sys/cam/scsi/scsi_da.c

   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_disk.h>
  48 #endif /* _KERNEL */
  49
  50 #ifndef _KERNEL
  51 #include <stdio.h>
  52 #include <string.h>
  53 #endif /* _KERNEL */
  54
  55 #include <cam/cam.h>
  56 #include <cam/cam_ccb.h>
  57 #include <cam/cam_periph.h>
  58 #include <cam/cam_xpt_periph.h>
  59 #include <cam/cam_sim.h>
  60
  61 #include <cam/scsi/scsi_message.h>
  62
  63 #ifndef _KERNEL
  64 #include <cam/scsi/scsi_da.h>
  65 #endif /* !_KERNEL */
  66
  67 #ifdef _KERNEL
  68 typedef enum {
  69         DA_STATE_PROBE,
  70         DA_STATE_PROBE2,
  71         DA_STATE_NORMAL
  72 } da_state;
  73
  74 typedef enum {
  75         DA_FLAG_PACK_INVALID    = 0x001,
  76         DA_FLAG_NEW_PACK        = 0x002,
  77         DA_FLAG_PACK_LOCKED     = 0x004,
  78         DA_FLAG_PACK_REMOVABLE  = 0x008,
  79         DA_FLAG_TAGGED_QUEUING  = 0x010,
  80         DA_FLAG_NEED_OTAG       = 0x020,
  81         DA_FLAG_WENT_IDLE       = 0x040,
  82         DA_FLAG_RETRY_UA        = 0x080,
  83         DA_FLAG_OPEN            = 0x100,
  84         DA_FLAG_SCTX_INIT       = 0x200
  85 } da_flags;
  86
  87 typedef enum {
  88         DA_Q_NONE               = 0x00,
  89         DA_Q_NO_SYNC_CACHE      = 0x01,
  90         DA_Q_NO_6_BYTE          = 0x02,
  91         DA_Q_NO_PREVENT         = 0x04,
  92         DA_Q_4K                 = 0x08
  93 } da_quirks;
  94
  95 typedef enum {
  96         DA_CCB_PROBE            = 0x01,
  97         DA_CCB_PROBE2           = 0x02,
  98         DA_CCB_BUFFER_IO        = 0x03,
  99         DA_CCB_WAITING          = 0x04,
 100         DA_CCB_DUMP             = 0x05,
 101         DA_CCB_TYPE_MASK        = 0x0F,
 102         DA_CCB_RETRY_UA         = 0x10
 103 } da_ccb_state;
 104
 105 /* Offsets into our private area for storing information */
 106 #define ccb_state       ppriv_field0
 107 #define ccb_bp          ppriv_ptr1
 108
 109 struct disk_params {
 110         u_int8_t  heads;
 111         u_int32_t cylinders;
 112         u_int8_t  secs_per_track;
 113         u_int32_t secsize;      /* Number of bytes/sector */
 114         u_int64_t sectors;      /* total number sectors */
 115         u_int     stripesize;
 116         u_int     stripeoffset;
 117 };
 118
 119 struct da_softc {
 120         struct   bio_queue_head bio_queue;
 121         SLIST_ENTRY(da_softc) links;
 122         LIST_HEAD(, ccb_hdr) pending_ccbs;
 123         da_state state;
 124         da_flags flags;
 125         da_quirks quirks;
 126         int      minimum_cmd_size;
 127         int      error_inject;
 128         int      ordered_tag_count;
 129         int      outstanding_cmds;
 130         struct   disk_params params;
 131         struct   disk *disk;
 132         union    ccb saved_ccb;
 133         struct task             sysctl_task;
 134         struct sysctl_ctx_list  sysctl_ctx;
 135         struct sysctl_oid       *sysctl_tree;
 136         struct callout          sendordered_c;
 137 };
 138
 139 struct da_quirk_entry {
 140         struct scsi_inquiry_pattern inq_pat;
 141         da_quirks quirks;
 142 };
 143
 144 static const char quantum[] = "QUANTUM";
 145 static const char microp[] = "MICROP";
 146
 147 static struct da_quirk_entry da_quirk_table[] =
 148 {
 149         /* SPI, FC devices */
 150         {
 151                 /*
 152                  * Fujitsu M2513A MO drives.
 153                  * Tested devices: M2513A2 firmware versions 1200 & 1300.
 154                  * (dip switch selects whether T_DIRECT or T_OPTICAL device)
 155                  * Reported by: W.Scholten <whs@xs4all.nl>
 156                  */
 157                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "FUJITSU", "M2513A", "*"},
 158                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 159         },
 160         {
 161                 /* See above. */
 162                 {T_OPTICAL, SIP_MEDIA_REMOVABLE, "FUJITSU", "M2513A", "*"},
 163                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 164         },
 165         {
 166                 /*
 167                  * This particular Fujitsu drive doesn't like the
 168                  * synchronize cache command.
 169                  * Reported by: Tom Jackson <toj@gorilla.net>
 170                  */
 171                 {T_DIRECT, SIP_MEDIA_FIXED, "FUJITSU", "M2954*", "*"},
 172                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 173         },
 174         {
 175                 /*
 176                  * This drive doesn't like the synchronize cache command
 177                  * either.  Reported by: Matthew Jacob <mjacob@feral.com>
 178                  * in NetBSD PR kern/6027, August 24, 1998.
 179                  */
 180                 {T_DIRECT, SIP_MEDIA_FIXED, microp, "2217*", "*"},
 181                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 182         },
 183         {
 184                 /*
 185                  * This drive doesn't like the synchronize cache command
 186                  * either.  Reported by: Hellmuth Michaelis (hm@kts.org)
 187                  * (PR 8882).
 188                  */
 189                 {T_DIRECT, SIP_MEDIA_FIXED, microp, "2112*", "*"},
 190                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 191         },
 192         {
 193                 /*
 194                  * Doesn't like the synchronize cache command.
 195                  * Reported by: Blaz Zupan <blaz@gold.amis.net>
 196                  */
 197                 {T_DIRECT, SIP_MEDIA_FIXED, "NEC", "D3847*", "*"},
 198                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 199         },
 200         {
 201                 /*
 202                  * Doesn't like the synchronize cache command.
 203                  * Reported by: Blaz Zupan <blaz@gold.amis.net>
 204                  */
 205                 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "MAVERICK 540S", "*"},
 206                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 207         },
 208         {
 209                 /*
 210                  * Doesn't like the synchronize cache command.
 211                  */
 212                 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "LPS525S", "*"},
 213                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 214         },
 215         {
 216                 /*
 217                  * Doesn't like the synchronize cache command.
 218                  * Reported by: walter@pelissero.de
 219                  */
 220                 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "LPS540S", "*"},
 221                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 222         },
 223         {
 224                 /*
 225                  * Doesn't work correctly with 6 byte reads/writes.
 226                  * Returns illegal request, and points to byte 9 of the
 227                  * 6-byte CDB.
 228                  * Reported by:  Adam McDougall <bsdx@spawnet.com>
 229                  */
 230                 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "VIKING 4*", "*"},
 231                 /*quirks*/ DA_Q_NO_6_BYTE
 232         },
 233         {
 234                 /* See above. */
 235                 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "VIKING 2*", "*"},
 236                 /*quirks*/ DA_Q_NO_6_BYTE
 237         },
 238         {
 239                 /*
 240                  * Doesn't like the synchronize cache command.
 241                  * Reported by: walter@pelissero.de
 242                  */
 243                 {T_DIRECT, SIP_MEDIA_FIXED, "CONNER", "CP3500*", "*"},
 244                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 245         },
 246         {
 247                 /*
 248                  * The CISS RAID controllers do not support SYNC_CACHE
 249                  */
 250                 {T_DIRECT, SIP_MEDIA_FIXED, "COMPAQ", "RAID*", "*"},
 251                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 252         },
 253         /* USB mass storage devices supported by umass(4) */
 254         {
 255                 /*
 256                  * EXATELECOM (Sigmatel) i-Bead 100/105 USB Flash MP3 Player
 257                  * PR: kern/51675
 258                  */
 259                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "EXATEL", "i-BEAD10*", "*"},
 260                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 261         },
 262         {
 263                 /*
 264                  * Power Quotient Int. (PQI) USB flash key
 265                  * PR: kern/53067
 266                  */
 267                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "USB Flash Disk*",
 268                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 269         },
 270         {
 271                 /*
 272                  * Creative Nomad MUVO mp3 player (USB)
 273                  * PR: kern/53094
 274                  */
 275                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "CREATIVE", "NOMAD_MUVO", "*"},
 276                 /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT
 277         },
 278         {
 279                 /*
 280                  * Jungsoft NEXDISK USB flash key
 281                  * PR: kern/54737
 282                  */
 283                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "JUNGSOFT", "NEXDISK*", "*"},
 284                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 285         },
 286         {
 287                 /*
 288                  * FreeDik USB Mini Data Drive
 289                  * PR: kern/54786
 290                  */
 291                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "FreeDik*", "Mini Data Drive",
 292                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 293         },
 294         {
 295                 /*
 296                  * Sigmatel USB Flash MP3 Player
 297                  * PR: kern/57046
 298                  */
 299                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "SigmaTel", "MSCN", "*"},
 300                 /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT
 301         },
 302         {
 303                 /*
 304                  * Neuros USB Digital Audio Computer
 305                  * PR: kern/63645
 306                  */
 307                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "NEUROS", "dig. audio comp.",
 308                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 309         },
 310         {
 311                 /*
 312                  * SEAGRAND NP-900 MP3 Player
 313                  * PR: kern/64563
 314                  */
 315                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "SEAGRAND", "NP-900*", "*"},
 316                 /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT
 317         },
 318         {
 319                 /*
 320                  * iRiver iFP MP3 player (with UMS Firmware)
 321                  * PR: kern/54881, i386/63941, kern/66124
 322                  */
 323                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "iRiver", "iFP*", "*"},
 324                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 325         },
 326         {
 327                 /*
 328                  * Frontier Labs NEX IA+ Digital Audio Player, rev 1.10/0.01
 329                  * PR: kern/70158
 330                  */
 331                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "FL" , "Nex*", "*"},
 332                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 333         },
 334         {
 335                 /*
 336                  * ZICPlay USB MP3 Player with FM
 337                  * PR: kern/75057
 338                  */
 339                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "ACTIONS*" , "USB DISK*", "*"},
 340                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 341         },
 342         {
 343                 /*
 344                  * TEAC USB floppy mechanisms
 345                  */
 346                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "TEAC" , "FD-05*", "*"},
 347                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 348         },
 349         {
 350                 /*
 351                  * Kingston DataTraveler II+ USB Pen-Drive.
 352                  * Reported by: Pawel Jakub Dawidek <pjd@FreeBSD.org>
 353                  */
 354                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Kingston" , "DataTraveler II+",
 355                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 356         },
 357         {
 358                 /*
 359                  * Motorola E398 Mobile Phone (TransFlash memory card).
