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_pref;
 223         da_delete_methods       delete_method;
 224         da_delete_func_t        *delete_func;
 225         struct   disk_params params;
 226         struct   disk *disk;
 227         union    ccb saved_ccb;
 228         struct task             sysctl_task;
 229         struct sysctl_ctx_list  sysctl_ctx;
 230         struct sysctl_oid       *sysctl_tree;
 231         struct callout          sendordered_c;
 232         uint64_t wwpn;
 233         uint8_t  unmap_buf[UNMAP_BUF_SIZE];
 234         struct scsi_read_capacity_data_long rcaplong;
 235         struct callout          mediapoll_c;
 236 };
 237
 238 #define dadeleteflag(softc, delete_method, enable)                      \
 239         if (enable) {                                                   \
 240                 softc->delete_available |= (1 << delete_method);        \
 241         } else {                                                        \
 242                 softc->delete_available &= ~(1 << delete_method);       \
 243         }
 244
 245 struct da_quirk_entry {
 246         struct scsi_inquiry_pattern inq_pat;
 247         da_quirks quirks;
 248 };
 249
 250 static const char quantum[] = "QUANTUM";
 251 static const char microp[] = "MICROP";
 252
 253 static struct da_quirk_entry da_quirk_table[] =
 254 {
 255         /* SPI, FC devices */
 256         {
 257                 /*
 258                  * Fujitsu M2513A MO drives.
 259                  * Tested devices: M2513A2 firmware versions 1200 & 1300.
 260                  * (dip switch selects whether T_DIRECT or T_OPTICAL device)
 261                  * Reported by: W.Scholten <whs@xs4all.nl>
 262                  */
 263                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "FUJITSU", "M2513A", "*"},
 264                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 265         },
 266         {
 267                 /* See above. */
 268                 {T_OPTICAL, SIP_MEDIA_REMOVABLE, "FUJITSU", "M2513A", "*"},
 269                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 270         },
 271         {
 272                 /*
 273                  * This particular Fujitsu drive doesn't like the
 274                  * synchronize cache command.
 275                  * Reported by: Tom Jackson <toj@gorilla.net>
 276                  */
 277                 {T_DIRECT, SIP_MEDIA_FIXED, "FUJITSU", "M2954*", "*"},
 278                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 279         },
 280         {
 281                 /*
 282                  * This drive doesn't like the synchronize cache command
 283                  * either.  Reported by: Matthew Jacob <mjacob@feral.com>
 284                  * in NetBSD PR kern/6027, August 24, 1998.
 285                  */
 286                 {T_DIRECT, SIP_MEDIA_FIXED, microp, "2217*", "*"},
 287                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 288         },
 289         {
 290                 /*
 291                  * This drive doesn't like the synchronize cache command
 292                  * either.  Reported by: Hellmuth Michaelis (hm@kts.org)
 293                  * (PR 8882).
 294                  */
 295                 {T_DIRECT, SIP_MEDIA_FIXED, microp, "2112*", "*"},
 296                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 297         },
 298         {
 299                 /*
 300                  * Doesn't like the synchronize cache command.
 301                  * Reported by: Blaz Zupan <blaz@gold.amis.net>
 302                  */
 303                 {T_DIRECT, SIP_MEDIA_FIXED, "NEC", "D3847*", "*"},
 304                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 305         },
 306         {
 307                 /*
 308                  * Doesn't like the synchronize cache command.
 309                  * Reported by: Blaz Zupan <blaz@gold.amis.net>
 310                  */
 311                 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "MAVERICK 540S", "*"},
 312                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 313         },
 314         {
 315                 /*
 316                  * Doesn't like the synchronize cache command.
 317                  */
 318                 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "LPS525S", "*"},
 319                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 320         },
 321         {
 322                 /*
 323                  * Doesn't like the synchronize cache command.
 324                  * Reported by: walter@pelissero.de
 325                  */
 326                 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "LPS540S", "*"},
 327                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 328         },
 329         {
 330                 /*
 331                  * Doesn't work correctly with 6 byte reads/writes.
 332                  * Returns illegal request, and points to byte 9 of the
 333                  * 6-byte CDB.
 334                  * Reported by:  Adam McDougall <bsdx@spawnet.com>
 335                  */
 336                 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "VIKING 4*", "*"},
 337                 /*quirks*/ DA_Q_NO_6_BYTE
 338         },
 339         {
 340                 /* See above. */
 341                 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "VIKING 2*", "*"},
 342                 /*quirks*/ DA_Q_NO_6_BYTE
 343         },
 344         {
 345                 /*
 346                  * Doesn't like the synchronize cache command.
 347                  * Reported by: walter@pelissero.de
 348                  */
 349                 {T_DIRECT, SIP_MEDIA_FIXED, "CONNER", "CP3500*", "*"},
 350                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 351         },
 352         {
 353                 /*
 354                  * The CISS RAID controllers do not support SYNC_CACHE
 355                  */
 356                 {T_DIRECT, SIP_MEDIA_FIXED, "COMPAQ", "RAID*", "*"},
 357                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 358         },
 359         {
 360                 /*
 361                  * The STEC SSDs sometimes hang on UNMAP.
 362                  */
 363                 {T_DIRECT, SIP_MEDIA_FIXED, "STEC", "*", "*"},
 364                 /*quirks*/ DA_Q_NO_UNMAP
 365         },
 366         {
 367                 /*
 368                  * VMware returns BUSY status when storage has transient
 369                  * connectivity problems, so better wait.
 370                  */
 371                 {T_DIRECT, SIP_MEDIA_FIXED, "VMware*", "*", "*"},
 372                 /*quirks*/ DA_Q_RETRY_BUSY
 373         },
 374         /* USB mass storage devices supported by umass(4) */
 375         {
 376                 /*
 377                  * EXATELECOM (Sigmatel) i-Bead 100/105 USB Flash MP3 Player
 378                  * PR: kern/51675
 379                  */
 380                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "EXATEL", "i-BEAD10*", "*"},
 381                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 382         },
 383         {
 384                 /*
 385                  * Power Quotient Int. (PQI) USB flash key
 386                  * PR: kern/53067
 387                  */
 388                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "USB Flash Disk*",
 389                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 390         },
 391         {
 392                 /*
 393                  * Creative Nomad MUVO mp3 player (USB)
 394                  * PR: kern/53094
 395                  */
 396                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "CREATIVE", "NOMAD_MUVO", "*"},
 397                 /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT
 398         },
 399         {
 400                 /*
 401                  * Jungsoft NEXDISK USB flash key
 402                  * PR: kern/54737
 403                  */
 404                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "JUNGSOFT", "NEXDISK*", "*"},
 405                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 406         },
 407         {
 408                 /*
 409                  * FreeDik USB Mini Data Drive
 410                  * PR: kern/54786
 411                  */
 412                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "FreeDik*", "Mini Data Drive",
 413                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 414         },
 415         {
 416                 /*
 417                  * Sigmatel USB Flash MP3 Player
 418                  * PR: kern/57046
 419                  */
 420                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "SigmaTel", "MSCN", "*"},
 421                 /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT
 422         },
 423         {
 424                 /*
 425                  * Neuros USB Digital Audio Computer
 426                  * PR: kern/63645
 427                  */
 428                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "NEUROS", "dig. audio comp.",
 429                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 430         },
 431         {
 432                 /*
 433                  * SEAGRAND NP-900 MP3 Player
 434                  * PR: kern/64563
 435                  */
 436                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "SEAGRAND", "NP-900*", "*"},
 437                 /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT
 438         },
 439         {
 440                 /*
 441                  * iRiver iFP MP3 player (with UMS Firmware)
 442                  * PR: kern/54881, i386/63941, kern/66124
 443                  */
 444                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "iRiver", "iFP*", "*"},
 445                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 446         },
 447         {
 448                 /*
 449                  * Frontier Labs NEX IA+ Digital Audio Player, rev 1.10/0.01
 450                  * PR: kern/70158
 451                  */
 452                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "FL" , "Nex*", "*"},
 453                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 454         },
 455         {
 456                 /*
 457                  * ZICPlay USB MP3 Player with FM
 458                  * PR: kern/75057
 459                  */
 460                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "ACTIONS*" , "USB DISK*", "*"},
 461                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 462         },
 463         {
 464                 /*
 465                  * TEAC USB floppy mechanisms
 466                  */
 467                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "TEAC" , "FD-05*", "*"},
 468                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 469         },
 470         {
 471                 /*
 472                  * Kingston DataTraveler II+ USB Pen-Drive.
 473                  * Reported by: Pawel Jakub Dawidek <pjd@FreeBSD.org>
 474                  */
 475                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Kingston" , "DataTraveler II+",
 476                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 477         },
 478         {
 479                 /*
 480                  * USB DISK Pro PMAP
 481                  * Reported by: jhs
 482                  * PR: usb/96381
 483                  */
 484                 {T_DIRECT, SIP_MEDIA_REMOVABLE, " ", "USB DISK Pro", "PMAP"},
 485                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 486         },
 487         {
 488                 /*
 489                  * Motorola E398 Mobile Phone (TransFlash memory card).
 490                  * Reported by: Wojciech A. Koszek <dunstan@FreeBSD.czest.pl>
 491                  * PR: usb/89889
 492                  */
 493                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Motorola" , "Motorola Phone",
 494                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 495         },
 496         {
 497                 /*
 498                  * Qware BeatZkey! Pro
 499                  * PR: usb/79164
 500                  */
 501                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "GENERIC", "USB DISK DEVICE",
 502                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 503         },
 504         {
 505                 /*
 506                  * Time DPA20B 1GB MP3 Player
 507                  * PR: usb/81846
 508                  */
 509                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "USB2.0*", "(FS) FLASH DISK*",
 510                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 511         },
 512         {
 513                 /*
 514                  * Samsung USB key 128Mb
 515                  * PR: usb/90081
 516                  */
 517                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "USB-DISK", "FreeDik-FlashUsb",
 518                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 519         },
 520         {
 521                 /*
 522                  * Kingston DataTraveler 2.0 USB Flash memory.
 523                  * PR: usb/89196
 524                  */
 525                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Kingston", "DataTraveler 2.0",
 526                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 527         },
 528         {
 529                 /*
 530                  * Creative MUVO Slim mp3 player (USB)
 531                  * PR: usb/86131
 532                  */
 533                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "CREATIVE", "MuVo Slim",
 534                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT
 535                 },
 536         {
 537                 /*
 538                  * United MP5512 Portable MP3 Player (2-in-1 USB DISK/MP3)
 539                  * PR: usb/80487
 540                  */
 541                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "MUSIC DISK",
 542                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 543         },
 544         {
 545                 /*
 546                  * SanDisk Micro Cruzer 128MB
 547                  * PR: usb/75970
 548                  */
 549                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "SanDisk" , "Micro Cruzer",
 550                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 551         },
 552         {
 553                 /*
 554                  * TOSHIBA TransMemory USB sticks
 555                  * PR: kern/94660
 556                  */
 557                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "TOSHIBA", "TransMemory",
 558                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 559         },
 560         {
 561                 /*
 562                  * PNY USB 3.0 Flash Drives
 563                 */
 564                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "PNY", "USB 3.0 FD*",
 565                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE | DA_Q_NO_RC16
 566         },
 567         {
 568                 /*
 569                  * PNY USB Flash keys
 570                  * PR: usb/75578, usb/72344, usb/65436
 571                  */
 572                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "*" , "USB DISK*",
 573                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 574         },
 575         {
 576                 /*
 577                  * Genesys 6-in-1 Card Reader
 578                  * PR: usb/94647
 579                  */
 580                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "STORAGE DEVICE*",
 581                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 582         },
 583         {
 584                 /*
 585                  * Rekam Digital CAMERA
 586                  * PR: usb/98713
 587                  */
 588                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "CAMERA*", "4MP-9J6*",
 589                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 590         },
 591         {
 592                 /*
 593                  * iRiver H10 MP3 player
 594                  * PR: usb/102547
 595                  */
 596                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "iriver", "H10*",
 597                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 598         },
 599         {
 600                 /*
 601                  * iRiver U10 MP3 player
 602                  * PR: usb/92306
 603                  */
 604                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "iriver", "U10*",
 605                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 606         },
 607         {
 608                 /*
 609                  * X-Micro Flash Disk
 610                  * PR: usb/96901
 611                  */
 612                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "X-Micro", "Flash Disk",
 613                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 614         },
 615         {
 616                 /*
 617                  * EasyMP3 EM732X USB 2.0 Flash MP3 Player
 618                  * PR: usb/96546
 619                  */
 620                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "EM732X", "MP3 Player*",
 621                 "1.00"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 622         },
 623         {
 624                 /*
 625                  * Denver MP3 player
 626                  * PR: usb/107101
 627                  */
 628                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "DENVER", "MP3 PLAYER",
 629                  "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 630         },
 631         {
 632                 /*
 633                  * Philips USB Key Audio KEY013
 634                  * PR: usb/68412
 635                  */
 636                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "PHILIPS", "Key*", "*"},
 637                 /*quirks*/ DA_Q_NO_SYNC_CACHE | DA_Q_NO_PREVENT
 638         },
 639         {
 640                 /*
 641                  * JNC MP3 Player
 642                  * PR: usb/94439
 643                  */
 644                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "JNC*" , "MP3 Player*",
 645                  "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 646         },
 647         {
 648                 /*
 649                  * SAMSUNG MP0402H
 650                  * PR: usb/108427
 651                  */
 652                 {T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "MP0402H", "*"},
 653                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 654         },
 655         {
 656                 /*
 657                  * I/O Magic USB flash - Giga Bank
 658                  * PR: usb/108810
 659                  */
 660                 {T_DIRECT, SIP_MEDIA_FIXED, "GS-Magic", "stor*", "*"},
 661                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 662         },
 663         {
 664                 /*
 665                  * JoyFly 128mb USB Flash Drive
 666                  * PR: 96133
 667                  */
 668                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "USB 2.0", "Flash Disk*",
 669                  "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 670         },
 671         {
 672                 /*
 673                  * ChipsBnk usb stick
 674                  * PR: 103702
 675                  */
 676                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "ChipsBnk", "USB*",
 677                  "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 678         },
 679         {
 680                 /*
 681                  * Storcase (Kingston) InfoStation IFS FC2/SATA-R 201A
 682                  * PR: 129858
 683                  */
 684                 {T_DIRECT, SIP_MEDIA_FIXED, "IFS", "FC2/SATA-R*",
 685                  "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 686         },
 687         {
 688                 /*
 689                  * Samsung YP-U3 mp3-player
 690                  * PR: 125398
 691                  */
 692                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Samsung", "YP-U3",
 693                  "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 694         },
 695         {
 696                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Netac", "OnlyDisk*",
 697                  "2000"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 698         },
 699         {
 700                 /*
 701                  * Sony Cyber-Shot DSC cameras
 702                  * PR: usb/137035
 703                  */
 704                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Sony", "Sony DSC", "*"},
 705                 /*quirks*/ DA_Q_NO_SYNC_CACHE | DA_Q_NO_PREVENT
 706         },
 707         {
 708                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Kingston", "DataTraveler G3",
 709                  "1.00"}, /*quirks*/ DA_Q_NO_PREVENT
 710         },
 711         {
 712                 /* At least several Transcent USB sticks lie on RC16. */
 713                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "JetFlash", "Transcend*",
 714                  "*"}, /*quirks*/ DA_Q_NO_RC16
 715         },
 716         /* ATA/SATA devices over SAS/USB/... */
 717         {
 718                 /* Hitachi Advanced Format (4k) drives */
 719                 { T_DIRECT, SIP_MEDIA_FIXED, "Hitachi", "H??????????E3*", "*" },
 720                 /*quirks*/DA_Q_4K
 721         },
 722         {
 723                 /* Samsung Advanced Format (4k) drives */
 724                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SAMSUNG HD155UI*", "*" },
 725                 /*quirks*/DA_Q_4K
 726         },
 727         {
 728                 /* Samsung Advanced Format (4k) drives */
 729                 { T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "HD155UI*", "*" },
 730                 /*quirks*/DA_Q_4K
 731         },
 732         {
 733                 /* Samsung Advanced Format (4k) drives */
 734                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SAMSUNG HD204UI*", "*" },
 735                 /*quirks*/DA_Q_4K
 736         },
 737         {
 738                 /* Samsung Advanced Format (4k) drives */
 739                 { T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "HD204UI*", "*" },
 740                 /*quirks*/DA_Q_4K
 741         },
 742         {
 743                 /* Seagate Barracuda Green Advanced Format (4k) drives */
 744                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST????DL*", "*" },
 745                 /*quirks*/DA_Q_4K
 746         },
 747         {
 748                 /* Seagate Barracuda Green Advanced Format (4k) drives */
 749                 { T_DIRECT, SIP_MEDIA_FIXED, "ST????DL", "*", "*" },
 750                 /*quirks*/DA_Q_4K
 751         },
 752         {
