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.h>
  48 #include <geom/geom_disk.h>
  49 #endif /* _KERNEL */
  50
  51 #ifndef _KERNEL
  52 #include <stdio.h>
  53 #include <string.h>
  54 #endif /* _KERNEL */
  55
  56 #include <cam/cam.h>
  57 #include <cam/cam_ccb.h>
  58 #include <cam/cam_periph.h>
  59 #include <cam/cam_xpt_periph.h>
  60 #include <cam/cam_sim.h>
  61
  62 #include <cam/scsi/scsi_message.h>
  63
  64 #ifndef _KERNEL
  65 #include <cam/scsi/scsi_da.h>
  66 #endif /* !_KERNEL */
  67
  68 #ifdef _KERNEL
  69 typedef enum {
  70         DA_STATE_PROBE,
  71         DA_STATE_PROBE2,
  72         DA_STATE_NORMAL
  73 } da_state;
  74
  75 typedef enum {
  76         DA_FLAG_PACK_INVALID    = 0x001,
  77         DA_FLAG_NEW_PACK        = 0x002,
  78         DA_FLAG_PACK_LOCKED     = 0x004,
  79         DA_FLAG_PACK_REMOVABLE  = 0x008,
  80         DA_FLAG_SAW_MEDIA       = 0x010,
  81         DA_FLAG_NEED_OTAG       = 0x020,
  82         DA_FLAG_WENT_IDLE       = 0x040,
  83         DA_FLAG_RETRY_UA        = 0x080,
  84         DA_FLAG_OPEN            = 0x100,
  85         DA_FLAG_SCTX_INIT       = 0x200,
  86         DA_FLAG_CAN_RC16        = 0x400,
  87         DA_FLAG_PROBED          = 0x800
  88 } da_flags;
  89
  90 typedef enum {
  91         DA_Q_NONE               = 0x00,
  92         DA_Q_NO_SYNC_CACHE      = 0x01,
  93         DA_Q_NO_6_BYTE          = 0x02,
  94         DA_Q_NO_PREVENT         = 0x04,
  95         DA_Q_4K                 = 0x08
  96 } da_quirks;
  97
  98 typedef enum {
  99         DA_CCB_PROBE            = 0x01,
 100         DA_CCB_PROBE2           = 0x02,
 101         DA_CCB_BUFFER_IO        = 0x03,
 102         DA_CCB_WAITING          = 0x04,
 103         DA_CCB_DUMP             = 0x05,
 104         DA_CCB_DELETE           = 0x06,
 105         DA_CCB_TUR              = 0x07,
 106         DA_CCB_TYPE_MASK        = 0x0F,
 107         DA_CCB_RETRY_UA         = 0x10
 108 } da_ccb_state;
 109
 110 typedef enum {
 111         DA_DELETE_NONE,
 112         DA_DELETE_DISABLE,
 113         DA_DELETE_ZERO,
 114         DA_DELETE_WS10,
 115         DA_DELETE_WS16,
 116         DA_DELETE_UNMAP,
 117         DA_DELETE_MAX = DA_DELETE_UNMAP
 118 } da_delete_methods;
 119
 120 static const char *da_delete_method_names[] =
 121     { "NONE", "DISABLE", "ZERO", "WS10", "WS16", "UNMAP" };
 122
 123 /* Offsets into our private area for storing information */
 124 #define ccb_state       ppriv_field0
 125 #define ccb_bp          ppriv_ptr1
 126
 127 struct disk_params {
 128         u_int8_t  heads;
 129         u_int32_t cylinders;
 130         u_int8_t  secs_per_track;
 131         u_int32_t secsize;      /* Number of bytes/sector */
 132         u_int64_t sectors;      /* total number sectors */
 133         u_int     stripesize;
 134         u_int     stripeoffset;
 135 };
 136
 137 #define UNMAP_MAX_RANGES        512
 138
 139 struct da_softc {
 140         struct   bio_queue_head bio_queue;
 141         struct   bio_queue_head delete_queue;
 142         struct   bio_queue_head delete_run_queue;
 143         SLIST_ENTRY(da_softc) links;
 144         LIST_HEAD(, ccb_hdr) pending_ccbs;
 145         da_state state;
 146         da_flags flags;
 147         da_quirks quirks;
 148         int      sort_io_queue;
 149         int      minimum_cmd_size;
 150         int      error_inject;
 151         int      ordered_tag_count;
 152         int      outstanding_cmds;
 153         int      unmap_max_ranges;
 154         int      unmap_max_lba;
 155         int      delete_running;
 156         int      tur;
 157         da_delete_methods        delete_method;
 158         struct   disk_params params;
 159         struct   disk *disk;
 160         union    ccb saved_ccb;
 161         struct task             sysctl_task;
 162         struct sysctl_ctx_list  sysctl_ctx;
 163         struct sysctl_oid       *sysctl_tree;
 164         struct callout          sendordered_c;
 165         uint64_t wwpn;
 166         uint8_t  unmap_buf[UNMAP_MAX_RANGES * 16 + 8];
 167         struct scsi_read_capacity_data_long rcaplong;
 168         struct callout          mediapoll_c;
 169 };
 170
 171 struct da_quirk_entry {
 172         struct scsi_inquiry_pattern inq_pat;
 173         da_quirks quirks;
 174 };
 175
 176 static const char quantum[] = "QUANTUM";
 177 static const char microp[] = "MICROP";
 178
 179 static struct da_quirk_entry da_quirk_table[] =
 180 {
 181         /* SPI, FC devices */
 182         {
 183                 /*
 184                  * Fujitsu M2513A MO drives.
 185                  * Tested devices: M2513A2 firmware versions 1200 & 1300.
 186                  * (dip switch selects whether T_DIRECT or T_OPTICAL device)
 187                  * Reported by: W.Scholten <whs@xs4all.nl>
 188                  */
 189                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "FUJITSU", "M2513A", "*"},
 190                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 191         },
 192         {
 193                 /* See above. */
 194                 {T_OPTICAL, SIP_MEDIA_REMOVABLE, "FUJITSU", "M2513A", "*"},
 195                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 196         },
 197         {
 198                 /*
 199                  * This particular Fujitsu drive doesn't like the
 200                  * synchronize cache command.
 201                  * Reported by: Tom Jackson <toj@gorilla.net>
 202                  */
 203                 {T_DIRECT, SIP_MEDIA_FIXED, "FUJITSU", "M2954*", "*"},
 204                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 205         },
 206         {
 207                 /*
 208                  * This drive doesn't like the synchronize cache command
 209                  * either.  Reported by: Matthew Jacob <mjacob@feral.com>
 210                  * in NetBSD PR kern/6027, August 24, 1998.
 211                  */
 212                 {T_DIRECT, SIP_MEDIA_FIXED, microp, "2217*", "*"},
 213                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 214         },
 215         {
 216                 /*
 217                  * This drive doesn't like the synchronize cache command
 218                  * either.  Reported by: Hellmuth Michaelis (hm@kts.org)
 219                  * (PR 8882).
 220                  */
 221                 {T_DIRECT, SIP_MEDIA_FIXED, microp, "2112*", "*"},
 222                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 223         },
 224         {
 225                 /*
 226                  * Doesn't like the synchronize cache command.
 227                  * Reported by: Blaz Zupan <blaz@gold.amis.net>
 228                  */
 229                 {T_DIRECT, SIP_MEDIA_FIXED, "NEC", "D3847*", "*"},
 230                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 231         },
 232         {
 233                 /*
 234                  * Doesn't like the synchronize cache command.
 235                  * Reported by: Blaz Zupan <blaz@gold.amis.net>
 236                  */
 237                 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "MAVERICK 540S", "*"},
 238                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 239         },
 240         {
 241                 /*
 242                  * Doesn't like the synchronize cache command.
 243                  */
 244                 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "LPS525S", "*"},
 245                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 246         },
 247         {
 248                 /*
 249                  * Doesn't like the synchronize cache command.
 250                  * Reported by: walter@pelissero.de
 251                  */
 252                 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "LPS540S", "*"},
 253                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 254         },
 255         {
 256                 /*
 257                  * Doesn't work correctly with 6 byte reads/writes.
 258                  * Returns illegal request, and points to byte 9 of the
 259                  * 6-byte CDB.
 260                  * Reported by:  Adam McDougall <bsdx@spawnet.com>
 261                  */
 262                 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "VIKING 4*", "*"},
 263                 /*quirks*/ DA_Q_NO_6_BYTE
 264         },
 265         {
 266                 /* See above. */
 267                 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "VIKING 2*", "*"},
 268                 /*quirks*/ DA_Q_NO_6_BYTE
 269         },
 270         {
 271                 /*
 272                  * Doesn't like the synchronize cache command.
 273                  * Reported by: walter@pelissero.de
 274                  */
 275                 {T_DIRECT, SIP_MEDIA_FIXED, "CONNER", "CP3500*", "*"},
 276                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 277         },
 278         {
 279                 /*
 280                  * The CISS RAID controllers do not support SYNC_CACHE
 281                  */
 282                 {T_DIRECT, SIP_MEDIA_FIXED, "COMPAQ", "RAID*", "*"},
 283                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 284         },
 285         /* USB mass storage devices supported by umass(4) */
 286         {
 287                 /*
 288                  * EXATELECOM (Sigmatel) i-Bead 100/105 USB Flash MP3 Player
 289                  * PR: kern/51675
 290                  */
 291                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "EXATEL", "i-BEAD10*", "*"},
 292                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 293         },
 294         {
 295                 /*
 296                  * Power Quotient Int. (PQI) USB flash key
 297                  * PR: kern/53067
 298                  */
 299                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "USB Flash Disk*",
 300                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 301         },
 302         {
 303                 /*
 304                  * Creative Nomad MUVO mp3 player (USB)
 305                  * PR: kern/53094
 306                  */
 307                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "CREATIVE", "NOMAD_MUVO", "*"},
 308                 /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT
 309         },
 310         {
 311                 /*
 312                  * Jungsoft NEXDISK USB flash key
 313                  * PR: kern/54737
 314                  */
 315                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "JUNGSOFT", "NEXDISK*", "*"},
 316                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 317         },
 318         {
 319                 /*
 320                  * FreeDik USB Mini Data Drive
 321                  * PR: kern/54786
 322                  */
 323                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "FreeDik*", "Mini Data Drive",
 324                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 325         },
 326         {
 327                 /*
 328                  * Sigmatel USB Flash MP3 Player
 329                  * PR: kern/57046
 330                  */
 331                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "SigmaTel", "MSCN", "*"},
 332                 /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT
 333         },
 334         {
 335                 /*
 336                  * Neuros USB Digital Audio Computer
 337                  * PR: kern/63645
 338                  */
 339                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "NEUROS", "dig. audio comp.",
 340                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 341         },
 342         {
 343                 /*
 344                  * SEAGRAND NP-900 MP3 Player
 345                  * PR: kern/64563
 346                  */
 347                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "SEAGRAND", "NP-900*", "*"},
 348                 /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT
 349         },
 350         {
 351                 /*
 352                  * iRiver iFP MP3 player (with UMS Firmware)
 353                  * PR: kern/54881, i386/63941, kern/66124
 354                  */
 355                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "iRiver", "iFP*", "*"},
 356                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 357         },
 358         {
 359                 /*
 360                  * Frontier Labs NEX IA+ Digital Audio Player, rev 1.10/0.01
 361                  * PR: kern/70158
 362                  */
 363                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "FL" , "Nex*", "*"},
 364                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 365         },
 366         {
 367                 /*
 368                  * ZICPlay USB MP3 Player with FM
 369                  * PR: kern/75057
 370                  */
 371                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "ACTIONS*" , "USB DISK*", "*"},
 372                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 373         },
 374         {
 375                 /*
 376                  * TEAC USB floppy mechanisms
 377                  */
 378                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "TEAC" , "FD-05*", "*"},
 379                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 380         },
 381         {
 382                 /*
 383                  * Kingston DataTraveler II+ USB Pen-Drive.
 384                  * Reported by: Pawel Jakub Dawidek <pjd@FreeBSD.org>
 385                  */
 386                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Kingston" , "DataTraveler II+",
 387                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 388         },
 389         {
 390                 /*
 391                  * USB DISK Pro PMAP
 392                  * Reported by: jhs
 393                  * PR: usb/96381
 394                  */
 395                 {T_DIRECT, SIP_MEDIA_REMOVABLE, " ", "USB DISK Pro", "PMAP"},
 396                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 397         },
 398         {
 399                 /*
 400                  * Motorola E398 Mobile Phone (TransFlash memory card).
 401                  * Reported by: Wojciech A. Koszek <dunstan@FreeBSD.czest.pl>
 402                  * PR: usb/89889
 403                  */
 404                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Motorola" , "Motorola Phone",
 405                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 406         },
 407         {
 408                 /*
 409                  * Qware BeatZkey! Pro
 410                  * PR: usb/79164
 411                  */
 412                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "GENERIC", "USB DISK DEVICE",
 413                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 414         },
 415         {
 416                 /*
 417                  * Time DPA20B 1GB MP3 Player
 418                  * PR: usb/81846
 419                  */
 420                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "USB2.0*", "(FS) FLASH DISK*",
 421                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 422         },
 423         {
 424                 /*
 425                  * Samsung USB key 128Mb
 426                  * PR: usb/90081
 427                  */
 428                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "USB-DISK", "FreeDik-FlashUsb",
 429                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 430         },
 431         {
 432                 /*
 433                  * Kingston DataTraveler 2.0 USB Flash memory.