 360                  * Reported by: Wojciech A. Koszek <dunstan@FreeBSD.czest.pl>
 361                  * PR: usb/89889
 362                  */
 363                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Motorola" , "Motorola Phone",
 364                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 365         },
 366         {
 367                 /*
 368                  * Qware BeatZkey! Pro
 369                  * PR: usb/79164
 370                  */
 371                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "GENERIC", "USB DISK DEVICE",
 372                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 373         },
 374         {
 375                 /*
 376                  * Time DPA20B 1GB MP3 Player
 377                  * PR: usb/81846
 378                  */
 379                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "USB2.0*", "(FS) FLASH DISK*",
 380                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 381         },
 382         {
 383                 /*
 384                  * Samsung USB key 128Mb
 385                  * PR: usb/90081
 386                  */
 387                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "USB-DISK", "FreeDik-FlashUsb",
 388                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 389         },
 390         {
 391                 /*
 392                  * Kingston DataTraveler 2.0 USB Flash memory.
 393                  * PR: usb/89196
 394                  */
 395                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Kingston", "DataTraveler 2.0",
 396                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 397         },
 398         {
 399                 /*
 400                  * Creative MUVO Slim mp3 player (USB)
 401                  * PR: usb/86131
 402                  */
 403                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "CREATIVE", "MuVo Slim",
 404                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT
 405                 },
 406         {
 407                 /*
 408                  * United MP5512 Portable MP3 Player (2-in-1 USB DISK/MP3)
 409                  * PR: usb/80487
 410                  */
 411                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "MUSIC DISK",
 412                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 413         },
 414         {
 415                 /*
 416                  * SanDisk Micro Cruzer 128MB
 417                  * PR: usb/75970
 418                  */
 419                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "SanDisk" , "Micro Cruzer",
 420                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 421         },
 422         {
 423                 /*
 424                  * TOSHIBA TransMemory USB sticks
 425                  * PR: kern/94660
 426                  */
 427                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "TOSHIBA", "TransMemory",
 428                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 429         },
 430         {
 431                 /*
 432                  * PNY USB Flash keys
 433                  * PR: usb/75578, usb/72344, usb/65436
 434                  */
 435                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "*" , "USB DISK*",
 436                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 437         },
 438         {
 439                 /*
 440                  * Genesys 6-in-1 Card Reader
 441                  * PR: usb/94647
 442                  */
 443                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "STORAGE DEVICE*",
 444                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 445         },
 446         {
 447                 /*
 448                  * Rekam Digital CAMERA
 449                  * PR: usb/98713
 450                  */
 451                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "CAMERA*", "4MP-9J6*",
 452                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 453         },
 454         {
 455                 /*
 456                  * iRiver H10 MP3 player
 457                  * PR: usb/102547
 458                  */
 459                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "iriver", "H10*",
 460                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 461         },
 462         {
 463                 /*
 464                  * iRiver U10 MP3 player
 465                  * PR: usb/92306
 466                  */
 467                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "iriver", "U10*",
 468                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 469         },
 470         {
 471                 /*
 472                  * X-Micro Flash Disk
 473                  * PR: usb/96901
 474                  */
 475                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "X-Micro", "Flash Disk",
 476                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 477         },
 478         {
 479                 /*
 480                  * EasyMP3 EM732X USB 2.0 Flash MP3 Player
 481                  * PR: usb/96546
 482                  */
 483                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "EM732X", "MP3 Player*",
 484                 "1.00"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 485         },
 486         {
 487                 /*
 488                  * Denver MP3 player
 489                  * PR: usb/107101
 490                  */
 491                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "DENVER", "MP3 PLAYER",
 492                  "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 493         },
 494         {
 495                 /*
 496                  * Philips USB Key Audio KEY013
 497                  * PR: usb/68412
 498                  */
 499                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "PHILIPS", "Key*", "*"},
 500                 /*quirks*/ DA_Q_NO_SYNC_CACHE | DA_Q_NO_PREVENT
 501         },
 502         {
 503                 /*
 504                  * JNC MP3 Player
 505                  * PR: usb/94439
 506                  */
 507                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "JNC*" , "MP3 Player*",
 508                  "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 509         },
 510         {
 511                 /*
 512                  * SAMSUNG MP0402H
 513                  * PR: usb/108427
 514                  */
 515                 {T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "MP0402H", "*"},
 516                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 517         },
 518         {
 519                 /*
 520                  * I/O Magic USB flash - Giga Bank
 521                  * PR: usb/108810
 522                  */
 523                 {T_DIRECT, SIP_MEDIA_FIXED, "GS-Magic", "stor*", "*"},
 524                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 525         },
 526         {
 527                 /*
 528                  * JoyFly 128mb USB Flash Drive
 529                  * PR: 96133
 530                  */
 531                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "USB 2.0", "Flash Disk*",
 532                  "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 533         },
 534         {
 535                 /*
 536                  * ChipsBnk usb stick
 537                  * PR: 103702
 538                  */
 539                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "ChipsBnk", "USB*",
 540                  "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 541         },
 542         {
 543                 /*
 544                  * Storcase (Kingston) InfoStation IFS FC2/SATA-R 201A
 545                  * PR: 129858
 546                  */
 547                 {T_DIRECT, SIP_MEDIA_FIXED, "IFS", "FC2/SATA-R*",
 548                  "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 549         },
 550         {
 551                 /*
 552                  * Samsung YP-U3 mp3-player
 553                  * PR: 125398
 554                  */
 555                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Samsung", "YP-U3",
 556                  "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 557         },
 558         {
 559                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Netac", "OnlyDisk*",
 560                  "2000"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 561         },
 562         {
 563                 /*
 564                  * Sony Cyber-Shot DSC cameras
 565                  * PR: usb/137035
 566                  */
 567                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Sony", "Sony DSC", "*"},
 568                 /*quirks*/ DA_Q_NO_SYNC_CACHE | DA_Q_NO_PREVENT
 569         },
 570         /* ATA/SATA devices over SAS/USB/... */
 571         {
 572                 /* Hitachi Advanced Format (4k) drives */
 573                 { T_DIRECT, SIP_MEDIA_FIXED, "Hitachi", "H??????????E3*", "*" },
 574                 /*quirks*/DA_Q_4K
 575         },
 576         {
 577                 /* Samsung Advanced Format (4k) drives */
 578                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SAMSUNG HD155UI*", "*" },
 579                 /*quirks*/DA_Q_4K
 580         },
 581         {
 582                 /* Samsung Advanced Format (4k) drives */
 583                 { T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "HD155UI*", "*" },
 584                 /*quirks*/DA_Q_4K
 585         },
 586         {
 587                 /* Samsung Advanced Format (4k) drives */
 588                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SAMSUNG HD204UI*", "*" },
 589                 /*quirks*/DA_Q_4K
 590         },
 591         {
 592                 /* Samsung Advanced Format (4k) drives */
 593                 { T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "HD204UI*", "*" },
 594                 /*quirks*/DA_Q_4K
 595         },
 596         {
 597                 /* Seagate Barracuda Green Advanced Format (4k) drives */
 598                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST????DL*", "*" },
 599                 /*quirks*/DA_Q_4K
 600         },
 601         {
 602                 /* Seagate Barracuda Green Advanced Format (4k) drives */
 603                 { T_DIRECT, SIP_MEDIA_FIXED, "ST????DL", "*", "*" },
 604                 /*quirks*/DA_Q_4K
 605         },
 606         {
 607                 /* Seagate Barracuda Green Advanced Format (4k) drives */
 608                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST???DM*", "*" },
 609                 /*quirks*/DA_Q_4K
 610         },
 611         {
 612                 /* Seagate Barracuda Green Advanced Format (4k) drives */
 613                 { T_DIRECT, SIP_MEDIA_FIXED, "ST???DM*", "*", "*" },
 614                 /*quirks*/DA_Q_4K
 615         },
 616         {
 617                 /* Seagate Barracuda Green Advanced Format (4k) drives */
 618                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST????DM*", "*" },
 619                 /*quirks*/DA_Q_4K
 620         },
 621         {
 622                 /* Seagate Barracuda Green Advanced Format (4k) drives */
 623                 { T_DIRECT, SIP_MEDIA_FIXED, "ST????DM", "*", "*" },
 624                 /*quirks*/DA_Q_4K
 625         },
 626         {
 627                 /* Seagate Momentus Advanced Format (4k) drives */
 628                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9500423AS*", "*" },
 629                 /*quirks*/DA_Q_4K
 630         },
 631         {
 632                 /* Seagate Momentus Advanced Format (4k) drives */
 633                 { T_DIRECT, SIP_MEDIA_FIXED, "ST950042", "3AS*", "*" },
 634                 /*quirks*/DA_Q_4K
 635         },
 636         {
 637                 /* Seagate Momentus Advanced Format (4k) drives */
 638                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9500424AS*", "*" },
 639                 /*quirks*/DA_Q_4K
 640         },
 641         {
 642                 /* Seagate Momentus Advanced Format (4k) drives */
 643                 { T_DIRECT, SIP_MEDIA_FIXED, "ST950042", "4AS*", "*" },
 644                 /*quirks*/DA_Q_4K
 645         },
 646         {
 647                 /* Seagate Momentus Advanced Format (4k) drives */
 648                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9640423AS*", "*" },
 649                 /*quirks*/DA_Q_4K
 650         },
 651         {
 652                 /* Seagate Momentus Advanced Format (4k) drives */
 653                 { T_DIRECT, SIP_MEDIA_FIXED, "ST964042", "3AS*", "*" },
 654                 /*quirks*/DA_Q_4K
 655         },
 656         {
 657                 /* Seagate Momentus Advanced Format (4k) drives */
 658                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9640424AS*", "*" },
 659                 /*quirks*/DA_Q_4K
 660         },
 661         {
 662                 /* Seagate Momentus Advanced Format (4k) drives */
 663                 { T_DIRECT, SIP_MEDIA_FIXED, "ST964042", "4AS*", "*" },
 664                 /*quirks*/DA_Q_4K
 665         },
 666         {
 667                 /* Seagate Momentus Advanced Format (4k) drives */
 668                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9750420AS*", "*" },
 669                 /*quirks*/DA_Q_4K
 670         },
 671         {
 672                 /* Seagate Momentus Advanced Format (4k) drives */
 673                 { T_DIRECT, SIP_MEDIA_FIXED, "ST975042", "0AS*", "*" },
 674                 /*quirks*/DA_Q_4K
 675         },
 676         {
 677                 /* Seagate Momentus Advanced Format (4k) drives */
 678                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9750422AS*", "*" },
 679                 /*quirks*/DA_Q_4K
 680         },
 681         {
 682                 /* Seagate Momentus Advanced Format (4k) drives */
 683                 { T_DIRECT, SIP_MEDIA_FIXED, "ST975042", "2AS*", "*" },
 684                 /*quirks*/DA_Q_4K