 753                 /* Seagate Barracuda Green Advanced Format (4k) drives */
 754                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST???DM*", "*" },
 755                 /*quirks*/DA_Q_4K
 756         },
 757         {
 758                 /* Seagate Barracuda Green Advanced Format (4k) drives */
 759                 { T_DIRECT, SIP_MEDIA_FIXED, "ST???DM*", "*", "*" },
 760                 /*quirks*/DA_Q_4K
 761         },
 762         {
 763                 /* Seagate Barracuda Green Advanced Format (4k) drives */
 764                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST????DM*", "*" },
 765                 /*quirks*/DA_Q_4K
 766         },
 767         {
 768                 /* Seagate Barracuda Green Advanced Format (4k) drives */
 769                 { T_DIRECT, SIP_MEDIA_FIXED, "ST????DM", "*", "*" },
 770                 /*quirks*/DA_Q_4K
 771         },
 772         {
 773                 /* Seagate Momentus Advanced Format (4k) drives */
 774                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9500423AS*", "*" },
 775                 /*quirks*/DA_Q_4K
 776         },
 777         {
 778                 /* Seagate Momentus Advanced Format (4k) drives */
 779                 { T_DIRECT, SIP_MEDIA_FIXED, "ST950042", "3AS*", "*" },
 780                 /*quirks*/DA_Q_4K
 781         },
 782         {
 783                 /* Seagate Momentus Advanced Format (4k) drives */
 784                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9500424AS*", "*" },
 785                 /*quirks*/DA_Q_4K
 786         },
 787         {
 788                 /* Seagate Momentus Advanced Format (4k) drives */
 789                 { T_DIRECT, SIP_MEDIA_FIXED, "ST950042", "4AS*", "*" },
 790                 /*quirks*/DA_Q_4K
 791         },
 792         {
 793                 /* Seagate Momentus Advanced Format (4k) drives */
 794                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9640423AS*", "*" },
 795                 /*quirks*/DA_Q_4K
 796         },
 797         {
 798                 /* Seagate Momentus Advanced Format (4k) drives */
 799                 { T_DIRECT, SIP_MEDIA_FIXED, "ST964042", "3AS*", "*" },
 800                 /*quirks*/DA_Q_4K
 801         },
 802         {
 803                 /* Seagate Momentus Advanced Format (4k) drives */
 804                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9640424AS*", "*" },
 805                 /*quirks*/DA_Q_4K
 806         },
 807         {
 808                 /* Seagate Momentus Advanced Format (4k) drives */
 809                 { T_DIRECT, SIP_MEDIA_FIXED, "ST964042", "4AS*", "*" },
 810                 /*quirks*/DA_Q_4K
 811         },
 812         {
 813                 /* Seagate Momentus Advanced Format (4k) drives */
 814                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9750420AS*", "*" },
 815                 /*quirks*/DA_Q_4K
 816         },
 817         {
 818                 /* Seagate Momentus Advanced Format (4k) drives */
 819                 { T_DIRECT, SIP_MEDIA_FIXED, "ST975042", "0AS*", "*" },
 820                 /*quirks*/DA_Q_4K
 821         },
 822         {
 823                 /* Seagate Momentus Advanced Format (4k) drives */
 824                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9750422AS*", "*" },
 825                 /*quirks*/DA_Q_4K
 826         },
 827         {
 828                 /* Seagate Momentus Advanced Format (4k) drives */
 829                 { T_DIRECT, SIP_MEDIA_FIXED, "ST975042", "2AS*", "*" },
 830                 /*quirks*/DA_Q_4K
 831         },
 832         {
 833                 /* Seagate Momentus Advanced Format (4k) drives */
 834                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9750423AS*", "*" },
 835                 /*quirks*/DA_Q_4K
 836         },
 837         {
 838                 /* Seagate Momentus Advanced Format (4k) drives */
 839                 { T_DIRECT, SIP_MEDIA_FIXED, "ST975042", "3AS*", "*" },
 840                 /*quirks*/DA_Q_4K
 841         },
 842         {
 843                 /* Seagate Momentus Thin Advanced Format (4k) drives */
 844                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST???LT*", "*" },
 845                 /*quirks*/DA_Q_4K
 846         },
 847         {
 848                 /* Seagate Momentus Thin Advanced Format (4k) drives */
 849                 { T_DIRECT, SIP_MEDIA_FIXED, "ST???LT*", "*", "*" },
 850                 /*quirks*/DA_Q_4K
 851         },
 852         {
 853                 /* WDC Caviar Green Advanced Format (4k) drives */
 854                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD????RS*", "*" },
 855                 /*quirks*/DA_Q_4K
 856         },
 857         {
 858                 /* WDC Caviar Green Advanced Format (4k) drives */
 859                 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "??RS*", "*" },
 860                 /*quirks*/DA_Q_4K
 861         },
 862         {
 863                 /* WDC Caviar Green Advanced Format (4k) drives */
 864                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD????RX*", "*" },
 865                 /*quirks*/DA_Q_4K
 866         },
 867         {
 868                 /* WDC Caviar Green Advanced Format (4k) drives */
 869                 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "??RX*", "*" },
 870                 /*quirks*/DA_Q_4K
 871         },
 872         {
 873                 /* WDC Caviar Green Advanced Format (4k) drives */
 874                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD??????RS*", "*" },
 875                 /*quirks*/DA_Q_4K
 876         },
 877         {
 878                 /* WDC Caviar Green Advanced Format (4k) drives */
 879                 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "????RS*", "*" },
 880                 /*quirks*/DA_Q_4K
 881         },
 882         {
 883                 /* WDC Caviar Green Advanced Format (4k) drives */
 884                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD??????RX*", "*" },
 885                 /*quirks*/DA_Q_4K
 886         },
 887         {
 888                 /* WDC Caviar Green Advanced Format (4k) drives */
 889                 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "????RX*", "*" },
 890                 /*quirks*/DA_Q_4K
 891         },
 892         {
 893                 /* WDC Scorpio Black Advanced Format (4k) drives */
 894                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD???PKT*", "*" },
 895                 /*quirks*/DA_Q_4K
 896         },
 897         {
 898                 /* WDC Scorpio Black Advanced Format (4k) drives */
 899                 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "?PKT*", "*" },
 900                 /*quirks*/DA_Q_4K
 901         },
 902         {
 903                 /* WDC Scorpio Black Advanced Format (4k) drives */
 904                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD?????PKT*", "*" },
 905                 /*quirks*/DA_Q_4K
 906         },
 907         {
 908                 /* WDC Scorpio Black Advanced Format (4k) drives */
 909                 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "???PKT*", "*" },
 910                 /*quirks*/DA_Q_4K
 911         },
 912         {
 913                 /* WDC Scorpio Blue Advanced Format (4k) drives */
 914                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD???PVT*", "*" },
 915                 /*quirks*/DA_Q_4K
 916         },
 917         {
 918                 /* WDC Scorpio Blue Advanced Format (4k) drives */
 919                 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "?PVT*", "*" },
 920                 /*quirks*/DA_Q_4K
 921         },
 922         {
 923                 /* WDC Scorpio Blue Advanced Format (4k) drives */
 924                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD?????PVT*", "*" },
 925                 /*quirks*/DA_Q_4K
 926         },
 927         {
 928                 /* WDC Scorpio Blue Advanced Format (4k) drives */
 929                 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "???PVT*", "*" },
 930                 /*quirks*/DA_Q_4K
 931         },
 932         {
 933                 /*
 934                  * Olympus FE-210 camera
 935                  */
 936                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "OLYMPUS", "FE210*",
 937                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 938         },
 939         {
 940                 /*
 941                  * LG UP3S MP3 player
 942                  */
 943                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "LG", "UP3S",
 944                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 945         },
 946         {
 947                 /*
 948                  * Laser MP3-2GA13 MP3 player
 949                  */
 950                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "USB 2.0", "(HS) Flash Disk",
 951                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 952         },
 953         {
 954                 /*
 955                  * LaCie external 250GB Hard drive des by Porsche
 956                  * Submitted by: Ben Stuyts <ben@altesco.nl>
 957                  * PR: 121474
 958                  */
 959                 {T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "HM250JI", "*"},
 960                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 961         },
 962         /* SATA SSDs */
 963         {
 964                 /*
 965                  * Corsair Force 2 SSDs
 966                  * 4k optimised & trim only works in 4k requests + 4k aligned
 967                  */
 968                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Corsair CSSD-F*", "*" },
 969                 /*quirks*/DA_Q_4K
 970         },
 971         {
 972                 /*
 973                  * Corsair Force 3 SSDs
 974                  * 4k optimised & trim only works in 4k requests + 4k aligned
 975                  */
 976                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Corsair Force 3*", "*" },
 977                 /*quirks*/DA_Q_4K
 978         },
 979         {
 980                 /*
 981                  * Corsair Neutron GTX SSDs
 982                  * 4k optimised & trim only works in 4k requests + 4k aligned
 983                  */
 984                 { T_DIRECT, SIP_MEDIA_FIXED, "*", "Corsair Neutron GTX*", "*" },
 985                 /*quirks*/DA_Q_4K
 986         },
 987         {
 988                 /*
 989                  * Corsair Force GT & GS SSDs
 990                  * 4k optimised & trim only works in 4k requests + 4k aligned
 991                  */
 992                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Corsair Force G*", "*" },
 993                 /*quirks*/DA_Q_4K
 994         },
 995         {
 996                 /*
 997                  * Crucial M4 SSDs
 998                  * 4k optimised & trim only works in 4k requests + 4k aligned
 999                  */
1000                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "M4-CT???M4SSD2*", "*" },
1001                 /*quirks*/DA_Q_4K
1002         },
1003         {
1004                 /*
1005                  * Crucial RealSSD C300 SSDs
1006                  * 4k optimised
1007                  */
1008                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "C300-CTFDDAC???MAG*",
1009                 "*" }, /*quirks*/DA_Q_4K
1010         },
1011         {
1012                 /*
1013                  * Intel 320 Series SSDs
1014                  * 4k optimised & trim only works in 4k requests + 4k aligned
1015                  */
1016                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSA2CW*", "*" },
1017                 /*quirks*/DA_Q_4K
1018         },
1019         {
1020                 /*
1021                  * Intel 330 Series SSDs
1022                  * 4k optimised & trim only works in 4k requests + 4k aligned
1023                  */
1024                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSC2CT*", "*" },
1025                 /*quirks*/DA_Q_4K
1026         },
1027         {
1028                 /*
1029                  * Intel 510 Series SSDs
1030                  * 4k optimised & trim only works in 4k requests + 4k aligned
1031                  */
1032                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSC2MH*", "*" },
1033                 /*quirks*/DA_Q_4K
1034         },
1035         {
1036                 /*
1037                  * Intel 520 Series SSDs
1038                  * 4k optimised & trim only works in 4k requests + 4k aligned
1039                  */
1040                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSC2BW*", "*" },
1041                 /*quirks*/DA_Q_4K
1042         },
1043         {
1044                 /*
1045                  * Intel X25-M Series SSDs
1046                  * 4k optimised & trim only works in 4k requests + 4k aligned
1047                  */
1048                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSA2M*", "*" },
1049                 /*quirks*/DA_Q_4K
1050         },
1051         {
1052                 /*
1053                  * Kingston E100 Series SSDs
1054                  * 4k optimised & trim only works in 4k requests + 4k aligned
1055                  */
1056                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "KINGSTON SE100S3*", "*" },
1057                 /*quirks*/DA_Q_4K
1058         },
1059         {
1060                 /*
1061                  * Kingston HyperX 3k SSDs
1062                  * 4k optimised & trim only works in 4k requests + 4k aligned
1063                  */
1064                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "KINGSTON SH103S3*", "*" },
1065                 /*quirks*/DA_Q_4K
1066         },
1067         {
1068                 /*
1069                  * Marvell SSDs (entry taken from OpenSolaris)
1070                  * 4k optimised & trim only works in 4k requests + 4k aligned
1071                  */
1072                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "MARVELL SD88SA02*", "*" },
1073                 /*quirks*/DA_Q_4K
1074         },
1075         {
1076                 /*
1077                  * OCZ Agility 2 SSDs
1078                  * 4k optimised & trim only works in 4k requests + 4k aligned
1079                  */
1080                 { T_DIRECT, SIP_MEDIA_FIXED, "*", "OCZ-AGILITY2*", "*" },
1081                 /*quirks*/DA_Q_4K
1082         },
1083         {
1084                 /*
1085                  * OCZ Agility 3 SSDs
1086                  * 4k optimised & trim only works in 4k requests + 4k aligned
1087                  */
1088                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "OCZ-AGILITY3*", "*" },
1089                 /*quirks*/DA_Q_4K
1090         },
1091         {
1092                 /*
1093                  * OCZ Deneva R Series SSDs
1094                  * 4k optimised & trim only works in 4k requests + 4k aligned
1095                  */
1096                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "DENRSTE251M45*", "*" },
1097                 /*quirks*/DA_Q_4K
1098         },
1099         {
1100                 /*
1101                  * OCZ Vertex 2 SSDs (inc pro series)
1102                  * 4k optimised & trim only works in 4k requests + 4k aligned
1103                  */
1104                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "OCZ?VERTEX2*", "*" },
1105                 /*quirks*/DA_Q_4K
1106         },
1107         {
1108                 /*
1109                  * OCZ Vertex 3 SSDs
1110                  * 4k optimised & trim only works in 4k requests + 4k aligned
1111                  */
1112                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "OCZ-VERTEX3*", "*" },
1113                 /*quirks*/DA_Q_4K
1114         },
1115         {
1116                 /*
1117                  * OCZ Vertex 4 SSDs
1118                  * 4k optimised & trim only works in 4k requests + 4k aligned
1119                  */
1120                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "OCZ-VERTEX4*", "*" },
1121                 /*quirks*/DA_Q_4K
1122         },
1123         {
1124                 /*
1125                  * Samsung 830 Series SSDs
1126                  * 4k optimised & trim only works in 4k requests + 4k aligned
1127                  */
1128                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SAMSUNG SSD 830 Series*", "*" },
1129                 /*quirks*/DA_Q_4K
1130         },
1131         {
1132                 /*
1133                  * Samsung 840 SSDs
1134                  * 4k optimised & trim only works in 4k requests + 4k aligned
1135                  */
1136                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Samsung SSD 840*", "*" },
1137                 /*quirks*/DA_Q_4K
1138         },
1139         {
1140                 /*
1141                  * Samsung 843T Series SSDs
1142                  * 4k optimised
1143                  */
1144                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SAMSUNG MZ7WD*", "*" },
1145                 /*quirks*/DA_Q_4K
1146         },
1147         {
1148                 /*
1149                  * Samsung 850 SSDs
1150                  * 4k optimised & trim only works in 4k requests + 4k aligned
1151                  */
1152                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Samsung SSD 850*", "*" },
1153                 /*quirks*/DA_Q_4K
1154         },
1155         {
1156                 /*
1157                  * Samsung PM853T Series SSDs
1158                  * 4k optimised
1159                  */
1160                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SAMSUNG MZ7GE*", "*" },
1161                 /*quirks*/DA_Q_4K
1162         },
1163         {
1164                 /*
1165                  * SuperTalent TeraDrive CT SSDs
1166                  * 4k optimised & trim only works in 4k requests + 4k aligned
1167                  */
1168                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "FTM??CT25H*", "*" },
1169                 /*quirks*/DA_Q_4K
1170         },
1171         {
1172                 /*
1173                  * XceedIOPS SATA SSDs
1174                  * 4k optimised
1175                  */
1176                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SG9XCS2D*", "*" },
1177                 /*quirks*/DA_Q_4K
1178         },
1179         {
1180                 /*
1181                  * Hama Innostor USB-Stick
1182                  */
1183                 { T_DIRECT, SIP_MEDIA_REMOVABLE, "Innostor", "Innostor*", "*" },
1184                 /*quirks*/DA_Q_NO_RC16
1185         },
1186         {
1187                 /*
1188                  * MX-ES USB Drive by Mach Xtreme
1189                  */
1190                 { T_DIRECT, SIP_MEDIA_REMOVABLE, "MX", "MXUB3*", "*"},
1191                 /*quirks*/DA_Q_NO_RC16
1192         },
1193 };
1194
1195 static  disk_strategy_t dastrategy;
1196 static  dumper_t        dadump;
1197 static  periph_init_t   dainit;
1198 static  void            daasync(void *callback_arg, u_int32_t code,
1199                                 struct cam_path *path, void *arg);
1200 static  void            dasysctlinit(void *context, int pending);
1201 static  int             dacmdsizesysctl(SYSCTL_HANDLER_ARGS);
1202 static  int             dadeletemethodsysctl(SYSCTL_HANDLER_ARGS);
1203 static  int             dadeletemaxsysctl(SYSCTL_HANDLER_ARGS);
1204 static  void            dadeletemethodset(struct da_softc *softc,
1205                                           da_delete_methods delete_method);
1206 static  off_t           dadeletemaxsize(struct da_softc *softc,
1207                                         da_delete_methods delete_method);
1208 static  void            dadeletemethodchoose(struct da_softc *softc,
1209                                              da_delete_methods default_method);
1210 static  void            daprobedone(struct cam_periph *periph, union ccb *ccb);
1211
1212 static  periph_ctor_t   daregister;
1213 static  periph_dtor_t   dacleanup;
1214 static  periph_start_t  dastart;
1215 static  periph_oninv_t  daoninvalidate;
1216 static  void            dadone(struct cam_periph *periph,
1217                                union ccb *done_ccb);
1218 static  int             daerror(union ccb *ccb, u_int32_t cam_flags,
1219                                 u_int32_t sense_flags);
1220 static void             daprevent(struct cam_periph *periph, int action);
1221 static void             dareprobe(struct cam_periph *periph);
1222 static void             dasetgeom(struct cam_periph *periph, uint32_t block_len,
1223                                   uint64_t maxsector,
1224                                   struct scsi_read_capacity_data_long *rcaplong,
1225                                   size_t rcap_size);
1226 static timeout_t        dasendorderedtag;
1227 static void             dashutdown(void *arg, int howto);
1228 static timeout_t        damediapoll;
1229
1230 #ifndef DA_DEFAULT_POLL_PERIOD
1231 #define DA_DEFAULT_POLL_PERIOD  3
1232 #endif
1233
1234 #ifndef DA_DEFAULT_TIMEOUT
1235 #define DA_DEFAULT_TIMEOUT 60   /* Timeout in seconds */
1236 #endif
1237
1238 #ifndef DA_DEFAULT_RETRY
1239 #define DA_DEFAULT_RETRY        4
1240 #endif
1241
1242 #ifndef DA_DEFAULT_SEND_ORDERED
1243 #define DA_DEFAULT_SEND_ORDERED 1
1244 #endif
1245
1246 #define DA_SIO (softc->sort_io_queue >= 0 ? \
1247     softc->sort_io_queue : cam_sort_io_queues)
1248
1249 static int da_poll_period = DA_DEFAULT_POLL_PERIOD;
1250 static int da_retry_count = DA_DEFAULT_RETRY;
1251 static int da_default_timeout = DA_DEFAULT_TIMEOUT;
1252 static int da_send_ordered = DA_DEFAULT_SEND_ORDERED;
1253
1254 static SYSCTL_NODE(_kern_cam, OID_AUTO, da, CTLFLAG_RD, 0,
1255             "CAM Direct Access Disk driver");
1256 SYSCTL_INT(_kern_cam_da, OID_AUTO, poll_period, CTLFLAG_RWTUN,
1257            &da_poll_period, 0, "Media polling period in seconds");
1258 SYSCTL_INT(_kern_cam_da, OID_AUTO, retry_count, CTLFLAG_RWTUN,
1259            &da_retry_count, 0, "Normal I/O retry count");
1260 SYSCTL_INT(_kern_cam_da, OID_AUTO, default_timeout, CTLFLAG_RWTUN,
1261            &da_default_timeout, 0, "Normal I/O timeout (in seconds)");
1262 SYSCTL_INT(_kern_cam_da, OID_AUTO, send_ordered, CTLFLAG_RWTUN,
1263            &da_send_ordered, 0, "Send Ordered Tags");
1264
1265 /*
1266  * DA_ORDEREDTAG_INTERVAL determines how often, relative
1267  * to the default timeout, we check to see whether an ordered
1268  * tagged transaction is appropriate to prevent simple tag
1269  * starvation.  Since we'd like to ensure that there is at least
1270  * 1/2 of the timeout length left for a starved transaction to
1271  * complete after we've sent an ordered tag, we must poll at least
1272  * four times in every timeout period.  This takes care of the worst
1273  * case where a starved transaction starts during an interval that
1274  * meets the requirement "don't send an ordered tag" test so it takes
1275  * us two intervals to determine that a tag must be sent.
