sys/cam/scsi/scsi_da.c

   1 /*-
   2  * Implementation of SCSI Direct Access Peripheral driver for CAM.
   3  *
   4  * Copyright (c) 1997 Justin T. Gibbs.
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions, and the following disclaimer,
  12  *    without modification, immediately at the beginning of the file.
  13  * 2. The name of the author may not be used to endorse or promote products
  14  *    derived from this software without specific prior written permission.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  19  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
  20  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  26  * SUCH DAMAGE.
  27  */
  28
  29 #include <sys/cdefs.h>
  30 __FBSDID("$FreeBSD$");
  31
  32 #include <sys/param.h>
  33
  34 #ifdef _KERNEL
  35 #include <sys/systm.h>
  36 #include <sys/kernel.h>
  37 #include <sys/bio.h>
  38 #include <sys/sysctl.h>
  39 #include <sys/taskqueue.h>
  40 #include <sys/lock.h>
  41 #include <sys/mutex.h>
  42 #include <sys/conf.h>
  43 #include <sys/devicestat.h>
  44 #include <sys/eventhandler.h>
  45 #include <sys/malloc.h>
  46 #include <sys/cons.h>
  47 #include <sys/endian.h>
  48 #include <sys/proc.h>
  49 #include <geom/geom.h>
  50 #include <geom/geom_disk.h>
  51 #endif /* _KERNEL */
  52
  53 #ifndef _KERNEL
  54 #include <stdio.h>
  55 #include <string.h>
  56 #endif /* _KERNEL */
  57
  58 #include <cam/cam.h>
  59 #include <cam/cam_ccb.h>
  60 #include <cam/cam_periph.h>
  61 #include <cam/cam_xpt_periph.h>
  62 #include <cam/cam_sim.h>
  63
  64 #include <cam/scsi/scsi_message.h>
  65
  66 #ifndef _KERNEL
  67 #include <cam/scsi/scsi_da.h>
  68 #endif /* !_KERNEL */
  69
  70 #ifdef _KERNEL
  71 typedef enum {
  72         DA_STATE_PROBE_RC,
  73         DA_STATE_PROBE_RC16,
  74         DA_STATE_PROBE_LBP,
  75         DA_STATE_PROBE_BLK_LIMITS,
  76         DA_STATE_PROBE_BDC,
  77         DA_STATE_PROBE_ATA,
  78         DA_STATE_NORMAL
  79 } da_state;
  80
  81 typedef enum {
  82         DA_FLAG_PACK_INVALID    = 0x001,
  83         DA_FLAG_NEW_PACK        = 0x002,
  84         DA_FLAG_PACK_LOCKED     = 0x004,
  85         DA_FLAG_PACK_REMOVABLE  = 0x008,
  86         DA_FLAG_NEED_OTAG       = 0x020,
  87         DA_FLAG_WAS_OTAG        = 0x040,
  88         DA_FLAG_RETRY_UA        = 0x080,
  89         DA_FLAG_OPEN            = 0x100,
  90         DA_FLAG_SCTX_INIT       = 0x200,
  91         DA_FLAG_CAN_RC16        = 0x400,
  92         DA_FLAG_PROBED          = 0x800,
  93         DA_FLAG_DIRTY           = 0x1000,
  94         DA_FLAG_ANNOUNCED       = 0x2000
  95 } da_flags;
  96
  97 typedef enum {
  98         DA_Q_NONE               = 0x00,
  99         DA_Q_NO_SYNC_CACHE      = 0x01,
 100         DA_Q_NO_6_BYTE          = 0x02,
 101         DA_Q_NO_PREVENT         = 0x04,
 102         DA_Q_4K                 = 0x08,
 103         DA_Q_NO_RC16            = 0x10,
 104         DA_Q_NO_UNMAP           = 0x20,
 105         DA_Q_RETRY_BUSY         = 0x40
 106 } da_quirks;
 107
 108 #define DA_Q_BIT_STRING         \
 109         "\020"                  \
 110         "\001NO_SYNC_CACHE"     \
 111         "\002NO_6_BYTE"         \
 112         "\003NO_PREVENT"        \
 113         "\0044K"                \
 114         "\005NO_RC16"           \
 115         "\006NO_UNMAP"          \
 116         "\007RETRY_BUSY"
 117
 118 typedef enum {
 119         DA_CCB_PROBE_RC         = 0x01,
 120         DA_CCB_PROBE_RC16       = 0x02,
 121         DA_CCB_PROBE_LBP        = 0x03,
 122         DA_CCB_PROBE_BLK_LIMITS = 0x04,
 123         DA_CCB_PROBE_BDC        = 0x05,
 124         DA_CCB_PROBE_ATA        = 0x06,
 125         DA_CCB_BUFFER_IO        = 0x07,
 126         DA_CCB_DUMP             = 0x0A,
 127         DA_CCB_DELETE           = 0x0B,
 128         DA_CCB_TUR              = 0x0C,
 129         DA_CCB_TYPE_MASK        = 0x0F,
 130         DA_CCB_RETRY_UA         = 0x10
 131 } da_ccb_state;
 132
 133 /*
 134  * Order here is important for method choice
 135  *
 136  * We prefer ATA_TRIM as tests run against a Sandforce 2281 SSD attached to
 137  * LSI 2008 (mps) controller (FW: v12, Drv: v14) resulted 20% quicker deletes
 138  * using ATA_TRIM than the corresponding UNMAP results for a real world mysql
 139  * import taking 5mins.
 140  *
 141  */
 142 typedef enum {
 143         DA_DELETE_NONE,
 144         DA_DELETE_DISABLE,
 145         DA_DELETE_ATA_TRIM,
 146         DA_DELETE_UNMAP,
 147         DA_DELETE_WS16,
 148         DA_DELETE_WS10,
 149         DA_DELETE_ZERO,
 150         DA_DELETE_MIN = DA_DELETE_ATA_TRIM,
 151         DA_DELETE_MAX = DA_DELETE_ZERO
 152 } da_delete_methods;
 153
 154 typedef void da_delete_func_t (struct cam_periph *periph, union ccb *ccb,
 155                               struct bio *bp);
 156 static da_delete_func_t da_delete_trim;
 157 static da_delete_func_t da_delete_unmap;
 158 static da_delete_func_t da_delete_ws;
 159
 160 static const void * da_delete_functions[] = {
 161         NULL,
 162         NULL,
 163         da_delete_trim,
 164         da_delete_unmap,
 165         da_delete_ws,
 166         da_delete_ws,
 167         da_delete_ws
 168 };
 169
 170 static const char *da_delete_method_names[] =
 171     { "NONE", "DISABLE", "ATA_TRIM", "UNMAP", "WS16", "WS10", "ZERO" };
 172 static const char *da_delete_method_desc[] =
 173     { "NONE", "DISABLED", "ATA TRIM", "UNMAP", "WRITE SAME(16) with UNMAP",
 174       "WRITE SAME(10) with UNMAP", "ZERO" };
 175
 176 /* Offsets into our private area for storing information */
 177 #define ccb_state       ppriv_field0
 178 #define ccb_bp          ppriv_ptr1
 179
 180 struct disk_params {
 181         u_int8_t  heads;
 182         u_int32_t cylinders;
 183         u_int8_t  secs_per_track;
 184         u_int32_t secsize;      /* Number of bytes/sector */
 185         u_int64_t sectors;      /* total number sectors */
 186         u_int     stripesize;
 187         u_int     stripeoffset;
 188 };
 189
 190 #define UNMAP_RANGE_MAX         0xffffffff
 191 #define UNMAP_HEAD_SIZE         8
 192 #define UNMAP_RANGE_SIZE        16
 193 #define UNMAP_MAX_RANGES        2048 /* Protocol Max is 4095 */
 194 #define UNMAP_BUF_SIZE          ((UNMAP_MAX_RANGES * UNMAP_RANGE_SIZE) + \
 195                                 UNMAP_HEAD_SIZE)
 196
 197 #define WS10_MAX_BLKS           0xffff
 198 #define WS16_MAX_BLKS           0xffffffff
 199 #define ATA_TRIM_MAX_RANGES     ((UNMAP_BUF_SIZE / \
 200         (ATA_DSM_RANGE_SIZE * ATA_DSM_BLK_SIZE)) * ATA_DSM_BLK_SIZE)
 201
 202 struct da_softc {
 203         struct   bio_queue_head bio_queue;
 204         struct   bio_queue_head delete_queue;
 205         struct   bio_queue_head delete_run_queue;
 206         LIST_HEAD(, ccb_hdr) pending_ccbs;
 207         int      tur;                   /* TEST UNIT READY should be sent */
 208         int      refcount;              /* Active xpt_action() calls */
 209         da_state state;
 210         da_flags flags;
 211         da_quirks quirks;
 212         int      sort_io_queue;
 213         int      minimum_cmd_size;
 214         int      error_inject;
 215         int      trim_max_ranges;
 216         int      delete_running;
 217         int      delete_available;      /* Delete methods possibly available */
 218         u_int    maxio;
 219         uint32_t                unmap_max_ranges;
 220         uint32_t                unmap_max_lba; /* Max LBAs in UNMAP req */
 221         uint64_t                ws_max_blks;
 222         da_delete_methods       delete_method;
 223         da_delete_func_t        *delete_func;
 224         struct   disk_params params;
 225         struct   disk *disk;
 226         union    ccb saved_ccb;
 227         struct task             sysctl_task;
 228         struct sysctl_ctx_list  sysctl_ctx;
 229         struct sysctl_oid       *sysctl_tree;
 230         struct callout          sendordered_c;
 231         uint64_t wwpn;
 232         uint8_t  unmap_buf[UNMAP_BUF_SIZE];
 233         struct scsi_read_capacity_data_long rcaplong;
 234         struct callout          mediapoll_c;
 235 };
 236
 237 #define dadeleteflag(softc, delete_method, enable)                      \
 238         if (enable) {                                                   \
 239                 softc->delete_available |= (1 << delete_method);        \
 240         } else {                                                        \
 241                 softc->delete_available &= ~(1 << delete_method);       \
 242         }
 243
 244 struct da_quirk_entry {
 245         struct scsi_inquiry_pattern inq_pat;
 246         da_quirks quirks;
 247 };
 248
 249 static const char quantum[] = "QUANTUM";
 250 static const char microp[] = "MICROP";
 251
 252 static struct da_quirk_entry da_quirk_table[] =
 253 {
 254         /* SPI, FC devices */
 255         {
 256                 /*
 257                  * Fujitsu M2513A MO drives.
 258                  * Tested devices: M2513A2 firmware versions 1200 & 1300.
 259                  * (dip switch selects whether T_DIRECT or T_OPTICAL device)
 260                  * Reported by: W.Scholten <whs@xs4all.nl>
 261                  */
 262                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "FUJITSU", "M2513A", "*"},
 263                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 264         },
 265         {
 266                 /* See above. */
 267                 {T_OPTICAL, SIP_MEDIA_REMOVABLE, "FUJITSU", "M2513A", "*"},
 268                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 269         },
 270         {
 271                 /*
 272                  * This particular Fujitsu drive doesn't like the
 273                  * synchronize cache command.
 274                  * Reported by: Tom Jackson <toj@gorilla.net>
 275                  */
 276                 {T_DIRECT, SIP_MEDIA_FIXED, "FUJITSU", "M2954*", "*"},
 277                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 278         },
 279         {
 280                 /*
 281                  * This drive doesn't like the synchronize cache command
 282                  * either.  Reported by: Matthew Jacob <mjacob@feral.com>
 283                  * in NetBSD PR kern/6027, August 24, 1998.
 284                  */
 285                 {T_DIRECT, SIP_MEDIA_FIXED, microp, "2217*", "*"},
 286                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 287         },
 288         {
 289                 /*
 290                  * This drive doesn't like the synchronize cache command
 291                  * either.  Reported by: Hellmuth Michaelis (hm@kts.org)
 292                  * (PR 8882).
 293                  */
 294                 {T_DIRECT, SIP_MEDIA_FIXED, microp, "2112*", "*"},
 295                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 296         },
 297         {
 298                 /*
 299                  * Doesn't like the synchronize cache command.
 300                  * Reported by: Blaz Zupan <blaz@gold.amis.net>
 301                  */
 302                 {T_DIRECT, SIP_MEDIA_FIXED, "NEC", "D3847*", "*"},
 303                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 304         },
 305         {
 306                 /*
 307                  * Doesn't like the synchronize cache command.
 308                  * Reported by: Blaz Zupan <blaz@gold.amis.net>
 309                  */
 310                 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "MAVERICK 540S", "*"},
 311                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 312         },
 313         {
 314                 /*
 315                  * Doesn't like the synchronize cache command.
 316                  */
 317                 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "LPS525S", "*"},
 318                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 319         },
 320         {
 321                 /*
 322                  * Doesn't like the synchronize cache command.
 323                  * Reported by: walter@pelissero.de
 324                  */
 325                 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "LPS540S", "*"},
 326                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 327         },
 328         {
 329                 /*
 330                  * Doesn't work correctly with 6 byte reads/writes.
 331                  * Returns illegal request, and points to byte 9 of the
 332                  * 6-byte CDB.
 333                  * Reported by:  Adam McDougall <bsdx@spawnet.com>
 334                  */
 335                 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "VIKING 4*", "*"},
 336                 /*quirks*/ DA_Q_NO_6_BYTE
 337         },
 338         {
 339                 /* See above. */
 340                 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "VIKING 2*", "*"},
 341                 /*quirks*/ DA_Q_NO_6_BYTE
 342         },
 343         {
 344                 /*
 345                  * Doesn't like the synchronize cache command.
 346                  * Reported by: walter@pelissero.de
 347                  */
 348                 {T_DIRECT, SIP_MEDIA_FIXED, "CONNER", "CP3500*", "*"},
 349                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 350         },
 351         {
 352                 /*
 353                  * The CISS RAID controllers do not support SYNC_CACHE
 354                  */
 355                 {T_DIRECT, SIP_MEDIA_FIXED, "COMPAQ", "RAID*", "*"},
 356                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 357         },
 358         {
 359                 /*
 360                  * The STEC SSDs sometimes hang on UNMAP.
 361                  */
 362                 {T_DIRECT, SIP_MEDIA_FIXED, "STEC", "*", "*"},
 363                 /*quirks*/ DA_Q_NO_UNMAP
 364         },
 365         {
 366                 /*
 367                  * VMware returns BUSY status when storage has transient
 368                  * connectivity problems, so better wait.
 369                  */
 370                 {T_DIRECT, SIP_MEDIA_FIXED, "VMware", "Virtual disk", "*"},
 371                 /*quirks*/ DA_Q_RETRY_BUSY
 372         },
 373         /* USB mass storage devices supported by umass(4) */
 374         {
 375                 /*
 376                  * EXATELECOM (Sigmatel) i-Bead 100/105 USB Flash MP3 Player
 377                  * PR: kern/51675
 378                  */
 379                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "EXATEL", "i-BEAD10*", "*"},
 380                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 381         },
 382         {
 383                 /*
 384                  * Power Quotient Int. (PQI) USB flash key
 385                  * PR: kern/53067
 386                  */
 387                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "USB Flash Disk*",
 388                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 389         },
 390         {
 391                 /*
 392                  * Creative Nomad MUVO mp3 player (USB)
 393                  * PR: kern/53094
 394                  */
 395                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "CREATIVE", "NOMAD_MUVO", "*"},
 396                 /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT
 397         },
 398         {
 399                 /*
 400                  * Jungsoft NEXDISK USB flash key
 401                  * PR: kern/54737
 402                  */
 403                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "JUNGSOFT", "NEXDISK*", "*"},
 404                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 405         },
 406         {
 407                 /*
 408                  * FreeDik USB Mini Data Drive
 409                  * PR: kern/54786
 410                  */
 411                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "FreeDik*", "Mini Data Drive",
 412                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 413         },
 414         {
 415                 /*
 416                  * Sigmatel USB Flash MP3 Player
 417                  * PR: kern/57046
 418                  */
 419                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "SigmaTel", "MSCN", "*"},
 420                 /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT
 421         },
 422         {
 423                 /*
 424                  * Neuros USB Digital Audio Computer
 425                  * PR: kern/63645
 426                  */
 427                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "NEUROS", "dig. audio comp.",
 428                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 429         },
 430         {
 431                 /*
 432                  * SEAGRAND NP-900 MP3 Player
 433                  * PR: kern/64563
 434                  */
 435                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "SEAGRAND", "NP-900*", "*"},
 436                 /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT
 437         },
 438         {
 439                 /*
 440                  * iRiver iFP MP3 player (with UMS Firmware)
 441                  * PR: kern/54881, i386/63941, kern/66124
 442                  */
 443                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "iRiver", "iFP*", "*"},
 444                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 445         },
 446         {
 447                 /*
 448                  * Frontier Labs NEX IA+ Digital Audio Player, rev 1.10/0.01
 449                  * PR: kern/70158
 450                  */
 451                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "FL" , "Nex*", "*"},
 452                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 453         },
 454         {
 455                 /*
 456                  * ZICPlay USB MP3 Player with FM
 457                  * PR: kern/75057
 458                  */
 459                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "ACTIONS*" , "USB DISK*", "*"},
 460                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 461         },
 462         {
 463                 /*
 464                  * TEAC USB floppy mechanisms
 465                  */
 466                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "TEAC" , "FD-05*", "*"},
 467                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 468         },
 469         {
 470                 /*
 471                  * Kingston DataTraveler II+ USB Pen-Drive.
 472                  * Reported by: Pawel Jakub Dawidek <pjd@FreeBSD.org>
 473                  */
 474                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Kingston" , "DataTraveler II+",
 475                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 476         },
 477         {
 478                 /*
 479                  * USB DISK Pro PMAP
 480                  * Reported by: jhs
 481                  * PR: usb/96381
 482                  */
 483                 {T_DIRECT, SIP_MEDIA_REMOVABLE, " ", "USB DISK Pro", "PMAP"},
 484                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 485         },
 486         {
 487                 /*
 488                  * Motorola E398 Mobile Phone (TransFlash memory card).
 489                  * Reported by: Wojciech A. Koszek <dunstan@FreeBSD.czest.pl>
 490                  * PR: usb/89889
 491                  */
 492                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Motorola" , "Motorola Phone",
 493                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 494         },
 495         {
 496                 /*
 497                  * Qware BeatZkey! Pro
 498                  * PR: usb/79164
 499                  */
 500                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "GENERIC", "USB DISK DEVICE",
 501                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 502         },
 503         {
 504                 /*
 505                  * Time DPA20B 1GB MP3 Player
 506                  * PR: usb/81846
 507                  */
 508                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "USB2.0*", "(FS) FLASH DISK*",
 509                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 510         },
 511         {
 512                 /*
 513                  * Samsung USB key 128Mb
 514                  * PR: usb/90081
 515                  */
 516                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "USB-DISK", "FreeDik-FlashUsb",
 517                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 518         },
 519         {
 520                 /*
 521                  * Kingston DataTraveler 2.0 USB Flash memory.
