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                  * MX-ES USB Drive by Mach Xtreme
1181                  */
1182                 { T_DIRECT, SIP_MEDIA_REMOVABLE, "MX", "MXUB3*", "*"},
1183                 /*quirks*/DA_Q_NO_RC16
1184         },
1185 };
1186
1187 static  disk_strategy_t dastrategy;
1188 static  dumper_t        dadump;
1189 static  periph_init_t   dainit;
1190 static  void            daasync(void *callback_arg, u_int32_t code,
1191                                 struct cam_path *path, void *arg);
1192 static  void            dasysctlinit(void *context, int pending);
1193 static  int             dacmdsizesysctl(SYSCTL_HANDLER_ARGS);
1194 static  int             dadeletemethodsysctl(SYSCTL_HANDLER_ARGS);
1195 static  int             dadeletemaxsysctl(SYSCTL_HANDLER_ARGS);
1196 static  void            dadeletemethodset(struct da_softc *softc,
1197                                           da_delete_methods delete_method);
1198 static  off_t           dadeletemaxsize(struct da_softc *softc,
1199                                         da_delete_methods delete_method);
1200 static  void            dadeletemethodchoose(struct da_softc *softc,
1201                                              da_delete_methods default_method);
1202 static  void            daprobedone(struct cam_periph *periph, union ccb *ccb);
1203
1204 static  periph_ctor_t   daregister;
1205 static  periph_dtor_t   dacleanup;
1206 static  periph_start_t  dastart;
1207 static  periph_oninv_t  daoninvalidate;
1208 static  void            dadone(struct cam_periph *periph,
1209                                union ccb *done_ccb);
1210 static  int             daerror(union ccb *ccb, u_int32_t cam_flags,
1211                                 u_int32_t sense_flags);
1212 static void             daprevent(struct cam_periph *periph, int action);
1213 static void             dareprobe(struct cam_periph *periph);
1214 static void             dasetgeom(struct cam_periph *periph, uint32_t block_len,
1215                                   uint64_t maxsector,
1216                                   struct scsi_read_capacity_data_long *rcaplong,
1217                                   size_t rcap_size);
1218 static timeout_t        dasendorderedtag;
1219 static void             dashutdown(void *arg, int howto);
1220 static timeout_t        damediapoll;
1221
1222 #ifndef DA_DEFAULT_POLL_PERIOD
1223 #define DA_DEFAULT_POLL_PERIOD  3
1224 #endif
1225
1226 #ifndef DA_DEFAULT_TIMEOUT
1227 #define DA_DEFAULT_TIMEOUT 60   /* Timeout in seconds */
1228 #endif
1229
1230 #ifndef DA_DEFAULT_RETRY
1231 #define DA_DEFAULT_RETRY        4
1232 #endif
1233
1234 #ifndef DA_DEFAULT_SEND_ORDERED
1235 #define DA_DEFAULT_SEND_ORDERED 1
1236 #endif
1237
1238 #define DA_SIO (softc->sort_io_queue >= 0 ? \
1239     softc->sort_io_queue : cam_sort_io_queues)
1240
1241 static int da_poll_period = DA_DEFAULT_POLL_PERIOD;
1242 static int da_retry_count = DA_DEFAULT_RETRY;
1243 static int da_default_timeout = DA_DEFAULT_TIMEOUT;
1244 static int da_send_ordered = DA_DEFAULT_SEND_ORDERED;
1245
1246 static SYSCTL_NODE(_kern_cam, OID_AUTO, da, CTLFLAG_RD, 0,
1247             "CAM Direct Access Disk driver");
1248 SYSCTL_INT(_kern_cam_da, OID_AUTO, poll_period, CTLFLAG_RW,
1249            &da_poll_period, 0, "Media polling period in seconds");
1250 TUNABLE_INT("kern.cam.da.poll_period", &da_poll_period);
1251 SYSCTL_INT(_kern_cam_da, OID_AUTO, retry_count, CTLFLAG_RW,
1252            &da_retry_count, 0, "Normal I/O retry count");
1253 TUNABLE_INT("kern.cam.da.retry_count", &da_retry_count);
1254 SYSCTL_INT(_kern_cam_da, OID_AUTO, default_timeout, CTLFLAG_RW,
1255            &da_default_timeout, 0, "Normal I/O timeout (in seconds)");
1256 TUNABLE_INT("kern.cam.da.default_timeout", &da_default_timeout);
1257 SYSCTL_INT(_kern_cam_da, OID_AUTO, send_ordered, CTLFLAG_RW,
1258            &da_send_ordered, 0, "Send Ordered Tags");
1259 TUNABLE_INT("kern.cam.da.send_ordered", &da_send_ordered);
1260
1261 /*
1262  * DA_ORDEREDTAG_INTERVAL determines how often, relative
1263  * to the default timeout, we check to see whether an ordered
1264  * tagged transaction is appropriate to prevent simple tag
1265  * starvation.  Since we'd like to ensure that there is at least
1266  * 1/2 of the timeout length left for a starved transaction to
1267  * complete after we've sent an ordered tag, we must poll at least
1268  * four times in every timeout period.  This takes care of the worst
1269  * case where a starved transaction starts during an interval that
1270  * meets the requirement "don't send an ordered tag" test so it takes
1271  * us two intervals to determine that a tag must be sent.
1272  */
1273 #ifndef DA_ORDEREDTAG_INTERVAL
1274 #define DA_ORDEREDTAG_INTERVAL 4
1275 #endif
1276
1277 static struct periph_driver dadriver =
1278 {
1279         dainit, "da",
1280         TAILQ_HEAD_INITIALIZER(dadriver.units), /* generation */ 0
1281 };
1282
1283 PERIPHDRIVER_DECLARE(da, dadriver);
1284
1285 static MALLOC_DEFINE(M_SCSIDA, "scsi_da", "scsi_da buffers");
1286
1287 static int
1288 daopen(struct disk *dp)
1289 {
1290         struct cam_periph *periph;
1291         struct da_softc *softc;
1292         int error;
1293
1294         periph = (struct cam_periph *)dp->d_drv1;
1295         if (cam_periph_acquire(periph) != CAM_REQ_CMP) {
1296                 return (ENXIO);
1297         }
1298
1299         cam_periph_lock(periph);
1300         if ((error = cam_periph_hold(periph, PRIBIO|PCATCH)) != 0) {
1301                 cam_periph_unlock(periph);
1302                 cam_periph_release(periph);
1303                 return (error);
1304         }
1305
1306         CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH,
1307             ("daopen\n"));
1308
1309         softc = (struct da_softc *)periph->softc;
1310         dareprobe(periph);
1311
1312         /* Wait for the disk size update.  */
1313         error = cam_periph_sleep(periph, &softc->disk->d_mediasize, PRIBIO,
1314             "dareprobe", 0);
1315         if (error != 0)
1316                 xpt_print(periph->path, "unable to retrieve capacity data\n");
1317
1318         if (periph->flags & CAM_PERIPH_INVALID)
1319                 error = ENXIO;
1320
1321         if (error == 0 && (softc->flags & DA_FLAG_PACK_REMOVABLE) != 0 &&
1322             (softc->quirks & DA_Q_NO_PREVENT) == 0)
1323                 daprevent(periph, PR_PREVENT);
1324
1325         if (error == 0) {
1326                 softc->flags &= ~DA_FLAG_PACK_INVALID;
1327                 softc->flags |= DA_FLAG_OPEN;
1328         }
1329
1330         cam_periph_unhold(periph);
1331         cam_periph_unlock(periph);
1332
1333         if (error != 0)
1334                 cam_periph_release(periph);
1335
1336         return (error);
1337 }
1338
1339 static int
1340 daclose(struct disk *dp)
1341 {
1342         struct  cam_periph *periph;
1343         struct  da_softc *softc;
1344         union   ccb *ccb;
1345         int error;
1346
1347         periph = (struct cam_periph *)dp->d_drv1;
1348         softc = (struct da_softc *)periph->softc;
1349         cam_periph_lock(periph);
1350         CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH,
1351             ("daclose\n"));
1352
1353         if (cam_periph_hold(periph, PRIBIO) == 0) {
1354
1355                 /* Flush disk cache. */
1356                 if ((softc->flags & DA_FLAG_DIRTY) != 0 &&
1357                     (softc->quirks & DA_Q_NO_SYNC_CACHE) == 0 &&
1358                     (softc->flags & DA_FLAG_PACK_INVALID) == 0) {
1359                         ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
1360                         scsi_synchronize_cache(&ccb->csio, /*retries*/1,
1361                             /*cbfcnp*/dadone, MSG_SIMPLE_Q_TAG,
1362                             /*begin_lba*/0, /*lb_count*/0, SSD_FULL_SIZE,
1363                             5 * 60 * 1000);
1364                         error = cam_periph_runccb(ccb, daerror, /*cam_flags*/0,
1365                             /*sense_flags*/SF_RETRY_UA | SF_QUIET_IR,
1366                             softc->disk->d_devstat);
1367                         if (error == 0)
1368                                 softc->flags &= ~DA_FLAG_DIRTY;
1369                         xpt_release_ccb(ccb);
1370                 }
1371
1372                 /* Allow medium removal. */
1373                 if ((softc->flags & DA_FLAG_PACK_REMOVABLE) != 0 &&
1374                     (softc->quirks & DA_Q_NO_PREVENT) == 0)
1375                         daprevent(periph, PR_ALLOW);
1376
1377                 cam_periph_unhold(periph);
1378         }
1379
1380         /*
1381          * If we've got removeable media, mark the blocksize as
1382          * unavailable, since it could change when new media is
1383          * inserted.
1384          */
1385         if ((softc->flags & DA_FLAG_PACK_REMOVABLE) != 0)
1386                 softc->disk->d_devstat->flags |= DEVSTAT_BS_UNAVAILABLE;
1387
1388         softc->flags &= ~DA_FLAG_OPEN;
1389         while (softc->refcount != 0)
1390                 cam_periph_sleep(periph, &softc->refcount, PRIBIO, "daclose", 1);
1391         cam_periph_unlock(periph);
1392         cam_periph_release(periph);
1393         return (0);
1394 }
1395
1396 static void
1397 daschedule(struct cam_periph *periph)
1398 {
1399         struct da_softc *softc = (struct da_softc *)periph->softc;
1400
1401         if (softc->state != DA_STATE_NORMAL)
1402                 return;
1403
1404         /* Check if we have more work to do. */
1405         if (bioq_first(&softc->bio_queue) ||
1406             (!softc->delete_running && bioq_first(&softc->delete_queue)) ||
1407             softc->tur) {
1408                 xpt_schedule(periph, CAM_PRIORITY_NORMAL);
1409         }
1410 }
1411
1412 /*
1413  * Actually translate the requested transfer into one the physical driver
1414  * can understand.  The transfer is described by a buf and will include
1415  * only one physical transfer.
1416  */
1417 static void
1418 dastrategy(struct bio *bp)
1419 {
1420         struct cam_periph *periph;
1421         struct da_softc *softc;
1422
1423         periph = (struct cam_periph *)bp->bio_disk->d_drv1;
1424         softc = (struct da_softc *)periph->softc;
1425
1426         cam_periph_lock(periph);
1427
1428         /*
1429          * If the device has been made invalid, error out
1430          */
1431         if ((softc->flags & DA_FLAG_PACK_INVALID)) {
1432                 cam_periph_unlock(periph);
1433                 biofinish(bp, NULL, ENXIO);
1434                 return;
1435         }
1436
1437         CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dastrategy(%p)\n", bp));
1438
1439         /*
1440          * Place it in the queue of disk activities for this disk
1441          */
1442         if (bp->bio_cmd == BIO_DELETE) {
1443                 bioq_disksort(&softc->delete_queue, bp);
1444         } else if (DA_SIO) {
1445                 bioq_disksort(&softc->bio_queue, bp);
1446         } else {
1447                 bioq_insert_tail(&softc->bio_queue, bp);
1448         }
1449
1450         /*
1451          * Schedule ourselves for performing the work.
1452          */
1453         daschedule(periph);
1454         cam_periph_unlock(periph);
1455
1456         return;
1457 }
1458
1459 static int
1460 dadump(void *arg, void *virtual, vm_offset_t physical, off_t offset, size_t length)
1461 {
1462         struct      cam_periph *periph;
1463         struct      da_softc *softc;
1464         u_int       secsize;
1465         struct      ccb_scsiio csio;
1466         struct      disk *dp;
1467         int         error = 0;
1468
1469         dp = arg;
1470         periph = dp->d_drv1;
1471         softc = (struct da_softc *)periph->softc;
1472         cam_periph_lock(periph);
1473         secsize = softc->params.secsize;
1474
1475         if ((softc->flags & DA_FLAG_PACK_INVALID) != 0) {
1476                 cam_periph_unlock(periph);
1477                 return (ENXIO);
1478         }
1479
1480         if (length > 0) {
1481                 xpt_setup_ccb(&csio.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
1482                 csio.ccb_h.ccb_state = DA_CCB_DUMP;
1483                 scsi_read_write(&csio,
1484                                 /*retries*/0,
1485                                 dadone,
1486                                 MSG_ORDERED_Q_TAG,
1487                                 /*read*/SCSI_RW_WRITE,
1488                                 /*byte2*/0,
1489                                 /*minimum_cmd_size*/ softc->minimum_cmd_size,
1490                                 offset / secsize,
1491                                 length / secsize,
1492                                 /*data_ptr*/(u_int8_t *) virtual,
1493                                 /*dxfer_len*/length,
1494                                 /*sense_len*/SSD_FULL_SIZE,
1495                                 da_default_timeout * 1000);
1496                 xpt_polled_action((union ccb *)&csio);
1497
1498                 error = cam_periph_error((union ccb *)&csio,
1499                     0, SF_NO_RECOVERY | SF_NO_RETRY, NULL);
1500                 if ((csio.ccb_h.status & CAM_DEV_QFRZN) != 0)
1501                         cam_release_devq(csio.ccb_h.path, /*relsim_flags*/0,
1502                             /*reduction*/0, /*timeout*/0, /*getcount_only*/0);
1503                 if (error != 0)
1504                         printf("Aborting dump due to I/O error.\n");
1505                 cam_periph_unlock(periph);
1506                 return (error);
1507         }
1508
1509         /*
1510          * Sync the disk cache contents to the physical media.
