVENTHANDLER_REGISTER(shutdown_post_sync, dashutdown, 1247 NULL, SHUTDOWN_PRI_DEFAULT)) == NULL) 1248 printf("dainit: shutdown event registration failed!\n"); 1249 } 1250 } 1251 1252 static void 1253 daoninvalidate(struct cam_periph *periph) 1254 { 1255 struct da_softc *softc; 1256 1257 softc = (struct da_softc *)periph->softc; 1258 1259 /* 1260 * De-register any async callbacks. 1261 */ 1262 xpt_register_async(0, daasync, periph, periph->path); 1263 1264 softc->flags |= DA_FLAG_PACK_INVALID; 1265 1266 /* 1267 * Return all queued I/O with ENXIO. 1268 * XXX Handle any transactions queued to the card 1269 * with XPT_ABORT_CCB. 1270 */ 1271 bioq_flush(&softc->bio_queue, NULL, ENXIO); 1272 bioq_flush(&softc->delete_queue, NULL, ENXIO); 1273 1274 disk_gone(softc->disk); 1275 xpt_print(periph->path, "lost device - %d outstanding, %d refs\n", 1276 softc->outstanding_cmds, periph->refcount); 1277 } 1278 1279 static void 1280 dacleanup(struct cam_periph *periph) 1281 { 1282 struct da_softc *softc; 1283 1284 softc = (struct da_softc *)periph->softc; 1285 1286 xpt_print(periph->path, "removing device entry\n"); 1287 cam_periph_unlock(periph); 1288 1289 /* 1290 * If we can't free the sysctl tree, oh well... 1291 */ 1292 if ((softc->flags & DA_FLAG_SCTX_INIT) != 0 1293 && sysctl_ctx_free(&softc->sysctl_ctx) != 0) { 1294 xpt_print(periph->path, "can't remove sysctl context\n"); 1295 } 1296 1297 disk_destroy(softc->disk); 1298 callout_drain(&softc->sendordered_c); 1299 free(softc, M_DEVBUF); 1300 cam_periph_lock(periph); 1301 } 1302 1303 static void 1304 daasync(void *callback_arg, u_int32_t code, 1305 struct cam_path *path, void *arg) 1306 { 1307 struct cam_periph *periph; 1308 1309 periph = (struct cam_periph *)callback_arg; 1310 switch (code) { 1311 case AC_FOUND_DEVICE: 1312 { 1313 struct ccb_getdev *cgd; 1314 cam_status status; 1315 1316 cgd = (struct ccb_getdev *)arg; 1317 if (cgd == NULL) 1318 break; 1319 1320 if (cgd->protocol != PROTO_SCSI) 1321 break; 1322 1323 if (SID_TYPE(&cgd->inq_data) != T_DIRECT 1324 && SID_TYPE(&cgd->inq_data) != T_RBC 1325 && SID_TYPE(&cgd->inq_data) != T_OPTICAL) 1326 break; 1327 1328 /* 1329 * Allocate a peripheral instance for 1330 * this device and start the probe 1331 * process. 1332 */ 1333 status = cam_periph_alloc(daregister, daoninvalidate, 1334 dacleanup, dastart, 1335 "da", CAM_PERIPH_BIO, 1336 cgd->ccb_h.path, daasync, 1337 AC_FOUND_DEVICE, cgd); 1338 1339 if (status != CAM_REQ_CMP 1340 && status != CAM_REQ_INPROG) 1341 printf("daasync: Unable to attach to new device " 1342 "due to status 0x%x\n", status); 1343 return; 1344 } 1345 case AC_ADVINFO_CHANGED: 1346 { 1347 uintptr_t buftype; 1348 1349 buftype = (uintptr_t)arg; 1350 if (buftype == CDAI_TYPE_PHYS_PATH) { 1351 struct da_softc *softc; 1352 1353 softc = periph->softc; 1354 disk_attr_changed(softc->disk, "GEOM::physpath", 1355 M_NOWAIT); 1356 } 1357 break; 1358 } 1359 case AC_SENT_BDR: 1360 case AC_BUS_RESET: 1361 { 1362 struct da_softc *softc; 1363 struct ccb_hdr *ccbh; 1364 1365 softc = (struct da_softc *)periph->softc; 1366 /* 1367 * Don't fail on the expected unit attention 1368 * that will occur. 1369 */ 1370 softc->flags |= DA_FLAG_RETRY_UA; 1371 LIST_FOREACH(ccbh, &softc->pending_ccbs, periph_links.le) 1372 ccbh->ccb_state |= DA_CCB_RETRY_UA; 1373 break; 1374 } 1375 default: 1376 break; 1377 } 1378 cam_periph_async(periph, code, path, arg); 1379 } 1380 1381 static void 1382 dasysctlinit(void *context, int pending) 1383 { 1384 struct cam_periph *periph; 1385 struct da_softc *softc; 1386 char tmpstr[80], tmpstr2[80]; 1387 struct ccb_trans_settings cts; 1388 1389 periph = (struct cam_periph *)context; 1390 /* 1391 * periph was held for us when this task was enqueued 1392 */ 1393 if (periph->flags & CAM_PERIPH_INVALID) { 1394 cam_periph_release(periph); 1395 return; 1396 } 1397 1398 softc = (struct da_softc *)periph->softc; 1399 snprintf(tmpstr, sizeof(tmpstr), "CAM DA unit %d", periph->unit_number); 1400 snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number); 1401 1402 sysctl_ctx_init(&softc->sysctl_ctx); 1403 softc->flags |= DA_FLAG_SCTX_INIT; 1404 softc->sysctl_tree = SYSCTL_ADD_NODE(&softc->sysctl_ctx, 1405 SYSCTL_STATIC_CHILDREN(_kern_cam_da), OID_AUTO, tmpstr2, 1406 CTLFLAG_RD, 0, tmpstr); 1407 if (softc->sysctl_tree == NULL) { 1408 printf("dasysctlinit: unable to allocate sysctl tree\n"); 1409 cam_periph_release(periph); 1410 return; 1411 } 1412 1413 /* 1414 * Now register the sysctl handler, so the user can change the value on 1415 * the fly. 1416 */ 1417 SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1418 OID_AUTO, "delete_method", CTLTYPE_STRING | CTLFLAG_RW, 1419 &softc->delete_method, 0, dadeletemethodsysctl, "A", 1420 "BIO_DELETE execution method"); 1421 SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1422 OID_AUTO, "minimum_cmd_size", CTLTYPE_INT | CTLFLAG_RW, 1423 &softc->minimum_cmd_size, 0, dacmdsizesysctl, "I", 1424 "Minimum CDB size"); 1425 1426 SYSCTL_ADD_INT(&softc->sysctl_ctx, 1427 SYSCTL_CHILDREN(softc->sysctl_tree), 1428 OID_AUTO, 1429 "error_inject", 1430 CTLFLAG_RW, 1431 &softc->error_inject, 1432 0, 1433 "error_inject leaf"); 1434 1435 1436 /* 1437 * Add some addressing info. 1438 */ 1439 memset(&cts, 0, sizeof (cts)); 1440 xpt_setup_ccb(&cts.ccb_h, periph->path, /*priority*/1); 1441 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 1442 cts.type = CTS_TYPE_CURRENT_SETTINGS; 1443 cam_periph_lock(periph); 1444 xpt_action((union ccb *)&cts); 1445 cam_periph_unlock(periph); 1446 if (cts.ccb_h.status != CAM_REQ_CMP) { 1447 cam_periph_release(periph); 1448 return; 1449 } 1450 if (cts.protocol == PROTO_SCSI && cts.transport == XPORT_FC) { 1451 struct ccb_trans_settings_fc *fc = &cts.xport_specific.fc; 1452 if (fc->valid & CTS_FC_VALID_WWPN) { 1453 softc->wwpn = fc->wwpn; 1454 SYSCTL_ADD_UQUAD(&softc->sysctl_ctx, 1455 SYSCTL_CHILDREN(softc->sysctl_tree), 1456 OID_AUTO, "wwpn", CTLFLAG_RD, 1457 &softc->wwpn, "World Wide Port Name"); 1458 } 1459 } 1460 cam_periph_release(periph); 1461 } 1462 1463 static int 1464 dacmdsizesysctl(SYSCTL_HANDLER_ARGS) 1465 { 1466 int error, value; 1467 1468 value = *(int *)arg1; 1469 1470 error = sysctl_handle_int(oidp, &value, 0, req); 1471 1472 if ((error != 0) 1473 || (req->newptr == NULL)) 1474 return (error); 1475 1476 /* 1477 * Acceptable values here are 6, 10, 12 or 16. 