1276  */
1277 #ifndef DA_ORDEREDTAG_INTERVAL
1278 #define DA_ORDEREDTAG_INTERVAL 4
1279 #endif
1280
1281 static struct periph_driver dadriver =
1282 {
1283         dainit, "da",
1284         TAILQ_HEAD_INITIALIZER(dadriver.units), /* generation */ 0
1285 };
1286
1287 PERIPHDRIVER_DECLARE(da, dadriver);
1288
1289 static MALLOC_DEFINE(M_SCSIDA, "scsi_da", "scsi_da buffers");
1290
1291 static int
1292 daopen(struct disk *dp)
1293 {
1294         struct cam_periph *periph;
1295         struct da_softc *softc;
1296         int error;
1297
1298         periph = (struct cam_periph *)dp->d_drv1;
1299         if (cam_periph_acquire(periph) != CAM_REQ_CMP) {
1300                 return (ENXIO);
1301         }
1302
1303         cam_periph_lock(periph);
1304         if ((error = cam_periph_hold(periph, PRIBIO|PCATCH)) != 0) {
1305                 cam_periph_unlock(periph);
1306                 cam_periph_release(periph);
1307                 return (error);
1308         }
1309
1310         CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH,
1311             ("daopen\n"));
1312
1313         softc = (struct da_softc *)periph->softc;
1314         dareprobe(periph);
1315
1316         /* Wait for the disk size update.  */
1317         error = cam_periph_sleep(periph, &softc->disk->d_mediasize, PRIBIO,
1318             "dareprobe", 0);
1319         if (error != 0)
1320                 xpt_print(periph->path, "unable to retrieve capacity data\n");
1321
1322         if (periph->flags & CAM_PERIPH_INVALID)
1323                 error = ENXIO;
1324
1325         if (error == 0 && (softc->flags & DA_FLAG_PACK_REMOVABLE) != 0 &&
1326             (softc->quirks & DA_Q_NO_PREVENT) == 0)
1327                 daprevent(periph, PR_PREVENT);
1328
1329         if (error == 0) {
1330                 softc->flags &= ~DA_FLAG_PACK_INVALID;
1331                 softc->flags |= DA_FLAG_OPEN;
1332         }
1333
1334         cam_periph_unhold(periph);
1335         cam_periph_unlock(periph);
1336
1337         if (error != 0)
1338                 cam_periph_release(periph);
1339
1340         return (error);
1341 }
1342
1343 static int
1344 daclose(struct disk *dp)
1345 {
1346         struct  cam_periph *periph;
1347         struct  da_softc *softc;
1348         union   ccb *ccb;
1349         int error;
1350
1351         periph = (struct cam_periph *)dp->d_drv1;
1352         softc = (struct da_softc *)periph->softc;
1353         cam_periph_lock(periph);
1354         CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH,
1355             ("daclose\n"));
1356
1357         if (cam_periph_hold(periph, PRIBIO) == 0) {
1358
1359                 /* Flush disk cache. */
1360                 if ((softc->flags & DA_FLAG_DIRTY) != 0 &&
1361                     (softc->quirks & DA_Q_NO_SYNC_CACHE) == 0 &&
1362                     (softc->flags & DA_FLAG_PACK_INVALID) == 0) {
1363                         ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
1364                         scsi_synchronize_cache(&ccb->csio, /*retries*/1,
1365                             /*cbfcnp*/dadone, MSG_SIMPLE_Q_TAG,
1366                             /*begin_lba*/0, /*lb_count*/0, SSD_FULL_SIZE,
1367                             5 * 60 * 1000);
1368                         error = cam_periph_runccb(ccb, daerror, /*cam_flags*/0,
1369                             /*sense_flags*/SF_RETRY_UA | SF_QUIET_IR,
1370                             softc->disk->d_devstat);
1371                         if (error == 0)
1372                                 softc->flags &= ~DA_FLAG_DIRTY;
1373                         xpt_release_ccb(ccb);
1374                 }
1375
1376                 /* Allow medium removal. */
1377                 if ((softc->flags & DA_FLAG_PACK_REMOVABLE) != 0 &&
1378                     (softc->quirks & DA_Q_NO_PREVENT) == 0)
1379                         daprevent(periph, PR_ALLOW);
1380
1381                 cam_periph_unhold(periph);
1382         }
1383
1384         /*
1385          * If we've got removeable media, mark the blocksize as
1386          * unavailable, since it could change when new media is
1387          * inserted.
1388          */
1389         if ((softc->flags & DA_FLAG_PACK_REMOVABLE) != 0)
1390                 softc->disk->d_devstat->flags |= DEVSTAT_BS_UNAVAILABLE;
1391
1392         softc->flags &= ~DA_FLAG_OPEN;
1393         while (softc->refcount != 0)
1394                 cam_periph_sleep(periph, &softc->refcount, PRIBIO, "daclose", 1);
1395         cam_periph_unlock(periph);
1396         cam_periph_release(periph);
1397         return (0);
1398 }
1399
1400 static void
1401 daschedule(struct cam_periph *periph)
1402 {
1403         struct da_softc *softc = (struct da_softc *)periph->softc;
1404
1405         if (softc->state != DA_STATE_NORMAL)
1406                 return;
1407
1408         /* Check if we have more work to do. */
1409         if (bioq_first(&softc->bio_queue) ||
1410             (!softc->delete_running && bioq_first(&softc->delete_queue)) ||
1411             softc->tur) {
1412                 xpt_schedule(periph, CAM_PRIORITY_NORMAL);
1413         }
1414 }
1415
1416 /*
1417  * Actually translate the requested transfer into one the physical driver
1418  * can understand.  The transfer is described by a buf and will include
1419  * only one physical transfer.
1420  */
1421 static void
1422 dastrategy(struct bio *bp)
1423 {
1424         struct cam_periph *periph;
1425         struct da_softc *softc;
1426
1427         periph = (struct cam_periph *)bp->bio_disk->d_drv1;
1428         softc = (struct da_softc *)periph->softc;
1429
1430         cam_periph_lock(periph);
1431
1432         /*
1433          * If the device has been made invalid, error out
1434          */
1435         if ((softc->flags & DA_FLAG_PACK_INVALID)) {
1436                 cam_periph_unlock(periph);
1437                 biofinish(bp, NULL, ENXIO);
1438                 return;
1439         }
1440
1441         CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dastrategy(%p)\n", bp));
1442
1443         /*
1444          * Place it in the queue of disk activities for this disk
1445          */
1446         if (bp->bio_cmd == BIO_DELETE) {
1447                 bioq_disksort(&softc->delete_queue, bp);
1448         } else if (DA_SIO) {
1449                 bioq_disksort(&softc->bio_queue, bp);
1450         } else {
1451                 bioq_insert_tail(&softc->bio_queue, bp);
1452         }
1453
1454         /*
1455          * Schedule ourselves for performing the work.
1456          */
1457         daschedule(periph);
1458         cam_periph_unlock(periph);
1459
1460         return;
1461 }
1462
1463 static int
1464 dadump(void *arg, void *virtual, vm_offset_t physical, off_t offset, size_t length)
1465 {
1466         struct      cam_periph *periph;
1467         struct      da_softc *softc;
1468         u_int       secsize;
1469         struct      ccb_scsiio csio;
1470         struct      disk *dp;
1471         int         error = 0;
1472
1473         dp = arg;
1474         periph = dp->d_drv1;
1475         softc = (struct da_softc *)periph->softc;
1476         cam_periph_lock(periph);
1477         secsize = softc->params.secsize;
1478
1479         if ((softc->flags & DA_FLAG_PACK_INVALID) != 0) {
1480                 cam_periph_unlock(periph);
1481                 return (ENXIO);
1482         }
1483
1484         if (length > 0) {
1485                 xpt_setup_ccb(&csio.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
1486                 csio.ccb_h.ccb_state = DA_CCB_DUMP;
1487                 scsi_read_write(&csio,
1488                                 /*retries*/0,
1489                                 dadone,
1490                                 MSG_ORDERED_Q_TAG,
1491                                 /*read*/SCSI_RW_WRITE,
1492                                 /*byte2*/0,
1493                                 /*minimum_cmd_size*/ softc->minimum_cmd_size,
1494                                 offset / secsize,
1495                                 length / secsize,
1496                                 /*data_ptr*/(u_int8_t *) virtual,
1497                                 /*dxfer_len*/length,
1498                                 /*sense_len*/SSD_FULL_SIZE,
1499                                 da_default_timeout * 1000);
1500                 xpt_polled_action((union ccb *)&csio);
1501
1502                 error = cam_periph_error((union ccb *)&csio,
1503                     0, SF_NO_RECOVERY | SF_NO_RETRY, NULL);
1504                 if ((csio.ccb_h.status & CAM_DEV_QFRZN) != 0)
1505                         cam_release_devq(csio.ccb_h.path, /*relsim_flags*/0,
1506                             /*reduction*/0, /*timeout*/0, /*getcount_only*/0);
1507                 if (error != 0)
1508                         printf("Aborting dump due to I/O error.\n");
1509                 cam_periph_unlock(periph);
1510                 return (error);
1511         }
1512
1513         /*
1514          * Sync the disk cache contents to the physical media.
1515          */
1516         if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) {
1517
1518                 xpt_setup_ccb(&csio.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
1519                 csio.ccb_h.ccb_state = DA_CCB_DUMP;
1520                 scsi_synchronize_cache(&csio,
1521                                        /*retries*/0,
1522                                        /*cbfcnp*/dadone,
1523                                        MSG_SIMPLE_Q_TAG,
1524                                        /*begin_lba*/0,/* Cover the whole disk */
1525                                        /*lb_count*/0,
1526                                        SSD_FULL_SIZE,
1527                                        5 * 60 * 1000);
1528                 xpt_polled_action((union ccb *)&csio);
1529
1530                 error = cam_periph_error((union ccb *)&csio,
1531                     0, SF_NO_RECOVERY | SF_NO_RETRY | SF_QUIET_IR, NULL);
1532                 if ((csio.ccb_h.status & CAM_DEV_QFRZN) != 0)
1533                         cam_release_devq(csio.ccb_h.path, /*relsim_flags*/0,
1534                             /*reduction*/0, /*timeout*/0, /*getcount_only*/0);
1535                 if (error != 0)
1536                         xpt_print(periph->path, "Synchronize cache failed\n");
1537         }
1538         cam_periph_unlock(periph);
1539         return (error);
1540 }
1541
1542 static int
1543 dagetattr(struct bio *bp)
1544 {
1545         int ret;
1546         struct cam_periph *periph;
1547
1548         periph = (struct cam_periph *)bp->bio_disk->d_drv1;
1549         cam_periph_lock(periph);
1550         ret = xpt_getattr(bp->bio_data, bp->bio_length, bp->bio_attribute,
1551             periph->path);
1552         cam_periph_unlock(periph);
1553         if (ret == 0)
1554                 bp->bio_completed = bp->bio_length;
1555         return ret;
1556 }
1557
1558 static void
1559 dainit(void)
1560 {
1561         cam_status status;
1562
1563         /*
1564          * Install a global async callback.  This callback will
1565          * receive async callbacks like "new device found".
1566          */
1567         status = xpt_register_async(AC_FOUND_DEVICE, daasync, NULL, NULL);
1568
1569         if (status != CAM_REQ_CMP) {
1570                 printf("da: Failed to attach master async callback "
1571                        "due to status 0x%x!\n", status);
1572         } else if (da_send_ordered) {
1573
1574                 /* Register our shutdown event handler */
1575                 if ((EVENTHANDLER_REGISTER(shutdown_post_sync, dashutdown,
1576                                            NULL, SHUTDOWN_PRI_DEFAULT)) == NULL)
1577                     printf("dainit: shutdown event registration failed!\n");
1578         }
1579 }
1580
1581 /*
1582  * Callback from GEOM, called when it has finished cleaning up its
1583  * resources.
1584  */
1585 static void
1586 dadiskgonecb(struct disk *dp)
1587 {
1588         struct cam_periph *periph;
1589
1590         periph = (struct cam_periph *)dp->d_drv1;
1591         cam_periph_release(periph);
1592 }
1593
1594 static void
1595 daoninvalidate(struct cam_periph *periph)
1596 {
1597         struct da_softc *softc;
1598
1599         softc = (struct da_softc *)periph->softc;
1600
1601         /*
1602          * De-register any async callbacks.
1603          */
1604         xpt_register_async(0, daasync, periph, periph->path);
1605
1606         softc->flags |= DA_FLAG_PACK_INVALID;
1607
1608         /*
1609          * Return all queued I/O with ENXIO.
1610          * XXX Handle any transactions queued to the card
1611          *     with XPT_ABORT_CCB.
1612          */
1613         bioq_flush(&softc->bio_queue, NULL, ENXIO);
1614         bioq_flush(&softc->delete_queue, NULL, ENXIO);
1615
1616         /*
1617          * Tell GEOM that we've gone away, we'll get a callback when it is
1618          * done cleaning up its resources.
1619          */
1620         disk_gone(softc->disk);
1621 }
1622
1623 static void
1624 dacleanup(struct cam_periph *periph)
1625 {
1626         struct da_softc *softc;
1627
1628         softc = (struct da_softc *)periph->softc;
1629
1630         cam_periph_unlock(periph);
1631
1632         /*
1633          * If we can't free the sysctl tree, oh well...
1634          */
1635         if ((softc->flags & DA_FLAG_SCTX_INIT) != 0
1636             && sysctl_ctx_free(&softc->sysctl_ctx) != 0) {
1637                 xpt_print(periph->path, "can't remove sysctl context\n");
1638         }
1639
1640         callout_drain(&softc->mediapoll_c);
1641         disk_destroy(softc->disk);
1642         callout_drain(&softc->sendordered_c);
1643         free(softc, M_DEVBUF);
1644         cam_periph_lock(periph);
1645 }
1646
1647 static void
1648 daasync(void *callback_arg, u_int32_t code,
1649         struct cam_path *path, void *arg)
1650 {
1651         struct cam_periph *periph;
1652         struct da_softc *softc;
1653
1654         periph = (struct cam_periph *)callback_arg;
1655         switch (code) {
1656         case AC_FOUND_DEVICE:
1657         {
1658                 struct ccb_getdev *cgd;
1659                 cam_status status;
1660
1661                 cgd = (struct ccb_getdev *)arg;
1662                 if (cgd == NULL)
1663                         break;
1664
1665                 if (cgd->protocol != PROTO_SCSI)
1666                         break;
1667                 if (SID_QUAL(&cgd->inq_data) != SID_QUAL_LU_CONNECTED)
1668                         break;
1669                 if (SID_TYPE(&cgd->inq_data) != T_DIRECT
1670                     && SID_TYPE(&cgd->inq_data) != T_RBC
1671                     && SID_TYPE(&cgd->inq_data) != T_OPTICAL)
1672                         break;
1673
1674                 /*
1675                  * Allocate a peripheral instance for
1676                  * this device and start the probe
1677                  * process.
1678                  */
1679                 status = cam_periph_alloc(daregister, daoninvalidate,
1680                                           dacleanup, dastart,
1681                                           "da", CAM_PERIPH_BIO,
1682                                           path, daasync,
1683                                           AC_FOUND_DEVICE, cgd);
1684
1685                 if (status != CAM_REQ_CMP
1686                  && status != CAM_REQ_INPROG)
1687                         printf("daasync: Unable to attach to new device "
1688                                 "due to status 0x%x\n", status);
1689                 return;
1690         }
1691         case AC_ADVINFO_CHANGED:
1692         {
1693                 uintptr_t buftype;
1694
1695                 buftype = (uintptr_t)arg;
1696                 if (buftype == CDAI_TYPE_PHYS_PATH) {
1697                         struct da_softc *softc;
1698
1699                         softc = periph->softc;
1700                         disk_attr_changed(softc->disk, "GEOM::physpath",
1701                                           M_NOWAIT);
1702                 }
1703                 break;
1704         }
1705         case AC_UNIT_ATTENTION:
1706         {
1707                 union ccb *ccb;
1708                 int error_code, sense_key, asc, ascq;
1709
1710                 softc = (struct da_softc *)periph->softc;
1711                 ccb = (union ccb *)arg;
1712
1713                 /*
1714                  * Handle all UNIT ATTENTIONs except our own,
1715                  * as they will be handled by daerror().
1716                  */
1717                 if (xpt_path_periph(ccb->ccb_h.path) != periph &&
1718                     scsi_extract_sense_ccb(ccb,
1719                      &error_code, &sense_key, &asc, &ascq)) {
1720                         if (asc == 0x2A && ascq == 0x09) {
1721                                 xpt_print(ccb->ccb_h.path,
1722                                     "Capacity data has changed\n");
1723                                 softc->flags &= ~DA_FLAG_PROBED;
1724                                 dareprobe(periph);
1725                         } else if (asc == 0x28 && ascq == 0x00) {
1726                                 softc->flags &= ~DA_FLAG_PROBED;
1727                                 disk_media_changed(softc->disk, M_NOWAIT);
1728                         } else if (asc == 0x3F && ascq == 0x03) {
1729                                 xpt_print(ccb->ccb_h.path,
1730                                     "INQUIRY data has changed\n");
1731                                 softc->flags &= ~DA_FLAG_PROBED;
1732                                 dareprobe(periph);
1733                         }
1734                 }
1735                 cam_periph_async(periph, code, path, arg);
1736                 break;
1737         }
1738         case AC_SCSI_AEN:
1739                 softc = (struct da_softc *)periph->softc;
1740                 if (!softc->tur) {
1741                         if (cam_periph_acquire(periph) == CAM_REQ_CMP) {
1742                                 softc->tur = 1;
1743                                 daschedule(periph);
1744                         }
1745                 }
1746                 /* FALLTHROUGH */
1747         case AC_SENT_BDR:
1748         case AC_BUS_RESET:
1749         {
1750                 struct ccb_hdr *ccbh;
1751
1752                 softc = (struct da_softc *)periph->softc;
1753                 /*
1754                  * Don't fail on the expected unit attention
1755                  * that will occur.
