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_flags;
  95
  96 typedef enum {
  97         DA_Q_NONE               = 0x00,
  98         DA_Q_NO_SYNC_CACHE      = 0x01,
  99         DA_Q_NO_6_BYTE          = 0x02,
 100         DA_Q_NO_PREVENT         = 0x04,
 101         DA_Q_4K                 = 0x08,
 102         DA_Q_NO_RC16            = 0x10
 103 } da_quirks;
 104
 105 #define DA_Q_BIT_STRING         \
 106         "\020"                  \
 107         "\001NO_SYNC_CACHE"     \
 108         "\002NO_6_BYTE"         \
 109         "\003NO_PREVENT"        \
 110         "\0044K"                \
 111         "\005NO_RC16"
 112
 113 typedef enum {
 114         DA_CCB_PROBE_RC         = 0x01,
 115         DA_CCB_PROBE_RC16       = 0x02,
 116         DA_CCB_PROBE_LBP        = 0x03,
 117         DA_CCB_PROBE_BLK_LIMITS = 0x04,
 118         DA_CCB_PROBE_BDC        = 0x05,
 119         DA_CCB_PROBE_ATA        = 0x06,
 120         DA_CCB_BUFFER_IO        = 0x07,
 121         DA_CCB_DUMP             = 0x0A,
 122         DA_CCB_DELETE           = 0x0B,
 123         DA_CCB_TUR              = 0x0C,
 124         DA_CCB_TYPE_MASK        = 0x0F,
 125         DA_CCB_RETRY_UA         = 0x10
 126 } da_ccb_state;
 127
 128 /*
 129  * Order here is important for method choice
 130  *
 131  * We prefer ATA_TRIM as tests run against a Sandforce 2281 SSD attached to
 132  * LSI 2008 (mps) controller (FW: v12, Drv: v14) resulted 20% quicker deletes
 133  * using ATA_TRIM than the corresponding UNMAP results for a real world mysql
 134  * import taking 5mins.
 135  *
 136  */
 137 typedef enum {
 138         DA_DELETE_NONE,
 139         DA_DELETE_DISABLE,
 140         DA_DELETE_ATA_TRIM,
 141         DA_DELETE_UNMAP,
 142         DA_DELETE_WS16,
 143         DA_DELETE_WS10,
 144         DA_DELETE_ZERO,
 145         DA_DELETE_MIN = DA_DELETE_ATA_TRIM,
 146         DA_DELETE_MAX = DA_DELETE_ZERO
 147 } da_delete_methods;
 148
 149 typedef void da_delete_func_t (struct cam_periph *periph, union ccb *ccb,
 150                               struct bio *bp);
 151 static da_delete_func_t da_delete_trim;
 152 static da_delete_func_t da_delete_unmap;
 153 static da_delete_func_t da_delete_ws;
 154
 155 static const void * da_delete_functions[] = {
 156         NULL,
 157         NULL,
 158         da_delete_trim,
 159         da_delete_unmap,
 160         da_delete_ws,
 161         da_delete_ws,
 162         da_delete_ws
 163 };
 164
 165 static const char *da_delete_method_names[] =
 166     { "NONE", "DISABLE", "ATA_TRIM", "UNMAP", "WS16", "WS10", "ZERO" };
 167 static const char *da_delete_method_desc[] =
 168     { "NONE", "DISABLED", "ATA TRIM", "UNMAP", "WRITE SAME(16) with UNMAP",
 169       "WRITE SAME(10) with UNMAP", "ZERO" };
 170
 171 /* Offsets into our private area for storing information */
 172 #define ccb_state       ppriv_field0
 173 #define ccb_bp          ppriv_ptr1
 174
 175 struct disk_params {
 176         u_int8_t  heads;
 177         u_int32_t cylinders;
 178         u_int8_t  secs_per_track;
 179         u_int32_t secsize;      /* Number of bytes/sector */
 180         u_int64_t sectors;      /* total number sectors */
 181         u_int     stripesize;
 182         u_int     stripeoffset;
 183 };
 184
 185 #define UNMAP_RANGE_MAX         0xffffffff
 186 #define UNMAP_HEAD_SIZE         8
 187 #define UNMAP_RANGE_SIZE        16
 188 #define UNMAP_MAX_RANGES        2048 /* Protocol Max is 4095 */
 189 #define UNMAP_BUF_SIZE          ((UNMAP_MAX_RANGES * UNMAP_RANGE_SIZE) + \
 190                                 UNMAP_HEAD_SIZE)
 191
 192 #define WS10_MAX_BLKS           0xffff
 193 #define WS16_MAX_BLKS           0xffffffff
 194 #define ATA_TRIM_MAX_RANGES     ((UNMAP_BUF_SIZE / \
 195         (ATA_DSM_RANGE_SIZE * ATA_DSM_BLK_SIZE)) * ATA_DSM_BLK_SIZE)
 196
 197 struct da_softc {
 198         struct   bio_queue_head bio_queue;
 199         struct   bio_queue_head delete_queue;
 200         struct   bio_queue_head delete_run_queue;
 201         LIST_HEAD(, ccb_hdr) pending_ccbs;
 202         int      tur;                   /* TEST UNIT READY should be sent */
 203         int      refcount;              /* Active xpt_action() calls */
 204         da_state state;
 205         da_flags flags;
 206         da_quirks quirks;
 207         int      sort_io_queue;
 208         int      minimum_cmd_size;
 209         int      error_inject;
 210         int      trim_max_ranges;
 211         int      delete_running;
 212         int      delete_available;      /* Delete methods possibly available */
 213         uint32_t                unmap_max_ranges;
 214         uint32_t                unmap_max_lba; /* Max LBAs in UNMAP req */
 215         uint64_t                ws_max_blks;
 216         da_delete_methods       delete_method;
 217         da_delete_func_t        *delete_func;
 218         struct   disk_params params;
 219         struct   disk *disk;
 220         union    ccb saved_ccb;
 221         struct task             sysctl_task;
 222         struct sysctl_ctx_list  sysctl_ctx;
 223         struct sysctl_oid       *sysctl_tree;
 224         struct callout          sendordered_c;
 225         uint64_t wwpn;
 226         uint8_t  unmap_buf[UNMAP_BUF_SIZE];
 227         struct scsi_read_capacity_data_long rcaplong;
 228         struct callout          mediapoll_c;
 229 };
 230
 231 #define dadeleteflag(softc, delete_method, enable)                      \
 232         if (enable) {                                                   \
 233                 softc->delete_available |= (1 << delete_method);        \
 234         } else {                                                        \
 235                 softc->delete_available &= ~(1 << delete_method);       \
 236         }
 237
 238 struct da_quirk_entry {
 239         struct scsi_inquiry_pattern inq_pat;
 240         da_quirks quirks;
 241 };
 242
 243 static const char quantum[] = "QUANTUM";
 244 static const char microp[] = "MICROP";
 245
 246 static struct da_quirk_entry da_quirk_table[] =
 247 {
 248         /* SPI, FC devices */
 249         {
 250                 /*
 251                  * Fujitsu M2513A MO drives.
 252                  * Tested devices: M2513A2 firmware versions 1200 & 1300.
 253                  * (dip switch selects whether T_DIRECT or T_OPTICAL device)
 254                  * Reported by: W.Scholten <whs@xs4all.nl>
 255                  */
 256                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "FUJITSU", "M2513A", "*"},
 257                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 258         },
 259         {
 260                 /* See above. */
 261                 {T_OPTICAL, SIP_MEDIA_REMOVABLE, "FUJITSU", "M2513A", "*"},
 262                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 263         },
 264         {
 265                 /*
 266                  * This particular Fujitsu drive doesn't like the
 267                  * synchronize cache command.
 268                  * Reported by: Tom Jackson <toj@gorilla.net>
 269                  */
 270                 {T_DIRECT, SIP_MEDIA_FIXED, "FUJITSU", "M2954*", "*"},
 271                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 272         },
 273         {
 274                 /*
 275                  * This drive doesn't like the synchronize cache command
 276                  * either.  Reported by: Matthew Jacob <mjacob@feral.com>
 277                  * in NetBSD PR kern/6027, August 24, 1998.
 278                  */
 279                 {T_DIRECT, SIP_MEDIA_FIXED, microp, "2217*", "*"},
 280                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 281         },
 282         {
 283                 /*
 284                  * This drive doesn't like the synchronize cache command
 285                  * either.  Reported by: Hellmuth Michaelis (hm@kts.org)
 286                  * (PR 8882).
 287                  */
 288                 {T_DIRECT, SIP_MEDIA_FIXED, microp, "2112*", "*"},
 289                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 290         },
 291         {
 292                 /*
 293                  * Doesn't like the synchronize cache command.
 294                  * Reported by: Blaz Zupan <blaz@gold.amis.net>
 295                  */
 296                 {T_DIRECT, SIP_MEDIA_FIXED, "NEC", "D3847*", "*"},
 297                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 298         },
 299         {
 300                 /*
 301                  * Doesn't like the synchronize cache command.
 302                  * Reported by: Blaz Zupan <blaz@gold.amis.net>
 303                  */
 304                 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "MAVERICK 540S", "*"},
 305                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 306         },
 307         {
 308                 /*
 309                  * Doesn't like the synchronize cache command.
 310                  */
 311                 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "LPS525S", "*"},
 312                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 313         },
 314         {
 315                 /*
 316                  * Doesn't like the synchronize cache command.
 317                  * Reported by: walter@pelissero.de
 318                  */
 319                 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "LPS540S", "*"},
 320                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 321         },
 322         {
 323                 /*
 324                  * Doesn't work correctly with 6 byte reads/writes.
 325                  * Returns illegal request, and points to byte 9 of the
 326                  * 6-byte CDB.
 327                  * Reported by:  Adam McDougall <bsdx@spawnet.com>
 328                  */
 329                 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "VIKING 4*", "*"},
 330                 /*quirks*/ DA_Q_NO_6_BYTE
 331         },
 332         {
 333                 /* See above. */
 334                 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "VIKING 2*", "*"},
 335                 /*quirks*/ DA_Q_NO_6_BYTE
 336         },
 337         {
 338                 /*
 339                  * Doesn't like the synchronize cache command.
 340                  * Reported by: walter@pelissero.de
 341                  */
 342                 {T_DIRECT, SIP_MEDIA_FIXED, "CONNER", "CP3500*", "*"},
 343                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 344         },
 345         {
 346                 /*
 347                  * The CISS RAID controllers do not support SYNC_CACHE
 348                  */
 349                 {T_DIRECT, SIP_MEDIA_FIXED, "COMPAQ", "RAID*", "*"},
 350                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 351         },
 352         /* USB mass storage devices supported by umass(4) */
 353         {
 354                 /*
 355                  * EXATELECOM (Sigmatel) i-Bead 100/105 USB Flash MP3 Player
 356                  * PR: kern/51675
 357                  */
 358                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "EXATEL", "i-BEAD10*", "*"},
 359                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 360         },
 361         {
 362                 /*
 363                  * Power Quotient Int. (PQI) USB flash key
 364                  * PR: kern/53067
 365                  */
 366                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "USB Flash Disk*",
 367                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 368         },
 369         {
 370                 /*
 371                  * Creative Nomad MUVO mp3 player (USB)
 372                  * PR: kern/53094
 373                  */
 374                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "CREATIVE", "NOMAD_MUVO", "*"},
 375                 /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT
 376         },
 377         {
 378                 /*
 379                  * Jungsoft NEXDISK USB flash key
 380                  * PR: kern/54737
 381                  */
 382                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "JUNGSOFT", "NEXDISK*", "*"},
 383                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 384         },
 385         {
 386                 /*
 387                  * FreeDik USB Mini Data Drive
 388                  * PR: kern/54786
 389                  */
 390                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "FreeDik*", "Mini Data Drive",
 391                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 392         },
 393         {
 394                 /*
 395                  * Sigmatel USB Flash MP3 Player
 396                  * PR: kern/57046
 397                  */
 398                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "SigmaTel", "MSCN", "*"},
 399                 /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT
 400         },
 401         {
 402                 /*
 403                  * Neuros USB Digital Audio Computer
 404                  * PR: kern/63645
 405                  */
 406                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "NEUROS", "dig. audio comp.",
 407                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 408         },
 409         {
 410                 /*
 411                  * SEAGRAND NP-900 MP3 Player
 412                  * PR: kern/64563
 413                  */
 414                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "SEAGRAND", "NP-900*", "*"},
 415                 /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT
 416         },
 417         {
 418                 /*
 419                  * iRiver iFP MP3 player (with UMS Firmware)
 420                  * PR: kern/54881, i386/63941, kern/66124
 421                  */
 422                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "iRiver", "iFP*", "*"},
 423                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 424         },
 425         {
 426                 /*
 427                  * Frontier Labs NEX IA+ Digital Audio Player, rev 1.10/0.01
 428                  * PR: kern/70158
 429                  */
 430                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "FL" , "Nex*", "*"},
 431                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 432         },
 433         {
 434                 /*
 435                  * ZICPlay USB MP3 Player with FM
 436                  * PR: kern/75057
 437                  */
 438                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "ACTIONS*" , "USB DISK*", "*"},
 439                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 440         },
 441         {
 442                 /*
 443                  * TEAC USB floppy mechanisms
 444                  */
 445                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "TEAC" , "FD-05*", "*"},
 446                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 447         },
 448         {
 449                 /*
 450                  * Kingston DataTraveler II+ USB Pen-Drive.
 451                  * Reported by: Pawel Jakub Dawidek <pjd@FreeBSD.org>
 452                  */
 453                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Kingston" , "DataTraveler II+",
 454                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 455         },
 456         {
 457                 /*
 458                  * USB DISK Pro PMAP
 459                  * Reported by: jhs
 460                  * PR: usb/96381
 461                  */
 462                 {T_DIRECT, SIP_MEDIA_REMOVABLE, " ", "USB DISK Pro", "PMAP"},
 463                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 464         },
 465         {
 466                 /*
 467                  * Motorola E398 Mobile Phone (TransFlash memory card).
 468                  * Reported by: Wojciech A. Koszek <dunstan@FreeBSD.czest.pl>
 469                  * PR: usb/89889
 470                  */
 471                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Motorola" , "Motorola Phone",
 472                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 473         },
 474         {
 475                 /*
 476                  * Qware BeatZkey! Pro
 477                  * PR: usb/79164
 478                  */
 479                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "GENERIC", "USB DISK DEVICE",
 480                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 481         },
 482         {
 483                 /*
 484                  * Time DPA20B 1GB MP3 Player
 485                  * PR: usb/81846
 486                  */
 487                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "USB2.0*", "(FS) FLASH DISK*",
 488                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 489         },
 490         {
 491                 /*
 492                  * Samsung USB key 128Mb
 493                  * PR: usb/90081
 494                  */
 495                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "USB-DISK", "FreeDik-FlashUsb",
 496                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 497         },
 498         {
 499                 /*
 500                  * Kingston DataTraveler 2.0 USB Flash memory.