 522                  * PR: usb/89196
 523                  */
 524                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Kingston", "DataTraveler 2.0",
 525                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 526         },
 527         {
 528                 /*
 529                  * Creative MUVO Slim mp3 player (USB)
 530                  * PR: usb/86131
 531                  */
 532                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "CREATIVE", "MuVo Slim",
 533                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT
 534                 },
 535         {
 536                 /*
 537                  * United MP5512 Portable MP3 Player (2-in-1 USB DISK/MP3)
 538                  * PR: usb/80487
 539                  */
 540                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "MUSIC DISK",
 541                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 542         },
 543         {
 544                 /*
 545                  * SanDisk Micro Cruzer 128MB
 546                  * PR: usb/75970
 547                  */
 548                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "SanDisk" , "Micro Cruzer",
 549                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 550         },
 551         {
 552                 /*
 553                  * TOSHIBA TransMemory USB sticks
 554                  * PR: kern/94660
 555                  */
 556                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "TOSHIBA", "TransMemory",
 557                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 558         },
 559         {
 560                 /*
 561                  * PNY USB 3.0 Flash Drives
 562                 */
 563                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "PNY", "USB 3.0 FD*",
 564                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE | DA_Q_NO_RC16
 565         },
 566         {
 567                 /*
 568                  * PNY USB Flash keys
 569                  * PR: usb/75578, usb/72344, usb/65436
 570                  */
 571                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "*" , "USB DISK*",
 572                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 573         },
 574         {
 575                 /*
 576                  * Genesys 6-in-1 Card Reader
 577                  * PR: usb/94647
 578                  */
 579                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "STORAGE DEVICE*",
 580                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 581         },
 582         {
 583                 /*
 584                  * Rekam Digital CAMERA
 585                  * PR: usb/98713
 586                  */
 587                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "CAMERA*", "4MP-9J6*",
 588                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 589         },
 590         {
 591                 /*
 592                  * iRiver H10 MP3 player
 593                  * PR: usb/102547
 594                  */
 595                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "iriver", "H10*",
 596                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 597         },
 598         {
 599                 /*
 600                  * iRiver U10 MP3 player
 601                  * PR: usb/92306
 602                  */
 603                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "iriver", "U10*",
 604                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 605         },
 606         {
 607                 /*
 608                  * X-Micro Flash Disk
 609                  * PR: usb/96901
 610                  */
 611                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "X-Micro", "Flash Disk",
 612                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 613         },
 614         {
 615                 /*
 616                  * EasyMP3 EM732X USB 2.0 Flash MP3 Player
 617                  * PR: usb/96546
 618                  */
 619                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "EM732X", "MP3 Player*",
 620                 "1.00"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 621         },
 622         {
 623                 /*
 624                  * Denver MP3 player
 625                  * PR: usb/107101
 626                  */
 627                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "DENVER", "MP3 PLAYER",
 628                  "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 629         },
 630         {
 631                 /*
 632                  * Philips USB Key Audio KEY013
 633                  * PR: usb/68412
 634                  */
 635                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "PHILIPS", "Key*", "*"},
 636                 /*quirks*/ DA_Q_NO_SYNC_CACHE | DA_Q_NO_PREVENT
 637         },
 638         {
 639                 /*
 640                  * JNC MP3 Player
 641                  * PR: usb/94439
 642                  */
 643                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "JNC*" , "MP3 Player*",
 644                  "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 645         },
 646         {
 647                 /*
 648                  * SAMSUNG MP0402H
 649                  * PR: usb/108427
 650                  */
 651                 {T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "MP0402H", "*"},
 652                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 653         },
 654         {
 655                 /*
 656                  * I/O Magic USB flash - Giga Bank
 657                  * PR: usb/108810
 658                  */
 659                 {T_DIRECT, SIP_MEDIA_FIXED, "GS-Magic", "stor*", "*"},
 660                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 661         },
 662         {
 663                 /*
 664                  * JoyFly 128mb USB Flash Drive
 665                  * PR: 96133
 666                  */
 667                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "USB 2.0", "Flash Disk*",
 668                  "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 669         },
 670         {
 671                 /*
 672                  * ChipsBnk usb stick
 673                  * PR: 103702
 674                  */
 675                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "ChipsBnk", "USB*",
 676                  "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 677         },
 678         {
 679                 /*
 680                  * Storcase (Kingston) InfoStation IFS FC2/SATA-R 201A
 681                  * PR: 129858
 682                  */
 683                 {T_DIRECT, SIP_MEDIA_FIXED, "IFS", "FC2/SATA-R*",
 684                  "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 685         },
 686         {
 687                 /*
 688                  * Samsung YP-U3 mp3-player
 689                  * PR: 125398
 690                  */
 691                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Samsung", "YP-U3",
 692                  "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 693         },
 694         {
 695                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Netac", "OnlyDisk*",
 696                  "2000"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 697         },
 698         {
 699                 /*
 700                  * Sony Cyber-Shot DSC cameras
 701                  * PR: usb/137035
 702                  */
 703                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Sony", "Sony DSC", "*"},
 704                 /*quirks*/ DA_Q_NO_SYNC_CACHE | DA_Q_NO_PREVENT
 705         },
 706         {
 707                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Kingston", "DataTraveler G3",
 708                  "1.00"}, /*quirks*/ DA_Q_NO_PREVENT
 709         },
 710         {
 711                 /* At least several Transcent USB sticks lie on RC16. */
 712                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "JetFlash", "Transcend*",
 713                  "*"}, /*quirks*/ DA_Q_NO_RC16
 714         },
 715         /* ATA/SATA devices over SAS/USB/... */
 716         {
 717                 /* Hitachi Advanced Format (4k) drives */
 718                 { T_DIRECT, SIP_MEDIA_FIXED, "Hitachi", "H??????????E3*", "*" },
 719                 /*quirks*/DA_Q_4K
 720         },
 721         {
 722                 /* Samsung Advanced Format (4k) drives */
 723                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SAMSUNG HD155UI*", "*" },
 724                 /*quirks*/DA_Q_4K
 725         },
 726         {
 727                 /* Samsung Advanced Format (4k) drives */
 728                 { T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "HD155UI*", "*" },
 729                 /*quirks*/DA_Q_4K
 730         },
 731         {
 732                 /* Samsung Advanced Format (4k) drives */
 733                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SAMSUNG HD204UI*", "*" },
 734                 /*quirks*/DA_Q_4K
 735         },
 736         {
 737                 /* Samsung Advanced Format (4k) drives */
 738                 { T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "HD204UI*", "*" },
 739                 /*quirks*/DA_Q_4K
 740         },
 741         {
 742                 /* Seagate Barracuda Green Advanced Format (4k) drives */
 743                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST????DL*", "*" },
 744                 /*quirks*/DA_Q_4K
 745         },
 746         {
 747                 /* Seagate Barracuda Green Advanced Format (4k) drives */
 748                 { T_DIRECT, SIP_MEDIA_FIXED, "ST????DL", "*", "*" },
 749                 /*quirks*/DA_Q_4K
 750         },
 751         {
 752                 /* Seagate Barracuda Green Advanced Format (4k) drives */
 753                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST???DM*", "*" },
 754                 /*quirks*/DA_Q_4K
 755         },
 756         {
 757                 /* Seagate Barracuda Green Advanced Format (4k) drives */
 758                 { T_DIRECT, SIP_MEDIA_FIXED, "ST???DM*", "*", "*" },
 759                 /*quirks*/DA_Q_4K
 760         },
 761         {
 762                 /* Seagate Barracuda Green Advanced Format (4k) drives */
 763                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST????DM*", "*" },
 764                 /*quirks*/DA_Q_4K
 765         },
 766         {
 767                 /* Seagate Barracuda Green Advanced Format (4k) drives */
 768                 { T_DIRECT, SIP_MEDIA_FIXED, "ST????DM", "*", "*" },
 769                 /*quirks*/DA_Q_4K
 770         },
 771         {
 772                 /* Seagate Momentus Advanced Format (4k) drives */
 773                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9500423AS*", "*" },
 774                 /*quirks*/DA_Q_4K
 775         },
 776         {
 777                 /* Seagate Momentus Advanced Format (4k) drives */
 778                 { T_DIRECT, SIP_MEDIA_FIXED, "ST950042", "3AS*", "*" },
 779                 /*quirks*/DA_Q_4K
 780         },
 781         {
 782                 /* Seagate Momentus Advanced Format (4k) drives */
 783                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9500424AS*", "*" },
 784                 /*quirks*/DA_Q_4K
 785         },
 786         {
 787                 /* Seagate Momentus Advanced Format (4k) drives */
 788                 { T_DIRECT, SIP_MEDIA_FIXED, "ST950042", "4AS*", "*" },
 789                 /*quirks*/DA_Q_4K
 790         },
 791         {
 792                 /* Seagate Momentus Advanced Format (4k) drives */
 793                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9640423AS*", "*" },
 794                 /*quirks*/DA_Q_4K
 795         },
 796         {
 797                 /* Seagate Momentus Advanced Format (4k) drives */
 798                 { T_DIRECT, SIP_MEDIA_FIXED, "ST964042", "3AS*", "*" },
 799                 /*quirks*/DA_Q_4K
 800         },
 801         {
 802                 /* Seagate Momentus Advanced Format (4k) drives */
 803                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9640424AS*", "*" },
 804                 /*quirks*/DA_Q_4K
 805         },
 806         {
 807                 /* Seagate Momentus Advanced Format (4k) drives */
 808                 { T_DIRECT, SIP_MEDIA_FIXED, "ST964042", "4AS*", "*" },
 809                 /*quirks*/DA_Q_4K
 810         },
 811         {
 812                 /* Seagate Momentus Advanced Format (4k) drives */
 813                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9750420AS*", "*" },
 814                 /*quirks*/DA_Q_4K
 815         },
 816         {
 817                 /* Seagate Momentus Advanced Format (4k) drives */
 818                 { T_DIRECT, SIP_MEDIA_FIXED, "ST975042", "0AS*", "*" },
 819                 /*quirks*/DA_Q_4K
 820         },
 821         {
 822                 /* Seagate Momentus Advanced Format (4k) drives */
 823                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9750422AS*", "*" },
 824                 /*quirks*/DA_Q_4K
 825         },
 826         {
 827                 /* Seagate Momentus Advanced Format (4k) drives */
 828                 { T_DIRECT, SIP_MEDIA_FIXED, "ST975042", "2AS*", "*" },
 829                 /*quirks*/DA_Q_4K
 830         },
 831         {
 832                 /* Seagate Momentus Advanced Format (4k) drives */
 833                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9750423AS*", "*" },
 834                 /*quirks*/DA_Q_4K
 835         },
 836         {
 837                 /* Seagate Momentus Advanced Format (4k) drives */
 838                 { T_DIRECT, SIP_MEDIA_FIXED, "ST975042", "3AS*", "*" },
 839                 /*quirks*/DA_Q_4K
 840         },
 841         {
 842                 /* Seagate Momentus Thin Advanced Format (4k) drives */
 843                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST???LT*", "*" },
 844                 /*quirks*/DA_Q_4K
 845         },
 846         {
 847                 /* Seagate Momentus Thin Advanced Format (4k) drives */
 848                 { T_DIRECT, SIP_MEDIA_FIXED, "ST???LT*", "*", "*" },
 849                 /*quirks*/DA_Q_4K
 850         },
 851         {
 852                 /* WDC Caviar Green Advanced Format (4k) drives */
 853                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD????RS*", "*" },
 854                 /*quirks*/DA_Q_4K
 855         },
 856         {
 857                 /* WDC Caviar Green Advanced Format (4k) drives */
 858                 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "??RS*", "*" },
 859                 /*quirks*/DA_Q_4K
 860         },
 861         {
 862                 /* WDC Caviar Green Advanced Format (4k) drives */
 863                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD????RX*", "*" },
 864                 /*quirks*/DA_Q_4K
 865         },
 866         {
 867                 /* WDC Caviar Green Advanced Format (4k) drives */
 868                 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "??RX*", "*" },
 869                 /*quirks*/DA_Q_4K
 870         },
 871         {
 872                 /* WDC Caviar Green Advanced Format (4k) drives */
 873                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD??????RS*", "*" },
 874                 /*quirks*/DA_Q_4K
 875         },
 876         {
 877                 /* WDC Caviar Green Advanced Format (4k) drives */
 878                 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "????RS*", "*" },
 879                 /*quirks*/DA_Q_4K
 880         },
 881         {
 882                 /* WDC Caviar Green Advanced Format (4k) drives */
 883                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD??????RX*", "*" },
 884                 /*quirks*/DA_Q_4K
 885         },
 886         {
 887                 /* WDC Caviar Green Advanced Format (4k) drives */
 888                 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "????RX*", "*" },
 889                 /*quirks*/DA_Q_4K
 890         },
 891         {
 892                 /* WDC Scorpio Black Advanced Format (4k) drives */
 893                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD???PKT*", "*" },
 894                 /*quirks*/DA_Q_4K
 895         },
 896         {
 897                 /* WDC Scorpio Black Advanced Format (4k) drives */
 898                 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "?PKT*", "*" },
 899                 /*quirks*/DA_Q_4K
 900         },
 901         {
 902                 /* WDC Scorpio Black Advanced Format (4k) drives */
 903                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD?????PKT*", "*" },
 904                 /*quirks*/DA_Q_4K
 905         },
 906         {
 907                 /* WDC Scorpio Black Advanced Format (4k) drives */
 908                 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "???PKT*", "*" },
 909                 /*quirks*/DA_Q_4K
 910         },
 911         {
 912                 /* WDC Scorpio Blue Advanced Format (4k) drives */
 913                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD???PVT*", "*" },
 914                 /*quirks*/DA_Q_4K
 915         },
 916         {
 917                 /* WDC Scorpio Blue Advanced Format (4k) drives */
 918                 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "?PVT*", "*" },
 919                 /*quirks*/DA_Q_4K
 920         },
 921         {
 922                 /* WDC Scorpio Blue Advanced Format (4k) drives */
 923                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD?????PVT*", "*" },
 924                 /*quirks*/DA_Q_4K
 925         },
 926         {
 927                 /* WDC Scorpio Blue Advanced Format (4k) drives */
 928                 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "???PVT*", "*" },
 929                 /*quirks*/DA_Q_4K
 930         },
 931         {
 932                 /*
 933                  * Olympus FE-210 camera
 934                  */
 935                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "OLYMPUS", "FE210*",
 936                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 937         },
 938         {
 939                 /*
 940                  * LG UP3S MP3 player
 941                  */
 942                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "LG", "UP3S",
 943                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 944         },
 945         {
 946                 /*
 947                  * Laser MP3-2GA13 MP3 player
 948                  */
 949                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "USB 2.0", "(HS) Flash Disk",
 950                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 951         },
 952         {
 953                 /*
 954                  * LaCie external 250GB Hard drive des by Porsche
 955                  * Submitted by: Ben Stuyts <ben@altesco.nl>
 956                  * PR: 121474
 957                  */
 958                 {T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "HM250JI", "*"},
 959                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 960         },
 961         /* SATA SSDs */
 962         {
 963                 /*
 964                  * Corsair Force 2 SSDs
 965                  * 4k optimised & trim only works in 4k requests + 4k aligned
 966                  */
 967                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Corsair CSSD-F*", "*" },
 968                 /*quirks*/DA_Q_4K
 969         },
 970         {
 971                 /*
 972                  * Corsair Force 3 SSDs
 973                  * 4k optimised & trim only works in 4k requests + 4k aligned
 974                  */
 975                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Corsair Force 3*", "*" },
 976                 /*quirks*/DA_Q_4K
 977         },
 978         {
 979                 /*
 980                  * Corsair Neutron GTX SSDs
 981                  * 4k optimised & trim only works in 4k requests + 4k aligned
 982                  */
 983                 { T_DIRECT, SIP_MEDIA_FIXED, "*", "Corsair Neutron GTX*", "*" },
 984                 /*quirks*/DA_Q_4K
 985         },
 986         {
 987                 /*
 988                  * Corsair Force GT & GS SSDs
 989                  * 4k optimised & trim only works in 4k requests + 4k aligned
 990                  */
 991                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Corsair Force G*", "*" },
 992                 /*quirks*/DA_Q_4K
 993         },
 994         {
 995                 /*
 996                  * Crucial M4 SSDs
 997                  * 4k optimised & trim only works in 4k requests + 4k aligned
 998                  */
 999                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "M4-CT???M4SSD2*", "*" },
1000                 /*quirks*/DA_Q_4K
1001         },
1002         {
1003                 /*
1004                  * Crucial RealSSD C300 SSDs
1005                  * 4k optimised
1006                  */
1007                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "C300-CTFDDAC???MAG*",
1008                 "*" }, /*quirks*/DA_Q_4K
1009         },
1010         {
1011                 /*
1012                  * Intel 320 Series SSDs
1013                  * 4k optimised & trim only works in 4k requests + 4k aligned
1014                  */
1015                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSA2CW*", "*" },
1016                 /*quirks*/DA_Q_4K
1017         },
1018         {
1019                 /*
1020                  * Intel 330 Series SSDs
1021                  * 4k optimised & trim only works in 4k requests + 4k aligned
1022                  */
1023                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSC2CT*", "*" },
1024                 /*quirks*/DA_Q_4K
1025         },
1026         {
1027                 /*
1028                  * Intel 510 Series SSDs
1029                  * 4k optimised & trim only works in 4k requests + 4k aligned
1030                  */
1031                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSC2MH*", "*" },
1032                 /*quirks*/DA_Q_4K
1033         },
1034         {
1035                 /*
1036                  * Intel 520 Series SSDs
1037                  * 4k optimised & trim only works in 4k requests + 4k aligned
1038                  */
1039                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSC2BW*", "*" },
1040                 /*quirks*/DA_Q_4K
1041         },
1042         {
1043                 /*
1044                  * Intel X25-M Series SSDs
1045                  * 4k optimised & trim only works in 4k requests + 4k aligned