1756                  */
1757                 softc->flags |= DA_FLAG_RETRY_UA;
1758                 LIST_FOREACH(ccbh, &softc->pending_ccbs, periph_links.le)
1759                         ccbh->ccb_state |= DA_CCB_RETRY_UA;
1760                 break;
1761         }
1762         default:
1763                 break;
1764         }
1765         cam_periph_async(periph, code, path, arg);
1766 }
1767
1768 static void
1769 dasysctlinit(void *context, int pending)
1770 {
1771         struct cam_periph *periph;
1772         struct da_softc *softc;
1773         char tmpstr[80], tmpstr2[80];
1774         struct ccb_trans_settings cts;
1775
1776         periph = (struct cam_periph *)context;
1777         /*
1778          * periph was held for us when this task was enqueued
1779          */
1780         if (periph->flags & CAM_PERIPH_INVALID) {
1781                 cam_periph_release(periph);
1782                 return;
1783         }
1784
1785         softc = (struct da_softc *)periph->softc;
1786         snprintf(tmpstr, sizeof(tmpstr), "CAM DA unit %d", periph->unit_number);
1787         snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number);
1788
1789         sysctl_ctx_init(&softc->sysctl_ctx);
1790         softc->flags |= DA_FLAG_SCTX_INIT;
1791         softc->sysctl_tree = SYSCTL_ADD_NODE(&softc->sysctl_ctx,
1792                 SYSCTL_STATIC_CHILDREN(_kern_cam_da), OID_AUTO, tmpstr2,
1793                 CTLFLAG_RD, 0, tmpstr);
1794         if (softc->sysctl_tree == NULL) {
1795                 printf("dasysctlinit: unable to allocate sysctl tree\n");
1796                 cam_periph_release(periph);
1797                 return;
1798         }
1799
1800         /*
1801          * Now register the sysctl handler, so the user can change the value on
1802          * the fly.
1803          */
1804         SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1805                 OID_AUTO, "delete_method", CTLTYPE_STRING | CTLFLAG_RWTUN,
1806                 softc, 0, dadeletemethodsysctl, "A",
1807                 "BIO_DELETE execution method");
1808         SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1809                 OID_AUTO, "delete_max", CTLTYPE_U64 | CTLFLAG_RW,
1810                 softc, 0, dadeletemaxsysctl, "Q",
1811                 "Maximum BIO_DELETE size");
1812         SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1813                 OID_AUTO, "minimum_cmd_size", CTLTYPE_INT | CTLFLAG_RW,
1814                 &softc->minimum_cmd_size, 0, dacmdsizesysctl, "I",
1815                 "Minimum CDB size");
1816         SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1817                 OID_AUTO, "sort_io_queue", CTLFLAG_RW, &softc->sort_io_queue, 0,
1818                 "Sort IO queue to try and optimise disk access patterns");
1819
1820         SYSCTL_ADD_INT(&softc->sysctl_ctx,
1821                        SYSCTL_CHILDREN(softc->sysctl_tree),
1822                        OID_AUTO,
1823                        "error_inject",
1824                        CTLFLAG_RW,
1825                        &softc->error_inject,
1826                        0,
1827                        "error_inject leaf");
1828
1829
1830         /*
1831          * Add some addressing info.
1832          */
1833         memset(&cts, 0, sizeof (cts));
1834         xpt_setup_ccb(&cts.ccb_h, periph->path, CAM_PRIORITY_NONE);
1835         cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS;
1836         cts.type = CTS_TYPE_CURRENT_SETTINGS;
1837         cam_periph_lock(periph);
1838         xpt_action((union ccb *)&cts);
1839         cam_periph_unlock(periph);
1840         if (cts.ccb_h.status != CAM_REQ_CMP) {
1841                 cam_periph_release(periph);
1842                 return;
1843         }
1844         if (cts.protocol == PROTO_SCSI && cts.transport == XPORT_FC) {
1845                 struct ccb_trans_settings_fc *fc = &cts.xport_specific.fc;
1846                 if (fc->valid & CTS_FC_VALID_WWPN) {
1847                         softc->wwpn = fc->wwpn;
1848                         SYSCTL_ADD_UQUAD(&softc->sysctl_ctx,
1849                             SYSCTL_CHILDREN(softc->sysctl_tree),
1850                             OID_AUTO, "wwpn", CTLFLAG_RD,
1851                             &softc->wwpn, "World Wide Port Name");
1852                 }
1853         }
1854         cam_periph_release(periph);
1855 }
1856
1857 static int
1858 dadeletemaxsysctl(SYSCTL_HANDLER_ARGS)
1859 {
1860         int error;
1861         uint64_t value;
1862         struct da_softc *softc;
1863
1864         softc = (struct da_softc *)arg1;
1865
1866         value = softc->disk->d_delmaxsize;
1867         error = sysctl_handle_64(oidp, &value, 0, req);
1868         if ((error != 0) || (req->newptr == NULL))
1869                 return (error);
1870
1871         /* only accept values smaller than the calculated value */
1872         if (value > dadeletemaxsize(softc, softc->delete_method)) {
1873                 return (EINVAL);
1874         }
1875         softc->disk->d_delmaxsize = value;
1876
1877         return (0);
1878 }
1879
1880 static int
1881 dacmdsizesysctl(SYSCTL_HANDLER_ARGS)
1882 {
1883         int error, value;
1884
1885         value = *(int *)arg1;
1886
1887         error = sysctl_handle_int(oidp, &value, 0, req);
1888
1889         if ((error != 0)
1890          || (req->newptr == NULL))
1891                 return (error);
1892
1893         /*
1894          * Acceptable values here are 6, 10, 12 or 16.
1895          */
1896         if (value < 6)
1897                 value = 6;
1898         else if ((value > 6)
1899               && (value <= 10))
1900                 value = 10;
1901         else if ((value > 10)
1902               && (value <= 12))
1903                 value = 12;
1904         else if (value > 12)
1905                 value = 16;
1906
1907         *(int *)arg1 = value;
1908
1909         return (0);
1910 }
1911
1912 static void
1913 dadeletemethodset(struct da_softc *softc, da_delete_methods delete_method)
1914 {
1915
1916         softc->delete_method = delete_method;
1917         softc->disk->d_delmaxsize = dadeletemaxsize(softc, delete_method);
1918         softc->delete_func = da_delete_functions[delete_method];
1919
1920         if (softc->delete_method > DA_DELETE_DISABLE)
1921                 softc->disk->d_flags |= DISKFLAG_CANDELETE;
1922         else
1923                 softc->disk->d_flags &= ~DISKFLAG_CANDELETE;
1924 }
1925
1926 static off_t
1927 dadeletemaxsize(struct da_softc *softc, da_delete_methods delete_method)
1928 {
1929         off_t sectors;
1930
1931         switch(delete_method) {
1932         case DA_DELETE_UNMAP:
1933                 sectors = (off_t)softc->unmap_max_lba;
1934                 break;
1935         case DA_DELETE_ATA_TRIM:
1936                 sectors = (off_t)ATA_DSM_RANGE_MAX * softc->trim_max_ranges;
1937                 break;
1938         case DA_DELETE_WS16:
1939                 sectors = omin(softc->ws_max_blks, WS16_MAX_BLKS);
1940                 break;
1941         case DA_DELETE_ZERO:
1942         case DA_DELETE_WS10:
1943                 sectors = omin(softc->ws_max_blks, WS10_MAX_BLKS);
1944                 break;
1945         default:
1946                 return 0;
1947         }
1948
1949         return (off_t)softc->params.secsize *
1950             omin(sectors, softc->params.sectors);
1951 }
1952
1953 static void
1954 daprobedone(struct cam_periph *periph, union ccb *ccb)
1955 {
1956         struct da_softc *softc;
1957
1958         softc = (struct da_softc *)periph->softc;
1959
1960         dadeletemethodchoose(softc, DA_DELETE_NONE);
1961
1962         if (bootverbose && (softc->flags & DA_FLAG_ANNOUNCED) == 0) {
1963                 char buf[80];
1964                 int i, sep;
1965
1966                 snprintf(buf, sizeof(buf), "Delete methods: <");
1967                 sep = 0;
1968                 for (i = 0; i <= DA_DELETE_MAX; i++) {
1969                         if ((softc->delete_available & (1 << i)) == 0 &&
1970                             i != softc->delete_method)
1971                                 continue;
1972                         if (sep)
1973                                 strlcat(buf, ",", sizeof(buf));
1974                         strlcat(buf, da_delete_method_names[i],
1975                             sizeof(buf));
1976                         if (i == softc->delete_method)
1977                                 strlcat(buf, "(*)", sizeof(buf));
1978                         sep = 1;
1979                 }
1980                 strlcat(buf, ">", sizeof(buf));
1981                 printf("%s%d: %s\n", periph->periph_name,
1982                     periph->unit_number, buf);
1983         }
1984
1985         /*
1986          * Since our peripheral may be invalidated by an error
1987          * above or an external event, we must release our CCB
1988          * before releasing the probe lock on the peripheral.
1989          * The peripheral will only go away once the last lock
1990          * is removed, and we need it around for the CCB release
1991          * operation.
1992          */
1993         xpt_release_ccb(ccb);
1994         softc->state = DA_STATE_NORMAL;
1995         softc->flags |= DA_FLAG_PROBED;
1996         daschedule(periph);
1997         wakeup(&softc->disk->d_mediasize);
1998         if ((softc->flags & DA_FLAG_ANNOUNCED) == 0) {
1999                 softc->flags |= DA_FLAG_ANNOUNCED;
2000                 cam_periph_unhold(periph);
2001         } else
2002                 cam_periph_release_locked(periph);
2003 }
2004
2005 static void
2006 dadeletemethodchoose(struct da_softc *softc, da_delete_methods default_method)
2007 {
2008         int i, methods;
2009
2010         /* If available, prefer the method requested by user. */
2011         i = softc->delete_method_pref;
2012         methods = softc->delete_available | (1 << DA_DELETE_DISABLE);
2013         if (methods & (1 << i)) {
2014                 dadeletemethodset(softc, i);
2015                 return;
2016         }
2017
2018         /* Use the pre-defined order to choose the best performing delete. */
2019         for (i = DA_DELETE_MIN; i <= DA_DELETE_MAX; i++) {
2020                 if (i == DA_DELETE_ZERO)
2021                         continue;
2022                 if (softc->delete_available & (1 << i)) {
2023                         dadeletemethodset(softc, i);
2024                         return;
2025                 }
2026         }
2027
2028         /* Fallback to default. */
2029         dadeletemethodset(softc, default_method);
2030 }
2031
2032 static int
2033 dadeletemethodsysctl(SYSCTL_HANDLER_ARGS)
2034 {
2035         char buf[16];
2036         const char *p;
2037         struct da_softc *softc;
2038         int i, error, methods, value;
2039
2040         softc = (struct da_softc *)arg1;
2041
2042         value = softc->delete_method;
2043         if (value < 0 || value > DA_DELETE_MAX)
2044                 p = "UNKNOWN";
2045         else
2046                 p = da_delete_method_names[value];
2047         strncpy(buf, p, sizeof(buf));
2048         error = sysctl_handle_string(oidp, buf, sizeof(buf), req);
2049         if (error != 0 || req->newptr == NULL)
2050                 return (error);
2051         methods = softc->delete_available | (1 << DA_DELETE_DISABLE);
2052         for (i = 0; i <= DA_DELETE_MAX; i++) {
2053                 if (strcmp(buf, da_delete_method_names[i]) == 0)
2054                         break;
2055         }
2056         if (i > DA_DELETE_MAX)
2057                 return (EINVAL);
2058         softc->delete_method_pref = i;
2059         dadeletemethodchoose(softc, DA_DELETE_NONE);
2060         return (0);
2061 }
2062
2063 static cam_status
2064 daregister(struct cam_periph *periph, void *arg)
2065 {
2066         struct da_softc *softc;
2067         struct ccb_pathinq cpi;
2068         struct ccb_getdev *cgd;
2069         char tmpstr[80];
2070         caddr_t match;
2071
2072         cgd = (struct ccb_getdev *)arg;
2073         if (cgd == NULL) {
2074                 printf("daregister: no getdev CCB, can't register device\n");
2075                 return(CAM_REQ_CMP_ERR);
2076         }
2077
2078         softc = (struct da_softc *)malloc(sizeof(*softc), M_DEVBUF,
2079             M_NOWAIT|M_ZERO);
2080
2081         if (softc == NULL) {
2082                 printf("daregister: Unable to probe new device. "
2083                        "Unable to allocate softc\n");
2084                 return(CAM_REQ_CMP_ERR);
2085         }
2086
2087         LIST_INIT(&softc->pending_ccbs);
2088         softc->state = DA_STATE_PROBE_RC;
2089         bioq_init(&softc->bio_queue);
2090         bioq_init(&softc->delete_queue);
2091         bioq_init(&softc->delete_run_queue);
2092         if (SID_IS_REMOVABLE(&cgd->inq_data))
2093                 softc->flags |= DA_FLAG_PACK_REMOVABLE;
2094         softc->unmap_max_ranges = UNMAP_MAX_RANGES;
2095         softc->unmap_max_lba = UNMAP_RANGE_MAX;
2096         softc->ws_max_blks = WS16_MAX_BLKS;
2097         softc->trim_max_ranges = ATA_TRIM_MAX_RANGES;
2098         softc->sort_io_queue = -1;
2099
2100         periph->softc = softc;
2101
2102         /*
2103          * See if this device has any quirks.
2104          */
2105         match = cam_quirkmatch((caddr_t)&cgd->inq_data,
2106                                (caddr_t)da_quirk_table,
2107                                sizeof(da_quirk_table)/sizeof(*da_quirk_table),
2108                                sizeof(*da_quirk_table), scsi_inquiry_match);
2109
2110         if (match != NULL)
2111                 softc->quirks = ((struct da_quirk_entry *)match)->quirks;
2112         else
2113                 softc->quirks = DA_Q_NONE;
2114
2115         /* Check if the SIM does not want 6 byte commands */
2116         bzero(&cpi, sizeof(cpi));
2117         xpt_setup_ccb(&cpi.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
2118         cpi.ccb_h.func_code = XPT_PATH_INQ;
2119         xpt_action((union ccb *)&cpi);
2120         if (cpi.ccb_h.status == CAM_REQ_CMP && (cpi.hba_misc & PIM_NO_6_BYTE))
2121                 softc->quirks |= DA_Q_NO_6_BYTE;
2122
2123         TASK_INIT(&softc->sysctl_task, 0, dasysctlinit, periph);
2124
2125         /*
2126          * Take an exclusive refcount on the periph while dastart is called
2127          * to finish the probe.  The reference will be dropped in dadone at
2128          * the end of probe.
2129          */
2130         (void)cam_periph_hold(periph, PRIBIO);
2131
2132         /*
2133          * Schedule a periodic event to occasionally send an
2134          * ordered tag to a device.
2135          */
2136         callout_init_mtx(&softc->sendordered_c, cam_periph_mtx(periph), 0);
2137         callout_reset(&softc->sendordered_c,
2138             (da_default_timeout * hz) / DA_ORDEREDTAG_INTERVAL,
2139             dasendorderedtag, softc);
2140
2141         cam_periph_unlock(periph);
2142         /*
2143          * RBC devices don't have to support READ(6), only READ(10).
2144          */
2145         if (softc->quirks & DA_Q_NO_6_BYTE || SID_TYPE(&cgd->inq_data) == T_RBC)
2146                 softc->minimum_cmd_size = 10;
2147         else
2148                 softc->minimum_cmd_size = 6;
2149
2150         /*
2151          * Load the user's default, if any.
2152          */
2153         snprintf(tmpstr, sizeof(tmpstr), "kern.cam.da.%d.minimum_cmd_size",
2154                  periph->unit_number);
2155         TUNABLE_INT_FETCH(tmpstr, &softc->minimum_cmd_size);
2156
2157         /*
2158          * 6, 10, 12 and 16 are the currently permissible values.
2159          */
2160         if (softc->minimum_cmd_size < 6)
2161                 softc->minimum_cmd_size = 6;
2162         else if ((softc->minimum_cmd_size > 6)
2163               && (softc->minimum_cmd_size <= 10))
2164                 softc->minimum_cmd_size = 10;
2165         else if ((softc->minimum_cmd_size > 10)
2166               && (softc->minimum_cmd_size <= 12))
2167                 softc->minimum_cmd_size = 12;
2168         else if (softc->minimum_cmd_size > 12)
2169                 softc->minimum_cmd_size = 16;
2170
2171         /* Predict whether device may support READ CAPACITY(16). */
2172         if (SID_ANSI_REV(&cgd->inq_data) >= SCSI_REV_SPC3 &&
2173             (softc->quirks & DA_Q_NO_RC16) == 0) {
2174                 softc->flags |= DA_FLAG_CAN_RC16;
2175                 softc->state = DA_STATE_PROBE_RC16;
2176         }
2177
2178         /*
2179          * Register this media as a disk.
2180          */
2181         softc->disk = disk_alloc();
2182         softc->disk->d_devstat = devstat_new_entry(periph->periph_name,
2183                           periph->unit_number, 0,
2184                           DEVSTAT_BS_UNAVAILABLE,
2185                           SID_TYPE(&cgd->inq_data) |
2186                           XPORT_DEVSTAT_TYPE(cpi.transport),
2187                           DEVSTAT_PRIORITY_DISK);
2188         softc->disk->d_open = daopen;
2189         softc->disk->d_close = daclose;
2190         softc->disk->d_strategy = dastrategy;
2191         softc->disk->d_dump = dadump;
2192         softc->disk->d_getattr = dagetattr;
2193         softc->disk->d_gone = dadiskgonecb;
2194         softc->disk->d_name = "da";
2195         softc->disk->d_drv1 = periph;
2196         if (cpi.maxio == 0)
2197                 softc->maxio = DFLTPHYS;        /* traditional default */
2198         else if (cpi.maxio > MAXPHYS)
2199                 softc->maxio = MAXPHYS;         /* for safety */
2200         else
2201                 softc->maxio = cpi.maxio;
2202         softc->disk->d_maxsize = softc->maxio;
2203         softc->disk->d_unit = periph->unit_number;
2204         softc->disk->d_flags = DISKFLAG_DIRECT_COMPLETION;
2205         if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0)
2206                 softc->disk->d_flags |= DISKFLAG_CANFLUSHCACHE;
2207         if ((cpi.hba_misc & PIM_UNMAPPED) != 0)
2208                 softc->disk->d_flags |= DISKFLAG_UNMAPPED_BIO;
2209         cam_strvis(softc->disk->d_descr, cgd->inq_data.vendor,
2210             sizeof(cgd->inq_data.vendor), sizeof(softc->disk->d_descr));
2211         strlcat(softc->disk->d_descr, " ", sizeof(softc->disk->d_descr));
2212         cam_strvis(&softc->disk->d_descr[strlen(softc->disk->d_descr)],
2213             cgd->inq_data.product, sizeof(cgd->inq_data.product),
2214             sizeof(softc->disk->d_descr) - strlen(softc->disk->d_descr));
2215         softc->disk->d_hba_vendor = cpi.hba_vendor;
2216         softc->disk->d_hba_device = cpi.hba_device;
2217         softc->disk->d_hba_subvendor = cpi.hba_subvendor;
2218         softc->disk->d_hba_subdevice = cpi.hba_subdevice;
2219
2220         /*
2221          * Acquire a reference to the periph before we register with GEOM.
2222          * We'll release this reference once GEOM calls us back (via
2223          * dadiskgonecb()) telling us that our provider has been freed.