 501                  * PR: usb/89196
 502                  */
 503                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Kingston", "DataTraveler 2.0",
 504                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 505         },
 506         {
 507                 /*
 508                  * Creative MUVO Slim mp3 player (USB)
 509                  * PR: usb/86131
 510                  */
 511                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "CREATIVE", "MuVo Slim",
 512                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT
 513                 },
 514         {
 515                 /*
 516                  * United MP5512 Portable MP3 Player (2-in-1 USB DISK/MP3)
 517                  * PR: usb/80487
 518                  */
 519                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "MUSIC DISK",
 520                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 521         },
 522         {
 523                 /*
 524                  * SanDisk Micro Cruzer 128MB
 525                  * PR: usb/75970
 526                  */
 527                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "SanDisk" , "Micro Cruzer",
 528                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 529         },
 530         {
 531                 /*
 532                  * TOSHIBA TransMemory USB sticks
 533                  * PR: kern/94660
 534                  */
 535                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "TOSHIBA", "TransMemory",
 536                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 537         },
 538         {
 539                 /*
 540                  * PNY USB Flash keys
 541                  * PR: usb/75578, usb/72344, usb/65436
 542                  */
 543                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "*" , "USB DISK*",
 544                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 545         },
 546         {
 547                 /*
 548                  * Genesys 6-in-1 Card Reader
 549                  * PR: usb/94647
 550                  */
 551                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "STORAGE DEVICE*",
 552                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 553         },
 554         {
 555                 /*
 556                  * Rekam Digital CAMERA
 557                  * PR: usb/98713
 558                  */
 559                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "CAMERA*", "4MP-9J6*",
 560                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 561         },
 562         {
 563                 /*
 564                  * iRiver H10 MP3 player
 565                  * PR: usb/102547
 566                  */
 567                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "iriver", "H10*",
 568                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 569         },
 570         {
 571                 /*
 572                  * iRiver U10 MP3 player
 573                  * PR: usb/92306
 574                  */
 575                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "iriver", "U10*",
 576                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 577         },
 578         {
 579                 /*
 580                  * X-Micro Flash Disk
 581                  * PR: usb/96901
 582                  */
 583                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "X-Micro", "Flash Disk",
 584                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 585         },
 586         {
 587                 /*
 588                  * EasyMP3 EM732X USB 2.0 Flash MP3 Player
 589                  * PR: usb/96546
 590                  */
 591                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "EM732X", "MP3 Player*",
 592                 "1.00"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 593         },
 594         {
 595                 /*
 596                  * Denver MP3 player
 597                  * PR: usb/107101
 598                  */
 599                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "DENVER", "MP3 PLAYER",
 600                  "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 601         },
 602         {
 603                 /*
 604                  * Philips USB Key Audio KEY013
 605                  * PR: usb/68412
 606                  */
 607                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "PHILIPS", "Key*", "*"},
 608                 /*quirks*/ DA_Q_NO_SYNC_CACHE | DA_Q_NO_PREVENT
 609         },
 610         {
 611                 /*
 612                  * JNC MP3 Player
 613                  * PR: usb/94439
 614                  */
 615                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "JNC*" , "MP3 Player*",
 616                  "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 617         },
 618         {
 619                 /*
 620                  * SAMSUNG MP0402H
 621                  * PR: usb/108427
 622                  */
 623                 {T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "MP0402H", "*"},
 624                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 625         },
 626         {
 627                 /*
 628                  * I/O Magic USB flash - Giga Bank
 629                  * PR: usb/108810
 630                  */
 631                 {T_DIRECT, SIP_MEDIA_FIXED, "GS-Magic", "stor*", "*"},
 632                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 633         },
 634         {
 635                 /*
 636                  * JoyFly 128mb USB Flash Drive
 637                  * PR: 96133
 638                  */
 639                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "USB 2.0", "Flash Disk*",
 640                  "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 641         },
 642         {
 643                 /*
 644                  * ChipsBnk usb stick
 645                  * PR: 103702
 646                  */
 647                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "ChipsBnk", "USB*",
 648                  "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 649         },
 650         {
 651                 /*
 652                  * Storcase (Kingston) InfoStation IFS FC2/SATA-R 201A
 653                  * PR: 129858
 654                  */
 655                 {T_DIRECT, SIP_MEDIA_FIXED, "IFS", "FC2/SATA-R*",
 656                  "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 657         },
 658         {
 659                 /*
 660                  * Samsung YP-U3 mp3-player
 661                  * PR: 125398
 662                  */
 663                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Samsung", "YP-U3",
 664                  "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 665         },
 666         {
 667                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Netac", "OnlyDisk*",
 668                  "2000"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 669         },
 670         {
 671                 /*
 672                  * Sony Cyber-Shot DSC cameras
 673                  * PR: usb/137035
 674                  */
 675                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Sony", "Sony DSC", "*"},
 676                 /*quirks*/ DA_Q_NO_SYNC_CACHE | DA_Q_NO_PREVENT
 677         },
 678         {
 679                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Kingston", "DataTraveler G3",
 680                  "1.00"}, /*quirks*/ DA_Q_NO_PREVENT
 681         },
 682         {
 683                 /* At least several Transcent USB sticks lie on RC16. */
 684                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "JetFlash", "Transcend*",
 685                  "*"}, /*quirks*/ DA_Q_NO_RC16
 686         },
 687         /* ATA/SATA devices over SAS/USB/... */
 688         {
 689                 /* Hitachi Advanced Format (4k) drives */
 690                 { T_DIRECT, SIP_MEDIA_FIXED, "Hitachi", "H??????????E3*", "*" },
 691                 /*quirks*/DA_Q_4K
 692         },
 693         {
 694                 /* Samsung Advanced Format (4k) drives */
 695                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SAMSUNG HD155UI*", "*" },
 696                 /*quirks*/DA_Q_4K
 697         },
 698         {
 699                 /* Samsung Advanced Format (4k) drives */
 700                 { T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "HD155UI*", "*" },
 701                 /*quirks*/DA_Q_4K
 702         },
 703         {
 704                 /* Samsung Advanced Format (4k) drives */
 705                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SAMSUNG HD204UI*", "*" },
 706                 /*quirks*/DA_Q_4K
 707         },
 708         {
 709                 /* Samsung Advanced Format (4k) drives */
 710                 { T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "HD204UI*", "*" },
 711                 /*quirks*/DA_Q_4K
 712         },
 713         {
 714                 /* Seagate Barracuda Green Advanced Format (4k) drives */
 715                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST????DL*", "*" },
 716                 /*quirks*/DA_Q_4K
 717         },
 718         {
 719                 /* Seagate Barracuda Green Advanced Format (4k) drives */
 720                 { T_DIRECT, SIP_MEDIA_FIXED, "ST????DL", "*", "*" },
 721                 /*quirks*/DA_Q_4K
 722         },
 723         {
 724                 /* Seagate Barracuda Green Advanced Format (4k) drives */
 725                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST???DM*", "*" },
 726                 /*quirks*/DA_Q_4K
 727         },
 728         {
 729                 /* Seagate Barracuda Green Advanced Format (4k) drives */
 730                 { T_DIRECT, SIP_MEDIA_FIXED, "ST???DM*", "*", "*" },
 731                 /*quirks*/DA_Q_4K
 732         },
 733         {
 734                 /* Seagate Barracuda Green Advanced Format (4k) drives */
 735                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST????DM*", "*" },
 736                 /*quirks*/DA_Q_4K
 737         },
 738         {
 739                 /* Seagate Barracuda Green Advanced Format (4k) drives */
 740                 { T_DIRECT, SIP_MEDIA_FIXED, "ST????DM", "*", "*" },
 741                 /*quirks*/DA_Q_4K
 742         },
 743         {
 744                 /* Seagate Momentus Advanced Format (4k) drives */
 745                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9500423AS*", "*" },
 746                 /*quirks*/DA_Q_4K
 747         },
 748         {
 749                 /* Seagate Momentus Advanced Format (4k) drives */
 750                 { T_DIRECT, SIP_MEDIA_FIXED, "ST950042", "3AS*", "*" },
 751                 /*quirks*/DA_Q_4K
 752         },
 753         {
 754                 /* Seagate Momentus Advanced Format (4k) drives */
 755                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9500424AS*", "*" },
 756                 /*quirks*/DA_Q_4K
 757         },
 758         {
 759                 /* Seagate Momentus Advanced Format (4k) drives */
 760                 { T_DIRECT, SIP_MEDIA_FIXED, "ST950042", "4AS*", "*" },
 761                 /*quirks*/DA_Q_4K
 762         },
 763         {
 764                 /* Seagate Momentus Advanced Format (4k) drives */
 765                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9640423AS*", "*" },
 766                 /*quirks*/DA_Q_4K
 767         },
 768         {
 769                 /* Seagate Momentus Advanced Format (4k) drives */
 770                 { T_DIRECT, SIP_MEDIA_FIXED, "ST964042", "3AS*", "*" },
 771                 /*quirks*/DA_Q_4K
 772         },
 773         {
 774                 /* Seagate Momentus Advanced Format (4k) drives */
 775                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9640424AS*", "*" },
 776                 /*quirks*/DA_Q_4K
 777         },
 778         {
 779                 /* Seagate Momentus Advanced Format (4k) drives */
 780                 { T_DIRECT, SIP_MEDIA_FIXED, "ST964042", "4AS*", "*" },
 781                 /*quirks*/DA_Q_4K
 782         },
 783         {
 784                 /* Seagate Momentus Advanced Format (4k) drives */
 785                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9750420AS*", "*" },
 786                 /*quirks*/DA_Q_4K
 787         },
 788         {
 789                 /* Seagate Momentus Advanced Format (4k) drives */
 790                 { T_DIRECT, SIP_MEDIA_FIXED, "ST975042", "0AS*", "*" },
 791                 /*quirks*/DA_Q_4K
 792         },
 793         {
 794                 /* Seagate Momentus Advanced Format (4k) drives */
 795                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9750422AS*", "*" },
 796                 /*quirks*/DA_Q_4K
 797         },
 798         {
 799                 /* Seagate Momentus Advanced Format (4k) drives */
 800                 { T_DIRECT, SIP_MEDIA_FIXED, "ST975042", "2AS*", "*" },
 801                 /*quirks*/DA_Q_4K
 802         },
 803         {
 804                 /* Seagate Momentus Advanced Format (4k) drives */
 805                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9750423AS*", "*" },
 806                 /*quirks*/DA_Q_4K
 807         },
 808         {
 809                 /* Seagate Momentus Advanced Format (4k) drives */
 810                 { T_DIRECT, SIP_MEDIA_FIXED, "ST975042", "3AS*", "*" },
 811                 /*quirks*/DA_Q_4K
 812         },
 813         {
 814                 /* Seagate Momentus Thin Advanced Format (4k) drives */
 815                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST???LT*", "*" },
 816                 /*quirks*/DA_Q_4K
 817         },
 818         {
 819                 /* Seagate Momentus Thin Advanced Format (4k) drives */
 820                 { T_DIRECT, SIP_MEDIA_FIXED, "ST???LT*", "*", "*" },
 821                 /*quirks*/DA_Q_4K
 822         },
 823         {
 824                 /* WDC Caviar Green Advanced Format (4k) drives */
 825                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD????RS*", "*" },
 826                 /*quirks*/DA_Q_4K
 827         },
 828         {
 829                 /* WDC Caviar Green Advanced Format (4k) drives */
 830                 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "??RS*", "*" },
 831                 /*quirks*/DA_Q_4K
 832         },
 833         {
 834                 /* WDC Caviar Green Advanced Format (4k) drives */
 835                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD????RX*", "*" },
 836                 /*quirks*/DA_Q_4K
 837         },
 838         {
 839                 /* WDC Caviar Green Advanced Format (4k) drives */
 840                 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "??RX*", "*" },
 841                 /*quirks*/DA_Q_4K
 842         },
 843         {
 844                 /* WDC Caviar Green Advanced Format (4k) drives */
 845                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD??????RS*", "*" },
 846                 /*quirks*/DA_Q_4K
 847         },
 848         {
 849                 /* WDC Caviar Green Advanced Format (4k) drives */
 850                 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "????RS*", "*" },
 851                 /*quirks*/DA_Q_4K
 852         },
 853         {
 854                 /* WDC Caviar Green Advanced Format (4k) drives */
 855                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD??????RX*", "*" },
 856                 /*quirks*/DA_Q_4K
 857         },
 858         {
 859                 /* WDC Caviar Green Advanced Format (4k) drives */
 860                 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "????RX*", "*" },
 861                 /*quirks*/DA_Q_4K
 862         },
 863         {
 864                 /* WDC Scorpio Black Advanced Format (4k) drives */
 865                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD???PKT*", "*" },
 866                 /*quirks*/DA_Q_4K
 867         },
 868         {
 869                 /* WDC Scorpio Black Advanced Format (4k) drives */
 870                 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "?PKT*", "*" },
 871                 /*quirks*/DA_Q_4K
 872         },
 873         {
 874                 /* WDC Scorpio Black Advanced Format (4k) drives */
 875                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD?????PKT*", "*" },
 876                 /*quirks*/DA_Q_4K
 877         },
 878         {
 879                 /* WDC Scorpio Black Advanced Format (4k) drives */
 880                 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "???PKT*", "*" },
 881                 /*quirks*/DA_Q_4K
 882         },
 883         {
 884                 /* WDC Scorpio Blue Advanced Format (4k) drives */
 885                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD???PVT*", "*" },
 886                 /*quirks*/DA_Q_4K
 887         },
 888         {
 889                 /* WDC Scorpio Blue Advanced Format (4k) drives */
 890                 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "?PVT*", "*" },
 891                 /*quirks*/DA_Q_4K
 892         },
 893         {
 894                 /* WDC Scorpio Blue Advanced Format (4k) drives */
 895                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD?????PVT*", "*" },
 896                 /*quirks*/DA_Q_4K
 897         },
 898         {
 899                 /* WDC Scorpio Blue Advanced Format (4k) drives */
 900                 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "???PVT*", "*" },
 901                 /*quirks*/DA_Q_4K
 902         },
 903         {
 904                 /*
 905                  * Olympus FE-210 camera
 906                  */
 907                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "OLYMPUS", "FE210*",
 908                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 909         },
 910         {
 911                 /*
 912                  * LG UP3S MP3 player
 913                  */
 914                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "LG", "UP3S",
 915                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 916         },
 917         {
 918                 /*
 919                  * Laser MP3-2GA13 MP3 player
 920                  */
 921                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "USB 2.0", "(HS) Flash Disk",
 922                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 923         },
 924         {
 925                 /*
 926                  * LaCie external 250GB Hard drive des by Porsche
 927                  * Submitted by: Ben Stuyts <ben@altesco.nl>
 928                  * PR: 121474
 929                  */
 930                 {T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "HM250JI", "*"},
 931                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 932         },
 933         /* SATA SSDs */
 934         {
 935                 /*
 936                  * Corsair Force 2 SSDs
 937                  * 4k optimised & trim only works in 4k requests + 4k aligned
 938                  */
 939                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Corsair CSSD-F*", "*" },
 940                 /*quirks*/DA_Q_4K
 941         },
 942         {
 943                 /*
 944                  * Corsair Force 3 SSDs
 945                  * 4k optimised & trim only works in 4k requests + 4k aligned
 946                  */
 947                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Corsair Force 3*", "*" },
 948                 /*quirks*/DA_Q_4K
 949         },
 950         {
 951                 /*
 952                  * Corsair Neutron GTX SSDs
 953                  * 4k optimised & trim only works in 4k requests + 4k aligned
 954                  */
 955                 { T_DIRECT, SIP_MEDIA_FIXED, "*", "Corsair Neutron GTX*", "*" },
 956                 /*quirks*/DA_Q_4K
 957         },
 958         {
 959                 /*
 960                  * Corsair Force GT SSDs
 961                  * 4k optimised & trim only works in 4k requests + 4k aligned
 962                  */
 963                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Corsair Force GT*", "*" },
 964                 /*quirks*/DA_Q_4K
 965         },
 966         {
 967                 /*
 968                  * Crucial M4 SSDs
 969                  * 4k optimised & trim only works in 4k requests + 4k aligned
 970                  */
 971                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "M4-CT???M4SSD2*", "*" },
 972                 /*quirks*/DA_Q_4K
 973         },
 974         {
 975                 /*
 976                  * Crucial RealSSD C300 SSDs
 977                  * 4k optimised
 978                  */
 979                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "C300-CTFDDAC???MAG*",
 980                 "*" }, /*quirks*/DA_Q_4K
 981         },
 982         {
 983                 /*
 984                  * Intel 320 Series SSDs
 985                  * 4k optimised & trim only works in 4k requests + 4k aligned
 986                  */
 987                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSA2CW*", "*" },
 988                 /*quirks*/DA_Q_4K
 989         },
 990         {
 991                 /*
 992                  * Intel 330 Series SSDs
 993                  * 4k optimised & trim only works in 4k requests + 4k aligned
 994                  */
 995                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSC2CT*", "*" },
 996                 /*quirks*/DA_Q_4K
 997         },
 998         {
 999                 /*
1000                  * Intel 510 Series SSDs
1001                  * 4k optimised & trim only works in 4k requests + 4k aligned
1002                  */
1003                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSC2MH*", "*" },
1004                 /*quirks*/DA_Q_4K
1005         },
1006         {
1007                 /*
1008                  * Intel 520 Series SSDs
1009                  * 4k optimised & trim only works in 4k requests + 4k aligned
1010                  */
1011                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSC2BW*", "*" },
1012                 /*quirks*/DA_Q_4K
1013         },
1014         {
1015                 /*
1016                  * Intel X25-M Series SSDs
1017                  * 4k optimised & trim only works in 4k requests + 4k aligned
1018                  */
1019                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSA2M*", "*" },
1020                 /*quirks*/DA_Q_4K
1021         },
1022         {
1023                 /*
1024                  * Kingston E100 Series SSDs
1025                  * 4k optimised & trim only works in 4k requests + 4k aligned
1026                  */
1027                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "KINGSTON SE100S3*", "*" },
1028                 /*quirks*/DA_Q_4K
1029         },
1030         {
1031                 /*
1032                  * Kingston HyperX 3k SSDs
1033                  * 4k optimised & trim only works in 4k requests + 4k aligned
1034                  */
1035                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "KINGSTON SH103S3*", "*" },
1036                 /*quirks*/DA_Q_4K
1037         },
1038         {
1039                 /*
1040                  * Marvell SSDs (entry taken from OpenSolaris)
1041                  * 4k optimised & trim only works in 4k requests + 4k aligned
1042                  */
1043                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "MARVELL SD88SA02*", "*" },
1044                 /*quirks*/DA_Q_4K
1045         },
1046         {
1047                 /*
1048                  * OCZ Agility 2 SSDs
1049                  * 4k optimised & trim only works in 4k requests + 4k aligned
1050                  */
1051                 { T_DIRECT, SIP_MEDIA_FIXED, "*", "OCZ-AGILITY2*", "*" },
1052                 /*quirks*/DA_Q_4K
1053         },
1054         {
1055                 /*
1056                  * OCZ Agility 3 SSDs
1057                  * 4k optimised & trim only works in 4k requests + 4k aligned
1058                  */
1059                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "OCZ-AGILITY3*", "*" },
1060                 /*quirks*/DA_Q_4K
1061         },
1062         {
1063                 /*
1064                  * OCZ Deneva R Series SSDs
1065                  * 4k optimised & trim only works in 4k requests + 4k aligned
1066                  */
1067                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "DENRSTE251M45*", "*" },
1068                 /*quirks*/DA_Q_4K
1069         },
1070         {
1071                 /*
1072                  * OCZ Vertex 2 SSDs (inc pro series)
1073                  * 4k optimised & trim only works in 4k requests + 4k aligned
1074                  */
1075                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "OCZ?VERTEX2*", "*" },
1076                 /*quirks*/DA_Q_4K
1077         },
1078         {
1079                 /*
1080                  * OCZ Vertex 3 SSDs
1081                  * 4k optimised & trim only works in 4k requests + 4k aligned
1082                  */
1083                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "OCZ-VERTEX3*", "*" },
1084                 /*quirks*/DA_Q_4K
1085         },
1086         {
1087                 /*
1088                  * OCZ Vertex 4 SSDs
1089                  * 4k optimised & trim only works in 4k requests + 4k aligned
1090                  */
1091                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "OCZ-VERTEX4*", "*" },
1092                 /*quirks*/DA_Q_4K
1093         },
1094         {
1095                 /*
1096                  * Samsung 830 Series SSDs
1097                  * 4k optimised & trim only works in 4k requests + 4k aligned
1098                  */
1099                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SAMSUNG SSD 830 Series*", "*" },
1100                 /*quirks*/DA_Q_4K
1101         },
1102         {
1103                 /*
1104                  * SuperTalent TeraDrive CT SSDs
1105                  * 4k optimised & trim only works in 4k requests + 4k aligned
1106                  */
1107                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "FTM??CT25H*", "*" },
1108                 /*quirks*/DA_Q_4K
1109         },
1110         {
1111                 /*
1112                  * XceedIOPS SATA SSDs
1113                  * 4k optimised
1114                  */
1115                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SG9XCS2D*", "*" },
1116                 /*quirks*/DA_Q_4K
1117         },
1118 };
1119
1120 static  disk_strategy_t dastrategy;
1121 static  dumper_t        dadump;
1122 static  periph_init_t   dainit;
1123 static  void            daasync(void *callback_arg, u_int32_t code,
1124                                 struct cam_path *path, void *arg);
1125 static  void            dasysctlinit(void *context, int pending);
1126 static  int             dacmdsizesysctl(SYSCTL_HANDLER_ARGS);
1127 static  int             dadeletemethodsysctl(SYSCTL_HANDLER_ARGS);
1128 static  int             dadeletemaxsysctl(SYSCTL_HANDLER_ARGS);
1129 static  void            dadeletemethodset(struct da_softc *softc,
1130                                           da_delete_methods delete_method);
1131 static  off_t           dadeletemaxsize(struct da_softc *softc,
1132                                         da_delete_methods delete_method);
1133 static  void            dadeletemethodchoose(struct da_softc *softc,
1134                                              da_delete_methods default_method);
1135 static  void            daprobedone(struct cam_periph *periph, union ccb *ccb);
1136
1137 static  periph_ctor_t   daregister;
1138 static  periph_dtor_t   dacleanup;
1139 static  periph_start_t  dastart;
1140 static  periph_oninv_t  daoninvalidate;
1141 static  void            dadone(struct cam_periph *periph,
1142                                union ccb *done_ccb);
1143 static  int             daerror(union ccb *ccb, u_int32_t cam_flags,
1144                                 u_int32_t sense_flags);
1145 static void             daprevent(struct cam_periph *periph, int action);
1146 static void             dareprobe(struct cam_periph *periph);
1147 static void             dasetgeom(struct cam_periph *periph, uint32_t block_len,
1148                                   uint64_t maxsector,
1149                                   struct scsi_read_capacity_data_long *rcaplong,
1150                                   size_t rcap_size);
1151 static timeout_t        dasendorderedtag;
1152 static void             dashutdown(void *arg, int howto);
1153 static timeout_t        damediapoll;
1154
1155 #ifndef DA_DEFAULT_POLL_PERIOD
1156 #define DA_DEFAULT_POLL_PERIOD  3
1157 #endif
1158
1159 #ifndef DA_DEFAULT_TIMEOUT
1160 #define DA_DEFAULT_TIMEOUT 60   /* Timeout in seconds */
1161 #endif
1162
1163 #ifndef DA_DEFAULT_RETRY
1164 #define DA_DEFAULT_RETRY        4
1165 #endif
1166
1167 #ifndef DA_DEFAULT_SEND_ORDERED
1168 #define DA_DEFAULT_SEND_ORDERED 1
1169 #endif
1170
1171 #define DA_SIO (softc->sort_io_queue >= 0 ? \
1172     softc->sort_io_queue : cam_sort_io_queues)
1173
1174 static int da_poll_period = DA_DEFAULT_POLL_PERIOD;
1175 static int da_retry_count = DA_DEFAULT_RETRY;
1176 static int da_default_timeout = DA_DEFAULT_TIMEOUT;
1177 static int da_send_ordered = DA_DEFAULT_SEND_ORDERED;
1178
1179 static SYSCTL_NODE(_kern_cam, OID_AUTO, da, CTLFLAG_RD, 0,
1180             "CAM Direct Access Disk driver");
1181 SYSCTL_INT(_kern_cam_da, OID_AUTO, poll_period, CTLFLAG_RW,
1182            &da_poll_period, 0, "Media polling period in seconds");
1183 TUNABLE_INT("kern.cam.da.poll_period", &da_poll_period);
1184 SYSCTL_INT(_kern_cam_da, OID_AUTO, retry_count, CTLFLAG_RW,
1185            &da_retry_count, 0, "Normal I/O retry count");
1186 TUNABLE_INT("kern.cam.da.retry_count", &da_retry_count);
1187 SYSCTL_INT(_kern_cam_da, OID_AUTO, default_timeout, CTLFLAG_RW,
1188            &da_default_timeout, 0, "Normal I/O timeout (in seconds)");
1189 TUNABLE_INT("kern.cam.da.default_timeout", &da_default_timeout);
1190 SYSCTL_INT(_kern_cam_da, OID_AUTO, send_ordered, CTLFLAG_RW,
1191            &da_send_ordered, 0, "Send Ordered Tags");
1192 TUNABLE_INT("kern.cam.da.send_ordered", &da_send_ordered);
1193
1194 /*
1195  * DA_ORDEREDTAG_INTERVAL determines how often, relative
1196  * to the default timeout, we check to see whether an ordered
1197  * tagged transaction is appropriate to prevent simple tag
1198  * starvation.  Since we'd like to ensure that there is at least
1199  * 1/2 of the timeout length left for a starved transaction to
1200  * complete after we've sent an ordered tag, we must poll at least
1201  * four times in every timeout period.  This takes care of the worst
1202  * case where a starved transaction starts during an interval that
1203  * meets the requirement "don't send an ordered tag" test so it takes
1204  * us two intervals to determine that a tag must be sent.