1511          */
1512         if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) {
1513
1514                 xpt_setup_ccb(&csio.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
1515                 csio.ccb_h.ccb_state = DA_CCB_DUMP;
1516                 scsi_synchronize_cache(&csio,
1517                                        /*retries*/0,
1518                                        /*cbfcnp*/dadone,
1519                                        MSG_SIMPLE_Q_TAG,
1520                                        /*begin_lba*/0,/* Cover the whole disk */
1521                                        /*lb_count*/0,
1522                                        SSD_FULL_SIZE,
1523                                        5 * 60 * 1000);
1524                 xpt_polled_action((union ccb *)&csio);
1525
1526                 error = cam_periph_error((union ccb *)&csio,
1527                     0, SF_NO_RECOVERY | SF_NO_RETRY | SF_QUIET_IR, NULL);
1528                 if ((csio.ccb_h.status & CAM_DEV_QFRZN) != 0)
1529                         cam_release_devq(csio.ccb_h.path, /*relsim_flags*/0,
1530                             /*reduction*/0, /*timeout*/0, /*getcount_only*/0);
1531                 if (error != 0)
1532                         xpt_print(periph->path, "Synchronize cache failed\n");
1533         }
1534         cam_periph_unlock(periph);
1535         return (error);
1536 }
1537
1538 static int
1539 dagetattr(struct bio *bp)
1540 {
1541         int ret;
1542         struct cam_periph *periph;
1543
1544         periph = (struct cam_periph *)bp->bio_disk->d_drv1;
1545         cam_periph_lock(periph);
1546         ret = xpt_getattr(bp->bio_data, bp->bio_length, bp->bio_attribute,
1547             periph->path);
1548         cam_periph_unlock(periph);
1549         if (ret == 0)
1550                 bp->bio_completed = bp->bio_length;
1551         return ret;
1552 }
1553
1554 static void
1555 dainit(void)
1556 {
1557         cam_status status;
1558
1559         /*
1560          * Install a global async callback.  This callback will
1561          * receive async callbacks like "new device found".
1562          */
1563         status = xpt_register_async(AC_FOUND_DEVICE, daasync, NULL, NULL);
1564
1565         if (status != CAM_REQ_CMP) {
1566                 printf("da: Failed to attach master async callback "
1567                        "due to status 0x%x!\n", status);
1568         } else if (da_send_ordered) {
1569
1570                 /* Register our shutdown event handler */
1571                 if ((EVENTHANDLER_REGISTER(shutdown_post_sync, dashutdown,
1572                                            NULL, SHUTDOWN_PRI_DEFAULT)) == NULL)
1573                     printf("dainit: shutdown event registration failed!\n");
1574         }
1575 }
1576
1577 /*
1578  * Callback from GEOM, called when it has finished cleaning up its
1579  * resources.
1580  */
1581 static void
1582 dadiskgonecb(struct disk *dp)
1583 {
1584         struct cam_periph *periph;
1585
1586         periph = (struct cam_periph *)dp->d_drv1;
1587         cam_periph_release(periph);
1588 }
1589
1590 static void
1591 daoninvalidate(struct cam_periph *periph)
1592 {
1593         struct da_softc *softc;
1594
1595         softc = (struct da_softc *)periph->softc;
1596
1597         /*
1598          * De-register any async callbacks.
1599          */
1600         xpt_register_async(0, daasync, periph, periph->path);
1601
1602         softc->flags |= DA_FLAG_PACK_INVALID;
1603
1604         /*
1605          * Return all queued I/O with ENXIO.
1606          * XXX Handle any transactions queued to the card
1607          *     with XPT_ABORT_CCB.
1608          */
1609         bioq_flush(&softc->bio_queue, NULL, ENXIO);
1610         bioq_flush(&softc->delete_queue, NULL, ENXIO);
1611
1612         /*
1613          * Tell GEOM that we've gone away, we'll get a callback when it is
1614          * done cleaning up its resources.
1615          */
1616         disk_gone(softc->disk);
1617 }
1618
1619 static void
1620 dacleanup(struct cam_periph *periph)
1621 {
1622         struct da_softc *softc;
1623
1624         softc = (struct da_softc *)periph->softc;
1625
1626         cam_periph_unlock(periph);
1627
1628         /*
1629          * If we can't free the sysctl tree, oh well...
1630          */
1631         if ((softc->flags & DA_FLAG_SCTX_INIT) != 0
1632             && sysctl_ctx_free(&softc->sysctl_ctx) != 0) {
1633                 xpt_print(periph->path, "can't remove sysctl context\n");
1634         }
1635
1636         callout_drain(&softc->mediapoll_c);
1637         disk_destroy(softc->disk);
1638         callout_drain(&softc->sendordered_c);
1639         free(softc, M_DEVBUF);
1640         cam_periph_lock(periph);
1641 }
1642
1643 static void
1644 daasync(void *callback_arg, u_int32_t code,
1645         struct cam_path *path, void *arg)
1646 {
1647         struct cam_periph *periph;
1648         struct da_softc *softc;
1649
1650         periph = (struct cam_periph *)callback_arg;
1651         switch (code) {
1652         case AC_FOUND_DEVICE:
1653         {
1654                 struct ccb_getdev *cgd;
1655                 cam_status status;
1656
1657                 cgd = (struct ccb_getdev *)arg;
1658                 if (cgd == NULL)
1659                         break;
1660
1661                 if (cgd->protocol != PROTO_SCSI)
1662                         break;
1663
1664                 if (SID_TYPE(&cgd->inq_data) != T_DIRECT
1665                     && SID_TYPE(&cgd->inq_data) != T_RBC
1666                     && SID_TYPE(&cgd->inq_data) != T_OPTICAL)
1667                         break;
1668
1669                 /*
1670                  * Allocate a peripheral instance for
1671                  * this device and start the probe
1672                  * process.
1673                  */
1674                 status = cam_periph_alloc(daregister, daoninvalidate,
1675                                           dacleanup, dastart,
1676                                           "da", CAM_PERIPH_BIO,
1677                                           path, daasync,
1678                                           AC_FOUND_DEVICE, cgd);
1679
1680                 if (status != CAM_REQ_CMP
1681                  && status != CAM_REQ_INPROG)
1682                         printf("daasync: Unable to attach to new device "
1683                                 "due to status 0x%x\n", status);
1684                 return;
1685         }
1686         case AC_ADVINFO_CHANGED:
1687         {
1688                 uintptr_t buftype;
1689
1690                 buftype = (uintptr_t)arg;
1691                 if (buftype == CDAI_TYPE_PHYS_PATH) {
1692                         struct da_softc *softc;
1693
1694                         softc = periph->softc;
1695                         disk_attr_changed(softc->disk, "GEOM::physpath",
1696                                           M_NOWAIT);
1697                 }
1698                 break;
1699         }
1700         case AC_UNIT_ATTENTION:
1701         {
1702                 union ccb *ccb;
1703                 int error_code, sense_key, asc, ascq;
1704
1705                 softc = (struct da_softc *)periph->softc;
1706                 ccb = (union ccb *)arg;
1707
1708                 /*
1709                  * Handle all UNIT ATTENTIONs except our own,
1710                  * as they will be handled by daerror().
1711                  */
1712                 if (xpt_path_periph(ccb->ccb_h.path) != periph &&
1713                     scsi_extract_sense_ccb(ccb,
1714                      &error_code, &sense_key, &asc, &ascq)) {
1715                         if (asc == 0x2A && ascq == 0x09) {
1716                                 xpt_print(ccb->ccb_h.path,
1717                                     "Capacity data has changed\n");
1718                                 softc->flags &= ~DA_FLAG_PROBED;
1719                                 dareprobe(periph);
1720                         } else if (asc == 0x28 && ascq == 0x00) {
1721                                 softc->flags &= ~DA_FLAG_PROBED;
1722                                 disk_media_changed(softc->disk, M_NOWAIT);
1723                         } else if (asc == 0x3F && ascq == 0x03) {
1724                                 xpt_print(ccb->ccb_h.path,
1725                                     "INQUIRY data has changed\n");
1726                                 softc->flags &= ~DA_FLAG_PROBED;
1727                                 dareprobe(periph);
1728                         }
1729                 }
1730                 cam_periph_async(periph, code, path, arg);
1731                 break;
1732         }
1733         case AC_SCSI_AEN:
1734                 softc = (struct da_softc *)periph->softc;
1735                 if (!softc->tur) {
1736                         if (cam_periph_acquire(periph) == CAM_REQ_CMP) {
1737                                 softc->tur = 1;
1738                                 daschedule(periph);
1739                         }
1740                 }
1741                 /* FALLTHROUGH */
1742         case AC_SENT_BDR:
1743         case AC_BUS_RESET:
1744         {
1745                 struct ccb_hdr *ccbh;
1746
1747                 softc = (struct da_softc *)periph->softc;
1748                 /*
1749                  * Don't fail on the expected unit attention
1750                  * that will occur.
1751                  */
1752                 softc->flags |= DA_FLAG_RETRY_UA;
1753                 LIST_FOREACH(ccbh, &softc->pending_ccbs, periph_links.le)
1754                         ccbh->ccb_state |= DA_CCB_RETRY_UA;
1755                 break;
1756         }
1757         default:
1758                 break;
1759         }
1760         cam_periph_async(periph, code, path, arg);
1761 }
1762
1763 static void
1764 dasysctlinit(void *context, int pending)
1765 {
1766         struct cam_periph *periph;
1767         struct da_softc *softc;
1768         char tmpstr[80], tmpstr2[80];
1769         struct ccb_trans_settings cts;
1770
1771         periph = (struct cam_periph *)context;
1772         /*
1773          * periph was held for us when this task was enqueued
1774          */
1775         if (periph->flags & CAM_PERIPH_INVALID) {
1776                 cam_periph_release(periph);
1777                 return;
1778         }
1779
1780         softc = (struct da_softc *)periph->softc;
1781         snprintf(tmpstr, sizeof(tmpstr), "CAM DA unit %d", periph->unit_number);
1782         snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number);
1783
1784         sysctl_ctx_init(&softc->sysctl_ctx);
1785         softc->flags |= DA_FLAG_SCTX_INIT;
1786         softc->sysctl_tree = SYSCTL_ADD_NODE(&softc->sysctl_ctx,
1787                 SYSCTL_STATIC_CHILDREN(_kern_cam_da), OID_AUTO, tmpstr2,
1788                 CTLFLAG_RD, 0, tmpstr);
1789         if (softc->sysctl_tree == NULL) {
1790                 printf("dasysctlinit: unable to allocate sysctl tree\n");
1791                 cam_periph_release(periph);
1792                 return;
1793         }
1794
1795         /*
1796          * Now register the sysctl handler, so the user can change the value on
1797          * the fly.
1798          */
1799         SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1800                 OID_AUTO, "delete_method", CTLTYPE_STRING | CTLFLAG_RW,
1801                 softc, 0, dadeletemethodsysctl, "A",
1802                 "BIO_DELETE execution method");
1803         SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1804                 OID_AUTO, "delete_max", CTLTYPE_U64 | CTLFLAG_RW,
1805                 softc, 0, dadeletemaxsysctl, "Q",
1806                 "Maximum BIO_DELETE size");
1807         SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1808                 OID_AUTO, "minimum_cmd_size", CTLTYPE_INT | CTLFLAG_RW,
1809                 &softc->minimum_cmd_size, 0, dacmdsizesysctl, "I",
1810                 "Minimum CDB size");
1811         SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1812                 OID_AUTO, "sort_io_queue", CTLFLAG_RW, &softc->sort_io_queue, 0,
1813                 "Sort IO queue to try and optimise disk access patterns");
1814
1815         SYSCTL_ADD_INT(&softc->sysctl_ctx,
1816                        SYSCTL_CHILDREN(softc->sysctl_tree),
1817                        OID_AUTO,
1818                        "error_inject",
1819                        CTLFLAG_RW,
1820                        &softc->error_inject,
1821                        0,
1822                        "error_inject leaf");
1823
1824
1825         /*
1826          * Add some addressing info.
1827          */
1828         memset(&cts, 0, sizeof (cts));
1829         xpt_setup_ccb(&cts.ccb_h, periph->path, CAM_PRIORITY_NONE);
1830         cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS;
1831         cts.type = CTS_TYPE_CURRENT_SETTINGS;
1832         cam_periph_lock(periph);
1833         xpt_action((union ccb *)&cts);
1834         cam_periph_unlock(periph);
1835         if (cts.ccb_h.status != CAM_REQ_CMP) {
1836                 cam_periph_release(periph);
1837                 return;
1838         }
1839         if (cts.protocol == PROTO_SCSI && cts.transport == XPORT_FC) {
1840                 struct ccb_trans_settings_fc *fc = &cts.xport_specific.fc;
1841                 if (fc->valid & CTS_FC_VALID_WWPN) {
1842                         softc->wwpn = fc->wwpn;
1843                         SYSCTL_ADD_UQUAD(&softc->sysctl_ctx,
1844                             SYSCTL_CHILDREN(softc->sysctl_tree),
1845                             OID_AUTO, "wwpn", CTLFLAG_RD,
1846                             &softc->wwpn, "World Wide Port Name");
1847                 }
1848         }
1849         cam_periph_release(periph);
1850 }
1851
1852 static int
1853 dadeletemaxsysctl(SYSCTL_HANDLER_ARGS)
1854 {
1855         int error;
1856         uint64_t value;
1857         struct da_softc *softc;
1858
1859         softc = (struct da_softc *)arg1;
1860
1861         value = softc->disk->d_delmaxsize;
1862         error = sysctl_handle_64(oidp, &value, 0, req);
1863         if ((error != 0) || (req->newptr == NULL))
1864                 return (error);
1865
1866         /* only accept values smaller than the calculated value */
1867         if (value > dadeletemaxsize(softc, softc->delete_method)) {
1868                 return (EINVAL);
1869         }
1870         softc->disk->d_delmaxsize = value;
1871
1872         return (0);
1873 }
1874
1875 static int
1876 dacmdsizesysctl(SYSCTL_HANDLER_ARGS)
1877 {
1878         int error, value;
1879
1880         value = *(int *)arg1;
1881
1882         error = sysctl_handle_int(oidp, &value, 0, req);
1883
1884         if ((error != 0)
1885          || (req->newptr == NULL))
1886                 return (error);
1887
1888         /*
1889          * Acceptable values here are 6, 10, 12 or 16.