2224          */
2225         if (cam_periph_acquire(periph) != CAM_REQ_CMP) {
2226                 xpt_print(periph->path, "%s: lost periph during "
2227                           "registration!\n", __func__);
2228                 cam_periph_lock(periph);
2229                 return (CAM_REQ_CMP_ERR);
2230         }
2231
2232         disk_create(softc->disk, DISK_VERSION);
2233         cam_periph_lock(periph);
2234
2235         /*
2236          * Add async callbacks for events of interest.
2237          * I don't bother checking if this fails as,
2238          * in most cases, the system will function just
2239          * fine without them and the only alternative
2240          * would be to not attach the device on failure.
2241          */
2242         xpt_register_async(AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE |
2243             AC_ADVINFO_CHANGED | AC_SCSI_AEN | AC_UNIT_ATTENTION,
2244             daasync, periph, periph->path);
2245
2246         /*
2247          * Emit an attribute changed notification just in case
2248          * physical path information arrived before our async
2249          * event handler was registered, but after anyone attaching
2250          * to our disk device polled it.
2251          */
2252         disk_attr_changed(softc->disk, "GEOM::physpath", M_NOWAIT);
2253
2254         /*
2255          * Schedule a periodic media polling events.
2256          */
2257         callout_init_mtx(&softc->mediapoll_c, cam_periph_mtx(periph), 0);
2258         if ((softc->flags & DA_FLAG_PACK_REMOVABLE) &&
2259             (cgd->inq_flags & SID_AEN) == 0 &&
2260             da_poll_period != 0)
2261                 callout_reset(&softc->mediapoll_c, da_poll_period * hz,
2262                     damediapoll, periph);
2263
2264         xpt_schedule(periph, CAM_PRIORITY_DEV);
2265
2266         return(CAM_REQ_CMP);
2267 }
2268
2269 static void
2270 dastart(struct cam_periph *periph, union ccb *start_ccb)
2271 {
2272         struct da_softc *softc;
2273
2274         softc = (struct da_softc *)periph->softc;
2275
2276         CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dastart\n"));
2277
2278 skipstate:
2279         switch (softc->state) {
2280         case DA_STATE_NORMAL:
2281         {
2282                 struct bio *bp;
2283                 uint8_t tag_code;
2284
2285                 /* Run BIO_DELETE if not running yet. */
2286                 if (!softc->delete_running &&
2287                     (bp = bioq_first(&softc->delete_queue)) != NULL) {
2288                         if (softc->delete_func != NULL) {
2289                                 softc->delete_func(periph, start_ccb, bp);
2290                                 goto out;
2291                         } else {
2292                                 bioq_flush(&softc->delete_queue, NULL, 0);
2293                                 /* FALLTHROUGH */
2294                         }
2295                 }
2296
2297                 /* Run regular command. */
2298                 bp = bioq_takefirst(&softc->bio_queue);
2299                 if (bp == NULL) {
2300                         if (softc->tur) {
2301                                 softc->tur = 0;
2302                                 scsi_test_unit_ready(&start_ccb->csio,
2303                                      /*retries*/ da_retry_count,
2304                                      dadone,
2305                                      MSG_SIMPLE_Q_TAG,
2306                                      SSD_FULL_SIZE,
2307                                      da_default_timeout * 1000);
2308                                 start_ccb->ccb_h.ccb_bp = NULL;
2309                                 start_ccb->ccb_h.ccb_state = DA_CCB_TUR;
2310                                 xpt_action(start_ccb);
2311                         } else
2312                                 xpt_release_ccb(start_ccb);
2313                         break;
2314                 }
2315                 if (softc->tur) {
2316                         softc->tur = 0;
2317                         cam_periph_release_locked(periph);
2318                 }
2319
2320                 if ((bp->bio_flags & BIO_ORDERED) != 0 ||
2321                     (softc->flags & DA_FLAG_NEED_OTAG) != 0) {
2322                         softc->flags &= ~DA_FLAG_NEED_OTAG;
2323                         softc->flags |= DA_FLAG_WAS_OTAG;
2324                         tag_code = MSG_ORDERED_Q_TAG;
2325                 } else {
2326                         tag_code = MSG_SIMPLE_Q_TAG;
2327                 }
2328
2329                 switch (bp->bio_cmd) {
2330                 case BIO_WRITE:
2331                 case BIO_READ:
2332                 {
2333                         void *data_ptr;
2334                         int rw_op;
2335
2336                         if (bp->bio_cmd == BIO_WRITE) {
2337                                 softc->flags |= DA_FLAG_DIRTY;
2338                                 rw_op = SCSI_RW_WRITE;
2339                         } else {
2340                                 rw_op = SCSI_RW_READ;
2341                         }
2342
2343                         data_ptr = bp->bio_data;
2344                         if ((bp->bio_flags & (BIO_UNMAPPED|BIO_VLIST)) != 0) {
2345                                 rw_op |= SCSI_RW_BIO;
2346                                 data_ptr = bp;
2347                         }
2348
2349                         scsi_read_write(&start_ccb->csio,
2350                                         /*retries*/da_retry_count,
2351                                         /*cbfcnp*/dadone,
2352                                         /*tag_action*/tag_code,
2353                                         rw_op,
2354                                         /*byte2*/0,
2355                                         softc->minimum_cmd_size,
2356                                         /*lba*/bp->bio_pblkno,
2357                                         /*block_count*/bp->bio_bcount /
2358                                         softc->params.secsize,
2359                                         data_ptr,
2360                                         /*dxfer_len*/ bp->bio_bcount,
2361                                         /*sense_len*/SSD_FULL_SIZE,
2362                                         da_default_timeout * 1000);
2363                         break;
2364                 }
2365                 case BIO_FLUSH:
2366                         /*
2367                          * BIO_FLUSH doesn't currently communicate
2368                          * range data, so we synchronize the cache
2369                          * over the whole disk.  We also force
2370                          * ordered tag semantics the flush applies
2371                          * to all previously queued I/O.
2372                          */
2373                         scsi_synchronize_cache(&start_ccb->csio,
2374                                                /*retries*/1,
2375                                                /*cbfcnp*/dadone,
2376                                                MSG_ORDERED_Q_TAG,
2377                                                /*begin_lba*/0,
2378                                                /*lb_count*/0,
2379                                                SSD_FULL_SIZE,
2380                                                da_default_timeout*1000);
2381                         break;
2382                 }
2383                 start_ccb->ccb_h.ccb_state = DA_CCB_BUFFER_IO;
2384                 start_ccb->ccb_h.flags |= CAM_UNLOCKED;
2385
2386 out:
2387                 LIST_INSERT_HEAD(&softc->pending_ccbs,
2388                                  &start_ccb->ccb_h, periph_links.le);
2389
2390                 /* We expect a unit attention from this device */
2391                 if ((softc->flags & DA_FLAG_RETRY_UA) != 0) {
2392                         start_ccb->ccb_h.ccb_state |= DA_CCB_RETRY_UA;
2393                         softc->flags &= ~DA_FLAG_RETRY_UA;
2394                 }
2395
2396                 start_ccb->ccb_h.ccb_bp = bp;
2397                 softc->refcount++;
2398                 cam_periph_unlock(periph);
2399                 xpt_action(start_ccb);
2400                 cam_periph_lock(periph);
2401                 softc->refcount--;
2402
2403                 /* May have more work to do, so ensure we stay scheduled */
2404                 daschedule(periph);
2405                 break;
2406         }
2407         case DA_STATE_PROBE_RC:
2408         {
2409                 struct scsi_read_capacity_data *rcap;
2410
2411                 rcap = (struct scsi_read_capacity_data *)
2412                     malloc(sizeof(*rcap), M_SCSIDA, M_NOWAIT|M_ZERO);
2413                 if (rcap == NULL) {
2414                         printf("dastart: Couldn't malloc read_capacity data\n");
2415                         /* da_free_periph??? */
2416                         break;
2417                 }
2418                 scsi_read_capacity(&start_ccb->csio,
2419                                    /*retries*/da_retry_count,
2420                                    dadone,
2421                                    MSG_SIMPLE_Q_TAG,
2422                                    rcap,
2423                                    SSD_FULL_SIZE,
2424                                    /*timeout*/5000);
2425                 start_ccb->ccb_h.ccb_bp = NULL;
2426                 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_RC;
2427                 xpt_action(start_ccb);
2428                 break;
2429         }
2430         case DA_STATE_PROBE_RC16:
2431         {
2432                 struct scsi_read_capacity_data_long *rcaplong;
2433
2434                 rcaplong = (struct scsi_read_capacity_data_long *)
2435                         malloc(sizeof(*rcaplong), M_SCSIDA, M_NOWAIT|M_ZERO);
2436                 if (rcaplong == NULL) {
2437                         printf("dastart: Couldn't malloc read_capacity data\n");
2438                         /* da_free_periph??? */
2439                         break;
2440                 }
2441                 scsi_read_capacity_16(&start_ccb->csio,
2442                                       /*retries*/ da_retry_count,
2443                                       /*cbfcnp*/ dadone,
2444                                       /*tag_action*/ MSG_SIMPLE_Q_TAG,
2445                                       /*lba*/ 0,
2446                                       /*reladr*/ 0,
2447                                       /*pmi*/ 0,
2448                                       /*rcap_buf*/ (uint8_t *)rcaplong,
2449                                       /*rcap_buf_len*/ sizeof(*rcaplong),
2450                                       /*sense_len*/ SSD_FULL_SIZE,
2451                                       /*timeout*/ da_default_timeout * 1000);
2452                 start_ccb->ccb_h.ccb_bp = NULL;
2453                 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_RC16;
2454                 xpt_action(start_ccb);
2455                 break;
2456         }
2457         case DA_STATE_PROBE_LBP:
2458         {
2459                 struct scsi_vpd_logical_block_prov *lbp;
2460
2461                 if (!scsi_vpd_supported_page(periph, SVPD_LBP)) {
2462                         /*
2463                          * If we get here we don't support any SBC-3 delete
2464                          * methods with UNMAP as the Logical Block Provisioning
2465                          * VPD page support is required for devices which
2466                          * support it according to T10/1799-D Revision 31
2467                          * however older revisions of the spec don't mandate
2468                          * this so we currently don't remove these methods
2469                          * from the available set.
2470                          */
2471                         softc->state = DA_STATE_PROBE_BLK_LIMITS;
2472                         goto skipstate;
2473                 }
2474
2475                 lbp = (struct scsi_vpd_logical_block_prov *)
2476                         malloc(sizeof(*lbp), M_SCSIDA, M_NOWAIT|M_ZERO);
2477
2478                 if (lbp == NULL) {
2479                         printf("dastart: Couldn't malloc lbp data\n");
2480                         /* da_free_periph??? */
2481                         break;
2482                 }
2483
2484                 scsi_inquiry(&start_ccb->csio,
2485                              /*retries*/da_retry_count,
2486                              /*cbfcnp*/dadone,
2487                              /*tag_action*/MSG_SIMPLE_Q_TAG,
2488                              /*inq_buf*/(u_int8_t *)lbp,
2489                              /*inq_len*/sizeof(*lbp),
2490                              /*evpd*/TRUE,
2491                              /*page_code*/SVPD_LBP,
2492                              /*sense_len*/SSD_MIN_SIZE,
2493                              /*timeout*/da_default_timeout * 1000);
2494                 start_ccb->ccb_h.ccb_bp = NULL;
2495                 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_LBP;
2496                 xpt_action(start_ccb);
2497                 break;
2498         }
2499         case DA_STATE_PROBE_BLK_LIMITS:
2500         {
2501                 struct scsi_vpd_block_limits *block_limits;
2502
2503                 if (!scsi_vpd_supported_page(periph, SVPD_BLOCK_LIMITS)) {
2504                         /* Not supported skip to next probe */
2505                         softc->state = DA_STATE_PROBE_BDC;
2506                         goto skipstate;
2507                 }
2508
2509                 block_limits = (struct scsi_vpd_block_limits *)
2510                         malloc(sizeof(*block_limits), M_SCSIDA, M_NOWAIT|M_ZERO);
2511
2512                 if (block_limits == NULL) {
2513                         printf("dastart: Couldn't malloc block_limits data\n");
2514                         /* da_free_periph??? */
2515                         break;
2516                 }
2517
2518                 scsi_inquiry(&start_ccb->csio,
2519                              /*retries*/da_retry_count,
2520                              /*cbfcnp*/dadone,
2521                              /*tag_action*/MSG_SIMPLE_Q_TAG,
2522                              /*inq_buf*/(u_int8_t *)block_limits,
2523                              /*inq_len*/sizeof(*block_limits),
2524                              /*evpd*/TRUE,
2525                              /*page_code*/SVPD_BLOCK_LIMITS,
2526                              /*sense_len*/SSD_MIN_SIZE,
2527                              /*timeout*/da_default_timeout * 1000);
2528                 start_ccb->ccb_h.ccb_bp = NULL;
2529                 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_BLK_LIMITS;
2530                 xpt_action(start_ccb);
2531                 break;
2532         }
2533         case DA_STATE_PROBE_BDC:
2534         {
2535                 struct scsi_vpd_block_characteristics *bdc;
2536
2537                 if (!scsi_vpd_supported_page(periph, SVPD_BDC)) {
2538                         softc->state = DA_STATE_PROBE_ATA;
2539                         goto skipstate;
2540                 }
2541
2542                 bdc = (struct scsi_vpd_block_characteristics *)
2543                         malloc(sizeof(*bdc), M_SCSIDA, M_NOWAIT|M_ZERO);
2544
2545                 if (bdc == NULL) {
2546                         printf("dastart: Couldn't malloc bdc data\n");
2547                         /* da_free_periph??? */
2548                         break;
2549                 }
2550
2551                 scsi_inquiry(&start_ccb->csio,
2552                              /*retries*/da_retry_count,
2553                              /*cbfcnp*/dadone,
2554                              /*tag_action*/MSG_SIMPLE_Q_TAG,
2555                              /*inq_buf*/(u_int8_t *)bdc,
2556                              /*inq_len*/sizeof(*bdc),
2557                              /*evpd*/TRUE,
2558                              /*page_code*/SVPD_BDC,
2559                              /*sense_len*/SSD_MIN_SIZE,
2560                              /*timeout*/da_default_timeout * 1000);
2561                 start_ccb->ccb_h.ccb_bp = NULL;
2562                 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_BDC;
2563                 xpt_action(start_ccb);
2564                 break;
2565         }
2566         case DA_STATE_PROBE_ATA:
2567         {
2568                 struct ata_params *ata_params;
2569
2570                 if (!scsi_vpd_supported_page(periph, SVPD_ATA_INFORMATION)) {
2571                         daprobedone(periph, start_ccb);
2572                         break;
2573                 }
2574
2575                 ata_params = (struct ata_params*)
2576                         malloc(sizeof(*ata_params), M_SCSIDA, M_NOWAIT|M_ZERO);
2577
2578                 if (ata_params == NULL) {
2579                         printf("dastart: Couldn't malloc ata_params data\n");
2580                         /* da_free_periph??? */
2581                         break;
2582                 }
2583
2584                 scsi_ata_identify(&start_ccb->csio,
2585                                   /*retries*/da_retry_count,
2586                                   /*cbfcnp*/dadone,
2587                                   /*tag_action*/MSG_SIMPLE_Q_TAG,
2588                                   /*data_ptr*/(u_int8_t *)ata_params,
2589                                   /*dxfer_len*/sizeof(*ata_params),
2590                                   /*sense_len*/SSD_FULL_SIZE,
2591                                   /*timeout*/da_default_timeout * 1000);
2592                 start_ccb->ccb_h.ccb_bp = NULL;
2593                 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_ATA;
2594                 xpt_action(start_ccb);
2595                 break;
2596         }
2597         }
2598 }
2599
2600 /*
2601  * In each of the methods below, while its the caller's
2602  * responsibility to ensure the request will fit into a
2603  * single device request, we might have changed the delete
2604  * method due to the device incorrectly advertising either
2605  * its supported methods or limits.
2606  *
2607  * To prevent this causing further issues we validate the
2608  * against the methods limits, and warn which would
2609  * otherwise be unnecessary.
2610  */
2611 static void
2612 da_delete_unmap(struct cam_periph *periph, union ccb *ccb, struct bio *bp)
2613 {
2614         struct da_softc *softc = (struct da_softc *)periph->softc;;
2615         struct bio *bp1;
2616         uint8_t *buf = softc->unmap_buf;
2617         uint64_t lba, lastlba = (uint64_t)-1;
2618         uint64_t totalcount = 0;
2619         uint64_t count;
2620         uint32_t lastcount = 0, c;
2621         uint32_t off, ranges = 0;
2622
2623         /*
2624          * Currently this doesn't take the UNMAP
2625          * Granularity and Granularity Alignment
2626          * fields into account.
2627          *
2628          * This could result in both unoptimal unmap
2629          * requests as as well as UNMAP calls unmapping
2630          * fewer LBA's than requested.