1205  */
1206 #ifndef DA_ORDEREDTAG_INTERVAL
1207 #define DA_ORDEREDTAG_INTERVAL 4
1208 #endif
1209
1210 static struct periph_driver dadriver =
1211 {
1212         dainit, "da",
1213         TAILQ_HEAD_INITIALIZER(dadriver.units), /* generation */ 0
1214 };
1215
1216 PERIPHDRIVER_DECLARE(da, dadriver);
1217
1218 static MALLOC_DEFINE(M_SCSIDA, "scsi_da", "scsi_da buffers");
1219
1220 static int
1221 daopen(struct disk *dp)
1222 {
1223         struct cam_periph *periph;
1224         struct da_softc *softc;
1225         int error;
1226
1227         periph = (struct cam_periph *)dp->d_drv1;
1228         if (cam_periph_acquire(periph) != CAM_REQ_CMP) {
1229                 return (ENXIO);
1230         }
1231
1232         cam_periph_lock(periph);
1233         if ((error = cam_periph_hold(periph, PRIBIO|PCATCH)) != 0) {
1234                 cam_periph_unlock(periph);
1235                 cam_periph_release(periph);
1236                 return (error);
1237         }
1238
1239         CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH,
1240             ("daopen\n"));
1241
1242         softc = (struct da_softc *)periph->softc;
1243         dareprobe(periph);
1244
1245         /* Wait for the disk size update.  */
1246         error = cam_periph_sleep(periph, &softc->disk->d_mediasize, PRIBIO,
1247             "dareprobe", 0);
1248         if (error != 0)
1249                 xpt_print(periph->path, "unable to retrieve capacity data\n");
1250
1251         if (periph->flags & CAM_PERIPH_INVALID)
1252                 error = ENXIO;
1253
1254         if (error == 0 && (softc->flags & DA_FLAG_PACK_REMOVABLE) != 0 &&
1255             (softc->quirks & DA_Q_NO_PREVENT) == 0)
1256                 daprevent(periph, PR_PREVENT);
1257
1258         if (error == 0) {
1259                 softc->flags &= ~DA_FLAG_PACK_INVALID;
1260                 softc->flags |= DA_FLAG_OPEN;
1261         }
1262
1263         cam_periph_unhold(periph);
1264         cam_periph_unlock(periph);
1265
1266         if (error != 0)
1267                 cam_periph_release(periph);
1268
1269         return (error);
1270 }
1271
1272 static int
1273 daclose(struct disk *dp)
1274 {
1275         struct  cam_periph *periph;
1276         struct  da_softc *softc;
1277         union   ccb *ccb;
1278         int error;
1279
1280         periph = (struct cam_periph *)dp->d_drv1;
1281         softc = (struct da_softc *)periph->softc;
1282         cam_periph_lock(periph);
1283         CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH,
1284             ("daclose\n"));
1285
1286         if (cam_periph_hold(periph, PRIBIO) == 0) {
1287
1288                 /* Flush disk cache. */
1289                 if ((softc->flags & DA_FLAG_DIRTY) != 0 &&
1290                     (softc->quirks & DA_Q_NO_SYNC_CACHE) == 0 &&
1291                     (softc->flags & DA_FLAG_PACK_INVALID) == 0) {
1292                         ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
1293                         scsi_synchronize_cache(&ccb->csio, /*retries*/1,
1294                             /*cbfcnp*/dadone, MSG_SIMPLE_Q_TAG,
1295                             /*begin_lba*/0, /*lb_count*/0, SSD_FULL_SIZE,
1296                             5 * 60 * 1000);
1297                         error = cam_periph_runccb(ccb, daerror, /*cam_flags*/0,
1298                             /*sense_flags*/SF_RETRY_UA | SF_QUIET_IR,
1299                             softc->disk->d_devstat);
1300                         if (error == 0)
1301                                 softc->flags &= ~DA_FLAG_DIRTY;
1302                         xpt_release_ccb(ccb);
1303                 }
1304
1305                 /* Allow medium removal. */
1306                 if ((softc->flags & DA_FLAG_PACK_REMOVABLE) != 0 &&
1307                     (softc->quirks & DA_Q_NO_PREVENT) == 0)
1308                         daprevent(periph, PR_ALLOW);
1309
1310                 cam_periph_unhold(periph);
1311         }
1312
1313         /*
1314          * If we've got removeable media, mark the blocksize as
1315          * unavailable, since it could change when new media is
1316          * inserted.
1317          */
1318         if ((softc->flags & DA_FLAG_PACK_REMOVABLE) != 0)
1319                 softc->disk->d_devstat->flags |= DEVSTAT_BS_UNAVAILABLE;
1320
1321         softc->flags &= ~DA_FLAG_OPEN;
1322         while (softc->refcount != 0)
1323                 cam_periph_sleep(periph, &softc->refcount, PRIBIO, "daclose", 1);
1324         cam_periph_unlock(periph);
1325         cam_periph_release(periph);
1326         return (0);
1327 }
1328
1329 static void
1330 daschedule(struct cam_periph *periph)
1331 {
1332         struct da_softc *softc = (struct da_softc *)periph->softc;
1333
1334         if (softc->state != DA_STATE_NORMAL)
1335                 return;
1336
1337         /* Check if we have more work to do. */
1338         if (bioq_first(&softc->bio_queue) ||
1339             (!softc->delete_running && bioq_first(&softc->delete_queue)) ||
1340             softc->tur) {
1341                 xpt_schedule(periph, CAM_PRIORITY_NORMAL);
1342         }
1343 }
1344
1345 /*
1346  * Actually translate the requested transfer into one the physical driver
1347  * can understand.  The transfer is described by a buf and will include
1348  * only one physical transfer.
1349  */
1350 static void
1351 dastrategy(struct bio *bp)
1352 {
1353         struct cam_periph *periph;
1354         struct da_softc *softc;
1355
1356         periph = (struct cam_periph *)bp->bio_disk->d_drv1;
1357         softc = (struct da_softc *)periph->softc;
1358
1359         cam_periph_lock(periph);
1360
1361         /*
1362          * If the device has been made invalid, error out
1363          */
1364         if ((softc->flags & DA_FLAG_PACK_INVALID)) {
1365                 cam_periph_unlock(periph);
1366                 biofinish(bp, NULL, ENXIO);
1367                 return;
1368         }
1369
1370         CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dastrategy(%p)\n", bp));
1371
1372         /*
1373          * Place it in the queue of disk activities for this disk
1374          */
1375         if (bp->bio_cmd == BIO_DELETE) {
1376                 if (DA_SIO)
1377                         bioq_disksort(&softc->delete_queue, bp);
1378                 else
1379                         bioq_insert_tail(&softc->delete_queue, bp);
1380         } else if (DA_SIO) {
1381                 bioq_disksort(&softc->bio_queue, bp);
1382         } else {
1383                 bioq_insert_tail(&softc->bio_queue, bp);
1384         }
1385
1386         /*
1387          * Schedule ourselves for performing the work.
1388          */
1389         daschedule(periph);
1390         cam_periph_unlock(periph);
1391
1392         return;
1393 }
1394
1395 static int
1396 dadump(void *arg, void *virtual, vm_offset_t physical, off_t offset, size_t length)
1397 {
1398         struct      cam_periph *periph;
1399         struct      da_softc *softc;
1400         u_int       secsize;
1401         struct      ccb_scsiio csio;
1402         struct      disk *dp;
1403         int         error = 0;
1404
1405         dp = arg;
1406         periph = dp->d_drv1;
1407         softc = (struct da_softc *)periph->softc;
1408         cam_periph_lock(periph);
1409         secsize = softc->params.secsize;
1410
1411         if ((softc->flags & DA_FLAG_PACK_INVALID) != 0) {
1412                 cam_periph_unlock(periph);
1413                 return (ENXIO);
1414         }
1415
1416         if (length > 0) {
1417                 xpt_setup_ccb(&csio.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
1418                 csio.ccb_h.ccb_state = DA_CCB_DUMP;
1419                 scsi_read_write(&csio,
1420                                 /*retries*/0,
1421                                 dadone,
1422                                 MSG_ORDERED_Q_TAG,
1423                                 /*read*/SCSI_RW_WRITE,
1424                                 /*byte2*/0,
1425                                 /*minimum_cmd_size*/ softc->minimum_cmd_size,
1426                                 offset / secsize,
1427                                 length / secsize,
1428                                 /*data_ptr*/(u_int8_t *) virtual,
1429                                 /*dxfer_len*/length,
1430                                 /*sense_len*/SSD_FULL_SIZE,
1431                                 da_default_timeout * 1000);
1432                 xpt_polled_action((union ccb *)&csio);
1433
1434                 error = cam_periph_error((union ccb *)&csio,
1435                     0, SF_NO_RECOVERY | SF_NO_RETRY, NULL);
1436                 if ((csio.ccb_h.status & CAM_DEV_QFRZN) != 0)
1437                         cam_release_devq(csio.ccb_h.path, /*relsim_flags*/0,
1438                             /*reduction*/0, /*timeout*/0, /*getcount_only*/0);
1439                 if (error != 0)
1440                         printf("Aborting dump due to I/O error.\n");
1441                 cam_periph_unlock(periph);
1442                 return (error);
1443         }
1444
1445         /*
1446          * Sync the disk cache contents to the physical media.
1447          */
1448         if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) {
1449
1450                 xpt_setup_ccb(&csio.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
1451                 csio.ccb_h.ccb_state = DA_CCB_DUMP;
1452                 scsi_synchronize_cache(&csio,
1453                                        /*retries*/0,
1454                                        /*cbfcnp*/dadone,
1455                                        MSG_SIMPLE_Q_TAG,
1456                                        /*begin_lba*/0,/* Cover the whole disk */
1457                                        /*lb_count*/0,
1458                                        SSD_FULL_SIZE,
1459                                        5 * 60 * 1000);
1460                 xpt_polled_action((union ccb *)&csio);
1461
1462                 error = cam_periph_error((union ccb *)&csio,
1463                     0, SF_NO_RECOVERY | SF_NO_RETRY | SF_QUIET_IR, NULL);
1464                 if ((csio.ccb_h.status & CAM_DEV_QFRZN) != 0)
1465                         cam_release_devq(csio.ccb_h.path, /*relsim_flags*/0,
1466                             /*reduction*/0, /*timeout*/0, /*getcount_only*/0);
1467                 if (error != 0)
1468                         xpt_print(periph->path, "Synchronize cache failed\n");
1469         }
1470         cam_periph_unlock(periph);
1471         return (error);
1472 }
1473
1474 static int
1475 dagetattr(struct bio *bp)
1476 {
1477         int ret;
1478         struct cam_periph *periph;
1479
1480         periph = (struct cam_periph *)bp->bio_disk->d_drv1;
1481         cam_periph_lock(periph);
1482         ret = xpt_getattr(bp->bio_data, bp->bio_length, bp->bio_attribute,
1483             periph->path);
1484         cam_periph_unlock(periph);
1485         if (ret == 0)
1486                 bp->bio_completed = bp->bio_length;
1487         return ret;
1488 }
1489
1490 static void
1491 dainit(void)
1492 {
1493         cam_status status;
1494
1495         /*
1496          * Install a global async callback.  This callback will
1497          * receive async callbacks like "new device found".
1498          */
1499         status = xpt_register_async(AC_FOUND_DEVICE, daasync, NULL, NULL);
1500
1501         if (status != CAM_REQ_CMP) {
1502                 printf("da: Failed to attach master async callback "
1503                        "due to status 0x%x!\n", status);
1504         } else if (da_send_ordered) {
1505
1506                 /* Register our shutdown event handler */
1507                 if ((EVENTHANDLER_REGISTER(shutdown_post_sync, dashutdown,
1508                                            NULL, SHUTDOWN_PRI_DEFAULT)) == NULL)
1509                     printf("dainit: shutdown event registration failed!\n");
1510         }
1511 }
1512
1513 /*
1514  * Callback from GEOM, called when it has finished cleaning up its
1515  * resources.
1516  */
1517 static void
1518 dadiskgonecb(struct disk *dp)
1519 {
1520         struct cam_periph *periph;
1521
1522         periph = (struct cam_periph *)dp->d_drv1;
1523         cam_periph_release(periph);
1524 }
1525
1526 static void
1527 daoninvalidate(struct cam_periph *periph)
1528 {
1529         struct da_softc *softc;
1530
1531         softc = (struct da_softc *)periph->softc;
1532
1533         /*
1534          * De-register any async callbacks.
1535          */
1536         xpt_register_async(0, daasync, periph, periph->path);
1537
1538         softc->flags |= DA_FLAG_PACK_INVALID;
1539
1540         /*
1541          * Return all queued I/O with ENXIO.
1542          * XXX Handle any transactions queued to the card
1543          *     with XPT_ABORT_CCB.
1544          */
1545         bioq_flush(&softc->bio_queue, NULL, ENXIO);
1546         bioq_flush(&softc->delete_queue, NULL, ENXIO);
1547
1548         /*
1549          * Tell GEOM that we've gone away, we'll get a callback when it is
1550          * done cleaning up its resources.
1551          */
1552         disk_gone(softc->disk);
1553 }
1554
1555 static void
1556 dacleanup(struct cam_periph *periph)
1557 {
1558         struct da_softc *softc;
1559
1560         softc = (struct da_softc *)periph->softc;
1561
1562         cam_periph_unlock(periph);
1563
1564         /*
1565          * If we can't free the sysctl tree, oh well...
1566          */
1567         if ((softc->flags & DA_FLAG_SCTX_INIT) != 0
1568             && sysctl_ctx_free(&softc->sysctl_ctx) != 0) {
1569                 xpt_print(periph->path, "can't remove sysctl context\n");
1570         }
1571
1572         callout_drain(&softc->mediapoll_c);
1573         disk_destroy(softc->disk);
1574         callout_drain(&softc->sendordered_c);
1575         free(softc, M_DEVBUF);
1576         cam_periph_lock(periph);
1577 }
1578
1579 static void
1580 daasync(void *callback_arg, u_int32_t code,
1581         struct cam_path *path, void *arg)
1582 {
1583         struct cam_periph *periph;
1584         struct da_softc *softc;
1585
1586         periph = (struct cam_periph *)callback_arg;
1587         switch (code) {
1588         case AC_FOUND_DEVICE:
1589         {
1590                 struct ccb_getdev *cgd;
1591                 cam_status status;
1592
1593                 cgd = (struct ccb_getdev *)arg;
1594                 if (cgd == NULL)
1595                         break;
1596
1597                 if (cgd->protocol != PROTO_SCSI)
1598                         break;
1599
1600                 if (SID_TYPE(&cgd->inq_data) != T_DIRECT
1601                     && SID_TYPE(&cgd->inq_data) != T_RBC
1602                     && SID_TYPE(&cgd->inq_data) != T_OPTICAL)
1603                         break;
1604
1605                 /*
1606                  * Allocate a peripheral instance for
1607                  * this device and start the probe
1608                  * process.
