sys/cam/scsi/scsi_da.c

   1 /*-
   2  * Implementation of SCSI Direct Access Peripheral driver for CAM.
   3  *
   4  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
   5  *
   6  * Copyright (c) 1997 Justin T. Gibbs.
   7  * All rights reserved.
   8  *
   9  * Redistribution and use in source and binary forms, with or without
  10  * modification, are permitted provided that the following conditions
  11  * are met:
  12  * 1. Redistributions of source code must retain the above copyright
  13  *    notice, this list of conditions, and the following disclaimer,
  14  *    without modification, immediately at the beginning of the file.
  15  * 2. The name of the author may not be used to endorse or promote products
  16  *    derived from this software without specific prior written permission.
  17  *
  18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  19  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  21  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
  22  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  23  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  24  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  25  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  26  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  27  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  28  * SUCH DAMAGE.
  29  */
  30
  31 #include <sys/cdefs.h>
  32 __FBSDID("$FreeBSD$");
  33
  34 #include <sys/param.h>
  35
  36 #ifdef _KERNEL
  37 #include "opt_da.h"
  38 #include <sys/systm.h>
  39 #include <sys/kernel.h>
  40 #include <sys/bio.h>
  41 #include <sys/sysctl.h>
  42 #include <sys/taskqueue.h>
  43 #include <sys/lock.h>
  44 #include <sys/mutex.h>
  45 #include <sys/conf.h>
  46 #include <sys/devicestat.h>
  47 #include <sys/eventhandler.h>
  48 #include <sys/malloc.h>
  49 #include <sys/cons.h>
  50 #include <sys/endian.h>
  51 #include <sys/proc.h>
  52 #include <sys/sbuf.h>
  53 #include <geom/geom.h>
  54 #include <geom/geom_disk.h>
  55 #include <machine/atomic.h>
  56 #endif /* _KERNEL */
  57
  58 #ifndef _KERNEL
  59 #include <stdio.h>
  60 #include <string.h>
  61 #endif /* _KERNEL */
  62
  63 #include <cam/cam.h>
  64 #include <cam/cam_ccb.h>
  65 #include <cam/cam_periph.h>
  66 #include <cam/cam_xpt_periph.h>
  67 #include <cam/cam_sim.h>
  68 #include <cam/cam_iosched.h>
  69
  70 #include <cam/scsi/scsi_message.h>
  71 #include <cam/scsi/scsi_da.h>
  72
  73 #ifdef _KERNEL
  74 /*
  75  * Note that there are probe ordering dependencies here.  The order isn't
  76  * controlled by this enumeration, but by explicit state transitions in
  77  * dastart() and dadone().  Here are some of the dependencies:
  78  *
  79  * 1. RC should come first, before RC16, unless there is evidence that RC16
  80  *    is supported.
  81  * 2. BDC needs to come before any of the ATA probes, or the ZONE probe.
  82  * 3. The ATA probes should go in this order:
  83  *    ATA -> LOGDIR -> IDDIR -> SUP -> ATA_ZONE
  84  */
  85 typedef enum {
  86         DA_STATE_PROBE_WP,
  87         DA_STATE_PROBE_RC,
  88         DA_STATE_PROBE_RC16,
  89         DA_STATE_PROBE_LBP,
  90         DA_STATE_PROBE_BLK_LIMITS,
  91         DA_STATE_PROBE_BDC,
  92         DA_STATE_PROBE_ATA,
  93         DA_STATE_PROBE_ATA_LOGDIR,
  94         DA_STATE_PROBE_ATA_IDDIR,
  95         DA_STATE_PROBE_ATA_SUP,
  96         DA_STATE_PROBE_ATA_ZONE,
  97         DA_STATE_PROBE_ZONE,
  98         DA_STATE_NORMAL
  99 } da_state;
 100
 101 typedef enum {
 102         DA_FLAG_PACK_INVALID    = 0x000001,
 103         DA_FLAG_NEW_PACK        = 0x000002,
 104         DA_FLAG_PACK_LOCKED     = 0x000004,
 105         DA_FLAG_PACK_REMOVABLE  = 0x000008,
 106         DA_FLAG_NEED_OTAG       = 0x000020,
 107         DA_FLAG_WAS_OTAG        = 0x000040,
 108         DA_FLAG_RETRY_UA        = 0x000080,
 109         DA_FLAG_OPEN            = 0x000100,
 110         DA_FLAG_SCTX_INIT       = 0x000200,
 111         DA_FLAG_CAN_RC16        = 0x000400,
 112         DA_FLAG_PROBED          = 0x000800,
 113         DA_FLAG_DIRTY           = 0x001000,
 114         DA_FLAG_ANNOUNCED       = 0x002000,
 115         DA_FLAG_CAN_ATA_DMA     = 0x004000,
 116         DA_FLAG_CAN_ATA_LOG     = 0x008000,
 117         DA_FLAG_CAN_ATA_IDLOG   = 0x010000,
 118         DA_FLAG_CAN_ATA_SUPCAP  = 0x020000,
 119         DA_FLAG_CAN_ATA_ZONE    = 0x040000,
 120         DA_FLAG_TUR_PENDING     = 0x080000
 121 } da_flags;
 122
 123 typedef enum {
 124         DA_Q_NONE               = 0x00,
 125         DA_Q_NO_SYNC_CACHE      = 0x01,
 126         DA_Q_NO_6_BYTE          = 0x02,
 127         DA_Q_NO_PREVENT         = 0x04,
 128         DA_Q_4K                 = 0x08,
 129         DA_Q_NO_RC16            = 0x10,
 130         DA_Q_NO_UNMAP           = 0x20,
 131         DA_Q_RETRY_BUSY         = 0x40,
 132         DA_Q_SMR_DM             = 0x80,
 133         DA_Q_STRICT_UNMAP       = 0x100,
 134         DA_Q_128KB              = 0x200
 135 } da_quirks;
 136
 137 #define DA_Q_BIT_STRING         \
 138         "\020"                  \
 139         "\001NO_SYNC_CACHE"     \
 140         "\002NO_6_BYTE"         \
 141         "\003NO_PREVENT"        \
 142         "\0044K"                \
 143         "\005NO_RC16"           \
 144         "\006NO_UNMAP"          \
 145         "\007RETRY_BUSY"        \
 146         "\010SMR_DM"            \
 147         "\011STRICT_UNMAP"      \
 148         "\012128KB"
 149
 150 typedef enum {
 151         DA_CCB_PROBE_RC         = 0x01,
 152         DA_CCB_PROBE_RC16       = 0x02,
 153         DA_CCB_PROBE_LBP        = 0x03,
 154         DA_CCB_PROBE_BLK_LIMITS = 0x04,
 155         DA_CCB_PROBE_BDC        = 0x05,
 156         DA_CCB_PROBE_ATA        = 0x06,
 157         DA_CCB_BUFFER_IO        = 0x07,
 158         DA_CCB_DUMP             = 0x0A,
 159         DA_CCB_DELETE           = 0x0B,
 160         DA_CCB_TUR              = 0x0C,
 161         DA_CCB_PROBE_ZONE       = 0x0D,
 162         DA_CCB_PROBE_ATA_LOGDIR = 0x0E,
 163         DA_CCB_PROBE_ATA_IDDIR  = 0x0F,
 164         DA_CCB_PROBE_ATA_SUP    = 0x10,
 165         DA_CCB_PROBE_ATA_ZONE   = 0x11,
 166         DA_CCB_PROBE_WP         = 0x12,
 167         DA_CCB_TYPE_MASK        = 0x1F,
 168         DA_CCB_RETRY_UA         = 0x20
 169 } da_ccb_state;
 170
 171 /*
 172  * Order here is important for method choice
 173  *
 174  * We prefer ATA_TRIM as tests run against a Sandforce 2281 SSD attached to
 175  * LSI 2008 (mps) controller (FW: v12, Drv: v14) resulted 20% quicker deletes
 176  * using ATA_TRIM than the corresponding UNMAP results for a real world mysql
 177  * import taking 5mins.
 178  *
 179  */
 180 typedef enum {
 181         DA_DELETE_NONE,
 182         DA_DELETE_DISABLE,
 183         DA_DELETE_ATA_TRIM,
 184         DA_DELETE_UNMAP,
 185         DA_DELETE_WS16,
 186         DA_DELETE_WS10,
 187         DA_DELETE_ZERO,
 188         DA_DELETE_MIN = DA_DELETE_ATA_TRIM,
 189         DA_DELETE_MAX = DA_DELETE_ZERO
 190 } da_delete_methods;
 191
 192 /*
 193  * For SCSI, host managed drives show up as a separate device type.  For
 194  * ATA, host managed drives also have a different device signature.
 195  * XXX KDM figure out the ATA host managed signature.
 196  */
 197 typedef enum {
 198         DA_ZONE_NONE            = 0x00,
 199         DA_ZONE_DRIVE_MANAGED   = 0x01,
 200         DA_ZONE_HOST_AWARE      = 0x02,
 201         DA_ZONE_HOST_MANAGED    = 0x03
 202 } da_zone_mode;
 203
 204 /*
 205  * We distinguish between these interface cases in addition to the drive type:
 206  * o ATA drive behind a SCSI translation layer that knows about ZBC/ZAC
 207  * o ATA drive behind a SCSI translation layer that does not know about
 208  *   ZBC/ZAC, and so needs to be managed via ATA passthrough.  In this
 209  *   case, we would need to share the ATA code with the ada(4) driver.
 210  * o SCSI drive.
 211  */
 212 typedef enum {
 213         DA_ZONE_IF_SCSI,
 214         DA_ZONE_IF_ATA_PASS,
 215         DA_ZONE_IF_ATA_SAT,
 216 } da_zone_interface;
 217
 218 typedef enum {
 219         DA_ZONE_FLAG_RZ_SUP             = 0x0001,
 220         DA_ZONE_FLAG_OPEN_SUP           = 0x0002,
 221         DA_ZONE_FLAG_CLOSE_SUP          = 0x0004,
 222         DA_ZONE_FLAG_FINISH_SUP         = 0x0008,
 223         DA_ZONE_FLAG_RWP_SUP            = 0x0010,
 224         DA_ZONE_FLAG_SUP_MASK           = (DA_ZONE_FLAG_RZ_SUP |
 225                                            DA_ZONE_FLAG_OPEN_SUP |
 226                                            DA_ZONE_FLAG_CLOSE_SUP |
 227                                            DA_ZONE_FLAG_FINISH_SUP |
 228                                            DA_ZONE_FLAG_RWP_SUP),
 229         DA_ZONE_FLAG_URSWRZ             = 0x0020,
 230         DA_ZONE_FLAG_OPT_SEQ_SET        = 0x0040,
 231         DA_ZONE_FLAG_OPT_NONSEQ_SET     = 0x0080,
 232         DA_ZONE_FLAG_MAX_SEQ_SET        = 0x0100,
 233         DA_ZONE_FLAG_SET_MASK           = (DA_ZONE_FLAG_OPT_SEQ_SET |
 234                                            DA_ZONE_FLAG_OPT_NONSEQ_SET |
 235                                            DA_ZONE_FLAG_MAX_SEQ_SET)
 236 } da_zone_flags;
 237
 238 static struct da_zone_desc {
 239         da_zone_flags value;
 240         const char *desc;
 241 } da_zone_desc_table[] = {
 242         {DA_ZONE_FLAG_RZ_SUP, "Report Zones" },
 243         {DA_ZONE_FLAG_OPEN_SUP, "Open" },
 244         {DA_ZONE_FLAG_CLOSE_SUP, "Close" },
 245         {DA_ZONE_FLAG_FINISH_SUP, "Finish" },
 246         {DA_ZONE_FLAG_RWP_SUP, "Reset Write Pointer" },
 247 };
 248
 249 typedef void da_delete_func_t (struct cam_periph *periph, union ccb *ccb,
 250                               struct bio *bp);
 251 static da_delete_func_t da_delete_trim;
 252 static da_delete_func_t da_delete_unmap;
 253 static da_delete_func_t da_delete_ws;
 254
 255 static const void * da_delete_functions[] = {
 256         NULL,
 257         NULL,
 258         da_delete_trim,
 259         da_delete_unmap,
 260         da_delete_ws,
 261         da_delete_ws,
 262         da_delete_ws
 263 };
 264
 265 static const char *da_delete_method_names[] =
 266     { "NONE", "DISABLE", "ATA_TRIM", "UNMAP", "WS16", "WS10", "ZERO" };
 267 static const char *da_delete_method_desc[] =
 268     { "NONE", "DISABLED", "ATA TRIM", "UNMAP", "WRITE SAME(16) with UNMAP",
 269       "WRITE SAME(10) with UNMAP", "ZERO" };
 270
 271 /* Offsets into our private area for storing information */
 272 #define ccb_state       ppriv_field0
 273 #define ccb_bp          ppriv_ptr1
 274
 275 struct disk_params {
 276         u_int8_t  heads;
 277         u_int32_t cylinders;
 278         u_int8_t  secs_per_track;
 279         u_int32_t secsize;      /* Number of bytes/sector */
 280         u_int64_t sectors;      /* total number sectors */
 281         u_int     stripesize;
 282         u_int     stripeoffset;
 283 };
 284
 285 #define UNMAP_RANGE_MAX         0xffffffff
 286 #define UNMAP_HEAD_SIZE         8
 287 #define UNMAP_RANGE_SIZE        16
 288 #define UNMAP_MAX_RANGES        2048 /* Protocol Max is 4095 */
 289 #define UNMAP_BUF_SIZE          ((UNMAP_MAX_RANGES * UNMAP_RANGE_SIZE) + \
 290                                 UNMAP_HEAD_SIZE)
 291
 292 #define WS10_MAX_BLKS           0xffff
 293 #define WS16_MAX_BLKS           0xffffffff
 294 #define ATA_TRIM_MAX_RANGES     ((UNMAP_BUF_SIZE / \
 295         (ATA_DSM_RANGE_SIZE * ATA_DSM_BLK_SIZE)) * ATA_DSM_BLK_SIZE)
 296
 297 #define DA_WORK_TUR             (1 << 16)
 298
 299 typedef enum {
 300         DA_REF_OPEN = 1,
 301         DA_REF_OPEN_HOLD,
 302         DA_REF_CLOSE_HOLD,
 303         DA_REF_PROBE_HOLD,
 304         DA_REF_TUR,
 305         DA_REF_GEOM,
 306         DA_REF_SYSCTL,
 307         DA_REF_REPROBE,
 308         DA_REF_MAX              /* KEEP LAST */
 309 } da_ref_token;
 310
 311 struct da_softc {
 312         struct   cam_iosched_softc *cam_iosched;
 313         struct   bio_queue_head delete_run_queue;
 314         LIST_HEAD(, ccb_hdr) pending_ccbs;
 315         int      refcount;              /* Active xpt_action() calls */
 316         da_state state;
 317         da_flags flags;
 318         da_quirks quirks;
 319         int      minimum_cmd_size;
 320         int      error_inject;
 321         int      trim_max_ranges;
 322         int      delete_available;      /* Delete methods possibly available */
 323         da_zone_mode                    zone_mode;
 324         da_zone_interface               zone_interface;
 325         da_zone_flags                   zone_flags;
 326         struct ata_gp_log_dir           ata_logdir;
 327         int                             valid_logdir_len;
 328         struct ata_identify_log_pages   ata_iddir;
 329         int                             valid_iddir_len;
 330         uint64_t                        optimal_seq_zones;
 331         uint64_t                        optimal_nonseq_zones;
 332         uint64_t                        max_seq_zones;
 333         u_int                   maxio;
 334         uint32_t                unmap_max_ranges;
 335         uint32_t                unmap_max_lba; /* Max LBAs in UNMAP req */
 336         uint32_t                unmap_gran;
 337         uint32_t                unmap_gran_align;
 338         uint64_t                ws_max_blks;
 339         uint64_t                trim_count;
 340         uint64_t                trim_ranges;
 341         uint64_t                trim_lbas;
 342         da_delete_methods       delete_method_pref;
 343         da_delete_methods       delete_method;
 344         da_delete_func_t        *delete_func;
 345         int                     unmappedio;
 346         int                     rotating;
 347         struct   disk_params params;
 348         struct   disk *disk;
 349         union    ccb saved_ccb;
 350         struct task             sysctl_task;
 351         struct sysctl_ctx_list  sysctl_ctx;
 352         struct sysctl_oid       *sysctl_tree;
 353         struct callout          sendordered_c;
 354         uint64_t wwpn;
 355         uint8_t  unmap_buf[UNMAP_BUF_SIZE];
 356         struct scsi_read_capacity_data_long rcaplong;
 357         struct callout          mediapoll_c;
 358         int                     ref_flags[DA_REF_MAX];
 359 #ifdef CAM_IO_STATS
 360         struct sysctl_ctx_list  sysctl_stats_ctx;
 361         struct sysctl_oid       *sysctl_stats_tree;
 362         u_int   errors;
 363         u_int   timeouts;
 364         u_int   invalidations;
 365 #endif
 366 #define DA_ANNOUNCETMP_SZ 160
 367         char                    announce_temp[DA_ANNOUNCETMP_SZ];
 368 #define DA_ANNOUNCE_SZ 400
 369         char                    announcebuf[DA_ANNOUNCE_SZ];
 370 };
 371
 372 #define dadeleteflag(softc, delete_method, enable)                      \
 373         if (enable) {                                                   \
 374                 softc->delete_available |= (1 << delete_method);        \
 375         } else {                                                        \
 376                 softc->delete_available &= ~(1 << delete_method);       \
 377         }
 378
 379 struct da_quirk_entry {
 380         struct scsi_inquiry_pattern inq_pat;
 381         da_quirks quirks;
 382 };
 383
 384 static const char quantum[] = "QUANTUM";
 385 static const char microp[] = "MICROP";
 386
 387 static struct da_quirk_entry da_quirk_table[] =
 388 {
 389         /* SPI, FC devices */
 390         {
 391                 /*
 392                  * Fujitsu M2513A MO drives.
 393                  * Tested devices: M2513A2 firmware versions 1200 & 1300.
 394                  * (dip switch selects whether T_DIRECT or T_OPTICAL device)
 395                  * Reported by: W.Scholten <whs@xs4all.nl>
 396                  */
 397                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "FUJITSU", "M2513A", "*"},
 398                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 399         },
 400         {
 401                 /* See above. */
 402                 {T_OPTICAL, SIP_MEDIA_REMOVABLE, "FUJITSU", "M2513A", "*"},
 403                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 404         },
 405         {
 406                 /*
 407                  * This particular Fujitsu drive doesn't like the
 408                  * synchronize cache command.
 409                  * Reported by: Tom Jackson <toj@gorilla.net>
 410                  */
 411                 {T_DIRECT, SIP_MEDIA_FIXED, "FUJITSU", "M2954*", "*"},
 412                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 413         },
 414         {
 415                 /*
 416                  * This drive doesn't like the synchronize cache command
 417                  * either.  Reported by: Matthew Jacob <mjacob@feral.com>
 418                  * in NetBSD PR kern/6027, August 24, 1998.
 419                  */
 420                 {T_DIRECT, SIP_MEDIA_FIXED, microp, "2217*", "*"},
 421                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 422         },
 423         {
 424                 /*
 425                  * This drive doesn't like the synchronize cache command
 426                  * either.  Reported by: Hellmuth Michaelis (hm@kts.org)
 427                  * (PR 8882).
 428                  */
 429                 {T_DIRECT, SIP_MEDIA_FIXED, microp, "2112*", "*"},
 430                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 431         },
 432         {
 433                 /*
 434                  * Doesn't like the synchronize cache command.
 435                  * Reported by: Blaz Zupan <blaz@gold.amis.net>
 436                  */
 437                 {T_DIRECT, SIP_MEDIA_FIXED, "NEC", "D3847*", "*"},
 438                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 439         },
 440         {
 441                 /*
 442                  * Doesn't like the synchronize cache command.
 443                  * Reported by: Blaz Zupan <blaz@gold.amis.net>
 444                  */
 445                 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "MAVERICK 540S", "*"},
 446                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 447         },
 448         {
 449                 /*
 450                  * Doesn't like the synchronize cache command.
 451                  */
 452                 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "LPS525S", "*"},
 453                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 454         },
 455         {
 456                 /*
 457                  * Doesn't like the synchronize cache command.
 458                  * Reported by: walter@pelissero.de
 459                  */
 460                 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "LPS540S", "*"},
 461                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 462         },
 463         {
 464                 /*
 465                  * Doesn't work correctly with 6 byte reads/writes.
 466                  * Returns illegal request, and points to byte 9 of the
 467                  * 6-byte CDB.
 468                  * Reported by:  Adam McDougall <bsdx@spawnet.com>
 469                  */
 470                 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "VIKING 4*", "*"},
 471                 /*quirks*/ DA_Q_NO_6_BYTE
 472         },
 473         {
 474                 /* See above. */
 475                 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "VIKING 2*", "*"},
 476                 /*quirks*/ DA_Q_NO_6_BYTE
 477         },
 478         {
 479                 /*
 480                  * Doesn't like the synchronize cache command.
 481                  * Reported by: walter@pelissero.de
 482                  */
 483                 {T_DIRECT, SIP_MEDIA_FIXED, "CONNER", "CP3500*", "*"},
 484                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 485         },
 486         {
 487                 /*
 488                  * The CISS RAID controllers do not support SYNC_CACHE
 489                  */
 490                 {T_DIRECT, SIP_MEDIA_FIXED, "COMPAQ", "RAID*", "*"},
 491                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 492         },
 493         {
 494                 /*
 495                  * The STEC SSDs sometimes hang on UNMAP.
 496                  */
 497                 {T_DIRECT, SIP_MEDIA_FIXED, "STEC", "*", "*"},
 498                 /*quirks*/ DA_Q_NO_UNMAP
 499         },
 500         {
 501                 /*
 502                  * VMware returns BUSY status when storage has transient
 503                  * connectivity problems, so better wait.
 504                  * Also VMware returns odd errors on misaligned UNMAPs.
 505                  */
 506                 {T_DIRECT, SIP_MEDIA_FIXED, "VMware*", "*", "*"},
 507                 /*quirks*/ DA_Q_RETRY_BUSY | DA_Q_STRICT_UNMAP
 508         },
 509         /* USB mass storage devices supported by umass(4) */
 510         {
 511                 /*
 512                  * EXATELECOM (Sigmatel) i-Bead 100/105 USB Flash MP3 Player
 513                  * PR: kern/51675
 514                  */
 515                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "EXATEL", "i-BEAD10*", "*"},
 516                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 517         },
 518         {
 519                 /*
 520                  * Power Quotient Int. (PQI) USB flash key
 521                  * PR: kern/53067
 522                  */
 523                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "USB Flash Disk*",
 524                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 525         },
 526         {
 527                 /*
 528                  * Creative Nomad MUVO mp3 player (USB)
 529                  * PR: kern/53094
 530                  */
 531                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "CREATIVE", "NOMAD_MUVO", "*"},
 532                 /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT
 533         },
 534         {
 535                 /*
 536                  * Jungsoft NEXDISK USB flash key
 537                  * PR: kern/54737
 538                  */
 539                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "JUNGSOFT", "NEXDISK*", "*"},
 540                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 541         },
 542         {
 543                 /*
 544                  * FreeDik USB Mini Data Drive
 545                  * PR: kern/54786
 546                  */
 547                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "FreeDik*", "Mini Data Drive",
 548                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 549         },
 550         {
 551                 /*
 552                  * Sigmatel USB Flash MP3 Player
 553                  * PR: kern/57046
 554                  */
 555                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "SigmaTel", "MSCN", "*"},
 556                 /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT
 557         },
 558         {
 559                 /*
 560                  * Neuros USB Digital Audio Computer
 561                  * PR: kern/63645
 562                  */
 563                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "NEUROS", "dig. audio comp.",
 564                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 565         },
 566         {
 567                 /*
 568                  * SEAGRAND NP-900 MP3 Player
 569                  * PR: kern/64563
 570                  */
 571                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "SEAGRAND", "NP-900*", "*"},
 572                 /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT
 573         },
 574         {
 575                 /*
 576                  * iRiver iFP MP3 player (with UMS Firmware)
 577                  * PR: kern/54881, i386/63941, kern/66124
 578                  */
 579                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "iRiver", "iFP*", "*"},
 580                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 581         },
 582         {
 583                 /*
 584                  * Frontier Labs NEX IA+ Digital Audio Player, rev 1.10/0.01
 585                  * PR: kern/70158
 586                  */
 587                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "FL" , "Nex*", "*"},
 588                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 589         },
 590         {
 591                 /*
 592                  * ZICPlay USB MP3 Player with FM
 593                  * PR: kern/75057
 594                  */
 595                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "ACTIONS*" , "USB DISK*", "*"},
 596                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 597         },
 598         {
 599                 /*
 600                  * TEAC USB floppy mechanisms
 601                  */
 602                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "TEAC" , "FD-05*", "*"},
 603                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 604         },
 605         {
 606                 /*
 607                  * Kingston DataTraveler II+ USB Pen-Drive.
 608                  * Reported by: Pawel Jakub Dawidek <pjd@FreeBSD.org>
 609                  */
 610                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Kingston" , "DataTraveler II+",
 611                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 612         },
 613         {
 614                 /*
 615                  * USB DISK Pro PMAP
 616                  * Reported by: jhs
 617                  * PR: usb/96381
 618                  */
 619                 {T_DIRECT, SIP_MEDIA_REMOVABLE, " ", "USB DISK Pro", "PMAP"},
 620                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 621         },
 622         {
 623                 /*
 624                  * Motorola E398 Mobile Phone (TransFlash memory card).
 625                  * Reported by: Wojciech A. Koszek <dunstan@FreeBSD.czest.pl>
 626                  * PR: usb/89889
 627                  */
 628                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Motorola" , "Motorola Phone",
 629                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 630         },
 631         {
 632                 /*
 633                  * Qware BeatZkey! Pro
 634                  * PR: usb/79164
 635                  */
 636                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "GENERIC", "USB DISK DEVICE",
 637                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 638         },
 639         {
 640                 /*
 641                  * Time DPA20B 1GB MP3 Player
 642                  * PR: usb/81846
 643                  */
 644                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "USB2.0*", "(FS) FLASH DISK*",
 645                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 646         },
 647         {
 648                 /*
 649                  * Samsung USB key 128Mb
 650                  * PR: usb/90081
 651                  */
 652                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "USB-DISK", "FreeDik-FlashUsb",
 653                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 654         },
 655         {
 656                 /*
 657                  * Kingston DataTraveler 2.0 USB Flash memory.