 434                  * PR: usb/89196
 435                  */
 436                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Kingston", "DataTraveler 2.0",
 437                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 438         },
 439         {
 440                 /*
 441                  * Creative MUVO Slim mp3 player (USB)
 442                  * PR: usb/86131
 443                  */
 444                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "CREATIVE", "MuVo Slim",
 445                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT
 446                 },
 447         {
 448                 /*
 449                  * United MP5512 Portable MP3 Player (2-in-1 USB DISK/MP3)
 450                  * PR: usb/80487
 451                  */
 452                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "MUSIC DISK",
 453                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 454         },
 455         {
 456                 /*
 457                  * SanDisk Micro Cruzer 128MB
 458                  * PR: usb/75970
 459                  */
 460                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "SanDisk" , "Micro Cruzer",
 461                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 462         },
 463         {
 464                 /*
 465                  * TOSHIBA TransMemory USB sticks
 466                  * PR: kern/94660
 467                  */
 468                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "TOSHIBA", "TransMemory",
 469                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 470         },
 471         {
 472                 /*
 473                  * PNY USB Flash keys
 474                  * PR: usb/75578, usb/72344, usb/65436
 475                  */
 476                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "*" , "USB DISK*",
 477                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 478         },
 479         {
 480                 /*
 481                  * Genesys 6-in-1 Card Reader
 482                  * PR: usb/94647
 483                  */
 484                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "STORAGE DEVICE*",
 485                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 486         },
 487         {
 488                 /*
 489                  * Rekam Digital CAMERA
 490                  * PR: usb/98713
 491                  */
 492                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "CAMERA*", "4MP-9J6*",
 493                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 494         },
 495         {
 496                 /*
 497                  * iRiver H10 MP3 player
 498                  * PR: usb/102547
 499                  */
 500                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "iriver", "H10*",
 501                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 502         },
 503         {
 504                 /*
 505                  * iRiver U10 MP3 player
 506                  * PR: usb/92306
 507                  */
 508                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "iriver", "U10*",
 509                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 510         },
 511         {
 512                 /*
 513                  * X-Micro Flash Disk
 514                  * PR: usb/96901
 515                  */
 516                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "X-Micro", "Flash Disk",
 517                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 518         },
 519         {
 520                 /*
 521                  * EasyMP3 EM732X USB 2.0 Flash MP3 Player
 522                  * PR: usb/96546
 523                  */
 524                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "EM732X", "MP3 Player*",
 525                 "1.00"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 526         },
 527         {
 528                 /*
 529                  * Denver MP3 player
 530                  * PR: usb/107101
 531                  */
 532                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "DENVER", "MP3 PLAYER",
 533                  "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 534         },
 535         {
 536                 /*
 537                  * Philips USB Key Audio KEY013
 538                  * PR: usb/68412
 539                  */
 540                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "PHILIPS", "Key*", "*"},
 541                 /*quirks*/ DA_Q_NO_SYNC_CACHE | DA_Q_NO_PREVENT
 542         },
 543         {
 544                 /*
 545                  * JNC MP3 Player
 546                  * PR: usb/94439
 547                  */
 548                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "JNC*" , "MP3 Player*",
 549                  "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 550         },
 551         {
 552                 /*
 553                  * SAMSUNG MP0402H
 554                  * PR: usb/108427
 555                  */
 556                 {T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "MP0402H", "*"},
 557                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 558         },
 559         {
 560                 /*
 561                  * I/O Magic USB flash - Giga Bank
 562                  * PR: usb/108810
 563                  */
 564                 {T_DIRECT, SIP_MEDIA_FIXED, "GS-Magic", "stor*", "*"},
 565                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 566         },
 567         {
 568                 /*
 569                  * JoyFly 128mb USB Flash Drive
 570                  * PR: 96133
 571                  */
 572                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "USB 2.0", "Flash Disk*",
 573                  "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 574         },
 575         {
 576                 /*
 577                  * ChipsBnk usb stick
 578                  * PR: 103702
 579                  */
 580                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "ChipsBnk", "USB*",
 581                  "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 582         },
 583         {
 584                 /*
 585                  * Storcase (Kingston) InfoStation IFS FC2/SATA-R 201A
 586                  * PR: 129858
 587                  */
 588                 {T_DIRECT, SIP_MEDIA_FIXED, "IFS", "FC2/SATA-R*",
 589                  "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 590         },
 591         {
 592                 /*
 593                  * Samsung YP-U3 mp3-player
 594                  * PR: 125398
 595                  */
 596                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Samsung", "YP-U3",
 597                  "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 598         },
 599         {
 600                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Netac", "OnlyDisk*",
 601                  "2000"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 602         },
 603         {
 604                 /*
 605                  * Sony Cyber-Shot DSC cameras
 606                  * PR: usb/137035
 607                  */
 608                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Sony", "Sony DSC", "*"},
 609                 /*quirks*/ DA_Q_NO_SYNC_CACHE | DA_Q_NO_PREVENT
 610         },
 611         {
 612                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Kingston", "DataTraveler G3",
 613                  "1.00"}, /*quirks*/ DA_Q_NO_PREVENT
 614         },
 615         /* ATA/SATA devices over SAS/USB/... */
 616         {
 617                 /* Hitachi Advanced Format (4k) drives */
 618                 { T_DIRECT, SIP_MEDIA_FIXED, "Hitachi", "H??????????E3*", "*" },
 619                 /*quirks*/DA_Q_4K
 620         },
 621         {
 622                 /* Samsung Advanced Format (4k) drives */
 623                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SAMSUNG HD155UI*", "*" },
 624                 /*quirks*/DA_Q_4K
 625         },
 626         {
 627                 /* Samsung Advanced Format (4k) drives */
 628                 { T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "HD155UI*", "*" },
 629                 /*quirks*/DA_Q_4K
 630         },
 631         {
 632                 /* Samsung Advanced Format (4k) drives */
 633                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SAMSUNG HD204UI*", "*" },
 634                 /*quirks*/DA_Q_4K
 635         },
 636         {
 637                 /* Samsung Advanced Format (4k) drives */
 638                 { T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "HD204UI*", "*" },
 639                 /*quirks*/DA_Q_4K
 640         },
 641         {
 642                 /* Seagate Barracuda Green Advanced Format (4k) drives */
 643                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST????DL*", "*" },
 644                 /*quirks*/DA_Q_4K
 645         },
 646         {
 647                 /* Seagate Barracuda Green Advanced Format (4k) drives */
 648                 { T_DIRECT, SIP_MEDIA_FIXED, "ST????DL", "*", "*" },
 649                 /*quirks*/DA_Q_4K
 650         },
 651         {
 652                 /* Seagate Barracuda Green Advanced Format (4k) drives */
 653                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST???DM*", "*" },
 654                 /*quirks*/DA_Q_4K
 655         },
 656         {
 657                 /* Seagate Barracuda Green Advanced Format (4k) drives */
 658                 { T_DIRECT, SIP_MEDIA_FIXED, "ST???DM*", "*", "*" },
 659                 /*quirks*/DA_Q_4K
 660         },
 661         {
 662                 /* Seagate Barracuda Green Advanced Format (4k) drives */
 663                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST????DM*", "*" },
 664                 /*quirks*/DA_Q_4K
 665         },
 666         {
 667                 /* Seagate Barracuda Green Advanced Format (4k) drives */
 668                 { T_DIRECT, SIP_MEDIA_FIXED, "ST????DM", "*", "*" },
 669                 /*quirks*/DA_Q_4K
 670         },
 671         {
 672                 /* Seagate Momentus Advanced Format (4k) drives */
 673                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9500423AS*", "*" },
 674                 /*quirks*/DA_Q_4K
 675         },
 676         {
 677                 /* Seagate Momentus Advanced Format (4k) drives */
 678                 { T_DIRECT, SIP_MEDIA_FIXED, "ST950042", "3AS*", "*" },
 679                 /*quirks*/DA_Q_4K
 680         },
 681         {
 682                 /* Seagate Momentus Advanced Format (4k) drives */
 683                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9500424AS*", "*" },
 684                 /*quirks*/DA_Q_4K
 685         },
 686         {
 687                 /* Seagate Momentus Advanced Format (4k) drives */
 688                 { T_DIRECT, SIP_MEDIA_FIXED, "ST950042", "4AS*", "*" },
 689                 /*quirks*/DA_Q_4K
 690         },
 691         {
 692                 /* Seagate Momentus Advanced Format (4k) drives */
 693                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9640423AS*", "*" },
 694                 /*quirks*/DA_Q_4K
 695         },
 696         {
 697                 /* Seagate Momentus Advanced Format (4k) drives */
 698                 { T_DIRECT, SIP_MEDIA_FIXED, "ST964042", "3AS*", "*" },
 699                 /*quirks*/DA_Q_4K
 700         },
 701         {
 702                 /* Seagate Momentus Advanced Format (4k) drives */
 703                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9640424AS*", "*" },
 704                 /*quirks*/DA_Q_4K
 705         },
 706         {
 707                 /* Seagate Momentus Advanced Format (4k) drives */
 708                 { T_DIRECT, SIP_MEDIA_FIXED, "ST964042", "4AS*", "*" },
 709                 /*quirks*/DA_Q_4K
 710         },
 711         {
 712                 /* Seagate Momentus Advanced Format (4k) drives */
 713                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9750420AS*", "*" },
 714                 /*quirks*/DA_Q_4K
 715         },
 716         {
 717                 /* Seagate Momentus Advanced Format (4k) drives */
 718                 { T_DIRECT, SIP_MEDIA_FIXED, "ST975042", "0AS*", "*" },
 719                 /*quirks*/DA_Q_4K
 720         },
 721         {
 722                 /* Seagate Momentus Advanced Format (4k) drives */
 723                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9750422AS*", "*" },
 724                 /*quirks*/DA_Q_4K
 725         },
 726         {
 727                 /* Seagate Momentus Advanced Format (4k) drives */
 728                 { T_DIRECT, SIP_MEDIA_FIXED, "ST975042", "2AS*", "*" },
 729                 /*quirks*/DA_Q_4K
 730         },
 731         {
 732                 /* Seagate Momentus Advanced Format (4k) drives */
 733                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9750423AS*", "*" },
 734                 /*quirks*/DA_Q_4K
 735         },
 736         {
 737                 /* Seagate Momentus Advanced Format (4k) drives */
 738                 { T_DIRECT, SIP_MEDIA_FIXED, "ST975042", "3AS*", "*" },
 739                 /*quirks*/DA_Q_4K
 740         },
 741         {
 742                 /* Seagate Momentus Thin Advanced Format (4k) drives */
 743                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST???LT*", "*" },
 744                 /*quirks*/DA_Q_4K
 745         },
 746         {
 747                 /* Seagate Momentus Thin Advanced Format (4k) drives */
 748                 { T_DIRECT, SIP_MEDIA_FIXED, "ST???LT*", "*", "*" },
 749                 /*quirks*/DA_Q_4K
 750         },
 751         {
 752                 /* WDC Caviar Green Advanced Format (4k) drives */
 753                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD????RS*", "*" },
 754                 /*quirks*/DA_Q_4K
 755         },
 756         {
 757                 /* WDC Caviar Green Advanced Format (4k) drives */
 758                 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "??RS*", "*" },
 759                 /*quirks*/DA_Q_4K
 760         },
 761         {
 762                 /* WDC Caviar Green Advanced Format (4k) drives */
 763                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD????RX*", "*" },
 764                 /*quirks*/DA_Q_4K
 765         },
 766         {
 767                 /* WDC Caviar Green Advanced Format (4k) drives */
 768                 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "??RX*", "*" },
 769                 /*quirks*/DA_Q_4K
 770         },
 771         {
 772                 /* WDC Caviar Green Advanced Format (4k) drives */
 773                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD??????RS*", "*" },
 774                 /*quirks*/DA_Q_4K
 775         },
 776         {
 777                 /* WDC Caviar Green Advanced Format (4k) drives */
 778                 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "????RS*", "*" },
 779                 /*quirks*/DA_Q_4K
 780         },
 781         {
 782                 /* WDC Caviar Green Advanced Format (4k) drives */
 783                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD??????RX*", "*" },
 784                 /*quirks*/DA_Q_4K
 785         },
 786         {
 787                 /* WDC Caviar Green Advanced Format (4k) drives */
 788                 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "????RX*", "*" },
 789                 /*quirks*/DA_Q_4K
 790         },
 791         {
 792                 /* WDC Scorpio Black Advanced Format (4k) drives */
 793                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD???PKT*", "*" },
 794                 /*quirks*/DA_Q_4K
 795         },
 796         {
 797                 /* WDC Scorpio Black Advanced Format (4k) drives */
 798                 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "?PKT*", "*" },
 799                 /*quirks*/DA_Q_4K
 800         },
 801         {
 802                 /* WDC Scorpio Black Advanced Format (4k) drives */
