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", "Virtual disk", "*"},
 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                         softc->flags |= DA_FLAG_DIRTY;
2332                         /* FALLTHROUGH */
2333                 case BIO_READ:
2334                         scsi_read_write(&start_ccb->csio,
2335                                         /*retries*/da_retry_count,
2336                                         /*cbfcnp*/dadone,
2337                                         /*tag_action*/tag_code,
2338                                         /*read_op*/(bp->bio_cmd == BIO_READ ?
2339                                         SCSI_RW_READ : SCSI_RW_WRITE) |
2340                                         ((bp->bio_flags & BIO_UNMAPPED) != 0 ?
2341                                         SCSI_RW_BIO : 0),
2342                                         /*byte2*/0,
2343                                         softc->minimum_cmd_size,
2344                                         /*lba*/bp->bio_pblkno,
2345                                         /*block_count*/bp->bio_bcount /
2346                                         softc->params.secsize,
2347                                         /*data_ptr*/ (bp->bio_flags &
2348                                         BIO_UNMAPPED) != 0 ? (void *)bp :
2349                                         bp->bio_data,
2350                                         /*dxfer_len*/ bp->bio_bcount,
2351                                         /*sense_len*/SSD_FULL_SIZE,
2352                                         da_default_timeout * 1000);
2353                         break;
2354                 case BIO_FLUSH:
2355                         /*
2356                          * BIO_FLUSH doesn't currently communicate
2357                          * range data, so we synchronize the cache
2358                          * over the whole disk.  We also force
2359                          * ordered tag semantics the flush applies
2360                          * to all previously queued I/O.
2361                          */
2362                         scsi_synchronize_cache(&start_ccb->csio,
2363                                                /*retries*/1,
2364                                                /*cbfcnp*/dadone,
2365                                                MSG_ORDERED_Q_TAG,
2366                                                /*begin_lba*/0,
2367                                                /*lb_count*/0,
2368                                                SSD_FULL_SIZE,
2369                                                da_default_timeout*1000);
2370                         break;
2371                 }
2372                 start_ccb->ccb_h.ccb_state = DA_CCB_BUFFER_IO;
2373                 start_ccb->ccb_h.flags |= CAM_UNLOCKED;
2374
2375 out:
2376                 LIST_INSERT_HEAD(&softc->pending_ccbs,
2377                                  &start_ccb->ccb_h, periph_links.le);
2378
2379                 /* We expect a unit attention from this device */
2380                 if ((softc->flags & DA_FLAG_RETRY_UA) != 0) {
2381                         start_ccb->ccb_h.ccb_state |= DA_CCB_RETRY_UA;
2382                         softc->flags &= ~DA_FLAG_RETRY_UA;
2383                 }
2384
2385                 start_ccb->ccb_h.ccb_bp = bp;
2386                 softc->refcount++;
2387                 cam_periph_unlock(periph);
2388                 xpt_action(start_ccb);
2389                 cam_periph_lock(periph);
2390                 softc->refcount--;
2391
2392                 /* May have more work to do, so ensure we stay scheduled */
2393                 daschedule(periph);
2394                 break;
2395         }
2396         case DA_STATE_PROBE_RC:
2397         {
2398                 struct scsi_read_capacity_data *rcap;
2399
2400                 rcap = (struct scsi_read_capacity_data *)
2401                     malloc(sizeof(*rcap), M_SCSIDA, M_NOWAIT|M_ZERO);
2402                 if (rcap == NULL) {
2403                         printf("dastart: Couldn't malloc read_capacity data\n");
2404                         /* da_free_periph??? */
2405                         break;
2406                 }
2407                 scsi_read_capacity(&start_ccb->csio,
2408                                    /*retries*/da_retry_count,
2409                                    dadone,
2410                                    MSG_SIMPLE_Q_TAG,
2411                                    rcap,
2412                                    SSD_FULL_SIZE,
2413                                    /*timeout*/5000);
2414                 start_ccb->ccb_h.ccb_bp = NULL;
2415                 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_RC;
2416                 xpt_action(start_ccb);
2417                 break;
2418         }
2419         case DA_STATE_PROBE_RC16:
2420         {
2421                 struct scsi_read_capacity_data_long *rcaplong;
2422
2423                 rcaplong = (struct scsi_read_capacity_data_long *)
2424                         malloc(sizeof(*rcaplong), M_SCSIDA, M_NOWAIT|M_ZERO);
2425                 if (rcaplong == NULL) {
2426                         printf("dastart: Couldn't malloc read_capacity data\n");
2427                         /* da_free_periph??? */
2428                         break;
2429                 }
2430                 scsi_read_capacity_16(&start_ccb->csio,
2431                                       /*retries*/ da_retry_count,
2432                                       /*cbfcnp*/ dadone,
2433                                       /*tag_action*/ MSG_SIMPLE_Q_TAG,
2434                                       /*lba*/ 0,
2435                                       /*reladr*/ 0,
2436                                       /*pmi*/ 0,
2437                                       /*rcap_buf*/ (uint8_t *)rcaplong,
2438                                       /*rcap_buf_len*/ sizeof(*rcaplong),
2439                                       /*sense_len*/ SSD_FULL_SIZE,
2440                                       /*timeout*/ da_default_timeout * 1000);
2441                 start_ccb->ccb_h.ccb_bp = NULL;
2442                 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_RC16;
2443                 xpt_action(start_ccb);
2444                 break;
2445         }
2446         case DA_STATE_PROBE_LBP:
2447         {
2448                 struct scsi_vpd_logical_block_prov *lbp;
2449
2450                 if (!scsi_vpd_supported_page(periph, SVPD_LBP)) {
2451                         /*
2452                          * If we get here we don't support any SBC-3 delete
2453                          * methods with UNMAP as the Logical Block Provisioning
2454                          * VPD page support is required for devices which
2455                          * support it according to T10/1799-D Revision 31
2456                          * however older revisions of the spec don't mandate
2457                          * this so we currently don't remove these methods
2458                          * from the available set.
2459                          */
2460                         softc->state = DA_STATE_PROBE_BLK_LIMITS;
2461                         goto skipstate;
2462                 }
2463
2464                 lbp = (struct scsi_vpd_logical_block_prov *)
2465                         malloc(sizeof(*lbp), M_SCSIDA, M_NOWAIT|M_ZERO);
2466
2467                 if (lbp == NULL) {
2468                         printf("dastart: Couldn't malloc lbp data\n");
2469                         /* da_free_periph??? */
2470                         break;
2471                 }
2472
2473                 scsi_inquiry(&start_ccb->csio,
2474                              /*retries*/da_retry_count,
2475                              /*cbfcnp*/dadone,
2476                              /*tag_action*/MSG_SIMPLE_Q_TAG,
2477                              /*inq_buf*/(u_int8_t *)lbp,
2478                              /*inq_len*/sizeof(*lbp),
2479                              /*evpd*/TRUE,
2480                              /*page_code*/SVPD_LBP,
2481                              /*sense_len*/SSD_MIN_SIZE,
2482                              /*timeout*/da_default_timeout * 1000);
2483                 start_ccb->ccb_h.ccb_bp = NULL;
2484                 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_LBP;
2485                 xpt_action(start_ccb);
2486                 break;
2487         }
2488         case DA_STATE_PROBE_BLK_LIMITS:
2489         {
2490                 struct scsi_vpd_block_limits *block_limits;
2491
2492                 if (!scsi_vpd_supported_page(periph, SVPD_BLOCK_LIMITS)) {
2493                         /* Not supported skip to next probe */
2494                         softc->state = DA_STATE_PROBE_BDC;
2495                         goto skipstate;
2496                 }
2497
2498                 block_limits = (struct scsi_vpd_block_limits *)
2499                         malloc(sizeof(*block_limits), M_SCSIDA, M_NOWAIT|M_ZERO);
2500
2501                 if (block_limits == NULL) {
2502                         printf("dastart: Couldn't malloc block_limits data\n");
2503                         /* da_free_periph??? */
2504                         break;
2505                 }
2506
2507                 scsi_inquiry(&start_ccb->csio,
2508                              /*retries*/da_retry_count,
2509                              /*cbfcnp*/dadone,
2510                              /*tag_action*/MSG_SIMPLE_Q_TAG,
2511                              /*inq_buf*/(u_int8_t *)block_limits,
2512                              /*inq_len*/sizeof(*block_limits),
2513                              /*evpd*/TRUE,
2514                              /*page_code*/SVPD_BLOCK_LIMITS,
2515                              /*sense_len*/SSD_MIN_SIZE,
2516                              /*timeout*/da_default_timeout * 1000);
2517                 start_ccb->ccb_h.ccb_bp = NULL;
2518                 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_BLK_LIMITS;
2519                 xpt_action(start_ccb);
2520                 break;
2521         }
2522         case DA_STATE_PROBE_BDC:
2523         {
2524                 struct scsi_vpd_block_characteristics *bdc;
2525
2526                 if (!scsi_vpd_supported_page(periph, SVPD_BDC)) {
2527                         softc->state = DA_STATE_PROBE_ATA;
2528                         goto skipstate;
2529                 }
2530
2531                 bdc = (struct scsi_vpd_block_characteristics *)
2532                         malloc(sizeof(*bdc), M_SCSIDA, M_NOWAIT|M_ZERO);
2533
2534                 if (bdc == NULL) {
2535                         printf("dastart: Couldn't malloc bdc data\n");
2536                         /* da_free_periph??? */
2537                         break;
2538                 }
