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 <sys/endian.h>
  48 #include <sys/proc.h>
  49 #include <geom/geom.h>
  50 #include <geom/geom_disk.h>
  51 #endif /* _KERNEL */
  52
  53 #ifndef _KERNEL
  54 #include <stdio.h>
  55 #include <string.h>
  56 #endif /* _KERNEL */
  57
  58 #include <cam/cam.h>
  59 #include <cam/cam_ccb.h>
  60 #include <cam/cam_periph.h>
  61 #include <cam/cam_xpt_periph.h>
  62 #include <cam/cam_sim.h>
  63
  64 #include <cam/scsi/scsi_message.h>
  65
  66 #ifndef _KERNEL
  67 #include <cam/scsi/scsi_da.h>
  68 #endif /* !_KERNEL */
  69
  70 #ifdef _KERNEL
  71 typedef enum {
  72         DA_STATE_PROBE_RC,
  73         DA_STATE_PROBE_RC16,
  74         DA_STATE_PROBE_LBP,
  75         DA_STATE_PROBE_BLK_LIMITS,
  76         DA_STATE_PROBE_BDC,
  77         DA_STATE_PROBE_ATA,
  78         DA_STATE_NORMAL
  79 } da_state;
  80
  81 typedef enum {
  82         DA_FLAG_PACK_INVALID    = 0x001,
  83         DA_FLAG_NEW_PACK        = 0x002,
  84         DA_FLAG_PACK_LOCKED     = 0x004,
  85         DA_FLAG_PACK_REMOVABLE  = 0x008,
  86         DA_FLAG_NEED_OTAG       = 0x020,
  87         DA_FLAG_WAS_OTAG        = 0x040,
  88         DA_FLAG_RETRY_UA        = 0x080,
  89         DA_FLAG_OPEN            = 0x100,
  90         DA_FLAG_SCTX_INIT       = 0x200,
  91         DA_FLAG_CAN_RC16        = 0x400,
  92         DA_FLAG_PROBED          = 0x800,
  93         DA_FLAG_DIRTY           = 0x1000,
  94         DA_FLAG_ANNOUNCED       = 0x2000
  95 } da_flags;
  96
  97 typedef enum {
  98         DA_Q_NONE               = 0x00,
  99         DA_Q_NO_SYNC_CACHE      = 0x01,
 100         DA_Q_NO_6_BYTE          = 0x02,
 101         DA_Q_NO_PREVENT         = 0x04,
 102         DA_Q_4K                 = 0x08,
 103         DA_Q_NO_RC16            = 0x10,
 104         DA_Q_NO_UNMAP           = 0x20,
 105         DA_Q_RETRY_BUSY         = 0x40
 106 } da_quirks;
 107
 108 #define DA_Q_BIT_STRING         \
 109         "\020"                  \
 110         "\001NO_SYNC_CACHE"     \
 111         "\002NO_6_BYTE"         \
 112         "\003NO_PREVENT"        \
 113         "\0044K"                \
 114         "\005NO_RC16"           \
 115         "\006NO_UNMAP"          \
 116         "\007RETRY_BUSY"
 117
 118 typedef enum {
 119         DA_CCB_PROBE_RC         = 0x01,
 120         DA_CCB_PROBE_RC16       = 0x02,
 121         DA_CCB_PROBE_LBP        = 0x03,
 122         DA_CCB_PROBE_BLK_LIMITS = 0x04,
 123         DA_CCB_PROBE_BDC        = 0x05,
 124         DA_CCB_PROBE_ATA        = 0x06,
 125         DA_CCB_BUFFER_IO        = 0x07,
 126         DA_CCB_DUMP             = 0x0A,
 127         DA_CCB_DELETE           = 0x0B,
 128         DA_CCB_TUR              = 0x0C,
 129         DA_CCB_TYPE_MASK        = 0x0F,
 130         DA_CCB_RETRY_UA         = 0x10
 131 } da_ccb_state;
 132
 133 /*
 134  * Order here is important for method choice
 135  *
 136  * We prefer ATA_TRIM as tests run against a Sandforce 2281 SSD attached to
 137  * LSI 2008 (mps) controller (FW: v12, Drv: v14) resulted 20% quicker deletes
 138  * using ATA_TRIM than the corresponding UNMAP results for a real world mysql
 139  * import taking 5mins.
 140  *
 141  */
 142 typedef enum {
 143         DA_DELETE_NONE,
 144         DA_DELETE_DISABLE,
 145         DA_DELETE_ATA_TRIM,
 146         DA_DELETE_UNMAP,
 147         DA_DELETE_WS16,
 148         DA_DELETE_WS10,
 149         DA_DELETE_ZERO,
 150         DA_DELETE_MIN = DA_DELETE_ATA_TRIM,
 151         DA_DELETE_MAX = DA_DELETE_ZERO
 152 } da_delete_methods;
 153
 154 typedef void da_delete_func_t (struct cam_periph *periph, union ccb *ccb,
 155                               struct bio *bp);
 156 static da_delete_func_t da_delete_trim;
 157 static da_delete_func_t da_delete_unmap;
 158 static da_delete_func_t da_delete_ws;
 159
 160 static const void * da_delete_functions[] = {
 161         NULL,
 162         NULL,
 163         da_delete_trim,
 164         da_delete_unmap,
 165         da_delete_ws,
 166         da_delete_ws,
 167         da_delete_ws
 168 };
 169
 170 static const char *da_delete_method_names[] =
 171     { "NONE", "DISABLE", "ATA_TRIM", "UNMAP", "WS16", "WS10", "ZERO" };
 172 static const char *da_delete_method_desc[] =
 173     { "NONE", "DISABLED", "ATA TRIM", "UNMAP", "WRITE SAME(16) with UNMAP",
 174       "WRITE SAME(10) with UNMAP", "ZERO" };
 175
 176 /* Offsets into our private area for storing information */
 177 #define ccb_state       ppriv_field0
 178 #define ccb_bp          ppriv_ptr1
 179
 180 struct disk_params {
 181         u_int8_t  heads;
 182         u_int32_t cylinders;
 183         u_int8_t  secs_per_track;
 184         u_int32_t secsize;      /* Number of bytes/sector */
 185         u_int64_t sectors;      /* total number sectors */
 186         u_int     stripesize;
 187         u_int     stripeoffset;
 188 };
 189
 190 #define UNMAP_RANGE_MAX         0xffffffff
 191 #define UNMAP_HEAD_SIZE         8
 192 #define UNMAP_RANGE_SIZE        16
 193 #define UNMAP_MAX_RANGES        2048 /* Protocol Max is 4095 */
 194 #define UNMAP_BUF_SIZE          ((UNMAP_MAX_RANGES * UNMAP_RANGE_SIZE) + \
 195                                 UNMAP_HEAD_SIZE)
 196
 197 #define WS10_MAX_BLKS           0xffff
 198 #define WS16_MAX_BLKS           0xffffffff
 199 #define ATA_TRIM_MAX_RANGES     ((UNMAP_BUF_SIZE / \
 200         (ATA_DSM_RANGE_SIZE * ATA_DSM_BLK_SIZE)) * ATA_DSM_BLK_SIZE)
 201
 202 struct da_softc {
 203         struct   bio_queue_head bio_queue;
 204         struct   bio_queue_head delete_queue;
 205         struct   bio_queue_head delete_run_queue;
 206         LIST_HEAD(, ccb_hdr) pending_ccbs;
 207         int      tur;                   /* TEST UNIT READY should be sent */
 208         int      refcount;              /* Active xpt_action() calls */
 209         da_state state;
 210         da_flags flags;
 211         da_quirks quirks;
 212         int      sort_io_queue;
 213         int      minimum_cmd_size;
 214         int      error_inject;
 215         int      trim_max_ranges;
 216         int      delete_running;
 217         int      delete_available;      /* Delete methods possibly available */
 218         u_int    maxio;
 219         uint32_t                unmap_max_ranges;
 220         uint32_t                unmap_max_lba; /* Max LBAs in UNMAP req */
 221         uint64_t                ws_max_blks;
 222         da_delete_methods       delete_method;
 223         da_delete_func_t        *delete_func;
 224         struct   disk_params params;
 225         struct   disk *disk;
 226         union    ccb saved_ccb;
 227         struct task             sysctl_task;
 228         struct sysctl_ctx_list  sysctl_ctx;
 229         struct sysctl_oid       *sysctl_tree;
 230         struct callout          sendordered_c;
 231         uint64_t wwpn;
 232         uint8_t  unmap_buf[UNMAP_BUF_SIZE];
 233         struct scsi_read_capacity_data_long rcaplong;
 234         struct callout          mediapoll_c;
 235 };
 236
 237 #define dadeleteflag(softc, delete_method, enable)                      \
 238         if (enable) {                                                   \
 239                 softc->delete_available |= (1 << delete_method);        \
 240         } else {                                                        \
 241                 softc->delete_available &= ~(1 << delete_method);       \
 242         }
 243
 244 struct da_quirk_entry {
 245         struct scsi_inquiry_pattern inq_pat;
 246         da_quirks quirks;
 247 };
 248
 249 static const char quantum[] = "QUANTUM";
 250 static const char microp[] = "MICROP";
 251
 252 static struct da_quirk_entry da_quirk_table[] =
 253 {
 254         /* SPI, FC devices */
 255         {
 256                 /*
 257                  * Fujitsu M2513A MO drives.
 258                  * Tested devices: M2513A2 firmware versions 1200 & 1300.
 259                  * (dip switch selects whether T_DIRECT or T_OPTICAL device)
 260                  * Reported by: W.Scholten <whs@xs4all.nl>
 261                  */
 262                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "FUJITSU", "M2513A", "*"},
 263                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 264         },
 265         {
 266                 /* See above. */
 267                 {T_OPTICAL, SIP_MEDIA_REMOVABLE, "FUJITSU", "M2513A", "*"},
 268                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 269         },
 270         {
 271                 /*
 272                  * This particular Fujitsu drive doesn't like the
 273                  * synchronize cache command.
 274                  * Reported by: Tom Jackson <toj@gorilla.net>
 275                  */
 276                 {T_DIRECT, SIP_MEDIA_FIXED, "FUJITSU", "M2954*", "*"},
 277                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 278         },
 279         {
 280                 /*
 281                  * This drive doesn't like the synchronize cache command
 282                  * either.  Reported by: Matthew Jacob <mjacob@feral.com>
 283                  * in NetBSD PR kern/6027, August 24, 1998.
 284                  */
 285                 {T_DIRECT, SIP_MEDIA_FIXED, microp, "2217*", "*"},
 286                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 287         },
 288         {
 289                 /*
 290                  * This drive doesn't like the synchronize cache command
 291                  * either.  Reported by: Hellmuth Michaelis (hm@kts.org)
 292                  * (PR 8882).
 293                  */
 294                 {T_DIRECT, SIP_MEDIA_FIXED, microp, "2112*", "*"},
 295                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 296         },
 297         {
 298                 /*
 299                  * Doesn't like the synchronize cache command.
 300                  * Reported by: Blaz Zupan <blaz@gold.amis.net>
 301                  */
 302                 {T_DIRECT, SIP_MEDIA_FIXED, "NEC", "D3847*", "*"},
 303                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 304         },
 305         {
 306                 /*
 307                  * Doesn't like the synchronize cache command.
 308                  * Reported by: Blaz Zupan <blaz@gold.amis.net>
 309                  */
 310                 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "MAVERICK 540S", "*"},
 311                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 312         },
 313         {
 314                 /*
 315                  * Doesn't like the synchronize cache command.
 316                  */
 317                 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "LPS525S", "*"},
 318                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 319         },
 320         {
 321                 /*
 322                  * Doesn't like the synchronize cache command.
 323                  * Reported by: walter@pelissero.de
 324                  */
 325                 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "LPS540S", "*"},
 326                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 327         },
 328         {
 329                 /*
 330                  * Doesn't work correctly with 6 byte reads/writes.
 331                  * Returns illegal request, and points to byte 9 of the
 332                  * 6-byte CDB.
 333                  * Reported by:  Adam McDougall <bsdx@spawnet.com>
 334                  */
 335                 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "VIKING 4*", "*"},
 336                 /*quirks*/ DA_Q_NO_6_BYTE
 337         },
 338         {
 339                 /* See above. */
 340                 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "VIKING 2*", "*"},
 341                 /*quirks*/ DA_Q_NO_6_BYTE
 342         },
 343         {
 344                 /*
 345                  * Doesn't like the synchronize cache command.
 346                  * Reported by: walter@pelissero.de
 347                  */
 348                 {T_DIRECT, SIP_MEDIA_FIXED, "CONNER", "CP3500*", "*"},
 349                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 350         },
 351         {
 352                 /*
 353                  * The CISS RAID controllers do not support SYNC_CACHE
 354                  */
 355                 {T_DIRECT, SIP_MEDIA_FIXED, "COMPAQ", "RAID*", "*"},
 356                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 357         },
 358         {
 359                 /*
 360                  * The STEC SSDs sometimes hang on UNMAP.
 361                  */
 362                 {T_DIRECT, SIP_MEDIA_FIXED, "STEC", "*", "*"},
 363                 /*quirks*/ DA_Q_NO_UNMAP
 364         },
 365         {
 366                 /*
 367                  * VMware returns BUSY status when storage has transient
 368                  * connectivity problems, so better wait.
 369                  */
 370                 {T_DIRECT, SIP_MEDIA_FIXED, "VMware", "Virtual disk", "*"},
 371                 /*quirks*/ DA_Q_RETRY_BUSY
 372         },
 373         /* USB mass storage devices supported by umass(4) */
 374         {
 375                 /*
 376                  * EXATELECOM (Sigmatel) i-Bead 100/105 USB Flash MP3 Player
 377                  * PR: kern/51675
 378                  */
 379                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "EXATEL", "i-BEAD10*", "*"},
 380                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 381         },
 382         {
 383                 /*
 384                  * Power Quotient Int. (PQI) USB flash key
 385                  * PR: kern/53067
 386                  */
 387                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "USB Flash Disk*",
 388                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 389         },
 390         {
 391                 /*
 392                  * Creative Nomad MUVO mp3 player (USB)
 393                  * PR: kern/53094
 394                  */
 395                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "CREATIVE", "NOMAD_MUVO", "*"},
 396                 /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT
 397         },
 398         {
 399                 /*
 400                  * Jungsoft NEXDISK USB flash key
 401                  * PR: kern/54737
 402                  */
 403                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "JUNGSOFT", "NEXDISK*", "*"},
 404                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 405         },
 406         {
 407                 /*
 408                  * FreeDik USB Mini Data Drive
 409                  * PR: kern/54786
 410                  */
 411                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "FreeDik*", "Mini Data Drive",
 412                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 413         },
 414         {
 415                 /*
 416                  * Sigmatel USB Flash MP3 Player
 417                  * PR: kern/57046
 418                  */
 419                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "SigmaTel", "MSCN", "*"},
 420                 /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT
 421         },
 422         {
 423                 /*
 424                  * Neuros USB Digital Audio Computer
 425                  * PR: kern/63645
 426                  */
 427                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "NEUROS", "dig. audio comp.",
 428                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 429         },
 430         {
 431                 /*
 432                  * SEAGRAND NP-900 MP3 Player
 433                  * PR: kern/64563
 434                  */
 435                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "SEAGRAND", "NP-900*", "*"},
 436                 /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT
 437         },
 438         {
 439                 /*
 440                  * iRiver iFP MP3 player (with UMS Firmware)
 441                  * PR: kern/54881, i386/63941, kern/66124
 442                  */
 443                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "iRiver", "iFP*", "*"},
 444                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 445         },
 446         {
 447                 /*
 448                  * Frontier Labs NEX IA+ Digital Audio Player, rev 1.10/0.01
 449                  * PR: kern/70158
 450                  */
 451                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "FL" , "Nex*", "*"},
 452                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 453         },
 454         {
 455                 /*
 456                  * ZICPlay USB MP3 Player with FM
 457                  * PR: kern/75057
 458                  */
 459                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "ACTIONS*" , "USB DISK*", "*"},
 460                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 461         },
 462         {
 463                 /*
 464                  * TEAC USB floppy mechanisms
 465                  */
 466                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "TEAC" , "FD-05*", "*"},
 467                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 468         },
 469         {
 470                 /*
 471                  * Kingston DataTraveler II+ USB Pen-Drive.
 472                  * Reported by: Pawel Jakub Dawidek <pjd@FreeBSD.org>
 473                  */
 474                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Kingston" , "DataTraveler II+",
 475                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 476         },
 477         {
 478                 /*
 479                  * USB DISK Pro PMAP
 480                  * Reported by: jhs
 481                  * PR: usb/96381
 482                  */
 483                 {T_DIRECT, SIP_MEDIA_REMOVABLE, " ", "USB DISK Pro", "PMAP"},
 484                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 485         },
 486         {
 487                 /*
 488                  * Motorola E398 Mobile Phone (TransFlash memory card).
 489                  * Reported by: Wojciech A. Koszek <dunstan@FreeBSD.czest.pl>
 490                  * PR: usb/89889
 491                  */
 492                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Motorola" , "Motorola Phone",
 493                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 494         },
 495         {
 496                 /*
 497                  * Qware BeatZkey! Pro
 498                  * PR: usb/79164
 499                  */
 500                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "GENERIC", "USB DISK DEVICE",
 501                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 502         },
 503         {
 504                 /*
 505                  * Time DPA20B 1GB MP3 Player
 506                  * PR: usb/81846
 507                  */
 508                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "USB2.0*", "(FS) FLASH DISK*",
 509                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 510         },
 511         {
 512                 /*
 513                  * Samsung USB key 128Mb
 514                  * PR: usb/90081
 515                  */
 516                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "USB-DISK", "FreeDik-FlashUsb",
 517                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 518         },
 519         {
 520                 /*
 521                  * Kingston DataTraveler 2.0 USB Flash memory.