 658                  * PR: usb/89196
 659                  */
 660                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Kingston", "DataTraveler 2.0",
 661                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 662         },
 663         {
 664                 /*
 665                  * Creative MUVO Slim mp3 player (USB)
 666                  * PR: usb/86131
 667                  */
 668                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "CREATIVE", "MuVo Slim",
 669                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT
 670                 },
 671         {
 672                 /*
 673                  * United MP5512 Portable MP3 Player (2-in-1 USB DISK/MP3)
 674                  * PR: usb/80487
 675                  */
 676                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "MUSIC DISK",
 677                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 678         },
 679         {
 680                 /*
 681                  * SanDisk Micro Cruzer 128MB
 682                  * PR: usb/75970
 683                  */
 684                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "SanDisk" , "Micro Cruzer",
 685                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 686         },
 687         {
 688                 /*
 689                  * TOSHIBA TransMemory USB sticks
 690                  * PR: kern/94660
 691                  */
 692                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "TOSHIBA", "TransMemory",
 693                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 694         },
 695         {
 696                 /*
 697                  * PNY USB 3.0 Flash Drives
 698                 */
 699                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "PNY", "USB 3.0 FD*",
 700                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE | DA_Q_NO_RC16
 701         },
 702         {
 703                 /*
 704                  * PNY USB Flash keys
 705                  * PR: usb/75578, usb/72344, usb/65436
 706                  */
 707                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "*" , "USB DISK*",
 708                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 709         },
 710         {
 711                 /*
 712                  * Genesys GL3224
 713                  */
 714                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "STORAGE DEVICE*",
 715                 "120?"}, /*quirks*/ DA_Q_NO_SYNC_CACHE | DA_Q_4K | DA_Q_NO_RC16
 716         },
 717         {
 718                 /*
 719                  * Genesys 6-in-1 Card Reader
 720                  * PR: usb/94647
 721                  */
 722                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "STORAGE DEVICE*",
 723                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 724         },
 725         {
 726                 /*
 727                  * Rekam Digital CAMERA
 728                  * PR: usb/98713
 729                  */
 730                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "CAMERA*", "4MP-9J6*",
 731                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 732         },
 733         {
 734                 /*
 735                  * iRiver H10 MP3 player
 736                  * PR: usb/102547
 737                  */
 738                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "iriver", "H10*",
 739                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 740         },
 741         {
 742                 /*
 743                  * iRiver U10 MP3 player
 744                  * PR: usb/92306
 745                  */
 746                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "iriver", "U10*",
 747                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 748         },
 749         {
 750                 /*
 751                  * X-Micro Flash Disk
 752                  * PR: usb/96901
 753                  */
 754                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "X-Micro", "Flash Disk",
 755                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 756         },
 757         {
 758                 /*
 759                  * EasyMP3 EM732X USB 2.0 Flash MP3 Player
 760                  * PR: usb/96546
 761                  */
 762                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "EM732X", "MP3 Player*",
 763                 "1.00"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 764         },
 765         {
 766                 /*
 767                  * Denver MP3 player
 768                  * PR: usb/107101
 769                  */
 770                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "DENVER", "MP3 PLAYER",
 771                  "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 772         },
 773         {
 774                 /*
 775                  * Philips USB Key Audio KEY013
 776                  * PR: usb/68412
 777                  */
 778                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "PHILIPS", "Key*", "*"},
 779                 /*quirks*/ DA_Q_NO_SYNC_CACHE | DA_Q_NO_PREVENT
 780         },
 781         {
 782                 /*
 783                  * JNC MP3 Player
 784                  * PR: usb/94439
 785                  */
 786                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "JNC*" , "MP3 Player*",
 787                  "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 788         },
 789         {
 790                 /*
 791                  * SAMSUNG MP0402H
 792                  * PR: usb/108427
 793                  */
 794                 {T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "MP0402H", "*"},
 795                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 796         },
 797         {
 798                 /*
 799                  * I/O Magic USB flash - Giga Bank
 800                  * PR: usb/108810
 801                  */
 802                 {T_DIRECT, SIP_MEDIA_FIXED, "GS-Magic", "stor*", "*"},
 803                 /*quirks*/ DA_Q_NO_SYNC_CACHE
 804         },
 805         {
 806                 /*
 807                  * JoyFly 128mb USB Flash Drive
 808                  * PR: 96133
 809                  */
 810                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "USB 2.0", "Flash Disk*",
 811                  "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 812         },
 813         {
 814                 /*
 815                  * ChipsBnk usb stick
 816                  * PR: 103702
 817                  */
 818                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "ChipsBnk", "USB*",
 819                  "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 820         },
 821         {
 822                 /*
 823                  * Storcase (Kingston) InfoStation IFS FC2/SATA-R 201A
 824                  * PR: 129858
 825                  */
 826                 {T_DIRECT, SIP_MEDIA_FIXED, "IFS", "FC2/SATA-R*",
 827                  "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 828         },
 829         {
 830                 /*
 831                  * Samsung YP-U3 mp3-player
 832                  * PR: 125398
 833                  */
 834                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Samsung", "YP-U3",
 835                  "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 836         },
 837         {
 838                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Netac", "OnlyDisk*",
 839                  "2000"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
 840         },
 841         {
 842                 /*
 843                  * Sony Cyber-Shot DSC cameras
 844                  * PR: usb/137035
 845                  */
 846                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Sony", "Sony DSC", "*"},
 847                 /*quirks*/ DA_Q_NO_SYNC_CACHE | DA_Q_NO_PREVENT
 848         },
 849         {
 850                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Kingston", "DataTraveler G3",
 851                  "1.00"}, /*quirks*/ DA_Q_NO_PREVENT
 852         },
 853         {
 854                 /* At least several Transcent USB sticks lie on RC16. */
 855                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "JetFlash", "Transcend*",
 856                  "*"}, /*quirks*/ DA_Q_NO_RC16
 857         },
 858         {
 859                 /*
 860                  * I-O Data USB Flash Disk
 861                  * PR: usb/211716
 862                  */
 863                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "I-O DATA", "USB Flash Disk*",
 864                  "*"}, /*quirks*/ DA_Q_NO_RC16
 865         },
 866         {
 867                 /*
 868                  * 16GB SLC CHIPFANCIER
 869                  * PR: usb/234503
 870                  */
 871                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "16G SLC", "CHIPFANCIER",
 872                  "1.00"}, /*quirks*/ DA_Q_NO_RC16
 873        },
 874         /* ATA/SATA devices over SAS/USB/... */
 875         {
 876                 /* Sandisk X400 */
 877                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SanDisk SD8SB8U1*", "*" },
 878                 /*quirks*/DA_Q_128KB
 879         },
 880         {
 881                 /* Hitachi Advanced Format (4k) drives */
 882                 { T_DIRECT, SIP_MEDIA_FIXED, "Hitachi", "H??????????E3*", "*" },
 883                 /*quirks*/DA_Q_4K
 884         },
 885         {
 886                 /* Micron Advanced Format (4k) drives */
 887                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Micron 5100 MTFDDAK*", "*" },
 888                 /*quirks*/DA_Q_4K
 889         },
 890         {
 891                 /* Samsung Advanced Format (4k) drives */
 892                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SAMSUNG HD155UI*", "*" },
 893                 /*quirks*/DA_Q_4K
 894         },
 895         {
 896                 /* Samsung Advanced Format (4k) drives */
 897                 { T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "HD155UI*", "*" },
 898                 /*quirks*/DA_Q_4K
 899         },
 900         {
 901                 /* Samsung Advanced Format (4k) drives */
 902                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SAMSUNG HD204UI*", "*" },
 903                 /*quirks*/DA_Q_4K
 904         },
 905         {
 906                 /* Samsung Advanced Format (4k) drives */
 907                 { T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "HD204UI*", "*" },
 908                 /*quirks*/DA_Q_4K
 909         },
 910         {
 911                 /* Seagate Barracuda Green Advanced Format (4k) drives */
 912                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST????DL*", "*" },
 913                 /*quirks*/DA_Q_4K
 914         },
 915         {
 916                 /* Seagate Barracuda Green Advanced Format (4k) drives */
 917                 { T_DIRECT, SIP_MEDIA_FIXED, "ST????DL", "*", "*" },
 918                 /*quirks*/DA_Q_4K
 919         },
 920         {
 921                 /* Seagate Barracuda Green Advanced Format (4k) drives */
 922                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST???DM*", "*" },
 923                 /*quirks*/DA_Q_4K
 924         },
 925         {
 926                 /* Seagate Barracuda Green Advanced Format (4k) drives */
 927                 { T_DIRECT, SIP_MEDIA_FIXED, "ST???DM*", "*", "*" },
 928                 /*quirks*/DA_Q_4K
 929         },
 930         {
 931                 /* Seagate Barracuda Green Advanced Format (4k) drives */
 932                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST????DM*", "*" },
 933                 /*quirks*/DA_Q_4K
 934         },
 935         {
 936                 /* Seagate Barracuda Green Advanced Format (4k) drives */
 937                 { T_DIRECT, SIP_MEDIA_FIXED, "ST????DM", "*", "*" },
 938                 /*quirks*/DA_Q_4K
 939         },
 940         {
 941                 /* Seagate Momentus Advanced Format (4k) drives */
 942                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9500423AS*", "*" },
 943                 /*quirks*/DA_Q_4K
 944         },
 945         {
 946                 /* Seagate Momentus Advanced Format (4k) drives */
 947                 { T_DIRECT, SIP_MEDIA_FIXED, "ST950042", "3AS*", "*" },
 948                 /*quirks*/DA_Q_4K
 949         },
 950         {
 951                 /* Seagate Momentus Advanced Format (4k) drives */
 952                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9500424AS*", "*" },
 953                 /*quirks*/DA_Q_4K
 954         },
 955         {
 956                 /* Seagate Momentus Advanced Format (4k) drives */
 957                 { T_DIRECT, SIP_MEDIA_FIXED, "ST950042", "4AS*", "*" },
 958                 /*quirks*/DA_Q_4K
 959         },
 960         {
 961                 /* Seagate Momentus Advanced Format (4k) drives */
 962                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9640423AS*", "*" },
 963                 /*quirks*/DA_Q_4K
 964         },
 965         {
 966                 /* Seagate Momentus Advanced Format (4k) drives */
 967                 { T_DIRECT, SIP_MEDIA_FIXED, "ST964042", "3AS*", "*" },
 968                 /*quirks*/DA_Q_4K
 969         },
 970         {
 971                 /* Seagate Momentus Advanced Format (4k) drives */
 972                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9640424AS*", "*" },
 973                 /*quirks*/DA_Q_4K
 974         },
 975         {
 976                 /* Seagate Momentus Advanced Format (4k) drives */
 977                 { T_DIRECT, SIP_MEDIA_FIXED, "ST964042", "4AS*", "*" },
 978                 /*quirks*/DA_Q_4K
 979         },
 980         {
 981                 /* Seagate Momentus Advanced Format (4k) drives */
 982                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9750420AS*", "*" },
 983                 /*quirks*/DA_Q_4K
 984         },
 985         {
 986                 /* Seagate Momentus Advanced Format (4k) drives */
 987                 { T_DIRECT, SIP_MEDIA_FIXED, "ST975042", "0AS*", "*" },
 988                 /*quirks*/DA_Q_4K
 989         },
 990         {
 991                 /* Seagate Momentus Advanced Format (4k) drives */
 992                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9750422AS*", "*" },
 993                 /*quirks*/DA_Q_4K
 994         },
 995         {
 996                 /* Seagate Momentus Advanced Format (4k) drives */
 997                 { T_DIRECT, SIP_MEDIA_FIXED, "ST975042", "2AS*", "*" },
 998                 /*quirks*/DA_Q_4K
 999         },
1000         {
1001                 /* Seagate Momentus Advanced Format (4k) drives */
1002                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9750423AS*", "*" },
1003                 /*quirks*/DA_Q_4K
1004         },
1005         {
1006                 /* Seagate Momentus Advanced Format (4k) drives */
1007                 { T_DIRECT, SIP_MEDIA_FIXED, "ST975042", "3AS*", "*" },
1008                 /*quirks*/DA_Q_4K
1009         },
1010         {
1011                 /* Seagate Momentus Thin Advanced Format (4k) drives */
1012                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST???LT*", "*" },
1013                 /*quirks*/DA_Q_4K
1014         },
1015         {
1016                 /* Seagate Momentus Thin Advanced Format (4k) drives */
1017                 { T_DIRECT, SIP_MEDIA_FIXED, "ST???LT*", "*", "*" },
1018                 /*quirks*/DA_Q_4K
1019         },
1020         {
1021                 /* WDC Caviar Green Advanced Format (4k) drives */
1022                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD????RS*", "*" },
1023                 /*quirks*/DA_Q_4K
1024         },
1025         {
1026                 /* WDC Caviar Green Advanced Format (4k) drives */
1027                 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "??RS*", "*" },
1028                 /*quirks*/DA_Q_4K
1029         },
1030         {
1031                 /* WDC Caviar Green Advanced Format (4k) drives */
1032                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD????RX*", "*" },
1033                 /*quirks*/DA_Q_4K
1034         },
1035         {
1036                 /* WDC Caviar Green Advanced Format (4k) drives */
1037                 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "??RX*", "*" },
1038                 /*quirks*/DA_Q_4K
1039         },
1040         {
1041                 /* WDC Caviar Green Advanced Format (4k) drives */
1042                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD??????RS*", "*" },
1043                 /*quirks*/DA_Q_4K
1044         },
1045         {
1046                 /* WDC Caviar Green Advanced Format (4k) drives */
1047                 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "????RS*", "*" },
1048                 /*quirks*/DA_Q_4K
1049         },
1050         {
1051                 /* WDC Caviar Green Advanced Format (4k) drives */
1052                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD??????RX*", "*" },
1053                 /*quirks*/DA_Q_4K
1054         },
1055         {
1056                 /* WDC Caviar Green Advanced Format (4k) drives */
1057                 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "????RX*", "*" },
1058                 /*quirks*/DA_Q_4K
1059         },
1060         {
1061                 /* WDC Scorpio Black Advanced Format (4k) drives */
1062                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD???PKT*", "*" },
1063                 /*quirks*/DA_Q_4K
1064         },
1065         {
1066                 /* WDC Scorpio Black Advanced Format (4k) drives */
1067                 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "?PKT*", "*" },
1068                 /*quirks*/DA_Q_4K
1069         },
1070         {
1071                 /* WDC Scorpio Black Advanced Format (4k) drives */
1072                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD?????PKT*", "*" },
1073                 /*quirks*/DA_Q_4K
1074         },
1075         {
1076                 /* WDC Scorpio Black Advanced Format (4k) drives */
1077                 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "???PKT*", "*" },
1078                 /*quirks*/DA_Q_4K
1079         },
1080         {
1081                 /* WDC Scorpio Blue Advanced Format (4k) drives */
1082                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD???PVT*", "*" },
1083                 /*quirks*/DA_Q_4K
1084         },
1085         {
1086                 /* WDC Scorpio Blue Advanced Format (4k) drives */
1087                 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "?PVT*", "*" },
1088                 /*quirks*/DA_Q_4K
1089         },
1090         {
1091                 /* WDC Scorpio Blue Advanced Format (4k) drives */
1092                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD?????PVT*", "*" },
1093                 /*quirks*/DA_Q_4K
1094         },
1095         {
1096                 /* WDC Scorpio Blue Advanced Format (4k) drives */
1097                 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "???PVT*", "*" },
1098                 /*quirks*/DA_Q_4K
1099         },
1100         {
1101                 /*
1102                  * Olympus digital cameras (C-3040ZOOM, C-2040ZOOM, C-1)
1103                  * PR: usb/97472
1104                  */
1105                 { T_DIRECT, SIP_MEDIA_REMOVABLE, "OLYMPUS", "C*", "*"},
1106                 /*quirks*/ DA_Q_NO_6_BYTE | DA_Q_NO_SYNC_CACHE
1107         },
1108         {
1109                 /*
1110                  * Olympus digital cameras (D-370)
1111                  * PR: usb/97472
1112                  */
1113                 { T_DIRECT, SIP_MEDIA_REMOVABLE, "OLYMPUS", "D*", "*"},
1114                 /*quirks*/ DA_Q_NO_6_BYTE
1115         },
1116         {
1117                 /*
1118                  * Olympus digital cameras (E-100RS, E-10).
1119                  * PR: usb/97472
1120                  */
1121                 { T_DIRECT, SIP_MEDIA_REMOVABLE, "OLYMPUS", "E*", "*"},
1122                 /*quirks*/ DA_Q_NO_6_BYTE | DA_Q_NO_SYNC_CACHE
1123         },
1124         {
1125                 /*
1126                  * Olympus FE-210 camera
1127                  */
1128                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "OLYMPUS", "FE210*",
1129                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
1130         },
1131         {
1132                 /*
1133                 * Pentax Digital Camera
1134                 * PR: usb/93389
1135                 */
1136                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "PENTAX", "DIGITAL CAMERA",
1137                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
1138         },
1139         {
1140                 /*
1141                  * LG UP3S MP3 player
1142                  */
1143                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "LG", "UP3S",
1144                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
1145         },
1146         {
1147                 /*
1148                  * Laser MP3-2GA13 MP3 player
1149                  */
1150                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "USB 2.0", "(HS) Flash Disk",
1151                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
1152         },
1153         {
1154                 /*
1155                  * LaCie external 250GB Hard drive des by Porsche
1156                  * Submitted by: Ben Stuyts <ben@altesco.nl>
1157                  * PR: 121474
1158                  */
1159                 {T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "HM250JI", "*"},
1160                 /*quirks*/ DA_Q_NO_SYNC_CACHE
1161         },
1162         /* SATA SSDs */
1163         {
1164                 /*
1165                  * Corsair Force 2 SSDs
1166                  * 4k optimised & trim only works in 4k requests + 4k aligned
1167                  */
1168                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Corsair CSSD-F*", "*" },
1169                 /*quirks*/DA_Q_4K
1170         },
1171         {
1172                 /*
1173                  * Corsair Force 3 SSDs
1174                  * 4k optimised & trim only works in 4k requests + 4k aligned
1175                  */
1176                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Corsair Force 3*", "*" },
1177                 /*quirks*/DA_Q_4K
1178         },
1179         {
1180                 /*
1181                  * Corsair Neutron GTX SSDs
1182                  * 4k optimised & trim only works in 4k requests + 4k aligned
1183                  */
1184                 { T_DIRECT, SIP_MEDIA_FIXED, "*", "Corsair Neutron GTX*", "*" },
1185                 /*quirks*/DA_Q_4K
1186         },
1187         {
1188                 /*
1189                  * Corsair Force GT & GS SSDs
1190                  * 4k optimised & trim only works in 4k requests + 4k aligned
1191                  */
1192                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Corsair Force G*", "*" },
1193                 /*quirks*/DA_Q_4K
1194         },
1195         {
1196                 /*
1197                  * Crucial M4 SSDs
1198                  * 4k optimised & trim only works in 4k requests + 4k aligned
1199                  */
1200                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "M4-CT???M4SSD2*", "*" },
1201                 /*quirks*/DA_Q_4K
1202         },
1203         {
1204                 /*
1205                  * Crucial RealSSD C300 SSDs
1206                  * 4k optimised
1207                  */
1208                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "C300-CTFDDAC???MAG*",
1209                 "*" }, /*quirks*/DA_Q_4K
1210         },
1211         {
1212                 /*
1213                  * Intel 320 Series SSDs
1214                  * 4k optimised & trim only works in 4k requests + 4k aligned
1215                  */
1216                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSA2CW*", "*" },
1217                 /*quirks*/DA_Q_4K
1218         },
1219         {
1220                 /*
1221                  * Intel 330 Series SSDs
1222                  * 4k optimised & trim only works in 4k requests + 4k aligned
1223                  */
1224                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSC2CT*", "*" },
1225                 /*quirks*/DA_Q_4K
1226         },
1227         {
1228                 /*
1229                  * Intel 510 Series SSDs
1230                  * 4k optimised & trim only works in 4k requests + 4k aligned
1231                  */
1232                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSC2MH*", "*" },
1233                 /*quirks*/DA_Q_4K
1234         },
1235         {
1236                 /*
1237                  * Intel 520 Series SSDs
1238                  * 4k optimised & trim only works in 4k requests + 4k aligned
1239                  */
1240                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSC2BW*", "*" },
1241                 /*quirks*/DA_Q_4K
1242         },
1243         {
1244                 /*
1245                  * Intel S3610 Series SSDs
1246                  * 4k optimised & trim only works in 4k requests + 4k aligned
1247                  */
1248                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSC2BX*", "*" },
1249                 /*quirks*/DA_Q_4K
1250         },
1251         {
1252                 /*
1253                  * Intel X25-M Series SSDs
1254                  * 4k optimised & trim only works in 4k requests + 4k aligned
1255                  */
1256                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSA2M*", "*" },
1257                 /*quirks*/DA_Q_4K
1258         },
1259         {
1260                 /*
1261                  * Kingston E100 Series SSDs
1262                  * 4k optimised & trim only works in 4k requests + 4k aligned
1263                  */
1264                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "KINGSTON SE100S3*", "*" },
1265                 /*quirks*/DA_Q_4K
1266         },
1267         {
1268                 /*
1269                  * Kingston HyperX 3k SSDs
1270                  * 4k optimised & trim only works in 4k requests + 4k aligned
1271                  */
1272                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "KINGSTON SH103S3*", "*" },
1273                 /*quirks*/DA_Q_4K
1274         },
1275         {
1276                 /*
1277                  * Marvell SSDs (entry taken from OpenSolaris)
1278                  * 4k optimised & trim only works in 4k requests + 4k aligned
1279                  */
1280                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "MARVELL SD88SA02*", "*" },
1281                 /*quirks*/DA_Q_4K
1282         },
1283         {
1284                 /*
1285                  * OCZ Agility 2 SSDs
1286                  * 4k optimised & trim only works in 4k requests + 4k aligned
1287                  */
1288                 { T_DIRECT, SIP_MEDIA_FIXED, "*", "OCZ-AGILITY2*", "*" },
1289                 /*quirks*/DA_Q_4K
1290         },
1291         {
1292                 /*
1293                  * OCZ Agility 3 SSDs
1294                  * 4k optimised & trim only works in 4k requests + 4k aligned
1295                  */
1296                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "OCZ-AGILITY3*", "*" },
1297                 /*quirks*/DA_Q_4K
1298         },
1299         {
1300                 /*
1301                  * OCZ Deneva R Series SSDs
1302                  * 4k optimised & trim only works in 4k requests + 4k aligned
1303                  */
1304                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "DENRSTE251M45*", "*" },
1305                 /*quirks*/DA_Q_4K
1306         },
1307         {
1308                 /*
1309                  * OCZ Vertex 2 SSDs (inc pro series)
1310                  * 4k optimised & trim only works in 4k requests + 4k aligned
1311                  */
1312                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "OCZ?VERTEX2*", "*" },
1313                 /*quirks*/DA_Q_4K
1314         },
1315         {
1316                 /*
1317                  * OCZ Vertex 3 SSDs
1318                  * 4k optimised & trim only works in 4k requests + 4k aligned
1319                  */
1320                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "OCZ-VERTEX3*", "*" },
1321                 /*quirks*/DA_Q_4K
1322         },
1323         {
1324                 /*
1325                  * OCZ Vertex 4 SSDs
1326                  * 4k optimised & trim only works in 4k requests + 4k aligned
1327                  */
1328                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "OCZ-VERTEX4*", "*" },
1329                 /*quirks*/DA_Q_4K
1330         },
1331         {
1332                 /*
1333                  * Samsung 750 Series SSDs
1334                  * 4k optimised & trim only works in 4k requests + 4k aligned
1335                  */
1336                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Samsung SSD 750*", "*" },
1337                 /*quirks*/DA_Q_4K
1338         },
1339         {
1340                 /*
1341                  * Samsung 830 Series SSDs
1342                  * 4k optimised & trim only works in 4k requests + 4k aligned
1343                  */
1344                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SAMSUNG SSD 830 Series*", "*" },
1345                 /*quirks*/DA_Q_4K
1346         },
1347         {
1348                 /*
1349                  * Samsung 840 SSDs
1350                  * 4k optimised & trim only works in 4k requests + 4k aligned
1351                  */
1352                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Samsung SSD 840*", "*" },
1353                 /*quirks*/DA_Q_4K
1354         },
1355         {
1356                 /*
1357                  * Samsung 845 SSDs
1358                  * 4k optimised & trim only works in 4k requests + 4k aligned
1359                  */
1360                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Samsung SSD 845*", "*" },
1361                 /*quirks*/DA_Q_4K
1362         },
1363         {
1364                 /*
1365                  * Samsung 850 SSDs
1366                  * 4k optimised & trim only works in 4k requests + 4k aligned
1367                  */
1368                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Samsung SSD 850*", "*" },
1369                 /*quirks*/DA_Q_4K
1370         },
1371         {
1372                 /*
1373                  * Samsung 843T Series SSDs (MZ7WD*)
1374                  * Samsung PM851 Series SSDs (MZ7TE*)
1375                  * Samsung PM853T Series SSDs (MZ7GE*)
1376                  * Samsung SM863 Series SSDs (MZ7KM*)
1377                  * 4k optimised
1378                  */
1379                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SAMSUNG MZ7*", "*" },
1380                 /*quirks*/DA_Q_4K
1381         },
1382         {
1383                 /*
1384                  * Same as for SAMSUNG MZ7* but enable the quirks for SSD
1385                  * starting with MZ7* too
1386                  */
1387                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "MZ7*", "*" },
1388                 /*quirks*/DA_Q_4K
1389         },
1390         {
1391                 /*
1392                  * SuperTalent TeraDrive CT SSDs
1393                  * 4k optimised & trim only works in 4k requests + 4k aligned
1394                  */
1395                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "FTM??CT25H*", "*" },
1396                 /*quirks*/DA_Q_4K
1397         },
1398         {
1399                 /*
1400                  * XceedIOPS SATA SSDs
1401                  * 4k optimised
1402                  */
1403                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SG9XCS2D*", "*" },
1404                 /*quirks*/DA_Q_4K
1405         },
1406         {
1407                 /*
1408                  * Hama Innostor USB-Stick
1409                  */
1410                 { T_DIRECT, SIP_MEDIA_REMOVABLE, "Innostor", "Innostor*", "*" },
1411                 /*quirks*/DA_Q_NO_RC16
1412         },
1413         {
1414                 /*
1415                  * Seagate Lamarr 8TB Shingled Magnetic Recording (SMR)
1416                  * Drive Managed SATA hard drive.  This drive doesn't report
1417                  * in firmware that it is a drive managed SMR drive.
1418                  */
1419                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST8000AS000[23]*", "*" },
1420                 /*quirks*/DA_Q_SMR_DM
1421         },
1422         {
1423                 /*
1424                  * MX-ES USB Drive by Mach Xtreme
1425                  */
1426                 { T_DIRECT, SIP_MEDIA_REMOVABLE, "MX", "MXUB3*", "*"},
1427                 /*quirks*/DA_Q_NO_RC16
1428         },
1429 };
1430
1431 static  disk_strategy_t dastrategy;
1432 static  dumper_t        dadump;
1433 static  periph_init_t   dainit;
1434 static  void            daasync(void *callback_arg, u_int32_t code,
1435                                 struct cam_path *path, void *arg);
1436 static  void            dasysctlinit(void *context, int pending);
1437 static  int             dasysctlsofttimeout(SYSCTL_HANDLER_ARGS);
1438 static  int             dacmdsizesysctl(SYSCTL_HANDLER_ARGS);
1439 static  int             dadeletemethodsysctl(SYSCTL_HANDLER_ARGS);
1440 static  int             dazonemodesysctl(SYSCTL_HANDLER_ARGS);
1441 static  int             dazonesupsysctl(SYSCTL_HANDLER_ARGS);
1442 static  int             dadeletemaxsysctl(SYSCTL_HANDLER_ARGS);
1443 static  void            dadeletemethodset(struct da_softc *softc,
1444                                           da_delete_methods delete_method);
1445 static  off_t           dadeletemaxsize(struct da_softc *softc,
1446                                         da_delete_methods delete_method);
1447 static  void            dadeletemethodchoose(struct da_softc *softc,
1448                                              da_delete_methods default_method);
1449 static  void            daprobedone(struct cam_periph *periph, union ccb *ccb);
1450
1451 static  periph_ctor_t   daregister;
1452 static  periph_dtor_t   dacleanup;
1453 static  periph_start_t  dastart;
1454 static  periph_oninv_t  daoninvalidate;
1455 static  void            dazonedone(struct cam_periph *periph, union ccb *ccb);
1456 static  void            dadone(struct cam_periph *periph,
1457                                union ccb *done_ccb);
1458 static void             dadone_probewp(struct cam_periph *periph,
1459                                        union ccb *done_ccb);
1460 static void             dadone_proberc(struct cam_periph *periph,
1461                                        union ccb *done_ccb);
1462 static void             dadone_probelbp(struct cam_periph *periph,
1463                                         union ccb *done_ccb);
1464 static void             dadone_probeblklimits(struct cam_periph *periph,
1465                                               union ccb *done_ccb);
1466 static void             dadone_probebdc(struct cam_periph *periph,
1467                                         union ccb *done_ccb);
1468 static void             dadone_probeata(struct cam_periph *periph,
1469                                         union ccb *done_ccb);
1470 static void             dadone_probeatalogdir(struct cam_periph *periph,
1471                                               union ccb *done_ccb);
1472 static void             dadone_probeataiddir(struct cam_periph *periph,
1473                                              union ccb *done_ccb);
1474 static void             dadone_probeatasup(struct cam_periph *periph,
1475                                            union ccb *done_ccb);
1476 static void             dadone_probeatazone(struct cam_periph *periph,
1477                                             union ccb *done_ccb);
1478 static void             dadone_probezone(struct cam_periph *periph,
1479                                          union ccb *done_ccb);
1480 static void             dadone_tur(struct cam_periph *periph,
1481                                    union ccb *done_ccb);
1482 static  int             daerror(union ccb *ccb, u_int32_t cam_flags,
1483                                 u_int32_t sense_flags);
1484 static void             daprevent(struct cam_periph *periph, int action);
1485 static void             dareprobe(struct cam_periph *periph);
1486 static void             dasetgeom(struct cam_periph *periph, uint32_t block_len,
1487                                   uint64_t maxsector,
1488                                   struct scsi_read_capacity_data_long *rcaplong,
1489                                   size_t rcap_size);
1490 static timeout_t        dasendorderedtag;
1491 static void             dashutdown(void *arg, int howto);
1492 static timeout_t        damediapoll;
1493
1494 #ifndef DA_DEFAULT_POLL_PERIOD
1495 #define DA_DEFAULT_POLL_PERIOD  3
1496 #endif
1497
1498 #ifndef DA_DEFAULT_TIMEOUT
1499 #define DA_DEFAULT_TIMEOUT 60   /* Timeout in seconds */
1500 #endif
1501
1502 #ifndef DA_DEFAULT_SOFTTIMEOUT
1503 #define DA_DEFAULT_SOFTTIMEOUT  0
1504 #endif
1505
1506 #ifndef DA_DEFAULT_RETRY
1507 #define DA_DEFAULT_RETRY        4
1508 #endif
1509
1510 #ifndef DA_DEFAULT_SEND_ORDERED
1511 #define DA_DEFAULT_SEND_ORDERED 1
1512 #endif
1513
1514 static int da_poll_period = DA_DEFAULT_POLL_PERIOD;
1515 static int da_retry_count = DA_DEFAULT_RETRY;
1516 static int da_default_timeout = DA_DEFAULT_TIMEOUT;
1517 static sbintime_t da_default_softtimeout = DA_DEFAULT_SOFTTIMEOUT;
1518 static int da_send_ordered = DA_DEFAULT_SEND_ORDERED;
1519 static int da_disable_wp_detection = 0;
1520
1521 static SYSCTL_NODE(_kern_cam, OID_AUTO, da, CTLFLAG_RD, 0,
1522             "CAM Direct Access Disk driver");
1523 SYSCTL_INT(_kern_cam_da, OID_AUTO, poll_period, CTLFLAG_RWTUN,
1524            &da_poll_period, 0, "Media polling period in seconds");
1525 SYSCTL_INT(_kern_cam_da, OID_AUTO, retry_count, CTLFLAG_RWTUN,
1526            &da_retry_count, 0, "Normal I/O retry count");
1527 SYSCTL_INT(_kern_cam_da, OID_AUTO, default_timeout, CTLFLAG_RWTUN,
1528            &da_default_timeout, 0, "Normal I/O timeout (in seconds)");
1529 SYSCTL_INT(_kern_cam_da, OID_AUTO, send_ordered, CTLFLAG_RWTUN,
1530            &da_send_ordered, 0, "Send Ordered Tags");
1531 SYSCTL_INT(_kern_cam_da, OID_AUTO, disable_wp_detection, CTLFLAG_RWTUN,
1532            &da_disable_wp_detection, 0,
1533            "Disable detection of write-protected disks");
1534
1535 SYSCTL_PROC(_kern_cam_da, OID_AUTO, default_softtimeout,
1536     CTLTYPE_UINT | CTLFLAG_RW, NULL, 0, dasysctlsofttimeout, "I",
1537     "Soft I/O timeout (ms)");
1538 TUNABLE_INT64("kern.cam.da.default_softtimeout", &da_default_softtimeout);
1539
1540 /*
1541  * DA_ORDEREDTAG_INTERVAL determines how often, relative
1542  * to the default timeout, we check to see whether an ordered
1543  * tagged transaction is appropriate to prevent simple tag
1544  * starvation.  Since we'd like to ensure that there is at least
1545  * 1/2 of the timeout length left for a starved transaction to
1546  * complete after we've sent an ordered tag, we must poll at least
1547  * four times in every timeout period.  This takes care of the worst
1548  * case where a starved transaction starts during an interval that
1549  * meets the requirement "don't send an ordered tag" test so it takes
1550  * us two intervals to determine that a tag must be sent.
1551  */
1552 #ifndef DA_ORDEREDTAG_INTERVAL
1553 #define DA_ORDEREDTAG_INTERVAL 4
1554 #endif
1555
1556 static struct periph_driver dadriver =
1557 {
1558         dainit, "da",
1559         TAILQ_HEAD_INITIALIZER(dadriver.units), /* generation */ 0
1560 };
1561
1562 PERIPHDRIVER_DECLARE(da, dadriver);
1563
1564 static MALLOC_DEFINE(M_SCSIDA, "scsi_da", "scsi_da buffers");
1565
1566 /*
1567  * This driver takes out references / holds in well defined pairs, never
1568  * recursively. These macros / inline functions enforce those rules. They
1569  * are only enabled with DA_TRACK_REFS or INVARIANTS. If DA_TRACK_REFS is
1570  * defined to be 2 or larger, the tracking also includes debug printfs.
1571  */
1572 #if defined(DA_TRACK_REFS) || defined(INVARIANTS)
1573
1574 #ifndef DA_TRACK_REFS
1575 #define DA_TRACK_REFS 1
1576 #endif
1577
1578 #if DA_TRACK_REFS > 1
1579 static const char *da_ref_text[] = {
1580         "bogus",
1581         "open",
1582         "open hold",
1583         "close hold",
1584         "reprobe hold",
1585         "Test Unit Ready",
1586         "Geom",
1587         "sysctl",
1588         "reprobe",
1589         "max -- also bogus"
1590 };
1591
1592 #define DA_PERIPH_PRINT(periph, msg, args...)           \
1593         CAM_PERIPH_PRINT(periph, msg, ##args)
1594 #else
1595 #define DA_PERIPH_PRINT(periph, msg, args...)
1596 #endif
1597
1598 static inline void
1599 token_sanity(da_ref_token token)
1600 {
1601         if ((unsigned)token >= DA_REF_MAX)
1602                 panic("Bad token value passed in %d\n", token);
1603 }
1604
1605 static inline int
1606 da_periph_hold(struct cam_periph *periph, int priority, da_ref_token token)
1607 {
1608         int err = cam_periph_hold(periph, priority);
1609
1610         token_sanity(token);
1611         DA_PERIPH_PRINT(periph, "Holding device %s (%d): %d\n",
1612             da_ref_text[token], token, err);
1613         if (err == 0) {
1614                 int cnt;
1615                 struct da_softc *softc = periph->softc;
1616
1617                 cnt = atomic_fetchadd_int(&softc->ref_flags[token], 1);
1618                 if (cnt != 0)
1619                         panic("Re-holding for reason %d, cnt = %d", token, cnt);
1620         }
1621         return (err);
1622 }
1623
1624 static inline void
1625 da_periph_unhold(struct cam_periph *periph, da_ref_token token)
1626 {
1627         int cnt;
1628         struct da_softc *softc = periph->softc;
1629
1630         token_sanity(token);
1631         DA_PERIPH_PRINT(periph, "Unholding device %s (%d)\n",
1632             da_ref_text[token], token);
1633         cnt = atomic_fetchadd_int(&softc->ref_flags[token], -1);
1634         if (cnt != 1)
1635                 panic("Unholding %d with cnt = %d", token, cnt);
1636         cam_periph_unhold(periph);
1637 }
1638
1639 static inline int
1640 da_periph_acquire(struct cam_periph *periph, da_ref_token token)
1641 {
1642         int err = cam_periph_acquire(periph);
1643
1644         token_sanity(token);
1645         DA_PERIPH_PRINT(periph, "acquiring device %s (%d): %d\n",
1646             da_ref_text[token], token, err);
1647         if (err == 0) {
1648                 int cnt;
1649                 struct da_softc *softc = periph->softc;
1650
1651                 cnt = atomic_fetchadd_int(&softc->ref_flags[token], 1);
1652                 if (cnt != 0)
1653                         panic("Re-refing for reason %d, cnt = %d", token, cnt);
1654         }
1655         return (err);
1656 }
1657
1658 static inline void
1659 da_periph_release(struct cam_periph *periph, da_ref_token token)
1660 {
1661         int cnt;
1662         struct da_softc *softc = periph->softc;
1663
1664         token_sanity(token);
1665         DA_PERIPH_PRINT(periph, "releasing device %s (%d)\n",
1666             da_ref_text[token], token);
1667         cnt = atomic_fetchadd_int(&softc->ref_flags[token], -1);
1668         if (cnt != 1)
1669                 panic("Releasing %d with cnt = %d", token, cnt);
1670         cam_periph_release(periph);
1671 }
1672
1673 static inline void
1674 da_periph_release_locked(struct cam_periph *periph, da_ref_token token)
1675 {
1676         int cnt;
1677         struct da_softc *softc = periph->softc;
1678
1679         token_sanity(token);
1680         DA_PERIPH_PRINT(periph, "releasing device (locked) %s (%d)\n",
1681             da_ref_text[token], token);
1682         cnt = atomic_fetchadd_int(&softc->ref_flags[token], -1);
1683         if (cnt != 1)
1684                 panic("Unholding %d with cnt = %d", token, cnt);
1685         cam_periph_release_locked(periph);
1686 }
1687
1688 #define cam_periph_hold POISON
1689 #define cam_periph_unhold POISON
1690 #define cam_periph_acquire POISON
1691 #define cam_periph_release POISON
1692 #define cam_periph_release_locked POISON
1693
1694 #else
1695 #define da_periph_hold(periph, prio, token)     cam_periph_hold((periph), (prio))
1696 #define da_periph_unhold(periph, token)         cam_periph_unhold((periph))
1697 #define da_periph_acquire(periph, token)        cam_periph_acquire((periph))
1698 #define da_periph_release(periph, token)        cam_periph_release((periph))
1699 #define da_periph_release_locked(periph, token) cam_periph_release_locked((periph))
1700 #endif
1701
1702 static int
1703 daopen(struct disk *dp)
1704 {
1705         struct cam_periph *periph;
1706         struct da_softc *softc;
1707         int error;
1708
1709         periph = (struct cam_periph *)dp->d_drv1;
1710         if (da_periph_acquire(periph, DA_REF_OPEN) != 0) {
1711                 return (ENXIO);
1712         }
1713
1714         cam_periph_lock(periph);
1715         if ((error = da_periph_hold(periph, PRIBIO|PCATCH, DA_REF_OPEN_HOLD)) != 0) {
1716                 cam_periph_unlock(periph);
1717                 da_periph_release(periph, DA_REF_OPEN);
1718                 return (error);
1719         }
1720
1721         CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH,
1722             ("daopen\n"));
1723
1724         softc = (struct da_softc *)periph->softc;
1725         dareprobe(periph);
1726
1727         /* Wait for the disk size update.  */
1728         error = cam_periph_sleep(periph, &softc->disk->d_mediasize, PRIBIO,
1729             "dareprobe", 0);
1730         if (error != 0)
1731                 xpt_print(periph->path, "unable to retrieve capacity data\n");
1732
1733         if (periph->flags & CAM_PERIPH_INVALID)
1734                 error = ENXIO;
1735
1736         if (error == 0 && (softc->flags & DA_FLAG_PACK_REMOVABLE) != 0 &&
1737             (softc->quirks & DA_Q_NO_PREVENT) == 0)
1738                 daprevent(periph, PR_PREVENT);
1739
1740         if (error == 0) {
1741                 softc->flags &= ~DA_FLAG_PACK_INVALID;
1742                 softc->flags |= DA_FLAG_OPEN;
1743         }
1744
1745         da_periph_unhold(periph, DA_REF_OPEN_HOLD);
1746         cam_periph_unlock(periph);
1747
1748         if (error != 0)
1749                 da_periph_release(periph, DA_REF_OPEN);
1750
1751         return (error);
1752 }
1753
1754 static int
1755 daclose(struct disk *dp)
1756 {
1757         struct  cam_periph *periph;
1758         struct  da_softc *softc;
1759         union   ccb *ccb;
1760
1761         periph = (struct cam_periph *)dp->d_drv1;
1762         softc = (struct da_softc *)periph->softc;
1763         cam_periph_lock(periph);
1764         CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH,
1765             ("daclose\n"));
1766
1767         if (da_periph_hold(periph, PRIBIO, DA_REF_CLOSE_HOLD) == 0) {
1768
1769                 /* Flush disk cache. */
1770                 if ((softc->flags & DA_FLAG_DIRTY) != 0 &&
1771                     (softc->quirks & DA_Q_NO_SYNC_CACHE) == 0 &&
1772                     (softc->flags & DA_FLAG_PACK_INVALID) == 0) {
1773                         ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
1774                         scsi_synchronize_cache(&ccb->csio, /*retries*/1,
1775                             /*cbfcnp*/NULL, MSG_SIMPLE_Q_TAG,
1776                             /*begin_lba*/0, /*lb_count*/0, SSD_FULL_SIZE,
1777                             5 * 60 * 1000);
1778                         cam_periph_runccb(ccb, daerror, /*cam_flags*/0,
1779                             /*sense_flags*/SF_RETRY_UA | SF_QUIET_IR,
1780                             softc->disk->d_devstat);
1781                         softc->flags &= ~DA_FLAG_DIRTY;
1782                         xpt_release_ccb(ccb);
1783                 }
1784
1785                 /* Allow medium removal. */
1786                 if ((softc->flags & DA_FLAG_PACK_REMOVABLE) != 0 &&
1787                     (softc->quirks & DA_Q_NO_PREVENT) == 0)
1788                         daprevent(periph, PR_ALLOW);
1789
1790                 da_periph_unhold(periph, DA_REF_CLOSE_HOLD);
1791         }
1792
1793         /*
1794          * If we've got removeable media, mark the blocksize as
1795          * unavailable, since it could change when new media is
1796          * inserted.
