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_RWTUN,
1256            &da_poll_period, 0, "Media polling period in seconds");
1257 SYSCTL_INT(_kern_cam_da, OID_AUTO, retry_count, CTLFLAG_RWTUN,
1258            &da_retry_count, 0, "Normal I/O retry count");
1259 SYSCTL_INT(_kern_cam_da, OID_AUTO, default_timeout, CTLFLAG_RWTUN,
1260            &da_default_timeout, 0, "Normal I/O timeout (in seconds)");
1261 SYSCTL_INT(_kern_cam_da, OID_AUTO, send_ordered, CTLFLAG_RWTUN,
1262            &da_send_ordered, 0, "Send Ordered Tags");
1263
1264 /*
1265  * DA_ORDEREDTAG_INTERVAL determines how often, relative
1266  * to the default timeout, we check to see whether an ordered
1267  * tagged transaction is appropriate to prevent simple tag
1268  * starvation.  Since we'd like to ensure that there is at least
1269  * 1/2 of the timeout length left for a starved transaction to
1270  * complete after we've sent an ordered tag, we must poll at least
1271  * four times in every timeout period.  This takes care of the worst
1272  * case where a starved transaction starts during an interval that
1273  * meets the requirement "don't send an ordered tag" test so it takes
1274  * us two intervals to determine that a tag must be sent.
1275  */
1276 #ifndef DA_ORDEREDTAG_INTERVAL
1277 #define DA_ORDEREDTAG_INTERVAL 4
1278 #endif
1279
1280 static struct periph_driver dadriver =
1281 {
1282         dainit, "da",
1283         TAILQ_HEAD_INITIALIZER(dadriver.units), /* generation */ 0
1284 };
1285
1286 PERIPHDRIVER_DECLARE(da, dadriver);
1287
1288 static MALLOC_DEFINE(M_SCSIDA, "scsi_da", "scsi_da buffers");
1289
1290 static int
1291 daopen(struct disk *dp)
1292 {
1293         struct cam_periph *periph;
1294         struct da_softc *softc;
1295         int error;
1296
1297         periph = (struct cam_periph *)dp->d_drv1;
1298         if (cam_periph_acquire(periph) != CAM_REQ_CMP) {
1299                 return (ENXIO);
1300         }
1301
1302         cam_periph_lock(periph);
1303         if ((error = cam_periph_hold(periph, PRIBIO|PCATCH)) != 0) {
1304                 cam_periph_unlock(periph);
1305                 cam_periph_release(periph);
1306                 return (error);
1307         }
1308
1309         CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH,
1310             ("daopen\n"));
1311
1312         softc = (struct da_softc *)periph->softc;
1313         dareprobe(periph);
1314
1315         /* Wait for the disk size update.  */
1316         error = cam_periph_sleep(periph, &softc->disk->d_mediasize, PRIBIO,
1317             "dareprobe", 0);
1318         if (error != 0)
1319                 xpt_print(periph->path, "unable to retrieve capacity data\n");
1320
1321         if (periph->flags & CAM_PERIPH_INVALID)
1322                 error = ENXIO;
1323
1324         if (error == 0 && (softc->flags & DA_FLAG_PACK_REMOVABLE) != 0 &&
1325             (softc->quirks & DA_Q_NO_PREVENT) == 0)
1326                 daprevent(periph, PR_PREVENT);
1327
1328         if (error == 0) {
1329                 softc->flags &= ~DA_FLAG_PACK_INVALID;
1330                 softc->flags |= DA_FLAG_OPEN;
1331         }
1332
1333         cam_periph_unhold(periph);
1334         cam_periph_unlock(periph);
1335
1336         if (error != 0)
1337                 cam_periph_release(periph);
1338
1339         return (error);
1340 }
1341
1342 static int
1343 daclose(struct disk *dp)
1344 {
1345         struct  cam_periph *periph;
1346         struct  da_softc *softc;
1347         union   ccb *ccb;
1348         int error;
1349
1350         periph = (struct cam_periph *)dp->d_drv1;
1351         softc = (struct da_softc *)periph->softc;
1352         cam_periph_lock(periph);
1353         CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH,
1354             ("daclose\n"));
1355
1356         if (cam_periph_hold(periph, PRIBIO) == 0) {
1357
1358                 /* Flush disk cache. */
1359                 if ((softc->flags & DA_FLAG_DIRTY) != 0 &&
1360                     (softc->quirks & DA_Q_NO_SYNC_CACHE) == 0 &&
1361                     (softc->flags & DA_FLAG_PACK_INVALID) == 0) {
1362                         ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
1363                         scsi_synchronize_cache(&ccb->csio, /*retries*/1,
1364                             /*cbfcnp*/dadone, MSG_SIMPLE_Q_TAG,
1365                             /*begin_lba*/0, /*lb_count*/0, SSD_FULL_SIZE,
1366                             5 * 60 * 1000);
1367                         error = cam_periph_runccb(ccb, daerror, /*cam_flags*/0,
1368                             /*sense_flags*/SF_RETRY_UA | SF_QUIET_IR,
1369                             softc->disk->d_devstat);
1370                         if (error == 0)
1371                                 softc->flags &= ~DA_FLAG_DIRTY;
1372                         xpt_release_ccb(ccb);
1373                 }
1374
1375                 /* Allow medium removal. */
1376                 if ((softc->flags & DA_FLAG_PACK_REMOVABLE) != 0 &&
1377                     (softc->quirks & DA_Q_NO_PREVENT) == 0)
1378                         daprevent(periph, PR_ALLOW);
1379
1380                 cam_periph_unhold(periph);
1381         }
1382
1383         /*
1384          * If we've got removeable media, mark the blocksize as
1385          * unavailable, since it could change when new media is
1386          * inserted.
1387          */
1388         if ((softc->flags & DA_FLAG_PACK_REMOVABLE) != 0)
1389                 softc->disk->d_devstat->flags |= DEVSTAT_BS_UNAVAILABLE;
1390
1391         softc->flags &= ~DA_FLAG_OPEN;
1392         while (softc->refcount != 0)
1393                 cam_periph_sleep(periph, &softc->refcount, PRIBIO, "daclose", 1);
1394         cam_periph_unlock(periph);
1395         cam_periph_release(periph);
1396         return (0);
1397 }
1398
1399 static void
1400 daschedule(struct cam_periph *periph)
1401 {
1402         struct da_softc *softc = (struct da_softc *)periph->softc;
1403
1404         if (softc->state != DA_STATE_NORMAL)
1405                 return;
1406
1407         /* Check if we have more work to do. */
1408         if (bioq_first(&softc->bio_queue) ||
1409             (!softc->delete_running && bioq_first(&softc->delete_queue)) ||
1410             softc->tur) {
1411                 xpt_schedule(periph, CAM_PRIORITY_NORMAL);
1412         }
1413 }
1414
1415 /*
1416  * Actually translate the requested transfer into one the physical driver
1417  * can understand.  The transfer is described by a buf and will include
1418  * only one physical transfer.
1419  */
1420 static void
1421 dastrategy(struct bio *bp)
1422 {
1423         struct cam_periph *periph;
1424         struct da_softc *softc;
1425
1426         periph = (struct cam_periph *)bp->bio_disk->d_drv1;
1427         softc = (struct da_softc *)periph->softc;
1428
1429         cam_periph_lock(periph);
1430
1431         /*
1432          * If the device has been made invalid, error out
1433          */
1434         if ((softc->flags & DA_FLAG_PACK_INVALID)) {
1435                 cam_periph_unlock(periph);
1436                 biofinish(bp, NULL, ENXIO);
1437                 return;
1438         }
1439
1440         CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dastrategy(%p)\n", bp));
1441
1442         /*
1443          * Place it in the queue of disk activities for this disk
1444          */
1445         if (bp->bio_cmd == BIO_DELETE) {
1446                 bioq_disksort(&softc->delete_queue, bp);
1447         } else if (DA_SIO) {
1448                 bioq_disksort(&softc->bio_queue, bp);
1449         } else {
1450                 bioq_insert_tail(&softc->bio_queue, bp);
1451         }
1452
1453         /*
1454          * Schedule ourselves for performing the work.
1455          */
1456         daschedule(periph);
1457         cam_periph_unlock(periph);
1458
1459         return;
1460 }
1461
1462 static int
1463 dadump(void *arg, void *virtual, vm_offset_t physical, off_t offset, size_t length)
1464 {
1465         struct      cam_periph *periph;
1466         struct      da_softc *softc;
1467         u_int       secsize;
1468         struct      ccb_scsiio csio;
1469         struct      disk *dp;
1470         int         error = 0;
1471
1472         dp = arg;
1473         periph = dp->d_drv1;
1474         softc = (struct da_softc *)periph->softc;
1475         cam_periph_lock(periph);
1476         secsize = softc->params.secsize;
1477
1478         if ((softc->flags & DA_FLAG_PACK_INVALID) != 0) {
1479                 cam_periph_unlock(periph);
1480                 return (ENXIO);
1481         }
1482
1483         if (length > 0) {
1484                 xpt_setup_ccb(&csio.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
1485                 csio.ccb_h.ccb_state = DA_CCB_DUMP;
1486                 scsi_read_write(&csio,
1487                                 /*retries*/0,
1488                                 dadone,
1489                                 MSG_ORDERED_Q_TAG,
1490                                 /*read*/SCSI_RW_WRITE,
1491                                 /*byte2*/0,
1492                                 /*minimum_cmd_size*/ softc->minimum_cmd_size,
1493                                 offset / secsize,
1494                                 length / secsize,
1495                                 /*data_ptr*/(u_int8_t *) virtual,
1496                                 /*dxfer_len*/length,
1497                                 /*sense_len*/SSD_FULL_SIZE,
1498                                 da_default_timeout * 1000);
1499                 xpt_polled_action((union ccb *)&csio);
1500
1501                 error = cam_periph_error((union ccb *)&csio,
1502                     0, SF_NO_RECOVERY | SF_NO_RETRY, NULL);
1503                 if ((csio.ccb_h.status & CAM_DEV_QFRZN) != 0)
1504                         cam_release_devq(csio.ccb_h.path, /*relsim_flags*/0,
1505                             /*reduction*/0, /*timeout*/0, /*getcount_only*/0);
1506                 if (error != 0)
1507                         printf("Aborting dump due to I/O error.\n");
1508                 cam_periph_unlock(periph);
1509                 return (error);
1510         }
1511
1512         /*
1513          * Sync the disk cache contents to the physical media.
1514          */
1515         if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) {
1516
1517                 xpt_setup_ccb(&csio.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
1518                 csio.ccb_h.ccb_state = DA_CCB_DUMP;
1519                 scsi_synchronize_cache(&csio,
1520                                        /*retries*/0,
1521                                        /*cbfcnp*/dadone,
1522                                        MSG_SIMPLE_Q_TAG,
1523                                        /*begin_lba*/0,/* Cover the whole disk */
1524                                        /*lb_count*/0,
1525                                        SSD_FULL_SIZE,
1526                                        5 * 60 * 1000);
1527                 xpt_polled_action((union ccb *)&csio);
1528
1529                 error = cam_periph_error((union ccb *)&csio,
1530                     0, SF_NO_RECOVERY | SF_NO_RETRY | SF_QUIET_IR, NULL);
1531                 if ((csio.ccb_h.status & CAM_DEV_QFRZN) != 0)
1532                         cam_release_devq(csio.ccb_h.path, /*relsim_flags*/0,
1533                             /*reduction*/0, /*timeout*/0, /*getcount_only*/0);
1534                 if (error != 0)
1535                         xpt_print(periph->path, "Synchronize cache failed\n");
1536         }
1537         cam_periph_unlock(periph);
1538         return (error);
1539 }
1540
1541 static int
1542 dagetattr(struct bio *bp)
1543 {
1544         int ret;
1545         struct cam_periph *periph;
1546
1547         periph = (struct cam_periph *)bp->bio_disk->d_drv1;
1548         cam_periph_lock(periph);
1549         ret = xpt_getattr(bp->bio_data, bp->bio_length, bp->bio_attribute,
1550             periph->path);
1551         cam_periph_unlock(periph);
1552         if (ret == 0)
1553                 bp->bio_completed = bp->bio_length;
1554         return ret;
1555 }
1556
1557 static void
1558 dainit(void)
1559 {
1560         cam_status status;
1561
1562         /*
1563          * Install a global async callback.  This callback will
1564          * receive async callbacks like "new device found".
1565          */
1566         status = xpt_register_async(AC_FOUND_DEVICE, daasync, NULL, NULL);
1567
1568         if (status != CAM_REQ_CMP) {
1569                 printf("da: Failed to attach master async callback "
1570                        "due to status 0x%x!\n", status);
1571         } else if (da_send_ordered) {
1572
1573                 /* Register our shutdown event handler */
1574                 if ((EVENTHANDLER_REGISTER(shutdown_post_sync, dashutdown,
1575                                            NULL, SHUTDOWN_PRI_DEFAULT)) == NULL)
1576                     printf("dainit: shutdown event registration failed!\n");
1577         }
1578 }
1579
1580 /*
1581  * Callback from GEOM, called when it has finished cleaning up its
1582  * resources.
1583  */
1584 static void
1585 dadiskgonecb(struct disk *dp)
1586 {
1587         struct cam_periph *periph;
1588
1589         periph = (struct cam_periph *)dp->d_drv1;
1590         cam_periph_release(periph);
1591 }
1592
1593 static void
1594 daoninvalidate(struct cam_periph *periph)
1595 {
1596         struct da_softc *softc;
1597
1598         softc = (struct da_softc *)periph->softc;
1599
1600         /*
1601          * De-register any async callbacks.
1602          */
1603         xpt_register_async(0, daasync, periph, periph->path);
1604
1605         softc->flags |= DA_FLAG_PACK_INVALID;
1606
1607         /*
1608          * Return all queued I/O with ENXIO.
1609          * XXX Handle any transactions queued to the card
1610          *     with XPT_ABORT_CCB.
1611          */
1612         bioq_flush(&softc->bio_queue, NULL, ENXIO);
1613         bioq_flush(&softc->delete_queue, NULL, ENXIO);
1614
1615         /*
1616          * Tell GEOM that we've gone away, we'll get a callback when it is
1617          * done cleaning up its resources.