2539
2540                 scsi_inquiry(&start_ccb->csio,
2541                              /*retries*/da_retry_count,
2542                              /*cbfcnp*/dadone,
2543                              /*tag_action*/MSG_SIMPLE_Q_TAG,
2544                              /*inq_buf*/(u_int8_t *)bdc,
2545                              /*inq_len*/sizeof(*bdc),
2546                              /*evpd*/TRUE,
2547                              /*page_code*/SVPD_BDC,
2548                              /*sense_len*/SSD_MIN_SIZE,
2549                              /*timeout*/da_default_timeout * 1000);
2550                 start_ccb->ccb_h.ccb_bp = NULL;
2551                 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_BDC;
2552                 xpt_action(start_ccb);
2553                 break;
2554         }
2555         case DA_STATE_PROBE_ATA:
2556         {
2557                 struct ata_params *ata_params;
2558
2559                 if (!scsi_vpd_supported_page(periph, SVPD_ATA_INFORMATION)) {
2560                         daprobedone(periph, start_ccb);
2561                         break;
2562                 }
2563
2564                 ata_params = (struct ata_params*)
2565                         malloc(sizeof(*ata_params), M_SCSIDA, M_NOWAIT|M_ZERO);
2566
2567                 if (ata_params == NULL) {
2568                         printf("dastart: Couldn't malloc ata_params data\n");
2569                         /* da_free_periph??? */
2570                         break;
2571                 }
2572
2573                 scsi_ata_identify(&start_ccb->csio,
2574                                   /*retries*/da_retry_count,
2575                                   /*cbfcnp*/dadone,
2576                                   /*tag_action*/MSG_SIMPLE_Q_TAG,
2577                                   /*data_ptr*/(u_int8_t *)ata_params,
2578                                   /*dxfer_len*/sizeof(*ata_params),
2579                                   /*sense_len*/SSD_FULL_SIZE,
2580                                   /*timeout*/da_default_timeout * 1000);
2581                 start_ccb->ccb_h.ccb_bp = NULL;
2582                 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_ATA;
2583                 xpt_action(start_ccb);
2584                 break;
2585         }
2586         }
2587 }
2588
2589 /*
2590  * In each of the methods below, while its the caller's
2591  * responsibility to ensure the request will fit into a
2592  * single device request, we might have changed the delete
2593  * method due to the device incorrectly advertising either
2594  * its supported methods or limits.
2595  *
2596  * To prevent this causing further issues we validate the
2597  * against the methods limits, and warn which would
2598  * otherwise be unnecessary.
2599  */
2600 static void
2601 da_delete_unmap(struct cam_periph *periph, union ccb *ccb, struct bio *bp)
2602 {
2603         struct da_softc *softc = (struct da_softc *)periph->softc;;
2604         struct bio *bp1;
2605         uint8_t *buf = softc->unmap_buf;
2606         uint64_t lba, lastlba = (uint64_t)-1;
2607         uint64_t totalcount = 0;
2608         uint64_t count;
2609         uint32_t lastcount = 0, c;
2610         uint32_t off, ranges = 0;
2611
2612         /*
2613          * Currently this doesn't take the UNMAP
2614          * Granularity and Granularity Alignment
2615          * fields into account.
2616          *
2617          * This could result in both unoptimal unmap
2618          * requests as as well as UNMAP calls unmapping
2619          * fewer LBA's than requested.
2620          */
2621
2622         softc->delete_running = 1;
2623         bzero(softc->unmap_buf, sizeof(softc->unmap_buf));
2624         bp1 = bp;
2625         do {
2626                 bioq_remove(&softc->delete_queue, bp1);
2627                 if (bp1 != bp)
2628                         bioq_insert_tail(&softc->delete_run_queue, bp1);
2629                 lba = bp1->bio_pblkno;
2630                 count = bp1->bio_bcount / softc->params.secsize;
2631
2632                 /* Try to extend the previous range. */
2633                 if (lba == lastlba) {
2634                         c = omin(count, UNMAP_RANGE_MAX - lastcount);
2635                         lastcount += c;
2636                         off = ((ranges - 1) * UNMAP_RANGE_SIZE) +
2637                               UNMAP_HEAD_SIZE;
2638                         scsi_ulto4b(lastcount, &buf[off + 8]);
2639                         count -= c;
2640                         lba +=c;
2641                         totalcount += c;
2642                 }
2643
2644                 while (count > 0) {
2645                         c = omin(count, UNMAP_RANGE_MAX);
2646                         if (totalcount + c > softc->unmap_max_lba ||
2647                             ranges >= softc->unmap_max_ranges) {
2648                                 xpt_print(periph->path,
2649                                     "%s issuing short delete %ld > %ld"
2650                                     "|| %d >= %d",
2651                                     da_delete_method_desc[softc->delete_method],
2652                                     totalcount + c, softc->unmap_max_lba,
2653                                     ranges, softc->unmap_max_ranges);
2654                                 break;
2655                         }
2656                         off = (ranges * UNMAP_RANGE_SIZE) + UNMAP_HEAD_SIZE;
2657                         scsi_u64to8b(lba, &buf[off + 0]);
2658                         scsi_ulto4b(c, &buf[off + 8]);
2659                         lba += c;
2660                         totalcount += c;
2661                         ranges++;
2662                         count -= c;
2663                         lastcount = c;
2664                 }
2665                 lastlba = lba;
2666                 bp1 = bioq_first(&softc->delete_queue);
2667                 if (bp1 == NULL || ranges >= softc->unmap_max_ranges ||
2668                     totalcount + bp1->bio_bcount /
2669                     softc->params.secsize > softc->unmap_max_lba)
2670                         break;
2671         } while (1);
2672         scsi_ulto2b(ranges * 16 + 6, &buf[0]);
2673         scsi_ulto2b(ranges * 16, &buf[2]);
2674
2675         scsi_unmap(&ccb->csio,
2676                    /*retries*/da_retry_count,
2677                    /*cbfcnp*/dadone,
2678                    /*tag_action*/MSG_SIMPLE_Q_TAG,
2679                    /*byte2*/0,
2680                    /*data_ptr*/ buf,
2681                    /*dxfer_len*/ ranges * 16 + 8,
2682                    /*sense_len*/SSD_FULL_SIZE,
2683                    da_default_timeout * 1000);
2684         ccb->ccb_h.ccb_state = DA_CCB_DELETE;
2685         ccb->ccb_h.flags |= CAM_UNLOCKED;
2686 }
2687
2688 static void
2689 da_delete_trim(struct cam_periph *periph, union ccb *ccb, struct bio *bp)
2690 {
2691         struct da_softc *softc = (struct da_softc *)periph->softc;
2692         struct bio *bp1;
2693         uint8_t *buf = softc->unmap_buf;
2694         uint64_t lastlba = (uint64_t)-1;
2695         uint64_t count;
2696         uint64_t lba;
2697         uint32_t lastcount = 0, c, requestcount;
2698         int ranges = 0, off, block_count;
2699
2700         softc->delete_running = 1;
2701         bzero(softc->unmap_buf, sizeof(softc->unmap_buf));
2702         bp1 = bp;
2703         do {
2704                 bioq_remove(&softc->delete_queue, bp1);
2705                 if (bp1 != bp)
2706                         bioq_insert_tail(&softc->delete_run_queue, bp1);
2707                 lba = bp1->bio_pblkno;
2708                 count = bp1->bio_bcount / softc->params.secsize;
2709                 requestcount = count;
2710
2711                 /* Try to extend the previous range. */
2712                 if (lba == lastlba) {
2713                         c = omin(count, ATA_DSM_RANGE_MAX - lastcount);
2714                         lastcount += c;
2715                         off = (ranges - 1) * 8;
2716                         buf[off + 6] = lastcount & 0xff;
2717                         buf[off + 7] = (lastcount >> 8) & 0xff;
2718                         count -= c;
2719                         lba += c;
2720                 }
2721
2722                 while (count > 0) {
2723                         c = omin(count, ATA_DSM_RANGE_MAX);
2724                         off = ranges * 8;
2725
2726                         buf[off + 0] = lba & 0xff;
2727                         buf[off + 1] = (lba >> 8) & 0xff;
2728                         buf[off + 2] = (lba >> 16) & 0xff;
2729                         buf[off + 3] = (lba >> 24) & 0xff;
2730                         buf[off + 4] = (lba >> 32) & 0xff;
2731                         buf[off + 5] = (lba >> 40) & 0xff;
2732                         buf[off + 6] = c & 0xff;
2733                         buf[off + 7] = (c >> 8) & 0xff;
2734                         lba += c;
2735                         ranges++;
2736                         count -= c;
2737                         lastcount = c;
2738                         if (count != 0 && ranges == softc->trim_max_ranges) {
2739                                 xpt_print(periph->path,
2740                                     "%s issuing short delete %ld > %ld\n",
2741                                     da_delete_method_desc[softc->delete_method],
2742                                     requestcount,
2743                                     (softc->trim_max_ranges - ranges) *
2744                                     ATA_DSM_RANGE_MAX);
2745                                 break;
2746                         }
2747                 }
2748                 lastlba = lba;
2749                 bp1 = bioq_first(&softc->delete_queue);
2750                 if (bp1 == NULL || bp1->bio_bcount / softc->params.secsize >
2751                     (softc->trim_max_ranges - ranges) * ATA_DSM_RANGE_MAX)
2752                         break;
2753         } while (1);
2754
2755         block_count = (ranges + ATA_DSM_BLK_RANGES - 1) / ATA_DSM_BLK_RANGES;
2756         scsi_ata_trim(&ccb->csio,
2757                       /*retries*/da_retry_count,
2758                       /*cbfcnp*/dadone,
2759                       /*tag_action*/MSG_SIMPLE_Q_TAG,
2760                       block_count,
2761                       /*data_ptr*/buf,
2762                       /*dxfer_len*/block_count * ATA_DSM_BLK_SIZE,
2763                       /*sense_len*/SSD_FULL_SIZE,
2764                       da_default_timeout * 1000);
2765         ccb->ccb_h.ccb_state = DA_CCB_DELETE;
2766         ccb->ccb_h.flags |= CAM_UNLOCKED;
2767 }
2768
2769 /*
2770  * We calculate ws_max_blks here based off d_delmaxsize instead
2771  * of using softc->ws_max_blks as it is absolute max for the
2772  * device not the protocol max which may well be lower.