1797          */
1798         if ((softc->flags & DA_FLAG_PACK_REMOVABLE) != 0)
1799                 softc->disk->d_devstat->flags |= DEVSTAT_BS_UNAVAILABLE;
1800
1801         softc->flags &= ~DA_FLAG_OPEN;
1802         while (softc->refcount != 0)
1803                 cam_periph_sleep(periph, &softc->refcount, PRIBIO, "daclose", 1);
1804         cam_periph_unlock(periph);
1805         da_periph_release(periph, DA_REF_OPEN);
1806         return (0);
1807 }
1808
1809 static void
1810 daschedule(struct cam_periph *periph)
1811 {
1812         struct da_softc *softc = (struct da_softc *)periph->softc;
1813
1814         if (softc->state != DA_STATE_NORMAL)
1815                 return;
1816
1817         cam_iosched_schedule(softc->cam_iosched, periph);
1818 }
1819
1820 /*
1821  * Actually translate the requested transfer into one the physical driver
1822  * can understand.  The transfer is described by a buf and will include
1823  * only one physical transfer.
1824  */
1825 static void
1826 dastrategy(struct bio *bp)
1827 {
1828         struct cam_periph *periph;
1829         struct da_softc *softc;
1830
1831         periph = (struct cam_periph *)bp->bio_disk->d_drv1;
1832         softc = (struct da_softc *)periph->softc;
1833
1834         cam_periph_lock(periph);
1835
1836         /*
1837          * If the device has been made invalid, error out
1838          */
1839         if ((softc->flags & DA_FLAG_PACK_INVALID)) {
1840                 cam_periph_unlock(periph);
1841                 biofinish(bp, NULL, ENXIO);
1842                 return;
1843         }
1844
1845         CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dastrategy(%p)\n", bp));
1846
1847         /*
1848          * Zone commands must be ordered, because they can depend on the
1849          * effects of previously issued commands, and they may affect
1850          * commands after them.
1851          */
1852         if (bp->bio_cmd == BIO_ZONE)
1853                 bp->bio_flags |= BIO_ORDERED;
1854
1855         /*
1856          * Place it in the queue of disk activities for this disk
1857          */
1858         cam_iosched_queue_work(softc->cam_iosched, bp);
1859
1860         /*
1861          * Schedule ourselves for performing the work.
1862          */
1863         daschedule(periph);
1864         cam_periph_unlock(periph);
1865
1866         return;
1867 }
1868
1869 static int
1870 dadump(void *arg, void *virtual, vm_offset_t physical, off_t offset, size_t length)
1871 {
1872         struct      cam_periph *periph;
1873         struct      da_softc *softc;
1874         u_int       secsize;
1875         struct      ccb_scsiio csio;
1876         struct      disk *dp;
1877         int         error = 0;
1878
1879         dp = arg;
1880         periph = dp->d_drv1;
1881         softc = (struct da_softc *)periph->softc;
1882         secsize = softc->params.secsize;
1883
1884         if ((softc->flags & DA_FLAG_PACK_INVALID) != 0)
1885                 return (ENXIO);
1886
1887         memset(&csio, 0, sizeof(csio));
1888         if (length > 0) {
1889                 xpt_setup_ccb(&csio.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
1890                 csio.ccb_h.ccb_state = DA_CCB_DUMP;
1891                 scsi_read_write(&csio,
1892                                 /*retries*/0,
1893                                 /*cbfcnp*/NULL,
1894                                 MSG_ORDERED_Q_TAG,
1895                                 /*read*/SCSI_RW_WRITE,
1896                                 /*byte2*/0,
1897                                 /*minimum_cmd_size*/ softc->minimum_cmd_size,
1898                                 offset / secsize,
1899                                 length / secsize,
1900                                 /*data_ptr*/(u_int8_t *) virtual,
1901                                 /*dxfer_len*/length,
1902                                 /*sense_len*/SSD_FULL_SIZE,
1903                                 da_default_timeout * 1000);
1904                 error = cam_periph_runccb((union ccb *)&csio, cam_periph_error,
1905                     0, SF_NO_RECOVERY | SF_NO_RETRY, NULL);
1906                 if (error != 0)
1907                         printf("Aborting dump due to I/O error.\n");
1908                 return (error);
1909         }
1910
1911         /*
1912          * Sync the disk cache contents to the physical media.
1913          */
1914         if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) {
1915
1916                 xpt_setup_ccb(&csio.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
1917                 csio.ccb_h.ccb_state = DA_CCB_DUMP;
1918                 scsi_synchronize_cache(&csio,
1919                                        /*retries*/0,
1920                                        /*cbfcnp*/NULL,
1921                                        MSG_SIMPLE_Q_TAG,
1922                                        /*begin_lba*/0,/* Cover the whole disk */
1923                                        /*lb_count*/0,
1924                                        SSD_FULL_SIZE,
1925                                        5 * 1000);
1926                 error = cam_periph_runccb((union ccb *)&csio, cam_periph_error,
1927                     0, SF_NO_RECOVERY | SF_NO_RETRY, NULL);
1928                 if (error != 0)
1929                         xpt_print(periph->path, "Synchronize cache failed\n");
1930         }
1931         return (error);
1932 }
1933
1934 static int
1935 dagetattr(struct bio *bp)
1936 {
1937         int ret;
1938         struct cam_periph *periph;
1939
1940         periph = (struct cam_periph *)bp->bio_disk->d_drv1;
1941         cam_periph_lock(periph);
1942         ret = xpt_getattr(bp->bio_data, bp->bio_length, bp->bio_attribute,
1943             periph->path);
1944         cam_periph_unlock(periph);
1945         if (ret == 0)
1946                 bp->bio_completed = bp->bio_length;
1947         return ret;
1948 }
1949
1950 static void
1951 dainit(void)
1952 {
1953         cam_status status;
1954
1955         /*
1956          * Install a global async callback.  This callback will
1957          * receive async callbacks like "new device found".
1958          */
1959         status = xpt_register_async(AC_FOUND_DEVICE, daasync, NULL, NULL);
1960
1961         if (status != CAM_REQ_CMP) {
1962                 printf("da: Failed to attach master async callback "
1963                        "due to status 0x%x!\n", status);
1964         } else if (da_send_ordered) {
1965
1966                 /* Register our shutdown event handler */
1967                 if ((EVENTHANDLER_REGISTER(shutdown_post_sync, dashutdown,
1968                                            NULL, SHUTDOWN_PRI_DEFAULT)) == NULL)
1969                     printf("dainit: shutdown event registration failed!\n");
1970         }
1971 }
1972
1973 /*
1974  * Callback from GEOM, called when it has finished cleaning up its
1975  * resources.
1976  */
1977 static void
1978 dadiskgonecb(struct disk *dp)
1979 {
1980         struct cam_periph *periph;
1981
1982         periph = (struct cam_periph *)dp->d_drv1;
1983         da_periph_release(periph, DA_REF_GEOM);
1984 }
1985
1986 static void
1987 daoninvalidate(struct cam_periph *periph)
1988 {
1989         struct da_softc *softc;
1990
1991         cam_periph_assert(periph, MA_OWNED);
1992         softc = (struct da_softc *)periph->softc;
1993
1994         /*
1995          * De-register any async callbacks.
1996          */
1997         xpt_register_async(0, daasync, periph, periph->path);
1998
1999         softc->flags |= DA_FLAG_PACK_INVALID;
2000 #ifdef CAM_IO_STATS
2001         softc->invalidations++;
2002 #endif
2003
2004         /*
2005          * Return all queued I/O with ENXIO.
2006          * XXX Handle any transactions queued to the card
2007          *     with XPT_ABORT_CCB.
2008          */
2009         cam_iosched_flush(softc->cam_iosched, NULL, ENXIO);
2010
2011         /*
2012          * Tell GEOM that we've gone away, we'll get a callback when it is
2013          * done cleaning up its resources.
2014          */
2015         disk_gone(softc->disk);
2016 }
2017
2018 static void
2019 dacleanup(struct cam_periph *periph)
2020 {
2021         struct da_softc *softc;
2022
2023         softc = (struct da_softc *)periph->softc;
2024
2025         cam_periph_unlock(periph);
2026
2027         cam_iosched_fini(softc->cam_iosched);
2028
2029         /*
2030          * If we can't free the sysctl tree, oh well...
2031          */
2032         if ((softc->flags & DA_FLAG_SCTX_INIT) != 0) {
2033 #ifdef CAM_IO_STATS
2034                 if (sysctl_ctx_free(&softc->sysctl_stats_ctx) != 0)
2035                         xpt_print(periph->path,
2036                             "can't remove sysctl stats context\n");
2037 #endif
2038                 if (sysctl_ctx_free(&softc->sysctl_ctx) != 0)
2039                         xpt_print(periph->path,
2040                             "can't remove sysctl context\n");
2041         }
2042
2043         callout_drain(&softc->mediapoll_c);
2044         disk_destroy(softc->disk);
2045         callout_drain(&softc->sendordered_c);
2046         free(softc, M_DEVBUF);
2047         cam_periph_lock(periph);
2048 }
2049
2050 static void
2051 daasync(void *callback_arg, u_int32_t code,
2052         struct cam_path *path, void *arg)
2053 {
2054         struct cam_periph *periph;
2055         struct da_softc *softc;
2056
2057         periph = (struct cam_periph *)callback_arg;
2058         switch (code) {
2059         case AC_FOUND_DEVICE:   /* callback to create periph, no locking yet */
2060         {
2061                 struct ccb_getdev *cgd;
2062                 cam_status status;
2063
2064                 cgd = (struct ccb_getdev *)arg;
2065                 if (cgd == NULL)
2066                         break;
2067
2068                 if (cgd->protocol != PROTO_SCSI)
2069                         break;
2070                 if (SID_QUAL(&cgd->inq_data) != SID_QUAL_LU_CONNECTED)
2071                         break;
2072                 if (SID_TYPE(&cgd->inq_data) != T_DIRECT
2073                     && SID_TYPE(&cgd->inq_data) != T_RBC
2074                     && SID_TYPE(&cgd->inq_data) != T_OPTICAL
2075                     && SID_TYPE(&cgd->inq_data) != T_ZBC_HM)
2076                         break;
2077
2078                 /*
2079                  * Allocate a peripheral instance for
2080                  * this device and start the probe
2081                  * process.
2082                  */
2083                 status = cam_periph_alloc(daregister, daoninvalidate,
2084                                           dacleanup, dastart,
2085                                           "da", CAM_PERIPH_BIO,
2086                                           path, daasync,
2087                                           AC_FOUND_DEVICE, cgd);
2088
2089                 if (status != CAM_REQ_CMP
2090                  && status != CAM_REQ_INPROG)
2091                         printf("daasync: Unable to attach to new device "
2092                                 "due to status 0x%x\n", status);
2093                 return;
2094         }
2095         case AC_ADVINFO_CHANGED:        /* Doesn't touch periph */
2096         {
2097                 uintptr_t buftype;
2098
2099                 buftype = (uintptr_t)arg;
2100                 if (buftype == CDAI_TYPE_PHYS_PATH) {
2101                         struct da_softc *softc;
2102
2103                         softc = periph->softc;
2104                         disk_attr_changed(softc->disk, "GEOM::physpath",
2105                                           M_NOWAIT);
2106                 }
2107                 break;
2108         }
2109         case AC_UNIT_ATTENTION:
2110         {
2111                 union ccb *ccb;
2112                 int error_code, sense_key, asc, ascq;
2113
2114                 softc = (struct da_softc *)periph->softc;
2115                 ccb = (union ccb *)arg;
2116
2117                 /*
2118                  * Handle all UNIT ATTENTIONs except our own, as they will be
2119                  * handled by daerror(). Since this comes from a different periph,
2120                  * that periph's lock is held, not ours, so we have to take it ours
2121                  * out to touch softc flags.
2122                  */
2123                 if (xpt_path_periph(ccb->ccb_h.path) != periph &&
2124                     scsi_extract_sense_ccb(ccb,
2125                      &error_code, &sense_key, &asc, &ascq)) {
2126                         if (asc == 0x2A && ascq == 0x09) {
2127                                 xpt_print(ccb->ccb_h.path,
2128                                     "Capacity data has changed\n");
2129                                 cam_periph_lock(periph);
2130                                 softc->flags &= ~DA_FLAG_PROBED;
2131                                 cam_periph_unlock(periph);
2132                                 dareprobe(periph);
2133                         } else if (asc == 0x28 && ascq == 0x00) {
2134                                 cam_periph_lock(periph);
2135                                 softc->flags &= ~DA_FLAG_PROBED;
2136                                 cam_periph_unlock(periph);
2137                                 disk_media_changed(softc->disk, M_NOWAIT);
2138                         } else if (asc == 0x3F && ascq == 0x03) {
2139                                 xpt_print(ccb->ccb_h.path,
2140                                     "INQUIRY data has changed\n");
2141                                 cam_periph_lock(periph);
2142                                 softc->flags &= ~DA_FLAG_PROBED;
2143                                 cam_periph_unlock(periph);
2144                                 dareprobe(periph);
2145                         }
2146                 }
2147                 break;
2148         }
2149         case AC_SCSI_AEN:               /* Called for this path: periph locked */
2150                 /*
2151                  * Appears to be currently unused for SCSI devices, only ata SIMs
2152                  * generate this.
2153                  */
2154                 cam_periph_assert(periph, MA_OWNED);
2155                 softc = (struct da_softc *)periph->softc;
2156                 if (!cam_iosched_has_work_flags(softc->cam_iosched, DA_WORK_TUR) &&
2157                     (softc->flags & DA_FLAG_TUR_PENDING) == 0) {
2158                         if (da_periph_acquire(periph, DA_REF_TUR) == 0) {
2159                                 cam_iosched_set_work_flags(softc->cam_iosched, DA_WORK_TUR);
2160                                 daschedule(periph);
2161                         }
2162                 }
2163                 /* FALLTHROUGH */
2164         case AC_SENT_BDR:               /* Called for this path: periph locked */
2165         case AC_BUS_RESET:              /* Called for this path: periph locked */
2166         {
2167                 struct ccb_hdr *ccbh;
2168
2169                 cam_periph_assert(periph, MA_OWNED);
2170                 softc = (struct da_softc *)periph->softc;
2171                 /*
2172                  * Don't fail on the expected unit attention
2173                  * that will occur.
2174                  */
2175                 softc->flags |= DA_FLAG_RETRY_UA;
2176                 LIST_FOREACH(ccbh, &softc->pending_ccbs, periph_links.le)
2177                         ccbh->ccb_state |= DA_CCB_RETRY_UA;
2178                 break;
2179         }
2180         case AC_INQ_CHANGED:            /* Called for this path: periph locked */
2181                 cam_periph_assert(periph, MA_OWNED);
2182                 softc = (struct da_softc *)periph->softc;
2183                 softc->flags &= ~DA_FLAG_PROBED;
2184                 dareprobe(periph);
2185                 break;
2186         default:
2187                 break;
2188         }
2189         cam_periph_async(periph, code, path, arg);
2190 }
2191
2192 static void
2193 dasysctlinit(void *context, int pending)
2194 {
2195         struct cam_periph *periph;
2196         struct da_softc *softc;
2197         char tmpstr[32], tmpstr2[16];
2198         struct ccb_trans_settings cts;
2199
2200         periph = (struct cam_periph *)context;
2201         /*
2202          * periph was held for us when this task was enqueued
2203          */
2204         if (periph->flags & CAM_PERIPH_INVALID) {
2205                 da_periph_release(periph, DA_REF_SYSCTL);
2206                 return;
2207         }
2208
2209         softc = (struct da_softc *)periph->softc;
2210         snprintf(tmpstr, sizeof(tmpstr), "CAM DA unit %d", periph->unit_number);
2211         snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number);
2212
2213         sysctl_ctx_init(&softc->sysctl_ctx);
2214         cam_periph_lock(periph);
2215         softc->flags |= DA_FLAG_SCTX_INIT;
2216         cam_periph_unlock(periph);
2217         softc->sysctl_tree = SYSCTL_ADD_NODE_WITH_LABEL(&softc->sysctl_ctx,
2218                 SYSCTL_STATIC_CHILDREN(_kern_cam_da), OID_AUTO, tmpstr2,
2219                 CTLFLAG_RD, 0, tmpstr, "device_index");
2220         if (softc->sysctl_tree == NULL) {
2221                 printf("dasysctlinit: unable to allocate sysctl tree\n");
2222                 da_periph_release(periph, DA_REF_SYSCTL);
2223                 return;
2224         }
2225
2226         /*
2227          * Now register the sysctl handler, so the user can change the value on
2228          * the fly.
2229          */
2230         SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
2231                 OID_AUTO, "delete_method", CTLTYPE_STRING | CTLFLAG_RWTUN,
2232                 softc, 0, dadeletemethodsysctl, "A",
2233                 "BIO_DELETE execution method");
2234         SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
2235                 OID_AUTO, "delete_max", CTLTYPE_U64 | CTLFLAG_RW,
2236                 softc, 0, dadeletemaxsysctl, "Q",
2237                 "Maximum BIO_DELETE size");
2238         SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
2239                 OID_AUTO, "minimum_cmd_size", CTLTYPE_INT | CTLFLAG_RW,
2240                 &softc->minimum_cmd_size, 0, dacmdsizesysctl, "I",
2241                 "Minimum CDB size");
2242         SYSCTL_ADD_UQUAD(&softc->sysctl_ctx,
2243                 SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO,
2244                 "trim_count", CTLFLAG_RD, &softc->trim_count,
2245                 "Total number of unmap/dsm commands sent");
2246         SYSCTL_ADD_UQUAD(&softc->sysctl_ctx,
2247                 SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO,
2248                 "trim_ranges", CTLFLAG_RD, &softc->trim_ranges,
2249                 "Total number of ranges in unmap/dsm commands");
2250         SYSCTL_ADD_UQUAD(&softc->sysctl_ctx,
2251                 SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO,
2252                 "trim_lbas", CTLFLAG_RD, &softc->trim_lbas,
2253                 "Total lbas in the unmap/dsm commands sent");
2254
2255         SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
2256                 OID_AUTO, "zone_mode", CTLTYPE_STRING | CTLFLAG_RD,
2257                 softc, 0, dazonemodesysctl, "A",
2258                 "Zone Mode");
2259         SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
2260                 OID_AUTO, "zone_support", CTLTYPE_STRING | CTLFLAG_RD,
2261                 softc, 0, dazonesupsysctl, "A",
2262                 "Zone Support");
2263         SYSCTL_ADD_UQUAD(&softc->sysctl_ctx,
2264                 SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO,
2265                 "optimal_seq_zones", CTLFLAG_RD, &softc->optimal_seq_zones,
2266                 "Optimal Number of Open Sequential Write Preferred Zones");
2267         SYSCTL_ADD_UQUAD(&softc->sysctl_ctx,
2268                 SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO,
2269                 "optimal_nonseq_zones", CTLFLAG_RD,
2270                 &softc->optimal_nonseq_zones,
2271                 "Optimal Number of Non-Sequentially Written Sequential Write "
2272                 "Preferred Zones");
2273         SYSCTL_ADD_UQUAD(&softc->sysctl_ctx,
2274                 SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO,
2275                 "max_seq_zones", CTLFLAG_RD, &softc->max_seq_zones,
2276                 "Maximum Number of Open Sequential Write Required Zones");
2277
2278         SYSCTL_ADD_INT(&softc->sysctl_ctx,
2279                        SYSCTL_CHILDREN(softc->sysctl_tree),
2280                        OID_AUTO,
2281                        "error_inject",
2282                        CTLFLAG_RW,
2283                        &softc->error_inject,
2284                        0,
2285                        "error_inject leaf");
2286
2287         SYSCTL_ADD_INT(&softc->sysctl_ctx,
2288                        SYSCTL_CHILDREN(softc->sysctl_tree),
2289                        OID_AUTO,
2290                        "unmapped_io",
2291                        CTLFLAG_RD,
2292                        &softc->unmappedio,
2293                        0,
2294                        "Unmapped I/O leaf");
2295
2296         SYSCTL_ADD_INT(&softc->sysctl_ctx,
2297                        SYSCTL_CHILDREN(softc->sysctl_tree),
2298                        OID_AUTO,
2299                        "rotating",
2300                        CTLFLAG_RD,
2301                        &softc->rotating,
2302                        0,
2303                        "Rotating media");
2304
2305 #ifdef CAM_TEST_FAILURE
2306         SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
2307                 OID_AUTO, "invalidate", CTLTYPE_U64 | CTLFLAG_RW | CTLFLAG_MPSAFE,
2308                 periph, 0, cam_periph_invalidate_sysctl, "I",
2309                 "Write 1 to invalidate the drive immediately");
2310 #endif
2311
2312         /*
2313          * Add some addressing info.
2314          */
2315         memset(&cts, 0, sizeof (cts));
2316         xpt_setup_ccb(&cts.ccb_h, periph->path, CAM_PRIORITY_NONE);
2317         cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS;
2318         cts.type = CTS_TYPE_CURRENT_SETTINGS;
2319         cam_periph_lock(periph);
2320         xpt_action((union ccb *)&cts);
2321         cam_periph_unlock(periph);
2322         if (cts.ccb_h.status != CAM_REQ_CMP) {
2323                 da_periph_release(periph, DA_REF_SYSCTL);
2324                 return;
2325         }
2326         if (cts.protocol == PROTO_SCSI && cts.transport == XPORT_FC) {
2327                 struct ccb_trans_settings_fc *fc = &cts.xport_specific.fc;
2328                 if (fc->valid & CTS_FC_VALID_WWPN) {
2329                         softc->wwpn = fc->wwpn;
2330                         SYSCTL_ADD_UQUAD(&softc->sysctl_ctx,
2331                             SYSCTL_CHILDREN(softc->sysctl_tree),
2332                             OID_AUTO, "wwpn", CTLFLAG_RD,
2333                             &softc->wwpn, "World Wide Port Name");
2334                 }
2335         }
2336
2337 #ifdef CAM_IO_STATS
2338         /*
2339          * Now add some useful stats.
2340          * XXX These should live in cam_periph and be common to all periphs
2341          */
2342         softc->sysctl_stats_tree = SYSCTL_ADD_NODE(&softc->sysctl_stats_ctx,
2343             SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO, "stats",
2344             CTLFLAG_RD, 0, "Statistics");
2345         SYSCTL_ADD_INT(&softc->sysctl_stats_ctx,
2346                        SYSCTL_CHILDREN(softc->sysctl_stats_tree),
2347                        OID_AUTO,
2348                        "errors",
2349                        CTLFLAG_RD,
2350                        &softc->errors,
2351                        0,
2352                        "Transport errors reported by the SIM");
2353         SYSCTL_ADD_INT(&softc->sysctl_stats_ctx,
2354                        SYSCTL_CHILDREN(softc->sysctl_stats_tree),
2355                        OID_AUTO,
2356                        "timeouts",
2357                        CTLFLAG_RD,
2358                        &softc->timeouts,
2359                        0,
2360                        "Device timeouts reported by the SIM");
2361         SYSCTL_ADD_INT(&softc->sysctl_stats_ctx,
2362                        SYSCTL_CHILDREN(softc->sysctl_stats_tree),
2363                        OID_AUTO,
2364                        "pack_invalidations",
2365                        CTLFLAG_RD,
2366                        &softc->invalidations,
2367                        0,
2368                        "Device pack invalidations");
2369 #endif
2370
2371         cam_iosched_sysctl_init(softc->cam_iosched, &softc->sysctl_ctx,
2372             softc->sysctl_tree);
2373
2374         da_periph_release(periph, DA_REF_SYSCTL);
2375 }
2376
2377 static int
2378 dadeletemaxsysctl(SYSCTL_HANDLER_ARGS)
2379 {
2380         int error;
2381         uint64_t value;
2382         struct da_softc *softc;
2383
2384         softc = (struct da_softc *)arg1;
2385
2386         value = softc->disk->d_delmaxsize;
2387         error = sysctl_handle_64(oidp, &value, 0, req);
2388         if ((error != 0) || (req->newptr == NULL))
2389                 return (error);
2390
2391         /* only accept values smaller than the calculated value */
2392         if (value > dadeletemaxsize(softc, softc->delete_method)) {
2393                 return (EINVAL);
2394         }
2395         softc->disk->d_delmaxsize = value;
2396
2397         return (0);
2398 }
2399
2400 static int
2401 dacmdsizesysctl(SYSCTL_HANDLER_ARGS)
2402 {
2403         int error, value;
2404
2405         value = *(int *)arg1;
2406
2407         error = sysctl_handle_int(oidp, &value, 0, req);
2408
2409         if ((error != 0)
2410          || (req->newptr == NULL))
2411                 return (error);
2412
2413         /*
2414          * Acceptable values here are 6, 10, 12 or 16.
2415          */
2416         if (value < 6)
2417                 value = 6;
2418         else if ((value > 6)
2419               && (value <= 10))
2420                 value = 10;
2421         else if ((value > 10)
2422               && (value <= 12))
2423                 value = 12;
2424         else if (value > 12)
2425                 value = 16;
2426
2427         *(int *)arg1 = value;
2428
2429         return (0);
2430 }
2431
2432 static int
2433 dasysctlsofttimeout(SYSCTL_HANDLER_ARGS)
2434 {
2435         sbintime_t value;
2436         int error;
2437
2438         value = da_default_softtimeout / SBT_1MS;
2439
2440         error = sysctl_handle_int(oidp, (int *)&value, 0, req);
2441         if ((error != 0) || (req->newptr == NULL))
2442                 return (error);
2443
2444         /* XXX Should clip this to a reasonable level */
2445         if (value > da_default_timeout * 1000)
2446                 return (EINVAL);
2447
2448         da_default_softtimeout = value * SBT_1MS;
2449         return (0);
2450 }
2451
2452 static void
2453 dadeletemethodset(struct da_softc *softc, da_delete_methods delete_method)
2454 {
2455
2456         softc->delete_method = delete_method;
2457         softc->disk->d_delmaxsize = dadeletemaxsize(softc, delete_method);
2458         softc->delete_func = da_delete_functions[delete_method];
2459
2460         if (softc->delete_method > DA_DELETE_DISABLE)
2461                 softc->disk->d_flags |= DISKFLAG_CANDELETE;
2462         else
2463                 softc->disk->d_flags &= ~DISKFLAG_CANDELETE;
2464 }
2465
2466 static off_t
2467 dadeletemaxsize(struct da_softc *softc, da_delete_methods delete_method)
2468 {
2469         off_t sectors;
2470
2471         switch(delete_method) {
2472         case DA_DELETE_UNMAP:
2473                 sectors = (off_t)softc->unmap_max_lba;
2474                 break;
2475         case DA_DELETE_ATA_TRIM:
2476                 sectors = (off_t)ATA_DSM_RANGE_MAX * softc->trim_max_ranges;
2477                 break;
2478         case DA_DELETE_WS16:
2479                 sectors = omin(softc->ws_max_blks, WS16_MAX_BLKS);
2480                 break;
2481         case DA_DELETE_ZERO:
2482         case DA_DELETE_WS10:
2483                 sectors = omin(softc->ws_max_blks, WS10_MAX_BLKS);
2484                 break;
2485         default:
2486                 return 0;
2487         }
2488
2489         return (off_t)softc->params.secsize *
2490             omin(sectors, softc->params.sectors);
2491 }
2492
2493 static void
2494 daprobedone(struct cam_periph *periph, union ccb *ccb)
2495 {
2496         struct da_softc *softc;
2497
2498         softc = (struct da_softc *)periph->softc;
2499
2500         cam_periph_assert(periph, MA_OWNED);
2501
2502         dadeletemethodchoose(softc, DA_DELETE_NONE);
2503
2504         if (bootverbose && (softc->flags & DA_FLAG_ANNOUNCED) == 0) {
2505                 char buf[80];
2506                 int i, sep;
2507
2508                 snprintf(buf, sizeof(buf), "Delete methods: <");
2509                 sep = 0;
2510                 for (i = 0; i <= DA_DELETE_MAX; i++) {
2511                         if ((softc->delete_available & (1 << i)) == 0 &&
2512                             i != softc->delete_method)
2513                                 continue;
2514                         if (sep)
2515                                 strlcat(buf, ",", sizeof(buf));
2516                         strlcat(buf, da_delete_method_names[i],
2517                             sizeof(buf));
2518                         if (i == softc->delete_method)
2519                                 strlcat(buf, "(*)", sizeof(buf));
2520                         sep = 1;
2521                 }
2522                 strlcat(buf, ">", sizeof(buf));
2523                 printf("%s%d: %s\n", periph->periph_name,
2524                     periph->unit_number, buf);
2525         }
2526         if ((softc->disk->d_flags & DISKFLAG_WRITE_PROTECT) != 0 &&
2527             (softc->flags & DA_FLAG_ANNOUNCED) == 0) {
2528                 printf("%s%d: Write Protected\n", periph->periph_name,
2529                     periph->unit_number);
2530         }
2531
2532         /*
2533          * Since our peripheral may be invalidated by an error
2534          * above or an external event, we must release our CCB
2535          * before releasing the probe lock on the peripheral.
2536          * The peripheral will only go away once the last lock
2537          * is removed, and we need it around for the CCB release
2538          * operation.