1618          */
1619         disk_gone(softc->disk);
1620 }
1621
1622 static void
1623 dacleanup(struct cam_periph *periph)
1624 {
1625         struct da_softc *softc;
1626
1627         softc = (struct da_softc *)periph->softc;
1628
1629         cam_periph_unlock(periph);
1630
1631         /*
1632          * If we can't free the sysctl tree, oh well...
1633          */
1634         if ((softc->flags & DA_FLAG_SCTX_INIT) != 0
1635             && sysctl_ctx_free(&softc->sysctl_ctx) != 0) {
1636                 xpt_print(periph->path, "can't remove sysctl context\n");
1637         }
1638
1639         callout_drain(&softc->mediapoll_c);
1640         disk_destroy(softc->disk);
1641         callout_drain(&softc->sendordered_c);
1642         free(softc, M_DEVBUF);
1643         cam_periph_lock(periph);
1644 }
1645
1646 static void
1647 daasync(void *callback_arg, u_int32_t code,
1648         struct cam_path *path, void *arg)
1649 {
1650         struct cam_periph *periph;
1651         struct da_softc *softc;
1652
1653         periph = (struct cam_periph *)callback_arg;
1654         switch (code) {
1655         case AC_FOUND_DEVICE:
1656         {
1657                 struct ccb_getdev *cgd;
1658                 cam_status status;
1659
1660                 cgd = (struct ccb_getdev *)arg;
1661                 if (cgd == NULL)
1662                         break;
1663
1664                 if (cgd->protocol != PROTO_SCSI)
1665                         break;
1666                 if (SID_QUAL(&cgd->inq_data) != SID_QUAL_LU_CONNECTED)
1667                         break;
1668                 if (SID_TYPE(&cgd->inq_data) != T_DIRECT
1669                     && SID_TYPE(&cgd->inq_data) != T_RBC
1670                     && SID_TYPE(&cgd->inq_data) != T_OPTICAL)
1671                         break;
1672
1673                 /*
1674                  * Allocate a peripheral instance for
1675                  * this device and start the probe
1676                  * process.
1677                  */
1678                 status = cam_periph_alloc(daregister, daoninvalidate,
1679                                           dacleanup, dastart,
1680                                           "da", CAM_PERIPH_BIO,
1681                                           path, daasync,
1682                                           AC_FOUND_DEVICE, cgd);
1683
1684                 if (status != CAM_REQ_CMP
1685                  && status != CAM_REQ_INPROG)
1686                         printf("daasync: Unable to attach to new device "
1687                                 "due to status 0x%x\n", status);
1688                 return;
1689         }
1690         case AC_ADVINFO_CHANGED:
1691         {
1692                 uintptr_t buftype;
1693
1694                 buftype = (uintptr_t)arg;
1695                 if (buftype == CDAI_TYPE_PHYS_PATH) {
1696                         struct da_softc *softc;
1697
1698                         softc = periph->softc;
1699                         disk_attr_changed(softc->disk, "GEOM::physpath",
1700                                           M_NOWAIT);
1701                 }
1702                 break;
1703         }
1704         case AC_UNIT_ATTENTION:
1705         {
1706                 union ccb *ccb;
1707                 int error_code, sense_key, asc, ascq;
1708
1709                 softc = (struct da_softc *)periph->softc;
1710                 ccb = (union ccb *)arg;
1711
1712                 /*
1713                  * Handle all UNIT ATTENTIONs except our own,
1714                  * as they will be handled by daerror().
1715                  */
1716                 if (xpt_path_periph(ccb->ccb_h.path) != periph &&
1717                     scsi_extract_sense_ccb(ccb,
1718                      &error_code, &sense_key, &asc, &ascq)) {
1719                         if (asc == 0x2A && ascq == 0x09) {
1720                                 xpt_print(ccb->ccb_h.path,
1721                                     "Capacity data has changed\n");
1722                                 softc->flags &= ~DA_FLAG_PROBED;
1723                                 dareprobe(periph);
1724                         } else if (asc == 0x28 && ascq == 0x00) {
1725                                 softc->flags &= ~DA_FLAG_PROBED;
1726                                 disk_media_changed(softc->disk, M_NOWAIT);
1727                         } else if (asc == 0x3F && ascq == 0x03) {
1728                                 xpt_print(ccb->ccb_h.path,
1729                                     "INQUIRY data has changed\n");
1730                                 softc->flags &= ~DA_FLAG_PROBED;
1731                                 dareprobe(periph);
1732                         }
1733                 }
1734                 cam_periph_async(periph, code, path, arg);
1735                 break;
1736         }
1737         case AC_SCSI_AEN:
1738                 softc = (struct da_softc *)periph->softc;
1739                 if (!softc->tur) {
1740                         if (cam_periph_acquire(periph) == CAM_REQ_CMP) {
1741                                 softc->tur = 1;
1742                                 daschedule(periph);
1743                         }
1744                 }
1745                 /* FALLTHROUGH */
1746         case AC_SENT_BDR:
1747         case AC_BUS_RESET:
1748         {
1749                 struct ccb_hdr *ccbh;
1750
1751                 softc = (struct da_softc *)periph->softc;
1752                 /*
1753                  * Don't fail on the expected unit attention
1754                  * that will occur.
1755                  */
1756                 softc->flags |= DA_FLAG_RETRY_UA;
1757                 LIST_FOREACH(ccbh, &softc->pending_ccbs, periph_links.le)
1758                         ccbh->ccb_state |= DA_CCB_RETRY_UA;
1759                 break;
1760         }
1761         default:
1762                 break;
1763         }
1764         cam_periph_async(periph, code, path, arg);
1765 }
1766
1767 static void
1768 dasysctlinit(void *context, int pending)
1769 {
1770         struct cam_periph *periph;
1771         struct da_softc *softc;
1772         char tmpstr[80], tmpstr2[80];
1773         struct ccb_trans_settings cts;
1774
1775         periph = (struct cam_periph *)context;
1776         /*
1777          * periph was held for us when this task was enqueued
1778          */
1779         if (periph->flags & CAM_PERIPH_INVALID) {
1780                 cam_periph_release(periph);
1781                 return;
1782         }
1783
1784         softc = (struct da_softc *)periph->softc;
1785         snprintf(tmpstr, sizeof(tmpstr), "CAM DA unit %d", periph->unit_number);
1786         snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number);
1787
1788         sysctl_ctx_init(&softc->sysctl_ctx);
1789         softc->flags |= DA_FLAG_SCTX_INIT;
1790         softc->sysctl_tree = SYSCTL_ADD_NODE(&softc->sysctl_ctx,
1791                 SYSCTL_STATIC_CHILDREN(_kern_cam_da), OID_AUTO, tmpstr2,
1792                 CTLFLAG_RD, 0, tmpstr);
1793         if (softc->sysctl_tree == NULL) {
1794                 printf("dasysctlinit: unable to allocate sysctl tree\n");
1795                 cam_periph_release(periph);
1796                 return;
1797         }
1798
1799         /*
1800          * Now register the sysctl handler, so the user can change the value on
1801          * the fly.
1802          */
1803         SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1804                 OID_AUTO, "delete_method", CTLTYPE_STRING | CTLFLAG_RW,
1805                 softc, 0, dadeletemethodsysctl, "A",
1806                 "BIO_DELETE execution method");
1807         SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1808                 OID_AUTO, "delete_max", CTLTYPE_U64 | CTLFLAG_RW,
1809                 softc, 0, dadeletemaxsysctl, "Q",
1810                 "Maximum BIO_DELETE size");
1811         SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1812                 OID_AUTO, "minimum_cmd_size", CTLTYPE_INT | CTLFLAG_RW,
1813                 &softc->minimum_cmd_size, 0, dacmdsizesysctl, "I",
1814                 "Minimum CDB size");
1815         SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1816                 OID_AUTO, "sort_io_queue", CTLFLAG_RW, &softc->sort_io_queue, 0,
1817                 "Sort IO queue to try and optimise disk access patterns");
1818
1819         SYSCTL_ADD_INT(&softc->sysctl_ctx,
1820                        SYSCTL_CHILDREN(softc->sysctl_tree),
1821                        OID_AUTO,
1822                        "error_inject",
1823                        CTLFLAG_RW,
1824                        &softc->error_inject,
1825                        0,
1826                        "error_inject leaf");
1827
1828
1829         /*
1830          * Add some addressing info.
1831          */
1832         memset(&cts, 0, sizeof (cts));
1833         xpt_setup_ccb(&cts.ccb_h, periph->path, CAM_PRIORITY_NONE);
1834         cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS;
1835         cts.type = CTS_TYPE_CURRENT_SETTINGS;
1836         cam_periph_lock(periph);
1837         xpt_action((union ccb *)&cts);
1838         cam_periph_unlock(periph);
1839         if (cts.ccb_h.status != CAM_REQ_CMP) {
1840                 cam_periph_release(periph);
1841                 return;
1842         }
1843         if (cts.protocol == PROTO_SCSI && cts.transport == XPORT_FC) {
1844                 struct ccb_trans_settings_fc *fc = &cts.xport_specific.fc;
1845                 if (fc->valid & CTS_FC_VALID_WWPN) {
1846                         softc->wwpn = fc->wwpn;
1847                         SYSCTL_ADD_UQUAD(&softc->sysctl_ctx,
1848                             SYSCTL_CHILDREN(softc->sysctl_tree),
1849                             OID_AUTO, "wwpn", CTLFLAG_RD,
1850                             &softc->wwpn, "World Wide Port Name");
1851                 }
1852         }
1853         cam_periph_release(periph);
1854 }
1855
1856 static int
1857 dadeletemaxsysctl(SYSCTL_HANDLER_ARGS)
1858 {
1859         int error;
1860         uint64_t value;
1861         struct da_softc *softc;
1862
1863         softc = (struct da_softc *)arg1;
1864
1865         value = softc->disk->d_delmaxsize;
1866         error = sysctl_handle_64(oidp, &value, 0, req);
1867         if ((error != 0) || (req->newptr == NULL))
1868                 return (error);
1869
1870         /* only accept values smaller than the calculated value */
1871         if (value > dadeletemaxsize(softc, softc->delete_method)) {
1872                 return (EINVAL);
1873         }
1874         softc->disk->d_delmaxsize = value;
1875
1876         return (0);
1877 }
1878
1879 static int
1880 dacmdsizesysctl(SYSCTL_HANDLER_ARGS)
1881 {
1882         int error, value;
1883
1884         value = *(int *)arg1;
1885
1886         error = sysctl_handle_int(oidp, &value, 0, req);
1887
1888         if ((error != 0)
1889          || (req->newptr == NULL))
1890                 return (error);
1891
1892         /*
1893          * Acceptable values here are 6, 10, 12 or 16.
1894          */
1895         if (value < 6)
1896                 value = 6;
1897         else if ((value > 6)
1898               && (value <= 10))
1899                 value = 10;
1900         else if ((value > 10)
1901               && (value <= 12))
1902                 value = 12;
1903         else if (value > 12)
1904                 value = 16;
1905
1906         *(int *)arg1 = value;
1907
1908         return (0);
1909 }
1910
1911 static void
1912 dadeletemethodset(struct da_softc *softc, da_delete_methods delete_method)
1913 {
1914
1915
1916         softc->delete_method = delete_method;
1917         softc->disk->d_delmaxsize = dadeletemaxsize(softc, delete_method);
1918         softc->delete_func = da_delete_functions[delete_method];
1919
1920         if (softc->delete_method > DA_DELETE_DISABLE)
1921                 softc->disk->d_flags |= DISKFLAG_CANDELETE;
1922         else
1923                 softc->disk->d_flags &= ~DISKFLAG_CANDELETE;
1924 }
1925
1926 static off_t
1927 dadeletemaxsize(struct da_softc *softc, da_delete_methods delete_method)
1928 {
1929         off_t sectors;
1930
1931         switch(delete_method) {
1932         case DA_DELETE_UNMAP:
1933                 sectors = (off_t)softc->unmap_max_lba;
1934                 break;
1935         case DA_DELETE_ATA_TRIM:
1936                 sectors = (off_t)ATA_DSM_RANGE_MAX * softc->trim_max_ranges;
1937                 break;
1938         case DA_DELETE_WS16:
1939                 sectors = omin(softc->ws_max_blks, WS16_MAX_BLKS);
1940                 break;
1941         case DA_DELETE_ZERO:
1942         case DA_DELETE_WS10:
1943                 sectors = omin(softc->ws_max_blks, WS10_MAX_BLKS);
1944                 break;
1945         default:
1946                 return 0;
1947         }
1948
1949         return (off_t)softc->params.secsize *
1950             omin(sectors, softc->params.sectors);
1951 }
1952
1953 static void
1954 daprobedone(struct cam_periph *periph, union ccb *ccb)
1955 {
1956         struct da_softc *softc;
1957
1958         softc = (struct da_softc *)periph->softc;
1959
1960         dadeletemethodchoose(softc, DA_DELETE_NONE);
1961
1962         if (bootverbose && (softc->flags & DA_FLAG_ANNOUNCED) == 0) {
1963                 char buf[80];
1964                 int i, sep;
1965
1966                 snprintf(buf, sizeof(buf), "Delete methods: <");
1967                 sep = 0;
1968                 for (i = DA_DELETE_MIN; i <= DA_DELETE_MAX; i++) {
1969                         if (softc->delete_available & (1 << i)) {
1970                                 if (sep) {
1971                                         strlcat(buf, ",", sizeof(buf));
1972                                 } else {
1973                                     sep = 1;
1974                                 }
1975                                 strlcat(buf, da_delete_method_names[i],
1976                                     sizeof(buf));
1977                                 if (i == softc->delete_method) {
1978                                         strlcat(buf, "(*)", sizeof(buf));
1979                                 }
1980                         }
1981                 }
1982                 if (sep == 0) {
1983                         if (softc->delete_method == DA_DELETE_NONE)
1984                                 strlcat(buf, "NONE(*)", sizeof(buf));
1985                         else
1986                                 strlcat(buf, "DISABLED(*)", sizeof(buf));
1987                 }
1988                 strlcat(buf, ">", sizeof(buf));
1989                 printf("%s%d: %s\n", periph->periph_name,
1990                     periph->unit_number, buf);
1991         }
1992
1993         /*
1994          * Since our peripheral may be invalidated by an error
1995          * above or an external event, we must release our CCB
1996          * before releasing the probe lock on the peripheral.
1997          * The peripheral will only go away once the last lock
1998          * is removed, and we need it around for the CCB release
1999          * operation.