 685         },
 686         {
 687                 /* Seagate Momentus Advanced Format (4k) drives */
 688                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9750423AS*", "*" },
 689                 /*quirks*/DA_Q_4K
 690         },
 691         {
 692                 /* Seagate Momentus Advanced Format (4k) drives */
 693                 { T_DIRECT, SIP_MEDIA_FIXED, "ST975042", "3AS*", "*" },
 694                 /*quirks*/DA_Q_4K
 695         },
 696         {
 697                 /* Seagate Momentus Thin Advanced Format (4k) drives */
 698                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST???LT*", "*" },
 699                 /*quirks*/DA_Q_4K
 700         },
 701         {
 702                 /* Seagate Momentus Thin Advanced Format (4k) drives */
 703                 { T_DIRECT, SIP_MEDIA_FIXED, "ST???LT*", "*", "*" },
 704                 /*quirks*/DA_Q_4K
 705         },
 706         {
 707                 /* WDC Caviar Green Advanced Format (4k) drives */
 708                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD????RS*", "*" },
 709                 /*quirks*/DA_Q_4K
 710         },
 711         {
 712                 /* WDC Caviar Green Advanced Format (4k) drives */
 713                 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "??RS*", "*" },
 714                 /*quirks*/DA_Q_4K
 715         },
 716         {
 717                 /* WDC Caviar Green Advanced Format (4k) drives */
 718                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD????RX*", "*" },
 719                 /*quirks*/DA_Q_4K
 720         },
 721         {
 722                 /* WDC Caviar Green Advanced Format (4k) drives */
 723                 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "??RX*", "*" },
 724                 /*quirks*/DA_Q_4K
 725         },
 726         {
 727                 /* WDC Caviar Green Advanced Format (4k) drives */
 728                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD??????RS*", "*" },
 729                 /*quirks*/DA_Q_4K
 730         },
 731         {
 732                 /* WDC Caviar Green Advanced Format (4k) drives */
 733                 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "????RS*", "*" },
 734                 /*quirks*/DA_Q_4K
 735         },
 736         {
 737                 /* WDC Caviar Green Advanced Format (4k) drives */
 738                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD??????RX*", "*" },
 739                 /*quirks*/DA_Q_4K
 740         },
 741         {
 742                 /* WDC Caviar Green Advanced Format (4k) drives */
 743                 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "????RX*", "*" },
 744                 /*quirks*/DA_Q_4K
 745         },
 746         {
 747                 /* WDC Scorpio Black Advanced Format (4k) drives */
 748                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD???PKT*", "*" },
 749                 /*quirks*/DA_Q_4K
 750         },
 751         {
 752                 /* WDC Scorpio Black Advanced Format (4k) drives */
 753                 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "?PKT*", "*" },
 754                 /*quirks*/DA_Q_4K
 755         },
 756         {
 757                 /* WDC Scorpio Black Advanced Format (4k) drives */
 758                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD?????PKT*", "*" },
 759                 /*quirks*/DA_Q_4K
 760         },
 761         {
 762                 /* WDC Scorpio Black Advanced Format (4k) drives */
 763                 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "???PKT*", "*" },
 764                 /*quirks*/DA_Q_4K
 765         },
 766         {
 767                 /* WDC Scorpio Blue Advanced Format (4k) drives */
 768                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD???PVT*", "*" },
 769                 /*quirks*/DA_Q_4K
 770         },
 771         {
 772                 /* WDC Scorpio Blue Advanced Format (4k) drives */
 773                 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "?PVT*", "*" },
 774                 /*quirks*/DA_Q_4K
 775         },
 776         {
 777                 /* WDC Scorpio Blue Advanced Format (4k) drives */
 778                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD?????PVT*", "*" },
 779                 /*quirks*/DA_Q_4K
 780         },
 781         {
 782                 /* WDC Scorpio Blue Advanced Format (4k) drives */
 783                 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "???PVT*", "*" },
 784                 /*quirks*/DA_Q_4K
 785         },
 786 };
 787
 788 static  disk_strategy_t dastrategy;
 789 static  dumper_t        dadump;
 790 static  periph_init_t   dainit;
 791 static  void            daasync(void *callback_arg, u_int32_t code,
 792                                 struct cam_path *path, void *arg);
 793 static  void            dasysctlinit(void *context, int pending);
 794 static  int             dacmdsizesysctl(SYSCTL_HANDLER_ARGS);
 795 static  periph_ctor_t   daregister;
 796 static  periph_dtor_t   dacleanup;
 797 static  periph_start_t  dastart;
 798 static  periph_oninv_t  daoninvalidate;
 799 static  void            dadone(struct cam_periph *periph,
 800                                union ccb *done_ccb);
 801 static  int             daerror(union ccb *ccb, u_int32_t cam_flags,
 802                                 u_int32_t sense_flags);
 803 static void             daprevent(struct cam_periph *periph, int action);
 804 static int              dagetcapacity(struct cam_periph *periph);
 805 static void             dasetgeom(struct cam_periph *periph, uint32_t block_len,
 806                                   uint64_t maxsector, u_int lbppbe, u_int lalba);
 807 static timeout_t        dasendorderedtag;
 808 static void             dashutdown(void *arg, int howto);
 809
 810 #ifndef DA_DEFAULT_TIMEOUT
 811 #define DA_DEFAULT_TIMEOUT 60   /* Timeout in seconds */
 812 #endif
 813
 814 #ifndef DA_DEFAULT_RETRY
 815 #define DA_DEFAULT_RETRY        4
 816 #endif
 817
 818 #ifndef DA_DEFAULT_SEND_ORDERED
 819 #define DA_DEFAULT_SEND_ORDERED 1
 820 #endif
 821
 822
 823 static int da_retry_count = DA_DEFAULT_RETRY;
 824 static int da_default_timeout = DA_DEFAULT_TIMEOUT;
 825 static int da_send_ordered = DA_DEFAULT_SEND_ORDERED;
 826
 827 SYSCTL_NODE(_kern_cam, OID_AUTO, da, CTLFLAG_RD, 0,
 828             "CAM Direct Access Disk driver");
 829 SYSCTL_INT(_kern_cam_da, OID_AUTO, retry_count, CTLFLAG_RW,
 830            &da_retry_count, 0, "Normal I/O retry count");
 831 TUNABLE_INT("kern.cam.da.retry_count", &da_retry_count);
 832 SYSCTL_INT(_kern_cam_da, OID_AUTO, default_timeout, CTLFLAG_RW,
 833            &da_default_timeout, 0, "Normal I/O timeout (in seconds)");
 834 TUNABLE_INT("kern.cam.da.default_timeout", &da_default_timeout);
 835 SYSCTL_INT(_kern_cam_da, OID_AUTO, da_send_ordered, CTLFLAG_RW,
 836            &da_send_ordered, 0, "Send Ordered Tags");
 837 TUNABLE_INT("kern.cam.da.da_send_ordered", &da_send_ordered);
 838
 839 /*
 840  * DA_ORDEREDTAG_INTERVAL determines how often, relative
 841  * to the default timeout, we check to see whether an ordered
 842  * tagged transaction is appropriate to prevent simple tag
 843  * starvation.  Since we'd like to ensure that there is at least
 844  * 1/2 of the timeout length left for a starved transaction to
 845  * complete after we've sent an ordered tag, we must poll at least
 846  * four times in every timeout period.  This takes care of the worst
 847  * case where a starved transaction starts during an interval that
 848  * meets the requirement "don't send an ordered tag" test so it takes
 849  * us two intervals to determine that a tag must be sent.
 850  */
 851 #ifndef DA_ORDEREDTAG_INTERVAL
 852 #define DA_ORDEREDTAG_INTERVAL 4
 853 #endif
 854
 855 static struct periph_driver dadriver =
 856 {
 857         dainit, "da",
 858         TAILQ_HEAD_INITIALIZER(dadriver.units), /* generation */ 0
 859 };
 860
 861 PERIPHDRIVER_DECLARE(da, dadriver);
 862
 863 MALLOC_DEFINE(M_SCSIDA, "scsi_da", "scsi_da buffers");
 864
 865 static int
 866 daopen(struct disk *dp)
 867 {
 868         struct cam_periph *periph;
 869         struct da_softc *softc;
 870         int unit;
 871         int error;
 872
 873         periph = (struct cam_periph *)dp->d_drv1;
 874         if (periph == NULL) {
 875                 return (ENXIO);
 876         }
 877
 878         if (cam_periph_acquire(periph) != CAM_REQ_CMP) {
 879                 return (ENXIO);
 880         }
 881
 882         cam_periph_lock(periph);
 883         if ((error = cam_periph_hold(periph, PRIBIO|PCATCH)) != 0) {
 884                 cam_periph_unlock(periph);
 885                 cam_periph_release(periph);
 886                 return (error);
 887         }
 888
 889         unit = periph->unit_number;
 890         softc = (struct da_softc *)periph->softc;
 891         softc->flags |= DA_FLAG_OPEN;
 892
 893         CAM_DEBUG(periph->path, CAM_DEBUG_TRACE,
 894             ("daopen: disk=%s%d (unit %d)\n", dp->d_name, dp->d_unit,
 895              unit));
 896
 897         if ((softc->flags & DA_FLAG_PACK_INVALID) != 0) {
 898                 /* Invalidate our pack information. */
 899                 softc->flags &= ~DA_FLAG_PACK_INVALID;
 900         }
 901
 902         error = dagetcapacity(periph);
 903
 904         if (error == 0) {
 905
 906                 softc->disk->d_sectorsize = softc->params.secsize;
 907                 softc->disk->d_mediasize = softc->params.secsize * (off_t)softc->params.sectors;
 908                 softc->disk->d_stripesize = softc->params.stripesize;
 909                 softc->disk->d_stripeoffset = softc->params.stripeoffset;
 910                 /* XXX: these are not actually "firmware" values, so they may be wrong */
 911                 softc->disk->d_fwsectors = softc->params.secs_per_track;
 912                 softc->disk->d_fwheads = softc->params.heads;
 913                 softc->disk->d_devstat->block_size = softc->params.secsize;
 914                 softc->disk->d_devstat->flags &= ~DEVSTAT_BS_UNAVAILABLE;
 915
 916                 if ((softc->flags & DA_FLAG_PACK_REMOVABLE) != 0 &&
 917                     (softc->quirks & DA_Q_NO_PREVENT) == 0)
 918                         daprevent(periph, PR_PREVENT);
 919         } else
 920                 softc->flags &= ~DA_FLAG_OPEN;
 921
 922         cam_periph_unhold(periph);
 923         cam_periph_unlock(periph);
 924
 925         if (error != 0) {
 926                 cam_periph_release(periph);
 927         }
 928         return (error);
 929 }
 930
 931 static int
 932 daclose(struct disk *dp)
 933 {
 934         struct  cam_periph *periph;
 935         struct  da_softc *softc;
 936         int error;
 937
 938         periph = (struct cam_periph *)dp->d_drv1;
 939         if (periph == NULL)
 940                 return (0);
 941
 942         cam_periph_lock(periph);
 943         if ((error = cam_periph_hold(periph, PRIBIO)) != 0) {
 944                 cam_periph_unlock(periph);
 945                 cam_periph_release(periph);
 946                 return (0);
 947         }
 948
 949         softc = (struct da_softc *)periph->softc;
 950
 951         if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) {
 952                 union   ccb *ccb;
 953
 954                 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
 955
 956                 scsi_synchronize_cache(&ccb->csio,
 957                                        /*retries*/1,
 958                                        /*cbfcnp*/dadone,
 959                                        MSG_SIMPLE_Q_TAG,
 960                                        /*begin_lba*/0,/* Cover the whole disk */
 961                                        /*lb_count*/0,
 962                                        SSD_FULL_SIZE,
 963                                        5 * 60 * 1000);
 964
 965                 cam_periph_runccb(ccb, /*error_routine*/NULL, /*cam_flags*/0,
 966                                   /*sense_flags*/SF_RETRY_UA,
 967                                   softc->disk->d_devstat);
 968
 969                 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
 970                         if ((ccb->ccb_h.status & CAM_STATUS_MASK) ==
 971                              CAM_SCSI_STATUS_ERROR) {
 972                                 int asc, ascq;
 973                                 int sense_key, error_code;
 974
 975                                 scsi_extract_sense(&ccb->csio.sense_data,
 976                                                    &error_code,
 977                                                    &sense_key,
 978                                                    &asc, &ascq);
 979                                 if (sense_key != SSD_KEY_ILLEGAL_REQUEST)
 980                                         scsi_sense_print(&ccb->csio);
 981                         } else {
 982                                 xpt_print(periph->path, "Synchronize cache "
 983                                     "failed, status == 0x%x, scsi status == "
 984                                     "0x%x\n", ccb->csio.ccb_h.status,
 985                                     ccb->csio.scsi_status);
 986                         }
 987                 }
 988
 989                 if ((ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
 990                         cam_release_devq(ccb->ccb_h.path,
 991                                          /*relsim_flags*/0,
 992                                          /*reduction*/0,
 993                                          /*timeout*/0,
 994                                          /*getcount_only*/0);
 995
 996                 xpt_release_ccb(ccb);
 997
 998         }
 999
1000         if ((softc->flags & DA_FLAG_PACK_REMOVABLE) != 0) {
1001                 if ((softc->quirks & DA_Q_NO_PREVENT) == 0)
1002                         daprevent(periph, PR_ALLOW);
1003                 /*
1004                  * If we've got removeable media, mark the blocksize as
1005                  * unavailable, since it could change when new media is
1006                  * inserted.