2539          */
2540         xpt_release_ccb(ccb);
2541         softc->state = DA_STATE_NORMAL;
2542         softc->flags |= DA_FLAG_PROBED;
2543         daschedule(periph);
2544         wakeup(&softc->disk->d_mediasize);
2545         if ((softc->flags & DA_FLAG_ANNOUNCED) == 0) {
2546                 softc->flags |= DA_FLAG_ANNOUNCED;
2547                 da_periph_unhold(periph, DA_REF_PROBE_HOLD);
2548         } else
2549                 da_periph_release_locked(periph, DA_REF_REPROBE);
2550 }
2551
2552 static void
2553 dadeletemethodchoose(struct da_softc *softc, da_delete_methods default_method)
2554 {
2555         int i, methods;
2556
2557         /* If available, prefer the method requested by user. */
2558         i = softc->delete_method_pref;
2559         methods = softc->delete_available | (1 << DA_DELETE_DISABLE);
2560         if (methods & (1 << i)) {
2561                 dadeletemethodset(softc, i);
2562                 return;
2563         }
2564
2565         /* Use the pre-defined order to choose the best performing delete. */
2566         for (i = DA_DELETE_MIN; i <= DA_DELETE_MAX; i++) {
2567                 if (i == DA_DELETE_ZERO)
2568                         continue;
2569                 if (softc->delete_available & (1 << i)) {
2570                         dadeletemethodset(softc, i);
2571                         return;
2572                 }
2573         }
2574
2575         /* Fallback to default. */
2576         dadeletemethodset(softc, default_method);
2577 }
2578
2579 static int
2580 dadeletemethodsysctl(SYSCTL_HANDLER_ARGS)
2581 {
2582         char buf[16];
2583         const char *p;
2584         struct da_softc *softc;
2585         int i, error, value;
2586
2587         softc = (struct da_softc *)arg1;
2588
2589         value = softc->delete_method;
2590         if (value < 0 || value > DA_DELETE_MAX)
2591                 p = "UNKNOWN";
2592         else
2593                 p = da_delete_method_names[value];
2594         strncpy(buf, p, sizeof(buf));
2595         error = sysctl_handle_string(oidp, buf, sizeof(buf), req);
2596         if (error != 0 || req->newptr == NULL)
2597                 return (error);
2598         for (i = 0; i <= DA_DELETE_MAX; i++) {
2599                 if (strcmp(buf, da_delete_method_names[i]) == 0)
2600                         break;
2601         }
2602         if (i > DA_DELETE_MAX)
2603                 return (EINVAL);
2604         softc->delete_method_pref = i;
2605         dadeletemethodchoose(softc, DA_DELETE_NONE);
2606         return (0);
2607 }
2608
2609 static int
2610 dazonemodesysctl(SYSCTL_HANDLER_ARGS)
2611 {
2612         char tmpbuf[40];
2613         struct da_softc *softc;
2614         int error;
2615
2616         softc = (struct da_softc *)arg1;
2617
2618         switch (softc->zone_mode) {
2619         case DA_ZONE_DRIVE_MANAGED:
2620                 snprintf(tmpbuf, sizeof(tmpbuf), "Drive Managed");
2621                 break;
2622         case DA_ZONE_HOST_AWARE:
2623                 snprintf(tmpbuf, sizeof(tmpbuf), "Host Aware");
2624                 break;
2625         case DA_ZONE_HOST_MANAGED:
2626                 snprintf(tmpbuf, sizeof(tmpbuf), "Host Managed");
2627                 break;
2628         case DA_ZONE_NONE:
2629         default:
2630                 snprintf(tmpbuf, sizeof(tmpbuf), "Not Zoned");
2631                 break;
2632         }
2633
2634         error = sysctl_handle_string(oidp, tmpbuf, sizeof(tmpbuf), req);
2635
2636         return (error);
2637 }
2638
2639 static int
2640 dazonesupsysctl(SYSCTL_HANDLER_ARGS)
2641 {
2642         char tmpbuf[180];
2643         struct da_softc *softc;
2644         struct sbuf sb;
2645         int error, first;
2646         unsigned int i;
2647
2648         softc = (struct da_softc *)arg1;
2649
2650         error = 0;
2651         first = 1;
2652         sbuf_new(&sb, tmpbuf, sizeof(tmpbuf), 0);
2653
2654         for (i = 0; i < sizeof(da_zone_desc_table) /
2655              sizeof(da_zone_desc_table[0]); i++) {
2656                 if (softc->zone_flags & da_zone_desc_table[i].value) {
2657                         if (first == 0)
2658                                 sbuf_printf(&sb, ", ");
2659                         else
2660                                 first = 0;
2661                         sbuf_cat(&sb, da_zone_desc_table[i].desc);
2662                 }
2663         }
2664
2665         if (first == 1)
2666                 sbuf_printf(&sb, "None");
2667
2668         sbuf_finish(&sb);
2669
2670         error = sysctl_handle_string(oidp, sbuf_data(&sb), sbuf_len(&sb), req);
2671
2672         return (error);
2673 }
2674
2675 static cam_status
2676 daregister(struct cam_periph *periph, void *arg)
2677 {
2678         struct da_softc *softc;
2679         struct ccb_pathinq cpi;
2680         struct ccb_getdev *cgd;
2681         char tmpstr[80];
2682         caddr_t match;
2683
2684         cgd = (struct ccb_getdev *)arg;
2685         if (cgd == NULL) {
2686                 printf("daregister: no getdev CCB, can't register device\n");
2687                 return(CAM_REQ_CMP_ERR);
2688         }
2689
2690         softc = (struct da_softc *)malloc(sizeof(*softc), M_DEVBUF,
2691             M_NOWAIT|M_ZERO);
2692
2693         if (softc == NULL) {
2694                 printf("daregister: Unable to probe new device. "
2695                        "Unable to allocate softc\n");
2696                 return(CAM_REQ_CMP_ERR);
2697         }
2698
2699         if (cam_iosched_init(&softc->cam_iosched, periph) != 0) {
2700                 printf("daregister: Unable to probe new device. "
2701                        "Unable to allocate iosched memory\n");
2702                 free(softc, M_DEVBUF);
2703                 return(CAM_REQ_CMP_ERR);
2704         }
2705
2706         LIST_INIT(&softc->pending_ccbs);
2707         softc->state = DA_STATE_PROBE_WP;
2708         bioq_init(&softc->delete_run_queue);
2709         if (SID_IS_REMOVABLE(&cgd->inq_data))
2710                 softc->flags |= DA_FLAG_PACK_REMOVABLE;
2711         softc->unmap_max_ranges = UNMAP_MAX_RANGES;
2712         softc->unmap_max_lba = UNMAP_RANGE_MAX;
2713         softc->unmap_gran = 0;
2714         softc->unmap_gran_align = 0;
2715         softc->ws_max_blks = WS16_MAX_BLKS;
2716         softc->trim_max_ranges = ATA_TRIM_MAX_RANGES;
2717         softc->rotating = 1;
2718
2719         periph->softc = softc;
2720
2721         /*
2722          * See if this device has any quirks.
2723          */
2724         match = cam_quirkmatch((caddr_t)&cgd->inq_data,
2725                                (caddr_t)da_quirk_table,
2726                                nitems(da_quirk_table),
2727                                sizeof(*da_quirk_table), scsi_inquiry_match);
2728
2729         if (match != NULL)
2730                 softc->quirks = ((struct da_quirk_entry *)match)->quirks;
2731         else
2732                 softc->quirks = DA_Q_NONE;
2733
2734         /* Check if the SIM does not want 6 byte commands */
2735         xpt_path_inq(&cpi, periph->path);
2736         if (cpi.ccb_h.status == CAM_REQ_CMP && (cpi.hba_misc & PIM_NO_6_BYTE))
2737                 softc->quirks |= DA_Q_NO_6_BYTE;
2738
2739         if (SID_TYPE(&cgd->inq_data) == T_ZBC_HM)
2740                 softc->zone_mode = DA_ZONE_HOST_MANAGED;
2741         else if (softc->quirks & DA_Q_SMR_DM)
2742                 softc->zone_mode = DA_ZONE_DRIVE_MANAGED;
2743         else
2744                 softc->zone_mode = DA_ZONE_NONE;
2745
2746         if (softc->zone_mode != DA_ZONE_NONE) {
2747                 if (scsi_vpd_supported_page(periph, SVPD_ATA_INFORMATION)) {
2748                         if (scsi_vpd_supported_page(periph, SVPD_ZONED_BDC))
2749                                 softc->zone_interface = DA_ZONE_IF_ATA_SAT;
2750                         else
2751                                 softc->zone_interface = DA_ZONE_IF_ATA_PASS;
2752                 } else
2753                         softc->zone_interface = DA_ZONE_IF_SCSI;
2754         }
2755
2756         TASK_INIT(&softc->sysctl_task, 0, dasysctlinit, periph);
2757
2758         /*
2759          * Take an exclusive section lock qon the periph while dastart is called
2760          * to finish the probe.  The lock will be dropped in dadone at the end
2761          * of probe. This locks out daopen and daclose from racing with the
2762          * probe.
2763          *
2764          * XXX if cam_periph_hold returns an error, we don't hold a refcount.
2765          */
2766         (void)da_periph_hold(periph, PRIBIO, DA_REF_PROBE_HOLD);
2767
2768         /*
2769          * Schedule a periodic event to occasionally send an
2770          * ordered tag to a device.
2771          */
2772         callout_init_mtx(&softc->sendordered_c, cam_periph_mtx(periph), 0);
2773         callout_reset(&softc->sendordered_c,
2774             (da_default_timeout * hz) / DA_ORDEREDTAG_INTERVAL,
2775             dasendorderedtag, periph);
2776
2777         cam_periph_unlock(periph);
2778         /*
2779          * RBC devices don't have to support READ(6), only READ(10).
2780          */
2781         if (softc->quirks & DA_Q_NO_6_BYTE || SID_TYPE(&cgd->inq_data) == T_RBC)
2782                 softc->minimum_cmd_size = 10;
2783         else
2784                 softc->minimum_cmd_size = 6;
2785
2786         /*
2787          * Load the user's default, if any.
2788          */
2789         snprintf(tmpstr, sizeof(tmpstr), "kern.cam.da.%d.minimum_cmd_size",
2790                  periph->unit_number);
2791         TUNABLE_INT_FETCH(tmpstr, &softc->minimum_cmd_size);
2792
2793         /*
2794          * 6, 10, 12 and 16 are the currently permissible values.
2795          */
2796         if (softc->minimum_cmd_size > 12)
2797                 softc->minimum_cmd_size = 16;
2798         else if (softc->minimum_cmd_size > 10)
2799                 softc->minimum_cmd_size = 12;
2800         else if (softc->minimum_cmd_size > 6)
2801                 softc->minimum_cmd_size = 10;
2802         else
2803                 softc->minimum_cmd_size = 6;
2804
2805         /* Predict whether device may support READ CAPACITY(16). */
2806         if (SID_ANSI_REV(&cgd->inq_data) >= SCSI_REV_SPC3 &&
2807             (softc->quirks & DA_Q_NO_RC16) == 0) {
2808                 softc->flags |= DA_FLAG_CAN_RC16;
2809         }
2810
2811         /*
2812          * Register this media as a disk.
2813          */
2814         softc->disk = disk_alloc();
2815         softc->disk->d_devstat = devstat_new_entry(periph->periph_name,
2816                           periph->unit_number, 0,
2817                           DEVSTAT_BS_UNAVAILABLE,
2818                           SID_TYPE(&cgd->inq_data) |
2819                           XPORT_DEVSTAT_TYPE(cpi.transport),
2820                           DEVSTAT_PRIORITY_DISK);
2821         softc->disk->d_open = daopen;
2822         softc->disk->d_close = daclose;
2823         softc->disk->d_strategy = dastrategy;
2824         softc->disk->d_dump = dadump;
2825         softc->disk->d_getattr = dagetattr;
2826         softc->disk->d_gone = dadiskgonecb;
2827         softc->disk->d_name = "da";
2828         softc->disk->d_drv1 = periph;
2829         if (cpi.maxio == 0)
2830                 softc->maxio = DFLTPHYS;        /* traditional default */
2831         else if (cpi.maxio > MAXPHYS)
2832                 softc->maxio = MAXPHYS;         /* for safety */
2833         else
2834                 softc->maxio = cpi.maxio;
2835         if (softc->quirks & DA_Q_128KB)
2836                 softc->maxio = min(softc->maxio, 128 * 1024);
2837         softc->disk->d_maxsize = softc->maxio;
2838         softc->disk->d_unit = periph->unit_number;
2839         softc->disk->d_flags = DISKFLAG_DIRECT_COMPLETION | DISKFLAG_CANZONE;
2840         if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0)
2841                 softc->disk->d_flags |= DISKFLAG_CANFLUSHCACHE;
2842         if ((cpi.hba_misc & PIM_UNMAPPED) != 0) {
2843                 softc->unmappedio = 1;
2844                 softc->disk->d_flags |= DISKFLAG_UNMAPPED_BIO;
2845         }
2846         cam_strvis(softc->disk->d_descr, cgd->inq_data.vendor,
2847             sizeof(cgd->inq_data.vendor), sizeof(softc->disk->d_descr));
2848         strlcat(softc->disk->d_descr, " ", sizeof(softc->disk->d_descr));
2849         cam_strvis(&softc->disk->d_descr[strlen(softc->disk->d_descr)],
2850             cgd->inq_data.product, sizeof(cgd->inq_data.product),
2851             sizeof(softc->disk->d_descr) - strlen(softc->disk->d_descr));
2852         softc->disk->d_hba_vendor = cpi.hba_vendor;
2853         softc->disk->d_hba_device = cpi.hba_device;
2854         softc->disk->d_hba_subvendor = cpi.hba_subvendor;
2855         softc->disk->d_hba_subdevice = cpi.hba_subdevice;
2856
2857         /*
2858          * Acquire a reference to the periph before we register with GEOM.
2859          * We'll release this reference once GEOM calls us back (via
2860          * dadiskgonecb()) telling us that our provider has been freed.
2861          */
2862         if (da_periph_acquire(periph, DA_REF_GEOM) != 0) {
2863                 xpt_print(periph->path, "%s: lost periph during "
2864                           "registration!\n", __func__);
2865                 cam_periph_lock(periph);
2866                 return (CAM_REQ_CMP_ERR);
2867         }
2868
2869         disk_create(softc->disk, DISK_VERSION);
2870         cam_periph_lock(periph);
2871
2872         /*
2873          * Add async callbacks for events of interest.
2874          * I don't bother checking if this fails as,
2875          * in most cases, the system will function just
2876          * fine without them and the only alternative
2877          * would be to not attach the device on failure.
2878          */
2879         xpt_register_async(AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE |
2880             AC_ADVINFO_CHANGED | AC_SCSI_AEN | AC_UNIT_ATTENTION |
2881             AC_INQ_CHANGED, daasync, periph, periph->path);
2882
2883         /*
2884          * Emit an attribute changed notification just in case
2885          * physical path information arrived before our async
2886          * event handler was registered, but after anyone attaching
2887          * to our disk device polled it.
2888          */
2889         disk_attr_changed(softc->disk, "GEOM::physpath", M_NOWAIT);
2890
2891         /*
2892          * Schedule a periodic media polling events.
2893          */
2894         callout_init_mtx(&softc->mediapoll_c, cam_periph_mtx(periph), 0);
2895         if ((softc->flags & DA_FLAG_PACK_REMOVABLE) &&
2896             (cgd->inq_flags & SID_AEN) == 0 &&
2897             da_poll_period != 0)
2898                 callout_reset(&softc->mediapoll_c, da_poll_period * hz,
2899                     damediapoll, periph);
2900
2901         xpt_schedule(periph, CAM_PRIORITY_DEV);
2902
2903         return(CAM_REQ_CMP);
2904 }
2905
2906 static int
2907 da_zone_bio_to_scsi(int disk_zone_cmd)
2908 {
2909         switch (disk_zone_cmd) {
2910         case DISK_ZONE_OPEN:
2911                 return ZBC_OUT_SA_OPEN;
2912         case DISK_ZONE_CLOSE:
2913                 return ZBC_OUT_SA_CLOSE;
2914         case DISK_ZONE_FINISH:
2915                 return ZBC_OUT_SA_FINISH;
2916         case DISK_ZONE_RWP:
2917                 return ZBC_OUT_SA_RWP;
2918         }
2919
2920         return -1;
2921 }
2922
2923 static int
2924 da_zone_cmd(struct cam_periph *periph, union ccb *ccb, struct bio *bp,
2925             int *queue_ccb)
2926 {
2927         struct da_softc *softc;
2928         int error;
2929
2930         error = 0;
2931
2932         if (bp->bio_cmd != BIO_ZONE) {
2933                 error = EINVAL;
2934                 goto bailout;
2935         }
2936
2937         softc = periph->softc;
2938
2939         switch (bp->bio_zone.zone_cmd) {
2940         case DISK_ZONE_OPEN:
2941         case DISK_ZONE_CLOSE:
2942         case DISK_ZONE_FINISH:
2943         case DISK_ZONE_RWP: {
2944                 int zone_flags;
2945                 int zone_sa;
2946                 uint64_t lba;
2947
2948                 zone_sa = da_zone_bio_to_scsi(bp->bio_zone.zone_cmd);
2949                 if (zone_sa == -1) {
2950                         xpt_print(periph->path, "Cannot translate zone "
2951                             "cmd %#x to SCSI\n", bp->bio_zone.zone_cmd);
2952                         error = EINVAL;
2953                         goto bailout;
2954                 }
2955
2956                 zone_flags = 0;
2957                 lba = bp->bio_zone.zone_params.rwp.id;
2958
2959                 if (bp->bio_zone.zone_params.rwp.flags &
2960                     DISK_ZONE_RWP_FLAG_ALL)
2961                         zone_flags |= ZBC_OUT_ALL;
2962
2963                 if (softc->zone_interface != DA_ZONE_IF_ATA_PASS) {
2964                         scsi_zbc_out(&ccb->csio,
2965                                      /*retries*/ da_retry_count,
2966                                      /*cbfcnp*/ dadone,
2967                                      /*tag_action*/ MSG_SIMPLE_Q_TAG,
2968                                      /*service_action*/ zone_sa,
2969                                      /*zone_id*/ lba,
2970                                      /*zone_flags*/ zone_flags,
2971                                      /*data_ptr*/ NULL,
2972                                      /*dxfer_len*/ 0,
2973                                      /*sense_len*/ SSD_FULL_SIZE,
2974                                      /*timeout*/ da_default_timeout * 1000);
2975                 } else {
2976                         /*
2977                          * Note that in this case, even though we can
2978                          * technically use NCQ, we don't bother for several
2979                          * reasons:
2980                          * 1. It hasn't been tested on a SAT layer that
2981                          *    supports it.  This is new as of SAT-4.
2982                          * 2. Even when there is a SAT layer that supports
2983                          *    it, that SAT layer will also probably support
2984                          *    ZBC -> ZAC translation, since they are both
2985                          *    in the SAT-4 spec.
2986                          * 3. Translation will likely be preferable to ATA
2987                          *    passthrough.  LSI / Avago at least single
2988                          *    steps ATA passthrough commands in the HBA,
2989                          *    regardless of protocol, so unless that
2990                          *    changes, there is a performance penalty for
2991                          *    doing ATA passthrough no matter whether
2992                          *    you're using NCQ/FPDMA, DMA or PIO.
2993                          * 4. It requires a 32-byte CDB, which at least at
2994                          *    this point in CAM requires a CDB pointer, which
2995                          *    would require us to allocate an additional bit
2996                          *    of storage separate from the CCB.
2997                          */
2998                         error = scsi_ata_zac_mgmt_out(&ccb->csio,
2999                             /*retries*/ da_retry_count,
3000                             /*cbfcnp*/ dadone,
3001                             /*tag_action*/ MSG_SIMPLE_Q_TAG,
3002                             /*use_ncq*/ 0,
3003                             /*zm_action*/ zone_sa,
3004                             /*zone_id*/ lba,
3005                             /*zone_flags*/ zone_flags,
3006                             /*data_ptr*/ NULL,
3007                             /*dxfer_len*/ 0,
3008                             /*cdb_storage*/ NULL,
3009                             /*cdb_storage_len*/ 0,
3010                             /*sense_len*/ SSD_FULL_SIZE,
3011                             /*timeout*/ da_default_timeout * 1000);
3012                         if (error != 0) {
3013                                 error = EINVAL;
3014                                 xpt_print(periph->path,
3015                                     "scsi_ata_zac_mgmt_out() returned an "
3016                                     "error!");
3017                                 goto bailout;
3018                         }
3019                 }
3020                 *queue_ccb = 1;
3021
3022                 break;
3023         }
3024         case DISK_ZONE_REPORT_ZONES: {
3025                 uint8_t *rz_ptr;
3026                 uint32_t num_entries, alloc_size;
3027                 struct disk_zone_report *rep;
3028
3029                 rep = &bp->bio_zone.zone_params.report;
3030
3031                 num_entries = rep->entries_allocated;
3032                 if (num_entries == 0) {
3033                         xpt_print(periph->path, "No entries allocated for "
3034                             "Report Zones request\n");
3035                         error = EINVAL;
3036                         goto bailout;
3037                 }
3038                 alloc_size = sizeof(struct scsi_report_zones_hdr) +
3039                     (sizeof(struct scsi_report_zones_desc) * num_entries);
3040                 alloc_size = min(alloc_size, softc->disk->d_maxsize);
3041                 rz_ptr = malloc(alloc_size, M_SCSIDA, M_NOWAIT | M_ZERO);
3042                 if (rz_ptr == NULL) {
3043                         xpt_print(periph->path, "Unable to allocate memory "
3044                            "for Report Zones request\n");
3045                         error = ENOMEM;
3046                         goto bailout;
3047                 }
3048
3049                 if (softc->zone_interface != DA_ZONE_IF_ATA_PASS) {
3050                         scsi_zbc_in(&ccb->csio,
3051                                     /*retries*/ da_retry_count,
3052                                     /*cbcfnp*/ dadone,
3053                                     /*tag_action*/ MSG_SIMPLE_Q_TAG,
3054                                     /*service_action*/ ZBC_IN_SA_REPORT_ZONES,
3055                                     /*zone_start_lba*/ rep->starting_id,
3056                                     /*zone_options*/ rep->rep_options,
3057                                     /*data_ptr*/ rz_ptr,
3058                                     /*dxfer_len*/ alloc_size,
3059                                     /*sense_len*/ SSD_FULL_SIZE,
3060                                     /*timeout*/ da_default_timeout * 1000);
3061                 } else {
3062                         /*
3063                          * Note that in this case, even though we can
3064                          * technically use NCQ, we don't bother for several
3065                          * reasons:
3066                          * 1. It hasn't been tested on a SAT layer that
3067                          *    supports it.  This is new as of SAT-4.
3068                          * 2. Even when there is a SAT layer that supports
3069                          *    it, that SAT layer will also probably support
3070                          *    ZBC -> ZAC translation, since they are both
3071                          *    in the SAT-4 spec.
3072                          * 3. Translation will likely be preferable to ATA
3073                          *    passthrough.  LSI / Avago at least single
3074                          *    steps ATA passthrough commands in the HBA,
3075                          *    regardless of protocol, so unless that
3076                          *    changes, there is a performance penalty for
3077                          *    doing ATA passthrough no matter whether
3078                          *    you're using NCQ/FPDMA, DMA or PIO.
3079                          * 4. It requires a 32-byte CDB, which at least at
3080                          *    this point in CAM requires a CDB pointer, which
3081                          *    would require us to allocate an additional bit
3082                          *    of storage separate from the CCB.
3083                          */
3084                         error = scsi_ata_zac_mgmt_in(&ccb->csio,
3085                             /*retries*/ da_retry_count,
3086                             /*cbcfnp*/ dadone,
3087                             /*tag_action*/ MSG_SIMPLE_Q_TAG,
3088                             /*use_ncq*/ 0,
3089                             /*zm_action*/ ATA_ZM_REPORT_ZONES,
3090                             /*zone_id*/ rep->starting_id,
3091                             /*zone_flags*/ rep->rep_options,
3092                             /*data_ptr*/ rz_ptr,
3093                             /*dxfer_len*/ alloc_size,
3094                             /*cdb_storage*/ NULL,
3095                             /*cdb_storage_len*/ 0,
3096                             /*sense_len*/ SSD_FULL_SIZE,
3097                             /*timeout*/ da_default_timeout * 1000);
3098                         if (error != 0) {
3099                                 error = EINVAL;
3100                                 xpt_print(periph->path,
3101                                     "scsi_ata_zac_mgmt_in() returned an "
3102                                     "error!");
3103                                 goto bailout;
3104                         }
3105                 }
3106
3107                 /*
3108                  * For BIO_ZONE, this isn't normally needed.  However, it
3109                  * is used by devstat_end_transaction_bio() to determine
3110                  * how much data was transferred.
3111                  */
3112                 /*
3113                  * XXX KDM we have a problem.  But I'm not sure how to fix
3114                  * it.  devstat uses bio_bcount - bio_resid to calculate
3115                  * the amount of data transferred.   The GEOM disk code
3116                  * uses bio_length - bio_resid to calculate the amount of
3117                  * data in bio_completed.  We have different structure
3118                  * sizes above and below the ada(4) driver.  So, if we
3119                  * use the sizes above, the amount transferred won't be
3120                  * quite accurate for devstat.  If we use different sizes
3121                  * for bio_bcount and bio_length (above and below
3122                  * respectively), then the residual needs to match one or
3123                  * the other.  Everything is calculated after the bio
3124                  * leaves the driver, so changing the values around isn't
3125                  * really an option.  For now, just set the count to the
3126                  * passed in length.  This means that the calculations
3127                  * above (e.g. bio_completed) will be correct, but the
3128                  * amount of data reported to devstat will be slightly
3129                  * under or overstated.
3130                  */
3131                 bp->bio_bcount = bp->bio_length;
3132
3133                 *queue_ccb = 1;
3134
3135                 break;
3136         }
3137         case DISK_ZONE_GET_PARAMS: {
3138                 struct disk_zone_disk_params *params;
3139
3140                 params = &bp->bio_zone.zone_params.disk_params;
3141                 bzero(params, sizeof(*params));
3142
3143                 switch (softc->zone_mode) {
3144                 case DA_ZONE_DRIVE_MANAGED:
3145                         params->zone_mode = DISK_ZONE_MODE_DRIVE_MANAGED;
3146                         break;
3147                 case DA_ZONE_HOST_AWARE:
3148                         params->zone_mode = DISK_ZONE_MODE_HOST_AWARE;
3149                         break;
3150                 case DA_ZONE_HOST_MANAGED:
3151                         params->zone_mode = DISK_ZONE_MODE_HOST_MANAGED;
3152                         break;
3153                 default:
3154                 case DA_ZONE_NONE:
3155                         params->zone_mode = DISK_ZONE_MODE_NONE;
3156                         break;
3157                 }
3158
3159                 if (softc->zone_flags & DA_ZONE_FLAG_URSWRZ)
3160                         params->flags |= DISK_ZONE_DISK_URSWRZ;
3161
3162                 if (softc->zone_flags & DA_ZONE_FLAG_OPT_SEQ_SET) {
3163                         params->optimal_seq_zones = softc->optimal_seq_zones;
3164                         params->flags |= DISK_ZONE_OPT_SEQ_SET;
3165                 }
3166
3167                 if (softc->zone_flags & DA_ZONE_FLAG_OPT_NONSEQ_SET) {
3168                         params->optimal_nonseq_zones =
3169                             softc->optimal_nonseq_zones;
3170                         params->flags |= DISK_ZONE_OPT_NONSEQ_SET;
3171                 }
3172
3173                 if (softc->zone_flags & DA_ZONE_FLAG_MAX_SEQ_SET) {
3174                         params->max_seq_zones = softc->max_seq_zones;
3175                         params->flags |= DISK_ZONE_MAX_SEQ_SET;
3176                 }
3177                 if (softc->zone_flags & DA_ZONE_FLAG_RZ_SUP)
3178                         params->flags |= DISK_ZONE_RZ_SUP;
3179
3180                 if (softc->zone_flags & DA_ZONE_FLAG_OPEN_SUP)
3181                         params->flags |= DISK_ZONE_OPEN_SUP;
3182
3183                 if (softc->zone_flags & DA_ZONE_FLAG_CLOSE_SUP)
3184                         params->flags |= DISK_ZONE_CLOSE_SUP;
3185
3186                 if (softc->zone_flags & DA_ZONE_FLAG_FINISH_SUP)
3187                         params->flags |= DISK_ZONE_FINISH_SUP;
3188
3189                 if (softc->zone_flags & DA_ZONE_FLAG_RWP_SUP)
3190                         params->flags |= DISK_ZONE_RWP_SUP;
3191                 break;
3192         }
3193         default:
3194                 break;
3195         }
3196 bailout:
3197         return (error);
3198 }
3199
3200 static void
3201 dastart(struct cam_periph *periph, union ccb *start_ccb)
3202 {
3203         struct da_softc *softc;
3204
3205         cam_periph_assert(periph, MA_OWNED);
3206         softc = (struct da_softc *)periph->softc;
3207
3208         CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dastart\n"));
3209
3210 skipstate:
3211         switch (softc->state) {
3212         case DA_STATE_NORMAL:
3213         {
3214                 struct bio *bp;
3215                 uint8_t tag_code;
3216
3217 more:
3218                 bp = cam_iosched_next_bio(softc->cam_iosched);
3219                 if (bp == NULL) {
3220                         if (cam_iosched_has_work_flags(softc->cam_iosched,
3221                             DA_WORK_TUR)) {
3222                                 softc->flags |= DA_FLAG_TUR_PENDING;
3223                                 cam_iosched_clr_work_flags(softc->cam_iosched,
3224                                     DA_WORK_TUR);
3225                                 scsi_test_unit_ready(&start_ccb->csio,
3226                                      /*retries*/ da_retry_count,
3227                                      dadone_tur,
3228                                      MSG_SIMPLE_Q_TAG,
3229                                      SSD_FULL_SIZE,
3230                                      da_default_timeout * 1000);
3231                                 start_ccb->ccb_h.ccb_bp = NULL;
3232                                 start_ccb->ccb_h.ccb_state = DA_CCB_TUR;
3233                                 xpt_action(start_ccb);
3234                         } else
3235                                 xpt_release_ccb(start_ccb);
3236                         break;
3237                 }
3238
3239                 if (bp->bio_cmd == BIO_DELETE) {
3240                         if (softc->delete_func != NULL) {
3241                                 softc->delete_func(periph, start_ccb, bp);
3242                                 goto out;
3243                         } else {
3244                                 /*
3245                                  * Not sure this is possible, but failsafe by
3246                                  * lying and saying "sure, done."
3247                                  */
3248                                 biofinish(bp, NULL, 0);
3249                                 goto more;
3250                         }
3251                 }
3252
3253                 if (cam_iosched_has_work_flags(softc->cam_iosched,
3254                     DA_WORK_TUR)) {
3255                         cam_iosched_clr_work_flags(softc->cam_iosched,
3256                             DA_WORK_TUR);
3257                         da_periph_release_locked(periph, DA_REF_TUR);
3258                 }
3259
3260                 if ((bp->bio_flags & BIO_ORDERED) != 0 ||
3261                     (softc->flags & DA_FLAG_NEED_OTAG) != 0) {
3262                         softc->flags &= ~DA_FLAG_NEED_OTAG;
3263                         softc->flags |= DA_FLAG_WAS_OTAG;
3264                         tag_code = MSG_ORDERED_Q_TAG;
3265                 } else {
3266                         tag_code = MSG_SIMPLE_Q_TAG;
3267                 }
3268
3269                 switch (bp->bio_cmd) {
3270                 case BIO_WRITE:
3271                 case BIO_READ:
3272                 {
3273                         void *data_ptr;
3274                         int rw_op;
3275
3276                         biotrack(bp, __func__);
3277
3278                         if (bp->bio_cmd == BIO_WRITE) {
3279                                 softc->flags |= DA_FLAG_DIRTY;
3280                                 rw_op = SCSI_RW_WRITE;
3281                         } else {
3282                                 rw_op = SCSI_RW_READ;
3283                         }
3284
3285                         data_ptr = bp->bio_data;
3286                         if ((bp->bio_flags & (BIO_UNMAPPED|BIO_VLIST)) != 0) {
3287                                 rw_op |= SCSI_RW_BIO;
3288                                 data_ptr = bp;
3289                         }
3290
3291                         scsi_read_write(&start_ccb->csio,
3292                                         /*retries*/da_retry_count,
3293                                         /*cbfcnp*/dadone,
3294                                         /*tag_action*/tag_code,
3295                                         rw_op,
3296                                         /*byte2*/0,
3297                                         softc->minimum_cmd_size,
3298                                         /*lba*/bp->bio_pblkno,
3299                                         /*block_count*/bp->bio_bcount /
3300                                         softc->params.secsize,
3301                                         data_ptr,
3302                                         /*dxfer_len*/ bp->bio_bcount,
3303                                         /*sense_len*/SSD_FULL_SIZE,
3304                                         da_default_timeout * 1000);
3305 #if defined(BUF_TRACKING) || defined(FULL_BUF_TRACKING)
3306                         start_ccb->csio.bio = bp;
3307 #endif
3308                         break;
3309                 }
3310                 case BIO_FLUSH:
3311                         /*
3312                          * If we don't support sync cache, or the disk
3313                          * isn't dirty, FLUSH is a no-op.  Use the
3314                          * allocated CCB for the next bio if one is
3315                          * available.
3316                          */
3317                         if ((softc->quirks & DA_Q_NO_SYNC_CACHE) != 0 ||
3318                             (softc->flags & DA_FLAG_DIRTY) == 0) {
3319                                 biodone(bp);
3320                                 goto skipstate;
3321                         }
3322
3323                         /*
3324                          * BIO_FLUSH doesn't currently communicate
3325                          * range data, so we synchronize the cache
3326                          * over the whole disk.
3327                          */
3328                         scsi_synchronize_cache(&start_ccb->csio,
3329                                                /*retries*/1,
3330                                                /*cbfcnp*/dadone,
3331                                                /*tag_action*/tag_code,
3332                                                /*begin_lba*/0,
3333                                                /*lb_count*/0,
3334                                                SSD_FULL_SIZE,
3335                                                da_default_timeout*1000);
3336                         /*
3337                          * Clear the dirty flag before sending the command.
3338                          * Either this sync cache will be successful, or it
3339                          * will fail after a retry.  If it fails, it is
3340                          * unlikely to be successful if retried later, so
3341                          * we'll save ourselves time by just marking the
3342                          * device clean.