2000          */
2001         xpt_release_ccb(ccb);
2002         softc->state = DA_STATE_NORMAL;
2003         softc->flags |= DA_FLAG_PROBED;
2004         daschedule(periph);
2005         wakeup(&softc->disk->d_mediasize);
2006         if ((softc->flags & DA_FLAG_ANNOUNCED) == 0) {
2007                 softc->flags |= DA_FLAG_ANNOUNCED;
2008                 cam_periph_unhold(periph);
2009         } else
2010                 cam_periph_release_locked(periph);
2011 }
2012
2013 static void
2014 dadeletemethodchoose(struct da_softc *softc, da_delete_methods default_method)
2015 {
2016         int i, delete_method;
2017
2018         delete_method = default_method;
2019
2020         /*
2021          * Use the pre-defined order to choose the best
2022          * performing delete.
2023          */
2024         for (i = DA_DELETE_MIN; i <= DA_DELETE_MAX; i++) {
2025                 if (softc->delete_available & (1 << i)) {
2026                         dadeletemethodset(softc, i);
2027                         return;
2028                 }
2029         }
2030         dadeletemethodset(softc, delete_method);
2031 }
2032
2033 static int
2034 dadeletemethodsysctl(SYSCTL_HANDLER_ARGS)
2035 {
2036         char buf[16];
2037         const char *p;
2038         struct da_softc *softc;
2039         int i, error, methods, value;
2040
2041         softc = (struct da_softc *)arg1;
2042
2043         value = softc->delete_method;
2044         if (value < 0 || value > DA_DELETE_MAX)
2045                 p = "UNKNOWN";
2046         else
2047                 p = da_delete_method_names[value];
2048         strncpy(buf, p, sizeof(buf));
2049         error = sysctl_handle_string(oidp, buf, sizeof(buf), req);
2050         if (error != 0 || req->newptr == NULL)
2051                 return (error);
2052         methods = softc->delete_available | (1 << DA_DELETE_DISABLE);
2053         for (i = 0; i <= DA_DELETE_MAX; i++) {
2054                 if (!(methods & (1 << i)) ||
2055                     strcmp(buf, da_delete_method_names[i]) != 0)
2056                         continue;
2057                 dadeletemethodset(softc, i);
2058                 return (0);
2059         }
2060         return (EINVAL);
2061 }
2062
2063 static cam_status
2064 daregister(struct cam_periph *periph, void *arg)
2065 {
2066         struct da_softc *softc;
2067         struct ccb_pathinq cpi;
2068         struct ccb_getdev *cgd;
2069         char tmpstr[80];
2070         caddr_t match;
2071
2072         cgd = (struct ccb_getdev *)arg;
2073         if (cgd == NULL) {
2074                 printf("daregister: no getdev CCB, can't register device\n");
2075                 return(CAM_REQ_CMP_ERR);
2076         }
2077
2078         softc = (struct da_softc *)malloc(sizeof(*softc), M_DEVBUF,
2079             M_NOWAIT|M_ZERO);
2080
2081         if (softc == NULL) {
2082                 printf("daregister: Unable to probe new device. "
2083                        "Unable to allocate softc\n");
2084                 return(CAM_REQ_CMP_ERR);
2085         }
2086
2087         LIST_INIT(&softc->pending_ccbs);
2088         softc->state = DA_STATE_PROBE_RC;
2089         bioq_init(&softc->bio_queue);
2090         bioq_init(&softc->delete_queue);
2091         bioq_init(&softc->delete_run_queue);
2092         if (SID_IS_REMOVABLE(&cgd->inq_data))
2093                 softc->flags |= DA_FLAG_PACK_REMOVABLE;
2094         softc->unmap_max_ranges = UNMAP_MAX_RANGES;
2095         softc->unmap_max_lba = UNMAP_RANGE_MAX;
2096         softc->ws_max_blks = WS16_MAX_BLKS;
2097         softc->trim_max_ranges = ATA_TRIM_MAX_RANGES;
2098         softc->sort_io_queue = -1;
2099
2100         periph->softc = softc;
2101
2102         /*
2103          * See if this device has any quirks.
2104          */
2105         match = cam_quirkmatch((caddr_t)&cgd->inq_data,
2106                                (caddr_t)da_quirk_table,
2107                                sizeof(da_quirk_table)/sizeof(*da_quirk_table),
2108                                sizeof(*da_quirk_table), scsi_inquiry_match);
2109
2110         if (match != NULL)
2111                 softc->quirks = ((struct da_quirk_entry *)match)->quirks;
2112         else
2113                 softc->quirks = DA_Q_NONE;
2114
2115         /* Check if the SIM does not want 6 byte commands */
2116         bzero(&cpi, sizeof(cpi));
2117         xpt_setup_ccb(&cpi.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
2118         cpi.ccb_h.func_code = XPT_PATH_INQ;
2119         xpt_action((union ccb *)&cpi);
2120         if (cpi.ccb_h.status == CAM_REQ_CMP && (cpi.hba_misc & PIM_NO_6_BYTE))
2121                 softc->quirks |= DA_Q_NO_6_BYTE;
2122
2123         TASK_INIT(&softc->sysctl_task, 0, dasysctlinit, periph);
2124
2125         /*
2126          * Take an exclusive refcount on the periph while dastart is called
2127          * to finish the probe.  The reference will be dropped in dadone at
2128          * the end of probe.
2129          */
2130         (void)cam_periph_hold(periph, PRIBIO);
2131
2132         /*
2133          * Schedule a periodic event to occasionally send an
2134          * ordered tag to a device.
2135          */
2136         callout_init_mtx(&softc->sendordered_c, cam_periph_mtx(periph), 0);
2137         callout_reset(&softc->sendordered_c,
2138             (da_default_timeout * hz) / DA_ORDEREDTAG_INTERVAL,
2139             dasendorderedtag, softc);
2140
2141         cam_periph_unlock(periph);
2142         /*
2143          * RBC devices don't have to support READ(6), only READ(10).
2144          */
2145         if (softc->quirks & DA_Q_NO_6_BYTE || SID_TYPE(&cgd->inq_data) == T_RBC)
2146                 softc->minimum_cmd_size = 10;
2147         else
2148                 softc->minimum_cmd_size = 6;
2149
2150         /*
2151          * Load the user's default, if any.
2152          */
2153         snprintf(tmpstr, sizeof(tmpstr), "kern.cam.da.%d.minimum_cmd_size",
2154                  periph->unit_number);
2155         TUNABLE_INT_FETCH(tmpstr, &softc->minimum_cmd_size);
2156
2157         /*
2158          * 6, 10, 12 and 16 are the currently permissible values.
2159          */
2160         if (softc->minimum_cmd_size < 6)
2161                 softc->minimum_cmd_size = 6;
2162         else if ((softc->minimum_cmd_size > 6)
2163               && (softc->minimum_cmd_size <= 10))
2164                 softc->minimum_cmd_size = 10;
2165         else if ((softc->minimum_cmd_size > 10)
2166               && (softc->minimum_cmd_size <= 12))
2167                 softc->minimum_cmd_size = 12;
2168         else if (softc->minimum_cmd_size > 12)
2169                 softc->minimum_cmd_size = 16;
2170
2171         /* Predict whether device may support READ CAPACITY(16). */
2172         if (SID_ANSI_REV(&cgd->inq_data) >= SCSI_REV_SPC3 &&
2173             (softc->quirks & DA_Q_NO_RC16) == 0) {
2174                 softc->flags |= DA_FLAG_CAN_RC16;
2175                 softc->state = DA_STATE_PROBE_RC16;
2176         }
2177
2178         /*
2179          * Register this media as a disk.
2180          */
2181         softc->disk = disk_alloc();
2182         softc->disk->d_devstat = devstat_new_entry(periph->periph_name,
2183                           periph->unit_number, 0,
2184                           DEVSTAT_BS_UNAVAILABLE,
2185                           SID_TYPE(&cgd->inq_data) |
2186                           XPORT_DEVSTAT_TYPE(cpi.transport),
2187                           DEVSTAT_PRIORITY_DISK);
2188         softc->disk->d_open = daopen;
2189         softc->disk->d_close = daclose;
2190         softc->disk->d_strategy = dastrategy;
2191         softc->disk->d_dump = dadump;
2192         softc->disk->d_getattr = dagetattr;
2193         softc->disk->d_gone = dadiskgonecb;
2194         softc->disk->d_name = "da";
2195         softc->disk->d_drv1 = periph;
2196         if (cpi.maxio == 0)
2197                 softc->maxio = DFLTPHYS;        /* traditional default */
2198         else if (cpi.maxio > MAXPHYS)
2199                 softc->maxio = MAXPHYS;         /* for safety */
2200         else
2201                 softc->maxio = cpi.maxio;
2202         softc->disk->d_maxsize = softc->maxio;
2203         softc->disk->d_unit = periph->unit_number;
2204         softc->disk->d_flags = DISKFLAG_DIRECT_COMPLETION;
2205         if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0)
2206                 softc->disk->d_flags |= DISKFLAG_CANFLUSHCACHE;
2207         if ((cpi.hba_misc & PIM_UNMAPPED) != 0)
2208                 softc->disk->d_flags |= DISKFLAG_UNMAPPED_BIO;
2209         cam_strvis(softc->disk->d_descr, cgd->inq_data.vendor,
2210             sizeof(cgd->inq_data.vendor), sizeof(softc->disk->d_descr));
2211         strlcat(softc->disk->d_descr, " ", sizeof(softc->disk->d_descr));
2212         cam_strvis(&softc->disk->d_descr[strlen(softc->disk->d_descr)],
2213             cgd->inq_data.product, sizeof(cgd->inq_data.product),
2214             sizeof(softc->disk->d_descr) - strlen(softc->disk->d_descr));
2215         softc->disk->d_hba_vendor = cpi.hba_vendor;
2216         softc->disk->d_hba_device = cpi.hba_device;
2217         softc->disk->d_hba_subvendor = cpi.hba_subvendor;
2218         softc->disk->d_hba_subdevice = cpi.hba_subdevice;
2219
2220         /*
2221          * Acquire a reference to the periph before we register with GEOM.
2222          * We'll release this reference once GEOM calls us back (via
2223          * dadiskgonecb()) telling us that our provider has been freed.
2224          */
2225         if (cam_periph_acquire(periph) != CAM_REQ_CMP) {
2226                 xpt_print(periph->path, "%s: lost periph during "
2227                           "registration!\n", __func__);
2228                 cam_periph_lock(periph);
2229                 return (CAM_REQ_CMP_ERR);
2230         }
2231
2232         disk_create(softc->disk, DISK_VERSION);
2233         cam_periph_lock(periph);
2234
2235         /*
2236          * Add async callbacks for events of interest.
2237          * I don't bother checking if this fails as,
2238          * in most cases, the system will function just
2239          * fine without them and the only alternative
2240          * would be to not attach the device on failure.
2241          */
2242         xpt_register_async(AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE |
2243             AC_ADVINFO_CHANGED | AC_SCSI_AEN | AC_UNIT_ATTENTION,
2244             daasync, periph, periph->path);
2245
2246         /*
2247          * Emit an attribute changed notification just in case
2248          * physical path information arrived before our async
2249          * event handler was registered, but after anyone attaching
2250          * to our disk device polled it.
2251          */
2252         disk_attr_changed(softc->disk, "GEOM::physpath", M_NOWAIT);
2253
2254         /*
2255          * Schedule a periodic media polling events.
2256          */
2257         callout_init_mtx(&softc->mediapoll_c, cam_periph_mtx(periph), 0);
2258         if ((softc->flags & DA_FLAG_PACK_REMOVABLE) &&
2259             (cgd->inq_flags & SID_AEN) == 0 &&
2260             da_poll_period != 0)
2261                 callout_reset(&softc->mediapoll_c, da_poll_period * hz,
2262                     damediapoll, periph);
2263
2264         xpt_schedule(periph, CAM_PRIORITY_DEV);
2265
2266         return(CAM_REQ_CMP);
2267 }
2268
2269 static void
2270 dastart(struct cam_periph *periph, union ccb *start_ccb)
2271 {
2272         struct da_softc *softc;
2273
2274         softc = (struct da_softc *)periph->softc;
2275
2276         CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dastart\n"));
2277
2278 skipstate:
2279         switch (softc->state) {
2280         case DA_STATE_NORMAL:
2281         {
2282                 struct bio *bp;
2283                 uint8_t tag_code;
2284
2285                 /* Run BIO_DELETE if not running yet. */
2286                 if (!softc->delete_running &&
2287                     (bp = bioq_first(&softc->delete_queue)) != NULL) {
2288                         if (softc->delete_func != NULL) {
2289                                 softc->delete_func(periph, start_ccb, bp);
2290                                 goto out;
2291                         } else {
2292                                 bioq_flush(&softc->delete_queue, NULL, 0);
2293                                 /* FALLTHROUGH */
2294                         }
2295                 }
2296
2297                 /* Run regular command. */
2298                 bp = bioq_takefirst(&softc->bio_queue);
2299                 if (bp == NULL) {
2300                         if (softc->tur) {
2301                                 softc->tur = 0;
2302                                 scsi_test_unit_ready(&start_ccb->csio,
2303                                      /*retries*/ da_retry_count,
2304                                      dadone,
2305                                      MSG_SIMPLE_Q_TAG,
2306                                      SSD_FULL_SIZE,
2307                                      da_default_timeout * 1000);
2308                                 start_ccb->ccb_h.ccb_bp = NULL;
2309                                 start_ccb->ccb_h.ccb_state = DA_CCB_TUR;
2310                                 xpt_action(start_ccb);
2311                         } else
2312                                 xpt_release_ccb(start_ccb);
2313                         break;
2314                 }
2315                 if (softc->tur) {
2316                         softc->tur = 0;
2317                         cam_periph_release_locked(periph);
2318                 }
2319
2320                 if ((bp->bio_flags & BIO_ORDERED) != 0 ||
2321                     (softc->flags & DA_FLAG_NEED_OTAG) != 0) {
2322                         softc->flags &= ~DA_FLAG_NEED_OTAG;
2323                         softc->flags |= DA_FLAG_WAS_OTAG;
2324                         tag_code = MSG_ORDERED_Q_TAG;
2325                 } else {
2326                         tag_code = MSG_SIMPLE_Q_TAG;
2327                 }
2328
2329                 switch (bp->bio_cmd) {
2330                 case BIO_WRITE:
2331                         softc->flags |= DA_FLAG_DIRTY;
2332                         /* FALLTHROUGH */
2333                 case BIO_READ:
2334                         scsi_read_write(&start_ccb->csio,
2335                                         /*retries*/da_retry_count,
2336                                         /*cbfcnp*/dadone,
2337                                         /*tag_action*/tag_code,
2338                                         /*read_op*/(bp->bio_cmd == BIO_READ ?