1478 */ 1479 if (value < 6) 1480 value = 6; 1481 else if ((value > 6) 1482 && (value <= 10)) 1483 value = 10; 1484 else if ((value > 10) 1485 && (value <= 12)) 1486 value = 12; 1487 else if (value > 12) 1488 value = 16; 1489 1490 *(int *)arg1 = value; 1491 1492 return (0); 1493 } 1494 1495 static int 1496 dadeletemethodsysctl(SYSCTL_HANDLER_ARGS) 1497 { 1498 char buf[16]; 1499 int error; 1500 const char *p; 1501 int i, value; 1502 1503 value = *(int *)arg1; 1504 if (value < 0 || value > DA_DELETE_MAX) 1505 p = "UNKNOWN"; 1506 else 1507 p = da_delete_method_names[value]; 1508 strncpy(buf, p, sizeof(buf)); 1509 error = sysctl_handle_string(oidp, buf, sizeof(buf), req); 1510 if (error != 0 || req->newptr == NULL) 1511 return (error); 1512 for (i = 0; i <= DA_DELETE_MAX; i++) { 1513 if (strcmp(buf, da_delete_method_names[i]) != 0) 1514 continue; 1515 *(int *)arg1 = i; 1516 return (0); 1517 } 1518 return (EINVAL); 1519 } 1520 1521 static cam_status 1522 daregister(struct cam_periph *periph, void *arg) 1523 { 1524 struct da_softc *softc; 1525 struct ccb_pathinq cpi; 1526 struct ccb_getdev *cgd; 1527 char tmpstr[80]; 1528 caddr_t match; 1529 1530 cgd = (struct ccb_getdev *)arg; 1531 if (periph == NULL) { 1532 printf("daregister: periph was NULL!!\n"); 1533 return(CAM_REQ_CMP_ERR); 1534 } 1535 1536 if (cgd == NULL) { 1537 printf("daregister: no getdev CCB, can't register device\n"); 1538 return(CAM_REQ_CMP_ERR); 1539 } 1540 1541 softc = (struct da_softc *)malloc(sizeof(*softc), M_DEVBUF, 1542 M_NOWAIT|M_ZERO); 1543 1544 if (softc == NULL) { 1545 printf("daregister: Unable to probe new device. " 1546 "Unable to allocate softc\n"); 1547 return(CAM_REQ_CMP_ERR); 1548 } 1549 1550 LIST_INIT(&softc->pending_ccbs); 1551 softc->state = DA_STATE_PROBE; 1552 bioq_init(&softc->bio_queue); 1553 bioq_init(&softc->delete_queue); 1554 bioq_init(&softc->delete_run_queue); 1555 if (SID_IS_REMOVABLE(&cgd->inq_data)) 1556 softc->flags |= DA_FLAG_PACK_REMOVABLE; 1557 if ((cgd->inq_data.flags & SID_CmdQue) != 0) 1558 softc->flags |= DA_FLAG_TAGGED_QUEUING; 1559 softc->unmap_max_ranges = UNMAP_MAX_RANGES; 1560 softc->unmap_max_lba = 1024*1024*2; 1561 1562 periph->softc = softc; 1563 1564 /* 1565 * See if this device has any quirks. 1566 */ 1567 match = cam_quirkmatch((caddr_t)&cgd->inq_data, 1568 (caddr_t)da_quirk_table, 1569 sizeof(da_quirk_table)/sizeof(*da_quirk_table), 1570 sizeof(*da_quirk_table), scsi_inquiry_match); 1571 1572 if (match != NULL) 1573 softc->quirks = ((struct da_quirk_entry *)match)->quirks; 1574 else 1575 softc->quirks = DA_Q_NONE; 1576 1577 /* Check if the SIM does not want 6 byte commands */ 1578 bzero(&cpi, sizeof(cpi)); 1579 xpt_setup_ccb(&cpi.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 1580 cpi.ccb_h.func_code = XPT_PATH_INQ; 1581 xpt_action((union ccb *)&cpi); 1582 if (cpi.ccb_h.status == CAM_REQ_CMP && (cpi.hba_misc & PIM_NO_6_BYTE)) 1583 softc->quirks |= DA_Q_NO_6_BYTE; 1584 1585 TASK_INIT(&softc->sysctl_task, 0, dasysctlinit, periph); 1586 1587 /* 1588 * Take an exclusive refcount on the periph while dastart is called 1589 * to finish the probe. The reference will be dropped in dadone at 1590 * the end of probe. 1591 */ 1592 (void)cam_periph_hold(periph, PRIBIO); 1593 1594 /* 1595 * Schedule a periodic event to occasionally send an 1596 * ordered tag to a device. 1597 */ 1598 callout_init_mtx(&softc->sendordered_c, periph->sim->mtx, 0); 1599 callout_reset(&softc->sendordered_c, 1600 (DA_DEFAULT_TIMEOUT * hz) / DA_ORDEREDTAG_INTERVAL, 1601 dasendorderedtag, softc); 1602 1603 mtx_unlock(periph->sim->mtx); 1604 /* 1605 * RBC devices don't have to support READ(6), only READ(10). 1606 */ 1607 if (softc->quirks & DA_Q_NO_6_BYTE || SID_TYPE(&cgd->inq_data) == T_RBC) 1608 softc->minimum_cmd_size = 10; 1609 else 1610 softc->minimum_cmd_size = 6; 1611 1612 /* 1613 * Load the user's default, if any. 1614 */ 1615 snprintf(tmpstr, sizeof(tmpstr), "kern.cam.da.%d.minimum_cmd_size", 1616 periph->unit_number); 1617 TUNABLE_INT_FETCH(tmpstr, &softc->minimum_cmd_size); 1618 1619 /* 1620 * 6, 10, 12 and 16 are the currently permissible values. 1621 */ 1622 if (softc->minimum_cmd_size < 6) 1623 softc->minimum_cmd_size = 6; 1624 else if ((softc->minimum_cmd_size > 6) 1625 && (softc->minimum_cmd_size <= 10)) 1626 softc->minimum_cmd_size = 10; 1627 else if ((softc->minimum_cmd_size > 10) 1628 && (softc->minimum_cmd_size <= 12)) 1629 softc->minimum_cmd_size = 12; 1630 else if (softc->minimum_cmd_size > 12) 1631 softc->minimum_cmd_size = 16; 1632 1633 /* Predict whether device may support READ CAPACITY(16). */ 1634 if (SID_ANSI_REV(&cgd->inq_data) >= SCSI_REV_SPC3 || 1635 (SID_ANSI_REV(&cgd->inq_data) >= SCSI_REV_SPC && 1636 (cgd->inq_data.spc3_flags & SPC3_SID_PROTECT))) { 1637 softc->flags |= DA_FLAG_CAN_RC16; 1638 softc->state = DA_STATE_PROBE2; 1639 } 1640 1641 /* 1642 * Register this media as a disk. 1643 */ 1644 softc->disk = disk_alloc(); 1645 softc->disk->d_devstat = devstat_new_entry(periph->periph_name, 1646 periph->unit_number, 0, 1647 DEVSTAT_BS_UNAVAILABLE, 1648 SID_TYPE(&cgd->inq_data) | 1649 XPORT_DEVSTAT_TYPE(cpi.transport), 1650 DEVSTAT_PRIORITY_DISK); 1651 softc->disk->d_open = daopen; 1652 softc->disk->d_close = daclose; 1653 softc->disk->d_strategy = dastrategy; 1654 softc->disk->d_dump = dadump; 1655 softc->disk->d_getattr = dagetattr; 1656 softc->disk->d_name = "da"; 1657 softc->disk->d_drv1 = periph; 1658 if (cpi.maxio == 0) 1659 softc->disk->d_maxsize = DFLTPHYS; /* traditional default */ 1660 else if (cpi.maxio > MAXPHYS) 1661 softc->disk->d_maxsize = MAXPHYS; /* for safety */ 