1890          */
1891         if (value < 6)
1892                 value = 6;
1893         else if ((value > 6)
1894               && (value <= 10))
1895                 value = 10;
1896         else if ((value > 10)
1897               && (value <= 12))
1898                 value = 12;
1899         else if (value > 12)
1900                 value = 16;
1901
1902         *(int *)arg1 = value;
1903
1904         return (0);
1905 }
1906
1907 static void
1908 dadeletemethodset(struct da_softc *softc, da_delete_methods delete_method)
1909 {
1910
1911
1912         softc->delete_method = delete_method;
1913         softc->disk->d_delmaxsize = dadeletemaxsize(softc, delete_method);
1914         softc->delete_func = da_delete_functions[delete_method];
1915
1916         if (softc->delete_method > DA_DELETE_DISABLE)
1917                 softc->disk->d_flags |= DISKFLAG_CANDELETE;
1918         else
1919                 softc->disk->d_flags &= ~DISKFLAG_CANDELETE;
1920 }
1921
1922 static off_t
1923 dadeletemaxsize(struct da_softc *softc, da_delete_methods delete_method)
1924 {
1925         off_t sectors;
1926
1927         switch(delete_method) {
1928         case DA_DELETE_UNMAP:
1929                 sectors = (off_t)softc->unmap_max_lba;
1930                 break;
1931         case DA_DELETE_ATA_TRIM:
1932                 sectors = (off_t)ATA_DSM_RANGE_MAX * softc->trim_max_ranges;
1933                 break;
1934         case DA_DELETE_WS16:
1935                 sectors = omin(softc->ws_max_blks, WS16_MAX_BLKS);
1936                 break;
1937         case DA_DELETE_ZERO:
1938         case DA_DELETE_WS10:
1939                 sectors = omin(softc->ws_max_blks, WS10_MAX_BLKS);
1940                 break;
1941         default:
1942                 return 0;
1943         }
1944
1945         return (off_t)softc->params.secsize *
1946             omin(sectors, softc->params.sectors);
1947 }
1948
1949 static void
1950 daprobedone(struct cam_periph *periph, union ccb *ccb)
1951 {
1952         struct da_softc *softc;
1953
1954         softc = (struct da_softc *)periph->softc;
1955
1956         dadeletemethodchoose(softc, DA_DELETE_NONE);
1957
1958         if (bootverbose && (softc->flags & DA_FLAG_ANNOUNCED) == 0) {
1959                 char buf[80];
1960                 int i, sep;
1961
1962                 snprintf(buf, sizeof(buf), "Delete methods: <");
1963                 sep = 0;
1964                 for (i = DA_DELETE_MIN; i <= DA_DELETE_MAX; i++) {
1965                         if (softc->delete_available & (1 << i)) {
1966                                 if (sep) {
1967                                         strlcat(buf, ",", sizeof(buf));
1968                                 } else {
1969                                     sep = 1;
1970                                 }
1971                                 strlcat(buf, da_delete_method_names[i],
1972                                     sizeof(buf));
1973                                 if (i == softc->delete_method) {
1974                                         strlcat(buf, "(*)", sizeof(buf));
1975                                 }
1976                         }
1977                 }
1978                 if (sep == 0) {
1979                         if (softc->delete_method == DA_DELETE_NONE)
1980                                 strlcat(buf, "NONE(*)", sizeof(buf));
1981                         else
1982                                 strlcat(buf, "DISABLED(*)", sizeof(buf));
1983                 }
1984                 strlcat(buf, ">", sizeof(buf));
1985                 printf("%s%d: %s\n", periph->periph_name,
1986                     periph->unit_number, buf);
1987         }
1988
1989         /*
1990          * Since our peripheral may be invalidated by an error
1991          * above or an external event, we must release our CCB
1992          * before releasing the probe lock on the peripheral.
1993          * The peripheral will only go away once the last lock
1994          * is removed, and we need it around for the CCB release
1995          * operation.
1996          */
1997         xpt_release_ccb(ccb);
1998         softc->state = DA_STATE_NORMAL;
1999         softc->flags |= DA_FLAG_PROBED;
2000         daschedule(periph);
2001         wakeup(&softc->disk->d_mediasize);
2002         if ((softc->flags & DA_FLAG_ANNOUNCED) == 0) {
2003                 softc->flags |= DA_FLAG_ANNOUNCED;
2004                 cam_periph_unhold(periph);
2005         } else
2006                 cam_periph_release_locked(periph);
2007 }
2008
2009 static void
2010 dadeletemethodchoose(struct da_softc *softc, da_delete_methods default_method)
2011 {
2012         int i, delete_method;
2013
2014         delete_method = default_method;
2015
2016         /*
2017          * Use the pre-defined order to choose the best
2018          * performing delete.
2019          */
2020         for (i = DA_DELETE_MIN; i <= DA_DELETE_MAX; i++) {
2021                 if (softc->delete_available & (1 << i)) {
2022                         dadeletemethodset(softc, i);
2023                         return;
2024                 }
2025         }
2026         dadeletemethodset(softc, delete_method);
2027 }
2028
2029 static int
2030 dadeletemethodsysctl(SYSCTL_HANDLER_ARGS)
2031 {
2032         char buf[16];
2033         const char *p;
2034         struct da_softc *softc;
2035         int i, error, methods, value;
2036
2037         softc = (struct da_softc *)arg1;
2038
2039         value = softc->delete_method;
2040         if (value < 0 || value > DA_DELETE_MAX)
2041                 p = "UNKNOWN";
2042         else
2043                 p = da_delete_method_names[value];
2044         strncpy(buf, p, sizeof(buf));
2045         error = sysctl_handle_string(oidp, buf, sizeof(buf), req);
2046         if (error != 0 || req->newptr == NULL)
2047                 return (error);
2048         methods = softc->delete_available | (1 << DA_DELETE_DISABLE);
2049         for (i = 0; i <= DA_DELETE_MAX; i++) {
2050                 if (!(methods & (1 << i)) ||
2051                     strcmp(buf, da_delete_method_names[i]) != 0)
2052                         continue;
2053                 dadeletemethodset(softc, i);
2054                 return (0);
2055         }
2056         return (EINVAL);
2057 }
2058
2059 static cam_status
2060 daregister(struct cam_periph *periph, void *arg)
2061 {
2062         struct da_softc *softc;
2063         struct ccb_pathinq cpi;
2064         struct ccb_getdev *cgd;
2065         char tmpstr[80];
2066         caddr_t match;
2067
2068         cgd = (struct ccb_getdev *)arg;
2069         if (cgd == NULL) {
2070                 printf("daregister: no getdev CCB, can't register device\n");
2071                 return(CAM_REQ_CMP_ERR);
2072         }
2073
2074         softc = (struct da_softc *)malloc(sizeof(*softc), M_DEVBUF,
2075             M_NOWAIT|M_ZERO);
2076
2077         if (softc == NULL) {
2078                 printf("daregister: Unable to probe new device. "
2079                        "Unable to allocate softc\n");
2080                 return(CAM_REQ_CMP_ERR);
2081         }
2082
2083         LIST_INIT(&softc->pending_ccbs);
2084         softc->state = DA_STATE_PROBE_RC;
2085         bioq_init(&softc->bio_queue);
2086         bioq_init(&softc->delete_queue);
2087         bioq_init(&softc->delete_run_queue);
2088         if (SID_IS_REMOVABLE(&cgd->inq_data))
2089                 softc->flags |= DA_FLAG_PACK_REMOVABLE;
2090         softc->unmap_max_ranges = UNMAP_MAX_RANGES;
2091         softc->unmap_max_lba = UNMAP_RANGE_MAX;
2092         softc->ws_max_blks = WS16_MAX_BLKS;
2093         softc->trim_max_ranges = ATA_TRIM_MAX_RANGES;
2094         softc->sort_io_queue = -1;
2095
2096         periph->softc = softc;
2097
2098         /*
2099          * See if this device has any quirks.
2100          */
2101         match = cam_quirkmatch((caddr_t)&cgd->inq_data,
2102                                (caddr_t)da_quirk_table,
2103                                sizeof(da_quirk_table)/sizeof(*da_quirk_table),
2104                                sizeof(*da_quirk_table), scsi_inquiry_match);
2105
2106         if (match != NULL)
2107                 softc->quirks = ((struct da_quirk_entry *)match)->quirks;
2108         else
2109                 softc->quirks = DA_Q_NONE;
2110
2111         /* Check if the SIM does not want 6 byte commands */
2112         bzero(&cpi, sizeof(cpi));
2113         xpt_setup_ccb(&cpi.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
2114         cpi.ccb_h.func_code = XPT_PATH_INQ;
2115         xpt_action((union ccb *)&cpi);
2116         if (cpi.ccb_h.status == CAM_REQ_CMP && (cpi.hba_misc & PIM_NO_6_BYTE))
2117                 softc->quirks |= DA_Q_NO_6_BYTE;
2118
2119         TASK_INIT(&softc->sysctl_task, 0, dasysctlinit, periph);
2120
2121         /*
2122          * Take an exclusive refcount on the periph while dastart is called
2123          * to finish the probe.  The reference will be dropped in dadone at
2124          * the end of probe.
2125          */
2126         (void)cam_periph_hold(periph, PRIBIO);
2127
2128         /*
2129          * Schedule a periodic event to occasionally send an
2130          * ordered tag to a device.
2131          */
2132         callout_init_mtx(&softc->sendordered_c, cam_periph_mtx(periph), 0);
2133         callout_reset(&softc->sendordered_c,
2134             (da_default_timeout * hz) / DA_ORDEREDTAG_INTERVAL,
2135             dasendorderedtag, softc);
2136
2137         cam_periph_unlock(periph);
2138         /*
2139          * RBC devices don't have to support READ(6), only READ(10).
2140          */
2141         if (softc->quirks & DA_Q_NO_6_BYTE || SID_TYPE(&cgd->inq_data) == T_RBC)
2142                 softc->minimum_cmd_size = 10;
2143         else
2144                 softc->minimum_cmd_size = 6;
2145
2146         /*
2147          * Load the user's default, if any.
2148          */
2149         snprintf(tmpstr, sizeof(tmpstr), "kern.cam.da.%d.minimum_cmd_size",
2150                  periph->unit_number);
2151         TUNABLE_INT_FETCH(tmpstr, &softc->minimum_cmd_size);
2152
2153         /*
2154          * 6, 10, 12 and 16 are the currently permissible values.
2155          */
2156         if (softc->minimum_cmd_size < 6)
2157                 softc->minimum_cmd_size = 6;
2158         else if ((softc->minimum_cmd_size > 6)
2159               && (softc->minimum_cmd_size <= 10))
2160                 softc->minimum_cmd_size = 10;
2161         else if ((softc->minimum_cmd_size > 10)
2162               && (softc->minimum_cmd_size <= 12))
2163                 softc->minimum_cmd_size = 12;
2164         else if (softc->minimum_cmd_size > 12)
2165                 softc->minimum_cmd_size = 16;
2166
2167         /* Predict whether device may support READ CAPACITY(16). */
2168         if (SID_ANSI_REV(&cgd->inq_data) >= SCSI_REV_SPC3 &&
2169             (softc->quirks & DA_Q_NO_RC16) == 0) {
2170                 softc->flags |= DA_FLAG_CAN_RC16;
2171                 softc->state = DA_STATE_PROBE_RC16;
2172         }
2173
2174         /*
2175          * Register this media as a disk.
2176          */
2177         softc->disk = disk_alloc();
2178         softc->disk->d_devstat = devstat_new_entry(periph->periph_name,
2179                           periph->unit_number, 0,
2180                           DEVSTAT_BS_UNAVAILABLE,
2181                           SID_TYPE(&cgd->inq_data) |
2182                           XPORT_DEVSTAT_TYPE(cpi.transport),
2183                           DEVSTAT_PRIORITY_DISK);
2184         softc->disk->d_open = daopen;
2185         softc->disk->d_close = daclose;
2186         softc->disk->d_strategy = dastrategy;
2187         softc->disk->d_dump = dadump;
2188         softc->disk->d_getattr = dagetattr;
2189         softc->disk->d_gone = dadiskgonecb;
2190         softc->disk->d_name = "da";
2191         softc->disk->d_drv1 = periph;
2192         if (cpi.maxio == 0)
2193                 softc->maxio = DFLTPHYS;        /* traditional default */
2194         else if (cpi.maxio > MAXPHYS)
2195                 softc->maxio = MAXPHYS;         /* for safety */
2196         else
2197                 softc->maxio = cpi.maxio;
2198         softc->disk->d_maxsize = softc->maxio;
2199         softc->disk->d_unit = periph->unit_number;
2200         softc->disk->d_flags = DISKFLAG_DIRECT_COMPLETION;
2201         if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0)
2202                 softc->disk->d_flags |= DISKFLAG_CANFLUSHCACHE;
2203         if ((cpi.hba_misc & PIM_UNMAPPED) != 0)
2204                 softc->disk->d_flags |= DISKFLAG_UNMAPPED_BIO;
2205         cam_strvis(softc->disk->d_descr, cgd->inq_data.vendor,
2206             sizeof(cgd->inq_data.vendor), sizeof(softc->disk->d_descr));
2207         strlcat(softc->disk->d_descr, " ", sizeof(softc->disk->d_descr));
2208         cam_strvis(&softc->disk->d_descr[strlen(softc->disk->d_descr)],
2209             cgd->inq_data.product, sizeof(cgd->inq_data.product),
2210             sizeof(softc->disk->d_descr) - strlen(softc->disk->d_descr));
2211         softc->disk->d_hba_vendor = cpi.hba_vendor;
2212         softc->disk->d_hba_device = cpi.hba_device;
2213         softc->disk->d_hba_subvendor = cpi.hba_subvendor;
2214         softc->disk->d_hba_subdevice = cpi.hba_subdevice;
2215
2216         /*
2217          * Acquire a reference to the periph before we register with GEOM.
2218          * We'll release this reference once GEOM calls us back (via
2219          * dadiskgonecb()) telling us that our provider has been freed.
2220          */
2221         if (cam_periph_acquire(periph) != CAM_REQ_CMP) {
2222                 xpt_print(periph->path, "%s: lost periph during "
2223                           "registration!\n", __func__);
2224                 cam_periph_lock(periph);
2225                 return (CAM_REQ_CMP_ERR);
2226         }
2227
2228         disk_create(softc->disk, DISK_VERSION);
2229         cam_periph_lock(periph);
2230
2231         /*
2232          * Add async callbacks for events of interest.
2233          * I don't bother checking if this fails as,
2234          * in most cases, the system will function just
2235          * fine without them and the only alternative
2236          * would be to not attach the device on failure.
2237          */
2238         xpt_register_async(AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE |
2239             AC_ADVINFO_CHANGED | AC_SCSI_AEN | AC_UNIT_ATTENTION,
2240             daasync, periph, periph->path);
2241
2242         /*
2243          * Emit an attribute changed notification just in case
2244          * physical path information arrived before our async
2245          * event handler was registered, but after anyone attaching
2246          * to our disk device polled it.
2247          */
2248         disk_attr_changed(softc->disk, "GEOM::physpath", M_NOWAIT);
2249
2250         /*
2251          * Schedule a periodic media polling events.