2631          */
2632
2633         softc->delete_running = 1;
2634         bzero(softc->unmap_buf, sizeof(softc->unmap_buf));
2635         bp1 = bp;
2636         do {
2637                 bioq_remove(&softc->delete_queue, bp1);
2638                 if (bp1 != bp)
2639                         bioq_insert_tail(&softc->delete_run_queue, bp1);
2640                 lba = bp1->bio_pblkno;
2641                 count = bp1->bio_bcount / softc->params.secsize;
2642
2643                 /* Try to extend the previous range. */
2644                 if (lba == lastlba) {
2645                         c = omin(count, UNMAP_RANGE_MAX - lastcount);
2646                         lastcount += c;
2647                         off = ((ranges - 1) * UNMAP_RANGE_SIZE) +
2648                               UNMAP_HEAD_SIZE;
2649                         scsi_ulto4b(lastcount, &buf[off + 8]);
2650                         count -= c;
2651                         lba +=c;
2652                         totalcount += c;
2653                 }
2654
2655                 while (count > 0) {
2656                         c = omin(count, UNMAP_RANGE_MAX);
2657                         if (totalcount + c > softc->unmap_max_lba ||
2658                             ranges >= softc->unmap_max_ranges) {
2659                                 xpt_print(periph->path,
2660                                     "%s issuing short delete %ld > %ld"
2661                                     "|| %d >= %d",
2662                                     da_delete_method_desc[softc->delete_method],
2663                                     totalcount + c, softc->unmap_max_lba,
2664                                     ranges, softc->unmap_max_ranges);
2665                                 break;
2666                         }
2667                         off = (ranges * UNMAP_RANGE_SIZE) + UNMAP_HEAD_SIZE;
2668                         scsi_u64to8b(lba, &buf[off + 0]);
2669                         scsi_ulto4b(c, &buf[off + 8]);
2670                         lba += c;
2671                         totalcount += c;
2672                         ranges++;
2673                         count -= c;
2674                         lastcount = c;
2675                 }
2676                 lastlba = lba;
2677                 bp1 = bioq_first(&softc->delete_queue);
2678                 if (bp1 == NULL || ranges >= softc->unmap_max_ranges ||
2679                     totalcount + bp1->bio_bcount /
2680                     softc->params.secsize > softc->unmap_max_lba)
2681                         break;
2682         } while (1);
2683         scsi_ulto2b(ranges * 16 + 6, &buf[0]);
2684         scsi_ulto2b(ranges * 16, &buf[2]);
2685
2686         scsi_unmap(&ccb->csio,
2687                    /*retries*/da_retry_count,
2688                    /*cbfcnp*/dadone,
2689                    /*tag_action*/MSG_SIMPLE_Q_TAG,
2690                    /*byte2*/0,
2691                    /*data_ptr*/ buf,
2692                    /*dxfer_len*/ ranges * 16 + 8,
2693                    /*sense_len*/SSD_FULL_SIZE,
2694                    da_default_timeout * 1000);
2695         ccb->ccb_h.ccb_state = DA_CCB_DELETE;
2696         ccb->ccb_h.flags |= CAM_UNLOCKED;
2697 }
2698
2699 static void
2700 da_delete_trim(struct cam_periph *periph, union ccb *ccb, struct bio *bp)
2701 {
2702         struct da_softc *softc = (struct da_softc *)periph->softc;
2703         struct bio *bp1;
2704         uint8_t *buf = softc->unmap_buf;
2705         uint64_t lastlba = (uint64_t)-1;
2706         uint64_t count;
2707         uint64_t lba;
2708         uint32_t lastcount = 0, c, requestcount;
2709         int ranges = 0, off, block_count;
2710
2711         softc->delete_running = 1;
2712         bzero(softc->unmap_buf, sizeof(softc->unmap_buf));
2713         bp1 = bp;
2714         do {
2715                 bioq_remove(&softc->delete_queue, bp1);
2716                 if (bp1 != bp)
2717                         bioq_insert_tail(&softc->delete_run_queue, bp1);
2718                 lba = bp1->bio_pblkno;
2719                 count = bp1->bio_bcount / softc->params.secsize;
2720                 requestcount = count;
2721
2722                 /* Try to extend the previous range. */
2723                 if (lba == lastlba) {
2724                         c = omin(count, ATA_DSM_RANGE_MAX - lastcount);
2725                         lastcount += c;
2726                         off = (ranges - 1) * 8;
2727                         buf[off + 6] = lastcount & 0xff;
2728                         buf[off + 7] = (lastcount >> 8) & 0xff;
2729                         count -= c;
2730                         lba += c;
2731                 }
2732
2733                 while (count > 0) {
2734                         c = omin(count, ATA_DSM_RANGE_MAX);
2735                         off = ranges * 8;
2736
2737                         buf[off + 0] = lba & 0xff;
2738                         buf[off + 1] = (lba >> 8) & 0xff;
2739                         buf[off + 2] = (lba >> 16) & 0xff;
2740                         buf[off + 3] = (lba >> 24) & 0xff;
2741                         buf[off + 4] = (lba >> 32) & 0xff;
2742                         buf[off + 5] = (lba >> 40) & 0xff;
2743                         buf[off + 6] = c & 0xff;
2744                         buf[off + 7] = (c >> 8) & 0xff;
2745                         lba += c;
2746                         ranges++;
2747                         count -= c;
2748                         lastcount = c;
2749                         if (count != 0 && ranges == softc->trim_max_ranges) {
2750                                 xpt_print(periph->path,
2751                                     "%s issuing short delete %ld > %ld\n",
2752                                     da_delete_method_desc[softc->delete_method],
2753                                     requestcount,
2754                                     (softc->trim_max_ranges - ranges) *
2755                                     ATA_DSM_RANGE_MAX);
2756                                 break;
2757                         }
2758                 }
2759                 lastlba = lba;
2760                 bp1 = bioq_first(&softc->delete_queue);
2761                 if (bp1 == NULL || bp1->bio_bcount / softc->params.secsize >
2762                     (softc->trim_max_ranges - ranges) * ATA_DSM_RANGE_MAX)
2763                         break;
2764         } while (1);
2765
2766         block_count = (ranges + ATA_DSM_BLK_RANGES - 1) / ATA_DSM_BLK_RANGES;
2767         scsi_ata_trim(&ccb->csio,
2768                       /*retries*/da_retry_count,
2769                       /*cbfcnp*/dadone,
2770                       /*tag_action*/MSG_SIMPLE_Q_TAG,
2771                       block_count,
2772                       /*data_ptr*/buf,
2773                       /*dxfer_len*/block_count * ATA_DSM_BLK_SIZE,
2774                       /*sense_len*/SSD_FULL_SIZE,
2775                       da_default_timeout * 1000);
2776         ccb->ccb_h.ccb_state = DA_CCB_DELETE;
2777         ccb->ccb_h.flags |= CAM_UNLOCKED;
2778 }
2779
2780 /*
2781  * We calculate ws_max_blks here based off d_delmaxsize instead
2782  * of using softc->ws_max_blks as it is absolute max for the
2783  * device not the protocol max which may well be lower.
2784  */
2785 static void
2786 da_delete_ws(struct cam_periph *periph, union ccb *ccb, struct bio *bp)
2787 {
2788         struct da_softc *softc;
2789         struct bio *bp1;
2790         uint64_t ws_max_blks;
2791         uint64_t lba;
2792         uint64_t count; /* forward compat with WS32 */
2793
2794         softc = (struct da_softc *)periph->softc;
2795         ws_max_blks = softc->disk->d_delmaxsize / softc->params.secsize;
2796         softc->delete_running = 1;
2797         lba = bp->bio_pblkno;
2798         count = 0;
2799         bp1 = bp;
2800         do {
2801                 bioq_remove(&softc->delete_queue, bp1);
2802                 if (bp1 != bp)
2803                         bioq_insert_tail(&softc->delete_run_queue, bp1);
2804                 count += bp1->bio_bcount / softc->params.secsize;
2805                 if (count > ws_max_blks) {
2806                         xpt_print(periph->path,
2807                             "%s issuing short delete %ld > %ld\n",
2808                             da_delete_method_desc[softc->delete_method],
2809                             count, ws_max_blks);
2810                         count = omin(count, ws_max_blks);
2811                         break;
2812                 }
2813                 bp1 = bioq_first(&softc->delete_queue);
2814                 if (bp1 == NULL || lba + count != bp1->bio_pblkno ||
2815                     count + bp1->bio_bcount /
2816                     softc->params.secsize > ws_max_blks)
2817                         break;
2818         } while (1);
2819
2820         scsi_write_same(&ccb->csio,
2821                         /*retries*/da_retry_count,
2822                         /*cbfcnp*/dadone,
2823                         /*tag_action*/MSG_SIMPLE_Q_TAG,
2824                         /*byte2*/softc->delete_method ==
2825                             DA_DELETE_ZERO ? 0 : SWS_UNMAP,
2826                         softc->delete_method == DA_DELETE_WS16 ? 16 : 10,
2827                         /*lba*/lba,
2828                         /*block_count*/count,
2829                         /*data_ptr*/ __DECONST(void *, zero_region),
2830                         /*dxfer_len*/ softc->params.secsize,
2831                         /*sense_len*/SSD_FULL_SIZE,
2832                         da_default_timeout * 1000);
2833         ccb->ccb_h.ccb_state = DA_CCB_DELETE;
2834         ccb->ccb_h.flags |= CAM_UNLOCKED;
2835 }
2836
2837 static int
2838 cmd6workaround(union ccb *ccb)
2839 {
2840         struct scsi_rw_6 cmd6;
2841         struct scsi_rw_10 *cmd10;
2842         struct da_softc *softc;
2843         u_int8_t *cdb;
2844         struct bio *bp;
2845         int frozen;
2846
2847         cdb = ccb->csio.cdb_io.cdb_bytes;
2848         softc = (struct da_softc *)xpt_path_periph(ccb->ccb_h.path)->softc;
2849
2850         if (ccb->ccb_h.ccb_state == DA_CCB_DELETE) {
2851                 da_delete_methods old_method = softc->delete_method;
2852
2853                 /*
2854                  * Typically there are two reasons for failure here
2855                  * 1. Delete method was detected as supported but isn't
2856                  * 2. Delete failed due to invalid params e.g. too big
2857                  *
2858                  * While we will attempt to choose an alternative delete method
2859                  * this may result in short deletes if the existing delete
2860                  * requests from geom are big for the new method choosen.
2861                  *
2862                  * This method assumes that the error which triggered this
2863                  * will not retry the io otherwise a panic will occur
2864                  */
2865                 dadeleteflag(softc, old_method, 0);
2866                 dadeletemethodchoose(softc, DA_DELETE_DISABLE);
2867                 if (softc->delete_method == DA_DELETE_DISABLE)
2868                         xpt_print(ccb->ccb_h.path,
2869                                   "%s failed, disabling BIO_DELETE\n",
2870                                   da_delete_method_desc[old_method]);
2871                 else
2872                         xpt_print(ccb->ccb_h.path,
2873                                   "%s failed, switching to %s BIO_DELETE\n",
2874                                   da_delete_method_desc[old_method],
2875                                   da_delete_method_desc[softc->delete_method]);
2876
2877                 while ((bp = bioq_takefirst(&softc->delete_run_queue)) != NULL)
2878                         bioq_disksort(&softc->delete_queue, bp);
2879                 bioq_disksort(&softc->delete_queue,
2880                     (struct bio *)ccb->ccb_h.ccb_bp);
2881                 ccb->ccb_h.ccb_bp = NULL;
2882                 return (0);
2883         }
2884
2885         /* Detect unsupported PREVENT ALLOW MEDIUM REMOVAL. */
2886         if ((ccb->ccb_h.flags & CAM_CDB_POINTER) == 0 &&
2887             (*cdb == PREVENT_ALLOW) &&
2888             (softc->quirks & DA_Q_NO_PREVENT) == 0) {
2889                 if (bootverbose)
2890                         xpt_print(ccb->ccb_h.path,
2891                             "PREVENT ALLOW MEDIUM REMOVAL not supported.\n");
2892                 softc->quirks |= DA_Q_NO_PREVENT;
2893                 return (0);
2894         }
2895
2896         /* Detect unsupported SYNCHRONIZE CACHE(10). */
2897         if ((ccb->ccb_h.flags & CAM_CDB_POINTER) == 0 &&
2898             (*cdb == SYNCHRONIZE_CACHE) &&
2899             (softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) {
2900                 if (bootverbose)
2901                         xpt_print(ccb->ccb_h.path,
2902                             "SYNCHRONIZE CACHE(10) not supported.\n");
2903                 softc->quirks |= DA_Q_NO_SYNC_CACHE;
2904                 softc->disk->d_flags &= ~DISKFLAG_CANFLUSHCACHE;
2905                 return (0);
2906         }
2907
2908         /* Translation only possible if CDB is an array and cmd is R/W6 */
2909         if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0 ||
2910             (*cdb != READ_6 && *cdb != WRITE_6))
2911                 return 0;
2912
2913         xpt_print(ccb->ccb_h.path, "READ(6)/WRITE(6) not supported, "
2914             "increasing minimum_cmd_size to 10.\n");
2915         softc->minimum_cmd_size = 10;
2916
2917         bcopy(cdb, &cmd6, sizeof(struct scsi_rw_6));
2918         cmd10 = (struct scsi_rw_10 *)cdb;
2919         cmd10->opcode = (cmd6.opcode == READ_6) ? READ_10 : WRITE_10;
2920         cmd10->byte2 = 0;
2921         scsi_ulto4b(scsi_3btoul(cmd6.addr), cmd10->addr);
2922         cmd10->reserved = 0;
2923         scsi_ulto2b(cmd6.length, cmd10->length);
2924         cmd10->control = cmd6.control;
2925         ccb->csio.cdb_len = sizeof(*cmd10);
2926
2927         /* Requeue request, unfreezing queue if necessary */
2928         frozen = (ccb->ccb_h.status & CAM_DEV_QFRZN) != 0;
2929         ccb->ccb_h.status = CAM_REQUEUE_REQ;
2930         xpt_action(ccb);
2931         if (frozen) {
2932                 cam_release_devq(ccb->ccb_h.path,
2933                                  /*relsim_flags*/0,
2934                                  /*reduction*/0,
2935                                  /*timeout*/0,
2936                                  /*getcount_only*/0);
2937         }
2938         return (ERESTART);
2939 }
2940
2941 static void
2942 dadone(struct cam_periph *periph, union ccb *done_ccb)
2943 {
2944         struct da_softc *softc;
2945         struct ccb_scsiio *csio;
2946         u_int32_t  priority;
2947         da_ccb_state state;
2948
2949         softc = (struct da_softc *)periph->softc;
2950         priority = done_ccb->ccb_h.pinfo.priority;
2951
2952         CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone\n"));
2953
2954         csio = &done_ccb->csio;
2955         state = csio->ccb_h.ccb_state & DA_CCB_TYPE_MASK;
2956         switch (state) {
2957         case DA_CCB_BUFFER_IO:
2958         case DA_CCB_DELETE:
2959         {
2960                 struct bio *bp, *bp1;
2961
2962                 cam_periph_lock(periph);
2963                 bp = (struct bio *)done_ccb->ccb_h.ccb_bp;
2964                 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
2965                         int error;
2966                         int sf;
2967
2968                         if ((csio->ccb_h.ccb_state & DA_CCB_RETRY_UA) != 0)
2969                                 sf = SF_RETRY_UA;
2970                         else
2971                                 sf = 0;
2972
2973                         error = daerror(done_ccb, CAM_RETRY_SELTO, sf);
2974                         if (error == ERESTART) {
2975                                 /*
2976                                  * A retry was scheduled, so
2977                                  * just return.
2978                                  */
2979                                 cam_periph_unlock(periph);
2980                                 return;
2981                         }
2982                         bp = (struct bio *)done_ccb->ccb_h.ccb_bp;
2983                         if (error != 0) {
2984                                 int queued_error;
2985
2986                                 /*
2987                                  * return all queued I/O with EIO, so that
2988                                  * the client can retry these I/Os in the
2989                                  * proper order should it attempt to recover.
2990                                  */
2991                                 queued_error = EIO;
2992
2993                                 if (error == ENXIO
2994                                  && (softc->flags & DA_FLAG_PACK_INVALID)== 0) {
2995                                         /*
2996                                          * Catastrophic error.  Mark our pack as
2997                                          * invalid.
2998                                          */
2999                                         /*
3000                                          * XXX See if this is really a media
3001                                          * XXX change first?
3002                                          */
3003                                         xpt_print(periph->path,
3004                                             "Invalidating pack\n");
3005                                         softc->flags |= DA_FLAG_PACK_INVALID;
3006                                         queued_error = ENXIO;
3007                                 }
3008                                 bioq_flush(&softc->bio_queue, NULL,
3009                                            queued_error);
3010                                 if (bp != NULL) {
3011                                         bp->bio_error = error;
3012                                         bp->bio_resid = bp->bio_bcount;
3013                                         bp->bio_flags |= BIO_ERROR;
3014                                 }
3015                         } else if (bp != NULL) {
3016                                 if (state == DA_CCB_DELETE)
3017                                         bp->bio_resid = 0;
3018                                 else
3019                                         bp->bio_resid = csio->resid;
3020                                 bp->bio_error = 0;
3021                                 if (bp->bio_resid != 0)
3022                                         bp->bio_flags |= BIO_ERROR;
3023                         }
3024                         if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
3025                                 cam_release_devq(done_ccb->ccb_h.path,
3026                                                  /*relsim_flags*/0,
3027                                                  /*reduction*/0,
3028                                                  /*timeout*/0,
3029                                                  /*getcount_only*/0);
3030                 } else if (bp != NULL) {
3031                         if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
3032                                 panic("REQ_CMP with QFRZN");
3033                         if (state == DA_CCB_DELETE)
3034                                 bp->bio_resid = 0;
3035                         else
3036                                 bp->bio_resid = csio->resid;
3037                         if (csio->resid > 0)
3038                                 bp->bio_flags |= BIO_ERROR;
3039                         if (softc->error_inject != 0) {
3040                                 bp->bio_error = softc->error_inject;
3041                                 bp->bio_resid = bp->bio_bcount;
3042                                 bp->bio_flags |= BIO_ERROR;
3043                                 softc->error_inject = 0;
3044                         }
3045                 }
3046
3047                 LIST_REMOVE(&done_ccb->ccb_h, periph_links.le);
3048                 if (LIST_EMPTY(&softc->pending_ccbs))
3049                         softc->flags |= DA_FLAG_WAS_OTAG;
3050
3051                 xpt_release_ccb(done_ccb);
3052                 if (state == DA_CCB_DELETE) {
3053                         TAILQ_HEAD(, bio) queue;
3054
3055                         TAILQ_INIT(&queue);
3056                         TAILQ_CONCAT(&queue, &softc->delete_run_queue.queue, bio_queue);
3057                         softc->delete_run_queue.insert_point = NULL;
3058                         /*
3059                          * Normally, the xpt_release_ccb() above would make sure
3060                          * that when we have more work to do, that work would
3061                          * get kicked off. However, we specifically keep
3062                          * delete_running set to 0 before the call above to
3063                          * allow other I/O to progress when many BIO_DELETE
3064                          * requests are pushed down. We set delete_running to 0
3065                          * and call daschedule again so that we don't stall if
3066                          * there are no other I/Os pending apart from BIO_DELETEs.
3067                          */
3068                         softc->delete_running = 0;
3069                         daschedule(periph);
3070                         cam_periph_unlock(periph);
3071                         while ((bp1 = TAILQ_FIRST(&queue)) != NULL) {
3072                                 TAILQ_REMOVE(&queue, bp1, bio_queue);
3073                                 bp1->bio_error = bp->bio_error;
3074                                 if (bp->bio_flags & BIO_ERROR) {
3075                                         bp1->bio_flags |= BIO_ERROR;
3076                                         bp1->bio_resid = bp1->bio_bcount;
3077                                 } else
3078                                         bp1->bio_resid = 0;
3079                                 biodone(bp1);
3080                         }
3081                 } else
3082                         cam_periph_unlock(periph);
3083                 if (bp != NULL)
3084                         biodone(bp);
3085                 return;
3086         }
3087         case DA_CCB_PROBE_RC:
3088         case DA_CCB_PROBE_RC16:
3089         {
3090                 struct     scsi_read_capacity_data *rdcap;
3091                 struct     scsi_read_capacity_data_long *rcaplong;
3092                 char       announce_buf[80];
3093                 int        lbp;
3094
3095                 lbp = 0;
3096                 rdcap = NULL;
3097                 rcaplong = NULL;
3098                 if (state == DA_CCB_PROBE_RC)
3099                         rdcap =(struct scsi_read_capacity_data *)csio->data_ptr;
3100                 else
3101                         rcaplong = (struct scsi_read_capacity_data_long *)
3102                                 csio->data_ptr;
3103
3104                 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
3105                         struct disk_params *dp;
3106                         uint32_t block_size;
3107                         uint64_t maxsector;
3108                         u_int lalba;    /* Lowest aligned LBA. */
3109
3110                         if (state == DA_CCB_PROBE_RC) {
3111                                 block_size = scsi_4btoul(rdcap->length);
3112                                 maxsector = scsi_4btoul(rdcap->addr);
3113                                 lalba = 0;
3114
3115                                 /*
3116                                  * According to SBC-2, if the standard 10
3117                                  * byte READ CAPACITY command returns 2^32,
3118                                  * we should issue the 16 byte version of
3119                                  * the command, since the device in question
3120                                  * has more sectors than can be represented
3121                                  * with the short version of the command.