1007                  */
1008                 softc->disk->d_devstat->flags |= DEVSTAT_BS_UNAVAILABLE;
1009         }
1010
1011         softc->flags &= ~DA_FLAG_OPEN;
1012         cam_periph_unhold(periph);
1013         cam_periph_unlock(periph);
1014         cam_periph_release(periph);
1015         return (0);
1016 }
1017
1018 /*
1019  * Actually translate the requested transfer into one the physical driver
1020  * can understand.  The transfer is described by a buf and will include
1021  * only one physical transfer.
1022  */
1023 static void
1024 dastrategy(struct bio *bp)
1025 {
1026         struct cam_periph *periph;
1027         struct da_softc *softc;
1028
1029         periph = (struct cam_periph *)bp->bio_disk->d_drv1;
1030         if (periph == NULL) {
1031                 biofinish(bp, NULL, ENXIO);
1032                 return;
1033         }
1034         softc = (struct da_softc *)periph->softc;
1035
1036         cam_periph_lock(periph);
1037
1038         /*
1039          * If the device has been made invalid, error out
1040          */
1041         if ((softc->flags & DA_FLAG_PACK_INVALID)) {
1042                 cam_periph_unlock(periph);
1043                 biofinish(bp, NULL, ENXIO);
1044                 return;
1045         }
1046
1047         /*
1048          * Place it in the queue of disk activities for this disk
1049          */
1050         bioq_disksort(&softc->bio_queue, bp);
1051
1052         /*
1053          * Schedule ourselves for performing the work.
1054          */
1055         xpt_schedule(periph, CAM_PRIORITY_NORMAL);
1056         cam_periph_unlock(periph);
1057
1058         return;
1059 }
1060
1061 static int
1062 dadump(void *arg, void *virtual, vm_offset_t physical, off_t offset, size_t length)
1063 {
1064         struct      cam_periph *periph;
1065         struct      da_softc *softc;
1066         u_int       secsize;
1067         struct      ccb_scsiio csio;
1068         struct      disk *dp;
1069
1070         dp = arg;
1071         periph = dp->d_drv1;
1072         if (periph == NULL)
1073                 return (ENXIO);
1074         softc = (struct da_softc *)periph->softc;
1075         cam_periph_lock(periph);
1076         secsize = softc->params.secsize;
1077
1078         if ((softc->flags & DA_FLAG_PACK_INVALID) != 0) {
1079                 cam_periph_unlock(periph);
1080                 return (ENXIO);
1081         }
1082
1083         if (length > 0) {
1084                 xpt_setup_ccb(&csio.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
1085                 csio.ccb_h.ccb_state = DA_CCB_DUMP;
1086                 scsi_read_write(&csio,
1087                                 /*retries*/1,
1088                                 dadone,
1089                                 MSG_ORDERED_Q_TAG,
1090                                 /*read*/FALSE,
1091                                 /*byte2*/0,
1092                                 /*minimum_cmd_size*/ softc->minimum_cmd_size,
1093                                 offset / secsize,
1094                                 length / secsize,
1095                                 /*data_ptr*/(u_int8_t *) virtual,
1096                                 /*dxfer_len*/length,
1097                                 /*sense_len*/SSD_FULL_SIZE,
1098                                 DA_DEFAULT_TIMEOUT * 1000);
1099                 xpt_polled_action((union ccb *)&csio);
1100
1101                 if ((csio.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
1102                         printf("Aborting dump due to I/O error.\n");
1103                         if ((csio.ccb_h.status & CAM_STATUS_MASK) ==
1104                              CAM_SCSI_STATUS_ERROR)
1105                                 scsi_sense_print(&csio);
1106                         else
1107                                 printf("status == 0x%x, scsi status == 0x%x\n",
1108                                        csio.ccb_h.status, csio.scsi_status);
1109                         return(EIO);
1110                 }
1111                 cam_periph_unlock(periph);
1112                 return(0);
1113         }
1114
1115         /*
1116          * Sync the disk cache contents to the physical media.
1117          */
1118         if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) {
1119
1120                 xpt_setup_ccb(&csio.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
1121                 csio.ccb_h.ccb_state = DA_CCB_DUMP;
1122                 scsi_synchronize_cache(&csio,
1123                                        /*retries*/1,
1124                                        /*cbfcnp*/dadone,
1125                                        MSG_SIMPLE_Q_TAG,
1126                                        /*begin_lba*/0,/* Cover the whole disk */
1127                                        /*lb_count*/0,
1128                                        SSD_FULL_SIZE,
1129                                        5 * 60 * 1000);
1130                 xpt_polled_action((union ccb *)&csio);
1131
1132                 if ((csio.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
1133                         if ((csio.ccb_h.status & CAM_STATUS_MASK) ==
1134                              CAM_SCSI_STATUS_ERROR) {
1135                                 int asc, ascq;
1136                                 int sense_key, error_code;
1137
1138                                 scsi_extract_sense(&csio.sense_data,
1139                                                    &error_code,
1140                                                    &sense_key,
1141                                                    &asc, &ascq);
1142                                 if (sense_key != SSD_KEY_ILLEGAL_REQUEST)
1143                                         scsi_sense_print(&csio);
1144                         } else {
1145                                 xpt_print(periph->path, "Synchronize cache "
1146                                     "failed, status == 0x%x, scsi status == "
1147                                     "0x%x\n", csio.ccb_h.status,
1148                                     csio.scsi_status);
1149                         }
1150                 }
1151         }
1152         cam_periph_unlock(periph);
1153         return (0);
1154 }
1155
1156 static void
1157 dainit(void)
1158 {
1159         cam_status status;
1160
1161         /*
1162          * Install a global async callback.  This callback will
1163          * receive async callbacks like "new device found".
1164          */
1165         status = xpt_register_async(AC_FOUND_DEVICE, daasync, NULL, NULL);
1166
1167         if (status != CAM_REQ_CMP) {
1168                 printf("da: Failed to attach master async callback "
1169                        "due to status 0x%x!\n", status);
1170         } else if (da_send_ordered) {
1171
1172                 /* Register our shutdown event handler */
1173                 if ((EVENTHANDLER_REGISTER(shutdown_post_sync, dashutdown,
1174                                            NULL, SHUTDOWN_PRI_DEFAULT)) == NULL)
1175                     printf("dainit: shutdown event registration failed!\n");
1176         }
1177 }
1178
1179 static void
1180 daoninvalidate(struct cam_periph *periph)
1181 {
1182         struct da_softc *softc;
1183
1184         softc = (struct da_softc *)periph->softc;
1185
1186         /*
1187          * De-register any async callbacks.
1188          */
1189         xpt_register_async(0, daasync, periph, periph->path);
1190
1191         softc->flags |= DA_FLAG_PACK_INVALID;
1192
1193         /*
1194          * Return all queued I/O with ENXIO.
1195          * XXX Handle any transactions queued to the card
1196          *     with XPT_ABORT_CCB.
1197          */
1198         bioq_flush(&softc->bio_queue, NULL, ENXIO);
1199
1200         disk_gone(softc->disk);
1201         xpt_print(periph->path, "lost device - %d outstanding, %d refs\n",
1202                   softc->outstanding_cmds, periph->refcount);
1203 }
1204
1205 static void
1206 dacleanup(struct cam_periph *periph)
1207 {
1208         struct da_softc *softc;
1209
1210         softc = (struct da_softc *)periph->softc;
1211
1212         xpt_print(periph->path, "removing device entry\n");
1213         cam_periph_unlock(periph);
1214
1215         /*
1216          * If we can't free the sysctl tree, oh well...
1217          */
1218         if ((softc->flags & DA_FLAG_SCTX_INIT) != 0
1219             && sysctl_ctx_free(&softc->sysctl_ctx) != 0) {
1220                 xpt_print(periph->path, "can't remove sysctl context\n");
1221         }
1222
1223         disk_destroy(softc->disk);
1224         callout_drain(&softc->sendordered_c);
1225         free(softc, M_DEVBUF);
1226         cam_periph_lock(periph);
1227 }
1228
1229 static void
1230 daasync(void *callback_arg, u_int32_t code,
1231         struct cam_path *path, void *arg)
1232 {
1233         struct cam_periph *periph;
1234
1235         periph = (struct cam_periph *)callback_arg;
1236         switch (code) {
1237         case AC_FOUND_DEVICE:
1238         {
1239                 struct ccb_getdev *cgd;
1240                 cam_status status;
1241
1242                 cgd = (struct ccb_getdev *)arg;
1243                 if (cgd == NULL)
1244                         break;
1245
1246                 if (cgd->protocol != PROTO_SCSI)
1247                         break;
1248
1249                 if (SID_TYPE(&cgd->inq_data) != T_DIRECT
1250                     && SID_TYPE(&cgd->inq_data) != T_RBC
1251                     && SID_TYPE(&cgd->inq_data) != T_OPTICAL)
1252                         break;
1253
1254                 /*
1255                  * Allocate a peripheral instance for
1256                  * this device and start the probe
1257                  * process.
1258                  */
1259                 status = cam_periph_alloc(daregister, daoninvalidate,
1260                                           dacleanup, dastart,
1261                                           "da", CAM_PERIPH_BIO,
1262                                           cgd->ccb_h.path, daasync,
1263                                           AC_FOUND_DEVICE, cgd);
1264
1265                 if (status != CAM_REQ_CMP
1266                  && status != CAM_REQ_INPROG)
1267                         printf("daasync: Unable to attach to new device "
1268                                 "due to status 0x%x\n", status);
1269                 break;
1270         }
1271         case AC_SENT_BDR:
1272         case AC_BUS_RESET:
1273         {
1274                 struct da_softc *softc;
1275                 struct ccb_hdr *ccbh;
1276
1277                 softc = (struct da_softc *)periph->softc;
1278                 /*
1279                  * Don't fail on the expected unit attention
1280                  * that will occur.