2252          */
2253         callout_init_mtx(&softc->mediapoll_c, cam_periph_mtx(periph), 0);
2254         if ((softc->flags & DA_FLAG_PACK_REMOVABLE) &&
2255             (cgd->inq_flags & SID_AEN) == 0 &&
2256             da_poll_period != 0)
2257                 callout_reset(&softc->mediapoll_c, da_poll_period * hz,
2258                     damediapoll, periph);
2259
2260         xpt_schedule(periph, CAM_PRIORITY_DEV);
2261
2262         return(CAM_REQ_CMP);
2263 }
2264
2265 static void
2266 dastart(struct cam_periph *periph, union ccb *start_ccb)
2267 {
2268         struct da_softc *softc;
2269
2270         softc = (struct da_softc *)periph->softc;
2271
2272         CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dastart\n"));
2273
2274 skipstate:
2275         switch (softc->state) {
2276         case DA_STATE_NORMAL:
2277         {
2278                 struct bio *bp;
2279                 uint8_t tag_code;
2280
2281                 /* Run BIO_DELETE if not running yet. */
2282                 if (!softc->delete_running &&
2283                     (bp = bioq_first(&softc->delete_queue)) != NULL) {
2284                         if (softc->delete_func != NULL) {
2285                                 softc->delete_func(periph, start_ccb, bp);
2286                                 goto out;
2287                         } else {
2288                                 bioq_flush(&softc->delete_queue, NULL, 0);
2289                                 /* FALLTHROUGH */
2290                         }
2291                 }
2292
2293                 /* Run regular command. */
2294                 bp = bioq_takefirst(&softc->bio_queue);
2295                 if (bp == NULL) {
2296                         if (softc->tur) {
2297                                 softc->tur = 0;
2298                                 scsi_test_unit_ready(&start_ccb->csio,
2299                                      /*retries*/ da_retry_count,
2300                                      dadone,
2301                                      MSG_SIMPLE_Q_TAG,
2302                                      SSD_FULL_SIZE,
2303                                      da_default_timeout * 1000);
2304                                 start_ccb->ccb_h.ccb_bp = NULL;
2305                                 start_ccb->ccb_h.ccb_state = DA_CCB_TUR;
2306                                 xpt_action(start_ccb);
2307                         } else
2308                                 xpt_release_ccb(start_ccb);
2309                         break;
2310                 }
2311                 if (softc->tur) {
2312                         softc->tur = 0;
2313                         cam_periph_release_locked(periph);
2314                 }
2315
2316                 if ((bp->bio_flags & BIO_ORDERED) != 0 ||
2317                     (softc->flags & DA_FLAG_NEED_OTAG) != 0) {
2318                         softc->flags &= ~DA_FLAG_NEED_OTAG;
2319                         softc->flags |= DA_FLAG_WAS_OTAG;
2320                         tag_code = MSG_ORDERED_Q_TAG;
2321                 } else {
2322                         tag_code = MSG_SIMPLE_Q_TAG;
2323                 }
2324
2325                 switch (bp->bio_cmd) {
2326                 case BIO_WRITE:
2327                         softc->flags |= DA_FLAG_DIRTY;
2328                         /* FALLTHROUGH */
2329                 case BIO_READ:
2330                         scsi_read_write(&start_ccb->csio,
2331                                         /*retries*/da_retry_count,
2332                                         /*cbfcnp*/dadone,
2333                                         /*tag_action*/tag_code,
2334                                         /*read_op*/(bp->bio_cmd == BIO_READ ?
2335                                         SCSI_RW_READ : SCSI_RW_WRITE) |
2336                                         ((bp->bio_flags & BIO_UNMAPPED) != 0 ?
2337                                         SCSI_RW_BIO : 0),
2338                                         /*byte2*/0,
2339                                         softc->minimum_cmd_size,
2340                                         /*lba*/bp->bio_pblkno,
2341                                         /*block_count*/bp->bio_bcount /
2342                                         softc->params.secsize,
2343                                         /*data_ptr*/ (bp->bio_flags &
2344                                         BIO_UNMAPPED) != 0 ? (void *)bp :
2345                                         bp->bio_data,
2346                                         /*dxfer_len*/ bp->bio_bcount,
2347                                         /*sense_len*/SSD_FULL_SIZE,
2348                                         da_default_timeout * 1000);
2349                         break;
2350                 case BIO_FLUSH:
2351                         /*
2352                          * BIO_FLUSH doesn't currently communicate
2353                          * range data, so we synchronize the cache
2354                          * over the whole disk.  We also force
2355                          * ordered tag semantics the flush applies
2356                          * to all previously queued I/O.
2357                          */
2358                         scsi_synchronize_cache(&start_ccb->csio,
2359                                                /*retries*/1,
2360                                                /*cbfcnp*/dadone,
2361                                                MSG_ORDERED_Q_TAG,
2362                                                /*begin_lba*/0,
2363                                                /*lb_count*/0,
2364                                                SSD_FULL_SIZE,
2365                                                da_default_timeout*1000);
2366                         break;
2367                 }
2368                 start_ccb->ccb_h.ccb_state = DA_CCB_BUFFER_IO;
2369                 start_ccb->ccb_h.flags |= CAM_UNLOCKED;
2370
2371 out:
2372                 LIST_INSERT_HEAD(&softc->pending_ccbs,
2373                                  &start_ccb->ccb_h, periph_links.le);
2374
2375                 /* We expect a unit attention from this device */
2376                 if ((softc->flags & DA_FLAG_RETRY_UA) != 0) {
2377                         start_ccb->ccb_h.ccb_state |= DA_CCB_RETRY_UA;
2378                         softc->flags &= ~DA_FLAG_RETRY_UA;
2379                 }
2380
2381                 start_ccb->ccb_h.ccb_bp = bp;
2382                 softc->refcount++;
2383                 cam_periph_unlock(periph);
2384                 xpt_action(start_ccb);
2385                 cam_periph_lock(periph);
2386                 softc->refcount--;
2387
2388                 /* May have more work to do, so ensure we stay scheduled */
2389                 daschedule(periph);
2390                 break;
2391         }
2392         case DA_STATE_PROBE_RC:
2393         {
2394                 struct scsi_read_capacity_data *rcap;
2395
2396                 rcap = (struct scsi_read_capacity_data *)
2397                     malloc(sizeof(*rcap), M_SCSIDA, M_NOWAIT|M_ZERO);
2398                 if (rcap == NULL) {
2399                         printf("dastart: Couldn't malloc read_capacity data\n");
2400                         /* da_free_periph??? */
2401                         break;
2402                 }
2403                 scsi_read_capacity(&start_ccb->csio,
2404                                    /*retries*/da_retry_count,
2405                                    dadone,
2406                                    MSG_SIMPLE_Q_TAG,
2407                                    rcap,
2408                                    SSD_FULL_SIZE,
2409                                    /*timeout*/5000);
2410                 start_ccb->ccb_h.ccb_bp = NULL;
2411                 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_RC;
2412                 xpt_action(start_ccb);
2413                 break;
2414         }
2415         case DA_STATE_PROBE_RC16:
2416         {
2417                 struct scsi_read_capacity_data_long *rcaplong;
2418
2419                 rcaplong = (struct scsi_read_capacity_data_long *)
2420                         malloc(sizeof(*rcaplong), M_SCSIDA, M_NOWAIT|M_ZERO);
2421                 if (rcaplong == NULL) {
2422                         printf("dastart: Couldn't malloc read_capacity data\n");
2423                         /* da_free_periph??? */
2424                         break;
2425                 }
2426                 scsi_read_capacity_16(&start_ccb->csio,
2427                                       /*retries*/ da_retry_count,
2428                                       /*cbfcnp*/ dadone,
2429                                       /*tag_action*/ MSG_SIMPLE_Q_TAG,
2430                                       /*lba*/ 0,
2431                                       /*reladr*/ 0,
2432                                       /*pmi*/ 0,
2433                                       /*rcap_buf*/ (uint8_t *)rcaplong,
2434                                       /*rcap_buf_len*/ sizeof(*rcaplong),
2435                                       /*sense_len*/ SSD_FULL_SIZE,
2436                                       /*timeout*/ da_default_timeout * 1000);
2437                 start_ccb->ccb_h.ccb_bp = NULL;
2438                 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_RC16;
2439                 xpt_action(start_ccb);
2440                 break;
2441         }
2442         case DA_STATE_PROBE_LBP:
2443         {
2444                 struct scsi_vpd_logical_block_prov *lbp;
2445
2446                 if (!scsi_vpd_supported_page(periph, SVPD_LBP)) {
2447                         /*
2448                          * If we get here we don't support any SBC-3 delete
2449                          * methods with UNMAP as the Logical Block Provisioning
2450                          * VPD page support is required for devices which
2451                          * support it according to T10/1799-D Revision 31
2452                          * however older revisions of the spec don't mandate
2453                          * this so we currently don't remove these methods
2454                          * from the available set.
2455                          */
2456                         softc->state = DA_STATE_PROBE_BLK_LIMITS;
2457                         goto skipstate;
2458                 }
2459
2460                 lbp = (struct scsi_vpd_logical_block_prov *)
2461                         malloc(sizeof(*lbp), M_SCSIDA, M_NOWAIT|M_ZERO);
2462
2463                 if (lbp == NULL) {
2464                         printf("dastart: Couldn't malloc lbp data\n");
2465                         /* da_free_periph??? */
2466                         break;
2467                 }
2468
2469                 scsi_inquiry(&start_ccb->csio,
2470                              /*retries*/da_retry_count,
2471                              /*cbfcnp*/dadone,
2472                              /*tag_action*/MSG_SIMPLE_Q_TAG,
2473                              /*inq_buf*/(u_int8_t *)lbp,
2474                              /*inq_len*/sizeof(*lbp),
2475                              /*evpd*/TRUE,
2476                              /*page_code*/SVPD_LBP,
2477                              /*sense_len*/SSD_MIN_SIZE,
2478                              /*timeout*/da_default_timeout * 1000);
2479                 start_ccb->ccb_h.ccb_bp = NULL;
2480                 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_LBP;
2481                 xpt_action(start_ccb);
2482                 break;
2483         }
2484         case DA_STATE_PROBE_BLK_LIMITS:
2485         {
2486                 struct scsi_vpd_block_limits *block_limits;
2487
2488                 if (!scsi_vpd_supported_page(periph, SVPD_BLOCK_LIMITS)) {
2489                         /* Not supported skip to next probe */
2490                         softc->state = DA_STATE_PROBE_BDC;
2491                         goto skipstate;
2492                 }
2493
2494                 block_limits = (struct scsi_vpd_block_limits *)
2495                         malloc(sizeof(*block_limits), M_SCSIDA, M_NOWAIT|M_ZERO);
2496
2497                 if (block_limits == NULL) {
2498                         printf("dastart: Couldn't malloc block_limits data\n");
2499                         /* da_free_periph??? */
2500                         break;
2501                 }
2502
2503                 scsi_inquiry(&start_ccb->csio,
2504                              /*retries*/da_retry_count,
2505                              /*cbfcnp*/dadone,
2506                              /*tag_action*/MSG_SIMPLE_Q_TAG,
2507                              /*inq_buf*/(u_int8_t *)block_limits,
2508                              /*inq_len*/sizeof(*block_limits),
2509                              /*evpd*/TRUE,
2510                              /*page_code*/SVPD_BLOCK_LIMITS,
2511                              /*sense_len*/SSD_MIN_SIZE,
2512                              /*timeout*/da_default_timeout * 1000);
2513                 start_ccb->ccb_h.ccb_bp = NULL;
2514                 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_BLK_LIMITS;
2515                 xpt_action(start_ccb);
2516                 break;
2517         }
2518         case DA_STATE_PROBE_BDC:
2519         {
2520                 struct scsi_vpd_block_characteristics *bdc;
2521
2522                 if (!scsi_vpd_supported_page(periph, SVPD_BDC)) {
2523                         softc->state = DA_STATE_PROBE_ATA;
2524                         goto skipstate;
2525                 }
2526
2527                 bdc = (struct scsi_vpd_block_characteristics *)
2528                         malloc(sizeof(*bdc), M_SCSIDA, M_NOWAIT|M_ZERO);
2529
2530                 if (bdc == NULL) {
2531                         printf("dastart: Couldn't malloc bdc data\n");
2532                         /* da_free_periph??? */
2533                         break;
2534                 }
2535
2536                 scsi_inquiry(&start_ccb->csio,
2537                              /*retries*/da_retry_count,
2538                              /*cbfcnp*/dadone,
2539                              /*tag_action*/MSG_SIMPLE_Q_TAG,
2540                              /*inq_buf*/(u_int8_t *)bdc,
2541                              /*inq_len*/sizeof(*bdc),
2542                              /*evpd*/TRUE,
2543                              /*page_code*/SVPD_BDC,
2544                              /*sense_len*/SSD_MIN_SIZE,
2545                              /*timeout*/da_default_timeout * 1000);
2546                 start_ccb->ccb_h.ccb_bp = NULL;
2547                 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_BDC;
2548                 xpt_action(start_ccb);
2549                 break;
2550         }
2551         case DA_STATE_PROBE_ATA:
2552         {
2553                 struct ata_params *ata_params;
2554
2555                 if (!scsi_vpd_supported_page(periph, SVPD_ATA_INFORMATION)) {
2556                         daprobedone(periph, start_ccb);
2557                         break;
2558                 }
2559
2560                 ata_params = (struct ata_params*)
2561                         malloc(sizeof(*ata_params), M_SCSIDA, M_NOWAIT|M_ZERO);
2562
2563                 if (ata_params == NULL) {
2564                         printf("dastart: Couldn't malloc ata_params data\n");
2565                         /* da_free_periph??? */
2566                         break;
2567                 }
2568
2569                 scsi_ata_identify(&start_ccb->csio,
2570                                   /*retries*/da_retry_count,
2571                                   /*cbfcnp*/dadone,
2572                                   /*tag_action*/MSG_SIMPLE_Q_TAG,
2573                                   /*data_ptr*/(u_int8_t *)ata_params,
2574                                   /*dxfer_len*/sizeof(*ata_params),
2575                                   /*sense_len*/SSD_FULL_SIZE,
2576                                   /*timeout*/da_default_timeout * 1000);
2577                 start_ccb->ccb_h.ccb_bp = NULL;
2578                 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_ATA;
2579                 xpt_action(start_ccb);
2580                 break;
2581         }
2582         }
2583 }
2584
2585 /*
2586  * In each of the methods below, while its the caller's
2587  * responsibility to ensure the request will fit into a
2588  * single device request, we might have changed the delete
2589  * method due to the device incorrectly advertising either
2590  * its supported methods or limits.
2591  *
2592  * To prevent this causing further issues we validate the
2593  * against the methods limits, and warn which would
2594  * otherwise be unnecessary.
2595  */
2596 static void
2597 da_delete_unmap(struct cam_periph *periph, union ccb *ccb, struct bio *bp)
2598 {
2599         struct da_softc *softc = (struct da_softc *)periph->softc;;
2600         struct bio *bp1;
2601         uint8_t *buf = softc->unmap_buf;
2602         uint64_t lba, lastlba = (uint64_t)-1;
2603         uint64_t totalcount = 0;
2604         uint64_t count;
2605         uint32_t lastcount = 0, c;
2606         uint32_t off, ranges = 0;
2607
2608         /*
2609          * Currently this doesn't take the UNMAP
2610          * Granularity and Granularity Alignment
2611          * fields into account.