 803                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD?????PKT*", "*" },
 804                 /*quirks*/DA_Q_4K
 805         },
 806         {
 807                 /* WDC Scorpio Black Advanced Format (4k) drives */
 808                 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "???PKT*", "*" },
 809                 /*quirks*/DA_Q_4K
 810         },
 811         {
 812                 /* WDC Scorpio Blue Advanced Format (4k) drives */
 813                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD???PVT*", "*" },
 814                 /*quirks*/DA_Q_4K
 815         },
 816         {
 817                 /* WDC Scorpio Blue Advanced Format (4k) drives */
 818                 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "?PVT*", "*" },
 819                 /*quirks*/DA_Q_4K
 820         },
 821         {
 822                 /* WDC Scorpio Blue Advanced Format (4k) drives */
 823                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD?????PVT*", "*" },
 824                 /*quirks*/DA_Q_4K
 825         },
 826         {
 827                 /* WDC Scorpio Blue Advanced Format (4k) drives */
 828                 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "???PVT*", "*" },
 829                 /*quirks*/DA_Q_4K
 830         },
 831         {
 832                 /*
 833                  * Olympus FE-210 camera
 834                  */
 835                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "OLYMPUS", "FE210*",
 836                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 837         },
 838         {
 839                 /*
 840                  * LG UP3S MP3 player
 841                  */
 842                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "LG", "UP3S",
 843                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 844         },
 845         {
 846                 /*
 847                  * Laser MP3-2GA13 MP3 player
 848                  */
 849                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "USB 2.0", "(HS) Flash Disk",
 850                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 851         },
 852         {
 853                 /*
 854                  * LaCie external 250GB Hard drive des by Porsche
 855                  * Submitted by: Ben Stuyts <ben@altesco.nl>
 856                  * PR: 121474
 857                  */
 858                 {T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "HM250JI", "*"},
 859                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 860         },
 861 };
 862
 863 static  disk_strategy_t dastrategy;
 864 static  dumper_t        dadump;
 865 static  periph_init_t   dainit;
 866 static  void            daasync(void *callback_arg, u_int32_t code,
 867                                 struct cam_path *path, void *arg);
 868 static  void            dasysctlinit(void *context, int pending);
 869 static  int             dacmdsizesysctl(SYSCTL_HANDLER_ARGS);
 870 static  int             dadeletemethodsysctl(SYSCTL_HANDLER_ARGS);
 871 static  int             dadeletemethodset(struct da_softc *softc,
 872                                           da_delete_methods delete_method);
 873 static  periph_ctor_t   daregister;
 874 static  periph_dtor_t   dacleanup;
 875 static  periph_start_t  dastart;
 876 static  periph_oninv_t  daoninvalidate;
 877 static  void            dadone(struct cam_periph *periph,
 878                                union ccb *done_ccb);
 879 static  int             daerror(union ccb *ccb, u_int32_t cam_flags,
 880                                 u_int32_t sense_flags);
 881 static void             daprevent(struct cam_periph *periph, int action);
 882 static void             dareprobe(struct cam_periph *periph);
 883 static void             dasetgeom(struct cam_periph *periph, uint32_t block_len,
 884                                   uint64_t maxsector,
 885                                   struct scsi_read_capacity_data_long *rcaplong,
 886                                   size_t rcap_size);
 887 static timeout_t        dasendorderedtag;
 888 static void             dashutdown(void *arg, int howto);
 889 static timeout_t        damediapoll;
 890
 891 #ifndef DA_DEFAULT_POLL_PERIOD
 892 #define DA_DEFAULT_POLL_PERIOD  3
 893 #endif
 894
 895 #ifndef DA_DEFAULT_TIMEOUT
 896 #define DA_DEFAULT_TIMEOUT 60   /* Timeout in seconds */
 897 #endif
 898
 899 #ifndef DA_DEFAULT_RETRY
 900 #define DA_DEFAULT_RETRY        4
 901 #endif
 902
 903 #ifndef DA_DEFAULT_SEND_ORDERED
 904 #define DA_DEFAULT_SEND_ORDERED 1
 905 #endif
 906
 907 #define DA_SIO (softc->sort_io_queue >= 0 ? \
 908     softc->sort_io_queue : cam_sort_io_queues)
 909
 910 static int da_poll_period = DA_DEFAULT_POLL_PERIOD;
 911 static int da_retry_count = DA_DEFAULT_RETRY;
 912 static int da_default_timeout = DA_DEFAULT_TIMEOUT;
 913 static int da_send_ordered = DA_DEFAULT_SEND_ORDERED;
 914
 915 static SYSCTL_NODE(_kern_cam, OID_AUTO, da, CTLFLAG_RD, 0,
 916             "CAM Direct Access Disk driver");
 917 SYSCTL_INT(_kern_cam_da, OID_AUTO, poll_period, CTLFLAG_RW,
 918            &da_poll_period, 0, "Media polling period in seconds");
 919 TUNABLE_INT("kern.cam.da.poll_period", &da_poll_period);
 920 SYSCTL_INT(_kern_cam_da, OID_AUTO, retry_count, CTLFLAG_RW,
 921            &da_retry_count, 0, "Normal I/O retry count");
 922 TUNABLE_INT("kern.cam.da.retry_count", &da_retry_count);
 923 SYSCTL_INT(_kern_cam_da, OID_AUTO, default_timeout, CTLFLAG_RW,
 924            &da_default_timeout, 0, "Normal I/O timeout (in seconds)");
 925 TUNABLE_INT("kern.cam.da.default_timeout", &da_default_timeout);
 926 SYSCTL_INT(_kern_cam_da, OID_AUTO, send_ordered, CTLFLAG_RW,
 927            &da_send_ordered, 0, "Send Ordered Tags");
 928 TUNABLE_INT("kern.cam.da.send_ordered", &da_send_ordered);
 929
 930 /*
 931  * DA_ORDEREDTAG_INTERVAL determines how often, relative
 932  * to the default timeout, we check to see whether an ordered
 933  * tagged transaction is appropriate to prevent simple tag
 934  * starvation.  Since we'd like to ensure that there is at least
 935  * 1/2 of the timeout length left for a starved transaction to
 936  * complete after we've sent an ordered tag, we must poll at least
 937  * four times in every timeout period.  This takes care of the worst
 938  * case where a starved transaction starts during an interval that
 939  * meets the requirement "don't send an ordered tag" test so it takes
 940  * us two intervals to determine that a tag must be sent.
 941  */
 942 #ifndef DA_ORDEREDTAG_INTERVAL
 943 #define DA_ORDEREDTAG_INTERVAL 4
 944 #endif
 945
 946 static struct periph_driver dadriver =
 947 {
 948         dainit, "da",
 949         TAILQ_HEAD_INITIALIZER(dadriver.units), /* generation */ 0
 950 };
 951
 952 PERIPHDRIVER_DECLARE(da, dadriver);
 953
 954 static MALLOC_DEFINE(M_SCSIDA, "scsi_da", "scsi_da buffers");
 955
 956 static int
 957 daopen(struct disk *dp)
 958 {
 959         struct cam_periph *periph;
 960         struct da_softc *softc;
 961         int unit;
 962         int error;
 963
 964         periph = (struct cam_periph *)dp->d_drv1;
 965         if (cam_periph_acquire(periph) != CAM_REQ_CMP) {
 966                 return (ENXIO);
 967         }
 968
 969         cam_periph_lock(periph);
 970         if ((error = cam_periph_hold(periph, PRIBIO|PCATCH)) != 0) {
 971                 cam_periph_unlock(periph);
 972                 cam_periph_release(periph);
 973                 return (error);
 974         }
 975
 976         unit = periph->unit_number;
 977         softc = (struct da_softc *)periph->softc;
 978         softc->flags |= DA_FLAG_OPEN;
 979
 980         CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH,
 981             ("daopen\n"));
 982
 983         if ((softc->flags & DA_FLAG_PACK_INVALID) != 0) {
 984                 /* Invalidate our pack information. */
 985                 softc->flags &= ~DA_FLAG_PACK_INVALID;
 986         }
 987
 988         dareprobe(periph);
 989
 990         /* Wait for the disk size update.  */
 991         error = cam_periph_sleep(periph, &softc->disk->d_mediasize, PRIBIO,
 992             "dareprobe", 0);
 993         if (error != 0)
 994                 xpt_print(periph->path, "unable to retrieve capacity data");
 995
 996         if (periph->flags & CAM_PERIPH_INVALID ||
 997             softc->disk->d_sectorsize == 0 ||
 998             softc->disk->d_mediasize == 0)
 999                 error = ENXIO;
1000
1001         if (error == 0 && (softc->flags & DA_FLAG_PACK_REMOVABLE) != 0 &&
1002             (softc->quirks & DA_Q_NO_PREVENT) == 0)
1003                 daprevent(periph, PR_PREVENT);
1004
1005         if (error == 0)
1006                 softc->flags |= DA_FLAG_SAW_MEDIA;
1007
1008         cam_periph_unhold(periph);
1009         cam_periph_unlock(periph);
1010
1011         if (error != 0) {
1012                 softc->flags &= ~DA_FLAG_OPEN;
1013                 cam_periph_release(periph);
1014         }
1015
1016         return (error);
1017 }
1018
1019 static int
1020 daclose(struct disk *dp)
1021 {
1022         struct  cam_periph *periph;
1023         struct  da_softc *softc;
1024
1025         periph = (struct cam_periph *)dp->d_drv1;
1026         cam_periph_lock(periph);
1027         if (cam_periph_hold(periph, PRIBIO) != 0) {
1028                 cam_periph_unlock(periph);
1029                 cam_periph_release(periph);
1030                 return (0);
1031         }
1032
1033         softc = (struct da_softc *)periph->softc;
1034
1035         CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH,
1036             ("daclose\n"));
1037
1038         if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0
1039          && (softc->flags & DA_FLAG_PACK_INVALID) == 0) {
1040                 union   ccb *ccb;
1041
1042                 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
1043
1044                 scsi_synchronize_cache(&ccb->csio,
1045                                        /*retries*/1,
1046                                        /*cbfcnp*/dadone,
1047                                        MSG_SIMPLE_Q_TAG,
1048                                        /*begin_lba*/0,/* Cover the whole disk */
1049                                        /*lb_count*/0,
1050                                        SSD_FULL_SIZE,
1051                                        5 * 60 * 1000);
1052
1053                 cam_periph_runccb(ccb, daerror, /*cam_flags*/0,
1054                                   /*sense_flags*/SF_RETRY_UA | SF_QUIET_IR,
1055                                   softc->disk->d_devstat);
1056                 xpt_release_ccb(ccb);
1057
1058         }
1059
1060         if ((softc->flags & DA_FLAG_PACK_REMOVABLE) != 0) {
1061                 if ((softc->quirks & DA_Q_NO_PREVENT) == 0)
1062                         daprevent(periph, PR_ALLOW);
1063                 /*
1064                  * If we've got removeable media, mark the blocksize as
1065                  * unavailable, since it could change when new media is
1066                  * inserted.
1067                  */
1068                 softc->disk->d_devstat->flags |= DEVSTAT_BS_UNAVAILABLE;
1069         }
1070
1071         softc->flags &= ~DA_FLAG_OPEN;
1072         cam_periph_unhold(periph);
1073         cam_periph_unlock(periph);
1074         cam_periph_release(periph);
1075         return (0);
1076 }
1077
1078 static void
1079 daschedule(struct cam_periph *periph)
1080 {
1081         struct da_softc *softc = (struct da_softc *)periph->softc;
1082         uint32_t prio;
1083
1084         if (softc->state != DA_STATE_NORMAL)
1085                 return;
1086
1087         /* Check if cam_periph_getccb() was called. */
1088         prio = periph->immediate_priority;
1089
1090         /* Check if we have more work to do. */
1091         if (bioq_first(&softc->bio_queue) ||
1092             (!softc->delete_running && bioq_first(&softc->delete_queue)) ||
1093             softc->tur) {
1094                 prio = CAM_PRIORITY_NORMAL;
1095         }
1096
1097         /* Schedule CCB if any of above is true. */
1098         if (prio != CAM_PRIORITY_NONE)
1099                 xpt_schedule(periph, prio);
1100 }
1101
1102 /*
1103  * Actually translate the requested transfer into one the physical driver
1104  * can understand.  The transfer is described by a buf and will include
1105  * only one physical transfer.
1106  */
1107 static void
1108 dastrategy(struct bio *bp)
1109 {
1110         struct cam_periph *periph;
1111         struct da_softc *softc;
1112
1113         periph = (struct cam_periph *)bp->bio_disk->d_drv1;
1114         softc = (struct da_softc *)periph->softc;
1115
1116         cam_periph_lock(periph);
1117
1118         /*
1119          * If the device has been made invalid, error out
1120          */
1121         if ((softc->flags & DA_FLAG_PACK_INVALID)) {
1122                 cam_periph_unlock(periph);
1123                 biofinish(bp, NULL, ENXIO);
1124                 return;
1125         }
1126
1127         CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dastrategy(%p)\n", bp));
1128
1129         /*
1130          * Place it in the queue of disk activities for this disk
1131          */
1132         if (bp->bio_cmd == BIO_DELETE) {
1133                 if (bp->bio_bcount == 0)
1134                         biodone(bp);
1135                 else if (DA_SIO)
1136                         bioq_disksort(&softc->delete_queue, bp);
1137                 else
1138                         bioq_insert_tail(&softc->delete_queue, bp);
1139         } else if (DA_SIO) {
1140                 bioq_disksort(&softc->bio_queue, bp);
1141         } else {
1142                 bioq_insert_tail(&softc->bio_queue, bp);
1143         }
1144
1145         /*
1146          * Schedule ourselves for performing the work.
1147          */
1148         daschedule(periph);
1149         cam_periph_unlock(periph);
1150
1151         return;
1152 }
1153
1154 static int
1155 dadump(void *arg, void *virtual, vm_offset_t physical, off_t offset, size_t length)
1156 {
1157         struct      cam_periph *periph;
1158         struct      da_softc *softc;
1159         u_int       secsize;
1160         struct      ccb_scsiio csio;
1161         struct      disk *dp;
1162         int         error = 0;
1163
1164         dp = arg;
1165         periph = dp->d_drv1;
1166         softc = (struct da_softc *)periph->softc;
1167         cam_periph_lock(periph);
1168         secsize = softc->params.secsize;
1169
1170         if ((softc->flags & DA_FLAG_PACK_INVALID) != 0) {
1171                 cam_periph_unlock(periph);
1172                 return (ENXIO);
1173         }
1174
1175         if (length > 0) {
1176                 xpt_setup_ccb(&csio.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
1177                 csio.ccb_h.ccb_state = DA_CCB_DUMP;
1178                 scsi_read_write(&csio,
1179                                 /*retries*/0,
1180                                 dadone,
1181                                 MSG_ORDERED_Q_TAG,
1182                                 /*read*/FALSE,
1183                                 /*byte2*/0,
1184                                 /*minimum_cmd_size*/ softc->minimum_cmd_size,
1185                                 offset / secsize,
1186                                 length / secsize,
1187                                 /*data_ptr*/(u_int8_t *) virtual,
1188                                 /*dxfer_len*/length,
1189                                 /*sense_len*/SSD_FULL_SIZE,
1190                                 da_default_timeout * 1000);
1191                 xpt_polled_action((union ccb *)&csio);
1192
1193                 error = cam_periph_error((union ccb *)&csio,
1194                     0, SF_NO_RECOVERY | SF_NO_RETRY, NULL);
1195                 if ((csio.ccb_h.status & CAM_DEV_QFRZN) != 0)
1196                         cam_release_devq(csio.ccb_h.path, /*relsim_flags*/0,
1197                             /*reduction*/0, /*timeout*/0, /*getcount_only*/0);
1198                 if (error != 0)
1199                         printf("Aborting dump due to I/O error.\n");
1200                 cam_periph_unlock(periph);
1201                 return (error);
1202         }
1203
1204         /*
1205          * Sync the disk cache contents to the physical media.