1609                  */
1610                 status = cam_periph_alloc(daregister, daoninvalidate,
1611                                           dacleanup, dastart,
1612                                           "da", CAM_PERIPH_BIO,
1613                                           path, daasync,
1614                                           AC_FOUND_DEVICE, cgd);
1615
1616                 if (status != CAM_REQ_CMP
1617                  && status != CAM_REQ_INPROG)
1618                         printf("daasync: Unable to attach to new device "
1619                                 "due to status 0x%x\n", status);
1620                 return;
1621         }
1622         case AC_ADVINFO_CHANGED:
1623         {
1624                 uintptr_t buftype;
1625
1626                 buftype = (uintptr_t)arg;
1627                 if (buftype == CDAI_TYPE_PHYS_PATH) {
1628                         struct da_softc *softc;
1629
1630                         softc = periph->softc;
1631                         disk_attr_changed(softc->disk, "GEOM::physpath",
1632                                           M_NOWAIT);
1633                 }
1634                 break;
1635         }
1636         case AC_UNIT_ATTENTION:
1637         {
1638                 union ccb *ccb;
1639                 int error_code, sense_key, asc, ascq;
1640
1641                 softc = (struct da_softc *)periph->softc;
1642                 ccb = (union ccb *)arg;
1643
1644                 /*
1645                  * Handle all UNIT ATTENTIONs except our own,
1646                  * as they will be handled by daerror().
1647                  */
1648                 if (xpt_path_periph(ccb->ccb_h.path) != periph &&
1649                     scsi_extract_sense_ccb(ccb,
1650                      &error_code, &sense_key, &asc, &ascq)) {
1651                         if (asc == 0x2A && ascq == 0x09) {
1652                                 xpt_print(ccb->ccb_h.path,
1653                                     "capacity data has changed\n");
1654                                 dareprobe(periph);
1655                         } else if (asc == 0x28 && ascq == 0x00)
1656                                 disk_media_changed(softc->disk, M_NOWAIT);
1657                 }
1658                 cam_periph_async(periph, code, path, arg);
1659                 break;
1660         }
1661         case AC_SCSI_AEN:
1662                 softc = (struct da_softc *)periph->softc;
1663                 if (!softc->tur) {
1664                         if (cam_periph_acquire(periph) == CAM_REQ_CMP) {
1665                                 softc->tur = 1;
1666                                 daschedule(periph);
1667                         }
1668                 }
1669                 /* FALLTHROUGH */
1670         case AC_SENT_BDR:
1671         case AC_BUS_RESET:
1672         {
1673                 struct ccb_hdr *ccbh;
1674
1675                 softc = (struct da_softc *)periph->softc;
1676                 /*
1677                  * Don't fail on the expected unit attention
1678                  * that will occur.
1679                  */
1680                 softc->flags |= DA_FLAG_RETRY_UA;
1681                 LIST_FOREACH(ccbh, &softc->pending_ccbs, periph_links.le)
1682                         ccbh->ccb_state |= DA_CCB_RETRY_UA;
1683                 break;
1684         }
1685         default:
1686                 break;
1687         }
1688         cam_periph_async(periph, code, path, arg);
1689 }
1690
1691 static void
1692 dasysctlinit(void *context, int pending)
1693 {
1694         struct cam_periph *periph;
1695         struct da_softc *softc;
1696         char tmpstr[80], tmpstr2[80];
1697         struct ccb_trans_settings cts;
1698
1699         periph = (struct cam_periph *)context;
1700         /*
1701          * periph was held for us when this task was enqueued
1702          */
1703         if (periph->flags & CAM_PERIPH_INVALID) {
1704                 cam_periph_release(periph);
1705                 return;
1706         }
1707
1708         softc = (struct da_softc *)periph->softc;
1709         snprintf(tmpstr, sizeof(tmpstr), "CAM DA unit %d", periph->unit_number);
1710         snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number);
1711
1712         sysctl_ctx_init(&softc->sysctl_ctx);
1713         softc->flags |= DA_FLAG_SCTX_INIT;
1714         softc->sysctl_tree = SYSCTL_ADD_NODE(&softc->sysctl_ctx,
1715                 SYSCTL_STATIC_CHILDREN(_kern_cam_da), OID_AUTO, tmpstr2,
1716                 CTLFLAG_RD, 0, tmpstr);
1717         if (softc->sysctl_tree == NULL) {
1718                 printf("dasysctlinit: unable to allocate sysctl tree\n");
1719                 cam_periph_release(periph);
1720                 return;
1721         }
1722
1723         /*
1724          * Now register the sysctl handler, so the user can change the value on
1725          * the fly.
1726          */
1727         SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1728                 OID_AUTO, "delete_method", CTLTYPE_STRING | CTLFLAG_RW,
1729                 softc, 0, dadeletemethodsysctl, "A",
1730                 "BIO_DELETE execution method");
1731         SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1732                 OID_AUTO, "delete_max", CTLTYPE_U64 | CTLFLAG_RW,
1733                 softc, 0, dadeletemaxsysctl, "Q",
1734                 "Maximum BIO_DELETE size");
1735         SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1736                 OID_AUTO, "minimum_cmd_size", CTLTYPE_INT | CTLFLAG_RW,
1737                 &softc->minimum_cmd_size, 0, dacmdsizesysctl, "I",
1738                 "Minimum CDB size");
1739         SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1740                 OID_AUTO, "sort_io_queue", CTLFLAG_RW, &softc->sort_io_queue, 0,
1741                 "Sort IO queue to try and optimise disk access patterns");
1742
1743         SYSCTL_ADD_INT(&softc->sysctl_ctx,
1744                        SYSCTL_CHILDREN(softc->sysctl_tree),
1745                        OID_AUTO,
1746                        "error_inject",
1747                        CTLFLAG_RW,
1748                        &softc->error_inject,
1749                        0,
1750                        "error_inject leaf");
1751
1752
1753         /*
1754          * Add some addressing info.
1755          */
1756         memset(&cts, 0, sizeof (cts));
1757         xpt_setup_ccb(&cts.ccb_h, periph->path, CAM_PRIORITY_NONE);
1758         cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS;
1759         cts.type = CTS_TYPE_CURRENT_SETTINGS;
1760         cam_periph_lock(periph);
1761         xpt_action((union ccb *)&cts);
1762         cam_periph_unlock(periph);
1763         if (cts.ccb_h.status != CAM_REQ_CMP) {
1764                 cam_periph_release(periph);
1765                 return;
1766         }
1767         if (cts.protocol == PROTO_SCSI && cts.transport == XPORT_FC) {
1768                 struct ccb_trans_settings_fc *fc = &cts.xport_specific.fc;
1769                 if (fc->valid & CTS_FC_VALID_WWPN) {
1770                         softc->wwpn = fc->wwpn;
1771                         SYSCTL_ADD_UQUAD(&softc->sysctl_ctx,
1772                             SYSCTL_CHILDREN(softc->sysctl_tree),
1773                             OID_AUTO, "wwpn", CTLFLAG_RD,
1774                             &softc->wwpn, "World Wide Port Name");
1775                 }
1776         }
1777         cam_periph_release(periph);
1778 }
1779
1780 static int
1781 dadeletemaxsysctl(SYSCTL_HANDLER_ARGS)
1782 {
1783         int error;
1784         uint64_t value;
1785         struct da_softc *softc;
1786
1787         softc = (struct da_softc *)arg1;
1788
1789         value = softc->disk->d_delmaxsize;
1790         error = sysctl_handle_64(oidp, &value, 0, req);
1791         if ((error != 0) || (req->newptr == NULL))
1792                 return (error);
1793
1794         /* only accept values smaller than the calculated value */
1795         if (value > dadeletemaxsize(softc, softc->delete_method)) {
1796                 return (EINVAL);
1797         }
1798         softc->disk->d_delmaxsize = value;
1799
1800         return (0);
1801 }
1802
1803 static int
1804 dacmdsizesysctl(SYSCTL_HANDLER_ARGS)
1805 {
1806         int error, value;
1807
1808         value = *(int *)arg1;
1809
1810         error = sysctl_handle_int(oidp, &value, 0, req);
1811
1812         if ((error != 0)
1813          || (req->newptr == NULL))
1814                 return (error);
1815
1816         /*
1817          * Acceptable values here are 6, 10, 12 or 16.
1818          */
1819         if (value < 6)
1820                 value = 6;
1821         else if ((value > 6)
1822               && (value <= 10))
1823                 value = 10;
1824         else if ((value > 10)
1825               && (value <= 12))
1826                 value = 12;
1827         else if (value > 12)
1828                 value = 16;
1829
1830         *(int *)arg1 = value;
1831
1832         return (0);
1833 }
1834
1835 static void
1836 dadeletemethodset(struct da_softc *softc, da_delete_methods delete_method)
1837 {
1838
1839
1840         softc->delete_method = delete_method;
1841         softc->disk->d_delmaxsize = dadeletemaxsize(softc, delete_method);
1842         softc->delete_func = da_delete_functions[delete_method];
1843
1844         if (softc->delete_method > DA_DELETE_DISABLE)
1845                 softc->disk->d_flags |= DISKFLAG_CANDELETE;
1846         else
1847                 softc->disk->d_flags &= ~DISKFLAG_CANDELETE;
1848 }
1849
1850 static off_t
1851 dadeletemaxsize(struct da_softc *softc, da_delete_methods delete_method)
1852 {
1853         off_t sectors;
1854
1855         switch(delete_method) {
1856         case DA_DELETE_UNMAP:
1857                 sectors = (off_t)softc->unmap_max_lba;
1858                 break;
1859         case DA_DELETE_ATA_TRIM:
1860                 sectors = (off_t)ATA_DSM_RANGE_MAX * softc->trim_max_ranges;
1861                 break;
1862         case DA_DELETE_WS16:
1863                 sectors = (off_t)min(softc->ws_max_blks, WS16_MAX_BLKS);
1864                 break;
1865         case DA_DELETE_ZERO:
1866         case DA_DELETE_WS10:
1867                 sectors = (off_t)min(softc->ws_max_blks, WS10_MAX_BLKS);
1868                 break;
1869         default:
1870                 return 0;
1871         }
1872
1873         return (off_t)softc->params.secsize *
1874             min(sectors, (off_t)softc->params.sectors);
1875 }
1876
1877 static void
1878 daprobedone(struct cam_periph *periph, union ccb *ccb)
1879 {
1880         struct da_softc *softc;
1881
1882         softc = (struct da_softc *)periph->softc;
1883
1884         dadeletemethodchoose(softc, DA_DELETE_NONE);
1885
1886         if (bootverbose && (softc->flags & DA_FLAG_PROBED) == 0) {
1887                 char buf[80];
1888                 int i, sep;
1889
1890                 snprintf(buf, sizeof(buf), "Delete methods: <");
1891                 sep = 0;
1892                 for (i = DA_DELETE_MIN; i <= DA_DELETE_MAX; i++) {
1893                         if (softc->delete_available & (1 << i)) {
1894                                 if (sep) {
1895                                         strlcat(buf, ",", sizeof(buf));
1896                                 } else {
1897                                     sep = 1;
1898                                 }
1899                                 strlcat(buf, da_delete_method_names[i],
1900                                     sizeof(buf));
1901                                 if (i == softc->delete_method) {
1902                                         strlcat(buf, "(*)", sizeof(buf));
1903                                 }
1904                         }
1905                 }
1906                 if (sep == 0) {
1907                         if (softc->delete_method == DA_DELETE_NONE)
1908                                 strlcat(buf, "NONE(*)", sizeof(buf));
1909                         else
1910                                 strlcat(buf, "DISABLED(*)", sizeof(buf));
1911                 }
1912                 strlcat(buf, ">", sizeof(buf));
1913                 printf("%s%d: %s\n", periph->periph_name,
1914                     periph->unit_number, buf);
1915         }
1916
1917         /*
1918          * Since our peripheral may be invalidated by an error
1919          * above or an external event, we must release our CCB
1920          * before releasing the probe lock on the peripheral.
1921          * The peripheral will only go away once the last lock
1922          * is removed, and we need it around for the CCB release
1923          * operation.
1924          */
1925         xpt_release_ccb(ccb);
1926         softc->state = DA_STATE_NORMAL;
1927         daschedule(periph);
1928         wakeup(&softc->disk->d_mediasize);
1929         if ((softc->flags & DA_FLAG_PROBED) == 0) {
1930                 softc->flags |= DA_FLAG_PROBED;
1931                 cam_periph_unhold(periph);
1932         } else
1933                 cam_periph_release_locked(periph);
1934 }
1935
1936 static void
1937 dadeletemethodchoose(struct da_softc *softc, da_delete_methods default_method)
1938 {
1939         int i, delete_method;
1940
1941         delete_method = default_method;
1942
1943         /*
1944          * Use the pre-defined order to choose the best
1945          * performing delete.
1946          */
1947         for (i = DA_DELETE_MIN; i <= DA_DELETE_MAX; i++) {
1948                 if (softc->delete_available & (1 << i)) {
1949                         dadeletemethodset(softc, i);
1950                         return;
1951                 }
1952         }
1953         dadeletemethodset(softc, delete_method);
1954 }
1955
1956 static int
1957 dadeletemethodsysctl(SYSCTL_HANDLER_ARGS)
1958 {
1959         char buf[16];
1960         const char *p;
1961         struct da_softc *softc;
1962         int i, error, methods, value;
1963
1964         softc = (struct da_softc *)arg1;
1965
1966         value = softc->delete_method;
1967         if (value < 0 || value > DA_DELETE_MAX)
1968                 p = "UNKNOWN";
1969         else
1970                 p = da_delete_method_names[value];
1971         strncpy(buf, p, sizeof(buf));
1972         error = sysctl_handle_string(oidp, buf, sizeof(buf), req);
1973         if (error != 0 || req->newptr == NULL)
1974                 return (error);
1975         methods = softc->delete_available | (1 << DA_DELETE_DISABLE);
1976         for (i = 0; i <= DA_DELETE_MAX; i++) {
1977                 if (!(methods & (1 << i)) ||
1978                     strcmp(buf, da_delete_method_names[i]) != 0)
1979                         continue;
1980                 dadeletemethodset(softc, i);
1981                 return (0);
1982         }
1983         return (EINVAL);
1984 }
1985
1986 static cam_status
1987 daregister(struct cam_periph *periph, void *arg)
1988 {
1989         struct da_softc *softc;
1990         struct ccb_pathinq cpi;
1991         struct ccb_getdev *cgd;
1992         char tmpstr[80];
1993         caddr_t match;
1994
1995         cgd = (struct ccb_getdev *)arg;
1996         if (cgd == NULL) {
1997                 printf("daregister: no getdev CCB, can't register device\n");
1998                 return(CAM_REQ_CMP_ERR);
1999         }
2000
2001         softc = (struct da_softc *)malloc(sizeof(*softc), M_DEVBUF,
2002             M_NOWAIT|M_ZERO);
2003
2004         if (softc == NULL) {
2005                 printf("daregister: Unable to probe new device. "
2006                        "Unable to allocate softc\n");
2007                 return(CAM_REQ_CMP_ERR);
2008         }
2009
2010         LIST_INIT(&softc->pending_ccbs);
2011         softc->state = DA_STATE_PROBE_RC;
2012         bioq_init(&softc->bio_queue);
2013         bioq_init(&softc->delete_queue);
2014         bioq_init(&softc->delete_run_queue);
2015         if (SID_IS_REMOVABLE(&cgd->inq_data))
2016                 softc->flags |= DA_FLAG_PACK_REMOVABLE;
2017         softc->unmap_max_ranges = UNMAP_MAX_RANGES;
2018         softc->unmap_max_lba = UNMAP_RANGE_MAX;
2019         softc->ws_max_blks = WS16_MAX_BLKS;
2020         softc->trim_max_ranges = ATA_TRIM_MAX_RANGES;
2021         softc->sort_io_queue = -1;
2022
2023         periph->softc = softc;
2024
2025         /*
2026          * See if this device has any quirks.
2027          */
2028         match = cam_quirkmatch((caddr_t)&cgd->inq_data,
2029                                (caddr_t)da_quirk_table,
2030                                sizeof(da_quirk_table)/sizeof(*da_quirk_table),
2031                                sizeof(*da_quirk_table), scsi_inquiry_match);
2032
2033         if (match != NULL)
2034                 softc->quirks = ((struct da_quirk_entry *)match)->quirks;
2035         else
2036                 softc->quirks = DA_Q_NONE;
2037
2038         /* Check if the SIM does not want 6 byte commands */
2039         bzero(&cpi, sizeof(cpi));
2040         xpt_setup_ccb(&cpi.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
2041         cpi.ccb_h.func_code = XPT_PATH_INQ;
2042         xpt_action((union ccb *)&cpi);
2043         if (cpi.ccb_h.status == CAM_REQ_CMP && (cpi.hba_misc & PIM_NO_6_BYTE))
2044                 softc->quirks |= DA_Q_NO_6_BYTE;
2045
2046         TASK_INIT(&softc->sysctl_task, 0, dasysctlinit, periph);
2047
2048         /*
2049          * Take an exclusive refcount on the periph while dastart is called
2050          * to finish the probe.  The reference will be dropped in dadone at
2051          * the end of probe.
2052          */
2053         (void)cam_periph_hold(periph, PRIBIO);
2054
2055         /*
2056          * Schedule a periodic event to occasionally send an
2057          * ordered tag to a device.
2058          */
2059         callout_init_mtx(&softc->sendordered_c, cam_periph_mtx(periph), 0);
2060         callout_reset(&softc->sendordered_c,
2061             (da_default_timeout * hz) / DA_ORDEREDTAG_INTERVAL,
2062             dasendorderedtag, softc);
2063
2064         cam_periph_unlock(periph);
2065         /*
2066          * RBC devices don't have to support READ(6), only READ(10).
2067          */
2068         if (softc->quirks & DA_Q_NO_6_BYTE || SID_TYPE(&cgd->inq_data) == T_RBC)
2069                 softc->minimum_cmd_size = 10;
2070         else
2071                 softc->minimum_cmd_size = 6;
2072
2073         /*
2074          * Load the user's default, if any.
2075          */
2076         snprintf(tmpstr, sizeof(tmpstr), "kern.cam.da.%d.minimum_cmd_size",
2077                  periph->unit_number);
2078         TUNABLE_INT_FETCH(tmpstr, &softc->minimum_cmd_size);
2079
2080         /*
2081          * 6, 10, 12 and 16 are the currently permissible values.
2082          */
2083         if (softc->minimum_cmd_size < 6)
2084                 softc->minimum_cmd_size = 6;
2085         else if ((softc->minimum_cmd_size > 6)
2086               && (softc->minimum_cmd_size <= 10))
2087                 softc->minimum_cmd_size = 10;
2088         else if ((softc->minimum_cmd_size > 10)
2089               && (softc->minimum_cmd_size <= 12))
2090                 softc->minimum_cmd_size = 12;
2091         else if (softc->minimum_cmd_size > 12)
2092                 softc->minimum_cmd_size = 16;
2093
2094         /* Predict whether device may support READ CAPACITY(16). */
2095         if (SID_ANSI_REV(&cgd->inq_data) >= SCSI_REV_SPC3 &&
2096             (softc->quirks & DA_Q_NO_RC16) == 0) {
2097                 softc->flags |= DA_FLAG_CAN_RC16;
2098                 softc->state = DA_STATE_PROBE_RC16;
2099         }
2100
2101         /*
2102          * Register this media as a disk.