1662 else 1663 softc->disk->d_maxsize = cpi.maxio; 1664 softc->disk->d_unit = periph->unit_number; 1665 softc->disk->d_flags = 0; 1666 if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) 1667 softc->disk->d_flags |= DISKFLAG_CANFLUSHCACHE; 1668 cam_strvis(softc->disk->d_descr, cgd->inq_data.vendor, 1669 sizeof(cgd->inq_data.vendor), sizeof(softc->disk->d_descr)); 1670 strlcat(softc->disk->d_descr, " ", sizeof(softc->disk->d_descr)); 1671 cam_strvis(&softc->disk->d_descr[strlen(softc->disk->d_descr)], 1672 cgd->inq_data.product, sizeof(cgd->inq_data.product), 1673 sizeof(softc->disk->d_descr) - strlen(softc->disk->d_descr)); 1674 softc->disk->d_hba_vendor = cpi.hba_vendor; 1675 softc->disk->d_hba_device = cpi.hba_device; 1676 softc->disk->d_hba_subvendor = cpi.hba_subvendor; 1677 softc->disk->d_hba_subdevice = cpi.hba_subdevice; 1678 disk_create(softc->disk, DISK_VERSION); 1679 mtx_lock(periph->sim->mtx); 1680 1681 /* 1682 * Add async callbacks for events of interest. 1683 * I don't bother checking if this fails as, 1684 * in most cases, the system will function just 1685 * fine without them and the only alternative 1686 * would be to not attach the device on failure. 1687 */ 1688 xpt_register_async(AC_SENT_BDR | AC_BUS_RESET 1689 | AC_LOST_DEVICE | AC_ADVINFO_CHANGED, 1690 daasync, periph, periph->path); 1691 1692 /* 1693 * Emit an attribute changed notification just in case 1694 * physical path information arrived before our async 1695 * event handler was registered, but after anyone attaching 1696 * to our disk device polled it. 1697 */ 1698 disk_attr_changed(softc->disk, "GEOM::physpath", M_NOWAIT); 1699 1700 xpt_schedule(periph, CAM_PRIORITY_DEV); 1701 1702 return(CAM_REQ_CMP); 1703 } 1704 1705 static void 1706 dastart(struct cam_periph *periph, union ccb *start_ccb) 1707 { 1708 struct da_softc *softc; 1709 1710 softc = (struct da_softc *)periph->softc; 1711 1712 switch (softc->state) { 1713 case DA_STATE_NORMAL: 1714 { 1715 struct bio *bp, *bp1; 1716 uint8_t tag_code; 1717 1718 /* Execute immediate CCB if waiting. */ 1719 if (periph->immediate_priority <= periph->pinfo.priority) { 1720 CAM_DEBUG_PRINT(CAM_DEBUG_SUBTRACE, 1721 ("queuing for immediate ccb\n")); 1722 start_ccb->ccb_h.ccb_state = DA_CCB_WAITING; 1723 SLIST_INSERT_HEAD(&periph->ccb_list, &start_ccb->ccb_h, 1724 periph_links.sle); 1725 periph->immediate_priority = CAM_PRIORITY_NONE; 1726 wakeup(&periph->ccb_list); 1727 /* May have more work to do, so ensure we stay scheduled */ 1728 daschedule(periph); 1729 break; 1730 } 1731 1732 /* Run BIO_DELETE if not running yet. */ 1733 if (!softc->delete_running && 1734 (bp = bioq_first(&softc->delete_queue)) != NULL) { 1735 uint64_t lba; 1736 u_int count; 1737 1738 if (softc->delete_method == DA_DELETE_UNMAP) { 1739 uint8_t *buf = softc->unmap_buf; 1740 uint64_t lastlba = (uint64_t)-1; 1741 uint32_t lastcount = 0; 1742 int blocks = 0, off, ranges = 0; 1743 1744 softc->delete_running = 1; 1745 bzero(softc->unmap_buf, sizeof(softc->unmap_buf)); 1746 bp1 = bp; 1747 do { 1748 bioq_remove(&softc->delete_queue, bp1); 1749 if (bp1 != bp) 1750 bioq_insert_tail(&softc->delete_run_queue, bp1); 1751 lba = bp1->bio_pblkno; 1752 count = bp1->bio_bcount / softc->params.secsize; 1753 1754 /* Try to extend the previous range. */ 1755 if (lba == lastlba) { 1756 lastcount += count; 1757 off = (ranges - 1) * 16 + 8; 1758 scsi_ulto4b(lastcount, &buf[off + 8]); 1759 } else if (count > 0) { 1760 off = ranges * 16 + 8; 1761 scsi_u64to8b(lba, &buf[off + 0]); 1762 scsi_ulto4b(count, &buf[off + 8]); 1763 lastcount = count; 1764 ranges++; 1765 } 1766 blocks += count; 1767 lastlba = lba + count; 1768 bp1 = bioq_first(&softc->delete_queue); 1769 if (bp1 == NULL || 1770 ranges >= softc->unmap_max_ranges || 1771 blocks + bp1->bio_bcount / 1772 softc->params.secsize > softc->unmap_max_lba) 1773 break; 1774 } while (1); 1775 scsi_ulto2b(count * 16 + 6, &buf[0]); 1776 scsi_ulto2b(count * 16, &buf[2]); 1777 1778 scsi_unmap(&start_ccb->csio, 1779 /*retries*/da_retry_count, 1780 /*cbfcnp*/dadone, 1781 /*tag_action*/MSG_SIMPLE_Q_TAG, 1782 /*byte2*/0, 1783 /*data_ptr*/ buf, 1784 /*dxfer_len*/ count * 16 + 8, 1785 /*sense_len*/SSD_FULL_SIZE, 1786 da_default_timeout * 1000); 1787 start_ccb->ccb_h.ccb_state = DA_CCB_DELETE; 1788 goto out; 1789 } else if (softc->delete_method == DA_DELETE_ZERO || 1790 softc->delete_method == DA_DELETE_WS10 || 1791 softc->delete_method == DA_DELETE_WS16) { 1792 softc->delete_running = 1; 1793 lba = bp->bio_pblkno; 1794 count = 0; 1795 bp1 = bp; 1796 do { 1797 bioq_remove(&softc->delete_queue, bp1); 1798 if (bp1 != bp) 1799 bioq_insert_tail(&softc->delete_run_queue, bp1); 1800 count += bp1->bio_bcount / softc->params.secsize; 1801 bp1 = bioq_first(&softc->delete_queue); 1802 if (bp1 == NULL || 1803 lba + count != bp1->bio_pblkno || 1804 count + bp1->bio_bcount / 1805 softc->params.secsize > 0xffff) 1806 break; 1807 } while (1); 1808 1809 scsi_write_same(&start_ccb->csio, 1810 /*retries*/da_retry_count, 1811 /*cbfcnp*/dadone, 1812 /*tag_action*/MSG_SIMPLE_Q_TAG, 1813 /*byte2*/softc->delete_method == 1814 DA_DELETE_ZERO ? 0 : SWS_UNMAP, 1815 softc->delete_method == 1816 DA_DELETE_WS16 ? 