1046                  */
1047                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSA2M*", "*" },
1048                 /*quirks*/DA_Q_4K
1049         },
1050         {
1051                 /*
1052                  * Kingston E100 Series SSDs
1053                  * 4k optimised & trim only works in 4k requests + 4k aligned
1054                  */
1055                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "KINGSTON SE100S3*", "*" },
1056                 /*quirks*/DA_Q_4K
1057         },
1058         {
1059                 /*
1060                  * Kingston HyperX 3k SSDs
1061                  * 4k optimised & trim only works in 4k requests + 4k aligned
1062                  */
1063                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "KINGSTON SH103S3*", "*" },
1064                 /*quirks*/DA_Q_4K
1065         },
1066         {
1067                 /*
1068                  * Marvell SSDs (entry taken from OpenSolaris)
1069                  * 4k optimised & trim only works in 4k requests + 4k aligned
1070                  */
1071                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "MARVELL SD88SA02*", "*" },
1072                 /*quirks*/DA_Q_4K
1073         },
1074         {
1075                 /*
1076                  * OCZ Agility 2 SSDs
1077                  * 4k optimised & trim only works in 4k requests + 4k aligned
1078                  */
1079                 { T_DIRECT, SIP_MEDIA_FIXED, "*", "OCZ-AGILITY2*", "*" },
1080                 /*quirks*/DA_Q_4K
1081         },
1082         {
1083                 /*
1084                  * OCZ Agility 3 SSDs
1085                  * 4k optimised & trim only works in 4k requests + 4k aligned
1086                  */
1087                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "OCZ-AGILITY3*", "*" },
1088                 /*quirks*/DA_Q_4K
1089         },
1090         {
1091                 /*
1092                  * OCZ Deneva R Series SSDs
1093                  * 4k optimised & trim only works in 4k requests + 4k aligned
1094                  */
1095                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "DENRSTE251M45*", "*" },
1096                 /*quirks*/DA_Q_4K
1097         },
1098         {
1099                 /*
1100                  * OCZ Vertex 2 SSDs (inc pro series)
1101                  * 4k optimised & trim only works in 4k requests + 4k aligned
1102                  */
1103                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "OCZ?VERTEX2*", "*" },
1104                 /*quirks*/DA_Q_4K
1105         },
1106         {
1107                 /*
1108                  * OCZ Vertex 3 SSDs
1109                  * 4k optimised & trim only works in 4k requests + 4k aligned
1110                  */
1111                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "OCZ-VERTEX3*", "*" },
1112                 /*quirks*/DA_Q_4K
1113         },
1114         {
1115                 /*
1116                  * OCZ Vertex 4 SSDs
1117                  * 4k optimised & trim only works in 4k requests + 4k aligned
1118                  */
1119                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "OCZ-VERTEX4*", "*" },
1120                 /*quirks*/DA_Q_4K
1121         },
1122         {
1123                 /*
1124                  * Samsung 830 Series SSDs
1125                  * 4k optimised & trim only works in 4k requests + 4k aligned
1126                  */
1127                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SAMSUNG SSD 830 Series*", "*" },
1128                 /*quirks*/DA_Q_4K
1129         },
1130         {
1131                 /*
1132                  * Samsung 840 SSDs
1133                  * 4k optimised & trim only works in 4k requests + 4k aligned
1134                  */
1135                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Samsung SSD 840*", "*" },
1136                 /*quirks*/DA_Q_4K
1137         },
1138         {
1139                 /*
1140                  * Samsung 843T Series SSDs
1141                  * 4k optimised
1142                  */
1143                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SAMSUNG MZ7WD*", "*" },
1144                 /*quirks*/DA_Q_4K
1145         },
1146         {
1147                 /*
1148                  * Samsung 850 SSDs
1149                  * 4k optimised & trim only works in 4k requests + 4k aligned
1150                  */
1151                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Samsung SSD 850*", "*" },
1152                 /*quirks*/DA_Q_4K
1153         },
1154         {
1155                 /*
1156                  * Samsung PM853T Series SSDs
1157                  * 4k optimised
1158                  */
1159                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SAMSUNG MZ7GE*", "*" },
1160                 /*quirks*/DA_Q_4K
1161         },
1162         {
1163                 /*
1164                  * SuperTalent TeraDrive CT SSDs
1165                  * 4k optimised & trim only works in 4k requests + 4k aligned
1166                  */
1167                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "FTM??CT25H*", "*" },
1168                 /*quirks*/DA_Q_4K
1169         },
1170         {
1171                 /*
1172                  * XceedIOPS SATA SSDs
1173                  * 4k optimised
1174                  */
1175                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SG9XCS2D*", "*" },
1176                 /*quirks*/DA_Q_4K
1177         },
1178 };
1179
1180 static  disk_strategy_t dastrategy;
1181 static  dumper_t        dadump;
1182 static  periph_init_t   dainit;
1183 static  void            daasync(void *callback_arg, u_int32_t code,
1184                                 struct cam_path *path, void *arg);
1185 static  void            dasysctlinit(void *context, int pending);
1186 static  int             dacmdsizesysctl(SYSCTL_HANDLER_ARGS);
1187 static  int             dadeletemethodsysctl(SYSCTL_HANDLER_ARGS);
1188 static  int             dadeletemaxsysctl(SYSCTL_HANDLER_ARGS);
1189 static  void            dadeletemethodset(struct da_softc *softc,
1190                                           da_delete_methods delete_method);
1191 static  off_t           dadeletemaxsize(struct da_softc *softc,
1192                                         da_delete_methods delete_method);
1193 static  void            dadeletemethodchoose(struct da_softc *softc,
1194                                              da_delete_methods default_method);
1195 static  void            daprobedone(struct cam_periph *periph, union ccb *ccb);
1196
1197 static  periph_ctor_t   daregister;
1198 static  periph_dtor_t   dacleanup;
1199 static  periph_start_t  dastart;
1200 static  periph_oninv_t  daoninvalidate;
1201 static  void            dadone(struct cam_periph *periph,
1202                                union ccb *done_ccb);
1203 static  int             daerror(union ccb *ccb, u_int32_t cam_flags,
1204                                 u_int32_t sense_flags);
1205 static void             daprevent(struct cam_periph *periph, int action);
1206 static void             dareprobe(struct cam_periph *periph);
1207 static void             dasetgeom(struct cam_periph *periph, uint32_t block_len,
1208                                   uint64_t maxsector,
1209                                   struct scsi_read_capacity_data_long *rcaplong,
1210                                   size_t rcap_size);
1211 static timeout_t        dasendorderedtag;
1212 static void             dashutdown(void *arg, int howto);
1213 static timeout_t        damediapoll;
1214
1215 #ifndef DA_DEFAULT_POLL_PERIOD
1216 #define DA_DEFAULT_POLL_PERIOD  3
1217 #endif
1218
1219 #ifndef DA_DEFAULT_TIMEOUT
1220 #define DA_DEFAULT_TIMEOUT 60   /* Timeout in seconds */
1221 #endif
1222
1223 #ifndef DA_DEFAULT_RETRY
1224 #define DA_DEFAULT_RETRY        4
1225 #endif
1226
1227 #ifndef DA_DEFAULT_SEND_ORDERED
1228 #define DA_DEFAULT_SEND_ORDERED 1
1229 #endif
1230
1231 #define DA_SIO (softc->sort_io_queue >= 0 ? \
1232     softc->sort_io_queue : cam_sort_io_queues)
1233
1234 static int da_poll_period = DA_DEFAULT_POLL_PERIOD;
1235 static int da_retry_count = DA_DEFAULT_RETRY;
1236 static int da_default_timeout = DA_DEFAULT_TIMEOUT;
1237 static int da_send_ordered = DA_DEFAULT_SEND_ORDERED;
1238
1239 static SYSCTL_NODE(_kern_cam, OID_AUTO, da, CTLFLAG_RD, 0,
1240             "CAM Direct Access Disk driver");
1241 SYSCTL_INT(_kern_cam_da, OID_AUTO, poll_period, CTLFLAG_RWTUN,
1242            &da_poll_period, 0, "Media polling period in seconds");
1243 SYSCTL_INT(_kern_cam_da, OID_AUTO, retry_count, CTLFLAG_RWTUN,
1244            &da_retry_count, 0, "Normal I/O retry count");
1245 SYSCTL_INT(_kern_cam_da, OID_AUTO, default_timeout, CTLFLAG_RWTUN,
1246            &da_default_timeout, 0, "Normal I/O timeout (in seconds)");
1247 SYSCTL_INT(_kern_cam_da, OID_AUTO, send_ordered, CTLFLAG_RWTUN,
1248            &da_send_ordered, 0, "Send Ordered Tags");
1249
1250 /*
1251  * DA_ORDEREDTAG_INTERVAL determines how often, relative
1252  * to the default timeout, we check to see whether an ordered
1253  * tagged transaction is appropriate to prevent simple tag
1254  * starvation.  Since we'd like to ensure that there is at least
1255  * 1/2 of the timeout length left for a starved transaction to
1256  * complete after we've sent an ordered tag, we must poll at least
1257  * four times in every timeout period.  This takes care of the worst
1258  * case where a starved transaction starts during an interval that
1259  * meets the requirement "don't send an ordered tag" test so it takes
1260  * us two intervals to determine that a tag must be sent.
1261  */
1262 #ifndef DA_ORDEREDTAG_INTERVAL
1263 #define DA_ORDEREDTAG_INTERVAL 4
1264 #endif
1265
1266 static struct periph_driver dadriver =
1267 {
1268         dainit, "da",
1269         TAILQ_HEAD_INITIALIZER(dadriver.units), /* generation */ 0
1270 };
1271
1272 PERIPHDRIVER_DECLARE(da, dadriver);
1273
1274 static MALLOC_DEFINE(M_SCSIDA, "scsi_da", "scsi_da buffers");
1275
1276 static int
1277 daopen(struct disk *dp)
1278 {
1279         struct cam_periph *periph;
1280         struct da_softc *softc;
1281         int error;
1282
1283         periph = (struct cam_periph *)dp->d_drv1;
1284         if (cam_periph_acquire(periph) != CAM_REQ_CMP) {
1285                 return (ENXIO);
1286         }
1287
1288         cam_periph_lock(periph);
1289         if ((error = cam_periph_hold(periph, PRIBIO|PCATCH)) != 0) {
1290                 cam_periph_unlock(periph);
1291                 cam_periph_release(periph);
1292                 return (error);
1293         }
1294
1295         CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH,
1296             ("daopen\n"));
1297
1298         softc = (struct da_softc *)periph->softc;
1299         dareprobe(periph);
1300
1301         /* Wait for the disk size update.  */
1302         error = cam_periph_sleep(periph, &softc->disk->d_mediasize, PRIBIO,
1303             "dareprobe", 0);
1304         if (error != 0)
1305                 xpt_print(periph->path, "unable to retrieve capacity data\n");
1306
1307         if (periph->flags & CAM_PERIPH_INVALID)
1308                 error = ENXIO;
1309
1310         if (error == 0 && (softc->flags & DA_FLAG_PACK_REMOVABLE) != 0 &&
1311             (softc->quirks & DA_Q_NO_PREVENT) == 0)
1312                 daprevent(periph, PR_PREVENT);
1313
1314         if (error == 0) {
1315                 softc->flags &= ~DA_FLAG_PACK_INVALID;
1316                 softc->flags |= DA_FLAG_OPEN;
1317         }
1318
1319         cam_periph_unhold(periph);
1320         cam_periph_unlock(periph);
1321
1322         if (error != 0)
1323                 cam_periph_release(periph);
1324
1325         return (error);
1326 }
1327
1328 static int
1329 daclose(struct disk *dp)
1330 {
1331         struct  cam_periph *periph;
1332         struct  da_softc *softc;
1333         union   ccb *ccb;
1334         int error;
1335
1336         periph = (struct cam_periph *)dp->d_drv1;
1337         softc = (struct da_softc *)periph->softc;
1338         cam_periph_lock(periph);
1339         CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH,
1340             ("daclose\n"));
1341
1342         if (cam_periph_hold(periph, PRIBIO) == 0) {
1343
1344                 /* Flush disk cache. */
1345                 if ((softc->flags & DA_FLAG_DIRTY) != 0 &&
1346                     (softc->quirks & DA_Q_NO_SYNC_CACHE) == 0 &&
1347                     (softc->flags & DA_FLAG_PACK_INVALID) == 0) {
1348                         ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
1349                         scsi_synchronize_cache(&ccb->csio, /*retries*/1,
1350                             /*cbfcnp*/dadone, MSG_SIMPLE_Q_TAG,
1351                             /*begin_lba*/0, /*lb_count*/0, SSD_FULL_SIZE,
1352                             5 * 60 * 1000);
1353                         error = cam_periph_runccb(ccb, daerror, /*cam_flags*/0,
1354                             /*sense_flags*/SF_RETRY_UA | SF_QUIET_IR,
1355                             softc->disk->d_devstat);
1356                         if (error == 0)
1357                                 softc->flags &= ~DA_FLAG_DIRTY;
1358                         xpt_release_ccb(ccb);
1359                 }
1360
1361                 /* Allow medium removal. */
1362                 if ((softc->flags & DA_FLAG_PACK_REMOVABLE) != 0 &&
1363                     (softc->quirks & DA_Q_NO_PREVENT) == 0)
1364                         daprevent(periph, PR_ALLOW);
1365
1366                 cam_periph_unhold(periph);
1367         }
1368
1369         /*
1370          * If we've got removeable media, mark the blocksize as
1371          * unavailable, since it could change when new media is
1372          * inserted.
1373          */
1374         if ((softc->flags & DA_FLAG_PACK_REMOVABLE) != 0)
1375                 softc->disk->d_devstat->flags |= DEVSTAT_BS_UNAVAILABLE;
1376
1377         softc->flags &= ~DA_FLAG_OPEN;
1378         while (softc->refcount != 0)
1379                 cam_periph_sleep(periph, &softc->refcount, PRIBIO, "daclose", 1);
1380         cam_periph_unlock(periph);
1381         cam_periph_release(periph);
1382         return (0);
1383 }
1384
1385 static void
1386 daschedule(struct cam_periph *periph)
1387 {
1388         struct da_softc *softc = (struct da_softc *)periph->softc;
1389
1390         if (softc->state != DA_STATE_NORMAL)
1391                 return;
1392
1393         /* Check if we have more work to do. */
1394         if (bioq_first(&softc->bio_queue) ||
1395             (!softc->delete_running && bioq_first(&softc->delete_queue)) ||
1396             softc->tur) {
1397                 xpt_schedule(periph, CAM_PRIORITY_NORMAL);
1398         }
1399 }
1400
1401 /*
1402  * Actually translate the requested transfer into one the physical driver
1403  * can understand.  The transfer is described by a buf and will include
1404  * only one physical transfer.
1405  */
1406 static void
1407 dastrategy(struct bio *bp)
1408 {
1409         struct cam_periph *periph;
1410         struct da_softc *softc;
1411
1412         periph = (struct cam_periph *)bp->bio_disk->d_drv1;
1413         softc = (struct da_softc *)periph->softc;
1414
1415         cam_periph_lock(periph);
1416
1417         /*
1418          * If the device has been made invalid, error out
1419          */
1420         if ((softc->flags & DA_FLAG_PACK_INVALID)) {
1421                 cam_periph_unlock(periph);
1422                 biofinish(bp, NULL, ENXIO);
1423                 return;
1424         }
1425
1426         CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dastrategy(%p)\n", bp));
1427
1428         /*
1429          * Place it in the queue of disk activities for this disk
1430          */
1431         if (bp->bio_cmd == BIO_DELETE) {
1432                 bioq_disksort(&softc->delete_queue, bp);
1433         } else if (DA_SIO) {
1434                 bioq_disksort(&softc->bio_queue, bp);
1435         } else {
1436                 bioq_insert_tail(&softc->bio_queue, bp);
1437         }
1438
1439         /*
1440          * Schedule ourselves for performing the work.
1441          */
1442         daschedule(periph);
1443         cam_periph_unlock(periph);
1444
1445         return;
1446 }
1447
1448 static int
1449 dadump(void *arg, void *virtual, vm_offset_t physical, off_t offset, size_t length)
1450 {
1451         struct      cam_periph *periph;
1452         struct      da_softc *softc;
1453         u_int       secsize;
1454         struct      ccb_scsiio csio;
1455         struct      disk *dp;
1456         int         error = 0;
1457
1458         dp = arg;
1459         periph = dp->d_drv1;
1460         softc = (struct da_softc *)periph->softc;
1461         cam_periph_lock(periph);
1462         secsize = softc->params.secsize;
1463
1464         if ((softc->flags & DA_FLAG_PACK_INVALID) != 0) {
1465                 cam_periph_unlock(periph);
1466                 return (ENXIO);
1467         }
1468
1469         if (length > 0) {
1470                 xpt_setup_ccb(&csio.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
1471                 csio.ccb_h.ccb_state = DA_CCB_DUMP;
1472                 scsi_read_write(&csio,
1473                                 /*retries*/0,
1474                                 dadone,
1475                                 MSG_ORDERED_Q_TAG,
1476                                 /*read*/SCSI_RW_WRITE,
1477                                 /*byte2*/0,
1478                                 /*minimum_cmd_size*/ softc->minimum_cmd_size,
1479                                 offset / secsize,
1480                                 length / secsize,
1481                                 /*data_ptr*/(u_int8_t *) virtual,
1482                                 /*dxfer_len*/length,
1483                                 /*sense_len*/SSD_FULL_SIZE,
1484                                 da_default_timeout * 1000);
1485                 xpt_polled_action((union ccb *)&csio);
1486
1487                 error = cam_periph_error((union ccb *)&csio,
1488                     0, SF_NO_RECOVERY | SF_NO_RETRY, NULL);
1489                 if ((csio.ccb_h.status & CAM_DEV_QFRZN) != 0)
1490                         cam_release_devq(csio.ccb_h.path, /*relsim_flags*/0,
1491                             /*reduction*/0, /*timeout*/0, /*getcount_only*/0);
1492                 if (error != 0)
1493                         printf("Aborting dump due to I/O error.\n");
1494                 cam_periph_unlock(periph);
1495                 return (error);
1496         }
1497
1498         /*
1499          * Sync the disk cache contents to the physical media.
1500          */
1501         if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) {
1502
1503                 xpt_setup_ccb(&csio.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
1504                 csio.ccb_h.ccb_state = DA_CCB_DUMP;
1505                 scsi_synchronize_cache(&csio,
1506                                        /*retries*/0,
1507                                        /*cbfcnp*/dadone,
1508                                        MSG_SIMPLE_Q_TAG,
1509                                        /*begin_lba*/0,/* Cover the whole disk */
1510                                        /*lb_count*/0,
1511                                        SSD_FULL_SIZE,
1512                                        5 * 60 * 1000);
1513                 xpt_polled_action((union ccb *)&csio);
1514
1515                 error = cam_periph_error((union ccb *)&csio,
1516                     0, SF_NO_RECOVERY | SF_NO_RETRY | SF_QUIET_IR, NULL);
1517                 if ((csio.ccb_h.status & CAM_DEV_QFRZN) != 0)
1518                         cam_release_devq(csio.ccb_h.path, /*relsim_flags*/0,
1519                             /*reduction*/0, /*timeout*/0, /*getcount_only*/0);
1520                 if (error != 0)
1521                         xpt_print(periph->path, "Synchronize cache failed\n");
1522         }
1523         cam_periph_unlock(periph);
1524         return (error);
1525 }
1526
1527 static int
1528 dagetattr(struct bio *bp)
1529 {
1530         int ret;
1531         struct cam_periph *periph;
1532
1533         periph = (struct cam_periph *)bp->bio_disk->d_drv1;
1534         cam_periph_lock(periph);
1535         ret = xpt_getattr(bp->bio_data, bp->bio_length, bp->bio_attribute,
1536             periph->path);
1537         cam_periph_unlock(periph);
1538         if (ret == 0)
1539                 bp->bio_completed = bp->bio_length;
1540         return ret;
1541 }
1542
1543 static void
1544 dainit(void)
1545 {
1546         cam_status status;
1547
1548         /*
1549          * Install a global async callback.  This callback will
1550          * receive async callbacks like "new device found".
1551          */
1552         status = xpt_register_async(AC_FOUND_DEVICE, daasync, NULL, NULL);
1553
1554         if (status != CAM_REQ_CMP) {
1555                 printf("da: Failed to attach master async callback "
1556                        "due to status 0x%x!\n", status);
1557         } else if (da_send_ordered) {
1558
1559                 /* Register our shutdown event handler */
1560                 if ((EVENTHANDLER_REGISTER(shutdown_post_sync, dashutdown,
1561                                            NULL, SHUTDOWN_PRI_DEFAULT)) == NULL)
1562                     printf("dainit: shutdown event registration failed!\n");
1563         }
1564 }
1565
1566 /*
1567  * Callback from GEOM, called when it has finished cleaning up its
1568  * resources.
1569  */
1570 static void
1571 dadiskgonecb(struct disk *dp)
1572 {
1573         struct cam_periph *periph;
1574
1575         periph = (struct cam_periph *)dp->d_drv1;
1576         cam_periph_release(periph);
1577 }
1578
1579 static void
1580 daoninvalidate(struct cam_periph *periph)
1581 {
1582         struct da_softc *softc;
1583
1584         softc = (struct da_softc *)periph->softc;
1585
1586         /*
1587          * De-register any async callbacks.
1588          */
1589         xpt_register_async(0, daasync, periph, periph->path);
1590
1591         softc->flags |= DA_FLAG_PACK_INVALID;
1592
1593         /*
1594          * Return all queued I/O with ENXIO.
1595          * XXX Handle any transactions queued to the card
1596          *     with XPT_ABORT_CCB.
1597          */
1598         bioq_flush(&softc->bio_queue, NULL, ENXIO);
1599         bioq_flush(&softc->delete_queue, NULL, ENXIO);
1600
1601         /*
1602          * Tell GEOM that we've gone away, we'll get a callback when it is
1603          * done cleaning up its resources.
1604          */
1605         disk_gone(softc->disk);
1606 }
1607
1608 static void
1609 dacleanup(struct cam_periph *periph)
1610 {
1611         struct da_softc *softc;
1612
1613         softc = (struct da_softc *)periph->softc;
1614
1615         cam_periph_unlock(periph);
1616
1617         /*
1618          * If we can't free the sysctl tree, oh well...