2103          */
2104         softc->disk = disk_alloc();
2105         softc->disk->d_devstat = devstat_new_entry(periph->periph_name,
2106                           periph->unit_number, 0,
2107                           DEVSTAT_BS_UNAVAILABLE,
2108                           SID_TYPE(&cgd->inq_data) |
2109                           XPORT_DEVSTAT_TYPE(cpi.transport),
2110                           DEVSTAT_PRIORITY_DISK);
2111         softc->disk->d_open = daopen;
2112         softc->disk->d_close = daclose;
2113         softc->disk->d_strategy = dastrategy;
2114         softc->disk->d_dump = dadump;
2115         softc->disk->d_getattr = dagetattr;
2116         softc->disk->d_gone = dadiskgonecb;
2117         softc->disk->d_name = "da";
2118         softc->disk->d_drv1 = periph;
2119         if (cpi.maxio == 0)
2120                 softc->disk->d_maxsize = DFLTPHYS;      /* traditional default */
2121         else if (cpi.maxio > MAXPHYS)
2122                 softc->disk->d_maxsize = MAXPHYS;       /* for safety */
2123         else
2124                 softc->disk->d_maxsize = cpi.maxio;
2125         softc->disk->d_unit = periph->unit_number;
2126         softc->disk->d_flags = DISKFLAG_DIRECT_COMPLETION;
2127         if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0)
2128                 softc->disk->d_flags |= DISKFLAG_CANFLUSHCACHE;
2129         if ((cpi.hba_misc & PIM_UNMAPPED) != 0)
2130                 softc->disk->d_flags |= DISKFLAG_UNMAPPED_BIO;
2131         cam_strvis(softc->disk->d_descr, cgd->inq_data.vendor,
2132             sizeof(cgd->inq_data.vendor), sizeof(softc->disk->d_descr));
2133         strlcat(softc->disk->d_descr, " ", sizeof(softc->disk->d_descr));
2134         cam_strvis(&softc->disk->d_descr[strlen(softc->disk->d_descr)],
2135             cgd->inq_data.product, sizeof(cgd->inq_data.product),
2136             sizeof(softc->disk->d_descr) - strlen(softc->disk->d_descr));
2137         softc->disk->d_hba_vendor = cpi.hba_vendor;
2138         softc->disk->d_hba_device = cpi.hba_device;
2139         softc->disk->d_hba_subvendor = cpi.hba_subvendor;
2140         softc->disk->d_hba_subdevice = cpi.hba_subdevice;
2141
2142         /*
2143          * Acquire a reference to the periph before we register with GEOM.
2144          * We'll release this reference once GEOM calls us back (via
2145          * dadiskgonecb()) telling us that our provider has been freed.
2146          */
2147         if (cam_periph_acquire(periph) != CAM_REQ_CMP) {
2148                 xpt_print(periph->path, "%s: lost periph during "
2149                           "registration!\n", __func__);
2150                 cam_periph_lock(periph);
2151                 return (CAM_REQ_CMP_ERR);
2152         }
2153
2154         disk_create(softc->disk, DISK_VERSION);
2155         cam_periph_lock(periph);
2156
2157         /*
2158          * Add async callbacks for events of interest.
2159          * I don't bother checking if this fails as,
2160          * in most cases, the system will function just
2161          * fine without them and the only alternative
2162          * would be to not attach the device on failure.
2163          */
2164         xpt_register_async(AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE |
2165             AC_ADVINFO_CHANGED | AC_SCSI_AEN | AC_UNIT_ATTENTION,
2166             daasync, periph, periph->path);
2167
2168         /*
2169          * Emit an attribute changed notification just in case
2170          * physical path information arrived before our async
2171          * event handler was registered, but after anyone attaching
2172          * to our disk device polled it.
2173          */
2174         disk_attr_changed(softc->disk, "GEOM::physpath", M_NOWAIT);
2175
2176         /*
2177          * Schedule a periodic media polling events.
2178          */
2179         callout_init_mtx(&softc->mediapoll_c, cam_periph_mtx(periph), 0);
2180         if ((softc->flags & DA_FLAG_PACK_REMOVABLE) &&
2181             (cgd->inq_flags & SID_AEN) == 0 &&
2182             da_poll_period != 0)
2183                 callout_reset(&softc->mediapoll_c, da_poll_period * hz,
2184                     damediapoll, periph);
2185
2186         xpt_schedule(periph, CAM_PRIORITY_DEV);
2187
2188         return(CAM_REQ_CMP);
2189 }
2190
2191 static void
2192 dastart(struct cam_periph *periph, union ccb *start_ccb)
2193 {
2194         struct da_softc *softc;
2195
2196         softc = (struct da_softc *)periph->softc;
2197
2198         CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dastart\n"));
2199
2200 skipstate:
2201         switch (softc->state) {
2202         case DA_STATE_NORMAL:
2203         {
2204                 struct bio *bp;
2205                 uint8_t tag_code;
2206
2207                 /* Run BIO_DELETE if not running yet. */
2208                 if (!softc->delete_running &&
2209                     (bp = bioq_first(&softc->delete_queue)) != NULL) {
2210                         if (softc->delete_func != NULL) {
2211                                 softc->delete_func(periph, start_ccb, bp);
2212                                 goto out;
2213                         } else {
2214                                 bioq_flush(&softc->delete_queue, NULL, 0);
2215                                 /* FALLTHROUGH */
2216                         }
2217                 }
2218
2219                 /* Run regular command. */
2220                 bp = bioq_takefirst(&softc->bio_queue);
2221                 if (bp == NULL) {
2222                         if (softc->tur) {
2223                                 softc->tur = 0;
2224                                 scsi_test_unit_ready(&start_ccb->csio,
2225                                      /*retries*/ da_retry_count,
2226                                      dadone,
2227                                      MSG_SIMPLE_Q_TAG,
2228                                      SSD_FULL_SIZE,
2229                                      da_default_timeout * 1000);
2230                                 start_ccb->ccb_h.ccb_bp = NULL;
2231                                 start_ccb->ccb_h.ccb_state = DA_CCB_TUR;
2232                                 xpt_action(start_ccb);
2233                         } else
2234                                 xpt_release_ccb(start_ccb);
2235                         break;
2236                 }
2237                 if (softc->tur) {
2238                         softc->tur = 0;
2239                         cam_periph_release_locked(periph);
2240                 }
2241
2242                 if ((bp->bio_flags & BIO_ORDERED) != 0 ||
2243                     (softc->flags & DA_FLAG_NEED_OTAG) != 0) {
2244                         softc->flags &= ~DA_FLAG_NEED_OTAG;
2245                         softc->flags |= DA_FLAG_WAS_OTAG;
2246                         tag_code = MSG_ORDERED_Q_TAG;
2247                 } else {
2248                         tag_code = MSG_SIMPLE_Q_TAG;
2249                 }
2250
2251                 switch (bp->bio_cmd) {
2252                 case BIO_WRITE:
2253                         softc->flags |= DA_FLAG_DIRTY;
2254                         /* FALLTHROUGH */
2255                 case BIO_READ:
2256                         scsi_read_write(&start_ccb->csio,
2257                                         /*retries*/da_retry_count,
2258                                         /*cbfcnp*/dadone,
2259                                         /*tag_action*/tag_code,
2260                                         /*read_op*/(bp->bio_cmd == BIO_READ ?
2261                                         SCSI_RW_READ : SCSI_RW_WRITE) |
2262                                         ((bp->bio_flags & BIO_UNMAPPED) != 0 ?
2263                                         SCSI_RW_BIO : 0),
2264                                         /*byte2*/0,
2265                                         softc->minimum_cmd_size,
2266                                         /*lba*/bp->bio_pblkno,
2267                                         /*block_count*/bp->bio_bcount /
2268                                         softc->params.secsize,
2269                                         /*data_ptr*/ (bp->bio_flags &
2270                                         BIO_UNMAPPED) != 0 ? (void *)bp :
2271                                         bp->bio_data,
2272                                         /*dxfer_len*/ bp->bio_bcount,
2273                                         /*sense_len*/SSD_FULL_SIZE,
2274                                         da_default_timeout * 1000);
2275                         break;
2276                 case BIO_FLUSH:
2277                         /*
2278                          * BIO_FLUSH doesn't currently communicate
2279                          * range data, so we synchronize the cache
2280                          * over the whole disk.  We also force
2281                          * ordered tag semantics the flush applies
2282                          * to all previously queued I/O.
2283                          */
2284                         scsi_synchronize_cache(&start_ccb->csio,
2285                                                /*retries*/1,
2286                                                /*cbfcnp*/dadone,
2287                                                MSG_ORDERED_Q_TAG,
2288                                                /*begin_lba*/0,
2289                                                /*lb_count*/0,
2290                                                SSD_FULL_SIZE,
2291                                                da_default_timeout*1000);
2292                         break;
2293                 }
2294                 start_ccb->ccb_h.ccb_state = DA_CCB_BUFFER_IO;
2295                 start_ccb->ccb_h.flags |= CAM_UNLOCKED;
2296
2297 out:
2298                 LIST_INSERT_HEAD(&softc->pending_ccbs,
2299                                  &start_ccb->ccb_h, periph_links.le);
2300
2301                 /* We expect a unit attention from this device */
2302                 if ((softc->flags & DA_FLAG_RETRY_UA) != 0) {
2303                         start_ccb->ccb_h.ccb_state |= DA_CCB_RETRY_UA;
2304                         softc->flags &= ~DA_FLAG_RETRY_UA;
2305                 }
2306
2307                 start_ccb->ccb_h.ccb_bp = bp;
2308                 softc->refcount++;
2309                 cam_periph_unlock(periph);
2310                 xpt_action(start_ccb);
2311                 cam_periph_lock(periph);
2312                 softc->refcount--;
2313
2314                 /* May have more work to do, so ensure we stay scheduled */
2315                 daschedule(periph);
2316                 break;
2317         }
2318         case DA_STATE_PROBE_RC:
2319         {
2320                 struct scsi_read_capacity_data *rcap;
2321
2322                 rcap = (struct scsi_read_capacity_data *)
2323                     malloc(sizeof(*rcap), M_SCSIDA, M_NOWAIT|M_ZERO);
2324                 if (rcap == NULL) {
2325                         printf("dastart: Couldn't malloc read_capacity data\n");
2326                         /* da_free_periph??? */
2327                         break;
2328                 }
2329                 scsi_read_capacity(&start_ccb->csio,
2330                                    /*retries*/da_retry_count,
2331                                    dadone,
2332                                    MSG_SIMPLE_Q_TAG,
2333                                    rcap,
2334                                    SSD_FULL_SIZE,
2335                                    /*timeout*/5000);
2336                 start_ccb->ccb_h.ccb_bp = NULL;
2337                 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_RC;
2338                 xpt_action(start_ccb);
2339                 break;
2340         }
2341         case DA_STATE_PROBE_RC16:
2342         {
2343                 struct scsi_read_capacity_data_long *rcaplong;
2344
2345                 rcaplong = (struct scsi_read_capacity_data_long *)
2346                         malloc(sizeof(*rcaplong), M_SCSIDA, M_NOWAIT|M_ZERO);
2347                 if (rcaplong == NULL) {
2348                         printf("dastart: Couldn't malloc read_capacity data\n");
2349                         /* da_free_periph??? */
2350                         break;
2351                 }
2352                 scsi_read_capacity_16(&start_ccb->csio,
2353                                       /*retries*/ da_retry_count,
2354                                       /*cbfcnp*/ dadone,
2355                                       /*tag_action*/ MSG_SIMPLE_Q_TAG,
2356                                       /*lba*/ 0,
2357                                       /*reladr*/ 0,
2358                                       /*pmi*/ 0,
2359                                       /*rcap_buf*/ (uint8_t *)rcaplong,
2360                                       /*rcap_buf_len*/ sizeof(*rcaplong),
2361                                       /*sense_len*/ SSD_FULL_SIZE,
2362                                       /*timeout*/ da_default_timeout * 1000);
2363                 start_ccb->ccb_h.ccb_bp = NULL;
2364                 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_RC16;
2365                 xpt_action(start_ccb);
2366                 break;
2367         }
2368         case DA_STATE_PROBE_LBP:
2369         {
2370                 struct scsi_vpd_logical_block_prov *lbp;
2371
2372                 if (!scsi_vpd_supported_page(periph, SVPD_LBP)) {
2373                         /*
2374                          * If we get here we don't support any SBC-3 delete
2375                          * methods with UNMAP as the Logical Block Provisioning
2376                          * VPD page support is required for devices which
2377                          * support it according to T10/1799-D Revision 31
2378                          * however older revisions of the spec don't mandate
2379                          * this so we currently don't remove these methods
2380                          * from the available set.
2381                          */
2382                         softc->state = DA_STATE_PROBE_BLK_LIMITS;
2383                         goto skipstate;
2384                 }
2385
2386                 lbp = (struct scsi_vpd_logical_block_prov *)
2387                         malloc(sizeof(*lbp), M_SCSIDA, M_NOWAIT|M_ZERO);
2388
2389                 if (lbp == NULL) {
2390                         printf("dastart: Couldn't malloc lbp data\n");
2391                         /* da_free_periph??? */
2392                         break;
2393                 }
2394
2395                 scsi_inquiry(&start_ccb->csio,
2396                              /*retries*/da_retry_count,
2397                              /*cbfcnp*/dadone,
2398                              /*tag_action*/MSG_SIMPLE_Q_TAG,
2399                              /*inq_buf*/(u_int8_t *)lbp,
2400                              /*inq_len*/sizeof(*lbp),
2401                              /*evpd*/TRUE,
2402                              /*page_code*/SVPD_LBP,
2403                              /*sense_len*/SSD_MIN_SIZE,
2404                              /*timeout*/da_default_timeout * 1000);
2405                 start_ccb->ccb_h.ccb_bp = NULL;
2406                 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_LBP;
2407                 xpt_action(start_ccb);
2408                 break;
2409         }
2410         case DA_STATE_PROBE_BLK_LIMITS:
2411         {
2412                 struct scsi_vpd_block_limits *block_limits;
2413
2414                 if (!scsi_vpd_supported_page(periph, SVPD_BLOCK_LIMITS)) {
2415                         /* Not supported skip to next probe */
2416                         softc->state = DA_STATE_PROBE_BDC;
2417                         goto skipstate;
2418                 }
2419
2420                 block_limits = (struct scsi_vpd_block_limits *)
2421                         malloc(sizeof(*block_limits), M_SCSIDA, M_NOWAIT|M_ZERO);
2422
2423                 if (block_limits == NULL) {
2424                         printf("dastart: Couldn't malloc block_limits data\n");
2425                         /* da_free_periph??? */
2426                         break;
2427                 }
2428
2429                 scsi_inquiry(&start_ccb->csio,
2430                              /*retries*/da_retry_count,
2431                              /*cbfcnp*/dadone,
2432                              /*tag_action*/MSG_SIMPLE_Q_TAG,
2433                              /*inq_buf*/(u_int8_t *)block_limits,
2434                              /*inq_len*/sizeof(*block_limits),
2435                              /*evpd*/TRUE,
2436                              /*page_code*/SVPD_BLOCK_LIMITS,
2437                              /*sense_len*/SSD_MIN_SIZE,
2438                              /*timeout*/da_default_timeout * 1000);
2439                 start_ccb->ccb_h.ccb_bp = NULL;
2440                 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_BLK_LIMITS;
2441                 xpt_action(start_ccb);
2442                 break;
2443         }
2444         case DA_STATE_PROBE_BDC:
2445         {
2446                 struct scsi_vpd_block_characteristics *bdc;
2447
2448                 if (!scsi_vpd_supported_page(periph, SVPD_BDC)) {
2449                         softc->state = DA_STATE_PROBE_ATA;
2450                         goto skipstate;
2451                 }
2452
2453                 bdc = (struct scsi_vpd_block_characteristics *)
2454                         malloc(sizeof(*bdc), M_SCSIDA, M_NOWAIT|M_ZERO);
2455
2456                 if (bdc == NULL) {
2457                         printf("dastart: Couldn't malloc bdc data\n");
2458                         /* da_free_periph??? */
2459                         break;
2460                 }
2461
2462                 scsi_inquiry(&start_ccb->csio,
2463                              /*retries*/da_retry_count,
2464                              /*cbfcnp*/dadone,
2465                              /*tag_action*/MSG_SIMPLE_Q_TAG,
2466                              /*inq_buf*/(u_int8_t *)bdc,
2467                              /*inq_len*/sizeof(*bdc),
2468                              /*evpd*/TRUE,
2469                              /*page_code*/SVPD_BDC,
2470                              /*sense_len*/SSD_MIN_SIZE,
2471                              /*timeout*/da_default_timeout * 1000);
2472                 start_ccb->ccb_h.ccb_bp = NULL;
2473                 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_BDC;
2474                 xpt_action(start_ccb);
2475                 break;
2476         }
2477         case DA_STATE_PROBE_ATA:
2478         {
2479                 struct ata_params *ata_params;
2480
2481                 if (!scsi_vpd_supported_page(periph, SVPD_ATA_INFORMATION)) {
2482                         daprobedone(periph, start_ccb);
2483                         break;
2484                 }
2485
2486                 ata_params = (struct ata_params*)
2487                         malloc(sizeof(*ata_params), M_SCSIDA, M_NOWAIT|M_ZERO);
2488
2489                 if (ata_params == NULL) {
2490                         printf("dastart: Couldn't malloc ata_params data\n");
2491                         /* da_free_periph??? */
2492                         break;
2493                 }
2494
2495                 scsi_ata_identify(&start_ccb->csio,
2496                                   /*retries*/da_retry_count,
2497                                   /*cbfcnp*/dadone,
2498                                   /*tag_action*/MSG_SIMPLE_Q_TAG,
2499                                   /*data_ptr*/(u_int8_t *)ata_params,
2500                                   /*dxfer_len*/sizeof(*ata_params),
2501                                   /*sense_len*/SSD_FULL_SIZE,
2502                                   /*timeout*/da_default_timeout * 1000);
2503                 start_ccb->ccb_h.ccb_bp = NULL;
2504                 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_ATA;
2505                 xpt_action(start_ccb);
2506                 break;
2507         }
2508         }
2509 }
2510
2511 /*
2512  * In each of the methods below, while its the caller's
2513  * responsibility to ensure the request will fit into a
2514  * single device request, we might have changed the delete
2515  * method due to the device incorrectly advertising either
2516  * its supported methods or limits.
2517  *
2518  * To prevent this causing further issues we validate the
2519  * against the methods limits, and warn which would
2520  * otherwise be unnecessary.