2773  */
2774 static void
2775 da_delete_ws(struct cam_periph *periph, union ccb *ccb, struct bio *bp)
2776 {
2777         struct da_softc *softc;
2778         struct bio *bp1;
2779         uint64_t ws_max_blks;
2780         uint64_t lba;
2781         uint64_t count; /* forward compat with WS32 */
2782
2783         softc = (struct da_softc *)periph->softc;
2784         ws_max_blks = softc->disk->d_delmaxsize / softc->params.secsize;
2785         softc->delete_running = 1;
2786         lba = bp->bio_pblkno;
2787         count = 0;
2788         bp1 = bp;
2789         do {
2790                 bioq_remove(&softc->delete_queue, bp1);
2791                 if (bp1 != bp)
2792                         bioq_insert_tail(&softc->delete_run_queue, bp1);
2793                 count += bp1->bio_bcount / softc->params.secsize;
2794                 if (count > ws_max_blks) {
2795                         xpt_print(periph->path,
2796                             "%s issuing short delete %ld > %ld\n",
2797                             da_delete_method_desc[softc->delete_method],
2798                             count, ws_max_blks);
2799                         count = omin(count, ws_max_blks);
2800                         break;
2801                 }
2802                 bp1 = bioq_first(&softc->delete_queue);
2803                 if (bp1 == NULL || lba + count != bp1->bio_pblkno ||
2804                     count + bp1->bio_bcount /
2805                     softc->params.secsize > ws_max_blks)
2806                         break;
2807         } while (1);
2808
2809         scsi_write_same(&ccb->csio,
2810                         /*retries*/da_retry_count,
2811                         /*cbfcnp*/dadone,
2812                         /*tag_action*/MSG_SIMPLE_Q_TAG,
2813                         /*byte2*/softc->delete_method ==
2814                             DA_DELETE_ZERO ? 0 : SWS_UNMAP,
2815                         softc->delete_method == DA_DELETE_WS16 ? 16 : 10,
2816                         /*lba*/lba,
2817                         /*block_count*/count,
2818                         /*data_ptr*/ __DECONST(void *, zero_region),
2819                         /*dxfer_len*/ softc->params.secsize,
2820                         /*sense_len*/SSD_FULL_SIZE,
2821                         da_default_timeout * 1000);
2822         ccb->ccb_h.ccb_state = DA_CCB_DELETE;
2823         ccb->ccb_h.flags |= CAM_UNLOCKED;
2824 }
2825
2826 static int
2827 cmd6workaround(union ccb *ccb)
2828 {
2829         struct scsi_rw_6 cmd6;
2830         struct scsi_rw_10 *cmd10;
2831         struct da_softc *softc;
2832         u_int8_t *cdb;
2833         struct bio *bp;
2834         int frozen;
2835
2836         cdb = ccb->csio.cdb_io.cdb_bytes;
2837         softc = (struct da_softc *)xpt_path_periph(ccb->ccb_h.path)->softc;
2838
2839         if (ccb->ccb_h.ccb_state == DA_CCB_DELETE) {
2840                 da_delete_methods old_method = softc->delete_method;
2841
2842                 /*
2843                  * Typically there are two reasons for failure here
2844                  * 1. Delete method was detected as supported but isn't
2845                  * 2. Delete failed due to invalid params e.g. too big
2846                  *
2847                  * While we will attempt to choose an alternative delete method
2848                  * this may result in short deletes if the existing delete
2849                  * requests from geom are big for the new method choosen.
2850                  *
2851                  * This method assumes that the error which triggered this
2852                  * will not retry the io otherwise a panic will occur
2853                  */
2854                 dadeleteflag(softc, old_method, 0);
2855                 dadeletemethodchoose(softc, DA_DELETE_DISABLE);
2856                 if (softc->delete_method == DA_DELETE_DISABLE)
2857                         xpt_print(ccb->ccb_h.path,
2858                                   "%s failed, disabling BIO_DELETE\n",
2859                                   da_delete_method_desc[old_method]);
2860                 else
2861                         xpt_print(ccb->ccb_h.path,
2862                                   "%s failed, switching to %s BIO_DELETE\n",
2863                                   da_delete_method_desc[old_method],
2864                                   da_delete_method_desc[softc->delete_method]);
2865
2866                 while ((bp = bioq_takefirst(&softc->delete_run_queue)) != NULL)
2867                         bioq_disksort(&softc->delete_queue, bp);
2868                 bioq_disksort(&softc->delete_queue,
2869                     (struct bio *)ccb->ccb_h.ccb_bp);
2870                 ccb->ccb_h.ccb_bp = NULL;
2871                 return (0);
2872         }
2873
2874         /* Detect unsupported PREVENT ALLOW MEDIUM REMOVAL. */
2875         if ((ccb->ccb_h.flags & CAM_CDB_POINTER) == 0 &&
2876             (*cdb == PREVENT_ALLOW) &&
2877             (softc->quirks & DA_Q_NO_PREVENT) == 0) {
2878                 if (bootverbose)
2879                         xpt_print(ccb->ccb_h.path,
2880                             "PREVENT ALLOW MEDIUM REMOVAL not supported.\n");
2881                 softc->quirks |= DA_Q_NO_PREVENT;
2882                 return (0);
2883         }
2884
2885         /* Detect unsupported SYNCHRONIZE CACHE(10). */
2886         if ((ccb->ccb_h.flags & CAM_CDB_POINTER) == 0 &&
2887             (*cdb == SYNCHRONIZE_CACHE) &&
2888             (softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) {
2889                 if (bootverbose)
2890                         xpt_print(ccb->ccb_h.path,
2891                             "SYNCHRONIZE CACHE(10) not supported.\n");
2892                 softc->quirks |= DA_Q_NO_SYNC_CACHE;
2893                 softc->disk->d_flags &= ~DISKFLAG_CANFLUSHCACHE;
2894                 return (0);
2895         }
2896
2897         /* Translation only possible if CDB is an array and cmd is R/W6 */
2898         if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0 ||
2899             (*cdb != READ_6 && *cdb != WRITE_6))
2900                 return 0;
2901
2902         xpt_print(ccb->ccb_h.path, "READ(6)/WRITE(6) not supported, "
2903             "increasing minimum_cmd_size to 10.\n");
2904         softc->minimum_cmd_size = 10;
2905
2906         bcopy(cdb, &cmd6, sizeof(struct scsi_rw_6));
2907         cmd10 = (struct scsi_rw_10 *)cdb;
2908         cmd10->opcode = (cmd6.opcode == READ_6) ? READ_10 : WRITE_10;
2909         cmd10->byte2 = 0;
2910         scsi_ulto4b(scsi_3btoul(cmd6.addr), cmd10->addr);
2911         cmd10->reserved = 0;
2912         scsi_ulto2b(cmd6.length, cmd10->length);
2913         cmd10->control = cmd6.control;
2914         ccb->csio.cdb_len = sizeof(*cmd10);
2915
2916         /* Requeue request, unfreezing queue if necessary */
2917         frozen = (ccb->ccb_h.status & CAM_DEV_QFRZN) != 0;
2918         ccb->ccb_h.status = CAM_REQUEUE_REQ;
2919         xpt_action(ccb);
2920         if (frozen) {
2921                 cam_release_devq(ccb->ccb_h.path,
2922                                  /*relsim_flags*/0,
2923                                  /*reduction*/0,
2924                                  /*timeout*/0,
2925                                  /*getcount_only*/0);
2926         }
2927         return (ERESTART);
2928 }
2929
2930 static void
2931 dadone(struct cam_periph *periph, union ccb *done_ccb)
2932 {
2933         struct da_softc *softc;
2934         struct ccb_scsiio *csio;
2935         u_int32_t  priority;
2936         da_ccb_state state;
2937
2938         softc = (struct da_softc *)periph->softc;
2939         priority = done_ccb->ccb_h.pinfo.priority;
2940
2941         CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone\n"));
2942
2943         csio = &done_ccb->csio;
2944         state = csio->ccb_h.ccb_state & DA_CCB_TYPE_MASK;
2945         switch (state) {
2946         case DA_CCB_BUFFER_IO:
2947         case DA_CCB_DELETE:
2948         {
2949                 struct bio *bp, *bp1;
2950
2951                 cam_periph_lock(periph);
2952                 bp = (struct bio *)done_ccb->ccb_h.ccb_bp;
2953                 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
2954                         int error;
2955                         int sf;
2956
2957                         if ((csio->ccb_h.ccb_state & DA_CCB_RETRY_UA) != 0)
2958                                 sf = SF_RETRY_UA;
2959                         else
2960                                 sf = 0;
2961
2962                         error = daerror(done_ccb, CAM_RETRY_SELTO, sf);
2963                         if (error == ERESTART) {
2964                                 /*
2965                                  * A retry was scheduled, so
2966                                  * just return.