1619          */
1620         if ((softc->flags & DA_FLAG_SCTX_INIT) != 0
1621             && sysctl_ctx_free(&softc->sysctl_ctx) != 0) {
1622                 xpt_print(periph->path, "can't remove sysctl context\n");
1623         }
1624
1625         callout_drain(&softc->mediapoll_c);
1626         disk_destroy(softc->disk);
1627         callout_drain(&softc->sendordered_c);
1628         free(softc, M_DEVBUF);
1629         cam_periph_lock(periph);
1630 }
1631
1632 static void
1633 daasync(void *callback_arg, u_int32_t code,
1634         struct cam_path *path, void *arg)
1635 {
1636         struct cam_periph *periph;
1637         struct da_softc *softc;
1638
1639         periph = (struct cam_periph *)callback_arg;
1640         switch (code) {
1641         case AC_FOUND_DEVICE:
1642         {
1643                 struct ccb_getdev *cgd;
1644                 cam_status status;
1645
1646                 cgd = (struct ccb_getdev *)arg;
1647                 if (cgd == NULL)
1648                         break;
1649
1650                 if (cgd->protocol != PROTO_SCSI)
1651                         break;
1652
1653                 if (SID_TYPE(&cgd->inq_data) != T_DIRECT
1654                     && SID_TYPE(&cgd->inq_data) != T_RBC
1655                     && SID_TYPE(&cgd->inq_data) != T_OPTICAL)
1656                         break;
1657
1658                 /*
1659                  * Allocate a peripheral instance for
1660                  * this device and start the probe
1661                  * process.
1662                  */
1663                 status = cam_periph_alloc(daregister, daoninvalidate,
1664                                           dacleanup, dastart,
1665                                           "da", CAM_PERIPH_BIO,
1666                                           path, daasync,
1667                                           AC_FOUND_DEVICE, cgd);
1668
1669                 if (status != CAM_REQ_CMP
1670                  && status != CAM_REQ_INPROG)
1671                         printf("daasync: Unable to attach to new device "
1672                                 "due to status 0x%x\n", status);
1673                 return;
1674         }
1675         case AC_ADVINFO_CHANGED:
1676         {
1677                 uintptr_t buftype;
1678
1679                 buftype = (uintptr_t)arg;
1680                 if (buftype == CDAI_TYPE_PHYS_PATH) {
1681                         struct da_softc *softc;
1682
1683                         softc = periph->softc;
1684                         disk_attr_changed(softc->disk, "GEOM::physpath",
1685                                           M_NOWAIT);
1686                 }
1687                 break;
1688         }
1689         case AC_UNIT_ATTENTION:
1690         {
1691                 union ccb *ccb;
1692                 int error_code, sense_key, asc, ascq;
1693
1694                 softc = (struct da_softc *)periph->softc;
1695                 ccb = (union ccb *)arg;
1696
1697                 /*
1698                  * Handle all UNIT ATTENTIONs except our own,
1699                  * as they will be handled by daerror().
1700                  */
1701                 if (xpt_path_periph(ccb->ccb_h.path) != periph &&
1702                     scsi_extract_sense_ccb(ccb,
1703                      &error_code, &sense_key, &asc, &ascq)) {
1704                         if (asc == 0x2A && ascq == 0x09) {
1705                                 xpt_print(ccb->ccb_h.path,
1706                                     "Capacity data has changed\n");
1707                                 softc->flags &= ~DA_FLAG_PROBED;
1708                                 dareprobe(periph);
1709                         } else if (asc == 0x28 && ascq == 0x00) {
1710                                 softc->flags &= ~DA_FLAG_PROBED;
1711                                 disk_media_changed(softc->disk, M_NOWAIT);
1712                         } else if (asc == 0x3F && ascq == 0x03) {
1713                                 xpt_print(ccb->ccb_h.path,
1714                                     "INQUIRY data has changed\n");
1715                                 softc->flags &= ~DA_FLAG_PROBED;
1716                                 dareprobe(periph);
1717                         }
1718                 }
1719                 cam_periph_async(periph, code, path, arg);
1720                 break;
1721         }
1722         case AC_SCSI_AEN:
1723                 softc = (struct da_softc *)periph->softc;
1724                 if (!softc->tur) {
1725                         if (cam_periph_acquire(periph) == CAM_REQ_CMP) {
1726                                 softc->tur = 1;
1727                                 daschedule(periph);
1728                         }
1729                 }
1730                 /* FALLTHROUGH */
1731         case AC_SENT_BDR:
1732         case AC_BUS_RESET:
1733         {
1734                 struct ccb_hdr *ccbh;
1735
1736                 softc = (struct da_softc *)periph->softc;
1737                 /*
1738                  * Don't fail on the expected unit attention
1739                  * that will occur.
1740                  */
1741                 softc->flags |= DA_FLAG_RETRY_UA;
1742                 LIST_FOREACH(ccbh, &softc->pending_ccbs, periph_links.le)
1743                         ccbh->ccb_state |= DA_CCB_RETRY_UA;
1744                 break;
1745         }
1746         default:
1747                 break;
1748         }
1749         cam_periph_async(periph, code, path, arg);
1750 }
1751
1752 static void
1753 dasysctlinit(void *context, int pending)
1754 {
1755         struct cam_periph *periph;
1756         struct da_softc *softc;
1757         char tmpstr[80], tmpstr2[80];
1758         struct ccb_trans_settings cts;
1759
1760         periph = (struct cam_periph *)context;
1761         /*
1762          * periph was held for us when this task was enqueued
1763          */
1764         if (periph->flags & CAM_PERIPH_INVALID) {
1765                 cam_periph_release(periph);
1766                 return;
1767         }
1768
1769         softc = (struct da_softc *)periph->softc;
1770         snprintf(tmpstr, sizeof(tmpstr), "CAM DA unit %d", periph->unit_number);
1771         snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number);
1772
1773         sysctl_ctx_init(&softc->sysctl_ctx);
1774         softc->flags |= DA_FLAG_SCTX_INIT;
1775         softc->sysctl_tree = SYSCTL_ADD_NODE(&softc->sysctl_ctx,
1776                 SYSCTL_STATIC_CHILDREN(_kern_cam_da), OID_AUTO, tmpstr2,
1777                 CTLFLAG_RD, 0, tmpstr);
1778         if (softc->sysctl_tree == NULL) {
1779                 printf("dasysctlinit: unable to allocate sysctl tree\n");
1780                 cam_periph_release(periph);
1781                 return;
1782         }
1783
1784         /*
1785          * Now register the sysctl handler, so the user can change the value on
1786          * the fly.
1787          */
1788         SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1789                 OID_AUTO, "delete_method", CTLTYPE_STRING | CTLFLAG_RW,
1790                 softc, 0, dadeletemethodsysctl, "A",
1791                 "BIO_DELETE execution method");
1792         SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1793                 OID_AUTO, "delete_max", CTLTYPE_U64 | CTLFLAG_RW,
1794                 softc, 0, dadeletemaxsysctl, "Q",
1795                 "Maximum BIO_DELETE size");
1796         SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1797                 OID_AUTO, "minimum_cmd_size", CTLTYPE_INT | CTLFLAG_RW,
1798                 &softc->minimum_cmd_size, 0, dacmdsizesysctl, "I",
1799                 "Minimum CDB size");
1800         SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1801                 OID_AUTO, "sort_io_queue", CTLFLAG_RW, &softc->sort_io_queue, 0,
1802                 "Sort IO queue to try and optimise disk access patterns");
1803
1804         SYSCTL_ADD_INT(&softc->sysctl_ctx,
1805                        SYSCTL_CHILDREN(softc->sysctl_tree),
1806                        OID_AUTO,
1807                        "error_inject",
1808                        CTLFLAG_RW,
1809                        &softc->error_inject,
1810                        0,
1811                        "error_inject leaf");
1812
1813
1814         /*
1815          * Add some addressing info.
1816          */
1817         memset(&cts, 0, sizeof (cts));
1818         xpt_setup_ccb(&cts.ccb_h, periph->path, CAM_PRIORITY_NONE);
1819         cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS;
1820         cts.type = CTS_TYPE_CURRENT_SETTINGS;
1821         cam_periph_lock(periph);
1822         xpt_action((union ccb *)&cts);
1823         cam_periph_unlock(periph);
1824         if (cts.ccb_h.status != CAM_REQ_CMP) {
1825                 cam_periph_release(periph);
1826                 return;
1827         }
1828         if (cts.protocol == PROTO_SCSI && cts.transport == XPORT_FC) {
1829                 struct ccb_trans_settings_fc *fc = &cts.xport_specific.fc;
1830                 if (fc->valid & CTS_FC_VALID_WWPN) {
1831                         softc->wwpn = fc->wwpn;
1832                         SYSCTL_ADD_UQUAD(&softc->sysctl_ctx,
1833                             SYSCTL_CHILDREN(softc->sysctl_tree),
1834                             OID_AUTO, "wwpn", CTLFLAG_RD,
1835                             &softc->wwpn, "World Wide Port Name");
1836                 }
1837         }
1838         cam_periph_release(periph);
1839 }
1840
1841 static int
1842 dadeletemaxsysctl(SYSCTL_HANDLER_ARGS)
1843 {
1844         int error;
1845         uint64_t value;
1846         struct da_softc *softc;
1847
1848         softc = (struct da_softc *)arg1;
1849
1850         value = softc->disk->d_delmaxsize;
1851         error = sysctl_handle_64(oidp, &value, 0, req);
1852         if ((error != 0) || (req->newptr == NULL))
1853                 return (error);
1854
1855         /* only accept values smaller than the calculated value */
1856         if (value > dadeletemaxsize(softc, softc->delete_method)) {
1857                 return (EINVAL);
1858         }
1859         softc->disk->d_delmaxsize = value;
1860
1861         return (0);
1862 }
1863
1864 static int
1865 dacmdsizesysctl(SYSCTL_HANDLER_ARGS)
1866 {
1867         int error, value;
1868
1869         value = *(int *)arg1;
1870
1871         error = sysctl_handle_int(oidp, &value, 0, req);
1872
1873         if ((error != 0)
1874          || (req->newptr == NULL))
1875                 return (error);
1876
1877         /*
1878          * Acceptable values here are 6, 10, 12 or 16.
1879          */
1880         if (value < 6)
1881                 value = 6;
1882         else if ((value > 6)
1883               && (value <= 10))
1884                 value = 10;
1885         else if ((value > 10)
1886               && (value <= 12))
1887                 value = 12;
1888         else if (value > 12)
1889                 value = 16;
1890
1891         *(int *)arg1 = value;
1892
1893         return (0);
1894 }
1895
1896 static void
1897 dadeletemethodset(struct da_softc *softc, da_delete_methods delete_method)
1898 {
1899
1900
1901         softc->delete_method = delete_method;
1902         softc->disk->d_delmaxsize = dadeletemaxsize(softc, delete_method);
1903         softc->delete_func = da_delete_functions[delete_method];
1904
1905         if (softc->delete_method > DA_DELETE_DISABLE)
1906                 softc->disk->d_flags |= DISKFLAG_CANDELETE;
1907         else
1908                 softc->disk->d_flags &= ~DISKFLAG_CANDELETE;
1909 }
1910
1911 static off_t
1912 dadeletemaxsize(struct da_softc *softc, da_delete_methods delete_method)
1913 {
1914         off_t sectors;
1915
1916         switch(delete_method) {
1917         case DA_DELETE_UNMAP:
1918                 sectors = (off_t)softc->unmap_max_lba;
1919                 break;
1920         case DA_DELETE_ATA_TRIM:
1921                 sectors = (off_t)ATA_DSM_RANGE_MAX * softc->trim_max_ranges;
1922                 break;
1923         case DA_DELETE_WS16:
1924                 sectors = omin(softc->ws_max_blks, WS16_MAX_BLKS);
1925                 break;
1926         case DA_DELETE_ZERO:
1927         case DA_DELETE_WS10:
1928                 sectors = omin(softc->ws_max_blks, WS10_MAX_BLKS);
1929                 break;
1930         default:
1931                 return 0;
1932         }
1933
1934         return (off_t)softc->params.secsize *
1935             omin(sectors, softc->params.sectors);
1936 }
1937
1938 static void
1939 daprobedone(struct cam_periph *periph, union ccb *ccb)
1940 {
1941         struct da_softc *softc;
1942
1943         softc = (struct da_softc *)periph->softc;
1944
1945         dadeletemethodchoose(softc, DA_DELETE_NONE);
1946
1947         if (bootverbose && (softc->flags & DA_FLAG_ANNOUNCED) == 0) {
1948                 char buf[80];
1949                 int i, sep;
1950
1951                 snprintf(buf, sizeof(buf), "Delete methods: <");
1952                 sep = 0;
1953                 for (i = DA_DELETE_MIN; i <= DA_DELETE_MAX; i++) {
1954                         if (softc->delete_available & (1 << i)) {
1955                                 if (sep) {
1956                                         strlcat(buf, ",", sizeof(buf));
1957                                 } else {
1958                                     sep = 1;
1959                                 }
1960                                 strlcat(buf, da_delete_method_names[i],
1961                                     sizeof(buf));
1962                                 if (i == softc->delete_method) {
1963                                         strlcat(buf, "(*)", sizeof(buf));
1964                                 }
1965                         }
1966                 }
1967                 if (sep == 0) {
1968                         if (softc->delete_method == DA_DELETE_NONE)
1969                                 strlcat(buf, "NONE(*)", sizeof(buf));
1970                         else
1971                                 strlcat(buf, "DISABLED(*)", sizeof(buf));
1972                 }
1973                 strlcat(buf, ">", sizeof(buf));
1974                 printf("%s%d: %s\n", periph->periph_name,
1975                     periph->unit_number, buf);
1976         }
1977
1978         /*
1979          * Since our peripheral may be invalidated by an error
1980          * above or an external event, we must release our CCB
1981          * before releasing the probe lock on the peripheral.
1982          * The peripheral will only go away once the last lock
1983          * is removed, and we need it around for the CCB release
1984          * operation.
1985          */
1986         xpt_release_ccb(ccb);
1987         softc->state = DA_STATE_NORMAL;
1988         softc->flags |= DA_FLAG_PROBED;
1989         daschedule(periph);
1990         wakeup(&softc->disk->d_mediasize);
1991         if ((softc->flags & DA_FLAG_ANNOUNCED) == 0) {
1992                 softc->flags |= DA_FLAG_ANNOUNCED;
1993                 cam_periph_unhold(periph);
1994         } else
1995                 cam_periph_release_locked(periph);
1996 }
1997
1998 static void
1999 dadeletemethodchoose(struct da_softc *softc, da_delete_methods default_method)
2000 {
2001         int i, delete_method;
2002
2003         delete_method = default_method;
2004
2005         /*
2006          * Use the pre-defined order to choose the best
2007          * performing delete.
2008          */
2009         for (i = DA_DELETE_MIN; i <= DA_DELETE_MAX; i++) {
2010                 if (softc->delete_available & (1 << i)) {
2011                         dadeletemethodset(softc, i);
2012                         return;
2013                 }
2014         }
2015         dadeletemethodset(softc, delete_method);
2016 }
2017
2018 static int
2019 dadeletemethodsysctl(SYSCTL_HANDLER_ARGS)
2020 {
2021         char buf[16];
2022         const char *p;
2023         struct da_softc *softc;
2024         int i, error, methods, value;
2025
2026         softc = (struct da_softc *)arg1;
2027
2028         value = softc->delete_method;
2029         if (value < 0 || value > DA_DELETE_MAX)
2030                 p = "UNKNOWN";
2031         else
2032                 p = da_delete_method_names[value];
2033         strncpy(buf, p, sizeof(buf));
2034         error = sysctl_handle_string(oidp, buf, sizeof(buf), req);
2035         if (error != 0 || req->newptr == NULL)
2036                 return (error);
2037         methods = softc->delete_available | (1 << DA_DELETE_DISABLE);
2038         for (i = 0; i <= DA_DELETE_MAX; i++) {
2039                 if (!(methods & (1 << i)) ||
2040                     strcmp(buf, da_delete_method_names[i]) != 0)
2041                         continue;
2042                 dadeletemethodset(softc, i);
2043                 return (0);
2044         }
2045         return (EINVAL);
2046 }
2047
2048 static cam_status
2049 daregister(struct cam_periph *periph, void *arg)
2050 {
2051         struct da_softc *softc;
2052         struct ccb_pathinq cpi;
2053         struct ccb_getdev *cgd;
2054         char tmpstr[80];
2055         caddr_t match;
2056
2057         cgd = (struct ccb_getdev *)arg;
2058         if (cgd == NULL) {
2059                 printf("daregister: no getdev CCB, can't register device\n");
2060                 return(CAM_REQ_CMP_ERR);
2061         }
2062
2063         softc = (struct da_softc *)malloc(sizeof(*softc), M_DEVBUF,
2064             M_NOWAIT|M_ZERO);
2065
2066         if (softc == NULL) {
2067                 printf("daregister: Unable to probe new device. "
2068                        "Unable to allocate softc\n");
2069                 return(CAM_REQ_CMP_ERR);
2070         }
2071
2072         LIST_INIT(&softc->pending_ccbs);
2073         softc->state = DA_STATE_PROBE_RC;
2074         bioq_init(&softc->bio_queue);
2075         bioq_init(&softc->delete_queue);
2076         bioq_init(&softc->delete_run_queue);
2077         if (SID_IS_REMOVABLE(&cgd->inq_data))
2078                 softc->flags |= DA_FLAG_PACK_REMOVABLE;
2079         softc->unmap_max_ranges = UNMAP_MAX_RANGES;
2080         softc->unmap_max_lba = UNMAP_RANGE_MAX;
2081         softc->ws_max_blks = WS16_MAX_BLKS;
2082         softc->trim_max_ranges = ATA_TRIM_MAX_RANGES;
2083         softc->sort_io_queue = -1;
2084
2085         periph->softc = softc;
2086
2087         /*
2088          * See if this device has any quirks.
2089          */
2090         match = cam_quirkmatch((caddr_t)&cgd->inq_data,
2091                                (caddr_t)da_quirk_table,
2092                                sizeof(da_quirk_table)/sizeof(*da_quirk_table),
2093                                sizeof(*da_quirk_table), scsi_inquiry_match);
2094
2095         if (match != NULL)
2096                 softc->quirks = ((struct da_quirk_entry *)match)->quirks;
2097         else
2098                 softc->quirks = DA_Q_NONE;
2099
2100         /* Check if the SIM does not want 6 byte commands */
2101         bzero(&cpi, sizeof(cpi));
2102         xpt_setup_ccb(&cpi.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
2103         cpi.ccb_h.func_code = XPT_PATH_INQ;
2104         xpt_action((union ccb *)&cpi);
2105         if (cpi.ccb_h.status == CAM_REQ_CMP && (cpi.hba_misc & PIM_NO_6_BYTE))
2106                 softc->quirks |= DA_Q_NO_6_BYTE;
2107
2108         TASK_INIT(&softc->sysctl_task, 0, dasysctlinit, periph);
2109
2110         /*
2111          * Take an exclusive refcount on the periph while dastart is called
2112          * to finish the probe.  The reference will be dropped in dadone at
2113          * the end of probe.
2114          */
2115         (void)cam_periph_hold(periph, PRIBIO);
2116
2117         /*
2118          * Schedule a periodic event to occasionally send an
2119          * ordered tag to a device.
2120          */
2121         callout_init_mtx(&softc->sendordered_c, cam_periph_mtx(periph), 0);
2122         callout_reset(&softc->sendordered_c,
2123             (da_default_timeout * hz) / DA_ORDEREDTAG_INTERVAL,
2124             dasendorderedtag, softc);
2125
2126         cam_periph_unlock(periph);
2127         /*
2128          * RBC devices don't have to support READ(6), only READ(10).
2129          */
2130         if (softc->quirks & DA_Q_NO_6_BYTE || SID_TYPE(&cgd->inq_data) == T_RBC)
2131                 softc->minimum_cmd_size = 10;
2132         else
2133                 softc->minimum_cmd_size = 6;
2134
2135         /*
2136          * Load the user's default, if any.