1281                  */
1282                 softc->flags |= DA_FLAG_RETRY_UA;
1283                 LIST_FOREACH(ccbh, &softc->pending_ccbs, periph_links.le)
1284                         ccbh->ccb_state |= DA_CCB_RETRY_UA;
1285                 /* FALLTHROUGH*/
1286         }
1287         default:
1288                 cam_periph_async(periph, code, path, arg);
1289                 break;
1290         }
1291 }
1292
1293 static void
1294 dasysctlinit(void *context, int pending)
1295 {
1296         struct cam_periph *periph;
1297         struct da_softc *softc;
1298         char tmpstr[80], tmpstr2[80];
1299
1300         periph = (struct cam_periph *)context;
1301         /*
1302          * periph was held for us when this task was enqueued
1303          */
1304         if (periph->flags & CAM_PERIPH_INVALID) {
1305                 cam_periph_release(periph);
1306                 return;
1307         }
1308
1309         softc = (struct da_softc *)periph->softc;
1310         snprintf(tmpstr, sizeof(tmpstr), "CAM DA unit %d", periph->unit_number);
1311         snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number);
1312
1313         sysctl_ctx_init(&softc->sysctl_ctx);
1314         softc->flags |= DA_FLAG_SCTX_INIT;
1315         softc->sysctl_tree = SYSCTL_ADD_NODE(&softc->sysctl_ctx,
1316                 SYSCTL_STATIC_CHILDREN(_kern_cam_da), OID_AUTO, tmpstr2,
1317                 CTLFLAG_RD, 0, tmpstr);
1318         if (softc->sysctl_tree == NULL) {
1319                 printf("dasysctlinit: unable to allocate sysctl tree\n");
1320                 cam_periph_release(periph);
1321                 return;
1322         }
1323
1324         /*
1325          * Now register the sysctl handler, so the user can the value on
1326          * the fly.
1327          */
1328         SYSCTL_ADD_PROC(&softc->sysctl_ctx,SYSCTL_CHILDREN(softc->sysctl_tree),
1329                 OID_AUTO, "minimum_cmd_size", CTLTYPE_INT | CTLFLAG_RW,
1330                 &softc->minimum_cmd_size, 0, dacmdsizesysctl, "I",
1331                 "Minimum CDB size");
1332
1333         cam_periph_release(periph);
1334 }
1335
1336 static int
1337 dacmdsizesysctl(SYSCTL_HANDLER_ARGS)
1338 {
1339         int error, value;
1340
1341         value = *(int *)arg1;
1342
1343         error = sysctl_handle_int(oidp, &value, 0, req);
1344
1345         if ((error != 0)
1346          || (req->newptr == NULL))
1347                 return (error);
1348
1349         /*
1350          * Acceptable values here are 6, 10, 12 or 16.
1351          */
1352         if (value < 6)
1353                 value = 6;
1354         else if ((value > 6)
1355               && (value <= 10))
1356                 value = 10;
1357         else if ((value > 10)
1358               && (value <= 12))
1359                 value = 12;
1360         else if (value > 12)
1361                 value = 16;
1362
1363         *(int *)arg1 = value;
1364
1365         return (0);
1366 }
1367
1368 static cam_status
1369 daregister(struct cam_periph *periph, void *arg)
1370 {
1371         struct da_softc *softc;
1372         struct ccb_pathinq cpi;
1373         struct ccb_getdev *cgd;
1374         char tmpstr[80];
1375         caddr_t match;
1376
1377         cgd = (struct ccb_getdev *)arg;
1378         if (periph == NULL) {
1379                 printf("daregister: periph was NULL!!\n");
1380                 return(CAM_REQ_CMP_ERR);
1381         }
1382
1383         if (cgd == NULL) {
1384                 printf("daregister: no getdev CCB, can't register device\n");
1385                 return(CAM_REQ_CMP_ERR);
1386         }
1387
1388         softc = (struct da_softc *)malloc(sizeof(*softc), M_DEVBUF,
1389             M_NOWAIT|M_ZERO);
1390
1391         if (softc == NULL) {
1392                 printf("daregister: Unable to probe new device. "
1393                        "Unable to allocate softc\n");
1394                 return(CAM_REQ_CMP_ERR);
1395         }
1396
1397         LIST_INIT(&softc->pending_ccbs);
1398         softc->state = DA_STATE_PROBE;
1399         bioq_init(&softc->bio_queue);
1400         if (SID_IS_REMOVABLE(&cgd->inq_data))
1401                 softc->flags |= DA_FLAG_PACK_REMOVABLE;
1402         if ((cgd->inq_data.flags & SID_CmdQue) != 0)
1403                 softc->flags |= DA_FLAG_TAGGED_QUEUING;
1404
1405         periph->softc = softc;
1406
1407         /*
1408          * See if this device has any quirks.
1409          */
1410         match = cam_quirkmatch((caddr_t)&cgd->inq_data,
1411                                (caddr_t)da_quirk_table,
1412                                sizeof(da_quirk_table)/sizeof(*da_quirk_table),
1413                                sizeof(*da_quirk_table), scsi_inquiry_match);
1414
1415         if (match != NULL)
1416                 softc->quirks = ((struct da_quirk_entry *)match)->quirks;
1417         else
1418                 softc->quirks = DA_Q_NONE;
1419
1420         /* Check if the SIM does not want 6 byte commands */
1421         bzero(&cpi, sizeof(cpi));
1422         xpt_setup_ccb(&cpi.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
1423         cpi.ccb_h.func_code = XPT_PATH_INQ;
1424         xpt_action((union ccb *)&cpi);
1425         if (cpi.ccb_h.status == CAM_REQ_CMP && (cpi.hba_misc & PIM_NO_6_BYTE))
1426                 softc->quirks |= DA_Q_NO_6_BYTE;
1427
1428         TASK_INIT(&softc->sysctl_task, 0, dasysctlinit, periph);
1429
1430         /*
1431          * Add async callbacks for bus reset and
1432          * bus device reset calls.  I don't bother
1433          * checking if this fails as, in most cases,
1434          * the system will function just fine without
1435          * them and the only alternative would be to
1436          * not attach the device on failure.
1437          */
1438         xpt_register_async(AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE,
1439                            daasync, periph, periph->path);
1440
1441         /*
1442          * Take an exclusive refcount on the periph while dastart is called
1443          * to finish the probe.  The reference will be dropped in dadone at
1444          * the end of probe.
1445          */
1446         (void)cam_periph_hold(periph, PRIBIO);
1447
1448         /*
1449          * Schedule a periodic event to occasionally send an
1450          * ordered tag to a device.
1451          */
1452         callout_init_mtx(&softc->sendordered_c, periph->sim->mtx, 0);
1453         callout_reset(&softc->sendordered_c,
1454             (DA_DEFAULT_TIMEOUT * hz) / DA_ORDEREDTAG_INTERVAL,
1455             dasendorderedtag, softc);
1456
1457         mtx_unlock(periph->sim->mtx);
1458         /*
1459          * RBC devices don't have to support READ(6), only READ(10).
1460          */
1461         if (softc->quirks & DA_Q_NO_6_BYTE || SID_TYPE(&cgd->inq_data) == T_RBC)
1462                 softc->minimum_cmd_size = 10;
1463         else
1464                 softc->minimum_cmd_size = 6;
1465
1466         /*
1467          * Load the user's default, if any.
1468          */
1469         snprintf(tmpstr, sizeof(tmpstr), "kern.cam.da.%d.minimum_cmd_size",
1470                  periph->unit_number);
1471         TUNABLE_INT_FETCH(tmpstr, &softc->minimum_cmd_size);
1472
1473         /*
1474          * 6, 10, 12 and 16 are the currently permissible values.
1475          */
1476         if (softc->minimum_cmd_size < 6)
1477                 softc->minimum_cmd_size = 6;
1478         else if ((softc->minimum_cmd_size > 6)
1479               && (softc->minimum_cmd_size <= 10))
1480                 softc->minimum_cmd_size = 10;
1481         else if ((softc->minimum_cmd_size > 10)
1482               && (softc->minimum_cmd_size <= 12))
1483                 softc->minimum_cmd_size = 12;
1484         else if (softc->minimum_cmd_size > 12)
1485                 softc->minimum_cmd_size = 16;
1486
1487         /*
1488          * Register this media as a disk.
1489          */
1490         softc->disk = disk_alloc();
1491         softc->disk->d_devstat = devstat_new_entry(periph->periph_name,
1492                           periph->unit_number, 0,
1493                           DEVSTAT_BS_UNAVAILABLE,
1494                           SID_TYPE(&cgd->inq_data) |
1495                           XPORT_DEVSTAT_TYPE(cpi.transport),
1496                           DEVSTAT_PRIORITY_DISK);
1497         softc->disk->d_open = daopen;
1498         softc->disk->d_close = daclose;
1499         softc->disk->d_strategy = dastrategy;
1500         softc->disk->d_dump = dadump;
1501         softc->disk->d_name = "da";
1502         softc->disk->d_drv1 = periph;
1503         if (cpi.maxio == 0)
1504                 softc->disk->d_maxsize = DFLTPHYS;      /* traditional default */
1505         else if (cpi.maxio > MAXPHYS)
1506                 softc->disk->d_maxsize = MAXPHYS;       /* for safety */
1507         else
1508                 softc->disk->d_maxsize = cpi.maxio;
1509         softc->disk->d_unit = periph->unit_number;
1510         softc->disk->d_flags = 0;
1511         if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0)
1512                 softc->disk->d_flags |= DISKFLAG_CANFLUSHCACHE;
1513         strlcpy(softc->disk->d_ident, cgd->serial_num,
1514             MIN(sizeof(softc->disk->d_ident), cgd->serial_num_len + 1));
1515         disk_create(softc->disk, DISK_VERSION);
1516         mtx_lock(periph->sim->mtx);
1517
1518         xpt_schedule(periph, CAM_PRIORITY_DEV);
1519
1520         return(CAM_REQ_CMP);
1521 }
1522
1523 static void
1524 dastart(struct cam_periph *periph, union ccb *start_ccb)
1525 {
1526         struct da_softc *softc;
1527
1528         softc = (struct da_softc *)periph->softc;
1529
1530         switch (softc->state) {
1531         case DA_STATE_NORMAL:
1532         {
1533                 /* Pull a buffer from the queue and get going on it */
1534                 struct bio *bp;
1535
1536                 /*
1537                  * See if there is a buf with work for us to do..