2612          *
2613          * This could result in both unoptimal unmap
2614          * requests as as well as UNMAP calls unmapping
2615          * fewer LBA's than requested.
2616          */
2617
2618         softc->delete_running = 1;
2619         bzero(softc->unmap_buf, sizeof(softc->unmap_buf));
2620         bp1 = bp;
2621         do {
2622                 bioq_remove(&softc->delete_queue, bp1);
2623                 if (bp1 != bp)
2624                         bioq_insert_tail(&softc->delete_run_queue, bp1);
2625                 lba = bp1->bio_pblkno;
2626                 count = bp1->bio_bcount / softc->params.secsize;
2627
2628                 /* Try to extend the previous range. */
2629                 if (lba == lastlba) {
2630                         c = omin(count, UNMAP_RANGE_MAX - lastcount);
2631                         lastcount += c;
2632                         off = ((ranges - 1) * UNMAP_RANGE_SIZE) +
2633                               UNMAP_HEAD_SIZE;
2634                         scsi_ulto4b(lastcount, &buf[off + 8]);
2635                         count -= c;
2636                         lba +=c;
2637                         totalcount += c;
2638                 }
2639
2640                 while (count > 0) {
2641                         c = omin(count, UNMAP_RANGE_MAX);
2642                         if (totalcount + c > softc->unmap_max_lba ||
2643                             ranges >= softc->unmap_max_ranges) {
2644                                 xpt_print(periph->path,
2645                                     "%s issuing short delete %ld > %ld"
2646                                     "|| %d >= %d",
2647                                     da_delete_method_desc[softc->delete_method],
2648                                     totalcount + c, softc->unmap_max_lba,
2649                                     ranges, softc->unmap_max_ranges);
2650                                 break;
2651                         }
2652                         off = (ranges * UNMAP_RANGE_SIZE) + UNMAP_HEAD_SIZE;
2653                         scsi_u64to8b(lba, &buf[off + 0]);
2654                         scsi_ulto4b(c, &buf[off + 8]);
2655                         lba += c;
2656                         totalcount += c;
2657                         ranges++;
2658                         count -= c;
2659                         lastcount = c;
2660                 }
2661                 lastlba = lba;
2662                 bp1 = bioq_first(&softc->delete_queue);
2663                 if (bp1 == NULL || ranges >= softc->unmap_max_ranges ||
2664                     totalcount + bp1->bio_bcount /
2665                     softc->params.secsize > softc->unmap_max_lba)
2666                         break;
2667         } while (1);
2668         scsi_ulto2b(ranges * 16 + 6, &buf[0]);
2669         scsi_ulto2b(ranges * 16, &buf[2]);
2670
2671         scsi_unmap(&ccb->csio,
2672                    /*retries*/da_retry_count,
2673                    /*cbfcnp*/dadone,
2674                    /*tag_action*/MSG_SIMPLE_Q_TAG,
2675                    /*byte2*/0,
2676                    /*data_ptr*/ buf,
2677                    /*dxfer_len*/ ranges * 16 + 8,
2678                    /*sense_len*/SSD_FULL_SIZE,
2679                    da_default_timeout * 1000);
2680         ccb->ccb_h.ccb_state = DA_CCB_DELETE;
2681         ccb->ccb_h.flags |= CAM_UNLOCKED;
2682 }
2683
2684 static void
2685 da_delete_trim(struct cam_periph *periph, union ccb *ccb, struct bio *bp)
2686 {
2687         struct da_softc *softc = (struct da_softc *)periph->softc;
2688         struct bio *bp1;
2689         uint8_t *buf = softc->unmap_buf;
2690         uint64_t lastlba = (uint64_t)-1;
2691         uint64_t count;
2692         uint64_t lba;
2693         uint32_t lastcount = 0, c, requestcount;
2694         int ranges = 0, off, block_count;
2695
2696         softc->delete_running = 1;
2697         bzero(softc->unmap_buf, sizeof(softc->unmap_buf));
2698         bp1 = bp;
2699         do {
2700                 bioq_remove(&softc->delete_queue, bp1);
2701                 if (bp1 != bp)
2702                         bioq_insert_tail(&softc->delete_run_queue, bp1);
2703                 lba = bp1->bio_pblkno;
2704                 count = bp1->bio_bcount / softc->params.secsize;
2705                 requestcount = count;
2706
2707                 /* Try to extend the previous range. */
2708                 if (lba == lastlba) {
2709                         c = omin(count, ATA_DSM_RANGE_MAX - lastcount);
2710                         lastcount += c;
2711                         off = (ranges - 1) * 8;
2712                         buf[off + 6] = lastcount & 0xff;
2713                         buf[off + 7] = (lastcount >> 8) & 0xff;
2714                         count -= c;
2715                         lba += c;
2716                 }
2717
2718                 while (count > 0) {
2719                         c = omin(count, ATA_DSM_RANGE_MAX);
2720                         off = ranges * 8;
2721
2722                         buf[off + 0] = lba & 0xff;
2723                         buf[off + 1] = (lba >> 8) & 0xff;
2724                         buf[off + 2] = (lba >> 16) & 0xff;
2725                         buf[off + 3] = (lba >> 24) & 0xff;
2726                         buf[off + 4] = (lba >> 32) & 0xff;
2727                         buf[off + 5] = (lba >> 40) & 0xff;
2728                         buf[off + 6] = c & 0xff;
2729                         buf[off + 7] = (c >> 8) & 0xff;
2730                         lba += c;
2731                         ranges++;
2732                         count -= c;
2733                         lastcount = c;
2734                         if (count != 0 && ranges == softc->trim_max_ranges) {
2735                                 xpt_print(periph->path,
2736                                     "%s issuing short delete %ld > %ld\n",
2737                                     da_delete_method_desc[softc->delete_method],
2738                                     requestcount,
2739                                     (softc->trim_max_ranges - ranges) *
2740                                     ATA_DSM_RANGE_MAX);
2741                                 break;
2742                         }
2743                 }
2744                 lastlba = lba;
2745                 bp1 = bioq_first(&softc->delete_queue);
2746                 if (bp1 == NULL || bp1->bio_bcount / softc->params.secsize >
2747                     (softc->trim_max_ranges - ranges) * ATA_DSM_RANGE_MAX)
2748                         break;
2749         } while (1);
2750
2751         block_count = (ranges + ATA_DSM_BLK_RANGES - 1) / ATA_DSM_BLK_RANGES;
2752         scsi_ata_trim(&ccb->csio,
2753                       /*retries*/da_retry_count,
2754                       /*cbfcnp*/dadone,
2755                       /*tag_action*/MSG_SIMPLE_Q_TAG,
2756                       block_count,
2757                       /*data_ptr*/buf,
2758                       /*dxfer_len*/block_count * ATA_DSM_BLK_SIZE,
2759                       /*sense_len*/SSD_FULL_SIZE,
2760                       da_default_timeout * 1000);
2761         ccb->ccb_h.ccb_state = DA_CCB_DELETE;
2762         ccb->ccb_h.flags |= CAM_UNLOCKED;
2763 }
2764
2765 /*
2766  * We calculate ws_max_blks here based off d_delmaxsize instead
2767  * of using softc->ws_max_blks as it is absolute max for the
2768  * device not the protocol max which may well be lower.
2769  */
2770 static void
2771 da_delete_ws(struct cam_periph *periph, union ccb *ccb, struct bio *bp)
2772 {
2773         struct da_softc *softc;
2774         struct bio *bp1;
2775         uint64_t ws_max_blks;
2776         uint64_t lba;
2777         uint64_t count; /* forward compat with WS32 */
2778
2779         softc = (struct da_softc *)periph->softc;
2780         ws_max_blks = softc->disk->d_delmaxsize / softc->params.secsize;
2781         softc->delete_running = 1;
2782         lba = bp->bio_pblkno;
2783         count = 0;
2784         bp1 = bp;
2785         do {
2786                 bioq_remove(&softc->delete_queue, bp1);
2787                 if (bp1 != bp)
2788                         bioq_insert_tail(&softc->delete_run_queue, bp1);
2789                 count += bp1->bio_bcount / softc->params.secsize;
2790                 if (count > ws_max_blks) {
2791                         xpt_print(periph->path,
2792                             "%s issuing short delete %ld > %ld\n",
2793                             da_delete_method_desc[softc->delete_method],
2794                             count, ws_max_blks);
2795                         count = omin(count, ws_max_blks);
2796                         break;
2797                 }
2798                 bp1 = bioq_first(&softc->delete_queue);
2799                 if (bp1 == NULL || lba + count != bp1->bio_pblkno ||
2800                     count + bp1->bio_bcount /
2801                     softc->params.secsize > ws_max_blks)
2802                         break;
2803         } while (1);
2804
2805         scsi_write_same(&ccb->csio,
2806                         /*retries*/da_retry_count,
2807                         /*cbfcnp*/dadone,
2808                         /*tag_action*/MSG_SIMPLE_Q_TAG,
2809                         /*byte2*/softc->delete_method ==
2810                             DA_DELETE_ZERO ? 0 : SWS_UNMAP,
2811                         softc->delete_method == DA_DELETE_WS16 ? 16 : 10,
2812                         /*lba*/lba,
2813                         /*block_count*/count,
2814                         /*data_ptr*/ __DECONST(void *, zero_region),
2815                         /*dxfer_len*/ softc->params.secsize,
2816                         /*sense_len*/SSD_FULL_SIZE,
2817                         da_default_timeout * 1000);
2818         ccb->ccb_h.ccb_state = DA_CCB_DELETE;
2819         ccb->ccb_h.flags |= CAM_UNLOCKED;
2820 }
2821
2822 static int
2823 cmd6workaround(union ccb *ccb)
2824 {
2825         struct scsi_rw_6 cmd6;
2826         struct scsi_rw_10 *cmd10;
2827         struct da_softc *softc;
2828         u_int8_t *cdb;
2829         struct bio *bp;
2830         int frozen;
2831
2832         cdb = ccb->csio.cdb_io.cdb_bytes;
2833         softc = (struct da_softc *)xpt_path_periph(ccb->ccb_h.path)->softc;
2834
2835         if (ccb->ccb_h.ccb_state == DA_CCB_DELETE) {
2836                 da_delete_methods old_method = softc->delete_method;
2837
2838                 /*
2839                  * Typically there are two reasons for failure here
2840                  * 1. Delete method was detected as supported but isn't
2841                  * 2. Delete failed due to invalid params e.g. too big
2842                  *
2843                  * While we will attempt to choose an alternative delete method
2844                  * this may result in short deletes if the existing delete
2845                  * requests from geom are big for the new method choosen.
2846                  *
2847                  * This method assumes that the error which triggered this
2848                  * will not retry the io otherwise a panic will occur
2849                  */
2850                 dadeleteflag(softc, old_method, 0);
2851                 dadeletemethodchoose(softc, DA_DELETE_DISABLE);
2852                 if (softc->delete_method == DA_DELETE_DISABLE)
2853                         xpt_print(ccb->ccb_h.path,
2854                                   "%s failed, disabling BIO_DELETE\n",
2855                                   da_delete_method_desc[old_method]);
2856                 else
2857                         xpt_print(ccb->ccb_h.path,
2858                                   "%s failed, switching to %s BIO_DELETE\n",
2859                                   da_delete_method_desc[old_method],
2860                                   da_delete_method_desc[softc->delete_method]);
2861
2862                 while ((bp = bioq_takefirst(&softc->delete_run_queue)) != NULL)
2863                         bioq_disksort(&softc->delete_queue, bp);
2864                 bioq_disksort(&softc->delete_queue,
2865                     (struct bio *)ccb->ccb_h.ccb_bp);
2866                 ccb->ccb_h.ccb_bp = NULL;
2867                 return (0);
2868         }
2869
2870         /* Detect unsupported PREVENT ALLOW MEDIUM REMOVAL. */
2871         if ((ccb->ccb_h.flags & CAM_CDB_POINTER) == 0 &&
2872             (*cdb == PREVENT_ALLOW) &&
2873             (softc->quirks & DA_Q_NO_PREVENT) == 0) {
2874                 if (bootverbose)
2875                         xpt_print(ccb->ccb_h.path,
2876                             "PREVENT ALLOW MEDIUM REMOVAL not supported.\n");
2877                 softc->quirks |= DA_Q_NO_PREVENT;
2878                 return (0);
2879         }
2880
2881         /* Detect unsupported SYNCHRONIZE CACHE(10). */
2882         if ((ccb->ccb_h.flags & CAM_CDB_POINTER) == 0 &&
2883             (*cdb == SYNCHRONIZE_CACHE) &&
2884             (softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) {
2885                 if (bootverbose)
2886                         xpt_print(ccb->ccb_h.path,
2887                             "SYNCHRONIZE CACHE(10) not supported.\n");
2888                 softc->quirks |= DA_Q_NO_SYNC_CACHE;
2889                 softc->disk->d_flags &= ~DISKFLAG_CANFLUSHCACHE;
2890                 return (0);
2891         }
2892
2893         /* Translation only possible if CDB is an array and cmd is R/W6 */
2894         if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0 ||
2895             (*cdb != READ_6 && *cdb != WRITE_6))
2896                 return 0;
2897
2898         xpt_print(ccb->ccb_h.path, "READ(6)/WRITE(6) not supported, "
2899             "increasing minimum_cmd_size to 10.\n");
2900         softc->minimum_cmd_size = 10;
2901
2902         bcopy(cdb, &cmd6, sizeof(struct scsi_rw_6));
2903         cmd10 = (struct scsi_rw_10 *)cdb;
2904         cmd10->opcode = (cmd6.opcode == READ_6) ? READ_10 : WRITE_10;
2905         cmd10->byte2 = 0;
2906         scsi_ulto4b(scsi_3btoul(cmd6.addr), cmd10->addr);
2907         cmd10->reserved = 0;
2908         scsi_ulto2b(cmd6.length, cmd10->length);
2909         cmd10->control = cmd6.control;
2910         ccb->csio.cdb_len = sizeof(*cmd10);
2911
2912         /* Requeue request, unfreezing queue if necessary */
2913         frozen = (ccb->ccb_h.status & CAM_DEV_QFRZN) != 0;
2914         ccb->ccb_h.status = CAM_REQUEUE_REQ;
2915         xpt_action(ccb);
2916         if (frozen) {
2917                 cam_release_devq(ccb->ccb_h.path,
2918                                  /*relsim_flags*/0,
2919                                  /*reduction*/0,
2920                                  /*timeout*/0,
2921                                  /*getcount_only*/0);
2922         }
2923         return (ERESTART);
2924 }
2925
2926 static void
2927 dadone(struct cam_periph *periph, union ccb *done_ccb)
2928 {
2929         struct da_softc *softc;
2930         struct ccb_scsiio *csio;
2931         u_int32_t  priority;
2932         da_ccb_state state;
2933
2934         softc = (struct da_softc *)periph->softc;
2935         priority = done_ccb->ccb_h.pinfo.priority;
2936
2937         CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone\n"));
2938
2939         csio = &done_ccb->csio;
2940         state = csio->ccb_h.ccb_state & DA_CCB_TYPE_MASK;
2941         switch (state) {
2942         case DA_CCB_BUFFER_IO:
2943         case DA_CCB_DELETE:
2944         {
2945                 struct bio *bp, *bp1;
2946
2947                 cam_periph_lock(periph);
2948                 bp = (struct bio *)done_ccb->ccb_h.ccb_bp;
2949                 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
2950                         int error;
2951                         int sf;
2952
2953                         if ((csio->ccb_h.ccb_state & DA_CCB_RETRY_UA) != 0)
2954                                 sf = SF_RETRY_UA;
2955                         else
2956                                 sf = 0;
2957
2958                         error = daerror(done_ccb, CAM_RETRY_SELTO, sf);
2959                         if (error == ERESTART) {
2960                                 /*
2961                                  * A retry was scheduled, so
2962                                  * just return.