 522                  * PR: usb/89196
 523                  */
 524                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Kingston", "DataTraveler 2.0",
 525                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 526         },
 527         {
 528                 /*
 529                  * Creative MUVO Slim mp3 player (USB)
 530                  * PR: usb/86131
 531                  */
 532                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "CREATIVE", "MuVo Slim",
 533                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT
 534                 },
 535         {
 536                 /*
 537                  * United MP5512 Portable MP3 Player (2-in-1 USB DISK/MP3)
 538                  * PR: usb/80487
 539                  */
 540                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "MUSIC DISK",
 541                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 542         },
 543         {
 544                 /*
 545                  * SanDisk Micro Cruzer 128MB
 546                  * PR: usb/75970
 547                  */
 548                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "SanDisk" , "Micro Cruzer",
 549                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 550         },
 551         {
 552                 /*
 553                  * TOSHIBA TransMemory USB sticks
 554                  * PR: kern/94660
 555                  */
 556                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "TOSHIBA", "TransMemory",
 557                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 558         },
 559         {
 560                 /*
 561                  * PNY USB 3.0 Flash Drives
 562                 */
 563                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "PNY", "USB 3.0 FD*",
 564                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE | DA_Q_NO_RC16
 565         },
 566         {
 567                 /*
 568                  * PNY USB Flash keys
 569                  * PR: usb/75578, usb/72344, usb/65436
 570                  */
 571                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "*" , "USB DISK*",
 572                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 573         },
 574         {
 575                 /*
 576                  * Genesys 6-in-1 Card Reader
 577                  * PR: usb/94647
 578                  */
 579                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "STORAGE DEVICE*",
 580                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 581         },
 582         {
 583                 /*
 584                  * Rekam Digital CAMERA
 585                  * PR: usb/98713
 586                  */
 587                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "CAMERA*", "4MP-9J6*",
 588                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 589         },
 590         {
 591                 /*
 592                  * iRiver H10 MP3 player
 593                  * PR: usb/102547
 594                  */
 595                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "iriver", "H10*",
 596                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 597         },
 598         {
 599                 /*
 600                  * iRiver U10 MP3 player
 601                  * PR: usb/92306
 602                  */
 603                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "iriver", "U10*",
 604                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 605         },
 606         {
 607                 /*
 608                  * X-Micro Flash Disk
 609                  * PR: usb/96901
 610                  */
 611                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "X-Micro", "Flash Disk",
 612                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 613         },
 614         {
 615                 /*
 616                  * EasyMP3 EM732X USB 2.0 Flash MP3 Player
 617                  * PR: usb/96546
 618                  */
 619                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "EM732X", "MP3 Player*",
 620                 "1.00"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 621         },
 622         {
 623                 /*
 624                  * Denver MP3 player
 625                  * PR: usb/107101
 626                  */
 627                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "DENVER", "MP3 PLAYER",
 628                  "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 629         },
 630         {
 631                 /*
 632                  * Philips USB Key Audio KEY013
 633                  * PR: usb/68412
 634                  */
 635                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "PHILIPS", "Key*", "*"},
 636                 /*quirks*/ DA_Q_NO_SYNC_CACHE | DA_Q_NO_PREVENT
 637         },
 638         {
 639                 /*
 640                  * JNC MP3 Player
 641                  * PR: usb/94439
 642                  */
 643                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "JNC*" , "MP3 Player*",
 644                  "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 645         },
 646         {
 647                 /*
 648                  * SAMSUNG MP0402H
 649                  * PR: usb/108427
 650                  */
 651                 {T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "MP0402H", "*"},
 652                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 653         },
 654         {
 655                 /*
 656                  * I/O Magic USB flash - Giga Bank
 657                  * PR: usb/108810
 658                  */
 659                 {T_DIRECT, SIP_MEDIA_FIXED, "GS-Magic", "stor*", "*"},
 660                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 661         },
 662         {
 663                 /*
 664                  * JoyFly 128mb USB Flash Drive
 665                  * PR: 96133
 666                  */
 667                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "USB 2.0", "Flash Disk*",
 668                  "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 669         },
 670         {
 671                 /*
 672                  * ChipsBnk usb stick
 673                  * PR: 103702
 674                  */
 675                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "ChipsBnk", "USB*",
 676                  "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 677         },
 678         {
 679                 /*
 680                  * Storcase (Kingston) InfoStation IFS FC2/SATA-R 201A
 681                  * PR: 129858
 682                  */
 683                 {T_DIRECT, SIP_MEDIA_FIXED, "IFS", "FC2/SATA-R*",
 684                  "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 685         },
 686         {
 687                 /*
 688                  * Samsung YP-U3 mp3-player
 689                  * PR: 125398
 690                  */
 691                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Samsung", "YP-U3",
 692                  "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 693         },
 694         {
 695                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Netac", "OnlyDisk*",
 696                  "2000"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 697         },
 698         {
 699                 /*
 700                  * Sony Cyber-Shot DSC cameras
 701                  * PR: usb/137035
 702                  */
 703                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Sony", "Sony DSC", "*"},
 704                 /*quirks*/ DA_Q_NO_SYNC_CACHE | DA_Q_NO_PREVENT
 705         },
 706         {
 707                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Kingston", "DataTraveler G3",
 708                  "1.00"}, /*quirks*/ DA_Q_NO_PREVENT
 709         },
 710         {
 711                 /* At least several Transcent USB sticks lie on RC16. */
 712                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "JetFlash", "Transcend*",
 713                  "*"}, /*quirks*/ DA_Q_NO_RC16
 714         },
 715         /* ATA/SATA devices over SAS/USB/... */
 716         {
 717                 /* Hitachi Advanced Format (4k) drives */
 718                 { T_DIRECT, SIP_MEDIA_FIXED, "Hitachi", "H??????????E3*", "*" },
 719                 /*quirks*/DA_Q_4K
 720         },
 721         {
 722                 /* Samsung Advanced Format (4k) drives */
 723                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SAMSUNG HD155UI*", "*" },
 724                 /*quirks*/DA_Q_4K
 725         },
 726         {
 727                 /* Samsung Advanced Format (4k) drives */
 728                 { T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "HD155UI*", "*" },
 729                 /*quirks*/DA_Q_4K
 730         },
 731         {
 732                 /* Samsung Advanced Format (4k) drives */
 733                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SAMSUNG HD204UI*", "*" },
 734                 /*quirks*/DA_Q_4K
 735         },
 736         {
 737                 /* Samsung Advanced Format (4k) drives */
 738                 { T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "HD204UI*", "*" },
 739                 /*quirks*/DA_Q_4K
 740         },
 741         {
 742                 /* Seagate Barracuda Green Advanced Format (4k) drives */
 743                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST????DL*", "*" },
 744                 /*quirks*/DA_Q_4K
 745         },
 746         {
 747                 /* Seagate Barracuda Green Advanced Format (4k) drives */
 748                 { T_DIRECT, SIP_MEDIA_FIXED, "ST????DL", "*", "*" },
 749                 /*quirks*/DA_Q_4K
 750         },
 751         {
 752                 /* Seagate Barracuda Green Advanced Format (4k) drives */
 753                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST???DM*", "*" },
 754                 /*quirks*/DA_Q_4K
 755         },
 756         {
 757                 /* Seagate Barracuda Green Advanced Format (4k) drives */
 758                 { T_DIRECT, SIP_MEDIA_FIXED, "ST???DM*", "*", "*" },
 759                 /*quirks*/DA_Q_4K
 760         },
 761         {
 762                 /* Seagate Barracuda Green Advanced Format (4k) drives */
 763                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST????DM*", "*" },
 764                 /*quirks*/DA_Q_4K
 765         },
 766         {
 767                 /* Seagate Barracuda Green Advanced Format (4k) drives */
 768                 { T_DIRECT, SIP_MEDIA_FIXED, "ST????DM", "*", "*" },
 769                 /*quirks*/DA_Q_4K
 770         },
 771         {
 772                 /* Seagate Momentus Advanced Format (4k) drives */
 773                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9500423AS*", "*" },
 774                 /*quirks*/DA_Q_4K
 775         },
 776         {
 777                 /* Seagate Momentus Advanced Format (4k) drives */
 778                 { T_DIRECT, SIP_MEDIA_FIXED, "ST950042", "3AS*", "*" },
 779                 /*quirks*/DA_Q_4K
 780         },
 781         {
 782                 /* Seagate Momentus Advanced Format (4k) drives */
 783                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9500424AS*", "*" },
 784                 /*quirks*/DA_Q_4K
 785         },
 786         {
 787                 /* Seagate Momentus Advanced Format (4k) drives */
 788                 { T_DIRECT, SIP_MEDIA_FIXED, "ST950042", "4AS*", "*" },
 789                 /*quirks*/DA_Q_4K
 790         },
 791         {
 792                 /* Seagate Momentus Advanced Format (4k) drives */
 793                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9640423AS*", "*" },
 794                 /*quirks*/DA_Q_4K
 795         },
 796         {
 797                 /* Seagate Momentus Advanced Format (4k) drives */
 798                 { T_DIRECT, SIP_MEDIA_FIXED, "ST964042", "3AS*", "*" },
 799                 /*quirks*/DA_Q_4K
 800         },
 801         {
 802                 /* Seagate Momentus Advanced Format (4k) drives */
 803                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9640424AS*", "*" },
 804                 /*quirks*/DA_Q_4K
 805         },
 806         {
 807                 /* Seagate Momentus Advanced Format (4k) drives */
 808                 { T_DIRECT, SIP_MEDIA_FIXED, "ST964042", "4AS*", "*" },
 809                 /*quirks*/DA_Q_4K
 810         },
 811         {
 812                 /* Seagate Momentus Advanced Format (4k) drives */
 813                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9750420AS*", "*" },
 814                 /*quirks*/DA_Q_4K
 815         },
 816         {
 817                 /* Seagate Momentus Advanced Format (4k) drives */
 818                 { T_DIRECT, SIP_MEDIA_FIXED, "ST975042", "0AS*", "*" },
 819                 /*quirks*/DA_Q_4K
 820         },
 821         {
 822                 /* Seagate Momentus Advanced Format (4k) drives */
 823                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9750422AS*", "*" },
 824                 /*quirks*/DA_Q_4K
 825         },
 826         {
 827                 /* Seagate Momentus Advanced Format (4k) drives */
 828                 { T_DIRECT, SIP_MEDIA_FIXED, "ST975042", "2AS*", "*" },
 829                 /*quirks*/DA_Q_4K
 830         },
 831         {
 832                 /* Seagate Momentus Advanced Format (4k) drives */
 833                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9750423AS*", "*" },
 834                 /*quirks*/DA_Q_4K
 835         },
 836         {
 837                 /* Seagate Momentus Advanced Format (4k) drives */
 838                 { T_DIRECT, SIP_MEDIA_FIXED, "ST975042", "3AS*", "*" },
 839                 /*quirks*/DA_Q_4K
 840         },
 841         {
 842                 /* Seagate Momentus Thin Advanced Format (4k) drives */
 843                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST???LT*", "*" },
 844                 /*quirks*/DA_Q_4K
 845         },
 846         {
 847                 /* Seagate Momentus Thin Advanced Format (4k) drives */
 848                 { T_DIRECT, SIP_MEDIA_FIXED, "ST???LT*", "*", "*" },
 849                 /*quirks*/DA_Q_4K
 850         },
 851         {
 852                 /* WDC Caviar Green Advanced Format (4k) drives */
 853                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD????RS*", "*" },
 854                 /*quirks*/DA_Q_4K
 855         },
 856         {
 857                 /* WDC Caviar Green Advanced Format (4k) drives */
 858                 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "??RS*", "*" },
 859                 /*quirks*/DA_Q_4K
 860         },
 861         {
 862                 /* WDC Caviar Green Advanced Format (4k) drives */
 863                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD????RX*", "*" },
 864                 /*quirks*/DA_Q_4K
 865         },
 866         {
 867                 /* WDC Caviar Green Advanced Format (4k) drives */
 868                 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "??RX*", "*" },
 869                 /*quirks*/DA_Q_4K
 870         },
 871         {
 872                 /* WDC Caviar Green Advanced Format (4k) drives */
 873                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD??????RS*", "*" },
 874                 /*quirks*/DA_Q_4K
 875         },
 876         {
 877                 /* WDC Caviar Green Advanced Format (4k) drives */
 878                 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "????RS*", "*" },
 879                 /*quirks*/DA_Q_4K
 880         },
 881         {
 882                 /* WDC Caviar Green Advanced Format (4k) drives */
 883                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD??????RX*", "*" },
 884                 /*quirks*/DA_Q_4K
 885         },
 886         {
 887                 /* WDC Caviar Green Advanced Format (4k) drives */
 888                 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "????RX*", "*" },
 889                 /*quirks*/DA_Q_4K
 890         },
 891         {
 892                 /* WDC Scorpio Black Advanced Format (4k) drives */
 893                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD???PKT*", "*" },
 894                 /*quirks*/DA_Q_4K
 895         },
 896         {
 897                 /* WDC Scorpio Black Advanced Format (4k) drives */
 898                 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "?PKT*", "*" },
 899                 /*quirks*/DA_Q_4K
 900         },
 901         {
 902                 /* WDC Scorpio Black Advanced Format (4k) drives */
 903                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD?????PKT*", "*" },
 904                 /*quirks*/DA_Q_4K
 905         },
 906         {
 907                 /* WDC Scorpio Black Advanced Format (4k) drives */
 908                 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "???PKT*", "*" },
 909                 /*quirks*/DA_Q_4K
 910         },
 911         {
 912                 /* WDC Scorpio Blue Advanced Format (4k) drives */
 913                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD???PVT*", "*" },
 914                 /*quirks*/DA_Q_4K
 915         },
 916         {
 917                 /* WDC Scorpio Blue Advanced Format (4k) drives */
 918                 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "?PVT*", "*" },
 919                 /*quirks*/DA_Q_4K
 920         },
 921         {
 922                 /* WDC Scorpio Blue Advanced Format (4k) drives */
 923                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD?????PVT*", "*" },
 924                 /*quirks*/DA_Q_4K
 925         },
 926         {
 927                 /* WDC Scorpio Blue Advanced Format (4k) drives */
 928                 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "???PVT*", "*" },
 929                 /*quirks*/DA_Q_4K
 930         },
 931         {
 932                 /*
 933                  * Olympus FE-210 camera
 934                  */
 935                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "OLYMPUS", "FE210*",
 936                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 937         },
 938         {
 939                 /*
 940                  * LG UP3S MP3 player
 941                  */
 942                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "LG", "UP3S",
 943                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 944         },
 945         {
 946                 /*
 947                  * Laser MP3-2GA13 MP3 player
 948                  */
 949                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "USB 2.0", "(HS) Flash Disk",
 950                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 951         },
 952         {
 953                 /*
 954                  * LaCie external 250GB Hard drive des by Porsche
 955                  * Submitted by: Ben Stuyts <ben@altesco.nl>
 956                  * PR: 121474
 957                  */
 958                 {T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "HM250JI", "*"},
 959                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 960         },
 961         /* SATA SSDs */
 962         {
 963                 /*
 964                  * Corsair Force 2 SSDs
 965                  * 4k optimised & trim only works in 4k requests + 4k aligned
 966                  */
 967                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Corsair CSSD-F*", "*" },
 968                 /*quirks*/DA_Q_4K
 969         },
 970         {
 971                 /*
 972                  * Corsair Force 3 SSDs
 973                  * 4k optimised & trim only works in 4k requests + 4k aligned
 974                  */
 975                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Corsair Force 3*", "*" },
 976                 /*quirks*/DA_Q_4K
 977         },
 978         {
 979                 /*
 980                  * Corsair Neutron GTX SSDs
 981                  * 4k optimised & trim only works in 4k requests + 4k aligned
 982                  */
 983                 { T_DIRECT, SIP_MEDIA_FIXED, "*", "Corsair Neutron GTX*", "*" },
 984                 /*quirks*/DA_Q_4K
 985         },
 986         {
 987                 /*
 988                  * Corsair Force GT & GS SSDs
 989                  * 4k optimised & trim only works in 4k requests + 4k aligned
 990                  */
 991                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Corsair Force G*", "*" },
 992                 /*quirks*/DA_Q_4K
 993         },
 994         {
 995                 /*
 996                  * Crucial M4 SSDs
 997                  * 4k optimised & trim only works in 4k requests + 4k aligned
 998                  */
 999                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "M4-CT???M4SSD2*", "*" },
1000                 /*quirks*/DA_Q_4K
1001         },
1002         {
1003                 /*
1004                  * Crucial RealSSD C300 SSDs
1005                  * 4k optimised
1006                  */
1007                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "C300-CTFDDAC???MAG*",
1008                 "*" }, /*quirks*/DA_Q_4K
1009         },
1010         {
1011                 /*
1012                  * Intel 320 Series SSDs
1013                  * 4k optimised & trim only works in 4k requests + 4k aligned
1014                  */
1015                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSA2CW*", "*" },
1016                 /*quirks*/DA_Q_4K
1017         },
1018         {
1019                 /*
1020                  * Intel 330 Series SSDs
1021                  * 4k optimised & trim only works in 4k requests + 4k aligned
1022                  */
1023                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSC2CT*", "*" },
1024                 /*quirks*/DA_Q_4K
1025         },
1026         {
1027                 /*
1028                  * Intel 510 Series SSDs
1029                  * 4k optimised & trim only works in 4k requests + 4k aligned
1030                  */
1031                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSC2MH*", "*" },
1032                 /*quirks*/DA_Q_4K
1033         },
1034         {
1035                 /*
1036                  * Intel 520 Series SSDs
1037                  * 4k optimised & trim only works in 4k requests + 4k aligned
1038                  */
1039                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSC2BW*", "*" },
1040                 /*quirks*/DA_Q_4K
1041         },
1042         {
1043                 /*
1044                  * Intel X25-M Series SSDs
1045                  * 4k optimised & trim only works in 4k requests + 4k aligned
1046                  */
1047                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSA2M*", "*" },
1048                 /*quirks*/DA_Q_4K
1049         },
1050         {
1051                 /*
1052                  * Kingston E100 Series SSDs
1053                  * 4k optimised & trim only works in 4k requests + 4k aligned
1054                  */