2339                                         SCSI_RW_READ : SCSI_RW_WRITE) |
2340                                         ((bp->bio_flags & BIO_UNMAPPED) != 0 ?
2341                                         SCSI_RW_BIO : 0),
2342                                         /*byte2*/0,
2343                                         softc->minimum_cmd_size,
2344                                         /*lba*/bp->bio_pblkno,
2345                                         /*block_count*/bp->bio_bcount /
2346                                         softc->params.secsize,
2347                                         /*data_ptr*/ (bp->bio_flags &
2348                                         BIO_UNMAPPED) != 0 ? (void *)bp :
2349                                         bp->bio_data,
2350                                         /*dxfer_len*/ bp->bio_bcount,
2351                                         /*sense_len*/SSD_FULL_SIZE,
2352                                         da_default_timeout * 1000);
2353                         break;
2354                 case BIO_FLUSH:
2355                         /*
2356                          * BIO_FLUSH doesn't currently communicate
2357                          * range data, so we synchronize the cache
2358                          * over the whole disk.  We also force
2359                          * ordered tag semantics the flush applies
2360                          * to all previously queued I/O.
2361                          */
2362                         scsi_synchronize_cache(&start_ccb->csio,
2363                                                /*retries*/1,
2364                                                /*cbfcnp*/dadone,
2365                                                MSG_ORDERED_Q_TAG,
2366                                                /*begin_lba*/0,
2367                                                /*lb_count*/0,
2368                                                SSD_FULL_SIZE,
2369                                                da_default_timeout*1000);
2370                         break;
2371                 }
2372                 start_ccb->ccb_h.ccb_state = DA_CCB_BUFFER_IO;
2373                 start_ccb->ccb_h.flags |= CAM_UNLOCKED;
2374
2375 out:
2376                 LIST_INSERT_HEAD(&softc->pending_ccbs,
2377                                  &start_ccb->ccb_h, periph_links.le);
2378
2379                 /* We expect a unit attention from this device */
2380                 if ((softc->flags & DA_FLAG_RETRY_UA) != 0) {
2381                         start_ccb->ccb_h.ccb_state |= DA_CCB_RETRY_UA;
2382                         softc->flags &= ~DA_FLAG_RETRY_UA;
2383                 }
2384
2385                 start_ccb->ccb_h.ccb_bp = bp;
2386                 softc->refcount++;
2387                 cam_periph_unlock(periph);
2388                 xpt_action(start_ccb);
2389                 cam_periph_lock(periph);
2390                 softc->refcount--;
2391
2392                 /* May have more work to do, so ensure we stay scheduled */
2393                 daschedule(periph);
2394                 break;
2395         }
2396         case DA_STATE_PROBE_RC:
2397         {
2398                 struct scsi_read_capacity_data *rcap;
2399
2400                 rcap = (struct scsi_read_capacity_data *)
2401                     malloc(sizeof(*rcap), M_SCSIDA, M_NOWAIT|M_ZERO);
2402                 if (rcap == NULL) {
2403                         printf("dastart: Couldn't malloc read_capacity data\n");
2404                         /* da_free_periph??? */
2405                         break;
2406                 }
2407                 scsi_read_capacity(&start_ccb->csio,
2408                                    /*retries*/da_retry_count,
2409                                    dadone,
2410                                    MSG_SIMPLE_Q_TAG,
2411                                    rcap,
2412                                    SSD_FULL_SIZE,
2413                                    /*timeout*/5000);
2414                 start_ccb->ccb_h.ccb_bp = NULL;
2415                 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_RC;
2416                 xpt_action(start_ccb);
2417                 break;
2418         }
2419         case DA_STATE_PROBE_RC16:
2420         {
2421                 struct scsi_read_capacity_data_long *rcaplong;
2422
2423                 rcaplong = (struct scsi_read_capacity_data_long *)
2424                         malloc(sizeof(*rcaplong), M_SCSIDA, M_NOWAIT|M_ZERO);
2425                 if (rcaplong == NULL) {
2426                         printf("dastart: Couldn't malloc read_capacity data\n");
2427                         /* da_free_periph??? */
2428                         break;
2429                 }
2430                 scsi_read_capacity_16(&start_ccb->csio,
2431                                       /*retries*/ da_retry_count,
2432                                       /*cbfcnp*/ dadone,
2433                                       /*tag_action*/ MSG_SIMPLE_Q_TAG,
2434                                       /*lba*/ 0,
2435                                       /*reladr*/ 0,
2436                                       /*pmi*/ 0,
2437                                       /*rcap_buf*/ (uint8_t *)rcaplong,
2438                                       /*rcap_buf_len*/ sizeof(*rcaplong),
2439                                       /*sense_len*/ SSD_FULL_SIZE,
2440                                       /*timeout*/ da_default_timeout * 1000);
2441                 start_ccb->ccb_h.ccb_bp = NULL;
2442                 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_RC16;
2443                 xpt_action(start_ccb);
2444                 break;
2445         }
2446         case DA_STATE_PROBE_LBP:
2447         {
2448                 struct scsi_vpd_logical_block_prov *lbp;
2449
2450                 if (!scsi_vpd_supported_page(periph, SVPD_LBP)) {
2451                         /*
2452                          * If we get here we don't support any SBC-3 delete
2453                          * methods with UNMAP as the Logical Block Provisioning
2454                          * VPD page support is required for devices which
2455                          * support it according to T10/1799-D Revision 31
2456                          * however older revisions of the spec don't mandate
2457                          * this so we currently don't remove these methods
2458                          * from the available set.
2459                          */
2460                         softc->state = DA_STATE_PROBE_BLK_LIMITS;
2461                         goto skipstate;
2462                 }
2463
2464                 lbp = (struct scsi_vpd_logical_block_prov *)
2465                         malloc(sizeof(*lbp), M_SCSIDA, M_NOWAIT|M_ZERO);
2466
2467                 if (lbp == NULL) {
2468                         printf("dastart: Couldn't malloc lbp data\n");
2469                         /* da_free_periph??? */
2470                         break;
2471                 }
2472
2473                 scsi_inquiry(&start_ccb->csio,
2474                              /*retries*/da_retry_count,
2475                              /*cbfcnp*/dadone,
2476                              /*tag_action*/MSG_SIMPLE_Q_TAG,
2477                              /*inq_buf*/(u_int8_t *)lbp,
2478                              /*inq_len*/sizeof(*lbp),
2479                              /*evpd*/TRUE,
2480                              /*page_code*/SVPD_LBP,
2481                              /*sense_len*/SSD_MIN_SIZE,
2482                              /*timeout*/da_default_timeout * 1000);
2483                 start_ccb->ccb_h.ccb_bp = NULL;
2484                 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_LBP;
2485                 xpt_action(start_ccb);
2486                 break;
2487         }
2488         case DA_STATE_PROBE_BLK_LIMITS:
2489         {
2490                 struct scsi_vpd_block_limits *block_limits;
2491
2492                 if (!scsi_vpd_supported_page(periph, SVPD_BLOCK_LIMITS)) {
2493                         /* Not supported skip to next probe */
2494                         softc->state = DA_STATE_PROBE_BDC;
2495                         goto skipstate;
2496                 }
2497
2498                 block_limits = (struct scsi_vpd_block_limits *)
2499                         malloc(sizeof(*block_limits), M_SCSIDA, M_NOWAIT|M_ZERO);
2500
2501                 if (block_limits == NULL) {
2502                         printf("dastart: Couldn't malloc block_limits data\n");
2503                         /* da_free_periph??? */
2504                         break;
2505                 }
2506
2507                 scsi_inquiry(&start_ccb->csio,
2508                              /*retries*/da_retry_count,
2509                              /*cbfcnp*/dadone,
2510                              /*tag_action*/MSG_SIMPLE_Q_TAG,
2511                              /*inq_buf*/(u_int8_t *)block_limits,
2512                              /*inq_len*/sizeof(*block_limits),
2513                              /*evpd*/TRUE,
2514                              /*page_code*/SVPD_BLOCK_LIMITS,
2515                              /*sense_len*/SSD_MIN_SIZE,
2516                              /*timeout*/da_default_timeout * 1000);
2517                 start_ccb->ccb_h.ccb_bp = NULL;
2518                 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_BLK_LIMITS;
2519                 xpt_action(start_ccb);
2520                 break;
2521         }
2522         case DA_STATE_PROBE_BDC:
2523         {
2524                 struct scsi_vpd_block_characteristics *bdc;
2525
2526                 if (!scsi_vpd_supported_page(periph, SVPD_BDC)) {
2527                         softc->state = DA_STATE_PROBE_ATA;
2528                         goto skipstate;
2529                 }
2530
2531                 bdc = (struct scsi_vpd_block_characteristics *)
2532                         malloc(sizeof(*bdc), M_SCSIDA, M_NOWAIT|M_ZERO);
2533
2534                 if (bdc == NULL) {
2535                         printf("dastart: Couldn't malloc bdc data\n");
2536                         /* da_free_periph??? */
2537                         break;
2538                 }
2539
2540                 scsi_inquiry(&start_ccb->csio,
2541                              /*retries*/da_retry_count,
2542                              /*cbfcnp*/dadone,
2543                              /*tag_action*/MSG_SIMPLE_Q_TAG,
2544                              /*inq_buf*/(u_int8_t *)bdc,
2545                              /*inq_len*/sizeof(*bdc),
2546                              /*evpd*/TRUE,
2547                              /*page_code*/SVPD_BDC,
2548                              /*sense_len*/SSD_MIN_SIZE,
2549                              /*timeout*/da_default_timeout * 1000);
2550                 start_ccb->ccb_h.ccb_bp = NULL;
2551                 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_BDC;
2552                 xpt_action(start_ccb);
2553                 break;
2554         }
2555         case DA_STATE_PROBE_ATA:
2556         {
2557                 struct ata_params *ata_params;
2558
2559                 if (!scsi_vpd_supported_page(periph, SVPD_ATA_INFORMATION)) {
2560                         daprobedone(periph, start_ccb);
2561                         break;
2562                 }
2563
2564                 ata_params = (struct ata_params*)
2565                         malloc(sizeof(*ata_params), M_SCSIDA, M_NOWAIT|M_ZERO);
2566
2567                 if (ata_params == NULL) {
2568                         printf("dastart: Couldn't malloc ata_params data\n");
2569                         /* da_free_periph??? */
2570                         break;
2571                 }
2572
2573                 scsi_ata_identify(&start_ccb->csio,
2574                                   /*retries*/da_retry_count,
2575                                   /*cbfcnp*/dadone,
2576                                   /*tag_action*/MSG_SIMPLE_Q_TAG,
2577                                   /*data_ptr*/(u_int8_t *)ata_params,
2578                                   /*dxfer_len*/sizeof(*ata_params),
2579                                   /*sense_len*/SSD_FULL_SIZE,
2580                                   /*timeout*/da_default_timeout * 1000);
2581                 start_ccb->ccb_h.ccb_bp = NULL;
2582                 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_ATA;
2583                 xpt_action(start_ccb);
2584                 break;
2585         }
2586         }
2587 }
2588
2589 /*
2590  * In each of the methods below, while its the caller's
2591  * responsibility to ensure the request will fit into a
2592  * single device request, we might have changed the delete
2593  * method due to the device incorrectly advertising either
2594  * its supported methods or limits.
2595  *
2596  * To prevent this causing further issues we validate the
2597  * against the methods limits, and warn which would
2598  * otherwise be unnecessary.
2599  */
2600 static void
2601 da_delete_unmap(struct cam_periph *periph, union ccb *ccb, struct bio *bp)
2602 {
2603         struct da_softc *softc = (struct da_softc *)periph->softc;;
2604         struct bio *bp1;
2605         uint8_t *buf = softc->unmap_buf;
2606         uint64_t lba, lastlba = (uint64_t)-1;
2607         uint64_t totalcount = 0;
2608         uint64_t count;
2609         uint32_t lastcount = 0, c;
2610         uint32_t off, ranges = 0;
2611
2612         /*
2613          * Currently this doesn't take the UNMAP
2614          * Granularity and Granularity Alignment
2615          * fields into account.
2616          *
2617          * This could result in both unoptimal unmap
2618          * requests as as well as UNMAP calls unmapping
2619          * fewer LBA's than requested.