2967                                  */
2968                                 cam_periph_unlock(periph);
2969                                 return;
2970                         }
2971                         bp = (struct bio *)done_ccb->ccb_h.ccb_bp;
2972                         if (error != 0) {
2973                                 int queued_error;
2974
2975                                 /*
2976                                  * return all queued I/O with EIO, so that
2977                                  * the client can retry these I/Os in the
2978                                  * proper order should it attempt to recover.
2979                                  */
2980                                 queued_error = EIO;
2981
2982                                 if (error == ENXIO
2983                                  && (softc->flags & DA_FLAG_PACK_INVALID)== 0) {
2984                                         /*
2985                                          * Catastrophic error.  Mark our pack as
2986                                          * invalid.
2987                                          */
2988                                         /*
2989                                          * XXX See if this is really a media
2990                                          * XXX change first?
2991                                          */
2992                                         xpt_print(periph->path,
2993                                             "Invalidating pack\n");
2994                                         softc->flags |= DA_FLAG_PACK_INVALID;
2995                                         queued_error = ENXIO;
2996                                 }
2997                                 bioq_flush(&softc->bio_queue, NULL,
2998                                            queued_error);
2999                                 if (bp != NULL) {
3000                                         bp->bio_error = error;
3001                                         bp->bio_resid = bp->bio_bcount;
3002                                         bp->bio_flags |= BIO_ERROR;
3003                                 }
3004                         } else if (bp != NULL) {
3005                                 if (state == DA_CCB_DELETE)
3006                                         bp->bio_resid = 0;
3007                                 else
3008                                         bp->bio_resid = csio->resid;
3009                                 bp->bio_error = 0;
3010                                 if (bp->bio_resid != 0)
3011                                         bp->bio_flags |= BIO_ERROR;
3012                         }
3013                         if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
3014                                 cam_release_devq(done_ccb->ccb_h.path,
3015                                                  /*relsim_flags*/0,
3016                                                  /*reduction*/0,
3017                                                  /*timeout*/0,
3018                                                  /*getcount_only*/0);
3019                 } else if (bp != NULL) {
3020                         if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
3021                                 panic("REQ_CMP with QFRZN");
3022                         if (state == DA_CCB_DELETE)
3023                                 bp->bio_resid = 0;
3024                         else
3025                                 bp->bio_resid = csio->resid;
3026                         if (csio->resid > 0)
3027                                 bp->bio_flags |= BIO_ERROR;
3028                         if (softc->error_inject != 0) {
3029                                 bp->bio_error = softc->error_inject;
3030                                 bp->bio_resid = bp->bio_bcount;
3031                                 bp->bio_flags |= BIO_ERROR;
3032                                 softc->error_inject = 0;
3033                         }
3034                 }
3035
3036                 LIST_REMOVE(&done_ccb->ccb_h, periph_links.le);
3037                 if (LIST_EMPTY(&softc->pending_ccbs))
3038                         softc->flags |= DA_FLAG_WAS_OTAG;
3039
3040                 xpt_release_ccb(done_ccb);
3041                 if (state == DA_CCB_DELETE) {
3042                         TAILQ_HEAD(, bio) queue;
3043
3044                         TAILQ_INIT(&queue);
3045                         TAILQ_CONCAT(&queue, &softc->delete_run_queue.queue, bio_queue);
3046                         softc->delete_run_queue.insert_point = NULL;
3047                         /*
3048                          * Normally, the xpt_release_ccb() above would make sure
3049                          * that when we have more work to do, that work would
3050                          * get kicked off. However, we specifically keep
3051                          * delete_running set to 0 before the call above to
3052                          * allow other I/O to progress when many BIO_DELETE
3053                          * requests are pushed down. We set delete_running to 0
3054                          * and call daschedule again so that we don't stall if
3055                          * there are no other I/Os pending apart from BIO_DELETEs.
3056                          */
3057                         softc->delete_running = 0;
3058                         daschedule(periph);
3059                         cam_periph_unlock(periph);
3060                         while ((bp1 = TAILQ_FIRST(&queue)) != NULL) {
3061                                 TAILQ_REMOVE(&queue, bp1, bio_queue);
3062                                 bp1->bio_error = bp->bio_error;
3063                                 if (bp->bio_flags & BIO_ERROR) {
3064                                         bp1->bio_flags |= BIO_ERROR;
3065                                         bp1->bio_resid = bp1->bio_bcount;
3066                                 } else
3067                                         bp1->bio_resid = 0;
3068                                 biodone(bp1);
3069                         }
3070                 } else
3071                         cam_periph_unlock(periph);
3072                 if (bp != NULL)
3073                         biodone(bp);
3074                 return;
3075         }
3076         case DA_CCB_PROBE_RC:
3077         case DA_CCB_PROBE_RC16:
3078         {
3079                 struct     scsi_read_capacity_data *rdcap;
3080                 struct     scsi_read_capacity_data_long *rcaplong;
3081                 char       announce_buf[80];
3082                 int        lbp;
3083
3084                 lbp = 0;
3085                 rdcap = NULL;
3086                 rcaplong = NULL;
3087                 if (state == DA_CCB_PROBE_RC)
3088                         rdcap =(struct scsi_read_capacity_data *)csio->data_ptr;
3089                 else
3090                         rcaplong = (struct scsi_read_capacity_data_long *)
3091                                 csio->data_ptr;
3092
3093                 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
3094                         struct disk_params *dp;
3095                         uint32_t block_size;
3096                         uint64_t maxsector;
3097                         u_int lalba;    /* Lowest aligned LBA. */
3098
3099                         if (state == DA_CCB_PROBE_RC) {
3100                                 block_size = scsi_4btoul(rdcap->length);
3101                                 maxsector = scsi_4btoul(rdcap->addr);
3102                                 lalba = 0;
3103
3104                                 /*
3105                                  * According to SBC-2, if the standard 10
3106                                  * byte READ CAPACITY command returns 2^32,
3107                                  * we should issue the 16 byte version of
3108                                  * the command, since the device in question
3109                                  * has more sectors than can be represented
3110                                  * with the short version of the command.
3111                                  */
3112                                 if (maxsector == 0xffffffff) {
3113                                         free(rdcap, M_SCSIDA);
3114                                         xpt_release_ccb(done_ccb);
3115                                         softc->state = DA_STATE_PROBE_RC16;
3116                                         xpt_schedule(periph, priority);
3117                                         return;
3118                                 }
3119                         } else {
3120                                 block_size = scsi_4btoul(rcaplong->length);
3121                                 maxsector = scsi_8btou64(rcaplong->addr);
3122                                 lalba = scsi_2btoul(rcaplong->lalba_lbp);
3123                         }
3124
3125                         /*
3126                          * Because GEOM code just will panic us if we
3127                          * give them an 'illegal' value we'll avoid that
3128                          * here.
3129                          */
3130                         if (block_size == 0) {
3131                                 block_size = 512;
3132                                 if (maxsector == 0)
3133                                         maxsector = -1;
3134                         }
3135                         if (block_size >= MAXPHYS) {
3136                                 xpt_print(periph->path,
3137                                     "unsupportable block size %ju\n",
3138                                     (uintmax_t) block_size);
3139                                 announce_buf[0] = '\0';
3140                                 cam_periph_invalidate(periph);
3141                         } else {
3142                                 /*
3143                                  * We pass rcaplong into dasetgeom(),
3144                                  * because it will only use it if it is
3145                                  * non-NULL.