1206          */
1207         if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) {
1208
1209                 xpt_setup_ccb(&csio.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
1210                 csio.ccb_h.ccb_state = DA_CCB_DUMP;
1211                 scsi_synchronize_cache(&csio,
1212                                        /*retries*/0,
1213                                        /*cbfcnp*/dadone,
1214                                        MSG_SIMPLE_Q_TAG,
1215                                        /*begin_lba*/0,/* Cover the whole disk */
1216                                        /*lb_count*/0,
1217                                        SSD_FULL_SIZE,
1218                                        5 * 60 * 1000);
1219                 xpt_polled_action((union ccb *)&csio);
1220
1221                 error = cam_periph_error((union ccb *)&csio,
1222                     0, SF_NO_RECOVERY | SF_NO_RETRY | SF_QUIET_IR, NULL);
1223                 if ((csio.ccb_h.status & CAM_DEV_QFRZN) != 0)
1224                         cam_release_devq(csio.ccb_h.path, /*relsim_flags*/0,
1225                             /*reduction*/0, /*timeout*/0, /*getcount_only*/0);
1226                 if (error != 0)
1227                         xpt_print(periph->path, "Synchronize cache failed\n");
1228         }
1229         cam_periph_unlock(periph);
1230         return (error);
1231 }
1232
1233 static int
1234 dagetattr(struct bio *bp)
1235 {
1236         int ret;
1237         struct cam_periph *periph;
1238
1239         periph = (struct cam_periph *)bp->bio_disk->d_drv1;
1240         cam_periph_lock(periph);
1241         ret = xpt_getattr(bp->bio_data, bp->bio_length, bp->bio_attribute,
1242             periph->path);
1243         cam_periph_unlock(periph);
1244         if (ret == 0)
1245                 bp->bio_completed = bp->bio_length;
1246         return ret;
1247 }
1248
1249 static void
1250 dainit(void)
1251 {
1252         cam_status status;
1253
1254         /*
1255          * Install a global async callback.  This callback will
1256          * receive async callbacks like "new device found".
1257          */
1258         status = xpt_register_async(AC_FOUND_DEVICE, daasync, NULL, NULL);
1259
1260         if (status != CAM_REQ_CMP) {
1261                 printf("da: Failed to attach master async callback "
1262                        "due to status 0x%x!\n", status);
1263         } else if (da_send_ordered) {
1264
1265                 /* Register our shutdown event handler */
1266                 if ((EVENTHANDLER_REGISTER(shutdown_post_sync, dashutdown,
1267                                            NULL, SHUTDOWN_PRI_DEFAULT)) == NULL)
1268                     printf("dainit: shutdown event registration failed!\n");
1269         }
1270 }
1271
1272 /*
1273  * Callback from GEOM, called when it has finished cleaning up its
1274  * resources.
1275  */
1276 static void
1277 dadiskgonecb(struct disk *dp)
1278 {
1279         struct cam_periph *periph;
1280
1281         periph = (struct cam_periph *)dp->d_drv1;
1282         cam_periph_release(periph);
1283 }
1284
1285 static void
1286 daoninvalidate(struct cam_periph *periph)
1287 {
1288         struct da_softc *softc;
1289
1290         softc = (struct da_softc *)periph->softc;
1291
1292         /*
1293          * De-register any async callbacks.
1294          */
1295         xpt_register_async(0, daasync, periph, periph->path);
1296
1297         softc->flags |= DA_FLAG_PACK_INVALID;
1298
1299         /*
1300          * Return all queued I/O with ENXIO.
1301          * XXX Handle any transactions queued to the card
1302          *     with XPT_ABORT_CCB.
1303          */
1304         bioq_flush(&softc->bio_queue, NULL, ENXIO);
1305         bioq_flush(&softc->delete_queue, NULL, ENXIO);
1306
1307         /*
1308          * Tell GEOM that we've gone away, we'll get a callback when it is
1309          * done cleaning up its resources.
1310          */
1311         disk_gone(softc->disk);
1312
1313         xpt_print(periph->path, "lost device - %d outstanding, %d refs\n",
1314                   softc->outstanding_cmds, periph->refcount);
1315 }
1316
1317 static void
1318 dacleanup(struct cam_periph *periph)
1319 {
1320         struct da_softc *softc;
1321
1322         softc = (struct da_softc *)periph->softc;
1323
1324         xpt_print(periph->path, "removing device entry\n");
1325         cam_periph_unlock(periph);
1326
1327         /*
1328          * If we can't free the sysctl tree, oh well...
1329          */
1330         if ((softc->flags & DA_FLAG_SCTX_INIT) != 0
1331             && sysctl_ctx_free(&softc->sysctl_ctx) != 0) {
1332                 xpt_print(periph->path, "can't remove sysctl context\n");
1333         }
1334
1335         callout_drain(&softc->mediapoll_c);
1336         disk_destroy(softc->disk);
1337         callout_drain(&softc->sendordered_c);
1338         free(softc, M_DEVBUF);
1339         cam_periph_lock(periph);
1340 }
1341
1342 static void
1343 daasync(void *callback_arg, u_int32_t code,
1344         struct cam_path *path, void *arg)
1345 {
1346         struct cam_periph *periph;
1347         struct da_softc *softc;
1348
1349         periph = (struct cam_periph *)callback_arg;
1350         switch (code) {
1351         case AC_FOUND_DEVICE:
1352         {
1353                 struct ccb_getdev *cgd;
1354                 cam_status status;
1355
1356                 cgd = (struct ccb_getdev *)arg;
1357                 if (cgd == NULL)
1358                         break;
1359
1360                 if (cgd->protocol != PROTO_SCSI)
1361                         break;
1362
1363                 if (SID_TYPE(&cgd->inq_data) != T_DIRECT
1364                     && SID_TYPE(&cgd->inq_data) != T_RBC
1365                     && SID_TYPE(&cgd->inq_data) != T_OPTICAL)
1366                         break;
1367
1368                 /*
1369                  * Allocate a peripheral instance for
1370                  * this device and start the probe
1371                  * process.
1372                  */
1373                 status = cam_periph_alloc(daregister, daoninvalidate,
1374                                           dacleanup, dastart,
1375                                           "da", CAM_PERIPH_BIO,
1376                                           cgd->ccb_h.path, daasync,
1377                                           AC_FOUND_DEVICE, cgd);
1378
1379                 if (status != CAM_REQ_CMP
1380                  && status != CAM_REQ_INPROG)
1381                         printf("daasync: Unable to attach to new device "
1382                                 "due to status 0x%x\n", status);
1383                 return;
1384         }
1385         case AC_ADVINFO_CHANGED:
1386         {
1387                 uintptr_t buftype;
1388
1389                 buftype = (uintptr_t)arg;
1390                 if (buftype == CDAI_TYPE_PHYS_PATH) {
1391                         struct da_softc *softc;
1392
1393                         softc = periph->softc;
1394                         disk_attr_changed(softc->disk, "GEOM::physpath",
1395                                           M_NOWAIT);
1396                 }
1397                 break;
1398         }
1399         case AC_UNIT_ATTENTION:
1400         {
1401                 union ccb *ccb;
1402                 int error_code, sense_key, asc, ascq;
1403
1404                 softc = (struct da_softc *)periph->softc;
1405                 ccb = (union ccb *)arg;
1406
1407                 /*
1408                  * Handle all UNIT ATTENTIONs except our own,
1409                  * as they will be handled by daerror().
1410                  */
1411                 if (xpt_path_periph(ccb->ccb_h.path) != periph &&
1412                     scsi_extract_sense_ccb(ccb,
1413                      &error_code, &sense_key, &asc, &ascq)) {
1414                         if (asc == 0x2A && ascq == 0x09) {
1415                                 xpt_print(ccb->ccb_h.path,
1416                                     "capacity data has changed\n");
1417                                 dareprobe(periph);
1418                         } else if (asc == 0x28 && ascq == 0x00)
1419                                 disk_media_changed(softc->disk, M_NOWAIT);
1420                 }
1421                 cam_periph_async(periph, code, path, arg);
1422                 break;
1423         }
1424         case AC_SCSI_AEN:
1425                 softc = (struct da_softc *)periph->softc;
1426                 if (!softc->tur) {
1427                         if (cam_periph_acquire(periph) == CAM_REQ_CMP) {
1428                                 softc->tur = 1;
1429                                 daschedule(periph);
1430                         }
1431                 }
1432                 /* FALLTHROUGH */
1433         case AC_SENT_BDR:
1434         case AC_BUS_RESET:
1435         {
1436                 struct ccb_hdr *ccbh;
1437
1438                 softc = (struct da_softc *)periph->softc;
1439                 /*
1440                  * Don't fail on the expected unit attention
1441                  * that will occur.
1442                  */
1443                 softc->flags |= DA_FLAG_RETRY_UA;
1444                 LIST_FOREACH(ccbh, &softc->pending_ccbs, periph_links.le)
1445                         ccbh->ccb_state |= DA_CCB_RETRY_UA;
1446                 break;
1447         }
1448         default:
1449                 break;
1450         }
1451         cam_periph_async(periph, code, path, arg);
1452 }
1453
1454 static void
1455 dasysctlinit(void *context, int pending)
1456 {
1457         struct cam_periph *periph;
1458         struct da_softc *softc;
1459         char tmpstr[80], tmpstr2[80];
1460         struct ccb_trans_settings cts;
1461
1462         periph = (struct cam_periph *)context;
1463         /*
1464          * periph was held for us when this task was enqueued
1465          */
1466         if (periph->flags & CAM_PERIPH_INVALID) {
1467                 cam_periph_release(periph);
1468                 return;
1469         }
1470
1471         softc = (struct da_softc *)periph->softc;
1472         snprintf(tmpstr, sizeof(tmpstr), "CAM DA unit %d", periph->unit_number);
1473         snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number);
1474
1475         sysctl_ctx_init(&softc->sysctl_ctx);
1476         softc->flags |= DA_FLAG_SCTX_INIT;
1477         softc->sysctl_tree = SYSCTL_ADD_NODE(&softc->sysctl_ctx,
1478                 SYSCTL_STATIC_CHILDREN(_kern_cam_da), OID_AUTO, tmpstr2,
1479                 CTLFLAG_RD, 0, tmpstr);
1480         if (softc->sysctl_tree == NULL) {
1481                 printf("dasysctlinit: unable to allocate sysctl tree\n");
1482                 cam_periph_release(periph);
1483                 return;
1484         }
1485
1486         /*
1487          * Now register the sysctl handler, so the user can change the value on
1488          * the fly.
1489          */
1490         SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1491                 OID_AUTO, "delete_method", CTLTYPE_STRING | CTLFLAG_RW,
1492                 softc, 0, dadeletemethodsysctl, "A",
1493                 "BIO_DELETE execution method");
1494         SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1495                 OID_AUTO, "minimum_cmd_size", CTLTYPE_INT | CTLFLAG_RW,
1496                 &softc->minimum_cmd_size, 0, dacmdsizesysctl, "I",
1497                 "Minimum CDB size");
1498         SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1499                 OID_AUTO, "sort_io_queue", CTLFLAG_RW, &softc->sort_io_queue, 0,
1500                 "Sort IO queue to try and optimise disk access patterns");
1501
1502         SYSCTL_ADD_INT(&softc->sysctl_ctx,
1503                        SYSCTL_CHILDREN(softc->sysctl_tree),
1504                        OID_AUTO,
1505                        "error_inject",
1506                        CTLFLAG_RW,
1507                        &softc->error_inject,
1508                        0,
1509                        "error_inject leaf");
1510
1511
1512         /*
1513          * Add some addressing info.
1514          */
1515         memset(&cts, 0, sizeof (cts));
1516         xpt_setup_ccb(&cts.ccb_h, periph->path, CAM_PRIORITY_NONE);
1517         cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS;
1518         cts.type = CTS_TYPE_CURRENT_SETTINGS;
1519         cam_periph_lock(periph);
1520         xpt_action((union ccb *)&cts);
1521         cam_periph_unlock(periph);
1522         if (cts.ccb_h.status != CAM_REQ_CMP) {
1523                 cam_periph_release(periph);
1524                 return;
1525         }
1526         if (cts.protocol == PROTO_SCSI && cts.transport == XPORT_FC) {
1527                 struct ccb_trans_settings_fc *fc = &cts.xport_specific.fc;
1528                 if (fc->valid & CTS_FC_VALID_WWPN) {
1529                         softc->wwpn = fc->wwpn;
1530                         SYSCTL_ADD_UQUAD(&softc->sysctl_ctx,
1531                             SYSCTL_CHILDREN(softc->sysctl_tree),
1532                             OID_AUTO, "wwpn", CTLFLAG_RD,
1533                             &softc->wwpn, "World Wide Port Name");
1534                 }
1535         }
1536         cam_periph_release(periph);
1537 }
1538
1539 static int
1540 dacmdsizesysctl(SYSCTL_HANDLER_ARGS)
1541 {
1542         int error, value;
1543
1544         value = *(int *)arg1;
1545
1546         error = sysctl_handle_int(oidp, &value, 0, req);
1547
1548         if ((error != 0)
1549          || (req->newptr == NULL))
1550                 return (error);
1551
1552         /*
1553          * Acceptable values here are 6, 10, 12 or 16.