2620          */
2621
2622         softc->delete_running = 1;
2623         bzero(softc->unmap_buf, sizeof(softc->unmap_buf));
2624         bp1 = bp;
2625         do {
2626                 bioq_remove(&softc->delete_queue, bp1);
2627                 if (bp1 != bp)
2628                         bioq_insert_tail(&softc->delete_run_queue, bp1);
2629                 lba = bp1->bio_pblkno;
2630                 count = bp1->bio_bcount / softc->params.secsize;
2631
2632                 /* Try to extend the previous range. */
2633                 if (lba == lastlba) {
2634                         c = omin(count, UNMAP_RANGE_MAX - lastcount);
2635                         lastcount += c;
2636                         off = ((ranges - 1) * UNMAP_RANGE_SIZE) +
2637                               UNMAP_HEAD_SIZE;
2638                         scsi_ulto4b(lastcount, &buf[off + 8]);
2639                         count -= c;
2640                         lba +=c;
2641                         totalcount += c;
2642                 }
2643
2644                 while (count > 0) {
2645                         c = omin(count, UNMAP_RANGE_MAX);
2646                         if (totalcount + c > softc->unmap_max_lba ||
2647                             ranges >= softc->unmap_max_ranges) {
2648                                 xpt_print(periph->path,
2649                                     "%s issuing short delete %ld > %ld"
2650                                     "|| %d >= %d",
2651                                     da_delete_method_desc[softc->delete_method],
2652                                     totalcount + c, softc->unmap_max_lba,
2653                                     ranges, softc->unmap_max_ranges);
2654                                 break;
2655                         }
2656                         off = (ranges * UNMAP_RANGE_SIZE) + UNMAP_HEAD_SIZE;
2657                         scsi_u64to8b(lba, &buf[off + 0]);
2658                         scsi_ulto4b(c, &buf[off + 8]);
2659                         lba += c;
2660                         totalcount += c;
2661                         ranges++;
2662                         count -= c;
2663                         lastcount = c;
2664                 }
2665                 lastlba = lba;
2666                 bp1 = bioq_first(&softc->delete_queue);
2667                 if (bp1 == NULL || ranges >= softc->unmap_max_ranges ||
2668                     totalcount + bp1->bio_bcount /
2669                     softc->params.secsize > softc->unmap_max_lba)
2670                         break;
2671         } while (1);
2672         scsi_ulto2b(ranges * 16 + 6, &buf[0]);
2673         scsi_ulto2b(ranges * 16, &buf[2]);
2674
2675         scsi_unmap(&ccb->csio,
2676                    /*retries*/da_retry_count,
2677                    /*cbfcnp*/dadone,
2678                    /*tag_action*/MSG_SIMPLE_Q_TAG,
2679                    /*byte2*/0,
2680                    /*data_ptr*/ buf,
2681                    /*dxfer_len*/ ranges * 16 + 8,
2682                    /*sense_len*/SSD_FULL_SIZE,
2683                    da_default_timeout * 1000);
2684         ccb->ccb_h.ccb_state = DA_CCB_DELETE;
2685         ccb->ccb_h.flags |= CAM_UNLOCKED;
2686 }
2687
2688 static void
2689 da_delete_trim(struct cam_periph *periph, union ccb *ccb, struct bio *bp)
2690 {
2691         struct da_softc *softc = (struct da_softc *)periph->softc;
2692         struct bio *bp1;
2693         uint8_t *buf = softc->unmap_buf;
2694         uint64_t lastlba = (uint64_t)-1;
2695         uint64_t count;
2696         uint64_t lba;
2697         uint32_t lastcount = 0, c, requestcount;
2698         int ranges = 0, off, block_count;
2699
2700         softc->delete_running = 1;
2701         bzero(softc->unmap_buf, sizeof(softc->unmap_buf));
2702         bp1 = bp;
2703         do {
2704                 bioq_remove(&softc->delete_queue, bp1);
2705                 if (bp1 != bp)
2706                         bioq_insert_tail(&softc->delete_run_queue, bp1);
2707                 lba = bp1->bio_pblkno;
2708                 count = bp1->bio_bcount / softc->params.secsize;
2709                 requestcount = count;
2710
2711                 /* Try to extend the previous range. */
2712                 if (lba == lastlba) {
2713                         c = omin(count, ATA_DSM_RANGE_MAX - lastcount);
2714                         lastcount += c;
2715                         off = (ranges - 1) * 8;
2716                         buf[off + 6] = lastcount & 0xff;
2717                         buf[off + 7] = (lastcount >> 8) & 0xff;
2718                         count -= c;
2719                         lba += c;
2720                 }
2721
2722                 while (count > 0) {
2723                         c = omin(count, ATA_DSM_RANGE_MAX);
2724                         off = ranges * 8;
2725
2726                         buf[off + 0] = lba & 0xff;
2727                         buf[off + 1] = (lba >> 8) & 0xff;
2728                         buf[off + 2] = (lba >> 16) & 0xff;
2729                         buf[off + 3] = (lba >> 24) & 0xff;
2730                         buf[off + 4] = (lba >> 32) & 0xff;
2731                         buf[off + 5] = (lba >> 40) & 0xff;
2732                         buf[off + 6] = c & 0xff;
2733                         buf[off + 7] = (c >> 8) & 0xff;
2734                         lba += c;
2735                         ranges++;
2736                         count -= c;
2737                         lastcount = c;
2738                         if (count != 0 && ranges == softc->trim_max_ranges) {
2739                                 xpt_print(periph->path,
2740                                     "%s issuing short delete %ld > %ld\n",
2741                                     da_delete_method_desc[softc->delete_method],
2742                                     requestcount,
2743                                     (softc->trim_max_ranges - ranges) *
2744                                     ATA_DSM_RANGE_MAX);
2745                                 break;
2746                         }
2747                 }
2748                 lastlba = lba;
2749                 bp1 = bioq_first(&softc->delete_queue);
2750                 if (bp1 == NULL || bp1->bio_bcount / softc->params.secsize >
2751                     (softc->trim_max_ranges - ranges) * ATA_DSM_RANGE_MAX)
2752                         break;
2753         } while (1);
2754
2755         block_count = (ranges + ATA_DSM_BLK_RANGES - 1) / ATA_DSM_BLK_RANGES;
2756         scsi_ata_trim(&ccb->csio,
2757                       /*retries*/da_retry_count,
2758                       /*cbfcnp*/dadone,
2759                       /*tag_action*/MSG_SIMPLE_Q_TAG,
2760                       block_count,
2761                       /*data_ptr*/buf,
2762                       /*dxfer_len*/block_count * ATA_DSM_BLK_SIZE,
2763                       /*sense_len*/SSD_FULL_SIZE,
2764                       da_default_timeout * 1000);
2765         ccb->ccb_h.ccb_state = DA_CCB_DELETE;
2766         ccb->ccb_h.flags |= CAM_UNLOCKED;
2767 }
2768
2769 /*
2770  * We calculate ws_max_blks here based off d_delmaxsize instead
2771  * of using softc->ws_max_blks as it is absolute max for the
2772  * device not the protocol max which may well be lower.
2773  */
2774 static void
2775 da_delete_ws(struct cam_periph *periph, union ccb *ccb, struct bio *bp)
2776 {
2777         struct da_softc *softc;
2778         struct bio *bp1;
2779         uint64_t ws_max_blks;
2780         uint64_t lba;
2781         uint64_t count; /* forward compat with WS32 */
2782
2783         softc = (struct da_softc *)periph->softc;
2784         ws_max_blks = softc->disk->d_delmaxsize / softc->params.secsize;
2785         softc->delete_running = 1;
2786         lba = bp->bio_pblkno;
2787         count = 0;
2788         bp1 = bp;
2789         do {
2790                 bioq_remove(&softc->delete_queue, bp1);
2791                 if (bp1 != bp)
2792                         bioq_insert_tail(&softc->delete_run_queue, bp1);
2793                 count += bp1->bio_bcount / softc->params.secsize;
2794                 if (count > ws_max_blks) {
2795                         xpt_print(periph->path,
2796                             "%s issuing short delete %ld > %ld\n",
2797                             da_delete_method_desc[softc->delete_method],
2798                             count, ws_max_blks);
2799                         count = omin(count, ws_max_blks);
2800                         break;
2801                 }
2802                 bp1 = bioq_first(&softc->delete_queue);
2803                 if (bp1 == NULL || lba + count != bp1->bio_pblkno ||
2804                     count + bp1->bio_bcount /
2805                     softc->params.secsize > ws_max_blks)
2806                         break;
2807         } while (1);
2808
2809         scsi_write_same(&ccb->csio,
2810                         /*retries*/da_retry_count,
2811                         /*cbfcnp*/dadone,
2812                         /*tag_action*/MSG_SIMPLE_Q_TAG,
2813                         /*byte2*/softc->delete_method ==
2814                             DA_DELETE_ZERO ? 0 : SWS_UNMAP,
2815                         softc->delete_method == DA_DELETE_WS16 ? 16 : 10,
2816                         /*lba*/lba,
2817                         /*block_count*/count,
2818                         /*data_ptr*/ __DECONST(void *, zero_region),
2819                         /*dxfer_len*/ softc->params.secsize,
2820                         /*sense_len*/SSD_FULL_SIZE,
2821                         da_default_timeout * 1000);
2822         ccb->ccb_h.ccb_state = DA_CCB_DELETE;
2823         ccb->ccb_h.flags |= CAM_UNLOCKED;
2824 }
2825
2826 static int
2827 cmd6workaround(union ccb *ccb)
2828 {
2829         struct scsi_rw_6 cmd6;
2830         struct scsi_rw_10 *cmd10;
2831         struct da_softc *softc;
2832         u_int8_t *cdb;
2833         struct bio *bp;
2834         int frozen;
2835
2836         cdb = ccb->csio.cdb_io.cdb_bytes;
2837         softc = (struct da_softc *)xpt_path_periph(ccb->ccb_h.path)->softc;
2838
2839         if (ccb->ccb_h.ccb_state == DA_CCB_DELETE) {
2840                 da_delete_methods old_method = softc->delete_method;
2841
2842                 /*
2843                  * Typically there are two reasons for failure here
2844                  * 1. Delete method was detected as supported but isn't
2845                  * 2. Delete failed due to invalid params e.g. too big
2846                  *
2847                  * While we will attempt to choose an alternative delete method
2848                  * this may result in short deletes if the existing delete
2849                  * requests from geom are big for the new method choosen.
2850                  *
2851                  * This method assumes that the error which triggered this
2852                  * will not retry the io otherwise a panic will occur
2853                  */
2854                 dadeleteflag(softc, old_method, 0);
2855                 dadeletemethodchoose(softc, DA_DELETE_DISABLE);
2856                 if (softc->delete_method == DA_DELETE_DISABLE)
2857                         xpt_print(ccb->ccb_h.path,
2858                                   "%s failed, disabling BIO_DELETE\n",
2859                                   da_delete_method_desc[old_method]);
2860                 else
2861                         xpt_print(ccb->ccb_h.path,
2862                                   "%s failed, switching to %s BIO_DELETE\n",
2863                                   da_delete_method_desc[old_method],
2864                                   da_delete_method_desc[softc->delete_method]);
2865
2866                 while ((bp = bioq_takefirst(&softc->delete_run_queue)) != NULL)
2867                         bioq_disksort(&softc->delete_queue, bp);
2868                 bioq_disksort(&softc->delete_queue,
2869                     (struct bio *)ccb->ccb_h.ccb_bp);
2870                 ccb->ccb_h.ccb_bp = NULL;
2871                 return (0);
2872         }
2873
2874         /* Detect unsupported PREVENT ALLOW MEDIUM REMOVAL. */
2875         if ((ccb->ccb_h.flags & CAM_CDB_POINTER) == 0 &&
2876             (*cdb == PREVENT_ALLOW) &&
2877             (softc->quirks & DA_Q_NO_PREVENT) == 0) {
2878                 if (bootverbose)
2879                         xpt_print(ccb->ccb_h.path,
2880                             "PREVENT ALLOW MEDIUM REMOVAL not supported.\n");
2881                 softc->quirks |= DA_Q_NO_PREVENT;
2882                 return (0);
2883         }
2884
2885         /* Detect unsupported SYNCHRONIZE CACHE(10). */
2886         if ((ccb->ccb_h.flags & CAM_CDB_POINTER) == 0 &&
2887             (*cdb == SYNCHRONIZE_CACHE) &&
2888             (softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) {
2889                 if (bootverbose)
2890                         xpt_print(ccb->ccb_h.path,
2891                             "SYNCHRONIZE CACHE(10) not supported.\n");
2892                 softc->quirks |= DA_Q_NO_SYNC_CACHE;
2893                 softc->disk->d_flags &= ~DISKFLAG_CANFLUSHCACHE;
2894                 return (0);
2895         }
2896
2897         /* Translation only possible if CDB is an array and cmd is R/W6 */
2898         if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0 ||
2899             (*cdb != READ_6 && *cdb != WRITE_6))
2900                 return 0;
2901
2902         xpt_print(ccb->ccb_h.path, "READ(6)/WRITE(6) not supported, "
2903             "increasing minimum_cmd_size to 10.\n");
2904         softc->minimum_cmd_size = 10;
2905
2906         bcopy(cdb, &cmd6, sizeof(struct scsi_rw_6));
2907         cmd10 = (struct scsi_rw_10 *)cdb;
2908         cmd10->opcode = (cmd6.opcode == READ_6) ? READ_10 : WRITE_10;
2909         cmd10->byte2 = 0;
2910         scsi_ulto4b(scsi_3btoul(cmd6.addr), cmd10->addr);
2911         cmd10->reserved = 0;
2912         scsi_ulto2b(cmd6.length, cmd10->length);
2913         cmd10->control = cmd6.control;
2914         ccb->csio.cdb_len = sizeof(*cmd10);
2915
2916         /* Requeue request, unfreezing queue if necessary */
2917         frozen = (ccb->ccb_h.status & CAM_DEV_QFRZN) != 0;
2918         ccb->ccb_h.status = CAM_REQUEUE_REQ;
2919         xpt_action(ccb);
2920         if (frozen) {
2921                 cam_release_devq(ccb->ccb_h.path,
2922                                  /*relsim_flags*/0,
2923                                  /*reduction*/0,
2924                                  /*timeout*/0,
2925                                  /*getcount_only*/0);
2926         }
2927         return (ERESTART);
2928 }
2929
2930 static void
2931 dadone(struct cam_periph *periph, union ccb *done_ccb)
2932 {
2933         struct da_softc *softc;
2934         struct ccb_scsiio *csio;
2935         u_int32_t  priority;
2936         da_ccb_state state;
2937
2938         softc = (struct da_softc *)periph->softc;
2939         priority = done_ccb->ccb_h.pinfo.priority;
2940
2941         CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone\n"));
2942
2943         csio = &done_ccb->csio;
2944         state = csio->ccb_h.ccb_state & DA_CCB_TYPE_MASK;
2945         switch (state) {
2946         case DA_CCB_BUFFER_IO:
2947         case DA_CCB_DELETE:
2948         {
2949                 struct bio *bp, *bp1;
2950
2951                 cam_periph_lock(periph);
2952                 bp = (struct bio *)done_ccb->ccb_h.ccb_bp;
2953                 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
2954                         int error;
2955                         int sf;
2956
2957                         if ((csio->ccb_h.ccb_state & DA_CCB_RETRY_UA) != 0)
2958                                 sf = SF_RETRY_UA;
2959                         else
2960                                 sf = 0;
2961
2962                         error = daerror(done_ccb, CAM_RETRY_SELTO, sf);
2963                         if (error == ERESTART) {
2964                                 /*
2965                                  * A retry was scheduled, so
2966                                  * just return.
2967                                  */
2968                                 cam_periph_unlock(periph);
2969                                 return;
2970                         }
2971                         bp = (struct bio *)done_ccb->ccb_h.ccb_bp;
2972                         if (error != 0) {
2973                                 int queued_error;
2974
2975                                 /*
2976                                  * return all queued I/O with EIO, so that
2977                                  * the client can retry these I/Os in the
2978                                  * proper order should it attempt to recover.