1538                  */
1539                 bp = bioq_first(&softc->bio_queue);
1540                 if (periph->immediate_priority <= periph->pinfo.priority) {
1541                         CAM_DEBUG_PRINT(CAM_DEBUG_SUBTRACE,
1542                                         ("queuing for immediate ccb\n"));
1543                         start_ccb->ccb_h.ccb_state = DA_CCB_WAITING;
1544                         SLIST_INSERT_HEAD(&periph->ccb_list, &start_ccb->ccb_h,
1545                                           periph_links.sle);
1546                         periph->immediate_priority = CAM_PRIORITY_NONE;
1547                         wakeup(&periph->ccb_list);
1548                 } else if (bp == NULL) {
1549                         xpt_release_ccb(start_ccb);
1550                 } else {
1551                         u_int8_t tag_code;
1552
1553                         bioq_remove(&softc->bio_queue, bp);
1554
1555                         if ((bp->bio_flags & BIO_ORDERED) != 0
1556                          || (softc->flags & DA_FLAG_NEED_OTAG) != 0) {
1557                                 softc->flags &= ~DA_FLAG_NEED_OTAG;
1558                                 softc->ordered_tag_count++;
1559                                 tag_code = MSG_ORDERED_Q_TAG;
1560                         } else {
1561                                 tag_code = MSG_SIMPLE_Q_TAG;
1562                         }
1563                         switch (bp->bio_cmd) {
1564                         case BIO_READ:
1565                         case BIO_WRITE:
1566                                 scsi_read_write(&start_ccb->csio,
1567                                                 /*retries*/da_retry_count,
1568                                                 /*cbfcnp*/dadone,
1569                                                 /*tag_action*/tag_code,
1570                                                 /*read_op*/bp->bio_cmd
1571                                                         == BIO_READ,
1572                                                 /*byte2*/0,
1573                                                 softc->minimum_cmd_size,
1574                                                 /*lba*/bp->bio_pblkno,
1575                                                 /*block_count*/bp->bio_bcount /
1576                                                 softc->params.secsize,
1577                                                 /*data_ptr*/ bp->bio_data,
1578                                                 /*dxfer_len*/ bp->bio_bcount,
1579                                                 /*sense_len*/SSD_FULL_SIZE,
1580                                                 da_default_timeout * 1000);
1581                                 break;
1582                         case BIO_FLUSH:
1583                                 /*
1584                                  * BIO_FLUSH doesn't currently communicate
1585                                  * range data, so we synchronize the cache
1586                                  * over the whole disk.  We also force
1587                                  * ordered tag semantics the flush applies
1588                                  * to all previously queued I/O.
1589                                  */
1590                                 scsi_synchronize_cache(&start_ccb->csio,
1591                                                        /*retries*/1,
1592                                                        /*cbfcnp*/dadone,
1593                                                        MSG_ORDERED_Q_TAG,
1594                                                        /*begin_lba*/0,
1595                                                        /*lb_count*/0,
1596                                                        SSD_FULL_SIZE,
1597                                                        da_default_timeout*1000);
1598                                 break;
1599                         }
1600                         start_ccb->ccb_h.ccb_state = DA_CCB_BUFFER_IO;
1601
1602                         /*
1603                          * Block out any asyncronous callbacks
1604                          * while we touch the pending ccb list.
1605                          */
1606                         LIST_INSERT_HEAD(&softc->pending_ccbs,
1607                                          &start_ccb->ccb_h, periph_links.le);
1608                         softc->outstanding_cmds++;
1609
1610                         /* We expect a unit attention from this device */
1611                         if ((softc->flags & DA_FLAG_RETRY_UA) != 0) {
1612                                 start_ccb->ccb_h.ccb_state |= DA_CCB_RETRY_UA;
1613                                 softc->flags &= ~DA_FLAG_RETRY_UA;
1614                         }
1615
1616                         start_ccb->ccb_h.ccb_bp = bp;
1617                         bp = bioq_first(&softc->bio_queue);
1618
1619                         xpt_action(start_ccb);
1620                 }
1621
1622                 if (bp != NULL) {
1623                         /* Have more work to do, so ensure we stay scheduled */
1624                         xpt_schedule(periph, CAM_PRIORITY_NORMAL);
1625                 }
1626                 break;
1627         }
1628         case DA_STATE_PROBE:
1629         {
1630                 struct ccb_scsiio *csio;
1631                 struct scsi_read_capacity_data *rcap;
1632
1633                 rcap = (struct scsi_read_capacity_data *)
1634                     malloc(sizeof(*rcap), M_SCSIDA, M_NOWAIT|M_ZERO);
1635                 if (rcap == NULL) {
1636                         printf("dastart: Couldn't malloc read_capacity data\n");
1637                         /* da_free_periph??? */
1638                         break;
1639                 }
1640                 csio = &start_ccb->csio;
1641                 scsi_read_capacity(csio,
1642                                    /*retries*/4,
1643                                    dadone,
1644                                    MSG_SIMPLE_Q_TAG,
1645                                    rcap,
1646                                    SSD_FULL_SIZE,
1647                                    /*timeout*/5000);
1648                 start_ccb->ccb_h.ccb_bp = NULL;
1649                 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE;
1650                 xpt_action(start_ccb);
1651                 break;
1652         }
1653         case DA_STATE_PROBE2:
1654         {
1655                 struct ccb_scsiio *csio;
1656                 struct scsi_read_capacity_data_long *rcaplong;
1657
1658                 rcaplong = (struct scsi_read_capacity_data_long *)
1659                         malloc(sizeof(*rcaplong), M_SCSIDA, M_NOWAIT|M_ZERO);
1660                 if (rcaplong == NULL) {
1661                         printf("dastart: Couldn't malloc read_capacity data\n");
1662                         /* da_free_periph??? */
1663                         break;
1664                 }
1665                 csio = &start_ccb->csio;
1666                 scsi_read_capacity_16(csio,
1667                                       /*retries*/ 4,
1668                                       /*cbfcnp*/ dadone,
1669                                       /*tag_action*/ MSG_SIMPLE_Q_TAG,
1670                                       /*lba*/ 0,
1671                                       /*reladr*/ 0,
1672                                       /*pmi*/ 0,
1673                                       rcaplong,
1674                                       /*sense_len*/ SSD_FULL_SIZE,
1675                                       /*timeout*/ 60000);
1676                 start_ccb->ccb_h.ccb_bp = NULL;
1677                 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE2;
1678                 xpt_action(start_ccb);
1679                 break;
1680         }
1681         }
1682 }
1683
1684 static int
1685 cmd6workaround(union ccb *ccb)
1686 {
1687         struct scsi_rw_6 cmd6;
1688         struct scsi_rw_10 *cmd10;
1689         struct da_softc *softc;
1690         u_int8_t *cdb;
1691         int frozen;
1692
1693         cdb = ccb->csio.cdb_io.cdb_bytes;
1694
1695         /* Translation only possible if CDB is an array and cmd is R/W6 */
1696         if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0 ||
1697             (*cdb != READ_6 && *cdb != WRITE_6))
1698                 return 0;
1699
1700         xpt_print(ccb->ccb_h.path, "READ(6)/WRITE(6) not supported, "
1701             "increasing minimum_cmd_size to 10.\n");
1702         softc = (struct da_softc *)xpt_path_periph(ccb->ccb_h.path)->softc;
1703         softc->minimum_cmd_size = 10;
1704
1705         bcopy(cdb, &cmd6, sizeof(struct scsi_rw_6));
1706         cmd10 = (struct scsi_rw_10 *)cdb;
1707         cmd10->opcode = (cmd6.opcode == READ_6) ? READ_10 : WRITE_10;
1708         cmd10->byte2 = 0;
1709         scsi_ulto4b(scsi_3btoul(cmd6.addr), cmd10->addr);
1710         cmd10->reserved = 0;
1711         scsi_ulto2b(cmd6.length, cmd10->length);
1712         cmd10->control = cmd6.control;
1713         ccb->csio.cdb_len = sizeof(*cmd10);
1714
1715         /* Requeue request, unfreezing queue if necessary */
1716         frozen = (ccb->ccb_h.status & CAM_DEV_QFRZN) != 0;
1717         ccb->ccb_h.status = CAM_REQUEUE_REQ;
1718         xpt_action(ccb);
1719         if (frozen) {
1720                 cam_release_devq(ccb->ccb_h.path,
1721                                  /*relsim_flags*/0,
1722                                  /*reduction*/0,
1723                                  /*timeout*/0,
1724                                  /*getcount_only*/0);
1725         }
1726         return (ERESTART);
1727 }
1728
1729 static void
1730 dadone(struct cam_periph *periph, union ccb *done_ccb)
1731 {
1732         struct da_softc *softc;
1733         struct ccb_scsiio *csio;
1734         u_int32_t  priority;
1735
1736         softc = (struct da_softc *)periph->softc;
1737         priority = done_ccb->ccb_h.pinfo.priority;
1738         csio = &done_ccb->csio;
1739         switch (csio->ccb_h.ccb_state & DA_CCB_TYPE_MASK) {
1740         case DA_CCB_BUFFER_IO:
1741         {
1742                 struct bio *bp;
1743
1744                 bp = (struct bio *)done_ccb->ccb_h.ccb_bp;
1745                 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
1746                         int error;
1747                         int sf;
1748
1749                         if ((csio->ccb_h.ccb_state & DA_CCB_RETRY_UA) != 0)
1750                                 sf = SF_RETRY_UA;
1751                         else
1752                                 sf = 0;
1753
1754                         error = daerror(done_ccb, CAM_RETRY_SELTO, sf);
1755                         if (error == ERESTART) {
1756                                 /*
1757                                  * A retry was scheuled, so
1758                                  * just return.
1759                                  */
1760                                 return;
1761                         }
1762                         if (error != 0) {
1763
1764                                 if (error == ENXIO) {
1765                                         /*
1766                                          * Catastrophic error.  Mark our pack as
1767                                          * invalid.
1768                                          */
1769                                         /*
1770                                          * XXX See if this is really a media
1771                                          * XXX change first?
1772                                          */
1773                                         xpt_print(periph->path,
1774                                             "Invalidating pack\n");
1775                                         softc->flags |= DA_FLAG_PACK_INVALID;
1776                                 }
1777
1778                                 /*
1779                                  * return all queued I/O with EIO, so that
1780                                  * the client can retry these I/Os in the
1781                                  * proper order should it attempt to recover.
1782                                  */
1783                                 bioq_flush(&softc->bio_queue, NULL, EIO);
1784                                 bp->bio_error = error;
1785                                 bp->bio_resid = bp->bio_bcount;
1786                                 bp->bio_flags |= BIO_ERROR;
1787                         } else {
1788                                 bp->bio_resid = csio->resid;
1789                                 bp->bio_error = 0;
1790                                 if (bp->bio_resid != 0)
1791                                         bp->bio_flags |= BIO_ERROR;
1792                         }
1793                         if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
1794                                 cam_release_devq(done_ccb->ccb_h.path,
1795                                                  /*relsim_flags*/0,
1796                                                  /*reduction*/0,
1797                                                  /*timeout*/0,
1798                                                  /*getcount_only*/0);
1799                 } else {
1800                         if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
1801                                 panic("REQ_CMP with QFRZN");
1802                         bp->bio_resid = csio->resid;
1803                         if (csio->resid > 0)
1804                                 bp->bio_flags |= BIO_ERROR;
1805                         if (softc->error_inject != 0) {
1806                                 bp->bio_error = softc->error_inject;
1807                                 bp->bio_resid = bp->bio_bcount;
1808                                 bp->bio_flags |= BIO_ERROR;
1809                                 softc->error_inject = 0;
1810                         }
1811
1812                 }
1813
1814                 /*
1815                  * Block out any asyncronous callbacks
1816                  * while we touch the pending ccb list.