1554          */
1555         if (value < 6)
1556                 value = 6;
1557         else if ((value > 6)
1558               && (value <= 10))
1559                 value = 10;
1560         else if ((value > 10)
1561               && (value <= 12))
1562                 value = 12;
1563         else if (value > 12)
1564                 value = 16;
1565
1566         *(int *)arg1 = value;
1567
1568         return (0);
1569 }
1570
1571 static int
1572 dadeletemethodset(struct da_softc *softc, da_delete_methods delete_method)
1573 {
1574
1575         if (delete_method < 0 || delete_method > DA_DELETE_MAX)
1576                 return (EINVAL);
1577
1578         softc->delete_method = delete_method;
1579
1580         if (softc->delete_method > DA_DELETE_DISABLE)
1581                 softc->disk->d_flags |= DISKFLAG_CANDELETE;
1582         else
1583                 softc->disk->d_flags &= ~DISKFLAG_CANDELETE;
1584
1585         return (0);
1586 }
1587
1588 static int
1589 dadeletemethodsysctl(SYSCTL_HANDLER_ARGS)
1590 {
1591         char buf[16];
1592         const char *p;
1593         struct da_softc *softc;
1594         int i, error, value;
1595
1596         softc = (struct da_softc *)arg1;
1597
1598         value = softc->delete_method;
1599         if (value < 0 || value > DA_DELETE_MAX)
1600                 p = "UNKNOWN";
1601         else
1602                 p = da_delete_method_names[value];
1603         strncpy(buf, p, sizeof(buf));
1604         error = sysctl_handle_string(oidp, buf, sizeof(buf), req);
1605         if (error != 0 || req->newptr == NULL)
1606                 return (error);
1607         for (i = 0; i <= DA_DELETE_MAX; i++) {
1608                 if (strcmp(buf, da_delete_method_names[i]) != 0)
1609                         continue;
1610                 return dadeletemethodset(softc, i);
1611         }
1612         return (EINVAL);
1613 }
1614
1615 static cam_status
1616 daregister(struct cam_periph *periph, void *arg)
1617 {
1618         struct da_softc *softc;
1619         struct ccb_pathinq cpi;
1620         struct ccb_getdev *cgd;
1621         char tmpstr[80];
1622         caddr_t match;
1623
1624         cgd = (struct ccb_getdev *)arg;
1625         if (cgd == NULL) {
1626                 printf("daregister: no getdev CCB, can't register device\n");
1627                 return(CAM_REQ_CMP_ERR);
1628         }
1629
1630         softc = (struct da_softc *)malloc(sizeof(*softc), M_DEVBUF,
1631             M_NOWAIT|M_ZERO);
1632
1633         if (softc == NULL) {
1634                 printf("daregister: Unable to probe new device. "
1635                        "Unable to allocate softc\n");
1636                 return(CAM_REQ_CMP_ERR);
1637         }
1638
1639         LIST_INIT(&softc->pending_ccbs);
1640         softc->state = DA_STATE_PROBE;
1641         bioq_init(&softc->bio_queue);
1642         bioq_init(&softc->delete_queue);
1643         bioq_init(&softc->delete_run_queue);
1644         if (SID_IS_REMOVABLE(&cgd->inq_data))
1645                 softc->flags |= DA_FLAG_PACK_REMOVABLE;
1646         softc->unmap_max_ranges = UNMAP_MAX_RANGES;
1647         softc->unmap_max_lba = 1024*1024*2;
1648         softc->sort_io_queue = -1;
1649
1650         periph->softc = softc;
1651
1652         /*
1653          * See if this device has any quirks.
1654          */
1655         match = cam_quirkmatch((caddr_t)&cgd->inq_data,
1656                                (caddr_t)da_quirk_table,
1657                                sizeof(da_quirk_table)/sizeof(*da_quirk_table),
1658                                sizeof(*da_quirk_table), scsi_inquiry_match);
1659
1660         if (match != NULL)
1661                 softc->quirks = ((struct da_quirk_entry *)match)->quirks;
1662         else
1663                 softc->quirks = DA_Q_NONE;
1664
1665         /* Check if the SIM does not want 6 byte commands */
1666         bzero(&cpi, sizeof(cpi));
1667         xpt_setup_ccb(&cpi.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
1668         cpi.ccb_h.func_code = XPT_PATH_INQ;
1669         xpt_action((union ccb *)&cpi);
1670         if (cpi.ccb_h.status == CAM_REQ_CMP && (cpi.hba_misc & PIM_NO_6_BYTE))
1671                 softc->quirks |= DA_Q_NO_6_BYTE;
1672
1673         TASK_INIT(&softc->sysctl_task, 0, dasysctlinit, periph);
1674
1675         /*
1676          * Take an exclusive refcount on the periph while dastart is called
1677          * to finish the probe.  The reference will be dropped in dadone at
1678          * the end of probe.
1679          */
1680         (void)cam_periph_hold(periph, PRIBIO);
1681
1682         /*
1683          * Schedule a periodic event to occasionally send an
1684          * ordered tag to a device.
1685          */
1686         callout_init_mtx(&softc->sendordered_c, periph->sim->mtx, 0);
1687         callout_reset(&softc->sendordered_c,
1688             (da_default_timeout * hz) / DA_ORDEREDTAG_INTERVAL,
1689             dasendorderedtag, softc);
1690
1691         cam_periph_unlock(periph);
1692         /*
1693          * RBC devices don't have to support READ(6), only READ(10).
1694          */
1695         if (softc->quirks & DA_Q_NO_6_BYTE || SID_TYPE(&cgd->inq_data) == T_RBC)
1696                 softc->minimum_cmd_size = 10;
1697         else
1698                 softc->minimum_cmd_size = 6;
1699
1700         /*
1701          * Load the user's default, if any.
1702          */
1703         snprintf(tmpstr, sizeof(tmpstr), "kern.cam.da.%d.minimum_cmd_size",
1704                  periph->unit_number);
1705         TUNABLE_INT_FETCH(tmpstr, &softc->minimum_cmd_size);
1706
1707         /*
1708          * 6, 10, 12 and 16 are the currently permissible values.
1709          */
1710         if (softc->minimum_cmd_size < 6)
1711                 softc->minimum_cmd_size = 6;
1712         else if ((softc->minimum_cmd_size > 6)
1713               && (softc->minimum_cmd_size <= 10))
1714                 softc->minimum_cmd_size = 10;
1715         else if ((softc->minimum_cmd_size > 10)
1716               && (softc->minimum_cmd_size <= 12))
1717                 softc->minimum_cmd_size = 12;
1718         else if (softc->minimum_cmd_size > 12)
1719                 softc->minimum_cmd_size = 16;
1720
1721         /* Predict whether device may support READ CAPACITY(16). */
1722         if (SID_ANSI_REV(&cgd->inq_data) >= SCSI_REV_SPC3) {
1723                 softc->flags |= DA_FLAG_CAN_RC16;
1724                 softc->state = DA_STATE_PROBE2;
1725         }
1726
1727         /*
1728          * Register this media as a disk.
1729          */
1730         softc->disk = disk_alloc();
1731         softc->disk->d_devstat = devstat_new_entry(periph->periph_name,
1732                           periph->unit_number, 0,
1733                           DEVSTAT_BS_UNAVAILABLE,
1734                           SID_TYPE(&cgd->inq_data) |
1735                           XPORT_DEVSTAT_TYPE(cpi.transport),
1736                           DEVSTAT_PRIORITY_DISK);
1737         softc->disk->d_open = daopen;
1738         softc->disk->d_close = daclose;
1739         softc->disk->d_strategy = dastrategy;
1740         softc->disk->d_dump = dadump;
1741         softc->disk->d_getattr = dagetattr;
1742         softc->disk->d_gone = dadiskgonecb;
1743         softc->disk->d_name = "da";
1744         softc->disk->d_drv1 = periph;
1745         if (cpi.maxio == 0)
1746                 softc->disk->d_maxsize = DFLTPHYS;      /* traditional default */
1747         else if (cpi.maxio > MAXPHYS)
1748                 softc->disk->d_maxsize = MAXPHYS;       /* for safety */
1749         else
1750                 softc->disk->d_maxsize = cpi.maxio;
1751         softc->disk->d_unit = periph->unit_number;
1752         softc->disk->d_flags = 0;
1753         if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0)
1754                 softc->disk->d_flags |= DISKFLAG_CANFLUSHCACHE;
1755         cam_strvis(softc->disk->d_descr, cgd->inq_data.vendor,
1756             sizeof(cgd->inq_data.vendor), sizeof(softc->disk->d_descr));
1757         strlcat(softc->disk->d_descr, " ", sizeof(softc->disk->d_descr));
1758         cam_strvis(&softc->disk->d_descr[strlen(softc->disk->d_descr)],
1759             cgd->inq_data.product, sizeof(cgd->inq_data.product),
1760             sizeof(softc->disk->d_descr) - strlen(softc->disk->d_descr));
1761         softc->disk->d_hba_vendor = cpi.hba_vendor;
1762         softc->disk->d_hba_device = cpi.hba_device;
1763         softc->disk->d_hba_subvendor = cpi.hba_subvendor;
1764         softc->disk->d_hba_subdevice = cpi.hba_subdevice;
1765
1766         /*
1767          * Acquire a reference to the periph before we register with GEOM.
1768          * We'll release this reference once GEOM calls us back (via
1769          * dadiskgonecb()) telling us that our provider has been freed.
1770          */
1771         if (cam_periph_acquire(periph) != CAM_REQ_CMP) {
1772                 xpt_print(periph->path, "%s: lost periph during "
1773                           "registration!\n", __func__);
1774                 cam_periph_lock(periph);
1775                 return (CAM_REQ_CMP_ERR);
1776         }
1777
1778         disk_create(softc->disk, DISK_VERSION);
1779         cam_periph_lock(periph);
1780
1781         /*
1782          * Add async callbacks for events of interest.
1783          * I don't bother checking if this fails as,
1784          * in most cases, the system will function just
1785          * fine without them and the only alternative
1786          * would be to not attach the device on failure.
1787          */
1788         xpt_register_async(AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE |
1789             AC_ADVINFO_CHANGED | AC_SCSI_AEN | AC_UNIT_ATTENTION,
1790             daasync, periph, periph->path);
1791
1792         /*
1793          * Emit an attribute changed notification just in case
1794          * physical path information arrived before our async
1795          * event handler was registered, but after anyone attaching
1796          * to our disk device polled it.
1797          */
1798         disk_attr_changed(softc->disk, "GEOM::physpath", M_NOWAIT);
1799
1800         /*
1801          * Schedule a periodic media polling events.
1802          */
1803         callout_init_mtx(&softc->mediapoll_c, periph->sim->mtx, 0);
1804         if ((softc->flags & DA_FLAG_PACK_REMOVABLE) &&
1805             (cgd->inq_flags & SID_AEN) == 0 &&
1806             da_poll_period != 0)
1807                 callout_reset(&softc->mediapoll_c, da_poll_period * hz,
1808                     damediapoll, periph);
1809
1810         xpt_schedule(periph, CAM_PRIORITY_DEV);
1811
1812         return(CAM_REQ_CMP);
1813 }
1814
1815 static void
1816 dastart(struct cam_periph *periph, union ccb *start_ccb)
1817 {
1818         struct da_softc *softc;
1819
1820         softc = (struct da_softc *)periph->softc;
1821
1822         CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dastart\n"));
1823
1824         switch (softc->state) {
1825         case DA_STATE_NORMAL:
1826         {
1827                 struct bio *bp, *bp1;
1828                 uint8_t tag_code;
1829
1830                 /* Execute immediate CCB if waiting. */
1831                 if (periph->immediate_priority <= periph->pinfo.priority) {
1832                         CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE,
1833                                         ("queuing for immediate ccb\n"));
1834                         start_ccb->ccb_h.ccb_state = DA_CCB_WAITING;
1835                         SLIST_INSERT_HEAD(&periph->ccb_list, &start_ccb->ccb_h,
1836                                           periph_links.sle);
1837                         periph->immediate_priority = CAM_PRIORITY_NONE;
1838                         wakeup(&periph->ccb_list);
1839                         /* May have more work to do, so ensure we stay scheduled */
1840                         daschedule(periph);
1841                         break;
1842                 }
1843
1844                 /* Run BIO_DELETE if not running yet. */
1845                 if (!softc->delete_running &&
1846                     (bp = bioq_first(&softc->delete_queue)) != NULL) {
1847                     uint64_t lba;
1848                     u_int count;
1849
1850                     if (softc->delete_method == DA_DELETE_UNMAP) {
1851                         uint8_t *buf = softc->unmap_buf;
1852                         uint64_t lastlba = (uint64_t)-1;
1853                         uint32_t lastcount = 0;
1854                         int blocks = 0, off, ranges = 0;
1855
1856                         softc->delete_running = 1;
1857                         bzero(softc->unmap_buf, sizeof(softc->unmap_buf));
1858                         bp1 = bp;
1859                         do {
1860                                 bioq_remove(&softc->delete_queue, bp1);
1861                                 if (bp1 != bp)
1862                                         bioq_insert_tail(&softc->delete_run_queue, bp1);
1863                                 lba = bp1->bio_pblkno;
1864                                 count = bp1->bio_bcount / softc->params.secsize;
1865
1866                                 /* Try to extend the previous range. */
1867                                 if (lba == lastlba) {
1868                                         lastcount += count;
1869                                         off = (ranges - 1) * 16 + 8;
1870                                         scsi_ulto4b(lastcount, &buf[off + 8]);
1871                                 } else if (count > 0) {
1872                                         off = ranges * 16 + 8;
1873                                         scsi_u64to8b(lba, &buf[off + 0]);
1874                                         scsi_ulto4b(count, &buf[off + 8]);
1875                                         lastcount = count;
1876                                         ranges++;
1877                                 }
1878                                 blocks += count;
1879                                 lastlba = lba + count;
1880                                 bp1 = bioq_first(&softc->delete_queue);
1881                                 if (bp1 == NULL ||
1882                                     ranges >= softc->unmap_max_ranges ||
1883                                     blocks + bp1->bio_bcount /
1884                                      softc->params.secsize > softc->unmap_max_lba)
1885                                         break;
1886                         } while (1);
1887                         scsi_ulto2b(ranges * 16 + 6, &buf[0]);
1888                         scsi_ulto2b(ranges * 16, &buf[2]);
1889
1890                         scsi_unmap(&start_ccb->csio,
1891                                         /*retries*/da_retry_count,
1892                                         /*cbfcnp*/dadone,
1893                                         /*tag_action*/MSG_SIMPLE_Q_TAG,
1894                                         /*byte2*/0,
1895                                         /*data_ptr*/ buf,
1896                                         /*dxfer_len*/ ranges * 16 + 8,
1897                                         /*sense_len*/SSD_FULL_SIZE,
1898                                         da_default_timeout * 1000);
1899                         start_ccb->ccb_h.ccb_state = DA_CCB_DELETE;
1900                         goto out;
1901                     } else if (softc->delete_method == DA_DELETE_ZERO ||
1902                                softc->delete_method == DA_DELETE_WS10 ||
1903                                softc->delete_method == DA_DELETE_WS16) {
1904                         softc->delete_running = 1;