2979                                  */
2980                                 queued_error = EIO;
2981
2982                                 if (error == ENXIO
2983                                  && (softc->flags & DA_FLAG_PACK_INVALID)== 0) {
2984                                         /*
2985                                          * Catastrophic error.  Mark our pack as
2986                                          * invalid.
2987                                          */
2988                                         /*
2989                                          * XXX See if this is really a media
2990                                          * XXX change first?
2991                                          */
2992                                         xpt_print(periph->path,
2993                                             "Invalidating pack\n");
2994                                         softc->flags |= DA_FLAG_PACK_INVALID;
2995                                         queued_error = ENXIO;
2996                                 }
2997                                 bioq_flush(&softc->bio_queue, NULL,
2998                                            queued_error);
2999                                 if (bp != NULL) {
3000                                         bp->bio_error = error;
3001                                         bp->bio_resid = bp->bio_bcount;
3002                                         bp->bio_flags |= BIO_ERROR;
3003                                 }
3004                         } else if (bp != NULL) {
3005                                 if (state == DA_CCB_DELETE)
3006                                         bp->bio_resid = 0;
3007                                 else
3008                                         bp->bio_resid = csio->resid;
3009                                 bp->bio_error = 0;
3010                                 if (bp->bio_resid != 0)
3011                                         bp->bio_flags |= BIO_ERROR;
3012                         }
3013                         if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
3014                                 cam_release_devq(done_ccb->ccb_h.path,
3015                                                  /*relsim_flags*/0,
3016                                                  /*reduction*/0,
3017                                                  /*timeout*/0,
3018                                                  /*getcount_only*/0);
3019                 } else if (bp != NULL) {
3020                         if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
3021                                 panic("REQ_CMP with QFRZN");
3022                         if (state == DA_CCB_DELETE)
3023                                 bp->bio_resid = 0;
3024                         else
3025                                 bp->bio_resid = csio->resid;
3026                         if (csio->resid > 0)
3027                                 bp->bio_flags |= BIO_ERROR;
3028                         if (softc->error_inject != 0) {
3029                                 bp->bio_error = softc->error_inject;
3030                                 bp->bio_resid = bp->bio_bcount;
3031                                 bp->bio_flags |= BIO_ERROR;
3032                                 softc->error_inject = 0;
3033                         }
3034                 }
3035
3036                 LIST_REMOVE(&done_ccb->ccb_h, periph_links.le);
3037                 if (LIST_EMPTY(&softc->pending_ccbs))
3038                         softc->flags |= DA_FLAG_WAS_OTAG;
3039
3040                 xpt_release_ccb(done_ccb);
3041                 if (state == DA_CCB_DELETE) {
3042                         TAILQ_HEAD(, bio) queue;
3043
3044                         TAILQ_INIT(&queue);
3045                         TAILQ_CONCAT(&queue, &softc->delete_run_queue.queue, bio_queue);
3046                         softc->delete_run_queue.insert_point = NULL;
3047                         /*
3048                          * Normally, the xpt_release_ccb() above would make sure
3049                          * that when we have more work to do, that work would
3050                          * get kicked off. However, we specifically keep
3051                          * delete_running set to 0 before the call above to
3052                          * allow other I/O to progress when many BIO_DELETE
3053                          * requests are pushed down. We set delete_running to 0
3054                          * and call daschedule again so that we don't stall if
3055                          * there are no other I/Os pending apart from BIO_DELETEs.
3056                          */
3057                         softc->delete_running = 0;
3058                         daschedule(periph);
3059                         cam_periph_unlock(periph);
3060                         while ((bp1 = TAILQ_FIRST(&queue)) != NULL) {
3061                                 TAILQ_REMOVE(&queue, bp1, bio_queue);
3062                                 bp1->bio_error = bp->bio_error;
3063                                 if (bp->bio_flags & BIO_ERROR) {
3064                                         bp1->bio_flags |= BIO_ERROR;
3065                                         bp1->bio_resid = bp1->bio_bcount;
3066                                 } else
3067                                         bp1->bio_resid = 0;
3068                                 biodone(bp1);
3069                         }
3070                 } else
3071                         cam_periph_unlock(periph);
3072                 if (bp != NULL)
3073                         biodone(bp);
3074                 return;
3075         }
3076         case DA_CCB_PROBE_RC:
3077         case DA_CCB_PROBE_RC16:
3078         {
3079                 struct     scsi_read_capacity_data *rdcap;
3080                 struct     scsi_read_capacity_data_long *rcaplong;
3081                 char       announce_buf[80];
3082                 int        lbp;
3083
3084                 lbp = 0;
3085                 rdcap = NULL;
3086                 rcaplong = NULL;
3087                 if (state == DA_CCB_PROBE_RC)
3088                         rdcap =(struct scsi_read_capacity_data *)csio->data_ptr;
3089                 else
3090                         rcaplong = (struct scsi_read_capacity_data_long *)
3091                                 csio->data_ptr;
3092
3093                 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
3094                         struct disk_params *dp;
3095                         uint32_t block_size;
3096                         uint64_t maxsector;
3097                         u_int lalba;    /* Lowest aligned LBA. */
3098
3099                         if (state == DA_CCB_PROBE_RC) {
3100                                 block_size = scsi_4btoul(rdcap->length);
3101                                 maxsector = scsi_4btoul(rdcap->addr);
3102                                 lalba = 0;
3103
3104                                 /*
3105                                  * According to SBC-2, if the standard 10
3106                                  * byte READ CAPACITY command returns 2^32,
3107                                  * we should issue the 16 byte version of
3108                                  * the command, since the device in question
3109                                  * has more sectors than can be represented
3110                                  * with the short version of the command.
3111                                  */
3112                                 if (maxsector == 0xffffffff) {
3113                                         free(rdcap, M_SCSIDA);
3114                                         xpt_release_ccb(done_ccb);
3115                                         softc->state = DA_STATE_PROBE_RC16;
3116                                         xpt_schedule(periph, priority);
3117                                         return;
3118                                 }
3119                         } else {
3120                                 block_size = scsi_4btoul(rcaplong->length);
3121                                 maxsector = scsi_8btou64(rcaplong->addr);
3122                                 lalba = scsi_2btoul(rcaplong->lalba_lbp);
3123                         }
3124
3125                         /*
3126                          * Because GEOM code just will panic us if we
3127                          * give them an 'illegal' value we'll avoid that
3128                          * here.
3129                          */
3130                         if (block_size == 0) {
3131                                 block_size = 512;
3132                                 if (maxsector == 0)
3133                                         maxsector = -1;
3134                         }
3135                         if (block_size >= MAXPHYS) {
3136                                 xpt_print(periph->path,
3137                                     "unsupportable block size %ju\n",
3138                                     (uintmax_t) block_size);
3139                                 announce_buf[0] = '\0';
3140                                 cam_periph_invalidate(periph);
3141                         } else {
3142                                 /*
3143                                  * We pass rcaplong into dasetgeom(),
3144                                  * because it will only use it if it is
3145                                  * non-NULL.
3146                                  */
3147                                 dasetgeom(periph, block_size, maxsector,
3148                                           rcaplong, sizeof(*rcaplong));
3149                                 lbp = (lalba & SRC16_LBPME_A);
3150                                 dp = &softc->params;
3151                                 snprintf(announce_buf, sizeof(announce_buf),
3152                                         "%juMB (%ju %u byte sectors: %dH %dS/T "
3153                                         "%dC)", (uintmax_t)
3154                                         (((uintmax_t)dp->secsize *
3155                                         dp->sectors) / (1024*1024)),
3156                                         (uintmax_t)dp->sectors,
3157                                         dp->secsize, dp->heads,
3158                                         dp->secs_per_track, dp->cylinders);
3159                         }
3160                 } else {
3161                         int     error;
3162
3163                         announce_buf[0] = '\0';
3164
3165                         /*
3166                          * Retry any UNIT ATTENTION type errors.  They
3167                          * are expected at boot.
3168                          */
3169                         error = daerror(done_ccb, CAM_RETRY_SELTO,
3170                                         SF_RETRY_UA|SF_NO_PRINT);
3171                         if (error == ERESTART) {
3172                                 /*
3173                                  * A retry was scheuled, so
3174                                  * just return.
3175                                  */
3176                                 return;
3177                         } else if (error != 0) {
3178                                 int asc, ascq;
3179                                 int sense_key, error_code;
3180                                 int have_sense;
3181                                 cam_status status;
3182                                 struct ccb_getdev cgd;
3183
3184                                 /* Don't wedge this device's queue */
3185                                 status = done_ccb->ccb_h.status;
3186                                 if ((status & CAM_DEV_QFRZN) != 0)
3187                                         cam_release_devq(done_ccb->ccb_h.path,
3188                                                          /*relsim_flags*/0,
3189                                                          /*reduction*/0,
3190                                                          /*timeout*/0,
3191                                                          /*getcount_only*/0);
3192
3193
3194                                 xpt_setup_ccb(&cgd.ccb_h,
3195                                               done_ccb->ccb_h.path,
3196                                               CAM_PRIORITY_NORMAL);
3197                                 cgd.ccb_h.func_code = XPT_GDEV_TYPE;
3198                                 xpt_action((union ccb *)&cgd);
3199
3200                                 if (scsi_extract_sense_ccb(done_ccb,
3201                                     &error_code, &sense_key, &asc, &ascq))
3202                                         have_sense = TRUE;
3203                                 else
3204                                         have_sense = FALSE;
3205
3206                                 /*
3207                                  * If we tried READ CAPACITY(16) and failed,
3208                                  * fallback to READ CAPACITY(10).
3209                                  */
3210                                 if ((state == DA_CCB_PROBE_RC16) &&
3211                                     (softc->flags & DA_FLAG_CAN_RC16) &&
3212                                     (((csio->ccb_h.status & CAM_STATUS_MASK) ==
3213                                         CAM_REQ_INVALID) ||
3214                                      ((have_sense) &&
3215                                       (error_code == SSD_CURRENT_ERROR) &&
3216                                       (sense_key == SSD_KEY_ILLEGAL_REQUEST)))) {
3217                                         softc->flags &= ~DA_FLAG_CAN_RC16;
3218                                         free(rdcap, M_SCSIDA);
3219                                         xpt_release_ccb(done_ccb);
3220                                         softc->state = DA_STATE_PROBE_RC;
3221                                         xpt_schedule(periph, priority);
3222                                         return;
3223                                 } else
3224                                 /*
3225                                  * Attach to anything that claims to be a
3226                                  * direct access or optical disk device,
3227                                  * as long as it doesn't return a "Logical
3228                                  * unit not supported" (0x25) error.
3229                                  */
3230                                 if ((have_sense) && (asc != 0x25)
3231                                  && (error_code == SSD_CURRENT_ERROR)) {
3232                                         const char *sense_key_desc;
3233                                         const char *asc_desc;
3234
3235                                         dasetgeom(periph, 512, -1, NULL, 0);
3236                                         scsi_sense_desc(sense_key, asc, ascq,
3237                                                         &cgd.inq_data,
3238                                                         &sense_key_desc,
3239                                                         &asc_desc);
3240                                         snprintf(announce_buf,
3241                                             sizeof(announce_buf),
3242                                                 "Attempt to query device "
3243                                                 "size failed: %s, %s",
3244                                                 sense_key_desc,
3245                                                 asc_desc);
3246                                 } else {
3247                                         if (have_sense)
3248                                                 scsi_sense_print(
3249                                                         &done_ccb->csio);
3250                                         else {
3251                                                 xpt_print(periph->path,
3252                                                     "got CAM status %#x\n",
3253                                                     done_ccb->ccb_h.status);
3254                                         }
3255
3256                                         xpt_print(periph->path, "fatal error, "
3257                                             "failed to attach to device\n");
3258
3259                                         /*
3260                                          * Free up resources.
3261                                          */
3262                                         cam_periph_invalidate(periph);
3263                                 }
3264                         }
3265                 }
3266                 free(csio->data_ptr, M_SCSIDA);
3267                 if (announce_buf[0] != '\0' &&
3268                     ((softc->flags & DA_FLAG_ANNOUNCED) == 0)) {
3269                         /*
3270                          * Create our sysctl variables, now that we know
3271                          * we have successfully attached.
3272                          */
3273                         /* increase the refcount */
3274                         if (cam_periph_acquire(periph) == CAM_REQ_CMP) {
3275                                 taskqueue_enqueue(taskqueue_thread,
3276                                                   &softc->sysctl_task);
3277                                 xpt_announce_periph(periph, announce_buf);
3278                                 xpt_announce_quirks(periph, softc->quirks,
3279                                     DA_Q_BIT_STRING);
3280                         } else {
3281                                 xpt_print(periph->path, "fatal error, "
3282                                     "could not acquire reference count\n");
3283                         }
3284                 }
3285
3286                 /* We already probed the device. */
3287                 if (softc->flags & DA_FLAG_PROBED) {
3288                         daprobedone(periph, done_ccb);
3289                         return;
3290                 }
3291
3292                 /* Ensure re-probe doesn't see old delete. */
3293                 softc->delete_available = 0;
3294                 if (lbp && (softc->quirks & DA_Q_NO_UNMAP) == 0) {
3295                         /*
3296                          * Based on older SBC-3 spec revisions
3297                          * any of the UNMAP methods "may" be
3298                          * available via LBP given this flag so
3299                          * we flag all of them as availble and
3300                          * then remove those which further
3301                          * probes confirm aren't available
3302                          * later.
3303                          *
3304                          * We could also check readcap(16) p_type
3305                          * flag to exclude one or more invalid
3306                          * write same (X) types here
3307                          */
3308                         dadeleteflag(softc, DA_DELETE_WS16, 1);
3309                         dadeleteflag(softc, DA_DELETE_WS10, 1);
3310                         dadeleteflag(softc, DA_DELETE_ZERO, 1);
3311                         dadeleteflag(softc, DA_DELETE_UNMAP, 1);
3312
3313                         xpt_release_ccb(done_ccb);
3314                         softc->state = DA_STATE_PROBE_LBP;
3315                         xpt_schedule(periph, priority);
3316                         return;
3317                 }
3318
3319                 xpt_release_ccb(done_ccb);
3320                 softc->state = DA_STATE_PROBE_BDC;
3321                 xpt_schedule(periph, priority);
3322                 return;
3323         }
3324         case DA_CCB_PROBE_LBP:
3325         {
3326                 struct scsi_vpd_logical_block_prov *lbp;
3327
3328                 lbp = (struct scsi_vpd_logical_block_prov *)csio->data_ptr;
3329
3330                 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
3331                         /*
3332                          * T10/1799-D Revision 31 states at least one of these
3333                          * must be supported but we don't currently enforce this.