1055                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "KINGSTON SE100S3*", "*" },
1056                 /*quirks*/DA_Q_4K
1057         },
1058         {
1059                 /*
1060                  * Kingston HyperX 3k SSDs
1061                  * 4k optimised & trim only works in 4k requests + 4k aligned
1062                  */
1063                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "KINGSTON SH103S3*", "*" },
1064                 /*quirks*/DA_Q_4K
1065         },
1066         {
1067                 /*
1068                  * Marvell SSDs (entry taken from OpenSolaris)
1069                  * 4k optimised & trim only works in 4k requests + 4k aligned
1070                  */
1071                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "MARVELL SD88SA02*", "*" },
1072                 /*quirks*/DA_Q_4K
1073         },
1074         {
1075                 /*
1076                  * OCZ Agility 2 SSDs
1077                  * 4k optimised & trim only works in 4k requests + 4k aligned
1078                  */
1079                 { T_DIRECT, SIP_MEDIA_FIXED, "*", "OCZ-AGILITY2*", "*" },
1080                 /*quirks*/DA_Q_4K
1081         },
1082         {
1083                 /*
1084                  * OCZ Agility 3 SSDs
1085                  * 4k optimised & trim only works in 4k requests + 4k aligned
1086                  */
1087                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "OCZ-AGILITY3*", "*" },
1088                 /*quirks*/DA_Q_4K
1089         },
1090         {
1091                 /*
1092                  * OCZ Deneva R Series SSDs
1093                  * 4k optimised & trim only works in 4k requests + 4k aligned
1094                  */
1095                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "DENRSTE251M45*", "*" },
1096                 /*quirks*/DA_Q_4K
1097         },
1098         {
1099                 /*
1100                  * OCZ Vertex 2 SSDs (inc pro series)
1101                  * 4k optimised & trim only works in 4k requests + 4k aligned
1102                  */
1103                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "OCZ?VERTEX2*", "*" },
1104                 /*quirks*/DA_Q_4K
1105         },
1106         {
1107                 /*
1108                  * OCZ Vertex 3 SSDs
1109                  * 4k optimised & trim only works in 4k requests + 4k aligned
1110                  */
1111                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "OCZ-VERTEX3*", "*" },
1112                 /*quirks*/DA_Q_4K
1113         },
1114         {
1115                 /*
1116                  * OCZ Vertex 4 SSDs
1117                  * 4k optimised & trim only works in 4k requests + 4k aligned
1118                  */
1119                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "OCZ-VERTEX4*", "*" },
1120                 /*quirks*/DA_Q_4K
1121         },
1122         {
1123                 /*
1124                  * Samsung 830 Series SSDs
1125                  * 4k optimised & trim only works in 4k requests + 4k aligned
1126                  */
1127                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SAMSUNG SSD 830 Series*", "*" },
1128                 /*quirks*/DA_Q_4K
1129         },
1130         {
1131                 /*
1132                  * Samsung 840 SSDs
1133                  * 4k optimised & trim only works in 4k requests + 4k aligned
1134                  */
1135                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Samsung SSD 840*", "*" },
1136                 /*quirks*/DA_Q_4K
1137         },
1138         {
1139                 /*
1140                  * Samsung 843T Series SSDs
1141                  * 4k optimised
1142                  */
1143                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SAMSUNG MZ7WD*", "*" },
1144                 /*quirks*/DA_Q_4K
1145         },
1146         {
1147                 /*
1148                  * Samsung 850 SSDs
1149                  * 4k optimised & trim only works in 4k requests + 4k aligned
1150                  */
1151                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Samsung SSD 850*", "*" },
1152                 /*quirks*/DA_Q_4K
1153         },
1154         {
1155                 /*
1156                  * Samsung PM853T Series SSDs
1157                  * 4k optimised
1158                  */
1159                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SAMSUNG MZ7GE*", "*" },
1160                 /*quirks*/DA_Q_4K
1161         },
1162         {
1163                 /*
1164                  * SuperTalent TeraDrive CT SSDs
1165                  * 4k optimised & trim only works in 4k requests + 4k aligned
1166                  */
1167                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "FTM??CT25H*", "*" },
1168                 /*quirks*/DA_Q_4K
1169         },
1170         {
1171                 /*
1172                  * XceedIOPS SATA SSDs
1173                  * 4k optimised
1174                  */
1175                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SG9XCS2D*", "*" },
1176                 /*quirks*/DA_Q_4K
1177         },
1178         {
1179                 /*
1180                  * Hama Innostor USB-Stick
1181                  */
1182                 { T_DIRECT, SIP_MEDIA_REMOVABLE, "Innostor", "Innostor*", "*" },
1183                 /*quirks*/DA_Q_NO_RC16
1184         },
1185         {
1186                 /*
1187                  * MX-ES USB Drive by Mach Xtreme
1188                  */
1189                 { T_DIRECT, SIP_MEDIA_REMOVABLE, "MX", "MXUB3*", "*"},
1190                 /*quirks*/DA_Q_NO_RC16
1191         },
1192 };
1193
1194 static  disk_strategy_t dastrategy;
1195 static  dumper_t        dadump;
1196 static  periph_init_t   dainit;
1197 static  void            daasync(void *callback_arg, u_int32_t code,
1198                                 struct cam_path *path, void *arg);
1199 static  void            dasysctlinit(void *context, int pending);
1200 static  int             dacmdsizesysctl(SYSCTL_HANDLER_ARGS);
1201 static  int             dadeletemethodsysctl(SYSCTL_HANDLER_ARGS);
1202 static  int             dadeletemaxsysctl(SYSCTL_HANDLER_ARGS);
1203 static  void            dadeletemethodset(struct da_softc *softc,
1204                                           da_delete_methods delete_method);
1205 static  off_t           dadeletemaxsize(struct da_softc *softc,
1206                                         da_delete_methods delete_method);
1207 static  void            dadeletemethodchoose(struct da_softc *softc,
1208                                              da_delete_methods default_method);
1209 static  void            daprobedone(struct cam_periph *periph, union ccb *ccb);
1210
1211 static  periph_ctor_t   daregister;
1212 static  periph_dtor_t   dacleanup;
1213 static  periph_start_t  dastart;
1214 static  periph_oninv_t  daoninvalidate;
1215 static  void            dadone(struct cam_periph *periph,
1216                                union ccb *done_ccb);
1217 static  int             daerror(union ccb *ccb, u_int32_t cam_flags,
1218                                 u_int32_t sense_flags);
1219 static void             daprevent(struct cam_periph *periph, int action);
1220 static void             dareprobe(struct cam_periph *periph);
1221 static void             dasetgeom(struct cam_periph *periph, uint32_t block_len,
1222                                   uint64_t maxsector,
1223                                   struct scsi_read_capacity_data_long *rcaplong,
1224                                   size_t rcap_size);
1225 static timeout_t        dasendorderedtag;
1226 static void             dashutdown(void *arg, int howto);
1227 static timeout_t        damediapoll;
1228
1229 #ifndef DA_DEFAULT_POLL_PERIOD
1230 #define DA_DEFAULT_POLL_PERIOD  3
1231 #endif
1232
1233 #ifndef DA_DEFAULT_TIMEOUT
1234 #define DA_DEFAULT_TIMEOUT 60   /* Timeout in seconds */
1235 #endif
1236
1237 #ifndef DA_DEFAULT_RETRY
1238 #define DA_DEFAULT_RETRY        4
1239 #endif
1240
1241 #ifndef DA_DEFAULT_SEND_ORDERED
1242 #define DA_DEFAULT_SEND_ORDERED 1
1243 #endif
1244
1245 #define DA_SIO (softc->sort_io_queue >= 0 ? \
1246     softc->sort_io_queue : cam_sort_io_queues)
1247
1248 static int da_poll_period = DA_DEFAULT_POLL_PERIOD;
1249 static int da_retry_count = DA_DEFAULT_RETRY;
1250 static int da_default_timeout = DA_DEFAULT_TIMEOUT;
1251 static int da_send_ordered = DA_DEFAULT_SEND_ORDERED;
1252
1253 static SYSCTL_NODE(_kern_cam, OID_AUTO, da, CTLFLAG_RD, 0,
1254             "CAM Direct Access Disk driver");
1255 SYSCTL_INT(_kern_cam_da, OID_AUTO, poll_period, CTLFLAG_RW,
1256            &da_poll_period, 0, "Media polling period in seconds");
1257 TUNABLE_INT("kern.cam.da.poll_period", &da_poll_period);
1258 SYSCTL_INT(_kern_cam_da, OID_AUTO, retry_count, CTLFLAG_RW,
1259            &da_retry_count, 0, "Normal I/O retry count");
1260 TUNABLE_INT("kern.cam.da.retry_count", &da_retry_count);
1261 SYSCTL_INT(_kern_cam_da, OID_AUTO, default_timeout, CTLFLAG_RW,
1262            &da_default_timeout, 0, "Normal I/O timeout (in seconds)");
1263 TUNABLE_INT("kern.cam.da.default_timeout", &da_default_timeout);
1264 SYSCTL_INT(_kern_cam_da, OID_AUTO, send_ordered, CTLFLAG_RW,
1265            &da_send_ordered, 0, "Send Ordered Tags");
1266 TUNABLE_INT("kern.cam.da.send_ordered", &da_send_ordered);
1267
1268 /*
1269  * DA_ORDEREDTAG_INTERVAL determines how often, relative
1270  * to the default timeout, we check to see whether an ordered
1271  * tagged transaction is appropriate to prevent simple tag
1272  * starvation.  Since we'd like to ensure that there is at least
1273  * 1/2 of the timeout length left for a starved transaction to
1274  * complete after we've sent an ordered tag, we must poll at least
1275  * four times in every timeout period.  This takes care of the worst
1276  * case where a starved transaction starts during an interval that
1277  * meets the requirement "don't send an ordered tag" test so it takes
1278  * us two intervals to determine that a tag must be sent.
1279  */
1280 #ifndef DA_ORDEREDTAG_INTERVAL
1281 #define DA_ORDEREDTAG_INTERVAL 4
1282 #endif
1283
1284 static struct periph_driver dadriver =
1285 {
1286         dainit, "da",
1287         TAILQ_HEAD_INITIALIZER(dadriver.units), /* generation */ 0
1288 };
1289
1290 PERIPHDRIVER_DECLARE(da, dadriver);
1291
1292 static MALLOC_DEFINE(M_SCSIDA, "scsi_da", "scsi_da buffers");
1293
1294 static int
1295 daopen(struct disk *dp)
1296 {
1297         struct cam_periph *periph;
1298         struct da_softc *softc;
1299         int error;
1300
1301         periph = (struct cam_periph *)dp->d_drv1;
1302         if (cam_periph_acquire(periph) != CAM_REQ_CMP) {
1303                 return (ENXIO);
1304         }
1305
1306         cam_periph_lock(periph);
1307         if ((error = cam_periph_hold(periph, PRIBIO|PCATCH)) != 0) {
1308                 cam_periph_unlock(periph);
1309                 cam_periph_release(periph);
1310                 return (error);
1311         }
1312
1313         CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH,
1314             ("daopen\n"));
1315
1316         softc = (struct da_softc *)periph->softc;
1317         dareprobe(periph);
1318
1319         /* Wait for the disk size update.  */
1320         error = cam_periph_sleep(periph, &softc->disk->d_mediasize, PRIBIO,
1321             "dareprobe", 0);
1322         if (error != 0)
1323                 xpt_print(periph->path, "unable to retrieve capacity data\n");
1324
1325         if (periph->flags & CAM_PERIPH_INVALID)
1326                 error = ENXIO;
1327
1328         if (error == 0 && (softc->flags & DA_FLAG_PACK_REMOVABLE) != 0 &&
1329             (softc->quirks & DA_Q_NO_PREVENT) == 0)
1330                 daprevent(periph, PR_PREVENT);
1331
1332         if (error == 0) {
1333                 softc->flags &= ~DA_FLAG_PACK_INVALID;
1334                 softc->flags |= DA_FLAG_OPEN;
1335         }
1336
1337         cam_periph_unhold(periph);
1338         cam_periph_unlock(periph);
1339
1340         if (error != 0)
1341                 cam_periph_release(periph);
1342
1343         return (error);
1344 }
1345
1346 static int
1347 daclose(struct disk *dp)
1348 {
1349         struct  cam_periph *periph;
1350         struct  da_softc *softc;
1351         union   ccb *ccb;
1352         int error;
1353
1354         periph = (struct cam_periph *)dp->d_drv1;
1355         softc = (struct da_softc *)periph->softc;
1356         cam_periph_lock(periph);
1357         CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH,
1358             ("daclose\n"));
1359
1360         if (cam_periph_hold(periph, PRIBIO) == 0) {
1361
1362                 /* Flush disk cache. */
1363                 if ((softc->flags & DA_FLAG_DIRTY) != 0 &&
1364                     (softc->quirks & DA_Q_NO_SYNC_CACHE) == 0 &&
1365                     (softc->flags & DA_FLAG_PACK_INVALID) == 0) {
1366                         ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
1367                         scsi_synchronize_cache(&ccb->csio, /*retries*/1,
1368                             /*cbfcnp*/dadone, MSG_SIMPLE_Q_TAG,
1369                             /*begin_lba*/0, /*lb_count*/0, SSD_FULL_SIZE,
1370                             5 * 60 * 1000);
1371                         error = cam_periph_runccb(ccb, daerror, /*cam_flags*/0,
1372                             /*sense_flags*/SF_RETRY_UA | SF_QUIET_IR,
1373                             softc->disk->d_devstat);
1374                         if (error == 0)
1375                                 softc->flags &= ~DA_FLAG_DIRTY;
1376                         xpt_release_ccb(ccb);
1377                 }
1378
1379                 /* Allow medium removal. */
1380                 if ((softc->flags & DA_FLAG_PACK_REMOVABLE) != 0 &&
1381                     (softc->quirks & DA_Q_NO_PREVENT) == 0)
1382                         daprevent(periph, PR_ALLOW);
1383
1384                 cam_periph_unhold(periph);
1385         }
1386
1387         /*
1388          * If we've got removeable media, mark the blocksize as
1389          * unavailable, since it could change when new media is
1390          * inserted.
1391          */
1392         if ((softc->flags & DA_FLAG_PACK_REMOVABLE) != 0)
1393                 softc->disk->d_devstat->flags |= DEVSTAT_BS_UNAVAILABLE;
1394
1395         softc->flags &= ~DA_FLAG_OPEN;
1396         while (softc->refcount != 0)
1397                 cam_periph_sleep(periph, &softc->refcount, PRIBIO, "daclose", 1);
1398         cam_periph_unlock(periph);
1399         cam_periph_release(periph);
1400         return (0);
1401 }
1402
1403 static void
1404 daschedule(struct cam_periph *periph)
1405 {
1406         struct da_softc *softc = (struct da_softc *)periph->softc;
1407
1408         if (softc->state != DA_STATE_NORMAL)
1409                 return;
1410
1411         /* Check if we have more work to do. */
1412         if (bioq_first(&softc->bio_queue) ||
1413             (!softc->delete_running && bioq_first(&softc->delete_queue)) ||
1414             softc->tur) {
1415                 xpt_schedule(periph, CAM_PRIORITY_NORMAL);
1416         }
1417 }
1418
1419 /*
1420  * Actually translate the requested transfer into one the physical driver
1421  * can understand.  The transfer is described by a buf and will include
1422  * only one physical transfer.
1423  */
1424 static void
1425 dastrategy(struct bio *bp)
1426 {
1427         struct cam_periph *periph;
1428         struct da_softc *softc;
1429
1430         periph = (struct cam_periph *)bp->bio_disk->d_drv1;
1431         softc = (struct da_softc *)periph->softc;
1432
1433         cam_periph_lock(periph);
1434
1435         /*
1436          * If the device has been made invalid, error out
1437          */
1438         if ((softc->flags & DA_FLAG_PACK_INVALID)) {
1439                 cam_periph_unlock(periph);
1440                 biofinish(bp, NULL, ENXIO);
1441                 return;
1442         }
1443
1444         CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dastrategy(%p)\n", bp));
1445
1446         /*
1447          * Place it in the queue of disk activities for this disk
1448          */
1449         if (bp->bio_cmd == BIO_DELETE) {
1450                 bioq_disksort(&softc->delete_queue, bp);
1451         } else if (DA_SIO) {
1452                 bioq_disksort(&softc->bio_queue, bp);
1453         } else {
1454                 bioq_insert_tail(&softc->bio_queue, bp);
1455         }
1456
1457         /*
1458          * Schedule ourselves for performing the work.
1459          */
1460         daschedule(periph);
1461         cam_periph_unlock(periph);
1462
1463         return;
1464 }
1465
1466 static int
1467 dadump(void *arg, void *virtual, vm_offset_t physical, off_t offset, size_t length)
1468 {
1469         struct      cam_periph *periph;
1470         struct      da_softc *softc;
1471         u_int       secsize;
1472         struct      ccb_scsiio csio;
1473         struct      disk *dp;
1474         int         error = 0;
1475
1476         dp = arg;
1477         periph = dp->d_drv1;
1478         softc = (struct da_softc *)periph->softc;
1479         cam_periph_lock(periph);
1480         secsize = softc->params.secsize;
1481
1482         if ((softc->flags & DA_FLAG_PACK_INVALID) != 0) {
1483                 cam_periph_unlock(periph);
1484                 return (ENXIO);
1485         }
1486
1487         if (length > 0) {
1488                 xpt_setup_ccb(&csio.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
1489                 csio.ccb_h.ccb_state = DA_CCB_DUMP;
1490                 scsi_read_write(&csio,
1491                                 /*retries*/0,
1492                                 dadone,
1493                                 MSG_ORDERED_Q_TAG,
1494                                 /*read*/SCSI_RW_WRITE,
1495                                 /*byte2*/0,
1496                                 /*minimum_cmd_size*/ softc->minimum_cmd_size,
1497                                 offset / secsize,
1498                                 length / secsize,
1499                                 /*data_ptr*/(u_int8_t *) virtual,
1500                                 /*dxfer_len*/length,
1501                                 /*sense_len*/SSD_FULL_SIZE,
1502                                 da_default_timeout * 1000);
1503                 xpt_polled_action((union ccb *)&csio);
1504
1505                 error = cam_periph_error((union ccb *)&csio,
1506                     0, SF_NO_RECOVERY | SF_NO_RETRY, NULL);
1507                 if ((csio.ccb_h.status & CAM_DEV_QFRZN) != 0)
1508                         cam_release_devq(csio.ccb_h.path, /*relsim_flags*/0,
1509                             /*reduction*/0, /*timeout*/0, /*getcount_only*/0);
1510                 if (error != 0)
1511                         printf("Aborting dump due to I/O error.\n");
1512                 cam_periph_unlock(periph);
1513                 return (error);
1514         }
1515
1516         /*
1517          * Sync the disk cache contents to the physical media.
1518          */
1519         if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) {
1520
1521                 xpt_setup_ccb(&csio.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
1522                 csio.ccb_h.ccb_state = DA_CCB_DUMP;
1523                 scsi_synchronize_cache(&csio,
1524                                        /*retries*/0,
1525                                        /*cbfcnp*/dadone,
1526                                        MSG_SIMPLE_Q_TAG,
1527                                        /*begin_lba*/0,/* Cover the whole disk */
1528                                        /*lb_count*/0,
1529                                        SSD_FULL_SIZE,
1530                                        5 * 60 * 1000);
1531                 xpt_polled_action((union ccb *)&csio);
1532
1533                 error = cam_periph_error((union ccb *)&csio,
1534                     0, SF_NO_RECOVERY | SF_NO_RETRY | SF_QUIET_IR, NULL);
1535                 if ((csio.ccb_h.status & CAM_DEV_QFRZN) != 0)
1536                         cam_release_devq(csio.ccb_h.path, /*relsim_flags*/0,
1537                             /*reduction*/0, /*timeout*/0, /*getcount_only*/0);
1538                 if (error != 0)
1539                         xpt_print(periph->path, "Synchronize cache failed\n");
1540         }
1541         cam_periph_unlock(periph);
1542         return (error);
1543 }
1544
1545 static int
1546 dagetattr(struct bio *bp)
1547 {
1548         int ret;
1549         struct cam_periph *periph;
1550
1551         periph = (struct cam_periph *)bp->bio_disk->d_drv1;
1552         cam_periph_lock(periph);
1553         ret = xpt_getattr(bp->bio_data, bp->bio_length, bp->bio_attribute,
1554             periph->path);
1555         cam_periph_unlock(periph);
1556         if (ret == 0)
1557                 bp->bio_completed = bp->bio_length;
1558         return ret;
1559 }
1560
1561 static void
1562 dainit(void)
1563 {
1564         cam_status status;
1565
1566         /*
1567          * Install a global async callback.  This callback will
1568          * receive async callbacks like "new device found".
1569          */
1570         status = xpt_register_async(AC_FOUND_DEVICE, daasync, NULL, NULL);
1571
1572         if (status != CAM_REQ_CMP) {
1573                 printf("da: Failed to attach master async callback "
1574                        "due to status 0x%x!\n", status);
1575         } else if (da_send_ordered) {
1576
1577                 /* Register our shutdown event handler */
1578                 if ((EVENTHANDLER_REGISTER(shutdown_post_sync, dashutdown,
1579                                            NULL, SHUTDOWN_PRI_DEFAULT)) == NULL)
1580                     printf("dainit: shutdown event registration failed!\n");
1581         }
1582 }
1583
1584 /*
1585  * Callback from GEOM, called when it has finished cleaning up its
1586  * resources.
1587  */
1588 static void
1589 dadiskgonecb(struct disk *dp)
1590 {
1591         struct cam_periph *periph;
1592
1593         periph = (struct cam_periph *)dp->d_drv1;
1594         cam_periph_release(periph);
1595 }
1596
1597 static void
1598 daoninvalidate(struct cam_periph *periph)
1599 {
1600         struct da_softc *softc;
1601
1602         softc = (struct da_softc *)periph->softc;
1603
1604         /*
1605          * De-register any async callbacks.
1606          */
1607         xpt_register_async(0, daasync, periph, periph->path);
1608
1609         softc->flags |= DA_FLAG_PACK_INVALID;
1610
1611         /*
1612          * Return all queued I/O with ENXIO.
1613          * XXX Handle any transactions queued to the card
1614          *     with XPT_ABORT_CCB.
1615          */
1616         bioq_flush(&softc->bio_queue, NULL, ENXIO);
1617         bioq_flush(&softc->delete_queue, NULL, ENXIO);
1618
1619         /*
1620          * Tell GEOM that we've gone away, we'll get a callback when it is
1621          * done cleaning up its resources.
1622          */
1623         disk_gone(softc->disk);
1624 }
1625
1626 static void
1627 dacleanup(struct cam_periph *periph)
1628 {
1629         struct da_softc *softc;
1630
1631         softc = (struct da_softc *)periph->softc;
1632
1633         cam_periph_unlock(periph);
1634
1635         /*
1636          * If we can't free the sysctl tree, oh well...