3122                                  */
3123                                 if (maxsector == 0xffffffff) {
3124                                         free(rdcap, M_SCSIDA);
3125                                         xpt_release_ccb(done_ccb);
3126                                         softc->state = DA_STATE_PROBE_RC16;
3127                                         xpt_schedule(periph, priority);
3128                                         return;
3129                                 }
3130                         } else {
3131                                 block_size = scsi_4btoul(rcaplong->length);
3132                                 maxsector = scsi_8btou64(rcaplong->addr);
3133                                 lalba = scsi_2btoul(rcaplong->lalba_lbp);
3134                         }
3135
3136                         /*
3137                          * Because GEOM code just will panic us if we
3138                          * give them an 'illegal' value we'll avoid that
3139                          * here.
3140                          */
3141                         if (block_size == 0) {
3142                                 block_size = 512;
3143                                 if (maxsector == 0)
3144                                         maxsector = -1;
3145                         }
3146                         if (block_size >= MAXPHYS) {
3147                                 xpt_print(periph->path,
3148                                     "unsupportable block size %ju\n",
3149                                     (uintmax_t) block_size);
3150                                 announce_buf[0] = '\0';
3151                                 cam_periph_invalidate(periph);
3152                         } else {
3153                                 /*
3154                                  * We pass rcaplong into dasetgeom(),
3155                                  * because it will only use it if it is
3156                                  * non-NULL.
3157                                  */
3158                                 dasetgeom(periph, block_size, maxsector,
3159                                           rcaplong, sizeof(*rcaplong));
3160                                 lbp = (lalba & SRC16_LBPME_A);
3161                                 dp = &softc->params;
3162                                 snprintf(announce_buf, sizeof(announce_buf),
3163                                     "%juMB (%ju %u byte sectors)",
3164                                     ((uintmax_t)dp->secsize * dp->sectors) /
3165                                      (1024 * 1024),
3166                                     (uintmax_t)dp->sectors, dp->secsize);
3167                         }
3168                 } else {
3169                         int     error;
3170
3171                         announce_buf[0] = '\0';
3172
3173                         /*
3174                          * Retry any UNIT ATTENTION type errors.  They
3175                          * are expected at boot.
3176                          */
3177                         error = daerror(done_ccb, CAM_RETRY_SELTO,
3178                                         SF_RETRY_UA|SF_NO_PRINT);
3179                         if (error == ERESTART) {
3180                                 /*
3181                                  * A retry was scheuled, so
3182                                  * just return.
3183                                  */
3184                                 return;
3185                         } else if (error != 0) {
3186                                 int asc, ascq;
3187                                 int sense_key, error_code;
3188                                 int have_sense;
3189                                 cam_status status;
3190                                 struct ccb_getdev cgd;
3191
3192                                 /* Don't wedge this device's queue */
3193                                 status = done_ccb->ccb_h.status;
3194                                 if ((status & CAM_DEV_QFRZN) != 0)
3195                                         cam_release_devq(done_ccb->ccb_h.path,
3196                                                          /*relsim_flags*/0,
3197                                                          /*reduction*/0,
3198                                                          /*timeout*/0,
3199                                                          /*getcount_only*/0);
3200
3201
3202                                 xpt_setup_ccb(&cgd.ccb_h,
3203                                               done_ccb->ccb_h.path,
3204                                               CAM_PRIORITY_NORMAL);
3205                                 cgd.ccb_h.func_code = XPT_GDEV_TYPE;
3206                                 xpt_action((union ccb *)&cgd);
3207
3208                                 if (scsi_extract_sense_ccb(done_ccb,
3209                                     &error_code, &sense_key, &asc, &ascq))
3210                                         have_sense = TRUE;
3211                                 else
3212                                         have_sense = FALSE;
3213
3214                                 /*
3215                                  * If we tried READ CAPACITY(16) and failed,
3216                                  * fallback to READ CAPACITY(10).
3217                                  */
3218                                 if ((state == DA_CCB_PROBE_RC16) &&
3219                                     (softc->flags & DA_FLAG_CAN_RC16) &&
3220                                     (((csio->ccb_h.status & CAM_STATUS_MASK) ==
3221                                         CAM_REQ_INVALID) ||
3222                                      ((have_sense) &&
3223                                       (error_code == SSD_CURRENT_ERROR) &&
3224                                       (sense_key == SSD_KEY_ILLEGAL_REQUEST)))) {
3225                                         softc->flags &= ~DA_FLAG_CAN_RC16;
3226                                         free(rdcap, M_SCSIDA);
3227                                         xpt_release_ccb(done_ccb);
3228                                         softc->state = DA_STATE_PROBE_RC;
3229                                         xpt_schedule(periph, priority);
3230                                         return;
3231                                 } else
3232                                 /*
3233                                  * Attach to anything that claims to be a
3234                                  * direct access or optical disk device,
3235                                  * as long as it doesn't return a "Logical
3236                                  * unit not supported" (0x25) error.
3237                                  */
3238                                 if ((have_sense) && (asc != 0x25)
3239                                  && (error_code == SSD_CURRENT_ERROR)) {
3240                                         const char *sense_key_desc;
3241                                         const char *asc_desc;
3242
3243                                         dasetgeom(periph, 512, -1, NULL, 0);
3244                                         scsi_sense_desc(sense_key, asc, ascq,
3245                                                         &cgd.inq_data,
3246                                                         &sense_key_desc,
3247                                                         &asc_desc);
3248                                         snprintf(announce_buf,
3249                                             sizeof(announce_buf),
3250                                                 "Attempt to query device "
3251                                                 "size failed: %s, %s",
3252                                                 sense_key_desc,
3253                                                 asc_desc);
3254                                 } else {
3255                                         if (have_sense)
3256                                                 scsi_sense_print(
3257                                                         &done_ccb->csio);
3258                                         else {
3259                                                 xpt_print(periph->path,
3260                                                     "got CAM status %#x\n",
3261                                                     done_ccb->ccb_h.status);
3262                                         }
3263
3264                                         xpt_print(periph->path, "fatal error, "
3265                                             "failed to attach to device\n");
3266
3267                                         /*
3268                                          * Free up resources.
3269                                          */
3270                                         cam_periph_invalidate(periph);
3271                                 }
3272                         }
3273                 }
3274                 free(csio->data_ptr, M_SCSIDA);
3275                 if (announce_buf[0] != '\0' &&
3276                     ((softc->flags & DA_FLAG_ANNOUNCED) == 0)) {
3277                         /*
3278                          * Create our sysctl variables, now that we know
3279                          * we have successfully attached.
3280                          */
3281                         /* increase the refcount */
3282                         if (cam_periph_acquire(periph) == CAM_REQ_CMP) {
3283                                 taskqueue_enqueue(taskqueue_thread,
3284                                                   &softc->sysctl_task);
3285                                 xpt_announce_periph(periph, announce_buf);
3286                                 xpt_announce_quirks(periph, softc->quirks,
3287                                     DA_Q_BIT_STRING);
3288                         } else {
3289                                 xpt_print(periph->path, "fatal error, "
3290                                     "could not acquire reference count\n");
3291                         }
3292                 }
3293
3294                 /* We already probed the device. */
3295                 if (softc->flags & DA_FLAG_PROBED) {
3296                         daprobedone(periph, done_ccb);
3297                         return;
3298                 }
3299
3300                 /* Ensure re-probe doesn't see old delete. */
3301                 softc->delete_available = 0;
3302                 dadeleteflag(softc, DA_DELETE_ZERO, 1);
3303                 if (lbp && (softc->quirks & DA_Q_NO_UNMAP) == 0) {
3304                         /*
3305                          * Based on older SBC-3 spec revisions
3306                          * any of the UNMAP methods "may" be
3307                          * available via LBP given this flag so
3308                          * we flag all of them as availble and
3309                          * then remove those which further
3310                          * probes confirm aren't available
3311                          * later.
3312                          *
3313                          * We could also check readcap(16) p_type
3314                          * flag to exclude one or more invalid
3315                          * write same (X) types here
3316                          */
3317                         dadeleteflag(softc, DA_DELETE_WS16, 1);
3318                         dadeleteflag(softc, DA_DELETE_WS10, 1);
3319                         dadeleteflag(softc, DA_DELETE_UNMAP, 1);
3320
3321                         xpt_release_ccb(done_ccb);
3322                         softc->state = DA_STATE_PROBE_LBP;
3323                         xpt_schedule(periph, priority);
3324                         return;
3325                 }
3326
3327                 xpt_release_ccb(done_ccb);
3328                 softc->state = DA_STATE_PROBE_BDC;
3329                 xpt_schedule(periph, priority);
3330                 return;
3331         }
3332         case DA_CCB_PROBE_LBP:
3333         {
3334                 struct scsi_vpd_logical_block_prov *lbp;
3335
3336                 lbp = (struct scsi_vpd_logical_block_prov *)csio->data_ptr;
3337
3338                 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
3339                         /*
3340                          * T10/1799-D Revision 31 states at least one of these
3341                          * must be supported but we don't currently enforce this.
3342                          */
3343                         dadeleteflag(softc, DA_DELETE_WS16,
3344                                      (lbp->flags & SVPD_LBP_WS16));
3345                         dadeleteflag(softc, DA_DELETE_WS10,
3346                                      (lbp->flags & SVPD_LBP_WS10));
3347                         dadeleteflag(softc, DA_DELETE_UNMAP,
3348                                      (lbp->flags & SVPD_LBP_UNMAP));
3349                 } else {
3350                         int error;
3351                         error = daerror(done_ccb, CAM_RETRY_SELTO,
3352                                         SF_RETRY_UA|SF_NO_PRINT);
3353                         if (error == ERESTART)
3354                                 return;
3355                         else if (error != 0) {
3356                                 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
3357                                         /* Don't wedge this device's queue */
3358                                         cam_release_devq(done_ccb->ccb_h.path,
3359                                                          /*relsim_flags*/0,
3360                                                          /*reduction*/0,
3361                                                          /*timeout*/0,
3362                                                          /*getcount_only*/0);
3363                                 }
3364
3365                                 /*
3366                                  * Failure indicates we don't support any SBC-3
3367                                  * delete methods with UNMAP
3368                                  */
3369                         }
3370                 }
3371
3372                 free(lbp, M_SCSIDA);
3373                 xpt_release_ccb(done_ccb);
3374                 softc->state = DA_STATE_PROBE_BLK_LIMITS;
3375                 xpt_schedule(periph, priority);
3376                 return;
3377         }
3378         case DA_CCB_PROBE_BLK_LIMITS:
3379         {
3380                 struct scsi_vpd_block_limits *block_limits;
3381
3382                 block_limits = (struct scsi_vpd_block_limits *)csio->data_ptr;
3383
3384                 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
3385                         uint32_t max_txfer_len = scsi_4btoul(
3386                                 block_limits->max_txfer_len);
3387                         uint32_t max_unmap_lba_cnt = scsi_4btoul(
3388                                 block_limits->max_unmap_lba_cnt);
3389                         uint32_t max_unmap_blk_cnt = scsi_4btoul(
3390                                 block_limits->max_unmap_blk_cnt);
3391                         uint64_t ws_max_blks = scsi_8btou64(
3392                                 block_limits->max_write_same_length);
3393
3394                         if (max_txfer_len != 0) {
3395                                 softc->disk->d_maxsize = MIN(softc->maxio,
3396                                     (off_t)max_txfer_len * softc->params.secsize);
3397                         }
3398
3399                         /*
3400                          * We should already support UNMAP but we check lba
3401                          * and block count to be sure
3402                          */
3403                         if (max_unmap_lba_cnt != 0x00L &&
3404                             max_unmap_blk_cnt != 0x00L) {
3405                                 softc->unmap_max_lba = max_unmap_lba_cnt;
3406                                 softc->unmap_max_ranges = min(max_unmap_blk_cnt,
3407                                         UNMAP_MAX_RANGES);
3408                         } else {
3409                                 /*
3410                                  * Unexpected UNMAP limits which means the
3411                                  * device doesn't actually support UNMAP
3412                                  */
3413                                 dadeleteflag(softc, DA_DELETE_UNMAP, 0);
3414                         }
3415
3416                         if (ws_max_blks != 0x00L)
3417                                 softc->ws_max_blks = ws_max_blks;
3418                 } else {
3419                         int error;
3420                         error = daerror(done_ccb, CAM_RETRY_SELTO,
3421                                         SF_RETRY_UA|SF_NO_PRINT);
3422                         if (error == ERESTART)
3423                                 return;
3424                         else if (error != 0) {
3425                                 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
3426                                         /* Don't wedge this device's queue */
3427                                         cam_release_devq(done_ccb->ccb_h.path,
3428                                                          /*relsim_flags*/0,
3429                                                          /*reduction*/0,
3430                                                          /*timeout*/0,
3431                                                          /*getcount_only*/0);
3432                                 }
3433
3434                                 /*
3435                                  * Failure here doesn't mean UNMAP is not
3436                                  * supported as this is an optional page.
3437                                  */
3438                                 softc->unmap_max_lba = 1;
3439                                 softc->unmap_max_ranges = 1;
3440                         }
3441                 }
3442
3443                 free(block_limits, M_SCSIDA);
3444                 xpt_release_ccb(done_ccb);
3445                 softc->state = DA_STATE_PROBE_BDC;
3446                 xpt_schedule(periph, priority);
3447                 return;
3448         }
3449         case DA_CCB_PROBE_BDC:
3450         {
3451                 struct scsi_vpd_block_characteristics *bdc;
3452
3453                 bdc = (struct scsi_vpd_block_characteristics *)csio->data_ptr;
3454
3455                 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
3456                         /*
3457                          * Disable queue sorting for non-rotational media
3458                          * by default.
3459                          */
3460                         u_int16_t old_rate = softc->disk->d_rotation_rate;
3461
3462                         softc->disk->d_rotation_rate =
3463                                 scsi_2btoul(bdc->medium_rotation_rate);
3464                         if (softc->disk->d_rotation_rate ==
3465                             SVPD_BDC_RATE_NON_ROTATING) {
3466                                 softc->sort_io_queue = 0;
3467                         }
3468                         if (softc->disk->d_rotation_rate != old_rate) {
3469                                 disk_attr_changed(softc->disk,
3470                                     "GEOM::rotation_rate", M_NOWAIT);
3471                         }
3472                 } else {
3473                         int error;
3474                         error = daerror(done_ccb, CAM_RETRY_SELTO,
3475                                         SF_RETRY_UA|SF_NO_PRINT);
3476                         if (error == ERESTART)
3477                                 return;
3478                         else if (error != 0) {
3479                                 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
3480                                         /* Don't wedge this device's queue */
3481                                         cam_release_devq(done_ccb->ccb_h.path,
3482                                                          /*relsim_flags*/0,
3483                                                          /*reduction*/0,
3484                                                          /*timeout*/0,
3485                                                          /*getcount_only*/0);
3486                                 }
3487                         }
3488                 }
3489
3490                 free(bdc, M_SCSIDA);
3491                 xpt_release_ccb(done_ccb);
3492                 softc->state = DA_STATE_PROBE_ATA;
3493                 xpt_schedule(periph, priority);
3494                 return;
3495         }
3496         case DA_CCB_PROBE_ATA:
3497         {
3498                 int i;
3499                 struct ata_params *ata_params;
3500                 int16_t *ptr;
3501
3502                 ata_params = (struct ata_params *)csio->data_ptr;
3503                 ptr = (uint16_t *)ata_params;
3504
3505                 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
3506                         uint16_t old_rate;
3507
3508                         for (i = 0; i < sizeof(*ata_params) / 2; i++)
3509                                 ptr[i] = le16toh(ptr[i]);
3510                         if (ata_params->support_dsm & ATA_SUPPORT_DSM_TRIM &&
3511                             (softc->quirks & DA_Q_NO_UNMAP) == 0) {
3512                                 dadeleteflag(softc, DA_DELETE_ATA_TRIM, 1);
3513                                 if (ata_params->max_dsm_blocks != 0)
3514                                         softc->trim_max_ranges = min(
3515                                           softc->trim_max_ranges,
3516                                           ata_params->max_dsm_blocks *
3517                                           ATA_DSM_BLK_RANGES);
3518                         }
3519                         /*
3520                          * Disable queue sorting for non-rotational media
3521                          * by default.
3522                          */
3523                         old_rate = softc->disk->d_rotation_rate;
3524                         softc->disk->d_rotation_rate =
3525                             ata_params->media_rotation_rate;
3526                         if (softc->disk->d_rotation_rate ==
3527                             ATA_RATE_NON_ROTATING) {
3528                                 softc->sort_io_queue = 0;
3529                         }
3530
3531                         if (softc->disk->d_rotation_rate != old_rate) {
3532                                 disk_attr_changed(softc->disk,
3533                                     "GEOM::rotation_rate", M_NOWAIT);
3534                         }
3535                 } else {
3536                         int error;
3537                         error = daerror(done_ccb, CAM_RETRY_SELTO,
3538                                         SF_RETRY_UA|SF_NO_PRINT);
3539                         if (error == ERESTART)
3540                                 return;
3541                         else if (error != 0) {
3542                                 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
3543                                         /* Don't wedge this device's queue */
3544                                         cam_release_devq(done_ccb->ccb_h.path,
3545                                                          /*relsim_flags*/0,
3546                                                          /*reduction*/0,
3547                                                          /*timeout*/0,
3548                                                          /*getcount_only*/0);
3549                                 }
3550                         }
3551                 }
3552
3553                 free(ata_params, M_SCSIDA);
3554                 daprobedone(periph, done_ccb);
3555                 return;
3556         }
3557         case DA_CCB_DUMP:
3558                 /* No-op.  We're polling */
3559                 return;
3560         case DA_CCB_TUR:
3561         {
3562                 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
3563
3564                         if (daerror(done_ccb, CAM_RETRY_SELTO,
3565                             SF_RETRY_UA | SF_NO_RECOVERY | SF_NO_PRINT) ==
3566                             ERESTART)
3567                                 return;
3568                         if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
3569                                 cam_release_devq(done_ccb->ccb_h.path,
3570                                                  /*relsim_flags*/0,
3571                                                  /*reduction*/0,
3572                                                  /*timeout*/0,
3573                                                  /*getcount_only*/0);
3574                 }
3575                 xpt_release_ccb(done_ccb);
3576                 cam_periph_release_locked(periph);
3577                 return;
3578         }
3579         default:
3580                 break;
3581         }
3582         xpt_release_ccb(done_ccb);
3583 }
3584
3585 static void
3586 dareprobe(struct cam_periph *periph)
3587 {
3588         struct da_softc   *softc;
3589         cam_status status;
3590
3591         softc = (struct da_softc *)periph->softc;
3592
3593         /* Probe in progress; don't interfere. */
3594         if (softc->state != DA_STATE_NORMAL)
3595                 return;
3596
3597         status = cam_periph_acquire(periph);
3598         KASSERT(status == CAM_REQ_CMP,
3599             ("dareprobe: cam_periph_acquire failed"));
3600
3601         if (softc->flags & DA_FLAG_CAN_RC16)
3602                 softc->state = DA_STATE_PROBE_RC16;
3603         else
3604                 softc->state = DA_STATE_PROBE_RC;
3605
3606         xpt_schedule(periph, CAM_PRIORITY_DEV);
3607 }
3608
3609 static int
3610 daerror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags)
3611 {
3612         struct da_softc   *softc;
3613         struct cam_periph *periph;
3614         int error, error_code, sense_key, asc, ascq;
3615
3616         periph = xpt_path_periph(ccb->ccb_h.path);
3617         softc = (struct da_softc *)periph->softc;
3618
3619         /*
3620          * Automatically detect devices that do not support
3621          * READ(6)/WRITE(6) and upgrade to using 10 byte cdbs.