1905                         lba = bp->bio_pblkno;
1906                         count = 0;
1907                         bp1 = bp;
1908                         do {
1909                                 bioq_remove(&softc->delete_queue, bp1);
1910                                 if (bp1 != bp)
1911                                         bioq_insert_tail(&softc->delete_run_queue, bp1);
1912                                 count += bp1->bio_bcount / softc->params.secsize;
1913                                 bp1 = bioq_first(&softc->delete_queue);
1914                                 if (bp1 == NULL ||
1915                                     lba + count != bp1->bio_pblkno ||
1916                                     count + bp1->bio_bcount /
1917                                      softc->params.secsize > 0xffff)
1918                                         break;
1919                         } while (1);
1920
1921                         scsi_write_same(&start_ccb->csio,
1922                                         /*retries*/da_retry_count,
1923                                         /*cbfcnp*/dadone,
1924                                         /*tag_action*/MSG_SIMPLE_Q_TAG,
1925                                         /*byte2*/softc->delete_method ==
1926                                             DA_DELETE_ZERO ? 0 : SWS_UNMAP,
1927                                         softc->delete_method ==
1928                                             DA_DELETE_WS16 ? 16 : 10,
1929                                         /*lba*/lba,
1930                                         /*block_count*/count,
1931                                         /*data_ptr*/ __DECONST(void *,
1932                                             zero_region),
1933                                         /*dxfer_len*/ softc->params.secsize,
1934                                         /*sense_len*/SSD_FULL_SIZE,
1935                                         da_default_timeout * 1000);
1936                         start_ccb->ccb_h.ccb_state = DA_CCB_DELETE;
1937                         goto out;
1938                     } else {
1939                         bioq_flush(&softc->delete_queue, NULL, 0);
1940                         /* FALLTHROUGH */
1941                     }
1942                 }
1943
1944                 /* Run regular command. */
1945                 bp = bioq_takefirst(&softc->bio_queue);
1946                 if (bp == NULL) {
1947                         if (softc->tur) {
1948                                 softc->tur = 0;
1949                                 scsi_test_unit_ready(&start_ccb->csio,
1950                                      /*retries*/ da_retry_count,
1951                                      dadone,
1952                                      MSG_SIMPLE_Q_TAG,
1953                                      SSD_FULL_SIZE,
1954                                      da_default_timeout * 1000);
1955                                 start_ccb->ccb_h.ccb_bp = NULL;
1956                                 start_ccb->ccb_h.ccb_state = DA_CCB_TUR;
1957                                 xpt_action(start_ccb);
1958                         } else
1959                                 xpt_release_ccb(start_ccb);
1960                         break;
1961                 }
1962                 if (softc->tur) {
1963                         softc->tur = 0;
1964                         cam_periph_release_locked(periph);
1965                 }
1966
1967                 if ((bp->bio_flags & BIO_ORDERED) != 0 ||
1968                     (softc->flags & DA_FLAG_NEED_OTAG) != 0) {
1969                         softc->flags &= ~DA_FLAG_NEED_OTAG;
1970                         softc->ordered_tag_count++;
1971                         tag_code = MSG_ORDERED_Q_TAG;
1972                 } else {
1973                         tag_code = MSG_SIMPLE_Q_TAG;
1974                 }
1975
1976                 switch (bp->bio_cmd) {
1977                 case BIO_READ:
1978                 case BIO_WRITE:
1979                         scsi_read_write(&start_ccb->csio,
1980                                         /*retries*/da_retry_count,
1981                                         /*cbfcnp*/dadone,
1982                                         /*tag_action*/tag_code,
1983                                         /*read_op*/bp->bio_cmd
1984                                                 == BIO_READ,
1985                                         /*byte2*/0,
1986                                         softc->minimum_cmd_size,
1987                                         /*lba*/bp->bio_pblkno,
1988                                         /*block_count*/bp->bio_bcount /
1989                                         softc->params.secsize,
1990                                         /*data_ptr*/ bp->bio_data,
1991                                         /*dxfer_len*/ bp->bio_bcount,
1992                                         /*sense_len*/SSD_FULL_SIZE,
1993                                         da_default_timeout * 1000);
1994                         break;
1995                 case BIO_FLUSH:
1996                         /*
1997                          * BIO_FLUSH doesn't currently communicate
1998                          * range data, so we synchronize the cache
1999                          * over the whole disk.  We also force
2000                          * ordered tag semantics the flush applies
2001                          * to all previously queued I/O.
2002                          */
2003                         scsi_synchronize_cache(&start_ccb->csio,
2004                                                /*retries*/1,
2005                                                /*cbfcnp*/dadone,
2006                                                MSG_ORDERED_Q_TAG,
2007                                                /*begin_lba*/0,
2008                                                /*lb_count*/0,
2009                                                SSD_FULL_SIZE,
2010                                                da_default_timeout*1000);
2011                         break;
2012                 }
2013                 start_ccb->ccb_h.ccb_state = DA_CCB_BUFFER_IO;
2014
2015 out:
2016                 /*
2017                  * Block out any asyncronous callbacks
2018                  * while we touch the pending ccb list.
2019                  */
2020                 LIST_INSERT_HEAD(&softc->pending_ccbs,
2021                                  &start_ccb->ccb_h, periph_links.le);
2022                 softc->outstanding_cmds++;
2023
2024                 /* We expect a unit attention from this device */
2025                 if ((softc->flags & DA_FLAG_RETRY_UA) != 0) {
2026                         start_ccb->ccb_h.ccb_state |= DA_CCB_RETRY_UA;
2027                         softc->flags &= ~DA_FLAG_RETRY_UA;
2028                 }
2029
2030                 start_ccb->ccb_h.ccb_bp = bp;
2031                 xpt_action(start_ccb);
2032
2033                 /* May have more work to do, so ensure we stay scheduled */
2034                 daschedule(periph);
2035                 break;
2036         }
2037         case DA_STATE_PROBE:
2038         {
2039                 struct scsi_read_capacity_data *rcap;
2040
2041                 rcap = (struct scsi_read_capacity_data *)
2042                     malloc(sizeof(*rcap), M_SCSIDA, M_NOWAIT|M_ZERO);
2043                 if (rcap == NULL) {
2044                         printf("dastart: Couldn't malloc read_capacity data\n");
2045                         /* da_free_periph??? */
2046                         break;
2047                 }
2048                 scsi_read_capacity(&start_ccb->csio,
2049                                    /*retries*/da_retry_count,
2050                                    dadone,
2051                                    MSG_SIMPLE_Q_TAG,
2052                                    rcap,
2053                                    SSD_FULL_SIZE,
2054                                    /*timeout*/5000);
2055                 start_ccb->ccb_h.ccb_bp = NULL;
2056                 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE;
2057                 xpt_action(start_ccb);
2058                 break;
2059         }
2060         case DA_STATE_PROBE2:
2061         {
2062                 struct scsi_read_capacity_data_long *rcaplong;
2063
2064                 rcaplong = (struct scsi_read_capacity_data_long *)
2065                         malloc(sizeof(*rcaplong), M_SCSIDA, M_NOWAIT|M_ZERO);
2066                 if (rcaplong == NULL) {
2067                         printf("dastart: Couldn't malloc read_capacity data\n");
2068                         /* da_free_periph??? */
2069                         break;
2070                 }
2071                 scsi_read_capacity_16(&start_ccb->csio,
2072                                       /*retries*/ da_retry_count,
2073                                       /*cbfcnp*/ dadone,
2074                                       /*tag_action*/ MSG_SIMPLE_Q_TAG,
2075                                       /*lba*/ 0,
2076                                       /*reladr*/ 0,
2077                                       /*pmi*/ 0,
2078                                       rcaplong,
2079                                       /*sense_len*/ SSD_FULL_SIZE,
2080                                       /*timeout*/ da_default_timeout * 1000);
2081                 start_ccb->ccb_h.ccb_bp = NULL;
2082                 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE2;
2083                 xpt_action(start_ccb);
2084                 break;
2085         }
2086         }
2087 }
2088
2089 static int
2090 cmd6workaround(union ccb *ccb)
2091 {
2092         struct scsi_rw_6 cmd6;
2093         struct scsi_rw_10 *cmd10;
2094         struct da_softc *softc;
2095         u_int8_t *cdb;
2096         struct bio *bp;
2097         int frozen;
2098
2099         cdb = ccb->csio.cdb_io.cdb_bytes;
2100         softc = (struct da_softc *)xpt_path_periph(ccb->ccb_h.path)->softc;
2101
2102         if (ccb->ccb_h.ccb_state == DA_CCB_DELETE) {
2103                 if (softc->delete_method == DA_DELETE_UNMAP) {
2104                         xpt_print(ccb->ccb_h.path, "UNMAP is not supported, "
2105                             "switching to WRITE SAME(16) with UNMAP.\n");
2106                         dadeletemethodset(softc, DA_DELETE_WS16);
2107                 } else if (softc->delete_method == DA_DELETE_WS16) {
2108                         xpt_print(ccb->ccb_h.path,
2109                             "WRITE SAME(16) with UNMAP is not supported, "
2110                             "disabling BIO_DELETE.\n");
2111                         dadeletemethodset(softc, DA_DELETE_DISABLE);
2112                 } else if (softc->delete_method == DA_DELETE_WS10) {
2113                         xpt_print(ccb->ccb_h.path,
2114                             "WRITE SAME(10) with UNMAP is not supported, "
2115                             "disabling BIO_DELETE.\n");
2116                         dadeletemethodset(softc, DA_DELETE_DISABLE);
2117                 } else if (softc->delete_method == DA_DELETE_ZERO) {
2118                         xpt_print(ccb->ccb_h.path,
2119                             "WRITE SAME(10) is not supported, "
2120                             "disabling BIO_DELETE.\n");
2121                         dadeletemethodset(softc, DA_DELETE_DISABLE);
2122                 } else
2123                         dadeletemethodset(softc, DA_DELETE_DISABLE);
2124
2125                 if (DA_SIO) {
2126                         while ((bp = bioq_takefirst(&softc->delete_run_queue))
2127                             != NULL)
2128                                 bioq_disksort(&softc->delete_queue, bp);
2129                 } else {
2130                         while ((bp = bioq_takefirst(&softc->delete_run_queue))
2131                             != NULL)
2132                                 bioq_insert_tail(&softc->delete_queue, bp);
2133                 }
2134                 bioq_insert_tail(&softc->delete_queue,
2135                     (struct bio *)ccb->ccb_h.ccb_bp);
2136                 ccb->ccb_h.ccb_bp = NULL;
2137                 return (0);
2138         }
2139
2140         /* Translation only possible if CDB is an array and cmd is R/W6 */
2141         if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0 ||
2142             (*cdb != READ_6 && *cdb != WRITE_6))
2143                 return 0;
2144
2145         xpt_print(ccb->ccb_h.path, "READ(6)/WRITE(6) not supported, "
2146             "increasing minimum_cmd_size to 10.\n");
2147         softc->minimum_cmd_size = 10;
2148
2149         bcopy(cdb, &cmd6, sizeof(struct scsi_rw_6));
2150         cmd10 = (struct scsi_rw_10 *)cdb;
2151         cmd10->opcode = (cmd6.opcode == READ_6) ? READ_10 : WRITE_10;
2152         cmd10->byte2 = 0;
2153         scsi_ulto4b(scsi_3btoul(cmd6.addr), cmd10->addr);
2154         cmd10->reserved = 0;
2155         scsi_ulto2b(cmd6.length, cmd10->length);
2156         cmd10->control = cmd6.control;
2157         ccb->csio.cdb_len = sizeof(*cmd10);
2158
2159         /* Requeue request, unfreezing queue if necessary */
2160         frozen = (ccb->ccb_h.status & CAM_DEV_QFRZN) != 0;
2161         ccb->ccb_h.status = CAM_REQUEUE_REQ;
2162         xpt_action(ccb);
2163         if (frozen) {
2164                 cam_release_devq(ccb->ccb_h.path,
2165                                  /*relsim_flags*/0,
2166                                  /*reduction*/0,
2167                                  /*timeout*/0,
2168                                  /*getcount_only*/0);
2169         }
2170         return (ERESTART);
2171 }
2172
2173 static void
2174 dadone(struct cam_periph *periph, union ccb *done_ccb)
2175 {
2176         struct da_softc *softc;
2177         struct ccb_scsiio *csio;
2178         u_int32_t  priority;
2179         da_ccb_state state;
2180
2181         softc = (struct da_softc *)periph->softc;
2182         priority = done_ccb->ccb_h.pinfo.priority;
2183
2184         CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone\n"));
2185
2186         csio = &done_ccb->csio;
2187         state = csio->ccb_h.ccb_state & DA_CCB_TYPE_MASK;
2188         switch (state) {
2189         case DA_CCB_BUFFER_IO:
2190         case DA_CCB_DELETE:
2191         {
2192                 struct bio *bp, *bp1;
2193
2194                 bp = (struct bio *)done_ccb->ccb_h.ccb_bp;
2195                 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
2196                         int error;
2197                         int sf;
2198
2199                         if ((csio->ccb_h.ccb_state & DA_CCB_RETRY_UA) != 0)
2200                                 sf = SF_RETRY_UA;
2201                         else
2202                                 sf = 0;
2203
2204                         error = daerror(done_ccb, CAM_RETRY_SELTO, sf);
2205                         if (error == ERESTART) {
2206                                 /*
2207                                  * A retry was scheuled, so
2208                                  * just return.
2209                                  */
2210                                 return;
2211                         }
2212                         bp = (struct bio *)done_ccb->ccb_h.ccb_bp;
2213                         if (error != 0) {
2214                                 int queued_error;
2215
2216                                 /*
2217                                  * return all queued I/O with EIO, so that
2218                                  * the client can retry these I/Os in the
2219                                  * proper order should it attempt to recover.