1637          */
1638         if ((softc->flags & DA_FLAG_SCTX_INIT) != 0
1639             && sysctl_ctx_free(&softc->sysctl_ctx) != 0) {
1640                 xpt_print(periph->path, "can't remove sysctl context\n");
1641         }
1642
1643         callout_drain(&softc->mediapoll_c);
1644         disk_destroy(softc->disk);
1645         callout_drain(&softc->sendordered_c);
1646         free(softc, M_DEVBUF);
1647         cam_periph_lock(periph);
1648 }
1649
1650 static void
1651 daasync(void *callback_arg, u_int32_t code,
1652         struct cam_path *path, void *arg)
1653 {
1654         struct cam_periph *periph;
1655         struct da_softc *softc;
1656
1657         periph = (struct cam_periph *)callback_arg;
1658         switch (code) {
1659         case AC_FOUND_DEVICE:
1660         {
1661                 struct ccb_getdev *cgd;
1662                 cam_status status;
1663
1664                 cgd = (struct ccb_getdev *)arg;
1665                 if (cgd == NULL)
1666                         break;
1667
1668                 if (cgd->protocol != PROTO_SCSI)
1669                         break;
1670                 if (SID_QUAL(&cgd->inq_data) != SID_QUAL_LU_CONNECTED)
1671                         break;
1672                 if (SID_TYPE(&cgd->inq_data) != T_DIRECT
1673                     && SID_TYPE(&cgd->inq_data) != T_RBC
1674                     && SID_TYPE(&cgd->inq_data) != T_OPTICAL)
1675                         break;
1676
1677                 /*
1678                  * Allocate a peripheral instance for
1679                  * this device and start the probe
1680                  * process.
1681                  */
1682                 status = cam_periph_alloc(daregister, daoninvalidate,
1683                                           dacleanup, dastart,
1684                                           "da", CAM_PERIPH_BIO,
1685                                           path, daasync,
1686                                           AC_FOUND_DEVICE, cgd);
1687
1688                 if (status != CAM_REQ_CMP
1689                  && status != CAM_REQ_INPROG)
1690                         printf("daasync: Unable to attach to new device "
1691                                 "due to status 0x%x\n", status);
1692                 return;
1693         }
1694         case AC_ADVINFO_CHANGED:
1695         {
1696                 uintptr_t buftype;
1697
1698                 buftype = (uintptr_t)arg;
1699                 if (buftype == CDAI_TYPE_PHYS_PATH) {
1700                         struct da_softc *softc;
1701
1702                         softc = periph->softc;
1703                         disk_attr_changed(softc->disk, "GEOM::physpath",
1704                                           M_NOWAIT);
1705                 }
1706                 break;
1707         }
1708         case AC_UNIT_ATTENTION:
1709         {
1710                 union ccb *ccb;
1711                 int error_code, sense_key, asc, ascq;
1712
1713                 softc = (struct da_softc *)periph->softc;
1714                 ccb = (union ccb *)arg;
1715
1716                 /*
1717                  * Handle all UNIT ATTENTIONs except our own,
1718                  * as they will be handled by daerror().
1719                  */
1720                 if (xpt_path_periph(ccb->ccb_h.path) != periph &&
1721                     scsi_extract_sense_ccb(ccb,
1722                      &error_code, &sense_key, &asc, &ascq)) {
1723                         if (asc == 0x2A && ascq == 0x09) {
1724                                 xpt_print(ccb->ccb_h.path,
1725                                     "Capacity data has changed\n");
1726                                 softc->flags &= ~DA_FLAG_PROBED;
1727                                 dareprobe(periph);
1728                         } else if (asc == 0x28 && ascq == 0x00) {
1729                                 softc->flags &= ~DA_FLAG_PROBED;
1730                                 disk_media_changed(softc->disk, M_NOWAIT);
1731                         } else if (asc == 0x3F && ascq == 0x03) {
1732                                 xpt_print(ccb->ccb_h.path,
1733                                     "INQUIRY data has changed\n");
1734                                 softc->flags &= ~DA_FLAG_PROBED;
1735                                 dareprobe(periph);
1736                         }
1737                 }
1738                 cam_periph_async(periph, code, path, arg);
1739                 break;
1740         }
1741         case AC_SCSI_AEN:
1742                 softc = (struct da_softc *)periph->softc;
1743                 if (!softc->tur) {
1744                         if (cam_periph_acquire(periph) == CAM_REQ_CMP) {
1745                                 softc->tur = 1;
1746                                 daschedule(periph);
1747                         }
1748                 }
1749                 /* FALLTHROUGH */
1750         case AC_SENT_BDR:
1751         case AC_BUS_RESET:
1752         {
1753                 struct ccb_hdr *ccbh;
1754
1755                 softc = (struct da_softc *)periph->softc;
1756                 /*
1757                  * Don't fail on the expected unit attention
1758                  * that will occur.
1759                  */
1760                 softc->flags |= DA_FLAG_RETRY_UA;
1761                 LIST_FOREACH(ccbh, &softc->pending_ccbs, periph_links.le)
1762                         ccbh->ccb_state |= DA_CCB_RETRY_UA;
1763                 break;
1764         }
1765         default:
1766                 break;
1767         }
1768         cam_periph_async(periph, code, path, arg);
1769 }
1770
1771 static void
1772 dasysctlinit(void *context, int pending)
1773 {
1774         struct cam_periph *periph;
1775         struct da_softc *softc;
1776         char tmpstr[80], tmpstr2[80];
1777         struct ccb_trans_settings cts;
1778
1779         periph = (struct cam_periph *)context;
1780         /*
1781          * periph was held for us when this task was enqueued
1782          */
1783         if (periph->flags & CAM_PERIPH_INVALID) {
1784                 cam_periph_release(periph);
1785                 return;
1786         }
1787
1788         softc = (struct da_softc *)periph->softc;
1789         snprintf(tmpstr, sizeof(tmpstr), "CAM DA unit %d", periph->unit_number);
1790         snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number);
1791
1792         sysctl_ctx_init(&softc->sysctl_ctx);
1793         softc->flags |= DA_FLAG_SCTX_INIT;
1794         softc->sysctl_tree = SYSCTL_ADD_NODE(&softc->sysctl_ctx,
1795                 SYSCTL_STATIC_CHILDREN(_kern_cam_da), OID_AUTO, tmpstr2,
1796                 CTLFLAG_RD, 0, tmpstr);
1797         if (softc->sysctl_tree == NULL) {
1798                 printf("dasysctlinit: unable to allocate sysctl tree\n");
1799                 cam_periph_release(periph);
1800                 return;
1801         }
1802
1803         /*
1804          * Now register the sysctl handler, so the user can change the value on
1805          * the fly.
1806          */
1807         SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1808                 OID_AUTO, "delete_method", CTLTYPE_STRING | CTLFLAG_RW,
1809                 softc, 0, dadeletemethodsysctl, "A",
1810                 "BIO_DELETE execution method");
1811         SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1812                 OID_AUTO, "delete_max", CTLTYPE_U64 | CTLFLAG_RW,
1813                 softc, 0, dadeletemaxsysctl, "Q",
1814                 "Maximum BIO_DELETE size");
1815         SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1816                 OID_AUTO, "minimum_cmd_size", CTLTYPE_INT | CTLFLAG_RW,
1817                 &softc->minimum_cmd_size, 0, dacmdsizesysctl, "I",
1818                 "Minimum CDB size");
1819         SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1820                 OID_AUTO, "sort_io_queue", CTLFLAG_RW, &softc->sort_io_queue, 0,
1821                 "Sort IO queue to try and optimise disk access patterns");
1822
1823         SYSCTL_ADD_INT(&softc->sysctl_ctx,
1824                        SYSCTL_CHILDREN(softc->sysctl_tree),
1825                        OID_AUTO,
1826                        "error_inject",
1827                        CTLFLAG_RW,
1828                        &softc->error_inject,
1829                        0,
1830                        "error_inject leaf");
1831
1832
1833         /*
1834          * Add some addressing info.
1835          */
1836         memset(&cts, 0, sizeof (cts));
1837         xpt_setup_ccb(&cts.ccb_h, periph->path, CAM_PRIORITY_NONE);
1838         cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS;
1839         cts.type = CTS_TYPE_CURRENT_SETTINGS;
1840         cam_periph_lock(periph);
1841         xpt_action((union ccb *)&cts);
1842         cam_periph_unlock(periph);
1843         if (cts.ccb_h.status != CAM_REQ_CMP) {
1844                 cam_periph_release(periph);
1845                 return;
1846         }
1847         if (cts.protocol == PROTO_SCSI && cts.transport == XPORT_FC) {
1848                 struct ccb_trans_settings_fc *fc = &cts.xport_specific.fc;
1849                 if (fc->valid & CTS_FC_VALID_WWPN) {
1850                         softc->wwpn = fc->wwpn;
1851                         SYSCTL_ADD_UQUAD(&softc->sysctl_ctx,
1852                             SYSCTL_CHILDREN(softc->sysctl_tree),
1853                             OID_AUTO, "wwpn", CTLFLAG_RD,
1854                             &softc->wwpn, "World Wide Port Name");
1855                 }
1856         }
1857         cam_periph_release(periph);
1858 }
1859
1860 static int
1861 dadeletemaxsysctl(SYSCTL_HANDLER_ARGS)
1862 {
1863         int error;
1864         uint64_t value;
1865         struct da_softc *softc;
1866
1867         softc = (struct da_softc *)arg1;
1868
1869         value = softc->disk->d_delmaxsize;
1870         error = sysctl_handle_64(oidp, &value, 0, req);
1871         if ((error != 0) || (req->newptr == NULL))
1872                 return (error);
1873
1874         /* only accept values smaller than the calculated value */
1875         if (value > dadeletemaxsize(softc, softc->delete_method)) {
1876                 return (EINVAL);
1877         }
1878         softc->disk->d_delmaxsize = value;
1879
1880         return (0);
1881 }
1882
1883 static int
1884 dacmdsizesysctl(SYSCTL_HANDLER_ARGS)
1885 {
1886         int error, value;
1887
1888         value = *(int *)arg1;
1889
1890         error = sysctl_handle_int(oidp, &value, 0, req);
1891
1892         if ((error != 0)
1893          || (req->newptr == NULL))
1894                 return (error);
1895
1896         /*
1897          * Acceptable values here are 6, 10, 12 or 16.
1898          */
1899         if (value < 6)
1900                 value = 6;
1901         else if ((value > 6)
1902               && (value <= 10))
1903                 value = 10;
1904         else if ((value > 10)
1905               && (value <= 12))
1906                 value = 12;
1907         else if (value > 12)
1908                 value = 16;
1909
1910         *(int *)arg1 = value;
1911
1912         return (0);
1913 }
1914
1915 static void
1916 dadeletemethodset(struct da_softc *softc, da_delete_methods delete_method)
1917 {
1918
1919
1920         softc->delete_method = delete_method;
1921         softc->disk->d_delmaxsize = dadeletemaxsize(softc, delete_method);
1922         softc->delete_func = da_delete_functions[delete_method];
1923
1924         if (softc->delete_method > DA_DELETE_DISABLE)
1925                 softc->disk->d_flags |= DISKFLAG_CANDELETE;
1926         else
1927                 softc->disk->d_flags &= ~DISKFLAG_CANDELETE;
1928 }
1929
1930 static off_t
1931 dadeletemaxsize(struct da_softc *softc, da_delete_methods delete_method)
1932 {
1933         off_t sectors;
1934
1935         switch(delete_method) {
1936         case DA_DELETE_UNMAP:
1937                 sectors = (off_t)softc->unmap_max_lba;
1938                 break;
1939         case DA_DELETE_ATA_TRIM:
1940                 sectors = (off_t)ATA_DSM_RANGE_MAX * softc->trim_max_ranges;
1941                 break;
1942         case DA_DELETE_WS16:
1943                 sectors = omin(softc->ws_max_blks, WS16_MAX_BLKS);
1944                 break;
1945         case DA_DELETE_ZERO:
1946         case DA_DELETE_WS10:
1947                 sectors = omin(softc->ws_max_blks, WS10_MAX_BLKS);
1948                 break;
1949         default:
1950                 return 0;
1951         }
1952
1953         return (off_t)softc->params.secsize *
1954             omin(sectors, softc->params.sectors);
1955 }
1956
1957 static void
1958 daprobedone(struct cam_periph *periph, union ccb *ccb)
1959 {
1960         struct da_softc *softc;
1961
1962         softc = (struct da_softc *)periph->softc;
1963
1964         dadeletemethodchoose(softc, DA_DELETE_NONE);
1965
1966         if (bootverbose && (softc->flags & DA_FLAG_ANNOUNCED) == 0) {
1967                 char buf[80];
1968                 int i, sep;
1969
1970                 snprintf(buf, sizeof(buf), "Delete methods: <");
1971                 sep = 0;
1972                 for (i = DA_DELETE_MIN; i <= DA_DELETE_MAX; i++) {
1973                         if (softc->delete_available & (1 << i)) {
1974                                 if (sep) {
1975                                         strlcat(buf, ",", sizeof(buf));
1976                                 } else {
1977                                     sep = 1;
1978                                 }
1979                                 strlcat(buf, da_delete_method_names[i],
1980                                     sizeof(buf));
1981                                 if (i == softc->delete_method) {
1982                                         strlcat(buf, "(*)", sizeof(buf));
1983                                 }
1984                         }
1985                 }
1986                 if (sep == 0) {
1987                         if (softc->delete_method == DA_DELETE_NONE)
1988                                 strlcat(buf, "NONE(*)", sizeof(buf));
1989                         else
1990                                 strlcat(buf, "DISABLED(*)", sizeof(buf));
1991                 }
1992                 strlcat(buf, ">", sizeof(buf));
1993                 printf("%s%d: %s\n", periph->periph_name,
1994                     periph->unit_number, buf);
1995         }
1996
1997         /*
1998          * Since our peripheral may be invalidated by an error
1999          * above or an external event, we must release our CCB
2000          * before releasing the probe lock on the peripheral.
2001          * The peripheral will only go away once the last lock
2002          * is removed, and we need it around for the CCB release
2003          * operation.
2004          */
2005         xpt_release_ccb(ccb);
2006         softc->state = DA_STATE_NORMAL;
2007         softc->flags |= DA_FLAG_PROBED;
2008         daschedule(periph);
2009         wakeup(&softc->disk->d_mediasize);
2010         if ((softc->flags & DA_FLAG_ANNOUNCED) == 0) {
2011                 softc->flags |= DA_FLAG_ANNOUNCED;
2012                 cam_periph_unhold(periph);
2013         } else
2014                 cam_periph_release_locked(periph);
2015 }
2016
2017 static void
2018 dadeletemethodchoose(struct da_softc *softc, da_delete_methods default_method)
2019 {
2020         int i, delete_method;
2021
2022         delete_method = default_method;
2023
2024         /*
2025          * Use the pre-defined order to choose the best
2026          * performing delete.
2027          */
2028         for (i = DA_DELETE_MIN; i <= DA_DELETE_MAX; i++) {
2029                 if (softc->delete_available & (1 << i)) {
2030                         dadeletemethodset(softc, i);
2031                         return;
2032                 }
2033         }
2034         dadeletemethodset(softc, delete_method);
2035 }
2036
2037 static int
2038 dadeletemethodsysctl(SYSCTL_HANDLER_ARGS)
2039 {
2040         char buf[16];
2041         const char *p;
2042         struct da_softc *softc;
2043         int i, error, methods, value;
2044
2045         softc = (struct da_softc *)arg1;
2046
2047         value = softc->delete_method;
2048         if (value < 0 || value > DA_DELETE_MAX)
2049                 p = "UNKNOWN";
2050         else
2051                 p = da_delete_method_names[value];
2052         strncpy(buf, p, sizeof(buf));
2053         error = sysctl_handle_string(oidp, buf, sizeof(buf), req);
2054         if (error != 0 || req->newptr == NULL)
2055                 return (error);
2056         methods = softc->delete_available | (1 << DA_DELETE_DISABLE);
2057         for (i = 0; i <= DA_DELETE_MAX; i++) {
2058                 if (!(methods & (1 << i)) ||
2059                     strcmp(buf, da_delete_method_names[i]) != 0)
2060                         continue;
2061                 dadeletemethodset(softc, i);
2062                 return (0);
2063         }
2064         return (EINVAL);
2065 }
2066
2067 static cam_status
2068 daregister(struct cam_periph *periph, void *arg)
2069 {
2070         struct da_softc *softc;
2071         struct ccb_pathinq cpi;
2072         struct ccb_getdev *cgd;
2073         char tmpstr[80];
2074         caddr_t match;
2075
2076         cgd = (struct ccb_getdev *)arg;
2077         if (cgd == NULL) {
2078                 printf("daregister: no getdev CCB, can't register device\n");
2079                 return(CAM_REQ_CMP_ERR);
2080         }
2081
2082         softc = (struct da_softc *)malloc(sizeof(*softc), M_DEVBUF,
2083             M_NOWAIT|M_ZERO);
2084
2085         if (softc == NULL) {
2086                 printf("daregister: Unable to probe new device. "
2087                        "Unable to allocate softc\n");
2088                 return(CAM_REQ_CMP_ERR);
2089         }
2090
2091         LIST_INIT(&softc->pending_ccbs);
2092         softc->state = DA_STATE_PROBE_RC;
2093         bioq_init(&softc->bio_queue);
2094         bioq_init(&softc->delete_queue);
2095         bioq_init(&softc->delete_run_queue);
2096         if (SID_IS_REMOVABLE(&cgd->inq_data))
2097                 softc->flags |= DA_FLAG_PACK_REMOVABLE;
2098         softc->unmap_max_ranges = UNMAP_MAX_RANGES;
2099         softc->unmap_max_lba = UNMAP_RANGE_MAX;
2100         softc->ws_max_blks = WS16_MAX_BLKS;
2101         softc->trim_max_ranges = ATA_TRIM_MAX_RANGES;
2102         softc->sort_io_queue = -1;
2103
2104         periph->softc = softc;
2105
2106         /*
2107          * See if this device has any quirks.
2108          */
2109         match = cam_quirkmatch((caddr_t)&cgd->inq_data,
2110                                (caddr_t)da_quirk_table,
2111                                sizeof(da_quirk_table)/sizeof(*da_quirk_table),
2112                                sizeof(*da_quirk_table), scsi_inquiry_match);
2113
2114         if (match != NULL)
2115                 softc->quirks = ((struct da_quirk_entry *)match)->quirks;
2116         else
2117                 softc->quirks = DA_Q_NONE;
2118
2119         /* Check if the SIM does not want 6 byte commands */
2120         bzero(&cpi, sizeof(cpi));
2121         xpt_setup_ccb(&cpi.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
2122         cpi.ccb_h.func_code = XPT_PATH_INQ;
2123         xpt_action((union ccb *)&cpi);
2124         if (cpi.ccb_h.status == CAM_REQ_CMP && (cpi.hba_misc & PIM_NO_6_BYTE))
2125                 softc->quirks |= DA_Q_NO_6_BYTE;
2126
2127         TASK_INIT(&softc->sysctl_task, 0, dasysctlinit, periph);
2128
2129         /*
2130          * Take an exclusive refcount on the periph while dastart is called
2131          * to finish the probe.  The reference will be dropped in dadone at
2132          * the end of probe.
2133          */
2134         (void)cam_periph_hold(periph, PRIBIO);
2135
2136         /*
2137          * Schedule a periodic event to occasionally send an
2138          * ordered tag to a device.
2139          */
2140         callout_init_mtx(&softc->sendordered_c, cam_periph_mtx(periph), 0);
2141         callout_reset(&softc->sendordered_c,
2142             (da_default_timeout * hz) / DA_ORDEREDTAG_INTERVAL,
2143             dasendorderedtag, softc);
2144
2145         cam_periph_unlock(periph);
2146         /*
2147          * RBC devices don't have to support READ(6), only READ(10).
2148          */
2149         if (softc->quirks & DA_Q_NO_6_BYTE || SID_TYPE(&cgd->inq_data) == T_RBC)
2150                 softc->minimum_cmd_size = 10;
2151         else
2152                 softc->minimum_cmd_size = 6;
2153
2154         /*
2155          * Load the user's default, if any.