3146                                  */
3147                                 dasetgeom(periph, block_size, maxsector,
3148                                           rcaplong, sizeof(*rcaplong));
3149                                 lbp = (lalba & SRC16_LBPME_A);
3150                                 dp = &softc->params;
3151                                 snprintf(announce_buf, sizeof(announce_buf),
3152                                     "%juMB (%ju %u byte sectors)",
3153                                     ((uintmax_t)dp->secsize * dp->sectors) /
3154                                      (1024 * 1024),
3155                                     (uintmax_t)dp->sectors, dp->secsize);
3156                         }
3157                 } else {
3158                         int     error;
3159
3160                         announce_buf[0] = '\0';
3161
3162                         /*
3163                          * Retry any UNIT ATTENTION type errors.  They
3164                          * are expected at boot.
3165                          */
3166                         error = daerror(done_ccb, CAM_RETRY_SELTO,
3167                                         SF_RETRY_UA|SF_NO_PRINT);
3168                         if (error == ERESTART) {
3169                                 /*
3170                                  * A retry was scheuled, so
3171                                  * just return.
3172                                  */
3173                                 return;
3174                         } else if (error != 0) {
3175                                 int asc, ascq;
3176                                 int sense_key, error_code;
3177                                 int have_sense;
3178                                 cam_status status;
3179                                 struct ccb_getdev cgd;
3180
3181                                 /* Don't wedge this device's queue */
3182                                 status = done_ccb->ccb_h.status;
3183                                 if ((status & CAM_DEV_QFRZN) != 0)
3184                                         cam_release_devq(done_ccb->ccb_h.path,
3185                                                          /*relsim_flags*/0,
3186                                                          /*reduction*/0,
3187                                                          /*timeout*/0,
3188                                                          /*getcount_only*/0);
3189
3190
3191                                 xpt_setup_ccb(&cgd.ccb_h,
3192                                               done_ccb->ccb_h.path,
3193                                               CAM_PRIORITY_NORMAL);
3194                                 cgd.ccb_h.func_code = XPT_GDEV_TYPE;
3195                                 xpt_action((union ccb *)&cgd);
3196
3197                                 if (scsi_extract_sense_ccb(done_ccb,
3198                                     &error_code, &sense_key, &asc, &ascq))
3199                                         have_sense = TRUE;
3200                                 else
3201                                         have_sense = FALSE;
3202
3203                                 /*
3204                                  * If we tried READ CAPACITY(16) and failed,
3205                                  * fallback to READ CAPACITY(10).
3206                                  */
3207                                 if ((state == DA_CCB_PROBE_RC16) &&
3208                                     (softc->flags & DA_FLAG_CAN_RC16) &&
3209                                     (((csio->ccb_h.status & CAM_STATUS_MASK) ==
3210                                         CAM_REQ_INVALID) ||
3211                                      ((have_sense) &&
3212                                       (error_code == SSD_CURRENT_ERROR) &&
3213                                       (sense_key == SSD_KEY_ILLEGAL_REQUEST)))) {
3214                                         softc->flags &= ~DA_FLAG_CAN_RC16;
3215                                         free(rdcap, M_SCSIDA);
3216                                         xpt_release_ccb(done_ccb);
3217                                         softc->state = DA_STATE_PROBE_RC;
3218                                         xpt_schedule(periph, priority);
3219                                         return;
3220                                 } else
3221                                 /*
3222                                  * Attach to anything that claims to be a
3223                                  * direct access or optical disk device,
3224                                  * as long as it doesn't return a "Logical
3225                                  * unit not supported" (0x25) error.
3226                                  */
3227                                 if ((have_sense) && (asc != 0x25)
3228                                  && (error_code == SSD_CURRENT_ERROR)) {
3229                                         const char *sense_key_desc;
3230                                         const char *asc_desc;
3231
3232                                         dasetgeom(periph, 512, -1, NULL, 0);
3233                                         scsi_sense_desc(sense_key, asc, ascq,
3234                                                         &cgd.inq_data,
3235                                                         &sense_key_desc,
3236                                                         &asc_desc);
3237                                         snprintf(announce_buf,
3238                                             sizeof(announce_buf),
3239                                                 "Attempt to query device "
3240                                                 "size failed: %s, %s",
3241                                                 sense_key_desc,
3242                                                 asc_desc);
3243                                 } else {
3244                                         if (have_sense)
3245                                                 scsi_sense_print(
3246                                                         &done_ccb->csio);
3247                                         else {
3248                                                 xpt_print(periph->path,
3249                                                     "got CAM status %#x\n",
3250                                                     done_ccb->ccb_h.status);
3251                                         }
3252
3253                                         xpt_print(periph->path, "fatal error, "
3254                                             "failed to attach to device\n");
3255
3256                                         /*
3257                                          * Free up resources.
3258                                          */
3259                                         cam_periph_invalidate(periph);
3260                                 }
3261                         }
3262                 }
3263                 free(csio->data_ptr, M_SCSIDA);
3264                 if (announce_buf[0] != '\0' &&
3265                     ((softc->flags & DA_FLAG_ANNOUNCED) == 0)) {
3266                         /*
3267                          * Create our sysctl variables, now that we know
3268                          * we have successfully attached.
3269                          */
3270                         /* increase the refcount */
3271                         if (cam_periph_acquire(periph) == CAM_REQ_CMP) {
3272                                 taskqueue_enqueue(taskqueue_thread,
3273                                                   &softc->sysctl_task);
3274                                 xpt_announce_periph(periph, announce_buf);
3275                                 xpt_announce_quirks(periph, softc->quirks,
3276                                     DA_Q_BIT_STRING);
3277                         } else {
3278                                 xpt_print(periph->path, "fatal error, "
3279                                     "could not acquire reference count\n");
3280                         }
3281                 }
3282
3283                 /* We already probed the device. */
3284                 if (softc->flags & DA_FLAG_PROBED) {
3285                         daprobedone(periph, done_ccb);
3286                         return;
3287                 }
3288
3289                 /* Ensure re-probe doesn't see old delete. */
3290                 softc->delete_available = 0;
3291                 dadeleteflag(softc, DA_DELETE_ZERO, 1);
3292                 if (lbp && (softc->quirks & DA_Q_NO_UNMAP) == 0) {
3293                         /*
3294                          * Based on older SBC-3 spec revisions
3295                          * any of the UNMAP methods "may" be
3296                          * available via LBP given this flag so
3297                          * we flag all of them as availble and
3298                          * then remove those which further
3299                          * probes confirm aren't available
3300                          * later.
3301                          *
3302                          * We could also check readcap(16) p_type
3303                          * flag to exclude one or more invalid
3304                          * write same (X) types here
3305                          */
3306                         dadeleteflag(softc, DA_DELETE_WS16, 1);
3307                         dadeleteflag(softc, DA_DELETE_WS10, 1);
3308                         dadeleteflag(softc, DA_DELETE_UNMAP, 1);
3309
3310                         xpt_release_ccb(done_ccb);
3311                         softc->state = DA_STATE_PROBE_LBP;
3312                         xpt_schedule(periph, priority);
3313                         return;
3314                 }
3315
3316                 xpt_release_ccb(done_ccb);
3317                 softc->state = DA_STATE_PROBE_BDC;
3318                 xpt_schedule(periph, priority);
3319                 return;
3320         }
3321         case DA_CCB_PROBE_LBP:
3322         {
3323                 struct scsi_vpd_logical_block_prov *lbp;
3324
3325                 lbp = (struct scsi_vpd_logical_block_prov *)csio->data_ptr;
3326
3327                 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
3328                         /*
3329                          * T10/1799-D Revision 31 states at least one of these
3330                          * must be supported but we don't currently enforce this.