2521  */
2522 static void
2523 da_delete_unmap(struct cam_periph *periph, union ccb *ccb, struct bio *bp)
2524 {
2525         struct da_softc *softc = (struct da_softc *)periph->softc;;
2526         struct bio *bp1;
2527         uint8_t *buf = softc->unmap_buf;
2528         uint64_t lba, lastlba = (uint64_t)-1;
2529         uint64_t totalcount = 0;
2530         uint64_t count;
2531         uint32_t lastcount = 0, c;
2532         uint32_t off, ranges = 0;
2533
2534         /*
2535          * Currently this doesn't take the UNMAP
2536          * Granularity and Granularity Alignment
2537          * fields into account.
2538          *
2539          * This could result in both unoptimal unmap
2540          * requests as as well as UNMAP calls unmapping
2541          * fewer LBA's than requested.
2542          */
2543
2544         softc->delete_running = 1;
2545         bzero(softc->unmap_buf, sizeof(softc->unmap_buf));
2546         bp1 = bp;
2547         do {
2548                 bioq_remove(&softc->delete_queue, bp1);
2549                 if (bp1 != bp)
2550                         bioq_insert_tail(&softc->delete_run_queue, bp1);
2551                 lba = bp1->bio_pblkno;
2552                 count = bp1->bio_bcount / softc->params.secsize;
2553
2554                 /* Try to extend the previous range. */
2555                 if (lba == lastlba) {
2556                         c = omin(count, UNMAP_RANGE_MAX - lastcount);
2557                         lastcount += c;
2558                         off = ((ranges - 1) * UNMAP_RANGE_SIZE) +
2559                               UNMAP_HEAD_SIZE;
2560                         scsi_ulto4b(lastcount, &buf[off + 8]);
2561                         count -= c;
2562                         lba +=c;
2563                         totalcount += c;
2564                 }
2565
2566                 while (count > 0) {
2567                         c = omin(count, UNMAP_RANGE_MAX);
2568                         if (totalcount + c > softc->unmap_max_lba ||
2569                             ranges >= softc->unmap_max_ranges) {
2570                                 xpt_print(periph->path,
2571                                     "%s issuing short delete %ld > %ld"
2572                                     "|| %d >= %d",
2573                                     da_delete_method_desc[softc->delete_method],
2574                                     totalcount + c, softc->unmap_max_lba,
2575                                     ranges, softc->unmap_max_ranges);
2576                                 break;
2577                         }
2578                         off = (ranges * UNMAP_RANGE_SIZE) + UNMAP_HEAD_SIZE;
2579                         scsi_u64to8b(lba, &buf[off + 0]);
2580                         scsi_ulto4b(c, &buf[off + 8]);
2581                         lba += c;
2582                         totalcount += c;
2583                         ranges++;
2584                         count -= c;
2585                         lastcount = c;
2586                 }
2587                 lastlba = lba;
2588                 bp1 = bioq_first(&softc->delete_queue);
2589                 if (bp1 == NULL || ranges >= softc->unmap_max_ranges ||
2590                     totalcount + bp1->bio_bcount /
2591                     softc->params.secsize > softc->unmap_max_lba)
2592                         break;
2593         } while (1);
2594         scsi_ulto2b(ranges * 16 + 6, &buf[0]);
2595         scsi_ulto2b(ranges * 16, &buf[2]);
2596
2597         scsi_unmap(&ccb->csio,
2598                    /*retries*/da_retry_count,
2599                    /*cbfcnp*/dadone,
2600                    /*tag_action*/MSG_SIMPLE_Q_TAG,
2601                    /*byte2*/0,
2602                    /*data_ptr*/ buf,
2603                    /*dxfer_len*/ ranges * 16 + 8,
2604                    /*sense_len*/SSD_FULL_SIZE,
2605                    da_default_timeout * 1000);
2606         ccb->ccb_h.ccb_state = DA_CCB_DELETE;
2607         ccb->ccb_h.flags |= CAM_UNLOCKED;
2608 }
2609
2610 static void
2611 da_delete_trim(struct cam_periph *periph, union ccb *ccb, struct bio *bp)
2612 {
2613         struct da_softc *softc = (struct da_softc *)periph->softc;
2614         struct bio *bp1;
2615         uint8_t *buf = softc->unmap_buf;
2616         uint64_t lastlba = (uint64_t)-1;
2617         uint64_t count;
2618         uint64_t lba;
2619         uint32_t lastcount = 0, c, requestcount;
2620         int ranges = 0, off, block_count;
2621
2622         softc->delete_running = 1;
2623         bzero(softc->unmap_buf, sizeof(softc->unmap_buf));
2624         bp1 = bp;
2625         do {
2626                 bioq_remove(&softc->delete_queue, bp1);
2627                 if (bp1 != bp)
2628                         bioq_insert_tail(&softc->delete_run_queue, bp1);
2629                 lba = bp1->bio_pblkno;
2630                 count = bp1->bio_bcount / softc->params.secsize;
2631                 requestcount = count;
2632
2633                 /* Try to extend the previous range. */
2634                 if (lba == lastlba) {
2635                         c = min(count, ATA_DSM_RANGE_MAX - lastcount);
2636                         lastcount += c;
2637                         off = (ranges - 1) * 8;
2638                         buf[off + 6] = lastcount & 0xff;
2639                         buf[off + 7] = (lastcount >> 8) & 0xff;
2640                         count -= c;
2641                         lba += c;
2642                 }
2643
2644                 while (count > 0) {
2645                         c = min(count, ATA_DSM_RANGE_MAX);
2646                         off = ranges * 8;
2647
2648                         buf[off + 0] = lba & 0xff;
2649                         buf[off + 1] = (lba >> 8) & 0xff;
2650                         buf[off + 2] = (lba >> 16) & 0xff;
2651                         buf[off + 3] = (lba >> 24) & 0xff;
2652                         buf[off + 4] = (lba >> 32) & 0xff;
2653                         buf[off + 5] = (lba >> 40) & 0xff;
2654                         buf[off + 6] = c & 0xff;
2655                         buf[off + 7] = (c >> 8) & 0xff;
2656                         lba += c;
2657                         ranges++;
2658                         count -= c;
2659                         lastcount = c;
2660                         if (count != 0 && ranges == softc->trim_max_ranges) {
2661                                 xpt_print(periph->path,
2662                                     "%s issuing short delete %ld > %ld\n",
2663                                     da_delete_method_desc[softc->delete_method],
2664                                     requestcount,
2665                                     (softc->trim_max_ranges - ranges) *
2666                                     ATA_DSM_RANGE_MAX);
2667                                 break;
2668                         }
2669                 }
2670                 lastlba = lba;
2671                 bp1 = bioq_first(&softc->delete_queue);
2672                 if (bp1 == NULL || bp1->bio_bcount / softc->params.secsize >
2673                     (softc->trim_max_ranges - ranges) * ATA_DSM_RANGE_MAX)
2674                         break;
2675         } while (1);
2676
2677         block_count = (ranges + ATA_DSM_BLK_RANGES - 1) / ATA_DSM_BLK_RANGES;
2678         scsi_ata_trim(&ccb->csio,
2679                       /*retries*/da_retry_count,
2680                       /*cbfcnp*/dadone,
2681                       /*tag_action*/MSG_SIMPLE_Q_TAG,
2682                       block_count,
2683                       /*data_ptr*/buf,
2684                       /*dxfer_len*/block_count * ATA_DSM_BLK_SIZE,
2685                       /*sense_len*/SSD_FULL_SIZE,
2686                       da_default_timeout * 1000);
2687         ccb->ccb_h.ccb_state = DA_CCB_DELETE;
2688         ccb->ccb_h.flags |= CAM_UNLOCKED;
2689 }
2690
2691 /*
2692  * We calculate ws_max_blks here based off d_delmaxsize instead
2693  * of using softc->ws_max_blks as it is absolute max for the
2694  * device not the protocol max which may well be lower.
2695  */
2696 static void
2697 da_delete_ws(struct cam_periph *periph, union ccb *ccb, struct bio *bp)
2698 {
2699         struct da_softc *softc;
2700         struct bio *bp1;
2701         uint64_t ws_max_blks;
2702         uint64_t lba;
2703         uint64_t count; /* forward compat with WS32 */
2704
2705         softc = (struct da_softc *)periph->softc;
2706         ws_max_blks = softc->disk->d_delmaxsize / softc->params.secsize;
2707         softc->delete_running = 1;
2708         lba = bp->bio_pblkno;
2709         count = 0;
2710         bp1 = bp;
2711         do {
2712                 bioq_remove(&softc->delete_queue, bp1);
2713                 if (bp1 != bp)
2714                         bioq_insert_tail(&softc->delete_run_queue, bp1);
2715                 count += bp1->bio_bcount / softc->params.secsize;
2716                 if (count > ws_max_blks) {
2717                         xpt_print(periph->path,
2718                             "%s issuing short delete %ld > %ld\n",
2719                             da_delete_method_desc[softc->delete_method],
2720                             count, ws_max_blks);
2721                         count = min(count, ws_max_blks);
2722                         break;
2723                 }
2724                 bp1 = bioq_first(&softc->delete_queue);
2725                 if (bp1 == NULL || lba + count != bp1->bio_pblkno ||
2726                     count + bp1->bio_bcount /
2727                     softc->params.secsize > ws_max_blks)
2728                         break;
2729         } while (1);
2730
2731         scsi_write_same(&ccb->csio,
2732                         /*retries*/da_retry_count,
2733                         /*cbfcnp*/dadone,
2734                         /*tag_action*/MSG_SIMPLE_Q_TAG,
2735                         /*byte2*/softc->delete_method ==
2736                             DA_DELETE_ZERO ? 0 : SWS_UNMAP,
2737                         softc->delete_method == DA_DELETE_WS16 ? 16 : 10,
2738                         /*lba*/lba,
2739                         /*block_count*/count,
2740                         /*data_ptr*/ __DECONST(void *, zero_region),
2741                         /*dxfer_len*/ softc->params.secsize,
2742                         /*sense_len*/SSD_FULL_SIZE,
2743                         da_default_timeout * 1000);
2744         ccb->ccb_h.ccb_state = DA_CCB_DELETE;
2745         ccb->ccb_h.flags |= CAM_UNLOCKED;
2746 }
2747
2748 static int
2749 cmd6workaround(union ccb *ccb)
2750 {
2751         struct scsi_rw_6 cmd6;
2752         struct scsi_rw_10 *cmd10;
2753         struct da_softc *softc;
2754         u_int8_t *cdb;
2755         struct bio *bp;
2756         int frozen;
2757
2758         cdb = ccb->csio.cdb_io.cdb_bytes;
2759         softc = (struct da_softc *)xpt_path_periph(ccb->ccb_h.path)->softc;
2760
2761         if (ccb->ccb_h.ccb_state == DA_CCB_DELETE) {
2762                 da_delete_methods old_method = softc->delete_method;
2763
2764                 /*
2765                  * Typically there are two reasons for failure here
2766                  * 1. Delete method was detected as supported but isn't
2767                  * 2. Delete failed due to invalid params e.g. too big
2768                  *
2769                  * While we will attempt to choose an alternative delete method
2770                  * this may result in short deletes if the existing delete
2771                  * requests from geom are big for the new method choosen.
2772                  *
2773                  * This method assumes that the error which triggered this
2774                  * will not retry the io otherwise a panic will occur
2775                  */
2776                 dadeleteflag(softc, old_method, 0);
2777                 dadeletemethodchoose(softc, DA_DELETE_DISABLE);
2778                 if (softc->delete_method == DA_DELETE_DISABLE)
2779                         xpt_print(ccb->ccb_h.path,
2780                                   "%s failed, disabling BIO_DELETE\n",
2781                                   da_delete_method_desc[old_method]);
2782                 else
2783                         xpt_print(ccb->ccb_h.path,
2784                                   "%s failed, switching to %s BIO_DELETE\n",
2785                                   da_delete_method_desc[old_method],
2786                                   da_delete_method_desc[softc->delete_method]);
2787
2788                 if (DA_SIO) {
2789                         while ((bp = bioq_takefirst(&softc->delete_run_queue))
2790                             != NULL)
2791                                 bioq_disksort(&softc->delete_queue, bp);
2792                 } else {
2793                         while ((bp = bioq_takefirst(&softc->delete_run_queue))
2794                             != NULL)
2795                                 bioq_insert_tail(&softc->delete_queue, bp);
2796                 }
2797                 bioq_insert_tail(&softc->delete_queue,
2798                     (struct bio *)ccb->ccb_h.ccb_bp);
2799                 ccb->ccb_h.ccb_bp = NULL;
2800                 return (0);
2801         }
2802
2803         /* Detect unsupported PREVENT ALLOW MEDIUM REMOVAL. */
2804         if ((ccb->ccb_h.flags & CAM_CDB_POINTER) == 0 &&
2805             (*cdb == PREVENT_ALLOW) &&
2806             (softc->quirks & DA_Q_NO_PREVENT) == 0) {
2807                 if (bootverbose)
2808                         xpt_print(ccb->ccb_h.path,
2809                             "PREVENT ALLOW MEDIUM REMOVAL not supported.\n");
2810                 softc->quirks |= DA_Q_NO_PREVENT;
2811                 return (0);
2812         }
2813
2814         /* Detect unsupported SYNCHRONIZE CACHE(10). */
2815         if ((ccb->ccb_h.flags & CAM_CDB_POINTER) == 0 &&
2816             (*cdb == SYNCHRONIZE_CACHE) &&
2817             (softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) {
2818                 if (bootverbose)
2819                         xpt_print(ccb->ccb_h.path,
2820                             "SYNCHRONIZE CACHE(10) not supported.\n");
2821                 softc->quirks |= DA_Q_NO_SYNC_CACHE;
2822                 softc->disk->d_flags &= ~DISKFLAG_CANFLUSHCACHE;
2823                 return (0);
2824         }
2825
2826         /* Translation only possible if CDB is an array and cmd is R/W6 */
2827         if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0 ||
2828             (*cdb != READ_6 && *cdb != WRITE_6))
2829                 return 0;
2830
2831         xpt_print(ccb->ccb_h.path, "READ(6)/WRITE(6) not supported, "
2832             "increasing minimum_cmd_size to 10.\n");
2833         softc->minimum_cmd_size = 10;
2834
2835         bcopy(cdb, &cmd6, sizeof(struct scsi_rw_6));
2836         cmd10 = (struct scsi_rw_10 *)cdb;
2837         cmd10->opcode = (cmd6.opcode == READ_6) ? READ_10 : WRITE_10;
2838         cmd10->byte2 = 0;
2839         scsi_ulto4b(scsi_3btoul(cmd6.addr), cmd10->addr);
2840         cmd10->reserved = 0;
2841         scsi_ulto2b(cmd6.length, cmd10->length);
2842         cmd10->control = cmd6.control;
2843         ccb->csio.cdb_len = sizeof(*cmd10);
2844
2845         /* Requeue request, unfreezing queue if necessary */
2846         frozen = (ccb->ccb_h.status & CAM_DEV_QFRZN) != 0;
2847         ccb->ccb_h.status = CAM_REQUEUE_REQ;
2848         xpt_action(ccb);
2849         if (frozen) {
2850                 cam_release_devq(ccb->ccb_h.path,
2851                                  /*relsim_flags*/0,
2852                                  /*reduction*/0,
2853                                  /*timeout*/0,
2854                                  /*getcount_only*/0);
2855         }
2856         return (ERESTART);
2857 }
2858
2859 static void
2860 dadone(struct cam_periph *periph, union ccb *done_ccb)
2861 {
2862         struct da_softc *softc;
2863         struct ccb_scsiio *csio;
2864         u_int32_t  priority;
2865         da_ccb_state state;
2866
2867         softc = (struct da_softc *)periph->softc;
2868         priority = done_ccb->ccb_h.pinfo.priority;
2869
2870         CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone\n"));
2871
2872         csio = &done_ccb->csio;
2873         state = csio->ccb_h.ccb_state & DA_CCB_TYPE_MASK;
2874         switch (state) {
2875         case DA_CCB_BUFFER_IO:
2876         case DA_CCB_DELETE:
2877         {
2878                 struct bio *bp, *bp1;
2879
2880                 cam_periph_lock(periph);
2881                 bp = (struct bio *)done_ccb->ccb_h.ccb_bp;
2882                 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
2883                         int error;
2884                         int sf;
2885
2886                         if ((csio->ccb_h.ccb_state & DA_CCB_RETRY_UA) != 0)
2887                                 sf = SF_RETRY_UA;
2888                         else
2889                                 sf = 0;
2890
2891                         error = daerror(done_ccb, CAM_RETRY_SELTO, sf);
2892                         if (error == ERESTART) {
2893                                 /*
2894                                  * A retry was scheduled, so
2895                                  * just return.
2896                                  */
2897                                 cam_periph_unlock(periph);
2898                                 return;
2899                         }
2900                         bp = (struct bio *)done_ccb->ccb_h.ccb_bp;
2901                         if (error != 0) {
2902                                 int queued_error;
2903
2904                                 /*
2905                                  * return all queued I/O with EIO, so that
2906                                  * the client can retry these I/Os in the
2907                                  * proper order should it attempt to recover.
2908                                  */
2909                                 queued_error = EIO;
2910
2911                                 if (error == ENXIO
2912                                  && (softc->flags & DA_FLAG_PACK_INVALID)== 0) {
2913                                         /*
2914                                          * Catastrophic error.  Mark our pack as
2915                                          * invalid.
2916                                          */
2917                                         /*
2918                                          * XXX See if this is really a media
2919                                          * XXX change first?