2220                                  */
2221                                 queued_error = EIO;
2222
2223                                 if (error == ENXIO
2224                                  && (softc->flags & DA_FLAG_PACK_INVALID)== 0) {
2225                                         /*
2226                                          * Catastrophic error.  Mark our pack as
2227                                          * invalid.
2228                                          */
2229                                         /*
2230                                          * XXX See if this is really a media
2231                                          * XXX change first?
2232                                          */
2233                                         xpt_print(periph->path,
2234                                             "Invalidating pack\n");
2235                                         softc->flags |= DA_FLAG_PACK_INVALID;
2236                                         queued_error = ENXIO;
2237                                 }
2238                                 bioq_flush(&softc->bio_queue, NULL,
2239                                            queued_error);
2240                                 if (bp != NULL) {
2241                                         bp->bio_error = error;
2242                                         bp->bio_resid = bp->bio_bcount;
2243                                         bp->bio_flags |= BIO_ERROR;
2244                                 }
2245                         } else if (bp != NULL) {
2246                                 bp->bio_resid = csio->resid;
2247                                 bp->bio_error = 0;
2248                                 if (bp->bio_resid != 0)
2249                                         bp->bio_flags |= BIO_ERROR;
2250                         }
2251                         if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
2252                                 cam_release_devq(done_ccb->ccb_h.path,
2253                                                  /*relsim_flags*/0,
2254                                                  /*reduction*/0,
2255                                                  /*timeout*/0,
2256                                                  /*getcount_only*/0);
2257                 } else if (bp != NULL) {
2258                         if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
2259                                 panic("REQ_CMP with QFRZN");
2260                         bp->bio_resid = csio->resid;
2261                         if (csio->resid > 0)
2262                                 bp->bio_flags |= BIO_ERROR;
2263                         if (softc->error_inject != 0) {
2264                                 bp->bio_error = softc->error_inject;
2265                                 bp->bio_resid = bp->bio_bcount;
2266                                 bp->bio_flags |= BIO_ERROR;
2267                                 softc->error_inject = 0;
2268                         }
2269
2270                 }
2271
2272                 /*
2273                  * Block out any asyncronous callbacks
2274                  * while we touch the pending ccb list.
2275                  */
2276                 LIST_REMOVE(&done_ccb->ccb_h, periph_links.le);
2277                 softc->outstanding_cmds--;
2278                 if (softc->outstanding_cmds == 0)
2279                         softc->flags |= DA_FLAG_WENT_IDLE;
2280
2281                 if ((softc->flags & DA_FLAG_PACK_INVALID) != 0) {
2282                         xpt_print(periph->path, "oustanding %d\n",
2283                                   softc->outstanding_cmds);
2284                 }
2285
2286                 if (state == DA_CCB_DELETE) {
2287                         while ((bp1 = bioq_takefirst(&softc->delete_run_queue))
2288                             != NULL) {
2289                                 bp1->bio_resid = bp->bio_resid;
2290                                 bp1->bio_error = bp->bio_error;
2291                                 if (bp->bio_flags & BIO_ERROR)
2292                                         bp1->bio_flags |= BIO_ERROR;
2293                                 biodone(bp1);
2294                         }
2295                         softc->delete_running = 0;
2296                         if (bp != NULL)
2297                                 biodone(bp);
2298                         daschedule(periph);
2299                 } else if (bp != NULL)
2300                         biodone(bp);
2301                 break;
2302         }
2303         case DA_CCB_PROBE:
2304         case DA_CCB_PROBE2:
2305         {
2306                 struct     scsi_read_capacity_data *rdcap;
2307                 struct     scsi_read_capacity_data_long *rcaplong;
2308                 char       announce_buf[80];
2309
2310                 rdcap = NULL;
2311                 rcaplong = NULL;
2312                 if (state == DA_CCB_PROBE)
2313                         rdcap =(struct scsi_read_capacity_data *)csio->data_ptr;
2314                 else
2315                         rcaplong = (struct scsi_read_capacity_data_long *)
2316                                 csio->data_ptr;
2317
2318                 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
2319                         struct disk_params *dp;
2320                         uint32_t block_size;
2321                         uint64_t maxsector;
2322                         u_int lbppbe;   /* LB per physical block exponent. */
2323                         u_int lalba;    /* Lowest aligned LBA. */
2324
2325                         if (state == DA_CCB_PROBE) {
2326                                 block_size = scsi_4btoul(rdcap->length);
2327                                 maxsector = scsi_4btoul(rdcap->addr);
2328                                 lbppbe = 0;
2329                                 lalba = 0;
2330
2331                                 /*
2332                                  * According to SBC-2, if the standard 10
2333                                  * byte READ CAPACITY command returns 2^32,
2334                                  * we should issue the 16 byte version of
2335                                  * the command, since the device in question
2336                                  * has more sectors than can be represented
2337                                  * with the short version of the command.
2338                                  */
2339                                 if (maxsector == 0xffffffff) {
2340                                         softc->state = DA_STATE_PROBE2;
2341                                         free(rdcap, M_SCSIDA);
2342                                         xpt_release_ccb(done_ccb);
2343                                         xpt_schedule(periph, priority);
2344                                         return;
2345                                 }
2346                         } else {
2347                                 block_size = scsi_4btoul(rcaplong->length);
2348                                 maxsector = scsi_8btou64(rcaplong->addr);
2349                                 lbppbe = rcaplong->prot_lbppbe & SRC16_LBPPBE;
2350                                 lalba = scsi_2btoul(rcaplong->lalba_lbp);
2351                         }
2352
2353                         /*
2354                          * Because GEOM code just will panic us if we
2355                          * give them an 'illegal' value we'll avoid that
2356                          * here.
2357                          */
2358                         if (block_size == 0 && maxsector == 0) {
2359                                 snprintf(announce_buf, sizeof(announce_buf),
2360                                         "0MB (no media?)");
2361                         } else if (block_size >= MAXPHYS || block_size == 0) {
2362                                 xpt_print(periph->path,
2363                                     "unsupportable block size %ju\n",
2364                                     (uintmax_t) block_size);
2365                                 announce_buf[0] = '\0';
2366                                 cam_periph_invalidate(periph);
2367                         } else {
2368                                 /*
2369                                  * We pass rcaplong into dasetgeom(),
2370                                  * because it will only use it if it is
2371                                  * non-NULL.
2372                                  */
2373                                 dasetgeom(periph, block_size, maxsector,
2374                                           rcaplong, sizeof(*rcaplong));
2375                                 if ((lalba & SRC16_LBPME_A)
2376                                  && softc->delete_method == DA_DELETE_NONE)
2377                                         dadeletemethodset(softc, DA_DELETE_UNMAP);
2378                                 dp = &softc->params;
2379                                 snprintf(announce_buf, sizeof(announce_buf),
2380                                         "%juMB (%ju %u byte sectors: %dH %dS/T "
2381                                         "%dC)", (uintmax_t)
2382                                         (((uintmax_t)dp->secsize *
2383                                         dp->sectors) / (1024*1024)),
2384                                         (uintmax_t)dp->sectors,
2385                                         dp->secsize, dp->heads,
2386                                         dp->secs_per_track, dp->cylinders);
2387                         }
2388                 } else {
2389                         int     error;
2390
2391                         announce_buf[0] = '\0';
2392
2393                         /*
2394                          * Retry any UNIT ATTENTION type errors.  They
2395                          * are expected at boot.
2396                          */
2397                         error = daerror(done_ccb, CAM_RETRY_SELTO,
2398                                         SF_RETRY_UA|SF_NO_PRINT);
2399                         if (error == ERESTART) {
2400                                 /*
2401                                  * A retry was scheuled, so
2402                                  * just return.
2403                                  */
2404                                 return;
2405                         } else if (error != 0) {
2406                                 int asc, ascq;
2407                                 int sense_key, error_code;
2408                                 int have_sense;
2409                                 cam_status status;
2410                                 struct ccb_getdev cgd;
2411
2412                                 /* Don't wedge this device's queue */
2413                                 status = done_ccb->ccb_h.status;
2414                                 if ((status & CAM_DEV_QFRZN) != 0)
2415                                         cam_release_devq(done_ccb->ccb_h.path,
2416                                                          /*relsim_flags*/0,
2417                                                          /*reduction*/0,
2418                                                          /*timeout*/0,
2419                                                          /*getcount_only*/0);
2420
2421
2422                                 xpt_setup_ccb(&cgd.ccb_h,
2423                                               done_ccb->ccb_h.path,
2424                                               CAM_PRIORITY_NORMAL);
2425                                 cgd.ccb_h.func_code = XPT_GDEV_TYPE;
2426                                 xpt_action((union ccb *)&cgd);
2427
2428                                 if (scsi_extract_sense_ccb(done_ccb,
2429                                     &error_code, &sense_key, &asc, &ascq))
2430                                         have_sense = TRUE;
2431                                 else
2432                                         have_sense = FALSE;
2433
2434                                 /*
2435                                  * If we tried READ CAPACITY(16) and failed,
2436                                  * fallback to READ CAPACITY(10).
2437                                  */
2438                                 if ((state == DA_CCB_PROBE2) &&
2439                                     (softc->flags & DA_FLAG_CAN_RC16) &&
2440                                     (((csio->ccb_h.status & CAM_STATUS_MASK) ==
2441                                         CAM_REQ_INVALID) ||
2442                                      ((have_sense) &&
2443                                       (error_code == SSD_CURRENT_ERROR) &&
2444                                       (sense_key == SSD_KEY_ILLEGAL_REQUEST)))) {
2445                                         softc->flags &= ~DA_FLAG_CAN_RC16;
2446                                         softc->state = DA_STATE_PROBE;
2447                                         free(rdcap, M_SCSIDA);
2448                                         xpt_release_ccb(done_ccb);
2449                                         xpt_schedule(periph, priority);
2450                                         return;
2451                                 } else
2452                                 /*
2453                                  * Attach to anything that claims to be a
2454                                  * direct access or optical disk device,
2455                                  * as long as it doesn't return a "Logical
2456                                  * unit not supported" (0x25) error.
2457                                  */
2458                                 if ((have_sense) && (asc != 0x25)
2459                                  && (error_code == SSD_CURRENT_ERROR)) {
2460                                         const char *sense_key_desc;
2461                                         const char *asc_desc;
2462
2463                                         scsi_sense_desc(sense_key, asc, ascq,
2464                                                         &cgd.inq_data,
2465                                                         &sense_key_desc,
2466                                                         &asc_desc);
2467                                         snprintf(announce_buf,
2468                                             sizeof(announce_buf),
2469                                                 "Attempt to query device "
2470                                                 "size failed: %s, %s",
2471                                                 sense_key_desc,
2472                                                 asc_desc);
2473                                 } else {
2474                                         if (have_sense)
2475                                                 scsi_sense_print(
2476                                                         &done_ccb->csio);
2477                                         else {
2478                                                 xpt_print(periph->path,
2479                                                     "got CAM status %#x\n",
2480                                                     done_ccb->ccb_h.status);
2481                                         }
2482
2483                                         xpt_print(periph->path, "fatal error, "
2484                                             "failed to attach to device\n");
2485
2486                                         /*
2487                                          * Free up resources.
2488                                          */
2489                                         cam_periph_invalidate(periph);
2490                                 }
2491                         }
2492                 }
2493                 free(csio->data_ptr, M_SCSIDA);
2494                 if (announce_buf[0] != '\0' && ((softc->flags & DA_FLAG_PROBED) == 0)) {
2495                         /*
2496                          * Create our sysctl variables, now that we know
2497                          * we have successfully attached.
2498                          */
2499                         /* increase the refcount */
2500                         if (cam_periph_acquire(periph) == CAM_REQ_CMP) {
2501                                 taskqueue_enqueue(taskqueue_thread,
2502                                                   &softc->sysctl_task);
2503                                 xpt_announce_periph(periph, announce_buf);
2504                         } else {
2505                                 xpt_print(periph->path, "fatal error, "
2506                                     "could not acquire reference count\n");
2507                         }
2508                 }
2509                 /*
2510                  * Since our peripheral may be invalidated by an error
2511                  * above or an external event, we must release our CCB
2512                  * before releasing the probe lock on the peripheral.
2513                  * The peripheral will only go away once the last lock
2514                  * is removed, and we need it around for the CCB release
2515                  * operation.
2516                  */
2517                 xpt_release_ccb(done_ccb);
2518                 softc->state = DA_STATE_NORMAL;
2519                 daschedule(periph);
2520                 wakeup(&softc->disk->d_mediasize);
2521                 if ((softc->flags & DA_FLAG_PROBED) == 0) {
2522                         softc->flags |= DA_FLAG_PROBED;
2523                         cam_periph_unhold(periph);
2524                 } else
2525                         cam_periph_release_locked(periph);
2526                 return;
2527         }
2528         case DA_CCB_WAITING:
2529         {
2530                 /* Caller will release the CCB */
2531                 wakeup(&done_ccb->ccb_h.cbfcnp);
2532                 return;
2533         }
2534         case DA_CCB_DUMP:
2535                 /* No-op.  We're polling */
2536                 return;
2537         case DA_CCB_TUR:
2538         {
2539                 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
2540
2541                         if (daerror(done_ccb, CAM_RETRY_SELTO,
2542                             SF_RETRY_UA | SF_NO_RECOVERY | SF_NO_PRINT) ==
2543                             ERESTART)
2544                                 return;
2545                         if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
2546                                 cam_release_devq(done_ccb->ccb_h.path,
2547                                                  /*relsim_flags*/0,
2548                                                  /*reduction*/0,
2549                                                  /*timeout*/0,
2550                                                  /*getcount_only*/0);
2551                 }
2552                 xpt_release_ccb(done_ccb);
2553                 cam_periph_release_locked(periph);
2554                 return;
2555         }
2556         default:
2557                 break;
2558         }
2559         xpt_release_ccb(done_ccb);
2560 }
2561
2562 static void
2563 dareprobe(struct cam_periph *periph)
2564 {
2565         struct da_softc   *softc;
2566         cam_status status;
2567
2568         softc = (struct da_softc *)periph->softc;
2569
2570         /* Probe in progress; don't interfere. */
2571         if ((softc->flags & DA_FLAG_PROBED) == 0)
2572                 return;
2573
2574         status = cam_periph_acquire(periph);
2575         KASSERT(status == CAM_REQ_CMP,
2576             ("dareprobe: cam_periph_acquire failed"));
2577
2578         if (softc->flags & DA_FLAG_CAN_RC16)
2579                 softc->state = DA_STATE_PROBE2;
2580         else
2581                 softc->state = DA_STATE_PROBE;
2582
2583         xpt_schedule(periph, CAM_PRIORITY_DEV);
2584 }
2585
2586 static int
2587 daerror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags)
2588 {
2589         struct da_softc   *softc;
2590         struct cam_periph *periph;
2591         int error, error_code, sense_key, asc, ascq;
2592
2593         periph = xpt_path_periph(ccb->ccb_h.path);
2594         softc = (struct da_softc *)periph->softc;
2595
2596         /*
2597          * Automatically detect devices that do not support
2598          * READ(6)/WRITE(6) and upgrade to using 10 byte cdbs.