3343                          */
3344                         softc->flags &= ~DA_FLAG_DIRTY;
3345                         break;
3346                 case BIO_ZONE: {
3347                         int error, queue_ccb;
3348
3349                         queue_ccb = 0;
3350
3351                         error = da_zone_cmd(periph, start_ccb, bp,&queue_ccb);
3352                         if ((error != 0)
3353                          || (queue_ccb == 0)) {
3354                                 biofinish(bp, NULL, error);
3355                                 xpt_release_ccb(start_ccb);
3356                                 return;
3357                         }
3358                         break;
3359                 }
3360                 }
3361                 start_ccb->ccb_h.ccb_state = DA_CCB_BUFFER_IO;
3362                 start_ccb->ccb_h.flags |= CAM_UNLOCKED;
3363                 start_ccb->ccb_h.softtimeout = sbttotv(da_default_softtimeout);
3364
3365 out:
3366                 LIST_INSERT_HEAD(&softc->pending_ccbs,
3367                                  &start_ccb->ccb_h, periph_links.le);
3368
3369                 /* We expect a unit attention from this device */
3370                 if ((softc->flags & DA_FLAG_RETRY_UA) != 0) {
3371                         start_ccb->ccb_h.ccb_state |= DA_CCB_RETRY_UA;
3372                         softc->flags &= ~DA_FLAG_RETRY_UA;
3373                 }
3374
3375                 start_ccb->ccb_h.ccb_bp = bp;
3376                 softc->refcount++;
3377                 cam_periph_unlock(periph);
3378                 xpt_action(start_ccb);
3379                 cam_periph_lock(periph);
3380
3381                 /* May have more work to do, so ensure we stay scheduled */
3382                 daschedule(periph);
3383                 break;
3384         }
3385         case DA_STATE_PROBE_WP:
3386         {
3387                 void  *mode_buf;
3388                 int    mode_buf_len;
3389
3390                 if (da_disable_wp_detection) {
3391                         if ((softc->flags & DA_FLAG_CAN_RC16) != 0)
3392                                 softc->state = DA_STATE_PROBE_RC16;
3393                         else
3394                                 softc->state = DA_STATE_PROBE_RC;
3395                         goto skipstate;
3396                 }
3397                 mode_buf_len = 192;
3398                 mode_buf = malloc(mode_buf_len, M_SCSIDA, M_NOWAIT);
3399                 if (mode_buf == NULL) {
3400                         xpt_print(periph->path, "Unable to send mode sense - "
3401                             "malloc failure\n");
3402                         if ((softc->flags & DA_FLAG_CAN_RC16) != 0)
3403                                 softc->state = DA_STATE_PROBE_RC16;
3404                         else
3405                                 softc->state = DA_STATE_PROBE_RC;
3406                         goto skipstate;
3407                 }
3408                 scsi_mode_sense_len(&start_ccb->csio,
3409                                     /*retries*/ da_retry_count,
3410                                     /*cbfcnp*/ dadone_probewp,
3411                                     /*tag_action*/ MSG_SIMPLE_Q_TAG,
3412                                     /*dbd*/ FALSE,
3413                                     /*pc*/ SMS_PAGE_CTRL_CURRENT,
3414                                     /*page*/ SMS_ALL_PAGES_PAGE,
3415                                     /*param_buf*/ mode_buf,
3416                                     /*param_len*/ mode_buf_len,
3417                                     /*minimum_cmd_size*/ softc->minimum_cmd_size,
3418                                     /*sense_len*/ SSD_FULL_SIZE,
3419                                     /*timeout*/ da_default_timeout * 1000);
3420                 start_ccb->ccb_h.ccb_bp = NULL;
3421                 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_WP;
3422                 xpt_action(start_ccb);
3423                 break;
3424         }
3425         case DA_STATE_PROBE_RC:
3426         {
3427                 struct scsi_read_capacity_data *rcap;
3428
3429                 rcap = (struct scsi_read_capacity_data *)
3430                     malloc(sizeof(*rcap), M_SCSIDA, M_NOWAIT|M_ZERO);
3431                 if (rcap == NULL) {
3432                         printf("dastart: Couldn't malloc read_capacity data\n");
3433                         /* da_free_periph??? */
3434                         break;
3435                 }
3436                 scsi_read_capacity(&start_ccb->csio,
3437                                    /*retries*/da_retry_count,
3438                                    dadone_proberc,
3439                                    MSG_SIMPLE_Q_TAG,
3440                                    rcap,
3441                                    SSD_FULL_SIZE,
3442                                    /*timeout*/5000);
3443                 start_ccb->ccb_h.ccb_bp = NULL;
3444                 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_RC;
3445                 xpt_action(start_ccb);
3446                 break;
3447         }
3448         case DA_STATE_PROBE_RC16:
3449         {
3450                 struct scsi_read_capacity_data_long *rcaplong;
3451
3452                 rcaplong = (struct scsi_read_capacity_data_long *)
3453                         malloc(sizeof(*rcaplong), M_SCSIDA, M_NOWAIT|M_ZERO);
3454                 if (rcaplong == NULL) {
3455                         printf("dastart: Couldn't malloc read_capacity data\n");
3456                         /* da_free_periph??? */
3457                         break;
3458                 }
3459                 scsi_read_capacity_16(&start_ccb->csio,
3460                                       /*retries*/ da_retry_count,
3461                                       /*cbfcnp*/ dadone_proberc,
3462                                       /*tag_action*/ MSG_SIMPLE_Q_TAG,
3463                                       /*lba*/ 0,
3464                                       /*reladr*/ 0,
3465                                       /*pmi*/ 0,
3466                                       /*rcap_buf*/ (uint8_t *)rcaplong,
3467                                       /*rcap_buf_len*/ sizeof(*rcaplong),
3468                                       /*sense_len*/ SSD_FULL_SIZE,
3469                                       /*timeout*/ da_default_timeout * 1000);
3470                 start_ccb->ccb_h.ccb_bp = NULL;
3471                 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_RC16;
3472                 xpt_action(start_ccb);
3473                 break;
3474         }
3475         case DA_STATE_PROBE_LBP:
3476         {
3477                 struct scsi_vpd_logical_block_prov *lbp;
3478
3479                 if (!scsi_vpd_supported_page(periph, SVPD_LBP)) {
3480                         /*
3481                          * If we get here we don't support any SBC-3 delete
3482                          * methods with UNMAP as the Logical Block Provisioning
3483                          * VPD page support is required for devices which
3484                          * support it according to T10/1799-D Revision 31
3485                          * however older revisions of the spec don't mandate
3486                          * this so we currently don't remove these methods
3487                          * from the available set.
3488                          */
3489                         softc->state = DA_STATE_PROBE_BLK_LIMITS;
3490                         goto skipstate;
3491                 }
3492
3493                 lbp = (struct scsi_vpd_logical_block_prov *)
3494                         malloc(sizeof(*lbp), M_SCSIDA, M_NOWAIT|M_ZERO);
3495
3496                 if (lbp == NULL) {
3497                         printf("dastart: Couldn't malloc lbp data\n");
3498                         /* da_free_periph??? */
3499                         break;
3500                 }
3501
3502                 scsi_inquiry(&start_ccb->csio,
3503                              /*retries*/da_retry_count,
3504                              /*cbfcnp*/dadone_probelbp,
3505                              /*tag_action*/MSG_SIMPLE_Q_TAG,
3506                              /*inq_buf*/(u_int8_t *)lbp,
3507                              /*inq_len*/sizeof(*lbp),
3508                              /*evpd*/TRUE,
3509                              /*page_code*/SVPD_LBP,
3510                              /*sense_len*/SSD_MIN_SIZE,
3511                              /*timeout*/da_default_timeout * 1000);
3512                 start_ccb->ccb_h.ccb_bp = NULL;
3513                 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_LBP;
3514                 xpt_action(start_ccb);
3515                 break;
3516         }
3517         case DA_STATE_PROBE_BLK_LIMITS:
3518         {
3519                 struct scsi_vpd_block_limits *block_limits;
3520
3521                 if (!scsi_vpd_supported_page(periph, SVPD_BLOCK_LIMITS)) {
3522                         /* Not supported skip to next probe */
3523                         softc->state = DA_STATE_PROBE_BDC;
3524                         goto skipstate;
3525                 }
3526
3527                 block_limits = (struct scsi_vpd_block_limits *)
3528                         malloc(sizeof(*block_limits), M_SCSIDA, M_NOWAIT|M_ZERO);
3529
3530                 if (block_limits == NULL) {
3531                         printf("dastart: Couldn't malloc block_limits data\n");
3532                         /* da_free_periph??? */
3533                         break;
3534                 }
3535
3536                 scsi_inquiry(&start_ccb->csio,
3537                              /*retries*/da_retry_count,
3538                              /*cbfcnp*/dadone_probeblklimits,
3539                              /*tag_action*/MSG_SIMPLE_Q_TAG,
3540                              /*inq_buf*/(u_int8_t *)block_limits,
3541                              /*inq_len*/sizeof(*block_limits),
3542                              /*evpd*/TRUE,
3543                              /*page_code*/SVPD_BLOCK_LIMITS,
3544                              /*sense_len*/SSD_MIN_SIZE,
3545                              /*timeout*/da_default_timeout * 1000);
3546                 start_ccb->ccb_h.ccb_bp = NULL;
3547                 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_BLK_LIMITS;
3548                 xpt_action(start_ccb);
3549                 break;
3550         }
3551         case DA_STATE_PROBE_BDC:
3552         {
3553                 struct scsi_vpd_block_characteristics *bdc;
3554
3555                 if (!scsi_vpd_supported_page(periph, SVPD_BDC)) {
3556                         softc->state = DA_STATE_PROBE_ATA;
3557                         goto skipstate;
3558                 }
3559
3560                 bdc = (struct scsi_vpd_block_characteristics *)
3561                         malloc(sizeof(*bdc), M_SCSIDA, M_NOWAIT|M_ZERO);
3562
3563                 if (bdc == NULL) {
3564                         printf("dastart: Couldn't malloc bdc data\n");
3565                         /* da_free_periph??? */
3566                         break;
3567                 }
3568
3569                 scsi_inquiry(&start_ccb->csio,
3570                              /*retries*/da_retry_count,
3571                              /*cbfcnp*/dadone_probebdc,
3572                              /*tag_action*/MSG_SIMPLE_Q_TAG,
3573                              /*inq_buf*/(u_int8_t *)bdc,
3574                              /*inq_len*/sizeof(*bdc),
3575                              /*evpd*/TRUE,
3576                              /*page_code*/SVPD_BDC,
3577                              /*sense_len*/SSD_MIN_SIZE,
3578                              /*timeout*/da_default_timeout * 1000);
3579                 start_ccb->ccb_h.ccb_bp = NULL;
3580                 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_BDC;
3581                 xpt_action(start_ccb);
3582                 break;
3583         }
3584         case DA_STATE_PROBE_ATA:
3585         {
3586                 struct ata_params *ata_params;
3587
3588                 if (!scsi_vpd_supported_page(periph, SVPD_ATA_INFORMATION)) {
3589                         if ((softc->zone_mode == DA_ZONE_HOST_AWARE)
3590                          || (softc->zone_mode == DA_ZONE_HOST_MANAGED)) {
3591                                 /*
3592                                  * Note that if the ATA VPD page isn't
3593                                  * supported, we aren't talking to an ATA
3594                                  * device anyway.  Support for that VPD
3595                                  * page is mandatory for SCSI to ATA (SAT)
3596                                  * translation layers.
3597                                  */
3598                                 softc->state = DA_STATE_PROBE_ZONE;
3599                                 goto skipstate;
3600                         }
3601                         daprobedone(periph, start_ccb);
3602                         break;
3603                 }
3604
3605                 ata_params = (struct ata_params*)
3606                         malloc(sizeof(*ata_params), M_SCSIDA,M_NOWAIT|M_ZERO);
3607
3608                 if (ata_params == NULL) {
3609                         xpt_print(periph->path, "Couldn't malloc ata_params "
3610                             "data\n");
3611                         /* da_free_periph??? */
3612                         break;
3613                 }
3614
3615                 scsi_ata_identify(&start_ccb->csio,
3616                                   /*retries*/da_retry_count,
3617                                   /*cbfcnp*/dadone_probeata,
3618                                   /*tag_action*/MSG_SIMPLE_Q_TAG,
3619                                   /*data_ptr*/(u_int8_t *)ata_params,
3620                                   /*dxfer_len*/sizeof(*ata_params),
3621                                   /*sense_len*/SSD_FULL_SIZE,
3622                                   /*timeout*/da_default_timeout * 1000);
3623                 start_ccb->ccb_h.ccb_bp = NULL;
3624                 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_ATA;
3625                 xpt_action(start_ccb);
3626                 break;
3627         }
3628         case DA_STATE_PROBE_ATA_LOGDIR:
3629         {
3630                 struct ata_gp_log_dir *log_dir;
3631                 int retval;
3632
3633                 retval = 0;
3634
3635                 if ((softc->flags & DA_FLAG_CAN_ATA_LOG) == 0) {
3636                         /*
3637                          * If we don't have log support, not much point in
3638                          * trying to probe zone support.
3639                          */
3640                         daprobedone(periph, start_ccb);
3641                         break;
3642                 }
3643
3644                 /*
3645                  * If we have an ATA device (the SCSI ATA Information VPD
3646                  * page should be present and the ATA identify should have
3647                  * succeeded) and it supports logs, ask for the log directory.
3648                  */
3649
3650                 log_dir = malloc(sizeof(*log_dir), M_SCSIDA, M_NOWAIT|M_ZERO);
3651                 if (log_dir == NULL) {
3652                         xpt_print(periph->path, "Couldn't malloc log_dir "
3653                             "data\n");
3654                         daprobedone(periph, start_ccb);
3655                         break;
3656                 }
3657
3658                 retval = scsi_ata_read_log(&start_ccb->csio,
3659                     /*retries*/ da_retry_count,
3660                     /*cbfcnp*/ dadone_probeatalogdir,
3661                     /*tag_action*/ MSG_SIMPLE_Q_TAG,
3662                     /*log_address*/ ATA_LOG_DIRECTORY,
3663                     /*page_number*/ 0,
3664                     /*block_count*/ 1,
3665                     /*protocol*/ softc->flags & DA_FLAG_CAN_ATA_DMA ?
3666                                  AP_PROTO_DMA : AP_PROTO_PIO_IN,
3667                     /*data_ptr*/ (uint8_t *)log_dir,
3668                     /*dxfer_len*/ sizeof(*log_dir),
3669                     /*sense_len*/ SSD_FULL_SIZE,
3670                     /*timeout*/ da_default_timeout * 1000);
3671
3672                 if (retval != 0) {
3673                         xpt_print(periph->path, "scsi_ata_read_log() failed!");
3674                         free(log_dir, M_SCSIDA);
3675                         daprobedone(periph, start_ccb);
3676                         break;
3677                 }
3678                 start_ccb->ccb_h.ccb_bp = NULL;
3679                 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_ATA_LOGDIR;
3680                 xpt_action(start_ccb);
3681                 break;
3682         }
3683         case DA_STATE_PROBE_ATA_IDDIR:
3684         {
3685                 struct ata_identify_log_pages *id_dir;
3686                 int retval;
3687
3688                 retval = 0;
3689
3690                 /*
3691                  * Check here to see whether the Identify Device log is
3692                  * supported in the directory of logs.  If so, continue
3693                  * with requesting the log of identify device pages.
3694                  */
3695                 if ((softc->flags & DA_FLAG_CAN_ATA_IDLOG) == 0) {
3696                         daprobedone(periph, start_ccb);
3697                         break;
3698                 }
3699
3700                 id_dir = malloc(sizeof(*id_dir), M_SCSIDA, M_NOWAIT | M_ZERO);
3701                 if (id_dir == NULL) {
3702                         xpt_print(periph->path, "Couldn't malloc id_dir "
3703                             "data\n");
3704                         daprobedone(periph, start_ccb);
3705                         break;
3706                 }
3707
3708                 retval = scsi_ata_read_log(&start_ccb->csio,
3709                     /*retries*/ da_retry_count,
3710                     /*cbfcnp*/ dadone_probeataiddir,
3711                     /*tag_action*/ MSG_SIMPLE_Q_TAG,
3712                     /*log_address*/ ATA_IDENTIFY_DATA_LOG,
3713                     /*page_number*/ ATA_IDL_PAGE_LIST,
3714                     /*block_count*/ 1,
3715                     /*protocol*/ softc->flags & DA_FLAG_CAN_ATA_DMA ?
3716                                  AP_PROTO_DMA : AP_PROTO_PIO_IN,
3717                     /*data_ptr*/ (uint8_t *)id_dir,
3718                     /*dxfer_len*/ sizeof(*id_dir),
3719                     /*sense_len*/ SSD_FULL_SIZE,
3720                     /*timeout*/ da_default_timeout * 1000);
3721
3722                 if (retval != 0) {
3723                         xpt_print(periph->path, "scsi_ata_read_log() failed!");
3724                         free(id_dir, M_SCSIDA);
3725                         daprobedone(periph, start_ccb);
3726                         break;
3727                 }
3728                 start_ccb->ccb_h.ccb_bp = NULL;
3729                 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_ATA_IDDIR;
3730                 xpt_action(start_ccb);
3731                 break;
3732         }
3733         case DA_STATE_PROBE_ATA_SUP:
3734         {
3735                 struct ata_identify_log_sup_cap *sup_cap;
3736                 int retval;
3737
3738                 retval = 0;
3739
3740                 /*
3741                  * Check here to see whether the Supported Capabilities log
3742                  * is in the list of Identify Device logs.
3743                  */
3744                 if ((softc->flags & DA_FLAG_CAN_ATA_SUPCAP) == 0) {
3745                         daprobedone(periph, start_ccb);
3746                         break;
3747                 }
3748
3749                 sup_cap = malloc(sizeof(*sup_cap), M_SCSIDA, M_NOWAIT|M_ZERO);
3750                 if (sup_cap == NULL) {
3751                         xpt_print(periph->path, "Couldn't malloc sup_cap "
3752                             "data\n");
3753                         daprobedone(periph, start_ccb);
3754                         break;
3755                 }
3756
3757                 retval = scsi_ata_read_log(&start_ccb->csio,
3758                     /*retries*/ da_retry_count,
3759                     /*cbfcnp*/ dadone_probeatasup,
3760                     /*tag_action*/ MSG_SIMPLE_Q_TAG,
3761                     /*log_address*/ ATA_IDENTIFY_DATA_LOG,
3762                     /*page_number*/ ATA_IDL_SUP_CAP,
3763                     /*block_count*/ 1,
3764                     /*protocol*/ softc->flags & DA_FLAG_CAN_ATA_DMA ?
3765                                  AP_PROTO_DMA : AP_PROTO_PIO_IN,
3766                     /*data_ptr*/ (uint8_t *)sup_cap,
3767                     /*dxfer_len*/ sizeof(*sup_cap),
3768                     /*sense_len*/ SSD_FULL_SIZE,
3769                     /*timeout*/ da_default_timeout * 1000);
3770
3771                 if (retval != 0) {
3772                         xpt_print(periph->path, "scsi_ata_read_log() failed!");
3773                         free(sup_cap, M_SCSIDA);
3774                         daprobedone(periph, start_ccb);
3775                         break;
3776
3777                 }
3778
3779                 start_ccb->ccb_h.ccb_bp = NULL;
3780                 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_ATA_SUP;
3781                 xpt_action(start_ccb);
3782                 break;
3783         }
3784         case DA_STATE_PROBE_ATA_ZONE:
3785         {
3786                 struct ata_zoned_info_log *ata_zone;
3787                 int retval;
3788
3789                 retval = 0;
3790
3791                 /*
3792                  * Check here to see whether the zoned device information
3793                  * page is supported.  If so, continue on to request it.
3794                  * If not, skip to DA_STATE_PROBE_LOG or done.
3795                  */
3796                 if ((softc->flags & DA_FLAG_CAN_ATA_ZONE) == 0) {
3797                         daprobedone(periph, start_ccb);
3798                         break;
3799                 }
3800                 ata_zone = malloc(sizeof(*ata_zone), M_SCSIDA,
3801                                   M_NOWAIT|M_ZERO);
3802                 if (ata_zone == NULL) {
3803                         xpt_print(periph->path, "Couldn't malloc ata_zone "
3804                             "data\n");
3805                         daprobedone(periph, start_ccb);
3806                         break;
3807                 }
3808
3809                 retval = scsi_ata_read_log(&start_ccb->csio,
3810                     /*retries*/ da_retry_count,
3811                     /*cbfcnp*/ dadone_probeatazone,
3812                     /*tag_action*/ MSG_SIMPLE_Q_TAG,
3813                     /*log_address*/ ATA_IDENTIFY_DATA_LOG,
3814                     /*page_number*/ ATA_IDL_ZDI,
3815                     /*block_count*/ 1,
3816                     /*protocol*/ softc->flags & DA_FLAG_CAN_ATA_DMA ?
3817                                  AP_PROTO_DMA : AP_PROTO_PIO_IN,
3818                     /*data_ptr*/ (uint8_t *)ata_zone,
3819                     /*dxfer_len*/ sizeof(*ata_zone),
3820                     /*sense_len*/ SSD_FULL_SIZE,
3821                     /*timeout*/ da_default_timeout * 1000);
3822
3823                 if (retval != 0) {
3824                         xpt_print(periph->path, "scsi_ata_read_log() failed!");
3825                         free(ata_zone, M_SCSIDA);
3826                         daprobedone(periph, start_ccb);
3827                         break;
3828                 }
3829                 start_ccb->ccb_h.ccb_bp = NULL;
3830                 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_ATA_ZONE;
3831                 xpt_action(start_ccb);
3832
3833                 break;
3834         }
3835         case DA_STATE_PROBE_ZONE:
3836         {
3837                 struct scsi_vpd_zoned_bdc *bdc;
3838
3839                 /*
3840                  * Note that this page will be supported for SCSI protocol
3841                  * devices that support ZBC (SMR devices), as well as ATA
3842                  * protocol devices that are behind a SAT (SCSI to ATA
3843                  * Translation) layer that supports converting ZBC commands
3844                  * to their ZAC equivalents.
3845                  */
3846                 if (!scsi_vpd_supported_page(periph, SVPD_ZONED_BDC)) {
3847                         daprobedone(periph, start_ccb);
3848                         break;
3849                 }
3850                 bdc = (struct scsi_vpd_zoned_bdc *)
3851                         malloc(sizeof(*bdc), M_SCSIDA, M_NOWAIT|M_ZERO);
3852
3853                 if (bdc == NULL) {
3854                         xpt_release_ccb(start_ccb);
3855                         xpt_print(periph->path, "Couldn't malloc zone VPD "
3856                             "data\n");
3857                         break;
3858                 }
3859                 scsi_inquiry(&start_ccb->csio,
3860                              /*retries*/da_retry_count,
3861                              /*cbfcnp*/dadone_probezone,
3862                              /*tag_action*/MSG_SIMPLE_Q_TAG,
3863                              /*inq_buf*/(u_int8_t *)bdc,
3864                              /*inq_len*/sizeof(*bdc),
3865                              /*evpd*/TRUE,
3866                              /*page_code*/SVPD_ZONED_BDC,
3867                              /*sense_len*/SSD_FULL_SIZE,
3868                              /*timeout*/da_default_timeout * 1000);
3869                 start_ccb->ccb_h.ccb_bp = NULL;
3870                 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_ZONE;
3871                 xpt_action(start_ccb);
3872                 break;
3873         }
3874         }
3875 }
3876
3877 /*
3878  * In each of the methods below, while its the caller's
3879  * responsibility to ensure the request will fit into a
3880  * single device request, we might have changed the delete
3881  * method due to the device incorrectly advertising either
3882  * its supported methods or limits.
3883  *
3884  * To prevent this causing further issues we validate the
3885  * against the methods limits, and warn which would
3886  * otherwise be unnecessary.
3887  */
3888 static void
3889 da_delete_unmap(struct cam_periph *periph, union ccb *ccb, struct bio *bp)
3890 {
3891         struct da_softc *softc = (struct da_softc *)periph->softc;;
3892         struct bio *bp1;
3893         uint8_t *buf = softc->unmap_buf;
3894         struct scsi_unmap_desc *d = (void *)&buf[UNMAP_HEAD_SIZE];
3895         uint64_t lba, lastlba = (uint64_t)-1;
3896         uint64_t totalcount = 0;
3897         uint64_t count;
3898         uint32_t c, lastcount = 0, ranges = 0;
3899
3900         /*
3901          * Currently this doesn't take the UNMAP
3902          * Granularity and Granularity Alignment
3903          * fields into account.
3904          *
3905          * This could result in both unoptimal unmap
3906          * requests as as well as UNMAP calls unmapping
3907          * fewer LBA's than requested.
3908          */
3909
3910         bzero(softc->unmap_buf, sizeof(softc->unmap_buf));
3911         bp1 = bp;
3912         do {
3913                 /*
3914                  * Note: ada and da are different in how they store the
3915                  * pending bp's in a trim. ada stores all of them in the
3916                  * trim_req.bps. da stores all but the first one in the
3917                  * delete_run_queue. ada then completes all the bps in
3918                  * its adadone() loop. da completes all the bps in the
3919                  * delete_run_queue in dadone, and relies on the biodone
3920                  * after to complete. This should be reconciled since there's
3921                  * no real reason to do it differently. XXX
3922                  */
3923                 if (bp1 != bp)
3924                         bioq_insert_tail(&softc->delete_run_queue, bp1);
3925                 lba = bp1->bio_pblkno;
3926                 count = bp1->bio_bcount / softc->params.secsize;
3927
3928                 /* Try to extend the previous range. */
3929                 if (lba == lastlba) {
3930                         c = omin(count, UNMAP_RANGE_MAX - lastcount);
3931                         lastlba += c;
3932                         lastcount += c;
3933                         scsi_ulto4b(lastcount, d[ranges - 1].length);
3934                         count -= c;
3935                         lba += c;
3936                         totalcount += c;
3937                 } else if ((softc->quirks & DA_Q_STRICT_UNMAP) &&
3938                     softc->unmap_gran != 0) {
3939                         /* Align length of the previous range. */
3940                         if ((c = lastcount % softc->unmap_gran) != 0) {
3941                                 if (lastcount <= c) {
3942                                         totalcount -= lastcount;
3943                                         lastlba = (uint64_t)-1;
3944                                         lastcount = 0;
3945                                         ranges--;
3946                                 } else {
3947                                         totalcount -= c;
3948                                         lastlba -= c;
3949                                         lastcount -= c;
3950                                         scsi_ulto4b(lastcount,
3951                                             d[ranges - 1].length);
3952                                 }
3953                         }
3954                         /* Align beginning of the new range. */
3955                         c = (lba - softc->unmap_gran_align) % softc->unmap_gran;
3956                         if (c != 0) {
3957                                 c = softc->unmap_gran - c;
3958                                 if (count <= c) {
3959                                         count = 0;
3960                                 } else {
3961                                         lba += c;
3962                                         count -= c;
3963                                 }
3964                         }
3965                 }
3966
3967                 while (count > 0) {
3968                         c = omin(count, UNMAP_RANGE_MAX);
3969                         if (totalcount + c > softc->unmap_max_lba ||
3970                             ranges >= softc->unmap_max_ranges) {
3971                                 xpt_print(periph->path,
3972                                     "%s issuing short delete %ld > %ld"
3973                                     "|| %d >= %d",
3974                                     da_delete_method_desc[softc->delete_method],
3975                                     totalcount + c, softc->unmap_max_lba,
3976                                     ranges, softc->unmap_max_ranges);
3977                                 break;
3978                         }
3979                         scsi_u64to8b(lba, d[ranges].lba);
3980                         scsi_ulto4b(c, d[ranges].length);
3981                         lba += c;
3982                         totalcount += c;
3983                         ranges++;
3984                         count -= c;
3985                         lastlba = lba;
3986                         lastcount = c;
3987                 }
3988                 bp1 = cam_iosched_next_trim(softc->cam_iosched);
3989                 if (bp1 == NULL)
3990                         break;
3991                 if (ranges >= softc->unmap_max_ranges ||
3992                     totalcount + bp1->bio_bcount /
3993                     softc->params.secsize > softc->unmap_max_lba) {
3994                         cam_iosched_put_back_trim(softc->cam_iosched, bp1);
3995                         break;
3996                 }
3997         } while (1);
3998
3999         /* Align length of the last range. */
4000         if ((softc->quirks & DA_Q_STRICT_UNMAP) && softc->unmap_gran != 0 &&
4001             (c = lastcount % softc->unmap_gran) != 0) {
4002                 if (lastcount <= c)
4003                         ranges--;
4004                 else
4005                         scsi_ulto4b(lastcount - c, d[ranges - 1].length);
4006         }
4007
4008         scsi_ulto2b(ranges * 16 + 6, &buf[0]);
4009         scsi_ulto2b(ranges * 16, &buf[2]);
4010
4011         scsi_unmap(&ccb->csio,
4012                    /*retries*/da_retry_count,
4013                    /*cbfcnp*/dadone,
4014                    /*tag_action*/MSG_SIMPLE_Q_TAG,
4015                    /*byte2*/0,
4016                    /*data_ptr*/ buf,
4017                    /*dxfer_len*/ ranges * 16 + 8,
4018                    /*sense_len*/SSD_FULL_SIZE,
4019                    da_default_timeout * 1000);
4020         ccb->ccb_h.ccb_state = DA_CCB_DELETE;
4021         ccb->ccb_h.flags |= CAM_UNLOCKED;
4022         softc->trim_count++;
4023         softc->trim_ranges += ranges;
4024         softc->trim_lbas += totalcount;
4025         cam_iosched_submit_trim(softc->cam_iosched);
4026 }
4027
4028 static void
4029 da_delete_trim(struct cam_periph *periph, union ccb *ccb, struct bio *bp)
4030 {
4031         struct da_softc *softc = (struct da_softc *)periph->softc;
4032         struct bio *bp1;
4033         uint8_t *buf = softc->unmap_buf;
4034         uint64_t lastlba = (uint64_t)-1;
4035         uint64_t count;
4036         uint64_t lba;
4037         uint32_t lastcount = 0, c, requestcount;
4038         int ranges = 0, off, block_count;
4039
4040         bzero(softc->unmap_buf, sizeof(softc->unmap_buf));
4041         bp1 = bp;
4042         do {
4043                 if (bp1 != bp)//XXX imp XXX
4044                         bioq_insert_tail(&softc->delete_run_queue, bp1);
4045                 lba = bp1->bio_pblkno;
4046                 count = bp1->bio_bcount / softc->params.secsize;
4047                 requestcount = count;
4048
4049                 /* Try to extend the previous range. */
4050                 if (lba == lastlba) {
4051                         c = omin(count, ATA_DSM_RANGE_MAX - lastcount);
4052                         lastcount += c;
4053                         off = (ranges - 1) * 8;
4054                         buf[off + 6] = lastcount & 0xff;
4055                         buf[off + 7] = (lastcount >> 8) & 0xff;
4056                         count -= c;
4057                         lba += c;
4058                 }
4059
4060                 while (count > 0) {
4061                         c = omin(count, ATA_DSM_RANGE_MAX);
4062                         off = ranges * 8;
4063
4064                         buf[off + 0] = lba & 0xff;
4065                         buf[off + 1] = (lba >> 8) & 0xff;
4066                         buf[off + 2] = (lba >> 16) & 0xff;
4067                         buf[off + 3] = (lba >> 24) & 0xff;
4068                         buf[off + 4] = (lba >> 32) & 0xff;
4069                         buf[off + 5] = (lba >> 40) & 0xff;
4070                         buf[off + 6] = c & 0xff;
4071                         buf[off + 7] = (c >> 8) & 0xff;
4072                         lba += c;
4073                         ranges++;
4074                         count -= c;
4075                         lastcount = c;
4076                         if (count != 0 && ranges == softc->trim_max_ranges) {
4077                                 xpt_print(periph->path,
4078                                     "%s issuing short delete %ld > %ld\n",
4079                                     da_delete_method_desc[softc->delete_method],
4080                                     requestcount,
4081                                     (softc->trim_max_ranges - ranges) *
4082                                     ATA_DSM_RANGE_MAX);
4083                                 break;
4084                         }
4085                 }
4086                 lastlba = lba;
4087                 bp1 = cam_iosched_next_trim(softc->cam_iosched);
4088                 if (bp1 == NULL)
4089                         break;
4090                 if (bp1->bio_bcount / softc->params.secsize >
4091                     (softc->trim_max_ranges - ranges) * ATA_DSM_RANGE_MAX) {
4092                         cam_iosched_put_back_trim(softc->cam_iosched, bp1);
4093                         break;
4094                 }
4095         } while (1);
4096
4097         block_count = howmany(ranges, ATA_DSM_BLK_RANGES);
4098         scsi_ata_trim(&ccb->csio,
4099                       /*retries*/da_retry_count,
4100                       /*cbfcnp*/dadone,
4101                       /*tag_action*/MSG_SIMPLE_Q_TAG,
4102                       block_count,
4103                       /*data_ptr*/buf,
4104                       /*dxfer_len*/block_count * ATA_DSM_BLK_SIZE,
4105                       /*sense_len*/SSD_FULL_SIZE,
4106                       da_default_timeout * 1000);
4107         ccb->ccb_h.ccb_state = DA_CCB_DELETE;
4108         ccb->ccb_h.flags |= CAM_UNLOCKED;
4109         cam_iosched_submit_trim(softc->cam_iosched);
4110 }
4111
4112 /*
4113  * We calculate ws_max_blks here based off d_delmaxsize instead
4114  * of using softc->ws_max_blks as it is absolute max for the
4115  * device not the protocol max which may well be lower.