3331                          */
3332                         dadeleteflag(softc, DA_DELETE_WS16,
3333                                      (lbp->flags & SVPD_LBP_WS16));
3334                         dadeleteflag(softc, DA_DELETE_WS10,
3335                                      (lbp->flags & SVPD_LBP_WS10));
3336                         dadeleteflag(softc, DA_DELETE_UNMAP,
3337                                      (lbp->flags & SVPD_LBP_UNMAP));
3338                 } else {
3339                         int error;
3340                         error = daerror(done_ccb, CAM_RETRY_SELTO,
3341                                         SF_RETRY_UA|SF_NO_PRINT);
3342                         if (error == ERESTART)
3343                                 return;
3344                         else if (error != 0) {
3345                                 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
3346                                         /* Don't wedge this device's queue */
3347                                         cam_release_devq(done_ccb->ccb_h.path,
3348                                                          /*relsim_flags*/0,
3349                                                          /*reduction*/0,
3350                                                          /*timeout*/0,
3351                                                          /*getcount_only*/0);
3352                                 }
3353
3354                                 /*
3355                                  * Failure indicates we don't support any SBC-3
3356                                  * delete methods with UNMAP
3357                                  */
3358                         }
3359                 }
3360
3361                 free(lbp, M_SCSIDA);
3362                 xpt_release_ccb(done_ccb);
3363                 softc->state = DA_STATE_PROBE_BLK_LIMITS;
3364                 xpt_schedule(periph, priority);
3365                 return;
3366         }
3367         case DA_CCB_PROBE_BLK_LIMITS:
3368         {
3369                 struct scsi_vpd_block_limits *block_limits;
3370
3371                 block_limits = (struct scsi_vpd_block_limits *)csio->data_ptr;
3372
3373                 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
3374                         uint32_t max_txfer_len = scsi_4btoul(
3375                                 block_limits->max_txfer_len);
3376                         uint32_t max_unmap_lba_cnt = scsi_4btoul(
3377                                 block_limits->max_unmap_lba_cnt);
3378                         uint32_t max_unmap_blk_cnt = scsi_4btoul(
3379                                 block_limits->max_unmap_blk_cnt);
3380                         uint64_t ws_max_blks = scsi_8btou64(
3381                                 block_limits->max_write_same_length);
3382
3383                         if (max_txfer_len != 0) {
3384                                 softc->disk->d_maxsize = MIN(softc->maxio,
3385                                     (off_t)max_txfer_len * softc->params.secsize);
3386                         }
3387
3388                         /*
3389                          * We should already support UNMAP but we check lba
3390                          * and block count to be sure
3391                          */
3392                         if (max_unmap_lba_cnt != 0x00L &&
3393                             max_unmap_blk_cnt != 0x00L) {
3394                                 softc->unmap_max_lba = max_unmap_lba_cnt;
3395                                 softc->unmap_max_ranges = min(max_unmap_blk_cnt,
3396                                         UNMAP_MAX_RANGES);
3397                         } else {
3398                                 /*
3399                                  * Unexpected UNMAP limits which means the
3400                                  * device doesn't actually support UNMAP
3401                                  */
3402                                 dadeleteflag(softc, DA_DELETE_UNMAP, 0);
3403                         }
3404
3405                         if (ws_max_blks != 0x00L)
3406                                 softc->ws_max_blks = ws_max_blks;
3407                 } else {
3408                         int error;
3409                         error = daerror(done_ccb, CAM_RETRY_SELTO,
3410                                         SF_RETRY_UA|SF_NO_PRINT);
3411                         if (error == ERESTART)
3412                                 return;
3413                         else if (error != 0) {
3414                                 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
3415                                         /* Don't wedge this device's queue */
3416                                         cam_release_devq(done_ccb->ccb_h.path,
3417                                                          /*relsim_flags*/0,
3418                                                          /*reduction*/0,
3419                                                          /*timeout*/0,
3420                                                          /*getcount_only*/0);
3421                                 }
3422
3423                                 /*
3424                                  * Failure here doesn't mean UNMAP is not
3425                                  * supported as this is an optional page.
3426                                  */
3427                                 softc->unmap_max_lba = 1;
3428                                 softc->unmap_max_ranges = 1;
3429                         }
3430                 }
3431
3432                 free(block_limits, M_SCSIDA);
3433                 xpt_release_ccb(done_ccb);
3434                 softc->state = DA_STATE_PROBE_BDC;
3435                 xpt_schedule(periph, priority);
3436                 return;
3437         }
3438         case DA_CCB_PROBE_BDC:
3439         {
3440                 struct scsi_vpd_block_characteristics *bdc;
3441
3442                 bdc = (struct scsi_vpd_block_characteristics *)csio->data_ptr;
3443
3444                 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
3445                         /*
3446                          * Disable queue sorting for non-rotational media
3447                          * by default.
3448                          */
3449                         u_int16_t old_rate = softc->disk->d_rotation_rate;
3450
3451                         softc->disk->d_rotation_rate =
3452                                 scsi_2btoul(bdc->medium_rotation_rate);
3453                         if (softc->disk->d_rotation_rate ==
3454                             SVPD_BDC_RATE_NON_ROTATING) {
3455                                 softc->sort_io_queue = 0;
3456                         }
3457                         if (softc->disk->d_rotation_rate != old_rate) {
3458                                 disk_attr_changed(softc->disk,
3459                                     "GEOM::rotation_rate", M_NOWAIT);
3460                         }
3461                 } else {
3462                         int error;
3463                         error = daerror(done_ccb, CAM_RETRY_SELTO,
3464                                         SF_RETRY_UA|SF_NO_PRINT);
3465                         if (error == ERESTART)
3466                                 return;
3467                         else if (error != 0) {
3468                                 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
3469                                         /* Don't wedge this device's queue */
3470                                         cam_release_devq(done_ccb->ccb_h.path,
3471                                                          /*relsim_flags*/0,
3472                                                          /*reduction*/0,
3473                                                          /*timeout*/0,
3474                                                          /*getcount_only*/0);
3475                                 }
3476                         }
3477                 }
3478
3479                 free(bdc, M_SCSIDA);
3480                 xpt_release_ccb(done_ccb);
3481                 softc->state = DA_STATE_PROBE_ATA;
3482                 xpt_schedule(periph, priority);
3483                 return;
3484         }
3485         case DA_CCB_PROBE_ATA:
3486         {
3487                 int i;
3488                 struct ata_params *ata_params;
3489                 int16_t *ptr;
3490
3491                 ata_params = (struct ata_params *)csio->data_ptr;
3492                 ptr = (uint16_t *)ata_params;
3493
3494                 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
3495                         uint16_t old_rate;
3496
3497                         for (i = 0; i < sizeof(*ata_params) / 2; i++)
3498                                 ptr[i] = le16toh(ptr[i]);
3499                         if (ata_params->support_dsm & ATA_SUPPORT_DSM_TRIM &&
3500                             (softc->quirks & DA_Q_NO_UNMAP) == 0) {
3501                                 dadeleteflag(softc, DA_DELETE_ATA_TRIM, 1);
3502                                 if (ata_params->max_dsm_blocks != 0)
3503                                         softc->trim_max_ranges = min(
3504                                           softc->trim_max_ranges,
3505                                           ata_params->max_dsm_blocks *
3506                                           ATA_DSM_BLK_RANGES);
3507                         }
3508                         /*
3509                          * Disable queue sorting for non-rotational media
3510                          * by default.
3511                          */
3512                         old_rate = softc->disk->d_rotation_rate;
3513                         softc->disk->d_rotation_rate =
3514                             ata_params->media_rotation_rate;
3515                         if (softc->disk->d_rotation_rate ==
3516                             ATA_RATE_NON_ROTATING) {
3517                                 softc->sort_io_queue = 0;
3518                         }
3519
3520                         if (softc->disk->d_rotation_rate != old_rate) {
3521                                 disk_attr_changed(softc->disk,
3522                                     "GEOM::rotation_rate", M_NOWAIT);
3523                         }
3524                 } else {
3525                         int error;
3526                         error = daerror(done_ccb, CAM_RETRY_SELTO,
3527                                         SF_RETRY_UA|SF_NO_PRINT);
3528                         if (error == ERESTART)
3529                                 return;
3530                         else if (error != 0) {
3531                                 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
3532                                         /* Don't wedge this device's queue */
3533                                         cam_release_devq(done_ccb->ccb_h.path,
3534                                                          /*relsim_flags*/0,
3535                                                          /*reduction*/0,
3536                                                          /*timeout*/0,
3537                                                          /*getcount_only*/0);
3538                                 }
3539                         }
3540                 }
3541
3542                 free(ata_params, M_SCSIDA);
3543                 daprobedone(periph, done_ccb);
3544                 return;
3545         }
3546         case DA_CCB_DUMP:
3547                 /* No-op.  We're polling */
3548                 return;
3549         case DA_CCB_TUR:
3550         {
3551                 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
3552
3553                         if (daerror(done_ccb, CAM_RETRY_SELTO,
3554                             SF_RETRY_UA | SF_NO_RECOVERY | SF_NO_PRINT) ==
3555                             ERESTART)
3556                                 return;
3557                         if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
3558                                 cam_release_devq(done_ccb->ccb_h.path,
3559                                                  /*relsim_flags*/0,
3560                                                  /*reduction*/0,
3561                                                  /*timeout*/0,
3562                                                  /*getcount_only*/0);
3563                 }
3564                 xpt_release_ccb(done_ccb);
3565                 cam_periph_release_locked(periph);
3566                 return;
3567         }
3568         default:
3569                 break;
3570         }
3571         xpt_release_ccb(done_ccb);
3572 }
3573
3574 static void
3575 dareprobe(struct cam_periph *periph)
3576 {
3577         struct da_softc   *softc;
3578         cam_status status;
3579
3580         softc = (struct da_softc *)periph->softc;
3581
3582         /* Probe in progress; don't interfere. */
3583         if (softc->state != DA_STATE_NORMAL)
3584                 return;
3585
3586         status = cam_periph_acquire(periph);
3587         KASSERT(status == CAM_REQ_CMP,
3588             ("dareprobe: cam_periph_acquire failed"));
3589
3590         if (softc->flags & DA_FLAG_CAN_RC16)
3591                 softc->state = DA_STATE_PROBE_RC16;
3592         else
3593                 softc->state = DA_STATE_PROBE_RC;
3594
3595         xpt_schedule(periph, CAM_PRIORITY_DEV);
3596 }
3597
3598 static int
3599 daerror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags)
3600 {
3601         struct da_softc   *softc;
3602         struct cam_periph *periph;
3603         int error, error_code, sense_key, asc, ascq;
3604
3605         periph = xpt_path_periph(ccb->ccb_h.path);
3606         softc = (struct da_softc *)periph->softc;
3607
3608         /*
3609          * Automatically detect devices that do not support
3610          * READ(6)/WRITE(6) and upgrade to using 10 byte cdbs.