2156          */
2157         snprintf(tmpstr, sizeof(tmpstr), "kern.cam.da.%d.minimum_cmd_size",
2158                  periph->unit_number);
2159         TUNABLE_INT_FETCH(tmpstr, &softc->minimum_cmd_size);
2160
2161         /*
2162          * 6, 10, 12 and 16 are the currently permissible values.
2163          */
2164         if (softc->minimum_cmd_size < 6)
2165                 softc->minimum_cmd_size = 6;
2166         else if ((softc->minimum_cmd_size > 6)
2167               && (softc->minimum_cmd_size <= 10))
2168                 softc->minimum_cmd_size = 10;
2169         else if ((softc->minimum_cmd_size > 10)
2170               && (softc->minimum_cmd_size <= 12))
2171                 softc->minimum_cmd_size = 12;
2172         else if (softc->minimum_cmd_size > 12)
2173                 softc->minimum_cmd_size = 16;
2174
2175         /* Predict whether device may support READ CAPACITY(16). */
2176         if (SID_ANSI_REV(&cgd->inq_data) >= SCSI_REV_SPC3 &&
2177             (softc->quirks & DA_Q_NO_RC16) == 0) {
2178                 softc->flags |= DA_FLAG_CAN_RC16;
2179                 softc->state = DA_STATE_PROBE_RC16;
2180         }
2181
2182         /*
2183          * Register this media as a disk.
2184          */
2185         softc->disk = disk_alloc();
2186         softc->disk->d_devstat = devstat_new_entry(periph->periph_name,
2187                           periph->unit_number, 0,
2188                           DEVSTAT_BS_UNAVAILABLE,
2189                           SID_TYPE(&cgd->inq_data) |
2190                           XPORT_DEVSTAT_TYPE(cpi.transport),
2191                           DEVSTAT_PRIORITY_DISK);
2192         softc->disk->d_open = daopen;
2193         softc->disk->d_close = daclose;
2194         softc->disk->d_strategy = dastrategy;
2195         softc->disk->d_dump = dadump;
2196         softc->disk->d_getattr = dagetattr;
2197         softc->disk->d_gone = dadiskgonecb;
2198         softc->disk->d_name = "da";
2199         softc->disk->d_drv1 = periph;
2200         if (cpi.maxio == 0)
2201                 softc->maxio = DFLTPHYS;        /* traditional default */
2202         else if (cpi.maxio > MAXPHYS)
2203                 softc->maxio = MAXPHYS;         /* for safety */
2204         else
2205                 softc->maxio = cpi.maxio;
2206         softc->disk->d_maxsize = softc->maxio;
2207         softc->disk->d_unit = periph->unit_number;
2208         softc->disk->d_flags = DISKFLAG_DIRECT_COMPLETION;
2209         if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0)
2210                 softc->disk->d_flags |= DISKFLAG_CANFLUSHCACHE;
2211         if ((cpi.hba_misc & PIM_UNMAPPED) != 0)
2212                 softc->disk->d_flags |= DISKFLAG_UNMAPPED_BIO;
2213         cam_strvis(softc->disk->d_descr, cgd->inq_data.vendor,
2214             sizeof(cgd->inq_data.vendor), sizeof(softc->disk->d_descr));
2215         strlcat(softc->disk->d_descr, " ", sizeof(softc->disk->d_descr));
2216         cam_strvis(&softc->disk->d_descr[strlen(softc->disk->d_descr)],
2217             cgd->inq_data.product, sizeof(cgd->inq_data.product),
2218             sizeof(softc->disk->d_descr) - strlen(softc->disk->d_descr));
2219         softc->disk->d_hba_vendor = cpi.hba_vendor;
2220         softc->disk->d_hba_device = cpi.hba_device;
2221         softc->disk->d_hba_subvendor = cpi.hba_subvendor;
2222         softc->disk->d_hba_subdevice = cpi.hba_subdevice;
2223
2224         /*
2225          * Acquire a reference to the periph before we register with GEOM.
2226          * We'll release this reference once GEOM calls us back (via
2227          * dadiskgonecb()) telling us that our provider has been freed.
2228          */
2229         if (cam_periph_acquire(periph) != CAM_REQ_CMP) {
2230                 xpt_print(periph->path, "%s: lost periph during "
2231                           "registration!\n", __func__);
2232                 cam_periph_lock(periph);
2233                 return (CAM_REQ_CMP_ERR);
2234         }
2235
2236         disk_create(softc->disk, DISK_VERSION);
2237         cam_periph_lock(periph);
2238
2239         /*
2240          * Add async callbacks for events of interest.
2241          * I don't bother checking if this fails as,
2242          * in most cases, the system will function just
2243          * fine without them and the only alternative
2244          * would be to not attach the device on failure.
2245          */
2246         xpt_register_async(AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE |
2247             AC_ADVINFO_CHANGED | AC_SCSI_AEN | AC_UNIT_ATTENTION,
2248             daasync, periph, periph->path);
2249
2250         /*
2251          * Emit an attribute changed notification just in case
2252          * physical path information arrived before our async
2253          * event handler was registered, but after anyone attaching
2254          * to our disk device polled it.
2255          */
2256         disk_attr_changed(softc->disk, "GEOM::physpath", M_NOWAIT);
2257
2258         /*
2259          * Schedule a periodic media polling events.
2260          */
2261         callout_init_mtx(&softc->mediapoll_c, cam_periph_mtx(periph), 0);
2262         if ((softc->flags & DA_FLAG_PACK_REMOVABLE) &&
2263             (cgd->inq_flags & SID_AEN) == 0 &&
2264             da_poll_period != 0)
2265                 callout_reset(&softc->mediapoll_c, da_poll_period * hz,
2266                     damediapoll, periph);
2267
2268         xpt_schedule(periph, CAM_PRIORITY_DEV);
2269
2270         return(CAM_REQ_CMP);
2271 }
2272
2273 static void
2274 dastart(struct cam_periph *periph, union ccb *start_ccb)
2275 {
2276         struct da_softc *softc;
2277
2278         softc = (struct da_softc *)periph->softc;
2279
2280         CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dastart\n"));
2281
2282 skipstate:
2283         switch (softc->state) {
2284         case DA_STATE_NORMAL:
2285         {
2286                 struct bio *bp;
2287                 uint8_t tag_code;
2288
2289                 /* Run BIO_DELETE if not running yet. */
2290                 if (!softc->delete_running &&
2291                     (bp = bioq_first(&softc->delete_queue)) != NULL) {
2292                         if (softc->delete_func != NULL) {
2293                                 softc->delete_func(periph, start_ccb, bp);
2294                                 goto out;
2295                         } else {
2296                                 bioq_flush(&softc->delete_queue, NULL, 0);
2297                                 /* FALLTHROUGH */
2298                         }
2299                 }
2300
2301                 /* Run regular command. */
2302                 bp = bioq_takefirst(&softc->bio_queue);
2303                 if (bp == NULL) {
2304                         if (softc->tur) {
2305                                 softc->tur = 0;
2306                                 scsi_test_unit_ready(&start_ccb->csio,
2307                                      /*retries*/ da_retry_count,
2308                                      dadone,
2309                                      MSG_SIMPLE_Q_TAG,
2310                                      SSD_FULL_SIZE,
2311                                      da_default_timeout * 1000);
2312                                 start_ccb->ccb_h.ccb_bp = NULL;
2313                                 start_ccb->ccb_h.ccb_state = DA_CCB_TUR;
2314                                 xpt_action(start_ccb);
2315                         } else
2316                                 xpt_release_ccb(start_ccb);
2317                         break;
2318                 }
2319                 if (softc->tur) {
2320                         softc->tur = 0;
2321                         cam_periph_release_locked(periph);
2322                 }
2323
2324                 if ((bp->bio_flags & BIO_ORDERED) != 0 ||
2325                     (softc->flags & DA_FLAG_NEED_OTAG) != 0) {
2326                         softc->flags &= ~DA_FLAG_NEED_OTAG;
2327                         softc->flags |= DA_FLAG_WAS_OTAG;
2328                         tag_code = MSG_ORDERED_Q_TAG;
2329                 } else {
2330                         tag_code = MSG_SIMPLE_Q_TAG;
2331                 }
2332
2333                 switch (bp->bio_cmd) {
2334                 case BIO_WRITE:
2335                         softc->flags |= DA_FLAG_DIRTY;
2336                         /* FALLTHROUGH */
2337                 case BIO_READ:
2338                         scsi_read_write(&start_ccb->csio,
2339                                         /*retries*/da_retry_count,
2340                                         /*cbfcnp*/dadone,
2341                                         /*tag_action*/tag_code,
2342                                         /*read_op*/(bp->bio_cmd == BIO_READ ?
2343                                         SCSI_RW_READ : SCSI_RW_WRITE) |
2344                                         ((bp->bio_flags & BIO_UNMAPPED) != 0 ?
2345                                         SCSI_RW_BIO : 0),
2346                                         /*byte2*/0,
2347                                         softc->minimum_cmd_size,
2348                                         /*lba*/bp->bio_pblkno,
2349                                         /*block_count*/bp->bio_bcount /
2350                                         softc->params.secsize,
2351                                         /*data_ptr*/ (bp->bio_flags &
2352                                         BIO_UNMAPPED) != 0 ? (void *)bp :
2353                                         bp->bio_data,
2354                                         /*dxfer_len*/ bp->bio_bcount,
2355                                         /*sense_len*/SSD_FULL_SIZE,
2356                                         da_default_timeout * 1000);
2357                         break;
2358                 case BIO_FLUSH:
2359                         /*
2360                          * BIO_FLUSH doesn't currently communicate
2361                          * range data, so we synchronize the cache
2362                          * over the whole disk.  We also force
2363                          * ordered tag semantics the flush applies
2364                          * to all previously queued I/O.
2365                          */
2366                         scsi_synchronize_cache(&start_ccb->csio,
2367                                                /*retries*/1,
2368                                                /*cbfcnp*/dadone,
2369                                                MSG_ORDERED_Q_TAG,
2370                                                /*begin_lba*/0,
2371                                                /*lb_count*/0,
2372                                                SSD_FULL_SIZE,
2373                                                da_default_timeout*1000);
2374                         break;
2375                 }
2376                 start_ccb->ccb_h.ccb_state = DA_CCB_BUFFER_IO;
2377                 start_ccb->ccb_h.flags |= CAM_UNLOCKED;
2378
2379 out:
2380                 LIST_INSERT_HEAD(&softc->pending_ccbs,
2381                                  &start_ccb->ccb_h, periph_links.le);
2382
2383                 /* We expect a unit attention from this device */
2384                 if ((softc->flags & DA_FLAG_RETRY_UA) != 0) {
2385                         start_ccb->ccb_h.ccb_state |= DA_CCB_RETRY_UA;
2386                         softc->flags &= ~DA_FLAG_RETRY_UA;
2387                 }
2388
2389                 start_ccb->ccb_h.ccb_bp = bp;
2390                 softc->refcount++;
2391                 cam_periph_unlock(periph);
2392                 xpt_action(start_ccb);
2393                 cam_periph_lock(periph);
2394                 softc->refcount--;
2395
2396                 /* May have more work to do, so ensure we stay scheduled */
2397                 daschedule(periph);
2398                 break;
2399         }
2400         case DA_STATE_PROBE_RC:
2401         {
2402                 struct scsi_read_capacity_data *rcap;
2403
2404                 rcap = (struct scsi_read_capacity_data *)
2405                     malloc(sizeof(*rcap), M_SCSIDA, M_NOWAIT|M_ZERO);
2406                 if (rcap == NULL) {
2407                         printf("dastart: Couldn't malloc read_capacity data\n");
2408                         /* da_free_periph??? */
2409                         break;
2410                 }
2411                 scsi_read_capacity(&start_ccb->csio,
2412                                    /*retries*/da_retry_count,
2413                                    dadone,
2414                                    MSG_SIMPLE_Q_TAG,
2415                                    rcap,
2416                                    SSD_FULL_SIZE,
2417                                    /*timeout*/5000);
2418                 start_ccb->ccb_h.ccb_bp = NULL;
2419                 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_RC;
2420                 xpt_action(start_ccb);
2421                 break;
2422         }
2423         case DA_STATE_PROBE_RC16:
2424         {
2425                 struct scsi_read_capacity_data_long *rcaplong;
2426
2427                 rcaplong = (struct scsi_read_capacity_data_long *)
2428                         malloc(sizeof(*rcaplong), M_SCSIDA, M_NOWAIT|M_ZERO);
2429                 if (rcaplong == NULL) {
2430                         printf("dastart: Couldn't malloc read_capacity data\n");
2431                         /* da_free_periph??? */
2432                         break;
2433                 }
2434                 scsi_read_capacity_16(&start_ccb->csio,
2435                                       /*retries*/ da_retry_count,
2436                                       /*cbfcnp*/ dadone,
2437                                       /*tag_action*/ MSG_SIMPLE_Q_TAG,
2438                                       /*lba*/ 0,
2439                                       /*reladr*/ 0,
2440                                       /*pmi*/ 0,
2441                                       /*rcap_buf*/ (uint8_t *)rcaplong,
2442                                       /*rcap_buf_len*/ sizeof(*rcaplong),
2443                                       /*sense_len*/ SSD_FULL_SIZE,
2444                                       /*timeout*/ da_default_timeout * 1000);
2445                 start_ccb->ccb_h.ccb_bp = NULL;
2446                 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_RC16;
2447                 xpt_action(start_ccb);
2448                 break;
2449         }
2450         case DA_STATE_PROBE_LBP:
2451         {
2452                 struct scsi_vpd_logical_block_prov *lbp;
2453
2454                 if (!scsi_vpd_supported_page(periph, SVPD_LBP)) {
2455                         /*
2456                          * If we get here we don't support any SBC-3 delete
2457                          * methods with UNMAP as the Logical Block Provisioning
2458                          * VPD page support is required for devices which
2459                          * support it according to T10/1799-D Revision 31
2460                          * however older revisions of the spec don't mandate
2461                          * this so we currently don't remove these methods
2462                          * from the available set.
2463                          */
2464                         softc->state = DA_STATE_PROBE_BLK_LIMITS;
2465                         goto skipstate;
2466                 }
2467
2468                 lbp = (struct scsi_vpd_logical_block_prov *)
2469                         malloc(sizeof(*lbp), M_SCSIDA, M_NOWAIT|M_ZERO);
2470
2471                 if (lbp == NULL) {
2472                         printf("dastart: Couldn't malloc lbp data\n");
2473                         /* da_free_periph??? */
2474                         break;
2475                 }
2476
2477                 scsi_inquiry(&start_ccb->csio,
2478                              /*retries*/da_retry_count,
2479                              /*cbfcnp*/dadone,
2480                              /*tag_action*/MSG_SIMPLE_Q_TAG,
2481                              /*inq_buf*/(u_int8_t *)lbp,
2482                              /*inq_len*/sizeof(*lbp),
2483                              /*evpd*/TRUE,
2484                              /*page_code*/SVPD_LBP,
2485                              /*sense_len*/SSD_MIN_SIZE,
2486                              /*timeout*/da_default_timeout * 1000);
2487                 start_ccb->ccb_h.ccb_bp = NULL;
2488                 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_LBP;
2489                 xpt_action(start_ccb);
2490                 break;
2491         }
2492         case DA_STATE_PROBE_BLK_LIMITS:
2493         {
2494                 struct scsi_vpd_block_limits *block_limits;
2495
2496                 if (!scsi_vpd_supported_page(periph, SVPD_BLOCK_LIMITS)) {
2497                         /* Not supported skip to next probe */
2498                         softc->state = DA_STATE_PROBE_BDC;
2499                         goto skipstate;
2500                 }
2501
2502                 block_limits = (struct scsi_vpd_block_limits *)
2503                         malloc(sizeof(*block_limits), M_SCSIDA, M_NOWAIT|M_ZERO);
2504
2505                 if (block_limits == NULL) {
2506                         printf("dastart: Couldn't malloc block_limits data\n");
2507                         /* da_free_periph??? */
2508                         break;
2509                 }
2510
2511                 scsi_inquiry(&start_ccb->csio,
2512                              /*retries*/da_retry_count,
2513                              /*cbfcnp*/dadone,
2514                              /*tag_action*/MSG_SIMPLE_Q_TAG,
2515                              /*inq_buf*/(u_int8_t *)block_limits,
2516                              /*inq_len*/sizeof(*block_limits),
2517                              /*evpd*/TRUE,
2518                              /*page_code*/SVPD_BLOCK_LIMITS,
2519                              /*sense_len*/SSD_MIN_SIZE,
2520                              /*timeout*/da_default_timeout * 1000);
2521                 start_ccb->ccb_h.ccb_bp = NULL;
2522                 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_BLK_LIMITS;
2523                 xpt_action(start_ccb);
2524                 break;
2525         }
2526         case DA_STATE_PROBE_BDC:
2527         {
2528                 struct scsi_vpd_block_characteristics *bdc;
2529
2530                 if (!scsi_vpd_supported_page(periph, SVPD_BDC)) {
2531                         softc->state = DA_STATE_PROBE_ATA;
2532                         goto skipstate;
2533                 }
2534
2535                 bdc = (struct scsi_vpd_block_characteristics *)
2536                         malloc(sizeof(*bdc), M_SCSIDA, M_NOWAIT|M_ZERO);
2537
2538                 if (bdc == NULL) {
2539                         printf("dastart: Couldn't malloc bdc data\n");
2540                         /* da_free_periph??? */
2541                         break;
2542                 }
2543
2544                 scsi_inquiry(&start_ccb->csio,
2545                              /*retries*/da_retry_count,
2546                              /*cbfcnp*/dadone,
2547                              /*tag_action*/MSG_SIMPLE_Q_TAG,
2548                              /*inq_buf*/(u_int8_t *)bdc,
2549                              /*inq_len*/sizeof(*bdc),
2550                              /*evpd*/TRUE,
2551                              /*page_code*/SVPD_BDC,
2552                              /*sense_len*/SSD_MIN_SIZE,
2553                              /*timeout*/da_default_timeout * 1000);
2554                 start_ccb->ccb_h.ccb_bp = NULL;
2555                 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_BDC;
2556                 xpt_action(start_ccb);
2557                 break;
2558         }
2559         case DA_STATE_PROBE_ATA:
2560         {
2561                 struct ata_params *ata_params;
2562
2563                 if (!scsi_vpd_supported_page(periph, SVPD_ATA_INFORMATION)) {
2564                         daprobedone(periph, start_ccb);
2565                         break;
2566                 }
2567
2568                 ata_params = (struct ata_params*)
2569                         malloc(sizeof(*ata_params), M_SCSIDA, M_NOWAIT|M_ZERO);
2570
2571                 if (ata_params == NULL) {
2572                         printf("dastart: Couldn't malloc ata_params data\n");
2573                         /* da_free_periph??? */
2574                         break;
2575                 }
2576
2577                 scsi_ata_identify(&start_ccb->csio,
2578                                   /*retries*/da_retry_count,
2579                                   /*cbfcnp*/dadone,
2580                                   /*tag_action*/MSG_SIMPLE_Q_TAG,
2581                                   /*data_ptr*/(u_int8_t *)ata_params,
2582                                   /*dxfer_len*/sizeof(*ata_params),
2583                                   /*sense_len*/SSD_FULL_SIZE,
2584                                   /*timeout*/da_default_timeout * 1000);
2585                 start_ccb->ccb_h.ccb_bp = NULL;
2586                 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_ATA;
2587                 xpt_action(start_ccb);
2588                 break;
2589         }
2590         }
2591 }
2592
2593 /*
2594  * In each of the methods below, while its the caller's
2595  * responsibility to ensure the request will fit into a
2596  * single device request, we might have changed the delete
2597  * method due to the device incorrectly advertising either
2598  * its supported methods or limits.