1817                  */
1818                 LIST_REMOVE(&done_ccb->ccb_h, periph_links.le);
1819                 softc->outstanding_cmds--;
1820                 if (softc->outstanding_cmds == 0)
1821                         softc->flags |= DA_FLAG_WENT_IDLE;
1822
1823                 biodone(bp);
1824                 break;
1825         }
1826         case DA_CCB_PROBE:
1827         case DA_CCB_PROBE2:
1828         {
1829                 struct     scsi_read_capacity_data *rdcap;
1830                 struct     scsi_read_capacity_data_long *rcaplong;
1831                 char       announce_buf[80];
1832
1833                 rdcap = NULL;
1834                 rcaplong = NULL;
1835                 if (softc->state == DA_STATE_PROBE)
1836                         rdcap =(struct scsi_read_capacity_data *)csio->data_ptr;
1837                 else
1838                         rcaplong = (struct scsi_read_capacity_data_long *)
1839                                 csio->data_ptr;
1840
1841                 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
1842                         struct disk_params *dp;
1843                         uint32_t block_size;
1844                         uint64_t maxsector;
1845
1846                         if (softc->state == DA_STATE_PROBE) {
1847                                 block_size = scsi_4btoul(rdcap->length);
1848                                 maxsector = scsi_4btoul(rdcap->addr);
1849
1850                                 /*
1851                                  * According to SBC-2, if the standard 10
1852                                  * byte READ CAPACITY command returns 2^32,
1853                                  * we should issue the 16 byte version of
1854                                  * the command, since the device in question
1855                                  * has more sectors than can be represented
1856                                  * with the short version of the command.
1857                                  */
1858                                 if (maxsector == 0xffffffff) {
1859                                         softc->state = DA_STATE_PROBE2;
1860                                         free(rdcap, M_SCSIDA);
1861                                         xpt_release_ccb(done_ccb);
1862                                         xpt_schedule(periph, priority);
1863                                         return;
1864                                 }
1865                         } else {
1866                                 block_size = scsi_4btoul(rcaplong->length);
1867                                 maxsector = scsi_8btou64(rcaplong->addr);
1868                         }
1869
1870                         /*
1871                          * Because GEOM code just will panic us if we
1872                          * give them an 'illegal' value we'll avoid that
1873                          * here.
1874                          */
1875                         if (block_size == 0 && maxsector == 0) {
1876                                 snprintf(announce_buf, sizeof(announce_buf),
1877                                         "0MB (no media?)");
1878                         } else if (block_size >= MAXPHYS || block_size == 0) {
1879                                 xpt_print(periph->path,
1880                                     "unsupportable block size %ju\n",
1881                                     (uintmax_t) block_size);
1882                                 announce_buf[0] = '\0';
1883                                 cam_periph_invalidate(periph);
1884                         } else {
1885                                 dasetgeom(periph, block_size, maxsector, 0, 0);
1886                                 dp = &softc->params;
1887                                 snprintf(announce_buf, sizeof(announce_buf),
1888                                         "%juMB (%ju %u byte sectors: %dH %dS/T "
1889                                         "%dC)", (uintmax_t)
1890                                         (((uintmax_t)dp->secsize *
1891                                         dp->sectors) / (1024*1024)),
1892                                         (uintmax_t)dp->sectors,
1893                                         dp->secsize, dp->heads,
1894                                         dp->secs_per_track, dp->cylinders);
1895                         }
1896                 } else {
1897                         int     error;
1898
1899                         announce_buf[0] = '\0';
1900
1901                         /*
1902                          * Retry any UNIT ATTENTION type errors.  They
1903                          * are expected at boot.
1904                          */
1905                         error = daerror(done_ccb, CAM_RETRY_SELTO,
1906                                         SF_RETRY_UA|SF_NO_PRINT);
1907                         if (error == ERESTART) {
1908                                 /*
1909                                  * A retry was scheuled, so
1910                                  * just return.
1911                                  */
1912                                 return;
1913                         } else if (error != 0) {
1914                                 struct scsi_sense_data *sense;
1915                                 int asc, ascq;
1916                                 int sense_key, error_code;
1917                                 int have_sense;
1918                                 cam_status status;
1919                                 struct ccb_getdev cgd;
1920
1921                                 /* Don't wedge this device's queue */
1922                                 status = done_ccb->ccb_h.status;
1923                                 if ((status & CAM_DEV_QFRZN) != 0)
1924                                         cam_release_devq(done_ccb->ccb_h.path,
1925                                                          /*relsim_flags*/0,
1926                                                          /*reduction*/0,
1927                                                          /*timeout*/0,
1928                                                          /*getcount_only*/0);
1929
1930
1931                                 xpt_setup_ccb(&cgd.ccb_h,
1932                                               done_ccb->ccb_h.path,
1933                                               CAM_PRIORITY_NORMAL);
1934                                 cgd.ccb_h.func_code = XPT_GDEV_TYPE;
1935                                 xpt_action((union ccb *)&cgd);
1936
1937                                 if (((csio->ccb_h.flags & CAM_SENSE_PHYS) != 0)
1938                                  || ((csio->ccb_h.flags & CAM_SENSE_PTR) != 0)
1939                                  || ((status & CAM_AUTOSNS_VALID) == 0))
1940                                         have_sense = FALSE;
1941                                 else
1942                                         have_sense = TRUE;
1943
1944                                 if (have_sense) {
1945                                         sense = &csio->sense_data;
1946                                         scsi_extract_sense(sense, &error_code,
1947                                                            &sense_key,
1948                                                            &asc, &ascq);
1949                                 }
1950                                 /*
1951                                  * Attach to anything that claims to be a
1952                                  * direct access or optical disk device,
1953                                  * as long as it doesn't return a "Logical
1954                                  * unit not supported" (0x25) error.
1955                                  */
1956                                 if ((have_sense) && (asc != 0x25)
1957                                  && (error_code == SSD_CURRENT_ERROR)) {
1958                                         const char *sense_key_desc;
1959                                         const char *asc_desc;
1960
1961                                         scsi_sense_desc(sense_key, asc, ascq,
1962                                                         &cgd.inq_data,
1963                                                         &sense_key_desc,
1964                                                         &asc_desc);
1965                                         snprintf(announce_buf,
1966                                             sizeof(announce_buf),
1967                                                 "Attempt to query device "
1968                                                 "size failed: %s, %s",
1969                                                 sense_key_desc,
1970                                                 asc_desc);
1971                                 } else {
1972                                         if (have_sense)
1973                                                 scsi_sense_print(
1974                                                         &done_ccb->csio);
1975                                         else {
1976                                                 xpt_print(periph->path,
1977                                                     "got CAM status %#x\n",
1978                                                     done_ccb->ccb_h.status);
1979                                         }
1980
1981                                         xpt_print(periph->path, "fatal error, "
1982                                             "failed to attach to device\n");
1983
1984                                         /*
1985                                          * Free up resources.
1986                                          */
1987                                         cam_periph_invalidate(periph);
1988                                 }
1989                         }
1990                 }
1991                 free(csio->data_ptr, M_SCSIDA);
1992                 if (announce_buf[0] != '\0') {
1993                         /*
1994                          * Create our sysctl variables, now that we know
1995                          * we have successfully attached.
1996                          */
1997                         /* increase the refcount */
1998                         if (cam_periph_acquire(periph) == CAM_REQ_CMP) {
1999                                 taskqueue_enqueue(taskqueue_thread,
2000                                                   &softc->sysctl_task);
2001                                 xpt_announce_periph(periph, announce_buf);
2002                         } else {
2003                                 xpt_print(periph->path, "fatal error, "
2004                                     "could not acquire reference count\n");
2005                         }
2006
2007                 }
2008                 softc->state = DA_STATE_NORMAL;
2009                 /*
2010                  * Since our peripheral may be invalidated by an error
2011                  * above or an external event, we must release our CCB
2012                  * before releasing the probe lock on the peripheral.
2013                  * The peripheral will only go away once the last lock
2014                  * is removed, and we need it around for the CCB release
2015                  * operation.
2016                  */
2017                 xpt_release_ccb(done_ccb);
2018                 cam_periph_unhold(periph);
2019                 return;
2020         }
2021         case DA_CCB_WAITING:
2022         {
2023                 /* Caller will release the CCB */
2024                 wakeup(&done_ccb->ccb_h.cbfcnp);
2025                 return;
2026         }
2027         case DA_CCB_DUMP:
2028                 /* No-op.  We're polling */
2029                 return;
2030         default:
2031                 break;
2032         }
2033         xpt_release_ccb(done_ccb);
2034 }
2035
2036 static int
2037 daerror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags)
2038 {
2039         struct da_softc   *softc;
2040         struct cam_periph *periph;
2041         int error;
2042
2043         periph = xpt_path_periph(ccb->ccb_h.path);
2044         softc = (struct da_softc *)periph->softc;
2045
2046         /*
2047          * Automatically detect devices that do not support
2048          * READ(6)/WRITE(6) and upgrade to using 10 byte cdbs.
2049          */
2050         error = 0;
2051         if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INVALID) {
2052                 error = cmd6workaround(ccb);
2053         } else if (((ccb->ccb_h.status & CAM_STATUS_MASK) ==
2054                    CAM_SCSI_STATUS_ERROR)
2055          && (ccb->ccb_h.status & CAM_AUTOSNS_VALID)
2056          && (ccb->csio.scsi_status == SCSI_STATUS_CHECK_COND)
2057          && ((ccb->ccb_h.flags & CAM_SENSE_PHYS) == 0)
2058          && ((ccb->ccb_h.flags & CAM_SENSE_PTR) == 0)) {
2059                 int sense_key, error_code, asc, ascq;
2060
2061                 scsi_extract_sense(&ccb->csio.sense_data,
2062                                    &error_code, &sense_key, &asc, &ascq);
2063                 if (sense_key == SSD_KEY_ILLEGAL_REQUEST)
2064                         error = cmd6workaround(ccb);
2065         }
2066         if (error == ERESTART)
2067                 return (ERESTART);
2068
2069         /*
2070          * XXX
2071          * Until we have a better way of doing pack validation,
2072          * don't treat UAs as errors.