3611          */
3612         error = 0;
3613         if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INVALID) {
3614                 error = cmd6workaround(ccb);
3615         } else if (scsi_extract_sense_ccb(ccb,
3616             &error_code, &sense_key, &asc, &ascq)) {
3617                 if (sense_key == SSD_KEY_ILLEGAL_REQUEST)
3618                         error = cmd6workaround(ccb);
3619                 /*
3620                  * If the target replied with CAPACITY DATA HAS CHANGED UA,
3621                  * query the capacity and notify upper layers.
3622                  */
3623                 else if (sense_key == SSD_KEY_UNIT_ATTENTION &&
3624                     asc == 0x2A && ascq == 0x09) {
3625                         xpt_print(periph->path, "Capacity data has changed\n");
3626                         softc->flags &= ~DA_FLAG_PROBED;
3627                         dareprobe(periph);
3628                         sense_flags |= SF_NO_PRINT;
3629                 } else if (sense_key == SSD_KEY_UNIT_ATTENTION &&
3630                     asc == 0x28 && ascq == 0x00) {
3631                         softc->flags &= ~DA_FLAG_PROBED;
3632                         disk_media_changed(softc->disk, M_NOWAIT);
3633                 } else if (sense_key == SSD_KEY_UNIT_ATTENTION &&
3634                     asc == 0x3F && ascq == 0x03) {
3635                         xpt_print(periph->path, "INQUIRY data has changed\n");
3636                         softc->flags &= ~DA_FLAG_PROBED;
3637                         dareprobe(periph);
3638                         sense_flags |= SF_NO_PRINT;
3639                 } else if (sense_key == SSD_KEY_NOT_READY &&
3640                     asc == 0x3a && (softc->flags & DA_FLAG_PACK_INVALID) == 0) {
3641                         softc->flags |= DA_FLAG_PACK_INVALID;
3642                         disk_media_gone(softc->disk, M_NOWAIT);
3643                 }
3644         }
3645         if (error == ERESTART)
3646                 return (ERESTART);
3647
3648         /*
3649          * XXX
3650          * Until we have a better way of doing pack validation,
3651          * don't treat UAs as errors.
3652          */
3653         sense_flags |= SF_RETRY_UA;
3654
3655         if (softc->quirks & DA_Q_RETRY_BUSY)
3656                 sense_flags |= SF_RETRY_BUSY;
3657         return(cam_periph_error(ccb, cam_flags, sense_flags,
3658                                 &softc->saved_ccb));
3659 }
3660
3661 static void
3662 damediapoll(void *arg)
3663 {
3664         struct cam_periph *periph = arg;
3665         struct da_softc *softc = periph->softc;
3666
3667         if (!softc->tur && LIST_EMPTY(&softc->pending_ccbs)) {
3668                 if (cam_periph_acquire(periph) == CAM_REQ_CMP) {
3669                         softc->tur = 1;
3670                         daschedule(periph);
3671                 }
3672         }
3673         /* Queue us up again */
3674         if (da_poll_period != 0)
3675                 callout_schedule(&softc->mediapoll_c, da_poll_period * hz);
3676 }
3677
3678 static void
3679 daprevent(struct cam_periph *periph, int action)
3680 {
3681         struct  da_softc *softc;
3682         union   ccb *ccb;
3683         int     error;
3684
3685         softc = (struct da_softc *)periph->softc;
3686
3687         if (((action == PR_ALLOW)
3688           && (softc->flags & DA_FLAG_PACK_LOCKED) == 0)
3689          || ((action == PR_PREVENT)
3690           && (softc->flags & DA_FLAG_PACK_LOCKED) != 0)) {
3691                 return;
3692         }
3693
3694         ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
3695
3696         scsi_prevent(&ccb->csio,
3697                      /*retries*/1,
3698                      /*cbcfp*/dadone,
3699                      MSG_SIMPLE_Q_TAG,
3700                      action,
3701                      SSD_FULL_SIZE,
3702                      5000);
3703
3704         error = cam_periph_runccb(ccb, daerror, CAM_RETRY_SELTO,
3705             SF_RETRY_UA | SF_NO_PRINT, softc->disk->d_devstat);
3706
3707         if (error == 0) {
3708                 if (action == PR_ALLOW)
3709                         softc->flags &= ~DA_FLAG_PACK_LOCKED;
3710                 else
3711                         softc->flags |= DA_FLAG_PACK_LOCKED;
3712         }
3713
3714         xpt_release_ccb(ccb);
3715 }
3716
3717 static void
3718 dasetgeom(struct cam_periph *periph, uint32_t block_len, uint64_t maxsector,
3719           struct scsi_read_capacity_data_long *rcaplong, size_t rcap_len)
3720 {
3721         struct ccb_calc_geometry ccg;
3722         struct da_softc *softc;
3723         struct disk_params *dp;
3724         u_int lbppbe, lalba;
3725         int error;
3726
3727         softc = (struct da_softc *)periph->softc;
3728
3729         dp = &softc->params;
3730         dp->secsize = block_len;
3731         dp->sectors = maxsector + 1;
3732         if (rcaplong != NULL) {
3733                 lbppbe = rcaplong->prot_lbppbe & SRC16_LBPPBE;
3734                 lalba = scsi_2btoul(rcaplong->lalba_lbp);
3735                 lalba &= SRC16_LALBA_A;
3736         } else {
3737                 lbppbe = 0;
3738                 lalba = 0;
3739         }
3740
3741         if (lbppbe > 0) {
3742                 dp->stripesize = block_len << lbppbe;
3743                 dp->stripeoffset = (dp->stripesize - block_len * lalba) %
3744                     dp->stripesize;
3745         } else if (softc->quirks & DA_Q_4K) {
3746                 dp->stripesize = 4096;
3747                 dp->stripeoffset = 0;
3748         } else {
3749                 dp->stripesize = 0;
3750                 dp->stripeoffset = 0;
3751         }
3752         /*
3753          * Have the controller provide us with a geometry
3754          * for this disk.  The only time the geometry
3755          * matters is when we boot and the controller
3756          * is the only one knowledgeable enough to come
3757          * up with something that will make this a bootable
3758          * device.
3759          */
3760         xpt_setup_ccb(&ccg.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
3761         ccg.ccb_h.func_code = XPT_CALC_GEOMETRY;
3762         ccg.block_size = dp->secsize;
3763         ccg.volume_size = dp->sectors;
3764         ccg.heads = 0;
3765         ccg.secs_per_track = 0;
3766         ccg.cylinders = 0;
3767         xpt_action((union ccb*)&ccg);
3768         if ((ccg.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
3769                 /*
3770                  * We don't know what went wrong here- but just pick
3771                  * a geometry so we don't have nasty things like divide
3772                  * by zero.
3773                  */
3774                 dp->heads = 255;
3775                 dp->secs_per_track = 255;
3776                 dp->cylinders = dp->sectors / (255 * 255);
3777                 if (dp->cylinders == 0) {
3778                         dp->cylinders = 1;
3779                 }
3780         } else {
3781                 dp->heads = ccg.heads;
3782                 dp->secs_per_track = ccg.secs_per_track;
3783                 dp->cylinders = ccg.cylinders;
3784         }
3785
3786         /*
3787          * If the user supplied a read capacity buffer, and if it is
3788          * different than the previous buffer, update the data in the EDT.
3789          * If it's the same, we don't bother.  This avoids sending an
3790          * update every time someone opens this device.