3622          */
3623         error = 0;
3624         if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INVALID) {
3625                 error = cmd6workaround(ccb);
3626         } else if (scsi_extract_sense_ccb(ccb,
3627             &error_code, &sense_key, &asc, &ascq)) {
3628                 if (sense_key == SSD_KEY_ILLEGAL_REQUEST)
3629                         error = cmd6workaround(ccb);
3630                 /*
3631                  * If the target replied with CAPACITY DATA HAS CHANGED UA,
3632                  * query the capacity and notify upper layers.
3633                  */
3634                 else if (sense_key == SSD_KEY_UNIT_ATTENTION &&
3635                     asc == 0x2A && ascq == 0x09) {
3636                         xpt_print(periph->path, "Capacity data has changed\n");
3637                         softc->flags &= ~DA_FLAG_PROBED;
3638                         dareprobe(periph);
3639                         sense_flags |= SF_NO_PRINT;
3640                 } else if (sense_key == SSD_KEY_UNIT_ATTENTION &&
3641                     asc == 0x28 && ascq == 0x00) {
3642                         softc->flags &= ~DA_FLAG_PROBED;
3643                         disk_media_changed(softc->disk, M_NOWAIT);
3644                 } else if (sense_key == SSD_KEY_UNIT_ATTENTION &&
3645                     asc == 0x3F && ascq == 0x03) {
3646                         xpt_print(periph->path, "INQUIRY data has changed\n");
3647                         softc->flags &= ~DA_FLAG_PROBED;
3648                         dareprobe(periph);
3649                         sense_flags |= SF_NO_PRINT;
3650                 } else if (sense_key == SSD_KEY_NOT_READY &&
3651                     asc == 0x3a && (softc->flags & DA_FLAG_PACK_INVALID) == 0) {
3652                         softc->flags |= DA_FLAG_PACK_INVALID;
3653                         disk_media_gone(softc->disk, M_NOWAIT);
3654                 }
3655         }
3656         if (error == ERESTART)
3657                 return (ERESTART);
3658
3659         /*
3660          * XXX
3661          * Until we have a better way of doing pack validation,
3662          * don't treat UAs as errors.
3663          */
3664         sense_flags |= SF_RETRY_UA;
3665
3666         if (softc->quirks & DA_Q_RETRY_BUSY)
3667                 sense_flags |= SF_RETRY_BUSY;
3668         return(cam_periph_error(ccb, cam_flags, sense_flags,
3669                                 &softc->saved_ccb));
3670 }
3671
3672 static void
3673 damediapoll(void *arg)
3674 {
3675         struct cam_periph *periph = arg;
3676         struct da_softc *softc = periph->softc;
3677
3678         if (!softc->tur && LIST_EMPTY(&softc->pending_ccbs)) {
3679                 if (cam_periph_acquire(periph) == CAM_REQ_CMP) {
3680                         softc->tur = 1;
3681                         daschedule(periph);
3682                 }
3683         }
3684         /* Queue us up again */
3685         if (da_poll_period != 0)
3686                 callout_schedule(&softc->mediapoll_c, da_poll_period * hz);
3687 }
3688
3689 static void
3690 daprevent(struct cam_periph *periph, int action)
3691 {
3692         struct  da_softc *softc;
3693         union   ccb *ccb;
3694         int     error;
3695
3696         softc = (struct da_softc *)periph->softc;
3697
3698         if (((action == PR_ALLOW)
3699           && (softc->flags & DA_FLAG_PACK_LOCKED) == 0)
3700          || ((action == PR_PREVENT)
3701           && (softc->flags & DA_FLAG_PACK_LOCKED) != 0)) {
3702                 return;
3703         }
3704
3705         ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
3706
3707         scsi_prevent(&ccb->csio,
3708                      /*retries*/1,
3709                      /*cbcfp*/dadone,
3710                      MSG_SIMPLE_Q_TAG,
3711                      action,
3712                      SSD_FULL_SIZE,
3713                      5000);
3714
3715         error = cam_periph_runccb(ccb, daerror, CAM_RETRY_SELTO,
3716             SF_RETRY_UA | SF_NO_PRINT, softc->disk->d_devstat);
3717
3718         if (error == 0) {
3719                 if (action == PR_ALLOW)
3720                         softc->flags &= ~DA_FLAG_PACK_LOCKED;
3721                 else
3722                         softc->flags |= DA_FLAG_PACK_LOCKED;
3723         }
3724
3725         xpt_release_ccb(ccb);
3726 }
3727
3728 static void
3729 dasetgeom(struct cam_periph *periph, uint32_t block_len, uint64_t maxsector,
3730           struct scsi_read_capacity_data_long *rcaplong, size_t rcap_len)
3731 {
3732         struct ccb_calc_geometry ccg;
3733         struct da_softc *softc;
3734         struct disk_params *dp;
3735         u_int lbppbe, lalba;
3736         int error;
3737
3738         softc = (struct da_softc *)periph->softc;
3739
3740         dp = &softc->params;
3741         dp->secsize = block_len;
3742         dp->sectors = maxsector + 1;
3743         if (rcaplong != NULL) {
3744                 lbppbe = rcaplong->prot_lbppbe & SRC16_LBPPBE;
3745                 lalba = scsi_2btoul(rcaplong->lalba_lbp);
3746                 lalba &= SRC16_LALBA_A;
3747         } else {
3748                 lbppbe = 0;
3749                 lalba = 0;
3750         }
3751
3752         if (lbppbe > 0) {
3753                 dp->stripesize = block_len << lbppbe;
3754                 dp->stripeoffset = (dp->stripesize - block_len * lalba) %
3755                     dp->stripesize;
3756         } else if (softc->quirks & DA_Q_4K) {
3757                 dp->stripesize = 4096;
3758                 dp->stripeoffset = 0;
3759         } else {
3760                 dp->stripesize = 0;
3761                 dp->stripeoffset = 0;
3762         }
3763         /*
3764          * Have the controller provide us with a geometry
3765          * for this disk.  The only time the geometry
3766          * matters is when we boot and the controller
3767          * is the only one knowledgeable enough to come
3768          * up with something that will make this a bootable
3769          * device.
3770          */
3771         xpt_setup_ccb(&ccg.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
3772         ccg.ccb_h.func_code = XPT_CALC_GEOMETRY;
3773         ccg.block_size = dp->secsize;
3774         ccg.volume_size = dp->sectors;
3775         ccg.heads = 0;
3776         ccg.secs_per_track = 0;
3777         ccg.cylinders = 0;
3778         xpt_action((union ccb*)&ccg);
3779         if ((ccg.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
3780                 /*
3781                  * We don't know what went wrong here- but just pick
3782                  * a geometry so we don't have nasty things like divide
3783                  * by zero.
3784                  */
3785                 dp->heads = 255;
3786                 dp->secs_per_track = 255;
3787                 dp->cylinders = dp->sectors / (255 * 255);
3788                 if (dp->cylinders == 0) {
3789                         dp->cylinders = 1;
3790                 }
3791         } else {
3792                 dp->heads = ccg.heads;
3793                 dp->secs_per_track = ccg.secs_per_track;
3794                 dp->cylinders = ccg.cylinders;
3795         }
3796
3797         /*
3798          * If the user supplied a read capacity buffer, and if it is
3799          * different than the previous buffer, update the data in the EDT.
3800          * If it's the same, we don't bother.  This avoids sending an
3801          * update every time someone opens this device.
3802          */
3803         if ((rcaplong != NULL)
3804          && (bcmp(rcaplong, &softc->rcaplong,
3805                   min(sizeof(softc->rcaplong), rcap_len)) != 0)) {
3806                 struct ccb_dev_advinfo cdai;
3807
3808                 xpt_setup_ccb(&cdai.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
3809                 cdai.ccb_h.func_code = XPT_DEV_ADVINFO;
3810                 cdai.buftype = CDAI_TYPE_RCAPLONG;
3811                 cdai.flags = CDAI_FLAG_STORE;
3812                 cdai.bufsiz = rcap_len;
3813                 cdai.buf = (uint8_t *)rcaplong;
3814                 xpt_action((union ccb *)&cdai);
3815                 if ((cdai.ccb_h.status & CAM_DEV_QFRZN) != 0)
3816                         cam_release_devq(cdai.ccb_h.path, 0, 0, 0, FALSE);
3817                 if (cdai.ccb_h.status != CAM_REQ_CMP) {
3818                         xpt_print(periph->path, "%s: failed to set read "
3819                                   "capacity advinfo\n", __func__);
3820                         /* Use cam_error_print() to decode the status */
3821                         cam_error_print((union ccb *)&cdai, CAM_ESF_CAM_STATUS,
3822                                         CAM_EPF_ALL);
3823                 } else {
3824                         bcopy(rcaplong, &softc->rcaplong,
3825                               min(sizeof(softc->rcaplong), rcap_len));
3826                 }
3827         }
3828
3829         softc->disk->d_sectorsize = softc->params.secsize;
3830         softc->disk->d_mediasize = softc->params.secsize * (off_t)softc->params.sectors;
3831         softc->disk->d_stripesize = softc->params.stripesize;
3832         softc->disk->d_stripeoffset = softc->params.stripeoffset;
3833         /* XXX: these are not actually "firmware" values, so they may be wrong */
3834         softc->disk->d_fwsectors = softc->params.secs_per_track;
3835         softc->disk->d_fwheads = softc->params.heads;
3836         softc->disk->d_devstat->block_size = softc->params.secsize;
3837         softc->disk->d_devstat->flags &= ~DEVSTAT_BS_UNAVAILABLE;
3838
3839         error = disk_resize(softc->disk, M_NOWAIT);
3840         if (error != 0)
3841                 xpt_print(periph->path, "disk_resize(9) failed, error = %d\n", error);
3842 }
3843
3844 static void
3845 dasendorderedtag(void *arg)
3846 {
3847         struct da_softc *softc = arg;
3848
3849         if (da_send_ordered) {
3850                 if (!LIST_EMPTY(&softc->pending_ccbs)) {
3851                         if ((softc->flags & DA_FLAG_WAS_OTAG) == 0)
3852                                 softc->flags |= DA_FLAG_NEED_OTAG;
3853                         softc->flags &= ~DA_FLAG_WAS_OTAG;
3854                 }
3855         }
3856         /* Queue us up again */
3857         callout_reset(&softc->sendordered_c,
3858             (da_default_timeout * hz) / DA_ORDEREDTAG_INTERVAL,
3859             dasendorderedtag, softc);
3860 }
3861
3862 /*
3863  * Step through all DA peripheral drivers, and if the device is still open,
3864  * sync the disk cache to physical media.
3865  */
3866 static void
3867 dashutdown(void * arg, int howto)
3868 {
3869         struct cam_periph *periph;
3870         struct da_softc *softc;
3871         union ccb *ccb;
3872         int error;
3873
3874         CAM_PERIPH_FOREACH(periph, &dadriver) {
3875                 softc = (struct da_softc *)periph->softc;
3876                 if (SCHEDULER_STOPPED()) {
3877                         /* If we paniced with the lock held, do not recurse. */
3878                         if (!cam_periph_owned(periph) &&
3879                             (softc->flags & DA_FLAG_OPEN)) {
3880                                 dadump(softc->disk, NULL, 0, 0, 0);
3881                         }
3882                         continue;
3883                 }
3884                 cam_periph_lock(periph);
3885
3886                 /*
3887                  * We only sync the cache if the drive is still open, and
3888                  * if the drive is capable of it..
3889                  */
3890                 if (((softc->flags & DA_FLAG_OPEN) == 0)
3891                  || (softc->quirks & DA_Q_NO_SYNC_CACHE)) {
3892                         cam_periph_unlock(periph);
3893                         continue;
3894                 }
3895
3896                 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
3897                 scsi_synchronize_cache(&ccb->csio,
3898                                        /*retries*/0,
3899                                        /*cbfcnp*/dadone,
3900                                        MSG_SIMPLE_Q_TAG,
3901                                        /*begin_lba*/0, /* whole disk */
3902                                        /*lb_count*/0,
3903                                        SSD_FULL_SIZE,
3904                                        60 * 60 * 1000);
3905
3906                 error = cam_periph_runccb(ccb, daerror, /*cam_flags*/0,
3907                     /*sense_flags*/ SF_NO_RECOVERY | SF_NO_RETRY | SF_QUIET_IR,
3908                     softc->disk->d_devstat);
3909                 if (error != 0)
3910                         xpt_print(periph->path, "Synchronize cache failed\n");
3911                 xpt_release_ccb(ccb);
3912                 cam_periph_unlock(periph);
3913         }
3914 }
3915
3916 #else /* !_KERNEL */
3917
3918 /*
3919  * XXX These are only left out of the kernel build to silence warnings.  If,
3920  * for some reason these functions are used in the kernel, the ifdefs should
3921  * be moved so they are included both in the kernel and userland.
3922  */
3923 void
3924 scsi_format_unit(struct ccb_scsiio *csio, u_int32_t retries,
3925                  void (*cbfcnp)(struct cam_periph *, union ccb *),
3926                  u_int8_t tag_action, u_int8_t byte2, u_int16_t ileave,
3927                  u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len,
3928                  u_int32_t timeout)
3929 {
3930         struct scsi_format_unit *scsi_cmd;
3931
3932         scsi_cmd = (struct scsi_format_unit *)&csio->cdb_io.cdb_bytes;
3933         scsi_cmd->opcode = FORMAT_UNIT;
3934         scsi_cmd->byte2 = byte2;
3935         scsi_ulto2b(ileave, scsi_cmd->interleave);
3936
3937         cam_fill_csio(csio,
3938                       retries,
3939                       cbfcnp,
3940                       /*flags*/ (dxfer_len > 0) ? CAM_DIR_OUT : CAM_DIR_NONE,
3941                       tag_action,
3942                       data_ptr,
3943                       dxfer_len,
3944                       sense_len,
3945                       sizeof(*scsi_cmd),
3946                       timeout);
3947 }
3948
3949 void
3950 scsi_read_defects(struct ccb_scsiio *csio, uint32_t retries,
3951                   void (*cbfcnp)(struct cam_periph *, union ccb *),
3952                   uint8_t tag_action, uint8_t list_format,
3953                   uint32_t addr_desc_index, uint8_t *data_ptr,
3954                   uint32_t dxfer_len, int minimum_cmd_size,
3955                   uint8_t sense_len, uint32_t timeout)
3956 {
3957         uint8_t cdb_len;
3958
3959         /*
3960          * These conditions allow using the 10 byte command.  Otherwise we
3961          * need to use the 12 byte command.
3962          */
3963         if ((minimum_cmd_size <= 10)
3964          && (addr_desc_index == 0)
3965          && (dxfer_len <= SRDD10_MAX_LENGTH)) {
3966                 struct scsi_read_defect_data_10 *cdb10;
3967
3968                 cdb10 = (struct scsi_read_defect_data_10 *)
3969                         &csio->cdb_io.cdb_bytes;
3970
3971                 cdb_len = sizeof(*cdb10);
3972                 bzero(cdb10, cdb_len);
3973                 cdb10->opcode = READ_DEFECT_DATA_10;
3974                 cdb10->format = list_format;
3975                 scsi_ulto2b(dxfer_len, cdb10->alloc_length);
3976         } else {
3977                 struct scsi_read_defect_data_12 *cdb12;
3978
3979                 cdb12 = (struct scsi_read_defect_data_12 *)
3980                         &csio->cdb_io.cdb_bytes;
3981
3982                 cdb_len = sizeof(*cdb12);
3983                 bzero(cdb12, cdb_len);
3984                 cdb12->opcode = READ_DEFECT_DATA_12;
3985                 cdb12->format = list_format;
3986                 scsi_ulto4b(dxfer_len, cdb12->alloc_length);
3987                 scsi_ulto4b(addr_desc_index, cdb12->address_descriptor_index);
3988         }
3989
3990         cam_fill_csio(csio,
3991                       retries,
3992                       cbfcnp,
3993                       /*flags*/ CAM_DIR_IN,
3994                       tag_action,
3995                       data_ptr,
3996                       dxfer_len,
3997                       sense_len,
3998                       cdb_len,
3999                       timeout);
4000 }
4001
4002 void
4003 scsi_sanitize(struct ccb_scsiio *csio, u_int32_t retries,
4004               void (*cbfcnp)(struct cam_periph *, union ccb *),
4005               u_int8_t tag_action, u_int8_t byte2, u_int16_t control,
4006               u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len,
4007               u_int32_t timeout)
4008 {
4009         struct scsi_sanitize *scsi_cmd;
4010
4011         scsi_cmd = (struct scsi_sanitize *)&csio->cdb_io.cdb_bytes;
4012         scsi_cmd->opcode = SANITIZE;
4013         scsi_cmd->byte2 = byte2;
4014         scsi_cmd->control = control;
4015         scsi_ulto2b(dxfer_len, scsi_cmd->length);
4016
4017         cam_fill_csio(csio,
4018                       retries,
4019                       cbfcnp,
4020                       /*flags*/ (dxfer_len > 0) ? CAM_DIR_OUT : CAM_DIR_NONE,
4021                       tag_action,
4022                       data_ptr,
4023                       dxfer_len,
4024                       sense_len,
4025                       sizeof(*scsi_cmd),
4026                       timeout);
4027 }
4028
4029 #endif /* _KERNEL */