2599  *
2600  * To prevent this causing further issues we validate the
2601  * against the methods limits, and warn which would
2602  * otherwise be unnecessary.
2603  */
2604 static void
2605 da_delete_unmap(struct cam_periph *periph, union ccb *ccb, struct bio *bp)
2606 {
2607         struct da_softc *softc = (struct da_softc *)periph->softc;;
2608         struct bio *bp1;
2609         uint8_t *buf = softc->unmap_buf;
2610         uint64_t lba, lastlba = (uint64_t)-1;
2611         uint64_t totalcount = 0;
2612         uint64_t count;
2613         uint32_t lastcount = 0, c;
2614         uint32_t off, ranges = 0;
2615
2616         /*
2617          * Currently this doesn't take the UNMAP
2618          * Granularity and Granularity Alignment
2619          * fields into account.
2620          *
2621          * This could result in both unoptimal unmap
2622          * requests as as well as UNMAP calls unmapping
2623          * fewer LBA's than requested.
2624          */
2625
2626         softc->delete_running = 1;
2627         bzero(softc->unmap_buf, sizeof(softc->unmap_buf));
2628         bp1 = bp;
2629         do {
2630                 bioq_remove(&softc->delete_queue, bp1);
2631                 if (bp1 != bp)
2632                         bioq_insert_tail(&softc->delete_run_queue, bp1);
2633                 lba = bp1->bio_pblkno;
2634                 count = bp1->bio_bcount / softc->params.secsize;
2635
2636                 /* Try to extend the previous range. */
2637                 if (lba == lastlba) {
2638                         c = omin(count, UNMAP_RANGE_MAX - lastcount);
2639                         lastcount += c;
2640                         off = ((ranges - 1) * UNMAP_RANGE_SIZE) +
2641                               UNMAP_HEAD_SIZE;
2642                         scsi_ulto4b(lastcount, &buf[off + 8]);
2643                         count -= c;
2644                         lba +=c;
2645                         totalcount += c;
2646                 }
2647
2648                 while (count > 0) {
2649                         c = omin(count, UNMAP_RANGE_MAX);
2650                         if (totalcount + c > softc->unmap_max_lba ||
2651                             ranges >= softc->unmap_max_ranges) {
2652                                 xpt_print(periph->path,
2653                                     "%s issuing short delete %ld > %ld"
2654                                     "|| %d >= %d",
2655                                     da_delete_method_desc[softc->delete_method],
2656                                     totalcount + c, softc->unmap_max_lba,
2657                                     ranges, softc->unmap_max_ranges);
2658                                 break;
2659                         }
2660                         off = (ranges * UNMAP_RANGE_SIZE) + UNMAP_HEAD_SIZE;
2661                         scsi_u64to8b(lba, &buf[off + 0]);
2662                         scsi_ulto4b(c, &buf[off + 8]);
2663                         lba += c;
2664                         totalcount += c;
2665                         ranges++;
2666                         count -= c;
2667                         lastcount = c;
2668                 }
2669                 lastlba = lba;
2670                 bp1 = bioq_first(&softc->delete_queue);
2671                 if (bp1 == NULL || ranges >= softc->unmap_max_ranges ||
2672                     totalcount + bp1->bio_bcount /
2673                     softc->params.secsize > softc->unmap_max_lba)
2674                         break;
2675         } while (1);
2676         scsi_ulto2b(ranges * 16 + 6, &buf[0]);
2677         scsi_ulto2b(ranges * 16, &buf[2]);
2678
2679         scsi_unmap(&ccb->csio,
2680                    /*retries*/da_retry_count,
2681                    /*cbfcnp*/dadone,
2682                    /*tag_action*/MSG_SIMPLE_Q_TAG,
2683                    /*byte2*/0,
2684                    /*data_ptr*/ buf,
2685                    /*dxfer_len*/ ranges * 16 + 8,
2686                    /*sense_len*/SSD_FULL_SIZE,
2687                    da_default_timeout * 1000);
2688         ccb->ccb_h.ccb_state = DA_CCB_DELETE;
2689         ccb->ccb_h.flags |= CAM_UNLOCKED;
2690 }
2691
2692 static void
2693 da_delete_trim(struct cam_periph *periph, union ccb *ccb, struct bio *bp)
2694 {
2695         struct da_softc *softc = (struct da_softc *)periph->softc;
2696         struct bio *bp1;
2697         uint8_t *buf = softc->unmap_buf;
2698         uint64_t lastlba = (uint64_t)-1;
2699         uint64_t count;
2700         uint64_t lba;
2701         uint32_t lastcount = 0, c, requestcount;
2702         int ranges = 0, off, block_count;
2703
2704         softc->delete_running = 1;
2705         bzero(softc->unmap_buf, sizeof(softc->unmap_buf));
2706         bp1 = bp;
2707         do {
2708                 bioq_remove(&softc->delete_queue, bp1);
2709                 if (bp1 != bp)
2710                         bioq_insert_tail(&softc->delete_run_queue, bp1);
2711                 lba = bp1->bio_pblkno;
2712                 count = bp1->bio_bcount / softc->params.secsize;
2713                 requestcount = count;
2714
2715                 /* Try to extend the previous range. */
2716                 if (lba == lastlba) {
2717                         c = omin(count, ATA_DSM_RANGE_MAX - lastcount);
2718                         lastcount += c;
2719                         off = (ranges - 1) * 8;
2720                         buf[off + 6] = lastcount & 0xff;
2721                         buf[off + 7] = (lastcount >> 8) & 0xff;
2722                         count -= c;
2723                         lba += c;
2724                 }
2725
2726                 while (count > 0) {
2727                         c = omin(count, ATA_DSM_RANGE_MAX);
2728                         off = ranges * 8;
2729
2730                         buf[off + 0] = lba & 0xff;
2731                         buf[off + 1] = (lba >> 8) & 0xff;
2732                         buf[off + 2] = (lba >> 16) & 0xff;
2733                         buf[off + 3] = (lba >> 24) & 0xff;
2734                         buf[off + 4] = (lba >> 32) & 0xff;
2735                         buf[off + 5] = (lba >> 40) & 0xff;
2736                         buf[off + 6] = c & 0xff;
2737                         buf[off + 7] = (c >> 8) & 0xff;
2738                         lba += c;
2739                         ranges++;
2740                         count -= c;
2741                         lastcount = c;
2742                         if (count != 0 && ranges == softc->trim_max_ranges) {
2743                                 xpt_print(periph->path,
2744                                     "%s issuing short delete %ld > %ld\n",
2745                                     da_delete_method_desc[softc->delete_method],
2746                                     requestcount,
2747                                     (softc->trim_max_ranges - ranges) *
2748                                     ATA_DSM_RANGE_MAX);
2749                                 break;
2750                         }
2751                 }
2752                 lastlba = lba;
2753                 bp1 = bioq_first(&softc->delete_queue);
2754                 if (bp1 == NULL || bp1->bio_bcount / softc->params.secsize >
2755                     (softc->trim_max_ranges - ranges) * ATA_DSM_RANGE_MAX)
2756                         break;
2757         } while (1);
2758
2759         block_count = (ranges + ATA_DSM_BLK_RANGES - 1) / ATA_DSM_BLK_RANGES;
2760         scsi_ata_trim(&ccb->csio,
2761                       /*retries*/da_retry_count,
2762                       /*cbfcnp*/dadone,
2763                       /*tag_action*/MSG_SIMPLE_Q_TAG,
2764                       block_count,
2765                       /*data_ptr*/buf,
2766                       /*dxfer_len*/block_count * ATA_DSM_BLK_SIZE,
2767                       /*sense_len*/SSD_FULL_SIZE,
2768                       da_default_timeout * 1000);
2769         ccb->ccb_h.ccb_state = DA_CCB_DELETE;
2770         ccb->ccb_h.flags |= CAM_UNLOCKED;
2771 }
2772
2773 /*
2774  * We calculate ws_max_blks here based off d_delmaxsize instead
2775  * of using softc->ws_max_blks as it is absolute max for the
2776  * device not the protocol max which may well be lower.
2777  */
2778 static void
2779 da_delete_ws(struct cam_periph *periph, union ccb *ccb, struct bio *bp)
2780 {
2781         struct da_softc *softc;
2782         struct bio *bp1;
2783         uint64_t ws_max_blks;
2784         uint64_t lba;
2785         uint64_t count; /* forward compat with WS32 */
2786
2787         softc = (struct da_softc *)periph->softc;
2788         ws_max_blks = softc->disk->d_delmaxsize / softc->params.secsize;
2789         softc->delete_running = 1;
2790         lba = bp->bio_pblkno;
2791         count = 0;
2792         bp1 = bp;
2793         do {
2794                 bioq_remove(&softc->delete_queue, bp1);
2795                 if (bp1 != bp)
2796                         bioq_insert_tail(&softc->delete_run_queue, bp1);
2797                 count += bp1->bio_bcount / softc->params.secsize;
2798                 if (count > ws_max_blks) {
2799                         xpt_print(periph->path,
2800                             "%s issuing short delete %ld > %ld\n",
2801                             da_delete_method_desc[softc->delete_method],
2802                             count, ws_max_blks);
2803                         count = omin(count, ws_max_blks);
2804                         break;
2805                 }
2806                 bp1 = bioq_first(&softc->delete_queue);
2807                 if (bp1 == NULL || lba + count != bp1->bio_pblkno ||
2808                     count + bp1->bio_bcount /
2809                     softc->params.secsize > ws_max_blks)
2810                         break;
2811         } while (1);
2812
2813         scsi_write_same(&ccb->csio,
2814                         /*retries*/da_retry_count,
2815                         /*cbfcnp*/dadone,
2816                         /*tag_action*/MSG_SIMPLE_Q_TAG,
2817                         /*byte2*/softc->delete_method ==
2818                             DA_DELETE_ZERO ? 0 : SWS_UNMAP,
2819                         softc->delete_method == DA_DELETE_WS16 ? 16 : 10,
2820                         /*lba*/lba,
2821                         /*block_count*/count,
2822                         /*data_ptr*/ __DECONST(void *, zero_region),
2823                         /*dxfer_len*/ softc->params.secsize,
2824                         /*sense_len*/SSD_FULL_SIZE,
2825                         da_default_timeout * 1000);
2826         ccb->ccb_h.ccb_state = DA_CCB_DELETE;
2827         ccb->ccb_h.flags |= CAM_UNLOCKED;
2828 }
2829
2830 static int
2831 cmd6workaround(union ccb *ccb)
2832 {
2833         struct scsi_rw_6 cmd6;
2834         struct scsi_rw_10 *cmd10;
2835         struct da_softc *softc;
2836         u_int8_t *cdb;
2837         struct bio *bp;
2838         int frozen;
2839
2840         cdb = ccb->csio.cdb_io.cdb_bytes;
2841         softc = (struct da_softc *)xpt_path_periph(ccb->ccb_h.path)->softc;
2842
2843         if (ccb->ccb_h.ccb_state == DA_CCB_DELETE) {
2844                 da_delete_methods old_method = softc->delete_method;
2845
2846                 /*
2847                  * Typically there are two reasons for failure here
2848                  * 1. Delete method was detected as supported but isn't
2849                  * 2. Delete failed due to invalid params e.g. too big
2850                  *
2851                  * While we will attempt to choose an alternative delete method
2852                  * this may result in short deletes if the existing delete
2853                  * requests from geom are big for the new method choosen.
2854                  *
2855                  * This method assumes that the error which triggered this
2856                  * will not retry the io otherwise a panic will occur
2857                  */
2858                 dadeleteflag(softc, old_method, 0);
2859                 dadeletemethodchoose(softc, DA_DELETE_DISABLE);
2860                 if (softc->delete_method == DA_DELETE_DISABLE)
2861                         xpt_print(ccb->ccb_h.path,
2862                                   "%s failed, disabling BIO_DELETE\n",
2863                                   da_delete_method_desc[old_method]);
2864                 else
2865                         xpt_print(ccb->ccb_h.path,
2866                                   "%s failed, switching to %s BIO_DELETE\n",
2867                                   da_delete_method_desc[old_method],
2868                                   da_delete_method_desc[softc->delete_method]);
2869
2870                 while ((bp = bioq_takefirst(&softc->delete_run_queue)) != NULL)
2871                         bioq_disksort(&softc->delete_queue, bp);
2872                 bioq_disksort(&softc->delete_queue,
2873                     (struct bio *)ccb->ccb_h.ccb_bp);
2874                 ccb->ccb_h.ccb_bp = NULL;
2875                 return (0);
2876         }
2877
2878         /* Detect unsupported PREVENT ALLOW MEDIUM REMOVAL. */
2879         if ((ccb->ccb_h.flags & CAM_CDB_POINTER) == 0 &&
2880             (*cdb == PREVENT_ALLOW) &&
2881             (softc->quirks & DA_Q_NO_PREVENT) == 0) {
2882                 if (bootverbose)
2883                         xpt_print(ccb->ccb_h.path,
2884                             "PREVENT ALLOW MEDIUM REMOVAL not supported.\n");
2885                 softc->quirks |= DA_Q_NO_PREVENT;
2886                 return (0);
2887         }
2888
2889         /* Detect unsupported SYNCHRONIZE CACHE(10). */
2890         if ((ccb->ccb_h.flags & CAM_CDB_POINTER) == 0 &&
2891             (*cdb == SYNCHRONIZE_CACHE) &&
2892             (softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) {
2893                 if (bootverbose)
2894                         xpt_print(ccb->ccb_h.path,
2895                             "SYNCHRONIZE CACHE(10) not supported.\n");
2896                 softc->quirks |= DA_Q_NO_SYNC_CACHE;
2897                 softc->disk->d_flags &= ~DISKFLAG_CANFLUSHCACHE;
2898                 return (0);
2899         }
2900
2901         /* Translation only possible if CDB is an array and cmd is R/W6 */
2902         if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0 ||
2903             (*cdb != READ_6 && *cdb != WRITE_6))
2904                 return 0;
2905
2906         xpt_print(ccb->ccb_h.path, "READ(6)/WRITE(6) not supported, "
2907             "increasing minimum_cmd_size to 10.\n");
2908         softc->minimum_cmd_size = 10;
2909
2910         bcopy(cdb, &cmd6, sizeof(struct scsi_rw_6));
2911         cmd10 = (struct scsi_rw_10 *)cdb;
2912         cmd10->opcode = (cmd6.opcode == READ_6) ? READ_10 : WRITE_10;
2913         cmd10->byte2 = 0;
2914         scsi_ulto4b(scsi_3btoul(cmd6.addr), cmd10->addr);
2915         cmd10->reserved = 0;
2916         scsi_ulto2b(cmd6.length, cmd10->length);
2917         cmd10->control = cmd6.control;
2918         ccb->csio.cdb_len = sizeof(*cmd10);
2919
2920         /* Requeue request, unfreezing queue if necessary */
2921         frozen = (ccb->ccb_h.status & CAM_DEV_QFRZN) != 0;
2922         ccb->ccb_h.status = CAM_REQUEUE_REQ;
2923         xpt_action(ccb);
2924         if (frozen) {
2925                 cam_release_devq(ccb->ccb_h.path,
2926                                  /*relsim_flags*/0,
2927                                  /*reduction*/0,
2928                                  /*timeout*/0,
2929                                  /*getcount_only*/0);
2930         }
2931         return (ERESTART);
2932 }
2933
2934 static void
2935 dadone(struct cam_periph *periph, union ccb *done_ccb)
2936 {
2937         struct da_softc *softc;
2938         struct ccb_scsiio *csio;
2939         u_int32_t  priority;
2940         da_ccb_state state;
2941
2942         softc = (struct da_softc *)periph->softc;
2943         priority = done_ccb->ccb_h.pinfo.priority;
2944
2945         CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone\n"));
2946
2947         csio = &done_ccb->csio;
2948         state = csio->ccb_h.ccb_state & DA_CCB_TYPE_MASK;
2949         switch (state) {
2950         case DA_CCB_BUFFER_IO:
2951         case DA_CCB_DELETE:
2952         {
2953                 struct bio *bp, *bp1;
2954
2955                 cam_periph_lock(periph);
2956                 bp = (struct bio *)done_ccb->ccb_h.ccb_bp;
2957                 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
2958                         int error;
2959                         int sf;
2960
2961                         if ((csio->ccb_h.ccb_state & DA_CCB_RETRY_UA) != 0)
2962                                 sf = SF_RETRY_UA;
2963                         else
2964                                 sf = 0;
2965
2966                         error = daerror(done_ccb, CAM_RETRY_SELTO, sf);
2967                         if (error == ERESTART) {
2968                                 /*
2969                                  * A retry was scheduled, so
2970                                  * just return.
2971                                  */
2972                                 cam_periph_unlock(periph);
2973                                 return;
2974                         }
2975                         bp = (struct bio *)done_ccb->ccb_h.ccb_bp;
2976                         if (error != 0) {
2977                                 int queued_error;
2978
2979                                 /*
2980                                  * return all queued I/O with EIO, so that
2981                                  * the client can retry these I/Os in the
2982                                  * proper order should it attempt to recover.
2983                                  */
2984                                 queued_error = EIO;
2985
2986                                 if (error == ENXIO
2987                                  && (softc->flags & DA_FLAG_PACK_INVALID)== 0) {
2988                                         /*
2989                                          * Catastrophic error.  Mark our pack as
2990                                          * invalid.
2991                                          */
2992                                         /*
2993                                          * XXX See if this is really a media
2994                                          * XXX change first?
2995                                          */
2996                                         xpt_print(periph->path,
2997                                             "Invalidating pack\n");
2998                                         softc->flags |= DA_FLAG_PACK_INVALID;
2999                                         queued_error = ENXIO;
3000                                 }
3001                                 bioq_flush(&softc->bio_queue, NULL,
3002                                            queued_error);
3003                                 if (bp != NULL) {
3004                                         bp->bio_error = error;
3005                                         bp->bio_resid = bp->bio_bcount;
3006                                         bp->bio_flags |= BIO_ERROR;
3007                                 }
3008                         } else if (bp != NULL) {
3009                                 if (state == DA_CCB_DELETE)
3010                                         bp->bio_resid = 0;
3011                                 else
3012                                         bp->bio_resid = csio->resid;
3013                                 bp->bio_error = 0;
3014                                 if (bp->bio_resid != 0)
3015                                         bp->bio_flags |= BIO_ERROR;
3016                         }
3017                         if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
3018                                 cam_release_devq(done_ccb->ccb_h.path,
3019                                                  /*relsim_flags*/0,
3020                                                  /*reduction*/0,
3021                                                  /*timeout*/0,
3022                                                  /*getcount_only*/0);
3023                 } else if (bp != NULL) {
3024                         if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
3025                                 panic("REQ_CMP with QFRZN");
3026                         if (state == DA_CCB_DELETE)
3027                                 bp->bio_resid = 0;
3028                         else
3029                                 bp->bio_resid = csio->resid;
3030                         if (csio->resid > 0)
3031                                 bp->bio_flags |= BIO_ERROR;
3032                         if (softc->error_inject != 0) {
3033                                 bp->bio_error = softc->error_inject;
3034                                 bp->bio_resid = bp->bio_bcount;
3035                                 bp->bio_flags |= BIO_ERROR;
3036                                 softc->error_inject = 0;
3037                         }
3038                 }
3039
3040                 LIST_REMOVE(&done_ccb->ccb_h, periph_links.le);
3041                 if (LIST_EMPTY(&softc->pending_ccbs))
3042                         softc->flags |= DA_FLAG_WAS_OTAG;
3043
3044                 xpt_release_ccb(done_ccb);
3045                 if (state == DA_CCB_DELETE) {
3046                         TAILQ_HEAD(, bio) queue;
3047
3048                         TAILQ_INIT(&queue);
3049                         TAILQ_CONCAT(&queue, &softc->delete_run_queue.queue, bio_queue);
3050                         softc->delete_run_queue.insert_point = NULL;
3051                         softc->delete_running = 0;
3052                         daschedule(periph);
3053                         cam_periph_unlock(periph);
3054                         while ((bp1 = TAILQ_FIRST(&queue)) != NULL) {
3055                                 TAILQ_REMOVE(&queue, bp1, bio_queue);
3056                                 bp1->bio_error = bp->bio_error;
3057                                 if (bp->bio_flags & BIO_ERROR) {
3058                                         bp1->bio_flags |= BIO_ERROR;
3059                                         bp1->bio_resid = bp1->bio_bcount;
3060                                 } else
3061                                         bp1->bio_resid = 0;
3062                                 biodone(bp1);
3063                         }
3064                 } else
3065                         cam_periph_unlock(periph);
3066                 if (bp != NULL)
3067                         biodone(bp);
3068                 return;
3069         }
3070         case DA_CCB_PROBE_RC:
3071         case DA_CCB_PROBE_RC16:
3072         {
3073                 struct     scsi_read_capacity_data *rdcap;
3074                 struct     scsi_read_capacity_data_long *rcaplong;
3075                 char       announce_buf[80];
3076                 int        lbp;
3077
3078                 lbp = 0;
3079                 rdcap = NULL;
3080                 rcaplong = NULL;
3081                 if (state == DA_CCB_PROBE_RC)
3082                         rdcap =(struct scsi_read_capacity_data *)csio->data_ptr;
3083                 else
3084                         rcaplong = (struct scsi_read_capacity_data_long *)
3085                                 csio->data_ptr;
3086
3087                 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
3088                         struct disk_params *dp;
3089                         uint32_t block_size;
3090                         uint64_t maxsector;
3091                         u_int lbppbe;   /* LB per physical block exponent. */
3092                         u_int lalba;    /* Lowest aligned LBA. */
3093
3094                         if (state == DA_CCB_PROBE_RC) {
3095                                 block_size = scsi_4btoul(rdcap->length);
3096                                 maxsector = scsi_4btoul(rdcap->addr);
3097                                 lbppbe = 0;
3098                                 lalba = 0;
3099
3100                                 /*
3101                                  * According to SBC-2, if the standard 10
3102                                  * byte READ CAPACITY command returns 2^32,
3103                                  * we should issue the 16 byte version of
3104                                  * the command, since the device in question
3105                                  * has more sectors than can be represented
3106                                  * with the short version of the command.