3791          */
3792         if ((rcaplong != NULL)
3793          && (bcmp(rcaplong, &softc->rcaplong,
3794                   min(sizeof(softc->rcaplong), rcap_len)) != 0)) {
3795                 struct ccb_dev_advinfo cdai;
3796
3797                 xpt_setup_ccb(&cdai.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
3798                 cdai.ccb_h.func_code = XPT_DEV_ADVINFO;
3799                 cdai.buftype = CDAI_TYPE_RCAPLONG;
3800                 cdai.flags = CDAI_FLAG_STORE;
3801                 cdai.bufsiz = rcap_len;
3802                 cdai.buf = (uint8_t *)rcaplong;
3803                 xpt_action((union ccb *)&cdai);
3804                 if ((cdai.ccb_h.status & CAM_DEV_QFRZN) != 0)
3805                         cam_release_devq(cdai.ccb_h.path, 0, 0, 0, FALSE);
3806                 if (cdai.ccb_h.status != CAM_REQ_CMP) {
3807                         xpt_print(periph->path, "%s: failed to set read "
3808                                   "capacity advinfo\n", __func__);
3809                         /* Use cam_error_print() to decode the status */
3810                         cam_error_print((union ccb *)&cdai, CAM_ESF_CAM_STATUS,
3811                                         CAM_EPF_ALL);
3812                 } else {
3813                         bcopy(rcaplong, &softc->rcaplong,
3814                               min(sizeof(softc->rcaplong), rcap_len));
3815                 }
3816         }
3817
3818         softc->disk->d_sectorsize = softc->params.secsize;
3819         softc->disk->d_mediasize = softc->params.secsize * (off_t)softc->params.sectors;
3820         softc->disk->d_stripesize = softc->params.stripesize;
3821         softc->disk->d_stripeoffset = softc->params.stripeoffset;
3822         /* XXX: these are not actually "firmware" values, so they may be wrong */
3823         softc->disk->d_fwsectors = softc->params.secs_per_track;
3824         softc->disk->d_fwheads = softc->params.heads;
3825         softc->disk->d_devstat->block_size = softc->params.secsize;
3826         softc->disk->d_devstat->flags &= ~DEVSTAT_BS_UNAVAILABLE;
3827
3828         error = disk_resize(softc->disk, M_NOWAIT);
3829         if (error != 0)
3830                 xpt_print(periph->path, "disk_resize(9) failed, error = %d\n", error);
3831 }
3832
3833 static void
3834 dasendorderedtag(void *arg)
3835 {
3836         struct da_softc *softc = arg;
3837
3838         if (da_send_ordered) {
3839                 if (!LIST_EMPTY(&softc->pending_ccbs)) {
3840                         if ((softc->flags & DA_FLAG_WAS_OTAG) == 0)
3841                                 softc->flags |= DA_FLAG_NEED_OTAG;
3842                         softc->flags &= ~DA_FLAG_WAS_OTAG;
3843                 }
3844         }
3845         /* Queue us up again */
3846         callout_reset(&softc->sendordered_c,
3847             (da_default_timeout * hz) / DA_ORDEREDTAG_INTERVAL,
3848             dasendorderedtag, softc);
3849 }
3850
3851 /*
3852  * Step through all DA peripheral drivers, and if the device is still open,
3853  * sync the disk cache to physical media.
3854  */
3855 static void
3856 dashutdown(void * arg, int howto)
3857 {
3858         struct cam_periph *periph;
3859         struct da_softc *softc;
3860         union ccb *ccb;
3861         int error;
3862
3863         CAM_PERIPH_FOREACH(periph, &dadriver) {
3864                 softc = (struct da_softc *)periph->softc;
3865                 if (SCHEDULER_STOPPED()) {
3866                         /* If we paniced with the lock held, do not recurse. */
3867                         if (!cam_periph_owned(periph) &&
3868                             (softc->flags & DA_FLAG_OPEN)) {
3869                                 dadump(softc->disk, NULL, 0, 0, 0);
3870                         }
3871                         continue;
3872                 }
3873                 cam_periph_lock(periph);
3874
3875                 /*
3876                  * We only sync the cache if the drive is still open, and
3877                  * if the drive is capable of it..
3878                  */
3879                 if (((softc->flags & DA_FLAG_OPEN) == 0)
3880                  || (softc->quirks & DA_Q_NO_SYNC_CACHE)) {
3881                         cam_periph_unlock(periph);
3882                         continue;
3883                 }
3884
3885                 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
3886                 scsi_synchronize_cache(&ccb->csio,
3887                                        /*retries*/0,
3888                                        /*cbfcnp*/dadone,
3889                                        MSG_SIMPLE_Q_TAG,
3890                                        /*begin_lba*/0, /* whole disk */
3891                                        /*lb_count*/0,
3892                                        SSD_FULL_SIZE,
3893                                        60 * 60 * 1000);
3894
3895                 error = cam_periph_runccb(ccb, daerror, /*cam_flags*/0,
3896                     /*sense_flags*/ SF_NO_RECOVERY | SF_NO_RETRY | SF_QUIET_IR,
3897                     softc->disk->d_devstat);
3898                 if (error != 0)
3899                         xpt_print(periph->path, "Synchronize cache failed\n");
3900                 xpt_release_ccb(ccb);
3901                 cam_periph_unlock(periph);
3902         }
3903 }
3904
3905 #else /* !_KERNEL */
3906
3907 /*
3908  * XXX These are only left out of the kernel build to silence warnings.  If,
3909  * for some reason these functions are used in the kernel, the ifdefs should
3910  * be moved so they are included both in the kernel and userland.
3911  */
3912 void
3913 scsi_format_unit(struct ccb_scsiio *csio, u_int32_t retries,
3914                  void (*cbfcnp)(struct cam_periph *, union ccb *),
3915                  u_int8_t tag_action, u_int8_t byte2, u_int16_t ileave,
3916                  u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len,
3917                  u_int32_t timeout)
3918 {
3919         struct scsi_format_unit *scsi_cmd;
3920
3921         scsi_cmd = (struct scsi_format_unit *)&csio->cdb_io.cdb_bytes;
3922         scsi_cmd->opcode = FORMAT_UNIT;
3923         scsi_cmd->byte2 = byte2;
3924         scsi_ulto2b(ileave, scsi_cmd->interleave);
3925
3926         cam_fill_csio(csio,
3927                       retries,
3928                       cbfcnp,
3929                       /*flags*/ (dxfer_len > 0) ? CAM_DIR_OUT : CAM_DIR_NONE,
3930                       tag_action,
3931                       data_ptr,
3932                       dxfer_len,
3933                       sense_len,
3934                       sizeof(*scsi_cmd),
3935                       timeout);
3936 }
3937
3938 void
3939 scsi_read_defects(struct ccb_scsiio *csio, uint32_t retries,
3940                   void (*cbfcnp)(struct cam_periph *, union ccb *),
3941                   uint8_t tag_action, uint8_t list_format,
3942                   uint32_t addr_desc_index, uint8_t *data_ptr,
3943                   uint32_t dxfer_len, int minimum_cmd_size,
3944                   uint8_t sense_len, uint32_t timeout)
3945 {
3946         uint8_t cdb_len;
3947
3948         /*
3949          * These conditions allow using the 10 byte command.  Otherwise we
3950          * need to use the 12 byte command.
3951          */
3952         if ((minimum_cmd_size <= 10)
3953          && (addr_desc_index == 0)
3954          && (dxfer_len <= SRDD10_MAX_LENGTH)) {
3955                 struct scsi_read_defect_data_10 *cdb10;
3956
3957                 cdb10 = (struct scsi_read_defect_data_10 *)
3958                         &csio->cdb_io.cdb_bytes;
3959
3960                 cdb_len = sizeof(*cdb10);
3961                 bzero(cdb10, cdb_len);
3962                 cdb10->opcode = READ_DEFECT_DATA_10;
3963                 cdb10->format = list_format;
3964                 scsi_ulto2b(dxfer_len, cdb10->alloc_length);
3965         } else {
3966                 struct scsi_read_defect_data_12 *cdb12;
3967
3968                 cdb12 = (struct scsi_read_defect_data_12 *)
3969                         &csio->cdb_io.cdb_bytes;
3970
3971                 cdb_len = sizeof(*cdb12);
3972                 bzero(cdb12, cdb_len);
3973                 cdb12->opcode = READ_DEFECT_DATA_12;
3974                 cdb12->format = list_format;
3975                 scsi_ulto4b(dxfer_len, cdb12->alloc_length);
3976                 scsi_ulto4b(addr_desc_index, cdb12->address_descriptor_index);
3977         }
3978
3979         cam_fill_csio(csio,
3980                       retries,
3981                       cbfcnp,
3982                       /*flags*/ CAM_DIR_IN,
3983                       tag_action,
3984                       data_ptr,
3985                       dxfer_len,
3986                       sense_len,
3987                       cdb_len,
3988                       timeout);
3989 }
3990
3991 void
3992 scsi_sanitize(struct ccb_scsiio *csio, u_int32_t retries,
3993               void (*cbfcnp)(struct cam_periph *, union ccb *),
3994               u_int8_t tag_action, u_int8_t byte2, u_int16_t control,
3995               u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len,
3996               u_int32_t timeout)
3997 {
3998         struct scsi_sanitize *scsi_cmd;
3999
4000         scsi_cmd = (struct scsi_sanitize *)&csio->cdb_io.cdb_bytes;
4001         scsi_cmd->opcode = SANITIZE;
4002         scsi_cmd->byte2 = byte2;
4003         scsi_cmd->control = control;
4004         scsi_ulto2b(dxfer_len, scsi_cmd->length);
4005
4006         cam_fill_csio(csio,
4007                       retries,
4008                       cbfcnp,
4009                       /*flags*/ (dxfer_len > 0) ? CAM_DIR_OUT : CAM_DIR_NONE,
4010                       tag_action,
4011                       data_ptr,
4012                       dxfer_len,
4013                       sense_len,
4014                       sizeof(*scsi_cmd),
4015                       timeout);
4016 }
4017
4018 #endif /* _KERNEL */