4116  */
4117 static void
4118 da_delete_ws(struct cam_periph *periph, union ccb *ccb, struct bio *bp)
4119 {
4120         struct da_softc *softc;
4121         struct bio *bp1;
4122         uint64_t ws_max_blks;
4123         uint64_t lba;
4124         uint64_t count; /* forward compat with WS32 */
4125
4126         softc = (struct da_softc *)periph->softc;
4127         ws_max_blks = softc->disk->d_delmaxsize / softc->params.secsize;
4128         lba = bp->bio_pblkno;
4129         count = 0;
4130         bp1 = bp;
4131         do {
4132                 if (bp1 != bp)//XXX imp XXX
4133                         bioq_insert_tail(&softc->delete_run_queue, bp1);
4134                 count += bp1->bio_bcount / softc->params.secsize;
4135                 if (count > ws_max_blks) {
4136                         xpt_print(periph->path,
4137                             "%s issuing short delete %ld > %ld\n",
4138                             da_delete_method_desc[softc->delete_method],
4139                             count, ws_max_blks);
4140                         count = omin(count, ws_max_blks);
4141                         break;
4142                 }
4143                 bp1 = cam_iosched_next_trim(softc->cam_iosched);
4144                 if (bp1 == NULL)
4145                         break;
4146                 if (lba + count != bp1->bio_pblkno ||
4147                     count + bp1->bio_bcount /
4148                     softc->params.secsize > ws_max_blks) {
4149                         cam_iosched_put_back_trim(softc->cam_iosched, bp1);
4150                         break;
4151                 }
4152         } while (1);
4153
4154         scsi_write_same(&ccb->csio,
4155                         /*retries*/da_retry_count,
4156                         /*cbfcnp*/dadone,
4157                         /*tag_action*/MSG_SIMPLE_Q_TAG,
4158                         /*byte2*/softc->delete_method ==
4159                             DA_DELETE_ZERO ? 0 : SWS_UNMAP,
4160                         softc->delete_method == DA_DELETE_WS16 ? 16 : 10,
4161                         /*lba*/lba,
4162                         /*block_count*/count,
4163                         /*data_ptr*/ __DECONST(void *, zero_region),
4164                         /*dxfer_len*/ softc->params.secsize,
4165                         /*sense_len*/SSD_FULL_SIZE,
4166                         da_default_timeout * 1000);
4167         ccb->ccb_h.ccb_state = DA_CCB_DELETE;
4168         ccb->ccb_h.flags |= CAM_UNLOCKED;
4169         cam_iosched_submit_trim(softc->cam_iosched);
4170 }
4171
4172 static int
4173 cmd6workaround(union ccb *ccb)
4174 {
4175         struct scsi_rw_6 cmd6;
4176         struct scsi_rw_10 *cmd10;
4177         struct da_softc *softc;
4178         u_int8_t *cdb;
4179         struct bio *bp;
4180         int frozen;
4181
4182         cdb = ccb->csio.cdb_io.cdb_bytes;
4183         softc = (struct da_softc *)xpt_path_periph(ccb->ccb_h.path)->softc;
4184
4185         if (ccb->ccb_h.ccb_state == DA_CCB_DELETE) {
4186                 da_delete_methods old_method = softc->delete_method;
4187
4188                 /*
4189                  * Typically there are two reasons for failure here
4190                  * 1. Delete method was detected as supported but isn't
4191                  * 2. Delete failed due to invalid params e.g. too big
4192                  *
4193                  * While we will attempt to choose an alternative delete method
4194                  * this may result in short deletes if the existing delete
4195                  * requests from geom are big for the new method chosen.
4196                  *
4197                  * This method assumes that the error which triggered this
4198                  * will not retry the io otherwise a panic will occur
4199                  */
4200                 dadeleteflag(softc, old_method, 0);
4201                 dadeletemethodchoose(softc, DA_DELETE_DISABLE);
4202                 if (softc->delete_method == DA_DELETE_DISABLE)
4203                         xpt_print(ccb->ccb_h.path,
4204                                   "%s failed, disabling BIO_DELETE\n",
4205                                   da_delete_method_desc[old_method]);
4206                 else
4207                         xpt_print(ccb->ccb_h.path,
4208                                   "%s failed, switching to %s BIO_DELETE\n",
4209                                   da_delete_method_desc[old_method],
4210                                   da_delete_method_desc[softc->delete_method]);
4211
4212                 while ((bp = bioq_takefirst(&softc->delete_run_queue)) != NULL)
4213                         cam_iosched_queue_work(softc->cam_iosched, bp);
4214                 cam_iosched_queue_work(softc->cam_iosched,
4215                     (struct bio *)ccb->ccb_h.ccb_bp);
4216                 ccb->ccb_h.ccb_bp = NULL;
4217                 return (0);
4218         }
4219
4220         /* Detect unsupported PREVENT ALLOW MEDIUM REMOVAL. */
4221         if ((ccb->ccb_h.flags & CAM_CDB_POINTER) == 0 &&
4222             (*cdb == PREVENT_ALLOW) &&
4223             (softc->quirks & DA_Q_NO_PREVENT) == 0) {
4224                 if (bootverbose)
4225                         xpt_print(ccb->ccb_h.path,
4226                             "PREVENT ALLOW MEDIUM REMOVAL not supported.\n");
4227                 softc->quirks |= DA_Q_NO_PREVENT;
4228                 return (0);
4229         }
4230
4231         /* Detect unsupported SYNCHRONIZE CACHE(10). */
4232         if ((ccb->ccb_h.flags & CAM_CDB_POINTER) == 0 &&
4233             (*cdb == SYNCHRONIZE_CACHE) &&
4234             (softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) {
4235                 if (bootverbose)
4236                         xpt_print(ccb->ccb_h.path,
4237                             "SYNCHRONIZE CACHE(10) not supported.\n");
4238                 softc->quirks |= DA_Q_NO_SYNC_CACHE;
4239                 softc->disk->d_flags &= ~DISKFLAG_CANFLUSHCACHE;
4240                 return (0);
4241         }
4242
4243         /* Translation only possible if CDB is an array and cmd is R/W6 */
4244         if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0 ||
4245             (*cdb != READ_6 && *cdb != WRITE_6))
4246                 return 0;
4247
4248         xpt_print(ccb->ccb_h.path, "READ(6)/WRITE(6) not supported, "
4249             "increasing minimum_cmd_size to 10.\n");
4250         softc->minimum_cmd_size = 10;
4251
4252         bcopy(cdb, &cmd6, sizeof(struct scsi_rw_6));
4253         cmd10 = (struct scsi_rw_10 *)cdb;
4254         cmd10->opcode = (cmd6.opcode == READ_6) ? READ_10 : WRITE_10;
4255         cmd10->byte2 = 0;
4256         scsi_ulto4b(scsi_3btoul(cmd6.addr), cmd10->addr);
4257         cmd10->reserved = 0;
4258         scsi_ulto2b(cmd6.length, cmd10->length);
4259         cmd10->control = cmd6.control;
4260         ccb->csio.cdb_len = sizeof(*cmd10);
4261
4262         /* Requeue request, unfreezing queue if necessary */
4263         frozen = (ccb->ccb_h.status & CAM_DEV_QFRZN) != 0;
4264         ccb->ccb_h.status = CAM_REQUEUE_REQ;
4265         xpt_action(ccb);
4266         if (frozen) {
4267                 cam_release_devq(ccb->ccb_h.path,
4268                                  /*relsim_flags*/0,
4269                                  /*reduction*/0,
4270                                  /*timeout*/0,
4271                                  /*getcount_only*/0);
4272         }
4273         return (ERESTART);
4274 }
4275
4276 static void
4277 dazonedone(struct cam_periph *periph, union ccb *ccb)
4278 {
4279         struct da_softc *softc;
4280         struct bio *bp;
4281
4282         softc = periph->softc;
4283         bp = (struct bio *)ccb->ccb_h.ccb_bp;
4284
4285         switch (bp->bio_zone.zone_cmd) {
4286         case DISK_ZONE_OPEN:
4287         case DISK_ZONE_CLOSE:
4288         case DISK_ZONE_FINISH:
4289         case DISK_ZONE_RWP:
4290                 break;
4291         case DISK_ZONE_REPORT_ZONES: {
4292                 uint32_t avail_len;
4293                 struct disk_zone_report *rep;
4294                 struct scsi_report_zones_hdr *hdr;
4295                 struct scsi_report_zones_desc *desc;
4296                 struct disk_zone_rep_entry *entry;
4297                 uint32_t hdr_len, num_avail;
4298                 uint32_t num_to_fill, i;
4299                 int ata;
4300
4301                 rep = &bp->bio_zone.zone_params.report;
4302                 avail_len = ccb->csio.dxfer_len - ccb->csio.resid;
4303                 /*
4304                  * Note that bio_resid isn't normally used for zone
4305                  * commands, but it is used by devstat_end_transaction_bio()
4306                  * to determine how much data was transferred.  Because
4307                  * the size of the SCSI/ATA data structures is different
4308                  * than the size of the BIO interface structures, the
4309                  * amount of data actually transferred from the drive will
4310                  * be different than the amount of data transferred to
4311                  * the user.
4312                  */
4313                 bp->bio_resid = ccb->csio.resid;
4314                 hdr = (struct scsi_report_zones_hdr *)ccb->csio.data_ptr;
4315                 if (avail_len < sizeof(*hdr)) {
4316                         /*
4317                          * Is there a better error than EIO here?  We asked
4318                          * for at least the header, and we got less than
4319                          * that.
4320                          */
4321                         bp->bio_error = EIO;
4322                         bp->bio_flags |= BIO_ERROR;
4323                         bp->bio_resid = bp->bio_bcount;
4324                         break;
4325                 }
4326
4327                 if (softc->zone_interface == DA_ZONE_IF_ATA_PASS)
4328                         ata = 1;
4329                 else
4330                         ata = 0;
4331
4332                 hdr_len = ata ? le32dec(hdr->length) :
4333                                 scsi_4btoul(hdr->length);
4334                 if (hdr_len > 0)
4335                         rep->entries_available = hdr_len / sizeof(*desc);
4336                 else
4337                         rep->entries_available = 0;
4338                 /*
4339                  * NOTE: using the same values for the BIO version of the
4340                  * same field as the SCSI/ATA values.  This means we could
4341                  * get some additional values that aren't defined in bio.h
4342                  * if more values of the same field are defined later.
4343                  */
4344                 rep->header.same = hdr->byte4 & SRZ_SAME_MASK;
4345                 rep->header.maximum_lba = ata ?  le64dec(hdr->maximum_lba) :
4346                                           scsi_8btou64(hdr->maximum_lba);
4347                 /*
4348                  * If the drive reports no entries that match the query,
4349                  * we're done.
4350                  */
4351                 if (hdr_len == 0) {
4352                         rep->entries_filled = 0;
4353                         break;
4354                 }
4355
4356                 num_avail = min((avail_len - sizeof(*hdr)) / sizeof(*desc),
4357                                 hdr_len / sizeof(*desc));
4358                 /*
4359                  * If the drive didn't return any data, then we're done.
4360                  */
4361                 if (num_avail == 0) {
4362                         rep->entries_filled = 0;
4363                         break;
4364                 }
4365
4366                 num_to_fill = min(num_avail, rep->entries_allocated);
4367                 /*
4368                  * If the user didn't allocate any entries for us to fill,
4369                  * we're done.
4370                  */
4371                 if (num_to_fill == 0) {
4372                         rep->entries_filled = 0;
4373                         break;
4374                 }
4375
4376                 for (i = 0, desc = &hdr->desc_list[0], entry=&rep->entries[0];
4377                      i < num_to_fill; i++, desc++, entry++) {
4378                         /*
4379                          * NOTE: we're mapping the values here directly
4380                          * from the SCSI/ATA bit definitions to the bio.h
4381                          * definitons.  There is also a warning in
4382                          * disk_zone.h, but the impact is that if
4383                          * additional values are added in the SCSI/ATA
4384                          * specs these will be visible to consumers of
4385                          * this interface.
4386                          */
4387                         entry->zone_type = desc->zone_type & SRZ_TYPE_MASK;
4388                         entry->zone_condition =
4389                             (desc->zone_flags & SRZ_ZONE_COND_MASK) >>
4390                             SRZ_ZONE_COND_SHIFT;
4391                         entry->zone_flags |= desc->zone_flags &
4392                             (SRZ_ZONE_NON_SEQ|SRZ_ZONE_RESET);
4393                         entry->zone_length =
4394                             ata ? le64dec(desc->zone_length) :
4395                                   scsi_8btou64(desc->zone_length);
4396                         entry->zone_start_lba =
4397                             ata ? le64dec(desc->zone_start_lba) :
4398                                   scsi_8btou64(desc->zone_start_lba);
4399                         entry->write_pointer_lba =
4400                             ata ? le64dec(desc->write_pointer_lba) :
4401                                   scsi_8btou64(desc->write_pointer_lba);
4402                 }
4403                 rep->entries_filled = num_to_fill;
4404                 break;
4405         }
4406         case DISK_ZONE_GET_PARAMS:
4407         default:
4408                 /*
4409                  * In theory we should not get a GET_PARAMS bio, since it
4410                  * should be handled without queueing the command to the
4411                  * drive.
4412                  */
4413                 panic("%s: Invalid zone command %d", __func__,
4414                     bp->bio_zone.zone_cmd);
4415                 break;
4416         }
4417
4418         if (bp->bio_zone.zone_cmd == DISK_ZONE_REPORT_ZONES)
4419                 free(ccb->csio.data_ptr, M_SCSIDA);
4420 }
4421
4422 static void
4423 dadone(struct cam_periph *periph, union ccb *done_ccb)
4424 {
4425         struct bio *bp, *bp1;
4426         struct da_softc *softc;
4427         struct ccb_scsiio *csio;
4428         u_int32_t  priority;
4429         da_ccb_state state;
4430
4431         CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone\n"));
4432
4433         softc = (struct da_softc *)periph->softc;
4434         priority = done_ccb->ccb_h.pinfo.priority;
4435         csio = &done_ccb->csio;
4436
4437 #if defined(BUF_TRACKING) || defined(FULL_BUF_TRACKING)
4438         if (csio->bio != NULL)
4439                 biotrack(csio->bio, __func__);
4440 #endif
4441         state = csio->ccb_h.ccb_state & DA_CCB_TYPE_MASK;
4442
4443         cam_periph_lock(periph);
4444         bp = (struct bio *)done_ccb->ccb_h.ccb_bp;
4445         if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
4446                 int error;
4447                 int sf;
4448
4449                 if ((csio->ccb_h.ccb_state & DA_CCB_RETRY_UA) != 0)
4450                         sf = SF_RETRY_UA;
4451                 else
4452                         sf = 0;
4453
4454                 error = daerror(done_ccb, CAM_RETRY_SELTO, sf);
4455                 if (error == ERESTART) {
4456                         /* A retry was scheduled, so just return. */
4457                         cam_periph_unlock(periph);
4458                         return;
4459                 }
4460                 bp = (struct bio *)done_ccb->ccb_h.ccb_bp;
4461                 if (error != 0) {
4462                         int queued_error;
4463
4464                         /*
4465                          * return all queued I/O with EIO, so that
4466                          * the client can retry these I/Os in the
4467                          * proper order should it attempt to recover.
4468                          */
4469                         queued_error = EIO;
4470
4471                         if (error == ENXIO
4472                          && (softc->flags & DA_FLAG_PACK_INVALID)== 0) {
4473                                 /*
4474                                  * Catastrophic error.  Mark our pack as
4475                                  * invalid.
4476                                  *
4477                                  * XXX See if this is really a media
4478                                  * XXX change first?
4479                                  */
4480                                 xpt_print(periph->path, "Invalidating pack\n");
4481                                 softc->flags |= DA_FLAG_PACK_INVALID;
4482 #ifdef CAM_IO_STATS
4483                                 softc->invalidations++;
4484 #endif
4485                                 queued_error = ENXIO;
4486                         }
4487                         cam_iosched_flush(softc->cam_iosched, NULL,
4488                            queued_error);
4489                         if (bp != NULL) {
4490                                 bp->bio_error = error;
4491                                 bp->bio_resid = bp->bio_bcount;
4492                                 bp->bio_flags |= BIO_ERROR;
4493                         }
4494                 } else if (bp != NULL) {
4495                         if (state == DA_CCB_DELETE)
4496                                 bp->bio_resid = 0;
4497                         else
4498                                 bp->bio_resid = csio->resid;
4499                         bp->bio_error = 0;
4500                         if (bp->bio_resid != 0)
4501                                 bp->bio_flags |= BIO_ERROR;
4502                 }
4503                 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
4504                         cam_release_devq(done_ccb->ccb_h.path,
4505                                          /*relsim_flags*/0,
4506                                          /*reduction*/0,
4507                                          /*timeout*/0,
4508                                          /*getcount_only*/0);
4509         } else if (bp != NULL) {
4510                 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
4511                         panic("REQ_CMP with QFRZN");
4512                 if (bp->bio_cmd == BIO_ZONE)
4513                         dazonedone(periph, done_ccb);
4514                 else if (state == DA_CCB_DELETE)
4515                         bp->bio_resid = 0;
4516                 else
4517                         bp->bio_resid = csio->resid;
4518                 if ((csio->resid > 0) && (bp->bio_cmd != BIO_ZONE))
4519                         bp->bio_flags |= BIO_ERROR;
4520                 if (softc->error_inject != 0) {
4521                         bp->bio_error = softc->error_inject;
4522                         bp->bio_resid = bp->bio_bcount;
4523                         bp->bio_flags |= BIO_ERROR;
4524                         softc->error_inject = 0;
4525                 }
4526         }
4527
4528         if (bp != NULL)
4529                 biotrack(bp, __func__);
4530         LIST_REMOVE(&done_ccb->ccb_h, periph_links.le);
4531         if (LIST_EMPTY(&softc->pending_ccbs))
4532                 softc->flags |= DA_FLAG_WAS_OTAG;
4533
4534         /*
4535          * We need to call cam_iosched before we call biodone so that we don't
4536          * measure any activity that happens in the completion routine, which in
4537          * the case of sendfile can be quite extensive. Release the periph
4538          * refcount taken in dastart() for each CCB.
4539          */
4540         cam_iosched_bio_complete(softc->cam_iosched, bp, done_ccb);
4541         xpt_release_ccb(done_ccb);
4542         KASSERT(softc->refcount >= 1, ("dadone softc %p refcount %d", softc, softc->refcount));
4543         softc->refcount--;
4544         if (state == DA_CCB_DELETE) {
4545                 TAILQ_HEAD(, bio) queue;
4546
4547                 TAILQ_INIT(&queue);
4548                 TAILQ_CONCAT(&queue, &softc->delete_run_queue.queue, bio_queue);
4549                 softc->delete_run_queue.insert_point = NULL;
4550                 /*
4551                  * Normally, the xpt_release_ccb() above would make sure
4552                  * that when we have more work to do, that work would
4553                  * get kicked off. However, we specifically keep
4554                  * delete_running set to 0 before the call above to
4555                  * allow other I/O to progress when many BIO_DELETE
4556                  * requests are pushed down. We set delete_running to 0
4557                  * and call daschedule again so that we don't stall if
4558                  * there are no other I/Os pending apart from BIO_DELETEs.
4559                  */
4560                 cam_iosched_trim_done(softc->cam_iosched);
4561                 daschedule(periph);
4562                 cam_periph_unlock(periph);
4563                 while ((bp1 = TAILQ_FIRST(&queue)) != NULL) {
4564                         TAILQ_REMOVE(&queue, bp1, bio_queue);
4565                         bp1->bio_error = bp->bio_error;
4566                         if (bp->bio_flags & BIO_ERROR) {
4567                                 bp1->bio_flags |= BIO_ERROR;
4568                                 bp1->bio_resid = bp1->bio_bcount;
4569                         } else
4570                                 bp1->bio_resid = 0;
4571                         biodone(bp1);
4572                 }
4573         } else {
4574                 daschedule(periph);
4575                 cam_periph_unlock(periph);
4576         }
4577         if (bp != NULL)
4578                 biodone(bp);
4579         return;
4580 }
4581
4582 static void
4583 dadone_probewp(struct cam_periph *periph, union ccb *done_ccb)
4584 {
4585         struct scsi_mode_header_6 *mode_hdr6;
4586         struct scsi_mode_header_10 *mode_hdr10;
4587         struct da_softc *softc;
4588         struct ccb_scsiio *csio;
4589         u_int32_t  priority;
4590         uint8_t dev_spec;
4591
4592         CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone_probewp\n"));
4593
4594         softc = (struct da_softc *)periph->softc;
4595         priority = done_ccb->ccb_h.pinfo.priority;
4596         csio = &done_ccb->csio;
4597
4598         cam_periph_assert(periph, MA_OWNED);
4599
4600         if (softc->minimum_cmd_size > 6) {
4601                 mode_hdr10 = (struct scsi_mode_header_10 *)csio->data_ptr;
4602                 dev_spec = mode_hdr10->dev_spec;
4603         } else {
4604                 mode_hdr6 = (struct scsi_mode_header_6 *)csio->data_ptr;
4605                 dev_spec = mode_hdr6->dev_spec;
4606         }
4607         if (cam_ccb_status(done_ccb) == CAM_REQ_CMP) {
4608                 if ((dev_spec & 0x80) != 0)
4609                         softc->disk->d_flags |= DISKFLAG_WRITE_PROTECT;
4610                 else
4611                         softc->disk->d_flags &= ~DISKFLAG_WRITE_PROTECT;
4612         } else {
4613                 int error;
4614
4615                 error = daerror(done_ccb, CAM_RETRY_SELTO,
4616                                 SF_RETRY_UA|SF_NO_PRINT);
4617                 if (error == ERESTART)
4618                         return;
4619                 else if (error != 0) {
4620                         if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
4621                                 /* Don't wedge this device's queue */
4622                                 cam_release_devq(done_ccb->ccb_h.path,
4623                                                  /*relsim_flags*/0,
4624                                                  /*reduction*/0,
4625                                                  /*timeout*/0,
4626                                                  /*getcount_only*/0);
4627                         }
4628                 }
4629         }
4630
4631         free(csio->data_ptr, M_SCSIDA);
4632         xpt_release_ccb(done_ccb);
4633         if ((softc->flags & DA_FLAG_CAN_RC16) != 0)
4634                 softc->state = DA_STATE_PROBE_RC16;
4635         else
4636                 softc->state = DA_STATE_PROBE_RC;
4637         xpt_schedule(periph, priority);
4638         return;
4639 }
4640
4641 static void
4642 dadone_proberc(struct cam_periph *periph, union ccb *done_ccb)
4643 {
4644         struct scsi_read_capacity_data *rdcap;
4645         struct scsi_read_capacity_data_long *rcaplong;
4646         struct da_softc *softc;
4647         struct ccb_scsiio *csio;
4648         da_ccb_state state;
4649         char *announce_buf;
4650         u_int32_t  priority;
4651         int lbp;
4652
4653         CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone_proberc\n"));
4654
4655         softc = (struct da_softc *)periph->softc;
4656         priority = done_ccb->ccb_h.pinfo.priority;
4657         csio = &done_ccb->csio;
4658         state = csio->ccb_h.ccb_state & DA_CCB_TYPE_MASK;
4659
4660         lbp = 0;
4661         rdcap = NULL;
4662         rcaplong = NULL;
4663         /* XXX TODO: can this be a malloc? */
4664         announce_buf = softc->announce_temp;
4665         bzero(announce_buf, DA_ANNOUNCETMP_SZ);
4666
4667         if (state == DA_CCB_PROBE_RC)
4668                 rdcap =(struct scsi_read_capacity_data *)csio->data_ptr;
4669         else
4670                 rcaplong = (struct scsi_read_capacity_data_long *)
4671                         csio->data_ptr;
4672
4673         cam_periph_assert(periph, MA_OWNED);
4674
4675         if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
4676                 struct disk_params *dp;
4677                 uint32_t block_size;
4678                 uint64_t maxsector;
4679                 u_int lalba;    /* Lowest aligned LBA. */
4680
4681                 if (state == DA_CCB_PROBE_RC) {
4682                         block_size = scsi_4btoul(rdcap->length);
4683                         maxsector = scsi_4btoul(rdcap->addr);
4684                         lalba = 0;
4685
4686                         /*
4687                          * According to SBC-2, if the standard 10
4688                          * byte READ CAPACITY command returns 2^32,
4689                          * we should issue the 16 byte version of
4690                          * the command, since the device in question
4691                          * has more sectors than can be represented
4692                          * with the short version of the command.
4693                          */
4694                         if (maxsector == 0xffffffff) {
4695                                 free(rdcap, M_SCSIDA);
4696                                 xpt_release_ccb(done_ccb);
4697                                 softc->state = DA_STATE_PROBE_RC16;
4698                                 xpt_schedule(periph, priority);
4699                                 return;
4700                         }
4701                 } else {
4702                         block_size = scsi_4btoul(rcaplong->length);
4703                         maxsector = scsi_8btou64(rcaplong->addr);
4704                         lalba = scsi_2btoul(rcaplong->lalba_lbp);
4705                 }
4706
4707                 /*
4708                  * Because GEOM code just will panic us if we
4709                  * give them an 'illegal' value we'll avoid that
4710                  * here.
4711                  */
4712                 if (block_size == 0) {
4713                         block_size = 512;
4714                         if (maxsector == 0)
4715                                 maxsector = -1;
4716                 }
4717                 if (block_size >= MAXPHYS) {
4718                         xpt_print(periph->path,
4719                             "unsupportable block size %ju\n",
4720                             (uintmax_t) block_size);
4721                         announce_buf = NULL;
4722                         cam_periph_invalidate(periph);
4723                 } else {
4724                         /*
4725                          * We pass rcaplong into dasetgeom(),
4726                          * because it will only use it if it is
4727                          * non-NULL.
4728                          */
4729                         dasetgeom(periph, block_size, maxsector,
4730                                   rcaplong, sizeof(*rcaplong));
4731                         lbp = (lalba & SRC16_LBPME_A);
4732                         dp = &softc->params;
4733                         snprintf(announce_buf, DA_ANNOUNCETMP_SZ,
4734                             "%juMB (%ju %u byte sectors)",
4735                             ((uintmax_t)dp->secsize * dp->sectors) /
4736                              (1024 * 1024),
4737                             (uintmax_t)dp->sectors, dp->secsize);
4738                 }
4739         } else {
4740                 int error;
4741
4742                 /*
4743                  * Retry any UNIT ATTENTION type errors.  They
4744                  * are expected at boot.
4745                  */
4746                 error = daerror(done_ccb, CAM_RETRY_SELTO,
4747                                 SF_RETRY_UA|SF_NO_PRINT);
4748                 if (error == ERESTART) {
4749                         /*
4750                          * A retry was scheuled, so
4751                          * just return.
4752                          */
4753                         return;
4754                 } else if (error != 0) {
4755                         int asc, ascq;
4756                         int sense_key, error_code;
4757                         int have_sense;
4758                         cam_status status;
4759                         struct ccb_getdev cgd;
4760
4761                         /* Don't wedge this device's queue */
4762                         status = done_ccb->ccb_h.status;
4763                         if ((status & CAM_DEV_QFRZN) != 0)
4764                                 cam_release_devq(done_ccb->ccb_h.path,
4765                                                  /*relsim_flags*/0,
4766                                                  /*reduction*/0,
4767                                                  /*timeout*/0,
4768                                                  /*getcount_only*/0);
4769
4770
4771                         xpt_setup_ccb(&cgd.ccb_h, done_ccb->ccb_h.path,
4772                                       CAM_PRIORITY_NORMAL);
4773                         cgd.ccb_h.func_code = XPT_GDEV_TYPE;
4774                         xpt_action((union ccb *)&cgd);
4775
4776                         if (scsi_extract_sense_ccb(done_ccb,
4777                             &error_code, &sense_key, &asc, &ascq))
4778                                 have_sense = TRUE;
4779                         else
4780                                 have_sense = FALSE;
4781
4782                         /*
4783                          * If we tried READ CAPACITY(16) and failed,
4784                          * fallback to READ CAPACITY(10).
4785                          */
4786                         if ((state == DA_CCB_PROBE_RC16) &&
4787                             (softc->flags & DA_FLAG_CAN_RC16) &&
4788                             (((csio->ccb_h.status & CAM_STATUS_MASK) ==
4789                                 CAM_REQ_INVALID) ||
4790                              ((have_sense) &&
4791                               (error_code == SSD_CURRENT_ERROR ||
4792                                error_code == SSD_DESC_CURRENT_ERROR) &&
4793                               (sense_key == SSD_KEY_ILLEGAL_REQUEST)))) {
4794                                 cam_periph_assert(periph, MA_OWNED);
4795                                 softc->flags &= ~DA_FLAG_CAN_RC16;
4796                                 free(rdcap, M_SCSIDA);
4797                                 xpt_release_ccb(done_ccb);
4798                                 softc->state = DA_STATE_PROBE_RC;
4799                                 xpt_schedule(periph, priority);
4800                                 return;
4801                         }
4802
4803                         /*
4804                          * Attach to anything that claims to be a
4805                          * direct access or optical disk device,
4806                          * as long as it doesn't return a "Logical
4807                          * unit not supported" (0x25) error.
4808                          * "Internal Target Failure" (0x44) is also
4809                          * special and typically means that the
4810                          * device is a SATA drive behind a SATL
4811                          * translation that's fallen into a
4812                          * terminally fatal state.
4813                          */
4814                         if ((have_sense)
4815                          && (asc != 0x25) && (asc != 0x44)
4816                          && (error_code == SSD_CURRENT_ERROR
4817                           || error_code == SSD_DESC_CURRENT_ERROR)) {
4818                                 const char *sense_key_desc;
4819                                 const char *asc_desc;
4820
4821                                 dasetgeom(periph, 512, -1, NULL, 0);
4822                                 scsi_sense_desc(sense_key, asc, ascq,
4823                                                 &cgd.inq_data, &sense_key_desc,
4824                                                 &asc_desc);
4825                                 snprintf(announce_buf, DA_ANNOUNCETMP_SZ,
4826                                     "Attempt to query device "
4827                                     "size failed: %s, %s",
4828                                     sense_key_desc, asc_desc);
4829                         } else {
4830                                 if (have_sense)
4831                                         scsi_sense_print(&done_ccb->csio);
4832                                 else {
4833                                         xpt_print(periph->path,
4834                                             "got CAM status %#x\n",
4835                                             done_ccb->ccb_h.status);
4836                                 }
4837
4838                                 xpt_print(periph->path, "fatal error, "
4839                                     "failed to attach to device\n");
4840
4841                                 announce_buf = NULL;
4842
4843                                 /*
4844                                  * Free up resources.
4845                                  */
4846                                 cam_periph_invalidate(periph);
4847                         }
4848                 }
4849         }
4850         free(csio->data_ptr, M_SCSIDA);
4851         if (announce_buf != NULL &&
4852             ((softc->flags & DA_FLAG_ANNOUNCED) == 0)) {
4853                 struct sbuf sb;
4854
4855                 sbuf_new(&sb, softc->announcebuf, DA_ANNOUNCE_SZ,
4856                     SBUF_FIXEDLEN);
4857                 xpt_announce_periph_sbuf(periph, &sb, announce_buf);
4858                 xpt_announce_quirks_sbuf(periph, &sb, softc->quirks,
4859                     DA_Q_BIT_STRING);
4860                 sbuf_finish(&sb);
4861                 sbuf_putbuf(&sb);
4862
4863                 /*
4864                  * Create our sysctl variables, now that we know
4865                  * we have successfully attached.
4866                  */
4867                 /* increase the refcount */
4868                 if (da_periph_acquire(periph, DA_REF_SYSCTL) == 0) {
4869                         taskqueue_enqueue(taskqueue_thread,
4870                                           &softc->sysctl_task);
4871                 } else {
4872                         /* XXX This message is useless! */
4873                         xpt_print(periph->path, "fatal error, "
4874                             "could not acquire reference count\n");
4875                 }
4876         }
4877
4878         /* We already probed the device. */
4879         if (softc->flags & DA_FLAG_PROBED) {
4880                 daprobedone(periph, done_ccb);
4881                 return;
4882         }
4883
4884         /* Ensure re-probe doesn't see old delete. */
4885         softc->delete_available = 0;
4886         dadeleteflag(softc, DA_DELETE_ZERO, 1);
4887         if (lbp && (softc->quirks & DA_Q_NO_UNMAP) == 0) {
4888                 /*
4889                  * Based on older SBC-3 spec revisions
4890                  * any of the UNMAP methods "may" be
4891                  * available via LBP given this flag so
4892                  * we flag all of them as available and
4893                  * then remove those which further
4894                  * probes confirm aren't available
4895                  * later.
4896                  *
4897                  * We could also check readcap(16) p_type
4898                  * flag to exclude one or more invalid
4899                  * write same (X) types here
4900                  */
4901                 dadeleteflag(softc, DA_DELETE_WS16, 1);
4902                 dadeleteflag(softc, DA_DELETE_WS10, 1);
4903                 dadeleteflag(softc, DA_DELETE_UNMAP, 1);
4904
4905                 xpt_release_ccb(done_ccb);
4906                 softc->state = DA_STATE_PROBE_LBP;
4907                 xpt_schedule(periph, priority);
4908                 return;
4909         }
4910
4911         xpt_release_ccb(done_ccb);
4912         softc->state = DA_STATE_PROBE_BDC;
4913         xpt_schedule(periph, priority);
4914         return;
4915 }
4916
4917 static void
4918 dadone_probelbp(struct cam_periph *periph, union ccb *done_ccb)
4919 {
4920         struct scsi_vpd_logical_block_prov *lbp;
4921         struct da_softc *softc;
4922         struct ccb_scsiio *csio;
4923         u_int32_t  priority;
4924
4925         CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone_probelbp\n"));
4926
4927         softc = (struct da_softc *)periph->softc;
4928         priority = done_ccb->ccb_h.pinfo.priority;
4929         csio = &done_ccb->csio;
4930         lbp = (struct scsi_vpd_logical_block_prov *)csio->data_ptr;
4931
4932         cam_periph_assert(periph, MA_OWNED);
4933
4934         if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
4935                 /*
4936                  * T10/1799-D Revision 31 states at least one of these
4937                  * must be supported but we don't currently enforce this.