16 : 10, 1817 /*lba*/lba, 1818 /*block_count*/count, 1819 /*data_ptr*/ __DECONST(void *, 1820 zero_region), 1821 /*dxfer_len*/ softc->params.secsize, 1822 /*sense_len*/SSD_FULL_SIZE, 1823 da_default_timeout * 1000); 1824 start_ccb->ccb_h.ccb_state = DA_CCB_DELETE; 1825 goto out; 1826 } else { 1827 bioq_flush(&softc->delete_queue, NULL, 0); 1828 /* FALLTHROUGH */ 1829 } 1830 } 1831 1832 /* Run regular command. */ 1833 bp = bioq_takefirst(&softc->bio_queue); 1834 if (bp == NULL) { 1835 xpt_release_ccb(start_ccb); 1836 break; 1837 } 1838 1839 if ((bp->bio_flags & BIO_ORDERED) != 0 || 1840 (softc->flags & DA_FLAG_NEED_OTAG) != 0) { 1841 softc->flags &= ~DA_FLAG_NEED_OTAG; 1842 softc->ordered_tag_count++; 1843 tag_code = MSG_ORDERED_Q_TAG; 1844 } else { 1845 tag_code = MSG_SIMPLE_Q_TAG; 1846 } 1847 1848 switch (bp->bio_cmd) { 1849 case BIO_READ: 1850 case BIO_WRITE: 1851 scsi_read_write(&start_ccb->csio, 1852 /*retries*/da_retry_count, 1853 /*cbfcnp*/dadone, 1854 /*tag_action*/tag_code, 1855 /*read_op*/bp->bio_cmd 1856 == BIO_READ, 1857 /*byte2*/0, 1858 softc->minimum_cmd_size, 1859 /*lba*/bp->bio_pblkno, 1860 /*block_count*/bp->bio_bcount / 1861 softc->params.secsize, 1862 /*data_ptr*/ bp->bio_data, 1863 /*dxfer_len*/ bp->bio_bcount, 1864 /*sense_len*/SSD_FULL_SIZE, 1865 da_default_timeout * 1000); 1866 break; 1867 case BIO_FLUSH: 1868 /* 1869 * BIO_FLUSH doesn't currently communicate 1870 * range data, so we synchronize the cache 1871 * over the whole disk. We also force 1872 * ordered tag semantics the flush applies 1873 * to all previously queued I/O. 1874 */ 1875 scsi_synchronize_cache(&start_ccb->csio, 1876 /*retries*/1, 1877 /*cbfcnp*/dadone, 1878 MSG_ORDERED_Q_TAG, 1879 /*begin_lba*/0, 1880 /*lb_count*/0, 1881 SSD_FULL_SIZE, 1882 da_default_timeout*1000); 1883 break; 1884 } 1885 start_ccb->ccb_h.ccb_state = DA_CCB_BUFFER_IO; 1886 1887 out: 1888 /* 1889 * Block out any asyncronous callbacks 1890 * while we touch the pending ccb list. 1891 */ 1892 LIST_INSERT_HEAD(&softc->pending_ccbs, 1893 &start_ccb->ccb_h, periph_links.le); 1894 softc->outstanding_cmds++; 1895 1896 /* We expect a unit attention from this device */ 1897 if ((softc->flags & DA_FLAG_RETRY_UA) != 0) { 1898 start_ccb->ccb_h.ccb_state |= DA_CCB_RETRY_UA; 1899 softc->flags &= ~DA_FLAG_RETRY_UA; 1900 } 1901 1902 start_ccb->ccb_h.ccb_bp = bp; 1903 xpt_action(start_ccb); 1904 1905 /* May have more work to do, so ensure we stay scheduled */ 1906 daschedule(periph); 1907 break; 1908 } 1909 case DA_STATE_PROBE: 1910 { 1911 struct ccb_scsiio *csio; 1912 struct scsi_read_capacity_data *rcap; 1913 1914 rcap = (struct scsi_read_capacity_data *) 1915 malloc(sizeof(*rcap), M_SCSIDA, M_NOWAIT|M_ZERO); 1916 if (rcap == NULL) { 1917 printf("dastart: Couldn't malloc read_capacity data\n"); 1918 /* da_free_periph??? */ 1919 break; 1920 } 1921 csio = &start_ccb->csio; 1922 scsi_read_capacity(csio, 1923 /*retries*/4, 1924 dadone, 1925 MSG_SIMPLE_Q_TAG, 1926 rcap, 1927 SSD_FULL_SIZE, 1928 /*timeout*/5000); 1929 start_ccb->ccb_h.ccb_bp = NULL; 1930 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE; 1931 xpt_action(start_ccb); 1932 break; 1933 } 1934 case DA_STATE_PROBE2: 1935 { 1936 struct ccb_scsiio *csio; 1937 struct scsi_read_capacity_data_long *rcaplong; 1938 1939 rcaplong = (struct scsi_read_capacity_data_long *) 1940 malloc(sizeof(*rcaplong), M_SCSIDA, M_NOWAIT|M_ZERO); 1941 if (rcaplong == NULL) { 1942 printf("dastart: Couldn't malloc read_capacity data\n"); 1943 /* da_free_periph??? */ 1944 break; 1945 } 1946 csio = &start_ccb->csio; 1947 scsi_read_capacity_16(csio, 1948 /*retries*/ 4, 1949 /*cbfcnp*/ dadone, 1950 /*tag_action*/ MSG_SIMPLE_Q_TAG, 1951 /*lba*/ 0, 1952 /*reladr*/ 0, 1953 /*pmi*/ 0, 1954 /*rcap_buf*/ (uint8_t *)rcaplong, 1955 /*rcap_buf_len*/ sizeof(*rcaplong), 1956 /*sense_len*/ SSD_FULL_SIZE, 1957 /*timeout*/ 60000); 1958 start_ccb->ccb_h.ccb_bp = NULL; 1959 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE2; 1960 xpt_action(start_ccb); 1961 break; 1962 } 1963 } 1964 } 1965 1966 static int 1967 cmd6workaround(union ccb *ccb) 1968 { 1969 struct scsi_rw_6 cmd6; 1970 struct scsi_rw_10 *cmd10; 1971 struct da_softc *softc; 1972 u_int8_t *cdb; 1973 struct bio *bp; 1974 int frozen; 1975 1976 cdb = ccb->csio.cdb_io.cdb_bytes; 1977 softc = (struct da_softc *)xpt_path_periph(ccb->ccb_h.path)->softc; 1978 1979 if (ccb->ccb_h.ccb_state == DA_CCB_DELETE) { 1980 if (softc->delete_method == DA_DELETE_UNMAP) { 1981 xpt_print(ccb->ccb_h.path, "UNMAP is not supported, " 1982 "switching to WRITE SAME(16) with UNMAP.\n"); 1983 softc->delete_method = DA_DELETE_WS16; 1984 } else if (softc->delete_method == DA_DELETE_WS16) { 1985 xpt_print(ccb->ccb_h.path, 1986 "WRITE SAME(16) with UNMAP is not supported, " 1987 "disabling BIO_DELETE.\n"); 1988 softc->delete_method = DA_DELETE_DISABLE; 1989 } else if (softc->delete_method == DA_DELETE_WS10) { 1990 xpt_print(ccb->ccb_h.path, 1991 "WRITE SAME(10) with UNMAP is not supported, " 1992 "disabling BIO_DELETE.\n"); 1993 softc->delete_method = DA_DELETE_DISABLE; 1994 } else if (softc->delete_method == DA_DELETE_ZERO) { 1995 xpt_print(ccb->ccb_h.path, 1996 "WRITE SAME(10) is not supported, " 1997 "disabling BIO_DELETE.\n"); 1998 softc->delete_method = DA_DELETE_DISABLE; 1999 } else 2000 softc->delete_method = DA_DELETE_DISABLE; 2001 while ((bp = bioq_takefirst(&softc->delete_run_queue)) 2002 != NULL) 2003 bioq_disksort(&softc->delete_queue, bp); 2004 bioq_insert_tail(&softc->delete_queue, 2005 (struct bio *)ccb->ccb_h.ccb_bp); 2006 ccb->ccb_h.ccb_bp = NULL; 2007 return (0); 2008 } 2009 2010 /* Translation only possible if CDB is an array and cmd is R/W6 */ 2011 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0 || 2012 (*cdb != READ_6 && *cdb != WRITE_6)) 2013 return 0; 2014 2015 xpt_print(ccb->ccb_h.path, "READ(6)/WRITE(6) not supported, " 2016 "increasing minimum_cmd_size to 10.\n"); 2017 softc->minimum_cmd_size = 10; 2018 2019 bcopy(cdb, &cmd6, sizeof(struct scsi_rw_6)); 2020 cmd10 = (struct scsi_rw_10 *)cdb; 2021 cmd10->opcode = (cmd6.opcode == READ_6) ? READ_10 : WRITE_10; 2022 cmd10->byte2 = 0; 2023 scsi_ulto4b(scsi_3btoul(cmd6.addr), cmd10->addr); 2024 cmd10->reserved = 0; 2025 scsi_ulto2b(cmd6.length, cmd10->length); 2026 cmd10->control = cmd6.control; 2027 ccb->csio.cdb_len = sizeof(*cmd10); 2028 2029 /* Requeue request, unfreezing queue if necessary */ 2030 frozen = (ccb->ccb_h.status & CAM_DEV_QFRZN) != 0; 2031 ccb->ccb_h.status = CAM_REQUEUE_REQ; 2032 xpt_action(ccb); 2033 if (frozen) { 2034 cam_release_devq(ccb->ccb_h.path, 2035 /*relsim_flags*/0, 2036 /*reduction*/0, 2037 /*timeout*/0, 2038 /*getcount_only*/0); 2039 } 2040 return (ERESTART); 2041 } 2042 2043 static void 2044 dadone(struct cam_periph *periph, union ccb *done_ccb) 2045 { 2046 struct da_softc *softc; 2047 struct ccb_scsiio *csio; 2048 u_int32_t priority; 2049 2050 softc = (struct da_softc *)periph->softc; 2051 priority = done_ccb->ccb_h.pinfo.priority; 2052 csio = &done_ccb->csio; 2053 switch (csio->ccb_h.ccb_state & DA_CCB_TYPE_MASK) { 2054 case DA_CCB_BUFFER_IO: 2055 case DA_CCB_DELETE: 2056 { 2057 struct bio *bp, *bp1; 2058 2059 bp = (struct bio *)done_ccb->ccb_h.ccb_bp; 2060 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 2061 int error; 2062 int sf; 2063 2064 if ((csio->ccb_h.ccb_state & DA_CCB_RETRY_UA) != 0) 2065 sf = SF_RETRY_UA; 2066 else 2067 sf = 0; 2068 2069 error = daerror(done_ccb, CAM_RETRY_SELTO, sf); 2070 if (error == ERESTART) { 2071 /* 2072 * A retry was scheuled, so 2073 * just return. 