2073          */
2074         sense_flags |= SF_RETRY_UA;
2075         return(cam_periph_error(ccb, cam_flags, sense_flags,
2076                                 &softc->saved_ccb));
2077 }
2078
2079 static void
2080 daprevent(struct cam_periph *periph, int action)
2081 {
2082         struct  da_softc *softc;
2083         union   ccb *ccb;
2084         int     error;
2085
2086         softc = (struct da_softc *)periph->softc;
2087
2088         if (((action == PR_ALLOW)
2089           && (softc->flags & DA_FLAG_PACK_LOCKED) == 0)
2090          || ((action == PR_PREVENT)
2091           && (softc->flags & DA_FLAG_PACK_LOCKED) != 0)) {
2092                 return;
2093         }
2094
2095         ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
2096
2097         scsi_prevent(&ccb->csio,
2098                      /*retries*/1,
2099                      /*cbcfp*/dadone,
2100                      MSG_SIMPLE_Q_TAG,
2101                      action,
2102                      SSD_FULL_SIZE,
2103                      5000);
2104
2105         error = cam_periph_runccb(ccb, /*error_routine*/NULL, CAM_RETRY_SELTO,
2106                                   SF_RETRY_UA, softc->disk->d_devstat);
2107
2108         if (error == 0) {
2109                 if (action == PR_ALLOW)
2110                         softc->flags &= ~DA_FLAG_PACK_LOCKED;
2111                 else
2112                         softc->flags |= DA_FLAG_PACK_LOCKED;
2113         }
2114
2115         xpt_release_ccb(ccb);
2116 }
2117
2118 static int
2119 dagetcapacity(struct cam_periph *periph)
2120 {
2121         struct da_softc *softc;
2122         union ccb *ccb;
2123         struct scsi_read_capacity_data *rcap;
2124         struct scsi_read_capacity_data_long *rcaplong;
2125         uint32_t block_len;
2126         uint64_t maxsector;
2127         int error;
2128         u_int32_t sense_flags;
2129
2130         softc = (struct da_softc *)periph->softc;
2131         block_len = 0;
2132         maxsector = 0;
2133         error = 0;
2134         sense_flags = SF_RETRY_UA;
2135         if (softc->flags & DA_FLAG_PACK_REMOVABLE)
2136                 sense_flags |= SF_NO_PRINT;
2137
2138         /* Do a read capacity */
2139         rcap = (struct scsi_read_capacity_data *)malloc(sizeof(*rcaplong),
2140                                                         M_SCSIDA,
2141                                                         M_NOWAIT);
2142         if (rcap == NULL)
2143                 return (ENOMEM);
2144
2145         ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
2146         scsi_read_capacity(&ccb->csio,
2147                            /*retries*/4,
2148                            /*cbfncp*/dadone,
2149                            MSG_SIMPLE_Q_TAG,
2150                            rcap,
2151                            SSD_FULL_SIZE,
2152                            /*timeout*/60000);
2153         ccb->ccb_h.ccb_bp = NULL;
2154
2155         error = cam_periph_runccb(ccb, daerror,
2156                                   /*cam_flags*/CAM_RETRY_SELTO,
2157                                   sense_flags,
2158                                   softc->disk->d_devstat);
2159
2160         if ((ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
2161                 cam_release_devq(ccb->ccb_h.path,
2162                                  /*relsim_flags*/0,
2163                                  /*reduction*/0,
2164                                  /*timeout*/0,
2165                                  /*getcount_only*/0);
2166
2167         if (error == 0) {
2168                 block_len = scsi_4btoul(rcap->length);
2169                 maxsector = scsi_4btoul(rcap->addr);
2170
2171                 if (maxsector != 0xffffffff)
2172                         goto done;
2173         } else
2174                 goto done;
2175
2176         rcaplong = (struct scsi_read_capacity_data_long *)rcap;
2177
2178         scsi_read_capacity_16(&ccb->csio,
2179                               /*retries*/ 4,
2180                               /*cbfcnp*/ dadone,
2181                               /*tag_action*/ MSG_SIMPLE_Q_TAG,
2182                               /*lba*/ 0,
2183                               /*reladr*/ 0,
2184                               /*pmi*/ 0,
2185                               rcaplong,
2186                               /*sense_len*/ SSD_FULL_SIZE,
2187                               /*timeout*/ 60000);
2188         ccb->ccb_h.ccb_bp = NULL;
2189
2190         error = cam_periph_runccb(ccb, daerror,
2191                                   /*cam_flags*/CAM_RETRY_SELTO,
2192                                   sense_flags,
2193                                   softc->disk->d_devstat);
2194
2195         if ((ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
2196                 cam_release_devq(ccb->ccb_h.path,
2197                                  /*relsim_flags*/0,
2198                                  /*reduction*/0,
2199                                  /*timeout*/0,
2200                                  /*getcount_only*/0);
2201
2202         if (error == 0) {
2203                 block_len = scsi_4btoul(rcaplong->length);
2204                 maxsector = scsi_8btou64(rcaplong->addr);
2205         }
2206
2207 done:
2208
2209         if (error == 0) {
2210                 if (block_len >= MAXPHYS || block_len == 0) {
2211                         xpt_print(periph->path,
2212                             "unsupportable block size %ju\n",
2213                             (uintmax_t) block_len);
2214                         error = EINVAL;
2215                 } else
2216                         dasetgeom(periph, block_len, maxsector, 0, 0);
2217         }
2218
2219         xpt_release_ccb(ccb);
2220
2221         free(rcap, M_SCSIDA);
2222
2223         return (error);
2224 }
2225
2226 static void
2227 dasetgeom(struct cam_periph *periph, uint32_t block_len, uint64_t maxsector,
2228     u_int lbppbe, u_int lalba)
2229 {
2230         struct ccb_calc_geometry ccg;
2231         struct da_softc *softc;
2232         struct disk_params *dp;
2233
2234         softc = (struct da_softc *)periph->softc;
2235
2236         dp = &softc->params;
2237         dp->secsize = block_len;
2238         dp->sectors = maxsector + 1;
2239         if (lbppbe > 0) {
2240                 dp->stripesize = block_len << lbppbe;
2241                 dp->stripeoffset = (dp->stripesize - block_len * lalba) %
2242                     dp->stripesize;
2243         } else if (softc->quirks & DA_Q_4K) {
2244                 dp->stripesize = 4096;
2245                 dp->stripeoffset = 0;
2246         } else {
2247                 dp->stripesize = 0;
2248                 dp->stripeoffset = 0;
2249         }
2250         /*
2251          * Have the controller provide us with a geometry
2252          * for this disk.  The only time the geometry
2253          * matters is when we boot and the controller
2254          * is the only one knowledgeable enough to come
2255          * up with something that will make this a bootable
2256          * device.
2257          */
2258         xpt_setup_ccb(&ccg.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
2259         ccg.ccb_h.func_code = XPT_CALC_GEOMETRY;
2260         ccg.block_size = dp->secsize;
2261         ccg.volume_size = dp->sectors;
2262         ccg.heads = 0;
2263         ccg.secs_per_track = 0;
2264         ccg.cylinders = 0;
2265         xpt_action((union ccb*)&ccg);
2266         if ((ccg.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
2267                 /*
2268                  * We don't know what went wrong here- but just pick
2269                  * a geometry so we don't have nasty things like divide
2270                  * by zero.
2271                  */
2272                 dp->heads = 255;
2273                 dp->secs_per_track = 255;
2274                 dp->cylinders = dp->sectors / (255 * 255);
2275                 if (dp->cylinders == 0) {
2276                         dp->cylinders = 1;
2277                 }
2278         } else {
2279                 dp->heads = ccg.heads;
2280                 dp->secs_per_track = ccg.secs_per_track;
2281                 dp->cylinders = ccg.cylinders;
2282         }
2283 }
2284
2285 static void
2286 dasendorderedtag(void *arg)
2287 {
2288         struct da_softc *softc = arg;
2289
2290         if (da_send_ordered) {
2291                 if ((softc->ordered_tag_count == 0)
2292                  && ((softc->flags & DA_FLAG_WENT_IDLE) == 0)) {
2293                         softc->flags |= DA_FLAG_NEED_OTAG;
2294                 }
2295                 if (softc->outstanding_cmds > 0)
2296                         softc->flags &= ~DA_FLAG_WENT_IDLE;
2297
2298                 softc->ordered_tag_count = 0;
2299         }
2300         /* Queue us up again */
2301         callout_reset(&softc->sendordered_c,
2302             (DA_DEFAULT_TIMEOUT * hz) / DA_ORDEREDTAG_INTERVAL,
2303             dasendorderedtag, softc);
2304 }
2305
2306 /*
2307  * Step through all DA peripheral drivers, and if the device is still open,
2308  * sync the disk cache to physical media.
2309  */
2310 static void
2311 dashutdown(void * arg, int howto)
2312 {
2313         struct cam_periph *periph;
2314         struct da_softc *softc;
2315
2316         TAILQ_FOREACH(periph, &dadriver.units, unit_links) {
2317                 union ccb ccb;
2318
2319                 cam_periph_lock(periph);
2320                 softc = (struct da_softc *)periph->softc;
2321
2322                 /*
2323                  * We only sync the cache if the drive is still open, and
2324                  * if the drive is capable of it..
2325                  */
2326                 if (((softc->flags & DA_FLAG_OPEN) == 0)
2327                  || (softc->quirks & DA_Q_NO_SYNC_CACHE)) {
2328                         cam_periph_unlock(periph);
2329                         continue;
2330                 }
2331
2332                 xpt_setup_ccb(&ccb.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
2333
2334                 ccb.ccb_h.ccb_state = DA_CCB_DUMP;
2335                 scsi_synchronize_cache(&ccb.csio,
2336                                        /*retries*/1,
2337                                        /*cbfcnp*/dadone,
2338                                        MSG_SIMPLE_Q_TAG,
2339                                        /*begin_lba*/0, /* whole disk */
2340                                        /*lb_count*/0,
2341                                        SSD_FULL_SIZE,
2342                                        60 * 60 * 1000);
2343
2344                 xpt_polled_action(&ccb);
2345
2346                 if ((ccb.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
2347                         if (((ccb.ccb_h.status & CAM_STATUS_MASK) ==
2348                              CAM_SCSI_STATUS_ERROR)
2349                          && (ccb.csio.scsi_status == SCSI_STATUS_CHECK_COND)){
2350                                 int error_code, sense_key, asc, ascq;
2351
2352                                 scsi_extract_sense(&ccb.csio.sense_data,
2353                                                    &error_code, &sense_key,
2354                                                    &asc, &ascq);
2355
2356                                 if (sense_key != SSD_KEY_ILLEGAL_REQUEST)
2357                                         scsi_sense_print(&ccb.csio);
2358                         } else {
2359                                 xpt_print(periph->path, "Synchronize "
2360                                     "cache failed, status == 0x%x, scsi status "
2361                                     "== 0x%x\n", ccb.ccb_h.status,
2362                                     ccb.csio.scsi_status);
2363                         }
2364                 }
2365
2366                 if ((ccb.ccb_h.status & CAM_DEV_QFRZN) != 0)
2367                         cam_release_devq(ccb.ccb_h.path,
2368                                          /*relsim_flags*/0,
2369                                          /*reduction*/0,
2370                                          /*timeout*/0,
2371                                          /*getcount_only*/0);
2372                 cam_periph_unlock(periph);
2373         }
2374 }
2375
2376 #else /* !_KERNEL */
2377
2378 /*
2379  * XXX This is only left out of the kernel build to silence warnings.  If,
2380  * for some reason this function is used in the kernel, the ifdefs should
2381  * be moved so it is included both in the kernel and userland.
2382  */
2383 void
2384 scsi_format_unit(struct ccb_scsiio *csio, u_int32_t retries,
2385                  void (*cbfcnp)(struct cam_periph *, union ccb *),
2386                  u_int8_t tag_action, u_int8_t byte2, u_int16_t ileave,
2387                  u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len,
2388                  u_int32_t timeout)
2389 {
2390         struct scsi_format_unit *scsi_cmd;
2391
2392         scsi_cmd = (struct scsi_format_unit *)&csio->cdb_io.cdb_bytes;
2393         scsi_cmd->opcode = FORMAT_UNIT;
2394         scsi_cmd->byte2 = byte2;
2395         scsi_ulto2b(ileave, scsi_cmd->interleave);
2396
2397         cam_fill_csio(csio,
2398                       retries,
2399                       cbfcnp,
2400                       /*flags*/ (dxfer_len > 0) ? CAM_DIR_OUT : CAM_DIR_NONE,
2401                       tag_action,
2402                       data_ptr,
2403                       dxfer_len,
2404                       sense_len,
2405                       sizeof(*scsi_cmd),
2406                       timeout);
2407 }
2408
2409 #endif /* _KERNEL */