4938                  */
4939                 dadeleteflag(softc, DA_DELETE_WS16,
4940                      (lbp->flags & SVPD_LBP_WS16));
4941                 dadeleteflag(softc, DA_DELETE_WS10,
4942                              (lbp->flags & SVPD_LBP_WS10));
4943                 dadeleteflag(softc, DA_DELETE_UNMAP,
4944                              (lbp->flags & SVPD_LBP_UNMAP));
4945         } else {
4946                 int error;
4947                 error = daerror(done_ccb, CAM_RETRY_SELTO,
4948                                 SF_RETRY_UA|SF_NO_PRINT);
4949                 if (error == ERESTART)
4950                         return;
4951                 else if (error != 0) {
4952                         if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
4953                                 /* Don't wedge this device's queue */
4954                                 cam_release_devq(done_ccb->ccb_h.path,
4955                                                  /*relsim_flags*/0,
4956                                                  /*reduction*/0,
4957                                                  /*timeout*/0,
4958                                                  /*getcount_only*/0);
4959                         }
4960
4961                         /*
4962                          * Failure indicates we don't support any SBC-3
4963                          * delete methods with UNMAP
4964                          */
4965                 }
4966         }
4967
4968         free(lbp, M_SCSIDA);
4969         xpt_release_ccb(done_ccb);
4970         softc->state = DA_STATE_PROBE_BLK_LIMITS;
4971         xpt_schedule(periph, priority);
4972         return;
4973 }
4974
4975 static void
4976 dadone_probeblklimits(struct cam_periph *periph, union ccb *done_ccb)
4977 {
4978         struct scsi_vpd_block_limits *block_limits;
4979         struct da_softc *softc;
4980         struct ccb_scsiio *csio;
4981         u_int32_t  priority;
4982
4983         CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone_probeblklimits\n"));
4984
4985         softc = (struct da_softc *)periph->softc;
4986         priority = done_ccb->ccb_h.pinfo.priority;
4987         csio = &done_ccb->csio;
4988         block_limits = (struct scsi_vpd_block_limits *)csio->data_ptr;
4989
4990         cam_periph_assert(periph, MA_OWNED);
4991
4992         if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
4993                 uint32_t max_txfer_len = scsi_4btoul(
4994                         block_limits->max_txfer_len);
4995                 uint32_t max_unmap_lba_cnt = scsi_4btoul(
4996                         block_limits->max_unmap_lba_cnt);
4997                 uint32_t max_unmap_blk_cnt = scsi_4btoul(
4998                         block_limits->max_unmap_blk_cnt);
4999                 uint32_t unmap_gran = scsi_4btoul(
5000                         block_limits->opt_unmap_grain);
5001                 uint32_t unmap_gran_align = scsi_4btoul(
5002                         block_limits->unmap_grain_align);
5003                 uint64_t ws_max_blks = scsi_8btou64(
5004                         block_limits->max_write_same_length);
5005
5006                 if (max_txfer_len != 0) {
5007                         softc->disk->d_maxsize = MIN(softc->maxio,
5008                             (off_t)max_txfer_len * softc->params.secsize);
5009                 }
5010
5011                 /*
5012                  * We should already support UNMAP but we check lba
5013                  * and block count to be sure
5014                  */
5015                 if (max_unmap_lba_cnt != 0x00L &&
5016                     max_unmap_blk_cnt != 0x00L) {
5017                         softc->unmap_max_lba = max_unmap_lba_cnt;
5018                         softc->unmap_max_ranges = min(max_unmap_blk_cnt,
5019                                 UNMAP_MAX_RANGES);
5020                         if (unmap_gran > 1) {
5021                                 softc->unmap_gran = unmap_gran;
5022                                 if (unmap_gran_align & 0x80000000) {
5023                                         softc->unmap_gran_align =
5024                                             unmap_gran_align & 0x7fffffff;
5025                                 }
5026                         }
5027                 } else {
5028                         /*
5029                          * Unexpected UNMAP limits which means the
5030                          * device doesn't actually support UNMAP
5031                          */
5032                         dadeleteflag(softc, DA_DELETE_UNMAP, 0);
5033                 }
5034
5035                 if (ws_max_blks != 0x00L)
5036                         softc->ws_max_blks = ws_max_blks;
5037         } else {
5038                 int error;
5039                 error = daerror(done_ccb, CAM_RETRY_SELTO,
5040                                 SF_RETRY_UA|SF_NO_PRINT);
5041                 if (error == ERESTART)
5042                         return;
5043                 else if (error != 0) {
5044                         if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
5045                                 /* Don't wedge this device's queue */
5046                                 cam_release_devq(done_ccb->ccb_h.path,
5047                                                  /*relsim_flags*/0,
5048                                                  /*reduction*/0,
5049                                                  /*timeout*/0,
5050                                                  /*getcount_only*/0);
5051                         }
5052
5053                         /*
5054                          * Failure here doesn't mean UNMAP is not
5055                          * supported as this is an optional page.
5056                          */
5057                         softc->unmap_max_lba = 1;
5058                         softc->unmap_max_ranges = 1;
5059                 }
5060         }
5061
5062         free(block_limits, M_SCSIDA);
5063         xpt_release_ccb(done_ccb);
5064         softc->state = DA_STATE_PROBE_BDC;
5065         xpt_schedule(periph, priority);
5066         return;
5067 }
5068
5069 static void
5070 dadone_probebdc(struct cam_periph *periph, union ccb *done_ccb)
5071 {
5072         struct scsi_vpd_block_device_characteristics *bdc;
5073         struct da_softc *softc;
5074         struct ccb_scsiio *csio;
5075         u_int32_t  priority;
5076
5077         CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone_probebdc\n"));
5078
5079         softc = (struct da_softc *)periph->softc;
5080         priority = done_ccb->ccb_h.pinfo.priority;
5081         csio = &done_ccb->csio;
5082         bdc = (struct scsi_vpd_block_device_characteristics *)csio->data_ptr;
5083
5084         cam_periph_assert(periph, MA_OWNED);
5085
5086         if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
5087                 uint32_t valid_len;
5088
5089                 /*
5090                  * Disable queue sorting for non-rotational media
5091                  * by default.
5092                  */
5093                 u_int16_t old_rate = softc->disk->d_rotation_rate;
5094
5095                 valid_len = csio->dxfer_len - csio->resid;
5096                 if (SBDC_IS_PRESENT(bdc, valid_len,
5097                     medium_rotation_rate)) {
5098                         softc->disk->d_rotation_rate =
5099                                 scsi_2btoul(bdc->medium_rotation_rate);
5100                         if (softc->disk->d_rotation_rate ==
5101                             SVPD_BDC_RATE_NON_ROTATING) {
5102                                 cam_iosched_set_sort_queue(
5103                                     softc->cam_iosched, 0);
5104                                 softc->rotating = 0;
5105                         }
5106                         if (softc->disk->d_rotation_rate != old_rate) {
5107                                 disk_attr_changed(softc->disk,
5108                                     "GEOM::rotation_rate", M_NOWAIT);
5109                         }
5110                 }
5111                 if ((SBDC_IS_PRESENT(bdc, valid_len, flags))
5112                  && (softc->zone_mode == DA_ZONE_NONE)) {
5113                         int ata_proto;
5114
5115                         if (scsi_vpd_supported_page(periph,
5116                             SVPD_ATA_INFORMATION))
5117                                 ata_proto = 1;
5118                         else
5119                                 ata_proto = 0;
5120
5121                         /*
5122                          * The Zoned field will only be set for
5123                          * Drive Managed and Host Aware drives.  If
5124                          * they are Host Managed, the device type
5125                          * in the standard INQUIRY data should be
5126                          * set to T_ZBC_HM (0x14).
5127                          */
5128                         if ((bdc->flags & SVPD_ZBC_MASK) ==
5129                              SVPD_HAW_ZBC) {
5130                                 softc->zone_mode = DA_ZONE_HOST_AWARE;
5131                                 softc->zone_interface = (ata_proto) ?
5132                                    DA_ZONE_IF_ATA_SAT : DA_ZONE_IF_SCSI;
5133                         } else if ((bdc->flags & SVPD_ZBC_MASK) ==
5134                              SVPD_DM_ZBC) {
5135                                 softc->zone_mode =DA_ZONE_DRIVE_MANAGED;
5136                                 softc->zone_interface = (ata_proto) ?
5137                                    DA_ZONE_IF_ATA_SAT : DA_ZONE_IF_SCSI;
5138                         } else if ((bdc->flags & SVPD_ZBC_MASK) !=
5139                                   SVPD_ZBC_NR) {
5140                                 xpt_print(periph->path, "Unknown zoned "
5141                                     "type %#x",
5142                                     bdc->flags & SVPD_ZBC_MASK);
5143                         }
5144                 }
5145         } else {
5146                 int error;
5147                 error = daerror(done_ccb, CAM_RETRY_SELTO,
5148                                 SF_RETRY_UA|SF_NO_PRINT);
5149                 if (error == ERESTART)
5150                         return;
5151                 else if (error != 0) {
5152                         if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
5153                                 /* Don't wedge this device's queue */
5154                                 cam_release_devq(done_ccb->ccb_h.path,
5155                                                  /*relsim_flags*/0,
5156                                                  /*reduction*/0,
5157                                                  /*timeout*/0,
5158                                                  /*getcount_only*/0);
5159                         }
5160                 }
5161         }
5162
5163         free(bdc, M_SCSIDA);
5164         xpt_release_ccb(done_ccb);
5165         softc->state = DA_STATE_PROBE_ATA;
5166         xpt_schedule(periph, priority);
5167         return;
5168 }
5169
5170 static void
5171 dadone_probeata(struct cam_periph *periph, union ccb *done_ccb)
5172 {
5173         struct ata_params *ata_params;
5174         struct ccb_scsiio *csio;
5175         struct da_softc *softc;
5176         u_int32_t  priority;
5177         int continue_probe;
5178         int error, i;
5179         int16_t *ptr;
5180
5181         CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone_probeata\n"));
5182
5183         softc = (struct da_softc *)periph->softc;
5184         priority = done_ccb->ccb_h.pinfo.priority;
5185         csio = &done_ccb->csio;
5186         ata_params = (struct ata_params *)csio->data_ptr;
5187         ptr = (uint16_t *)ata_params;
5188         continue_probe = 0;
5189         error = 0;
5190
5191         cam_periph_assert(periph, MA_OWNED);
5192
5193         if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
5194                 uint16_t old_rate;
5195
5196                 for (i = 0; i < sizeof(*ata_params) / 2; i++)
5197                         ptr[i] = le16toh(ptr[i]);
5198                 if (ata_params->support_dsm & ATA_SUPPORT_DSM_TRIM &&
5199                     (softc->quirks & DA_Q_NO_UNMAP) == 0) {
5200                         dadeleteflag(softc, DA_DELETE_ATA_TRIM, 1);
5201                         if (ata_params->max_dsm_blocks != 0)
5202                                 softc->trim_max_ranges = min(
5203                                   softc->trim_max_ranges,
5204                                   ata_params->max_dsm_blocks *
5205                                   ATA_DSM_BLK_RANGES);
5206                 }
5207                 /*
5208                  * Disable queue sorting for non-rotational media
5209                  * by default.
5210                  */
5211                 old_rate = softc->disk->d_rotation_rate;
5212                 softc->disk->d_rotation_rate = ata_params->media_rotation_rate;
5213                 if (softc->disk->d_rotation_rate == ATA_RATE_NON_ROTATING) {
5214                         cam_iosched_set_sort_queue(softc->cam_iosched, 0);
5215                         softc->rotating = 0;
5216                 }
5217                 if (softc->disk->d_rotation_rate != old_rate) {
5218                         disk_attr_changed(softc->disk,
5219                             "GEOM::rotation_rate", M_NOWAIT);
5220                 }
5221
5222                 cam_periph_assert(periph, MA_OWNED);
5223                 if (ata_params->capabilities1 & ATA_SUPPORT_DMA)
5224                         softc->flags |= DA_FLAG_CAN_ATA_DMA;
5225
5226                 if (ata_params->support.extension & ATA_SUPPORT_GENLOG)
5227                         softc->flags |= DA_FLAG_CAN_ATA_LOG;
5228
5229                 /*
5230                  * At this point, if we have a SATA host aware drive,
5231                  * we communicate via ATA passthrough unless the
5232                  * SAT layer supports ZBC -> ZAC translation.  In
5233                  * that case,
5234                  *
5235                  * XXX KDM figure out how to detect a host managed
5236                  * SATA drive.
5237                  */
5238                 if (softc->zone_mode == DA_ZONE_NONE) {
5239                         /*
5240                          * Note that we don't override the zone
5241                          * mode or interface if it has already been
5242                          * set.  This is because it has either been
5243                          * set as a quirk, or when we probed the
5244                          * SCSI Block Device Characteristics page,
5245                          * the zoned field was set.  The latter
5246                          * means that the SAT layer supports ZBC to
5247                          * ZAC translation, and we would prefer to
5248                          * use that if it is available.
5249                          */
5250                         if ((ata_params->support3 &
5251                             ATA_SUPPORT_ZONE_MASK) ==
5252                             ATA_SUPPORT_ZONE_HOST_AWARE) {
5253                                 softc->zone_mode = DA_ZONE_HOST_AWARE;
5254                                 softc->zone_interface =
5255                                     DA_ZONE_IF_ATA_PASS;
5256                         } else if ((ata_params->support3 &
5257                                     ATA_SUPPORT_ZONE_MASK) ==
5258                                     ATA_SUPPORT_ZONE_DEV_MANAGED) {
5259                                 softc->zone_mode =DA_ZONE_DRIVE_MANAGED;
5260                                 softc->zone_interface = DA_ZONE_IF_ATA_PASS;
5261                         }
5262                 }
5263
5264         } else {
5265                 error = daerror(done_ccb, CAM_RETRY_SELTO,
5266                                 SF_RETRY_UA|SF_NO_PRINT);
5267                 if (error == ERESTART)
5268                         return;
5269                 else if (error != 0) {
5270                         if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
5271                                 /* Don't wedge this device's queue */
5272                                 cam_release_devq(done_ccb->ccb_h.path,
5273                                                  /*relsim_flags*/0,
5274                                                  /*reduction*/0,
5275                                                  /*timeout*/0,
5276                                                  /*getcount_only*/0);
5277                         }
5278                 }
5279         }
5280
5281         free(ata_params, M_SCSIDA);
5282         if ((softc->zone_mode == DA_ZONE_HOST_AWARE)
5283          || (softc->zone_mode == DA_ZONE_HOST_MANAGED)) {
5284                 /*
5285                  * If the ATA IDENTIFY failed, we could be talking
5286                  * to a SCSI drive, although that seems unlikely,
5287                  * since the drive did report that it supported the
5288                  * ATA Information VPD page.  If the ATA IDENTIFY
5289                  * succeeded, and the SAT layer doesn't support
5290                  * ZBC -> ZAC translation, continue on to get the
5291                  * directory of ATA logs, and complete the rest of
5292                  * the ZAC probe.  If the SAT layer does support
5293                  * ZBC -> ZAC translation, we want to use that,
5294                  * and we'll probe the SCSI Zoned Block Device
5295                  * Characteristics VPD page next.
5296                  */
5297                 if ((error == 0)
5298                  && (softc->flags & DA_FLAG_CAN_ATA_LOG)
5299                  && (softc->zone_interface == DA_ZONE_IF_ATA_PASS))
5300                         softc->state = DA_STATE_PROBE_ATA_LOGDIR;
5301                 else
5302                         softc->state = DA_STATE_PROBE_ZONE;
5303                 continue_probe = 1;
5304         }
5305         if (continue_probe != 0) {
5306                 xpt_release_ccb(done_ccb);
5307                 xpt_schedule(periph, priority);
5308                 return;
5309         } else
5310                 daprobedone(periph, done_ccb);
5311         return;
5312 }
5313
5314 static void
5315 dadone_probeatalogdir(struct cam_periph *periph, union ccb *done_ccb)
5316 {
5317         struct da_softc *softc;
5318         struct ccb_scsiio *csio;
5319         u_int32_t  priority;
5320         int error;
5321
5322         CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone_probeatalogdir\n"));
5323
5324         softc = (struct da_softc *)periph->softc;
5325         priority = done_ccb->ccb_h.pinfo.priority;
5326         csio = &done_ccb->csio;
5327
5328         cam_periph_assert(periph, MA_OWNED);
5329         if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
5330                 error = 0;
5331                 softc->valid_logdir_len = 0;
5332                 bzero(&softc->ata_logdir, sizeof(softc->ata_logdir));
5333                 softc->valid_logdir_len = csio->dxfer_len - csio->resid;
5334                 if (softc->valid_logdir_len > 0)
5335                         bcopy(csio->data_ptr, &softc->ata_logdir,
5336                             min(softc->valid_logdir_len,
5337                                 sizeof(softc->ata_logdir)));
5338                 /*
5339                  * Figure out whether the Identify Device log is
5340                  * supported.  The General Purpose log directory
5341                  * has a header, and lists the number of pages
5342                  * available for each GP log identified by the
5343                  * offset into the list.
5344                  */
5345                 if ((softc->valid_logdir_len >=
5346                     ((ATA_IDENTIFY_DATA_LOG + 1) * sizeof(uint16_t)))
5347                  && (le16dec(softc->ata_logdir.header) ==
5348                      ATA_GP_LOG_DIR_VERSION)
5349                  && (le16dec(&softc->ata_logdir.num_pages[
5350                      (ATA_IDENTIFY_DATA_LOG *
5351                      sizeof(uint16_t)) - sizeof(uint16_t)]) > 0)){
5352                         softc->flags |= DA_FLAG_CAN_ATA_IDLOG;
5353                 } else {
5354                         softc->flags &= ~DA_FLAG_CAN_ATA_IDLOG;
5355                 }
5356         } else {
5357                 error = daerror(done_ccb, CAM_RETRY_SELTO,
5358                                 SF_RETRY_UA|SF_NO_PRINT);
5359                 if (error == ERESTART)
5360                         return;
5361                 else if (error != 0) {
5362                         /*
5363                          * If we can't get the ATA log directory,
5364                          * then ATA logs are effectively not
5365                          * supported even if the bit is set in the
5366                          * identify data.
5367                          */
5368                         softc->flags &= ~(DA_FLAG_CAN_ATA_LOG |
5369                                           DA_FLAG_CAN_ATA_IDLOG);
5370                         if ((done_ccb->ccb_h.status &
5371                              CAM_DEV_QFRZN) != 0) {
5372                                 /* Don't wedge this device's queue */
5373                                 cam_release_devq(done_ccb->ccb_h.path,
5374                                                  /*relsim_flags*/0,
5375                                                  /*reduction*/0,
5376                                                  /*timeout*/0,
5377                                                  /*getcount_only*/0);
5378                         }
5379                 }
5380         }
5381
5382         free(csio->data_ptr, M_SCSIDA);
5383
5384         if ((error == 0)
5385          && (softc->flags & DA_FLAG_CAN_ATA_IDLOG)) {
5386                 softc->state = DA_STATE_PROBE_ATA_IDDIR;
5387                 xpt_release_ccb(done_ccb);
5388                 xpt_schedule(periph, priority);
5389                 return;
5390         }
5391         daprobedone(periph, done_ccb);
5392         return;
5393 }
5394
5395 static void
5396 dadone_probeataiddir(struct cam_periph *periph, union ccb *done_ccb)
5397 {
5398         struct da_softc *softc;
5399         struct ccb_scsiio *csio;
5400         u_int32_t  priority;
5401         int error;
5402
5403         CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone_probeataiddir\n"));
5404
5405         softc = (struct da_softc *)periph->softc;
5406         priority = done_ccb->ccb_h.pinfo.priority;
5407         csio = &done_ccb->csio;
5408
5409         cam_periph_assert(periph, MA_OWNED);
5410
5411         if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
5412                 off_t entries_offset, max_entries;
5413                 error = 0;
5414
5415                 softc->valid_iddir_len = 0;
5416                 bzero(&softc->ata_iddir, sizeof(softc->ata_iddir));
5417                 softc->flags &= ~(DA_FLAG_CAN_ATA_SUPCAP |
5418                                   DA_FLAG_CAN_ATA_ZONE);
5419                 softc->valid_iddir_len = csio->dxfer_len - csio->resid;
5420                 if (softc->valid_iddir_len > 0)
5421                         bcopy(csio->data_ptr, &softc->ata_iddir,
5422                             min(softc->valid_iddir_len,
5423                                 sizeof(softc->ata_iddir)));
5424
5425                 entries_offset =
5426                     __offsetof(struct ata_identify_log_pages,entries);
5427                 max_entries = softc->valid_iddir_len - entries_offset;
5428                 if ((softc->valid_iddir_len > (entries_offset + 1))
5429                  && (le64dec(softc->ata_iddir.header) == ATA_IDLOG_REVISION)
5430                  && (softc->ata_iddir.entry_count > 0)) {
5431                         int num_entries, i;
5432
5433                         num_entries = softc->ata_iddir.entry_count;
5434                         num_entries = min(num_entries,
5435                            softc->valid_iddir_len - entries_offset);
5436                         for (i = 0; i < num_entries && i < max_entries; i++) {
5437                                 if (softc->ata_iddir.entries[i] ==
5438                                     ATA_IDL_SUP_CAP)
5439                                         softc->flags |= DA_FLAG_CAN_ATA_SUPCAP;
5440                                 else if (softc->ata_iddir.entries[i] ==
5441                                          ATA_IDL_ZDI)
5442                                         softc->flags |= DA_FLAG_CAN_ATA_ZONE;
5443
5444                                 if ((softc->flags & DA_FLAG_CAN_ATA_SUPCAP)
5445                                  && (softc->flags & DA_FLAG_CAN_ATA_ZONE))
5446                                         break;
5447                         }
5448                 }
5449         } else {
5450                 error = daerror(done_ccb, CAM_RETRY_SELTO,
5451                                 SF_RETRY_UA|SF_NO_PRINT);
5452                 if (error == ERESTART)
5453                         return;
5454                 else if (error != 0) {
5455                         /*
5456                          * If we can't get the ATA Identify Data log
5457                          * directory, then it effectively isn't
5458                          * supported even if the ATA Log directory
5459                          * a non-zero number of pages present for
5460                          * this log.
5461                          */
5462                         softc->flags &= ~DA_FLAG_CAN_ATA_IDLOG;
5463                         if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
5464                                 /* Don't wedge this device's queue */
5465                                 cam_release_devq(done_ccb->ccb_h.path,
5466                                                  /*relsim_flags*/0,
5467                                                  /*reduction*/0,
5468                                                  /*timeout*/0,
5469                                                  /*getcount_only*/0);
5470                         }
5471                 }
5472         }
5473
5474         free(csio->data_ptr, M_SCSIDA);
5475
5476         if ((error == 0) && (softc->flags & DA_FLAG_CAN_ATA_SUPCAP)) {
5477                 softc->state = DA_STATE_PROBE_ATA_SUP;
5478                 xpt_release_ccb(done_ccb);
5479                 xpt_schedule(periph, priority);
5480                 return;
5481         }
5482         daprobedone(periph, done_ccb);
5483         return;
5484 }
5485
5486 static void
5487 dadone_probeatasup(struct cam_periph *periph, union ccb *done_ccb)
5488 {
5489         struct da_softc *softc;
5490         struct ccb_scsiio *csio;
5491         u_int32_t  priority;
5492         int error;
5493
5494         CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone_probeatasup\n"));
5495
5496         softc = (struct da_softc *)periph->softc;
5497         priority = done_ccb->ccb_h.pinfo.priority;
5498         csio = &done_ccb->csio;
5499
5500         cam_periph_assert(periph, MA_OWNED);
5501
5502         if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
5503                 uint32_t valid_len;
5504                 size_t needed_size;
5505                 struct ata_identify_log_sup_cap *sup_cap;
5506                 error = 0;
5507
5508                 sup_cap = (struct ata_identify_log_sup_cap *)csio->data_ptr;
5509                 valid_len = csio->dxfer_len - csio->resid;
5510                 needed_size = __offsetof(struct ata_identify_log_sup_cap,
5511                     sup_zac_cap) + 1 + sizeof(sup_cap->sup_zac_cap);
5512                 if (valid_len >= needed_size) {
5513                         uint64_t zoned, zac_cap;
5514
5515                         zoned = le64dec(sup_cap->zoned_cap);
5516                         if (zoned & ATA_ZONED_VALID) {
5517                                 /*
5518                                  * This should have already been
5519                                  * set, because this is also in the
5520                                  * ATA identify data.
5521                                  */
5522                                 if ((zoned & ATA_ZONED_MASK) ==
5523                                     ATA_SUPPORT_ZONE_HOST_AWARE)
5524                                         softc->zone_mode = DA_ZONE_HOST_AWARE;
5525                                 else if ((zoned & ATA_ZONED_MASK) ==
5526                                     ATA_SUPPORT_ZONE_DEV_MANAGED)
5527                                         softc->zone_mode =
5528                                             DA_ZONE_DRIVE_MANAGED;
5529                         }
5530
5531                         zac_cap = le64dec(sup_cap->sup_zac_cap);
5532                         if (zac_cap & ATA_SUP_ZAC_CAP_VALID) {
5533                                 if (zac_cap & ATA_REPORT_ZONES_SUP)
5534                                         softc->zone_flags |=
5535                                             DA_ZONE_FLAG_RZ_SUP;
5536                                 if (zac_cap & ATA_ND_OPEN_ZONE_SUP)
5537                                         softc->zone_flags |=
5538                                             DA_ZONE_FLAG_OPEN_SUP;
5539                                 if (zac_cap & ATA_ND_CLOSE_ZONE_SUP)
5540                                         softc->zone_flags |=
5541                                             DA_ZONE_FLAG_CLOSE_SUP;
5542                                 if (zac_cap & ATA_ND_FINISH_ZONE_SUP)
5543                                         softc->zone_flags |=
5544                                             DA_ZONE_FLAG_FINISH_SUP;
5545                                 if (zac_cap & ATA_ND_RWP_SUP)
5546                                         softc->zone_flags |=
5547                                             DA_ZONE_FLAG_RWP_SUP;
5548                         } else {
5549                                 /*
5550                                  * This field was introduced in
5551                                  * ACS-4, r08 on April 28th, 2015.
5552                                  * If the drive firmware was written
5553                                  * to an earlier spec, it won't have
5554                                  * the field.  So, assume all
5555                                  * commands are supported.
5556                                  */
5557                                 softc->zone_flags |= DA_ZONE_FLAG_SUP_MASK;
5558                         }
5559                 }
5560         } else {
5561                 error = daerror(done_ccb, CAM_RETRY_SELTO,
5562                                 SF_RETRY_UA|SF_NO_PRINT);
5563                 if (error == ERESTART)
5564                         return;
5565                 else if (error != 0) {
5566                         /*
5567                          * If we can't get the ATA Identify Data
5568                          * Supported Capabilities page, clear the
5569                          * flag...
5570                          */
5571                         softc->flags &= ~DA_FLAG_CAN_ATA_SUPCAP;
5572                         /*
5573                          * And clear zone capabilities.
5574                          */
5575                         softc->zone_flags &= ~DA_ZONE_FLAG_SUP_MASK;
5576                         if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
5577                                 /* Don't wedge this device's queue */
5578                                 cam_release_devq(done_ccb->ccb_h.path,
5579                                                  /*relsim_flags*/0,
5580                                                  /*reduction*/0,
5581                                                  /*timeout*/0,
5582                                                  /*getcount_only*/0);
5583                         }
5584                 }
5585         }
5586
5587         free(csio->data_ptr, M_SCSIDA);
5588
5589         if ((error == 0) && (softc->flags & DA_FLAG_CAN_ATA_ZONE)) {
5590                 softc->state = DA_STATE_PROBE_ATA_ZONE;
5591                 xpt_release_ccb(done_ccb);
5592                 xpt_schedule(periph, priority);
5593                 return;
5594         }
5595         daprobedone(periph, done_ccb);
5596         return;
5597 }
5598
5599 static void
5600 dadone_probeatazone(struct cam_periph *periph, union ccb *done_ccb)
5601 {
5602         struct da_softc *softc;
5603         struct ccb_scsiio *csio;
5604         int error;
5605
5606         CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone_probeatazone\n"));
5607
5608         softc = (struct da_softc *)periph->softc;
5609         csio = &done_ccb->csio;
5610
5611         cam_periph_assert(periph, MA_OWNED);
5612
5613         if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
5614                 struct ata_zoned_info_log *zi_log;
5615                 uint32_t valid_len;
5616                 size_t needed_size;
5617
5618                 zi_log = (struct ata_zoned_info_log *)csio->data_ptr;
5619
5620                 valid_len = csio->dxfer_len - csio->resid;
5621                 needed_size = __offsetof(struct ata_zoned_info_log,
5622                     version_info) + 1 + sizeof(zi_log->version_info);
5623                 if (valid_len >= needed_size) {
5624                         uint64_t tmpvar;
5625
5626                         tmpvar = le64dec(zi_log->zoned_cap);
5627                         if (tmpvar & ATA_ZDI_CAP_VALID) {
5628                                 if (tmpvar & ATA_ZDI_CAP_URSWRZ)
5629                                         softc->zone_flags |=
5630                                             DA_ZONE_FLAG_URSWRZ;
5631                                 else
5632                                         softc->zone_flags &=
5633                                             ~DA_ZONE_FLAG_URSWRZ;
5634                         }
5635                         tmpvar = le64dec(zi_log->optimal_seq_zones);
5636                         if (tmpvar & ATA_ZDI_OPT_SEQ_VALID) {
5637                                 softc->zone_flags |= DA_ZONE_FLAG_OPT_SEQ_SET;
5638                                 softc->optimal_seq_zones = (tmpvar &
5639                                     ATA_ZDI_OPT_SEQ_MASK);
5640                         } else {
5641                                 softc->zone_flags &= ~DA_ZONE_FLAG_OPT_SEQ_SET;
5642                                 softc->optimal_seq_zones = 0;
5643                         }
5644
5645                         tmpvar =le64dec(zi_log->optimal_nonseq_zones);
5646                         if (tmpvar & ATA_ZDI_OPT_NS_VALID) {
5647                                 softc->zone_flags |=
5648                                     DA_ZONE_FLAG_OPT_NONSEQ_SET;
5649                                 softc->optimal_nonseq_zones =
5650                                     (tmpvar & ATA_ZDI_OPT_NS_MASK);
5651                         } else {
5652                                 softc->zone_flags &=
5653                                     ~DA_ZONE_FLAG_OPT_NONSEQ_SET;
5654                                 softc->optimal_nonseq_zones = 0;
5655                         }
5656
5657                         tmpvar = le64dec(zi_log->max_seq_req_zones);
5658                         if (tmpvar & ATA_ZDI_MAX_SEQ_VALID) {
5659                                 softc->zone_flags |= DA_ZONE_FLAG_MAX_SEQ_SET;
5660                                 softc->max_seq_zones =
5661                                     (tmpvar & ATA_ZDI_MAX_SEQ_MASK);
5662                         } else {
5663                                 softc->zone_flags &= ~DA_ZONE_FLAG_MAX_SEQ_SET;
5664                                 softc->max_seq_zones = 0;
5665                         }
5666                 }
5667         } else {
5668                 error = daerror(done_ccb, CAM_RETRY_SELTO,
5669                                 SF_RETRY_UA|SF_NO_PRINT);
5670                 if (error == ERESTART)
5671                         return;
5672                 else if (error != 0) {
5673                         softc->flags &= ~DA_FLAG_CAN_ATA_ZONE;
5674                         softc->flags &= ~DA_ZONE_FLAG_SET_MASK;
5675
5676                         if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
5677                                 /* Don't wedge this device's queue */
5678                                 cam_release_devq(done_ccb->ccb_h.path,
5679                                                  /*relsim_flags*/0,
5680                                                  /*reduction*/0,
5681                                                  /*timeout*/0,
5682                                                  /*getcount_only*/0);
5683                         }
5684                 }
5685
5686         }
5687
5688         free(csio->data_ptr, M_SCSIDA);
5689
5690         daprobedone(periph, done_ccb);
5691         return;
5692 }
5693
5694 static void
5695 dadone_probezone(struct cam_periph *periph, union ccb *done_ccb)
5696 {
5697         struct da_softc *softc;
5698         struct ccb_scsiio *csio;
5699         int error;
5700
5701         CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone_probezone\n"));
5702
5703         softc = (struct da_softc *)periph->softc;
5704         csio = &done_ccb->csio;
5705
5706         cam_periph_assert(periph, MA_OWNED);
5707
5708         if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
5709                 uint32_t valid_len;
5710                 size_t needed_len;
5711                 struct scsi_vpd_zoned_bdc *zoned_bdc;
5712
5713                 error = 0;
5714                 zoned_bdc = (struct scsi_vpd_zoned_bdc *)csio->data_ptr;
5715                 valid_len = csio->dxfer_len - csio->resid;
5716                 needed_len = __offsetof(struct scsi_vpd_zoned_bdc,
5717                     max_seq_req_zones) + 1 +
5718                     sizeof(zoned_bdc->max_seq_req_zones);
5719                 if ((valid_len >= needed_len)
5720                  && (scsi_2btoul(zoned_bdc->page_length) >= SVPD_ZBDC_PL)) {
5721                         if (zoned_bdc->flags & SVPD_ZBDC_URSWRZ)
5722                                 softc->zone_flags |= DA_ZONE_FLAG_URSWRZ;
5723                         else
5724                                 softc->zone_flags &= ~DA_ZONE_FLAG_URSWRZ;
5725                         softc->optimal_seq_zones =
5726                             scsi_4btoul(zoned_bdc->optimal_seq_zones);
5727                         softc->zone_flags |= DA_ZONE_FLAG_OPT_SEQ_SET;
5728                         softc->optimal_nonseq_zones = scsi_4btoul(
5729                             zoned_bdc->optimal_nonseq_zones);
5730                         softc->zone_flags |= DA_ZONE_FLAG_OPT_NONSEQ_SET;
5731                         softc->max_seq_zones =
5732                             scsi_4btoul(zoned_bdc->max_seq_req_zones);
5733                         softc->zone_flags |= DA_ZONE_FLAG_MAX_SEQ_SET;
5734                 }
5735                 /*
5736                  * All of the zone commands are mandatory for SCSI
5737                  * devices.