3107                                  */
3108                                 if (maxsector == 0xffffffff) {
3109                                         free(rdcap, M_SCSIDA);
3110                                         xpt_release_ccb(done_ccb);
3111                                         softc->state = DA_STATE_PROBE_RC16;
3112                                         xpt_schedule(periph, priority);
3113                                         return;
3114                                 }
3115                         } else {
3116                                 block_size = scsi_4btoul(rcaplong->length);
3117                                 maxsector = scsi_8btou64(rcaplong->addr);
3118                                 lbppbe = rcaplong->prot_lbppbe & SRC16_LBPPBE;
3119                                 lalba = scsi_2btoul(rcaplong->lalba_lbp);
3120                         }
3121
3122                         /*
3123                          * Because GEOM code just will panic us if we
3124                          * give them an 'illegal' value we'll avoid that
3125                          * here.
3126                          */
3127                         if (block_size == 0) {
3128                                 block_size = 512;
3129                                 if (maxsector == 0)
3130                                         maxsector = -1;
3131                         }
3132                         if (block_size >= MAXPHYS) {
3133                                 xpt_print(periph->path,
3134                                     "unsupportable block size %ju\n",
3135                                     (uintmax_t) block_size);
3136                                 announce_buf[0] = '\0';
3137                                 cam_periph_invalidate(periph);
3138                         } else {
3139                                 /*
3140                                  * We pass rcaplong into dasetgeom(),
3141                                  * because it will only use it if it is
3142                                  * non-NULL.
3143                                  */
3144                                 dasetgeom(periph, block_size, maxsector,
3145                                           rcaplong, sizeof(*rcaplong));
3146                                 lbp = (lalba & SRC16_LBPME_A);
3147                                 dp = &softc->params;
3148                                 snprintf(announce_buf, sizeof(announce_buf),
3149                                         "%juMB (%ju %u byte sectors: %dH %dS/T "
3150                                         "%dC)", (uintmax_t)
3151                                         (((uintmax_t)dp->secsize *
3152                                         dp->sectors) / (1024*1024)),
3153                                         (uintmax_t)dp->sectors,
3154                                         dp->secsize, dp->heads,
3155                                         dp->secs_per_track, dp->cylinders);
3156                         }
3157                 } else {
3158                         int     error;
3159
3160                         announce_buf[0] = '\0';
3161
3162                         /*
3163                          * Retry any UNIT ATTENTION type errors.  They
3164                          * are expected at boot.
3165                          */
3166                         error = daerror(done_ccb, CAM_RETRY_SELTO,
3167                                         SF_RETRY_UA|SF_NO_PRINT);
3168                         if (error == ERESTART) {
3169                                 /*
3170                                  * A retry was scheuled, so
3171                                  * just return.
3172                                  */
3173                                 return;
3174                         } else if (error != 0) {
3175                                 int asc, ascq;
3176                                 int sense_key, error_code;
3177                                 int have_sense;
3178                                 cam_status status;
3179                                 struct ccb_getdev cgd;
3180
3181                                 /* Don't wedge this device's queue */
3182                                 status = done_ccb->ccb_h.status;
3183                                 if ((status & CAM_DEV_QFRZN) != 0)
3184                                         cam_release_devq(done_ccb->ccb_h.path,
3185                                                          /*relsim_flags*/0,
3186                                                          /*reduction*/0,
3187                                                          /*timeout*/0,
3188                                                          /*getcount_only*/0);
3189
3190
3191                                 xpt_setup_ccb(&cgd.ccb_h,
3192                                               done_ccb->ccb_h.path,
3193                                               CAM_PRIORITY_NORMAL);
3194                                 cgd.ccb_h.func_code = XPT_GDEV_TYPE;
3195                                 xpt_action((union ccb *)&cgd);
3196
3197                                 if (scsi_extract_sense_ccb(done_ccb,
3198                                     &error_code, &sense_key, &asc, &ascq))
3199                                         have_sense = TRUE;
3200                                 else
3201                                         have_sense = FALSE;
3202
3203                                 /*
3204                                  * If we tried READ CAPACITY(16) and failed,
3205                                  * fallback to READ CAPACITY(10).
3206                                  */
3207                                 if ((state == DA_CCB_PROBE_RC16) &&
3208                                     (softc->flags & DA_FLAG_CAN_RC16) &&
3209                                     (((csio->ccb_h.status & CAM_STATUS_MASK) ==
3210                                         CAM_REQ_INVALID) ||
3211                                      ((have_sense) &&
3212                                       (error_code == SSD_CURRENT_ERROR) &&
3213                                       (sense_key == SSD_KEY_ILLEGAL_REQUEST)))) {
3214                                         softc->flags &= ~DA_FLAG_CAN_RC16;
3215                                         free(rdcap, M_SCSIDA);
3216                                         xpt_release_ccb(done_ccb);
3217                                         softc->state = DA_STATE_PROBE_RC;
3218                                         xpt_schedule(periph, priority);
3219                                         return;
3220                                 } else
3221                                 /*
3222                                  * Attach to anything that claims to be a
3223                                  * direct access or optical disk device,
3224                                  * as long as it doesn't return a "Logical
3225                                  * unit not supported" (0x25) error.
3226                                  */
3227                                 if ((have_sense) && (asc != 0x25)
3228                                  && (error_code == SSD_CURRENT_ERROR)) {
3229                                         const char *sense_key_desc;
3230                                         const char *asc_desc;
3231
3232                                         dasetgeom(periph, 512, -1, NULL, 0);
3233                                         scsi_sense_desc(sense_key, asc, ascq,
3234                                                         &cgd.inq_data,
3235                                                         &sense_key_desc,
3236                                                         &asc_desc);
3237                                         snprintf(announce_buf,
3238                                             sizeof(announce_buf),
3239                                                 "Attempt to query device "
3240                                                 "size failed: %s, %s",
3241                                                 sense_key_desc,
3242                                                 asc_desc);
3243                                 } else {
3244                                         if (have_sense)
3245                                                 scsi_sense_print(
3246                                                         &done_ccb->csio);
3247                                         else {
3248                                                 xpt_print(periph->path,
3249                                                     "got CAM status %#x\n",
3250                                                     done_ccb->ccb_h.status);
3251                                         }
3252
3253                                         xpt_print(periph->path, "fatal error, "
3254                                             "failed to attach to device\n");
3255
3256                                         /*
3257                                          * Free up resources.
3258                                          */
3259                                         cam_periph_invalidate(periph);
3260                                 }
3261                         }
3262                 }
3263                 free(csio->data_ptr, M_SCSIDA);
3264                 if (announce_buf[0] != '\0' &&
3265                     ((softc->flags & DA_FLAG_ANNOUNCED) == 0)) {
3266                         /*
3267                          * Create our sysctl variables, now that we know
3268                          * we have successfully attached.
3269                          */
3270                         /* increase the refcount */
3271                         if (cam_periph_acquire(periph) == CAM_REQ_CMP) {
3272                                 taskqueue_enqueue(taskqueue_thread,
3273                                                   &softc->sysctl_task);
3274                                 xpt_announce_periph(periph, announce_buf);
3275                                 xpt_announce_quirks(periph, softc->quirks,
3276                                     DA_Q_BIT_STRING);
3277                         } else {
3278                                 xpt_print(periph->path, "fatal error, "
3279                                     "could not acquire reference count\n");
3280                         }
3281                 }
3282
3283                 /* We already probed the device. */
3284                 if (softc->flags & DA_FLAG_PROBED) {
3285                         daprobedone(periph, done_ccb);
3286                         return;
3287                 }
3288
3289                 /* Ensure re-probe doesn't see old delete. */
3290                 softc->delete_available = 0;
3291                 if (lbp && (softc->quirks & DA_Q_NO_UNMAP) == 0) {
3292                         /*
3293                          * Based on older SBC-3 spec revisions
3294                          * any of the UNMAP methods "may" be
3295                          * available via LBP given this flag so
3296                          * we flag all of them as availble and
3297                          * then remove those which further
3298                          * probes confirm aren't available
3299                          * later.
3300                          *
3301                          * We could also check readcap(16) p_type
3302                          * flag to exclude one or more invalid
3303                          * write same (X) types here
3304                          */
3305                         dadeleteflag(softc, DA_DELETE_WS16, 1);
3306                         dadeleteflag(softc, DA_DELETE_WS10, 1);
3307                         dadeleteflag(softc, DA_DELETE_ZERO, 1);
3308                         dadeleteflag(softc, DA_DELETE_UNMAP, 1);
3309
3310                         xpt_release_ccb(done_ccb);
3311                         softc->state = DA_STATE_PROBE_LBP;
3312                         xpt_schedule(periph, priority);
3313                         return;
3314                 }
3315
3316                 xpt_release_ccb(done_ccb);
3317                 softc->state = DA_STATE_PROBE_BDC;
3318                 xpt_schedule(periph, priority);
3319                 return;
3320         }
3321         case DA_CCB_PROBE_LBP:
3322         {
3323                 struct scsi_vpd_logical_block_prov *lbp;
3324
3325                 lbp = (struct scsi_vpd_logical_block_prov *)csio->data_ptr;
3326
3327                 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
3328                         /*
3329                          * T10/1799-D Revision 31 states at least one of these
3330                          * must be supported but we don't currently enforce this.
3331                          */
3332                         dadeleteflag(softc, DA_DELETE_WS16,
3333                                      (lbp->flags & SVPD_LBP_WS16));
3334                         dadeleteflag(softc, DA_DELETE_WS10,
3335                                      (lbp->flags & SVPD_LBP_WS10));
3336                         dadeleteflag(softc, DA_DELETE_ZERO,
3337                                      (lbp->flags & SVPD_LBP_WS10));
3338                         dadeleteflag(softc, DA_DELETE_UNMAP,
3339                                      (lbp->flags & SVPD_LBP_UNMAP));
3340                 } else {
3341                         int error;
3342                         error = daerror(done_ccb, CAM_RETRY_SELTO,
3343                                         SF_RETRY_UA|SF_NO_PRINT);
3344                         if (error == ERESTART)
3345                                 return;
3346                         else if (error != 0) {
3347                                 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
3348                                         /* Don't wedge this device's queue */
3349                                         cam_release_devq(done_ccb->ccb_h.path,
3350                                                          /*relsim_flags*/0,
3351                                                          /*reduction*/0,
3352                                                          /*timeout*/0,
3353                                                          /*getcount_only*/0);
3354                                 }
3355
3356                                 /*
3357                                  * Failure indicates we don't support any SBC-3
3358                                  * delete methods with UNMAP
3359                                  */
3360                         }
3361                 }
3362
3363                 free(lbp, M_SCSIDA);
3364                 xpt_release_ccb(done_ccb);
3365                 softc->state = DA_STATE_PROBE_BLK_LIMITS;
3366                 xpt_schedule(periph, priority);
3367                 return;
3368         }
3369         case DA_CCB_PROBE_BLK_LIMITS:
3370         {
3371                 struct scsi_vpd_block_limits *block_limits;
3372
3373                 block_limits = (struct scsi_vpd_block_limits *)csio->data_ptr;
3374
3375                 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
3376                         uint32_t max_txfer_len = scsi_4btoul(
3377                                 block_limits->max_txfer_len);
3378                         uint32_t max_unmap_lba_cnt = scsi_4btoul(
3379                                 block_limits->max_unmap_lba_cnt);
3380                         uint32_t max_unmap_blk_cnt = scsi_4btoul(
3381                                 block_limits->max_unmap_blk_cnt);
3382                         uint64_t ws_max_blks = scsi_8btou64(
3383                                 block_limits->max_write_same_length);
3384
3385                         if (max_txfer_len != 0) {
3386                                 softc->disk->d_maxsize = MIN(softc->maxio,
3387                                     (off_t)max_txfer_len * softc->params.secsize);
3388                         }
3389
3390                         /*
3391                          * We should already support UNMAP but we check lba
3392                          * and block count to be sure
3393                          */
3394                         if (max_unmap_lba_cnt != 0x00L &&
3395                             max_unmap_blk_cnt != 0x00L) {
3396                                 softc->unmap_max_lba = max_unmap_lba_cnt;
3397                                 softc->unmap_max_ranges = min(max_unmap_blk_cnt,
3398                                         UNMAP_MAX_RANGES);
3399                         } else {
3400                                 /*
3401                                  * Unexpected UNMAP limits which means the
3402                                  * device doesn't actually support UNMAP
3403                                  */
3404                                 dadeleteflag(softc, DA_DELETE_UNMAP, 0);
3405                         }
3406
3407                         if (ws_max_blks != 0x00L)
3408                                 softc->ws_max_blks = ws_max_blks;
3409                 } else {
3410                         int error;
3411                         error = daerror(done_ccb, CAM_RETRY_SELTO,
3412                                         SF_RETRY_UA|SF_NO_PRINT);
3413                         if (error == ERESTART)
3414                                 return;
3415                         else if (error != 0) {
3416                                 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
3417                                         /* Don't wedge this device's queue */
3418                                         cam_release_devq(done_ccb->ccb_h.path,
3419                                                          /*relsim_flags*/0,
3420                                                          /*reduction*/0,
3421                                                          /*timeout*/0,
3422                                                          /*getcount_only*/0);
3423                                 }
3424
3425                                 /*
3426                                  * Failure here doesn't mean UNMAP is not
3427                                  * supported as this is an optional page.
3428                                  */
3429                                 softc->unmap_max_lba = 1;
3430                                 softc->unmap_max_ranges = 1;
3431                         }
3432                 }
3433
3434                 free(block_limits, M_SCSIDA);
3435                 xpt_release_ccb(done_ccb);
3436                 softc->state = DA_STATE_PROBE_BDC;
3437                 xpt_schedule(periph, priority);
3438                 return;
3439         }
3440         case DA_CCB_PROBE_BDC:
3441         {
3442                 struct scsi_vpd_block_characteristics *bdc;
3443
3444                 bdc = (struct scsi_vpd_block_characteristics *)csio->data_ptr;
3445
3446                 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
3447                         /*
3448                          * Disable queue sorting for non-rotational media
3449                          * by default.
3450                          */
3451                         u_int old_rate = softc->disk->d_rotation_rate;
3452
3453                         softc->disk->d_rotation_rate =
3454                                 scsi_2btoul(bdc->medium_rotation_rate);
3455                         if (softc->disk->d_rotation_rate ==
3456                             SVPD_BDC_RATE_NON_ROTATING) {
3457                                 softc->sort_io_queue = 0;
3458                         }
3459                         if (softc->disk->d_rotation_rate != old_rate) {
3460                                 disk_attr_changed(softc->disk,
3461                                     "GEOM::rotation_rate", M_NOWAIT);
3462                         }
3463                 } else {
3464                         int error;
3465                         error = daerror(done_ccb, CAM_RETRY_SELTO,
3466                                         SF_RETRY_UA|SF_NO_PRINT);
3467                         if (error == ERESTART)
3468                                 return;
3469                         else if (error != 0) {
3470                                 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
3471                                         /* Don't wedge this device's queue */
3472                                         cam_release_devq(done_ccb->ccb_h.path,
3473                                                          /*relsim_flags*/0,
3474                                                          /*reduction*/0,
3475                                                          /*timeout*/0,
3476                                                          /*getcount_only*/0);
3477                                 }
3478                         }
3479                 }
3480
3481                 free(bdc, M_SCSIDA);
3482                 xpt_release_ccb(done_ccb);
3483                 softc->state = DA_STATE_PROBE_ATA;
3484                 xpt_schedule(periph, priority);
3485                 return;
3486         }
3487         case DA_CCB_PROBE_ATA:
3488         {
3489                 int i;
3490                 struct ata_params *ata_params;
3491                 int16_t *ptr;
3492
3493                 ata_params = (struct ata_params *)csio->data_ptr;
3494                 ptr = (uint16_t *)ata_params;
3495
3496                 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
3497                         uint16_t old_rate;
3498
3499                         for (i = 0; i < sizeof(*ata_params) / 2; i++)
3500                                 ptr[i] = le16toh(ptr[i]);
3501                         if (ata_params->support_dsm & ATA_SUPPORT_DSM_TRIM &&
3502                             (softc->quirks & DA_Q_NO_UNMAP) == 0) {
3503                                 dadeleteflag(softc, DA_DELETE_ATA_TRIM, 1);
3504                                 if (ata_params->max_dsm_blocks != 0)
3505                                         softc->trim_max_ranges = min(
3506                                           softc->trim_max_ranges,
3507                                           ata_params->max_dsm_blocks *
3508                                           ATA_DSM_BLK_RANGES);
3509                         }
3510                         /*
3511                          * Disable queue sorting for non-rotational media
3512                          * by default.