2074 */ 2075 return; 2076 } 2077 bp = (struct bio *)done_ccb->ccb_h.ccb_bp; 2078 if (error != 0) { 2079 int queued_error; 2080 2081 /* 2082 * return all queued I/O with EIO, so that 2083 * the client can retry these I/Os in the 2084 * proper order should it attempt to recover. 2085 */ 2086 queued_error = EIO; 2087 2088 if (error == ENXIO 2089 && (softc->flags & DA_FLAG_PACK_INVALID)== 0) { 2090 /* 2091 * Catastrophic error. Mark our pack as 2092 * invalid. 2093 */ 2094 /* 2095 * XXX See if this is really a media 2096 * XXX change first? 2097 */ 2098 xpt_print(periph->path, 2099 "Invalidating pack\n"); 2100 softc->flags |= DA_FLAG_PACK_INVALID; 2101 queued_error = ENXIO; 2102 } 2103 bioq_flush(&softc->bio_queue, NULL, 2104 queued_error); 2105 if (bp != NULL) { 2106 bp->bio_error = error; 2107 bp->bio_resid = bp->bio_bcount; 2108 bp->bio_flags |= BIO_ERROR; 2109 } 2110 } else if (bp != NULL) { 2111 bp->bio_resid = csio->resid; 2112 bp->bio_error = 0; 2113 if (bp->bio_resid != 0) 2114 bp->bio_flags |= BIO_ERROR; 2115 } 2116 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 2117 cam_release_devq(done_ccb->ccb_h.path, 2118 /*relsim_flags*/0, 2119 /*reduction*/0, 2120 /*timeout*/0, 2121 /*getcount_only*/0); 2122 } else if (bp != NULL) { 2123 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 2124 panic("REQ_CMP with QFRZN"); 2125 bp->bio_resid = csio->resid; 2126 if (csio->resid > 0) 2127 bp->bio_flags |= BIO_ERROR; 2128 if (softc->error_inject != 0) { 2129 bp->bio_error = softc->error_inject; 2130 bp->bio_resid = bp->bio_bcount; 2131 bp->bio_flags |= BIO_ERROR; 2132 softc->error_inject = 0; 2133 } 2134 2135 } 2136 2137 /* 2138 * Block out any asyncronous callbacks 2139 * while we touch the pending ccb list. 2140 */ 2141 LIST_REMOVE(&done_ccb->ccb_h, periph_links.le); 2142 softc->outstanding_cmds--; 2143 if (softc->outstanding_cmds == 0) 2144 softc->flags |= DA_FLAG_WENT_IDLE; 2145 2146 if ((softc->flags & DA_FLAG_PACK_INVALID) != 0) { 2147 xpt_print(periph->path, "oustanding %d\n", 2148 softc->outstanding_cmds); 2149 } 2150 2151 if ((csio->ccb_h.ccb_state & DA_CCB_TYPE_MASK) == 2152 DA_CCB_DELETE) { 2153 while ((bp1 = bioq_takefirst(&softc->delete_run_queue)) 2154 != NULL) { 2155 bp1->bio_resid = bp->bio_resid; 2156 bp1->bio_error = bp->bio_error; 2157 if (bp->bio_flags & BIO_ERROR) 2158 bp1->bio_flags |= BIO_ERROR; 2159 biodone(bp1); 2160 } 2161 softc->delete_running = 0; 2162 if (bp != NULL) 2163 biodone(bp); 2164 daschedule(periph); 2165 } else if (bp != NULL) 2166 biodone(bp); 2167 break; 2168 } 2169 case DA_CCB_PROBE: 2170 case DA_CCB_PROBE2: 2171 { 2172 struct scsi_read_capacity_data *rdcap; 2173 struct scsi_read_capacity_data_long *rcaplong; 2174 char announce_buf[80]; 2175 2176 rdcap = NULL; 2177 rcaplong = NULL; 2178 if (softc->state == DA_STATE_PROBE) 2179 rdcap =(struct scsi_read_capacity_data *)csio->data_ptr; 2180 else 2181 rcaplong = (struct scsi_read_capacity_data_long *) 2182 csio->data_ptr; 2183 2184 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 2185 struct disk_params *dp; 2186 uint32_t block_size; 2187 uint64_t maxsector; 2188 u_int lbppbe; /* LB per physical block exponent. */ 2189 u_int lalba; /* Lowest aligned LBA. */ 2190 2191 if (softc->state == DA_STATE_PROBE) { 2192 block_size = scsi_4btoul(rdcap->length); 2193 maxsector = scsi_4btoul(rdcap->addr); 2194 lbppbe = 0; 2195 lalba = 0; 2196 2197 /* 2198 * According to SBC-2, if the standard 10 2199 * byte READ CAPACITY command returns 2^32, 2200 * we should issue the 16 byte version of 2201 * the command, since the device in question 2202 * has more sectors than can be represented 2203 * with the short version of the command. 2204 */ 2205 if (maxsector == 0xffffffff) { 2206 softc->state = DA_STATE_PROBE2; 2207 free(rdcap, M_SCSIDA); 2208 xpt_release_ccb(done_ccb); 2209 xpt_schedule(periph, priority); 2210 return; 2211 } 2212 } else { 2213 block_size = scsi_4btoul(rcaplong->length); 2214 maxsector = scsi_8btou64(rcaplong->addr); 2215 lbppbe = rcaplong->prot_lbppbe & SRC16_LBPPBE; 2216 lalba = scsi_2btoul(rcaplong->lalba_lbp); 2217 } 2218 2219 /* 2220 * Because GEOM code just will panic us if we 2221 * give them an 'illegal' value we'll avoid that 2222 * here. 2223 */ 2224 if (block_size == 0 && maxsector == 0) { 2225 snprintf(announce_buf, sizeof(announce_buf), 2226 "0MB (no media?)"); 2227 } else if (block_size >= MAXPHYS || block_size == 0) { 2228 xpt_print(periph->path, 2229 "unsupportable block size %ju\n", 2230 (uintmax_t) block_size); 2231 announce_buf[0] = '\0'; 2232 cam_periph_invalidate(periph); 2233 } else { 2234 /* 2235 * We pass rcaplong into dasetgeom(), 2236 * because it will only use it if it is 2237 * non-NULL. 2238 */ 2239 dasetgeom(periph, block_size, maxsector, 2240 rcaplong, sizeof(*rcaplong)); 2241 if ((lalba & SRC16_LBPME_A) 2242 && softc->delete_method == DA_DELETE_NONE) 2243 softc->delete_method = DA_DELETE_UNMAP; 2244 dp = &softc->params; 2245 snprintf(announce_buf, sizeof(announce_buf), 2246 "%juMB (%ju %u byte sectors: %dH %dS/T " 2247 "%dC)", (uintmax_t) 2248 (((uintmax_t)dp->secsize * 2249 dp->sectors) / (1024*1024)), 2250 (uintmax_t)dp->sectors, 2251 dp->secsize, dp->heads, 2252 dp->secs_per_track, dp->cylinders); 2253 } 2254 } else { 2255 int error; 2256 2257 announce_buf[0] = '\0'; 2258 2259 /* 2260 * Retry any UNIT ATTENTION type errors. They 2261 * are expected at boot. 2262 */ 2263 error = daerror(done_ccb, CAM_RETRY_SELTO, 2264 SF_RETRY_UA|SF_NO_PRINT); 2265 if (error == ERESTART) { 2266 /* 2267 * A retry was scheuled, so 2268 * just return. 