2137          */
2138         snprintf(tmpstr, sizeof(tmpstr), "kern.cam.da.%d.minimum_cmd_size",
2139                  periph->unit_number);
2140         TUNABLE_INT_FETCH(tmpstr, &softc->minimum_cmd_size);
2141
2142         /*
2143          * 6, 10, 12 and 16 are the currently permissible values.
2144          */
2145         if (softc->minimum_cmd_size < 6)
2146                 softc->minimum_cmd_size = 6;
2147         else if ((softc->minimum_cmd_size > 6)
2148               && (softc->minimum_cmd_size <= 10))
2149                 softc->minimum_cmd_size = 10;
2150         else if ((softc->minimum_cmd_size > 10)
2151               && (softc->minimum_cmd_size <= 12))
2152                 softc->minimum_cmd_size = 12;
2153         else if (softc->minimum_cmd_size > 12)
2154                 softc->minimum_cmd_size = 16;
2155
2156         /* Predict whether device may support READ CAPACITY(16). */
2157         if (SID_ANSI_REV(&cgd->inq_data) >= SCSI_REV_SPC3 &&
2158             (softc->quirks & DA_Q_NO_RC16) == 0) {
2159                 softc->flags |= DA_FLAG_CAN_RC16;
2160                 softc->state = DA_STATE_PROBE_RC16;
2161         }
2162
2163         /*
2164          * Register this media as a disk.
2165          */
2166         softc->disk = disk_alloc();
2167         softc->disk->d_devstat = devstat_new_entry(periph->periph_name,
2168                           periph->unit_number, 0,
2169                           DEVSTAT_BS_UNAVAILABLE,
2170                           SID_TYPE(&cgd->inq_data) |
2171                           XPORT_DEVSTAT_TYPE(cpi.transport),
2172                           DEVSTAT_PRIORITY_DISK);
2173         softc->disk->d_open = daopen;
2174         softc->disk->d_close = daclose;
2175         softc->disk->d_strategy = dastrategy;
2176         softc->disk->d_dump = dadump;
2177         softc->disk->d_getattr = dagetattr;
2178         softc->disk->d_gone = dadiskgonecb;
2179         softc->disk->d_name = "da";
2180         softc->disk->d_drv1 = periph;
2181         if (cpi.maxio == 0)
2182                 softc->maxio = DFLTPHYS;        /* traditional default */
2183         else if (cpi.maxio > MAXPHYS)
2184                 softc->maxio = MAXPHYS;         /* for safety */
2185         else
2186                 softc->maxio = cpi.maxio;
2187         softc->disk->d_maxsize = softc->maxio;
2188         softc->disk->d_unit = periph->unit_number;
2189         softc->disk->d_flags = DISKFLAG_DIRECT_COMPLETION;
2190         if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0)
2191                 softc->disk->d_flags |= DISKFLAG_CANFLUSHCACHE;
2192         if ((cpi.hba_misc & PIM_UNMAPPED) != 0)
2193                 softc->disk->d_flags |= DISKFLAG_UNMAPPED_BIO;
2194         cam_strvis(softc->disk->d_descr, cgd->inq_data.vendor,
2195             sizeof(cgd->inq_data.vendor), sizeof(softc->disk->d_descr));
2196         strlcat(softc->disk->d_descr, " ", sizeof(softc->disk->d_descr));
2197         cam_strvis(&softc->disk->d_descr[strlen(softc->disk->d_descr)],
2198             cgd->inq_data.product, sizeof(cgd->inq_data.product),
2199             sizeof(softc->disk->d_descr) - strlen(softc->disk->d_descr));
2200         softc->disk->d_hba_vendor = cpi.hba_vendor;
2201         softc->disk->d_hba_device = cpi.hba_device;
2202         softc->disk->d_hba_subvendor = cpi.hba_subvendor;
2203         softc->disk->d_hba_subdevice = cpi.hba_subdevice;
2204
2205         /*
2206          * Acquire a reference to the periph before we register with GEOM.
2207          * We'll release this reference once GEOM calls us back (via
2208          * dadiskgonecb()) telling us that our provider has been freed.
2209          */
2210         if (cam_periph_acquire(periph) != CAM_REQ_CMP) {
2211                 xpt_print(periph->path, "%s: lost periph during "
2212                           "registration!\n", __func__);
2213                 cam_periph_lock(periph);
2214                 return (CAM_REQ_CMP_ERR);
2215         }
2216
2217         disk_create(softc->disk, DISK_VERSION);
2218         cam_periph_lock(periph);
2219
2220         /*
2221          * Add async callbacks for events of interest.
2222          * I don't bother checking if this fails as,
2223          * in most cases, the system will function just
2224          * fine without them and the only alternative
2225          * would be to not attach the device on failure.
2226          */
2227         xpt_register_async(AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE |
2228             AC_ADVINFO_CHANGED | AC_SCSI_AEN | AC_UNIT_ATTENTION,
2229             daasync, periph, periph->path);
2230
2231         /*
2232          * Emit an attribute changed notification just in case
2233          * physical path information arrived before our async
2234          * event handler was registered, but after anyone attaching
2235          * to our disk device polled it.
2236          */
2237         disk_attr_changed(softc->disk, "GEOM::physpath", M_NOWAIT);
2238
2239         /*
2240          * Schedule a periodic media polling events.
2241          */
2242         callout_init_mtx(&softc->mediapoll_c, cam_periph_mtx(periph), 0);
2243         if ((softc->flags & DA_FLAG_PACK_REMOVABLE) &&
2244             (cgd->inq_flags & SID_AEN) == 0 &&
2245             da_poll_period != 0)
2246                 callout_reset(&softc->mediapoll_c, da_poll_period * hz,
2247                     damediapoll, periph);
2248
2249         xpt_schedule(periph, CAM_PRIORITY_DEV);
2250
2251         return(CAM_REQ_CMP);
2252 }
2253
2254 static void
2255 dastart(struct cam_periph *periph, union ccb *start_ccb)
2256 {
2257         struct da_softc *softc;
2258
2259         softc = (struct da_softc *)periph->softc;
2260
2261         CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dastart\n"));
2262
2263 skipstate:
2264         switch (softc->state) {
2265         case DA_STATE_NORMAL:
2266         {
2267                 struct bio *bp;
2268                 uint8_t tag_code;
2269
2270                 /* Run BIO_DELETE if not running yet. */
2271                 if (!softc->delete_running &&
2272                     (bp = bioq_first(&softc->delete_queue)) != NULL) {
2273                         if (softc->delete_func != NULL) {
2274                                 softc->delete_func(periph, start_ccb, bp);
2275                                 goto out;
2276                         } else {
2277                                 bioq_flush(&softc->delete_queue, NULL, 0);
2278                                 /* FALLTHROUGH */
2279                         }
2280                 }
2281
2282                 /* Run regular command. */
2283                 bp = bioq_takefirst(&softc->bio_queue);
2284                 if (bp == NULL) {
2285                         if (softc->tur) {
2286                                 softc->tur = 0;
2287                                 scsi_test_unit_ready(&start_ccb->csio,
2288                                      /*retries*/ da_retry_count,
2289                                      dadone,
2290                                      MSG_SIMPLE_Q_TAG,
2291                                      SSD_FULL_SIZE,
2292                                      da_default_timeout * 1000);
2293                                 start_ccb->ccb_h.ccb_bp = NULL;
2294                                 start_ccb->ccb_h.ccb_state = DA_CCB_TUR;
2295                                 xpt_action(start_ccb);
2296                         } else
2297                                 xpt_release_ccb(start_ccb);
2298                         break;
2299                 }
2300                 if (softc->tur) {
2301                         softc->tur = 0;
2302                         cam_periph_release_locked(periph);
2303                 }
2304
2305                 if ((bp->bio_flags & BIO_ORDERED) != 0 ||
2306                     (softc->flags & DA_FLAG_NEED_OTAG) != 0) {
2307                         softc->flags &= ~DA_FLAG_NEED_OTAG;
2308                         softc->flags |= DA_FLAG_WAS_OTAG;
2309                         tag_code = MSG_ORDERED_Q_TAG;
2310                 } else {
2311                         tag_code = MSG_SIMPLE_Q_TAG;
2312                 }
2313
2314                 switch (bp->bio_cmd) {
2315                 case BIO_WRITE:
2316                         softc->flags |= DA_FLAG_DIRTY;
2317                         /* FALLTHROUGH */
2318                 case BIO_READ:
2319                         scsi_read_write(&start_ccb->csio,
2320                                         /*retries*/da_retry_count,
2321                                         /*cbfcnp*/dadone,
2322                                         /*tag_action*/tag_code,
2323                                         /*read_op*/(bp->bio_cmd == BIO_READ ?
2324                                         SCSI_RW_READ : SCSI_RW_WRITE) |
2325                                         ((bp->bio_flags & BIO_UNMAPPED) != 0 ?
2326                                         SCSI_RW_BIO : 0),
2327                                         /*byte2*/0,
2328                                         softc->minimum_cmd_size,
2329                                         /*lba*/bp->bio_pblkno,
2330                                         /*block_count*/bp->bio_bcount /
2331                                         softc->params.secsize,
2332                                         /*data_ptr*/ (bp->bio_flags &
2333                                         BIO_UNMAPPED) != 0 ? (void *)bp :
2334                                         bp->bio_data,
2335                                         /*dxfer_len*/ bp->bio_bcount,
2336                                         /*sense_len*/SSD_FULL_SIZE,
2337                                         da_default_timeout * 1000);
2338                         break;
2339                 case BIO_FLUSH:
2340                         /*
2341                          * BIO_FLUSH doesn't currently communicate
2342                          * range data, so we synchronize the cache
2343                          * over the whole disk.  We also force
2344                          * ordered tag semantics the flush applies
2345                          * to all previously queued I/O.
2346                          */
2347                         scsi_synchronize_cache(&start_ccb->csio,
2348                                                /*retries*/1,
2349                                                /*cbfcnp*/dadone,
2350                                                MSG_ORDERED_Q_TAG,
2351                                                /*begin_lba*/0,
2352                                                /*lb_count*/0,
2353                                                SSD_FULL_SIZE,
2354                                                da_default_timeout*1000);
2355                         break;
2356                 }
2357                 start_ccb->ccb_h.ccb_state = DA_CCB_BUFFER_IO;
2358                 start_ccb->ccb_h.flags |= CAM_UNLOCKED;
2359
2360 out:
2361                 LIST_INSERT_HEAD(&softc->pending_ccbs,
2362                                  &start_ccb->ccb_h, periph_links.le);
2363
2364                 /* We expect a unit attention from this device */
2365                 if ((softc->flags & DA_FLAG_RETRY_UA) != 0) {
2366                         start_ccb->ccb_h.ccb_state |= DA_CCB_RETRY_UA;
2367                         softc->flags &= ~DA_FLAG_RETRY_UA;
2368                 }
2369
2370                 start_ccb->ccb_h.ccb_bp = bp;
2371                 softc->refcount++;
2372                 cam_periph_unlock(periph);
2373                 xpt_action(start_ccb);
2374                 cam_periph_lock(periph);
2375                 softc->refcount--;
2376
2377                 /* May have more work to do, so ensure we stay scheduled */
2378                 daschedule(periph);
2379                 break;
2380         }
2381         case DA_STATE_PROBE_RC:
2382         {
2383                 struct scsi_read_capacity_data *rcap;
2384
2385                 rcap = (struct scsi_read_capacity_data *)
2386                     malloc(sizeof(*rcap), M_SCSIDA, M_NOWAIT|M_ZERO);
2387                 if (rcap == NULL) {
2388                         printf("dastart: Couldn't malloc read_capacity data\n");
2389                         /* da_free_periph??? */
2390                         break;
2391                 }
2392                 scsi_read_capacity(&start_ccb->csio,
2393                                    /*retries*/da_retry_count,
2394                                    dadone,
2395                                    MSG_SIMPLE_Q_TAG,
2396                                    rcap,
2397                                    SSD_FULL_SIZE,
2398                                    /*timeout*/5000);
2399                 start_ccb->ccb_h.ccb_bp = NULL;
2400                 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_RC;
2401                 xpt_action(start_ccb);
2402                 break;
2403         }
2404         case DA_STATE_PROBE_RC16:
2405         {
2406                 struct scsi_read_capacity_data_long *rcaplong;
2407
2408                 rcaplong = (struct scsi_read_capacity_data_long *)
2409                         malloc(sizeof(*rcaplong), M_SCSIDA, M_NOWAIT|M_ZERO);
2410                 if (rcaplong == NULL) {
2411                         printf("dastart: Couldn't malloc read_capacity data\n");
2412                         /* da_free_periph??? */
2413                         break;
2414                 }
2415                 scsi_read_capacity_16(&start_ccb->csio,
2416                                       /*retries*/ da_retry_count,
2417                                       /*cbfcnp*/ dadone,
2418                                       /*tag_action*/ MSG_SIMPLE_Q_TAG,
2419                                       /*lba*/ 0,
2420                                       /*reladr*/ 0,
2421                                       /*pmi*/ 0,
2422                                       /*rcap_buf*/ (uint8_t *)rcaplong,
2423                                       /*rcap_buf_len*/ sizeof(*rcaplong),
2424                                       /*sense_len*/ SSD_FULL_SIZE,
2425                                       /*timeout*/ da_default_timeout * 1000);
2426                 start_ccb->ccb_h.ccb_bp = NULL;
2427                 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_RC16;
2428                 xpt_action(start_ccb);
2429                 break;
2430         }
2431         case DA_STATE_PROBE_LBP:
2432         {
2433                 struct scsi_vpd_logical_block_prov *lbp;
2434
2435                 if (!scsi_vpd_supported_page(periph, SVPD_LBP)) {
2436                         /*
2437                          * If we get here we don't support any SBC-3 delete
2438                          * methods with UNMAP as the Logical Block Provisioning
2439                          * VPD page support is required for devices which
2440                          * support it according to T10/1799-D Revision 31
2441                          * however older revisions of the spec don't mandate
2442                          * this so we currently don't remove these methods
2443                          * from the available set.
2444                          */
2445                         softc->state = DA_STATE_PROBE_BLK_LIMITS;
2446                         goto skipstate;
2447                 }
2448
2449                 lbp = (struct scsi_vpd_logical_block_prov *)
2450                         malloc(sizeof(*lbp), M_SCSIDA, M_NOWAIT|M_ZERO);
2451
2452                 if (lbp == NULL) {
2453                         printf("dastart: Couldn't malloc lbp data\n");
2454                         /* da_free_periph??? */
2455                         break;
2456                 }
2457
2458                 scsi_inquiry(&start_ccb->csio,
2459                              /*retries*/da_retry_count,
2460                              /*cbfcnp*/dadone,
2461                              /*tag_action*/MSG_SIMPLE_Q_TAG,
2462                              /*inq_buf*/(u_int8_t *)lbp,
2463                              /*inq_len*/sizeof(*lbp),
2464                              /*evpd*/TRUE,
2465                              /*page_code*/SVPD_LBP,
2466                              /*sense_len*/SSD_MIN_SIZE,
2467                              /*timeout*/da_default_timeout * 1000);
2468                 start_ccb->ccb_h.ccb_bp = NULL;
2469                 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_LBP;
2470                 xpt_action(start_ccb);
2471                 break;
2472         }
2473         case DA_STATE_PROBE_BLK_LIMITS:
2474         {
2475                 struct scsi_vpd_block_limits *block_limits;
2476
2477                 if (!scsi_vpd_supported_page(periph, SVPD_BLOCK_LIMITS)) {
2478                         /* Not supported skip to next probe */
2479                         softc->state = DA_STATE_PROBE_BDC;
2480                         goto skipstate;
2481                 }
2482
2483                 block_limits = (struct scsi_vpd_block_limits *)
2484                         malloc(sizeof(*block_limits), M_SCSIDA, M_NOWAIT|M_ZERO);
2485
2486                 if (block_limits == NULL) {
2487                         printf("dastart: Couldn't malloc block_limits data\n");
2488                         /* da_free_periph??? */
2489                         break;
2490                 }
2491
2492                 scsi_inquiry(&start_ccb->csio,
2493                              /*retries*/da_retry_count,
2494                              /*cbfcnp*/dadone,
2495                              /*tag_action*/MSG_SIMPLE_Q_TAG,
2496                              /*inq_buf*/(u_int8_t *)block_limits,
2497                              /*inq_len*/sizeof(*block_limits),
2498                              /*evpd*/TRUE,
2499                              /*page_code*/SVPD_BLOCK_LIMITS,
2500                              /*sense_len*/SSD_MIN_SIZE,
2501                              /*timeout*/da_default_timeout * 1000);
2502                 start_ccb->ccb_h.ccb_bp = NULL;
2503                 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_BLK_LIMITS;
2504                 xpt_action(start_ccb);
2505                 break;
2506         }
2507         case DA_STATE_PROBE_BDC:
2508         {
2509                 struct scsi_vpd_block_characteristics *bdc;
2510
2511                 if (!scsi_vpd_supported_page(periph, SVPD_BDC)) {
2512                         softc->state = DA_STATE_PROBE_ATA;
2513                         goto skipstate;
2514                 }
2515
2516                 bdc = (struct scsi_vpd_block_characteristics *)
2517                         malloc(sizeof(*bdc), M_SCSIDA, M_NOWAIT|M_ZERO);
2518
2519                 if (bdc == NULL) {
2520                         printf("dastart: Couldn't malloc bdc data\n");
2521                         /* da_free_periph??? */
2522                         break;
2523                 }
2524
2525                 scsi_inquiry(&start_ccb->csio,
2526                              /*retries*/da_retry_count,
2527                              /*cbfcnp*/dadone,
2528                              /*tag_action*/MSG_SIMPLE_Q_TAG,
2529                              /*inq_buf*/(u_int8_t *)bdc,
2530                              /*inq_len*/sizeof(*bdc),
2531                              /*evpd*/TRUE,
2532                              /*page_code*/SVPD_BDC,
2533                              /*sense_len*/SSD_MIN_SIZE,
2534                              /*timeout*/da_default_timeout * 1000);
2535                 start_ccb->ccb_h.ccb_bp = NULL;
2536                 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_BDC;
2537                 xpt_action(start_ccb);
2538                 break;
2539         }
2540         case DA_STATE_PROBE_ATA:
2541         {
2542                 struct ata_params *ata_params;
2543
2544                 if (!scsi_vpd_supported_page(periph, SVPD_ATA_INFORMATION)) {
2545                         daprobedone(periph, start_ccb);
2546                         break;
2547                 }
2548
2549                 ata_params = (struct ata_params*)
2550                         malloc(sizeof(*ata_params), M_SCSIDA, M_NOWAIT|M_ZERO);
2551
2552                 if (ata_params == NULL) {
2553                         printf("dastart: Couldn't malloc ata_params data\n");
2554                         /* da_free_periph??? */
2555                         break;
2556                 }
2557
2558                 scsi_ata_identify(&start_ccb->csio,
2559                                   /*retries*/da_retry_count,
2560                                   /*cbfcnp*/dadone,
2561                                   /*tag_action*/MSG_SIMPLE_Q_TAG,
2562                                   /*data_ptr*/(u_int8_t *)ata_params,
2563                                   /*dxfer_len*/sizeof(*ata_params),
2564                                   /*sense_len*/SSD_FULL_SIZE,
2565                                   /*timeout*/da_default_timeout * 1000);
2566                 start_ccb->ccb_h.ccb_bp = NULL;
2567                 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_ATA;
2568                 xpt_action(start_ccb);
2569                 break;
2570         }
2571         }
2572 }
2573
2574 /*
2575  * In each of the methods below, while its the caller's
2576  * responsibility to ensure the request will fit into a
2577  * single device request, we might have changed the delete
2578  * method due to the device incorrectly advertising either
2579  * its supported methods or limits.