2920                                          */
2921                                         xpt_print(periph->path,
2922                                             "Invalidating pack\n");
2923                                         softc->flags |= DA_FLAG_PACK_INVALID;
2924                                         queued_error = ENXIO;
2925                                 }
2926                                 bioq_flush(&softc->bio_queue, NULL,
2927                                            queued_error);
2928                                 if (bp != NULL) {
2929                                         bp->bio_error = error;
2930                                         bp->bio_resid = bp->bio_bcount;
2931                                         bp->bio_flags |= BIO_ERROR;
2932                                 }
2933                         } else if (bp != NULL) {
2934                                 if (state == DA_CCB_DELETE)
2935                                         bp->bio_resid = 0;
2936                                 else
2937                                         bp->bio_resid = csio->resid;
2938                                 bp->bio_error = 0;
2939                                 if (bp->bio_resid != 0)
2940                                         bp->bio_flags |= BIO_ERROR;
2941                         }
2942                         if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
2943                                 cam_release_devq(done_ccb->ccb_h.path,
2944                                                  /*relsim_flags*/0,
2945                                                  /*reduction*/0,
2946                                                  /*timeout*/0,
2947                                                  /*getcount_only*/0);
2948                 } else if (bp != NULL) {
2949                         if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
2950                                 panic("REQ_CMP with QFRZN");
2951                         if (state == DA_CCB_DELETE)
2952                                 bp->bio_resid = 0;
2953                         else
2954                                 bp->bio_resid = csio->resid;
2955                         if (csio->resid > 0)
2956                                 bp->bio_flags |= BIO_ERROR;
2957                         if (softc->error_inject != 0) {
2958                                 bp->bio_error = softc->error_inject;
2959                                 bp->bio_resid = bp->bio_bcount;
2960                                 bp->bio_flags |= BIO_ERROR;
2961                                 softc->error_inject = 0;
2962                         }
2963                 }
2964
2965                 LIST_REMOVE(&done_ccb->ccb_h, periph_links.le);
2966                 if (LIST_EMPTY(&softc->pending_ccbs))
2967                         softc->flags |= DA_FLAG_WAS_OTAG;
2968
2969                 xpt_release_ccb(done_ccb);
2970                 if (state == DA_CCB_DELETE) {
2971                         TAILQ_HEAD(, bio) queue;
2972
2973                         TAILQ_INIT(&queue);
2974                         TAILQ_CONCAT(&queue, &softc->delete_run_queue.queue, bio_queue);
2975                         softc->delete_run_queue.insert_point = NULL;
2976                         softc->delete_running = 0;
2977                         daschedule(periph);
2978                         cam_periph_unlock(periph);
2979                         while ((bp1 = TAILQ_FIRST(&queue)) != NULL) {
2980                                 TAILQ_REMOVE(&queue, bp1, bio_queue);
2981                                 bp1->bio_error = bp->bio_error;
2982                                 if (bp->bio_flags & BIO_ERROR) {
2983                                         bp1->bio_flags |= BIO_ERROR;
2984                                         bp1->bio_resid = bp1->bio_bcount;
2985                                 } else
2986                                         bp1->bio_resid = 0;
2987                                 biodone(bp1);
2988                         }
2989                 } else
2990                         cam_periph_unlock(periph);
2991                 if (bp != NULL)
2992                         biodone(bp);
2993                 return;
2994         }
2995         case DA_CCB_PROBE_RC:
2996         case DA_CCB_PROBE_RC16:
2997         {
2998                 struct     scsi_read_capacity_data *rdcap;
2999                 struct     scsi_read_capacity_data_long *rcaplong;
3000                 char       announce_buf[80];
3001                 int        lbp;
3002
3003                 lbp = 0;
3004                 rdcap = NULL;
3005                 rcaplong = NULL;
3006                 if (state == DA_CCB_PROBE_RC)
3007                         rdcap =(struct scsi_read_capacity_data *)csio->data_ptr;
3008                 else
3009                         rcaplong = (struct scsi_read_capacity_data_long *)
3010                                 csio->data_ptr;
3011
3012                 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
3013                         struct disk_params *dp;
3014                         uint32_t block_size;
3015                         uint64_t maxsector;
3016                         u_int lbppbe;   /* LB per physical block exponent. */
3017                         u_int lalba;    /* Lowest aligned LBA. */
3018
3019                         if (state == DA_CCB_PROBE_RC) {
3020                                 block_size = scsi_4btoul(rdcap->length);
3021                                 maxsector = scsi_4btoul(rdcap->addr);
3022                                 lbppbe = 0;
3023                                 lalba = 0;
3024
3025                                 /*
3026                                  * According to SBC-2, if the standard 10
3027                                  * byte READ CAPACITY command returns 2^32,
3028                                  * we should issue the 16 byte version of
3029                                  * the command, since the device in question
3030                                  * has more sectors than can be represented
3031                                  * with the short version of the command.
3032                                  */
3033                                 if (maxsector == 0xffffffff) {
3034                                         free(rdcap, M_SCSIDA);
3035                                         xpt_release_ccb(done_ccb);
3036                                         softc->state = DA_STATE_PROBE_RC16;
3037                                         xpt_schedule(periph, priority);
3038                                         return;
3039                                 }
3040                         } else {
3041                                 block_size = scsi_4btoul(rcaplong->length);
3042                                 maxsector = scsi_8btou64(rcaplong->addr);
3043                                 lbppbe = rcaplong->prot_lbppbe & SRC16_LBPPBE;
3044                                 lalba = scsi_2btoul(rcaplong->lalba_lbp);
3045                         }
3046
3047                         /*
3048                          * Because GEOM code just will panic us if we
3049                          * give them an 'illegal' value we'll avoid that
3050                          * here.
3051                          */
3052                         if (block_size == 0 && maxsector == 0) {
3053                                 block_size = 512;
3054                                 maxsector = -1;
3055                         }
3056                         if (block_size >= MAXPHYS || block_size == 0) {
3057                                 xpt_print(periph->path,
3058                                     "unsupportable block size %ju\n",
3059                                     (uintmax_t) block_size);
3060                                 announce_buf[0] = '\0';
3061                                 cam_periph_invalidate(periph);
3062                         } else {
3063                                 /*
3064                                  * We pass rcaplong into dasetgeom(),
3065                                  * because it will only use it if it is
3066                                  * non-NULL.
3067                                  */
3068                                 dasetgeom(periph, block_size, maxsector,
3069                                           rcaplong, sizeof(*rcaplong));
3070                                 lbp = (lalba & SRC16_LBPME_A);
3071                                 dp = &softc->params;
3072                                 snprintf(announce_buf, sizeof(announce_buf),
3073                                         "%juMB (%ju %u byte sectors: %dH %dS/T "
3074                                         "%dC)", (uintmax_t)
3075                                         (((uintmax_t)dp->secsize *
3076                                         dp->sectors) / (1024*1024)),
3077                                         (uintmax_t)dp->sectors,
3078                                         dp->secsize, dp->heads,
3079                                         dp->secs_per_track, dp->cylinders);
3080                         }
3081                 } else {
3082                         int     error;
3083
3084                         announce_buf[0] = '\0';
3085
3086                         /*
3087                          * Retry any UNIT ATTENTION type errors.  They
3088                          * are expected at boot.
3089                          */
3090                         error = daerror(done_ccb, CAM_RETRY_SELTO,
3091                                         SF_RETRY_UA|SF_NO_PRINT);
3092                         if (error == ERESTART) {
3093                                 /*
3094                                  * A retry was scheuled, so
3095                                  * just return.
3096                                  */
3097                                 return;
3098                         } else if (error != 0) {
3099                                 int asc, ascq;
3100                                 int sense_key, error_code;
3101                                 int have_sense;
3102                                 cam_status status;
3103                                 struct ccb_getdev cgd;
3104
3105                                 /* Don't wedge this device's queue */
3106                                 status = done_ccb->ccb_h.status;
3107                                 if ((status & CAM_DEV_QFRZN) != 0)
3108                                         cam_release_devq(done_ccb->ccb_h.path,
3109                                                          /*relsim_flags*/0,
3110                                                          /*reduction*/0,
3111                                                          /*timeout*/0,
3112                                                          /*getcount_only*/0);
3113
3114
3115                                 xpt_setup_ccb(&cgd.ccb_h,
3116                                               done_ccb->ccb_h.path,
3117                                               CAM_PRIORITY_NORMAL);
3118                                 cgd.ccb_h.func_code = XPT_GDEV_TYPE;
3119                                 xpt_action((union ccb *)&cgd);
3120
3121                                 if (scsi_extract_sense_ccb(done_ccb,
3122                                     &error_code, &sense_key, &asc, &ascq))
3123                                         have_sense = TRUE;
3124                                 else
3125                                         have_sense = FALSE;
3126
3127                                 /*
3128                                  * If we tried READ CAPACITY(16) and failed,
3129                                  * fallback to READ CAPACITY(10).
3130                                  */
3131                                 if ((state == DA_CCB_PROBE_RC16) &&
3132                                     (softc->flags & DA_FLAG_CAN_RC16) &&
3133                                     (((csio->ccb_h.status & CAM_STATUS_MASK) ==
3134                                         CAM_REQ_INVALID) ||
3135                                      ((have_sense) &&
3136                                       (error_code == SSD_CURRENT_ERROR) &&
3137                                       (sense_key == SSD_KEY_ILLEGAL_REQUEST)))) {
3138                                         softc->flags &= ~DA_FLAG_CAN_RC16;
3139                                         free(rdcap, M_SCSIDA);
3140                                         xpt_release_ccb(done_ccb);
3141                                         softc->state = DA_STATE_PROBE_RC;
3142                                         xpt_schedule(periph, priority);
3143                                         return;
3144                                 } else
3145                                 /*
3146                                  * Attach to anything that claims to be a
3147                                  * direct access or optical disk device,
3148                                  * as long as it doesn't return a "Logical
3149                                  * unit not supported" (0x25) error.
3150                                  */
3151                                 if ((have_sense) && (asc != 0x25)
3152                                  && (error_code == SSD_CURRENT_ERROR)) {
3153                                         const char *sense_key_desc;
3154                                         const char *asc_desc;
3155
3156                                         dasetgeom(periph, 512, -1, NULL, 0);
3157                                         scsi_sense_desc(sense_key, asc, ascq,
3158                                                         &cgd.inq_data,
3159                                                         &sense_key_desc,
3160                                                         &asc_desc);
3161                                         snprintf(announce_buf,
3162                                             sizeof(announce_buf),
3163                                                 "Attempt to query device "
3164                                                 "size failed: %s, %s",
3165                                                 sense_key_desc,
3166                                                 asc_desc);
3167                                 } else {
3168                                         if (have_sense)
3169                                                 scsi_sense_print(
3170                                                         &done_ccb->csio);
3171                                         else {
3172                                                 xpt_print(periph->path,
3173                                                     "got CAM status %#x\n",
3174                                                     done_ccb->ccb_h.status);
3175                                         }
3176
3177                                         xpt_print(periph->path, "fatal error, "
3178                                             "failed to attach to device\n");
3179
3180                                         /*
3181                                          * Free up resources.
3182                                          */
3183                                         cam_periph_invalidate(periph);
3184                                 }
3185                         }
3186                 }
3187                 free(csio->data_ptr, M_SCSIDA);
3188                 if (announce_buf[0] != '\0' && ((softc->flags & DA_FLAG_PROBED) == 0)) {
3189                         /*
3190                          * Create our sysctl variables, now that we know
3191                          * we have successfully attached.
3192                          */
3193                         /* increase the refcount */
3194                         if (cam_periph_acquire(periph) == CAM_REQ_CMP) {
3195                                 taskqueue_enqueue(taskqueue_thread,
3196                                                   &softc->sysctl_task);
3197                                 xpt_announce_periph(periph, announce_buf);
3198                                 xpt_announce_quirks(periph, softc->quirks,
3199                                     DA_Q_BIT_STRING);
3200                         } else {
3201                                 xpt_print(periph->path, "fatal error, "
3202                                     "could not acquire reference count\n");
3203                         }
3204                 }
3205
3206                 /* Ensure re-probe doesn't see old delete. */
3207                 softc->delete_available = 0;
3208                 if (lbp) {
3209                         /*
3210                          * Based on older SBC-3 spec revisions
3211                          * any of the UNMAP methods "may" be
3212                          * available via LBP given this flag so
3213                          * we flag all of them as availble and
3214                          * then remove those which further
3215                          * probes confirm aren't available
3216                          * later.
3217                          *
3218                          * We could also check readcap(16) p_type
3219                          * flag to exclude one or more invalid
3220                          * write same (X) types here
3221                          */
3222                         dadeleteflag(softc, DA_DELETE_WS16, 1);
3223                         dadeleteflag(softc, DA_DELETE_WS10, 1);
3224                         dadeleteflag(softc, DA_DELETE_ZERO, 1);
3225                         dadeleteflag(softc, DA_DELETE_UNMAP, 1);
3226
3227                         xpt_release_ccb(done_ccb);
3228                         softc->state = DA_STATE_PROBE_LBP;
3229                         xpt_schedule(periph, priority);
3230                         return;
3231                 }
3232
3233                 xpt_release_ccb(done_ccb);
3234                 softc->state = DA_STATE_PROBE_BDC;
3235                 xpt_schedule(periph, priority);
3236                 return;
3237         }
3238         case DA_CCB_PROBE_LBP:
3239         {
3240                 struct scsi_vpd_logical_block_prov *lbp;
3241
3242                 lbp = (struct scsi_vpd_logical_block_prov *)csio->data_ptr;
3243
3244                 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
3245                         /*
3246                          * T10/1799-D Revision 31 states at least one of these
3247                          * must be supported but we don't currently enforce this.
3248                          */
3249                         dadeleteflag(softc, DA_DELETE_WS16,
3250                                      (lbp->flags & SVPD_LBP_WS16));
3251                         dadeleteflag(softc, DA_DELETE_WS10,
3252                                      (lbp->flags & SVPD_LBP_WS10));
3253                         dadeleteflag(softc, DA_DELETE_ZERO,
3254                                      (lbp->flags & SVPD_LBP_WS10));
3255                         dadeleteflag(softc, DA_DELETE_UNMAP,
3256                                      (lbp->flags & SVPD_LBP_UNMAP));
3257
3258                         if (lbp->flags & SVPD_LBP_UNMAP) {
3259                                 free(lbp, M_SCSIDA);
3260                                 xpt_release_ccb(done_ccb);
3261                                 softc->state = DA_STATE_PROBE_BLK_LIMITS;
3262                                 xpt_schedule(periph, priority);
3263                                 return;
3264                         }
3265                 } else {
3266                         int error;
3267                         error = daerror(done_ccb, CAM_RETRY_SELTO,
3268                                         SF_RETRY_UA|SF_NO_PRINT);
3269                         if (error == ERESTART)
3270                                 return;
3271                         else if (error != 0) {
3272                                 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
3273                                         /* Don't wedge this device's queue */
3274                                         cam_release_devq(done_ccb->ccb_h.path,
3275                                                          /*relsim_flags*/0,
3276                                                          /*reduction*/0,
3277                                                          /*timeout*/0,
3278                                                          /*getcount_only*/0);
3279                                 }
3280
3281                                 /*
3282                                  * Failure indicates we don't support any SBC-3
3283                                  * delete methods with UNMAP
3284                                  */
3285                         }
3286                 }
3287
3288                 free(lbp, M_SCSIDA);
3289                 xpt_release_ccb(done_ccb);
3290                 softc->state = DA_STATE_PROBE_BDC;
3291                 xpt_schedule(periph, priority);
3292                 return;
3293         }
3294         case DA_CCB_PROBE_BLK_LIMITS:
3295         {
3296                 struct scsi_vpd_block_limits *block_limits;
3297
3298                 block_limits = (struct scsi_vpd_block_limits *)csio->data_ptr;
3299
3300                 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
3301                         uint32_t max_unmap_lba_cnt = scsi_4btoul(
3302                                 block_limits->max_unmap_lba_cnt);
3303                         uint32_t max_unmap_blk_cnt = scsi_4btoul(
3304                                 block_limits->max_unmap_blk_cnt);
3305                         uint64_t ws_max_blks = scsi_8btou64(
3306                                 block_limits->max_write_same_length);
3307                         /*
3308                          * We should already support UNMAP but we check lba
3309                          * and block count to be sure
3310                          */
3311                         if (max_unmap_lba_cnt != 0x00L &&
3312                             max_unmap_blk_cnt != 0x00L) {
3313                                 softc->unmap_max_lba = max_unmap_lba_cnt;
3314                                 softc->unmap_max_ranges = min(max_unmap_blk_cnt,
3315                                         UNMAP_MAX_RANGES);
3316                         } else {
3317                                 /*
3318                                  * Unexpected UNMAP limits which means the
3319                                  * device doesn't actually support UNMAP
3320                                  */
3321                                 dadeleteflag(softc, DA_DELETE_UNMAP, 0);
3322                         }
3323
3324                         if (ws_max_blks != 0x00L)
3325                                 softc->ws_max_blks = ws_max_blks;
3326                 } else {
3327                         int error;
3328                         error = daerror(done_ccb, CAM_RETRY_SELTO,
3329                                         SF_RETRY_UA|SF_NO_PRINT);
3330                         if (error == ERESTART)
3331                                 return;
3332                         else if (error != 0) {
3333                                 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
3334                                         /* Don't wedge this device's queue */
3335                                         cam_release_devq(done_ccb->ccb_h.path,
3336                                                          /*relsim_flags*/0,
3337                                                          /*reduction*/0,
3338                                                          /*timeout*/0,
3339                                                          /*getcount_only*/0);
3340                                 }
3341
3342                                 /*
3343                                  * Failure here doesn't mean UNMAP is not
3344                                  * supported as this is an optional page.
3345                                  */
3346                                 softc->unmap_max_lba = 1;
3347                                 softc->unmap_max_ranges = 1;
3348                         }
3349                 }
3350
3351                 free(block_limits, M_SCSIDA);
3352                 xpt_release_ccb(done_ccb);
3353                 softc->state = DA_STATE_PROBE_BDC;
3354                 xpt_schedule(periph, priority);
3355                 return;
3356         }
3357         case DA_CCB_PROBE_BDC:
3358         {
3359                 struct scsi_vpd_block_characteristics *bdc;
3360
3361                 bdc = (struct scsi_vpd_block_characteristics *)csio->data_ptr;
3362
3363                 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
3364                         /*
3365                          * Disable queue sorting for non-rotational media
3366                          * by default.
3367                          */
3368                         u_int16_t old_rate = softc->disk->d_rotation_rate;
3369
3370                         softc->disk->d_rotation_rate =
3371                                 scsi_2btoul(bdc->medium_rotation_rate);
3372                         if (softc->disk->d_rotation_rate ==
3373                             SVPD_BDC_RATE_NON_ROTATING) {
3374                                 softc->sort_io_queue = 0;
3375                         }
3376                         if (softc->disk->d_rotation_rate != old_rate) {
3377                                 disk_attr_changed(softc->disk,
3378                                     "GEOM::rotation_rate", M_NOWAIT);
3379                         }
3380                 } else {
3381                         int error;
3382                         error = daerror(done_ccb, CAM_RETRY_SELTO,
3383                                         SF_RETRY_UA|SF_NO_PRINT);
3384                         if (error == ERESTART)
3385                                 return;
3386                         else if (error != 0) {
3387                                 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
3388                                         /* Don't wedge this device's queue */
3389                                         cam_release_devq(done_ccb->ccb_h.path,
3390                                                          /*relsim_flags*/0,
3391                                                          /*reduction*/0,
3392                                                          /*timeout*/0,
3393                                                          /*getcount_only*/0);
3394                                 }
3395                         }
3396                 }
3397
3398                 free(bdc, M_SCSIDA);
3399                 xpt_release_ccb(done_ccb);
3400                 softc->state = DA_STATE_PROBE_ATA;
3401                 xpt_schedule(periph, priority);
3402                 return;
3403         }
3404         case DA_CCB_PROBE_ATA:
3405         {
3406                 int i;
3407                 struct ata_params *ata_params;
3408                 int16_t *ptr;
3409
3410                 ata_params = (struct ata_params *)csio->data_ptr;
3411                 ptr = (uint16_t *)ata_params;
3412
3413                 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
3414                         uint16_t old_rate;
3415
3416                         for (i = 0; i < sizeof(*ata_params) / 2; i++)
3417                                 ptr[i] = le16toh(ptr[i]);
3418                         if (ata_params->support_dsm & ATA_SUPPORT_DSM_TRIM) {
3419                                 dadeleteflag(softc, DA_DELETE_ATA_TRIM, 1);
3420                                 if (ata_params->max_dsm_blocks != 0)
3421                                         softc->trim_max_ranges = min(
3422                                           softc->trim_max_ranges,
3423                                           ata_params->max_dsm_blocks *
3424                                           ATA_DSM_BLK_RANGES);
3425                         }
3426                         /*
3427                          * Disable queue sorting for non-rotational media
3428                          * by default.