2269 */ 2270 return; 2271 } else if (error != 0) { 2272 struct scsi_sense_data *sense; 2273 int asc, ascq; 2274 int sense_key, error_code; 2275 int have_sense; 2276 cam_status status; 2277 struct ccb_getdev cgd; 2278 2279 /* Don't wedge this device's queue */ 2280 status = done_ccb->ccb_h.status; 2281 if ((status & CAM_DEV_QFRZN) != 0) 2282 cam_release_devq(done_ccb->ccb_h.path, 2283 /*relsim_flags*/0, 2284 /*reduction*/0, 2285 /*timeout*/0, 2286 /*getcount_only*/0); 2287 2288 2289 xpt_setup_ccb(&cgd.ccb_h, 2290 done_ccb->ccb_h.path, 2291 CAM_PRIORITY_NORMAL); 2292 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 2293 xpt_action((union ccb *)&cgd); 2294 2295 if (((csio->ccb_h.flags & CAM_SENSE_PHYS) != 0) 2296 || ((csio->ccb_h.flags & CAM_SENSE_PTR) != 0) 2297 || ((status & CAM_AUTOSNS_VALID) == 0)) 2298 have_sense = FALSE; 2299 else 2300 have_sense = TRUE; 2301 2302 if (have_sense) { 2303 sense = &csio->sense_data; 2304 scsi_extract_sense_len(sense, 2305 csio->sense_len - csio->sense_resid, 2306 &error_code, &sense_key, &asc, 2307 &ascq, /*show_errors*/ 1); 2308 } 2309 /* 2310 * If we tried READ CAPACITY(16) and failed, 2311 * fallback to READ CAPACITY(10). 2312 */ 2313 if ((softc->state == DA_STATE_PROBE2) && 2314 (softc->flags & DA_FLAG_CAN_RC16) && 2315 (((csio->ccb_h.status & CAM_STATUS_MASK) == 2316 CAM_REQ_INVALID) || 2317 ((have_sense) && 2318 (error_code == SSD_CURRENT_ERROR) && 2319 (sense_key == SSD_KEY_ILLEGAL_REQUEST)))) { 2320 softc->flags &= ~DA_FLAG_CAN_RC16; 2321 softc->state = DA_STATE_PROBE; 2322 free(rdcap, M_SCSIDA); 2323 xpt_release_ccb(done_ccb); 2324 xpt_schedule(periph, priority); 2325 return; 2326 } else 2327 /* 2328 * Attach to anything that claims to be a 2329 * direct access or optical disk device, 2330 * as long as it doesn't return a "Logical 2331 * unit not supported" (0x25) error. 2332 */ 2333 if ((have_sense) && (asc != 0x25) 2334 && (error_code == SSD_CURRENT_ERROR)) { 2335 const char *sense_key_desc; 2336 const char *asc_desc; 2337 2338 scsi_sense_desc(sense_key, asc, ascq, 2339 &cgd.inq_data, 2340 &sense_key_desc, 2341 &asc_desc); 2342 snprintf(announce_buf, 2343 sizeof(announce_buf), 2344 "Attempt to query device " 2345 "size failed: %s, %s", 2346 sense_key_desc, 2347 asc_desc); 2348 } else { 2349 if (have_sense) 2350 scsi_sense_print( 2351 &done_ccb->csio); 2352 else { 2353 xpt_print(periph->path, 2354 "got CAM status %#x\n", 2355 done_ccb->ccb_h.status); 2356 } 2357 2358 xpt_print(periph->path, "fatal error, " 2359 "failed to attach to device\n"); 2360 2361 /* 2362 * Free up resources. 2363 */ 2364 cam_periph_invalidate(periph); 2365 } 2366 } 2367 } 2368 free(csio->data_ptr, M_SCSIDA); 2369 if (announce_buf[0] != '\0') { 2370 /* 2371 * Create our sysctl variables, now that we know 2372 * we have successfully attached. 2373 */ 2374 /* increase the refcount */ 2375 if (cam_periph_acquire(periph) == CAM_REQ_CMP) { 2376 taskqueue_enqueue(taskqueue_thread, 2377 &softc->sysctl_task); 2378 xpt_announce_periph(periph, announce_buf); 2379 } else { 2380 xpt_print(periph->path, "fatal error, " 2381 "could not acquire reference count\n"); 2382 } 2383 2384 } 2385 softc->state = DA_STATE_NORMAL; 2386 /* 2387 * Since our peripheral may be invalidated by an error 2388 * above or an external event, we must release our CCB 2389 * before releasing the probe lock on the peripheral. 2390 * The peripheral will only go away once the last lock 2391 * is removed, and we need it around for the CCB release 2392 * operation. 2393 */ 2394 xpt_release_ccb(done_ccb); 2395 cam_periph_unhold(periph); 2396 return; 2397 } 2398 case DA_CCB_WAITING: 2399 { 2400 /* Caller will release the CCB */ 2401 wakeup(&done_ccb->ccb_h.cbfcnp); 2402 return; 2403 } 2404 case DA_CCB_DUMP: 2405 /* No-op. We're polling */ 2406 return; 2407 default: 2408 break; 2409 } 2410 xpt_release_ccb(done_ccb); 2411 } 2412 2413 static int 2414 daerror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags) 2415 { 2416 struct da_softc *softc; 2417 struct cam_periph *periph; 2418 int error; 2419 2420 periph = xpt_path_periph(ccb->ccb_h.path); 2421 softc = (struct da_softc *)periph->softc; 2422 2423 /* 2424 * Automatically detect devices that do not support 2425 * READ(6)/WRITE(6) and upgrade to using 10 byte cdbs. 2426 */ 2427 error = 0; 2428 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INVALID) { 2429 error = cmd6workaround(ccb); 2430 } else if (((ccb->ccb_h.status & CAM_STATUS_MASK) == 2431 CAM_SCSI_STATUS_ERROR) 2432 && (ccb->ccb_h.status & CAM_AUTOSNS_VALID) 2433 && (ccb->csio.scsi_status == SCSI_STATUS_CHECK_COND) 2434 && ((ccb->ccb_h.flags & CAM_SENSE_PHYS) == 0) 2435 && ((ccb->ccb_h.flags & CAM_SENSE_PTR) == 0)) { 2436 int sense_key, error_code, asc, ascq; 2437 2438 scsi_extract_sense(&ccb->csio.sense_data, 2439 &error_code, &sense_key, &asc, &ascq); 2440 if (sense_key == SSD_KEY_ILLEGAL_REQUEST) 2441 error = cmd6workaround(ccb); 2442 } 2443 if (error == ERESTART) 2444 return (ERESTART); 2445 2446 /* 2447 * XXX 2448 * Until we have a better way of doing pack validation, 2449 * don't treat UAs as errors. 