3513                          */
3514                         old_rate = softc->disk->d_rotation_rate;
3515                         softc->disk->d_rotation_rate =
3516                             ata_params->media_rotation_rate;
3517                         if (softc->disk->d_rotation_rate ==
3518                             ATA_RATE_NON_ROTATING) {
3519                                 softc->sort_io_queue = 0;
3520                         }
3521
3522                         if (softc->disk->d_rotation_rate != old_rate) {
3523                                 disk_attr_changed(softc->disk,
3524                                     "GEOM::rotation_rate", M_NOWAIT);
3525                         }
3526                 } else {
3527                         int error;
3528                         error = daerror(done_ccb, CAM_RETRY_SELTO,
3529                                         SF_RETRY_UA|SF_NO_PRINT);
3530                         if (error == ERESTART)
3531                                 return;
3532                         else if (error != 0) {
3533                                 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
3534                                         /* Don't wedge this device's queue */
3535                                         cam_release_devq(done_ccb->ccb_h.path,
3536                                                          /*relsim_flags*/0,
3537                                                          /*reduction*/0,
3538                                                          /*timeout*/0,
3539                                                          /*getcount_only*/0);
3540                                 }
3541                         }
3542                 }
3543
3544                 free(ata_params, M_SCSIDA);
3545                 daprobedone(periph, done_ccb);
3546                 return;
3547         }
3548         case DA_CCB_DUMP:
3549                 /* No-op.  We're polling */
3550                 return;
3551         case DA_CCB_TUR:
3552         {
3553                 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
3554
3555                         if (daerror(done_ccb, CAM_RETRY_SELTO,
3556                             SF_RETRY_UA | SF_NO_RECOVERY | SF_NO_PRINT) ==
3557                             ERESTART)
3558                                 return;
3559                         if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
3560                                 cam_release_devq(done_ccb->ccb_h.path,
3561                                                  /*relsim_flags*/0,
3562                                                  /*reduction*/0,
3563                                                  /*timeout*/0,
3564                                                  /*getcount_only*/0);
3565                 }
3566                 xpt_release_ccb(done_ccb);
3567                 cam_periph_release_locked(periph);
3568                 return;
3569         }
3570         default:
3571                 break;
3572         }
3573         xpt_release_ccb(done_ccb);
3574 }
3575
3576 static void
3577 dareprobe(struct cam_periph *periph)
3578 {
3579         struct da_softc   *softc;
3580         cam_status status;
3581
3582         softc = (struct da_softc *)periph->softc;
3583
3584         /* Probe in progress; don't interfere. */
3585         if (softc->state != DA_STATE_NORMAL)
3586                 return;
3587
3588         status = cam_periph_acquire(periph);
3589         KASSERT(status == CAM_REQ_CMP,
3590             ("dareprobe: cam_periph_acquire failed"));
3591
3592         if (softc->flags & DA_FLAG_CAN_RC16)
3593                 softc->state = DA_STATE_PROBE_RC16;
3594         else
3595                 softc->state = DA_STATE_PROBE_RC;
3596
3597         xpt_schedule(periph, CAM_PRIORITY_DEV);
3598 }
3599
3600 static int
3601 daerror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags)
3602 {
3603         struct da_softc   *softc;
3604         struct cam_periph *periph;
3605         int error, error_code, sense_key, asc, ascq;
3606
3607         periph = xpt_path_periph(ccb->ccb_h.path);
3608         softc = (struct da_softc *)periph->softc;
3609
3610         /*
3611          * Automatically detect devices that do not support
3612          * READ(6)/WRITE(6) and upgrade to using 10 byte cdbs.
3613          */
3614         error = 0;
3615         if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INVALID) {
3616                 error = cmd6workaround(ccb);
3617         } else if (scsi_extract_sense_ccb(ccb,
3618             &error_code, &sense_key, &asc, &ascq)) {
3619                 if (sense_key == SSD_KEY_ILLEGAL_REQUEST)
3620                         error = cmd6workaround(ccb);
3621                 /*
3622                  * If the target replied with CAPACITY DATA HAS CHANGED UA,
3623                  * query the capacity and notify upper layers.
3624                  */
3625                 else if (sense_key == SSD_KEY_UNIT_ATTENTION &&
3626                     asc == 0x2A && ascq == 0x09) {
3627                         xpt_print(periph->path, "Capacity data has changed\n");
3628                         softc->flags &= ~DA_FLAG_PROBED;
3629                         dareprobe(periph);
3630                         sense_flags |= SF_NO_PRINT;
3631                 } else if (sense_key == SSD_KEY_UNIT_ATTENTION &&
3632                     asc == 0x28 && ascq == 0x00) {
3633                         softc->flags &= ~DA_FLAG_PROBED;
3634                         disk_media_changed(softc->disk, M_NOWAIT);
3635                 } else if (sense_key == SSD_KEY_UNIT_ATTENTION &&
3636                     asc == 0x3F && ascq == 0x03) {
3637                         xpt_print(periph->path, "INQUIRY data has changed\n");
3638                         softc->flags &= ~DA_FLAG_PROBED;
3639                         dareprobe(periph);
3640                         sense_flags |= SF_NO_PRINT;
3641                 } else if (sense_key == SSD_KEY_NOT_READY &&
3642                     asc == 0x3a && (softc->flags & DA_FLAG_PACK_INVALID) == 0) {
3643                         softc->flags |= DA_FLAG_PACK_INVALID;
3644                         disk_media_gone(softc->disk, M_NOWAIT);
3645                 }
3646         }
3647         if (error == ERESTART)
3648                 return (ERESTART);
3649
3650         /*
3651          * XXX
3652          * Until we have a better way of doing pack validation,
3653          * don't treat UAs as errors.
3654          */
3655         sense_flags |= SF_RETRY_UA;
3656
3657         if (softc->quirks & DA_Q_RETRY_BUSY)
3658                 sense_flags |= SF_RETRY_BUSY;
3659         return(cam_periph_error(ccb, cam_flags, sense_flags,
3660                                 &softc->saved_ccb));
3661 }
3662
3663 static void
3664 damediapoll(void *arg)
3665 {
3666         struct cam_periph *periph = arg;
3667         struct da_softc *softc = periph->softc;
3668
3669         if (!softc->tur && LIST_EMPTY(&softc->pending_ccbs)) {
3670                 if (cam_periph_acquire(periph) == CAM_REQ_CMP) {
3671                         softc->tur = 1;
3672                         daschedule(periph);
3673                 }
3674         }
3675         /* Queue us up again */
3676         if (da_poll_period != 0)
3677                 callout_schedule(&softc->mediapoll_c, da_poll_period * hz);
3678 }
3679
3680 static void
3681 daprevent(struct cam_periph *periph, int action)
3682 {
3683         struct  da_softc *softc;
3684         union   ccb *ccb;
3685         int     error;
3686
3687         softc = (struct da_softc *)periph->softc;
3688
3689         if (((action == PR_ALLOW)
3690           && (softc->flags & DA_FLAG_PACK_LOCKED) == 0)
3691          || ((action == PR_PREVENT)
3692           && (softc->flags & DA_FLAG_PACK_LOCKED) != 0)) {
3693                 return;
3694         }
3695
3696         ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
3697
3698         scsi_prevent(&ccb->csio,
3699                      /*retries*/1,
3700                      /*cbcfp*/dadone,
3701                      MSG_SIMPLE_Q_TAG,
3702                      action,
3703                      SSD_FULL_SIZE,
3704                      5000);
3705
3706         error = cam_periph_runccb(ccb, daerror, CAM_RETRY_SELTO,
3707             SF_RETRY_UA | SF_NO_PRINT, softc->disk->d_devstat);
3708
3709         if (error == 0) {
3710                 if (action == PR_ALLOW)
3711                         softc->flags &= ~DA_FLAG_PACK_LOCKED;
3712                 else
3713                         softc->flags |= DA_FLAG_PACK_LOCKED;
3714         }
3715
3716         xpt_release_ccb(ccb);
3717 }
3718
3719 static void
3720 dasetgeom(struct cam_periph *periph, uint32_t block_len, uint64_t maxsector,
3721           struct scsi_read_capacity_data_long *rcaplong, size_t rcap_len)
3722 {
3723         struct ccb_calc_geometry ccg;
3724         struct da_softc *softc;
3725         struct disk_params *dp;
3726         u_int lbppbe, lalba;
3727         int error;
3728
3729         softc = (struct da_softc *)periph->softc;
3730
3731         dp = &softc->params;
3732         dp->secsize = block_len;
3733         dp->sectors = maxsector + 1;
3734         if (rcaplong != NULL) {
3735                 lbppbe = rcaplong->prot_lbppbe & SRC16_LBPPBE;
3736                 lalba = scsi_2btoul(rcaplong->lalba_lbp);
3737                 lalba &= SRC16_LALBA_A;
3738         } else {
3739                 lbppbe = 0;
3740                 lalba = 0;
3741         }
3742
3743         if (lbppbe > 0) {
3744                 dp->stripesize = block_len << lbppbe;
3745                 dp->stripeoffset = (dp->stripesize - block_len * lalba) %
3746                     dp->stripesize;
3747         } else if (softc->quirks & DA_Q_4K) {
3748                 dp->stripesize = 4096;
3749                 dp->stripeoffset = 0;
3750         } else {
3751                 dp->stripesize = 0;
3752                 dp->stripeoffset = 0;
3753         }
3754         /*
3755          * Have the controller provide us with a geometry
3756          * for this disk.  The only time the geometry
3757          * matters is when we boot and the controller
3758          * is the only one knowledgeable enough to come
3759          * up with something that will make this a bootable
3760          * device.
3761          */
3762         xpt_setup_ccb(&ccg.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
3763         ccg.ccb_h.func_code = XPT_CALC_GEOMETRY;
3764         ccg.block_size = dp->secsize;
3765         ccg.volume_size = dp->sectors;
3766         ccg.heads = 0;
3767         ccg.secs_per_track = 0;
3768         ccg.cylinders = 0;
3769         xpt_action((union ccb*)&ccg);
3770         if ((ccg.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
3771                 /*
3772                  * We don't know what went wrong here- but just pick
3773                  * a geometry so we don't have nasty things like divide
3774                  * by zero.
3775                  */
3776                 dp->heads = 255;
3777                 dp->secs_per_track = 255;
3778                 dp->cylinders = dp->sectors / (255 * 255);
3779                 if (dp->cylinders == 0) {
3780                         dp->cylinders = 1;
3781                 }
3782         } else {
3783                 dp->heads = ccg.heads;
3784                 dp->secs_per_track = ccg.secs_per_track;
3785                 dp->cylinders = ccg.cylinders;
3786         }
3787
3788         /*
3789          * If the user supplied a read capacity buffer, and if it is
3790          * different than the previous buffer, update the data in the EDT.
3791          * If it's the same, we don't bother.  This avoids sending an
3792          * update every time someone opens this device.
3793          */
3794         if ((rcaplong != NULL)
3795          && (bcmp(rcaplong, &softc->rcaplong,
3796                   min(sizeof(softc->rcaplong), rcap_len)) != 0)) {
3797                 struct ccb_dev_advinfo cdai;
3798
3799                 xpt_setup_ccb(&cdai.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
3800                 cdai.ccb_h.func_code = XPT_DEV_ADVINFO;
3801                 cdai.buftype = CDAI_TYPE_RCAPLONG;
3802                 cdai.flags = CDAI_FLAG_STORE;
3803                 cdai.bufsiz = rcap_len;
3804                 cdai.buf = (uint8_t *)rcaplong;
3805                 xpt_action((union ccb *)&cdai);
3806                 if ((cdai.ccb_h.status & CAM_DEV_QFRZN) != 0)
3807                         cam_release_devq(cdai.ccb_h.path, 0, 0, 0, FALSE);
3808                 if (cdai.ccb_h.status != CAM_REQ_CMP) {
3809                         xpt_print(periph->path, "%s: failed to set read "
3810                                   "capacity advinfo\n", __func__);
3811                         /* Use cam_error_print() to decode the status */
3812                         cam_error_print((union ccb *)&cdai, CAM_ESF_CAM_STATUS,
3813                                         CAM_EPF_ALL);
3814                 } else {
3815                         bcopy(rcaplong, &softc->rcaplong,
3816                               min(sizeof(softc->rcaplong), rcap_len));
3817                 }
3818         }
3819
3820         softc->disk->d_sectorsize = softc->params.secsize;
3821         softc->disk->d_mediasize = softc->params.secsize * (off_t)softc->params.sectors;
3822         softc->disk->d_stripesize = softc->params.stripesize;
3823         softc->disk->d_stripeoffset = softc->params.stripeoffset;
3824         /* XXX: these are not actually "firmware" values, so they may be wrong */
3825         softc->disk->d_fwsectors = softc->params.secs_per_track;
3826         softc->disk->d_fwheads = softc->params.heads;
3827         softc->disk->d_devstat->block_size = softc->params.secsize;
3828         softc->disk->d_devstat->flags &= ~DEVSTAT_BS_UNAVAILABLE;
3829
3830         error = disk_resize(softc->disk, M_NOWAIT);
3831         if (error != 0)
3832                 xpt_print(periph->path, "disk_resize(9) failed, error = %d\n", error);
3833 }
3834
3835 static void
3836 dasendorderedtag(void *arg)
3837 {
3838         struct da_softc *softc = arg;
3839
3840         if (da_send_ordered) {
3841                 if (!LIST_EMPTY(&softc->pending_ccbs)) {
3842                         if ((softc->flags & DA_FLAG_WAS_OTAG) == 0)
3843                                 softc->flags |= DA_FLAG_NEED_OTAG;
3844                         softc->flags &= ~DA_FLAG_WAS_OTAG;
3845                 }
3846         }
3847         /* Queue us up again */
3848         callout_reset(&softc->sendordered_c,
3849             (da_default_timeout * hz) / DA_ORDEREDTAG_INTERVAL,
3850             dasendorderedtag, softc);
3851 }
3852
3853 /*
3854  * Step through all DA peripheral drivers, and if the device is still open,
3855  * sync the disk cache to physical media.
3856  */
3857 static void
3858 dashutdown(void * arg, int howto)
3859 {
3860         struct cam_periph *periph;
3861         struct da_softc *softc;
3862         union ccb *ccb;
3863         int error;
3864
3865         CAM_PERIPH_FOREACH(periph, &dadriver) {
3866                 softc = (struct da_softc *)periph->softc;
3867                 if (SCHEDULER_STOPPED()) {
3868                         /* If we paniced with the lock held, do not recurse. */
3869                         if (!cam_periph_owned(periph) &&
3870                             (softc->flags & DA_FLAG_OPEN)) {
3871                                 dadump(softc->disk, NULL, 0, 0, 0);
3872                         }
3873                         continue;
3874                 }
3875                 cam_periph_lock(periph);
3876
3877                 /*
3878                  * We only sync the cache if the drive is still open, and
3879                  * if the drive is capable of it..
3880                  */
3881                 if (((softc->flags & DA_FLAG_OPEN) == 0)
3882                  || (softc->quirks & DA_Q_NO_SYNC_CACHE)) {
3883                         cam_periph_unlock(periph);
3884                         continue;
3885                 }
3886
3887                 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
3888                 scsi_synchronize_cache(&ccb->csio,
3889                                        /*retries*/0,
3890                                        /*cbfcnp*/dadone,
3891                                        MSG_SIMPLE_Q_TAG,
3892                                        /*begin_lba*/0, /* whole disk */
3893                                        /*lb_count*/0,
3894                                        SSD_FULL_SIZE,
3895                                        60 * 60 * 1000);
3896
3897                 error = cam_periph_runccb(ccb, daerror, /*cam_flags*/0,
3898                     /*sense_flags*/ SF_NO_RECOVERY | SF_NO_RETRY | SF_QUIET_IR,
3899                     softc->disk->d_devstat);
3900                 if (error != 0)
3901                         xpt_print(periph->path, "Synchronize cache failed\n");
3902                 xpt_release_ccb(ccb);
3903                 cam_periph_unlock(periph);
3904         }
3905 }
3906
3907 #else /* !_KERNEL */
3908
3909 /*
3910  * XXX These are only left out of the kernel build to silence warnings.  If,
3911  * for some reason these functions are used in the kernel, the ifdefs should
3912  * be moved so they are included both in the kernel and userland.
3913  */
3914 void
3915 scsi_format_unit(struct ccb_scsiio *csio, u_int32_t retries,
3916                  void (*cbfcnp)(struct cam_periph *, union ccb *),
3917                  u_int8_t tag_action, u_int8_t byte2, u_int16_t ileave,
3918                  u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len,
3919                  u_int32_t timeout)
3920 {
3921         struct scsi_format_unit *scsi_cmd;
3922
3923         scsi_cmd = (struct scsi_format_unit *)&csio->cdb_io.cdb_bytes;
3924         scsi_cmd->opcode = FORMAT_UNIT;
3925         scsi_cmd->byte2 = byte2;
3926         scsi_ulto2b(ileave, scsi_cmd->interleave);
3927
3928         cam_fill_csio(csio,
3929                       retries,
3930                       cbfcnp,
3931                       /*flags*/ (dxfer_len > 0) ? CAM_DIR_OUT : CAM_DIR_NONE,
3932                       tag_action,
3933                       data_ptr,
3934                       dxfer_len,
3935                       sense_len,
3936                       sizeof(*scsi_cmd),
3937                       timeout);
3938 }
3939
3940 void
3941 scsi_read_defects(struct ccb_scsiio *csio, uint32_t retries,
3942                   void (*cbfcnp)(struct cam_periph *, union ccb *),
3943                   uint8_t tag_action, uint8_t list_format,
3944                   uint32_t addr_desc_index, uint8_t *data_ptr,
3945                   uint32_t dxfer_len, int minimum_cmd_size,
3946                   uint8_t sense_len, uint32_t timeout)
3947 {
3948         uint8_t cdb_len;
3949
3950         /*
3951          * These conditions allow using the 10 byte command.  Otherwise we
3952          * need to use the 12 byte command.
3953          */
3954         if ((minimum_cmd_size <= 10)
3955          && (addr_desc_index == 0)
3956          && (dxfer_len <= SRDD10_MAX_LENGTH)) {
3957                 struct scsi_read_defect_data_10 *cdb10;
3958
3959                 cdb10 = (struct scsi_read_defect_data_10 *)
3960                         &csio->cdb_io.cdb_bytes;
3961
3962                 cdb_len = sizeof(*cdb10);
3963                 bzero(cdb10, cdb_len);
3964                 cdb10->opcode = READ_DEFECT_DATA_10;
3965                 cdb10->format = list_format;
3966                 scsi_ulto2b(dxfer_len, cdb10->alloc_length);
3967         } else {
3968                 struct scsi_read_defect_data_12 *cdb12;
3969
3970                 cdb12 = (struct scsi_read_defect_data_12 *)
3971                         &csio->cdb_io.cdb_bytes;
3972
3973                 cdb_len = sizeof(*cdb12);
3974                 bzero(cdb12, cdb_len);
3975                 cdb12->opcode = READ_DEFECT_DATA_12;
3976                 cdb12->format = list_format;
3977                 scsi_ulto4b(dxfer_len, cdb12->alloc_length);
3978                 scsi_ulto4b(addr_desc_index, cdb12->address_descriptor_index);
3979         }
3980
3981         cam_fill_csio(csio,
3982                       retries,
3983                       cbfcnp,
3984                       /*flags*/ CAM_DIR_IN,
3985                       tag_action,
3986                       data_ptr,
3987                       dxfer_len,
3988                       sense_len,
3989                       cdb_len,
3990                       timeout);
3991 }
3992
3993 void
3994 scsi_sanitize(struct ccb_scsiio *csio, u_int32_t retries,
3995               void (*cbfcnp)(struct cam_periph *, union ccb *),
3996               u_int8_t tag_action, u_int8_t byte2, u_int16_t control,
3997               u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len,
3998               u_int32_t timeout)
3999 {
4000         struct scsi_sanitize *scsi_cmd;
4001
4002         scsi_cmd = (struct scsi_sanitize *)&csio->cdb_io.cdb_bytes;
4003         scsi_cmd->opcode = SANITIZE;
4004         scsi_cmd->byte2 = byte2;
4005         scsi_cmd->control = control;
4006         scsi_ulto2b(dxfer_len, scsi_cmd->length);
4007
4008         cam_fill_csio(csio,
4009                       retries,
4010                       cbfcnp,
4011                       /*flags*/ (dxfer_len > 0) ? CAM_DIR_OUT : CAM_DIR_NONE,
4012                       tag_action,
4013                       data_ptr,
4014                       dxfer_len,
4015                       sense_len,
4016                       sizeof(*scsi_cmd),
4017                       timeout);
4018 }
4019
4020 #endif /* _KERNEL */