5738                  *
5739                  * XXX KDM this is valid as of September 2015.
5740                  * Re-check this assumption once the SAT spec is
5741                  * updated to support SCSI ZBC to ATA ZAC mapping.
5742                  * Since ATA allows zone commands to be reported
5743                  * as supported or not, this may not necessarily
5744                  * be true for an ATA device behind a SAT (SCSI to
5745                  * ATA Translation) layer.
5746                  */
5747                 softc->zone_flags |= DA_ZONE_FLAG_SUP_MASK;
5748         } else {
5749                 error = daerror(done_ccb, CAM_RETRY_SELTO,
5750                                 SF_RETRY_UA|SF_NO_PRINT);
5751                 if (error == ERESTART)
5752                         return;
5753                 else if (error != 0) {
5754                         if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
5755                                 /* Don't wedge this device's queue */
5756                                 cam_release_devq(done_ccb->ccb_h.path,
5757                                                  /*relsim_flags*/0,
5758                                                  /*reduction*/0,
5759                                                  /*timeout*/0,
5760                                                  /*getcount_only*/0);
5761                         }
5762                 }
5763         }
5764
5765         free(csio->data_ptr, M_SCSIDA);
5766
5767         daprobedone(periph, done_ccb);
5768         return;
5769 }
5770
5771 static void
5772 dadone_tur(struct cam_periph *periph, union ccb *done_ccb)
5773 {
5774         struct da_softc *softc;
5775         struct ccb_scsiio *csio;
5776
5777         CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone_tur\n"));
5778
5779         softc = (struct da_softc *)periph->softc;
5780         csio = &done_ccb->csio;
5781
5782         cam_periph_assert(periph, MA_OWNED);
5783
5784         if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
5785
5786                 if (daerror(done_ccb, CAM_RETRY_SELTO,
5787                     SF_RETRY_UA | SF_NO_RECOVERY | SF_NO_PRINT) == ERESTART)
5788                         return; /* Will complete again, keep reference */
5789                 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
5790                         cam_release_devq(done_ccb->ccb_h.path,
5791                                          /*relsim_flags*/0,
5792                                          /*reduction*/0,
5793                                          /*timeout*/0,
5794                                          /*getcount_only*/0);
5795         }
5796         xpt_release_ccb(done_ccb);
5797         softc->flags &= ~DA_FLAG_TUR_PENDING;
5798         da_periph_release_locked(periph, DA_REF_TUR);
5799         return;
5800 }
5801
5802 static void
5803 dareprobe(struct cam_periph *periph)
5804 {
5805         struct da_softc   *softc;
5806         int status;
5807
5808         softc = (struct da_softc *)periph->softc;
5809
5810         /* Probe in progress; don't interfere. */
5811         if (softc->state != DA_STATE_NORMAL)
5812                 return;
5813
5814         status = da_periph_acquire(periph, DA_REF_REPROBE);
5815         KASSERT(status == 0, ("dareprobe: cam_periph_acquire failed"));
5816
5817         softc->state = DA_STATE_PROBE_WP;
5818         xpt_schedule(periph, CAM_PRIORITY_DEV);
5819 }
5820
5821 static int
5822 daerror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags)
5823 {
5824         struct da_softc   *softc;
5825         struct cam_periph *periph;
5826         int error, error_code, sense_key, asc, ascq;
5827
5828 #if defined(BUF_TRACKING) || defined(FULL_BUF_TRACKING)
5829         if (ccb->csio.bio != NULL)
5830                 biotrack(ccb->csio.bio, __func__);
5831 #endif
5832
5833         periph = xpt_path_periph(ccb->ccb_h.path);
5834         softc = (struct da_softc *)periph->softc;
5835
5836         cam_periph_assert(periph, MA_OWNED);
5837
5838         /*
5839          * Automatically detect devices that do not support
5840          * READ(6)/WRITE(6) and upgrade to using 10 byte cdbs.
5841          */
5842         error = 0;
5843         if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INVALID) {
5844                 error = cmd6workaround(ccb);
5845         } else if (scsi_extract_sense_ccb(ccb,
5846             &error_code, &sense_key, &asc, &ascq)) {
5847                 if (sense_key == SSD_KEY_ILLEGAL_REQUEST)
5848                         error = cmd6workaround(ccb);
5849                 /*
5850                  * If the target replied with CAPACITY DATA HAS CHANGED UA,
5851                  * query the capacity and notify upper layers.
5852                  */
5853                 else if (sense_key == SSD_KEY_UNIT_ATTENTION &&
5854                     asc == 0x2A && ascq == 0x09) {
5855                         xpt_print(periph->path, "Capacity data has changed\n");
5856                         softc->flags &= ~DA_FLAG_PROBED;
5857                         dareprobe(periph);
5858                         sense_flags |= SF_NO_PRINT;
5859                 } else if (sense_key == SSD_KEY_UNIT_ATTENTION &&
5860                     asc == 0x28 && ascq == 0x00) {
5861                         softc->flags &= ~DA_FLAG_PROBED;
5862                         disk_media_changed(softc->disk, M_NOWAIT);
5863                 } else if (sense_key == SSD_KEY_UNIT_ATTENTION &&
5864                     asc == 0x3F && ascq == 0x03) {
5865                         xpt_print(periph->path, "INQUIRY data has changed\n");
5866                         softc->flags &= ~DA_FLAG_PROBED;
5867                         dareprobe(periph);
5868                         sense_flags |= SF_NO_PRINT;
5869                 } else if (sense_key == SSD_KEY_NOT_READY &&
5870                     asc == 0x3a && (softc->flags & DA_FLAG_PACK_INVALID) == 0) {
5871                         softc->flags |= DA_FLAG_PACK_INVALID;
5872                         disk_media_gone(softc->disk, M_NOWAIT);
5873                 }
5874         }
5875         if (error == ERESTART)
5876                 return (ERESTART);
5877
5878 #ifdef CAM_IO_STATS
5879         switch (ccb->ccb_h.status & CAM_STATUS_MASK) {
5880         case CAM_CMD_TIMEOUT:
5881                 softc->timeouts++;
5882                 break;
5883         case CAM_REQ_ABORTED:
5884         case CAM_REQ_CMP_ERR:
5885         case CAM_REQ_TERMIO:
5886         case CAM_UNREC_HBA_ERROR:
5887         case CAM_DATA_RUN_ERR:
5888                 softc->errors++;
5889                 break;
5890         default:
5891                 break;
5892         }
5893 #endif
5894
5895         /*
5896          * XXX
5897          * Until we have a better way of doing pack validation,
5898          * don't treat UAs as errors.
5899          */
5900         sense_flags |= SF_RETRY_UA;
5901
5902         if (softc->quirks & DA_Q_RETRY_BUSY)
5903                 sense_flags |= SF_RETRY_BUSY;
5904         return(cam_periph_error(ccb, cam_flags, sense_flags));
5905 }
5906
5907 static void
5908 damediapoll(void *arg)
5909 {
5910         struct cam_periph *periph = arg;
5911         struct da_softc *softc = periph->softc;
5912
5913         if (!cam_iosched_has_work_flags(softc->cam_iosched, DA_WORK_TUR) &&
5914             (softc->flags & DA_FLAG_TUR_PENDING) == 0 &&
5915             LIST_EMPTY(&softc->pending_ccbs)) {
5916                 if (da_periph_acquire(periph, DA_REF_TUR) == 0) {
5917                         cam_iosched_set_work_flags(softc->cam_iosched, DA_WORK_TUR);
5918                         daschedule(periph);
5919                 }
5920         }
5921         /* Queue us up again */
5922         if (da_poll_period != 0)
5923                 callout_schedule(&softc->mediapoll_c, da_poll_period * hz);
5924 }
5925
5926 static void
5927 daprevent(struct cam_periph *periph, int action)
5928 {
5929         struct  da_softc *softc;
5930         union   ccb *ccb;
5931         int     error;
5932
5933         cam_periph_assert(periph, MA_OWNED);
5934         softc = (struct da_softc *)periph->softc;
5935
5936         if (((action == PR_ALLOW)
5937           && (softc->flags & DA_FLAG_PACK_LOCKED) == 0)
5938          || ((action == PR_PREVENT)
5939           && (softc->flags & DA_FLAG_PACK_LOCKED) != 0)) {
5940                 return;
5941         }
5942
5943         ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
5944
5945         scsi_prevent(&ccb->csio,
5946                      /*retries*/1,
5947                      /*cbcfp*/NULL,
5948                      MSG_SIMPLE_Q_TAG,
5949                      action,
5950                      SSD_FULL_SIZE,
5951                      5000);
5952
5953         error = cam_periph_runccb(ccb, daerror, CAM_RETRY_SELTO,
5954             SF_RETRY_UA | SF_NO_PRINT, softc->disk->d_devstat);
5955
5956         if (error == 0) {
5957                 if (action == PR_ALLOW)
5958                         softc->flags &= ~DA_FLAG_PACK_LOCKED;
5959                 else
5960                         softc->flags |= DA_FLAG_PACK_LOCKED;
5961         }
5962
5963         xpt_release_ccb(ccb);
5964 }
5965
5966 static void
5967 dasetgeom(struct cam_periph *periph, uint32_t block_len, uint64_t maxsector,
5968           struct scsi_read_capacity_data_long *rcaplong, size_t rcap_len)
5969 {
5970         struct ccb_calc_geometry ccg;
5971         struct da_softc *softc;
5972         struct disk_params *dp;
5973         u_int lbppbe, lalba;
5974         int error;
5975
5976         softc = (struct da_softc *)periph->softc;
5977
5978         dp = &softc->params;
5979         dp->secsize = block_len;
5980         dp->sectors = maxsector + 1;
5981         if (rcaplong != NULL) {
5982                 lbppbe = rcaplong->prot_lbppbe & SRC16_LBPPBE;
5983                 lalba = scsi_2btoul(rcaplong->lalba_lbp);
5984                 lalba &= SRC16_LALBA_A;
5985         } else {
5986                 lbppbe = 0;
5987                 lalba = 0;
5988         }
5989
5990         if (lbppbe > 0) {
5991                 dp->stripesize = block_len << lbppbe;
5992                 dp->stripeoffset = (dp->stripesize - block_len * lalba) %
5993                     dp->stripesize;
5994         } else if (softc->quirks & DA_Q_4K) {
5995                 dp->stripesize = 4096;
5996                 dp->stripeoffset = 0;
5997         } else if (softc->unmap_gran != 0) {
5998                 dp->stripesize = block_len * softc->unmap_gran;
5999                 dp->stripeoffset = (dp->stripesize - block_len *
6000                     softc->unmap_gran_align) % dp->stripesize;
6001         } else {
6002                 dp->stripesize = 0;
6003                 dp->stripeoffset = 0;
6004         }
6005         /*
6006          * Have the controller provide us with a geometry
6007          * for this disk.  The only time the geometry
6008          * matters is when we boot and the controller
6009          * is the only one knowledgeable enough to come
6010          * up with something that will make this a bootable
6011          * device.
6012          */
6013         xpt_setup_ccb(&ccg.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
6014         ccg.ccb_h.func_code = XPT_CALC_GEOMETRY;
6015         ccg.block_size = dp->secsize;
6016         ccg.volume_size = dp->sectors;
6017         ccg.heads = 0;
6018         ccg.secs_per_track = 0;
6019         ccg.cylinders = 0;
6020         xpt_action((union ccb*)&ccg);
6021         if ((ccg.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
6022                 /*
6023                  * We don't know what went wrong here- but just pick
6024                  * a geometry so we don't have nasty things like divide
6025                  * by zero.
6026                  */
6027                 dp->heads = 255;
6028                 dp->secs_per_track = 255;
6029                 dp->cylinders = dp->sectors / (255 * 255);
6030                 if (dp->cylinders == 0) {
6031                         dp->cylinders = 1;
6032                 }
6033         } else {
6034                 dp->heads = ccg.heads;
6035                 dp->secs_per_track = ccg.secs_per_track;
6036                 dp->cylinders = ccg.cylinders;
6037         }
6038
6039         /*
6040          * If the user supplied a read capacity buffer, and if it is
6041          * different than the previous buffer, update the data in the EDT.
6042          * If it's the same, we don't bother.  This avoids sending an
6043          * update every time someone opens this device.
6044          */
6045         if ((rcaplong != NULL)
6046          && (bcmp(rcaplong, &softc->rcaplong,
6047                   min(sizeof(softc->rcaplong), rcap_len)) != 0)) {
6048                 struct ccb_dev_advinfo cdai;
6049
6050                 xpt_setup_ccb(&cdai.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
6051                 cdai.ccb_h.func_code = XPT_DEV_ADVINFO;
6052                 cdai.buftype = CDAI_TYPE_RCAPLONG;
6053                 cdai.flags = CDAI_FLAG_STORE;
6054                 cdai.bufsiz = rcap_len;
6055                 cdai.buf = (uint8_t *)rcaplong;
6056                 xpt_action((union ccb *)&cdai);
6057                 if ((cdai.ccb_h.status & CAM_DEV_QFRZN) != 0)
6058                         cam_release_devq(cdai.ccb_h.path, 0, 0, 0, FALSE);
6059                 if (cdai.ccb_h.status != CAM_REQ_CMP) {
6060                         xpt_print(periph->path, "%s: failed to set read "
6061                                   "capacity advinfo\n", __func__);
6062                         /* Use cam_error_print() to decode the status */
6063                         cam_error_print((union ccb *)&cdai, CAM_ESF_CAM_STATUS,
6064                                         CAM_EPF_ALL);
6065                 } else {
6066                         bcopy(rcaplong, &softc->rcaplong,
6067                               min(sizeof(softc->rcaplong), rcap_len));
6068                 }
6069         }
6070
6071         softc->disk->d_sectorsize = softc->params.secsize;
6072         softc->disk->d_mediasize = softc->params.secsize * (off_t)softc->params.sectors;
6073         softc->disk->d_stripesize = softc->params.stripesize;
6074         softc->disk->d_stripeoffset = softc->params.stripeoffset;
6075         /* XXX: these are not actually "firmware" values, so they may be wrong */
6076         softc->disk->d_fwsectors = softc->params.secs_per_track;
6077         softc->disk->d_fwheads = softc->params.heads;
6078         softc->disk->d_devstat->block_size = softc->params.secsize;
6079         softc->disk->d_devstat->flags &= ~DEVSTAT_BS_UNAVAILABLE;
6080
6081         error = disk_resize(softc->disk, M_NOWAIT);
6082         if (error != 0)
6083                 xpt_print(periph->path, "disk_resize(9) failed, error = %d\n", error);
6084 }
6085
6086 static void
6087 dasendorderedtag(void *arg)
6088 {
6089         struct cam_periph *periph = arg;
6090         struct da_softc *softc = periph->softc;
6091
6092         cam_periph_assert(periph, MA_OWNED);
6093         if (da_send_ordered) {
6094                 if (!LIST_EMPTY(&softc->pending_ccbs)) {
6095                         if ((softc->flags & DA_FLAG_WAS_OTAG) == 0)
6096                                 softc->flags |= DA_FLAG_NEED_OTAG;
6097                         softc->flags &= ~DA_FLAG_WAS_OTAG;
6098                 }
6099         }
6100
6101         /* Queue us up again */
6102         callout_reset(&softc->sendordered_c,
6103             (da_default_timeout * hz) / DA_ORDEREDTAG_INTERVAL,
6104             dasendorderedtag, periph);
6105 }
6106
6107 /*
6108  * Step through all DA peripheral drivers, and if the device is still open,
6109  * sync the disk cache to physical media.
6110  */
6111 static void
6112 dashutdown(void * arg, int howto)
6113 {
6114         struct cam_periph *periph;
6115         struct da_softc *softc;
6116         union ccb *ccb;
6117         int error;
6118
6119         CAM_PERIPH_FOREACH(periph, &dadriver) {
6120                 softc = (struct da_softc *)periph->softc;
6121                 if (SCHEDULER_STOPPED()) {
6122                         /* If we paniced with the lock held, do not recurse. */
6123                         if (!cam_periph_owned(periph) &&
6124                             (softc->flags & DA_FLAG_OPEN)) {
6125                                 dadump(softc->disk, NULL, 0, 0, 0);
6126                         }
6127                         continue;
6128                 }
6129                 cam_periph_lock(periph);
6130
6131                 /*
6132                  * We only sync the cache if the drive is still open, and
6133                  * if the drive is capable of it..
6134                  */
6135                 if (((softc->flags & DA_FLAG_OPEN) == 0)
6136                  || (softc->quirks & DA_Q_NO_SYNC_CACHE)) {
6137                         cam_periph_unlock(periph);
6138                         continue;
6139                 }
6140
6141                 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
6142                 scsi_synchronize_cache(&ccb->csio,
6143                                        /*retries*/0,
6144                                        /*cbfcnp*/NULL,
6145                                        MSG_SIMPLE_Q_TAG,
6146                                        /*begin_lba*/0, /* whole disk */
6147                                        /*lb_count*/0,
6148                                        SSD_FULL_SIZE,
6149                                        60 * 60 * 1000);
6150
6151                 error = cam_periph_runccb(ccb, daerror, /*cam_flags*/0,
6152                     /*sense_flags*/ SF_NO_RECOVERY | SF_NO_RETRY | SF_QUIET_IR,
6153                     softc->disk->d_devstat);
6154                 if (error != 0)
6155                         xpt_print(periph->path, "Synchronize cache failed\n");
6156                 xpt_release_ccb(ccb);
6157                 cam_periph_unlock(periph);
6158         }
6159 }
6160
6161 #else /* !_KERNEL */
6162
6163 /*
6164  * XXX These are only left out of the kernel build to silence warnings.  If,
6165  * for some reason these functions are used in the kernel, the ifdefs should
6166  * be moved so they are included both in the kernel and userland.
6167  */
6168 void
6169 scsi_format_unit(struct ccb_scsiio *csio, u_int32_t retries,
6170                  void (*cbfcnp)(struct cam_periph *, union ccb *),
6171                  u_int8_t tag_action, u_int8_t byte2, u_int16_t ileave,
6172                  u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len,
6173                  u_int32_t timeout)
6174 {
6175         struct scsi_format_unit *scsi_cmd;
6176
6177         scsi_cmd = (struct scsi_format_unit *)&csio->cdb_io.cdb_bytes;
6178         scsi_cmd->opcode = FORMAT_UNIT;
6179         scsi_cmd->byte2 = byte2;
6180         scsi_ulto2b(ileave, scsi_cmd->interleave);
6181
6182         cam_fill_csio(csio,
6183                       retries,
6184                       cbfcnp,
6185                       /*flags*/ (dxfer_len > 0) ? CAM_DIR_OUT : CAM_DIR_NONE,
6186                       tag_action,
6187                       data_ptr,
6188                       dxfer_len,
6189                       sense_len,
6190                       sizeof(*scsi_cmd),
6191                       timeout);
6192 }
6193
6194 void
6195 scsi_read_defects(struct ccb_scsiio *csio, uint32_t retries,
6196                   void (*cbfcnp)(struct cam_periph *, union ccb *),
6197                   uint8_t tag_action, uint8_t list_format,
6198                   uint32_t addr_desc_index, uint8_t *data_ptr,
6199                   uint32_t dxfer_len, int minimum_cmd_size,
6200                   uint8_t sense_len, uint32_t timeout)
6201 {
6202         uint8_t cdb_len;
6203
6204         /*
6205          * These conditions allow using the 10 byte command.  Otherwise we
6206          * need to use the 12 byte command.
6207          */
6208         if ((minimum_cmd_size <= 10)
6209          && (addr_desc_index == 0)
6210          && (dxfer_len <= SRDD10_MAX_LENGTH)) {
6211                 struct scsi_read_defect_data_10 *cdb10;
6212
6213                 cdb10 = (struct scsi_read_defect_data_10 *)
6214                         &csio->cdb_io.cdb_bytes;
6215
6216                 cdb_len = sizeof(*cdb10);
6217                 bzero(cdb10, cdb_len);
6218                 cdb10->opcode = READ_DEFECT_DATA_10;
6219                 cdb10->format = list_format;
6220                 scsi_ulto2b(dxfer_len, cdb10->alloc_length);
6221         } else {
6222                 struct scsi_read_defect_data_12 *cdb12;
6223
6224                 cdb12 = (struct scsi_read_defect_data_12 *)
6225                         &csio->cdb_io.cdb_bytes;
6226
6227                 cdb_len = sizeof(*cdb12);
6228                 bzero(cdb12, cdb_len);
6229                 cdb12->opcode = READ_DEFECT_DATA_12;
6230                 cdb12->format = list_format;
6231                 scsi_ulto4b(dxfer_len, cdb12->alloc_length);
6232                 scsi_ulto4b(addr_desc_index, cdb12->address_descriptor_index);
6233         }
6234
6235         cam_fill_csio(csio,
6236                       retries,
6237                       cbfcnp,
6238                       /*flags*/ CAM_DIR_IN,
6239                       tag_action,
6240                       data_ptr,
6241                       dxfer_len,
6242                       sense_len,
6243                       cdb_len,
6244                       timeout);
6245 }
6246
6247 void
6248 scsi_sanitize(struct ccb_scsiio *csio, u_int32_t retries,
6249               void (*cbfcnp)(struct cam_periph *, union ccb *),
6250               u_int8_t tag_action, u_int8_t byte2, u_int16_t control,
6251               u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len,
6252               u_int32_t timeout)
6253 {
6254         struct scsi_sanitize *scsi_cmd;
6255
6256         scsi_cmd = (struct scsi_sanitize *)&csio->cdb_io.cdb_bytes;
6257         scsi_cmd->opcode = SANITIZE;
6258         scsi_cmd->byte2 = byte2;
6259         scsi_cmd->control = control;
6260         scsi_ulto2b(dxfer_len, scsi_cmd->length);
6261
6262         cam_fill_csio(csio,
6263                       retries,
6264                       cbfcnp,
6265                       /*flags*/ (dxfer_len > 0) ? CAM_DIR_OUT : CAM_DIR_NONE,
6266                       tag_action,
6267                       data_ptr,
6268                       dxfer_len,
6269                       sense_len,
6270                       sizeof(*scsi_cmd),
6271                       timeout);
6272 }
6273
6274 #endif /* _KERNEL */
6275
6276 void
6277 scsi_zbc_out(struct ccb_scsiio *csio, uint32_t retries,
6278              void (*cbfcnp)(struct cam_periph *, union ccb *),
6279              uint8_t tag_action, uint8_t service_action, uint64_t zone_id,
6280              uint8_t zone_flags, uint8_t *data_ptr, uint32_t dxfer_len,
6281              uint8_t sense_len, uint32_t timeout)
6282 {
6283         struct scsi_zbc_out *scsi_cmd;
6284
6285         scsi_cmd = (struct scsi_zbc_out *)&csio->cdb_io.cdb_bytes;
6286         scsi_cmd->opcode = ZBC_OUT;
6287         scsi_cmd->service_action = service_action;
6288         scsi_u64to8b(zone_id, scsi_cmd->zone_id);
6289         scsi_cmd->zone_flags = zone_flags;
6290
6291         cam_fill_csio(csio,
6292                       retries,
6293                       cbfcnp,
6294                       /*flags*/ (dxfer_len > 0) ? CAM_DIR_OUT : CAM_DIR_NONE,
6295                       tag_action,
6296                       data_ptr,
6297                       dxfer_len,
6298                       sense_len,
6299                       sizeof(*scsi_cmd),
6300                       timeout);
6301 }
6302
6303 void
6304 scsi_zbc_in(struct ccb_scsiio *csio, uint32_t retries,
6305             void (*cbfcnp)(struct cam_periph *, union ccb *),
6306             uint8_t tag_action, uint8_t service_action, uint64_t zone_start_lba,
6307             uint8_t zone_options, uint8_t *data_ptr, uint32_t dxfer_len,
6308             uint8_t sense_len, uint32_t timeout)
6309 {
6310         struct scsi_zbc_in *scsi_cmd;
6311
6312         scsi_cmd = (struct scsi_zbc_in *)&csio->cdb_io.cdb_bytes;
6313         scsi_cmd->opcode = ZBC_IN;
6314         scsi_cmd->service_action = service_action;
6315         scsi_ulto4b(dxfer_len, scsi_cmd->length);
6316         scsi_u64to8b(zone_start_lba, scsi_cmd->zone_start_lba);
6317         scsi_cmd->zone_options = zone_options;
6318
6319         cam_fill_csio(csio,
6320                       retries,
6321                       cbfcnp,
6322                       /*flags*/ (dxfer_len > 0) ? CAM_DIR_IN : CAM_DIR_NONE,
6323                       tag_action,
6324                       data_ptr,
6325                       dxfer_len,
6326                       sense_len,
6327                       sizeof(*scsi_cmd),
6328                       timeout);
6329
6330 }
6331
6332 int
6333 scsi_ata_zac_mgmt_out(struct ccb_scsiio *csio, uint32_t retries,
6334                       void (*cbfcnp)(struct cam_periph *, union ccb *),
6335                       uint8_t tag_action, int use_ncq,
6336                       uint8_t zm_action, uint64_t zone_id, uint8_t zone_flags,
6337                       uint8_t *data_ptr, uint32_t dxfer_len,
6338                       uint8_t *cdb_storage, size_t cdb_storage_len,
6339                       uint8_t sense_len, uint32_t timeout)
6340 {
6341         uint8_t command_out, protocol, ata_flags;
6342         uint16_t features_out;
6343         uint32_t sectors_out, auxiliary;
6344         int retval;
6345
6346         retval = 0;
6347
6348         if (use_ncq == 0) {
6349                 command_out = ATA_ZAC_MANAGEMENT_OUT;
6350                 features_out = (zm_action & 0xf) | (zone_flags << 8);
6351                 ata_flags = AP_FLAG_BYT_BLOK_BLOCKS;
6352                 if (dxfer_len == 0) {
6353                         protocol = AP_PROTO_NON_DATA;
6354                         ata_flags |= AP_FLAG_TLEN_NO_DATA;
6355                         sectors_out = 0;
6356                 } else {
6357                         protocol = AP_PROTO_DMA;
6358                         ata_flags |= AP_FLAG_TLEN_SECT_CNT |
6359                                      AP_FLAG_TDIR_TO_DEV;
6360                         sectors_out = ((dxfer_len >> 9) & 0xffff);
6361                 }
6362                 auxiliary = 0;
6363         } else {
6364                 ata_flags = AP_FLAG_BYT_BLOK_BLOCKS;
6365                 if (dxfer_len == 0) {
6366                         command_out = ATA_NCQ_NON_DATA;
6367                         features_out = ATA_NCQ_ZAC_MGMT_OUT;
6368                         /*
6369                          * We're assuming the SCSI to ATA translation layer
6370                          * will set the NCQ tag number in the tag field.
6371                          * That isn't clear from the SAT-4 spec (as of rev 05).
6372                          */
6373                         sectors_out = 0;
6374                         ata_flags |= AP_FLAG_TLEN_NO_DATA;
6375                 } else {
6376                         command_out = ATA_SEND_FPDMA_QUEUED;
6377                         /*
6378                          * Note that we're defaulting to normal priority,
6379                          * and assuming that the SCSI to ATA translation
6380                          * layer will insert the NCQ tag number in the tag
6381                          * field.  That isn't clear in the SAT-4 spec (as
6382                          * of rev 05).
6383                          */
6384                         sectors_out = ATA_SFPDMA_ZAC_MGMT_OUT << 8;
6385
6386                         ata_flags |= AP_FLAG_TLEN_FEAT |
6387                                      AP_FLAG_TDIR_TO_DEV;
6388
6389                         /*
6390                          * For SEND FPDMA QUEUED, the transfer length is
6391                          * encoded in the FEATURE register, and 0 means
6392                          * that 65536 512 byte blocks are to be tranferred.
6393                          * In practice, it seems unlikely that we'll see
6394                          * a transfer that large, and it may confuse the
6395                          * the SAT layer, because generally that means that
6396                          * 0 bytes should be transferred.
6397                          */
6398                         if (dxfer_len == (65536 * 512)) {
6399                                 features_out = 0;
6400                         } else if (dxfer_len <= (65535 * 512)) {
6401                                 features_out = ((dxfer_len >> 9) & 0xffff);
6402                         } else {
6403                                 /* The transfer is too big. */
6404                                 retval = 1;
6405                                 goto bailout;
6406                         }
6407
6408                 }
6409
6410                 auxiliary = (zm_action & 0xf) | (zone_flags << 8);
6411                 protocol = AP_PROTO_FPDMA;
6412         }
6413
6414         protocol |= AP_EXTEND;
6415
6416         retval = scsi_ata_pass(csio,
6417             retries,
6418             cbfcnp,
6419             /*flags*/ (dxfer_len > 0) ? CAM_DIR_OUT : CAM_DIR_NONE,
6420             tag_action,
6421             /*protocol*/ protocol,
6422             /*ata_flags*/ ata_flags,
6423             /*features*/ features_out,
6424             /*sector_count*/ sectors_out,
6425             /*lba*/ zone_id,
6426             /*command*/ command_out,
6427             /*device*/ 0,
6428             /*icc*/ 0,
6429             /*auxiliary*/ auxiliary,
6430             /*control*/ 0,
6431             /*data_ptr*/ data_ptr,
6432             /*dxfer_len*/ dxfer_len,
6433             /*cdb_storage*/ cdb_storage,
6434             /*cdb_storage_len*/ cdb_storage_len,
6435             /*minimum_cmd_size*/ 0,
6436             /*sense_len*/ SSD_FULL_SIZE,
6437             /*timeout*/ timeout);
6438
6439 bailout:
6440
6441         return (retval);
6442 }
6443
6444 int
6445 scsi_ata_zac_mgmt_in(struct ccb_scsiio *csio, uint32_t retries,
6446                      void (*cbfcnp)(struct cam_periph *, union ccb *),
6447                      uint8_t tag_action, int use_ncq,
6448                      uint8_t zm_action, uint64_t zone_id, uint8_t zone_flags,
6449                      uint8_t *data_ptr, uint32_t dxfer_len,
6450                      uint8_t *cdb_storage, size_t cdb_storage_len,
6451                      uint8_t sense_len, uint32_t timeout)
6452 {
6453         uint8_t command_out, protocol;
6454         uint16_t features_out, sectors_out;
6455         uint32_t auxiliary;
6456         int ata_flags;
6457         int retval;
6458
6459         retval = 0;
6460         ata_flags = AP_FLAG_TDIR_FROM_DEV | AP_FLAG_BYT_BLOK_BLOCKS;
6461
6462         if (use_ncq == 0) {
6463                 command_out = ATA_ZAC_MANAGEMENT_IN;
6464                 /* XXX KDM put a macro here */
6465                 features_out = (zm_action & 0xf) | (zone_flags << 8);
6466                 sectors_out = dxfer_len >> 9; /* XXX KDM macro */
6467                 protocol = AP_PROTO_DMA;
6468                 ata_flags |= AP_FLAG_TLEN_SECT_CNT;
6469                 auxiliary = 0;
6470         } else {
6471                 ata_flags |= AP_FLAG_TLEN_FEAT;
6472
6473                 command_out = ATA_RECV_FPDMA_QUEUED;
6474                 sectors_out = ATA_RFPDMA_ZAC_MGMT_IN << 8;
6475
6476                 /*
6477                  * For RECEIVE FPDMA QUEUED, the transfer length is
6478                  * encoded in the FEATURE register, and 0 means
6479                  * that 65536 512 byte blocks are to be tranferred.
6480                  * In practice, it seems unlikely that we'll see
6481                  * a transfer that large, and it may confuse the
6482                  * the SAT layer, because generally that means that
6483                  * 0 bytes should be transferred.
6484                  */
6485                 if (dxfer_len == (65536 * 512)) {
6486                         features_out = 0;
6487                 } else if (dxfer_len <= (65535 * 512)) {
6488                         features_out = ((dxfer_len >> 9) & 0xffff);
6489                 } else {
6490                         /* The transfer is too big. */
6491                         retval = 1;
6492                         goto bailout;
6493                 }
6494                 auxiliary = (zm_action & 0xf) | (zone_flags << 8),
6495                 protocol = AP_PROTO_FPDMA;
6496         }
6497
6498         protocol |= AP_EXTEND;
6499
6500         retval = scsi_ata_pass(csio,
6501             retries,
6502             cbfcnp,
6503             /*flags*/ CAM_DIR_IN,
6504             tag_action,
6505             /*protocol*/ protocol,
6506             /*ata_flags*/ ata_flags,
6507             /*features*/ features_out,
6508             /*sector_count*/ sectors_out,
6509             /*lba*/ zone_id,
6510             /*command*/ command_out,
6511             /*device*/ 0,
6512             /*icc*/ 0,
6513             /*auxiliary*/ auxiliary,
6514             /*control*/ 0,
6515             /*data_ptr*/ data_ptr,
6516             /*dxfer_len*/ (dxfer_len >> 9) * 512, /* XXX KDM */
6517             /*cdb_storage*/ cdb_storage,
6518             /*cdb_storage_len*/ cdb_storage_len,
6519             /*minimum_cmd_size*/ 0,
6520             /*sense_len*/ SSD_FULL_SIZE,
6521             /*timeout*/ timeout);
6522
6523 bailout:
6524         return (retval);
6525 }