3334                          */
3335                         dadeleteflag(softc, DA_DELETE_WS16,
3336                                      (lbp->flags & SVPD_LBP_WS16));
3337                         dadeleteflag(softc, DA_DELETE_WS10,
3338                                      (lbp->flags & SVPD_LBP_WS10));
3339                         dadeleteflag(softc, DA_DELETE_ZERO,
3340                                      (lbp->flags & SVPD_LBP_WS10));
3341                         dadeleteflag(softc, DA_DELETE_UNMAP,
3342                                      (lbp->flags & SVPD_LBP_UNMAP));
3343                 } else {
3344                         int error;
3345                         error = daerror(done_ccb, CAM_RETRY_SELTO,
3346                                         SF_RETRY_UA|SF_NO_PRINT);
3347                         if (error == ERESTART)
3348                                 return;
3349                         else if (error != 0) {
3350                                 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
3351                                         /* Don't wedge this device's queue */
3352                                         cam_release_devq(done_ccb->ccb_h.path,
3353                                                          /*relsim_flags*/0,
3354                                                          /*reduction*/0,
3355                                                          /*timeout*/0,
3356                                                          /*getcount_only*/0);
3357                                 }
3358
3359                                 /*
3360                                  * Failure indicates we don't support any SBC-3
3361                                  * delete methods with UNMAP
3362                                  */
3363                         }
3364                 }
3365
3366                 free(lbp, M_SCSIDA);
3367                 xpt_release_ccb(done_ccb);
3368                 softc->state = DA_STATE_PROBE_BLK_LIMITS;
3369                 xpt_schedule(periph, priority);
3370                 return;
3371         }
3372         case DA_CCB_PROBE_BLK_LIMITS:
3373         {
3374                 struct scsi_vpd_block_limits *block_limits;
3375
3376                 block_limits = (struct scsi_vpd_block_limits *)csio->data_ptr;
3377
3378                 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
3379                         uint32_t max_txfer_len = scsi_4btoul(
3380                                 block_limits->max_txfer_len);
3381                         uint32_t max_unmap_lba_cnt = scsi_4btoul(
3382                                 block_limits->max_unmap_lba_cnt);
3383                         uint32_t max_unmap_blk_cnt = scsi_4btoul(
3384                                 block_limits->max_unmap_blk_cnt);
3385                         uint64_t ws_max_blks = scsi_8btou64(
3386                                 block_limits->max_write_same_length);
3387
3388                         if (max_txfer_len != 0) {
3389                                 softc->disk->d_maxsize = MIN(softc->maxio,
3390                                     (off_t)max_txfer_len * softc->params.secsize);
3391                         }
3392
3393                         /*
3394                          * We should already support UNMAP but we check lba
3395                          * and block count to be sure
3396                          */
3397                         if (max_unmap_lba_cnt != 0x00L &&
3398                             max_unmap_blk_cnt != 0x00L) {
3399                                 softc->unmap_max_lba = max_unmap_lba_cnt;
3400                                 softc->unmap_max_ranges = min(max_unmap_blk_cnt,
3401                                         UNMAP_MAX_RANGES);
3402                         } else {
3403                                 /*
3404                                  * Unexpected UNMAP limits which means the
3405                                  * device doesn't actually support UNMAP
3406                                  */
3407                                 dadeleteflag(softc, DA_DELETE_UNMAP, 0);
3408                         }
3409
3410                         if (ws_max_blks != 0x00L)
3411                                 softc->ws_max_blks = ws_max_blks;
3412                 } else {
3413                         int error;
3414                         error = daerror(done_ccb, CAM_RETRY_SELTO,
3415                                         SF_RETRY_UA|SF_NO_PRINT);
3416                         if (error == ERESTART)
3417                                 return;
3418                         else if (error != 0) {
3419                                 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
3420                                         /* Don't wedge this device's queue */
3421                                         cam_release_devq(done_ccb->ccb_h.path,
3422                                                          /*relsim_flags*/0,
3423                                                          /*reduction*/0,
3424                                                          /*timeout*/0,
3425                                                          /*getcount_only*/0);
3426                                 }
3427
3428                                 /*
3429                                  * Failure here doesn't mean UNMAP is not
3430                                  * supported as this is an optional page.
3431                                  */
3432                                 softc->unmap_max_lba = 1;
3433                                 softc->unmap_max_ranges = 1;
3434                         }
3435                 }
3436
3437                 free(block_limits, M_SCSIDA);
3438                 xpt_release_ccb(done_ccb);
3439                 softc->state = DA_STATE_PROBE_BDC;
3440                 xpt_schedule(periph, priority);
3441                 return;
3442         }
3443         case DA_CCB_PROBE_BDC:
3444         {
3445                 struct scsi_vpd_block_characteristics *bdc;
3446
3447                 bdc = (struct scsi_vpd_block_characteristics *)csio->data_ptr;
3448
3449                 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
3450                         /*
3451                          * Disable queue sorting for non-rotational media
3452                          * by default.
3453                          */
3454                         u_int16_t old_rate = softc->disk->d_rotation_rate;
3455
3456                         softc->disk->d_rotation_rate =
3457                                 scsi_2btoul(bdc->medium_rotation_rate);
3458                         if (softc->disk->d_rotation_rate ==
3459                             SVPD_BDC_RATE_NON_ROTATING) {
3460                                 softc->sort_io_queue = 0;
3461                         }
3462                         if (softc->disk->d_rotation_rate != old_rate) {
3463                                 disk_attr_changed(softc->disk,
3464                                     "GEOM::rotation_rate", M_NOWAIT);
3465                         }
3466                 } else {
3467                         int error;
3468                         error = daerror(done_ccb, CAM_RETRY_SELTO,
3469                                         SF_RETRY_UA|SF_NO_PRINT);
3470                         if (error == ERESTART)
3471                                 return;
3472                         else if (error != 0) {
3473                                 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
3474                                         /* Don't wedge this device's queue */
3475                                         cam_release_devq(done_ccb->ccb_h.path,
3476                                                          /*relsim_flags*/0,
3477                                                          /*reduction*/0,
3478                                                          /*timeout*/0,
3479                                                          /*getcount_only*/0);
3480                                 }
3481                         }
3482                 }
3483
3484                 free(bdc, M_SCSIDA);
3485                 xpt_release_ccb(done_ccb);
3486                 softc->state = DA_STATE_PROBE_ATA;
3487                 xpt_schedule(periph, priority);
3488                 return;
3489         }
3490         case DA_CCB_PROBE_ATA:
3491         {
3492                 int i;
3493                 struct ata_params *ata_params;
3494                 int16_t *ptr;
3495
3496                 ata_params = (struct ata_params *)csio->data_ptr;
3497                 ptr = (uint16_t *)ata_params;
3498
3499                 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
3500                         uint16_t old_rate;
3501
3502                         for (i = 0; i < sizeof(*ata_params) / 2; i++)
3503                                 ptr[i] = le16toh(ptr[i]);
3504                         if (ata_params->support_dsm & ATA_SUPPORT_DSM_TRIM &&
3505                             (softc->quirks & DA_Q_NO_UNMAP) == 0) {
3506                                 dadeleteflag(softc, DA_DELETE_ATA_TRIM, 1);
3507                                 if (ata_params->max_dsm_blocks != 0)
3508                                         softc->trim_max_ranges = min(
3509                                           softc->trim_max_ranges,
3510                                           ata_params->max_dsm_blocks *
3511                                           ATA_DSM_BLK_RANGES);
3512                         }
3513                         /*
3514                          * Disable queue sorting for non-rotational media
3515                          * by default.
3516                          */
3517                         old_rate = softc->disk->d_rotation_rate;
3518                         softc->disk->d_rotation_rate =
3519                             ata_params->media_rotation_rate;
3520                         if (softc->disk->d_rotation_rate ==
3521                             ATA_RATE_NON_ROTATING) {
3522                                 softc->sort_io_queue = 0;
3523                         }
3524
3525                         if (softc->disk->d_rotation_rate != old_rate) {
3526                                 disk_attr_changed(softc->disk,
3527                                     "GEOM::rotation_rate", M_NOWAIT);
3528                         }
3529                 } else {
3530                         int error;
3531                         error = daerror(done_ccb, CAM_RETRY_SELTO,
3532                                         SF_RETRY_UA|SF_NO_PRINT);
3533                         if (error == ERESTART)
3534                                 return;
3535                         else if (error != 0) {
3536                                 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
3537                                         /* Don't wedge this device's queue */
3538                                         cam_release_devq(done_ccb->ccb_h.path,
3539                                                          /*relsim_flags*/0,
3540                                                          /*reduction*/0,
3541                                                          /*timeout*/0,
3542                                                          /*getcount_only*/0);
3543                                 }
3544                         }
3545                 }
3546
3547                 free(ata_params, M_SCSIDA);
3548                 daprobedone(periph, done_ccb);
3549                 return;
3550         }
3551         case DA_CCB_DUMP:
3552                 /* No-op.  We're polling */
3553                 return;
3554         case DA_CCB_TUR:
3555         {
3556                 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
3557
3558                         if (daerror(done_ccb, CAM_RETRY_SELTO,
3559                             SF_RETRY_UA | SF_NO_RECOVERY | SF_NO_PRINT) ==
3560                             ERESTART)
3561                                 return;
3562                         if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
3563                                 cam_release_devq(done_ccb->ccb_h.path,
3564                                                  /*relsim_flags*/0,
3565                                                  /*reduction*/0,
3566                                                  /*timeout*/0,
3567                                                  /*getcount_only*/0);
3568                 }
3569                 xpt_release_ccb(done_ccb);
3570                 cam_periph_release_locked(periph);
3571                 return;
3572         }
3573         default:
3574                 break;
3575         }
3576         xpt_release_ccb(done_ccb);
3577 }
3578
3579 static void
3580 dareprobe(struct cam_periph *periph)
3581 {
3582         struct da_softc   *softc;
3583         cam_status status;
3584
3585         softc = (struct da_softc *)periph->softc;
3586
3587         /* Probe in progress; don't interfere. */
3588         if (softc->state != DA_STATE_NORMAL)
3589                 return;
3590
3591         status = cam_periph_acquire(periph);
3592         KASSERT(status == CAM_REQ_CMP,
3593             ("dareprobe: cam_periph_acquire failed"));
3594
3595         if (softc->flags & DA_FLAG_CAN_RC16)
3596                 softc->state = DA_STATE_PROBE_RC16;
3597         else
3598                 softc->state = DA_STATE_PROBE_RC;
3599
3600         xpt_schedule(periph, CAM_PRIORITY_DEV);
3601 }
3602
3603 static int
3604 daerror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags)
3605 {
3606         struct da_softc   *softc;
3607         struct cam_periph *periph;
3608         int error, error_code, sense_key, asc, ascq;
3609
3610         periph = xpt_path_periph(ccb->ccb_h.path);
3611         softc = (struct da_softc *)periph->softc;
3612
3613         /*
3614          * Automatically detect devices that do not support
3615          * READ(6)/WRITE(6) and upgrade to using 10 byte cdbs.
3616          */
3617         error = 0;
3618         if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INVALID) {
3619                 error = cmd6workaround(ccb);
3620         } else if (scsi_extract_sense_ccb(ccb,
3621             &error_code, &sense_key, &asc, &ascq)) {
3622                 if (sense_key == SSD_KEY_ILLEGAL_REQUEST)
3623                         error = cmd6workaround(ccb);
3624                 /*
3625                  * If the target replied with CAPACITY DATA HAS CHANGED UA,
3626                  * query the capacity and notify upper layers.
3627                  */
3628                 else if (sense_key == SSD_KEY_UNIT_ATTENTION &&
3629                     asc == 0x2A && ascq == 0x09) {
3630                         xpt_print(periph->path, "Capacity data has changed\n");
3631                         softc->flags &= ~DA_FLAG_PROBED;
3632                         dareprobe(periph);
3633                         sense_flags |= SF_NO_PRINT;
3634                 } else if (sense_key == SSD_KEY_UNIT_ATTENTION &&
3635                     asc == 0x28 && ascq == 0x00) {
3636                         softc->flags &= ~DA_FLAG_PROBED;
3637                         disk_media_changed(softc->disk, M_NOWAIT);
3638                 } else if (sense_key == SSD_KEY_UNIT_ATTENTION &&
3639                     asc == 0x3F && ascq == 0x03) {
3640                         xpt_print(periph->path, "INQUIRY data has changed\n");
3641                         softc->flags &= ~DA_FLAG_PROBED;
3642                         dareprobe(periph);
3643                         sense_flags |= SF_NO_PRINT;
3644                 } else if (sense_key == SSD_KEY_NOT_READY &&
3645                     asc == 0x3a && (softc->flags & DA_FLAG_PACK_INVALID) == 0) {
3646                         softc->flags |= DA_FLAG_PACK_INVALID;
3647                         disk_media_gone(softc->disk, M_NOWAIT);
3648                 }
3649         }
3650         if (error == ERESTART)
3651                 return (ERESTART);
3652
3653         /*
3654          * XXX
3655          * Until we have a better way of doing pack validation,
3656          * don't treat UAs as errors.