2963                                  */
2964                                 cam_periph_unlock(periph);
2965                                 return;
2966                         }
2967                         bp = (struct bio *)done_ccb->ccb_h.ccb_bp;
2968                         if (error != 0) {
2969                                 int queued_error;
2970
2971                                 /*
2972                                  * return all queued I/O with EIO, so that
2973                                  * the client can retry these I/Os in the
2974                                  * proper order should it attempt to recover.
2975                                  */
2976                                 queued_error = EIO;
2977
2978                                 if (error == ENXIO
2979                                  && (softc->flags & DA_FLAG_PACK_INVALID)== 0) {
2980                                         /*
2981                                          * Catastrophic error.  Mark our pack as
2982                                          * invalid.
2983                                          */
2984                                         /*
2985                                          * XXX See if this is really a media
2986                                          * XXX change first?
2987                                          */
2988                                         xpt_print(periph->path,
2989                                             "Invalidating pack\n");
2990                                         softc->flags |= DA_FLAG_PACK_INVALID;
2991                                         queued_error = ENXIO;
2992                                 }
2993                                 bioq_flush(&softc->bio_queue, NULL,
2994                                            queued_error);
2995                                 if (bp != NULL) {
2996                                         bp->bio_error = error;
2997                                         bp->bio_resid = bp->bio_bcount;
2998                                         bp->bio_flags |= BIO_ERROR;
2999                                 }
3000                         } else if (bp != NULL) {
3001                                 if (state == DA_CCB_DELETE)
3002                                         bp->bio_resid = 0;
3003                                 else
3004                                         bp->bio_resid = csio->resid;
3005                                 bp->bio_error = 0;
3006                                 if (bp->bio_resid != 0)
3007                                         bp->bio_flags |= BIO_ERROR;
3008                         }
3009                         if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
3010                                 cam_release_devq(done_ccb->ccb_h.path,
3011                                                  /*relsim_flags*/0,
3012                                                  /*reduction*/0,
3013                                                  /*timeout*/0,
3014                                                  /*getcount_only*/0);
3015                 } else if (bp != NULL) {
3016                         if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
3017                                 panic("REQ_CMP with QFRZN");
3018                         if (state == DA_CCB_DELETE)
3019                                 bp->bio_resid = 0;
3020                         else
3021                                 bp->bio_resid = csio->resid;
3022                         if (csio->resid > 0)
3023                                 bp->bio_flags |= BIO_ERROR;
3024                         if (softc->error_inject != 0) {
3025                                 bp->bio_error = softc->error_inject;
3026                                 bp->bio_resid = bp->bio_bcount;
3027                                 bp->bio_flags |= BIO_ERROR;
3028                                 softc->error_inject = 0;
3029                         }
3030                 }
3031
3032                 LIST_REMOVE(&done_ccb->ccb_h, periph_links.le);
3033                 if (LIST_EMPTY(&softc->pending_ccbs))
3034                         softc->flags |= DA_FLAG_WAS_OTAG;
3035
3036                 xpt_release_ccb(done_ccb);
3037                 if (state == DA_CCB_DELETE) {
3038                         TAILQ_HEAD(, bio) queue;
3039
3040                         TAILQ_INIT(&queue);
3041                         TAILQ_CONCAT(&queue, &softc->delete_run_queue.queue, bio_queue);
3042                         softc->delete_run_queue.insert_point = NULL;
3043                         softc->delete_running = 0;
3044                         daschedule(periph);
3045                         cam_periph_unlock(periph);
3046                         while ((bp1 = TAILQ_FIRST(&queue)) != NULL) {
3047                                 TAILQ_REMOVE(&queue, bp1, bio_queue);
3048                                 bp1->bio_error = bp->bio_error;
3049                                 if (bp->bio_flags & BIO_ERROR) {
3050                                         bp1->bio_flags |= BIO_ERROR;
3051                                         bp1->bio_resid = bp1->bio_bcount;
3052                                 } else
3053                                         bp1->bio_resid = 0;
3054                                 biodone(bp1);
3055                         }
3056                 } else
3057                         cam_periph_unlock(periph);
3058                 if (bp != NULL)
3059                         biodone(bp);
3060                 return;
3061         }
3062         case DA_CCB_PROBE_RC:
3063         case DA_CCB_PROBE_RC16:
3064         {
3065                 struct     scsi_read_capacity_data *rdcap;
3066                 struct     scsi_read_capacity_data_long *rcaplong;
3067                 char       announce_buf[80];
3068                 int        lbp;
3069
3070                 lbp = 0;
3071                 rdcap = NULL;
3072                 rcaplong = NULL;
3073                 if (state == DA_CCB_PROBE_RC)
3074                         rdcap =(struct scsi_read_capacity_data *)csio->data_ptr;
3075                 else
3076                         rcaplong = (struct scsi_read_capacity_data_long *)
3077                                 csio->data_ptr;
3078
3079                 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
3080                         struct disk_params *dp;
3081                         uint32_t block_size;
3082                         uint64_t maxsector;
3083                         u_int lbppbe;   /* LB per physical block exponent. */
3084                         u_int lalba;    /* Lowest aligned LBA. */
3085
3086                         if (state == DA_CCB_PROBE_RC) {
3087                                 block_size = scsi_4btoul(rdcap->length);
3088                                 maxsector = scsi_4btoul(rdcap->addr);
3089                                 lbppbe = 0;
3090                                 lalba = 0;
3091
3092                                 /*
3093                                  * According to SBC-2, if the standard 10
3094                                  * byte READ CAPACITY command returns 2^32,
3095                                  * we should issue the 16 byte version of
3096                                  * the command, since the device in question
3097                                  * has more sectors than can be represented
3098                                  * with the short version of the command.
3099                                  */
3100                                 if (maxsector == 0xffffffff) {
3101                                         free(rdcap, M_SCSIDA);
3102                                         xpt_release_ccb(done_ccb);
3103                                         softc->state = DA_STATE_PROBE_RC16;
3104                                         xpt_schedule(periph, priority);
3105                                         return;
3106                                 }
3107                         } else {
3108                                 block_size = scsi_4btoul(rcaplong->length);
3109                                 maxsector = scsi_8btou64(rcaplong->addr);
3110                                 lbppbe = rcaplong->prot_lbppbe & SRC16_LBPPBE;
3111                                 lalba = scsi_2btoul(rcaplong->lalba_lbp);
3112                         }
3113
3114                         /*
3115                          * Because GEOM code just will panic us if we
3116                          * give them an 'illegal' value we'll avoid that
3117                          * here.
3118                          */
3119                         if (block_size == 0) {
3120                                 block_size = 512;
3121                                 if (maxsector == 0)
3122                                         maxsector = -1;
3123                         }
3124                         if (block_size >= MAXPHYS) {
3125                                 xpt_print(periph->path,
3126                                     "unsupportable block size %ju\n",
3127                                     (uintmax_t) block_size);
3128                                 announce_buf[0] = '\0';
3129                                 cam_periph_invalidate(periph);
3130                         } else {
3131                                 /*
3132                                  * We pass rcaplong into dasetgeom(),
3133                                  * because it will only use it if it is
3134                                  * non-NULL.
3135                                  */
3136                                 dasetgeom(periph, block_size, maxsector,
3137                                           rcaplong, sizeof(*rcaplong));
3138                                 lbp = (lalba & SRC16_LBPME_A);
3139                                 dp = &softc->params;
3140                                 snprintf(announce_buf, sizeof(announce_buf),
3141                                         "%juMB (%ju %u byte sectors: %dH %dS/T "
3142                                         "%dC)", (uintmax_t)
3143                                         (((uintmax_t)dp->secsize *
3144                                         dp->sectors) / (1024*1024)),
3145                                         (uintmax_t)dp->sectors,
3146                                         dp->secsize, dp->heads,
3147                                         dp->secs_per_track, dp->cylinders);
3148                         }
3149                 } else {
3150                         int     error;
3151
3152                         announce_buf[0] = '\0';
3153
3154                         /*
3155                          * Retry any UNIT ATTENTION type errors.  They
3156                          * are expected at boot.
3157                          */
3158                         error = daerror(done_ccb, CAM_RETRY_SELTO,
3159                                         SF_RETRY_UA|SF_NO_PRINT);
3160                         if (error == ERESTART) {
3161                                 /*
3162                                  * A retry was scheuled, so
3163                                  * just return.
3164                                  */
3165                                 return;
3166                         } else if (error != 0) {
3167                                 int asc, ascq;
3168                                 int sense_key, error_code;
3169                                 int have_sense;
3170                                 cam_status status;
3171                                 struct ccb_getdev cgd;
3172
3173                                 /* Don't wedge this device's queue */
3174                                 status = done_ccb->ccb_h.status;
3175                                 if ((status & CAM_DEV_QFRZN) != 0)
3176                                         cam_release_devq(done_ccb->ccb_h.path,
3177                                                          /*relsim_flags*/0,
3178                                                          /*reduction*/0,
3179                                                          /*timeout*/0,
3180                                                          /*getcount_only*/0);
3181
3182
3183                                 xpt_setup_ccb(&cgd.ccb_h,
3184                                               done_ccb->ccb_h.path,
3185                                               CAM_PRIORITY_NORMAL);
3186                                 cgd.ccb_h.func_code = XPT_GDEV_TYPE;
3187                                 xpt_action((union ccb *)&cgd);
3188
3189                                 if (scsi_extract_sense_ccb(done_ccb,
3190                                     &error_code, &sense_key, &asc, &ascq))
3191                                         have_sense = TRUE;
3192                                 else
3193                                         have_sense = FALSE;
3194
3195                                 /*
3196                                  * If we tried READ CAPACITY(16) and failed,
3197                                  * fallback to READ CAPACITY(10).
3198                                  */
3199                                 if ((state == DA_CCB_PROBE_RC16) &&
3200                                     (softc->flags & DA_FLAG_CAN_RC16) &&
3201                                     (((csio->ccb_h.status & CAM_STATUS_MASK) ==
3202                                         CAM_REQ_INVALID) ||
3203                                      ((have_sense) &&
3204                                       (error_code == SSD_CURRENT_ERROR) &&
3205                                       (sense_key == SSD_KEY_ILLEGAL_REQUEST)))) {
3206                                         softc->flags &= ~DA_FLAG_CAN_RC16;
3207                                         free(rdcap, M_SCSIDA);
3208                                         xpt_release_ccb(done_ccb);
3209                                         softc->state = DA_STATE_PROBE_RC;
3210                                         xpt_schedule(periph, priority);
3211                                         return;
3212                                 } else
3213                                 /*
3214                                  * Attach to anything that claims to be a
3215                                  * direct access or optical disk device,
3216                                  * as long as it doesn't return a "Logical
3217                                  * unit not supported" (0x25) error.
3218                                  */
3219                                 if ((have_sense) && (asc != 0x25)
3220                                  && (error_code == SSD_CURRENT_ERROR)) {
3221                                         const char *sense_key_desc;
3222                                         const char *asc_desc;
3223
3224                                         dasetgeom(periph, 512, -1, NULL, 0);
3225                                         scsi_sense_desc(sense_key, asc, ascq,
3226                                                         &cgd.inq_data,
3227                                                         &sense_key_desc,
3228                                                         &asc_desc);
3229                                         snprintf(announce_buf,
3230                                             sizeof(announce_buf),
3231                                                 "Attempt to query device "
3232                                                 "size failed: %s, %s",
3233                                                 sense_key_desc,
3234                                                 asc_desc);
3235                                 } else {
3236                                         if (have_sense)
3237                                                 scsi_sense_print(
3238                                                         &done_ccb->csio);
3239                                         else {
3240                                                 xpt_print(periph->path,
3241                                                     "got CAM status %#x\n",
3242                                                     done_ccb->ccb_h.status);
3243                                         }
3244
3245                                         xpt_print(periph->path, "fatal error, "
3246                                             "failed to attach to device\n");
3247
3248                                         /*
3249                                          * Free up resources.
3250                                          */
3251                                         cam_periph_invalidate(periph);
3252                                 }
3253                         }
3254                 }
3255                 free(csio->data_ptr, M_SCSIDA);
3256                 if (announce_buf[0] != '\0' &&
3257                     ((softc->flags & DA_FLAG_ANNOUNCED) == 0)) {
3258                         /*
3259                          * Create our sysctl variables, now that we know
3260                          * we have successfully attached.
3261                          */
3262                         /* increase the refcount */
3263                         if (cam_periph_acquire(periph) == CAM_REQ_CMP) {
3264                                 taskqueue_enqueue(taskqueue_thread,
3265                                                   &softc->sysctl_task);
3266                                 xpt_announce_periph(periph, announce_buf);
3267                                 xpt_announce_quirks(periph, softc->quirks,
3268                                     DA_Q_BIT_STRING);
3269                         } else {
3270                                 xpt_print(periph->path, "fatal error, "
3271                                     "could not acquire reference count\n");
3272                         }
3273                 }
3274
3275                 /* We already probed the device. */
3276                 if (softc->flags & DA_FLAG_PROBED) {
3277                         daprobedone(periph, done_ccb);
3278                         return;
3279                 }
3280
3281                 /* Ensure re-probe doesn't see old delete. */
3282                 softc->delete_available = 0;
3283                 if (lbp && (softc->quirks & DA_Q_NO_UNMAP) == 0) {
3284                         /*
3285                          * Based on older SBC-3 spec revisions
3286                          * any of the UNMAP methods "may" be
3287                          * available via LBP given this flag so
3288                          * we flag all of them as availble and
3289                          * then remove those which further
3290                          * probes confirm aren't available
3291                          * later.