2599          */
2600         error = 0;
2601         if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INVALID) {
2602                 error = cmd6workaround(ccb);
2603         } else if (scsi_extract_sense_ccb(ccb,
2604             &error_code, &sense_key, &asc, &ascq)) {
2605                 if (sense_key == SSD_KEY_ILLEGAL_REQUEST)
2606                         error = cmd6workaround(ccb);
2607                 /*
2608                  * If the target replied with CAPACITY DATA HAS CHANGED UA,
2609                  * query the capacity and notify upper layers.
2610                  */
2611                 else if (sense_key == SSD_KEY_UNIT_ATTENTION &&
2612                     asc == 0x2A && ascq == 0x09) {
2613                         xpt_print(periph->path, "capacity data has changed\n");
2614                         dareprobe(periph);
2615                         sense_flags |= SF_NO_PRINT;
2616                 } else if (sense_key == SSD_KEY_UNIT_ATTENTION &&
2617                     asc == 0x28 && ascq == 0x00)
2618                         disk_media_changed(softc->disk, M_NOWAIT);
2619                 else if (sense_key == SSD_KEY_NOT_READY &&
2620                     asc == 0x3a && (softc->flags & DA_FLAG_SAW_MEDIA)) {
2621                         softc->flags &= ~DA_FLAG_SAW_MEDIA;
2622                         disk_media_gone(softc->disk, M_NOWAIT);
2623                 }
2624         }
2625         if (error == ERESTART)
2626                 return (ERESTART);
2627
2628         /*
2629          * XXX
2630          * Until we have a better way of doing pack validation,
2631          * don't treat UAs as errors.
2632          */
2633         sense_flags |= SF_RETRY_UA;
2634         return(cam_periph_error(ccb, cam_flags, sense_flags,
2635                                 &softc->saved_ccb));
2636 }
2637
2638 static void
2639 damediapoll(void *arg)
2640 {
2641         struct cam_periph *periph = arg;
2642         struct da_softc *softc = periph->softc;
2643
2644         if (!softc->tur && softc->outstanding_cmds == 0) {
2645                 if (cam_periph_acquire(periph) == CAM_REQ_CMP) {
2646                         softc->tur = 1;
2647                         daschedule(periph);
2648                 }
2649         }
2650         /* Queue us up again */
2651         if (da_poll_period != 0)
2652                 callout_schedule(&softc->mediapoll_c, da_poll_period * hz);
2653 }
2654
2655 static void
2656 daprevent(struct cam_periph *periph, int action)
2657 {
2658         struct  da_softc *softc;
2659         union   ccb *ccb;
2660         int     error;
2661
2662         softc = (struct da_softc *)periph->softc;
2663
2664         if (((action == PR_ALLOW)
2665           && (softc->flags & DA_FLAG_PACK_LOCKED) == 0)
2666          || ((action == PR_PREVENT)
2667           && (softc->flags & DA_FLAG_PACK_LOCKED) != 0)) {
2668                 return;
2669         }
2670
2671         ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
2672
2673         scsi_prevent(&ccb->csio,
2674                      /*retries*/1,
2675                      /*cbcfp*/dadone,
2676                      MSG_SIMPLE_Q_TAG,
2677                      action,
2678                      SSD_FULL_SIZE,
2679                      5000);
2680
2681         error = cam_periph_runccb(ccb, daerror, CAM_RETRY_SELTO,
2682             SF_RETRY_UA | SF_QUIET_IR, softc->disk->d_devstat);
2683
2684         if (error == 0) {
2685                 if (action == PR_ALLOW)
2686                         softc->flags &= ~DA_FLAG_PACK_LOCKED;
2687                 else
2688                         softc->flags |= DA_FLAG_PACK_LOCKED;
2689         }
2690
2691         xpt_release_ccb(ccb);
2692 }
2693
2694 static void
2695 dasetgeom(struct cam_periph *periph, uint32_t block_len, uint64_t maxsector,
2696           struct scsi_read_capacity_data_long *rcaplong, size_t rcap_len)
2697 {
2698         struct ccb_calc_geometry ccg;
2699         struct da_softc *softc;
2700         struct disk_params *dp;
2701         u_int lbppbe, lalba;
2702
2703         softc = (struct da_softc *)periph->softc;
2704
2705         dp = &softc->params;
2706         dp->secsize = block_len;
2707         dp->sectors = maxsector + 1;
2708         if (rcaplong != NULL) {
2709                 lbppbe = rcaplong->prot_lbppbe & SRC16_LBPPBE;
2710                 lalba = scsi_2btoul(rcaplong->lalba_lbp);
2711                 lalba &= SRC16_LALBA_A;
2712         } else {
2713                 lbppbe = 0;
2714                 lalba = 0;
2715         }
2716
2717         if (lbppbe > 0) {
2718                 dp->stripesize = block_len << lbppbe;
2719                 dp->stripeoffset = (dp->stripesize - block_len * lalba) %
2720                     dp->stripesize;
2721         } else if (softc->quirks & DA_Q_4K) {
2722                 dp->stripesize = 4096;
2723                 dp->stripeoffset = 0;
2724         } else {
2725                 dp->stripesize = 0;
2726                 dp->stripeoffset = 0;
2727         }
2728         /*
2729          * Have the controller provide us with a geometry
2730          * for this disk.  The only time the geometry
2731          * matters is when we boot and the controller
2732          * is the only one knowledgeable enough to come
2733          * up with something that will make this a bootable
2734          * device.
2735          */
2736         xpt_setup_ccb(&ccg.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
2737         ccg.ccb_h.func_code = XPT_CALC_GEOMETRY;
2738         ccg.block_size = dp->secsize;
2739         ccg.volume_size = dp->sectors;
2740         ccg.heads = 0;
2741         ccg.secs_per_track = 0;
2742         ccg.cylinders = 0;
2743         xpt_action((union ccb*)&ccg);
2744         if ((ccg.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
2745                 /*
2746                  * We don't know what went wrong here- but just pick
2747                  * a geometry so we don't have nasty things like divide
2748                  * by zero.
2749                  */
2750                 dp->heads = 255;
2751                 dp->secs_per_track = 255;
2752                 dp->cylinders = dp->sectors / (255 * 255);
2753                 if (dp->cylinders == 0) {
2754                         dp->cylinders = 1;
2755                 }
2756         } else {
2757                 dp->heads = ccg.heads;
2758                 dp->secs_per_track = ccg.secs_per_track;
2759                 dp->cylinders = ccg.cylinders;
2760         }
2761
2762         /*
2763          * If the user supplied a read capacity buffer, and if it is
2764          * different than the previous buffer, update the data in the EDT.
2765          * If it's the same, we don't bother.  This avoids sending an
2766          * update every time someone opens this device.
2767          */
2768         if ((rcaplong != NULL)
2769          && (bcmp(rcaplong, &softc->rcaplong,
2770                   min(sizeof(softc->rcaplong), rcap_len)) != 0)) {
2771                 struct ccb_dev_advinfo cdai;
2772
2773                 xpt_setup_ccb(&cdai.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
2774                 cdai.ccb_h.func_code = XPT_DEV_ADVINFO;
2775                 cdai.buftype = CDAI_TYPE_RCAPLONG;
2776                 cdai.flags |= CDAI_FLAG_STORE;
2777                 cdai.bufsiz = rcap_len;
2778                 cdai.buf = (uint8_t *)rcaplong;
2779                 xpt_action((union ccb *)&cdai);
2780                 if ((cdai.ccb_h.status & CAM_DEV_QFRZN) != 0)
2781                         cam_release_devq(cdai.ccb_h.path, 0, 0, 0, FALSE);
2782                 if (cdai.ccb_h.status != CAM_REQ_CMP) {
2783                         xpt_print(periph->path, "%s: failed to set read "
2784                                   "capacity advinfo\n", __func__);
2785                         /* Use cam_error_print() to decode the status */
2786                         cam_error_print((union ccb *)&cdai, CAM_ESF_CAM_STATUS,
2787                                         CAM_EPF_ALL);
2788                 } else {
2789                         bcopy(rcaplong, &softc->rcaplong,
2790                               min(sizeof(softc->rcaplong), rcap_len));
2791                 }
2792         }
2793
2794         softc->disk->d_sectorsize = softc->params.secsize;
2795         softc->disk->d_mediasize = softc->params.secsize * (off_t)softc->params.sectors;
2796         softc->disk->d_stripesize = softc->params.stripesize;
2797         softc->disk->d_stripeoffset = softc->params.stripeoffset;
2798         /* XXX: these are not actually "firmware" values, so they may be wrong */
2799         softc->disk->d_fwsectors = softc->params.secs_per_track;
2800         softc->disk->d_fwheads = softc->params.heads;
2801         softc->disk->d_devstat->block_size = softc->params.secsize;
2802         softc->disk->d_devstat->flags &= ~DEVSTAT_BS_UNAVAILABLE;
2803         if (softc->delete_method > DA_DELETE_DISABLE)
2804                 softc->disk->d_flags |= DISKFLAG_CANDELETE;
2805         else
2806                 softc->disk->d_flags &= ~DISKFLAG_CANDELETE;
2807 }
2808
2809 static void
2810 dasendorderedtag(void *arg)
2811 {
2812         struct da_softc *softc = arg;
2813
2814         if (da_send_ordered) {
2815                 if ((softc->ordered_tag_count == 0)
2816                  && ((softc->flags & DA_FLAG_WENT_IDLE) == 0)) {
2817                         softc->flags |= DA_FLAG_NEED_OTAG;
2818                 }
2819                 if (softc->outstanding_cmds > 0)
2820                         softc->flags &= ~DA_FLAG_WENT_IDLE;
2821
2822                 softc->ordered_tag_count = 0;
2823         }
2824         /* Queue us up again */
2825         callout_reset(&softc->sendordered_c,
2826             (da_default_timeout * hz) / DA_ORDEREDTAG_INTERVAL,
2827             dasendorderedtag, softc);
2828 }
2829
2830 /*
2831  * Step through all DA peripheral drivers, and if the device is still open,
2832  * sync the disk cache to physical media.
2833  */
2834 static void
2835 dashutdown(void * arg, int howto)
2836 {
2837         struct cam_periph *periph;
2838         struct da_softc *softc;
2839         union ccb *ccb;
2840         int error;
2841
2842         CAM_PERIPH_FOREACH(periph, &dadriver) {
2843                 cam_periph_lock(periph);
2844                 softc = (struct da_softc *)periph->softc;
2845
2846                 /*
2847                  * We only sync the cache if the drive is still open, and
2848                  * if the drive is capable of it..
2849                  */
2850                 if (((softc->flags & DA_FLAG_OPEN) == 0)
2851                  || (softc->quirks & DA_Q_NO_SYNC_CACHE)) {
2852                         cam_periph_unlock(periph);
2853                         continue;
2854                 }
2855
2856                 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
2857                 scsi_synchronize_cache(&ccb->csio,
2858                                        /*retries*/0,
2859                                        /*cbfcnp*/dadone,
2860                                        MSG_SIMPLE_Q_TAG,
2861                                        /*begin_lba*/0, /* whole disk */
2862                                        /*lb_count*/0,
2863                                        SSD_FULL_SIZE,
2864                                        60 * 60 * 1000);
2865
2866                 error = cam_periph_runccb(ccb, daerror, /*cam_flags*/0,
2867                     /*sense_flags*/ SF_NO_RECOVERY | SF_NO_RETRY | SF_QUIET_IR,
2868                     softc->disk->d_devstat);
2869                 if (error != 0)
2870                         xpt_print(periph->path, "Synchronize cache failed\n");
2871                 xpt_release_ccb(ccb);
2872                 cam_periph_unlock(periph);
2873         }
2874 }
2875
2876 #else /* !_KERNEL */
2877
2878 /*
2879  * XXX This is only left out of the kernel build to silence warnings.  If,
2880  * for some reason this function is used in the kernel, the ifdefs should
2881  * be moved so it is included both in the kernel and userland.
2882  */
2883 void
2884 scsi_format_unit(struct ccb_scsiio *csio, u_int32_t retries,
2885                  void (*cbfcnp)(struct cam_periph *, union ccb *),
2886                  u_int8_t tag_action, u_int8_t byte2, u_int16_t ileave,
2887                  u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len,
2888                  u_int32_t timeout)
2889 {
2890         struct scsi_format_unit *scsi_cmd;
2891
2892         scsi_cmd = (struct scsi_format_unit *)&csio->cdb_io.cdb_bytes;
2893         scsi_cmd->opcode = FORMAT_UNIT;
2894         scsi_cmd->byte2 = byte2;
2895         scsi_ulto2b(ileave, scsi_cmd->interleave);
2896
2897         cam_fill_csio(csio,
2898                       retries,
2899                       cbfcnp,
2900                       /*flags*/ (dxfer_len > 0) ? CAM_DIR_OUT : CAM_DIR_NONE,
2901                       tag_action,
2902                       data_ptr,
2903                       dxfer_len,
2904                       sense_len,
2905                       sizeof(*scsi_cmd),
2906                       timeout);
2907 }
2908
2909 #endif /* _KERNEL */