3429                          */
3430                         old_rate = softc->disk->d_rotation_rate;
3431                         softc->disk->d_rotation_rate =
3432                             ata_params->media_rotation_rate;
3433                         if (softc->disk->d_rotation_rate ==
3434                             ATA_RATE_NON_ROTATING) {
3435                                 softc->sort_io_queue = 0;
3436                         }
3437
3438                         if (softc->disk->d_rotation_rate != old_rate) {
3439                                 disk_attr_changed(softc->disk,
3440                                     "GEOM::rotation_rate", M_NOWAIT);
3441                         }
3442                 } else {
3443                         int error;
3444                         error = daerror(done_ccb, CAM_RETRY_SELTO,
3445                                         SF_RETRY_UA|SF_NO_PRINT);
3446                         if (error == ERESTART)
3447                                 return;
3448                         else if (error != 0) {
3449                                 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
3450                                         /* Don't wedge this device's queue */
3451                                         cam_release_devq(done_ccb->ccb_h.path,
3452                                                          /*relsim_flags*/0,
3453                                                          /*reduction*/0,
3454                                                          /*timeout*/0,
3455                                                          /*getcount_only*/0);
3456                                 }
3457                         }
3458                 }
3459
3460                 free(ata_params, M_SCSIDA);
3461                 daprobedone(periph, done_ccb);
3462                 return;
3463         }
3464         case DA_CCB_DUMP:
3465                 /* No-op.  We're polling */
3466                 return;
3467         case DA_CCB_TUR:
3468         {
3469                 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
3470
3471                         if (daerror(done_ccb, CAM_RETRY_SELTO,
3472                             SF_RETRY_UA | SF_NO_RECOVERY | SF_NO_PRINT) ==
3473                             ERESTART)
3474                                 return;
3475                         if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
3476                                 cam_release_devq(done_ccb->ccb_h.path,
3477                                                  /*relsim_flags*/0,
3478                                                  /*reduction*/0,
3479                                                  /*timeout*/0,
3480                                                  /*getcount_only*/0);
3481                 }
3482                 xpt_release_ccb(done_ccb);
3483                 cam_periph_release_locked(periph);
3484                 return;
3485         }
3486         default:
3487                 break;
3488         }
3489         xpt_release_ccb(done_ccb);
3490 }
3491
3492 static void
3493 dareprobe(struct cam_periph *periph)
3494 {
3495         struct da_softc   *softc;
3496         cam_status status;
3497
3498         softc = (struct da_softc *)periph->softc;
3499
3500         /* Probe in progress; don't interfere. */
3501         if (softc->state != DA_STATE_NORMAL)
3502                 return;
3503
3504         status = cam_periph_acquire(periph);
3505         KASSERT(status == CAM_REQ_CMP,
3506             ("dareprobe: cam_periph_acquire failed"));
3507
3508         if (softc->flags & DA_FLAG_CAN_RC16)
3509                 softc->state = DA_STATE_PROBE_RC16;
3510         else
3511                 softc->state = DA_STATE_PROBE_RC;
3512
3513         xpt_schedule(periph, CAM_PRIORITY_DEV);
3514 }
3515
3516 static int
3517 daerror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags)
3518 {
3519         struct da_softc   *softc;
3520         struct cam_periph *periph;
3521         int error, error_code, sense_key, asc, ascq;
3522
3523         periph = xpt_path_periph(ccb->ccb_h.path);
3524         softc = (struct da_softc *)periph->softc;
3525
3526         /*
3527          * Automatically detect devices that do not support
3528          * READ(6)/WRITE(6) and upgrade to using 10 byte cdbs.
3529          */
3530         error = 0;
3531         if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INVALID) {
3532                 error = cmd6workaround(ccb);
3533         } else if (scsi_extract_sense_ccb(ccb,
3534             &error_code, &sense_key, &asc, &ascq)) {
3535                 if (sense_key == SSD_KEY_ILLEGAL_REQUEST)
3536                         error = cmd6workaround(ccb);
3537                 /*
3538                  * If the target replied with CAPACITY DATA HAS CHANGED UA,
3539                  * query the capacity and notify upper layers.
3540                  */
3541                 else if (sense_key == SSD_KEY_UNIT_ATTENTION &&
3542                     asc == 0x2A && ascq == 0x09) {
3543                         xpt_print(periph->path, "capacity data has changed\n");
3544                         dareprobe(periph);
3545                         sense_flags |= SF_NO_PRINT;
3546                 } else if (sense_key == SSD_KEY_UNIT_ATTENTION &&
3547                     asc == 0x28 && ascq == 0x00)
3548                         disk_media_changed(softc->disk, M_NOWAIT);
3549                 else if (sense_key == SSD_KEY_NOT_READY &&
3550                     asc == 0x3a && (softc->flags & DA_FLAG_PACK_INVALID) == 0) {
3551                         softc->flags |= DA_FLAG_PACK_INVALID;
3552                         disk_media_gone(softc->disk, M_NOWAIT);
3553                 }
3554         }
3555         if (error == ERESTART)
3556                 return (ERESTART);
3557
3558         /*
3559          * XXX
3560          * Until we have a better way of doing pack validation,
3561          * don't treat UAs as errors.
3562          */
3563         sense_flags |= SF_RETRY_UA;
3564         return(cam_periph_error(ccb, cam_flags, sense_flags,
3565                                 &softc->saved_ccb));
3566 }
3567
3568 static void
3569 damediapoll(void *arg)
3570 {
3571         struct cam_periph *periph = arg;
3572         struct da_softc *softc = periph->softc;
3573
3574         if (!softc->tur && LIST_EMPTY(&softc->pending_ccbs)) {
3575                 if (cam_periph_acquire(periph) == CAM_REQ_CMP) {
3576                         softc->tur = 1;
3577                         daschedule(periph);
3578                 }
3579         }
3580         /* Queue us up again */
3581         if (da_poll_period != 0)
3582                 callout_schedule(&softc->mediapoll_c, da_poll_period * hz);
3583 }
3584
3585 static void
3586 daprevent(struct cam_periph *periph, int action)
3587 {
3588         struct  da_softc *softc;
3589         union   ccb *ccb;
3590         int     error;
3591
3592         softc = (struct da_softc *)periph->softc;
3593
3594         if (((action == PR_ALLOW)
3595           && (softc->flags & DA_FLAG_PACK_LOCKED) == 0)
3596          || ((action == PR_PREVENT)
3597           && (softc->flags & DA_FLAG_PACK_LOCKED) != 0)) {
3598                 return;
3599         }
3600
3601         ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
3602
3603         scsi_prevent(&ccb->csio,
3604                      /*retries*/1,
3605                      /*cbcfp*/dadone,
3606                      MSG_SIMPLE_Q_TAG,
3607                      action,
3608                      SSD_FULL_SIZE,
3609                      5000);
3610
3611         error = cam_periph_runccb(ccb, daerror, CAM_RETRY_SELTO,
3612             SF_RETRY_UA | SF_NO_PRINT, softc->disk->d_devstat);
3613
3614         if (error == 0) {
3615                 if (action == PR_ALLOW)
3616                         softc->flags &= ~DA_FLAG_PACK_LOCKED;
3617                 else
3618                         softc->flags |= DA_FLAG_PACK_LOCKED;
3619         }
3620
3621         xpt_release_ccb(ccb);
3622 }
3623
3624 static void
3625 dasetgeom(struct cam_periph *periph, uint32_t block_len, uint64_t maxsector,
3626           struct scsi_read_capacity_data_long *rcaplong, size_t rcap_len)
3627 {
3628         struct ccb_calc_geometry ccg;
3629         struct da_softc *softc;
3630         struct disk_params *dp;
3631         u_int lbppbe, lalba;
3632         int error;
3633
3634         softc = (struct da_softc *)periph->softc;
3635
3636         dp = &softc->params;
3637         dp->secsize = block_len;
3638         dp->sectors = maxsector + 1;
3639         if (rcaplong != NULL) {
3640                 lbppbe = rcaplong->prot_lbppbe & SRC16_LBPPBE;
3641                 lalba = scsi_2btoul(rcaplong->lalba_lbp);
3642                 lalba &= SRC16_LALBA_A;
3643         } else {
3644                 lbppbe = 0;
3645                 lalba = 0;
3646         }
3647
3648         if (lbppbe > 0) {
3649                 dp->stripesize = block_len << lbppbe;
3650                 dp->stripeoffset = (dp->stripesize - block_len * lalba) %
3651                     dp->stripesize;
3652         } else if (softc->quirks & DA_Q_4K) {
3653                 dp->stripesize = 4096;
3654                 dp->stripeoffset = 0;
3655         } else {
3656                 dp->stripesize = 0;
3657                 dp->stripeoffset = 0;
3658         }
3659         /*
3660          * Have the controller provide us with a geometry
3661          * for this disk.  The only time the geometry
3662          * matters is when we boot and the controller
3663          * is the only one knowledgeable enough to come
3664          * up with something that will make this a bootable
3665          * device.
3666          */
3667         xpt_setup_ccb(&ccg.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
3668         ccg.ccb_h.func_code = XPT_CALC_GEOMETRY;
3669         ccg.block_size = dp->secsize;
3670         ccg.volume_size = dp->sectors;
3671         ccg.heads = 0;
3672         ccg.secs_per_track = 0;
3673         ccg.cylinders = 0;
3674         xpt_action((union ccb*)&ccg);
3675         if ((ccg.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
3676                 /*
3677                  * We don't know what went wrong here- but just pick
3678                  * a geometry so we don't have nasty things like divide
3679                  * by zero.
3680                  */
3681                 dp->heads = 255;
3682                 dp->secs_per_track = 255;
3683                 dp->cylinders = dp->sectors / (255 * 255);
3684                 if (dp->cylinders == 0) {
3685                         dp->cylinders = 1;
3686                 }
3687         } else {
3688                 dp->heads = ccg.heads;
3689                 dp->secs_per_track = ccg.secs_per_track;
3690                 dp->cylinders = ccg.cylinders;
3691         }
3692
3693         /*
3694          * If the user supplied a read capacity buffer, and if it is
3695          * different than the previous buffer, update the data in the EDT.
3696          * If it's the same, we don't bother.  This avoids sending an
3697          * update every time someone opens this device.
3698          */
3699         if ((rcaplong != NULL)
3700          && (bcmp(rcaplong, &softc->rcaplong,
3701                   min(sizeof(softc->rcaplong), rcap_len)) != 0)) {
3702                 struct ccb_dev_advinfo cdai;
3703
3704                 xpt_setup_ccb(&cdai.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
3705                 cdai.ccb_h.func_code = XPT_DEV_ADVINFO;
3706                 cdai.buftype = CDAI_TYPE_RCAPLONG;
3707                 cdai.flags |= CDAI_FLAG_STORE;
3708                 cdai.bufsiz = rcap_len;
3709                 cdai.buf = (uint8_t *)rcaplong;
3710                 xpt_action((union ccb *)&cdai);
3711                 if ((cdai.ccb_h.status & CAM_DEV_QFRZN) != 0)
3712                         cam_release_devq(cdai.ccb_h.path, 0, 0, 0, FALSE);
3713                 if (cdai.ccb_h.status != CAM_REQ_CMP) {
3714                         xpt_print(periph->path, "%s: failed to set read "
3715                                   "capacity advinfo\n", __func__);
3716                         /* Use cam_error_print() to decode the status */
3717                         cam_error_print((union ccb *)&cdai, CAM_ESF_CAM_STATUS,
3718                                         CAM_EPF_ALL);
3719                 } else {
3720                         bcopy(rcaplong, &softc->rcaplong,
3721                               min(sizeof(softc->rcaplong), rcap_len));
3722                 }
3723         }
3724
3725         softc->disk->d_sectorsize = softc->params.secsize;
3726         softc->disk->d_mediasize = softc->params.secsize * (off_t)softc->params.sectors;
3727         softc->disk->d_stripesize = softc->params.stripesize;
3728         softc->disk->d_stripeoffset = softc->params.stripeoffset;
3729         /* XXX: these are not actually "firmware" values, so they may be wrong */
3730         softc->disk->d_fwsectors = softc->params.secs_per_track;
3731         softc->disk->d_fwheads = softc->params.heads;
3732         softc->disk->d_devstat->block_size = softc->params.secsize;
3733         softc->disk->d_devstat->flags &= ~DEVSTAT_BS_UNAVAILABLE;
3734
3735         error = disk_resize(softc->disk, M_NOWAIT);
3736         if (error != 0)
3737                 xpt_print(periph->path, "disk_resize(9) failed, error = %d\n", error);
3738 }
3739
3740 static void
3741 dasendorderedtag(void *arg)
3742 {
3743         struct da_softc *softc = arg;
3744
3745         if (da_send_ordered) {
3746                 if (!LIST_EMPTY(&softc->pending_ccbs)) {
3747                         if ((softc->flags & DA_FLAG_WAS_OTAG) == 0)
3748                                 softc->flags |= DA_FLAG_NEED_OTAG;
3749                         softc->flags &= ~DA_FLAG_WAS_OTAG;
3750                 }
3751         }
3752         /* Queue us up again */
3753         callout_reset(&softc->sendordered_c,
3754             (da_default_timeout * hz) / DA_ORDEREDTAG_INTERVAL,
3755             dasendorderedtag, softc);
3756 }
3757
3758 /*
3759  * Step through all DA peripheral drivers, and if the device is still open,
3760  * sync the disk cache to physical media.
3761  */
3762 static void
3763 dashutdown(void * arg, int howto)
3764 {
3765         struct cam_periph *periph;
3766         struct da_softc *softc;
3767         union ccb *ccb;
3768         int error;
3769
3770         CAM_PERIPH_FOREACH(periph, &dadriver) {
3771                 softc = (struct da_softc *)periph->softc;
3772                 if (SCHEDULER_STOPPED()) {
3773                         /* If we paniced with the lock held, do not recurse. */
3774                         if (!cam_periph_owned(periph) &&
3775                             (softc->flags & DA_FLAG_OPEN)) {
3776                                 dadump(softc->disk, NULL, 0, 0, 0);
3777                         }
3778                         continue;
3779                 }
3780                 cam_periph_lock(periph);
3781
3782                 /*
3783                  * We only sync the cache if the drive is still open, and
3784                  * if the drive is capable of it..
3785                  */
3786                 if (((softc->flags & DA_FLAG_OPEN) == 0)
3787                  || (softc->quirks & DA_Q_NO_SYNC_CACHE)) {
3788                         cam_periph_unlock(periph);
3789                         continue;
3790                 }
3791
3792                 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
3793                 scsi_synchronize_cache(&ccb->csio,
3794                                        /*retries*/0,
3795                                        /*cbfcnp*/dadone,
3796                                        MSG_SIMPLE_Q_TAG,
3797                                        /*begin_lba*/0, /* whole disk */
3798                                        /*lb_count*/0,
3799                                        SSD_FULL_SIZE,
3800                                        60 * 60 * 1000);
3801
3802                 error = cam_periph_runccb(ccb, daerror, /*cam_flags*/0,
3803                     /*sense_flags*/ SF_NO_RECOVERY | SF_NO_RETRY | SF_QUIET_IR,
3804                     softc->disk->d_devstat);
3805                 if (error != 0)
3806                         xpt_print(periph->path, "Synchronize cache failed\n");
3807                 xpt_release_ccb(ccb);
3808                 cam_periph_unlock(periph);
3809         }
3810 }
3811
3812 #else /* !_KERNEL */
3813
3814 /*
3815  * XXX This is only left out of the kernel build to silence warnings.  If,
3816  * for some reason this function is used in the kernel, the ifdefs should
3817  * be moved so it is included both in the kernel and userland.
3818  */
3819 void
3820 scsi_format_unit(struct ccb_scsiio *csio, u_int32_t retries,
3821                  void (*cbfcnp)(struct cam_periph *, union ccb *),
3822                  u_int8_t tag_action, u_int8_t byte2, u_int16_t ileave,
3823                  u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len,
3824                  u_int32_t timeout)
3825 {
3826         struct scsi_format_unit *scsi_cmd;
3827
3828         scsi_cmd = (struct scsi_format_unit *)&csio->cdb_io.cdb_bytes;
3829         scsi_cmd->opcode = FORMAT_UNIT;
3830         scsi_cmd->byte2 = byte2;
3831         scsi_ulto2b(ileave, scsi_cmd->interleave);
3832
3833         cam_fill_csio(csio,
3834                       retries,
3835                       cbfcnp,
3836                       /*flags*/ (dxfer_len > 0) ? CAM_DIR_OUT : CAM_DIR_NONE,
3837                       tag_action,
3838                       data_ptr,
3839                       dxfer_len,
3840                       sense_len,
3841                       sizeof(*scsi_cmd),
3842                       timeout);
3843 }
3844
3845 void
3846 scsi_sanitize(struct ccb_scsiio *csio, u_int32_t retries,
3847               void (*cbfcnp)(struct cam_periph *, union ccb *),
3848               u_int8_t tag_action, u_int8_t byte2, u_int16_t control,
3849               u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len,
3850               u_int32_t timeout)
3851 {
3852         struct scsi_sanitize *scsi_cmd;
3853
3854         scsi_cmd = (struct scsi_sanitize *)&csio->cdb_io.cdb_bytes;
3855         scsi_cmd->opcode = SANITIZE;
3856         scsi_cmd->byte2 = byte2;
3857         scsi_cmd->control = control;
3858         scsi_ulto2b(dxfer_len, scsi_cmd->length);
3859
3860         cam_fill_csio(csio,
3861                       retries,
3862                       cbfcnp,
3863                       /*flags*/ (dxfer_len > 0) ? CAM_DIR_OUT : CAM_DIR_NONE,
3864                       tag_action,
3865                       data_ptr,
3866                       dxfer_len,
3867                       sense_len,
3868                       sizeof(*scsi_cmd),
3869                       timeout);
3870 }
3871
3872 #endif /* _KERNEL */