3292                          *
3293                          * We could also check readcap(16) p_type
3294                          * flag to exclude one or more invalid
3295                          * write same (X) types here
3296                          */
3297                         dadeleteflag(softc, DA_DELETE_WS16, 1);
3298                         dadeleteflag(softc, DA_DELETE_WS10, 1);
3299                         dadeleteflag(softc, DA_DELETE_ZERO, 1);
3300                         dadeleteflag(softc, DA_DELETE_UNMAP, 1);
3301
3302                         xpt_release_ccb(done_ccb);
3303                         softc->state = DA_STATE_PROBE_LBP;
3304                         xpt_schedule(periph, priority);
3305                         return;
3306                 }
3307
3308                 xpt_release_ccb(done_ccb);
3309                 softc->state = DA_STATE_PROBE_BDC;
3310                 xpt_schedule(periph, priority);
3311                 return;
3312         }
3313         case DA_CCB_PROBE_LBP:
3314         {
3315                 struct scsi_vpd_logical_block_prov *lbp;
3316
3317                 lbp = (struct scsi_vpd_logical_block_prov *)csio->data_ptr;
3318
3319                 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
3320                         /*
3321                          * T10/1799-D Revision 31 states at least one of these
3322                          * must be supported but we don't currently enforce this.
3323                          */
3324                         dadeleteflag(softc, DA_DELETE_WS16,
3325                                      (lbp->flags & SVPD_LBP_WS16));
3326                         dadeleteflag(softc, DA_DELETE_WS10,
3327                                      (lbp->flags & SVPD_LBP_WS10));
3328                         dadeleteflag(softc, DA_DELETE_ZERO,
3329                                      (lbp->flags & SVPD_LBP_WS10));
3330                         dadeleteflag(softc, DA_DELETE_UNMAP,
3331                                      (lbp->flags & SVPD_LBP_UNMAP));
3332                 } else {
3333                         int error;
3334                         error = daerror(done_ccb, CAM_RETRY_SELTO,
3335                                         SF_RETRY_UA|SF_NO_PRINT);
3336                         if (error == ERESTART)
3337                                 return;
3338                         else if (error != 0) {
3339                                 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
3340                                         /* Don't wedge this device's queue */
3341                                         cam_release_devq(done_ccb->ccb_h.path,
3342                                                          /*relsim_flags*/0,
3343                                                          /*reduction*/0,
3344                                                          /*timeout*/0,
3345                                                          /*getcount_only*/0);
3346                                 }
3347
3348                                 /*
3349                                  * Failure indicates we don't support any SBC-3
3350                                  * delete methods with UNMAP
3351                                  */
3352                         }
3353                 }
3354
3355                 free(lbp, M_SCSIDA);
3356                 xpt_release_ccb(done_ccb);
3357                 softc->state = DA_STATE_PROBE_BLK_LIMITS;
3358                 xpt_schedule(periph, priority);
3359                 return;
3360         }
3361         case DA_CCB_PROBE_BLK_LIMITS:
3362         {
3363                 struct scsi_vpd_block_limits *block_limits;
3364
3365                 block_limits = (struct scsi_vpd_block_limits *)csio->data_ptr;
3366
3367                 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
3368                         uint32_t max_txfer_len = scsi_4btoul(
3369                                 block_limits->max_txfer_len);
3370                         uint32_t max_unmap_lba_cnt = scsi_4btoul(
3371                                 block_limits->max_unmap_lba_cnt);
3372                         uint32_t max_unmap_blk_cnt = scsi_4btoul(
3373                                 block_limits->max_unmap_blk_cnt);
3374                         uint64_t ws_max_blks = scsi_8btou64(
3375                                 block_limits->max_write_same_length);
3376
3377                         if (max_txfer_len != 0) {
3378                                 softc->disk->d_maxsize = MIN(softc->maxio,
3379                                     (off_t)max_txfer_len * softc->params.secsize);
3380                         }
3381
3382                         /*
3383                          * We should already support UNMAP but we check lba
3384                          * and block count to be sure
3385                          */
3386                         if (max_unmap_lba_cnt != 0x00L &&
3387                             max_unmap_blk_cnt != 0x00L) {
3388                                 softc->unmap_max_lba = max_unmap_lba_cnt;
3389                                 softc->unmap_max_ranges = min(max_unmap_blk_cnt,
3390                                         UNMAP_MAX_RANGES);
3391                         } else {
3392                                 /*
3393                                  * Unexpected UNMAP limits which means the
3394                                  * device doesn't actually support UNMAP
3395                                  */
3396                                 dadeleteflag(softc, DA_DELETE_UNMAP, 0);
3397                         }
3398
3399                         if (ws_max_blks != 0x00L)
3400                                 softc->ws_max_blks = ws_max_blks;
3401                 } else {
3402                         int error;
3403                         error = daerror(done_ccb, CAM_RETRY_SELTO,
3404                                         SF_RETRY_UA|SF_NO_PRINT);
3405                         if (error == ERESTART)
3406                                 return;
3407                         else if (error != 0) {
3408                                 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
3409                                         /* Don't wedge this device's queue */
3410                                         cam_release_devq(done_ccb->ccb_h.path,
3411                                                          /*relsim_flags*/0,
3412                                                          /*reduction*/0,
3413                                                          /*timeout*/0,
3414                                                          /*getcount_only*/0);
3415                                 }
3416
3417                                 /*
3418                                  * Failure here doesn't mean UNMAP is not
3419                                  * supported as this is an optional page.
3420                                  */
3421                                 softc->unmap_max_lba = 1;
3422                                 softc->unmap_max_ranges = 1;
3423                         }
3424                 }
3425
3426                 free(block_limits, M_SCSIDA);
3427                 xpt_release_ccb(done_ccb);
3428                 softc->state = DA_STATE_PROBE_BDC;
3429                 xpt_schedule(periph, priority);
3430                 return;
3431         }
3432         case DA_CCB_PROBE_BDC:
3433         {
3434                 struct scsi_vpd_block_characteristics *bdc;
3435
3436                 bdc = (struct scsi_vpd_block_characteristics *)csio->data_ptr;
3437
3438                 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
3439                         /*
3440                          * Disable queue sorting for non-rotational media
3441                          * by default.
3442                          */
3443                         u_int old_rate = softc->disk->d_rotation_rate;
3444
3445                         softc->disk->d_rotation_rate =
3446                                 scsi_2btoul(bdc->medium_rotation_rate);
3447                         if (softc->disk->d_rotation_rate ==
3448                             SVPD_BDC_RATE_NON_ROTATING) {
3449                                 softc->sort_io_queue = 0;
3450                         }
3451                         if (softc->disk->d_rotation_rate != old_rate) {
3452                                 disk_attr_changed(softc->disk,
3453                                     "GEOM::rotation_rate", M_NOWAIT);
3454                         }
3455                 } else {
3456                         int error;
3457                         error = daerror(done_ccb, CAM_RETRY_SELTO,
3458                                         SF_RETRY_UA|SF_NO_PRINT);
3459                         if (error == ERESTART)
3460                                 return;
3461                         else if (error != 0) {
3462                                 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
3463                                         /* Don't wedge this device's queue */
3464                                         cam_release_devq(done_ccb->ccb_h.path,
3465                                                          /*relsim_flags*/0,
3466                                                          /*reduction*/0,
3467                                                          /*timeout*/0,
3468                                                          /*getcount_only*/0);
3469                                 }
3470                         }
3471                 }
3472
3473                 free(bdc, M_SCSIDA);
3474                 xpt_release_ccb(done_ccb);
3475                 softc->state = DA_STATE_PROBE_ATA;
3476                 xpt_schedule(periph, priority);
3477                 return;
3478         }
3479         case DA_CCB_PROBE_ATA:
3480         {
3481                 int i;
3482                 struct ata_params *ata_params;
3483                 int16_t *ptr;
3484
3485                 ata_params = (struct ata_params *)csio->data_ptr;
3486                 ptr = (uint16_t *)ata_params;
3487
3488                 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
3489                         uint16_t old_rate;
3490
3491                         for (i = 0; i < sizeof(*ata_params) / 2; i++)
3492                                 ptr[i] = le16toh(ptr[i]);
3493                         if (ata_params->support_dsm & ATA_SUPPORT_DSM_TRIM &&
3494                             (softc->quirks & DA_Q_NO_UNMAP) == 0) {
3495                                 dadeleteflag(softc, DA_DELETE_ATA_TRIM, 1);
3496                                 if (ata_params->max_dsm_blocks != 0)
3497                                         softc->trim_max_ranges = min(
3498                                           softc->trim_max_ranges,
3499                                           ata_params->max_dsm_blocks *
3500                                           ATA_DSM_BLK_RANGES);
3501                         }
3502                         /*
3503                          * Disable queue sorting for non-rotational media
3504                          * by default.
3505                          */
3506                         old_rate = softc->disk->d_rotation_rate;
3507                         softc->disk->d_rotation_rate =
3508                             ata_params->media_rotation_rate;
3509                         if (softc->disk->d_rotation_rate ==
3510                             ATA_RATE_NON_ROTATING) {
3511                                 softc->sort_io_queue = 0;
3512                         }
3513
3514                         if (softc->disk->d_rotation_rate != old_rate) {
3515                                 disk_attr_changed(softc->disk,
3516                                     "GEOM::rotation_rate", M_NOWAIT);
3517                         }
3518                 } else {
3519                         int error;
3520                         error = daerror(done_ccb, CAM_RETRY_SELTO,
3521                                         SF_RETRY_UA|SF_NO_PRINT);
3522                         if (error == ERESTART)
3523                                 return;
3524                         else if (error != 0) {
3525                                 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
3526                                         /* Don't wedge this device's queue */
3527                                         cam_release_devq(done_ccb->ccb_h.path,
3528                                                          /*relsim_flags*/0,
3529                                                          /*reduction*/0,
3530                                                          /*timeout*/0,
3531                                                          /*getcount_only*/0);
3532                                 }
3533                         }
3534                 }
3535
3536                 free(ata_params, M_SCSIDA);
3537                 daprobedone(periph, done_ccb);
3538                 return;
3539         }
3540         case DA_CCB_DUMP:
3541                 /* No-op.  We're polling */
3542                 return;
3543         case DA_CCB_TUR:
3544         {
3545                 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
3546
3547                         if (daerror(done_ccb, CAM_RETRY_SELTO,
3548                             SF_RETRY_UA | SF_NO_RECOVERY | SF_NO_PRINT) ==
3549                             ERESTART)
3550                                 return;
3551                         if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
3552                                 cam_release_devq(done_ccb->ccb_h.path,
3553                                                  /*relsim_flags*/0,
3554                                                  /*reduction*/0,
3555                                                  /*timeout*/0,
3556                                                  /*getcount_only*/0);
3557                 }
3558                 xpt_release_ccb(done_ccb);
3559                 cam_periph_release_locked(periph);
3560                 return;
3561         }
3562         default:
3563                 break;
3564         }
3565         xpt_release_ccb(done_ccb);
3566 }
3567
3568 static void
3569 dareprobe(struct cam_periph *periph)
3570 {
3571         struct da_softc   *softc;
3572         cam_status status;
3573
3574         softc = (struct da_softc *)periph->softc;
3575
3576         /* Probe in progress; don't interfere. */
3577         if (softc->state != DA_STATE_NORMAL)
3578                 return;
3579
3580         status = cam_periph_acquire(periph);
3581         KASSERT(status == CAM_REQ_CMP,
3582             ("dareprobe: cam_periph_acquire failed"));
3583
3584         if (softc->flags & DA_FLAG_CAN_RC16)
3585                 softc->state = DA_STATE_PROBE_RC16;
3586         else
3587                 softc->state = DA_STATE_PROBE_RC;
3588
3589         xpt_schedule(periph, CAM_PRIORITY_DEV);
3590 }
3591
3592 static int
3593 daerror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags)
3594 {
3595         struct da_softc   *softc;
3596         struct cam_periph *periph;
3597         int error, error_code, sense_key, asc, ascq;
3598
3599         periph = xpt_path_periph(ccb->ccb_h.path);
3600         softc = (struct da_softc *)periph->softc;
3601
3602         /*
3603          * Automatically detect devices that do not support
3604          * READ(6)/WRITE(6) and upgrade to using 10 byte cdbs.
3605          */
3606         error = 0;
3607         if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INVALID) {
3608                 error = cmd6workaround(ccb);
3609         } else if (scsi_extract_sense_ccb(ccb,
3610             &error_code, &sense_key, &asc, &ascq)) {
3611                 if (sense_key == SSD_KEY_ILLEGAL_REQUEST)
3612                         error = cmd6workaround(ccb);
3613                 /*
3614                  * If the target replied with CAPACITY DATA HAS CHANGED UA,
3615                  * query the capacity and notify upper layers.
3616                  */
3617                 else if (sense_key == SSD_KEY_UNIT_ATTENTION &&
3618                     asc == 0x2A && ascq == 0x09) {
3619                         xpt_print(periph->path, "Capacity data has changed\n");
3620                         softc->flags &= ~DA_FLAG_PROBED;
3621                         dareprobe(periph);
3622                         sense_flags |= SF_NO_PRINT;
3623                 } else if (sense_key == SSD_KEY_UNIT_ATTENTION &&
3624                     asc == 0x28 && ascq == 0x00) {
3625                         softc->flags &= ~DA_FLAG_PROBED;
3626                         disk_media_changed(softc->disk, M_NOWAIT);
3627                 } else if (sense_key == SSD_KEY_UNIT_ATTENTION &&
3628                     asc == 0x3F && ascq == 0x03) {
3629                         xpt_print(periph->path, "INQUIRY data has changed\n");
3630                         softc->flags &= ~DA_FLAG_PROBED;
3631                         dareprobe(periph);
3632                         sense_flags |= SF_NO_PRINT;
3633                 } else if (sense_key == SSD_KEY_NOT_READY &&
3634                     asc == 0x3a && (softc->flags & DA_FLAG_PACK_INVALID) == 0) {
3635                         softc->flags |= DA_FLAG_PACK_INVALID;
3636                         disk_media_gone(softc->disk, M_NOWAIT);
3637                 }
3638         }
3639         if (error == ERESTART)
3640                 return (ERESTART);
3641
3642         /*
3643          * XXX
3644          * Until we have a better way of doing pack validation,
3645          * don't treat UAs as errors.