3657          */
3658         sense_flags |= SF_RETRY_UA;
3659
3660         if (softc->quirks & DA_Q_RETRY_BUSY)
3661                 sense_flags |= SF_RETRY_BUSY;
3662         return(cam_periph_error(ccb, cam_flags, sense_flags,
3663                                 &softc->saved_ccb));
3664 }
3665
3666 static void
3667 damediapoll(void *arg)
3668 {
3669         struct cam_periph *periph = arg;
3670         struct da_softc *softc = periph->softc;
3671
3672         if (!softc->tur && LIST_EMPTY(&softc->pending_ccbs)) {
3673                 if (cam_periph_acquire(periph) == CAM_REQ_CMP) {
3674                         softc->tur = 1;
3675                         daschedule(periph);
3676                 }
3677         }
3678         /* Queue us up again */
3679         if (da_poll_period != 0)
3680                 callout_schedule(&softc->mediapoll_c, da_poll_period * hz);
3681 }
3682
3683 static void
3684 daprevent(struct cam_periph *periph, int action)
3685 {
3686         struct  da_softc *softc;
3687         union   ccb *ccb;
3688         int     error;
3689
3690         softc = (struct da_softc *)periph->softc;
3691
3692         if (((action == PR_ALLOW)
3693           && (softc->flags & DA_FLAG_PACK_LOCKED) == 0)
3694          || ((action == PR_PREVENT)
3695           && (softc->flags & DA_FLAG_PACK_LOCKED) != 0)) {
3696                 return;
3697         }
3698
3699         ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
3700
3701         scsi_prevent(&ccb->csio,
3702                      /*retries*/1,
3703                      /*cbcfp*/dadone,
3704                      MSG_SIMPLE_Q_TAG,
3705                      action,
3706                      SSD_FULL_SIZE,
3707                      5000);
3708
3709         error = cam_periph_runccb(ccb, daerror, CAM_RETRY_SELTO,
3710             SF_RETRY_UA | SF_NO_PRINT, softc->disk->d_devstat);
3711
3712         if (error == 0) {
3713                 if (action == PR_ALLOW)
3714                         softc->flags &= ~DA_FLAG_PACK_LOCKED;
3715                 else
3716                         softc->flags |= DA_FLAG_PACK_LOCKED;
3717         }
3718
3719         xpt_release_ccb(ccb);
3720 }
3721
3722 static void
3723 dasetgeom(struct cam_periph *periph, uint32_t block_len, uint64_t maxsector,
3724           struct scsi_read_capacity_data_long *rcaplong, size_t rcap_len)
3725 {
3726         struct ccb_calc_geometry ccg;
3727         struct da_softc *softc;
3728         struct disk_params *dp;
3729         u_int lbppbe, lalba;
3730         int error;
3731
3732         softc = (struct da_softc *)periph->softc;
3733
3734         dp = &softc->params;
3735         dp->secsize = block_len;
3736         dp->sectors = maxsector + 1;
3737         if (rcaplong != NULL) {
3738                 lbppbe = rcaplong->prot_lbppbe & SRC16_LBPPBE;
3739                 lalba = scsi_2btoul(rcaplong->lalba_lbp);
3740                 lalba &= SRC16_LALBA_A;
3741         } else {
3742                 lbppbe = 0;
3743                 lalba = 0;
3744         }
3745
3746         if (lbppbe > 0) {
3747                 dp->stripesize = block_len << lbppbe;
3748                 dp->stripeoffset = (dp->stripesize - block_len * lalba) %
3749                     dp->stripesize;
3750         } else if (softc->quirks & DA_Q_4K) {
3751                 dp->stripesize = 4096;
3752                 dp->stripeoffset = 0;
3753         } else {
3754                 dp->stripesize = 0;
3755                 dp->stripeoffset = 0;
3756         }
3757         /*
3758          * Have the controller provide us with a geometry
3759          * for this disk.  The only time the geometry
3760          * matters is when we boot and the controller
3761          * is the only one knowledgeable enough to come
3762          * up with something that will make this a bootable
3763          * device.
3764          */
3765         xpt_setup_ccb(&ccg.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
3766         ccg.ccb_h.func_code = XPT_CALC_GEOMETRY;
3767         ccg.block_size = dp->secsize;
3768         ccg.volume_size = dp->sectors;
3769         ccg.heads = 0;
3770         ccg.secs_per_track = 0;
3771         ccg.cylinders = 0;
3772         xpt_action((union ccb*)&ccg);
3773         if ((ccg.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
3774                 /*
3775                  * We don't know what went wrong here- but just pick
3776                  * a geometry so we don't have nasty things like divide
3777                  * by zero.
3778                  */
3779                 dp->heads = 255;
3780                 dp->secs_per_track = 255;
3781                 dp->cylinders = dp->sectors / (255 * 255);
3782                 if (dp->cylinders == 0) {
3783                         dp->cylinders = 1;
3784                 }
3785         } else {
3786                 dp->heads = ccg.heads;
3787                 dp->secs_per_track = ccg.secs_per_track;
3788                 dp->cylinders = ccg.cylinders;
3789         }
3790
3791         /*
3792          * If the user supplied a read capacity buffer, and if it is
3793          * different than the previous buffer, update the data in the EDT.
3794          * If it's the same, we don't bother.  This avoids sending an
3795          * update every time someone opens this device.
3796          */
3797         if ((rcaplong != NULL)
3798          && (bcmp(rcaplong, &softc->rcaplong,
3799                   min(sizeof(softc->rcaplong), rcap_len)) != 0)) {
3800                 struct ccb_dev_advinfo cdai;
3801
3802                 xpt_setup_ccb(&cdai.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
3803                 cdai.ccb_h.func_code = XPT_DEV_ADVINFO;
3804                 cdai.buftype = CDAI_TYPE_RCAPLONG;
3805                 cdai.flags = CDAI_FLAG_STORE;
3806                 cdai.bufsiz = rcap_len;
3807                 cdai.buf = (uint8_t *)rcaplong;
3808                 xpt_action((union ccb *)&cdai);
3809                 if ((cdai.ccb_h.status & CAM_DEV_QFRZN) != 0)
3810                         cam_release_devq(cdai.ccb_h.path, 0, 0, 0, FALSE);
3811                 if (cdai.ccb_h.status != CAM_REQ_CMP) {
3812                         xpt_print(periph->path, "%s: failed to set read "
3813                                   "capacity advinfo\n", __func__);
3814                         /* Use cam_error_print() to decode the status */
3815                         cam_error_print((union ccb *)&cdai, CAM_ESF_CAM_STATUS,
3816                                         CAM_EPF_ALL);
3817                 } else {
3818                         bcopy(rcaplong, &softc->rcaplong,
3819                               min(sizeof(softc->rcaplong), rcap_len));
3820                 }
3821         }
3822
3823         softc->disk->d_sectorsize = softc->params.secsize;
3824         softc->disk->d_mediasize = softc->params.secsize * (off_t)softc->params.sectors;
3825         softc->disk->d_stripesize = softc->params.stripesize;
3826         softc->disk->d_stripeoffset = softc->params.stripeoffset;
3827         /* XXX: these are not actually "firmware" values, so they may be wrong */
3828         softc->disk->d_fwsectors = softc->params.secs_per_track;
3829         softc->disk->d_fwheads = softc->params.heads;
3830         softc->disk->d_devstat->block_size = softc->params.secsize;
3831         softc->disk->d_devstat->flags &= ~DEVSTAT_BS_UNAVAILABLE;
3832
3833         error = disk_resize(softc->disk, M_NOWAIT);
3834         if (error != 0)
3835                 xpt_print(periph->path, "disk_resize(9) failed, error = %d\n", error);
3836 }
3837
3838 static void
3839 dasendorderedtag(void *arg)
3840 {
3841         struct da_softc *softc = arg;
3842
3843         if (da_send_ordered) {
3844                 if (!LIST_EMPTY(&softc->pending_ccbs)) {
3845                         if ((softc->flags & DA_FLAG_WAS_OTAG) == 0)
3846                                 softc->flags |= DA_FLAG_NEED_OTAG;
3847                         softc->flags &= ~DA_FLAG_WAS_OTAG;
3848                 }
3849         }
3850         /* Queue us up again */
3851         callout_reset(&softc->sendordered_c,
3852             (da_default_timeout * hz) / DA_ORDEREDTAG_INTERVAL,
3853             dasendorderedtag, softc);
3854 }
3855
3856 /*
3857  * Step through all DA peripheral drivers, and if the device is still open,
3858  * sync the disk cache to physical media.
3859  */
3860 static void
3861 dashutdown(void * arg, int howto)
3862 {
3863         struct cam_periph *periph;
3864         struct da_softc *softc;
3865         union ccb *ccb;
3866         int error;
3867
3868         CAM_PERIPH_FOREACH(periph, &dadriver) {
3869                 softc = (struct da_softc *)periph->softc;
3870                 if (SCHEDULER_STOPPED()) {
3871                         /* If we paniced with the lock held, do not recurse. */
3872                         if (!cam_periph_owned(periph) &&
3873                             (softc->flags & DA_FLAG_OPEN)) {
3874                                 dadump(softc->disk, NULL, 0, 0, 0);
3875                         }
3876                         continue;
3877                 }
3878                 cam_periph_lock(periph);
3879
3880                 /*
3881                  * We only sync the cache if the drive is still open, and
3882                  * if the drive is capable of it..
3883                  */
3884                 if (((softc->flags & DA_FLAG_OPEN) == 0)
3885                  || (softc->quirks & DA_Q_NO_SYNC_CACHE)) {
3886                         cam_periph_unlock(periph);
3887                         continue;
3888                 }
3889
3890                 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
3891                 scsi_synchronize_cache(&ccb->csio,
3892                                        /*retries*/0,
3893                                        /*cbfcnp*/dadone,
3894                                        MSG_SIMPLE_Q_TAG,
3895                                        /*begin_lba*/0, /* whole disk */
3896                                        /*lb_count*/0,
3897                                        SSD_FULL_SIZE,
3898                                        60 * 60 * 1000);
3899
3900                 error = cam_periph_runccb(ccb, daerror, /*cam_flags*/0,
3901                     /*sense_flags*/ SF_NO_RECOVERY | SF_NO_RETRY | SF_QUIET_IR,
3902                     softc->disk->d_devstat);
3903                 if (error != 0)
3904                         xpt_print(periph->path, "Synchronize cache failed\n");
3905                 xpt_release_ccb(ccb);
3906                 cam_periph_unlock(periph);
3907         }
3908 }
3909
3910 #else /* !_KERNEL */
3911
3912 /*
3913  * XXX These are only left out of the kernel build to silence warnings.  If,
3914  * for some reason these functions are used in the kernel, the ifdefs should
3915  * be moved so they are included both in the kernel and userland.
3916  */
3917 void
3918 scsi_format_unit(struct ccb_scsiio *csio, u_int32_t retries,
3919                  void (*cbfcnp)(struct cam_periph *, union ccb *),
3920                  u_int8_t tag_action, u_int8_t byte2, u_int16_t ileave,
3921                  u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len,
3922                  u_int32_t timeout)
3923 {
3924         struct scsi_format_unit *scsi_cmd;
3925
3926         scsi_cmd = (struct scsi_format_unit *)&csio->cdb_io.cdb_bytes;
3927         scsi_cmd->opcode = FORMAT_UNIT;
3928         scsi_cmd->byte2 = byte2;
3929         scsi_ulto2b(ileave, scsi_cmd->interleave);
3930
3931         cam_fill_csio(csio,
3932                       retries,
3933                       cbfcnp,
3934                       /*flags*/ (dxfer_len > 0) ? CAM_DIR_OUT : CAM_DIR_NONE,
3935                       tag_action,
3936                       data_ptr,
3937                       dxfer_len,
3938                       sense_len,
3939                       sizeof(*scsi_cmd),
3940                       timeout);
3941 }
3942
3943 void
3944 scsi_read_defects(struct ccb_scsiio *csio, uint32_t retries,
3945                   void (*cbfcnp)(struct cam_periph *, union ccb *),
3946                   uint8_t tag_action, uint8_t list_format,
3947                   uint32_t addr_desc_index, uint8_t *data_ptr,
3948                   uint32_t dxfer_len, int minimum_cmd_size,
3949                   uint8_t sense_len, uint32_t timeout)
3950 {
3951         uint8_t cdb_len;
3952
3953         /*
3954          * These conditions allow using the 10 byte command.  Otherwise we
3955          * need to use the 12 byte command.
3956          */
3957         if ((minimum_cmd_size <= 10)
3958          && (addr_desc_index == 0)
3959          && (dxfer_len <= SRDD10_MAX_LENGTH)) {
3960                 struct scsi_read_defect_data_10 *cdb10;
3961
3962                 cdb10 = (struct scsi_read_defect_data_10 *)
3963                         &csio->cdb_io.cdb_bytes;
3964
3965                 cdb_len = sizeof(*cdb10);
3966                 bzero(cdb10, cdb_len);
3967                 cdb10->opcode = READ_DEFECT_DATA_10;
3968                 cdb10->format = list_format;
3969                 scsi_ulto2b(dxfer_len, cdb10->alloc_length);
3970         } else {
3971                 struct scsi_read_defect_data_12 *cdb12;
3972
3973                 cdb12 = (struct scsi_read_defect_data_12 *)
3974                         &csio->cdb_io.cdb_bytes;
3975
3976                 cdb_len = sizeof(*cdb12);
3977                 bzero(cdb12, cdb_len);
3978                 cdb12->opcode = READ_DEFECT_DATA_12;
3979                 cdb12->format = list_format;
3980                 scsi_ulto4b(dxfer_len, cdb12->alloc_length);
3981                 scsi_ulto4b(addr_desc_index, cdb12->address_descriptor_index);
3982         }
3983
3984         cam_fill_csio(csio,
3985                       retries,
3986                       cbfcnp,
3987                       /*flags*/ CAM_DIR_IN,
3988                       tag_action,
3989                       data_ptr,
3990                       dxfer_len,
3991                       sense_len,
3992                       cdb_len,
3993                       timeout);
3994 }
3995
3996 void
3997 scsi_sanitize(struct ccb_scsiio *csio, u_int32_t retries,
3998               void (*cbfcnp)(struct cam_periph *, union ccb *),
3999               u_int8_t tag_action, u_int8_t byte2, u_int16_t control,
4000               u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len,
4001               u_int32_t timeout)
4002 {
4003         struct scsi_sanitize *scsi_cmd;
4004
4005         scsi_cmd = (struct scsi_sanitize *)&csio->cdb_io.cdb_bytes;
4006         scsi_cmd->opcode = SANITIZE;
4007         scsi_cmd->byte2 = byte2;
4008         scsi_cmd->control = control;
4009         scsi_ulto2b(dxfer_len, scsi_cmd->length);
4010
4011         cam_fill_csio(csio,
4012                       retries,
4013                       cbfcnp,
4014                       /*flags*/ (dxfer_len > 0) ? CAM_DIR_OUT : CAM_DIR_NONE,
4015                       tag_action,
4016                       data_ptr,
4017                       dxfer_len,
4018                       sense_len,
4019                       sizeof(*scsi_cmd),
4020                       timeout);
4021 }
4022
4023 #endif /* _KERNEL */