2580  *
2581  * To prevent this causing further issues we validate the
2582  * against the methods limits, and warn which would
2583  * otherwise be unnecessary.
2584  */
2585 static void
2586 da_delete_unmap(struct cam_periph *periph, union ccb *ccb, struct bio *bp)
2587 {
2588         struct da_softc *softc = (struct da_softc *)periph->softc;;
2589         struct bio *bp1;
2590         uint8_t *buf = softc->unmap_buf;
2591         uint64_t lba, lastlba = (uint64_t)-1;
2592         uint64_t totalcount = 0;
2593         uint64_t count;
2594         uint32_t lastcount = 0, c;
2595         uint32_t off, ranges = 0;
2596
2597         /*
2598          * Currently this doesn't take the UNMAP
2599          * Granularity and Granularity Alignment
2600          * fields into account.
2601          *
2602          * This could result in both unoptimal unmap
2603          * requests as as well as UNMAP calls unmapping
2604          * fewer LBA's than requested.
2605          */
2606
2607         softc->delete_running = 1;
2608         bzero(softc->unmap_buf, sizeof(softc->unmap_buf));
2609         bp1 = bp;
2610         do {
2611                 bioq_remove(&softc->delete_queue, bp1);
2612                 if (bp1 != bp)
2613                         bioq_insert_tail(&softc->delete_run_queue, bp1);
2614                 lba = bp1->bio_pblkno;
2615                 count = bp1->bio_bcount / softc->params.secsize;
2616
2617                 /* Try to extend the previous range. */
2618                 if (lba == lastlba) {
2619                         c = omin(count, UNMAP_RANGE_MAX - lastcount);
2620                         lastcount += c;
2621                         off = ((ranges - 1) * UNMAP_RANGE_SIZE) +
2622                               UNMAP_HEAD_SIZE;
2623                         scsi_ulto4b(lastcount, &buf[off + 8]);
2624                         count -= c;
2625                         lba +=c;
2626                         totalcount += c;
2627                 }
2628
2629                 while (count > 0) {
2630                         c = omin(count, UNMAP_RANGE_MAX);
2631                         if (totalcount + c > softc->unmap_max_lba ||
2632                             ranges >= softc->unmap_max_ranges) {
2633                                 xpt_print(periph->path,
2634                                     "%s issuing short delete %ld > %ld"
2635                                     "|| %d >= %d",
2636                                     da_delete_method_desc[softc->delete_method],
2637                                     totalcount + c, softc->unmap_max_lba,
2638                                     ranges, softc->unmap_max_ranges);
2639                                 break;
2640                         }
2641                         off = (ranges * UNMAP_RANGE_SIZE) + UNMAP_HEAD_SIZE;
2642                         scsi_u64to8b(lba, &buf[off + 0]);
2643                         scsi_ulto4b(c, &buf[off + 8]);
2644                         lba += c;
2645                         totalcount += c;
2646                         ranges++;
2647                         count -= c;
2648                         lastcount = c;
2649                 }
2650                 lastlba = lba;
2651                 bp1 = bioq_first(&softc->delete_queue);
2652                 if (bp1 == NULL || ranges >= softc->unmap_max_ranges ||
2653                     totalcount + bp1->bio_bcount /
2654                     softc->params.secsize > softc->unmap_max_lba)
2655                         break;
2656         } while (1);
2657         scsi_ulto2b(ranges * 16 + 6, &buf[0]);
2658         scsi_ulto2b(ranges * 16, &buf[2]);
2659
2660         scsi_unmap(&ccb->csio,
2661                    /*retries*/da_retry_count,
2662                    /*cbfcnp*/dadone,
2663                    /*tag_action*/MSG_SIMPLE_Q_TAG,
2664                    /*byte2*/0,
2665                    /*data_ptr*/ buf,
2666                    /*dxfer_len*/ ranges * 16 + 8,
2667                    /*sense_len*/SSD_FULL_SIZE,
2668                    da_default_timeout * 1000);
2669         ccb->ccb_h.ccb_state = DA_CCB_DELETE;
2670         ccb->ccb_h.flags |= CAM_UNLOCKED;
2671 }
2672
2673 static void
2674 da_delete_trim(struct cam_periph *periph, union ccb *ccb, struct bio *bp)
2675 {
2676         struct da_softc *softc = (struct da_softc *)periph->softc;
2677         struct bio *bp1;
2678         uint8_t *buf = softc->unmap_buf;
2679         uint64_t lastlba = (uint64_t)-1;
2680         uint64_t count;
2681         uint64_t lba;
2682         uint32_t lastcount = 0, c, requestcount;
2683         int ranges = 0, off, block_count;
2684
2685         softc->delete_running = 1;
2686         bzero(softc->unmap_buf, sizeof(softc->unmap_buf));
2687         bp1 = bp;
2688         do {
2689                 bioq_remove(&softc->delete_queue, bp1);
2690                 if (bp1 != bp)
2691                         bioq_insert_tail(&softc->delete_run_queue, bp1);
2692                 lba = bp1->bio_pblkno;
2693                 count = bp1->bio_bcount / softc->params.secsize;
2694                 requestcount = count;
2695
2696                 /* Try to extend the previous range. */
2697                 if (lba == lastlba) {
2698                         c = omin(count, ATA_DSM_RANGE_MAX - lastcount);
2699                         lastcount += c;
2700                         off = (ranges - 1) * 8;
2701                         buf[off + 6] = lastcount & 0xff;
2702                         buf[off + 7] = (lastcount >> 8) & 0xff;
2703                         count -= c;
2704                         lba += c;
2705                 }
2706
2707                 while (count > 0) {
2708                         c = omin(count, ATA_DSM_RANGE_MAX);
2709                         off = ranges * 8;
2710
2711                         buf[off + 0] = lba & 0xff;
2712                         buf[off + 1] = (lba >> 8) & 0xff;
2713                         buf[off + 2] = (lba >> 16) & 0xff;
2714                         buf[off + 3] = (lba >> 24) & 0xff;
2715                         buf[off + 4] = (lba >> 32) & 0xff;
2716                         buf[off + 5] = (lba >> 40) & 0xff;
2717                         buf[off + 6] = c & 0xff;
2718                         buf[off + 7] = (c >> 8) & 0xff;
2719                         lba += c;
2720                         ranges++;
2721                         count -= c;
2722                         lastcount = c;
2723                         if (count != 0 && ranges == softc->trim_max_ranges) {
2724                                 xpt_print(periph->path,
2725                                     "%s issuing short delete %ld > %ld\n",
2726                                     da_delete_method_desc[softc->delete_method],
2727                                     requestcount,
2728                                     (softc->trim_max_ranges - ranges) *
2729                                     ATA_DSM_RANGE_MAX);
2730                                 break;
2731                         }
2732                 }
2733                 lastlba = lba;
2734                 bp1 = bioq_first(&softc->delete_queue);
2735                 if (bp1 == NULL || bp1->bio_bcount / softc->params.secsize >
2736                     (softc->trim_max_ranges - ranges) * ATA_DSM_RANGE_MAX)
2737                         break;
2738         } while (1);
2739
2740         block_count = (ranges + ATA_DSM_BLK_RANGES - 1) / ATA_DSM_BLK_RANGES;
2741         scsi_ata_trim(&ccb->csio,
2742                       /*retries*/da_retry_count,
2743                       /*cbfcnp*/dadone,
2744                       /*tag_action*/MSG_SIMPLE_Q_TAG,
2745                       block_count,
2746                       /*data_ptr*/buf,
2747                       /*dxfer_len*/block_count * ATA_DSM_BLK_SIZE,
2748                       /*sense_len*/SSD_FULL_SIZE,
2749                       da_default_timeout * 1000);
2750         ccb->ccb_h.ccb_state = DA_CCB_DELETE;
2751         ccb->ccb_h.flags |= CAM_UNLOCKED;
2752 }
2753
2754 /*
2755  * We calculate ws_max_blks here based off d_delmaxsize instead
2756  * of using softc->ws_max_blks as it is absolute max for the
2757  * device not the protocol max which may well be lower.
2758  */
2759 static void
2760 da_delete_ws(struct cam_periph *periph, union ccb *ccb, struct bio *bp)
2761 {
2762         struct da_softc *softc;
2763         struct bio *bp1;
2764         uint64_t ws_max_blks;
2765         uint64_t lba;
2766         uint64_t count; /* forward compat with WS32 */
2767
2768         softc = (struct da_softc *)periph->softc;
2769         ws_max_blks = softc->disk->d_delmaxsize / softc->params.secsize;
2770         softc->delete_running = 1;
2771         lba = bp->bio_pblkno;
2772         count = 0;
2773         bp1 = bp;
2774         do {
2775                 bioq_remove(&softc->delete_queue, bp1);
2776                 if (bp1 != bp)
2777                         bioq_insert_tail(&softc->delete_run_queue, bp1);
2778                 count += bp1->bio_bcount / softc->params.secsize;
2779                 if (count > ws_max_blks) {
2780                         xpt_print(periph->path,
2781                             "%s issuing short delete %ld > %ld\n",
2782                             da_delete_method_desc[softc->delete_method],
2783                             count, ws_max_blks);
2784                         count = omin(count, ws_max_blks);
2785                         break;
2786                 }
2787                 bp1 = bioq_first(&softc->delete_queue);
2788                 if (bp1 == NULL || lba + count != bp1->bio_pblkno ||
2789                     count + bp1->bio_bcount /
2790                     softc->params.secsize > ws_max_blks)
2791                         break;
2792         } while (1);
2793
2794         scsi_write_same(&ccb->csio,
2795                         /*retries*/da_retry_count,
2796                         /*cbfcnp*/dadone,
2797                         /*tag_action*/MSG_SIMPLE_Q_TAG,
2798                         /*byte2*/softc->delete_method ==
2799                             DA_DELETE_ZERO ? 0 : SWS_UNMAP,
2800                         softc->delete_method == DA_DELETE_WS16 ? 16 : 10,
2801                         /*lba*/lba,
2802                         /*block_count*/count,
2803                         /*data_ptr*/ __DECONST(void *, zero_region),
2804                         /*dxfer_len*/ softc->params.secsize,
2805                         /*sense_len*/SSD_FULL_SIZE,
2806                         da_default_timeout * 1000);
2807         ccb->ccb_h.ccb_state = DA_CCB_DELETE;
2808         ccb->ccb_h.flags |= CAM_UNLOCKED;
2809 }
2810
2811 static int
2812 cmd6workaround(union ccb *ccb)
2813 {
2814         struct scsi_rw_6 cmd6;
2815         struct scsi_rw_10 *cmd10;
2816         struct da_softc *softc;
2817         u_int8_t *cdb;
2818         struct bio *bp;
2819         int frozen;
2820
2821         cdb = ccb->csio.cdb_io.cdb_bytes;
2822         softc = (struct da_softc *)xpt_path_periph(ccb->ccb_h.path)->softc;
2823
2824         if (ccb->ccb_h.ccb_state == DA_CCB_DELETE) {
2825                 da_delete_methods old_method = softc->delete_method;
2826
2827                 /*
2828                  * Typically there are two reasons for failure here
2829                  * 1. Delete method was detected as supported but isn't
2830                  * 2. Delete failed due to invalid params e.g. too big
2831                  *
2832                  * While we will attempt to choose an alternative delete method
2833                  * this may result in short deletes if the existing delete
2834                  * requests from geom are big for the new method choosen.
2835                  *
2836                  * This method assumes that the error which triggered this
2837                  * will not retry the io otherwise a panic will occur
2838                  */
2839                 dadeleteflag(softc, old_method, 0);
2840                 dadeletemethodchoose(softc, DA_DELETE_DISABLE);
2841                 if (softc->delete_method == DA_DELETE_DISABLE)
2842                         xpt_print(ccb->ccb_h.path,
2843                                   "%s failed, disabling BIO_DELETE\n",
2844                                   da_delete_method_desc[old_method]);
2845                 else
2846                         xpt_print(ccb->ccb_h.path,
2847                                   "%s failed, switching to %s BIO_DELETE\n",
2848                                   da_delete_method_desc[old_method],
2849                                   da_delete_method_desc[softc->delete_method]);
2850
2851                 while ((bp = bioq_takefirst(&softc->delete_run_queue)) != NULL)
2852                         bioq_disksort(&softc->delete_queue, bp);
2853                 bioq_disksort(&softc->delete_queue,
2854                     (struct bio *)ccb->ccb_h.ccb_bp);
2855                 ccb->ccb_h.ccb_bp = NULL;
2856                 return (0);
2857         }
2858
2859         /* Detect unsupported PREVENT ALLOW MEDIUM REMOVAL. */
2860         if ((ccb->ccb_h.flags & CAM_CDB_POINTER) == 0 &&
2861             (*cdb == PREVENT_ALLOW) &&
2862             (softc->quirks & DA_Q_NO_PREVENT) == 0) {
2863                 if (bootverbose)
2864                         xpt_print(ccb->ccb_h.path,
2865                             "PREVENT ALLOW MEDIUM REMOVAL not supported.\n");
2866                 softc->quirks |= DA_Q_NO_PREVENT;
2867                 return (0);
2868         }
2869
2870         /* Detect unsupported SYNCHRONIZE CACHE(10). */
2871         if ((ccb->ccb_h.flags & CAM_CDB_POINTER) == 0 &&
2872             (*cdb == SYNCHRONIZE_CACHE) &&
2873             (softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) {
2874                 if (bootverbose)
2875                         xpt_print(ccb->ccb_h.path,
2876                             "SYNCHRONIZE CACHE(10) not supported.\n");
2877                 softc->quirks |= DA_Q_NO_SYNC_CACHE;
2878                 softc->disk->d_flags &= ~DISKFLAG_CANFLUSHCACHE;
2879                 return (0);
2880         }
2881
2882         /* Translation only possible if CDB is an array and cmd is R/W6 */
2883         if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0 ||
2884             (*cdb != READ_6 && *cdb != WRITE_6))
2885                 return 0;
2886
2887         xpt_print(ccb->ccb_h.path, "READ(6)/WRITE(6) not supported, "
2888             "increasing minimum_cmd_size to 10.\n");
2889         softc->minimum_cmd_size = 10;
2890
2891         bcopy(cdb, &cmd6, sizeof(struct scsi_rw_6));
2892         cmd10 = (struct scsi_rw_10 *)cdb;
2893         cmd10->opcode = (cmd6.opcode == READ_6) ? READ_10 : WRITE_10;
2894         cmd10->byte2 = 0;
2895         scsi_ulto4b(scsi_3btoul(cmd6.addr), cmd10->addr);
2896         cmd10->reserved = 0;
2897         scsi_ulto2b(cmd6.length, cmd10->length);
2898         cmd10->control = cmd6.control;
2899         ccb->csio.cdb_len = sizeof(*cmd10);
2900
2901         /* Requeue request, unfreezing queue if necessary */
2902         frozen = (ccb->ccb_h.status & CAM_DEV_QFRZN) != 0;
2903         ccb->ccb_h.status = CAM_REQUEUE_REQ;
2904         xpt_action(ccb);
2905         if (frozen) {
2906                 cam_release_devq(ccb->ccb_h.path,
2907                                  /*relsim_flags*/0,
2908                                  /*reduction*/0,
2909                                  /*timeout*/0,
2910                                  /*getcount_only*/0);
2911         }
2912         return (ERESTART);
2913 }
2914
2915 static void
2916 dadone(struct cam_periph *periph, union ccb *done_ccb)
2917 {
2918         struct da_softc *softc;
2919         struct ccb_scsiio *csio;
2920         u_int32_t  priority;
2921         da_ccb_state state;
2922
2923         softc = (struct da_softc *)periph->softc;
2924         priority = done_ccb->ccb_h.pinfo.priority;
2925
2926         CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone\n"));
2927
2928         csio = &done_ccb->csio;
2929         state = csio->ccb_h.ccb_state & DA_CCB_TYPE_MASK;
2930         switch (state) {
2931         case DA_CCB_BUFFER_IO:
2932         case DA_CCB_DELETE:
2933         {
2934                 struct bio *bp, *bp1;
2935
2936                 cam_periph_lock(periph);
2937                 bp = (struct bio *)done_ccb->ccb_h.ccb_bp;
2938                 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
2939                         int error;
2940                         int sf;
2941
2942                         if ((csio->ccb_h.ccb_state & DA_CCB_RETRY_UA) != 0)
2943                                 sf = SF_RETRY_UA;
2944                         else
2945                                 sf = 0;
2946
2947                         error = daerror(done_ccb, CAM_RETRY_SELTO, sf);
2948                         if (error == ERESTART) {
2949                                 /*
2950                                  * A retry was scheduled, so
2951                                  * just return.
2952                                  */
2953                                 cam_periph_unlock(periph);
2954                                 return;
2955                         }
2956                         bp = (struct bio *)done_ccb->ccb_h.ccb_bp;
2957                         if (error != 0) {
2958                                 int queued_error;
2959
2960                                 /*
2961                                  * return all queued I/O with EIO, so that
2962                                  * the client can retry these I/Os in the
2963                                  * proper order should it attempt to recover.
2964                                  */
2965                                 queued_error = EIO;
2966
2967                                 if (error == ENXIO
2968                                  && (softc->flags & DA_FLAG_PACK_INVALID)== 0) {
2969                                         /*
2970                                          * Catastrophic error.  Mark our pack as
2971                                          * invalid.
2972                                          */
2973                                         /*
2974                                          * XXX See if this is really a media
2975                                          * XXX change first?
2976                                          */
2977                                         xpt_print(periph->path,
2978                                             "Invalidating pack\n");
2979                                         softc->flags |= DA_FLAG_PACK_INVALID;
2980                                         queued_error = ENXIO;
2981                                 }
2982                                 bioq_flush(&softc->bio_queue, NULL,
2983                                            queued_error);
2984                                 if (bp != NULL) {
2985                                         bp->bio_error = error;
2986                                         bp->bio_resid = bp->bio_bcount;
2987                                         bp->bio_flags |= BIO_ERROR;
2988                                 }
2989                         } else if (bp != NULL) {
2990                                 if (state == DA_CCB_DELETE)
2991                                         bp->bio_resid = 0;
2992                                 else
2993                                         bp->bio_resid = csio->resid;
2994                                 bp->bio_error = 0;
2995                                 if (bp->bio_resid != 0)
2996                                         bp->bio_flags |= BIO_ERROR;
2997                         }
2998                         if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
2999                                 cam_release_devq(done_ccb->ccb_h.path,
3000                                                  /*relsim_flags*/0,
3001                                                  /*reduction*/0,
3002                                                  /*timeout*/0,
3003                                                  /*getcount_only*/0);
3004                 } else if (bp != NULL) {
3005                         if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
3006                                 panic("REQ_CMP with QFRZN");
3007                         if (state == DA_CCB_DELETE)
3008                                 bp->bio_resid = 0;
3009                         else
3010                                 bp->bio_resid = csio->resid;
3011                         if (csio->resid > 0)
3012                                 bp->bio_flags |= BIO_ERROR;
3013                         if (softc->error_inject != 0) {
3014                                 bp->bio_error = softc->error_inject;
3015                                 bp->bio_resid = bp->bio_bcount;
3016                                 bp->bio_flags |= BIO_ERROR;
3017                                 softc->error_inject = 0;
3018                         }
3019                 }
3020
3021                 LIST_REMOVE(&done_ccb->ccb_h, periph_links.le);
3022                 if (LIST_EMPTY(&softc->pending_ccbs))
3023                         softc->flags |= DA_FLAG_WAS_OTAG;
3024
3025                 xpt_release_ccb(done_ccb);
3026                 if (state == DA_CCB_DELETE) {
3027                         TAILQ_HEAD(, bio) queue;
3028
3029                         TAILQ_INIT(&queue);
3030                         TAILQ_CONCAT(&queue, &softc->delete_run_queue.queue, bio_queue);
3031                         softc->delete_run_queue.insert_point = NULL;
3032                         /*
3033                          * Normally, the xpt_release_ccb() above would make sure
3034                          * that when we have more work to do, that work would
3035                          * get kicked off. However, we specifically keep
3036                          * delete_running set to 0 before the call above to
3037                          * allow other I/O to progress when many BIO_DELETE
3038                          * requests are pushed down. We set delete_running to 0
3039                          * and call daschedule again so that we don't stall if
3040                          * there are no other I/Os pending apart from BIO_DELETEs.