2450 */ 2451 sense_flags |= SF_RETRY_UA; 2452 return(cam_periph_error(ccb, cam_flags, sense_flags, 2453 &softc->saved_ccb)); 2454 } 2455 2456 static void 2457 daprevent(struct cam_periph *periph, int action) 2458 { 2459 struct da_softc *softc; 2460 union ccb *ccb; 2461 int error; 2462 2463 softc = (struct da_softc *)periph->softc; 2464 2465 if (((action == PR_ALLOW) 2466 && (softc->flags & DA_FLAG_PACK_LOCKED) == 0) 2467 || ((action == PR_PREVENT) 2468 && (softc->flags & DA_FLAG_PACK_LOCKED) != 0)) { 2469 return; 2470 } 2471 2472 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 2473 2474 scsi_prevent(&ccb->csio, 2475 /*retries*/1, 2476 /*cbcfp*/dadone, 2477 MSG_SIMPLE_Q_TAG, 2478 action, 2479 SSD_FULL_SIZE, 2480 5000); 2481 2482 error = cam_periph_runccb(ccb, /*error_routine*/NULL, CAM_RETRY_SELTO, 2483 SF_RETRY_UA, softc->disk->d_devstat); 2484 2485 if (error == 0) { 2486 if (action == PR_ALLOW) 2487 softc->flags &= ~DA_FLAG_PACK_LOCKED; 2488 else 2489 softc->flags |= DA_FLAG_PACK_LOCKED; 2490 } 2491 2492 xpt_release_ccb(ccb); 2493 } 2494 2495 static int 2496 dagetcapacity(struct cam_periph *periph) 2497 { 2498 struct da_softc *softc; 2499 union ccb *ccb; 2500 struct scsi_read_capacity_data *rcap; 2501 struct scsi_read_capacity_data_long *rcaplong; 2502 uint32_t block_len; 2503 uint64_t maxsector; 2504 int error, rc16failed; 2505 u_int32_t sense_flags; 2506 u_int lbppbe; /* Logical blocks per physical block exponent. */ 2507 u_int lalba; /* Lowest aligned LBA. */ 2508 2509 softc = (struct da_softc *)periph->softc; 2510 block_len = 0; 2511 maxsector = 0; 2512 lbppbe = 0; 2513 lalba = 0; 2514 error = 0; 2515 rc16failed = 0; 2516 rcaplong = NULL; 2517 sense_flags = SF_RETRY_UA; 2518 if (softc->flags & DA_FLAG_PACK_REMOVABLE) 2519 sense_flags |= SF_NO_PRINT; 2520 2521 /* Do a read capacity */ 2522 rcap = (struct scsi_read_capacity_data *)malloc(sizeof(*rcaplong), 2523 M_SCSIDA, 2524 M_NOWAIT | M_ZERO); 2525 if (rcap == NULL) 2526 return (ENOMEM); 2527 rcaplong = (struct scsi_read_capacity_data_long *)rcap; 2528 2529 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 2530 2531 /* Try READ CAPACITY(16) first if we think it should work. */ 2532 if (softc->flags & DA_FLAG_CAN_RC16) { 2533 scsi_read_capacity_16(&ccb->csio, 2534 /*retries*/ 4, 2535 /*cbfcnp*/ dadone, 2536 /*tag_action*/ MSG_SIMPLE_Q_TAG, 2537 /*lba*/ 0, 2538 /*reladr*/ 0, 2539 /*pmi*/ 0, 2540 /*rcap_buf*/ (uint8_t *)rcaplong, 2541 /*rcap_buf_len*/ sizeof(*rcaplong), 2542 /*sense_len*/ SSD_FULL_SIZE, 2543 /*timeout*/ 60000); 2544 ccb->ccb_h.ccb_bp = NULL; 2545 2546 error = cam_periph_runccb(ccb, daerror, 2547 /*cam_flags*/CAM_RETRY_SELTO, 2548 sense_flags, softc->disk->d_devstat); 2549 if (error == 0) 2550 goto rc16ok; 2551 2552 /* If we got ILLEGAL REQUEST, do not prefer RC16 any more. */ 2553 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INVALID) { 2554 softc->flags &= ~DA_FLAG_CAN_RC16; 2555 } else if (((ccb->ccb_h.status & CAM_STATUS_MASK) == 2556 CAM_SCSI_STATUS_ERROR) 2557 && (ccb->csio.scsi_status == SCSI_STATUS_CHECK_COND) 2558 && (ccb->ccb_h.status & CAM_AUTOSNS_VALID) 2559 && ((ccb->ccb_h.flags & CAM_SENSE_PHYS) == 0) 2560 && ((ccb->ccb_h.flags & CAM_SENSE_PTR) == 0)) { 2561 int sense_key, error_code, asc, ascq; 2562 2563 scsi_extract_sense_len(&ccb->csio.sense_data, 2564 ccb->csio.sense_len - 2565 ccb->csio.sense_resid, 2566 &error_code, &sense_key, 2567 &asc, &ascq, /*show_errors*/1); 2568 /* 2569 * If we don't have enough sense to get the sense 2570 * key, or if it's illegal request, turn off 2571 * READ CAPACITY (16). 2572 */ 2573 if ((sense_key == -1) 2574 || (sense_key == SSD_KEY_ILLEGAL_REQUEST)) 2575 softc->flags &= ~DA_FLAG_CAN_RC16; 2576 } 2577 rc16failed = 1; 2578 } 2579 2580 /* Do READ CAPACITY(10). */ 2581 scsi_read_capacity(&ccb->csio, 2582 /*retries*/4, 2583 /*cbfncp*/dadone, 2584 MSG_SIMPLE_Q_TAG, 2585 rcap, 2586 SSD_FULL_SIZE, 2587 /*timeout*/60000); 2588 ccb->ccb_h.ccb_bp = NULL; 2589 2590 error = cam_periph_runccb(ccb, daerror, 2591 /*cam_flags*/CAM_RETRY_SELTO, 2592 sense_flags, 2593 softc->disk->d_devstat); 2594 if (error == 0) { 2595 block_len = scsi_4btoul(rcap->length); 2596 maxsector = scsi_4btoul(rcap->addr); 2597 2598 if (maxsector != 0xffffffff || rc16failed) 2599 goto done; 2600 } else 2601 goto done; 2602 2603 /* If READ CAPACITY(10) returned overflow, use READ CAPACITY(16) */ 2604 scsi_read_capacity_16(&ccb->csio, 2605 /*retries*/ 4, 2606 /*cbfcnp*/ dadone, 2607 /*tag_action*/ MSG_SIMPLE_Q_TAG, 2608 /*lba*/ 0, 2609 /*reladr*/ 0, 2610 /*pmi*/ 0, 2611 /*rcap_buf*/ (uint8_t *)rcaplong, 2612 /*rcap_buf_len*/ sizeof(*rcaplong), 2613 /*sense_len*/ SSD_FULL_SIZE, 2614 /*timeout*/ 60000); 2615 ccb->ccb_h.ccb_bp = NULL; 2616 2617 error = cam_periph_runccb(ccb, daerror, 2618 /*cam_flags*/CAM_RETRY_SELTO, 2619 sense_flags, 2620 softc->disk->d_devstat); 2621 if (error == 0) { 2622 rc16ok: 2623 block_len = scsi_4btoul(rcaplong->length); 2624 maxsector = scsi_8btou64(rcaplong->addr); 2625 lbppbe = rcaplong->prot_lbppbe & SRC16_LBPPBE; 2626 lalba = scsi_2btoul(rcaplong->lalba_lbp); 2627 } 2628 2629 done: 2630 2631 if (error == 0) { 2632 if (block_len >= MAXPHYS || block_len == 0) { 2633 xpt_print(periph->path, 2634 "unsupportable block size %ju\n", 2635 (uintmax_t) block_len); 2636 error = EINVAL; 2637 } else { 2638 dasetgeom(periph, block_len, maxsector, 2639 rcaplong, sizeof(*rcaplong)); 2640 if ((lalba & SRC16_LBPME) 2641 && softc->delete_method == DA_DELETE_NONE) 2642 softc->delete_method = DA_DELETE_UNMAP; 2643 } 2644 } 2645 2646 xpt_release_ccb(ccb); 2647 2648 free(rcap, M_SCSIDA); 2649 2650 return (error); 2651 } 2652 2653 static void 2654 dasetgeom(struct cam_periph *periph, uint32_t block_len, uint64_t maxsector, 2655 struct scsi_read_capacity_data_long *rcaplong, size_t rcap_len) 2656 { 2657 struct ccb_calc_geometry ccg; 2658 struct da_softc *softc; 2659 struct disk_params *dp; 2660 u_int lbppbe, lalba; 2661 2662 softc = (struct da_softc *)periph->softc; 2663 2664 dp = &softc->params; 2665 dp->secsize = block_len; 2666 dp->sectors = maxsector + 1; 2667 if (rcaplong != NULL) { 2668 lbppbe = rcaplong->prot_lbppbe & SRC16_LBPPBE; 2669 lalba = scsi_2btoul(rcaplong->lalba_lbp); 2670 lalba &= SRC16_LALBA_A; 2671 } else { 2672 lbppbe = 0; 2673 lalba = 0; 2674 } 2675 2676 if (lbppbe > 0) { 2677 dp->stripesize = block_len << lbppbe; 2678 dp->stripeoffset = (dp->stripesize - block_len * lalba) % 2679 dp->stripesize; 2680 } else if (softc->quirks & DA_Q_4K) { 2681 dp->stripesize = 4096; 2682 dp->stripeoffset = 0; 2683 } else { 2684 dp->stripesize = 0; 2685 dp->stripeoffset = 0; 2686 } 2687 /* 2688 * Have the controller provide us with a geometry 2689 * for this disk. The only time the geometry 2690 * matters is when we boot and the controller 2691 * is the only one knowledgeable enough to come 2692 * up with something that will make this a bootable 2693 * device. 