3646          */
3647         sense_flags |= SF_RETRY_UA;
3648
3649         if (softc->quirks & DA_Q_RETRY_BUSY)
3650                 sense_flags |= SF_RETRY_BUSY;
3651         return(cam_periph_error(ccb, cam_flags, sense_flags,
3652                                 &softc->saved_ccb));
3653 }
3654
3655 static void
3656 damediapoll(void *arg)
3657 {
3658         struct cam_periph *periph = arg;
3659         struct da_softc *softc = periph->softc;
3660
3661         if (!softc->tur && LIST_EMPTY(&softc->pending_ccbs)) {
3662                 if (cam_periph_acquire(periph) == CAM_REQ_CMP) {
3663                         softc->tur = 1;
3664                         daschedule(periph);
3665                 }
3666         }
3667         /* Queue us up again */
3668         if (da_poll_period != 0)
3669                 callout_schedule(&softc->mediapoll_c, da_poll_period * hz);
3670 }
3671
3672 static void
3673 daprevent(struct cam_periph *periph, int action)
3674 {
3675         struct  da_softc *softc;
3676         union   ccb *ccb;
3677         int     error;
3678
3679         softc = (struct da_softc *)periph->softc;
3680
3681         if (((action == PR_ALLOW)
3682           && (softc->flags & DA_FLAG_PACK_LOCKED) == 0)
3683          || ((action == PR_PREVENT)
3684           && (softc->flags & DA_FLAG_PACK_LOCKED) != 0)) {
3685                 return;
3686         }
3687
3688         ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
3689
3690         scsi_prevent(&ccb->csio,
3691                      /*retries*/1,
3692                      /*cbcfp*/dadone,
3693                      MSG_SIMPLE_Q_TAG,
3694                      action,
3695                      SSD_FULL_SIZE,
3696                      5000);
3697
3698         error = cam_periph_runccb(ccb, daerror, CAM_RETRY_SELTO,
3699             SF_RETRY_UA | SF_NO_PRINT, softc->disk->d_devstat);
3700
3701         if (error == 0) {
3702                 if (action == PR_ALLOW)
3703                         softc->flags &= ~DA_FLAG_PACK_LOCKED;
3704                 else
3705                         softc->flags |= DA_FLAG_PACK_LOCKED;
3706         }
3707
3708         xpt_release_ccb(ccb);
3709 }
3710
3711 static void
3712 dasetgeom(struct cam_periph *periph, uint32_t block_len, uint64_t maxsector,
3713           struct scsi_read_capacity_data_long *rcaplong, size_t rcap_len)
3714 {
3715         struct ccb_calc_geometry ccg;
3716         struct da_softc *softc;
3717         struct disk_params *dp;
3718         u_int lbppbe, lalba;
3719         int error;
3720
3721         softc = (struct da_softc *)periph->softc;
3722
3723         dp = &softc->params;
3724         dp->secsize = block_len;
3725         dp->sectors = maxsector + 1;
3726         if (rcaplong != NULL) {
3727                 lbppbe = rcaplong->prot_lbppbe & SRC16_LBPPBE;
3728                 lalba = scsi_2btoul(rcaplong->lalba_lbp);
3729                 lalba &= SRC16_LALBA_A;
3730         } else {
3731                 lbppbe = 0;
3732                 lalba = 0;
3733         }
3734
3735         if (lbppbe > 0) {
3736                 dp->stripesize = block_len << lbppbe;
3737                 dp->stripeoffset = (dp->stripesize - block_len * lalba) %
3738                     dp->stripesize;
3739         } else if (softc->quirks & DA_Q_4K) {
3740                 dp->stripesize = 4096;
3741                 dp->stripeoffset = 0;
3742         } else {
3743                 dp->stripesize = 0;
3744                 dp->stripeoffset = 0;
3745         }
3746         /*
3747          * Have the controller provide us with a geometry
3748          * for this disk.  The only time the geometry
3749          * matters is when we boot and the controller
3750          * is the only one knowledgeable enough to come
3751          * up with something that will make this a bootable
3752          * device.
3753          */
3754         xpt_setup_ccb(&ccg.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
3755         ccg.ccb_h.func_code = XPT_CALC_GEOMETRY;
3756         ccg.block_size = dp->secsize;
3757         ccg.volume_size = dp->sectors;
3758         ccg.heads = 0;
3759         ccg.secs_per_track = 0;
3760         ccg.cylinders = 0;
3761         xpt_action((union ccb*)&ccg);
3762         if ((ccg.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
3763                 /*
3764                  * We don't know what went wrong here- but just pick
3765                  * a geometry so we don't have nasty things like divide
3766                  * by zero.
3767                  */
3768                 dp->heads = 255;
3769                 dp->secs_per_track = 255;
3770                 dp->cylinders = dp->sectors / (255 * 255);
3771                 if (dp->cylinders == 0) {
3772                         dp->cylinders = 1;
3773                 }
3774         } else {
3775                 dp->heads = ccg.heads;
3776                 dp->secs_per_track = ccg.secs_per_track;
3777                 dp->cylinders = ccg.cylinders;
3778         }
3779
3780         /*
3781          * If the user supplied a read capacity buffer, and if it is
3782          * different than the previous buffer, update the data in the EDT.
3783          * If it's the same, we don't bother.  This avoids sending an
3784          * update every time someone opens this device.
3785          */
3786         if ((rcaplong != NULL)
3787          && (bcmp(rcaplong, &softc->rcaplong,
3788                   min(sizeof(softc->rcaplong), rcap_len)) != 0)) {
3789                 struct ccb_dev_advinfo cdai;
3790
3791                 xpt_setup_ccb(&cdai.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
3792                 cdai.ccb_h.func_code = XPT_DEV_ADVINFO;
3793                 cdai.buftype = CDAI_TYPE_RCAPLONG;
3794                 cdai.flags = CDAI_FLAG_STORE;
3795                 cdai.bufsiz = rcap_len;
3796                 cdai.buf = (uint8_t *)rcaplong;
3797                 xpt_action((union ccb *)&cdai);
3798                 if ((cdai.ccb_h.status & CAM_DEV_QFRZN) != 0)
3799                         cam_release_devq(cdai.ccb_h.path, 0, 0, 0, FALSE);
3800                 if (cdai.ccb_h.status != CAM_REQ_CMP) {
3801                         xpt_print(periph->path, "%s: failed to set read "
3802                                   "capacity advinfo\n", __func__);
3803                         /* Use cam_error_print() to decode the status */
3804                         cam_error_print((union ccb *)&cdai, CAM_ESF_CAM_STATUS,
3805                                         CAM_EPF_ALL);
3806                 } else {
3807                         bcopy(rcaplong, &softc->rcaplong,
3808                               min(sizeof(softc->rcaplong), rcap_len));
3809                 }
3810         }
3811
3812         softc->disk->d_sectorsize = softc->params.secsize;
3813         softc->disk->d_mediasize = softc->params.secsize * (off_t)softc->params.sectors;
3814         softc->disk->d_stripesize = softc->params.stripesize;
3815         softc->disk->d_stripeoffset = softc->params.stripeoffset;
3816         /* XXX: these are not actually "firmware" values, so they may be wrong */
3817         softc->disk->d_fwsectors = softc->params.secs_per_track;
3818         softc->disk->d_fwheads = softc->params.heads;
3819         softc->disk->d_devstat->block_size = softc->params.secsize;
3820         softc->disk->d_devstat->flags &= ~DEVSTAT_BS_UNAVAILABLE;
3821
3822         error = disk_resize(softc->disk, M_NOWAIT);
3823         if (error != 0)
3824                 xpt_print(periph->path, "disk_resize(9) failed, error = %d\n", error);
3825 }
3826
3827 static void
3828 dasendorderedtag(void *arg)
3829 {
3830         struct da_softc *softc = arg;
3831
3832         if (da_send_ordered) {
3833                 if (!LIST_EMPTY(&softc->pending_ccbs)) {
3834                         if ((softc->flags & DA_FLAG_WAS_OTAG) == 0)
3835                                 softc->flags |= DA_FLAG_NEED_OTAG;
3836                         softc->flags &= ~DA_FLAG_WAS_OTAG;
3837                 }
3838         }
3839         /* Queue us up again */
3840         callout_reset(&softc->sendordered_c,
3841             (da_default_timeout * hz) / DA_ORDEREDTAG_INTERVAL,
3842             dasendorderedtag, softc);
3843 }
3844
3845 /*
3846  * Step through all DA peripheral drivers, and if the device is still open,
3847  * sync the disk cache to physical media.
3848  */
3849 static void
3850 dashutdown(void * arg, int howto)
3851 {
3852         struct cam_periph *periph;
3853         struct da_softc *softc;
3854         union ccb *ccb;
3855         int error;
3856
3857         CAM_PERIPH_FOREACH(periph, &dadriver) {
3858                 softc = (struct da_softc *)periph->softc;
3859                 if (SCHEDULER_STOPPED()) {
3860                         /* If we paniced with the lock held, do not recurse. */
3861                         if (!cam_periph_owned(periph) &&
3862                             (softc->flags & DA_FLAG_OPEN)) {
3863                                 dadump(softc->disk, NULL, 0, 0, 0);
3864                         }
3865                         continue;
3866                 }
3867                 cam_periph_lock(periph);
3868
3869                 /*
3870                  * We only sync the cache if the drive is still open, and
3871                  * if the drive is capable of it..
3872                  */
3873                 if (((softc->flags & DA_FLAG_OPEN) == 0)
3874                  || (softc->quirks & DA_Q_NO_SYNC_CACHE)) {
3875                         cam_periph_unlock(periph);
3876                         continue;
3877                 }
3878
3879                 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
3880                 scsi_synchronize_cache(&ccb->csio,
3881                                        /*retries*/0,
3882                                        /*cbfcnp*/dadone,
3883                                        MSG_SIMPLE_Q_TAG,
3884                                        /*begin_lba*/0, /* whole disk */
3885                                        /*lb_count*/0,
3886                                        SSD_FULL_SIZE,
3887                                        60 * 60 * 1000);
3888
3889                 error = cam_periph_runccb(ccb, daerror, /*cam_flags*/0,
3890                     /*sense_flags*/ SF_NO_RECOVERY | SF_NO_RETRY | SF_QUIET_IR,
3891                     softc->disk->d_devstat);
3892                 if (error != 0)
3893                         xpt_print(periph->path, "Synchronize cache failed\n");
3894                 xpt_release_ccb(ccb);
3895                 cam_periph_unlock(periph);
3896         }
3897 }
3898
3899 #else /* !_KERNEL */
3900
3901 /*
3902  * XXX These are only left out of the kernel build to silence warnings.  If,
3903  * for some reason these functions are used in the kernel, the ifdefs should
3904  * be moved so they are included both in the kernel and userland.
3905  */
3906 void
3907 scsi_format_unit(struct ccb_scsiio *csio, u_int32_t retries,
3908                  void (*cbfcnp)(struct cam_periph *, union ccb *),
3909                  u_int8_t tag_action, u_int8_t byte2, u_int16_t ileave,
3910                  u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len,
3911                  u_int32_t timeout)
3912 {
3913         struct scsi_format_unit *scsi_cmd;
3914
3915         scsi_cmd = (struct scsi_format_unit *)&csio->cdb_io.cdb_bytes;
3916         scsi_cmd->opcode = FORMAT_UNIT;
3917         scsi_cmd->byte2 = byte2;
3918         scsi_ulto2b(ileave, scsi_cmd->interleave);
3919
3920         cam_fill_csio(csio,
3921                       retries,
3922                       cbfcnp,
3923                       /*flags*/ (dxfer_len > 0) ? CAM_DIR_OUT : CAM_DIR_NONE,
3924                       tag_action,
3925                       data_ptr,
3926                       dxfer_len,
3927                       sense_len,
3928                       sizeof(*scsi_cmd),
3929                       timeout);
3930 }
3931
3932 void
3933 scsi_read_defects(struct ccb_scsiio *csio, uint32_t retries,
3934                   void (*cbfcnp)(struct cam_periph *, union ccb *),
3935                   uint8_t tag_action, uint8_t list_format,
3936                   uint32_t addr_desc_index, uint8_t *data_ptr,
3937                   uint32_t dxfer_len, int minimum_cmd_size,
3938                   uint8_t sense_len, uint32_t timeout)
3939 {
3940         uint8_t cdb_len;
3941
3942         /*
3943          * These conditions allow using the 10 byte command.  Otherwise we
3944          * need to use the 12 byte command.
3945          */
3946         if ((minimum_cmd_size <= 10)
3947          && (addr_desc_index == 0)
3948          && (dxfer_len <= SRDD10_MAX_LENGTH)) {
3949                 struct scsi_read_defect_data_10 *cdb10;
3950
3951                 cdb10 = (struct scsi_read_defect_data_10 *)
3952                         &csio->cdb_io.cdb_bytes;
3953
3954                 cdb_len = sizeof(*cdb10);
3955                 bzero(cdb10, cdb_len);
3956                 cdb10->opcode = READ_DEFECT_DATA_10;
3957                 cdb10->format = list_format;
3958                 scsi_ulto2b(dxfer_len, cdb10->alloc_length);
3959         } else {
3960                 struct scsi_read_defect_data_12 *cdb12;
3961
3962                 cdb12 = (struct scsi_read_defect_data_12 *)
3963                         &csio->cdb_io.cdb_bytes;
3964
3965                 cdb_len = sizeof(*cdb12);
3966                 bzero(cdb12, cdb_len);
3967                 cdb12->opcode = READ_DEFECT_DATA_12;
3968                 cdb12->format = list_format;
3969                 scsi_ulto4b(dxfer_len, cdb12->alloc_length);
3970                 scsi_ulto4b(addr_desc_index, cdb12->address_descriptor_index);
3971         }
3972
3973         cam_fill_csio(csio,
3974                       retries,
3975                       cbfcnp,
3976                       /*flags*/ CAM_DIR_IN,
3977                       tag_action,
3978                       data_ptr,
3979                       dxfer_len,
3980                       sense_len,
3981                       cdb_len,
3982                       timeout);
3983 }
3984
3985 void
3986 scsi_sanitize(struct ccb_scsiio *csio, u_int32_t retries,
3987               void (*cbfcnp)(struct cam_periph *, union ccb *),
3988               u_int8_t tag_action, u_int8_t byte2, u_int16_t control,
3989               u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len,
3990               u_int32_t timeout)
3991 {
3992         struct scsi_sanitize *scsi_cmd;
3993
3994         scsi_cmd = (struct scsi_sanitize *)&csio->cdb_io.cdb_bytes;
3995         scsi_cmd->opcode = SANITIZE;
3996         scsi_cmd->byte2 = byte2;
3997         scsi_cmd->control = control;
3998         scsi_ulto2b(dxfer_len, scsi_cmd->length);
3999
4000         cam_fill_csio(csio,
4001                       retries,
4002                       cbfcnp,
4003                       /*flags*/ (dxfer_len > 0) ? CAM_DIR_OUT : CAM_DIR_NONE,
4004                       tag_action,
4005                       data_ptr,
4006                       dxfer_len,
4007                       sense_len,
4008                       sizeof(*scsi_cmd),
4009                       timeout);
4010 }
4011
4012 #endif /* _KERNEL */