3041                          */
3042                         softc->delete_running = 0;
3043                         daschedule(periph);
3044                         cam_periph_unlock(periph);
3045                         while ((bp1 = TAILQ_FIRST(&queue)) != NULL) {
3046                                 TAILQ_REMOVE(&queue, bp1, bio_queue);
3047                                 bp1->bio_error = bp->bio_error;
3048                                 if (bp->bio_flags & BIO_ERROR) {
3049                                         bp1->bio_flags |= BIO_ERROR;
3050                                         bp1->bio_resid = bp1->bio_bcount;
3051                                 } else
3052                                         bp1->bio_resid = 0;
3053                                 biodone(bp1);
3054                         }
3055                 } else
3056                         cam_periph_unlock(periph);
3057                 if (bp != NULL)
3058                         biodone(bp);
3059                 return;
3060         }
3061         case DA_CCB_PROBE_RC:
3062         case DA_CCB_PROBE_RC16:
3063         {
3064                 struct     scsi_read_capacity_data *rdcap;
3065                 struct     scsi_read_capacity_data_long *rcaplong;
3066                 char       announce_buf[80];
3067                 int        lbp;
3068
3069                 lbp = 0;
3070                 rdcap = NULL;
3071                 rcaplong = NULL;
3072                 if (state == DA_CCB_PROBE_RC)
3073                         rdcap =(struct scsi_read_capacity_data *)csio->data_ptr;
3074                 else
3075                         rcaplong = (struct scsi_read_capacity_data_long *)
3076                                 csio->data_ptr;
3077
3078                 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
3079                         struct disk_params *dp;
3080                         uint32_t block_size;
3081                         uint64_t maxsector;
3082                         u_int lalba;    /* Lowest aligned LBA. */
3083
3084                         if (state == DA_CCB_PROBE_RC) {
3085                                 block_size = scsi_4btoul(rdcap->length);
3086                                 maxsector = scsi_4btoul(rdcap->addr);
3087                                 lalba = 0;
3088
3089                                 /*
3090                                  * According to SBC-2, if the standard 10
3091                                  * byte READ CAPACITY command returns 2^32,
3092                                  * we should issue the 16 byte version of
3093                                  * the command, since the device in question
3094                                  * has more sectors than can be represented
3095                                  * with the short version of the command.
3096                                  */
3097                                 if (maxsector == 0xffffffff) {
3098                                         free(rdcap, M_SCSIDA);
3099                                         xpt_release_ccb(done_ccb);
3100                                         softc->state = DA_STATE_PROBE_RC16;
3101                                         xpt_schedule(periph, priority);
3102                                         return;
3103                                 }
3104                         } else {
3105                                 block_size = scsi_4btoul(rcaplong->length);
3106                                 maxsector = scsi_8btou64(rcaplong->addr);
3107                                 lalba = scsi_2btoul(rcaplong->lalba_lbp);
3108                         }
3109
3110                         /*
3111                          * Because GEOM code just will panic us if we
3112                          * give them an 'illegal' value we'll avoid that
3113                          * here.
3114                          */
3115                         if (block_size == 0) {
3116                                 block_size = 512;
3117                                 if (maxsector == 0)
3118                                         maxsector = -1;
3119                         }
3120                         if (block_size >= MAXPHYS) {
3121                                 xpt_print(periph->path,
3122                                     "unsupportable block size %ju\n",
3123                                     (uintmax_t) block_size);
3124                                 announce_buf[0] = '\0';
3125                                 cam_periph_invalidate(periph);
3126                         } else {
3127                                 /*
3128                                  * We pass rcaplong into dasetgeom(),
3129                                  * because it will only use it if it is
3130                                  * non-NULL.
3131                                  */
3132                                 dasetgeom(periph, block_size, maxsector,
3133                                           rcaplong, sizeof(*rcaplong));
3134                                 lbp = (lalba & SRC16_LBPME_A);
3135                                 dp = &softc->params;
3136                                 snprintf(announce_buf, sizeof(announce_buf),
3137                                         "%juMB (%ju %u byte sectors: %dH %dS/T "
3138                                         "%dC)", (uintmax_t)
3139                                         (((uintmax_t)dp->secsize *
3140                                         dp->sectors) / (1024*1024)),
3141                                         (uintmax_t)dp->sectors,
3142                                         dp->secsize, dp->heads,
3143                                         dp->secs_per_track, dp->cylinders);
3144                         }
3145                 } else {
3146                         int     error;
3147
3148                         announce_buf[0] = '\0';
3149
3150                         /*
3151                          * Retry any UNIT ATTENTION type errors.  They
3152                          * are expected at boot.
3153                          */
3154                         error = daerror(done_ccb, CAM_RETRY_SELTO,
3155                                         SF_RETRY_UA|SF_NO_PRINT);
3156                         if (error == ERESTART) {
3157                                 /*
3158                                  * A retry was scheuled, so
3159                                  * just return.
3160                                  */
3161                                 return;
3162                         } else if (error != 0) {
3163                                 int asc, ascq;
3164                                 int sense_key, error_code;
3165                                 int have_sense;
3166                                 cam_status status;
3167                                 struct ccb_getdev cgd;
3168
3169                                 /* Don't wedge this device's queue */
3170                                 status = done_ccb->ccb_h.status;
3171                                 if ((status & CAM_DEV_QFRZN) != 0)
3172                                         cam_release_devq(done_ccb->ccb_h.path,
3173                                                          /*relsim_flags*/0,
3174                                                          /*reduction*/0,
3175                                                          /*timeout*/0,
3176                                                          /*getcount_only*/0);
3177
3178
3179                                 xpt_setup_ccb(&cgd.ccb_h,
3180                                               done_ccb->ccb_h.path,
3181                                               CAM_PRIORITY_NORMAL);
3182                                 cgd.ccb_h.func_code = XPT_GDEV_TYPE;
3183                                 xpt_action((union ccb *)&cgd);
3184
3185                                 if (scsi_extract_sense_ccb(done_ccb,
3186                                     &error_code, &sense_key, &asc, &ascq))
3187                                         have_sense = TRUE;
3188                                 else
3189                                         have_sense = FALSE;
3190
3191                                 /*
3192                                  * If we tried READ CAPACITY(16) and failed,
3193                                  * fallback to READ CAPACITY(10).
3194                                  */
3195                                 if ((state == DA_CCB_PROBE_RC16) &&
3196                                     (softc->flags & DA_FLAG_CAN_RC16) &&
3197                                     (((csio->ccb_h.status & CAM_STATUS_MASK) ==
3198                                         CAM_REQ_INVALID) ||
3199                                      ((have_sense) &&
3200                                       (error_code == SSD_CURRENT_ERROR) &&
3201                                       (sense_key == SSD_KEY_ILLEGAL_REQUEST)))) {
3202                                         softc->flags &= ~DA_FLAG_CAN_RC16;
3203                                         free(rdcap, M_SCSIDA);
3204                                         xpt_release_ccb(done_ccb);
3205                                         softc->state = DA_STATE_PROBE_RC;
3206                                         xpt_schedule(periph, priority);
3207                                         return;
3208                                 } else
3209                                 /*
3210                                  * Attach to anything that claims to be a
3211                                  * direct access or optical disk device,
3212                                  * as long as it doesn't return a "Logical
3213                                  * unit not supported" (0x25) error.
3214                                  */
3215                                 if ((have_sense) && (asc != 0x25)
3216                                  && (error_code == SSD_CURRENT_ERROR)) {
3217                                         const char *sense_key_desc;
3218                                         const char *asc_desc;
3219
3220                                         dasetgeom(periph, 512, -1, NULL, 0);
3221                                         scsi_sense_desc(sense_key, asc, ascq,
3222                                                         &cgd.inq_data,
3223                                                         &sense_key_desc,
3224                                                         &asc_desc);
3225                                         snprintf(announce_buf,
3226                                             sizeof(announce_buf),
3227                                                 "Attempt to query device "
3228                                                 "size failed: %s, %s",
3229                                                 sense_key_desc,
3230                                                 asc_desc);
3231                                 } else {
3232                                         if (have_sense)
3233                                                 scsi_sense_print(
3234                                                         &done_ccb->csio);
3235                                         else {
3236                                                 xpt_print(periph->path,
3237                                                     "got CAM status %#x\n",
3238                                                     done_ccb->ccb_h.status);
3239                                         }
3240
3241                                         xpt_print(periph->path, "fatal error, "
3242                                             "failed to attach to device\n");
3243
3244                                         /*
3245                                          * Free up resources.
3246                                          */
3247                                         cam_periph_invalidate(periph);
3248                                 }
3249                         }
3250                 }
3251                 free(csio->data_ptr, M_SCSIDA);
3252                 if (announce_buf[0] != '\0' &&
3253                     ((softc->flags & DA_FLAG_ANNOUNCED) == 0)) {
3254                         /*
3255                          * Create our sysctl variables, now that we know
3256                          * we have successfully attached.
3257                          */
3258                         /* increase the refcount */
3259                         if (cam_periph_acquire(periph) == CAM_REQ_CMP) {
3260                                 taskqueue_enqueue(taskqueue_thread,
3261                                                   &softc->sysctl_task);
3262                                 xpt_announce_periph(periph, announce_buf);
3263                                 xpt_announce_quirks(periph, softc->quirks,
3264                                     DA_Q_BIT_STRING);
3265                         } else {
3266                                 xpt_print(periph->path, "fatal error, "
3267                                     "could not acquire reference count\n");
3268                         }
3269                 }
3270
3271                 /* We already probed the device. */
3272                 if (softc->flags & DA_FLAG_PROBED) {
3273                         daprobedone(periph, done_ccb);
3274                         return;
3275                 }
3276
3277                 /* Ensure re-probe doesn't see old delete. */
3278                 softc->delete_available = 0;
3279                 if (lbp && (softc->quirks & DA_Q_NO_UNMAP) == 0) {
3280                         /*
3281                          * Based on older SBC-3 spec revisions
3282                          * any of the UNMAP methods "may" be
3283                          * available via LBP given this flag so
3284                          * we flag all of them as availble and
3285                          * then remove those which further
3286                          * probes confirm aren't available
3287                          * later.
3288                          *
3289                          * We could also check readcap(16) p_type
3290                          * flag to exclude one or more invalid
3291                          * write same (X) types here
3292                          */
3293                         dadeleteflag(softc, DA_DELETE_WS16, 1);
3294                         dadeleteflag(softc, DA_DELETE_WS10, 1);
3295                         dadeleteflag(softc, DA_DELETE_ZERO, 1);
3296                         dadeleteflag(softc, DA_DELETE_UNMAP, 1);
3297
3298                         xpt_release_ccb(done_ccb);
3299                         softc->state = DA_STATE_PROBE_LBP;
3300                         xpt_schedule(periph, priority);
3301                         return;
3302                 }
3303
3304                 xpt_release_ccb(done_ccb);
3305                 softc->state = DA_STATE_PROBE_BDC;
3306                 xpt_schedule(periph, priority);
3307                 return;
3308         }
3309         case DA_CCB_PROBE_LBP:
3310         {
3311                 struct scsi_vpd_logical_block_prov *lbp;
3312
3313                 lbp = (struct scsi_vpd_logical_block_prov *)csio->data_ptr;
3314
3315                 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
3316                         /*
3317                          * T10/1799-D Revision 31 states at least one of these
3318                          * must be supported but we don't currently enforce this.
3319                          */
3320                         dadeleteflag(softc, DA_DELETE_WS16,
3321                                      (lbp->flags & SVPD_LBP_WS16));
3322                         dadeleteflag(softc, DA_DELETE_WS10,
3323                                      (lbp->flags & SVPD_LBP_WS10));
3324                         dadeleteflag(softc, DA_DELETE_ZERO,
3325                                      (lbp->flags & SVPD_LBP_WS10));
3326                         dadeleteflag(softc, DA_DELETE_UNMAP,
3327                                      (lbp->flags & SVPD_LBP_UNMAP));
3328                 } else {
3329                         int error;
3330                         error = daerror(done_ccb, CAM_RETRY_SELTO,
3331                                         SF_RETRY_UA|SF_NO_PRINT);
3332                         if (error == ERESTART)
3333                                 return;
3334                         else if (error != 0) {
3335                                 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
3336                                         /* Don't wedge this device's queue */
3337                                         cam_release_devq(done_ccb->ccb_h.path,
3338                                                          /*relsim_flags*/0,
3339                                                          /*reduction*/0,
3340                                                          /*timeout*/0,
3341                                                          /*getcount_only*/0);
3342                                 }
3343
3344                                 /*
3345                                  * Failure indicates we don't support any SBC-3
3346                                  * delete methods with UNMAP
3347                                  */
3348                         }
3349                 }
3350
3351                 free(lbp, M_SCSIDA);
3352                 xpt_release_ccb(done_ccb);
3353                 softc->state = DA_STATE_PROBE_BLK_LIMITS;
3354                 xpt_schedule(periph, priority);
3355                 return;
3356         }
3357         case DA_CCB_PROBE_BLK_LIMITS:
3358         {
3359                 struct scsi_vpd_block_limits *block_limits;
3360
3361                 block_limits = (struct scsi_vpd_block_limits *)csio->data_ptr;
3362
3363                 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
3364                         uint32_t max_txfer_len = scsi_4btoul(
3365                                 block_limits->max_txfer_len);
3366                         uint32_t max_unmap_lba_cnt = scsi_4btoul(
3367                                 block_limits->max_unmap_lba_cnt);
3368                         uint32_t max_unmap_blk_cnt = scsi_4btoul(
3369                                 block_limits->max_unmap_blk_cnt);
3370                         uint64_t ws_max_blks = scsi_8btou64(
3371                                 block_limits->max_write_same_length);
3372
3373                         if (max_txfer_len != 0) {
3374                                 softc->disk->d_maxsize = MIN(softc->maxio,
3375                                     (off_t)max_txfer_len * softc->params.secsize);
3376                         }
3377
3378                         /*
3379                          * We should already support UNMAP but we check lba
3380                          * and block count to be sure
3381                          */
3382                         if (max_unmap_lba_cnt != 0x00L &&
3383                             max_unmap_blk_cnt != 0x00L) {
3384                                 softc->unmap_max_lba = max_unmap_lba_cnt;
3385                                 softc->unmap_max_ranges = min(max_unmap_blk_cnt,
3386                                         UNMAP_MAX_RANGES);
3387                         } else {
3388                                 /*
3389                                  * Unexpected UNMAP limits which means the
3390                                  * device doesn't actually support UNMAP
3391                                  */
3392                                 dadeleteflag(softc, DA_DELETE_UNMAP, 0);
3393                         }
3394
3395                         if (ws_max_blks != 0x00L)
3396                                 softc->ws_max_blks = ws_max_blks;
3397                 } else {
3398                         int error;
3399                         error = daerror(done_ccb, CAM_RETRY_SELTO,
3400                                         SF_RETRY_UA|SF_NO_PRINT);
3401                         if (error == ERESTART)
3402                                 return;
3403                         else if (error != 0) {
3404                                 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
3405                                         /* Don't wedge this device's queue */
3406                                         cam_release_devq(done_ccb->ccb_h.path,
3407                                                          /*relsim_flags*/0,
3408                                                          /*reduction*/0,
3409                                                          /*timeout*/0,
3410                                                          /*getcount_only*/0);
3411                                 }
3412
3413                                 /*
3414                                  * Failure here doesn't mean UNMAP is not
3415                                  * supported as this is an optional page.
3416                                  */
3417                                 softc->unmap_max_lba = 1;
3418                                 softc->unmap_max_ranges = 1;
3419                         }
3420                 }
3421
3422                 free(block_limits, M_SCSIDA);
3423                 xpt_release_ccb(done_ccb);
3424                 softc->state = DA_STATE_PROBE_BDC;
3425                 xpt_schedule(periph, priority);
3426                 return;
3427         }
3428         case DA_CCB_PROBE_BDC:
3429         {
3430                 struct scsi_vpd_block_characteristics *bdc;
3431
3432                 bdc = (struct scsi_vpd_block_characteristics *)csio->data_ptr;
3433
3434                 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
3435                         /*
3436                          * Disable queue sorting for non-rotational media
3437                          * by default.
3438                          */
3439                         u_int16_t old_rate = softc->disk->d_rotation_rate;
3440
3441                         softc->disk->d_rotation_rate =
3442                                 scsi_2btoul(bdc->medium_rotation_rate);
3443                         if (softc->disk->d_rotation_rate ==
3444                             SVPD_BDC_RATE_NON_ROTATING) {
3445                                 softc->sort_io_queue = 0;
3446                         }
3447                         if (softc->disk->d_rotation_rate != old_rate) {
3448                                 disk_attr_changed(softc->disk,
3449                                     "GEOM::rotation_rate", M_NOWAIT);
3450                         }
3451                 } else {
3452                         int error;
3453                         error = daerror(done_ccb, CAM_RETRY_SELTO,
3454                                         SF_RETRY_UA|SF_NO_PRINT);
3455                         if (error == ERESTART)
3456                                 return;
3457                         else if (error != 0) {
3458                                 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
3459                                         /* Don't wedge this device's queue */
3460                                         cam_release_devq(done_ccb->ccb_h.path,
3461                                                          /*relsim_flags*/0,
3462                                                          /*reduction*/0,
3463                                                          /*timeout*/0,
3464                                                          /*getcount_only*/0);
3465                                 }
3466                         }
3467                 }
3468
3469                 free(bdc, M_SCSIDA);
3470                 xpt_release_ccb(done_ccb);
3471                 softc->state = DA_STATE_PROBE_ATA;
3472                 xpt_schedule(periph, priority);
3473                 return;
3474         }
3475         case DA_CCB_PROBE_ATA:
3476         {
3477                 int i;
3478                 struct ata_params *ata_params;
3479                 int16_t *ptr;
3480
3481                 ata_params = (struct ata_params *)csio->data_ptr;
3482                 ptr = (uint16_t *)ata_params;
3483
3484                 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
3485                         uint16_t old_rate;
3486
3487                         for (i = 0; i < sizeof(*ata_params) / 2; i++)
3488                                 ptr[i] = le16toh(ptr[i]);
3489                         if (ata_params->support_dsm & ATA_SUPPORT_DSM_TRIM &&
3490                             (softc->quirks & DA_Q_NO_UNMAP) == 0) {
3491                                 dadeleteflag(softc, DA_DELETE_ATA_TRIM, 1);
3492                                 if (ata_params->max_dsm_blocks != 0)
3493                                         softc->trim_max_ranges = min(
3494                                           softc->trim_max_ranges,
3495                                           ata_params->max_dsm_blocks *
3496                                           ATA_DSM_BLK_RANGES);
3497                         }
3498                         /*
3499                          * Disable queue sorting for non-rotational media
3500                          * by default.