2694 */ 2695 xpt_setup_ccb(&ccg.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 2696 ccg.ccb_h.func_code = XPT_CALC_GEOMETRY; 2697 ccg.block_size = dp->secsize; 2698 ccg.volume_size = dp->sectors; 2699 ccg.heads = 0; 2700 ccg.secs_per_track = 0; 2701 ccg.cylinders = 0; 2702 xpt_action((union ccb*)&ccg); 2703 if ((ccg.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 2704 /* 2705 * We don't know what went wrong here- but just pick 2706 * a geometry so we don't have nasty things like divide 2707 * by zero. 2708 */ 2709 dp->heads = 255; 2710 dp->secs_per_track = 255; 2711 dp->cylinders = dp->sectors / (255 * 255); 2712 if (dp->cylinders == 0) { 2713 dp->cylinders = 1; 2714 } 2715 } else { 2716 dp->heads = ccg.heads; 2717 dp->secs_per_track = ccg.secs_per_track; 2718 dp->cylinders = ccg.cylinders; 2719 } 2720 2721 /* 2722 * If the user supplied a read capacity buffer, and if it is 2723 * different than the previous buffer, update the data in the EDT. 2724 * If it's the same, we don't bother. This avoids sending an 2725 * update every time someone opens this device. 2726 */ 2727 if ((rcaplong != NULL) 2728 && (bcmp(rcaplong, &softc->rcaplong, 2729 min(sizeof(softc->rcaplong), rcap_len)) != 0)) { 2730 struct ccb_dev_advinfo cdai; 2731 2732 xpt_setup_ccb(&cdai.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 2733 cdai.ccb_h.func_code = XPT_DEV_ADVINFO; 2734 cdai.buftype = CDAI_TYPE_RCAPLONG; 2735 cdai.flags |= CDAI_FLAG_STORE; 2736 cdai.bufsiz = rcap_len; 2737 cdai.buf = (uint8_t *)rcaplong; 2738 xpt_action((union ccb *)&cdai); 2739 if ((cdai.ccb_h.status & CAM_DEV_QFRZN) != 0) 2740 cam_release_devq(cdai.ccb_h.path, 0, 0, 0, FALSE); 2741 if (cdai.ccb_h.status != CAM_REQ_CMP) { 2742 xpt_print(periph->path, "%s: failed to set read " 2743 "capacity advinfo\n", __func__); 2744 /* Use cam_error_print() to decode the status */ 2745 cam_error_print((union ccb *)&cdai, CAM_ESF_CAM_STATUS, 2746 CAM_EPF_ALL); 2747 } else { 2748 bcopy(rcaplong, &softc->rcaplong, 2749 min(sizeof(softc->rcaplong), rcap_len)); 2750 } 2751 } 2752 } 2753 2754 static void 2755 dasendorderedtag(void *arg) 2756 { 2757 struct da_softc *softc = arg; 2758 2759 if (da_send_ordered) { 2760 if ((softc->ordered_tag_count == 0) 2761 && ((softc->flags & DA_FLAG_WENT_IDLE) == 0)) { 2762 softc->flags |= DA_FLAG_NEED_OTAG; 2763 } 2764 if (softc->outstanding_cmds > 0) 2765 softc->flags &= ~DA_FLAG_WENT_IDLE; 2766 2767 softc->ordered_tag_count = 0; 2768 } 2769 /* Queue us up again */ 2770 callout_reset(&softc->sendordered_c, 2771 (DA_DEFAULT_TIMEOUT * hz) / DA_ORDEREDTAG_INTERVAL, 2772 dasendorderedtag, softc); 2773 } 2774 2775 /* 2776 * Step through all DA peripheral drivers, and if the device is still open, 2777 * sync the disk cache to physical media. 2778 */ 2779 static void 2780 dashutdown(void * arg, int howto) 2781 { 2782 struct cam_periph *periph; 2783 struct da_softc *softc; 2784 2785 TAILQ_FOREACH(periph, &dadriver.units, unit_links) { 2786 union ccb ccb; 2787 2788 cam_periph_lock(periph); 2789 softc = (struct da_softc *)periph->softc; 2790 2791 /* 2792 * We only sync the cache if the drive is still open, and 2793 * if the drive is capable of it.. 2794 */ 2795 if (((softc->flags & DA_FLAG_OPEN) == 0) 2796 || (softc->quirks & DA_Q_NO_SYNC_CACHE)) { 2797 cam_periph_unlock(periph); 2798 continue; 2799 } 2800 2801 xpt_setup_ccb(&ccb.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 2802 2803 ccb.ccb_h.ccb_state = DA_CCB_DUMP; 2804 scsi_synchronize_cache(&ccb.csio, 2805 /*retries*/1, 2806 /*cbfcnp*/dadone, 2807 MSG_SIMPLE_Q_TAG, 2808 /*begin_lba*/0, /* whole disk */ 2809 /*lb_count*/0, 2810 SSD_FULL_SIZE, 2811 60 * 60 * 1000); 2812 2813 xpt_polled_action(&ccb); 2814 2815 if ((ccb.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 2816 if (((ccb.ccb_h.status & CAM_STATUS_MASK) == 2817 CAM_SCSI_STATUS_ERROR) 2818 && (ccb.csio.scsi_status == SCSI_STATUS_CHECK_COND)){ 2819 int error_code, sense_key, asc, ascq; 2820 2821 scsi_extract_sense(&ccb.csio.sense_data, 2822 &error_code, &sense_key, 2823 &asc, &ascq); 2824 2825 if (sense_key != SSD_KEY_ILLEGAL_REQUEST) 2826 scsi_sense_print(&ccb.csio); 2827 } else { 2828 xpt_print(periph->path, "Synchronize " 2829 "cache failed, status == 0x%x, scsi status " 2830 "== 0x%x\n", ccb.ccb_h.status, 2831 ccb.csio.scsi_status); 2832 } 2833 } 2834 2835 if ((ccb.ccb_h.status & CAM_DEV_QFRZN) != 0) 2836 cam_release_devq(ccb.ccb_h.path, 2837 /*relsim_flags*/0, 2838 /*reduction*/0, 2839 /*timeout*/0, 2840 /*getcount_only*/0); 2841 cam_periph_unlock(periph); 2842 } 2843 } 2844 2845 #else /* !_KERNEL */ 2846 2847 /* 2848 * XXX This is only left out of the kernel build to silence warnings. If, 2849 * for some reason this function is used in the kernel, the ifdefs should 2850 * be moved so it is included both in the kernel and userland. 2851 */ 2852 void 2853 scsi_format_unit(struct ccb_scsiio *csio, u_int32_t retries, 2854 void (*cbfcnp)(struct cam_periph *, union ccb *), 2855 u_int8_t tag_action, u_int8_t byte2, u_int16_t ileave, 2856 u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len, 2857 u_int32_t timeout) 2858 { 2859 struct scsi_format_unit *scsi_cmd; 2860 2861 scsi_cmd = (struct scsi_format_unit *)&csio->cdb_io.cdb_bytes; 2862 scsi_cmd->opcode = FORMAT_UNIT; 2863 scsi_cmd->byte2 = byte2; 2864 scsi_ulto2b(ileave, scsi_cmd->interleave); 2865 2866 cam_fill_csio(csio, 2867 retries, 2868 cbfcnp, 2869 /*flags*/ (dxfer_len > 0) ? CAM_DIR_OUT : CAM_DIR_NONE, 2870 tag_action, 2871 data_ptr, 2872 dxfer_len, 2873 sense_len, 2874 sizeof(*scsi_cmd), 2875 timeout); 2876 } 2877 2878 #endif /* _KERNEL */ 2879