3501                          */
3502                         old_rate = softc->disk->d_rotation_rate;
3503                         softc->disk->d_rotation_rate =
3504                             ata_params->media_rotation_rate;
3505                         if (softc->disk->d_rotation_rate ==
3506                             ATA_RATE_NON_ROTATING) {
3507                                 softc->sort_io_queue = 0;
3508                         }
3509
3510                         if (softc->disk->d_rotation_rate != old_rate) {
3511                                 disk_attr_changed(softc->disk,
3512                                     "GEOM::rotation_rate", M_NOWAIT);
3513                         }
3514                 } else {
3515                         int error;
3516                         error = daerror(done_ccb, CAM_RETRY_SELTO,
3517                                         SF_RETRY_UA|SF_NO_PRINT);
3518                         if (error == ERESTART)
3519                                 return;
3520                         else if (error != 0) {
3521                                 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
3522                                         /* Don't wedge this device's queue */
3523                                         cam_release_devq(done_ccb->ccb_h.path,
3524                                                          /*relsim_flags*/0,
3525                                                          /*reduction*/0,
3526                                                          /*timeout*/0,
3527                                                          /*getcount_only*/0);
3528                                 }
3529                         }
3530                 }
3531
3532                 free(ata_params, M_SCSIDA);
3533                 daprobedone(periph, done_ccb);
3534                 return;
3535         }
3536         case DA_CCB_DUMP:
3537                 /* No-op.  We're polling */
3538                 return;
3539         case DA_CCB_TUR:
3540         {
3541                 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
3542
3543                         if (daerror(done_ccb, CAM_RETRY_SELTO,
3544                             SF_RETRY_UA | SF_NO_RECOVERY | SF_NO_PRINT) ==
3545                             ERESTART)
3546                                 return;
3547                         if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
3548                                 cam_release_devq(done_ccb->ccb_h.path,
3549                                                  /*relsim_flags*/0,
3550                                                  /*reduction*/0,
3551                                                  /*timeout*/0,
3552                                                  /*getcount_only*/0);
3553                 }
3554                 xpt_release_ccb(done_ccb);
3555                 cam_periph_release_locked(periph);
3556                 return;
3557         }
3558         default:
3559                 break;
3560         }
3561         xpt_release_ccb(done_ccb);
3562 }
3563
3564 static void
3565 dareprobe(struct cam_periph *periph)
3566 {
3567         struct da_softc   *softc;
3568         cam_status status;
3569
3570         softc = (struct da_softc *)periph->softc;
3571
3572         /* Probe in progress; don't interfere. */
3573         if (softc->state != DA_STATE_NORMAL)
3574                 return;
3575
3576         status = cam_periph_acquire(periph);
3577         KASSERT(status == CAM_REQ_CMP,
3578             ("dareprobe: cam_periph_acquire failed"));
3579
3580         if (softc->flags & DA_FLAG_CAN_RC16)
3581                 softc->state = DA_STATE_PROBE_RC16;
3582         else
3583                 softc->state = DA_STATE_PROBE_RC;
3584
3585         xpt_schedule(periph, CAM_PRIORITY_DEV);
3586 }
3587
3588 static int
3589 daerror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags)
3590 {
3591         struct da_softc   *softc;
3592         struct cam_periph *periph;
3593         int error, error_code, sense_key, asc, ascq;
3594
3595         periph = xpt_path_periph(ccb->ccb_h.path);
3596         softc = (struct da_softc *)periph->softc;
3597
3598         /*
3599          * Automatically detect devices that do not support
3600          * READ(6)/WRITE(6) and upgrade to using 10 byte cdbs.
3601          */
3602         error = 0;
3603         if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INVALID) {
3604                 error = cmd6workaround(ccb);
3605         } else if (scsi_extract_sense_ccb(ccb,
3606             &error_code, &sense_key, &asc, &ascq)) {
3607                 if (sense_key == SSD_KEY_ILLEGAL_REQUEST)
3608                         error = cmd6workaround(ccb);
3609                 /*
3610                  * If the target replied with CAPACITY DATA HAS CHANGED UA,
3611                  * query the capacity and notify upper layers.
3612                  */
3613                 else if (sense_key == SSD_KEY_UNIT_ATTENTION &&
3614                     asc == 0x2A && ascq == 0x09) {
3615                         xpt_print(periph->path, "Capacity data has changed\n");
3616                         softc->flags &= ~DA_FLAG_PROBED;
3617                         dareprobe(periph);
3618                         sense_flags |= SF_NO_PRINT;
3619                 } else if (sense_key == SSD_KEY_UNIT_ATTENTION &&
3620                     asc == 0x28 && ascq == 0x00) {
3621                         softc->flags &= ~DA_FLAG_PROBED;
3622                         disk_media_changed(softc->disk, M_NOWAIT);
3623                 } else if (sense_key == SSD_KEY_UNIT_ATTENTION &&
3624                     asc == 0x3F && ascq == 0x03) {
3625                         xpt_print(periph->path, "INQUIRY 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_NOT_READY &&
3630                     asc == 0x3a && (softc->flags & DA_FLAG_PACK_INVALID) == 0) {
3631                         softc->flags |= DA_FLAG_PACK_INVALID;
3632                         disk_media_gone(softc->disk, M_NOWAIT);
3633                 }
3634         }
3635         if (error == ERESTART)
3636                 return (ERESTART);
3637
3638         /*
3639          * XXX
3640          * Until we have a better way of doing pack validation,
3641          * don't treat UAs as errors.
3642          */
3643         sense_flags |= SF_RETRY_UA;
3644
3645         if (softc->quirks & DA_Q_RETRY_BUSY)
3646                 sense_flags |= SF_RETRY_BUSY;
3647         return(cam_periph_error(ccb, cam_flags, sense_flags,
3648                                 &softc->saved_ccb));
3649 }
3650
3651 static void
3652 damediapoll(void *arg)
3653 {
3654         struct cam_periph *periph = arg;
3655         struct da_softc *softc = periph->softc;
3656
3657         if (!softc->tur && LIST_EMPTY(&softc->pending_ccbs)) {
3658                 if (cam_periph_acquire(periph) == CAM_REQ_CMP) {
3659                         softc->tur = 1;
3660                         daschedule(periph);
3661                 }
3662         }
3663         /* Queue us up again */
3664         if (da_poll_period != 0)
3665                 callout_schedule(&softc->mediapoll_c, da_poll_period * hz);
3666 }
3667
3668 static void
3669 daprevent(struct cam_periph *periph, int action)
3670 {
3671         struct  da_softc *softc;
3672         union   ccb *ccb;
3673         int     error;
3674
3675         softc = (struct da_softc *)periph->softc;
3676
3677         if (((action == PR_ALLOW)
3678           && (softc->flags & DA_FLAG_PACK_LOCKED) == 0)
3679          || ((action == PR_PREVENT)
3680           && (softc->flags & DA_FLAG_PACK_LOCKED) != 0)) {
3681                 return;
3682         }
3683
3684         ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
3685
3686         scsi_prevent(&ccb->csio,
3687                      /*retries*/1,
3688                      /*cbcfp*/dadone,
3689                      MSG_SIMPLE_Q_TAG,
3690                      action,
3691                      SSD_FULL_SIZE,
3692                      5000);
3693
3694         error = cam_periph_runccb(ccb, daerror, CAM_RETRY_SELTO,
3695             SF_RETRY_UA | SF_NO_PRINT, softc->disk->d_devstat);
3696
3697         if (error == 0) {
3698                 if (action == PR_ALLOW)
3699                         softc->flags &= ~DA_FLAG_PACK_LOCKED;
3700                 else
3701                         softc->flags |= DA_FLAG_PACK_LOCKED;
3702         }
3703
3704         xpt_release_ccb(ccb);
3705 }
3706
3707 static void
3708 dasetgeom(struct cam_periph *periph, uint32_t block_len, uint64_t maxsector,
3709           struct scsi_read_capacity_data_long *rcaplong, size_t rcap_len)
3710 {
3711         struct ccb_calc_geometry ccg;
3712         struct da_softc *softc;
3713         struct disk_params *dp;
3714         u_int lbppbe, lalba;
3715         int error;
3716
3717         softc = (struct da_softc *)periph->softc;
3718
3719         dp = &softc->params;
3720         dp->secsize = block_len;
3721         dp->sectors = maxsector + 1;
3722         if (rcaplong != NULL) {
3723                 lbppbe = rcaplong->prot_lbppbe & SRC16_LBPPBE;
3724                 lalba = scsi_2btoul(rcaplong->lalba_lbp);
3725                 lalba &= SRC16_LALBA_A;
3726         } else {
3727                 lbppbe = 0;
3728                 lalba = 0;
3729         }
3730
3731         if (lbppbe > 0) {
3732                 dp->stripesize = block_len << lbppbe;
3733                 dp->stripeoffset = (dp->stripesize - block_len * lalba) %
3734                     dp->stripesize;
3735         } else if (softc->quirks & DA_Q_4K) {
3736                 dp->stripesize = 4096;
3737                 dp->stripeoffset = 0;
3738         } else {
3739                 dp->stripesize = 0;
3740                 dp->stripeoffset = 0;
3741         }
3742         /*
3743          * Have the controller provide us with a geometry
3744          * for this disk.  The only time the geometry
3745          * matters is when we boot and the controller
3746          * is the only one knowledgeable enough to come
3747          * up with something that will make this a bootable
3748          * device.
3749          */
3750         xpt_setup_ccb(&ccg.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
3751         ccg.ccb_h.func_code = XPT_CALC_GEOMETRY;
3752         ccg.block_size = dp->secsize;
3753         ccg.volume_size = dp->sectors;
3754         ccg.heads = 0;
3755         ccg.secs_per_track = 0;
3756         ccg.cylinders = 0;
3757         xpt_action((union ccb*)&ccg);
3758         if ((ccg.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
3759                 /*
3760                  * We don't know what went wrong here- but just pick
3761                  * a geometry so we don't have nasty things like divide
3762                  * by zero.
3763                  */
3764                 dp->heads = 255;
3765                 dp->secs_per_track = 255;
3766                 dp->cylinders = dp->sectors / (255 * 255);
3767                 if (dp->cylinders == 0) {
3768                         dp->cylinders = 1;
3769                 }
3770         } else {
3771                 dp->heads = ccg.heads;
3772                 dp->secs_per_track = ccg.secs_per_track;
3773                 dp->cylinders = ccg.cylinders;
3774         }
3775
3776         /*
3777          * If the user supplied a read capacity buffer, and if it is
3778          * different than the previous buffer, update the data in the EDT.
3779          * If it's the same, we don't bother.  This avoids sending an
3780          * update every time someone opens this device.
3781          */
3782         if ((rcaplong != NULL)
3783          && (bcmp(rcaplong, &softc->rcaplong,
3784                   min(sizeof(softc->rcaplong), rcap_len)) != 0)) {
3785                 struct ccb_dev_advinfo cdai;
3786
3787                 xpt_setup_ccb(&cdai.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
3788                 cdai.ccb_h.func_code = XPT_DEV_ADVINFO;
3789                 cdai.buftype = CDAI_TYPE_RCAPLONG;
3790                 cdai.flags |= CDAI_FLAG_STORE;
3791                 cdai.bufsiz = rcap_len;
3792                 cdai.buf = (uint8_t *)rcaplong;
3793                 xpt_action((union ccb *)&cdai);
3794                 if ((cdai.ccb_h.status & CAM_DEV_QFRZN) != 0)
3795                         cam_release_devq(cdai.ccb_h.path, 0, 0, 0, FALSE);
3796                 if (cdai.ccb_h.status != CAM_REQ_CMP) {
3797                         xpt_print(periph->path, "%s: failed to set read "
3798                                   "capacity advinfo\n", __func__);
3799                         /* Use cam_error_print() to decode the status */
3800                         cam_error_print((union ccb *)&cdai, CAM_ESF_CAM_STATUS,
3801                                         CAM_EPF_ALL);
3802                 } else {
3803                         bcopy(rcaplong, &softc->rcaplong,
3804                               min(sizeof(softc->rcaplong), rcap_len));
3805                 }
3806         }
3807
3808         softc->disk->d_sectorsize = softc->params.secsize;
3809         softc->disk->d_mediasize = softc->params.secsize * (off_t)softc->params.sectors;
3810         softc->disk->d_stripesize = softc->params.stripesize;
3811         softc->disk->d_stripeoffset = softc->params.stripeoffset;
3812         /* XXX: these are not actually "firmware" values, so they may be wrong */
3813         softc->disk->d_fwsectors = softc->params.secs_per_track;
3814         softc->disk->d_fwheads = softc->params.heads;
3815         softc->disk->d_devstat->block_size = softc->params.secsize;
3816         softc->disk->d_devstat->flags &= ~DEVSTAT_BS_UNAVAILABLE;
3817
3818         error = disk_resize(softc->disk, M_NOWAIT);
3819         if (error != 0)
3820                 xpt_print(periph->path, "disk_resize(9) failed, error = %d\n", error);
3821 }
3822
3823 static void
3824 dasendorderedtag(void *arg)
3825 {
3826         struct da_softc *softc = arg;
3827
3828         if (da_send_ordered) {
3829                 if (!LIST_EMPTY(&softc->pending_ccbs)) {
3830                         if ((softc->flags & DA_FLAG_WAS_OTAG) == 0)
3831                                 softc->flags |= DA_FLAG_NEED_OTAG;
3832                         softc->flags &= ~DA_FLAG_WAS_OTAG;
3833                 }
3834         }
3835         /* Queue us up again */
3836         callout_reset(&softc->sendordered_c,
3837             (da_default_timeout * hz) / DA_ORDEREDTAG_INTERVAL,
3838             dasendorderedtag, softc);
3839 }
3840
3841 /*
3842  * Step through all DA peripheral drivers, and if the device is still open,
3843  * sync the disk cache to physical media.
3844  */
3845 static void
3846 dashutdown(void * arg, int howto)
3847 {
3848         struct cam_periph *periph;
3849         struct da_softc *softc;
3850         union ccb *ccb;
3851         int error;
3852
3853         CAM_PERIPH_FOREACH(periph, &dadriver) {
3854                 softc = (struct da_softc *)periph->softc;
3855                 if (SCHEDULER_STOPPED()) {
3856                         /* If we paniced with the lock held, do not recurse. */
3857                         if (!cam_periph_owned(periph) &&
3858                             (softc->flags & DA_FLAG_OPEN)) {
3859                                 dadump(softc->disk, NULL, 0, 0, 0);
3860                         }
3861                         continue;
3862                 }
3863                 cam_periph_lock(periph);
3864
3865                 /*
3866                  * We only sync the cache if the drive is still open, and
3867                  * if the drive is capable of it..
3868                  */
3869                 if (((softc->flags & DA_FLAG_OPEN) == 0)
3870                  || (softc->quirks & DA_Q_NO_SYNC_CACHE)) {
3871                         cam_periph_unlock(periph);
3872                         continue;
3873                 }
3874
3875                 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
3876                 scsi_synchronize_cache(&ccb->csio,
3877                                        /*retries*/0,
3878                                        /*cbfcnp*/dadone,
3879                                        MSG_SIMPLE_Q_TAG,
3880                                        /*begin_lba*/0, /* whole disk */
3881                                        /*lb_count*/0,
3882                                        SSD_FULL_SIZE,
3883                                        60 * 60 * 1000);
3884
3885                 error = cam_periph_runccb(ccb, daerror, /*cam_flags*/0,
3886                     /*sense_flags*/ SF_NO_RECOVERY | SF_NO_RETRY | SF_QUIET_IR,
3887                     softc->disk->d_devstat);
3888                 if (error != 0)
3889                         xpt_print(periph->path, "Synchronize cache failed\n");
3890                 xpt_release_ccb(ccb);
3891                 cam_periph_unlock(periph);
3892         }
3893 }
3894
3895 #else /* !_KERNEL */
3896
3897 /*
3898  * XXX These are only left out of the kernel build to silence warnings.  If,
3899  * for some reason these functions are used in the kernel, the ifdefs should
3900  * be moved so they are included both in the kernel and userland.
3901  */
3902 void
3903 scsi_format_unit(struct ccb_scsiio *csio, u_int32_t retries,
3904                  void (*cbfcnp)(struct cam_periph *, union ccb *),
3905                  u_int8_t tag_action, u_int8_t byte2, u_int16_t ileave,
3906                  u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len,
3907                  u_int32_t timeout)
3908 {
3909         struct scsi_format_unit *scsi_cmd;
3910
3911         scsi_cmd = (struct scsi_format_unit *)&csio->cdb_io.cdb_bytes;
3912         scsi_cmd->opcode = FORMAT_UNIT;
3913         scsi_cmd->byte2 = byte2;
3914         scsi_ulto2b(ileave, scsi_cmd->interleave);
3915
3916         cam_fill_csio(csio,
3917                       retries,
3918                       cbfcnp,
3919                       /*flags*/ (dxfer_len > 0) ? CAM_DIR_OUT : CAM_DIR_NONE,
3920                       tag_action,
3921                       data_ptr,
3922                       dxfer_len,
3923                       sense_len,
3924                       sizeof(*scsi_cmd),
3925                       timeout);
3926 }
3927
3928 void
3929 scsi_read_defects(struct ccb_scsiio *csio, uint32_t retries,
3930                   void (*cbfcnp)(struct cam_periph *, union ccb *),
3931                   uint8_t tag_action, uint8_t list_format,
3932                   uint32_t addr_desc_index, uint8_t *data_ptr,
3933                   uint32_t dxfer_len, int minimum_cmd_size,
3934                   uint8_t sense_len, uint32_t timeout)
3935 {
3936         uint8_t cdb_len;
3937
3938         /*
3939          * These conditions allow using the 10 byte command.  Otherwise we
3940          * need to use the 12 byte command.
3941          */
3942         if ((minimum_cmd_size <= 10)
3943          && (addr_desc_index == 0)
3944          && (dxfer_len <= SRDD10_MAX_LENGTH)) {
3945                 struct scsi_read_defect_data_10 *cdb10;
3946
3947                 cdb10 = (struct scsi_read_defect_data_10 *)
3948                         &csio->cdb_io.cdb_bytes;
3949
3950                 cdb_len = sizeof(*cdb10);
3951                 bzero(cdb10, cdb_len);
3952                 cdb10->opcode = READ_DEFECT_DATA_10;
3953                 cdb10->format = list_format;
3954                 scsi_ulto2b(dxfer_len, cdb10->alloc_length);
3955         } else {
3956                 struct scsi_read_defect_data_12 *cdb12;
3957
3958                 cdb12 = (struct scsi_read_defect_data_12 *)
3959                         &csio->cdb_io.cdb_bytes;
3960
3961                 cdb_len = sizeof(*cdb12);
3962                 bzero(cdb12, cdb_len);
3963                 cdb12->opcode = READ_DEFECT_DATA_12;
3964                 cdb12->format = list_format;
3965                 scsi_ulto4b(dxfer_len, cdb12->alloc_length);
3966                 scsi_ulto4b(addr_desc_index, cdb12->address_descriptor_index);
3967         }
3968
3969         cam_fill_csio(csio,
3970                       retries,
3971                       cbfcnp,
3972                       /*flags*/ CAM_DIR_IN,
3973                       tag_action,
3974                       data_ptr,
3975                       dxfer_len,
3976                       sense_len,
3977                       cdb_len,
3978                       timeout);
3979 }
3980
3981 void
3982 scsi_sanitize(struct ccb_scsiio *csio, u_int32_t retries,
3983               void (*cbfcnp)(struct cam_periph *, union ccb *),
3984               u_int8_t tag_action, u_int8_t byte2, u_int16_t control,
3985               u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len,
3986               u_int32_t timeout)
3987 {
3988         struct scsi_sanitize *scsi_cmd;
3989
3990         scsi_cmd = (struct scsi_sanitize *)&csio->cdb_io.cdb_bytes;
3991         scsi_cmd->opcode = SANITIZE;
3992         scsi_cmd->byte2 = byte2;
3993         scsi_cmd->control = control;
3994         scsi_ulto2b(dxfer_len, scsi_cmd->length);
3995
3996         cam_fill_csio(csio,
3997                       retries,
3998                       cbfcnp,
3999                       /*flags*/ (dxfer_len > 0) ? CAM_DIR_OUT : CAM_DIR_NONE,
4000                       tag_action,
4001                       data_ptr,
4002                       dxfer_len,
4003                       sense_len,
4004                       sizeof(*scsi_cmd),
4005                       timeout);
4006 }
4007
4008 #endif /* _KERNEL */